^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*******************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * This file is part of the Emulex Linux Device Driver for *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Fibre Channel Host Bus Adapters. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2007-2015 Emulex. All rights reserved. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * EMULEX and SLI are trademarks of Emulex. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * www.broadcom.com *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * This program is free software; you can redistribute it and/or *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * modify it under the terms of version 2 of the GNU General *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Public License as published by the Free Software Foundation. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * TO BE LEGALLY INVALID. See the GNU General Public License for *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * more details, a copy of which can be found in the file COPYING *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * included with this package. *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *******************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/idr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <scsi/scsi_transport_fc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <scsi/fc/fc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "lpfc_hw4.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "lpfc_hw.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include "lpfc_sli.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include "lpfc_sli4.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include "lpfc_nl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include "lpfc_disc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include "lpfc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include "lpfc_scsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include "lpfc_nvme.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include "lpfc_logmsg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include "lpfc_crtn.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #include "lpfc_vport.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #include "lpfc_version.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #include "lpfc_compat.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #include "lpfc_debugfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #include "lpfc_bsg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * debugfs interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * To access this interface the user should:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * # mount -t debugfs none /sys/kernel/debug
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * The lpfc debugfs directory hierarchy is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * /sys/kernel/debug/lpfc/fnX/vportY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * where X is the lpfc hba function unique_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * where Y is the vport VPI on that hba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * Debugging services available per vport:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * discovery_trace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * This is an ACSII readable file that contains a trace of the last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * See lpfc_debugfs.h for different categories of discovery events.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * To enable the discovery trace, the following module parameters must be set:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * EACH vport. X MUST also be a power of 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * lpfc_debugfs.h .
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * slow_ring_trace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * This is an ACSII readable file that contains a trace of the last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * To enable the slow ring trace, the following module parameters must be set:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * the HBA. X MUST also be a power of 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static int lpfc_debugfs_enable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) module_param(lpfc_debugfs_enable, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* This MUST be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static int lpfc_debugfs_max_disc_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) module_param(lpfc_debugfs_max_disc_trc, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) "Set debugfs discovery trace depth");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* This MUST be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static int lpfc_debugfs_max_slow_ring_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) module_param(lpfc_debugfs_max_slow_ring_trc, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) "Set debugfs slow ring trace depth");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* This MUST be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int lpfc_debugfs_max_nvmeio_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) module_param(lpfc_debugfs_max_nvmeio_trc, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) MODULE_PARM_DESC(lpfc_debugfs_max_nvmeio_trc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) "Set debugfs NVME IO trace depth");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static int lpfc_debugfs_mask_disc_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) module_param(lpfc_debugfs_mask_disc_trc, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) "Set debugfs discovery trace mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) static unsigned long lpfc_debugfs_start_time = 0L;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /* iDiag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static struct lpfc_idiag idiag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) * @vport: The vport to gather the log info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * This routine gathers the lpfc discovery debugfs data from the @vport and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * dumps it to @buf up to @size number of bytes. It will start at the next entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * in the log and process the log until the end of the buffer. Then it will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * gather from the beginning of the log and process until the current entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * Discovery logging will be disabled while while this routine dumps the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int i, index, len, enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) uint32_t ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct lpfc_debugfs_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) enable = lpfc_debugfs_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) lpfc_debugfs_enable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) index = (atomic_read(&vport->disc_trc_cnt) + 1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) (lpfc_debugfs_max_disc_trc - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) for (i = index; i < lpfc_debugfs_max_disc_trc; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) dtp = vport->disc_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) snprintf(buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) dtp->seq_cnt, ms, dtp->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) len += scnprintf(buf+len, size-len, buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) for (i = 0; i < index; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) dtp = vport->disc_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) snprintf(buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dtp->seq_cnt, ms, dtp->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) len += scnprintf(buf+len, size-len, buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) lpfc_debugfs_enable = enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * @phba: The HBA to gather the log info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * This routine gathers the lpfc slow ring debugfs data from the @phba and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * dumps it to @buf up to @size number of bytes. It will start at the next entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * in the log and process the log until the end of the buffer. Then it will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * gather from the beginning of the log and process until the current entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * Slow ring logging will be disabled while while this routine dumps the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int i, index, len, enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) uint32_t ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) struct lpfc_debugfs_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) buffer = kmalloc(LPFC_DEBUG_TRC_ENTRY_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) enable = lpfc_debugfs_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) lpfc_debugfs_enable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) (lpfc_debugfs_max_slow_ring_trc - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dtp = phba->slow_ring_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) snprintf(buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) dtp->seq_cnt, ms, dtp->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) len += scnprintf(buf+len, size-len, buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) for (i = 0; i < index; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) dtp = phba->slow_ring_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) ms = jiffies_to_msecs(dtp->jif - lpfc_debugfs_start_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) snprintf(buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) LPFC_DEBUG_TRC_ENTRY_SIZE, "%010d:%010d ms:%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) dtp->seq_cnt, ms, dtp->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) len += scnprintf(buf+len, size-len, buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) lpfc_debugfs_enable = enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static int lpfc_debugfs_last_hbq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * @phba: The HBA to gather host buffer info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * This routine dumps the host buffer queue info from the @phba to @buf up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * @size number of bytes. A header that describes the current hbq state will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * dumped to @buf first and then info on each hbq entry will be dumped to @buf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) * until @size bytes have been dumped or all the hbq info has been dumped.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * This routine will rotate through each configured HBQ each time called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) int i, j, found, posted, low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) uint32_t phys, raw_index, getidx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct lpfc_hbq_init *hip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct hbq_s *hbqs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) struct lpfc_hbq_entry *hbqe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct lpfc_dmabuf *d_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct hbq_dmabuf *hbq_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (phba->sli_rev != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) /* toggle between multiple hbqs, if any */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) i = lpfc_sli_hbq_count();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (i > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) lpfc_debugfs_last_hbq++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (lpfc_debugfs_last_hbq >= i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) lpfc_debugfs_last_hbq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) lpfc_debugfs_last_hbq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) i = lpfc_debugfs_last_hbq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) len += scnprintf(buf+len, size-len, "HBQ %d Info\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) hbqs = &phba->hbqs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) posted = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) posted++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) hip = lpfc_hbq_defs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) "idx:%d prof:%d rn:%d bufcnt:%d icnt:%d acnt:%d posted %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) hip->hbq_index, hip->profile, hip->rn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) hip->buffer_count, hip->init_count, hip->add_count, posted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) raw_index = phba->hbq_get[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) getidx = le32_to_cpu(raw_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) "entries:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) for (j=0; j<hbqs->entry_count; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) "%03d: %08x %04x %05x ", j,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) le32_to_cpu(hbqe->bde.addrLow),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) le32_to_cpu(hbqe->bde.tus.w),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) le32_to_cpu(hbqe->buffer_tag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) /* First calculate if slot has an associated posted buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) low = hbqs->hbqPutIdx - posted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (low >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if ((j >= hbqs->hbqPutIdx) || (j < low)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) "Unused\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) goto skipit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if ((j >= hbqs->hbqPutIdx) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) (j < (hbqs->entry_count+low))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) "Unused\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) goto skipit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) /* Get the Buffer info for the posted buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (phys == le32_to_cpu(hbqe->bde.addrLow)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) "Buf%d: x%px %06x\n", i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) hbq_buf->dbuf.virt, hbq_buf->tag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (!found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) len += scnprintf(buf+len, size-len, "No DMAinfo?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) skipit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) hbqe++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) if (len > LPFC_HBQINFO_SIZE - 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) static int lpfc_debugfs_last_xripool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) * lpfc_debugfs_common_xri_data - Dump Hardware Queue info to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) * @phba: The HBA to gather host buffer info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) * This routine dumps the Hardware Queue info from the @phba to @buf up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) * @size number of bytes. A header that describes the current hdwq state will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) * until @size bytes have been dumped or all the hdwq info has been dumped.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) * This routine will rotate through each configured Hardware Queue each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) * time called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) lpfc_debugfs_commonxripools_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct lpfc_sli4_hdw_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) int i, out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) unsigned long iflag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) if (len > (LPFC_DUMP_MULTIXRIPOOL_SIZE - 80))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_xripool];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) len += scnprintf(buf + len, size - len, "HdwQ %d Info ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) spin_lock_irqsave(&qp->abts_io_buf_list_lock, iflag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) spin_lock(&qp->io_buf_list_get_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) spin_lock(&qp->io_buf_list_put_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) out = qp->total_io_bufs - (qp->get_io_bufs + qp->put_io_bufs +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) qp->abts_scsi_io_bufs + qp->abts_nvme_io_bufs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) "tot:%d get:%d put:%d mt:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) "ABTS scsi:%d nvme:%d Out:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) qp->total_io_bufs, qp->get_io_bufs, qp->put_io_bufs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) qp->empty_io_bufs, qp->abts_scsi_io_bufs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) qp->abts_nvme_io_bufs, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) spin_unlock(&qp->io_buf_list_put_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) spin_unlock(&qp->io_buf_list_get_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) spin_unlock_irqrestore(&qp->abts_io_buf_list_lock, iflag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) lpfc_debugfs_last_xripool++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (lpfc_debugfs_last_xripool >= phba->cfg_hdw_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) lpfc_debugfs_last_xripool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) * lpfc_debugfs_multixripools_data - Display multi-XRI pools information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) * @phba: The HBA to gather host buffer info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) * This routine displays current multi-XRI pools information including XRI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) * count in public, private and txcmplq. It also displays current high and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) * low watermark.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) lpfc_debugfs_multixripools_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) u32 hwq_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) struct lpfc_sli4_hdw_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) struct lpfc_multixri_pool *multixri_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct lpfc_pvt_pool *pvt_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) struct lpfc_pbl_pool *pbl_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) u32 txcmplq_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) char tmp[LPFC_DEBUG_OUT_LINE_SZ] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) if (phba->sli_rev != LPFC_SLI_REV4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (!phba->sli4_hba.hdwq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) if (!phba->cfg_xri_rebalancing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) i = lpfc_debugfs_commonxripools_data(phba, buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) * Pbl: Current number of free XRIs in public pool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) * Pvt: Current number of free XRIs in private pool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * Busy: Current number of outstanding XRIs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) * HWM: Current high watermark
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) * pvt_empty: Incremented by 1 when IO submission fails (no xri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) * pbl_empty: Incremented by 1 when all pbl_pool are empty during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) * IO submission
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) "HWQ: Pbl Pvt Busy HWM | pvt_empty pbl_empty ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) #ifdef LPFC_MXP_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) * MAXH: Max high watermark seen so far
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * above_lmt: Incremented by 1 if xri_owned > xri_limit during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * IO submission
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * below_lmt: Incremented by 1 if xri_owned <= xri_limit during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * IO submission
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) * locPbl_hit: Incremented by 1 if successfully get a batch of XRI from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) * local pbl_pool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) * othPbl_hit: Incremented by 1 if successfully get a batch of XRI from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * other pbl_pool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) "MAXH above_lmt below_lmt locPbl_hit othPbl_hit");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) * sPbl: snapshot of Pbl 15 sec after stat gets cleared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) * sPvt: snapshot of Pvt 15 sec after stat gets cleared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) * sBusy: snapshot of Busy 15 sec after stat gets cleared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) " | sPbl sPvt sBusy");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) return strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) scnprintf(tmp, sizeof(tmp), "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) return strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) hwq_count = phba->cfg_hdw_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) for (i = 0; i < hwq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) qp = &phba->sli4_hba.hdwq[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) multixri_pool = qp->p_multixri_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) if (!multixri_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) pbl_pool = &multixri_pool->pbl_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) pvt_pool = &multixri_pool->pvt_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) "%03d: %4d %4d %4d %4d | %10d %10d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) i, pbl_pool->count, pvt_pool->count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) txcmplq_cnt, pvt_pool->high_watermark,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) qp->empty_io_bufs, multixri_pool->pbl_empty_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) #ifdef LPFC_MXP_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) "%4d %10d %10d %10d %10d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) multixri_pool->stat_max_hwm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) multixri_pool->above_limit_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) multixri_pool->below_limit_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) multixri_pool->local_pbl_hit_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) multixri_pool->other_pbl_hit_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) " | %4d %4d %5d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) multixri_pool->stat_pbl_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) multixri_pool->stat_pvt_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) multixri_pool->stat_busy_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) scnprintf(tmp, sizeof(tmp), "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) return strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) #ifdef LPFC_HDWQ_LOCK_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) static int lpfc_debugfs_last_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) * lpfc_debugfs_lockstat_data - Dump Hardware Queue info to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) * @phba: The HBA to gather host buffer info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) * This routine dumps the Hardware Queue info from the @phba to @buf up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) * @size number of bytes. A header that describes the current hdwq state will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) * dumped to @buf first and then info on each hdwq entry will be dumped to @buf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) * until @size bytes have been dumped or all the hdwq info has been dumped.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) * This routine will rotate through each configured Hardware Queue each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) * time called.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) lpfc_debugfs_lockstat_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct lpfc_sli4_hdw_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (phba->sli_rev != LPFC_SLI_REV4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (!phba->sli4_hba.hdwq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) if (len > (LPFC_HDWQINFO_SIZE - 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) qp = &phba->sli4_hba.hdwq[lpfc_debugfs_last_lock];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) len += scnprintf(buf + len, size - len, "HdwQ %03d Lock ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) if (phba->cfg_xri_rebalancing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) "get_pvt:%d mv_pvt:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) "mv2pub:%d mv2pvt:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) "put_pvt:%d put_pub:%d wq:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) qp->lock_conflict.alloc_pvt_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) qp->lock_conflict.mv_from_pvt_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) qp->lock_conflict.mv_to_pub_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) qp->lock_conflict.mv_to_pvt_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) qp->lock_conflict.free_pvt_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) qp->lock_conflict.free_pub_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) qp->lock_conflict.wq_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) "get:%d put:%d free:%d wq:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) qp->lock_conflict.alloc_xri_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) qp->lock_conflict.alloc_xri_put,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) qp->lock_conflict.free_xri,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) qp->lock_conflict.wq_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) lpfc_debugfs_last_lock++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) if (lpfc_debugfs_last_lock >= phba->cfg_hdw_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) lpfc_debugfs_last_lock = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static int lpfc_debugfs_last_hba_slim_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) * @phba: The HBA to gather SLIM info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) * This routine dumps the current contents of HBA SLIM for the HBA associated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) * Notes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * This routine will only dump up to 1024 bytes of data each time called and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) * should be called multiple times to dump the entire HBA SLIM.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) int i, off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) uint32_t *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) buffer = kmalloc(1024, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) len += scnprintf(buf+len, size-len, "HBA SLIM\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) lpfc_memcpy_from_slim(buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) phba->MBslimaddr + lpfc_debugfs_last_hba_slim_off, 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) ptr = (uint32_t *)&buffer[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) off = lpfc_debugfs_last_hba_slim_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) /* Set it up for the next time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) lpfc_debugfs_last_hba_slim_off += 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) if (lpfc_debugfs_last_hba_slim_off >= 4096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) lpfc_debugfs_last_hba_slim_off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) i = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) while (i > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) *(ptr+5), *(ptr+6), *(ptr+7));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) ptr += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) i -= (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) off += (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) * @phba: The HBA to gather Host SLIM info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) * This routine dumps the current contents of host SLIM for the host associated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) * with @phba to @buf up to @size bytes of data. The dump will contain the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) * Mailbox, PCB, Rings, and Registers that are located in host memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) int i, off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) uint32_t word0, word1, word2, word3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) uint32_t *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) struct lpfc_pgp *pgpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) struct lpfc_sli *psli = &phba->sli;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) struct lpfc_sli_ring *pring;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) len += scnprintf(buf+len, size-len, "SLIM Mailbox\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) ptr = (uint32_t *)phba->slim2p.virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) i = sizeof(MAILBOX_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) while (i > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) *(ptr+5), *(ptr+6), *(ptr+7));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) ptr += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) i -= (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) off += (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) len += scnprintf(buf+len, size-len, "SLIM PCB\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) ptr = (uint32_t *)phba->pcb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) i = sizeof(PCB_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) while (i > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) *(ptr+5), *(ptr+6), *(ptr+7));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) ptr += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) i -= (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) off += (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) if (phba->sli_rev <= LPFC_SLI_REV3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) for (i = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) pgpp = &phba->port_gp[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) pring = &psli->sli3_ring[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) "Ring %d: CMD GetInx:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) "(Max:%d Next:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) "Local:%d flg:x%x) "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) "RSP PutInx:%d Max:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) i, pgpp->cmdGetInx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) pring->sli.sli3.numCiocb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) pring->sli.sli3.next_cmdidx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) pring->sli.sli3.local_getidx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) pring->flag, pgpp->rspPutInx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) pring->sli.sli3.numRiocb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) word0 = readl(phba->HAregaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) word1 = readl(phba->CAregaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) word2 = readl(phba->HSregaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) word3 = readl(phba->HCregaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) len += scnprintf(buf+len, size-len, "HA:%08x CA:%08x HS:%08x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) "HC:%08x\n", word0, word1, word2, word3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) * lpfc_debugfs_nodelist_data - Dump target node list to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) * @vport: The vport to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) * This routine dumps the current target node list associated with @vport to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) * @buf up to @size bytes of data. Each node entry in the dump will contain a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) int i, iocnt, outio, cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) struct lpfc_nodelist *ndlp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) unsigned char *statep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) struct nvme_fc_local_port *localport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) struct nvme_fc_remote_port *nrport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) struct lpfc_nvme_rport *rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) outio = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) len += scnprintf(buf+len, size-len, "\nFCP Nodelist Entries ...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) spin_lock_irq(shost->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) iocnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) if (!cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) "Missing Nodelist Entries\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) cnt--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) switch (ndlp->nlp_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) case NLP_STE_UNUSED_NODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) statep = "UNUSED";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) case NLP_STE_PLOGI_ISSUE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) statep = "PLOGI ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) case NLP_STE_ADISC_ISSUE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) statep = "ADISC ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) case NLP_STE_REG_LOGIN_ISSUE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) statep = "REGLOG";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) case NLP_STE_PRLI_ISSUE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) statep = "PRLI ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) case NLP_STE_LOGO_ISSUE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) statep = "LOGO ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) case NLP_STE_UNMAPPED_NODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) statep = "UNMAP ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) iocnt = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) case NLP_STE_MAPPED_NODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) statep = "MAPPED";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) iocnt = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) case NLP_STE_NPR_NODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) statep = "NPR ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) statep = "UNKNOWN";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) len += scnprintf(buf+len, size-len, "%s DID:x%06x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) statep, ndlp->nlp_DID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) "WWPN x%llx ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) wwn_to_u64(ndlp->nlp_portname.u.wwn));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) len += scnprintf(buf+len, size-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) "WWNN x%llx ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) wwn_to_u64(ndlp->nlp_nodename.u.wwn));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (ndlp->nlp_flag & NLP_RPI_REGISTERED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) len += scnprintf(buf+len, size-len, "RPI:%03d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) ndlp->nlp_rpi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) len += scnprintf(buf+len, size-len, "RPI:none ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) len += scnprintf(buf+len, size-len, "flag:x%08x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) ndlp->nlp_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) if (!ndlp->nlp_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) len += scnprintf(buf+len, size-len, "UNKNOWN_TYPE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) if (ndlp->nlp_type & NLP_FC_NODE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) len += scnprintf(buf+len, size-len, "FC_NODE ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) if (ndlp->nlp_type & NLP_FABRIC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) len += scnprintf(buf+len, size-len, "FABRIC ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) iocnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) if (ndlp->nlp_type & NLP_FCP_TARGET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) len += scnprintf(buf+len, size-len, "FCP_TGT sid:%d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) ndlp->nlp_sid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) if (ndlp->nlp_type & NLP_FCP_INITIATOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) len += scnprintf(buf+len, size-len, "FCP_INITIATOR ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if (ndlp->nlp_type & NLP_NVME_TARGET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) len += scnprintf(buf + len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) size - len, "NVME_TGT sid:%d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) NLP_NO_SID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) if (ndlp->nlp_type & NLP_NVME_INITIATOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) len += scnprintf(buf + len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) size - len, "NVME_INITIATOR ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) len += scnprintf(buf+len, size-len, "usgmap:%x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) ndlp->nlp_usg_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) len += scnprintf(buf+len, size-len, "refcnt:%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) kref_read(&ndlp->kref));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (iocnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) i = atomic_read(&ndlp->cmd_pending);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) " OutIO:x%x Qdepth x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) i, ndlp->cmd_qdepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) outio += i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) len += scnprintf(buf + len, size - len, "defer:%x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) ndlp->nlp_defer_did);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) len += scnprintf(buf+len, size-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) spin_unlock_irq(shost->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) "\nOutstanding IO x%x\n", outio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) if (phba->nvmet_support && phba->targetport && (vport == phba->pport)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) "\nNVME Targetport Entry ...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) /* Port state is only one of two values for now. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) if (phba->targetport->port_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) statep = "REGISTERED";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) statep = "INIT";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) "TGT WWNN x%llx WWPN x%llx State %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) wwn_to_u64(vport->fc_nodename.u.wwn),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) wwn_to_u64(vport->fc_portname.u.wwn),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) statep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) " Targetport DID x%06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) phba->targetport->port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) goto out_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) "\nNVME Lport/Rport Entries ...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) localport = vport->localport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) if (!localport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) goto out_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) spin_lock_irq(shost->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) /* Port state is only one of two values for now. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) if (localport->port_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) statep = "ONLINE";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) statep = "UNKNOWN ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) "Lport DID x%06x PortState %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) localport->port_id, statep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) len += scnprintf(buf + len, size - len, "\tRport List:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) /* local short-hand pointer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) spin_lock(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) rport = lpfc_ndlp_get_nrport(ndlp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) if (rport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) nrport = rport->remoteport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) nrport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) spin_unlock(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) if (!nrport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) /* Port state is only one of two values for now. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) switch (nrport->port_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) case FC_OBJSTATE_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) statep = "ONLINE";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) case FC_OBJSTATE_UNKNOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) statep = "UNKNOWN ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) statep = "UNSUPPORTED";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) /* Tab in to show lport ownership. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) "\t%s Port ID:x%06x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) statep, nrport->port_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) len += scnprintf(buf + len, size - len, "WWPN x%llx ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) nrport->port_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) len += scnprintf(buf + len, size - len, "WWNN x%llx ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) nrport->node_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) /* An NVME rport can have multiple roles. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) "INITIATOR ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) "TARGET ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) "DISCSRVC ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) FC_PORT_ROLE_NVME_TARGET |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) FC_PORT_ROLE_NVME_DISCOVERY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) "UNKNOWN ROLE x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) nrport->port_role);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) /* Terminate the string. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) len += scnprintf(buf + len, size - len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) spin_unlock_irq(shost->host_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) out_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) * lpfc_debugfs_nvmestat_data - Dump target node list to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) * @vport: The vport to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) * This routine dumps the NVME statistics associated with @vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) struct lpfc_nvmet_tgtport *tgtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) struct nvme_fc_local_port *localport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) struct lpfc_fc4_ctrl_stat *cstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) struct lpfc_nvme_lport *lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) uint64_t data1, data2, data3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) uint64_t tot, totin, totout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) int cnt, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) if (phba->nvmet_support) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) if (!phba->targetport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) "\nNVME Targetport Statistics\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) "LS: Rcv %08x Drop %08x Abort %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) atomic_read(&tgtp->rcv_ls_req_in),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) atomic_read(&tgtp->rcv_ls_req_drop),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) atomic_read(&tgtp->xmt_ls_abort));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) if (atomic_read(&tgtp->rcv_ls_req_in) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) atomic_read(&tgtp->rcv_ls_req_out)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) "Rcv LS: in %08x != out %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) atomic_read(&tgtp->rcv_ls_req_in),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) atomic_read(&tgtp->rcv_ls_req_out));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) "LS: Xmt %08x Drop %08x Cmpl %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) atomic_read(&tgtp->xmt_ls_rsp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) atomic_read(&tgtp->xmt_ls_drop),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) atomic_read(&tgtp->xmt_ls_rsp_cmpl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) "LS: RSP Abort %08x xb %08x Err %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) atomic_read(&tgtp->xmt_ls_rsp_aborted),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) atomic_read(&tgtp->xmt_ls_rsp_xb_set),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) atomic_read(&tgtp->xmt_ls_rsp_error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) "FCP: Rcv %08x Defer %08x Release %08x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) "Drop %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) atomic_read(&tgtp->rcv_fcp_cmd_in),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) atomic_read(&tgtp->rcv_fcp_cmd_defer),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) atomic_read(&tgtp->xmt_fcp_release),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) atomic_read(&tgtp->rcv_fcp_cmd_drop));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) atomic_read(&tgtp->rcv_fcp_cmd_out)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) "Rcv FCP: in %08x != out %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) atomic_read(&tgtp->rcv_fcp_cmd_in),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) atomic_read(&tgtp->rcv_fcp_cmd_out));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) "FCP Rsp: read %08x readrsp %08x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) "write %08x rsp %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) atomic_read(&tgtp->xmt_fcp_read),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) atomic_read(&tgtp->xmt_fcp_read_rsp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) atomic_read(&tgtp->xmt_fcp_write),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) atomic_read(&tgtp->xmt_fcp_rsp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) "FCP Rsp Cmpl: %08x err %08x drop %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) atomic_read(&tgtp->xmt_fcp_rsp_cmpl),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) atomic_read(&tgtp->xmt_fcp_rsp_error),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) atomic_read(&tgtp->xmt_fcp_rsp_drop));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) "FCP Rsp Abort: %08x xb %08x xricqe %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) atomic_read(&tgtp->xmt_fcp_rsp_aborted),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) atomic_read(&tgtp->xmt_fcp_rsp_xb_set),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) atomic_read(&tgtp->xmt_fcp_xri_abort_cqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) "ABORT: Xmt %08x Cmpl %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) atomic_read(&tgtp->xmt_fcp_abort),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) atomic_read(&tgtp->xmt_fcp_abort_cmpl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) atomic_read(&tgtp->xmt_abort_sol),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) atomic_read(&tgtp->xmt_abort_unsol),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) atomic_read(&tgtp->xmt_abort_rsp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) atomic_read(&tgtp->xmt_abort_rsp_error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) len += scnprintf(buf + len, size - len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) list_for_each_entry_safe(ctxp, next_ctxp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) if (cnt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) "ABORT: %d ctx entries\n", cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) list_for_each_entry_safe(ctxp, next_ctxp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) &phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) "Entry: oxid %x state %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) "flag %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) ctxp->oxid, ctxp->state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) ctxp->flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) /* Calculate outstanding IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) tot = atomic_read(&tgtp->rcv_fcp_cmd_drop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) tot += atomic_read(&tgtp->xmt_fcp_release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) "IO_CTX: %08x WAIT: cur %08x tot %08x\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) "CTX Outstanding %08llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) phba->sli4_hba.nvmet_xri_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) phba->sli4_hba.nvmet_io_wait_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) phba->sli4_hba.nvmet_io_wait_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) tot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) localport = vport->localport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) if (!localport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) lport = (struct lpfc_nvme_lport *)localport->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) if (!lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) "\nNVME HDWQ Statistics\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) "LS: Xmt %016x Cmpl %016x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) atomic_read(&lport->fc4NvmeLsRequests),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) atomic_read(&lport->fc4NvmeLsCmpls));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) totin = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) totout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) cstat = &phba->sli4_hba.hdwq[i].nvme_cstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) tot = cstat->io_cmpls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) totin += tot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) data1 = cstat->input_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) data2 = cstat->output_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) data3 = cstat->control_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) totout += (data1 + data2 + data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) /* Limit to 32, debugfs display buffer limitation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) if (i >= 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) "HDWQ (%d): Rd %016llx Wr %016llx "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) "IO %016llx ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) i, data1, data2, data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) "Cmpl %016llx OutIO %016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) tot, ((data1 + data2 + data3) - tot));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) "Total FCP Cmpl %016llx Issue %016llx "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) "OutIO %016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) totin, totout, totout - totin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) "LS Xmt Err: Abrt %08x Err %08x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) "Cmpl Err: xb %08x Err %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) atomic_read(&lport->xmt_ls_abort),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) atomic_read(&lport->xmt_ls_err),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) atomic_read(&lport->cmpl_ls_xb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) atomic_read(&lport->cmpl_ls_err));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) "FCP Xmt Err: noxri %06x nondlp %06x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) "qdepth %06x wqerr %06x err %06x Abrt %06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) atomic_read(&lport->xmt_fcp_noxri),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) atomic_read(&lport->xmt_fcp_bad_ndlp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) atomic_read(&lport->xmt_fcp_qdepth),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) atomic_read(&lport->xmt_fcp_wqerr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) atomic_read(&lport->xmt_fcp_err),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) atomic_read(&lport->xmt_fcp_abort));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) "FCP Cmpl Err: xb %08x Err %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) atomic_read(&lport->cmpl_fcp_xb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) atomic_read(&lport->cmpl_fcp_err));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) * lpfc_debugfs_scsistat_data - Dump target node list to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) * @vport: The vport to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) * This routine dumps the SCSI statistics associated with @vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) lpfc_debugfs_scsistat_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) struct lpfc_fc4_ctrl_stat *cstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) u64 data1, data2, data3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) u64 tot, totin, totout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) (phba->sli_rev != LPFC_SLI_REV4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) scnprintf(buf, size, "SCSI HDWQ Statistics\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) totin = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) totout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) cstat = &phba->sli4_hba.hdwq[i].scsi_cstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) tot = cstat->io_cmpls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) totin += tot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) data1 = cstat->input_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) data2 = cstat->output_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) data3 = cstat->control_requests;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) totout += (data1 + data2 + data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) "IO %016llx ", i, data1, data2, data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) tot, ((data1 + data2 + data3) - tot));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) "OutIO %016llx\n", totin, totout, totout - totin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) strlcat(buf, tmp, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) buffer_done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) len = strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) lpfc_io_ktime(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) uint64_t seg1, seg2, seg3, seg4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) uint64_t segsum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) if (!lpfc_cmd->ts_last_cmd ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) !lpfc_cmd->ts_cmd_start ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) !lpfc_cmd->ts_cmd_wqput ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) !lpfc_cmd->ts_isr_cmpl ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) !lpfc_cmd->ts_data_io)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_cmd_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) if (lpfc_cmd->ts_cmd_start < lpfc_cmd->ts_last_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) if (lpfc_cmd->ts_cmd_wqput < lpfc_cmd->ts_cmd_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) if (lpfc_cmd->ts_isr_cmpl < lpfc_cmd->ts_cmd_wqput)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) if (lpfc_cmd->ts_data_io < lpfc_cmd->ts_isr_cmpl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) * Segment 1 - Time from Last FCP command cmpl is handed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) * off to NVME Layer to start of next command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) * Segment 2 - Time from Driver receives a IO cmd start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) * from NVME Layer to WQ put is done on IO cmd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) * Segment 3 - Time from Driver WQ put is done on IO cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) * to MSI-X ISR for IO cmpl.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) * Segment 4 - Time from MSI-X ISR for IO cmpl to when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) * cmpl is handled off to the NVME Layer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) seg1 = lpfc_cmd->ts_cmd_start - lpfc_cmd->ts_last_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) if (seg1 > 5000000) /* 5 ms - for sequential IOs only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) seg1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) /* Calculate times relative to start of IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) seg2 = (lpfc_cmd->ts_cmd_wqput - lpfc_cmd->ts_cmd_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) segsum = seg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) seg3 = lpfc_cmd->ts_isr_cmpl - lpfc_cmd->ts_cmd_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) if (segsum > seg3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) seg3 -= segsum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) segsum += seg3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) seg4 = lpfc_cmd->ts_data_io - lpfc_cmd->ts_cmd_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) if (segsum > seg4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) seg4 -= segsum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) phba->ktime_data_samples++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) phba->ktime_seg1_total += seg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) if (seg1 < phba->ktime_seg1_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) phba->ktime_seg1_min = seg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) else if (seg1 > phba->ktime_seg1_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) phba->ktime_seg1_max = seg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) phba->ktime_seg2_total += seg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) if (seg2 < phba->ktime_seg2_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) phba->ktime_seg2_min = seg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) else if (seg2 > phba->ktime_seg2_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) phba->ktime_seg2_max = seg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) phba->ktime_seg3_total += seg3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) if (seg3 < phba->ktime_seg3_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) phba->ktime_seg3_min = seg3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) else if (seg3 > phba->ktime_seg3_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) phba->ktime_seg3_max = seg3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) phba->ktime_seg4_total += seg4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) if (seg4 < phba->ktime_seg4_min)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) phba->ktime_seg4_min = seg4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) else if (seg4 > phba->ktime_seg4_max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) phba->ktime_seg4_max = seg4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) lpfc_cmd->ts_last_cmd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) lpfc_cmd->ts_cmd_start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) lpfc_cmd->ts_cmd_wqput = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) lpfc_cmd->ts_isr_cmpl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) lpfc_cmd->ts_data_io = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) * lpfc_debugfs_ioktime_data - Dump target node list to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) * @vport: The vport to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) * This routine dumps the NVME statistics associated with @vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) lpfc_debugfs_ioktime_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) if (phba->nvmet_support == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) /* Initiator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) "ktime %s: Total Samples: %lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) (phba->ktime_on ? "Enabled" : "Disabled"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) phba->ktime_data_samples);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) if (phba->ktime_data_samples == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) "Segment 1: Last Cmd cmpl "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) "done -to- Start of next Cmd (in driver)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) div_u64(phba->ktime_seg1_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) phba->ktime_seg1_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) phba->ktime_seg1_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) "Segment 2: Driver start of Cmd "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) "-to- Firmware WQ doorbell\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) div_u64(phba->ktime_seg2_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) phba->ktime_seg2_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) phba->ktime_seg2_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) "Segment 3: Firmware WQ doorbell -to- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) "MSI-X ISR cmpl\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) div_u64(phba->ktime_seg3_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) phba->ktime_seg3_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) phba->ktime_seg3_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) "Segment 4: MSI-X ISR cmpl -to- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) "Cmd cmpl done\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) div_u64(phba->ktime_seg4_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) phba->ktime_seg4_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) phba->ktime_seg4_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) len += scnprintf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) "Total IO avg time: %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) div_u64(phba->ktime_seg1_total +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) phba->ktime_seg2_total +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) phba->ktime_seg3_total +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) phba->ktime_seg4_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) phba->ktime_data_samples));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) /* NVME Target */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) "ktime %s: Total Samples: %lld %lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) (phba->ktime_on ? "Enabled" : "Disabled"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) phba->ktime_data_samples,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) phba->ktime_status_samples);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) if (phba->ktime_data_samples == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) "Segment 1: MSI-X ISR Rcv cmd -to- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) "cmd pass to NVME Layer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) div_u64(phba->ktime_seg1_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) phba->ktime_seg1_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) phba->ktime_seg1_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) "Segment 2: cmd pass to NVME Layer- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) "-to- Driver rcv cmd OP (action)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) div_u64(phba->ktime_seg2_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) phba->ktime_seg2_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) phba->ktime_seg2_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) "Segment 3: Driver rcv cmd OP -to- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) "Firmware WQ doorbell: cmd\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) div_u64(phba->ktime_seg3_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) phba->ktime_seg3_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) phba->ktime_seg3_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) "Segment 4: Firmware WQ doorbell: cmd "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) "-to- MSI-X ISR for cmd cmpl\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) div_u64(phba->ktime_seg4_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) phba->ktime_seg4_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) phba->ktime_seg4_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) "Segment 5: MSI-X ISR for cmd cmpl "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) "-to- NVME layer passed cmd done\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) div_u64(phba->ktime_seg5_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) phba->ktime_seg5_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) phba->ktime_seg5_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) if (phba->ktime_status_samples == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) "Total: cmd received by MSI-X ISR "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) "-to- cmd completed on wire\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) "avg:%08lld min:%08lld "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) "max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) div_u64(phba->ktime_seg10_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) phba->ktime_data_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) phba->ktime_seg10_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) phba->ktime_seg10_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) "Segment 6: NVME layer passed cmd done "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) "-to- Driver rcv rsp status OP\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) div_u64(phba->ktime_seg6_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) phba->ktime_status_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) phba->ktime_seg6_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) phba->ktime_seg6_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) "Segment 7: Driver rcv rsp status OP "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) "-to- Firmware WQ doorbell: status\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) div_u64(phba->ktime_seg7_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) phba->ktime_status_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) phba->ktime_seg7_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) phba->ktime_seg7_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) "Segment 8: Firmware WQ doorbell: status"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) " -to- MSI-X ISR for status cmpl\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) div_u64(phba->ktime_seg8_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) phba->ktime_status_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) phba->ktime_seg8_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) phba->ktime_seg8_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) "Segment 9: MSI-X ISR for status cmpl "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) "-to- NVME layer passed status done\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) div_u64(phba->ktime_seg9_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) phba->ktime_status_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) phba->ktime_seg9_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) phba->ktime_seg9_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) "Total: cmd received by MSI-X ISR -to- "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) "cmd completed on wire\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) len += scnprintf(buf + len, PAGE_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) "avg:%08lld min:%08lld max %08lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) div_u64(phba->ktime_seg10_total,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) phba->ktime_status_samples),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) phba->ktime_seg10_min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) phba->ktime_seg10_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) * lpfc_debugfs_nvmeio_trc_data - Dump NVME IO trace list to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) * @phba: The phba to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) * This routine dumps the NVME IO trace associated with @phba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) lpfc_debugfs_nvmeio_trc_data(struct lpfc_hba *phba, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) struct lpfc_debugfs_nvmeio_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) int i, state, index, skip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) state = phba->nvmeio_trc_on;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) index = (atomic_read(&phba->nvmeio_trc_cnt) + 1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) (phba->nvmeio_trc_size - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) skip = phba->nvmeio_trc_output_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) "%s IO Trace %s: next_idx %d skip %d size %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) (phba->nvmet_support ? "NVME" : "NVMET"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) (state ? "Enabled" : "Disabled"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) index, skip, phba->nvmeio_trc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) if (!phba->nvmeio_trc || state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) /* trace MUST bhe off to continue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) for (i = index; i < phba->nvmeio_trc_size; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) if (skip) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) skip--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) dtp = phba->nvmeio_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) phba->nvmeio_trc_output_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) len += scnprintf(buf + len, size - len, dtp->fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) "Trace Complete\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) "Trace Continue (%d of %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) phba->nvmeio_trc_output_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) phba->nvmeio_trc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) for (i = 0; i < index; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) if (skip) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) skip--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) dtp = phba->nvmeio_trc + i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) phba->nvmeio_trc_output_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) if (!dtp->fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) len += scnprintf(buf + len, size - len, dtp->fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) dtp->data1, dtp->data2, dtp->data3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) if (phba->nvmeio_trc_output_idx >= phba->nvmeio_trc_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) "Trace Complete\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) if (len >= (size - LPFC_DEBUG_OUT_LINE_SZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) "Trace Continue (%d of %d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) phba->nvmeio_trc_output_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) phba->nvmeio_trc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) len += scnprintf(buf + len, size - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) "Trace Done\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) * lpfc_debugfs_hdwqstat_data - Dump I/O stats to a buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) * @vport: The vport to gather target node info from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) * @buf: The buffer to dump log into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) * @size: The maximum amount of data to process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) * This routine dumps the NVME + SCSI statistics associated with @vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) * This routine returns the amount of bytes that were dumped into @buf and will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) * not exceed @size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) lpfc_debugfs_hdwqstat_data(struct lpfc_vport *vport, char *buf, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) struct lpfc_hdwq_stat *c_stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) int i, j, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) uint32_t tot_xmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) uint32_t tot_rcv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) uint32_t tot_cmpl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) scnprintf(tmp, sizeof(tmp), "HDWQ Stats:\n\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) scnprintf(tmp, sizeof(tmp), "(NVME Accounting: %s) ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) (phba->hdwqstat_on &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) (LPFC_CHECK_NVME_IO | LPFC_CHECK_NVMET_IO) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) "Enabled" : "Disabled"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) scnprintf(tmp, sizeof(tmp), "(SCSI Accounting: %s) ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) (phba->hdwqstat_on & LPFC_CHECK_SCSI_IO ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) "Enabled" : "Disabled"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) scnprintf(tmp, sizeof(tmp), "\n\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) tot_rcv = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) tot_xmt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) tot_cmpl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) for_each_present_cpu(j) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) /* Only display for this HDWQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) if (i != c_stat->hdwq_no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) /* Only display non-zero counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) if (!c_stat->xmt_io && !c_stat->cmpl_io &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) !c_stat->rcv_io)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) if (!tot_xmt && !tot_cmpl && !tot_rcv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) /* Print HDWQ string only the first time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) scnprintf(tmp, sizeof(tmp), "[HDWQ %d]:\t", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) tot_xmt += c_stat->xmt_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) tot_cmpl += c_stat->cmpl_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) if (phba->nvmet_support)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) tot_rcv += c_stat->rcv_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) scnprintf(tmp, sizeof(tmp), "| [CPU %d]: ", j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) if (phba->nvmet_support) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) "XMT 0x%x CMPL 0x%x RCV 0x%x |",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) c_stat->xmt_io, c_stat->cmpl_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) c_stat->rcv_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) "XMT 0x%x CMPL 0x%x |",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) c_stat->xmt_io, c_stat->cmpl_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) /* Check if nothing to display */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) if (!tot_xmt && !tot_cmpl && !tot_rcv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) scnprintf(tmp, sizeof(tmp), "\t->\t[HDWQ Total: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) if (phba->nvmet_support) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) "XMT 0x%x CMPL 0x%x RCV 0x%x]\n\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) tot_xmt, tot_cmpl, tot_rcv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) scnprintf(tmp, sizeof(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) "XMT 0x%x CMPL 0x%x]\n\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) tot_xmt, tot_cmpl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) if (strlcat(buf, tmp, size) >= size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) goto buffer_done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) buffer_done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) len = strnlen(buf, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) * lpfc_debugfs_disc_trc - Store discovery trace log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) * @vport: The vport to associate this trace string with for retrieval.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) * @mask: Log entry classification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) * @fmt: Format string to be displayed when dumping the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) * @data1: 1st data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) * @data2: 2nd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) * @data3: 3rd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) * This routine is used by the driver code to add a debugfs log entry to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) * discovery trace buffer associated with @vport. Only entries with a @mask that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) * match the current debugfs discovery mask will be saved. Entries that do not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) * printf when displaying the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) uint32_t data1, uint32_t data2, uint32_t data3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) struct lpfc_debugfs_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) if (!(lpfc_debugfs_mask_disc_trc & mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) if (!lpfc_debugfs_enable || !lpfc_debugfs_max_disc_trc ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) !vport || !vport->disc_trc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) index = atomic_inc_return(&vport->disc_trc_cnt) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) (lpfc_debugfs_max_disc_trc - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) dtp = vport->disc_trc + index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) dtp->fmt = fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) dtp->data1 = data1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) dtp->data2 = data2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) dtp->data3 = data3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) dtp->jif = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) * lpfc_debugfs_slow_ring_trc - Store slow ring trace log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) * @phba: The phba to associate this trace string with for retrieval.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) * @fmt: Format string to be displayed when dumping the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) * @data1: 1st data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) * @data2: 2nd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) * @data3: 3rd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) * This routine is used by the driver code to add a debugfs log entry to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) * @data3 are used like printf when displaying the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) uint32_t data1, uint32_t data2, uint32_t data3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) struct lpfc_debugfs_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) if (!lpfc_debugfs_enable || !lpfc_debugfs_max_slow_ring_trc ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) !phba || !phba->slow_ring_trc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) index = atomic_inc_return(&phba->slow_ring_trc_cnt) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) (lpfc_debugfs_max_slow_ring_trc - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) dtp = phba->slow_ring_trc + index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) dtp->fmt = fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) dtp->data1 = data1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) dtp->data2 = data2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) dtp->data3 = data3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) dtp->jif = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) * lpfc_debugfs_nvme_trc - Store NVME/NVMET trace log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) * @phba: The phba to associate this trace string with for retrieval.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) * @fmt: Format string to be displayed when dumping the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) * @data1: 1st data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) * @data2: 2nd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) * @data3: 3rd data parameter to be applied to @fmt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) * This routine is used by the driver code to add a debugfs log entry to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) * nvme trace buffer associated with @phba. @fmt, @data1, @data2, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) * @data3 are used like printf when displaying the log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) lpfc_debugfs_nvme_trc(struct lpfc_hba *phba, char *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) uint16_t data1, uint16_t data2, uint32_t data3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) struct lpfc_debugfs_nvmeio_trc *dtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) if (!phba->nvmeio_trc_on || !phba->nvmeio_trc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) index = atomic_inc_return(&phba->nvmeio_trc_cnt) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) (phba->nvmeio_trc_size - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) dtp = phba->nvmeio_trc + index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) dtp->fmt = fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) dtp->data1 = data1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) dtp->data2 = data2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) dtp->data3 = data3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) * lpfc_debugfs_disc_trc_open - Open the discovery trace log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) if (!lpfc_debugfs_max_disc_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) rc = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) size = PAGE_ALIGN(size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) debug->buffer = kmalloc(size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) debug->len = lpfc_debugfs_disc_trc_data(vport, debug->buffer, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) if (!lpfc_debugfs_max_slow_ring_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) rc = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) size = PAGE_ALIGN(size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) debug->buffer = kmalloc(size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) debug->len = lpfc_debugfs_slow_ring_trc_data(phba, debug->buffer, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) debug->len = lpfc_debugfs_hbqinfo_data(phba, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) LPFC_HBQINFO_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) * lpfc_debugfs_multixripools_open - Open the multixripool debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) * @inode: The inode pointer that contains a hba pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) * the hba from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) * for the log, fills the buffer from the in-memory log for this hba, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) lpfc_debugfs_multixripools_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) debug->buffer = kzalloc(LPFC_DUMP_MULTIXRIPOOL_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) debug->len = lpfc_debugfs_multixripools_data(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) phba, debug->buffer, LPFC_DUMP_MULTIXRIPOOL_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) #ifdef LPFC_HDWQ_LOCK_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) * lpfc_debugfs_lockstat_open - Open the lockstat debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) lpfc_debugfs_lockstat_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) debug->buffer = kmalloc(LPFC_HDWQINFO_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) debug->len = lpfc_debugfs_lockstat_data(phba, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) LPFC_HBQINFO_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) struct lpfc_sli4_hdw_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) qp = &phba->sli4_hba.hdwq[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) qp->lock_conflict.alloc_xri_get = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) qp->lock_conflict.alloc_xri_put = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) qp->lock_conflict.free_xri = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) qp->lock_conflict.wq_access = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) qp->lock_conflict.alloc_pvt_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) qp->lock_conflict.mv_from_pvt_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) qp->lock_conflict.mv_to_pub_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) qp->lock_conflict.mv_to_pvt_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) qp->lock_conflict.free_pvt_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) qp->lock_conflict.free_pub_pool = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) qp->lock_conflict.wq_access = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) char *buffer, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) int copied = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) struct lpfc_dmabuf *dmabuf, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) memset(buffer, 0, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) if (phba->ras_fwlog.state != ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) list_for_each_entry_safe(dmabuf, next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) &phba->ras_fwlog.fwlog_buff_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) /* Check if copying will go over size and a '\0' char */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) if ((copied + LPFC_RAS_MAX_ENTRY_SIZE) >= (size - 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) memcpy(buffer + copied, dmabuf->virt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) size - copied - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) copied += size - copied - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) memcpy(buffer + copied, dmabuf->virt, LPFC_RAS_MAX_ENTRY_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) copied += LPFC_RAS_MAX_ENTRY_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) return copied;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) lpfc_debugfs_ras_log_release(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) vfree(debug->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) * lpfc_debugfs_ras_log_open - Open the RAS log debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) if (phba->ras_fwlog.state != ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) size = LPFC_RAS_MIN_BUFF_POST_SIZE * phba->cfg_ras_fwlog_buffsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) debug->buffer = vmalloc(size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) goto free_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) debug->len = lpfc_debugfs_ras_log_data(phba, debug->buffer, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) if (debug->len < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) goto free_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) free_buffer:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) vfree(debug->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) free_debug:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) LPFC_DUMPHBASLIM_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) LPFC_DUMPHOSTSLIM_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) struct dentry *dent = file->f_path.dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) struct lpfc_hba *phba = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) char cbuf[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) uint64_t tmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) int cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) if (dent == phba->debug_writeGuard)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) else if (dent == phba->debug_writeApp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) else if (dent == phba->debug_writeRef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) else if (dent == phba->debug_readGuard)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) else if (dent == phba->debug_readApp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) else if (dent == phba->debug_readRef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) cnt = scnprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) else if (dent == phba->debug_InjErrNPortID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) cnt = scnprintf(cbuf, 32, "0x%06x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) phba->lpfc_injerr_nportid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) else if (dent == phba->debug_InjErrWWPN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) tmp = cpu_to_be64(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) cnt = scnprintf(cbuf, 32, "0x%016llx\n", tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) } else if (dent == phba->debug_InjErrLBA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) if (phba->lpfc_injerr_lba == (sector_t)(-1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) cnt = scnprintf(cbuf, 32, "off\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) cnt = scnprintf(cbuf, 32, "0x%llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) (uint64_t) phba->lpfc_injerr_lba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) "0547 Unknown debugfs error injection entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) struct dentry *dent = file->f_path.dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) struct lpfc_hba *phba = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) char dstbuf[33];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) uint64_t tmp = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) memset(dstbuf, 0, 33);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) size = (nbytes < 32) ? nbytes : 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) if (copy_from_user(dstbuf, buf, size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) if (dent == phba->debug_InjErrLBA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) if ((dstbuf[0] == 'o') && (dstbuf[1] == 'f') &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) (dstbuf[2] == 'f'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) tmp = (uint64_t)(-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) if (dent == phba->debug_writeGuard)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) else if (dent == phba->debug_writeApp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) else if (dent == phba->debug_writeRef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) else if (dent == phba->debug_readGuard)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) else if (dent == phba->debug_readApp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) else if (dent == phba->debug_readRef)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) else if (dent == phba->debug_InjErrLBA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) phba->lpfc_injerr_lba = (sector_t)tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) else if (dent == phba->debug_InjErrNPortID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) else if (dent == phba->debug_InjErrWWPN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) tmp = cpu_to_be64(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) "0548 Unknown debugfs error injection entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) * @inode: The inode pointer that contains a vport pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) * @file: The file pointer to attach the log output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) * This routine is the entry point for the debugfs open file operation. It gets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) * the vport from the i_private field in @inode, allocates the necessary buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) * for the log, fills the buffer from the in-memory log for this vport, and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) * returns a pointer to that log in the private_data field in @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) * This function returns zero if successful. On error it will return a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) * error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) debug->len = lpfc_debugfs_nodelist_data(vport, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) LPFC_NODELIST_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) * lpfc_debugfs_lseek - Seek through a debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) * @file: The file pointer to seek through.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) * @off: The offset to seek to or the amount to seek by.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) * @whence: Indicates how to seek.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) * This routine is the entry point for the debugfs lseek file operation. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) * @whence parameter indicates whether @off is the offset to directly seek to,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) * or if it is a value to seek forward or reverse by. This function figures out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) * what the new offset of the debugfs file will be and assigns that value to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) * f_pos field of @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) * This function returns the new offset if successful and returns a negative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) * error if unable to process the seek.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) static loff_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) return fixed_size_llseek(file, off, whence, debug->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) * lpfc_debugfs_read - Read a debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) * This routine reads data from from the buffer indicated in the private_data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) * field of @file. It will start reading at @ppos and copy up to @nbytes of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) * data to @buf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) lpfc_debugfs_read(struct file *file, char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) return simple_read_from_buffer(buf, nbytes, ppos, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) debug->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) * lpfc_debugfs_release - Release the buffer used to store debugfs file data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) * @inode: The inode pointer that contains a vport pointer. (unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) * @file: The file pointer that contains the buffer to release.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) * This routine frees the buffer that was allocated when the debugfs file was
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) * opened.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) * This function returns zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) lpfc_debugfs_release(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) kfree(debug->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) * lpfc_debugfs_multixripools_write - Clear multi-XRI pools statistics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) * This routine clears multi-XRI pools statistics when buf contains "clear".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) * Return Value:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) u32 hwq_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) struct lpfc_sli4_hdw_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) struct lpfc_multixri_pool *multixri_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) if (nbytes > 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) nbytes = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) if ((strncmp(pbuf, "clear", strlen("clear"))) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) hwq_count = phba->cfg_hdw_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) for (i = 0; i < hwq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) qp = &phba->sli4_hba.hdwq[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) multixri_pool = qp->p_multixri_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) if (!multixri_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) qp->empty_io_bufs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) multixri_pool->pbl_empty_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) #ifdef LPFC_MXP_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) multixri_pool->above_limit_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) multixri_pool->below_limit_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) multixri_pool->stat_max_hwm = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) multixri_pool->local_pbl_hit_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) multixri_pool->other_pbl_hit_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) multixri_pool->stat_pbl_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) multixri_pool->stat_pvt_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) multixri_pool->stat_busy_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) multixri_pool->stat_snapshot_taken = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) lpfc_debugfs_nvmestat_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) debug->buffer = kmalloc(LPFC_NVMESTAT_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) debug->len = lpfc_debugfs_nvmestat_data(vport, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) LPFC_NVMESTAT_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) struct lpfc_nvmet_tgtport *tgtp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) if (!phba->targetport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) if (nbytes > 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) nbytes = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) if ((strncmp(pbuf, "reset", strlen("reset")) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) (strncmp(pbuf, "zero", strlen("zero")) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) atomic_set(&tgtp->rcv_ls_req_in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) atomic_set(&tgtp->rcv_ls_req_out, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) atomic_set(&tgtp->rcv_ls_req_drop, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) atomic_set(&tgtp->xmt_ls_abort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) atomic_set(&tgtp->xmt_ls_abort_cmpl, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) atomic_set(&tgtp->xmt_ls_rsp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) atomic_set(&tgtp->xmt_ls_drop, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) atomic_set(&tgtp->xmt_ls_rsp_error, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) atomic_set(&tgtp->rcv_fcp_cmd_in, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) atomic_set(&tgtp->rcv_fcp_cmd_out, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) atomic_set(&tgtp->rcv_fcp_cmd_drop, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) atomic_set(&tgtp->xmt_fcp_drop, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) atomic_set(&tgtp->xmt_fcp_read_rsp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) atomic_set(&tgtp->xmt_fcp_read, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) atomic_set(&tgtp->xmt_fcp_write, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) atomic_set(&tgtp->xmt_fcp_rsp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) atomic_set(&tgtp->xmt_fcp_release, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) atomic_set(&tgtp->xmt_fcp_rsp_error, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) atomic_set(&tgtp->xmt_fcp_rsp_drop, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) atomic_set(&tgtp->xmt_fcp_abort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) atomic_set(&tgtp->xmt_abort_sol, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) atomic_set(&tgtp->xmt_abort_unsol, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) atomic_set(&tgtp->xmt_abort_rsp, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) atomic_set(&tgtp->xmt_abort_rsp_error, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) lpfc_debugfs_scsistat_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) debug->buffer = kzalloc(LPFC_SCSISTAT_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) debug->len = lpfc_debugfs_scsistat_data(vport, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) LPFC_SCSISTAT_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) char mybuf[6] = {0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) (sizeof(mybuf) - 1) : nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) if ((strncmp(&mybuf[0], "reset", strlen("reset")) == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) (strncmp(&mybuf[0], "zero", strlen("zero")) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) for (i = 0; i < phba->cfg_hdw_queue; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) memset(&phba->sli4_hba.hdwq[i].scsi_cstat, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) sizeof(phba->sli4_hba.hdwq[i].scsi_cstat));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) lpfc_debugfs_ioktime_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) debug->buffer = kmalloc(LPFC_IOKTIME_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) debug->len = lpfc_debugfs_ioktime_data(vport, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) LPFC_IOKTIME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) lpfc_debugfs_ioktime_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) if (nbytes > 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) nbytes = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) phba->ktime_data_samples = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) phba->ktime_status_samples = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) phba->ktime_seg1_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) phba->ktime_seg1_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) phba->ktime_seg1_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) phba->ktime_seg2_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) phba->ktime_seg2_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) phba->ktime_seg2_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) phba->ktime_seg3_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) phba->ktime_seg3_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) phba->ktime_seg3_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) phba->ktime_seg4_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) phba->ktime_seg4_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) phba->ktime_seg4_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) phba->ktime_seg5_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) phba->ktime_seg5_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) phba->ktime_seg5_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) phba->ktime_seg6_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) phba->ktime_seg6_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) phba->ktime_seg6_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) phba->ktime_seg7_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) phba->ktime_seg7_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) phba->ktime_seg7_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) phba->ktime_seg8_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) phba->ktime_seg8_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) phba->ktime_seg8_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) phba->ktime_seg9_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) phba->ktime_seg9_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) phba->ktime_seg9_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) phba->ktime_seg10_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) phba->ktime_seg10_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) phba->ktime_seg10_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) phba->ktime_on = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) } else if ((strncmp(pbuf, "off",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) sizeof("off") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) phba->ktime_on = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) } else if ((strncmp(pbuf, "zero",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) sizeof("zero") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) phba->ktime_data_samples = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) phba->ktime_status_samples = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) phba->ktime_seg1_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) phba->ktime_seg1_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) phba->ktime_seg1_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) phba->ktime_seg2_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) phba->ktime_seg2_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) phba->ktime_seg2_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) phba->ktime_seg3_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) phba->ktime_seg3_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) phba->ktime_seg3_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) phba->ktime_seg4_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) phba->ktime_seg4_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) phba->ktime_seg4_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) phba->ktime_seg5_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) phba->ktime_seg5_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) phba->ktime_seg5_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) phba->ktime_seg6_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) phba->ktime_seg6_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) phba->ktime_seg6_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) phba->ktime_seg7_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) phba->ktime_seg7_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) phba->ktime_seg7_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) phba->ktime_seg8_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) phba->ktime_seg8_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) phba->ktime_seg8_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) phba->ktime_seg9_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) phba->ktime_seg9_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) phba->ktime_seg9_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) phba->ktime_seg10_total = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) phba->ktime_seg10_max = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) phba->ktime_seg10_min = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) lpfc_debugfs_nvmeio_trc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) struct lpfc_hba *phba = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) debug->buffer = kmalloc(LPFC_NVMEIO_TRC_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) debug->len = lpfc_debugfs_nvmeio_trc_data(phba, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) LPFC_NVMEIO_TRC_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) unsigned long sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) if (nbytes > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) nbytes = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) if ((strncmp(pbuf, "off", sizeof("off") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) "0570 nvmeio_trc_off\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) phba->nvmeio_trc_on = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) } else if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) "0571 nvmeio_trc_on\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) phba->nvmeio_trc_on = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) /* We must be off to allocate the trace buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) if (phba->nvmeio_trc_on != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) /* If not on or off, the parameter is the trace buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) i = kstrtoul(pbuf, 0, &sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) if (i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) phba->nvmeio_trc_size = (uint32_t)sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) /* It must be a power of 2 - round down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) while (sz > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) sz = sz >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) sz = (1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) if (phba->nvmeio_trc_size != sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) "0572 nvmeio_trc_size changed to %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) phba->nvmeio_trc_size = (uint32_t)sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) /* If one previously exists, free it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) kfree(phba->nvmeio_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) /* Allocate new trace buffer and initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) phba->nvmeio_trc = kzalloc((sizeof(struct lpfc_debugfs_nvmeio_trc) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) sz), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) if (!phba->nvmeio_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) "0573 Cannot create debugfs "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) "nvmeio_trc buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) atomic_set(&phba->nvmeio_trc_cnt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) phba->nvmeio_trc_on = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) lpfc_debugfs_hdwqstat_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) struct lpfc_vport *vport = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) int rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) /* Round to page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) debug->buffer = kcalloc(1, LPFC_SCSISTAT_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) if (!debug->buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) debug->len = lpfc_debugfs_hdwqstat_data(vport, debug->buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) LPFC_SCSISTAT_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) lpfc_debugfs_hdwqstat_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) struct lpfc_vport *vport = (struct lpfc_vport *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) struct lpfc_hdwq_stat *c_stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) char *pbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) if (nbytes > 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) nbytes = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) if (copy_from_user(mybuf, buf, nbytes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) if ((strncmp(pbuf, "on", sizeof("on") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) if (phba->nvmet_support)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) phba->hdwqstat_on |= (LPFC_CHECK_NVME_IO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) LPFC_CHECK_SCSI_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) } else if ((strncmp(pbuf, "nvme_on", sizeof("nvme_on") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) if (phba->nvmet_support)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) phba->hdwqstat_on |= LPFC_CHECK_NVMET_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) phba->hdwqstat_on |= LPFC_CHECK_NVME_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) } else if ((strncmp(pbuf, "scsi_on", sizeof("scsi_on") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) if (!phba->nvmet_support)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) phba->hdwqstat_on |= LPFC_CHECK_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) } else if ((strncmp(pbuf, "nvme_off", sizeof("nvme_off") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) phba->hdwqstat_on &= ~(LPFC_CHECK_NVME_IO |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) LPFC_CHECK_NVMET_IO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) } else if ((strncmp(pbuf, "scsi_off", sizeof("scsi_off") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) phba->hdwqstat_on &= ~LPFC_CHECK_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) } else if ((strncmp(pbuf, "off",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) sizeof("off") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) phba->hdwqstat_on = LPFC_CHECK_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) } else if ((strncmp(pbuf, "zero",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) sizeof("zero") - 1) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) for_each_present_cpu(i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) c_stat = per_cpu_ptr(phba->sli4_hba.c_stat, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) c_stat->xmt_io = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) c_stat->cmpl_io = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) c_stat->rcv_io = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) return strlen(pbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) * ---------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) * iDiag debugfs file access methods
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) * ---------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) * All access methods are through the proper SLI4 PCI function's debugfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) * iDiag directory:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) * /sys/kernel/debug/lpfc/fn<#>/iDiag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) * lpfc_idiag_cmd_get - Get and parse idiag debugfs comands from user space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) * @buf: The pointer to the user space buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) * @nbytes: The number of bytes in the user space buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) * @idiag_cmd: pointer to the idiag command struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) * This routine reads data from debugfs user space buffer and parses the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) * buffer for getting the idiag command and arguments. The while space in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) * between the set of data is used as the parsing separator.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) * This routine returns 0 when successful, it returns proper error code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) * back to the user space in error conditions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) static int lpfc_idiag_cmd_get(const char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) struct lpfc_idiag_cmd *idiag_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) char mybuf[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) char *pbuf, *step_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) size_t bsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) memset(mybuf, 0, sizeof(mybuf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) memset(idiag_cmd, 0, sizeof(*idiag_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) bsize = min(nbytes, (sizeof(mybuf)-1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) if (copy_from_user(mybuf, buf, bsize))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) pbuf = &mybuf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) step_str = strsep(&pbuf, "\t ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) /* The opcode must present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) if (!step_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) idiag_cmd->opcode = simple_strtol(step_str, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) if (idiag_cmd->opcode == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) for (i = 0; i < LPFC_IDIAG_CMD_DATA_SIZE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) step_str = strsep(&pbuf, "\t ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) if (!step_str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) idiag_cmd->data[i] = simple_strtol(step_str, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) * lpfc_idiag_open - idiag open debugfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) * @inode: The inode pointer that contains a pointer to phba.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) * @file: The file pointer to attach the file operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) * This routine is the entry point for the debugfs open file operation. It
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) * gets the reference to phba from the i_private field in @inode, it then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) * allocates buffer for the file operation, performs the necessary PCI config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) * space read into the allocated buffer according to the idiag user command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) * setup, and then returns a pointer to buffer in the private_data field in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) * @file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) * This function returns zero if successful. On error it will return an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) * negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) lpfc_idiag_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) struct lpfc_debug *debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) debug = kmalloc(sizeof(*debug), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) if (!debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) debug->i_private = inode->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) debug->buffer = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) file->private_data = debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) * lpfc_idiag_release - Release idiag access file operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) * @inode: The inode pointer that contains a vport pointer. (unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) * @file: The file pointer that contains the buffer to release.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) * This routine is the generic release routine for the idiag access file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) * operation, it frees the buffer that was allocated when the debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) * was opened.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) * This function returns zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) lpfc_idiag_release(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) /* Free the buffers to the file operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) kfree(debug->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) * lpfc_idiag_cmd_release - Release idiag cmd access file operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) * @inode: The inode pointer that contains a vport pointer. (unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) * @file: The file pointer that contains the buffer to release.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) * This routine frees the buffer that was allocated when the debugfs file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) * was opened. It also reset the fields in the idiag command struct in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) * case of command for write operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) * This function returns zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) lpfc_idiag_cmd_release(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) if (debug->op == LPFC_IDIAG_OP_WR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) switch (idiag.cmd.opcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) case LPFC_IDIAG_CMD_PCICFG_WR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) case LPFC_IDIAG_CMD_PCICFG_ST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) case LPFC_IDIAG_CMD_PCICFG_CL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) case LPFC_IDIAG_CMD_QUEACC_WR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) case LPFC_IDIAG_CMD_QUEACC_ST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) case LPFC_IDIAG_CMD_QUEACC_CL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) /* Free the buffers to the file operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) kfree(debug->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) kfree(debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) * lpfc_idiag_pcicfg_read - idiag debugfs read pcicfg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) * This routine reads data from the @phba pci config space according to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) * idiag command, and copies to user @buf. Depending on the PCI config space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) * read command setup, it does either a single register read of a byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) * (8 bits), a word (16 bits), or a dword (32 bits) or browsing through all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) * registers from the 4K extended PCI config space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) lpfc_idiag_pcicfg_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) int offset_label, offset, len = 0, index = LPFC_PCI_CFG_RD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) int where, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) uint32_t u32val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) uint16_t u16val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) uint8_t u8val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) pdev = phba->pcidev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) debug->buffer = kmalloc(LPFC_PCI_CFG_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320) where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321) count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325) /* Read single PCI config space register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) switch (count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) case SIZE_U8: /* byte (8 bits) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) pci_read_config_byte(pdev, where, &u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) "%03x: %02x\n", where, u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) case SIZE_U16: /* word (16 bits) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) pci_read_config_word(pdev, where, &u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) "%03x: %04x\n", where, u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) case SIZE_U32: /* double word (32 bits) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) pci_read_config_dword(pdev, where, &u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) "%03x: %08x\n", where, u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) case LPFC_PCI_CFG_BROWSE: /* browse all */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) goto pcicfg_browse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) /* illegal count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352) pcicfg_browse:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) /* Browse all PCI config space registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) offset_label = idiag.offset.last_rd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) offset = offset_label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) /* Read PCI config space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) "%03x: ", offset_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) while (index > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) pci_read_config_dword(pdev, offset, &u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) "%08x ", u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) offset += sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) if (offset >= LPFC_PCI_CFG_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) LPFC_PCI_CFG_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) index -= sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) if (!index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) else if (!(index % (8 * sizeof(uint32_t)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) offset_label += (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) len += scnprintf(pbuffer+len, LPFC_PCI_CFG_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) "\n%03x: ", offset_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) /* Set up the offset for next portion of pci cfg read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) if (index == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) idiag.offset.last_rd += LPFC_PCI_CFG_RD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) if (idiag.offset.last_rd >= LPFC_PCI_CFG_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) * lpfc_idiag_pcicfg_write - Syntax check and set up idiag pcicfg commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) * This routine get the debugfs idiag command struct from user space and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) * then perform the syntax check for PCI config space read or write command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) * accordingly. In the case of PCI config space read command, it sets up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) * the command in the idiag command struct for the debugfs read operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) * In the case of PCI config space write operation, it executes the write
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) * operation into the PCI config space accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) lpfc_idiag_pcicfg_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) uint32_t where, value, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) uint32_t u32val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) uint16_t u16val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) uint8_t u8val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) pdev = phba->pcidev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) /* Sanity check on PCI config read command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) if (rc != LPFC_PCI_CFG_RD_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439) /* Read command from PCI config space, set up command fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440) where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) if (count == LPFC_PCI_CFG_BROWSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) if (where % sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) /* Starting offset to browse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) idiag.offset.last_rd = where;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) } else if ((count != sizeof(uint8_t)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) (count != sizeof(uint16_t)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) (count != sizeof(uint32_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) if (count == sizeof(uint8_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) if (where % sizeof(uint8_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) if (count == sizeof(uint16_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) if (where % sizeof(uint16_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463) if (count == sizeof(uint32_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) if (where % sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469) } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470) idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471) idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) /* Sanity check on PCI config write command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) if (rc != LPFC_PCI_CFG_WR_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) /* Write command to PCI config space, read-modify-write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) where = idiag.cmd.data[IDIAG_PCICFG_WHERE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) count = idiag.cmd.data[IDIAG_PCICFG_COUNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) value = idiag.cmd.data[IDIAG_PCICFG_VALUE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) /* Sanity checks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480) if ((count != sizeof(uint8_t)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) (count != sizeof(uint16_t)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482) (count != sizeof(uint32_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484) if (count == sizeof(uint8_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint8_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487) if (where % sizeof(uint8_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) pci_write_config_byte(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) (uint8_t)value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493) rc = pci_read_config_byte(pdev, where, &u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495) u8val |= (uint8_t)value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496) pci_write_config_byte(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497) u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) rc = pci_read_config_byte(pdev, where, &u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) u8val &= (uint8_t)(~value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) pci_write_config_byte(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) u8val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) if (count == sizeof(uint16_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint16_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) if (where % sizeof(uint16_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) pci_write_config_word(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) (uint16_t)value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) rc = pci_read_config_word(pdev, where, &u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) u16val |= (uint16_t)value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) pci_write_config_word(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522) u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526) rc = pci_read_config_word(pdev, where, &u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) u16val &= (uint16_t)(~value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) pci_write_config_word(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) u16val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) if (count == sizeof(uint32_t)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) if (where > LPFC_PCI_CFG_SIZE - sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) if (where % sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540) pci_write_config_dword(pdev, where, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) rc = pci_read_config_dword(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) &u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) u32val |= value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) pci_write_config_dword(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_PCICFG_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551) rc = pci_read_config_dword(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552) &u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553) if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554) u32val &= ~value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555) pci_write_config_dword(pdev, where,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556) u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) /* All other opecodes are illegal for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571) * lpfc_idiag_baracc_read - idiag debugfs pci bar access read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) * This routine reads data from the @phba pci bar memory mapped space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) * according to the idiag command, and copies to user @buf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) lpfc_idiag_baracc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) int offset_label, offset, offset_run, len = 0, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) int bar_num, acc_range, bar_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) void __iomem *mem_mapped_bar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595) uint32_t if_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) uint32_t u32val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) pdev = phba->pcidev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) debug->buffer = kmalloc(LPFC_PCI_BAR_RD_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619) bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) if (acc_range == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) if (bar_num == IDIAG_BARACC_BAR_0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629) mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) else if (bar_num == IDIAG_BARACC_BAR_1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632) else if (bar_num == IDIAG_BARACC_BAR_2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) if (bar_num == IDIAG_BARACC_BAR_0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) /* Read single PCI bar space register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) if (acc_range == SINGLE_WORD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) offset_run = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) u32val = readl(mem_mapped_bar + offset_run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648) len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) "%05x: %08x\n", offset_run, u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651) goto baracc_browse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) baracc_browse:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) /* Browse all PCI bar space registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) offset_label = idiag.offset.last_rd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) offset_run = offset_label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) /* Read PCI bar memory mapped space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) "%05x: ", offset_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) index = LPFC_PCI_BAR_RD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665) while (index > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) u32val = readl(mem_mapped_bar + offset_run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) len += scnprintf(pbuffer+len, LPFC_PCI_BAR_RD_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) "%08x ", u32val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669) offset_run += sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670) if (acc_range == LPFC_PCI_BAR_BROWSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) if (offset_run >= bar_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) if (offset_run >= offset +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) (acc_range * sizeof(uint32_t))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684) index -= sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) if (!index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) LPFC_PCI_BAR_RD_BUF_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688) else if (!(index % (8 * sizeof(uint32_t)))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) offset_label += (8 * sizeof(uint32_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) LPFC_PCI_BAR_RD_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) "\n%05x: ", offset_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) /* Set up the offset for next portion of pci bar read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) if (index == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) idiag.offset.last_rd += LPFC_PCI_BAR_RD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) if (acc_range == LPFC_PCI_BAR_BROWSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) if (idiag.offset.last_rd >= bar_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) if (offset_run >= offset +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) (acc_range * sizeof(uint32_t)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705) idiag.offset.last_rd = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708) if (acc_range == LPFC_PCI_BAR_BROWSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) idiag.offset.last_rd = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) * lpfc_idiag_baracc_write - Syntax check and set up idiag bar access commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) * This routine get the debugfs idiag command struct from user space and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) * then perform the syntax check for PCI bar memory mapped space read or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) * write command accordingly. In the case of PCI bar memory mapped space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) * read command, it sets up the command in the idiag command struct for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728) * the debugfs read operation. In the case of PCI bar memorpy mapped space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) * write operation, it executes the write operation into the PCI bar memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) * mapped space accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737) lpfc_idiag_baracc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) uint32_t bar_num, bar_size, offset, value, acc_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) void __iomem *mem_mapped_bar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) uint32_t if_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) uint32_t u32val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749) pdev = phba->pcidev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) bar_num = idiag.cmd.data[IDIAG_BARACC_BAR_NUM_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) if ((bar_num != IDIAG_BARACC_BAR_0) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) (bar_num != IDIAG_BARACC_BAR_1) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) (bar_num != IDIAG_BARACC_BAR_2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) if (bar_num != IDIAG_BARACC_BAR_0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) if (if_type == LPFC_SLI_INTF_IF_TYPE_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) if (bar_num == IDIAG_BARACC_BAR_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777) LPFC_PCI_IF0_BAR0_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) } else if (bar_num == IDIAG_BARACC_BAR_1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) LPFC_PCI_IF0_BAR1_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) mem_mapped_bar = phba->sli4_hba.ctrl_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) } else if (bar_num == IDIAG_BARACC_BAR_2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) LPFC_PCI_IF0_BAR2_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) mem_mapped_bar = phba->sli4_hba.drbl_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) } else if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) if (bar_num == IDIAG_BARACC_BAR_0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792) LPFC_PCI_IF2_BAR0_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) mem_mapped_bar = phba->sli4_hba.conf_regs_memmap_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) offset = idiag.cmd.data[IDIAG_BARACC_OFF_SET_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800) if (offset % sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) bar_size = idiag.cmd.data[IDIAG_BARACC_BAR_SZE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) /* Sanity check on PCI config read command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) if (rc != LPFC_PCI_BAR_RD_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808) acc_range = idiag.cmd.data[IDIAG_BARACC_ACC_MOD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) if (acc_range == LPFC_PCI_BAR_BROWSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) if (offset > bar_size - sizeof(uint32_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) /* Starting offset to browse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) idiag.offset.last_rd = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) } else if (acc_range > SINGLE_WORD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) if (offset + acc_range * sizeof(uint32_t) > bar_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) /* Starting offset to browse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) idiag.offset.last_rd = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819) } else if (acc_range != SINGLE_WORD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821) } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822) idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823) idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824) /* Sanity check on PCI bar write command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825) if (rc != LPFC_PCI_BAR_WR_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) /* Write command to PCI bar space, read-modify-write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828) acc_range = SINGLE_WORD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) value = idiag.cmd.data[IDIAG_BARACC_REG_VAL_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_WR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) writel(value, mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) readl(mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) u32val = readl(mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) u32val |= value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) writel(u32val, mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) readl(mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_BARACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) u32val = readl(mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842) u32val &= ~value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843) writel(u32val, mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844) readl(mem_mapped_bar + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) /* All other opecodes are illegal for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858) char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) if (!qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) "\t\t%s WQ info: ", wqtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) "AssocCQID[%04d]: WQ-STAT[oflow:x%x posted:x%llx]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867) qp->assoc_qid, qp->q_cnt_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) (unsigned long long)qp->q_cnt_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870) "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) qp->queue_id, qp->entry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) qp->entry_size, qp->host_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874) qp->hba_index, qp->notify_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875) len += scnprintf(pbuffer + len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) lpfc_idiag_wqs_for_cq(struct lpfc_hba *phba, char *wqtype, char *pbuffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) int *len, int max_cnt, int cq_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884) struct lpfc_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) int qidx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887) for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) qp = phba->sli4_hba.hdwq[qidx].io_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) if (qp->assoc_qid != cq_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) *len = __lpfc_idiag_print_wq(qp, wqtype, pbuffer, *len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) if (*len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) if (!qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) "\t%s CQ info: ", cqtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) "AssocEQID[%02d]: CQ STAT[max:x%x relw:x%x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) "xabt:x%x wq:x%llx]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) "HST-IDX[%04d], NTFI[%03d], PLMT[%03d]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) qp->queue_id, qp->entry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916) qp->entry_size, qp->host_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) qp->notify_interval, qp->max_proc_limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920) "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926) __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) char *rqtype, char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) if (!qp || !datqp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) "\t\t%s RQ info: ", rqtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935) "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) "posted:x%x rcv:x%llx]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) qp->q_cnt_3, (unsigned long long)qp->q_cnt_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941) "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) qp->queue_id, qp->entry_count, qp->entry_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) qp->host_index, qp->hba_index, qp->notify_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945) "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) "HST-IDX[%04d], PRT-IDX[%04d], NTFI[%03d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) datqp->queue_id, datqp->entry_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) datqp->entry_size, datqp->host_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) datqp->hba_index, datqp->notify_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954) lpfc_idiag_cqs_for_eq(struct lpfc_hba *phba, char *pbuffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) int *len, int max_cnt, int eqidx, int eq_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) struct lpfc_queue *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960) qp = phba->sli4_hba.hdwq[eqidx].io_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) *len = __lpfc_idiag_print_cq(qp, "IO", pbuffer, *len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) /* Reset max counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) qp->CQ_max_cqe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) if (*len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) rc = lpfc_idiag_wqs_for_cq(phba, "IO", pbuffer, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) max_cnt, qp->queue_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) if ((eqidx < phba->cfg_nvmet_mrq) && phba->nvmet_support) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) /* NVMET CQset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) qp = phba->sli4_hba.nvmet_cqset[eqidx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) *len = __lpfc_idiag_print_cq(qp, "NVMET CQset", pbuffer, *len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980) /* Reset max counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) qp->CQ_max_cqe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) if (*len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) /* RQ header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) qp = phba->sli4_hba.nvmet_mrq_hdr[eqidx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) *len = __lpfc_idiag_print_rqpair(qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989) phba->sli4_hba.nvmet_mrq_data[eqidx],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) "NVMET MRQ", pbuffer, *len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) if (*len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) if (!qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) "\n%s EQ info: EQ-STAT[max:x%x noE:x%x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) "cqe_proc:x%x eqe_proc:x%llx eqd %d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) (unsigned long long)qp->q_cnt_4, qp->q_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012) "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) "HST-IDX[%04d], NTFI[%03d], PLMT[%03d], AFFIN[%03d]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) qp->queue_id, qp->entry_count, qp->entry_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) qp->host_index, qp->notify_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) qp->max_proc_limit, qp->chann);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017) len += scnprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018) "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024) * lpfc_idiag_queinfo_read - idiag debugfs read queue information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) * This routine reads data from the @phba SLI4 PCI function queue information,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032) * and copies to user @buf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) * This routine only returns 1 EQs worth of information. It remembers the last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) * EQ read and jumps to the next EQ. Thus subsequent calls to queInfo will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) * retrieve all EQs allocated for the phba.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042) lpfc_idiag_queinfo_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) int max_cnt, rc, x, len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) struct lpfc_queue *qp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) debug->buffer = kmalloc(LPFC_QUE_INFO_GET_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056) max_cnt = LPFC_QUE_INFO_GET_BUF_SIZE - 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) spin_lock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063) /* Fast-path event queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064) if (phba->sli4_hba.hdwq && phba->cfg_hdw_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066) x = phba->lpfc_idiag_last_eq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067) phba->lpfc_idiag_last_eq++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068) if (phba->lpfc_idiag_last_eq >= phba->cfg_hdw_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069) phba->lpfc_idiag_last_eq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071) len += scnprintf(pbuffer + len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) LPFC_QUE_INFO_GET_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) "HDWQ %d out of %d HBA HDWQs\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) x, phba->cfg_hdw_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076) /* Fast-path EQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) qp = phba->sli4_hba.hdwq[x].hba_eq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) if (!qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) len = __lpfc_idiag_print_eq(qp, "HBA", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) /* Reset max counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084) qp->EQ_max_eqe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089) /* will dump both fcp and nvme cqs/wqs for the eq */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090) rc = lpfc_idiag_cqs_for_eq(phba, pbuffer, &len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091) max_cnt, x, qp->queue_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095) /* Only EQ 0 has slow path CQs configured */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096) if (x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) /* Slow-path mailbox CQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100) qp = phba->sli4_hba.mbx_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) len = __lpfc_idiag_print_cq(qp, "MBX", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) /* Slow-path MBOX MQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106) qp = phba->sli4_hba.mbx_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107) len = __lpfc_idiag_print_wq(qp, "MBX", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) /* Slow-path ELS response CQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) qp = phba->sli4_hba.els_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113) len = __lpfc_idiag_print_cq(qp, "ELS", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) /* Reset max counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) if (qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) qp->CQ_max_cqe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) /* Slow-path ELS WQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121) qp = phba->sli4_hba.els_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) len = __lpfc_idiag_print_wq(qp, "ELS", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) qp = phba->sli4_hba.hdr_rq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127) len = __lpfc_idiag_print_rqpair(qp, phba->sli4_hba.dat_rq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) "ELS RQpair", pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) /* Slow-path NVME LS response CQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) qp = phba->sli4_hba.nvmels_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134) len = __lpfc_idiag_print_cq(qp, "NVME LS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) /* Reset max counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137) if (qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) qp->CQ_max_cqe = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) /* Slow-path NVME LS WQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) qp = phba->sli4_hba.nvmels_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4144) len = __lpfc_idiag_print_wq(qp, "NVME LS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4145) pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4146) if (len >= max_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4147) goto too_big;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4149) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4152) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4153) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4155) too_big:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4156) len += scnprintf(pbuffer + len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4157) LPFC_QUE_INFO_GET_BUF_SIZE - len, "Truncated ...\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4158) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4159) spin_unlock_irq(&phba->hbalock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4160) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4163) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4164) * lpfc_idiag_que_param_check - queue access command parameter sanity check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4165) * @q: The pointer to queue structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4166) * @index: The index into a queue entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4167) * @count: The number of queue entries to access.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4168) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4169) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4170) * The routine performs sanity check on device queue access method commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4171) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4172) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4173) * This function returns -EINVAL when fails the sanity check, otherwise, it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4174) * returns 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4175) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4176) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4177) lpfc_idiag_que_param_check(struct lpfc_queue *q, int index, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4179) /* Only support single entry read or browsing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4180) if ((count != 1) && (count != LPFC_QUE_ACC_BROWSE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4181) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4182) if (index > q->entry_count - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4183) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4184) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4187) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4188) * lpfc_idiag_queacc_read_qe - read a single entry from the given queue index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4189) * @pbuffer: The pointer to buffer to copy the read data into.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4190) * @pque: The pointer to the queue to be read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4191) * @index: The index into the queue entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4192) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4193) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4194) * This routine reads out a single entry from the given queue's index location
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4195) * and copies it into the buffer provided.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4196) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4197) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4198) * This function returns 0 when it fails, otherwise, it returns the length of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4199) * the data read into the buffer provided.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4200) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4201) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4202) lpfc_idiag_queacc_read_qe(char *pbuffer, int len, struct lpfc_queue *pque,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4203) uint32_t index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4205) int offset, esize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4206) uint32_t *pentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4208) if (!pbuffer || !pque)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4209) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4211) esize = pque->entry_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4212) len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4213) "QE-INDEX[%04d]:\n", index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4215) offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4216) pentry = lpfc_sli4_qe(pque, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4217) while (esize > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4218) len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4219) "%08x ", *pentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4220) pentry++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4221) offset += sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4222) esize -= sizeof(uint32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4223) if (esize > 0 && !(offset % (4 * sizeof(uint32_t))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4224) len += scnprintf(pbuffer+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4225) LPFC_QUE_ACC_BUF_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4227) len += scnprintf(pbuffer+len, LPFC_QUE_ACC_BUF_SIZE-len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4229) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4232) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4233) * lpfc_idiag_queacc_read - idiag debugfs read port queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4234) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4235) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4236) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4237) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4238) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4239) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4240) * This routine reads data from the @phba device queue memory according to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4241) * idiag command, and copies to user @buf. Depending on the queue dump read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4242) * command setup, it does either a single queue entry read or browing through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4243) * all entries of the queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4244) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4245) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4246) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4247) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4248) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4249) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4250) lpfc_idiag_queacc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4251) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4253) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4254) uint32_t last_index, index, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4255) struct lpfc_queue *pque = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4256) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4257) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4259) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4260) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4262) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4263) debug->buffer = kmalloc(LPFC_QUE_ACC_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4264) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4265) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4266) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4268) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4269) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4271) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4272) index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4273) count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4274) pque = (struct lpfc_queue *)idiag.ptr_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4275) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4276) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4278) /* Browse the queue starting from index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4279) if (count == LPFC_QUE_ACC_BROWSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4280) goto que_browse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4282) /* Read a single entry from the queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4283) len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4285) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4287) que_browse:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4289) /* Browse all entries from the queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4290) last_index = idiag.offset.last_rd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4291) index = last_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4293) while (len < LPFC_QUE_ACC_SIZE - pque->entry_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4294) len = lpfc_idiag_queacc_read_qe(pbuffer, len, pque, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4295) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4296) if (index > pque->entry_count - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4297) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4300) /* Set up the offset for next portion of pci cfg read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4301) if (index > pque->entry_count - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4302) index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4303) idiag.offset.last_rd = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4305) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4308) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4309) * lpfc_idiag_queacc_write - Syntax check and set up idiag queacc commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4310) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4311) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4312) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4313) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4314) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4315) * This routine get the debugfs idiag command struct from user space and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4316) * perform the syntax check for port queue read (dump) or write (set) command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4317) * accordingly. In the case of port queue read command, it sets up the command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4318) * in the idiag command struct for the following debugfs read operation. In
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4319) * the case of port queue write operation, it executes the write operation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4320) * into the port queue entry accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4321) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4322) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4323) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4324) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4325) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4326) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4327) lpfc_idiag_queacc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4328) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4330) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4331) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4332) uint32_t qidx, quetp, queid, index, count, offset, value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4333) uint32_t *pentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4334) struct lpfc_queue *pque, *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4335) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4337) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4338) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4340) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4341) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4342) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4344) /* Get and sanity check on command feilds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4345) quetp = idiag.cmd.data[IDIAG_QUEACC_QUETP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4346) queid = idiag.cmd.data[IDIAG_QUEACC_QUEID_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4347) index = idiag.cmd.data[IDIAG_QUEACC_INDEX_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4348) count = idiag.cmd.data[IDIAG_QUEACC_COUNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4349) offset = idiag.cmd.data[IDIAG_QUEACC_OFFST_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4350) value = idiag.cmd.data[IDIAG_QUEACC_VALUE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4352) /* Sanity check on command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4353) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4354) idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4355) idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4356) if (rc != LPFC_QUE_ACC_WR_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4357) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4358) if (count != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4359) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4360) } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4361) if (rc != LPFC_QUE_ACC_RD_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4362) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4363) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4364) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4366) switch (quetp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4367) case LPFC_IDIAG_EQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4368) /* HBA event queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4369) if (phba->sli4_hba.hdwq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4370) for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4371) qp = phba->sli4_hba.hdwq[qidx].hba_eq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4372) if (qp && qp->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4373) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4374) rc = lpfc_idiag_que_param_check(qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4375) index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4376) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4377) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4378) idiag.ptr_private = qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4379) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4383) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4384) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4385) case LPFC_IDIAG_CQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4386) /* MBX complete queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4387) if (phba->sli4_hba.mbx_cq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4388) phba->sli4_hba.mbx_cq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4389) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4390) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4391) phba->sli4_hba.mbx_cq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4392) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4393) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4394) idiag.ptr_private = phba->sli4_hba.mbx_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4395) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4397) /* ELS complete queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4398) if (phba->sli4_hba.els_cq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4399) phba->sli4_hba.els_cq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4400) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4401) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4402) phba->sli4_hba.els_cq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4403) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4404) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4405) idiag.ptr_private = phba->sli4_hba.els_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4406) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4408) /* NVME LS complete queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4409) if (phba->sli4_hba.nvmels_cq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4410) phba->sli4_hba.nvmels_cq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4411) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4412) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4413) phba->sli4_hba.nvmels_cq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4414) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4415) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4416) idiag.ptr_private = phba->sli4_hba.nvmels_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4417) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4419) /* FCP complete queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4420) if (phba->sli4_hba.hdwq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4421) for (qidx = 0; qidx < phba->cfg_hdw_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4422) qidx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4423) qp = phba->sli4_hba.hdwq[qidx].io_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4424) if (qp && qp->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4425) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4426) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4427) qp, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4428) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4429) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4430) idiag.ptr_private = qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4431) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4435) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4436) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4437) case LPFC_IDIAG_MQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4438) /* MBX work queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4439) if (phba->sli4_hba.mbx_wq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4440) phba->sli4_hba.mbx_wq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4441) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4442) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4443) phba->sli4_hba.mbx_wq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4444) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4445) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4446) idiag.ptr_private = phba->sli4_hba.mbx_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4447) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4449) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4450) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4451) case LPFC_IDIAG_WQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4452) /* ELS work queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4453) if (phba->sli4_hba.els_wq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4454) phba->sli4_hba.els_wq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4455) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4456) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4457) phba->sli4_hba.els_wq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4458) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4459) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4460) idiag.ptr_private = phba->sli4_hba.els_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4461) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4462) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4463) /* NVME LS work queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4464) if (phba->sli4_hba.nvmels_wq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4465) phba->sli4_hba.nvmels_wq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4466) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4467) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4468) phba->sli4_hba.nvmels_wq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4469) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4470) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4471) idiag.ptr_private = phba->sli4_hba.nvmels_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4472) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4475) if (phba->sli4_hba.hdwq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4476) /* FCP/SCSI work queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4477) for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4478) qp = phba->sli4_hba.hdwq[qidx].io_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4479) if (qp && qp->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4480) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4481) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4482) qp, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4483) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4484) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4485) idiag.ptr_private = qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4486) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4488) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4491) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4492) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4493) case LPFC_IDIAG_RQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4494) /* HDR queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4495) if (phba->sli4_hba.hdr_rq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4496) phba->sli4_hba.hdr_rq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4497) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4498) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4499) phba->sli4_hba.hdr_rq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4500) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4501) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4502) idiag.ptr_private = phba->sli4_hba.hdr_rq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4503) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4504) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4505) /* DAT queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4506) if (phba->sli4_hba.dat_rq &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4507) phba->sli4_hba.dat_rq->queue_id == queid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4508) /* Sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4509) rc = lpfc_idiag_que_param_check(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4510) phba->sli4_hba.dat_rq, index, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4511) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4512) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4513) idiag.ptr_private = phba->sli4_hba.dat_rq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4514) goto pass_check;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4516) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4517) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4518) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4519) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4520) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4523) pass_check:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4525) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4526) if (count == LPFC_QUE_ACC_BROWSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4527) idiag.offset.last_rd = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4530) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4531) idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4532) idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4533) /* Additional sanity checks on write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4534) pque = (struct lpfc_queue *)idiag.ptr_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4535) if (offset > pque->entry_size/sizeof(uint32_t) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4536) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4537) pentry = lpfc_sli4_qe(pque, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4538) pentry += offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4539) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4540) *pentry = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4541) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_ST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4542) *pentry |= value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4543) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_QUEACC_CL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4544) *pentry &= ~value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4546) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4548) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4549) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4550) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4551) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4552) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4554) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4555) * lpfc_idiag_drbacc_read_reg - idiag debugfs read a doorbell register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4556) * @phba: The pointer to hba structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4557) * @pbuffer: The pointer to the buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4558) * @len: The length of bytes to copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4559) * @drbregid: The id to doorbell registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4560) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4561) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4562) * This routine reads a doorbell register and copies its content to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4563) * user buffer pointed to by @pbuffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4564) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4565) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4566) * This function returns the amount of data that was copied into @pbuffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4567) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4568) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4569) lpfc_idiag_drbacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4570) int len, uint32_t drbregid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4571) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4573) if (!pbuffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4574) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4576) switch (drbregid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4577) case LPFC_DRB_EQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4578) len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4579) "EQ-DRB-REG: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4580) readl(phba->sli4_hba.EQDBregaddr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4581) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4582) case LPFC_DRB_CQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4583) len += scnprintf(pbuffer + len, LPFC_DRB_ACC_BUF_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4584) "CQ-DRB-REG: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4585) readl(phba->sli4_hba.CQDBregaddr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4586) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4587) case LPFC_DRB_MQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4588) len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4589) "MQ-DRB-REG: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4590) readl(phba->sli4_hba.MQDBregaddr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4591) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4592) case LPFC_DRB_WQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4593) len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4594) "WQ-DRB-REG: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4595) readl(phba->sli4_hba.WQDBregaddr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4596) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4597) case LPFC_DRB_RQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4598) len += scnprintf(pbuffer+len, LPFC_DRB_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4599) "RQ-DRB-REG: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4600) readl(phba->sli4_hba.RQDBregaddr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4601) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4602) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4603) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4606) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4609) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4610) * lpfc_idiag_drbacc_read - idiag debugfs read port doorbell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4611) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4612) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4613) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4614) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4615) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4616) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4617) * This routine reads data from the @phba device doorbell register according
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4618) * to the idiag command, and copies to user @buf. Depending on the doorbell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4619) * register read command setup, it does either a single doorbell register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4620) * read or dump all doorbell registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4621) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4622) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4623) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4624) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4625) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4626) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4627) lpfc_idiag_drbacc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4628) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4630) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4631) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4632) uint32_t drb_reg_id, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4633) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4634) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4636) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4637) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4639) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4640) debug->buffer = kmalloc(LPFC_DRB_ACC_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4641) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4642) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4643) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4645) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4646) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4648) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4649) drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4650) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4651) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4653) if (drb_reg_id == LPFC_DRB_ACC_ALL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4654) for (i = 1; i <= LPFC_DRB_MAX; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4655) len = lpfc_idiag_drbacc_read_reg(phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4656) pbuffer, len, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4657) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4658) len = lpfc_idiag_drbacc_read_reg(phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4659) pbuffer, len, drb_reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4661) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4662) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4664) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4665) * lpfc_idiag_drbacc_write - Syntax check and set up idiag drbacc commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4666) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4667) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4668) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4669) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4670) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4671) * This routine get the debugfs idiag command struct from user space and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4672) * perform the syntax check for port doorbell register read (dump) or write
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4673) * (set) command accordingly. In the case of port queue read command, it sets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4674) * up the command in the idiag command struct for the following debugfs read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4675) * operation. In the case of port doorbell register write operation, it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4676) * executes the write operation into the port doorbell register accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4677) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4678) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4679) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4680) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4681) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4682) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4683) lpfc_idiag_drbacc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4684) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4685) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4686) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4687) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4688) uint32_t drb_reg_id, value, reg_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4689) void __iomem *drb_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4690) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4692) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4693) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4695) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4696) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4697) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4699) /* Sanity check on command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4700) drb_reg_id = idiag.cmd.data[IDIAG_DRBACC_REGID_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4701) value = idiag.cmd.data[IDIAG_DRBACC_VALUE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4703) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4704) idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4705) idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4706) if (rc != LPFC_DRB_ACC_WR_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4707) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4708) if (drb_reg_id > LPFC_DRB_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4709) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4710) } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4711) if (rc != LPFC_DRB_ACC_RD_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4712) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4713) if ((drb_reg_id > LPFC_DRB_MAX) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4714) (drb_reg_id != LPFC_DRB_ACC_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4715) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4716) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4717) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4719) /* Perform the write access operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4720) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4721) idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4722) idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4723) switch (drb_reg_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4724) case LPFC_DRB_EQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4725) drb_reg = phba->sli4_hba.EQDBregaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4726) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4727) case LPFC_DRB_CQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4728) drb_reg = phba->sli4_hba.CQDBregaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4729) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4730) case LPFC_DRB_MQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4731) drb_reg = phba->sli4_hba.MQDBregaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4732) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4733) case LPFC_DRB_WQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4734) drb_reg = phba->sli4_hba.WQDBregaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4735) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4736) case LPFC_DRB_RQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4737) drb_reg = phba->sli4_hba.RQDBregaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4738) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4739) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4740) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4741) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4743) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4744) reg_val = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4745) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4746) reg_val = readl(drb_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4747) reg_val |= value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4749) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_DRBACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4750) reg_val = readl(drb_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4751) reg_val &= ~value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4753) writel(reg_val, drb_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4754) readl(drb_reg); /* flush */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4756) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4758) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4759) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4760) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4761) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4764) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4765) * lpfc_idiag_ctlacc_read_reg - idiag debugfs read a control registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4766) * @phba: The pointer to hba structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4767) * @pbuffer: The pointer to the buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4768) * @len: The length of bytes to copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4769) * @drbregid: The id to doorbell registers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4770) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4771) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4772) * This routine reads a control register and copies its content to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4773) * user buffer pointed to by @pbuffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4774) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4775) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4776) * This function returns the amount of data that was copied into @pbuffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4777) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4778) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4779) lpfc_idiag_ctlacc_read_reg(struct lpfc_hba *phba, char *pbuffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4780) int len, uint32_t ctlregid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4781) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4783) if (!pbuffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4784) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4785)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4786) switch (ctlregid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4787) case LPFC_CTL_PORT_SEM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4788) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4789) "Port SemReg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4790) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4791) LPFC_CTL_PORT_SEM_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4792) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4793) case LPFC_CTL_PORT_STA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4794) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4795) "Port StaReg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4796) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4797) LPFC_CTL_PORT_STA_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4798) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4799) case LPFC_CTL_PORT_CTL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4800) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4801) "Port CtlReg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4802) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4803) LPFC_CTL_PORT_CTL_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4804) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4805) case LPFC_CTL_PORT_ER1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4806) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4807) "Port Er1Reg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4808) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4809) LPFC_CTL_PORT_ER1_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4810) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4811) case LPFC_CTL_PORT_ER2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4812) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4813) "Port Er2Reg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4814) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4815) LPFC_CTL_PORT_ER2_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4816) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4817) case LPFC_CTL_PDEV_CTL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4818) len += scnprintf(pbuffer+len, LPFC_CTL_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4819) "PDev CtlReg: 0x%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4820) readl(phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4821) LPFC_CTL_PDEV_CTL_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4822) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4823) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4824) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4826) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4827) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4829) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4830) * lpfc_idiag_ctlacc_read - idiag debugfs read port and device control register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4831) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4832) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4833) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4834) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4835) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4836) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4837) * This routine reads data from the @phba port and device registers according
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4838) * to the idiag command, and copies to user @buf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4839) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4840) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4841) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4842) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4843) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4844) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4845) lpfc_idiag_ctlacc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4846) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4847) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4848) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4849) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4850) uint32_t ctl_reg_id, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4851) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4852) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4853)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4854) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4855) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4857) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4858) debug->buffer = kmalloc(LPFC_CTL_ACC_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4859) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4860) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4861) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4863) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4864) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4866) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4867) ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4868) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4869) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4871) if (ctl_reg_id == LPFC_CTL_ACC_ALL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4872) for (i = 1; i <= LPFC_CTL_MAX; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4873) len = lpfc_idiag_ctlacc_read_reg(phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4874) pbuffer, len, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4875) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4876) len = lpfc_idiag_ctlacc_read_reg(phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4877) pbuffer, len, ctl_reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4879) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4882) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4883) * lpfc_idiag_ctlacc_write - Syntax check and set up idiag ctlacc commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4884) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4885) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4886) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4887) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4888) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4889) * This routine get the debugfs idiag command struct from user space and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4890) * perform the syntax check for port and device control register read (dump)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4891) * or write (set) command accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4892) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4893) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4894) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4895) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4896) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4897) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4898) lpfc_idiag_ctlacc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4899) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4900) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4901) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4902) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4903) uint32_t ctl_reg_id, value, reg_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4904) void __iomem *ctl_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4905) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4907) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4908) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4910) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4911) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4912) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4913)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4914) /* Sanity check on command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4915) ctl_reg_id = idiag.cmd.data[IDIAG_CTLACC_REGID_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4916) value = idiag.cmd.data[IDIAG_CTLACC_VALUE_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4918) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4919) idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4920) idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4921) if (rc != LPFC_CTL_ACC_WR_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4922) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4923) if (ctl_reg_id > LPFC_CTL_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4924) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4925) } else if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_RD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4926) if (rc != LPFC_CTL_ACC_RD_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4927) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4928) if ((ctl_reg_id > LPFC_CTL_MAX) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4929) (ctl_reg_id != LPFC_CTL_ACC_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4930) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4931) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4932) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4934) /* Perform the write access operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4935) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4936) idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4937) idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4938) switch (ctl_reg_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4939) case LPFC_CTL_PORT_SEM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4940) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4941) LPFC_CTL_PORT_SEM_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4942) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4943) case LPFC_CTL_PORT_STA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4944) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4945) LPFC_CTL_PORT_STA_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4946) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4947) case LPFC_CTL_PORT_CTL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4948) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4949) LPFC_CTL_PORT_CTL_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4950) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4951) case LPFC_CTL_PORT_ER1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4952) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4953) LPFC_CTL_PORT_ER1_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4954) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4955) case LPFC_CTL_PORT_ER2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4956) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4957) LPFC_CTL_PORT_ER2_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4958) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4959) case LPFC_CTL_PDEV_CTL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4960) ctl_reg = phba->sli4_hba.conf_regs_memmap_p +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4961) LPFC_CTL_PDEV_CTL_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4962) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4963) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4964) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4965) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4967) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_WR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4968) reg_val = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4969) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_ST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4970) reg_val = readl(ctl_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4971) reg_val |= value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4972) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4973) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_CTLACC_CL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4974) reg_val = readl(ctl_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4975) reg_val &= ~value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4976) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4977) writel(reg_val, ctl_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4978) readl(ctl_reg); /* flush */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4980) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4982) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4983) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4984) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4985) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4986) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4988) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4989) * lpfc_idiag_mbxacc_get_setup - idiag debugfs get mailbox access setup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4990) * @phba: Pointer to HBA context object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4991) * @pbuffer: Pointer to data buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4992) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4993) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4994) * This routine gets the driver mailbox access debugfs setup information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4995) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4996) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4997) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4998) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4999) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5000) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5001) lpfc_idiag_mbxacc_get_setup(struct lpfc_hba *phba, char *pbuffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5002) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5003) uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5004) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5006) mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5007) mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5008) mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5009) mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5010)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5011) len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5012) "mbx_dump_map: 0x%08x\n", mbx_dump_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5013) len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5014) "mbx_dump_cnt: %04d\n", mbx_dump_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5015) len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5016) "mbx_word_cnt: %04d\n", mbx_word_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5017) len += scnprintf(pbuffer+len, LPFC_MBX_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5018) "mbx_mbox_cmd: 0x%02x\n", mbx_mbox_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5020) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5021) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5023) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5024) * lpfc_idiag_mbxacc_read - idiag debugfs read on mailbox access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5025) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5026) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5027) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5028) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5029) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5030) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5031) * This routine reads data from the @phba driver mailbox access debugfs setup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5032) * information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5033) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5034) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5035) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5036) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5037) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5038) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5039) lpfc_idiag_mbxacc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5040) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5041) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5042) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5043) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5044) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5045) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5047) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5048) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5050) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5051) debug->buffer = kmalloc(LPFC_MBX_ACC_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5052) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5053) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5054) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5056) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5057) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5059) if ((idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5060) (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5061) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5063) len = lpfc_idiag_mbxacc_get_setup(phba, pbuffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5065) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5066) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5068) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5069) * lpfc_idiag_mbxacc_write - Syntax check and set up idiag mbxacc commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5070) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5071) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5072) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5073) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5074) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5075) * This routine get the debugfs idiag command struct from user space and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5076) * perform the syntax check for driver mailbox command (dump) and sets up the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5077) * necessary states in the idiag command struct accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5078) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5079) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5080) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5081) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5082) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5083) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5084) lpfc_idiag_mbxacc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5085) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5086) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5087) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5088) uint32_t mbx_dump_map, mbx_dump_cnt, mbx_word_cnt, mbx_mbox_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5089) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5091) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5092) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5094) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5095) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5096) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5098) /* Sanity check on command line arguments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5099) mbx_mbox_cmd = idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5100) mbx_dump_map = idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5101) mbx_dump_cnt = idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5102) mbx_word_cnt = idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5104) if (idiag.cmd.opcode == LPFC_IDIAG_CMD_MBXACC_DP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5105) if (!(mbx_dump_map & LPFC_MBX_DMP_MBX_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5106) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5107) if ((mbx_dump_map & ~LPFC_MBX_DMP_MBX_ALL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5108) (mbx_dump_map != LPFC_MBX_DMP_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5109) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5110) if (mbx_word_cnt > sizeof(MAILBOX_t))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5111) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5112) } else if (idiag.cmd.opcode == LPFC_IDIAG_BSG_MBXACC_DP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5113) if (!(mbx_dump_map & LPFC_BSG_DMP_MBX_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5114) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5115) if ((mbx_dump_map & ~LPFC_BSG_DMP_MBX_ALL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5116) (mbx_dump_map != LPFC_MBX_DMP_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5117) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5118) if (mbx_word_cnt > (BSG_MBOX_SIZE)/4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5119) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5120) if (mbx_mbox_cmd != 0x9b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5121) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5122) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5123) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5125) if (mbx_word_cnt == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5126) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5127) if (rc != LPFC_MBX_DMP_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5128) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5129) if (mbx_mbox_cmd & ~0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5130) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5132) /* condition for stop mailbox dump */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5133) if (mbx_dump_cnt == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5134) goto reset_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5136) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5138) reset_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5139) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5140) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5141) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5143) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5144) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5145) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5146) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5149) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5150) * lpfc_idiag_extacc_avail_get - get the available extents information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5151) * @phba: pointer to lpfc hba data structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5152) * @pbuffer: pointer to internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5153) * @len: length into the internal buffer data has been copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5154) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5155) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5156) * This routine is to get the available extent information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5157) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5158) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5159) * overall lenth of the data read into the internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5160) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5161) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5162) lpfc_idiag_extacc_avail_get(struct lpfc_hba *phba, char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5164) uint16_t ext_cnt, ext_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5166) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5167) "\nAvailable Extents Information:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5169) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5170) "\tPort Available VPI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5171) lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VPI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5172) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5173) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5174) "Count %3d, Size %3d\n", ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5176) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5177) "\tPort Available VFI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5178) lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_VFI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5179) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5180) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5181) "Count %3d, Size %3d\n", ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5183) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5184) "\tPort Available RPI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5185) lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_RPI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5186) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5187) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5188) "Count %3d, Size %3d\n", ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5190) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5191) "\tPort Available XRI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5192) lpfc_sli4_get_avail_extnt_rsrc(phba, LPFC_RSC_TYPE_FCOE_XRI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5193) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5194) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5195) "Count %3d, Size %3d\n", ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5197) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5200) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5201) * lpfc_idiag_extacc_alloc_get - get the allocated extents information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5202) * @phba: pointer to lpfc hba data structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5203) * @pbuffer: pointer to internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5204) * @len: length into the internal buffer data has been copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5205) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5206) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5207) * This routine is to get the allocated extent information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5208) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5209) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5210) * overall lenth of the data read into the internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5211) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5212) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5213) lpfc_idiag_extacc_alloc_get(struct lpfc_hba *phba, char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5215) uint16_t ext_cnt, ext_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5216) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5218) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5219) "\nAllocated Extents Information:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5221) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5222) "\tHost Allocated VPI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5223) rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VPI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5224) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5225) if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5226) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5227) "Port %d Extent %3d, Size %3d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5228) phba->brd_no, ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5229) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5230) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5231) "N/A\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5233) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5234) "\tHost Allocated VFI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5235) rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_VFI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5236) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5237) if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5238) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5239) "Port %d Extent %3d, Size %3d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5240) phba->brd_no, ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5241) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5242) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5243) "N/A\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5245) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5246) "\tHost Allocated RPI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5247) rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_RPI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5248) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5249) if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5250) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5251) "Port %d Extent %3d, Size %3d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5252) phba->brd_no, ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5253) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5254) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5255) "N/A\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5257) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5258) "\tHost Allocated XRI extents: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5259) rc = lpfc_sli4_get_allocated_extnts(phba, LPFC_RSC_TYPE_FCOE_XRI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5260) &ext_cnt, &ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5261) if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5262) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5263) "Port %d Extent %3d, Size %3d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5264) phba->brd_no, ext_cnt, ext_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5265) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5266) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5267) "N/A\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5269) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5272) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5273) * lpfc_idiag_extacc_drivr_get - get driver extent information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5274) * @phba: pointer to lpfc hba data structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5275) * @pbuffer: pointer to internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5276) * @len: length into the internal buffer data has been copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5277) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5278) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5279) * This routine is to get the driver extent information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5280) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5281) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5282) * overall lenth of the data read into the internal buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5283) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5284) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5285) lpfc_idiag_extacc_drivr_get(struct lpfc_hba *phba, char *pbuffer, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5287) struct lpfc_rsrc_blks *rsrc_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5288) int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5290) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5291) "\nDriver Extents Information:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5293) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5294) "\tVPI extents:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5295) index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5296) list_for_each_entry(rsrc_blks, &phba->lpfc_vpi_blk_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5297) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5298) "\t\tBlock %3d: Start %4d, Count %4d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5299) index, rsrc_blks->rsrc_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5300) rsrc_blks->rsrc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5301) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5303) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5304) "\tVFI extents:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5305) index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5306) list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_vfi_blk_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5307) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5308) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5309) "\t\tBlock %3d: Start %4d, Count %4d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5310) index, rsrc_blks->rsrc_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5311) rsrc_blks->rsrc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5312) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5315) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5316) "\tRPI extents:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5317) index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5318) list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_rpi_blk_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5319) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5320) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5321) "\t\tBlock %3d: Start %4d, Count %4d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5322) index, rsrc_blks->rsrc_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5323) rsrc_blks->rsrc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5324) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5327) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5328) "\tXRI extents:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5329) index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5330) list_for_each_entry(rsrc_blks, &phba->sli4_hba.lpfc_xri_blk_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5331) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5332) len += scnprintf(pbuffer+len, LPFC_EXT_ACC_BUF_SIZE-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5333) "\t\tBlock %3d: Start %4d, Count %4d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5334) index, rsrc_blks->rsrc_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5335) rsrc_blks->rsrc_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5336) index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5339) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5342) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5343) * lpfc_idiag_extacc_write - Syntax check and set up idiag extacc commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5344) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5345) * @buf: The buffer to copy the user data from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5346) * @nbytes: The number of bytes to get.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5347) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5348) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5349) * This routine get the debugfs idiag command struct from user space and then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5350) * perform the syntax check for extent information access commands and sets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5351) * up the necessary states in the idiag command struct accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5352) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5353) * It returns the @nbytges passing in from debugfs user space when successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5354) * In case of error conditions, it returns proper error code back to the user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5355) * space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5356) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5357) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5358) lpfc_idiag_extacc_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5359) size_t nbytes, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5361) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5362) uint32_t ext_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5363) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5365) /* This is a user write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5366) debug->op = LPFC_IDIAG_OP_WR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5368) rc = lpfc_idiag_cmd_get(buf, nbytes, &idiag.cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5369) if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5370) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5372) ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5374) if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5375) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5376) if (rc != LPFC_EXT_ACC_CMD_ARG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5377) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5378) if (!(ext_map & LPFC_EXT_ACC_ALL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5379) goto error_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5381) return nbytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5382) error_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5383) /* Clean out command structure on command error out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5384) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5385) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5388) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5389) * lpfc_idiag_extacc_read - idiag debugfs read access to extent information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5390) * @file: The file pointer to read from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5391) * @buf: The buffer to copy the data to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5392) * @nbytes: The number of bytes to read.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5393) * @ppos: The position in the file to start reading from.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5394) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5395) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5396) * This routine reads data from the proper extent information according to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5397) * the idiag command, and copies to user @buf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5398) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5399) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5400) * This function returns the amount of data that was read (this could be less
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5401) * than @nbytes if the end of the file was reached) or a negative error value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5402) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5403) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5404) lpfc_idiag_extacc_read(struct file *file, char __user *buf, size_t nbytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5405) loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5406) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5407) struct lpfc_debug *debug = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5408) struct lpfc_hba *phba = (struct lpfc_hba *)debug->i_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5409) char *pbuffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5410) uint32_t ext_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5411) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5413) /* This is a user read operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5414) debug->op = LPFC_IDIAG_OP_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5416) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5417) debug->buffer = kmalloc(LPFC_EXT_ACC_BUF_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5418) if (!debug->buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5419) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5420) pbuffer = debug->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5421) if (*ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5422) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5423) if (idiag.cmd.opcode != LPFC_IDIAG_CMD_EXTACC_RD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5424) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5426) ext_map = idiag.cmd.data[IDIAG_EXTACC_EXMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5427) if (ext_map & LPFC_EXT_ACC_AVAIL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5428) len = lpfc_idiag_extacc_avail_get(phba, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5429) if (ext_map & LPFC_EXT_ACC_ALLOC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5430) len = lpfc_idiag_extacc_alloc_get(phba, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5431) if (ext_map & LPFC_EXT_ACC_DRIVR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5432) len = lpfc_idiag_extacc_drivr_get(phba, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5434) return simple_read_from_buffer(buf, nbytes, ppos, pbuffer, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5437) #undef lpfc_debugfs_op_disc_trc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5438) static const struct file_operations lpfc_debugfs_op_disc_trc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5439) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5440) .open = lpfc_debugfs_disc_trc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5441) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5442) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5443) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5444) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5446) #undef lpfc_debugfs_op_nodelist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5447) static const struct file_operations lpfc_debugfs_op_nodelist = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5448) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5449) .open = lpfc_debugfs_nodelist_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5450) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5451) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5452) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5453) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5455) #undef lpfc_debugfs_op_multixripools
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5456) static const struct file_operations lpfc_debugfs_op_multixripools = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5457) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5458) .open = lpfc_debugfs_multixripools_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5459) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5460) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5461) .write = lpfc_debugfs_multixripools_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5462) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5463) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5465) #undef lpfc_debugfs_op_hbqinfo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5466) static const struct file_operations lpfc_debugfs_op_hbqinfo = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5467) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5468) .open = lpfc_debugfs_hbqinfo_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5469) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5470) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5471) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5472) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5474) #ifdef LPFC_HDWQ_LOCK_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5475) #undef lpfc_debugfs_op_lockstat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5476) static const struct file_operations lpfc_debugfs_op_lockstat = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5477) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5478) .open = lpfc_debugfs_lockstat_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5479) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5480) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5481) .write = lpfc_debugfs_lockstat_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5482) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5483) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5484) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5486) #undef lpfc_debugfs_ras_log
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5487) static const struct file_operations lpfc_debugfs_ras_log = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5488) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5489) .open = lpfc_debugfs_ras_log_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5490) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5491) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5492) .release = lpfc_debugfs_ras_log_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5493) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5495) #undef lpfc_debugfs_op_dumpHBASlim
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5496) static const struct file_operations lpfc_debugfs_op_dumpHBASlim = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5497) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5498) .open = lpfc_debugfs_dumpHBASlim_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5499) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5500) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5501) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5502) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5504) #undef lpfc_debugfs_op_dumpHostSlim
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5505) static const struct file_operations lpfc_debugfs_op_dumpHostSlim = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5506) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5507) .open = lpfc_debugfs_dumpHostSlim_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5508) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5509) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5510) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5511) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5513) #undef lpfc_debugfs_op_nvmestat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5514) static const struct file_operations lpfc_debugfs_op_nvmestat = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5515) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5516) .open = lpfc_debugfs_nvmestat_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5517) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5518) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5519) .write = lpfc_debugfs_nvmestat_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5520) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5521) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5523) #undef lpfc_debugfs_op_scsistat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5524) static const struct file_operations lpfc_debugfs_op_scsistat = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5525) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5526) .open = lpfc_debugfs_scsistat_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5527) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5528) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5529) .write = lpfc_debugfs_scsistat_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5530) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5531) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5533) #undef lpfc_debugfs_op_ioktime
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5534) static const struct file_operations lpfc_debugfs_op_ioktime = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5535) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5536) .open = lpfc_debugfs_ioktime_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5537) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5538) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5539) .write = lpfc_debugfs_ioktime_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5540) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5541) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5542)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5543) #undef lpfc_debugfs_op_nvmeio_trc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5544) static const struct file_operations lpfc_debugfs_op_nvmeio_trc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5545) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5546) .open = lpfc_debugfs_nvmeio_trc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5547) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5548) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5549) .write = lpfc_debugfs_nvmeio_trc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5550) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5551) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5553) #undef lpfc_debugfs_op_hdwqstat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5554) static const struct file_operations lpfc_debugfs_op_hdwqstat = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5555) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5556) .open = lpfc_debugfs_hdwqstat_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5557) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5558) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5559) .write = lpfc_debugfs_hdwqstat_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5560) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5561) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5562)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5563) #undef lpfc_debugfs_op_dif_err
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5564) static const struct file_operations lpfc_debugfs_op_dif_err = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5565) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5566) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5567) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5568) .read = lpfc_debugfs_dif_err_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5569) .write = lpfc_debugfs_dif_err_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5570) .release = lpfc_debugfs_dif_err_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5571) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5573) #undef lpfc_debugfs_op_slow_ring_trc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5574) static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5575) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5576) .open = lpfc_debugfs_slow_ring_trc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5577) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5578) .read = lpfc_debugfs_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5579) .release = lpfc_debugfs_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5580) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5582) static struct dentry *lpfc_debugfs_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5583) static atomic_t lpfc_debugfs_hba_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5585) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5586) * File operations for the iDiag debugfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5587) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5588) #undef lpfc_idiag_op_pciCfg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5589) static const struct file_operations lpfc_idiag_op_pciCfg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5590) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5591) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5592) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5593) .read = lpfc_idiag_pcicfg_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5594) .write = lpfc_idiag_pcicfg_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5595) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5596) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5598) #undef lpfc_idiag_op_barAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5599) static const struct file_operations lpfc_idiag_op_barAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5600) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5601) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5602) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5603) .read = lpfc_idiag_baracc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5604) .write = lpfc_idiag_baracc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5605) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5606) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5608) #undef lpfc_idiag_op_queInfo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5609) static const struct file_operations lpfc_idiag_op_queInfo = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5610) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5611) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5612) .read = lpfc_idiag_queinfo_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5613) .release = lpfc_idiag_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5614) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5616) #undef lpfc_idiag_op_queAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5617) static const struct file_operations lpfc_idiag_op_queAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5618) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5619) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5620) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5621) .read = lpfc_idiag_queacc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5622) .write = lpfc_idiag_queacc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5623) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5624) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5626) #undef lpfc_idiag_op_drbAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5627) static const struct file_operations lpfc_idiag_op_drbAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5628) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5629) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5630) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5631) .read = lpfc_idiag_drbacc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5632) .write = lpfc_idiag_drbacc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5633) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5634) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5636) #undef lpfc_idiag_op_ctlAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5637) static const struct file_operations lpfc_idiag_op_ctlAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5638) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5639) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5640) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5641) .read = lpfc_idiag_ctlacc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5642) .write = lpfc_idiag_ctlacc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5643) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5644) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5646) #undef lpfc_idiag_op_mbxAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5647) static const struct file_operations lpfc_idiag_op_mbxAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5648) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5649) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5650) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5651) .read = lpfc_idiag_mbxacc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5652) .write = lpfc_idiag_mbxacc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5653) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5654) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5656) #undef lpfc_idiag_op_extAcc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5657) static const struct file_operations lpfc_idiag_op_extAcc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5658) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5659) .open = lpfc_idiag_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5660) .llseek = lpfc_debugfs_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5661) .read = lpfc_idiag_extacc_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5662) .write = lpfc_idiag_extacc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5663) .release = lpfc_idiag_cmd_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5664) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5665) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5667) /* lpfc_idiag_mbxacc_dump_bsg_mbox - idiag debugfs dump bsg mailbox command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5668) * @phba: Pointer to HBA context object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5669) * @dmabuf: Pointer to a DMA buffer descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5670) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5671) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5672) * This routine dump a bsg pass-through non-embedded mailbox command with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5673) * external buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5674) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5675) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5676) lpfc_idiag_mbxacc_dump_bsg_mbox(struct lpfc_hba *phba, enum nemb_type nemb_tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5677) enum mbox_type mbox_tp, enum dma_type dma_tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5678) enum sta_type sta_tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5679) struct lpfc_dmabuf *dmabuf, uint32_t ext_buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5680) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5681) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5682) uint32_t *mbx_mbox_cmd, *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5683) char line_buf[LPFC_MBX_ACC_LBUF_SZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5684) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5685) uint32_t do_dump = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5686) uint32_t *pword;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5687) uint32_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5689) if (idiag.cmd.opcode != LPFC_IDIAG_BSG_MBXACC_DP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5690) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5692) mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5693) mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5694) mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5695) mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5697) if (!(*mbx_dump_map & LPFC_MBX_DMP_ALL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5698) (*mbx_dump_cnt == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5699) (*mbx_word_cnt == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5700) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5702) if (*mbx_mbox_cmd != 0x9B)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5703) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5705) if ((mbox_tp == mbox_rd) && (dma_tp == dma_mbox)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5706) if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_MBX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5707) do_dump |= LPFC_BSG_DMP_MBX_RD_MBX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5708) pr_err("\nRead mbox command (x%x), "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5709) "nemb:0x%x, extbuf_cnt:%d:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5710) sta_tp, nemb_tp, ext_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5713) if ((mbox_tp == mbox_rd) && (dma_tp == dma_ebuf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5714) if (*mbx_dump_map & LPFC_BSG_DMP_MBX_RD_BUF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5715) do_dump |= LPFC_BSG_DMP_MBX_RD_BUF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5716) pr_err("\nRead mbox buffer (x%x), "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5717) "nemb:0x%x, extbuf_seq:%d:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5718) sta_tp, nemb_tp, ext_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5721) if ((mbox_tp == mbox_wr) && (dma_tp == dma_mbox)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5722) if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_MBX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5723) do_dump |= LPFC_BSG_DMP_MBX_WR_MBX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5724) pr_err("\nWrite mbox command (x%x), "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5725) "nemb:0x%x, extbuf_cnt:%d:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5726) sta_tp, nemb_tp, ext_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5729) if ((mbox_tp == mbox_wr) && (dma_tp == dma_ebuf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5730) if (*mbx_dump_map & LPFC_BSG_DMP_MBX_WR_BUF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5731) do_dump |= LPFC_BSG_DMP_MBX_WR_BUF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5732) pr_err("\nWrite mbox buffer (x%x), "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5733) "nemb:0x%x, extbuf_seq:%d:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5734) sta_tp, nemb_tp, ext_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5736) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5738) /* dump buffer content */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5739) if (do_dump) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5740) pword = (uint32_t *)dmabuf->virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5741) for (i = 0; i < *mbx_word_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5742) if (!(i % 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5743) if (i != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5744) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5745) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5746) len += scnprintf(line_buf+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5747) LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5748) "%03d: ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5749) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5750) len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5751) "%08x ", (uint32_t)*pword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5752) pword++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5754) if ((i - 1) % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5755) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5756) (*mbx_dump_cnt)--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5759) /* Clean out command structure on reaching dump count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5760) if (*mbx_dump_cnt == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5761) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5762) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5763) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5766) /* lpfc_idiag_mbxacc_dump_issue_mbox - idiag debugfs dump issue mailbox command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5767) * @phba: Pointer to HBA context object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5768) * @dmabuf: Pointer to a DMA buffer descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5769) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5770) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5771) * This routine dump a pass-through non-embedded mailbox command from issue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5772) * mailbox command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5773) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5774) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5775) lpfc_idiag_mbxacc_dump_issue_mbox(struct lpfc_hba *phba, MAILBOX_t *pmbox)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5776) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5777) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5778) uint32_t *mbx_dump_map, *mbx_dump_cnt, *mbx_word_cnt, *mbx_mbox_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5779) char line_buf[LPFC_MBX_ACC_LBUF_SZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5780) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5781) uint32_t *pword;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5782) uint8_t *pbyte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5783) uint32_t i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5785) if (idiag.cmd.opcode != LPFC_IDIAG_CMD_MBXACC_DP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5786) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5788) mbx_mbox_cmd = &idiag.cmd.data[IDIAG_MBXACC_MBCMD_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5789) mbx_dump_map = &idiag.cmd.data[IDIAG_MBXACC_DPMAP_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5790) mbx_dump_cnt = &idiag.cmd.data[IDIAG_MBXACC_DPCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5791) mbx_word_cnt = &idiag.cmd.data[IDIAG_MBXACC_WDCNT_INDX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5793) if (!(*mbx_dump_map & LPFC_MBX_DMP_MBX_ALL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5794) (*mbx_dump_cnt == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5795) (*mbx_word_cnt == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5796) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5798) if ((*mbx_mbox_cmd != LPFC_MBX_ALL_CMD) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5799) (*mbx_mbox_cmd != pmbox->mbxCommand))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5800) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5802) /* dump buffer content */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5803) if (*mbx_dump_map & LPFC_MBX_DMP_MBX_WORD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5804) pr_err("Mailbox command:0x%x dump by word:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5805) pmbox->mbxCommand);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5806) pword = (uint32_t *)pmbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5807) for (i = 0; i < *mbx_word_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5808) if (!(i % 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5809) if (i != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5810) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5811) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5812) memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5813) len += scnprintf(line_buf+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5814) LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5815) "%03d: ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5817) len += scnprintf(line_buf+len, LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5818) "%08x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5819) ((uint32_t)*pword) & 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5820) pword++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5821) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5822) if ((i - 1) % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5823) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5824) pr_err("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5826) if (*mbx_dump_map & LPFC_MBX_DMP_MBX_BYTE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5827) pr_err("Mailbox command:0x%x dump by byte:\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5828) pmbox->mbxCommand);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5829) pbyte = (uint8_t *)pmbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5830) for (i = 0; i < *mbx_word_cnt; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5831) if (!(i % 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5832) if (i != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5833) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5834) len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5835) memset(line_buf, 0, LPFC_MBX_ACC_LBUF_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5836) len += scnprintf(line_buf+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5837) LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5838) "%03d: ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5840) for (j = 0; j < 4; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5841) len += scnprintf(line_buf+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5842) LPFC_MBX_ACC_LBUF_SZ-len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5843) "%02x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5844) ((uint8_t)*pbyte) & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5845) pbyte++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5846) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5847) len += scnprintf(line_buf+len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5848) LPFC_MBX_ACC_LBUF_SZ-len, " ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5850) if ((i - 1) % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5851) pr_err("%s\n", line_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5852) pr_err("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5854) (*mbx_dump_cnt)--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5856) /* Clean out command structure on reaching dump count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5857) if (*mbx_dump_cnt == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5858) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5859) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5860) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5861) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5863) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5864) * lpfc_debugfs_initialize - Initialize debugfs for a vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5865) * @vport: The vport pointer to initialize.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5866) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5867) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5868) * When Debugfs is configured this routine sets up the lpfc debugfs file system.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5869) * If not already created, this routine will create the lpfc directory, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5870) * lpfcX directory (for this HBA), and vportX directory for this vport. It will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5871) * also create each file used to access lpfc specific debugfs information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5872) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5873) inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5874) lpfc_debugfs_initialize(struct lpfc_vport *vport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5875) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5876) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5877) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5878) char name[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5879) uint32_t num, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5880) bool pport_setup = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5882) if (!lpfc_debugfs_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5883) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5885) /* Setup lpfc root directory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5886) if (!lpfc_debugfs_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5887) lpfc_debugfs_root = debugfs_create_dir("lpfc", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5888) atomic_set(&lpfc_debugfs_hba_count, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5890) if (!lpfc_debugfs_start_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5891) lpfc_debugfs_start_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5893) /* Setup funcX directory for specific HBA PCI function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5894) snprintf(name, sizeof(name), "fn%d", phba->brd_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5895) if (!phba->hba_debugfs_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5896) pport_setup = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5897) phba->hba_debugfs_root =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5898) debugfs_create_dir(name, lpfc_debugfs_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5899) atomic_inc(&lpfc_debugfs_hba_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5900) atomic_set(&phba->debugfs_vport_count, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5902) /* Multi-XRI pools */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5903) snprintf(name, sizeof(name), "multixripools");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5904) phba->debug_multixri_pools =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5905) debugfs_create_file(name, S_IFREG | 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5906) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5907) phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5908) &lpfc_debugfs_op_multixripools);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5909) if (!phba->debug_multixri_pools) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5910) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5911) "0527 Cannot create debugfs multixripools\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5912) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5915) /* RAS log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5916) snprintf(name, sizeof(name), "ras_log");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5917) phba->debug_ras_log =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5918) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5919) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5920) phba, &lpfc_debugfs_ras_log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5921) if (!phba->debug_ras_log) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5922) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5923) "6148 Cannot create debugfs"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5924) " ras_log\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5925) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5926) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5928) /* Setup hbqinfo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5929) snprintf(name, sizeof(name), "hbqinfo");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5930) phba->debug_hbqinfo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5931) debugfs_create_file(name, S_IFREG | 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5932) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5933) phba, &lpfc_debugfs_op_hbqinfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5935) #ifdef LPFC_HDWQ_LOCK_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5936) /* Setup lockstat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5937) snprintf(name, sizeof(name), "lockstat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5938) phba->debug_lockstat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5939) debugfs_create_file(name, S_IFREG | 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5940) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5941) phba, &lpfc_debugfs_op_lockstat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5942) if (!phba->debug_lockstat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5943) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5944) "4610 Can't create debugfs lockstat\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5945) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5947) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5949) /* Setup dumpHBASlim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5950) if (phba->sli_rev < LPFC_SLI_REV4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5951) snprintf(name, sizeof(name), "dumpHBASlim");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5952) phba->debug_dumpHBASlim =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5953) debugfs_create_file(name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5954) S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5955) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5956) phba, &lpfc_debugfs_op_dumpHBASlim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5957) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5958) phba->debug_dumpHBASlim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5960) /* Setup dumpHostSlim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5961) if (phba->sli_rev < LPFC_SLI_REV4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5962) snprintf(name, sizeof(name), "dumpHostSlim");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5963) phba->debug_dumpHostSlim =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5964) debugfs_create_file(name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5965) S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5966) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5967) phba, &lpfc_debugfs_op_dumpHostSlim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5968) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5969) phba->debug_dumpHostSlim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5971) /* Setup DIF Error Injections */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5972) snprintf(name, sizeof(name), "InjErrLBA");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5973) phba->debug_InjErrLBA =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5974) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5975) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5976) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5977) phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5979) snprintf(name, sizeof(name), "InjErrNPortID");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5980) phba->debug_InjErrNPortID =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5981) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5982) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5983) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5985) snprintf(name, sizeof(name), "InjErrWWPN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5986) phba->debug_InjErrWWPN =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5987) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5988) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5989) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5991) snprintf(name, sizeof(name), "writeGuardInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5992) phba->debug_writeGuard =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5993) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5994) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5995) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5997) snprintf(name, sizeof(name), "writeAppInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5998) phba->debug_writeApp =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5999) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6000) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6001) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6003) snprintf(name, sizeof(name), "writeRefInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6004) phba->debug_writeRef =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6005) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6006) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6007) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6009) snprintf(name, sizeof(name), "readGuardInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6010) phba->debug_readGuard =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6011) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6012) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6013) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6015) snprintf(name, sizeof(name), "readAppInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6016) phba->debug_readApp =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6017) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6018) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6019) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6021) snprintf(name, sizeof(name), "readRefInjErr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6022) phba->debug_readRef =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6023) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6024) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6025) phba, &lpfc_debugfs_op_dif_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6027) /* Setup slow ring trace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6028) if (lpfc_debugfs_max_slow_ring_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6029) num = lpfc_debugfs_max_slow_ring_trc - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6030) if (num & lpfc_debugfs_max_slow_ring_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6031) /* Change to be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6032) num = lpfc_debugfs_max_slow_ring_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6033) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6034) while (num > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6035) num = num >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6036) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6037) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6038) lpfc_debugfs_max_slow_ring_trc = (1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6039) pr_err("lpfc_debugfs_max_disc_trc changed to "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6040) "%d\n", lpfc_debugfs_max_disc_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6041) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6044) snprintf(name, sizeof(name), "slow_ring_trace");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6045) phba->debug_slow_ring_trc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6046) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6047) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6048) phba, &lpfc_debugfs_op_slow_ring_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6049) if (!phba->slow_ring_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6050) phba->slow_ring_trc = kmalloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6051) (sizeof(struct lpfc_debugfs_trc) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6052) lpfc_debugfs_max_slow_ring_trc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6053) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6054) if (!phba->slow_ring_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6055) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6056) "0416 Cannot create debugfs "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6057) "slow_ring buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6058) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6059) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6060) atomic_set(&phba->slow_ring_trc_cnt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6061) memset(phba->slow_ring_trc, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6062) (sizeof(struct lpfc_debugfs_trc) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6063) lpfc_debugfs_max_slow_ring_trc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6064) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6066) snprintf(name, sizeof(name), "nvmeio_trc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6067) phba->debug_nvmeio_trc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6068) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6069) phba->hba_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6070) phba, &lpfc_debugfs_op_nvmeio_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6072) atomic_set(&phba->nvmeio_trc_cnt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6073) if (lpfc_debugfs_max_nvmeio_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6074) num = lpfc_debugfs_max_nvmeio_trc - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6075) if (num & lpfc_debugfs_max_disc_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6076) /* Change to be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6077) num = lpfc_debugfs_max_nvmeio_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6078) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6079) while (num > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6080) num = num >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6081) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6082) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6083) lpfc_debugfs_max_nvmeio_trc = (1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6084) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6085) "0575 lpfc_debugfs_max_nvmeio_trc "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6086) "changed to %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6087) lpfc_debugfs_max_nvmeio_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6088) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6089) phba->nvmeio_trc_size = lpfc_debugfs_max_nvmeio_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6091) /* Allocate trace buffer and initialize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6092) phba->nvmeio_trc = kzalloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6093) (sizeof(struct lpfc_debugfs_nvmeio_trc) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6094) phba->nvmeio_trc_size), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6095)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6096) if (!phba->nvmeio_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6097) lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6098) "0576 Cannot create debugfs "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6099) "nvmeio_trc buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6100) goto nvmeio_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6102) phba->nvmeio_trc_on = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6103) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6104) phba->nvmeio_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6105) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6106) nvmeio_off:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6107) phba->nvmeio_trc_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6108) phba->nvmeio_trc_on = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6109) phba->nvmeio_trc_output_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6110) phba->nvmeio_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6114) snprintf(name, sizeof(name), "vport%d", vport->vpi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6115) if (!vport->vport_debugfs_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6116) vport->vport_debugfs_root =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6117) debugfs_create_dir(name, phba->hba_debugfs_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6118) atomic_inc(&phba->debugfs_vport_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6121) if (lpfc_debugfs_max_disc_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6122) num = lpfc_debugfs_max_disc_trc - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6123) if (num & lpfc_debugfs_max_disc_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6124) /* Change to be a power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6125) num = lpfc_debugfs_max_disc_trc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6126) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6127) while (num > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6128) num = num >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6129) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6131) lpfc_debugfs_max_disc_trc = (1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6132) pr_err("lpfc_debugfs_max_disc_trc changed to %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6133) lpfc_debugfs_max_disc_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6137) vport->disc_trc = kzalloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6138) (sizeof(struct lpfc_debugfs_trc) * lpfc_debugfs_max_disc_trc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6139) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6141) if (!vport->disc_trc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6142) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6143) "0418 Cannot create debugfs disc trace "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6144) "buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6145) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6147) atomic_set(&vport->disc_trc_cnt, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6149) snprintf(name, sizeof(name), "discovery_trace");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6150) vport->debug_disc_trc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6151) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6152) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6153) vport, &lpfc_debugfs_op_disc_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6154) snprintf(name, sizeof(name), "nodelist");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6155) vport->debug_nodelist =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6156) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6157) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6158) vport, &lpfc_debugfs_op_nodelist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6160) snprintf(name, sizeof(name), "nvmestat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6161) vport->debug_nvmestat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6162) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6163) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6164) vport, &lpfc_debugfs_op_nvmestat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6166) snprintf(name, sizeof(name), "scsistat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6167) vport->debug_scsistat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6168) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6169) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6170) vport, &lpfc_debugfs_op_scsistat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6171) if (!vport->debug_scsistat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6172) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6173) "4611 Cannot create debugfs scsistat\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6174) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6177) snprintf(name, sizeof(name), "ioktime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6178) vport->debug_ioktime =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6179) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6180) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6181) vport, &lpfc_debugfs_op_ioktime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6182) if (!vport->debug_ioktime) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6183) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6184) "0815 Cannot create debugfs ioktime\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6185) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6188) snprintf(name, sizeof(name), "hdwqstat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6189) vport->debug_hdwqstat =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6190) debugfs_create_file(name, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6191) vport->vport_debugfs_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6192) vport, &lpfc_debugfs_op_hdwqstat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6194) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6195) * The following section is for additional directories/files for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6196) * physical port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6197) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6199) if (!pport_setup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6200) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6202) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6203) * iDiag debugfs root entry points for SLI4 device only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6204) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6205) if (phba->sli_rev < LPFC_SLI_REV4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6206) goto debug_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6208) snprintf(name, sizeof(name), "iDiag");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6209) if (!phba->idiag_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6210) phba->idiag_root =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6211) debugfs_create_dir(name, phba->hba_debugfs_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6212) /* Initialize iDiag data structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6213) memset(&idiag, 0, sizeof(idiag));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6216) /* iDiag read PCI config space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6217) snprintf(name, sizeof(name), "pciCfg");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6218) if (!phba->idiag_pci_cfg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6219) phba->idiag_pci_cfg =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6220) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6221) phba->idiag_root, phba, &lpfc_idiag_op_pciCfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6222) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6225) /* iDiag PCI BAR access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6226) snprintf(name, sizeof(name), "barAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6227) if (!phba->idiag_bar_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6228) phba->idiag_bar_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6229) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6230) phba->idiag_root, phba, &lpfc_idiag_op_barAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6231) idiag.offset.last_rd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6234) /* iDiag get PCI function queue information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6235) snprintf(name, sizeof(name), "queInfo");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6236) if (!phba->idiag_que_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6237) phba->idiag_que_info =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6238) debugfs_create_file(name, S_IFREG|S_IRUGO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6239) phba->idiag_root, phba, &lpfc_idiag_op_queInfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6242) /* iDiag access PCI function queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6243) snprintf(name, sizeof(name), "queAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6244) if (!phba->idiag_que_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6245) phba->idiag_que_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6246) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6247) phba->idiag_root, phba, &lpfc_idiag_op_queAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6250) /* iDiag access PCI function doorbell registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6251) snprintf(name, sizeof(name), "drbAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6252) if (!phba->idiag_drb_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6253) phba->idiag_drb_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6254) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6255) phba->idiag_root, phba, &lpfc_idiag_op_drbAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6258) /* iDiag access PCI function control registers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6259) snprintf(name, sizeof(name), "ctlAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6260) if (!phba->idiag_ctl_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6261) phba->idiag_ctl_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6262) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6263) phba->idiag_root, phba, &lpfc_idiag_op_ctlAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6266) /* iDiag access mbox commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6267) snprintf(name, sizeof(name), "mbxAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6268) if (!phba->idiag_mbx_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6269) phba->idiag_mbx_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6270) debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6271) phba->idiag_root, phba, &lpfc_idiag_op_mbxAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6274) /* iDiag extents access commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6275) if (phba->sli4_hba.extents_in_use) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6276) snprintf(name, sizeof(name), "extAcc");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6277) if (!phba->idiag_ext_acc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6278) phba->idiag_ext_acc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6279) debugfs_create_file(name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6280) S_IFREG|S_IRUGO|S_IWUSR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6281) phba->idiag_root, phba,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6282) &lpfc_idiag_op_extAcc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6286) debug_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6287) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6288) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6291) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6292) * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6293) * @vport: The vport pointer to remove from debugfs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6294) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6295) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6296) * When Debugfs is configured this routine removes debugfs file system elements
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6297) * that are specific to this vport. It also checks to see if there are any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6298) * users left for the debugfs directories associated with the HBA and driver. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6299) * this is the last user of the HBA directory or driver directory then it will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6300) * remove those from the debugfs infrastructure as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6301) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6302) inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6303) lpfc_debugfs_terminate(struct lpfc_vport *vport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6305) #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6306) struct lpfc_hba *phba = vport->phba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6308) kfree(vport->disc_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6309) vport->disc_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6311) debugfs_remove(vport->debug_disc_trc); /* discovery_trace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6312) vport->debug_disc_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6314) debugfs_remove(vport->debug_nodelist); /* nodelist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6315) vport->debug_nodelist = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6317) debugfs_remove(vport->debug_nvmestat); /* nvmestat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6318) vport->debug_nvmestat = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6320) debugfs_remove(vport->debug_scsistat); /* scsistat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6321) vport->debug_scsistat = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6323) debugfs_remove(vport->debug_ioktime); /* ioktime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6324) vport->debug_ioktime = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6326) debugfs_remove(vport->debug_hdwqstat); /* hdwqstat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6327) vport->debug_hdwqstat = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6329) if (vport->vport_debugfs_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6330) debugfs_remove(vport->vport_debugfs_root); /* vportX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6331) vport->vport_debugfs_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6332) atomic_dec(&phba->debugfs_vport_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6335) if (atomic_read(&phba->debugfs_vport_count) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6337) debugfs_remove(phba->debug_multixri_pools); /* multixripools*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6338) phba->debug_multixri_pools = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6340) debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6341) phba->debug_hbqinfo = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6343) debugfs_remove(phba->debug_ras_log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6344) phba->debug_ras_log = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6346) #ifdef LPFC_HDWQ_LOCK_STAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6347) debugfs_remove(phba->debug_lockstat); /* lockstat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6348) phba->debug_lockstat = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6349) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6350) debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6351) phba->debug_dumpHBASlim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6353) debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6354) phba->debug_dumpHostSlim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6356) debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6357) phba->debug_InjErrLBA = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6359) debugfs_remove(phba->debug_InjErrNPortID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6360) phba->debug_InjErrNPortID = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6362) debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6363) phba->debug_InjErrWWPN = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6365) debugfs_remove(phba->debug_writeGuard); /* writeGuard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6366) phba->debug_writeGuard = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6368) debugfs_remove(phba->debug_writeApp); /* writeApp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6369) phba->debug_writeApp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6371) debugfs_remove(phba->debug_writeRef); /* writeRef */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6372) phba->debug_writeRef = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6374) debugfs_remove(phba->debug_readGuard); /* readGuard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6375) phba->debug_readGuard = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6377) debugfs_remove(phba->debug_readApp); /* readApp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6378) phba->debug_readApp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6380) debugfs_remove(phba->debug_readRef); /* readRef */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6381) phba->debug_readRef = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6383) kfree(phba->slow_ring_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6384) phba->slow_ring_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6386) /* slow_ring_trace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6387) debugfs_remove(phba->debug_slow_ring_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6388) phba->debug_slow_ring_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6390) debugfs_remove(phba->debug_nvmeio_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6391) phba->debug_nvmeio_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6393) kfree(phba->nvmeio_trc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6394) phba->nvmeio_trc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6396) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6397) * iDiag release
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6398) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6399) if (phba->sli_rev == LPFC_SLI_REV4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6400) /* iDiag extAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6401) debugfs_remove(phba->idiag_ext_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6402) phba->idiag_ext_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6404) /* iDiag mbxAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6405) debugfs_remove(phba->idiag_mbx_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6406) phba->idiag_mbx_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6408) /* iDiag ctlAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6409) debugfs_remove(phba->idiag_ctl_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6410) phba->idiag_ctl_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6412) /* iDiag drbAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6413) debugfs_remove(phba->idiag_drb_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6414) phba->idiag_drb_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6416) /* iDiag queAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6417) debugfs_remove(phba->idiag_que_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6418) phba->idiag_que_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6420) /* iDiag queInfo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6421) debugfs_remove(phba->idiag_que_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6422) phba->idiag_que_info = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6424) /* iDiag barAcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6425) debugfs_remove(phba->idiag_bar_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6426) phba->idiag_bar_acc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6428) /* iDiag pciCfg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6429) debugfs_remove(phba->idiag_pci_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6430) phba->idiag_pci_cfg = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6432) /* Finally remove the iDiag debugfs root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6433) debugfs_remove(phba->idiag_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6434) phba->idiag_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6437) if (phba->hba_debugfs_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6438) debugfs_remove(phba->hba_debugfs_root); /* fnX */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6439) phba->hba_debugfs_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6440) atomic_dec(&lpfc_debugfs_hba_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6443) if (atomic_read(&lpfc_debugfs_hba_count) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6444) debugfs_remove(lpfc_debugfs_root); /* lpfc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6445) lpfc_debugfs_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6448) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6449) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6450) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6452) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6453) * Driver debug utility routines outside of debugfs. The debug utility
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6454) * routines implemented here is intended to be used in the instrumented
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6455) * debug driver for debugging host or port issues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6456) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6458) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6459) * lpfc_debug_dump_all_queues - dump all the queues with a hba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6460) * @phba: Pointer to HBA context object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6461) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6462) * This function dumps entries of all the queues asociated with the @phba.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6463) **/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6464) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6465) lpfc_debug_dump_all_queues(struct lpfc_hba *phba)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6467) int idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6469) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6470) * Dump Work Queues (WQs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6471) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6472) lpfc_debug_dump_wq(phba, DUMP_MBX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6473) lpfc_debug_dump_wq(phba, DUMP_ELS, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6474) lpfc_debug_dump_wq(phba, DUMP_NVMELS, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6476) for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6477) lpfc_debug_dump_wq(phba, DUMP_IO, idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6479) lpfc_debug_dump_hdr_rq(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6480) lpfc_debug_dump_dat_rq(phba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6481) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6482) * Dump Complete Queues (CQs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6483) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6484) lpfc_debug_dump_cq(phba, DUMP_MBX, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6485) lpfc_debug_dump_cq(phba, DUMP_ELS, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6486) lpfc_debug_dump_cq(phba, DUMP_NVMELS, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6488) for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6489) lpfc_debug_dump_cq(phba, DUMP_IO, idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6491) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6492) * Dump Event Queues (EQs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6493) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6494) for (idx = 0; idx < phba->cfg_hdw_queue; idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6495) lpfc_debug_dump_hba_eq(phba, idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6496) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags