^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2014- QLogic Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * All rights reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * www.qlogic.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * bfad_im.c Linux driver IM module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "bfad_drv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "bfad_im.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "bfa_fcs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) BFA_TRC_FILE(LDRV, IM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) DEFINE_IDR(bfad_im_port_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct scsi_transport_template *bfad_im_scsi_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct scsi_transport_template *bfad_im_scsi_vport_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static void bfad_im_itnim_work_handler(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int bfad_im_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int bfad_im_slave_alloc(struct scsi_device *sdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static void bfad_im_fc_rport_add(struct bfad_im_port_s *im_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct bfad_itnim_s *itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) bfa_cb_ioim_done(void *drv, struct bfad_ioim_s *dio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) enum bfi_ioim_status io_status, u8 scsi_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int sns_len, u8 *sns_info, s32 residue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct bfad_s *bfad = drv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct bfad_itnim_data_s *itnim_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct bfad_itnim_s *itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) u8 host_status = DID_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) switch (io_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) case BFI_IOIM_STS_OK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) bfa_trc(bfad, scsi_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) scsi_set_resid(cmnd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (sns_len > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) bfa_trc(bfad, sns_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (sns_len > SCSI_SENSE_BUFFERSIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) sns_len = SCSI_SENSE_BUFFERSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) memcpy(cmnd->sense_buffer, sns_info, sns_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (residue > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) bfa_trc(bfad, residue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) scsi_set_resid(cmnd, residue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (!sns_len && (scsi_status == SAM_STAT_GOOD) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) (scsi_bufflen(cmnd) - residue) <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) cmnd->underflow) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) bfa_trc(bfad, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) host_status = DID_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) cmnd->result = host_status << 16 | scsi_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) case BFI_IOIM_STS_TIMEDOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) cmnd->result = DID_TIME_OUT << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) case BFI_IOIM_STS_PATHTOV:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) cmnd->result = DID_TRANSPORT_DISRUPTED << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) cmnd->result = DID_ERROR << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (cmnd->device->host != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) scsi_dma_unmap(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) cmnd->host_scribble = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) bfa_trc(bfad, cmnd->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) itnim_data = cmnd->device->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (itnim_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) itnim = itnim_data->itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (!cmnd->result && itnim &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) (bfa_lun_queue_depth > cmnd->device->queue_depth)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* Queue depth adjustment for good status completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) bfad_ramp_up_qdepth(itnim, cmnd->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) } else if (cmnd->result == SAM_STAT_TASK_SET_FULL && itnim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* qfull handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) bfad_handle_qfull(itnim, cmnd->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) cmnd->scsi_done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) bfa_cb_ioim_good_comp(void *drv, struct bfad_ioim_s *dio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct bfad_itnim_data_s *itnim_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct bfad_itnim_s *itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) cmnd->result = DID_OK << 16 | SCSI_STATUS_GOOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (cmnd->device->host != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) scsi_dma_unmap(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) cmnd->host_scribble = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* Queue depth adjustment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) if (bfa_lun_queue_depth > cmnd->device->queue_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) itnim_data = cmnd->device->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (itnim_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) itnim = itnim_data->itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (itnim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) bfad_ramp_up_qdepth(itnim, cmnd->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^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) cmnd->scsi_done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) bfa_cb_ioim_abort(void *drv, struct bfad_ioim_s *dio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct bfad_s *bfad = drv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) cmnd->result = DID_ERROR << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (cmnd->device->host != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) scsi_dma_unmap(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) bfa_trc(bfad, cmnd->result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) cmnd->host_scribble = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) enum bfi_tskim_status tsk_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dtsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) wait_queue_head_t *wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) cmnd->SCp.Status |= tsk_status << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) set_bit(IO_DONE_BIT, (unsigned long *)&cmnd->SCp.Status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) wq = (wait_queue_head_t *) cmnd->SCp.ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) cmnd->SCp.ptr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) wake_up(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * Scsi_Host_template SCSI host template
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * Scsi_Host template entry, returns BFAD PCI info.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) bfad_im_info(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static char bfa_buf[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) (struct bfad_im_port_s *) shost->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) memset(bfa_buf, 0, sizeof(bfa_buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) snprintf(bfa_buf, sizeof(bfa_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) "QLogic BR-series FC/FCOE Adapter, hwpath: %s driver: %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) bfad->pci_name, BFAD_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) return bfa_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Scsi_Host template entry, aborts the specified SCSI command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * Returns: SUCCESS or FAILED.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) bfad_im_abort_handler(struct scsi_cmnd *cmnd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct Scsi_Host *shost = cmnd->device->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) (struct bfad_im_port_s *) shost->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) struct bfa_ioim_s *hal_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) u32 timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) hal_io = (struct bfa_ioim_s *) cmnd->host_scribble;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (!hal_io) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* IO has been completed, return success */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (hal_io->dio != (struct bfad_ioim_s *) cmnd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) bfa_trc(bfad, hal_io->iotag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) BFA_LOG(KERN_INFO, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) "scsi%d: abort cmnd %p iotag %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) im_port->shost->host_no, cmnd, hal_io->iotag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) (void) bfa_ioim_abort(hal_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* Need to wait until the command get aborted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) timeout = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) while ((struct bfa_ioim_s *) cmnd->host_scribble == hal_io) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) set_current_state(TASK_UNINTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) schedule_timeout(timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (timeout < 4 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) timeout *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) cmnd->scsi_done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) bfa_trc(bfad, hal_io->iotag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) BFA_LOG(KERN_INFO, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) "scsi%d: complete abort 0x%p iotag 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) im_port->shost->host_no, cmnd, hal_io->iotag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static bfa_status_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct bfad_itnim_s *itnim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct bfa_tskim_s *tskim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct bfa_itnim_s *bfa_itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) bfa_status_t rc = BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct scsi_lun scsilun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (!tskim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) "target reset, fail to allocate tskim\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) rc = BFA_STATUS_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^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) * Set host_scribble to NULL to avoid aborting a task command if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * happens.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) cmnd->host_scribble = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) cmnd->SCp.Status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * bfa_itnim can be NULL if the port gets disconnected and the bfa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * and fcs layers have cleaned up their nexus with the targets and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * the same has not been cleaned up by the shim
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (bfa_itnim == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) bfa_tskim_free(tskim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) "target reset, bfa_itnim is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) rc = BFA_STATUS_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) memset(&scsilun, 0, sizeof(scsilun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) bfa_tskim_start(tskim, bfa_itnim, scsilun,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) FCP_TM_TARGET_RESET, BFAD_TARGET_RESET_TMO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * Scsi_Host template entry, resets a LUN and abort its all commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * Returns: SUCCESS or FAILED.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) struct Scsi_Host *shost = cmnd->device->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) (struct bfad_im_port_s *) shost->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) struct bfa_tskim_s *tskim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) struct bfad_itnim_s *itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) struct bfa_itnim_s *bfa_itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) int rc = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) enum bfi_tskim_status task_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) struct scsi_lun scsilun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) itnim = itnim_data->itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (!itnim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (!tskim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) "LUN reset, fail to allocate tskim");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * Set host_scribble to NULL to avoid aborting a task command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) * if happens.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) cmnd->host_scribble = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) cmnd->SCp.ptr = (char *)&wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) cmnd->SCp.Status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * bfa_itnim can be NULL if the port gets disconnected and the bfa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * and fcs layers have cleaned up their nexus with the targets and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * the same has not been cleaned up by the shim
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (bfa_itnim == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) bfa_tskim_free(tskim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) "lun reset, bfa_itnim is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) int_to_scsilun(cmnd->device->lun, &scsilun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) bfa_tskim_start(tskim, bfa_itnim, scsilun,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) FCP_TM_LUN_RESET, BFAD_LUN_RESET_TMO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) wait_event(wq, test_bit(IO_DONE_BIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) (unsigned long *)&cmnd->SCp.Status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) task_status = cmnd->SCp.Status >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (task_status != BFI_TSKIM_STS_OK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) "LUN reset failure, status: %d\n", task_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) rc = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) * Scsi_Host template entry, resets the target and abort all commands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) bfad_im_reset_target_handler(struct scsi_cmnd *cmnd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) struct Scsi_Host *shost = cmnd->device->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) struct scsi_target *starget = scsi_target(cmnd->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) (struct bfad_im_port_s *) shost->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) struct bfad_itnim_s *itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) u32 rc, rtn = FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) enum bfi_tskim_status task_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) itnim = bfad_get_itnim(im_port, starget->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (itnim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) cmnd->SCp.ptr = (char *)&wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) rc = bfad_im_target_reset_send(bfad, cmnd, itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (rc == BFA_STATUS_OK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) /* wait target reset to complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) wait_event(wq, test_bit(IO_DONE_BIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) (unsigned long *)&cmnd->SCp.Status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) task_status = cmnd->SCp.Status >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (task_status != BFI_TSKIM_STS_OK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) BFA_LOG(KERN_ERR, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) "target reset failure,"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) " status: %d\n", task_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) rtn = SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) return rtn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) * Scsi_Host template entry slave_destroy.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) bfad_im_slave_destroy(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) sdev->hostdata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) * BFA FCS itnim callbacks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * BFA FCS itnim alloc callback, after successful PRLI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) * Context: Interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) struct bfad_itnim_s **itnim_drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) *itnim_drv = kzalloc(sizeof(struct bfad_itnim_s), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) if (*itnim_drv == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) (*itnim_drv)->im = bfad->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) *itnim = &(*itnim_drv)->fcs_itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) (*itnim_drv)->state = ITNIM_STATE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) * Initiaze the itnim_work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) INIT_WORK(&(*itnim_drv)->itnim_work, bfad_im_itnim_work_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) bfad->bfad_flags |= BFAD_RPORT_ONLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) * BFA FCS itnim free callback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) * Context: Interrupt. bfad_lock is held
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) bfa_fcb_itnim_free(struct bfad_s *bfad, struct bfad_itnim_s *itnim_drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct bfad_port_s *port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) wwn_t wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) u32 fcid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) char wwpn_str[32], fcid_str[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) struct bfad_im_s *im = itnim_drv->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) /* online to free state transtion should not happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) WARN_ON(itnim_drv->state == ITNIM_STATE_ONLINE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) itnim_drv->queue_work = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) /* offline request is not yet done, use the same request to free */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (itnim_drv->state == ITNIM_STATE_OFFLINE_PENDING)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) itnim_drv->queue_work = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) itnim_drv->state = ITNIM_STATE_FREE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) itnim_drv->im_port = port->im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) wwpn = bfa_fcs_itnim_get_pwwn(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) fcid = bfa_fcs_itnim_get_fcid(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) wwn2str(wwpn_str, wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) fcid2str(fcid_str, fcid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) BFA_LOG(KERN_INFO, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) "ITNIM FREE scsi%d: FCID: %s WWPN: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) port->im_port->shost->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) fcid_str, wwpn_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) /* ITNIM processing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (itnim_drv->queue_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) queue_work(im->drv_workq, &itnim_drv->itnim_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) * BFA FCS itnim online callback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) * Context: Interrupt. bfad_lock is held
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) struct bfad_port_s *port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) struct bfad_im_s *im = itnim_drv->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) itnim_drv->bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) itnim_drv->state = ITNIM_STATE_ONLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) itnim_drv->queue_work = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) itnim_drv->im_port = port->im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) /* ITNIM processing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) if (itnim_drv->queue_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) queue_work(im->drv_workq, &itnim_drv->itnim_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) * BFA FCS itnim offline callback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) * Context: Interrupt. bfad_lock is held
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct bfad_port_s *port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) struct bfad_s *bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) struct bfad_im_s *im = itnim_drv->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) bfad = port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) if ((bfad->pport.flags & BFAD_PORT_DELETE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) (port->flags & BFAD_PORT_DELETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) itnim_drv->state = ITNIM_STATE_OFFLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) itnim_drv->im_port = port->im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) itnim_drv->state = ITNIM_STATE_OFFLINE_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) itnim_drv->queue_work = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) /* ITNIM processing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) if (itnim_drv->queue_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) queue_work(im->drv_workq, &itnim_drv->itnim_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) * Allocate a Scsi_Host for a port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) struct bfad_im_port_pointer *im_portp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) mutex_lock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) error = idr_alloc(&bfad_im_port_index, im_port, 0, 0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (error < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) mutex_unlock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) printk(KERN_WARNING "idr_alloc failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) im_port->idr_id = error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) mutex_unlock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) im_port->shost = bfad_scsi_host_alloc(im_port, bfad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (!im_port->shost) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) error = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) goto out_free_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) im_portp = shost_priv(im_port->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) im_portp->p = im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) im_port->shost->unique_id = im_port->idr_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) im_port->shost->this_id = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) im_port->shost->max_id = MAX_FCP_TARGET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) im_port->shost->max_lun = MAX_FCP_LUN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) im_port->shost->max_cmd_len = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) im_port->shost->can_queue = bfad->cfg_data.ioc_queue_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) im_port->shost->transportt = bfad_im_scsi_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) im_port->shost->transportt =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) bfad_im_scsi_vport_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) error = scsi_add_host_with_dma(im_port->shost, dev, &bfad->pcidev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) printk(KERN_WARNING "scsi_add_host failure %d\n", error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) goto out_fc_rel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) out_fc_rel:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) scsi_host_put(im_port->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) im_port->shost = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) out_free_idr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) mutex_lock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) idr_remove(&bfad_im_port_index, im_port->idr_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) mutex_unlock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) bfa_trc(bfad, bfad->inst_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) BFA_LOG(KERN_INFO, bfad, bfa_log_level, "Free scsi%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) im_port->shost->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) fc_remove_host(im_port->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) scsi_remove_host(im_port->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) scsi_host_put(im_port->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) mutex_lock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) idr_remove(&bfad_im_port_index, im_port->idr_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) mutex_unlock(&bfad_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) bfad_im_port_delete_handler(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) container_of(work, struct bfad_im_port_s, port_delete_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) if (im_port->port->pvb_type != BFAD_PORT_PHYS_BASE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) im_port->flags |= BFAD_PORT_DELETE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) fc_vport_terminate(im_port->fc_vport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) bfa_status_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) int rc = BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) struct bfad_im_port_s *im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) im_port = kzalloc(sizeof(struct bfad_im_port_s), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) if (im_port == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) rc = BFA_STATUS_ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) goto ext;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) port->im_port = im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) im_port->port = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) im_port->bfad = bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) INIT_WORK(&im_port->port_delete_work, bfad_im_port_delete_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) INIT_LIST_HEAD(&im_port->itnim_mapped_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) INIT_LIST_HEAD(&im_port->binding_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) ext:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) struct bfad_im_port_s *im_port = port->im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) queue_work(bfad->im->drv_workq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) &im_port->port_delete_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) bfad_im_port_clean(struct bfad_im_port_s *im_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) struct bfad_fcp_binding *bp, *bp_new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) list_for_each_entry_safe(bp, bp_new, &im_port->binding_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) list_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) list_del(&bp->list_entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) kfree(bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) /* the itnim_mapped_list must be empty at this time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) WARN_ON(!list_empty(&im_port->itnim_mapped_list));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) static void bfad_aen_im_notify_handler(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) struct bfad_im_s *im =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) container_of(work, struct bfad_im_s, aen_im_notify_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) struct bfa_aen_entry_s *aen_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) struct bfad_s *bfad = im->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) struct Scsi_Host *shost = bfad->pport.im_port->shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) void *event_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) while (!list_empty(&bfad->active_aen_q)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) spin_lock_irqsave(&bfad->bfad_aen_spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) bfa_q_deq(&bfad->active_aen_q, &aen_entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) spin_unlock_irqrestore(&bfad->bfad_aen_spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) event_data = (char *)aen_entry + sizeof(struct list_head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) fc_host_post_vendor_event(shost, fc_get_event_number(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) sizeof(struct bfa_aen_entry_s) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) sizeof(struct list_head),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) (char *)event_data, BFAD_NL_VENDOR_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) spin_lock_irqsave(&bfad->bfad_aen_spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) list_add_tail(&aen_entry->qe, &bfad->free_aen_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) spin_unlock_irqrestore(&bfad->bfad_aen_spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) bfa_status_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) bfad_im_probe(struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) struct bfad_im_s *im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) im = kzalloc(sizeof(struct bfad_im_s), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) if (im == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) return BFA_STATUS_ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) bfad->im = im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) im->bfad = bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) if (bfad_thread_workq(bfad) != BFA_STATUS_OK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) kfree(im);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) return BFA_STATUS_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) INIT_WORK(&im->aen_im_notify_work, bfad_aen_im_notify_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) return BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) bfad_im_probe_undo(struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) if (bfad->im) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) bfad_destroy_workq(bfad->im);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) kfree(bfad->im);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) bfad->im = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) struct Scsi_Host *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) bfad_scsi_host_alloc(struct bfad_im_port_s *im_port, struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) struct scsi_host_template *sht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) if (im_port->port->pvb_type == BFAD_PORT_PHYS_BASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) sht = &bfad_im_scsi_host_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) sht = &bfad_im_vport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) if (max_xfer_size != BFAD_MAX_SECTORS >> 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) sht->max_sectors = max_xfer_size << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) sht->sg_tablesize = bfad->cfg_data.io_max_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) return scsi_host_alloc(sht, sizeof(struct bfad_im_port_pointer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) bfad_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) if (!(im_port->flags & BFAD_PORT_DELETE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) flush_workqueue(bfad->im->drv_workq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) bfad_im_scsi_host_free(im_port->bfad, im_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) bfad_im_port_clean(im_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) kfree(im_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) bfad_destroy_workq(struct bfad_im_s *im)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) if (im && im->drv_workq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) flush_workqueue(im->drv_workq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) destroy_workqueue(im->drv_workq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) im->drv_workq = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) bfa_status_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) bfad_thread_workq(struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) struct bfad_im_s *im = bfad->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) bfa_trc(bfad, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) snprintf(im->drv_workq_name, KOBJ_NAME_LEN, "bfad_wq_%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) bfad->inst_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) im->drv_workq = create_singlethread_workqueue(im->drv_workq_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) if (!im->drv_workq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) return BFA_STATUS_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) return BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) * Scsi_Host template entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) * Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) * OS entry point to adjust the queue_depths on a per-device basis.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) * Called once per device during the bus scan.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) * Return non-zero if fails.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) bfad_im_slave_configure(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) scsi_change_queue_depth(sdev, bfa_lun_queue_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) struct scsi_host_template bfad_im_scsi_host_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) .name = BFAD_DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) .info = bfad_im_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) .queuecommand = bfad_im_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) .eh_timed_out = fc_eh_timed_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) .eh_abort_handler = bfad_im_abort_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) .eh_device_reset_handler = bfad_im_reset_lun_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) .eh_target_reset_handler = bfad_im_reset_target_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) .slave_alloc = bfad_im_slave_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) .slave_configure = bfad_im_slave_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) .slave_destroy = bfad_im_slave_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) .sg_tablesize = BFAD_IO_MAX_SGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) .cmd_per_lun = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) .shost_attrs = bfad_im_host_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) .max_sectors = BFAD_MAX_SECTORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) .vendor_id = BFA_PCI_VENDOR_ID_BROCADE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) struct scsi_host_template bfad_im_vport_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) .name = BFAD_DRIVER_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) .info = bfad_im_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) .queuecommand = bfad_im_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) .eh_timed_out = fc_eh_timed_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) .eh_abort_handler = bfad_im_abort_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) .eh_device_reset_handler = bfad_im_reset_lun_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) .eh_target_reset_handler = bfad_im_reset_target_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) .slave_alloc = bfad_im_slave_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) .slave_configure = bfad_im_slave_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) .slave_destroy = bfad_im_slave_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) .sg_tablesize = BFAD_IO_MAX_SGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) .cmd_per_lun = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) .shost_attrs = bfad_im_vport_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) .max_sectors = BFAD_MAX_SECTORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) bfa_status_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) bfad_im_module_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) bfad_im_scsi_transport_template =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) fc_attach_transport(&bfad_im_fc_function_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) if (!bfad_im_scsi_transport_template)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) return BFA_STATUS_ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) bfad_im_scsi_vport_transport_template =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) fc_attach_transport(&bfad_im_vport_fc_function_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) if (!bfad_im_scsi_vport_transport_template) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) fc_release_transport(bfad_im_scsi_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) return BFA_STATUS_ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) return BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) bfad_im_module_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) if (bfad_im_scsi_transport_template)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) fc_release_transport(bfad_im_scsi_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) if (bfad_im_scsi_vport_transport_template)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) fc_release_transport(bfad_im_scsi_vport_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) idr_destroy(&bfad_im_port_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) bfad_ramp_up_qdepth(struct bfad_itnim_s *itnim, struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) struct scsi_device *tmp_sdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) if (((jiffies - itnim->last_ramp_up_time) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) BFA_QUEUE_FULL_RAMP_UP_TIME * HZ) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) ((jiffies - itnim->last_queue_full_time) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) BFA_QUEUE_FULL_RAMP_UP_TIME * HZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) shost_for_each_device(tmp_sdev, sdev->host) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) if (bfa_lun_queue_depth > tmp_sdev->queue_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) if (tmp_sdev->id != sdev->id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) scsi_change_queue_depth(tmp_sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) tmp_sdev->queue_depth + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) itnim->last_ramp_up_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) bfad_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) struct scsi_device *tmp_sdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) itnim->last_queue_full_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) shost_for_each_device(tmp_sdev, sdev->host) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) if (tmp_sdev->id != sdev->id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) struct bfad_itnim_s *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) bfad_get_itnim(struct bfad_im_port_s *im_port, int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) struct bfad_itnim_s *itnim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) /* Search the mapped list for this target ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) list_for_each_entry(itnim, &im_port->itnim_mapped_list, list_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) if (id == itnim->scsi_tgt_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) return itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) * Function is invoked from the SCSI Host Template slave_alloc() entry point.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) * Has the logic to query the LUN Mask database to check if this LUN needs to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) * be made visible to the SCSI mid-layer or not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) * Returns BFA_STATUS_OK if this LUN needs to be added to the OS stack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) * Returns -ENXIO to notify SCSI mid-layer to not add this LUN to the OS stack.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) bfad_im_check_if_make_lun_visible(struct scsi_device *sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) struct fc_rport *rport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) struct bfad_itnim_data_s *itnim_data =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) (struct bfad_itnim_data_s *) rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) struct bfa_s *bfa = itnim_data->itnim->bfa_itnim->bfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) struct bfa_rport_s *bfa_rport = itnim_data->itnim->bfa_itnim->rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(bfa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) int i = 0, ret = -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) scsilun_to_int(&lun_list[i].lun) == sdev->lun &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) lun_list[i].rp_tag == bfa_rport->rport_tag &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) lun_list[i].lp_tag == (u8)bfa_rport->rport_info.lp_tag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) ret = BFA_STATUS_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) * Scsi_Host template entry slave_alloc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) bfad_im_slave_alloc(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) struct bfad_itnim_data_s *itnim_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) struct bfa_s *bfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) if (!rport || fc_remote_port_chkready(rport))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) itnim_data = (struct bfad_itnim_data_s *) rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) bfa = itnim_data->itnim->bfa_itnim->bfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) * We should not mask LUN 0 - since this will translate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) * to no LUN / TARGET for SCSI ml resulting no scan.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) if (sdev->lun == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) sdev->sdev_bflags |= BLIST_NOREPORTLUN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) BLIST_SPARSELUN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) * Query LUN Mask configuration - to expose this LUN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) * to the SCSI mid-layer or to mask it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) if (bfad_im_check_if_make_lun_visible(sdev, rport) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) BFA_STATUS_OK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) sdev->hostdata = rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) bfad_im_supported_speeds(struct bfa_s *bfa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) struct bfa_ioc_attr_s *ioc_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) u32 supported_speed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) ioc_attr = kzalloc(sizeof(struct bfa_ioc_attr_s), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) if (!ioc_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) bfa_ioc_get_attr(&bfa->ioc, ioc_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) if (ioc_attr->adapter_attr.max_speed == BFA_PORT_SPEED_16GBPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) supported_speed |= FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) else if (ioc_attr->adapter_attr.max_speed == BFA_PORT_SPEED_8GBPS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) if (ioc_attr->adapter_attr.is_mezz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) supported_speed |= FC_PORTSPEED_8GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) FC_PORTSPEED_4GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) supported_speed |= FC_PORTSPEED_8GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) FC_PORTSPEED_4GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) FC_PORTSPEED_2GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) } else if (ioc_attr->adapter_attr.max_speed == BFA_PORT_SPEED_4GBPS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) supported_speed |= FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) FC_PORTSPEED_1GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) } else if (ioc_attr->adapter_attr.max_speed == BFA_PORT_SPEED_10GBPS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) supported_speed |= FC_PORTSPEED_10GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) kfree(ioc_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) return supported_speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) bfad_fc_host_init(struct bfad_im_port_s *im_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) struct Scsi_Host *host = im_port->shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) struct bfad_port_s *port = im_port->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) char symname[BFA_SYMNAME_MAXLEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) fc_host_node_name(host) =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) cpu_to_be64((bfa_fcs_lport_get_nwwn(port->fcs_port)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) fc_host_port_name(host) =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) cpu_to_be64((bfa_fcs_lport_get_pwwn(port->fcs_port)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) fc_host_max_npiv_vports(host) = bfa_lps_get_max_vport(&bfad->bfa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) fc_host_supported_classes(host) = FC_COS_CLASS3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) memset(fc_host_supported_fc4s(host), 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) sizeof(fc_host_supported_fc4s(host)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) if (supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) /* For FCP type 0x08 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) fc_host_supported_fc4s(host)[2] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) /* For fibre channel services type 0x20 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) fc_host_supported_fc4s(host)[7] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) strlcpy(symname, bfad->bfa_fcs.fabric.bport.port_cfg.sym_name.symname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) BFA_SYMNAME_MAXLEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) sprintf(fc_host_symbolic_name(host), "%s", symname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) fc_host_supported_speeds(host) = bfad_im_supported_speeds(&bfad->bfa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) fc_host_maxframe_size(host) = fcport->cfg.maxfrsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) bfad_im_fc_rport_add(struct bfad_im_port_s *im_port, struct bfad_itnim_s *itnim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) struct fc_rport_identifiers rport_ids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) struct fc_rport *fc_rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) struct bfad_itnim_data_s *itnim_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) rport_ids.node_name =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) cpu_to_be64(bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) rport_ids.port_name =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) cpu_to_be64(bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) rport_ids.port_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) bfa_hton3b(bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) itnim->fc_rport = fc_rport =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) fc_remote_port_add(im_port->shost, 0, &rport_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) if (!fc_rport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) fc_rport->maxframe_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) bfa_fcs_itnim_get_maxfrsize(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) fc_rport->supported_classes = bfa_fcs_itnim_get_cos(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) itnim_data = fc_rport->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) itnim_data->itnim = itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) fc_remote_port_rolechg(fc_rport, rport_ids.roles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) if ((fc_rport->scsi_target_id != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) && (fc_rport->scsi_target_id < MAX_FCP_TARGET))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) itnim->scsi_tgt_id = fc_rport->scsi_target_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) itnim->channel = fc_rport->channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) * Work queue handler using FC transport service
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) * Context: kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) bfad_im_itnim_work_handler(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) struct bfad_itnim_s *itnim = container_of(work, struct bfad_itnim_s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) itnim_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) struct bfad_im_s *im = itnim->im;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) struct bfad_s *bfad = im->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) struct bfad_im_port_s *im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) struct fc_rport *fc_rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) wwn_t wwpn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) u32 fcid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) char wwpn_str[32], fcid_str[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) im_port = itnim->im_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) bfa_trc(bfad, itnim->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) switch (itnim->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) case ITNIM_STATE_ONLINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) if (!itnim->fc_rport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) bfad_im_fc_rport_add(im_port, itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) wwn2str(wwpn_str, wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) fcid2str(fcid_str, fcid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) list_add_tail(&itnim->list_entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) &im_port->itnim_mapped_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) BFA_LOG(KERN_INFO, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) "ITNIM ONLINE Target: %d:0:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) "FCID: %s WWPN: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) im_port->shost->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) itnim->scsi_tgt_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) fcid_str, wwpn_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) "%s: itnim %llx is already in online state\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) case ITNIM_STATE_OFFLINE_PENDING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) itnim->state = ITNIM_STATE_OFFLINE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) if (itnim->fc_rport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) fc_rport = itnim->fc_rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) ((struct bfad_itnim_data_s *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) fc_rport->dd_data)->itnim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) itnim->fc_rport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) if (!(im_port->port->flags & BFAD_PORT_DELETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) fc_rport->dev_loss_tmo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) bfa_fcpim_path_tov_get(&bfad->bfa) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) fc_remote_port_delete(fc_rport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) wwn2str(wwpn_str, wwpn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) fcid2str(fcid_str, fcid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) list_del(&itnim->list_entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) BFA_LOG(KERN_INFO, bfad, bfa_log_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) "ITNIM OFFLINE Target: %d:0:%d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) "FCID: %s WWPN: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) im_port->shost->host_no,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) itnim->scsi_tgt_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) fcid_str, wwpn_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) case ITNIM_STATE_FREE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) if (itnim->fc_rport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) fc_rport = itnim->fc_rport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) ((struct bfad_itnim_data_s *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) fc_rport->dd_data)->itnim = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) itnim->fc_rport = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) if (!(im_port->port->flags & BFAD_PORT_DELETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) fc_rport->dev_loss_tmo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) bfa_fcpim_path_tov_get(&bfad->bfa) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) fc_remote_port_delete(fc_rport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) list_del(&itnim->list_entry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) kfree(itnim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) * Scsi_Host template entry, queue a SCSI command to the BFAD.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) bfad_im_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) struct bfad_im_port_s *im_port =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) (struct bfad_im_port_s *) cmnd->device->host->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) struct bfad_s *bfad = im_port->bfad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) struct bfad_itnim_s *itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) struct bfa_ioim_s *hal_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) int sg_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) rc = fc_remote_port_chkready(rport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) cmnd->result = rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) if (bfad->bfad_flags & BFAD_EEH_BUSY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) if (bfad->bfad_flags & BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) cmnd->result = DID_NO_CONNECT << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) cmnd->result = DID_REQUEUE << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) sg_cnt = scsi_dma_map(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) if (sg_cnt < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) return SCSI_MLQUEUE_HOST_BUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) cmnd->scsi_done = done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) spin_lock_irqsave(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) if (!(bfad->bfad_flags & BFAD_HAL_START_DONE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) "bfad%d, queuecommand %p %x failed, BFA stopped\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) bfad->inst_no, cmnd, cmnd->cmnd[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) cmnd->result = DID_NO_CONNECT << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) goto out_fail_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) itnim = itnim_data->itnim;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) if (!itnim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) cmnd->result = DID_IMM_RETRY << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) goto out_fail_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) hal_io = bfa_ioim_alloc(&bfad->bfa, (struct bfad_ioim_s *) cmnd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) itnim->bfa_itnim, sg_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) if (!hal_io) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) printk(KERN_WARNING "hal_io failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) scsi_dma_unmap(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) return SCSI_MLQUEUE_HOST_BUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) cmnd->host_scribble = (char *)hal_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) bfa_ioim_start(hal_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) out_fail_cmd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) spin_unlock_irqrestore(&bfad->bfad_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) scsi_dma_unmap(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) if (done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) done(cmnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) static DEF_SCSI_QCMD(bfad_im_queuecommand)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) bfad_rport_online_wait(struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) int rport_delay = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) for (i = 0; !(bfad->bfad_flags & BFAD_PORT_ONLINE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) && i < bfa_linkup_delay; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) set_current_state(TASK_UNINTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) schedule_timeout(HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) if (bfad->bfad_flags & BFAD_PORT_ONLINE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) rport_delay = rport_delay < bfa_linkup_delay ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) rport_delay : bfa_linkup_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) for (i = 0; !(bfad->bfad_flags & BFAD_RPORT_ONLINE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) && i < rport_delay; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) set_current_state(TASK_UNINTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) schedule_timeout(HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) if (rport_delay > 0 && (bfad->bfad_flags & BFAD_RPORT_ONLINE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) set_current_state(TASK_UNINTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) schedule_timeout(rport_delay * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) bfad_get_linkup_delay(struct bfad_s *bfad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) u8 nwwns = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) int linkup_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) * Querying for the boot target port wwns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) * -- read from boot information in flash.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) * If nwwns > 0 => boot over SAN and set linkup_delay = 30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) * else => local boot machine set linkup_delay = 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) bfa_iocfc_get_bootwwns(&bfad->bfa, &nwwns, wwns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) if (nwwns > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) /* If Boot over SAN set linkup_delay = 30sec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) linkup_delay = 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) /* If local boot; no linkup_delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) linkup_delay = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) return linkup_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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