^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright 2008 Cisco Systems, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright 2007 Nuova Systems, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This program is free software; you may redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * it under the terms of the GNU General Public License as published by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * the Free Software Foundation; version 2 of the License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/mempool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/if_ether.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <scsi/fc/fc_fip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <scsi/scsi_transport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <scsi/scsi_transport_fc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <scsi/scsi_tcq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <scsi/libfc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <scsi/fc_frame.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include "vnic_dev.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include "vnic_intr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include "vnic_stats.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include "fnic_io.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include "fnic_fip.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "fnic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define PCI_DEVICE_ID_CISCO_FNIC 0x0045
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* Timer to poll notification area for events. Used for MSI interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define FNIC_NOTIFY_TIMER_PERIOD (2 * HZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static struct kmem_cache *fnic_io_req_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static LIST_HEAD(fnic_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static DEFINE_SPINLOCK(fnic_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Supported devices by fnic module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct pci_device_id fnic_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) { 0, }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) MODULE_DESCRIPTION(DRV_DESCRIPTION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) MODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) "Joseph R. Eykholt <jeykholt@cisco.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) MODULE_VERSION(DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) MODULE_DEVICE_TABLE(pci, fnic_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) unsigned int fnic_log_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) module_param(fnic_log_level, int, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) unsigned int io_completions = FNIC_DFLT_IO_COMPLETIONS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) module_param(io_completions, int, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) MODULE_PARM_DESC(io_completions, "Max CQ entries to process at a time");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) unsigned int fnic_trace_max_pages = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) module_param(fnic_trace_max_pages, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) MODULE_PARM_DESC(fnic_trace_max_pages, "Total allocated memory pages "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) "for fnic trace buffer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) unsigned int fnic_fc_trace_max_pages = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) module_param(fnic_fc_trace_max_pages, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) MODULE_PARM_DESC(fnic_fc_trace_max_pages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) "Total allocated memory pages for fc trace buffer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static unsigned int fnic_max_qdepth = FNIC_DFLT_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) module_param(fnic_max_qdepth, uint, S_IRUGO|S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) MODULE_PARM_DESC(fnic_max_qdepth, "Queue depth to report for each LUN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static struct libfc_function_template fnic_transport_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .frame_send = fnic_send,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .lport_set_port_id = fnic_set_port_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .fcp_abort_io = fnic_empty_scsi_cleanup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .fcp_cleanup = fnic_empty_scsi_cleanup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .exch_mgr_reset = fnic_exch_mgr_reset
^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) static int fnic_slave_alloc(struct scsi_device *sdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (!rport || fc_remote_port_chkready(rport))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) scsi_change_queue_depth(sdev, fnic_max_qdepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static struct scsi_host_template fnic_host_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .queuecommand = fnic_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .eh_timed_out = fc_eh_timed_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .eh_abort_handler = fnic_abort_cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .eh_device_reset_handler = fnic_device_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .eh_host_reset_handler = fnic_host_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .slave_alloc = fnic_slave_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .change_queue_depth = scsi_change_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .cmd_per_lun = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .can_queue = FNIC_DFLT_IO_REQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .sg_tablesize = FNIC_MAX_SG_DESC_CNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .max_sectors = 0xffff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .shost_attrs = fnic_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .track_queue_depth = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) fnic_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) rport->dev_loss_tmo = timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) rport->dev_loss_tmo = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static void fnic_get_host_speed(struct Scsi_Host *shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static struct scsi_transport_template *fnic_fc_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static void fnic_reset_host_stats(struct Scsi_Host *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static struct fc_function_template fnic_fc_functions = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .show_host_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .show_host_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .show_host_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .show_host_supported_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .show_host_active_fc4s = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .show_host_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .show_host_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .show_host_supported_speeds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .get_host_speed = fnic_get_host_speed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .show_host_speed = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .show_host_port_type = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .get_host_port_state = fc_get_host_port_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .show_host_port_state = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .show_host_symbolic_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .show_rport_maxframe_size = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .show_rport_supported_classes = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .show_host_fabric_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .show_starget_node_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .show_starget_port_name = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .show_starget_port_id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .show_rport_dev_loss_tmo = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .set_rport_dev_loss_tmo = fnic_set_rport_dev_loss_tmo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .issue_fc_host_lip = fnic_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .get_fc_host_stats = fnic_get_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .reset_fc_host_stats = fnic_reset_host_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .terminate_rport_io = fnic_terminate_rport_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .bsg_request = fc_lport_bsg_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static void fnic_get_host_speed(struct Scsi_Host *shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct fc_lport *lp = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct fnic *fnic = lport_priv(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) u32 port_speed = vnic_dev_port_speed(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* Add in other values as they get defined in fw */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) switch (port_speed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) case DCEM_PORTSPEED_10G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) case DCEM_PORTSPEED_20G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) fc_host_speed(shost) = FC_PORTSPEED_20GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) case DCEM_PORTSPEED_25G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) case DCEM_PORTSPEED_40G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) case DCEM_PORTSPEED_4x10G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) case DCEM_PORTSPEED_100G:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct fc_lport *lp = shost_priv(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct fnic *fnic = lport_priv(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct fc_host_statistics *stats = &lp->host_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct vnic_stats *vs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) fnic->stats_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) spin_lock_irqsave(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) "fnic: Get vnic stats failed"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) " 0x%x", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) vs = fnic->stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) stats->tx_frames = vs->tx.tx_unicast_frames_ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) stats->tx_words = vs->tx.tx_unicast_bytes_ok / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) stats->rx_frames = vs->rx.rx_unicast_frames_ok;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) stats->rx_words = vs->rx.rx_unicast_bytes_ok / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) stats->invalid_crc_count = vs->rx.rx_crc_errors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) stats->seconds_since_last_reset =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) (jiffies - fnic->stats_reset_time) / HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) * fnic_dump_fchost_stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) * note : dumps fc_statistics into system logs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) void fnic_dump_fchost_stats(struct Scsi_Host *host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct fc_host_statistics *stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) "fnic: seconds since last reset = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) stats->seconds_since_last_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) "fnic: tx frames = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) stats->tx_frames);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) "fnic: tx words = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) stats->tx_words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) "fnic: rx frames = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) stats->rx_frames);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) "fnic: rx words = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) stats->rx_words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) "fnic: lip count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) stats->lip_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) "fnic: nos count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) stats->nos_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) "fnic: error frames = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) stats->error_frames);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) "fnic: dumped frames = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) stats->dumped_frames);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) "fnic: link failure count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) stats->link_failure_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) "fnic: loss of sync count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) stats->loss_of_sync_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) "fnic: loss of signal count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) stats->loss_of_signal_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) "fnic: prim seq protocol err count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) stats->prim_seq_protocol_err_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) "fnic: invalid tx word count= %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) stats->invalid_tx_word_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) "fnic: invalid crc count = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) stats->invalid_crc_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) "fnic: fcp input requests = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) stats->fcp_input_requests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) "fnic: fcp output requests = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) stats->fcp_output_requests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) "fnic: fcp control requests = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) stats->fcp_control_requests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) "fnic: fcp input megabytes = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) stats->fcp_input_megabytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) FNIC_MAIN_NOTE(KERN_NOTICE, host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) "fnic: fcp output megabytes = %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) stats->fcp_output_megabytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^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) * fnic_reset_host_stats : clears host stats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * note : called when reset_statistics set under sysfs dir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static void fnic_reset_host_stats(struct Scsi_Host *host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) struct fc_lport *lp = shost_priv(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) struct fnic *fnic = lport_priv(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) struct fc_host_statistics *stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) /* dump current stats, before clearing them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) stats = fnic_get_stats(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) fnic_dump_fchost_stats(host, stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) spin_lock_irqsave(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) ret = vnic_dev_stats_clear(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) "fnic: Reset vnic stats failed"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) " 0x%x", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) fnic->stats_reset_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) memset(stats, 0, sizeof(*stats));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) void fnic_log_q_error(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) u32 error_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) for (i = 0; i < fnic->raw_wq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) error_status = ioread32(&fnic->wq[i].ctrl->error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (error_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) "WQ[%d] error_status"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) " %d\n", i, error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) for (i = 0; i < fnic->rq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) error_status = ioread32(&fnic->rq[i].ctrl->error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (error_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) "RQ[%d] error_status"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) " %d\n", i, error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) for (i = 0; i < fnic->wq_copy_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (error_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) "CWQ[%d] error_status"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) " %d\n", i, error_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) void fnic_handle_link_event(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) spin_lock_irqsave(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (fnic->stop_rx_link_events) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) queue_work(fnic_event_queue, &fnic->link_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static int fnic_notify_set(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) switch (vnic_dev_get_intr_mode(fnic->vdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) case VNIC_DEV_INTR_MODE_INTX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) case VNIC_DEV_INTR_MODE_MSI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) err = vnic_dev_notify_set(fnic->vdev, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) case VNIC_DEV_INTR_MODE_MSIX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) "Interrupt mode should be set up"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) " before devcmd notify set %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) vnic_dev_get_intr_mode(fnic->vdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) err = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) return err;
^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) static void fnic_notify_timer(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct fnic *fnic = from_timer(fnic, t, notify_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) fnic_handle_link_event(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) mod_timer(&fnic->notify_timer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) static void fnic_fip_notify_timer(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) struct fnic *fnic = from_timer(fnic, t, fip_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) fnic_handle_fip_timer(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static void fnic_notify_timer_start(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) switch (vnic_dev_get_intr_mode(fnic->vdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) case VNIC_DEV_INTR_MODE_MSI:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) * Schedule first timeout immediately. The driver is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) * initiatialized and ready to look for link up notification
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) mod_timer(&fnic->notify_timer, jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Using intr for notification for INTx/MSI-X */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) static int fnic_dev_wait(struct vnic_dev *vdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) int (*start)(struct vnic_dev *, int),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) int (*finished)(struct vnic_dev *, int *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) int arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) unsigned long time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) int done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) err = start(vdev, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) /* Wait for func to complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) * Sometime schedule_timeout_uninterruptible take long time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) * to wake up so we do not retry as we are only waiting for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) * 2 seconds in while loop. By adding count, we make sure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) * we try atleast three times before returning -ETIMEDOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) time = jiffies + (HZ * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) err = finished(vdev, &done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) schedule_timeout_uninterruptible(HZ / 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) } while (time_after(time, jiffies) || (count < 3));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return -ETIMEDOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) static int fnic_cleanup(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) vnic_dev_disable(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) for (i = 0; i < fnic->intr_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) vnic_intr_mask(&fnic->intr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) for (i = 0; i < fnic->rq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) err = vnic_rq_disable(&fnic->rq[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) for (i = 0; i < fnic->raw_wq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) err = vnic_wq_disable(&fnic->wq[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) for (i = 0; i < fnic->wq_copy_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) /* Clean up completed IOs and FCS frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) fnic_wq_copy_cmpl_handler(fnic, io_completions);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) fnic_wq_cmpl_handler(fnic, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) fnic_rq_cmpl_handler(fnic, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) /* Clean up the IOs and FCS frames that have not completed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) for (i = 0; i < fnic->raw_wq_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) for (i = 0; i < fnic->rq_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) for (i = 0; i < fnic->wq_copy_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) vnic_wq_copy_clean(&fnic->wq_copy[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) fnic_wq_copy_cleanup_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) for (i = 0; i < fnic->cq_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) vnic_cq_clean(&fnic->cq[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) for (i = 0; i < fnic->intr_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) vnic_intr_clean(&fnic->intr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) mempool_destroy(fnic->io_req_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) mempool_destroy(fnic->io_sgl_pool[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) static void fnic_iounmap(struct fnic *fnic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (fnic->bar0.vaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) iounmap(fnic->bar0.vaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * fnic_get_mac() - get assigned data MAC address for FIP code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) * @lport: local port.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) static u8 *fnic_get_mac(struct fc_lport *lport)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) struct fnic *fnic = lport_priv(lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) return fnic->data_src_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) static void fnic_set_vlan(struct fnic *fnic, u16 vlan_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) vnic_dev_set_default_vlan(fnic->vdev, vlan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) struct fc_lport *lp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct fnic *fnic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) mempool_t *pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) * Allocate SCSI Host and set up association between host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) * local port, and fnic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) lp = libfc_host_alloc(&fnic_host_template, sizeof(struct fnic));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (!lp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) printk(KERN_ERR PFX "Unable to alloc libfc local port\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) host = lp->host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) fnic = lport_priv(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) fnic->lport = lp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) fnic->ctlr.lp = lp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) host->host_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) host->transportt = fnic_fc_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) fnic_stats_debugfs_init(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) /* Setup PCI resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) pci_set_drvdata(pdev, fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) fnic->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) err = pci_enable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) "Cannot enable PCI device, aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) goto err_out_free_hba;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) err = pci_request_regions(pdev, DRV_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) "Cannot enable PCI resources, aborting\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) goto err_out_disable_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) /* Query PCI controller on system for DMA addressing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * limitation for the device. Try 64-bit first, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * fail to 32-bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) "No usable DMA configuration "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) "aborting\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) goto err_out_release_regions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) /* Map vNIC resources from BAR0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) "BAR0 not memory-map'able, aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) goto err_out_release_regions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) fnic->bar0.vaddr = pci_iomap(pdev, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) fnic->bar0.bus_addr = pci_resource_start(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) fnic->bar0.len = pci_resource_len(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) if (!fnic->bar0.vaddr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) "Cannot memory-map BAR0 res hdr, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) "aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) goto err_out_release_regions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (!fnic->vdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) "vNIC registration failed, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) "aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) goto err_out_iounmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) err = vnic_dev_cmd_init(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) "vnic_dev_cmd_init() returns %d, aborting\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) goto err_out_vnic_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) vnic_dev_open_done, CMD_OPENF_RQ_ENABLE_THEN_POST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) "vNIC dev open failed, aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) goto err_out_dev_cmd_deinit;
^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) err = vnic_dev_init(fnic->vdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) "vNIC dev init failed, aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) goto err_out_dev_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) err = vnic_dev_mac_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) "vNIC get MAC addr failed \n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) goto err_out_dev_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) /* set data_src for point-to-point mode and to keep it non-zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) memcpy(fnic->data_src_addr, fnic->ctlr.ctl_src_addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) /* Get vNIC configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) err = fnic_get_vnic_config(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) "Get vNIC configuration failed, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) "aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) goto err_out_dev_close;
^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) /* Configure Maximum Outstanding IO reqs*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) if (fnic->config.io_throttle_count != FNIC_UCSM_DFLT_THROTTLE_CNT_BLD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) host->can_queue = min_t(u32, FNIC_MAX_IO_REQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) max_t(u32, FNIC_MIN_IO_REQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) fnic->config.io_throttle_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) fnic->fnic_max_tag_id = host->can_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) host->max_lun = fnic->config.luns_per_tgt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) host->max_id = FNIC_MAX_FCP_TARGET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) host->max_cmd_len = FCOE_MAX_CMD_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) fnic_get_res_counts(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) err = fnic_set_intr_mode(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) "Failed to set intr mode, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) "aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) goto err_out_dev_close;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) err = fnic_alloc_vnic_resources(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) "Failed to alloc vNIC resources, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) "aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) goto err_out_clear_intr;
^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) /* initialize all fnic locks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) spin_lock_init(&fnic->fnic_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) for (i = 0; i < FNIC_WQ_MAX; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) spin_lock_init(&fnic->wq_lock[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) for (i = 0; i < FNIC_WQ_COPY_MAX; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) spin_lock_init(&fnic->wq_copy_lock[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) fnic->fw_ack_recd[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) fnic->fw_ack_index[i] = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) for (i = 0; i < FNIC_IO_LOCKS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) spin_lock_init(&fnic->io_req_lock[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) if (!fnic->io_req_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) goto err_out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) pool = mempool_create_slab_pool(2, fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) if (!pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) goto err_out_free_ioreq_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) pool = mempool_create_slab_pool(2, fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (!pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) goto err_out_free_dflt_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) /* setup vlan config, hw inserts vlan header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) fnic->vlan_hw_insert = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) fnic->vlan_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) /* Initialize the FIP fcoe_ctrl struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) fnic->ctlr.send = fnic_eth_send;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) fnic->ctlr.update_mac = fnic_update_mac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) fnic->ctlr.get_src_addr = fnic_get_mac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) if (fnic->config.flags & VFCF_FIP_CAPABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) shost_printk(KERN_INFO, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) "firmware supports FIP\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) /* enable directed and multicast */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) vnic_dev_packet_filter(fnic->vdev, 1, 1, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) vnic_dev_add_addr(fnic->vdev, FIP_ALL_ENODE_MACS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) vnic_dev_add_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) fnic->set_vlan = fnic_set_vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_AUTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) timer_setup(&fnic->fip_timer, fnic_fip_notify_timer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) spin_lock_init(&fnic->vlans_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) INIT_WORK(&fnic->fip_frame_work, fnic_handle_fip_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) INIT_WORK(&fnic->event_work, fnic_handle_event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) skb_queue_head_init(&fnic->fip_frame_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) INIT_LIST_HEAD(&fnic->evlist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) INIT_LIST_HEAD(&fnic->vlans);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) shost_printk(KERN_INFO, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) "firmware uses non-FIP mode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_NON_FIP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) fnic->ctlr.state = FIP_ST_NON_FIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) fnic->state = FNIC_IN_FC_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) atomic_set(&fnic->in_flight, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) fnic->state_flags = FNIC_FLAGS_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) /* Enable hardware stripping of vlan header on ingress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) /* Setup notification buffer area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) err = fnic_notify_set(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) "Failed to alloc notify buffer, aborting.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) goto err_out_free_max_pool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) /* Setup notify timer when using MSI interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) timer_setup(&fnic->notify_timer, fnic_notify_timer, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) /* allocate RQ buffers and post them to RQ*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) for (i = 0; i < fnic->rq_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) vnic_rq_enable(&fnic->rq[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) "fnic_alloc_rq_frame can't alloc "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) "frame\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) goto err_out_free_rq_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) * Initialization done with PCI system, hardware, firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) * Add host to SCSI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) err = scsi_add_host(lp->host, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) "fnic: scsi_add_host failed...exiting\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) goto err_out_free_rq_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) /* Start local port initiatialization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) lp->link_up = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) lp->max_retry_count = fnic->config.flogi_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) lp->max_rport_retry_count = fnic->config.plogi_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) FCP_SPPF_CONF_COMPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) lp->service_params |= FCP_SPPF_RETRY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) lp->boot_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) lp->e_d_tov = fnic->config.ed_tov;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) lp->r_a_tov = fnic->config.ra_tov;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) lp->link_supported_speeds = FC_PORTSPEED_10GBIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) fc_set_wwnn(lp, fnic->config.node_wwn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) fc_set_wwpn(lp, fnic->config.port_wwn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) fcoe_libfc_config(lp, &fnic->ctlr, &fnic_transport_template, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) if (!fc_exch_mgr_alloc(lp, FC_CLASS_3, FCPIO_HOST_EXCH_RANGE_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) FCPIO_HOST_EXCH_RANGE_END, NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) goto err_out_remove_scsi_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) fc_lport_init_stats(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) fnic->stats_reset_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) fc_lport_config(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) sizeof(struct fc_frame_header))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) goto err_out_free_exch_mgr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) fc_host_maxframe_size(lp->host) = lp->mfs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) fc_host_dev_loss_tmo(lp->host) = fnic->config.port_down_timeout / 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) sprintf(fc_host_symbolic_name(lp->host),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) DRV_NAME " v" DRV_VERSION " over %s", fnic->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) spin_lock_irqsave(&fnic_list_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) list_add_tail(&fnic->list, &fnic_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) spin_unlock_irqrestore(&fnic_list_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) INIT_WORK(&fnic->link_work, fnic_handle_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) INIT_WORK(&fnic->frame_work, fnic_handle_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) skb_queue_head_init(&fnic->frame_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) skb_queue_head_init(&fnic->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) /* Enable all queues */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) for (i = 0; i < fnic->raw_wq_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) vnic_wq_enable(&fnic->wq[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) for (i = 0; i < fnic->wq_copy_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) vnic_wq_copy_enable(&fnic->wq_copy[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) fc_fabric_login(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) err = fnic_request_intr(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) shost_printk(KERN_ERR, fnic->lport->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) "Unable to request irq.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) goto err_out_free_exch_mgr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) vnic_dev_enable(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) for (i = 0; i < fnic->intr_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) vnic_intr_unmask(&fnic->intr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) fnic_notify_timer_start(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) err_out_free_exch_mgr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) fc_exch_mgr_free(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) err_out_remove_scsi_host:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) fc_remove_host(lp->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) scsi_remove_host(lp->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) err_out_free_rq_buf:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) for (i = 0; i < fnic->rq_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) vnic_dev_notify_unset(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) err_out_free_max_pool:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) err_out_free_dflt_pool:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) err_out_free_ioreq_pool:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) mempool_destroy(fnic->io_req_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) err_out_free_resources:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) fnic_free_vnic_resources(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) err_out_clear_intr:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) fnic_clear_intr_mode(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) err_out_dev_close:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) vnic_dev_close(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) err_out_dev_cmd_deinit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) err_out_vnic_unregister:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) vnic_dev_unregister(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) err_out_iounmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) fnic_iounmap(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) err_out_release_regions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) pci_release_regions(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) err_out_disable_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) err_out_free_hba:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) fnic_stats_debugfs_remove(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) scsi_host_put(lp->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) static void fnic_remove(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) struct fnic *fnic = pci_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) struct fc_lport *lp = fnic->lport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) unsigned long flags;
^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) * Mark state so that the workqueue thread stops forwarding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) * received frames and link events to the local port. ISR and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) * other threads that can queue work items will also stop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) * creating work items on the fnic workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) spin_lock_irqsave(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) fnic->stop_rx_link_events = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) del_timer_sync(&fnic->notify_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) * Flush the fnic event queue. After this call, there should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) * be no event queued for this fnic device in the workqueue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) flush_workqueue(fnic_event_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) skb_queue_purge(&fnic->frame_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) skb_queue_purge(&fnic->tx_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) if (fnic->config.flags & VFCF_FIP_CAPABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) del_timer_sync(&fnic->fip_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) skb_queue_purge(&fnic->fip_frame_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) fnic_fcoe_reset_vlans(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) fnic_fcoe_evlist_free(fnic);
^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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) * Log off the fabric. This stops all remote ports, dns port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) * logs off the fabric. This flushes all rport, disc, lport work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) * before returning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) fc_fabric_logoff(fnic->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) spin_lock_irqsave(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) fnic->in_remove = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) spin_unlock_irqrestore(&fnic->fnic_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) fcoe_ctlr_destroy(&fnic->ctlr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) fc_lport_destroy(lp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) fnic_stats_debugfs_remove(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) * This stops the fnic device, masks all interrupts. Completed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) * cleaned up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) fnic_cleanup(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) BUG_ON(!skb_queue_empty(&fnic->frame_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) BUG_ON(!skb_queue_empty(&fnic->tx_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) spin_lock_irqsave(&fnic_list_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) list_del(&fnic->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) spin_unlock_irqrestore(&fnic_list_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) fc_remove_host(fnic->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) scsi_remove_host(fnic->lport->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) fc_exch_mgr_free(fnic->lport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) vnic_dev_notify_unset(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) fnic_free_intr(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) fnic_free_vnic_resources(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) fnic_clear_intr_mode(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) vnic_dev_close(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) vnic_dev_unregister(fnic->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) fnic_iounmap(fnic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) pci_release_regions(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) scsi_host_put(lp->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) static struct pci_driver fnic_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) .id_table = fnic_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) .probe = fnic_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) .remove = fnic_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) static int __init fnic_init_module(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) /* Create debugfs entries for fnic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) err = fnic_debugfs_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) printk(KERN_ERR PFX "Failed to create fnic directory "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) "for tracing and stats logging\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) fnic_debugfs_terminate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) /* Allocate memory for trace buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) err = fnic_trace_buf_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) printk(KERN_ERR PFX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) "Trace buffer initialization Failed. "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) "Fnic Tracing utility is disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) fnic_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) /* Allocate memory for fc trace buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) err = fnic_fc_trace_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) printk(KERN_ERR PFX "FC trace buffer initialization Failed "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) "FC frame tracing utility is disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) fnic_fc_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) /* Create a cache for allocation of default size sgls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) len = sizeof(struct fnic_dflt_sgl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) SLAB_HWCACHE_ALIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) goto err_create_fnic_sgl_slab_dflt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) /* Create a cache for allocation of max size sgls*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) len = sizeof(struct fnic_sgl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) SLAB_HWCACHE_ALIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) goto err_create_fnic_sgl_slab_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) /* Create a cache of io_req structs for use via mempool */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) fnic_io_req_cache = kmem_cache_create("fnic_io_req",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) sizeof(struct fnic_io_req),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 0, SLAB_HWCACHE_ALIGN, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) if (!fnic_io_req_cache) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) goto err_create_fnic_ioreq_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) fnic_event_queue = create_singlethread_workqueue("fnic_event_wq");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) if (!fnic_event_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) printk(KERN_ERR PFX "fnic work queue create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) goto err_create_fnic_workq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) spin_lock_init(&fnic_list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) INIT_LIST_HEAD(&fnic_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) fnic_fip_queue = create_singlethread_workqueue("fnic_fip_q");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) if (!fnic_fip_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) printk(KERN_ERR PFX "fnic FIP work queue create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) goto err_create_fip_workq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) if (!fnic_fc_transport) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) printk(KERN_ERR PFX "fc_attach_transport error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) goto err_fc_transport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) /* register the driver with PCI system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) err = pci_register_driver(&fnic_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) printk(KERN_ERR PFX "pci register error\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) goto err_pci_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) err_pci_register:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) fc_release_transport(fnic_fc_transport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) err_fc_transport:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) destroy_workqueue(fnic_fip_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) err_create_fip_workq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) destroy_workqueue(fnic_event_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) err_create_fnic_workq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) kmem_cache_destroy(fnic_io_req_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) err_create_fnic_ioreq_slab:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) err_create_fnic_sgl_slab_max:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) err_create_fnic_sgl_slab_dflt:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) fnic_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) fnic_fc_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) fnic_debugfs_terminate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) return err;
^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) static void __exit fnic_cleanup_module(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) pci_unregister_driver(&fnic_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) destroy_workqueue(fnic_event_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) if (fnic_fip_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) flush_workqueue(fnic_fip_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) destroy_workqueue(fnic_fip_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) kmem_cache_destroy(fnic_io_req_cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) fc_release_transport(fnic_fc_transport);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) fnic_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) fnic_fc_trace_free();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) fnic_debugfs_terminate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) module_init(fnic_init_module);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) module_exit(fnic_cleanup_module);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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