Lines Matching refs:fnic
31 #include "fnic.h"
43 /* Supported devices by fnic module */
58 MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
68 "for fnic trace buffer");
167 struct fnic *fnic = lport_priv(lp);
168 u32 port_speed = vnic_dev_port_speed(fnic->vdev);
198 struct fnic *fnic = lport_priv(lp);
203 if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT))
205 fnic->stats_time = jiffies;
207 spin_lock_irqsave(&fnic->fnic_lock, flags);
208 ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats);
209 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
212 FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
213 "fnic: Get vnic stats failed"
217 vs = fnic->stats;
226 (jiffies - fnic->stats_reset_time) / HZ;
227 stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000);
228 stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000);
241 "fnic: seconds since last reset = %llu\n",
244 "fnic: tx frames = %llu\n",
247 "fnic: tx words = %llu\n",
250 "fnic: rx frames = %llu\n",
253 "fnic: rx words = %llu\n",
256 "fnic: lip count = %llu\n",
259 "fnic: nos count = %llu\n",
262 "fnic: error frames = %llu\n",
265 "fnic: dumped frames = %llu\n",
268 "fnic: link failure count = %llu\n",
271 "fnic: loss of sync count = %llu\n",
274 "fnic: loss of signal count = %llu\n",
277 "fnic: prim seq protocol err count = %llu\n",
280 "fnic: invalid tx word count= %llu\n",
283 "fnic: invalid crc count = %llu\n",
286 "fnic: fcp input requests = %llu\n",
289 "fnic: fcp output requests = %llu\n",
292 "fnic: fcp control requests = %llu\n",
295 "fnic: fcp input megabytes = %llu\n",
298 "fnic: fcp output megabytes = %llu\n",
311 struct fnic *fnic = lport_priv(lp);
319 spin_lock_irqsave(&fnic->fnic_lock, flags);
320 ret = vnic_dev_stats_clear(fnic->vdev);
321 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
324 FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host,
325 "fnic: Reset vnic stats failed"
329 fnic->stats_reset_time = jiffies;
335 void fnic_log_q_error(struct fnic *fnic)
340 for (i = 0; i < fnic->raw_wq_count; i++) {
341 error_status = ioread32(&fnic->wq[i].ctrl->error_status);
343 shost_printk(KERN_ERR, fnic->lport->host,
348 for (i = 0; i < fnic->rq_count; i++) {
349 error_status = ioread32(&fnic->rq[i].ctrl->error_status);
351 shost_printk(KERN_ERR, fnic->lport->host,
356 for (i = 0; i < fnic->wq_copy_count; i++) {
357 error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status);
359 shost_printk(KERN_ERR, fnic->lport->host,
365 void fnic_handle_link_event(struct fnic *fnic)
369 spin_lock_irqsave(&fnic->fnic_lock, flags);
370 if (fnic->stop_rx_link_events) {
371 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
374 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
376 queue_work(fnic_event_queue, &fnic->link_work);
380 static int fnic_notify_set(struct fnic *fnic)
384 switch (vnic_dev_get_intr_mode(fnic->vdev)) {
386 err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY);
389 err = vnic_dev_notify_set(fnic->vdev, -1);
392 err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY);
395 shost_printk(KERN_ERR, fnic->lport->host,
398 vnic_dev_get_intr_mode(fnic->vdev));
408 struct fnic *fnic = from_timer(fnic, t, notify_timer);
410 fnic_handle_link_event(fnic);
411 mod_timer(&fnic->notify_timer,
417 struct fnic *fnic = from_timer(fnic, t, fip_timer);
419 fnic_handle_fip_timer(fnic);
422 static void fnic_notify_timer_start(struct fnic *fnic)
424 switch (vnic_dev_get_intr_mode(fnic->vdev)) {
430 mod_timer(&fnic->notify_timer, jiffies);
474 static int fnic_cleanup(struct fnic *fnic)
479 vnic_dev_disable(fnic->vdev);
480 for (i = 0; i < fnic->intr_count; i++)
481 vnic_intr_mask(&fnic->intr[i]);
483 for (i = 0; i < fnic->rq_count; i++) {
484 err = vnic_rq_disable(&fnic->rq[i]);
488 for (i = 0; i < fnic->raw_wq_count; i++) {
489 err = vnic_wq_disable(&fnic->wq[i]);
493 for (i = 0; i < fnic->wq_copy_count; i++) {
494 err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
500 fnic_wq_copy_cmpl_handler(fnic, io_completions);
501 fnic_wq_cmpl_handler(fnic, -1);
502 fnic_rq_cmpl_handler(fnic, -1);
505 for (i = 0; i < fnic->raw_wq_count; i++)
506 vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
507 for (i = 0; i < fnic->rq_count; i++)
508 vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
509 for (i = 0; i < fnic->wq_copy_count; i++)
510 vnic_wq_copy_clean(&fnic->wq_copy[i],
513 for (i = 0; i < fnic->cq_count; i++)
514 vnic_cq_clean(&fnic->cq[i]);
515 for (i = 0; i < fnic->intr_count; i++)
516 vnic_intr_clean(&fnic->intr[i]);
518 mempool_destroy(fnic->io_req_pool);
520 mempool_destroy(fnic->io_sgl_pool[i]);
525 static void fnic_iounmap(struct fnic *fnic)
527 if (fnic->bar0.vaddr)
528 iounmap(fnic->bar0.vaddr);
537 struct fnic *fnic = lport_priv(lport);
539 return fnic->data_src_addr;
542 static void fnic_set_vlan(struct fnic *fnic, u16 vlan_id)
544 vnic_dev_set_default_vlan(fnic->vdev, vlan_id);
547 static int fnic_scsi_drv_init(struct fnic *fnic)
549 struct Scsi_Host *host = fnic->lport->host;
552 if (fnic->config.io_throttle_count != FNIC_UCSM_DFLT_THROTTLE_CNT_BLD)
555 fnic->config.io_throttle_count));
557 fnic->fnic_max_tag_id = host->can_queue;
558 host->max_lun = fnic->config.luns_per_tgt;
562 host->nr_hw_queues = fnic->wq_copy_count;
565 "fnic: blk-mq is not supported");
567 host->nr_hw_queues = fnic->wq_copy_count = 1;
570 "fnic: can_queue: %d max_lun: %llu",
574 "fnic: max_id: %d max_cmd_len: %d nr_hw_queues: %d",
584 struct fnic *fnic;
592 * local port, and fnic
594 lp = libfc_host_alloc(&fnic_host_template, sizeof(struct fnic));
601 fnic = lport_priv(lp);
602 fnic->lport = lp;
603 fnic->ctlr.lp = lp;
605 fnic->link_events = 0;
607 snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME,
612 fnic_stats_debugfs_init(fnic);
615 pci_set_drvdata(pdev, fnic);
617 fnic->pdev = pdev;
621 shost_printk(KERN_ERR, fnic->lport->host,
628 shost_printk(KERN_ERR, fnic->lport->host,
643 shost_printk(KERN_ERR, fnic->lport->host,
652 shost_printk(KERN_ERR, fnic->lport->host,
658 fnic->bar0.vaddr = pci_iomap(pdev, 0, 0);
659 fnic->bar0.bus_addr = pci_resource_start(pdev, 0);
660 fnic->bar0.len = pci_resource_len(pdev, 0);
662 if (!fnic->bar0.vaddr) {
663 shost_printk(KERN_ERR, fnic->lport->host,
670 fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0);
671 if (!fnic->vdev) {
672 shost_printk(KERN_ERR, fnic->lport->host,
679 err = vnic_dev_cmd_init(fnic->vdev);
681 shost_printk(KERN_ERR, fnic->lport->host,
687 err = fnic_dev_wait(fnic->vdev, vnic_dev_open,
690 shost_printk(KERN_ERR, fnic->lport->host,
695 err = vnic_dev_init(fnic->vdev, 0);
697 shost_printk(KERN_ERR, fnic->lport->host,
702 err = vnic_dev_mac_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
704 shost_printk(KERN_ERR, fnic->lport->host,
709 memcpy(fnic->data_src_addr, fnic->ctlr.ctl_src_addr, ETH_ALEN);
712 err = fnic_get_vnic_config(fnic);
714 shost_printk(KERN_ERR, fnic->lport->host,
720 fnic_scsi_drv_init(fnic);
722 fnic_get_res_counts(fnic);
724 err = fnic_set_intr_mode(fnic);
726 shost_printk(KERN_ERR, fnic->lport->host,
732 err = fnic_alloc_vnic_resources(fnic);
734 shost_printk(KERN_ERR, fnic->lport->host,
741 /* initialize all fnic locks */
742 spin_lock_init(&fnic->fnic_lock);
745 spin_lock_init(&fnic->wq_lock[i]);
748 spin_lock_init(&fnic->wq_copy_lock[i]);
749 fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK;
750 fnic->fw_ack_recd[i] = 0;
751 fnic->fw_ack_index[i] = -1;
755 spin_lock_init(&fnic->io_req_lock[i]);
757 spin_lock_init(&fnic->sgreset_lock);
760 fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache);
761 if (!fnic->io_req_pool)
767 fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool;
772 fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool;
775 fnic->vlan_hw_insert = 1;
776 fnic->vlan_id = 0;
779 fnic->ctlr.send = fnic_eth_send;
780 fnic->ctlr.update_mac = fnic_update_mac;
781 fnic->ctlr.get_src_addr = fnic_get_mac;
782 if (fnic->config.flags & VFCF_FIP_CAPABLE) {
783 shost_printk(KERN_INFO, fnic->lport->host,
786 vnic_dev_packet_filter(fnic->vdev, 1, 1, 0, 0, 0);
787 vnic_dev_add_addr(fnic->vdev, FIP_ALL_ENODE_MACS);
788 vnic_dev_add_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
789 fnic->set_vlan = fnic_set_vlan;
790 fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_AUTO);
791 timer_setup(&fnic->fip_timer, fnic_fip_notify_timer, 0);
792 spin_lock_init(&fnic->vlans_lock);
793 INIT_WORK(&fnic->fip_frame_work, fnic_handle_fip_frame);
794 INIT_WORK(&fnic->event_work, fnic_handle_event);
795 skb_queue_head_init(&fnic->fip_frame_queue);
796 INIT_LIST_HEAD(&fnic->evlist);
797 INIT_LIST_HEAD(&fnic->vlans);
799 shost_printk(KERN_INFO, fnic->lport->host,
801 fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_NON_FIP);
802 fnic->ctlr.state = FIP_ST_NON_FIP;
804 fnic->state = FNIC_IN_FC_MODE;
806 atomic_set(&fnic->in_flight, 0);
807 fnic->state_flags = FNIC_FLAGS_NONE;
810 fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1);
813 err = fnic_notify_set(fnic);
815 shost_printk(KERN_ERR, fnic->lport->host,
821 if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
822 timer_setup(&fnic->notify_timer, fnic_notify_timer, 0);
825 for (i = 0; i < fnic->rq_count; i++) {
826 vnic_rq_enable(&fnic->rq[i]);
827 err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame);
829 shost_printk(KERN_ERR, fnic->lport->host,
842 shost_printk(KERN_ERR, fnic->lport->host,
843 "fnic: scsi_add_host failed...exiting\n");
851 lp->max_retry_count = fnic->config.flogi_retries;
852 lp->max_rport_retry_count = fnic->config.plogi_retries;
855 if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR)
859 lp->e_d_tov = fnic->config.ed_tov;
860 lp->r_a_tov = fnic->config.ra_tov;
862 fc_set_wwnn(lp, fnic->config.node_wwn);
863 fc_set_wwpn(lp, fnic->config.port_wwn);
865 fcoe_libfc_config(lp, &fnic->ctlr, &fnic_transport_template, 0);
874 fnic->stats_reset_time = jiffies;
878 if (fc_set_mfs(lp, fnic->config.maxdatafieldsize +
884 fc_host_dev_loss_tmo(lp->host) = fnic->config.port_down_timeout / 1000;
887 DRV_NAME " v" DRV_VERSION " over %s", fnic->name);
890 list_add_tail(&fnic->list, &fnic_list);
893 INIT_WORK(&fnic->link_work, fnic_handle_link);
894 INIT_WORK(&fnic->frame_work, fnic_handle_frame);
895 skb_queue_head_init(&fnic->frame_queue);
896 skb_queue_head_init(&fnic->tx_queue);
899 for (i = 0; i < fnic->raw_wq_count; i++)
900 vnic_wq_enable(&fnic->wq[i]);
901 for (i = 0; i < fnic->wq_copy_count; i++)
902 vnic_wq_copy_enable(&fnic->wq_copy[i]);
906 err = fnic_request_intr(fnic);
908 shost_printk(KERN_ERR, fnic->lport->host,
913 vnic_dev_enable(fnic->vdev);
915 for (i = 0; i < fnic->intr_count; i++)
916 vnic_intr_unmask(&fnic->intr[i]);
918 fnic_notify_timer_start(fnic);
928 for (i = 0; i < fnic->rq_count; i++)
929 vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
930 vnic_dev_notify_unset(fnic->vdev);
932 mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]);
934 mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]);
936 mempool_destroy(fnic->io_req_pool);
938 fnic_free_vnic_resources(fnic);
940 fnic_clear_intr_mode(fnic);
942 vnic_dev_close(fnic->vdev);
945 vnic_dev_unregister(fnic->vdev);
947 fnic_iounmap(fnic);
953 fnic_stats_debugfs_remove(fnic);
961 struct fnic *fnic = pci_get_drvdata(pdev);
962 struct fc_lport *lp = fnic->lport;
969 * creating work items on the fnic workqueue
971 spin_lock_irqsave(&fnic->fnic_lock, flags);
972 fnic->stop_rx_link_events = 1;
973 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
975 if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI)
976 del_timer_sync(&fnic->notify_timer);
979 * Flush the fnic event queue. After this call, there should
980 * be no event queued for this fnic device in the workqueue
983 skb_queue_purge(&fnic->frame_queue);
984 skb_queue_purge(&fnic->tx_queue);
986 if (fnic->config.flags & VFCF_FIP_CAPABLE) {
987 del_timer_sync(&fnic->fip_timer);
988 skb_queue_purge(&fnic->fip_frame_queue);
989 fnic_fcoe_reset_vlans(fnic);
990 fnic_fcoe_evlist_free(fnic);
998 fc_fabric_logoff(fnic->lport);
1000 spin_lock_irqsave(&fnic->fnic_lock, flags);
1001 fnic->in_remove = 1;
1002 spin_unlock_irqrestore(&fnic->fnic_lock, flags);
1004 fcoe_ctlr_destroy(&fnic->ctlr);
1006 fnic_stats_debugfs_remove(fnic);
1009 * This stops the fnic device, masks all interrupts. Completed
1013 fnic_cleanup(fnic);
1015 BUG_ON(!skb_queue_empty(&fnic->frame_queue));
1016 BUG_ON(!skb_queue_empty(&fnic->tx_queue));
1019 list_del(&fnic->list);
1022 fc_remove_host(fnic->lport->host);
1023 scsi_remove_host(fnic->lport->host);
1024 fc_exch_mgr_free(fnic->lport);
1025 vnic_dev_notify_unset(fnic->vdev);
1026 fnic_free_intr(fnic);
1027 fnic_free_vnic_resources(fnic);
1028 fnic_clear_intr_mode(fnic);
1029 vnic_dev_close(fnic->vdev);
1030 vnic_dev_unregister(fnic->vdev);
1031 fnic_iounmap(fnic);
1051 /* Create debugfs entries for fnic */
1054 printk(KERN_ERR PFX "Failed to create fnic directory "
1083 printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n");
1095 printk(KERN_ERR PFX "failed to create fnic max sgl slab\n");
1105 printk(KERN_ERR PFX "failed to create fnic io_req slab\n");
1112 printk(KERN_ERR PFX "fnic work queue create failed\n");
1119 printk(KERN_ERR PFX "fnic FIP work queue create failed\n");