1 // SPDX-License-Identifier: GPL-2.0-only
3 * QLogic Fibre Channel HBA Driver
4 * Copyright (c) 2003-2014 QLogic Corporation
8 #include "qla_target.h"
10 #include <linux/moduleparam.h>
11 #include <linux/vmalloc.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
15 #include <scsi/scsi_tcq.h>
16 #include <scsi/scsicam.h>
17 #include <linux/delay.h>
20 qla2x00_vp_stop_timer(scsi_qla_host_t *vha)
22 if (vha->vp_idx && vha->timer_active) {
23 del_timer_sync(&vha->timer);
24 vha->timer_active = 0;
29 qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
32 struct qla_hw_data *ha = vha->hw;
35 /* Find an empty slot and assign an vp_id */
36 mutex_lock(&ha->vport_lock);
37 vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1);
38 if (vp_id > ha->max_npiv_vports) {
39 ql_dbg(ql_dbg_vport, vha, 0xa000,
40 "vp_id %d is bigger than max-supported %d.\n",
41 vp_id, ha->max_npiv_vports);
42 mutex_unlock(&ha->vport_lock);
46 set_bit(vp_id, ha->vp_idx_map);
50 spin_lock_irqsave(&ha->vport_slock, flags);
51 list_add_tail(&vha->list, &ha->vp_list);
52 spin_unlock_irqrestore(&ha->vport_slock, flags);
54 spin_lock_irqsave(&ha->hardware_lock, flags);
55 qlt_update_vp_map(vha, SET_VP_IDX);
56 spin_unlock_irqrestore(&ha->hardware_lock, flags);
58 mutex_unlock(&ha->vport_lock);
63 qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
66 struct qla_hw_data *ha = vha->hw;
67 unsigned long flags = 0;
70 mutex_lock(&ha->vport_lock);
72 * Wait for all pending activities to finish before removing vport from
74 * Lock needs to be held for safe removal from the list (it
75 * ensures no active vp_list traversal while the vport is removed
78 for (i = 0; i < 10; i++) {
79 if (wait_event_timeout(vha->vref_waitq,
80 !atomic_read(&vha->vref_count), HZ) > 0)
84 spin_lock_irqsave(&ha->vport_slock, flags);
85 if (atomic_read(&vha->vref_count)) {
86 ql_dbg(ql_dbg_vport, vha, 0xfffa,
87 "vha->vref_count=%u timeout\n", vha->vref_count.counter);
88 vha->vref_count = (atomic_t)ATOMIC_INIT(0);
91 qlt_update_vp_map(vha, RESET_VP_IDX);
92 spin_unlock_irqrestore(&ha->vport_slock, flags);
96 clear_bit(vp_id, ha->vp_idx_map);
98 mutex_unlock(&ha->vport_lock);
101 static scsi_qla_host_t *
102 qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name)
104 scsi_qla_host_t *vha;
105 struct scsi_qla_host *tvha;
108 spin_lock_irqsave(&ha->vport_slock, flags);
109 /* Locate matching device in database. */
110 list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) {
111 if (!memcmp(port_name, vha->port_name, WWN_SIZE)) {
112 spin_unlock_irqrestore(&ha->vport_slock, flags);
116 spin_unlock_irqrestore(&ha->vport_slock, flags);
121 * qla2x00_mark_vp_devices_dead
122 * Updates fcport state when device goes offline.
125 * ha = adapter block pointer.
126 * fcport = port structure pointer.
134 qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
138 * This function, if called in contexts other than vp create, disable
139 * or delete, please make sure this is synchronized with the
144 list_for_each_entry(fcport, &vha->vp_fcports, list) {
145 ql_dbg(ql_dbg_vport, vha, 0xa001,
146 "Marking port dead, loop_id=0x%04x : %x.\n",
147 fcport->loop_id, fcport->vha->vp_idx);
149 qla2x00_mark_device_lost(vha, fcport, 0);
150 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
155 qla24xx_disable_vp(scsi_qla_host_t *vha)
158 int ret = QLA_SUCCESS;
161 if (vha->hw->flags.fw_started)
162 ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
164 atomic_set(&vha->loop_state, LOOP_DOWN);
165 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
166 list_for_each_entry(fcport, &vha->vp_fcports, list)
167 fcport->logout_on_delete = 0;
169 qla2x00_mark_all_devices_lost(vha);
171 /* Remove port id from vp target map */
172 spin_lock_irqsave(&vha->hw->hardware_lock, flags);
173 qlt_update_vp_map(vha, RESET_AL_PA);
174 spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
176 qla2x00_mark_vp_devices_dead(vha);
177 atomic_set(&vha->vp_state, VP_FAILED);
178 vha->flags.management_server_logged_in = 0;
179 if (ret == QLA_SUCCESS) {
180 fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED);
182 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
189 qla24xx_enable_vp(scsi_qla_host_t *vha)
192 struct qla_hw_data *ha = vha->hw;
193 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
195 /* Check if physical ha port is Up */
196 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
197 atomic_read(&base_vha->loop_state) == LOOP_DEAD ||
198 !(ha->current_topology & ISP_CFG_F)) {
199 vha->vp_err_state = VP_ERR_PORTDWN;
200 fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN);
201 ql_dbg(ql_dbg_taskm, vha, 0x800b,
202 "%s skip enable. loop_state %x topo %x\n",
203 __func__, base_vha->loop_state.counter,
204 ha->current_topology);
209 /* Initialize the new vport unless it is a persistent port */
210 mutex_lock(&ha->vport_lock);
211 ret = qla24xx_modify_vp_config(vha);
212 mutex_unlock(&ha->vport_lock);
214 if (ret != QLA_SUCCESS) {
215 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
219 ql_dbg(ql_dbg_taskm, vha, 0x801a,
220 "Virtual port with id: %d - Enabled.\n", vha->vp_idx);
224 ql_dbg(ql_dbg_taskm, vha, 0x801b,
225 "Virtual port with id: %d - Disabled.\n", vha->vp_idx);
230 qla24xx_configure_vp(scsi_qla_host_t *vha)
232 struct fc_vport *fc_vport;
235 fc_vport = vha->fc_vport;
237 ql_dbg(ql_dbg_vport, vha, 0xa002,
238 "%s: change request #3.\n", __func__);
239 ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx);
240 if (ret != QLA_SUCCESS) {
241 ql_dbg(ql_dbg_vport, vha, 0xa003, "Failed to enable "
242 "receiving of RSCN requests: 0x%x.\n", ret);
245 /* Corresponds to SCR enabled */
246 clear_bit(VP_SCR_NEEDED, &vha->vp_flags);
249 vha->flags.online = 1;
250 if (qla24xx_configure_vhba(vha))
253 atomic_set(&vha->vp_state, VP_ACTIVE);
254 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
258 qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb)
260 scsi_qla_host_t *vha;
261 struct qla_hw_data *ha = rsp->hw;
265 spin_lock_irqsave(&ha->vport_slock, flags);
266 list_for_each_entry(vha, &ha->vp_list, list) {
268 if (test_bit(VPORT_DELETE, &vha->dpc_flags))
271 atomic_inc(&vha->vref_count);
272 spin_unlock_irqrestore(&ha->vport_slock, flags);
275 case MBA_LIP_OCCURRED:
279 case MBA_POINT_TO_POINT:
280 case MBA_CHG_IN_CONNECTION:
281 ql_dbg(ql_dbg_async, vha, 0x5024,
282 "Async_event for VP[%d], mb=0x%x vha=%p.\n",
284 qla2x00_async_event(vha, rsp, mb);
286 case MBA_PORT_UPDATE:
287 case MBA_RSCN_UPDATE:
288 if ((mb[3] & 0xff) == vha->vp_idx) {
289 ql_dbg(ql_dbg_async, vha, 0x5024,
290 "Async_event for VP[%d], mb=0x%x vha=%p\n",
292 qla2x00_async_event(vha, rsp, mb);
297 spin_lock_irqsave(&ha->vport_slock, flags);
298 atomic_dec(&vha->vref_count);
299 wake_up(&vha->vref_waitq);
303 spin_unlock_irqrestore(&ha->vport_slock, flags);
307 qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
312 * To exclusively reset vport, we need to log it out first.
313 * Note: This control_vp can fail if ISP reset is already
314 * issued, this is expected, as the vp would be already
315 * logged out due to ISP reset.
317 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
318 qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
319 list_for_each_entry(fcport, &vha->vp_fcports, list)
320 fcport->logout_on_delete = 0;
324 * Physical port will do most of the abort and recovery work. We can
325 * just treat it as a loop down
327 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
328 atomic_set(&vha->loop_state, LOOP_DOWN);
329 qla2x00_mark_all_devices_lost(vha);
331 if (!atomic_read(&vha->loop_down_timer))
332 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
335 ql_dbg(ql_dbg_taskm, vha, 0x801d,
336 "Scheduling enable of Vport %d.\n", vha->vp_idx);
338 return qla24xx_enable_vp(vha);
342 qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
344 struct qla_hw_data *ha = vha->hw;
345 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
347 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x4012,
348 "Entering %s vp_flags: 0x%lx.\n", __func__, vha->vp_flags);
350 /* Check if Fw is ready to configure VP first */
351 if (test_bit(VP_CONFIG_OK, &base_vha->vp_flags)) {
352 if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) {
353 /* VP acquired. complete port configuration */
354 ql_dbg(ql_dbg_dpc, vha, 0x4014,
355 "Configure VP scheduled.\n");
356 qla24xx_configure_vp(vha);
357 ql_dbg(ql_dbg_dpc, vha, 0x4015,
358 "Configure VP end.\n");
363 if (test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags)) {
364 if (atomic_read(&vha->loop_state) == LOOP_READY) {
365 qla24xx_process_purex_list(&vha->purex_list);
366 clear_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags);
370 if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) {
371 ql_dbg(ql_dbg_dpc, vha, 0x4016,
372 "FCPort update scheduled.\n");
373 qla2x00_update_fcports(vha);
374 clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
375 ql_dbg(ql_dbg_dpc, vha, 0x4017,
376 "FCPort update end.\n");
379 if (test_bit(RELOGIN_NEEDED, &vha->dpc_flags) &&
380 !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) &&
381 atomic_read(&vha->loop_state) != LOOP_DOWN) {
383 if (!vha->relogin_jif ||
384 time_after_eq(jiffies, vha->relogin_jif)) {
385 vha->relogin_jif = jiffies + HZ;
386 clear_bit(RELOGIN_NEEDED, &vha->dpc_flags);
388 ql_dbg(ql_dbg_dpc, vha, 0x4018,
389 "Relogin needed scheduled.\n");
390 qla24xx_post_relogin_work(vha);
394 if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) &&
395 (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) {
396 clear_bit(RESET_ACTIVE, &vha->dpc_flags);
399 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
400 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) {
401 ql_dbg(ql_dbg_dpc, vha, 0x401a,
402 "Loop resync scheduled.\n");
403 qla2x00_loop_resync(vha);
404 clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags);
405 ql_dbg(ql_dbg_dpc, vha, 0x401b,
406 "Loop resync end.\n");
410 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x401c,
411 "Exiting %s.\n", __func__);
416 qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha)
418 struct qla_hw_data *ha = vha->hw;
420 unsigned long flags = 0;
424 if (list_empty(&ha->vp_list))
427 clear_bit(VP_DPC_NEEDED, &vha->dpc_flags);
429 if (!(ha->current_topology & ISP_CFG_F))
432 spin_lock_irqsave(&ha->vport_slock, flags);
433 list_for_each_entry(vp, &ha->vp_list, list) {
435 atomic_inc(&vp->vref_count);
436 spin_unlock_irqrestore(&ha->vport_slock, flags);
438 qla2x00_do_dpc_vp(vp);
440 spin_lock_irqsave(&ha->vport_slock, flags);
441 atomic_dec(&vp->vref_count);
444 spin_unlock_irqrestore(&ha->vport_slock, flags);
448 qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport)
450 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
451 struct qla_hw_data *ha = base_vha->hw;
452 scsi_qla_host_t *vha;
453 uint8_t port_name[WWN_SIZE];
455 if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR)
456 return VPCERR_UNSUPPORTED;
458 /* Check up the F/W and H/W support NPIV */
459 if (!ha->flags.npiv_supported)
460 return VPCERR_UNSUPPORTED;
462 /* Check up whether npiv supported switch presented */
463 if (!(ha->switch_cap & FLOGI_MID_SUPPORT))
464 return VPCERR_NO_FABRIC_SUPP;
466 /* Check up unique WWPN */
467 u64_to_wwn(fc_vport->port_name, port_name);
468 if (!memcmp(port_name, base_vha->port_name, WWN_SIZE))
469 return VPCERR_BAD_WWN;
470 vha = qla24xx_find_vhost_by_name(ha, port_name);
472 return VPCERR_BAD_WWN;
474 /* Check up max-npiv-supports */
475 if (ha->num_vhosts > ha->max_npiv_vports) {
476 ql_dbg(ql_dbg_vport, vha, 0xa004,
477 "num_vhosts %ud is bigger "
478 "than max_npiv_vports %ud.\n",
479 ha->num_vhosts, ha->max_npiv_vports);
480 return VPCERR_UNSUPPORTED;
486 qla24xx_create_vhost(struct fc_vport *fc_vport)
488 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
489 struct qla_hw_data *ha = base_vha->hw;
490 scsi_qla_host_t *vha;
491 struct scsi_host_template *sht = &qla2xxx_driver_template;
492 struct Scsi_Host *host;
494 vha = qla2x00_create_host(sht, ha);
496 ql_log(ql_log_warn, vha, 0xa005,
497 "scsi_host_alloc() failed for vport.\n");
502 fc_vport->dd_data = vha;
504 u64_to_wwn(fc_vport->node_name, vha->node_name);
505 u64_to_wwn(fc_vport->port_name, vha->port_name);
507 vha->fc_vport = fc_vport;
508 vha->device_flags = 0;
509 vha->vp_idx = qla24xx_allocate_vp_id(vha);
510 if (vha->vp_idx > ha->max_npiv_vports) {
511 ql_dbg(ql_dbg_vport, vha, 0xa006,
512 "Couldn't allocate vp_id.\n");
513 goto create_vhost_failed;
515 vha->mgmt_svr_loop_id = qla2x00_reserve_mgmt_server_loop_id(vha);
519 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
520 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
523 * To fix the issue of processing a parent's RSCN for the vport before
524 * its SCR is complete.
526 set_bit(VP_SCR_NEEDED, &vha->vp_flags);
527 atomic_set(&vha->loop_state, LOOP_DOWN);
528 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
530 qla2x00_start_timer(vha, WATCH_INTERVAL);
532 vha->req = base_vha->req;
533 vha->flags.nvme_enabled = base_vha->flags.nvme_enabled;
534 host->can_queue = base_vha->req->length + 128;
535 host->cmd_per_lun = 3;
536 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
537 host->max_cmd_len = 32;
539 host->max_cmd_len = MAX_CMDSZ;
540 host->max_channel = MAX_BUSES - 1;
541 host->max_lun = ql2xmaxlun;
542 host->unique_id = host->host_no;
543 host->max_id = ha->max_fibre_devices;
544 host->transportt = qla2xxx_transport_vport_template;
546 ql_dbg(ql_dbg_vport, vha, 0xa007,
547 "Detect vport hba %ld at address = %p.\n",
550 vha->flags.init_done = 1;
552 mutex_lock(&ha->vport_lock);
553 set_bit(vha->vp_idx, ha->vp_idx_map);
554 ha->cur_vport_count++;
555 mutex_unlock(&ha->vport_lock);
564 qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req)
566 struct qla_hw_data *ha = vha->hw;
567 uint16_t que_id = req->id;
569 dma_free_coherent(&ha->pdev->dev, (req->length + 1) *
570 sizeof(request_t), req->ring, req->dma);
574 ha->req_q_map[que_id] = NULL;
575 mutex_lock(&ha->vport_lock);
576 clear_bit(que_id, ha->req_qid_map);
577 mutex_unlock(&ha->vport_lock);
579 kfree(req->outstanding_cmds);
585 qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
587 struct qla_hw_data *ha = vha->hw;
588 uint16_t que_id = rsp->id;
590 if (rsp->msix && rsp->msix->have_irq) {
591 free_irq(rsp->msix->vector, rsp->msix->handle);
592 rsp->msix->have_irq = 0;
593 rsp->msix->in_use = 0;
594 rsp->msix->handle = NULL;
596 dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) *
597 sizeof(response_t), rsp->ring, rsp->dma);
601 ha->rsp_q_map[que_id] = NULL;
602 mutex_lock(&ha->vport_lock);
603 clear_bit(que_id, ha->rsp_qid_map);
604 mutex_unlock(&ha->vport_lock);
611 qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req)
613 int ret = QLA_SUCCESS;
615 if (req && vha->flags.qpairs_req_created) {
616 req->options |= BIT_0;
617 ret = qla25xx_init_req_que(vha, req);
618 if (ret != QLA_SUCCESS)
619 return QLA_FUNCTION_FAILED;
621 qla25xx_free_req_que(vha, req);
628 qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
630 int ret = QLA_SUCCESS;
632 if (rsp && vha->flags.qpairs_rsp_created) {
633 rsp->options |= BIT_0;
634 ret = qla25xx_init_rsp_que(vha, rsp);
635 if (ret != QLA_SUCCESS)
636 return QLA_FUNCTION_FAILED;
638 qla25xx_free_rsp_que(vha, rsp);
644 /* Delete all queues for a given vhost */
646 qla25xx_delete_queues(struct scsi_qla_host *vha)
649 struct req_que *req = NULL;
650 struct rsp_que *rsp = NULL;
651 struct qla_hw_data *ha = vha->hw;
652 struct qla_qpair *qpair, *tqpair;
654 if (ql2xmqsupport || ql2xnvmeenable) {
655 list_for_each_entry_safe(qpair, tqpair, &vha->qp_list,
657 qla2xxx_delete_qpair(vha, qpair);
659 /* Delete request queues */
660 for (cnt = 1; cnt < ha->max_req_queues; cnt++) {
661 req = ha->req_q_map[cnt];
662 if (req && test_bit(cnt, ha->req_qid_map)) {
663 ret = qla25xx_delete_req_que(vha, req);
664 if (ret != QLA_SUCCESS) {
665 ql_log(ql_log_warn, vha, 0x00ea,
666 "Couldn't delete req que %d.\n",
673 /* Delete response queues */
674 for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) {
675 rsp = ha->rsp_q_map[cnt];
676 if (rsp && test_bit(cnt, ha->rsp_qid_map)) {
677 ret = qla25xx_delete_rsp_que(vha, rsp);
678 if (ret != QLA_SUCCESS) {
679 ql_log(ql_log_warn, vha, 0x00eb,
680 "Couldn't delete rsp que %d.\n",
692 qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options,
693 uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos, bool startqp)
696 struct req_que *req = NULL;
697 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
698 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
703 req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
705 ql_log(ql_log_fatal, base_vha, 0x00d9,
706 "Failed to allocate memory for request queue.\n");
710 req->length = REQUEST_ENTRY_CNT_24XX;
711 req->ring = dma_alloc_coherent(&ha->pdev->dev,
712 (req->length + 1) * sizeof(request_t),
713 &req->dma, GFP_KERNEL);
714 if (req->ring == NULL) {
715 ql_log(ql_log_fatal, base_vha, 0x00da,
716 "Failed to allocate memory for request_ring.\n");
720 ret = qla2x00_alloc_outstanding_cmds(ha, req);
721 if (ret != QLA_SUCCESS)
724 mutex_lock(&ha->mq_lock);
725 que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues);
726 if (que_id >= ha->max_req_queues) {
727 mutex_unlock(&ha->mq_lock);
728 ql_log(ql_log_warn, base_vha, 0x00db,
729 "No resources to create additional request queue.\n");
732 set_bit(que_id, ha->req_qid_map);
733 ha->req_q_map[que_id] = req;
735 req->vp_idx = vp_idx;
738 ql_dbg(ql_dbg_multiq, base_vha, 0xc002,
739 "queue_id=%d rid=%d vp_idx=%d qos=%d.\n",
740 que_id, req->rid, req->vp_idx, req->qos);
741 ql_dbg(ql_dbg_init, base_vha, 0x00dc,
742 "queue_id=%d rid=%d vp_idx=%d qos=%d.\n",
743 que_id, req->rid, req->vp_idx, req->qos);
747 req->rsp = ha->rsp_q_map[rsp_que];
748 /* Use alternate PCI bus number */
751 /* Use alternate PCI devfn */
754 req->options = options;
756 ql_dbg(ql_dbg_multiq, base_vha, 0xc003,
757 "options=0x%x.\n", req->options);
758 ql_dbg(ql_dbg_init, base_vha, 0x00dd,
759 "options=0x%x.\n", req->options);
760 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
761 req->outstanding_cmds[cnt] = NULL;
762 req->current_outstanding_cmd = 1;
764 req->ring_ptr = req->ring;
766 req->cnt = req->length;
768 reg = ISP_QUE_REG(ha, que_id);
769 req->req_q_in = ®->isp25mq.req_q_in;
770 req->req_q_out = ®->isp25mq.req_q_out;
771 req->max_q_depth = ha->req_q_map[0]->max_q_depth;
772 req->out_ptr = (uint16_t *)(req->ring + req->length);
773 mutex_unlock(&ha->mq_lock);
774 ql_dbg(ql_dbg_multiq, base_vha, 0xc004,
775 "ring_ptr=%p ring_index=%d, "
776 "cnt=%d id=%d max_q_depth=%d.\n",
777 req->ring_ptr, req->ring_index,
778 req->cnt, req->id, req->max_q_depth);
779 ql_dbg(ql_dbg_init, base_vha, 0x00de,
780 "ring_ptr=%p ring_index=%d, "
781 "cnt=%d id=%d max_q_depth=%d.\n",
782 req->ring_ptr, req->ring_index, req->cnt,
783 req->id, req->max_q_depth);
786 ret = qla25xx_init_req_que(base_vha, req);
787 if (ret != QLA_SUCCESS) {
788 ql_log(ql_log_fatal, base_vha, 0x00df,
789 "%s failed.\n", __func__);
790 mutex_lock(&ha->mq_lock);
791 clear_bit(que_id, ha->req_qid_map);
792 mutex_unlock(&ha->mq_lock);
795 vha->flags.qpairs_req_created = 1;
801 qla25xx_free_req_que(base_vha, req);
806 static void qla_do_work(struct work_struct *work)
809 struct qla_qpair *qpair = container_of(work, struct qla_qpair, q_work);
810 struct scsi_qla_host *vha = qpair->vha;
812 spin_lock_irqsave(&qpair->qp_lock, flags);
813 qla24xx_process_response_queue(vha, qpair->rsp);
814 spin_unlock_irqrestore(&qpair->qp_lock, flags);
818 /* create response queue */
820 qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options,
821 uint8_t vp_idx, uint16_t rid, struct qla_qpair *qpair, bool startqp)
824 struct rsp_que *rsp = NULL;
825 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
826 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
830 rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
832 ql_log(ql_log_warn, base_vha, 0x0066,
833 "Failed to allocate memory for response queue.\n");
837 rsp->length = RESPONSE_ENTRY_CNT_MQ;
838 rsp->ring = dma_alloc_coherent(&ha->pdev->dev,
839 (rsp->length + 1) * sizeof(response_t),
840 &rsp->dma, GFP_KERNEL);
841 if (rsp->ring == NULL) {
842 ql_log(ql_log_warn, base_vha, 0x00e1,
843 "Failed to allocate memory for response ring.\n");
847 mutex_lock(&ha->mq_lock);
848 que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues);
849 if (que_id >= ha->max_rsp_queues) {
850 mutex_unlock(&ha->mq_lock);
851 ql_log(ql_log_warn, base_vha, 0x00e2,
852 "No resources to create additional request queue.\n");
855 set_bit(que_id, ha->rsp_qid_map);
857 rsp->msix = qpair->msix;
859 ha->rsp_q_map[que_id] = rsp;
861 rsp->vp_idx = vp_idx;
863 ql_dbg(ql_dbg_init, base_vha, 0x00e4,
864 "rsp queue_id=%d rid=%d vp_idx=%d hw=%p.\n",
865 que_id, rsp->rid, rsp->vp_idx, rsp->hw);
866 /* Use alternate PCI bus number */
869 /* Use alternate PCI devfn */
872 /* Enable MSIX handshake mode on for uncapable adapters */
873 if (!IS_MSIX_NACK_CAPABLE(ha))
876 /* Set option to indicate response queue creation */
879 rsp->options = options;
881 reg = ISP_QUE_REG(ha, que_id);
882 rsp->rsp_q_in = ®->isp25mq.rsp_q_in;
883 rsp->rsp_q_out = ®->isp25mq.rsp_q_out;
884 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
885 mutex_unlock(&ha->mq_lock);
886 ql_dbg(ql_dbg_multiq, base_vha, 0xc00b,
887 "options=%x id=%d rsp_q_in=%p rsp_q_out=%p\n",
888 rsp->options, rsp->id, rsp->rsp_q_in,
890 ql_dbg(ql_dbg_init, base_vha, 0x00e5,
891 "options=%x id=%d rsp_q_in=%p rsp_q_out=%p\n",
892 rsp->options, rsp->id, rsp->rsp_q_in,
895 ret = qla25xx_request_irq(ha, qpair, qpair->msix,
896 ha->flags.disable_msix_handshake ?
897 QLA_MSIX_QPAIR_MULTIQ_RSP_Q : QLA_MSIX_QPAIR_MULTIQ_RSP_Q_HS);
902 ret = qla25xx_init_rsp_que(base_vha, rsp);
903 if (ret != QLA_SUCCESS) {
904 ql_log(ql_log_fatal, base_vha, 0x00e7,
905 "%s failed.\n", __func__);
906 mutex_lock(&ha->mq_lock);
907 clear_bit(que_id, ha->rsp_qid_map);
908 mutex_unlock(&ha->mq_lock);
911 vha->flags.qpairs_rsp_created = 1;
915 qla2x00_init_response_q_entries(rsp);
917 INIT_WORK(&qpair->q_work, qla_do_work);
921 qla25xx_free_rsp_que(base_vha, rsp);
926 static void qla_ctrlvp_sp_done(srb_t *sp, int res)
930 /* don't free sp here. Let the caller do the free */
934 * qla24xx_control_vp() - Enable a virtual port for given host
935 * @vha: adapter block pointer
936 * @cmd: command type to be sent for enable virtual port
938 * Return: qla2xxx local function return status code.
940 int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
942 int rval = QLA_MEMORY_ALLOC_FAILED;
943 struct qla_hw_data *ha = vha->hw;
944 int vp_index = vha->vp_idx;
945 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
946 DECLARE_COMPLETION_ONSTACK(comp);
949 ql_dbg(ql_dbg_vport, vha, 0x10c1,
950 "Entered %s cmd %x index %d.\n", __func__, cmd, vp_index);
952 if (vp_index == 0 || vp_index >= ha->max_npiv_vports)
953 return QLA_PARAMETER_ERROR;
955 sp = qla2x00_get_sp(base_vha, NULL, GFP_KERNEL);
959 sp->type = SRB_CTRL_VP;
960 sp->name = "ctrl_vp";
962 sp->done = qla_ctrlvp_sp_done;
963 sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
964 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
965 sp->u.iocb_cmd.u.ctrlvp.cmd = cmd;
966 sp->u.iocb_cmd.u.ctrlvp.vp_index = vp_index;
968 rval = qla2x00_start_sp(sp);
969 if (rval != QLA_SUCCESS) {
970 ql_dbg(ql_dbg_async, vha, 0xffff,
971 "%s: %s Failed submission. %x.\n",
972 __func__, sp->name, rval);
976 ql_dbg(ql_dbg_vport, vha, 0x113f, "%s hndl %x submitted\n",
977 sp->name, sp->handle);
979 wait_for_completion(&comp);
984 case QLA_FUNCTION_TIMEOUT:
985 ql_dbg(ql_dbg_vport, vha, 0xffff, "%s: %s Timeout. %x.\n",
986 __func__, sp->name, rval);
989 ql_dbg(ql_dbg_vport, vha, 0xffff, "%s: %s done.\n",
993 ql_dbg(ql_dbg_vport, vha, 0xffff, "%s: %s Failed. %x.\n",
994 __func__, sp->name, rval);