2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/delay.h>
10 #include <linux/slab.h>
11 #include <scsi/scsi_tcq.h>
12 #include <scsi/scsi_bsg_fc.h>
13 #include <scsi/scsi_eh.h>
15 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
16 static void qla2x00_process_completed_request(struct scsi_qla_host *,
17 struct req_que *, uint32_t);
18 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
19 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
20 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
26 * @dev_id: SCSI driver HA context
28 * Called by system whenever the host adapter generates an interrupt.
30 * Returns handled flag.
33 qla2100_intr_handler(int irq, void *dev_id)
36 struct qla_hw_data *ha;
37 struct device_reg_2xxx __iomem *reg;
45 rsp = (struct rsp_que *) dev_id;
47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
53 reg = &ha->iobase->isp;
56 spin_lock_irqsave(&ha->hardware_lock, flags);
57 vha = pci_get_drvdata(ha->pdev);
58 for (iter = 50; iter--; ) {
59 hccr = RD_REG_WORD(®->hccr);
60 if (hccr & HCCR_RISC_PAUSE) {
61 if (pci_channel_offline(ha->pdev))
65 * Issue a "HARD" reset in order for the RISC interrupt
66 * bit to be cleared. Schedule a big hammer to get
67 * out of the RISC PAUSED state.
69 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
70 RD_REG_WORD(®->hccr);
72 ha->isp_ops->fw_dump(vha, 1);
73 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
75 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
78 if (RD_REG_WORD(®->semaphore) & BIT_0) {
79 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
80 RD_REG_WORD(®->hccr);
82 /* Get mailbox data. */
83 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
84 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
85 qla2x00_mbx_completion(vha, mb[0]);
86 status |= MBX_INTERRUPT;
87 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
88 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
89 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
90 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
91 qla2x00_async_event(vha, rsp, mb);
94 ql_dbg(ql_dbg_async, vha, 0x5025,
95 "Unrecognized interrupt type (%d).\n",
98 /* Release mailbox registers. */
99 WRT_REG_WORD(®->semaphore, 0);
100 RD_REG_WORD(®->semaphore);
102 qla2x00_process_response_queue(rsp);
104 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
105 RD_REG_WORD(®->hccr);
108 spin_unlock_irqrestore(&ha->hardware_lock, flags);
110 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
111 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
112 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
113 complete(&ha->mbx_intr_comp);
116 return (IRQ_HANDLED);
120 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
122 * @dev_id: SCSI driver HA context
124 * Called by system whenever the host adapter generates an interrupt.
126 * Returns handled flag.
129 qla2300_intr_handler(int irq, void *dev_id)
131 scsi_qla_host_t *vha;
132 struct device_reg_2xxx __iomem *reg;
139 struct qla_hw_data *ha;
142 rsp = (struct rsp_que *) dev_id;
144 ql_log(ql_log_info, NULL, 0x5058,
145 "%s: NULL response queue pointer.\n", __func__);
150 reg = &ha->iobase->isp;
153 spin_lock_irqsave(&ha->hardware_lock, flags);
154 vha = pci_get_drvdata(ha->pdev);
155 for (iter = 50; iter--; ) {
156 stat = RD_REG_DWORD(®->u.isp2300.host_status);
157 if (stat & HSR_RISC_PAUSED) {
158 if (unlikely(pci_channel_offline(ha->pdev)))
161 hccr = RD_REG_WORD(®->hccr);
162 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
163 ql_log(ql_log_warn, vha, 0x5026,
164 "Parity error -- HCCR=%x, Dumping "
165 "firmware.\n", hccr);
167 ql_log(ql_log_warn, vha, 0x5027,
168 "RISC paused -- HCCR=%x, Dumping "
169 "firmware.\n", hccr);
172 * Issue a "HARD" reset in order for the RISC
173 * interrupt bit to be cleared. Schedule a big
174 * hammer to get out of the RISC PAUSED state.
176 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
177 RD_REG_WORD(®->hccr);
179 ha->isp_ops->fw_dump(vha, 1);
180 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
182 } else if ((stat & HSR_RISC_INT) == 0)
185 switch (stat & 0xff) {
190 qla2x00_mbx_completion(vha, MSW(stat));
191 status |= MBX_INTERRUPT;
193 /* Release mailbox registers. */
194 WRT_REG_WORD(®->semaphore, 0);
198 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
199 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
200 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
201 qla2x00_async_event(vha, rsp, mb);
204 qla2x00_process_response_queue(rsp);
207 mb[0] = MBA_CMPLT_1_16BIT;
209 qla2x00_async_event(vha, rsp, mb);
212 mb[0] = MBA_SCSI_COMPLETION;
214 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
215 qla2x00_async_event(vha, rsp, mb);
218 ql_dbg(ql_dbg_async, vha, 0x5028,
219 "Unrecognized interrupt type (%d).\n", stat & 0xff);
222 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
223 RD_REG_WORD_RELAXED(®->hccr);
225 spin_unlock_irqrestore(&ha->hardware_lock, flags);
227 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
228 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
229 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
230 complete(&ha->mbx_intr_comp);
233 return (IRQ_HANDLED);
237 * qla2x00_mbx_completion() - Process mailbox command completions.
238 * @ha: SCSI driver HA context
239 * @mb0: Mailbox0 register
242 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
246 uint16_t __iomem *wptr;
247 struct qla_hw_data *ha = vha->hw;
248 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
250 /* Read all mbox registers? */
251 mboxes = (1 << ha->mbx_count) - 1;
253 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERRROR.\n");
255 mboxes = ha->mcp->in_mb;
257 /* Load return mailbox registers. */
258 ha->flags.mbox_int = 1;
259 ha->mailbox_out[0] = mb0;
261 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
263 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
264 if (IS_QLA2200(ha) && cnt == 8)
265 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
266 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
267 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
268 else if (mboxes & BIT_0)
269 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
277 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
279 static char *event[] =
280 { "Complete", "Request Notification", "Time Extension" };
282 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
283 uint16_t __iomem *wptr;
284 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
286 /* Seed data -- mailbox1 -> mailbox7. */
287 wptr = (uint16_t __iomem *)®24->mailbox1;
288 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
289 mb[cnt] = RD_REG_WORD(wptr);
291 ql_dbg(ql_dbg_async, vha, 0x5021,
292 "Inter-Driver Communication %s -- "
293 "%04x %04x %04x %04x %04x %04x %04x.\n",
294 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
295 mb[4], mb[5], mb[6]);
297 /* Acknowledgement needed? [Notify && non-zero timeout]. */
298 timeout = (descr >> 8) & 0xf;
299 if (aen != MBA_IDC_NOTIFY || !timeout)
302 ql_dbg(ql_dbg_async, vha, 0x5022,
303 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
304 vha->host_no, event[aen & 0xff], timeout);
306 rval = qla2x00_post_idc_ack_work(vha, mb);
307 if (rval != QLA_SUCCESS)
308 ql_log(ql_log_warn, vha, 0x5023,
309 "IDC failed to post ACK.\n");
313 * qla2x00_async_event() - Process aynchronous events.
314 * @ha: SCSI driver HA context
315 * @mb: Mailbox registers (0 - 3)
318 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
321 static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" };
326 struct qla_hw_data *ha = vha->hw;
327 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
328 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
329 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
330 uint32_t rscn_entry, host_pid;
333 /* Setup to process RIO completion. */
335 if (IS_CNA_CAPABLE(ha))
338 case MBA_SCSI_COMPLETION:
339 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
342 case MBA_CMPLT_1_16BIT:
345 mb[0] = MBA_SCSI_COMPLETION;
347 case MBA_CMPLT_2_16BIT:
351 mb[0] = MBA_SCSI_COMPLETION;
353 case MBA_CMPLT_3_16BIT:
358 mb[0] = MBA_SCSI_COMPLETION;
360 case MBA_CMPLT_4_16BIT:
364 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
366 mb[0] = MBA_SCSI_COMPLETION;
368 case MBA_CMPLT_5_16BIT:
372 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
373 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
375 mb[0] = MBA_SCSI_COMPLETION;
377 case MBA_CMPLT_2_32BIT:
378 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
379 handles[1] = le32_to_cpu(
380 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
381 RD_MAILBOX_REG(ha, reg, 6));
383 mb[0] = MBA_SCSI_COMPLETION;
390 case MBA_SCSI_COMPLETION: /* Fast Post */
391 if (!vha->flags.online)
394 for (cnt = 0; cnt < handle_cnt; cnt++)
395 qla2x00_process_completed_request(vha, rsp->req,
399 case MBA_RESET: /* Reset */
400 ql_dbg(ql_dbg_async, vha, 0x5002,
401 "Asynchronous RESET.\n");
403 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
406 case MBA_SYSTEM_ERR: /* System Error */
407 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ?
408 RD_REG_WORD(®24->mailbox7) : 0;
409 ql_log(ql_log_warn, vha, 0x5003,
410 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
411 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
413 ha->isp_ops->fw_dump(vha, 1);
415 if (IS_FWI2_CAPABLE(ha)) {
416 if (mb[1] == 0 && mb[2] == 0) {
417 ql_log(ql_log_fatal, vha, 0x5004,
418 "Unrecoverable Hardware Error: adapter "
419 "marked OFFLINE!\n");
420 vha->flags.online = 0;
421 vha->device_flags |= DFLG_DEV_FAILED;
423 /* Check to see if MPI timeout occurred */
424 if ((mbx & MBX_3) && (ha->flags.port0))
425 set_bit(MPI_RESET_NEEDED,
428 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
430 } else if (mb[1] == 0) {
431 ql_log(ql_log_fatal, vha, 0x5005,
432 "Unrecoverable Hardware Error: adapter marked "
434 vha->flags.online = 0;
435 vha->device_flags |= DFLG_DEV_FAILED;
437 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
440 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
441 ql_log(ql_log_warn, vha, 0x5006,
442 "ISP Request Transfer Error (%x).\n", mb[1]);
444 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
447 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
448 ql_log(ql_log_warn, vha, 0x5007,
449 "ISP Response Transfer Error.\n");
451 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
454 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
455 ql_dbg(ql_dbg_async, vha, 0x5008,
456 "Asynchronous WAKEUP_THRES.\n");
459 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
460 ql_dbg(ql_dbg_async, vha, 0x5009,
461 "LIP occurred (%x).\n", mb[1]);
463 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
464 atomic_set(&vha->loop_state, LOOP_DOWN);
465 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
466 qla2x00_mark_all_devices_lost(vha, 1);
470 atomic_set(&vha->vp_state, VP_FAILED);
471 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
474 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
475 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
477 vha->flags.management_server_logged_in = 0;
478 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
481 case MBA_LOOP_UP: /* Loop Up Event */
482 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
483 link_speed = link_speeds[0];
484 ha->link_data_rate = PORT_SPEED_1GB;
486 link_speed = link_speeds[LS_UNKNOWN];
488 link_speed = link_speeds[mb[1]];
489 else if (mb[1] == 0x13)
490 link_speed = link_speeds[6];
491 ha->link_data_rate = mb[1];
494 ql_dbg(ql_dbg_async, vha, 0x500a,
495 "LOOP UP detected (%s Gbps).\n", link_speed);
497 vha->flags.management_server_logged_in = 0;
498 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
501 case MBA_LOOP_DOWN: /* Loop Down Event */
502 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
503 ? RD_REG_WORD(®24->mailbox4) : 0;
504 mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx;
505 ql_dbg(ql_dbg_async, vha, 0x500b,
506 "LOOP DOWN detected (%x %x %x %x).\n",
507 mb[1], mb[2], mb[3], mbx);
509 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
510 atomic_set(&vha->loop_state, LOOP_DOWN);
511 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
512 vha->device_flags |= DFLG_NO_CABLE;
513 qla2x00_mark_all_devices_lost(vha, 1);
517 atomic_set(&vha->vp_state, VP_FAILED);
518 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
521 vha->flags.management_server_logged_in = 0;
522 ha->link_data_rate = PORT_SPEED_UNKNOWN;
523 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
526 case MBA_LIP_RESET: /* LIP reset occurred */
527 ql_dbg(ql_dbg_async, vha, 0x500c,
528 "LIP reset occurred (%x).\n", mb[1]);
530 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
531 atomic_set(&vha->loop_state, LOOP_DOWN);
532 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
533 qla2x00_mark_all_devices_lost(vha, 1);
537 atomic_set(&vha->vp_state, VP_FAILED);
538 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
541 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
543 ha->operating_mode = LOOP;
544 vha->flags.management_server_logged_in = 0;
545 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
548 /* case MBA_DCBX_COMPLETE: */
549 case MBA_POINT_TO_POINT: /* Point-to-Point */
553 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) {
554 ql_dbg(ql_dbg_async, vha, 0x500d,
555 "DCBX Completed -- %04x %04x %04x.\n",
556 mb[1], mb[2], mb[3]);
557 if (ha->notify_dcbx_comp)
558 complete(&ha->dcbx_comp);
561 ql_dbg(ql_dbg_async, vha, 0x500e,
562 "Asynchronous P2P MODE received.\n");
565 * Until there's a transition from loop down to loop up, treat
566 * this as loop down only.
568 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
569 atomic_set(&vha->loop_state, LOOP_DOWN);
570 if (!atomic_read(&vha->loop_down_timer))
571 atomic_set(&vha->loop_down_timer,
573 qla2x00_mark_all_devices_lost(vha, 1);
577 atomic_set(&vha->vp_state, VP_FAILED);
578 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
581 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
582 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
584 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
585 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
587 ha->flags.gpsc_supported = 1;
588 vha->flags.management_server_logged_in = 0;
591 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
595 ql_dbg(ql_dbg_async, vha, 0x500f,
596 "Configuration change detected: value=%x.\n", mb[1]);
598 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
599 atomic_set(&vha->loop_state, LOOP_DOWN);
600 if (!atomic_read(&vha->loop_down_timer))
601 atomic_set(&vha->loop_down_timer,
603 qla2x00_mark_all_devices_lost(vha, 1);
607 atomic_set(&vha->vp_state, VP_FAILED);
608 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
611 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
612 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
615 case MBA_PORT_UPDATE: /* Port database update */
617 * Handle only global and vn-port update events
620 * mb[1] = N_Port handle of changed port
621 * OR 0xffff for global event
622 * mb[2] = New login state
623 * 7 = Port logged out
624 * mb[3] = LSB is vp_idx, 0xff = all vps
626 * Skip processing if:
627 * Event is global, vp_idx is NOT all vps,
628 * vp_idx does not match
629 * Event is not global, vp_idx does not match
631 if (IS_QLA2XXX_MIDTYPE(ha) &&
632 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
633 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
636 /* Global event -- port logout or port unavailable. */
637 if (mb[1] == 0xffff && mb[2] == 0x7) {
638 ql_dbg(ql_dbg_async, vha, 0x5010,
639 "Port unavailable %04x %04x %04x.\n",
640 mb[1], mb[2], mb[3]);
642 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
643 atomic_set(&vha->loop_state, LOOP_DOWN);
644 atomic_set(&vha->loop_down_timer,
646 vha->device_flags |= DFLG_NO_CABLE;
647 qla2x00_mark_all_devices_lost(vha, 1);
651 atomic_set(&vha->vp_state, VP_FAILED);
652 fc_vport_set_state(vha->fc_vport,
654 qla2x00_mark_all_devices_lost(vha, 1);
657 vha->flags.management_server_logged_in = 0;
658 ha->link_data_rate = PORT_SPEED_UNKNOWN;
663 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
664 * event etc. earlier indicating loop is down) then process
665 * it. Otherwise ignore it and Wait for RSCN to come in.
667 atomic_set(&vha->loop_down_timer, 0);
668 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
669 atomic_read(&vha->loop_state) != LOOP_DEAD) {
670 ql_dbg(ql_dbg_async, vha, 0x5011,
671 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
672 mb[1], mb[2], mb[3]);
676 ql_dbg(ql_dbg_async, vha, 0x5012,
677 "Port database changed %04x %04x %04x.\n",
678 mb[1], mb[2], mb[3]);
681 * Mark all devices as missing so we will login again.
683 atomic_set(&vha->loop_state, LOOP_UP);
685 qla2x00_mark_all_devices_lost(vha, 1);
687 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
688 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
691 case MBA_RSCN_UPDATE: /* State Change Registration */
692 /* Check if the Vport has issued a SCR */
693 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
695 /* Only handle SCNs for our Vport index. */
696 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
699 ql_dbg(ql_dbg_async, vha, 0x5013,
700 "RSCN database changed -- %04x %04x %04x.\n",
701 mb[1], mb[2], mb[3]);
703 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
704 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
706 if (rscn_entry == host_pid) {
707 ql_dbg(ql_dbg_async, vha, 0x5014,
708 "Ignoring RSCN update to local host "
709 "port ID (%06x).\n", host_pid);
713 /* Ignore reserved bits from RSCN-payload. */
714 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
716 atomic_set(&vha->loop_down_timer, 0);
717 vha->flags.management_server_logged_in = 0;
719 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
720 set_bit(RSCN_UPDATE, &vha->dpc_flags);
721 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
724 /* case MBA_RIO_RESPONSE: */
725 case MBA_ZIO_RESPONSE:
726 ql_dbg(ql_dbg_async, vha, 0x5015,
727 "[R|Z]IO update completion.\n");
729 if (IS_FWI2_CAPABLE(ha))
730 qla24xx_process_response_queue(vha, rsp);
732 qla2x00_process_response_queue(rsp);
735 case MBA_DISCARD_RND_FRAME:
736 ql_dbg(ql_dbg_async, vha, 0x5016,
737 "Discard RND Frame -- %04x %04x %04x.\n",
738 mb[1], mb[2], mb[3]);
741 case MBA_TRACE_NOTIFICATION:
742 ql_dbg(ql_dbg_async, vha, 0x5017,
743 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
746 case MBA_ISP84XX_ALERT:
747 ql_dbg(ql_dbg_async, vha, 0x5018,
748 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
749 mb[1], mb[2], mb[3]);
751 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
753 case A84_PANIC_RECOVERY:
754 ql_log(ql_log_info, vha, 0x5019,
755 "Alert 84XX: panic recovery %04x %04x.\n",
758 case A84_OP_LOGIN_COMPLETE:
759 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
760 ql_log(ql_log_info, vha, 0x501a,
761 "Alert 84XX: firmware version %x.\n",
762 ha->cs84xx->op_fw_version);
764 case A84_DIAG_LOGIN_COMPLETE:
765 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
766 ql_log(ql_log_info, vha, 0x501b,
767 "Alert 84XX: diagnostic firmware version %x.\n",
768 ha->cs84xx->diag_fw_version);
770 case A84_GOLD_LOGIN_COMPLETE:
771 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
772 ha->cs84xx->fw_update = 1;
773 ql_log(ql_log_info, vha, 0x501c,
774 "Alert 84XX: gold firmware version %x.\n",
775 ha->cs84xx->gold_fw_version);
778 ql_log(ql_log_warn, vha, 0x501d,
779 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
780 mb[1], mb[2], mb[3]);
782 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
785 ql_dbg(ql_dbg_async, vha, 0x501e,
786 "DCBX Started -- %04x %04x %04x.\n",
787 mb[1], mb[2], mb[3]);
789 case MBA_DCBX_PARAM_UPDATE:
790 ql_dbg(ql_dbg_async, vha, 0x501f,
791 "DCBX Parameters Updated -- %04x %04x %04x.\n",
792 mb[1], mb[2], mb[3]);
794 case MBA_FCF_CONF_ERR:
795 ql_dbg(ql_dbg_async, vha, 0x5020,
796 "FCF Configuration Error -- %04x %04x %04x.\n",
797 mb[1], mb[2], mb[3]);
799 case MBA_IDC_COMPLETE:
801 case MBA_IDC_TIME_EXT:
802 qla81xx_idc_event(vha, mb[0], mb[1]);
805 ql_dbg(ql_dbg_async, vha, 0x5057,
806 "Unknown AEN:%04x %04x %04x %04x\n",
807 mb[0], mb[1], mb[2], mb[3]);
810 if (!vha->vp_idx && ha->num_vhosts)
811 qla2x00_alert_all_vps(rsp, mb);
815 * qla2x00_process_completed_request() - Process a Fast Post response.
816 * @ha: SCSI driver HA context
820 qla2x00_process_completed_request(struct scsi_qla_host *vha,
821 struct req_que *req, uint32_t index)
824 struct qla_hw_data *ha = vha->hw;
826 /* Validate handle. */
827 if (index >= MAX_OUTSTANDING_COMMANDS) {
828 ql_log(ql_log_warn, vha, 0x3014,
829 "Invalid SCSI command index (%x).\n", index);
832 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
834 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
838 sp = req->outstanding_cmds[index];
840 /* Free outstanding command slot. */
841 req->outstanding_cmds[index] = NULL;
843 /* Save ISP completion status */
844 sp->done(ha, sp, DID_OK << 16);
846 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
849 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
851 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
856 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
857 struct req_que *req, void *iocb)
859 struct qla_hw_data *ha = vha->hw;
860 sts_entry_t *pkt = iocb;
864 index = LSW(pkt->handle);
865 if (index >= MAX_OUTSTANDING_COMMANDS) {
866 ql_log(ql_log_warn, vha, 0x5031,
867 "Invalid command index (%x).\n", index);
869 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
871 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
874 sp = req->outstanding_cmds[index];
876 ql_log(ql_log_warn, vha, 0x5032,
877 "Invalid completion handle (%x) -- timed-out.\n", index);
880 if (sp->handle != index) {
881 ql_log(ql_log_warn, vha, 0x5033,
882 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
886 req->outstanding_cmds[index] = NULL;
893 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
894 struct mbx_entry *mbx)
896 const char func[] = "MBX-IOCB";
900 struct srb_iocb *lio;
904 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
908 lio = &sp->u.iocb_cmd;
911 data = lio->u.logio.data;
913 data[0] = MBS_COMMAND_ERROR;
914 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
915 QLA_LOGIO_LOGIN_RETRIED : 0;
916 if (mbx->entry_status) {
917 ql_dbg(ql_dbg_async, vha, 0x5043,
918 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
919 "entry-status=%x status=%x state-flag=%x "
920 "status-flags=%x.\n", type, sp->handle,
921 fcport->d_id.b.domain, fcport->d_id.b.area,
922 fcport->d_id.b.al_pa, mbx->entry_status,
923 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
924 le16_to_cpu(mbx->status_flags));
926 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
927 (uint8_t *)mbx, sizeof(*mbx));
932 status = le16_to_cpu(mbx->status);
933 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
934 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
936 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
937 ql_dbg(ql_dbg_async, vha, 0x5045,
938 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
939 type, sp->handle, fcport->d_id.b.domain,
940 fcport->d_id.b.area, fcport->d_id.b.al_pa,
941 le16_to_cpu(mbx->mb1));
943 data[0] = MBS_COMMAND_COMPLETE;
944 if (sp->type == SRB_LOGIN_CMD) {
945 fcport->port_type = FCT_TARGET;
946 if (le16_to_cpu(mbx->mb1) & BIT_0)
947 fcport->port_type = FCT_INITIATOR;
948 else if (le16_to_cpu(mbx->mb1) & BIT_1)
949 fcport->flags |= FCF_FCP2_DEVICE;
954 data[0] = le16_to_cpu(mbx->mb0);
956 case MBS_PORT_ID_USED:
957 data[1] = le16_to_cpu(mbx->mb1);
959 case MBS_LOOP_ID_USED:
962 data[0] = MBS_COMMAND_ERROR;
966 ql_log(ql_log_warn, vha, 0x5046,
967 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
968 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
969 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
970 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
971 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
972 le16_to_cpu(mbx->mb7));
975 sp->done(vha, sp, 0);
979 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
980 sts_entry_t *pkt, int iocb_type)
982 const char func[] = "CT_IOCB";
985 struct fc_bsg_job *bsg_job;
986 uint16_t comp_status;
989 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
993 bsg_job = sp->u.bsg_job;
995 type = "ct pass-through";
997 comp_status = le16_to_cpu(pkt->comp_status);
999 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1000 * fc payload to the caller
1002 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1003 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1005 if (comp_status != CS_COMPLETE) {
1006 if (comp_status == CS_DATA_UNDERRUN) {
1008 bsg_job->reply->reply_payload_rcv_len =
1009 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1011 ql_log(ql_log_warn, vha, 0x5048,
1012 "CT pass-through-%s error "
1013 "comp_status-status=0x%x total_byte = 0x%x.\n",
1015 bsg_job->reply->reply_payload_rcv_len);
1017 ql_log(ql_log_warn, vha, 0x5049,
1018 "CT pass-through-%s error "
1019 "comp_status-status=0x%x.\n", type, comp_status);
1020 res = DID_ERROR << 16;
1021 bsg_job->reply->reply_payload_rcv_len = 0;
1023 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1024 (uint8_t *)pkt, sizeof(*pkt));
1027 bsg_job->reply->reply_payload_rcv_len =
1028 bsg_job->reply_payload.payload_len;
1029 bsg_job->reply_len = 0;
1032 sp->done(vha, sp, res);
1036 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1037 struct sts_entry_24xx *pkt, int iocb_type)
1039 const char func[] = "ELS_CT_IOCB";
1042 struct fc_bsg_job *bsg_job;
1043 uint16_t comp_status;
1044 uint32_t fw_status[3];
1045 uint8_t* fw_sts_ptr;
1048 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1051 bsg_job = sp->u.bsg_job;
1055 case SRB_ELS_CMD_RPT:
1056 case SRB_ELS_CMD_HST:
1060 type = "ct pass-through";
1063 ql_dbg(ql_dbg_user, vha, 0x503e,
1064 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1068 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1069 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1070 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1072 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1073 * fc payload to the caller
1075 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1076 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1078 if (comp_status != CS_COMPLETE) {
1079 if (comp_status == CS_DATA_UNDERRUN) {
1081 bsg_job->reply->reply_payload_rcv_len =
1082 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1084 ql_dbg(ql_dbg_user, vha, 0x503f,
1085 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1086 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1087 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1088 le16_to_cpu(((struct els_sts_entry_24xx *)
1089 pkt)->total_byte_count));
1090 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1091 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1094 ql_dbg(ql_dbg_user, vha, 0x5040,
1095 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1096 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1097 type, sp->handle, comp_status,
1098 le16_to_cpu(((struct els_sts_entry_24xx *)
1099 pkt)->error_subcode_1),
1100 le16_to_cpu(((struct els_sts_entry_24xx *)
1101 pkt)->error_subcode_2));
1102 res = DID_ERROR << 16;
1103 bsg_job->reply->reply_payload_rcv_len = 0;
1104 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1105 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1107 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1108 (uint8_t *)pkt, sizeof(*pkt));
1112 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1113 bsg_job->reply_len = 0;
1116 sp->done(vha, sp, res);
1120 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1121 struct logio_entry_24xx *logio)
1123 const char func[] = "LOGIO-IOCB";
1127 struct srb_iocb *lio;
1131 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1135 lio = &sp->u.iocb_cmd;
1137 fcport = sp->fcport;
1138 data = lio->u.logio.data;
1140 data[0] = MBS_COMMAND_ERROR;
1141 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1142 QLA_LOGIO_LOGIN_RETRIED : 0;
1143 if (logio->entry_status) {
1144 ql_log(ql_log_warn, fcport->vha, 0x5034,
1145 "Async-%s error entry - hdl=%x"
1146 "portid=%02x%02x%02x entry-status=%x.\n",
1147 type, sp->handle, fcport->d_id.b.domain,
1148 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1149 logio->entry_status);
1150 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1151 (uint8_t *)logio, sizeof(*logio));
1156 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1157 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1158 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1159 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1160 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1161 le32_to_cpu(logio->io_parameter[0]));
1163 data[0] = MBS_COMMAND_COMPLETE;
1164 if (sp->type != SRB_LOGIN_CMD)
1167 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1168 if (iop[0] & BIT_4) {
1169 fcport->port_type = FCT_TARGET;
1171 fcport->flags |= FCF_FCP2_DEVICE;
1172 } else if (iop[0] & BIT_5)
1173 fcport->port_type = FCT_INITIATOR;
1175 if (logio->io_parameter[7] || logio->io_parameter[8])
1176 fcport->supported_classes |= FC_COS_CLASS2;
1177 if (logio->io_parameter[9] || logio->io_parameter[10])
1178 fcport->supported_classes |= FC_COS_CLASS3;
1183 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1184 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1186 case LSC_SCODE_PORTID_USED:
1187 data[0] = MBS_PORT_ID_USED;
1188 data[1] = LSW(iop[1]);
1190 case LSC_SCODE_NPORT_USED:
1191 data[0] = MBS_LOOP_ID_USED;
1194 data[0] = MBS_COMMAND_ERROR;
1198 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1199 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1200 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1201 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1202 le16_to_cpu(logio->comp_status),
1203 le32_to_cpu(logio->io_parameter[0]),
1204 le32_to_cpu(logio->io_parameter[1]));
1207 sp->done(vha, sp, 0);
1211 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1212 struct tsk_mgmt_entry *tsk)
1214 const char func[] = "TMF-IOCB";
1218 struct srb_iocb *iocb;
1219 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1222 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1226 iocb = &sp->u.iocb_cmd;
1228 fcport = sp->fcport;
1230 if (sts->entry_status) {
1231 ql_log(ql_log_warn, fcport->vha, 0x5038,
1232 "Async-%s error - hdl=%x entry-status(%x).\n",
1233 type, sp->handle, sts->entry_status);
1234 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
1235 ql_log(ql_log_warn, fcport->vha, 0x5039,
1236 "Async-%s error - hdl=%x completion status(%x).\n",
1237 type, sp->handle, sts->comp_status);
1238 } else if (!(le16_to_cpu(sts->scsi_status) &
1239 SS_RESPONSE_INFO_LEN_VALID)) {
1240 ql_log(ql_log_warn, fcport->vha, 0x503a,
1241 "Async-%s error - hdl=%x no response info(%x).\n",
1242 type, sp->handle, sts->scsi_status);
1243 } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
1244 ql_log(ql_log_warn, fcport->vha, 0x503b,
1245 "Async-%s error - hdl=%x not enough response(%d).\n",
1246 type, sp->handle, sts->rsp_data_len);
1247 } else if (sts->data[3]) {
1248 ql_log(ql_log_warn, fcport->vha, 0x503c,
1249 "Async-%s error - hdl=%x response(%x).\n",
1250 type, sp->handle, sts->data[3]);
1256 iocb->u.tmf.data = error;
1257 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1258 (uint8_t *)sts, sizeof(*sts));
1261 sp->done(vha, sp, 0);
1265 * qla2x00_process_response_queue() - Process response queue entries.
1266 * @ha: SCSI driver HA context
1269 qla2x00_process_response_queue(struct rsp_que *rsp)
1271 struct scsi_qla_host *vha;
1272 struct qla_hw_data *ha = rsp->hw;
1273 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1275 uint16_t handle_cnt;
1278 vha = pci_get_drvdata(ha->pdev);
1280 if (!vha->flags.online)
1283 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1284 pkt = (sts_entry_t *)rsp->ring_ptr;
1287 if (rsp->ring_index == rsp->length) {
1288 rsp->ring_index = 0;
1289 rsp->ring_ptr = rsp->ring;
1294 if (pkt->entry_status != 0) {
1295 qla2x00_error_entry(vha, rsp, pkt);
1296 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1301 switch (pkt->entry_type) {
1303 qla2x00_status_entry(vha, rsp, pkt);
1305 case STATUS_TYPE_21:
1306 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1307 for (cnt = 0; cnt < handle_cnt; cnt++) {
1308 qla2x00_process_completed_request(vha, rsp->req,
1309 ((sts21_entry_t *)pkt)->handle[cnt]);
1312 case STATUS_TYPE_22:
1313 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1314 for (cnt = 0; cnt < handle_cnt; cnt++) {
1315 qla2x00_process_completed_request(vha, rsp->req,
1316 ((sts22_entry_t *)pkt)->handle[cnt]);
1319 case STATUS_CONT_TYPE:
1320 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1323 qla2x00_mbx_iocb_entry(vha, rsp->req,
1324 (struct mbx_entry *)pkt);
1327 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1330 /* Type Not Supported. */
1331 ql_log(ql_log_warn, vha, 0x504a,
1332 "Received unknown response pkt type %x "
1333 "entry status=%x.\n",
1334 pkt->entry_type, pkt->entry_status);
1337 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1341 /* Adjust ring index */
1342 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1346 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
1347 uint32_t sense_len, struct rsp_que *rsp, int res)
1349 struct scsi_qla_host *vha = sp->fcport->vha;
1350 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1351 uint32_t track_sense_len;
1353 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1354 sense_len = SCSI_SENSE_BUFFERSIZE;
1356 SET_CMD_SENSE_LEN(sp, sense_len);
1357 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1358 track_sense_len = sense_len;
1360 if (sense_len > par_sense_len)
1361 sense_len = par_sense_len;
1363 memcpy(cp->sense_buffer, sense_data, sense_len);
1365 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1366 track_sense_len -= sense_len;
1367 SET_CMD_SENSE_LEN(sp, track_sense_len);
1369 if (track_sense_len != 0) {
1370 rsp->status_srb = sp;
1375 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1376 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
1377 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1379 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1380 cp->sense_buffer, sense_len);
1384 struct scsi_dif_tuple {
1385 __be16 guard; /* Checksum */
1386 __be16 app_tag; /* APPL identifer */
1387 __be32 ref_tag; /* Target LBA or indirect LBA */
1391 * Checks the guard or meta-data for the type of error
1392 * detected by the HBA. In case of errors, we set the
1393 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1394 * to indicate to the kernel that the HBA detected error.
1397 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1399 struct scsi_qla_host *vha = sp->fcport->vha;
1400 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1401 uint8_t *ap = &sts24->data[12];
1402 uint8_t *ep = &sts24->data[20];
1403 uint32_t e_ref_tag, a_ref_tag;
1404 uint16_t e_app_tag, a_app_tag;
1405 uint16_t e_guard, a_guard;
1408 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1409 * would make guard field appear at offset 2
1411 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1412 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1413 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1414 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1415 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1416 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
1418 ql_dbg(ql_dbg_io, vha, 0x3023,
1419 "iocb(s) %p Returned STATUS.\n", sts24);
1421 ql_dbg(ql_dbg_io, vha, 0x3024,
1422 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
1423 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
1424 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
1425 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
1426 a_app_tag, e_app_tag, a_guard, e_guard);
1430 * For type 3: ref & app tag is all 'f's
1431 * For type 0,1,2: app tag is all 'f's
1433 if ((a_app_tag == 0xffff) &&
1434 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1435 (a_ref_tag == 0xffffffff))) {
1436 uint32_t blocks_done, resid;
1437 sector_t lba_s = scsi_get_lba(cmd);
1439 /* 2TB boundary case covered automatically with this */
1440 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1442 resid = scsi_bufflen(cmd) - (blocks_done *
1443 cmd->device->sector_size);
1445 scsi_set_resid(cmd, resid);
1446 cmd->result = DID_OK << 16;
1448 /* Update protection tag */
1449 if (scsi_prot_sg_count(cmd)) {
1450 uint32_t i, j = 0, k = 0, num_ent;
1451 struct scatterlist *sg;
1452 struct sd_dif_tuple *spt;
1454 /* Patch the corresponding protection tags */
1455 scsi_for_each_prot_sg(cmd, sg,
1456 scsi_prot_sg_count(cmd), i) {
1457 num_ent = sg_dma_len(sg) / 8;
1458 if (k + num_ent < blocks_done) {
1462 j = blocks_done - k - 1;
1467 if (k != blocks_done) {
1468 ql_log(ql_log_warn, vha, 0x302f,
1469 "unexpected tag values tag:lba=%x:%llx)\n",
1470 e_ref_tag, (unsigned long long)lba_s);
1474 spt = page_address(sg_page(sg)) + sg->offset;
1477 spt->app_tag = 0xffff;
1478 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1479 spt->ref_tag = 0xffffffff;
1486 if (e_guard != a_guard) {
1487 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1489 set_driver_byte(cmd, DRIVER_SENSE);
1490 set_host_byte(cmd, DID_ABORT);
1491 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1496 if (e_ref_tag != a_ref_tag) {
1497 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1499 set_driver_byte(cmd, DRIVER_SENSE);
1500 set_host_byte(cmd, DID_ABORT);
1501 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1505 /* check appl tag */
1506 if (e_app_tag != a_app_tag) {
1507 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1509 set_driver_byte(cmd, DRIVER_SENSE);
1510 set_host_byte(cmd, DID_ABORT);
1511 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1519 * qla2x00_status_entry() - Process a Status IOCB entry.
1520 * @ha: SCSI driver HA context
1521 * @pkt: Entry pointer
1524 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1528 struct scsi_cmnd *cp;
1530 struct sts_entry_24xx *sts24;
1531 uint16_t comp_status;
1532 uint16_t scsi_status;
1534 uint8_t lscsi_status;
1536 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1538 uint8_t *rsp_info, *sense_data;
1539 struct qla_hw_data *ha = vha->hw;
1542 struct req_que *req;
1546 sts = (sts_entry_t *) pkt;
1547 sts24 = (struct sts_entry_24xx *) pkt;
1548 if (IS_FWI2_CAPABLE(ha)) {
1549 comp_status = le16_to_cpu(sts24->comp_status);
1550 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1552 comp_status = le16_to_cpu(sts->comp_status);
1553 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1555 handle = (uint32_t) LSW(sts->handle);
1556 que = MSW(sts->handle);
1557 req = ha->req_q_map[que];
1559 /* Fast path completion. */
1560 if (comp_status == CS_COMPLETE && scsi_status == 0) {
1561 qla2x00_process_completed_request(vha, req, handle);
1566 /* Validate handle. */
1567 if (handle < MAX_OUTSTANDING_COMMANDS) {
1568 sp = req->outstanding_cmds[handle];
1569 req->outstanding_cmds[handle] = NULL;
1574 ql_dbg(ql_dbg_io, vha, 0x3017,
1575 "Invalid status handle (0x%x).\n", sts->handle);
1578 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1580 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1581 qla2xxx_wake_dpc(vha);
1584 cp = GET_CMD_SP(sp);
1586 ql_dbg(ql_dbg_io, vha, 0x3018,
1587 "Command already returned (0x%x/%p).\n",
1593 lscsi_status = scsi_status & STATUS_MASK;
1595 fcport = sp->fcport;
1598 sense_len = par_sense_len = rsp_info_len = resid_len =
1600 if (IS_FWI2_CAPABLE(ha)) {
1601 if (scsi_status & SS_SENSE_LEN_VALID)
1602 sense_len = le32_to_cpu(sts24->sense_len);
1603 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
1604 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
1605 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
1606 resid_len = le32_to_cpu(sts24->rsp_residual_count);
1607 if (comp_status == CS_DATA_UNDERRUN)
1608 fw_resid_len = le32_to_cpu(sts24->residual_len);
1609 rsp_info = sts24->data;
1610 sense_data = sts24->data;
1611 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
1612 ox_id = le16_to_cpu(sts24->ox_id);
1613 par_sense_len = sizeof(sts24->data);
1615 if (scsi_status & SS_SENSE_LEN_VALID)
1616 sense_len = le16_to_cpu(sts->req_sense_length);
1617 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
1618 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
1619 resid_len = le32_to_cpu(sts->residual_length);
1620 rsp_info = sts->rsp_info;
1621 sense_data = sts->req_sense_data;
1622 par_sense_len = sizeof(sts->req_sense_data);
1625 /* Check for any FCP transport errors. */
1626 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
1627 /* Sense data lies beyond any FCP RESPONSE data. */
1628 if (IS_FWI2_CAPABLE(ha)) {
1629 sense_data += rsp_info_len;
1630 par_sense_len -= rsp_info_len;
1632 if (rsp_info_len > 3 && rsp_info[3]) {
1633 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
1634 "FCP I/O protocol failure (0x%x/0x%x).\n",
1635 rsp_info_len, rsp_info[3]);
1637 res = DID_BUS_BUSY << 16;
1642 /* Check for overrun. */
1643 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
1644 scsi_status & SS_RESIDUAL_OVER)
1645 comp_status = CS_DATA_OVERRUN;
1648 * Based on Host and scsi status generate status code for Linux
1650 switch (comp_status) {
1653 if (scsi_status == 0) {
1657 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
1659 scsi_set_resid(cp, resid);
1661 if (!lscsi_status &&
1662 ((unsigned)(scsi_bufflen(cp) - resid) <
1664 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
1665 "Mid-layer underflow "
1666 "detected (0x%x of 0x%x bytes).\n",
1667 resid, scsi_bufflen(cp));
1669 res = DID_ERROR << 16;
1673 res = DID_OK << 16 | lscsi_status;
1675 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
1676 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
1677 "QUEUE FULL detected.\n");
1681 if (lscsi_status != SS_CHECK_CONDITION)
1684 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1685 if (!(scsi_status & SS_SENSE_LEN_VALID))
1688 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
1692 case CS_DATA_UNDERRUN:
1693 /* Use F/W calculated residual length. */
1694 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
1695 scsi_set_resid(cp, resid);
1696 if (scsi_status & SS_RESIDUAL_UNDER) {
1697 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
1698 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
1699 "Dropped frame(s) detected "
1700 "(0x%x of 0x%x bytes).\n",
1701 resid, scsi_bufflen(cp));
1703 res = DID_ERROR << 16 | lscsi_status;
1704 goto check_scsi_status;
1707 if (!lscsi_status &&
1708 ((unsigned)(scsi_bufflen(cp) - resid) <
1710 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
1711 "Mid-layer underflow "
1712 "detected (0x%x of 0x%x bytes).\n",
1713 resid, scsi_bufflen(cp));
1715 res = DID_ERROR << 16;
1719 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
1720 "Dropped frame(s) detected (0x%x "
1721 "of 0x%x bytes).\n", resid, scsi_bufflen(cp));
1723 res = DID_ERROR << 16 | lscsi_status;
1724 goto check_scsi_status;
1727 res = DID_OK << 16 | lscsi_status;
1732 * Check to see if SCSI Status is non zero. If so report SCSI
1735 if (lscsi_status != 0) {
1736 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
1737 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
1738 "QUEUE FULL detected.\n");
1742 if (lscsi_status != SS_CHECK_CONDITION)
1745 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1746 if (!(scsi_status & SS_SENSE_LEN_VALID))
1749 qla2x00_handle_sense(sp, sense_data, par_sense_len,
1750 sense_len, rsp, res);
1754 case CS_PORT_LOGGED_OUT:
1755 case CS_PORT_CONFIG_CHG:
1758 case CS_PORT_UNAVAILABLE:
1763 * We are going to have the fc class block the rport
1764 * while we try to recover so instruct the mid layer
1765 * to requeue until the class decides how to handle this.
1767 res = DID_TRANSPORT_DISRUPTED << 16;
1769 if (comp_status == CS_TIMEOUT) {
1770 if (IS_FWI2_CAPABLE(ha))
1772 else if ((le16_to_cpu(sts->status_flags) &
1773 SF_LOGOUT_SENT) == 0)
1777 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
1778 "Port down status: port-state=0x%x.\n",
1779 atomic_read(&fcport->state));
1781 if (atomic_read(&fcport->state) == FCS_ONLINE)
1782 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1786 res = DID_RESET << 16;
1790 logit = qla2x00_handle_dif_error(sp, sts24);
1793 res = DID_ERROR << 16;
1799 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
1800 "FCP command status: 0x%x-0x%x (0x%x) "
1801 "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x "
1802 "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x "
1803 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
1804 comp_status, scsi_status, res, vha->host_no,
1805 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
1806 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
1807 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
1808 cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7],
1809 cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len,
1810 resid_len, fw_resid_len);
1812 if (rsp->status_srb == NULL)
1813 sp->done(ha, sp, res);
1817 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1818 * @ha: SCSI driver HA context
1819 * @pkt: Entry pointer
1821 * Extended sense data.
1824 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1826 uint8_t sense_sz = 0;
1827 struct qla_hw_data *ha = rsp->hw;
1828 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
1829 srb_t *sp = rsp->status_srb;
1830 struct scsi_cmnd *cp;
1834 if (!sp || !GET_CMD_SENSE_LEN(sp))
1837 sense_len = GET_CMD_SENSE_LEN(sp);
1838 sense_ptr = GET_CMD_SENSE_PTR(sp);
1840 cp = GET_CMD_SP(sp);
1842 ql_log(ql_log_warn, vha, 0x3025,
1843 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1845 rsp->status_srb = NULL;
1849 if (sense_len > sizeof(pkt->data))
1850 sense_sz = sizeof(pkt->data);
1852 sense_sz = sense_len;
1854 /* Move sense data. */
1855 if (IS_FWI2_CAPABLE(ha))
1856 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
1857 memcpy(sense_ptr, pkt->data, sense_sz);
1858 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
1859 sense_ptr, sense_sz);
1861 sense_len -= sense_sz;
1862 sense_ptr += sense_sz;
1864 SET_CMD_SENSE_PTR(sp, sense_ptr);
1865 SET_CMD_SENSE_LEN(sp, sense_len);
1867 /* Place command on done queue. */
1868 if (sense_len == 0) {
1869 rsp->status_srb = NULL;
1870 sp->done(ha, sp, cp->result);
1875 * qla2x00_error_entry() - Process an error entry.
1876 * @ha: SCSI driver HA context
1877 * @pkt: Entry pointer
1880 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1883 struct qla_hw_data *ha = vha->hw;
1884 const char func[] = "ERROR-IOCB";
1885 uint16_t que = MSW(pkt->handle);
1886 struct req_que *req = NULL;
1887 int res = DID_ERROR << 16;
1889 ql_dbg(ql_dbg_async, vha, 0x502a,
1890 "type of error status in response: 0x%x\n", pkt->entry_status);
1892 if (que >= ha->max_req_queues || !ha->req_q_map[que])
1895 req = ha->req_q_map[que];
1897 if (pkt->entry_status & RF_BUSY)
1898 res = DID_BUS_BUSY << 16;
1900 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1902 sp->done(ha, sp, res);
1906 ql_log(ql_log_warn, vha, 0x5030,
1907 "Error entry - invalid handle/queue.\n");
1910 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1912 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1913 qla2xxx_wake_dpc(vha);
1917 * qla24xx_mbx_completion() - Process mailbox command completions.
1918 * @ha: SCSI driver HA context
1919 * @mb0: Mailbox0 register
1922 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1926 uint16_t __iomem *wptr;
1927 struct qla_hw_data *ha = vha->hw;
1928 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1930 /* Read all mbox registers? */
1931 mboxes = (1 << ha->mbx_count) - 1;
1933 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n");
1935 mboxes = ha->mcp->in_mb;
1937 /* Load return mailbox registers. */
1938 ha->flags.mbox_int = 1;
1939 ha->mailbox_out[0] = mb0;
1941 wptr = (uint16_t __iomem *)®->mailbox1;
1943 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
1945 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
1953 * qla24xx_process_response_queue() - Process response queue entries.
1954 * @ha: SCSI driver HA context
1956 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
1957 struct rsp_que *rsp)
1959 struct sts_entry_24xx *pkt;
1960 struct qla_hw_data *ha = vha->hw;
1962 if (!vha->flags.online)
1965 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1966 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
1969 if (rsp->ring_index == rsp->length) {
1970 rsp->ring_index = 0;
1971 rsp->ring_ptr = rsp->ring;
1976 if (pkt->entry_status != 0) {
1977 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
1978 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1983 switch (pkt->entry_type) {
1985 qla2x00_status_entry(vha, rsp, pkt);
1987 case STATUS_CONT_TYPE:
1988 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1990 case VP_RPT_ID_IOCB_TYPE:
1991 qla24xx_report_id_acquisition(vha,
1992 (struct vp_rpt_id_entry_24xx *)pkt);
1994 case LOGINOUT_PORT_IOCB_TYPE:
1995 qla24xx_logio_entry(vha, rsp->req,
1996 (struct logio_entry_24xx *)pkt);
1998 case TSK_MGMT_IOCB_TYPE:
1999 qla24xx_tm_iocb_entry(vha, rsp->req,
2000 (struct tsk_mgmt_entry *)pkt);
2003 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2006 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2009 /* Do nothing in this case, this check is to prevent it
2010 * from falling into default case
2014 /* Type Not Supported. */
2015 ql_dbg(ql_dbg_async, vha, 0x5042,
2016 "Received unknown response pkt type %x "
2017 "entry status=%x.\n",
2018 pkt->entry_type, pkt->entry_status);
2021 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2025 /* Adjust ring index */
2026 if (IS_QLA82XX(ha)) {
2027 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2028 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
2030 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2034 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
2038 struct qla_hw_data *ha = vha->hw;
2039 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2041 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
2045 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
2046 RD_REG_DWORD(®->iobase_addr);
2047 WRT_REG_DWORD(®->iobase_window, 0x0001);
2048 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2049 rval == QLA_SUCCESS; cnt--) {
2051 WRT_REG_DWORD(®->iobase_window, 0x0001);
2054 rval = QLA_FUNCTION_TIMEOUT;
2056 if (rval == QLA_SUCCESS)
2059 WRT_REG_DWORD(®->iobase_window, 0x0003);
2060 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2061 rval == QLA_SUCCESS; cnt--) {
2063 WRT_REG_DWORD(®->iobase_window, 0x0003);
2066 rval = QLA_FUNCTION_TIMEOUT;
2068 if (rval != QLA_SUCCESS)
2072 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
2073 ql_log(ql_log_info, vha, 0x504c,
2074 "Additional code -- 0x55AA.\n");
2077 WRT_REG_DWORD(®->iobase_window, 0x0000);
2078 RD_REG_DWORD(®->iobase_window);
2082 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
2084 * @dev_id: SCSI driver HA context
2086 * Called by system whenever the host adapter generates an interrupt.
2088 * Returns handled flag.
2091 qla24xx_intr_handler(int irq, void *dev_id)
2093 scsi_qla_host_t *vha;
2094 struct qla_hw_data *ha;
2095 struct device_reg_24xx __iomem *reg;
2101 struct rsp_que *rsp;
2102 unsigned long flags;
2104 rsp = (struct rsp_que *) dev_id;
2106 ql_log(ql_log_info, NULL, 0x5059,
2107 "%s: NULL response queue pointer.\n", __func__);
2112 reg = &ha->iobase->isp24;
2115 if (unlikely(pci_channel_offline(ha->pdev)))
2118 spin_lock_irqsave(&ha->hardware_lock, flags);
2119 vha = pci_get_drvdata(ha->pdev);
2120 for (iter = 50; iter--; ) {
2121 stat = RD_REG_DWORD(®->host_status);
2122 if (stat & HSRX_RISC_PAUSED) {
2123 if (unlikely(pci_channel_offline(ha->pdev)))
2126 hccr = RD_REG_DWORD(®->hccr);
2128 ql_log(ql_log_warn, vha, 0x504b,
2129 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2132 qla2xxx_check_risc_status(vha);
2134 ha->isp_ops->fw_dump(vha, 1);
2135 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2137 } else if ((stat & HSRX_RISC_INT) == 0)
2140 switch (stat & 0xff) {
2145 qla24xx_mbx_completion(vha, MSW(stat));
2146 status |= MBX_INTERRUPT;
2151 mb[1] = RD_REG_WORD(®->mailbox1);
2152 mb[2] = RD_REG_WORD(®->mailbox2);
2153 mb[3] = RD_REG_WORD(®->mailbox3);
2154 qla2x00_async_event(vha, rsp, mb);
2158 qla24xx_process_response_queue(vha, rsp);
2161 ql_dbg(ql_dbg_async, vha, 0x504f,
2162 "Unrecognized interrupt type (%d).\n", stat * 0xff);
2165 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2166 RD_REG_DWORD_RELAXED(®->hccr);
2168 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2170 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2171 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2172 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2173 complete(&ha->mbx_intr_comp);
2180 qla24xx_msix_rsp_q(int irq, void *dev_id)
2182 struct qla_hw_data *ha;
2183 struct rsp_que *rsp;
2184 struct device_reg_24xx __iomem *reg;
2185 struct scsi_qla_host *vha;
2186 unsigned long flags;
2188 rsp = (struct rsp_que *) dev_id;
2190 ql_log(ql_log_info, NULL, 0x505a,
2191 "%s: NULL response queue pointer.\n", __func__);
2195 reg = &ha->iobase->isp24;
2197 spin_lock_irqsave(&ha->hardware_lock, flags);
2199 vha = pci_get_drvdata(ha->pdev);
2200 qla24xx_process_response_queue(vha, rsp);
2201 if (!ha->flags.disable_msix_handshake) {
2202 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2203 RD_REG_DWORD_RELAXED(®->hccr);
2205 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2211 qla25xx_msix_rsp_q(int irq, void *dev_id)
2213 struct qla_hw_data *ha;
2214 struct rsp_que *rsp;
2215 struct device_reg_24xx __iomem *reg;
2216 unsigned long flags;
2218 rsp = (struct rsp_que *) dev_id;
2220 ql_log(ql_log_info, NULL, 0x505b,
2221 "%s: NULL response queue pointer.\n", __func__);
2226 /* Clear the interrupt, if enabled, for this response queue */
2227 if (!ha->flags.disable_msix_handshake) {
2228 reg = &ha->iobase->isp24;
2229 spin_lock_irqsave(&ha->hardware_lock, flags);
2230 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2231 RD_REG_DWORD_RELAXED(®->hccr);
2232 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2234 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2240 qla24xx_msix_default(int irq, void *dev_id)
2242 scsi_qla_host_t *vha;
2243 struct qla_hw_data *ha;
2244 struct rsp_que *rsp;
2245 struct device_reg_24xx __iomem *reg;
2250 unsigned long flags;
2252 rsp = (struct rsp_que *) dev_id;
2254 ql_log(ql_log_info, NULL, 0x505c,
2255 "%s: NULL response queue pointer.\n", __func__);
2259 reg = &ha->iobase->isp24;
2262 spin_lock_irqsave(&ha->hardware_lock, flags);
2263 vha = pci_get_drvdata(ha->pdev);
2265 stat = RD_REG_DWORD(®->host_status);
2266 if (stat & HSRX_RISC_PAUSED) {
2267 if (unlikely(pci_channel_offline(ha->pdev)))
2270 hccr = RD_REG_DWORD(®->hccr);
2272 ql_log(ql_log_info, vha, 0x5050,
2273 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2276 qla2xxx_check_risc_status(vha);
2278 ha->isp_ops->fw_dump(vha, 1);
2279 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2281 } else if ((stat & HSRX_RISC_INT) == 0)
2284 switch (stat & 0xff) {
2289 qla24xx_mbx_completion(vha, MSW(stat));
2290 status |= MBX_INTERRUPT;
2295 mb[1] = RD_REG_WORD(®->mailbox1);
2296 mb[2] = RD_REG_WORD(®->mailbox2);
2297 mb[3] = RD_REG_WORD(®->mailbox3);
2298 qla2x00_async_event(vha, rsp, mb);
2302 qla24xx_process_response_queue(vha, rsp);
2305 ql_dbg(ql_dbg_async, vha, 0x5051,
2306 "Unrecognized interrupt type (%d).\n", stat & 0xff);
2309 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2311 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2313 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2314 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
2315 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
2316 complete(&ha->mbx_intr_comp);
2321 /* Interrupt handling helpers. */
2323 struct qla_init_msix_entry {
2325 irq_handler_t handler;
2328 static struct qla_init_msix_entry msix_entries[3] = {
2329 { "qla2xxx (default)", qla24xx_msix_default },
2330 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
2331 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
2334 static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2335 { "qla2xxx (default)", qla82xx_msix_default },
2336 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2340 qla24xx_disable_msix(struct qla_hw_data *ha)
2343 struct qla_msix_entry *qentry;
2344 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2346 for (i = 0; i < ha->msix_count; i++) {
2347 qentry = &ha->msix_entries[i];
2348 if (qentry->have_irq)
2349 free_irq(qentry->vector, qentry->rsp);
2351 pci_disable_msix(ha->pdev);
2352 kfree(ha->msix_entries);
2353 ha->msix_entries = NULL;
2354 ha->flags.msix_enabled = 0;
2355 ql_dbg(ql_dbg_init, vha, 0x0042,
2356 "Disabled the MSI.\n");
2360 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
2362 #define MIN_MSIX_COUNT 2
2364 struct msix_entry *entries;
2365 struct qla_msix_entry *qentry;
2366 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2368 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
2371 ql_log(ql_log_warn, vha, 0x00bc,
2372 "Failed to allocate memory for msix_entry.\n");
2376 for (i = 0; i < ha->msix_count; i++)
2377 entries[i].entry = i;
2379 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2381 if (ret < MIN_MSIX_COUNT)
2384 ql_log(ql_log_warn, vha, 0x00c6,
2385 "MSI-X: Failed to enable support "
2386 "-- %d/%d\n Retry with %d vectors.\n",
2387 ha->msix_count, ret, ret);
2388 ha->msix_count = ret;
2389 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2392 ql_log(ql_log_fatal, vha, 0x00c7,
2393 "MSI-X: Failed to enable support, "
2394 "giving up -- %d/%d.\n",
2395 ha->msix_count, ret);
2398 ha->max_rsp_queues = ha->msix_count - 1;
2400 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2401 ha->msix_count, GFP_KERNEL);
2402 if (!ha->msix_entries) {
2403 ql_log(ql_log_fatal, vha, 0x00c8,
2404 "Failed to allocate memory for ha->msix_entries.\n");
2408 ha->flags.msix_enabled = 1;
2410 for (i = 0; i < ha->msix_count; i++) {
2411 qentry = &ha->msix_entries[i];
2412 qentry->vector = entries[i].vector;
2413 qentry->entry = entries[i].entry;
2414 qentry->have_irq = 0;
2418 /* Enable MSI-X vectors for the base queue */
2419 for (i = 0; i < 2; i++) {
2420 qentry = &ha->msix_entries[i];
2421 if (IS_QLA82XX(ha)) {
2422 ret = request_irq(qentry->vector,
2423 qla82xx_msix_entries[i].handler,
2424 0, qla82xx_msix_entries[i].name, rsp);
2426 ret = request_irq(qentry->vector,
2427 msix_entries[i].handler,
2428 0, msix_entries[i].name, rsp);
2431 ql_log(ql_log_fatal, vha, 0x00cb,
2432 "MSI-X: unable to register handler -- %x/%d.\n",
2433 qentry->vector, ret);
2434 qla24xx_disable_msix(ha);
2438 qentry->have_irq = 1;
2443 /* Enable MSI-X vector for response queue update for queue 0 */
2444 if (IS_QLA83XX(ha)) {
2445 if (ha->msixbase && ha->mqiobase &&
2446 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2450 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2452 ql_dbg(ql_dbg_multiq, vha, 0xc005,
2453 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2454 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
2455 ql_dbg(ql_dbg_init, vha, 0x0055,
2456 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2457 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
2465 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
2468 device_reg_t __iomem *reg = ha->iobase;
2469 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2471 /* If possible, enable MSI-X. */
2472 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
2473 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
2476 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
2477 (ha->pdev->subsystem_device == 0x7040 ||
2478 ha->pdev->subsystem_device == 0x7041 ||
2479 ha->pdev->subsystem_device == 0x1705)) {
2480 ql_log(ql_log_warn, vha, 0x0034,
2481 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
2482 ha->pdev->subsystem_vendor,
2483 ha->pdev->subsystem_device);
2487 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
2488 ql_log(ql_log_warn, vha, 0x0035,
2489 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
2490 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
2494 ret = qla24xx_enable_msix(ha, rsp);
2496 ql_dbg(ql_dbg_init, vha, 0x0036,
2497 "MSI-X: Enabled (0x%X, 0x%X).\n",
2498 ha->chip_revision, ha->fw_attributes);
2499 goto clear_risc_ints;
2501 ql_log(ql_log_info, vha, 0x0037,
2502 "MSI-X Falling back-to MSI mode -%d.\n", ret);
2505 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
2509 ret = pci_enable_msi(ha->pdev);
2511 ql_dbg(ql_dbg_init, vha, 0x0038,
2513 ha->flags.msi_enabled = 1;
2515 ql_log(ql_log_warn, vha, 0x0039,
2516 "MSI-X; Falling back-to INTa mode -- %d.\n", ret);
2519 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
2520 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
2521 QLA2XXX_DRIVER_NAME, rsp);
2523 ql_log(ql_log_warn, vha, 0x003a,
2524 "Failed to reserve interrupt %d already in use.\n",
2532 * FIXME: Noted that 8014s were being dropped during NK testing.
2533 * Timing deltas during MSI-X/INTa transitions?
2535 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA83XX(ha))
2537 spin_lock_irq(&ha->hardware_lock);
2538 if (IS_FWI2_CAPABLE(ha)) {
2539 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
2540 WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
2542 WRT_REG_WORD(®->isp.semaphore, 0);
2543 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
2544 WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
2546 spin_unlock_irq(&ha->hardware_lock);
2553 qla2x00_free_irqs(scsi_qla_host_t *vha)
2555 struct qla_hw_data *ha = vha->hw;
2556 struct rsp_que *rsp = ha->rsp_q_map[0];
2558 if (ha->flags.msix_enabled)
2559 qla24xx_disable_msix(ha);
2560 else if (ha->flags.msi_enabled) {
2561 free_irq(ha->pdev->irq, rsp);
2562 pci_disable_msi(ha->pdev);
2564 free_irq(ha->pdev->irq, rsp);
2568 int qla25xx_request_irq(struct rsp_que *rsp)
2570 struct qla_hw_data *ha = rsp->hw;
2571 struct qla_init_msix_entry *intr = &msix_entries[2];
2572 struct qla_msix_entry *msix = rsp->msix;
2573 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2576 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
2578 ql_log(ql_log_fatal, vha, 0x00e6,
2579 "MSI-X: Unable to register handler -- %x/%d.\n",