2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
10 static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
11 static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
12 static void qla2x00_status_entry(scsi_qla_host_t *, void *);
13 static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
14 static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *);
15 static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *);
17 static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *);
20 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
22 * @dev_id: SCSI driver HA context
25 * Called by system whenever the host adapter generates an interrupt.
27 * Returns handled flag.
30 qla2100_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
33 struct device_reg_2xxx __iomem *reg;
39 ha = (scsi_qla_host_t *) dev_id;
42 "%s(): NULL host pointer\n", __func__);
46 reg = &ha->iobase->isp;
49 spin_lock_irqsave(&ha->hardware_lock, flags);
50 for (iter = 50; iter--; ) {
51 if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
54 if (RD_REG_WORD(®->semaphore) & BIT_0) {
55 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
56 RD_REG_WORD(®->hccr);
58 /* Get mailbox data. */
59 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
60 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
61 qla2x00_mbx_completion(ha, mb[0]);
62 status |= MBX_INTERRUPT;
63 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
64 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
65 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
66 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
67 qla2x00_async_event(ha, mb);
70 DEBUG2(printk("scsi(%ld): Unrecognized "
71 "interrupt type (%d).\n",
74 /* Release mailbox registers. */
75 WRT_REG_WORD(®->semaphore, 0);
76 RD_REG_WORD(®->semaphore);
78 qla2x00_process_response_queue(ha);
80 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
81 RD_REG_WORD(®->hccr);
84 spin_unlock_irqrestore(&ha->hardware_lock, flags);
86 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
87 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
88 spin_lock_irqsave(&ha->mbx_reg_lock, flags);
90 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
91 up(&ha->mbx_intr_sem);
93 spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
100 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
102 * @dev_id: SCSI driver HA context
105 * Called by system whenever the host adapter generates an interrupt.
107 * Returns handled flag.
110 qla2300_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
113 struct device_reg_2xxx __iomem *reg;
121 ha = (scsi_qla_host_t *) dev_id;
124 "%s(): NULL host pointer\n", __func__);
128 reg = &ha->iobase->isp;
131 spin_lock_irqsave(&ha->hardware_lock, flags);
132 for (iter = 50; iter--; ) {
133 stat = RD_REG_DWORD(®->u.isp2300.host_status);
134 if (stat & HSR_RISC_PAUSED) {
135 hccr = RD_REG_WORD(®->hccr);
136 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
137 qla_printk(KERN_INFO, ha,
138 "Parity error -- HCCR=%x.\n", hccr);
140 qla_printk(KERN_INFO, ha,
141 "RISC paused -- HCCR=%x.\n", hccr);
144 * Issue a "HARD" reset in order for the RISC
145 * interrupt bit to be cleared. Schedule a big
146 * hammmer to get out of the RISC PAUSED state.
148 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
149 RD_REG_WORD(®->hccr);
150 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
152 } else if ((stat & HSR_RISC_INT) == 0)
155 switch (stat & 0xff) {
160 qla2x00_mbx_completion(ha, MSW(stat));
161 status |= MBX_INTERRUPT;
163 /* Release mailbox registers. */
164 WRT_REG_WORD(®->semaphore, 0);
168 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
169 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
170 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
171 qla2x00_async_event(ha, mb);
174 qla2x00_process_response_queue(ha);
177 mb[0] = MBA_CMPLT_1_16BIT;
179 qla2x00_async_event(ha, mb);
182 mb[0] = MBA_SCSI_COMPLETION;
184 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
185 qla2x00_async_event(ha, mb);
188 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
190 ha->host_no, stat & 0xff));
193 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
194 RD_REG_WORD_RELAXED(®->hccr);
196 spin_unlock_irqrestore(&ha->hardware_lock, flags);
198 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
199 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
200 spin_lock_irqsave(&ha->mbx_reg_lock, flags);
202 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
203 up(&ha->mbx_intr_sem);
205 spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
208 return (IRQ_HANDLED);
212 * qla2x00_mbx_completion() - Process mailbox command completions.
213 * @ha: SCSI driver HA context
214 * @mb0: Mailbox0 register
217 qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
220 uint16_t __iomem *wptr;
221 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
223 /* Load return mailbox registers. */
224 ha->flags.mbox_int = 1;
225 ha->mailbox_out[0] = mb0;
226 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
228 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
229 if (IS_QLA2200(ha) && cnt == 8)
230 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
231 if (cnt == 4 || cnt == 5)
232 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
234 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
240 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
241 __func__, ha->host_no, ha->mcp->mb[0]));
243 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
244 __func__, ha->host_no));
249 * qla2x00_async_event() - Process aynchronous events.
250 * @ha: SCSI driver HA context
251 * @mb: Mailbox registers (0 - 3)
254 qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
257 static char *link_speeds[5] = { "1", "2", "?", "4", "10" };
262 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
263 uint32_t rscn_entry, host_pid;
264 uint8_t rscn_queue_index;
266 /* Setup to process RIO completion. */
269 case MBA_SCSI_COMPLETION:
270 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
273 case MBA_CMPLT_1_16BIT:
276 mb[0] = MBA_SCSI_COMPLETION;
278 case MBA_CMPLT_2_16BIT:
282 mb[0] = MBA_SCSI_COMPLETION;
284 case MBA_CMPLT_3_16BIT:
289 mb[0] = MBA_SCSI_COMPLETION;
291 case MBA_CMPLT_4_16BIT:
295 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
297 mb[0] = MBA_SCSI_COMPLETION;
299 case MBA_CMPLT_5_16BIT:
303 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
304 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
306 mb[0] = MBA_SCSI_COMPLETION;
308 case MBA_CMPLT_2_32BIT:
309 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
310 handles[1] = le32_to_cpu(
311 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
312 RD_MAILBOX_REG(ha, reg, 6));
314 mb[0] = MBA_SCSI_COMPLETION;
321 case MBA_SCSI_COMPLETION: /* Fast Post */
322 if (!ha->flags.online)
325 for (cnt = 0; cnt < handle_cnt; cnt++)
326 qla2x00_process_completed_request(ha, handles[cnt]);
329 case MBA_RESET: /* Reset */
330 DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no));
332 set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
335 case MBA_SYSTEM_ERR: /* System Error */
336 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
337 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
338 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
340 qla_printk(KERN_INFO, ha,
341 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
342 mb[1], mb[2], mb[3]);
344 ha->isp_ops.fw_dump(ha, 1);
346 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
347 if (mb[1] == 0 && mb[2] == 0) {
348 qla_printk(KERN_ERR, ha,
349 "Unrecoverable Hardware Error: adapter "
350 "marked OFFLINE!\n");
351 ha->flags.online = 0;
353 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
354 } else if (mb[1] == 0) {
355 qla_printk(KERN_INFO, ha,
356 "Unrecoverable Hardware Error: adapter marked "
358 ha->flags.online = 0;
360 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
363 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
364 DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n",
366 qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
368 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
371 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
372 DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
374 qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
376 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
379 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
380 DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
384 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
385 DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no,
387 qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]);
389 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
390 atomic_set(&ha->loop_state, LOOP_DOWN);
391 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
392 qla2x00_mark_all_devices_lost(ha, 1);
395 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
397 ha->flags.management_server_logged_in = 0;
399 /* Update AEN queue. */
400 qla2x00_enqueue_aen(ha, MBA_LIP_OCCURRED, NULL);
404 case MBA_LOOP_UP: /* Loop Up Event */
405 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
406 link_speed = link_speeds[0];
407 ha->link_data_rate = LDR_1GB;
409 link_speed = link_speeds[LS_UNKNOWN];
411 link_speed = link_speeds[mb[1]];
412 ha->link_data_rate = mb[1];
415 DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
416 ha->host_no, link_speed));
417 qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n",
420 ha->flags.management_server_logged_in = 0;
422 /* Update AEN queue. */
423 qla2x00_enqueue_aen(ha, MBA_LOOP_UP, NULL);
426 case MBA_LOOP_DOWN: /* Loop Down Event */
427 DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n",
428 ha->host_no, mb[1]));
429 qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]);
431 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
432 atomic_set(&ha->loop_state, LOOP_DOWN);
433 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
434 ha->device_flags |= DFLG_NO_CABLE;
435 qla2x00_mark_all_devices_lost(ha, 1);
438 ha->flags.management_server_logged_in = 0;
439 ha->link_data_rate = LDR_UNKNOWN;
441 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
443 /* Update AEN queue. */
444 qla2x00_enqueue_aen(ha, MBA_LOOP_DOWN, NULL);
447 case MBA_LIP_RESET: /* LIP reset occurred */
448 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
449 ha->host_no, mb[1]));
450 qla_printk(KERN_INFO, ha,
451 "LIP reset occured (%x).\n", mb[1]);
453 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
454 atomic_set(&ha->loop_state, LOOP_DOWN);
455 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
456 qla2x00_mark_all_devices_lost(ha, 1);
459 set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
461 ha->operating_mode = LOOP;
462 ha->flags.management_server_logged_in = 0;
464 /* Update AEN queue. */
465 qla2x00_enqueue_aen(ha, MBA_LIP_RESET, NULL);
469 case MBA_POINT_TO_POINT: /* Point-to-Point */
473 DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n",
477 * Until there's a transition from loop down to loop up, treat
478 * this as loop down only.
480 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
481 atomic_set(&ha->loop_state, LOOP_DOWN);
482 if (!atomic_read(&ha->loop_down_timer))
483 atomic_set(&ha->loop_down_timer,
485 qla2x00_mark_all_devices_lost(ha, 1);
488 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
489 set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
491 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
494 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
498 DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
501 qla_printk(KERN_INFO, ha,
502 "Configuration change detected: value=%x.\n", mb[1]);
504 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
505 atomic_set(&ha->loop_state, LOOP_DOWN);
506 if (!atomic_read(&ha->loop_down_timer))
507 atomic_set(&ha->loop_down_timer,
509 qla2x00_mark_all_devices_lost(ha, 1);
512 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
513 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
516 case MBA_PORT_UPDATE: /* Port database update */
518 * If a single remote port just logged into (or logged out of)
519 * us, create a new entry in our rscn fcports list and handle
520 * the event like an RSCN.
522 if (ql2xprocessrscn &&
523 !IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
524 !IS_QLA6322(ha) && !IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
525 ha->flags.init_done && mb[1] != 0xffff &&
526 ((ha->operating_mode == P2P && mb[1] != 0) ||
527 (ha->operating_mode != P2P && mb[1] !=
528 SNS_FIRST_LOOP_ID)) && (mb[2] == 6 || mb[2] == 7)) {
530 fc_port_t *rscn_fcport;
532 /* Create new fcport for login. */
533 rscn_fcport = qla2x00_alloc_rscn_fcport(ha, GFP_ATOMIC);
535 DEBUG14(printk("scsi(%ld): Port Update -- "
536 "creating RSCN fcport %p for %x/%x/%x.\n",
537 ha->host_no, rscn_fcport, mb[1], mb[2],
540 rscn_fcport->loop_id = mb[1];
541 rscn_fcport->d_id.b24 = INVALID_PORT_ID;
542 atomic_set(&rscn_fcport->state,
544 list_add_tail(&rscn_fcport->list,
547 rval = qla2x00_handle_port_rscn(ha, 0,
549 if (rval == QLA_SUCCESS)
552 DEBUG14(printk("scsi(%ld): Port Update -- "
553 "-- unable to allocate RSCN fcport "
554 "login.\n", ha->host_no));
559 * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
560 * event etc. earlier indicating loop is down) then process
561 * it. Otherwise ignore it and Wait for RSCN to come in.
563 atomic_set(&ha->loop_down_timer, 0);
564 if (atomic_read(&ha->loop_state) != LOOP_DOWN &&
565 atomic_read(&ha->loop_state) != LOOP_DEAD) {
566 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
567 "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1],
572 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
574 DEBUG(printk(KERN_INFO
575 "scsi(%ld): Port database changed %04x %04x %04x.\n",
576 ha->host_no, mb[1], mb[2], mb[3]));
579 * Mark all devices as missing so we will login again.
581 atomic_set(&ha->loop_state, LOOP_UP);
583 qla2x00_mark_all_devices_lost(ha, 1);
585 ha->flags.rscn_queue_overflow = 1;
587 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
588 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
590 /* Update AEN queue. */
591 qla2x00_enqueue_aen(ha, MBA_PORT_UPDATE, NULL);
594 case MBA_RSCN_UPDATE: /* State Change Registration */
595 DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
597 DEBUG(printk(KERN_INFO
598 "scsi(%ld): RSCN database changed -- %04x %04x.\n",
599 ha->host_no, mb[1], mb[2]));
601 rscn_entry = (mb[1] << 16) | mb[2];
602 host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
604 if (rscn_entry == host_pid) {
605 DEBUG(printk(KERN_INFO
606 "scsi(%ld): Ignoring RSCN update to local host "
608 ha->host_no, host_pid));
612 rscn_queue_index = ha->rscn_in_ptr + 1;
613 if (rscn_queue_index == MAX_RSCN_COUNT)
614 rscn_queue_index = 0;
615 if (rscn_queue_index != ha->rscn_out_ptr) {
616 ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry;
617 ha->rscn_in_ptr = rscn_queue_index;
619 ha->flags.rscn_queue_overflow = 1;
622 atomic_set(&ha->loop_state, LOOP_UPDATE);
623 atomic_set(&ha->loop_down_timer, 0);
624 ha->flags.management_server_logged_in = 0;
626 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
627 set_bit(RSCN_UPDATE, &ha->dpc_flags);
629 /* Update AEN queue. */
630 qla2x00_enqueue_aen(ha, MBA_RSCN_UPDATE, &mb[0]);
633 /* case MBA_RIO_RESPONSE: */
634 case MBA_ZIO_RESPONSE:
635 DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n",
637 DEBUG(printk(KERN_INFO
638 "scsi(%ld): [R|Z]IO update completion.\n",
641 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
642 qla24xx_process_response_queue(ha);
644 qla2x00_process_response_queue(ha);
647 case MBA_DISCARD_RND_FRAME:
648 DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
649 "%04x.\n", ha->host_no, mb[1], mb[2], mb[3]));
655 * qla2x00_process_completed_request() - Process a Fast Post response.
656 * @ha: SCSI driver HA context
660 qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index)
664 /* Validate handle. */
665 if (index >= MAX_OUTSTANDING_COMMANDS) {
666 DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
667 ha->host_no, index));
668 qla_printk(KERN_WARNING, ha,
669 "Invalid SCSI completion handle %d.\n", index);
671 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
675 sp = ha->outstanding_cmds[index];
677 /* Free outstanding command slot. */
678 ha->outstanding_cmds[index] = NULL;
680 CMD_COMPL_STATUS(sp->cmd) = 0L;
681 CMD_SCSI_STATUS(sp->cmd) = 0L;
683 /* Save ISP completion status */
684 sp->cmd->result = DID_OK << 16;
685 qla2x00_sp_compl(ha, sp);
687 DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n",
689 qla_printk(KERN_WARNING, ha,
690 "Invalid ISP SCSI completion handle\n");
692 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
697 * qla2x00_process_response_queue() - Process response queue entries.
698 * @ha: SCSI driver HA context
701 qla2x00_process_response_queue(struct scsi_qla_host *ha)
703 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
708 if (!ha->flags.online)
711 while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
712 pkt = (sts_entry_t *)ha->response_ring_ptr;
714 ha->rsp_ring_index++;
715 if (ha->rsp_ring_index == ha->response_q_length) {
716 ha->rsp_ring_index = 0;
717 ha->response_ring_ptr = ha->response_ring;
719 ha->response_ring_ptr++;
722 if (pkt->entry_status != 0) {
723 DEBUG3(printk(KERN_INFO
724 "scsi(%ld): Process error entry.\n", ha->host_no));
726 qla2x00_error_entry(ha, pkt);
727 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
732 switch (pkt->entry_type) {
734 qla2x00_status_entry(ha, pkt);
737 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
738 for (cnt = 0; cnt < handle_cnt; cnt++) {
739 qla2x00_process_completed_request(ha,
740 ((sts21_entry_t *)pkt)->handle[cnt]);
744 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
745 for (cnt = 0; cnt < handle_cnt; cnt++) {
746 qla2x00_process_completed_request(ha,
747 ((sts22_entry_t *)pkt)->handle[cnt]);
750 case STATUS_CONT_TYPE:
751 qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
754 qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt);
757 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
758 !IS_QLA6312(ha) && !IS_QLA6322(ha)) {
759 if (pkt->sys_define == SOURCE_ASYNC_IOCB) {
760 qla2x00_process_iodesc(ha,
761 (struct mbx_entry *)pkt);
763 /* MBX IOCB Type Not Supported. */
764 DEBUG4(printk(KERN_WARNING
765 "scsi(%ld): Received unknown MBX "
766 "IOCB response pkt type=%x "
767 "source=%x entry status=%x.\n",
768 ha->host_no, pkt->entry_type,
776 /* Type Not Supported. */
777 DEBUG4(printk(KERN_WARNING
778 "scsi(%ld): Received unknown response pkt type %x "
779 "entry status=%x.\n",
780 ha->host_no, pkt->entry_type, pkt->entry_status));
783 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
787 /* Adjust ring index */
788 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index);
792 * qla2x00_status_entry() - Process a Status IOCB entry.
793 * @ha: SCSI driver HA context
794 * @pkt: Entry pointer
797 qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
801 struct scsi_cmnd *cp;
803 struct sts_entry_24xx *sts24;
804 uint16_t comp_status;
805 uint16_t scsi_status;
806 uint8_t lscsi_status;
808 uint32_t sense_len, rsp_info_len, resid_len;
809 uint8_t *rsp_info, *sense_data;
811 sts = (sts_entry_t *) pkt;
812 sts24 = (struct sts_entry_24xx *) pkt;
813 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
814 comp_status = le16_to_cpu(sts24->comp_status);
815 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
817 comp_status = le16_to_cpu(sts->comp_status);
818 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
821 /* Fast path completion. */
822 if (comp_status == CS_COMPLETE && scsi_status == 0) {
823 qla2x00_process_completed_request(ha, sts->handle);
828 /* Validate handle. */
829 if (sts->handle < MAX_OUTSTANDING_COMMANDS) {
830 sp = ha->outstanding_cmds[sts->handle];
831 ha->outstanding_cmds[sts->handle] = NULL;
836 DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
838 qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
840 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
841 qla2xxx_wake_dpc(ha);
846 DEBUG2(printk("scsi(%ld): Command already returned back to OS "
847 "pkt->handle=%d sp=%p sp->state:%d\n",
848 ha->host_no, sts->handle, sp, sp->state));
849 qla_printk(KERN_WARNING, ha,
850 "Command is NULL: already returned to OS (sp=%p)\n", sp);
855 lscsi_status = scsi_status & STATUS_MASK;
856 CMD_ENTRY_STATUS(cp) = sts->entry_status;
857 CMD_COMPL_STATUS(cp) = comp_status;
858 CMD_SCSI_STATUS(cp) = scsi_status;
862 sense_len = rsp_info_len = resid_len = 0;
863 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
864 sense_len = le32_to_cpu(sts24->sense_len);
865 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
866 resid_len = le32_to_cpu(sts24->rsp_residual_count);
867 rsp_info = sts24->data;
868 sense_data = sts24->data;
869 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
871 sense_len = le16_to_cpu(sts->req_sense_length);
872 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
873 resid_len = le32_to_cpu(sts->residual_length);
874 rsp_info = sts->rsp_info;
875 sense_data = sts->req_sense_data;
878 /* Check for any FCP transport errors. */
879 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
880 /* Sense data lies beyond any FCP RESPONSE data. */
881 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
882 sense_data += rsp_info_len;
883 if (rsp_info_len > 3 && rsp_info[3]) {
884 DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
885 "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
886 "retrying command\n", ha->host_no,
887 cp->device->channel, cp->device->id,
888 cp->device->lun, rsp_info_len, rsp_info[0],
889 rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4],
890 rsp_info[5], rsp_info[6], rsp_info[7]));
892 cp->result = DID_BUS_BUSY << 16;
893 qla2x00_sp_compl(ha, sp);
899 * Based on Host and scsi status generate status code for Linux
901 switch (comp_status) {
903 if (scsi_status == 0) {
904 cp->result = DID_OK << 16;
907 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
910 CMD_RESID_LEN(cp) = resid;
913 ((unsigned)(cp->request_bufflen - resid) <
915 qla_printk(KERN_INFO, ha,
916 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
917 "detected (%x of %x bytes)...returning "
918 "error status.\n", ha->host_no,
919 cp->device->channel, cp->device->id,
920 cp->device->lun, resid,
921 cp->request_bufflen);
923 cp->result = DID_ERROR << 16;
927 cp->result = DID_OK << 16 | lscsi_status;
929 if (lscsi_status != SS_CHECK_CONDITION)
932 /* Copy Sense Data into sense buffer. */
933 memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
935 if (!(scsi_status & SS_SENSE_LEN_VALID))
938 if (sense_len >= sizeof(cp->sense_buffer))
939 sense_len = sizeof(cp->sense_buffer);
941 CMD_ACTUAL_SNSLEN(cp) = sense_len;
942 sp->request_sense_length = sense_len;
943 sp->request_sense_ptr = cp->sense_buffer;
945 if (sp->request_sense_length > 32)
948 memcpy(cp->sense_buffer, sense_data, sense_len);
950 sp->request_sense_ptr += sense_len;
951 sp->request_sense_length -= sense_len;
952 if (sp->request_sense_length != 0)
955 DEBUG5(printk("%s(): Check condition Sense data, "
956 "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__,
957 ha->host_no, cp->device->channel, cp->device->id,
958 cp->device->lun, cp, cp->serial_number));
960 DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
961 CMD_ACTUAL_SNSLEN(cp)));
964 case CS_DATA_UNDERRUN:
966 if (scsi_status & SS_RESIDUAL_UNDER) {
968 CMD_RESID_LEN(cp) = resid;
970 DEBUG2(printk(KERN_INFO
971 "scsi(%ld:%d:%d) UNDERRUN status detected "
972 "0x%x-0x%x.\n", ha->host_no, cp->device->id,
973 cp->device->lun, comp_status, scsi_status));
978 * Check to see if SCSI Status is non zero. If so report SCSI
981 if (lscsi_status != 0) {
982 cp->result = DID_OK << 16 | lscsi_status;
984 if (lscsi_status != SS_CHECK_CONDITION)
987 /* Copy Sense Data into sense buffer */
988 memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
990 if (!(scsi_status & SS_SENSE_LEN_VALID))
993 if (sense_len >= sizeof(cp->sense_buffer))
994 sense_len = sizeof(cp->sense_buffer);
996 CMD_ACTUAL_SNSLEN(cp) = sense_len;
997 sp->request_sense_length = sense_len;
998 sp->request_sense_ptr = cp->sense_buffer;
1000 if (sp->request_sense_length > 32)
1003 memcpy(cp->sense_buffer, sense_data, sense_len);
1005 sp->request_sense_ptr += sense_len;
1006 sp->request_sense_length -= sense_len;
1007 if (sp->request_sense_length != 0)
1008 ha->status_srb = sp;
1010 DEBUG5(printk("%s(): Check condition Sense data, "
1011 "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
1012 __func__, ha->host_no, cp->device->channel,
1013 cp->device->id, cp->device->lun, cp,
1014 cp->serial_number));
1017 DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
1018 CMD_ACTUAL_SNSLEN(cp)));
1021 * If RISC reports underrun and target does not report
1022 * it then we must have a lost frame, so tell upper
1023 * layer to retry it by reporting a bus busy.
1025 if (!(scsi_status & SS_RESIDUAL_UNDER)) {
1026 DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
1027 "frame(s) detected (%x of %x bytes)..."
1028 "retrying command.\n", ha->host_no,
1029 cp->device->channel, cp->device->id,
1030 cp->device->lun, resid,
1031 cp->request_bufflen));
1033 cp->result = DID_BUS_BUSY << 16;
1037 /* Handle mid-layer underflow */
1038 if ((unsigned)(cp->request_bufflen - resid) <
1040 qla_printk(KERN_INFO, ha,
1041 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1042 "detected (%x of %x bytes)...returning "
1043 "error status.\n", ha->host_no,
1044 cp->device->channel, cp->device->id,
1045 cp->device->lun, resid,
1046 cp->request_bufflen);
1048 cp->result = DID_ERROR << 16;
1052 /* Everybody online, looking good... */
1053 cp->result = DID_OK << 16;
1057 case CS_DATA_OVERRUN:
1058 DEBUG2(printk(KERN_INFO
1059 "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
1060 ha->host_no, cp->device->id, cp->device->lun, comp_status,
1062 DEBUG2(printk(KERN_INFO
1063 "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1064 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
1065 cp->cmnd[4], cp->cmnd[5]));
1066 DEBUG2(printk(KERN_INFO
1067 "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
1069 cp->serial_number, cp->request_bufflen, resid_len));
1071 cp->result = DID_ERROR << 16;
1074 case CS_PORT_LOGGED_OUT:
1075 case CS_PORT_CONFIG_CHG:
1078 case CS_PORT_UNAVAILABLE:
1080 * If the port is in Target Down state, return all IOs for this
1081 * Target with DID_NO_CONNECT ELSE Queue the IOs in the
1084 DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
1085 "pid=%ld, compl status=0x%x, port state=0x%x\n",
1086 ha->host_no, cp->device->id, cp->device->lun,
1087 cp->serial_number, comp_status,
1088 atomic_read(&fcport->state)));
1090 cp->result = DID_BUS_BUSY << 16;
1091 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1092 qla2x00_mark_device_lost(ha, fcport, 1, 1);
1097 DEBUG2(printk(KERN_INFO
1098 "scsi(%ld): RESET status detected 0x%x-0x%x.\n",
1099 ha->host_no, comp_status, scsi_status));
1101 cp->result = DID_RESET << 16;
1106 * hv2.19.12 - DID_ABORT does not retry the request if we
1107 * aborted this request then abort otherwise it must be a
1110 DEBUG2(printk(KERN_INFO
1111 "scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
1112 ha->host_no, comp_status, scsi_status));
1114 cp->result = DID_RESET << 16;
1118 cp->result = DID_BUS_BUSY << 16;
1120 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
1121 DEBUG2(printk(KERN_INFO
1122 "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
1123 "0x%x-0x%x\n", ha->host_no, cp->device->channel,
1124 cp->device->id, cp->device->lun, comp_status,
1128 DEBUG2(printk(KERN_INFO
1129 "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
1130 "sflags=%x.\n", ha->host_no, cp->device->channel,
1131 cp->device->id, cp->device->lun, comp_status, scsi_status,
1132 le16_to_cpu(sts->status_flags)));
1134 /* Check to see if logout occurred. */
1135 if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT))
1136 qla2x00_mark_device_lost(ha, fcport, 1, 1);
1140 DEBUG2(printk(KERN_INFO
1141 "scsi(%ld): QUEUE FULL status detected 0x%x-0x%x.\n",
1142 ha->host_no, comp_status, scsi_status));
1144 /* SCSI Mid-Layer handles device queue full */
1146 cp->result = DID_OK << 16 | lscsi_status;
1151 DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
1152 "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status));
1153 qla_printk(KERN_INFO, ha,
1154 "Unknown status detected 0x%x-0x%x.\n",
1155 comp_status, scsi_status);
1157 cp->result = DID_ERROR << 16;
1161 /* Place command on done queue. */
1162 if (ha->status_srb == NULL)
1163 qla2x00_sp_compl(ha, sp);
1167 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1168 * @ha: SCSI driver HA context
1169 * @pkt: Entry pointer
1171 * Extended sense data.
1174 qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt)
1176 uint8_t sense_sz = 0;
1177 srb_t *sp = ha->status_srb;
1178 struct scsi_cmnd *cp;
1180 if (sp != NULL && sp->request_sense_length != 0) {
1183 DEBUG2(printk("%s(): Cmd already returned back to OS "
1184 "sp=%p sp->state:%d\n", __func__, sp, sp->state));
1185 qla_printk(KERN_INFO, ha,
1186 "cmd is NULL: already returned to OS (sp=%p)\n",
1189 ha->status_srb = NULL;
1193 if (sp->request_sense_length > sizeof(pkt->data)) {
1194 sense_sz = sizeof(pkt->data);
1196 sense_sz = sp->request_sense_length;
1199 /* Move sense data. */
1200 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
1201 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
1202 memcpy(sp->request_sense_ptr, pkt->data, sense_sz);
1203 DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz));
1205 sp->request_sense_ptr += sense_sz;
1206 sp->request_sense_length -= sense_sz;
1208 /* Place command on done queue. */
1209 if (sp->request_sense_length == 0) {
1210 ha->status_srb = NULL;
1211 qla2x00_sp_compl(ha, sp);
1217 * qla2x00_error_entry() - Process an error entry.
1218 * @ha: SCSI driver HA context
1219 * @pkt: Entry pointer
1222 qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
1226 #if defined(QL_DEBUG_LEVEL_2)
1227 if (pkt->entry_status & RF_INV_E_ORDER)
1228 qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__);
1229 else if (pkt->entry_status & RF_INV_E_COUNT)
1230 qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__);
1231 else if (pkt->entry_status & RF_INV_E_PARAM)
1232 qla_printk(KERN_ERR, ha,
1233 "%s: Invalid Entry Parameter\n", __func__);
1234 else if (pkt->entry_status & RF_INV_E_TYPE)
1235 qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__);
1236 else if (pkt->entry_status & RF_BUSY)
1237 qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__);
1239 qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__);
1242 /* Validate handle. */
1243 if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
1244 sp = ha->outstanding_cmds[pkt->handle];
1249 /* Free outstanding command slot. */
1250 ha->outstanding_cmds[pkt->handle] = NULL;
1252 /* Bad payload or header */
1253 if (pkt->entry_status &
1254 (RF_INV_E_ORDER | RF_INV_E_COUNT |
1255 RF_INV_E_PARAM | RF_INV_E_TYPE)) {
1256 sp->cmd->result = DID_ERROR << 16;
1257 } else if (pkt->entry_status & RF_BUSY) {
1258 sp->cmd->result = DID_BUS_BUSY << 16;
1260 sp->cmd->result = DID_ERROR << 16;
1262 qla2x00_sp_compl(ha, sp);
1264 } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type ==
1265 COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) {
1266 DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
1268 qla_printk(KERN_WARNING, ha,
1269 "Error entry - invalid handle\n");
1271 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1272 qla2xxx_wake_dpc(ha);
1277 * qla2x00_ms_entry() - Process a Management Server entry.
1278 * @ha: SCSI driver HA context
1279 * @index: Response queue out pointer
1282 qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt)
1286 DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
1287 __func__, ha->host_no, pkt, pkt->handle1));
1289 /* Validate handle. */
1290 if (pkt->handle1 < MAX_OUTSTANDING_COMMANDS)
1291 sp = ha->outstanding_cmds[pkt->handle1];
1296 DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
1298 qla_printk(KERN_WARNING, ha, "MS entry - invalid handle\n");
1300 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1304 CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->status);
1305 CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
1307 /* Free outstanding command slot. */
1308 ha->outstanding_cmds[pkt->handle1] = NULL;
1310 qla2x00_sp_compl(ha, sp);
1315 * qla24xx_mbx_completion() - Process mailbox command completions.
1316 * @ha: SCSI driver HA context
1317 * @mb0: Mailbox0 register
1320 qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
1323 uint16_t __iomem *wptr;
1324 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1326 /* Load return mailbox registers. */
1327 ha->flags.mbox_int = 1;
1328 ha->mailbox_out[0] = mb0;
1329 wptr = (uint16_t __iomem *)®->mailbox1;
1331 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
1332 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
1337 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
1338 __func__, ha->host_no, ha->mcp->mb[0]));
1340 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
1341 __func__, ha->host_no));
1346 * qla24xx_process_response_queue() - Process response queue entries.
1347 * @ha: SCSI driver HA context
1350 qla24xx_process_response_queue(struct scsi_qla_host *ha)
1352 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1353 struct sts_entry_24xx *pkt;
1355 if (!ha->flags.online)
1358 while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
1359 pkt = (struct sts_entry_24xx *)ha->response_ring_ptr;
1361 ha->rsp_ring_index++;
1362 if (ha->rsp_ring_index == ha->response_q_length) {
1363 ha->rsp_ring_index = 0;
1364 ha->response_ring_ptr = ha->response_ring;
1366 ha->response_ring_ptr++;
1369 if (pkt->entry_status != 0) {
1370 DEBUG3(printk(KERN_INFO
1371 "scsi(%ld): Process error entry.\n", ha->host_no));
1373 qla2x00_error_entry(ha, (sts_entry_t *) pkt);
1374 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1379 switch (pkt->entry_type) {
1381 qla2x00_status_entry(ha, pkt);
1383 case STATUS_CONT_TYPE:
1384 qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
1387 qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
1390 /* Type Not Supported. */
1391 DEBUG4(printk(KERN_WARNING
1392 "scsi(%ld): Received unknown response pkt type %x "
1393 "entry status=%x.\n",
1394 ha->host_no, pkt->entry_type, pkt->entry_status));
1397 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1401 /* Adjust ring index */
1402 WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index);
1406 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
1408 * @dev_id: SCSI driver HA context
1411 * Called by system whenever the host adapter generates an interrupt.
1413 * Returns handled flag.
1416 qla24xx_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
1418 scsi_qla_host_t *ha;
1419 struct device_reg_24xx __iomem *reg;
1421 unsigned long flags;
1427 ha = (scsi_qla_host_t *) dev_id;
1430 "%s(): NULL host pointer\n", __func__);
1434 reg = &ha->iobase->isp24;
1437 spin_lock_irqsave(&ha->hardware_lock, flags);
1438 for (iter = 50; iter--; ) {
1439 stat = RD_REG_DWORD(®->host_status);
1440 if (stat & HSRX_RISC_PAUSED) {
1441 hccr = RD_REG_DWORD(®->hccr);
1443 qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
1444 "Dumping firmware!\n", hccr);
1445 qla24xx_fw_dump(ha, 1);
1447 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1449 } else if ((stat & HSRX_RISC_INT) == 0)
1452 switch (stat & 0xff) {
1457 qla24xx_mbx_completion(ha, MSW(stat));
1458 status |= MBX_INTERRUPT;
1463 mb[1] = RD_REG_WORD(®->mailbox1);
1464 mb[2] = RD_REG_WORD(®->mailbox2);
1465 mb[3] = RD_REG_WORD(®->mailbox3);
1466 qla2x00_async_event(ha, mb);
1469 qla24xx_process_response_queue(ha);
1472 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
1474 ha->host_no, stat & 0xff));
1477 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
1478 RD_REG_DWORD_RELAXED(®->hccr);
1480 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1482 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
1483 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
1484 spin_lock_irqsave(&ha->mbx_reg_lock, flags);
1486 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
1487 up(&ha->mbx_intr_sem);
1489 spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
1496 * qla24xx_ms_entry() - Process a Management Server entry.
1497 * @ha: SCSI driver HA context
1498 * @index: Response queue out pointer
1501 qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt)
1505 DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
1506 __func__, ha->host_no, pkt, pkt->handle));
1508 DEBUG9(printk("%s: ct pkt dump:\n", __func__);)
1509 DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx));)
1511 /* Validate handle. */
1512 if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
1513 sp = ha->outstanding_cmds[pkt->handle];
1518 DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
1520 DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n",
1522 qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n",
1525 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1529 CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status);
1530 CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
1532 /* Free outstanding command slot. */
1533 ha->outstanding_cmds[pkt->handle] = NULL;
1535 qla2x00_sp_compl(ha, sp);