2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/delay.h>
10 #include <scsi/scsi_tcq.h>
12 static void qla2x00_mbx_completion(scsi_qla_host_t
*, uint16_t);
13 static void qla2x00_process_completed_request(struct scsi_qla_host
*,
14 struct req_que
*, uint32_t);
15 static void qla2x00_status_entry(scsi_qla_host_t
*, struct rsp_que
*, void *);
16 static void qla2x00_status_cont_entry(struct rsp_que
*, sts_cont_entry_t
*);
17 static void qla2x00_error_entry(scsi_qla_host_t
*, struct rsp_que
*,
21 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
23 * @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
)
33 struct qla_hw_data
*ha
;
34 struct device_reg_2xxx __iomem
*reg
;
41 rsp
= (struct rsp_que
*) dev_id
;
44 "%s(): NULL response queue pointer\n", __func__
);
49 reg
= &ha
->iobase
->isp
;
52 spin_lock(&ha
->hardware_lock
);
53 vha
= pci_get_drvdata(ha
->pdev
);
54 for (iter
= 50; iter
--; ) {
55 hccr
= RD_REG_WORD(®
->hccr
);
56 if (hccr
& HCCR_RISC_PAUSE
) {
57 if (pci_channel_offline(ha
->pdev
))
61 * Issue a "HARD" reset in order for the RISC interrupt
62 * bit to be cleared. Schedule a big hammmer to get
63 * out of the RISC PAUSED state.
65 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
66 RD_REG_WORD(®
->hccr
);
68 ha
->isp_ops
->fw_dump(vha
, 1);
69 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
71 } else if ((RD_REG_WORD(®
->istatus
) & ISR_RISC_INT
) == 0)
74 if (RD_REG_WORD(®
->semaphore
) & BIT_0
) {
75 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
76 RD_REG_WORD(®
->hccr
);
78 /* Get mailbox data. */
79 mb
[0] = RD_MAILBOX_REG(ha
, reg
, 0);
80 if (mb
[0] > 0x3fff && mb
[0] < 0x8000) {
81 qla2x00_mbx_completion(vha
, mb
[0]);
82 status
|= MBX_INTERRUPT
;
83 } else if (mb
[0] > 0x7fff && mb
[0] < 0xc000) {
84 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
85 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
86 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
87 qla2x00_async_event(vha
, rsp
, mb
);
90 DEBUG2(printk("scsi(%ld): Unrecognized "
91 "interrupt type (%d).\n",
92 vha
->host_no
, mb
[0]));
94 /* Release mailbox registers. */
95 WRT_REG_WORD(®
->semaphore
, 0);
96 RD_REG_WORD(®
->semaphore
);
98 qla2x00_process_response_queue(rsp
);
100 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
101 RD_REG_WORD(®
->hccr
);
104 spin_unlock(&ha
->hardware_lock
);
106 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
107 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
108 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
109 complete(&ha
->mbx_intr_comp
);
112 return (IRQ_HANDLED
);
116 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
118 * @dev_id: SCSI driver HA context
120 * Called by system whenever the host adapter generates an interrupt.
122 * Returns handled flag.
125 qla2300_intr_handler(int irq
, void *dev_id
)
127 scsi_qla_host_t
*vha
;
128 struct device_reg_2xxx __iomem
*reg
;
135 struct qla_hw_data
*ha
;
137 rsp
= (struct rsp_que
*) dev_id
;
140 "%s(): NULL response queue pointer\n", __func__
);
145 reg
= &ha
->iobase
->isp
;
148 spin_lock(&ha
->hardware_lock
);
149 vha
= pci_get_drvdata(ha
->pdev
);
150 for (iter
= 50; iter
--; ) {
151 stat
= RD_REG_DWORD(®
->u
.isp2300
.host_status
);
152 if (stat
& HSR_RISC_PAUSED
) {
153 if (pci_channel_offline(ha
->pdev
))
156 hccr
= RD_REG_WORD(®
->hccr
);
157 if (hccr
& (BIT_15
| BIT_13
| BIT_11
| BIT_8
))
158 qla_printk(KERN_INFO
, ha
, "Parity error -- "
159 "HCCR=%x, Dumping firmware!\n", hccr
);
161 qla_printk(KERN_INFO
, ha
, "RISC paused -- "
162 "HCCR=%x, Dumping firmware!\n", hccr
);
165 * Issue a "HARD" reset in order for the RISC
166 * interrupt bit to be cleared. Schedule a big
167 * hammmer to get out of the RISC PAUSED state.
169 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
170 RD_REG_WORD(®
->hccr
);
172 ha
->isp_ops
->fw_dump(vha
, 1);
173 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
175 } else if ((stat
& HSR_RISC_INT
) == 0)
178 switch (stat
& 0xff) {
183 qla2x00_mbx_completion(vha
, MSW(stat
));
184 status
|= MBX_INTERRUPT
;
186 /* Release mailbox registers. */
187 WRT_REG_WORD(®
->semaphore
, 0);
191 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
192 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
193 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
194 qla2x00_async_event(vha
, rsp
, mb
);
197 qla2x00_process_response_queue(rsp
);
200 mb
[0] = MBA_CMPLT_1_16BIT
;
202 qla2x00_async_event(vha
, rsp
, mb
);
205 mb
[0] = MBA_SCSI_COMPLETION
;
207 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
208 qla2x00_async_event(vha
, rsp
, mb
);
211 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
213 vha
->host_no
, stat
& 0xff));
216 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
217 RD_REG_WORD_RELAXED(®
->hccr
);
219 spin_unlock(&ha
->hardware_lock
);
221 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
222 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
223 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
224 complete(&ha
->mbx_intr_comp
);
227 return (IRQ_HANDLED
);
231 * qla2x00_mbx_completion() - Process mailbox command completions.
232 * @ha: SCSI driver HA context
233 * @mb0: Mailbox0 register
236 qla2x00_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
239 uint16_t __iomem
*wptr
;
240 struct qla_hw_data
*ha
= vha
->hw
;
241 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
243 /* Load return mailbox registers. */
244 ha
->flags
.mbox_int
= 1;
245 ha
->mailbox_out
[0] = mb0
;
246 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 1);
248 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
249 if (IS_QLA2200(ha
) && cnt
== 8)
250 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 8);
251 if (cnt
== 4 || cnt
== 5)
252 ha
->mailbox_out
[cnt
] = qla2x00_debounce_register(wptr
);
254 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
260 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
261 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
263 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
264 __func__
, vha
->host_no
));
269 qla81xx_idc_event(scsi_qla_host_t
*vha
, uint16_t aen
, uint16_t descr
)
271 static char *event
[] =
272 { "Complete", "Request Notification", "Time Extension" };
274 struct device_reg_24xx __iomem
*reg24
= &vha
->hw
->iobase
->isp24
;
275 uint16_t __iomem
*wptr
;
276 uint16_t cnt
, timeout
, mb
[QLA_IDC_ACK_REGS
];
278 /* Seed data -- mailbox1 -> mailbox7. */
279 wptr
= (uint16_t __iomem
*)®24
->mailbox1
;
280 for (cnt
= 0; cnt
< QLA_IDC_ACK_REGS
; cnt
++, wptr
++)
281 mb
[cnt
] = RD_REG_WORD(wptr
);
283 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
284 "%04x %04x %04x %04x %04x %04x %04x.\n", vha
->host_no
,
286 mb
[0], mb
[1], mb
[2], mb
[3], mb
[4], mb
[5], mb
[6]));
288 /* Acknowledgement needed? [Notify && non-zero timeout]. */
289 timeout
= (descr
>> 8) & 0xf;
290 if (aen
!= MBA_IDC_NOTIFY
|| !timeout
)
293 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
294 "ACK timeout=%d.\n", vha
->host_no
, event
[aen
& 0xff], timeout
));
296 rval
= qla2x00_post_idc_ack_work(vha
, mb
);
297 if (rval
!= QLA_SUCCESS
)
298 qla_printk(KERN_WARNING
, vha
->hw
,
299 "IDC failed to post ACK.\n");
303 * qla2x00_async_event() - Process aynchronous events.
304 * @ha: SCSI driver HA context
305 * @mb: Mailbox registers (0 - 3)
308 qla2x00_async_event(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, uint16_t *mb
)
311 static char *link_speeds
[] = { "1", "2", "?", "4", "8", "10" };
316 struct qla_hw_data
*ha
= vha
->hw
;
317 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
318 uint32_t rscn_entry
, host_pid
;
319 uint8_t rscn_queue_index
;
322 /* Setup to process RIO completion. */
327 case MBA_SCSI_COMPLETION
:
328 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
331 case MBA_CMPLT_1_16BIT
:
334 mb
[0] = MBA_SCSI_COMPLETION
;
336 case MBA_CMPLT_2_16BIT
:
340 mb
[0] = MBA_SCSI_COMPLETION
;
342 case MBA_CMPLT_3_16BIT
:
347 mb
[0] = MBA_SCSI_COMPLETION
;
349 case MBA_CMPLT_4_16BIT
:
353 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
355 mb
[0] = MBA_SCSI_COMPLETION
;
357 case MBA_CMPLT_5_16BIT
:
361 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
362 handles
[4] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 7);
364 mb
[0] = MBA_SCSI_COMPLETION
;
366 case MBA_CMPLT_2_32BIT
:
367 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
368 handles
[1] = le32_to_cpu(
369 ((uint32_t)(RD_MAILBOX_REG(ha
, reg
, 7) << 16)) |
370 RD_MAILBOX_REG(ha
, reg
, 6));
372 mb
[0] = MBA_SCSI_COMPLETION
;
379 case MBA_SCSI_COMPLETION
: /* Fast Post */
380 if (!vha
->flags
.online
)
383 for (cnt
= 0; cnt
< handle_cnt
; cnt
++)
384 qla2x00_process_completed_request(vha
, rsp
->req
,
388 case MBA_RESET
: /* Reset */
389 DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n",
392 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
395 case MBA_SYSTEM_ERR
: /* System Error */
396 qla_printk(KERN_INFO
, ha
,
397 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
398 mb
[1], mb
[2], mb
[3]);
400 ha
->isp_ops
->fw_dump(vha
, 1);
402 if (IS_FWI2_CAPABLE(ha
)) {
403 if (mb
[1] == 0 && mb
[2] == 0) {
404 qla_printk(KERN_ERR
, ha
,
405 "Unrecoverable Hardware Error: adapter "
406 "marked OFFLINE!\n");
407 vha
->flags
.online
= 0;
409 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
410 } else if (mb
[1] == 0) {
411 qla_printk(KERN_INFO
, ha
,
412 "Unrecoverable Hardware Error: adapter marked "
414 vha
->flags
.online
= 0;
416 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
419 case MBA_REQ_TRANSFER_ERR
: /* Request Transfer Error */
420 DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n",
422 qla_printk(KERN_WARNING
, ha
, "ISP Request Transfer Error.\n");
424 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
427 case MBA_RSP_TRANSFER_ERR
: /* Response Transfer Error */
428 DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
430 qla_printk(KERN_WARNING
, ha
, "ISP Response Transfer Error.\n");
432 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
435 case MBA_WAKEUP_THRES
: /* Request Queue Wake-up */
436 DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
440 case MBA_LIP_OCCURRED
: /* Loop Initialization Procedure */
441 DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha
->host_no
,
443 qla_printk(KERN_INFO
, ha
, "LIP occurred (%x).\n", mb
[1]);
445 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
446 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
447 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
448 qla2x00_mark_all_devices_lost(vha
, 1);
452 atomic_set(&vha
->vp_state
, VP_FAILED
);
453 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
456 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
457 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
459 vha
->flags
.management_server_logged_in
= 0;
460 qla2x00_post_aen_work(vha
, FCH_EVT_LIP
, mb
[1]);
463 case MBA_LOOP_UP
: /* Loop Up Event */
464 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
465 link_speed
= link_speeds
[0];
466 ha
->link_data_rate
= PORT_SPEED_1GB
;
468 link_speed
= link_speeds
[LS_UNKNOWN
];
470 link_speed
= link_speeds
[mb
[1]];
471 else if (mb
[1] == 0x13)
472 link_speed
= link_speeds
[5];
473 ha
->link_data_rate
= mb
[1];
476 DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
477 vha
->host_no
, link_speed
));
478 qla_printk(KERN_INFO
, ha
, "LOOP UP detected (%s Gbps).\n",
481 vha
->flags
.management_server_logged_in
= 0;
482 qla2x00_post_aen_work(vha
, FCH_EVT_LINKUP
, ha
->link_data_rate
);
485 case MBA_LOOP_DOWN
: /* Loop Down Event */
486 DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
487 "(%x %x %x).\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
488 qla_printk(KERN_INFO
, ha
, "LOOP DOWN detected (%x %x %x).\n",
489 mb
[1], mb
[2], mb
[3]);
491 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
492 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
493 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
494 vha
->device_flags
|= DFLG_NO_CABLE
;
495 qla2x00_mark_all_devices_lost(vha
, 1);
499 atomic_set(&vha
->vp_state
, VP_FAILED
);
500 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
503 vha
->flags
.management_server_logged_in
= 0;
504 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
505 qla2x00_post_aen_work(vha
, FCH_EVT_LINKDOWN
, 0);
508 case MBA_LIP_RESET
: /* LIP reset occurred */
509 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
510 vha
->host_no
, mb
[1]));
511 qla_printk(KERN_INFO
, ha
,
512 "LIP reset occurred (%x).\n", mb
[1]);
514 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
515 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
516 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
517 qla2x00_mark_all_devices_lost(vha
, 1);
521 atomic_set(&vha
->vp_state
, VP_FAILED
);
522 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
525 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
527 ha
->operating_mode
= LOOP
;
528 vha
->flags
.management_server_logged_in
= 0;
529 qla2x00_post_aen_work(vha
, FCH_EVT_LIPRESET
, mb
[1]);
532 /* case MBA_DCBX_COMPLETE: */
533 case MBA_POINT_TO_POINT
: /* Point-to-Point */
538 DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x "
539 "%04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
541 DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE "
542 "received.\n", vha
->host_no
));
545 * Until there's a transition from loop down to loop up, treat
546 * this as loop down only.
548 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
549 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
550 if (!atomic_read(&vha
->loop_down_timer
))
551 atomic_set(&vha
->loop_down_timer
,
553 qla2x00_mark_all_devices_lost(vha
, 1);
557 atomic_set(&vha
->vp_state
, VP_FAILED
);
558 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
561 if (!(test_bit(ABORT_ISP_ACTIVE
, &vha
->dpc_flags
)))
562 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
564 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
565 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
567 ha
->flags
.gpsc_supported
= 1;
568 vha
->flags
.management_server_logged_in
= 0;
571 case MBA_CHG_IN_CONNECTION
: /* Change in connection mode */
575 DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
578 qla_printk(KERN_INFO
, ha
,
579 "Configuration change detected: value=%x.\n", mb
[1]);
581 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
582 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
583 if (!atomic_read(&vha
->loop_down_timer
))
584 atomic_set(&vha
->loop_down_timer
,
586 qla2x00_mark_all_devices_lost(vha
, 1);
590 atomic_set(&vha
->vp_state
, VP_FAILED
);
591 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
594 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
595 set_bit(LOCAL_LOOP_UPDATE
, &vha
->dpc_flags
);
598 case MBA_PORT_UPDATE
: /* Port database update */
599 /* Only handle SCNs for our Vport index. */
600 if (vha
->vp_idx
&& vha
->vp_idx
!= (mb
[3] & 0xff))
604 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
605 * event etc. earlier indicating loop is down) then process
606 * it. Otherwise ignore it and Wait for RSCN to come in.
608 atomic_set(&vha
->loop_down_timer
, 0);
609 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
&&
610 atomic_read(&vha
->loop_state
) != LOOP_DEAD
) {
611 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
612 "ignored %04x/%04x/%04x.\n", vha
->host_no
, mb
[1],
617 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
619 DEBUG(printk(KERN_INFO
620 "scsi(%ld): Port database changed %04x %04x %04x.\n",
621 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
624 * Mark all devices as missing so we will login again.
626 atomic_set(&vha
->loop_state
, LOOP_UP
);
628 qla2x00_mark_all_devices_lost(vha
, 1);
630 vha
->flags
.rscn_queue_overflow
= 1;
632 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
633 set_bit(LOCAL_LOOP_UPDATE
, &vha
->dpc_flags
);
636 case MBA_RSCN_UPDATE
: /* State Change Registration */
637 /* Check if the Vport has issued a SCR */
638 if (vha
->vp_idx
&& test_bit(VP_SCR_NEEDED
, &vha
->vp_flags
))
640 /* Only handle SCNs for our Vport index. */
641 if (vha
->vp_idx
&& vha
->vp_idx
!= (mb
[3] & 0xff))
643 DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
645 DEBUG(printk(KERN_INFO
646 "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
647 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
649 rscn_entry
= ((mb
[1] & 0xff) << 16) | mb
[2];
650 host_pid
= (vha
->d_id
.b
.domain
<< 16) | (vha
->d_id
.b
.area
<< 8)
652 if (rscn_entry
== host_pid
) {
653 DEBUG(printk(KERN_INFO
654 "scsi(%ld): Ignoring RSCN update to local host "
656 vha
->host_no
, host_pid
));
660 /* Ignore reserved bits from RSCN-payload. */
661 rscn_entry
= ((mb
[1] & 0x3ff) << 16) | mb
[2];
662 rscn_queue_index
= vha
->rscn_in_ptr
+ 1;
663 if (rscn_queue_index
== MAX_RSCN_COUNT
)
664 rscn_queue_index
= 0;
665 if (rscn_queue_index
!= vha
->rscn_out_ptr
) {
666 vha
->rscn_queue
[vha
->rscn_in_ptr
] = rscn_entry
;
667 vha
->rscn_in_ptr
= rscn_queue_index
;
669 vha
->flags
.rscn_queue_overflow
= 1;
672 atomic_set(&vha
->loop_state
, LOOP_UPDATE
);
673 atomic_set(&vha
->loop_down_timer
, 0);
674 vha
->flags
.management_server_logged_in
= 0;
676 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
677 set_bit(RSCN_UPDATE
, &vha
->dpc_flags
);
678 qla2x00_post_aen_work(vha
, FCH_EVT_RSCN
, rscn_entry
);
681 /* case MBA_RIO_RESPONSE: */
682 case MBA_ZIO_RESPONSE
:
683 DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n",
686 if (IS_FWI2_CAPABLE(ha
))
687 qla24xx_process_response_queue(vha
, rsp
);
689 qla2x00_process_response_queue(rsp
);
692 case MBA_DISCARD_RND_FRAME
:
693 DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
694 "%04x.\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
697 case MBA_TRACE_NOTIFICATION
:
698 DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
699 vha
->host_no
, mb
[1], mb
[2]));
702 case MBA_ISP84XX_ALERT
:
703 DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- "
704 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
706 spin_lock_irqsave(&ha
->cs84xx
->access_lock
, flags
);
708 case A84_PANIC_RECOVERY
:
709 qla_printk(KERN_INFO
, ha
, "Alert 84XX: panic recovery "
710 "%04x %04x\n", mb
[2], mb
[3]);
712 case A84_OP_LOGIN_COMPLETE
:
713 ha
->cs84xx
->op_fw_version
= mb
[3] << 16 | mb
[2];
714 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX:"
715 "firmware version %x\n", ha
->cs84xx
->op_fw_version
));
717 case A84_DIAG_LOGIN_COMPLETE
:
718 ha
->cs84xx
->diag_fw_version
= mb
[3] << 16 | mb
[2];
719 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX:"
720 "diagnostic firmware version %x\n",
721 ha
->cs84xx
->diag_fw_version
));
723 case A84_GOLD_LOGIN_COMPLETE
:
724 ha
->cs84xx
->diag_fw_version
= mb
[3] << 16 | mb
[2];
725 ha
->cs84xx
->fw_update
= 1;
726 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX: gold "
727 "firmware version %x\n",
728 ha
->cs84xx
->gold_fw_version
));
731 qla_printk(KERN_ERR
, ha
,
732 "Alert 84xx: Invalid Alert %04x %04x %04x\n",
733 mb
[1], mb
[2], mb
[3]);
735 spin_unlock_irqrestore(&ha
->cs84xx
->access_lock
, flags
);
738 DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n",
739 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
741 case MBA_DCBX_PARAM_UPDATE
:
742 DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- "
743 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
745 case MBA_FCF_CONF_ERR
:
746 DEBUG2(printk("scsi(%ld): FCF Configuration Error -- "
747 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
749 case MBA_IDC_COMPLETE
:
751 case MBA_IDC_TIME_EXT
:
752 qla81xx_idc_event(vha
, mb
[0], mb
[1]);
756 if (!vha
->vp_idx
&& ha
->num_vhosts
)
757 qla2x00_alert_all_vps(rsp
, mb
);
761 qla2x00_adjust_sdev_qdepth_up(struct scsi_device
*sdev
, void *data
)
763 fc_port_t
*fcport
= data
;
764 struct scsi_qla_host
*vha
= fcport
->vha
;
765 struct qla_hw_data
*ha
= vha
->hw
;
766 struct req_que
*req
= NULL
;
771 if (req
->max_q_depth
<= sdev
->queue_depth
)
774 if (sdev
->ordered_tags
)
775 scsi_adjust_queue_depth(sdev
, MSG_ORDERED_TAG
,
776 sdev
->queue_depth
+ 1);
778 scsi_adjust_queue_depth(sdev
, MSG_SIMPLE_TAG
,
779 sdev
->queue_depth
+ 1);
781 fcport
->last_ramp_up
= jiffies
;
783 DEBUG2(qla_printk(KERN_INFO
, ha
,
784 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
785 fcport
->vha
->host_no
, sdev
->channel
, sdev
->id
, sdev
->lun
,
790 qla2x00_adjust_sdev_qdepth_down(struct scsi_device
*sdev
, void *data
)
792 fc_port_t
*fcport
= data
;
794 if (!scsi_track_queue_full(sdev
, sdev
->queue_depth
- 1))
797 DEBUG2(qla_printk(KERN_INFO
, fcport
->vha
->hw
,
798 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
799 fcport
->vha
->host_no
, sdev
->channel
, sdev
->id
, sdev
->lun
,
804 qla2x00_ramp_up_queue_depth(scsi_qla_host_t
*vha
, struct req_que
*req
,
808 struct scsi_device
*sdev
;
810 sdev
= sp
->cmd
->device
;
811 if (sdev
->queue_depth
>= req
->max_q_depth
)
815 if (time_before(jiffies
,
816 fcport
->last_ramp_up
+ ql2xqfullrampup
* HZ
))
818 if (time_before(jiffies
,
819 fcport
->last_queue_full
+ ql2xqfullrampup
* HZ
))
822 starget_for_each_device(sdev
->sdev_target
, fcport
,
823 qla2x00_adjust_sdev_qdepth_up
);
827 * qla2x00_process_completed_request() - Process a Fast Post response.
828 * @ha: SCSI driver HA context
832 qla2x00_process_completed_request(struct scsi_qla_host
*vha
,
833 struct req_que
*req
, uint32_t index
)
836 struct qla_hw_data
*ha
= vha
->hw
;
838 /* Validate handle. */
839 if (index
>= MAX_OUTSTANDING_COMMANDS
) {
840 DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
841 vha
->host_no
, index
));
842 qla_printk(KERN_WARNING
, ha
,
843 "Invalid SCSI completion handle %d.\n", index
);
845 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
849 sp
= req
->outstanding_cmds
[index
];
851 /* Free outstanding command slot. */
852 req
->outstanding_cmds
[index
] = NULL
;
854 /* Save ISP completion status */
855 sp
->cmd
->result
= DID_OK
<< 16;
857 qla2x00_ramp_up_queue_depth(vha
, req
, sp
);
858 qla2x00_sp_compl(ha
, sp
);
860 DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
861 " handle(%d)\n", vha
->host_no
, req
->id
, index
));
862 qla_printk(KERN_WARNING
, ha
,
863 "Invalid ISP SCSI completion handle\n");
865 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
870 * qla2x00_process_response_queue() - Process response queue entries.
871 * @ha: SCSI driver HA context
874 qla2x00_process_response_queue(struct rsp_que
*rsp
)
876 struct scsi_qla_host
*vha
;
877 struct qla_hw_data
*ha
= rsp
->hw
;
878 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
883 vha
= pci_get_drvdata(ha
->pdev
);
885 if (!vha
->flags
.online
)
888 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
889 pkt
= (sts_entry_t
*)rsp
->ring_ptr
;
892 if (rsp
->ring_index
== rsp
->length
) {
894 rsp
->ring_ptr
= rsp
->ring
;
899 if (pkt
->entry_status
!= 0) {
900 DEBUG3(printk(KERN_INFO
901 "scsi(%ld): Process error entry.\n", vha
->host_no
));
903 qla2x00_error_entry(vha
, rsp
, pkt
);
904 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
909 switch (pkt
->entry_type
) {
911 qla2x00_status_entry(vha
, rsp
, pkt
);
914 handle_cnt
= ((sts21_entry_t
*)pkt
)->handle_count
;
915 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
916 qla2x00_process_completed_request(vha
, rsp
->req
,
917 ((sts21_entry_t
*)pkt
)->handle
[cnt
]);
921 handle_cnt
= ((sts22_entry_t
*)pkt
)->handle_count
;
922 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
923 qla2x00_process_completed_request(vha
, rsp
->req
,
924 ((sts22_entry_t
*)pkt
)->handle
[cnt
]);
927 case STATUS_CONT_TYPE
:
928 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
931 /* Type Not Supported. */
932 DEBUG4(printk(KERN_WARNING
933 "scsi(%ld): Received unknown response pkt type %x "
934 "entry status=%x.\n",
935 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
938 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
942 /* Adjust ring index */
943 WRT_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
), rsp
->ring_index
);
947 qla2x00_handle_sense(srb_t
*sp
, uint8_t *sense_data
, uint32_t sense_len
,
950 struct scsi_cmnd
*cp
= sp
->cmd
;
952 if (sense_len
>= SCSI_SENSE_BUFFERSIZE
)
953 sense_len
= SCSI_SENSE_BUFFERSIZE
;
955 sp
->request_sense_length
= sense_len
;
956 sp
->request_sense_ptr
= cp
->sense_buffer
;
957 if (sp
->request_sense_length
> 32)
960 memcpy(cp
->sense_buffer
, sense_data
, sense_len
);
962 sp
->request_sense_ptr
+= sense_len
;
963 sp
->request_sense_length
-= sense_len
;
964 if (sp
->request_sense_length
!= 0)
965 rsp
->status_srb
= sp
;
967 DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) "
968 "cmd=%p pid=%ld\n", __func__
, sp
->fcport
->vha
->host_no
,
969 cp
->device
->channel
, cp
->device
->id
, cp
->device
->lun
, cp
,
972 DEBUG5(qla2x00_dump_buffer(cp
->sense_buffer
, sense_len
));
976 * qla2x00_status_entry() - Process a Status IOCB entry.
977 * @ha: SCSI driver HA context
978 * @pkt: Entry pointer
981 qla2x00_status_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, void *pkt
)
985 struct scsi_cmnd
*cp
;
987 struct sts_entry_24xx
*sts24
;
988 uint16_t comp_status
;
989 uint16_t scsi_status
;
990 uint8_t lscsi_status
;
992 uint32_t sense_len
, rsp_info_len
, resid_len
, fw_resid_len
;
993 uint8_t *rsp_info
, *sense_data
;
994 struct qla_hw_data
*ha
= vha
->hw
;
999 sts
= (sts_entry_t
*) pkt
;
1000 sts24
= (struct sts_entry_24xx
*) pkt
;
1001 if (IS_FWI2_CAPABLE(ha
)) {
1002 comp_status
= le16_to_cpu(sts24
->comp_status
);
1003 scsi_status
= le16_to_cpu(sts24
->scsi_status
) & SS_MASK
;
1005 comp_status
= le16_to_cpu(sts
->comp_status
);
1006 scsi_status
= le16_to_cpu(sts
->scsi_status
) & SS_MASK
;
1008 handle
= (uint32_t) LSW(sts
->handle
);
1009 que
= MSW(sts
->handle
);
1010 req
= ha
->req_q_map
[que
];
1011 /* Fast path completion. */
1012 if (comp_status
== CS_COMPLETE
&& scsi_status
== 0) {
1013 qla2x00_process_completed_request(vha
, req
, handle
);
1018 /* Validate handle. */
1019 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
1020 sp
= req
->outstanding_cmds
[handle
];
1021 req
->outstanding_cmds
[handle
] = NULL
;
1026 DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
1028 qla_printk(KERN_WARNING
, ha
, "Status Entry invalid handle.\n");
1030 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1031 qla2xxx_wake_dpc(vha
);
1036 DEBUG2(printk("scsi(%ld): Command already returned back to OS "
1037 "pkt->handle=%d sp=%p.\n", vha
->host_no
, handle
, sp
));
1038 qla_printk(KERN_WARNING
, ha
,
1039 "Command is NULL: already returned to OS (sp=%p)\n", sp
);
1044 lscsi_status
= scsi_status
& STATUS_MASK
;
1046 fcport
= sp
->fcport
;
1048 sense_len
= rsp_info_len
= resid_len
= fw_resid_len
= 0;
1049 if (IS_FWI2_CAPABLE(ha
)) {
1050 sense_len
= le32_to_cpu(sts24
->sense_len
);
1051 rsp_info_len
= le32_to_cpu(sts24
->rsp_data_len
);
1052 resid_len
= le32_to_cpu(sts24
->rsp_residual_count
);
1053 fw_resid_len
= le32_to_cpu(sts24
->residual_len
);
1054 rsp_info
= sts24
->data
;
1055 sense_data
= sts24
->data
;
1056 host_to_fcp_swap(sts24
->data
, sizeof(sts24
->data
));
1058 sense_len
= le16_to_cpu(sts
->req_sense_length
);
1059 rsp_info_len
= le16_to_cpu(sts
->rsp_info_len
);
1060 resid_len
= le32_to_cpu(sts
->residual_length
);
1061 rsp_info
= sts
->rsp_info
;
1062 sense_data
= sts
->req_sense_data
;
1065 /* Check for any FCP transport errors. */
1066 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
) {
1067 /* Sense data lies beyond any FCP RESPONSE data. */
1068 if (IS_FWI2_CAPABLE(ha
))
1069 sense_data
+= rsp_info_len
;
1070 if (rsp_info_len
> 3 && rsp_info
[3]) {
1071 DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
1072 "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
1073 "retrying command\n", vha
->host_no
,
1074 cp
->device
->channel
, cp
->device
->id
,
1075 cp
->device
->lun
, rsp_info_len
, rsp_info
[0],
1076 rsp_info
[1], rsp_info
[2], rsp_info
[3], rsp_info
[4],
1077 rsp_info
[5], rsp_info
[6], rsp_info
[7]));
1079 cp
->result
= DID_BUS_BUSY
<< 16;
1080 qla2x00_sp_compl(ha
, sp
);
1085 /* Check for overrun. */
1086 if (IS_FWI2_CAPABLE(ha
) && comp_status
== CS_COMPLETE
&&
1087 scsi_status
& SS_RESIDUAL_OVER
)
1088 comp_status
= CS_DATA_OVERRUN
;
1091 * Based on Host and scsi status generate status code for Linux
1093 switch (comp_status
) {
1096 if (scsi_status
== 0) {
1097 cp
->result
= DID_OK
<< 16;
1100 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
)) {
1102 scsi_set_resid(cp
, resid
);
1104 if (!lscsi_status
&&
1105 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1107 qla_printk(KERN_INFO
, ha
,
1108 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1109 "detected (%x of %x bytes)...returning "
1110 "error status.\n", vha
->host_no
,
1111 cp
->device
->channel
, cp
->device
->id
,
1112 cp
->device
->lun
, resid
,
1115 cp
->result
= DID_ERROR
<< 16;
1119 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1121 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1122 DEBUG2(printk(KERN_INFO
1123 "scsi(%ld): QUEUE FULL status detected "
1124 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1127 /* Adjust queue depth for all luns on the port. */
1128 fcport
->last_queue_full
= jiffies
;
1129 starget_for_each_device(cp
->device
->sdev_target
,
1130 fcport
, qla2x00_adjust_sdev_qdepth_down
);
1133 if (lscsi_status
!= SS_CHECK_CONDITION
)
1136 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1137 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1140 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1143 case CS_DATA_UNDERRUN
:
1145 /* Use F/W calculated residual length. */
1146 if (IS_FWI2_CAPABLE(ha
)) {
1147 if (!(scsi_status
& SS_RESIDUAL_UNDER
)) {
1149 } else if (resid
!= fw_resid_len
) {
1150 scsi_status
&= ~SS_RESIDUAL_UNDER
;
1153 resid
= fw_resid_len
;
1156 if (scsi_status
& SS_RESIDUAL_UNDER
) {
1157 scsi_set_resid(cp
, resid
);
1159 DEBUG2(printk(KERN_INFO
1160 "scsi(%ld:%d:%d) UNDERRUN status detected "
1161 "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x "
1162 "os_underflow=0x%x\n", vha
->host_no
,
1163 cp
->device
->id
, cp
->device
->lun
, comp_status
,
1164 scsi_status
, resid_len
, resid
, cp
->cmnd
[0],
1170 * Check to see if SCSI Status is non zero. If so report SCSI
1173 if (lscsi_status
!= 0) {
1174 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1176 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1177 DEBUG2(printk(KERN_INFO
1178 "scsi(%ld): QUEUE FULL status detected "
1179 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1183 * Adjust queue depth for all luns on the
1186 fcport
->last_queue_full
= jiffies
;
1187 starget_for_each_device(
1188 cp
->device
->sdev_target
, fcport
,
1189 qla2x00_adjust_sdev_qdepth_down
);
1192 if (lscsi_status
!= SS_CHECK_CONDITION
)
1195 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1196 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1199 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1202 * If RISC reports underrun and target does not report
1203 * it then we must have a lost frame, so tell upper
1204 * layer to retry it by reporting a bus busy.
1206 if (!(scsi_status
& SS_RESIDUAL_UNDER
)) {
1207 DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
1208 "frame(s) detected (%x of %x bytes)..."
1209 "retrying command.\n",
1210 vha
->host_no
, cp
->device
->channel
,
1211 cp
->device
->id
, cp
->device
->lun
, resid
,
1214 cp
->result
= DID_BUS_BUSY
<< 16;
1218 /* Handle mid-layer underflow */
1219 if ((unsigned)(scsi_bufflen(cp
) - resid
) <
1221 qla_printk(KERN_INFO
, ha
,
1222 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1223 "detected (%x of %x bytes)...returning "
1224 "error status.\n", vha
->host_no
,
1225 cp
->device
->channel
, cp
->device
->id
,
1226 cp
->device
->lun
, resid
,
1229 cp
->result
= DID_ERROR
<< 16;
1233 /* Everybody online, looking good... */
1234 cp
->result
= DID_OK
<< 16;
1238 case CS_DATA_OVERRUN
:
1239 DEBUG2(printk(KERN_INFO
1240 "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
1241 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
, comp_status
,
1243 DEBUG2(printk(KERN_INFO
1244 "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1245 cp
->cmnd
[0], cp
->cmnd
[1], cp
->cmnd
[2], cp
->cmnd
[3],
1246 cp
->cmnd
[4], cp
->cmnd
[5]));
1247 DEBUG2(printk(KERN_INFO
1248 "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
1250 cp
->serial_number
, scsi_bufflen(cp
), resid_len
));
1252 cp
->result
= DID_ERROR
<< 16;
1255 case CS_PORT_LOGGED_OUT
:
1256 case CS_PORT_CONFIG_CHG
:
1259 case CS_PORT_UNAVAILABLE
:
1261 * If the port is in Target Down state, return all IOs for this
1262 * Target with DID_NO_CONNECT ELSE Queue the IOs in the
1265 DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
1266 "pid=%ld, compl status=0x%x, port state=0x%x\n",
1267 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
,
1268 cp
->serial_number
, comp_status
,
1269 atomic_read(&fcport
->state
)));
1272 * We are going to have the fc class block the rport
1273 * while we try to recover so instruct the mid layer
1274 * to requeue until the class decides how to handle this.
1276 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1277 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1278 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1282 DEBUG2(printk(KERN_INFO
1283 "scsi(%ld): RESET status detected 0x%x-0x%x.\n",
1284 vha
->host_no
, comp_status
, scsi_status
));
1286 cp
->result
= DID_RESET
<< 16;
1291 * hv2.19.12 - DID_ABORT does not retry the request if we
1292 * aborted this request then abort otherwise it must be a
1295 DEBUG2(printk(KERN_INFO
1296 "scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
1297 vha
->host_no
, comp_status
, scsi_status
));
1299 cp
->result
= DID_RESET
<< 16;
1304 * We are going to have the fc class block the rport
1305 * while we try to recover so instruct the mid layer
1306 * to requeue until the class decides how to handle this.
1308 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1310 if (IS_FWI2_CAPABLE(ha
)) {
1311 DEBUG2(printk(KERN_INFO
1312 "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
1313 "0x%x-0x%x\n", vha
->host_no
, cp
->device
->channel
,
1314 cp
->device
->id
, cp
->device
->lun
, comp_status
,
1318 DEBUG2(printk(KERN_INFO
1319 "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
1320 "sflags=%x.\n", vha
->host_no
, cp
->device
->channel
,
1321 cp
->device
->id
, cp
->device
->lun
, comp_status
, scsi_status
,
1322 le16_to_cpu(sts
->status_flags
)));
1324 /* Check to see if logout occurred. */
1325 if ((le16_to_cpu(sts
->status_flags
) & SF_LOGOUT_SENT
))
1326 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1330 DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
1331 "0x%x-0x%x.\n", vha
->host_no
, comp_status
, scsi_status
));
1332 qla_printk(KERN_INFO
, ha
,
1333 "Unknown status detected 0x%x-0x%x.\n",
1334 comp_status
, scsi_status
);
1336 cp
->result
= DID_ERROR
<< 16;
1340 /* Place command on done queue. */
1341 if (rsp
->status_srb
== NULL
)
1342 qla2x00_sp_compl(ha
, sp
);
1346 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1347 * @ha: SCSI driver HA context
1348 * @pkt: Entry pointer
1350 * Extended sense data.
1353 qla2x00_status_cont_entry(struct rsp_que
*rsp
, sts_cont_entry_t
*pkt
)
1355 uint8_t sense_sz
= 0;
1356 struct qla_hw_data
*ha
= rsp
->hw
;
1357 srb_t
*sp
= rsp
->status_srb
;
1358 struct scsi_cmnd
*cp
;
1360 if (sp
!= NULL
&& sp
->request_sense_length
!= 0) {
1363 DEBUG2(printk("%s(): Cmd already returned back to OS "
1364 "sp=%p.\n", __func__
, sp
));
1365 qla_printk(KERN_INFO
, ha
,
1366 "cmd is NULL: already returned to OS (sp=%p)\n",
1369 rsp
->status_srb
= NULL
;
1373 if (sp
->request_sense_length
> sizeof(pkt
->data
)) {
1374 sense_sz
= sizeof(pkt
->data
);
1376 sense_sz
= sp
->request_sense_length
;
1379 /* Move sense data. */
1380 if (IS_FWI2_CAPABLE(ha
))
1381 host_to_fcp_swap(pkt
->data
, sizeof(pkt
->data
));
1382 memcpy(sp
->request_sense_ptr
, pkt
->data
, sense_sz
);
1383 DEBUG5(qla2x00_dump_buffer(sp
->request_sense_ptr
, sense_sz
));
1385 sp
->request_sense_ptr
+= sense_sz
;
1386 sp
->request_sense_length
-= sense_sz
;
1388 /* Place command on done queue. */
1389 if (sp
->request_sense_length
== 0) {
1390 rsp
->status_srb
= NULL
;
1391 qla2x00_sp_compl(ha
, sp
);
1397 * qla2x00_error_entry() - Process an error entry.
1398 * @ha: SCSI driver HA context
1399 * @pkt: Entry pointer
1402 qla2x00_error_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, sts_entry_t
*pkt
)
1405 struct qla_hw_data
*ha
= vha
->hw
;
1406 uint32_t handle
= LSW(pkt
->handle
);
1407 uint16_t que
= MSW(pkt
->handle
);
1408 struct req_que
*req
= ha
->req_q_map
[que
];
1409 #if defined(QL_DEBUG_LEVEL_2)
1410 if (pkt
->entry_status
& RF_INV_E_ORDER
)
1411 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Order\n", __func__
);
1412 else if (pkt
->entry_status
& RF_INV_E_COUNT
)
1413 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Count\n", __func__
);
1414 else if (pkt
->entry_status
& RF_INV_E_PARAM
)
1415 qla_printk(KERN_ERR
, ha
,
1416 "%s: Invalid Entry Parameter\n", __func__
);
1417 else if (pkt
->entry_status
& RF_INV_E_TYPE
)
1418 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Type\n", __func__
);
1419 else if (pkt
->entry_status
& RF_BUSY
)
1420 qla_printk(KERN_ERR
, ha
, "%s: Busy\n", __func__
);
1422 qla_printk(KERN_ERR
, ha
, "%s: UNKNOWN flag error\n", __func__
);
1425 /* Validate handle. */
1426 if (handle
< MAX_OUTSTANDING_COMMANDS
)
1427 sp
= req
->outstanding_cmds
[handle
];
1432 /* Free outstanding command slot. */
1433 req
->outstanding_cmds
[handle
] = NULL
;
1435 /* Bad payload or header */
1436 if (pkt
->entry_status
&
1437 (RF_INV_E_ORDER
| RF_INV_E_COUNT
|
1438 RF_INV_E_PARAM
| RF_INV_E_TYPE
)) {
1439 sp
->cmd
->result
= DID_ERROR
<< 16;
1440 } else if (pkt
->entry_status
& RF_BUSY
) {
1441 sp
->cmd
->result
= DID_BUS_BUSY
<< 16;
1443 sp
->cmd
->result
= DID_ERROR
<< 16;
1445 qla2x00_sp_compl(ha
, sp
);
1447 } else if (pkt
->entry_type
== COMMAND_A64_TYPE
|| pkt
->entry_type
==
1448 COMMAND_TYPE
|| pkt
->entry_type
== COMMAND_TYPE_7
) {
1449 DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
1451 qla_printk(KERN_WARNING
, ha
,
1452 "Error entry - invalid handle\n");
1454 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1455 qla2xxx_wake_dpc(vha
);
1460 * qla24xx_mbx_completion() - Process mailbox command completions.
1461 * @ha: SCSI driver HA context
1462 * @mb0: Mailbox0 register
1465 qla24xx_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
1468 uint16_t __iomem
*wptr
;
1469 struct qla_hw_data
*ha
= vha
->hw
;
1470 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1472 /* Load return mailbox registers. */
1473 ha
->flags
.mbox_int
= 1;
1474 ha
->mailbox_out
[0] = mb0
;
1475 wptr
= (uint16_t __iomem
*)®
->mailbox1
;
1477 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
1478 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
1483 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
1484 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
1486 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
1487 __func__
, vha
->host_no
));
1492 * qla24xx_process_response_queue() - Process response queue entries.
1493 * @ha: SCSI driver HA context
1495 void qla24xx_process_response_queue(struct scsi_qla_host
*vha
,
1496 struct rsp_que
*rsp
)
1498 struct sts_entry_24xx
*pkt
;
1500 if (!vha
->flags
.online
)
1503 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1504 pkt
= (struct sts_entry_24xx
*)rsp
->ring_ptr
;
1507 if (rsp
->ring_index
== rsp
->length
) {
1508 rsp
->ring_index
= 0;
1509 rsp
->ring_ptr
= rsp
->ring
;
1514 if (pkt
->entry_status
!= 0) {
1515 DEBUG3(printk(KERN_INFO
1516 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1518 qla2x00_error_entry(vha
, rsp
, (sts_entry_t
*) pkt
);
1519 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1524 switch (pkt
->entry_type
) {
1526 qla2x00_status_entry(vha
, rsp
, pkt
);
1528 case STATUS_CONT_TYPE
:
1529 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1531 case VP_RPT_ID_IOCB_TYPE
:
1532 qla24xx_report_id_acquisition(vha
,
1533 (struct vp_rpt_id_entry_24xx
*)pkt
);
1536 /* Type Not Supported. */
1537 DEBUG4(printk(KERN_WARNING
1538 "scsi(%ld): Received unknown response pkt type %x "
1539 "entry status=%x.\n",
1540 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1543 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1547 /* Adjust ring index */
1548 WRT_REG_DWORD(rsp
->rsp_q_out
, rsp
->ring_index
);
1552 qla2xxx_check_risc_status(scsi_qla_host_t
*vha
)
1556 struct qla_hw_data
*ha
= vha
->hw
;
1557 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1559 if (!IS_QLA25XX(ha
) && !IS_QLA81XX(ha
))
1563 WRT_REG_DWORD(®
->iobase_addr
, 0x7C00);
1564 RD_REG_DWORD(®
->iobase_addr
);
1565 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1566 for (cnt
= 10000; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1567 rval
== QLA_SUCCESS
; cnt
--) {
1569 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1572 rval
= QLA_FUNCTION_TIMEOUT
;
1574 if (rval
== QLA_SUCCESS
)
1577 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1578 for (cnt
= 100; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1579 rval
== QLA_SUCCESS
; cnt
--) {
1581 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1584 rval
= QLA_FUNCTION_TIMEOUT
;
1586 if (rval
!= QLA_SUCCESS
)
1590 if (RD_REG_DWORD(®
->iobase_c8
) & BIT_3
)
1591 qla_printk(KERN_INFO
, ha
, "Additional code -- 0x55AA.\n");
1594 WRT_REG_DWORD(®
->iobase_window
, 0x0000);
1595 RD_REG_DWORD(®
->iobase_window
);
1599 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
1601 * @dev_id: SCSI driver HA context
1603 * Called by system whenever the host adapter generates an interrupt.
1605 * Returns handled flag.
1608 qla24xx_intr_handler(int irq
, void *dev_id
)
1610 scsi_qla_host_t
*vha
;
1611 struct qla_hw_data
*ha
;
1612 struct device_reg_24xx __iomem
*reg
;
1618 struct rsp_que
*rsp
;
1620 rsp
= (struct rsp_que
*) dev_id
;
1623 "%s(): NULL response queue pointer\n", __func__
);
1628 reg
= &ha
->iobase
->isp24
;
1631 spin_lock(&ha
->hardware_lock
);
1632 vha
= pci_get_drvdata(ha
->pdev
);
1633 for (iter
= 50; iter
--; ) {
1634 stat
= RD_REG_DWORD(®
->host_status
);
1635 if (stat
& HSRX_RISC_PAUSED
) {
1636 if (pci_channel_offline(ha
->pdev
))
1639 hccr
= RD_REG_DWORD(®
->hccr
);
1641 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
1642 "Dumping firmware!\n", hccr
);
1644 qla2xxx_check_risc_status(vha
);
1646 ha
->isp_ops
->fw_dump(vha
, 1);
1647 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1649 } else if ((stat
& HSRX_RISC_INT
) == 0)
1652 switch (stat
& 0xff) {
1657 qla24xx_mbx_completion(vha
, MSW(stat
));
1658 status
|= MBX_INTERRUPT
;
1663 mb
[1] = RD_REG_WORD(®
->mailbox1
);
1664 mb
[2] = RD_REG_WORD(®
->mailbox2
);
1665 mb
[3] = RD_REG_WORD(®
->mailbox3
);
1666 qla2x00_async_event(vha
, rsp
, mb
);
1670 qla24xx_process_response_queue(vha
, rsp
);
1673 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
1675 vha
->host_no
, stat
& 0xff));
1678 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1679 RD_REG_DWORD_RELAXED(®
->hccr
);
1681 spin_unlock(&ha
->hardware_lock
);
1683 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
1684 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
1685 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
1686 complete(&ha
->mbx_intr_comp
);
1693 qla24xx_msix_rsp_q(int irq
, void *dev_id
)
1695 struct qla_hw_data
*ha
;
1696 struct rsp_que
*rsp
;
1697 struct device_reg_24xx __iomem
*reg
;
1698 struct scsi_qla_host
*vha
;
1700 rsp
= (struct rsp_que
*) dev_id
;
1703 "%s(): NULL response queue pointer\n", __func__
);
1707 reg
= &ha
->iobase
->isp24
;
1709 spin_lock_irq(&ha
->hardware_lock
);
1711 vha
= qla25xx_get_host(rsp
);
1712 qla24xx_process_response_queue(vha
, rsp
);
1713 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1715 spin_unlock_irq(&ha
->hardware_lock
);
1721 qla25xx_msix_rsp_q(int irq
, void *dev_id
)
1723 struct qla_hw_data
*ha
;
1724 struct rsp_que
*rsp
;
1726 rsp
= (struct rsp_que
*) dev_id
;
1729 "%s(): NULL response queue pointer\n", __func__
);
1734 queue_work_on((int) (rsp
->id
- 1), ha
->wq
, &rsp
->q_work
);
1740 qla24xx_msix_default(int irq
, void *dev_id
)
1742 scsi_qla_host_t
*vha
;
1743 struct qla_hw_data
*ha
;
1744 struct rsp_que
*rsp
;
1745 struct device_reg_24xx __iomem
*reg
;
1751 rsp
= (struct rsp_que
*) dev_id
;
1754 "%s(): NULL response queue pointer\n", __func__
));
1758 reg
= &ha
->iobase
->isp24
;
1761 spin_lock_irq(&ha
->hardware_lock
);
1762 vha
= pci_get_drvdata(ha
->pdev
);
1764 stat
= RD_REG_DWORD(®
->host_status
);
1765 if (stat
& HSRX_RISC_PAUSED
) {
1766 if (pci_channel_offline(ha
->pdev
))
1769 hccr
= RD_REG_DWORD(®
->hccr
);
1771 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
1772 "Dumping firmware!\n", hccr
);
1774 qla2xxx_check_risc_status(vha
);
1776 ha
->isp_ops
->fw_dump(vha
, 1);
1777 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1779 } else if ((stat
& HSRX_RISC_INT
) == 0)
1782 switch (stat
& 0xff) {
1787 qla24xx_mbx_completion(vha
, MSW(stat
));
1788 status
|= MBX_INTERRUPT
;
1793 mb
[1] = RD_REG_WORD(®
->mailbox1
);
1794 mb
[2] = RD_REG_WORD(®
->mailbox2
);
1795 mb
[3] = RD_REG_WORD(®
->mailbox3
);
1796 qla2x00_async_event(vha
, rsp
, mb
);
1800 qla24xx_process_response_queue(vha
, rsp
);
1803 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
1805 vha
->host_no
, stat
& 0xff));
1808 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1810 spin_unlock_irq(&ha
->hardware_lock
);
1812 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
1813 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
1814 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
1815 complete(&ha
->mbx_intr_comp
);
1821 /* Interrupt handling helpers. */
1823 struct qla_init_msix_entry
{
1825 irq_handler_t handler
;
1828 static struct qla_init_msix_entry msix_entries
[3] = {
1829 { "qla2xxx (default)", qla24xx_msix_default
},
1830 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q
},
1831 { "qla2xxx (multiq)", qla25xx_msix_rsp_q
},
1835 qla24xx_disable_msix(struct qla_hw_data
*ha
)
1838 struct qla_msix_entry
*qentry
;
1840 for (i
= 0; i
< ha
->msix_count
; i
++) {
1841 qentry
= &ha
->msix_entries
[i
];
1842 if (qentry
->have_irq
)
1843 free_irq(qentry
->vector
, qentry
->rsp
);
1845 pci_disable_msix(ha
->pdev
);
1846 kfree(ha
->msix_entries
);
1847 ha
->msix_entries
= NULL
;
1848 ha
->flags
.msix_enabled
= 0;
1852 qla24xx_enable_msix(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
1854 #define MIN_MSIX_COUNT 2
1856 struct msix_entry
*entries
;
1857 struct qla_msix_entry
*qentry
;
1859 entries
= kzalloc(sizeof(struct msix_entry
) * ha
->msix_count
,
1864 for (i
= 0; i
< ha
->msix_count
; i
++)
1865 entries
[i
].entry
= i
;
1867 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
1869 if (ret
< MIN_MSIX_COUNT
)
1872 qla_printk(KERN_WARNING
, ha
,
1873 "MSI-X: Failed to enable support -- %d/%d\n"
1874 " Retry with %d vectors\n", ha
->msix_count
, ret
, ret
);
1875 ha
->msix_count
= ret
;
1876 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
1879 qla_printk(KERN_WARNING
, ha
, "MSI-X: Failed to enable"
1880 " support, giving up -- %d/%d\n",
1881 ha
->msix_count
, ret
);
1884 ha
->max_rsp_queues
= ha
->msix_count
- 1;
1886 ha
->msix_entries
= kzalloc(sizeof(struct qla_msix_entry
) *
1887 ha
->msix_count
, GFP_KERNEL
);
1888 if (!ha
->msix_entries
) {
1892 ha
->flags
.msix_enabled
= 1;
1894 for (i
= 0; i
< ha
->msix_count
; i
++) {
1895 qentry
= &ha
->msix_entries
[i
];
1896 qentry
->vector
= entries
[i
].vector
;
1897 qentry
->entry
= entries
[i
].entry
;
1898 qentry
->have_irq
= 0;
1902 /* Enable MSI-X vectors for the base queue */
1903 for (i
= 0; i
< 2; i
++) {
1904 qentry
= &ha
->msix_entries
[i
];
1905 ret
= request_irq(qentry
->vector
, msix_entries
[i
].handler
,
1906 0, msix_entries
[i
].name
, rsp
);
1908 qla_printk(KERN_WARNING
, ha
,
1909 "MSI-X: Unable to register handler -- %x/%d.\n",
1910 qentry
->vector
, ret
);
1911 qla24xx_disable_msix(ha
);
1915 qentry
->have_irq
= 1;
1920 /* Enable MSI-X vector for response queue update for queue 0 */
1921 if (ha
->mqiobase
&& (ha
->max_rsp_queues
> 1 || ha
->max_req_queues
> 1))
1930 qla2x00_request_irqs(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
1933 device_reg_t __iomem
*reg
= ha
->iobase
;
1935 /* If possible, enable MSI-X. */
1936 if (!IS_QLA2432(ha
) && !IS_QLA2532(ha
) &&
1937 !IS_QLA8432(ha
) && !IS_QLA8001(ha
))
1940 if (IS_QLA2432(ha
) && (ha
->pdev
->revision
< QLA_MSIX_CHIP_REV_24XX
||
1941 !QLA_MSIX_FW_MODE_1(ha
->fw_attributes
))) {
1942 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1943 "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
1944 ha
->pdev
->revision
, ha
->fw_attributes
));
1949 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_HP
&&
1950 (ha
->pdev
->subsystem_device
== 0x7040 ||
1951 ha
->pdev
->subsystem_device
== 0x7041 ||
1952 ha
->pdev
->subsystem_device
== 0x1705)) {
1953 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1954 "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n",
1955 ha
->pdev
->subsystem_vendor
,
1956 ha
->pdev
->subsystem_device
));
1961 ret
= qla24xx_enable_msix(ha
, rsp
);
1963 DEBUG2(qla_printk(KERN_INFO
, ha
,
1964 "MSI-X: Enabled (0x%X, 0x%X).\n", ha
->chip_revision
,
1965 ha
->fw_attributes
));
1966 goto clear_risc_ints
;
1968 qla_printk(KERN_WARNING
, ha
,
1969 "MSI-X: Falling back-to INTa mode -- %d.\n", ret
);
1972 if (!IS_QLA24XX(ha
) && !IS_QLA2532(ha
) && !IS_QLA8432(ha
) &&
1976 ret
= pci_enable_msi(ha
->pdev
);
1978 DEBUG2(qla_printk(KERN_INFO
, ha
, "MSI: Enabled.\n"));
1979 ha
->flags
.msi_enabled
= 1;
1983 ret
= request_irq(ha
->pdev
->irq
, ha
->isp_ops
->intr_handler
,
1984 IRQF_SHARED
, QLA2XXX_DRIVER_NAME
, rsp
);
1986 qla_printk(KERN_WARNING
, ha
,
1987 "Failed to reserve interrupt %d already in use.\n",
1991 ha
->flags
.inta_enabled
= 1;
1995 * FIXME: Noted that 8014s were being dropped during NK testing.
1996 * Timing deltas during MSI-X/INTa transitions?
2000 spin_lock_irq(&ha
->hardware_lock
);
2001 if (IS_FWI2_CAPABLE(ha
)) {
2002 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
2003 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
2005 WRT_REG_WORD(®
->isp
.semaphore
, 0);
2006 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
2007 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
2009 spin_unlock_irq(&ha
->hardware_lock
);
2016 qla2x00_free_irqs(scsi_qla_host_t
*vha
)
2018 struct qla_hw_data
*ha
= vha
->hw
;
2019 struct rsp_que
*rsp
= ha
->rsp_q_map
[0];
2021 if (ha
->flags
.msix_enabled
)
2022 qla24xx_disable_msix(ha
);
2023 else if (ha
->flags
.inta_enabled
) {
2024 free_irq(ha
->pdev
->irq
, rsp
);
2025 pci_disable_msi(ha
->pdev
);
2030 int qla25xx_request_irq(struct rsp_que
*rsp
)
2032 struct qla_hw_data
*ha
= rsp
->hw
;
2033 struct qla_init_msix_entry
*intr
= &msix_entries
[2];
2034 struct qla_msix_entry
*msix
= rsp
->msix
;
2037 ret
= request_irq(msix
->vector
, intr
->handler
, 0, intr
->name
, rsp
);
2039 qla_printk(KERN_WARNING
, ha
,
2040 "MSI-X: Unable to register handler -- %x/%d.\n",
2049 struct scsi_qla_host
*
2050 qla25xx_get_host(struct rsp_que
*rsp
)
2053 struct qla_hw_data
*ha
= rsp
->hw
;
2054 struct scsi_qla_host
*vha
= NULL
;
2055 struct sts_entry_24xx
*pkt
;
2056 struct req_que
*req
;
2060 pkt
= (struct sts_entry_24xx
*) rsp
->ring_ptr
;
2061 que
= MSW(pkt
->handle
);
2062 handle
= (uint32_t) LSW(pkt
->handle
);
2063 req
= ha
->req_q_map
[que
];
2064 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
2065 sp
= req
->outstanding_cmds
[handle
];
2067 return sp
->fcport
->vha
;
2072 vha
= pci_get_drvdata(ha
->pdev
);