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
;
768 if (!ql2xqfulltracking
)
774 if (req
->max_q_depth
<= sdev
->queue_depth
)
777 if (sdev
->ordered_tags
)
778 scsi_adjust_queue_depth(sdev
, MSG_ORDERED_TAG
,
779 sdev
->queue_depth
+ 1);
781 scsi_adjust_queue_depth(sdev
, MSG_SIMPLE_TAG
,
782 sdev
->queue_depth
+ 1);
784 fcport
->last_ramp_up
= jiffies
;
786 DEBUG2(qla_printk(KERN_INFO
, ha
,
787 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
788 fcport
->vha
->host_no
, sdev
->channel
, sdev
->id
, sdev
->lun
,
793 qla2x00_adjust_sdev_qdepth_down(struct scsi_device
*sdev
, void *data
)
795 fc_port_t
*fcport
= data
;
797 if (!scsi_track_queue_full(sdev
, sdev
->queue_depth
- 1))
800 DEBUG2(qla_printk(KERN_INFO
, fcport
->vha
->hw
,
801 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
802 fcport
->vha
->host_no
, sdev
->channel
, sdev
->id
, sdev
->lun
,
807 qla2x00_ramp_up_queue_depth(scsi_qla_host_t
*vha
, struct req_que
*req
,
811 struct scsi_device
*sdev
;
813 if (!ql2xqfulltracking
)
816 sdev
= sp
->cmd
->device
;
817 if (sdev
->queue_depth
>= req
->max_q_depth
)
821 if (time_before(jiffies
,
822 fcport
->last_ramp_up
+ ql2xqfullrampup
* HZ
))
824 if (time_before(jiffies
,
825 fcport
->last_queue_full
+ ql2xqfullrampup
* HZ
))
828 starget_for_each_device(sdev
->sdev_target
, fcport
,
829 qla2x00_adjust_sdev_qdepth_up
);
833 * qla2x00_process_completed_request() - Process a Fast Post response.
834 * @ha: SCSI driver HA context
838 qla2x00_process_completed_request(struct scsi_qla_host
*vha
,
839 struct req_que
*req
, uint32_t index
)
842 struct qla_hw_data
*ha
= vha
->hw
;
844 /* Validate handle. */
845 if (index
>= MAX_OUTSTANDING_COMMANDS
) {
846 DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
847 vha
->host_no
, index
));
848 qla_printk(KERN_WARNING
, ha
,
849 "Invalid SCSI completion handle %d.\n", index
);
851 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
855 sp
= req
->outstanding_cmds
[index
];
857 /* Free outstanding command slot. */
858 req
->outstanding_cmds
[index
] = NULL
;
860 /* Save ISP completion status */
861 sp
->cmd
->result
= DID_OK
<< 16;
863 qla2x00_ramp_up_queue_depth(vha
, req
, sp
);
864 qla2x00_sp_compl(ha
, sp
);
866 DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
867 " handle(%d)\n", vha
->host_no
, req
->id
, index
));
868 qla_printk(KERN_WARNING
, ha
,
869 "Invalid ISP SCSI completion handle\n");
871 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
876 * qla2x00_process_response_queue() - Process response queue entries.
877 * @ha: SCSI driver HA context
880 qla2x00_process_response_queue(struct rsp_que
*rsp
)
882 struct scsi_qla_host
*vha
;
883 struct qla_hw_data
*ha
= rsp
->hw
;
884 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
889 vha
= pci_get_drvdata(ha
->pdev
);
891 if (!vha
->flags
.online
)
894 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
895 pkt
= (sts_entry_t
*)rsp
->ring_ptr
;
898 if (rsp
->ring_index
== rsp
->length
) {
900 rsp
->ring_ptr
= rsp
->ring
;
905 if (pkt
->entry_status
!= 0) {
906 DEBUG3(printk(KERN_INFO
907 "scsi(%ld): Process error entry.\n", vha
->host_no
));
909 qla2x00_error_entry(vha
, rsp
, pkt
);
910 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
915 switch (pkt
->entry_type
) {
917 qla2x00_status_entry(vha
, rsp
, pkt
);
920 handle_cnt
= ((sts21_entry_t
*)pkt
)->handle_count
;
921 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
922 qla2x00_process_completed_request(vha
, rsp
->req
,
923 ((sts21_entry_t
*)pkt
)->handle
[cnt
]);
927 handle_cnt
= ((sts22_entry_t
*)pkt
)->handle_count
;
928 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
929 qla2x00_process_completed_request(vha
, rsp
->req
,
930 ((sts22_entry_t
*)pkt
)->handle
[cnt
]);
933 case STATUS_CONT_TYPE
:
934 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
937 /* Type Not Supported. */
938 DEBUG4(printk(KERN_WARNING
939 "scsi(%ld): Received unknown response pkt type %x "
940 "entry status=%x.\n",
941 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
944 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
948 /* Adjust ring index */
949 WRT_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
), rsp
->ring_index
);
953 qla2x00_handle_sense(srb_t
*sp
, uint8_t *sense_data
, uint32_t sense_len
,
956 struct scsi_cmnd
*cp
= sp
->cmd
;
958 if (sense_len
>= SCSI_SENSE_BUFFERSIZE
)
959 sense_len
= SCSI_SENSE_BUFFERSIZE
;
961 sp
->request_sense_length
= sense_len
;
962 sp
->request_sense_ptr
= cp
->sense_buffer
;
963 if (sp
->request_sense_length
> 32)
966 memcpy(cp
->sense_buffer
, sense_data
, sense_len
);
968 sp
->request_sense_ptr
+= sense_len
;
969 sp
->request_sense_length
-= sense_len
;
970 if (sp
->request_sense_length
!= 0)
971 rsp
->status_srb
= sp
;
973 DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) "
974 "cmd=%p pid=%ld\n", __func__
, sp
->fcport
->vha
->host_no
,
975 cp
->device
->channel
, cp
->device
->id
, cp
->device
->lun
, cp
,
978 DEBUG5(qla2x00_dump_buffer(cp
->sense_buffer
, sense_len
));
982 * qla2x00_status_entry() - Process a Status IOCB entry.
983 * @ha: SCSI driver HA context
984 * @pkt: Entry pointer
987 qla2x00_status_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, void *pkt
)
991 struct scsi_cmnd
*cp
;
993 struct sts_entry_24xx
*sts24
;
994 uint16_t comp_status
;
995 uint16_t scsi_status
;
996 uint8_t lscsi_status
;
998 uint32_t sense_len
, rsp_info_len
, resid_len
, fw_resid_len
;
999 uint8_t *rsp_info
, *sense_data
;
1000 struct qla_hw_data
*ha
= vha
->hw
;
1003 struct req_que
*req
;
1005 sts
= (sts_entry_t
*) pkt
;
1006 sts24
= (struct sts_entry_24xx
*) pkt
;
1007 if (IS_FWI2_CAPABLE(ha
)) {
1008 comp_status
= le16_to_cpu(sts24
->comp_status
);
1009 scsi_status
= le16_to_cpu(sts24
->scsi_status
) & SS_MASK
;
1011 comp_status
= le16_to_cpu(sts
->comp_status
);
1012 scsi_status
= le16_to_cpu(sts
->scsi_status
) & SS_MASK
;
1014 handle
= (uint32_t) LSW(sts
->handle
);
1015 que
= MSW(sts
->handle
);
1016 req
= ha
->req_q_map
[que
];
1017 /* Fast path completion. */
1018 if (comp_status
== CS_COMPLETE
&& scsi_status
== 0) {
1019 qla2x00_process_completed_request(vha
, req
, handle
);
1024 /* Validate handle. */
1025 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
1026 sp
= req
->outstanding_cmds
[handle
];
1027 req
->outstanding_cmds
[handle
] = NULL
;
1032 DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
1034 qla_printk(KERN_WARNING
, ha
, "Status Entry invalid handle.\n");
1036 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1037 qla2xxx_wake_dpc(vha
);
1042 DEBUG2(printk("scsi(%ld): Command already returned back to OS "
1043 "pkt->handle=%d sp=%p.\n", vha
->host_no
, handle
, sp
));
1044 qla_printk(KERN_WARNING
, ha
,
1045 "Command is NULL: already returned to OS (sp=%p)\n", sp
);
1050 lscsi_status
= scsi_status
& STATUS_MASK
;
1052 fcport
= sp
->fcport
;
1054 sense_len
= rsp_info_len
= resid_len
= fw_resid_len
= 0;
1055 if (IS_FWI2_CAPABLE(ha
)) {
1056 sense_len
= le32_to_cpu(sts24
->sense_len
);
1057 rsp_info_len
= le32_to_cpu(sts24
->rsp_data_len
);
1058 resid_len
= le32_to_cpu(sts24
->rsp_residual_count
);
1059 fw_resid_len
= le32_to_cpu(sts24
->residual_len
);
1060 rsp_info
= sts24
->data
;
1061 sense_data
= sts24
->data
;
1062 host_to_fcp_swap(sts24
->data
, sizeof(sts24
->data
));
1064 sense_len
= le16_to_cpu(sts
->req_sense_length
);
1065 rsp_info_len
= le16_to_cpu(sts
->rsp_info_len
);
1066 resid_len
= le32_to_cpu(sts
->residual_length
);
1067 rsp_info
= sts
->rsp_info
;
1068 sense_data
= sts
->req_sense_data
;
1071 /* Check for any FCP transport errors. */
1072 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
) {
1073 /* Sense data lies beyond any FCP RESPONSE data. */
1074 if (IS_FWI2_CAPABLE(ha
))
1075 sense_data
+= rsp_info_len
;
1076 if (rsp_info_len
> 3 && rsp_info
[3]) {
1077 DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
1078 "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
1079 "retrying command\n", vha
->host_no
,
1080 cp
->device
->channel
, cp
->device
->id
,
1081 cp
->device
->lun
, rsp_info_len
, rsp_info
[0],
1082 rsp_info
[1], rsp_info
[2], rsp_info
[3], rsp_info
[4],
1083 rsp_info
[5], rsp_info
[6], rsp_info
[7]));
1085 cp
->result
= DID_BUS_BUSY
<< 16;
1086 qla2x00_sp_compl(ha
, sp
);
1091 /* Check for overrun. */
1092 if (IS_FWI2_CAPABLE(ha
) && comp_status
== CS_COMPLETE
&&
1093 scsi_status
& SS_RESIDUAL_OVER
)
1094 comp_status
= CS_DATA_OVERRUN
;
1097 * Based on Host and scsi status generate status code for Linux
1099 switch (comp_status
) {
1102 if (scsi_status
== 0) {
1103 cp
->result
= DID_OK
<< 16;
1106 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
)) {
1108 scsi_set_resid(cp
, resid
);
1110 if (!lscsi_status
&&
1111 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1113 qla_printk(KERN_INFO
, ha
,
1114 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1115 "detected (%x of %x bytes)...returning "
1116 "error status.\n", vha
->host_no
,
1117 cp
->device
->channel
, cp
->device
->id
,
1118 cp
->device
->lun
, resid
,
1121 cp
->result
= DID_ERROR
<< 16;
1125 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1127 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1128 DEBUG2(printk(KERN_INFO
1129 "scsi(%ld): QUEUE FULL status detected "
1130 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1133 /* Adjust queue depth for all luns on the port. */
1134 if (!ql2xqfulltracking
)
1136 fcport
->last_queue_full
= jiffies
;
1137 starget_for_each_device(cp
->device
->sdev_target
,
1138 fcport
, qla2x00_adjust_sdev_qdepth_down
);
1141 if (lscsi_status
!= SS_CHECK_CONDITION
)
1144 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1145 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1148 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1151 case CS_DATA_UNDERRUN
:
1153 /* Use F/W calculated residual length. */
1154 if (IS_FWI2_CAPABLE(ha
)) {
1155 if (!(scsi_status
& SS_RESIDUAL_UNDER
)) {
1157 } else if (resid
!= fw_resid_len
) {
1158 scsi_status
&= ~SS_RESIDUAL_UNDER
;
1161 resid
= fw_resid_len
;
1164 if (scsi_status
& SS_RESIDUAL_UNDER
) {
1165 scsi_set_resid(cp
, resid
);
1167 DEBUG2(printk(KERN_INFO
1168 "scsi(%ld:%d:%d) UNDERRUN status detected "
1169 "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x "
1170 "os_underflow=0x%x\n", vha
->host_no
,
1171 cp
->device
->id
, cp
->device
->lun
, comp_status
,
1172 scsi_status
, resid_len
, resid
, cp
->cmnd
[0],
1178 * Check to see if SCSI Status is non zero. If so report SCSI
1181 if (lscsi_status
!= 0) {
1182 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1184 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1185 DEBUG2(printk(KERN_INFO
1186 "scsi(%ld): QUEUE FULL status detected "
1187 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1191 * Adjust queue depth for all luns on the
1194 if (!ql2xqfulltracking
)
1196 fcport
->last_queue_full
= jiffies
;
1197 starget_for_each_device(
1198 cp
->device
->sdev_target
, fcport
,
1199 qla2x00_adjust_sdev_qdepth_down
);
1202 if (lscsi_status
!= SS_CHECK_CONDITION
)
1205 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1206 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1209 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1212 * If RISC reports underrun and target does not report
1213 * it then we must have a lost frame, so tell upper
1214 * layer to retry it by reporting an error.
1216 if (!(scsi_status
& SS_RESIDUAL_UNDER
)) {
1217 DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
1218 "frame(s) detected (%x of %x bytes)..."
1219 "retrying command.\n",
1220 vha
->host_no
, cp
->device
->channel
,
1221 cp
->device
->id
, cp
->device
->lun
, resid
,
1224 cp
->result
= DID_ERROR
<< 16;
1228 /* Handle mid-layer underflow */
1229 if ((unsigned)(scsi_bufflen(cp
) - resid
) <
1231 qla_printk(KERN_INFO
, ha
,
1232 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1233 "detected (%x of %x bytes)...returning "
1234 "error status.\n", vha
->host_no
,
1235 cp
->device
->channel
, cp
->device
->id
,
1236 cp
->device
->lun
, resid
,
1239 cp
->result
= DID_ERROR
<< 16;
1243 /* Everybody online, looking good... */
1244 cp
->result
= DID_OK
<< 16;
1248 case CS_DATA_OVERRUN
:
1249 DEBUG2(printk(KERN_INFO
1250 "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
1251 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
, comp_status
,
1253 DEBUG2(printk(KERN_INFO
1254 "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1255 cp
->cmnd
[0], cp
->cmnd
[1], cp
->cmnd
[2], cp
->cmnd
[3],
1256 cp
->cmnd
[4], cp
->cmnd
[5]));
1257 DEBUG2(printk(KERN_INFO
1258 "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
1260 cp
->serial_number
, scsi_bufflen(cp
), resid_len
));
1262 cp
->result
= DID_ERROR
<< 16;
1265 case CS_PORT_LOGGED_OUT
:
1266 case CS_PORT_CONFIG_CHG
:
1269 case CS_PORT_UNAVAILABLE
:
1271 * If the port is in Target Down state, return all IOs for this
1272 * Target with DID_NO_CONNECT ELSE Queue the IOs in the
1275 DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
1276 "pid=%ld, compl status=0x%x, port state=0x%x\n",
1277 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
,
1278 cp
->serial_number
, comp_status
,
1279 atomic_read(&fcport
->state
)));
1282 * We are going to have the fc class block the rport
1283 * while we try to recover so instruct the mid layer
1284 * to requeue until the class decides how to handle this.
1286 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1287 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1288 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1292 DEBUG2(printk(KERN_INFO
1293 "scsi(%ld): RESET status detected 0x%x-0x%x.\n",
1294 vha
->host_no
, comp_status
, scsi_status
));
1296 cp
->result
= DID_RESET
<< 16;
1301 * hv2.19.12 - DID_ABORT does not retry the request if we
1302 * aborted this request then abort otherwise it must be a
1305 DEBUG2(printk(KERN_INFO
1306 "scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
1307 vha
->host_no
, comp_status
, scsi_status
));
1309 cp
->result
= DID_RESET
<< 16;
1314 * We are going to have the fc class block the rport
1315 * while we try to recover so instruct the mid layer
1316 * to requeue until the class decides how to handle this.
1318 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1320 if (IS_FWI2_CAPABLE(ha
)) {
1321 DEBUG2(printk(KERN_INFO
1322 "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
1323 "0x%x-0x%x\n", vha
->host_no
, cp
->device
->channel
,
1324 cp
->device
->id
, cp
->device
->lun
, comp_status
,
1328 DEBUG2(printk(KERN_INFO
1329 "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
1330 "sflags=%x.\n", vha
->host_no
, cp
->device
->channel
,
1331 cp
->device
->id
, cp
->device
->lun
, comp_status
, scsi_status
,
1332 le16_to_cpu(sts
->status_flags
)));
1334 /* Check to see if logout occurred. */
1335 if ((le16_to_cpu(sts
->status_flags
) & SF_LOGOUT_SENT
))
1336 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1340 DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
1341 "0x%x-0x%x.\n", vha
->host_no
, comp_status
, scsi_status
));
1342 qla_printk(KERN_INFO
, ha
,
1343 "Unknown status detected 0x%x-0x%x.\n",
1344 comp_status
, scsi_status
);
1346 cp
->result
= DID_ERROR
<< 16;
1350 /* Place command on done queue. */
1351 if (rsp
->status_srb
== NULL
)
1352 qla2x00_sp_compl(ha
, sp
);
1356 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1357 * @ha: SCSI driver HA context
1358 * @pkt: Entry pointer
1360 * Extended sense data.
1363 qla2x00_status_cont_entry(struct rsp_que
*rsp
, sts_cont_entry_t
*pkt
)
1365 uint8_t sense_sz
= 0;
1366 struct qla_hw_data
*ha
= rsp
->hw
;
1367 srb_t
*sp
= rsp
->status_srb
;
1368 struct scsi_cmnd
*cp
;
1370 if (sp
!= NULL
&& sp
->request_sense_length
!= 0) {
1373 DEBUG2(printk("%s(): Cmd already returned back to OS "
1374 "sp=%p.\n", __func__
, sp
));
1375 qla_printk(KERN_INFO
, ha
,
1376 "cmd is NULL: already returned to OS (sp=%p)\n",
1379 rsp
->status_srb
= NULL
;
1383 if (sp
->request_sense_length
> sizeof(pkt
->data
)) {
1384 sense_sz
= sizeof(pkt
->data
);
1386 sense_sz
= sp
->request_sense_length
;
1389 /* Move sense data. */
1390 if (IS_FWI2_CAPABLE(ha
))
1391 host_to_fcp_swap(pkt
->data
, sizeof(pkt
->data
));
1392 memcpy(sp
->request_sense_ptr
, pkt
->data
, sense_sz
);
1393 DEBUG5(qla2x00_dump_buffer(sp
->request_sense_ptr
, sense_sz
));
1395 sp
->request_sense_ptr
+= sense_sz
;
1396 sp
->request_sense_length
-= sense_sz
;
1398 /* Place command on done queue. */
1399 if (sp
->request_sense_length
== 0) {
1400 rsp
->status_srb
= NULL
;
1401 qla2x00_sp_compl(ha
, sp
);
1407 * qla2x00_error_entry() - Process an error entry.
1408 * @ha: SCSI driver HA context
1409 * @pkt: Entry pointer
1412 qla2x00_error_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, sts_entry_t
*pkt
)
1415 struct qla_hw_data
*ha
= vha
->hw
;
1416 uint32_t handle
= LSW(pkt
->handle
);
1417 uint16_t que
= MSW(pkt
->handle
);
1418 struct req_que
*req
= ha
->req_q_map
[que
];
1419 #if defined(QL_DEBUG_LEVEL_2)
1420 if (pkt
->entry_status
& RF_INV_E_ORDER
)
1421 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Order\n", __func__
);
1422 else if (pkt
->entry_status
& RF_INV_E_COUNT
)
1423 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Count\n", __func__
);
1424 else if (pkt
->entry_status
& RF_INV_E_PARAM
)
1425 qla_printk(KERN_ERR
, ha
,
1426 "%s: Invalid Entry Parameter\n", __func__
);
1427 else if (pkt
->entry_status
& RF_INV_E_TYPE
)
1428 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Type\n", __func__
);
1429 else if (pkt
->entry_status
& RF_BUSY
)
1430 qla_printk(KERN_ERR
, ha
, "%s: Busy\n", __func__
);
1432 qla_printk(KERN_ERR
, ha
, "%s: UNKNOWN flag error\n", __func__
);
1435 /* Validate handle. */
1436 if (handle
< MAX_OUTSTANDING_COMMANDS
)
1437 sp
= req
->outstanding_cmds
[handle
];
1442 /* Free outstanding command slot. */
1443 req
->outstanding_cmds
[handle
] = NULL
;
1445 /* Bad payload or header */
1446 if (pkt
->entry_status
&
1447 (RF_INV_E_ORDER
| RF_INV_E_COUNT
|
1448 RF_INV_E_PARAM
| RF_INV_E_TYPE
)) {
1449 sp
->cmd
->result
= DID_ERROR
<< 16;
1450 } else if (pkt
->entry_status
& RF_BUSY
) {
1451 sp
->cmd
->result
= DID_BUS_BUSY
<< 16;
1453 sp
->cmd
->result
= DID_ERROR
<< 16;
1455 qla2x00_sp_compl(ha
, sp
);
1457 } else if (pkt
->entry_type
== COMMAND_A64_TYPE
|| pkt
->entry_type
==
1458 COMMAND_TYPE
|| pkt
->entry_type
== COMMAND_TYPE_7
) {
1459 DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
1461 qla_printk(KERN_WARNING
, ha
,
1462 "Error entry - invalid handle\n");
1464 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1465 qla2xxx_wake_dpc(vha
);
1470 * qla24xx_mbx_completion() - Process mailbox command completions.
1471 * @ha: SCSI driver HA context
1472 * @mb0: Mailbox0 register
1475 qla24xx_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
1478 uint16_t __iomem
*wptr
;
1479 struct qla_hw_data
*ha
= vha
->hw
;
1480 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1482 /* Load return mailbox registers. */
1483 ha
->flags
.mbox_int
= 1;
1484 ha
->mailbox_out
[0] = mb0
;
1485 wptr
= (uint16_t __iomem
*)®
->mailbox1
;
1487 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
1488 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
1493 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
1494 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
1496 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
1497 __func__
, vha
->host_no
));
1502 * qla24xx_process_response_queue() - Process response queue entries.
1503 * @ha: SCSI driver HA context
1505 void qla24xx_process_response_queue(struct scsi_qla_host
*vha
,
1506 struct rsp_que
*rsp
)
1508 struct sts_entry_24xx
*pkt
;
1510 if (!vha
->flags
.online
)
1513 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1514 pkt
= (struct sts_entry_24xx
*)rsp
->ring_ptr
;
1517 if (rsp
->ring_index
== rsp
->length
) {
1518 rsp
->ring_index
= 0;
1519 rsp
->ring_ptr
= rsp
->ring
;
1524 if (pkt
->entry_status
!= 0) {
1525 DEBUG3(printk(KERN_INFO
1526 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1528 qla2x00_error_entry(vha
, rsp
, (sts_entry_t
*) pkt
);
1529 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1534 switch (pkt
->entry_type
) {
1536 qla2x00_status_entry(vha
, rsp
, pkt
);
1538 case STATUS_CONT_TYPE
:
1539 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1541 case VP_RPT_ID_IOCB_TYPE
:
1542 qla24xx_report_id_acquisition(vha
,
1543 (struct vp_rpt_id_entry_24xx
*)pkt
);
1546 /* Type Not Supported. */
1547 DEBUG4(printk(KERN_WARNING
1548 "scsi(%ld): Received unknown response pkt type %x "
1549 "entry status=%x.\n",
1550 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1553 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1557 /* Adjust ring index */
1558 WRT_REG_DWORD(rsp
->rsp_q_out
, rsp
->ring_index
);
1562 qla2xxx_check_risc_status(scsi_qla_host_t
*vha
)
1566 struct qla_hw_data
*ha
= vha
->hw
;
1567 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1569 if (!IS_QLA25XX(ha
) && !IS_QLA81XX(ha
))
1573 WRT_REG_DWORD(®
->iobase_addr
, 0x7C00);
1574 RD_REG_DWORD(®
->iobase_addr
);
1575 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1576 for (cnt
= 10000; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1577 rval
== QLA_SUCCESS
; cnt
--) {
1579 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1582 rval
= QLA_FUNCTION_TIMEOUT
;
1584 if (rval
== QLA_SUCCESS
)
1587 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1588 for (cnt
= 100; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1589 rval
== QLA_SUCCESS
; cnt
--) {
1591 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1594 rval
= QLA_FUNCTION_TIMEOUT
;
1596 if (rval
!= QLA_SUCCESS
)
1600 if (RD_REG_DWORD(®
->iobase_c8
) & BIT_3
)
1601 qla_printk(KERN_INFO
, ha
, "Additional code -- 0x55AA.\n");
1604 WRT_REG_DWORD(®
->iobase_window
, 0x0000);
1605 RD_REG_DWORD(®
->iobase_window
);
1609 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
1611 * @dev_id: SCSI driver HA context
1613 * Called by system whenever the host adapter generates an interrupt.
1615 * Returns handled flag.
1618 qla24xx_intr_handler(int irq
, void *dev_id
)
1620 scsi_qla_host_t
*vha
;
1621 struct qla_hw_data
*ha
;
1622 struct device_reg_24xx __iomem
*reg
;
1628 struct rsp_que
*rsp
;
1630 rsp
= (struct rsp_que
*) dev_id
;
1633 "%s(): NULL response queue pointer\n", __func__
);
1638 reg
= &ha
->iobase
->isp24
;
1641 spin_lock(&ha
->hardware_lock
);
1642 vha
= pci_get_drvdata(ha
->pdev
);
1643 for (iter
= 50; iter
--; ) {
1644 stat
= RD_REG_DWORD(®
->host_status
);
1645 if (stat
& HSRX_RISC_PAUSED
) {
1646 if (pci_channel_offline(ha
->pdev
))
1649 hccr
= RD_REG_DWORD(®
->hccr
);
1651 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
1652 "Dumping firmware!\n", hccr
);
1654 qla2xxx_check_risc_status(vha
);
1656 ha
->isp_ops
->fw_dump(vha
, 1);
1657 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1659 } else if ((stat
& HSRX_RISC_INT
) == 0)
1662 switch (stat
& 0xff) {
1667 qla24xx_mbx_completion(vha
, MSW(stat
));
1668 status
|= MBX_INTERRUPT
;
1673 mb
[1] = RD_REG_WORD(®
->mailbox1
);
1674 mb
[2] = RD_REG_WORD(®
->mailbox2
);
1675 mb
[3] = RD_REG_WORD(®
->mailbox3
);
1676 qla2x00_async_event(vha
, rsp
, mb
);
1680 qla24xx_process_response_queue(vha
, rsp
);
1683 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
1685 vha
->host_no
, stat
& 0xff));
1688 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1689 RD_REG_DWORD_RELAXED(®
->hccr
);
1691 spin_unlock(&ha
->hardware_lock
);
1693 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
1694 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
1695 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
1696 complete(&ha
->mbx_intr_comp
);
1703 qla24xx_msix_rsp_q(int irq
, void *dev_id
)
1705 struct qla_hw_data
*ha
;
1706 struct rsp_que
*rsp
;
1707 struct device_reg_24xx __iomem
*reg
;
1708 struct scsi_qla_host
*vha
;
1710 rsp
= (struct rsp_que
*) dev_id
;
1713 "%s(): NULL response queue pointer\n", __func__
);
1717 reg
= &ha
->iobase
->isp24
;
1719 spin_lock_irq(&ha
->hardware_lock
);
1721 vha
= qla25xx_get_host(rsp
);
1722 qla24xx_process_response_queue(vha
, rsp
);
1723 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1725 spin_unlock_irq(&ha
->hardware_lock
);
1731 qla25xx_msix_rsp_q(int irq
, void *dev_id
)
1733 struct qla_hw_data
*ha
;
1734 struct rsp_que
*rsp
;
1736 rsp
= (struct rsp_que
*) dev_id
;
1739 "%s(): NULL response queue pointer\n", __func__
);
1744 queue_work_on((int) (rsp
->id
- 1), ha
->wq
, &rsp
->q_work
);
1750 qla24xx_msix_default(int irq
, void *dev_id
)
1752 scsi_qla_host_t
*vha
;
1753 struct qla_hw_data
*ha
;
1754 struct rsp_que
*rsp
;
1755 struct device_reg_24xx __iomem
*reg
;
1761 rsp
= (struct rsp_que
*) dev_id
;
1764 "%s(): NULL response queue pointer\n", __func__
));
1768 reg
= &ha
->iobase
->isp24
;
1771 spin_lock_irq(&ha
->hardware_lock
);
1772 vha
= pci_get_drvdata(ha
->pdev
);
1774 stat
= RD_REG_DWORD(®
->host_status
);
1775 if (stat
& HSRX_RISC_PAUSED
) {
1776 if (pci_channel_offline(ha
->pdev
))
1779 hccr
= RD_REG_DWORD(®
->hccr
);
1781 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
1782 "Dumping firmware!\n", hccr
);
1784 qla2xxx_check_risc_status(vha
);
1786 ha
->isp_ops
->fw_dump(vha
, 1);
1787 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1789 } else if ((stat
& HSRX_RISC_INT
) == 0)
1792 switch (stat
& 0xff) {
1797 qla24xx_mbx_completion(vha
, MSW(stat
));
1798 status
|= MBX_INTERRUPT
;
1803 mb
[1] = RD_REG_WORD(®
->mailbox1
);
1804 mb
[2] = RD_REG_WORD(®
->mailbox2
);
1805 mb
[3] = RD_REG_WORD(®
->mailbox3
);
1806 qla2x00_async_event(vha
, rsp
, mb
);
1810 qla24xx_process_response_queue(vha
, rsp
);
1813 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
1815 vha
->host_no
, stat
& 0xff));
1818 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
1820 spin_unlock_irq(&ha
->hardware_lock
);
1822 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
1823 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
1824 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
1825 complete(&ha
->mbx_intr_comp
);
1831 /* Interrupt handling helpers. */
1833 struct qla_init_msix_entry
{
1835 irq_handler_t handler
;
1838 static struct qla_init_msix_entry msix_entries
[3] = {
1839 { "qla2xxx (default)", qla24xx_msix_default
},
1840 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q
},
1841 { "qla2xxx (multiq)", qla25xx_msix_rsp_q
},
1845 qla24xx_disable_msix(struct qla_hw_data
*ha
)
1848 struct qla_msix_entry
*qentry
;
1850 for (i
= 0; i
< ha
->msix_count
; i
++) {
1851 qentry
= &ha
->msix_entries
[i
];
1852 if (qentry
->have_irq
)
1853 free_irq(qentry
->vector
, qentry
->rsp
);
1855 pci_disable_msix(ha
->pdev
);
1856 kfree(ha
->msix_entries
);
1857 ha
->msix_entries
= NULL
;
1858 ha
->flags
.msix_enabled
= 0;
1862 qla24xx_enable_msix(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
1864 #define MIN_MSIX_COUNT 2
1866 struct msix_entry
*entries
;
1867 struct qla_msix_entry
*qentry
;
1869 entries
= kzalloc(sizeof(struct msix_entry
) * ha
->msix_count
,
1874 for (i
= 0; i
< ha
->msix_count
; i
++)
1875 entries
[i
].entry
= i
;
1877 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
1879 if (ret
< MIN_MSIX_COUNT
)
1882 qla_printk(KERN_WARNING
, ha
,
1883 "MSI-X: Failed to enable support -- %d/%d\n"
1884 " Retry with %d vectors\n", ha
->msix_count
, ret
, ret
);
1885 ha
->msix_count
= ret
;
1886 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
1889 qla_printk(KERN_WARNING
, ha
, "MSI-X: Failed to enable"
1890 " support, giving up -- %d/%d\n",
1891 ha
->msix_count
, ret
);
1894 ha
->max_rsp_queues
= ha
->msix_count
- 1;
1896 ha
->msix_entries
= kzalloc(sizeof(struct qla_msix_entry
) *
1897 ha
->msix_count
, GFP_KERNEL
);
1898 if (!ha
->msix_entries
) {
1902 ha
->flags
.msix_enabled
= 1;
1904 for (i
= 0; i
< ha
->msix_count
; i
++) {
1905 qentry
= &ha
->msix_entries
[i
];
1906 qentry
->vector
= entries
[i
].vector
;
1907 qentry
->entry
= entries
[i
].entry
;
1908 qentry
->have_irq
= 0;
1912 /* Enable MSI-X vectors for the base queue */
1913 for (i
= 0; i
< 2; i
++) {
1914 qentry
= &ha
->msix_entries
[i
];
1915 ret
= request_irq(qentry
->vector
, msix_entries
[i
].handler
,
1916 0, msix_entries
[i
].name
, rsp
);
1918 qla_printk(KERN_WARNING
, ha
,
1919 "MSI-X: Unable to register handler -- %x/%d.\n",
1920 qentry
->vector
, ret
);
1921 qla24xx_disable_msix(ha
);
1925 qentry
->have_irq
= 1;
1930 /* Enable MSI-X vector for response queue update for queue 0 */
1931 if (ha
->mqiobase
&& (ha
->max_rsp_queues
> 1 || ha
->max_req_queues
> 1))
1940 qla2x00_request_irqs(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
1943 device_reg_t __iomem
*reg
= ha
->iobase
;
1945 /* If possible, enable MSI-X. */
1946 if (!IS_QLA2432(ha
) && !IS_QLA2532(ha
) &&
1947 !IS_QLA8432(ha
) && !IS_QLA8001(ha
))
1950 if (IS_QLA2432(ha
) && (ha
->pdev
->revision
< QLA_MSIX_CHIP_REV_24XX
||
1951 !QLA_MSIX_FW_MODE_1(ha
->fw_attributes
))) {
1952 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1953 "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
1954 ha
->pdev
->revision
, ha
->fw_attributes
));
1959 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_HP
&&
1960 (ha
->pdev
->subsystem_device
== 0x7040 ||
1961 ha
->pdev
->subsystem_device
== 0x7041 ||
1962 ha
->pdev
->subsystem_device
== 0x1705)) {
1963 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1964 "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n",
1965 ha
->pdev
->subsystem_vendor
,
1966 ha
->pdev
->subsystem_device
));
1971 ret
= qla24xx_enable_msix(ha
, rsp
);
1973 DEBUG2(qla_printk(KERN_INFO
, ha
,
1974 "MSI-X: Enabled (0x%X, 0x%X).\n", ha
->chip_revision
,
1975 ha
->fw_attributes
));
1976 goto clear_risc_ints
;
1978 qla_printk(KERN_WARNING
, ha
,
1979 "MSI-X: Falling back-to INTa mode -- %d.\n", ret
);
1982 if (!IS_QLA24XX(ha
) && !IS_QLA2532(ha
) && !IS_QLA8432(ha
) &&
1986 ret
= pci_enable_msi(ha
->pdev
);
1988 DEBUG2(qla_printk(KERN_INFO
, ha
, "MSI: Enabled.\n"));
1989 ha
->flags
.msi_enabled
= 1;
1993 ret
= request_irq(ha
->pdev
->irq
, ha
->isp_ops
->intr_handler
,
1994 IRQF_SHARED
, QLA2XXX_DRIVER_NAME
, rsp
);
1996 qla_printk(KERN_WARNING
, ha
,
1997 "Failed to reserve interrupt %d already in use.\n",
2001 ha
->flags
.inta_enabled
= 1;
2005 * FIXME: Noted that 8014s were being dropped during NK testing.
2006 * Timing deltas during MSI-X/INTa transitions?
2010 spin_lock_irq(&ha
->hardware_lock
);
2011 if (IS_FWI2_CAPABLE(ha
)) {
2012 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
2013 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
2015 WRT_REG_WORD(®
->isp
.semaphore
, 0);
2016 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
2017 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
2019 spin_unlock_irq(&ha
->hardware_lock
);
2026 qla2x00_free_irqs(scsi_qla_host_t
*vha
)
2028 struct qla_hw_data
*ha
= vha
->hw
;
2029 struct rsp_que
*rsp
= ha
->rsp_q_map
[0];
2031 if (ha
->flags
.msix_enabled
)
2032 qla24xx_disable_msix(ha
);
2033 else if (ha
->flags
.inta_enabled
) {
2034 free_irq(ha
->pdev
->irq
, rsp
);
2035 pci_disable_msi(ha
->pdev
);
2040 int qla25xx_request_irq(struct rsp_que
*rsp
)
2042 struct qla_hw_data
*ha
= rsp
->hw
;
2043 struct qla_init_msix_entry
*intr
= &msix_entries
[2];
2044 struct qla_msix_entry
*msix
= rsp
->msix
;
2047 ret
= request_irq(msix
->vector
, intr
->handler
, 0, intr
->name
, rsp
);
2049 qla_printk(KERN_WARNING
, ha
,
2050 "MSI-X: Unable to register handler -- %x/%d.\n",
2059 struct scsi_qla_host
*
2060 qla25xx_get_host(struct rsp_que
*rsp
)
2063 struct qla_hw_data
*ha
= rsp
->hw
;
2064 struct scsi_qla_host
*vha
= NULL
;
2065 struct sts_entry_24xx
*pkt
;
2066 struct req_que
*req
;
2070 pkt
= (struct sts_entry_24xx
*) rsp
->ring_ptr
;
2071 que
= MSW(pkt
->handle
);
2072 handle
= (uint32_t) LSW(pkt
->handle
);
2073 req
= ha
->req_q_map
[que
];
2074 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
2075 sp
= req
->outstanding_cmds
[handle
];
2077 return sp
->fcport
->vha
;
2082 vha
= pci_get_drvdata(ha
->pdev
);