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 <linux/slab.h>
11 #include <scsi/scsi_tcq.h>
12 #include <scsi/scsi_bsg_fc.h>
14 static void qla2x00_mbx_completion(scsi_qla_host_t
*, uint16_t);
15 static void qla2x00_process_completed_request(struct scsi_qla_host
*,
16 struct req_que
*, uint32_t);
17 static void qla2x00_status_entry(scsi_qla_host_t
*, struct rsp_que
*, void *);
18 static void qla2x00_status_cont_entry(struct rsp_que
*, sts_cont_entry_t
*);
19 static void qla2x00_error_entry(scsi_qla_host_t
*, struct rsp_que
*,
23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @dev_id: SCSI driver HA context
27 * Called by system whenever the host adapter generates an interrupt.
29 * Returns handled flag.
32 qla2100_intr_handler(int irq
, void *dev_id
)
35 struct qla_hw_data
*ha
;
36 struct device_reg_2xxx __iomem
*reg
;
44 rsp
= (struct rsp_que
*) dev_id
;
47 "%s(): NULL response queue pointer\n", __func__
);
52 reg
= &ha
->iobase
->isp
;
55 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
56 vha
= pci_get_drvdata(ha
->pdev
);
57 for (iter
= 50; iter
--; ) {
58 hccr
= RD_REG_WORD(®
->hccr
);
59 if (hccr
& HCCR_RISC_PAUSE
) {
60 if (pci_channel_offline(ha
->pdev
))
64 * Issue a "HARD" reset in order for the RISC interrupt
65 * bit to be cleared. Schedule a big hammmer to get
66 * out of the RISC PAUSED state.
68 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
69 RD_REG_WORD(®
->hccr
);
71 ha
->isp_ops
->fw_dump(vha
, 1);
72 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
74 } else if ((RD_REG_WORD(®
->istatus
) & ISR_RISC_INT
) == 0)
77 if (RD_REG_WORD(®
->semaphore
) & BIT_0
) {
78 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
79 RD_REG_WORD(®
->hccr
);
81 /* Get mailbox data. */
82 mb
[0] = RD_MAILBOX_REG(ha
, reg
, 0);
83 if (mb
[0] > 0x3fff && mb
[0] < 0x8000) {
84 qla2x00_mbx_completion(vha
, mb
[0]);
85 status
|= MBX_INTERRUPT
;
86 } else if (mb
[0] > 0x7fff && mb
[0] < 0xc000) {
87 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
88 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
89 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
90 qla2x00_async_event(vha
, rsp
, mb
);
93 DEBUG2(printk("scsi(%ld): Unrecognized "
94 "interrupt type (%d).\n",
95 vha
->host_no
, mb
[0]));
97 /* Release mailbox registers. */
98 WRT_REG_WORD(®
->semaphore
, 0);
99 RD_REG_WORD(®
->semaphore
);
101 qla2x00_process_response_queue(rsp
);
103 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
104 RD_REG_WORD(®
->hccr
);
107 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
109 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
110 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
111 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
112 complete(&ha
->mbx_intr_comp
);
115 return (IRQ_HANDLED
);
119 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
121 * @dev_id: SCSI driver HA context
123 * Called by system whenever the host adapter generates an interrupt.
125 * Returns handled flag.
128 qla2300_intr_handler(int irq
, void *dev_id
)
130 scsi_qla_host_t
*vha
;
131 struct device_reg_2xxx __iomem
*reg
;
138 struct qla_hw_data
*ha
;
141 rsp
= (struct rsp_que
*) dev_id
;
144 "%s(): NULL response queue pointer\n", __func__
);
149 reg
= &ha
->iobase
->isp
;
152 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
153 vha
= pci_get_drvdata(ha
->pdev
);
154 for (iter
= 50; iter
--; ) {
155 stat
= RD_REG_DWORD(®
->u
.isp2300
.host_status
);
156 if (stat
& HSR_RISC_PAUSED
) {
157 if (unlikely(pci_channel_offline(ha
->pdev
)))
160 hccr
= RD_REG_WORD(®
->hccr
);
161 if (hccr
& (BIT_15
| BIT_13
| BIT_11
| BIT_8
))
162 qla_printk(KERN_INFO
, ha
, "Parity error -- "
163 "HCCR=%x, Dumping firmware!\n", hccr
);
165 qla_printk(KERN_INFO
, ha
, "RISC paused -- "
166 "HCCR=%x, Dumping firmware!\n", hccr
);
169 * Issue a "HARD" reset in order for the RISC
170 * interrupt bit to be cleared. Schedule a big
171 * hammmer to get out of the RISC PAUSED state.
173 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
174 RD_REG_WORD(®
->hccr
);
176 ha
->isp_ops
->fw_dump(vha
, 1);
177 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
179 } else if ((stat
& HSR_RISC_INT
) == 0)
182 switch (stat
& 0xff) {
187 qla2x00_mbx_completion(vha
, MSW(stat
));
188 status
|= MBX_INTERRUPT
;
190 /* Release mailbox registers. */
191 WRT_REG_WORD(®
->semaphore
, 0);
195 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
196 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
197 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
198 qla2x00_async_event(vha
, rsp
, mb
);
201 qla2x00_process_response_queue(rsp
);
204 mb
[0] = MBA_CMPLT_1_16BIT
;
206 qla2x00_async_event(vha
, rsp
, mb
);
209 mb
[0] = MBA_SCSI_COMPLETION
;
211 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
212 qla2x00_async_event(vha
, rsp
, mb
);
215 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
217 vha
->host_no
, stat
& 0xff));
220 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
221 RD_REG_WORD_RELAXED(®
->hccr
);
223 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
225 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
226 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
227 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
228 complete(&ha
->mbx_intr_comp
);
231 return (IRQ_HANDLED
);
235 * qla2x00_mbx_completion() - Process mailbox command completions.
236 * @ha: SCSI driver HA context
237 * @mb0: Mailbox0 register
240 qla2x00_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
243 uint16_t __iomem
*wptr
;
244 struct qla_hw_data
*ha
= vha
->hw
;
245 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
247 /* Load return mailbox registers. */
248 ha
->flags
.mbox_int
= 1;
249 ha
->mailbox_out
[0] = mb0
;
250 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 1);
252 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
253 if (IS_QLA2200(ha
) && cnt
== 8)
254 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 8);
255 if (cnt
== 4 || cnt
== 5)
256 ha
->mailbox_out
[cnt
] = qla2x00_debounce_register(wptr
);
258 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
264 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
265 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
267 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
268 __func__
, vha
->host_no
));
273 qla81xx_idc_event(scsi_qla_host_t
*vha
, uint16_t aen
, uint16_t descr
)
275 static char *event
[] =
276 { "Complete", "Request Notification", "Time Extension" };
278 struct device_reg_24xx __iomem
*reg24
= &vha
->hw
->iobase
->isp24
;
279 uint16_t __iomem
*wptr
;
280 uint16_t cnt
, timeout
, mb
[QLA_IDC_ACK_REGS
];
282 /* Seed data -- mailbox1 -> mailbox7. */
283 wptr
= (uint16_t __iomem
*)®24
->mailbox1
;
284 for (cnt
= 0; cnt
< QLA_IDC_ACK_REGS
; cnt
++, wptr
++)
285 mb
[cnt
] = RD_REG_WORD(wptr
);
287 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
288 "%04x %04x %04x %04x %04x %04x %04x.\n", vha
->host_no
,
290 mb
[0], mb
[1], mb
[2], mb
[3], mb
[4], mb
[5], mb
[6]));
292 /* Acknowledgement needed? [Notify && non-zero timeout]. */
293 timeout
= (descr
>> 8) & 0xf;
294 if (aen
!= MBA_IDC_NOTIFY
|| !timeout
)
297 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
298 "ACK timeout=%d.\n", vha
->host_no
, event
[aen
& 0xff], timeout
));
300 rval
= qla2x00_post_idc_ack_work(vha
, mb
);
301 if (rval
!= QLA_SUCCESS
)
302 qla_printk(KERN_WARNING
, vha
->hw
,
303 "IDC failed to post ACK.\n");
307 * qla2x00_async_event() - Process aynchronous events.
308 * @ha: SCSI driver HA context
309 * @mb: Mailbox registers (0 - 3)
312 qla2x00_async_event(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, uint16_t *mb
)
315 static char *link_speeds
[] = { "1", "2", "?", "4", "8", "10" };
320 struct qla_hw_data
*ha
= vha
->hw
;
321 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
322 struct device_reg_24xx __iomem
*reg24
= &ha
->iobase
->isp24
;
323 uint32_t rscn_entry
, host_pid
;
324 uint8_t rscn_queue_index
;
327 /* Setup to process RIO completion. */
332 case MBA_SCSI_COMPLETION
:
333 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
336 case MBA_CMPLT_1_16BIT
:
339 mb
[0] = MBA_SCSI_COMPLETION
;
341 case MBA_CMPLT_2_16BIT
:
345 mb
[0] = MBA_SCSI_COMPLETION
;
347 case MBA_CMPLT_3_16BIT
:
352 mb
[0] = MBA_SCSI_COMPLETION
;
354 case MBA_CMPLT_4_16BIT
:
358 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
360 mb
[0] = MBA_SCSI_COMPLETION
;
362 case MBA_CMPLT_5_16BIT
:
366 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
367 handles
[4] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 7);
369 mb
[0] = MBA_SCSI_COMPLETION
;
371 case MBA_CMPLT_2_32BIT
:
372 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
373 handles
[1] = le32_to_cpu(
374 ((uint32_t)(RD_MAILBOX_REG(ha
, reg
, 7) << 16)) |
375 RD_MAILBOX_REG(ha
, reg
, 6));
377 mb
[0] = MBA_SCSI_COMPLETION
;
384 case MBA_SCSI_COMPLETION
: /* Fast Post */
385 if (!vha
->flags
.online
)
388 for (cnt
= 0; cnt
< handle_cnt
; cnt
++)
389 qla2x00_process_completed_request(vha
, rsp
->req
,
393 case MBA_RESET
: /* Reset */
394 DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n",
397 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
400 case MBA_SYSTEM_ERR
: /* System Error */
401 mbx
= IS_QLA81XX(ha
) ? RD_REG_WORD(®24
->mailbox7
) : 0;
402 qla_printk(KERN_INFO
, ha
,
403 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
404 "mbx7=%xh.\n", mb
[1], mb
[2], mb
[3], mbx
);
406 ha
->isp_ops
->fw_dump(vha
, 1);
408 if (IS_FWI2_CAPABLE(ha
)) {
409 if (mb
[1] == 0 && mb
[2] == 0) {
410 qla_printk(KERN_ERR
, ha
,
411 "Unrecoverable Hardware Error: adapter "
412 "marked OFFLINE!\n");
413 vha
->flags
.online
= 0;
415 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
416 } else if (mb
[1] == 0) {
417 qla_printk(KERN_INFO
, ha
,
418 "Unrecoverable Hardware Error: adapter marked "
420 vha
->flags
.online
= 0;
422 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
425 case MBA_REQ_TRANSFER_ERR
: /* Request Transfer Error */
426 DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n",
427 vha
->host_no
, mb
[1]));
428 qla_printk(KERN_WARNING
, ha
,
429 "ISP Request Transfer Error (%x).\n", mb
[1]);
431 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
434 case MBA_RSP_TRANSFER_ERR
: /* Response Transfer Error */
435 DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
437 qla_printk(KERN_WARNING
, ha
, "ISP Response Transfer Error.\n");
439 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
442 case MBA_WAKEUP_THRES
: /* Request Queue Wake-up */
443 DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
447 case MBA_LIP_OCCURRED
: /* Loop Initialization Procedure */
448 DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha
->host_no
,
450 qla_printk(KERN_INFO
, ha
, "LIP occurred (%x).\n", mb
[1]);
452 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
453 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
454 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
455 qla2x00_mark_all_devices_lost(vha
, 1);
459 atomic_set(&vha
->vp_state
, VP_FAILED
);
460 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
463 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
464 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
466 vha
->flags
.management_server_logged_in
= 0;
467 qla2x00_post_aen_work(vha
, FCH_EVT_LIP
, mb
[1]);
470 case MBA_LOOP_UP
: /* Loop Up Event */
471 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
472 link_speed
= link_speeds
[0];
473 ha
->link_data_rate
= PORT_SPEED_1GB
;
475 link_speed
= link_speeds
[LS_UNKNOWN
];
477 link_speed
= link_speeds
[mb
[1]];
478 else if (mb
[1] == 0x13)
479 link_speed
= link_speeds
[5];
480 ha
->link_data_rate
= mb
[1];
483 DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
484 vha
->host_no
, link_speed
));
485 qla_printk(KERN_INFO
, ha
, "LOOP UP detected (%s Gbps).\n",
488 vha
->flags
.management_server_logged_in
= 0;
489 qla2x00_post_aen_work(vha
, FCH_EVT_LINKUP
, ha
->link_data_rate
);
492 case MBA_LOOP_DOWN
: /* Loop Down Event */
493 mbx
= IS_QLA81XX(ha
) ? RD_REG_WORD(®24
->mailbox4
) : 0;
494 DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
495 "(%x %x %x %x).\n", vha
->host_no
, mb
[1], mb
[2], mb
[3],
497 qla_printk(KERN_INFO
, ha
,
498 "LOOP DOWN detected (%x %x %x %x).\n", mb
[1], mb
[2], mb
[3],
501 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
502 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
503 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
504 vha
->device_flags
|= DFLG_NO_CABLE
;
505 qla2x00_mark_all_devices_lost(vha
, 1);
509 atomic_set(&vha
->vp_state
, VP_FAILED
);
510 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
513 vha
->flags
.management_server_logged_in
= 0;
514 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
515 qla2x00_post_aen_work(vha
, FCH_EVT_LINKDOWN
, 0);
518 case MBA_LIP_RESET
: /* LIP reset occurred */
519 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
520 vha
->host_no
, mb
[1]));
521 qla_printk(KERN_INFO
, ha
,
522 "LIP reset occurred (%x).\n", mb
[1]);
524 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
525 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
526 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
527 qla2x00_mark_all_devices_lost(vha
, 1);
531 atomic_set(&vha
->vp_state
, VP_FAILED
);
532 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
535 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
537 ha
->operating_mode
= LOOP
;
538 vha
->flags
.management_server_logged_in
= 0;
539 qla2x00_post_aen_work(vha
, FCH_EVT_LIPRESET
, mb
[1]);
542 /* case MBA_DCBX_COMPLETE: */
543 case MBA_POINT_TO_POINT
: /* Point-to-Point */
548 DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x "
549 "%04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
551 DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE "
552 "received.\n", vha
->host_no
));
555 * Until there's a transition from loop down to loop up, treat
556 * this as loop down only.
558 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
559 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
560 if (!atomic_read(&vha
->loop_down_timer
))
561 atomic_set(&vha
->loop_down_timer
,
563 qla2x00_mark_all_devices_lost(vha
, 1);
567 atomic_set(&vha
->vp_state
, VP_FAILED
);
568 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
571 if (!(test_bit(ABORT_ISP_ACTIVE
, &vha
->dpc_flags
)))
572 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
574 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
575 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
577 ha
->flags
.gpsc_supported
= 1;
578 vha
->flags
.management_server_logged_in
= 0;
581 case MBA_CHG_IN_CONNECTION
: /* Change in connection mode */
585 DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
588 qla_printk(KERN_INFO
, ha
,
589 "Configuration change detected: value=%x.\n", mb
[1]);
591 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
592 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
593 if (!atomic_read(&vha
->loop_down_timer
))
594 atomic_set(&vha
->loop_down_timer
,
596 qla2x00_mark_all_devices_lost(vha
, 1);
600 atomic_set(&vha
->vp_state
, VP_FAILED
);
601 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
604 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
605 set_bit(LOCAL_LOOP_UPDATE
, &vha
->dpc_flags
);
608 case MBA_PORT_UPDATE
: /* Port database update */
610 * Handle only global and vn-port update events
613 * mb[1] = N_Port handle of changed port
614 * OR 0xffff for global event
615 * mb[2] = New login state
616 * 7 = Port logged out
617 * mb[3] = LSB is vp_idx, 0xff = all vps
619 * Skip processing if:
620 * Event is global, vp_idx is NOT all vps,
621 * vp_idx does not match
622 * Event is not global, vp_idx does not match
624 if ((mb
[1] == 0xffff && (mb
[3] & 0xff) != 0xff)
625 || (mb
[1] != 0xffff)) {
626 if (vha
->vp_idx
!= (mb
[3] & 0xff))
630 /* Global event -- port logout or port unavailable. */
631 if (mb
[1] == 0xffff && mb
[2] == 0x7) {
632 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
634 DEBUG(printk(KERN_INFO
635 "scsi(%ld): Port unavailable %04x %04x %04x.\n",
636 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
638 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
639 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
640 atomic_set(&vha
->loop_down_timer
,
642 vha
->device_flags
|= DFLG_NO_CABLE
;
643 qla2x00_mark_all_devices_lost(vha
, 1);
647 atomic_set(&vha
->vp_state
, VP_FAILED
);
648 fc_vport_set_state(vha
->fc_vport
,
650 qla2x00_mark_all_devices_lost(vha
, 1);
653 vha
->flags
.management_server_logged_in
= 0;
654 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
659 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
660 * event etc. earlier indicating loop is down) then process
661 * it. Otherwise ignore it and Wait for RSCN to come in.
663 atomic_set(&vha
->loop_down_timer
, 0);
664 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
&&
665 atomic_read(&vha
->loop_state
) != LOOP_DEAD
) {
666 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
667 "ignored %04x/%04x/%04x.\n", vha
->host_no
, mb
[1],
672 DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
674 DEBUG(printk(KERN_INFO
675 "scsi(%ld): Port database changed %04x %04x %04x.\n",
676 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
679 * Mark all devices as missing so we will login again.
681 atomic_set(&vha
->loop_state
, LOOP_UP
);
683 qla2x00_mark_all_devices_lost(vha
, 1);
685 vha
->flags
.rscn_queue_overflow
= 1;
687 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
688 set_bit(LOCAL_LOOP_UPDATE
, &vha
->dpc_flags
);
691 case MBA_RSCN_UPDATE
: /* State Change Registration */
692 /* Check if the Vport has issued a SCR */
693 if (vha
->vp_idx
&& test_bit(VP_SCR_NEEDED
, &vha
->vp_flags
))
695 /* Only handle SCNs for our Vport index. */
696 if (ha
->flags
.npiv_supported
&& vha
->vp_idx
!= (mb
[3] & 0xff))
699 DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
701 DEBUG(printk(KERN_INFO
702 "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
703 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
705 rscn_entry
= ((mb
[1] & 0xff) << 16) | mb
[2];
706 host_pid
= (vha
->d_id
.b
.domain
<< 16) | (vha
->d_id
.b
.area
<< 8)
708 if (rscn_entry
== host_pid
) {
709 DEBUG(printk(KERN_INFO
710 "scsi(%ld): Ignoring RSCN update to local host "
712 vha
->host_no
, host_pid
));
716 /* Ignore reserved bits from RSCN-payload. */
717 rscn_entry
= ((mb
[1] & 0x3ff) << 16) | mb
[2];
718 rscn_queue_index
= vha
->rscn_in_ptr
+ 1;
719 if (rscn_queue_index
== MAX_RSCN_COUNT
)
720 rscn_queue_index
= 0;
721 if (rscn_queue_index
!= vha
->rscn_out_ptr
) {
722 vha
->rscn_queue
[vha
->rscn_in_ptr
] = rscn_entry
;
723 vha
->rscn_in_ptr
= rscn_queue_index
;
725 vha
->flags
.rscn_queue_overflow
= 1;
728 atomic_set(&vha
->loop_state
, LOOP_UPDATE
);
729 atomic_set(&vha
->loop_down_timer
, 0);
730 vha
->flags
.management_server_logged_in
= 0;
732 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
733 set_bit(RSCN_UPDATE
, &vha
->dpc_flags
);
734 qla2x00_post_aen_work(vha
, FCH_EVT_RSCN
, rscn_entry
);
737 /* case MBA_RIO_RESPONSE: */
738 case MBA_ZIO_RESPONSE
:
739 DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n",
742 if (IS_FWI2_CAPABLE(ha
))
743 qla24xx_process_response_queue(vha
, rsp
);
745 qla2x00_process_response_queue(rsp
);
748 case MBA_DISCARD_RND_FRAME
:
749 DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
750 "%04x.\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
753 case MBA_TRACE_NOTIFICATION
:
754 DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
755 vha
->host_no
, mb
[1], mb
[2]));
758 case MBA_ISP84XX_ALERT
:
759 DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- "
760 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
762 spin_lock_irqsave(&ha
->cs84xx
->access_lock
, flags
);
764 case A84_PANIC_RECOVERY
:
765 qla_printk(KERN_INFO
, ha
, "Alert 84XX: panic recovery "
766 "%04x %04x\n", mb
[2], mb
[3]);
768 case A84_OP_LOGIN_COMPLETE
:
769 ha
->cs84xx
->op_fw_version
= mb
[3] << 16 | mb
[2];
770 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX:"
771 "firmware version %x\n", ha
->cs84xx
->op_fw_version
));
773 case A84_DIAG_LOGIN_COMPLETE
:
774 ha
->cs84xx
->diag_fw_version
= mb
[3] << 16 | mb
[2];
775 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX:"
776 "diagnostic firmware version %x\n",
777 ha
->cs84xx
->diag_fw_version
));
779 case A84_GOLD_LOGIN_COMPLETE
:
780 ha
->cs84xx
->diag_fw_version
= mb
[3] << 16 | mb
[2];
781 ha
->cs84xx
->fw_update
= 1;
782 DEBUG2(qla_printk(KERN_INFO
, ha
, "Alert 84XX: gold "
783 "firmware version %x\n",
784 ha
->cs84xx
->gold_fw_version
));
787 qla_printk(KERN_ERR
, ha
,
788 "Alert 84xx: Invalid Alert %04x %04x %04x\n",
789 mb
[1], mb
[2], mb
[3]);
791 spin_unlock_irqrestore(&ha
->cs84xx
->access_lock
, flags
);
794 DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n",
795 vha
->host_no
, mb
[1], mb
[2], mb
[3]));
797 case MBA_DCBX_PARAM_UPDATE
:
798 DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- "
799 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
801 case MBA_FCF_CONF_ERR
:
802 DEBUG2(printk("scsi(%ld): FCF Configuration Error -- "
803 "%04x %04x %04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
805 case MBA_IDC_COMPLETE
:
807 case MBA_IDC_TIME_EXT
:
808 qla81xx_idc_event(vha
, mb
[0], mb
[1]);
812 if (!vha
->vp_idx
&& ha
->num_vhosts
)
813 qla2x00_alert_all_vps(rsp
, mb
);
817 * qla2x00_process_completed_request() - Process a Fast Post response.
818 * @ha: SCSI driver HA context
822 qla2x00_process_completed_request(struct scsi_qla_host
*vha
,
823 struct req_que
*req
, uint32_t index
)
826 struct qla_hw_data
*ha
= vha
->hw
;
828 /* Validate handle. */
829 if (index
>= MAX_OUTSTANDING_COMMANDS
) {
830 DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
831 vha
->host_no
, index
));
832 qla_printk(KERN_WARNING
, ha
,
833 "Invalid SCSI completion handle %d.\n", index
);
835 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
839 sp
= req
->outstanding_cmds
[index
];
841 /* Free outstanding command slot. */
842 req
->outstanding_cmds
[index
] = NULL
;
844 /* Save ISP completion status */
845 sp
->cmd
->result
= DID_OK
<< 16;
846 qla2x00_sp_compl(ha
, sp
);
848 DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
849 " handle(%d)\n", vha
->host_no
, req
->id
, index
));
850 qla_printk(KERN_WARNING
, ha
,
851 "Invalid ISP SCSI completion handle\n");
853 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
858 qla2x00_get_sp_from_handle(scsi_qla_host_t
*vha
, const char *func
,
859 struct req_que
*req
, void *iocb
)
861 struct qla_hw_data
*ha
= vha
->hw
;
862 sts_entry_t
*pkt
= iocb
;
866 index
= LSW(pkt
->handle
);
867 if (index
>= MAX_OUTSTANDING_COMMANDS
) {
868 qla_printk(KERN_WARNING
, ha
,
869 "%s: Invalid completion handle (%x).\n", func
, index
);
870 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
873 sp
= req
->outstanding_cmds
[index
];
875 qla_printk(KERN_WARNING
, ha
,
876 "%s: Invalid completion handle (%x) -- timed-out.\n", func
,
880 if (sp
->handle
!= index
) {
881 qla_printk(KERN_WARNING
, ha
,
882 "%s: SRB handle (%x) mismatch %x.\n", func
, sp
->handle
,
887 req
->outstanding_cmds
[index
] = NULL
;
894 qla2x00_mbx_iocb_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
895 struct mbx_entry
*mbx
)
897 const char func
[] = "MBX-IOCB";
899 struct qla_hw_data
*ha
= vha
->hw
;
902 struct srb_logio
*lio
;
905 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, mbx
);
911 switch (lio
->ctx
.type
) {
919 qla_printk(KERN_WARNING
, ha
,
920 "%s: Unrecognized SRB: (%p) type=%d.\n", func
, sp
,
925 del_timer(&lio
->ctx
.timer
);
928 data
[0] = data
[1] = 0;
929 if (mbx
->entry_status
) {
930 DEBUG2(printk(KERN_WARNING
931 "scsi(%ld:%x): Async-%s error entry - entry-status=%x "
932 "status=%x state-flag=%x status-flags=%x.\n",
933 fcport
->vha
->host_no
, sp
->handle
, type
,
934 mbx
->entry_status
, le16_to_cpu(mbx
->status
),
935 le16_to_cpu(mbx
->state_flags
),
936 le16_to_cpu(mbx
->status_flags
)));
937 DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx
, sizeof(*mbx
)));
939 data
[0] = MBS_COMMAND_ERROR
;
940 data
[1] = lio
->flags
& SRB_LOGIN_RETRIED
?
941 QLA_LOGIO_LOGIN_RETRIED
: 0;
942 goto done_post_logio_done_work
;
945 if (!mbx
->status
&& le16_to_cpu(mbx
->mb0
) == MBS_COMMAND_COMPLETE
) {
946 DEBUG2(printk(KERN_DEBUG
947 "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n",
948 fcport
->vha
->host_no
, sp
->handle
, type
,
949 le16_to_cpu(mbx
->mb1
)));
951 data
[0] = MBS_COMMAND_COMPLETE
;
952 if (lio
->ctx
.type
== SRB_LOGIN_CMD
&& le16_to_cpu(mbx
->mb1
) & BIT_1
)
953 fcport
->flags
|= FCF_FCP2_DEVICE
;
955 goto done_post_logio_done_work
;
958 data
[0] = le16_to_cpu(mbx
->mb0
);
960 case MBS_PORT_ID_USED
:
961 data
[1] = le16_to_cpu(mbx
->mb1
);
963 case MBS_LOOP_ID_USED
:
966 data
[0] = MBS_COMMAND_ERROR
;
967 data
[1] = lio
->flags
& SRB_LOGIN_RETRIED
?
968 QLA_LOGIO_LOGIN_RETRIED
: 0;
972 DEBUG2(printk(KERN_WARNING
973 "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x "
975 fcport
->vha
->host_no
, sp
->handle
, type
, le16_to_cpu(mbx
->status
),
976 le16_to_cpu(mbx
->mb0
), le16_to_cpu(mbx
->mb1
),
977 le16_to_cpu(mbx
->mb2
), le16_to_cpu(mbx
->mb6
),
978 le16_to_cpu(mbx
->mb7
)));
980 done_post_logio_done_work
:
981 lio
->ctx
.type
== SRB_LOGIN_CMD
?
982 qla2x00_post_async_login_done_work(fcport
->vha
, fcport
, data
):
983 qla2x00_post_async_logout_done_work(fcport
->vha
, fcport
, data
);
989 qla24xx_els_ct_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
990 struct sts_entry_24xx
*pkt
, int iocb_type
)
992 const char func
[] = "ELS_CT_IOCB";
994 struct qla_hw_data
*ha
= vha
->hw
;
996 struct srb_bsg
*sp_bsg
;
997 struct fc_bsg_job
*bsg_job
;
998 uint16_t comp_status
;
999 uint32_t fw_status
[3];
1000 uint8_t* fw_sts_ptr
;
1002 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, pkt
);
1005 sp_bsg
= (struct srb_bsg
*)sp
->ctx
;
1006 bsg_job
= sp_bsg
->bsg_job
;
1009 switch (sp_bsg
->ctx
.type
) {
1010 case SRB_ELS_CMD_RPT
:
1011 case SRB_ELS_CMD_HST
:
1015 type
= "ct pass-through";
1018 qla_printk(KERN_WARNING
, ha
,
1019 "%s: Unrecognized SRB: (%p) type=%d.\n", func
, sp
,
1024 comp_status
= fw_status
[0] = le16_to_cpu(pkt
->comp_status
);
1025 fw_status
[1] = le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_1
);
1026 fw_status
[2] = le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_2
);
1028 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1029 * fc payload to the caller
1031 bsg_job
->reply
->reply_data
.ctels_reply
.status
= FC_CTELS_STATUS_OK
;
1032 bsg_job
->reply_len
= sizeof(struct fc_bsg_reply
) + sizeof(fw_status
);
1034 if (comp_status
!= CS_COMPLETE
) {
1035 if (comp_status
== CS_DATA_UNDERRUN
) {
1036 bsg_job
->reply
->result
= DID_OK
<< 16;
1037 bsg_job
->reply
->reply_payload_rcv_len
=
1038 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->total_byte_count
);
1040 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1041 "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
1042 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1043 vha
->host_no
, sp
->handle
, type
, comp_status
, fw_status
[1], fw_status
[2],
1044 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->total_byte_count
)));
1045 fw_sts_ptr
= ((uint8_t*)bsg_job
->req
->sense
) + sizeof(struct fc_bsg_reply
);
1046 memcpy( fw_sts_ptr
, fw_status
, sizeof(fw_status
));
1049 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1050 "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
1051 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1052 vha
->host_no
, sp
->handle
, type
, comp_status
,
1053 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_1
),
1054 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_2
)));
1055 bsg_job
->reply
->result
= DID_ERROR
<< 16;
1056 bsg_job
->reply
->reply_payload_rcv_len
= 0;
1057 fw_sts_ptr
= ((uint8_t*)bsg_job
->req
->sense
) + sizeof(struct fc_bsg_reply
);
1058 memcpy( fw_sts_ptr
, fw_status
, sizeof(fw_status
));
1060 DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt
, sizeof(*pkt
)));
1063 bsg_job
->reply
->result
= DID_OK
<< 16;;
1064 bsg_job
->reply
->reply_payload_rcv_len
= bsg_job
->reply_payload
.payload_len
;
1065 bsg_job
->reply_len
= 0;
1068 dma_unmap_sg(&ha
->pdev
->dev
,
1069 bsg_job
->request_payload
.sg_list
,
1070 bsg_job
->request_payload
.sg_cnt
, DMA_TO_DEVICE
);
1071 dma_unmap_sg(&ha
->pdev
->dev
,
1072 bsg_job
->reply_payload
.sg_list
,
1073 bsg_job
->reply_payload
.sg_cnt
, DMA_FROM_DEVICE
);
1074 if ((sp_bsg
->ctx
.type
== SRB_ELS_CMD_HST
) ||
1075 (sp_bsg
->ctx
.type
== SRB_CT_CMD
))
1078 mempool_free(sp
, ha
->srb_mempool
);
1079 bsg_job
->job_done(bsg_job
);
1083 qla24xx_logio_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
1084 struct logio_entry_24xx
*logio
)
1086 const char func
[] = "LOGIO-IOCB";
1088 struct qla_hw_data
*ha
= vha
->hw
;
1091 struct srb_logio
*lio
;
1095 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, logio
);
1101 switch (lio
->ctx
.type
) {
1105 case SRB_LOGOUT_CMD
:
1109 qla_printk(KERN_WARNING
, ha
,
1110 "%s: Unrecognized SRB: (%p) type=%d.\n", func
, sp
,
1115 del_timer(&lio
->ctx
.timer
);
1116 fcport
= sp
->fcport
;
1118 data
[0] = data
[1] = 0;
1119 if (logio
->entry_status
) {
1120 DEBUG2(printk(KERN_WARNING
1121 "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
1122 fcport
->vha
->host_no
, sp
->handle
, type
,
1123 logio
->entry_status
));
1124 DEBUG2(qla2x00_dump_buffer((uint8_t *)logio
, sizeof(*logio
)));
1126 data
[0] = MBS_COMMAND_ERROR
;
1127 data
[1] = lio
->flags
& SRB_LOGIN_RETRIED
?
1128 QLA_LOGIO_LOGIN_RETRIED
: 0;
1129 goto done_post_logio_done_work
;
1132 if (le16_to_cpu(logio
->comp_status
) == CS_COMPLETE
) {
1133 DEBUG2(printk(KERN_DEBUG
1134 "scsi(%ld:%x): Async-%s complete - iop0=%x.\n",
1135 fcport
->vha
->host_no
, sp
->handle
, type
,
1136 le32_to_cpu(logio
->io_parameter
[0])));
1138 data
[0] = MBS_COMMAND_COMPLETE
;
1139 if (lio
->ctx
.type
== SRB_LOGOUT_CMD
)
1140 goto done_post_logio_done_work
;
1142 iop
[0] = le32_to_cpu(logio
->io_parameter
[0]);
1143 if (iop
[0] & BIT_4
) {
1144 fcport
->port_type
= FCT_TARGET
;
1146 fcport
->flags
|= FCF_FCP2_DEVICE
;
1149 fcport
->port_type
= FCT_INITIATOR
;
1150 if (logio
->io_parameter
[7] || logio
->io_parameter
[8])
1151 fcport
->supported_classes
|= FC_COS_CLASS2
;
1152 if (logio
->io_parameter
[9] || logio
->io_parameter
[10])
1153 fcport
->supported_classes
|= FC_COS_CLASS3
;
1155 goto done_post_logio_done_work
;
1158 iop
[0] = le32_to_cpu(logio
->io_parameter
[0]);
1159 iop
[1] = le32_to_cpu(logio
->io_parameter
[1]);
1161 case LSC_SCODE_PORTID_USED
:
1162 data
[0] = MBS_PORT_ID_USED
;
1163 data
[1] = LSW(iop
[1]);
1165 case LSC_SCODE_NPORT_USED
:
1166 data
[0] = MBS_LOOP_ID_USED
;
1168 case LSC_SCODE_CMD_FAILED
:
1169 if ((iop
[1] & 0xff) == 0x05) {
1170 data
[0] = MBS_NOT_LOGGED_IN
;
1175 data
[0] = MBS_COMMAND_ERROR
;
1176 data
[1] = lio
->flags
& SRB_LOGIN_RETRIED
?
1177 QLA_LOGIO_LOGIN_RETRIED
: 0;
1181 DEBUG2(printk(KERN_WARNING
1182 "scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n",
1183 fcport
->vha
->host_no
, sp
->handle
, type
,
1184 le16_to_cpu(logio
->comp_status
),
1185 le32_to_cpu(logio
->io_parameter
[0]),
1186 le32_to_cpu(logio
->io_parameter
[1])));
1188 done_post_logio_done_work
:
1189 lio
->ctx
.type
== SRB_LOGIN_CMD
?
1190 qla2x00_post_async_login_done_work(fcport
->vha
, fcport
, data
):
1191 qla2x00_post_async_logout_done_work(fcport
->vha
, fcport
, data
);
1197 * qla2x00_process_response_queue() - Process response queue entries.
1198 * @ha: SCSI driver HA context
1201 qla2x00_process_response_queue(struct rsp_que
*rsp
)
1203 struct scsi_qla_host
*vha
;
1204 struct qla_hw_data
*ha
= rsp
->hw
;
1205 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1207 uint16_t handle_cnt
;
1210 vha
= pci_get_drvdata(ha
->pdev
);
1212 if (!vha
->flags
.online
)
1215 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1216 pkt
= (sts_entry_t
*)rsp
->ring_ptr
;
1219 if (rsp
->ring_index
== rsp
->length
) {
1220 rsp
->ring_index
= 0;
1221 rsp
->ring_ptr
= rsp
->ring
;
1226 if (pkt
->entry_status
!= 0) {
1227 DEBUG3(printk(KERN_INFO
1228 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1230 qla2x00_error_entry(vha
, rsp
, pkt
);
1231 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1236 switch (pkt
->entry_type
) {
1238 qla2x00_status_entry(vha
, rsp
, pkt
);
1240 case STATUS_TYPE_21
:
1241 handle_cnt
= ((sts21_entry_t
*)pkt
)->handle_count
;
1242 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
1243 qla2x00_process_completed_request(vha
, rsp
->req
,
1244 ((sts21_entry_t
*)pkt
)->handle
[cnt
]);
1247 case STATUS_TYPE_22
:
1248 handle_cnt
= ((sts22_entry_t
*)pkt
)->handle_count
;
1249 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
1250 qla2x00_process_completed_request(vha
, rsp
->req
,
1251 ((sts22_entry_t
*)pkt
)->handle
[cnt
]);
1254 case STATUS_CONT_TYPE
:
1255 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1258 qla2x00_mbx_iocb_entry(vha
, rsp
->req
,
1259 (struct mbx_entry
*)pkt
);
1261 /* Type Not Supported. */
1262 DEBUG4(printk(KERN_WARNING
1263 "scsi(%ld): Received unknown response pkt type %x "
1264 "entry status=%x.\n",
1265 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1268 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1272 /* Adjust ring index */
1273 WRT_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
), rsp
->ring_index
);
1277 qla2x00_handle_sense(srb_t
*sp
, uint8_t *sense_data
, uint32_t sense_len
,
1278 struct rsp_que
*rsp
)
1280 struct scsi_cmnd
*cp
= sp
->cmd
;
1282 if (sense_len
>= SCSI_SENSE_BUFFERSIZE
)
1283 sense_len
= SCSI_SENSE_BUFFERSIZE
;
1285 sp
->request_sense_length
= sense_len
;
1286 sp
->request_sense_ptr
= cp
->sense_buffer
;
1287 if (sp
->request_sense_length
> 32)
1290 memcpy(cp
->sense_buffer
, sense_data
, sense_len
);
1292 sp
->request_sense_ptr
+= sense_len
;
1293 sp
->request_sense_length
-= sense_len
;
1294 if (sp
->request_sense_length
!= 0)
1295 rsp
->status_srb
= sp
;
1297 DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) "
1298 "cmd=%p pid=%ld\n", __func__
, sp
->fcport
->vha
->host_no
,
1299 cp
->device
->channel
, cp
->device
->id
, cp
->device
->lun
, cp
,
1300 cp
->serial_number
));
1302 DEBUG5(qla2x00_dump_buffer(cp
->sense_buffer
, sense_len
));
1306 * qla2x00_status_entry() - Process a Status IOCB entry.
1307 * @ha: SCSI driver HA context
1308 * @pkt: Entry pointer
1311 qla2x00_status_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, void *pkt
)
1315 struct scsi_cmnd
*cp
;
1317 struct sts_entry_24xx
*sts24
;
1318 uint16_t comp_status
;
1319 uint16_t scsi_status
;
1320 uint8_t lscsi_status
;
1322 uint32_t sense_len
, rsp_info_len
, resid_len
, fw_resid_len
;
1323 uint8_t *rsp_info
, *sense_data
;
1324 struct qla_hw_data
*ha
= vha
->hw
;
1327 struct req_que
*req
;
1329 sts
= (sts_entry_t
*) pkt
;
1330 sts24
= (struct sts_entry_24xx
*) pkt
;
1331 if (IS_FWI2_CAPABLE(ha
)) {
1332 comp_status
= le16_to_cpu(sts24
->comp_status
);
1333 scsi_status
= le16_to_cpu(sts24
->scsi_status
) & SS_MASK
;
1335 comp_status
= le16_to_cpu(sts
->comp_status
);
1336 scsi_status
= le16_to_cpu(sts
->scsi_status
) & SS_MASK
;
1338 handle
= (uint32_t) LSW(sts
->handle
);
1339 que
= MSW(sts
->handle
);
1340 req
= ha
->req_q_map
[que
];
1341 /* Fast path completion. */
1342 if (comp_status
== CS_COMPLETE
&& scsi_status
== 0) {
1343 qla2x00_process_completed_request(vha
, req
, handle
);
1348 /* Validate handle. */
1349 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
1350 sp
= req
->outstanding_cmds
[handle
];
1351 req
->outstanding_cmds
[handle
] = NULL
;
1356 DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
1358 qla_printk(KERN_WARNING
, ha
, "Status Entry invalid handle.\n");
1360 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1361 qla2xxx_wake_dpc(vha
);
1366 DEBUG2(printk("scsi(%ld): Command already returned back to OS "
1367 "pkt->handle=%d sp=%p.\n", vha
->host_no
, handle
, sp
));
1368 qla_printk(KERN_WARNING
, ha
,
1369 "Command is NULL: already returned to OS (sp=%p)\n", sp
);
1374 lscsi_status
= scsi_status
& STATUS_MASK
;
1376 fcport
= sp
->fcport
;
1378 sense_len
= rsp_info_len
= resid_len
= fw_resid_len
= 0;
1379 if (IS_FWI2_CAPABLE(ha
)) {
1380 if (scsi_status
& SS_SENSE_LEN_VALID
)
1381 sense_len
= le32_to_cpu(sts24
->sense_len
);
1382 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
)
1383 rsp_info_len
= le32_to_cpu(sts24
->rsp_data_len
);
1384 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
))
1385 resid_len
= le32_to_cpu(sts24
->rsp_residual_count
);
1386 if (comp_status
== CS_DATA_UNDERRUN
)
1387 fw_resid_len
= le32_to_cpu(sts24
->residual_len
);
1388 rsp_info
= sts24
->data
;
1389 sense_data
= sts24
->data
;
1390 host_to_fcp_swap(sts24
->data
, sizeof(sts24
->data
));
1392 if (scsi_status
& SS_SENSE_LEN_VALID
)
1393 sense_len
= le16_to_cpu(sts
->req_sense_length
);
1394 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
)
1395 rsp_info_len
= le16_to_cpu(sts
->rsp_info_len
);
1396 resid_len
= le32_to_cpu(sts
->residual_length
);
1397 rsp_info
= sts
->rsp_info
;
1398 sense_data
= sts
->req_sense_data
;
1401 /* Check for any FCP transport errors. */
1402 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
) {
1403 /* Sense data lies beyond any FCP RESPONSE data. */
1404 if (IS_FWI2_CAPABLE(ha
))
1405 sense_data
+= rsp_info_len
;
1406 if (rsp_info_len
> 3 && rsp_info
[3]) {
1407 DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
1408 "failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
1409 "retrying command\n", vha
->host_no
,
1410 cp
->device
->channel
, cp
->device
->id
,
1411 cp
->device
->lun
, rsp_info_len
, rsp_info
[0],
1412 rsp_info
[1], rsp_info
[2], rsp_info
[3], rsp_info
[4],
1413 rsp_info
[5], rsp_info
[6], rsp_info
[7]));
1415 cp
->result
= DID_BUS_BUSY
<< 16;
1416 qla2x00_sp_compl(ha
, sp
);
1421 /* Check for overrun. */
1422 if (IS_FWI2_CAPABLE(ha
) && comp_status
== CS_COMPLETE
&&
1423 scsi_status
& SS_RESIDUAL_OVER
)
1424 comp_status
= CS_DATA_OVERRUN
;
1427 * Based on Host and scsi status generate status code for Linux
1429 switch (comp_status
) {
1432 if (scsi_status
== 0) {
1433 cp
->result
= DID_OK
<< 16;
1436 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
)) {
1438 scsi_set_resid(cp
, resid
);
1440 if (!lscsi_status
&&
1441 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1443 qla_printk(KERN_INFO
, ha
,
1444 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1445 "detected (%x of %x bytes)...returning "
1446 "error status.\n", vha
->host_no
,
1447 cp
->device
->channel
, cp
->device
->id
,
1448 cp
->device
->lun
, resid
,
1451 cp
->result
= DID_ERROR
<< 16;
1455 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1457 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1458 DEBUG2(printk(KERN_INFO
1459 "scsi(%ld): QUEUE FULL status detected "
1460 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1464 if (lscsi_status
!= SS_CHECK_CONDITION
)
1467 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1468 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1471 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1474 case CS_DATA_UNDERRUN
:
1475 DEBUG2(printk(KERN_INFO
1476 "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x. "
1477 "resid=0x%x fw_resid=0x%x cdb=0x%x os_underflow=0x%x\n",
1478 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
, comp_status
,
1479 scsi_status
, resid_len
, fw_resid_len
, cp
->cmnd
[0],
1482 /* Use F/W calculated residual length. */
1483 resid
= IS_FWI2_CAPABLE(ha
) ? fw_resid_len
: resid_len
;
1484 scsi_set_resid(cp
, resid
);
1485 if (scsi_status
& SS_RESIDUAL_UNDER
) {
1486 if (IS_FWI2_CAPABLE(ha
) && fw_resid_len
!= resid_len
) {
1488 "scsi(%ld:%d:%d:%d) Dropped frame(s) "
1489 "detected (%x of %x bytes)...residual "
1490 "length mismatch...retrying command.\n",
1491 vha
->host_no
, cp
->device
->channel
,
1492 cp
->device
->id
, cp
->device
->lun
, resid
,
1495 cp
->result
= DID_ERROR
<< 16 | lscsi_status
;
1499 if (!lscsi_status
&&
1500 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1502 qla_printk(KERN_INFO
, ha
,
1503 "scsi(%ld:%d:%d:%d): Mid-layer underflow "
1504 "detected (%x of %x bytes)...returning "
1505 "error status.\n", vha
->host_no
,
1506 cp
->device
->channel
, cp
->device
->id
,
1507 cp
->device
->lun
, resid
, scsi_bufflen(cp
));
1509 cp
->result
= DID_ERROR
<< 16;
1512 } else if (!lscsi_status
) {
1514 "scsi(%ld:%d:%d:%d) Dropped frame(s) detected "
1515 "(%x of %x bytes)...firmware reported underrun..."
1516 "retrying command.\n", vha
->host_no
,
1517 cp
->device
->channel
, cp
->device
->id
,
1518 cp
->device
->lun
, resid
, scsi_bufflen(cp
)));
1520 cp
->result
= DID_ERROR
<< 16;
1524 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1527 * Check to see if SCSI Status is non zero. If so report SCSI
1530 if (lscsi_status
!= 0) {
1531 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1532 DEBUG2(printk(KERN_INFO
1533 "scsi(%ld): QUEUE FULL status detected "
1534 "0x%x-0x%x.\n", vha
->host_no
, comp_status
,
1538 if (lscsi_status
!= SS_CHECK_CONDITION
)
1541 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1542 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1545 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1549 case CS_DATA_OVERRUN
:
1550 DEBUG2(printk(KERN_INFO
1551 "scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
1552 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
, comp_status
,
1554 DEBUG2(printk(KERN_INFO
1555 "CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
1556 cp
->cmnd
[0], cp
->cmnd
[1], cp
->cmnd
[2], cp
->cmnd
[3],
1557 cp
->cmnd
[4], cp
->cmnd
[5]));
1558 DEBUG2(printk(KERN_INFO
1559 "PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
1561 cp
->serial_number
, scsi_bufflen(cp
), resid_len
));
1563 cp
->result
= DID_ERROR
<< 16;
1566 case CS_PORT_LOGGED_OUT
:
1567 case CS_PORT_CONFIG_CHG
:
1570 case CS_PORT_UNAVAILABLE
:
1572 * If the port is in Target Down state, return all IOs for this
1573 * Target with DID_NO_CONNECT ELSE Queue the IOs in the
1576 DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
1577 "pid=%ld, compl status=0x%x, port state=0x%x\n",
1578 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
,
1579 cp
->serial_number
, comp_status
,
1580 atomic_read(&fcport
->state
)));
1583 * We are going to have the fc class block the rport
1584 * while we try to recover so instruct the mid layer
1585 * to requeue until the class decides how to handle this.
1587 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1588 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1589 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1593 DEBUG2(printk(KERN_INFO
1594 "scsi(%ld): RESET status detected 0x%x-0x%x.\n",
1595 vha
->host_no
, comp_status
, scsi_status
));
1597 cp
->result
= DID_RESET
<< 16;
1602 * hv2.19.12 - DID_ABORT does not retry the request if we
1603 * aborted this request then abort otherwise it must be a
1606 DEBUG2(printk(KERN_INFO
1607 "scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
1608 vha
->host_no
, comp_status
, scsi_status
));
1610 cp
->result
= DID_RESET
<< 16;
1615 * We are going to have the fc class block the rport
1616 * while we try to recover so instruct the mid layer
1617 * to requeue until the class decides how to handle this.
1619 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1621 if (IS_FWI2_CAPABLE(ha
)) {
1622 DEBUG2(printk(KERN_INFO
1623 "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
1624 "0x%x-0x%x\n", vha
->host_no
, cp
->device
->channel
,
1625 cp
->device
->id
, cp
->device
->lun
, comp_status
,
1629 DEBUG2(printk(KERN_INFO
1630 "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
1631 "sflags=%x.\n", vha
->host_no
, cp
->device
->channel
,
1632 cp
->device
->id
, cp
->device
->lun
, comp_status
, scsi_status
,
1633 le16_to_cpu(sts
->status_flags
)));
1635 /* Check to see if logout occurred. */
1636 if ((le16_to_cpu(sts
->status_flags
) & SF_LOGOUT_SENT
))
1637 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1641 DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
1642 "0x%x-0x%x.\n", vha
->host_no
, comp_status
, scsi_status
));
1643 qla_printk(KERN_INFO
, ha
,
1644 "Unknown status detected 0x%x-0x%x.\n",
1645 comp_status
, scsi_status
);
1647 cp
->result
= DID_ERROR
<< 16;
1651 /* Place command on done queue. */
1652 if (rsp
->status_srb
== NULL
)
1653 qla2x00_sp_compl(ha
, sp
);
1657 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1658 * @ha: SCSI driver HA context
1659 * @pkt: Entry pointer
1661 * Extended sense data.
1664 qla2x00_status_cont_entry(struct rsp_que
*rsp
, sts_cont_entry_t
*pkt
)
1666 uint8_t sense_sz
= 0;
1667 struct qla_hw_data
*ha
= rsp
->hw
;
1668 srb_t
*sp
= rsp
->status_srb
;
1669 struct scsi_cmnd
*cp
;
1671 if (sp
!= NULL
&& sp
->request_sense_length
!= 0) {
1674 DEBUG2(printk("%s(): Cmd already returned back to OS "
1675 "sp=%p.\n", __func__
, sp
));
1676 qla_printk(KERN_INFO
, ha
,
1677 "cmd is NULL: already returned to OS (sp=%p)\n",
1680 rsp
->status_srb
= NULL
;
1684 if (sp
->request_sense_length
> sizeof(pkt
->data
)) {
1685 sense_sz
= sizeof(pkt
->data
);
1687 sense_sz
= sp
->request_sense_length
;
1690 /* Move sense data. */
1691 if (IS_FWI2_CAPABLE(ha
))
1692 host_to_fcp_swap(pkt
->data
, sizeof(pkt
->data
));
1693 memcpy(sp
->request_sense_ptr
, pkt
->data
, sense_sz
);
1694 DEBUG5(qla2x00_dump_buffer(sp
->request_sense_ptr
, sense_sz
));
1696 sp
->request_sense_ptr
+= sense_sz
;
1697 sp
->request_sense_length
-= sense_sz
;
1699 /* Place command on done queue. */
1700 if (sp
->request_sense_length
== 0) {
1701 rsp
->status_srb
= NULL
;
1702 qla2x00_sp_compl(ha
, sp
);
1708 * qla2x00_error_entry() - Process an error entry.
1709 * @ha: SCSI driver HA context
1710 * @pkt: Entry pointer
1713 qla2x00_error_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, sts_entry_t
*pkt
)
1716 struct qla_hw_data
*ha
= vha
->hw
;
1717 uint32_t handle
= LSW(pkt
->handle
);
1718 uint16_t que
= MSW(pkt
->handle
);
1719 struct req_que
*req
= ha
->req_q_map
[que
];
1720 #if defined(QL_DEBUG_LEVEL_2)
1721 if (pkt
->entry_status
& RF_INV_E_ORDER
)
1722 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Order\n", __func__
);
1723 else if (pkt
->entry_status
& RF_INV_E_COUNT
)
1724 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Count\n", __func__
);
1725 else if (pkt
->entry_status
& RF_INV_E_PARAM
)
1726 qla_printk(KERN_ERR
, ha
,
1727 "%s: Invalid Entry Parameter\n", __func__
);
1728 else if (pkt
->entry_status
& RF_INV_E_TYPE
)
1729 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Type\n", __func__
);
1730 else if (pkt
->entry_status
& RF_BUSY
)
1731 qla_printk(KERN_ERR
, ha
, "%s: Busy\n", __func__
);
1733 qla_printk(KERN_ERR
, ha
, "%s: UNKNOWN flag error\n", __func__
);
1736 /* Validate handle. */
1737 if (handle
< MAX_OUTSTANDING_COMMANDS
)
1738 sp
= req
->outstanding_cmds
[handle
];
1743 /* Free outstanding command slot. */
1744 req
->outstanding_cmds
[handle
] = NULL
;
1746 /* Bad payload or header */
1747 if (pkt
->entry_status
&
1748 (RF_INV_E_ORDER
| RF_INV_E_COUNT
|
1749 RF_INV_E_PARAM
| RF_INV_E_TYPE
)) {
1750 sp
->cmd
->result
= DID_ERROR
<< 16;
1751 } else if (pkt
->entry_status
& RF_BUSY
) {
1752 sp
->cmd
->result
= DID_BUS_BUSY
<< 16;
1754 sp
->cmd
->result
= DID_ERROR
<< 16;
1756 qla2x00_sp_compl(ha
, sp
);
1758 } else if (pkt
->entry_type
== COMMAND_A64_TYPE
|| pkt
->entry_type
==
1759 COMMAND_TYPE
|| pkt
->entry_type
== COMMAND_TYPE_7
) {
1760 DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
1762 qla_printk(KERN_WARNING
, ha
,
1763 "Error entry - invalid handle\n");
1765 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1766 qla2xxx_wake_dpc(vha
);
1771 * qla24xx_mbx_completion() - Process mailbox command completions.
1772 * @ha: SCSI driver HA context
1773 * @mb0: Mailbox0 register
1776 qla24xx_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
1779 uint16_t __iomem
*wptr
;
1780 struct qla_hw_data
*ha
= vha
->hw
;
1781 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1783 /* Load return mailbox registers. */
1784 ha
->flags
.mbox_int
= 1;
1785 ha
->mailbox_out
[0] = mb0
;
1786 wptr
= (uint16_t __iomem
*)®
->mailbox1
;
1788 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
1789 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
1794 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
1795 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
1797 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
1798 __func__
, vha
->host_no
));
1803 * qla24xx_process_response_queue() - Process response queue entries.
1804 * @ha: SCSI driver HA context
1806 void qla24xx_process_response_queue(struct scsi_qla_host
*vha
,
1807 struct rsp_que
*rsp
)
1809 struct sts_entry_24xx
*pkt
;
1811 if (!vha
->flags
.online
)
1814 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1815 pkt
= (struct sts_entry_24xx
*)rsp
->ring_ptr
;
1818 if (rsp
->ring_index
== rsp
->length
) {
1819 rsp
->ring_index
= 0;
1820 rsp
->ring_ptr
= rsp
->ring
;
1825 if (pkt
->entry_status
!= 0) {
1826 DEBUG3(printk(KERN_INFO
1827 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1829 qla2x00_error_entry(vha
, rsp
, (sts_entry_t
*) pkt
);
1830 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1835 switch (pkt
->entry_type
) {
1837 qla2x00_status_entry(vha
, rsp
, pkt
);
1839 case STATUS_CONT_TYPE
:
1840 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1842 case VP_RPT_ID_IOCB_TYPE
:
1843 qla24xx_report_id_acquisition(vha
,
1844 (struct vp_rpt_id_entry_24xx
*)pkt
);
1846 case LOGINOUT_PORT_IOCB_TYPE
:
1847 qla24xx_logio_entry(vha
, rsp
->req
,
1848 (struct logio_entry_24xx
*)pkt
);
1851 qla24xx_els_ct_entry(vha
, rsp
->req
, pkt
, CT_IOCB_TYPE
);
1852 clear_bit(MBX_INTERRUPT
, &vha
->hw
->mbx_cmd_flags
);
1855 qla24xx_els_ct_entry(vha
, rsp
->req
, pkt
, ELS_IOCB_TYPE
);
1858 /* Type Not Supported. */
1859 DEBUG4(printk(KERN_WARNING
1860 "scsi(%ld): Received unknown response pkt type %x "
1861 "entry status=%x.\n",
1862 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1865 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1869 /* Adjust ring index */
1870 WRT_REG_DWORD(rsp
->rsp_q_out
, rsp
->ring_index
);
1874 qla2xxx_check_risc_status(scsi_qla_host_t
*vha
)
1878 struct qla_hw_data
*ha
= vha
->hw
;
1879 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1881 if (!IS_QLA25XX(ha
) && !IS_QLA81XX(ha
))
1885 WRT_REG_DWORD(®
->iobase_addr
, 0x7C00);
1886 RD_REG_DWORD(®
->iobase_addr
);
1887 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1888 for (cnt
= 10000; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1889 rval
== QLA_SUCCESS
; cnt
--) {
1891 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1894 rval
= QLA_FUNCTION_TIMEOUT
;
1896 if (rval
== QLA_SUCCESS
)
1899 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1900 for (cnt
= 100; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1901 rval
== QLA_SUCCESS
; cnt
--) {
1903 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1906 rval
= QLA_FUNCTION_TIMEOUT
;
1908 if (rval
!= QLA_SUCCESS
)
1912 if (RD_REG_DWORD(®
->iobase_c8
) & BIT_3
)
1913 qla_printk(KERN_INFO
, ha
, "Additional code -- 0x55AA.\n");
1916 WRT_REG_DWORD(®
->iobase_window
, 0x0000);
1917 RD_REG_DWORD(®
->iobase_window
);
1921 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
1923 * @dev_id: SCSI driver HA context
1925 * Called by system whenever the host adapter generates an interrupt.
1927 * Returns handled flag.
1930 qla24xx_intr_handler(int irq
, void *dev_id
)
1932 scsi_qla_host_t
*vha
;
1933 struct qla_hw_data
*ha
;
1934 struct device_reg_24xx __iomem
*reg
;
1940 struct rsp_que
*rsp
;
1941 unsigned long flags
;
1943 rsp
= (struct rsp_que
*) dev_id
;
1946 "%s(): NULL response queue pointer\n", __func__
);
1951 reg
= &ha
->iobase
->isp24
;
1954 if (unlikely(pci_channel_offline(ha
->pdev
)))
1957 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1958 vha
= pci_get_drvdata(ha
->pdev
);
1959 for (iter
= 50; iter
--; ) {
1960 stat
= RD_REG_DWORD(®
->host_status
);
1961 if (stat
& HSRX_RISC_PAUSED
) {
1962 if (unlikely(pci_channel_offline(ha
->pdev
)))
1965 hccr
= RD_REG_DWORD(®
->hccr
);
1967 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
1968 "Dumping firmware!\n", hccr
);
1970 qla2xxx_check_risc_status(vha
);
1972 ha
->isp_ops
->fw_dump(vha
, 1);
1973 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1975 } else if ((stat
& HSRX_RISC_INT
) == 0)
1978 switch (stat
& 0xff) {
1983 qla24xx_mbx_completion(vha
, MSW(stat
));
1984 status
|= MBX_INTERRUPT
;
1989 mb
[1] = RD_REG_WORD(®
->mailbox1
);
1990 mb
[2] = RD_REG_WORD(®
->mailbox2
);
1991 mb
[3] = RD_REG_WORD(®
->mailbox3
);
1992 qla2x00_async_event(vha
, rsp
, mb
);
1996 qla24xx_process_response_queue(vha
, rsp
);
1999 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
2001 vha
->host_no
, stat
& 0xff));
2004 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2005 RD_REG_DWORD_RELAXED(®
->hccr
);
2007 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2009 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
2010 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
2011 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
2012 complete(&ha
->mbx_intr_comp
);
2019 qla24xx_msix_rsp_q(int irq
, void *dev_id
)
2021 struct qla_hw_data
*ha
;
2022 struct rsp_que
*rsp
;
2023 struct device_reg_24xx __iomem
*reg
;
2024 struct scsi_qla_host
*vha
;
2025 unsigned long flags
;
2027 rsp
= (struct rsp_que
*) dev_id
;
2030 "%s(): NULL response queue pointer\n", __func__
);
2034 reg
= &ha
->iobase
->isp24
;
2036 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2038 vha
= pci_get_drvdata(ha
->pdev
);
2039 qla24xx_process_response_queue(vha
, rsp
);
2040 if (!ha
->flags
.disable_msix_handshake
) {
2041 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2042 RD_REG_DWORD_RELAXED(®
->hccr
);
2044 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2050 qla25xx_msix_rsp_q(int irq
, void *dev_id
)
2052 struct qla_hw_data
*ha
;
2053 struct rsp_que
*rsp
;
2054 struct device_reg_24xx __iomem
*reg
;
2055 unsigned long flags
;
2057 rsp
= (struct rsp_que
*) dev_id
;
2060 "%s(): NULL response queue pointer\n", __func__
);
2065 /* Clear the interrupt, if enabled, for this response queue */
2066 if (rsp
->options
& ~BIT_6
) {
2067 reg
= &ha
->iobase
->isp24
;
2068 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2069 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2070 RD_REG_DWORD_RELAXED(®
->hccr
);
2071 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2073 queue_work_on((int) (rsp
->id
- 1), ha
->wq
, &rsp
->q_work
);
2079 qla24xx_msix_default(int irq
, void *dev_id
)
2081 scsi_qla_host_t
*vha
;
2082 struct qla_hw_data
*ha
;
2083 struct rsp_que
*rsp
;
2084 struct device_reg_24xx __iomem
*reg
;
2089 unsigned long flags
;
2091 rsp
= (struct rsp_que
*) dev_id
;
2094 "%s(): NULL response queue pointer\n", __func__
));
2098 reg
= &ha
->iobase
->isp24
;
2101 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2102 vha
= pci_get_drvdata(ha
->pdev
);
2104 stat
= RD_REG_DWORD(®
->host_status
);
2105 if (stat
& HSRX_RISC_PAUSED
) {
2106 if (unlikely(pci_channel_offline(ha
->pdev
)))
2109 hccr
= RD_REG_DWORD(®
->hccr
);
2111 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
2112 "Dumping firmware!\n", hccr
);
2114 qla2xxx_check_risc_status(vha
);
2116 ha
->isp_ops
->fw_dump(vha
, 1);
2117 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
2119 } else if ((stat
& HSRX_RISC_INT
) == 0)
2122 switch (stat
& 0xff) {
2127 qla24xx_mbx_completion(vha
, MSW(stat
));
2128 status
|= MBX_INTERRUPT
;
2133 mb
[1] = RD_REG_WORD(®
->mailbox1
);
2134 mb
[2] = RD_REG_WORD(®
->mailbox2
);
2135 mb
[3] = RD_REG_WORD(®
->mailbox3
);
2136 qla2x00_async_event(vha
, rsp
, mb
);
2140 qla24xx_process_response_queue(vha
, rsp
);
2143 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
2145 vha
->host_no
, stat
& 0xff));
2148 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2150 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2152 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
2153 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
2154 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
2155 complete(&ha
->mbx_intr_comp
);
2160 /* Interrupt handling helpers. */
2162 struct qla_init_msix_entry
{
2164 irq_handler_t handler
;
2167 static struct qla_init_msix_entry msix_entries
[3] = {
2168 { "qla2xxx (default)", qla24xx_msix_default
},
2169 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q
},
2170 { "qla2xxx (multiq)", qla25xx_msix_rsp_q
},
2174 qla24xx_disable_msix(struct qla_hw_data
*ha
)
2177 struct qla_msix_entry
*qentry
;
2179 for (i
= 0; i
< ha
->msix_count
; i
++) {
2180 qentry
= &ha
->msix_entries
[i
];
2181 if (qentry
->have_irq
)
2182 free_irq(qentry
->vector
, qentry
->rsp
);
2184 pci_disable_msix(ha
->pdev
);
2185 kfree(ha
->msix_entries
);
2186 ha
->msix_entries
= NULL
;
2187 ha
->flags
.msix_enabled
= 0;
2191 qla24xx_enable_msix(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
2193 #define MIN_MSIX_COUNT 2
2195 struct msix_entry
*entries
;
2196 struct qla_msix_entry
*qentry
;
2198 entries
= kzalloc(sizeof(struct msix_entry
) * ha
->msix_count
,
2203 for (i
= 0; i
< ha
->msix_count
; i
++)
2204 entries
[i
].entry
= i
;
2206 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
2208 if (ret
< MIN_MSIX_COUNT
)
2211 qla_printk(KERN_WARNING
, ha
,
2212 "MSI-X: Failed to enable support -- %d/%d\n"
2213 " Retry with %d vectors\n", ha
->msix_count
, ret
, ret
);
2214 ha
->msix_count
= ret
;
2215 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
2218 qla_printk(KERN_WARNING
, ha
, "MSI-X: Failed to enable"
2219 " support, giving up -- %d/%d\n",
2220 ha
->msix_count
, ret
);
2223 ha
->max_rsp_queues
= ha
->msix_count
- 1;
2225 ha
->msix_entries
= kzalloc(sizeof(struct qla_msix_entry
) *
2226 ha
->msix_count
, GFP_KERNEL
);
2227 if (!ha
->msix_entries
) {
2231 ha
->flags
.msix_enabled
= 1;
2233 for (i
= 0; i
< ha
->msix_count
; i
++) {
2234 qentry
= &ha
->msix_entries
[i
];
2235 qentry
->vector
= entries
[i
].vector
;
2236 qentry
->entry
= entries
[i
].entry
;
2237 qentry
->have_irq
= 0;
2241 /* Enable MSI-X vectors for the base queue */
2242 for (i
= 0; i
< 2; i
++) {
2243 qentry
= &ha
->msix_entries
[i
];
2244 ret
= request_irq(qentry
->vector
, msix_entries
[i
].handler
,
2245 0, msix_entries
[i
].name
, rsp
);
2247 qla_printk(KERN_WARNING
, ha
,
2248 "MSI-X: Unable to register handler -- %x/%d.\n",
2249 qentry
->vector
, ret
);
2250 qla24xx_disable_msix(ha
);
2254 qentry
->have_irq
= 1;
2259 /* Enable MSI-X vector for response queue update for queue 0 */
2260 if (ha
->mqiobase
&& (ha
->max_rsp_queues
> 1 || ha
->max_req_queues
> 1))
2269 qla2x00_request_irqs(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
2272 device_reg_t __iomem
*reg
= ha
->iobase
;
2274 /* If possible, enable MSI-X. */
2275 if (!IS_QLA2432(ha
) && !IS_QLA2532(ha
) &&
2276 !IS_QLA8432(ha
) && !IS_QLA8001(ha
))
2279 if (IS_QLA2432(ha
) && (ha
->pdev
->revision
< QLA_MSIX_CHIP_REV_24XX
||
2280 !QLA_MSIX_FW_MODE_1(ha
->fw_attributes
))) {
2281 DEBUG2(qla_printk(KERN_WARNING
, ha
,
2282 "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
2283 ha
->pdev
->revision
, ha
->fw_attributes
));
2288 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_HP
&&
2289 (ha
->pdev
->subsystem_device
== 0x7040 ||
2290 ha
->pdev
->subsystem_device
== 0x7041 ||
2291 ha
->pdev
->subsystem_device
== 0x1705)) {
2292 DEBUG2(qla_printk(KERN_WARNING
, ha
,
2293 "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n",
2294 ha
->pdev
->subsystem_vendor
,
2295 ha
->pdev
->subsystem_device
));
2300 ret
= qla24xx_enable_msix(ha
, rsp
);
2302 DEBUG2(qla_printk(KERN_INFO
, ha
,
2303 "MSI-X: Enabled (0x%X, 0x%X).\n", ha
->chip_revision
,
2304 ha
->fw_attributes
));
2305 goto clear_risc_ints
;
2307 qla_printk(KERN_WARNING
, ha
,
2308 "MSI-X: Falling back-to INTa mode -- %d.\n", ret
);
2311 if (!IS_QLA24XX(ha
) && !IS_QLA2532(ha
) && !IS_QLA8432(ha
) &&
2315 ret
= pci_enable_msi(ha
->pdev
);
2317 DEBUG2(qla_printk(KERN_INFO
, ha
, "MSI: Enabled.\n"));
2318 ha
->flags
.msi_enabled
= 1;
2322 ret
= request_irq(ha
->pdev
->irq
, ha
->isp_ops
->intr_handler
,
2323 IRQF_SHARED
, QLA2XXX_DRIVER_NAME
, rsp
);
2325 qla_printk(KERN_WARNING
, ha
,
2326 "Failed to reserve interrupt %d already in use.\n",
2330 ha
->flags
.inta_enabled
= 1;
2334 * FIXME: Noted that 8014s were being dropped during NK testing.
2335 * Timing deltas during MSI-X/INTa transitions?
2339 spin_lock_irq(&ha
->hardware_lock
);
2340 if (IS_FWI2_CAPABLE(ha
)) {
2341 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
2342 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
2344 WRT_REG_WORD(®
->isp
.semaphore
, 0);
2345 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
2346 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
2348 spin_unlock_irq(&ha
->hardware_lock
);
2355 qla2x00_free_irqs(scsi_qla_host_t
*vha
)
2357 struct qla_hw_data
*ha
= vha
->hw
;
2358 struct rsp_que
*rsp
= ha
->rsp_q_map
[0];
2360 if (ha
->flags
.msix_enabled
)
2361 qla24xx_disable_msix(ha
);
2362 else if (ha
->flags
.msi_enabled
) {
2363 free_irq(ha
->pdev
->irq
, rsp
);
2364 pci_disable_msi(ha
->pdev
);
2366 free_irq(ha
->pdev
->irq
, rsp
);
2370 int qla25xx_request_irq(struct rsp_que
*rsp
)
2372 struct qla_hw_data
*ha
= rsp
->hw
;
2373 struct qla_init_msix_entry
*intr
= &msix_entries
[2];
2374 struct qla_msix_entry
*msix
= rsp
->msix
;
2377 ret
= request_irq(msix
->vector
, intr
->handler
, 0, intr
->name
, rsp
);
2379 qla_printk(KERN_WARNING
, ha
,
2380 "MSI-X: Unable to register handler -- %x/%d.\n",