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>
13 #include <scsi/scsi_eh.h>
15 static void qla2x00_mbx_completion(scsi_qla_host_t
*, uint16_t);
16 static void qla2x00_process_completed_request(struct scsi_qla_host
*,
17 struct req_que
*, uint32_t);
18 static void qla2x00_status_entry(scsi_qla_host_t
*, struct rsp_que
*, void *);
19 static void qla2x00_status_cont_entry(struct rsp_que
*, sts_cont_entry_t
*);
20 static void qla2x00_error_entry(scsi_qla_host_t
*, struct rsp_que
*,
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
26 * @dev_id: SCSI driver HA context
28 * Called by system whenever the host adapter generates an interrupt.
30 * Returns handled flag.
33 qla2100_intr_handler(int irq
, void *dev_id
)
36 struct qla_hw_data
*ha
;
37 struct device_reg_2xxx __iomem
*reg
;
45 rsp
= (struct rsp_que
*) dev_id
;
48 "%s(): NULL response queue pointer\n", __func__
);
53 reg
= &ha
->iobase
->isp
;
56 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
57 vha
= pci_get_drvdata(ha
->pdev
);
58 for (iter
= 50; iter
--; ) {
59 hccr
= RD_REG_WORD(®
->hccr
);
60 if (hccr
& HCCR_RISC_PAUSE
) {
61 if (pci_channel_offline(ha
->pdev
))
65 * Issue a "HARD" reset in order for the RISC interrupt
66 * bit to be cleared. Schedule a big hammmer to get
67 * out of the RISC PAUSED state.
69 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
70 RD_REG_WORD(®
->hccr
);
72 ha
->isp_ops
->fw_dump(vha
, 1);
73 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
75 } else if ((RD_REG_WORD(®
->istatus
) & ISR_RISC_INT
) == 0)
78 if (RD_REG_WORD(®
->semaphore
) & BIT_0
) {
79 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
80 RD_REG_WORD(®
->hccr
);
82 /* Get mailbox data. */
83 mb
[0] = RD_MAILBOX_REG(ha
, reg
, 0);
84 if (mb
[0] > 0x3fff && mb
[0] < 0x8000) {
85 qla2x00_mbx_completion(vha
, mb
[0]);
86 status
|= MBX_INTERRUPT
;
87 } else if (mb
[0] > 0x7fff && mb
[0] < 0xc000) {
88 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
89 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
90 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
91 qla2x00_async_event(vha
, rsp
, mb
);
94 DEBUG2(printk("scsi(%ld): Unrecognized "
95 "interrupt type (%d).\n",
96 vha
->host_no
, mb
[0]));
98 /* Release mailbox registers. */
99 WRT_REG_WORD(®
->semaphore
, 0);
100 RD_REG_WORD(®
->semaphore
);
102 qla2x00_process_response_queue(rsp
);
104 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
105 RD_REG_WORD(®
->hccr
);
108 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
110 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
111 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
112 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
113 complete(&ha
->mbx_intr_comp
);
116 return (IRQ_HANDLED
);
120 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
122 * @dev_id: SCSI driver HA context
124 * Called by system whenever the host adapter generates an interrupt.
126 * Returns handled flag.
129 qla2300_intr_handler(int irq
, void *dev_id
)
131 scsi_qla_host_t
*vha
;
132 struct device_reg_2xxx __iomem
*reg
;
139 struct qla_hw_data
*ha
;
142 rsp
= (struct rsp_que
*) dev_id
;
145 "%s(): NULL response queue pointer\n", __func__
);
150 reg
= &ha
->iobase
->isp
;
153 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
154 vha
= pci_get_drvdata(ha
->pdev
);
155 for (iter
= 50; iter
--; ) {
156 stat
= RD_REG_DWORD(®
->u
.isp2300
.host_status
);
157 if (stat
& HSR_RISC_PAUSED
) {
158 if (unlikely(pci_channel_offline(ha
->pdev
)))
161 hccr
= RD_REG_WORD(®
->hccr
);
162 if (hccr
& (BIT_15
| BIT_13
| BIT_11
| BIT_8
))
163 qla_printk(KERN_INFO
, ha
, "Parity error -- "
164 "HCCR=%x, Dumping firmware!\n", hccr
);
166 qla_printk(KERN_INFO
, ha
, "RISC paused -- "
167 "HCCR=%x, Dumping firmware!\n", hccr
);
170 * Issue a "HARD" reset in order for the RISC
171 * interrupt bit to be cleared. Schedule a big
172 * hammmer to get out of the RISC PAUSED state.
174 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
175 RD_REG_WORD(®
->hccr
);
177 ha
->isp_ops
->fw_dump(vha
, 1);
178 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
180 } else if ((stat
& HSR_RISC_INT
) == 0)
183 switch (stat
& 0xff) {
188 qla2x00_mbx_completion(vha
, MSW(stat
));
189 status
|= MBX_INTERRUPT
;
191 /* Release mailbox registers. */
192 WRT_REG_WORD(®
->semaphore
, 0);
196 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
197 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
198 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
199 qla2x00_async_event(vha
, rsp
, mb
);
202 qla2x00_process_response_queue(rsp
);
205 mb
[0] = MBA_CMPLT_1_16BIT
;
207 qla2x00_async_event(vha
, rsp
, mb
);
210 mb
[0] = MBA_SCSI_COMPLETION
;
212 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
213 qla2x00_async_event(vha
, rsp
, mb
);
216 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
218 vha
->host_no
, stat
& 0xff));
221 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
222 RD_REG_WORD_RELAXED(®
->hccr
);
224 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
226 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
227 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
228 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
229 complete(&ha
->mbx_intr_comp
);
232 return (IRQ_HANDLED
);
236 * qla2x00_mbx_completion() - Process mailbox command completions.
237 * @ha: SCSI driver HA context
238 * @mb0: Mailbox0 register
241 qla2x00_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
244 uint16_t __iomem
*wptr
;
245 struct qla_hw_data
*ha
= vha
->hw
;
246 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
248 /* Load return mailbox registers. */
249 ha
->flags
.mbox_int
= 1;
250 ha
->mailbox_out
[0] = mb0
;
251 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 1);
253 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
254 if (IS_QLA2200(ha
) && cnt
== 8)
255 wptr
= (uint16_t __iomem
*)MAILBOX_REG(ha
, reg
, 8);
256 if (cnt
== 4 || cnt
== 5)
257 ha
->mailbox_out
[cnt
] = qla2x00_debounce_register(wptr
);
259 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
265 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
266 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
268 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
269 __func__
, vha
->host_no
));
274 qla81xx_idc_event(scsi_qla_host_t
*vha
, uint16_t aen
, uint16_t descr
)
276 static char *event
[] =
277 { "Complete", "Request Notification", "Time Extension" };
279 struct device_reg_24xx __iomem
*reg24
= &vha
->hw
->iobase
->isp24
;
280 uint16_t __iomem
*wptr
;
281 uint16_t cnt
, timeout
, mb
[QLA_IDC_ACK_REGS
];
283 /* Seed data -- mailbox1 -> mailbox7. */
284 wptr
= (uint16_t __iomem
*)®24
->mailbox1
;
285 for (cnt
= 0; cnt
< QLA_IDC_ACK_REGS
; cnt
++, wptr
++)
286 mb
[cnt
] = RD_REG_WORD(wptr
);
288 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
289 "%04x %04x %04x %04x %04x %04x %04x.\n", vha
->host_no
,
291 mb
[0], mb
[1], mb
[2], mb
[3], mb
[4], mb
[5], mb
[6]));
293 /* Acknowledgement needed? [Notify && non-zero timeout]. */
294 timeout
= (descr
>> 8) & 0xf;
295 if (aen
!= MBA_IDC_NOTIFY
|| !timeout
)
298 DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
299 "ACK timeout=%d.\n", vha
->host_no
, event
[aen
& 0xff], timeout
));
301 rval
= qla2x00_post_idc_ack_work(vha
, mb
);
302 if (rval
!= QLA_SUCCESS
)
303 qla_printk(KERN_WARNING
, vha
->hw
,
304 "IDC failed to post ACK.\n");
308 * qla2x00_async_event() - Process aynchronous events.
309 * @ha: SCSI driver HA context
310 * @mb: Mailbox registers (0 - 3)
313 qla2x00_async_event(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, uint16_t *mb
)
316 static char *link_speeds
[] = { "1", "2", "?", "4", "8", "10" };
321 struct qla_hw_data
*ha
= vha
->hw
;
322 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
323 struct device_reg_24xx __iomem
*reg24
= &ha
->iobase
->isp24
;
324 uint32_t rscn_entry
, host_pid
;
325 uint8_t rscn_queue_index
;
328 /* Setup to process RIO completion. */
330 if (IS_QLA8XXX_TYPE(ha
))
333 case MBA_SCSI_COMPLETION
:
334 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
337 case MBA_CMPLT_1_16BIT
:
340 mb
[0] = MBA_SCSI_COMPLETION
;
342 case MBA_CMPLT_2_16BIT
:
346 mb
[0] = MBA_SCSI_COMPLETION
;
348 case MBA_CMPLT_3_16BIT
:
353 mb
[0] = MBA_SCSI_COMPLETION
;
355 case MBA_CMPLT_4_16BIT
:
359 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
361 mb
[0] = MBA_SCSI_COMPLETION
;
363 case MBA_CMPLT_5_16BIT
:
367 handles
[3] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 6);
368 handles
[4] = (uint32_t)RD_MAILBOX_REG(ha
, reg
, 7);
370 mb
[0] = MBA_SCSI_COMPLETION
;
372 case MBA_CMPLT_2_32BIT
:
373 handles
[0] = le32_to_cpu((uint32_t)((mb
[2] << 16) | mb
[1]));
374 handles
[1] = le32_to_cpu(
375 ((uint32_t)(RD_MAILBOX_REG(ha
, reg
, 7) << 16)) |
376 RD_MAILBOX_REG(ha
, reg
, 6));
378 mb
[0] = MBA_SCSI_COMPLETION
;
385 case MBA_SCSI_COMPLETION
: /* Fast Post */
386 if (!vha
->flags
.online
)
389 for (cnt
= 0; cnt
< handle_cnt
; cnt
++)
390 qla2x00_process_completed_request(vha
, rsp
->req
,
394 case MBA_RESET
: /* Reset */
395 DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n",
398 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
401 case MBA_SYSTEM_ERR
: /* System Error */
402 mbx
= IS_QLA81XX(ha
) ? RD_REG_WORD(®24
->mailbox7
) : 0;
403 qla_printk(KERN_INFO
, ha
,
404 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
405 "mbx7=%xh.\n", mb
[1], mb
[2], mb
[3], mbx
);
407 ha
->isp_ops
->fw_dump(vha
, 1);
409 if (IS_FWI2_CAPABLE(ha
)) {
410 if (mb
[1] == 0 && mb
[2] == 0) {
411 qla_printk(KERN_ERR
, ha
,
412 "Unrecoverable Hardware Error: adapter "
413 "marked OFFLINE!\n");
414 vha
->flags
.online
= 0;
416 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
417 } else if (mb
[1] == 0) {
418 qla_printk(KERN_INFO
, ha
,
419 "Unrecoverable Hardware Error: adapter marked "
421 vha
->flags
.online
= 0;
423 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
426 case MBA_REQ_TRANSFER_ERR
: /* Request Transfer Error */
427 DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n",
428 vha
->host_no
, mb
[1]));
429 qla_printk(KERN_WARNING
, ha
,
430 "ISP Request Transfer Error (%x).\n", mb
[1]);
432 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
435 case MBA_RSP_TRANSFER_ERR
: /* Response Transfer Error */
436 DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
438 qla_printk(KERN_WARNING
, ha
, "ISP Response Transfer Error.\n");
440 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
443 case MBA_WAKEUP_THRES
: /* Request Queue Wake-up */
444 DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
448 case MBA_LIP_OCCURRED
: /* Loop Initialization Procedure */
449 DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha
->host_no
,
451 qla_printk(KERN_INFO
, ha
, "LIP occurred (%x).\n", mb
[1]);
453 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
454 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
455 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
456 qla2x00_mark_all_devices_lost(vha
, 1);
460 atomic_set(&vha
->vp_state
, VP_FAILED
);
461 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
464 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
465 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
467 vha
->flags
.management_server_logged_in
= 0;
468 qla2x00_post_aen_work(vha
, FCH_EVT_LIP
, mb
[1]);
471 case MBA_LOOP_UP
: /* Loop Up Event */
472 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
473 link_speed
= link_speeds
[0];
474 ha
->link_data_rate
= PORT_SPEED_1GB
;
476 link_speed
= link_speeds
[LS_UNKNOWN
];
478 link_speed
= link_speeds
[mb
[1]];
479 else if (mb
[1] == 0x13)
480 link_speed
= link_speeds
[5];
481 ha
->link_data_rate
= mb
[1];
484 DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
485 vha
->host_no
, link_speed
));
486 qla_printk(KERN_INFO
, ha
, "LOOP UP detected (%s Gbps).\n",
489 vha
->flags
.management_server_logged_in
= 0;
490 qla2x00_post_aen_work(vha
, FCH_EVT_LINKUP
, ha
->link_data_rate
);
493 case MBA_LOOP_DOWN
: /* Loop Down Event */
494 mbx
= IS_QLA81XX(ha
) ? RD_REG_WORD(®24
->mailbox4
) : 0;
495 DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
496 "(%x %x %x %x).\n", vha
->host_no
, mb
[1], mb
[2], mb
[3],
498 qla_printk(KERN_INFO
, ha
,
499 "LOOP DOWN detected (%x %x %x %x).\n", mb
[1], mb
[2], mb
[3],
502 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
503 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
504 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
505 vha
->device_flags
|= DFLG_NO_CABLE
;
506 qla2x00_mark_all_devices_lost(vha
, 1);
510 atomic_set(&vha
->vp_state
, VP_FAILED
);
511 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
514 vha
->flags
.management_server_logged_in
= 0;
515 ha
->link_data_rate
= PORT_SPEED_UNKNOWN
;
516 qla2x00_post_aen_work(vha
, FCH_EVT_LINKDOWN
, 0);
519 case MBA_LIP_RESET
: /* LIP reset occurred */
520 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
521 vha
->host_no
, mb
[1]));
522 qla_printk(KERN_INFO
, ha
,
523 "LIP reset occurred (%x).\n", mb
[1]);
525 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
526 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
527 atomic_set(&vha
->loop_down_timer
, LOOP_DOWN_TIME
);
528 qla2x00_mark_all_devices_lost(vha
, 1);
532 atomic_set(&vha
->vp_state
, VP_FAILED
);
533 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
536 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
538 ha
->operating_mode
= LOOP
;
539 vha
->flags
.management_server_logged_in
= 0;
540 qla2x00_post_aen_work(vha
, FCH_EVT_LIPRESET
, mb
[1]);
543 /* case MBA_DCBX_COMPLETE: */
544 case MBA_POINT_TO_POINT
: /* Point-to-Point */
548 if (IS_QLA8XXX_TYPE(ha
))
549 DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x "
550 "%04x\n", vha
->host_no
, mb
[1], mb
[2], mb
[3]));
552 DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE "
553 "received.\n", vha
->host_no
));
556 * Until there's a transition from loop down to loop up, treat
557 * this as loop down only.
559 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
560 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
561 if (!atomic_read(&vha
->loop_down_timer
))
562 atomic_set(&vha
->loop_down_timer
,
564 qla2x00_mark_all_devices_lost(vha
, 1);
568 atomic_set(&vha
->vp_state
, VP_FAILED
);
569 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
572 if (!(test_bit(ABORT_ISP_ACTIVE
, &vha
->dpc_flags
)))
573 set_bit(RESET_MARKER_NEEDED
, &vha
->dpc_flags
);
575 set_bit(REGISTER_FC4_NEEDED
, &vha
->dpc_flags
);
576 set_bit(REGISTER_FDMI_NEEDED
, &vha
->dpc_flags
);
578 ha
->flags
.gpsc_supported
= 1;
579 vha
->flags
.management_server_logged_in
= 0;
582 case MBA_CHG_IN_CONNECTION
: /* Change in connection mode */
586 DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
589 qla_printk(KERN_INFO
, ha
,
590 "Configuration change detected: value=%x.\n", mb
[1]);
592 if (atomic_read(&vha
->loop_state
) != LOOP_DOWN
) {
593 atomic_set(&vha
->loop_state
, LOOP_DOWN
);
594 if (!atomic_read(&vha
->loop_down_timer
))
595 atomic_set(&vha
->loop_down_timer
,
597 qla2x00_mark_all_devices_lost(vha
, 1);
601 atomic_set(&vha
->vp_state
, VP_FAILED
);
602 fc_vport_set_state(vha
->fc_vport
, FC_VPORT_FAILED
);
605 set_bit(LOOP_RESYNC_NEEDED
, &vha
->dpc_flags
);
606 set_bit(LOCAL_LOOP_UPDATE
, &vha
->dpc_flags
);
609 case MBA_PORT_UPDATE
: /* Port database update */
611 * Handle only global and vn-port update events
614 * mb[1] = N_Port handle of changed port
615 * OR 0xffff for global event
616 * mb[2] = New login state
617 * 7 = Port logged out
618 * mb[3] = LSB is vp_idx, 0xff = all vps
620 * Skip processing if:
621 * Event is global, vp_idx is NOT all vps,
622 * vp_idx does not match
623 * Event is not global, vp_idx does not match
625 if (IS_QLA2XXX_MIDTYPE(ha
) &&
626 ((mb
[1] == 0xffff && (mb
[3] & 0xff) != 0xff) ||
627 (mb
[1] != 0xffff)) && 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(0x%x)\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";
901 struct srb_iocb
*lio
;
906 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, mbx
);
911 lio
= ctx
->u
.iocb_cmd
;
914 data
= lio
->u
.logio
.data
;
916 data
[0] = MBS_COMMAND_ERROR
;
917 data
[1] = lio
->u
.logio
.flags
& SRB_LOGIN_RETRIED
?
918 QLA_LOGIO_LOGIN_RETRIED
: 0;
919 if (mbx
->entry_status
) {
920 DEBUG2(printk(KERN_WARNING
921 "scsi(%ld:%x): Async-%s error entry - entry-status=%x "
922 "status=%x state-flag=%x status-flags=%x.\n",
923 fcport
->vha
->host_no
, sp
->handle
, type
,
924 mbx
->entry_status
, le16_to_cpu(mbx
->status
),
925 le16_to_cpu(mbx
->state_flags
),
926 le16_to_cpu(mbx
->status_flags
)));
927 DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx
, sizeof(*mbx
)));
932 status
= le16_to_cpu(mbx
->status
);
933 if (status
== 0x30 && ctx
->type
== SRB_LOGIN_CMD
&&
934 le16_to_cpu(mbx
->mb0
) == MBS_COMMAND_COMPLETE
)
936 if (!status
&& le16_to_cpu(mbx
->mb0
) == MBS_COMMAND_COMPLETE
) {
937 DEBUG2(printk(KERN_DEBUG
938 "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n",
939 fcport
->vha
->host_no
, sp
->handle
, type
,
940 le16_to_cpu(mbx
->mb1
)));
942 data
[0] = MBS_COMMAND_COMPLETE
;
943 if (ctx
->type
== SRB_LOGIN_CMD
) {
944 fcport
->port_type
= FCT_TARGET
;
945 if (le16_to_cpu(mbx
->mb1
) & BIT_0
)
946 fcport
->port_type
= FCT_INITIATOR
;
947 if (le16_to_cpu(mbx
->mb1
) & BIT_1
)
948 fcport
->flags
|= FCF_FCP2_DEVICE
;
953 data
[0] = le16_to_cpu(mbx
->mb0
);
955 case MBS_PORT_ID_USED
:
956 data
[1] = le16_to_cpu(mbx
->mb1
);
958 case MBS_LOOP_ID_USED
:
961 data
[0] = MBS_COMMAND_ERROR
;
965 DEBUG2(printk(KERN_WARNING
966 "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x "
968 fcport
->vha
->host_no
, sp
->handle
, type
, status
,
969 le16_to_cpu(mbx
->mb0
), le16_to_cpu(mbx
->mb1
),
970 le16_to_cpu(mbx
->mb2
), le16_to_cpu(mbx
->mb6
),
971 le16_to_cpu(mbx
->mb7
)));
978 qla24xx_els_ct_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
979 struct sts_entry_24xx
*pkt
, int iocb_type
)
981 const char func
[] = "ELS_CT_IOCB";
983 struct qla_hw_data
*ha
= vha
->hw
;
985 struct srb_ctx
*sp_bsg
;
986 struct fc_bsg_job
*bsg_job
;
987 uint16_t comp_status
;
988 uint32_t fw_status
[3];
991 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, pkt
);
995 bsg_job
= sp_bsg
->u
.bsg_job
;
998 switch (sp_bsg
->type
) {
999 case SRB_ELS_CMD_RPT
:
1000 case SRB_ELS_CMD_HST
:
1004 type
= "ct pass-through";
1007 qla_printk(KERN_WARNING
, ha
,
1008 "%s: Unrecognized SRB: (%p) type=%d.\n", func
, sp
,
1013 comp_status
= fw_status
[0] = le16_to_cpu(pkt
->comp_status
);
1014 fw_status
[1] = le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_1
);
1015 fw_status
[2] = le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_2
);
1017 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1018 * fc payload to the caller
1020 bsg_job
->reply
->reply_data
.ctels_reply
.status
= FC_CTELS_STATUS_OK
;
1021 bsg_job
->reply_len
= sizeof(struct fc_bsg_reply
) + sizeof(fw_status
);
1023 if (comp_status
!= CS_COMPLETE
) {
1024 if (comp_status
== CS_DATA_UNDERRUN
) {
1025 bsg_job
->reply
->result
= DID_OK
<< 16;
1026 bsg_job
->reply
->reply_payload_rcv_len
=
1027 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->total_byte_count
);
1029 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1030 "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
1031 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1032 vha
->host_no
, sp
->handle
, type
, comp_status
, fw_status
[1], fw_status
[2],
1033 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->total_byte_count
)));
1034 fw_sts_ptr
= ((uint8_t*)bsg_job
->req
->sense
) + sizeof(struct fc_bsg_reply
);
1035 memcpy( fw_sts_ptr
, fw_status
, sizeof(fw_status
));
1038 DEBUG2(qla_printk(KERN_WARNING
, ha
,
1039 "scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
1040 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1041 vha
->host_no
, sp
->handle
, type
, comp_status
,
1042 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_1
),
1043 le16_to_cpu(((struct els_sts_entry_24xx
*)pkt
)->error_subcode_2
)));
1044 bsg_job
->reply
->result
= DID_ERROR
<< 16;
1045 bsg_job
->reply
->reply_payload_rcv_len
= 0;
1046 fw_sts_ptr
= ((uint8_t*)bsg_job
->req
->sense
) + sizeof(struct fc_bsg_reply
);
1047 memcpy( fw_sts_ptr
, fw_status
, sizeof(fw_status
));
1049 DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt
, sizeof(*pkt
)));
1052 bsg_job
->reply
->result
= DID_OK
<< 16;;
1053 bsg_job
->reply
->reply_payload_rcv_len
= bsg_job
->reply_payload
.payload_len
;
1054 bsg_job
->reply_len
= 0;
1057 dma_unmap_sg(&ha
->pdev
->dev
,
1058 bsg_job
->request_payload
.sg_list
,
1059 bsg_job
->request_payload
.sg_cnt
, DMA_TO_DEVICE
);
1060 dma_unmap_sg(&ha
->pdev
->dev
,
1061 bsg_job
->reply_payload
.sg_list
,
1062 bsg_job
->reply_payload
.sg_cnt
, DMA_FROM_DEVICE
);
1063 if ((sp_bsg
->type
== SRB_ELS_CMD_HST
) ||
1064 (sp_bsg
->type
== SRB_CT_CMD
))
1067 mempool_free(sp
, ha
->srb_mempool
);
1068 bsg_job
->job_done(bsg_job
);
1072 qla24xx_logio_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
1073 struct logio_entry_24xx
*logio
)
1075 const char func
[] = "LOGIO-IOCB";
1079 struct srb_iocb
*lio
;
1080 struct srb_ctx
*ctx
;
1084 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, logio
);
1089 lio
= ctx
->u
.iocb_cmd
;
1091 fcport
= sp
->fcport
;
1092 data
= lio
->u
.logio
.data
;
1094 data
[0] = MBS_COMMAND_ERROR
;
1095 data
[1] = lio
->u
.logio
.flags
& SRB_LOGIN_RETRIED
?
1096 QLA_LOGIO_LOGIN_RETRIED
: 0;
1097 if (logio
->entry_status
) {
1098 DEBUG2(printk(KERN_WARNING
1099 "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
1100 fcport
->vha
->host_no
, sp
->handle
, type
,
1101 logio
->entry_status
));
1102 DEBUG2(qla2x00_dump_buffer((uint8_t *)logio
, sizeof(*logio
)));
1107 if (le16_to_cpu(logio
->comp_status
) == CS_COMPLETE
) {
1108 DEBUG2(printk(KERN_DEBUG
1109 "scsi(%ld:%x): Async-%s complete - iop0=%x.\n",
1110 fcport
->vha
->host_no
, sp
->handle
, type
,
1111 le32_to_cpu(logio
->io_parameter
[0])));
1113 data
[0] = MBS_COMMAND_COMPLETE
;
1114 if (ctx
->type
!= SRB_LOGIN_CMD
)
1117 iop
[0] = le32_to_cpu(logio
->io_parameter
[0]);
1118 if (iop
[0] & BIT_4
) {
1119 fcport
->port_type
= FCT_TARGET
;
1121 fcport
->flags
|= FCF_FCP2_DEVICE
;
1124 fcport
->port_type
= FCT_INITIATOR
;
1125 if (logio
->io_parameter
[7] || logio
->io_parameter
[8])
1126 fcport
->supported_classes
|= FC_COS_CLASS2
;
1127 if (logio
->io_parameter
[9] || logio
->io_parameter
[10])
1128 fcport
->supported_classes
|= FC_COS_CLASS3
;
1133 iop
[0] = le32_to_cpu(logio
->io_parameter
[0]);
1134 iop
[1] = le32_to_cpu(logio
->io_parameter
[1]);
1136 case LSC_SCODE_PORTID_USED
:
1137 data
[0] = MBS_PORT_ID_USED
;
1138 data
[1] = LSW(iop
[1]);
1140 case LSC_SCODE_NPORT_USED
:
1141 data
[0] = MBS_LOOP_ID_USED
;
1143 case LSC_SCODE_CMD_FAILED
:
1144 if ((iop
[1] & 0xff) == 0x05) {
1145 data
[0] = MBS_NOT_LOGGED_IN
;
1150 data
[0] = MBS_COMMAND_ERROR
;
1154 DEBUG2(printk(KERN_WARNING
1155 "scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n",
1156 fcport
->vha
->host_no
, sp
->handle
, type
,
1157 le16_to_cpu(logio
->comp_status
),
1158 le32_to_cpu(logio
->io_parameter
[0]),
1159 le32_to_cpu(logio
->io_parameter
[1])));
1166 qla24xx_tm_iocb_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
1167 struct tsk_mgmt_entry
*tsk
)
1169 const char func
[] = "TMF-IOCB";
1173 struct srb_iocb
*iocb
;
1174 struct srb_ctx
*ctx
;
1175 struct sts_entry_24xx
*sts
= (struct sts_entry_24xx
*)tsk
;
1178 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, tsk
);
1183 iocb
= ctx
->u
.iocb_cmd
;
1185 fcport
= sp
->fcport
;
1187 if (sts
->entry_status
) {
1188 DEBUG2(printk(KERN_WARNING
1189 "scsi(%ld:%x): Async-%s error - entry-status(%x).\n",
1190 fcport
->vha
->host_no
, sp
->handle
, type
,
1191 sts
->entry_status
));
1192 } else if (sts
->comp_status
!= __constant_cpu_to_le16(CS_COMPLETE
)) {
1193 DEBUG2(printk(KERN_WARNING
1194 "scsi(%ld:%x): Async-%s error - completion status(%x).\n",
1195 fcport
->vha
->host_no
, sp
->handle
, type
,
1197 } else if (!(le16_to_cpu(sts
->scsi_status
) &
1198 SS_RESPONSE_INFO_LEN_VALID
)) {
1199 DEBUG2(printk(KERN_WARNING
1200 "scsi(%ld:%x): Async-%s error - no response info(%x).\n",
1201 fcport
->vha
->host_no
, sp
->handle
, type
,
1203 } else if (le32_to_cpu(sts
->rsp_data_len
) < 4) {
1204 DEBUG2(printk(KERN_WARNING
1205 "scsi(%ld:%x): Async-%s error - not enough response(%d).\n",
1206 fcport
->vha
->host_no
, sp
->handle
, type
,
1207 sts
->rsp_data_len
));
1208 } else if (sts
->data
[3]) {
1209 DEBUG2(printk(KERN_WARNING
1210 "scsi(%ld:%x): Async-%s error - response(%x).\n",
1211 fcport
->vha
->host_no
, sp
->handle
, type
,
1218 iocb
->u
.tmf
.data
= error
;
1219 DEBUG2(qla2x00_dump_buffer((uint8_t *)sts
, sizeof(*sts
)));
1226 qla24xx_marker_iocb_entry(scsi_qla_host_t
*vha
, struct req_que
*req
,
1227 struct mrk_entry_24xx
*mrk
)
1229 const char func
[] = "MRK-IOCB";
1233 struct srb_iocb
*iocb
;
1234 struct srb_ctx
*ctx
;
1235 struct sts_entry_24xx
*sts
= (struct sts_entry_24xx
*)mrk
;
1237 sp
= qla2x00_get_sp_from_handle(vha
, func
, req
, mrk
);
1242 iocb
= ctx
->u
.iocb_cmd
;
1244 fcport
= sp
->fcport
;
1246 if (sts
->entry_status
) {
1247 iocb
->u
.marker
.data
= 1;
1248 DEBUG2(printk(KERN_WARNING
1249 "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
1250 fcport
->vha
->host_no
, sp
->handle
, type
,
1251 sts
->entry_status
));
1252 DEBUG2(qla2x00_dump_buffer((uint8_t *)mrk
, sizeof(*sts
)));
1259 * qla2x00_process_response_queue() - Process response queue entries.
1260 * @ha: SCSI driver HA context
1263 qla2x00_process_response_queue(struct rsp_que
*rsp
)
1265 struct scsi_qla_host
*vha
;
1266 struct qla_hw_data
*ha
= rsp
->hw
;
1267 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1269 uint16_t handle_cnt
;
1272 vha
= pci_get_drvdata(ha
->pdev
);
1274 if (!vha
->flags
.online
)
1277 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1278 pkt
= (sts_entry_t
*)rsp
->ring_ptr
;
1281 if (rsp
->ring_index
== rsp
->length
) {
1282 rsp
->ring_index
= 0;
1283 rsp
->ring_ptr
= rsp
->ring
;
1288 if (pkt
->entry_status
!= 0) {
1289 DEBUG3(printk(KERN_INFO
1290 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1292 qla2x00_error_entry(vha
, rsp
, pkt
);
1293 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1298 switch (pkt
->entry_type
) {
1300 qla2x00_status_entry(vha
, rsp
, pkt
);
1302 case STATUS_TYPE_21
:
1303 handle_cnt
= ((sts21_entry_t
*)pkt
)->handle_count
;
1304 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
1305 qla2x00_process_completed_request(vha
, rsp
->req
,
1306 ((sts21_entry_t
*)pkt
)->handle
[cnt
]);
1309 case STATUS_TYPE_22
:
1310 handle_cnt
= ((sts22_entry_t
*)pkt
)->handle_count
;
1311 for (cnt
= 0; cnt
< handle_cnt
; cnt
++) {
1312 qla2x00_process_completed_request(vha
, rsp
->req
,
1313 ((sts22_entry_t
*)pkt
)->handle
[cnt
]);
1316 case STATUS_CONT_TYPE
:
1317 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1320 qla2x00_mbx_iocb_entry(vha
, rsp
->req
,
1321 (struct mbx_entry
*)pkt
);
1324 /* Type Not Supported. */
1325 DEBUG4(printk(KERN_WARNING
1326 "scsi(%ld): Received unknown response pkt type %x "
1327 "entry status=%x.\n",
1328 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1331 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1335 /* Adjust ring index */
1336 WRT_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
), rsp
->ring_index
);
1340 qla2x00_handle_sense(srb_t
*sp
, uint8_t *sense_data
, uint32_t sense_len
,
1341 struct rsp_que
*rsp
)
1343 struct scsi_cmnd
*cp
= sp
->cmd
;
1345 if (sense_len
>= SCSI_SENSE_BUFFERSIZE
)
1346 sense_len
= SCSI_SENSE_BUFFERSIZE
;
1348 sp
->request_sense_length
= sense_len
;
1349 sp
->request_sense_ptr
= cp
->sense_buffer
;
1350 if (sp
->request_sense_length
> 32)
1353 memcpy(cp
->sense_buffer
, sense_data
, sense_len
);
1355 sp
->request_sense_ptr
+= sense_len
;
1356 sp
->request_sense_length
-= sense_len
;
1357 if (sp
->request_sense_length
!= 0)
1358 rsp
->status_srb
= sp
;
1360 DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) "
1361 "cmd=%p pid=%ld\n", __func__
, sp
->fcport
->vha
->host_no
,
1362 cp
->device
->channel
, cp
->device
->id
, cp
->device
->lun
, cp
,
1363 cp
->serial_number
));
1365 DEBUG5(qla2x00_dump_buffer(cp
->sense_buffer
, sense_len
));
1368 struct scsi_dif_tuple
{
1369 __be16 guard
; /* Checksum */
1370 __be16 app_tag
; /* APPL identifer */
1371 __be32 ref_tag
; /* Target LBA or indirect LBA */
1375 * Checks the guard or meta-data for the type of error
1376 * detected by the HBA. In case of errors, we set the
1377 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1378 * to indicate to the kernel that the HBA detected error.
1381 qla2x00_handle_dif_error(srb_t
*sp
, struct sts_entry_24xx
*sts24
)
1383 struct scsi_cmnd
*cmd
= sp
->cmd
;
1384 struct scsi_dif_tuple
*ep
=
1385 (struct scsi_dif_tuple
*)&sts24
->data
[20];
1386 struct scsi_dif_tuple
*ap
=
1387 (struct scsi_dif_tuple
*)&sts24
->data
[12];
1388 uint32_t e_ref_tag
, a_ref_tag
;
1389 uint16_t e_app_tag
, a_app_tag
;
1390 uint16_t e_guard
, a_guard
;
1392 e_ref_tag
= be32_to_cpu(ep
->ref_tag
);
1393 a_ref_tag
= be32_to_cpu(ap
->ref_tag
);
1394 e_app_tag
= be16_to_cpu(ep
->app_tag
);
1395 a_app_tag
= be16_to_cpu(ap
->app_tag
);
1396 e_guard
= be16_to_cpu(ep
->guard
);
1397 a_guard
= be16_to_cpu(ap
->guard
);
1399 DEBUG18(printk(KERN_DEBUG
1400 "%s(): iocb(s) %p Returned STATUS\n", __func__
, sts24
));
1402 DEBUG18(printk(KERN_ERR
"DIF ERROR in cmd 0x%x lba 0x%llx act ref"
1403 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
1404 " tag=0x%x, act guard=0x%x, exp guard=0x%x\n",
1405 cmd
->cmnd
[0], (u64
)scsi_get_lba(cmd
), a_ref_tag
, e_ref_tag
,
1406 a_app_tag
, e_app_tag
, a_guard
, e_guard
));
1410 if (e_guard
!= a_guard
) {
1411 scsi_build_sense_buffer(1, cmd
->sense_buffer
, ILLEGAL_REQUEST
,
1413 set_driver_byte(cmd
, DRIVER_SENSE
);
1414 set_host_byte(cmd
, DID_ABORT
);
1415 cmd
->result
|= SAM_STAT_CHECK_CONDITION
<< 1;
1419 /* check appl tag */
1420 if (e_app_tag
!= a_app_tag
) {
1421 scsi_build_sense_buffer(1, cmd
->sense_buffer
, ILLEGAL_REQUEST
,
1423 set_driver_byte(cmd
, DRIVER_SENSE
);
1424 set_host_byte(cmd
, DID_ABORT
);
1425 cmd
->result
|= SAM_STAT_CHECK_CONDITION
<< 1;
1430 if (e_ref_tag
!= a_ref_tag
) {
1431 scsi_build_sense_buffer(1, cmd
->sense_buffer
, ILLEGAL_REQUEST
,
1433 set_driver_byte(cmd
, DRIVER_SENSE
);
1434 set_host_byte(cmd
, DID_ABORT
);
1435 cmd
->result
|= SAM_STAT_CHECK_CONDITION
<< 1;
1441 * qla2x00_status_entry() - Process a Status IOCB entry.
1442 * @ha: SCSI driver HA context
1443 * @pkt: Entry pointer
1446 qla2x00_status_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, void *pkt
)
1450 struct scsi_cmnd
*cp
;
1452 struct sts_entry_24xx
*sts24
;
1453 uint16_t comp_status
;
1454 uint16_t scsi_status
;
1456 uint8_t lscsi_status
;
1458 uint32_t sense_len
, rsp_info_len
, resid_len
, fw_resid_len
;
1459 uint8_t *rsp_info
, *sense_data
;
1460 struct qla_hw_data
*ha
= vha
->hw
;
1463 struct req_que
*req
;
1466 sts
= (sts_entry_t
*) pkt
;
1467 sts24
= (struct sts_entry_24xx
*) pkt
;
1468 if (IS_FWI2_CAPABLE(ha
)) {
1469 comp_status
= le16_to_cpu(sts24
->comp_status
);
1470 scsi_status
= le16_to_cpu(sts24
->scsi_status
) & SS_MASK
;
1472 comp_status
= le16_to_cpu(sts
->comp_status
);
1473 scsi_status
= le16_to_cpu(sts
->scsi_status
) & SS_MASK
;
1475 handle
= (uint32_t) LSW(sts
->handle
);
1476 que
= MSW(sts
->handle
);
1477 req
= ha
->req_q_map
[que
];
1479 /* Fast path completion. */
1480 if (comp_status
== CS_COMPLETE
&& scsi_status
== 0) {
1481 qla2x00_process_completed_request(vha
, req
, handle
);
1486 /* Validate handle. */
1487 if (handle
< MAX_OUTSTANDING_COMMANDS
) {
1488 sp
= req
->outstanding_cmds
[handle
];
1489 req
->outstanding_cmds
[handle
] = NULL
;
1494 qla_printk(KERN_WARNING
, ha
,
1495 "scsi(%ld): Invalid status handle (0x%x).\n", vha
->host_no
,
1498 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1499 qla2xxx_wake_dpc(vha
);
1504 qla_printk(KERN_WARNING
, ha
,
1505 "scsi(%ld): Command already returned (0x%x/%p).\n",
1506 vha
->host_no
, sts
->handle
, sp
);
1511 lscsi_status
= scsi_status
& STATUS_MASK
;
1513 fcport
= sp
->fcport
;
1516 sense_len
= rsp_info_len
= resid_len
= fw_resid_len
= 0;
1517 if (IS_FWI2_CAPABLE(ha
)) {
1518 if (scsi_status
& SS_SENSE_LEN_VALID
)
1519 sense_len
= le32_to_cpu(sts24
->sense_len
);
1520 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
)
1521 rsp_info_len
= le32_to_cpu(sts24
->rsp_data_len
);
1522 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
))
1523 resid_len
= le32_to_cpu(sts24
->rsp_residual_count
);
1524 if (comp_status
== CS_DATA_UNDERRUN
)
1525 fw_resid_len
= le32_to_cpu(sts24
->residual_len
);
1526 rsp_info
= sts24
->data
;
1527 sense_data
= sts24
->data
;
1528 host_to_fcp_swap(sts24
->data
, sizeof(sts24
->data
));
1529 ox_id
= le16_to_cpu(sts24
->ox_id
);
1531 if (scsi_status
& SS_SENSE_LEN_VALID
)
1532 sense_len
= le16_to_cpu(sts
->req_sense_length
);
1533 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
)
1534 rsp_info_len
= le16_to_cpu(sts
->rsp_info_len
);
1535 resid_len
= le32_to_cpu(sts
->residual_length
);
1536 rsp_info
= sts
->rsp_info
;
1537 sense_data
= sts
->req_sense_data
;
1540 /* Check for any FCP transport errors. */
1541 if (scsi_status
& SS_RESPONSE_INFO_LEN_VALID
) {
1542 /* Sense data lies beyond any FCP RESPONSE data. */
1543 if (IS_FWI2_CAPABLE(ha
))
1544 sense_data
+= rsp_info_len
;
1545 if (rsp_info_len
> 3 && rsp_info
[3]) {
1546 DEBUG2(qla_printk(KERN_INFO
, ha
,
1547 "scsi(%ld:%d:%d): FCP I/O protocol failure "
1548 "(0x%x/0x%x).\n", vha
->host_no
, cp
->device
->id
,
1549 cp
->device
->lun
, rsp_info_len
, rsp_info
[3]));
1551 cp
->result
= DID_BUS_BUSY
<< 16;
1556 /* Check for overrun. */
1557 if (IS_FWI2_CAPABLE(ha
) && comp_status
== CS_COMPLETE
&&
1558 scsi_status
& SS_RESIDUAL_OVER
)
1559 comp_status
= CS_DATA_OVERRUN
;
1562 * Based on Host and scsi status generate status code for Linux
1564 switch (comp_status
) {
1567 if (scsi_status
== 0) {
1568 cp
->result
= DID_OK
<< 16;
1571 if (scsi_status
& (SS_RESIDUAL_UNDER
| SS_RESIDUAL_OVER
)) {
1573 scsi_set_resid(cp
, resid
);
1575 if (!lscsi_status
&&
1576 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1578 qla_printk(KERN_INFO
, ha
,
1579 "scsi(%ld:%d:%d): Mid-layer underflow "
1580 "detected (0x%x of 0x%x bytes).\n",
1581 vha
->host_no
, cp
->device
->id
,
1582 cp
->device
->lun
, resid
, scsi_bufflen(cp
));
1584 cp
->result
= DID_ERROR
<< 16;
1588 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1590 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1591 DEBUG2(qla_printk(KERN_INFO
, ha
,
1592 "scsi(%ld:%d:%d) QUEUE FULL detected.\n",
1593 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
));
1597 if (lscsi_status
!= SS_CHECK_CONDITION
)
1600 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1601 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1604 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1607 case CS_DATA_UNDERRUN
:
1608 /* Use F/W calculated residual length. */
1609 resid
= IS_FWI2_CAPABLE(ha
) ? fw_resid_len
: resid_len
;
1610 scsi_set_resid(cp
, resid
);
1611 if (scsi_status
& SS_RESIDUAL_UNDER
) {
1612 if (IS_FWI2_CAPABLE(ha
) && fw_resid_len
!= resid_len
) {
1613 DEBUG2(qla_printk(KERN_INFO
, ha
,
1614 "scsi(%ld:%d:%d) Dropped frame(s) detected "
1615 "(0x%x of 0x%x bytes).\n", vha
->host_no
,
1616 cp
->device
->id
, cp
->device
->lun
, resid
,
1619 cp
->result
= DID_ERROR
<< 16 | lscsi_status
;
1623 if (!lscsi_status
&&
1624 ((unsigned)(scsi_bufflen(cp
) - resid
) <
1626 qla_printk(KERN_INFO
, ha
,
1627 "scsi(%ld:%d:%d): Mid-layer underflow "
1628 "detected (0x%x of 0x%x bytes).\n",
1629 vha
->host_no
, cp
->device
->id
,
1630 cp
->device
->lun
, resid
, scsi_bufflen(cp
));
1632 cp
->result
= DID_ERROR
<< 16;
1635 } else if (!lscsi_status
) {
1636 DEBUG2(qla_printk(KERN_INFO
, ha
,
1637 "scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x "
1638 "of 0x%x bytes).\n", vha
->host_no
, cp
->device
->id
,
1639 cp
->device
->lun
, resid
, scsi_bufflen(cp
)));
1641 cp
->result
= DID_ERROR
<< 16;
1645 cp
->result
= DID_OK
<< 16 | lscsi_status
;
1649 * Check to see if SCSI Status is non zero. If so report SCSI
1652 if (lscsi_status
!= 0) {
1653 if (lscsi_status
== SAM_STAT_TASK_SET_FULL
) {
1654 DEBUG2(qla_printk(KERN_INFO
, ha
,
1655 "scsi(%ld:%d:%d) QUEUE FULL detected.\n",
1656 vha
->host_no
, cp
->device
->id
,
1661 if (lscsi_status
!= SS_CHECK_CONDITION
)
1664 memset(cp
->sense_buffer
, 0, SCSI_SENSE_BUFFERSIZE
);
1665 if (!(scsi_status
& SS_SENSE_LEN_VALID
))
1668 qla2x00_handle_sense(sp
, sense_data
, sense_len
, rsp
);
1672 case CS_PORT_LOGGED_OUT
:
1673 case CS_PORT_CONFIG_CHG
:
1676 case CS_PORT_UNAVAILABLE
:
1679 * We are going to have the fc class block the rport
1680 * while we try to recover so instruct the mid layer
1681 * to requeue until the class decides how to handle this.
1683 cp
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
1685 if (comp_status
== CS_TIMEOUT
) {
1686 if (IS_FWI2_CAPABLE(ha
))
1688 else if ((le16_to_cpu(sts
->status_flags
) &
1689 SF_LOGOUT_SENT
) == 0)
1693 DEBUG2(qla_printk(KERN_INFO
, ha
,
1694 "scsi(%ld:%d:%d) Port down status: port-state=0x%x\n",
1695 vha
->host_no
, cp
->device
->id
, cp
->device
->lun
,
1696 atomic_read(&fcport
->state
)));
1698 if (atomic_read(&fcport
->state
) == FCS_ONLINE
)
1699 qla2x00_mark_device_lost(fcport
->vha
, fcport
, 1, 1);
1704 cp
->result
= DID_RESET
<< 16;
1708 qla2x00_handle_dif_error(sp
, sts24
);
1711 cp
->result
= DID_ERROR
<< 16;
1717 DEBUG2(qla_printk(KERN_INFO
, ha
,
1718 "scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) "
1719 "oxid=0x%x ser=0x%lx cdb=%02x%02x%02x len=0x%x "
1720 "rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha
->host_no
,
1721 cp
->device
->id
, cp
->device
->lun
, comp_status
, scsi_status
,
1722 cp
->result
, ox_id
, cp
->serial_number
, cp
->cmnd
[0],
1723 cp
->cmnd
[1], cp
->cmnd
[2], scsi_bufflen(cp
), rsp_info_len
,
1724 resid_len
, fw_resid_len
));
1726 if (rsp
->status_srb
== NULL
)
1727 qla2x00_sp_compl(ha
, sp
);
1731 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
1732 * @ha: SCSI driver HA context
1733 * @pkt: Entry pointer
1735 * Extended sense data.
1738 qla2x00_status_cont_entry(struct rsp_que
*rsp
, sts_cont_entry_t
*pkt
)
1740 uint8_t sense_sz
= 0;
1741 struct qla_hw_data
*ha
= rsp
->hw
;
1742 srb_t
*sp
= rsp
->status_srb
;
1743 struct scsi_cmnd
*cp
;
1745 if (sp
!= NULL
&& sp
->request_sense_length
!= 0) {
1748 DEBUG2(printk("%s(): Cmd already returned back to OS "
1749 "sp=%p.\n", __func__
, sp
));
1750 qla_printk(KERN_INFO
, ha
,
1751 "cmd is NULL: already returned to OS (sp=%p)\n",
1754 rsp
->status_srb
= NULL
;
1758 if (sp
->request_sense_length
> sizeof(pkt
->data
)) {
1759 sense_sz
= sizeof(pkt
->data
);
1761 sense_sz
= sp
->request_sense_length
;
1764 /* Move sense data. */
1765 if (IS_FWI2_CAPABLE(ha
))
1766 host_to_fcp_swap(pkt
->data
, sizeof(pkt
->data
));
1767 memcpy(sp
->request_sense_ptr
, pkt
->data
, sense_sz
);
1768 DEBUG5(qla2x00_dump_buffer(sp
->request_sense_ptr
, sense_sz
));
1770 sp
->request_sense_ptr
+= sense_sz
;
1771 sp
->request_sense_length
-= sense_sz
;
1773 /* Place command on done queue. */
1774 if (sp
->request_sense_length
== 0) {
1775 rsp
->status_srb
= NULL
;
1776 qla2x00_sp_compl(ha
, sp
);
1782 * qla2x00_error_entry() - Process an error entry.
1783 * @ha: SCSI driver HA context
1784 * @pkt: Entry pointer
1787 qla2x00_error_entry(scsi_qla_host_t
*vha
, struct rsp_que
*rsp
, sts_entry_t
*pkt
)
1790 struct qla_hw_data
*ha
= vha
->hw
;
1791 uint32_t handle
= LSW(pkt
->handle
);
1792 uint16_t que
= MSW(pkt
->handle
);
1793 struct req_que
*req
= ha
->req_q_map
[que
];
1794 #if defined(QL_DEBUG_LEVEL_2)
1795 if (pkt
->entry_status
& RF_INV_E_ORDER
)
1796 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Order\n", __func__
);
1797 else if (pkt
->entry_status
& RF_INV_E_COUNT
)
1798 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Count\n", __func__
);
1799 else if (pkt
->entry_status
& RF_INV_E_PARAM
)
1800 qla_printk(KERN_ERR
, ha
,
1801 "%s: Invalid Entry Parameter\n", __func__
);
1802 else if (pkt
->entry_status
& RF_INV_E_TYPE
)
1803 qla_printk(KERN_ERR
, ha
, "%s: Invalid Entry Type\n", __func__
);
1804 else if (pkt
->entry_status
& RF_BUSY
)
1805 qla_printk(KERN_ERR
, ha
, "%s: Busy\n", __func__
);
1807 qla_printk(KERN_ERR
, ha
, "%s: UNKNOWN flag error\n", __func__
);
1810 /* Validate handle. */
1811 if (handle
< MAX_OUTSTANDING_COMMANDS
)
1812 sp
= req
->outstanding_cmds
[handle
];
1817 /* Free outstanding command slot. */
1818 req
->outstanding_cmds
[handle
] = NULL
;
1820 /* Bad payload or header */
1821 if (pkt
->entry_status
&
1822 (RF_INV_E_ORDER
| RF_INV_E_COUNT
|
1823 RF_INV_E_PARAM
| RF_INV_E_TYPE
)) {
1824 sp
->cmd
->result
= DID_ERROR
<< 16;
1825 } else if (pkt
->entry_status
& RF_BUSY
) {
1826 sp
->cmd
->result
= DID_BUS_BUSY
<< 16;
1828 sp
->cmd
->result
= DID_ERROR
<< 16;
1830 qla2x00_sp_compl(ha
, sp
);
1832 } else if (pkt
->entry_type
== COMMAND_A64_TYPE
|| pkt
->entry_type
==
1833 COMMAND_TYPE
|| pkt
->entry_type
== COMMAND_TYPE_7
) {
1834 DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
1836 qla_printk(KERN_WARNING
, ha
,
1837 "Error entry - invalid handle\n");
1839 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
1840 qla2xxx_wake_dpc(vha
);
1845 * qla24xx_mbx_completion() - Process mailbox command completions.
1846 * @ha: SCSI driver HA context
1847 * @mb0: Mailbox0 register
1850 qla24xx_mbx_completion(scsi_qla_host_t
*vha
, uint16_t mb0
)
1853 uint16_t __iomem
*wptr
;
1854 struct qla_hw_data
*ha
= vha
->hw
;
1855 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1857 /* Load return mailbox registers. */
1858 ha
->flags
.mbox_int
= 1;
1859 ha
->mailbox_out
[0] = mb0
;
1860 wptr
= (uint16_t __iomem
*)®
->mailbox1
;
1862 for (cnt
= 1; cnt
< ha
->mbx_count
; cnt
++) {
1863 ha
->mailbox_out
[cnt
] = RD_REG_WORD(wptr
);
1868 DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
1869 __func__
, vha
->host_no
, ha
->mcp
->mb
[0]));
1871 DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
1872 __func__
, vha
->host_no
));
1877 * qla24xx_process_response_queue() - Process response queue entries.
1878 * @ha: SCSI driver HA context
1880 void qla24xx_process_response_queue(struct scsi_qla_host
*vha
,
1881 struct rsp_que
*rsp
)
1883 struct sts_entry_24xx
*pkt
;
1884 struct qla_hw_data
*ha
= vha
->hw
;
1886 if (!vha
->flags
.online
)
1889 while (rsp
->ring_ptr
->signature
!= RESPONSE_PROCESSED
) {
1890 pkt
= (struct sts_entry_24xx
*)rsp
->ring_ptr
;
1893 if (rsp
->ring_index
== rsp
->length
) {
1894 rsp
->ring_index
= 0;
1895 rsp
->ring_ptr
= rsp
->ring
;
1900 if (pkt
->entry_status
!= 0) {
1901 DEBUG3(printk(KERN_INFO
1902 "scsi(%ld): Process error entry.\n", vha
->host_no
));
1904 qla2x00_error_entry(vha
, rsp
, (sts_entry_t
*) pkt
);
1905 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1910 switch (pkt
->entry_type
) {
1912 qla2x00_status_entry(vha
, rsp
, pkt
);
1914 case STATUS_CONT_TYPE
:
1915 qla2x00_status_cont_entry(rsp
, (sts_cont_entry_t
*)pkt
);
1917 case VP_RPT_ID_IOCB_TYPE
:
1918 qla24xx_report_id_acquisition(vha
,
1919 (struct vp_rpt_id_entry_24xx
*)pkt
);
1921 case LOGINOUT_PORT_IOCB_TYPE
:
1922 qla24xx_logio_entry(vha
, rsp
->req
,
1923 (struct logio_entry_24xx
*)pkt
);
1925 case TSK_MGMT_IOCB_TYPE
:
1926 qla24xx_tm_iocb_entry(vha
, rsp
->req
,
1927 (struct tsk_mgmt_entry
*)pkt
);
1930 qla24xx_marker_iocb_entry(vha
, rsp
->req
,
1931 (struct mrk_entry_24xx
*)pkt
);
1934 qla24xx_els_ct_entry(vha
, rsp
->req
, pkt
, CT_IOCB_TYPE
);
1935 clear_bit(MBX_INTERRUPT
, &vha
->hw
->mbx_cmd_flags
);
1938 qla24xx_els_ct_entry(vha
, rsp
->req
, pkt
, ELS_IOCB_TYPE
);
1941 /* Type Not Supported. */
1942 DEBUG4(printk(KERN_WARNING
1943 "scsi(%ld): Received unknown response pkt type %x "
1944 "entry status=%x.\n",
1945 vha
->host_no
, pkt
->entry_type
, pkt
->entry_status
));
1948 ((response_t
*)pkt
)->signature
= RESPONSE_PROCESSED
;
1952 /* Adjust ring index */
1953 if (IS_QLA82XX(ha
)) {
1954 struct device_reg_82xx __iomem
*reg
= &ha
->iobase
->isp82
;
1955 WRT_REG_DWORD(®
->rsp_q_out
[0], rsp
->ring_index
);
1957 WRT_REG_DWORD(rsp
->rsp_q_out
, rsp
->ring_index
);
1961 qla2xxx_check_risc_status(scsi_qla_host_t
*vha
)
1965 struct qla_hw_data
*ha
= vha
->hw
;
1966 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1968 if (!IS_QLA25XX(ha
) && !IS_QLA81XX(ha
))
1972 WRT_REG_DWORD(®
->iobase_addr
, 0x7C00);
1973 RD_REG_DWORD(®
->iobase_addr
);
1974 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1975 for (cnt
= 10000; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1976 rval
== QLA_SUCCESS
; cnt
--) {
1978 WRT_REG_DWORD(®
->iobase_window
, 0x0001);
1981 rval
= QLA_FUNCTION_TIMEOUT
;
1983 if (rval
== QLA_SUCCESS
)
1986 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1987 for (cnt
= 100; (RD_REG_DWORD(®
->iobase_window
) & BIT_0
) == 0 &&
1988 rval
== QLA_SUCCESS
; cnt
--) {
1990 WRT_REG_DWORD(®
->iobase_window
, 0x0003);
1993 rval
= QLA_FUNCTION_TIMEOUT
;
1995 if (rval
!= QLA_SUCCESS
)
1999 if (RD_REG_DWORD(®
->iobase_c8
) & BIT_3
)
2000 qla_printk(KERN_INFO
, ha
, "Additional code -- 0x55AA.\n");
2003 WRT_REG_DWORD(®
->iobase_window
, 0x0000);
2004 RD_REG_DWORD(®
->iobase_window
);
2008 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2010 * @dev_id: SCSI driver HA context
2012 * Called by system whenever the host adapter generates an interrupt.
2014 * Returns handled flag.
2017 qla24xx_intr_handler(int irq
, void *dev_id
)
2019 scsi_qla_host_t
*vha
;
2020 struct qla_hw_data
*ha
;
2021 struct device_reg_24xx __iomem
*reg
;
2027 struct rsp_que
*rsp
;
2028 unsigned long flags
;
2030 rsp
= (struct rsp_que
*) dev_id
;
2033 "%s(): NULL response queue pointer\n", __func__
);
2038 reg
= &ha
->iobase
->isp24
;
2041 if (unlikely(pci_channel_offline(ha
->pdev
)))
2044 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2045 vha
= pci_get_drvdata(ha
->pdev
);
2046 for (iter
= 50; iter
--; ) {
2047 stat
= RD_REG_DWORD(®
->host_status
);
2048 if (stat
& HSRX_RISC_PAUSED
) {
2049 if (unlikely(pci_channel_offline(ha
->pdev
)))
2052 hccr
= RD_REG_DWORD(®
->hccr
);
2054 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
2055 "Dumping firmware!\n", hccr
);
2057 qla2xxx_check_risc_status(vha
);
2059 ha
->isp_ops
->fw_dump(vha
, 1);
2060 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
2062 } else if ((stat
& HSRX_RISC_INT
) == 0)
2065 switch (stat
& 0xff) {
2070 qla24xx_mbx_completion(vha
, MSW(stat
));
2071 status
|= MBX_INTERRUPT
;
2076 mb
[1] = RD_REG_WORD(®
->mailbox1
);
2077 mb
[2] = RD_REG_WORD(®
->mailbox2
);
2078 mb
[3] = RD_REG_WORD(®
->mailbox3
);
2079 qla2x00_async_event(vha
, rsp
, mb
);
2083 qla24xx_process_response_queue(vha
, rsp
);
2086 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
2088 vha
->host_no
, stat
& 0xff));
2091 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2092 RD_REG_DWORD_RELAXED(®
->hccr
);
2094 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2096 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
2097 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
2098 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
2099 complete(&ha
->mbx_intr_comp
);
2106 qla24xx_msix_rsp_q(int irq
, void *dev_id
)
2108 struct qla_hw_data
*ha
;
2109 struct rsp_que
*rsp
;
2110 struct device_reg_24xx __iomem
*reg
;
2111 struct scsi_qla_host
*vha
;
2112 unsigned long flags
;
2114 rsp
= (struct rsp_que
*) dev_id
;
2117 "%s(): NULL response queue pointer\n", __func__
);
2121 reg
= &ha
->iobase
->isp24
;
2123 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2125 vha
= pci_get_drvdata(ha
->pdev
);
2126 qla24xx_process_response_queue(vha
, rsp
);
2127 if (!ha
->flags
.disable_msix_handshake
) {
2128 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2129 RD_REG_DWORD_RELAXED(®
->hccr
);
2131 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2137 qla25xx_msix_rsp_q(int irq
, void *dev_id
)
2139 struct qla_hw_data
*ha
;
2140 struct rsp_que
*rsp
;
2141 struct device_reg_24xx __iomem
*reg
;
2142 unsigned long flags
;
2144 rsp
= (struct rsp_que
*) dev_id
;
2147 "%s(): NULL response queue pointer\n", __func__
);
2152 /* Clear the interrupt, if enabled, for this response queue */
2153 if (rsp
->options
& ~BIT_6
) {
2154 reg
= &ha
->iobase
->isp24
;
2155 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2156 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2157 RD_REG_DWORD_RELAXED(®
->hccr
);
2158 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2160 queue_work_on((int) (rsp
->id
- 1), ha
->wq
, &rsp
->q_work
);
2166 qla24xx_msix_default(int irq
, void *dev_id
)
2168 scsi_qla_host_t
*vha
;
2169 struct qla_hw_data
*ha
;
2170 struct rsp_que
*rsp
;
2171 struct device_reg_24xx __iomem
*reg
;
2176 unsigned long flags
;
2178 rsp
= (struct rsp_que
*) dev_id
;
2181 "%s(): NULL response queue pointer\n", __func__
));
2185 reg
= &ha
->iobase
->isp24
;
2188 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2189 vha
= pci_get_drvdata(ha
->pdev
);
2191 stat
= RD_REG_DWORD(®
->host_status
);
2192 if (stat
& HSRX_RISC_PAUSED
) {
2193 if (unlikely(pci_channel_offline(ha
->pdev
)))
2196 hccr
= RD_REG_DWORD(®
->hccr
);
2198 qla_printk(KERN_INFO
, ha
, "RISC paused -- HCCR=%x, "
2199 "Dumping firmware!\n", hccr
);
2201 qla2xxx_check_risc_status(vha
);
2203 ha
->isp_ops
->fw_dump(vha
, 1);
2204 set_bit(ISP_ABORT_NEEDED
, &vha
->dpc_flags
);
2206 } else if ((stat
& HSRX_RISC_INT
) == 0)
2209 switch (stat
& 0xff) {
2214 qla24xx_mbx_completion(vha
, MSW(stat
));
2215 status
|= MBX_INTERRUPT
;
2220 mb
[1] = RD_REG_WORD(®
->mailbox1
);
2221 mb
[2] = RD_REG_WORD(®
->mailbox2
);
2222 mb
[3] = RD_REG_WORD(®
->mailbox3
);
2223 qla2x00_async_event(vha
, rsp
, mb
);
2227 qla24xx_process_response_queue(vha
, rsp
);
2230 DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
2232 vha
->host_no
, stat
& 0xff));
2235 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_INT
);
2237 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2239 if (test_bit(MBX_INTR_WAIT
, &ha
->mbx_cmd_flags
) &&
2240 (status
& MBX_INTERRUPT
) && ha
->flags
.mbox_int
) {
2241 set_bit(MBX_INTERRUPT
, &ha
->mbx_cmd_flags
);
2242 complete(&ha
->mbx_intr_comp
);
2247 /* Interrupt handling helpers. */
2249 struct qla_init_msix_entry
{
2251 irq_handler_t handler
;
2254 static struct qla_init_msix_entry msix_entries
[3] = {
2255 { "qla2xxx (default)", qla24xx_msix_default
},
2256 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q
},
2257 { "qla2xxx (multiq)", qla25xx_msix_rsp_q
},
2260 static struct qla_init_msix_entry qla82xx_msix_entries
[2] = {
2261 { "qla2xxx (default)", qla82xx_msix_default
},
2262 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q
},
2266 qla24xx_disable_msix(struct qla_hw_data
*ha
)
2269 struct qla_msix_entry
*qentry
;
2271 for (i
= 0; i
< ha
->msix_count
; i
++) {
2272 qentry
= &ha
->msix_entries
[i
];
2273 if (qentry
->have_irq
)
2274 free_irq(qentry
->vector
, qentry
->rsp
);
2276 pci_disable_msix(ha
->pdev
);
2277 kfree(ha
->msix_entries
);
2278 ha
->msix_entries
= NULL
;
2279 ha
->flags
.msix_enabled
= 0;
2283 qla24xx_enable_msix(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
2285 #define MIN_MSIX_COUNT 2
2287 struct msix_entry
*entries
;
2288 struct qla_msix_entry
*qentry
;
2290 entries
= kzalloc(sizeof(struct msix_entry
) * ha
->msix_count
,
2295 for (i
= 0; i
< ha
->msix_count
; i
++)
2296 entries
[i
].entry
= i
;
2298 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
2300 if (ret
< MIN_MSIX_COUNT
)
2303 qla_printk(KERN_WARNING
, ha
,
2304 "MSI-X: Failed to enable support -- %d/%d\n"
2305 " Retry with %d vectors\n", ha
->msix_count
, ret
, ret
);
2306 ha
->msix_count
= ret
;
2307 ret
= pci_enable_msix(ha
->pdev
, entries
, ha
->msix_count
);
2310 qla_printk(KERN_WARNING
, ha
, "MSI-X: Failed to enable"
2311 " support, giving up -- %d/%d\n",
2312 ha
->msix_count
, ret
);
2315 ha
->max_rsp_queues
= ha
->msix_count
- 1;
2317 ha
->msix_entries
= kzalloc(sizeof(struct qla_msix_entry
) *
2318 ha
->msix_count
, GFP_KERNEL
);
2319 if (!ha
->msix_entries
) {
2323 ha
->flags
.msix_enabled
= 1;
2325 for (i
= 0; i
< ha
->msix_count
; i
++) {
2326 qentry
= &ha
->msix_entries
[i
];
2327 qentry
->vector
= entries
[i
].vector
;
2328 qentry
->entry
= entries
[i
].entry
;
2329 qentry
->have_irq
= 0;
2333 /* Enable MSI-X vectors for the base queue */
2334 for (i
= 0; i
< 2; i
++) {
2335 qentry
= &ha
->msix_entries
[i
];
2336 if (IS_QLA82XX(ha
)) {
2337 ret
= request_irq(qentry
->vector
,
2338 qla82xx_msix_entries
[i
].handler
,
2339 0, qla82xx_msix_entries
[i
].name
, rsp
);
2341 ret
= request_irq(qentry
->vector
,
2342 msix_entries
[i
].handler
,
2343 0, msix_entries
[i
].name
, rsp
);
2346 qla_printk(KERN_WARNING
, ha
,
2347 "MSI-X: Unable to register handler -- %x/%d.\n",
2348 qentry
->vector
, ret
);
2349 qla24xx_disable_msix(ha
);
2353 qentry
->have_irq
= 1;
2358 /* Enable MSI-X vector for response queue update for queue 0 */
2359 if (ha
->mqiobase
&& (ha
->max_rsp_queues
> 1 || ha
->max_req_queues
> 1))
2368 qla2x00_request_irqs(struct qla_hw_data
*ha
, struct rsp_que
*rsp
)
2371 device_reg_t __iomem
*reg
= ha
->iobase
;
2373 /* If possible, enable MSI-X. */
2374 if (!IS_QLA2432(ha
) && !IS_QLA2532(ha
) &&
2375 !IS_QLA8432(ha
) && !IS_QLA8XXX_TYPE(ha
))
2378 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_HP
&&
2379 (ha
->pdev
->subsystem_device
== 0x7040 ||
2380 ha
->pdev
->subsystem_device
== 0x7041 ||
2381 ha
->pdev
->subsystem_device
== 0x1705)) {
2382 DEBUG2(qla_printk(KERN_WARNING
, ha
,
2383 "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n",
2384 ha
->pdev
->subsystem_vendor
,
2385 ha
->pdev
->subsystem_device
));
2389 if (IS_QLA2432(ha
) && (ha
->pdev
->revision
< QLA_MSIX_CHIP_REV_24XX
||
2390 !QLA_MSIX_FW_MODE_1(ha
->fw_attributes
))) {
2391 DEBUG2(qla_printk(KERN_WARNING
, ha
,
2392 "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
2393 ha
->pdev
->revision
, ha
->fw_attributes
));
2397 ret
= qla24xx_enable_msix(ha
, rsp
);
2399 DEBUG2(qla_printk(KERN_INFO
, ha
,
2400 "MSI-X: Enabled (0x%X, 0x%X).\n", ha
->chip_revision
,
2401 ha
->fw_attributes
));
2402 goto clear_risc_ints
;
2404 qla_printk(KERN_WARNING
, ha
,
2405 "MSI-X: Falling back-to MSI mode -- %d.\n", ret
);
2408 if (!IS_QLA24XX(ha
) && !IS_QLA2532(ha
) && !IS_QLA8432(ha
) &&
2412 ret
= pci_enable_msi(ha
->pdev
);
2414 DEBUG2(qla_printk(KERN_INFO
, ha
, "MSI: Enabled.\n"));
2415 ha
->flags
.msi_enabled
= 1;
2417 qla_printk(KERN_WARNING
, ha
,
2418 "MSI-X: Falling back-to INTa mode -- %d.\n", ret
);
2421 ret
= request_irq(ha
->pdev
->irq
, ha
->isp_ops
->intr_handler
,
2422 IRQF_SHARED
, QLA2XXX_DRIVER_NAME
, rsp
);
2424 qla_printk(KERN_WARNING
, ha
,
2425 "Failed to reserve interrupt %d already in use.\n",
2429 ha
->flags
.inta_enabled
= 1;
2433 * FIXME: Noted that 8014s were being dropped during NK testing.
2434 * Timing deltas during MSI-X/INTa transitions?
2436 if (IS_QLA81XX(ha
) || IS_QLA82XX(ha
))
2438 spin_lock_irq(&ha
->hardware_lock
);
2439 if (IS_FWI2_CAPABLE(ha
)) {
2440 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_HOST_INT
);
2441 WRT_REG_DWORD(®
->isp24
.hccr
, HCCRX_CLR_RISC_INT
);
2443 WRT_REG_WORD(®
->isp
.semaphore
, 0);
2444 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_RISC_INT
);
2445 WRT_REG_WORD(®
->isp
.hccr
, HCCR_CLR_HOST_INT
);
2447 spin_unlock_irq(&ha
->hardware_lock
);
2454 qla2x00_free_irqs(scsi_qla_host_t
*vha
)
2456 struct qla_hw_data
*ha
= vha
->hw
;
2457 struct rsp_que
*rsp
= ha
->rsp_q_map
[0];
2459 if (ha
->flags
.msix_enabled
)
2460 qla24xx_disable_msix(ha
);
2461 else if (ha
->flags
.msi_enabled
) {
2462 free_irq(ha
->pdev
->irq
, rsp
);
2463 pci_disable_msi(ha
->pdev
);
2465 free_irq(ha
->pdev
->irq
, rsp
);
2469 int qla25xx_request_irq(struct rsp_que
*rsp
)
2471 struct qla_hw_data
*ha
= rsp
->hw
;
2472 struct qla_init_msix_entry
*intr
= &msix_entries
[2];
2473 struct qla_msix_entry
*msix
= rsp
->msix
;
2476 ret
= request_irq(msix
->vector
, intr
->handler
, 0, intr
->name
, rsp
);
2478 qla_printk(KERN_WARNING
, ha
,
2479 "MSI-X: Unable to register handler -- %x/%d.\n",