1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic Fibre Channel HBA Driver
4 * Copyright (c) 2003-2014 QLogic Corporation
5 */
6 #include "qla_def.h"
7 #include "qla_target.h"
8 #include "qla_gbl.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/cpu.h>
13 #include <linux/t10-pi.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsi_bsg_fc.h>
16 #include <scsi/scsi_eh.h>
17 #include <scsi/fc/fc_fs.h>
18 #include <linux/nvme-fc-driver.h>
19
20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25 static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha,
26 struct purex_item *item);
27 static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha,
28 uint16_t size);
29 static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha,
30 void *pkt);
31 static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha,
32 void **pkt, struct rsp_que **rsp);
33
34 static void
qla27xx_process_purex_fpin(struct scsi_qla_host * vha,struct purex_item * item)35 qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item)
36 {
37 void *pkt = &item->iocb;
38 uint16_t pkt_size = item->size;
39
40 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d,
41 "%s: Enter\n", __func__);
42
43 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508e,
44 "-------- ELS REQ -------\n");
45 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x508f,
46 pkt, pkt_size);
47
48 fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt);
49 }
50
51 const char *const port_state_str[] = {
52 "Unknown",
53 "UNCONFIGURED",
54 "DEAD",
55 "LOST",
56 "ONLINE"
57 };
58
59 static void
qla24xx_process_abts(struct scsi_qla_host * vha,struct purex_item * pkt)60 qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt)
61 {
62 struct abts_entry_24xx *abts =
63 (struct abts_entry_24xx *)&pkt->iocb;
64 struct qla_hw_data *ha = vha->hw;
65 struct els_entry_24xx *rsp_els;
66 struct abts_entry_24xx *abts_rsp;
67 dma_addr_t dma;
68 uint32_t fctl;
69 int rval;
70
71 ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__);
72
73 ql_log(ql_log_warn, vha, 0x0287,
74 "Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n",
75 abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id,
76 abts->seq_id, abts->seq_cnt);
77 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287,
78 "-------- ABTS RCV -------\n");
79 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287,
80 (uint8_t *)abts, sizeof(*abts));
81
82 rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma,
83 GFP_KERNEL);
84 if (!rsp_els) {
85 ql_log(ql_log_warn, vha, 0x0287,
86 "Failed allocate dma buffer ABTS/ELS RSP.\n");
87 return;
88 }
89
90 /* terminate exchange */
91 rsp_els->entry_type = ELS_IOCB_TYPE;
92 rsp_els->entry_count = 1;
93 rsp_els->nport_handle = cpu_to_le16(~0);
94 rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort;
95 rsp_els->control_flags = cpu_to_le16(EPD_RX_XCHG);
96 ql_dbg(ql_dbg_init, vha, 0x0283,
97 "Sending ELS Response to terminate exchange %#x...\n",
98 abts->rx_xch_addr_to_abort);
99 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0283,
100 "-------- ELS RSP -------\n");
101 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0283,
102 (uint8_t *)rsp_els, sizeof(*rsp_els));
103 rval = qla2x00_issue_iocb(vha, rsp_els, dma, 0);
104 if (rval) {
105 ql_log(ql_log_warn, vha, 0x0288,
106 "%s: iocb failed to execute -> %x\n", __func__, rval);
107 } else if (rsp_els->comp_status) {
108 ql_log(ql_log_warn, vha, 0x0289,
109 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
110 __func__, rsp_els->comp_status,
111 rsp_els->error_subcode_1, rsp_els->error_subcode_2);
112 } else {
113 ql_dbg(ql_dbg_init, vha, 0x028a,
114 "%s: abort exchange done.\n", __func__);
115 }
116
117 /* send ABTS response */
118 abts_rsp = (void *)rsp_els;
119 memset(abts_rsp, 0, sizeof(*abts_rsp));
120 abts_rsp->entry_type = ABTS_RSP_TYPE;
121 abts_rsp->entry_count = 1;
122 abts_rsp->nport_handle = abts->nport_handle;
123 abts_rsp->vp_idx = abts->vp_idx;
124 abts_rsp->sof_type = abts->sof_type & 0xf0;
125 abts_rsp->rx_xch_addr = abts->rx_xch_addr;
126 abts_rsp->d_id[0] = abts->s_id[0];
127 abts_rsp->d_id[1] = abts->s_id[1];
128 abts_rsp->d_id[2] = abts->s_id[2];
129 abts_rsp->r_ctl = FC_ROUTING_BLD | FC_R_CTL_BLD_BA_ACC;
130 abts_rsp->s_id[0] = abts->d_id[0];
131 abts_rsp->s_id[1] = abts->d_id[1];
132 abts_rsp->s_id[2] = abts->d_id[2];
133 abts_rsp->cs_ctl = abts->cs_ctl;
134 /* include flipping bit23 in fctl */
135 fctl = ~(abts->f_ctl[2] | 0x7F) << 16 |
136 FC_F_CTL_LAST_SEQ | FC_F_CTL_END_SEQ | FC_F_CTL_SEQ_INIT;
137 abts_rsp->f_ctl[0] = fctl >> 0 & 0xff;
138 abts_rsp->f_ctl[1] = fctl >> 8 & 0xff;
139 abts_rsp->f_ctl[2] = fctl >> 16 & 0xff;
140 abts_rsp->type = FC_TYPE_BLD;
141 abts_rsp->rx_id = abts->rx_id;
142 abts_rsp->ox_id = abts->ox_id;
143 abts_rsp->payload.ba_acc.aborted_rx_id = abts->rx_id;
144 abts_rsp->payload.ba_acc.aborted_ox_id = abts->ox_id;
145 abts_rsp->payload.ba_acc.high_seq_cnt = cpu_to_le16(~0);
146 abts_rsp->rx_xch_addr_to_abort = abts->rx_xch_addr_to_abort;
147 ql_dbg(ql_dbg_init, vha, 0x028b,
148 "Sending BA ACC response to ABTS %#x...\n",
149 abts->rx_xch_addr_to_abort);
150 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x028b,
151 "-------- ELS RSP -------\n");
152 ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x028b,
153 (uint8_t *)abts_rsp, sizeof(*abts_rsp));
154 rval = qla2x00_issue_iocb(vha, abts_rsp, dma, 0);
155 if (rval) {
156 ql_log(ql_log_warn, vha, 0x028c,
157 "%s: iocb failed to execute -> %x\n", __func__, rval);
158 } else if (abts_rsp->comp_status) {
159 ql_log(ql_log_warn, vha, 0x028d,
160 "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
161 __func__, abts_rsp->comp_status,
162 abts_rsp->payload.error.subcode1,
163 abts_rsp->payload.error.subcode2);
164 } else {
165 ql_dbg(ql_dbg_init, vha, 0x028ea,
166 "%s: done.\n", __func__);
167 }
168
169 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma);
170 }
171
172 /**
173 * __qla_consume_iocb - this routine is used to tell fw driver has processed
174 * or consumed the head IOCB along with the continuation IOCB's from the
175 * provided respond queue.
176 * @vha: host adapter pointer
177 * @pkt: pointer to current packet. On return, this pointer shall move
178 * to the next packet.
179 * @rsp: respond queue pointer.
180 *
181 * it is assumed pkt is the head iocb, not the continuation iocbk
182 */
__qla_consume_iocb(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp)183 void __qla_consume_iocb(struct scsi_qla_host *vha,
184 void **pkt, struct rsp_que **rsp)
185 {
186 struct rsp_que *rsp_q = *rsp;
187 response_t *new_pkt;
188 uint16_t entry_count_remaining;
189 struct purex_entry_24xx *purex = *pkt;
190
191 entry_count_remaining = purex->entry_count;
192 while (entry_count_remaining > 0) {
193 new_pkt = rsp_q->ring_ptr;
194 *pkt = new_pkt;
195
196 rsp_q->ring_index++;
197 if (rsp_q->ring_index == rsp_q->length) {
198 rsp_q->ring_index = 0;
199 rsp_q->ring_ptr = rsp_q->ring;
200 } else {
201 rsp_q->ring_ptr++;
202 }
203
204 new_pkt->signature = RESPONSE_PROCESSED;
205 /* flush signature */
206 wmb();
207 --entry_count_remaining;
208 }
209 }
210
211 /**
212 * __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB
213 * and save to provided buffer
214 * @vha: host adapter pointer
215 * @pkt: pointer Purex IOCB
216 * @rsp: respond queue
217 * @buf: extracted ELS payload copy here
218 * @buf_len: buffer length
219 */
__qla_copy_purex_to_buffer(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp,u8 * buf,u32 buf_len)220 int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha,
221 void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len)
222 {
223 struct purex_entry_24xx *purex = *pkt;
224 struct rsp_que *rsp_q = *rsp;
225 sts_cont_entry_t *new_pkt;
226 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0;
227 uint16_t buffer_copy_offset = 0;
228 uint16_t entry_count_remaining;
229 u16 tpad;
230
231 entry_count_remaining = purex->entry_count;
232 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF)
233 - PURX_ELS_HEADER_SIZE;
234
235 /*
236 * end of payload may not end in 4bytes boundary. Need to
237 * round up / pad for room to swap, before saving data
238 */
239 tpad = roundup(total_bytes, 4);
240
241 if (buf_len < tpad) {
242 ql_dbg(ql_dbg_async, vha, 0x5084,
243 "%s buffer is too small %d < %d\n",
244 __func__, buf_len, tpad);
245 __qla_consume_iocb(vha, pkt, rsp);
246 return -EIO;
247 }
248
249 pending_bytes = total_bytes = tpad;
250 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ?
251 sizeof(purex->els_frame_payload) : pending_bytes;
252
253 memcpy(buf, &purex->els_frame_payload[0], no_bytes);
254 buffer_copy_offset += no_bytes;
255 pending_bytes -= no_bytes;
256 --entry_count_remaining;
257
258 ((response_t *)purex)->signature = RESPONSE_PROCESSED;
259 /* flush signature */
260 wmb();
261
262 do {
263 while ((total_bytes > 0) && (entry_count_remaining > 0)) {
264 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
265 *pkt = new_pkt;
266
267 if (new_pkt->entry_type != STATUS_CONT_TYPE) {
268 ql_log(ql_log_warn, vha, 0x507a,
269 "Unexpected IOCB type, partial data 0x%x\n",
270 buffer_copy_offset);
271 break;
272 }
273
274 rsp_q->ring_index++;
275 if (rsp_q->ring_index == rsp_q->length) {
276 rsp_q->ring_index = 0;
277 rsp_q->ring_ptr = rsp_q->ring;
278 } else {
279 rsp_q->ring_ptr++;
280 }
281 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ?
282 sizeof(new_pkt->data) : pending_bytes;
283 if ((buffer_copy_offset + no_bytes) <= total_bytes) {
284 memcpy((buf + buffer_copy_offset), new_pkt->data,
285 no_bytes);
286 buffer_copy_offset += no_bytes;
287 pending_bytes -= no_bytes;
288 --entry_count_remaining;
289 } else {
290 ql_log(ql_log_warn, vha, 0x5044,
291 "Attempt to copy more that we got, optimizing..%x\n",
292 buffer_copy_offset);
293 memcpy((buf + buffer_copy_offset), new_pkt->data,
294 total_bytes - buffer_copy_offset);
295 }
296
297 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
298 /* flush signature */
299 wmb();
300 }
301
302 if (pending_bytes != 0 || entry_count_remaining != 0) {
303 ql_log(ql_log_fatal, vha, 0x508b,
304 "Dropping partial Data, underrun bytes = 0x%x, entry cnts 0x%x\n",
305 total_bytes, entry_count_remaining);
306 return -EIO;
307 }
308 } while (entry_count_remaining > 0);
309
310 be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2);
311
312 return 0;
313 }
314
315 /**
316 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
317 * @irq: interrupt number
318 * @dev_id: SCSI driver HA context
319 *
320 * Called by system whenever the host adapter generates an interrupt.
321 *
322 * Returns handled flag.
323 */
324 irqreturn_t
qla2100_intr_handler(int irq,void * dev_id)325 qla2100_intr_handler(int irq, void *dev_id)
326 {
327 scsi_qla_host_t *vha;
328 struct qla_hw_data *ha;
329 struct device_reg_2xxx __iomem *reg;
330 int status;
331 unsigned long iter;
332 uint16_t hccr;
333 uint16_t mb[8];
334 struct rsp_que *rsp;
335 unsigned long flags;
336
337 rsp = (struct rsp_que *) dev_id;
338 if (!rsp) {
339 ql_log(ql_log_info, NULL, 0x505d,
340 "%s: NULL response queue pointer.\n", __func__);
341 return (IRQ_NONE);
342 }
343
344 ha = rsp->hw;
345 reg = &ha->iobase->isp;
346 status = 0;
347
348 spin_lock_irqsave(&ha->hardware_lock, flags);
349 vha = pci_get_drvdata(ha->pdev);
350 for (iter = 50; iter--; ) {
351 hccr = rd_reg_word(®->hccr);
352 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
353 break;
354 if (hccr & HCCR_RISC_PAUSE) {
355 if (pci_channel_offline(ha->pdev))
356 break;
357
358 /*
359 * Issue a "HARD" reset in order for the RISC interrupt
360 * bit to be cleared. Schedule a big hammer to get
361 * out of the RISC PAUSED state.
362 */
363 wrt_reg_word(®->hccr, HCCR_RESET_RISC);
364 rd_reg_word(®->hccr);
365
366 ha->isp_ops->fw_dump(vha);
367 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
368 break;
369 } else if ((rd_reg_word(®->istatus) & ISR_RISC_INT) == 0)
370 break;
371
372 if (rd_reg_word(®->semaphore) & BIT_0) {
373 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
374 rd_reg_word(®->hccr);
375
376 /* Get mailbox data. */
377 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
378 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
379 qla2x00_mbx_completion(vha, mb[0]);
380 status |= MBX_INTERRUPT;
381 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
382 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
383 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
384 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
385 qla2x00_async_event(vha, rsp, mb);
386 } else {
387 /*EMPTY*/
388 ql_dbg(ql_dbg_async, vha, 0x5025,
389 "Unrecognized interrupt type (%d).\n",
390 mb[0]);
391 }
392 /* Release mailbox registers. */
393 wrt_reg_word(®->semaphore, 0);
394 rd_reg_word(®->semaphore);
395 } else {
396 qla2x00_process_response_queue(rsp);
397
398 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
399 rd_reg_word(®->hccr);
400 }
401 }
402 qla2x00_handle_mbx_completion(ha, status);
403 spin_unlock_irqrestore(&ha->hardware_lock, flags);
404
405 return (IRQ_HANDLED);
406 }
407
408 bool
qla2x00_check_reg32_for_disconnect(scsi_qla_host_t * vha,uint32_t reg)409 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
410 {
411 /* Check for PCI disconnection */
412 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
413 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
414 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
415 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
416 qla_schedule_eeh_work(vha);
417 }
418 return true;
419 } else
420 return false;
421 }
422
423 bool
qla2x00_check_reg16_for_disconnect(scsi_qla_host_t * vha,uint16_t reg)424 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
425 {
426 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
427 }
428
429 /**
430 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
431 * @irq: interrupt number
432 * @dev_id: SCSI driver HA context
433 *
434 * Called by system whenever the host adapter generates an interrupt.
435 *
436 * Returns handled flag.
437 */
438 irqreturn_t
qla2300_intr_handler(int irq,void * dev_id)439 qla2300_intr_handler(int irq, void *dev_id)
440 {
441 scsi_qla_host_t *vha;
442 struct device_reg_2xxx __iomem *reg;
443 int status;
444 unsigned long iter;
445 uint32_t stat;
446 uint16_t hccr;
447 uint16_t mb[8];
448 struct rsp_que *rsp;
449 struct qla_hw_data *ha;
450 unsigned long flags;
451
452 rsp = (struct rsp_que *) dev_id;
453 if (!rsp) {
454 ql_log(ql_log_info, NULL, 0x5058,
455 "%s: NULL response queue pointer.\n", __func__);
456 return (IRQ_NONE);
457 }
458
459 ha = rsp->hw;
460 reg = &ha->iobase->isp;
461 status = 0;
462
463 spin_lock_irqsave(&ha->hardware_lock, flags);
464 vha = pci_get_drvdata(ha->pdev);
465 for (iter = 50; iter--; ) {
466 stat = rd_reg_dword(®->u.isp2300.host_status);
467 if (qla2x00_check_reg32_for_disconnect(vha, stat))
468 break;
469 if (stat & HSR_RISC_PAUSED) {
470 if (unlikely(pci_channel_offline(ha->pdev)))
471 break;
472
473 hccr = rd_reg_word(®->hccr);
474
475 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
476 ql_log(ql_log_warn, vha, 0x5026,
477 "Parity error -- HCCR=%x, Dumping "
478 "firmware.\n", hccr);
479 else
480 ql_log(ql_log_warn, vha, 0x5027,
481 "RISC paused -- HCCR=%x, Dumping "
482 "firmware.\n", hccr);
483
484 /*
485 * Issue a "HARD" reset in order for the RISC
486 * interrupt bit to be cleared. Schedule a big
487 * hammer to get out of the RISC PAUSED state.
488 */
489 wrt_reg_word(®->hccr, HCCR_RESET_RISC);
490 rd_reg_word(®->hccr);
491
492 ha->isp_ops->fw_dump(vha);
493 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
494 break;
495 } else if ((stat & HSR_RISC_INT) == 0)
496 break;
497
498 switch (stat & 0xff) {
499 case 0x1:
500 case 0x2:
501 case 0x10:
502 case 0x11:
503 qla2x00_mbx_completion(vha, MSW(stat));
504 status |= MBX_INTERRUPT;
505
506 /* Release mailbox registers. */
507 wrt_reg_word(®->semaphore, 0);
508 break;
509 case 0x12:
510 mb[0] = MSW(stat);
511 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
512 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
513 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
514 qla2x00_async_event(vha, rsp, mb);
515 break;
516 case 0x13:
517 qla2x00_process_response_queue(rsp);
518 break;
519 case 0x15:
520 mb[0] = MBA_CMPLT_1_16BIT;
521 mb[1] = MSW(stat);
522 qla2x00_async_event(vha, rsp, mb);
523 break;
524 case 0x16:
525 mb[0] = MBA_SCSI_COMPLETION;
526 mb[1] = MSW(stat);
527 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
528 qla2x00_async_event(vha, rsp, mb);
529 break;
530 default:
531 ql_dbg(ql_dbg_async, vha, 0x5028,
532 "Unrecognized interrupt type (%d).\n", stat & 0xff);
533 break;
534 }
535 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
536 rd_reg_word_relaxed(®->hccr);
537 }
538 qla2x00_handle_mbx_completion(ha, status);
539 spin_unlock_irqrestore(&ha->hardware_lock, flags);
540
541 return (IRQ_HANDLED);
542 }
543
544 /**
545 * qla2x00_mbx_completion() - Process mailbox command completions.
546 * @vha: SCSI driver HA context
547 * @mb0: Mailbox0 register
548 */
549 static void
qla2x00_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)550 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
551 {
552 uint16_t cnt;
553 uint32_t mboxes;
554 __le16 __iomem *wptr;
555 struct qla_hw_data *ha = vha->hw;
556 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
557
558 /* Read all mbox registers? */
559 WARN_ON_ONCE(ha->mbx_count > 32);
560 mboxes = (1ULL << ha->mbx_count) - 1;
561 if (!ha->mcp)
562 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
563 else
564 mboxes = ha->mcp->in_mb;
565
566 /* Load return mailbox registers. */
567 ha->flags.mbox_int = 1;
568 ha->mailbox_out[0] = mb0;
569 mboxes >>= 1;
570 wptr = MAILBOX_REG(ha, reg, 1);
571
572 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
573 if (IS_QLA2200(ha) && cnt == 8)
574 wptr = MAILBOX_REG(ha, reg, 8);
575 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
576 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
577 else if (mboxes & BIT_0)
578 ha->mailbox_out[cnt] = rd_reg_word(wptr);
579
580 wptr++;
581 mboxes >>= 1;
582 }
583 }
584
585 static void
qla81xx_idc_event(scsi_qla_host_t * vha,uint16_t aen,uint16_t descr)586 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
587 {
588 static char *event[] =
589 { "Complete", "Request Notification", "Time Extension" };
590 int rval;
591 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
592 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
593 __le16 __iomem *wptr;
594 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
595
596 /* Seed data -- mailbox1 -> mailbox7. */
597 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
598 wptr = ®24->mailbox1;
599 else if (IS_QLA8044(vha->hw))
600 wptr = ®82->mailbox_out[1];
601 else
602 return;
603
604 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
605 mb[cnt] = rd_reg_word(wptr);
606
607 ql_dbg(ql_dbg_async, vha, 0x5021,
608 "Inter-Driver Communication %s -- "
609 "%04x %04x %04x %04x %04x %04x %04x.\n",
610 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
611 mb[4], mb[5], mb[6]);
612 switch (aen) {
613 /* Handle IDC Error completion case. */
614 case MBA_IDC_COMPLETE:
615 if (mb[1] >> 15) {
616 vha->hw->flags.idc_compl_status = 1;
617 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
618 complete(&vha->hw->dcbx_comp);
619 }
620 break;
621
622 case MBA_IDC_NOTIFY:
623 /* Acknowledgement needed? [Notify && non-zero timeout]. */
624 timeout = (descr >> 8) & 0xf;
625 ql_dbg(ql_dbg_async, vha, 0x5022,
626 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
627 vha->host_no, event[aen & 0xff], timeout);
628
629 if (!timeout)
630 return;
631 rval = qla2x00_post_idc_ack_work(vha, mb);
632 if (rval != QLA_SUCCESS)
633 ql_log(ql_log_warn, vha, 0x5023,
634 "IDC failed to post ACK.\n");
635 break;
636 case MBA_IDC_TIME_EXT:
637 vha->hw->idc_extend_tmo = descr;
638 ql_dbg(ql_dbg_async, vha, 0x5087,
639 "%lu Inter-Driver Communication %s -- "
640 "Extend timeout by=%d.\n",
641 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
642 break;
643 }
644 }
645
646 #define LS_UNKNOWN 2
647 const char *
qla2x00_get_link_speed_str(struct qla_hw_data * ha,uint16_t speed)648 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
649 {
650 static const char *const link_speeds[] = {
651 "1", "2", "?", "4", "8", "16", "32", "64", "10"
652 };
653 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1)
654
655 if (IS_QLA2100(ha) || IS_QLA2200(ha))
656 return link_speeds[0];
657 else if (speed == 0x13)
658 return link_speeds[QLA_LAST_SPEED];
659 else if (speed < QLA_LAST_SPEED)
660 return link_speeds[speed];
661 else
662 return link_speeds[LS_UNKNOWN];
663 }
664
665 static void
qla83xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)666 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
667 {
668 struct qla_hw_data *ha = vha->hw;
669
670 /*
671 * 8200 AEN Interpretation:
672 * mb[0] = AEN code
673 * mb[1] = AEN Reason code
674 * mb[2] = LSW of Peg-Halt Status-1 Register
675 * mb[6] = MSW of Peg-Halt Status-1 Register
676 * mb[3] = LSW of Peg-Halt Status-2 register
677 * mb[7] = MSW of Peg-Halt Status-2 register
678 * mb[4] = IDC Device-State Register value
679 * mb[5] = IDC Driver-Presence Register value
680 */
681 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
682 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
683 mb[0], mb[1], mb[2], mb[6]);
684 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
685 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
686 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
687
688 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
689 IDC_HEARTBEAT_FAILURE)) {
690 ha->flags.nic_core_hung = 1;
691 ql_log(ql_log_warn, vha, 0x5060,
692 "83XX: F/W Error Reported: Check if reset required.\n");
693
694 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
695 uint32_t protocol_engine_id, fw_err_code, err_level;
696
697 /*
698 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
699 * - PEG-Halt Status-1 Register:
700 * (LSW = mb[2], MSW = mb[6])
701 * Bits 0-7 = protocol-engine ID
702 * Bits 8-28 = f/w error code
703 * Bits 29-31 = Error-level
704 * Error-level 0x1 = Non-Fatal error
705 * Error-level 0x2 = Recoverable Fatal error
706 * Error-level 0x4 = UnRecoverable Fatal error
707 * - PEG-Halt Status-2 Register:
708 * (LSW = mb[3], MSW = mb[7])
709 */
710 protocol_engine_id = (mb[2] & 0xff);
711 fw_err_code = (((mb[2] & 0xff00) >> 8) |
712 ((mb[6] & 0x1fff) << 8));
713 err_level = ((mb[6] & 0xe000) >> 13);
714 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
715 "Register: protocol_engine_id=0x%x "
716 "fw_err_code=0x%x err_level=0x%x.\n",
717 protocol_engine_id, fw_err_code, err_level);
718 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
719 "Register: 0x%x%x.\n", mb[7], mb[3]);
720 if (err_level == ERR_LEVEL_NON_FATAL) {
721 ql_log(ql_log_warn, vha, 0x5063,
722 "Not a fatal error, f/w has recovered itself.\n");
723 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
724 ql_log(ql_log_fatal, vha, 0x5064,
725 "Recoverable Fatal error: Chip reset "
726 "required.\n");
727 qla83xx_schedule_work(vha,
728 QLA83XX_NIC_CORE_RESET);
729 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
730 ql_log(ql_log_fatal, vha, 0x5065,
731 "Unrecoverable Fatal error: Set FAILED "
732 "state, reboot required.\n");
733 qla83xx_schedule_work(vha,
734 QLA83XX_NIC_CORE_UNRECOVERABLE);
735 }
736 }
737
738 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
739 uint16_t peg_fw_state, nw_interface_link_up;
740 uint16_t nw_interface_signal_detect, sfp_status;
741 uint16_t htbt_counter, htbt_monitor_enable;
742 uint16_t sfp_additional_info, sfp_multirate;
743 uint16_t sfp_tx_fault, link_speed, dcbx_status;
744
745 /*
746 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
747 * - PEG-to-FC Status Register:
748 * (LSW = mb[2], MSW = mb[6])
749 * Bits 0-7 = Peg-Firmware state
750 * Bit 8 = N/W Interface Link-up
751 * Bit 9 = N/W Interface signal detected
752 * Bits 10-11 = SFP Status
753 * SFP Status 0x0 = SFP+ transceiver not expected
754 * SFP Status 0x1 = SFP+ transceiver not present
755 * SFP Status 0x2 = SFP+ transceiver invalid
756 * SFP Status 0x3 = SFP+ transceiver present and
757 * valid
758 * Bits 12-14 = Heartbeat Counter
759 * Bit 15 = Heartbeat Monitor Enable
760 * Bits 16-17 = SFP Additional Info
761 * SFP info 0x0 = Unregocnized transceiver for
762 * Ethernet
763 * SFP info 0x1 = SFP+ brand validation failed
764 * SFP info 0x2 = SFP+ speed validation failed
765 * SFP info 0x3 = SFP+ access error
766 * Bit 18 = SFP Multirate
767 * Bit 19 = SFP Tx Fault
768 * Bits 20-22 = Link Speed
769 * Bits 23-27 = Reserved
770 * Bits 28-30 = DCBX Status
771 * DCBX Status 0x0 = DCBX Disabled
772 * DCBX Status 0x1 = DCBX Enabled
773 * DCBX Status 0x2 = DCBX Exchange error
774 * Bit 31 = Reserved
775 */
776 peg_fw_state = (mb[2] & 0x00ff);
777 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
778 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
779 sfp_status = ((mb[2] & 0x0c00) >> 10);
780 htbt_counter = ((mb[2] & 0x7000) >> 12);
781 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
782 sfp_additional_info = (mb[6] & 0x0003);
783 sfp_multirate = ((mb[6] & 0x0004) >> 2);
784 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
785 link_speed = ((mb[6] & 0x0070) >> 4);
786 dcbx_status = ((mb[6] & 0x7000) >> 12);
787
788 ql_log(ql_log_warn, vha, 0x5066,
789 "Peg-to-Fc Status Register:\n"
790 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
791 "nw_interface_signal_detect=0x%x"
792 "\nsfp_statis=0x%x.\n ", peg_fw_state,
793 nw_interface_link_up, nw_interface_signal_detect,
794 sfp_status);
795 ql_log(ql_log_warn, vha, 0x5067,
796 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
797 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
798 htbt_counter, htbt_monitor_enable,
799 sfp_additional_info, sfp_multirate);
800 ql_log(ql_log_warn, vha, 0x5068,
801 "sfp_tx_fault=0x%x, link_state=0x%x, "
802 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
803 dcbx_status);
804
805 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
806 }
807
808 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
809 ql_log(ql_log_warn, vha, 0x5069,
810 "Heartbeat Failure encountered, chip reset "
811 "required.\n");
812
813 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
814 }
815 }
816
817 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
818 ql_log(ql_log_info, vha, 0x506a,
819 "IDC Device-State changed = 0x%x.\n", mb[4]);
820 if (ha->flags.nic_core_reset_owner)
821 return;
822 qla83xx_schedule_work(vha, MBA_IDC_AEN);
823 }
824 }
825
826 int
qla2x00_is_a_vp_did(scsi_qla_host_t * vha,uint32_t rscn_entry)827 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
828 {
829 struct qla_hw_data *ha = vha->hw;
830 scsi_qla_host_t *vp;
831 uint32_t vp_did;
832 unsigned long flags;
833 int ret = 0;
834
835 if (!ha->num_vhosts)
836 return ret;
837
838 spin_lock_irqsave(&ha->vport_slock, flags);
839 list_for_each_entry(vp, &ha->vp_list, list) {
840 vp_did = vp->d_id.b24;
841 if (vp_did == rscn_entry) {
842 ret = 1;
843 break;
844 }
845 }
846 spin_unlock_irqrestore(&ha->vport_slock, flags);
847
848 return ret;
849 }
850
851 fc_port_t *
qla2x00_find_fcport_by_loopid(scsi_qla_host_t * vha,uint16_t loop_id)852 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
853 {
854 fc_port_t *f, *tf;
855
856 f = tf = NULL;
857 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
858 if (f->loop_id == loop_id)
859 return f;
860 return NULL;
861 }
862
863 fc_port_t *
qla2x00_find_fcport_by_wwpn(scsi_qla_host_t * vha,u8 * wwpn,u8 incl_deleted)864 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
865 {
866 fc_port_t *f, *tf;
867
868 f = tf = NULL;
869 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
870 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
871 if (incl_deleted)
872 return f;
873 else if (f->deleted == 0)
874 return f;
875 }
876 }
877 return NULL;
878 }
879
880 fc_port_t *
qla2x00_find_fcport_by_nportid(scsi_qla_host_t * vha,port_id_t * id,u8 incl_deleted)881 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
882 u8 incl_deleted)
883 {
884 fc_port_t *f, *tf;
885
886 f = tf = NULL;
887 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
888 if (f->d_id.b24 == id->b24) {
889 if (incl_deleted)
890 return f;
891 else if (f->deleted == 0)
892 return f;
893 }
894 }
895 return NULL;
896 }
897
898 /* Shall be called only on supported adapters. */
899 static void
qla27xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)900 qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
901 {
902 struct qla_hw_data *ha = vha->hw;
903 bool reset_isp_needed = false;
904
905 ql_log(ql_log_warn, vha, 0x02f0,
906 "MPI Heartbeat stop. MPI reset is%s needed. "
907 "MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n",
908 mb[1] & BIT_8 ? "" : " not",
909 mb[0], mb[1], mb[2], mb[3]);
910
911 if ((mb[1] & BIT_8) == 0)
912 return;
913
914 ql_log(ql_log_warn, vha, 0x02f1,
915 "MPI Heartbeat stop. FW dump needed\n");
916
917 if (ql2xfulldump_on_mpifail) {
918 ha->isp_ops->fw_dump(vha);
919 reset_isp_needed = true;
920 }
921
922 ha->isp_ops->mpi_fw_dump(vha, 1);
923
924 if (reset_isp_needed) {
925 vha->hw->flags.fw_init_done = 0;
926 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
927 qla2xxx_wake_dpc(vha);
928 }
929 }
930
931 static struct purex_item *
qla24xx_alloc_purex_item(scsi_qla_host_t * vha,uint16_t size)932 qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size)
933 {
934 struct purex_item *item = NULL;
935 uint8_t item_hdr_size = sizeof(*item);
936
937 if (size > QLA_DEFAULT_PAYLOAD_SIZE) {
938 item = kzalloc(item_hdr_size +
939 (size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC);
940 } else {
941 if (atomic_inc_return(&vha->default_item.in_use) == 1) {
942 item = &vha->default_item;
943 goto initialize_purex_header;
944 } else {
945 item = kzalloc(item_hdr_size, GFP_ATOMIC);
946 }
947 }
948 if (!item) {
949 ql_log(ql_log_warn, vha, 0x5092,
950 ">> Failed allocate purex list item.\n");
951
952 return NULL;
953 }
954
955 initialize_purex_header:
956 item->vha = vha;
957 item->size = size;
958 return item;
959 }
960
961 static void
qla24xx_queue_purex_item(scsi_qla_host_t * vha,struct purex_item * pkt,void (* process_item)(struct scsi_qla_host * vha,struct purex_item * pkt))962 qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt,
963 void (*process_item)(struct scsi_qla_host *vha,
964 struct purex_item *pkt))
965 {
966 struct purex_list *list = &vha->purex_list;
967 ulong flags;
968
969 pkt->process_item = process_item;
970
971 spin_lock_irqsave(&list->lock, flags);
972 list_add_tail(&pkt->list, &list->head);
973 spin_unlock_irqrestore(&list->lock, flags);
974
975 set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags);
976 }
977
978 /**
979 * qla24xx_copy_std_pkt() - Copy over purex ELS which is
980 * contained in a single IOCB.
981 * purex packet.
982 * @vha: SCSI driver HA context
983 * @pkt: ELS packet
984 */
985 static struct purex_item
qla24xx_copy_std_pkt(struct scsi_qla_host * vha,void * pkt)986 *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt)
987 {
988 struct purex_item *item;
989
990 item = qla24xx_alloc_purex_item(vha,
991 QLA_DEFAULT_PAYLOAD_SIZE);
992 if (!item)
993 return item;
994
995 memcpy(&item->iocb, pkt, sizeof(item->iocb));
996 return item;
997 }
998
999 /**
1000 * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can
1001 * span over multiple IOCBs.
1002 * @vha: SCSI driver HA context
1003 * @pkt: ELS packet
1004 * @rsp: Response queue
1005 */
1006 static struct purex_item *
qla27xx_copy_fpin_pkt(struct scsi_qla_host * vha,void ** pkt,struct rsp_que ** rsp)1007 qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt,
1008 struct rsp_que **rsp)
1009 {
1010 struct purex_entry_24xx *purex = *pkt;
1011 struct rsp_que *rsp_q = *rsp;
1012 sts_cont_entry_t *new_pkt;
1013 uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0;
1014 uint16_t buffer_copy_offset = 0;
1015 uint16_t entry_count, entry_count_remaining;
1016 struct purex_item *item;
1017 void *fpin_pkt = NULL;
1018
1019 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF)
1020 - PURX_ELS_HEADER_SIZE;
1021 pending_bytes = total_bytes;
1022 entry_count = entry_count_remaining = purex->entry_count;
1023 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ?
1024 sizeof(purex->els_frame_payload) : pending_bytes;
1025 ql_log(ql_log_info, vha, 0x509a,
1026 "FPIN ELS, frame_size 0x%x, entry count %d\n",
1027 total_bytes, entry_count);
1028
1029 item = qla24xx_alloc_purex_item(vha, total_bytes);
1030 if (!item)
1031 return item;
1032
1033 fpin_pkt = &item->iocb;
1034
1035 memcpy(fpin_pkt, &purex->els_frame_payload[0], no_bytes);
1036 buffer_copy_offset += no_bytes;
1037 pending_bytes -= no_bytes;
1038 --entry_count_remaining;
1039
1040 ((response_t *)purex)->signature = RESPONSE_PROCESSED;
1041 wmb();
1042
1043 do {
1044 while ((total_bytes > 0) && (entry_count_remaining > 0)) {
1045 if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) {
1046 ql_dbg(ql_dbg_async, vha, 0x5084,
1047 "Ran out of IOCBs, partial data 0x%x\n",
1048 buffer_copy_offset);
1049 cpu_relax();
1050 continue;
1051 }
1052
1053 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
1054 *pkt = new_pkt;
1055
1056 if (new_pkt->entry_type != STATUS_CONT_TYPE) {
1057 ql_log(ql_log_warn, vha, 0x507a,
1058 "Unexpected IOCB type, partial data 0x%x\n",
1059 buffer_copy_offset);
1060 break;
1061 }
1062
1063 rsp_q->ring_index++;
1064 if (rsp_q->ring_index == rsp_q->length) {
1065 rsp_q->ring_index = 0;
1066 rsp_q->ring_ptr = rsp_q->ring;
1067 } else {
1068 rsp_q->ring_ptr++;
1069 }
1070 no_bytes = (pending_bytes > sizeof(new_pkt->data)) ?
1071 sizeof(new_pkt->data) : pending_bytes;
1072 if ((buffer_copy_offset + no_bytes) <= total_bytes) {
1073 memcpy(((uint8_t *)fpin_pkt +
1074 buffer_copy_offset), new_pkt->data,
1075 no_bytes);
1076 buffer_copy_offset += no_bytes;
1077 pending_bytes -= no_bytes;
1078 --entry_count_remaining;
1079 } else {
1080 ql_log(ql_log_warn, vha, 0x5044,
1081 "Attempt to copy more that we got, optimizing..%x\n",
1082 buffer_copy_offset);
1083 memcpy(((uint8_t *)fpin_pkt +
1084 buffer_copy_offset), new_pkt->data,
1085 total_bytes - buffer_copy_offset);
1086 }
1087
1088 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
1089 wmb();
1090 }
1091
1092 if (pending_bytes != 0 || entry_count_remaining != 0) {
1093 ql_log(ql_log_fatal, vha, 0x508b,
1094 "Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n",
1095 total_bytes, entry_count_remaining);
1096 qla24xx_free_purex_item(item);
1097 return NULL;
1098 }
1099 } while (entry_count_remaining > 0);
1100 host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes);
1101 return item;
1102 }
1103
1104 /**
1105 * qla2x00_async_event() - Process aynchronous events.
1106 * @vha: SCSI driver HA context
1107 * @rsp: response queue
1108 * @mb: Mailbox registers (0 - 3)
1109 */
1110 void
qla2x00_async_event(scsi_qla_host_t * vha,struct rsp_que * rsp,uint16_t * mb)1111 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1112 {
1113 uint16_t handle_cnt;
1114 uint16_t cnt, mbx;
1115 uint32_t handles[5];
1116 struct qla_hw_data *ha = vha->hw;
1117 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1118 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
1119 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1120 uint32_t rscn_entry, host_pid;
1121 unsigned long flags;
1122 fc_port_t *fcport = NULL;
1123
1124 if (!vha->hw->flags.fw_started)
1125 return;
1126
1127 /* Setup to process RIO completion. */
1128 handle_cnt = 0;
1129 if (IS_CNA_CAPABLE(ha))
1130 goto skip_rio;
1131 switch (mb[0]) {
1132 case MBA_SCSI_COMPLETION:
1133 handles[0] = make_handle(mb[2], mb[1]);
1134 handle_cnt = 1;
1135 break;
1136 case MBA_CMPLT_1_16BIT:
1137 handles[0] = mb[1];
1138 handle_cnt = 1;
1139 mb[0] = MBA_SCSI_COMPLETION;
1140 break;
1141 case MBA_CMPLT_2_16BIT:
1142 handles[0] = mb[1];
1143 handles[1] = mb[2];
1144 handle_cnt = 2;
1145 mb[0] = MBA_SCSI_COMPLETION;
1146 break;
1147 case MBA_CMPLT_3_16BIT:
1148 handles[0] = mb[1];
1149 handles[1] = mb[2];
1150 handles[2] = mb[3];
1151 handle_cnt = 3;
1152 mb[0] = MBA_SCSI_COMPLETION;
1153 break;
1154 case MBA_CMPLT_4_16BIT:
1155 handles[0] = mb[1];
1156 handles[1] = mb[2];
1157 handles[2] = mb[3];
1158 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
1159 handle_cnt = 4;
1160 mb[0] = MBA_SCSI_COMPLETION;
1161 break;
1162 case MBA_CMPLT_5_16BIT:
1163 handles[0] = mb[1];
1164 handles[1] = mb[2];
1165 handles[2] = mb[3];
1166 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
1167 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
1168 handle_cnt = 5;
1169 mb[0] = MBA_SCSI_COMPLETION;
1170 break;
1171 case MBA_CMPLT_2_32BIT:
1172 handles[0] = make_handle(mb[2], mb[1]);
1173 handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7),
1174 RD_MAILBOX_REG(ha, reg, 6));
1175 handle_cnt = 2;
1176 mb[0] = MBA_SCSI_COMPLETION;
1177 break;
1178 default:
1179 break;
1180 }
1181 skip_rio:
1182 switch (mb[0]) {
1183 case MBA_SCSI_COMPLETION: /* Fast Post */
1184 if (!vha->flags.online)
1185 break;
1186
1187 for (cnt = 0; cnt < handle_cnt; cnt++)
1188 qla2x00_process_completed_request(vha, rsp->req,
1189 handles[cnt]);
1190 break;
1191
1192 case MBA_RESET: /* Reset */
1193 ql_dbg(ql_dbg_async, vha, 0x5002,
1194 "Asynchronous RESET.\n");
1195
1196 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1197 break;
1198
1199 case MBA_SYSTEM_ERR: /* System Error */
1200 mbx = 0;
1201
1202 vha->hw_err_cnt++;
1203
1204 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
1205 IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1206 u16 m[4];
1207
1208 m[0] = rd_reg_word(®24->mailbox4);
1209 m[1] = rd_reg_word(®24->mailbox5);
1210 m[2] = rd_reg_word(®24->mailbox6);
1211 mbx = m[3] = rd_reg_word(®24->mailbox7);
1212
1213 ql_log(ql_log_warn, vha, 0x5003,
1214 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n",
1215 mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]);
1216 } else
1217 ql_log(ql_log_warn, vha, 0x5003,
1218 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ",
1219 mb[1], mb[2], mb[3]);
1220
1221 if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
1222 rd_reg_word(®24->mailbox7) & BIT_8)
1223 ha->isp_ops->mpi_fw_dump(vha, 1);
1224 ha->isp_ops->fw_dump(vha);
1225 ha->flags.fw_init_done = 0;
1226 QLA_FW_STOPPED(ha);
1227
1228 if (IS_FWI2_CAPABLE(ha)) {
1229 if (mb[1] == 0 && mb[2] == 0) {
1230 ql_log(ql_log_fatal, vha, 0x5004,
1231 "Unrecoverable Hardware Error: adapter "
1232 "marked OFFLINE!\n");
1233 vha->flags.online = 0;
1234 vha->device_flags |= DFLG_DEV_FAILED;
1235 } else {
1236 /* Check to see if MPI timeout occurred */
1237 if ((mbx & MBX_3) && (ha->port_no == 0))
1238 set_bit(MPI_RESET_NEEDED,
1239 &vha->dpc_flags);
1240
1241 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1242 }
1243 } else if (mb[1] == 0) {
1244 ql_log(ql_log_fatal, vha, 0x5005,
1245 "Unrecoverable Hardware Error: adapter marked "
1246 "OFFLINE!\n");
1247 vha->flags.online = 0;
1248 vha->device_flags |= DFLG_DEV_FAILED;
1249 } else
1250 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1251 break;
1252
1253 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
1254 ql_log(ql_log_warn, vha, 0x5006,
1255 "ISP Request Transfer Error (%x).\n", mb[1]);
1256
1257 vha->hw_err_cnt++;
1258
1259 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1260 break;
1261
1262 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
1263 ql_log(ql_log_warn, vha, 0x5007,
1264 "ISP Response Transfer Error (%x).\n", mb[1]);
1265
1266 vha->hw_err_cnt++;
1267
1268 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1269 break;
1270
1271 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
1272 ql_dbg(ql_dbg_async, vha, 0x5008,
1273 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
1274 break;
1275
1276 case MBA_LOOP_INIT_ERR:
1277 ql_log(ql_log_warn, vha, 0x5090,
1278 "LOOP INIT ERROR (%x).\n", mb[1]);
1279 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1280 break;
1281
1282 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
1283 ha->flags.lip_ae = 1;
1284
1285 ql_dbg(ql_dbg_async, vha, 0x5009,
1286 "LIP occurred (%x).\n", mb[1]);
1287
1288 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1289 atomic_set(&vha->loop_state, LOOP_DOWN);
1290 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1291 qla2x00_mark_all_devices_lost(vha);
1292 }
1293
1294 if (vha->vp_idx) {
1295 atomic_set(&vha->vp_state, VP_FAILED);
1296 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1297 }
1298
1299 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
1300 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1301
1302 vha->flags.management_server_logged_in = 0;
1303 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1304 break;
1305
1306 case MBA_LOOP_UP: /* Loop Up Event */
1307 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1308 ha->link_data_rate = PORT_SPEED_1GB;
1309 else
1310 ha->link_data_rate = mb[1];
1311
1312 ql_log(ql_log_info, vha, 0x500a,
1313 "LOOP UP detected (%s Gbps).\n",
1314 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1315
1316 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1317 if (mb[2] & BIT_0)
1318 ql_log(ql_log_info, vha, 0x11a0,
1319 "FEC=enabled (link up).\n");
1320 }
1321
1322 vha->flags.management_server_logged_in = 0;
1323 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1324
1325 if (vha->link_down_time < vha->hw->port_down_retry_count) {
1326 vha->short_link_down_cnt++;
1327 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
1328 }
1329
1330 break;
1331
1332 case MBA_LOOP_DOWN: /* Loop Down Event */
1333 SAVE_TOPO(ha);
1334 ha->flags.lip_ae = 0;
1335 ha->current_topology = 0;
1336 vha->link_down_time = 0;
1337
1338 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
1339 ? rd_reg_word(®24->mailbox4) : 0;
1340 mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(®82->mailbox_out[4])
1341 : mbx;
1342 ql_log(ql_log_info, vha, 0x500b,
1343 "LOOP DOWN detected (%x %x %x %x).\n",
1344 mb[1], mb[2], mb[3], mbx);
1345
1346 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1347 atomic_set(&vha->loop_state, LOOP_DOWN);
1348 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1349 /*
1350 * In case of loop down, restore WWPN from
1351 * NVRAM in case of FA-WWPN capable ISP
1352 * Restore for Physical Port only
1353 */
1354 if (!vha->vp_idx) {
1355 if (ha->flags.fawwpn_enabled &&
1356 (ha->current_topology == ISP_CFG_F)) {
1357 void *wwpn = ha->init_cb->port_name;
1358
1359 memcpy(vha->port_name, wwpn, WWN_SIZE);
1360 fc_host_port_name(vha->host) =
1361 wwn_to_u64(vha->port_name);
1362 ql_dbg(ql_dbg_init + ql_dbg_verbose,
1363 vha, 0x00d8, "LOOP DOWN detected,"
1364 "restore WWPN %016llx\n",
1365 wwn_to_u64(vha->port_name));
1366 }
1367
1368 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
1369 }
1370
1371 vha->device_flags |= DFLG_NO_CABLE;
1372 qla2x00_mark_all_devices_lost(vha);
1373 }
1374
1375 if (vha->vp_idx) {
1376 atomic_set(&vha->vp_state, VP_FAILED);
1377 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1378 }
1379
1380 vha->flags.management_server_logged_in = 0;
1381 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1382 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1383 break;
1384
1385 case MBA_LIP_RESET: /* LIP reset occurred */
1386 ql_dbg(ql_dbg_async, vha, 0x500c,
1387 "LIP reset occurred (%x).\n", mb[1]);
1388
1389 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1390 atomic_set(&vha->loop_state, LOOP_DOWN);
1391 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1392 qla2x00_mark_all_devices_lost(vha);
1393 }
1394
1395 if (vha->vp_idx) {
1396 atomic_set(&vha->vp_state, VP_FAILED);
1397 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1398 }
1399
1400 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1401
1402 ha->operating_mode = LOOP;
1403 vha->flags.management_server_logged_in = 0;
1404 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1405 break;
1406
1407 /* case MBA_DCBX_COMPLETE: */
1408 case MBA_POINT_TO_POINT: /* Point-to-Point */
1409 ha->flags.lip_ae = 0;
1410
1411 if (IS_QLA2100(ha))
1412 break;
1413
1414 if (IS_CNA_CAPABLE(ha)) {
1415 ql_dbg(ql_dbg_async, vha, 0x500d,
1416 "DCBX Completed -- %04x %04x %04x.\n",
1417 mb[1], mb[2], mb[3]);
1418 if (ha->notify_dcbx_comp && !vha->vp_idx)
1419 complete(&ha->dcbx_comp);
1420
1421 } else
1422 ql_dbg(ql_dbg_async, vha, 0x500e,
1423 "Asynchronous P2P MODE received.\n");
1424
1425 /*
1426 * Until there's a transition from loop down to loop up, treat
1427 * this as loop down only.
1428 */
1429 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1430 atomic_set(&vha->loop_state, LOOP_DOWN);
1431 if (!atomic_read(&vha->loop_down_timer))
1432 atomic_set(&vha->loop_down_timer,
1433 LOOP_DOWN_TIME);
1434 if (!N2N_TOPO(ha))
1435 qla2x00_mark_all_devices_lost(vha);
1436 }
1437
1438 if (vha->vp_idx) {
1439 atomic_set(&vha->vp_state, VP_FAILED);
1440 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1441 }
1442
1443 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
1444 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1445
1446 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
1447 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1448
1449 vha->flags.management_server_logged_in = 0;
1450 break;
1451
1452 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
1453 if (IS_QLA2100(ha))
1454 break;
1455
1456 ql_dbg(ql_dbg_async, vha, 0x500f,
1457 "Configuration change detected: value=%x.\n", mb[1]);
1458
1459 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1460 atomic_set(&vha->loop_state, LOOP_DOWN);
1461 if (!atomic_read(&vha->loop_down_timer))
1462 atomic_set(&vha->loop_down_timer,
1463 LOOP_DOWN_TIME);
1464 qla2x00_mark_all_devices_lost(vha);
1465 }
1466
1467 if (vha->vp_idx) {
1468 atomic_set(&vha->vp_state, VP_FAILED);
1469 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1470 }
1471
1472 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1473 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1474 break;
1475
1476 case MBA_PORT_UPDATE: /* Port database update */
1477 /*
1478 * Handle only global and vn-port update events
1479 *
1480 * Relevant inputs:
1481 * mb[1] = N_Port handle of changed port
1482 * OR 0xffff for global event
1483 * mb[2] = New login state
1484 * 7 = Port logged out
1485 * mb[3] = LSB is vp_idx, 0xff = all vps
1486 *
1487 * Skip processing if:
1488 * Event is global, vp_idx is NOT all vps,
1489 * vp_idx does not match
1490 * Event is not global, vp_idx does not match
1491 */
1492 if (IS_QLA2XXX_MIDTYPE(ha) &&
1493 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
1494 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
1495 break;
1496
1497 if (mb[2] == 0x7) {
1498 ql_dbg(ql_dbg_async, vha, 0x5010,
1499 "Port %s %04x %04x %04x.\n",
1500 mb[1] == 0xffff ? "unavailable" : "logout",
1501 mb[1], mb[2], mb[3]);
1502
1503 if (mb[1] == 0xffff)
1504 goto global_port_update;
1505
1506 if (mb[1] == NPH_SNS_LID(ha)) {
1507 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1508 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1509 break;
1510 }
1511
1512 /* use handle_cnt for loop id/nport handle */
1513 if (IS_FWI2_CAPABLE(ha))
1514 handle_cnt = NPH_SNS;
1515 else
1516 handle_cnt = SIMPLE_NAME_SERVER;
1517 if (mb[1] == handle_cnt) {
1518 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1519 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1520 break;
1521 }
1522
1523 /* Port logout */
1524 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1525 if (!fcport)
1526 break;
1527 if (atomic_read(&fcport->state) != FCS_ONLINE)
1528 break;
1529 ql_dbg(ql_dbg_async, vha, 0x508a,
1530 "Marking port lost loopid=%04x portid=%06x.\n",
1531 fcport->loop_id, fcport->d_id.b24);
1532 if (qla_ini_mode_enabled(vha)) {
1533 fcport->logout_on_delete = 0;
1534 qlt_schedule_sess_for_deletion(fcport);
1535 }
1536 break;
1537
1538 global_port_update:
1539 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1540 atomic_set(&vha->loop_state, LOOP_DOWN);
1541 atomic_set(&vha->loop_down_timer,
1542 LOOP_DOWN_TIME);
1543 vha->device_flags |= DFLG_NO_CABLE;
1544 qla2x00_mark_all_devices_lost(vha);
1545 }
1546
1547 if (vha->vp_idx) {
1548 atomic_set(&vha->vp_state, VP_FAILED);
1549 fc_vport_set_state(vha->fc_vport,
1550 FC_VPORT_FAILED);
1551 qla2x00_mark_all_devices_lost(vha);
1552 }
1553
1554 vha->flags.management_server_logged_in = 0;
1555 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1556 break;
1557 }
1558
1559 /*
1560 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1561 * event etc. earlier indicating loop is down) then process
1562 * it. Otherwise ignore it and Wait for RSCN to come in.
1563 */
1564 atomic_set(&vha->loop_down_timer, 0);
1565 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1566 !ha->flags.n2n_ae &&
1567 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1568 ql_dbg(ql_dbg_async, vha, 0x5011,
1569 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1570 mb[1], mb[2], mb[3]);
1571 break;
1572 }
1573
1574 ql_dbg(ql_dbg_async, vha, 0x5012,
1575 "Port database changed %04x %04x %04x.\n",
1576 mb[1], mb[2], mb[3]);
1577
1578 /*
1579 * Mark all devices as missing so we will login again.
1580 */
1581 atomic_set(&vha->loop_state, LOOP_UP);
1582 vha->scan.scan_retry = 0;
1583
1584 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1585 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1586 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1587 break;
1588
1589 case MBA_RSCN_UPDATE: /* State Change Registration */
1590 /* Check if the Vport has issued a SCR */
1591 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1592 break;
1593 /* Only handle SCNs for our Vport index. */
1594 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1595 break;
1596
1597 ql_log(ql_log_warn, vha, 0x5013,
1598 "RSCN database changed -- %04x %04x %04x.\n",
1599 mb[1], mb[2], mb[3]);
1600
1601 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1602 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1603 | vha->d_id.b.al_pa;
1604 if (rscn_entry == host_pid) {
1605 ql_dbg(ql_dbg_async, vha, 0x5014,
1606 "Ignoring RSCN update to local host "
1607 "port ID (%06x).\n", host_pid);
1608 break;
1609 }
1610
1611 /* Ignore reserved bits from RSCN-payload. */
1612 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1613
1614 /* Skip RSCNs for virtual ports on the same physical port */
1615 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1616 break;
1617
1618 atomic_set(&vha->loop_down_timer, 0);
1619 vha->flags.management_server_logged_in = 0;
1620 {
1621 struct event_arg ea;
1622
1623 memset(&ea, 0, sizeof(ea));
1624 ea.id.b24 = rscn_entry;
1625 ea.id.b.rsvd_1 = rscn_entry >> 24;
1626 qla2x00_handle_rscn(vha, &ea);
1627 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1628 }
1629 break;
1630 case MBA_CONGN_NOTI_RECV:
1631 if (!ha->flags.scm_enabled ||
1632 mb[1] != QLA_CON_PRIMITIVE_RECEIVED)
1633 break;
1634
1635 if (mb[2] == QLA_CONGESTION_ARB_WARNING) {
1636 ql_dbg(ql_dbg_async, vha, 0x509b,
1637 "Congestion Warning %04x %04x.\n", mb[1], mb[2]);
1638 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) {
1639 ql_log(ql_log_warn, vha, 0x509b,
1640 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]);
1641 }
1642 break;
1643 /* case MBA_RIO_RESPONSE: */
1644 case MBA_ZIO_RESPONSE:
1645 ql_dbg(ql_dbg_async, vha, 0x5015,
1646 "[R|Z]IO update completion.\n");
1647
1648 if (IS_FWI2_CAPABLE(ha))
1649 qla24xx_process_response_queue(vha, rsp);
1650 else
1651 qla2x00_process_response_queue(rsp);
1652 break;
1653
1654 case MBA_DISCARD_RND_FRAME:
1655 ql_dbg(ql_dbg_async, vha, 0x5016,
1656 "Discard RND Frame -- %04x %04x %04x.\n",
1657 mb[1], mb[2], mb[3]);
1658 vha->interface_err_cnt++;
1659 break;
1660
1661 case MBA_TRACE_NOTIFICATION:
1662 ql_dbg(ql_dbg_async, vha, 0x5017,
1663 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1664 break;
1665
1666 case MBA_ISP84XX_ALERT:
1667 ql_dbg(ql_dbg_async, vha, 0x5018,
1668 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1669 mb[1], mb[2], mb[3]);
1670
1671 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1672 switch (mb[1]) {
1673 case A84_PANIC_RECOVERY:
1674 ql_log(ql_log_info, vha, 0x5019,
1675 "Alert 84XX: panic recovery %04x %04x.\n",
1676 mb[2], mb[3]);
1677 break;
1678 case A84_OP_LOGIN_COMPLETE:
1679 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1680 ql_log(ql_log_info, vha, 0x501a,
1681 "Alert 84XX: firmware version %x.\n",
1682 ha->cs84xx->op_fw_version);
1683 break;
1684 case A84_DIAG_LOGIN_COMPLETE:
1685 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1686 ql_log(ql_log_info, vha, 0x501b,
1687 "Alert 84XX: diagnostic firmware version %x.\n",
1688 ha->cs84xx->diag_fw_version);
1689 break;
1690 case A84_GOLD_LOGIN_COMPLETE:
1691 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1692 ha->cs84xx->fw_update = 1;
1693 ql_log(ql_log_info, vha, 0x501c,
1694 "Alert 84XX: gold firmware version %x.\n",
1695 ha->cs84xx->gold_fw_version);
1696 break;
1697 default:
1698 ql_log(ql_log_warn, vha, 0x501d,
1699 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1700 mb[1], mb[2], mb[3]);
1701 }
1702 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1703 break;
1704 case MBA_DCBX_START:
1705 ql_dbg(ql_dbg_async, vha, 0x501e,
1706 "DCBX Started -- %04x %04x %04x.\n",
1707 mb[1], mb[2], mb[3]);
1708 break;
1709 case MBA_DCBX_PARAM_UPDATE:
1710 ql_dbg(ql_dbg_async, vha, 0x501f,
1711 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1712 mb[1], mb[2], mb[3]);
1713 break;
1714 case MBA_FCF_CONF_ERR:
1715 ql_dbg(ql_dbg_async, vha, 0x5020,
1716 "FCF Configuration Error -- %04x %04x %04x.\n",
1717 mb[1], mb[2], mb[3]);
1718 break;
1719 case MBA_IDC_NOTIFY:
1720 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1721 mb[4] = rd_reg_word(®24->mailbox4);
1722 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1723 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1724 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1725 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1726 /*
1727 * Extend loop down timer since port is active.
1728 */
1729 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1730 atomic_set(&vha->loop_down_timer,
1731 LOOP_DOWN_TIME);
1732 qla2xxx_wake_dpc(vha);
1733 }
1734 }
1735 fallthrough;
1736 case MBA_IDC_COMPLETE:
1737 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1738 complete(&ha->lb_portup_comp);
1739 fallthrough;
1740 case MBA_IDC_TIME_EXT:
1741 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1742 IS_QLA8044(ha))
1743 qla81xx_idc_event(vha, mb[0], mb[1]);
1744 break;
1745
1746 case MBA_IDC_AEN:
1747 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1748 vha->hw_err_cnt++;
1749 qla27xx_handle_8200_aen(vha, mb);
1750 } else if (IS_QLA83XX(ha)) {
1751 mb[4] = rd_reg_word(®24->mailbox4);
1752 mb[5] = rd_reg_word(®24->mailbox5);
1753 mb[6] = rd_reg_word(®24->mailbox6);
1754 mb[7] = rd_reg_word(®24->mailbox7);
1755 qla83xx_handle_8200_aen(vha, mb);
1756 } else {
1757 ql_dbg(ql_dbg_async, vha, 0x5052,
1758 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n",
1759 mb[0], mb[1], mb[2], mb[3]);
1760 }
1761 break;
1762
1763 case MBA_DPORT_DIAGNOSTICS:
1764 ql_dbg(ql_dbg_async, vha, 0x5052,
1765 "D-Port Diagnostics: %04x %04x %04x %04x\n",
1766 mb[0], mb[1], mb[2], mb[3]);
1767 memcpy(vha->dport_data, mb, sizeof(vha->dport_data));
1768 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1769 static char *results[] = {
1770 "start", "done(pass)", "done(error)", "undefined" };
1771 static char *types[] = {
1772 "none", "dynamic", "static", "other" };
1773 uint result = mb[1] >> 0 & 0x3;
1774 uint type = mb[1] >> 6 & 0x3;
1775 uint sw = mb[1] >> 15 & 0x1;
1776 ql_dbg(ql_dbg_async, vha, 0x5052,
1777 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n",
1778 results[result], types[type], sw);
1779 if (result == 2) {
1780 static char *reasons[] = {
1781 "reserved", "unexpected reject",
1782 "unexpected phase", "retry exceeded",
1783 "timed out", "not supported",
1784 "user stopped" };
1785 uint reason = mb[2] >> 0 & 0xf;
1786 uint phase = mb[2] >> 12 & 0xf;
1787 ql_dbg(ql_dbg_async, vha, 0x5052,
1788 "D-Port Diagnostics: reason=%s phase=%u \n",
1789 reason < 7 ? reasons[reason] : "other",
1790 phase >> 1);
1791 }
1792 }
1793 break;
1794
1795 case MBA_TEMPERATURE_ALERT:
1796 ql_dbg(ql_dbg_async, vha, 0x505e,
1797 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1798 break;
1799
1800 case MBA_TRANS_INSERT:
1801 ql_dbg(ql_dbg_async, vha, 0x5091,
1802 "Transceiver Insertion: %04x\n", mb[1]);
1803 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
1804 break;
1805
1806 case MBA_TRANS_REMOVE:
1807 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n");
1808 break;
1809
1810 default:
1811 ql_dbg(ql_dbg_async, vha, 0x5057,
1812 "Unknown AEN:%04x %04x %04x %04x\n",
1813 mb[0], mb[1], mb[2], mb[3]);
1814 }
1815
1816 qlt_async_event(mb[0], vha, mb);
1817
1818 if (!vha->vp_idx && ha->num_vhosts)
1819 qla2x00_alert_all_vps(rsp, mb);
1820 }
1821
1822 /**
1823 * qla2x00_process_completed_request() - Process a Fast Post response.
1824 * @vha: SCSI driver HA context
1825 * @req: request queue
1826 * @index: SRB index
1827 */
1828 void
qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1829 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1830 struct req_que *req, uint32_t index)
1831 {
1832 srb_t *sp;
1833 struct qla_hw_data *ha = vha->hw;
1834
1835 /* Validate handle. */
1836 if (index >= req->num_outstanding_cmds) {
1837 ql_log(ql_log_warn, vha, 0x3014,
1838 "Invalid SCSI command index (%x).\n", index);
1839
1840 if (IS_P3P_TYPE(ha))
1841 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1842 else
1843 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1844 return;
1845 }
1846
1847 sp = req->outstanding_cmds[index];
1848 if (sp) {
1849 /* Free outstanding command slot. */
1850 req->outstanding_cmds[index] = NULL;
1851
1852 /* Save ISP completion status */
1853 sp->done(sp, DID_OK << 16);
1854 } else {
1855 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1856
1857 if (IS_P3P_TYPE(ha))
1858 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1859 else
1860 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1861 }
1862 }
1863
1864 srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)1865 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1866 struct req_que *req, void *iocb)
1867 {
1868 struct qla_hw_data *ha = vha->hw;
1869 sts_entry_t *pkt = iocb;
1870 srb_t *sp;
1871 uint16_t index;
1872
1873 if (pkt->handle == QLA_SKIP_HANDLE)
1874 return NULL;
1875
1876 index = LSW(pkt->handle);
1877 if (index >= req->num_outstanding_cmds) {
1878 ql_log(ql_log_warn, vha, 0x5031,
1879 "%s: Invalid command index (%x) type %8ph.\n",
1880 func, index, iocb);
1881 if (IS_P3P_TYPE(ha))
1882 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1883 else
1884 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1885 return NULL;
1886 }
1887 sp = req->outstanding_cmds[index];
1888 if (!sp) {
1889 ql_log(ql_log_warn, vha, 0x5032,
1890 "%s: Invalid completion handle (%x) -- timed-out.\n",
1891 func, index);
1892 return NULL;
1893 }
1894 if (sp->handle != index) {
1895 ql_log(ql_log_warn, vha, 0x5033,
1896 "%s: SRB handle (%x) mismatch %x.\n", func,
1897 sp->handle, index);
1898 return NULL;
1899 }
1900
1901 req->outstanding_cmds[index] = NULL;
1902 return sp;
1903 }
1904
1905 static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)1906 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1907 struct mbx_entry *mbx)
1908 {
1909 const char func[] = "MBX-IOCB";
1910 const char *type;
1911 fc_port_t *fcport;
1912 srb_t *sp;
1913 struct srb_iocb *lio;
1914 uint16_t *data;
1915 uint16_t status;
1916
1917 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1918 if (!sp)
1919 return;
1920
1921 lio = &sp->u.iocb_cmd;
1922 type = sp->name;
1923 fcport = sp->fcport;
1924 data = lio->u.logio.data;
1925
1926 data[0] = MBS_COMMAND_ERROR;
1927 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1928 QLA_LOGIO_LOGIN_RETRIED : 0;
1929 if (mbx->entry_status) {
1930 ql_dbg(ql_dbg_async, vha, 0x5043,
1931 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1932 "entry-status=%x status=%x state-flag=%x "
1933 "status-flags=%x.\n", type, sp->handle,
1934 fcport->d_id.b.domain, fcport->d_id.b.area,
1935 fcport->d_id.b.al_pa, mbx->entry_status,
1936 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1937 le16_to_cpu(mbx->status_flags));
1938
1939 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1940 mbx, sizeof(*mbx));
1941
1942 goto logio_done;
1943 }
1944
1945 status = le16_to_cpu(mbx->status);
1946 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1947 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1948 status = 0;
1949 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1950 ql_dbg(ql_dbg_async, vha, 0x5045,
1951 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1952 type, sp->handle, fcport->d_id.b.domain,
1953 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1954 le16_to_cpu(mbx->mb1));
1955
1956 data[0] = MBS_COMMAND_COMPLETE;
1957 if (sp->type == SRB_LOGIN_CMD) {
1958 fcport->port_type = FCT_TARGET;
1959 if (le16_to_cpu(mbx->mb1) & BIT_0)
1960 fcport->port_type = FCT_INITIATOR;
1961 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1962 fcport->flags |= FCF_FCP2_DEVICE;
1963 }
1964 goto logio_done;
1965 }
1966
1967 data[0] = le16_to_cpu(mbx->mb0);
1968 switch (data[0]) {
1969 case MBS_PORT_ID_USED:
1970 data[1] = le16_to_cpu(mbx->mb1);
1971 break;
1972 case MBS_LOOP_ID_USED:
1973 break;
1974 default:
1975 data[0] = MBS_COMMAND_ERROR;
1976 break;
1977 }
1978
1979 ql_log(ql_log_warn, vha, 0x5046,
1980 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1981 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1982 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1983 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1984 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1985 le16_to_cpu(mbx->mb7));
1986
1987 logio_done:
1988 sp->done(sp, 0);
1989 }
1990
1991 static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)1992 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1993 struct mbx_24xx_entry *pkt)
1994 {
1995 const char func[] = "MBX-IOCB2";
1996 struct qla_hw_data *ha = vha->hw;
1997 srb_t *sp;
1998 struct srb_iocb *si;
1999 u16 sz, i;
2000 int res;
2001
2002 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2003 if (!sp)
2004 return;
2005
2006 if (sp->type == SRB_SCSI_CMD ||
2007 sp->type == SRB_NVME_CMD ||
2008 sp->type == SRB_TM_CMD) {
2009 ql_log(ql_log_warn, vha, 0x509d,
2010 "Inconsistent event entry type %d\n", sp->type);
2011 if (IS_P3P_TYPE(ha))
2012 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2013 else
2014 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2015 return;
2016 }
2017
2018 si = &sp->u.iocb_cmd;
2019 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
2020
2021 for (i = 0; i < sz; i++)
2022 si->u.mbx.in_mb[i] = pkt->mb[i];
2023
2024 res = (si->u.mbx.in_mb[0] & MBS_MASK);
2025
2026 sp->done(sp, res);
2027 }
2028
2029 static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)2030 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2031 struct nack_to_isp *pkt)
2032 {
2033 const char func[] = "nack";
2034 srb_t *sp;
2035 int res = 0;
2036
2037 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2038 if (!sp)
2039 return;
2040
2041 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
2042 res = QLA_FUNCTION_FAILED;
2043
2044 sp->done(sp, res);
2045 }
2046
2047 static void
qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)2048 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
2049 sts_entry_t *pkt, int iocb_type)
2050 {
2051 const char func[] = "CT_IOCB";
2052 const char *type;
2053 srb_t *sp;
2054 struct bsg_job *bsg_job;
2055 struct fc_bsg_reply *bsg_reply;
2056 uint16_t comp_status;
2057 int res = 0;
2058
2059 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2060 if (!sp)
2061 return;
2062
2063 switch (sp->type) {
2064 case SRB_CT_CMD:
2065 bsg_job = sp->u.bsg_job;
2066 bsg_reply = bsg_job->reply;
2067
2068 type = "ct pass-through";
2069
2070 comp_status = le16_to_cpu(pkt->comp_status);
2071
2072 /*
2073 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2074 * fc payload to the caller
2075 */
2076 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2077 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2078
2079 if (comp_status != CS_COMPLETE) {
2080 if (comp_status == CS_DATA_UNDERRUN) {
2081 res = DID_OK << 16;
2082 bsg_reply->reply_payload_rcv_len =
2083 le16_to_cpu(pkt->rsp_info_len);
2084
2085 ql_log(ql_log_warn, vha, 0x5048,
2086 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
2087 type, comp_status,
2088 bsg_reply->reply_payload_rcv_len);
2089 } else {
2090 ql_log(ql_log_warn, vha, 0x5049,
2091 "CT pass-through-%s error comp_status=0x%x.\n",
2092 type, comp_status);
2093 res = DID_ERROR << 16;
2094 bsg_reply->reply_payload_rcv_len = 0;
2095 }
2096 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
2097 pkt, sizeof(*pkt));
2098 } else {
2099 res = DID_OK << 16;
2100 bsg_reply->reply_payload_rcv_len =
2101 bsg_job->reply_payload.payload_len;
2102 bsg_job->reply_len = 0;
2103 }
2104 break;
2105 case SRB_CT_PTHRU_CMD:
2106 /*
2107 * borrowing sts_entry_24xx.comp_status.
2108 * same location as ct_entry_24xx.comp_status
2109 */
2110 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
2111 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2112 sp->name);
2113 break;
2114 }
2115
2116 sp->done(sp, res);
2117 }
2118
2119 static void
qla24xx_els_ct_entry(scsi_qla_host_t * v,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)2120 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req,
2121 struct sts_entry_24xx *pkt, int iocb_type)
2122 {
2123 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt;
2124 const char func[] = "ELS_CT_IOCB";
2125 const char *type;
2126 srb_t *sp;
2127 struct bsg_job *bsg_job;
2128 struct fc_bsg_reply *bsg_reply;
2129 uint16_t comp_status;
2130 uint32_t fw_status[3];
2131 int res, logit = 1;
2132 struct srb_iocb *els;
2133 uint n;
2134 scsi_qla_host_t *vha;
2135 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt;
2136
2137 sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
2138 if (!sp)
2139 return;
2140 bsg_job = sp->u.bsg_job;
2141 vha = sp->vha;
2142
2143 type = NULL;
2144
2145 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
2146 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
2147 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
2148
2149 switch (sp->type) {
2150 case SRB_ELS_CMD_RPT:
2151 case SRB_ELS_CMD_HST:
2152 type = "rpt hst";
2153 break;
2154 case SRB_ELS_CMD_HST_NOLOGIN:
2155 type = "els";
2156 {
2157 struct els_entry_24xx *els = (void *)pkt;
2158 struct qla_bsg_auth_els_request *p =
2159 (struct qla_bsg_auth_els_request *)bsg_job->request;
2160
2161 ql_dbg(ql_dbg_user, vha, 0x700f,
2162 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n",
2163 __func__, sc_to_str(p->e.sub_cmd),
2164 e->d_id[2], e->d_id[1], e->d_id[0],
2165 comp_status, p->e.extra_rx_xchg_address, bsg_job);
2166
2167 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) {
2168 if (sp->remap.remapped) {
2169 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2170 bsg_job->reply_payload.sg_cnt,
2171 sp->remap.rsp.buf,
2172 sp->remap.rsp.len);
2173 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e,
2174 "%s: SG copied %x of %x\n",
2175 __func__, n, sp->remap.rsp.len);
2176 } else {
2177 ql_dbg(ql_dbg_user, vha, 0x700f,
2178 "%s: NOT REMAPPED (error)...!!!\n",
2179 __func__);
2180 }
2181 }
2182 }
2183 break;
2184 case SRB_CT_CMD:
2185 type = "ct pass-through";
2186 break;
2187 case SRB_ELS_DCMD:
2188 type = "Driver ELS logo";
2189 if (iocb_type != ELS_IOCB_TYPE) {
2190 ql_dbg(ql_dbg_user, vha, 0x5047,
2191 "Completing %s: (%p) type=%d.\n",
2192 type, sp, sp->type);
2193 sp->done(sp, 0);
2194 return;
2195 }
2196 break;
2197 case SRB_CT_PTHRU_CMD:
2198 /* borrowing sts_entry_24xx.comp_status.
2199 same location as ct_entry_24xx.comp_status
2200 */
2201 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
2202 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2203 sp->name);
2204 sp->done(sp, res);
2205 return;
2206 default:
2207 ql_dbg(ql_dbg_user, vha, 0x503e,
2208 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
2209 return;
2210 }
2211
2212 if (iocb_type == ELS_IOCB_TYPE) {
2213 els = &sp->u.iocb_cmd;
2214 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]);
2215 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]);
2216 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]);
2217 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]);
2218 if (comp_status == CS_COMPLETE) {
2219 res = DID_OK << 16;
2220 } else {
2221 if (comp_status == CS_DATA_UNDERRUN) {
2222 res = DID_OK << 16;
2223 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu(
2224 ese->total_byte_count));
2225
2226 if (sp->remap.remapped &&
2227 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) {
2228 ql_dbg(ql_dbg_user, vha, 0x503f,
2229 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x",
2230 __func__, e->s_id[0], e->s_id[2], e->s_id[1],
2231 e->d_id[2], e->d_id[1], e->d_id[0]);
2232 logit = 0;
2233 }
2234
2235 } else if (comp_status == CS_PORT_LOGGED_OUT) {
2236 els->u.els_plogi.len = 0;
2237 res = DID_IMM_RETRY << 16;
2238 qlt_schedule_sess_for_deletion(sp->fcport);
2239 } else {
2240 els->u.els_plogi.len = 0;
2241 res = DID_ERROR << 16;
2242 }
2243
2244 if (logit) {
2245 if (sp->remap.remapped &&
2246 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) {
2247 ql_dbg(ql_dbg_user, vha, 0x503f,
2248 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n",
2249 type, sp->handle, comp_status);
2250
2251 ql_dbg(ql_dbg_user, vha, 0x503f,
2252 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2253 fw_status[1], fw_status[2],
2254 le32_to_cpu(((struct els_sts_entry_24xx *)
2255 pkt)->total_byte_count),
2256 e->s_id[0], e->s_id[2], e->s_id[1],
2257 e->d_id[2], e->d_id[1], e->d_id[0]);
2258 } else {
2259 ql_log(ql_log_info, vha, 0x503f,
2260 "%s IOCB Done hdl=%x comp_status=0x%x\n",
2261 type, sp->handle, comp_status);
2262 ql_log(ql_log_info, vha, 0x503f,
2263 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2264 fw_status[1], fw_status[2],
2265 le32_to_cpu(((struct els_sts_entry_24xx *)
2266 pkt)->total_byte_count),
2267 e->s_id[0], e->s_id[2], e->s_id[1],
2268 e->d_id[2], e->d_id[1], e->d_id[0]);
2269 }
2270 }
2271 }
2272 goto els_ct_done;
2273 }
2274
2275 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2276 * fc payload to the caller
2277 */
2278 bsg_job = sp->u.bsg_job;
2279 bsg_reply = bsg_job->reply;
2280 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2281 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
2282
2283 if (comp_status != CS_COMPLETE) {
2284 if (comp_status == CS_DATA_UNDERRUN) {
2285 res = DID_OK << 16;
2286 bsg_reply->reply_payload_rcv_len =
2287 le32_to_cpu(ese->total_byte_count);
2288
2289 ql_dbg(ql_dbg_user, vha, 0x503f,
2290 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2291 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
2292 type, sp->handle, comp_status, fw_status[1], fw_status[2],
2293 le32_to_cpu(ese->total_byte_count));
2294 } else {
2295 ql_dbg(ql_dbg_user, vha, 0x5040,
2296 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2297 "error subcode 1=0x%x error subcode 2=0x%x.\n",
2298 type, sp->handle, comp_status,
2299 le32_to_cpu(ese->error_subcode_1),
2300 le32_to_cpu(ese->error_subcode_2));
2301 res = DID_ERROR << 16;
2302 bsg_reply->reply_payload_rcv_len = 0;
2303 }
2304 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
2305 fw_status, sizeof(fw_status));
2306 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
2307 pkt, sizeof(*pkt));
2308 }
2309 else {
2310 res = DID_OK << 16;
2311 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
2312 bsg_job->reply_len = 0;
2313 }
2314 els_ct_done:
2315
2316 sp->done(sp, res);
2317 }
2318
2319 static void
qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)2320 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
2321 struct logio_entry_24xx *logio)
2322 {
2323 const char func[] = "LOGIO-IOCB";
2324 const char *type;
2325 fc_port_t *fcport;
2326 srb_t *sp;
2327 struct srb_iocb *lio;
2328 uint16_t *data;
2329 uint32_t iop[2];
2330 int logit = 1;
2331
2332 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
2333 if (!sp)
2334 return;
2335
2336 lio = &sp->u.iocb_cmd;
2337 type = sp->name;
2338 fcport = sp->fcport;
2339 data = lio->u.logio.data;
2340
2341 data[0] = MBS_COMMAND_ERROR;
2342 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
2343 QLA_LOGIO_LOGIN_RETRIED : 0;
2344 if (logio->entry_status) {
2345 ql_log(ql_log_warn, fcport->vha, 0x5034,
2346 "Async-%s error entry - %8phC hdl=%x"
2347 "portid=%02x%02x%02x entry-status=%x.\n",
2348 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
2349 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2350 logio->entry_status);
2351 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
2352 logio, sizeof(*logio));
2353
2354 goto logio_done;
2355 }
2356
2357 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
2358 ql_dbg(ql_dbg_async, sp->vha, 0x5036,
2359 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n",
2360 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2361 le32_to_cpu(logio->io_parameter[0]));
2362
2363 vha->hw->exch_starvation = 0;
2364 data[0] = MBS_COMMAND_COMPLETE;
2365
2366 if (sp->type == SRB_PRLI_CMD) {
2367 lio->u.logio.iop[0] =
2368 le32_to_cpu(logio->io_parameter[0]);
2369 lio->u.logio.iop[1] =
2370 le32_to_cpu(logio->io_parameter[1]);
2371 goto logio_done;
2372 }
2373
2374 if (sp->type != SRB_LOGIN_CMD)
2375 goto logio_done;
2376
2377 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]);
2378 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP)
2379 fcport->flags |= FCF_FCSP_DEVICE;
2380
2381 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2382 if (iop[0] & BIT_4) {
2383 fcport->port_type = FCT_TARGET;
2384 if (iop[0] & BIT_8)
2385 fcport->flags |= FCF_FCP2_DEVICE;
2386 } else if (iop[0] & BIT_5)
2387 fcport->port_type = FCT_INITIATOR;
2388
2389 if (iop[0] & BIT_7)
2390 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
2391
2392 if (logio->io_parameter[7] || logio->io_parameter[8])
2393 fcport->supported_classes |= FC_COS_CLASS2;
2394 if (logio->io_parameter[9] || logio->io_parameter[10])
2395 fcport->supported_classes |= FC_COS_CLASS3;
2396
2397 goto logio_done;
2398 }
2399
2400 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2401 iop[1] = le32_to_cpu(logio->io_parameter[1]);
2402 lio->u.logio.iop[0] = iop[0];
2403 lio->u.logio.iop[1] = iop[1];
2404 switch (iop[0]) {
2405 case LSC_SCODE_PORTID_USED:
2406 data[0] = MBS_PORT_ID_USED;
2407 data[1] = LSW(iop[1]);
2408 logit = 0;
2409 break;
2410 case LSC_SCODE_NPORT_USED:
2411 data[0] = MBS_LOOP_ID_USED;
2412 logit = 0;
2413 break;
2414 case LSC_SCODE_CMD_FAILED:
2415 if (iop[1] == 0x0606) {
2416 /*
2417 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
2418 * Target side acked.
2419 */
2420 data[0] = MBS_COMMAND_COMPLETE;
2421 goto logio_done;
2422 }
2423 data[0] = MBS_COMMAND_ERROR;
2424 break;
2425 case LSC_SCODE_NOXCB:
2426 vha->hw->exch_starvation++;
2427 if (vha->hw->exch_starvation > 5) {
2428 ql_log(ql_log_warn, vha, 0xd046,
2429 "Exchange starvation. Resetting RISC\n");
2430
2431 vha->hw->exch_starvation = 0;
2432
2433 if (IS_P3P_TYPE(vha->hw))
2434 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2435 else
2436 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2437 qla2xxx_wake_dpc(vha);
2438 }
2439 fallthrough;
2440 default:
2441 data[0] = MBS_COMMAND_ERROR;
2442 break;
2443 }
2444
2445 if (logit)
2446 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: "
2447 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
2448 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2449 le16_to_cpu(logio->comp_status),
2450 le32_to_cpu(logio->io_parameter[0]),
2451 le32_to_cpu(logio->io_parameter[1]));
2452 else
2453 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: "
2454 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
2455 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2456 le16_to_cpu(logio->comp_status),
2457 le32_to_cpu(logio->io_parameter[0]),
2458 le32_to_cpu(logio->io_parameter[1]));
2459
2460 logio_done:
2461 sp->done(sp, 0);
2462 }
2463
2464 static void
qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)2465 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
2466 {
2467 const char func[] = "TMF-IOCB";
2468 const char *type;
2469 fc_port_t *fcport;
2470 srb_t *sp;
2471 struct srb_iocb *iocb;
2472 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2473 u16 comp_status;
2474
2475 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
2476 if (!sp)
2477 return;
2478
2479 comp_status = le16_to_cpu(sts->comp_status);
2480 iocb = &sp->u.iocb_cmd;
2481 type = sp->name;
2482 fcport = sp->fcport;
2483 iocb->u.tmf.data = QLA_SUCCESS;
2484
2485 if (sts->entry_status) {
2486 ql_log(ql_log_warn, fcport->vha, 0x5038,
2487 "Async-%s error - hdl=%x entry-status(%x).\n",
2488 type, sp->handle, sts->entry_status);
2489 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2490 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
2491 ql_log(ql_log_warn, fcport->vha, 0x5039,
2492 "Async-%s error - hdl=%x completion status(%x).\n",
2493 type, sp->handle, comp_status);
2494 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2495 } else if ((le16_to_cpu(sts->scsi_status) &
2496 SS_RESPONSE_INFO_LEN_VALID)) {
2497 if (le32_to_cpu(sts->rsp_data_len) < 4) {
2498 ql_log(ql_log_warn, fcport->vha, 0x503b,
2499 "Async-%s error - hdl=%x not enough response(%d).\n",
2500 type, sp->handle, sts->rsp_data_len);
2501 } else if (sts->data[3]) {
2502 ql_log(ql_log_warn, fcport->vha, 0x503c,
2503 "Async-%s error - hdl=%x response(%x).\n",
2504 type, sp->handle, sts->data[3]);
2505 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2506 }
2507 }
2508
2509 switch (comp_status) {
2510 case CS_PORT_LOGGED_OUT:
2511 case CS_PORT_CONFIG_CHG:
2512 case CS_PORT_BUSY:
2513 case CS_INCOMPLETE:
2514 case CS_PORT_UNAVAILABLE:
2515 case CS_TIMEOUT:
2516 case CS_RESET:
2517 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2518 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2519 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n",
2520 fcport->d_id.b.domain, fcport->d_id.b.area,
2521 fcport->d_id.b.al_pa,
2522 port_state_str[FCS_ONLINE],
2523 comp_status);
2524
2525 qlt_schedule_sess_for_deletion(fcport);
2526 }
2527 break;
2528
2529 default:
2530 break;
2531 }
2532
2533 if (iocb->u.tmf.data != QLA_SUCCESS)
2534 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
2535 sts, sizeof(*sts));
2536
2537 sp->done(sp, 0);
2538 }
2539
qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk,srb_t * sp)2540 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2541 void *tsk, srb_t *sp)
2542 {
2543 fc_port_t *fcport;
2544 struct srb_iocb *iocb;
2545 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2546 uint16_t state_flags;
2547 struct nvmefc_fcp_req *fd;
2548 uint16_t ret = QLA_SUCCESS;
2549 __le16 comp_status = sts->comp_status;
2550 int logit = 0;
2551
2552 iocb = &sp->u.iocb_cmd;
2553 fcport = sp->fcport;
2554 iocb->u.nvme.comp_status = comp_status;
2555 state_flags = le16_to_cpu(sts->state_flags);
2556 fd = iocb->u.nvme.desc;
2557
2558 if (unlikely(iocb->u.nvme.aen_op))
2559 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
2560 else
2561 sp->qpair->cmd_completion_cnt++;
2562
2563 if (unlikely(comp_status != CS_COMPLETE))
2564 logit = 1;
2565
2566 fd->transferred_length = fd->payload_length -
2567 le32_to_cpu(sts->residual_len);
2568
2569 /*
2570 * State flags: Bit 6 and 0.
2571 * If 0 is set, we don't care about 6.
2572 * both cases resp was dma'd to host buffer
2573 * if both are 0, that is good path case.
2574 * if six is set and 0 is clear, we need to
2575 * copy resp data from status iocb to resp buffer.
2576 */
2577 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
2578 iocb->u.nvme.rsp_pyld_len = 0;
2579 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) ==
2580 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) {
2581 /* Response already DMA'd to fd->rspaddr. */
2582 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2583 } else if ((state_flags & SF_FCP_RSP_DMA)) {
2584 /*
2585 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this
2586 * as an error.
2587 */
2588 iocb->u.nvme.rsp_pyld_len = 0;
2589 fd->transferred_length = 0;
2590 ql_dbg(ql_dbg_io, fcport->vha, 0x307a,
2591 "Unexpected values in NVMe_RSP IU.\n");
2592 logit = 1;
2593 } else if (state_flags & SF_NVME_ERSP) {
2594 uint32_t *inbuf, *outbuf;
2595 uint16_t iter;
2596
2597 inbuf = (uint32_t *)&sts->nvme_ersp_data;
2598 outbuf = (uint32_t *)fd->rspaddr;
2599 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2600 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >
2601 sizeof(struct nvme_fc_ersp_iu))) {
2602 if (ql_mask_match(ql_dbg_io)) {
2603 WARN_ONCE(1, "Unexpected response payload length %u.\n",
2604 iocb->u.nvme.rsp_pyld_len);
2605 ql_log(ql_log_warn, fcport->vha, 0x5100,
2606 "Unexpected response payload length %u.\n",
2607 iocb->u.nvme.rsp_pyld_len);
2608 }
2609 iocb->u.nvme.rsp_pyld_len =
2610 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu));
2611 }
2612 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2;
2613 for (; iter; iter--)
2614 *outbuf++ = swab32(*inbuf++);
2615 }
2616
2617 if (state_flags & SF_NVME_ERSP) {
2618 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr;
2619 u32 tgt_xfer_len;
2620
2621 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len);
2622 if (fd->transferred_length != tgt_xfer_len) {
2623 ql_log(ql_log_warn, fcport->vha, 0x3079,
2624 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n",
2625 tgt_xfer_len, fd->transferred_length);
2626 logit = 1;
2627 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) {
2628 /*
2629 * Do not log if this is just an underflow and there
2630 * is no data loss.
2631 */
2632 logit = 0;
2633 }
2634 }
2635
2636 if (unlikely(logit))
2637 ql_log(ql_dbg_io, fcport->vha, 0x5060,
2638 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
2639 sp->name, sp->handle, comp_status,
2640 fd->transferred_length, le32_to_cpu(sts->residual_len),
2641 sts->ox_id);
2642
2643 /*
2644 * If transport error then Failure (HBA rejects request)
2645 * otherwise transport will handle.
2646 */
2647 switch (le16_to_cpu(comp_status)) {
2648 case CS_COMPLETE:
2649 break;
2650
2651 case CS_RESET:
2652 case CS_PORT_UNAVAILABLE:
2653 case CS_PORT_LOGGED_OUT:
2654 fcport->nvme_flag |= NVME_FLAG_RESETTING;
2655 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2656 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2657 "Port to be marked lost on fcport=%06x, current "
2658 "port state= %s comp_status %x.\n",
2659 fcport->d_id.b24, port_state_str[FCS_ONLINE],
2660 comp_status);
2661
2662 qlt_schedule_sess_for_deletion(fcport);
2663 }
2664 fallthrough;
2665 case CS_ABORTED:
2666 case CS_PORT_BUSY:
2667 fd->transferred_length = 0;
2668 iocb->u.nvme.rsp_pyld_len = 0;
2669 ret = QLA_ABORTED;
2670 break;
2671 case CS_DATA_UNDERRUN:
2672 break;
2673 default:
2674 ret = QLA_FUNCTION_FAILED;
2675 break;
2676 }
2677 sp->done(sp, ret);
2678 }
2679
qla_ctrlvp_completed(scsi_qla_host_t * vha,struct req_que * req,struct vp_ctrl_entry_24xx * vce)2680 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
2681 struct vp_ctrl_entry_24xx *vce)
2682 {
2683 const char func[] = "CTRLVP-IOCB";
2684 srb_t *sp;
2685 int rval = QLA_SUCCESS;
2686
2687 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
2688 if (!sp)
2689 return;
2690
2691 if (vce->entry_status != 0) {
2692 ql_dbg(ql_dbg_vport, vha, 0x10c4,
2693 "%s: Failed to complete IOCB -- error status (%x)\n",
2694 sp->name, vce->entry_status);
2695 rval = QLA_FUNCTION_FAILED;
2696 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
2697 ql_dbg(ql_dbg_vport, vha, 0x10c5,
2698 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
2699 sp->name, le16_to_cpu(vce->comp_status),
2700 le16_to_cpu(vce->vp_idx_failed));
2701 rval = QLA_FUNCTION_FAILED;
2702 } else {
2703 ql_dbg(ql_dbg_vport, vha, 0x10c6,
2704 "Done %s.\n", __func__);
2705 }
2706
2707 sp->rc = rval;
2708 sp->done(sp, rval);
2709 }
2710
2711 /* Process a single response queue entry. */
qla2x00_process_response_entry(struct scsi_qla_host * vha,struct rsp_que * rsp,sts_entry_t * pkt)2712 static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
2713 struct rsp_que *rsp,
2714 sts_entry_t *pkt)
2715 {
2716 sts21_entry_t *sts21_entry;
2717 sts22_entry_t *sts22_entry;
2718 uint16_t handle_cnt;
2719 uint16_t cnt;
2720
2721 switch (pkt->entry_type) {
2722 case STATUS_TYPE:
2723 qla2x00_status_entry(vha, rsp, pkt);
2724 break;
2725 case STATUS_TYPE_21:
2726 sts21_entry = (sts21_entry_t *)pkt;
2727 handle_cnt = sts21_entry->handle_count;
2728 for (cnt = 0; cnt < handle_cnt; cnt++)
2729 qla2x00_process_completed_request(vha, rsp->req,
2730 sts21_entry->handle[cnt]);
2731 break;
2732 case STATUS_TYPE_22:
2733 sts22_entry = (sts22_entry_t *)pkt;
2734 handle_cnt = sts22_entry->handle_count;
2735 for (cnt = 0; cnt < handle_cnt; cnt++)
2736 qla2x00_process_completed_request(vha, rsp->req,
2737 sts22_entry->handle[cnt]);
2738 break;
2739 case STATUS_CONT_TYPE:
2740 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2741 break;
2742 case MBX_IOCB_TYPE:
2743 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
2744 break;
2745 case CT_IOCB_TYPE:
2746 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2747 break;
2748 default:
2749 /* Type Not Supported. */
2750 ql_log(ql_log_warn, vha, 0x504a,
2751 "Received unknown response pkt type %x entry status=%x.\n",
2752 pkt->entry_type, pkt->entry_status);
2753 break;
2754 }
2755 }
2756
2757 /**
2758 * qla2x00_process_response_queue() - Process response queue entries.
2759 * @rsp: response queue
2760 */
2761 void
qla2x00_process_response_queue(struct rsp_que * rsp)2762 qla2x00_process_response_queue(struct rsp_que *rsp)
2763 {
2764 struct scsi_qla_host *vha;
2765 struct qla_hw_data *ha = rsp->hw;
2766 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2767 sts_entry_t *pkt;
2768
2769 vha = pci_get_drvdata(ha->pdev);
2770
2771 if (!vha->flags.online)
2772 return;
2773
2774 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2775 pkt = (sts_entry_t *)rsp->ring_ptr;
2776
2777 rsp->ring_index++;
2778 if (rsp->ring_index == rsp->length) {
2779 rsp->ring_index = 0;
2780 rsp->ring_ptr = rsp->ring;
2781 } else {
2782 rsp->ring_ptr++;
2783 }
2784
2785 if (pkt->entry_status != 0) {
2786 qla2x00_error_entry(vha, rsp, pkt);
2787 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2788 wmb();
2789 continue;
2790 }
2791
2792 qla2x00_process_response_entry(vha, rsp, pkt);
2793 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2794 wmb();
2795 }
2796
2797 /* Adjust ring index */
2798 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2799 }
2800
2801 static inline void
qla2x00_handle_sense(srb_t * sp,uint8_t * sense_data,uint32_t par_sense_len,uint32_t sense_len,struct rsp_que * rsp,int res)2802 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2803 uint32_t sense_len, struct rsp_que *rsp, int res)
2804 {
2805 struct scsi_qla_host *vha = sp->vha;
2806 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2807 uint32_t track_sense_len;
2808
2809 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2810 sense_len = SCSI_SENSE_BUFFERSIZE;
2811
2812 SET_CMD_SENSE_LEN(sp, sense_len);
2813 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2814 track_sense_len = sense_len;
2815
2816 if (sense_len > par_sense_len)
2817 sense_len = par_sense_len;
2818
2819 memcpy(cp->sense_buffer, sense_data, sense_len);
2820
2821 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2822 track_sense_len -= sense_len;
2823 SET_CMD_SENSE_LEN(sp, track_sense_len);
2824
2825 if (track_sense_len != 0) {
2826 rsp->status_srb = sp;
2827 cp->result = res;
2828 }
2829
2830 if (sense_len) {
2831 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2832 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2833 sp->vha->host_no, cp->device->id, cp->device->lun,
2834 cp);
2835 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2836 cp->sense_buffer, sense_len);
2837 }
2838 }
2839
2840 struct scsi_dif_tuple {
2841 __be16 guard; /* Checksum */
2842 __be16 app_tag; /* APPL identifier */
2843 __be32 ref_tag; /* Target LBA or indirect LBA */
2844 };
2845
2846 /*
2847 * Checks the guard or meta-data for the type of error
2848 * detected by the HBA. In case of errors, we set the
2849 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2850 * to indicate to the kernel that the HBA detected error.
2851 */
2852 static inline int
qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)2853 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2854 {
2855 struct scsi_qla_host *vha = sp->vha;
2856 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2857 uint8_t *ap = &sts24->data[12];
2858 uint8_t *ep = &sts24->data[20];
2859 uint32_t e_ref_tag, a_ref_tag;
2860 uint16_t e_app_tag, a_app_tag;
2861 uint16_t e_guard, a_guard;
2862
2863 /*
2864 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2865 * would make guard field appear at offset 2
2866 */
2867 a_guard = get_unaligned_le16(ap + 2);
2868 a_app_tag = get_unaligned_le16(ap + 0);
2869 a_ref_tag = get_unaligned_le32(ap + 4);
2870 e_guard = get_unaligned_le16(ep + 2);
2871 e_app_tag = get_unaligned_le16(ep + 0);
2872 e_ref_tag = get_unaligned_le32(ep + 4);
2873
2874 ql_dbg(ql_dbg_io, vha, 0x3023,
2875 "iocb(s) %p Returned STATUS.\n", sts24);
2876
2877 ql_dbg(ql_dbg_io, vha, 0x3024,
2878 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2879 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2880 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2881 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2882 a_app_tag, e_app_tag, a_guard, e_guard);
2883
2884 /*
2885 * Ignore sector if:
2886 * For type 3: ref & app tag is all 'f's
2887 * For type 0,1,2: app tag is all 'f's
2888 */
2889 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) &&
2890 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 ||
2891 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) {
2892 uint32_t blocks_done, resid;
2893 sector_t lba_s = scsi_get_lba(cmd);
2894
2895 /* 2TB boundary case covered automatically with this */
2896 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2897
2898 resid = scsi_bufflen(cmd) - (blocks_done *
2899 cmd->device->sector_size);
2900
2901 scsi_set_resid(cmd, resid);
2902 cmd->result = DID_OK << 16;
2903
2904 /* Update protection tag */
2905 if (scsi_prot_sg_count(cmd)) {
2906 uint32_t i, j = 0, k = 0, num_ent;
2907 struct scatterlist *sg;
2908 struct t10_pi_tuple *spt;
2909
2910 /* Patch the corresponding protection tags */
2911 scsi_for_each_prot_sg(cmd, sg,
2912 scsi_prot_sg_count(cmd), i) {
2913 num_ent = sg_dma_len(sg) / 8;
2914 if (k + num_ent < blocks_done) {
2915 k += num_ent;
2916 continue;
2917 }
2918 j = blocks_done - k - 1;
2919 k = blocks_done;
2920 break;
2921 }
2922
2923 if (k != blocks_done) {
2924 ql_log(ql_log_warn, vha, 0x302f,
2925 "unexpected tag values tag:lba=%x:%llx)\n",
2926 e_ref_tag, (unsigned long long)lba_s);
2927 return 1;
2928 }
2929
2930 spt = page_address(sg_page(sg)) + sg->offset;
2931 spt += j;
2932
2933 spt->app_tag = T10_PI_APP_ESCAPE;
2934 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2935 spt->ref_tag = T10_PI_REF_ESCAPE;
2936 }
2937
2938 return 0;
2939 }
2940
2941 /* check guard */
2942 if (e_guard != a_guard) {
2943 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1);
2944 set_host_byte(cmd, DID_ABORT);
2945 return 1;
2946 }
2947
2948 /* check ref tag */
2949 if (e_ref_tag != a_ref_tag) {
2950 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3);
2951 set_host_byte(cmd, DID_ABORT);
2952 return 1;
2953 }
2954
2955 /* check appl tag */
2956 if (e_app_tag != a_app_tag) {
2957 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2);
2958 set_host_byte(cmd, DID_ABORT);
2959 return 1;
2960 }
2961
2962 return 1;
2963 }
2964
2965 static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)2966 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2967 struct req_que *req, uint32_t index)
2968 {
2969 struct qla_hw_data *ha = vha->hw;
2970 srb_t *sp;
2971 uint16_t comp_status;
2972 uint16_t scsi_status;
2973 uint16_t thread_id;
2974 uint32_t rval = EXT_STATUS_OK;
2975 struct bsg_job *bsg_job = NULL;
2976 struct fc_bsg_request *bsg_request;
2977 struct fc_bsg_reply *bsg_reply;
2978 sts_entry_t *sts = pkt;
2979 struct sts_entry_24xx *sts24 = pkt;
2980
2981 /* Validate handle. */
2982 if (index >= req->num_outstanding_cmds) {
2983 ql_log(ql_log_warn, vha, 0x70af,
2984 "Invalid SCSI completion handle 0x%x.\n", index);
2985 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2986 return;
2987 }
2988
2989 sp = req->outstanding_cmds[index];
2990 if (!sp) {
2991 ql_log(ql_log_warn, vha, 0x70b0,
2992 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2993 req->id, index);
2994
2995 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2996 return;
2997 }
2998
2999 /* Free outstanding command slot. */
3000 req->outstanding_cmds[index] = NULL;
3001 bsg_job = sp->u.bsg_job;
3002 bsg_request = bsg_job->request;
3003 bsg_reply = bsg_job->reply;
3004
3005 if (IS_FWI2_CAPABLE(ha)) {
3006 comp_status = le16_to_cpu(sts24->comp_status);
3007 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3008 } else {
3009 comp_status = le16_to_cpu(sts->comp_status);
3010 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3011 }
3012
3013 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3014 switch (comp_status) {
3015 case CS_COMPLETE:
3016 if (scsi_status == 0) {
3017 bsg_reply->reply_payload_rcv_len =
3018 bsg_job->reply_payload.payload_len;
3019 vha->qla_stats.input_bytes +=
3020 bsg_reply->reply_payload_rcv_len;
3021 vha->qla_stats.input_requests++;
3022 rval = EXT_STATUS_OK;
3023 }
3024 goto done;
3025
3026 case CS_DATA_OVERRUN:
3027 ql_dbg(ql_dbg_user, vha, 0x70b1,
3028 "Command completed with data overrun thread_id=%d\n",
3029 thread_id);
3030 rval = EXT_STATUS_DATA_OVERRUN;
3031 break;
3032
3033 case CS_DATA_UNDERRUN:
3034 ql_dbg(ql_dbg_user, vha, 0x70b2,
3035 "Command completed with data underrun thread_id=%d\n",
3036 thread_id);
3037 rval = EXT_STATUS_DATA_UNDERRUN;
3038 break;
3039 case CS_BIDIR_RD_OVERRUN:
3040 ql_dbg(ql_dbg_user, vha, 0x70b3,
3041 "Command completed with read data overrun thread_id=%d\n",
3042 thread_id);
3043 rval = EXT_STATUS_DATA_OVERRUN;
3044 break;
3045
3046 case CS_BIDIR_RD_WR_OVERRUN:
3047 ql_dbg(ql_dbg_user, vha, 0x70b4,
3048 "Command completed with read and write data overrun "
3049 "thread_id=%d\n", thread_id);
3050 rval = EXT_STATUS_DATA_OVERRUN;
3051 break;
3052
3053 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
3054 ql_dbg(ql_dbg_user, vha, 0x70b5,
3055 "Command completed with read data over and write data "
3056 "underrun thread_id=%d\n", thread_id);
3057 rval = EXT_STATUS_DATA_OVERRUN;
3058 break;
3059
3060 case CS_BIDIR_RD_UNDERRUN:
3061 ql_dbg(ql_dbg_user, vha, 0x70b6,
3062 "Command completed with read data underrun "
3063 "thread_id=%d\n", thread_id);
3064 rval = EXT_STATUS_DATA_UNDERRUN;
3065 break;
3066
3067 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
3068 ql_dbg(ql_dbg_user, vha, 0x70b7,
3069 "Command completed with read data under and write data "
3070 "overrun thread_id=%d\n", thread_id);
3071 rval = EXT_STATUS_DATA_UNDERRUN;
3072 break;
3073
3074 case CS_BIDIR_RD_WR_UNDERRUN:
3075 ql_dbg(ql_dbg_user, vha, 0x70b8,
3076 "Command completed with read and write data underrun "
3077 "thread_id=%d\n", thread_id);
3078 rval = EXT_STATUS_DATA_UNDERRUN;
3079 break;
3080
3081 case CS_BIDIR_DMA:
3082 ql_dbg(ql_dbg_user, vha, 0x70b9,
3083 "Command completed with data DMA error thread_id=%d\n",
3084 thread_id);
3085 rval = EXT_STATUS_DMA_ERR;
3086 break;
3087
3088 case CS_TIMEOUT:
3089 ql_dbg(ql_dbg_user, vha, 0x70ba,
3090 "Command completed with timeout thread_id=%d\n",
3091 thread_id);
3092 rval = EXT_STATUS_TIMEOUT;
3093 break;
3094 default:
3095 ql_dbg(ql_dbg_user, vha, 0x70bb,
3096 "Command completed with completion status=0x%x "
3097 "thread_id=%d\n", comp_status, thread_id);
3098 rval = EXT_STATUS_ERR;
3099 break;
3100 }
3101 bsg_reply->reply_payload_rcv_len = 0;
3102
3103 done:
3104 /* Return the vendor specific reply to API */
3105 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
3106 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
3107 /* Always return DID_OK, bsg will send the vendor specific response
3108 * in this case only */
3109 sp->done(sp, DID_OK << 16);
3110
3111 }
3112
3113 /**
3114 * qla2x00_status_entry() - Process a Status IOCB entry.
3115 * @vha: SCSI driver HA context
3116 * @rsp: response queue
3117 * @pkt: Entry pointer
3118 */
3119 static void
qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)3120 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
3121 {
3122 srb_t *sp;
3123 fc_port_t *fcport;
3124 struct scsi_cmnd *cp;
3125 sts_entry_t *sts = pkt;
3126 struct sts_entry_24xx *sts24 = pkt;
3127 uint16_t comp_status;
3128 uint16_t scsi_status;
3129 uint16_t ox_id;
3130 uint8_t lscsi_status;
3131 int32_t resid;
3132 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
3133 fw_resid_len;
3134 uint8_t *rsp_info, *sense_data;
3135 struct qla_hw_data *ha = vha->hw;
3136 uint32_t handle;
3137 uint16_t que;
3138 struct req_que *req;
3139 int logit = 1;
3140 int res = 0;
3141 uint16_t state_flags = 0;
3142 uint16_t sts_qual = 0;
3143
3144 if (IS_FWI2_CAPABLE(ha)) {
3145 comp_status = le16_to_cpu(sts24->comp_status);
3146 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3147 state_flags = le16_to_cpu(sts24->state_flags);
3148 } else {
3149 comp_status = le16_to_cpu(sts->comp_status);
3150 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3151 }
3152 handle = (uint32_t) LSW(sts->handle);
3153 que = MSW(sts->handle);
3154 req = ha->req_q_map[que];
3155
3156 /* Check for invalid queue pointer */
3157 if (req == NULL ||
3158 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
3159 ql_dbg(ql_dbg_io, vha, 0x3059,
3160 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
3161 "que=%u.\n", sts->handle, req, que);
3162 return;
3163 }
3164
3165 /* Validate handle. */
3166 if (handle < req->num_outstanding_cmds) {
3167 sp = req->outstanding_cmds[handle];
3168 if (!sp) {
3169 ql_dbg(ql_dbg_io, vha, 0x3075,
3170 "%s(%ld): Already returned command for status handle (0x%x).\n",
3171 __func__, vha->host_no, sts->handle);
3172 return;
3173 }
3174 } else {
3175 ql_dbg(ql_dbg_io, vha, 0x3017,
3176 "Invalid status handle, out of range (0x%x).\n",
3177 sts->handle);
3178
3179 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3180 if (IS_P3P_TYPE(ha))
3181 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
3182 else
3183 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3184 qla2xxx_wake_dpc(vha);
3185 }
3186 return;
3187 }
3188 qla_put_iocbs(sp->qpair, &sp->iores);
3189
3190 if (sp->cmd_type != TYPE_SRB) {
3191 req->outstanding_cmds[handle] = NULL;
3192 ql_dbg(ql_dbg_io, vha, 0x3015,
3193 "Unknown sp->cmd_type %x %p).\n",
3194 sp->cmd_type, sp);
3195 return;
3196 }
3197
3198 /* NVME completion. */
3199 if (sp->type == SRB_NVME_CMD) {
3200 req->outstanding_cmds[handle] = NULL;
3201 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
3202 return;
3203 }
3204
3205 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
3206 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
3207 return;
3208 }
3209
3210 /* Task Management completion. */
3211 if (sp->type == SRB_TM_CMD) {
3212 qla24xx_tm_iocb_entry(vha, req, pkt);
3213 return;
3214 }
3215
3216 /* Fast path completion. */
3217 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24);
3218 sp->qpair->cmd_completion_cnt++;
3219
3220 if (comp_status == CS_COMPLETE && scsi_status == 0) {
3221 qla2x00_process_completed_request(vha, req, handle);
3222
3223 return;
3224 }
3225
3226 req->outstanding_cmds[handle] = NULL;
3227 cp = GET_CMD_SP(sp);
3228 if (cp == NULL) {
3229 ql_dbg(ql_dbg_io, vha, 0x3018,
3230 "Command already returned (0x%x/%p).\n",
3231 sts->handle, sp);
3232
3233 return;
3234 }
3235
3236 lscsi_status = scsi_status & STATUS_MASK;
3237
3238 fcport = sp->fcport;
3239
3240 ox_id = 0;
3241 sense_len = par_sense_len = rsp_info_len = resid_len =
3242 fw_resid_len = 0;
3243 if (IS_FWI2_CAPABLE(ha)) {
3244 if (scsi_status & SS_SENSE_LEN_VALID)
3245 sense_len = le32_to_cpu(sts24->sense_len);
3246 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3247 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
3248 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
3249 resid_len = le32_to_cpu(sts24->rsp_residual_count);
3250 if (comp_status == CS_DATA_UNDERRUN)
3251 fw_resid_len = le32_to_cpu(sts24->residual_len);
3252 rsp_info = sts24->data;
3253 sense_data = sts24->data;
3254 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
3255 ox_id = le16_to_cpu(sts24->ox_id);
3256 par_sense_len = sizeof(sts24->data);
3257 sts_qual = le16_to_cpu(sts24->status_qualifier);
3258 } else {
3259 if (scsi_status & SS_SENSE_LEN_VALID)
3260 sense_len = le16_to_cpu(sts->req_sense_length);
3261 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3262 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
3263 resid_len = le32_to_cpu(sts->residual_length);
3264 rsp_info = sts->rsp_info;
3265 sense_data = sts->req_sense_data;
3266 par_sense_len = sizeof(sts->req_sense_data);
3267 }
3268
3269 /* Check for any FCP transport errors. */
3270 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
3271 /* Sense data lies beyond any FCP RESPONSE data. */
3272 if (IS_FWI2_CAPABLE(ha)) {
3273 sense_data += rsp_info_len;
3274 par_sense_len -= rsp_info_len;
3275 }
3276 if (rsp_info_len > 3 && rsp_info[3]) {
3277 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
3278 "FCP I/O protocol failure (0x%x/0x%x).\n",
3279 rsp_info_len, rsp_info[3]);
3280
3281 res = DID_BUS_BUSY << 16;
3282 goto out;
3283 }
3284 }
3285
3286 /* Check for overrun. */
3287 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
3288 scsi_status & SS_RESIDUAL_OVER)
3289 comp_status = CS_DATA_OVERRUN;
3290
3291 /*
3292 * Check retry_delay_timer value if we receive a busy or
3293 * queue full.
3294 */
3295 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL ||
3296 lscsi_status == SAM_STAT_BUSY))
3297 qla2x00_set_retry_delay_timestamp(fcport, sts_qual);
3298
3299 /*
3300 * Based on Host and scsi status generate status code for Linux
3301 */
3302 switch (comp_status) {
3303 case CS_COMPLETE:
3304 case CS_QUEUE_FULL:
3305 if (scsi_status == 0) {
3306 res = DID_OK << 16;
3307 break;
3308 }
3309 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
3310 resid = resid_len;
3311 scsi_set_resid(cp, resid);
3312
3313 if (!lscsi_status &&
3314 ((unsigned)(scsi_bufflen(cp) - resid) <
3315 cp->underflow)) {
3316 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
3317 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3318 resid, scsi_bufflen(cp));
3319
3320 res = DID_ERROR << 16;
3321 break;
3322 }
3323 }
3324 res = DID_OK << 16 | lscsi_status;
3325
3326 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3327 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
3328 "QUEUE FULL detected.\n");
3329 break;
3330 }
3331 logit = 0;
3332 if (lscsi_status != SS_CHECK_CONDITION)
3333 break;
3334
3335 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3336 if (!(scsi_status & SS_SENSE_LEN_VALID))
3337 break;
3338
3339 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
3340 rsp, res);
3341 break;
3342
3343 case CS_DATA_UNDERRUN:
3344 /* Use F/W calculated residual length. */
3345 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
3346 scsi_set_resid(cp, resid);
3347 if (scsi_status & SS_RESIDUAL_UNDER) {
3348 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
3349 ql_log(ql_log_warn, fcport->vha, 0x301d,
3350 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3351 resid, scsi_bufflen(cp));
3352
3353 vha->interface_err_cnt++;
3354
3355 res = DID_ERROR << 16 | lscsi_status;
3356 goto check_scsi_status;
3357 }
3358
3359 if (!lscsi_status &&
3360 ((unsigned)(scsi_bufflen(cp) - resid) <
3361 cp->underflow)) {
3362 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
3363 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3364 resid, scsi_bufflen(cp));
3365
3366 res = DID_ERROR << 16;
3367 break;
3368 }
3369 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
3370 lscsi_status != SAM_STAT_BUSY) {
3371 /*
3372 * scsi status of task set and busy are considered to be
3373 * task not completed.
3374 */
3375
3376 ql_log(ql_log_warn, fcport->vha, 0x301f,
3377 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3378 resid, scsi_bufflen(cp));
3379
3380 vha->interface_err_cnt++;
3381
3382 res = DID_ERROR << 16 | lscsi_status;
3383 goto check_scsi_status;
3384 } else {
3385 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
3386 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
3387 scsi_status, lscsi_status);
3388 }
3389
3390 res = DID_OK << 16 | lscsi_status;
3391 logit = 0;
3392
3393 check_scsi_status:
3394 /*
3395 * Check to see if SCSI Status is non zero. If so report SCSI
3396 * Status.
3397 */
3398 if (lscsi_status != 0) {
3399 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3400 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
3401 "QUEUE FULL detected.\n");
3402 logit = 1;
3403 break;
3404 }
3405 if (lscsi_status != SS_CHECK_CONDITION)
3406 break;
3407
3408 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3409 if (!(scsi_status & SS_SENSE_LEN_VALID))
3410 break;
3411
3412 qla2x00_handle_sense(sp, sense_data, par_sense_len,
3413 sense_len, rsp, res);
3414 }
3415 break;
3416
3417 case CS_PORT_LOGGED_OUT:
3418 case CS_PORT_CONFIG_CHG:
3419 case CS_PORT_BUSY:
3420 case CS_INCOMPLETE:
3421 case CS_PORT_UNAVAILABLE:
3422 case CS_TIMEOUT:
3423 case CS_RESET:
3424
3425 /*
3426 * We are going to have the fc class block the rport
3427 * while we try to recover so instruct the mid layer
3428 * to requeue until the class decides how to handle this.
3429 */
3430 res = DID_TRANSPORT_DISRUPTED << 16;
3431
3432 if (comp_status == CS_TIMEOUT) {
3433 if (IS_FWI2_CAPABLE(ha))
3434 break;
3435 else if ((le16_to_cpu(sts->status_flags) &
3436 SF_LOGOUT_SENT) == 0)
3437 break;
3438 }
3439
3440 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3441 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
3442 "Port to be marked lost on fcport=%02x%02x%02x, current "
3443 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
3444 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3445 port_state_str[FCS_ONLINE],
3446 comp_status);
3447
3448 qlt_schedule_sess_for_deletion(fcport);
3449 }
3450
3451 break;
3452
3453 case CS_ABORTED:
3454 res = DID_RESET << 16;
3455 break;
3456
3457 case CS_DIF_ERROR:
3458 logit = qla2x00_handle_dif_error(sp, sts24);
3459 res = cp->result;
3460 break;
3461
3462 case CS_TRANSPORT:
3463 res = DID_ERROR << 16;
3464 vha->hw_err_cnt++;
3465
3466 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
3467 break;
3468
3469 if (state_flags & BIT_4)
3470 scmd_printk(KERN_WARNING, cp,
3471 "Unsupported device '%s' found.\n",
3472 cp->device->vendor);
3473 break;
3474
3475 case CS_DMA:
3476 ql_log(ql_log_info, fcport->vha, 0x3022,
3477 "CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
3478 comp_status, scsi_status, res, vha->host_no,
3479 cp->device->id, cp->device->lun, fcport->d_id.b24,
3480 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3481 resid_len, fw_resid_len, sp, cp);
3482 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
3483 pkt, sizeof(*sts24));
3484 res = DID_ERROR << 16;
3485 vha->hw_err_cnt++;
3486 break;
3487 default:
3488 res = DID_ERROR << 16;
3489 break;
3490 }
3491
3492 out:
3493 if (logit)
3494 ql_log(ql_dbg_io, fcport->vha, 0x3022,
3495 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
3496 comp_status, scsi_status, res, vha->host_no,
3497 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
3498 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
3499 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3500 resid_len, fw_resid_len, sp, cp);
3501
3502 if (rsp->status_srb == NULL)
3503 sp->done(sp, res);
3504 }
3505
3506 /**
3507 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
3508 * @rsp: response queue
3509 * @pkt: Entry pointer
3510 *
3511 * Extended sense data.
3512 */
3513 static void
qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)3514 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
3515 {
3516 uint8_t sense_sz = 0;
3517 struct qla_hw_data *ha = rsp->hw;
3518 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
3519 srb_t *sp = rsp->status_srb;
3520 struct scsi_cmnd *cp;
3521 uint32_t sense_len;
3522 uint8_t *sense_ptr;
3523
3524 if (!sp || !GET_CMD_SENSE_LEN(sp))
3525 return;
3526
3527 sense_len = GET_CMD_SENSE_LEN(sp);
3528 sense_ptr = GET_CMD_SENSE_PTR(sp);
3529
3530 cp = GET_CMD_SP(sp);
3531 if (cp == NULL) {
3532 ql_log(ql_log_warn, vha, 0x3025,
3533 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
3534
3535 rsp->status_srb = NULL;
3536 return;
3537 }
3538
3539 if (sense_len > sizeof(pkt->data))
3540 sense_sz = sizeof(pkt->data);
3541 else
3542 sense_sz = sense_len;
3543
3544 /* Move sense data. */
3545 if (IS_FWI2_CAPABLE(ha))
3546 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
3547 memcpy(sense_ptr, pkt->data, sense_sz);
3548 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
3549 sense_ptr, sense_sz);
3550
3551 sense_len -= sense_sz;
3552 sense_ptr += sense_sz;
3553
3554 SET_CMD_SENSE_PTR(sp, sense_ptr);
3555 SET_CMD_SENSE_LEN(sp, sense_len);
3556
3557 /* Place command on done queue. */
3558 if (sense_len == 0) {
3559 rsp->status_srb = NULL;
3560 sp->done(sp, cp->result);
3561 }
3562 }
3563
3564 /**
3565 * qla2x00_error_entry() - Process an error entry.
3566 * @vha: SCSI driver HA context
3567 * @rsp: response queue
3568 * @pkt: Entry pointer
3569 * return : 1=allow further error analysis. 0=no additional error analysis.
3570 */
3571 static int
qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)3572 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
3573 {
3574 srb_t *sp;
3575 struct qla_hw_data *ha = vha->hw;
3576 const char func[] = "ERROR-IOCB";
3577 uint16_t que = MSW(pkt->handle);
3578 struct req_que *req = NULL;
3579 int res = DID_ERROR << 16;
3580
3581 ql_dbg(ql_dbg_async, vha, 0x502a,
3582 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
3583 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
3584
3585 if (que >= ha->max_req_queues || !ha->req_q_map[que])
3586 goto fatal;
3587
3588 req = ha->req_q_map[que];
3589
3590 if (pkt->entry_status & RF_BUSY)
3591 res = DID_BUS_BUSY << 16;
3592
3593 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
3594 return 0;
3595
3596 switch (pkt->entry_type) {
3597 case NOTIFY_ACK_TYPE:
3598 case STATUS_TYPE:
3599 case STATUS_CONT_TYPE:
3600 case LOGINOUT_PORT_IOCB_TYPE:
3601 case CT_IOCB_TYPE:
3602 case ELS_IOCB_TYPE:
3603 case ABORT_IOCB_TYPE:
3604 case MBX_IOCB_TYPE:
3605 default:
3606 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3607 if (sp) {
3608 qla_put_iocbs(sp->qpair, &sp->iores);
3609 sp->done(sp, res);
3610 return 0;
3611 }
3612 break;
3613
3614 case SA_UPDATE_IOCB_TYPE:
3615 case ABTS_RESP_24XX:
3616 case CTIO_TYPE7:
3617 case CTIO_CRC2:
3618 return 1;
3619 }
3620 fatal:
3621 ql_log(ql_log_warn, vha, 0x5030,
3622 "Error entry - invalid handle/queue (%04x).\n", que);
3623 return 0;
3624 }
3625
3626 /**
3627 * qla24xx_mbx_completion() - Process mailbox command completions.
3628 * @vha: SCSI driver HA context
3629 * @mb0: Mailbox0 register
3630 */
3631 static void
qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)3632 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
3633 {
3634 uint16_t cnt;
3635 uint32_t mboxes;
3636 __le16 __iomem *wptr;
3637 struct qla_hw_data *ha = vha->hw;
3638 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3639
3640 /* Read all mbox registers? */
3641 WARN_ON_ONCE(ha->mbx_count > 32);
3642 mboxes = (1ULL << ha->mbx_count) - 1;
3643 if (!ha->mcp)
3644 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
3645 else
3646 mboxes = ha->mcp->in_mb;
3647
3648 /* Load return mailbox registers. */
3649 ha->flags.mbox_int = 1;
3650 ha->mailbox_out[0] = mb0;
3651 mboxes >>= 1;
3652 wptr = ®->mailbox1;
3653
3654 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
3655 if (mboxes & BIT_0)
3656 ha->mailbox_out[cnt] = rd_reg_word(wptr);
3657
3658 mboxes >>= 1;
3659 wptr++;
3660 }
3661 }
3662
3663 static void
qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)3664 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
3665 struct abort_entry_24xx *pkt)
3666 {
3667 const char func[] = "ABT_IOCB";
3668 srb_t *sp;
3669 srb_t *orig_sp = NULL;
3670 struct srb_iocb *abt;
3671
3672 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3673 if (!sp)
3674 return;
3675
3676 abt = &sp->u.iocb_cmd;
3677 abt->u.abt.comp_status = pkt->comp_status;
3678 orig_sp = sp->cmd_sp;
3679 /* Need to pass original sp */
3680 if (orig_sp)
3681 qla_nvme_abort_process_comp_status(pkt, orig_sp);
3682
3683 sp->done(sp, 0);
3684 }
3685
qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)3686 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
3687 struct pt_ls4_request *pkt, struct req_que *req)
3688 {
3689 srb_t *sp;
3690 const char func[] = "LS4_IOCB";
3691 uint16_t comp_status;
3692
3693 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3694 if (!sp)
3695 return;
3696
3697 comp_status = le16_to_cpu(pkt->status);
3698 sp->done(sp, comp_status);
3699 }
3700
3701 /**
3702 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available
3703 * before iocb processing can start.
3704 * @vha: host adapter pointer
3705 * @rsp: respond queue
3706 * @pkt: head iocb describing how many continuation iocb
3707 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.
3708 */
qla_chk_cont_iocb_avail(struct scsi_qla_host * vha,struct rsp_que * rsp,response_t * pkt)3709 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,
3710 struct rsp_que *rsp, response_t *pkt)
3711 {
3712 int start_pkt_ring_index, end_pkt_ring_index, n_ring_index;
3713 response_t *end_pkt;
3714 int rc = 0;
3715 u32 rsp_q_in;
3716
3717 if (pkt->entry_count == 1)
3718 return rc;
3719
3720 /* ring_index was pre-increment. set it back to current pkt */
3721 if (rsp->ring_index == 0)
3722 start_pkt_ring_index = rsp->length - 1;
3723 else
3724 start_pkt_ring_index = rsp->ring_index - 1;
3725
3726 if ((start_pkt_ring_index + pkt->entry_count) >= rsp->length)
3727 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count -
3728 rsp->length - 1;
3729 else
3730 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 1;
3731
3732 end_pkt = rsp->ring + end_pkt_ring_index;
3733
3734 /* next pkt = end_pkt + 1 */
3735 n_ring_index = end_pkt_ring_index + 1;
3736 if (n_ring_index >= rsp->length)
3737 n_ring_index = 0;
3738
3739 rsp_q_in = rsp->qpair->use_shadow_reg ? *rsp->in_ptr :
3740 rd_reg_dword(rsp->rsp_q_in);
3741
3742 /* rsp_q_in is either wrapped or pointing beyond endpkt */
3743 if ((rsp_q_in < start_pkt_ring_index && rsp_q_in < n_ring_index) ||
3744 rsp_q_in >= n_ring_index)
3745 /* all IOCBs arrived. */
3746 rc = 0;
3747 else
3748 rc = -EIO;
3749
3750 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x5091,
3751 "%s - ring %p pkt %p end pkt %p entry count %#x rsp_q_in %d rc %d\n",
3752 __func__, rsp->ring, pkt, end_pkt, pkt->entry_count,
3753 rsp_q_in, rc);
3754
3755 return rc;
3756 }
3757
3758 /**
3759 * qla24xx_process_response_queue() - Process response queue entries.
3760 * @vha: SCSI driver HA context
3761 * @rsp: response queue
3762 */
qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)3763 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
3764 struct rsp_que *rsp)
3765 {
3766 struct sts_entry_24xx *pkt;
3767 struct qla_hw_data *ha = vha->hw;
3768 struct purex_entry_24xx *purex_entry;
3769 struct purex_item *pure_item;
3770
3771 if (!ha->flags.fw_started)
3772 return;
3773
3774 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
3775 rsp->qpair->rcv_intr = 1;
3776 qla_cpu_update(rsp->qpair, smp_processor_id());
3777 }
3778
3779 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
3780 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
3781
3782 rsp->ring_index++;
3783 if (rsp->ring_index == rsp->length) {
3784 rsp->ring_index = 0;
3785 rsp->ring_ptr = rsp->ring;
3786 } else {
3787 rsp->ring_ptr++;
3788 }
3789
3790 if (pkt->entry_status != 0) {
3791 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
3792 goto process_err;
3793
3794 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3795 wmb();
3796 continue;
3797 }
3798 process_err:
3799
3800 switch (pkt->entry_type) {
3801 case STATUS_TYPE:
3802 qla2x00_status_entry(vha, rsp, pkt);
3803 break;
3804 case STATUS_CONT_TYPE:
3805 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3806 break;
3807 case VP_RPT_ID_IOCB_TYPE:
3808 qla24xx_report_id_acquisition(vha,
3809 (struct vp_rpt_id_entry_24xx *)pkt);
3810 break;
3811 case LOGINOUT_PORT_IOCB_TYPE:
3812 qla24xx_logio_entry(vha, rsp->req,
3813 (struct logio_entry_24xx *)pkt);
3814 break;
3815 case CT_IOCB_TYPE:
3816 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3817 break;
3818 case ELS_IOCB_TYPE:
3819 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3820 break;
3821 case ABTS_RECV_24XX:
3822 if (qla_ini_mode_enabled(vha)) {
3823 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3824 if (!pure_item)
3825 break;
3826 qla24xx_queue_purex_item(vha, pure_item,
3827 qla24xx_process_abts);
3828 break;
3829 }
3830 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3831 IS_QLA28XX(ha)) {
3832 /* ensure that the ATIO queue is empty */
3833 qlt_handle_abts_recv(vha, rsp,
3834 (response_t *)pkt);
3835 break;
3836 } else {
3837 qlt_24xx_process_atio_queue(vha, 1);
3838 }
3839 fallthrough;
3840 case ABTS_RESP_24XX:
3841 case CTIO_TYPE7:
3842 case CTIO_CRC2:
3843 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3844 break;
3845 case PT_LS4_REQUEST:
3846 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3847 rsp->req);
3848 break;
3849 case NOTIFY_ACK_TYPE:
3850 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3851 qlt_response_pkt_all_vps(vha, rsp,
3852 (response_t *)pkt);
3853 else
3854 qla24xxx_nack_iocb_entry(vha, rsp->req,
3855 (struct nack_to_isp *)pkt);
3856 break;
3857 case MARKER_TYPE:
3858 /* Do nothing in this case, this check is to prevent it
3859 * from falling into default case
3860 */
3861 break;
3862 case ABORT_IOCB_TYPE:
3863 qla24xx_abort_iocb_entry(vha, rsp->req,
3864 (struct abort_entry_24xx *)pkt);
3865 break;
3866 case MBX_IOCB_TYPE:
3867 qla24xx_mbx_iocb_entry(vha, rsp->req,
3868 (struct mbx_24xx_entry *)pkt);
3869 break;
3870 case VP_CTRL_IOCB_TYPE:
3871 qla_ctrlvp_completed(vha, rsp->req,
3872 (struct vp_ctrl_entry_24xx *)pkt);
3873 break;
3874 case PUREX_IOCB_TYPE:
3875 purex_entry = (void *)pkt;
3876 switch (purex_entry->els_frame_payload[3]) {
3877 case ELS_RDP:
3878 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3879 if (!pure_item)
3880 break;
3881 qla24xx_queue_purex_item(vha, pure_item,
3882 qla24xx_process_purex_rdp);
3883 break;
3884 case ELS_FPIN:
3885 if (!vha->hw->flags.scm_enabled) {
3886 ql_log(ql_log_warn, vha, 0x5094,
3887 "SCM not active for this port\n");
3888 break;
3889 }
3890 pure_item = qla27xx_copy_fpin_pkt(vha,
3891 (void **)&pkt, &rsp);
3892 if (!pure_item)
3893 break;
3894 qla24xx_queue_purex_item(vha, pure_item,
3895 qla27xx_process_purex_fpin);
3896 break;
3897
3898 case ELS_AUTH_ELS:
3899 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt)) {
3900 ql_dbg(ql_dbg_init, vha, 0x5091,
3901 "Defer processing ELS opcode %#x...\n",
3902 purex_entry->els_frame_payload[3]);
3903 return;
3904 }
3905 qla24xx_auth_els(vha, (void **)&pkt, &rsp);
3906 break;
3907 default:
3908 ql_log(ql_log_warn, vha, 0x509c,
3909 "Discarding ELS Request opcode 0x%x\n",
3910 purex_entry->els_frame_payload[3]);
3911 }
3912 break;
3913 case SA_UPDATE_IOCB_TYPE:
3914 qla28xx_sa_update_iocb_entry(vha, rsp->req,
3915 (struct sa_update_28xx *)pkt);
3916 break;
3917
3918 default:
3919 /* Type Not Supported. */
3920 ql_dbg(ql_dbg_async, vha, 0x5042,
3921 "Received unknown response pkt type 0x%x entry status=%x.\n",
3922 pkt->entry_type, pkt->entry_status);
3923 break;
3924 }
3925 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3926 wmb();
3927 }
3928
3929 /* Adjust ring index */
3930 if (IS_P3P_TYPE(ha)) {
3931 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3932
3933 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index);
3934 } else {
3935 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index);
3936 }
3937 }
3938
3939 static void
qla2xxx_check_risc_status(scsi_qla_host_t * vha)3940 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3941 {
3942 int rval;
3943 uint32_t cnt;
3944 struct qla_hw_data *ha = vha->hw;
3945 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3946
3947 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3948 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3949 return;
3950
3951 rval = QLA_SUCCESS;
3952 wrt_reg_dword(®->iobase_addr, 0x7C00);
3953 rd_reg_dword(®->iobase_addr);
3954 wrt_reg_dword(®->iobase_window, 0x0001);
3955 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3956 rval == QLA_SUCCESS; cnt--) {
3957 if (cnt) {
3958 wrt_reg_dword(®->iobase_window, 0x0001);
3959 udelay(10);
3960 } else
3961 rval = QLA_FUNCTION_TIMEOUT;
3962 }
3963 if (rval == QLA_SUCCESS)
3964 goto next_test;
3965
3966 rval = QLA_SUCCESS;
3967 wrt_reg_dword(®->iobase_window, 0x0003);
3968 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3969 rval == QLA_SUCCESS; cnt--) {
3970 if (cnt) {
3971 wrt_reg_dword(®->iobase_window, 0x0003);
3972 udelay(10);
3973 } else
3974 rval = QLA_FUNCTION_TIMEOUT;
3975 }
3976 if (rval != QLA_SUCCESS)
3977 goto done;
3978
3979 next_test:
3980 if (rd_reg_dword(®->iobase_c8) & BIT_3)
3981 ql_log(ql_log_info, vha, 0x504c,
3982 "Additional code -- 0x55AA.\n");
3983
3984 done:
3985 wrt_reg_dword(®->iobase_window, 0x0000);
3986 rd_reg_dword(®->iobase_window);
3987 }
3988
3989 /**
3990 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3991 * @irq: interrupt number
3992 * @dev_id: SCSI driver HA context
3993 *
3994 * Called by system whenever the host adapter generates an interrupt.
3995 *
3996 * Returns handled flag.
3997 */
3998 irqreturn_t
qla24xx_intr_handler(int irq,void * dev_id)3999 qla24xx_intr_handler(int irq, void *dev_id)
4000 {
4001 scsi_qla_host_t *vha;
4002 struct qla_hw_data *ha;
4003 struct device_reg_24xx __iomem *reg;
4004 int status;
4005 unsigned long iter;
4006 uint32_t stat;
4007 uint32_t hccr;
4008 uint16_t mb[8];
4009 struct rsp_que *rsp;
4010 unsigned long flags;
4011 bool process_atio = false;
4012
4013 rsp = (struct rsp_que *) dev_id;
4014 if (!rsp) {
4015 ql_log(ql_log_info, NULL, 0x5059,
4016 "%s: NULL response queue pointer.\n", __func__);
4017 return IRQ_NONE;
4018 }
4019
4020 ha = rsp->hw;
4021 reg = &ha->iobase->isp24;
4022 status = 0;
4023
4024 if (unlikely(pci_channel_offline(ha->pdev)))
4025 return IRQ_HANDLED;
4026
4027 spin_lock_irqsave(&ha->hardware_lock, flags);
4028 vha = pci_get_drvdata(ha->pdev);
4029 for (iter = 50; iter--; ) {
4030 stat = rd_reg_dword(®->host_status);
4031 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4032 break;
4033 if (stat & HSRX_RISC_PAUSED) {
4034 if (unlikely(pci_channel_offline(ha->pdev)))
4035 break;
4036
4037 hccr = rd_reg_dword(®->hccr);
4038
4039 ql_log(ql_log_warn, vha, 0x504b,
4040 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4041 hccr);
4042
4043 qla2xxx_check_risc_status(vha);
4044
4045 ha->isp_ops->fw_dump(vha);
4046 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4047 break;
4048 } else if ((stat & HSRX_RISC_INT) == 0)
4049 break;
4050
4051 switch (stat & 0xff) {
4052 case INTR_ROM_MB_SUCCESS:
4053 case INTR_ROM_MB_FAILED:
4054 case INTR_MB_SUCCESS:
4055 case INTR_MB_FAILED:
4056 qla24xx_mbx_completion(vha, MSW(stat));
4057 status |= MBX_INTERRUPT;
4058
4059 break;
4060 case INTR_ASYNC_EVENT:
4061 mb[0] = MSW(stat);
4062 mb[1] = rd_reg_word(®->mailbox1);
4063 mb[2] = rd_reg_word(®->mailbox2);
4064 mb[3] = rd_reg_word(®->mailbox3);
4065 qla2x00_async_event(vha, rsp, mb);
4066 break;
4067 case INTR_RSP_QUE_UPDATE:
4068 case INTR_RSP_QUE_UPDATE_83XX:
4069 qla24xx_process_response_queue(vha, rsp);
4070 break;
4071 case INTR_ATIO_QUE_UPDATE_27XX:
4072 case INTR_ATIO_QUE_UPDATE:
4073 process_atio = true;
4074 break;
4075 case INTR_ATIO_RSP_QUE_UPDATE:
4076 process_atio = true;
4077 qla24xx_process_response_queue(vha, rsp);
4078 break;
4079 default:
4080 ql_dbg(ql_dbg_async, vha, 0x504f,
4081 "Unrecognized interrupt type (%d).\n", stat * 0xff);
4082 break;
4083 }
4084 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4085 rd_reg_dword_relaxed(®->hccr);
4086 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
4087 ndelay(3500);
4088 }
4089 qla2x00_handle_mbx_completion(ha, status);
4090 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4091
4092 if (process_atio) {
4093 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4094 qlt_24xx_process_atio_queue(vha, 0);
4095 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4096 }
4097
4098 return IRQ_HANDLED;
4099 }
4100
4101 static irqreturn_t
qla24xx_msix_rsp_q(int irq,void * dev_id)4102 qla24xx_msix_rsp_q(int irq, void *dev_id)
4103 {
4104 struct qla_hw_data *ha;
4105 struct rsp_que *rsp;
4106 struct device_reg_24xx __iomem *reg;
4107 struct scsi_qla_host *vha;
4108 unsigned long flags;
4109
4110 rsp = (struct rsp_que *) dev_id;
4111 if (!rsp) {
4112 ql_log(ql_log_info, NULL, 0x505a,
4113 "%s: NULL response queue pointer.\n", __func__);
4114 return IRQ_NONE;
4115 }
4116 ha = rsp->hw;
4117 reg = &ha->iobase->isp24;
4118
4119 spin_lock_irqsave(&ha->hardware_lock, flags);
4120
4121 vha = pci_get_drvdata(ha->pdev);
4122 qla24xx_process_response_queue(vha, rsp);
4123 if (!ha->flags.disable_msix_handshake) {
4124 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4125 rd_reg_dword_relaxed(®->hccr);
4126 }
4127 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4128
4129 return IRQ_HANDLED;
4130 }
4131
4132 static irqreturn_t
qla24xx_msix_default(int irq,void * dev_id)4133 qla24xx_msix_default(int irq, void *dev_id)
4134 {
4135 scsi_qla_host_t *vha;
4136 struct qla_hw_data *ha;
4137 struct rsp_que *rsp;
4138 struct device_reg_24xx __iomem *reg;
4139 int status;
4140 uint32_t stat;
4141 uint32_t hccr;
4142 uint16_t mb[8];
4143 unsigned long flags;
4144 bool process_atio = false;
4145
4146 rsp = (struct rsp_que *) dev_id;
4147 if (!rsp) {
4148 ql_log(ql_log_info, NULL, 0x505c,
4149 "%s: NULL response queue pointer.\n", __func__);
4150 return IRQ_NONE;
4151 }
4152 ha = rsp->hw;
4153 reg = &ha->iobase->isp24;
4154 status = 0;
4155
4156 spin_lock_irqsave(&ha->hardware_lock, flags);
4157 vha = pci_get_drvdata(ha->pdev);
4158 do {
4159 stat = rd_reg_dword(®->host_status);
4160 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4161 break;
4162 if (stat & HSRX_RISC_PAUSED) {
4163 if (unlikely(pci_channel_offline(ha->pdev)))
4164 break;
4165
4166 hccr = rd_reg_dword(®->hccr);
4167
4168 ql_log(ql_log_info, vha, 0x5050,
4169 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4170 hccr);
4171
4172 qla2xxx_check_risc_status(vha);
4173 vha->hw_err_cnt++;
4174
4175 ha->isp_ops->fw_dump(vha);
4176 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4177 break;
4178 } else if ((stat & HSRX_RISC_INT) == 0)
4179 break;
4180
4181 switch (stat & 0xff) {
4182 case INTR_ROM_MB_SUCCESS:
4183 case INTR_ROM_MB_FAILED:
4184 case INTR_MB_SUCCESS:
4185 case INTR_MB_FAILED:
4186 qla24xx_mbx_completion(vha, MSW(stat));
4187 status |= MBX_INTERRUPT;
4188
4189 break;
4190 case INTR_ASYNC_EVENT:
4191 mb[0] = MSW(stat);
4192 mb[1] = rd_reg_word(®->mailbox1);
4193 mb[2] = rd_reg_word(®->mailbox2);
4194 mb[3] = rd_reg_word(®->mailbox3);
4195 qla2x00_async_event(vha, rsp, mb);
4196 break;
4197 case INTR_RSP_QUE_UPDATE:
4198 case INTR_RSP_QUE_UPDATE_83XX:
4199 qla24xx_process_response_queue(vha, rsp);
4200 break;
4201 case INTR_ATIO_QUE_UPDATE_27XX:
4202 case INTR_ATIO_QUE_UPDATE:
4203 process_atio = true;
4204 break;
4205 case INTR_ATIO_RSP_QUE_UPDATE:
4206 process_atio = true;
4207 qla24xx_process_response_queue(vha, rsp);
4208 break;
4209 default:
4210 ql_dbg(ql_dbg_async, vha, 0x5051,
4211 "Unrecognized interrupt type (%d).\n", stat & 0xff);
4212 break;
4213 }
4214 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4215 } while (0);
4216 qla2x00_handle_mbx_completion(ha, status);
4217 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4218
4219 if (process_atio) {
4220 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4221 qlt_24xx_process_atio_queue(vha, 0);
4222 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4223 }
4224
4225 return IRQ_HANDLED;
4226 }
4227
4228 irqreturn_t
qla2xxx_msix_rsp_q(int irq,void * dev_id)4229 qla2xxx_msix_rsp_q(int irq, void *dev_id)
4230 {
4231 struct qla_hw_data *ha;
4232 struct qla_qpair *qpair;
4233
4234 qpair = dev_id;
4235 if (!qpair) {
4236 ql_log(ql_log_info, NULL, 0x505b,
4237 "%s: NULL response queue pointer.\n", __func__);
4238 return IRQ_NONE;
4239 }
4240 ha = qpair->hw;
4241
4242 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4243
4244 return IRQ_HANDLED;
4245 }
4246
4247 irqreturn_t
qla2xxx_msix_rsp_q_hs(int irq,void * dev_id)4248 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id)
4249 {
4250 struct qla_hw_data *ha;
4251 struct qla_qpair *qpair;
4252 struct device_reg_24xx __iomem *reg;
4253 unsigned long flags;
4254
4255 qpair = dev_id;
4256 if (!qpair) {
4257 ql_log(ql_log_info, NULL, 0x505b,
4258 "%s: NULL response queue pointer.\n", __func__);
4259 return IRQ_NONE;
4260 }
4261 ha = qpair->hw;
4262
4263 reg = &ha->iobase->isp24;
4264 spin_lock_irqsave(&ha->hardware_lock, flags);
4265 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4266 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4267
4268 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4269
4270 return IRQ_HANDLED;
4271 }
4272
4273 /* Interrupt handling helpers. */
4274
4275 struct qla_init_msix_entry {
4276 const char *name;
4277 irq_handler_t handler;
4278 };
4279
4280 static const struct qla_init_msix_entry msix_entries[] = {
4281 { "default", qla24xx_msix_default },
4282 { "rsp_q", qla24xx_msix_rsp_q },
4283 { "atio_q", qla83xx_msix_atio_q },
4284 { "qpair_multiq", qla2xxx_msix_rsp_q },
4285 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs },
4286 };
4287
4288 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
4289 { "qla2xxx (default)", qla82xx_msix_default },
4290 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
4291 };
4292
4293 static int
qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)4294 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
4295 {
4296 int i, ret;
4297 struct qla_msix_entry *qentry;
4298 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4299 int min_vecs = QLA_BASE_VECTORS;
4300 struct irq_affinity desc = {
4301 .pre_vectors = QLA_BASE_VECTORS,
4302 };
4303
4304 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4305 IS_ATIO_MSIX_CAPABLE(ha)) {
4306 desc.pre_vectors++;
4307 min_vecs++;
4308 }
4309
4310 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
4311 /* user wants to control IRQ setting for target mode */
4312 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
4313 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4314 PCI_IRQ_MSIX);
4315 } else
4316 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
4317 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4318 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
4319 &desc);
4320
4321 if (ret < 0) {
4322 ql_log(ql_log_fatal, vha, 0x00c7,
4323 "MSI-X: Failed to enable support, "
4324 "giving up -- %d/%d.\n",
4325 ha->msix_count, ret);
4326 goto msix_out;
4327 } else if (ret < ha->msix_count) {
4328 ql_log(ql_log_info, vha, 0x00c6,
4329 "MSI-X: Using %d vectors\n", ret);
4330 ha->msix_count = ret;
4331 /* Recalculate queue values */
4332 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
4333 ha->max_req_queues = ha->msix_count - 1;
4334
4335 /* ATIOQ needs 1 vector. That's 1 less QPair */
4336 if (QLA_TGT_MODE_ENABLED())
4337 ha->max_req_queues--;
4338
4339 ha->max_rsp_queues = ha->max_req_queues;
4340
4341 ha->max_qpairs = ha->max_req_queues - 1;
4342 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
4343 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
4344 }
4345 }
4346 vha->irq_offset = desc.pre_vectors;
4347 ha->msix_entries = kcalloc(ha->msix_count,
4348 sizeof(struct qla_msix_entry),
4349 GFP_KERNEL);
4350 if (!ha->msix_entries) {
4351 ql_log(ql_log_fatal, vha, 0x00c8,
4352 "Failed to allocate memory for ha->msix_entries.\n");
4353 ret = -ENOMEM;
4354 goto free_irqs;
4355 }
4356 ha->flags.msix_enabled = 1;
4357
4358 for (i = 0; i < ha->msix_count; i++) {
4359 qentry = &ha->msix_entries[i];
4360 qentry->vector = pci_irq_vector(ha->pdev, i);
4361 qentry->entry = i;
4362 qentry->have_irq = 0;
4363 qentry->in_use = 0;
4364 qentry->handle = NULL;
4365 }
4366
4367 /* Enable MSI-X vectors for the base queue */
4368 for (i = 0; i < QLA_BASE_VECTORS; i++) {
4369 qentry = &ha->msix_entries[i];
4370 qentry->handle = rsp;
4371 rsp->msix = qentry;
4372 scnprintf(qentry->name, sizeof(qentry->name),
4373 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
4374 if (IS_P3P_TYPE(ha))
4375 ret = request_irq(qentry->vector,
4376 qla82xx_msix_entries[i].handler,
4377 0, qla82xx_msix_entries[i].name, rsp);
4378 else
4379 ret = request_irq(qentry->vector,
4380 msix_entries[i].handler,
4381 0, qentry->name, rsp);
4382 if (ret)
4383 goto msix_register_fail;
4384 qentry->have_irq = 1;
4385 qentry->in_use = 1;
4386 }
4387
4388 /*
4389 * If target mode is enable, also request the vector for the ATIO
4390 * queue.
4391 */
4392 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4393 IS_ATIO_MSIX_CAPABLE(ha)) {
4394 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
4395 rsp->msix = qentry;
4396 qentry->handle = rsp;
4397 scnprintf(qentry->name, sizeof(qentry->name),
4398 "qla2xxx%lu_%s", vha->host_no,
4399 msix_entries[QLA_ATIO_VECTOR].name);
4400 qentry->in_use = 1;
4401 ret = request_irq(qentry->vector,
4402 msix_entries[QLA_ATIO_VECTOR].handler,
4403 0, qentry->name, rsp);
4404 qentry->have_irq = 1;
4405 }
4406
4407 msix_register_fail:
4408 if (ret) {
4409 ql_log(ql_log_fatal, vha, 0x00cb,
4410 "MSI-X: unable to register handler -- %x/%d.\n",
4411 qentry->vector, ret);
4412 qla2x00_free_irqs(vha);
4413 ha->mqenable = 0;
4414 goto msix_out;
4415 }
4416
4417 /* Enable MSI-X vector for response queue update for queue 0 */
4418 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4419 if (ha->msixbase && ha->mqiobase &&
4420 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
4421 ql2xmqsupport))
4422 ha->mqenable = 1;
4423 } else
4424 if (ha->mqiobase &&
4425 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
4426 ql2xmqsupport))
4427 ha->mqenable = 1;
4428 ql_dbg(ql_dbg_multiq, vha, 0xc005,
4429 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4430 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4431 ql_dbg(ql_dbg_init, vha, 0x0055,
4432 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4433 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4434
4435 msix_out:
4436 return ret;
4437
4438 free_irqs:
4439 pci_free_irq_vectors(ha->pdev);
4440 goto msix_out;
4441 }
4442
4443 int
qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)4444 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
4445 {
4446 int ret = QLA_FUNCTION_FAILED;
4447 device_reg_t *reg = ha->iobase;
4448 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4449
4450 /* If possible, enable MSI-X. */
4451 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
4452 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
4453 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
4454 goto skip_msi;
4455
4456 if (ql2xenablemsix == 2)
4457 goto skip_msix;
4458
4459 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
4460 (ha->pdev->subsystem_device == 0x7040 ||
4461 ha->pdev->subsystem_device == 0x7041 ||
4462 ha->pdev->subsystem_device == 0x1705)) {
4463 ql_log(ql_log_warn, vha, 0x0034,
4464 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
4465 ha->pdev->subsystem_vendor,
4466 ha->pdev->subsystem_device);
4467 goto skip_msi;
4468 }
4469
4470 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
4471 ql_log(ql_log_warn, vha, 0x0035,
4472 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
4473 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
4474 goto skip_msix;
4475 }
4476
4477 ret = qla24xx_enable_msix(ha, rsp);
4478 if (!ret) {
4479 ql_dbg(ql_dbg_init, vha, 0x0036,
4480 "MSI-X: Enabled (0x%X, 0x%X).\n",
4481 ha->chip_revision, ha->fw_attributes);
4482 goto clear_risc_ints;
4483 }
4484
4485 skip_msix:
4486
4487 ql_log(ql_log_info, vha, 0x0037,
4488 "Falling back-to MSI mode -- ret=%d.\n", ret);
4489
4490 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
4491 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
4492 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
4493 goto skip_msi;
4494
4495 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
4496 if (ret > 0) {
4497 ql_dbg(ql_dbg_init, vha, 0x0038,
4498 "MSI: Enabled.\n");
4499 ha->flags.msi_enabled = 1;
4500 } else
4501 ql_log(ql_log_warn, vha, 0x0039,
4502 "Falling back-to INTa mode -- ret=%d.\n", ret);
4503 skip_msi:
4504
4505 /* Skip INTx on ISP82xx. */
4506 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
4507 return QLA_FUNCTION_FAILED;
4508
4509 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
4510 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
4511 QLA2XXX_DRIVER_NAME, rsp);
4512 if (ret) {
4513 ql_log(ql_log_warn, vha, 0x003a,
4514 "Failed to reserve interrupt %d already in use.\n",
4515 ha->pdev->irq);
4516 goto fail;
4517 } else if (!ha->flags.msi_enabled) {
4518 ql_dbg(ql_dbg_init, vha, 0x0125,
4519 "INTa mode: Enabled.\n");
4520 ha->flags.mr_intr_valid = 1;
4521 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */
4522 ha->max_qpairs = 0;
4523 }
4524
4525 clear_risc_ints:
4526 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
4527 goto fail;
4528
4529 spin_lock_irq(&ha->hardware_lock);
4530 wrt_reg_word(®->isp.semaphore, 0);
4531 spin_unlock_irq(&ha->hardware_lock);
4532
4533 fail:
4534 return ret;
4535 }
4536
4537 void
qla2x00_free_irqs(scsi_qla_host_t * vha)4538 qla2x00_free_irqs(scsi_qla_host_t *vha)
4539 {
4540 struct qla_hw_data *ha = vha->hw;
4541 struct rsp_que *rsp;
4542 struct qla_msix_entry *qentry;
4543 int i;
4544
4545 /*
4546 * We need to check that ha->rsp_q_map is valid in case we are called
4547 * from a probe failure context.
4548 */
4549 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
4550 goto free_irqs;
4551 rsp = ha->rsp_q_map[0];
4552
4553 if (ha->flags.msix_enabled) {
4554 for (i = 0; i < ha->msix_count; i++) {
4555 qentry = &ha->msix_entries[i];
4556 if (qentry->have_irq) {
4557 irq_set_affinity_notifier(qentry->vector, NULL);
4558 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
4559 }
4560 }
4561 kfree(ha->msix_entries);
4562 ha->msix_entries = NULL;
4563 ha->flags.msix_enabled = 0;
4564 ql_dbg(ql_dbg_init, vha, 0x0042,
4565 "Disabled MSI-X.\n");
4566 } else {
4567 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
4568 }
4569
4570 free_irqs:
4571 pci_free_irq_vectors(ha->pdev);
4572 }
4573
qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)4574 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
4575 struct qla_msix_entry *msix, int vector_type)
4576 {
4577 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
4578 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4579 int ret;
4580
4581 scnprintf(msix->name, sizeof(msix->name),
4582 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
4583 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
4584 if (ret) {
4585 ql_log(ql_log_fatal, vha, 0x00e6,
4586 "MSI-X: Unable to register handler -- %x/%d.\n",
4587 msix->vector, ret);
4588 return ret;
4589 }
4590 msix->have_irq = 1;
4591 msix->handle = qpair;
4592 return ret;
4593 }
4594
