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 [FCS_UNKNOWN] = "Unknown",
53 [FCS_UNCONFIGURED] = "UNCONFIGURED",
54 [FCS_DEVICE_DEAD] = "DEAD",
55 [FCS_DEVICE_LOST] = "LOST",
56 [FCS_ONLINE] = "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 memcpy(vha->port_name, ha->port_name, WWN_SIZE);
1358 fc_host_port_name(vha->host) =
1359 wwn_to_u64(vha->port_name);
1360 ql_dbg(ql_dbg_init + ql_dbg_verbose,
1361 vha, 0x00d8, "LOOP DOWN detected,"
1362 "restore WWPN %016llx\n",
1363 wwn_to_u64(vha->port_name));
1364 }
1365
1366 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
1367 }
1368
1369 vha->device_flags |= DFLG_NO_CABLE;
1370 qla2x00_mark_all_devices_lost(vha);
1371 }
1372
1373 if (vha->vp_idx) {
1374 atomic_set(&vha->vp_state, VP_FAILED);
1375 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1376 }
1377
1378 vha->flags.management_server_logged_in = 0;
1379 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1380 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1381 break;
1382
1383 case MBA_LIP_RESET: /* LIP reset occurred */
1384 ql_dbg(ql_dbg_async, vha, 0x500c,
1385 "LIP reset occurred (%x).\n", mb[1]);
1386
1387 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1388 atomic_set(&vha->loop_state, LOOP_DOWN);
1389 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1390 qla2x00_mark_all_devices_lost(vha);
1391 }
1392
1393 if (vha->vp_idx) {
1394 atomic_set(&vha->vp_state, VP_FAILED);
1395 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1396 }
1397
1398 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1399
1400 ha->operating_mode = LOOP;
1401 vha->flags.management_server_logged_in = 0;
1402 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1403 break;
1404
1405 /* case MBA_DCBX_COMPLETE: */
1406 case MBA_POINT_TO_POINT: /* Point-to-Point */
1407 ha->flags.lip_ae = 0;
1408
1409 if (IS_QLA2100(ha))
1410 break;
1411
1412 if (IS_CNA_CAPABLE(ha)) {
1413 ql_dbg(ql_dbg_async, vha, 0x500d,
1414 "DCBX Completed -- %04x %04x %04x.\n",
1415 mb[1], mb[2], mb[3]);
1416 if (ha->notify_dcbx_comp && !vha->vp_idx)
1417 complete(&ha->dcbx_comp);
1418
1419 } else
1420 ql_dbg(ql_dbg_async, vha, 0x500e,
1421 "Asynchronous P2P MODE received.\n");
1422
1423 /*
1424 * Until there's a transition from loop down to loop up, treat
1425 * this as loop down only.
1426 */
1427 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1428 atomic_set(&vha->loop_state, LOOP_DOWN);
1429 if (!atomic_read(&vha->loop_down_timer))
1430 atomic_set(&vha->loop_down_timer,
1431 LOOP_DOWN_TIME);
1432 if (!N2N_TOPO(ha))
1433 qla2x00_mark_all_devices_lost(vha);
1434 }
1435
1436 if (vha->vp_idx) {
1437 atomic_set(&vha->vp_state, VP_FAILED);
1438 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1439 }
1440
1441 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
1442 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1443
1444 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
1445 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1446
1447 vha->flags.management_server_logged_in = 0;
1448 break;
1449
1450 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
1451 if (IS_QLA2100(ha))
1452 break;
1453
1454 ql_dbg(ql_dbg_async, vha, 0x500f,
1455 "Configuration change detected: value=%x.\n", mb[1]);
1456
1457 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1458 atomic_set(&vha->loop_state, LOOP_DOWN);
1459 if (!atomic_read(&vha->loop_down_timer))
1460 atomic_set(&vha->loop_down_timer,
1461 LOOP_DOWN_TIME);
1462 qla2x00_mark_all_devices_lost(vha);
1463 }
1464
1465 if (vha->vp_idx) {
1466 atomic_set(&vha->vp_state, VP_FAILED);
1467 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1468 }
1469
1470 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1471 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1472 break;
1473
1474 case MBA_PORT_UPDATE: /* Port database update */
1475 /*
1476 * Handle only global and vn-port update events
1477 *
1478 * Relevant inputs:
1479 * mb[1] = N_Port handle of changed port
1480 * OR 0xffff for global event
1481 * mb[2] = New login state
1482 * 7 = Port logged out
1483 * mb[3] = LSB is vp_idx, 0xff = all vps
1484 *
1485 * Skip processing if:
1486 * Event is global, vp_idx is NOT all vps,
1487 * vp_idx does not match
1488 * Event is not global, vp_idx does not match
1489 */
1490 if (IS_QLA2XXX_MIDTYPE(ha) &&
1491 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
1492 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
1493 break;
1494
1495 if (mb[2] == 0x7) {
1496 ql_dbg(ql_dbg_async, vha, 0x5010,
1497 "Port %s %04x %04x %04x.\n",
1498 mb[1] == 0xffff ? "unavailable" : "logout",
1499 mb[1], mb[2], mb[3]);
1500
1501 if (mb[1] == 0xffff)
1502 goto global_port_update;
1503
1504 if (mb[1] == NPH_SNS_LID(ha)) {
1505 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1506 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1507 break;
1508 }
1509
1510 /* use handle_cnt for loop id/nport handle */
1511 if (IS_FWI2_CAPABLE(ha))
1512 handle_cnt = NPH_SNS;
1513 else
1514 handle_cnt = SIMPLE_NAME_SERVER;
1515 if (mb[1] == handle_cnt) {
1516 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1517 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1518 break;
1519 }
1520
1521 /* Port logout */
1522 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1523 if (!fcport)
1524 break;
1525 if (atomic_read(&fcport->state) != FCS_ONLINE)
1526 break;
1527 ql_dbg(ql_dbg_async, vha, 0x508a,
1528 "Marking port lost loopid=%04x portid=%06x.\n",
1529 fcport->loop_id, fcport->d_id.b24);
1530 if (qla_ini_mode_enabled(vha)) {
1531 fcport->logout_on_delete = 0;
1532 qlt_schedule_sess_for_deletion(fcport);
1533 }
1534 break;
1535
1536 global_port_update:
1537 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1538 atomic_set(&vha->loop_state, LOOP_DOWN);
1539 atomic_set(&vha->loop_down_timer,
1540 LOOP_DOWN_TIME);
1541 vha->device_flags |= DFLG_NO_CABLE;
1542 qla2x00_mark_all_devices_lost(vha);
1543 }
1544
1545 if (vha->vp_idx) {
1546 atomic_set(&vha->vp_state, VP_FAILED);
1547 fc_vport_set_state(vha->fc_vport,
1548 FC_VPORT_FAILED);
1549 qla2x00_mark_all_devices_lost(vha);
1550 }
1551
1552 vha->flags.management_server_logged_in = 0;
1553 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1554 break;
1555 }
1556
1557 /*
1558 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1559 * event etc. earlier indicating loop is down) then process
1560 * it. Otherwise ignore it and Wait for RSCN to come in.
1561 */
1562 atomic_set(&vha->loop_down_timer, 0);
1563 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1564 !ha->flags.n2n_ae &&
1565 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1566 ql_dbg(ql_dbg_async, vha, 0x5011,
1567 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1568 mb[1], mb[2], mb[3]);
1569 break;
1570 }
1571
1572 ql_dbg(ql_dbg_async, vha, 0x5012,
1573 "Port database changed %04x %04x %04x.\n",
1574 mb[1], mb[2], mb[3]);
1575
1576 /*
1577 * Mark all devices as missing so we will login again.
1578 */
1579 atomic_set(&vha->loop_state, LOOP_UP);
1580 vha->scan.scan_retry = 0;
1581
1582 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1583 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1584 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1585 break;
1586
1587 case MBA_RSCN_UPDATE: /* State Change Registration */
1588 /* Check if the Vport has issued a SCR */
1589 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1590 break;
1591 /* Only handle SCNs for our Vport index. */
1592 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1593 break;
1594
1595 ql_log(ql_log_warn, vha, 0x5013,
1596 "RSCN database changed -- %04x %04x %04x.\n",
1597 mb[1], mb[2], mb[3]);
1598
1599 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1600 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1601 | vha->d_id.b.al_pa;
1602 if (rscn_entry == host_pid) {
1603 ql_dbg(ql_dbg_async, vha, 0x5014,
1604 "Ignoring RSCN update to local host "
1605 "port ID (%06x).\n", host_pid);
1606 break;
1607 }
1608
1609 /* Ignore reserved bits from RSCN-payload. */
1610 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1611
1612 /* Skip RSCNs for virtual ports on the same physical port */
1613 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1614 break;
1615
1616 atomic_set(&vha->loop_down_timer, 0);
1617 vha->flags.management_server_logged_in = 0;
1618 {
1619 struct event_arg ea;
1620
1621 memset(&ea, 0, sizeof(ea));
1622 ea.id.b24 = rscn_entry;
1623 ea.id.b.rsvd_1 = rscn_entry >> 24;
1624 qla2x00_handle_rscn(vha, &ea);
1625 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1626 }
1627 break;
1628 case MBA_CONGN_NOTI_RECV:
1629 if (!ha->flags.scm_enabled ||
1630 mb[1] != QLA_CON_PRIMITIVE_RECEIVED)
1631 break;
1632
1633 if (mb[2] == QLA_CONGESTION_ARB_WARNING) {
1634 ql_dbg(ql_dbg_async, vha, 0x509b,
1635 "Congestion Warning %04x %04x.\n", mb[1], mb[2]);
1636 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) {
1637 ql_log(ql_log_warn, vha, 0x509b,
1638 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]);
1639 }
1640 break;
1641 /* case MBA_RIO_RESPONSE: */
1642 case MBA_ZIO_RESPONSE:
1643 ql_dbg(ql_dbg_async, vha, 0x5015,
1644 "[R|Z]IO update completion.\n");
1645
1646 if (IS_FWI2_CAPABLE(ha))
1647 qla24xx_process_response_queue(vha, rsp);
1648 else
1649 qla2x00_process_response_queue(rsp);
1650 break;
1651
1652 case MBA_DISCARD_RND_FRAME:
1653 ql_dbg(ql_dbg_async, vha, 0x5016,
1654 "Discard RND Frame -- %04x %04x %04x.\n",
1655 mb[1], mb[2], mb[3]);
1656 vha->interface_err_cnt++;
1657 break;
1658
1659 case MBA_TRACE_NOTIFICATION:
1660 ql_dbg(ql_dbg_async, vha, 0x5017,
1661 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1662 break;
1663
1664 case MBA_ISP84XX_ALERT:
1665 ql_dbg(ql_dbg_async, vha, 0x5018,
1666 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1667 mb[1], mb[2], mb[3]);
1668
1669 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1670 switch (mb[1]) {
1671 case A84_PANIC_RECOVERY:
1672 ql_log(ql_log_info, vha, 0x5019,
1673 "Alert 84XX: panic recovery %04x %04x.\n",
1674 mb[2], mb[3]);
1675 break;
1676 case A84_OP_LOGIN_COMPLETE:
1677 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1678 ql_log(ql_log_info, vha, 0x501a,
1679 "Alert 84XX: firmware version %x.\n",
1680 ha->cs84xx->op_fw_version);
1681 break;
1682 case A84_DIAG_LOGIN_COMPLETE:
1683 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1684 ql_log(ql_log_info, vha, 0x501b,
1685 "Alert 84XX: diagnostic firmware version %x.\n",
1686 ha->cs84xx->diag_fw_version);
1687 break;
1688 case A84_GOLD_LOGIN_COMPLETE:
1689 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1690 ha->cs84xx->fw_update = 1;
1691 ql_log(ql_log_info, vha, 0x501c,
1692 "Alert 84XX: gold firmware version %x.\n",
1693 ha->cs84xx->gold_fw_version);
1694 break;
1695 default:
1696 ql_log(ql_log_warn, vha, 0x501d,
1697 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1698 mb[1], mb[2], mb[3]);
1699 }
1700 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1701 break;
1702 case MBA_DCBX_START:
1703 ql_dbg(ql_dbg_async, vha, 0x501e,
1704 "DCBX Started -- %04x %04x %04x.\n",
1705 mb[1], mb[2], mb[3]);
1706 break;
1707 case MBA_DCBX_PARAM_UPDATE:
1708 ql_dbg(ql_dbg_async, vha, 0x501f,
1709 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1710 mb[1], mb[2], mb[3]);
1711 break;
1712 case MBA_FCF_CONF_ERR:
1713 ql_dbg(ql_dbg_async, vha, 0x5020,
1714 "FCF Configuration Error -- %04x %04x %04x.\n",
1715 mb[1], mb[2], mb[3]);
1716 break;
1717 case MBA_IDC_NOTIFY:
1718 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1719 mb[4] = rd_reg_word(®24->mailbox4);
1720 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1721 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1722 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1723 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1724 /*
1725 * Extend loop down timer since port is active.
1726 */
1727 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1728 atomic_set(&vha->loop_down_timer,
1729 LOOP_DOWN_TIME);
1730 qla2xxx_wake_dpc(vha);
1731 }
1732 }
1733 fallthrough;
1734 case MBA_IDC_COMPLETE:
1735 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1736 complete(&ha->lb_portup_comp);
1737 fallthrough;
1738 case MBA_IDC_TIME_EXT:
1739 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1740 IS_QLA8044(ha))
1741 qla81xx_idc_event(vha, mb[0], mb[1]);
1742 break;
1743
1744 case MBA_IDC_AEN:
1745 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1746 vha->hw_err_cnt++;
1747 qla27xx_handle_8200_aen(vha, mb);
1748 } else if (IS_QLA83XX(ha)) {
1749 mb[4] = rd_reg_word(®24->mailbox4);
1750 mb[5] = rd_reg_word(®24->mailbox5);
1751 mb[6] = rd_reg_word(®24->mailbox6);
1752 mb[7] = rd_reg_word(®24->mailbox7);
1753 qla83xx_handle_8200_aen(vha, mb);
1754 } else {
1755 ql_dbg(ql_dbg_async, vha, 0x5052,
1756 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n",
1757 mb[0], mb[1], mb[2], mb[3]);
1758 }
1759 break;
1760
1761 case MBA_DPORT_DIAGNOSTICS:
1762 if ((mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_NOERR ||
1763 (mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_ERR)
1764 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
1765 ql_dbg(ql_dbg_async, vha, 0x5052,
1766 "D-Port Diagnostics: %04x %04x %04x %04x\n",
1767 mb[0], mb[1], mb[2], mb[3]);
1768 memcpy(vha->dport_data, mb, sizeof(vha->dport_data));
1769 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1770 static char *results[] = {
1771 "start", "done(pass)", "done(error)", "undefined" };
1772 static char *types[] = {
1773 "none", "dynamic", "static", "other" };
1774 uint result = mb[1] >> 0 & 0x3;
1775 uint type = mb[1] >> 6 & 0x3;
1776 uint sw = mb[1] >> 15 & 0x1;
1777 ql_dbg(ql_dbg_async, vha, 0x5052,
1778 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n",
1779 results[result], types[type], sw);
1780 if (result == 2) {
1781 static char *reasons[] = {
1782 "reserved", "unexpected reject",
1783 "unexpected phase", "retry exceeded",
1784 "timed out", "not supported",
1785 "user stopped" };
1786 uint reason = mb[2] >> 0 & 0xf;
1787 uint phase = mb[2] >> 12 & 0xf;
1788 ql_dbg(ql_dbg_async, vha, 0x5052,
1789 "D-Port Diagnostics: reason=%s phase=%u \n",
1790 reason < 7 ? reasons[reason] : "other",
1791 phase >> 1);
1792 }
1793 }
1794 break;
1795
1796 case MBA_TEMPERATURE_ALERT:
1797 ql_dbg(ql_dbg_async, vha, 0x505e,
1798 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1799 break;
1800
1801 case MBA_TRANS_INSERT:
1802 ql_dbg(ql_dbg_async, vha, 0x5091,
1803 "Transceiver Insertion: %04x\n", mb[1]);
1804 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
1805 break;
1806
1807 case MBA_TRANS_REMOVE:
1808 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n");
1809 break;
1810
1811 default:
1812 ql_dbg(ql_dbg_async, vha, 0x5057,
1813 "Unknown AEN:%04x %04x %04x %04x\n",
1814 mb[0], mb[1], mb[2], mb[3]);
1815 }
1816
1817 qlt_async_event(mb[0], vha, mb);
1818
1819 if (!vha->vp_idx && ha->num_vhosts)
1820 qla2x00_alert_all_vps(rsp, mb);
1821 }
1822
1823 /**
1824 * qla2x00_process_completed_request() - Process a Fast Post response.
1825 * @vha: SCSI driver HA context
1826 * @req: request queue
1827 * @index: SRB index
1828 */
1829 void
qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1830 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1831 struct req_que *req, uint32_t index)
1832 {
1833 srb_t *sp;
1834 struct qla_hw_data *ha = vha->hw;
1835
1836 /* Validate handle. */
1837 if (index >= req->num_outstanding_cmds) {
1838 ql_log(ql_log_warn, vha, 0x3014,
1839 "Invalid SCSI command index (%x).\n", index);
1840
1841 if (IS_P3P_TYPE(ha))
1842 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1843 else
1844 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1845 return;
1846 }
1847
1848 sp = req->outstanding_cmds[index];
1849 if (sp) {
1850 /* Free outstanding command slot. */
1851 req->outstanding_cmds[index] = NULL;
1852
1853 /* Save ISP completion status */
1854 sp->done(sp, DID_OK << 16);
1855 } else {
1856 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1857
1858 if (IS_P3P_TYPE(ha))
1859 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1860 else
1861 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1862 }
1863 }
1864
1865 srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)1866 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1867 struct req_que *req, void *iocb)
1868 {
1869 struct qla_hw_data *ha = vha->hw;
1870 sts_entry_t *pkt = iocb;
1871 srb_t *sp;
1872 uint16_t index;
1873
1874 if (pkt->handle == QLA_SKIP_HANDLE)
1875 return NULL;
1876
1877 index = LSW(pkt->handle);
1878 if (index >= req->num_outstanding_cmds) {
1879 ql_log(ql_log_warn, vha, 0x5031,
1880 "%s: Invalid command index (%x) type %8ph.\n",
1881 func, index, iocb);
1882 if (IS_P3P_TYPE(ha))
1883 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1884 else
1885 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1886 return NULL;
1887 }
1888 sp = req->outstanding_cmds[index];
1889 if (!sp) {
1890 ql_log(ql_log_warn, vha, 0x5032,
1891 "%s: Invalid completion handle (%x) -- timed-out.\n",
1892 func, index);
1893 return NULL;
1894 }
1895 if (sp->handle != index) {
1896 ql_log(ql_log_warn, vha, 0x5033,
1897 "%s: SRB handle (%x) mismatch %x.\n", func,
1898 sp->handle, index);
1899 return NULL;
1900 }
1901
1902 req->outstanding_cmds[index] = NULL;
1903 return sp;
1904 }
1905
1906 static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)1907 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1908 struct mbx_entry *mbx)
1909 {
1910 const char func[] = "MBX-IOCB";
1911 const char *type;
1912 fc_port_t *fcport;
1913 srb_t *sp;
1914 struct srb_iocb *lio;
1915 uint16_t *data;
1916 uint16_t status;
1917
1918 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1919 if (!sp)
1920 return;
1921
1922 lio = &sp->u.iocb_cmd;
1923 type = sp->name;
1924 fcport = sp->fcport;
1925 data = lio->u.logio.data;
1926
1927 data[0] = MBS_COMMAND_ERROR;
1928 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1929 QLA_LOGIO_LOGIN_RETRIED : 0;
1930 if (mbx->entry_status) {
1931 ql_dbg(ql_dbg_async, vha, 0x5043,
1932 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1933 "entry-status=%x status=%x state-flag=%x "
1934 "status-flags=%x.\n", type, sp->handle,
1935 fcport->d_id.b.domain, fcport->d_id.b.area,
1936 fcport->d_id.b.al_pa, mbx->entry_status,
1937 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1938 le16_to_cpu(mbx->status_flags));
1939
1940 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1941 mbx, sizeof(*mbx));
1942
1943 goto logio_done;
1944 }
1945
1946 status = le16_to_cpu(mbx->status);
1947 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1948 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1949 status = 0;
1950 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1951 ql_dbg(ql_dbg_async, vha, 0x5045,
1952 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1953 type, sp->handle, fcport->d_id.b.domain,
1954 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1955 le16_to_cpu(mbx->mb1));
1956
1957 data[0] = MBS_COMMAND_COMPLETE;
1958 if (sp->type == SRB_LOGIN_CMD) {
1959 fcport->port_type = FCT_TARGET;
1960 if (le16_to_cpu(mbx->mb1) & BIT_0)
1961 fcport->port_type = FCT_INITIATOR;
1962 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1963 fcport->flags |= FCF_FCP2_DEVICE;
1964 }
1965 goto logio_done;
1966 }
1967
1968 data[0] = le16_to_cpu(mbx->mb0);
1969 switch (data[0]) {
1970 case MBS_PORT_ID_USED:
1971 data[1] = le16_to_cpu(mbx->mb1);
1972 break;
1973 case MBS_LOOP_ID_USED:
1974 break;
1975 default:
1976 data[0] = MBS_COMMAND_ERROR;
1977 break;
1978 }
1979
1980 ql_log(ql_log_warn, vha, 0x5046,
1981 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1982 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1983 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1984 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1985 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1986 le16_to_cpu(mbx->mb7));
1987
1988 logio_done:
1989 sp->done(sp, 0);
1990 }
1991
1992 static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)1993 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1994 struct mbx_24xx_entry *pkt)
1995 {
1996 const char func[] = "MBX-IOCB2";
1997 struct qla_hw_data *ha = vha->hw;
1998 srb_t *sp;
1999 struct srb_iocb *si;
2000 u16 sz, i;
2001 int res;
2002
2003 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2004 if (!sp)
2005 return;
2006
2007 if (sp->type == SRB_SCSI_CMD ||
2008 sp->type == SRB_NVME_CMD ||
2009 sp->type == SRB_TM_CMD) {
2010 ql_log(ql_log_warn, vha, 0x509d,
2011 "Inconsistent event entry type %d\n", sp->type);
2012 if (IS_P3P_TYPE(ha))
2013 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2014 else
2015 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2016 return;
2017 }
2018
2019 si = &sp->u.iocb_cmd;
2020 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
2021
2022 for (i = 0; i < sz; i++)
2023 si->u.mbx.in_mb[i] = pkt->mb[i];
2024
2025 res = (si->u.mbx.in_mb[0] & MBS_MASK);
2026
2027 sp->done(sp, res);
2028 }
2029
2030 static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)2031 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2032 struct nack_to_isp *pkt)
2033 {
2034 const char func[] = "nack";
2035 srb_t *sp;
2036 int res = 0;
2037
2038 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2039 if (!sp)
2040 return;
2041
2042 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
2043 res = QLA_FUNCTION_FAILED;
2044
2045 sp->done(sp, res);
2046 }
2047
2048 static void
qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)2049 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
2050 sts_entry_t *pkt, int iocb_type)
2051 {
2052 const char func[] = "CT_IOCB";
2053 const char *type;
2054 srb_t *sp;
2055 struct bsg_job *bsg_job;
2056 struct fc_bsg_reply *bsg_reply;
2057 uint16_t comp_status;
2058 int res = 0;
2059
2060 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2061 if (!sp)
2062 return;
2063
2064 switch (sp->type) {
2065 case SRB_CT_CMD:
2066 bsg_job = sp->u.bsg_job;
2067 bsg_reply = bsg_job->reply;
2068
2069 type = "ct pass-through";
2070
2071 comp_status = le16_to_cpu(pkt->comp_status);
2072
2073 /*
2074 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2075 * fc payload to the caller
2076 */
2077 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2078 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2079
2080 if (comp_status != CS_COMPLETE) {
2081 if (comp_status == CS_DATA_UNDERRUN) {
2082 res = DID_OK << 16;
2083 bsg_reply->reply_payload_rcv_len =
2084 le16_to_cpu(pkt->rsp_info_len);
2085
2086 ql_log(ql_log_warn, vha, 0x5048,
2087 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
2088 type, comp_status,
2089 bsg_reply->reply_payload_rcv_len);
2090 } else {
2091 ql_log(ql_log_warn, vha, 0x5049,
2092 "CT pass-through-%s error comp_status=0x%x.\n",
2093 type, comp_status);
2094 res = DID_ERROR << 16;
2095 bsg_reply->reply_payload_rcv_len = 0;
2096 }
2097 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
2098 pkt, sizeof(*pkt));
2099 } else {
2100 res = DID_OK << 16;
2101 bsg_reply->reply_payload_rcv_len =
2102 bsg_job->reply_payload.payload_len;
2103 bsg_job->reply_len = 0;
2104 }
2105 break;
2106 case SRB_CT_PTHRU_CMD:
2107 /*
2108 * borrowing sts_entry_24xx.comp_status.
2109 * same location as ct_entry_24xx.comp_status
2110 */
2111 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
2112 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2113 sp->name);
2114 break;
2115 }
2116
2117 sp->done(sp, res);
2118 }
2119
2120 static void
qla24xx_els_ct_entry(scsi_qla_host_t * v,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)2121 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req,
2122 struct sts_entry_24xx *pkt, int iocb_type)
2123 {
2124 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt;
2125 const char func[] = "ELS_CT_IOCB";
2126 const char *type;
2127 srb_t *sp;
2128 struct bsg_job *bsg_job;
2129 struct fc_bsg_reply *bsg_reply;
2130 uint16_t comp_status;
2131 uint32_t fw_status[3];
2132 int res, logit = 1;
2133 struct srb_iocb *els;
2134 uint n;
2135 scsi_qla_host_t *vha;
2136 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt;
2137
2138 sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
2139 if (!sp)
2140 return;
2141 bsg_job = sp->u.bsg_job;
2142 vha = sp->vha;
2143
2144 type = NULL;
2145
2146 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
2147 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
2148 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
2149
2150 switch (sp->type) {
2151 case SRB_ELS_CMD_RPT:
2152 case SRB_ELS_CMD_HST:
2153 type = "rpt hst";
2154 break;
2155 case SRB_ELS_CMD_HST_NOLOGIN:
2156 type = "els";
2157 {
2158 struct els_entry_24xx *els = (void *)pkt;
2159 struct qla_bsg_auth_els_request *p =
2160 (struct qla_bsg_auth_els_request *)bsg_job->request;
2161
2162 ql_dbg(ql_dbg_user, vha, 0x700f,
2163 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n",
2164 __func__, sc_to_str(p->e.sub_cmd),
2165 e->d_id[2], e->d_id[1], e->d_id[0],
2166 comp_status, p->e.extra_rx_xchg_address, bsg_job);
2167
2168 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) {
2169 if (sp->remap.remapped) {
2170 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2171 bsg_job->reply_payload.sg_cnt,
2172 sp->remap.rsp.buf,
2173 sp->remap.rsp.len);
2174 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e,
2175 "%s: SG copied %x of %x\n",
2176 __func__, n, sp->remap.rsp.len);
2177 } else {
2178 ql_dbg(ql_dbg_user, vha, 0x700f,
2179 "%s: NOT REMAPPED (error)...!!!\n",
2180 __func__);
2181 }
2182 }
2183 }
2184 break;
2185 case SRB_CT_CMD:
2186 type = "ct pass-through";
2187 break;
2188 case SRB_ELS_DCMD:
2189 type = "Driver ELS logo";
2190 if (iocb_type != ELS_IOCB_TYPE) {
2191 ql_dbg(ql_dbg_user, vha, 0x5047,
2192 "Completing %s: (%p) type=%d.\n",
2193 type, sp, sp->type);
2194 sp->done(sp, 0);
2195 return;
2196 }
2197 break;
2198 case SRB_CT_PTHRU_CMD:
2199 /* borrowing sts_entry_24xx.comp_status.
2200 same location as ct_entry_24xx.comp_status
2201 */
2202 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
2203 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2204 sp->name);
2205 sp->done(sp, res);
2206 return;
2207 default:
2208 ql_dbg(ql_dbg_user, vha, 0x503e,
2209 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
2210 return;
2211 }
2212
2213 if (iocb_type == ELS_IOCB_TYPE) {
2214 els = &sp->u.iocb_cmd;
2215 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]);
2216 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]);
2217 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]);
2218 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]);
2219 if (comp_status == CS_COMPLETE) {
2220 res = DID_OK << 16;
2221 } else {
2222 if (comp_status == CS_DATA_UNDERRUN) {
2223 res = DID_OK << 16;
2224 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu(
2225 ese->total_byte_count));
2226
2227 if (sp->remap.remapped &&
2228 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) {
2229 ql_dbg(ql_dbg_user, vha, 0x503f,
2230 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x",
2231 __func__, e->s_id[0], e->s_id[2], e->s_id[1],
2232 e->d_id[2], e->d_id[1], e->d_id[0]);
2233 logit = 0;
2234 }
2235
2236 } else if (comp_status == CS_PORT_LOGGED_OUT) {
2237 ql_dbg(ql_dbg_disc, vha, 0x911e,
2238 "%s %d schedule session deletion\n",
2239 __func__, __LINE__);
2240
2241 els->u.els_plogi.len = 0;
2242 res = DID_IMM_RETRY << 16;
2243 qlt_schedule_sess_for_deletion(sp->fcport);
2244 } else {
2245 els->u.els_plogi.len = 0;
2246 res = DID_ERROR << 16;
2247 }
2248
2249 if (sp->remap.remapped &&
2250 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) {
2251 if (logit) {
2252 ql_dbg(ql_dbg_user, vha, 0x503f,
2253 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n",
2254 type, sp->handle, comp_status);
2255
2256 ql_dbg(ql_dbg_user, vha, 0x503f,
2257 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2258 fw_status[1], fw_status[2],
2259 le32_to_cpu(((struct els_sts_entry_24xx *)
2260 pkt)->total_byte_count),
2261 e->s_id[0], e->s_id[2], e->s_id[1],
2262 e->d_id[2], e->d_id[1], e->d_id[0]);
2263 }
2264 if (sp->fcport && sp->fcport->flags & FCF_FCSP_DEVICE &&
2265 sp->type == SRB_ELS_CMD_HST_NOLOGIN) {
2266 ql_dbg(ql_dbg_edif, vha, 0x911e,
2267 "%s rcv reject. Sched delete\n", __func__);
2268 qlt_schedule_sess_for_deletion(sp->fcport);
2269 }
2270 } else if (logit) {
2271 ql_log(ql_log_info, vha, 0x503f,
2272 "%s IOCB Done hdl=%x comp_status=0x%x\n",
2273 type, sp->handle, comp_status);
2274 ql_log(ql_log_info, vha, 0x503f,
2275 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2276 fw_status[1], fw_status[2],
2277 le32_to_cpu(((struct els_sts_entry_24xx *)
2278 pkt)->total_byte_count),
2279 e->s_id[0], e->s_id[2], e->s_id[1],
2280 e->d_id[2], e->d_id[1], e->d_id[0]);
2281 }
2282 }
2283 goto els_ct_done;
2284 }
2285
2286 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2287 * fc payload to the caller
2288 */
2289 bsg_job = sp->u.bsg_job;
2290 bsg_reply = bsg_job->reply;
2291 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2292 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
2293
2294 if (comp_status != CS_COMPLETE) {
2295 if (comp_status == CS_DATA_UNDERRUN) {
2296 res = DID_OK << 16;
2297 bsg_reply->reply_payload_rcv_len =
2298 le32_to_cpu(ese->total_byte_count);
2299
2300 ql_dbg(ql_dbg_user, vha, 0x503f,
2301 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2302 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
2303 type, sp->handle, comp_status, fw_status[1], fw_status[2],
2304 le32_to_cpu(ese->total_byte_count));
2305 } else {
2306 ql_dbg(ql_dbg_user, vha, 0x5040,
2307 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2308 "error subcode 1=0x%x error subcode 2=0x%x.\n",
2309 type, sp->handle, comp_status,
2310 le32_to_cpu(ese->error_subcode_1),
2311 le32_to_cpu(ese->error_subcode_2));
2312 res = DID_ERROR << 16;
2313 bsg_reply->reply_payload_rcv_len = 0;
2314 }
2315 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
2316 fw_status, sizeof(fw_status));
2317 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
2318 pkt, sizeof(*pkt));
2319 }
2320 else {
2321 res = DID_OK << 16;
2322 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
2323 bsg_job->reply_len = 0;
2324 }
2325 els_ct_done:
2326
2327 sp->done(sp, res);
2328 }
2329
2330 static void
qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)2331 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
2332 struct logio_entry_24xx *logio)
2333 {
2334 const char func[] = "LOGIO-IOCB";
2335 const char *type;
2336 fc_port_t *fcport;
2337 srb_t *sp;
2338 struct srb_iocb *lio;
2339 uint16_t *data;
2340 uint32_t iop[2];
2341 int logit = 1;
2342
2343 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
2344 if (!sp)
2345 return;
2346
2347 lio = &sp->u.iocb_cmd;
2348 type = sp->name;
2349 fcport = sp->fcport;
2350 data = lio->u.logio.data;
2351
2352 data[0] = MBS_COMMAND_ERROR;
2353 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
2354 QLA_LOGIO_LOGIN_RETRIED : 0;
2355 if (logio->entry_status) {
2356 ql_log(ql_log_warn, fcport->vha, 0x5034,
2357 "Async-%s error entry - %8phC hdl=%x"
2358 "portid=%02x%02x%02x entry-status=%x.\n",
2359 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
2360 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2361 logio->entry_status);
2362 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
2363 logio, sizeof(*logio));
2364
2365 goto logio_done;
2366 }
2367
2368 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
2369 ql_dbg(ql_dbg_async, sp->vha, 0x5036,
2370 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n",
2371 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2372 le32_to_cpu(logio->io_parameter[0]));
2373
2374 vha->hw->exch_starvation = 0;
2375 data[0] = MBS_COMMAND_COMPLETE;
2376
2377 if (sp->type == SRB_PRLI_CMD) {
2378 lio->u.logio.iop[0] =
2379 le32_to_cpu(logio->io_parameter[0]);
2380 lio->u.logio.iop[1] =
2381 le32_to_cpu(logio->io_parameter[1]);
2382 goto logio_done;
2383 }
2384
2385 if (sp->type != SRB_LOGIN_CMD)
2386 goto logio_done;
2387
2388 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]);
2389 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP)
2390 fcport->flags |= FCF_FCSP_DEVICE;
2391
2392 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2393 if (iop[0] & BIT_4) {
2394 fcport->port_type = FCT_TARGET;
2395 if (iop[0] & BIT_8)
2396 fcport->flags |= FCF_FCP2_DEVICE;
2397 } else if (iop[0] & BIT_5)
2398 fcport->port_type = FCT_INITIATOR;
2399
2400 if (iop[0] & BIT_7)
2401 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
2402
2403 if (logio->io_parameter[7] || logio->io_parameter[8])
2404 fcport->supported_classes |= FC_COS_CLASS2;
2405 if (logio->io_parameter[9] || logio->io_parameter[10])
2406 fcport->supported_classes |= FC_COS_CLASS3;
2407
2408 goto logio_done;
2409 }
2410
2411 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2412 iop[1] = le32_to_cpu(logio->io_parameter[1]);
2413 lio->u.logio.iop[0] = iop[0];
2414 lio->u.logio.iop[1] = iop[1];
2415 switch (iop[0]) {
2416 case LSC_SCODE_PORTID_USED:
2417 data[0] = MBS_PORT_ID_USED;
2418 data[1] = LSW(iop[1]);
2419 logit = 0;
2420 break;
2421 case LSC_SCODE_NPORT_USED:
2422 data[0] = MBS_LOOP_ID_USED;
2423 logit = 0;
2424 break;
2425 case LSC_SCODE_CMD_FAILED:
2426 if (iop[1] == 0x0606) {
2427 /*
2428 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
2429 * Target side acked.
2430 */
2431 data[0] = MBS_COMMAND_COMPLETE;
2432 goto logio_done;
2433 }
2434 data[0] = MBS_COMMAND_ERROR;
2435 break;
2436 case LSC_SCODE_NOXCB:
2437 vha->hw->exch_starvation++;
2438 if (vha->hw->exch_starvation > 5) {
2439 ql_log(ql_log_warn, vha, 0xd046,
2440 "Exchange starvation. Resetting RISC\n");
2441
2442 vha->hw->exch_starvation = 0;
2443
2444 if (IS_P3P_TYPE(vha->hw))
2445 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2446 else
2447 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2448 qla2xxx_wake_dpc(vha);
2449 }
2450 fallthrough;
2451 default:
2452 data[0] = MBS_COMMAND_ERROR;
2453 break;
2454 }
2455
2456 if (logit)
2457 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: "
2458 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
2459 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2460 le16_to_cpu(logio->comp_status),
2461 le32_to_cpu(logio->io_parameter[0]),
2462 le32_to_cpu(logio->io_parameter[1]));
2463 else
2464 ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: "
2465 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
2466 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2467 le16_to_cpu(logio->comp_status),
2468 le32_to_cpu(logio->io_parameter[0]),
2469 le32_to_cpu(logio->io_parameter[1]));
2470
2471 logio_done:
2472 sp->done(sp, 0);
2473 }
2474
2475 static void
qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)2476 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
2477 {
2478 const char func[] = "TMF-IOCB";
2479 const char *type;
2480 fc_port_t *fcport;
2481 srb_t *sp;
2482 struct srb_iocb *iocb;
2483 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2484 u16 comp_status;
2485
2486 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
2487 if (!sp)
2488 return;
2489
2490 comp_status = le16_to_cpu(sts->comp_status);
2491 iocb = &sp->u.iocb_cmd;
2492 type = sp->name;
2493 fcport = sp->fcport;
2494 iocb->u.tmf.data = QLA_SUCCESS;
2495
2496 if (sts->entry_status) {
2497 ql_log(ql_log_warn, fcport->vha, 0x5038,
2498 "Async-%s error - hdl=%x entry-status(%x).\n",
2499 type, sp->handle, sts->entry_status);
2500 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2501 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
2502 ql_log(ql_log_warn, fcport->vha, 0x5039,
2503 "Async-%s error - hdl=%x completion status(%x).\n",
2504 type, sp->handle, comp_status);
2505 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2506 } else if ((le16_to_cpu(sts->scsi_status) &
2507 SS_RESPONSE_INFO_LEN_VALID)) {
2508 host_to_fcp_swap(sts->data, sizeof(sts->data));
2509 if (le32_to_cpu(sts->rsp_data_len) < 4) {
2510 ql_log(ql_log_warn, fcport->vha, 0x503b,
2511 "Async-%s error - hdl=%x not enough response(%d).\n",
2512 type, sp->handle, sts->rsp_data_len);
2513 } else if (sts->data[3]) {
2514 ql_log(ql_log_warn, fcport->vha, 0x503c,
2515 "Async-%s error - hdl=%x response(%x).\n",
2516 type, sp->handle, sts->data[3]);
2517 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2518 }
2519 }
2520
2521 switch (comp_status) {
2522 case CS_PORT_LOGGED_OUT:
2523 case CS_PORT_CONFIG_CHG:
2524 case CS_PORT_BUSY:
2525 case CS_INCOMPLETE:
2526 case CS_PORT_UNAVAILABLE:
2527 case CS_TIMEOUT:
2528 case CS_RESET:
2529 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2530 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2531 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n",
2532 fcport->d_id.b.domain, fcport->d_id.b.area,
2533 fcport->d_id.b.al_pa,
2534 port_state_str[FCS_ONLINE],
2535 comp_status);
2536
2537 qlt_schedule_sess_for_deletion(fcport);
2538 }
2539 break;
2540
2541 default:
2542 break;
2543 }
2544
2545 if (iocb->u.tmf.data != QLA_SUCCESS)
2546 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
2547 sts, sizeof(*sts));
2548
2549 sp->done(sp, 0);
2550 }
2551
qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk,srb_t * sp)2552 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2553 void *tsk, srb_t *sp)
2554 {
2555 fc_port_t *fcport;
2556 struct srb_iocb *iocb;
2557 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2558 uint16_t state_flags;
2559 struct nvmefc_fcp_req *fd;
2560 uint16_t ret = QLA_SUCCESS;
2561 __le16 comp_status = sts->comp_status;
2562 int logit = 0;
2563
2564 iocb = &sp->u.iocb_cmd;
2565 fcport = sp->fcport;
2566 iocb->u.nvme.comp_status = comp_status;
2567 state_flags = le16_to_cpu(sts->state_flags);
2568 fd = iocb->u.nvme.desc;
2569
2570 if (unlikely(iocb->u.nvme.aen_op))
2571 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
2572 else
2573 sp->qpair->cmd_completion_cnt++;
2574
2575 if (unlikely(comp_status != CS_COMPLETE))
2576 logit = 1;
2577
2578 fd->transferred_length = fd->payload_length -
2579 le32_to_cpu(sts->residual_len);
2580
2581 /*
2582 * State flags: Bit 6 and 0.
2583 * If 0 is set, we don't care about 6.
2584 * both cases resp was dma'd to host buffer
2585 * if both are 0, that is good path case.
2586 * if six is set and 0 is clear, we need to
2587 * copy resp data from status iocb to resp buffer.
2588 */
2589 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
2590 iocb->u.nvme.rsp_pyld_len = 0;
2591 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) ==
2592 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) {
2593 /* Response already DMA'd to fd->rspaddr. */
2594 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2595 } else if ((state_flags & SF_FCP_RSP_DMA)) {
2596 /*
2597 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this
2598 * as an error.
2599 */
2600 iocb->u.nvme.rsp_pyld_len = 0;
2601 fd->transferred_length = 0;
2602 ql_dbg(ql_dbg_io, fcport->vha, 0x307a,
2603 "Unexpected values in NVMe_RSP IU.\n");
2604 logit = 1;
2605 } else if (state_flags & SF_NVME_ERSP) {
2606 uint32_t *inbuf, *outbuf;
2607 uint16_t iter;
2608
2609 inbuf = (uint32_t *)&sts->nvme_ersp_data;
2610 outbuf = (uint32_t *)fd->rspaddr;
2611 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2612 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >
2613 sizeof(struct nvme_fc_ersp_iu))) {
2614 if (ql_mask_match(ql_dbg_io)) {
2615 WARN_ONCE(1, "Unexpected response payload length %u.\n",
2616 iocb->u.nvme.rsp_pyld_len);
2617 ql_log(ql_log_warn, fcport->vha, 0x5100,
2618 "Unexpected response payload length %u.\n",
2619 iocb->u.nvme.rsp_pyld_len);
2620 }
2621 iocb->u.nvme.rsp_pyld_len =
2622 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu));
2623 }
2624 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2;
2625 for (; iter; iter--)
2626 *outbuf++ = swab32(*inbuf++);
2627 }
2628
2629 if (state_flags & SF_NVME_ERSP) {
2630 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr;
2631 u32 tgt_xfer_len;
2632
2633 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len);
2634 if (fd->transferred_length != tgt_xfer_len) {
2635 ql_log(ql_log_warn, fcport->vha, 0x3079,
2636 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n",
2637 tgt_xfer_len, fd->transferred_length);
2638 logit = 1;
2639 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) {
2640 /*
2641 * Do not log if this is just an underflow and there
2642 * is no data loss.
2643 */
2644 logit = 0;
2645 }
2646 }
2647
2648 if (unlikely(logit))
2649 ql_dbg(ql_dbg_io, fcport->vha, 0x5060,
2650 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
2651 sp->name, sp->handle, comp_status,
2652 fd->transferred_length, le32_to_cpu(sts->residual_len),
2653 sts->ox_id);
2654
2655 /*
2656 * If transport error then Failure (HBA rejects request)
2657 * otherwise transport will handle.
2658 */
2659 switch (le16_to_cpu(comp_status)) {
2660 case CS_COMPLETE:
2661 break;
2662
2663 case CS_RESET:
2664 case CS_PORT_UNAVAILABLE:
2665 case CS_PORT_LOGGED_OUT:
2666 fcport->nvme_flag |= NVME_FLAG_RESETTING;
2667 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2668 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2669 "Port to be marked lost on fcport=%06x, current "
2670 "port state= %s comp_status %x.\n",
2671 fcport->d_id.b24, port_state_str[FCS_ONLINE],
2672 comp_status);
2673
2674 qlt_schedule_sess_for_deletion(fcport);
2675 }
2676 fallthrough;
2677 case CS_ABORTED:
2678 case CS_PORT_BUSY:
2679 fd->transferred_length = 0;
2680 iocb->u.nvme.rsp_pyld_len = 0;
2681 ret = QLA_ABORTED;
2682 break;
2683 case CS_DATA_UNDERRUN:
2684 break;
2685 default:
2686 ret = QLA_FUNCTION_FAILED;
2687 break;
2688 }
2689 sp->done(sp, ret);
2690 }
2691
qla_ctrlvp_completed(scsi_qla_host_t * vha,struct req_que * req,struct vp_ctrl_entry_24xx * vce)2692 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
2693 struct vp_ctrl_entry_24xx *vce)
2694 {
2695 const char func[] = "CTRLVP-IOCB";
2696 srb_t *sp;
2697 int rval = QLA_SUCCESS;
2698
2699 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
2700 if (!sp)
2701 return;
2702
2703 if (vce->entry_status != 0) {
2704 ql_dbg(ql_dbg_vport, vha, 0x10c4,
2705 "%s: Failed to complete IOCB -- error status (%x)\n",
2706 sp->name, vce->entry_status);
2707 rval = QLA_FUNCTION_FAILED;
2708 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
2709 ql_dbg(ql_dbg_vport, vha, 0x10c5,
2710 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
2711 sp->name, le16_to_cpu(vce->comp_status),
2712 le16_to_cpu(vce->vp_idx_failed));
2713 rval = QLA_FUNCTION_FAILED;
2714 } else {
2715 ql_dbg(ql_dbg_vport, vha, 0x10c6,
2716 "Done %s.\n", __func__);
2717 }
2718
2719 sp->rc = rval;
2720 sp->done(sp, rval);
2721 }
2722
2723 /* Process a single response queue entry. */
qla2x00_process_response_entry(struct scsi_qla_host * vha,struct rsp_que * rsp,sts_entry_t * pkt)2724 static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
2725 struct rsp_que *rsp,
2726 sts_entry_t *pkt)
2727 {
2728 sts21_entry_t *sts21_entry;
2729 sts22_entry_t *sts22_entry;
2730 uint16_t handle_cnt;
2731 uint16_t cnt;
2732
2733 switch (pkt->entry_type) {
2734 case STATUS_TYPE:
2735 qla2x00_status_entry(vha, rsp, pkt);
2736 break;
2737 case STATUS_TYPE_21:
2738 sts21_entry = (sts21_entry_t *)pkt;
2739 handle_cnt = sts21_entry->handle_count;
2740 for (cnt = 0; cnt < handle_cnt; cnt++)
2741 qla2x00_process_completed_request(vha, rsp->req,
2742 sts21_entry->handle[cnt]);
2743 break;
2744 case STATUS_TYPE_22:
2745 sts22_entry = (sts22_entry_t *)pkt;
2746 handle_cnt = sts22_entry->handle_count;
2747 for (cnt = 0; cnt < handle_cnt; cnt++)
2748 qla2x00_process_completed_request(vha, rsp->req,
2749 sts22_entry->handle[cnt]);
2750 break;
2751 case STATUS_CONT_TYPE:
2752 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2753 break;
2754 case MBX_IOCB_TYPE:
2755 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
2756 break;
2757 case CT_IOCB_TYPE:
2758 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2759 break;
2760 default:
2761 /* Type Not Supported. */
2762 ql_log(ql_log_warn, vha, 0x504a,
2763 "Received unknown response pkt type %x entry status=%x.\n",
2764 pkt->entry_type, pkt->entry_status);
2765 break;
2766 }
2767 }
2768
2769 /**
2770 * qla2x00_process_response_queue() - Process response queue entries.
2771 * @rsp: response queue
2772 */
2773 void
qla2x00_process_response_queue(struct rsp_que * rsp)2774 qla2x00_process_response_queue(struct rsp_que *rsp)
2775 {
2776 struct scsi_qla_host *vha;
2777 struct qla_hw_data *ha = rsp->hw;
2778 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2779 sts_entry_t *pkt;
2780
2781 vha = pci_get_drvdata(ha->pdev);
2782
2783 if (!vha->flags.online)
2784 return;
2785
2786 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2787 pkt = (sts_entry_t *)rsp->ring_ptr;
2788
2789 rsp->ring_index++;
2790 if (rsp->ring_index == rsp->length) {
2791 rsp->ring_index = 0;
2792 rsp->ring_ptr = rsp->ring;
2793 } else {
2794 rsp->ring_ptr++;
2795 }
2796
2797 if (pkt->entry_status != 0) {
2798 qla2x00_error_entry(vha, rsp, pkt);
2799 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2800 wmb();
2801 continue;
2802 }
2803
2804 qla2x00_process_response_entry(vha, rsp, pkt);
2805 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2806 wmb();
2807 }
2808
2809 /* Adjust ring index */
2810 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2811 }
2812
2813 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)2814 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2815 uint32_t sense_len, struct rsp_que *rsp, int res)
2816 {
2817 struct scsi_qla_host *vha = sp->vha;
2818 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2819 uint32_t track_sense_len;
2820
2821 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2822 sense_len = SCSI_SENSE_BUFFERSIZE;
2823
2824 SET_CMD_SENSE_LEN(sp, sense_len);
2825 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2826 track_sense_len = sense_len;
2827
2828 if (sense_len > par_sense_len)
2829 sense_len = par_sense_len;
2830
2831 memcpy(cp->sense_buffer, sense_data, sense_len);
2832
2833 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2834 track_sense_len -= sense_len;
2835 SET_CMD_SENSE_LEN(sp, track_sense_len);
2836
2837 if (track_sense_len != 0) {
2838 rsp->status_srb = sp;
2839 cp->result = res;
2840 }
2841
2842 if (sense_len) {
2843 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2844 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2845 sp->vha->host_no, cp->device->id, cp->device->lun,
2846 cp);
2847 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2848 cp->sense_buffer, sense_len);
2849 }
2850 }
2851
2852 struct scsi_dif_tuple {
2853 __be16 guard; /* Checksum */
2854 __be16 app_tag; /* APPL identifier */
2855 __be32 ref_tag; /* Target LBA or indirect LBA */
2856 };
2857
2858 /*
2859 * Checks the guard or meta-data for the type of error
2860 * detected by the HBA. In case of errors, we set the
2861 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2862 * to indicate to the kernel that the HBA detected error.
2863 */
2864 static inline int
qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)2865 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2866 {
2867 struct scsi_qla_host *vha = sp->vha;
2868 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2869 uint8_t *ap = &sts24->data[12];
2870 uint8_t *ep = &sts24->data[20];
2871 uint32_t e_ref_tag, a_ref_tag;
2872 uint16_t e_app_tag, a_app_tag;
2873 uint16_t e_guard, a_guard;
2874
2875 /*
2876 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2877 * would make guard field appear at offset 2
2878 */
2879 a_guard = get_unaligned_le16(ap + 2);
2880 a_app_tag = get_unaligned_le16(ap + 0);
2881 a_ref_tag = get_unaligned_le32(ap + 4);
2882 e_guard = get_unaligned_le16(ep + 2);
2883 e_app_tag = get_unaligned_le16(ep + 0);
2884 e_ref_tag = get_unaligned_le32(ep + 4);
2885
2886 ql_dbg(ql_dbg_io, vha, 0x3023,
2887 "iocb(s) %p Returned STATUS.\n", sts24);
2888
2889 ql_dbg(ql_dbg_io, vha, 0x3024,
2890 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2891 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2892 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2893 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2894 a_app_tag, e_app_tag, a_guard, e_guard);
2895
2896 /*
2897 * Ignore sector if:
2898 * For type 3: ref & app tag is all 'f's
2899 * For type 0,1,2: app tag is all 'f's
2900 */
2901 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) &&
2902 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 ||
2903 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) {
2904 uint32_t blocks_done, resid;
2905 sector_t lba_s = scsi_get_lba(cmd);
2906
2907 /* 2TB boundary case covered automatically with this */
2908 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2909
2910 resid = scsi_bufflen(cmd) - (blocks_done *
2911 cmd->device->sector_size);
2912
2913 scsi_set_resid(cmd, resid);
2914 cmd->result = DID_OK << 16;
2915
2916 /* Update protection tag */
2917 if (scsi_prot_sg_count(cmd)) {
2918 uint32_t i, j = 0, k = 0, num_ent;
2919 struct scatterlist *sg;
2920 struct t10_pi_tuple *spt;
2921
2922 /* Patch the corresponding protection tags */
2923 scsi_for_each_prot_sg(cmd, sg,
2924 scsi_prot_sg_count(cmd), i) {
2925 num_ent = sg_dma_len(sg) / 8;
2926 if (k + num_ent < blocks_done) {
2927 k += num_ent;
2928 continue;
2929 }
2930 j = blocks_done - k - 1;
2931 k = blocks_done;
2932 break;
2933 }
2934
2935 if (k != blocks_done) {
2936 ql_log(ql_log_warn, vha, 0x302f,
2937 "unexpected tag values tag:lba=%x:%llx)\n",
2938 e_ref_tag, (unsigned long long)lba_s);
2939 return 1;
2940 }
2941
2942 spt = page_address(sg_page(sg)) + sg->offset;
2943 spt += j;
2944
2945 spt->app_tag = T10_PI_APP_ESCAPE;
2946 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2947 spt->ref_tag = T10_PI_REF_ESCAPE;
2948 }
2949
2950 return 0;
2951 }
2952
2953 /* check guard */
2954 if (e_guard != a_guard) {
2955 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1);
2956 set_host_byte(cmd, DID_ABORT);
2957 return 1;
2958 }
2959
2960 /* check ref tag */
2961 if (e_ref_tag != a_ref_tag) {
2962 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3);
2963 set_host_byte(cmd, DID_ABORT);
2964 return 1;
2965 }
2966
2967 /* check appl tag */
2968 if (e_app_tag != a_app_tag) {
2969 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2);
2970 set_host_byte(cmd, DID_ABORT);
2971 return 1;
2972 }
2973
2974 return 1;
2975 }
2976
2977 static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)2978 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2979 struct req_que *req, uint32_t index)
2980 {
2981 struct qla_hw_data *ha = vha->hw;
2982 srb_t *sp;
2983 uint16_t comp_status;
2984 uint16_t scsi_status;
2985 uint16_t thread_id;
2986 uint32_t rval = EXT_STATUS_OK;
2987 struct bsg_job *bsg_job = NULL;
2988 struct fc_bsg_request *bsg_request;
2989 struct fc_bsg_reply *bsg_reply;
2990 sts_entry_t *sts = pkt;
2991 struct sts_entry_24xx *sts24 = pkt;
2992
2993 /* Validate handle. */
2994 if (index >= req->num_outstanding_cmds) {
2995 ql_log(ql_log_warn, vha, 0x70af,
2996 "Invalid SCSI completion handle 0x%x.\n", index);
2997 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2998 return;
2999 }
3000
3001 sp = req->outstanding_cmds[index];
3002 if (!sp) {
3003 ql_log(ql_log_warn, vha, 0x70b0,
3004 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
3005 req->id, index);
3006
3007 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3008 return;
3009 }
3010
3011 /* Free outstanding command slot. */
3012 req->outstanding_cmds[index] = NULL;
3013 bsg_job = sp->u.bsg_job;
3014 bsg_request = bsg_job->request;
3015 bsg_reply = bsg_job->reply;
3016
3017 if (IS_FWI2_CAPABLE(ha)) {
3018 comp_status = le16_to_cpu(sts24->comp_status);
3019 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3020 } else {
3021 comp_status = le16_to_cpu(sts->comp_status);
3022 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3023 }
3024
3025 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3026 switch (comp_status) {
3027 case CS_COMPLETE:
3028 if (scsi_status == 0) {
3029 bsg_reply->reply_payload_rcv_len =
3030 bsg_job->reply_payload.payload_len;
3031 vha->qla_stats.input_bytes +=
3032 bsg_reply->reply_payload_rcv_len;
3033 vha->qla_stats.input_requests++;
3034 rval = EXT_STATUS_OK;
3035 }
3036 goto done;
3037
3038 case CS_DATA_OVERRUN:
3039 ql_dbg(ql_dbg_user, vha, 0x70b1,
3040 "Command completed with data overrun thread_id=%d\n",
3041 thread_id);
3042 rval = EXT_STATUS_DATA_OVERRUN;
3043 break;
3044
3045 case CS_DATA_UNDERRUN:
3046 ql_dbg(ql_dbg_user, vha, 0x70b2,
3047 "Command completed with data underrun thread_id=%d\n",
3048 thread_id);
3049 rval = EXT_STATUS_DATA_UNDERRUN;
3050 break;
3051 case CS_BIDIR_RD_OVERRUN:
3052 ql_dbg(ql_dbg_user, vha, 0x70b3,
3053 "Command completed with read data overrun thread_id=%d\n",
3054 thread_id);
3055 rval = EXT_STATUS_DATA_OVERRUN;
3056 break;
3057
3058 case CS_BIDIR_RD_WR_OVERRUN:
3059 ql_dbg(ql_dbg_user, vha, 0x70b4,
3060 "Command completed with read and write data overrun "
3061 "thread_id=%d\n", thread_id);
3062 rval = EXT_STATUS_DATA_OVERRUN;
3063 break;
3064
3065 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
3066 ql_dbg(ql_dbg_user, vha, 0x70b5,
3067 "Command completed with read data over and write data "
3068 "underrun thread_id=%d\n", thread_id);
3069 rval = EXT_STATUS_DATA_OVERRUN;
3070 break;
3071
3072 case CS_BIDIR_RD_UNDERRUN:
3073 ql_dbg(ql_dbg_user, vha, 0x70b6,
3074 "Command completed with read data underrun "
3075 "thread_id=%d\n", thread_id);
3076 rval = EXT_STATUS_DATA_UNDERRUN;
3077 break;
3078
3079 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
3080 ql_dbg(ql_dbg_user, vha, 0x70b7,
3081 "Command completed with read data under and write data "
3082 "overrun thread_id=%d\n", thread_id);
3083 rval = EXT_STATUS_DATA_UNDERRUN;
3084 break;
3085
3086 case CS_BIDIR_RD_WR_UNDERRUN:
3087 ql_dbg(ql_dbg_user, vha, 0x70b8,
3088 "Command completed with read and write data underrun "
3089 "thread_id=%d\n", thread_id);
3090 rval = EXT_STATUS_DATA_UNDERRUN;
3091 break;
3092
3093 case CS_BIDIR_DMA:
3094 ql_dbg(ql_dbg_user, vha, 0x70b9,
3095 "Command completed with data DMA error thread_id=%d\n",
3096 thread_id);
3097 rval = EXT_STATUS_DMA_ERR;
3098 break;
3099
3100 case CS_TIMEOUT:
3101 ql_dbg(ql_dbg_user, vha, 0x70ba,
3102 "Command completed with timeout thread_id=%d\n",
3103 thread_id);
3104 rval = EXT_STATUS_TIMEOUT;
3105 break;
3106 default:
3107 ql_dbg(ql_dbg_user, vha, 0x70bb,
3108 "Command completed with completion status=0x%x "
3109 "thread_id=%d\n", comp_status, thread_id);
3110 rval = EXT_STATUS_ERR;
3111 break;
3112 }
3113 bsg_reply->reply_payload_rcv_len = 0;
3114
3115 done:
3116 /* Return the vendor specific reply to API */
3117 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
3118 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
3119 /* Always return DID_OK, bsg will send the vendor specific response
3120 * in this case only */
3121 sp->done(sp, DID_OK << 16);
3122
3123 }
3124
3125 /**
3126 * qla2x00_status_entry() - Process a Status IOCB entry.
3127 * @vha: SCSI driver HA context
3128 * @rsp: response queue
3129 * @pkt: Entry pointer
3130 */
3131 static void
qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)3132 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
3133 {
3134 srb_t *sp;
3135 fc_port_t *fcport;
3136 struct scsi_cmnd *cp;
3137 sts_entry_t *sts = pkt;
3138 struct sts_entry_24xx *sts24 = pkt;
3139 uint16_t comp_status;
3140 uint16_t scsi_status;
3141 uint16_t ox_id;
3142 uint8_t lscsi_status;
3143 int32_t resid;
3144 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
3145 fw_resid_len;
3146 uint8_t *rsp_info, *sense_data;
3147 struct qla_hw_data *ha = vha->hw;
3148 uint32_t handle;
3149 uint16_t que;
3150 struct req_que *req;
3151 int logit = 1;
3152 int res = 0;
3153 uint16_t state_flags = 0;
3154 uint16_t sts_qual = 0;
3155
3156 if (IS_FWI2_CAPABLE(ha)) {
3157 comp_status = le16_to_cpu(sts24->comp_status);
3158 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3159 state_flags = le16_to_cpu(sts24->state_flags);
3160 } else {
3161 comp_status = le16_to_cpu(sts->comp_status);
3162 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3163 }
3164 handle = (uint32_t) LSW(sts->handle);
3165 que = MSW(sts->handle);
3166 req = ha->req_q_map[que];
3167
3168 /* Check for invalid queue pointer */
3169 if (req == NULL ||
3170 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
3171 ql_dbg(ql_dbg_io, vha, 0x3059,
3172 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
3173 "que=%u.\n", sts->handle, req, que);
3174 return;
3175 }
3176
3177 /* Validate handle. */
3178 if (handle < req->num_outstanding_cmds) {
3179 sp = req->outstanding_cmds[handle];
3180 if (!sp) {
3181 ql_dbg(ql_dbg_io, vha, 0x3075,
3182 "%s(%ld): Already returned command for status handle (0x%x).\n",
3183 __func__, vha->host_no, sts->handle);
3184 return;
3185 }
3186 } else {
3187 ql_dbg(ql_dbg_io, vha, 0x3017,
3188 "Invalid status handle, out of range (0x%x).\n",
3189 sts->handle);
3190
3191 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3192 if (IS_P3P_TYPE(ha))
3193 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
3194 else
3195 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3196 qla2xxx_wake_dpc(vha);
3197 }
3198 return;
3199 }
3200 qla_put_iocbs(sp->qpair, &sp->iores);
3201
3202 if (sp->cmd_type != TYPE_SRB) {
3203 req->outstanding_cmds[handle] = NULL;
3204 ql_dbg(ql_dbg_io, vha, 0x3015,
3205 "Unknown sp->cmd_type %x %p).\n",
3206 sp->cmd_type, sp);
3207 return;
3208 }
3209
3210 /* NVME completion. */
3211 if (sp->type == SRB_NVME_CMD) {
3212 req->outstanding_cmds[handle] = NULL;
3213 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
3214 return;
3215 }
3216
3217 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
3218 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
3219 return;
3220 }
3221
3222 /* Task Management completion. */
3223 if (sp->type == SRB_TM_CMD) {
3224 qla24xx_tm_iocb_entry(vha, req, pkt);
3225 return;
3226 }
3227
3228 /* Fast path completion. */
3229 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24);
3230 sp->qpair->cmd_completion_cnt++;
3231
3232 if (comp_status == CS_COMPLETE && scsi_status == 0) {
3233 qla2x00_process_completed_request(vha, req, handle);
3234
3235 return;
3236 }
3237
3238 req->outstanding_cmds[handle] = NULL;
3239 cp = GET_CMD_SP(sp);
3240 if (cp == NULL) {
3241 ql_dbg(ql_dbg_io, vha, 0x3018,
3242 "Command already returned (0x%x/%p).\n",
3243 sts->handle, sp);
3244
3245 return;
3246 }
3247
3248 lscsi_status = scsi_status & STATUS_MASK;
3249
3250 fcport = sp->fcport;
3251
3252 ox_id = 0;
3253 sense_len = par_sense_len = rsp_info_len = resid_len =
3254 fw_resid_len = 0;
3255 if (IS_FWI2_CAPABLE(ha)) {
3256 if (scsi_status & SS_SENSE_LEN_VALID)
3257 sense_len = le32_to_cpu(sts24->sense_len);
3258 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3259 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
3260 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
3261 resid_len = le32_to_cpu(sts24->rsp_residual_count);
3262 if (comp_status == CS_DATA_UNDERRUN)
3263 fw_resid_len = le32_to_cpu(sts24->residual_len);
3264 rsp_info = sts24->data;
3265 sense_data = sts24->data;
3266 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
3267 ox_id = le16_to_cpu(sts24->ox_id);
3268 par_sense_len = sizeof(sts24->data);
3269 sts_qual = le16_to_cpu(sts24->status_qualifier);
3270 } else {
3271 if (scsi_status & SS_SENSE_LEN_VALID)
3272 sense_len = le16_to_cpu(sts->req_sense_length);
3273 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3274 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
3275 resid_len = le32_to_cpu(sts->residual_length);
3276 rsp_info = sts->rsp_info;
3277 sense_data = sts->req_sense_data;
3278 par_sense_len = sizeof(sts->req_sense_data);
3279 }
3280
3281 /* Check for any FCP transport errors. */
3282 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
3283 /* Sense data lies beyond any FCP RESPONSE data. */
3284 if (IS_FWI2_CAPABLE(ha)) {
3285 sense_data += rsp_info_len;
3286 par_sense_len -= rsp_info_len;
3287 }
3288 if (rsp_info_len > 3 && rsp_info[3]) {
3289 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
3290 "FCP I/O protocol failure (0x%x/0x%x).\n",
3291 rsp_info_len, rsp_info[3]);
3292
3293 res = DID_BUS_BUSY << 16;
3294 goto out;
3295 }
3296 }
3297
3298 /* Check for overrun. */
3299 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
3300 scsi_status & SS_RESIDUAL_OVER)
3301 comp_status = CS_DATA_OVERRUN;
3302
3303 /*
3304 * Check retry_delay_timer value if we receive a busy or
3305 * queue full.
3306 */
3307 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL ||
3308 lscsi_status == SAM_STAT_BUSY))
3309 qla2x00_set_retry_delay_timestamp(fcport, sts_qual);
3310
3311 /*
3312 * Based on Host and scsi status generate status code for Linux
3313 */
3314 switch (comp_status) {
3315 case CS_COMPLETE:
3316 case CS_QUEUE_FULL:
3317 if (scsi_status == 0) {
3318 res = DID_OK << 16;
3319 break;
3320 }
3321 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
3322 resid = resid_len;
3323 scsi_set_resid(cp, resid);
3324
3325 if (!lscsi_status &&
3326 ((unsigned)(scsi_bufflen(cp) - resid) <
3327 cp->underflow)) {
3328 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
3329 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3330 resid, scsi_bufflen(cp));
3331
3332 res = DID_ERROR << 16;
3333 break;
3334 }
3335 }
3336 res = DID_OK << 16 | lscsi_status;
3337
3338 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3339 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
3340 "QUEUE FULL detected.\n");
3341 break;
3342 }
3343 logit = 0;
3344 if (lscsi_status != SS_CHECK_CONDITION)
3345 break;
3346
3347 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3348 if (!(scsi_status & SS_SENSE_LEN_VALID))
3349 break;
3350
3351 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
3352 rsp, res);
3353 break;
3354
3355 case CS_DATA_UNDERRUN:
3356 /* Use F/W calculated residual length. */
3357 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
3358 scsi_set_resid(cp, resid);
3359 if (scsi_status & SS_RESIDUAL_UNDER) {
3360 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
3361 ql_log(ql_log_warn, fcport->vha, 0x301d,
3362 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3363 resid, scsi_bufflen(cp));
3364
3365 vha->interface_err_cnt++;
3366
3367 res = DID_ERROR << 16 | lscsi_status;
3368 goto check_scsi_status;
3369 }
3370
3371 if (!lscsi_status &&
3372 ((unsigned)(scsi_bufflen(cp) - resid) <
3373 cp->underflow)) {
3374 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
3375 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3376 resid, scsi_bufflen(cp));
3377
3378 res = DID_ERROR << 16;
3379 break;
3380 }
3381 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
3382 lscsi_status != SAM_STAT_BUSY) {
3383 /*
3384 * scsi status of task set and busy are considered to be
3385 * task not completed.
3386 */
3387
3388 ql_log(ql_log_warn, fcport->vha, 0x301f,
3389 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3390 resid, scsi_bufflen(cp));
3391
3392 vha->interface_err_cnt++;
3393
3394 res = DID_ERROR << 16 | lscsi_status;
3395 goto check_scsi_status;
3396 } else {
3397 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
3398 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
3399 scsi_status, lscsi_status);
3400 }
3401
3402 res = DID_OK << 16 | lscsi_status;
3403 logit = 0;
3404
3405 check_scsi_status:
3406 /*
3407 * Check to see if SCSI Status is non zero. If so report SCSI
3408 * Status.
3409 */
3410 if (lscsi_status != 0) {
3411 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3412 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
3413 "QUEUE FULL detected.\n");
3414 logit = 1;
3415 break;
3416 }
3417 if (lscsi_status != SS_CHECK_CONDITION)
3418 break;
3419
3420 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3421 if (!(scsi_status & SS_SENSE_LEN_VALID))
3422 break;
3423
3424 qla2x00_handle_sense(sp, sense_data, par_sense_len,
3425 sense_len, rsp, res);
3426 }
3427 break;
3428
3429 case CS_PORT_LOGGED_OUT:
3430 case CS_PORT_CONFIG_CHG:
3431 case CS_PORT_BUSY:
3432 case CS_INCOMPLETE:
3433 case CS_PORT_UNAVAILABLE:
3434 case CS_TIMEOUT:
3435 case CS_RESET:
3436 case CS_EDIF_INV_REQ:
3437
3438 /*
3439 * We are going to have the fc class block the rport
3440 * while we try to recover so instruct the mid layer
3441 * to requeue until the class decides how to handle this.
3442 */
3443 res = DID_TRANSPORT_DISRUPTED << 16;
3444
3445 if (comp_status == CS_TIMEOUT) {
3446 if (IS_FWI2_CAPABLE(ha))
3447 break;
3448 else if ((le16_to_cpu(sts->status_flags) &
3449 SF_LOGOUT_SENT) == 0)
3450 break;
3451 }
3452
3453 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3454 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
3455 "Port to be marked lost on fcport=%02x%02x%02x, current "
3456 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
3457 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3458 port_state_str[FCS_ONLINE],
3459 comp_status);
3460
3461 qlt_schedule_sess_for_deletion(fcport);
3462 }
3463
3464 break;
3465
3466 case CS_ABORTED:
3467 res = DID_RESET << 16;
3468 break;
3469
3470 case CS_DIF_ERROR:
3471 logit = qla2x00_handle_dif_error(sp, sts24);
3472 res = cp->result;
3473 break;
3474
3475 case CS_TRANSPORT:
3476 res = DID_ERROR << 16;
3477 vha->hw_err_cnt++;
3478
3479 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
3480 break;
3481
3482 if (state_flags & BIT_4)
3483 scmd_printk(KERN_WARNING, cp,
3484 "Unsupported device '%s' found.\n",
3485 cp->device->vendor);
3486 break;
3487
3488 case CS_DMA:
3489 ql_log(ql_log_info, fcport->vha, 0x3022,
3490 "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",
3491 comp_status, scsi_status, res, vha->host_no,
3492 cp->device->id, cp->device->lun, fcport->d_id.b24,
3493 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3494 resid_len, fw_resid_len, sp, cp);
3495 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
3496 pkt, sizeof(*sts24));
3497 res = DID_ERROR << 16;
3498 vha->hw_err_cnt++;
3499 break;
3500 default:
3501 res = DID_ERROR << 16;
3502 break;
3503 }
3504
3505 out:
3506 if (logit)
3507 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
3508 "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",
3509 comp_status, scsi_status, res, vha->host_no,
3510 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
3511 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
3512 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3513 resid_len, fw_resid_len, sp, cp);
3514
3515 if (rsp->status_srb == NULL)
3516 sp->done(sp, res);
3517 }
3518
3519 /**
3520 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
3521 * @rsp: response queue
3522 * @pkt: Entry pointer
3523 *
3524 * Extended sense data.
3525 */
3526 static void
qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)3527 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
3528 {
3529 uint8_t sense_sz = 0;
3530 struct qla_hw_data *ha = rsp->hw;
3531 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
3532 srb_t *sp = rsp->status_srb;
3533 struct scsi_cmnd *cp;
3534 uint32_t sense_len;
3535 uint8_t *sense_ptr;
3536
3537 if (!sp || !GET_CMD_SENSE_LEN(sp))
3538 return;
3539
3540 sense_len = GET_CMD_SENSE_LEN(sp);
3541 sense_ptr = GET_CMD_SENSE_PTR(sp);
3542
3543 cp = GET_CMD_SP(sp);
3544 if (cp == NULL) {
3545 ql_log(ql_log_warn, vha, 0x3025,
3546 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
3547
3548 rsp->status_srb = NULL;
3549 return;
3550 }
3551
3552 if (sense_len > sizeof(pkt->data))
3553 sense_sz = sizeof(pkt->data);
3554 else
3555 sense_sz = sense_len;
3556
3557 /* Move sense data. */
3558 if (IS_FWI2_CAPABLE(ha))
3559 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
3560 memcpy(sense_ptr, pkt->data, sense_sz);
3561 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
3562 sense_ptr, sense_sz);
3563
3564 sense_len -= sense_sz;
3565 sense_ptr += sense_sz;
3566
3567 SET_CMD_SENSE_PTR(sp, sense_ptr);
3568 SET_CMD_SENSE_LEN(sp, sense_len);
3569
3570 /* Place command on done queue. */
3571 if (sense_len == 0) {
3572 rsp->status_srb = NULL;
3573 sp->done(sp, cp->result);
3574 }
3575 }
3576
3577 /**
3578 * qla2x00_error_entry() - Process an error entry.
3579 * @vha: SCSI driver HA context
3580 * @rsp: response queue
3581 * @pkt: Entry pointer
3582 * return : 1=allow further error analysis. 0=no additional error analysis.
3583 */
3584 static int
qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)3585 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
3586 {
3587 srb_t *sp;
3588 struct qla_hw_data *ha = vha->hw;
3589 const char func[] = "ERROR-IOCB";
3590 uint16_t que = MSW(pkt->handle);
3591 struct req_que *req = NULL;
3592 int res = DID_ERROR << 16;
3593
3594 ql_dbg(ql_dbg_async, vha, 0x502a,
3595 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
3596 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
3597
3598 if (que >= ha->max_req_queues || !ha->req_q_map[que])
3599 goto fatal;
3600
3601 req = ha->req_q_map[que];
3602
3603 if (pkt->entry_status & RF_BUSY)
3604 res = DID_BUS_BUSY << 16;
3605
3606 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
3607 return 0;
3608
3609 switch (pkt->entry_type) {
3610 case NOTIFY_ACK_TYPE:
3611 case STATUS_TYPE:
3612 case STATUS_CONT_TYPE:
3613 case LOGINOUT_PORT_IOCB_TYPE:
3614 case CT_IOCB_TYPE:
3615 case ELS_IOCB_TYPE:
3616 case ABORT_IOCB_TYPE:
3617 case MBX_IOCB_TYPE:
3618 default:
3619 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3620 if (sp) {
3621 qla_put_iocbs(sp->qpair, &sp->iores);
3622 sp->done(sp, res);
3623 return 0;
3624 }
3625 break;
3626
3627 case SA_UPDATE_IOCB_TYPE:
3628 case ABTS_RESP_24XX:
3629 case CTIO_TYPE7:
3630 case CTIO_CRC2:
3631 return 1;
3632 }
3633 fatal:
3634 ql_log(ql_log_warn, vha, 0x5030,
3635 "Error entry - invalid handle/queue (%04x).\n", que);
3636 return 0;
3637 }
3638
3639 /**
3640 * qla24xx_mbx_completion() - Process mailbox command completions.
3641 * @vha: SCSI driver HA context
3642 * @mb0: Mailbox0 register
3643 */
3644 static void
qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)3645 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
3646 {
3647 uint16_t cnt;
3648 uint32_t mboxes;
3649 __le16 __iomem *wptr;
3650 struct qla_hw_data *ha = vha->hw;
3651 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3652
3653 /* Read all mbox registers? */
3654 WARN_ON_ONCE(ha->mbx_count > 32);
3655 mboxes = (1ULL << ha->mbx_count) - 1;
3656 if (!ha->mcp)
3657 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
3658 else
3659 mboxes = ha->mcp->in_mb;
3660
3661 /* Load return mailbox registers. */
3662 ha->flags.mbox_int = 1;
3663 ha->mailbox_out[0] = mb0;
3664 mboxes >>= 1;
3665 wptr = ®->mailbox1;
3666
3667 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
3668 if (mboxes & BIT_0)
3669 ha->mailbox_out[cnt] = rd_reg_word(wptr);
3670
3671 mboxes >>= 1;
3672 wptr++;
3673 }
3674 }
3675
3676 static void
qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)3677 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
3678 struct abort_entry_24xx *pkt)
3679 {
3680 const char func[] = "ABT_IOCB";
3681 srb_t *sp;
3682 srb_t *orig_sp = NULL;
3683 struct srb_iocb *abt;
3684
3685 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3686 if (!sp)
3687 return;
3688
3689 abt = &sp->u.iocb_cmd;
3690 abt->u.abt.comp_status = pkt->comp_status;
3691 orig_sp = sp->cmd_sp;
3692 /* Need to pass original sp */
3693 if (orig_sp)
3694 qla_nvme_abort_process_comp_status(pkt, orig_sp);
3695
3696 sp->done(sp, 0);
3697 }
3698
qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)3699 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
3700 struct pt_ls4_request *pkt, struct req_que *req)
3701 {
3702 srb_t *sp;
3703 const char func[] = "LS4_IOCB";
3704 uint16_t comp_status;
3705
3706 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3707 if (!sp)
3708 return;
3709
3710 comp_status = le16_to_cpu(pkt->status);
3711 sp->done(sp, comp_status);
3712 }
3713
3714 /**
3715 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available
3716 * before iocb processing can start.
3717 * @vha: host adapter pointer
3718 * @rsp: respond queue
3719 * @pkt: head iocb describing how many continuation iocb
3720 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.
3721 */
qla_chk_cont_iocb_avail(struct scsi_qla_host * vha,struct rsp_que * rsp,response_t * pkt,u32 rsp_q_in)3722 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,
3723 struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in)
3724 {
3725 int start_pkt_ring_index;
3726 u32 iocb_cnt = 0;
3727 int rc = 0;
3728
3729 if (pkt->entry_count == 1)
3730 return rc;
3731
3732 /* ring_index was pre-increment. set it back to current pkt */
3733 if (rsp->ring_index == 0)
3734 start_pkt_ring_index = rsp->length - 1;
3735 else
3736 start_pkt_ring_index = rsp->ring_index - 1;
3737
3738 if (rsp_q_in < start_pkt_ring_index)
3739 /* q in ptr is wrapped */
3740 iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in;
3741 else
3742 iocb_cnt = rsp_q_in - start_pkt_ring_index;
3743
3744 if (iocb_cnt < pkt->entry_count)
3745 rc = -EIO;
3746
3747 ql_dbg(ql_dbg_init, vha, 0x5091,
3748 "%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n",
3749 __func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc);
3750
3751 return rc;
3752 }
3753
3754 /**
3755 * qla24xx_process_response_queue() - Process response queue entries.
3756 * @vha: SCSI driver HA context
3757 * @rsp: response queue
3758 */
qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)3759 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
3760 struct rsp_que *rsp)
3761 {
3762 struct sts_entry_24xx *pkt;
3763 struct qla_hw_data *ha = vha->hw;
3764 struct purex_entry_24xx *purex_entry;
3765 struct purex_item *pure_item;
3766 u16 rsp_in = 0, cur_ring_index;
3767 int is_shadow_hba;
3768
3769 if (!ha->flags.fw_started)
3770 return;
3771
3772 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
3773 rsp->qpair->rcv_intr = 1;
3774 qla_cpu_update(rsp->qpair, smp_processor_id());
3775 }
3776
3777 #define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \
3778 do { \
3779 _rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \
3780 rd_reg_dword_relaxed((_rsp)->rsp_q_in); \
3781 } while (0)
3782
3783 is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha);
3784
3785 __update_rsp_in(is_shadow_hba, rsp, rsp_in);
3786
3787 while (rsp->ring_index != rsp_in &&
3788 rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
3789 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
3790 cur_ring_index = rsp->ring_index;
3791
3792 rsp->ring_index++;
3793 if (rsp->ring_index == rsp->length) {
3794 rsp->ring_index = 0;
3795 rsp->ring_ptr = rsp->ring;
3796 } else {
3797 rsp->ring_ptr++;
3798 }
3799
3800 if (pkt->entry_status != 0) {
3801 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
3802 goto process_err;
3803
3804 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3805 wmb();
3806 continue;
3807 }
3808 process_err:
3809
3810 switch (pkt->entry_type) {
3811 case STATUS_TYPE:
3812 qla2x00_status_entry(vha, rsp, pkt);
3813 break;
3814 case STATUS_CONT_TYPE:
3815 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3816 break;
3817 case VP_RPT_ID_IOCB_TYPE:
3818 qla24xx_report_id_acquisition(vha,
3819 (struct vp_rpt_id_entry_24xx *)pkt);
3820 break;
3821 case LOGINOUT_PORT_IOCB_TYPE:
3822 qla24xx_logio_entry(vha, rsp->req,
3823 (struct logio_entry_24xx *)pkt);
3824 break;
3825 case CT_IOCB_TYPE:
3826 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3827 break;
3828 case ELS_IOCB_TYPE:
3829 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3830 break;
3831 case ABTS_RECV_24XX:
3832 if (qla_ini_mode_enabled(vha)) {
3833 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3834 if (!pure_item)
3835 break;
3836 qla24xx_queue_purex_item(vha, pure_item,
3837 qla24xx_process_abts);
3838 break;
3839 }
3840 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3841 IS_QLA28XX(ha)) {
3842 /* ensure that the ATIO queue is empty */
3843 qlt_handle_abts_recv(vha, rsp,
3844 (response_t *)pkt);
3845 break;
3846 } else {
3847 qlt_24xx_process_atio_queue(vha, 1);
3848 }
3849 fallthrough;
3850 case ABTS_RESP_24XX:
3851 case CTIO_TYPE7:
3852 case CTIO_CRC2:
3853 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3854 break;
3855 case PT_LS4_REQUEST:
3856 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3857 rsp->req);
3858 break;
3859 case NOTIFY_ACK_TYPE:
3860 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3861 qlt_response_pkt_all_vps(vha, rsp,
3862 (response_t *)pkt);
3863 else
3864 qla24xxx_nack_iocb_entry(vha, rsp->req,
3865 (struct nack_to_isp *)pkt);
3866 break;
3867 case MARKER_TYPE:
3868 /* Do nothing in this case, this check is to prevent it
3869 * from falling into default case
3870 */
3871 break;
3872 case ABORT_IOCB_TYPE:
3873 qla24xx_abort_iocb_entry(vha, rsp->req,
3874 (struct abort_entry_24xx *)pkt);
3875 break;
3876 case MBX_IOCB_TYPE:
3877 qla24xx_mbx_iocb_entry(vha, rsp->req,
3878 (struct mbx_24xx_entry *)pkt);
3879 break;
3880 case VP_CTRL_IOCB_TYPE:
3881 qla_ctrlvp_completed(vha, rsp->req,
3882 (struct vp_ctrl_entry_24xx *)pkt);
3883 break;
3884 case PUREX_IOCB_TYPE:
3885 purex_entry = (void *)pkt;
3886 switch (purex_entry->els_frame_payload[3]) {
3887 case ELS_RDP:
3888 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3889 if (!pure_item)
3890 break;
3891 qla24xx_queue_purex_item(vha, pure_item,
3892 qla24xx_process_purex_rdp);
3893 break;
3894 case ELS_FPIN:
3895 if (!vha->hw->flags.scm_enabled) {
3896 ql_log(ql_log_warn, vha, 0x5094,
3897 "SCM not active for this port\n");
3898 break;
3899 }
3900 pure_item = qla27xx_copy_fpin_pkt(vha,
3901 (void **)&pkt, &rsp);
3902 __update_rsp_in(is_shadow_hba, rsp, rsp_in);
3903 if (!pure_item)
3904 break;
3905 qla24xx_queue_purex_item(vha, pure_item,
3906 qla27xx_process_purex_fpin);
3907 break;
3908
3909 case ELS_AUTH_ELS:
3910 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) {
3911 /*
3912 * ring_ptr and ring_index were
3913 * pre-incremented above. Reset them
3914 * back to current. Wait for next
3915 * interrupt with all IOCBs to arrive
3916 * and re-process.
3917 */
3918 rsp->ring_ptr = (response_t *)pkt;
3919 rsp->ring_index = cur_ring_index;
3920
3921 ql_dbg(ql_dbg_init, vha, 0x5091,
3922 "Defer processing ELS opcode %#x...\n",
3923 purex_entry->els_frame_payload[3]);
3924 return;
3925 }
3926 qla24xx_auth_els(vha, (void **)&pkt, &rsp);
3927 break;
3928 default:
3929 ql_log(ql_log_warn, vha, 0x509c,
3930 "Discarding ELS Request opcode 0x%x\n",
3931 purex_entry->els_frame_payload[3]);
3932 }
3933 break;
3934 case SA_UPDATE_IOCB_TYPE:
3935 qla28xx_sa_update_iocb_entry(vha, rsp->req,
3936 (struct sa_update_28xx *)pkt);
3937 break;
3938
3939 default:
3940 /* Type Not Supported. */
3941 ql_dbg(ql_dbg_async, vha, 0x5042,
3942 "Received unknown response pkt type 0x%x entry status=%x.\n",
3943 pkt->entry_type, pkt->entry_status);
3944 break;
3945 }
3946 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3947 wmb();
3948 }
3949
3950 /* Adjust ring index */
3951 if (IS_P3P_TYPE(ha)) {
3952 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3953
3954 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index);
3955 } else {
3956 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index);
3957 }
3958 }
3959
3960 static void
qla2xxx_check_risc_status(scsi_qla_host_t * vha)3961 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3962 {
3963 int rval;
3964 uint32_t cnt;
3965 struct qla_hw_data *ha = vha->hw;
3966 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3967
3968 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3969 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3970 return;
3971
3972 rval = QLA_SUCCESS;
3973 wrt_reg_dword(®->iobase_addr, 0x7C00);
3974 rd_reg_dword(®->iobase_addr);
3975 wrt_reg_dword(®->iobase_window, 0x0001);
3976 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3977 rval == QLA_SUCCESS; cnt--) {
3978 if (cnt) {
3979 wrt_reg_dword(®->iobase_window, 0x0001);
3980 udelay(10);
3981 } else
3982 rval = QLA_FUNCTION_TIMEOUT;
3983 }
3984 if (rval == QLA_SUCCESS)
3985 goto next_test;
3986
3987 rval = QLA_SUCCESS;
3988 wrt_reg_dword(®->iobase_window, 0x0003);
3989 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3990 rval == QLA_SUCCESS; cnt--) {
3991 if (cnt) {
3992 wrt_reg_dword(®->iobase_window, 0x0003);
3993 udelay(10);
3994 } else
3995 rval = QLA_FUNCTION_TIMEOUT;
3996 }
3997 if (rval != QLA_SUCCESS)
3998 goto done;
3999
4000 next_test:
4001 if (rd_reg_dword(®->iobase_c8) & BIT_3)
4002 ql_log(ql_log_info, vha, 0x504c,
4003 "Additional code -- 0x55AA.\n");
4004
4005 done:
4006 wrt_reg_dword(®->iobase_window, 0x0000);
4007 rd_reg_dword(®->iobase_window);
4008 }
4009
4010 /**
4011 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
4012 * @irq: interrupt number
4013 * @dev_id: SCSI driver HA context
4014 *
4015 * Called by system whenever the host adapter generates an interrupt.
4016 *
4017 * Returns handled flag.
4018 */
4019 irqreturn_t
qla24xx_intr_handler(int irq,void * dev_id)4020 qla24xx_intr_handler(int irq, void *dev_id)
4021 {
4022 scsi_qla_host_t *vha;
4023 struct qla_hw_data *ha;
4024 struct device_reg_24xx __iomem *reg;
4025 int status;
4026 unsigned long iter;
4027 uint32_t stat;
4028 uint32_t hccr;
4029 uint16_t mb[8];
4030 struct rsp_que *rsp;
4031 unsigned long flags;
4032 bool process_atio = false;
4033
4034 rsp = (struct rsp_que *) dev_id;
4035 if (!rsp) {
4036 ql_log(ql_log_info, NULL, 0x5059,
4037 "%s: NULL response queue pointer.\n", __func__);
4038 return IRQ_NONE;
4039 }
4040
4041 ha = rsp->hw;
4042 reg = &ha->iobase->isp24;
4043 status = 0;
4044
4045 if (unlikely(pci_channel_offline(ha->pdev)))
4046 return IRQ_HANDLED;
4047
4048 spin_lock_irqsave(&ha->hardware_lock, flags);
4049 vha = pci_get_drvdata(ha->pdev);
4050 for (iter = 50; iter--; ) {
4051 stat = rd_reg_dword(®->host_status);
4052 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4053 break;
4054 if (stat & HSRX_RISC_PAUSED) {
4055 if (unlikely(pci_channel_offline(ha->pdev)))
4056 break;
4057
4058 hccr = rd_reg_dword(®->hccr);
4059
4060 ql_log(ql_log_warn, vha, 0x504b,
4061 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4062 hccr);
4063
4064 qla2xxx_check_risc_status(vha);
4065
4066 ha->isp_ops->fw_dump(vha);
4067 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4068 break;
4069 } else if ((stat & HSRX_RISC_INT) == 0)
4070 break;
4071
4072 switch (stat & 0xff) {
4073 case INTR_ROM_MB_SUCCESS:
4074 case INTR_ROM_MB_FAILED:
4075 case INTR_MB_SUCCESS:
4076 case INTR_MB_FAILED:
4077 qla24xx_mbx_completion(vha, MSW(stat));
4078 status |= MBX_INTERRUPT;
4079
4080 break;
4081 case INTR_ASYNC_EVENT:
4082 mb[0] = MSW(stat);
4083 mb[1] = rd_reg_word(®->mailbox1);
4084 mb[2] = rd_reg_word(®->mailbox2);
4085 mb[3] = rd_reg_word(®->mailbox3);
4086 qla2x00_async_event(vha, rsp, mb);
4087 break;
4088 case INTR_RSP_QUE_UPDATE:
4089 case INTR_RSP_QUE_UPDATE_83XX:
4090 qla24xx_process_response_queue(vha, rsp);
4091 break;
4092 case INTR_ATIO_QUE_UPDATE_27XX:
4093 case INTR_ATIO_QUE_UPDATE:
4094 process_atio = true;
4095 break;
4096 case INTR_ATIO_RSP_QUE_UPDATE:
4097 process_atio = true;
4098 qla24xx_process_response_queue(vha, rsp);
4099 break;
4100 default:
4101 ql_dbg(ql_dbg_async, vha, 0x504f,
4102 "Unrecognized interrupt type (%d).\n", stat * 0xff);
4103 break;
4104 }
4105 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4106 rd_reg_dword_relaxed(®->hccr);
4107 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
4108 ndelay(3500);
4109 }
4110 qla2x00_handle_mbx_completion(ha, status);
4111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4112
4113 if (process_atio) {
4114 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4115 qlt_24xx_process_atio_queue(vha, 0);
4116 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4117 }
4118
4119 return IRQ_HANDLED;
4120 }
4121
4122 static irqreturn_t
qla24xx_msix_rsp_q(int irq,void * dev_id)4123 qla24xx_msix_rsp_q(int irq, void *dev_id)
4124 {
4125 struct qla_hw_data *ha;
4126 struct rsp_que *rsp;
4127 struct device_reg_24xx __iomem *reg;
4128 struct scsi_qla_host *vha;
4129 unsigned long flags;
4130
4131 rsp = (struct rsp_que *) dev_id;
4132 if (!rsp) {
4133 ql_log(ql_log_info, NULL, 0x505a,
4134 "%s: NULL response queue pointer.\n", __func__);
4135 return IRQ_NONE;
4136 }
4137 ha = rsp->hw;
4138 reg = &ha->iobase->isp24;
4139
4140 spin_lock_irqsave(&ha->hardware_lock, flags);
4141
4142 vha = pci_get_drvdata(ha->pdev);
4143 qla24xx_process_response_queue(vha, rsp);
4144 if (!ha->flags.disable_msix_handshake) {
4145 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4146 rd_reg_dword_relaxed(®->hccr);
4147 }
4148 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4149
4150 return IRQ_HANDLED;
4151 }
4152
4153 static irqreturn_t
qla24xx_msix_default(int irq,void * dev_id)4154 qla24xx_msix_default(int irq, void *dev_id)
4155 {
4156 scsi_qla_host_t *vha;
4157 struct qla_hw_data *ha;
4158 struct rsp_que *rsp;
4159 struct device_reg_24xx __iomem *reg;
4160 int status;
4161 uint32_t stat;
4162 uint32_t hccr;
4163 uint16_t mb[8];
4164 unsigned long flags;
4165 bool process_atio = false;
4166
4167 rsp = (struct rsp_que *) dev_id;
4168 if (!rsp) {
4169 ql_log(ql_log_info, NULL, 0x505c,
4170 "%s: NULL response queue pointer.\n", __func__);
4171 return IRQ_NONE;
4172 }
4173 ha = rsp->hw;
4174 reg = &ha->iobase->isp24;
4175 status = 0;
4176
4177 spin_lock_irqsave(&ha->hardware_lock, flags);
4178 vha = pci_get_drvdata(ha->pdev);
4179 do {
4180 stat = rd_reg_dword(®->host_status);
4181 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4182 break;
4183 if (stat & HSRX_RISC_PAUSED) {
4184 if (unlikely(pci_channel_offline(ha->pdev)))
4185 break;
4186
4187 hccr = rd_reg_dword(®->hccr);
4188
4189 ql_log(ql_log_info, vha, 0x5050,
4190 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4191 hccr);
4192
4193 qla2xxx_check_risc_status(vha);
4194 vha->hw_err_cnt++;
4195
4196 ha->isp_ops->fw_dump(vha);
4197 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4198 break;
4199 } else if ((stat & HSRX_RISC_INT) == 0)
4200 break;
4201
4202 switch (stat & 0xff) {
4203 case INTR_ROM_MB_SUCCESS:
4204 case INTR_ROM_MB_FAILED:
4205 case INTR_MB_SUCCESS:
4206 case INTR_MB_FAILED:
4207 qla24xx_mbx_completion(vha, MSW(stat));
4208 status |= MBX_INTERRUPT;
4209
4210 break;
4211 case INTR_ASYNC_EVENT:
4212 mb[0] = MSW(stat);
4213 mb[1] = rd_reg_word(®->mailbox1);
4214 mb[2] = rd_reg_word(®->mailbox2);
4215 mb[3] = rd_reg_word(®->mailbox3);
4216 qla2x00_async_event(vha, rsp, mb);
4217 break;
4218 case INTR_RSP_QUE_UPDATE:
4219 case INTR_RSP_QUE_UPDATE_83XX:
4220 qla24xx_process_response_queue(vha, rsp);
4221 break;
4222 case INTR_ATIO_QUE_UPDATE_27XX:
4223 case INTR_ATIO_QUE_UPDATE:
4224 process_atio = true;
4225 break;
4226 case INTR_ATIO_RSP_QUE_UPDATE:
4227 process_atio = true;
4228 qla24xx_process_response_queue(vha, rsp);
4229 break;
4230 default:
4231 ql_dbg(ql_dbg_async, vha, 0x5051,
4232 "Unrecognized interrupt type (%d).\n", stat & 0xff);
4233 break;
4234 }
4235 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4236 } while (0);
4237 qla2x00_handle_mbx_completion(ha, status);
4238 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4239
4240 if (process_atio) {
4241 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4242 qlt_24xx_process_atio_queue(vha, 0);
4243 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4244 }
4245
4246 return IRQ_HANDLED;
4247 }
4248
4249 irqreturn_t
qla2xxx_msix_rsp_q(int irq,void * dev_id)4250 qla2xxx_msix_rsp_q(int irq, void *dev_id)
4251 {
4252 struct qla_hw_data *ha;
4253 struct qla_qpair *qpair;
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 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4264
4265 return IRQ_HANDLED;
4266 }
4267
4268 irqreturn_t
qla2xxx_msix_rsp_q_hs(int irq,void * dev_id)4269 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id)
4270 {
4271 struct qla_hw_data *ha;
4272 struct qla_qpair *qpair;
4273 struct device_reg_24xx __iomem *reg;
4274 unsigned long flags;
4275
4276 qpair = dev_id;
4277 if (!qpair) {
4278 ql_log(ql_log_info, NULL, 0x505b,
4279 "%s: NULL response queue pointer.\n", __func__);
4280 return IRQ_NONE;
4281 }
4282 ha = qpair->hw;
4283
4284 reg = &ha->iobase->isp24;
4285 spin_lock_irqsave(&ha->hardware_lock, flags);
4286 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4288
4289 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4290
4291 return IRQ_HANDLED;
4292 }
4293
4294 /* Interrupt handling helpers. */
4295
4296 struct qla_init_msix_entry {
4297 const char *name;
4298 irq_handler_t handler;
4299 };
4300
4301 static const struct qla_init_msix_entry msix_entries[] = {
4302 { "default", qla24xx_msix_default },
4303 { "rsp_q", qla24xx_msix_rsp_q },
4304 { "atio_q", qla83xx_msix_atio_q },
4305 { "qpair_multiq", qla2xxx_msix_rsp_q },
4306 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs },
4307 };
4308
4309 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
4310 { "qla2xxx (default)", qla82xx_msix_default },
4311 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
4312 };
4313
4314 static int
qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)4315 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
4316 {
4317 int i, ret;
4318 struct qla_msix_entry *qentry;
4319 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4320 int min_vecs = QLA_BASE_VECTORS;
4321 struct irq_affinity desc = {
4322 .pre_vectors = QLA_BASE_VECTORS,
4323 };
4324
4325 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4326 IS_ATIO_MSIX_CAPABLE(ha)) {
4327 desc.pre_vectors++;
4328 min_vecs++;
4329 }
4330
4331 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
4332 /* user wants to control IRQ setting for target mode */
4333 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
4334 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4335 PCI_IRQ_MSIX);
4336 } else
4337 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
4338 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4339 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
4340 &desc);
4341
4342 if (ret < 0) {
4343 ql_log(ql_log_fatal, vha, 0x00c7,
4344 "MSI-X: Failed to enable support, "
4345 "giving up -- %d/%d.\n",
4346 ha->msix_count, ret);
4347 goto msix_out;
4348 } else if (ret < ha->msix_count) {
4349 ql_log(ql_log_info, vha, 0x00c6,
4350 "MSI-X: Using %d vectors\n", ret);
4351 ha->msix_count = ret;
4352 /* Recalculate queue values */
4353 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
4354 ha->max_req_queues = ha->msix_count - 1;
4355
4356 /* ATIOQ needs 1 vector. That's 1 less QPair */
4357 if (QLA_TGT_MODE_ENABLED())
4358 ha->max_req_queues--;
4359
4360 ha->max_rsp_queues = ha->max_req_queues;
4361
4362 ha->max_qpairs = ha->max_req_queues - 1;
4363 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
4364 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
4365 }
4366 }
4367 vha->irq_offset = desc.pre_vectors;
4368 ha->msix_entries = kcalloc(ha->msix_count,
4369 sizeof(struct qla_msix_entry),
4370 GFP_KERNEL);
4371 if (!ha->msix_entries) {
4372 ql_log(ql_log_fatal, vha, 0x00c8,
4373 "Failed to allocate memory for ha->msix_entries.\n");
4374 ret = -ENOMEM;
4375 goto free_irqs;
4376 }
4377 ha->flags.msix_enabled = 1;
4378
4379 for (i = 0; i < ha->msix_count; i++) {
4380 qentry = &ha->msix_entries[i];
4381 qentry->vector = pci_irq_vector(ha->pdev, i);
4382 qentry->entry = i;
4383 qentry->have_irq = 0;
4384 qentry->in_use = 0;
4385 qentry->handle = NULL;
4386 }
4387
4388 /* Enable MSI-X vectors for the base queue */
4389 for (i = 0; i < QLA_BASE_VECTORS; i++) {
4390 qentry = &ha->msix_entries[i];
4391 qentry->handle = rsp;
4392 rsp->msix = qentry;
4393 scnprintf(qentry->name, sizeof(qentry->name),
4394 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
4395 if (IS_P3P_TYPE(ha))
4396 ret = request_irq(qentry->vector,
4397 qla82xx_msix_entries[i].handler,
4398 0, qla82xx_msix_entries[i].name, rsp);
4399 else
4400 ret = request_irq(qentry->vector,
4401 msix_entries[i].handler,
4402 0, qentry->name, rsp);
4403 if (ret)
4404 goto msix_register_fail;
4405 qentry->have_irq = 1;
4406 qentry->in_use = 1;
4407 }
4408
4409 /*
4410 * If target mode is enable, also request the vector for the ATIO
4411 * queue.
4412 */
4413 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4414 IS_ATIO_MSIX_CAPABLE(ha)) {
4415 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
4416 rsp->msix = qentry;
4417 qentry->handle = rsp;
4418 scnprintf(qentry->name, sizeof(qentry->name),
4419 "qla2xxx%lu_%s", vha->host_no,
4420 msix_entries[QLA_ATIO_VECTOR].name);
4421 qentry->in_use = 1;
4422 ret = request_irq(qentry->vector,
4423 msix_entries[QLA_ATIO_VECTOR].handler,
4424 0, qentry->name, rsp);
4425 qentry->have_irq = 1;
4426 }
4427
4428 msix_register_fail:
4429 if (ret) {
4430 ql_log(ql_log_fatal, vha, 0x00cb,
4431 "MSI-X: unable to register handler -- %x/%d.\n",
4432 qentry->vector, ret);
4433 qla2x00_free_irqs(vha);
4434 ha->mqenable = 0;
4435 goto msix_out;
4436 }
4437
4438 /* Enable MSI-X vector for response queue update for queue 0 */
4439 if (IS_MQUE_CAPABLE(ha) &&
4440 (ha->msixbase && ha->mqiobase && ha->max_qpairs))
4441 ha->mqenable = 1;
4442 else
4443 ha->mqenable = 0;
4444
4445 ql_dbg(ql_dbg_multiq, vha, 0xc005,
4446 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4447 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4448 ql_dbg(ql_dbg_init, vha, 0x0055,
4449 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4450 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4451
4452 msix_out:
4453 return ret;
4454
4455 free_irqs:
4456 pci_free_irq_vectors(ha->pdev);
4457 goto msix_out;
4458 }
4459
4460 int
qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)4461 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
4462 {
4463 int ret = QLA_FUNCTION_FAILED;
4464 device_reg_t *reg = ha->iobase;
4465 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4466
4467 /* If possible, enable MSI-X. */
4468 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
4469 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
4470 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
4471 goto skip_msi;
4472
4473 if (ql2xenablemsix == 2)
4474 goto skip_msix;
4475
4476 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
4477 (ha->pdev->subsystem_device == 0x7040 ||
4478 ha->pdev->subsystem_device == 0x7041 ||
4479 ha->pdev->subsystem_device == 0x1705)) {
4480 ql_log(ql_log_warn, vha, 0x0034,
4481 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
4482 ha->pdev->subsystem_vendor,
4483 ha->pdev->subsystem_device);
4484 goto skip_msi;
4485 }
4486
4487 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
4488 ql_log(ql_log_warn, vha, 0x0035,
4489 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
4490 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
4491 goto skip_msix;
4492 }
4493
4494 ret = qla24xx_enable_msix(ha, rsp);
4495 if (!ret) {
4496 ql_dbg(ql_dbg_init, vha, 0x0036,
4497 "MSI-X: Enabled (0x%X, 0x%X).\n",
4498 ha->chip_revision, ha->fw_attributes);
4499 goto clear_risc_ints;
4500 }
4501
4502 skip_msix:
4503
4504 ql_log(ql_log_info, vha, 0x0037,
4505 "Falling back-to MSI mode -- ret=%d.\n", ret);
4506
4507 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
4508 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
4509 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
4510 goto skip_msi;
4511
4512 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
4513 if (ret > 0) {
4514 ql_dbg(ql_dbg_init, vha, 0x0038,
4515 "MSI: Enabled.\n");
4516 ha->flags.msi_enabled = 1;
4517 } else
4518 ql_log(ql_log_warn, vha, 0x0039,
4519 "Falling back-to INTa mode -- ret=%d.\n", ret);
4520 skip_msi:
4521
4522 /* Skip INTx on ISP82xx. */
4523 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
4524 return QLA_FUNCTION_FAILED;
4525
4526 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
4527 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
4528 QLA2XXX_DRIVER_NAME, rsp);
4529 if (ret) {
4530 ql_log(ql_log_warn, vha, 0x003a,
4531 "Failed to reserve interrupt %d already in use.\n",
4532 ha->pdev->irq);
4533 goto fail;
4534 } else if (!ha->flags.msi_enabled) {
4535 ql_dbg(ql_dbg_init, vha, 0x0125,
4536 "INTa mode: Enabled.\n");
4537 ha->flags.mr_intr_valid = 1;
4538 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */
4539 ha->max_qpairs = 0;
4540 }
4541
4542 clear_risc_ints:
4543 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
4544 goto fail;
4545
4546 spin_lock_irq(&ha->hardware_lock);
4547 wrt_reg_word(®->isp.semaphore, 0);
4548 spin_unlock_irq(&ha->hardware_lock);
4549
4550 fail:
4551 return ret;
4552 }
4553
4554 void
qla2x00_free_irqs(scsi_qla_host_t * vha)4555 qla2x00_free_irqs(scsi_qla_host_t *vha)
4556 {
4557 struct qla_hw_data *ha = vha->hw;
4558 struct rsp_que *rsp;
4559 struct qla_msix_entry *qentry;
4560 int i;
4561
4562 /*
4563 * We need to check that ha->rsp_q_map is valid in case we are called
4564 * from a probe failure context.
4565 */
4566 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
4567 goto free_irqs;
4568 rsp = ha->rsp_q_map[0];
4569
4570 if (ha->flags.msix_enabled) {
4571 for (i = 0; i < ha->msix_count; i++) {
4572 qentry = &ha->msix_entries[i];
4573 if (qentry->have_irq) {
4574 irq_set_affinity_notifier(qentry->vector, NULL);
4575 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
4576 }
4577 }
4578 kfree(ha->msix_entries);
4579 ha->msix_entries = NULL;
4580 ha->flags.msix_enabled = 0;
4581 ql_dbg(ql_dbg_init, vha, 0x0042,
4582 "Disabled MSI-X.\n");
4583 } else {
4584 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
4585 }
4586
4587 free_irqs:
4588 pci_free_irq_vectors(ha->pdev);
4589 }
4590
qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)4591 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
4592 struct qla_msix_entry *msix, int vector_type)
4593 {
4594 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
4595 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4596 int ret;
4597
4598 scnprintf(msix->name, sizeof(msix->name),
4599 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
4600 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
4601 if (ret) {
4602 ql_log(ql_log_fatal, vha, 0x00e6,
4603 "MSI-X: Unable to register handler -- %x/%d.\n",
4604 msix->vector, ret);
4605 return ret;
4606 }
4607 msix->have_irq = 1;
4608 msix->handle = qpair;
4609 return ret;
4610 }
4611