1 // SPDX-License-Identifier: GPL-2.0-only
3 * QLogic Fibre Channel HBA Driver
4 * Copyright (c) 2003-2014 QLogic Corporation
7 #include "qla_target.h"
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>
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 *,
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,
29 static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha,
31 static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha,
32 void **pkt, struct rsp_que **rsp);
35 qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item)
37 void *pkt = &item->iocb;
38 uint16_t pkt_size = item->size;
40 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d,
41 "%s: Enter\n", __func__);
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,
48 fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt);
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"
60 qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt)
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;
71 ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__);
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));
82 rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma,
85 ql_log(ql_log_warn, vha, 0x0287,
86 "Failed allocate dma buffer ABTS/ELS RSP.\n");
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);
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);
113 ql_dbg(ql_dbg_init, vha, 0x028a,
114 "%s: abort exchange done.\n", __func__);
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);
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);
165 ql_dbg(ql_dbg_init, vha, 0x028ea,
166 "%s: done.\n", __func__);
169 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma);
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.
181 * it is assumed pkt is the head iocb, not the continuation iocbk
183 void __qla_consume_iocb(struct scsi_qla_host *vha,
184 void **pkt, struct rsp_que **rsp)
186 struct rsp_que *rsp_q = *rsp;
188 uint16_t entry_count_remaining;
189 struct purex_entry_24xx *purex = *pkt;
191 entry_count_remaining = purex->entry_count;
192 while (entry_count_remaining > 0) {
193 new_pkt = rsp_q->ring_ptr;
197 if (rsp_q->ring_index == rsp_q->length) {
198 rsp_q->ring_index = 0;
199 rsp_q->ring_ptr = rsp_q->ring;
204 new_pkt->signature = RESPONSE_PROCESSED;
205 /* flush signature */
207 --entry_count_remaining;
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
220 int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha,
221 void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len)
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;
231 entry_count_remaining = purex->entry_count;
232 total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF)
233 - PURX_ELS_HEADER_SIZE;
236 * end of payload may not end in 4bytes boundary. Need to
237 * round up / pad for room to swap, before saving data
239 tpad = roundup(total_bytes, 4);
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);
249 pending_bytes = total_bytes = tpad;
250 no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ?
251 sizeof(purex->els_frame_payload) : pending_bytes;
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;
258 ((response_t *)purex)->signature = RESPONSE_PROCESSED;
259 /* flush signature */
263 while ((total_bytes > 0) && (entry_count_remaining > 0)) {
264 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
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",
275 if (rsp_q->ring_index == rsp_q->length) {
276 rsp_q->ring_index = 0;
277 rsp_q->ring_ptr = rsp_q->ring;
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,
286 buffer_copy_offset += no_bytes;
287 pending_bytes -= no_bytes;
288 --entry_count_remaining;
290 ql_log(ql_log_warn, vha, 0x5044,
291 "Attempt to copy more that we got, optimizing..%x\n",
293 memcpy((buf + buffer_copy_offset), new_pkt->data,
294 total_bytes - buffer_copy_offset);
297 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
298 /* flush signature */
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);
308 } while (entry_count_remaining > 0);
310 be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2);
316 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
317 * @irq: interrupt number
318 * @dev_id: SCSI driver HA context
320 * Called by system whenever the host adapter generates an interrupt.
322 * Returns handled flag.
325 qla2100_intr_handler(int irq, void *dev_id)
327 scsi_qla_host_t *vha;
328 struct qla_hw_data *ha;
329 struct device_reg_2xxx __iomem *reg;
337 rsp = (struct rsp_que *) dev_id;
339 ql_log(ql_log_info, NULL, 0x505d,
340 "%s: NULL response queue pointer.\n", __func__);
345 reg = &ha->iobase->isp;
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))
354 if (hccr & HCCR_RISC_PAUSE) {
355 if (pci_channel_offline(ha->pdev))
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.
363 wrt_reg_word(®->hccr, HCCR_RESET_RISC);
364 rd_reg_word(®->hccr);
366 ha->isp_ops->fw_dump(vha);
367 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
369 } else if ((rd_reg_word(®->istatus) & ISR_RISC_INT) == 0)
372 if (rd_reg_word(®->semaphore) & BIT_0) {
373 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
374 rd_reg_word(®->hccr);
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);
388 ql_dbg(ql_dbg_async, vha, 0x5025,
389 "Unrecognized interrupt type (%d).\n",
392 /* Release mailbox registers. */
393 wrt_reg_word(®->semaphore, 0);
394 rd_reg_word(®->semaphore);
396 qla2x00_process_response_queue(rsp);
398 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
399 rd_reg_word(®->hccr);
402 qla2x00_handle_mbx_completion(ha, status);
403 spin_unlock_irqrestore(&ha->hardware_lock, flags);
405 return (IRQ_HANDLED);
409 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
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);
424 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
426 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
430 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
431 * @irq: interrupt number
432 * @dev_id: SCSI driver HA context
434 * Called by system whenever the host adapter generates an interrupt.
436 * Returns handled flag.
439 qla2300_intr_handler(int irq, void *dev_id)
441 scsi_qla_host_t *vha;
442 struct device_reg_2xxx __iomem *reg;
449 struct qla_hw_data *ha;
452 rsp = (struct rsp_que *) dev_id;
454 ql_log(ql_log_info, NULL, 0x5058,
455 "%s: NULL response queue pointer.\n", __func__);
460 reg = &ha->iobase->isp;
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))
469 if (stat & HSR_RISC_PAUSED) {
470 if (unlikely(pci_channel_offline(ha->pdev)))
473 hccr = rd_reg_word(®->hccr);
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);
480 ql_log(ql_log_warn, vha, 0x5027,
481 "RISC paused -- HCCR=%x, Dumping "
482 "firmware.\n", hccr);
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.
489 wrt_reg_word(®->hccr, HCCR_RESET_RISC);
490 rd_reg_word(®->hccr);
492 ha->isp_ops->fw_dump(vha);
493 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
495 } else if ((stat & HSR_RISC_INT) == 0)
498 switch (stat & 0xff) {
503 qla2x00_mbx_completion(vha, MSW(stat));
504 status |= MBX_INTERRUPT;
506 /* Release mailbox registers. */
507 wrt_reg_word(®->semaphore, 0);
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);
517 qla2x00_process_response_queue(rsp);
520 mb[0] = MBA_CMPLT_1_16BIT;
522 qla2x00_async_event(vha, rsp, mb);
525 mb[0] = MBA_SCSI_COMPLETION;
527 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
528 qla2x00_async_event(vha, rsp, mb);
531 ql_dbg(ql_dbg_async, vha, 0x5028,
532 "Unrecognized interrupt type (%d).\n", stat & 0xff);
535 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT);
536 rd_reg_word_relaxed(®->hccr);
538 qla2x00_handle_mbx_completion(ha, status);
539 spin_unlock_irqrestore(&ha->hardware_lock, flags);
541 return (IRQ_HANDLED);
545 * qla2x00_mbx_completion() - Process mailbox command completions.
546 * @vha: SCSI driver HA context
547 * @mb0: Mailbox0 register
550 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
554 __le16 __iomem *wptr;
555 struct qla_hw_data *ha = vha->hw;
556 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
558 /* Read all mbox registers? */
559 WARN_ON_ONCE(ha->mbx_count > 32);
560 mboxes = (1ULL << ha->mbx_count) - 1;
562 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
564 mboxes = ha->mcp->in_mb;
566 /* Load return mailbox registers. */
567 ha->flags.mbox_int = 1;
568 ha->mailbox_out[0] = mb0;
570 wptr = MAILBOX_REG(ha, reg, 1);
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);
586 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
588 static char *event[] =
589 { "Complete", "Request Notification", "Time Extension" };
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];
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];
604 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
605 mb[cnt] = rd_reg_word(wptr);
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]);
613 /* Handle IDC Error completion case. */
614 case MBA_IDC_COMPLETE:
616 vha->hw->flags.idc_compl_status = 1;
617 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
618 complete(&vha->hw->dcbx_comp);
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);
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");
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);
648 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
650 static const char *const link_speeds[] = {
651 "1", "2", "?", "4", "8", "16", "32", "64", "10"
653 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1)
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];
662 return link_speeds[LS_UNKNOWN];
666 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
668 struct qla_hw_data *ha = vha->hw;
671 * 8200 AEN Interpretation:
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
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]);
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");
694 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
695 uint32_t protocol_engine_id, fw_err_code, err_level;
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])
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 "
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);
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;
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
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
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
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);
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,
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,
805 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
808 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
809 ql_log(ql_log_warn, vha, 0x5069,
810 "Heartbeat Failure encountered, chip reset "
813 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
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)
822 qla83xx_schedule_work(vha, MBA_IDC_AEN);
827 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
829 struct qla_hw_data *ha = vha->hw;
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) {
846 spin_unlock_irqrestore(&ha->vport_slock, flags);
852 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
857 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
858 if (f->loop_id == loop_id)
864 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
869 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
870 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
873 else if (f->deleted == 0)
881 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
887 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
888 if (f->d_id.b24 == id->b24) {
891 else if (f->deleted == 0)
898 /* Shall be called only on supported adapters. */
900 qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
902 struct qla_hw_data *ha = vha->hw;
903 bool reset_isp_needed = false;
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]);
911 if ((mb[1] & BIT_8) == 0)
914 ql_log(ql_log_warn, vha, 0x02f1,
915 "MPI Heartbeat stop. FW dump needed\n");
917 if (ql2xfulldump_on_mpifail) {
918 ha->isp_ops->fw_dump(vha);
919 reset_isp_needed = true;
922 ha->isp_ops->mpi_fw_dump(vha, 1);
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);
931 static struct purex_item *
932 qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size)
934 struct purex_item *item = NULL;
935 uint8_t item_hdr_size = sizeof(*item);
937 if (size > QLA_DEFAULT_PAYLOAD_SIZE) {
938 item = kzalloc(item_hdr_size +
939 (size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC);
941 if (atomic_inc_return(&vha->default_item.in_use) == 1) {
942 item = &vha->default_item;
943 goto initialize_purex_header;
945 item = kzalloc(item_hdr_size, GFP_ATOMIC);
949 ql_log(ql_log_warn, vha, 0x5092,
950 ">> Failed allocate purex list item.\n");
955 initialize_purex_header:
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))
966 struct purex_list *list = &vha->purex_list;
969 pkt->process_item = process_item;
971 spin_lock_irqsave(&list->lock, flags);
972 list_add_tail(&pkt->list, &list->head);
973 spin_unlock_irqrestore(&list->lock, flags);
975 set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags);
979 * qla24xx_copy_std_pkt() - Copy over purex ELS which is
980 * contained in a single IOCB.
982 * @vha: SCSI driver HA context
985 static struct purex_item
986 *qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt)
988 struct purex_item *item;
990 item = qla24xx_alloc_purex_item(vha,
991 QLA_DEFAULT_PAYLOAD_SIZE);
995 memcpy(&item->iocb, pkt, sizeof(item->iocb));
1000 * qla27xx_copy_fpin_pkt() - Copy over fpin packets that can
1001 * span over multiple IOCBs.
1002 * @vha: SCSI driver HA context
1004 * @rsp: Response queue
1006 static struct purex_item *
1007 qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt,
1008 struct rsp_que **rsp)
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;
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);
1029 item = qla24xx_alloc_purex_item(vha, total_bytes);
1033 fpin_pkt = &item->iocb;
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;
1040 ((response_t *)purex)->signature = RESPONSE_PROCESSED;
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);
1053 new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
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);
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;
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,
1076 buffer_copy_offset += no_bytes;
1077 pending_bytes -= no_bytes;
1078 --entry_count_remaining;
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);
1088 ((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
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);
1099 } while (entry_count_remaining > 0);
1100 host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes);
1105 * qla2x00_async_event() - Process aynchronous events.
1106 * @vha: SCSI driver HA context
1107 * @rsp: response queue
1108 * @mb: Mailbox registers (0 - 3)
1111 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1113 uint16_t handle_cnt;
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;
1124 if (!vha->hw->flags.fw_started)
1127 /* Setup to process RIO completion. */
1129 if (IS_CNA_CAPABLE(ha))
1132 case MBA_SCSI_COMPLETION:
1133 handles[0] = make_handle(mb[2], mb[1]);
1136 case MBA_CMPLT_1_16BIT:
1139 mb[0] = MBA_SCSI_COMPLETION;
1141 case MBA_CMPLT_2_16BIT:
1145 mb[0] = MBA_SCSI_COMPLETION;
1147 case MBA_CMPLT_3_16BIT:
1152 mb[0] = MBA_SCSI_COMPLETION;
1154 case MBA_CMPLT_4_16BIT:
1158 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
1160 mb[0] = MBA_SCSI_COMPLETION;
1162 case MBA_CMPLT_5_16BIT:
1166 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
1167 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
1169 mb[0] = MBA_SCSI_COMPLETION;
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));
1176 mb[0] = MBA_SCSI_COMPLETION;
1183 case MBA_SCSI_COMPLETION: /* Fast Post */
1184 if (!vha->flags.online)
1187 for (cnt = 0; cnt < handle_cnt; cnt++)
1188 qla2x00_process_completed_request(vha, rsp->req,
1192 case MBA_RESET: /* Reset */
1193 ql_dbg(ql_dbg_async, vha, 0x5002,
1194 "Asynchronous RESET.\n");
1196 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1199 case MBA_SYSTEM_ERR: /* System Error */
1204 if (IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
1205 IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
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);
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]);
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]);
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;
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;
1236 /* Check to see if MPI timeout occurred */
1237 if ((mbx & MBX_3) && (ha->port_no == 0))
1238 set_bit(MPI_RESET_NEEDED,
1241 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1243 } else if (mb[1] == 0) {
1244 ql_log(ql_log_fatal, vha, 0x5005,
1245 "Unrecoverable Hardware Error: adapter marked "
1247 vha->flags.online = 0;
1248 vha->device_flags |= DFLG_DEV_FAILED;
1250 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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]);
1259 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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]);
1268 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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]);
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);
1282 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
1283 ha->flags.lip_ae = 1;
1285 ql_dbg(ql_dbg_async, vha, 0x5009,
1286 "LIP occurred (%x).\n", mb[1]);
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);
1295 atomic_set(&vha->vp_state, VP_FAILED);
1296 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1299 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
1300 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1302 vha->flags.management_server_logged_in = 0;
1303 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1306 case MBA_LOOP_UP: /* Loop Up Event */
1307 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1308 ha->link_data_rate = PORT_SPEED_1GB;
1310 ha->link_data_rate = mb[1];
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));
1316 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1318 ql_log(ql_log_info, vha, 0x11a0,
1319 "FEC=enabled (link up).\n");
1322 vha->flags.management_server_logged_in = 0;
1323 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
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;
1332 case MBA_LOOP_DOWN: /* Loop Down Event */
1334 ha->flags.lip_ae = 0;
1335 ha->current_topology = 0;
1336 vha->link_down_time = 0;
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])
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);
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);
1350 * In case of loop down, restore WWPN from
1351 * NVRAM in case of FA-WWPN capable ISP
1352 * Restore for Physical Port only
1355 if (ha->flags.fawwpn_enabled &&
1356 (ha->current_topology == ISP_CFG_F)) {
1357 void *wwpn = ha->init_cb->port_name;
1359 memcpy(vha->port_name, wwpn, WWN_SIZE);
1360 fc_host_port_name(vha->host) =
1361 wwn_to_u64(vha->port_name);
1362 ql_dbg(ql_dbg_init + ql_dbg_verbose,
1363 vha, 0x00d8, "LOOP DOWN detected,"
1364 "restore WWPN %016llx\n",
1365 wwn_to_u64(vha->port_name));
1368 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
1371 vha->device_flags |= DFLG_NO_CABLE;
1372 qla2x00_mark_all_devices_lost(vha);
1376 atomic_set(&vha->vp_state, VP_FAILED);
1377 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1380 vha->flags.management_server_logged_in = 0;
1381 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1382 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1385 case MBA_LIP_RESET: /* LIP reset occurred */
1386 ql_dbg(ql_dbg_async, vha, 0x500c,
1387 "LIP reset occurred (%x).\n", mb[1]);
1389 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1390 atomic_set(&vha->loop_state, LOOP_DOWN);
1391 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1392 qla2x00_mark_all_devices_lost(vha);
1396 atomic_set(&vha->vp_state, VP_FAILED);
1397 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1400 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1402 ha->operating_mode = LOOP;
1403 vha->flags.management_server_logged_in = 0;
1404 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1407 /* case MBA_DCBX_COMPLETE: */
1408 case MBA_POINT_TO_POINT: /* Point-to-Point */
1409 ha->flags.lip_ae = 0;
1414 if (IS_CNA_CAPABLE(ha)) {
1415 ql_dbg(ql_dbg_async, vha, 0x500d,
1416 "DCBX Completed -- %04x %04x %04x.\n",
1417 mb[1], mb[2], mb[3]);
1418 if (ha->notify_dcbx_comp && !vha->vp_idx)
1419 complete(&ha->dcbx_comp);
1422 ql_dbg(ql_dbg_async, vha, 0x500e,
1423 "Asynchronous P2P MODE received.\n");
1426 * Until there's a transition from loop down to loop up, treat
1427 * this as loop down only.
1429 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1430 atomic_set(&vha->loop_state, LOOP_DOWN);
1431 if (!atomic_read(&vha->loop_down_timer))
1432 atomic_set(&vha->loop_down_timer,
1435 qla2x00_mark_all_devices_lost(vha);
1439 atomic_set(&vha->vp_state, VP_FAILED);
1440 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1443 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
1444 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1446 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
1447 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1449 vha->flags.management_server_logged_in = 0;
1452 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
1456 ql_dbg(ql_dbg_async, vha, 0x500f,
1457 "Configuration change detected: value=%x.\n", mb[1]);
1459 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1460 atomic_set(&vha->loop_state, LOOP_DOWN);
1461 if (!atomic_read(&vha->loop_down_timer))
1462 atomic_set(&vha->loop_down_timer,
1464 qla2x00_mark_all_devices_lost(vha);
1468 atomic_set(&vha->vp_state, VP_FAILED);
1469 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
1472 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1473 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1476 case MBA_PORT_UPDATE: /* Port database update */
1478 * Handle only global and vn-port update events
1481 * mb[1] = N_Port handle of changed port
1482 * OR 0xffff for global event
1483 * mb[2] = New login state
1484 * 7 = Port logged out
1485 * mb[3] = LSB is vp_idx, 0xff = all vps
1487 * Skip processing if:
1488 * Event is global, vp_idx is NOT all vps,
1489 * vp_idx does not match
1490 * Event is not global, vp_idx does not match
1492 if (IS_QLA2XXX_MIDTYPE(ha) &&
1493 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
1494 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
1498 ql_dbg(ql_dbg_async, vha, 0x5010,
1499 "Port %s %04x %04x %04x.\n",
1500 mb[1] == 0xffff ? "unavailable" : "logout",
1501 mb[1], mb[2], mb[3]);
1503 if (mb[1] == 0xffff)
1504 goto global_port_update;
1506 if (mb[1] == NPH_SNS_LID(ha)) {
1507 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1508 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1512 /* use handle_cnt for loop id/nport handle */
1513 if (IS_FWI2_CAPABLE(ha))
1514 handle_cnt = NPH_SNS;
1516 handle_cnt = SIMPLE_NAME_SERVER;
1517 if (mb[1] == handle_cnt) {
1518 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1519 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1524 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1527 if (atomic_read(&fcport->state) != FCS_ONLINE)
1529 ql_dbg(ql_dbg_async, vha, 0x508a,
1530 "Marking port lost loopid=%04x portid=%06x.\n",
1531 fcport->loop_id, fcport->d_id.b24);
1532 if (qla_ini_mode_enabled(vha)) {
1533 fcport->logout_on_delete = 0;
1534 qlt_schedule_sess_for_deletion(fcport);
1539 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1540 atomic_set(&vha->loop_state, LOOP_DOWN);
1541 atomic_set(&vha->loop_down_timer,
1543 vha->device_flags |= DFLG_NO_CABLE;
1544 qla2x00_mark_all_devices_lost(vha);
1548 atomic_set(&vha->vp_state, VP_FAILED);
1549 fc_vport_set_state(vha->fc_vport,
1551 qla2x00_mark_all_devices_lost(vha);
1554 vha->flags.management_server_logged_in = 0;
1555 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1560 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1561 * event etc. earlier indicating loop is down) then process
1562 * it. Otherwise ignore it and Wait for RSCN to come in.
1564 atomic_set(&vha->loop_down_timer, 0);
1565 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1566 !ha->flags.n2n_ae &&
1567 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1568 ql_dbg(ql_dbg_async, vha, 0x5011,
1569 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1570 mb[1], mb[2], mb[3]);
1574 ql_dbg(ql_dbg_async, vha, 0x5012,
1575 "Port database changed %04x %04x %04x.\n",
1576 mb[1], mb[2], mb[3]);
1579 * Mark all devices as missing so we will login again.
1581 atomic_set(&vha->loop_state, LOOP_UP);
1582 vha->scan.scan_retry = 0;
1584 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1585 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1586 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1589 case MBA_RSCN_UPDATE: /* State Change Registration */
1590 /* Check if the Vport has issued a SCR */
1591 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1593 /* Only handle SCNs for our Vport index. */
1594 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1597 ql_log(ql_log_warn, vha, 0x5013,
1598 "RSCN database changed -- %04x %04x %04x.\n",
1599 mb[1], mb[2], mb[3]);
1601 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1602 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1603 | vha->d_id.b.al_pa;
1604 if (rscn_entry == host_pid) {
1605 ql_dbg(ql_dbg_async, vha, 0x5014,
1606 "Ignoring RSCN update to local host "
1607 "port ID (%06x).\n", host_pid);
1611 /* Ignore reserved bits from RSCN-payload. */
1612 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1614 /* Skip RSCNs for virtual ports on the same physical port */
1615 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1618 atomic_set(&vha->loop_down_timer, 0);
1619 vha->flags.management_server_logged_in = 0;
1621 struct event_arg ea;
1623 memset(&ea, 0, sizeof(ea));
1624 ea.id.b24 = rscn_entry;
1625 ea.id.b.rsvd_1 = rscn_entry >> 24;
1626 qla2x00_handle_rscn(vha, &ea);
1627 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1630 case MBA_CONGN_NOTI_RECV:
1631 if (!ha->flags.scm_enabled ||
1632 mb[1] != QLA_CON_PRIMITIVE_RECEIVED)
1635 if (mb[2] == QLA_CONGESTION_ARB_WARNING) {
1636 ql_dbg(ql_dbg_async, vha, 0x509b,
1637 "Congestion Warning %04x %04x.\n", mb[1], mb[2]);
1638 } else if (mb[2] == QLA_CONGESTION_ARB_ALARM) {
1639 ql_log(ql_log_warn, vha, 0x509b,
1640 "Congestion Alarm %04x %04x.\n", mb[1], mb[2]);
1643 /* case MBA_RIO_RESPONSE: */
1644 case MBA_ZIO_RESPONSE:
1645 ql_dbg(ql_dbg_async, vha, 0x5015,
1646 "[R|Z]IO update completion.\n");
1648 if (IS_FWI2_CAPABLE(ha))
1649 qla24xx_process_response_queue(vha, rsp);
1651 qla2x00_process_response_queue(rsp);
1654 case MBA_DISCARD_RND_FRAME:
1655 ql_dbg(ql_dbg_async, vha, 0x5016,
1656 "Discard RND Frame -- %04x %04x %04x.\n",
1657 mb[1], mb[2], mb[3]);
1658 vha->interface_err_cnt++;
1661 case MBA_TRACE_NOTIFICATION:
1662 ql_dbg(ql_dbg_async, vha, 0x5017,
1663 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1666 case MBA_ISP84XX_ALERT:
1667 ql_dbg(ql_dbg_async, vha, 0x5018,
1668 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1669 mb[1], mb[2], mb[3]);
1671 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1673 case A84_PANIC_RECOVERY:
1674 ql_log(ql_log_info, vha, 0x5019,
1675 "Alert 84XX: panic recovery %04x %04x.\n",
1678 case A84_OP_LOGIN_COMPLETE:
1679 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1680 ql_log(ql_log_info, vha, 0x501a,
1681 "Alert 84XX: firmware version %x.\n",
1682 ha->cs84xx->op_fw_version);
1684 case A84_DIAG_LOGIN_COMPLETE:
1685 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1686 ql_log(ql_log_info, vha, 0x501b,
1687 "Alert 84XX: diagnostic firmware version %x.\n",
1688 ha->cs84xx->diag_fw_version);
1690 case A84_GOLD_LOGIN_COMPLETE:
1691 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1692 ha->cs84xx->fw_update = 1;
1693 ql_log(ql_log_info, vha, 0x501c,
1694 "Alert 84XX: gold firmware version %x.\n",
1695 ha->cs84xx->gold_fw_version);
1698 ql_log(ql_log_warn, vha, 0x501d,
1699 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1700 mb[1], mb[2], mb[3]);
1702 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1704 case MBA_DCBX_START:
1705 ql_dbg(ql_dbg_async, vha, 0x501e,
1706 "DCBX Started -- %04x %04x %04x.\n",
1707 mb[1], mb[2], mb[3]);
1709 case MBA_DCBX_PARAM_UPDATE:
1710 ql_dbg(ql_dbg_async, vha, 0x501f,
1711 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1712 mb[1], mb[2], mb[3]);
1714 case MBA_FCF_CONF_ERR:
1715 ql_dbg(ql_dbg_async, vha, 0x5020,
1716 "FCF Configuration Error -- %04x %04x %04x.\n",
1717 mb[1], mb[2], mb[3]);
1719 case MBA_IDC_NOTIFY:
1720 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1721 mb[4] = rd_reg_word(®24->mailbox4);
1722 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1723 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1724 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1725 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1727 * Extend loop down timer since port is active.
1729 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1730 atomic_set(&vha->loop_down_timer,
1732 qla2xxx_wake_dpc(vha);
1736 case MBA_IDC_COMPLETE:
1737 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1738 complete(&ha->lb_portup_comp);
1740 case MBA_IDC_TIME_EXT:
1741 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1743 qla81xx_idc_event(vha, mb[0], mb[1]);
1747 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1749 qla27xx_handle_8200_aen(vha, mb);
1750 } else if (IS_QLA83XX(ha)) {
1751 mb[4] = rd_reg_word(®24->mailbox4);
1752 mb[5] = rd_reg_word(®24->mailbox5);
1753 mb[6] = rd_reg_word(®24->mailbox6);
1754 mb[7] = rd_reg_word(®24->mailbox7);
1755 qla83xx_handle_8200_aen(vha, mb);
1757 ql_dbg(ql_dbg_async, vha, 0x5052,
1758 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n",
1759 mb[0], mb[1], mb[2], mb[3]);
1763 case MBA_DPORT_DIAGNOSTICS:
1764 ql_dbg(ql_dbg_async, vha, 0x5052,
1765 "D-Port Diagnostics: %04x %04x %04x %04x\n",
1766 mb[0], mb[1], mb[2], mb[3]);
1767 memcpy(vha->dport_data, mb, sizeof(vha->dport_data));
1768 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
1769 static char *results[] = {
1770 "start", "done(pass)", "done(error)", "undefined" };
1771 static char *types[] = {
1772 "none", "dynamic", "static", "other" };
1773 uint result = mb[1] >> 0 & 0x3;
1774 uint type = mb[1] >> 6 & 0x3;
1775 uint sw = mb[1] >> 15 & 0x1;
1776 ql_dbg(ql_dbg_async, vha, 0x5052,
1777 "D-Port Diagnostics: result=%s type=%s [sw=%u]\n",
1778 results[result], types[type], sw);
1780 static char *reasons[] = {
1781 "reserved", "unexpected reject",
1782 "unexpected phase", "retry exceeded",
1783 "timed out", "not supported",
1785 uint reason = mb[2] >> 0 & 0xf;
1786 uint phase = mb[2] >> 12 & 0xf;
1787 ql_dbg(ql_dbg_async, vha, 0x5052,
1788 "D-Port Diagnostics: reason=%s phase=%u \n",
1789 reason < 7 ? reasons[reason] : "other",
1795 case MBA_TEMPERATURE_ALERT:
1796 ql_dbg(ql_dbg_async, vha, 0x505e,
1797 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1800 case MBA_TRANS_INSERT:
1801 ql_dbg(ql_dbg_async, vha, 0x5091,
1802 "Transceiver Insertion: %04x\n", mb[1]);
1803 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
1806 case MBA_TRANS_REMOVE:
1807 ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n");
1811 ql_dbg(ql_dbg_async, vha, 0x5057,
1812 "Unknown AEN:%04x %04x %04x %04x\n",
1813 mb[0], mb[1], mb[2], mb[3]);
1816 qlt_async_event(mb[0], vha, mb);
1818 if (!vha->vp_idx && ha->num_vhosts)
1819 qla2x00_alert_all_vps(rsp, mb);
1823 * qla2x00_process_completed_request() - Process a Fast Post response.
1824 * @vha: SCSI driver HA context
1825 * @req: request queue
1829 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1830 struct req_que *req, uint32_t index)
1833 struct qla_hw_data *ha = vha->hw;
1835 /* Validate handle. */
1836 if (index >= req->num_outstanding_cmds) {
1837 ql_log(ql_log_warn, vha, 0x3014,
1838 "Invalid SCSI command index (%x).\n", index);
1840 if (IS_P3P_TYPE(ha))
1841 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1843 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1847 sp = req->outstanding_cmds[index];
1849 /* Free outstanding command slot. */
1850 req->outstanding_cmds[index] = NULL;
1852 /* Save ISP completion status */
1853 sp->done(sp, DID_OK << 16);
1855 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1857 if (IS_P3P_TYPE(ha))
1858 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1860 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1865 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1866 struct req_que *req, void *iocb)
1868 struct qla_hw_data *ha = vha->hw;
1869 sts_entry_t *pkt = iocb;
1873 if (pkt->handle == QLA_SKIP_HANDLE)
1876 index = LSW(pkt->handle);
1877 if (index >= req->num_outstanding_cmds) {
1878 ql_log(ql_log_warn, vha, 0x5031,
1879 "%s: Invalid command index (%x) type %8ph.\n",
1881 if (IS_P3P_TYPE(ha))
1882 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1884 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1887 sp = req->outstanding_cmds[index];
1889 ql_log(ql_log_warn, vha, 0x5032,
1890 "%s: Invalid completion handle (%x) -- timed-out.\n",
1894 if (sp->handle != index) {
1895 ql_log(ql_log_warn, vha, 0x5033,
1896 "%s: SRB handle (%x) mismatch %x.\n", func,
1901 req->outstanding_cmds[index] = NULL;
1906 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1907 struct mbx_entry *mbx)
1909 const char func[] = "MBX-IOCB";
1913 struct srb_iocb *lio;
1917 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1921 lio = &sp->u.iocb_cmd;
1923 fcport = sp->fcport;
1924 data = lio->u.logio.data;
1926 data[0] = MBS_COMMAND_ERROR;
1927 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1928 QLA_LOGIO_LOGIN_RETRIED : 0;
1929 if (mbx->entry_status) {
1930 ql_dbg(ql_dbg_async, vha, 0x5043,
1931 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1932 "entry-status=%x status=%x state-flag=%x "
1933 "status-flags=%x.\n", type, sp->handle,
1934 fcport->d_id.b.domain, fcport->d_id.b.area,
1935 fcport->d_id.b.al_pa, mbx->entry_status,
1936 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1937 le16_to_cpu(mbx->status_flags));
1939 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1945 status = le16_to_cpu(mbx->status);
1946 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1947 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1949 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1950 ql_dbg(ql_dbg_async, vha, 0x5045,
1951 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1952 type, sp->handle, fcport->d_id.b.domain,
1953 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1954 le16_to_cpu(mbx->mb1));
1956 data[0] = MBS_COMMAND_COMPLETE;
1957 if (sp->type == SRB_LOGIN_CMD) {
1958 fcport->port_type = FCT_TARGET;
1959 if (le16_to_cpu(mbx->mb1) & BIT_0)
1960 fcport->port_type = FCT_INITIATOR;
1961 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1962 fcport->flags |= FCF_FCP2_DEVICE;
1967 data[0] = le16_to_cpu(mbx->mb0);
1969 case MBS_PORT_ID_USED:
1970 data[1] = le16_to_cpu(mbx->mb1);
1972 case MBS_LOOP_ID_USED:
1975 data[0] = MBS_COMMAND_ERROR;
1979 ql_log(ql_log_warn, vha, 0x5046,
1980 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1981 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1982 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1983 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1984 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1985 le16_to_cpu(mbx->mb7));
1992 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1993 struct mbx_24xx_entry *pkt)
1995 const char func[] = "MBX-IOCB2";
1996 struct qla_hw_data *ha = vha->hw;
1998 struct srb_iocb *si;
2002 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2006 if (sp->type == SRB_SCSI_CMD ||
2007 sp->type == SRB_NVME_CMD ||
2008 sp->type == SRB_TM_CMD) {
2009 ql_log(ql_log_warn, vha, 0x509d,
2010 "Inconsistent event entry type %d\n", sp->type);
2011 if (IS_P3P_TYPE(ha))
2012 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2014 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2018 si = &sp->u.iocb_cmd;
2019 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
2021 for (i = 0; i < sz; i++)
2022 si->u.mbx.in_mb[i] = pkt->mb[i];
2024 res = (si->u.mbx.in_mb[0] & MBS_MASK);
2030 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2031 struct nack_to_isp *pkt)
2033 const char func[] = "nack";
2037 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2041 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
2042 res = QLA_FUNCTION_FAILED;
2048 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
2049 sts_entry_t *pkt, int iocb_type)
2051 const char func[] = "CT_IOCB";
2054 struct bsg_job *bsg_job;
2055 struct fc_bsg_reply *bsg_reply;
2056 uint16_t comp_status;
2059 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2065 bsg_job = sp->u.bsg_job;
2066 bsg_reply = bsg_job->reply;
2068 type = "ct pass-through";
2070 comp_status = le16_to_cpu(pkt->comp_status);
2073 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2074 * fc payload to the caller
2076 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2077 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2079 if (comp_status != CS_COMPLETE) {
2080 if (comp_status == CS_DATA_UNDERRUN) {
2082 bsg_reply->reply_payload_rcv_len =
2083 le16_to_cpu(pkt->rsp_info_len);
2085 ql_log(ql_log_warn, vha, 0x5048,
2086 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
2088 bsg_reply->reply_payload_rcv_len);
2090 ql_log(ql_log_warn, vha, 0x5049,
2091 "CT pass-through-%s error comp_status=0x%x.\n",
2093 res = DID_ERROR << 16;
2094 bsg_reply->reply_payload_rcv_len = 0;
2096 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
2100 bsg_reply->reply_payload_rcv_len =
2101 bsg_job->reply_payload.payload_len;
2102 bsg_job->reply_len = 0;
2105 case SRB_CT_PTHRU_CMD:
2107 * borrowing sts_entry_24xx.comp_status.
2108 * same location as ct_entry_24xx.comp_status
2110 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
2111 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2120 qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req,
2121 struct sts_entry_24xx *pkt, int iocb_type)
2123 struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt;
2124 const char func[] = "ELS_CT_IOCB";
2127 struct bsg_job *bsg_job;
2128 struct fc_bsg_reply *bsg_reply;
2129 uint16_t comp_status;
2130 uint32_t fw_status[3];
2132 struct srb_iocb *els;
2134 scsi_qla_host_t *vha;
2135 struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt;
2137 sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
2140 bsg_job = sp->u.bsg_job;
2145 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
2146 fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
2147 fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
2150 case SRB_ELS_CMD_RPT:
2151 case SRB_ELS_CMD_HST:
2154 case SRB_ELS_CMD_HST_NOLOGIN:
2157 struct els_entry_24xx *els = (void *)pkt;
2158 struct qla_bsg_auth_els_request *p =
2159 (struct qla_bsg_auth_els_request *)bsg_job->request;
2161 ql_dbg(ql_dbg_user, vha, 0x700f,
2162 "%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n",
2163 __func__, sc_to_str(p->e.sub_cmd),
2164 e->d_id[2], e->d_id[1], e->d_id[0],
2165 comp_status, p->e.extra_rx_xchg_address, bsg_job);
2167 if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) {
2168 if (sp->remap.remapped) {
2169 n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
2170 bsg_job->reply_payload.sg_cnt,
2173 ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e,
2174 "%s: SG copied %x of %x\n",
2175 __func__, n, sp->remap.rsp.len);
2177 ql_dbg(ql_dbg_user, vha, 0x700f,
2178 "%s: NOT REMAPPED (error)...!!!\n",
2185 type = "ct pass-through";
2188 type = "Driver ELS logo";
2189 if (iocb_type != ELS_IOCB_TYPE) {
2190 ql_dbg(ql_dbg_user, vha, 0x5047,
2191 "Completing %s: (%p) type=%d.\n",
2192 type, sp, sp->type);
2197 case SRB_CT_PTHRU_CMD:
2198 /* borrowing sts_entry_24xx.comp_status.
2199 same location as ct_entry_24xx.comp_status
2201 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
2202 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
2207 ql_dbg(ql_dbg_user, vha, 0x503e,
2208 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
2212 if (iocb_type == ELS_IOCB_TYPE) {
2213 els = &sp->u.iocb_cmd;
2214 els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]);
2215 els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]);
2216 els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]);
2217 els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]);
2218 if (comp_status == CS_COMPLETE) {
2221 if (comp_status == CS_DATA_UNDERRUN) {
2223 els->u.els_plogi.len = cpu_to_le16(le32_to_cpu(
2224 ese->total_byte_count));
2226 if (sp->remap.remapped &&
2227 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) {
2228 ql_dbg(ql_dbg_user, vha, 0x503f,
2229 "%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x",
2230 __func__, e->s_id[0], e->s_id[2], e->s_id[1],
2231 e->d_id[2], e->d_id[1], e->d_id[0]);
2235 } else if (comp_status == CS_PORT_LOGGED_OUT) {
2236 ql_dbg(ql_dbg_disc, vha, 0x911e,
2237 "%s %d schedule session deletion\n",
2238 __func__, __LINE__);
2240 els->u.els_plogi.len = 0;
2241 res = DID_IMM_RETRY << 16;
2242 qlt_schedule_sess_for_deletion(sp->fcport);
2244 els->u.els_plogi.len = 0;
2245 res = DID_ERROR << 16;
2249 if (sp->remap.remapped &&
2250 ((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) {
2251 ql_dbg(ql_dbg_user, vha, 0x503f,
2252 "%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n",
2253 type, sp->handle, comp_status);
2255 ql_dbg(ql_dbg_user, vha, 0x503f,
2256 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2257 fw_status[1], fw_status[2],
2258 le32_to_cpu(((struct els_sts_entry_24xx *)
2259 pkt)->total_byte_count),
2260 e->s_id[0], e->s_id[2], e->s_id[1],
2261 e->d_id[2], e->d_id[1], e->d_id[0]);
2263 ql_log(ql_log_info, vha, 0x503f,
2264 "%s IOCB Done hdl=%x comp_status=0x%x\n",
2265 type, sp->handle, comp_status);
2266 ql_log(ql_log_info, vha, 0x503f,
2267 "subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
2268 fw_status[1], fw_status[2],
2269 le32_to_cpu(((struct els_sts_entry_24xx *)
2270 pkt)->total_byte_count),
2271 e->s_id[0], e->s_id[2], e->s_id[1],
2272 e->d_id[2], e->d_id[1], e->d_id[0]);
2279 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
2280 * fc payload to the caller
2282 bsg_job = sp->u.bsg_job;
2283 bsg_reply = bsg_job->reply;
2284 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
2285 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
2287 if (comp_status != CS_COMPLETE) {
2288 if (comp_status == CS_DATA_UNDERRUN) {
2290 bsg_reply->reply_payload_rcv_len =
2291 le32_to_cpu(ese->total_byte_count);
2293 ql_dbg(ql_dbg_user, vha, 0x503f,
2294 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2295 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
2296 type, sp->handle, comp_status, fw_status[1], fw_status[2],
2297 le32_to_cpu(ese->total_byte_count));
2299 ql_dbg(ql_dbg_user, vha, 0x5040,
2300 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
2301 "error subcode 1=0x%x error subcode 2=0x%x.\n",
2302 type, sp->handle, comp_status,
2303 le32_to_cpu(ese->error_subcode_1),
2304 le32_to_cpu(ese->error_subcode_2));
2305 res = DID_ERROR << 16;
2306 bsg_reply->reply_payload_rcv_len = 0;
2308 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
2309 fw_status, sizeof(fw_status));
2310 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
2315 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
2316 bsg_job->reply_len = 0;
2324 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
2325 struct logio_entry_24xx *logio)
2327 const char func[] = "LOGIO-IOCB";
2331 struct srb_iocb *lio;
2336 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
2340 lio = &sp->u.iocb_cmd;
2342 fcport = sp->fcport;
2343 data = lio->u.logio.data;
2345 data[0] = MBS_COMMAND_ERROR;
2346 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
2347 QLA_LOGIO_LOGIN_RETRIED : 0;
2348 if (logio->entry_status) {
2349 ql_log(ql_log_warn, fcport->vha, 0x5034,
2350 "Async-%s error entry - %8phC hdl=%x"
2351 "portid=%02x%02x%02x entry-status=%x.\n",
2352 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
2353 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2354 logio->entry_status);
2355 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
2356 logio, sizeof(*logio));
2361 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
2362 ql_dbg(ql_dbg_async, sp->vha, 0x5036,
2363 "Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n",
2364 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2365 le32_to_cpu(logio->io_parameter[0]));
2367 vha->hw->exch_starvation = 0;
2368 data[0] = MBS_COMMAND_COMPLETE;
2370 if (sp->type == SRB_PRLI_CMD) {
2371 lio->u.logio.iop[0] =
2372 le32_to_cpu(logio->io_parameter[0]);
2373 lio->u.logio.iop[1] =
2374 le32_to_cpu(logio->io_parameter[1]);
2378 if (sp->type != SRB_LOGIN_CMD)
2381 lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]);
2382 if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP)
2383 fcport->flags |= FCF_FCSP_DEVICE;
2385 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2386 if (iop[0] & BIT_4) {
2387 fcport->port_type = FCT_TARGET;
2389 fcport->flags |= FCF_FCP2_DEVICE;
2390 } else if (iop[0] & BIT_5)
2391 fcport->port_type = FCT_INITIATOR;
2394 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
2396 if (logio->io_parameter[7] || logio->io_parameter[8])
2397 fcport->supported_classes |= FC_COS_CLASS2;
2398 if (logio->io_parameter[9] || logio->io_parameter[10])
2399 fcport->supported_classes |= FC_COS_CLASS3;
2404 iop[0] = le32_to_cpu(logio->io_parameter[0]);
2405 iop[1] = le32_to_cpu(logio->io_parameter[1]);
2406 lio->u.logio.iop[0] = iop[0];
2407 lio->u.logio.iop[1] = iop[1];
2409 case LSC_SCODE_PORTID_USED:
2410 data[0] = MBS_PORT_ID_USED;
2411 data[1] = LSW(iop[1]);
2414 case LSC_SCODE_NPORT_USED:
2415 data[0] = MBS_LOOP_ID_USED;
2418 case LSC_SCODE_CMD_FAILED:
2419 if (iop[1] == 0x0606) {
2421 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
2422 * Target side acked.
2424 data[0] = MBS_COMMAND_COMPLETE;
2427 data[0] = MBS_COMMAND_ERROR;
2429 case LSC_SCODE_NOXCB:
2430 vha->hw->exch_starvation++;
2431 if (vha->hw->exch_starvation > 5) {
2432 ql_log(ql_log_warn, vha, 0xd046,
2433 "Exchange starvation. Resetting RISC\n");
2435 vha->hw->exch_starvation = 0;
2437 if (IS_P3P_TYPE(vha->hw))
2438 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2440 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2441 qla2xxx_wake_dpc(vha);
2445 data[0] = MBS_COMMAND_ERROR;
2450 ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: "
2451 "handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
2452 type, sp->handle, fcport->d_id.b24, fcport->port_name,
2453 le16_to_cpu(logio->comp_status),
2454 le32_to_cpu(logio->io_parameter[0]),
2455 le32_to_cpu(logio->io_parameter[1]));
2457 ql_dbg(ql_dbg_disc, 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]));
2469 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
2471 const char func[] = "TMF-IOCB";
2475 struct srb_iocb *iocb;
2476 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2479 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
2483 comp_status = le16_to_cpu(sts->comp_status);
2484 iocb = &sp->u.iocb_cmd;
2486 fcport = sp->fcport;
2487 iocb->u.tmf.data = QLA_SUCCESS;
2489 if (sts->entry_status) {
2490 ql_log(ql_log_warn, fcport->vha, 0x5038,
2491 "Async-%s error - hdl=%x entry-status(%x).\n",
2492 type, sp->handle, sts->entry_status);
2493 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2494 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
2495 ql_log(ql_log_warn, fcport->vha, 0x5039,
2496 "Async-%s error - hdl=%x completion status(%x).\n",
2497 type, sp->handle, comp_status);
2498 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2499 } else if ((le16_to_cpu(sts->scsi_status) &
2500 SS_RESPONSE_INFO_LEN_VALID)) {
2501 host_to_fcp_swap(sts->data, sizeof(sts->data));
2502 if (le32_to_cpu(sts->rsp_data_len) < 4) {
2503 ql_log(ql_log_warn, fcport->vha, 0x503b,
2504 "Async-%s error - hdl=%x not enough response(%d).\n",
2505 type, sp->handle, sts->rsp_data_len);
2506 } else if (sts->data[3]) {
2507 ql_log(ql_log_warn, fcport->vha, 0x503c,
2508 "Async-%s error - hdl=%x response(%x).\n",
2509 type, sp->handle, sts->data[3]);
2510 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
2514 switch (comp_status) {
2515 case CS_PORT_LOGGED_OUT:
2516 case CS_PORT_CONFIG_CHG:
2519 case CS_PORT_UNAVAILABLE:
2522 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2523 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2524 "-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n",
2525 fcport->d_id.b.domain, fcport->d_id.b.area,
2526 fcport->d_id.b.al_pa,
2527 port_state_str[FCS_ONLINE],
2530 qlt_schedule_sess_for_deletion(fcport);
2538 if (iocb->u.tmf.data != QLA_SUCCESS)
2539 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
2545 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2546 void *tsk, srb_t *sp)
2549 struct srb_iocb *iocb;
2550 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
2551 uint16_t state_flags;
2552 struct nvmefc_fcp_req *fd;
2553 uint16_t ret = QLA_SUCCESS;
2554 __le16 comp_status = sts->comp_status;
2557 iocb = &sp->u.iocb_cmd;
2558 fcport = sp->fcport;
2559 iocb->u.nvme.comp_status = comp_status;
2560 state_flags = le16_to_cpu(sts->state_flags);
2561 fd = iocb->u.nvme.desc;
2563 if (unlikely(iocb->u.nvme.aen_op))
2564 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
2566 sp->qpair->cmd_completion_cnt++;
2568 if (unlikely(comp_status != CS_COMPLETE))
2571 fd->transferred_length = fd->payload_length -
2572 le32_to_cpu(sts->residual_len);
2575 * State flags: Bit 6 and 0.
2576 * If 0 is set, we don't care about 6.
2577 * both cases resp was dma'd to host buffer
2578 * if both are 0, that is good path case.
2579 * if six is set and 0 is clear, we need to
2580 * copy resp data from status iocb to resp buffer.
2582 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
2583 iocb->u.nvme.rsp_pyld_len = 0;
2584 } else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) ==
2585 (SF_FCP_RSP_DMA | SF_NVME_ERSP)) {
2586 /* Response already DMA'd to fd->rspaddr. */
2587 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2588 } else if ((state_flags & SF_FCP_RSP_DMA)) {
2590 * Non-zero value in first 12 bytes of NVMe_RSP IU, treat this
2593 iocb->u.nvme.rsp_pyld_len = 0;
2594 fd->transferred_length = 0;
2595 ql_dbg(ql_dbg_io, fcport->vha, 0x307a,
2596 "Unexpected values in NVMe_RSP IU.\n");
2598 } else if (state_flags & SF_NVME_ERSP) {
2599 uint32_t *inbuf, *outbuf;
2602 inbuf = (uint32_t *)&sts->nvme_ersp_data;
2603 outbuf = (uint32_t *)fd->rspaddr;
2604 iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
2605 if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >
2606 sizeof(struct nvme_fc_ersp_iu))) {
2607 if (ql_mask_match(ql_dbg_io)) {
2608 WARN_ONCE(1, "Unexpected response payload length %u.\n",
2609 iocb->u.nvme.rsp_pyld_len);
2610 ql_log(ql_log_warn, fcport->vha, 0x5100,
2611 "Unexpected response payload length %u.\n",
2612 iocb->u.nvme.rsp_pyld_len);
2614 iocb->u.nvme.rsp_pyld_len =
2615 cpu_to_le16(sizeof(struct nvme_fc_ersp_iu));
2617 iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2;
2618 for (; iter; iter--)
2619 *outbuf++ = swab32(*inbuf++);
2622 if (state_flags & SF_NVME_ERSP) {
2623 struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr;
2626 tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len);
2627 if (fd->transferred_length != tgt_xfer_len) {
2628 ql_log(ql_log_warn, fcport->vha, 0x3079,
2629 "Dropped frame(s) detected (sent/rcvd=%u/%u).\n",
2630 tgt_xfer_len, fd->transferred_length);
2632 } else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) {
2634 * Do not log if this is just an underflow and there
2641 if (unlikely(logit))
2642 ql_log(ql_dbg_io, fcport->vha, 0x5060,
2643 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
2644 sp->name, sp->handle, comp_status,
2645 fd->transferred_length, le32_to_cpu(sts->residual_len),
2649 * If transport error then Failure (HBA rejects request)
2650 * otherwise transport will handle.
2652 switch (le16_to_cpu(comp_status)) {
2657 case CS_PORT_UNAVAILABLE:
2658 case CS_PORT_LOGGED_OUT:
2659 fcport->nvme_flag |= NVME_FLAG_RESETTING;
2660 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2661 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2662 "Port to be marked lost on fcport=%06x, current "
2663 "port state= %s comp_status %x.\n",
2664 fcport->d_id.b24, port_state_str[FCS_ONLINE],
2667 qlt_schedule_sess_for_deletion(fcport);
2672 fd->transferred_length = 0;
2673 iocb->u.nvme.rsp_pyld_len = 0;
2676 case CS_DATA_UNDERRUN:
2679 ret = QLA_FUNCTION_FAILED;
2685 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
2686 struct vp_ctrl_entry_24xx *vce)
2688 const char func[] = "CTRLVP-IOCB";
2690 int rval = QLA_SUCCESS;
2692 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
2696 if (vce->entry_status != 0) {
2697 ql_dbg(ql_dbg_vport, vha, 0x10c4,
2698 "%s: Failed to complete IOCB -- error status (%x)\n",
2699 sp->name, vce->entry_status);
2700 rval = QLA_FUNCTION_FAILED;
2701 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
2702 ql_dbg(ql_dbg_vport, vha, 0x10c5,
2703 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
2704 sp->name, le16_to_cpu(vce->comp_status),
2705 le16_to_cpu(vce->vp_idx_failed));
2706 rval = QLA_FUNCTION_FAILED;
2708 ql_dbg(ql_dbg_vport, vha, 0x10c6,
2709 "Done %s.\n", __func__);
2716 /* Process a single response queue entry. */
2717 static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
2718 struct rsp_que *rsp,
2721 sts21_entry_t *sts21_entry;
2722 sts22_entry_t *sts22_entry;
2723 uint16_t handle_cnt;
2726 switch (pkt->entry_type) {
2728 qla2x00_status_entry(vha, rsp, pkt);
2730 case STATUS_TYPE_21:
2731 sts21_entry = (sts21_entry_t *)pkt;
2732 handle_cnt = sts21_entry->handle_count;
2733 for (cnt = 0; cnt < handle_cnt; cnt++)
2734 qla2x00_process_completed_request(vha, rsp->req,
2735 sts21_entry->handle[cnt]);
2737 case STATUS_TYPE_22:
2738 sts22_entry = (sts22_entry_t *)pkt;
2739 handle_cnt = sts22_entry->handle_count;
2740 for (cnt = 0; cnt < handle_cnt; cnt++)
2741 qla2x00_process_completed_request(vha, rsp->req,
2742 sts22_entry->handle[cnt]);
2744 case STATUS_CONT_TYPE:
2745 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2748 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
2751 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2754 /* Type Not Supported. */
2755 ql_log(ql_log_warn, vha, 0x504a,
2756 "Received unknown response pkt type %x entry status=%x.\n",
2757 pkt->entry_type, pkt->entry_status);
2763 * qla2x00_process_response_queue() - Process response queue entries.
2764 * @rsp: response queue
2767 qla2x00_process_response_queue(struct rsp_que *rsp)
2769 struct scsi_qla_host *vha;
2770 struct qla_hw_data *ha = rsp->hw;
2771 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2774 vha = pci_get_drvdata(ha->pdev);
2776 if (!vha->flags.online)
2779 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2780 pkt = (sts_entry_t *)rsp->ring_ptr;
2783 if (rsp->ring_index == rsp->length) {
2784 rsp->ring_index = 0;
2785 rsp->ring_ptr = rsp->ring;
2790 if (pkt->entry_status != 0) {
2791 qla2x00_error_entry(vha, rsp, pkt);
2792 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2797 qla2x00_process_response_entry(vha, rsp, pkt);
2798 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2802 /* Adjust ring index */
2803 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2807 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2808 uint32_t sense_len, struct rsp_que *rsp, int res)
2810 struct scsi_qla_host *vha = sp->vha;
2811 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2812 uint32_t track_sense_len;
2814 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2815 sense_len = SCSI_SENSE_BUFFERSIZE;
2817 SET_CMD_SENSE_LEN(sp, sense_len);
2818 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2819 track_sense_len = sense_len;
2821 if (sense_len > par_sense_len)
2822 sense_len = par_sense_len;
2824 memcpy(cp->sense_buffer, sense_data, sense_len);
2826 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2827 track_sense_len -= sense_len;
2828 SET_CMD_SENSE_LEN(sp, track_sense_len);
2830 if (track_sense_len != 0) {
2831 rsp->status_srb = sp;
2836 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2837 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2838 sp->vha->host_no, cp->device->id, cp->device->lun,
2840 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2841 cp->sense_buffer, sense_len);
2845 struct scsi_dif_tuple {
2846 __be16 guard; /* Checksum */
2847 __be16 app_tag; /* APPL identifier */
2848 __be32 ref_tag; /* Target LBA or indirect LBA */
2852 * Checks the guard or meta-data for the type of error
2853 * detected by the HBA. In case of errors, we set the
2854 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2855 * to indicate to the kernel that the HBA detected error.
2858 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2860 struct scsi_qla_host *vha = sp->vha;
2861 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2862 uint8_t *ap = &sts24->data[12];
2863 uint8_t *ep = &sts24->data[20];
2864 uint32_t e_ref_tag, a_ref_tag;
2865 uint16_t e_app_tag, a_app_tag;
2866 uint16_t e_guard, a_guard;
2869 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2870 * would make guard field appear at offset 2
2872 a_guard = get_unaligned_le16(ap + 2);
2873 a_app_tag = get_unaligned_le16(ap + 0);
2874 a_ref_tag = get_unaligned_le32(ap + 4);
2875 e_guard = get_unaligned_le16(ep + 2);
2876 e_app_tag = get_unaligned_le16(ep + 0);
2877 e_ref_tag = get_unaligned_le32(ep + 4);
2879 ql_dbg(ql_dbg_io, vha, 0x3023,
2880 "iocb(s) %p Returned STATUS.\n", sts24);
2882 ql_dbg(ql_dbg_io, vha, 0x3024,
2883 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2884 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2885 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2886 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2887 a_app_tag, e_app_tag, a_guard, e_guard);
2891 * For type 3: ref & app tag is all 'f's
2892 * For type 0,1,2: app tag is all 'f's
2894 if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) &&
2895 (scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 ||
2896 a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) {
2897 uint32_t blocks_done, resid;
2898 sector_t lba_s = scsi_get_lba(cmd);
2900 /* 2TB boundary case covered automatically with this */
2901 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2903 resid = scsi_bufflen(cmd) - (blocks_done *
2904 cmd->device->sector_size);
2906 scsi_set_resid(cmd, resid);
2907 cmd->result = DID_OK << 16;
2909 /* Update protection tag */
2910 if (scsi_prot_sg_count(cmd)) {
2911 uint32_t i, j = 0, k = 0, num_ent;
2912 struct scatterlist *sg;
2913 struct t10_pi_tuple *spt;
2915 /* Patch the corresponding protection tags */
2916 scsi_for_each_prot_sg(cmd, sg,
2917 scsi_prot_sg_count(cmd), i) {
2918 num_ent = sg_dma_len(sg) / 8;
2919 if (k + num_ent < blocks_done) {
2923 j = blocks_done - k - 1;
2928 if (k != blocks_done) {
2929 ql_log(ql_log_warn, vha, 0x302f,
2930 "unexpected tag values tag:lba=%x:%llx)\n",
2931 e_ref_tag, (unsigned long long)lba_s);
2935 spt = page_address(sg_page(sg)) + sg->offset;
2938 spt->app_tag = T10_PI_APP_ESCAPE;
2939 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2940 spt->ref_tag = T10_PI_REF_ESCAPE;
2947 if (e_guard != a_guard) {
2948 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1);
2949 set_host_byte(cmd, DID_ABORT);
2954 if (e_ref_tag != a_ref_tag) {
2955 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3);
2956 set_host_byte(cmd, DID_ABORT);
2960 /* check appl tag */
2961 if (e_app_tag != a_app_tag) {
2962 scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2);
2963 set_host_byte(cmd, DID_ABORT);
2971 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2972 struct req_que *req, uint32_t index)
2974 struct qla_hw_data *ha = vha->hw;
2976 uint16_t comp_status;
2977 uint16_t scsi_status;
2979 uint32_t rval = EXT_STATUS_OK;
2980 struct bsg_job *bsg_job = NULL;
2981 struct fc_bsg_request *bsg_request;
2982 struct fc_bsg_reply *bsg_reply;
2983 sts_entry_t *sts = pkt;
2984 struct sts_entry_24xx *sts24 = pkt;
2986 /* Validate handle. */
2987 if (index >= req->num_outstanding_cmds) {
2988 ql_log(ql_log_warn, vha, 0x70af,
2989 "Invalid SCSI completion handle 0x%x.\n", index);
2990 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2994 sp = req->outstanding_cmds[index];
2996 ql_log(ql_log_warn, vha, 0x70b0,
2997 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
3000 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3004 /* Free outstanding command slot. */
3005 req->outstanding_cmds[index] = NULL;
3006 bsg_job = sp->u.bsg_job;
3007 bsg_request = bsg_job->request;
3008 bsg_reply = bsg_job->reply;
3010 if (IS_FWI2_CAPABLE(ha)) {
3011 comp_status = le16_to_cpu(sts24->comp_status);
3012 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3014 comp_status = le16_to_cpu(sts->comp_status);
3015 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3018 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3019 switch (comp_status) {
3021 if (scsi_status == 0) {
3022 bsg_reply->reply_payload_rcv_len =
3023 bsg_job->reply_payload.payload_len;
3024 vha->qla_stats.input_bytes +=
3025 bsg_reply->reply_payload_rcv_len;
3026 vha->qla_stats.input_requests++;
3027 rval = EXT_STATUS_OK;
3031 case CS_DATA_OVERRUN:
3032 ql_dbg(ql_dbg_user, vha, 0x70b1,
3033 "Command completed with data overrun thread_id=%d\n",
3035 rval = EXT_STATUS_DATA_OVERRUN;
3038 case CS_DATA_UNDERRUN:
3039 ql_dbg(ql_dbg_user, vha, 0x70b2,
3040 "Command completed with data underrun thread_id=%d\n",
3042 rval = EXT_STATUS_DATA_UNDERRUN;
3044 case CS_BIDIR_RD_OVERRUN:
3045 ql_dbg(ql_dbg_user, vha, 0x70b3,
3046 "Command completed with read data overrun thread_id=%d\n",
3048 rval = EXT_STATUS_DATA_OVERRUN;
3051 case CS_BIDIR_RD_WR_OVERRUN:
3052 ql_dbg(ql_dbg_user, vha, 0x70b4,
3053 "Command completed with read and write data overrun "
3054 "thread_id=%d\n", thread_id);
3055 rval = EXT_STATUS_DATA_OVERRUN;
3058 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
3059 ql_dbg(ql_dbg_user, vha, 0x70b5,
3060 "Command completed with read data over and write data "
3061 "underrun thread_id=%d\n", thread_id);
3062 rval = EXT_STATUS_DATA_OVERRUN;
3065 case CS_BIDIR_RD_UNDERRUN:
3066 ql_dbg(ql_dbg_user, vha, 0x70b6,
3067 "Command completed with read data underrun "
3068 "thread_id=%d\n", thread_id);
3069 rval = EXT_STATUS_DATA_UNDERRUN;
3072 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
3073 ql_dbg(ql_dbg_user, vha, 0x70b7,
3074 "Command completed with read data under and write data "
3075 "overrun thread_id=%d\n", thread_id);
3076 rval = EXT_STATUS_DATA_UNDERRUN;
3079 case CS_BIDIR_RD_WR_UNDERRUN:
3080 ql_dbg(ql_dbg_user, vha, 0x70b8,
3081 "Command completed with read and write data underrun "
3082 "thread_id=%d\n", thread_id);
3083 rval = EXT_STATUS_DATA_UNDERRUN;
3087 ql_dbg(ql_dbg_user, vha, 0x70b9,
3088 "Command completed with data DMA error thread_id=%d\n",
3090 rval = EXT_STATUS_DMA_ERR;
3094 ql_dbg(ql_dbg_user, vha, 0x70ba,
3095 "Command completed with timeout thread_id=%d\n",
3097 rval = EXT_STATUS_TIMEOUT;
3100 ql_dbg(ql_dbg_user, vha, 0x70bb,
3101 "Command completed with completion status=0x%x "
3102 "thread_id=%d\n", comp_status, thread_id);
3103 rval = EXT_STATUS_ERR;
3106 bsg_reply->reply_payload_rcv_len = 0;
3109 /* Return the vendor specific reply to API */
3110 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
3111 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
3112 /* Always return DID_OK, bsg will send the vendor specific response
3113 * in this case only */
3114 sp->done(sp, DID_OK << 16);
3119 * qla2x00_status_entry() - Process a Status IOCB entry.
3120 * @vha: SCSI driver HA context
3121 * @rsp: response queue
3122 * @pkt: Entry pointer
3125 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
3129 struct scsi_cmnd *cp;
3130 sts_entry_t *sts = pkt;
3131 struct sts_entry_24xx *sts24 = pkt;
3132 uint16_t comp_status;
3133 uint16_t scsi_status;
3135 uint8_t lscsi_status;
3137 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
3139 uint8_t *rsp_info, *sense_data;
3140 struct qla_hw_data *ha = vha->hw;
3143 struct req_que *req;
3146 uint16_t state_flags = 0;
3147 uint16_t sts_qual = 0;
3149 if (IS_FWI2_CAPABLE(ha)) {
3150 comp_status = le16_to_cpu(sts24->comp_status);
3151 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
3152 state_flags = le16_to_cpu(sts24->state_flags);
3154 comp_status = le16_to_cpu(sts->comp_status);
3155 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
3157 handle = (uint32_t) LSW(sts->handle);
3158 que = MSW(sts->handle);
3159 req = ha->req_q_map[que];
3161 /* Check for invalid queue pointer */
3163 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
3164 ql_dbg(ql_dbg_io, vha, 0x3059,
3165 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
3166 "que=%u.\n", sts->handle, req, que);
3170 /* Validate handle. */
3171 if (handle < req->num_outstanding_cmds) {
3172 sp = req->outstanding_cmds[handle];
3174 ql_dbg(ql_dbg_io, vha, 0x3075,
3175 "%s(%ld): Already returned command for status handle (0x%x).\n",
3176 __func__, vha->host_no, sts->handle);
3180 ql_dbg(ql_dbg_io, vha, 0x3017,
3181 "Invalid status handle, out of range (0x%x).\n",
3184 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3185 if (IS_P3P_TYPE(ha))
3186 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
3188 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3189 qla2xxx_wake_dpc(vha);
3193 qla_put_iocbs(sp->qpair, &sp->iores);
3195 if (sp->cmd_type != TYPE_SRB) {
3196 req->outstanding_cmds[handle] = NULL;
3197 ql_dbg(ql_dbg_io, vha, 0x3015,
3198 "Unknown sp->cmd_type %x %p).\n",
3203 /* NVME completion. */
3204 if (sp->type == SRB_NVME_CMD) {
3205 req->outstanding_cmds[handle] = NULL;
3206 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
3210 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
3211 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
3215 /* Task Management completion. */
3216 if (sp->type == SRB_TM_CMD) {
3217 qla24xx_tm_iocb_entry(vha, req, pkt);
3221 /* Fast path completion. */
3222 qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24);
3223 sp->qpair->cmd_completion_cnt++;
3225 if (comp_status == CS_COMPLETE && scsi_status == 0) {
3226 qla2x00_process_completed_request(vha, req, handle);
3231 req->outstanding_cmds[handle] = NULL;
3232 cp = GET_CMD_SP(sp);
3234 ql_dbg(ql_dbg_io, vha, 0x3018,
3235 "Command already returned (0x%x/%p).\n",
3241 lscsi_status = scsi_status & STATUS_MASK;
3243 fcport = sp->fcport;
3246 sense_len = par_sense_len = rsp_info_len = resid_len =
3248 if (IS_FWI2_CAPABLE(ha)) {
3249 if (scsi_status & SS_SENSE_LEN_VALID)
3250 sense_len = le32_to_cpu(sts24->sense_len);
3251 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3252 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
3253 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
3254 resid_len = le32_to_cpu(sts24->rsp_residual_count);
3255 if (comp_status == CS_DATA_UNDERRUN)
3256 fw_resid_len = le32_to_cpu(sts24->residual_len);
3257 rsp_info = sts24->data;
3258 sense_data = sts24->data;
3259 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
3260 ox_id = le16_to_cpu(sts24->ox_id);
3261 par_sense_len = sizeof(sts24->data);
3262 sts_qual = le16_to_cpu(sts24->status_qualifier);
3264 if (scsi_status & SS_SENSE_LEN_VALID)
3265 sense_len = le16_to_cpu(sts->req_sense_length);
3266 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
3267 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
3268 resid_len = le32_to_cpu(sts->residual_length);
3269 rsp_info = sts->rsp_info;
3270 sense_data = sts->req_sense_data;
3271 par_sense_len = sizeof(sts->req_sense_data);
3274 /* Check for any FCP transport errors. */
3275 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
3276 /* Sense data lies beyond any FCP RESPONSE data. */
3277 if (IS_FWI2_CAPABLE(ha)) {
3278 sense_data += rsp_info_len;
3279 par_sense_len -= rsp_info_len;
3281 if (rsp_info_len > 3 && rsp_info[3]) {
3282 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
3283 "FCP I/O protocol failure (0x%x/0x%x).\n",
3284 rsp_info_len, rsp_info[3]);
3286 res = DID_BUS_BUSY << 16;
3291 /* Check for overrun. */
3292 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
3293 scsi_status & SS_RESIDUAL_OVER)
3294 comp_status = CS_DATA_OVERRUN;
3297 * Check retry_delay_timer value if we receive a busy or
3300 if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL ||
3301 lscsi_status == SAM_STAT_BUSY))
3302 qla2x00_set_retry_delay_timestamp(fcport, sts_qual);
3305 * Based on Host and scsi status generate status code for Linux
3307 switch (comp_status) {
3310 if (scsi_status == 0) {
3314 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
3316 scsi_set_resid(cp, resid);
3318 if (!lscsi_status &&
3319 ((unsigned)(scsi_bufflen(cp) - resid) <
3321 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
3322 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3323 resid, scsi_bufflen(cp));
3325 res = DID_ERROR << 16;
3329 res = DID_OK << 16 | lscsi_status;
3331 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3332 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
3333 "QUEUE FULL detected.\n");
3337 if (lscsi_status != SS_CHECK_CONDITION)
3340 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3341 if (!(scsi_status & SS_SENSE_LEN_VALID))
3344 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
3348 case CS_DATA_UNDERRUN:
3349 /* Use F/W calculated residual length. */
3350 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
3351 scsi_set_resid(cp, resid);
3352 if (scsi_status & SS_RESIDUAL_UNDER) {
3353 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
3354 ql_log(ql_log_warn, fcport->vha, 0x301d,
3355 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3356 resid, scsi_bufflen(cp));
3358 vha->interface_err_cnt++;
3360 res = DID_ERROR << 16 | lscsi_status;
3361 goto check_scsi_status;
3364 if (!lscsi_status &&
3365 ((unsigned)(scsi_bufflen(cp) - resid) <
3367 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
3368 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
3369 resid, scsi_bufflen(cp));
3371 res = DID_ERROR << 16;
3374 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
3375 lscsi_status != SAM_STAT_BUSY) {
3377 * scsi status of task set and busy are considered to be
3378 * task not completed.
3381 ql_log(ql_log_warn, fcport->vha, 0x301f,
3382 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
3383 resid, scsi_bufflen(cp));
3385 vha->interface_err_cnt++;
3387 res = DID_ERROR << 16 | lscsi_status;
3388 goto check_scsi_status;
3390 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
3391 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
3392 scsi_status, lscsi_status);
3395 res = DID_OK << 16 | lscsi_status;
3400 * Check to see if SCSI Status is non zero. If so report SCSI
3403 if (lscsi_status != 0) {
3404 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
3405 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
3406 "QUEUE FULL detected.\n");
3410 if (lscsi_status != SS_CHECK_CONDITION)
3413 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
3414 if (!(scsi_status & SS_SENSE_LEN_VALID))
3417 qla2x00_handle_sense(sp, sense_data, par_sense_len,
3418 sense_len, rsp, res);
3422 case CS_PORT_LOGGED_OUT:
3423 case CS_PORT_CONFIG_CHG:
3426 case CS_PORT_UNAVAILABLE:
3431 * We are going to have the fc class block the rport
3432 * while we try to recover so instruct the mid layer
3433 * to requeue until the class decides how to handle this.
3435 res = DID_TRANSPORT_DISRUPTED << 16;
3437 if (comp_status == CS_TIMEOUT) {
3438 if (IS_FWI2_CAPABLE(ha))
3440 else if ((le16_to_cpu(sts->status_flags) &
3441 SF_LOGOUT_SENT) == 0)
3445 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3446 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
3447 "Port to be marked lost on fcport=%02x%02x%02x, current "
3448 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
3449 fcport->d_id.b.area, fcport->d_id.b.al_pa,
3450 port_state_str[FCS_ONLINE],
3453 qlt_schedule_sess_for_deletion(fcport);
3459 res = DID_RESET << 16;
3463 logit = qla2x00_handle_dif_error(sp, sts24);
3468 res = DID_ERROR << 16;
3471 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
3474 if (state_flags & BIT_4)
3475 scmd_printk(KERN_WARNING, cp,
3476 "Unsupported device '%s' found.\n",
3477 cp->device->vendor);
3481 ql_log(ql_log_info, fcport->vha, 0x3022,
3482 "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",
3483 comp_status, scsi_status, res, vha->host_no,
3484 cp->device->id, cp->device->lun, fcport->d_id.b24,
3485 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3486 resid_len, fw_resid_len, sp, cp);
3487 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
3488 pkt, sizeof(*sts24));
3489 res = DID_ERROR << 16;
3493 res = DID_ERROR << 16;
3499 ql_log(ql_dbg_io, fcport->vha, 0x3022,
3500 "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",
3501 comp_status, scsi_status, res, vha->host_no,
3502 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
3503 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
3504 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
3505 resid_len, fw_resid_len, sp, cp);
3507 if (rsp->status_srb == NULL)
3512 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
3513 * @rsp: response queue
3514 * @pkt: Entry pointer
3516 * Extended sense data.
3519 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
3521 uint8_t sense_sz = 0;
3522 struct qla_hw_data *ha = rsp->hw;
3523 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
3524 srb_t *sp = rsp->status_srb;
3525 struct scsi_cmnd *cp;
3529 if (!sp || !GET_CMD_SENSE_LEN(sp))
3532 sense_len = GET_CMD_SENSE_LEN(sp);
3533 sense_ptr = GET_CMD_SENSE_PTR(sp);
3535 cp = GET_CMD_SP(sp);
3537 ql_log(ql_log_warn, vha, 0x3025,
3538 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
3540 rsp->status_srb = NULL;
3544 if (sense_len > sizeof(pkt->data))
3545 sense_sz = sizeof(pkt->data);
3547 sense_sz = sense_len;
3549 /* Move sense data. */
3550 if (IS_FWI2_CAPABLE(ha))
3551 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
3552 memcpy(sense_ptr, pkt->data, sense_sz);
3553 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
3554 sense_ptr, sense_sz);
3556 sense_len -= sense_sz;
3557 sense_ptr += sense_sz;
3559 SET_CMD_SENSE_PTR(sp, sense_ptr);
3560 SET_CMD_SENSE_LEN(sp, sense_len);
3562 /* Place command on done queue. */
3563 if (sense_len == 0) {
3564 rsp->status_srb = NULL;
3565 sp->done(sp, cp->result);
3570 * qla2x00_error_entry() - Process an error entry.
3571 * @vha: SCSI driver HA context
3572 * @rsp: response queue
3573 * @pkt: Entry pointer
3574 * return : 1=allow further error analysis. 0=no additional error analysis.
3577 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
3580 struct qla_hw_data *ha = vha->hw;
3581 const char func[] = "ERROR-IOCB";
3582 uint16_t que = MSW(pkt->handle);
3583 struct req_que *req = NULL;
3584 int res = DID_ERROR << 16;
3586 ql_dbg(ql_dbg_async, vha, 0x502a,
3587 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
3588 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
3590 if (que >= ha->max_req_queues || !ha->req_q_map[que])
3593 req = ha->req_q_map[que];
3595 if (pkt->entry_status & RF_BUSY)
3596 res = DID_BUS_BUSY << 16;
3598 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
3601 switch (pkt->entry_type) {
3602 case NOTIFY_ACK_TYPE:
3604 case STATUS_CONT_TYPE:
3605 case LOGINOUT_PORT_IOCB_TYPE:
3608 case ABORT_IOCB_TYPE:
3611 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3613 qla_put_iocbs(sp->qpair, &sp->iores);
3619 case SA_UPDATE_IOCB_TYPE:
3620 case ABTS_RESP_24XX:
3626 ql_log(ql_log_warn, vha, 0x5030,
3627 "Error entry - invalid handle/queue (%04x).\n", que);
3632 * qla24xx_mbx_completion() - Process mailbox command completions.
3633 * @vha: SCSI driver HA context
3634 * @mb0: Mailbox0 register
3637 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
3641 __le16 __iomem *wptr;
3642 struct qla_hw_data *ha = vha->hw;
3643 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3645 /* Read all mbox registers? */
3646 WARN_ON_ONCE(ha->mbx_count > 32);
3647 mboxes = (1ULL << ha->mbx_count) - 1;
3649 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
3651 mboxes = ha->mcp->in_mb;
3653 /* Load return mailbox registers. */
3654 ha->flags.mbox_int = 1;
3655 ha->mailbox_out[0] = mb0;
3657 wptr = ®->mailbox1;
3659 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
3661 ha->mailbox_out[cnt] = rd_reg_word(wptr);
3669 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
3670 struct abort_entry_24xx *pkt)
3672 const char func[] = "ABT_IOCB";
3674 srb_t *orig_sp = NULL;
3675 struct srb_iocb *abt;
3677 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3681 abt = &sp->u.iocb_cmd;
3682 abt->u.abt.comp_status = pkt->comp_status;
3683 orig_sp = sp->cmd_sp;
3684 /* Need to pass original sp */
3686 qla_nvme_abort_process_comp_status(pkt, orig_sp);
3691 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
3692 struct pt_ls4_request *pkt, struct req_que *req)
3695 const char func[] = "LS4_IOCB";
3696 uint16_t comp_status;
3698 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
3702 comp_status = le16_to_cpu(pkt->status);
3703 sp->done(sp, comp_status);
3707 * qla_chk_cont_iocb_avail - check for all continuation iocbs are available
3708 * before iocb processing can start.
3709 * @vha: host adapter pointer
3710 * @rsp: respond queue
3711 * @pkt: head iocb describing how many continuation iocb
3712 * Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.
3714 static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,
3715 struct rsp_que *rsp, response_t *pkt)
3717 int start_pkt_ring_index, end_pkt_ring_index, n_ring_index;
3718 response_t *end_pkt;
3722 if (pkt->entry_count == 1)
3725 /* ring_index was pre-increment. set it back to current pkt */
3726 if (rsp->ring_index == 0)
3727 start_pkt_ring_index = rsp->length - 1;
3729 start_pkt_ring_index = rsp->ring_index - 1;
3731 if ((start_pkt_ring_index + pkt->entry_count) >= rsp->length)
3732 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count -
3735 end_pkt_ring_index = start_pkt_ring_index + pkt->entry_count - 1;
3737 end_pkt = rsp->ring + end_pkt_ring_index;
3739 /* next pkt = end_pkt + 1 */
3740 n_ring_index = end_pkt_ring_index + 1;
3741 if (n_ring_index >= rsp->length)
3744 rsp_q_in = rsp->qpair->use_shadow_reg ? *rsp->in_ptr :
3745 rd_reg_dword(rsp->rsp_q_in);
3747 /* rsp_q_in is either wrapped or pointing beyond endpkt */
3748 if ((rsp_q_in < start_pkt_ring_index && rsp_q_in < n_ring_index) ||
3749 rsp_q_in >= n_ring_index)
3750 /* all IOCBs arrived. */
3755 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x5091,
3756 "%s - ring %p pkt %p end pkt %p entry count %#x rsp_q_in %d rc %d\n",
3757 __func__, rsp->ring, pkt, end_pkt, pkt->entry_count,
3764 * qla24xx_process_response_queue() - Process response queue entries.
3765 * @vha: SCSI driver HA context
3766 * @rsp: response queue
3768 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
3769 struct rsp_que *rsp)
3771 struct sts_entry_24xx *pkt;
3772 struct qla_hw_data *ha = vha->hw;
3773 struct purex_entry_24xx *purex_entry;
3774 struct purex_item *pure_item;
3776 if (!ha->flags.fw_started)
3779 if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
3780 rsp->qpair->rcv_intr = 1;
3781 qla_cpu_update(rsp->qpair, smp_processor_id());
3784 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
3785 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
3788 if (rsp->ring_index == rsp->length) {
3789 rsp->ring_index = 0;
3790 rsp->ring_ptr = rsp->ring;
3795 if (pkt->entry_status != 0) {
3796 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
3799 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3805 switch (pkt->entry_type) {
3807 qla2x00_status_entry(vha, rsp, pkt);
3809 case STATUS_CONT_TYPE:
3810 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3812 case VP_RPT_ID_IOCB_TYPE:
3813 qla24xx_report_id_acquisition(vha,
3814 (struct vp_rpt_id_entry_24xx *)pkt);
3816 case LOGINOUT_PORT_IOCB_TYPE:
3817 qla24xx_logio_entry(vha, rsp->req,
3818 (struct logio_entry_24xx *)pkt);
3821 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3824 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3826 case ABTS_RECV_24XX:
3827 if (qla_ini_mode_enabled(vha)) {
3828 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3831 qla24xx_queue_purex_item(vha, pure_item,
3832 qla24xx_process_abts);
3835 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3837 /* ensure that the ATIO queue is empty */
3838 qlt_handle_abts_recv(vha, rsp,
3842 qlt_24xx_process_atio_queue(vha, 1);
3845 case ABTS_RESP_24XX:
3848 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3850 case PT_LS4_REQUEST:
3851 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3854 case NOTIFY_ACK_TYPE:
3855 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3856 qlt_response_pkt_all_vps(vha, rsp,
3859 qla24xxx_nack_iocb_entry(vha, rsp->req,
3860 (struct nack_to_isp *)pkt);
3863 /* Do nothing in this case, this check is to prevent it
3864 * from falling into default case
3867 case ABORT_IOCB_TYPE:
3868 qla24xx_abort_iocb_entry(vha, rsp->req,
3869 (struct abort_entry_24xx *)pkt);
3872 qla24xx_mbx_iocb_entry(vha, rsp->req,
3873 (struct mbx_24xx_entry *)pkt);
3875 case VP_CTRL_IOCB_TYPE:
3876 qla_ctrlvp_completed(vha, rsp->req,
3877 (struct vp_ctrl_entry_24xx *)pkt);
3879 case PUREX_IOCB_TYPE:
3880 purex_entry = (void *)pkt;
3881 switch (purex_entry->els_frame_payload[3]) {
3883 pure_item = qla24xx_copy_std_pkt(vha, pkt);
3886 qla24xx_queue_purex_item(vha, pure_item,
3887 qla24xx_process_purex_rdp);
3890 if (!vha->hw->flags.scm_enabled) {
3891 ql_log(ql_log_warn, vha, 0x5094,
3892 "SCM not active for this port\n");
3895 pure_item = qla27xx_copy_fpin_pkt(vha,
3896 (void **)&pkt, &rsp);
3899 qla24xx_queue_purex_item(vha, pure_item,
3900 qla27xx_process_purex_fpin);
3904 if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt)) {
3905 ql_dbg(ql_dbg_init, vha, 0x5091,
3906 "Defer processing ELS opcode %#x...\n",
3907 purex_entry->els_frame_payload[3]);
3910 qla24xx_auth_els(vha, (void **)&pkt, &rsp);
3913 ql_log(ql_log_warn, vha, 0x509c,
3914 "Discarding ELS Request opcode 0x%x\n",
3915 purex_entry->els_frame_payload[3]);
3918 case SA_UPDATE_IOCB_TYPE:
3919 qla28xx_sa_update_iocb_entry(vha, rsp->req,
3920 (struct sa_update_28xx *)pkt);
3924 /* Type Not Supported. */
3925 ql_dbg(ql_dbg_async, vha, 0x5042,
3926 "Received unknown response pkt type 0x%x entry status=%x.\n",
3927 pkt->entry_type, pkt->entry_status);
3930 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3934 /* Adjust ring index */
3935 if (IS_P3P_TYPE(ha)) {
3936 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3938 wrt_reg_dword(®->rsp_q_out[0], rsp->ring_index);
3940 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index);
3945 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3949 struct qla_hw_data *ha = vha->hw;
3950 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3952 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3953 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3957 wrt_reg_dword(®->iobase_addr, 0x7C00);
3958 rd_reg_dword(®->iobase_addr);
3959 wrt_reg_dword(®->iobase_window, 0x0001);
3960 for (cnt = 10000; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3961 rval == QLA_SUCCESS; cnt--) {
3963 wrt_reg_dword(®->iobase_window, 0x0001);
3966 rval = QLA_FUNCTION_TIMEOUT;
3968 if (rval == QLA_SUCCESS)
3972 wrt_reg_dword(®->iobase_window, 0x0003);
3973 for (cnt = 100; (rd_reg_dword(®->iobase_window) & BIT_0) == 0 &&
3974 rval == QLA_SUCCESS; cnt--) {
3976 wrt_reg_dword(®->iobase_window, 0x0003);
3979 rval = QLA_FUNCTION_TIMEOUT;
3981 if (rval != QLA_SUCCESS)
3985 if (rd_reg_dword(®->iobase_c8) & BIT_3)
3986 ql_log(ql_log_info, vha, 0x504c,
3987 "Additional code -- 0x55AA.\n");
3990 wrt_reg_dword(®->iobase_window, 0x0000);
3991 rd_reg_dword(®->iobase_window);
3995 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3996 * @irq: interrupt number
3997 * @dev_id: SCSI driver HA context
3999 * Called by system whenever the host adapter generates an interrupt.
4001 * Returns handled flag.
4004 qla24xx_intr_handler(int irq, void *dev_id)
4006 scsi_qla_host_t *vha;
4007 struct qla_hw_data *ha;
4008 struct device_reg_24xx __iomem *reg;
4014 struct rsp_que *rsp;
4015 unsigned long flags;
4016 bool process_atio = false;
4018 rsp = (struct rsp_que *) dev_id;
4020 ql_log(ql_log_info, NULL, 0x5059,
4021 "%s: NULL response queue pointer.\n", __func__);
4026 reg = &ha->iobase->isp24;
4029 if (unlikely(pci_channel_offline(ha->pdev)))
4032 spin_lock_irqsave(&ha->hardware_lock, flags);
4033 vha = pci_get_drvdata(ha->pdev);
4034 for (iter = 50; iter--; ) {
4035 stat = rd_reg_dword(®->host_status);
4036 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4038 if (stat & HSRX_RISC_PAUSED) {
4039 if (unlikely(pci_channel_offline(ha->pdev)))
4042 hccr = rd_reg_dword(®->hccr);
4044 ql_log(ql_log_warn, vha, 0x504b,
4045 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4048 qla2xxx_check_risc_status(vha);
4050 ha->isp_ops->fw_dump(vha);
4051 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4053 } else if ((stat & HSRX_RISC_INT) == 0)
4056 switch (stat & 0xff) {
4057 case INTR_ROM_MB_SUCCESS:
4058 case INTR_ROM_MB_FAILED:
4059 case INTR_MB_SUCCESS:
4060 case INTR_MB_FAILED:
4061 qla24xx_mbx_completion(vha, MSW(stat));
4062 status |= MBX_INTERRUPT;
4065 case INTR_ASYNC_EVENT:
4067 mb[1] = rd_reg_word(®->mailbox1);
4068 mb[2] = rd_reg_word(®->mailbox2);
4069 mb[3] = rd_reg_word(®->mailbox3);
4070 qla2x00_async_event(vha, rsp, mb);
4072 case INTR_RSP_QUE_UPDATE:
4073 case INTR_RSP_QUE_UPDATE_83XX:
4074 qla24xx_process_response_queue(vha, rsp);
4076 case INTR_ATIO_QUE_UPDATE_27XX:
4077 case INTR_ATIO_QUE_UPDATE:
4078 process_atio = true;
4080 case INTR_ATIO_RSP_QUE_UPDATE:
4081 process_atio = true;
4082 qla24xx_process_response_queue(vha, rsp);
4085 ql_dbg(ql_dbg_async, vha, 0x504f,
4086 "Unrecognized interrupt type (%d).\n", stat * 0xff);
4089 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4090 rd_reg_dword_relaxed(®->hccr);
4091 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
4094 qla2x00_handle_mbx_completion(ha, status);
4095 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4098 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4099 qlt_24xx_process_atio_queue(vha, 0);
4100 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4107 qla24xx_msix_rsp_q(int irq, void *dev_id)
4109 struct qla_hw_data *ha;
4110 struct rsp_que *rsp;
4111 struct device_reg_24xx __iomem *reg;
4112 struct scsi_qla_host *vha;
4113 unsigned long flags;
4115 rsp = (struct rsp_que *) dev_id;
4117 ql_log(ql_log_info, NULL, 0x505a,
4118 "%s: NULL response queue pointer.\n", __func__);
4122 reg = &ha->iobase->isp24;
4124 spin_lock_irqsave(&ha->hardware_lock, flags);
4126 vha = pci_get_drvdata(ha->pdev);
4127 qla24xx_process_response_queue(vha, rsp);
4128 if (!ha->flags.disable_msix_handshake) {
4129 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4130 rd_reg_dword_relaxed(®->hccr);
4132 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4138 qla24xx_msix_default(int irq, void *dev_id)
4140 scsi_qla_host_t *vha;
4141 struct qla_hw_data *ha;
4142 struct rsp_que *rsp;
4143 struct device_reg_24xx __iomem *reg;
4148 unsigned long flags;
4149 bool process_atio = false;
4151 rsp = (struct rsp_que *) dev_id;
4153 ql_log(ql_log_info, NULL, 0x505c,
4154 "%s: NULL response queue pointer.\n", __func__);
4158 reg = &ha->iobase->isp24;
4161 spin_lock_irqsave(&ha->hardware_lock, flags);
4162 vha = pci_get_drvdata(ha->pdev);
4164 stat = rd_reg_dword(®->host_status);
4165 if (qla2x00_check_reg32_for_disconnect(vha, stat))
4167 if (stat & HSRX_RISC_PAUSED) {
4168 if (unlikely(pci_channel_offline(ha->pdev)))
4171 hccr = rd_reg_dword(®->hccr);
4173 ql_log(ql_log_info, vha, 0x5050,
4174 "RISC paused -- HCCR=%x, Dumping firmware.\n",
4177 qla2xxx_check_risc_status(vha);
4180 ha->isp_ops->fw_dump(vha);
4181 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4183 } else if ((stat & HSRX_RISC_INT) == 0)
4186 switch (stat & 0xff) {
4187 case INTR_ROM_MB_SUCCESS:
4188 case INTR_ROM_MB_FAILED:
4189 case INTR_MB_SUCCESS:
4190 case INTR_MB_FAILED:
4191 qla24xx_mbx_completion(vha, MSW(stat));
4192 status |= MBX_INTERRUPT;
4195 case INTR_ASYNC_EVENT:
4197 mb[1] = rd_reg_word(®->mailbox1);
4198 mb[2] = rd_reg_word(®->mailbox2);
4199 mb[3] = rd_reg_word(®->mailbox3);
4200 qla2x00_async_event(vha, rsp, mb);
4202 case INTR_RSP_QUE_UPDATE:
4203 case INTR_RSP_QUE_UPDATE_83XX:
4204 qla24xx_process_response_queue(vha, rsp);
4206 case INTR_ATIO_QUE_UPDATE_27XX:
4207 case INTR_ATIO_QUE_UPDATE:
4208 process_atio = true;
4210 case INTR_ATIO_RSP_QUE_UPDATE:
4211 process_atio = true;
4212 qla24xx_process_response_queue(vha, rsp);
4215 ql_dbg(ql_dbg_async, vha, 0x5051,
4216 "Unrecognized interrupt type (%d).\n", stat & 0xff);
4219 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4221 qla2x00_handle_mbx_completion(ha, status);
4222 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4225 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4226 qlt_24xx_process_atio_queue(vha, 0);
4227 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
4234 qla2xxx_msix_rsp_q(int irq, void *dev_id)
4236 struct qla_hw_data *ha;
4237 struct qla_qpair *qpair;
4241 ql_log(ql_log_info, NULL, 0x505b,
4242 "%s: NULL response queue pointer.\n", __func__);
4247 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4253 qla2xxx_msix_rsp_q_hs(int irq, void *dev_id)
4255 struct qla_hw_data *ha;
4256 struct qla_qpair *qpair;
4257 struct device_reg_24xx __iomem *reg;
4258 unsigned long flags;
4262 ql_log(ql_log_info, NULL, 0x505b,
4263 "%s: NULL response queue pointer.\n", __func__);
4268 reg = &ha->iobase->isp24;
4269 spin_lock_irqsave(&ha->hardware_lock, flags);
4270 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_INT);
4271 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4273 queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
4278 /* Interrupt handling helpers. */
4280 struct qla_init_msix_entry {
4282 irq_handler_t handler;
4285 static const struct qla_init_msix_entry msix_entries[] = {
4286 { "default", qla24xx_msix_default },
4287 { "rsp_q", qla24xx_msix_rsp_q },
4288 { "atio_q", qla83xx_msix_atio_q },
4289 { "qpair_multiq", qla2xxx_msix_rsp_q },
4290 { "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs },
4293 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
4294 { "qla2xxx (default)", qla82xx_msix_default },
4295 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
4299 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
4302 struct qla_msix_entry *qentry;
4303 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4304 int min_vecs = QLA_BASE_VECTORS;
4305 struct irq_affinity desc = {
4306 .pre_vectors = QLA_BASE_VECTORS,
4309 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4310 IS_ATIO_MSIX_CAPABLE(ha)) {
4315 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
4316 /* user wants to control IRQ setting for target mode */
4317 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
4318 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4321 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
4322 min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
4323 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
4327 ql_log(ql_log_fatal, vha, 0x00c7,
4328 "MSI-X: Failed to enable support, "
4329 "giving up -- %d/%d.\n",
4330 ha->msix_count, ret);
4332 } else if (ret < ha->msix_count) {
4333 ql_log(ql_log_info, vha, 0x00c6,
4334 "MSI-X: Using %d vectors\n", ret);
4335 ha->msix_count = ret;
4336 /* Recalculate queue values */
4337 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
4338 ha->max_req_queues = ha->msix_count - 1;
4340 /* ATIOQ needs 1 vector. That's 1 less QPair */
4341 if (QLA_TGT_MODE_ENABLED())
4342 ha->max_req_queues--;
4344 ha->max_rsp_queues = ha->max_req_queues;
4346 ha->max_qpairs = ha->max_req_queues - 1;
4347 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
4348 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
4351 vha->irq_offset = desc.pre_vectors;
4352 ha->msix_entries = kcalloc(ha->msix_count,
4353 sizeof(struct qla_msix_entry),
4355 if (!ha->msix_entries) {
4356 ql_log(ql_log_fatal, vha, 0x00c8,
4357 "Failed to allocate memory for ha->msix_entries.\n");
4361 ha->flags.msix_enabled = 1;
4363 for (i = 0; i < ha->msix_count; i++) {
4364 qentry = &ha->msix_entries[i];
4365 qentry->vector = pci_irq_vector(ha->pdev, i);
4367 qentry->have_irq = 0;
4369 qentry->handle = NULL;
4372 /* Enable MSI-X vectors for the base queue */
4373 for (i = 0; i < QLA_BASE_VECTORS; i++) {
4374 qentry = &ha->msix_entries[i];
4375 qentry->handle = rsp;
4377 scnprintf(qentry->name, sizeof(qentry->name),
4378 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
4379 if (IS_P3P_TYPE(ha))
4380 ret = request_irq(qentry->vector,
4381 qla82xx_msix_entries[i].handler,
4382 0, qla82xx_msix_entries[i].name, rsp);
4384 ret = request_irq(qentry->vector,
4385 msix_entries[i].handler,
4386 0, qentry->name, rsp);
4388 goto msix_register_fail;
4389 qentry->have_irq = 1;
4394 * If target mode is enable, also request the vector for the ATIO
4397 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
4398 IS_ATIO_MSIX_CAPABLE(ha)) {
4399 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
4401 qentry->handle = rsp;
4402 scnprintf(qentry->name, sizeof(qentry->name),
4403 "qla2xxx%lu_%s", vha->host_no,
4404 msix_entries[QLA_ATIO_VECTOR].name);
4406 ret = request_irq(qentry->vector,
4407 msix_entries[QLA_ATIO_VECTOR].handler,
4408 0, qentry->name, rsp);
4409 qentry->have_irq = 1;
4414 ql_log(ql_log_fatal, vha, 0x00cb,
4415 "MSI-X: unable to register handler -- %x/%d.\n",
4416 qentry->vector, ret);
4417 qla2x00_free_irqs(vha);
4422 /* Enable MSI-X vector for response queue update for queue 0 */
4423 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4424 if (ha->msixbase && ha->mqiobase &&
4425 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
4430 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
4433 ql_dbg(ql_dbg_multiq, vha, 0xc005,
4434 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4435 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4436 ql_dbg(ql_dbg_init, vha, 0x0055,
4437 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
4438 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
4444 pci_free_irq_vectors(ha->pdev);
4449 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
4451 int ret = QLA_FUNCTION_FAILED;
4452 device_reg_t *reg = ha->iobase;
4453 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4455 /* If possible, enable MSI-X. */
4456 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
4457 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
4458 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
4461 if (ql2xenablemsix == 2)
4464 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
4465 (ha->pdev->subsystem_device == 0x7040 ||
4466 ha->pdev->subsystem_device == 0x7041 ||
4467 ha->pdev->subsystem_device == 0x1705)) {
4468 ql_log(ql_log_warn, vha, 0x0034,
4469 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
4470 ha->pdev->subsystem_vendor,
4471 ha->pdev->subsystem_device);
4475 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
4476 ql_log(ql_log_warn, vha, 0x0035,
4477 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
4478 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
4482 ret = qla24xx_enable_msix(ha, rsp);
4484 ql_dbg(ql_dbg_init, vha, 0x0036,
4485 "MSI-X: Enabled (0x%X, 0x%X).\n",
4486 ha->chip_revision, ha->fw_attributes);
4487 goto clear_risc_ints;
4492 ql_log(ql_log_info, vha, 0x0037,
4493 "Falling back-to MSI mode -- ret=%d.\n", ret);
4495 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
4496 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
4497 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
4500 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
4502 ql_dbg(ql_dbg_init, vha, 0x0038,
4504 ha->flags.msi_enabled = 1;
4506 ql_log(ql_log_warn, vha, 0x0039,
4507 "Falling back-to INTa mode -- ret=%d.\n", ret);
4510 /* Skip INTx on ISP82xx. */
4511 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
4512 return QLA_FUNCTION_FAILED;
4514 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
4515 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
4516 QLA2XXX_DRIVER_NAME, rsp);
4518 ql_log(ql_log_warn, vha, 0x003a,
4519 "Failed to reserve interrupt %d already in use.\n",
4522 } else if (!ha->flags.msi_enabled) {
4523 ql_dbg(ql_dbg_init, vha, 0x0125,
4524 "INTa mode: Enabled.\n");
4525 ha->flags.mr_intr_valid = 1;
4526 /* Set max_qpair to 0, as MSI-X and MSI in not enabled */
4531 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
4534 spin_lock_irq(&ha->hardware_lock);
4535 wrt_reg_word(®->isp.semaphore, 0);
4536 spin_unlock_irq(&ha->hardware_lock);
4543 qla2x00_free_irqs(scsi_qla_host_t *vha)
4545 struct qla_hw_data *ha = vha->hw;
4546 struct rsp_que *rsp;
4547 struct qla_msix_entry *qentry;
4551 * We need to check that ha->rsp_q_map is valid in case we are called
4552 * from a probe failure context.
4554 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
4556 rsp = ha->rsp_q_map[0];
4558 if (ha->flags.msix_enabled) {
4559 for (i = 0; i < ha->msix_count; i++) {
4560 qentry = &ha->msix_entries[i];
4561 if (qentry->have_irq) {
4562 irq_set_affinity_notifier(qentry->vector, NULL);
4563 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
4566 kfree(ha->msix_entries);
4567 ha->msix_entries = NULL;
4568 ha->flags.msix_enabled = 0;
4569 ql_dbg(ql_dbg_init, vha, 0x0042,
4570 "Disabled MSI-X.\n");
4572 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
4576 pci_free_irq_vectors(ha->pdev);
4579 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
4580 struct qla_msix_entry *msix, int vector_type)
4582 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
4583 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
4586 scnprintf(msix->name, sizeof(msix->name),
4587 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
4588 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
4590 ql_log(ql_log_fatal, vha, 0x00e6,
4591 "MSI-X: Unable to register handler -- %x/%d.\n",
4596 msix->handle = qpair;