2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
8 #include "qla_target.h"
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/t10-pi.h>
13 #include <scsi/scsi_tcq.h>
14 #include <scsi/scsi_bsg_fc.h>
15 #include <scsi/scsi_eh.h>
17 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
18 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
19 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
20 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
22 static void qla_irq_affinity_notify(struct irq_affinity_notify *,
24 static void qla_irq_affinity_release(struct kref *);
28 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
30 * @dev_id: SCSI driver HA context
32 * Called by system whenever the host adapter generates an interrupt.
34 * Returns handled flag.
37 qla2100_intr_handler(int irq, void *dev_id)
40 struct qla_hw_data *ha;
41 struct device_reg_2xxx __iomem *reg;
49 rsp = (struct rsp_que *) dev_id;
51 ql_log(ql_log_info, NULL, 0x505d,
52 "%s: NULL response queue pointer.\n", __func__);
57 reg = &ha->iobase->isp;
60 spin_lock_irqsave(&ha->hardware_lock, flags);
61 vha = pci_get_drvdata(ha->pdev);
62 for (iter = 50; iter--; ) {
63 hccr = RD_REG_WORD(®->hccr);
64 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
66 if (hccr & HCCR_RISC_PAUSE) {
67 if (pci_channel_offline(ha->pdev))
71 * Issue a "HARD" reset in order for the RISC interrupt
72 * bit to be cleared. Schedule a big hammer to get
73 * out of the RISC PAUSED state.
75 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
76 RD_REG_WORD(®->hccr);
78 ha->isp_ops->fw_dump(vha, 1);
79 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
81 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
84 if (RD_REG_WORD(®->semaphore) & BIT_0) {
85 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
86 RD_REG_WORD(®->hccr);
88 /* Get mailbox data. */
89 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
90 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
91 qla2x00_mbx_completion(vha, mb[0]);
92 status |= MBX_INTERRUPT;
93 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
94 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
95 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
96 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
97 qla2x00_async_event(vha, rsp, mb);
100 ql_dbg(ql_dbg_async, vha, 0x5025,
101 "Unrecognized interrupt type (%d).\n",
104 /* Release mailbox registers. */
105 WRT_REG_WORD(®->semaphore, 0);
106 RD_REG_WORD(®->semaphore);
108 qla2x00_process_response_queue(rsp);
110 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
111 RD_REG_WORD(®->hccr);
114 qla2x00_handle_mbx_completion(ha, status);
115 spin_unlock_irqrestore(&ha->hardware_lock, flags);
117 return (IRQ_HANDLED);
121 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
123 /* Check for PCI disconnection */
124 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
125 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
127 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
129 * Schedule this (only once) on the default system
130 * workqueue so that all the adapter workqueues and the
131 * DPC thread can be shutdown cleanly.
133 schedule_work(&vha->hw->board_disable);
141 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
143 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
147 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
149 * @dev_id: SCSI driver HA context
151 * Called by system whenever the host adapter generates an interrupt.
153 * Returns handled flag.
156 qla2300_intr_handler(int irq, void *dev_id)
158 scsi_qla_host_t *vha;
159 struct device_reg_2xxx __iomem *reg;
166 struct qla_hw_data *ha;
169 rsp = (struct rsp_que *) dev_id;
171 ql_log(ql_log_info, NULL, 0x5058,
172 "%s: NULL response queue pointer.\n", __func__);
177 reg = &ha->iobase->isp;
180 spin_lock_irqsave(&ha->hardware_lock, flags);
181 vha = pci_get_drvdata(ha->pdev);
182 for (iter = 50; iter--; ) {
183 stat = RD_REG_DWORD(®->u.isp2300.host_status);
184 if (qla2x00_check_reg32_for_disconnect(vha, stat))
186 if (stat & HSR_RISC_PAUSED) {
187 if (unlikely(pci_channel_offline(ha->pdev)))
190 hccr = RD_REG_WORD(®->hccr);
192 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
193 ql_log(ql_log_warn, vha, 0x5026,
194 "Parity error -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
197 ql_log(ql_log_warn, vha, 0x5027,
198 "RISC paused -- HCCR=%x, Dumping "
199 "firmware.\n", hccr);
202 * Issue a "HARD" reset in order for the RISC
203 * interrupt bit to be cleared. Schedule a big
204 * hammer to get out of the RISC PAUSED state.
206 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
207 RD_REG_WORD(®->hccr);
209 ha->isp_ops->fw_dump(vha, 1);
210 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
212 } else if ((stat & HSR_RISC_INT) == 0)
215 switch (stat & 0xff) {
220 qla2x00_mbx_completion(vha, MSW(stat));
221 status |= MBX_INTERRUPT;
223 /* Release mailbox registers. */
224 WRT_REG_WORD(®->semaphore, 0);
228 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
229 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
230 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
231 qla2x00_async_event(vha, rsp, mb);
234 qla2x00_process_response_queue(rsp);
237 mb[0] = MBA_CMPLT_1_16BIT;
239 qla2x00_async_event(vha, rsp, mb);
242 mb[0] = MBA_SCSI_COMPLETION;
244 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
245 qla2x00_async_event(vha, rsp, mb);
248 ql_dbg(ql_dbg_async, vha, 0x5028,
249 "Unrecognized interrupt type (%d).\n", stat & 0xff);
252 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
253 RD_REG_WORD_RELAXED(®->hccr);
255 qla2x00_handle_mbx_completion(ha, status);
256 spin_unlock_irqrestore(&ha->hardware_lock, flags);
258 return (IRQ_HANDLED);
262 * qla2x00_mbx_completion() - Process mailbox command completions.
263 * @ha: SCSI driver HA context
264 * @mb0: Mailbox0 register
267 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
271 uint16_t __iomem *wptr;
272 struct qla_hw_data *ha = vha->hw;
273 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
275 /* Read all mbox registers? */
276 mboxes = (1 << ha->mbx_count) - 1;
278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
280 mboxes = ha->mcp->in_mb;
282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
289 if (IS_QLA2200(ha) && cnt == 8)
290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
293 else if (mboxes & BIT_0)
294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
312 /* Seed data -- mailbox1 -> mailbox7. */
313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)®24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)®82->mailbox_out[1];
320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
323 ql_dbg(ql_dbg_async, vha, 0x5021,
324 "Inter-Driver Communication %s -- "
325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
332 vha->hw->flags.idc_compl_status = 1;
333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
334 complete(&vha->hw->dcbx_comp);
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
369 #define QLA_LAST_SPEED 7
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
372 return link_speeds[0];
373 else if (speed == 0x13)
374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
376 return link_speeds[speed];
378 return link_speeds[LS_UNKNOWN];
382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
384 struct qla_hw_data *ha = vha->hw;
387 * 8200 AEN Interpretation:
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
438 "Not a fatal error, f/w has recovered "
440 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
441 ql_log(ql_log_fatal, vha, 0x5064,
442 "Recoverable Fatal error: Chip reset "
444 qla83xx_schedule_work(vha,
445 QLA83XX_NIC_CORE_RESET);
446 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
447 ql_log(ql_log_fatal, vha, 0x5065,
448 "Unrecoverable Fatal error: Set FAILED "
449 "state, reboot required.\n");
450 qla83xx_schedule_work(vha,
451 QLA83XX_NIC_CORE_UNRECOVERABLE);
455 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
456 uint16_t peg_fw_state, nw_interface_link_up;
457 uint16_t nw_interface_signal_detect, sfp_status;
458 uint16_t htbt_counter, htbt_monitor_enable;
459 uint16_t sfp_additonal_info, sfp_multirate;
460 uint16_t sfp_tx_fault, link_speed, dcbx_status;
463 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
464 * - PEG-to-FC Status Register:
465 * (LSW = mb[2], MSW = mb[6])
466 * Bits 0-7 = Peg-Firmware state
467 * Bit 8 = N/W Interface Link-up
468 * Bit 9 = N/W Interface signal detected
469 * Bits 10-11 = SFP Status
470 * SFP Status 0x0 = SFP+ transceiver not expected
471 * SFP Status 0x1 = SFP+ transceiver not present
472 * SFP Status 0x2 = SFP+ transceiver invalid
473 * SFP Status 0x3 = SFP+ transceiver present and
475 * Bits 12-14 = Heartbeat Counter
476 * Bit 15 = Heartbeat Monitor Enable
477 * Bits 16-17 = SFP Additional Info
478 * SFP info 0x0 = Unregocnized transceiver for
480 * SFP info 0x1 = SFP+ brand validation failed
481 * SFP info 0x2 = SFP+ speed validation failed
482 * SFP info 0x3 = SFP+ access error
483 * Bit 18 = SFP Multirate
484 * Bit 19 = SFP Tx Fault
485 * Bits 20-22 = Link Speed
486 * Bits 23-27 = Reserved
487 * Bits 28-30 = DCBX Status
488 * DCBX Status 0x0 = DCBX Disabled
489 * DCBX Status 0x1 = DCBX Enabled
490 * DCBX Status 0x2 = DCBX Exchange error
493 peg_fw_state = (mb[2] & 0x00ff);
494 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
495 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
496 sfp_status = ((mb[2] & 0x0c00) >> 10);
497 htbt_counter = ((mb[2] & 0x7000) >> 12);
498 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
499 sfp_additonal_info = (mb[6] & 0x0003);
500 sfp_multirate = ((mb[6] & 0x0004) >> 2);
501 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
502 link_speed = ((mb[6] & 0x0070) >> 4);
503 dcbx_status = ((mb[6] & 0x7000) >> 12);
505 ql_log(ql_log_warn, vha, 0x5066,
506 "Peg-to-Fc Status Register:\n"
507 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
508 "nw_interface_signal_detect=0x%x"
509 "\nsfp_statis=0x%x.\n ", peg_fw_state,
510 nw_interface_link_up, nw_interface_signal_detect,
512 ql_log(ql_log_warn, vha, 0x5067,
513 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
514 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
515 htbt_counter, htbt_monitor_enable,
516 sfp_additonal_info, sfp_multirate);
517 ql_log(ql_log_warn, vha, 0x5068,
518 "sfp_tx_fault=0x%x, link_state=0x%x, "
519 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
522 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
525 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
526 ql_log(ql_log_warn, vha, 0x5069,
527 "Heartbeat Failure encountered, chip reset "
530 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
534 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
535 ql_log(ql_log_info, vha, 0x506a,
536 "IDC Device-State changed = 0x%x.\n", mb[4]);
537 if (ha->flags.nic_core_reset_owner)
539 qla83xx_schedule_work(vha, MBA_IDC_AEN);
544 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
546 struct qla_hw_data *ha = vha->hw;
555 spin_lock_irqsave(&ha->vport_slock, flags);
556 list_for_each_entry(vp, &ha->vp_list, list) {
557 vp_did = vp->d_id.b24;
558 if (vp_did == rscn_entry) {
563 spin_unlock_irqrestore(&ha->vport_slock, flags);
568 static inline fc_port_t *
569 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
573 list_for_each_entry(fcport, &vha->vp_fcports, list)
574 if (fcport->loop_id == loop_id)
580 * qla2x00_async_event() - Process aynchronous events.
581 * @ha: SCSI driver HA context
582 * @mb: Mailbox registers (0 - 3)
585 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
590 struct qla_hw_data *ha = vha->hw;
591 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
592 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
593 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
594 uint32_t rscn_entry, host_pid;
596 fc_port_t *fcport = NULL;
598 /* Setup to process RIO completion. */
600 if (IS_CNA_CAPABLE(ha))
603 case MBA_SCSI_COMPLETION:
604 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
607 case MBA_CMPLT_1_16BIT:
610 mb[0] = MBA_SCSI_COMPLETION;
612 case MBA_CMPLT_2_16BIT:
616 mb[0] = MBA_SCSI_COMPLETION;
618 case MBA_CMPLT_3_16BIT:
623 mb[0] = MBA_SCSI_COMPLETION;
625 case MBA_CMPLT_4_16BIT:
629 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
631 mb[0] = MBA_SCSI_COMPLETION;
633 case MBA_CMPLT_5_16BIT:
637 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
638 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
640 mb[0] = MBA_SCSI_COMPLETION;
642 case MBA_CMPLT_2_32BIT:
643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
644 handles[1] = le32_to_cpu(
645 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
646 RD_MAILBOX_REG(ha, reg, 6));
648 mb[0] = MBA_SCSI_COMPLETION;
655 case MBA_SCSI_COMPLETION: /* Fast Post */
656 if (!vha->flags.online)
659 for (cnt = 0; cnt < handle_cnt; cnt++)
660 qla2x00_process_completed_request(vha, rsp->req,
664 case MBA_RESET: /* Reset */
665 ql_dbg(ql_dbg_async, vha, 0x5002,
666 "Asynchronous RESET.\n");
668 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
671 case MBA_SYSTEM_ERR: /* System Error */
672 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
673 RD_REG_WORD(®24->mailbox7) : 0;
674 ql_log(ql_log_warn, vha, 0x5003,
675 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
676 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
678 ha->isp_ops->fw_dump(vha, 1);
680 if (IS_FWI2_CAPABLE(ha)) {
681 if (mb[1] == 0 && mb[2] == 0) {
682 ql_log(ql_log_fatal, vha, 0x5004,
683 "Unrecoverable Hardware Error: adapter "
684 "marked OFFLINE!\n");
685 vha->flags.online = 0;
686 vha->device_flags |= DFLG_DEV_FAILED;
688 /* Check to see if MPI timeout occurred */
689 if ((mbx & MBX_3) && (ha->port_no == 0))
690 set_bit(MPI_RESET_NEEDED,
693 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
695 } else if (mb[1] == 0) {
696 ql_log(ql_log_fatal, vha, 0x5005,
697 "Unrecoverable Hardware Error: adapter marked "
699 vha->flags.online = 0;
700 vha->device_flags |= DFLG_DEV_FAILED;
702 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
705 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
706 ql_log(ql_log_warn, vha, 0x5006,
707 "ISP Request Transfer Error (%x).\n", mb[1]);
709 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
712 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
713 ql_log(ql_log_warn, vha, 0x5007,
714 "ISP Response Transfer Error (%x).\n", mb[1]);
716 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
719 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
720 ql_dbg(ql_dbg_async, vha, 0x5008,
721 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
724 case MBA_LOOP_INIT_ERR:
725 ql_log(ql_log_warn, vha, 0x5090,
726 "LOOP INIT ERROR (%x).\n", mb[1]);
727 ha->isp_ops->fw_dump(vha, 1);
728 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
731 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
732 ql_dbg(ql_dbg_async, vha, 0x5009,
733 "LIP occurred (%x).\n", mb[1]);
735 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
736 atomic_set(&vha->loop_state, LOOP_DOWN);
737 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
738 qla2x00_mark_all_devices_lost(vha, 1);
742 atomic_set(&vha->vp_state, VP_FAILED);
743 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
746 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
747 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
749 vha->flags.management_server_logged_in = 0;
750 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
753 case MBA_LOOP_UP: /* Loop Up Event */
754 if (IS_QLA2100(ha) || IS_QLA2200(ha))
755 ha->link_data_rate = PORT_SPEED_1GB;
757 ha->link_data_rate = mb[1];
759 ql_log(ql_log_info, vha, 0x500a,
760 "LOOP UP detected (%s Gbps).\n",
761 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
763 vha->flags.management_server_logged_in = 0;
764 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
767 case MBA_LOOP_DOWN: /* Loop Down Event */
768 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
769 ? RD_REG_WORD(®24->mailbox4) : 0;
770 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
772 ql_log(ql_log_info, vha, 0x500b,
773 "LOOP DOWN detected (%x %x %x %x).\n",
774 mb[1], mb[2], mb[3], mbx);
776 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
777 atomic_set(&vha->loop_state, LOOP_DOWN);
778 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
780 * In case of loop down, restore WWPN from
781 * NVRAM in case of FA-WWPN capable ISP
782 * Restore for Physical Port only
785 if (ha->flags.fawwpn_enabled) {
786 void *wwpn = ha->init_cb->port_name;
787 memcpy(vha->port_name, wwpn, WWN_SIZE);
788 fc_host_port_name(vha->host) =
789 wwn_to_u64(vha->port_name);
790 ql_dbg(ql_dbg_init + ql_dbg_verbose,
791 vha, 0x0144, "LOOP DOWN detected,"
792 "restore WWPN %016llx\n",
793 wwn_to_u64(vha->port_name));
796 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
799 vha->device_flags |= DFLG_NO_CABLE;
800 qla2x00_mark_all_devices_lost(vha, 1);
804 atomic_set(&vha->vp_state, VP_FAILED);
805 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
808 vha->flags.management_server_logged_in = 0;
809 ha->link_data_rate = PORT_SPEED_UNKNOWN;
810 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
813 case MBA_LIP_RESET: /* LIP reset occurred */
814 ql_dbg(ql_dbg_async, vha, 0x500c,
815 "LIP reset occurred (%x).\n", mb[1]);
817 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
818 atomic_set(&vha->loop_state, LOOP_DOWN);
819 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
820 qla2x00_mark_all_devices_lost(vha, 1);
824 atomic_set(&vha->vp_state, VP_FAILED);
825 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
828 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
830 ha->operating_mode = LOOP;
831 vha->flags.management_server_logged_in = 0;
832 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
835 /* case MBA_DCBX_COMPLETE: */
836 case MBA_POINT_TO_POINT: /* Point-to-Point */
840 if (IS_CNA_CAPABLE(ha)) {
841 ql_dbg(ql_dbg_async, vha, 0x500d,
842 "DCBX Completed -- %04x %04x %04x.\n",
843 mb[1], mb[2], mb[3]);
844 if (ha->notify_dcbx_comp && !vha->vp_idx)
845 complete(&ha->dcbx_comp);
848 ql_dbg(ql_dbg_async, vha, 0x500e,
849 "Asynchronous P2P MODE received.\n");
852 * Until there's a transition from loop down to loop up, treat
853 * this as loop down only.
855 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
856 atomic_set(&vha->loop_state, LOOP_DOWN);
857 if (!atomic_read(&vha->loop_down_timer))
858 atomic_set(&vha->loop_down_timer,
860 qla2x00_mark_all_devices_lost(vha, 1);
864 atomic_set(&vha->vp_state, VP_FAILED);
865 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
868 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
869 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
871 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
872 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
874 ha->flags.gpsc_supported = 1;
875 vha->flags.management_server_logged_in = 0;
878 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
882 ql_dbg(ql_dbg_async, vha, 0x500f,
883 "Configuration change detected: value=%x.\n", mb[1]);
885 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
886 atomic_set(&vha->loop_state, LOOP_DOWN);
887 if (!atomic_read(&vha->loop_down_timer))
888 atomic_set(&vha->loop_down_timer,
890 qla2x00_mark_all_devices_lost(vha, 1);
894 atomic_set(&vha->vp_state, VP_FAILED);
895 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
898 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
899 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
902 case MBA_PORT_UPDATE: /* Port database update */
904 * Handle only global and vn-port update events
907 * mb[1] = N_Port handle of changed port
908 * OR 0xffff for global event
909 * mb[2] = New login state
910 * 7 = Port logged out
911 * mb[3] = LSB is vp_idx, 0xff = all vps
913 * Skip processing if:
914 * Event is global, vp_idx is NOT all vps,
915 * vp_idx does not match
916 * Event is not global, vp_idx does not match
918 if (IS_QLA2XXX_MIDTYPE(ha) &&
919 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
920 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
924 ql_dbg(ql_dbg_async, vha, 0x5010,
925 "Port %s %04x %04x %04x.\n",
926 mb[1] == 0xffff ? "unavailable" : "logout",
927 mb[1], mb[2], mb[3]);
930 goto global_port_update;
933 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
936 if (atomic_read(&fcport->state) != FCS_ONLINE)
938 ql_dbg(ql_dbg_async, vha, 0x508a,
939 "Marking port lost loopid=%04x portid=%06x.\n",
940 fcport->loop_id, fcport->d_id.b24);
941 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
945 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
946 atomic_set(&vha->loop_state, LOOP_DOWN);
947 atomic_set(&vha->loop_down_timer,
949 vha->device_flags |= DFLG_NO_CABLE;
950 qla2x00_mark_all_devices_lost(vha, 1);
954 atomic_set(&vha->vp_state, VP_FAILED);
955 fc_vport_set_state(vha->fc_vport,
957 qla2x00_mark_all_devices_lost(vha, 1);
960 vha->flags.management_server_logged_in = 0;
961 ha->link_data_rate = PORT_SPEED_UNKNOWN;
966 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
967 * event etc. earlier indicating loop is down) then process
968 * it. Otherwise ignore it and Wait for RSCN to come in.
970 atomic_set(&vha->loop_down_timer, 0);
971 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
972 atomic_read(&vha->loop_state) != LOOP_DEAD) {
973 ql_dbg(ql_dbg_async, vha, 0x5011,
974 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
975 mb[1], mb[2], mb[3]);
977 qlt_async_event(mb[0], vha, mb);
981 ql_dbg(ql_dbg_async, vha, 0x5012,
982 "Port database changed %04x %04x %04x.\n",
983 mb[1], mb[2], mb[3]);
986 * Mark all devices as missing so we will login again.
988 atomic_set(&vha->loop_state, LOOP_UP);
990 qla2x00_mark_all_devices_lost(vha, 1);
992 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
993 set_bit(SCR_PENDING, &vha->dpc_flags);
995 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
996 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
997 set_bit(VP_CONFIG_OK, &vha->vp_flags);
999 qlt_async_event(mb[0], vha, mb);
1002 case MBA_RSCN_UPDATE: /* State Change Registration */
1003 /* Check if the Vport has issued a SCR */
1004 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1006 /* Only handle SCNs for our Vport index. */
1007 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1010 ql_dbg(ql_dbg_async, vha, 0x5013,
1011 "RSCN database changed -- %04x %04x %04x.\n",
1012 mb[1], mb[2], mb[3]);
1014 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1015 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1016 | vha->d_id.b.al_pa;
1017 if (rscn_entry == host_pid) {
1018 ql_dbg(ql_dbg_async, vha, 0x5014,
1019 "Ignoring RSCN update to local host "
1020 "port ID (%06x).\n", host_pid);
1024 /* Ignore reserved bits from RSCN-payload. */
1025 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1027 /* Skip RSCNs for virtual ports on the same physical port */
1028 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1032 * Search for the rport related to this RSCN entry and mark it
1035 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1036 if (atomic_read(&fcport->state) != FCS_ONLINE)
1038 if (fcport->d_id.b24 == rscn_entry) {
1039 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1044 atomic_set(&vha->loop_down_timer, 0);
1045 vha->flags.management_server_logged_in = 0;
1047 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1048 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1049 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1052 /* case MBA_RIO_RESPONSE: */
1053 case MBA_ZIO_RESPONSE:
1054 ql_dbg(ql_dbg_async, vha, 0x5015,
1055 "[R|Z]IO update completion.\n");
1057 if (IS_FWI2_CAPABLE(ha))
1058 qla24xx_process_response_queue(vha, rsp);
1060 qla2x00_process_response_queue(rsp);
1063 case MBA_DISCARD_RND_FRAME:
1064 ql_dbg(ql_dbg_async, vha, 0x5016,
1065 "Discard RND Frame -- %04x %04x %04x.\n",
1066 mb[1], mb[2], mb[3]);
1069 case MBA_TRACE_NOTIFICATION:
1070 ql_dbg(ql_dbg_async, vha, 0x5017,
1071 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1074 case MBA_ISP84XX_ALERT:
1075 ql_dbg(ql_dbg_async, vha, 0x5018,
1076 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1077 mb[1], mb[2], mb[3]);
1079 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1081 case A84_PANIC_RECOVERY:
1082 ql_log(ql_log_info, vha, 0x5019,
1083 "Alert 84XX: panic recovery %04x %04x.\n",
1086 case A84_OP_LOGIN_COMPLETE:
1087 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1088 ql_log(ql_log_info, vha, 0x501a,
1089 "Alert 84XX: firmware version %x.\n",
1090 ha->cs84xx->op_fw_version);
1092 case A84_DIAG_LOGIN_COMPLETE:
1093 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1094 ql_log(ql_log_info, vha, 0x501b,
1095 "Alert 84XX: diagnostic firmware version %x.\n",
1096 ha->cs84xx->diag_fw_version);
1098 case A84_GOLD_LOGIN_COMPLETE:
1099 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1100 ha->cs84xx->fw_update = 1;
1101 ql_log(ql_log_info, vha, 0x501c,
1102 "Alert 84XX: gold firmware version %x.\n",
1103 ha->cs84xx->gold_fw_version);
1106 ql_log(ql_log_warn, vha, 0x501d,
1107 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1108 mb[1], mb[2], mb[3]);
1110 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1112 case MBA_DCBX_START:
1113 ql_dbg(ql_dbg_async, vha, 0x501e,
1114 "DCBX Started -- %04x %04x %04x.\n",
1115 mb[1], mb[2], mb[3]);
1117 case MBA_DCBX_PARAM_UPDATE:
1118 ql_dbg(ql_dbg_async, vha, 0x501f,
1119 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1120 mb[1], mb[2], mb[3]);
1122 case MBA_FCF_CONF_ERR:
1123 ql_dbg(ql_dbg_async, vha, 0x5020,
1124 "FCF Configuration Error -- %04x %04x %04x.\n",
1125 mb[1], mb[2], mb[3]);
1127 case MBA_IDC_NOTIFY:
1128 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1129 mb[4] = RD_REG_WORD(®24->mailbox4);
1130 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1131 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1132 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1133 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1135 * Extend loop down timer since port is active.
1137 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1138 atomic_set(&vha->loop_down_timer,
1140 qla2xxx_wake_dpc(vha);
1143 case MBA_IDC_COMPLETE:
1144 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1145 complete(&ha->lb_portup_comp);
1147 case MBA_IDC_TIME_EXT:
1148 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1150 qla81xx_idc_event(vha, mb[0], mb[1]);
1154 mb[4] = RD_REG_WORD(®24->mailbox4);
1155 mb[5] = RD_REG_WORD(®24->mailbox5);
1156 mb[6] = RD_REG_WORD(®24->mailbox6);
1157 mb[7] = RD_REG_WORD(®24->mailbox7);
1158 qla83xx_handle_8200_aen(vha, mb);
1161 case MBA_DPORT_DIAGNOSTICS:
1162 ql_dbg(ql_dbg_async, vha, 0x5052,
1163 "D-Port Diagnostics: %04x result=%s\n",
1165 mb[1] == 0 ? "start" :
1166 mb[1] == 1 ? "done (pass)" :
1167 mb[1] == 2 ? "done (error)" : "other");
1170 case MBA_TEMPERATURE_ALERT:
1171 ql_dbg(ql_dbg_async, vha, 0x505e,
1172 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1174 schedule_work(&ha->board_disable);
1178 ql_dbg(ql_dbg_async, vha, 0x5057,
1179 "Unknown AEN:%04x %04x %04x %04x\n",
1180 mb[0], mb[1], mb[2], mb[3]);
1183 qlt_async_event(mb[0], vha, mb);
1185 if (!vha->vp_idx && ha->num_vhosts)
1186 qla2x00_alert_all_vps(rsp, mb);
1190 * qla2x00_process_completed_request() - Process a Fast Post response.
1191 * @ha: SCSI driver HA context
1195 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1196 struct req_que *req, uint32_t index)
1199 struct qla_hw_data *ha = vha->hw;
1201 /* Validate handle. */
1202 if (index >= req->num_outstanding_cmds) {
1203 ql_log(ql_log_warn, vha, 0x3014,
1204 "Invalid SCSI command index (%x).\n", index);
1206 if (IS_P3P_TYPE(ha))
1207 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1213 sp = req->outstanding_cmds[index];
1215 /* Free outstanding command slot. */
1216 req->outstanding_cmds[index] = NULL;
1218 /* Save ISP completion status */
1219 sp->done(ha, sp, DID_OK << 16);
1221 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1223 if (IS_P3P_TYPE(ha))
1224 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1226 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1231 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1232 struct req_que *req, void *iocb)
1234 struct qla_hw_data *ha = vha->hw;
1235 sts_entry_t *pkt = iocb;
1239 index = LSW(pkt->handle);
1240 if (index >= req->num_outstanding_cmds) {
1241 ql_log(ql_log_warn, vha, 0x5031,
1242 "Invalid command index (%x).\n", index);
1243 if (IS_P3P_TYPE(ha))
1244 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1246 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1249 sp = req->outstanding_cmds[index];
1251 ql_log(ql_log_warn, vha, 0x5032,
1252 "Invalid completion handle (%x) -- timed-out.\n", index);
1255 if (sp->handle != index) {
1256 ql_log(ql_log_warn, vha, 0x5033,
1257 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1261 req->outstanding_cmds[index] = NULL;
1268 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1269 struct mbx_entry *mbx)
1271 const char func[] = "MBX-IOCB";
1275 struct srb_iocb *lio;
1279 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1283 lio = &sp->u.iocb_cmd;
1285 fcport = sp->fcport;
1286 data = lio->u.logio.data;
1288 data[0] = MBS_COMMAND_ERROR;
1289 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1290 QLA_LOGIO_LOGIN_RETRIED : 0;
1291 if (mbx->entry_status) {
1292 ql_dbg(ql_dbg_async, vha, 0x5043,
1293 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1294 "entry-status=%x status=%x state-flag=%x "
1295 "status-flags=%x.\n", type, sp->handle,
1296 fcport->d_id.b.domain, fcport->d_id.b.area,
1297 fcport->d_id.b.al_pa, mbx->entry_status,
1298 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1299 le16_to_cpu(mbx->status_flags));
1301 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1302 (uint8_t *)mbx, sizeof(*mbx));
1307 status = le16_to_cpu(mbx->status);
1308 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1309 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1311 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1312 ql_dbg(ql_dbg_async, vha, 0x5045,
1313 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1314 type, sp->handle, fcport->d_id.b.domain,
1315 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1316 le16_to_cpu(mbx->mb1));
1318 data[0] = MBS_COMMAND_COMPLETE;
1319 if (sp->type == SRB_LOGIN_CMD) {
1320 fcport->port_type = FCT_TARGET;
1321 if (le16_to_cpu(mbx->mb1) & BIT_0)
1322 fcport->port_type = FCT_INITIATOR;
1323 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1324 fcport->flags |= FCF_FCP2_DEVICE;
1329 data[0] = le16_to_cpu(mbx->mb0);
1331 case MBS_PORT_ID_USED:
1332 data[1] = le16_to_cpu(mbx->mb1);
1334 case MBS_LOOP_ID_USED:
1337 data[0] = MBS_COMMAND_ERROR;
1341 ql_log(ql_log_warn, vha, 0x5046,
1342 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1343 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1344 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1345 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1346 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1347 le16_to_cpu(mbx->mb7));
1350 sp->done(vha, sp, 0);
1354 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1355 sts_entry_t *pkt, int iocb_type)
1357 const char func[] = "CT_IOCB";
1360 struct bsg_job *bsg_job;
1361 struct fc_bsg_reply *bsg_reply;
1362 uint16_t comp_status;
1365 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1369 bsg_job = sp->u.bsg_job;
1370 bsg_reply = bsg_job->reply;
1372 type = "ct pass-through";
1374 comp_status = le16_to_cpu(pkt->comp_status);
1376 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1377 * fc payload to the caller
1379 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1380 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1382 if (comp_status != CS_COMPLETE) {
1383 if (comp_status == CS_DATA_UNDERRUN) {
1385 bsg_reply->reply_payload_rcv_len =
1386 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1388 ql_log(ql_log_warn, vha, 0x5048,
1389 "CT pass-through-%s error "
1390 "comp_status-status=0x%x total_byte = 0x%x.\n",
1392 bsg_reply->reply_payload_rcv_len);
1394 ql_log(ql_log_warn, vha, 0x5049,
1395 "CT pass-through-%s error "
1396 "comp_status-status=0x%x.\n", type, comp_status);
1397 res = DID_ERROR << 16;
1398 bsg_reply->reply_payload_rcv_len = 0;
1400 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1401 (uint8_t *)pkt, sizeof(*pkt));
1404 bsg_reply->reply_payload_rcv_len =
1405 bsg_job->reply_payload.payload_len;
1406 bsg_job->reply_len = 0;
1409 sp->done(vha, sp, res);
1413 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1414 struct sts_entry_24xx *pkt, int iocb_type)
1416 const char func[] = "ELS_CT_IOCB";
1419 struct bsg_job *bsg_job;
1420 struct fc_bsg_reply *bsg_reply;
1421 uint16_t comp_status;
1422 uint32_t fw_status[3];
1423 uint8_t* fw_sts_ptr;
1426 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1429 bsg_job = sp->u.bsg_job;
1430 bsg_reply = bsg_job->reply;
1434 case SRB_ELS_CMD_RPT:
1435 case SRB_ELS_CMD_HST:
1439 type = "ct pass-through";
1442 type = "Driver ELS logo";
1443 ql_dbg(ql_dbg_user, vha, 0x5047,
1444 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1445 sp->done(vha, sp, 0);
1448 ql_dbg(ql_dbg_user, vha, 0x503e,
1449 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1453 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1454 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1455 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1457 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1458 * fc payload to the caller
1460 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1461 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1463 if (comp_status != CS_COMPLETE) {
1464 if (comp_status == CS_DATA_UNDERRUN) {
1466 bsg_reply->reply_payload_rcv_len =
1467 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1469 ql_dbg(ql_dbg_user, vha, 0x503f,
1470 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1471 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1472 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1473 le16_to_cpu(((struct els_sts_entry_24xx *)
1474 pkt)->total_byte_count));
1475 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1476 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1479 ql_dbg(ql_dbg_user, vha, 0x5040,
1480 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1481 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1482 type, sp->handle, comp_status,
1483 le16_to_cpu(((struct els_sts_entry_24xx *)
1484 pkt)->error_subcode_1),
1485 le16_to_cpu(((struct els_sts_entry_24xx *)
1486 pkt)->error_subcode_2));
1487 res = DID_ERROR << 16;
1488 bsg_reply->reply_payload_rcv_len = 0;
1489 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1490 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1492 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1493 (uint8_t *)pkt, sizeof(*pkt));
1497 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1498 bsg_job->reply_len = 0;
1501 sp->done(vha, sp, res);
1505 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1506 struct logio_entry_24xx *logio)
1508 const char func[] = "LOGIO-IOCB";
1512 struct srb_iocb *lio;
1516 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1520 lio = &sp->u.iocb_cmd;
1522 fcport = sp->fcport;
1523 data = lio->u.logio.data;
1525 data[0] = MBS_COMMAND_ERROR;
1526 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1527 QLA_LOGIO_LOGIN_RETRIED : 0;
1528 if (logio->entry_status) {
1529 ql_log(ql_log_warn, fcport->vha, 0x5034,
1530 "Async-%s error entry - hdl=%x"
1531 "portid=%02x%02x%02x entry-status=%x.\n",
1532 type, sp->handle, fcport->d_id.b.domain,
1533 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1534 logio->entry_status);
1535 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1536 (uint8_t *)logio, sizeof(*logio));
1541 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1542 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1543 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1544 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1545 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1546 le32_to_cpu(logio->io_parameter[0]));
1548 data[0] = MBS_COMMAND_COMPLETE;
1549 if (sp->type != SRB_LOGIN_CMD)
1552 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1553 if (iop[0] & BIT_4) {
1554 fcport->port_type = FCT_TARGET;
1556 fcport->flags |= FCF_FCP2_DEVICE;
1557 } else if (iop[0] & BIT_5)
1558 fcport->port_type = FCT_INITIATOR;
1561 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1563 if (logio->io_parameter[7] || logio->io_parameter[8])
1564 fcport->supported_classes |= FC_COS_CLASS2;
1565 if (logio->io_parameter[9] || logio->io_parameter[10])
1566 fcport->supported_classes |= FC_COS_CLASS3;
1571 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1572 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1574 case LSC_SCODE_PORTID_USED:
1575 data[0] = MBS_PORT_ID_USED;
1576 data[1] = LSW(iop[1]);
1578 case LSC_SCODE_NPORT_USED:
1579 data[0] = MBS_LOOP_ID_USED;
1582 data[0] = MBS_COMMAND_ERROR;
1586 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1587 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1588 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1589 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1590 le16_to_cpu(logio->comp_status),
1591 le32_to_cpu(logio->io_parameter[0]),
1592 le32_to_cpu(logio->io_parameter[1]));
1595 sp->done(vha, sp, 0);
1599 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1601 const char func[] = "TMF-IOCB";
1605 struct srb_iocb *iocb;
1606 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1608 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1612 iocb = &sp->u.iocb_cmd;
1614 fcport = sp->fcport;
1615 iocb->u.tmf.data = QLA_SUCCESS;
1617 if (sts->entry_status) {
1618 ql_log(ql_log_warn, fcport->vha, 0x5038,
1619 "Async-%s error - hdl=%x entry-status(%x).\n",
1620 type, sp->handle, sts->entry_status);
1621 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1622 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1623 ql_log(ql_log_warn, fcport->vha, 0x5039,
1624 "Async-%s error - hdl=%x completion status(%x).\n",
1625 type, sp->handle, sts->comp_status);
1626 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1627 } else if ((le16_to_cpu(sts->scsi_status) &
1628 SS_RESPONSE_INFO_LEN_VALID)) {
1629 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1630 ql_log(ql_log_warn, fcport->vha, 0x503b,
1631 "Async-%s error - hdl=%x not enough response(%d).\n",
1632 type, sp->handle, sts->rsp_data_len);
1633 } else if (sts->data[3]) {
1634 ql_log(ql_log_warn, fcport->vha, 0x503c,
1635 "Async-%s error - hdl=%x response(%x).\n",
1636 type, sp->handle, sts->data[3]);
1637 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1641 if (iocb->u.tmf.data != QLA_SUCCESS)
1642 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1643 (uint8_t *)sts, sizeof(*sts));
1645 sp->done(vha, sp, 0);
1649 * qla2x00_process_response_queue() - Process response queue entries.
1650 * @ha: SCSI driver HA context
1653 qla2x00_process_response_queue(struct rsp_que *rsp)
1655 struct scsi_qla_host *vha;
1656 struct qla_hw_data *ha = rsp->hw;
1657 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1659 uint16_t handle_cnt;
1662 vha = pci_get_drvdata(ha->pdev);
1664 if (!vha->flags.online)
1667 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1668 pkt = (sts_entry_t *)rsp->ring_ptr;
1671 if (rsp->ring_index == rsp->length) {
1672 rsp->ring_index = 0;
1673 rsp->ring_ptr = rsp->ring;
1678 if (pkt->entry_status != 0) {
1679 qla2x00_error_entry(vha, rsp, pkt);
1680 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1685 switch (pkt->entry_type) {
1687 qla2x00_status_entry(vha, rsp, pkt);
1689 case STATUS_TYPE_21:
1690 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1691 for (cnt = 0; cnt < handle_cnt; cnt++) {
1692 qla2x00_process_completed_request(vha, rsp->req,
1693 ((sts21_entry_t *)pkt)->handle[cnt]);
1696 case STATUS_TYPE_22:
1697 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1698 for (cnt = 0; cnt < handle_cnt; cnt++) {
1699 qla2x00_process_completed_request(vha, rsp->req,
1700 ((sts22_entry_t *)pkt)->handle[cnt]);
1703 case STATUS_CONT_TYPE:
1704 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1707 qla2x00_mbx_iocb_entry(vha, rsp->req,
1708 (struct mbx_entry *)pkt);
1711 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1714 /* Type Not Supported. */
1715 ql_log(ql_log_warn, vha, 0x504a,
1716 "Received unknown response pkt type %x "
1717 "entry status=%x.\n",
1718 pkt->entry_type, pkt->entry_status);
1721 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1725 /* Adjust ring index */
1726 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1730 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
1731 uint32_t sense_len, struct rsp_que *rsp, int res)
1733 struct scsi_qla_host *vha = sp->fcport->vha;
1734 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1735 uint32_t track_sense_len;
1737 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1738 sense_len = SCSI_SENSE_BUFFERSIZE;
1740 SET_CMD_SENSE_LEN(sp, sense_len);
1741 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1742 track_sense_len = sense_len;
1744 if (sense_len > par_sense_len)
1745 sense_len = par_sense_len;
1747 memcpy(cp->sense_buffer, sense_data, sense_len);
1749 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1750 track_sense_len -= sense_len;
1751 SET_CMD_SENSE_LEN(sp, track_sense_len);
1753 if (track_sense_len != 0) {
1754 rsp->status_srb = sp;
1759 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1760 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
1761 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1763 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1764 cp->sense_buffer, sense_len);
1768 struct scsi_dif_tuple {
1769 __be16 guard; /* Checksum */
1770 __be16 app_tag; /* APPL identifier */
1771 __be32 ref_tag; /* Target LBA or indirect LBA */
1775 * Checks the guard or meta-data for the type of error
1776 * detected by the HBA. In case of errors, we set the
1777 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1778 * to indicate to the kernel that the HBA detected error.
1781 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1783 struct scsi_qla_host *vha = sp->fcport->vha;
1784 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1785 uint8_t *ap = &sts24->data[12];
1786 uint8_t *ep = &sts24->data[20];
1787 uint32_t e_ref_tag, a_ref_tag;
1788 uint16_t e_app_tag, a_app_tag;
1789 uint16_t e_guard, a_guard;
1792 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1793 * would make guard field appear at offset 2
1795 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1796 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1797 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1798 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1799 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1800 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
1802 ql_dbg(ql_dbg_io, vha, 0x3023,
1803 "iocb(s) %p Returned STATUS.\n", sts24);
1805 ql_dbg(ql_dbg_io, vha, 0x3024,
1806 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
1807 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
1808 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
1809 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
1810 a_app_tag, e_app_tag, a_guard, e_guard);
1814 * For type 3: ref & app tag is all 'f's
1815 * For type 0,1,2: app tag is all 'f's
1817 if ((a_app_tag == 0xffff) &&
1818 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1819 (a_ref_tag == 0xffffffff))) {
1820 uint32_t blocks_done, resid;
1821 sector_t lba_s = scsi_get_lba(cmd);
1823 /* 2TB boundary case covered automatically with this */
1824 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1826 resid = scsi_bufflen(cmd) - (blocks_done *
1827 cmd->device->sector_size);
1829 scsi_set_resid(cmd, resid);
1830 cmd->result = DID_OK << 16;
1832 /* Update protection tag */
1833 if (scsi_prot_sg_count(cmd)) {
1834 uint32_t i, j = 0, k = 0, num_ent;
1835 struct scatterlist *sg;
1836 struct t10_pi_tuple *spt;
1838 /* Patch the corresponding protection tags */
1839 scsi_for_each_prot_sg(cmd, sg,
1840 scsi_prot_sg_count(cmd), i) {
1841 num_ent = sg_dma_len(sg) / 8;
1842 if (k + num_ent < blocks_done) {
1846 j = blocks_done - k - 1;
1851 if (k != blocks_done) {
1852 ql_log(ql_log_warn, vha, 0x302f,
1853 "unexpected tag values tag:lba=%x:%llx)\n",
1854 e_ref_tag, (unsigned long long)lba_s);
1858 spt = page_address(sg_page(sg)) + sg->offset;
1861 spt->app_tag = 0xffff;
1862 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1863 spt->ref_tag = 0xffffffff;
1870 if (e_guard != a_guard) {
1871 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1873 set_driver_byte(cmd, DRIVER_SENSE);
1874 set_host_byte(cmd, DID_ABORT);
1875 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1880 if (e_ref_tag != a_ref_tag) {
1881 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1883 set_driver_byte(cmd, DRIVER_SENSE);
1884 set_host_byte(cmd, DID_ABORT);
1885 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1889 /* check appl tag */
1890 if (e_app_tag != a_app_tag) {
1891 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1893 set_driver_byte(cmd, DRIVER_SENSE);
1894 set_host_byte(cmd, DID_ABORT);
1895 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1903 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1904 struct req_que *req, uint32_t index)
1906 struct qla_hw_data *ha = vha->hw;
1908 uint16_t comp_status;
1909 uint16_t scsi_status;
1911 uint32_t rval = EXT_STATUS_OK;
1912 struct bsg_job *bsg_job = NULL;
1913 struct fc_bsg_request *bsg_request;
1914 struct fc_bsg_reply *bsg_reply;
1916 struct sts_entry_24xx *sts24;
1917 sts = (sts_entry_t *) pkt;
1918 sts24 = (struct sts_entry_24xx *) pkt;
1920 /* Validate handle. */
1921 if (index >= req->num_outstanding_cmds) {
1922 ql_log(ql_log_warn, vha, 0x70af,
1923 "Invalid SCSI completion handle 0x%x.\n", index);
1924 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1928 sp = req->outstanding_cmds[index];
1930 ql_log(ql_log_warn, vha, 0x70b0,
1931 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1934 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1938 /* Free outstanding command slot. */
1939 req->outstanding_cmds[index] = NULL;
1940 bsg_job = sp->u.bsg_job;
1941 bsg_request = bsg_job->request;
1942 bsg_reply = bsg_job->reply;
1944 if (IS_FWI2_CAPABLE(ha)) {
1945 comp_status = le16_to_cpu(sts24->comp_status);
1946 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1948 comp_status = le16_to_cpu(sts->comp_status);
1949 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1952 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
1953 switch (comp_status) {
1955 if (scsi_status == 0) {
1956 bsg_reply->reply_payload_rcv_len =
1957 bsg_job->reply_payload.payload_len;
1958 vha->qla_stats.input_bytes +=
1959 bsg_reply->reply_payload_rcv_len;
1960 vha->qla_stats.input_requests++;
1961 rval = EXT_STATUS_OK;
1965 case CS_DATA_OVERRUN:
1966 ql_dbg(ql_dbg_user, vha, 0x70b1,
1967 "Command completed with date overrun thread_id=%d\n",
1969 rval = EXT_STATUS_DATA_OVERRUN;
1972 case CS_DATA_UNDERRUN:
1973 ql_dbg(ql_dbg_user, vha, 0x70b2,
1974 "Command completed with date underrun thread_id=%d\n",
1976 rval = EXT_STATUS_DATA_UNDERRUN;
1978 case CS_BIDIR_RD_OVERRUN:
1979 ql_dbg(ql_dbg_user, vha, 0x70b3,
1980 "Command completed with read data overrun thread_id=%d\n",
1982 rval = EXT_STATUS_DATA_OVERRUN;
1985 case CS_BIDIR_RD_WR_OVERRUN:
1986 ql_dbg(ql_dbg_user, vha, 0x70b4,
1987 "Command completed with read and write data overrun "
1988 "thread_id=%d\n", thread_id);
1989 rval = EXT_STATUS_DATA_OVERRUN;
1992 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1993 ql_dbg(ql_dbg_user, vha, 0x70b5,
1994 "Command completed with read data over and write data "
1995 "underrun thread_id=%d\n", thread_id);
1996 rval = EXT_STATUS_DATA_OVERRUN;
1999 case CS_BIDIR_RD_UNDERRUN:
2000 ql_dbg(ql_dbg_user, vha, 0x70b6,
2001 "Command completed with read data data underrun "
2002 "thread_id=%d\n", thread_id);
2003 rval = EXT_STATUS_DATA_UNDERRUN;
2006 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2007 ql_dbg(ql_dbg_user, vha, 0x70b7,
2008 "Command completed with read data under and write data "
2009 "overrun thread_id=%d\n", thread_id);
2010 rval = EXT_STATUS_DATA_UNDERRUN;
2013 case CS_BIDIR_RD_WR_UNDERRUN:
2014 ql_dbg(ql_dbg_user, vha, 0x70b8,
2015 "Command completed with read and write data underrun "
2016 "thread_id=%d\n", thread_id);
2017 rval = EXT_STATUS_DATA_UNDERRUN;
2021 ql_dbg(ql_dbg_user, vha, 0x70b9,
2022 "Command completed with data DMA error thread_id=%d\n",
2024 rval = EXT_STATUS_DMA_ERR;
2028 ql_dbg(ql_dbg_user, vha, 0x70ba,
2029 "Command completed with timeout thread_id=%d\n",
2031 rval = EXT_STATUS_TIMEOUT;
2034 ql_dbg(ql_dbg_user, vha, 0x70bb,
2035 "Command completed with completion status=0x%x "
2036 "thread_id=%d\n", comp_status, thread_id);
2037 rval = EXT_STATUS_ERR;
2040 bsg_reply->reply_payload_rcv_len = 0;
2043 /* Return the vendor specific reply to API */
2044 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2045 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2046 /* Always return DID_OK, bsg will send the vendor specific response
2047 * in this case only */
2048 sp->done(vha, sp, (DID_OK << 6));
2053 * qla2x00_status_entry() - Process a Status IOCB entry.
2054 * @ha: SCSI driver HA context
2055 * @pkt: Entry pointer
2058 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2062 struct scsi_cmnd *cp;
2064 struct sts_entry_24xx *sts24;
2065 uint16_t comp_status;
2066 uint16_t scsi_status;
2068 uint8_t lscsi_status;
2070 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2072 uint8_t *rsp_info, *sense_data;
2073 struct qla_hw_data *ha = vha->hw;
2076 struct req_que *req;
2079 uint16_t state_flags = 0;
2080 uint16_t retry_delay = 0;
2082 sts = (sts_entry_t *) pkt;
2083 sts24 = (struct sts_entry_24xx *) pkt;
2084 if (IS_FWI2_CAPABLE(ha)) {
2085 comp_status = le16_to_cpu(sts24->comp_status);
2086 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2087 state_flags = le16_to_cpu(sts24->state_flags);
2089 comp_status = le16_to_cpu(sts->comp_status);
2090 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2092 handle = (uint32_t) LSW(sts->handle);
2093 que = MSW(sts->handle);
2094 req = ha->req_q_map[que];
2096 /* Check for invalid queue pointer */
2098 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2099 ql_dbg(ql_dbg_io, vha, 0x3059,
2100 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2101 "que=%u.\n", sts->handle, req, que);
2105 /* Validate handle. */
2106 if (handle < req->num_outstanding_cmds) {
2107 sp = req->outstanding_cmds[handle];
2109 ql_dbg(ql_dbg_io, vha, 0x3075,
2110 "%s(%ld): Already returned command for status handle (0x%x).\n",
2111 __func__, vha->host_no, sts->handle);
2115 ql_dbg(ql_dbg_io, vha, 0x3017,
2116 "Invalid status handle, out of range (0x%x).\n",
2119 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2120 if (IS_P3P_TYPE(ha))
2121 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2123 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2124 qla2xxx_wake_dpc(vha);
2129 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2130 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2134 /* Task Management completion. */
2135 if (sp->type == SRB_TM_CMD) {
2136 qla24xx_tm_iocb_entry(vha, req, pkt);
2140 /* Fast path completion. */
2141 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2142 qla2x00_process_completed_request(vha, req, handle);
2147 req->outstanding_cmds[handle] = NULL;
2148 cp = GET_CMD_SP(sp);
2150 ql_dbg(ql_dbg_io, vha, 0x3018,
2151 "Command already returned (0x%x/%p).\n",
2157 lscsi_status = scsi_status & STATUS_MASK;
2159 fcport = sp->fcport;
2162 sense_len = par_sense_len = rsp_info_len = resid_len =
2164 if (IS_FWI2_CAPABLE(ha)) {
2165 if (scsi_status & SS_SENSE_LEN_VALID)
2166 sense_len = le32_to_cpu(sts24->sense_len);
2167 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2168 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2169 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2170 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2171 if (comp_status == CS_DATA_UNDERRUN)
2172 fw_resid_len = le32_to_cpu(sts24->residual_len);
2173 rsp_info = sts24->data;
2174 sense_data = sts24->data;
2175 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2176 ox_id = le16_to_cpu(sts24->ox_id);
2177 par_sense_len = sizeof(sts24->data);
2178 /* Valid values of the retry delay timer are 0x1-0xffef */
2179 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2180 retry_delay = sts24->retry_delay;
2182 if (scsi_status & SS_SENSE_LEN_VALID)
2183 sense_len = le16_to_cpu(sts->req_sense_length);
2184 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2185 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2186 resid_len = le32_to_cpu(sts->residual_length);
2187 rsp_info = sts->rsp_info;
2188 sense_data = sts->req_sense_data;
2189 par_sense_len = sizeof(sts->req_sense_data);
2192 /* Check for any FCP transport errors. */
2193 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2194 /* Sense data lies beyond any FCP RESPONSE data. */
2195 if (IS_FWI2_CAPABLE(ha)) {
2196 sense_data += rsp_info_len;
2197 par_sense_len -= rsp_info_len;
2199 if (rsp_info_len > 3 && rsp_info[3]) {
2200 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2201 "FCP I/O protocol failure (0x%x/0x%x).\n",
2202 rsp_info_len, rsp_info[3]);
2204 res = DID_BUS_BUSY << 16;
2209 /* Check for overrun. */
2210 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2211 scsi_status & SS_RESIDUAL_OVER)
2212 comp_status = CS_DATA_OVERRUN;
2215 * Check retry_delay_timer value if we receive a busy or
2218 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2219 lscsi_status == SAM_STAT_BUSY)
2220 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2223 * Based on Host and scsi status generate status code for Linux
2225 switch (comp_status) {
2228 if (scsi_status == 0) {
2232 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2234 scsi_set_resid(cp, resid);
2236 if (!lscsi_status &&
2237 ((unsigned)(scsi_bufflen(cp) - resid) <
2239 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2240 "Mid-layer underflow "
2241 "detected (0x%x of 0x%x bytes).\n",
2242 resid, scsi_bufflen(cp));
2244 res = DID_ERROR << 16;
2248 res = DID_OK << 16 | lscsi_status;
2250 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2251 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2252 "QUEUE FULL detected.\n");
2256 if (lscsi_status != SS_CHECK_CONDITION)
2259 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2260 if (!(scsi_status & SS_SENSE_LEN_VALID))
2263 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2267 case CS_DATA_UNDERRUN:
2268 /* Use F/W calculated residual length. */
2269 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2270 scsi_set_resid(cp, resid);
2271 if (scsi_status & SS_RESIDUAL_UNDER) {
2272 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2273 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2274 "Dropped frame(s) detected "
2275 "(0x%x of 0x%x bytes).\n",
2276 resid, scsi_bufflen(cp));
2278 res = DID_ERROR << 16 | lscsi_status;
2279 goto check_scsi_status;
2282 if (!lscsi_status &&
2283 ((unsigned)(scsi_bufflen(cp) - resid) <
2285 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2286 "Mid-layer underflow "
2287 "detected (0x%x of 0x%x bytes).\n",
2288 resid, scsi_bufflen(cp));
2290 res = DID_ERROR << 16;
2293 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2294 lscsi_status != SAM_STAT_BUSY) {
2296 * scsi status of task set and busy are considered to be
2297 * task not completed.
2300 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2301 "Dropped frame(s) detected (0x%x "
2302 "of 0x%x bytes).\n", resid,
2305 res = DID_ERROR << 16 | lscsi_status;
2306 goto check_scsi_status;
2308 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2309 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2310 scsi_status, lscsi_status);
2313 res = DID_OK << 16 | lscsi_status;
2318 * Check to see if SCSI Status is non zero. If so report SCSI
2321 if (lscsi_status != 0) {
2322 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2323 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2324 "QUEUE FULL detected.\n");
2328 if (lscsi_status != SS_CHECK_CONDITION)
2331 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2332 if (!(scsi_status & SS_SENSE_LEN_VALID))
2335 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2336 sense_len, rsp, res);
2340 case CS_PORT_LOGGED_OUT:
2341 case CS_PORT_CONFIG_CHG:
2344 case CS_PORT_UNAVAILABLE:
2349 * We are going to have the fc class block the rport
2350 * while we try to recover so instruct the mid layer
2351 * to requeue until the class decides how to handle this.
2353 res = DID_TRANSPORT_DISRUPTED << 16;
2355 if (comp_status == CS_TIMEOUT) {
2356 if (IS_FWI2_CAPABLE(ha))
2358 else if ((le16_to_cpu(sts->status_flags) &
2359 SF_LOGOUT_SENT) == 0)
2363 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
2364 "Port to be marked lost on fcport=%02x%02x%02x, current "
2365 "port state= %s.\n", fcport->d_id.b.domain,
2366 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2367 port_state_str[atomic_read(&fcport->state)]);
2369 if (atomic_read(&fcport->state) == FCS_ONLINE)
2370 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2374 res = DID_RESET << 16;
2378 logit = qla2x00_handle_dif_error(sp, sts24);
2383 res = DID_ERROR << 16;
2385 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2388 if (state_flags & BIT_4)
2389 scmd_printk(KERN_WARNING, cp,
2390 "Unsupported device '%s' found.\n",
2391 cp->device->vendor);
2395 res = DID_ERROR << 16;
2401 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2402 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2403 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2404 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2405 comp_status, scsi_status, res, vha->host_no,
2406 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2407 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2408 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2409 resid_len, fw_resid_len, sp, cp);
2411 if (rsp->status_srb == NULL)
2412 sp->done(ha, sp, res);
2416 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2417 * @ha: SCSI driver HA context
2418 * @pkt: Entry pointer
2420 * Extended sense data.
2423 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2425 uint8_t sense_sz = 0;
2426 struct qla_hw_data *ha = rsp->hw;
2427 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2428 srb_t *sp = rsp->status_srb;
2429 struct scsi_cmnd *cp;
2433 if (!sp || !GET_CMD_SENSE_LEN(sp))
2436 sense_len = GET_CMD_SENSE_LEN(sp);
2437 sense_ptr = GET_CMD_SENSE_PTR(sp);
2439 cp = GET_CMD_SP(sp);
2441 ql_log(ql_log_warn, vha, 0x3025,
2442 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2444 rsp->status_srb = NULL;
2448 if (sense_len > sizeof(pkt->data))
2449 sense_sz = sizeof(pkt->data);
2451 sense_sz = sense_len;
2453 /* Move sense data. */
2454 if (IS_FWI2_CAPABLE(ha))
2455 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2456 memcpy(sense_ptr, pkt->data, sense_sz);
2457 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2458 sense_ptr, sense_sz);
2460 sense_len -= sense_sz;
2461 sense_ptr += sense_sz;
2463 SET_CMD_SENSE_PTR(sp, sense_ptr);
2464 SET_CMD_SENSE_LEN(sp, sense_len);
2466 /* Place command on done queue. */
2467 if (sense_len == 0) {
2468 rsp->status_srb = NULL;
2469 sp->done(ha, sp, cp->result);
2474 * qla2x00_error_entry() - Process an error entry.
2475 * @ha: SCSI driver HA context
2476 * @pkt: Entry pointer
2479 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2482 struct qla_hw_data *ha = vha->hw;
2483 const char func[] = "ERROR-IOCB";
2484 uint16_t que = MSW(pkt->handle);
2485 struct req_que *req = NULL;
2486 int res = DID_ERROR << 16;
2488 ql_dbg(ql_dbg_async, vha, 0x502a,
2489 "type of error status in response: 0x%x\n", pkt->entry_status);
2491 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2494 req = ha->req_q_map[que];
2496 if (pkt->entry_status & RF_BUSY)
2497 res = DID_BUS_BUSY << 16;
2499 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2501 sp->done(ha, sp, res);
2505 ql_log(ql_log_warn, vha, 0x5030,
2506 "Error entry - invalid handle/queue (%04x).\n", que);
2510 * qla24xx_mbx_completion() - Process mailbox command completions.
2511 * @ha: SCSI driver HA context
2512 * @mb0: Mailbox0 register
2515 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2519 uint16_t __iomem *wptr;
2520 struct qla_hw_data *ha = vha->hw;
2521 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2523 /* Read all mbox registers? */
2524 mboxes = (1 << ha->mbx_count) - 1;
2526 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2528 mboxes = ha->mcp->in_mb;
2530 /* Load return mailbox registers. */
2531 ha->flags.mbox_int = 1;
2532 ha->mailbox_out[0] = mb0;
2534 wptr = (uint16_t __iomem *)®->mailbox1;
2536 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2538 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2546 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2547 struct abort_entry_24xx *pkt)
2549 const char func[] = "ABT_IOCB";
2551 struct srb_iocb *abt;
2553 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2557 abt = &sp->u.iocb_cmd;
2558 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2559 sp->done(vha, sp, 0);
2563 * qla24xx_process_response_queue() - Process response queue entries.
2564 * @ha: SCSI driver HA context
2566 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2567 struct rsp_que *rsp)
2569 struct sts_entry_24xx *pkt;
2570 struct qla_hw_data *ha = vha->hw;
2572 if (!vha->flags.online)
2575 if (rsp->msix && rsp->msix->cpuid != smp_processor_id()) {
2576 /* if kernel does not notify qla of IRQ's CPU change,
2579 rsp->msix->cpuid = smp_processor_id();
2580 ha->tgt.rspq_vector_cpuid = rsp->msix->cpuid;
2583 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2584 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2587 if (rsp->ring_index == rsp->length) {
2588 rsp->ring_index = 0;
2589 rsp->ring_ptr = rsp->ring;
2594 if (pkt->entry_status != 0) {
2595 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2597 if (qlt_24xx_process_response_error(vha, pkt))
2600 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2606 switch (pkt->entry_type) {
2608 qla2x00_status_entry(vha, rsp, pkt);
2610 case STATUS_CONT_TYPE:
2611 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2613 case VP_RPT_ID_IOCB_TYPE:
2614 qla24xx_report_id_acquisition(vha,
2615 (struct vp_rpt_id_entry_24xx *)pkt);
2617 case LOGINOUT_PORT_IOCB_TYPE:
2618 qla24xx_logio_entry(vha, rsp->req,
2619 (struct logio_entry_24xx *)pkt);
2622 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2625 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2627 case ABTS_RECV_24XX:
2628 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2629 /* ensure that the ATIO queue is empty */
2630 qlt_handle_abts_recv(vha, (response_t *)pkt);
2634 qlt_24xx_process_atio_queue(vha, 1);
2636 case ABTS_RESP_24XX:
2638 case NOTIFY_ACK_TYPE:
2640 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2643 /* Do nothing in this case, this check is to prevent it
2644 * from falling into default case
2647 case ABORT_IOCB_TYPE:
2648 qla24xx_abort_iocb_entry(vha, rsp->req,
2649 (struct abort_entry_24xx *)pkt);
2652 /* Type Not Supported. */
2653 ql_dbg(ql_dbg_async, vha, 0x5042,
2654 "Received unknown response pkt type %x "
2655 "entry status=%x.\n",
2656 pkt->entry_type, pkt->entry_status);
2659 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2663 /* Adjust ring index */
2664 if (IS_P3P_TYPE(ha)) {
2665 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2666 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
2668 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2672 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
2676 struct qla_hw_data *ha = vha->hw;
2677 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2679 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2684 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
2685 RD_REG_DWORD(®->iobase_addr);
2686 WRT_REG_DWORD(®->iobase_window, 0x0001);
2687 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2688 rval == QLA_SUCCESS; cnt--) {
2690 WRT_REG_DWORD(®->iobase_window, 0x0001);
2693 rval = QLA_FUNCTION_TIMEOUT;
2695 if (rval == QLA_SUCCESS)
2699 WRT_REG_DWORD(®->iobase_window, 0x0003);
2700 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
2701 rval == QLA_SUCCESS; cnt--) {
2703 WRT_REG_DWORD(®->iobase_window, 0x0003);
2706 rval = QLA_FUNCTION_TIMEOUT;
2708 if (rval != QLA_SUCCESS)
2712 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
2713 ql_log(ql_log_info, vha, 0x504c,
2714 "Additional code -- 0x55AA.\n");
2717 WRT_REG_DWORD(®->iobase_window, 0x0000);
2718 RD_REG_DWORD(®->iobase_window);
2722 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
2724 * @dev_id: SCSI driver HA context
2726 * Called by system whenever the host adapter generates an interrupt.
2728 * Returns handled flag.
2731 qla24xx_intr_handler(int irq, void *dev_id)
2733 scsi_qla_host_t *vha;
2734 struct qla_hw_data *ha;
2735 struct device_reg_24xx __iomem *reg;
2741 struct rsp_que *rsp;
2742 unsigned long flags;
2744 rsp = (struct rsp_que *) dev_id;
2746 ql_log(ql_log_info, NULL, 0x5059,
2747 "%s: NULL response queue pointer.\n", __func__);
2752 reg = &ha->iobase->isp24;
2755 if (unlikely(pci_channel_offline(ha->pdev)))
2758 spin_lock_irqsave(&ha->hardware_lock, flags);
2759 vha = pci_get_drvdata(ha->pdev);
2760 for (iter = 50; iter--; ) {
2761 stat = RD_REG_DWORD(®->host_status);
2762 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2764 if (stat & HSRX_RISC_PAUSED) {
2765 if (unlikely(pci_channel_offline(ha->pdev)))
2768 hccr = RD_REG_DWORD(®->hccr);
2770 ql_log(ql_log_warn, vha, 0x504b,
2771 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2774 qla2xxx_check_risc_status(vha);
2776 ha->isp_ops->fw_dump(vha, 1);
2777 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2779 } else if ((stat & HSRX_RISC_INT) == 0)
2782 switch (stat & 0xff) {
2783 case INTR_ROM_MB_SUCCESS:
2784 case INTR_ROM_MB_FAILED:
2785 case INTR_MB_SUCCESS:
2786 case INTR_MB_FAILED:
2787 qla24xx_mbx_completion(vha, MSW(stat));
2788 status |= MBX_INTERRUPT;
2791 case INTR_ASYNC_EVENT:
2793 mb[1] = RD_REG_WORD(®->mailbox1);
2794 mb[2] = RD_REG_WORD(®->mailbox2);
2795 mb[3] = RD_REG_WORD(®->mailbox3);
2796 qla2x00_async_event(vha, rsp, mb);
2798 case INTR_RSP_QUE_UPDATE:
2799 case INTR_RSP_QUE_UPDATE_83XX:
2800 qla24xx_process_response_queue(vha, rsp);
2802 case INTR_ATIO_QUE_UPDATE:{
2803 unsigned long flags2;
2804 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2805 qlt_24xx_process_atio_queue(vha, 1);
2806 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2809 case INTR_ATIO_RSP_QUE_UPDATE: {
2810 unsigned long flags2;
2811 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2812 qlt_24xx_process_atio_queue(vha, 1);
2813 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2815 qla24xx_process_response_queue(vha, rsp);
2819 ql_dbg(ql_dbg_async, vha, 0x504f,
2820 "Unrecognized interrupt type (%d).\n", stat * 0xff);
2823 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2824 RD_REG_DWORD_RELAXED(®->hccr);
2825 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2828 qla2x00_handle_mbx_completion(ha, status);
2829 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2835 qla24xx_msix_rsp_q(int irq, void *dev_id)
2837 struct qla_hw_data *ha;
2838 struct rsp_que *rsp;
2839 struct device_reg_24xx __iomem *reg;
2840 struct scsi_qla_host *vha;
2841 unsigned long flags;
2844 rsp = (struct rsp_que *) dev_id;
2846 ql_log(ql_log_info, NULL, 0x505a,
2847 "%s: NULL response queue pointer.\n", __func__);
2851 reg = &ha->iobase->isp24;
2853 spin_lock_irqsave(&ha->hardware_lock, flags);
2855 vha = pci_get_drvdata(ha->pdev);
2857 * Use host_status register to check to PCI disconnection before we
2858 * we process the response queue.
2860 stat = RD_REG_DWORD(®->host_status);
2861 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2863 qla24xx_process_response_queue(vha, rsp);
2864 if (!ha->flags.disable_msix_handshake) {
2865 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2866 RD_REG_DWORD_RELAXED(®->hccr);
2869 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2875 qla24xx_msix_default(int irq, void *dev_id)
2877 scsi_qla_host_t *vha;
2878 struct qla_hw_data *ha;
2879 struct rsp_que *rsp;
2880 struct device_reg_24xx __iomem *reg;
2885 unsigned long flags;
2887 rsp = (struct rsp_que *) dev_id;
2889 ql_log(ql_log_info, NULL, 0x505c,
2890 "%s: NULL response queue pointer.\n", __func__);
2894 reg = &ha->iobase->isp24;
2897 spin_lock_irqsave(&ha->hardware_lock, flags);
2898 vha = pci_get_drvdata(ha->pdev);
2900 stat = RD_REG_DWORD(®->host_status);
2901 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2903 if (stat & HSRX_RISC_PAUSED) {
2904 if (unlikely(pci_channel_offline(ha->pdev)))
2907 hccr = RD_REG_DWORD(®->hccr);
2909 ql_log(ql_log_info, vha, 0x5050,
2910 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2913 qla2xxx_check_risc_status(vha);
2915 ha->isp_ops->fw_dump(vha, 1);
2916 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2918 } else if ((stat & HSRX_RISC_INT) == 0)
2921 switch (stat & 0xff) {
2922 case INTR_ROM_MB_SUCCESS:
2923 case INTR_ROM_MB_FAILED:
2924 case INTR_MB_SUCCESS:
2925 case INTR_MB_FAILED:
2926 qla24xx_mbx_completion(vha, MSW(stat));
2927 status |= MBX_INTERRUPT;
2930 case INTR_ASYNC_EVENT:
2932 mb[1] = RD_REG_WORD(®->mailbox1);
2933 mb[2] = RD_REG_WORD(®->mailbox2);
2934 mb[3] = RD_REG_WORD(®->mailbox3);
2935 qla2x00_async_event(vha, rsp, mb);
2937 case INTR_RSP_QUE_UPDATE:
2938 case INTR_RSP_QUE_UPDATE_83XX:
2939 qla24xx_process_response_queue(vha, rsp);
2941 case INTR_ATIO_QUE_UPDATE:{
2942 unsigned long flags2;
2943 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2944 qlt_24xx_process_atio_queue(vha, 1);
2945 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2948 case INTR_ATIO_RSP_QUE_UPDATE: {
2949 unsigned long flags2;
2950 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2951 qlt_24xx_process_atio_queue(vha, 1);
2952 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2954 qla24xx_process_response_queue(vha, rsp);
2958 ql_dbg(ql_dbg_async, vha, 0x5051,
2959 "Unrecognized interrupt type (%d).\n", stat & 0xff);
2962 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2964 qla2x00_handle_mbx_completion(ha, status);
2965 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2971 qla2xxx_msix_rsp_q(int irq, void *dev_id)
2973 struct qla_hw_data *ha;
2974 struct qla_qpair *qpair;
2975 struct device_reg_24xx __iomem *reg;
2976 unsigned long flags;
2980 ql_log(ql_log_info, NULL, 0x505b,
2981 "%s: NULL response queue pointer.\n", __func__);
2986 /* Clear the interrupt, if enabled, for this response queue */
2987 if (unlikely(!ha->flags.disable_msix_handshake)) {
2988 reg = &ha->iobase->isp24;
2989 spin_lock_irqsave(&ha->hardware_lock, flags);
2990 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
2991 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2994 queue_work(ha->wq, &qpair->q_work);
2999 /* Interrupt handling helpers. */
3001 struct qla_init_msix_entry {
3003 irq_handler_t handler;
3006 static struct qla_init_msix_entry msix_entries[] = {
3007 { "qla2xxx (default)", qla24xx_msix_default },
3008 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
3009 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
3010 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
3013 static struct qla_init_msix_entry qla82xx_msix_entries[] = {
3014 { "qla2xxx (default)", qla82xx_msix_default },
3015 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3019 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3021 #define MIN_MSIX_COUNT 2
3023 struct qla_msix_entry *qentry;
3024 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3026 ret = pci_alloc_irq_vectors(ha->pdev, MIN_MSIX_COUNT, ha->msix_count,
3027 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
3029 ql_log(ql_log_fatal, vha, 0x00c7,
3030 "MSI-X: Failed to enable support, "
3031 "giving up -- %d/%d.\n",
3032 ha->msix_count, ret);
3034 } else if (ret < ha->msix_count) {
3035 ql_log(ql_log_warn, vha, 0x00c6,
3036 "MSI-X: Failed to enable support "
3037 "with %d vectors, using %d vectors.\n",
3038 ha->msix_count, ret);
3039 ha->msix_count = ret;
3040 /* Recalculate queue values */
3041 if (ha->mqiobase && ql2xmqsupport) {
3042 ha->max_req_queues = ha->msix_count - 1;
3044 /* ATIOQ needs 1 vector. That's 1 less QPair */
3045 if (QLA_TGT_MODE_ENABLED())
3046 ha->max_req_queues--;
3048 ha->max_rsp_queues = ha->max_req_queues;
3050 ha->max_qpairs = ha->max_req_queues - 1;
3051 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3052 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3055 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3056 ha->msix_count, GFP_KERNEL);
3057 if (!ha->msix_entries) {
3058 ql_log(ql_log_fatal, vha, 0x00c8,
3059 "Failed to allocate memory for ha->msix_entries.\n");
3063 ha->flags.msix_enabled = 1;
3065 for (i = 0; i < ha->msix_count; i++) {
3066 qentry = &ha->msix_entries[i];
3067 qentry->vector = pci_irq_vector(ha->pdev, i);
3069 qentry->have_irq = 0;
3071 qentry->handle = NULL;
3072 qentry->irq_notify.notify = qla_irq_affinity_notify;
3073 qentry->irq_notify.release = qla_irq_affinity_release;
3077 /* Enable MSI-X vectors for the base queue */
3078 for (i = 0; i < (QLA_MSIX_RSP_Q + 1); i++) {
3079 qentry = &ha->msix_entries[i];
3080 qentry->handle = rsp;
3082 scnprintf(qentry->name, sizeof(qentry->name),
3083 msix_entries[i].name);
3084 if (IS_P3P_TYPE(ha))
3085 ret = request_irq(qentry->vector,
3086 qla82xx_msix_entries[i].handler,
3087 0, qla82xx_msix_entries[i].name, rsp);
3089 ret = request_irq(qentry->vector,
3090 msix_entries[i].handler,
3091 0, msix_entries[i].name, rsp);
3093 goto msix_register_fail;
3094 qentry->have_irq = 1;
3097 /* Register for CPU affinity notification. */
3098 irq_set_affinity_notifier(qentry->vector, &qentry->irq_notify);
3100 /* Schedule work (ie. trigger a notification) to read cpu
3101 * mask for this specific irq.
3102 * kref_get is required because
3103 * irq_affinity_notify() will do
3106 kref_get(&qentry->irq_notify.kref);
3107 schedule_work(&qentry->irq_notify.work);
3111 * If target mode is enable, also request the vector for the ATIO
3114 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3115 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3117 qentry->handle = rsp;
3118 scnprintf(qentry->name, sizeof(qentry->name),
3119 msix_entries[QLA_ATIO_VECTOR].name);
3121 ret = request_irq(qentry->vector,
3122 msix_entries[QLA_ATIO_VECTOR].handler,
3123 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
3124 qentry->have_irq = 1;
3129 ql_log(ql_log_fatal, vha, 0x00cb,
3130 "MSI-X: unable to register handler -- %x/%d.\n",
3131 qentry->vector, ret);
3132 qla2x00_free_irqs(vha);
3137 /* Enable MSI-X vector for response queue update for queue 0 */
3138 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3139 if (ha->msixbase && ha->mqiobase &&
3140 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3145 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3148 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3149 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3150 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3151 ql_dbg(ql_dbg_init, vha, 0x0055,
3152 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3153 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3160 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3162 int ret = QLA_FUNCTION_FAILED;
3163 device_reg_t *reg = ha->iobase;
3164 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3166 /* If possible, enable MSI-X. */
3167 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3168 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3172 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3173 (ha->pdev->subsystem_device == 0x7040 ||
3174 ha->pdev->subsystem_device == 0x7041 ||
3175 ha->pdev->subsystem_device == 0x1705)) {
3176 ql_log(ql_log_warn, vha, 0x0034,
3177 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3178 ha->pdev->subsystem_vendor,
3179 ha->pdev->subsystem_device);
3183 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3184 ql_log(ql_log_warn, vha, 0x0035,
3185 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3186 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3190 ret = qla24xx_enable_msix(ha, rsp);
3192 ql_dbg(ql_dbg_init, vha, 0x0036,
3193 "MSI-X: Enabled (0x%X, 0x%X).\n",
3194 ha->chip_revision, ha->fw_attributes);
3195 goto clear_risc_ints;
3200 ql_log(ql_log_info, vha, 0x0037,
3201 "Falling back-to MSI mode -%d.\n", ret);
3203 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3204 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3208 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3210 ql_dbg(ql_dbg_init, vha, 0x0038,
3212 ha->flags.msi_enabled = 1;
3214 ql_log(ql_log_warn, vha, 0x0039,
3215 "Falling back-to INTa mode -- %d.\n", ret);
3218 /* Skip INTx on ISP82xx. */
3219 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3220 return QLA_FUNCTION_FAILED;
3222 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3223 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3224 QLA2XXX_DRIVER_NAME, rsp);
3226 ql_log(ql_log_warn, vha, 0x003a,
3227 "Failed to reserve interrupt %d already in use.\n",
3230 } else if (!ha->flags.msi_enabled) {
3231 ql_dbg(ql_dbg_init, vha, 0x0125,
3232 "INTa mode: Enabled.\n");
3233 ha->flags.mr_intr_valid = 1;
3237 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3240 spin_lock_irq(&ha->hardware_lock);
3241 WRT_REG_WORD(®->isp.semaphore, 0);
3242 spin_unlock_irq(&ha->hardware_lock);
3249 qla2x00_free_irqs(scsi_qla_host_t *vha)
3251 struct qla_hw_data *ha = vha->hw;
3252 struct rsp_que *rsp;
3253 struct qla_msix_entry *qentry;
3257 * We need to check that ha->rsp_q_map is valid in case we are called
3258 * from a probe failure context.
3260 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3262 rsp = ha->rsp_q_map[0];
3264 if (ha->flags.msix_enabled) {
3265 for (i = 0; i < ha->msix_count; i++) {
3266 qentry = &ha->msix_entries[i];
3267 if (qentry->have_irq) {
3268 irq_set_affinity_notifier(qentry->vector, NULL);
3269 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3272 kfree(ha->msix_entries);
3273 ha->msix_entries = NULL;
3274 ha->flags.msix_enabled = 0;
3275 ql_dbg(ql_dbg_init, vha, 0x0042,
3276 "Disabled MSI-X.\n");
3278 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3281 pci_free_irq_vectors(ha->pdev);
3284 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3285 struct qla_msix_entry *msix, int vector_type)
3287 struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3291 scnprintf(msix->name, sizeof(msix->name),
3292 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3293 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3295 ql_log(ql_log_fatal, vha, 0x00e6,
3296 "MSI-X: Unable to register handler -- %x/%d.\n",
3301 msix->handle = qpair;
3306 /* irq_set_affinity/irqbalance will trigger notification of cpu mask update */
3307 static void qla_irq_affinity_notify(struct irq_affinity_notify *notify,
3308 const cpumask_t *mask)
3310 struct qla_msix_entry *e =
3311 container_of(notify, struct qla_msix_entry, irq_notify);
3312 struct qla_hw_data *ha;
3313 struct scsi_qla_host *base_vha;
3314 struct rsp_que *rsp = e->handle;
3316 /* user is recommended to set mask to just 1 cpu */
3317 e->cpuid = cpumask_first(mask);
3320 base_vha = pci_get_drvdata(ha->pdev);
3322 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3323 "%s: host %ld : vector %d cpu %d \n", __func__,
3324 base_vha->host_no, e->vector, e->cpuid);
3327 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) &&
3328 (e->entry == QLA83XX_RSPQ_MSIX_ENTRY_NUMBER)) {
3329 ha->tgt.rspq_vector_cpuid = e->cpuid;
3330 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3331 "%s: host%ld: rspq vector %d cpu %d runtime change\n",
3332 __func__, base_vha->host_no, e->vector, e->cpuid);
3337 static void qla_irq_affinity_release(struct kref *ref)
3339 struct irq_affinity_notify *notify =
3340 container_of(ref, struct irq_affinity_notify, kref);
3341 struct qla_msix_entry *e =
3342 container_of(notify, struct qla_msix_entry, irq_notify);
3343 struct rsp_que *rsp = e->handle;
3344 struct scsi_qla_host *base_vha = pci_get_drvdata(rsp->hw->pdev);
3346 ql_dbg(ql_dbg_init, base_vha, 0xffff,
3347 "%s: host%ld: vector %d cpu %d\n", __func__,
3348 base_vha->host_no, e->vector, e->cpuid);