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Merge tag 'mips_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_isr.c
... / ...
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1/*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7#include "qla_def.h"
8#include "qla_target.h"
9
10#include <linux/delay.h>
11#include <linux/slab.h>
12#include <linux/cpu.h>
13#include <linux/t10-pi.h>
14#include <scsi/scsi_tcq.h>
15#include <scsi/scsi_bsg_fc.h>
16#include <scsi/scsi_eh.h>
17#include <scsi/fc/fc_fs.h>
18#include <linux/nvme-fc-driver.h>
19
20static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25
26const char *const port_state_str[] = {
27 "Unknown",
28 "UNCONFIGURED",
29 "DEAD",
30 "LOST",
31 "ONLINE"
32};
33
34/**
35 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
36 * @irq: interrupt number
37 * @dev_id: SCSI driver HA context
38 *
39 * Called by system whenever the host adapter generates an interrupt.
40 *
41 * Returns handled flag.
42 */
43irqreturn_t
44qla2100_intr_handler(int irq, void *dev_id)
45{
46 scsi_qla_host_t *vha;
47 struct qla_hw_data *ha;
48 struct device_reg_2xxx __iomem *reg;
49 int status;
50 unsigned long iter;
51 uint16_t hccr;
52 uint16_t mb[8];
53 struct rsp_que *rsp;
54 unsigned long flags;
55
56 rsp = (struct rsp_que *) dev_id;
57 if (!rsp) {
58 ql_log(ql_log_info, NULL, 0x505d,
59 "%s: NULL response queue pointer.\n", __func__);
60 return (IRQ_NONE);
61 }
62
63 ha = rsp->hw;
64 reg = &ha->iobase->isp;
65 status = 0;
66
67 spin_lock_irqsave(&ha->hardware_lock, flags);
68 vha = pci_get_drvdata(ha->pdev);
69 for (iter = 50; iter--; ) {
70 hccr = RD_REG_WORD(&reg->hccr);
71 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
72 break;
73 if (hccr & HCCR_RISC_PAUSE) {
74 if (pci_channel_offline(ha->pdev))
75 break;
76
77 /*
78 * Issue a "HARD" reset in order for the RISC interrupt
79 * bit to be cleared. Schedule a big hammer to get
80 * out of the RISC PAUSED state.
81 */
82 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
83 RD_REG_WORD(&reg->hccr);
84
85 ha->isp_ops->fw_dump(vha, 1);
86 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
87 break;
88 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
89 break;
90
91 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
92 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
93 RD_REG_WORD(&reg->hccr);
94
95 /* Get mailbox data. */
96 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
97 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
98 qla2x00_mbx_completion(vha, mb[0]);
99 status |= MBX_INTERRUPT;
100 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
101 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
102 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
103 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
104 qla2x00_async_event(vha, rsp, mb);
105 } else {
106 /*EMPTY*/
107 ql_dbg(ql_dbg_async, vha, 0x5025,
108 "Unrecognized interrupt type (%d).\n",
109 mb[0]);
110 }
111 /* Release mailbox registers. */
112 WRT_REG_WORD(&reg->semaphore, 0);
113 RD_REG_WORD(&reg->semaphore);
114 } else {
115 qla2x00_process_response_queue(rsp);
116
117 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
118 RD_REG_WORD(&reg->hccr);
119 }
120 }
121 qla2x00_handle_mbx_completion(ha, status);
122 spin_unlock_irqrestore(&ha->hardware_lock, flags);
123
124 return (IRQ_HANDLED);
125}
126
127bool
128qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
129{
130 /* Check for PCI disconnection */
131 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
132 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
133 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
134 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
135 /*
136 * Schedule this (only once) on the default system
137 * workqueue so that all the adapter workqueues and the
138 * DPC thread can be shutdown cleanly.
139 */
140 schedule_work(&vha->hw->board_disable);
141 }
142 return true;
143 } else
144 return false;
145}
146
147bool
148qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
149{
150 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
151}
152
153/**
154 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
155 * @irq: interrupt number
156 * @dev_id: SCSI driver HA context
157 *
158 * Called by system whenever the host adapter generates an interrupt.
159 *
160 * Returns handled flag.
161 */
162irqreturn_t
163qla2300_intr_handler(int irq, void *dev_id)
164{
165 scsi_qla_host_t *vha;
166 struct device_reg_2xxx __iomem *reg;
167 int status;
168 unsigned long iter;
169 uint32_t stat;
170 uint16_t hccr;
171 uint16_t mb[8];
172 struct rsp_que *rsp;
173 struct qla_hw_data *ha;
174 unsigned long flags;
175
176 rsp = (struct rsp_que *) dev_id;
177 if (!rsp) {
178 ql_log(ql_log_info, NULL, 0x5058,
179 "%s: NULL response queue pointer.\n", __func__);
180 return (IRQ_NONE);
181 }
182
183 ha = rsp->hw;
184 reg = &ha->iobase->isp;
185 status = 0;
186
187 spin_lock_irqsave(&ha->hardware_lock, flags);
188 vha = pci_get_drvdata(ha->pdev);
189 for (iter = 50; iter--; ) {
190 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
191 if (qla2x00_check_reg32_for_disconnect(vha, stat))
192 break;
193 if (stat & HSR_RISC_PAUSED) {
194 if (unlikely(pci_channel_offline(ha->pdev)))
195 break;
196
197 hccr = RD_REG_WORD(&reg->hccr);
198
199 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
200 ql_log(ql_log_warn, vha, 0x5026,
201 "Parity error -- HCCR=%x, Dumping "
202 "firmware.\n", hccr);
203 else
204 ql_log(ql_log_warn, vha, 0x5027,
205 "RISC paused -- HCCR=%x, Dumping "
206 "firmware.\n", hccr);
207
208 /*
209 * Issue a "HARD" reset in order for the RISC
210 * interrupt bit to be cleared. Schedule a big
211 * hammer to get out of the RISC PAUSED state.
212 */
213 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
214 RD_REG_WORD(&reg->hccr);
215
216 ha->isp_ops->fw_dump(vha, 1);
217 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
218 break;
219 } else if ((stat & HSR_RISC_INT) == 0)
220 break;
221
222 switch (stat & 0xff) {
223 case 0x1:
224 case 0x2:
225 case 0x10:
226 case 0x11:
227 qla2x00_mbx_completion(vha, MSW(stat));
228 status |= MBX_INTERRUPT;
229
230 /* Release mailbox registers. */
231 WRT_REG_WORD(&reg->semaphore, 0);
232 break;
233 case 0x12:
234 mb[0] = MSW(stat);
235 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
236 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
237 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x13:
241 qla2x00_process_response_queue(rsp);
242 break;
243 case 0x15:
244 mb[0] = MBA_CMPLT_1_16BIT;
245 mb[1] = MSW(stat);
246 qla2x00_async_event(vha, rsp, mb);
247 break;
248 case 0x16:
249 mb[0] = MBA_SCSI_COMPLETION;
250 mb[1] = MSW(stat);
251 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
252 qla2x00_async_event(vha, rsp, mb);
253 break;
254 default:
255 ql_dbg(ql_dbg_async, vha, 0x5028,
256 "Unrecognized interrupt type (%d).\n", stat & 0xff);
257 break;
258 }
259 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
260 RD_REG_WORD_RELAXED(&reg->hccr);
261 }
262 qla2x00_handle_mbx_completion(ha, status);
263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
264
265 return (IRQ_HANDLED);
266}
267
268/**
269 * qla2x00_mbx_completion() - Process mailbox command completions.
270 * @vha: SCSI driver HA context
271 * @mb0: Mailbox0 register
272 */
273static void
274qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
275{
276 uint16_t cnt;
277 uint32_t mboxes;
278 uint16_t __iomem *wptr;
279 struct qla_hw_data *ha = vha->hw;
280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
281
282 /* Read all mbox registers? */
283 WARN_ON_ONCE(ha->mbx_count > 32);
284 mboxes = (1ULL << ha->mbx_count) - 1;
285 if (!ha->mcp)
286 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
287 else
288 mboxes = ha->mcp->in_mb;
289
290 /* Load return mailbox registers. */
291 ha->flags.mbox_int = 1;
292 ha->mailbox_out[0] = mb0;
293 mboxes >>= 1;
294 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
295
296 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
297 if (IS_QLA2200(ha) && cnt == 8)
298 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
299 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
300 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
301 else if (mboxes & BIT_0)
302 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
303
304 wptr++;
305 mboxes >>= 1;
306 }
307}
308
309static void
310qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
311{
312 static char *event[] =
313 { "Complete", "Request Notification", "Time Extension" };
314 int rval;
315 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
316 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
317 uint16_t __iomem *wptr;
318 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
319
320 /* Seed data -- mailbox1 -> mailbox7. */
321 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
322 wptr = (uint16_t __iomem *)&reg24->mailbox1;
323 else if (IS_QLA8044(vha->hw))
324 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
325 else
326 return;
327
328 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
329 mb[cnt] = RD_REG_WORD(wptr);
330
331 ql_dbg(ql_dbg_async, vha, 0x5021,
332 "Inter-Driver Communication %s -- "
333 "%04x %04x %04x %04x %04x %04x %04x.\n",
334 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
335 mb[4], mb[5], mb[6]);
336 switch (aen) {
337 /* Handle IDC Error completion case. */
338 case MBA_IDC_COMPLETE:
339 if (mb[1] >> 15) {
340 vha->hw->flags.idc_compl_status = 1;
341 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
342 complete(&vha->hw->dcbx_comp);
343 }
344 break;
345
346 case MBA_IDC_NOTIFY:
347 /* Acknowledgement needed? [Notify && non-zero timeout]. */
348 timeout = (descr >> 8) & 0xf;
349 ql_dbg(ql_dbg_async, vha, 0x5022,
350 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
351 vha->host_no, event[aen & 0xff], timeout);
352
353 if (!timeout)
354 return;
355 rval = qla2x00_post_idc_ack_work(vha, mb);
356 if (rval != QLA_SUCCESS)
357 ql_log(ql_log_warn, vha, 0x5023,
358 "IDC failed to post ACK.\n");
359 break;
360 case MBA_IDC_TIME_EXT:
361 vha->hw->idc_extend_tmo = descr;
362 ql_dbg(ql_dbg_async, vha, 0x5087,
363 "%lu Inter-Driver Communication %s -- "
364 "Extend timeout by=%d.\n",
365 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
366 break;
367 }
368}
369
370#define LS_UNKNOWN 2
371const char *
372qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
373{
374 static const char *const link_speeds[] = {
375 "1", "2", "?", "4", "8", "16", "32", "10"
376 };
377#define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1)
378
379 if (IS_QLA2100(ha) || IS_QLA2200(ha))
380 return link_speeds[0];
381 else if (speed == 0x13)
382 return link_speeds[QLA_LAST_SPEED];
383 else if (speed < QLA_LAST_SPEED)
384 return link_speeds[speed];
385 else
386 return link_speeds[LS_UNKNOWN];
387}
388
389static void
390qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
391{
392 struct qla_hw_data *ha = vha->hw;
393
394 /*
395 * 8200 AEN Interpretation:
396 * mb[0] = AEN code
397 * mb[1] = AEN Reason code
398 * mb[2] = LSW of Peg-Halt Status-1 Register
399 * mb[6] = MSW of Peg-Halt Status-1 Register
400 * mb[3] = LSW of Peg-Halt Status-2 register
401 * mb[7] = MSW of Peg-Halt Status-2 register
402 * mb[4] = IDC Device-State Register value
403 * mb[5] = IDC Driver-Presence Register value
404 */
405 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
406 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
407 mb[0], mb[1], mb[2], mb[6]);
408 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
409 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
410 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
411
412 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
413 IDC_HEARTBEAT_FAILURE)) {
414 ha->flags.nic_core_hung = 1;
415 ql_log(ql_log_warn, vha, 0x5060,
416 "83XX: F/W Error Reported: Check if reset required.\n");
417
418 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
419 uint32_t protocol_engine_id, fw_err_code, err_level;
420
421 /*
422 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
423 * - PEG-Halt Status-1 Register:
424 * (LSW = mb[2], MSW = mb[6])
425 * Bits 0-7 = protocol-engine ID
426 * Bits 8-28 = f/w error code
427 * Bits 29-31 = Error-level
428 * Error-level 0x1 = Non-Fatal error
429 * Error-level 0x2 = Recoverable Fatal error
430 * Error-level 0x4 = UnRecoverable Fatal error
431 * - PEG-Halt Status-2 Register:
432 * (LSW = mb[3], MSW = mb[7])
433 */
434 protocol_engine_id = (mb[2] & 0xff);
435 fw_err_code = (((mb[2] & 0xff00) >> 8) |
436 ((mb[6] & 0x1fff) << 8));
437 err_level = ((mb[6] & 0xe000) >> 13);
438 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
439 "Register: protocol_engine_id=0x%x "
440 "fw_err_code=0x%x err_level=0x%x.\n",
441 protocol_engine_id, fw_err_code, err_level);
442 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
443 "Register: 0x%x%x.\n", mb[7], mb[3]);
444 if (err_level == ERR_LEVEL_NON_FATAL) {
445 ql_log(ql_log_warn, vha, 0x5063,
446 "Not a fatal error, f/w has recovered itself.\n");
447 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
448 ql_log(ql_log_fatal, vha, 0x5064,
449 "Recoverable Fatal error: Chip reset "
450 "required.\n");
451 qla83xx_schedule_work(vha,
452 QLA83XX_NIC_CORE_RESET);
453 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
454 ql_log(ql_log_fatal, vha, 0x5065,
455 "Unrecoverable Fatal error: Set FAILED "
456 "state, reboot required.\n");
457 qla83xx_schedule_work(vha,
458 QLA83XX_NIC_CORE_UNRECOVERABLE);
459 }
460 }
461
462 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
463 uint16_t peg_fw_state, nw_interface_link_up;
464 uint16_t nw_interface_signal_detect, sfp_status;
465 uint16_t htbt_counter, htbt_monitor_enable;
466 uint16_t sfp_additional_info, sfp_multirate;
467 uint16_t sfp_tx_fault, link_speed, dcbx_status;
468
469 /*
470 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
471 * - PEG-to-FC Status Register:
472 * (LSW = mb[2], MSW = mb[6])
473 * Bits 0-7 = Peg-Firmware state
474 * Bit 8 = N/W Interface Link-up
475 * Bit 9 = N/W Interface signal detected
476 * Bits 10-11 = SFP Status
477 * SFP Status 0x0 = SFP+ transceiver not expected
478 * SFP Status 0x1 = SFP+ transceiver not present
479 * SFP Status 0x2 = SFP+ transceiver invalid
480 * SFP Status 0x3 = SFP+ transceiver present and
481 * valid
482 * Bits 12-14 = Heartbeat Counter
483 * Bit 15 = Heartbeat Monitor Enable
484 * Bits 16-17 = SFP Additional Info
485 * SFP info 0x0 = Unregocnized transceiver for
486 * Ethernet
487 * SFP info 0x1 = SFP+ brand validation failed
488 * SFP info 0x2 = SFP+ speed validation failed
489 * SFP info 0x3 = SFP+ access error
490 * Bit 18 = SFP Multirate
491 * Bit 19 = SFP Tx Fault
492 * Bits 20-22 = Link Speed
493 * Bits 23-27 = Reserved
494 * Bits 28-30 = DCBX Status
495 * DCBX Status 0x0 = DCBX Disabled
496 * DCBX Status 0x1 = DCBX Enabled
497 * DCBX Status 0x2 = DCBX Exchange error
498 * Bit 31 = Reserved
499 */
500 peg_fw_state = (mb[2] & 0x00ff);
501 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
502 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
503 sfp_status = ((mb[2] & 0x0c00) >> 10);
504 htbt_counter = ((mb[2] & 0x7000) >> 12);
505 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
506 sfp_additional_info = (mb[6] & 0x0003);
507 sfp_multirate = ((mb[6] & 0x0004) >> 2);
508 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
509 link_speed = ((mb[6] & 0x0070) >> 4);
510 dcbx_status = ((mb[6] & 0x7000) >> 12);
511
512 ql_log(ql_log_warn, vha, 0x5066,
513 "Peg-to-Fc Status Register:\n"
514 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
515 "nw_interface_signal_detect=0x%x"
516 "\nsfp_statis=0x%x.\n ", peg_fw_state,
517 nw_interface_link_up, nw_interface_signal_detect,
518 sfp_status);
519 ql_log(ql_log_warn, vha, 0x5067,
520 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
521 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
522 htbt_counter, htbt_monitor_enable,
523 sfp_additional_info, sfp_multirate);
524 ql_log(ql_log_warn, vha, 0x5068,
525 "sfp_tx_fault=0x%x, link_state=0x%x, "
526 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
527 dcbx_status);
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531
532 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
533 ql_log(ql_log_warn, vha, 0x5069,
534 "Heartbeat Failure encountered, chip reset "
535 "required.\n");
536
537 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
538 }
539 }
540
541 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
542 ql_log(ql_log_info, vha, 0x506a,
543 "IDC Device-State changed = 0x%x.\n", mb[4]);
544 if (ha->flags.nic_core_reset_owner)
545 return;
546 qla83xx_schedule_work(vha, MBA_IDC_AEN);
547 }
548}
549
550int
551qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
552{
553 struct qla_hw_data *ha = vha->hw;
554 scsi_qla_host_t *vp;
555 uint32_t vp_did;
556 unsigned long flags;
557 int ret = 0;
558
559 if (!ha->num_vhosts)
560 return ret;
561
562 spin_lock_irqsave(&ha->vport_slock, flags);
563 list_for_each_entry(vp, &ha->vp_list, list) {
564 vp_did = vp->d_id.b24;
565 if (vp_did == rscn_entry) {
566 ret = 1;
567 break;
568 }
569 }
570 spin_unlock_irqrestore(&ha->vport_slock, flags);
571
572 return ret;
573}
574
575fc_port_t *
576qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
577{
578 fc_port_t *f, *tf;
579
580 f = tf = NULL;
581 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
582 if (f->loop_id == loop_id)
583 return f;
584 return NULL;
585}
586
587fc_port_t *
588qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
589{
590 fc_port_t *f, *tf;
591
592 f = tf = NULL;
593 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
594 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
595 if (incl_deleted)
596 return f;
597 else if (f->deleted == 0)
598 return f;
599 }
600 }
601 return NULL;
602}
603
604fc_port_t *
605qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
606 u8 incl_deleted)
607{
608 fc_port_t *f, *tf;
609
610 f = tf = NULL;
611 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
612 if (f->d_id.b24 == id->b24) {
613 if (incl_deleted)
614 return f;
615 else if (f->deleted == 0)
616 return f;
617 }
618 }
619 return NULL;
620}
621
622/**
623 * qla2x00_async_event() - Process aynchronous events.
624 * @vha: SCSI driver HA context
625 * @rsp: response queue
626 * @mb: Mailbox registers (0 - 3)
627 */
628void
629qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
630{
631 uint16_t handle_cnt;
632 uint16_t cnt, mbx;
633 uint32_t handles[5];
634 struct qla_hw_data *ha = vha->hw;
635 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
636 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
637 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
638 uint32_t rscn_entry, host_pid;
639 unsigned long flags;
640 fc_port_t *fcport = NULL;
641
642 if (!vha->hw->flags.fw_started)
643 return;
644
645 /* Setup to process RIO completion. */
646 handle_cnt = 0;
647 if (IS_CNA_CAPABLE(ha))
648 goto skip_rio;
649 switch (mb[0]) {
650 case MBA_SCSI_COMPLETION:
651 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
652 handle_cnt = 1;
653 break;
654 case MBA_CMPLT_1_16BIT:
655 handles[0] = mb[1];
656 handle_cnt = 1;
657 mb[0] = MBA_SCSI_COMPLETION;
658 break;
659 case MBA_CMPLT_2_16BIT:
660 handles[0] = mb[1];
661 handles[1] = mb[2];
662 handle_cnt = 2;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_3_16BIT:
666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
669 handle_cnt = 3;
670 mb[0] = MBA_SCSI_COMPLETION;
671 break;
672 case MBA_CMPLT_4_16BIT:
673 handles[0] = mb[1];
674 handles[1] = mb[2];
675 handles[2] = mb[3];
676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
677 handle_cnt = 4;
678 mb[0] = MBA_SCSI_COMPLETION;
679 break;
680 case MBA_CMPLT_5_16BIT:
681 handles[0] = mb[1];
682 handles[1] = mb[2];
683 handles[2] = mb[3];
684 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
685 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
686 handle_cnt = 5;
687 mb[0] = MBA_SCSI_COMPLETION;
688 break;
689 case MBA_CMPLT_2_32BIT:
690 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
691 handles[1] = le32_to_cpu(
692 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
693 RD_MAILBOX_REG(ha, reg, 6));
694 handle_cnt = 2;
695 mb[0] = MBA_SCSI_COMPLETION;
696 break;
697 default:
698 break;
699 }
700skip_rio:
701 switch (mb[0]) {
702 case MBA_SCSI_COMPLETION: /* Fast Post */
703 if (!vha->flags.online)
704 break;
705
706 for (cnt = 0; cnt < handle_cnt; cnt++)
707 qla2x00_process_completed_request(vha, rsp->req,
708 handles[cnt]);
709 break;
710
711 case MBA_RESET: /* Reset */
712 ql_dbg(ql_dbg_async, vha, 0x5002,
713 "Asynchronous RESET.\n");
714
715 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
716 break;
717
718 case MBA_SYSTEM_ERR: /* System Error */
719 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
720 IS_QLA28XX(ha)) ?
721 RD_REG_WORD(&reg24->mailbox7) : 0;
722 ql_log(ql_log_warn, vha, 0x5003,
723 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
724 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
725 ha->fw_dump_mpi =
726 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
727 RD_REG_WORD(&reg24->mailbox7) & BIT_8;
728 ha->isp_ops->fw_dump(vha, 1);
729 ha->flags.fw_init_done = 0;
730 QLA_FW_STOPPED(ha);
731
732 if (IS_FWI2_CAPABLE(ha)) {
733 if (mb[1] == 0 && mb[2] == 0) {
734 ql_log(ql_log_fatal, vha, 0x5004,
735 "Unrecoverable Hardware Error: adapter "
736 "marked OFFLINE!\n");
737 vha->flags.online = 0;
738 vha->device_flags |= DFLG_DEV_FAILED;
739 } else {
740 /* Check to see if MPI timeout occurred */
741 if ((mbx & MBX_3) && (ha->port_no == 0))
742 set_bit(MPI_RESET_NEEDED,
743 &vha->dpc_flags);
744
745 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
746 }
747 } else if (mb[1] == 0) {
748 ql_log(ql_log_fatal, vha, 0x5005,
749 "Unrecoverable Hardware Error: adapter marked "
750 "OFFLINE!\n");
751 vha->flags.online = 0;
752 vha->device_flags |= DFLG_DEV_FAILED;
753 } else
754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
755 break;
756
757 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
758 ql_log(ql_log_warn, vha, 0x5006,
759 "ISP Request Transfer Error (%x).\n", mb[1]);
760
761 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
762 break;
763
764 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
765 ql_log(ql_log_warn, vha, 0x5007,
766 "ISP Response Transfer Error (%x).\n", mb[1]);
767
768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
769 break;
770
771 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
772 ql_dbg(ql_dbg_async, vha, 0x5008,
773 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
774 break;
775
776 case MBA_LOOP_INIT_ERR:
777 ql_log(ql_log_warn, vha, 0x5090,
778 "LOOP INIT ERROR (%x).\n", mb[1]);
779 ha->isp_ops->fw_dump(vha, 1);
780 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
781 break;
782
783 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
784 ha->flags.lip_ae = 1;
785
786 ql_dbg(ql_dbg_async, vha, 0x5009,
787 "LIP occurred (%x).\n", mb[1]);
788
789 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
790 atomic_set(&vha->loop_state, LOOP_DOWN);
791 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
792 qla2x00_mark_all_devices_lost(vha, 1);
793 }
794
795 if (vha->vp_idx) {
796 atomic_set(&vha->vp_state, VP_FAILED);
797 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
798 }
799
800 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
801 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
802
803 vha->flags.management_server_logged_in = 0;
804 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
805 break;
806
807 case MBA_LOOP_UP: /* Loop Up Event */
808 if (IS_QLA2100(ha) || IS_QLA2200(ha))
809 ha->link_data_rate = PORT_SPEED_1GB;
810 else
811 ha->link_data_rate = mb[1];
812
813 ql_log(ql_log_info, vha, 0x500a,
814 "LOOP UP detected (%s Gbps).\n",
815 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
816
817 vha->flags.management_server_logged_in = 0;
818 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
819
820 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
821 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
822 qla2xxx_wake_dpc(vha);
823 }
824 break;
825
826 case MBA_LOOP_DOWN: /* Loop Down Event */
827 SAVE_TOPO(ha);
828 ha->flags.lip_ae = 0;
829 ha->current_topology = 0;
830
831 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
832 ? RD_REG_WORD(&reg24->mailbox4) : 0;
833 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
834 : mbx;
835 ql_log(ql_log_info, vha, 0x500b,
836 "LOOP DOWN detected (%x %x %x %x).\n",
837 mb[1], mb[2], mb[3], mbx);
838
839 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
840 atomic_set(&vha->loop_state, LOOP_DOWN);
841 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
842 /*
843 * In case of loop down, restore WWPN from
844 * NVRAM in case of FA-WWPN capable ISP
845 * Restore for Physical Port only
846 */
847 if (!vha->vp_idx) {
848 if (ha->flags.fawwpn_enabled &&
849 (ha->current_topology == ISP_CFG_F)) {
850 void *wwpn = ha->init_cb->port_name;
851
852 memcpy(vha->port_name, wwpn, WWN_SIZE);
853 fc_host_port_name(vha->host) =
854 wwn_to_u64(vha->port_name);
855 ql_dbg(ql_dbg_init + ql_dbg_verbose,
856 vha, 0x00d8, "LOOP DOWN detected,"
857 "restore WWPN %016llx\n",
858 wwn_to_u64(vha->port_name));
859 }
860
861 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
862 }
863
864 vha->device_flags |= DFLG_NO_CABLE;
865 qla2x00_mark_all_devices_lost(vha, 1);
866 }
867
868 if (vha->vp_idx) {
869 atomic_set(&vha->vp_state, VP_FAILED);
870 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
871 }
872
873 vha->flags.management_server_logged_in = 0;
874 ha->link_data_rate = PORT_SPEED_UNKNOWN;
875 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
876 break;
877
878 case MBA_LIP_RESET: /* LIP reset occurred */
879 ql_dbg(ql_dbg_async, vha, 0x500c,
880 "LIP reset occurred (%x).\n", mb[1]);
881
882 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
883 atomic_set(&vha->loop_state, LOOP_DOWN);
884 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
885 qla2x00_mark_all_devices_lost(vha, 1);
886 }
887
888 if (vha->vp_idx) {
889 atomic_set(&vha->vp_state, VP_FAILED);
890 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
891 }
892
893 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
894
895 ha->operating_mode = LOOP;
896 vha->flags.management_server_logged_in = 0;
897 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
898 break;
899
900 /* case MBA_DCBX_COMPLETE: */
901 case MBA_POINT_TO_POINT: /* Point-to-Point */
902 ha->flags.lip_ae = 0;
903
904 if (IS_QLA2100(ha))
905 break;
906
907 if (IS_CNA_CAPABLE(ha)) {
908 ql_dbg(ql_dbg_async, vha, 0x500d,
909 "DCBX Completed -- %04x %04x %04x.\n",
910 mb[1], mb[2], mb[3]);
911 if (ha->notify_dcbx_comp && !vha->vp_idx)
912 complete(&ha->dcbx_comp);
913
914 } else
915 ql_dbg(ql_dbg_async, vha, 0x500e,
916 "Asynchronous P2P MODE received.\n");
917
918 /*
919 * Until there's a transition from loop down to loop up, treat
920 * this as loop down only.
921 */
922 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
923 atomic_set(&vha->loop_state, LOOP_DOWN);
924 if (!atomic_read(&vha->loop_down_timer))
925 atomic_set(&vha->loop_down_timer,
926 LOOP_DOWN_TIME);
927 if (!N2N_TOPO(ha))
928 qla2x00_mark_all_devices_lost(vha, 1);
929 }
930
931 if (vha->vp_idx) {
932 atomic_set(&vha->vp_state, VP_FAILED);
933 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
934 }
935
936 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
937 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
938
939 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
940 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
941
942 vha->flags.management_server_logged_in = 0;
943 break;
944
945 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
946 if (IS_QLA2100(ha))
947 break;
948
949 ql_dbg(ql_dbg_async, vha, 0x500f,
950 "Configuration change detected: value=%x.\n", mb[1]);
951
952 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
953 atomic_set(&vha->loop_state, LOOP_DOWN);
954 if (!atomic_read(&vha->loop_down_timer))
955 atomic_set(&vha->loop_down_timer,
956 LOOP_DOWN_TIME);
957 qla2x00_mark_all_devices_lost(vha, 1);
958 }
959
960 if (vha->vp_idx) {
961 atomic_set(&vha->vp_state, VP_FAILED);
962 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
963 }
964
965 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
966 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
967 break;
968
969 case MBA_PORT_UPDATE: /* Port database update */
970 /*
971 * Handle only global and vn-port update events
972 *
973 * Relevant inputs:
974 * mb[1] = N_Port handle of changed port
975 * OR 0xffff for global event
976 * mb[2] = New login state
977 * 7 = Port logged out
978 * mb[3] = LSB is vp_idx, 0xff = all vps
979 *
980 * Skip processing if:
981 * Event is global, vp_idx is NOT all vps,
982 * vp_idx does not match
983 * Event is not global, vp_idx does not match
984 */
985 if (IS_QLA2XXX_MIDTYPE(ha) &&
986 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
987 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
988 break;
989
990 if (mb[2] == 0x7) {
991 ql_dbg(ql_dbg_async, vha, 0x5010,
992 "Port %s %04x %04x %04x.\n",
993 mb[1] == 0xffff ? "unavailable" : "logout",
994 mb[1], mb[2], mb[3]);
995
996 if (mb[1] == 0xffff)
997 goto global_port_update;
998
999 if (mb[1] == NPH_SNS_LID(ha)) {
1000 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1001 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1002 break;
1003 }
1004
1005 /* use handle_cnt for loop id/nport handle */
1006 if (IS_FWI2_CAPABLE(ha))
1007 handle_cnt = NPH_SNS;
1008 else
1009 handle_cnt = SIMPLE_NAME_SERVER;
1010 if (mb[1] == handle_cnt) {
1011 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1012 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1013 break;
1014 }
1015
1016 /* Port logout */
1017 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1018 if (!fcport)
1019 break;
1020 if (atomic_read(&fcport->state) != FCS_ONLINE)
1021 break;
1022 ql_dbg(ql_dbg_async, vha, 0x508a,
1023 "Marking port lost loopid=%04x portid=%06x.\n",
1024 fcport->loop_id, fcport->d_id.b24);
1025 if (qla_ini_mode_enabled(vha)) {
1026 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1027 fcport->logout_on_delete = 0;
1028 qlt_schedule_sess_for_deletion(fcport);
1029 }
1030 break;
1031
1032global_port_update:
1033 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1034 atomic_set(&vha->loop_state, LOOP_DOWN);
1035 atomic_set(&vha->loop_down_timer,
1036 LOOP_DOWN_TIME);
1037 vha->device_flags |= DFLG_NO_CABLE;
1038 qla2x00_mark_all_devices_lost(vha, 1);
1039 }
1040
1041 if (vha->vp_idx) {
1042 atomic_set(&vha->vp_state, VP_FAILED);
1043 fc_vport_set_state(vha->fc_vport,
1044 FC_VPORT_FAILED);
1045 qla2x00_mark_all_devices_lost(vha, 1);
1046 }
1047
1048 vha->flags.management_server_logged_in = 0;
1049 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1050 break;
1051 }
1052
1053 /*
1054 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1055 * event etc. earlier indicating loop is down) then process
1056 * it. Otherwise ignore it and Wait for RSCN to come in.
1057 */
1058 atomic_set(&vha->loop_down_timer, 0);
1059 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1060 !ha->flags.n2n_ae &&
1061 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1062 ql_dbg(ql_dbg_async, vha, 0x5011,
1063 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1064 mb[1], mb[2], mb[3]);
1065
1066 qlt_async_event(mb[0], vha, mb);
1067 break;
1068 }
1069
1070 ql_dbg(ql_dbg_async, vha, 0x5012,
1071 "Port database changed %04x %04x %04x.\n",
1072 mb[1], mb[2], mb[3]);
1073
1074 /*
1075 * Mark all devices as missing so we will login again.
1076 */
1077 atomic_set(&vha->loop_state, LOOP_UP);
1078 vha->scan.scan_retry = 0;
1079
1080 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1081 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1082 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1083
1084 qlt_async_event(mb[0], vha, mb);
1085 break;
1086
1087 case MBA_RSCN_UPDATE: /* State Change Registration */
1088 /* Check if the Vport has issued a SCR */
1089 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1090 break;
1091 /* Only handle SCNs for our Vport index. */
1092 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1093 break;
1094
1095 ql_dbg(ql_dbg_async, vha, 0x5013,
1096 "RSCN database changed -- %04x %04x %04x.\n",
1097 mb[1], mb[2], mb[3]);
1098
1099 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1100 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1101 | vha->d_id.b.al_pa;
1102 if (rscn_entry == host_pid) {
1103 ql_dbg(ql_dbg_async, vha, 0x5014,
1104 "Ignoring RSCN update to local host "
1105 "port ID (%06x).\n", host_pid);
1106 break;
1107 }
1108
1109 /* Ignore reserved bits from RSCN-payload. */
1110 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1111
1112 /* Skip RSCNs for virtual ports on the same physical port */
1113 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1114 break;
1115
1116 atomic_set(&vha->loop_down_timer, 0);
1117 vha->flags.management_server_logged_in = 0;
1118 {
1119 struct event_arg ea;
1120
1121 memset(&ea, 0, sizeof(ea));
1122 ea.event = FCME_RSCN;
1123 ea.id.b24 = rscn_entry;
1124 ea.id.b.rsvd_1 = rscn_entry >> 24;
1125 qla2x00_fcport_event_handler(vha, &ea);
1126 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1127 }
1128 break;
1129 /* case MBA_RIO_RESPONSE: */
1130 case MBA_ZIO_RESPONSE:
1131 ql_dbg(ql_dbg_async, vha, 0x5015,
1132 "[R|Z]IO update completion.\n");
1133
1134 if (IS_FWI2_CAPABLE(ha))
1135 qla24xx_process_response_queue(vha, rsp);
1136 else
1137 qla2x00_process_response_queue(rsp);
1138 break;
1139
1140 case MBA_DISCARD_RND_FRAME:
1141 ql_dbg(ql_dbg_async, vha, 0x5016,
1142 "Discard RND Frame -- %04x %04x %04x.\n",
1143 mb[1], mb[2], mb[3]);
1144 break;
1145
1146 case MBA_TRACE_NOTIFICATION:
1147 ql_dbg(ql_dbg_async, vha, 0x5017,
1148 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1149 break;
1150
1151 case MBA_ISP84XX_ALERT:
1152 ql_dbg(ql_dbg_async, vha, 0x5018,
1153 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1154 mb[1], mb[2], mb[3]);
1155
1156 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1157 switch (mb[1]) {
1158 case A84_PANIC_RECOVERY:
1159 ql_log(ql_log_info, vha, 0x5019,
1160 "Alert 84XX: panic recovery %04x %04x.\n",
1161 mb[2], mb[3]);
1162 break;
1163 case A84_OP_LOGIN_COMPLETE:
1164 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1165 ql_log(ql_log_info, vha, 0x501a,
1166 "Alert 84XX: firmware version %x.\n",
1167 ha->cs84xx->op_fw_version);
1168 break;
1169 case A84_DIAG_LOGIN_COMPLETE:
1170 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1171 ql_log(ql_log_info, vha, 0x501b,
1172 "Alert 84XX: diagnostic firmware version %x.\n",
1173 ha->cs84xx->diag_fw_version);
1174 break;
1175 case A84_GOLD_LOGIN_COMPLETE:
1176 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1177 ha->cs84xx->fw_update = 1;
1178 ql_log(ql_log_info, vha, 0x501c,
1179 "Alert 84XX: gold firmware version %x.\n",
1180 ha->cs84xx->gold_fw_version);
1181 break;
1182 default:
1183 ql_log(ql_log_warn, vha, 0x501d,
1184 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1185 mb[1], mb[2], mb[3]);
1186 }
1187 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1188 break;
1189 case MBA_DCBX_START:
1190 ql_dbg(ql_dbg_async, vha, 0x501e,
1191 "DCBX Started -- %04x %04x %04x.\n",
1192 mb[1], mb[2], mb[3]);
1193 break;
1194 case MBA_DCBX_PARAM_UPDATE:
1195 ql_dbg(ql_dbg_async, vha, 0x501f,
1196 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1197 mb[1], mb[2], mb[3]);
1198 break;
1199 case MBA_FCF_CONF_ERR:
1200 ql_dbg(ql_dbg_async, vha, 0x5020,
1201 "FCF Configuration Error -- %04x %04x %04x.\n",
1202 mb[1], mb[2], mb[3]);
1203 break;
1204 case MBA_IDC_NOTIFY:
1205 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1206 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1207 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1208 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1209 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1210 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1211 /*
1212 * Extend loop down timer since port is active.
1213 */
1214 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1215 atomic_set(&vha->loop_down_timer,
1216 LOOP_DOWN_TIME);
1217 qla2xxx_wake_dpc(vha);
1218 }
1219 }
1220 /* fall through */
1221 case MBA_IDC_COMPLETE:
1222 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1223 complete(&ha->lb_portup_comp);
1224 /* Fallthru */
1225 case MBA_IDC_TIME_EXT:
1226 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1227 IS_QLA8044(ha))
1228 qla81xx_idc_event(vha, mb[0], mb[1]);
1229 break;
1230
1231 case MBA_IDC_AEN:
1232 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1233 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1234 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1235 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1236 qla83xx_handle_8200_aen(vha, mb);
1237 break;
1238
1239 case MBA_DPORT_DIAGNOSTICS:
1240 ql_dbg(ql_dbg_async, vha, 0x5052,
1241 "D-Port Diagnostics: %04x result=%s\n",
1242 mb[0],
1243 mb[1] == 0 ? "start" :
1244 mb[1] == 1 ? "done (pass)" :
1245 mb[1] == 2 ? "done (error)" : "other");
1246 break;
1247
1248 case MBA_TEMPERATURE_ALERT:
1249 ql_dbg(ql_dbg_async, vha, 0x505e,
1250 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1251 if (mb[1] == 0x12)
1252 schedule_work(&ha->board_disable);
1253 break;
1254
1255 case MBA_TRANS_INSERT:
1256 ql_dbg(ql_dbg_async, vha, 0x5091,
1257 "Transceiver Insertion: %04x\n", mb[1]);
1258 break;
1259
1260 default:
1261 ql_dbg(ql_dbg_async, vha, 0x5057,
1262 "Unknown AEN:%04x %04x %04x %04x\n",
1263 mb[0], mb[1], mb[2], mb[3]);
1264 }
1265
1266 qlt_async_event(mb[0], vha, mb);
1267
1268 if (!vha->vp_idx && ha->num_vhosts)
1269 qla2x00_alert_all_vps(rsp, mb);
1270}
1271
1272/**
1273 * qla2x00_process_completed_request() - Process a Fast Post response.
1274 * @vha: SCSI driver HA context
1275 * @req: request queue
1276 * @index: SRB index
1277 */
1278void
1279qla2x00_process_completed_request(struct scsi_qla_host *vha,
1280 struct req_que *req, uint32_t index)
1281{
1282 srb_t *sp;
1283 struct qla_hw_data *ha = vha->hw;
1284
1285 /* Validate handle. */
1286 if (index >= req->num_outstanding_cmds) {
1287 ql_log(ql_log_warn, vha, 0x3014,
1288 "Invalid SCSI command index (%x).\n", index);
1289
1290 if (IS_P3P_TYPE(ha))
1291 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1292 else
1293 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1294 return;
1295 }
1296
1297 sp = req->outstanding_cmds[index];
1298 if (sp) {
1299 /* Free outstanding command slot. */
1300 req->outstanding_cmds[index] = NULL;
1301
1302 /* Save ISP completion status */
1303 sp->done(sp, DID_OK << 16);
1304 } else {
1305 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1306
1307 if (IS_P3P_TYPE(ha))
1308 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1309 else
1310 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1311 }
1312}
1313
1314srb_t *
1315qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1316 struct req_que *req, void *iocb)
1317{
1318 struct qla_hw_data *ha = vha->hw;
1319 sts_entry_t *pkt = iocb;
1320 srb_t *sp = NULL;
1321 uint16_t index;
1322
1323 index = LSW(pkt->handle);
1324 if (index >= req->num_outstanding_cmds) {
1325 ql_log(ql_log_warn, vha, 0x5031,
1326 "Invalid command index (%x) type %8ph.\n",
1327 index, iocb);
1328 if (IS_P3P_TYPE(ha))
1329 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1330 else
1331 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1332 goto done;
1333 }
1334 sp = req->outstanding_cmds[index];
1335 if (!sp) {
1336 ql_log(ql_log_warn, vha, 0x5032,
1337 "Invalid completion handle (%x) -- timed-out.\n", index);
1338 return sp;
1339 }
1340 if (sp->handle != index) {
1341 ql_log(ql_log_warn, vha, 0x5033,
1342 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1343 return NULL;
1344 }
1345
1346 req->outstanding_cmds[index] = NULL;
1347
1348done:
1349 return sp;
1350}
1351
1352static void
1353qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1354 struct mbx_entry *mbx)
1355{
1356 const char func[] = "MBX-IOCB";
1357 const char *type;
1358 fc_port_t *fcport;
1359 srb_t *sp;
1360 struct srb_iocb *lio;
1361 uint16_t *data;
1362 uint16_t status;
1363
1364 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1365 if (!sp)
1366 return;
1367
1368 lio = &sp->u.iocb_cmd;
1369 type = sp->name;
1370 fcport = sp->fcport;
1371 data = lio->u.logio.data;
1372
1373 data[0] = MBS_COMMAND_ERROR;
1374 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1375 QLA_LOGIO_LOGIN_RETRIED : 0;
1376 if (mbx->entry_status) {
1377 ql_dbg(ql_dbg_async, vha, 0x5043,
1378 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1379 "entry-status=%x status=%x state-flag=%x "
1380 "status-flags=%x.\n", type, sp->handle,
1381 fcport->d_id.b.domain, fcport->d_id.b.area,
1382 fcport->d_id.b.al_pa, mbx->entry_status,
1383 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1384 le16_to_cpu(mbx->status_flags));
1385
1386 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1387 mbx, sizeof(*mbx));
1388
1389 goto logio_done;
1390 }
1391
1392 status = le16_to_cpu(mbx->status);
1393 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1394 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1395 status = 0;
1396 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1397 ql_dbg(ql_dbg_async, vha, 0x5045,
1398 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1399 type, sp->handle, fcport->d_id.b.domain,
1400 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1401 le16_to_cpu(mbx->mb1));
1402
1403 data[0] = MBS_COMMAND_COMPLETE;
1404 if (sp->type == SRB_LOGIN_CMD) {
1405 fcport->port_type = FCT_TARGET;
1406 if (le16_to_cpu(mbx->mb1) & BIT_0)
1407 fcport->port_type = FCT_INITIATOR;
1408 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1409 fcport->flags |= FCF_FCP2_DEVICE;
1410 }
1411 goto logio_done;
1412 }
1413
1414 data[0] = le16_to_cpu(mbx->mb0);
1415 switch (data[0]) {
1416 case MBS_PORT_ID_USED:
1417 data[1] = le16_to_cpu(mbx->mb1);
1418 break;
1419 case MBS_LOOP_ID_USED:
1420 break;
1421 default:
1422 data[0] = MBS_COMMAND_ERROR;
1423 break;
1424 }
1425
1426 ql_log(ql_log_warn, vha, 0x5046,
1427 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1428 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1429 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1430 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1431 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1432 le16_to_cpu(mbx->mb7));
1433
1434logio_done:
1435 sp->done(sp, 0);
1436}
1437
1438static void
1439qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1440 struct mbx_24xx_entry *pkt)
1441{
1442 const char func[] = "MBX-IOCB2";
1443 srb_t *sp;
1444 struct srb_iocb *si;
1445 u16 sz, i;
1446 int res;
1447
1448 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1449 if (!sp)
1450 return;
1451
1452 si = &sp->u.iocb_cmd;
1453 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1454
1455 for (i = 0; i < sz; i++)
1456 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1457
1458 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1459
1460 sp->done(sp, res);
1461}
1462
1463static void
1464qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1465 struct nack_to_isp *pkt)
1466{
1467 const char func[] = "nack";
1468 srb_t *sp;
1469 int res = 0;
1470
1471 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1472 if (!sp)
1473 return;
1474
1475 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1476 res = QLA_FUNCTION_FAILED;
1477
1478 sp->done(sp, res);
1479}
1480
1481static void
1482qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1483 sts_entry_t *pkt, int iocb_type)
1484{
1485 const char func[] = "CT_IOCB";
1486 const char *type;
1487 srb_t *sp;
1488 struct bsg_job *bsg_job;
1489 struct fc_bsg_reply *bsg_reply;
1490 uint16_t comp_status;
1491 int res = 0;
1492
1493 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1494 if (!sp)
1495 return;
1496
1497 switch (sp->type) {
1498 case SRB_CT_CMD:
1499 bsg_job = sp->u.bsg_job;
1500 bsg_reply = bsg_job->reply;
1501
1502 type = "ct pass-through";
1503
1504 comp_status = le16_to_cpu(pkt->comp_status);
1505
1506 /*
1507 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1508 * fc payload to the caller
1509 */
1510 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1511 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1512
1513 if (comp_status != CS_COMPLETE) {
1514 if (comp_status == CS_DATA_UNDERRUN) {
1515 res = DID_OK << 16;
1516 bsg_reply->reply_payload_rcv_len =
1517 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1518
1519 ql_log(ql_log_warn, vha, 0x5048,
1520 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1521 type, comp_status,
1522 bsg_reply->reply_payload_rcv_len);
1523 } else {
1524 ql_log(ql_log_warn, vha, 0x5049,
1525 "CT pass-through-%s error comp_status=0x%x.\n",
1526 type, comp_status);
1527 res = DID_ERROR << 16;
1528 bsg_reply->reply_payload_rcv_len = 0;
1529 }
1530 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1531 pkt, sizeof(*pkt));
1532 } else {
1533 res = DID_OK << 16;
1534 bsg_reply->reply_payload_rcv_len =
1535 bsg_job->reply_payload.payload_len;
1536 bsg_job->reply_len = 0;
1537 }
1538 break;
1539 case SRB_CT_PTHRU_CMD:
1540 /*
1541 * borrowing sts_entry_24xx.comp_status.
1542 * same location as ct_entry_24xx.comp_status
1543 */
1544 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1545 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1546 sp->name);
1547 break;
1548 }
1549
1550 sp->done(sp, res);
1551}
1552
1553static void
1554qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1555 struct sts_entry_24xx *pkt, int iocb_type)
1556{
1557 const char func[] = "ELS_CT_IOCB";
1558 const char *type;
1559 srb_t *sp;
1560 struct bsg_job *bsg_job;
1561 struct fc_bsg_reply *bsg_reply;
1562 uint16_t comp_status;
1563 uint32_t fw_status[3];
1564 int res;
1565 struct srb_iocb *els;
1566
1567 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1568 if (!sp)
1569 return;
1570
1571 type = NULL;
1572 switch (sp->type) {
1573 case SRB_ELS_CMD_RPT:
1574 case SRB_ELS_CMD_HST:
1575 type = "els";
1576 break;
1577 case SRB_CT_CMD:
1578 type = "ct pass-through";
1579 break;
1580 case SRB_ELS_DCMD:
1581 type = "Driver ELS logo";
1582 if (iocb_type != ELS_IOCB_TYPE) {
1583 ql_dbg(ql_dbg_user, vha, 0x5047,
1584 "Completing %s: (%p) type=%d.\n",
1585 type, sp, sp->type);
1586 sp->done(sp, 0);
1587 return;
1588 }
1589 break;
1590 case SRB_CT_PTHRU_CMD:
1591 /* borrowing sts_entry_24xx.comp_status.
1592 same location as ct_entry_24xx.comp_status
1593 */
1594 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1595 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1596 sp->name);
1597 sp->done(sp, res);
1598 return;
1599 default:
1600 ql_dbg(ql_dbg_user, vha, 0x503e,
1601 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1602 return;
1603 }
1604
1605 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1606 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
1607 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
1608
1609 if (iocb_type == ELS_IOCB_TYPE) {
1610 els = &sp->u.iocb_cmd;
1611 els->u.els_plogi.fw_status[0] = fw_status[0];
1612 els->u.els_plogi.fw_status[1] = fw_status[1];
1613 els->u.els_plogi.fw_status[2] = fw_status[2];
1614 els->u.els_plogi.comp_status = fw_status[0];
1615 if (comp_status == CS_COMPLETE) {
1616 res = DID_OK << 16;
1617 } else {
1618 if (comp_status == CS_DATA_UNDERRUN) {
1619 res = DID_OK << 16;
1620 els->u.els_plogi.len =
1621 le16_to_cpu(((struct els_sts_entry_24xx *)
1622 pkt)->total_byte_count);
1623 } else {
1624 els->u.els_plogi.len = 0;
1625 res = DID_ERROR << 16;
1626 }
1627 }
1628 ql_dbg(ql_dbg_user, vha, 0x503f,
1629 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n",
1630 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1631 le16_to_cpu(((struct els_sts_entry_24xx *)
1632 pkt)->total_byte_count));
1633 goto els_ct_done;
1634 }
1635
1636 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1637 * fc payload to the caller
1638 */
1639 bsg_job = sp->u.bsg_job;
1640 bsg_reply = bsg_job->reply;
1641 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1642 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1643
1644 if (comp_status != CS_COMPLETE) {
1645 if (comp_status == CS_DATA_UNDERRUN) {
1646 res = DID_OK << 16;
1647 bsg_reply->reply_payload_rcv_len =
1648 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1649
1650 ql_dbg(ql_dbg_user, vha, 0x503f,
1651 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1652 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1653 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1654 le16_to_cpu(((struct els_sts_entry_24xx *)
1655 pkt)->total_byte_count));
1656 } else {
1657 ql_dbg(ql_dbg_user, vha, 0x5040,
1658 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1659 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1660 type, sp->handle, comp_status,
1661 le16_to_cpu(((struct els_sts_entry_24xx *)
1662 pkt)->error_subcode_1),
1663 le16_to_cpu(((struct els_sts_entry_24xx *)
1664 pkt)->error_subcode_2));
1665 res = DID_ERROR << 16;
1666 bsg_reply->reply_payload_rcv_len = 0;
1667 }
1668 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1669 fw_status, sizeof(fw_status));
1670 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1671 pkt, sizeof(*pkt));
1672 }
1673 else {
1674 res = DID_OK << 16;
1675 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1676 bsg_job->reply_len = 0;
1677 }
1678els_ct_done:
1679
1680 sp->done(sp, res);
1681}
1682
1683static void
1684qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1685 struct logio_entry_24xx *logio)
1686{
1687 const char func[] = "LOGIO-IOCB";
1688 const char *type;
1689 fc_port_t *fcport;
1690 srb_t *sp;
1691 struct srb_iocb *lio;
1692 uint16_t *data;
1693 uint32_t iop[2];
1694
1695 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1696 if (!sp)
1697 return;
1698
1699 lio = &sp->u.iocb_cmd;
1700 type = sp->name;
1701 fcport = sp->fcport;
1702 data = lio->u.logio.data;
1703
1704 data[0] = MBS_COMMAND_ERROR;
1705 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1706 QLA_LOGIO_LOGIN_RETRIED : 0;
1707 if (logio->entry_status) {
1708 ql_log(ql_log_warn, fcport->vha, 0x5034,
1709 "Async-%s error entry - %8phC hdl=%x"
1710 "portid=%02x%02x%02x entry-status=%x.\n",
1711 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1712 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1713 logio->entry_status);
1714 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1715 logio, sizeof(*logio));
1716
1717 goto logio_done;
1718 }
1719
1720 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1721 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1722 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1723 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1724 fcport->d_id.b.domain,
1725 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1726 le32_to_cpu(logio->io_parameter[0]));
1727
1728 vha->hw->exch_starvation = 0;
1729 data[0] = MBS_COMMAND_COMPLETE;
1730
1731 if (sp->type == SRB_PRLI_CMD) {
1732 lio->u.logio.iop[0] =
1733 le32_to_cpu(logio->io_parameter[0]);
1734 lio->u.logio.iop[1] =
1735 le32_to_cpu(logio->io_parameter[1]);
1736 goto logio_done;
1737 }
1738
1739 if (sp->type != SRB_LOGIN_CMD)
1740 goto logio_done;
1741
1742 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1743 if (iop[0] & BIT_4) {
1744 fcport->port_type = FCT_TARGET;
1745 if (iop[0] & BIT_8)
1746 fcport->flags |= FCF_FCP2_DEVICE;
1747 } else if (iop[0] & BIT_5)
1748 fcport->port_type = FCT_INITIATOR;
1749
1750 if (iop[0] & BIT_7)
1751 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1752
1753 if (logio->io_parameter[7] || logio->io_parameter[8])
1754 fcport->supported_classes |= FC_COS_CLASS2;
1755 if (logio->io_parameter[9] || logio->io_parameter[10])
1756 fcport->supported_classes |= FC_COS_CLASS3;
1757
1758 goto logio_done;
1759 }
1760
1761 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1762 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1763 lio->u.logio.iop[0] = iop[0];
1764 lio->u.logio.iop[1] = iop[1];
1765 switch (iop[0]) {
1766 case LSC_SCODE_PORTID_USED:
1767 data[0] = MBS_PORT_ID_USED;
1768 data[1] = LSW(iop[1]);
1769 break;
1770 case LSC_SCODE_NPORT_USED:
1771 data[0] = MBS_LOOP_ID_USED;
1772 break;
1773 case LSC_SCODE_CMD_FAILED:
1774 if (iop[1] == 0x0606) {
1775 /*
1776 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1777 * Target side acked.
1778 */
1779 data[0] = MBS_COMMAND_COMPLETE;
1780 goto logio_done;
1781 }
1782 data[0] = MBS_COMMAND_ERROR;
1783 break;
1784 case LSC_SCODE_NOXCB:
1785 vha->hw->exch_starvation++;
1786 if (vha->hw->exch_starvation > 5) {
1787 ql_log(ql_log_warn, vha, 0xd046,
1788 "Exchange starvation. Resetting RISC\n");
1789
1790 vha->hw->exch_starvation = 0;
1791
1792 if (IS_P3P_TYPE(vha->hw))
1793 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1794 else
1795 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1796 qla2xxx_wake_dpc(vha);
1797 }
1798 /* fall through */
1799 default:
1800 data[0] = MBS_COMMAND_ERROR;
1801 break;
1802 }
1803
1804 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1805 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1806 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1807 sp->handle, fcport->d_id.b.domain,
1808 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1809 le16_to_cpu(logio->comp_status),
1810 le32_to_cpu(logio->io_parameter[0]),
1811 le32_to_cpu(logio->io_parameter[1]));
1812
1813logio_done:
1814 sp->done(sp, 0);
1815}
1816
1817static void
1818qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1819{
1820 const char func[] = "TMF-IOCB";
1821 const char *type;
1822 fc_port_t *fcport;
1823 srb_t *sp;
1824 struct srb_iocb *iocb;
1825 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1826
1827 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1828 if (!sp)
1829 return;
1830
1831 iocb = &sp->u.iocb_cmd;
1832 type = sp->name;
1833 fcport = sp->fcport;
1834 iocb->u.tmf.data = QLA_SUCCESS;
1835
1836 if (sts->entry_status) {
1837 ql_log(ql_log_warn, fcport->vha, 0x5038,
1838 "Async-%s error - hdl=%x entry-status(%x).\n",
1839 type, sp->handle, sts->entry_status);
1840 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1841 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1842 ql_log(ql_log_warn, fcport->vha, 0x5039,
1843 "Async-%s error - hdl=%x completion status(%x).\n",
1844 type, sp->handle, sts->comp_status);
1845 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1846 } else if ((le16_to_cpu(sts->scsi_status) &
1847 SS_RESPONSE_INFO_LEN_VALID)) {
1848 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1849 ql_log(ql_log_warn, fcport->vha, 0x503b,
1850 "Async-%s error - hdl=%x not enough response(%d).\n",
1851 type, sp->handle, sts->rsp_data_len);
1852 } else if (sts->data[3]) {
1853 ql_log(ql_log_warn, fcport->vha, 0x503c,
1854 "Async-%s error - hdl=%x response(%x).\n",
1855 type, sp->handle, sts->data[3]);
1856 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1857 }
1858 }
1859
1860 if (iocb->u.tmf.data != QLA_SUCCESS)
1861 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
1862 sts, sizeof(*sts));
1863
1864 sp->done(sp, 0);
1865}
1866
1867static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1868 void *tsk, srb_t *sp)
1869{
1870 fc_port_t *fcport;
1871 struct srb_iocb *iocb;
1872 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1873 uint16_t state_flags;
1874 struct nvmefc_fcp_req *fd;
1875 uint16_t ret = QLA_SUCCESS;
1876 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1877
1878 iocb = &sp->u.iocb_cmd;
1879 fcport = sp->fcport;
1880 iocb->u.nvme.comp_status = comp_status;
1881 state_flags = le16_to_cpu(sts->state_flags);
1882 fd = iocb->u.nvme.desc;
1883
1884 if (unlikely(iocb->u.nvme.aen_op))
1885 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1886
1887 /*
1888 * State flags: Bit 6 and 0.
1889 * If 0 is set, we don't care about 6.
1890 * both cases resp was dma'd to host buffer
1891 * if both are 0, that is good path case.
1892 * if six is set and 0 is clear, we need to
1893 * copy resp data from status iocb to resp buffer.
1894 */
1895 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1896 iocb->u.nvme.rsp_pyld_len = 0;
1897 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1898 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1899 } else if (state_flags & SF_NVME_ERSP) {
1900 uint32_t *inbuf, *outbuf;
1901 uint16_t iter;
1902
1903 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1904 outbuf = (uint32_t *)fd->rspaddr;
1905 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1906 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1907 for (; iter; iter--)
1908 *outbuf++ = swab32(*inbuf++);
1909 } else { /* unhandled case */
1910 ql_log(ql_log_warn, fcport->vha, 0x503a,
1911 "NVME-%s error. Unhandled state_flags of %x\n",
1912 sp->name, state_flags);
1913 }
1914
1915 fd->transferred_length = fd->payload_length -
1916 le32_to_cpu(sts->residual_len);
1917
1918 if (unlikely(comp_status != CS_COMPLETE))
1919 ql_log(ql_log_warn, fcport->vha, 0x5060,
1920 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
1921 sp->name, sp->handle, comp_status,
1922 fd->transferred_length, le32_to_cpu(sts->residual_len),
1923 sts->ox_id);
1924
1925 /*
1926 * If transport error then Failure (HBA rejects request)
1927 * otherwise transport will handle.
1928 */
1929 switch (comp_status) {
1930 case CS_COMPLETE:
1931 break;
1932
1933 case CS_RESET:
1934 case CS_PORT_UNAVAILABLE:
1935 case CS_PORT_LOGGED_OUT:
1936 fcport->nvme_flag |= NVME_FLAG_RESETTING;
1937 /* fall through */
1938 case CS_ABORTED:
1939 case CS_PORT_BUSY:
1940 fd->transferred_length = 0;
1941 iocb->u.nvme.rsp_pyld_len = 0;
1942 ret = QLA_ABORTED;
1943 break;
1944 case CS_DATA_UNDERRUN:
1945 break;
1946 default:
1947 ret = QLA_FUNCTION_FAILED;
1948 break;
1949 }
1950 sp->done(sp, ret);
1951}
1952
1953static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1954 struct vp_ctrl_entry_24xx *vce)
1955{
1956 const char func[] = "CTRLVP-IOCB";
1957 srb_t *sp;
1958 int rval = QLA_SUCCESS;
1959
1960 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1961 if (!sp)
1962 return;
1963
1964 if (vce->entry_status != 0) {
1965 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1966 "%s: Failed to complete IOCB -- error status (%x)\n",
1967 sp->name, vce->entry_status);
1968 rval = QLA_FUNCTION_FAILED;
1969 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1970 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1971 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1972 sp->name, le16_to_cpu(vce->comp_status),
1973 le16_to_cpu(vce->vp_idx_failed));
1974 rval = QLA_FUNCTION_FAILED;
1975 } else {
1976 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1977 "Done %s.\n", __func__);
1978 }
1979
1980 sp->rc = rval;
1981 sp->done(sp, rval);
1982}
1983
1984/* Process a single response queue entry. */
1985static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
1986 struct rsp_que *rsp,
1987 sts_entry_t *pkt)
1988{
1989 sts21_entry_t *sts21_entry;
1990 sts22_entry_t *sts22_entry;
1991 uint16_t handle_cnt;
1992 uint16_t cnt;
1993
1994 switch (pkt->entry_type) {
1995 case STATUS_TYPE:
1996 qla2x00_status_entry(vha, rsp, pkt);
1997 break;
1998 case STATUS_TYPE_21:
1999 sts21_entry = (sts21_entry_t *)pkt;
2000 handle_cnt = sts21_entry->handle_count;
2001 for (cnt = 0; cnt < handle_cnt; cnt++)
2002 qla2x00_process_completed_request(vha, rsp->req,
2003 sts21_entry->handle[cnt]);
2004 break;
2005 case STATUS_TYPE_22:
2006 sts22_entry = (sts22_entry_t *)pkt;
2007 handle_cnt = sts22_entry->handle_count;
2008 for (cnt = 0; cnt < handle_cnt; cnt++)
2009 qla2x00_process_completed_request(vha, rsp->req,
2010 sts22_entry->handle[cnt]);
2011 break;
2012 case STATUS_CONT_TYPE:
2013 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2014 break;
2015 case MBX_IOCB_TYPE:
2016 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
2017 break;
2018 case CT_IOCB_TYPE:
2019 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2020 break;
2021 default:
2022 /* Type Not Supported. */
2023 ql_log(ql_log_warn, vha, 0x504a,
2024 "Received unknown response pkt type %x entry status=%x.\n",
2025 pkt->entry_type, pkt->entry_status);
2026 break;
2027 }
2028}
2029
2030/**
2031 * qla2x00_process_response_queue() - Process response queue entries.
2032 * @rsp: response queue
2033 */
2034void
2035qla2x00_process_response_queue(struct rsp_que *rsp)
2036{
2037 struct scsi_qla_host *vha;
2038 struct qla_hw_data *ha = rsp->hw;
2039 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2040 sts_entry_t *pkt;
2041
2042 vha = pci_get_drvdata(ha->pdev);
2043
2044 if (!vha->flags.online)
2045 return;
2046
2047 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2048 pkt = (sts_entry_t *)rsp->ring_ptr;
2049
2050 rsp->ring_index++;
2051 if (rsp->ring_index == rsp->length) {
2052 rsp->ring_index = 0;
2053 rsp->ring_ptr = rsp->ring;
2054 } else {
2055 rsp->ring_ptr++;
2056 }
2057
2058 if (pkt->entry_status != 0) {
2059 qla2x00_error_entry(vha, rsp, pkt);
2060 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2061 wmb();
2062 continue;
2063 }
2064
2065 qla2x00_process_response_entry(vha, rsp, pkt);
2066 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2067 wmb();
2068 }
2069
2070 /* Adjust ring index */
2071 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2072}
2073
2074static inline void
2075qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2076 uint32_t sense_len, struct rsp_que *rsp, int res)
2077{
2078 struct scsi_qla_host *vha = sp->vha;
2079 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2080 uint32_t track_sense_len;
2081
2082 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2083 sense_len = SCSI_SENSE_BUFFERSIZE;
2084
2085 SET_CMD_SENSE_LEN(sp, sense_len);
2086 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2087 track_sense_len = sense_len;
2088
2089 if (sense_len > par_sense_len)
2090 sense_len = par_sense_len;
2091
2092 memcpy(cp->sense_buffer, sense_data, sense_len);
2093
2094 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2095 track_sense_len -= sense_len;
2096 SET_CMD_SENSE_LEN(sp, track_sense_len);
2097
2098 if (track_sense_len != 0) {
2099 rsp->status_srb = sp;
2100 cp->result = res;
2101 }
2102
2103 if (sense_len) {
2104 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2105 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2106 sp->vha->host_no, cp->device->id, cp->device->lun,
2107 cp);
2108 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2109 cp->sense_buffer, sense_len);
2110 }
2111}
2112
2113struct scsi_dif_tuple {
2114 __be16 guard; /* Checksum */
2115 __be16 app_tag; /* APPL identifier */
2116 __be32 ref_tag; /* Target LBA or indirect LBA */
2117};
2118
2119/*
2120 * Checks the guard or meta-data for the type of error
2121 * detected by the HBA. In case of errors, we set the
2122 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2123 * to indicate to the kernel that the HBA detected error.
2124 */
2125static inline int
2126qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2127{
2128 struct scsi_qla_host *vha = sp->vha;
2129 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2130 uint8_t *ap = &sts24->data[12];
2131 uint8_t *ep = &sts24->data[20];
2132 uint32_t e_ref_tag, a_ref_tag;
2133 uint16_t e_app_tag, a_app_tag;
2134 uint16_t e_guard, a_guard;
2135
2136 /*
2137 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2138 * would make guard field appear at offset 2
2139 */
2140 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2141 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2142 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2143 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2144 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2145 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2146
2147 ql_dbg(ql_dbg_io, vha, 0x3023,
2148 "iocb(s) %p Returned STATUS.\n", sts24);
2149
2150 ql_dbg(ql_dbg_io, vha, 0x3024,
2151 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2152 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2153 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2154 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2155 a_app_tag, e_app_tag, a_guard, e_guard);
2156
2157 /*
2158 * Ignore sector if:
2159 * For type 3: ref & app tag is all 'f's
2160 * For type 0,1,2: app tag is all 'f's
2161 */
2162 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2163 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2164 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2165 uint32_t blocks_done, resid;
2166 sector_t lba_s = scsi_get_lba(cmd);
2167
2168 /* 2TB boundary case covered automatically with this */
2169 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2170
2171 resid = scsi_bufflen(cmd) - (blocks_done *
2172 cmd->device->sector_size);
2173
2174 scsi_set_resid(cmd, resid);
2175 cmd->result = DID_OK << 16;
2176
2177 /* Update protection tag */
2178 if (scsi_prot_sg_count(cmd)) {
2179 uint32_t i, j = 0, k = 0, num_ent;
2180 struct scatterlist *sg;
2181 struct t10_pi_tuple *spt;
2182
2183 /* Patch the corresponding protection tags */
2184 scsi_for_each_prot_sg(cmd, sg,
2185 scsi_prot_sg_count(cmd), i) {
2186 num_ent = sg_dma_len(sg) / 8;
2187 if (k + num_ent < blocks_done) {
2188 k += num_ent;
2189 continue;
2190 }
2191 j = blocks_done - k - 1;
2192 k = blocks_done;
2193 break;
2194 }
2195
2196 if (k != blocks_done) {
2197 ql_log(ql_log_warn, vha, 0x302f,
2198 "unexpected tag values tag:lba=%x:%llx)\n",
2199 e_ref_tag, (unsigned long long)lba_s);
2200 return 1;
2201 }
2202
2203 spt = page_address(sg_page(sg)) + sg->offset;
2204 spt += j;
2205
2206 spt->app_tag = T10_PI_APP_ESCAPE;
2207 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2208 spt->ref_tag = T10_PI_REF_ESCAPE;
2209 }
2210
2211 return 0;
2212 }
2213
2214 /* check guard */
2215 if (e_guard != a_guard) {
2216 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2217 0x10, 0x1);
2218 set_driver_byte(cmd, DRIVER_SENSE);
2219 set_host_byte(cmd, DID_ABORT);
2220 cmd->result |= SAM_STAT_CHECK_CONDITION;
2221 return 1;
2222 }
2223
2224 /* check ref tag */
2225 if (e_ref_tag != a_ref_tag) {
2226 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2227 0x10, 0x3);
2228 set_driver_byte(cmd, DRIVER_SENSE);
2229 set_host_byte(cmd, DID_ABORT);
2230 cmd->result |= SAM_STAT_CHECK_CONDITION;
2231 return 1;
2232 }
2233
2234 /* check appl tag */
2235 if (e_app_tag != a_app_tag) {
2236 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2237 0x10, 0x2);
2238 set_driver_byte(cmd, DRIVER_SENSE);
2239 set_host_byte(cmd, DID_ABORT);
2240 cmd->result |= SAM_STAT_CHECK_CONDITION;
2241 return 1;
2242 }
2243
2244 return 1;
2245}
2246
2247static void
2248qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2249 struct req_que *req, uint32_t index)
2250{
2251 struct qla_hw_data *ha = vha->hw;
2252 srb_t *sp;
2253 uint16_t comp_status;
2254 uint16_t scsi_status;
2255 uint16_t thread_id;
2256 uint32_t rval = EXT_STATUS_OK;
2257 struct bsg_job *bsg_job = NULL;
2258 struct fc_bsg_request *bsg_request;
2259 struct fc_bsg_reply *bsg_reply;
2260 sts_entry_t *sts;
2261 struct sts_entry_24xx *sts24;
2262
2263 sts = (sts_entry_t *) pkt;
2264 sts24 = (struct sts_entry_24xx *) pkt;
2265
2266 /* Validate handle. */
2267 if (index >= req->num_outstanding_cmds) {
2268 ql_log(ql_log_warn, vha, 0x70af,
2269 "Invalid SCSI completion handle 0x%x.\n", index);
2270 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2271 return;
2272 }
2273
2274 sp = req->outstanding_cmds[index];
2275 if (!sp) {
2276 ql_log(ql_log_warn, vha, 0x70b0,
2277 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2278 req->id, index);
2279
2280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2281 return;
2282 }
2283
2284 /* Free outstanding command slot. */
2285 req->outstanding_cmds[index] = NULL;
2286 bsg_job = sp->u.bsg_job;
2287 bsg_request = bsg_job->request;
2288 bsg_reply = bsg_job->reply;
2289
2290 if (IS_FWI2_CAPABLE(ha)) {
2291 comp_status = le16_to_cpu(sts24->comp_status);
2292 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2293 } else {
2294 comp_status = le16_to_cpu(sts->comp_status);
2295 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2296 }
2297
2298 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2299 switch (comp_status) {
2300 case CS_COMPLETE:
2301 if (scsi_status == 0) {
2302 bsg_reply->reply_payload_rcv_len =
2303 bsg_job->reply_payload.payload_len;
2304 vha->qla_stats.input_bytes +=
2305 bsg_reply->reply_payload_rcv_len;
2306 vha->qla_stats.input_requests++;
2307 rval = EXT_STATUS_OK;
2308 }
2309 goto done;
2310
2311 case CS_DATA_OVERRUN:
2312 ql_dbg(ql_dbg_user, vha, 0x70b1,
2313 "Command completed with data overrun thread_id=%d\n",
2314 thread_id);
2315 rval = EXT_STATUS_DATA_OVERRUN;
2316 break;
2317
2318 case CS_DATA_UNDERRUN:
2319 ql_dbg(ql_dbg_user, vha, 0x70b2,
2320 "Command completed with data underrun thread_id=%d\n",
2321 thread_id);
2322 rval = EXT_STATUS_DATA_UNDERRUN;
2323 break;
2324 case CS_BIDIR_RD_OVERRUN:
2325 ql_dbg(ql_dbg_user, vha, 0x70b3,
2326 "Command completed with read data overrun thread_id=%d\n",
2327 thread_id);
2328 rval = EXT_STATUS_DATA_OVERRUN;
2329 break;
2330
2331 case CS_BIDIR_RD_WR_OVERRUN:
2332 ql_dbg(ql_dbg_user, vha, 0x70b4,
2333 "Command completed with read and write data overrun "
2334 "thread_id=%d\n", thread_id);
2335 rval = EXT_STATUS_DATA_OVERRUN;
2336 break;
2337
2338 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2339 ql_dbg(ql_dbg_user, vha, 0x70b5,
2340 "Command completed with read data over and write data "
2341 "underrun thread_id=%d\n", thread_id);
2342 rval = EXT_STATUS_DATA_OVERRUN;
2343 break;
2344
2345 case CS_BIDIR_RD_UNDERRUN:
2346 ql_dbg(ql_dbg_user, vha, 0x70b6,
2347 "Command completed with read data underrun "
2348 "thread_id=%d\n", thread_id);
2349 rval = EXT_STATUS_DATA_UNDERRUN;
2350 break;
2351
2352 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2353 ql_dbg(ql_dbg_user, vha, 0x70b7,
2354 "Command completed with read data under and write data "
2355 "overrun thread_id=%d\n", thread_id);
2356 rval = EXT_STATUS_DATA_UNDERRUN;
2357 break;
2358
2359 case CS_BIDIR_RD_WR_UNDERRUN:
2360 ql_dbg(ql_dbg_user, vha, 0x70b8,
2361 "Command completed with read and write data underrun "
2362 "thread_id=%d\n", thread_id);
2363 rval = EXT_STATUS_DATA_UNDERRUN;
2364 break;
2365
2366 case CS_BIDIR_DMA:
2367 ql_dbg(ql_dbg_user, vha, 0x70b9,
2368 "Command completed with data DMA error thread_id=%d\n",
2369 thread_id);
2370 rval = EXT_STATUS_DMA_ERR;
2371 break;
2372
2373 case CS_TIMEOUT:
2374 ql_dbg(ql_dbg_user, vha, 0x70ba,
2375 "Command completed with timeout thread_id=%d\n",
2376 thread_id);
2377 rval = EXT_STATUS_TIMEOUT;
2378 break;
2379 default:
2380 ql_dbg(ql_dbg_user, vha, 0x70bb,
2381 "Command completed with completion status=0x%x "
2382 "thread_id=%d\n", comp_status, thread_id);
2383 rval = EXT_STATUS_ERR;
2384 break;
2385 }
2386 bsg_reply->reply_payload_rcv_len = 0;
2387
2388done:
2389 /* Return the vendor specific reply to API */
2390 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2391 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2392 /* Always return DID_OK, bsg will send the vendor specific response
2393 * in this case only */
2394 sp->done(sp, DID_OK << 16);
2395
2396}
2397
2398/**
2399 * qla2x00_status_entry() - Process a Status IOCB entry.
2400 * @vha: SCSI driver HA context
2401 * @rsp: response queue
2402 * @pkt: Entry pointer
2403 */
2404static void
2405qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2406{
2407 srb_t *sp;
2408 fc_port_t *fcport;
2409 struct scsi_cmnd *cp;
2410 sts_entry_t *sts;
2411 struct sts_entry_24xx *sts24;
2412 uint16_t comp_status;
2413 uint16_t scsi_status;
2414 uint16_t ox_id;
2415 uint8_t lscsi_status;
2416 int32_t resid;
2417 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2418 fw_resid_len;
2419 uint8_t *rsp_info, *sense_data;
2420 struct qla_hw_data *ha = vha->hw;
2421 uint32_t handle;
2422 uint16_t que;
2423 struct req_que *req;
2424 int logit = 1;
2425 int res = 0;
2426 uint16_t state_flags = 0;
2427 uint16_t retry_delay = 0;
2428
2429 sts = (sts_entry_t *) pkt;
2430 sts24 = (struct sts_entry_24xx *) pkt;
2431 if (IS_FWI2_CAPABLE(ha)) {
2432 comp_status = le16_to_cpu(sts24->comp_status);
2433 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2434 state_flags = le16_to_cpu(sts24->state_flags);
2435 } else {
2436 comp_status = le16_to_cpu(sts->comp_status);
2437 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2438 }
2439 handle = (uint32_t) LSW(sts->handle);
2440 que = MSW(sts->handle);
2441 req = ha->req_q_map[que];
2442
2443 /* Check for invalid queue pointer */
2444 if (req == NULL ||
2445 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2446 ql_dbg(ql_dbg_io, vha, 0x3059,
2447 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2448 "que=%u.\n", sts->handle, req, que);
2449 return;
2450 }
2451
2452 /* Validate handle. */
2453 if (handle < req->num_outstanding_cmds) {
2454 sp = req->outstanding_cmds[handle];
2455 if (!sp) {
2456 ql_dbg(ql_dbg_io, vha, 0x3075,
2457 "%s(%ld): Already returned command for status handle (0x%x).\n",
2458 __func__, vha->host_no, sts->handle);
2459 return;
2460 }
2461 } else {
2462 ql_dbg(ql_dbg_io, vha, 0x3017,
2463 "Invalid status handle, out of range (0x%x).\n",
2464 sts->handle);
2465
2466 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2467 if (IS_P3P_TYPE(ha))
2468 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2469 else
2470 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2471 qla2xxx_wake_dpc(vha);
2472 }
2473 return;
2474 }
2475
2476 if (sp->cmd_type != TYPE_SRB) {
2477 req->outstanding_cmds[handle] = NULL;
2478 ql_dbg(ql_dbg_io, vha, 0x3015,
2479 "Unknown sp->cmd_type %x %p).\n",
2480 sp->cmd_type, sp);
2481 return;
2482 }
2483
2484 /* NVME completion. */
2485 if (sp->type == SRB_NVME_CMD) {
2486 req->outstanding_cmds[handle] = NULL;
2487 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2488 return;
2489 }
2490
2491 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2492 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2493 return;
2494 }
2495
2496 /* Task Management completion. */
2497 if (sp->type == SRB_TM_CMD) {
2498 qla24xx_tm_iocb_entry(vha, req, pkt);
2499 return;
2500 }
2501
2502 /* Fast path completion. */
2503 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2504 qla2x00_process_completed_request(vha, req, handle);
2505
2506 return;
2507 }
2508
2509 req->outstanding_cmds[handle] = NULL;
2510 cp = GET_CMD_SP(sp);
2511 if (cp == NULL) {
2512 ql_dbg(ql_dbg_io, vha, 0x3018,
2513 "Command already returned (0x%x/%p).\n",
2514 sts->handle, sp);
2515
2516 return;
2517 }
2518
2519 lscsi_status = scsi_status & STATUS_MASK;
2520
2521 fcport = sp->fcport;
2522
2523 ox_id = 0;
2524 sense_len = par_sense_len = rsp_info_len = resid_len =
2525 fw_resid_len = 0;
2526 if (IS_FWI2_CAPABLE(ha)) {
2527 if (scsi_status & SS_SENSE_LEN_VALID)
2528 sense_len = le32_to_cpu(sts24->sense_len);
2529 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2530 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2531 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2532 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2533 if (comp_status == CS_DATA_UNDERRUN)
2534 fw_resid_len = le32_to_cpu(sts24->residual_len);
2535 rsp_info = sts24->data;
2536 sense_data = sts24->data;
2537 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2538 ox_id = le16_to_cpu(sts24->ox_id);
2539 par_sense_len = sizeof(sts24->data);
2540 /* Valid values of the retry delay timer are 0x1-0xffef */
2541 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2542 retry_delay = sts24->retry_delay & 0x3fff;
2543 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2544 "%s: scope=%#x retry_delay=%#x\n", __func__,
2545 sts24->retry_delay >> 14, retry_delay);
2546 }
2547 } else {
2548 if (scsi_status & SS_SENSE_LEN_VALID)
2549 sense_len = le16_to_cpu(sts->req_sense_length);
2550 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2551 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2552 resid_len = le32_to_cpu(sts->residual_length);
2553 rsp_info = sts->rsp_info;
2554 sense_data = sts->req_sense_data;
2555 par_sense_len = sizeof(sts->req_sense_data);
2556 }
2557
2558 /* Check for any FCP transport errors. */
2559 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2560 /* Sense data lies beyond any FCP RESPONSE data. */
2561 if (IS_FWI2_CAPABLE(ha)) {
2562 sense_data += rsp_info_len;
2563 par_sense_len -= rsp_info_len;
2564 }
2565 if (rsp_info_len > 3 && rsp_info[3]) {
2566 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2567 "FCP I/O protocol failure (0x%x/0x%x).\n",
2568 rsp_info_len, rsp_info[3]);
2569
2570 res = DID_BUS_BUSY << 16;
2571 goto out;
2572 }
2573 }
2574
2575 /* Check for overrun. */
2576 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2577 scsi_status & SS_RESIDUAL_OVER)
2578 comp_status = CS_DATA_OVERRUN;
2579
2580 /*
2581 * Check retry_delay_timer value if we receive a busy or
2582 * queue full.
2583 */
2584 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2585 lscsi_status == SAM_STAT_BUSY)
2586 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2587
2588 /*
2589 * Based on Host and scsi status generate status code for Linux
2590 */
2591 switch (comp_status) {
2592 case CS_COMPLETE:
2593 case CS_QUEUE_FULL:
2594 if (scsi_status == 0) {
2595 res = DID_OK << 16;
2596 break;
2597 }
2598 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2599 resid = resid_len;
2600 scsi_set_resid(cp, resid);
2601
2602 if (!lscsi_status &&
2603 ((unsigned)(scsi_bufflen(cp) - resid) <
2604 cp->underflow)) {
2605 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2606 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2607 resid, scsi_bufflen(cp));
2608
2609 res = DID_ERROR << 16;
2610 break;
2611 }
2612 }
2613 res = DID_OK << 16 | lscsi_status;
2614
2615 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2616 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2617 "QUEUE FULL detected.\n");
2618 break;
2619 }
2620 logit = 0;
2621 if (lscsi_status != SS_CHECK_CONDITION)
2622 break;
2623
2624 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2625 if (!(scsi_status & SS_SENSE_LEN_VALID))
2626 break;
2627
2628 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2629 rsp, res);
2630 break;
2631
2632 case CS_DATA_UNDERRUN:
2633 /* Use F/W calculated residual length. */
2634 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2635 scsi_set_resid(cp, resid);
2636 if (scsi_status & SS_RESIDUAL_UNDER) {
2637 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2638 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2639 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2640 resid, scsi_bufflen(cp));
2641
2642 res = DID_ERROR << 16 | lscsi_status;
2643 goto check_scsi_status;
2644 }
2645
2646 if (!lscsi_status &&
2647 ((unsigned)(scsi_bufflen(cp) - resid) <
2648 cp->underflow)) {
2649 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2650 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2651 resid, scsi_bufflen(cp));
2652
2653 res = DID_ERROR << 16;
2654 break;
2655 }
2656 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2657 lscsi_status != SAM_STAT_BUSY) {
2658 /*
2659 * scsi status of task set and busy are considered to be
2660 * task not completed.
2661 */
2662
2663 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2664 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2665 resid, scsi_bufflen(cp));
2666
2667 res = DID_ERROR << 16 | lscsi_status;
2668 goto check_scsi_status;
2669 } else {
2670 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2671 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2672 scsi_status, lscsi_status);
2673 }
2674
2675 res = DID_OK << 16 | lscsi_status;
2676 logit = 0;
2677
2678check_scsi_status:
2679 /*
2680 * Check to see if SCSI Status is non zero. If so report SCSI
2681 * Status.
2682 */
2683 if (lscsi_status != 0) {
2684 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2685 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2686 "QUEUE FULL detected.\n");
2687 logit = 1;
2688 break;
2689 }
2690 if (lscsi_status != SS_CHECK_CONDITION)
2691 break;
2692
2693 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2694 if (!(scsi_status & SS_SENSE_LEN_VALID))
2695 break;
2696
2697 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2698 sense_len, rsp, res);
2699 }
2700 break;
2701
2702 case CS_PORT_LOGGED_OUT:
2703 case CS_PORT_CONFIG_CHG:
2704 case CS_PORT_BUSY:
2705 case CS_INCOMPLETE:
2706 case CS_PORT_UNAVAILABLE:
2707 case CS_TIMEOUT:
2708 case CS_RESET:
2709
2710 /*
2711 * We are going to have the fc class block the rport
2712 * while we try to recover so instruct the mid layer
2713 * to requeue until the class decides how to handle this.
2714 */
2715 res = DID_TRANSPORT_DISRUPTED << 16;
2716
2717 if (comp_status == CS_TIMEOUT) {
2718 if (IS_FWI2_CAPABLE(ha))
2719 break;
2720 else if ((le16_to_cpu(sts->status_flags) &
2721 SF_LOGOUT_SENT) == 0)
2722 break;
2723 }
2724
2725 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2726 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2727 "Port to be marked lost on fcport=%02x%02x%02x, current "
2728 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2729 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2730 port_state_str[atomic_read(&fcport->state)],
2731 comp_status);
2732
2733 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2734 qlt_schedule_sess_for_deletion(fcport);
2735 }
2736
2737 break;
2738
2739 case CS_ABORTED:
2740 res = DID_RESET << 16;
2741 break;
2742
2743 case CS_DIF_ERROR:
2744 logit = qla2x00_handle_dif_error(sp, sts24);
2745 res = cp->result;
2746 break;
2747
2748 case CS_TRANSPORT:
2749 res = DID_ERROR << 16;
2750
2751 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2752 break;
2753
2754 if (state_flags & BIT_4)
2755 scmd_printk(KERN_WARNING, cp,
2756 "Unsupported device '%s' found.\n",
2757 cp->device->vendor);
2758 break;
2759
2760 case CS_DMA:
2761 ql_log(ql_log_info, fcport->vha, 0x3022,
2762 "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",
2763 comp_status, scsi_status, res, vha->host_no,
2764 cp->device->id, cp->device->lun, fcport->d_id.b24,
2765 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2766 resid_len, fw_resid_len, sp, cp);
2767 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
2768 pkt, sizeof(*sts24));
2769 res = DID_ERROR << 16;
2770 break;
2771 default:
2772 res = DID_ERROR << 16;
2773 break;
2774 }
2775
2776out:
2777 if (logit)
2778 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2779 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2780 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2781 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2782 comp_status, scsi_status, res, vha->host_no,
2783 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2784 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2785 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2786 resid_len, fw_resid_len, sp, cp);
2787
2788 if (rsp->status_srb == NULL)
2789 sp->done(sp, res);
2790}
2791
2792/**
2793 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2794 * @rsp: response queue
2795 * @pkt: Entry pointer
2796 *
2797 * Extended sense data.
2798 */
2799static void
2800qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2801{
2802 uint8_t sense_sz = 0;
2803 struct qla_hw_data *ha = rsp->hw;
2804 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2805 srb_t *sp = rsp->status_srb;
2806 struct scsi_cmnd *cp;
2807 uint32_t sense_len;
2808 uint8_t *sense_ptr;
2809
2810 if (!sp || !GET_CMD_SENSE_LEN(sp))
2811 return;
2812
2813 sense_len = GET_CMD_SENSE_LEN(sp);
2814 sense_ptr = GET_CMD_SENSE_PTR(sp);
2815
2816 cp = GET_CMD_SP(sp);
2817 if (cp == NULL) {
2818 ql_log(ql_log_warn, vha, 0x3025,
2819 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2820
2821 rsp->status_srb = NULL;
2822 return;
2823 }
2824
2825 if (sense_len > sizeof(pkt->data))
2826 sense_sz = sizeof(pkt->data);
2827 else
2828 sense_sz = sense_len;
2829
2830 /* Move sense data. */
2831 if (IS_FWI2_CAPABLE(ha))
2832 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2833 memcpy(sense_ptr, pkt->data, sense_sz);
2834 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2835 sense_ptr, sense_sz);
2836
2837 sense_len -= sense_sz;
2838 sense_ptr += sense_sz;
2839
2840 SET_CMD_SENSE_PTR(sp, sense_ptr);
2841 SET_CMD_SENSE_LEN(sp, sense_len);
2842
2843 /* Place command on done queue. */
2844 if (sense_len == 0) {
2845 rsp->status_srb = NULL;
2846 sp->done(sp, cp->result);
2847 }
2848}
2849
2850/**
2851 * qla2x00_error_entry() - Process an error entry.
2852 * @vha: SCSI driver HA context
2853 * @rsp: response queue
2854 * @pkt: Entry pointer
2855 * return : 1=allow further error analysis. 0=no additional error analysis.
2856 */
2857static int
2858qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2859{
2860 srb_t *sp;
2861 struct qla_hw_data *ha = vha->hw;
2862 const char func[] = "ERROR-IOCB";
2863 uint16_t que = MSW(pkt->handle);
2864 struct req_que *req = NULL;
2865 int res = DID_ERROR << 16;
2866
2867 ql_dbg(ql_dbg_async, vha, 0x502a,
2868 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2869 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2870
2871 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2872 goto fatal;
2873
2874 req = ha->req_q_map[que];
2875
2876 if (pkt->entry_status & RF_BUSY)
2877 res = DID_BUS_BUSY << 16;
2878
2879 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2880 return 0;
2881
2882 switch (pkt->entry_type) {
2883 case NOTIFY_ACK_TYPE:
2884 case STATUS_TYPE:
2885 case STATUS_CONT_TYPE:
2886 case LOGINOUT_PORT_IOCB_TYPE:
2887 case CT_IOCB_TYPE:
2888 case ELS_IOCB_TYPE:
2889 case ABORT_IOCB_TYPE:
2890 case MBX_IOCB_TYPE:
2891 default:
2892 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2893 if (sp) {
2894 sp->done(sp, res);
2895 return 0;
2896 }
2897 break;
2898
2899 case ABTS_RESP_24XX:
2900 case CTIO_TYPE7:
2901 case CTIO_CRC2:
2902 return 1;
2903 }
2904fatal:
2905 ql_log(ql_log_warn, vha, 0x5030,
2906 "Error entry - invalid handle/queue (%04x).\n", que);
2907 return 0;
2908}
2909
2910/**
2911 * qla24xx_mbx_completion() - Process mailbox command completions.
2912 * @vha: SCSI driver HA context
2913 * @mb0: Mailbox0 register
2914 */
2915static void
2916qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2917{
2918 uint16_t cnt;
2919 uint32_t mboxes;
2920 uint16_t __iomem *wptr;
2921 struct qla_hw_data *ha = vha->hw;
2922 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2923
2924 /* Read all mbox registers? */
2925 WARN_ON_ONCE(ha->mbx_count > 32);
2926 mboxes = (1ULL << ha->mbx_count) - 1;
2927 if (!ha->mcp)
2928 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2929 else
2930 mboxes = ha->mcp->in_mb;
2931
2932 /* Load return mailbox registers. */
2933 ha->flags.mbox_int = 1;
2934 ha->mailbox_out[0] = mb0;
2935 mboxes >>= 1;
2936 wptr = (uint16_t __iomem *)&reg->mailbox1;
2937
2938 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2939 if (mboxes & BIT_0)
2940 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2941
2942 mboxes >>= 1;
2943 wptr++;
2944 }
2945}
2946
2947static void
2948qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2949 struct abort_entry_24xx *pkt)
2950{
2951 const char func[] = "ABT_IOCB";
2952 srb_t *sp;
2953 struct srb_iocb *abt;
2954
2955 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2956 if (!sp)
2957 return;
2958
2959 abt = &sp->u.iocb_cmd;
2960 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2961 sp->done(sp, 0);
2962}
2963
2964void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2965 struct pt_ls4_request *pkt, struct req_que *req)
2966{
2967 srb_t *sp;
2968 const char func[] = "LS4_IOCB";
2969 uint16_t comp_status;
2970
2971 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2972 if (!sp)
2973 return;
2974
2975 comp_status = le16_to_cpu(pkt->status);
2976 sp->done(sp, comp_status);
2977}
2978
2979/**
2980 * qla24xx_process_response_queue() - Process response queue entries.
2981 * @vha: SCSI driver HA context
2982 * @rsp: response queue
2983 */
2984void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2985 struct rsp_que *rsp)
2986{
2987 struct sts_entry_24xx *pkt;
2988 struct qla_hw_data *ha = vha->hw;
2989
2990 if (!ha->flags.fw_started)
2991 return;
2992
2993 if (rsp->qpair->cpuid != smp_processor_id())
2994 qla_cpu_update(rsp->qpair, smp_processor_id());
2995
2996 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2997 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2998
2999 rsp->ring_index++;
3000 if (rsp->ring_index == rsp->length) {
3001 rsp->ring_index = 0;
3002 rsp->ring_ptr = rsp->ring;
3003 } else {
3004 rsp->ring_ptr++;
3005 }
3006
3007 if (pkt->entry_status != 0) {
3008 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
3009 goto process_err;
3010
3011 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3012 wmb();
3013 continue;
3014 }
3015process_err:
3016
3017 switch (pkt->entry_type) {
3018 case STATUS_TYPE:
3019 qla2x00_status_entry(vha, rsp, pkt);
3020 break;
3021 case STATUS_CONT_TYPE:
3022 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3023 break;
3024 case VP_RPT_ID_IOCB_TYPE:
3025 qla24xx_report_id_acquisition(vha,
3026 (struct vp_rpt_id_entry_24xx *)pkt);
3027 break;
3028 case LOGINOUT_PORT_IOCB_TYPE:
3029 qla24xx_logio_entry(vha, rsp->req,
3030 (struct logio_entry_24xx *)pkt);
3031 break;
3032 case CT_IOCB_TYPE:
3033 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3034 break;
3035 case ELS_IOCB_TYPE:
3036 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3037 break;
3038 case ABTS_RECV_24XX:
3039 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3040 IS_QLA28XX(ha)) {
3041 /* ensure that the ATIO queue is empty */
3042 qlt_handle_abts_recv(vha, rsp,
3043 (response_t *)pkt);
3044 break;
3045 } else {
3046 qlt_24xx_process_atio_queue(vha, 1);
3047 }
3048 /* fall through */
3049 case ABTS_RESP_24XX:
3050 case CTIO_TYPE7:
3051 case CTIO_CRC2:
3052 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3053 break;
3054 case PT_LS4_REQUEST:
3055 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3056 rsp->req);
3057 break;
3058 case NOTIFY_ACK_TYPE:
3059 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3060 qlt_response_pkt_all_vps(vha, rsp,
3061 (response_t *)pkt);
3062 else
3063 qla24xxx_nack_iocb_entry(vha, rsp->req,
3064 (struct nack_to_isp *)pkt);
3065 break;
3066 case MARKER_TYPE:
3067 /* Do nothing in this case, this check is to prevent it
3068 * from falling into default case
3069 */
3070 break;
3071 case ABORT_IOCB_TYPE:
3072 qla24xx_abort_iocb_entry(vha, rsp->req,
3073 (struct abort_entry_24xx *)pkt);
3074 break;
3075 case MBX_IOCB_TYPE:
3076 qla24xx_mbx_iocb_entry(vha, rsp->req,
3077 (struct mbx_24xx_entry *)pkt);
3078 break;
3079 case VP_CTRL_IOCB_TYPE:
3080 qla_ctrlvp_completed(vha, rsp->req,
3081 (struct vp_ctrl_entry_24xx *)pkt);
3082 break;
3083 default:
3084 /* Type Not Supported. */
3085 ql_dbg(ql_dbg_async, vha, 0x5042,
3086 "Received unknown response pkt type %x "
3087 "entry status=%x.\n",
3088 pkt->entry_type, pkt->entry_status);
3089 break;
3090 }
3091 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3092 wmb();
3093 }
3094
3095 /* Adjust ring index */
3096 if (IS_P3P_TYPE(ha)) {
3097 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3098
3099 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
3100 } else {
3101 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3102 }
3103}
3104
3105static void
3106qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3107{
3108 int rval;
3109 uint32_t cnt;
3110 struct qla_hw_data *ha = vha->hw;
3111 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3112
3113 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3114 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3115 return;
3116
3117 rval = QLA_SUCCESS;
3118 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
3119 RD_REG_DWORD(&reg->iobase_addr);
3120 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3121 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3122 rval == QLA_SUCCESS; cnt--) {
3123 if (cnt) {
3124 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3125 udelay(10);
3126 } else
3127 rval = QLA_FUNCTION_TIMEOUT;
3128 }
3129 if (rval == QLA_SUCCESS)
3130 goto next_test;
3131
3132 rval = QLA_SUCCESS;
3133 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3134 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3135 rval == QLA_SUCCESS; cnt--) {
3136 if (cnt) {
3137 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3138 udelay(10);
3139 } else
3140 rval = QLA_FUNCTION_TIMEOUT;
3141 }
3142 if (rval != QLA_SUCCESS)
3143 goto done;
3144
3145next_test:
3146 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
3147 ql_log(ql_log_info, vha, 0x504c,
3148 "Additional code -- 0x55AA.\n");
3149
3150done:
3151 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3152 RD_REG_DWORD(&reg->iobase_window);
3153}
3154
3155/**
3156 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3157 * @irq: interrupt number
3158 * @dev_id: SCSI driver HA context
3159 *
3160 * Called by system whenever the host adapter generates an interrupt.
3161 *
3162 * Returns handled flag.
3163 */
3164irqreturn_t
3165qla24xx_intr_handler(int irq, void *dev_id)
3166{
3167 scsi_qla_host_t *vha;
3168 struct qla_hw_data *ha;
3169 struct device_reg_24xx __iomem *reg;
3170 int status;
3171 unsigned long iter;
3172 uint32_t stat;
3173 uint32_t hccr;
3174 uint16_t mb[8];
3175 struct rsp_que *rsp;
3176 unsigned long flags;
3177 bool process_atio = false;
3178
3179 rsp = (struct rsp_que *) dev_id;
3180 if (!rsp) {
3181 ql_log(ql_log_info, NULL, 0x5059,
3182 "%s: NULL response queue pointer.\n", __func__);
3183 return IRQ_NONE;
3184 }
3185
3186 ha = rsp->hw;
3187 reg = &ha->iobase->isp24;
3188 status = 0;
3189
3190 if (unlikely(pci_channel_offline(ha->pdev)))
3191 return IRQ_HANDLED;
3192
3193 spin_lock_irqsave(&ha->hardware_lock, flags);
3194 vha = pci_get_drvdata(ha->pdev);
3195 for (iter = 50; iter--; ) {
3196 stat = RD_REG_DWORD(&reg->host_status);
3197 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3198 break;
3199 if (stat & HSRX_RISC_PAUSED) {
3200 if (unlikely(pci_channel_offline(ha->pdev)))
3201 break;
3202
3203 hccr = RD_REG_DWORD(&reg->hccr);
3204
3205 ql_log(ql_log_warn, vha, 0x504b,
3206 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3207 hccr);
3208
3209 qla2xxx_check_risc_status(vha);
3210
3211 ha->isp_ops->fw_dump(vha, 1);
3212 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3213 break;
3214 } else if ((stat & HSRX_RISC_INT) == 0)
3215 break;
3216
3217 switch (stat & 0xff) {
3218 case INTR_ROM_MB_SUCCESS:
3219 case INTR_ROM_MB_FAILED:
3220 case INTR_MB_SUCCESS:
3221 case INTR_MB_FAILED:
3222 qla24xx_mbx_completion(vha, MSW(stat));
3223 status |= MBX_INTERRUPT;
3224
3225 break;
3226 case INTR_ASYNC_EVENT:
3227 mb[0] = MSW(stat);
3228 mb[1] = RD_REG_WORD(&reg->mailbox1);
3229 mb[2] = RD_REG_WORD(&reg->mailbox2);
3230 mb[3] = RD_REG_WORD(&reg->mailbox3);
3231 qla2x00_async_event(vha, rsp, mb);
3232 break;
3233 case INTR_RSP_QUE_UPDATE:
3234 case INTR_RSP_QUE_UPDATE_83XX:
3235 qla24xx_process_response_queue(vha, rsp);
3236 break;
3237 case INTR_ATIO_QUE_UPDATE_27XX:
3238 case INTR_ATIO_QUE_UPDATE:
3239 process_atio = true;
3240 break;
3241 case INTR_ATIO_RSP_QUE_UPDATE:
3242 process_atio = true;
3243 qla24xx_process_response_queue(vha, rsp);
3244 break;
3245 default:
3246 ql_dbg(ql_dbg_async, vha, 0x504f,
3247 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3248 break;
3249 }
3250 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3251 RD_REG_DWORD_RELAXED(&reg->hccr);
3252 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3253 ndelay(3500);
3254 }
3255 qla2x00_handle_mbx_completion(ha, status);
3256 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3257
3258 if (process_atio) {
3259 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3260 qlt_24xx_process_atio_queue(vha, 0);
3261 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3262 }
3263
3264 return IRQ_HANDLED;
3265}
3266
3267static irqreturn_t
3268qla24xx_msix_rsp_q(int irq, void *dev_id)
3269{
3270 struct qla_hw_data *ha;
3271 struct rsp_que *rsp;
3272 struct device_reg_24xx __iomem *reg;
3273 struct scsi_qla_host *vha;
3274 unsigned long flags;
3275
3276 rsp = (struct rsp_que *) dev_id;
3277 if (!rsp) {
3278 ql_log(ql_log_info, NULL, 0x505a,
3279 "%s: NULL response queue pointer.\n", __func__);
3280 return IRQ_NONE;
3281 }
3282 ha = rsp->hw;
3283 reg = &ha->iobase->isp24;
3284
3285 spin_lock_irqsave(&ha->hardware_lock, flags);
3286
3287 vha = pci_get_drvdata(ha->pdev);
3288 qla24xx_process_response_queue(vha, rsp);
3289 if (!ha->flags.disable_msix_handshake) {
3290 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3291 RD_REG_DWORD_RELAXED(&reg->hccr);
3292 }
3293 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3294
3295 return IRQ_HANDLED;
3296}
3297
3298static irqreturn_t
3299qla24xx_msix_default(int irq, void *dev_id)
3300{
3301 scsi_qla_host_t *vha;
3302 struct qla_hw_data *ha;
3303 struct rsp_que *rsp;
3304 struct device_reg_24xx __iomem *reg;
3305 int status;
3306 uint32_t stat;
3307 uint32_t hccr;
3308 uint16_t mb[8];
3309 unsigned long flags;
3310 bool process_atio = false;
3311
3312 rsp = (struct rsp_que *) dev_id;
3313 if (!rsp) {
3314 ql_log(ql_log_info, NULL, 0x505c,
3315 "%s: NULL response queue pointer.\n", __func__);
3316 return IRQ_NONE;
3317 }
3318 ha = rsp->hw;
3319 reg = &ha->iobase->isp24;
3320 status = 0;
3321
3322 spin_lock_irqsave(&ha->hardware_lock, flags);
3323 vha = pci_get_drvdata(ha->pdev);
3324 do {
3325 stat = RD_REG_DWORD(&reg->host_status);
3326 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3327 break;
3328 if (stat & HSRX_RISC_PAUSED) {
3329 if (unlikely(pci_channel_offline(ha->pdev)))
3330 break;
3331
3332 hccr = RD_REG_DWORD(&reg->hccr);
3333
3334 ql_log(ql_log_info, vha, 0x5050,
3335 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3336 hccr);
3337
3338 qla2xxx_check_risc_status(vha);
3339
3340 ha->isp_ops->fw_dump(vha, 1);
3341 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3342 break;
3343 } else if ((stat & HSRX_RISC_INT) == 0)
3344 break;
3345
3346 switch (stat & 0xff) {
3347 case INTR_ROM_MB_SUCCESS:
3348 case INTR_ROM_MB_FAILED:
3349 case INTR_MB_SUCCESS:
3350 case INTR_MB_FAILED:
3351 qla24xx_mbx_completion(vha, MSW(stat));
3352 status |= MBX_INTERRUPT;
3353
3354 break;
3355 case INTR_ASYNC_EVENT:
3356 mb[0] = MSW(stat);
3357 mb[1] = RD_REG_WORD(&reg->mailbox1);
3358 mb[2] = RD_REG_WORD(&reg->mailbox2);
3359 mb[3] = RD_REG_WORD(&reg->mailbox3);
3360 qla2x00_async_event(vha, rsp, mb);
3361 break;
3362 case INTR_RSP_QUE_UPDATE:
3363 case INTR_RSP_QUE_UPDATE_83XX:
3364 qla24xx_process_response_queue(vha, rsp);
3365 break;
3366 case INTR_ATIO_QUE_UPDATE_27XX:
3367 case INTR_ATIO_QUE_UPDATE:
3368 process_atio = true;
3369 break;
3370 case INTR_ATIO_RSP_QUE_UPDATE:
3371 process_atio = true;
3372 qla24xx_process_response_queue(vha, rsp);
3373 break;
3374 default:
3375 ql_dbg(ql_dbg_async, vha, 0x5051,
3376 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3377 break;
3378 }
3379 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3380 } while (0);
3381 qla2x00_handle_mbx_completion(ha, status);
3382 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3383
3384 if (process_atio) {
3385 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3386 qlt_24xx_process_atio_queue(vha, 0);
3387 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3388 }
3389
3390 return IRQ_HANDLED;
3391}
3392
3393irqreturn_t
3394qla2xxx_msix_rsp_q(int irq, void *dev_id)
3395{
3396 struct qla_hw_data *ha;
3397 struct qla_qpair *qpair;
3398 struct device_reg_24xx __iomem *reg;
3399 unsigned long flags;
3400
3401 qpair = dev_id;
3402 if (!qpair) {
3403 ql_log(ql_log_info, NULL, 0x505b,
3404 "%s: NULL response queue pointer.\n", __func__);
3405 return IRQ_NONE;
3406 }
3407 ha = qpair->hw;
3408
3409 /* Clear the interrupt, if enabled, for this response queue */
3410 if (unlikely(!ha->flags.disable_msix_handshake)) {
3411 reg = &ha->iobase->isp24;
3412 spin_lock_irqsave(&ha->hardware_lock, flags);
3413 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3414 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3415 }
3416
3417 queue_work(ha->wq, &qpair->q_work);
3418
3419 return IRQ_HANDLED;
3420}
3421
3422/* Interrupt handling helpers. */
3423
3424struct qla_init_msix_entry {
3425 const char *name;
3426 irq_handler_t handler;
3427};
3428
3429static const struct qla_init_msix_entry msix_entries[] = {
3430 { "default", qla24xx_msix_default },
3431 { "rsp_q", qla24xx_msix_rsp_q },
3432 { "atio_q", qla83xx_msix_atio_q },
3433 { "qpair_multiq", qla2xxx_msix_rsp_q },
3434};
3435
3436static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3437 { "qla2xxx (default)", qla82xx_msix_default },
3438 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3439};
3440
3441static int
3442qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3443{
3444 int i, ret;
3445 struct qla_msix_entry *qentry;
3446 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3447 int min_vecs = QLA_BASE_VECTORS;
3448 struct irq_affinity desc = {
3449 .pre_vectors = QLA_BASE_VECTORS,
3450 };
3451
3452 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3453 IS_ATIO_MSIX_CAPABLE(ha)) {
3454 desc.pre_vectors++;
3455 min_vecs++;
3456 }
3457
3458 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
3459 /* user wants to control IRQ setting for target mode */
3460 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3461 ha->msix_count, PCI_IRQ_MSIX);
3462 } else
3463 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3464 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3465 &desc);
3466
3467 if (ret < 0) {
3468 ql_log(ql_log_fatal, vha, 0x00c7,
3469 "MSI-X: Failed to enable support, "
3470 "giving up -- %d/%d.\n",
3471 ha->msix_count, ret);
3472 goto msix_out;
3473 } else if (ret < ha->msix_count) {
3474 ql_log(ql_log_warn, vha, 0x00c6,
3475 "MSI-X: Failed to enable support "
3476 "with %d vectors, using %d vectors.\n",
3477 ha->msix_count, ret);
3478 ha->msix_count = ret;
3479 /* Recalculate queue values */
3480 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3481 ha->max_req_queues = ha->msix_count - 1;
3482
3483 /* ATIOQ needs 1 vector. That's 1 less QPair */
3484 if (QLA_TGT_MODE_ENABLED())
3485 ha->max_req_queues--;
3486
3487 ha->max_rsp_queues = ha->max_req_queues;
3488
3489 ha->max_qpairs = ha->max_req_queues - 1;
3490 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3491 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3492 }
3493 }
3494 vha->irq_offset = desc.pre_vectors;
3495 ha->msix_entries = kcalloc(ha->msix_count,
3496 sizeof(struct qla_msix_entry),
3497 GFP_KERNEL);
3498 if (!ha->msix_entries) {
3499 ql_log(ql_log_fatal, vha, 0x00c8,
3500 "Failed to allocate memory for ha->msix_entries.\n");
3501 ret = -ENOMEM;
3502 goto free_irqs;
3503 }
3504 ha->flags.msix_enabled = 1;
3505
3506 for (i = 0; i < ha->msix_count; i++) {
3507 qentry = &ha->msix_entries[i];
3508 qentry->vector = pci_irq_vector(ha->pdev, i);
3509 qentry->entry = i;
3510 qentry->have_irq = 0;
3511 qentry->in_use = 0;
3512 qentry->handle = NULL;
3513 }
3514
3515 /* Enable MSI-X vectors for the base queue */
3516 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3517 qentry = &ha->msix_entries[i];
3518 qentry->handle = rsp;
3519 rsp->msix = qentry;
3520 scnprintf(qentry->name, sizeof(qentry->name),
3521 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3522 if (IS_P3P_TYPE(ha))
3523 ret = request_irq(qentry->vector,
3524 qla82xx_msix_entries[i].handler,
3525 0, qla82xx_msix_entries[i].name, rsp);
3526 else
3527 ret = request_irq(qentry->vector,
3528 msix_entries[i].handler,
3529 0, qentry->name, rsp);
3530 if (ret)
3531 goto msix_register_fail;
3532 qentry->have_irq = 1;
3533 qentry->in_use = 1;
3534 }
3535
3536 /*
3537 * If target mode is enable, also request the vector for the ATIO
3538 * queue.
3539 */
3540 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3541 IS_ATIO_MSIX_CAPABLE(ha)) {
3542 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3543 rsp->msix = qentry;
3544 qentry->handle = rsp;
3545 scnprintf(qentry->name, sizeof(qentry->name),
3546 "qla2xxx%lu_%s", vha->host_no,
3547 msix_entries[QLA_ATIO_VECTOR].name);
3548 qentry->in_use = 1;
3549 ret = request_irq(qentry->vector,
3550 msix_entries[QLA_ATIO_VECTOR].handler,
3551 0, qentry->name, rsp);
3552 qentry->have_irq = 1;
3553 }
3554
3555msix_register_fail:
3556 if (ret) {
3557 ql_log(ql_log_fatal, vha, 0x00cb,
3558 "MSI-X: unable to register handler -- %x/%d.\n",
3559 qentry->vector, ret);
3560 qla2x00_free_irqs(vha);
3561 ha->mqenable = 0;
3562 goto msix_out;
3563 }
3564
3565 /* Enable MSI-X vector for response queue update for queue 0 */
3566 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3567 if (ha->msixbase && ha->mqiobase &&
3568 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3569 ql2xmqsupport))
3570 ha->mqenable = 1;
3571 } else
3572 if (ha->mqiobase &&
3573 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3574 ql2xmqsupport))
3575 ha->mqenable = 1;
3576 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3577 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3578 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3579 ql_dbg(ql_dbg_init, vha, 0x0055,
3580 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3581 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3582
3583msix_out:
3584 return ret;
3585
3586free_irqs:
3587 pci_free_irq_vectors(ha->pdev);
3588 goto msix_out;
3589}
3590
3591int
3592qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3593{
3594 int ret = QLA_FUNCTION_FAILED;
3595 device_reg_t *reg = ha->iobase;
3596 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3597
3598 /* If possible, enable MSI-X. */
3599 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3600 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3601 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
3602 goto skip_msi;
3603
3604 if (ql2xenablemsix == 2)
3605 goto skip_msix;
3606
3607 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3608 (ha->pdev->subsystem_device == 0x7040 ||
3609 ha->pdev->subsystem_device == 0x7041 ||
3610 ha->pdev->subsystem_device == 0x1705)) {
3611 ql_log(ql_log_warn, vha, 0x0034,
3612 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3613 ha->pdev->subsystem_vendor,
3614 ha->pdev->subsystem_device);
3615 goto skip_msi;
3616 }
3617
3618 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3619 ql_log(ql_log_warn, vha, 0x0035,
3620 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3621 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3622 goto skip_msix;
3623 }
3624
3625 ret = qla24xx_enable_msix(ha, rsp);
3626 if (!ret) {
3627 ql_dbg(ql_dbg_init, vha, 0x0036,
3628 "MSI-X: Enabled (0x%X, 0x%X).\n",
3629 ha->chip_revision, ha->fw_attributes);
3630 goto clear_risc_ints;
3631 }
3632
3633skip_msix:
3634
3635 ql_log(ql_log_info, vha, 0x0037,
3636 "Falling back-to MSI mode -%d.\n", ret);
3637
3638 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3639 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3640 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3641 goto skip_msi;
3642
3643 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3644 if (!ret) {
3645 ql_dbg(ql_dbg_init, vha, 0x0038,
3646 "MSI: Enabled.\n");
3647 ha->flags.msi_enabled = 1;
3648 } else
3649 ql_log(ql_log_warn, vha, 0x0039,
3650 "Falling back-to INTa mode -- %d.\n", ret);
3651skip_msi:
3652
3653 /* Skip INTx on ISP82xx. */
3654 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3655 return QLA_FUNCTION_FAILED;
3656
3657 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3658 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3659 QLA2XXX_DRIVER_NAME, rsp);
3660 if (ret) {
3661 ql_log(ql_log_warn, vha, 0x003a,
3662 "Failed to reserve interrupt %d already in use.\n",
3663 ha->pdev->irq);
3664 goto fail;
3665 } else if (!ha->flags.msi_enabled) {
3666 ql_dbg(ql_dbg_init, vha, 0x0125,
3667 "INTa mode: Enabled.\n");
3668 ha->flags.mr_intr_valid = 1;
3669 }
3670
3671clear_risc_ints:
3672 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3673 goto fail;
3674
3675 spin_lock_irq(&ha->hardware_lock);
3676 WRT_REG_WORD(&reg->isp.semaphore, 0);
3677 spin_unlock_irq(&ha->hardware_lock);
3678
3679fail:
3680 return ret;
3681}
3682
3683void
3684qla2x00_free_irqs(scsi_qla_host_t *vha)
3685{
3686 struct qla_hw_data *ha = vha->hw;
3687 struct rsp_que *rsp;
3688 struct qla_msix_entry *qentry;
3689 int i;
3690
3691 /*
3692 * We need to check that ha->rsp_q_map is valid in case we are called
3693 * from a probe failure context.
3694 */
3695 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3696 goto free_irqs;
3697 rsp = ha->rsp_q_map[0];
3698
3699 if (ha->flags.msix_enabled) {
3700 for (i = 0; i < ha->msix_count; i++) {
3701 qentry = &ha->msix_entries[i];
3702 if (qentry->have_irq) {
3703 irq_set_affinity_notifier(qentry->vector, NULL);
3704 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3705 }
3706 }
3707 kfree(ha->msix_entries);
3708 ha->msix_entries = NULL;
3709 ha->flags.msix_enabled = 0;
3710 ql_dbg(ql_dbg_init, vha, 0x0042,
3711 "Disabled MSI-X.\n");
3712 } else {
3713 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3714 }
3715
3716free_irqs:
3717 pci_free_irq_vectors(ha->pdev);
3718}
3719
3720int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3721 struct qla_msix_entry *msix, int vector_type)
3722{
3723 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3724 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3725 int ret;
3726
3727 scnprintf(msix->name, sizeof(msix->name),
3728 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3729 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3730 if (ret) {
3731 ql_log(ql_log_fatal, vha, 0x00e6,
3732 "MSI-X: Unable to register handler -- %x/%d.\n",
3733 msix->vector, ret);
3734 return ret;
3735 }
3736 msix->have_irq = 1;
3737 msix->handle = qpair;
3738 return ret;
3739}
Linux 6.x block layer and io_uring tree(s)