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