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[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_isr.c
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1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
bd21eaf9 3 * Copyright (c) 2003-2014 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
2d70c103 8#include "qla_target.h"
1da177e4 9
05236a05 10#include <linux/delay.h>
5a0e3ad6 11#include <linux/slab.h>
e326d22a 12#include <linux/cpu.h>
09ce66ae 13#include <linux/t10-pi.h>
df7baa50 14#include <scsi/scsi_tcq.h>
9a069e19 15#include <scsi/scsi_bsg_fc.h>
bad75002 16#include <scsi/scsi_eh.h>
d32041ec
JT		 17#include <scsi/fc/fc_fs.h>
18#include <linux/nvme-fc-driver.h>
df7baa50 19
1da177e4 20static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 21static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 22static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
c5419e26 23static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
73208dfd 24 sts_entry_t *);
9a853f71 25
1da177e4
LT		 26/**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq:
29 * @dev_id: SCSI driver HA context
1da177e4
LT		 30 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35irqreturn_t
7d12e780 36qla2100_intr_handler(int irq, void *dev_id)
1da177e4 37{
e315cd28
AC		 38 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
3d71644c 40 struct device_reg_2xxx __iomem *reg;
1da177e4 41 int status;
1da177e4 42 unsigned long iter;
14e660e6 43 uint16_t hccr;
9a853f71 44 uint16_t mb[4];
e315cd28 45 struct rsp_que *rsp;
43fac4d9 46 unsigned long flags;
1da177e4 47
e315cd28
AC		 48 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
3256b435
CD		 50 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 52 return (IRQ_NONE);
53 }
54
e315cd28 55 ha = rsp->hw;
3d71644c 56 reg = &ha->iobase->isp;
1da177e4
LT		 57 status = 0;
58
43fac4d9 59 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 60 vha = pci_get_drvdata(ha->pdev);
1da177e4 61 for (iter = 50; iter--; ) {
14e660e6 62 hccr = RD_REG_WORD(&reg->hccr);
c821e0d5 63 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
f3ddac19 64 break;
14e660e6
SJ		 65 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 71 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 72 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(&reg->hccr);
76
e315cd28
AC		 77 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 79 break;
80 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 81 break;
82
83 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
84 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(&reg->hccr);
86
87 /* Get mailbox data. */
9a853f71
AV		 88 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 90 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 91 status |= MBX_INTERRUPT;
9a853f71
AV		 92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 96 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 97 } else {
98 /*EMPTY*/
7c3df132
SK		 99 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
1da177e4
LT		 102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(&reg->semaphore, 0);
105 RD_REG_WORD(&reg->semaphore);
106 } else {
73208dfd 107 qla2x00_process_response_queue(rsp);
1da177e4
LT		 108
109 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(&reg->hccr);
111 }
112 }
36439832 113 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 115
1da177e4
LT		 116 return (IRQ_HANDLED);
117}
118
f3ddac19 119bool
c821e0d5 120qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
f3ddac19
CD		 121{
122 /* Check for PCI disconnection */
a30c2a3b 123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
beb9e315 124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
6b383979
JL		 125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
232792b6
JL		 127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
f3ddac19
CD		 134 return true;
135 } else
136 return false;
137}
138
c821e0d5
JL		 139bool
140qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141{
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143}
144
1da177e4
LT		 145/**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq:
148 * @dev_id: SCSI driver HA context
1da177e4
LT		 149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154irqreturn_t
7d12e780 155qla2300_intr_handler(int irq, void *dev_id)
1da177e4 156{
e315cd28 157 scsi_qla_host_t *vha;
3d71644c 158 struct device_reg_2xxx __iomem *reg;
1da177e4 159 int status;
1da177e4
LT		 160 unsigned long iter;
161 uint32_t stat;
1da177e4 162 uint16_t hccr;
9a853f71 163 uint16_t mb[4];
e315cd28
AC		 164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
43fac4d9 166 unsigned long flags;
1da177e4 167
e315cd28
AC		 168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
3256b435
CD		 170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 172 return (IRQ_NONE);
173 }
174
e315cd28 175 ha = rsp->hw;
3d71644c 176 reg = &ha->iobase->isp;
1da177e4
LT		 177 status = 0;
178
43fac4d9 179 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 180 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
c821e0d5 183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 184 break;
1da177e4 185 if (stat & HSR_RISC_PAUSED) {
85880801 186 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 187 break;
188
1da177e4 189 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 190
1da177e4 191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
1da177e4 195 else
7c3df132
SK		 196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
1da177e4
LT		 199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
a06a0f8e 203 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 204 */
205 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(&reg->hccr);
07f31805 207
e315cd28
AC		 208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
1da177e4 214 switch (stat & 0xff) {
1da177e4
LT		 215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
e315cd28 219 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(&reg->semaphore, 0);
224 break;
225 case 0x12:
9a853f71
AV		 226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 230 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 231 break;
232 case 0x13:
73208dfd 233 qla2x00_process_response_queue(rsp);
1da177e4
LT		 234 break;
235 case 0x15:
9a853f71
AV		 236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
73208dfd 238 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 239 break;
240 case 0x16:
9a853f71
AV		 241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 244 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 245 break;
246 default:
7c3df132
SK		 247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 249 break;
250 }
251 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(&reg->hccr);
253 }
36439832 254 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 256
1da177e4
LT		 257 return (IRQ_HANDLED);
258}
259
260/**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
2db6228d 262 * @vha: SCSI driver HA context
1da177e4
LT		 263 * @mb0: Mailbox0 register
264 */
265static void
e315cd28 266qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 267{
268 uint16_t cnt;
4fa94f83 269 uint32_t mboxes;
1da177e4 270 uint16_t __iomem *wptr;
e315cd28 271 struct qla_hw_data *ha = vha->hw;
3d71644c 272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 273
4fa94f83 274 /* Read all mbox registers? */
c02189e1
BVA		 275 WARN_ON_ONCE(ha->mbx_count > 32);
276 mboxes = (1ULL << ha->mbx_count) - 1;
4fa94f83 277 if (!ha->mcp)
a720101d 278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 279 else
280 mboxes = ha->mcp->in_mb;
281
1da177e4
LT		 282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
4fa94f83 285 mboxes >>= 1;
1da177e4
LT		 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
287
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 289 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 293 else if (mboxes & BIT_0)
1da177e4 294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 295
1da177e4 296 wptr++;
4fa94f83 297 mboxes >>= 1;
1da177e4 298 }
1da177e4
LT		 299}
300
8a659571
AV		 301static void
302qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
303{
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
306 int rval;
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
311
312 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)&reg24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
317 else
318 return;
319
8a659571
AV		 320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
322
7c3df132 323 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 324 "Inter-Driver Communication %s -- "
7c3df132
SK		 325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
454073c9
SV		 328 switch (aen) {
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
331 if (mb[1] >> 15) {
332 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 334 complete(&vha->hw->dcbx_comp);
335 }
336 break;
337
338 case MBA_IDC_NOTIFY:
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
344
345 if (!timeout)
346 return;
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
351 break;
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
358 break;
bf5b8ad7 359 }
8a659571
AV		 360}
361
daae62a3 362#define LS_UNKNOWN 2
d0297c9a
JC		 363const char *
364qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 365{
f73cb695
CD		 366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 368 };
f73cb695 369#define QLA_LAST_SPEED 7
daae62a3
CD		 370
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 372 return link_speeds[0];
373 else if (speed == 0x13)
f73cb695
CD		 374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 376 return link_speeds[speed];
377 else
378 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 379}
380
fa492630 381static void
7d613ac6
SV		 382qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
383{
384 struct qla_hw_data *ha = vha->hw;
385
386 /*
387 * 8200 AEN Interpretation:
388 * mb[0] = AEN code
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
396 */
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
403
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
409
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
412
413 /*
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
425 */
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
0bf0efa1 438 "Not a fatal error, f/w has recovered itself.\n");
7d613ac6
SV		 439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
b4a028a5 458 uint16_t sfp_additional_info, sfp_multirate;
7d613ac6
SV		 459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
b4a028a5 498 sfp_additional_info = (mb[6] & 0x0003);
7d613ac6
SV		 499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
b4a028a5 513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
7d613ac6 514 htbt_counter, htbt_monitor_enable,
b4a028a5 515 sfp_additional_info, sfp_multirate);
7d613ac6
SV		 516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 536 if (ha->flags.nic_core_reset_owner)
537 return;
7d613ac6
SV		 538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540}
541
bb4cf5b7
CD		 542int
543qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544{
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565}
566
726b8548 567fc_port_t *
17cac3a1
JC		 568qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569{
726b8548
QT		 570 fc_port_t *f, *tf;
571
572 f = tf = NULL;
573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
574 if (f->loop_id == loop_id)
575 return f;
576 return NULL;
577}
17cac3a1 578
726b8548
QT		 579fc_port_t *
580qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
581{
582 fc_port_t *f, *tf;
583
584 f = tf = NULL;
585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
587 if (incl_deleted)
588 return f;
589 else if (f->deleted == 0)
590 return f;
591 }
592 }
593 return NULL;
594}
17cac3a1 595
726b8548
QT		 596fc_port_t *
597qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
598 u8 incl_deleted)
599{
600 fc_port_t *f, *tf;
601
602 f = tf = NULL;
603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
604 if (f->d_id.b24 == id->b24) {
605 if (incl_deleted)
606 return f;
607 else if (f->deleted == 0)
608 return f;
609 }
610 }
17cac3a1
JC		 611 return NULL;
612}
613
1da177e4
LT		 614/**
615 * qla2x00_async_event() - Process aynchronous events.
2db6228d
BVA		 616 * @vha: SCSI driver HA context
617 * @rsp: response queue
9a853f71 618 * @mb: Mailbox registers (0 - 3)
1da177e4 619 */
2c3dfe3f 620void
73208dfd 621qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 622{
1da177e4 623 uint16_t handle_cnt;
bdab23da 624 uint16_t cnt, mbx;
1da177e4 625 uint32_t handles[5];
e315cd28 626 struct qla_hw_data *ha = vha->hw;
3d71644c 627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
52c82823 630 uint32_t rscn_entry, host_pid;
4d4df193 631 unsigned long flags;
ef86cb20 632 fc_port_t *fcport = NULL;
1da177e4
LT		 633
634 /* Setup to process RIO completion. */
635 handle_cnt = 0;
6246b8a1 636 if (IS_CNA_CAPABLE(ha))
3a03eb79 637 goto skip_rio;
1da177e4
LT		 638 switch (mb[0]) {
639 case MBA_SCSI_COMPLETION:
9a853f71 640 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 641 handle_cnt = 1;
642 break;
643 case MBA_CMPLT_1_16BIT:
9a853f71 644 handles[0] = mb[1];
1da177e4
LT		 645 handle_cnt = 1;
646 mb[0] = MBA_SCSI_COMPLETION;
647 break;
648 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 649 handles[0] = mb[1];
650 handles[1] = mb[2];
1da177e4
LT		 651 handle_cnt = 2;
652 mb[0] = MBA_SCSI_COMPLETION;
653 break;
654 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 655 handles[0] = mb[1];
656 handles[1] = mb[2];
657 handles[2] = mb[3];
1da177e4
LT		 658 handle_cnt = 3;
659 mb[0] = MBA_SCSI_COMPLETION;
660 break;
661 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 662 handles[0] = mb[1];
663 handles[1] = mb[2];
664 handles[2] = mb[3];
1da177e4
LT		 665 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
666 handle_cnt = 4;
667 mb[0] = MBA_SCSI_COMPLETION;
668 break;
669 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 670 handles[0] = mb[1];
671 handles[1] = mb[2];
672 handles[2] = mb[3];
1da177e4
LT		 673 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
674 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
675 handle_cnt = 5;
676 mb[0] = MBA_SCSI_COMPLETION;
677 break;
678 case MBA_CMPLT_2_32BIT:
9a853f71 679 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 680 handles[1] = le32_to_cpu(
681 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
682 RD_MAILBOX_REG(ha, reg, 6));
683 handle_cnt = 2;
684 mb[0] = MBA_SCSI_COMPLETION;
685 break;
686 default:
687 break;
688 }
3a03eb79 689skip_rio:
1da177e4
LT		 690 switch (mb[0]) {
691 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 692 if (!vha->flags.online)
1da177e4
LT		 693 break;
694
695 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 696 qla2x00_process_completed_request(vha, rsp->req,
697 handles[cnt]);
1da177e4
LT		 698 break;
699
700 case MBA_RESET: /* Reset */
7c3df132
SK		 701 ql_dbg(ql_dbg_async, vha, 0x5002,
702 "Asynchronous RESET.\n");
1da177e4 703
e315cd28 704 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 705 break;
706
707 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 708 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 709 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 710 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 711 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
712 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 713
e315cd28 714 ha->isp_ops->fw_dump(vha, 1);
ec7193e2 715 ha->flags.fw_init_done = 0;
4b60c827 716 QLA_FW_STOPPED(ha);
1da177e4 717
e428924c 718 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 719 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 720 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 721 "Unrecoverable Hardware Error: adapter "
722 "marked OFFLINE!\n");
e315cd28 723 vha->flags.online = 0;
6246b8a1 724 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 725 } else {
25985edc 726 /* Check to see if MPI timeout occurred */
f73cb695 727 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 728 set_bit(MPI_RESET_NEEDED,
729 &vha->dpc_flags);
730
e315cd28 731 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 732 }
9a853f71 733 } else if (mb[1] == 0) {
7c3df132 734 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 735 "Unrecoverable Hardware Error: adapter marked "
736 "OFFLINE!\n");
e315cd28 737 vha->flags.online = 0;
6246b8a1 738 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 739 } else
e315cd28 740 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 741 break;
742
743 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 744 ql_log(ql_log_warn, vha, 0x5006,
745 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 746
e315cd28 747 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 748 break;
749
750 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132 751 ql_log(ql_log_warn, vha, 0x5007,
41233cd3 752 "ISP Response Transfer Error (%x).\n", mb[1]);
1da177e4 753
e315cd28 754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 755 break;
756
757 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132 758 ql_dbg(ql_dbg_async, vha, 0x5008,
41233cd3
JC		 759 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
760 break;
1da177e4 761
41233cd3 762 case MBA_LOOP_INIT_ERR:
75d560e0 763 ql_log(ql_log_warn, vha, 0x5090,
41233cd3
JC		 764 "LOOP INIT ERROR (%x).\n", mb[1]);
765 ha->isp_ops->fw_dump(vha, 1);
766 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2d70c103 767 break;
41233cd3 768
1da177e4 769 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
ec7193e2 770 ha->flags.lip_ae = 1;
ec7193e2 771
cfb0919c 772 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 773 "LIP occurred (%x).\n", mb[1]);
1da177e4 774
e315cd28
AC		 775 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
776 atomic_set(&vha->loop_state, LOOP_DOWN);
777 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
778 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 779 }
780
e315cd28
AC		 781 if (vha->vp_idx) {
782 atomic_set(&vha->vp_state, VP_FAILED);
783 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 784 }
785
e315cd28
AC		 786 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
787 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 788
e315cd28
AC		 789 vha->flags.management_server_logged_in = 0;
790 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 791 break;
792
793 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 794 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 795 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 796 else
1da177e4 797 ha->link_data_rate = mb[1];
1da177e4 798
8e5a9484 799 ql_log(ql_log_info, vha, 0x500a,
daae62a3 800 "LOOP UP detected (%s Gbps).\n",
d0297c9a 801 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 802
e315cd28
AC		 803 vha->flags.management_server_logged_in = 0;
804 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
e4e3a2ce
QT		 805
806 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
807 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
808 qla2xxx_wake_dpc(vha);
809 }
1da177e4
LT		 810 break;
811
812 case MBA_LOOP_DOWN: /* Loop Down Event */
9cd883f0 813 SAVE_TOPO(ha);
ec7193e2
QT		 814 ha->flags.lip_ae = 0;
815 ha->current_topology = 0;
816
6246b8a1
GM		 817 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
818 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 819 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
820 : mbx;
8e5a9484 821 ql_log(ql_log_info, vha, 0x500b,
7c3df132
SK		 822 "LOOP DOWN detected (%x %x %x %x).\n",
823 mb[1], mb[2], mb[3], mbx);
1da177e4 824
e315cd28
AC		 825 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
826 atomic_set(&vha->loop_state, LOOP_DOWN);
827 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2486c627
HM		 828 /*
829 * In case of loop down, restore WWPN from
830 * NVRAM in case of FA-WWPN capable ISP
718abbdc 831 * Restore for Physical Port only
2486c627 832 */
718abbdc
SC		 833 if (!vha->vp_idx) {
834 if (ha->flags.fawwpn_enabled) {
835 void *wwpn = ha->init_cb->port_name;
836 memcpy(vha->port_name, wwpn, WWN_SIZE);
837 fc_host_port_name(vha->host) =
838 wwn_to_u64(vha->port_name);
839 ql_dbg(ql_dbg_init + ql_dbg_verbose,
83548fe2 840 vha, 0x00d8, "LOOP DOWN detected,"
718abbdc
SC		 841 "restore WWPN %016llx\n",
842 wwn_to_u64(vha->port_name));
843 }
844
845 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
2486c627
HM		 846 }
847
e315cd28
AC		 848 vha->device_flags |= DFLG_NO_CABLE;
849 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 850 }
851
e315cd28
AC		 852 if (vha->vp_idx) {
853 atomic_set(&vha->vp_state, VP_FAILED);
854 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 855 }
856
e315cd28 857 vha->flags.management_server_logged_in = 0;
d8b45213 858 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 859 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 860 break;
861
862 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 863 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 864 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 865
e315cd28
AC		 866 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
867 atomic_set(&vha->loop_state, LOOP_DOWN);
868 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
869 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 870 }
871
e315cd28
AC		 872 if (vha->vp_idx) {
873 atomic_set(&vha->vp_state, VP_FAILED);
874 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 875 }
876
e315cd28 877 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 878
879 ha->operating_mode = LOOP;
e315cd28
AC		 880 vha->flags.management_server_logged_in = 0;
881 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 882 break;
883
3a03eb79 884 /* case MBA_DCBX_COMPLETE: */
1da177e4 885 case MBA_POINT_TO_POINT: /* Point-to-Point */
ec7193e2 886 ha->flags.lip_ae = 0;
ec7193e2 887
1da177e4
LT		 888 if (IS_QLA2100(ha))
889 break;
890
7ec0effd 891 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 892 ql_dbg(ql_dbg_async, vha, 0x500d,
893 "DCBX Completed -- %04x %04x %04x.\n",
894 mb[1], mb[2], mb[3]);
9aaf2cea 895 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 896 complete(&ha->dcbx_comp);
897
898 } else
7c3df132
SK		 899 ql_dbg(ql_dbg_async, vha, 0x500e,
900 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 901
902 /*
903 * Until there's a transition from loop down to loop up, treat
904 * this as loop down only.
905 */
e315cd28
AC		 906 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
907 atomic_set(&vha->loop_state, LOOP_DOWN);
908 if (!atomic_read(&vha->loop_down_timer))
909 atomic_set(&vha->loop_down_timer,
1da177e4 910 LOOP_DOWN_TIME);
e315cd28 911 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 912 }
913
e315cd28
AC		 914 if (vha->vp_idx) {
915 atomic_set(&vha->vp_state, VP_FAILED);
916 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 917 }
918
e315cd28
AC		 919 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
920 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
921
922 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
923 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149 924
e315cd28 925 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 926 break;
927
928 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
929 if (IS_QLA2100(ha))
930 break;
931
cfb0919c 932 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 933 "Configuration change detected: value=%x.\n", mb[1]);
934
e315cd28
AC		 935 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
936 atomic_set(&vha->loop_state, LOOP_DOWN);
937 if (!atomic_read(&vha->loop_down_timer))
938 atomic_set(&vha->loop_down_timer,
1da177e4 939 LOOP_DOWN_TIME);
e315cd28 940 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 941 }
942
e315cd28
AC		 943 if (vha->vp_idx) {
944 atomic_set(&vha->vp_state, VP_FAILED);
945 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 946 }
947
e315cd28
AC		 948 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
949 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 950 break;
951
952 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 953 /*
954 * Handle only global and vn-port update events
955 *
956 * Relevant inputs:
957 * mb[1] = N_Port handle of changed port
958 * OR 0xffff for global event
959 * mb[2] = New login state
960 * 7 = Port logged out
961 * mb[3] = LSB is vp_idx, 0xff = all vps
962 *
963 * Skip processing if:
964 * Event is global, vp_idx is NOT all vps,
965 * vp_idx does not match
966 * Event is not global, vp_idx does not match
967 */
12cec63e
AV		 968 if (IS_QLA2XXX_MIDTYPE(ha) &&
969 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
970 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
971 break;
73208dfd 972
17cac3a1 973 if (mb[2] == 0x7) {
7c3df132 974 ql_dbg(ql_dbg_async, vha, 0x5010,
17cac3a1
JC		 975 "Port %s %04x %04x %04x.\n",
976 mb[1] == 0xffff ? "unavailable" : "logout",
7c3df132 977 mb[1], mb[2], mb[3]);
17cac3a1
JC		 978
979 if (mb[1] == 0xffff)
980 goto global_port_update;
981
b98ae0d7
QT		 982 if (mb[1] == NPH_SNS_LID(ha)) {
983 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
984 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
985 break;
986 }
987
988 /* use handle_cnt for loop id/nport handle */
989 if (IS_FWI2_CAPABLE(ha))
990 handle_cnt = NPH_SNS;
991 else
992 handle_cnt = SIMPLE_NAME_SERVER;
993 if (mb[1] == handle_cnt) {
994 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
995 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
996 break;
997 }
998
17cac3a1
JC		 999 /* Port logout */
1000 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1001 if (!fcport)
1002 break;
1003 if (atomic_read(&fcport->state) != FCS_ONLINE)
1004 break;
1005 ql_dbg(ql_dbg_async, vha, 0x508a,
1006 "Marking port lost loopid=%04x portid=%06x.\n",
1007 fcport->loop_id, fcport->d_id.b24);
726b8548
QT		 1008 if (qla_ini_mode_enabled(vha)) {
1009 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1010 fcport->logout_on_delete = 0;
d8630bb9 1011 qlt_schedule_sess_for_deletion(fcport);
726b8548 1012 }
17cac3a1
JC		 1013 break;
1014
1015global_port_update:
9764ff88
AV		 1016 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1017 atomic_set(&vha->loop_state, LOOP_DOWN);
1018 atomic_set(&vha->loop_down_timer,
1019 LOOP_DOWN_TIME);
1020 vha->device_flags |= DFLG_NO_CABLE;
1021 qla2x00_mark_all_devices_lost(vha, 1);
1022 }
1023
1024 if (vha->vp_idx) {
1025 atomic_set(&vha->vp_state, VP_FAILED);
1026 fc_vport_set_state(vha->fc_vport,
1027 FC_VPORT_FAILED);
faadc5e7 1028 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 1029 }
1030
1031 vha->flags.management_server_logged_in = 0;
1032 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1033 break;
1034 }
1035
1da177e4 1036 /*
cc3ef7bc 1037 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 1038 * event etc. earlier indicating loop is down) then process
1039 * it. Otherwise ignore it and Wait for RSCN to come in.
1040 */
e315cd28 1041 atomic_set(&vha->loop_down_timer, 0);
8e5a9484 1042 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
edd05de1 1043 !ha->flags.n2n_ae &&
8e5a9484 1044 atomic_read(&vha->loop_state) != LOOP_DEAD) {
7c3df132
SK		 1045 ql_dbg(ql_dbg_async, vha, 0x5011,
1046 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1047 mb[1], mb[2], mb[3]);
2d70c103
NB		 1048
1049 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 1050 break;
1051 }
1052
7c3df132
SK		 1053 ql_dbg(ql_dbg_async, vha, 0x5012,
1054 "Port database changed %04x %04x %04x.\n",
1055 mb[1], mb[2], mb[3]);
1da177e4
LT		 1056
1057 /*
1058 * Mark all devices as missing so we will login again.
1059 */
e315cd28 1060 atomic_set(&vha->loop_state, LOOP_UP);
6944dccb 1061 vha->scan.scan_retry = 0;
1da177e4 1062
e315cd28
AC		 1063 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1064 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
ded6411f 1065 set_bit(VP_CONFIG_OK, &vha->vp_flags);
2d70c103
NB		 1066
1067 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 1068 break;
1069
1070 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 1071 /* Check if the Vport has issued a SCR */
e315cd28 1072 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 1073 break;
1074 /* Only handle SCNs for our Vport index. */
0d6e61bc 1075 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 1076 break;
0d6e61bc 1077
7c3df132
SK		 1078 ql_dbg(ql_dbg_async, vha, 0x5013,
1079 "RSCN database changed -- %04x %04x %04x.\n",
1080 mb[1], mb[2], mb[3]);
1da177e4 1081
59d72d87 1082 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 1083 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1084 | vha->d_id.b.al_pa;
1da177e4 1085 if (rscn_entry == host_pid) {
7c3df132
SK		 1086 ql_dbg(ql_dbg_async, vha, 0x5014,
1087 "Ignoring RSCN update to local host "
1088 "port ID (%06x).\n", host_pid);
1da177e4
LT		 1089 break;
1090 }
1091
59d72d87
RA		 1092 /* Ignore reserved bits from RSCN-payload. */
1093 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 1094
bb4cf5b7
CD		 1095 /* Skip RSCNs for virtual ports on the same physical port */
1096 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1097 break;
1098
e315cd28
AC		 1099 atomic_set(&vha->loop_down_timer, 0);
1100 vha->flags.management_server_logged_in = 0;
726b8548
QT		 1101 {
1102 struct event_arg ea;
1da177e4 1103
726b8548
QT		 1104 memset(&ea, 0, sizeof(ea));
1105 ea.event = FCME_RSCN;
1106 ea.id.b24 = rscn_entry;
41dc529a 1107 ea.id.b.rsvd_1 = rscn_entry >> 24;
726b8548 1108 qla2x00_fcport_event_handler(vha, &ea);
41dc529a 1109 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
726b8548 1110 }
1da177e4 1111 break;
1da177e4
LT		 1112 /* case MBA_RIO_RESPONSE: */
1113 case MBA_ZIO_RESPONSE:
7c3df132
SK		 1114 ql_dbg(ql_dbg_async, vha, 0x5015,
1115 "[R|Z]IO update completion.\n");
1da177e4 1116
e428924c 1117 if (IS_FWI2_CAPABLE(ha))
2afa19a9 1118 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 1119 else
73208dfd 1120 qla2x00_process_response_queue(rsp);
1da177e4 1121 break;
9a853f71
AV		 1122
1123 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 1124 ql_dbg(ql_dbg_async, vha, 0x5016,
1125 "Discard RND Frame -- %04x %04x %04x.\n",
1126 mb[1], mb[2], mb[3]);
9a853f71 1127 break;
45ebeb56
AV		 1128
1129 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 1130 ql_dbg(ql_dbg_async, vha, 0x5017,
1131 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1132 break;
4d4df193
HK		 1133
1134 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1135 ql_dbg(ql_dbg_async, vha, 0x5018,
1136 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1137 mb[1], mb[2], mb[3]);
4d4df193
HK		 1138
1139 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1140 switch (mb[1]) {
1141 case A84_PANIC_RECOVERY:
7c3df132
SK		 1142 ql_log(ql_log_info, vha, 0x5019,
1143 "Alert 84XX: panic recovery %04x %04x.\n",
1144 mb[2], mb[3]);
4d4df193
HK		 1145 break;
1146 case A84_OP_LOGIN_COMPLETE:
1147 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1148 ql_log(ql_log_info, vha, 0x501a,
1149 "Alert 84XX: firmware version %x.\n",
1150 ha->cs84xx->op_fw_version);
4d4df193
HK		 1151 break;
1152 case A84_DIAG_LOGIN_COMPLETE:
1153 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1154 ql_log(ql_log_info, vha, 0x501b,
1155 "Alert 84XX: diagnostic firmware version %x.\n",
1156 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1157 break;
1158 case A84_GOLD_LOGIN_COMPLETE:
1159 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1160 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1161 ql_log(ql_log_info, vha, 0x501c,
1162 "Alert 84XX: gold firmware version %x.\n",
1163 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1164 break;
1165 default:
7c3df132
SK		 1166 ql_log(ql_log_warn, vha, 0x501d,
1167 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1168 mb[1], mb[2], mb[3]);
1169 }
1170 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1171 break;
3a03eb79 1172 case MBA_DCBX_START:
7c3df132
SK		 1173 ql_dbg(ql_dbg_async, vha, 0x501e,
1174 "DCBX Started -- %04x %04x %04x.\n",
1175 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1176 break;
1177 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1178 ql_dbg(ql_dbg_async, vha, 0x501f,
1179 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1180 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1181 break;
1182 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1183 ql_dbg(ql_dbg_async, vha, 0x5020,
1184 "FCF Configuration Error -- %04x %04x %04x.\n",
1185 mb[1], mb[2], mb[3]);
3a03eb79 1186 break;
3a03eb79 1187 case MBA_IDC_NOTIFY:
7ec0effd 1188 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1189 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1190 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1191 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1192 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1193 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1194 /*
1195 * Extend loop down timer since port is active.
1196 */
1197 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1198 atomic_set(&vha->loop_down_timer,
1199 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1200 qla2xxx_wake_dpc(vha);
1201 }
67b2a31f 1202 }
81881861 1203 /* fall through */
8fcd6b8b 1204 case MBA_IDC_COMPLETE:
9aaf2cea 1205 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1206 complete(&ha->lb_portup_comp);
1207 /* Fallthru */
3a03eb79 1208 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1209 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1210 IS_QLA8044(ha))
7d613ac6
SV		 1211 qla81xx_idc_event(vha, mb[0], mb[1]);
1212 break;
1213
1214 case MBA_IDC_AEN:
1215 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1216 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1217 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1218 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1219 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1220 break;
7d613ac6 1221
b5a340dd
JC		 1222 case MBA_DPORT_DIAGNOSTICS:
1223 ql_dbg(ql_dbg_async, vha, 0x5052,
ef55e513 1224 "D-Port Diagnostics: %04x result=%s\n",
ec891462 1225 mb[0],
b5a340dd 1226 mb[1] == 0 ? "start" :
ef55e513
JC		 1227 mb[1] == 1 ? "done (pass)" :
1228 mb[1] == 2 ? "done (error)" : "other");
b5a340dd
JC		 1229 break;
1230
a29b3dd7
JC		 1231 case MBA_TEMPERATURE_ALERT:
1232 ql_dbg(ql_dbg_async, vha, 0x505e,
1233 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1234 if (mb[1] == 0x12)
1235 schedule_work(&ha->board_disable);
1236 break;
1237
92d4408e
SC		 1238 case MBA_TRANS_INSERT:
1239 ql_dbg(ql_dbg_async, vha, 0x5091,
1240 "Transceiver Insertion: %04x\n", mb[1]);
1241 break;
1242
6246b8a1
GM		 1243 default:
1244 ql_dbg(ql_dbg_async, vha, 0x5057,
1245 "Unknown AEN:%04x %04x %04x %04x\n",
1246 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1247 }
2c3dfe3f 1248
2d70c103
NB		 1249 qlt_async_event(mb[0], vha, mb);
1250
e315cd28 1251 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1252 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1253}
1254
1255/**
1256 * qla2x00_process_completed_request() - Process a Fast Post response.
2db6228d
BVA		 1257 * @vha: SCSI driver HA context
1258 * @req: request queue
1da177e4
LT		 1259 * @index: SRB index
1260 */
8ae6d9c7 1261void
73208dfd 1262qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1263 struct req_que *req, uint32_t index)
1da177e4
LT		 1264{
1265 srb_t *sp;
e315cd28 1266 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1267
1268 /* Validate handle. */
8d93f550 1269 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1270 ql_log(ql_log_warn, vha, 0x3014,
1271 "Invalid SCSI command index (%x).\n", index);
1da177e4 1272
7ec0effd 1273 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1274 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1275 else
1276 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1277 return;
1278 }
1279
e315cd28 1280 sp = req->outstanding_cmds[index];
1da177e4
LT		 1281 if (sp) {
1282 /* Free outstanding command slot. */
e315cd28 1283 req->outstanding_cmds[index] = NULL;
1da177e4 1284
1da177e4 1285 /* Save ISP completion status */
25ff6af1 1286 sp->done(sp, DID_OK << 16);
1da177e4 1287 } else {
7c3df132 1288 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1289
7ec0effd 1290 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1291 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1292 else
1293 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1294 }
1295}
1296
8ae6d9c7 1297srb_t *
ac280b67
AV		 1298qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1299 struct req_que *req, void *iocb)
1300{
1301 struct qla_hw_data *ha = vha->hw;
1302 sts_entry_t *pkt = iocb;
1303 srb_t *sp = NULL;
1304 uint16_t index;
1305
1306 index = LSW(pkt->handle);
8d93f550 1307 if (index >= req->num_outstanding_cmds) {
7c3df132 1308 ql_log(ql_log_warn, vha, 0x5031,
726b8548
QT		 1309 "Invalid command index (%x) type %8ph.\n",
1310 index, iocb);
7ec0effd 1311 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1312 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1313 else
1314 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1315 goto done;
1316 }
1317 sp = req->outstanding_cmds[index];
1318 if (!sp) {
7c3df132
SK		 1319 ql_log(ql_log_warn, vha, 0x5032,
1320 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1321 return sp;
1322 }
1323 if (sp->handle != index) {
7c3df132
SK		 1324 ql_log(ql_log_warn, vha, 0x5033,
1325 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1326 return NULL;
1327 }
9a069e19 1328
ac280b67 1329 req->outstanding_cmds[index] = NULL;
9a069e19 1330
ac280b67
AV		 1331done:
1332 return sp;
1333}
1334
1335static void
1336qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1337 struct mbx_entry *mbx)
1338{
1339 const char func[] = "MBX-IOCB";
1340 const char *type;
ac280b67
AV		 1341 fc_port_t *fcport;
1342 srb_t *sp;
4916392b 1343 struct srb_iocb *lio;
99b0bec7 1344 uint16_t *data;
5ff1d584 1345 uint16_t status;
ac280b67
AV		 1346
1347 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1348 if (!sp)
1349 return;
1350
9ba56b95
GM		 1351 lio = &sp->u.iocb_cmd;
1352 type = sp->name;
ac280b67 1353 fcport = sp->fcport;
4916392b 1354 data = lio->u.logio.data;
ac280b67 1355
5ff1d584 1356 data[0] = MBS_COMMAND_ERROR;
4916392b 1357 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1358 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1359 if (mbx->entry_status) {
7c3df132 1360 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1361 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1362 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1363 "status-flags=%x.\n", type, sp->handle,
1364 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1365 fcport->d_id.b.al_pa, mbx->entry_status,
1366 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1367 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1368
cfb0919c 1369 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1370 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1371
99b0bec7 1372 goto logio_done;
ac280b67
AV		 1373 }
1374
5ff1d584 1375 status = le16_to_cpu(mbx->status);
9ba56b95 1376 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1377 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1378 status = 0;
1379 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1380 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1381 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1382 type, sp->handle, fcport->d_id.b.domain,
1383 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1384 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1385
1386 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1387 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1388 fcport->port_type = FCT_TARGET;
1389 if (le16_to_cpu(mbx->mb1) & BIT_0)
1390 fcport->port_type = FCT_INITIATOR;
6ac52608 1391 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1392 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1393 }
99b0bec7 1394 goto logio_done;
ac280b67
AV		 1395 }
1396
1397 data[0] = le16_to_cpu(mbx->mb0);
1398 switch (data[0]) {
1399 case MBS_PORT_ID_USED:
1400 data[1] = le16_to_cpu(mbx->mb1);
1401 break;
1402 case MBS_LOOP_ID_USED:
1403 break;
1404 default:
1405 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1406 break;
1407 }
1408
7c3df132 1409 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1410 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1411 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1412 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1413 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1414 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1415 le16_to_cpu(mbx->mb7));
ac280b67 1416
99b0bec7 1417logio_done:
25ff6af1 1418 sp->done(sp, 0);
ac280b67
AV		 1419}
1420
726b8548
QT		 1421static void
1422qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1423 struct mbx_24xx_entry *pkt)
1424{
1425 const char func[] = "MBX-IOCB2";
1426 srb_t *sp;
1427 struct srb_iocb *si;
1428 u16 sz, i;
1429 int res;
1430
1431 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1432 if (!sp)
1433 return;
1434
1435 si = &sp->u.iocb_cmd;
1436 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1437
1438 for (i = 0; i < sz; i++)
1439 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1440
1441 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1442
25ff6af1 1443 sp->done(sp, res);
726b8548
QT		 1444}
1445
1446static void
1447qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1448 struct nack_to_isp *pkt)
1449{
1450 const char func[] = "nack";
1451 srb_t *sp;
1452 int res = 0;
1453
1454 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1455 if (!sp)
1456 return;
1457
1458 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1459 res = QLA_FUNCTION_FAILED;
1460
25ff6af1 1461 sp->done(sp, res);
ac280b67
AV		 1462}
1463
9bc4f4fb
HZ		 1464static void
1465qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1466 sts_entry_t *pkt, int iocb_type)
1467{
1468 const char func[] = "CT_IOCB";
1469 const char *type;
9bc4f4fb 1470 srb_t *sp;
75cc8cfc 1471 struct bsg_job *bsg_job;
01e0e15c 1472 struct fc_bsg_reply *bsg_reply;
9bc4f4fb 1473 uint16_t comp_status;
726b8548 1474 int res = 0;
9bc4f4fb
HZ		 1475
1476 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1477 if (!sp)
1478 return;
1479
726b8548
QT		 1480 switch (sp->type) {
1481 case SRB_CT_CMD:
1482 bsg_job = sp->u.bsg_job;
1483 bsg_reply = bsg_job->reply;
1484
1485 type = "ct pass-through";
1486
1487 comp_status = le16_to_cpu(pkt->comp_status);
1488
1489 /*
1490 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1491 * fc payload to the caller
1492 */
1493 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1494 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1495
1496 if (comp_status != CS_COMPLETE) {
1497 if (comp_status == CS_DATA_UNDERRUN) {
1498 res = DID_OK << 16;
1499 bsg_reply->reply_payload_rcv_len =
1500 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1501
1502 ql_log(ql_log_warn, vha, 0x5048,
1503 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1504 type, comp_status,
1505 bsg_reply->reply_payload_rcv_len);
1506 } else {
1507 ql_log(ql_log_warn, vha, 0x5049,
1508 "CT pass-through-%s error comp_status=0x%x.\n",
1509 type, comp_status);
1510 res = DID_ERROR << 16;
1511 bsg_reply->reply_payload_rcv_len = 0;
1512 }
1513 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1514 (uint8_t *)pkt, sizeof(*pkt));
1515 } else {
1516 res = DID_OK << 16;
1517 bsg_reply->reply_payload_rcv_len =
1518 bsg_job->reply_payload.payload_len;
1519 bsg_job->reply_len = 0;
1520 }
1521 break;
1522 case SRB_CT_PTHRU_CMD:
1523 /*
1524 * borrowing sts_entry_24xx.comp_status.
1525 * same location as ct_entry_24xx.comp_status
1526 */
1527 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1528 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1529 sp->name);
1530 break;
9bc4f4fb
HZ		 1531 }
1532
25ff6af1 1533 sp->done(sp, res);
9bc4f4fb
HZ		 1534}
1535
9a069e19
GM		 1536static void
1537qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1538 struct sts_entry_24xx *pkt, int iocb_type)
1539{
1540 const char func[] = "ELS_CT_IOCB";
1541 const char *type;
9a069e19 1542 srb_t *sp;
75cc8cfc 1543 struct bsg_job *bsg_job;
01e0e15c 1544 struct fc_bsg_reply *bsg_reply;
9a069e19
GM		 1545 uint16_t comp_status;
1546 uint32_t fw_status[3];
9ba56b95 1547 int res;
edd05de1 1548 struct srb_iocb *els;
9a069e19
GM		 1549
1550 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1551 if (!sp)
1552 return;
9a069e19
GM		 1553
1554 type = NULL;
9ba56b95 1555 switch (sp->type) {
9a069e19
GM		 1556 case SRB_ELS_CMD_RPT:
1557 case SRB_ELS_CMD_HST:
1558 type = "els";
1559 break;
1560 case SRB_CT_CMD:
1561 type = "ct pass-through";
1562 break;
6eb54715
HM		 1563 case SRB_ELS_DCMD:
1564 type = "Driver ELS logo";
edd05de1
DG		 1565 if (iocb_type != ELS_IOCB_TYPE) {
1566 ql_dbg(ql_dbg_user, vha, 0x5047,
1567 "Completing %s: (%p) type=%d.\n",
1568 type, sp, sp->type);
1569 sp->done(sp, 0);
1570 return;
1571 }
1572 break;
726b8548
QT		 1573 case SRB_CT_PTHRU_CMD:
1574 /* borrowing sts_entry_24xx.comp_status.
1575 same location as ct_entry_24xx.comp_status
1576 */
2d73ac61 1577 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
726b8548
QT		 1578 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1579 sp->name);
25ff6af1 1580 sp->done(sp, res);
6eb54715 1581 return;
9a069e19 1582 default:
37fed3ee 1583 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1584 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1585 return;
1586 }
1587
1588 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1589 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1590 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1591
edd05de1
DG		 1592 if (iocb_type == ELS_IOCB_TYPE) {
1593 els = &sp->u.iocb_cmd;
1594 els->u.els_plogi.fw_status[0] = fw_status[0];
1595 els->u.els_plogi.fw_status[1] = fw_status[1];
1596 els->u.els_plogi.fw_status[2] = fw_status[2];
1597 els->u.els_plogi.comp_status = fw_status[0];
1598 if (comp_status == CS_COMPLETE) {
1599 res = DID_OK << 16;
1600 } else {
1601 if (comp_status == CS_DATA_UNDERRUN) {
1602 res = DID_OK << 16;
1603 els->u.els_plogi.len =
1604 le16_to_cpu(((struct els_sts_entry_24xx *)
1605 pkt)->total_byte_count);
1606 } else {
1607 els->u.els_plogi.len = 0;
1608 res = DID_ERROR << 16;
1609 }
1610 }
1611 ql_log(ql_log_info, vha, 0x503f,
1612 "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",
1613 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1614 le16_to_cpu(((struct els_sts_entry_24xx *)
1615 pkt)->total_byte_count));
1616 goto els_ct_done;
1617 }
1618
9a069e19
GM		 1619 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1620 * fc payload to the caller
1621 */
a1730595
DG		 1622 bsg_job = sp->u.bsg_job;
1623 bsg_reply = bsg_job->reply;
01e0e15c 1624 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9a069e19
GM		 1625 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1626
1627 if (comp_status != CS_COMPLETE) {
1628 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1629 res = DID_OK << 16;
01e0e15c 1630 bsg_reply->reply_payload_rcv_len =
9ba56b95 1631 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1632
37fed3ee 1633 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1634 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1635 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1636 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1637 le16_to_cpu(((struct els_sts_entry_24xx *)
1638 pkt)->total_byte_count));
05231a3b 1639 } else {
37fed3ee 1640 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1641 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1642 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1643 type, sp->handle, comp_status,
7c3df132
SK		 1644 le16_to_cpu(((struct els_sts_entry_24xx *)
1645 pkt)->error_subcode_1),
1646 le16_to_cpu(((struct els_sts_entry_24xx *)
1647 pkt)->error_subcode_2));
9ba56b95 1648 res = DID_ERROR << 16;
01e0e15c 1649 bsg_reply->reply_payload_rcv_len = 0;
9a069e19 1650 }
05231a3b
CH		 1651 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1652 fw_status, sizeof(fw_status));
37fed3ee 1653 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1654 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1655 }
1656 else {
9ba56b95 1657 res = DID_OK << 16;
01e0e15c 1658 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
9a069e19
GM		 1659 bsg_job->reply_len = 0;
1660 }
edd05de1 1661els_ct_done:
9a069e19 1662
25ff6af1 1663 sp->done(sp, res);
9a069e19
GM		 1664}
1665
ac280b67
AV		 1666static void
1667qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1668 struct logio_entry_24xx *logio)
1669{
1670 const char func[] = "LOGIO-IOCB";
1671 const char *type;
ac280b67
AV		 1672 fc_port_t *fcport;
1673 srb_t *sp;
4916392b 1674 struct srb_iocb *lio;
99b0bec7 1675 uint16_t *data;
ac280b67
AV		 1676 uint32_t iop[2];
1677
1678 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1679 if (!sp)
1680 return;
1681
9ba56b95
GM		 1682 lio = &sp->u.iocb_cmd;
1683 type = sp->name;
ac280b67 1684 fcport = sp->fcport;
4916392b 1685 data = lio->u.logio.data;
ac280b67 1686
5ff1d584 1687 data[0] = MBS_COMMAND_ERROR;
4916392b 1688 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1689 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1690 if (logio->entry_status) {
5e19ed90 1691 ql_log(ql_log_warn, fcport->vha, 0x5034,
5b33469a 1692 "Async-%s error entry - %8phC hdl=%x"
d3fa9e7d 1693 "portid=%02x%02x%02x entry-status=%x.\n",
5b33469a 1694 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
cfb0919c
CD		 1695 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1696 logio->entry_status);
1697 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1698 (uint8_t *)logio, sizeof(*logio));
ac280b67 1699
99b0bec7 1700 goto logio_done;
ac280b67
AV		 1701 }
1702
1703 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1704 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
5b33469a
QT		 1705 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1706 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1707 fcport->d_id.b.domain,
cfb0919c 1708 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1709 le32_to_cpu(logio->io_parameter[0]));
ac280b67 1710
ead03855 1711 vha->hw->exch_starvation = 0;
ac280b67 1712 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1713 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1714 goto logio_done;
ac280b67
AV		 1715
1716 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1717 if (iop[0] & BIT_4) {
1718 fcport->port_type = FCT_TARGET;
1719 if (iop[0] & BIT_8)
8474f3a0 1720 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1721 } else if (iop[0] & BIT_5)
ac280b67 1722 fcport->port_type = FCT_INITIATOR;
b0cd579c 1723
2d70c103
NB		 1724 if (iop[0] & BIT_7)
1725 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1726
ac280b67
AV		 1727 if (logio->io_parameter[7] || logio->io_parameter[8])
1728 fcport->supported_classes |= FC_COS_CLASS2;
1729 if (logio->io_parameter[9] || logio->io_parameter[10])
1730 fcport->supported_classes |= FC_COS_CLASS3;
1731
99b0bec7 1732 goto logio_done;
ac280b67
AV		 1733 }
1734
1735 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1736 iop[1] = le32_to_cpu(logio->io_parameter[1]);
726b8548
QT		 1737 lio->u.logio.iop[0] = iop[0];
1738 lio->u.logio.iop[1] = iop[1];
ac280b67
AV		 1739 switch (iop[0]) {
1740 case LSC_SCODE_PORTID_USED:
1741 data[0] = MBS_PORT_ID_USED;
1742 data[1] = LSW(iop[1]);
1743 break;
1744 case LSC_SCODE_NPORT_USED:
1745 data[0] = MBS_LOOP_ID_USED;
1746 break;
5b33469a
QT		 1747 case LSC_SCODE_CMD_FAILED:
1748 if (iop[1] == 0x0606) {
1749 /*
1750 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1751 * Target side acked.
1752 */
1753 data[0] = MBS_COMMAND_COMPLETE;
1754 goto logio_done;
1755 }
1756 data[0] = MBS_COMMAND_ERROR;
1757 break;
ead03855
QT		 1758 case LSC_SCODE_NOXCB:
1759 vha->hw->exch_starvation++;
1760 if (vha->hw->exch_starvation > 5) {
83548fe2 1761 ql_log(ql_log_warn, vha, 0xd046,
ead03855
QT		 1762 "Exchange starvation. Resetting RISC\n");
1763
1764 vha->hw->exch_starvation = 0;
1765
1766 if (IS_P3P_TYPE(vha->hw))
1767 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1768 else
1769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1770 qla2xxx_wake_dpc(vha);
1771 }
81881861 1772 /* fall through */
ac280b67
AV		 1773 default:
1774 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1775 break;
1776 }
1777
5e19ed90 1778 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
5b33469a
QT		 1779 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1780 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1781 sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1782 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1783 le16_to_cpu(logio->comp_status),
1784 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1785 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1786
99b0bec7 1787logio_done:
25ff6af1 1788 sp->done(sp, 0);
ac280b67
AV		 1789}
1790
3822263e 1791static void
faef62d1 1792qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1793{
1794 const char func[] = "TMF-IOCB";
1795 const char *type;
1796 fc_port_t *fcport;
1797 srb_t *sp;
1798 struct srb_iocb *iocb;
3822263e 1799 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1800
1801 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1802 if (!sp)
1803 return;
1804
9ba56b95
GM		 1805 iocb = &sp->u.iocb_cmd;
1806 type = sp->name;
3822263e 1807 fcport = sp->fcport;
faef62d1 1808 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1809
1810 if (sts->entry_status) {
5e19ed90 1811 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1812 "Async-%s error - hdl=%x entry-status(%x).\n",
1813 type, sp->handle, sts->entry_status);
faef62d1 1814 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
ad950360 1815 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1816 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1817 "Async-%s error - hdl=%x completion status(%x).\n",
1818 type, sp->handle, sts->comp_status);
faef62d1
AB		 1819 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1820 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1821 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1822 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1823 ql_log(ql_log_warn, fcport->vha, 0x503b,
1824 "Async-%s error - hdl=%x not enough response(%d).\n",
1825 type, sp->handle, sts->rsp_data_len);
1826 } else if (sts->data[3]) {
1827 ql_log(ql_log_warn, fcport->vha, 0x503c,
1828 "Async-%s error - hdl=%x response(%x).\n",
1829 type, sp->handle, sts->data[3]);
8d2b21db 1830 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
faef62d1 1831 }
3822263e
MI		 1832 }
1833
faef62d1 1834 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1835 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1836 (uint8_t *)sts, sizeof(*sts));
3822263e 1837
25ff6af1 1838 sp->done(sp, 0);
3822263e
MI		 1839}
1840
60dd6e8e
DT		 1841static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1842 void *tsk, srb_t *sp)
7401bc18 1843{
7401bc18 1844 fc_port_t *fcport;
7401bc18
DG		 1845 struct srb_iocb *iocb;
1846 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1847 uint16_t state_flags;
1848 struct nvmefc_fcp_req *fd;
1849 uint16_t ret = 0;
7401bc18
DG		 1850
1851 iocb = &sp->u.iocb_cmd;
1852 fcport = sp->fcport;
1853 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status);
1854 state_flags = le16_to_cpu(sts->state_flags);
1855 fd = iocb->u.nvme.desc;
7401bc18 1856
60dd6e8e 1857 if (unlikely(iocb->u.nvme.aen_op))
deeae7a6 1858 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
7401bc18
DG		 1859
1860 /*
1861 * State flags: Bit 6 and 0.
1862 * If 0 is set, we don't care about 6.
1863 * both cases resp was dma'd to host buffer
1864 * if both are 0, that is good path case.
1865 * if six is set and 0 is clear, we need to
1866 * copy resp data from status iocb to resp buffer.
1867 */
1868 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1869 iocb->u.nvme.rsp_pyld_len = 0;
1870 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1871 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1872 } else if (state_flags & SF_NVME_ERSP) {
1873 uint32_t *inbuf, *outbuf;
1874 uint16_t iter;
1875
1876 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1877 outbuf = (uint32_t *)fd->rspaddr;
1878 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1879 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1880 for (; iter; iter--)
1881 *outbuf++ = swab32(*inbuf++);
1882 } else { /* unhandled case */
1883 ql_log(ql_log_warn, fcport->vha, 0x503a,
1884 "NVME-%s error. Unhandled state_flags of %x\n",
1885 sp->name, state_flags);
1886 }
1887
1888 fd->transferred_length = fd->payload_length -
1889 le32_to_cpu(sts->residual_len);
1890
60dd6e8e
DT		 1891 switch (le16_to_cpu(sts->comp_status)) {
1892 case CS_COMPLETE:
1893 ret = QLA_SUCCESS;
1894 break;
1895 case CS_ABORTED:
1896 case CS_RESET:
1897 case CS_PORT_UNAVAILABLE:
1898 case CS_PORT_LOGGED_OUT:
1899 case CS_PORT_BUSY:
1900 ql_log(ql_log_warn, fcport->vha, 0x5060,
1901 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1902 sp->name, sp->handle, sts->comp_status,
1903 le32_to_cpu(sts->residual_len), sts->ox_id);
1904 fd->transferred_length = 0;
1905 iocb->u.nvme.rsp_pyld_len = 0;
1906 ret = QLA_ABORTED;
1907 break;
1908 default:
1909 ql_log(ql_log_warn, fcport->vha, 0x5060,
1910 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1911 sp->name, sp->handle, sts->comp_status,
1912 le32_to_cpu(sts->residual_len), sts->ox_id);
7401bc18 1913 ret = QLA_FUNCTION_FAILED;
60dd6e8e 1914 break;
7401bc18
DG		 1915 }
1916 sp->done(sp, ret);
1917}
1918
2853192e
QT		 1919static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1920 struct vp_ctrl_entry_24xx *vce)
1921{
1922 const char func[] = "CTRLVP-IOCB";
1923 srb_t *sp;
1924 int rval = QLA_SUCCESS;
1925
1926 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1927 if (!sp)
1928 return;
1929
1930 if (vce->entry_status != 0) {
1931 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1932 "%s: Failed to complete IOCB -- error status (%x)\n",
1933 sp->name, vce->entry_status);
1934 rval = QLA_FUNCTION_FAILED;
1935 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1936 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1937 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1938 sp->name, le16_to_cpu(vce->comp_status),
1939 le16_to_cpu(vce->vp_idx_failed));
1940 rval = QLA_FUNCTION_FAILED;
1941 } else {
1942 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1943 "Done %s.\n", __func__);
1944 }
1945
1946 sp->rc = rval;
1947 sp->done(sp, rval);
1948}
1949
1da177e4
LT		 1950/**
1951 * qla2x00_process_response_queue() - Process response queue entries.
2db6228d 1952 * @rsp: response queue
1da177e4
LT		 1953 */
1954void
73208dfd 1955qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1956{
73208dfd
AC		 1957 struct scsi_qla_host *vha;
1958 struct qla_hw_data *ha = rsp->hw;
3d71644c 1959 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1960 sts_entry_t *pkt;
1961 uint16_t handle_cnt;
1962 uint16_t cnt;
73208dfd 1963
2afa19a9 1964 vha = pci_get_drvdata(ha->pdev);
1da177e4 1965
e315cd28 1966 if (!vha->flags.online)
1da177e4
LT		 1967 return;
1968
e315cd28
AC		 1969 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1970 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1971
e315cd28
AC		 1972 rsp->ring_index++;
1973 if (rsp->ring_index == rsp->length) {
1974 rsp->ring_index = 0;
1975 rsp->ring_ptr = rsp->ring;
1da177e4 1976 } else {
e315cd28 1977 rsp->ring_ptr++;
1da177e4
LT		 1978 }
1979
1980 if (pkt->entry_status != 0) {
73208dfd 1981 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1982 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1983 wmb();
1984 continue;
1985 }
1986
1987 switch (pkt->entry_type) {
1988 case STATUS_TYPE:
73208dfd 1989 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1990 break;
1991 case STATUS_TYPE_21:
1992 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1993 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1994 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1995 ((sts21_entry_t *)pkt)->handle[cnt]);
1996 }
1997 break;
1998 case STATUS_TYPE_22:
1999 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
2000 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 2001 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 2002 ((sts22_entry_t *)pkt)->handle[cnt]);
2003 }
2004 break;
2005 case STATUS_CONT_TYPE:
2afa19a9 2006 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 2007 break;
ac280b67
AV		 2008 case MBX_IOCB_TYPE:
2009 qla2x00_mbx_iocb_entry(vha, rsp->req,
2010 (struct mbx_entry *)pkt);
3822263e 2011 break;
9bc4f4fb
HZ		 2012 case CT_IOCB_TYPE:
2013 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2014 break;
1da177e4
LT		 2015 default:
2016 /* Type Not Supported. */
7c3df132
SK		 2017 ql_log(ql_log_warn, vha, 0x504a,
2018 "Received unknown response pkt type %x "
1da177e4 2019 "entry status=%x.\n",
7c3df132 2020 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 2021 break;
2022 }
2023 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2024 wmb();
2025 }
2026
2027 /* Adjust ring index */
e315cd28 2028 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 2029}
2030
4733fcb1 2031static inline void
5544213b 2032qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 2033 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 2034{
25ff6af1 2035 struct scsi_qla_host *vha = sp->vha;
9ba56b95
GM		 2036 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2037 uint32_t track_sense_len;
4733fcb1
AV		 2038
2039 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2040 sense_len = SCSI_SENSE_BUFFERSIZE;
2041
9ba56b95
GM		 2042 SET_CMD_SENSE_LEN(sp, sense_len);
2043 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2044 track_sense_len = sense_len;
2045
2046 if (sense_len > par_sense_len)
5544213b 2047 sense_len = par_sense_len;
4733fcb1
AV		 2048
2049 memcpy(cp->sense_buffer, sense_data, sense_len);
2050
9ba56b95
GM		 2051 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2052 track_sense_len -= sense_len;
2053 SET_CMD_SENSE_LEN(sp, track_sense_len);
2054
2055 if (track_sense_len != 0) {
2afa19a9 2056 rsp->status_srb = sp;
9ba56b95
GM		 2057 cp->result = res;
2058 }
4733fcb1 2059
cfb0919c
CD		 2060 if (sense_len) {
2061 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
9cb78c16 2062 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
25ff6af1 2063 sp->vha->host_no, cp->device->id, cp->device->lun,
cfb0919c 2064 cp);
7c3df132
SK		 2065 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2066 cp->sense_buffer, sense_len);
cfb0919c 2067 }
4733fcb1
AV		 2068}
2069
bad75002
AE		 2070struct scsi_dif_tuple {
2071 __be16 guard; /* Checksum */
d6a03581 2072 __be16 app_tag; /* APPL identifier */
bad75002
AE		 2073 __be32 ref_tag; /* Target LBA or indirect LBA */
2074};
2075
2076/*
2077 * Checks the guard or meta-data for the type of error
2078 * detected by the HBA. In case of errors, we set the
2079 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2080 * to indicate to the kernel that the HBA detected error.
2081 */
8cb2049c 2082static inline int
bad75002
AE		 2083qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2084{
25ff6af1 2085 struct scsi_qla_host *vha = sp->vha;
9ba56b95 2086 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 2087 uint8_t *ap = &sts24->data[12];
2088 uint8_t *ep = &sts24->data[20];
bad75002
AE		 2089 uint32_t e_ref_tag, a_ref_tag;
2090 uint16_t e_app_tag, a_app_tag;
2091 uint16_t e_guard, a_guard;
2092
8cb2049c
AE		 2093 /*
2094 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2095 * would make guard field appear at offset 2
2096 */
2097 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2098 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2099 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2100 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2101 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2102 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 2103
7c3df132
SK		 2104 ql_dbg(ql_dbg_io, vha, 0x3023,
2105 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 2106
7c3df132
SK		 2107 ql_dbg(ql_dbg_io, vha, 0x3024,
2108 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 2109 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 2110 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 2111 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 2112 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 2113
8cb2049c
AE		 2114 /*
2115 * Ignore sector if:
2116 * For type 3: ref & app tag is all 'f's
2117 * For type 0,1,2: app tag is all 'f's
2118 */
128b6f9f 2119 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
8cb2049c 2120 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
128b6f9f 2121 (a_ref_tag == T10_PI_REF_ESCAPE))) {
8cb2049c
AE		 2122 uint32_t blocks_done, resid;
2123 sector_t lba_s = scsi_get_lba(cmd);
2124
2125 /* 2TB boundary case covered automatically with this */
2126 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2127
2128 resid = scsi_bufflen(cmd) - (blocks_done *
2129 cmd->device->sector_size);
2130
2131 scsi_set_resid(cmd, resid);
2132 cmd->result = DID_OK << 16;
2133
2134 /* Update protection tag */
2135 if (scsi_prot_sg_count(cmd)) {
2136 uint32_t i, j = 0, k = 0, num_ent;
2137 struct scatterlist *sg;
27c0e83b 2138 struct t10_pi_tuple *spt;
8cb2049c
AE		 2139
2140 /* Patch the corresponding protection tags */
2141 scsi_for_each_prot_sg(cmd, sg,
2142 scsi_prot_sg_count(cmd), i) {
2143 num_ent = sg_dma_len(sg) / 8;
2144 if (k + num_ent < blocks_done) {
2145 k += num_ent;
2146 continue;
2147 }
2148 j = blocks_done - k - 1;
2149 k = blocks_done;
2150 break;
2151 }
2152
2153 if (k != blocks_done) {
cfb0919c 2154 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 2155 "unexpected tag values tag:lba=%x:%llx)\n",
2156 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 2157 return 1;
2158 }
2159
2160 spt = page_address(sg_page(sg)) + sg->offset;
2161 spt += j;
2162
128b6f9f 2163 spt->app_tag = T10_PI_APP_ESCAPE;
8cb2049c 2164 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
128b6f9f 2165 spt->ref_tag = T10_PI_REF_ESCAPE;
8cb2049c
AE		 2166 }
2167
2168 return 0;
2169 }
2170
bad75002
AE		 2171 /* check guard */
2172 if (e_guard != a_guard) {
2173 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2174 0x10, 0x1);
2175 set_driver_byte(cmd, DRIVER_SENSE);
2176 set_host_byte(cmd, DID_ABORT);
584d7aad 2177 cmd->result |= SAM_STAT_CHECK_CONDITION;
8cb2049c 2178 return 1;
bad75002
AE		 2179 }
2180
e02587d7
AE		 2181 /* check ref tag */
2182 if (e_ref_tag != a_ref_tag) {
bad75002 2183 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 2184 0x10, 0x3);
bad75002
AE		 2185 set_driver_byte(cmd, DRIVER_SENSE);
2186 set_host_byte(cmd, DID_ABORT);
584d7aad 2187 cmd->result |= SAM_STAT_CHECK_CONDITION;
8cb2049c 2188 return 1;
bad75002
AE		 2189 }
2190
e02587d7
AE		 2191 /* check appl tag */
2192 if (e_app_tag != a_app_tag) {
bad75002 2193 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 2194 0x10, 0x2);
bad75002
AE		 2195 set_driver_byte(cmd, DRIVER_SENSE);
2196 set_host_byte(cmd, DID_ABORT);
584d7aad 2197 cmd->result |= SAM_STAT_CHECK_CONDITION;
8cb2049c 2198 return 1;
bad75002 2199 }
e02587d7 2200
8cb2049c 2201 return 1;
bad75002
AE		 2202}
2203
a9b6f722
SK		 2204static void
2205qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2206 struct req_que *req, uint32_t index)
2207{
2208 struct qla_hw_data *ha = vha->hw;
2209 srb_t *sp;
2210 uint16_t comp_status;
2211 uint16_t scsi_status;
2212 uint16_t thread_id;
2213 uint32_t rval = EXT_STATUS_OK;
75cc8cfc 2214 struct bsg_job *bsg_job = NULL;
01e0e15c
JT		 2215 struct fc_bsg_request *bsg_request;
2216 struct fc_bsg_reply *bsg_reply;
a9b6f722
SK		 2217 sts_entry_t *sts;
2218 struct sts_entry_24xx *sts24;
2219 sts = (sts_entry_t *) pkt;
2220 sts24 = (struct sts_entry_24xx *) pkt;
2221
2222 /* Validate handle. */
8d93f550 2223 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 2224 ql_log(ql_log_warn, vha, 0x70af,
2225 "Invalid SCSI completion handle 0x%x.\n", index);
2226 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2227 return;
2228 }
2229
2230 sp = req->outstanding_cmds[index];
01e0e15c 2231 if (!sp) {
a9b6f722
SK		 2232 ql_log(ql_log_warn, vha, 0x70b0,
2233 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2234 req->id, index);
2235
2236 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2237 return;
2238 }
2239
01e0e15c
JT		 2240 /* Free outstanding command slot. */
2241 req->outstanding_cmds[index] = NULL;
2242 bsg_job = sp->u.bsg_job;
2243 bsg_request = bsg_job->request;
2244 bsg_reply = bsg_job->reply;
2245
a9b6f722
SK		 2246 if (IS_FWI2_CAPABLE(ha)) {
2247 comp_status = le16_to_cpu(sts24->comp_status);
2248 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2249 } else {
2250 comp_status = le16_to_cpu(sts->comp_status);
2251 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2252 }
2253
01e0e15c 2254 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
a9b6f722
SK		 2255 switch (comp_status) {
2256 case CS_COMPLETE:
2257 if (scsi_status == 0) {
01e0e15c 2258 bsg_reply->reply_payload_rcv_len =
a9b6f722 2259 bsg_job->reply_payload.payload_len;
fabbb8df 2260 vha->qla_stats.input_bytes +=
01e0e15c 2261 bsg_reply->reply_payload_rcv_len;
fabbb8df 2262 vha->qla_stats.input_requests++;
a9b6f722
SK		 2263 rval = EXT_STATUS_OK;
2264 }
2265 goto done;
2266
2267 case CS_DATA_OVERRUN:
2268 ql_dbg(ql_dbg_user, vha, 0x70b1,
5a68a1c2 2269 "Command completed with data overrun thread_id=%d\n",
a9b6f722
SK		 2270 thread_id);
2271 rval = EXT_STATUS_DATA_OVERRUN;
2272 break;
2273
2274 case CS_DATA_UNDERRUN:
2275 ql_dbg(ql_dbg_user, vha, 0x70b2,
5a68a1c2 2276 "Command completed with data underrun thread_id=%d\n",
a9b6f722
SK		 2277 thread_id);
2278 rval = EXT_STATUS_DATA_UNDERRUN;
2279 break;
2280 case CS_BIDIR_RD_OVERRUN:
2281 ql_dbg(ql_dbg_user, vha, 0x70b3,
2282 "Command completed with read data overrun thread_id=%d\n",
2283 thread_id);
2284 rval = EXT_STATUS_DATA_OVERRUN;
2285 break;
2286
2287 case CS_BIDIR_RD_WR_OVERRUN:
2288 ql_dbg(ql_dbg_user, vha, 0x70b4,
2289 "Command completed with read and write data overrun "
2290 "thread_id=%d\n", thread_id);
2291 rval = EXT_STATUS_DATA_OVERRUN;
2292 break;
2293
2294 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2295 ql_dbg(ql_dbg_user, vha, 0x70b5,
2296 "Command completed with read data over and write data "
2297 "underrun thread_id=%d\n", thread_id);
2298 rval = EXT_STATUS_DATA_OVERRUN;
2299 break;
2300
2301 case CS_BIDIR_RD_UNDERRUN:
2302 ql_dbg(ql_dbg_user, vha, 0x70b6,
5a68a1c2 2303 "Command completed with read data underrun "
a9b6f722
SK		 2304 "thread_id=%d\n", thread_id);
2305 rval = EXT_STATUS_DATA_UNDERRUN;
2306 break;
2307
2308 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2309 ql_dbg(ql_dbg_user, vha, 0x70b7,
2310 "Command completed with read data under and write data "
2311 "overrun thread_id=%d\n", thread_id);
2312 rval = EXT_STATUS_DATA_UNDERRUN;
2313 break;
2314
2315 case CS_BIDIR_RD_WR_UNDERRUN:
2316 ql_dbg(ql_dbg_user, vha, 0x70b8,
2317 "Command completed with read and write data underrun "
2318 "thread_id=%d\n", thread_id);
2319 rval = EXT_STATUS_DATA_UNDERRUN;
2320 break;
2321
2322 case CS_BIDIR_DMA:
2323 ql_dbg(ql_dbg_user, vha, 0x70b9,
2324 "Command completed with data DMA error thread_id=%d\n",
2325 thread_id);
2326 rval = EXT_STATUS_DMA_ERR;
2327 break;
2328
2329 case CS_TIMEOUT:
2330 ql_dbg(ql_dbg_user, vha, 0x70ba,
2331 "Command completed with timeout thread_id=%d\n",
2332 thread_id);
2333 rval = EXT_STATUS_TIMEOUT;
2334 break;
2335 default:
2336 ql_dbg(ql_dbg_user, vha, 0x70bb,
2337 "Command completed with completion status=0x%x "
2338 "thread_id=%d\n", comp_status, thread_id);
2339 rval = EXT_STATUS_ERR;
2340 break;
2341 }
01e0e15c 2342 bsg_reply->reply_payload_rcv_len = 0;
a9b6f722
SK		 2343
2344done:
2345 /* Return the vendor specific reply to API */
01e0e15c 2346 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
a9b6f722
SK		 2347 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2348 /* Always return DID_OK, bsg will send the vendor specific response
2349 * in this case only */
f7d5182c 2350 sp->done(sp, DID_OK << 16);
a9b6f722
SK		 2351
2352}
2353
1da177e4
LT		 2354/**
2355 * qla2x00_status_entry() - Process a Status IOCB entry.
2db6228d
BVA		 2356 * @vha: SCSI driver HA context
2357 * @rsp: response queue
1da177e4
LT		 2358 * @pkt: Entry pointer
2359 */
2360static void
73208dfd 2361qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 2362{
1da177e4 2363 srb_t *sp;
1da177e4
LT		 2364 fc_port_t *fcport;
2365 struct scsi_cmnd *cp;
9a853f71
AV		 2366 sts_entry_t *sts;
2367 struct sts_entry_24xx *sts24;
1da177e4
LT		 2368 uint16_t comp_status;
2369 uint16_t scsi_status;
b7d2280c 2370 uint16_t ox_id;
1da177e4
LT		 2371 uint8_t lscsi_status;
2372 int32_t resid;
5544213b
AV		 2373 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2374 fw_resid_len;
9a853f71 2375 uint8_t *rsp_info, *sense_data;
e315cd28 2376 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 2377 uint32_t handle;
2378 uint16_t que;
2379 struct req_que *req;
b7d2280c 2380 int logit = 1;
9ba56b95 2381 int res = 0;
a9b6f722 2382 uint16_t state_flags = 0;
e05fe292 2383 uint16_t retry_delay = 0;
9a853f71
AV		 2384
2385 sts = (sts_entry_t *) pkt;
2386 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 2387 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 2388 comp_status = le16_to_cpu(sts24->comp_status);
2389 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 2390 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 2391 } else {
2392 comp_status = le16_to_cpu(sts->comp_status);
2393 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2394 }
2afa19a9
AC		 2395 handle = (uint32_t) LSW(sts->handle);
2396 que = MSW(sts->handle);
2397 req = ha->req_q_map[que];
a9083016 2398
36008cf1
CD		 2399 /* Check for invalid queue pointer */
2400 if (req == NULL ||
2401 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2402 ql_dbg(ql_dbg_io, vha, 0x3059,
2403 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2404 "que=%u.\n", sts->handle, req, que);
2405 return;
2406 }
2407
1da177e4 2408 /* Validate handle. */
c7bc4cae 2409 if (handle < req->num_outstanding_cmds) {
2afa19a9 2410 sp = req->outstanding_cmds[handle];
c7bc4cae
CD		 2411 if (!sp) {
2412 ql_dbg(ql_dbg_io, vha, 0x3075,
2413 "%s(%ld): Already returned command for status handle (0x%x).\n",
2414 __func__, vha->host_no, sts->handle);
2415 return;
2416 }
2417 } else {
cfb0919c 2418 ql_dbg(ql_dbg_io, vha, 0x3017,
c7bc4cae
CD		 2419 "Invalid status handle, out of range (0x%x).\n",
2420 sts->handle);
1da177e4 2421
acd3ce88
CD		 2422 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2423 if (IS_P3P_TYPE(ha))
2424 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2425 else
2426 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2427 qla2xxx_wake_dpc(vha);
2428 }
1da177e4
LT		 2429 return;
2430 }
a9b6f722 2431
c5419e26
QT		 2432 if (sp->cmd_type != TYPE_SRB) {
2433 req->outstanding_cmds[handle] = NULL;
2434 ql_dbg(ql_dbg_io, vha, 0x3015,
2435 "Unknown sp->cmd_type %x %p).\n",
2436 sp->cmd_type, sp);
2437 return;
2438 }
2439
7401bc18
DG		 2440 /* NVME completion. */
2441 if (sp->type == SRB_NVME_CMD) {
60dd6e8e
DT		 2442 req->outstanding_cmds[handle] = NULL;
2443 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
7401bc18
DG		 2444 return;
2445 }
2446
a9b6f722
SK		 2447 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2448 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2449 return;
2450 }
2451
faef62d1
AB		 2452 /* Task Management completion. */
2453 if (sp->type == SRB_TM_CMD) {
2454 qla24xx_tm_iocb_entry(vha, req, pkt);
2455 return;
2456 }
2457
a9b6f722
SK		 2458 /* Fast path completion. */
2459 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2460 qla2x00_process_completed_request(vha, req, handle);
2461
2462 return;
2463 }
2464
2465 req->outstanding_cmds[handle] = NULL;
9ba56b95 2466 cp = GET_CMD_SP(sp);
1da177e4 2467 if (cp == NULL) {
cfb0919c 2468 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2469 "Command already returned (0x%x/%p).\n",
2470 sts->handle, sp);
1da177e4
LT		 2471
2472 return;
2473 }
2474
8ae6d9c7 2475 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2476
bdf79621 2477 fcport = sp->fcport;
1da177e4 2478
b7d2280c 2479 ox_id = 0;
5544213b
AV		 2480 sense_len = par_sense_len = rsp_info_len = resid_len =
2481 fw_resid_len = 0;
e428924c 2482 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2483 if (scsi_status & SS_SENSE_LEN_VALID)
2484 sense_len = le32_to_cpu(sts24->sense_len);
2485 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2486 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2487 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2488 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2489 if (comp_status == CS_DATA_UNDERRUN)
2490 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2491 rsp_info = sts24->data;
2492 sense_data = sts24->data;
2493 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2494 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2495 par_sense_len = sizeof(sts24->data);
e05fe292
CD		 2496 /* Valid values of the retry delay timer are 0x1-0xffef */
2497 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2498 retry_delay = sts24->retry_delay;
9a853f71 2499 } else {
0f00a206
LC		 2500 if (scsi_status & SS_SENSE_LEN_VALID)
2501 sense_len = le16_to_cpu(sts->req_sense_length);
2502 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2503 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2504 resid_len = le32_to_cpu(sts->residual_length);
2505 rsp_info = sts->rsp_info;
2506 sense_data = sts->req_sense_data;
5544213b 2507 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2508 }
2509
1da177e4
LT		 2510 /* Check for any FCP transport errors. */
2511 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2512 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2513 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2514 sense_data += rsp_info_len;
5544213b
AV		 2515 par_sense_len -= rsp_info_len;
2516 }
9a853f71 2517 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2518 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2519 "FCP I/O protocol failure (0x%x/0x%x).\n",
2520 rsp_info_len, rsp_info[3]);
1da177e4 2521
9ba56b95 2522 res = DID_BUS_BUSY << 16;
b7d2280c 2523 goto out;
1da177e4
LT		 2524 }
2525 }
2526
3e8ce320
AV		 2527 /* Check for overrun. */
2528 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2529 scsi_status & SS_RESIDUAL_OVER)
2530 comp_status = CS_DATA_OVERRUN;
2531
e05fe292
CD		 2532 /*
2533 * Check retry_delay_timer value if we receive a busy or
2534 * queue full.
2535 */
2536 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2537 lscsi_status == SAM_STAT_BUSY)
2538 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2539
1da177e4
LT		 2540 /*
2541 * Based on Host and scsi status generate status code for Linux
2542 */
2543 switch (comp_status) {
2544 case CS_COMPLETE:
df7baa50 2545 case CS_QUEUE_FULL:
1da177e4 2546 if (scsi_status == 0) {
9ba56b95 2547 res = DID_OK << 16;
1da177e4
LT		 2548 break;
2549 }
2550 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2551 resid = resid_len;
385d70b4 2552 scsi_set_resid(cp, resid);
0da69df1
AV		 2553
2554 if (!lscsi_status &&
385d70b4 2555 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2556 cp->underflow)) {
5e19ed90 2557 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
83548fe2 2558 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
7c3df132 2559 resid, scsi_bufflen(cp));
0da69df1 2560
9ba56b95 2561 res = DID_ERROR << 16;
0da69df1
AV		 2562 break;
2563 }
1da177e4 2564 }
9ba56b95 2565 res = DID_OK << 16 | lscsi_status;
1da177e4 2566
df7baa50 2567 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2568 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2569 "QUEUE FULL detected.\n");
df7baa50
AV		 2570 break;
2571 }
b7d2280c 2572 logit = 0;
1da177e4
LT		 2573 if (lscsi_status != SS_CHECK_CONDITION)
2574 break;
2575
b80ca4f7 2576 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2577 if (!(scsi_status & SS_SENSE_LEN_VALID))
2578 break;
2579
5544213b 2580 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2581 rsp, res);
1da177e4
LT		 2582 break;
2583
2584 case CS_DATA_UNDERRUN:
ed17c71b 2585 /* Use F/W calculated residual length. */
0f00a206
LC		 2586 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2587 scsi_set_resid(cp, resid);
2588 if (scsi_status & SS_RESIDUAL_UNDER) {
2589 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2590 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
83548fe2 2591 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
7c3df132 2592 resid, scsi_bufflen(cp));
0f00a206 2593
9ba56b95 2594 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2595 goto check_scsi_status;
6acf8190 2596 }
ed17c71b 2597
0f00a206
LC		 2598 if (!lscsi_status &&
2599 ((unsigned)(scsi_bufflen(cp) - resid) <
2600 cp->underflow)) {
5e19ed90 2601 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
83548fe2 2602 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
7c3df132 2603 resid, scsi_bufflen(cp));
e038a1be 2604
9ba56b95 2605 res = DID_ERROR << 16;
0f00a206
LC		 2606 break;
2607 }
4aee5766
GM		 2608 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2609 lscsi_status != SAM_STAT_BUSY) {
2610 /*
2611 * scsi status of task set and busy are considered to be
2612 * task not completed.
2613 */
2614
5e19ed90 2615 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
83548fe2
QT		 2616 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2617 resid, scsi_bufflen(cp));
0f00a206 2618
9ba56b95 2619 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2620 goto check_scsi_status;
4aee5766
GM		 2621 } else {
2622 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2623 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2624 scsi_status, lscsi_status);
1da177e4
LT		 2625 }
2626
9ba56b95 2627 res = DID_OK << 16 | lscsi_status;
b7d2280c 2628 logit = 0;
0f00a206 2629
0374f55e 2630check_scsi_status:
1da177e4 2631 /*
fa2a1ce5 2632 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2633 * Status.
2634 */
2635 if (lscsi_status != 0) {
ffec28a3 2636 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2637 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2638 "QUEUE FULL detected.\n");
b7d2280c 2639 logit = 1;
ffec28a3
AV		 2640 break;
2641 }
1da177e4
LT		 2642 if (lscsi_status != SS_CHECK_CONDITION)
2643 break;
2644
b80ca4f7 2645 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2646 if (!(scsi_status & SS_SENSE_LEN_VALID))
2647 break;
2648
5544213b 2649 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2650 sense_len, rsp, res);
1da177e4
LT		 2651 }
2652 break;
2653
1da177e4
LT		 2654 case CS_PORT_LOGGED_OUT:
2655 case CS_PORT_CONFIG_CHG:
2656 case CS_PORT_BUSY:
2657 case CS_INCOMPLETE:
2658 case CS_PORT_UNAVAILABLE:
b7d2280c 2659 case CS_TIMEOUT:
ff454b01
CD		 2660 case CS_RESET:
2661
056a4483
MC		 2662 /*
2663 * We are going to have the fc class block the rport
2664 * while we try to recover so instruct the mid layer
2665 * to requeue until the class decides how to handle this.
2666 */
9ba56b95 2667 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2668
2669 if (comp_status == CS_TIMEOUT) {
2670 if (IS_FWI2_CAPABLE(ha))
2671 break;
2672 else if ((le16_to_cpu(sts->status_flags) &
2673 SF_LOGOUT_SENT) == 0)
2674 break;
2675 }
2676
726b8548
QT		 2677 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2678 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2679 "Port to be marked lost on fcport=%02x%02x%02x, current "
2680 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2681 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2682 port_state_str[atomic_read(&fcport->state)],
2683 comp_status);
2684
e315cd28 2685 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
d8630bb9 2686 qlt_schedule_sess_for_deletion(fcport);
726b8548
QT		 2687 }
2688
1da177e4
LT		 2689 break;
2690
1da177e4 2691 case CS_ABORTED:
9ba56b95 2692 res = DID_RESET << 16;
1da177e4 2693 break;
bad75002
AE		 2694
2695 case CS_DIF_ERROR:
8cb2049c 2696 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2697 res = cp->result;
bad75002 2698 break;
9e522cd8
AE		 2699
2700 case CS_TRANSPORT:
2701 res = DID_ERROR << 16;
2702
2703 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2704 break;
2705
2706 if (state_flags & BIT_4)
2707 scmd_printk(KERN_WARNING, cp,
2708 "Unsupported device '%s' found.\n",
2709 cp->device->vendor);
2710 break;
2711
1da177e4 2712 default:
9ba56b95 2713 res = DID_ERROR << 16;
1da177e4
LT		 2714 break;
2715 }
2716
b7d2280c
AV		 2717out:
2718 if (logit)
5e19ed90 2719 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
9cb78c16 2720 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
7b833558 2721 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
c7bc4cae 2722 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
9ba56b95 2723 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2724 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2725 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2726 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
c7bc4cae 2727 resid_len, fw_resid_len, sp, cp);
b7d2280c 2728
2afa19a9 2729 if (rsp->status_srb == NULL)
25ff6af1 2730 sp->done(sp, res);
1da177e4
LT		 2731}
2732
2733/**
2734 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2db6228d 2735 * @rsp: response queue
1da177e4
LT		 2736 * @pkt: Entry pointer
2737 *
2738 * Extended sense data.
2739 */
2740static void
2afa19a9 2741qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2742{
9ba56b95 2743 uint8_t sense_sz = 0;
2afa19a9 2744 struct qla_hw_data *ha = rsp->hw;
7c3df132 2745 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2746 srb_t *sp = rsp->status_srb;
1da177e4 2747 struct scsi_cmnd *cp;
9ba56b95
GM		 2748 uint32_t sense_len;
2749 uint8_t *sense_ptr;
1da177e4 2750
9ba56b95
GM		 2751 if (!sp || !GET_CMD_SENSE_LEN(sp))
2752 return;
1da177e4 2753
9ba56b95
GM		 2754 sense_len = GET_CMD_SENSE_LEN(sp);
2755 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2756
9ba56b95
GM		 2757 cp = GET_CMD_SP(sp);
2758 if (cp == NULL) {
2759 ql_log(ql_log_warn, vha, 0x3025,
2760 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2761
9ba56b95
GM		 2762 rsp->status_srb = NULL;
2763 return;
1da177e4 2764 }
1da177e4 2765
9ba56b95
GM		 2766 if (sense_len > sizeof(pkt->data))
2767 sense_sz = sizeof(pkt->data);
2768 else
2769 sense_sz = sense_len;
c4631191 2770
9ba56b95
GM		 2771 /* Move sense data. */
2772 if (IS_FWI2_CAPABLE(ha))
2773 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2774 memcpy(sense_ptr, pkt->data, sense_sz);
2775 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2776 sense_ptr, sense_sz);
c4631191 2777
9ba56b95
GM		 2778 sense_len -= sense_sz;
2779 sense_ptr += sense_sz;
c4631191 2780
9ba56b95
GM		 2781 SET_CMD_SENSE_PTR(sp, sense_ptr);
2782 SET_CMD_SENSE_LEN(sp, sense_len);
2783
2784 /* Place command on done queue. */
2785 if (sense_len == 0) {
2786 rsp->status_srb = NULL;
25ff6af1 2787 sp->done(sp, cp->result);
c4631191 2788 }
c4631191
GM		 2789}
2790
1da177e4
LT		 2791/**
2792 * qla2x00_error_entry() - Process an error entry.
2db6228d
BVA		 2793 * @vha: SCSI driver HA context
2794 * @rsp: response queue
1da177e4 2795 * @pkt: Entry pointer
c5419e26 2796 * return : 1=allow further error analysis. 0=no additional error analysis.
1da177e4 2797 */
c5419e26 2798static int
73208dfd 2799qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2800{
2801 srb_t *sp;
e315cd28 2802 struct qla_hw_data *ha = vha->hw;
c4631191 2803 const char func[] = "ERROR-IOCB";
2afa19a9 2804 uint16_t que = MSW(pkt->handle);
a6fe35c0 2805 struct req_que *req = NULL;
9ba56b95 2806 int res = DID_ERROR << 16;
7c3df132 2807
9ba56b95 2808 ql_dbg(ql_dbg_async, vha, 0x502a,
82de802a
QT		 2809 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2810 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
9ba56b95 2811
a6fe35c0
AE		 2812 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2813 goto fatal;
2814
2815 req = ha->req_q_map[que];
2816
9ba56b95
GM		 2817 if (pkt->entry_status & RF_BUSY)
2818 res = DID_BUS_BUSY << 16;
1da177e4 2819
c5419e26
QT		 2820 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2821 return 0;
4f060736 2822
c5419e26
QT		 2823 switch (pkt->entry_type) {
2824 case NOTIFY_ACK_TYPE:
2825 case STATUS_TYPE:
2826 case STATUS_CONT_TYPE:
2827 case LOGINOUT_PORT_IOCB_TYPE:
2828 case CT_IOCB_TYPE:
2829 case ELS_IOCB_TYPE:
2830 case ABORT_IOCB_TYPE:
2831 case MBX_IOCB_TYPE:
2832 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2833 if (sp) {
2834 sp->done(sp, res);
2835 return 0;
2836 }
2837 break;
2838
2839 case ABTS_RESP_24XX:
2840 case CTIO_TYPE7:
2841 case CTIO_CRC2:
2842 default:
2843 return 1;
1da177e4 2844 }
a6fe35c0
AE		 2845fatal:
2846 ql_log(ql_log_warn, vha, 0x5030,
fd49a540 2847 "Error entry - invalid handle/queue (%04x).\n", que);
c5419e26 2848 return 0;
1da177e4
LT		 2849}
2850
9a853f71
AV		 2851/**
2852 * qla24xx_mbx_completion() - Process mailbox command completions.
2db6228d 2853 * @vha: SCSI driver HA context
9a853f71
AV		 2854 * @mb0: Mailbox0 register
2855 */
2856static void
e315cd28 2857qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2858{
2859 uint16_t cnt;
4fa94f83 2860 uint32_t mboxes;
9a853f71 2861 uint16_t __iomem *wptr;
e315cd28 2862 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2863 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2864
4fa94f83 2865 /* Read all mbox registers? */
c02189e1
BVA		 2866 WARN_ON_ONCE(ha->mbx_count > 32);
2867 mboxes = (1ULL << ha->mbx_count) - 1;
4fa94f83 2868 if (!ha->mcp)
a720101d 2869 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2870 else
2871 mboxes = ha->mcp->in_mb;
2872
9a853f71
AV		 2873 /* Load return mailbox registers. */
2874 ha->flags.mbox_int = 1;
2875 ha->mailbox_out[0] = mb0;
4fa94f83 2876 mboxes >>= 1;
9a853f71
AV		 2877 wptr = (uint16_t __iomem *)&reg->mailbox1;
2878
2879 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2880 if (mboxes & BIT_0)
2881 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2882
2883 mboxes >>= 1;
9a853f71
AV		 2884 wptr++;
2885 }
9a853f71
AV		 2886}
2887
4440e46d
AB		 2888static void
2889qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2890 struct abort_entry_24xx *pkt)
2891{
2892 const char func[] = "ABT_IOCB";
2893 srb_t *sp;
2894 struct srb_iocb *abt;
2895
2896 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2897 if (!sp)
2898 return;
2899
2900 abt = &sp->u.iocb_cmd;
15f30a57 2901 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
25ff6af1 2902 sp->done(sp, 0);
4440e46d
AB		 2903}
2904
0f7e51f6 2905void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2906 struct pt_ls4_request *pkt, struct req_que *req)
e84067d7
DG		 2907{
2908 srb_t *sp;
2909 const char func[] = "LS4_IOCB";
2910 uint16_t comp_status;
2911
2912 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2913 if (!sp)
2914 return;
2915
2916 comp_status = le16_to_cpu(pkt->status);
2917 sp->done(sp, comp_status);
2918}
2919
9a853f71
AV		 2920/**
2921 * qla24xx_process_response_queue() - Process response queue entries.
2db6228d
BVA		 2922 * @vha: SCSI driver HA context
2923 * @rsp: response queue
9a853f71 2924 */
2afa19a9
AC		 2925void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2926 struct rsp_que *rsp)
9a853f71 2927{
9a853f71 2928 struct sts_entry_24xx *pkt;
a9083016 2929 struct qla_hw_data *ha = vha->hw;
9a853f71 2930
ec7193e2 2931 if (!ha->flags.fw_started)
9a853f71
AV		 2932 return;
2933
e326d22a
QT		 2934 if (rsp->qpair->cpuid != smp_processor_id())
2935 qla_cpu_update(rsp->qpair, smp_processor_id());
2936
e315cd28
AC		 2937 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2938 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2939
e315cd28
AC		 2940 rsp->ring_index++;
2941 if (rsp->ring_index == rsp->length) {
2942 rsp->ring_index = 0;
2943 rsp->ring_ptr = rsp->ring;
9a853f71 2944 } else {
e315cd28 2945 rsp->ring_ptr++;
9a853f71
AV		 2946 }
2947
2948 if (pkt->entry_status != 0) {
c5419e26 2949 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
f83adb61 2950 goto process_err;
2d70c103 2951
9a853f71
AV		 2952 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2953 wmb();
2954 continue;
2955 }
f83adb61 2956process_err:
9a853f71
AV		 2957
2958 switch (pkt->entry_type) {
2959 case STATUS_TYPE:
73208dfd 2960 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2961 break;
2962 case STATUS_CONT_TYPE:
2afa19a9 2963 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2964 break;
2c3dfe3f 2965 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2966 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2967 (struct vp_rpt_id_entry_24xx *)pkt);
2968 break;
ac280b67
AV		 2969 case LOGINOUT_PORT_IOCB_TYPE:
2970 qla24xx_logio_entry(vha, rsp->req,
2971 (struct logio_entry_24xx *)pkt);
2972 break;
f83adb61 2973 case CT_IOCB_TYPE:
9a069e19 2974 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2975 break;
f83adb61 2976 case ELS_IOCB_TYPE:
9a069e19
GM		 2977 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2978 break;
2d70c103 2979 case ABTS_RECV_24XX:
2f424b9b
QT		 2980 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2981 /* ensure that the ATIO queue is empty */
82de802a
QT		 2982 qlt_handle_abts_recv(vha, rsp,
2983 (response_t *)pkt);
2f424b9b
QT		 2984 break;
2985 } else {
2f424b9b
QT		 2986 qlt_24xx_process_atio_queue(vha, 1);
2987 }
81881861 2988 /* fall through */
2d70c103
NB		 2989 case ABTS_RESP_24XX:
2990 case CTIO_TYPE7:
f83adb61 2991 case CTIO_CRC2:
82de802a 2992 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
2d70c103 2993 break;
e84067d7
DG		 2994 case PT_LS4_REQUEST:
2995 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
2996 rsp->req);
2997 break;
726b8548
QT		 2998 case NOTIFY_ACK_TYPE:
2999 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
82de802a
QT		 3000 qlt_response_pkt_all_vps(vha, rsp,
3001 (response_t *)pkt);
726b8548
QT		 3002 else
3003 qla24xxx_nack_iocb_entry(vha, rsp->req,
3004 (struct nack_to_isp *)pkt);
3005 break;
54883291
SK		 3006 case MARKER_TYPE:
3007 /* Do nothing in this case, this check is to prevent it
3008 * from falling into default case
3009 */
3010 break;
4440e46d
AB		 3011 case ABORT_IOCB_TYPE:
3012 qla24xx_abort_iocb_entry(vha, rsp->req,
3013 (struct abort_entry_24xx *)pkt);
3014 break;
726b8548
QT		 3015 case MBX_IOCB_TYPE:
3016 qla24xx_mbx_iocb_entry(vha, rsp->req,
3017 (struct mbx_24xx_entry *)pkt);
3018 break;
2853192e
QT		 3019 case VP_CTRL_IOCB_TYPE:
3020 qla_ctrlvp_completed(vha, rsp->req,
3021 (struct vp_ctrl_entry_24xx *)pkt);
3022 break;
9a853f71
AV		 3023 default:
3024 /* Type Not Supported. */
7c3df132
SK		 3025 ql_dbg(ql_dbg_async, vha, 0x5042,
3026 "Received unknown response pkt type %x "
9a853f71 3027 "entry status=%x.\n",
7c3df132 3028 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 3029 break;
3030 }
3031 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3032 wmb();
3033 }
3034
3035 /* Adjust ring index */
7ec0effd 3036 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 3037 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3038 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
726b8548 3039 } else {
a9083016 3040 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
726b8548 3041 }
9a853f71
AV		 3042}
3043
05236a05 3044static void
e315cd28 3045qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 3046{
3047 int rval;
3048 uint32_t cnt;
e315cd28 3049 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 3050 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3051
f73cb695
CD		 3052 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3053 !IS_QLA27XX(ha))
05236a05
AV		 3054 return;
3055
3056 rval = QLA_SUCCESS;
3057 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
3058 RD_REG_DWORD(&reg->iobase_addr);
3059 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3060 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3061 rval == QLA_SUCCESS; cnt--) {
3062 if (cnt) {
3063 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3064 udelay(10);
3065 } else
3066 rval = QLA_FUNCTION_TIMEOUT;
3067 }
3068 if (rval == QLA_SUCCESS)
3069 goto next_test;
3070
b2ec76c5 3071 rval = QLA_SUCCESS;
05236a05
AV		 3072 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3073 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3074 rval == QLA_SUCCESS; cnt--) {
3075 if (cnt) {
3076 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3077 udelay(10);
3078 } else
3079 rval = QLA_FUNCTION_TIMEOUT;
3080 }
3081 if (rval != QLA_SUCCESS)
3082 goto done;
3083
3084next_test:
3085 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 3086 ql_log(ql_log_info, vha, 0x504c,
3087 "Additional code -- 0x55AA.\n");
05236a05
AV		 3088
3089done:
3090 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3091 RD_REG_DWORD(&reg->iobase_window);
3092}
3093
9a853f71 3094/**
6246b8a1 3095 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 3096 * @irq:
3097 * @dev_id: SCSI driver HA context
9a853f71
AV		 3098 *
3099 * Called by system whenever the host adapter generates an interrupt.
3100 *
3101 * Returns handled flag.
3102 */
3103irqreturn_t
7d12e780 3104qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 3105{
e315cd28
AC		 3106 scsi_qla_host_t *vha;
3107 struct qla_hw_data *ha;
9a853f71
AV		 3108 struct device_reg_24xx __iomem *reg;
3109 int status;
9a853f71
AV		 3110 unsigned long iter;
3111 uint32_t stat;
3112 uint32_t hccr;
7d613ac6 3113 uint16_t mb[8];
e315cd28 3114 struct rsp_que *rsp;
43fac4d9 3115 unsigned long flags;
9a853f71 3116
e315cd28
AC		 3117 rsp = (struct rsp_que *) dev_id;
3118 if (!rsp) {
3256b435
CD		 3119 ql_log(ql_log_info, NULL, 0x5059,
3120 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 3121 return IRQ_NONE;
3122 }
3123
e315cd28 3124 ha = rsp->hw;
9a853f71
AV		 3125 reg = &ha->iobase->isp24;
3126 status = 0;
3127
85880801
AV		 3128 if (unlikely(pci_channel_offline(ha->pdev)))
3129 return IRQ_HANDLED;
3130
43fac4d9 3131 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 3132 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 3133 for (iter = 50; iter--; ) {
3134 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 3135 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 3136 break;
9a853f71 3137 if (stat & HSRX_RISC_PAUSED) {
85880801 3138 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 3139 break;
3140
9a853f71
AV		 3141 hccr = RD_REG_DWORD(&reg->hccr);
3142
7c3df132
SK		 3143 ql_log(ql_log_warn, vha, 0x504b,
3144 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3145 hccr);
05236a05 3146
e315cd28 3147 qla2xxx_check_risc_status(vha);
05236a05 3148
e315cd28
AC		 3149 ha->isp_ops->fw_dump(vha, 1);
3150 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 3151 break;
3152 } else if ((stat & HSRX_RISC_INT) == 0)
3153 break;
3154
3155 switch (stat & 0xff) {
fafbda9f
AE		 3156 case INTR_ROM_MB_SUCCESS:
3157 case INTR_ROM_MB_FAILED:
3158 case INTR_MB_SUCCESS:
3159 case INTR_MB_FAILED:
e315cd28 3160 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 3161 status |= MBX_INTERRUPT;
3162
3163 break;
fafbda9f 3164 case INTR_ASYNC_EVENT:
9a853f71
AV		 3165 mb[0] = MSW(stat);
3166 mb[1] = RD_REG_WORD(&reg->mailbox1);
3167 mb[2] = RD_REG_WORD(&reg->mailbox2);
3168 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 3169 qla2x00_async_event(vha, rsp, mb);
9a853f71 3170 break;
fafbda9f
AE		 3171 case INTR_RSP_QUE_UPDATE:
3172 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 3173 qla24xx_process_response_queue(vha, rsp);
9a853f71 3174 break;
c9558869 3175 case INTR_ATIO_QUE_UPDATE_27XX:
2f424b9b
QT		 3176 case INTR_ATIO_QUE_UPDATE:{
3177 unsigned long flags2;
3178 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3179 qlt_24xx_process_atio_queue(vha, 1);
3180 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 3181 break;
2f424b9b
QT		 3182 }
3183 case INTR_ATIO_RSP_QUE_UPDATE: {
3184 unsigned long flags2;
3185 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3186 qlt_24xx_process_atio_queue(vha, 1);
3187 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3188
2d70c103
NB		 3189 qla24xx_process_response_queue(vha, rsp);
3190 break;
2f424b9b 3191 }
9a853f71 3192 default:
7c3df132
SK		 3193 ql_dbg(ql_dbg_async, vha, 0x504f,
3194 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 3195 break;
3196 }
3197 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3198 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 3199 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3200 ndelay(3500);
9a853f71 3201 }
36439832 3202 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 3203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 3204
9a853f71
AV		 3205 return IRQ_HANDLED;
3206}
3207
a8488abe
AV		 3208static irqreturn_t
3209qla24xx_msix_rsp_q(int irq, void *dev_id)
3210{
e315cd28
AC		 3211 struct qla_hw_data *ha;
3212 struct rsp_que *rsp;
a8488abe 3213 struct device_reg_24xx __iomem *reg;
2afa19a9 3214 struct scsi_qla_host *vha;
0f19bc68 3215 unsigned long flags;
a8488abe 3216
e315cd28
AC		 3217 rsp = (struct rsp_que *) dev_id;
3218 if (!rsp) {
3256b435
CD		 3219 ql_log(ql_log_info, NULL, 0x505a,
3220 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 3221 return IRQ_NONE;
3222 }
3223 ha = rsp->hw;
a8488abe
AV		 3224 reg = &ha->iobase->isp24;
3225
0f19bc68 3226 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 3227
a67093d4 3228 vha = pci_get_drvdata(ha->pdev);
2afa19a9 3229 qla24xx_process_response_queue(vha, rsp);
3155754a 3230 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 3231 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3232 RD_REG_DWORD_RELAXED(&reg->hccr);
3233 }
0f19bc68 3234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 3235
3236 return IRQ_HANDLED;
3237}
3238
3239static irqreturn_t
3240qla24xx_msix_default(int irq, void *dev_id)
3241{
e315cd28
AC		 3242 scsi_qla_host_t *vha;
3243 struct qla_hw_data *ha;
3244 struct rsp_que *rsp;
a8488abe
AV		 3245 struct device_reg_24xx __iomem *reg;
3246 int status;
a8488abe
AV		 3247 uint32_t stat;
3248 uint32_t hccr;
7d613ac6 3249 uint16_t mb[8];
0f19bc68 3250 unsigned long flags;
a8488abe 3251
e315cd28
AC		 3252 rsp = (struct rsp_que *) dev_id;
3253 if (!rsp) {
3256b435
CD		 3254 ql_log(ql_log_info, NULL, 0x505c,
3255 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 3256 return IRQ_NONE;
3257 }
3258 ha = rsp->hw;
a8488abe
AV		 3259 reg = &ha->iobase->isp24;
3260 status = 0;
3261
0f19bc68 3262 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 3263 vha = pci_get_drvdata(ha->pdev);
87f27015 3264 do {
a8488abe 3265 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 3266 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 3267 break;
a8488abe 3268 if (stat & HSRX_RISC_PAUSED) {
85880801 3269 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 3270 break;
3271
a8488abe
AV		 3272 hccr = RD_REG_DWORD(&reg->hccr);
3273
7c3df132
SK		 3274 ql_log(ql_log_info, vha, 0x5050,
3275 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3276 hccr);
05236a05 3277
e315cd28 3278 qla2xxx_check_risc_status(vha);
05236a05 3279
e315cd28
AC		 3280 ha->isp_ops->fw_dump(vha, 1);
3281 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 3282 break;
3283 } else if ((stat & HSRX_RISC_INT) == 0)
3284 break;
3285
3286 switch (stat & 0xff) {
fafbda9f
AE		 3287 case INTR_ROM_MB_SUCCESS:
3288 case INTR_ROM_MB_FAILED:
3289 case INTR_MB_SUCCESS:
3290 case INTR_MB_FAILED:
e315cd28 3291 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 3292 status |= MBX_INTERRUPT;
3293
3294 break;
fafbda9f 3295 case INTR_ASYNC_EVENT:
a8488abe
AV		 3296 mb[0] = MSW(stat);
3297 mb[1] = RD_REG_WORD(&reg->mailbox1);
3298 mb[2] = RD_REG_WORD(&reg->mailbox2);
3299 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 3300 qla2x00_async_event(vha, rsp, mb);
a8488abe 3301 break;
fafbda9f
AE		 3302 case INTR_RSP_QUE_UPDATE:
3303 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 3304 qla24xx_process_response_queue(vha, rsp);
a8488abe 3305 break;
c9558869 3306 case INTR_ATIO_QUE_UPDATE_27XX:
2f424b9b
QT		 3307 case INTR_ATIO_QUE_UPDATE:{
3308 unsigned long flags2;
3309 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3310 qlt_24xx_process_atio_queue(vha, 1);
3311 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 3312 break;
2f424b9b
QT		 3313 }
3314 case INTR_ATIO_RSP_QUE_UPDATE: {
3315 unsigned long flags2;
3316 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3317 qlt_24xx_process_atio_queue(vha, 1);
3318 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3319
2d70c103
NB		 3320 qla24xx_process_response_queue(vha, rsp);
3321 break;
2f424b9b 3322 }
a8488abe 3323 default:
7c3df132
SK		 3324 ql_dbg(ql_dbg_async, vha, 0x5051,
3325 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 3326 break;
3327 }
3328 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 3329 } while (0);
36439832 3330 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 3331 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 3332
a8488abe
AV		 3333 return IRQ_HANDLED;
3334}
3335
d7459527
MH		 3336irqreturn_t
3337qla2xxx_msix_rsp_q(int irq, void *dev_id)
3338{
3339 struct qla_hw_data *ha;
3340 struct qla_qpair *qpair;
3341 struct device_reg_24xx __iomem *reg;
3342 unsigned long flags;
3343
3344 qpair = dev_id;
3345 if (!qpair) {
3346 ql_log(ql_log_info, NULL, 0x505b,
3347 "%s: NULL response queue pointer.\n", __func__);
3348 return IRQ_NONE;
3349 }
3350 ha = qpair->hw;
3351
3352 /* Clear the interrupt, if enabled, for this response queue */
3353 if (unlikely(!ha->flags.disable_msix_handshake)) {
3354 reg = &ha->iobase->isp24;
3355 spin_lock_irqsave(&ha->hardware_lock, flags);
3356 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3357 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3358 }
3359
3360 queue_work(ha->wq, &qpair->q_work);
3361
3362 return IRQ_HANDLED;
3363}
3364
a8488abe
AV		 3365/* Interrupt handling helpers. */
3366
3367struct qla_init_msix_entry {
a8488abe 3368 const char *name;
476834c2 3369 irq_handler_t handler;
a8488abe
AV		 3370};
3371
44a8f954 3372static const struct qla_init_msix_entry msix_entries[] = {
e326d22a
QT		 3373 { "default", qla24xx_msix_default },
3374 { "rsp_q", qla24xx_msix_rsp_q },
3375 { "atio_q", qla83xx_msix_atio_q },
3376 { "qpair_multiq", qla2xxx_msix_rsp_q },
a8488abe
AV		 3377};
3378
44a8f954 3379static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
a9083016
GM		 3380 { "qla2xxx (default)", qla82xx_msix_default },
3381 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3382};
3383
a8488abe 3384static int
73208dfd 3385qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 3386{
3387 int i, ret;
a8488abe 3388 struct qla_msix_entry *qentry;
7c3df132 3389 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
67f2db87 3390 int min_vecs = QLA_BASE_VECTORS;
17e5fc58
CH		 3391 struct irq_affinity desc = {
3392 .pre_vectors = QLA_BASE_VECTORS,
3393 };
3394
c9558869
HM		 3395 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3396 IS_ATIO_MSIX_CAPABLE(ha)) {
17e5fc58 3397 desc.pre_vectors++;
67f2db87
MH		 3398 min_vecs++;
3399 }
17e5fc58 3400
09620eeb
QT		 3401 if (USER_CTRL_IRQ(ha)) {
3402 /* user wants to control IRQ setting for target mode */
3403 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3404 ha->msix_count, PCI_IRQ_MSIX);
3405 } else
3406 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3407 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3408 &desc);
73208dfd 3409
84e32a06
AG		 3410 if (ret < 0) {
3411 ql_log(ql_log_fatal, vha, 0x00c7,
3412 "MSI-X: Failed to enable support, "
3413 "giving up -- %d/%d.\n",
3414 ha->msix_count, ret);
3415 goto msix_out;
3416 } else if (ret < ha->msix_count) {
7c3df132
SK		 3417 ql_log(ql_log_warn, vha, 0x00c6,
3418 "MSI-X: Failed to enable support "
d7459527
MH		 3419 "with %d vectors, using %d vectors.\n",
3420 ha->msix_count, ret);
cb43285f 3421 ha->msix_count = ret;
d7459527 3422 /* Recalculate queue values */
c38d1baf 3423 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
d7459527
MH		 3424 ha->max_req_queues = ha->msix_count - 1;
3425
3426 /* ATIOQ needs 1 vector. That's 1 less QPair */
3427 if (QLA_TGT_MODE_ENABLED())
3428 ha->max_req_queues--;
3429
3430 ha->max_rsp_queues = ha->max_req_queues;
3431
3432 ha->max_qpairs = ha->max_req_queues - 1;
3433 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3434 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3435 }
73208dfd
AC		 3436 }
3437 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3438 ha->msix_count, GFP_KERNEL);
3439 if (!ha->msix_entries) {
7c3df132
SK		 3440 ql_log(ql_log_fatal, vha, 0x00c8,
3441 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 3442 ret = -ENOMEM;
a8488abe
AV		 3443 goto msix_out;
3444 }
3445 ha->flags.msix_enabled = 1;
3446
73208dfd
AC		 3447 for (i = 0; i < ha->msix_count; i++) {
3448 qentry = &ha->msix_entries[i];
4fa18345
MH		 3449 qentry->vector = pci_irq_vector(ha->pdev, i);
3450 qentry->entry = i;
a8488abe 3451 qentry->have_irq = 0;
d7459527 3452 qentry->in_use = 0;
4fa18345 3453 qentry->handle = NULL;
a8488abe
AV		 3454 }
3455
2afa19a9 3456 /* Enable MSI-X vectors for the base queue */
17e5fc58 3457 for (i = 0; i < QLA_BASE_VECTORS; i++) {
2afa19a9 3458 qentry = &ha->msix_entries[i];
4fa18345 3459 qentry->handle = rsp;
ef8d1d51 3460 rsp->msix = qentry;
d7459527 3461 scnprintf(qentry->name, sizeof(qentry->name),
e326d22a 3462 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
f324777e 3463 if (IS_P3P_TYPE(ha))
a9083016
GM		 3464 ret = request_irq(qentry->vector,
3465 qla82xx_msix_entries[i].handler,
3466 0, qla82xx_msix_entries[i].name, rsp);
f324777e 3467 else
a9083016
GM		 3468 ret = request_irq(qentry->vector,
3469 msix_entries[i].handler,
e326d22a 3470 0, qentry->name, rsp);
f324777e
CD		 3471 if (ret)
3472 goto msix_register_fail;
3473 qentry->have_irq = 1;
093df737 3474 qentry->in_use = 1;
f324777e
CD		 3475 }
3476
3477 /*
3478 * If target mode is enable, also request the vector for the ATIO
3479 * queue.
3480 */
c9558869
HM		 3481 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3482 IS_ATIO_MSIX_CAPABLE(ha)) {
093df737 3483 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
ef8d1d51 3484 rsp->msix = qentry;
d7459527
MH		 3485 qentry->handle = rsp;
3486 scnprintf(qentry->name, sizeof(qentry->name),
e326d22a
QT		 3487 "qla2xxx%lu_%s", vha->host_no,
3488 msix_entries[QLA_ATIO_VECTOR].name);
093df737 3489 qentry->in_use = 1;
f324777e 3490 ret = request_irq(qentry->vector,
093df737 3491 msix_entries[QLA_ATIO_VECTOR].handler,
e326d22a 3492 0, qentry->name, rsp);
2afa19a9 3493 qentry->have_irq = 1;
73208dfd 3494 }
73208dfd 3495
f324777e
CD		 3496msix_register_fail:
3497 if (ret) {
3498 ql_log(ql_log_fatal, vha, 0x00cb,
3499 "MSI-X: unable to register handler -- %x/%d.\n",
3500 qentry->vector, ret);
4fa18345 3501 qla2x00_free_irqs(vha);
f324777e
CD		 3502 ha->mqenable = 0;
3503 goto msix_out;
3504 }
3505
73208dfd 3506 /* Enable MSI-X vector for response queue update for queue 0 */
b7edfa23 3507 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1 3508 if (ha->msixbase && ha->mqiobase &&
d7459527
MH		 3509 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3510 ql2xmqsupport))
6246b8a1
GM		 3511 ha->mqenable = 1;
3512 } else
d7459527
MH		 3513 if (ha->mqiobase &&
3514 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3515 ql2xmqsupport))
6246b8a1 3516 ha->mqenable = 1;
7c3df132
SK		 3517 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3518 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3519 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3520 ql_dbg(ql_dbg_init, vha, 0x0055,
3521 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3522 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3523
a8488abe
AV		 3524msix_out:
3525 return ret;
3526}
3527
3528int
73208dfd 3529qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3530{
7fa3e239 3531 int ret = QLA_FUNCTION_FAILED;
f73cb695 3532 device_reg_t *reg = ha->iobase;
7c3df132 3533 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3534
3535 /* If possible, enable MSI-X. */
e7240af5
HM		 3536 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3537 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3538 !IS_QLAFX00(ha) && !IS_QLA27XX(ha)))
6377a7ae
BH		 3539 goto skip_msi;
3540
e7240af5
HM		 3541 if (ql2xenablemsix == 2)
3542 goto skip_msix;
3543
6377a7ae
BH		 3544 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3545 (ha->pdev->subsystem_device == 0x7040 ||
3546 ha->pdev->subsystem_device == 0x7041 ||
3547 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3548 ql_log(ql_log_warn, vha, 0x0034,
3549 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3550 ha->pdev->subsystem_vendor,
7c3df132 3551 ha->pdev->subsystem_device);
6377a7ae
BH		 3552 goto skip_msi;
3553 }
a8488abe 3554
42cd4f5d 3555 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3556 ql_log(ql_log_warn, vha, 0x0035,
3557 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3558 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3559 goto skip_msix;
3560 }
3561
73208dfd 3562 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3563 if (!ret) {
7c3df132
SK		 3564 ql_dbg(ql_dbg_init, vha, 0x0036,
3565 "MSI-X: Enabled (0x%X, 0x%X).\n",
3566 ha->chip_revision, ha->fw_attributes);
963b0fdd 3567 goto clear_risc_ints;
a8488abe 3568 }
7fa3e239 3569
a8488abe 3570skip_msix:
cbedb601 3571
7fa3e239
SC		 3572 ql_log(ql_log_info, vha, 0x0037,
3573 "Falling back-to MSI mode -%d.\n", ret);
3574
3a03eb79 3575 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3576 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3577 !IS_QLA27XX(ha))
cbedb601
AV		 3578 goto skip_msi;
3579
4fa18345 3580 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
cbedb601 3581 if (!ret) {
7c3df132
SK		 3582 ql_dbg(ql_dbg_init, vha, 0x0038,
3583 "MSI: Enabled.\n");
cbedb601 3584 ha->flags.msi_enabled = 1;
a9083016 3585 } else
7c3df132 3586 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3587 "Falling back-to INTa mode -- %d.\n", ret);
3588skip_msi:
a033b655
GM		 3589
3590 /* Skip INTx on ISP82xx. */
3591 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3592 return QLA_FUNCTION_FAILED;
3593
fd34f556 3594 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3595 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3596 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3597 if (ret) {
7c3df132 3598 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3599 "Failed to reserve interrupt %d already in use.\n",
3600 ha->pdev->irq);
963b0fdd 3601 goto fail;
8ae6d9c7 3602 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3603 ql_dbg(ql_dbg_init, vha, 0x0125,
3604 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3605 ha->flags.mr_intr_valid = 1;
3606 }
7992abfc 3607
963b0fdd 3608clear_risc_ints:
4bb2efc4
JC		 3609 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3610 goto fail;
963b0fdd 3611
c6952483 3612 spin_lock_irq(&ha->hardware_lock);
4bb2efc4 3613 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3614 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3615
963b0fdd 3616fail:
a8488abe
AV		 3617 return ret;
3618}
3619
3620void
e315cd28 3621qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3622{
e315cd28 3623 struct qla_hw_data *ha = vha->hw;
9a347ff4 3624 struct rsp_que *rsp;
4fa18345
MH		 3625 struct qla_msix_entry *qentry;
3626 int i;
9a347ff4
CD		 3627
3628 /*
3629 * We need to check that ha->rsp_q_map is valid in case we are called
3630 * from a probe failure context.
3631 */
3632 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
27873de9 3633 goto free_irqs;
9a347ff4 3634 rsp = ha->rsp_q_map[0];
a8488abe 3635
4fa18345
MH		 3636 if (ha->flags.msix_enabled) {
3637 for (i = 0; i < ha->msix_count; i++) {
3638 qentry = &ha->msix_entries[i];
3639 if (qentry->have_irq) {
3640 irq_set_affinity_notifier(qentry->vector, NULL);
3641 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3642 }
3643 }
3644 kfree(ha->msix_entries);
3645 ha->msix_entries = NULL;
3646 ha->flags.msix_enabled = 0;
3647 ql_dbg(ql_dbg_init, vha, 0x0042,
3648 "Disabled MSI-X.\n");
3649 } else {
3650 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3651 }
e315cd28 3652
27873de9 3653free_irqs:
4fa18345 3654 pci_free_irq_vectors(ha->pdev);
a8488abe 3655}
73208dfd 3656
d7459527
MH		 3657int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3658 struct qla_msix_entry *msix, int vector_type)
73208dfd 3659{
44a8f954 3660 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
7c3df132 3661 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3662 int ret;
3663
d7459527
MH		 3664 scnprintf(msix->name, sizeof(msix->name),
3665 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3666 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
73208dfd 3667 if (ret) {
7c3df132
SK		 3668 ql_log(ql_log_fatal, vha, 0x00e6,
3669 "MSI-X: Unable to register handler -- %x/%d.\n",
3670 msix->vector, ret);
73208dfd
AC		 3671 return ret;
3672 }
3673 msix->have_irq = 1;
d7459527 3674 msix->handle = qpair;
73208dfd
AC		 3675 return ret;
3676}
Linux 6.x block layer and io_uring tree(s)