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[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / qla2xxx / qla_isr.c
CommitLineData
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>
09ce66ae 12#include <linux/t10-pi.h>
df7baa50 13#include <scsi/scsi_tcq.h>
9a069e19 14#include <scsi/scsi_bsg_fc.h>
bad75002 15#include <scsi/scsi_eh.h>
df7baa50 16
1da177e4 17static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 18static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 19static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 20static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
21 sts_entry_t *);
9a853f71 22
1da177e4
LT		 23/**
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @irq:
26 * @dev_id: SCSI driver HA context
1da177e4
LT		 27 *
28 * Called by system whenever the host adapter generates an interrupt.
29 *
30 * Returns handled flag.
31 */
32irqreturn_t
7d12e780 33qla2100_intr_handler(int irq, void *dev_id)
1da177e4 34{
e315cd28
AC		 35 scsi_qla_host_t *vha;
36 struct qla_hw_data *ha;
3d71644c 37 struct device_reg_2xxx __iomem *reg;
1da177e4 38 int status;
1da177e4 39 unsigned long iter;
14e660e6 40 uint16_t hccr;
9a853f71 41 uint16_t mb[4];
e315cd28 42 struct rsp_que *rsp;
43fac4d9 43 unsigned long flags;
1da177e4 44
e315cd28
AC		 45 rsp = (struct rsp_que *) dev_id;
46 if (!rsp) {
3256b435
CD		 47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 49 return (IRQ_NONE);
50 }
51
e315cd28 52 ha = rsp->hw;
3d71644c 53 reg = &ha->iobase->isp;
1da177e4
LT		 54 status = 0;
55
43fac4d9 56 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 57 vha = pci_get_drvdata(ha->pdev);
1da177e4 58 for (iter = 50; iter--; ) {
14e660e6 59 hccr = RD_REG_WORD(&reg->hccr);
c821e0d5 60 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
f3ddac19 61 break;
14e660e6
SJ		 62 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
64 break;
65
66 /*
67 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 68 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 69 * out of the RISC PAUSED state.
70 */
71 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(&reg->hccr);
73
e315cd28
AC		 74 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 76 break;
77 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 78 break;
79
80 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
81 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(&reg->hccr);
83
84 /* Get mailbox data. */
9a853f71
AV		 85 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 87 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 88 status |= MBX_INTERRUPT;
9a853f71
AV		 89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 93 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 94 } else {
95 /*EMPTY*/
7c3df132
SK		 96 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
98 mb[0]);
1da177e4
LT		 99 }
100 /* Release mailbox registers. */
101 WRT_REG_WORD(&reg->semaphore, 0);
102 RD_REG_WORD(&reg->semaphore);
103 } else {
73208dfd 104 qla2x00_process_response_queue(rsp);
1da177e4
LT		 105
106 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(&reg->hccr);
108 }
109 }
36439832 110 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 112
1da177e4
LT		 113 return (IRQ_HANDLED);
114}
115
f3ddac19 116bool
c821e0d5 117qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
f3ddac19
CD		 118{
119 /* Check for PCI disconnection */
a30c2a3b 120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
beb9e315 121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
6b383979
JL		 122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
232792b6
JL		 124 /*
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
128 */
129 schedule_work(&vha->hw->board_disable);
130 }
f3ddac19
CD		 131 return true;
132 } else
133 return false;
134}
135
c821e0d5
JL		 136bool
137qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
138{
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
140}
141
1da177e4
LT		 142/**
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
144 * @irq:
145 * @dev_id: SCSI driver HA context
1da177e4
LT		 146 *
147 * Called by system whenever the host adapter generates an interrupt.
148 *
149 * Returns handled flag.
150 */
151irqreturn_t
7d12e780 152qla2300_intr_handler(int irq, void *dev_id)
1da177e4 153{
e315cd28 154 scsi_qla_host_t *vha;
3d71644c 155 struct device_reg_2xxx __iomem *reg;
1da177e4 156 int status;
1da177e4
LT		 157 unsigned long iter;
158 uint32_t stat;
1da177e4 159 uint16_t hccr;
9a853f71 160 uint16_t mb[4];
e315cd28
AC		 161 struct rsp_que *rsp;
162 struct qla_hw_data *ha;
43fac4d9 163 unsigned long flags;
1da177e4 164
e315cd28
AC		 165 rsp = (struct rsp_que *) dev_id;
166 if (!rsp) {
3256b435
CD		 167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 169 return (IRQ_NONE);
170 }
171
e315cd28 172 ha = rsp->hw;
3d71644c 173 reg = &ha->iobase->isp;
1da177e4
LT		 174 status = 0;
175
43fac4d9 176 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 177 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
c821e0d5 180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 181 break;
1da177e4 182 if (stat & HSR_RISC_PAUSED) {
85880801 183 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 184 break;
185
1da177e4 186 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 187
1da177e4 188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
1da177e4 192 else
7c3df132
SK		 193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
1da177e4
LT		 196
197 /*
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
a06a0f8e 200 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 201 */
202 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(&reg->hccr);
07f31805 204
e315cd28
AC		 205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 207 break;
208 } else if ((stat & HSR_RISC_INT) == 0)
209 break;
210
1da177e4 211 switch (stat & 0xff) {
1da177e4
LT		 212 case 0x1:
213 case 0x2:
214 case 0x10:
215 case 0x11:
e315cd28 216 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 217 status |= MBX_INTERRUPT;
218
219 /* Release mailbox registers. */
220 WRT_REG_WORD(&reg->semaphore, 0);
221 break;
222 case 0x12:
9a853f71
AV		 223 mb[0] = MSW(stat);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 227 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 228 break;
229 case 0x13:
73208dfd 230 qla2x00_process_response_queue(rsp);
1da177e4
LT		 231 break;
232 case 0x15:
9a853f71
AV		 233 mb[0] = MBA_CMPLT_1_16BIT;
234 mb[1] = MSW(stat);
73208dfd 235 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 236 break;
237 case 0x16:
9a853f71
AV		 238 mb[0] = MBA_SCSI_COMPLETION;
239 mb[1] = MSW(stat);
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 241 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 242 break;
243 default:
7c3df132
SK		 244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 246 break;
247 }
248 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(&reg->hccr);
250 }
36439832 251 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 253
1da177e4
LT		 254 return (IRQ_HANDLED);
255}
256
257/**
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
261 */
262static void
e315cd28 263qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 264{
265 uint16_t cnt;
4fa94f83 266 uint32_t mboxes;
1da177e4 267 uint16_t __iomem *wptr;
e315cd28 268 struct qla_hw_data *ha = vha->hw;
3d71644c 269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 270
4fa94f83
AV		 271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
273 if (!ha->mcp)
a720101d 274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 275 else
276 mboxes = ha->mcp->in_mb;
277
1da177e4
LT		 278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
4fa94f83 281 mboxes >>= 1;
1da177e4
LT		 282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
283
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 285 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 289 else if (mboxes & BIT_0)
1da177e4 290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 291
1da177e4 292 wptr++;
4fa94f83 293 mboxes >>= 1;
1da177e4 294 }
1da177e4
LT		 295}
296
8a659571
AV		 297static void
298qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
299{
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
302 int rval;
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
307
308 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)&reg24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
313 else
314 return;
315
8a659571
AV		 316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
318
7c3df132 319 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 320 "Inter-Driver Communication %s -- "
7c3df132
SK		 321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
454073c9
SV		 324 switch (aen) {
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
327 if (mb[1] >> 15) {
328 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 330 complete(&vha->hw->dcbx_comp);
331 }
332 break;
333
334 case MBA_IDC_NOTIFY:
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
340
341 if (!timeout)
342 return;
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
347 break;
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
354 break;
bf5b8ad7 355 }
8a659571
AV		 356}
357
daae62a3 358#define LS_UNKNOWN 2
d0297c9a
JC		 359const char *
360qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 361{
f73cb695
CD		 362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 364 };
f73cb695 365#define QLA_LAST_SPEED 7
daae62a3
CD		 366
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 368 return link_speeds[0];
369 else if (speed == 0x13)
f73cb695
CD		 370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 372 return link_speeds[speed];
373 else
374 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 375}
376
fa492630 377static void
7d613ac6
SV		 378qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
379{
380 struct qla_hw_data *ha = vha->hw;
381
382 /*
383 * 8200 AEN Interpretation:
384 * mb[0] = AEN code
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
392 */
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
399
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
405
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
408
409 /*
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
421 */
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
435 "iteself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 533 if (ha->flags.nic_core_reset_owner)
534 return;
7d613ac6
SV		 535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537}
538
bb4cf5b7
CD		 539int
540qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541{
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562}
563
726b8548 564fc_port_t *
17cac3a1
JC		 565qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566{
726b8548
QT		 567 fc_port_t *f, *tf;
568
569 f = tf = NULL;
570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
571 if (f->loop_id == loop_id)
572 return f;
573 return NULL;
574}
17cac3a1 575
726b8548
QT		 576fc_port_t *
577qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
578{
579 fc_port_t *f, *tf;
580
581 f = tf = NULL;
582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
584 if (incl_deleted)
585 return f;
586 else if (f->deleted == 0)
587 return f;
588 }
589 }
590 return NULL;
591}
17cac3a1 592
726b8548
QT		 593fc_port_t *
594qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
595 u8 incl_deleted)
596{
597 fc_port_t *f, *tf;
598
599 f = tf = NULL;
600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
601 if (f->d_id.b24 == id->b24) {
602 if (incl_deleted)
603 return f;
604 else if (f->deleted == 0)
605 return f;
606 }
607 }
17cac3a1
JC		 608 return NULL;
609}
610
1da177e4
LT		 611/**
612 * qla2x00_async_event() - Process aynchronous events.
613 * @ha: SCSI driver HA context
9a853f71 614 * @mb: Mailbox registers (0 - 3)
1da177e4 615 */
2c3dfe3f 616void
73208dfd 617qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 618{
1da177e4 619 uint16_t handle_cnt;
bdab23da 620 uint16_t cnt, mbx;
1da177e4 621 uint32_t handles[5];
e315cd28 622 struct qla_hw_data *ha = vha->hw;
3d71644c 623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
52c82823 626 uint32_t rscn_entry, host_pid;
4d4df193 627 unsigned long flags;
ef86cb20 628 fc_port_t *fcport = NULL;
1da177e4
LT		 629
630 /* Setup to process RIO completion. */
631 handle_cnt = 0;
6246b8a1 632 if (IS_CNA_CAPABLE(ha))
3a03eb79 633 goto skip_rio;
1da177e4
LT		 634 switch (mb[0]) {
635 case MBA_SCSI_COMPLETION:
9a853f71 636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 637 handle_cnt = 1;
638 break;
639 case MBA_CMPLT_1_16BIT:
9a853f71 640 handles[0] = mb[1];
1da177e4
LT		 641 handle_cnt = 1;
642 mb[0] = MBA_SCSI_COMPLETION;
643 break;
644 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 645 handles[0] = mb[1];
646 handles[1] = mb[2];
1da177e4
LT		 647 handle_cnt = 2;
648 mb[0] = MBA_SCSI_COMPLETION;
649 break;
650 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 651 handles[0] = mb[1];
652 handles[1] = mb[2];
653 handles[2] = mb[3];
1da177e4
LT		 654 handle_cnt = 3;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
1da177e4
LT		 661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
662 handle_cnt = 4;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
1da177e4
LT		 669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
671 handle_cnt = 5;
672 mb[0] = MBA_SCSI_COMPLETION;
673 break;
674 case MBA_CMPLT_2_32BIT:
9a853f71 675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 676 handles[1] = le32_to_cpu(
677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
678 RD_MAILBOX_REG(ha, reg, 6));
679 handle_cnt = 2;
680 mb[0] = MBA_SCSI_COMPLETION;
681 break;
682 default:
683 break;
684 }
3a03eb79 685skip_rio:
1da177e4
LT		 686 switch (mb[0]) {
687 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 688 if (!vha->flags.online)
1da177e4
LT		 689 break;
690
691 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 692 qla2x00_process_completed_request(vha, rsp->req,
693 handles[cnt]);
1da177e4
LT		 694 break;
695
696 case MBA_RESET: /* Reset */
7c3df132
SK		 697 ql_dbg(ql_dbg_async, vha, 0x5002,
698 "Asynchronous RESET.\n");
1da177e4 699
e315cd28 700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 701 break;
702
703 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 705 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 706 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 709
e315cd28 710 ha->isp_ops->fw_dump(vha, 1);
1da177e4 711
e428924c 712 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 713 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 714 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 715 "Unrecoverable Hardware Error: adapter "
716 "marked OFFLINE!\n");
e315cd28 717 vha->flags.online = 0;
6246b8a1 718 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 719 } else {
25985edc 720 /* Check to see if MPI timeout occurred */
f73cb695 721 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 722 set_bit(MPI_RESET_NEEDED,
723 &vha->dpc_flags);
724
e315cd28 725 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 726 }
9a853f71 727 } else if (mb[1] == 0) {
7c3df132 728 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 729 "Unrecoverable Hardware Error: adapter marked "
730 "OFFLINE!\n");
e315cd28 731 vha->flags.online = 0;
6246b8a1 732 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 733 } else
e315cd28 734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 735 break;
736
737 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 738 ql_log(ql_log_warn, vha, 0x5006,
739 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 740
e315cd28 741 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 742 break;
743
744 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132 745 ql_log(ql_log_warn, vha, 0x5007,
41233cd3 746 "ISP Response Transfer Error (%x).\n", mb[1]);
1da177e4 747
e315cd28 748 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 749 break;
750
751 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132 752 ql_dbg(ql_dbg_async, vha, 0x5008,
41233cd3
JC		 753 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
754 break;
1da177e4 755
41233cd3 756 case MBA_LOOP_INIT_ERR:
75d560e0 757 ql_log(ql_log_warn, vha, 0x5090,
41233cd3
JC		 758 "LOOP INIT ERROR (%x).\n", mb[1]);
759 ha->isp_ops->fw_dump(vha, 1);
760 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2d70c103 761 break;
41233cd3 762
1da177e4 763 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 764 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 765 "LIP occurred (%x).\n", mb[1]);
1da177e4 766
e315cd28
AC		 767 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
768 atomic_set(&vha->loop_state, LOOP_DOWN);
769 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
770 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 771 }
772
e315cd28
AC		 773 if (vha->vp_idx) {
774 atomic_set(&vha->vp_state, VP_FAILED);
775 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 776 }
777
e315cd28
AC		 778 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
779 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 780
e315cd28
AC		 781 vha->flags.management_server_logged_in = 0;
782 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 783 break;
784
785 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 786 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 787 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 788 else
1da177e4 789 ha->link_data_rate = mb[1];
1da177e4 790
8e5a9484 791 ql_log(ql_log_info, vha, 0x500a,
daae62a3 792 "LOOP UP detected (%s Gbps).\n",
d0297c9a 793 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 794
e315cd28
AC		 795 vha->flags.management_server_logged_in = 0;
796 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 797 break;
798
799 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 800 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
801 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 802 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
803 : mbx;
8e5a9484 804 ql_log(ql_log_info, vha, 0x500b,
7c3df132
SK		 805 "LOOP DOWN detected (%x %x %x %x).\n",
806 mb[1], mb[2], mb[3], mbx);
1da177e4 807
e315cd28
AC		 808 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
809 atomic_set(&vha->loop_state, LOOP_DOWN);
810 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2486c627
HM		 811 /*
812 * In case of loop down, restore WWPN from
813 * NVRAM in case of FA-WWPN capable ISP
718abbdc 814 * Restore for Physical Port only
2486c627 815 */
718abbdc
SC		 816 if (!vha->vp_idx) {
817 if (ha->flags.fawwpn_enabled) {
818 void *wwpn = ha->init_cb->port_name;
819 memcpy(vha->port_name, wwpn, WWN_SIZE);
820 fc_host_port_name(vha->host) =
821 wwn_to_u64(vha->port_name);
822 ql_dbg(ql_dbg_init + ql_dbg_verbose,
823 vha, 0x0144, "LOOP DOWN detected,"
824 "restore WWPN %016llx\n",
825 wwn_to_u64(vha->port_name));
826 }
827
828 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
2486c627
HM		 829 }
830
e315cd28
AC		 831 vha->device_flags |= DFLG_NO_CABLE;
832 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 833 }
834
e315cd28
AC		 835 if (vha->vp_idx) {
836 atomic_set(&vha->vp_state, VP_FAILED);
837 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 838 }
839
e315cd28 840 vha->flags.management_server_logged_in = 0;
d8b45213 841 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 842 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 843 break;
844
845 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 846 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 847 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 848
e315cd28
AC		 849 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
850 atomic_set(&vha->loop_state, LOOP_DOWN);
851 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
852 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 853 }
854
e315cd28
AC		 855 if (vha->vp_idx) {
856 atomic_set(&vha->vp_state, VP_FAILED);
857 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 858 }
859
e315cd28 860 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 861
862 ha->operating_mode = LOOP;
e315cd28
AC		 863 vha->flags.management_server_logged_in = 0;
864 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 865 break;
866
3a03eb79 867 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 868 case MBA_POINT_TO_POINT: /* Point-to-Point */
869 if (IS_QLA2100(ha))
870 break;
871
7ec0effd 872 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 873 ql_dbg(ql_dbg_async, vha, 0x500d,
874 "DCBX Completed -- %04x %04x %04x.\n",
875 mb[1], mb[2], mb[3]);
9aaf2cea 876 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 877 complete(&ha->dcbx_comp);
878
879 } else
7c3df132
SK		 880 ql_dbg(ql_dbg_async, vha, 0x500e,
881 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 882
883 /*
884 * Until there's a transition from loop down to loop up, treat
885 * this as loop down only.
886 */
e315cd28
AC		 887 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
888 atomic_set(&vha->loop_state, LOOP_DOWN);
889 if (!atomic_read(&vha->loop_down_timer))
890 atomic_set(&vha->loop_down_timer,
1da177e4 891 LOOP_DOWN_TIME);
e315cd28 892 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 893 }
894
e315cd28
AC		 895 if (vha->vp_idx) {
896 atomic_set(&vha->vp_state, VP_FAILED);
897 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 898 }
899
e315cd28
AC		 900 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
901 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
902
903 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
904 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 905
906 ha->flags.gpsc_supported = 1;
e315cd28 907 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 908 break;
909
910 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
911 if (IS_QLA2100(ha))
912 break;
913
cfb0919c 914 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 915 "Configuration change detected: value=%x.\n", mb[1]);
916
e315cd28
AC		 917 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
918 atomic_set(&vha->loop_state, LOOP_DOWN);
919 if (!atomic_read(&vha->loop_down_timer))
920 atomic_set(&vha->loop_down_timer,
1da177e4 921 LOOP_DOWN_TIME);
e315cd28 922 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 923 }
924
e315cd28
AC		 925 if (vha->vp_idx) {
926 atomic_set(&vha->vp_state, VP_FAILED);
927 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 928 }
929
e315cd28
AC		 930 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
931 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 932 break;
933
934 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 935 /*
936 * Handle only global and vn-port update events
937 *
938 * Relevant inputs:
939 * mb[1] = N_Port handle of changed port
940 * OR 0xffff for global event
941 * mb[2] = New login state
942 * 7 = Port logged out
943 * mb[3] = LSB is vp_idx, 0xff = all vps
944 *
945 * Skip processing if:
946 * Event is global, vp_idx is NOT all vps,
947 * vp_idx does not match
948 * Event is not global, vp_idx does not match
949 */
12cec63e
AV		 950 if (IS_QLA2XXX_MIDTYPE(ha) &&
951 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
952 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
953 break;
73208dfd 954
17cac3a1 955 if (mb[2] == 0x7) {
7c3df132 956 ql_dbg(ql_dbg_async, vha, 0x5010,
17cac3a1
JC		 957 "Port %s %04x %04x %04x.\n",
958 mb[1] == 0xffff ? "unavailable" : "logout",
7c3df132 959 mb[1], mb[2], mb[3]);
17cac3a1
JC		 960
961 if (mb[1] == 0xffff)
962 goto global_port_update;
963
964 /* Port logout */
965 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
966 if (!fcport)
967 break;
968 if (atomic_read(&fcport->state) != FCS_ONLINE)
969 break;
970 ql_dbg(ql_dbg_async, vha, 0x508a,
971 "Marking port lost loopid=%04x portid=%06x.\n",
972 fcport->loop_id, fcport->d_id.b24);
726b8548
QT		 973 if (qla_ini_mode_enabled(vha)) {
974 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
975 fcport->logout_on_delete = 0;
976 qlt_schedule_sess_for_deletion_lock(fcport);
977 }
17cac3a1
JC		 978 break;
979
980global_port_update:
9764ff88
AV		 981 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
982 atomic_set(&vha->loop_state, LOOP_DOWN);
983 atomic_set(&vha->loop_down_timer,
984 LOOP_DOWN_TIME);
985 vha->device_flags |= DFLG_NO_CABLE;
986 qla2x00_mark_all_devices_lost(vha, 1);
987 }
988
989 if (vha->vp_idx) {
990 atomic_set(&vha->vp_state, VP_FAILED);
991 fc_vport_set_state(vha->fc_vport,
992 FC_VPORT_FAILED);
faadc5e7 993 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 994 }
995
996 vha->flags.management_server_logged_in = 0;
997 ha->link_data_rate = PORT_SPEED_UNKNOWN;
998 break;
999 }
1000
1da177e4 1001 /*
cc3ef7bc 1002 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 1003 * event etc. earlier indicating loop is down) then process
1004 * it. Otherwise ignore it and Wait for RSCN to come in.
1005 */
e315cd28 1006 atomic_set(&vha->loop_down_timer, 0);
8e5a9484
CD		 1007 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1008 atomic_read(&vha->loop_state) != LOOP_DEAD) {
7c3df132
SK		 1009 ql_dbg(ql_dbg_async, vha, 0x5011,
1010 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1011 mb[1], mb[2], mb[3]);
2d70c103
NB		 1012
1013 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 1014 break;
1015 }
1016
7c3df132
SK		 1017 ql_dbg(ql_dbg_async, vha, 0x5012,
1018 "Port database changed %04x %04x %04x.\n",
1019 mb[1], mb[2], mb[3]);
1da177e4
LT		 1020
1021 /*
1022 * Mark all devices as missing so we will login again.
1023 */
e315cd28 1024 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 1025
e315cd28 1026 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 1027
e315cd28
AC		 1028 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1029 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
ded6411f 1030 set_bit(VP_CONFIG_OK, &vha->vp_flags);
2d70c103
NB		 1031
1032 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 1033 break;
1034
1035 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 1036 /* Check if the Vport has issued a SCR */
e315cd28 1037 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 1038 break;
1039 /* Only handle SCNs for our Vport index. */
0d6e61bc 1040 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 1041 break;
0d6e61bc 1042
7c3df132
SK		 1043 ql_dbg(ql_dbg_async, vha, 0x5013,
1044 "RSCN database changed -- %04x %04x %04x.\n",
1045 mb[1], mb[2], mb[3]);
1da177e4 1046
59d72d87 1047 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 1048 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1049 | vha->d_id.b.al_pa;
1da177e4 1050 if (rscn_entry == host_pid) {
7c3df132
SK		 1051 ql_dbg(ql_dbg_async, vha, 0x5014,
1052 "Ignoring RSCN update to local host "
1053 "port ID (%06x).\n", host_pid);
1da177e4
LT		 1054 break;
1055 }
1056
59d72d87
RA		 1057 /* Ignore reserved bits from RSCN-payload. */
1058 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 1059
bb4cf5b7
CD		 1060 /* Skip RSCNs for virtual ports on the same physical port */
1061 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1062 break;
1063
e315cd28
AC		 1064 atomic_set(&vha->loop_down_timer, 0);
1065 vha->flags.management_server_logged_in = 0;
726b8548
QT		 1066 {
1067 struct event_arg ea;
1da177e4 1068
726b8548
QT		 1069 memset(&ea, 0, sizeof(ea));
1070 ea.event = FCME_RSCN;
1071 ea.id.b24 = rscn_entry;
41dc529a 1072 ea.id.b.rsvd_1 = rscn_entry >> 24;
726b8548 1073 qla2x00_fcport_event_handler(vha, &ea);
41dc529a 1074 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
726b8548 1075 }
1da177e4 1076 break;
1da177e4
LT		 1077 /* case MBA_RIO_RESPONSE: */
1078 case MBA_ZIO_RESPONSE:
7c3df132
SK		 1079 ql_dbg(ql_dbg_async, vha, 0x5015,
1080 "[R|Z]IO update completion.\n");
1da177e4 1081
e428924c 1082 if (IS_FWI2_CAPABLE(ha))
2afa19a9 1083 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 1084 else
73208dfd 1085 qla2x00_process_response_queue(rsp);
1da177e4 1086 break;
9a853f71
AV		 1087
1088 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 1089 ql_dbg(ql_dbg_async, vha, 0x5016,
1090 "Discard RND Frame -- %04x %04x %04x.\n",
1091 mb[1], mb[2], mb[3]);
9a853f71 1092 break;
45ebeb56
AV		 1093
1094 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 1095 ql_dbg(ql_dbg_async, vha, 0x5017,
1096 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1097 break;
4d4df193
HK		 1098
1099 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1100 ql_dbg(ql_dbg_async, vha, 0x5018,
1101 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1102 mb[1], mb[2], mb[3]);
4d4df193
HK		 1103
1104 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1105 switch (mb[1]) {
1106 case A84_PANIC_RECOVERY:
7c3df132
SK		 1107 ql_log(ql_log_info, vha, 0x5019,
1108 "Alert 84XX: panic recovery %04x %04x.\n",
1109 mb[2], mb[3]);
4d4df193
HK		 1110 break;
1111 case A84_OP_LOGIN_COMPLETE:
1112 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1113 ql_log(ql_log_info, vha, 0x501a,
1114 "Alert 84XX: firmware version %x.\n",
1115 ha->cs84xx->op_fw_version);
4d4df193
HK		 1116 break;
1117 case A84_DIAG_LOGIN_COMPLETE:
1118 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1119 ql_log(ql_log_info, vha, 0x501b,
1120 "Alert 84XX: diagnostic firmware version %x.\n",
1121 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1122 break;
1123 case A84_GOLD_LOGIN_COMPLETE:
1124 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1125 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1126 ql_log(ql_log_info, vha, 0x501c,
1127 "Alert 84XX: gold firmware version %x.\n",
1128 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1129 break;
1130 default:
7c3df132
SK		 1131 ql_log(ql_log_warn, vha, 0x501d,
1132 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1133 mb[1], mb[2], mb[3]);
1134 }
1135 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1136 break;
3a03eb79 1137 case MBA_DCBX_START:
7c3df132
SK		 1138 ql_dbg(ql_dbg_async, vha, 0x501e,
1139 "DCBX Started -- %04x %04x %04x.\n",
1140 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1141 break;
1142 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1143 ql_dbg(ql_dbg_async, vha, 0x501f,
1144 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1145 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1146 break;
1147 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1148 ql_dbg(ql_dbg_async, vha, 0x5020,
1149 "FCF Configuration Error -- %04x %04x %04x.\n",
1150 mb[1], mb[2], mb[3]);
3a03eb79 1151 break;
3a03eb79 1152 case MBA_IDC_NOTIFY:
7ec0effd 1153 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1154 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1155 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1156 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1157 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1158 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1159 /*
1160 * Extend loop down timer since port is active.
1161 */
1162 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1163 atomic_set(&vha->loop_down_timer,
1164 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1165 qla2xxx_wake_dpc(vha);
1166 }
67b2a31f 1167 }
8fcd6b8b 1168 case MBA_IDC_COMPLETE:
9aaf2cea 1169 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1170 complete(&ha->lb_portup_comp);
1171 /* Fallthru */
3a03eb79 1172 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1173 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1174 IS_QLA8044(ha))
7d613ac6
SV		 1175 qla81xx_idc_event(vha, mb[0], mb[1]);
1176 break;
1177
1178 case MBA_IDC_AEN:
1179 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1180 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1181 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1182 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1183 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1184 break;
7d613ac6 1185
b5a340dd
JC		 1186 case MBA_DPORT_DIAGNOSTICS:
1187 ql_dbg(ql_dbg_async, vha, 0x5052,
ef55e513 1188 "D-Port Diagnostics: %04x result=%s\n",
ec891462 1189 mb[0],
b5a340dd 1190 mb[1] == 0 ? "start" :
ef55e513
JC		 1191 mb[1] == 1 ? "done (pass)" :
1192 mb[1] == 2 ? "done (error)" : "other");
b5a340dd
JC		 1193 break;
1194
a29b3dd7
JC		 1195 case MBA_TEMPERATURE_ALERT:
1196 ql_dbg(ql_dbg_async, vha, 0x505e,
1197 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1198 if (mb[1] == 0x12)
1199 schedule_work(&ha->board_disable);
1200 break;
1201
6246b8a1
GM		 1202 default:
1203 ql_dbg(ql_dbg_async, vha, 0x5057,
1204 "Unknown AEN:%04x %04x %04x %04x\n",
1205 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1206 }
2c3dfe3f 1207
2d70c103
NB		 1208 qlt_async_event(mb[0], vha, mb);
1209
e315cd28 1210 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1211 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1212}
1213
1214/**
1215 * qla2x00_process_completed_request() - Process a Fast Post response.
1216 * @ha: SCSI driver HA context
1217 * @index: SRB index
1218 */
8ae6d9c7 1219void
73208dfd 1220qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1221 struct req_que *req, uint32_t index)
1da177e4
LT		 1222{
1223 srb_t *sp;
e315cd28 1224 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1225
1226 /* Validate handle. */
8d93f550 1227 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1228 ql_log(ql_log_warn, vha, 0x3014,
1229 "Invalid SCSI command index (%x).\n", index);
1da177e4 1230
7ec0effd 1231 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1232 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1233 else
1234 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1235 return;
1236 }
1237
e315cd28 1238 sp = req->outstanding_cmds[index];
1da177e4
LT		 1239 if (sp) {
1240 /* Free outstanding command slot. */
e315cd28 1241 req->outstanding_cmds[index] = NULL;
1da177e4 1242
1da177e4 1243 /* Save ISP completion status */
25ff6af1 1244 sp->done(sp, DID_OK << 16);
1da177e4 1245 } else {
7c3df132 1246 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1247
7ec0effd 1248 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1249 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1250 else
1251 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1252 }
1253}
1254
8ae6d9c7 1255srb_t *
ac280b67
AV		 1256qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1257 struct req_que *req, void *iocb)
1258{
1259 struct qla_hw_data *ha = vha->hw;
1260 sts_entry_t *pkt = iocb;
1261 srb_t *sp = NULL;
1262 uint16_t index;
1263
1264 index = LSW(pkt->handle);
8d93f550 1265 if (index >= req->num_outstanding_cmds) {
7c3df132 1266 ql_log(ql_log_warn, vha, 0x5031,
726b8548
QT		 1267 "Invalid command index (%x) type %8ph.\n",
1268 index, iocb);
7ec0effd 1269 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1270 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1271 else
1272 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1273 goto done;
1274 }
1275 sp = req->outstanding_cmds[index];
1276 if (!sp) {
7c3df132
SK		 1277 ql_log(ql_log_warn, vha, 0x5032,
1278 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1279 return sp;
1280 }
1281 if (sp->handle != index) {
7c3df132
SK		 1282 ql_log(ql_log_warn, vha, 0x5033,
1283 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1284 return NULL;
1285 }
9a069e19 1286
ac280b67 1287 req->outstanding_cmds[index] = NULL;
9a069e19 1288
ac280b67
AV		 1289done:
1290 return sp;
1291}
1292
1293static void
1294qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1295 struct mbx_entry *mbx)
1296{
1297 const char func[] = "MBX-IOCB";
1298 const char *type;
ac280b67
AV		 1299 fc_port_t *fcport;
1300 srb_t *sp;
4916392b 1301 struct srb_iocb *lio;
99b0bec7 1302 uint16_t *data;
5ff1d584 1303 uint16_t status;
ac280b67
AV		 1304
1305 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1306 if (!sp)
1307 return;
1308
9ba56b95
GM		 1309 lio = &sp->u.iocb_cmd;
1310 type = sp->name;
ac280b67 1311 fcport = sp->fcport;
4916392b 1312 data = lio->u.logio.data;
ac280b67 1313
5ff1d584 1314 data[0] = MBS_COMMAND_ERROR;
4916392b 1315 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1316 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1317 if (mbx->entry_status) {
7c3df132 1318 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1319 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1320 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1321 "status-flags=%x.\n", type, sp->handle,
1322 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1323 fcport->d_id.b.al_pa, mbx->entry_status,
1324 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1325 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1326
cfb0919c 1327 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1328 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1329
99b0bec7 1330 goto logio_done;
ac280b67
AV		 1331 }
1332
5ff1d584 1333 status = le16_to_cpu(mbx->status);
9ba56b95 1334 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1335 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1336 status = 0;
1337 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1338 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1339 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1340 type, sp->handle, fcport->d_id.b.domain,
1341 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1342 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1343
1344 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1345 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1346 fcport->port_type = FCT_TARGET;
1347 if (le16_to_cpu(mbx->mb1) & BIT_0)
1348 fcport->port_type = FCT_INITIATOR;
6ac52608 1349 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1350 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1351 }
99b0bec7 1352 goto logio_done;
ac280b67
AV		 1353 }
1354
1355 data[0] = le16_to_cpu(mbx->mb0);
1356 switch (data[0]) {
1357 case MBS_PORT_ID_USED:
1358 data[1] = le16_to_cpu(mbx->mb1);
1359 break;
1360 case MBS_LOOP_ID_USED:
1361 break;
1362 default:
1363 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1364 break;
1365 }
1366
7c3df132 1367 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1368 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1369 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1371 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1372 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1373 le16_to_cpu(mbx->mb7));
ac280b67 1374
99b0bec7 1375logio_done:
25ff6af1 1376 sp->done(sp, 0);
ac280b67
AV		 1377}
1378
726b8548
QT		 1379static void
1380qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1381 struct mbx_24xx_entry *pkt)
1382{
1383 const char func[] = "MBX-IOCB2";
1384 srb_t *sp;
1385 struct srb_iocb *si;
1386 u16 sz, i;
1387 int res;
1388
1389 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1390 if (!sp)
1391 return;
1392
1393 si = &sp->u.iocb_cmd;
1394 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1395
1396 for (i = 0; i < sz; i++)
1397 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1398
1399 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1400
25ff6af1 1401 sp->done(sp, res);
726b8548
QT		 1402}
1403
1404static void
1405qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1406 struct nack_to_isp *pkt)
1407{
1408 const char func[] = "nack";
1409 srb_t *sp;
1410 int res = 0;
1411
1412 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1413 if (!sp)
1414 return;
1415
1416 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1417 res = QLA_FUNCTION_FAILED;
1418
25ff6af1 1419 sp->done(sp, res);
ac280b67
AV		 1420}
1421
9bc4f4fb
HZ		 1422static void
1423qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1424 sts_entry_t *pkt, int iocb_type)
1425{
1426 const char func[] = "CT_IOCB";
1427 const char *type;
9bc4f4fb 1428 srb_t *sp;
75cc8cfc 1429 struct bsg_job *bsg_job;
01e0e15c 1430 struct fc_bsg_reply *bsg_reply;
9bc4f4fb 1431 uint16_t comp_status;
726b8548 1432 int res = 0;
9bc4f4fb
HZ		 1433
1434 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1435 if (!sp)
1436 return;
1437
726b8548
QT		 1438 switch (sp->type) {
1439 case SRB_CT_CMD:
1440 bsg_job = sp->u.bsg_job;
1441 bsg_reply = bsg_job->reply;
1442
1443 type = "ct pass-through";
1444
1445 comp_status = le16_to_cpu(pkt->comp_status);
1446
1447 /*
1448 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1449 * fc payload to the caller
1450 */
1451 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1452 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1453
1454 if (comp_status != CS_COMPLETE) {
1455 if (comp_status == CS_DATA_UNDERRUN) {
1456 res = DID_OK << 16;
1457 bsg_reply->reply_payload_rcv_len =
1458 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1459
1460 ql_log(ql_log_warn, vha, 0x5048,
1461 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1462 type, comp_status,
1463 bsg_reply->reply_payload_rcv_len);
1464 } else {
1465 ql_log(ql_log_warn, vha, 0x5049,
1466 "CT pass-through-%s error comp_status=0x%x.\n",
1467 type, comp_status);
1468 res = DID_ERROR << 16;
1469 bsg_reply->reply_payload_rcv_len = 0;
1470 }
1471 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1472 (uint8_t *)pkt, sizeof(*pkt));
1473 } else {
1474 res = DID_OK << 16;
1475 bsg_reply->reply_payload_rcv_len =
1476 bsg_job->reply_payload.payload_len;
1477 bsg_job->reply_len = 0;
1478 }
1479 break;
1480 case SRB_CT_PTHRU_CMD:
1481 /*
1482 * borrowing sts_entry_24xx.comp_status.
1483 * same location as ct_entry_24xx.comp_status
1484 */
1485 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1486 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1487 sp->name);
1488 break;
9bc4f4fb
HZ		 1489 }
1490
25ff6af1 1491 sp->done(sp, res);
9bc4f4fb
HZ		 1492}
1493
9a069e19
GM		 1494static void
1495qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1496 struct sts_entry_24xx *pkt, int iocb_type)
1497{
1498 const char func[] = "ELS_CT_IOCB";
1499 const char *type;
9a069e19 1500 srb_t *sp;
75cc8cfc 1501 struct bsg_job *bsg_job;
01e0e15c 1502 struct fc_bsg_reply *bsg_reply;
9a069e19
GM		 1503 uint16_t comp_status;
1504 uint32_t fw_status[3];
1505 uint8_t* fw_sts_ptr;
9ba56b95 1506 int res;
9a069e19
GM		 1507
1508 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1509 if (!sp)
1510 return;
9ba56b95 1511 bsg_job = sp->u.bsg_job;
01e0e15c 1512 bsg_reply = bsg_job->reply;
9a069e19
GM		 1513
1514 type = NULL;
9ba56b95 1515 switch (sp->type) {
9a069e19
GM		 1516 case SRB_ELS_CMD_RPT:
1517 case SRB_ELS_CMD_HST:
1518 type = "els";
1519 break;
1520 case SRB_CT_CMD:
1521 type = "ct pass-through";
1522 break;
6eb54715
HM		 1523 case SRB_ELS_DCMD:
1524 type = "Driver ELS logo";
1525 ql_dbg(ql_dbg_user, vha, 0x5047,
1526 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
25ff6af1 1527 sp->done(sp, 0);
6eb54715 1528 return;
726b8548
QT		 1529 case SRB_CT_PTHRU_CMD:
1530 /* borrowing sts_entry_24xx.comp_status.
1531 same location as ct_entry_24xx.comp_status
1532 */
1533 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1534 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1535 sp->name);
25ff6af1 1536 sp->done(sp, res);
6eb54715 1537 return;
9a069e19 1538 default:
37fed3ee 1539 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1540 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1541 return;
1542 }
1543
1544 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1545 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1546 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1547
1548 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1549 * fc payload to the caller
1550 */
01e0e15c 1551 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9a069e19
GM		 1552 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1553
1554 if (comp_status != CS_COMPLETE) {
1555 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1556 res = DID_OK << 16;
01e0e15c 1557 bsg_reply->reply_payload_rcv_len =
9ba56b95 1558 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1559
37fed3ee 1560 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1561 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1562 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1563 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1564 le16_to_cpu(((struct els_sts_entry_24xx *)
1565 pkt)->total_byte_count));
82ed4db4
CH		 1566 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1567 sizeof(struct fc_bsg_reply);
9a069e19
GM		 1568 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1569 }
1570 else {
37fed3ee 1571 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1572 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1573 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1574 type, sp->handle, comp_status,
7c3df132
SK		 1575 le16_to_cpu(((struct els_sts_entry_24xx *)
1576 pkt)->error_subcode_1),
1577 le16_to_cpu(((struct els_sts_entry_24xx *)
1578 pkt)->error_subcode_2));
9ba56b95 1579 res = DID_ERROR << 16;
01e0e15c 1580 bsg_reply->reply_payload_rcv_len = 0;
82ed4db4
CH		 1581 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1582 sizeof(struct fc_bsg_reply);
9a069e19
GM		 1583 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1584 }
37fed3ee 1585 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1586 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1587 }
1588 else {
9ba56b95 1589 res = DID_OK << 16;
01e0e15c 1590 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
9a069e19
GM		 1591 bsg_job->reply_len = 0;
1592 }
1593
25ff6af1 1594 sp->done(sp, res);
9a069e19
GM		 1595}
1596
ac280b67
AV		 1597static void
1598qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1599 struct logio_entry_24xx *logio)
1600{
1601 const char func[] = "LOGIO-IOCB";
1602 const char *type;
ac280b67
AV		 1603 fc_port_t *fcport;
1604 srb_t *sp;
4916392b 1605 struct srb_iocb *lio;
99b0bec7 1606 uint16_t *data;
ac280b67
AV		 1607 uint32_t iop[2];
1608
1609 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1610 if (!sp)
1611 return;
1612
9ba56b95
GM		 1613 lio = &sp->u.iocb_cmd;
1614 type = sp->name;
ac280b67 1615 fcport = sp->fcport;
4916392b 1616 data = lio->u.logio.data;
ac280b67 1617
5ff1d584 1618 data[0] = MBS_COMMAND_ERROR;
4916392b 1619 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1620 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1621 if (logio->entry_status) {
5e19ed90 1622 ql_log(ql_log_warn, fcport->vha, 0x5034,
5b33469a 1623 "Async-%s error entry - %8phC hdl=%x"
d3fa9e7d 1624 "portid=%02x%02x%02x entry-status=%x.\n",
5b33469a 1625 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
cfb0919c
CD		 1626 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1627 logio->entry_status);
1628 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1629 (uint8_t *)logio, sizeof(*logio));
ac280b67 1630
99b0bec7 1631 goto logio_done;
ac280b67
AV		 1632 }
1633
1634 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1635 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
5b33469a
QT		 1636 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1637 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1638 fcport->d_id.b.domain,
cfb0919c 1639 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1640 le32_to_cpu(logio->io_parameter[0]));
ac280b67 1641
ead03855 1642 vha->hw->exch_starvation = 0;
ac280b67 1643 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1644 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1645 goto logio_done;
ac280b67
AV		 1646
1647 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1648 if (iop[0] & BIT_4) {
1649 fcport->port_type = FCT_TARGET;
1650 if (iop[0] & BIT_8)
8474f3a0 1651 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1652 } else if (iop[0] & BIT_5)
ac280b67 1653 fcport->port_type = FCT_INITIATOR;
b0cd579c 1654
2d70c103
NB		 1655 if (iop[0] & BIT_7)
1656 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1657
ac280b67
AV		 1658 if (logio->io_parameter[7] || logio->io_parameter[8])
1659 fcport->supported_classes |= FC_COS_CLASS2;
1660 if (logio->io_parameter[9] || logio->io_parameter[10])
1661 fcport->supported_classes |= FC_COS_CLASS3;
1662
99b0bec7 1663 goto logio_done;
ac280b67
AV		 1664 }
1665
1666 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1667 iop[1] = le32_to_cpu(logio->io_parameter[1]);
726b8548
QT		 1668 lio->u.logio.iop[0] = iop[0];
1669 lio->u.logio.iop[1] = iop[1];
ac280b67
AV		 1670 switch (iop[0]) {
1671 case LSC_SCODE_PORTID_USED:
1672 data[0] = MBS_PORT_ID_USED;
1673 data[1] = LSW(iop[1]);
1674 break;
1675 case LSC_SCODE_NPORT_USED:
1676 data[0] = MBS_LOOP_ID_USED;
1677 break;
5b33469a
QT		 1678 case LSC_SCODE_CMD_FAILED:
1679 if (iop[1] == 0x0606) {
1680 /*
1681 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1682 * Target side acked.
1683 */
1684 data[0] = MBS_COMMAND_COMPLETE;
1685 goto logio_done;
1686 }
1687 data[0] = MBS_COMMAND_ERROR;
1688 break;
ead03855
QT		 1689 case LSC_SCODE_NOXCB:
1690 vha->hw->exch_starvation++;
1691 if (vha->hw->exch_starvation > 5) {
1692 ql_log(ql_log_warn, vha, 0xffff,
1693 "Exchange starvation. Resetting RISC\n");
1694
1695 vha->hw->exch_starvation = 0;
1696
1697 if (IS_P3P_TYPE(vha->hw))
1698 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1699 else
1700 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1701 qla2xxx_wake_dpc(vha);
1702 }
1703 /* drop through */
ac280b67
AV		 1704 default:
1705 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1706 break;
1707 }
1708
5e19ed90 1709 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
5b33469a
QT		 1710 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1711 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1712 sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1713 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1714 le16_to_cpu(logio->comp_status),
1715 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1716 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1717
99b0bec7 1718logio_done:
25ff6af1 1719 sp->done(sp, 0);
ac280b67
AV		 1720}
1721
3822263e 1722static void
faef62d1 1723qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1724{
1725 const char func[] = "TMF-IOCB";
1726 const char *type;
1727 fc_port_t *fcport;
1728 srb_t *sp;
1729 struct srb_iocb *iocb;
3822263e 1730 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1731
1732 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1733 if (!sp)
1734 return;
1735
9ba56b95
GM		 1736 iocb = &sp->u.iocb_cmd;
1737 type = sp->name;
3822263e 1738 fcport = sp->fcport;
faef62d1 1739 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1740
1741 if (sts->entry_status) {
5e19ed90 1742 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1743 "Async-%s error - hdl=%x entry-status(%x).\n",
1744 type, sp->handle, sts->entry_status);
faef62d1 1745 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
ad950360 1746 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1747 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1748 "Async-%s error - hdl=%x completion status(%x).\n",
1749 type, sp->handle, sts->comp_status);
faef62d1
AB		 1750 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1751 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1752 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1753 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1754 ql_log(ql_log_warn, fcport->vha, 0x503b,
1755 "Async-%s error - hdl=%x not enough response(%d).\n",
1756 type, sp->handle, sts->rsp_data_len);
1757 } else if (sts->data[3]) {
1758 ql_log(ql_log_warn, fcport->vha, 0x503c,
1759 "Async-%s error - hdl=%x response(%x).\n",
1760 type, sp->handle, sts->data[3]);
8d2b21db 1761 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
faef62d1 1762 }
3822263e
MI		 1763 }
1764
faef62d1 1765 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1766 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1767 (uint8_t *)sts, sizeof(*sts));
3822263e 1768
25ff6af1 1769 sp->done(sp, 0);
3822263e
MI		 1770}
1771
1da177e4
LT		 1772/**
1773 * qla2x00_process_response_queue() - Process response queue entries.
1774 * @ha: SCSI driver HA context
1775 */
1776void
73208dfd 1777qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1778{
73208dfd
AC		 1779 struct scsi_qla_host *vha;
1780 struct qla_hw_data *ha = rsp->hw;
3d71644c 1781 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1782 sts_entry_t *pkt;
1783 uint16_t handle_cnt;
1784 uint16_t cnt;
73208dfd 1785
2afa19a9 1786 vha = pci_get_drvdata(ha->pdev);
1da177e4 1787
e315cd28 1788 if (!vha->flags.online)
1da177e4
LT		 1789 return;
1790
e315cd28
AC		 1791 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1792 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1793
e315cd28
AC		 1794 rsp->ring_index++;
1795 if (rsp->ring_index == rsp->length) {
1796 rsp->ring_index = 0;
1797 rsp->ring_ptr = rsp->ring;
1da177e4 1798 } else {
e315cd28 1799 rsp->ring_ptr++;
1da177e4
LT		 1800 }
1801
1802 if (pkt->entry_status != 0) {
73208dfd 1803 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1804 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1805 wmb();
1806 continue;
1807 }
1808
1809 switch (pkt->entry_type) {
1810 case STATUS_TYPE:
73208dfd 1811 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1812 break;
1813 case STATUS_TYPE_21:
1814 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1815 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1816 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1817 ((sts21_entry_t *)pkt)->handle[cnt]);
1818 }
1819 break;
1820 case STATUS_TYPE_22:
1821 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1822 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1823 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1824 ((sts22_entry_t *)pkt)->handle[cnt]);
1825 }
1826 break;
1827 case STATUS_CONT_TYPE:
2afa19a9 1828 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1829 break;
ac280b67
AV		 1830 case MBX_IOCB_TYPE:
1831 qla2x00_mbx_iocb_entry(vha, rsp->req,
1832 (struct mbx_entry *)pkt);
3822263e 1833 break;
9bc4f4fb
HZ		 1834 case CT_IOCB_TYPE:
1835 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1836 break;
1da177e4
LT		 1837 default:
1838 /* Type Not Supported. */
7c3df132
SK		 1839 ql_log(ql_log_warn, vha, 0x504a,
1840 "Received unknown response pkt type %x "
1da177e4 1841 "entry status=%x.\n",
7c3df132 1842 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1843 break;
1844 }
1845 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1846 wmb();
1847 }
1848
1849 /* Adjust ring index */
e315cd28 1850 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1851}
1852
4733fcb1 1853static inline void
5544213b 1854qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1855 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1856{
25ff6af1 1857 struct scsi_qla_host *vha = sp->vha;
9ba56b95
GM		 1858 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1859 uint32_t track_sense_len;
4733fcb1
AV		 1860
1861 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1862 sense_len = SCSI_SENSE_BUFFERSIZE;
1863
9ba56b95
GM		 1864 SET_CMD_SENSE_LEN(sp, sense_len);
1865 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1866 track_sense_len = sense_len;
1867
1868 if (sense_len > par_sense_len)
5544213b 1869 sense_len = par_sense_len;
4733fcb1
AV		 1870
1871 memcpy(cp->sense_buffer, sense_data, sense_len);
1872
9ba56b95
GM		 1873 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1874 track_sense_len -= sense_len;
1875 SET_CMD_SENSE_LEN(sp, track_sense_len);
1876
1877 if (track_sense_len != 0) {
2afa19a9 1878 rsp->status_srb = sp;
9ba56b95
GM		 1879 cp->result = res;
1880 }
4733fcb1 1881
cfb0919c
CD		 1882 if (sense_len) {
1883 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
9cb78c16 1884 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
25ff6af1 1885 sp->vha->host_no, cp->device->id, cp->device->lun,
cfb0919c 1886 cp);
7c3df132
SK		 1887 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1888 cp->sense_buffer, sense_len);
cfb0919c 1889 }
4733fcb1
AV		 1890}
1891
bad75002
AE		 1892struct scsi_dif_tuple {
1893 __be16 guard; /* Checksum */
d6a03581 1894 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1895 __be32 ref_tag; /* Target LBA or indirect LBA */
1896};
1897
1898/*
1899 * Checks the guard or meta-data for the type of error
1900 * detected by the HBA. In case of errors, we set the
1901 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1902 * to indicate to the kernel that the HBA detected error.
1903 */
8cb2049c 1904static inline int
bad75002
AE		 1905qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1906{
25ff6af1 1907 struct scsi_qla_host *vha = sp->vha;
9ba56b95 1908 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1909 uint8_t *ap = &sts24->data[12];
1910 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1911 uint32_t e_ref_tag, a_ref_tag;
1912 uint16_t e_app_tag, a_app_tag;
1913 uint16_t e_guard, a_guard;
1914
8cb2049c
AE		 1915 /*
1916 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1917 * would make guard field appear at offset 2
1918 */
1919 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1920 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1921 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1922 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1923 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1924 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1925
7c3df132
SK		 1926 ql_dbg(ql_dbg_io, vha, 0x3023,
1927 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1928
7c3df132
SK		 1929 ql_dbg(ql_dbg_io, vha, 0x3024,
1930 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1931 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1932 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1933 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1934 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1935
8cb2049c
AE		 1936 /*
1937 * Ignore sector if:
1938 * For type 3: ref & app tag is all 'f's
1939 * For type 0,1,2: app tag is all 'f's
1940 */
1941 if ((a_app_tag == 0xffff) &&
1942 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1943 (a_ref_tag == 0xffffffff))) {
1944 uint32_t blocks_done, resid;
1945 sector_t lba_s = scsi_get_lba(cmd);
1946
1947 /* 2TB boundary case covered automatically with this */
1948 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1949
1950 resid = scsi_bufflen(cmd) - (blocks_done *
1951 cmd->device->sector_size);
1952
1953 scsi_set_resid(cmd, resid);
1954 cmd->result = DID_OK << 16;
1955
1956 /* Update protection tag */
1957 if (scsi_prot_sg_count(cmd)) {
1958 uint32_t i, j = 0, k = 0, num_ent;
1959 struct scatterlist *sg;
27c0e83b 1960 struct t10_pi_tuple *spt;
8cb2049c
AE		 1961
1962 /* Patch the corresponding protection tags */
1963 scsi_for_each_prot_sg(cmd, sg,
1964 scsi_prot_sg_count(cmd), i) {
1965 num_ent = sg_dma_len(sg) / 8;
1966 if (k + num_ent < blocks_done) {
1967 k += num_ent;
1968 continue;
1969 }
1970 j = blocks_done - k - 1;
1971 k = blocks_done;
1972 break;
1973 }
1974
1975 if (k != blocks_done) {
cfb0919c 1976 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1977 "unexpected tag values tag:lba=%x:%llx)\n",
1978 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1979 return 1;
1980 }
1981
1982 spt = page_address(sg_page(sg)) + sg->offset;
1983 spt += j;
1984
1985 spt->app_tag = 0xffff;
1986 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1987 spt->ref_tag = 0xffffffff;
1988 }
1989
1990 return 0;
1991 }
1992
bad75002
AE		 1993 /* check guard */
1994 if (e_guard != a_guard) {
1995 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1996 0x10, 0x1);
1997 set_driver_byte(cmd, DRIVER_SENSE);
1998 set_host_byte(cmd, DID_ABORT);
1999 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 2000 return 1;
bad75002
AE		 2001 }
2002
e02587d7
AE		 2003 /* check ref tag */
2004 if (e_ref_tag != a_ref_tag) {
bad75002 2005 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 2006 0x10, 0x3);
bad75002
AE		 2007 set_driver_byte(cmd, DRIVER_SENSE);
2008 set_host_byte(cmd, DID_ABORT);
2009 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 2010 return 1;
bad75002
AE		 2011 }
2012
e02587d7
AE		 2013 /* check appl tag */
2014 if (e_app_tag != a_app_tag) {
bad75002 2015 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 2016 0x10, 0x2);
bad75002
AE		 2017 set_driver_byte(cmd, DRIVER_SENSE);
2018 set_host_byte(cmd, DID_ABORT);
2019 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 2020 return 1;
bad75002 2021 }
e02587d7 2022
8cb2049c 2023 return 1;
bad75002
AE		 2024}
2025
a9b6f722
SK		 2026static void
2027qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2028 struct req_que *req, uint32_t index)
2029{
2030 struct qla_hw_data *ha = vha->hw;
2031 srb_t *sp;
2032 uint16_t comp_status;
2033 uint16_t scsi_status;
2034 uint16_t thread_id;
2035 uint32_t rval = EXT_STATUS_OK;
75cc8cfc 2036 struct bsg_job *bsg_job = NULL;
01e0e15c
JT		 2037 struct fc_bsg_request *bsg_request;
2038 struct fc_bsg_reply *bsg_reply;
a9b6f722
SK		 2039 sts_entry_t *sts;
2040 struct sts_entry_24xx *sts24;
2041 sts = (sts_entry_t *) pkt;
2042 sts24 = (struct sts_entry_24xx *) pkt;
2043
2044 /* Validate handle. */
8d93f550 2045 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 2046 ql_log(ql_log_warn, vha, 0x70af,
2047 "Invalid SCSI completion handle 0x%x.\n", index);
2048 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2049 return;
2050 }
2051
2052 sp = req->outstanding_cmds[index];
01e0e15c 2053 if (!sp) {
a9b6f722
SK		 2054 ql_log(ql_log_warn, vha, 0x70b0,
2055 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2056 req->id, index);
2057
2058 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2059 return;
2060 }
2061
01e0e15c
JT		 2062 /* Free outstanding command slot. */
2063 req->outstanding_cmds[index] = NULL;
2064 bsg_job = sp->u.bsg_job;
2065 bsg_request = bsg_job->request;
2066 bsg_reply = bsg_job->reply;
2067
a9b6f722
SK		 2068 if (IS_FWI2_CAPABLE(ha)) {
2069 comp_status = le16_to_cpu(sts24->comp_status);
2070 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2071 } else {
2072 comp_status = le16_to_cpu(sts->comp_status);
2073 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2074 }
2075
01e0e15c 2076 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
a9b6f722
SK		 2077 switch (comp_status) {
2078 case CS_COMPLETE:
2079 if (scsi_status == 0) {
01e0e15c 2080 bsg_reply->reply_payload_rcv_len =
a9b6f722 2081 bsg_job->reply_payload.payload_len;
fabbb8df 2082 vha->qla_stats.input_bytes +=
01e0e15c 2083 bsg_reply->reply_payload_rcv_len;
fabbb8df 2084 vha->qla_stats.input_requests++;
a9b6f722
SK		 2085 rval = EXT_STATUS_OK;
2086 }
2087 goto done;
2088
2089 case CS_DATA_OVERRUN:
2090 ql_dbg(ql_dbg_user, vha, 0x70b1,
2091 "Command completed with date overrun thread_id=%d\n",
2092 thread_id);
2093 rval = EXT_STATUS_DATA_OVERRUN;
2094 break;
2095
2096 case CS_DATA_UNDERRUN:
2097 ql_dbg(ql_dbg_user, vha, 0x70b2,
2098 "Command completed with date underrun thread_id=%d\n",
2099 thread_id);
2100 rval = EXT_STATUS_DATA_UNDERRUN;
2101 break;
2102 case CS_BIDIR_RD_OVERRUN:
2103 ql_dbg(ql_dbg_user, vha, 0x70b3,
2104 "Command completed with read data overrun thread_id=%d\n",
2105 thread_id);
2106 rval = EXT_STATUS_DATA_OVERRUN;
2107 break;
2108
2109 case CS_BIDIR_RD_WR_OVERRUN:
2110 ql_dbg(ql_dbg_user, vha, 0x70b4,
2111 "Command completed with read and write data overrun "
2112 "thread_id=%d\n", thread_id);
2113 rval = EXT_STATUS_DATA_OVERRUN;
2114 break;
2115
2116 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2117 ql_dbg(ql_dbg_user, vha, 0x70b5,
2118 "Command completed with read data over and write data "
2119 "underrun thread_id=%d\n", thread_id);
2120 rval = EXT_STATUS_DATA_OVERRUN;
2121 break;
2122
2123 case CS_BIDIR_RD_UNDERRUN:
2124 ql_dbg(ql_dbg_user, vha, 0x70b6,
2125 "Command completed with read data data underrun "
2126 "thread_id=%d\n", thread_id);
2127 rval = EXT_STATUS_DATA_UNDERRUN;
2128 break;
2129
2130 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2131 ql_dbg(ql_dbg_user, vha, 0x70b7,
2132 "Command completed with read data under and write data "
2133 "overrun thread_id=%d\n", thread_id);
2134 rval = EXT_STATUS_DATA_UNDERRUN;
2135 break;
2136
2137 case CS_BIDIR_RD_WR_UNDERRUN:
2138 ql_dbg(ql_dbg_user, vha, 0x70b8,
2139 "Command completed with read and write data underrun "
2140 "thread_id=%d\n", thread_id);
2141 rval = EXT_STATUS_DATA_UNDERRUN;
2142 break;
2143
2144 case CS_BIDIR_DMA:
2145 ql_dbg(ql_dbg_user, vha, 0x70b9,
2146 "Command completed with data DMA error thread_id=%d\n",
2147 thread_id);
2148 rval = EXT_STATUS_DMA_ERR;
2149 break;
2150
2151 case CS_TIMEOUT:
2152 ql_dbg(ql_dbg_user, vha, 0x70ba,
2153 "Command completed with timeout thread_id=%d\n",
2154 thread_id);
2155 rval = EXT_STATUS_TIMEOUT;
2156 break;
2157 default:
2158 ql_dbg(ql_dbg_user, vha, 0x70bb,
2159 "Command completed with completion status=0x%x "
2160 "thread_id=%d\n", comp_status, thread_id);
2161 rval = EXT_STATUS_ERR;
2162 break;
2163 }
01e0e15c 2164 bsg_reply->reply_payload_rcv_len = 0;
a9b6f722
SK		 2165
2166done:
2167 /* Return the vendor specific reply to API */
01e0e15c 2168 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
a9b6f722
SK		 2169 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2170 /* Always return DID_OK, bsg will send the vendor specific response
2171 * in this case only */
25ff6af1 2172 sp->done(sp, DID_OK << 6);
a9b6f722
SK		 2173
2174}
2175
1da177e4
LT		 2176/**
2177 * qla2x00_status_entry() - Process a Status IOCB entry.
2178 * @ha: SCSI driver HA context
2179 * @pkt: Entry pointer
2180 */
2181static void
73208dfd 2182qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 2183{
1da177e4 2184 srb_t *sp;
1da177e4
LT		 2185 fc_port_t *fcport;
2186 struct scsi_cmnd *cp;
9a853f71
AV		 2187 sts_entry_t *sts;
2188 struct sts_entry_24xx *sts24;
1da177e4
LT		 2189 uint16_t comp_status;
2190 uint16_t scsi_status;
b7d2280c 2191 uint16_t ox_id;
1da177e4
LT		 2192 uint8_t lscsi_status;
2193 int32_t resid;
5544213b
AV		 2194 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2195 fw_resid_len;
9a853f71 2196 uint8_t *rsp_info, *sense_data;
e315cd28 2197 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 2198 uint32_t handle;
2199 uint16_t que;
2200 struct req_que *req;
b7d2280c 2201 int logit = 1;
9ba56b95 2202 int res = 0;
a9b6f722 2203 uint16_t state_flags = 0;
e05fe292 2204 uint16_t retry_delay = 0;
726b8548 2205 uint8_t no_logout = 0;
9a853f71
AV		 2206
2207 sts = (sts_entry_t *) pkt;
2208 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 2209 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 2210 comp_status = le16_to_cpu(sts24->comp_status);
2211 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 2212 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 2213 } else {
2214 comp_status = le16_to_cpu(sts->comp_status);
2215 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2216 }
2afa19a9
AC		 2217 handle = (uint32_t) LSW(sts->handle);
2218 que = MSW(sts->handle);
2219 req = ha->req_q_map[que];
a9083016 2220
36008cf1
CD		 2221 /* Check for invalid queue pointer */
2222 if (req == NULL ||
2223 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2224 ql_dbg(ql_dbg_io, vha, 0x3059,
2225 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2226 "que=%u.\n", sts->handle, req, que);
2227 return;
2228 }
2229
1da177e4 2230 /* Validate handle. */
c7bc4cae 2231 if (handle < req->num_outstanding_cmds) {
2afa19a9 2232 sp = req->outstanding_cmds[handle];
c7bc4cae
CD		 2233 if (!sp) {
2234 ql_dbg(ql_dbg_io, vha, 0x3075,
2235 "%s(%ld): Already returned command for status handle (0x%x).\n",
2236 __func__, vha->host_no, sts->handle);
2237 return;
2238 }
2239 } else {
cfb0919c 2240 ql_dbg(ql_dbg_io, vha, 0x3017,
c7bc4cae
CD		 2241 "Invalid status handle, out of range (0x%x).\n",
2242 sts->handle);
1da177e4 2243
acd3ce88
CD		 2244 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2245 if (IS_P3P_TYPE(ha))
2246 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2247 else
2248 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2249 qla2xxx_wake_dpc(vha);
2250 }
1da177e4
LT		 2251 return;
2252 }
a9b6f722
SK		 2253
2254 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2255 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2256 return;
2257 }
2258
faef62d1
AB		 2259 /* Task Management completion. */
2260 if (sp->type == SRB_TM_CMD) {
2261 qla24xx_tm_iocb_entry(vha, req, pkt);
2262 return;
2263 }
2264
a9b6f722
SK		 2265 /* Fast path completion. */
2266 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2267 qla2x00_process_completed_request(vha, req, handle);
2268
2269 return;
2270 }
2271
2272 req->outstanding_cmds[handle] = NULL;
9ba56b95 2273 cp = GET_CMD_SP(sp);
1da177e4 2274 if (cp == NULL) {
cfb0919c 2275 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2276 "Command already returned (0x%x/%p).\n",
2277 sts->handle, sp);
1da177e4
LT		 2278
2279 return;
2280 }
2281
8ae6d9c7 2282 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2283
bdf79621 2284 fcport = sp->fcport;
1da177e4 2285
b7d2280c 2286 ox_id = 0;
5544213b
AV		 2287 sense_len = par_sense_len = rsp_info_len = resid_len =
2288 fw_resid_len = 0;
e428924c 2289 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2290 if (scsi_status & SS_SENSE_LEN_VALID)
2291 sense_len = le32_to_cpu(sts24->sense_len);
2292 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2293 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2294 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2295 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2296 if (comp_status == CS_DATA_UNDERRUN)
2297 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2298 rsp_info = sts24->data;
2299 sense_data = sts24->data;
2300 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2301 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2302 par_sense_len = sizeof(sts24->data);
e05fe292
CD		 2303 /* Valid values of the retry delay timer are 0x1-0xffef */
2304 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2305 retry_delay = sts24->retry_delay;
9a853f71 2306 } else {
0f00a206
LC		 2307 if (scsi_status & SS_SENSE_LEN_VALID)
2308 sense_len = le16_to_cpu(sts->req_sense_length);
2309 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2310 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2311 resid_len = le32_to_cpu(sts->residual_length);
2312 rsp_info = sts->rsp_info;
2313 sense_data = sts->req_sense_data;
5544213b 2314 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2315 }
2316
1da177e4
LT		 2317 /* Check for any FCP transport errors. */
2318 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2319 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2320 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2321 sense_data += rsp_info_len;
5544213b
AV		 2322 par_sense_len -= rsp_info_len;
2323 }
9a853f71 2324 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2325 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2326 "FCP I/O protocol failure (0x%x/0x%x).\n",
2327 rsp_info_len, rsp_info[3]);
1da177e4 2328
9ba56b95 2329 res = DID_BUS_BUSY << 16;
b7d2280c 2330 goto out;
1da177e4
LT		 2331 }
2332 }
2333
3e8ce320
AV		 2334 /* Check for overrun. */
2335 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2336 scsi_status & SS_RESIDUAL_OVER)
2337 comp_status = CS_DATA_OVERRUN;
2338
e05fe292
CD		 2339 /*
2340 * Check retry_delay_timer value if we receive a busy or
2341 * queue full.
2342 */
2343 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2344 lscsi_status == SAM_STAT_BUSY)
2345 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2346
1da177e4
LT		 2347 /*
2348 * Based on Host and scsi status generate status code for Linux
2349 */
2350 switch (comp_status) {
2351 case CS_COMPLETE:
df7baa50 2352 case CS_QUEUE_FULL:
1da177e4 2353 if (scsi_status == 0) {
9ba56b95 2354 res = DID_OK << 16;
1da177e4
LT		 2355 break;
2356 }
2357 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2358 resid = resid_len;
385d70b4 2359 scsi_set_resid(cp, resid);
0da69df1
AV		 2360
2361 if (!lscsi_status &&
385d70b4 2362 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2363 cp->underflow)) {
5e19ed90 2364 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2365 "Mid-layer underflow "
b7d2280c 2366 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2367 resid, scsi_bufflen(cp));
0da69df1 2368
9ba56b95 2369 res = DID_ERROR << 16;
0da69df1
AV		 2370 break;
2371 }
1da177e4 2372 }
9ba56b95 2373 res = DID_OK << 16 | lscsi_status;
1da177e4 2374
df7baa50 2375 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2376 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2377 "QUEUE FULL detected.\n");
df7baa50
AV		 2378 break;
2379 }
b7d2280c 2380 logit = 0;
1da177e4
LT		 2381 if (lscsi_status != SS_CHECK_CONDITION)
2382 break;
2383
b80ca4f7 2384 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2385 if (!(scsi_status & SS_SENSE_LEN_VALID))
2386 break;
2387
5544213b 2388 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2389 rsp, res);
1da177e4
LT		 2390 break;
2391
2392 case CS_DATA_UNDERRUN:
ed17c71b 2393 /* Use F/W calculated residual length. */
0f00a206
LC		 2394 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2395 scsi_set_resid(cp, resid);
2396 if (scsi_status & SS_RESIDUAL_UNDER) {
2397 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2398 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2399 "Dropped frame(s) detected "
2400 "(0x%x of 0x%x bytes).\n",
2401 resid, scsi_bufflen(cp));
0f00a206 2402
9ba56b95 2403 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2404 goto check_scsi_status;
6acf8190 2405 }
ed17c71b 2406
0f00a206
LC		 2407 if (!lscsi_status &&
2408 ((unsigned)(scsi_bufflen(cp) - resid) <
2409 cp->underflow)) {
5e19ed90 2410 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2411 "Mid-layer underflow "
b7d2280c 2412 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2413 resid, scsi_bufflen(cp));
e038a1be 2414
9ba56b95 2415 res = DID_ERROR << 16;
0f00a206
LC		 2416 break;
2417 }
4aee5766
GM		 2418 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2419 lscsi_status != SAM_STAT_BUSY) {
2420 /*
2421 * scsi status of task set and busy are considered to be
2422 * task not completed.
2423 */
2424
5e19ed90 2425 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2426 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2427 "of 0x%x bytes).\n", resid,
2428 scsi_bufflen(cp));
0f00a206 2429
9ba56b95 2430 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2431 goto check_scsi_status;
4aee5766
GM		 2432 } else {
2433 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2434 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2435 scsi_status, lscsi_status);
1da177e4
LT		 2436 }
2437
9ba56b95 2438 res = DID_OK << 16 | lscsi_status;
b7d2280c 2439 logit = 0;
0f00a206 2440
0374f55e 2441check_scsi_status:
1da177e4 2442 /*
fa2a1ce5 2443 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2444 * Status.
2445 */
2446 if (lscsi_status != 0) {
ffec28a3 2447 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2448 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2449 "QUEUE FULL detected.\n");
b7d2280c 2450 logit = 1;
ffec28a3
AV		 2451 break;
2452 }
1da177e4
LT		 2453 if (lscsi_status != SS_CHECK_CONDITION)
2454 break;
2455
b80ca4f7 2456 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2457 if (!(scsi_status & SS_SENSE_LEN_VALID))
2458 break;
2459
5544213b 2460 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2461 sense_len, rsp, res);
1da177e4
LT		 2462 }
2463 break;
2464
1da177e4 2465 case CS_PORT_LOGGED_OUT:
726b8548 2466 no_logout = 1;
1da177e4
LT		 2467 case CS_PORT_CONFIG_CHG:
2468 case CS_PORT_BUSY:
2469 case CS_INCOMPLETE:
2470 case CS_PORT_UNAVAILABLE:
b7d2280c 2471 case CS_TIMEOUT:
ff454b01
CD		 2472 case CS_RESET:
2473
056a4483
MC		 2474 /*
2475 * We are going to have the fc class block the rport
2476 * while we try to recover so instruct the mid layer
2477 * to requeue until the class decides how to handle this.
2478 */
9ba56b95 2479 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2480
2481 if (comp_status == CS_TIMEOUT) {
2482 if (IS_FWI2_CAPABLE(ha))
2483 break;
2484 else if ((le16_to_cpu(sts->status_flags) &
2485 SF_LOGOUT_SENT) == 0)
2486 break;
2487 }
2488
726b8548
QT		 2489 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2490 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2491 "Port to be marked lost on fcport=%02x%02x%02x, current "
2492 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2493 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2494 port_state_str[atomic_read(&fcport->state)],
2495 comp_status);
2496
2497 if (no_logout)
2498 fcport->logout_on_delete = 0;
b7d2280c 2499
e315cd28 2500 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
726b8548
QT		 2501 qlt_schedule_sess_for_deletion_lock(fcport);
2502 }
2503
1da177e4
LT		 2504 break;
2505
1da177e4 2506 case CS_ABORTED:
9ba56b95 2507 res = DID_RESET << 16;
1da177e4 2508 break;
bad75002
AE		 2509
2510 case CS_DIF_ERROR:
8cb2049c 2511 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2512 res = cp->result;
bad75002 2513 break;
9e522cd8
AE		 2514
2515 case CS_TRANSPORT:
2516 res = DID_ERROR << 16;
2517
2518 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2519 break;
2520
2521 if (state_flags & BIT_4)
2522 scmd_printk(KERN_WARNING, cp,
2523 "Unsupported device '%s' found.\n",
2524 cp->device->vendor);
2525 break;
2526
1da177e4 2527 default:
9ba56b95 2528 res = DID_ERROR << 16;
1da177e4
LT		 2529 break;
2530 }
2531
b7d2280c
AV		 2532out:
2533 if (logit)
5e19ed90 2534 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
9cb78c16 2535 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
7b833558 2536 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
c7bc4cae 2537 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
9ba56b95 2538 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2539 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2540 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2541 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
c7bc4cae 2542 resid_len, fw_resid_len, sp, cp);
b7d2280c 2543
2afa19a9 2544 if (rsp->status_srb == NULL)
25ff6af1 2545 sp->done(sp, res);
1da177e4
LT		 2546}
2547
2548/**
2549 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2550 * @ha: SCSI driver HA context
2551 * @pkt: Entry pointer
2552 *
2553 * Extended sense data.
2554 */
2555static void
2afa19a9 2556qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2557{
9ba56b95 2558 uint8_t sense_sz = 0;
2afa19a9 2559 struct qla_hw_data *ha = rsp->hw;
7c3df132 2560 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2561 srb_t *sp = rsp->status_srb;
1da177e4 2562 struct scsi_cmnd *cp;
9ba56b95
GM		 2563 uint32_t sense_len;
2564 uint8_t *sense_ptr;
1da177e4 2565
9ba56b95
GM		 2566 if (!sp || !GET_CMD_SENSE_LEN(sp))
2567 return;
1da177e4 2568
9ba56b95
GM		 2569 sense_len = GET_CMD_SENSE_LEN(sp);
2570 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2571
9ba56b95
GM		 2572 cp = GET_CMD_SP(sp);
2573 if (cp == NULL) {
2574 ql_log(ql_log_warn, vha, 0x3025,
2575 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2576
9ba56b95
GM		 2577 rsp->status_srb = NULL;
2578 return;
1da177e4 2579 }
1da177e4 2580
9ba56b95
GM		 2581 if (sense_len > sizeof(pkt->data))
2582 sense_sz = sizeof(pkt->data);
2583 else
2584 sense_sz = sense_len;
c4631191 2585
9ba56b95
GM		 2586 /* Move sense data. */
2587 if (IS_FWI2_CAPABLE(ha))
2588 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2589 memcpy(sense_ptr, pkt->data, sense_sz);
2590 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2591 sense_ptr, sense_sz);
c4631191 2592
9ba56b95
GM		 2593 sense_len -= sense_sz;
2594 sense_ptr += sense_sz;
c4631191 2595
9ba56b95
GM		 2596 SET_CMD_SENSE_PTR(sp, sense_ptr);
2597 SET_CMD_SENSE_LEN(sp, sense_len);
2598
2599 /* Place command on done queue. */
2600 if (sense_len == 0) {
2601 rsp->status_srb = NULL;
25ff6af1 2602 sp->done(sp, cp->result);
c4631191 2603 }
c4631191
GM		 2604}
2605
1da177e4
LT		 2606/**
2607 * qla2x00_error_entry() - Process an error entry.
2608 * @ha: SCSI driver HA context
2609 * @pkt: Entry pointer
2610 */
2611static void
73208dfd 2612qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2613{
2614 srb_t *sp;
e315cd28 2615 struct qla_hw_data *ha = vha->hw;
c4631191 2616 const char func[] = "ERROR-IOCB";
2afa19a9 2617 uint16_t que = MSW(pkt->handle);
a6fe35c0 2618 struct req_que *req = NULL;
9ba56b95 2619 int res = DID_ERROR << 16;
7c3df132 2620
9ba56b95
GM		 2621 ql_dbg(ql_dbg_async, vha, 0x502a,
2622 "type of error status in response: 0x%x\n", pkt->entry_status);
2623
a6fe35c0
AE		 2624 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2625 goto fatal;
2626
2627 req = ha->req_q_map[que];
2628
9ba56b95
GM		 2629 if (pkt->entry_status & RF_BUSY)
2630 res = DID_BUS_BUSY << 16;
1da177e4 2631
4f060736
QT		 2632 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2633 pkt->handle == QLA_TGT_SKIP_HANDLE)
2634 return;
2635
c4631191 2636 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2637 if (sp) {
25ff6af1 2638 sp->done(sp, res);
a6fe35c0 2639 return;
1da177e4 2640 }
a6fe35c0
AE		 2641fatal:
2642 ql_log(ql_log_warn, vha, 0x5030,
fd49a540 2643 "Error entry - invalid handle/queue (%04x).\n", que);
1da177e4
LT		 2644}
2645
9a853f71
AV		 2646/**
2647 * qla24xx_mbx_completion() - Process mailbox command completions.
2648 * @ha: SCSI driver HA context
2649 * @mb0: Mailbox0 register
2650 */
2651static void
e315cd28 2652qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2653{
2654 uint16_t cnt;
4fa94f83 2655 uint32_t mboxes;
9a853f71 2656 uint16_t __iomem *wptr;
e315cd28 2657 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2658 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2659
4fa94f83
AV		 2660 /* Read all mbox registers? */
2661 mboxes = (1 << ha->mbx_count) - 1;
2662 if (!ha->mcp)
a720101d 2663 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2664 else
2665 mboxes = ha->mcp->in_mb;
2666
9a853f71
AV		 2667 /* Load return mailbox registers. */
2668 ha->flags.mbox_int = 1;
2669 ha->mailbox_out[0] = mb0;
4fa94f83 2670 mboxes >>= 1;
9a853f71
AV		 2671 wptr = (uint16_t __iomem *)&reg->mailbox1;
2672
2673 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2674 if (mboxes & BIT_0)
2675 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2676
2677 mboxes >>= 1;
9a853f71
AV		 2678 wptr++;
2679 }
9a853f71
AV		 2680}
2681
4440e46d
AB		 2682static void
2683qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2684 struct abort_entry_24xx *pkt)
2685{
2686 const char func[] = "ABT_IOCB";
2687 srb_t *sp;
2688 struct srb_iocb *abt;
2689
2690 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2691 if (!sp)
2692 return;
2693
2694 abt = &sp->u.iocb_cmd;
2695 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
25ff6af1 2696 sp->done(sp, 0);
4440e46d
AB		 2697}
2698
9a853f71
AV		 2699/**
2700 * qla24xx_process_response_queue() - Process response queue entries.
2701 * @ha: SCSI driver HA context
2702 */
2afa19a9
AC		 2703void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2704 struct rsp_que *rsp)
9a853f71 2705{
9a853f71 2706 struct sts_entry_24xx *pkt;
a9083016 2707 struct qla_hw_data *ha = vha->hw;
9a853f71 2708
e315cd28 2709 if (!vha->flags.online)
9a853f71
AV		 2710 return;
2711
e315cd28
AC		 2712 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2713 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2714
e315cd28
AC		 2715 rsp->ring_index++;
2716 if (rsp->ring_index == rsp->length) {
2717 rsp->ring_index = 0;
2718 rsp->ring_ptr = rsp->ring;
9a853f71 2719 } else {
e315cd28 2720 rsp->ring_ptr++;
9a853f71
AV		 2721 }
2722
2723 if (pkt->entry_status != 0) {
73208dfd 2724 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103 2725
f83adb61
QT		 2726 if (qlt_24xx_process_response_error(vha, pkt))
2727 goto process_err;
2d70c103 2728
9a853f71
AV		 2729 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2730 wmb();
2731 continue;
2732 }
f83adb61 2733process_err:
9a853f71
AV		 2734
2735 switch (pkt->entry_type) {
2736 case STATUS_TYPE:
73208dfd 2737 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2738 break;
2739 case STATUS_CONT_TYPE:
2afa19a9 2740 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2741 break;
2c3dfe3f 2742 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2743 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2744 (struct vp_rpt_id_entry_24xx *)pkt);
2745 break;
ac280b67
AV		 2746 case LOGINOUT_PORT_IOCB_TYPE:
2747 qla24xx_logio_entry(vha, rsp->req,
2748 (struct logio_entry_24xx *)pkt);
2749 break;
f83adb61 2750 case CT_IOCB_TYPE:
9a069e19 2751 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2752 break;
f83adb61 2753 case ELS_IOCB_TYPE:
9a069e19
GM		 2754 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2755 break;
2d70c103 2756 case ABTS_RECV_24XX:
2f424b9b
QT		 2757 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2758 /* ensure that the ATIO queue is empty */
2759 qlt_handle_abts_recv(vha, (response_t *)pkt);
2760 break;
2761 } else {
2762 /* drop through */
2763 qlt_24xx_process_atio_queue(vha, 1);
2764 }
2d70c103
NB		 2765 case ABTS_RESP_24XX:
2766 case CTIO_TYPE7:
f83adb61 2767 case CTIO_CRC2:
2d70c103
NB		 2768 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2769 break;
726b8548
QT		 2770 case NOTIFY_ACK_TYPE:
2771 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
2772 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2773 else
2774 qla24xxx_nack_iocb_entry(vha, rsp->req,
2775 (struct nack_to_isp *)pkt);
2776 break;
54883291
SK		 2777 case MARKER_TYPE:
2778 /* Do nothing in this case, this check is to prevent it
2779 * from falling into default case
2780 */
2781 break;
4440e46d
AB		 2782 case ABORT_IOCB_TYPE:
2783 qla24xx_abort_iocb_entry(vha, rsp->req,
2784 (struct abort_entry_24xx *)pkt);
2785 break;
726b8548
QT		 2786 case MBX_IOCB_TYPE:
2787 qla24xx_mbx_iocb_entry(vha, rsp->req,
2788 (struct mbx_24xx_entry *)pkt);
2789 break;
9a853f71
AV		 2790 default:
2791 /* Type Not Supported. */
7c3df132
SK		 2792 ql_dbg(ql_dbg_async, vha, 0x5042,
2793 "Received unknown response pkt type %x "
9a853f71 2794 "entry status=%x.\n",
7c3df132 2795 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2796 break;
2797 }
2798 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2799 wmb();
2800 }
2801
2802 /* Adjust ring index */
7ec0effd 2803 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2804 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2805 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
726b8548 2806 } else {
a9083016 2807 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
726b8548 2808 }
9a853f71
AV		 2809}
2810
05236a05 2811static void
e315cd28 2812qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2813{
2814 int rval;
2815 uint32_t cnt;
e315cd28 2816 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2817 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2818
f73cb695
CD		 2819 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2820 !IS_QLA27XX(ha))
05236a05
AV		 2821 return;
2822
2823 rval = QLA_SUCCESS;
2824 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2825 RD_REG_DWORD(&reg->iobase_addr);
2826 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2827 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2828 rval == QLA_SUCCESS; cnt--) {
2829 if (cnt) {
2830 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2831 udelay(10);
2832 } else
2833 rval = QLA_FUNCTION_TIMEOUT;
2834 }
2835 if (rval == QLA_SUCCESS)
2836 goto next_test;
2837
b2ec76c5 2838 rval = QLA_SUCCESS;
05236a05
AV		 2839 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2840 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2841 rval == QLA_SUCCESS; cnt--) {
2842 if (cnt) {
2843 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2844 udelay(10);
2845 } else
2846 rval = QLA_FUNCTION_TIMEOUT;
2847 }
2848 if (rval != QLA_SUCCESS)
2849 goto done;
2850
2851next_test:
2852 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2853 ql_log(ql_log_info, vha, 0x504c,
2854 "Additional code -- 0x55AA.\n");
05236a05
AV		 2855
2856done:
2857 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2858 RD_REG_DWORD(&reg->iobase_window);
2859}
2860
9a853f71 2861/**
6246b8a1 2862 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2863 * @irq:
2864 * @dev_id: SCSI driver HA context
9a853f71
AV		 2865 *
2866 * Called by system whenever the host adapter generates an interrupt.
2867 *
2868 * Returns handled flag.
2869 */
2870irqreturn_t
7d12e780 2871qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2872{
e315cd28
AC		 2873 scsi_qla_host_t *vha;
2874 struct qla_hw_data *ha;
9a853f71
AV		 2875 struct device_reg_24xx __iomem *reg;
2876 int status;
9a853f71
AV		 2877 unsigned long iter;
2878 uint32_t stat;
2879 uint32_t hccr;
7d613ac6 2880 uint16_t mb[8];
e315cd28 2881 struct rsp_que *rsp;
43fac4d9 2882 unsigned long flags;
9a853f71 2883
e315cd28
AC		 2884 rsp = (struct rsp_que *) dev_id;
2885 if (!rsp) {
3256b435
CD		 2886 ql_log(ql_log_info, NULL, 0x5059,
2887 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2888 return IRQ_NONE;
2889 }
2890
e315cd28 2891 ha = rsp->hw;
9a853f71
AV		 2892 reg = &ha->iobase->isp24;
2893 status = 0;
2894
85880801
AV		 2895 if (unlikely(pci_channel_offline(ha->pdev)))
2896 return IRQ_HANDLED;
2897
43fac4d9 2898 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2899 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2900 for (iter = 50; iter--; ) {
2901 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2902 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2903 break;
9a853f71 2904 if (stat & HSRX_RISC_PAUSED) {
85880801 2905 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2906 break;
2907
9a853f71
AV		 2908 hccr = RD_REG_DWORD(&reg->hccr);
2909
7c3df132
SK		 2910 ql_log(ql_log_warn, vha, 0x504b,
2911 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2912 hccr);
05236a05 2913
e315cd28 2914 qla2xxx_check_risc_status(vha);
05236a05 2915
e315cd28
AC		 2916 ha->isp_ops->fw_dump(vha, 1);
2917 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2918 break;
2919 } else if ((stat & HSRX_RISC_INT) == 0)
2920 break;
2921
2922 switch (stat & 0xff) {
fafbda9f
AE		 2923 case INTR_ROM_MB_SUCCESS:
2924 case INTR_ROM_MB_FAILED:
2925 case INTR_MB_SUCCESS:
2926 case INTR_MB_FAILED:
e315cd28 2927 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2928 status |= MBX_INTERRUPT;
2929
2930 break;
fafbda9f 2931 case INTR_ASYNC_EVENT:
9a853f71
AV		 2932 mb[0] = MSW(stat);
2933 mb[1] = RD_REG_WORD(&reg->mailbox1);
2934 mb[2] = RD_REG_WORD(&reg->mailbox2);
2935 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2936 qla2x00_async_event(vha, rsp, mb);
9a853f71 2937 break;
fafbda9f
AE		 2938 case INTR_RSP_QUE_UPDATE:
2939 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2940 qla24xx_process_response_queue(vha, rsp);
9a853f71 2941 break;
2f424b9b
QT		 2942 case INTR_ATIO_QUE_UPDATE:{
2943 unsigned long flags2;
2944 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2945 qlt_24xx_process_atio_queue(vha, 1);
2946 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 2947 break;
2f424b9b
QT		 2948 }
2949 case INTR_ATIO_RSP_QUE_UPDATE: {
2950 unsigned long flags2;
2951 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2952 qlt_24xx_process_atio_queue(vha, 1);
2953 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2954
2d70c103
NB		 2955 qla24xx_process_response_queue(vha, rsp);
2956 break;
2f424b9b 2957 }
9a853f71 2958 default:
7c3df132
SK		 2959 ql_dbg(ql_dbg_async, vha, 0x504f,
2960 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2961 break;
2962 }
2963 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2964 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2965 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2966 ndelay(3500);
9a853f71 2967 }
36439832 2968 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2969 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2970
9a853f71
AV		 2971 return IRQ_HANDLED;
2972}
2973
a8488abe
AV		 2974static irqreturn_t
2975qla24xx_msix_rsp_q(int irq, void *dev_id)
2976{
e315cd28
AC		 2977 struct qla_hw_data *ha;
2978 struct rsp_que *rsp;
a8488abe 2979 struct device_reg_24xx __iomem *reg;
2afa19a9 2980 struct scsi_qla_host *vha;
0f19bc68 2981 unsigned long flags;
f3ddac19 2982 uint32_t stat = 0;
a8488abe 2983
e315cd28
AC		 2984 rsp = (struct rsp_que *) dev_id;
2985 if (!rsp) {
3256b435
CD		 2986 ql_log(ql_log_info, NULL, 0x505a,
2987 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2988 return IRQ_NONE;
2989 }
2990 ha = rsp->hw;
a8488abe
AV		 2991 reg = &ha->iobase->isp24;
2992
0f19bc68 2993 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2994
a67093d4 2995 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2996 /*
2997 * Use host_status register to check to PCI disconnection before we
2998 * we process the response queue.
2999 */
3000 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 3001 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 3002 goto out;
2afa19a9 3003 qla24xx_process_response_queue(vha, rsp);
3155754a 3004 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 3005 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3006 RD_REG_DWORD_RELAXED(&reg->hccr);
3007 }
f3ddac19 3008out:
0f19bc68 3009 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 3010
3011 return IRQ_HANDLED;
3012}
3013
3014static irqreturn_t
3015qla24xx_msix_default(int irq, void *dev_id)
3016{
e315cd28
AC		 3017 scsi_qla_host_t *vha;
3018 struct qla_hw_data *ha;
3019 struct rsp_que *rsp;
a8488abe
AV		 3020 struct device_reg_24xx __iomem *reg;
3021 int status;
a8488abe
AV		 3022 uint32_t stat;
3023 uint32_t hccr;
7d613ac6 3024 uint16_t mb[8];
0f19bc68 3025 unsigned long flags;
a8488abe 3026
e315cd28
AC		 3027 rsp = (struct rsp_que *) dev_id;
3028 if (!rsp) {
3256b435
CD		 3029 ql_log(ql_log_info, NULL, 0x505c,
3030 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 3031 return IRQ_NONE;
3032 }
3033 ha = rsp->hw;
a8488abe
AV		 3034 reg = &ha->iobase->isp24;
3035 status = 0;
3036
0f19bc68 3037 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 3038 vha = pci_get_drvdata(ha->pdev);
87f27015 3039 do {
a8488abe 3040 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 3041 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 3042 break;
a8488abe 3043 if (stat & HSRX_RISC_PAUSED) {
85880801 3044 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 3045 break;
3046
a8488abe
AV		 3047 hccr = RD_REG_DWORD(&reg->hccr);
3048
7c3df132
SK		 3049 ql_log(ql_log_info, vha, 0x5050,
3050 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3051 hccr);
05236a05 3052
e315cd28 3053 qla2xxx_check_risc_status(vha);
05236a05 3054
e315cd28
AC		 3055 ha->isp_ops->fw_dump(vha, 1);
3056 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 3057 break;
3058 } else if ((stat & HSRX_RISC_INT) == 0)
3059 break;
3060
3061 switch (stat & 0xff) {
fafbda9f
AE		 3062 case INTR_ROM_MB_SUCCESS:
3063 case INTR_ROM_MB_FAILED:
3064 case INTR_MB_SUCCESS:
3065 case INTR_MB_FAILED:
e315cd28 3066 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 3067 status |= MBX_INTERRUPT;
3068
3069 break;
fafbda9f 3070 case INTR_ASYNC_EVENT:
a8488abe
AV		 3071 mb[0] = MSW(stat);
3072 mb[1] = RD_REG_WORD(&reg->mailbox1);
3073 mb[2] = RD_REG_WORD(&reg->mailbox2);
3074 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 3075 qla2x00_async_event(vha, rsp, mb);
a8488abe 3076 break;
fafbda9f
AE		 3077 case INTR_RSP_QUE_UPDATE:
3078 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 3079 qla24xx_process_response_queue(vha, rsp);
a8488abe 3080 break;
2f424b9b
QT		 3081 case INTR_ATIO_QUE_UPDATE:{
3082 unsigned long flags2;
3083 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3084 qlt_24xx_process_atio_queue(vha, 1);
3085 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 3086 break;
2f424b9b
QT		 3087 }
3088 case INTR_ATIO_RSP_QUE_UPDATE: {
3089 unsigned long flags2;
3090 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3091 qlt_24xx_process_atio_queue(vha, 1);
3092 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3093
2d70c103
NB		 3094 qla24xx_process_response_queue(vha, rsp);
3095 break;
2f424b9b 3096 }
a8488abe 3097 default:
7c3df132
SK		 3098 ql_dbg(ql_dbg_async, vha, 0x5051,
3099 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 3100 break;
3101 }
3102 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 3103 } while (0);
36439832 3104 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 3105 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 3106
a8488abe
AV		 3107 return IRQ_HANDLED;
3108}
3109
d7459527
MH		 3110irqreturn_t
3111qla2xxx_msix_rsp_q(int irq, void *dev_id)
3112{
3113 struct qla_hw_data *ha;
3114 struct qla_qpair *qpair;
3115 struct device_reg_24xx __iomem *reg;
3116 unsigned long flags;
3117
3118 qpair = dev_id;
3119 if (!qpair) {
3120 ql_log(ql_log_info, NULL, 0x505b,
3121 "%s: NULL response queue pointer.\n", __func__);
3122 return IRQ_NONE;
3123 }
3124 ha = qpair->hw;
3125
3126 /* Clear the interrupt, if enabled, for this response queue */
3127 if (unlikely(!ha->flags.disable_msix_handshake)) {
3128 reg = &ha->iobase->isp24;
3129 spin_lock_irqsave(&ha->hardware_lock, flags);
3130 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3131 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3132 }
3133
3134 queue_work(ha->wq, &qpair->q_work);
3135
3136 return IRQ_HANDLED;
3137}
3138
a8488abe
AV		 3139/* Interrupt handling helpers. */
3140
3141struct qla_init_msix_entry {
a8488abe 3142 const char *name;
476834c2 3143 irq_handler_t handler;
a8488abe
AV		 3144};
3145
44a8f954 3146static const struct qla_init_msix_entry msix_entries[] = {
2afa19a9
AC		 3147 { "qla2xxx (default)", qla24xx_msix_default },
3148 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
093df737 3149 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
d7459527 3150 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
a8488abe
AV		 3151};
3152
44a8f954 3153static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
a9083016
GM		 3154 { "qla2xxx (default)", qla82xx_msix_default },
3155 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3156};
3157
a8488abe 3158static int
73208dfd 3159qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 3160{
3161 int i, ret;
a8488abe 3162 struct qla_msix_entry *qentry;
7c3df132 3163 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
67f2db87 3164 int min_vecs = QLA_BASE_VECTORS;
17e5fc58
CH		 3165 struct irq_affinity desc = {
3166 .pre_vectors = QLA_BASE_VECTORS,
3167 };
3168
67f2db87 3169 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
17e5fc58 3170 desc.pre_vectors++;
67f2db87
MH		 3171 min_vecs++;
3172 }
17e5fc58 3173
67f2db87 3174 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
17e5fc58
CH		 3175 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3176 &desc);
73208dfd 3177
84e32a06
AG		 3178 if (ret < 0) {
3179 ql_log(ql_log_fatal, vha, 0x00c7,
3180 "MSI-X: Failed to enable support, "
3181 "giving up -- %d/%d.\n",
3182 ha->msix_count, ret);
3183 goto msix_out;
3184 } else if (ret < ha->msix_count) {
7c3df132
SK		 3185 ql_log(ql_log_warn, vha, 0x00c6,
3186 "MSI-X: Failed to enable support "
d7459527
MH		 3187 "with %d vectors, using %d vectors.\n",
3188 ha->msix_count, ret);
cb43285f 3189 ha->msix_count = ret;
d7459527
MH		 3190 /* Recalculate queue values */
3191 if (ha->mqiobase && ql2xmqsupport) {
3192 ha->max_req_queues = ha->msix_count - 1;
3193
3194 /* ATIOQ needs 1 vector. That's 1 less QPair */
3195 if (QLA_TGT_MODE_ENABLED())
3196 ha->max_req_queues--;
3197
3198 ha->max_rsp_queues = ha->max_req_queues;
3199
3200 ha->max_qpairs = ha->max_req_queues - 1;
3201 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3202 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3203 }
73208dfd
AC		 3204 }
3205 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3206 ha->msix_count, GFP_KERNEL);
3207 if (!ha->msix_entries) {
7c3df132
SK		 3208 ql_log(ql_log_fatal, vha, 0x00c8,
3209 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 3210 ret = -ENOMEM;
a8488abe
AV		 3211 goto msix_out;
3212 }
3213 ha->flags.msix_enabled = 1;
3214
73208dfd
AC		 3215 for (i = 0; i < ha->msix_count; i++) {
3216 qentry = &ha->msix_entries[i];
4fa18345
MH		 3217 qentry->vector = pci_irq_vector(ha->pdev, i);
3218 qentry->entry = i;
a8488abe 3219 qentry->have_irq = 0;
d7459527 3220 qentry->in_use = 0;
4fa18345 3221 qentry->handle = NULL;
a8488abe
AV		 3222 }
3223
2afa19a9 3224 /* Enable MSI-X vectors for the base queue */
17e5fc58 3225 for (i = 0; i < QLA_BASE_VECTORS; i++) {
2afa19a9 3226 qentry = &ha->msix_entries[i];
4fa18345 3227 qentry->handle = rsp;
ef8d1d51 3228 rsp->msix = qentry;
d7459527 3229 scnprintf(qentry->name, sizeof(qentry->name),
e2e8f619 3230 "%s", msix_entries[i].name);
f324777e 3231 if (IS_P3P_TYPE(ha))
a9083016
GM		 3232 ret = request_irq(qentry->vector,
3233 qla82xx_msix_entries[i].handler,
3234 0, qla82xx_msix_entries[i].name, rsp);
f324777e 3235 else
a9083016
GM		 3236 ret = request_irq(qentry->vector,
3237 msix_entries[i].handler,
3238 0, msix_entries[i].name, rsp);
f324777e
CD		 3239 if (ret)
3240 goto msix_register_fail;
3241 qentry->have_irq = 1;
093df737 3242 qentry->in_use = 1;
f324777e
CD		 3243 }
3244
3245 /*
3246 * If target mode is enable, also request the vector for the ATIO
3247 * queue.
3248 */
3249 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
093df737 3250 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
ef8d1d51 3251 rsp->msix = qentry;
d7459527
MH		 3252 qentry->handle = rsp;
3253 scnprintf(qentry->name, sizeof(qentry->name),
e2e8f619 3254 "%s", msix_entries[QLA_ATIO_VECTOR].name);
093df737 3255 qentry->in_use = 1;
f324777e 3256 ret = request_irq(qentry->vector,
093df737
QT		 3257 msix_entries[QLA_ATIO_VECTOR].handler,
3258 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
2afa19a9 3259 qentry->have_irq = 1;
73208dfd 3260 }
73208dfd 3261
f324777e
CD		 3262msix_register_fail:
3263 if (ret) {
3264 ql_log(ql_log_fatal, vha, 0x00cb,
3265 "MSI-X: unable to register handler -- %x/%d.\n",
3266 qentry->vector, ret);
4fa18345 3267 qla2x00_free_irqs(vha);
f324777e
CD		 3268 ha->mqenable = 0;
3269 goto msix_out;
3270 }
3271
73208dfd 3272 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 3273 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1 3274 if (ha->msixbase && ha->mqiobase &&
d7459527
MH		 3275 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3276 ql2xmqsupport))
6246b8a1
GM		 3277 ha->mqenable = 1;
3278 } else
d7459527
MH		 3279 if (ha->mqiobase &&
3280 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3281 ql2xmqsupport))
6246b8a1 3282 ha->mqenable = 1;
7c3df132
SK		 3283 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3284 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3285 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3286 ql_dbg(ql_dbg_init, vha, 0x0055,
3287 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3288 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3289
a8488abe
AV		 3290msix_out:
3291 return ret;
3292}
3293
3294int
73208dfd 3295qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3296{
7fa3e239 3297 int ret = QLA_FUNCTION_FAILED;
f73cb695 3298 device_reg_t *reg = ha->iobase;
7c3df132 3299 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3300
3301 /* If possible, enable MSI-X. */
6246b8a1 3302 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3303 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3304 !IS_QLA27XX(ha))
6377a7ae
BH		 3305 goto skip_msi;
3306
3307 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3308 (ha->pdev->subsystem_device == 0x7040 ||
3309 ha->pdev->subsystem_device == 0x7041 ||
3310 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3311 ql_log(ql_log_warn, vha, 0x0034,
3312 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3313 ha->pdev->subsystem_vendor,
7c3df132 3314 ha->pdev->subsystem_device);
6377a7ae
BH		 3315 goto skip_msi;
3316 }
a8488abe 3317
42cd4f5d 3318 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3319 ql_log(ql_log_warn, vha, 0x0035,
3320 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3321 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3322 goto skip_msix;
3323 }
3324
73208dfd 3325 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3326 if (!ret) {
7c3df132
SK		 3327 ql_dbg(ql_dbg_init, vha, 0x0036,
3328 "MSI-X: Enabled (0x%X, 0x%X).\n",
3329 ha->chip_revision, ha->fw_attributes);
963b0fdd 3330 goto clear_risc_ints;
a8488abe 3331 }
7fa3e239 3332
a8488abe 3333skip_msix:
cbedb601 3334
7fa3e239
SC		 3335 ql_log(ql_log_info, vha, 0x0037,
3336 "Falling back-to MSI mode -%d.\n", ret);
3337
3a03eb79 3338 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3339 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3340 !IS_QLA27XX(ha))
cbedb601
AV		 3341 goto skip_msi;
3342
4fa18345 3343 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
cbedb601 3344 if (!ret) {
7c3df132
SK		 3345 ql_dbg(ql_dbg_init, vha, 0x0038,
3346 "MSI: Enabled.\n");
cbedb601 3347 ha->flags.msi_enabled = 1;
a9083016 3348 } else
7c3df132 3349 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3350 "Falling back-to INTa mode -- %d.\n", ret);
3351skip_msi:
a033b655
GM		 3352
3353 /* Skip INTx on ISP82xx. */
3354 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3355 return QLA_FUNCTION_FAILED;
3356
fd34f556 3357 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3358 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3359 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3360 if (ret) {
7c3df132 3361 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3362 "Failed to reserve interrupt %d already in use.\n",
3363 ha->pdev->irq);
963b0fdd 3364 goto fail;
8ae6d9c7 3365 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3366 ql_dbg(ql_dbg_init, vha, 0x0125,
3367 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3368 ha->flags.mr_intr_valid = 1;
3369 }
7992abfc 3370
963b0fdd 3371clear_risc_ints:
4bb2efc4
JC		 3372 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3373 goto fail;
963b0fdd 3374
c6952483 3375 spin_lock_irq(&ha->hardware_lock);
4bb2efc4 3376 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3377 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3378
963b0fdd 3379fail:
a8488abe
AV		 3380 return ret;
3381}
3382
3383void
e315cd28 3384qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3385{
e315cd28 3386 struct qla_hw_data *ha = vha->hw;
9a347ff4 3387 struct rsp_que *rsp;
4fa18345
MH		 3388 struct qla_msix_entry *qentry;
3389 int i;
9a347ff4
CD		 3390
3391 /*
3392 * We need to check that ha->rsp_q_map is valid in case we are called
3393 * from a probe failure context.
3394 */
3395 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
27873de9 3396 goto free_irqs;
9a347ff4 3397 rsp = ha->rsp_q_map[0];
a8488abe 3398
4fa18345
MH		 3399 if (ha->flags.msix_enabled) {
3400 for (i = 0; i < ha->msix_count; i++) {
3401 qentry = &ha->msix_entries[i];
3402 if (qentry->have_irq) {
3403 irq_set_affinity_notifier(qentry->vector, NULL);
3404 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3405 }
3406 }
3407 kfree(ha->msix_entries);
3408 ha->msix_entries = NULL;
3409 ha->flags.msix_enabled = 0;
3410 ql_dbg(ql_dbg_init, vha, 0x0042,
3411 "Disabled MSI-X.\n");
3412 } else {
3413 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3414 }
e315cd28 3415
27873de9 3416free_irqs:
4fa18345 3417 pci_free_irq_vectors(ha->pdev);
a8488abe 3418}
73208dfd 3419
d7459527
MH		 3420int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3421 struct qla_msix_entry *msix, int vector_type)
73208dfd 3422{
44a8f954 3423 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
7c3df132 3424 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3425 int ret;
3426
d7459527
MH		 3427 scnprintf(msix->name, sizeof(msix->name),
3428 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3429 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
73208dfd 3430 if (ret) {
7c3df132
SK		 3431 ql_log(ql_log_fatal, vha, 0x00e6,
3432 "MSI-X: Unable to register handler -- %x/%d.\n",
3433 msix->vector, ret);
73208dfd
AC		 3434 return ret;
3435 }
3436 msix->have_irq = 1;
d7459527 3437 msix->handle = qpair;
73208dfd
AC		 3438 return ret;
3439}
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