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[SCSI] qla2xxx: Update ql2xextended_error_logging parameter description with new...
[linux.git] / drivers / scsi / qla2xxx / qla_isr.c
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1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
46152ceb 3 * Copyright (c) 2003-2012 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>
df7baa50 12#include <scsi/scsi_tcq.h>
9a069e19 13#include <scsi/scsi_bsg_fc.h>
bad75002 14#include <scsi/scsi_eh.h>
df7baa50 15
1da177e4 16static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd
AC		 17static void qla2x00_process_completed_request(struct scsi_qla_host *,
18 struct req_que *, uint32_t);
19static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 20static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 21static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
22 sts_entry_t *);
9a853f71 23
1da177e4
LT		 24/**
25 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
26 * @irq:
27 * @dev_id: SCSI driver HA context
1da177e4
LT		 28 *
29 * Called by system whenever the host adapter generates an interrupt.
30 *
31 * Returns handled flag.
32 */
33irqreturn_t
7d12e780 34qla2100_intr_handler(int irq, void *dev_id)
1da177e4 35{
e315cd28
AC		 36 scsi_qla_host_t *vha;
37 struct qla_hw_data *ha;
3d71644c 38 struct device_reg_2xxx __iomem *reg;
1da177e4 39 int status;
1da177e4 40 unsigned long iter;
14e660e6 41 uint16_t hccr;
9a853f71 42 uint16_t mb[4];
e315cd28 43 struct rsp_que *rsp;
43fac4d9 44 unsigned long flags;
1da177e4 45
e315cd28
AC		 46 rsp = (struct rsp_que *) dev_id;
47 if (!rsp) {
3256b435
CD		 48 ql_log(ql_log_info, NULL, 0x505d,
49 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 50 return (IRQ_NONE);
51 }
52
e315cd28 53 ha = rsp->hw;
3d71644c 54 reg = &ha->iobase->isp;
1da177e4
LT		 55 status = 0;
56
43fac4d9 57 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 58 vha = pci_get_drvdata(ha->pdev);
1da177e4 59 for (iter = 50; iter--; ) {
14e660e6
SJ		 60 hccr = RD_REG_WORD(&reg->hccr);
61 if (hccr & HCCR_RISC_PAUSE) {
62 if (pci_channel_offline(ha->pdev))
63 break;
64
65 /*
66 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 67 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 68 * out of the RISC PAUSED state.
69 */
70 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
71 RD_REG_WORD(&reg->hccr);
72
e315cd28
AC		 73 ha->isp_ops->fw_dump(vha, 1);
74 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 75 break;
76 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 77 break;
78
79 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
80 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
81 RD_REG_WORD(&reg->hccr);
82
83 /* Get mailbox data. */
9a853f71
AV		 84 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
85 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 86 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 87 status |= MBX_INTERRUPT;
9a853f71
AV		 88 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
89 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
90 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
91 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 92 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 93 } else {
94 /*EMPTY*/
7c3df132
SK		 95 ql_dbg(ql_dbg_async, vha, 0x5025,
96 "Unrecognized interrupt type (%d).\n",
97 mb[0]);
1da177e4
LT		 98 }
99 /* Release mailbox registers. */
100 WRT_REG_WORD(&reg->semaphore, 0);
101 RD_REG_WORD(&reg->semaphore);
102 } else {
73208dfd 103 qla2x00_process_response_queue(rsp);
1da177e4
LT		 104
105 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
106 RD_REG_WORD(&reg->hccr);
107 }
108 }
43fac4d9 109 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 110
1da177e4
LT		 111 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
112 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
1da177e4 113 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 114 complete(&ha->mbx_intr_comp);
1da177e4
LT		 115 }
116
1da177e4
LT		 117 return (IRQ_HANDLED);
118}
119
120/**
121 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
122 * @irq:
123 * @dev_id: SCSI driver HA context
1da177e4
LT		 124 *
125 * Called by system whenever the host adapter generates an interrupt.
126 *
127 * Returns handled flag.
128 */
129irqreturn_t
7d12e780 130qla2300_intr_handler(int irq, void *dev_id)
1da177e4 131{
e315cd28 132 scsi_qla_host_t *vha;
3d71644c 133 struct device_reg_2xxx __iomem *reg;
1da177e4 134 int status;
1da177e4
LT		 135 unsigned long iter;
136 uint32_t stat;
1da177e4 137 uint16_t hccr;
9a853f71 138 uint16_t mb[4];
e315cd28
AC		 139 struct rsp_que *rsp;
140 struct qla_hw_data *ha;
43fac4d9 141 unsigned long flags;
1da177e4 142
e315cd28
AC		 143 rsp = (struct rsp_que *) dev_id;
144 if (!rsp) {
3256b435
CD		 145 ql_log(ql_log_info, NULL, 0x5058,
146 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 147 return (IRQ_NONE);
148 }
149
e315cd28 150 ha = rsp->hw;
3d71644c 151 reg = &ha->iobase->isp;
1da177e4
LT		 152 status = 0;
153
43fac4d9 154 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 155 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 156 for (iter = 50; iter--; ) {
157 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
158 if (stat & HSR_RISC_PAUSED) {
85880801 159 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 160 break;
161
1da177e4
LT		 162 hccr = RD_REG_WORD(&reg->hccr);
163 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 164 ql_log(ql_log_warn, vha, 0x5026,
165 "Parity error -- HCCR=%x, Dumping "
166 "firmware.\n", hccr);
1da177e4 167 else
7c3df132
SK		 168 ql_log(ql_log_warn, vha, 0x5027,
169 "RISC paused -- HCCR=%x, Dumping "
170 "firmware.\n", hccr);
1da177e4
LT		 171
172 /*
173 * Issue a "HARD" reset in order for the RISC
174 * interrupt bit to be cleared. Schedule a big
a06a0f8e 175 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 176 */
177 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
178 RD_REG_WORD(&reg->hccr);
07f31805 179
e315cd28
AC		 180 ha->isp_ops->fw_dump(vha, 1);
181 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 182 break;
183 } else if ((stat & HSR_RISC_INT) == 0)
184 break;
185
1da177e4 186 switch (stat & 0xff) {
1da177e4
LT		 187 case 0x1:
188 case 0x2:
189 case 0x10:
190 case 0x11:
e315cd28 191 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 192 status |= MBX_INTERRUPT;
193
194 /* Release mailbox registers. */
195 WRT_REG_WORD(&reg->semaphore, 0);
196 break;
197 case 0x12:
9a853f71
AV		 198 mb[0] = MSW(stat);
199 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
200 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
201 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 202 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 203 break;
204 case 0x13:
73208dfd 205 qla2x00_process_response_queue(rsp);
1da177e4
LT		 206 break;
207 case 0x15:
9a853f71
AV		 208 mb[0] = MBA_CMPLT_1_16BIT;
209 mb[1] = MSW(stat);
73208dfd 210 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 211 break;
212 case 0x16:
9a853f71
AV		 213 mb[0] = MBA_SCSI_COMPLETION;
214 mb[1] = MSW(stat);
215 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 216 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 217 break;
218 default:
7c3df132
SK		 219 ql_dbg(ql_dbg_async, vha, 0x5028,
220 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 221 break;
222 }
223 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
224 RD_REG_WORD_RELAXED(&reg->hccr);
225 }
43fac4d9 226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 227
1da177e4
LT		 228 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
229 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
1da177e4 230 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 231 complete(&ha->mbx_intr_comp);
1da177e4
LT		 232 }
233
1da177e4
LT		 234 return (IRQ_HANDLED);
235}
236
237/**
238 * qla2x00_mbx_completion() - Process mailbox command completions.
239 * @ha: SCSI driver HA context
240 * @mb0: Mailbox0 register
241 */
242static void
e315cd28 243qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 244{
245 uint16_t cnt;
4fa94f83 246 uint32_t mboxes;
1da177e4 247 uint16_t __iomem *wptr;
e315cd28 248 struct qla_hw_data *ha = vha->hw;
3d71644c 249 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 250
4fa94f83
AV		 251 /* Read all mbox registers? */
252 mboxes = (1 << ha->mbx_count) - 1;
253 if (!ha->mcp)
254 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERRROR.\n");
255 else
256 mboxes = ha->mcp->in_mb;
257
1da177e4
LT		 258 /* Load return mailbox registers. */
259 ha->flags.mbox_int = 1;
260 ha->mailbox_out[0] = mb0;
4fa94f83 261 mboxes >>= 1;
1da177e4
LT		 262 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
263
264 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 265 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 266 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 267 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 268 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 269 else if (mboxes & BIT_0)
1da177e4 270 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 271
1da177e4 272 wptr++;
4fa94f83 273 mboxes >>= 1;
1da177e4 274 }
1da177e4
LT		 275}
276
8a659571
AV		 277static void
278qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
279{
280 static char *event[] =
281 { "Complete", "Request Notification", "Time Extension" };
282 int rval;
283 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
284 uint16_t __iomem *wptr;
285 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
286
287 /* Seed data -- mailbox1 -> mailbox7. */
288 wptr = (uint16_t __iomem *)&reg24->mailbox1;
289 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
290 mb[cnt] = RD_REG_WORD(wptr);
291
7c3df132 292 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 293 "Inter-Driver Communication %s -- "
7c3df132
SK		 294 "%04x %04x %04x %04x %04x %04x %04x.\n",
295 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
296 mb[4], mb[5], mb[6]);
bf5b8ad7
CD		 297 if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) {
298 vha->hw->flags.idc_compl_status = 1;
299 if (vha->hw->notify_dcbx_comp)
300 complete(&vha->hw->dcbx_comp);
301 }
8a659571 302
bf5b8ad7
CD		 303 /* Acknowledgement needed? [Notify && non-zero timeout]. */
304 timeout = (descr >> 8) & 0xf;
305 if (aen != MBA_IDC_NOTIFY || !timeout)
306 return;
8fcd6b8b 307
bf5b8ad7
CD		 308 ql_dbg(ql_dbg_async, vha, 0x5022,
309 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
310 vha->host_no, event[aen & 0xff], timeout);
8a659571
AV		 311
312 rval = qla2x00_post_idc_ack_work(vha, mb);
313 if (rval != QLA_SUCCESS)
7c3df132 314 ql_log(ql_log_warn, vha, 0x5023,
8a659571
AV		 315 "IDC failed to post ACK.\n");
316}
317
daae62a3 318#define LS_UNKNOWN 2
d0297c9a
JC		 319const char *
320qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 321{
d0297c9a
JC		 322 static const char * const link_speeds[] = {
323 "1", "2", "?", "4", "8", "16", "10"
324 };
daae62a3
CD		 325
326 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 327 return link_speeds[0];
328 else if (speed == 0x13)
329 return link_speeds[6];
330 else if (speed < 6)
331 return link_speeds[speed];
332 else
333 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 334}
335
fa492630 336static void
7d613ac6
SV		 337qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
338{
339 struct qla_hw_data *ha = vha->hw;
340
341 /*
342 * 8200 AEN Interpretation:
343 * mb[0] = AEN code
344 * mb[1] = AEN Reason code
345 * mb[2] = LSW of Peg-Halt Status-1 Register
346 * mb[6] = MSW of Peg-Halt Status-1 Register
347 * mb[3] = LSW of Peg-Halt Status-2 register
348 * mb[7] = MSW of Peg-Halt Status-2 register
349 * mb[4] = IDC Device-State Register value
350 * mb[5] = IDC Driver-Presence Register value
351 */
352 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
353 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
354 mb[0], mb[1], mb[2], mb[6]);
355 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
356 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
357 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
358
359 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
360 IDC_HEARTBEAT_FAILURE)) {
361 ha->flags.nic_core_hung = 1;
362 ql_log(ql_log_warn, vha, 0x5060,
363 "83XX: F/W Error Reported: Check if reset required.\n");
364
365 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
366 uint32_t protocol_engine_id, fw_err_code, err_level;
367
368 /*
369 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
370 * - PEG-Halt Status-1 Register:
371 * (LSW = mb[2], MSW = mb[6])
372 * Bits 0-7 = protocol-engine ID
373 * Bits 8-28 = f/w error code
374 * Bits 29-31 = Error-level
375 * Error-level 0x1 = Non-Fatal error
376 * Error-level 0x2 = Recoverable Fatal error
377 * Error-level 0x4 = UnRecoverable Fatal error
378 * - PEG-Halt Status-2 Register:
379 * (LSW = mb[3], MSW = mb[7])
380 */
381 protocol_engine_id = (mb[2] & 0xff);
382 fw_err_code = (((mb[2] & 0xff00) >> 8) |
383 ((mb[6] & 0x1fff) << 8));
384 err_level = ((mb[6] & 0xe000) >> 13);
385 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
386 "Register: protocol_engine_id=0x%x "
387 "fw_err_code=0x%x err_level=0x%x.\n",
388 protocol_engine_id, fw_err_code, err_level);
389 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
390 "Register: 0x%x%x.\n", mb[7], mb[3]);
391 if (err_level == ERR_LEVEL_NON_FATAL) {
392 ql_log(ql_log_warn, vha, 0x5063,
393 "Not a fatal error, f/w has recovered "
394 "iteself.\n");
395 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
396 ql_log(ql_log_fatal, vha, 0x5064,
397 "Recoverable Fatal error: Chip reset "
398 "required.\n");
399 qla83xx_schedule_work(vha,
400 QLA83XX_NIC_CORE_RESET);
401 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
402 ql_log(ql_log_fatal, vha, 0x5065,
403 "Unrecoverable Fatal error: Set FAILED "
404 "state, reboot required.\n");
405 qla83xx_schedule_work(vha,
406 QLA83XX_NIC_CORE_UNRECOVERABLE);
407 }
408 }
409
410 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
411 uint16_t peg_fw_state, nw_interface_link_up;
412 uint16_t nw_interface_signal_detect, sfp_status;
413 uint16_t htbt_counter, htbt_monitor_enable;
414 uint16_t sfp_additonal_info, sfp_multirate;
415 uint16_t sfp_tx_fault, link_speed, dcbx_status;
416
417 /*
418 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
419 * - PEG-to-FC Status Register:
420 * (LSW = mb[2], MSW = mb[6])
421 * Bits 0-7 = Peg-Firmware state
422 * Bit 8 = N/W Interface Link-up
423 * Bit 9 = N/W Interface signal detected
424 * Bits 10-11 = SFP Status
425 * SFP Status 0x0 = SFP+ transceiver not expected
426 * SFP Status 0x1 = SFP+ transceiver not present
427 * SFP Status 0x2 = SFP+ transceiver invalid
428 * SFP Status 0x3 = SFP+ transceiver present and
429 * valid
430 * Bits 12-14 = Heartbeat Counter
431 * Bit 15 = Heartbeat Monitor Enable
432 * Bits 16-17 = SFP Additional Info
433 * SFP info 0x0 = Unregocnized transceiver for
434 * Ethernet
435 * SFP info 0x1 = SFP+ brand validation failed
436 * SFP info 0x2 = SFP+ speed validation failed
437 * SFP info 0x3 = SFP+ access error
438 * Bit 18 = SFP Multirate
439 * Bit 19 = SFP Tx Fault
440 * Bits 20-22 = Link Speed
441 * Bits 23-27 = Reserved
442 * Bits 28-30 = DCBX Status
443 * DCBX Status 0x0 = DCBX Disabled
444 * DCBX Status 0x1 = DCBX Enabled
445 * DCBX Status 0x2 = DCBX Exchange error
446 * Bit 31 = Reserved
447 */
448 peg_fw_state = (mb[2] & 0x00ff);
449 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
450 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
451 sfp_status = ((mb[2] & 0x0c00) >> 10);
452 htbt_counter = ((mb[2] & 0x7000) >> 12);
453 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
454 sfp_additonal_info = (mb[6] & 0x0003);
455 sfp_multirate = ((mb[6] & 0x0004) >> 2);
456 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
457 link_speed = ((mb[6] & 0x0070) >> 4);
458 dcbx_status = ((mb[6] & 0x7000) >> 12);
459
460 ql_log(ql_log_warn, vha, 0x5066,
461 "Peg-to-Fc Status Register:\n"
462 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
463 "nw_interface_signal_detect=0x%x"
464 "\nsfp_statis=0x%x.\n ", peg_fw_state,
465 nw_interface_link_up, nw_interface_signal_detect,
466 sfp_status);
467 ql_log(ql_log_warn, vha, 0x5067,
468 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
469 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
470 htbt_counter, htbt_monitor_enable,
471 sfp_additonal_info, sfp_multirate);
472 ql_log(ql_log_warn, vha, 0x5068,
473 "sfp_tx_fault=0x%x, link_state=0x%x, "
474 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
475 dcbx_status);
476
477 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
478 }
479
480 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
481 ql_log(ql_log_warn, vha, 0x5069,
482 "Heartbeat Failure encountered, chip reset "
483 "required.\n");
484
485 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
486 }
487 }
488
489 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
490 ql_log(ql_log_info, vha, 0x506a,
491 "IDC Device-State changed = 0x%x.\n", mb[4]);
492 qla83xx_schedule_work(vha, MBA_IDC_AEN);
493 }
494}
495
1da177e4
LT		 496/**
497 * qla2x00_async_event() - Process aynchronous events.
498 * @ha: SCSI driver HA context
9a853f71 499 * @mb: Mailbox registers (0 - 3)
1da177e4 500 */
2c3dfe3f 501void
73208dfd 502qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 503{
1da177e4 504 uint16_t handle_cnt;
bdab23da 505 uint16_t cnt, mbx;
1da177e4 506 uint32_t handles[5];
e315cd28 507 struct qla_hw_data *ha = vha->hw;
3d71644c 508 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 509 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 510 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1da177e4 511 uint32_t rscn_entry, host_pid;
4d4df193 512 unsigned long flags;
1da177e4
LT		 513
514 /* Setup to process RIO completion. */
515 handle_cnt = 0;
6246b8a1 516 if (IS_CNA_CAPABLE(ha))
3a03eb79 517 goto skip_rio;
1da177e4
LT		 518 switch (mb[0]) {
519 case MBA_SCSI_COMPLETION:
9a853f71 520 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 521 handle_cnt = 1;
522 break;
523 case MBA_CMPLT_1_16BIT:
9a853f71 524 handles[0] = mb[1];
1da177e4
LT		 525 handle_cnt = 1;
526 mb[0] = MBA_SCSI_COMPLETION;
527 break;
528 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 529 handles[0] = mb[1];
530 handles[1] = mb[2];
1da177e4
LT		 531 handle_cnt = 2;
532 mb[0] = MBA_SCSI_COMPLETION;
533 break;
534 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 535 handles[0] = mb[1];
536 handles[1] = mb[2];
537 handles[2] = mb[3];
1da177e4
LT		 538 handle_cnt = 3;
539 mb[0] = MBA_SCSI_COMPLETION;
540 break;
541 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 542 handles[0] = mb[1];
543 handles[1] = mb[2];
544 handles[2] = mb[3];
1da177e4
LT		 545 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
546 handle_cnt = 4;
547 mb[0] = MBA_SCSI_COMPLETION;
548 break;
549 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 550 handles[0] = mb[1];
551 handles[1] = mb[2];
552 handles[2] = mb[3];
1da177e4
LT		 553 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
554 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
555 handle_cnt = 5;
556 mb[0] = MBA_SCSI_COMPLETION;
557 break;
558 case MBA_CMPLT_2_32BIT:
9a853f71 559 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 560 handles[1] = le32_to_cpu(
561 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
562 RD_MAILBOX_REG(ha, reg, 6));
563 handle_cnt = 2;
564 mb[0] = MBA_SCSI_COMPLETION;
565 break;
566 default:
567 break;
568 }
3a03eb79 569skip_rio:
1da177e4
LT		 570 switch (mb[0]) {
571 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 572 if (!vha->flags.online)
1da177e4
LT		 573 break;
574
575 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 576 qla2x00_process_completed_request(vha, rsp->req,
577 handles[cnt]);
1da177e4
LT		 578 break;
579
580 case MBA_RESET: /* Reset */
7c3df132
SK		 581 ql_dbg(ql_dbg_async, vha, 0x5002,
582 "Asynchronous RESET.\n");
1da177e4 583
e315cd28 584 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 585 break;
586
587 case MBA_SYSTEM_ERR: /* System Error */
6246b8a1
GM		 588 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ?
589 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 590 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 591 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
592 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 593
e315cd28 594 ha->isp_ops->fw_dump(vha, 1);
1da177e4 595
e428924c 596 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 597 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 598 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 599 "Unrecoverable Hardware Error: adapter "
600 "marked OFFLINE!\n");
e315cd28 601 vha->flags.online = 0;
6246b8a1 602 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 603 } else {
25985edc 604 /* Check to see if MPI timeout occurred */
b1d46989
MI		 605 if ((mbx & MBX_3) && (ha->flags.port0))
606 set_bit(MPI_RESET_NEEDED,
607 &vha->dpc_flags);
608
e315cd28 609 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 610 }
9a853f71 611 } else if (mb[1] == 0) {
7c3df132 612 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 613 "Unrecoverable Hardware Error: adapter marked "
614 "OFFLINE!\n");
e315cd28 615 vha->flags.online = 0;
6246b8a1 616 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 617 } else
e315cd28 618 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 619 break;
620
621 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 622 ql_log(ql_log_warn, vha, 0x5006,
623 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 624
e315cd28 625 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 626 break;
627
628 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132
SK		 629 ql_log(ql_log_warn, vha, 0x5007,
630 "ISP Response Transfer Error.\n");
1da177e4 631
e315cd28 632 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 633 break;
634
635 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132
SK		 636 ql_dbg(ql_dbg_async, vha, 0x5008,
637 "Asynchronous WAKEUP_THRES.\n");
1da177e4 638
2d70c103 639 break;
1da177e4 640 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 641 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 642 "LIP occurred (%x).\n", mb[1]);
1da177e4 643
e315cd28
AC		 644 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
645 atomic_set(&vha->loop_state, LOOP_DOWN);
646 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
647 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 648 }
649
e315cd28
AC		 650 if (vha->vp_idx) {
651 atomic_set(&vha->vp_state, VP_FAILED);
652 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 653 }
654
e315cd28
AC		 655 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
656 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 657
e315cd28
AC		 658 vha->flags.management_server_logged_in = 0;
659 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 660 break;
661
662 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 663 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 664 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 665 else
1da177e4 666 ha->link_data_rate = mb[1];
1da177e4 667
cfb0919c 668 ql_dbg(ql_dbg_async, vha, 0x500a,
daae62a3 669 "LOOP UP detected (%s Gbps).\n",
d0297c9a 670 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 671
e315cd28
AC		 672 vha->flags.management_server_logged_in = 0;
673 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 674 break;
675
676 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 677 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
678 ? RD_REG_WORD(&reg24->mailbox4) : 0;
bc5c2aad 679 mbx = IS_QLA82XX(ha) ? RD_REG_WORD(&reg82->mailbox_out[4]) : mbx;
cfb0919c 680 ql_dbg(ql_dbg_async, vha, 0x500b,
7c3df132
SK		 681 "LOOP DOWN detected (%x %x %x %x).\n",
682 mb[1], mb[2], mb[3], mbx);
1da177e4 683
e315cd28
AC		 684 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
685 atomic_set(&vha->loop_state, LOOP_DOWN);
686 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
687 vha->device_flags |= DFLG_NO_CABLE;
688 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 689 }
690
e315cd28
AC		 691 if (vha->vp_idx) {
692 atomic_set(&vha->vp_state, VP_FAILED);
693 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 694 }
695
e315cd28 696 vha->flags.management_server_logged_in = 0;
d8b45213 697 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 698 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 699 break;
700
701 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 702 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 703 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 704
e315cd28
AC		 705 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
706 atomic_set(&vha->loop_state, LOOP_DOWN);
707 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
708 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 709 }
710
e315cd28
AC		 711 if (vha->vp_idx) {
712 atomic_set(&vha->vp_state, VP_FAILED);
713 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 714 }
715
e315cd28 716 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 717
718 ha->operating_mode = LOOP;
e315cd28
AC		 719 vha->flags.management_server_logged_in = 0;
720 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 721 break;
722
3a03eb79 723 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 724 case MBA_POINT_TO_POINT: /* Point-to-Point */
725 if (IS_QLA2100(ha))
726 break;
727
6246b8a1 728 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) {
7c3df132
SK		 729 ql_dbg(ql_dbg_async, vha, 0x500d,
730 "DCBX Completed -- %04x %04x %04x.\n",
731 mb[1], mb[2], mb[3]);
23f2ebd1
SR		 732 if (ha->notify_dcbx_comp)
733 complete(&ha->dcbx_comp);
734
735 } else
7c3df132
SK		 736 ql_dbg(ql_dbg_async, vha, 0x500e,
737 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 738
739 /*
740 * Until there's a transition from loop down to loop up, treat
741 * this as loop down only.
742 */
e315cd28
AC		 743 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
744 atomic_set(&vha->loop_state, LOOP_DOWN);
745 if (!atomic_read(&vha->loop_down_timer))
746 atomic_set(&vha->loop_down_timer,
1da177e4 747 LOOP_DOWN_TIME);
e315cd28 748 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 749 }
750
e315cd28
AC		 751 if (vha->vp_idx) {
752 atomic_set(&vha->vp_state, VP_FAILED);
753 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 754 }
755
e315cd28
AC		 756 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
757 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
758
759 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
760 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 761
762 ha->flags.gpsc_supported = 1;
e315cd28 763 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 764 break;
765
766 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
767 if (IS_QLA2100(ha))
768 break;
769
cfb0919c 770 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 771 "Configuration change detected: value=%x.\n", mb[1]);
772
e315cd28
AC		 773 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
774 atomic_set(&vha->loop_state, LOOP_DOWN);
775 if (!atomic_read(&vha->loop_down_timer))
776 atomic_set(&vha->loop_down_timer,
1da177e4 777 LOOP_DOWN_TIME);
e315cd28 778 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 779 }
780
e315cd28
AC		 781 if (vha->vp_idx) {
782 atomic_set(&vha->vp_state, VP_FAILED);
783 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 784 }
785
e315cd28
AC		 786 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
787 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 788 break;
789
790 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 791 /*
792 * Handle only global and vn-port update events
793 *
794 * Relevant inputs:
795 * mb[1] = N_Port handle of changed port
796 * OR 0xffff for global event
797 * mb[2] = New login state
798 * 7 = Port logged out
799 * mb[3] = LSB is vp_idx, 0xff = all vps
800 *
801 * Skip processing if:
802 * Event is global, vp_idx is NOT all vps,
803 * vp_idx does not match
804 * Event is not global, vp_idx does not match
805 */
12cec63e
AV		 806 if (IS_QLA2XXX_MIDTYPE(ha) &&
807 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
808 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
809 break;
73208dfd 810
9764ff88
AV		 811 /* Global event -- port logout or port unavailable. */
812 if (mb[1] == 0xffff && mb[2] == 0x7) {
7c3df132
SK		 813 ql_dbg(ql_dbg_async, vha, 0x5010,
814 "Port unavailable %04x %04x %04x.\n",
815 mb[1], mb[2], mb[3]);
daae62a3
CD		 816 ql_log(ql_log_warn, vha, 0x505e,
817 "Link is offline.\n");
9764ff88
AV		 818
819 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
820 atomic_set(&vha->loop_state, LOOP_DOWN);
821 atomic_set(&vha->loop_down_timer,
822 LOOP_DOWN_TIME);
823 vha->device_flags |= DFLG_NO_CABLE;
824 qla2x00_mark_all_devices_lost(vha, 1);
825 }
826
827 if (vha->vp_idx) {
828 atomic_set(&vha->vp_state, VP_FAILED);
829 fc_vport_set_state(vha->fc_vport,
830 FC_VPORT_FAILED);
faadc5e7 831 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 832 }
833
834 vha->flags.management_server_logged_in = 0;
835 ha->link_data_rate = PORT_SPEED_UNKNOWN;
836 break;
837 }
838
1da177e4 839 /*
cc3ef7bc 840 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 841 * event etc. earlier indicating loop is down) then process
842 * it. Otherwise ignore it and Wait for RSCN to come in.
843 */
e315cd28 844 atomic_set(&vha->loop_down_timer, 0);
79cc785f 845 if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) {
7c3df132
SK		 846 ql_dbg(ql_dbg_async, vha, 0x5011,
847 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
848 mb[1], mb[2], mb[3]);
2d70c103
NB		 849
850 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 851 break;
852 }
853
7c3df132
SK		 854 ql_dbg(ql_dbg_async, vha, 0x5012,
855 "Port database changed %04x %04x %04x.\n",
856 mb[1], mb[2], mb[3]);
daae62a3
CD		 857 ql_log(ql_log_warn, vha, 0x505f,
858 "Link is operational (%s Gbps).\n",
d0297c9a 859 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4
LT		 860
861 /*
862 * Mark all devices as missing so we will login again.
863 */
e315cd28 864 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 865
e315cd28 866 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 867
2d70c103
NB		 868 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
869 set_bit(SCR_PENDING, &vha->dpc_flags);
870
e315cd28
AC		 871 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
872 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2d70c103
NB		 873
874 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 875 break;
876
877 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 878 /* Check if the Vport has issued a SCR */
e315cd28 879 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 880 break;
881 /* Only handle SCNs for our Vport index. */
0d6e61bc 882 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 883 break;
0d6e61bc 884
7c3df132
SK		 885 ql_dbg(ql_dbg_async, vha, 0x5013,
886 "RSCN database changed -- %04x %04x %04x.\n",
887 mb[1], mb[2], mb[3]);
1da177e4 888
59d72d87 889 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 890 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
891 | vha->d_id.b.al_pa;
1da177e4 892 if (rscn_entry == host_pid) {
7c3df132
SK		 893 ql_dbg(ql_dbg_async, vha, 0x5014,
894 "Ignoring RSCN update to local host "
895 "port ID (%06x).\n", host_pid);
1da177e4
LT		 896 break;
897 }
898
59d72d87
RA		 899 /* Ignore reserved bits from RSCN-payload. */
900 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 901
e315cd28
AC		 902 atomic_set(&vha->loop_down_timer, 0);
903 vha->flags.management_server_logged_in = 0;
1da177e4 904
e315cd28
AC		 905 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
906 set_bit(RSCN_UPDATE, &vha->dpc_flags);
907 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 908 break;
909
910 /* case MBA_RIO_RESPONSE: */
911 case MBA_ZIO_RESPONSE:
7c3df132
SK		 912 ql_dbg(ql_dbg_async, vha, 0x5015,
913 "[R|Z]IO update completion.\n");
1da177e4 914
e428924c 915 if (IS_FWI2_CAPABLE(ha))
2afa19a9 916 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 917 else
73208dfd 918 qla2x00_process_response_queue(rsp);
1da177e4 919 break;
9a853f71
AV		 920
921 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 922 ql_dbg(ql_dbg_async, vha, 0x5016,
923 "Discard RND Frame -- %04x %04x %04x.\n",
924 mb[1], mb[2], mb[3]);
9a853f71 925 break;
45ebeb56
AV		 926
927 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 928 ql_dbg(ql_dbg_async, vha, 0x5017,
929 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 930 break;
4d4df193
HK		 931
932 case MBA_ISP84XX_ALERT:
7c3df132
SK		 933 ql_dbg(ql_dbg_async, vha, 0x5018,
934 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
935 mb[1], mb[2], mb[3]);
4d4df193
HK		 936
937 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
938 switch (mb[1]) {
939 case A84_PANIC_RECOVERY:
7c3df132
SK		 940 ql_log(ql_log_info, vha, 0x5019,
941 "Alert 84XX: panic recovery %04x %04x.\n",
942 mb[2], mb[3]);
4d4df193
HK		 943 break;
944 case A84_OP_LOGIN_COMPLETE:
945 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 946 ql_log(ql_log_info, vha, 0x501a,
947 "Alert 84XX: firmware version %x.\n",
948 ha->cs84xx->op_fw_version);
4d4df193
HK		 949 break;
950 case A84_DIAG_LOGIN_COMPLETE:
951 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 952 ql_log(ql_log_info, vha, 0x501b,
953 "Alert 84XX: diagnostic firmware version %x.\n",
954 ha->cs84xx->diag_fw_version);
4d4df193
HK		 955 break;
956 case A84_GOLD_LOGIN_COMPLETE:
957 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
958 ha->cs84xx->fw_update = 1;
7c3df132
SK		 959 ql_log(ql_log_info, vha, 0x501c,
960 "Alert 84XX: gold firmware version %x.\n",
961 ha->cs84xx->gold_fw_version);
4d4df193
HK		 962 break;
963 default:
7c3df132
SK		 964 ql_log(ql_log_warn, vha, 0x501d,
965 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 966 mb[1], mb[2], mb[3]);
967 }
968 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
969 break;
3a03eb79 970 case MBA_DCBX_START:
7c3df132
SK		 971 ql_dbg(ql_dbg_async, vha, 0x501e,
972 "DCBX Started -- %04x %04x %04x.\n",
973 mb[1], mb[2], mb[3]);
3a03eb79
AV		 974 break;
975 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 976 ql_dbg(ql_dbg_async, vha, 0x501f,
977 "DCBX Parameters Updated -- %04x %04x %04x.\n",
978 mb[1], mb[2], mb[3]);
3a03eb79
AV		 979 break;
980 case MBA_FCF_CONF_ERR:
7c3df132
SK		 981 ql_dbg(ql_dbg_async, vha, 0x5020,
982 "FCF Configuration Error -- %04x %04x %04x.\n",
983 mb[1], mb[2], mb[3]);
3a03eb79 984 break;
3a03eb79 985 case MBA_IDC_NOTIFY:
8fcd6b8b
CD		 986 /* See if we need to quiesce any I/O */
987 if (IS_QLA8031(vha->hw))
988 if ((mb[2] & 0x7fff) == MBC_PORT_RESET ||
989 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) {
990 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
8fcd6b8b
CD		 991 qla2xxx_wake_dpc(vha);
992 }
993 case MBA_IDC_COMPLETE:
3a03eb79 994 case MBA_IDC_TIME_EXT:
bf5b8ad7 995 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw))
7d613ac6
SV		 996 qla81xx_idc_event(vha, mb[0], mb[1]);
997 break;
998
999 case MBA_IDC_AEN:
1000 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1001 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1002 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1003 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1004 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1005 break;
7d613ac6 1006
6246b8a1
GM		 1007 default:
1008 ql_dbg(ql_dbg_async, vha, 0x5057,
1009 "Unknown AEN:%04x %04x %04x %04x\n",
1010 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1011 }
2c3dfe3f 1012
2d70c103
NB		 1013 qlt_async_event(mb[0], vha, mb);
1014
e315cd28 1015 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1016 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1017}
1018
1019/**
1020 * qla2x00_process_completed_request() - Process a Fast Post response.
1021 * @ha: SCSI driver HA context
1022 * @index: SRB index
1023 */
1024static void
73208dfd
AC		 1025qla2x00_process_completed_request(struct scsi_qla_host *vha,
1026 struct req_que *req, uint32_t index)
1da177e4
LT		 1027{
1028 srb_t *sp;
e315cd28 1029 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1030
1031 /* Validate handle. */
1032 if (index >= MAX_OUTSTANDING_COMMANDS) {
7c3df132
SK		 1033 ql_log(ql_log_warn, vha, 0x3014,
1034 "Invalid SCSI command index (%x).\n", index);
1da177e4 1035
8f7daead
GM		 1036 if (IS_QLA82XX(ha))
1037 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1038 else
1039 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1040 return;
1041 }
1042
e315cd28 1043 sp = req->outstanding_cmds[index];
1da177e4
LT		 1044 if (sp) {
1045 /* Free outstanding command slot. */
e315cd28 1046 req->outstanding_cmds[index] = NULL;
1da177e4 1047
1da177e4 1048 /* Save ISP completion status */
9ba56b95 1049 sp->done(ha, sp, DID_OK << 16);
1da177e4 1050 } else {
7c3df132 1051 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1052
8f7daead
GM		 1053 if (IS_QLA82XX(ha))
1054 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1055 else
1056 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1057 }
1058}
1059
ac280b67
AV		 1060static srb_t *
1061qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1062 struct req_que *req, void *iocb)
1063{
1064 struct qla_hw_data *ha = vha->hw;
1065 sts_entry_t *pkt = iocb;
1066 srb_t *sp = NULL;
1067 uint16_t index;
1068
1069 index = LSW(pkt->handle);
1070 if (index >= MAX_OUTSTANDING_COMMANDS) {
7c3df132
SK		 1071 ql_log(ql_log_warn, vha, 0x5031,
1072 "Invalid command index (%x).\n", index);
8f7daead
GM		 1073 if (IS_QLA82XX(ha))
1074 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1075 else
1076 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1077 goto done;
1078 }
1079 sp = req->outstanding_cmds[index];
1080 if (!sp) {
7c3df132
SK		 1081 ql_log(ql_log_warn, vha, 0x5032,
1082 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1083 return sp;
1084 }
1085 if (sp->handle != index) {
7c3df132
SK		 1086 ql_log(ql_log_warn, vha, 0x5033,
1087 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1088 return NULL;
1089 }
9a069e19 1090
ac280b67 1091 req->outstanding_cmds[index] = NULL;
9a069e19 1092
ac280b67
AV		 1093done:
1094 return sp;
1095}
1096
1097static void
1098qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1099 struct mbx_entry *mbx)
1100{
1101 const char func[] = "MBX-IOCB";
1102 const char *type;
ac280b67
AV		 1103 fc_port_t *fcport;
1104 srb_t *sp;
4916392b 1105 struct srb_iocb *lio;
99b0bec7 1106 uint16_t *data;
5ff1d584 1107 uint16_t status;
ac280b67
AV		 1108
1109 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1110 if (!sp)
1111 return;
1112
9ba56b95
GM		 1113 lio = &sp->u.iocb_cmd;
1114 type = sp->name;
ac280b67 1115 fcport = sp->fcport;
4916392b 1116 data = lio->u.logio.data;
ac280b67 1117
5ff1d584 1118 data[0] = MBS_COMMAND_ERROR;
4916392b 1119 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1120 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1121 if (mbx->entry_status) {
7c3df132 1122 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1123 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1124 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1125 "status-flags=%x.\n", type, sp->handle,
1126 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1127 fcport->d_id.b.al_pa, mbx->entry_status,
1128 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1129 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1130
cfb0919c 1131 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1132 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1133
99b0bec7 1134 goto logio_done;
ac280b67
AV		 1135 }
1136
5ff1d584 1137 status = le16_to_cpu(mbx->status);
9ba56b95 1138 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1139 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1140 status = 0;
1141 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1142 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1143 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1144 type, sp->handle, fcport->d_id.b.domain,
1145 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1146 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1147
1148 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1149 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1150 fcport->port_type = FCT_TARGET;
1151 if (le16_to_cpu(mbx->mb1) & BIT_0)
1152 fcport->port_type = FCT_INITIATOR;
6ac52608 1153 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1154 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1155 }
99b0bec7 1156 goto logio_done;
ac280b67
AV		 1157 }
1158
1159 data[0] = le16_to_cpu(mbx->mb0);
1160 switch (data[0]) {
1161 case MBS_PORT_ID_USED:
1162 data[1] = le16_to_cpu(mbx->mb1);
1163 break;
1164 case MBS_LOOP_ID_USED:
1165 break;
1166 default:
1167 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1168 break;
1169 }
1170
7c3df132 1171 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1172 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1173 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1174 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1175 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1176 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1177 le16_to_cpu(mbx->mb7));
ac280b67 1178
99b0bec7 1179logio_done:
9ba56b95 1180 sp->done(vha, sp, 0);
ac280b67
AV		 1181}
1182
9bc4f4fb
HZ		 1183static void
1184qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1185 sts_entry_t *pkt, int iocb_type)
1186{
1187 const char func[] = "CT_IOCB";
1188 const char *type;
9bc4f4fb 1189 srb_t *sp;
9bc4f4fb
HZ		 1190 struct fc_bsg_job *bsg_job;
1191 uint16_t comp_status;
9ba56b95 1192 int res;
9bc4f4fb
HZ		 1193
1194 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1195 if (!sp)
1196 return;
1197
9ba56b95 1198 bsg_job = sp->u.bsg_job;
9bc4f4fb 1199
9ba56b95 1200 type = "ct pass-through";
9bc4f4fb
HZ		 1201
1202 comp_status = le16_to_cpu(pkt->comp_status);
1203
1204 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1205 * fc payload to the caller
1206 */
1207 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1208 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1209
1210 if (comp_status != CS_COMPLETE) {
1211 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1212 res = DID_OK << 16;
9bc4f4fb
HZ		 1213 bsg_job->reply->reply_payload_rcv_len =
1214 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1215
7c3df132
SK		 1216 ql_log(ql_log_warn, vha, 0x5048,
1217 "CT pass-through-%s error "
9bc4f4fb 1218 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132
SK		 1219 type, comp_status,
1220 bsg_job->reply->reply_payload_rcv_len);
9bc4f4fb 1221 } else {
7c3df132
SK		 1222 ql_log(ql_log_warn, vha, 0x5049,
1223 "CT pass-through-%s error "
1224 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1225 res = DID_ERROR << 16;
9bc4f4fb
HZ		 1226 bsg_job->reply->reply_payload_rcv_len = 0;
1227 }
cfb0919c 1228 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1229 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1230 } else {
9ba56b95 1231 res = DID_OK << 16;
9bc4f4fb
HZ		 1232 bsg_job->reply->reply_payload_rcv_len =
1233 bsg_job->reply_payload.payload_len;
1234 bsg_job->reply_len = 0;
1235 }
1236
9ba56b95 1237 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1238}
1239
9a069e19
GM		 1240static void
1241qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1242 struct sts_entry_24xx *pkt, int iocb_type)
1243{
1244 const char func[] = "ELS_CT_IOCB";
1245 const char *type;
9a069e19 1246 srb_t *sp;
9a069e19
GM		 1247 struct fc_bsg_job *bsg_job;
1248 uint16_t comp_status;
1249 uint32_t fw_status[3];
1250 uint8_t* fw_sts_ptr;
9ba56b95 1251 int res;
9a069e19
GM		 1252
1253 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1254 if (!sp)
1255 return;
9ba56b95 1256 bsg_job = sp->u.bsg_job;
9a069e19
GM		 1257
1258 type = NULL;
9ba56b95 1259 switch (sp->type) {
9a069e19
GM		 1260 case SRB_ELS_CMD_RPT:
1261 case SRB_ELS_CMD_HST:
1262 type = "els";
1263 break;
1264 case SRB_CT_CMD:
1265 type = "ct pass-through";
1266 break;
1267 default:
37fed3ee 1268 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1269 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1270 return;
1271 }
1272
1273 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1274 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1275 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1276
1277 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1278 * fc payload to the caller
1279 */
1280 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1281 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1282
1283 if (comp_status != CS_COMPLETE) {
1284 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1285 res = DID_OK << 16;
9a069e19 1286 bsg_job->reply->reply_payload_rcv_len =
9ba56b95 1287 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1288
37fed3ee 1289 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1290 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1291 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1292 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1293 le16_to_cpu(((struct els_sts_entry_24xx *)
1294 pkt)->total_byte_count));
9a069e19
GM		 1295 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1296 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1297 }
1298 else {
37fed3ee 1299 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1300 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1301 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1302 type, sp->handle, comp_status,
7c3df132
SK		 1303 le16_to_cpu(((struct els_sts_entry_24xx *)
1304 pkt)->error_subcode_1),
1305 le16_to_cpu(((struct els_sts_entry_24xx *)
1306 pkt)->error_subcode_2));
9ba56b95 1307 res = DID_ERROR << 16;
9a069e19
GM		 1308 bsg_job->reply->reply_payload_rcv_len = 0;
1309 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1310 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1311 }
37fed3ee 1312 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1313 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1314 }
1315 else {
9ba56b95 1316 res = DID_OK << 16;
9a069e19
GM		 1317 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1318 bsg_job->reply_len = 0;
1319 }
1320
9ba56b95 1321 sp->done(vha, sp, res);
9a069e19
GM		 1322}
1323
ac280b67
AV		 1324static void
1325qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1326 struct logio_entry_24xx *logio)
1327{
1328 const char func[] = "LOGIO-IOCB";
1329 const char *type;
ac280b67
AV		 1330 fc_port_t *fcport;
1331 srb_t *sp;
4916392b 1332 struct srb_iocb *lio;
99b0bec7 1333 uint16_t *data;
ac280b67
AV		 1334 uint32_t iop[2];
1335
1336 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1337 if (!sp)
1338 return;
1339
9ba56b95
GM		 1340 lio = &sp->u.iocb_cmd;
1341 type = sp->name;
ac280b67 1342 fcport = sp->fcport;
4916392b 1343 data = lio->u.logio.data;
ac280b67 1344
5ff1d584 1345 data[0] = MBS_COMMAND_ERROR;
4916392b 1346 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1347 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1348 if (logio->entry_status) {
5e19ed90 1349 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1350 "Async-%s error entry - hdl=%x"
d3fa9e7d 1351 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1352 type, sp->handle, fcport->d_id.b.domain,
1353 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1354 logio->entry_status);
1355 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1356 (uint8_t *)logio, sizeof(*logio));
ac280b67 1357
99b0bec7 1358 goto logio_done;
ac280b67
AV		 1359 }
1360
1361 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1362 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1363 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1364 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1365 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1366 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1367
1368 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1369 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1370 goto logio_done;
ac280b67
AV		 1371
1372 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1373 if (iop[0] & BIT_4) {
1374 fcport->port_type = FCT_TARGET;
1375 if (iop[0] & BIT_8)
8474f3a0 1376 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1377 } else if (iop[0] & BIT_5)
ac280b67 1378 fcport->port_type = FCT_INITIATOR;
b0cd579c 1379
2d70c103
NB		 1380 if (iop[0] & BIT_7)
1381 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1382
ac280b67
AV		 1383 if (logio->io_parameter[7] || logio->io_parameter[8])
1384 fcport->supported_classes |= FC_COS_CLASS2;
1385 if (logio->io_parameter[9] || logio->io_parameter[10])
1386 fcport->supported_classes |= FC_COS_CLASS3;
1387
99b0bec7 1388 goto logio_done;
ac280b67
AV		 1389 }
1390
1391 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1392 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1393 switch (iop[0]) {
1394 case LSC_SCODE_PORTID_USED:
1395 data[0] = MBS_PORT_ID_USED;
1396 data[1] = LSW(iop[1]);
1397 break;
1398 case LSC_SCODE_NPORT_USED:
1399 data[0] = MBS_LOOP_ID_USED;
1400 break;
ac280b67
AV		 1401 default:
1402 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1403 break;
1404 }
1405
5e19ed90 1406 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1407 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1408 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1409 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1410 le16_to_cpu(logio->comp_status),
1411 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1412 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1413
99b0bec7 1414logio_done:
9ba56b95 1415 sp->done(vha, sp, 0);
ac280b67
AV		 1416}
1417
3822263e
MI		 1418static void
1419qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1420 struct tsk_mgmt_entry *tsk)
1421{
1422 const char func[] = "TMF-IOCB";
1423 const char *type;
1424 fc_port_t *fcport;
1425 srb_t *sp;
1426 struct srb_iocb *iocb;
3822263e
MI		 1427 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1428 int error = 1;
1429
1430 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1431 if (!sp)
1432 return;
1433
9ba56b95
GM		 1434 iocb = &sp->u.iocb_cmd;
1435 type = sp->name;
3822263e
MI		 1436 fcport = sp->fcport;
1437
1438 if (sts->entry_status) {
5e19ed90 1439 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1440 "Async-%s error - hdl=%x entry-status(%x).\n",
1441 type, sp->handle, sts->entry_status);
3822263e 1442 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1443 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1444 "Async-%s error - hdl=%x completion status(%x).\n",
1445 type, sp->handle, sts->comp_status);
3822263e
MI		 1446 } else if (!(le16_to_cpu(sts->scsi_status) &
1447 SS_RESPONSE_INFO_LEN_VALID)) {
5e19ed90 1448 ql_log(ql_log_warn, fcport->vha, 0x503a,
cfb0919c
CD		 1449 "Async-%s error - hdl=%x no response info(%x).\n",
1450 type, sp->handle, sts->scsi_status);
3822263e 1451 } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
5e19ed90 1452 ql_log(ql_log_warn, fcport->vha, 0x503b,
cfb0919c
CD		 1453 "Async-%s error - hdl=%x not enough response(%d).\n",
1454 type, sp->handle, sts->rsp_data_len);
3822263e 1455 } else if (sts->data[3]) {
5e19ed90 1456 ql_log(ql_log_warn, fcport->vha, 0x503c,
cfb0919c
CD		 1457 "Async-%s error - hdl=%x response(%x).\n",
1458 type, sp->handle, sts->data[3]);
3822263e
MI		 1459 } else {
1460 error = 0;
1461 }
1462
1463 if (error) {
1464 iocb->u.tmf.data = error;
7c3df132
SK		 1465 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1466 (uint8_t *)sts, sizeof(*sts));
3822263e
MI		 1467 }
1468
9ba56b95 1469 sp->done(vha, sp, 0);
3822263e
MI		 1470}
1471
1da177e4
LT		 1472/**
1473 * qla2x00_process_response_queue() - Process response queue entries.
1474 * @ha: SCSI driver HA context
1475 */
1476void
73208dfd 1477qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1478{
73208dfd
AC		 1479 struct scsi_qla_host *vha;
1480 struct qla_hw_data *ha = rsp->hw;
3d71644c 1481 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1482 sts_entry_t *pkt;
1483 uint16_t handle_cnt;
1484 uint16_t cnt;
73208dfd 1485
2afa19a9 1486 vha = pci_get_drvdata(ha->pdev);
1da177e4 1487
e315cd28 1488 if (!vha->flags.online)
1da177e4
LT		 1489 return;
1490
e315cd28
AC		 1491 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1492 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1493
e315cd28
AC		 1494 rsp->ring_index++;
1495 if (rsp->ring_index == rsp->length) {
1496 rsp->ring_index = 0;
1497 rsp->ring_ptr = rsp->ring;
1da177e4 1498 } else {
e315cd28 1499 rsp->ring_ptr++;
1da177e4
LT		 1500 }
1501
1502 if (pkt->entry_status != 0) {
73208dfd 1503 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1504 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1505 wmb();
1506 continue;
1507 }
1508
1509 switch (pkt->entry_type) {
1510 case STATUS_TYPE:
73208dfd 1511 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1512 break;
1513 case STATUS_TYPE_21:
1514 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1515 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1516 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1517 ((sts21_entry_t *)pkt)->handle[cnt]);
1518 }
1519 break;
1520 case STATUS_TYPE_22:
1521 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1522 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1523 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1524 ((sts22_entry_t *)pkt)->handle[cnt]);
1525 }
1526 break;
1527 case STATUS_CONT_TYPE:
2afa19a9 1528 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1529 break;
ac280b67
AV		 1530 case MBX_IOCB_TYPE:
1531 qla2x00_mbx_iocb_entry(vha, rsp->req,
1532 (struct mbx_entry *)pkt);
3822263e 1533 break;
9bc4f4fb
HZ		 1534 case CT_IOCB_TYPE:
1535 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1536 break;
1da177e4
LT		 1537 default:
1538 /* Type Not Supported. */
7c3df132
SK		 1539 ql_log(ql_log_warn, vha, 0x504a,
1540 "Received unknown response pkt type %x "
1da177e4 1541 "entry status=%x.\n",
7c3df132 1542 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1543 break;
1544 }
1545 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1546 wmb();
1547 }
1548
1549 /* Adjust ring index */
e315cd28 1550 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1551}
1552
4733fcb1 1553static inline void
5544213b 1554qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1555 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1556{
7c3df132 1557 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1558 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1559 uint32_t track_sense_len;
4733fcb1
AV		 1560
1561 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1562 sense_len = SCSI_SENSE_BUFFERSIZE;
1563
9ba56b95
GM		 1564 SET_CMD_SENSE_LEN(sp, sense_len);
1565 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1566 track_sense_len = sense_len;
1567
1568 if (sense_len > par_sense_len)
5544213b 1569 sense_len = par_sense_len;
4733fcb1
AV		 1570
1571 memcpy(cp->sense_buffer, sense_data, sense_len);
1572
9ba56b95
GM		 1573 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1574 track_sense_len -= sense_len;
1575 SET_CMD_SENSE_LEN(sp, track_sense_len);
1576
1577 if (track_sense_len != 0) {
2afa19a9 1578 rsp->status_srb = sp;
9ba56b95
GM		 1579 cp->result = res;
1580 }
4733fcb1 1581
cfb0919c
CD		 1582 if (sense_len) {
1583 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1584 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
1585 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1586 cp);
7c3df132
SK		 1587 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1588 cp->sense_buffer, sense_len);
cfb0919c 1589 }
4733fcb1
AV		 1590}
1591
bad75002
AE		 1592struct scsi_dif_tuple {
1593 __be16 guard; /* Checksum */
d6a03581 1594 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1595 __be32 ref_tag; /* Target LBA or indirect LBA */
1596};
1597
1598/*
1599 * Checks the guard or meta-data for the type of error
1600 * detected by the HBA. In case of errors, we set the
1601 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1602 * to indicate to the kernel that the HBA detected error.
1603 */
8cb2049c 1604static inline int
bad75002
AE		 1605qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1606{
7c3df132 1607 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1608 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1609 uint8_t *ap = &sts24->data[12];
1610 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1611 uint32_t e_ref_tag, a_ref_tag;
1612 uint16_t e_app_tag, a_app_tag;
1613 uint16_t e_guard, a_guard;
1614
8cb2049c
AE		 1615 /*
1616 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1617 * would make guard field appear at offset 2
1618 */
1619 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1620 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1621 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1622 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1623 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1624 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1625
7c3df132
SK		 1626 ql_dbg(ql_dbg_io, vha, 0x3023,
1627 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1628
7c3df132
SK		 1629 ql_dbg(ql_dbg_io, vha, 0x3024,
1630 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1631 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1632 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1633 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1634 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1635
8cb2049c
AE		 1636 /*
1637 * Ignore sector if:
1638 * For type 3: ref & app tag is all 'f's
1639 * For type 0,1,2: app tag is all 'f's
1640 */
1641 if ((a_app_tag == 0xffff) &&
1642 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1643 (a_ref_tag == 0xffffffff))) {
1644 uint32_t blocks_done, resid;
1645 sector_t lba_s = scsi_get_lba(cmd);
1646
1647 /* 2TB boundary case covered automatically with this */
1648 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1649
1650 resid = scsi_bufflen(cmd) - (blocks_done *
1651 cmd->device->sector_size);
1652
1653 scsi_set_resid(cmd, resid);
1654 cmd->result = DID_OK << 16;
1655
1656 /* Update protection tag */
1657 if (scsi_prot_sg_count(cmd)) {
1658 uint32_t i, j = 0, k = 0, num_ent;
1659 struct scatterlist *sg;
1660 struct sd_dif_tuple *spt;
1661
1662 /* Patch the corresponding protection tags */
1663 scsi_for_each_prot_sg(cmd, sg,
1664 scsi_prot_sg_count(cmd), i) {
1665 num_ent = sg_dma_len(sg) / 8;
1666 if (k + num_ent < blocks_done) {
1667 k += num_ent;
1668 continue;
1669 }
1670 j = blocks_done - k - 1;
1671 k = blocks_done;
1672 break;
1673 }
1674
1675 if (k != blocks_done) {
cfb0919c 1676 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1677 "unexpected tag values tag:lba=%x:%llx)\n",
1678 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1679 return 1;
1680 }
1681
1682 spt = page_address(sg_page(sg)) + sg->offset;
1683 spt += j;
1684
1685 spt->app_tag = 0xffff;
1686 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1687 spt->ref_tag = 0xffffffff;
1688 }
1689
1690 return 0;
1691 }
1692
bad75002
AE		 1693 /* check guard */
1694 if (e_guard != a_guard) {
1695 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1696 0x10, 0x1);
1697 set_driver_byte(cmd, DRIVER_SENSE);
1698 set_host_byte(cmd, DID_ABORT);
1699 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1700 return 1;
bad75002
AE		 1701 }
1702
e02587d7
AE		 1703 /* check ref tag */
1704 if (e_ref_tag != a_ref_tag) {
bad75002 1705 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1706 0x10, 0x3);
bad75002
AE		 1707 set_driver_byte(cmd, DRIVER_SENSE);
1708 set_host_byte(cmd, DID_ABORT);
1709 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1710 return 1;
bad75002
AE		 1711 }
1712
e02587d7
AE		 1713 /* check appl tag */
1714 if (e_app_tag != a_app_tag) {
bad75002 1715 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1716 0x10, 0x2);
bad75002
AE		 1717 set_driver_byte(cmd, DRIVER_SENSE);
1718 set_host_byte(cmd, DID_ABORT);
1719 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1720 return 1;
bad75002 1721 }
e02587d7 1722
8cb2049c 1723 return 1;
bad75002
AE		 1724}
1725
a9b6f722
SK		 1726static void
1727qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1728 struct req_que *req, uint32_t index)
1729{
1730 struct qla_hw_data *ha = vha->hw;
1731 srb_t *sp;
1732 uint16_t comp_status;
1733 uint16_t scsi_status;
1734 uint16_t thread_id;
1735 uint32_t rval = EXT_STATUS_OK;
1736 struct fc_bsg_job *bsg_job = NULL;
1737 sts_entry_t *sts;
1738 struct sts_entry_24xx *sts24;
1739 sts = (sts_entry_t *) pkt;
1740 sts24 = (struct sts_entry_24xx *) pkt;
1741
1742 /* Validate handle. */
1743 if (index >= MAX_OUTSTANDING_COMMANDS) {
1744 ql_log(ql_log_warn, vha, 0x70af,
1745 "Invalid SCSI completion handle 0x%x.\n", index);
1746 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1747 return;
1748 }
1749
1750 sp = req->outstanding_cmds[index];
1751 if (sp) {
1752 /* Free outstanding command slot. */
1753 req->outstanding_cmds[index] = NULL;
1754 bsg_job = sp->u.bsg_job;
1755 } else {
1756 ql_log(ql_log_warn, vha, 0x70b0,
1757 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1758 req->id, index);
1759
1760 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1761 return;
1762 }
1763
1764 if (IS_FWI2_CAPABLE(ha)) {
1765 comp_status = le16_to_cpu(sts24->comp_status);
1766 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1767 } else {
1768 comp_status = le16_to_cpu(sts->comp_status);
1769 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1770 }
1771
1772 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1773 switch (comp_status) {
1774 case CS_COMPLETE:
1775 if (scsi_status == 0) {
1776 bsg_job->reply->reply_payload_rcv_len =
1777 bsg_job->reply_payload.payload_len;
1778 rval = EXT_STATUS_OK;
1779 }
1780 goto done;
1781
1782 case CS_DATA_OVERRUN:
1783 ql_dbg(ql_dbg_user, vha, 0x70b1,
1784 "Command completed with date overrun thread_id=%d\n",
1785 thread_id);
1786 rval = EXT_STATUS_DATA_OVERRUN;
1787 break;
1788
1789 case CS_DATA_UNDERRUN:
1790 ql_dbg(ql_dbg_user, vha, 0x70b2,
1791 "Command completed with date underrun thread_id=%d\n",
1792 thread_id);
1793 rval = EXT_STATUS_DATA_UNDERRUN;
1794 break;
1795 case CS_BIDIR_RD_OVERRUN:
1796 ql_dbg(ql_dbg_user, vha, 0x70b3,
1797 "Command completed with read data overrun thread_id=%d\n",
1798 thread_id);
1799 rval = EXT_STATUS_DATA_OVERRUN;
1800 break;
1801
1802 case CS_BIDIR_RD_WR_OVERRUN:
1803 ql_dbg(ql_dbg_user, vha, 0x70b4,
1804 "Command completed with read and write data overrun "
1805 "thread_id=%d\n", thread_id);
1806 rval = EXT_STATUS_DATA_OVERRUN;
1807 break;
1808
1809 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1810 ql_dbg(ql_dbg_user, vha, 0x70b5,
1811 "Command completed with read data over and write data "
1812 "underrun thread_id=%d\n", thread_id);
1813 rval = EXT_STATUS_DATA_OVERRUN;
1814 break;
1815
1816 case CS_BIDIR_RD_UNDERRUN:
1817 ql_dbg(ql_dbg_user, vha, 0x70b6,
1818 "Command completed with read data data underrun "
1819 "thread_id=%d\n", thread_id);
1820 rval = EXT_STATUS_DATA_UNDERRUN;
1821 break;
1822
1823 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1824 ql_dbg(ql_dbg_user, vha, 0x70b7,
1825 "Command completed with read data under and write data "
1826 "overrun thread_id=%d\n", thread_id);
1827 rval = EXT_STATUS_DATA_UNDERRUN;
1828 break;
1829
1830 case CS_BIDIR_RD_WR_UNDERRUN:
1831 ql_dbg(ql_dbg_user, vha, 0x70b8,
1832 "Command completed with read and write data underrun "
1833 "thread_id=%d\n", thread_id);
1834 rval = EXT_STATUS_DATA_UNDERRUN;
1835 break;
1836
1837 case CS_BIDIR_DMA:
1838 ql_dbg(ql_dbg_user, vha, 0x70b9,
1839 "Command completed with data DMA error thread_id=%d\n",
1840 thread_id);
1841 rval = EXT_STATUS_DMA_ERR;
1842 break;
1843
1844 case CS_TIMEOUT:
1845 ql_dbg(ql_dbg_user, vha, 0x70ba,
1846 "Command completed with timeout thread_id=%d\n",
1847 thread_id);
1848 rval = EXT_STATUS_TIMEOUT;
1849 break;
1850 default:
1851 ql_dbg(ql_dbg_user, vha, 0x70bb,
1852 "Command completed with completion status=0x%x "
1853 "thread_id=%d\n", comp_status, thread_id);
1854 rval = EXT_STATUS_ERR;
1855 break;
1856 }
1857 bsg_job->reply->reply_payload_rcv_len = 0;
1858
1859done:
1860 /* Return the vendor specific reply to API */
1861 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1862 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1863 /* Always return DID_OK, bsg will send the vendor specific response
1864 * in this case only */
1865 sp->done(vha, sp, (DID_OK << 6));
1866
1867}
1868
1da177e4
LT		 1869/**
1870 * qla2x00_status_entry() - Process a Status IOCB entry.
1871 * @ha: SCSI driver HA context
1872 * @pkt: Entry pointer
1873 */
1874static void
73208dfd 1875qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 1876{
1da177e4 1877 srb_t *sp;
1da177e4
LT		 1878 fc_port_t *fcport;
1879 struct scsi_cmnd *cp;
9a853f71
AV		 1880 sts_entry_t *sts;
1881 struct sts_entry_24xx *sts24;
1da177e4
LT		 1882 uint16_t comp_status;
1883 uint16_t scsi_status;
b7d2280c 1884 uint16_t ox_id;
1da177e4
LT		 1885 uint8_t lscsi_status;
1886 int32_t resid;
5544213b
AV		 1887 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1888 fw_resid_len;
9a853f71 1889 uint8_t *rsp_info, *sense_data;
e315cd28 1890 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 1891 uint32_t handle;
1892 uint16_t que;
1893 struct req_que *req;
b7d2280c 1894 int logit = 1;
9ba56b95 1895 int res = 0;
a9b6f722 1896 uint16_t state_flags = 0;
9a853f71
AV		 1897
1898 sts = (sts_entry_t *) pkt;
1899 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 1900 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 1901 comp_status = le16_to_cpu(sts24->comp_status);
1902 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 1903 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 1904 } else {
1905 comp_status = le16_to_cpu(sts->comp_status);
1906 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1907 }
2afa19a9
AC		 1908 handle = (uint32_t) LSW(sts->handle);
1909 que = MSW(sts->handle);
1910 req = ha->req_q_map[que];
a9083016 1911
1da177e4 1912 /* Validate handle. */
2afa19a9
AC		 1913 if (handle < MAX_OUTSTANDING_COMMANDS) {
1914 sp = req->outstanding_cmds[handle];
1da177e4
LT		 1915 } else
1916 sp = NULL;
1917
1918 if (sp == NULL) {
cfb0919c 1919 ql_dbg(ql_dbg_io, vha, 0x3017,
7c3df132 1920 "Invalid status handle (0x%x).\n", sts->handle);
1da177e4 1921
8f7daead
GM		 1922 if (IS_QLA82XX(ha))
1923 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1924 else
1925 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e315cd28 1926 qla2xxx_wake_dpc(vha);
1da177e4
LT		 1927 return;
1928 }
a9b6f722
SK		 1929
1930 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
1931 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
1932 return;
1933 }
1934
1935 /* Fast path completion. */
1936 if (comp_status == CS_COMPLETE && scsi_status == 0) {
1937 qla2x00_process_completed_request(vha, req, handle);
1938
1939 return;
1940 }
1941
1942 req->outstanding_cmds[handle] = NULL;
9ba56b95 1943 cp = GET_CMD_SP(sp);
1da177e4 1944 if (cp == NULL) {
cfb0919c 1945 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 1946 "Command already returned (0x%x/%p).\n",
1947 sts->handle, sp);
1da177e4
LT		 1948
1949 return;
1950 }
1951
9a853f71 1952 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 1953
bdf79621 1954 fcport = sp->fcport;
1da177e4 1955
b7d2280c 1956 ox_id = 0;
5544213b
AV		 1957 sense_len = par_sense_len = rsp_info_len = resid_len =
1958 fw_resid_len = 0;
e428924c 1959 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 1960 if (scsi_status & SS_SENSE_LEN_VALID)
1961 sense_len = le32_to_cpu(sts24->sense_len);
1962 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
1963 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
1964 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
1965 resid_len = le32_to_cpu(sts24->rsp_residual_count);
1966 if (comp_status == CS_DATA_UNDERRUN)
1967 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 1968 rsp_info = sts24->data;
1969 sense_data = sts24->data;
1970 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 1971 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 1972 par_sense_len = sizeof(sts24->data);
9a853f71 1973 } else {
0f00a206
LC		 1974 if (scsi_status & SS_SENSE_LEN_VALID)
1975 sense_len = le16_to_cpu(sts->req_sense_length);
1976 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
1977 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 1978 resid_len = le32_to_cpu(sts->residual_length);
1979 rsp_info = sts->rsp_info;
1980 sense_data = sts->req_sense_data;
5544213b 1981 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 1982 }
1983
1da177e4
LT		 1984 /* Check for any FCP transport errors. */
1985 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 1986 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 1987 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 1988 sense_data += rsp_info_len;
5544213b
AV		 1989 par_sense_len -= rsp_info_len;
1990 }
9a853f71 1991 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 1992 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 1993 "FCP I/O protocol failure (0x%x/0x%x).\n",
1994 rsp_info_len, rsp_info[3]);
1da177e4 1995
9ba56b95 1996 res = DID_BUS_BUSY << 16;
b7d2280c 1997 goto out;
1da177e4
LT		 1998 }
1999 }
2000
3e8ce320
AV		 2001 /* Check for overrun. */
2002 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2003 scsi_status & SS_RESIDUAL_OVER)
2004 comp_status = CS_DATA_OVERRUN;
2005
1da177e4
LT		 2006 /*
2007 * Based on Host and scsi status generate status code for Linux
2008 */
2009 switch (comp_status) {
2010 case CS_COMPLETE:
df7baa50 2011 case CS_QUEUE_FULL:
1da177e4 2012 if (scsi_status == 0) {
9ba56b95 2013 res = DID_OK << 16;
1da177e4
LT		 2014 break;
2015 }
2016 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2017 resid = resid_len;
385d70b4 2018 scsi_set_resid(cp, resid);
0da69df1
AV		 2019
2020 if (!lscsi_status &&
385d70b4 2021 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2022 cp->underflow)) {
5e19ed90 2023 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2024 "Mid-layer underflow "
b7d2280c 2025 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2026 resid, scsi_bufflen(cp));
0da69df1 2027
9ba56b95 2028 res = DID_ERROR << 16;
0da69df1
AV		 2029 break;
2030 }
1da177e4 2031 }
9ba56b95 2032 res = DID_OK << 16 | lscsi_status;
1da177e4 2033
df7baa50 2034 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2035 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2036 "QUEUE FULL detected.\n");
df7baa50
AV		 2037 break;
2038 }
b7d2280c 2039 logit = 0;
1da177e4
LT		 2040 if (lscsi_status != SS_CHECK_CONDITION)
2041 break;
2042
b80ca4f7 2043 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2044 if (!(scsi_status & SS_SENSE_LEN_VALID))
2045 break;
2046
5544213b 2047 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2048 rsp, res);
1da177e4
LT		 2049 break;
2050
2051 case CS_DATA_UNDERRUN:
ed17c71b 2052 /* Use F/W calculated residual length. */
0f00a206
LC		 2053 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2054 scsi_set_resid(cp, resid);
2055 if (scsi_status & SS_RESIDUAL_UNDER) {
2056 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2057 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2058 "Dropped frame(s) detected "
2059 "(0x%x of 0x%x bytes).\n",
2060 resid, scsi_bufflen(cp));
0f00a206 2061
9ba56b95 2062 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2063 goto check_scsi_status;
6acf8190 2064 }
ed17c71b 2065
0f00a206
LC		 2066 if (!lscsi_status &&
2067 ((unsigned)(scsi_bufflen(cp) - resid) <
2068 cp->underflow)) {
5e19ed90 2069 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2070 "Mid-layer underflow "
b7d2280c 2071 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2072 resid, scsi_bufflen(cp));
e038a1be 2073
9ba56b95 2074 res = DID_ERROR << 16;
0f00a206
LC		 2075 break;
2076 }
4aee5766
GM		 2077 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2078 lscsi_status != SAM_STAT_BUSY) {
2079 /*
2080 * scsi status of task set and busy are considered to be
2081 * task not completed.
2082 */
2083
5e19ed90 2084 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2085 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2086 "of 0x%x bytes).\n", resid,
2087 scsi_bufflen(cp));
0f00a206 2088
9ba56b95 2089 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2090 goto check_scsi_status;
4aee5766
GM		 2091 } else {
2092 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2093 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2094 scsi_status, lscsi_status);
1da177e4
LT		 2095 }
2096
9ba56b95 2097 res = DID_OK << 16 | lscsi_status;
b7d2280c 2098 logit = 0;
0f00a206 2099
0374f55e 2100check_scsi_status:
1da177e4 2101 /*
fa2a1ce5 2102 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2103 * Status.
2104 */
2105 if (lscsi_status != 0) {
ffec28a3 2106 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2107 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2108 "QUEUE FULL detected.\n");
b7d2280c 2109 logit = 1;
ffec28a3
AV		 2110 break;
2111 }
1da177e4
LT		 2112 if (lscsi_status != SS_CHECK_CONDITION)
2113 break;
2114
b80ca4f7 2115 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2116 if (!(scsi_status & SS_SENSE_LEN_VALID))
2117 break;
2118
5544213b 2119 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2120 sense_len, rsp, res);
1da177e4
LT		 2121 }
2122 break;
2123
1da177e4
LT		 2124 case CS_PORT_LOGGED_OUT:
2125 case CS_PORT_CONFIG_CHG:
2126 case CS_PORT_BUSY:
2127 case CS_INCOMPLETE:
2128 case CS_PORT_UNAVAILABLE:
b7d2280c 2129 case CS_TIMEOUT:
ff454b01
CD		 2130 case CS_RESET:
2131
056a4483
MC		 2132 /*
2133 * We are going to have the fc class block the rport
2134 * while we try to recover so instruct the mid layer
2135 * to requeue until the class decides how to handle this.
2136 */
9ba56b95 2137 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2138
2139 if (comp_status == CS_TIMEOUT) {
2140 if (IS_FWI2_CAPABLE(ha))
2141 break;
2142 else if ((le16_to_cpu(sts->status_flags) &
2143 SF_LOGOUT_SENT) == 0)
2144 break;
2145 }
2146
5e19ed90 2147 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
7c3df132
SK		 2148 "Port down status: port-state=0x%x.\n",
2149 atomic_read(&fcport->state));
b7d2280c 2150
a7a28504 2151 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2152 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2153 break;
2154
1da177e4 2155 case CS_ABORTED:
9ba56b95 2156 res = DID_RESET << 16;
1da177e4 2157 break;
bad75002
AE		 2158
2159 case CS_DIF_ERROR:
8cb2049c 2160 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2161 res = cp->result;
bad75002 2162 break;
9e522cd8
AE		 2163
2164 case CS_TRANSPORT:
2165 res = DID_ERROR << 16;
2166
2167 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2168 break;
2169
2170 if (state_flags & BIT_4)
2171 scmd_printk(KERN_WARNING, cp,
2172 "Unsupported device '%s' found.\n",
2173 cp->device->vendor);
2174 break;
2175
1da177e4 2176 default:
9ba56b95 2177 res = DID_ERROR << 16;
1da177e4
LT		 2178 break;
2179 }
2180
b7d2280c
AV		 2181out:
2182 if (logit)
5e19ed90 2183 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
7c3df132 2184 "FCP command status: 0x%x-0x%x (0x%x) "
cfb0919c
CD		 2185 "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x "
2186 "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x "
7c3df132 2187 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
9ba56b95 2188 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2189 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2190 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2191 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
2192 cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7],
2193 cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len,
7c3df132 2194 resid_len, fw_resid_len);
b7d2280c 2195
2afa19a9 2196 if (rsp->status_srb == NULL)
9ba56b95 2197 sp->done(ha, sp, res);
1da177e4
LT		 2198}
2199
2200/**
2201 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2202 * @ha: SCSI driver HA context
2203 * @pkt: Entry pointer
2204 *
2205 * Extended sense data.
2206 */
2207static void
2afa19a9 2208qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2209{
9ba56b95 2210 uint8_t sense_sz = 0;
2afa19a9 2211 struct qla_hw_data *ha = rsp->hw;
7c3df132 2212 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2213 srb_t *sp = rsp->status_srb;
1da177e4 2214 struct scsi_cmnd *cp;
9ba56b95
GM		 2215 uint32_t sense_len;
2216 uint8_t *sense_ptr;
1da177e4 2217
9ba56b95
GM		 2218 if (!sp || !GET_CMD_SENSE_LEN(sp))
2219 return;
1da177e4 2220
9ba56b95
GM		 2221 sense_len = GET_CMD_SENSE_LEN(sp);
2222 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2223
9ba56b95
GM		 2224 cp = GET_CMD_SP(sp);
2225 if (cp == NULL) {
2226 ql_log(ql_log_warn, vha, 0x3025,
2227 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2228
9ba56b95
GM		 2229 rsp->status_srb = NULL;
2230 return;
1da177e4 2231 }
1da177e4 2232
9ba56b95
GM		 2233 if (sense_len > sizeof(pkt->data))
2234 sense_sz = sizeof(pkt->data);
2235 else
2236 sense_sz = sense_len;
c4631191 2237
9ba56b95
GM		 2238 /* Move sense data. */
2239 if (IS_FWI2_CAPABLE(ha))
2240 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2241 memcpy(sense_ptr, pkt->data, sense_sz);
2242 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2243 sense_ptr, sense_sz);
c4631191 2244
9ba56b95
GM		 2245 sense_len -= sense_sz;
2246 sense_ptr += sense_sz;
c4631191 2247
9ba56b95
GM		 2248 SET_CMD_SENSE_PTR(sp, sense_ptr);
2249 SET_CMD_SENSE_LEN(sp, sense_len);
2250
2251 /* Place command on done queue. */
2252 if (sense_len == 0) {
2253 rsp->status_srb = NULL;
2254 sp->done(ha, sp, cp->result);
c4631191 2255 }
c4631191
GM		 2256}
2257
1da177e4
LT		 2258/**
2259 * qla2x00_error_entry() - Process an error entry.
2260 * @ha: SCSI driver HA context
2261 * @pkt: Entry pointer
2262 */
2263static void
73208dfd 2264qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2265{
2266 srb_t *sp;
e315cd28 2267 struct qla_hw_data *ha = vha->hw;
c4631191 2268 const char func[] = "ERROR-IOCB";
2afa19a9 2269 uint16_t que = MSW(pkt->handle);
a6fe35c0 2270 struct req_que *req = NULL;
9ba56b95 2271 int res = DID_ERROR << 16;
7c3df132 2272
9ba56b95
GM		 2273 ql_dbg(ql_dbg_async, vha, 0x502a,
2274 "type of error status in response: 0x%x\n", pkt->entry_status);
2275
a6fe35c0
AE		 2276 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2277 goto fatal;
2278
2279 req = ha->req_q_map[que];
2280
9ba56b95
GM		 2281 if (pkt->entry_status & RF_BUSY)
2282 res = DID_BUS_BUSY << 16;
1da177e4 2283
c4631191 2284 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2285 if (sp) {
9ba56b95 2286 sp->done(ha, sp, res);
a6fe35c0 2287 return;
1da177e4 2288 }
a6fe35c0
AE		 2289fatal:
2290 ql_log(ql_log_warn, vha, 0x5030,
2291 "Error entry - invalid handle/queue.\n");
2292
2293 if (IS_QLA82XX(ha))
2294 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2295 else
2296 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2297 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2298}
2299
9a853f71
AV		 2300/**
2301 * qla24xx_mbx_completion() - Process mailbox command completions.
2302 * @ha: SCSI driver HA context
2303 * @mb0: Mailbox0 register
2304 */
2305static void
e315cd28 2306qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2307{
2308 uint16_t cnt;
4fa94f83 2309 uint32_t mboxes;
9a853f71 2310 uint16_t __iomem *wptr;
e315cd28 2311 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2312 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2313
4fa94f83
AV		 2314 /* Read all mbox registers? */
2315 mboxes = (1 << ha->mbx_count) - 1;
2316 if (!ha->mcp)
2317 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n");
2318 else
2319 mboxes = ha->mcp->in_mb;
2320
9a853f71
AV		 2321 /* Load return mailbox registers. */
2322 ha->flags.mbox_int = 1;
2323 ha->mailbox_out[0] = mb0;
4fa94f83 2324 mboxes >>= 1;
9a853f71
AV		 2325 wptr = (uint16_t __iomem *)&reg->mailbox1;
2326
2327 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2328 if (mboxes & BIT_0)
2329 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2330
2331 mboxes >>= 1;
9a853f71
AV		 2332 wptr++;
2333 }
9a853f71
AV		 2334}
2335
2336/**
2337 * qla24xx_process_response_queue() - Process response queue entries.
2338 * @ha: SCSI driver HA context
2339 */
2afa19a9
AC		 2340void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2341 struct rsp_que *rsp)
9a853f71 2342{
9a853f71 2343 struct sts_entry_24xx *pkt;
a9083016 2344 struct qla_hw_data *ha = vha->hw;
9a853f71 2345
e315cd28 2346 if (!vha->flags.online)
9a853f71
AV		 2347 return;
2348
e315cd28
AC		 2349 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2350 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2351
e315cd28
AC		 2352 rsp->ring_index++;
2353 if (rsp->ring_index == rsp->length) {
2354 rsp->ring_index = 0;
2355 rsp->ring_ptr = rsp->ring;
9a853f71 2356 } else {
e315cd28 2357 rsp->ring_ptr++;
9a853f71
AV		 2358 }
2359
2360 if (pkt->entry_status != 0) {
73208dfd 2361 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103
NB		 2362
2363 (void)qlt_24xx_process_response_error(vha, pkt);
2364
9a853f71
AV		 2365 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2366 wmb();
2367 continue;
2368 }
2369
2370 switch (pkt->entry_type) {
2371 case STATUS_TYPE:
73208dfd 2372 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2373 break;
2374 case STATUS_CONT_TYPE:
2afa19a9 2375 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2376 break;
2c3dfe3f 2377 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2378 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2379 (struct vp_rpt_id_entry_24xx *)pkt);
2380 break;
ac280b67
AV		 2381 case LOGINOUT_PORT_IOCB_TYPE:
2382 qla24xx_logio_entry(vha, rsp->req,
2383 (struct logio_entry_24xx *)pkt);
2384 break;
3822263e
MI		 2385 case TSK_MGMT_IOCB_TYPE:
2386 qla24xx_tm_iocb_entry(vha, rsp->req,
2387 (struct tsk_mgmt_entry *)pkt);
2388 break;
9a069e19
GM		 2389 case CT_IOCB_TYPE:
2390 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19
GM		 2391 break;
2392 case ELS_IOCB_TYPE:
2393 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2394 break;
2d70c103
NB		 2395 case ABTS_RECV_24XX:
2396 /* ensure that the ATIO queue is empty */
2397 qlt_24xx_process_atio_queue(vha);
2398 case ABTS_RESP_24XX:
2399 case CTIO_TYPE7:
2400 case NOTIFY_ACK_TYPE:
2401 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2402 break;
54883291
SK		 2403 case MARKER_TYPE:
2404 /* Do nothing in this case, this check is to prevent it
2405 * from falling into default case
2406 */
2407 break;
9a853f71
AV		 2408 default:
2409 /* Type Not Supported. */
7c3df132
SK		 2410 ql_dbg(ql_dbg_async, vha, 0x5042,
2411 "Received unknown response pkt type %x "
9a853f71 2412 "entry status=%x.\n",
7c3df132 2413 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2414 break;
2415 }
2416 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2417 wmb();
2418 }
2419
2420 /* Adjust ring index */
a9083016
GM		 2421 if (IS_QLA82XX(ha)) {
2422 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2423 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2424 } else
2425 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2426}
2427
05236a05 2428static void
e315cd28 2429qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2430{
2431 int rval;
2432 uint32_t cnt;
e315cd28 2433 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2434 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2435
6246b8a1 2436 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
05236a05
AV		 2437 return;
2438
2439 rval = QLA_SUCCESS;
2440 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2441 RD_REG_DWORD(&reg->iobase_addr);
2442 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2443 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2444 rval == QLA_SUCCESS; cnt--) {
2445 if (cnt) {
2446 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2447 udelay(10);
2448 } else
2449 rval = QLA_FUNCTION_TIMEOUT;
2450 }
2451 if (rval == QLA_SUCCESS)
2452 goto next_test;
2453
2454 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2455 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2456 rval == QLA_SUCCESS; cnt--) {
2457 if (cnt) {
2458 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2459 udelay(10);
2460 } else
2461 rval = QLA_FUNCTION_TIMEOUT;
2462 }
2463 if (rval != QLA_SUCCESS)
2464 goto done;
2465
2466next_test:
2467 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2468 ql_log(ql_log_info, vha, 0x504c,
2469 "Additional code -- 0x55AA.\n");
05236a05
AV		 2470
2471done:
2472 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2473 RD_REG_DWORD(&reg->iobase_window);
2474}
2475
9a853f71 2476/**
6246b8a1 2477 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2478 * @irq:
2479 * @dev_id: SCSI driver HA context
9a853f71
AV		 2480 *
2481 * Called by system whenever the host adapter generates an interrupt.
2482 *
2483 * Returns handled flag.
2484 */
2485irqreturn_t
7d12e780 2486qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2487{
e315cd28
AC		 2488 scsi_qla_host_t *vha;
2489 struct qla_hw_data *ha;
9a853f71
AV		 2490 struct device_reg_24xx __iomem *reg;
2491 int status;
9a853f71
AV		 2492 unsigned long iter;
2493 uint32_t stat;
2494 uint32_t hccr;
7d613ac6 2495 uint16_t mb[8];
e315cd28 2496 struct rsp_que *rsp;
43fac4d9 2497 unsigned long flags;
9a853f71 2498
e315cd28
AC		 2499 rsp = (struct rsp_que *) dev_id;
2500 if (!rsp) {
3256b435
CD		 2501 ql_log(ql_log_info, NULL, 0x5059,
2502 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2503 return IRQ_NONE;
2504 }
2505
e315cd28 2506 ha = rsp->hw;
9a853f71
AV		 2507 reg = &ha->iobase->isp24;
2508 status = 0;
2509
85880801
AV		 2510 if (unlikely(pci_channel_offline(ha->pdev)))
2511 return IRQ_HANDLED;
2512
43fac4d9 2513 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2514 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2515 for (iter = 50; iter--; ) {
2516 stat = RD_REG_DWORD(&reg->host_status);
2517 if (stat & HSRX_RISC_PAUSED) {
85880801 2518 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2519 break;
2520
9a853f71
AV		 2521 hccr = RD_REG_DWORD(&reg->hccr);
2522
7c3df132
SK		 2523 ql_log(ql_log_warn, vha, 0x504b,
2524 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2525 hccr);
05236a05 2526
e315cd28 2527 qla2xxx_check_risc_status(vha);
05236a05 2528
e315cd28
AC		 2529 ha->isp_ops->fw_dump(vha, 1);
2530 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2531 break;
2532 } else if ((stat & HSRX_RISC_INT) == 0)
2533 break;
2534
2535 switch (stat & 0xff) {
fafbda9f
AE		 2536 case INTR_ROM_MB_SUCCESS:
2537 case INTR_ROM_MB_FAILED:
2538 case INTR_MB_SUCCESS:
2539 case INTR_MB_FAILED:
e315cd28 2540 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2541 status |= MBX_INTERRUPT;
2542
2543 break;
fafbda9f 2544 case INTR_ASYNC_EVENT:
9a853f71
AV		 2545 mb[0] = MSW(stat);
2546 mb[1] = RD_REG_WORD(&reg->mailbox1);
2547 mb[2] = RD_REG_WORD(&reg->mailbox2);
2548 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2549 qla2x00_async_event(vha, rsp, mb);
9a853f71 2550 break;
fafbda9f
AE		 2551 case INTR_RSP_QUE_UPDATE:
2552 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2553 qla24xx_process_response_queue(vha, rsp);
9a853f71 2554 break;
fafbda9f 2555 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2556 qlt_24xx_process_atio_queue(vha);
2557 break;
fafbda9f 2558 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2559 qlt_24xx_process_atio_queue(vha);
2560 qla24xx_process_response_queue(vha, rsp);
2561 break;
9a853f71 2562 default:
7c3df132
SK		 2563 ql_dbg(ql_dbg_async, vha, 0x504f,
2564 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2565 break;
2566 }
2567 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2568 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2569 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2570 ndelay(3500);
9a853f71 2571 }
43fac4d9 2572 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71
AV		 2573
2574 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2575 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
9a853f71 2576 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 2577 complete(&ha->mbx_intr_comp);
9a853f71
AV		 2578 }
2579
2580 return IRQ_HANDLED;
2581}
2582
a8488abe
AV		 2583static irqreturn_t
2584qla24xx_msix_rsp_q(int irq, void *dev_id)
2585{
e315cd28
AC		 2586 struct qla_hw_data *ha;
2587 struct rsp_que *rsp;
a8488abe 2588 struct device_reg_24xx __iomem *reg;
2afa19a9 2589 struct scsi_qla_host *vha;
0f19bc68 2590 unsigned long flags;
a8488abe 2591
e315cd28
AC		 2592 rsp = (struct rsp_que *) dev_id;
2593 if (!rsp) {
3256b435
CD		 2594 ql_log(ql_log_info, NULL, 0x505a,
2595 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2596 return IRQ_NONE;
2597 }
2598 ha = rsp->hw;
a8488abe
AV		 2599 reg = &ha->iobase->isp24;
2600
0f19bc68 2601 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2602
a67093d4 2603 vha = pci_get_drvdata(ha->pdev);
2afa19a9 2604 qla24xx_process_response_queue(vha, rsp);
3155754a 2605 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2606 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2607 RD_REG_DWORD_RELAXED(&reg->hccr);
2608 }
0f19bc68 2609 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2610
2611 return IRQ_HANDLED;
2612}
2613
68ca949c
AC		 2614static irqreturn_t
2615qla25xx_msix_rsp_q(int irq, void *dev_id)
2616{
2617 struct qla_hw_data *ha;
2618 struct rsp_que *rsp;
3155754a 2619 struct device_reg_24xx __iomem *reg;
0f19bc68 2620 unsigned long flags;
68ca949c
AC		 2621
2622 rsp = (struct rsp_que *) dev_id;
2623 if (!rsp) {
3256b435
CD		 2624 ql_log(ql_log_info, NULL, 0x505b,
2625 "%s: NULL response queue pointer.\n", __func__);
68ca949c
AC		 2626 return IRQ_NONE;
2627 }
2628 ha = rsp->hw;
2629
3155754a 2630 /* Clear the interrupt, if enabled, for this response queue */
d424754c 2631 if (!ha->flags.disable_msix_handshake) {
3155754a 2632 reg = &ha->iobase->isp24;
0f19bc68 2633 spin_lock_irqsave(&ha->hardware_lock, flags);
3155754a
AC		 2634 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2635 RD_REG_DWORD_RELAXED(&reg->hccr);
0f19bc68 2636 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155754a 2637 }
68ca949c
AC		 2638 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2639
2640 return IRQ_HANDLED;
2641}
2642
a8488abe
AV		 2643static irqreturn_t
2644qla24xx_msix_default(int irq, void *dev_id)
2645{
e315cd28
AC		 2646 scsi_qla_host_t *vha;
2647 struct qla_hw_data *ha;
2648 struct rsp_que *rsp;
a8488abe
AV		 2649 struct device_reg_24xx __iomem *reg;
2650 int status;
a8488abe
AV		 2651 uint32_t stat;
2652 uint32_t hccr;
7d613ac6 2653 uint16_t mb[8];
0f19bc68 2654 unsigned long flags;
a8488abe 2655
e315cd28
AC		 2656 rsp = (struct rsp_que *) dev_id;
2657 if (!rsp) {
3256b435
CD		 2658 ql_log(ql_log_info, NULL, 0x505c,
2659 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2660 return IRQ_NONE;
2661 }
2662 ha = rsp->hw;
a8488abe
AV		 2663 reg = &ha->iobase->isp24;
2664 status = 0;
2665
0f19bc68 2666 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2667 vha = pci_get_drvdata(ha->pdev);
87f27015 2668 do {
a8488abe
AV		 2669 stat = RD_REG_DWORD(&reg->host_status);
2670 if (stat & HSRX_RISC_PAUSED) {
85880801 2671 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2672 break;
2673
a8488abe
AV		 2674 hccr = RD_REG_DWORD(&reg->hccr);
2675
7c3df132
SK		 2676 ql_log(ql_log_info, vha, 0x5050,
2677 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2678 hccr);
05236a05 2679
e315cd28 2680 qla2xxx_check_risc_status(vha);
05236a05 2681
e315cd28
AC		 2682 ha->isp_ops->fw_dump(vha, 1);
2683 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2684 break;
2685 } else if ((stat & HSRX_RISC_INT) == 0)
2686 break;
2687
2688 switch (stat & 0xff) {
fafbda9f
AE		 2689 case INTR_ROM_MB_SUCCESS:
2690 case INTR_ROM_MB_FAILED:
2691 case INTR_MB_SUCCESS:
2692 case INTR_MB_FAILED:
e315cd28 2693 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2694 status |= MBX_INTERRUPT;
2695
2696 break;
fafbda9f 2697 case INTR_ASYNC_EVENT:
a8488abe
AV		 2698 mb[0] = MSW(stat);
2699 mb[1] = RD_REG_WORD(&reg->mailbox1);
2700 mb[2] = RD_REG_WORD(&reg->mailbox2);
2701 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2702 qla2x00_async_event(vha, rsp, mb);
a8488abe 2703 break;
fafbda9f
AE		 2704 case INTR_RSP_QUE_UPDATE:
2705 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2706 qla24xx_process_response_queue(vha, rsp);
a8488abe 2707 break;
fafbda9f 2708 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2709 qlt_24xx_process_atio_queue(vha);
2710 break;
fafbda9f 2711 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2712 qlt_24xx_process_atio_queue(vha);
2713 qla24xx_process_response_queue(vha, rsp);
2714 break;
a8488abe 2715 default:
7c3df132
SK		 2716 ql_dbg(ql_dbg_async, vha, 0x5051,
2717 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2718 break;
2719 }
2720 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2721 } while (0);
0f19bc68 2722 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2723
2724 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2725 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
a8488abe 2726 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 2727 complete(&ha->mbx_intr_comp);
a8488abe 2728 }
a8488abe
AV		 2729 return IRQ_HANDLED;
2730}
2731
2732/* Interrupt handling helpers. */
2733
2734struct qla_init_msix_entry {
a8488abe 2735 const char *name;
476834c2 2736 irq_handler_t handler;
a8488abe
AV		 2737};
2738
68ca949c 2739static struct qla_init_msix_entry msix_entries[3] = {
2afa19a9
AC		 2740 { "qla2xxx (default)", qla24xx_msix_default },
2741 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
68ca949c 2742 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
a8488abe
AV		 2743};
2744
a9083016
GM		 2745static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2746 { "qla2xxx (default)", qla82xx_msix_default },
2747 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2748};
2749
a8488abe 2750static void
e315cd28 2751qla24xx_disable_msix(struct qla_hw_data *ha)
a8488abe
AV		 2752{
2753 int i;
2754 struct qla_msix_entry *qentry;
7c3df132 2755 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe 2756
73208dfd
AC		 2757 for (i = 0; i < ha->msix_count; i++) {
2758 qentry = &ha->msix_entries[i];
a8488abe 2759 if (qentry->have_irq)
73208dfd 2760 free_irq(qentry->vector, qentry->rsp);
a8488abe
AV		 2761 }
2762 pci_disable_msix(ha->pdev);
73208dfd
AC		 2763 kfree(ha->msix_entries);
2764 ha->msix_entries = NULL;
2765 ha->flags.msix_enabled = 0;
7c3df132
SK		 2766 ql_dbg(ql_dbg_init, vha, 0x0042,
2767 "Disabled the MSI.\n");
a8488abe
AV		 2768}
2769
2770static int
73208dfd 2771qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 2772{
ad038fa8 2773#define MIN_MSIX_COUNT 2
a8488abe 2774 int i, ret;
73208dfd 2775 struct msix_entry *entries;
a8488abe 2776 struct qla_msix_entry *qentry;
7c3df132 2777 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2778
2779 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
a9083016 2780 GFP_KERNEL);
7c3df132
SK		 2781 if (!entries) {
2782 ql_log(ql_log_warn, vha, 0x00bc,
2783 "Failed to allocate memory for msix_entry.\n");
73208dfd 2784 return -ENOMEM;
7c3df132 2785 }
a8488abe 2786
73208dfd
AC		 2787 for (i = 0; i < ha->msix_count; i++)
2788 entries[i].entry = i;
a8488abe 2789
73208dfd 2790 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
a8488abe 2791 if (ret) {
ad038fa8
LC		 2792 if (ret < MIN_MSIX_COUNT)
2793 goto msix_failed;
2794
7c3df132
SK		 2795 ql_log(ql_log_warn, vha, 0x00c6,
2796 "MSI-X: Failed to enable support "
2797 "-- %d/%d\n Retry with %d vectors.\n",
2798 ha->msix_count, ret, ret);
73208dfd
AC		 2799 ha->msix_count = ret;
2800 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2801 if (ret) {
ad038fa8 2802msix_failed:
7c3df132
SK		 2803 ql_log(ql_log_fatal, vha, 0x00c7,
2804 "MSI-X: Failed to enable support, "
2805 "giving up -- %d/%d.\n",
2806 ha->msix_count, ret);
73208dfd
AC		 2807 goto msix_out;
2808 }
2afa19a9 2809 ha->max_rsp_queues = ha->msix_count - 1;
73208dfd
AC		 2810 }
2811 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2812 ha->msix_count, GFP_KERNEL);
2813 if (!ha->msix_entries) {
7c3df132
SK		 2814 ql_log(ql_log_fatal, vha, 0x00c8,
2815 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 2816 ret = -ENOMEM;
a8488abe
AV		 2817 goto msix_out;
2818 }
2819 ha->flags.msix_enabled = 1;
2820
73208dfd
AC		 2821 for (i = 0; i < ha->msix_count; i++) {
2822 qentry = &ha->msix_entries[i];
2823 qentry->vector = entries[i].vector;
2824 qentry->entry = entries[i].entry;
a8488abe 2825 qentry->have_irq = 0;
73208dfd 2826 qentry->rsp = NULL;
a8488abe
AV		 2827 }
2828
2afa19a9
AC		 2829 /* Enable MSI-X vectors for the base queue */
2830 for (i = 0; i < 2; i++) {
2831 qentry = &ha->msix_entries[i];
a9083016
GM		 2832 if (IS_QLA82XX(ha)) {
2833 ret = request_irq(qentry->vector,
2834 qla82xx_msix_entries[i].handler,
2835 0, qla82xx_msix_entries[i].name, rsp);
2836 } else {
2837 ret = request_irq(qentry->vector,
2838 msix_entries[i].handler,
2839 0, msix_entries[i].name, rsp);
2840 }
2afa19a9 2841 if (ret) {
7c3df132
SK		 2842 ql_log(ql_log_fatal, vha, 0x00cb,
2843 "MSI-X: unable to register handler -- %x/%d.\n",
2844 qentry->vector, ret);
2afa19a9
AC		 2845 qla24xx_disable_msix(ha);
2846 ha->mqenable = 0;
2847 goto msix_out;
2848 }
2849 qentry->have_irq = 1;
2850 qentry->rsp = rsp;
2851 rsp->msix = qentry;
73208dfd 2852 }
73208dfd
AC		 2853
2854 /* Enable MSI-X vector for response queue update for queue 0 */
6246b8a1
GM		 2855 if (IS_QLA83XX(ha)) {
2856 if (ha->msixbase && ha->mqiobase &&
2857 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2858 ha->mqenable = 1;
2859 } else
2860 if (ha->mqiobase
2861 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2862 ha->mqenable = 1;
7c3df132
SK		 2863 ql_dbg(ql_dbg_multiq, vha, 0xc005,
2864 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2865 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
2866 ql_dbg(ql_dbg_init, vha, 0x0055,
2867 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2868 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 2869
a8488abe 2870msix_out:
73208dfd 2871 kfree(entries);
a8488abe
AV		 2872 return ret;
2873}
2874
2875int
73208dfd 2876qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 2877{
2878 int ret;
963b0fdd 2879 device_reg_t __iomem *reg = ha->iobase;
7c3df132 2880 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 2881
2882 /* If possible, enable MSI-X. */
6246b8a1
GM		 2883 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
2884 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
6377a7ae
BH		 2885 goto skip_msi;
2886
2887 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
2888 (ha->pdev->subsystem_device == 0x7040 ||
2889 ha->pdev->subsystem_device == 0x7041 ||
2890 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 2891 ql_log(ql_log_warn, vha, 0x0034,
2892 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 2893 ha->pdev->subsystem_vendor,
7c3df132 2894 ha->pdev->subsystem_device);
6377a7ae
BH		 2895 goto skip_msi;
2896 }
a8488abe 2897
42cd4f5d 2898 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 2899 ql_log(ql_log_warn, vha, 0x0035,
2900 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 2901 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 2902 goto skip_msix;
2903 }
2904
73208dfd 2905 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 2906 if (!ret) {
7c3df132
SK		 2907 ql_dbg(ql_dbg_init, vha, 0x0036,
2908 "MSI-X: Enabled (0x%X, 0x%X).\n",
2909 ha->chip_revision, ha->fw_attributes);
963b0fdd 2910 goto clear_risc_ints;
a8488abe 2911 }
7c3df132
SK		 2912 ql_log(ql_log_info, vha, 0x0037,
2913 "MSI-X Falling back-to MSI mode -%d.\n", ret);
a8488abe 2914skip_msix:
cbedb601 2915
3a03eb79 2916 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
487370af 2917 !IS_QLA8001(ha) && !IS_QLA82XX(ha))
cbedb601
AV		 2918 goto skip_msi;
2919
2920 ret = pci_enable_msi(ha->pdev);
2921 if (!ret) {
7c3df132
SK		 2922 ql_dbg(ql_dbg_init, vha, 0x0038,
2923 "MSI: Enabled.\n");
cbedb601 2924 ha->flags.msi_enabled = 1;
a9083016 2925 } else
7c3df132
SK		 2926 ql_log(ql_log_warn, vha, 0x0039,
2927 "MSI-X; Falling back-to INTa mode -- %d.\n", ret);
a033b655
GM		 2928
2929 /* Skip INTx on ISP82xx. */
2930 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
2931 return QLA_FUNCTION_FAILED;
2932
cbedb601
AV		 2933skip_msi:
2934
fd34f556 2935 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 2936 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
2937 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 2938 if (ret) {
7c3df132 2939 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 2940 "Failed to reserve interrupt %d already in use.\n",
2941 ha->pdev->irq);
963b0fdd
AV		 2942 goto fail;
2943 }
7992abfc 2944
963b0fdd
AV		 2945clear_risc_ints:
2946
c6952483 2947 spin_lock_irq(&ha->hardware_lock);
c1114953 2948 if (!IS_FWI2_CAPABLE(ha))
963b0fdd 2949 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 2950 spin_unlock_irq(&ha->hardware_lock);
a8488abe 2951
963b0fdd 2952fail:
a8488abe
AV		 2953 return ret;
2954}
2955
2956void
e315cd28 2957qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 2958{
e315cd28 2959 struct qla_hw_data *ha = vha->hw;
9a347ff4
CD		 2960 struct rsp_que *rsp;
2961
2962 /*
2963 * We need to check that ha->rsp_q_map is valid in case we are called
2964 * from a probe failure context.
2965 */
2966 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
2967 return;
2968 rsp = ha->rsp_q_map[0];
a8488abe
AV		 2969
2970 if (ha->flags.msix_enabled)
2971 qla24xx_disable_msix(ha);
90a86fc0 2972 else if (ha->flags.msi_enabled) {
e315cd28 2973 free_irq(ha->pdev->irq, rsp);
cbedb601 2974 pci_disable_msi(ha->pdev);
90a86fc0
JC		 2975 } else
2976 free_irq(ha->pdev->irq, rsp);
a8488abe 2977}
e315cd28 2978
73208dfd
AC		 2979
2980int qla25xx_request_irq(struct rsp_que *rsp)
2981{
2982 struct qla_hw_data *ha = rsp->hw;
2afa19a9 2983 struct qla_init_msix_entry *intr = &msix_entries[2];
73208dfd 2984 struct qla_msix_entry *msix = rsp->msix;
7c3df132 2985 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2986 int ret;
2987
2988 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
2989 if (ret) {
7c3df132
SK		 2990 ql_log(ql_log_fatal, vha, 0x00e6,
2991 "MSI-X: Unable to register handler -- %x/%d.\n",
2992 msix->vector, ret);
73208dfd
AC		 2993 return ret;
2994 }
2995 msix->have_irq = 1;
2996 msix->rsp = rsp;
2997 return ret;
2998}
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