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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / qla2xxx / qla_isr.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
bd21eaf9 3 * Copyright (c) 2003-2014 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
2d70c103 8#include "qla_target.h"
1da177e4 9
05236a05 10#include <linux/delay.h>
5a0e3ad6 11#include <linux/slab.h>
09ce66ae 12#include <linux/t10-pi.h>
df7baa50 13#include <scsi/scsi_tcq.h>
9a069e19 14#include <scsi/scsi_bsg_fc.h>
bad75002 15#include <scsi/scsi_eh.h>
df7baa50 16
1da177e4 17static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 18static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 19static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 20static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
21 sts_entry_t *);
9a853f71 22
1da177e4
LT		 23/**
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @irq:
26 * @dev_id: SCSI driver HA context
1da177e4
LT		 27 *
28 * Called by system whenever the host adapter generates an interrupt.
29 *
30 * Returns handled flag.
31 */
32irqreturn_t
7d12e780 33qla2100_intr_handler(int irq, void *dev_id)
1da177e4 34{
e315cd28
AC		 35 scsi_qla_host_t *vha;
36 struct qla_hw_data *ha;
3d71644c 37 struct device_reg_2xxx __iomem *reg;
1da177e4 38 int status;
1da177e4 39 unsigned long iter;
14e660e6 40 uint16_t hccr;
9a853f71 41 uint16_t mb[4];
e315cd28 42 struct rsp_que *rsp;
43fac4d9 43 unsigned long flags;
1da177e4 44
e315cd28
AC		 45 rsp = (struct rsp_que *) dev_id;
46 if (!rsp) {
3256b435
CD		 47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 49 return (IRQ_NONE);
50 }
51
e315cd28 52 ha = rsp->hw;
3d71644c 53 reg = &ha->iobase->isp;
1da177e4
LT		 54 status = 0;
55
43fac4d9 56 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 57 vha = pci_get_drvdata(ha->pdev);
1da177e4 58 for (iter = 50; iter--; ) {
14e660e6 59 hccr = RD_REG_WORD(&reg->hccr);
c821e0d5 60 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
f3ddac19 61 break;
14e660e6
SJ		 62 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
64 break;
65
66 /*
67 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 68 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 69 * out of the RISC PAUSED state.
70 */
71 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(&reg->hccr);
73
e315cd28
AC		 74 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 76 break;
77 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 78 break;
79
80 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
81 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(&reg->hccr);
83
84 /* Get mailbox data. */
9a853f71
AV		 85 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 87 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 88 status |= MBX_INTERRUPT;
9a853f71
AV		 89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 93 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 94 } else {
95 /*EMPTY*/
7c3df132
SK		 96 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
98 mb[0]);
1da177e4
LT		 99 }
100 /* Release mailbox registers. */
101 WRT_REG_WORD(&reg->semaphore, 0);
102 RD_REG_WORD(&reg->semaphore);
103 } else {
73208dfd 104 qla2x00_process_response_queue(rsp);
1da177e4
LT		 105
106 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(&reg->hccr);
108 }
109 }
36439832 110 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 112
1da177e4
LT		 113 return (IRQ_HANDLED);
114}
115
f3ddac19 116bool
c821e0d5 117qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
f3ddac19
CD		 118{
119 /* Check for PCI disconnection */
a30c2a3b 120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
beb9e315 121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
6b383979
JL		 122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
232792b6
JL		 124 /*
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
128 */
129 schedule_work(&vha->hw->board_disable);
130 }
f3ddac19
CD		 131 return true;
132 } else
133 return false;
134}
135
c821e0d5
JL		 136bool
137qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
138{
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
140}
141
1da177e4
LT		 142/**
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
144 * @irq:
145 * @dev_id: SCSI driver HA context
1da177e4
LT		 146 *
147 * Called by system whenever the host adapter generates an interrupt.
148 *
149 * Returns handled flag.
150 */
151irqreturn_t
7d12e780 152qla2300_intr_handler(int irq, void *dev_id)
1da177e4 153{
e315cd28 154 scsi_qla_host_t *vha;
3d71644c 155 struct device_reg_2xxx __iomem *reg;
1da177e4 156 int status;
1da177e4
LT		 157 unsigned long iter;
158 uint32_t stat;
1da177e4 159 uint16_t hccr;
9a853f71 160 uint16_t mb[4];
e315cd28
AC		 161 struct rsp_que *rsp;
162 struct qla_hw_data *ha;
43fac4d9 163 unsigned long flags;
1da177e4 164
e315cd28
AC		 165 rsp = (struct rsp_que *) dev_id;
166 if (!rsp) {
3256b435
CD		 167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 169 return (IRQ_NONE);
170 }
171
e315cd28 172 ha = rsp->hw;
3d71644c 173 reg = &ha->iobase->isp;
1da177e4
LT		 174 status = 0;
175
43fac4d9 176 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 177 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
c821e0d5 180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 181 break;
1da177e4 182 if (stat & HSR_RISC_PAUSED) {
85880801 183 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 184 break;
185
1da177e4 186 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 187
1da177e4 188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
1da177e4 192 else
7c3df132
SK		 193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
1da177e4
LT		 196
197 /*
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
a06a0f8e 200 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 201 */
202 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(&reg->hccr);
07f31805 204
e315cd28
AC		 205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 207 break;
208 } else if ((stat & HSR_RISC_INT) == 0)
209 break;
210
1da177e4 211 switch (stat & 0xff) {
1da177e4
LT		 212 case 0x1:
213 case 0x2:
214 case 0x10:
215 case 0x11:
e315cd28 216 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 217 status |= MBX_INTERRUPT;
218
219 /* Release mailbox registers. */
220 WRT_REG_WORD(&reg->semaphore, 0);
221 break;
222 case 0x12:
9a853f71
AV		 223 mb[0] = MSW(stat);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 227 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 228 break;
229 case 0x13:
73208dfd 230 qla2x00_process_response_queue(rsp);
1da177e4
LT		 231 break;
232 case 0x15:
9a853f71
AV		 233 mb[0] = MBA_CMPLT_1_16BIT;
234 mb[1] = MSW(stat);
73208dfd 235 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 236 break;
237 case 0x16:
9a853f71
AV		 238 mb[0] = MBA_SCSI_COMPLETION;
239 mb[1] = MSW(stat);
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 241 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 242 break;
243 default:
7c3df132
SK		 244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 246 break;
247 }
248 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(&reg->hccr);
250 }
36439832 251 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 253
1da177e4
LT		 254 return (IRQ_HANDLED);
255}
256
257/**
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
261 */
262static void
e315cd28 263qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 264{
265 uint16_t cnt;
4fa94f83 266 uint32_t mboxes;
1da177e4 267 uint16_t __iomem *wptr;
e315cd28 268 struct qla_hw_data *ha = vha->hw;
3d71644c 269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 270
4fa94f83
AV		 271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
273 if (!ha->mcp)
a720101d 274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 275 else
276 mboxes = ha->mcp->in_mb;
277
1da177e4
LT		 278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
4fa94f83 281 mboxes >>= 1;
1da177e4
LT		 282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
283
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 285 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 289 else if (mboxes & BIT_0)
1da177e4 290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 291
1da177e4 292 wptr++;
4fa94f83 293 mboxes >>= 1;
1da177e4 294 }
1da177e4
LT		 295}
296
8a659571
AV		 297static void
298qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
299{
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
302 int rval;
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
307
308 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)&reg24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
313 else
314 return;
315
8a659571
AV		 316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
318
7c3df132 319 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 320 "Inter-Driver Communication %s -- "
7c3df132
SK		 321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
454073c9
SV		 324 switch (aen) {
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
327 if (mb[1] >> 15) {
328 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 330 complete(&vha->hw->dcbx_comp);
331 }
332 break;
333
334 case MBA_IDC_NOTIFY:
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
340
341 if (!timeout)
342 return;
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
347 break;
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
354 break;
bf5b8ad7 355 }
8a659571
AV		 356}
357
daae62a3 358#define LS_UNKNOWN 2
d0297c9a
JC		 359const char *
360qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 361{
f73cb695
CD		 362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 364 };
f73cb695 365#define QLA_LAST_SPEED 7
daae62a3
CD		 366
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 368 return link_speeds[0];
369 else if (speed == 0x13)
f73cb695
CD		 370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 372 return link_speeds[speed];
373 else
374 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 375}
376
fa492630 377static void
7d613ac6
SV		 378qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
379{
380 struct qla_hw_data *ha = vha->hw;
381
382 /*
383 * 8200 AEN Interpretation:
384 * mb[0] = AEN code
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
392 */
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
399
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
405
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
408
409 /*
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
421 */
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
435 "iteself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 533 if (ha->flags.nic_core_reset_owner)
534 return;
7d613ac6
SV		 535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537}
538
bb4cf5b7
CD		 539int
540qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541{
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562}
563
17cac3a1
JC		 564static inline fc_port_t *
565qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566{
567 fc_port_t *fcport;
568
569 list_for_each_entry(fcport, &vha->vp_fcports, list)
570 if (fcport->loop_id == loop_id)
571 return fcport;
572 return NULL;
573}
574
1da177e4
LT		 575/**
576 * qla2x00_async_event() - Process aynchronous events.
577 * @ha: SCSI driver HA context
9a853f71 578 * @mb: Mailbox registers (0 - 3)
1da177e4 579 */
2c3dfe3f 580void
73208dfd 581qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 582{
1da177e4 583 uint16_t handle_cnt;
bdab23da 584 uint16_t cnt, mbx;
1da177e4 585 uint32_t handles[5];
e315cd28 586 struct qla_hw_data *ha = vha->hw;
3d71644c 587 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 588 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 589 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
52c82823 590 uint32_t rscn_entry, host_pid;
4d4df193 591 unsigned long flags;
ef86cb20 592 fc_port_t *fcport = NULL;
1da177e4
LT		 593
594 /* Setup to process RIO completion. */
595 handle_cnt = 0;
6246b8a1 596 if (IS_CNA_CAPABLE(ha))
3a03eb79 597 goto skip_rio;
1da177e4
LT		 598 switch (mb[0]) {
599 case MBA_SCSI_COMPLETION:
9a853f71 600 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 601 handle_cnt = 1;
602 break;
603 case MBA_CMPLT_1_16BIT:
9a853f71 604 handles[0] = mb[1];
1da177e4
LT		 605 handle_cnt = 1;
606 mb[0] = MBA_SCSI_COMPLETION;
607 break;
608 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 609 handles[0] = mb[1];
610 handles[1] = mb[2];
1da177e4
LT		 611 handle_cnt = 2;
612 mb[0] = MBA_SCSI_COMPLETION;
613 break;
614 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 615 handles[0] = mb[1];
616 handles[1] = mb[2];
617 handles[2] = mb[3];
1da177e4
LT		 618 handle_cnt = 3;
619 mb[0] = MBA_SCSI_COMPLETION;
620 break;
621 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 622 handles[0] = mb[1];
623 handles[1] = mb[2];
624 handles[2] = mb[3];
1da177e4
LT		 625 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
626 handle_cnt = 4;
627 mb[0] = MBA_SCSI_COMPLETION;
628 break;
629 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 630 handles[0] = mb[1];
631 handles[1] = mb[2];
632 handles[2] = mb[3];
1da177e4
LT		 633 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
634 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
635 handle_cnt = 5;
636 mb[0] = MBA_SCSI_COMPLETION;
637 break;
638 case MBA_CMPLT_2_32BIT:
9a853f71 639 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 640 handles[1] = le32_to_cpu(
641 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
642 RD_MAILBOX_REG(ha, reg, 6));
643 handle_cnt = 2;
644 mb[0] = MBA_SCSI_COMPLETION;
645 break;
646 default:
647 break;
648 }
3a03eb79 649skip_rio:
1da177e4
LT		 650 switch (mb[0]) {
651 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 652 if (!vha->flags.online)
1da177e4
LT		 653 break;
654
655 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 656 qla2x00_process_completed_request(vha, rsp->req,
657 handles[cnt]);
1da177e4
LT		 658 break;
659
660 case MBA_RESET: /* Reset */
7c3df132
SK		 661 ql_dbg(ql_dbg_async, vha, 0x5002,
662 "Asynchronous RESET.\n");
1da177e4 663
e315cd28 664 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 665 break;
666
667 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 668 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 669 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 670 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 671 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
672 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 673
e315cd28 674 ha->isp_ops->fw_dump(vha, 1);
1da177e4 675
e428924c 676 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 677 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 678 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 679 "Unrecoverable Hardware Error: adapter "
680 "marked OFFLINE!\n");
e315cd28 681 vha->flags.online = 0;
6246b8a1 682 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 683 } else {
25985edc 684 /* Check to see if MPI timeout occurred */
f73cb695 685 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 686 set_bit(MPI_RESET_NEEDED,
687 &vha->dpc_flags);
688
e315cd28 689 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 690 }
9a853f71 691 } else if (mb[1] == 0) {
7c3df132 692 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 693 "Unrecoverable Hardware Error: adapter marked "
694 "OFFLINE!\n");
e315cd28 695 vha->flags.online = 0;
6246b8a1 696 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 697 } else
e315cd28 698 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 699 break;
700
701 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 702 ql_log(ql_log_warn, vha, 0x5006,
703 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 704
e315cd28 705 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 706 break;
707
708 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132 709 ql_log(ql_log_warn, vha, 0x5007,
41233cd3 710 "ISP Response Transfer Error (%x).\n", mb[1]);
1da177e4 711
e315cd28 712 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 713 break;
714
715 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132 716 ql_dbg(ql_dbg_async, vha, 0x5008,
41233cd3
JC		 717 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
718 break;
1da177e4 719
41233cd3 720 case MBA_LOOP_INIT_ERR:
75d560e0 721 ql_log(ql_log_warn, vha, 0x5090,
41233cd3
JC		 722 "LOOP INIT ERROR (%x).\n", mb[1]);
723 ha->isp_ops->fw_dump(vha, 1);
724 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2d70c103 725 break;
41233cd3 726
1da177e4 727 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 728 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 729 "LIP occurred (%x).\n", mb[1]);
1da177e4 730
e315cd28
AC		 731 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
732 atomic_set(&vha->loop_state, LOOP_DOWN);
733 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
734 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 735 }
736
e315cd28
AC		 737 if (vha->vp_idx) {
738 atomic_set(&vha->vp_state, VP_FAILED);
739 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 740 }
741
e315cd28
AC		 742 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
743 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 744
e315cd28
AC		 745 vha->flags.management_server_logged_in = 0;
746 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 747 break;
748
749 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 750 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 751 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 752 else
1da177e4 753 ha->link_data_rate = mb[1];
1da177e4 754
8e5a9484 755 ql_log(ql_log_info, vha, 0x500a,
daae62a3 756 "LOOP UP detected (%s Gbps).\n",
d0297c9a 757 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 758
e315cd28
AC		 759 vha->flags.management_server_logged_in = 0;
760 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 761 break;
762
763 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 764 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
765 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 766 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
767 : mbx;
8e5a9484 768 ql_log(ql_log_info, vha, 0x500b,
7c3df132
SK		 769 "LOOP DOWN detected (%x %x %x %x).\n",
770 mb[1], mb[2], mb[3], mbx);
1da177e4 771
e315cd28
AC		 772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
773 atomic_set(&vha->loop_state, LOOP_DOWN);
774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2486c627
HM		 775 /*
776 * In case of loop down, restore WWPN from
777 * NVRAM in case of FA-WWPN capable ISP
718abbdc 778 * Restore for Physical Port only
2486c627 779 */
718abbdc
SC		 780 if (!vha->vp_idx) {
781 if (ha->flags.fawwpn_enabled) {
782 void *wwpn = ha->init_cb->port_name;
783 memcpy(vha->port_name, wwpn, WWN_SIZE);
784 fc_host_port_name(vha->host) =
785 wwn_to_u64(vha->port_name);
786 ql_dbg(ql_dbg_init + ql_dbg_verbose,
787 vha, 0x0144, "LOOP DOWN detected,"
788 "restore WWPN %016llx\n",
789 wwn_to_u64(vha->port_name));
790 }
791
792 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
2486c627
HM		 793 }
794
e315cd28
AC		 795 vha->device_flags |= DFLG_NO_CABLE;
796 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 797 }
798
e315cd28
AC		 799 if (vha->vp_idx) {
800 atomic_set(&vha->vp_state, VP_FAILED);
801 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 802 }
803
e315cd28 804 vha->flags.management_server_logged_in = 0;
d8b45213 805 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 806 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 807 break;
808
809 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 810 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 811 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 812
e315cd28
AC		 813 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
814 atomic_set(&vha->loop_state, LOOP_DOWN);
815 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
816 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 817 }
818
e315cd28
AC		 819 if (vha->vp_idx) {
820 atomic_set(&vha->vp_state, VP_FAILED);
821 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 822 }
823
e315cd28 824 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 825
826 ha->operating_mode = LOOP;
e315cd28
AC		 827 vha->flags.management_server_logged_in = 0;
828 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 829 break;
830
3a03eb79 831 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 832 case MBA_POINT_TO_POINT: /* Point-to-Point */
833 if (IS_QLA2100(ha))
834 break;
835
7ec0effd 836 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 837 ql_dbg(ql_dbg_async, vha, 0x500d,
838 "DCBX Completed -- %04x %04x %04x.\n",
839 mb[1], mb[2], mb[3]);
9aaf2cea 840 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 841 complete(&ha->dcbx_comp);
842
843 } else
7c3df132
SK		 844 ql_dbg(ql_dbg_async, vha, 0x500e,
845 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 846
847 /*
848 * Until there's a transition from loop down to loop up, treat
849 * this as loop down only.
850 */
e315cd28
AC		 851 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
852 atomic_set(&vha->loop_state, LOOP_DOWN);
853 if (!atomic_read(&vha->loop_down_timer))
854 atomic_set(&vha->loop_down_timer,
1da177e4 855 LOOP_DOWN_TIME);
e315cd28 856 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 857 }
858
e315cd28
AC		 859 if (vha->vp_idx) {
860 atomic_set(&vha->vp_state, VP_FAILED);
861 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 862 }
863
e315cd28
AC		 864 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
865 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
866
867 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
868 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 869
870 ha->flags.gpsc_supported = 1;
e315cd28 871 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 872 break;
873
874 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
875 if (IS_QLA2100(ha))
876 break;
877
cfb0919c 878 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 879 "Configuration change detected: value=%x.\n", mb[1]);
880
e315cd28
AC		 881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
882 atomic_set(&vha->loop_state, LOOP_DOWN);
883 if (!atomic_read(&vha->loop_down_timer))
884 atomic_set(&vha->loop_down_timer,
1da177e4 885 LOOP_DOWN_TIME);
e315cd28 886 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 887 }
888
e315cd28
AC		 889 if (vha->vp_idx) {
890 atomic_set(&vha->vp_state, VP_FAILED);
891 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 892 }
893
e315cd28
AC		 894 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
895 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 896 break;
897
898 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 899 /*
900 * Handle only global and vn-port update events
901 *
902 * Relevant inputs:
903 * mb[1] = N_Port handle of changed port
904 * OR 0xffff for global event
905 * mb[2] = New login state
906 * 7 = Port logged out
907 * mb[3] = LSB is vp_idx, 0xff = all vps
908 *
909 * Skip processing if:
910 * Event is global, vp_idx is NOT all vps,
911 * vp_idx does not match
912 * Event is not global, vp_idx does not match
913 */
12cec63e
AV		 914 if (IS_QLA2XXX_MIDTYPE(ha) &&
915 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
916 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
917 break;
73208dfd 918
17cac3a1 919 if (mb[2] == 0x7) {
7c3df132 920 ql_dbg(ql_dbg_async, vha, 0x5010,
17cac3a1
JC		 921 "Port %s %04x %04x %04x.\n",
922 mb[1] == 0xffff ? "unavailable" : "logout",
7c3df132 923 mb[1], mb[2], mb[3]);
17cac3a1
JC		 924
925 if (mb[1] == 0xffff)
926 goto global_port_update;
927
928 /* Port logout */
929 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
930 if (!fcport)
931 break;
932 if (atomic_read(&fcport->state) != FCS_ONLINE)
933 break;
934 ql_dbg(ql_dbg_async, vha, 0x508a,
935 "Marking port lost loopid=%04x portid=%06x.\n",
936 fcport->loop_id, fcport->d_id.b24);
937 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
938 break;
939
940global_port_update:
9764ff88
AV		 941 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
942 atomic_set(&vha->loop_state, LOOP_DOWN);
943 atomic_set(&vha->loop_down_timer,
944 LOOP_DOWN_TIME);
945 vha->device_flags |= DFLG_NO_CABLE;
946 qla2x00_mark_all_devices_lost(vha, 1);
947 }
948
949 if (vha->vp_idx) {
950 atomic_set(&vha->vp_state, VP_FAILED);
951 fc_vport_set_state(vha->fc_vport,
952 FC_VPORT_FAILED);
faadc5e7 953 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 954 }
955
956 vha->flags.management_server_logged_in = 0;
957 ha->link_data_rate = PORT_SPEED_UNKNOWN;
958 break;
959 }
960
1da177e4 961 /*
cc3ef7bc 962 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 963 * event etc. earlier indicating loop is down) then process
964 * it. Otherwise ignore it and Wait for RSCN to come in.
965 */
e315cd28 966 atomic_set(&vha->loop_down_timer, 0);
8e5a9484
CD		 967 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
968 atomic_read(&vha->loop_state) != LOOP_DEAD) {
7c3df132
SK		 969 ql_dbg(ql_dbg_async, vha, 0x5011,
970 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
971 mb[1], mb[2], mb[3]);
2d70c103
NB		 972
973 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 974 break;
975 }
976
7c3df132
SK		 977 ql_dbg(ql_dbg_async, vha, 0x5012,
978 "Port database changed %04x %04x %04x.\n",
979 mb[1], mb[2], mb[3]);
1da177e4
LT		 980
981 /*
982 * Mark all devices as missing so we will login again.
983 */
e315cd28 984 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 985
e315cd28 986 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 987
2d70c103
NB		 988 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
989 set_bit(SCR_PENDING, &vha->dpc_flags);
990
e315cd28
AC		 991 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
992 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
ded6411f 993 set_bit(VP_CONFIG_OK, &vha->vp_flags);
2d70c103
NB		 994
995 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 996 break;
997
998 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 999 /* Check if the Vport has issued a SCR */
e315cd28 1000 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 1001 break;
1002 /* Only handle SCNs for our Vport index. */
0d6e61bc 1003 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 1004 break;
0d6e61bc 1005
7c3df132
SK		 1006 ql_dbg(ql_dbg_async, vha, 0x5013,
1007 "RSCN database changed -- %04x %04x %04x.\n",
1008 mb[1], mb[2], mb[3]);
1da177e4 1009
59d72d87 1010 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 1011 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1012 | vha->d_id.b.al_pa;
1da177e4 1013 if (rscn_entry == host_pid) {
7c3df132
SK		 1014 ql_dbg(ql_dbg_async, vha, 0x5014,
1015 "Ignoring RSCN update to local host "
1016 "port ID (%06x).\n", host_pid);
1da177e4
LT		 1017 break;
1018 }
1019
59d72d87
RA		 1020 /* Ignore reserved bits from RSCN-payload. */
1021 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 1022
bb4cf5b7
CD		 1023 /* Skip RSCNs for virtual ports on the same physical port */
1024 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1025 break;
1026
ef86cb20
CD		 1027 /*
1028 * Search for the rport related to this RSCN entry and mark it
1029 * as lost.
1030 */
1031 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1032 if (atomic_read(&fcport->state) != FCS_ONLINE)
1033 continue;
ef86cb20
CD		 1034 if (fcport->d_id.b24 == rscn_entry) {
1035 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1036 break;
1037 }
1038 }
1039
e315cd28
AC		 1040 atomic_set(&vha->loop_down_timer, 0);
1041 vha->flags.management_server_logged_in = 0;
1da177e4 1042
e315cd28
AC		 1043 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1044 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1045 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 1046 break;
1047
1048 /* case MBA_RIO_RESPONSE: */
1049 case MBA_ZIO_RESPONSE:
7c3df132
SK		 1050 ql_dbg(ql_dbg_async, vha, 0x5015,
1051 "[R|Z]IO update completion.\n");
1da177e4 1052
e428924c 1053 if (IS_FWI2_CAPABLE(ha))
2afa19a9 1054 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 1055 else
73208dfd 1056 qla2x00_process_response_queue(rsp);
1da177e4 1057 break;
9a853f71
AV		 1058
1059 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 1060 ql_dbg(ql_dbg_async, vha, 0x5016,
1061 "Discard RND Frame -- %04x %04x %04x.\n",
1062 mb[1], mb[2], mb[3]);
9a853f71 1063 break;
45ebeb56
AV		 1064
1065 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 1066 ql_dbg(ql_dbg_async, vha, 0x5017,
1067 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1068 break;
4d4df193
HK		 1069
1070 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1071 ql_dbg(ql_dbg_async, vha, 0x5018,
1072 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1073 mb[1], mb[2], mb[3]);
4d4df193
HK		 1074
1075 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1076 switch (mb[1]) {
1077 case A84_PANIC_RECOVERY:
7c3df132
SK		 1078 ql_log(ql_log_info, vha, 0x5019,
1079 "Alert 84XX: panic recovery %04x %04x.\n",
1080 mb[2], mb[3]);
4d4df193
HK		 1081 break;
1082 case A84_OP_LOGIN_COMPLETE:
1083 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1084 ql_log(ql_log_info, vha, 0x501a,
1085 "Alert 84XX: firmware version %x.\n",
1086 ha->cs84xx->op_fw_version);
4d4df193
HK		 1087 break;
1088 case A84_DIAG_LOGIN_COMPLETE:
1089 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1090 ql_log(ql_log_info, vha, 0x501b,
1091 "Alert 84XX: diagnostic firmware version %x.\n",
1092 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1093 break;
1094 case A84_GOLD_LOGIN_COMPLETE:
1095 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1096 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1097 ql_log(ql_log_info, vha, 0x501c,
1098 "Alert 84XX: gold firmware version %x.\n",
1099 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1100 break;
1101 default:
7c3df132
SK		 1102 ql_log(ql_log_warn, vha, 0x501d,
1103 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1104 mb[1], mb[2], mb[3]);
1105 }
1106 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1107 break;
3a03eb79 1108 case MBA_DCBX_START:
7c3df132
SK		 1109 ql_dbg(ql_dbg_async, vha, 0x501e,
1110 "DCBX Started -- %04x %04x %04x.\n",
1111 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1112 break;
1113 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1114 ql_dbg(ql_dbg_async, vha, 0x501f,
1115 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1116 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1117 break;
1118 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1119 ql_dbg(ql_dbg_async, vha, 0x5020,
1120 "FCF Configuration Error -- %04x %04x %04x.\n",
1121 mb[1], mb[2], mb[3]);
3a03eb79 1122 break;
3a03eb79 1123 case MBA_IDC_NOTIFY:
7ec0effd 1124 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1125 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1126 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1127 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1128 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1129 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1130 /*
1131 * Extend loop down timer since port is active.
1132 */
1133 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1134 atomic_set(&vha->loop_down_timer,
1135 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1136 qla2xxx_wake_dpc(vha);
1137 }
67b2a31f 1138 }
8fcd6b8b 1139 case MBA_IDC_COMPLETE:
9aaf2cea 1140 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1141 complete(&ha->lb_portup_comp);
1142 /* Fallthru */
3a03eb79 1143 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1144 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1145 IS_QLA8044(ha))
7d613ac6
SV		 1146 qla81xx_idc_event(vha, mb[0], mb[1]);
1147 break;
1148
1149 case MBA_IDC_AEN:
1150 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1151 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1152 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1153 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1154 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1155 break;
7d613ac6 1156
b5a340dd
JC		 1157 case MBA_DPORT_DIAGNOSTICS:
1158 ql_dbg(ql_dbg_async, vha, 0x5052,
ef55e513 1159 "D-Port Diagnostics: %04x result=%s\n",
ec891462 1160 mb[0],
b5a340dd 1161 mb[1] == 0 ? "start" :
ef55e513
JC		 1162 mb[1] == 1 ? "done (pass)" :
1163 mb[1] == 2 ? "done (error)" : "other");
b5a340dd
JC		 1164 break;
1165
a29b3dd7
JC		 1166 case MBA_TEMPERATURE_ALERT:
1167 ql_dbg(ql_dbg_async, vha, 0x505e,
1168 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1169 if (mb[1] == 0x12)
1170 schedule_work(&ha->board_disable);
1171 break;
1172
6246b8a1
GM		 1173 default:
1174 ql_dbg(ql_dbg_async, vha, 0x5057,
1175 "Unknown AEN:%04x %04x %04x %04x\n",
1176 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1177 }
2c3dfe3f 1178
2d70c103
NB		 1179 qlt_async_event(mb[0], vha, mb);
1180
e315cd28 1181 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1182 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1183}
1184
1185/**
1186 * qla2x00_process_completed_request() - Process a Fast Post response.
1187 * @ha: SCSI driver HA context
1188 * @index: SRB index
1189 */
8ae6d9c7 1190void
73208dfd 1191qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1192 struct req_que *req, uint32_t index)
1da177e4
LT		 1193{
1194 srb_t *sp;
e315cd28 1195 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1196
1197 /* Validate handle. */
8d93f550 1198 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1199 ql_log(ql_log_warn, vha, 0x3014,
1200 "Invalid SCSI command index (%x).\n", index);
1da177e4 1201
7ec0effd 1202 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1203 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1204 else
1205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1206 return;
1207 }
1208
e315cd28 1209 sp = req->outstanding_cmds[index];
1da177e4
LT		 1210 if (sp) {
1211 /* Free outstanding command slot. */
e315cd28 1212 req->outstanding_cmds[index] = NULL;
1da177e4 1213
1da177e4 1214 /* Save ISP completion status */
9ba56b95 1215 sp->done(ha, sp, DID_OK << 16);
1da177e4 1216 } else {
7c3df132 1217 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1218
7ec0effd 1219 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1220 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1221 else
1222 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1223 }
1224}
1225
8ae6d9c7 1226srb_t *
ac280b67
AV		 1227qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1228 struct req_que *req, void *iocb)
1229{
1230 struct qla_hw_data *ha = vha->hw;
1231 sts_entry_t *pkt = iocb;
1232 srb_t *sp = NULL;
1233 uint16_t index;
1234
1235 index = LSW(pkt->handle);
8d93f550 1236 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1237 ql_log(ql_log_warn, vha, 0x5031,
1238 "Invalid command index (%x).\n", index);
7ec0effd 1239 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1240 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1241 else
1242 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1243 goto done;
1244 }
1245 sp = req->outstanding_cmds[index];
1246 if (!sp) {
7c3df132
SK		 1247 ql_log(ql_log_warn, vha, 0x5032,
1248 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1249 return sp;
1250 }
1251 if (sp->handle != index) {
7c3df132
SK		 1252 ql_log(ql_log_warn, vha, 0x5033,
1253 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1254 return NULL;
1255 }
9a069e19 1256
ac280b67 1257 req->outstanding_cmds[index] = NULL;
9a069e19 1258
ac280b67
AV		 1259done:
1260 return sp;
1261}
1262
1263static void
1264qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1265 struct mbx_entry *mbx)
1266{
1267 const char func[] = "MBX-IOCB";
1268 const char *type;
ac280b67
AV		 1269 fc_port_t *fcport;
1270 srb_t *sp;
4916392b 1271 struct srb_iocb *lio;
99b0bec7 1272 uint16_t *data;
5ff1d584 1273 uint16_t status;
ac280b67
AV		 1274
1275 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1276 if (!sp)
1277 return;
1278
9ba56b95
GM		 1279 lio = &sp->u.iocb_cmd;
1280 type = sp->name;
ac280b67 1281 fcport = sp->fcport;
4916392b 1282 data = lio->u.logio.data;
ac280b67 1283
5ff1d584 1284 data[0] = MBS_COMMAND_ERROR;
4916392b 1285 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1286 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1287 if (mbx->entry_status) {
7c3df132 1288 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1289 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1290 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1291 "status-flags=%x.\n", type, sp->handle,
1292 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1293 fcport->d_id.b.al_pa, mbx->entry_status,
1294 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1295 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1296
cfb0919c 1297 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1298 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1299
99b0bec7 1300 goto logio_done;
ac280b67
AV		 1301 }
1302
5ff1d584 1303 status = le16_to_cpu(mbx->status);
9ba56b95 1304 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1305 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1306 status = 0;
1307 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1308 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1309 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1310 type, sp->handle, fcport->d_id.b.domain,
1311 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1312 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1313
1314 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1315 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1316 fcport->port_type = FCT_TARGET;
1317 if (le16_to_cpu(mbx->mb1) & BIT_0)
1318 fcport->port_type = FCT_INITIATOR;
6ac52608 1319 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1320 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1321 }
99b0bec7 1322 goto logio_done;
ac280b67
AV		 1323 }
1324
1325 data[0] = le16_to_cpu(mbx->mb0);
1326 switch (data[0]) {
1327 case MBS_PORT_ID_USED:
1328 data[1] = le16_to_cpu(mbx->mb1);
1329 break;
1330 case MBS_LOOP_ID_USED:
1331 break;
1332 default:
1333 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1334 break;
1335 }
1336
7c3df132 1337 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1338 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1339 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1340 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1341 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1342 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1343 le16_to_cpu(mbx->mb7));
ac280b67 1344
99b0bec7 1345logio_done:
9ba56b95 1346 sp->done(vha, sp, 0);
ac280b67
AV		 1347}
1348
9bc4f4fb
HZ		 1349static void
1350qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1351 sts_entry_t *pkt, int iocb_type)
1352{
1353 const char func[] = "CT_IOCB";
1354 const char *type;
9bc4f4fb 1355 srb_t *sp;
75cc8cfc 1356 struct bsg_job *bsg_job;
01e0e15c 1357 struct fc_bsg_reply *bsg_reply;
9bc4f4fb 1358 uint16_t comp_status;
9ba56b95 1359 int res;
9bc4f4fb
HZ		 1360
1361 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1362 if (!sp)
1363 return;
1364
9ba56b95 1365 bsg_job = sp->u.bsg_job;
01e0e15c 1366 bsg_reply = bsg_job->reply;
9bc4f4fb 1367
9ba56b95 1368 type = "ct pass-through";
9bc4f4fb
HZ		 1369
1370 comp_status = le16_to_cpu(pkt->comp_status);
1371
1372 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1373 * fc payload to the caller
1374 */
01e0e15c 1375 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9bc4f4fb
HZ		 1376 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1377
1378 if (comp_status != CS_COMPLETE) {
1379 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1380 res = DID_OK << 16;
01e0e15c 1381 bsg_reply->reply_payload_rcv_len =
9bc4f4fb
HZ		 1382 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1383
7c3df132
SK		 1384 ql_log(ql_log_warn, vha, 0x5048,
1385 "CT pass-through-%s error "
9bc4f4fb 1386 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132 1387 type, comp_status,
01e0e15c 1388 bsg_reply->reply_payload_rcv_len);
9bc4f4fb 1389 } else {
7c3df132
SK		 1390 ql_log(ql_log_warn, vha, 0x5049,
1391 "CT pass-through-%s error "
1392 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1393 res = DID_ERROR << 16;
01e0e15c 1394 bsg_reply->reply_payload_rcv_len = 0;
9bc4f4fb 1395 }
cfb0919c 1396 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1397 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1398 } else {
9ba56b95 1399 res = DID_OK << 16;
01e0e15c 1400 bsg_reply->reply_payload_rcv_len =
9bc4f4fb
HZ		 1401 bsg_job->reply_payload.payload_len;
1402 bsg_job->reply_len = 0;
1403 }
1404
9ba56b95 1405 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1406}
1407
9a069e19
GM		 1408static void
1409qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1410 struct sts_entry_24xx *pkt, int iocb_type)
1411{
1412 const char func[] = "ELS_CT_IOCB";
1413 const char *type;
9a069e19 1414 srb_t *sp;
75cc8cfc 1415 struct bsg_job *bsg_job;
01e0e15c 1416 struct fc_bsg_reply *bsg_reply;
9a069e19
GM		 1417 uint16_t comp_status;
1418 uint32_t fw_status[3];
1419 uint8_t* fw_sts_ptr;
9ba56b95 1420 int res;
9a069e19
GM		 1421
1422 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1423 if (!sp)
1424 return;
9ba56b95 1425 bsg_job = sp->u.bsg_job;
01e0e15c 1426 bsg_reply = bsg_job->reply;
9a069e19
GM		 1427
1428 type = NULL;
9ba56b95 1429 switch (sp->type) {
9a069e19
GM		 1430 case SRB_ELS_CMD_RPT:
1431 case SRB_ELS_CMD_HST:
1432 type = "els";
1433 break;
1434 case SRB_CT_CMD:
1435 type = "ct pass-through";
1436 break;
6eb54715
HM		 1437 case SRB_ELS_DCMD:
1438 type = "Driver ELS logo";
1439 ql_dbg(ql_dbg_user, vha, 0x5047,
1440 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1441 sp->done(vha, sp, 0);
1442 return;
9a069e19 1443 default:
37fed3ee 1444 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1445 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1446 return;
1447 }
1448
1449 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1450 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1451 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1452
1453 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1454 * fc payload to the caller
1455 */
01e0e15c 1456 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9a069e19
GM		 1457 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1458
1459 if (comp_status != CS_COMPLETE) {
1460 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1461 res = DID_OK << 16;
01e0e15c 1462 bsg_reply->reply_payload_rcv_len =
9ba56b95 1463 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1464
37fed3ee 1465 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1466 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1467 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1468 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1469 le16_to_cpu(((struct els_sts_entry_24xx *)
1470 pkt)->total_byte_count));
9a069e19
GM		 1471 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1472 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1473 }
1474 else {
37fed3ee 1475 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1476 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1477 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1478 type, sp->handle, comp_status,
7c3df132
SK		 1479 le16_to_cpu(((struct els_sts_entry_24xx *)
1480 pkt)->error_subcode_1),
1481 le16_to_cpu(((struct els_sts_entry_24xx *)
1482 pkt)->error_subcode_2));
9ba56b95 1483 res = DID_ERROR << 16;
01e0e15c 1484 bsg_reply->reply_payload_rcv_len = 0;
9a069e19
GM		 1485 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1486 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1487 }
37fed3ee 1488 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1489 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1490 }
1491 else {
9ba56b95 1492 res = DID_OK << 16;
01e0e15c 1493 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
9a069e19
GM		 1494 bsg_job->reply_len = 0;
1495 }
1496
9ba56b95 1497 sp->done(vha, sp, res);
9a069e19
GM		 1498}
1499
ac280b67
AV		 1500static void
1501qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1502 struct logio_entry_24xx *logio)
1503{
1504 const char func[] = "LOGIO-IOCB";
1505 const char *type;
ac280b67
AV		 1506 fc_port_t *fcport;
1507 srb_t *sp;
4916392b 1508 struct srb_iocb *lio;
99b0bec7 1509 uint16_t *data;
ac280b67
AV		 1510 uint32_t iop[2];
1511
1512 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1513 if (!sp)
1514 return;
1515
9ba56b95
GM		 1516 lio = &sp->u.iocb_cmd;
1517 type = sp->name;
ac280b67 1518 fcport = sp->fcport;
4916392b 1519 data = lio->u.logio.data;
ac280b67 1520
5ff1d584 1521 data[0] = MBS_COMMAND_ERROR;
4916392b 1522 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1523 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1524 if (logio->entry_status) {
5e19ed90 1525 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1526 "Async-%s error entry - hdl=%x"
d3fa9e7d 1527 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1528 type, sp->handle, fcport->d_id.b.domain,
1529 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1530 logio->entry_status);
1531 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1532 (uint8_t *)logio, sizeof(*logio));
ac280b67 1533
99b0bec7 1534 goto logio_done;
ac280b67
AV		 1535 }
1536
1537 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1538 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1539 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1540 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1541 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1542 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1543
1544 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1545 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1546 goto logio_done;
ac280b67
AV		 1547
1548 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1549 if (iop[0] & BIT_4) {
1550 fcport->port_type = FCT_TARGET;
1551 if (iop[0] & BIT_8)
8474f3a0 1552 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1553 } else if (iop[0] & BIT_5)
ac280b67 1554 fcport->port_type = FCT_INITIATOR;
b0cd579c 1555
2d70c103
NB		 1556 if (iop[0] & BIT_7)
1557 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1558
ac280b67
AV		 1559 if (logio->io_parameter[7] || logio->io_parameter[8])
1560 fcport->supported_classes |= FC_COS_CLASS2;
1561 if (logio->io_parameter[9] || logio->io_parameter[10])
1562 fcport->supported_classes |= FC_COS_CLASS3;
1563
99b0bec7 1564 goto logio_done;
ac280b67
AV		 1565 }
1566
1567 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1568 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1569 switch (iop[0]) {
1570 case LSC_SCODE_PORTID_USED:
1571 data[0] = MBS_PORT_ID_USED;
1572 data[1] = LSW(iop[1]);
1573 break;
1574 case LSC_SCODE_NPORT_USED:
1575 data[0] = MBS_LOOP_ID_USED;
1576 break;
ac280b67
AV		 1577 default:
1578 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1579 break;
1580 }
1581
5e19ed90 1582 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1583 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1584 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1585 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1586 le16_to_cpu(logio->comp_status),
1587 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1588 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1589
99b0bec7 1590logio_done:
9ba56b95 1591 sp->done(vha, sp, 0);
ac280b67
AV		 1592}
1593
3822263e 1594static void
faef62d1 1595qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1596{
1597 const char func[] = "TMF-IOCB";
1598 const char *type;
1599 fc_port_t *fcport;
1600 srb_t *sp;
1601 struct srb_iocb *iocb;
3822263e 1602 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1603
1604 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1605 if (!sp)
1606 return;
1607
9ba56b95
GM		 1608 iocb = &sp->u.iocb_cmd;
1609 type = sp->name;
3822263e 1610 fcport = sp->fcport;
faef62d1 1611 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1612
1613 if (sts->entry_status) {
5e19ed90 1614 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1615 "Async-%s error - hdl=%x entry-status(%x).\n",
1616 type, sp->handle, sts->entry_status);
faef62d1 1617 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
ad950360 1618 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1619 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1620 "Async-%s error - hdl=%x completion status(%x).\n",
1621 type, sp->handle, sts->comp_status);
faef62d1
AB		 1622 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1623 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1624 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1625 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1626 ql_log(ql_log_warn, fcport->vha, 0x503b,
1627 "Async-%s error - hdl=%x not enough response(%d).\n",
1628 type, sp->handle, sts->rsp_data_len);
1629 } else if (sts->data[3]) {
1630 ql_log(ql_log_warn, fcport->vha, 0x503c,
1631 "Async-%s error - hdl=%x response(%x).\n",
1632 type, sp->handle, sts->data[3]);
8d2b21db 1633 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
faef62d1 1634 }
3822263e
MI		 1635 }
1636
faef62d1 1637 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1638 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1639 (uint8_t *)sts, sizeof(*sts));
3822263e 1640
9ba56b95 1641 sp->done(vha, sp, 0);
3822263e
MI		 1642}
1643
1da177e4
LT		 1644/**
1645 * qla2x00_process_response_queue() - Process response queue entries.
1646 * @ha: SCSI driver HA context
1647 */
1648void
73208dfd 1649qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1650{
73208dfd
AC		 1651 struct scsi_qla_host *vha;
1652 struct qla_hw_data *ha = rsp->hw;
3d71644c 1653 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1654 sts_entry_t *pkt;
1655 uint16_t handle_cnt;
1656 uint16_t cnt;
73208dfd 1657
2afa19a9 1658 vha = pci_get_drvdata(ha->pdev);
1da177e4 1659
e315cd28 1660 if (!vha->flags.online)
1da177e4
LT		 1661 return;
1662
e315cd28
AC		 1663 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1664 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1665
e315cd28
AC		 1666 rsp->ring_index++;
1667 if (rsp->ring_index == rsp->length) {
1668 rsp->ring_index = 0;
1669 rsp->ring_ptr = rsp->ring;
1da177e4 1670 } else {
e315cd28 1671 rsp->ring_ptr++;
1da177e4
LT		 1672 }
1673
1674 if (pkt->entry_status != 0) {
73208dfd 1675 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1676 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1677 wmb();
1678 continue;
1679 }
1680
1681 switch (pkt->entry_type) {
1682 case STATUS_TYPE:
73208dfd 1683 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1684 break;
1685 case STATUS_TYPE_21:
1686 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1687 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1688 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1689 ((sts21_entry_t *)pkt)->handle[cnt]);
1690 }
1691 break;
1692 case STATUS_TYPE_22:
1693 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1694 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1695 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1696 ((sts22_entry_t *)pkt)->handle[cnt]);
1697 }
1698 break;
1699 case STATUS_CONT_TYPE:
2afa19a9 1700 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1701 break;
ac280b67
AV		 1702 case MBX_IOCB_TYPE:
1703 qla2x00_mbx_iocb_entry(vha, rsp->req,
1704 (struct mbx_entry *)pkt);
3822263e 1705 break;
9bc4f4fb
HZ		 1706 case CT_IOCB_TYPE:
1707 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1708 break;
1da177e4
LT		 1709 default:
1710 /* Type Not Supported. */
7c3df132
SK		 1711 ql_log(ql_log_warn, vha, 0x504a,
1712 "Received unknown response pkt type %x "
1da177e4 1713 "entry status=%x.\n",
7c3df132 1714 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1715 break;
1716 }
1717 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1718 wmb();
1719 }
1720
1721 /* Adjust ring index */
e315cd28 1722 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1723}
1724
4733fcb1 1725static inline void
5544213b 1726qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1727 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1728{
7c3df132 1729 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1730 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1731 uint32_t track_sense_len;
4733fcb1
AV		 1732
1733 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1734 sense_len = SCSI_SENSE_BUFFERSIZE;
1735
9ba56b95
GM		 1736 SET_CMD_SENSE_LEN(sp, sense_len);
1737 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1738 track_sense_len = sense_len;
1739
1740 if (sense_len > par_sense_len)
5544213b 1741 sense_len = par_sense_len;
4733fcb1
AV		 1742
1743 memcpy(cp->sense_buffer, sense_data, sense_len);
1744
9ba56b95
GM		 1745 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1746 track_sense_len -= sense_len;
1747 SET_CMD_SENSE_LEN(sp, track_sense_len);
1748
1749 if (track_sense_len != 0) {
2afa19a9 1750 rsp->status_srb = sp;
9ba56b95
GM		 1751 cp->result = res;
1752 }
4733fcb1 1753
cfb0919c
CD		 1754 if (sense_len) {
1755 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
9cb78c16 1756 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
cfb0919c
CD		 1757 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1758 cp);
7c3df132
SK		 1759 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1760 cp->sense_buffer, sense_len);
cfb0919c 1761 }
4733fcb1
AV		 1762}
1763
bad75002
AE		 1764struct scsi_dif_tuple {
1765 __be16 guard; /* Checksum */
d6a03581 1766 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1767 __be32 ref_tag; /* Target LBA or indirect LBA */
1768};
1769
1770/*
1771 * Checks the guard or meta-data for the type of error
1772 * detected by the HBA. In case of errors, we set the
1773 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1774 * to indicate to the kernel that the HBA detected error.
1775 */
8cb2049c 1776static inline int
bad75002
AE		 1777qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1778{
7c3df132 1779 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1780 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1781 uint8_t *ap = &sts24->data[12];
1782 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1783 uint32_t e_ref_tag, a_ref_tag;
1784 uint16_t e_app_tag, a_app_tag;
1785 uint16_t e_guard, a_guard;
1786
8cb2049c
AE		 1787 /*
1788 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1789 * would make guard field appear at offset 2
1790 */
1791 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1792 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1793 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1794 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1795 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1796 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1797
7c3df132
SK		 1798 ql_dbg(ql_dbg_io, vha, 0x3023,
1799 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1800
7c3df132
SK		 1801 ql_dbg(ql_dbg_io, vha, 0x3024,
1802 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1803 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1804 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1805 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1806 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1807
8cb2049c
AE		 1808 /*
1809 * Ignore sector if:
1810 * For type 3: ref & app tag is all 'f's
1811 * For type 0,1,2: app tag is all 'f's
1812 */
1813 if ((a_app_tag == 0xffff) &&
1814 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1815 (a_ref_tag == 0xffffffff))) {
1816 uint32_t blocks_done, resid;
1817 sector_t lba_s = scsi_get_lba(cmd);
1818
1819 /* 2TB boundary case covered automatically with this */
1820 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1821
1822 resid = scsi_bufflen(cmd) - (blocks_done *
1823 cmd->device->sector_size);
1824
1825 scsi_set_resid(cmd, resid);
1826 cmd->result = DID_OK << 16;
1827
1828 /* Update protection tag */
1829 if (scsi_prot_sg_count(cmd)) {
1830 uint32_t i, j = 0, k = 0, num_ent;
1831 struct scatterlist *sg;
27c0e83b 1832 struct t10_pi_tuple *spt;
8cb2049c
AE		 1833
1834 /* Patch the corresponding protection tags */
1835 scsi_for_each_prot_sg(cmd, sg,
1836 scsi_prot_sg_count(cmd), i) {
1837 num_ent = sg_dma_len(sg) / 8;
1838 if (k + num_ent < blocks_done) {
1839 k += num_ent;
1840 continue;
1841 }
1842 j = blocks_done - k - 1;
1843 k = blocks_done;
1844 break;
1845 }
1846
1847 if (k != blocks_done) {
cfb0919c 1848 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1849 "unexpected tag values tag:lba=%x:%llx)\n",
1850 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1851 return 1;
1852 }
1853
1854 spt = page_address(sg_page(sg)) + sg->offset;
1855 spt += j;
1856
1857 spt->app_tag = 0xffff;
1858 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1859 spt->ref_tag = 0xffffffff;
1860 }
1861
1862 return 0;
1863 }
1864
bad75002
AE		 1865 /* check guard */
1866 if (e_guard != a_guard) {
1867 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1868 0x10, 0x1);
1869 set_driver_byte(cmd, DRIVER_SENSE);
1870 set_host_byte(cmd, DID_ABORT);
1871 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1872 return 1;
bad75002
AE		 1873 }
1874
e02587d7
AE		 1875 /* check ref tag */
1876 if (e_ref_tag != a_ref_tag) {
bad75002 1877 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1878 0x10, 0x3);
bad75002
AE		 1879 set_driver_byte(cmd, DRIVER_SENSE);
1880 set_host_byte(cmd, DID_ABORT);
1881 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1882 return 1;
bad75002
AE		 1883 }
1884
e02587d7
AE		 1885 /* check appl tag */
1886 if (e_app_tag != a_app_tag) {
bad75002 1887 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1888 0x10, 0x2);
bad75002
AE		 1889 set_driver_byte(cmd, DRIVER_SENSE);
1890 set_host_byte(cmd, DID_ABORT);
1891 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1892 return 1;
bad75002 1893 }
e02587d7 1894
8cb2049c 1895 return 1;
bad75002
AE		 1896}
1897
a9b6f722
SK		 1898static void
1899qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1900 struct req_que *req, uint32_t index)
1901{
1902 struct qla_hw_data *ha = vha->hw;
1903 srb_t *sp;
1904 uint16_t comp_status;
1905 uint16_t scsi_status;
1906 uint16_t thread_id;
1907 uint32_t rval = EXT_STATUS_OK;
75cc8cfc 1908 struct bsg_job *bsg_job = NULL;
01e0e15c
JT		 1909 struct fc_bsg_request *bsg_request;
1910 struct fc_bsg_reply *bsg_reply;
a9b6f722
SK		 1911 sts_entry_t *sts;
1912 struct sts_entry_24xx *sts24;
1913 sts = (sts_entry_t *) pkt;
1914 sts24 = (struct sts_entry_24xx *) pkt;
1915
1916 /* Validate handle. */
8d93f550 1917 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1918 ql_log(ql_log_warn, vha, 0x70af,
1919 "Invalid SCSI completion handle 0x%x.\n", index);
1920 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1921 return;
1922 }
1923
1924 sp = req->outstanding_cmds[index];
01e0e15c 1925 if (!sp) {
a9b6f722
SK		 1926 ql_log(ql_log_warn, vha, 0x70b0,
1927 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1928 req->id, index);
1929
1930 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1931 return;
1932 }
1933
01e0e15c
JT		 1934 /* Free outstanding command slot. */
1935 req->outstanding_cmds[index] = NULL;
1936 bsg_job = sp->u.bsg_job;
1937 bsg_request = bsg_job->request;
1938 bsg_reply = bsg_job->reply;
1939
a9b6f722
SK		 1940 if (IS_FWI2_CAPABLE(ha)) {
1941 comp_status = le16_to_cpu(sts24->comp_status);
1942 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1943 } else {
1944 comp_status = le16_to_cpu(sts->comp_status);
1945 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1946 }
1947
01e0e15c 1948 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
a9b6f722
SK		 1949 switch (comp_status) {
1950 case CS_COMPLETE:
1951 if (scsi_status == 0) {
01e0e15c 1952 bsg_reply->reply_payload_rcv_len =
a9b6f722 1953 bsg_job->reply_payload.payload_len;
fabbb8df 1954 vha->qla_stats.input_bytes +=
01e0e15c 1955 bsg_reply->reply_payload_rcv_len;
fabbb8df 1956 vha->qla_stats.input_requests++;
a9b6f722
SK		 1957 rval = EXT_STATUS_OK;
1958 }
1959 goto done;
1960
1961 case CS_DATA_OVERRUN:
1962 ql_dbg(ql_dbg_user, vha, 0x70b1,
1963 "Command completed with date overrun thread_id=%d\n",
1964 thread_id);
1965 rval = EXT_STATUS_DATA_OVERRUN;
1966 break;
1967
1968 case CS_DATA_UNDERRUN:
1969 ql_dbg(ql_dbg_user, vha, 0x70b2,
1970 "Command completed with date underrun thread_id=%d\n",
1971 thread_id);
1972 rval = EXT_STATUS_DATA_UNDERRUN;
1973 break;
1974 case CS_BIDIR_RD_OVERRUN:
1975 ql_dbg(ql_dbg_user, vha, 0x70b3,
1976 "Command completed with read data overrun thread_id=%d\n",
1977 thread_id);
1978 rval = EXT_STATUS_DATA_OVERRUN;
1979 break;
1980
1981 case CS_BIDIR_RD_WR_OVERRUN:
1982 ql_dbg(ql_dbg_user, vha, 0x70b4,
1983 "Command completed with read and write data overrun "
1984 "thread_id=%d\n", thread_id);
1985 rval = EXT_STATUS_DATA_OVERRUN;
1986 break;
1987
1988 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1989 ql_dbg(ql_dbg_user, vha, 0x70b5,
1990 "Command completed with read data over and write data "
1991 "underrun thread_id=%d\n", thread_id);
1992 rval = EXT_STATUS_DATA_OVERRUN;
1993 break;
1994
1995 case CS_BIDIR_RD_UNDERRUN:
1996 ql_dbg(ql_dbg_user, vha, 0x70b6,
1997 "Command completed with read data data underrun "
1998 "thread_id=%d\n", thread_id);
1999 rval = EXT_STATUS_DATA_UNDERRUN;
2000 break;
2001
2002 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2003 ql_dbg(ql_dbg_user, vha, 0x70b7,
2004 "Command completed with read data under and write data "
2005 "overrun thread_id=%d\n", thread_id);
2006 rval = EXT_STATUS_DATA_UNDERRUN;
2007 break;
2008
2009 case CS_BIDIR_RD_WR_UNDERRUN:
2010 ql_dbg(ql_dbg_user, vha, 0x70b8,
2011 "Command completed with read and write data underrun "
2012 "thread_id=%d\n", thread_id);
2013 rval = EXT_STATUS_DATA_UNDERRUN;
2014 break;
2015
2016 case CS_BIDIR_DMA:
2017 ql_dbg(ql_dbg_user, vha, 0x70b9,
2018 "Command completed with data DMA error thread_id=%d\n",
2019 thread_id);
2020 rval = EXT_STATUS_DMA_ERR;
2021 break;
2022
2023 case CS_TIMEOUT:
2024 ql_dbg(ql_dbg_user, vha, 0x70ba,
2025 "Command completed with timeout thread_id=%d\n",
2026 thread_id);
2027 rval = EXT_STATUS_TIMEOUT;
2028 break;
2029 default:
2030 ql_dbg(ql_dbg_user, vha, 0x70bb,
2031 "Command completed with completion status=0x%x "
2032 "thread_id=%d\n", comp_status, thread_id);
2033 rval = EXT_STATUS_ERR;
2034 break;
2035 }
01e0e15c 2036 bsg_reply->reply_payload_rcv_len = 0;
a9b6f722
SK		 2037
2038done:
2039 /* Return the vendor specific reply to API */
01e0e15c 2040 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
a9b6f722
SK		 2041 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2042 /* Always return DID_OK, bsg will send the vendor specific response
2043 * in this case only */
2044 sp->done(vha, sp, (DID_OK << 6));
2045
2046}
2047
1da177e4
LT		 2048/**
2049 * qla2x00_status_entry() - Process a Status IOCB entry.
2050 * @ha: SCSI driver HA context
2051 * @pkt: Entry pointer
2052 */
2053static void
73208dfd 2054qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 2055{
1da177e4 2056 srb_t *sp;
1da177e4
LT		 2057 fc_port_t *fcport;
2058 struct scsi_cmnd *cp;
9a853f71
AV		 2059 sts_entry_t *sts;
2060 struct sts_entry_24xx *sts24;
1da177e4
LT		 2061 uint16_t comp_status;
2062 uint16_t scsi_status;
b7d2280c 2063 uint16_t ox_id;
1da177e4
LT		 2064 uint8_t lscsi_status;
2065 int32_t resid;
5544213b
AV		 2066 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2067 fw_resid_len;
9a853f71 2068 uint8_t *rsp_info, *sense_data;
e315cd28 2069 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 2070 uint32_t handle;
2071 uint16_t que;
2072 struct req_que *req;
b7d2280c 2073 int logit = 1;
9ba56b95 2074 int res = 0;
a9b6f722 2075 uint16_t state_flags = 0;
e05fe292 2076 uint16_t retry_delay = 0;
9a853f71
AV		 2077
2078 sts = (sts_entry_t *) pkt;
2079 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 2080 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 2081 comp_status = le16_to_cpu(sts24->comp_status);
2082 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 2083 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 2084 } else {
2085 comp_status = le16_to_cpu(sts->comp_status);
2086 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2087 }
2afa19a9
AC		 2088 handle = (uint32_t) LSW(sts->handle);
2089 que = MSW(sts->handle);
2090 req = ha->req_q_map[que];
a9083016 2091
36008cf1
CD		 2092 /* Check for invalid queue pointer */
2093 if (req == NULL ||
2094 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2095 ql_dbg(ql_dbg_io, vha, 0x3059,
2096 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2097 "que=%u.\n", sts->handle, req, que);
2098 return;
2099 }
2100
1da177e4 2101 /* Validate handle. */
c7bc4cae 2102 if (handle < req->num_outstanding_cmds) {
2afa19a9 2103 sp = req->outstanding_cmds[handle];
c7bc4cae
CD		 2104 if (!sp) {
2105 ql_dbg(ql_dbg_io, vha, 0x3075,
2106 "%s(%ld): Already returned command for status handle (0x%x).\n",
2107 __func__, vha->host_no, sts->handle);
2108 return;
2109 }
2110 } else {
cfb0919c 2111 ql_dbg(ql_dbg_io, vha, 0x3017,
c7bc4cae
CD		 2112 "Invalid status handle, out of range (0x%x).\n",
2113 sts->handle);
1da177e4 2114
acd3ce88
CD		 2115 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2116 if (IS_P3P_TYPE(ha))
2117 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2118 else
2119 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2120 qla2xxx_wake_dpc(vha);
2121 }
1da177e4
LT		 2122 return;
2123 }
a9b6f722
SK		 2124
2125 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2126 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2127 return;
2128 }
2129
faef62d1
AB		 2130 /* Task Management completion. */
2131 if (sp->type == SRB_TM_CMD) {
2132 qla24xx_tm_iocb_entry(vha, req, pkt);
2133 return;
2134 }
2135
a9b6f722
SK		 2136 /* Fast path completion. */
2137 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2138 qla2x00_process_completed_request(vha, req, handle);
2139
2140 return;
2141 }
2142
2143 req->outstanding_cmds[handle] = NULL;
9ba56b95 2144 cp = GET_CMD_SP(sp);
1da177e4 2145 if (cp == NULL) {
cfb0919c 2146 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2147 "Command already returned (0x%x/%p).\n",
2148 sts->handle, sp);
1da177e4
LT		 2149
2150 return;
2151 }
2152
8ae6d9c7 2153 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2154
bdf79621 2155 fcport = sp->fcport;
1da177e4 2156
b7d2280c 2157 ox_id = 0;
5544213b
AV		 2158 sense_len = par_sense_len = rsp_info_len = resid_len =
2159 fw_resid_len = 0;
e428924c 2160 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2161 if (scsi_status & SS_SENSE_LEN_VALID)
2162 sense_len = le32_to_cpu(sts24->sense_len);
2163 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2164 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2165 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2166 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2167 if (comp_status == CS_DATA_UNDERRUN)
2168 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2169 rsp_info = sts24->data;
2170 sense_data = sts24->data;
2171 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2172 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2173 par_sense_len = sizeof(sts24->data);
e05fe292
CD		 2174 /* Valid values of the retry delay timer are 0x1-0xffef */
2175 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2176 retry_delay = sts24->retry_delay;
9a853f71 2177 } else {
0f00a206
LC		 2178 if (scsi_status & SS_SENSE_LEN_VALID)
2179 sense_len = le16_to_cpu(sts->req_sense_length);
2180 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2181 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2182 resid_len = le32_to_cpu(sts->residual_length);
2183 rsp_info = sts->rsp_info;
2184 sense_data = sts->req_sense_data;
5544213b 2185 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2186 }
2187
1da177e4
LT		 2188 /* Check for any FCP transport errors. */
2189 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2190 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2191 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2192 sense_data += rsp_info_len;
5544213b
AV		 2193 par_sense_len -= rsp_info_len;
2194 }
9a853f71 2195 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2196 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2197 "FCP I/O protocol failure (0x%x/0x%x).\n",
2198 rsp_info_len, rsp_info[3]);
1da177e4 2199
9ba56b95 2200 res = DID_BUS_BUSY << 16;
b7d2280c 2201 goto out;
1da177e4
LT		 2202 }
2203 }
2204
3e8ce320
AV		 2205 /* Check for overrun. */
2206 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2207 scsi_status & SS_RESIDUAL_OVER)
2208 comp_status = CS_DATA_OVERRUN;
2209
e05fe292
CD		 2210 /*
2211 * Check retry_delay_timer value if we receive a busy or
2212 * queue full.
2213 */
2214 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2215 lscsi_status == SAM_STAT_BUSY)
2216 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2217
1da177e4
LT		 2218 /*
2219 * Based on Host and scsi status generate status code for Linux
2220 */
2221 switch (comp_status) {
2222 case CS_COMPLETE:
df7baa50 2223 case CS_QUEUE_FULL:
1da177e4 2224 if (scsi_status == 0) {
9ba56b95 2225 res = DID_OK << 16;
1da177e4
LT		 2226 break;
2227 }
2228 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2229 resid = resid_len;
385d70b4 2230 scsi_set_resid(cp, resid);
0da69df1
AV		 2231
2232 if (!lscsi_status &&
385d70b4 2233 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2234 cp->underflow)) {
5e19ed90 2235 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2236 "Mid-layer underflow "
b7d2280c 2237 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2238 resid, scsi_bufflen(cp));
0da69df1 2239
9ba56b95 2240 res = DID_ERROR << 16;
0da69df1
AV		 2241 break;
2242 }
1da177e4 2243 }
9ba56b95 2244 res = DID_OK << 16 | lscsi_status;
1da177e4 2245
df7baa50 2246 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2247 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2248 "QUEUE FULL detected.\n");
df7baa50
AV		 2249 break;
2250 }
b7d2280c 2251 logit = 0;
1da177e4
LT		 2252 if (lscsi_status != SS_CHECK_CONDITION)
2253 break;
2254
b80ca4f7 2255 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2256 if (!(scsi_status & SS_SENSE_LEN_VALID))
2257 break;
2258
5544213b 2259 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2260 rsp, res);
1da177e4
LT		 2261 break;
2262
2263 case CS_DATA_UNDERRUN:
ed17c71b 2264 /* Use F/W calculated residual length. */
0f00a206
LC		 2265 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2266 scsi_set_resid(cp, resid);
2267 if (scsi_status & SS_RESIDUAL_UNDER) {
2268 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2269 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2270 "Dropped frame(s) detected "
2271 "(0x%x of 0x%x bytes).\n",
2272 resid, scsi_bufflen(cp));
0f00a206 2273
9ba56b95 2274 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2275 goto check_scsi_status;
6acf8190 2276 }
ed17c71b 2277
0f00a206
LC		 2278 if (!lscsi_status &&
2279 ((unsigned)(scsi_bufflen(cp) - resid) <
2280 cp->underflow)) {
5e19ed90 2281 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2282 "Mid-layer underflow "
b7d2280c 2283 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2284 resid, scsi_bufflen(cp));
e038a1be 2285
9ba56b95 2286 res = DID_ERROR << 16;
0f00a206
LC		 2287 break;
2288 }
4aee5766
GM		 2289 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2290 lscsi_status != SAM_STAT_BUSY) {
2291 /*
2292 * scsi status of task set and busy are considered to be
2293 * task not completed.
2294 */
2295
5e19ed90 2296 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2297 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2298 "of 0x%x bytes).\n", resid,
2299 scsi_bufflen(cp));
0f00a206 2300
9ba56b95 2301 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2302 goto check_scsi_status;
4aee5766
GM		 2303 } else {
2304 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2305 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2306 scsi_status, lscsi_status);
1da177e4
LT		 2307 }
2308
9ba56b95 2309 res = DID_OK << 16 | lscsi_status;
b7d2280c 2310 logit = 0;
0f00a206 2311
0374f55e 2312check_scsi_status:
1da177e4 2313 /*
fa2a1ce5 2314 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2315 * Status.
2316 */
2317 if (lscsi_status != 0) {
ffec28a3 2318 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2319 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2320 "QUEUE FULL detected.\n");
b7d2280c 2321 logit = 1;
ffec28a3
AV		 2322 break;
2323 }
1da177e4
LT		 2324 if (lscsi_status != SS_CHECK_CONDITION)
2325 break;
2326
b80ca4f7 2327 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2328 if (!(scsi_status & SS_SENSE_LEN_VALID))
2329 break;
2330
5544213b 2331 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2332 sense_len, rsp, res);
1da177e4
LT		 2333 }
2334 break;
2335
1da177e4
LT		 2336 case CS_PORT_LOGGED_OUT:
2337 case CS_PORT_CONFIG_CHG:
2338 case CS_PORT_BUSY:
2339 case CS_INCOMPLETE:
2340 case CS_PORT_UNAVAILABLE:
b7d2280c 2341 case CS_TIMEOUT:
ff454b01
CD		 2342 case CS_RESET:
2343
056a4483
MC		 2344 /*
2345 * We are going to have the fc class block the rport
2346 * while we try to recover so instruct the mid layer
2347 * to requeue until the class decides how to handle this.
2348 */
9ba56b95 2349 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2350
2351 if (comp_status == CS_TIMEOUT) {
2352 if (IS_FWI2_CAPABLE(ha))
2353 break;
2354 else if ((le16_to_cpu(sts->status_flags) &
2355 SF_LOGOUT_SENT) == 0)
2356 break;
2357 }
2358
5e19ed90 2359 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
0e948975
CD		 2360 "Port to be marked lost on fcport=%02x%02x%02x, current "
2361 "port state= %s.\n", fcport->d_id.b.domain,
2362 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2363 port_state_str[atomic_read(&fcport->state)]);
b7d2280c 2364
a7a28504 2365 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2366 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2367 break;
2368
1da177e4 2369 case CS_ABORTED:
9ba56b95 2370 res = DID_RESET << 16;
1da177e4 2371 break;
bad75002
AE		 2372
2373 case CS_DIF_ERROR:
8cb2049c 2374 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2375 res = cp->result;
bad75002 2376 break;
9e522cd8
AE		 2377
2378 case CS_TRANSPORT:
2379 res = DID_ERROR << 16;
2380
2381 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2382 break;
2383
2384 if (state_flags & BIT_4)
2385 scmd_printk(KERN_WARNING, cp,
2386 "Unsupported device '%s' found.\n",
2387 cp->device->vendor);
2388 break;
2389
1da177e4 2390 default:
9ba56b95 2391 res = DID_ERROR << 16;
1da177e4
LT		 2392 break;
2393 }
2394
b7d2280c
AV		 2395out:
2396 if (logit)
5e19ed90 2397 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
9cb78c16 2398 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
7b833558 2399 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
c7bc4cae 2400 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
9ba56b95 2401 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2402 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2403 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2404 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
c7bc4cae 2405 resid_len, fw_resid_len, sp, cp);
b7d2280c 2406
2afa19a9 2407 if (rsp->status_srb == NULL)
9ba56b95 2408 sp->done(ha, sp, res);
1da177e4
LT		 2409}
2410
2411/**
2412 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2413 * @ha: SCSI driver HA context
2414 * @pkt: Entry pointer
2415 *
2416 * Extended sense data.
2417 */
2418static void
2afa19a9 2419qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2420{
9ba56b95 2421 uint8_t sense_sz = 0;
2afa19a9 2422 struct qla_hw_data *ha = rsp->hw;
7c3df132 2423 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2424 srb_t *sp = rsp->status_srb;
1da177e4 2425 struct scsi_cmnd *cp;
9ba56b95
GM		 2426 uint32_t sense_len;
2427 uint8_t *sense_ptr;
1da177e4 2428
9ba56b95
GM		 2429 if (!sp || !GET_CMD_SENSE_LEN(sp))
2430 return;
1da177e4 2431
9ba56b95
GM		 2432 sense_len = GET_CMD_SENSE_LEN(sp);
2433 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2434
9ba56b95
GM		 2435 cp = GET_CMD_SP(sp);
2436 if (cp == NULL) {
2437 ql_log(ql_log_warn, vha, 0x3025,
2438 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2439
9ba56b95
GM		 2440 rsp->status_srb = NULL;
2441 return;
1da177e4 2442 }
1da177e4 2443
9ba56b95
GM		 2444 if (sense_len > sizeof(pkt->data))
2445 sense_sz = sizeof(pkt->data);
2446 else
2447 sense_sz = sense_len;
c4631191 2448
9ba56b95
GM		 2449 /* Move sense data. */
2450 if (IS_FWI2_CAPABLE(ha))
2451 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2452 memcpy(sense_ptr, pkt->data, sense_sz);
2453 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2454 sense_ptr, sense_sz);
c4631191 2455
9ba56b95
GM		 2456 sense_len -= sense_sz;
2457 sense_ptr += sense_sz;
c4631191 2458
9ba56b95
GM		 2459 SET_CMD_SENSE_PTR(sp, sense_ptr);
2460 SET_CMD_SENSE_LEN(sp, sense_len);
2461
2462 /* Place command on done queue. */
2463 if (sense_len == 0) {
2464 rsp->status_srb = NULL;
2465 sp->done(ha, sp, cp->result);
c4631191 2466 }
c4631191
GM		 2467}
2468
1da177e4
LT		 2469/**
2470 * qla2x00_error_entry() - Process an error entry.
2471 * @ha: SCSI driver HA context
2472 * @pkt: Entry pointer
2473 */
2474static void
73208dfd 2475qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2476{
2477 srb_t *sp;
e315cd28 2478 struct qla_hw_data *ha = vha->hw;
c4631191 2479 const char func[] = "ERROR-IOCB";
2afa19a9 2480 uint16_t que = MSW(pkt->handle);
a6fe35c0 2481 struct req_que *req = NULL;
9ba56b95 2482 int res = DID_ERROR << 16;
7c3df132 2483
9ba56b95
GM		 2484 ql_dbg(ql_dbg_async, vha, 0x502a,
2485 "type of error status in response: 0x%x\n", pkt->entry_status);
2486
a6fe35c0
AE		 2487 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2488 goto fatal;
2489
2490 req = ha->req_q_map[que];
2491
9ba56b95
GM		 2492 if (pkt->entry_status & RF_BUSY)
2493 res = DID_BUS_BUSY << 16;
1da177e4 2494
4f060736
QT		 2495 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2496 pkt->handle == QLA_TGT_SKIP_HANDLE)
2497 return;
2498
c4631191 2499 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2500 if (sp) {
9ba56b95 2501 sp->done(ha, sp, res);
a6fe35c0 2502 return;
1da177e4 2503 }
a6fe35c0
AE		 2504fatal:
2505 ql_log(ql_log_warn, vha, 0x5030,
fd49a540 2506 "Error entry - invalid handle/queue (%04x).\n", que);
1da177e4
LT		 2507}
2508
9a853f71
AV		 2509/**
2510 * qla24xx_mbx_completion() - Process mailbox command completions.
2511 * @ha: SCSI driver HA context
2512 * @mb0: Mailbox0 register
2513 */
2514static void
e315cd28 2515qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2516{
2517 uint16_t cnt;
4fa94f83 2518 uint32_t mboxes;
9a853f71 2519 uint16_t __iomem *wptr;
e315cd28 2520 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2521 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2522
4fa94f83
AV		 2523 /* Read all mbox registers? */
2524 mboxes = (1 << ha->mbx_count) - 1;
2525 if (!ha->mcp)
a720101d 2526 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2527 else
2528 mboxes = ha->mcp->in_mb;
2529
9a853f71
AV		 2530 /* Load return mailbox registers. */
2531 ha->flags.mbox_int = 1;
2532 ha->mailbox_out[0] = mb0;
4fa94f83 2533 mboxes >>= 1;
9a853f71
AV		 2534 wptr = (uint16_t __iomem *)&reg->mailbox1;
2535
2536 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2537 if (mboxes & BIT_0)
2538 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2539
2540 mboxes >>= 1;
9a853f71
AV		 2541 wptr++;
2542 }
9a853f71
AV		 2543}
2544
4440e46d
AB		 2545static void
2546qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2547 struct abort_entry_24xx *pkt)
2548{
2549 const char func[] = "ABT_IOCB";
2550 srb_t *sp;
2551 struct srb_iocb *abt;
2552
2553 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2554 if (!sp)
2555 return;
2556
2557 abt = &sp->u.iocb_cmd;
2558 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2559 sp->done(vha, sp, 0);
2560}
2561
9a853f71
AV		 2562/**
2563 * qla24xx_process_response_queue() - Process response queue entries.
2564 * @ha: SCSI driver HA context
2565 */
2afa19a9
AC		 2566void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2567 struct rsp_que *rsp)
9a853f71 2568{
9a853f71 2569 struct sts_entry_24xx *pkt;
a9083016 2570 struct qla_hw_data *ha = vha->hw;
9a853f71 2571
e315cd28 2572 if (!vha->flags.online)
9a853f71
AV		 2573 return;
2574
e315cd28
AC		 2575 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2576 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2577
e315cd28
AC		 2578 rsp->ring_index++;
2579 if (rsp->ring_index == rsp->length) {
2580 rsp->ring_index = 0;
2581 rsp->ring_ptr = rsp->ring;
9a853f71 2582 } else {
e315cd28 2583 rsp->ring_ptr++;
9a853f71
AV		 2584 }
2585
2586 if (pkt->entry_status != 0) {
73208dfd 2587 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103 2588
f83adb61
QT		 2589 if (qlt_24xx_process_response_error(vha, pkt))
2590 goto process_err;
2d70c103 2591
9a853f71
AV		 2592 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2593 wmb();
2594 continue;
2595 }
f83adb61 2596process_err:
9a853f71
AV		 2597
2598 switch (pkt->entry_type) {
2599 case STATUS_TYPE:
73208dfd 2600 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2601 break;
2602 case STATUS_CONT_TYPE:
2afa19a9 2603 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2604 break;
2c3dfe3f 2605 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2606 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2607 (struct vp_rpt_id_entry_24xx *)pkt);
2608 break;
ac280b67
AV		 2609 case LOGINOUT_PORT_IOCB_TYPE:
2610 qla24xx_logio_entry(vha, rsp->req,
2611 (struct logio_entry_24xx *)pkt);
2612 break;
f83adb61 2613 case CT_IOCB_TYPE:
9a069e19 2614 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2615 break;
f83adb61 2616 case ELS_IOCB_TYPE:
9a069e19
GM		 2617 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2618 break;
2d70c103 2619 case ABTS_RECV_24XX:
2f424b9b
QT		 2620 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2621 /* ensure that the ATIO queue is empty */
2622 qlt_handle_abts_recv(vha, (response_t *)pkt);
2623 break;
2624 } else {
2625 /* drop through */
2626 qlt_24xx_process_atio_queue(vha, 1);
2627 }
2d70c103
NB		 2628 case ABTS_RESP_24XX:
2629 case CTIO_TYPE7:
2630 case NOTIFY_ACK_TYPE:
f83adb61 2631 case CTIO_CRC2:
2d70c103
NB		 2632 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2633 break;
54883291
SK		 2634 case MARKER_TYPE:
2635 /* Do nothing in this case, this check is to prevent it
2636 * from falling into default case
2637 */
2638 break;
4440e46d
AB		 2639 case ABORT_IOCB_TYPE:
2640 qla24xx_abort_iocb_entry(vha, rsp->req,
2641 (struct abort_entry_24xx *)pkt);
2642 break;
9a853f71
AV		 2643 default:
2644 /* Type Not Supported. */
7c3df132
SK		 2645 ql_dbg(ql_dbg_async, vha, 0x5042,
2646 "Received unknown response pkt type %x "
9a853f71 2647 "entry status=%x.\n",
7c3df132 2648 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2649 break;
2650 }
2651 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2652 wmb();
2653 }
2654
2655 /* Adjust ring index */
7ec0effd 2656 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2657 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2658 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2659 } else
2660 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2661}
2662
05236a05 2663static void
e315cd28 2664qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2665{
2666 int rval;
2667 uint32_t cnt;
e315cd28 2668 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2669 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2670
f73cb695
CD		 2671 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2672 !IS_QLA27XX(ha))
05236a05
AV		 2673 return;
2674
2675 rval = QLA_SUCCESS;
2676 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2677 RD_REG_DWORD(&reg->iobase_addr);
2678 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2679 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2680 rval == QLA_SUCCESS; cnt--) {
2681 if (cnt) {
2682 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2683 udelay(10);
2684 } else
2685 rval = QLA_FUNCTION_TIMEOUT;
2686 }
2687 if (rval == QLA_SUCCESS)
2688 goto next_test;
2689
b2ec76c5 2690 rval = QLA_SUCCESS;
05236a05
AV		 2691 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2692 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2693 rval == QLA_SUCCESS; cnt--) {
2694 if (cnt) {
2695 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2696 udelay(10);
2697 } else
2698 rval = QLA_FUNCTION_TIMEOUT;
2699 }
2700 if (rval != QLA_SUCCESS)
2701 goto done;
2702
2703next_test:
2704 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2705 ql_log(ql_log_info, vha, 0x504c,
2706 "Additional code -- 0x55AA.\n");
05236a05
AV		 2707
2708done:
2709 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2710 RD_REG_DWORD(&reg->iobase_window);
2711}
2712
9a853f71 2713/**
6246b8a1 2714 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2715 * @irq:
2716 * @dev_id: SCSI driver HA context
9a853f71
AV		 2717 *
2718 * Called by system whenever the host adapter generates an interrupt.
2719 *
2720 * Returns handled flag.
2721 */
2722irqreturn_t
7d12e780 2723qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2724{
e315cd28
AC		 2725 scsi_qla_host_t *vha;
2726 struct qla_hw_data *ha;
9a853f71
AV		 2727 struct device_reg_24xx __iomem *reg;
2728 int status;
9a853f71
AV		 2729 unsigned long iter;
2730 uint32_t stat;
2731 uint32_t hccr;
7d613ac6 2732 uint16_t mb[8];
e315cd28 2733 struct rsp_que *rsp;
43fac4d9 2734 unsigned long flags;
9a853f71 2735
e315cd28
AC		 2736 rsp = (struct rsp_que *) dev_id;
2737 if (!rsp) {
3256b435
CD		 2738 ql_log(ql_log_info, NULL, 0x5059,
2739 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2740 return IRQ_NONE;
2741 }
2742
e315cd28 2743 ha = rsp->hw;
9a853f71
AV		 2744 reg = &ha->iobase->isp24;
2745 status = 0;
2746
85880801
AV		 2747 if (unlikely(pci_channel_offline(ha->pdev)))
2748 return IRQ_HANDLED;
2749
43fac4d9 2750 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2751 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2752 for (iter = 50; iter--; ) {
2753 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2754 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2755 break;
9a853f71 2756 if (stat & HSRX_RISC_PAUSED) {
85880801 2757 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2758 break;
2759
9a853f71
AV		 2760 hccr = RD_REG_DWORD(&reg->hccr);
2761
7c3df132
SK		 2762 ql_log(ql_log_warn, vha, 0x504b,
2763 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2764 hccr);
05236a05 2765
e315cd28 2766 qla2xxx_check_risc_status(vha);
05236a05 2767
e315cd28
AC		 2768 ha->isp_ops->fw_dump(vha, 1);
2769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2770 break;
2771 } else if ((stat & HSRX_RISC_INT) == 0)
2772 break;
2773
2774 switch (stat & 0xff) {
fafbda9f
AE		 2775 case INTR_ROM_MB_SUCCESS:
2776 case INTR_ROM_MB_FAILED:
2777 case INTR_MB_SUCCESS:
2778 case INTR_MB_FAILED:
e315cd28 2779 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2780 status |= MBX_INTERRUPT;
2781
2782 break;
fafbda9f 2783 case INTR_ASYNC_EVENT:
9a853f71
AV		 2784 mb[0] = MSW(stat);
2785 mb[1] = RD_REG_WORD(&reg->mailbox1);
2786 mb[2] = RD_REG_WORD(&reg->mailbox2);
2787 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2788 qla2x00_async_event(vha, rsp, mb);
9a853f71 2789 break;
fafbda9f
AE		 2790 case INTR_RSP_QUE_UPDATE:
2791 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2792 qla24xx_process_response_queue(vha, rsp);
9a853f71 2793 break;
2f424b9b
QT		 2794 case INTR_ATIO_QUE_UPDATE:{
2795 unsigned long flags2;
2796 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2797 qlt_24xx_process_atio_queue(vha, 1);
2798 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 2799 break;
2f424b9b
QT		 2800 }
2801 case INTR_ATIO_RSP_QUE_UPDATE: {
2802 unsigned long flags2;
2803 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2804 qlt_24xx_process_atio_queue(vha, 1);
2805 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2806
2d70c103
NB		 2807 qla24xx_process_response_queue(vha, rsp);
2808 break;
2f424b9b 2809 }
9a853f71 2810 default:
7c3df132
SK		 2811 ql_dbg(ql_dbg_async, vha, 0x504f,
2812 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2813 break;
2814 }
2815 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2816 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2817 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2818 ndelay(3500);
9a853f71 2819 }
36439832 2820 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2822
9a853f71
AV		 2823 return IRQ_HANDLED;
2824}
2825
a8488abe
AV		 2826static irqreturn_t
2827qla24xx_msix_rsp_q(int irq, void *dev_id)
2828{
e315cd28
AC		 2829 struct qla_hw_data *ha;
2830 struct rsp_que *rsp;
a8488abe 2831 struct device_reg_24xx __iomem *reg;
2afa19a9 2832 struct scsi_qla_host *vha;
0f19bc68 2833 unsigned long flags;
f3ddac19 2834 uint32_t stat = 0;
a8488abe 2835
e315cd28
AC		 2836 rsp = (struct rsp_que *) dev_id;
2837 if (!rsp) {
3256b435
CD		 2838 ql_log(ql_log_info, NULL, 0x505a,
2839 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2840 return IRQ_NONE;
2841 }
2842 ha = rsp->hw;
a8488abe
AV		 2843 reg = &ha->iobase->isp24;
2844
0f19bc68 2845 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2846
a67093d4 2847 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2848 /*
2849 * Use host_status register to check to PCI disconnection before we
2850 * we process the response queue.
2851 */
2852 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2853 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2854 goto out;
2afa19a9 2855 qla24xx_process_response_queue(vha, rsp);
3155754a 2856 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2857 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2858 RD_REG_DWORD_RELAXED(&reg->hccr);
2859 }
f3ddac19 2860out:
0f19bc68 2861 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2862
2863 return IRQ_HANDLED;
2864}
2865
2866static irqreturn_t
2867qla24xx_msix_default(int irq, void *dev_id)
2868{
e315cd28
AC		 2869 scsi_qla_host_t *vha;
2870 struct qla_hw_data *ha;
2871 struct rsp_que *rsp;
a8488abe
AV		 2872 struct device_reg_24xx __iomem *reg;
2873 int status;
a8488abe
AV		 2874 uint32_t stat;
2875 uint32_t hccr;
7d613ac6 2876 uint16_t mb[8];
0f19bc68 2877 unsigned long flags;
a8488abe 2878
e315cd28
AC		 2879 rsp = (struct rsp_que *) dev_id;
2880 if (!rsp) {
3256b435
CD		 2881 ql_log(ql_log_info, NULL, 0x505c,
2882 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2883 return IRQ_NONE;
2884 }
2885 ha = rsp->hw;
a8488abe
AV		 2886 reg = &ha->iobase->isp24;
2887 status = 0;
2888
0f19bc68 2889 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2890 vha = pci_get_drvdata(ha->pdev);
87f27015 2891 do {
a8488abe 2892 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2893 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2894 break;
a8488abe 2895 if (stat & HSRX_RISC_PAUSED) {
85880801 2896 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2897 break;
2898
a8488abe
AV		 2899 hccr = RD_REG_DWORD(&reg->hccr);
2900
7c3df132
SK		 2901 ql_log(ql_log_info, vha, 0x5050,
2902 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2903 hccr);
05236a05 2904
e315cd28 2905 qla2xxx_check_risc_status(vha);
05236a05 2906
e315cd28
AC		 2907 ha->isp_ops->fw_dump(vha, 1);
2908 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2909 break;
2910 } else if ((stat & HSRX_RISC_INT) == 0)
2911 break;
2912
2913 switch (stat & 0xff) {
fafbda9f
AE		 2914 case INTR_ROM_MB_SUCCESS:
2915 case INTR_ROM_MB_FAILED:
2916 case INTR_MB_SUCCESS:
2917 case INTR_MB_FAILED:
e315cd28 2918 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2919 status |= MBX_INTERRUPT;
2920
2921 break;
fafbda9f 2922 case INTR_ASYNC_EVENT:
a8488abe
AV		 2923 mb[0] = MSW(stat);
2924 mb[1] = RD_REG_WORD(&reg->mailbox1);
2925 mb[2] = RD_REG_WORD(&reg->mailbox2);
2926 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2927 qla2x00_async_event(vha, rsp, mb);
a8488abe 2928 break;
fafbda9f
AE		 2929 case INTR_RSP_QUE_UPDATE:
2930 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2931 qla24xx_process_response_queue(vha, rsp);
a8488abe 2932 break;
2f424b9b
QT		 2933 case INTR_ATIO_QUE_UPDATE:{
2934 unsigned long flags2;
2935 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2936 qlt_24xx_process_atio_queue(vha, 1);
2937 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 2938 break;
2f424b9b
QT		 2939 }
2940 case INTR_ATIO_RSP_QUE_UPDATE: {
2941 unsigned long flags2;
2942 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2943 qlt_24xx_process_atio_queue(vha, 1);
2944 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2945
2d70c103
NB		 2946 qla24xx_process_response_queue(vha, rsp);
2947 break;
2f424b9b 2948 }
a8488abe 2949 default:
7c3df132
SK		 2950 ql_dbg(ql_dbg_async, vha, 0x5051,
2951 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2952 break;
2953 }
2954 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2955 } while (0);
36439832 2956 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 2957 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 2958
a8488abe
AV		 2959 return IRQ_HANDLED;
2960}
2961
d7459527
MH		 2962irqreturn_t
2963qla2xxx_msix_rsp_q(int irq, void *dev_id)
2964{
2965 struct qla_hw_data *ha;
2966 struct qla_qpair *qpair;
2967 struct device_reg_24xx __iomem *reg;
2968 unsigned long flags;
2969
2970 qpair = dev_id;
2971 if (!qpair) {
2972 ql_log(ql_log_info, NULL, 0x505b,
2973 "%s: NULL response queue pointer.\n", __func__);
2974 return IRQ_NONE;
2975 }
2976 ha = qpair->hw;
2977
2978 /* Clear the interrupt, if enabled, for this response queue */
2979 if (unlikely(!ha->flags.disable_msix_handshake)) {
2980 reg = &ha->iobase->isp24;
2981 spin_lock_irqsave(&ha->hardware_lock, flags);
2982 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2983 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2984 }
2985
2986 queue_work(ha->wq, &qpair->q_work);
2987
2988 return IRQ_HANDLED;
2989}
2990
a8488abe
AV		 2991/* Interrupt handling helpers. */
2992
2993struct qla_init_msix_entry {
a8488abe 2994 const char *name;
476834c2 2995 irq_handler_t handler;
a8488abe
AV		 2996};
2997
d7459527 2998static struct qla_init_msix_entry msix_entries[] = {
2afa19a9
AC		 2999 { "qla2xxx (default)", qla24xx_msix_default },
3000 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
093df737 3001 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
d7459527 3002 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
a8488abe
AV		 3003};
3004
d7459527 3005static struct qla_init_msix_entry qla82xx_msix_entries[] = {
a9083016
GM		 3006 { "qla2xxx (default)", qla82xx_msix_default },
3007 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3008};
3009
a8488abe 3010static int
73208dfd 3011qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 3012{
3013 int i, ret;
a8488abe 3014 struct qla_msix_entry *qentry;
7c3df132 3015 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
17e5fc58
CH		 3016 struct irq_affinity desc = {
3017 .pre_vectors = QLA_BASE_VECTORS,
3018 };
3019
3020 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha))
3021 desc.pre_vectors++;
3022
3023 ret = pci_alloc_irq_vectors_affinity(ha->pdev, QLA_BASE_VECTORS,
3024 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3025 &desc);
73208dfd 3026
84e32a06
AG		 3027 if (ret < 0) {
3028 ql_log(ql_log_fatal, vha, 0x00c7,
3029 "MSI-X: Failed to enable support, "
3030 "giving up -- %d/%d.\n",
3031 ha->msix_count, ret);
3032 goto msix_out;
3033 } else if (ret < ha->msix_count) {
7c3df132
SK		 3034 ql_log(ql_log_warn, vha, 0x00c6,
3035 "MSI-X: Failed to enable support "
d7459527
MH		 3036 "with %d vectors, using %d vectors.\n",
3037 ha->msix_count, ret);
cb43285f 3038 ha->msix_count = ret;
d7459527
MH		 3039 /* Recalculate queue values */
3040 if (ha->mqiobase && ql2xmqsupport) {
3041 ha->max_req_queues = ha->msix_count - 1;
3042
3043 /* ATIOQ needs 1 vector. That's 1 less QPair */
3044 if (QLA_TGT_MODE_ENABLED())
3045 ha->max_req_queues--;
3046
3047 ha->max_rsp_queues = ha->max_req_queues;
3048
3049 ha->max_qpairs = ha->max_req_queues - 1;
3050 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3051 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3052 }
73208dfd
AC		 3053 }
3054 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3055 ha->msix_count, GFP_KERNEL);
3056 if (!ha->msix_entries) {
7c3df132
SK		 3057 ql_log(ql_log_fatal, vha, 0x00c8,
3058 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 3059 ret = -ENOMEM;
a8488abe
AV		 3060 goto msix_out;
3061 }
3062 ha->flags.msix_enabled = 1;
3063
73208dfd
AC		 3064 for (i = 0; i < ha->msix_count; i++) {
3065 qentry = &ha->msix_entries[i];
4fa18345
MH		 3066 qentry->vector = pci_irq_vector(ha->pdev, i);
3067 qentry->entry = i;
a8488abe 3068 qentry->have_irq = 0;
d7459527 3069 qentry->in_use = 0;
4fa18345 3070 qentry->handle = NULL;
a8488abe
AV		 3071 }
3072
2afa19a9 3073 /* Enable MSI-X vectors for the base queue */
17e5fc58 3074 for (i = 0; i < QLA_BASE_VECTORS; i++) {
2afa19a9 3075 qentry = &ha->msix_entries[i];
4fa18345 3076 qentry->handle = rsp;
ef8d1d51 3077 rsp->msix = qentry;
d7459527
MH		 3078 scnprintf(qentry->name, sizeof(qentry->name),
3079 msix_entries[i].name);
f324777e 3080 if (IS_P3P_TYPE(ha))
a9083016
GM		 3081 ret = request_irq(qentry->vector,
3082 qla82xx_msix_entries[i].handler,
3083 0, qla82xx_msix_entries[i].name, rsp);
f324777e 3084 else
a9083016
GM		 3085 ret = request_irq(qentry->vector,
3086 msix_entries[i].handler,
3087 0, msix_entries[i].name, rsp);
f324777e
CD		 3088 if (ret)
3089 goto msix_register_fail;
3090 qentry->have_irq = 1;
093df737 3091 qentry->in_use = 1;
f324777e
CD		 3092 }
3093
3094 /*
3095 * If target mode is enable, also request the vector for the ATIO
3096 * queue.
3097 */
3098 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
093df737 3099 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
ef8d1d51 3100 rsp->msix = qentry;
d7459527
MH		 3101 qentry->handle = rsp;
3102 scnprintf(qentry->name, sizeof(qentry->name),
093df737
QT		 3103 msix_entries[QLA_ATIO_VECTOR].name);
3104 qentry->in_use = 1;
f324777e 3105 ret = request_irq(qentry->vector,
093df737
QT		 3106 msix_entries[QLA_ATIO_VECTOR].handler,
3107 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
2afa19a9 3108 qentry->have_irq = 1;
73208dfd 3109 }
73208dfd 3110
f324777e
CD		 3111msix_register_fail:
3112 if (ret) {
3113 ql_log(ql_log_fatal, vha, 0x00cb,
3114 "MSI-X: unable to register handler -- %x/%d.\n",
3115 qentry->vector, ret);
4fa18345 3116 qla2x00_free_irqs(vha);
f324777e
CD		 3117 ha->mqenable = 0;
3118 goto msix_out;
3119 }
3120
73208dfd 3121 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 3122 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1 3123 if (ha->msixbase && ha->mqiobase &&
d7459527
MH		 3124 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3125 ql2xmqsupport))
6246b8a1
GM		 3126 ha->mqenable = 1;
3127 } else
d7459527
MH		 3128 if (ha->mqiobase &&
3129 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3130 ql2xmqsupport))
6246b8a1 3131 ha->mqenable = 1;
7c3df132
SK		 3132 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3133 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3134 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3135 ql_dbg(ql_dbg_init, vha, 0x0055,
3136 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3137 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3138
a8488abe
AV		 3139msix_out:
3140 return ret;
3141}
3142
3143int
73208dfd 3144qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3145{
7fa3e239 3146 int ret = QLA_FUNCTION_FAILED;
f73cb695 3147 device_reg_t *reg = ha->iobase;
7c3df132 3148 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3149
3150 /* If possible, enable MSI-X. */
6246b8a1 3151 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3152 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3153 !IS_QLA27XX(ha))
6377a7ae
BH		 3154 goto skip_msi;
3155
3156 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3157 (ha->pdev->subsystem_device == 0x7040 ||
3158 ha->pdev->subsystem_device == 0x7041 ||
3159 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3160 ql_log(ql_log_warn, vha, 0x0034,
3161 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3162 ha->pdev->subsystem_vendor,
7c3df132 3163 ha->pdev->subsystem_device);
6377a7ae
BH		 3164 goto skip_msi;
3165 }
a8488abe 3166
42cd4f5d 3167 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3168 ql_log(ql_log_warn, vha, 0x0035,
3169 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3170 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3171 goto skip_msix;
3172 }
3173
73208dfd 3174 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3175 if (!ret) {
7c3df132
SK		 3176 ql_dbg(ql_dbg_init, vha, 0x0036,
3177 "MSI-X: Enabled (0x%X, 0x%X).\n",
3178 ha->chip_revision, ha->fw_attributes);
963b0fdd 3179 goto clear_risc_ints;
a8488abe 3180 }
7fa3e239 3181
a8488abe 3182skip_msix:
cbedb601 3183
7fa3e239
SC		 3184 ql_log(ql_log_info, vha, 0x0037,
3185 "Falling back-to MSI mode -%d.\n", ret);
3186
3a03eb79 3187 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3188 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3189 !IS_QLA27XX(ha))
cbedb601
AV		 3190 goto skip_msi;
3191
4fa18345 3192 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
cbedb601 3193 if (!ret) {
7c3df132
SK		 3194 ql_dbg(ql_dbg_init, vha, 0x0038,
3195 "MSI: Enabled.\n");
cbedb601 3196 ha->flags.msi_enabled = 1;
a9083016 3197 } else
7c3df132 3198 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3199 "Falling back-to INTa mode -- %d.\n", ret);
3200skip_msi:
a033b655
GM		 3201
3202 /* Skip INTx on ISP82xx. */
3203 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3204 return QLA_FUNCTION_FAILED;
3205
fd34f556 3206 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3207 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3208 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3209 if (ret) {
7c3df132 3210 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3211 "Failed to reserve interrupt %d already in use.\n",
3212 ha->pdev->irq);
963b0fdd 3213 goto fail;
8ae6d9c7 3214 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3215 ql_dbg(ql_dbg_init, vha, 0x0125,
3216 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3217 ha->flags.mr_intr_valid = 1;
3218 }
7992abfc 3219
963b0fdd 3220clear_risc_ints:
4bb2efc4
JC		 3221 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3222 goto fail;
963b0fdd 3223
c6952483 3224 spin_lock_irq(&ha->hardware_lock);
4bb2efc4 3225 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3226 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3227
963b0fdd 3228fail:
a8488abe
AV		 3229 return ret;
3230}
3231
3232void
e315cd28 3233qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3234{
e315cd28 3235 struct qla_hw_data *ha = vha->hw;
9a347ff4 3236 struct rsp_que *rsp;
4fa18345
MH		 3237 struct qla_msix_entry *qentry;
3238 int i;
9a347ff4
CD		 3239
3240 /*
3241 * We need to check that ha->rsp_q_map is valid in case we are called
3242 * from a probe failure context.
3243 */
3244 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
27873de9 3245 goto free_irqs;
9a347ff4 3246 rsp = ha->rsp_q_map[0];
a8488abe 3247
4fa18345
MH		 3248 if (ha->flags.msix_enabled) {
3249 for (i = 0; i < ha->msix_count; i++) {
3250 qentry = &ha->msix_entries[i];
3251 if (qentry->have_irq) {
3252 irq_set_affinity_notifier(qentry->vector, NULL);
3253 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3254 }
3255 }
3256 kfree(ha->msix_entries);
3257 ha->msix_entries = NULL;
3258 ha->flags.msix_enabled = 0;
3259 ql_dbg(ql_dbg_init, vha, 0x0042,
3260 "Disabled MSI-X.\n");
3261 } else {
3262 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3263 }
e315cd28 3264
27873de9 3265free_irqs:
4fa18345 3266 pci_free_irq_vectors(ha->pdev);
a8488abe 3267}
73208dfd 3268
d7459527
MH		 3269int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3270 struct qla_msix_entry *msix, int vector_type)
73208dfd 3271{
d7459527 3272 struct qla_init_msix_entry *intr = &msix_entries[vector_type];
7c3df132 3273 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3274 int ret;
3275
d7459527
MH		 3276 scnprintf(msix->name, sizeof(msix->name),
3277 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3278 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
73208dfd 3279 if (ret) {
7c3df132
SK		 3280 ql_log(ql_log_fatal, vha, 0x00e6,
3281 "MSI-X: Unable to register handler -- %x/%d.\n",
3282 msix->vector, ret);
73208dfd
AC		 3283 return ret;
3284 }
3285 msix->have_irq = 1;
d7459527 3286 msix->handle = qpair;
73208dfd
AC		 3287 return ret;
3288}
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