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qla2xxx: Restore WWPN in case of Loop Dead.
[mirror_ubuntu-jammy-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>
df7baa50 12#include <scsi/scsi_tcq.h>
9a069e19 13#include <scsi/scsi_bsg_fc.h>
bad75002 14#include <scsi/scsi_eh.h>
df7baa50 15
1da177e4 16static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 17static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 18static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 19static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
20 sts_entry_t *);
9a853f71 21
1da177e4
LT		 22/**
23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
24 * @irq:
25 * @dev_id: SCSI driver HA context
1da177e4
LT		 26 *
27 * Called by system whenever the host adapter generates an interrupt.
28 *
29 * Returns handled flag.
30 */
31irqreturn_t
7d12e780 32qla2100_intr_handler(int irq, void *dev_id)
1da177e4 33{
e315cd28
AC		 34 scsi_qla_host_t *vha;
35 struct qla_hw_data *ha;
3d71644c 36 struct device_reg_2xxx __iomem *reg;
1da177e4 37 int status;
1da177e4 38 unsigned long iter;
14e660e6 39 uint16_t hccr;
9a853f71 40 uint16_t mb[4];
e315cd28 41 struct rsp_que *rsp;
43fac4d9 42 unsigned long flags;
1da177e4 43
e315cd28
AC		 44 rsp = (struct rsp_que *) dev_id;
45 if (!rsp) {
3256b435
CD		 46 ql_log(ql_log_info, NULL, 0x505d,
47 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 48 return (IRQ_NONE);
49 }
50
e315cd28 51 ha = rsp->hw;
3d71644c 52 reg = &ha->iobase->isp;
1da177e4
LT		 53 status = 0;
54
43fac4d9 55 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 56 vha = pci_get_drvdata(ha->pdev);
1da177e4 57 for (iter = 50; iter--; ) {
14e660e6 58 hccr = RD_REG_WORD(&reg->hccr);
c821e0d5 59 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
f3ddac19 60 break;
14e660e6
SJ		 61 if (hccr & HCCR_RISC_PAUSE) {
62 if (pci_channel_offline(ha->pdev))
63 break;
64
65 /*
66 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 67 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 68 * out of the RISC PAUSED state.
69 */
70 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
71 RD_REG_WORD(&reg->hccr);
72
e315cd28
AC		 73 ha->isp_ops->fw_dump(vha, 1);
74 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 75 break;
76 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 77 break;
78
79 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
80 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
81 RD_REG_WORD(&reg->hccr);
82
83 /* Get mailbox data. */
9a853f71
AV		 84 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
85 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 86 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 87 status |= MBX_INTERRUPT;
9a853f71
AV		 88 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
89 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
90 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
91 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 92 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 93 } else {
94 /*EMPTY*/
7c3df132
SK		 95 ql_dbg(ql_dbg_async, vha, 0x5025,
96 "Unrecognized interrupt type (%d).\n",
97 mb[0]);
1da177e4
LT		 98 }
99 /* Release mailbox registers. */
100 WRT_REG_WORD(&reg->semaphore, 0);
101 RD_REG_WORD(&reg->semaphore);
102 } else {
73208dfd 103 qla2x00_process_response_queue(rsp);
1da177e4
LT		 104
105 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
106 RD_REG_WORD(&reg->hccr);
107 }
108 }
36439832 109 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 110 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 111
1da177e4
LT		 112 return (IRQ_HANDLED);
113}
114
f3ddac19 115bool
c821e0d5 116qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
f3ddac19
CD		 117{
118 /* Check for PCI disconnection */
119 if (reg == 0xffffffff) {
beb9e315 120 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
6b383979
JL		 121 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
122 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
232792b6
JL		 123 /*
124 * Schedule this (only once) on the default system
125 * workqueue so that all the adapter workqueues and the
126 * DPC thread can be shutdown cleanly.
127 */
128 schedule_work(&vha->hw->board_disable);
129 }
f3ddac19
CD		 130 return true;
131 } else
132 return false;
133}
134
c821e0d5
JL		 135bool
136qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
137{
138 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
139}
140
1da177e4
LT		 141/**
142 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
143 * @irq:
144 * @dev_id: SCSI driver HA context
1da177e4
LT		 145 *
146 * Called by system whenever the host adapter generates an interrupt.
147 *
148 * Returns handled flag.
149 */
150irqreturn_t
7d12e780 151qla2300_intr_handler(int irq, void *dev_id)
1da177e4 152{
e315cd28 153 scsi_qla_host_t *vha;
3d71644c 154 struct device_reg_2xxx __iomem *reg;
1da177e4 155 int status;
1da177e4
LT		 156 unsigned long iter;
157 uint32_t stat;
1da177e4 158 uint16_t hccr;
9a853f71 159 uint16_t mb[4];
e315cd28
AC		 160 struct rsp_que *rsp;
161 struct qla_hw_data *ha;
43fac4d9 162 unsigned long flags;
1da177e4 163
e315cd28
AC		 164 rsp = (struct rsp_que *) dev_id;
165 if (!rsp) {
3256b435
CD		 166 ql_log(ql_log_info, NULL, 0x5058,
167 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 168 return (IRQ_NONE);
169 }
170
e315cd28 171 ha = rsp->hw;
3d71644c 172 reg = &ha->iobase->isp;
1da177e4
LT		 173 status = 0;
174
43fac4d9 175 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 176 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 177 for (iter = 50; iter--; ) {
178 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
c821e0d5 179 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 180 break;
1da177e4 181 if (stat & HSR_RISC_PAUSED) {
85880801 182 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 183 break;
184
1da177e4 185 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 186
1da177e4 187 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 188 ql_log(ql_log_warn, vha, 0x5026,
189 "Parity error -- HCCR=%x, Dumping "
190 "firmware.\n", hccr);
1da177e4 191 else
7c3df132
SK		 192 ql_log(ql_log_warn, vha, 0x5027,
193 "RISC paused -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
1da177e4
LT		 195
196 /*
197 * Issue a "HARD" reset in order for the RISC
198 * interrupt bit to be cleared. Schedule a big
a06a0f8e 199 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 200 */
201 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
202 RD_REG_WORD(&reg->hccr);
07f31805 203
e315cd28
AC		 204 ha->isp_ops->fw_dump(vha, 1);
205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 206 break;
207 } else if ((stat & HSR_RISC_INT) == 0)
208 break;
209
1da177e4 210 switch (stat & 0xff) {
1da177e4
LT		 211 case 0x1:
212 case 0x2:
213 case 0x10:
214 case 0x11:
e315cd28 215 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 216 status |= MBX_INTERRUPT;
217
218 /* Release mailbox registers. */
219 WRT_REG_WORD(&reg->semaphore, 0);
220 break;
221 case 0x12:
9a853f71
AV		 222 mb[0] = MSW(stat);
223 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
224 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
225 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 226 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 227 break;
228 case 0x13:
73208dfd 229 qla2x00_process_response_queue(rsp);
1da177e4
LT		 230 break;
231 case 0x15:
9a853f71
AV		 232 mb[0] = MBA_CMPLT_1_16BIT;
233 mb[1] = MSW(stat);
73208dfd 234 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 235 break;
236 case 0x16:
9a853f71
AV		 237 mb[0] = MBA_SCSI_COMPLETION;
238 mb[1] = MSW(stat);
239 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 240 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 241 break;
242 default:
7c3df132
SK		 243 ql_dbg(ql_dbg_async, vha, 0x5028,
244 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 245 break;
246 }
247 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
248 RD_REG_WORD_RELAXED(&reg->hccr);
249 }
36439832 250 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 251 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 252
1da177e4
LT		 253 return (IRQ_HANDLED);
254}
255
256/**
257 * qla2x00_mbx_completion() - Process mailbox command completions.
258 * @ha: SCSI driver HA context
259 * @mb0: Mailbox0 register
260 */
261static void
e315cd28 262qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 263{
264 uint16_t cnt;
4fa94f83 265 uint32_t mboxes;
1da177e4 266 uint16_t __iomem *wptr;
e315cd28 267 struct qla_hw_data *ha = vha->hw;
3d71644c 268 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 269
4fa94f83
AV		 270 /* Read all mbox registers? */
271 mboxes = (1 << ha->mbx_count) - 1;
272 if (!ha->mcp)
a720101d 273 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 274 else
275 mboxes = ha->mcp->in_mb;
276
1da177e4
LT		 277 /* Load return mailbox registers. */
278 ha->flags.mbox_int = 1;
279 ha->mailbox_out[0] = mb0;
4fa94f83 280 mboxes >>= 1;
1da177e4
LT		 281 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
282
283 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 284 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 285 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 286 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 287 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 288 else if (mboxes & BIT_0)
1da177e4 289 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 290
1da177e4 291 wptr++;
4fa94f83 292 mboxes >>= 1;
1da177e4 293 }
1da177e4
LT		 294}
295
8a659571
AV		 296static void
297qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
298{
299 static char *event[] =
300 { "Complete", "Request Notification", "Time Extension" };
301 int rval;
302 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 303 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 304 uint16_t __iomem *wptr;
305 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
306
307 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 308 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
309 wptr = (uint16_t __iomem *)&reg24->mailbox1;
310 else if (IS_QLA8044(vha->hw))
311 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
312 else
313 return;
314
8a659571
AV		 315 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
316 mb[cnt] = RD_REG_WORD(wptr);
317
7c3df132 318 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 319 "Inter-Driver Communication %s -- "
7c3df132
SK		 320 "%04x %04x %04x %04x %04x %04x %04x.\n",
321 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
322 mb[4], mb[5], mb[6]);
454073c9
SV		 323 switch (aen) {
324 /* Handle IDC Error completion case. */
325 case MBA_IDC_COMPLETE:
326 if (mb[1] >> 15) {
327 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 328 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 329 complete(&vha->hw->dcbx_comp);
330 }
331 break;
332
333 case MBA_IDC_NOTIFY:
334 /* Acknowledgement needed? [Notify && non-zero timeout]. */
335 timeout = (descr >> 8) & 0xf;
336 ql_dbg(ql_dbg_async, vha, 0x5022,
337 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
338 vha->host_no, event[aen & 0xff], timeout);
339
340 if (!timeout)
341 return;
342 rval = qla2x00_post_idc_ack_work(vha, mb);
343 if (rval != QLA_SUCCESS)
344 ql_log(ql_log_warn, vha, 0x5023,
345 "IDC failed to post ACK.\n");
346 break;
347 case MBA_IDC_TIME_EXT:
348 vha->hw->idc_extend_tmo = descr;
349 ql_dbg(ql_dbg_async, vha, 0x5087,
350 "%lu Inter-Driver Communication %s -- "
351 "Extend timeout by=%d.\n",
352 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
353 break;
bf5b8ad7 354 }
8a659571
AV		 355}
356
daae62a3 357#define LS_UNKNOWN 2
d0297c9a
JC		 358const char *
359qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 360{
f73cb695
CD		 361 static const char *const link_speeds[] = {
362 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 363 };
f73cb695 364#define QLA_LAST_SPEED 7
daae62a3
CD		 365
366 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 367 return link_speeds[0];
368 else if (speed == 0x13)
f73cb695
CD		 369 return link_speeds[QLA_LAST_SPEED];
370 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 371 return link_speeds[speed];
372 else
373 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 374}
375
fa492630 376static void
7d613ac6
SV		 377qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
378{
379 struct qla_hw_data *ha = vha->hw;
380
381 /*
382 * 8200 AEN Interpretation:
383 * mb[0] = AEN code
384 * mb[1] = AEN Reason code
385 * mb[2] = LSW of Peg-Halt Status-1 Register
386 * mb[6] = MSW of Peg-Halt Status-1 Register
387 * mb[3] = LSW of Peg-Halt Status-2 register
388 * mb[7] = MSW of Peg-Halt Status-2 register
389 * mb[4] = IDC Device-State Register value
390 * mb[5] = IDC Driver-Presence Register value
391 */
392 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
393 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
394 mb[0], mb[1], mb[2], mb[6]);
395 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
396 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
397 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
398
399 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
400 IDC_HEARTBEAT_FAILURE)) {
401 ha->flags.nic_core_hung = 1;
402 ql_log(ql_log_warn, vha, 0x5060,
403 "83XX: F/W Error Reported: Check if reset required.\n");
404
405 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
406 uint32_t protocol_engine_id, fw_err_code, err_level;
407
408 /*
409 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
410 * - PEG-Halt Status-1 Register:
411 * (LSW = mb[2], MSW = mb[6])
412 * Bits 0-7 = protocol-engine ID
413 * Bits 8-28 = f/w error code
414 * Bits 29-31 = Error-level
415 * Error-level 0x1 = Non-Fatal error
416 * Error-level 0x2 = Recoverable Fatal error
417 * Error-level 0x4 = UnRecoverable Fatal error
418 * - PEG-Halt Status-2 Register:
419 * (LSW = mb[3], MSW = mb[7])
420 */
421 protocol_engine_id = (mb[2] & 0xff);
422 fw_err_code = (((mb[2] & 0xff00) >> 8) |
423 ((mb[6] & 0x1fff) << 8));
424 err_level = ((mb[6] & 0xe000) >> 13);
425 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
426 "Register: protocol_engine_id=0x%x "
427 "fw_err_code=0x%x err_level=0x%x.\n",
428 protocol_engine_id, fw_err_code, err_level);
429 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
430 "Register: 0x%x%x.\n", mb[7], mb[3]);
431 if (err_level == ERR_LEVEL_NON_FATAL) {
432 ql_log(ql_log_warn, vha, 0x5063,
433 "Not a fatal error, f/w has recovered "
434 "iteself.\n");
435 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
436 ql_log(ql_log_fatal, vha, 0x5064,
437 "Recoverable Fatal error: Chip reset "
438 "required.\n");
439 qla83xx_schedule_work(vha,
440 QLA83XX_NIC_CORE_RESET);
441 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
442 ql_log(ql_log_fatal, vha, 0x5065,
443 "Unrecoverable Fatal error: Set FAILED "
444 "state, reboot required.\n");
445 qla83xx_schedule_work(vha,
446 QLA83XX_NIC_CORE_UNRECOVERABLE);
447 }
448 }
449
450 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
451 uint16_t peg_fw_state, nw_interface_link_up;
452 uint16_t nw_interface_signal_detect, sfp_status;
453 uint16_t htbt_counter, htbt_monitor_enable;
454 uint16_t sfp_additonal_info, sfp_multirate;
455 uint16_t sfp_tx_fault, link_speed, dcbx_status;
456
457 /*
458 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
459 * - PEG-to-FC Status Register:
460 * (LSW = mb[2], MSW = mb[6])
461 * Bits 0-7 = Peg-Firmware state
462 * Bit 8 = N/W Interface Link-up
463 * Bit 9 = N/W Interface signal detected
464 * Bits 10-11 = SFP Status
465 * SFP Status 0x0 = SFP+ transceiver not expected
466 * SFP Status 0x1 = SFP+ transceiver not present
467 * SFP Status 0x2 = SFP+ transceiver invalid
468 * SFP Status 0x3 = SFP+ transceiver present and
469 * valid
470 * Bits 12-14 = Heartbeat Counter
471 * Bit 15 = Heartbeat Monitor Enable
472 * Bits 16-17 = SFP Additional Info
473 * SFP info 0x0 = Unregocnized transceiver for
474 * Ethernet
475 * SFP info 0x1 = SFP+ brand validation failed
476 * SFP info 0x2 = SFP+ speed validation failed
477 * SFP info 0x3 = SFP+ access error
478 * Bit 18 = SFP Multirate
479 * Bit 19 = SFP Tx Fault
480 * Bits 20-22 = Link Speed
481 * Bits 23-27 = Reserved
482 * Bits 28-30 = DCBX Status
483 * DCBX Status 0x0 = DCBX Disabled
484 * DCBX Status 0x1 = DCBX Enabled
485 * DCBX Status 0x2 = DCBX Exchange error
486 * Bit 31 = Reserved
487 */
488 peg_fw_state = (mb[2] & 0x00ff);
489 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
490 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
491 sfp_status = ((mb[2] & 0x0c00) >> 10);
492 htbt_counter = ((mb[2] & 0x7000) >> 12);
493 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
494 sfp_additonal_info = (mb[6] & 0x0003);
495 sfp_multirate = ((mb[6] & 0x0004) >> 2);
496 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
497 link_speed = ((mb[6] & 0x0070) >> 4);
498 dcbx_status = ((mb[6] & 0x7000) >> 12);
499
500 ql_log(ql_log_warn, vha, 0x5066,
501 "Peg-to-Fc Status Register:\n"
502 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
503 "nw_interface_signal_detect=0x%x"
504 "\nsfp_statis=0x%x.\n ", peg_fw_state,
505 nw_interface_link_up, nw_interface_signal_detect,
506 sfp_status);
507 ql_log(ql_log_warn, vha, 0x5067,
508 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
509 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
510 htbt_counter, htbt_monitor_enable,
511 sfp_additonal_info, sfp_multirate);
512 ql_log(ql_log_warn, vha, 0x5068,
513 "sfp_tx_fault=0x%x, link_state=0x%x, "
514 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
515 dcbx_status);
516
517 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
518 }
519
520 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
521 ql_log(ql_log_warn, vha, 0x5069,
522 "Heartbeat Failure encountered, chip reset "
523 "required.\n");
524
525 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
526 }
527 }
528
529 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
530 ql_log(ql_log_info, vha, 0x506a,
531 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 532 if (ha->flags.nic_core_reset_owner)
533 return;
7d613ac6
SV		 534 qla83xx_schedule_work(vha, MBA_IDC_AEN);
535 }
536}
537
bb4cf5b7
CD		 538int
539qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
540{
541 struct qla_hw_data *ha = vha->hw;
542 scsi_qla_host_t *vp;
543 uint32_t vp_did;
544 unsigned long flags;
545 int ret = 0;
546
547 if (!ha->num_vhosts)
548 return ret;
549
550 spin_lock_irqsave(&ha->vport_slock, flags);
551 list_for_each_entry(vp, &ha->vp_list, list) {
552 vp_did = vp->d_id.b24;
553 if (vp_did == rscn_entry) {
554 ret = 1;
555 break;
556 }
557 }
558 spin_unlock_irqrestore(&ha->vport_slock, flags);
559
560 return ret;
561}
562
1da177e4
LT		 563/**
564 * qla2x00_async_event() - Process aynchronous events.
565 * @ha: SCSI driver HA context
9a853f71 566 * @mb: Mailbox registers (0 - 3)
1da177e4 567 */
2c3dfe3f 568void
73208dfd 569qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 570{
1da177e4 571 uint16_t handle_cnt;
bdab23da 572 uint16_t cnt, mbx;
1da177e4 573 uint32_t handles[5];
e315cd28 574 struct qla_hw_data *ha = vha->hw;
3d71644c 575 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 576 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 577 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1da177e4 578 uint32_t rscn_entry, host_pid;
4d4df193 579 unsigned long flags;
1da177e4
LT		 580
581 /* Setup to process RIO completion. */
582 handle_cnt = 0;
6246b8a1 583 if (IS_CNA_CAPABLE(ha))
3a03eb79 584 goto skip_rio;
1da177e4
LT		 585 switch (mb[0]) {
586 case MBA_SCSI_COMPLETION:
9a853f71 587 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 588 handle_cnt = 1;
589 break;
590 case MBA_CMPLT_1_16BIT:
9a853f71 591 handles[0] = mb[1];
1da177e4
LT		 592 handle_cnt = 1;
593 mb[0] = MBA_SCSI_COMPLETION;
594 break;
595 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 596 handles[0] = mb[1];
597 handles[1] = mb[2];
1da177e4
LT		 598 handle_cnt = 2;
599 mb[0] = MBA_SCSI_COMPLETION;
600 break;
601 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 602 handles[0] = mb[1];
603 handles[1] = mb[2];
604 handles[2] = mb[3];
1da177e4
LT		 605 handle_cnt = 3;
606 mb[0] = MBA_SCSI_COMPLETION;
607 break;
608 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 609 handles[0] = mb[1];
610 handles[1] = mb[2];
611 handles[2] = mb[3];
1da177e4
LT		 612 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
613 handle_cnt = 4;
614 mb[0] = MBA_SCSI_COMPLETION;
615 break;
616 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 617 handles[0] = mb[1];
618 handles[1] = mb[2];
619 handles[2] = mb[3];
1da177e4
LT		 620 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
621 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
622 handle_cnt = 5;
623 mb[0] = MBA_SCSI_COMPLETION;
624 break;
625 case MBA_CMPLT_2_32BIT:
9a853f71 626 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 627 handles[1] = le32_to_cpu(
628 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
629 RD_MAILBOX_REG(ha, reg, 6));
630 handle_cnt = 2;
631 mb[0] = MBA_SCSI_COMPLETION;
632 break;
633 default:
634 break;
635 }
3a03eb79 636skip_rio:
1da177e4
LT		 637 switch (mb[0]) {
638 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 639 if (!vha->flags.online)
1da177e4
LT		 640 break;
641
642 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 643 qla2x00_process_completed_request(vha, rsp->req,
644 handles[cnt]);
1da177e4
LT		 645 break;
646
647 case MBA_RESET: /* Reset */
7c3df132
SK		 648 ql_dbg(ql_dbg_async, vha, 0x5002,
649 "Asynchronous RESET.\n");
1da177e4 650
e315cd28 651 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 652 break;
653
654 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 655 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 656 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 657 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 658 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
659 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 660
e315cd28 661 ha->isp_ops->fw_dump(vha, 1);
1da177e4 662
e428924c 663 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 664 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 665 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 666 "Unrecoverable Hardware Error: adapter "
667 "marked OFFLINE!\n");
e315cd28 668 vha->flags.online = 0;
6246b8a1 669 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 670 } else {
25985edc 671 /* Check to see if MPI timeout occurred */
f73cb695 672 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 673 set_bit(MPI_RESET_NEEDED,
674 &vha->dpc_flags);
675
e315cd28 676 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 677 }
9a853f71 678 } else if (mb[1] == 0) {
7c3df132 679 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 680 "Unrecoverable Hardware Error: adapter marked "
681 "OFFLINE!\n");
e315cd28 682 vha->flags.online = 0;
6246b8a1 683 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 684 } else
e315cd28 685 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 686 break;
687
688 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 689 ql_log(ql_log_warn, vha, 0x5006,
690 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 691
e315cd28 692 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 693 break;
694
695 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132
SK		 696 ql_log(ql_log_warn, vha, 0x5007,
697 "ISP Response Transfer Error.\n");
1da177e4 698
e315cd28 699 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 700 break;
701
702 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132
SK		 703 ql_dbg(ql_dbg_async, vha, 0x5008,
704 "Asynchronous WAKEUP_THRES.\n");
1da177e4 705
2d70c103 706 break;
1da177e4 707 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 708 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 709 "LIP occurred (%x).\n", mb[1]);
1da177e4 710
e315cd28
AC		 711 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
712 atomic_set(&vha->loop_state, LOOP_DOWN);
713 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
714 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 715 }
716
e315cd28
AC		 717 if (vha->vp_idx) {
718 atomic_set(&vha->vp_state, VP_FAILED);
719 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 720 }
721
e315cd28
AC		 722 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
723 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 724
e315cd28
AC		 725 vha->flags.management_server_logged_in = 0;
726 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 727 break;
728
729 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 730 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 731 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 732 else
1da177e4 733 ha->link_data_rate = mb[1];
1da177e4 734
8e5a9484 735 ql_log(ql_log_info, vha, 0x500a,
daae62a3 736 "LOOP UP detected (%s Gbps).\n",
d0297c9a 737 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 738
e315cd28
AC		 739 vha->flags.management_server_logged_in = 0;
740 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 741 break;
742
743 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 744 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
745 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 746 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
747 : mbx;
8e5a9484 748 ql_log(ql_log_info, vha, 0x500b,
7c3df132
SK		 749 "LOOP DOWN detected (%x %x %x %x).\n",
750 mb[1], mb[2], mb[3], mbx);
1da177e4 751
e315cd28
AC		 752 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
753 atomic_set(&vha->loop_state, LOOP_DOWN);
754 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2486c627
HM		 755 /*
756 * In case of loop down, restore WWPN from
757 * NVRAM in case of FA-WWPN capable ISP
758 */
759 if (ha->flags.fawwpn_enabled) {
760 void *wwpn = ha->init_cb->port_name;
761
762 memcpy(vha->port_name, wwpn, WWN_SIZE);
763 }
764
e315cd28
AC		 765 vha->device_flags |= DFLG_NO_CABLE;
766 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 767 }
768
e315cd28
AC		 769 if (vha->vp_idx) {
770 atomic_set(&vha->vp_state, VP_FAILED);
771 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 772 }
773
e315cd28 774 vha->flags.management_server_logged_in = 0;
d8b45213 775 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 776 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 777 break;
778
779 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 780 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 781 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 782
e315cd28
AC		 783 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
784 atomic_set(&vha->loop_state, LOOP_DOWN);
785 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
786 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 787 }
788
e315cd28
AC		 789 if (vha->vp_idx) {
790 atomic_set(&vha->vp_state, VP_FAILED);
791 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 792 }
793
e315cd28 794 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 795
796 ha->operating_mode = LOOP;
e315cd28
AC		 797 vha->flags.management_server_logged_in = 0;
798 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 799 break;
800
3a03eb79 801 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 802 case MBA_POINT_TO_POINT: /* Point-to-Point */
803 if (IS_QLA2100(ha))
804 break;
805
7ec0effd 806 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 807 ql_dbg(ql_dbg_async, vha, 0x500d,
808 "DCBX Completed -- %04x %04x %04x.\n",
809 mb[1], mb[2], mb[3]);
9aaf2cea 810 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 811 complete(&ha->dcbx_comp);
812
813 } else
7c3df132
SK		 814 ql_dbg(ql_dbg_async, vha, 0x500e,
815 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 816
817 /*
818 * Until there's a transition from loop down to loop up, treat
819 * this as loop down only.
820 */
e315cd28
AC		 821 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
822 atomic_set(&vha->loop_state, LOOP_DOWN);
823 if (!atomic_read(&vha->loop_down_timer))
824 atomic_set(&vha->loop_down_timer,
1da177e4 825 LOOP_DOWN_TIME);
e315cd28 826 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 827 }
828
e315cd28
AC		 829 if (vha->vp_idx) {
830 atomic_set(&vha->vp_state, VP_FAILED);
831 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 832 }
833
e315cd28
AC		 834 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
835 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
836
837 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
838 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 839
840 ha->flags.gpsc_supported = 1;
e315cd28 841 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 842 break;
843
844 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
845 if (IS_QLA2100(ha))
846 break;
847
cfb0919c 848 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 849 "Configuration change detected: value=%x.\n", mb[1]);
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 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
865 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 866 break;
867
868 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 869 /*
870 * Handle only global and vn-port update events
871 *
872 * Relevant inputs:
873 * mb[1] = N_Port handle of changed port
874 * OR 0xffff for global event
875 * mb[2] = New login state
876 * 7 = Port logged out
877 * mb[3] = LSB is vp_idx, 0xff = all vps
878 *
879 * Skip processing if:
880 * Event is global, vp_idx is NOT all vps,
881 * vp_idx does not match
882 * Event is not global, vp_idx does not match
883 */
12cec63e
AV		 884 if (IS_QLA2XXX_MIDTYPE(ha) &&
885 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
886 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
887 break;
73208dfd 888
9764ff88
AV		 889 /* Global event -- port logout or port unavailable. */
890 if (mb[1] == 0xffff && mb[2] == 0x7) {
7c3df132
SK		 891 ql_dbg(ql_dbg_async, vha, 0x5010,
892 "Port unavailable %04x %04x %04x.\n",
893 mb[1], mb[2], mb[3]);
daae62a3
CD		 894 ql_log(ql_log_warn, vha, 0x505e,
895 "Link is offline.\n");
9764ff88
AV		 896
897 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
898 atomic_set(&vha->loop_state, LOOP_DOWN);
899 atomic_set(&vha->loop_down_timer,
900 LOOP_DOWN_TIME);
901 vha->device_flags |= DFLG_NO_CABLE;
902 qla2x00_mark_all_devices_lost(vha, 1);
903 }
904
905 if (vha->vp_idx) {
906 atomic_set(&vha->vp_state, VP_FAILED);
907 fc_vport_set_state(vha->fc_vport,
908 FC_VPORT_FAILED);
faadc5e7 909 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 910 }
911
912 vha->flags.management_server_logged_in = 0;
913 ha->link_data_rate = PORT_SPEED_UNKNOWN;
914 break;
915 }
916
1da177e4 917 /*
cc3ef7bc 918 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 919 * event etc. earlier indicating loop is down) then process
920 * it. Otherwise ignore it and Wait for RSCN to come in.
921 */
e315cd28 922 atomic_set(&vha->loop_down_timer, 0);
8e5a9484
CD		 923 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
924 atomic_read(&vha->loop_state) != LOOP_DEAD) {
7c3df132
SK		 925 ql_dbg(ql_dbg_async, vha, 0x5011,
926 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
927 mb[1], mb[2], mb[3]);
2d70c103
NB		 928
929 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 930 break;
931 }
932
7c3df132
SK		 933 ql_dbg(ql_dbg_async, vha, 0x5012,
934 "Port database changed %04x %04x %04x.\n",
935 mb[1], mb[2], mb[3]);
1da177e4
LT		 936
937 /*
938 * Mark all devices as missing so we will login again.
939 */
e315cd28 940 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 941
e315cd28 942 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 943
2d70c103
NB		 944 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
945 set_bit(SCR_PENDING, &vha->dpc_flags);
946
e315cd28
AC		 947 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
948 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2d70c103
NB		 949
950 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 951 break;
952
953 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 954 /* Check if the Vport has issued a SCR */
e315cd28 955 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 956 break;
957 /* Only handle SCNs for our Vport index. */
0d6e61bc 958 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 959 break;
0d6e61bc 960
7c3df132
SK		 961 ql_dbg(ql_dbg_async, vha, 0x5013,
962 "RSCN database changed -- %04x %04x %04x.\n",
963 mb[1], mb[2], mb[3]);
1da177e4 964
59d72d87 965 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 966 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
967 | vha->d_id.b.al_pa;
1da177e4 968 if (rscn_entry == host_pid) {
7c3df132
SK		 969 ql_dbg(ql_dbg_async, vha, 0x5014,
970 "Ignoring RSCN update to local host "
971 "port ID (%06x).\n", host_pid);
1da177e4
LT		 972 break;
973 }
974
59d72d87
RA		 975 /* Ignore reserved bits from RSCN-payload. */
976 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 977
bb4cf5b7
CD		 978 /* Skip RSCNs for virtual ports on the same physical port */
979 if (qla2x00_is_a_vp_did(vha, rscn_entry))
980 break;
981
e315cd28
AC		 982 atomic_set(&vha->loop_down_timer, 0);
983 vha->flags.management_server_logged_in = 0;
1da177e4 984
e315cd28
AC		 985 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
986 set_bit(RSCN_UPDATE, &vha->dpc_flags);
987 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 988 break;
989
990 /* case MBA_RIO_RESPONSE: */
991 case MBA_ZIO_RESPONSE:
7c3df132
SK		 992 ql_dbg(ql_dbg_async, vha, 0x5015,
993 "[R|Z]IO update completion.\n");
1da177e4 994
e428924c 995 if (IS_FWI2_CAPABLE(ha))
2afa19a9 996 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 997 else
73208dfd 998 qla2x00_process_response_queue(rsp);
1da177e4 999 break;
9a853f71
AV		 1000
1001 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 1002 ql_dbg(ql_dbg_async, vha, 0x5016,
1003 "Discard RND Frame -- %04x %04x %04x.\n",
1004 mb[1], mb[2], mb[3]);
9a853f71 1005 break;
45ebeb56
AV		 1006
1007 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 1008 ql_dbg(ql_dbg_async, vha, 0x5017,
1009 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1010 break;
4d4df193
HK		 1011
1012 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1013 ql_dbg(ql_dbg_async, vha, 0x5018,
1014 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1015 mb[1], mb[2], mb[3]);
4d4df193
HK		 1016
1017 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1018 switch (mb[1]) {
1019 case A84_PANIC_RECOVERY:
7c3df132
SK		 1020 ql_log(ql_log_info, vha, 0x5019,
1021 "Alert 84XX: panic recovery %04x %04x.\n",
1022 mb[2], mb[3]);
4d4df193
HK		 1023 break;
1024 case A84_OP_LOGIN_COMPLETE:
1025 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1026 ql_log(ql_log_info, vha, 0x501a,
1027 "Alert 84XX: firmware version %x.\n",
1028 ha->cs84xx->op_fw_version);
4d4df193
HK		 1029 break;
1030 case A84_DIAG_LOGIN_COMPLETE:
1031 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1032 ql_log(ql_log_info, vha, 0x501b,
1033 "Alert 84XX: diagnostic firmware version %x.\n",
1034 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1035 break;
1036 case A84_GOLD_LOGIN_COMPLETE:
1037 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1038 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1039 ql_log(ql_log_info, vha, 0x501c,
1040 "Alert 84XX: gold firmware version %x.\n",
1041 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1042 break;
1043 default:
7c3df132
SK		 1044 ql_log(ql_log_warn, vha, 0x501d,
1045 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1046 mb[1], mb[2], mb[3]);
1047 }
1048 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1049 break;
3a03eb79 1050 case MBA_DCBX_START:
7c3df132
SK		 1051 ql_dbg(ql_dbg_async, vha, 0x501e,
1052 "DCBX Started -- %04x %04x %04x.\n",
1053 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1054 break;
1055 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1056 ql_dbg(ql_dbg_async, vha, 0x501f,
1057 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1058 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1059 break;
1060 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1061 ql_dbg(ql_dbg_async, vha, 0x5020,
1062 "FCF Configuration Error -- %04x %04x %04x.\n",
1063 mb[1], mb[2], mb[3]);
3a03eb79 1064 break;
3a03eb79 1065 case MBA_IDC_NOTIFY:
7ec0effd 1066 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1067 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1068 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1069 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1070 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1071 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1072 /*
1073 * Extend loop down timer since port is active.
1074 */
1075 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1076 atomic_set(&vha->loop_down_timer,
1077 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1078 qla2xxx_wake_dpc(vha);
1079 }
67b2a31f 1080 }
8fcd6b8b 1081 case MBA_IDC_COMPLETE:
9aaf2cea 1082 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1083 complete(&ha->lb_portup_comp);
1084 /* Fallthru */
3a03eb79 1085 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1086 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1087 IS_QLA8044(ha))
7d613ac6
SV		 1088 qla81xx_idc_event(vha, mb[0], mb[1]);
1089 break;
1090
1091 case MBA_IDC_AEN:
1092 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1093 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1094 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1095 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1096 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1097 break;
7d613ac6 1098
b5a340dd
JC		 1099 case MBA_DPORT_DIAGNOSTICS:
1100 ql_dbg(ql_dbg_async, vha, 0x5052,
1101 "D-Port Diagnostics: %04x %04x=%s\n", mb[0], mb[1],
1102 mb[1] == 0 ? "start" :
1103 mb[1] == 1 ? "done (ok)" :
1104 mb[1] == 2 ? "done (error)" : "other");
1105 break;
1106
6246b8a1
GM		 1107 default:
1108 ql_dbg(ql_dbg_async, vha, 0x5057,
1109 "Unknown AEN:%04x %04x %04x %04x\n",
1110 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1111 }
2c3dfe3f 1112
2d70c103
NB		 1113 qlt_async_event(mb[0], vha, mb);
1114
e315cd28 1115 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1116 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1117}
1118
1119/**
1120 * qla2x00_process_completed_request() - Process a Fast Post response.
1121 * @ha: SCSI driver HA context
1122 * @index: SRB index
1123 */
8ae6d9c7 1124void
73208dfd 1125qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1126 struct req_que *req, uint32_t index)
1da177e4
LT		 1127{
1128 srb_t *sp;
e315cd28 1129 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1130
1131 /* Validate handle. */
8d93f550 1132 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1133 ql_log(ql_log_warn, vha, 0x3014,
1134 "Invalid SCSI command index (%x).\n", index);
1da177e4 1135
7ec0effd 1136 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1137 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1138 else
1139 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1140 return;
1141 }
1142
e315cd28 1143 sp = req->outstanding_cmds[index];
1da177e4
LT		 1144 if (sp) {
1145 /* Free outstanding command slot. */
e315cd28 1146 req->outstanding_cmds[index] = NULL;
1da177e4 1147
1da177e4 1148 /* Save ISP completion status */
9ba56b95 1149 sp->done(ha, sp, DID_OK << 16);
1da177e4 1150 } else {
7c3df132 1151 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1152
7ec0effd 1153 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1154 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1155 else
1156 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1157 }
1158}
1159
8ae6d9c7 1160srb_t *
ac280b67
AV		 1161qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1162 struct req_que *req, void *iocb)
1163{
1164 struct qla_hw_data *ha = vha->hw;
1165 sts_entry_t *pkt = iocb;
1166 srb_t *sp = NULL;
1167 uint16_t index;
1168
1169 index = LSW(pkt->handle);
8d93f550 1170 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1171 ql_log(ql_log_warn, vha, 0x5031,
1172 "Invalid command index (%x).\n", index);
7ec0effd 1173 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1174 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1175 else
1176 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1177 goto done;
1178 }
1179 sp = req->outstanding_cmds[index];
1180 if (!sp) {
7c3df132
SK		 1181 ql_log(ql_log_warn, vha, 0x5032,
1182 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1183 return sp;
1184 }
1185 if (sp->handle != index) {
7c3df132
SK		 1186 ql_log(ql_log_warn, vha, 0x5033,
1187 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1188 return NULL;
1189 }
9a069e19 1190
ac280b67 1191 req->outstanding_cmds[index] = NULL;
9a069e19 1192
ac280b67
AV		 1193done:
1194 return sp;
1195}
1196
1197static void
1198qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1199 struct mbx_entry *mbx)
1200{
1201 const char func[] = "MBX-IOCB";
1202 const char *type;
ac280b67
AV		 1203 fc_port_t *fcport;
1204 srb_t *sp;
4916392b 1205 struct srb_iocb *lio;
99b0bec7 1206 uint16_t *data;
5ff1d584 1207 uint16_t status;
ac280b67
AV		 1208
1209 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1210 if (!sp)
1211 return;
1212
9ba56b95
GM		 1213 lio = &sp->u.iocb_cmd;
1214 type = sp->name;
ac280b67 1215 fcport = sp->fcport;
4916392b 1216 data = lio->u.logio.data;
ac280b67 1217
5ff1d584 1218 data[0] = MBS_COMMAND_ERROR;
4916392b 1219 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1220 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1221 if (mbx->entry_status) {
7c3df132 1222 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1223 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1224 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1225 "status-flags=%x.\n", type, sp->handle,
1226 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1227 fcport->d_id.b.al_pa, mbx->entry_status,
1228 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1229 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1230
cfb0919c 1231 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1232 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1233
99b0bec7 1234 goto logio_done;
ac280b67
AV		 1235 }
1236
5ff1d584 1237 status = le16_to_cpu(mbx->status);
9ba56b95 1238 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1239 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1240 status = 0;
1241 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1242 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1243 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1244 type, sp->handle, fcport->d_id.b.domain,
1245 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1246 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1247
1248 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1249 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1250 fcport->port_type = FCT_TARGET;
1251 if (le16_to_cpu(mbx->mb1) & BIT_0)
1252 fcport->port_type = FCT_INITIATOR;
6ac52608 1253 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1254 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1255 }
99b0bec7 1256 goto logio_done;
ac280b67
AV		 1257 }
1258
1259 data[0] = le16_to_cpu(mbx->mb0);
1260 switch (data[0]) {
1261 case MBS_PORT_ID_USED:
1262 data[1] = le16_to_cpu(mbx->mb1);
1263 break;
1264 case MBS_LOOP_ID_USED:
1265 break;
1266 default:
1267 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1268 break;
1269 }
1270
7c3df132 1271 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1272 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1273 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1274 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1275 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1276 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1277 le16_to_cpu(mbx->mb7));
ac280b67 1278
99b0bec7 1279logio_done:
9ba56b95 1280 sp->done(vha, sp, 0);
ac280b67
AV		 1281}
1282
9bc4f4fb
HZ		 1283static void
1284qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1285 sts_entry_t *pkt, int iocb_type)
1286{
1287 const char func[] = "CT_IOCB";
1288 const char *type;
9bc4f4fb 1289 srb_t *sp;
9bc4f4fb
HZ		 1290 struct fc_bsg_job *bsg_job;
1291 uint16_t comp_status;
9ba56b95 1292 int res;
9bc4f4fb
HZ		 1293
1294 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1295 if (!sp)
1296 return;
1297
9ba56b95 1298 bsg_job = sp->u.bsg_job;
9bc4f4fb 1299
9ba56b95 1300 type = "ct pass-through";
9bc4f4fb
HZ		 1301
1302 comp_status = le16_to_cpu(pkt->comp_status);
1303
1304 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1305 * fc payload to the caller
1306 */
1307 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1308 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1309
1310 if (comp_status != CS_COMPLETE) {
1311 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1312 res = DID_OK << 16;
9bc4f4fb
HZ		 1313 bsg_job->reply->reply_payload_rcv_len =
1314 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1315
7c3df132
SK		 1316 ql_log(ql_log_warn, vha, 0x5048,
1317 "CT pass-through-%s error "
9bc4f4fb 1318 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132
SK		 1319 type, comp_status,
1320 bsg_job->reply->reply_payload_rcv_len);
9bc4f4fb 1321 } else {
7c3df132
SK		 1322 ql_log(ql_log_warn, vha, 0x5049,
1323 "CT pass-through-%s error "
1324 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1325 res = DID_ERROR << 16;
9bc4f4fb
HZ		 1326 bsg_job->reply->reply_payload_rcv_len = 0;
1327 }
cfb0919c 1328 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1329 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1330 } else {
9ba56b95 1331 res = DID_OK << 16;
9bc4f4fb
HZ		 1332 bsg_job->reply->reply_payload_rcv_len =
1333 bsg_job->reply_payload.payload_len;
1334 bsg_job->reply_len = 0;
1335 }
1336
9ba56b95 1337 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1338}
1339
9a069e19
GM		 1340static void
1341qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1342 struct sts_entry_24xx *pkt, int iocb_type)
1343{
1344 const char func[] = "ELS_CT_IOCB";
1345 const char *type;
9a069e19 1346 srb_t *sp;
9a069e19
GM		 1347 struct fc_bsg_job *bsg_job;
1348 uint16_t comp_status;
1349 uint32_t fw_status[3];
1350 uint8_t* fw_sts_ptr;
9ba56b95 1351 int res;
9a069e19
GM		 1352
1353 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1354 if (!sp)
1355 return;
9ba56b95 1356 bsg_job = sp->u.bsg_job;
9a069e19
GM		 1357
1358 type = NULL;
9ba56b95 1359 switch (sp->type) {
9a069e19
GM		 1360 case SRB_ELS_CMD_RPT:
1361 case SRB_ELS_CMD_HST:
1362 type = "els";
1363 break;
1364 case SRB_CT_CMD:
1365 type = "ct pass-through";
1366 break;
1367 default:
37fed3ee 1368 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1369 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1370 return;
1371 }
1372
1373 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1374 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1375 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1376
1377 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1378 * fc payload to the caller
1379 */
1380 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1381 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1382
1383 if (comp_status != CS_COMPLETE) {
1384 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1385 res = DID_OK << 16;
9a069e19 1386 bsg_job->reply->reply_payload_rcv_len =
9ba56b95 1387 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1388
37fed3ee 1389 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1390 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1391 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1392 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1393 le16_to_cpu(((struct els_sts_entry_24xx *)
1394 pkt)->total_byte_count));
9a069e19
GM		 1395 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1396 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1397 }
1398 else {
37fed3ee 1399 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1400 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1401 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1402 type, sp->handle, comp_status,
7c3df132
SK		 1403 le16_to_cpu(((struct els_sts_entry_24xx *)
1404 pkt)->error_subcode_1),
1405 le16_to_cpu(((struct els_sts_entry_24xx *)
1406 pkt)->error_subcode_2));
9ba56b95 1407 res = DID_ERROR << 16;
9a069e19
GM		 1408 bsg_job->reply->reply_payload_rcv_len = 0;
1409 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1410 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1411 }
37fed3ee 1412 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1413 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1414 }
1415 else {
9ba56b95 1416 res = DID_OK << 16;
9a069e19
GM		 1417 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1418 bsg_job->reply_len = 0;
1419 }
1420
9ba56b95 1421 sp->done(vha, sp, res);
9a069e19
GM		 1422}
1423
ac280b67
AV		 1424static void
1425qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1426 struct logio_entry_24xx *logio)
1427{
1428 const char func[] = "LOGIO-IOCB";
1429 const char *type;
ac280b67
AV		 1430 fc_port_t *fcport;
1431 srb_t *sp;
4916392b 1432 struct srb_iocb *lio;
99b0bec7 1433 uint16_t *data;
ac280b67
AV		 1434 uint32_t iop[2];
1435
1436 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1437 if (!sp)
1438 return;
1439
9ba56b95
GM		 1440 lio = &sp->u.iocb_cmd;
1441 type = sp->name;
ac280b67 1442 fcport = sp->fcport;
4916392b 1443 data = lio->u.logio.data;
ac280b67 1444
5ff1d584 1445 data[0] = MBS_COMMAND_ERROR;
4916392b 1446 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1447 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1448 if (logio->entry_status) {
5e19ed90 1449 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1450 "Async-%s error entry - hdl=%x"
d3fa9e7d 1451 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1452 type, sp->handle, fcport->d_id.b.domain,
1453 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1454 logio->entry_status);
1455 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1456 (uint8_t *)logio, sizeof(*logio));
ac280b67 1457
99b0bec7 1458 goto logio_done;
ac280b67
AV		 1459 }
1460
1461 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1462 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1463 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1464 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1465 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1466 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1467
1468 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1469 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1470 goto logio_done;
ac280b67
AV		 1471
1472 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1473 if (iop[0] & BIT_4) {
1474 fcport->port_type = FCT_TARGET;
1475 if (iop[0] & BIT_8)
8474f3a0 1476 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1477 } else if (iop[0] & BIT_5)
ac280b67 1478 fcport->port_type = FCT_INITIATOR;
b0cd579c 1479
2d70c103
NB		 1480 if (iop[0] & BIT_7)
1481 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1482
ac280b67
AV		 1483 if (logio->io_parameter[7] || logio->io_parameter[8])
1484 fcport->supported_classes |= FC_COS_CLASS2;
1485 if (logio->io_parameter[9] || logio->io_parameter[10])
1486 fcport->supported_classes |= FC_COS_CLASS3;
1487
99b0bec7 1488 goto logio_done;
ac280b67
AV		 1489 }
1490
1491 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1492 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1493 switch (iop[0]) {
1494 case LSC_SCODE_PORTID_USED:
1495 data[0] = MBS_PORT_ID_USED;
1496 data[1] = LSW(iop[1]);
1497 break;
1498 case LSC_SCODE_NPORT_USED:
1499 data[0] = MBS_LOOP_ID_USED;
1500 break;
ac280b67
AV		 1501 default:
1502 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1503 break;
1504 }
1505
5e19ed90 1506 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1507 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1508 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1509 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1510 le16_to_cpu(logio->comp_status),
1511 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1512 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1513
99b0bec7 1514logio_done:
9ba56b95 1515 sp->done(vha, sp, 0);
ac280b67
AV		 1516}
1517
3822263e 1518static void
faef62d1 1519qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1520{
1521 const char func[] = "TMF-IOCB";
1522 const char *type;
1523 fc_port_t *fcport;
1524 srb_t *sp;
1525 struct srb_iocb *iocb;
3822263e 1526 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1527
1528 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1529 if (!sp)
1530 return;
1531
9ba56b95
GM		 1532 iocb = &sp->u.iocb_cmd;
1533 type = sp->name;
3822263e 1534 fcport = sp->fcport;
faef62d1 1535 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1536
1537 if (sts->entry_status) {
5e19ed90 1538 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1539 "Async-%s error - hdl=%x entry-status(%x).\n",
1540 type, sp->handle, sts->entry_status);
faef62d1 1541 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
3822263e 1542 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1543 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1544 "Async-%s error - hdl=%x completion status(%x).\n",
1545 type, sp->handle, sts->comp_status);
faef62d1
AB		 1546 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1547 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1548 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1549 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1550 ql_log(ql_log_warn, fcport->vha, 0x503b,
1551 "Async-%s error - hdl=%x not enough response(%d).\n",
1552 type, sp->handle, sts->rsp_data_len);
1553 } else if (sts->data[3]) {
1554 ql_log(ql_log_warn, fcport->vha, 0x503c,
1555 "Async-%s error - hdl=%x response(%x).\n",
1556 type, sp->handle, sts->data[3]);
1557 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1558 }
3822263e
MI		 1559 }
1560
faef62d1 1561 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1562 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1563 (uint8_t *)sts, sizeof(*sts));
3822263e 1564
9ba56b95 1565 sp->done(vha, sp, 0);
3822263e
MI		 1566}
1567
1da177e4
LT		 1568/**
1569 * qla2x00_process_response_queue() - Process response queue entries.
1570 * @ha: SCSI driver HA context
1571 */
1572void
73208dfd 1573qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1574{
73208dfd
AC		 1575 struct scsi_qla_host *vha;
1576 struct qla_hw_data *ha = rsp->hw;
3d71644c 1577 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1578 sts_entry_t *pkt;
1579 uint16_t handle_cnt;
1580 uint16_t cnt;
73208dfd 1581
2afa19a9 1582 vha = pci_get_drvdata(ha->pdev);
1da177e4 1583
e315cd28 1584 if (!vha->flags.online)
1da177e4
LT		 1585 return;
1586
e315cd28
AC		 1587 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1588 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1589
e315cd28
AC		 1590 rsp->ring_index++;
1591 if (rsp->ring_index == rsp->length) {
1592 rsp->ring_index = 0;
1593 rsp->ring_ptr = rsp->ring;
1da177e4 1594 } else {
e315cd28 1595 rsp->ring_ptr++;
1da177e4
LT		 1596 }
1597
1598 if (pkt->entry_status != 0) {
73208dfd 1599 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1600 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1601 wmb();
1602 continue;
1603 }
1604
1605 switch (pkt->entry_type) {
1606 case STATUS_TYPE:
73208dfd 1607 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1608 break;
1609 case STATUS_TYPE_21:
1610 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1611 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1612 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1613 ((sts21_entry_t *)pkt)->handle[cnt]);
1614 }
1615 break;
1616 case STATUS_TYPE_22:
1617 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1618 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1619 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1620 ((sts22_entry_t *)pkt)->handle[cnt]);
1621 }
1622 break;
1623 case STATUS_CONT_TYPE:
2afa19a9 1624 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1625 break;
ac280b67
AV		 1626 case MBX_IOCB_TYPE:
1627 qla2x00_mbx_iocb_entry(vha, rsp->req,
1628 (struct mbx_entry *)pkt);
3822263e 1629 break;
9bc4f4fb
HZ		 1630 case CT_IOCB_TYPE:
1631 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1632 break;
1da177e4
LT		 1633 default:
1634 /* Type Not Supported. */
7c3df132
SK		 1635 ql_log(ql_log_warn, vha, 0x504a,
1636 "Received unknown response pkt type %x "
1da177e4 1637 "entry status=%x.\n",
7c3df132 1638 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1639 break;
1640 }
1641 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1642 wmb();
1643 }
1644
1645 /* Adjust ring index */
e315cd28 1646 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1647}
1648
4733fcb1 1649static inline void
5544213b 1650qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1651 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1652{
7c3df132 1653 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1654 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1655 uint32_t track_sense_len;
4733fcb1
AV		 1656
1657 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1658 sense_len = SCSI_SENSE_BUFFERSIZE;
1659
9ba56b95
GM		 1660 SET_CMD_SENSE_LEN(sp, sense_len);
1661 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1662 track_sense_len = sense_len;
1663
1664 if (sense_len > par_sense_len)
5544213b 1665 sense_len = par_sense_len;
4733fcb1
AV		 1666
1667 memcpy(cp->sense_buffer, sense_data, sense_len);
1668
9ba56b95
GM		 1669 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1670 track_sense_len -= sense_len;
1671 SET_CMD_SENSE_LEN(sp, track_sense_len);
1672
1673 if (track_sense_len != 0) {
2afa19a9 1674 rsp->status_srb = sp;
9ba56b95
GM		 1675 cp->result = res;
1676 }
4733fcb1 1677
cfb0919c
CD		 1678 if (sense_len) {
1679 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
9cb78c16 1680 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
cfb0919c
CD		 1681 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1682 cp);
7c3df132
SK		 1683 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1684 cp->sense_buffer, sense_len);
cfb0919c 1685 }
4733fcb1
AV		 1686}
1687
bad75002
AE		 1688struct scsi_dif_tuple {
1689 __be16 guard; /* Checksum */
d6a03581 1690 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1691 __be32 ref_tag; /* Target LBA or indirect LBA */
1692};
1693
1694/*
1695 * Checks the guard or meta-data for the type of error
1696 * detected by the HBA. In case of errors, we set the
1697 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1698 * to indicate to the kernel that the HBA detected error.
1699 */
8cb2049c 1700static inline int
bad75002
AE		 1701qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1702{
7c3df132 1703 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1704 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1705 uint8_t *ap = &sts24->data[12];
1706 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1707 uint32_t e_ref_tag, a_ref_tag;
1708 uint16_t e_app_tag, a_app_tag;
1709 uint16_t e_guard, a_guard;
1710
8cb2049c
AE		 1711 /*
1712 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1713 * would make guard field appear at offset 2
1714 */
1715 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1716 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1717 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1718 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1719 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1720 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1721
7c3df132
SK		 1722 ql_dbg(ql_dbg_io, vha, 0x3023,
1723 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1724
7c3df132
SK		 1725 ql_dbg(ql_dbg_io, vha, 0x3024,
1726 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1727 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1728 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1729 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1730 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1731
8cb2049c
AE		 1732 /*
1733 * Ignore sector if:
1734 * For type 3: ref & app tag is all 'f's
1735 * For type 0,1,2: app tag is all 'f's
1736 */
1737 if ((a_app_tag == 0xffff) &&
1738 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1739 (a_ref_tag == 0xffffffff))) {
1740 uint32_t blocks_done, resid;
1741 sector_t lba_s = scsi_get_lba(cmd);
1742
1743 /* 2TB boundary case covered automatically with this */
1744 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1745
1746 resid = scsi_bufflen(cmd) - (blocks_done *
1747 cmd->device->sector_size);
1748
1749 scsi_set_resid(cmd, resid);
1750 cmd->result = DID_OK << 16;
1751
1752 /* Update protection tag */
1753 if (scsi_prot_sg_count(cmd)) {
1754 uint32_t i, j = 0, k = 0, num_ent;
1755 struct scatterlist *sg;
1756 struct sd_dif_tuple *spt;
1757
1758 /* Patch the corresponding protection tags */
1759 scsi_for_each_prot_sg(cmd, sg,
1760 scsi_prot_sg_count(cmd), i) {
1761 num_ent = sg_dma_len(sg) / 8;
1762 if (k + num_ent < blocks_done) {
1763 k += num_ent;
1764 continue;
1765 }
1766 j = blocks_done - k - 1;
1767 k = blocks_done;
1768 break;
1769 }
1770
1771 if (k != blocks_done) {
cfb0919c 1772 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1773 "unexpected tag values tag:lba=%x:%llx)\n",
1774 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1775 return 1;
1776 }
1777
1778 spt = page_address(sg_page(sg)) + sg->offset;
1779 spt += j;
1780
1781 spt->app_tag = 0xffff;
1782 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1783 spt->ref_tag = 0xffffffff;
1784 }
1785
1786 return 0;
1787 }
1788
bad75002
AE		 1789 /* check guard */
1790 if (e_guard != a_guard) {
1791 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1792 0x10, 0x1);
1793 set_driver_byte(cmd, DRIVER_SENSE);
1794 set_host_byte(cmd, DID_ABORT);
1795 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1796 return 1;
bad75002
AE		 1797 }
1798
e02587d7
AE		 1799 /* check ref tag */
1800 if (e_ref_tag != a_ref_tag) {
bad75002 1801 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1802 0x10, 0x3);
bad75002
AE		 1803 set_driver_byte(cmd, DRIVER_SENSE);
1804 set_host_byte(cmd, DID_ABORT);
1805 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1806 return 1;
bad75002
AE		 1807 }
1808
e02587d7
AE		 1809 /* check appl tag */
1810 if (e_app_tag != a_app_tag) {
bad75002 1811 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1812 0x10, 0x2);
bad75002
AE		 1813 set_driver_byte(cmd, DRIVER_SENSE);
1814 set_host_byte(cmd, DID_ABORT);
1815 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1816 return 1;
bad75002 1817 }
e02587d7 1818
8cb2049c 1819 return 1;
bad75002
AE		 1820}
1821
a9b6f722
SK		 1822static void
1823qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1824 struct req_que *req, uint32_t index)
1825{
1826 struct qla_hw_data *ha = vha->hw;
1827 srb_t *sp;
1828 uint16_t comp_status;
1829 uint16_t scsi_status;
1830 uint16_t thread_id;
1831 uint32_t rval = EXT_STATUS_OK;
1832 struct fc_bsg_job *bsg_job = NULL;
1833 sts_entry_t *sts;
1834 struct sts_entry_24xx *sts24;
1835 sts = (sts_entry_t *) pkt;
1836 sts24 = (struct sts_entry_24xx *) pkt;
1837
1838 /* Validate handle. */
8d93f550 1839 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1840 ql_log(ql_log_warn, vha, 0x70af,
1841 "Invalid SCSI completion handle 0x%x.\n", index);
1842 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1843 return;
1844 }
1845
1846 sp = req->outstanding_cmds[index];
1847 if (sp) {
1848 /* Free outstanding command slot. */
1849 req->outstanding_cmds[index] = NULL;
1850 bsg_job = sp->u.bsg_job;
1851 } else {
1852 ql_log(ql_log_warn, vha, 0x70b0,
1853 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1854 req->id, index);
1855
1856 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1857 return;
1858 }
1859
1860 if (IS_FWI2_CAPABLE(ha)) {
1861 comp_status = le16_to_cpu(sts24->comp_status);
1862 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1863 } else {
1864 comp_status = le16_to_cpu(sts->comp_status);
1865 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1866 }
1867
1868 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1869 switch (comp_status) {
1870 case CS_COMPLETE:
1871 if (scsi_status == 0) {
1872 bsg_job->reply->reply_payload_rcv_len =
1873 bsg_job->reply_payload.payload_len;
fabbb8df
JC		 1874 vha->qla_stats.input_bytes +=
1875 bsg_job->reply->reply_payload_rcv_len;
1876 vha->qla_stats.input_requests++;
a9b6f722
SK		 1877 rval = EXT_STATUS_OK;
1878 }
1879 goto done;
1880
1881 case CS_DATA_OVERRUN:
1882 ql_dbg(ql_dbg_user, vha, 0x70b1,
1883 "Command completed with date overrun thread_id=%d\n",
1884 thread_id);
1885 rval = EXT_STATUS_DATA_OVERRUN;
1886 break;
1887
1888 case CS_DATA_UNDERRUN:
1889 ql_dbg(ql_dbg_user, vha, 0x70b2,
1890 "Command completed with date underrun thread_id=%d\n",
1891 thread_id);
1892 rval = EXT_STATUS_DATA_UNDERRUN;
1893 break;
1894 case CS_BIDIR_RD_OVERRUN:
1895 ql_dbg(ql_dbg_user, vha, 0x70b3,
1896 "Command completed with read data overrun thread_id=%d\n",
1897 thread_id);
1898 rval = EXT_STATUS_DATA_OVERRUN;
1899 break;
1900
1901 case CS_BIDIR_RD_WR_OVERRUN:
1902 ql_dbg(ql_dbg_user, vha, 0x70b4,
1903 "Command completed with read and write data overrun "
1904 "thread_id=%d\n", thread_id);
1905 rval = EXT_STATUS_DATA_OVERRUN;
1906 break;
1907
1908 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1909 ql_dbg(ql_dbg_user, vha, 0x70b5,
1910 "Command completed with read data over and write data "
1911 "underrun thread_id=%d\n", thread_id);
1912 rval = EXT_STATUS_DATA_OVERRUN;
1913 break;
1914
1915 case CS_BIDIR_RD_UNDERRUN:
1916 ql_dbg(ql_dbg_user, vha, 0x70b6,
1917 "Command completed with read data data underrun "
1918 "thread_id=%d\n", thread_id);
1919 rval = EXT_STATUS_DATA_UNDERRUN;
1920 break;
1921
1922 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1923 ql_dbg(ql_dbg_user, vha, 0x70b7,
1924 "Command completed with read data under and write data "
1925 "overrun thread_id=%d\n", thread_id);
1926 rval = EXT_STATUS_DATA_UNDERRUN;
1927 break;
1928
1929 case CS_BIDIR_RD_WR_UNDERRUN:
1930 ql_dbg(ql_dbg_user, vha, 0x70b8,
1931 "Command completed with read and write data underrun "
1932 "thread_id=%d\n", thread_id);
1933 rval = EXT_STATUS_DATA_UNDERRUN;
1934 break;
1935
1936 case CS_BIDIR_DMA:
1937 ql_dbg(ql_dbg_user, vha, 0x70b9,
1938 "Command completed with data DMA error thread_id=%d\n",
1939 thread_id);
1940 rval = EXT_STATUS_DMA_ERR;
1941 break;
1942
1943 case CS_TIMEOUT:
1944 ql_dbg(ql_dbg_user, vha, 0x70ba,
1945 "Command completed with timeout thread_id=%d\n",
1946 thread_id);
1947 rval = EXT_STATUS_TIMEOUT;
1948 break;
1949 default:
1950 ql_dbg(ql_dbg_user, vha, 0x70bb,
1951 "Command completed with completion status=0x%x "
1952 "thread_id=%d\n", comp_status, thread_id);
1953 rval = EXT_STATUS_ERR;
1954 break;
1955 }
1956 bsg_job->reply->reply_payload_rcv_len = 0;
1957
1958done:
1959 /* Return the vendor specific reply to API */
1960 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1961 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1962 /* Always return DID_OK, bsg will send the vendor specific response
1963 * in this case only */
1964 sp->done(vha, sp, (DID_OK << 6));
1965
1966}
1967
1da177e4
LT		 1968/**
1969 * qla2x00_status_entry() - Process a Status IOCB entry.
1970 * @ha: SCSI driver HA context
1971 * @pkt: Entry pointer
1972 */
1973static void
73208dfd 1974qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 1975{
1da177e4 1976 srb_t *sp;
1da177e4
LT		 1977 fc_port_t *fcport;
1978 struct scsi_cmnd *cp;
9a853f71
AV		 1979 sts_entry_t *sts;
1980 struct sts_entry_24xx *sts24;
1da177e4
LT		 1981 uint16_t comp_status;
1982 uint16_t scsi_status;
b7d2280c 1983 uint16_t ox_id;
1da177e4
LT		 1984 uint8_t lscsi_status;
1985 int32_t resid;
5544213b
AV		 1986 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1987 fw_resid_len;
9a853f71 1988 uint8_t *rsp_info, *sense_data;
e315cd28 1989 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 1990 uint32_t handle;
1991 uint16_t que;
1992 struct req_que *req;
b7d2280c 1993 int logit = 1;
9ba56b95 1994 int res = 0;
a9b6f722 1995 uint16_t state_flags = 0;
e05fe292 1996 uint16_t retry_delay = 0;
9a853f71
AV		 1997
1998 sts = (sts_entry_t *) pkt;
1999 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 2000 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 2001 comp_status = le16_to_cpu(sts24->comp_status);
2002 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 2003 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 2004 } else {
2005 comp_status = le16_to_cpu(sts->comp_status);
2006 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2007 }
2afa19a9
AC		 2008 handle = (uint32_t) LSW(sts->handle);
2009 que = MSW(sts->handle);
2010 req = ha->req_q_map[que];
a9083016 2011
36008cf1
CD		 2012 /* Check for invalid queue pointer */
2013 if (req == NULL ||
2014 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2015 ql_dbg(ql_dbg_io, vha, 0x3059,
2016 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2017 "que=%u.\n", sts->handle, req, que);
2018 return;
2019 }
2020
1da177e4 2021 /* Validate handle. */
8d93f550 2022 if (handle < req->num_outstanding_cmds)
2afa19a9 2023 sp = req->outstanding_cmds[handle];
8d93f550 2024 else
1da177e4
LT		 2025 sp = NULL;
2026
2027 if (sp == NULL) {
cfb0919c 2028 ql_dbg(ql_dbg_io, vha, 0x3017,
7c3df132 2029 "Invalid status handle (0x%x).\n", sts->handle);
1da177e4 2030
acd3ce88
CD		 2031 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2032 if (IS_P3P_TYPE(ha))
2033 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2034 else
2035 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2036 qla2xxx_wake_dpc(vha);
2037 }
1da177e4
LT		 2038 return;
2039 }
a9b6f722
SK		 2040
2041 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2042 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2043 return;
2044 }
2045
faef62d1
AB		 2046 /* Task Management completion. */
2047 if (sp->type == SRB_TM_CMD) {
2048 qla24xx_tm_iocb_entry(vha, req, pkt);
2049 return;
2050 }
2051
a9b6f722
SK		 2052 /* Fast path completion. */
2053 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2054 qla2x00_process_completed_request(vha, req, handle);
2055
2056 return;
2057 }
2058
2059 req->outstanding_cmds[handle] = NULL;
9ba56b95 2060 cp = GET_CMD_SP(sp);
1da177e4 2061 if (cp == NULL) {
cfb0919c 2062 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2063 "Command already returned (0x%x/%p).\n",
2064 sts->handle, sp);
1da177e4
LT		 2065
2066 return;
2067 }
2068
8ae6d9c7 2069 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2070
bdf79621 2071 fcport = sp->fcport;
1da177e4 2072
b7d2280c 2073 ox_id = 0;
5544213b
AV		 2074 sense_len = par_sense_len = rsp_info_len = resid_len =
2075 fw_resid_len = 0;
e428924c 2076 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2077 if (scsi_status & SS_SENSE_LEN_VALID)
2078 sense_len = le32_to_cpu(sts24->sense_len);
2079 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2080 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2081 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2082 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2083 if (comp_status == CS_DATA_UNDERRUN)
2084 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2085 rsp_info = sts24->data;
2086 sense_data = sts24->data;
2087 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2088 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2089 par_sense_len = sizeof(sts24->data);
e05fe292
CD		 2090 /* Valid values of the retry delay timer are 0x1-0xffef */
2091 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2092 retry_delay = sts24->retry_delay;
9a853f71 2093 } else {
0f00a206
LC		 2094 if (scsi_status & SS_SENSE_LEN_VALID)
2095 sense_len = le16_to_cpu(sts->req_sense_length);
2096 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2097 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2098 resid_len = le32_to_cpu(sts->residual_length);
2099 rsp_info = sts->rsp_info;
2100 sense_data = sts->req_sense_data;
5544213b 2101 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2102 }
2103
1da177e4
LT		 2104 /* Check for any FCP transport errors. */
2105 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2106 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2107 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2108 sense_data += rsp_info_len;
5544213b
AV		 2109 par_sense_len -= rsp_info_len;
2110 }
9a853f71 2111 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2112 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2113 "FCP I/O protocol failure (0x%x/0x%x).\n",
2114 rsp_info_len, rsp_info[3]);
1da177e4 2115
9ba56b95 2116 res = DID_BUS_BUSY << 16;
b7d2280c 2117 goto out;
1da177e4
LT		 2118 }
2119 }
2120
3e8ce320
AV		 2121 /* Check for overrun. */
2122 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2123 scsi_status & SS_RESIDUAL_OVER)
2124 comp_status = CS_DATA_OVERRUN;
2125
e05fe292
CD		 2126 /*
2127 * Check retry_delay_timer value if we receive a busy or
2128 * queue full.
2129 */
2130 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2131 lscsi_status == SAM_STAT_BUSY)
2132 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2133
1da177e4
LT		 2134 /*
2135 * Based on Host and scsi status generate status code for Linux
2136 */
2137 switch (comp_status) {
2138 case CS_COMPLETE:
df7baa50 2139 case CS_QUEUE_FULL:
1da177e4 2140 if (scsi_status == 0) {
9ba56b95 2141 res = DID_OK << 16;
1da177e4
LT		 2142 break;
2143 }
2144 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2145 resid = resid_len;
385d70b4 2146 scsi_set_resid(cp, resid);
0da69df1
AV		 2147
2148 if (!lscsi_status &&
385d70b4 2149 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2150 cp->underflow)) {
5e19ed90 2151 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2152 "Mid-layer underflow "
b7d2280c 2153 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2154 resid, scsi_bufflen(cp));
0da69df1 2155
9ba56b95 2156 res = DID_ERROR << 16;
0da69df1
AV		 2157 break;
2158 }
1da177e4 2159 }
9ba56b95 2160 res = DID_OK << 16 | lscsi_status;
1da177e4 2161
df7baa50 2162 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2163 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2164 "QUEUE FULL detected.\n");
df7baa50
AV		 2165 break;
2166 }
b7d2280c 2167 logit = 0;
1da177e4
LT		 2168 if (lscsi_status != SS_CHECK_CONDITION)
2169 break;
2170
b80ca4f7 2171 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2172 if (!(scsi_status & SS_SENSE_LEN_VALID))
2173 break;
2174
5544213b 2175 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2176 rsp, res);
1da177e4
LT		 2177 break;
2178
2179 case CS_DATA_UNDERRUN:
ed17c71b 2180 /* Use F/W calculated residual length. */
0f00a206
LC		 2181 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2182 scsi_set_resid(cp, resid);
2183 if (scsi_status & SS_RESIDUAL_UNDER) {
2184 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2185 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2186 "Dropped frame(s) detected "
2187 "(0x%x of 0x%x bytes).\n",
2188 resid, scsi_bufflen(cp));
0f00a206 2189
9ba56b95 2190 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2191 goto check_scsi_status;
6acf8190 2192 }
ed17c71b 2193
0f00a206
LC		 2194 if (!lscsi_status &&
2195 ((unsigned)(scsi_bufflen(cp) - resid) <
2196 cp->underflow)) {
5e19ed90 2197 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2198 "Mid-layer underflow "
b7d2280c 2199 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2200 resid, scsi_bufflen(cp));
e038a1be 2201
9ba56b95 2202 res = DID_ERROR << 16;
0f00a206
LC		 2203 break;
2204 }
4aee5766
GM		 2205 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2206 lscsi_status != SAM_STAT_BUSY) {
2207 /*
2208 * scsi status of task set and busy are considered to be
2209 * task not completed.
2210 */
2211
5e19ed90 2212 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2213 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2214 "of 0x%x bytes).\n", resid,
2215 scsi_bufflen(cp));
0f00a206 2216
9ba56b95 2217 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2218 goto check_scsi_status;
4aee5766
GM		 2219 } else {
2220 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2221 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2222 scsi_status, lscsi_status);
1da177e4
LT		 2223 }
2224
9ba56b95 2225 res = DID_OK << 16 | lscsi_status;
b7d2280c 2226 logit = 0;
0f00a206 2227
0374f55e 2228check_scsi_status:
1da177e4 2229 /*
fa2a1ce5 2230 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2231 * Status.
2232 */
2233 if (lscsi_status != 0) {
ffec28a3 2234 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2235 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2236 "QUEUE FULL detected.\n");
b7d2280c 2237 logit = 1;
ffec28a3
AV		 2238 break;
2239 }
1da177e4
LT		 2240 if (lscsi_status != SS_CHECK_CONDITION)
2241 break;
2242
b80ca4f7 2243 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2244 if (!(scsi_status & SS_SENSE_LEN_VALID))
2245 break;
2246
5544213b 2247 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2248 sense_len, rsp, res);
1da177e4
LT		 2249 }
2250 break;
2251
1da177e4
LT		 2252 case CS_PORT_LOGGED_OUT:
2253 case CS_PORT_CONFIG_CHG:
2254 case CS_PORT_BUSY:
2255 case CS_INCOMPLETE:
2256 case CS_PORT_UNAVAILABLE:
b7d2280c 2257 case CS_TIMEOUT:
ff454b01
CD		 2258 case CS_RESET:
2259
056a4483
MC		 2260 /*
2261 * We are going to have the fc class block the rport
2262 * while we try to recover so instruct the mid layer
2263 * to requeue until the class decides how to handle this.
2264 */
9ba56b95 2265 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2266
2267 if (comp_status == CS_TIMEOUT) {
2268 if (IS_FWI2_CAPABLE(ha))
2269 break;
2270 else if ((le16_to_cpu(sts->status_flags) &
2271 SF_LOGOUT_SENT) == 0)
2272 break;
2273 }
2274
5e19ed90 2275 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
0e948975
CD		 2276 "Port to be marked lost on fcport=%02x%02x%02x, current "
2277 "port state= %s.\n", fcport->d_id.b.domain,
2278 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2279 port_state_str[atomic_read(&fcport->state)]);
b7d2280c 2280
a7a28504 2281 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2282 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2283 break;
2284
1da177e4 2285 case CS_ABORTED:
9ba56b95 2286 res = DID_RESET << 16;
1da177e4 2287 break;
bad75002
AE		 2288
2289 case CS_DIF_ERROR:
8cb2049c 2290 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2291 res = cp->result;
bad75002 2292 break;
9e522cd8
AE		 2293
2294 case CS_TRANSPORT:
2295 res = DID_ERROR << 16;
2296
2297 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2298 break;
2299
2300 if (state_flags & BIT_4)
2301 scmd_printk(KERN_WARNING, cp,
2302 "Unsupported device '%s' found.\n",
2303 cp->device->vendor);
2304 break;
2305
1da177e4 2306 default:
9ba56b95 2307 res = DID_ERROR << 16;
1da177e4
LT		 2308 break;
2309 }
2310
b7d2280c
AV		 2311out:
2312 if (logit)
5e19ed90 2313 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
9cb78c16 2314 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
7b833558 2315 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
7c3df132 2316 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
9ba56b95 2317 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2318 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2319 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2320 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
7c3df132 2321 resid_len, fw_resid_len);
b7d2280c 2322
2afa19a9 2323 if (rsp->status_srb == NULL)
9ba56b95 2324 sp->done(ha, sp, res);
1da177e4
LT		 2325}
2326
2327/**
2328 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2329 * @ha: SCSI driver HA context
2330 * @pkt: Entry pointer
2331 *
2332 * Extended sense data.
2333 */
2334static void
2afa19a9 2335qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2336{
9ba56b95 2337 uint8_t sense_sz = 0;
2afa19a9 2338 struct qla_hw_data *ha = rsp->hw;
7c3df132 2339 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2340 srb_t *sp = rsp->status_srb;
1da177e4 2341 struct scsi_cmnd *cp;
9ba56b95
GM		 2342 uint32_t sense_len;
2343 uint8_t *sense_ptr;
1da177e4 2344
9ba56b95
GM		 2345 if (!sp || !GET_CMD_SENSE_LEN(sp))
2346 return;
1da177e4 2347
9ba56b95
GM		 2348 sense_len = GET_CMD_SENSE_LEN(sp);
2349 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2350
9ba56b95
GM		 2351 cp = GET_CMD_SP(sp);
2352 if (cp == NULL) {
2353 ql_log(ql_log_warn, vha, 0x3025,
2354 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2355
9ba56b95
GM		 2356 rsp->status_srb = NULL;
2357 return;
1da177e4 2358 }
1da177e4 2359
9ba56b95
GM		 2360 if (sense_len > sizeof(pkt->data))
2361 sense_sz = sizeof(pkt->data);
2362 else
2363 sense_sz = sense_len;
c4631191 2364
9ba56b95
GM		 2365 /* Move sense data. */
2366 if (IS_FWI2_CAPABLE(ha))
2367 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2368 memcpy(sense_ptr, pkt->data, sense_sz);
2369 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2370 sense_ptr, sense_sz);
c4631191 2371
9ba56b95
GM		 2372 sense_len -= sense_sz;
2373 sense_ptr += sense_sz;
c4631191 2374
9ba56b95
GM		 2375 SET_CMD_SENSE_PTR(sp, sense_ptr);
2376 SET_CMD_SENSE_LEN(sp, sense_len);
2377
2378 /* Place command on done queue. */
2379 if (sense_len == 0) {
2380 rsp->status_srb = NULL;
2381 sp->done(ha, sp, cp->result);
c4631191 2382 }
c4631191
GM		 2383}
2384
1da177e4
LT		 2385/**
2386 * qla2x00_error_entry() - Process an error entry.
2387 * @ha: SCSI driver HA context
2388 * @pkt: Entry pointer
2389 */
2390static void
73208dfd 2391qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2392{
2393 srb_t *sp;
e315cd28 2394 struct qla_hw_data *ha = vha->hw;
c4631191 2395 const char func[] = "ERROR-IOCB";
2afa19a9 2396 uint16_t que = MSW(pkt->handle);
a6fe35c0 2397 struct req_que *req = NULL;
9ba56b95 2398 int res = DID_ERROR << 16;
7c3df132 2399
9ba56b95
GM		 2400 ql_dbg(ql_dbg_async, vha, 0x502a,
2401 "type of error status in response: 0x%x\n", pkt->entry_status);
2402
a6fe35c0
AE		 2403 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2404 goto fatal;
2405
2406 req = ha->req_q_map[que];
2407
9ba56b95
GM		 2408 if (pkt->entry_status & RF_BUSY)
2409 res = DID_BUS_BUSY << 16;
1da177e4 2410
c4631191 2411 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2412 if (sp) {
9ba56b95 2413 sp->done(ha, sp, res);
a6fe35c0 2414 return;
1da177e4 2415 }
a6fe35c0
AE		 2416fatal:
2417 ql_log(ql_log_warn, vha, 0x5030,
2418 "Error entry - invalid handle/queue.\n");
2419
7ec0effd 2420 if (IS_P3P_TYPE(ha))
a6fe35c0
AE		 2421 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2422 else
2423 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2424 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2425}
2426
9a853f71
AV		 2427/**
2428 * qla24xx_mbx_completion() - Process mailbox command completions.
2429 * @ha: SCSI driver HA context
2430 * @mb0: Mailbox0 register
2431 */
2432static void
e315cd28 2433qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2434{
2435 uint16_t cnt;
4fa94f83 2436 uint32_t mboxes;
9a853f71 2437 uint16_t __iomem *wptr;
e315cd28 2438 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2439 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2440
4fa94f83
AV		 2441 /* Read all mbox registers? */
2442 mboxes = (1 << ha->mbx_count) - 1;
2443 if (!ha->mcp)
a720101d 2444 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2445 else
2446 mboxes = ha->mcp->in_mb;
2447
9a853f71
AV		 2448 /* Load return mailbox registers. */
2449 ha->flags.mbox_int = 1;
2450 ha->mailbox_out[0] = mb0;
4fa94f83 2451 mboxes >>= 1;
9a853f71
AV		 2452 wptr = (uint16_t __iomem *)&reg->mailbox1;
2453
2454 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2455 if (mboxes & BIT_0)
2456 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2457
2458 mboxes >>= 1;
9a853f71
AV		 2459 wptr++;
2460 }
9a853f71
AV		 2461}
2462
4440e46d
AB		 2463static void
2464qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2465 struct abort_entry_24xx *pkt)
2466{
2467 const char func[] = "ABT_IOCB";
2468 srb_t *sp;
2469 struct srb_iocb *abt;
2470
2471 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2472 if (!sp)
2473 return;
2474
2475 abt = &sp->u.iocb_cmd;
2476 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2477 sp->done(vha, sp, 0);
2478}
2479
9a853f71
AV		 2480/**
2481 * qla24xx_process_response_queue() - Process response queue entries.
2482 * @ha: SCSI driver HA context
2483 */
2afa19a9
AC		 2484void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2485 struct rsp_que *rsp)
9a853f71 2486{
9a853f71 2487 struct sts_entry_24xx *pkt;
a9083016 2488 struct qla_hw_data *ha = vha->hw;
9a853f71 2489
e315cd28 2490 if (!vha->flags.online)
9a853f71
AV		 2491 return;
2492
e315cd28
AC		 2493 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2494 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2495
e315cd28
AC		 2496 rsp->ring_index++;
2497 if (rsp->ring_index == rsp->length) {
2498 rsp->ring_index = 0;
2499 rsp->ring_ptr = rsp->ring;
9a853f71 2500 } else {
e315cd28 2501 rsp->ring_ptr++;
9a853f71
AV		 2502 }
2503
2504 if (pkt->entry_status != 0) {
73208dfd 2505 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103 2506
f83adb61
QT		 2507 if (qlt_24xx_process_response_error(vha, pkt))
2508 goto process_err;
2d70c103 2509
9a853f71
AV		 2510 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2511 wmb();
2512 continue;
2513 }
f83adb61 2514process_err:
9a853f71
AV		 2515
2516 switch (pkt->entry_type) {
2517 case STATUS_TYPE:
73208dfd 2518 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2519 break;
2520 case STATUS_CONT_TYPE:
2afa19a9 2521 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2522 break;
2c3dfe3f 2523 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2524 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2525 (struct vp_rpt_id_entry_24xx *)pkt);
2526 break;
ac280b67
AV		 2527 case LOGINOUT_PORT_IOCB_TYPE:
2528 qla24xx_logio_entry(vha, rsp->req,
2529 (struct logio_entry_24xx *)pkt);
2530 break;
f83adb61 2531 case CT_IOCB_TYPE:
9a069e19 2532 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2533 break;
f83adb61 2534 case ELS_IOCB_TYPE:
9a069e19
GM		 2535 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2536 break;
2d70c103
NB		 2537 case ABTS_RECV_24XX:
2538 /* ensure that the ATIO queue is empty */
2539 qlt_24xx_process_atio_queue(vha);
2540 case ABTS_RESP_24XX:
2541 case CTIO_TYPE7:
2542 case NOTIFY_ACK_TYPE:
f83adb61 2543 case CTIO_CRC2:
2d70c103
NB		 2544 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2545 break;
54883291
SK		 2546 case MARKER_TYPE:
2547 /* Do nothing in this case, this check is to prevent it
2548 * from falling into default case
2549 */
2550 break;
4440e46d
AB		 2551 case ABORT_IOCB_TYPE:
2552 qla24xx_abort_iocb_entry(vha, rsp->req,
2553 (struct abort_entry_24xx *)pkt);
2554 break;
9a853f71
AV		 2555 default:
2556 /* Type Not Supported. */
7c3df132
SK		 2557 ql_dbg(ql_dbg_async, vha, 0x5042,
2558 "Received unknown response pkt type %x "
9a853f71 2559 "entry status=%x.\n",
7c3df132 2560 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2561 break;
2562 }
2563 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2564 wmb();
2565 }
2566
2567 /* Adjust ring index */
7ec0effd 2568 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2569 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2570 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2571 } else
2572 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2573}
2574
05236a05 2575static void
e315cd28 2576qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2577{
2578 int rval;
2579 uint32_t cnt;
e315cd28 2580 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2581 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2582
f73cb695
CD		 2583 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2584 !IS_QLA27XX(ha))
05236a05
AV		 2585 return;
2586
2587 rval = QLA_SUCCESS;
2588 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2589 RD_REG_DWORD(&reg->iobase_addr);
2590 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2591 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2592 rval == QLA_SUCCESS; cnt--) {
2593 if (cnt) {
2594 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2595 udelay(10);
2596 } else
2597 rval = QLA_FUNCTION_TIMEOUT;
2598 }
2599 if (rval == QLA_SUCCESS)
2600 goto next_test;
2601
b2ec76c5 2602 rval = QLA_SUCCESS;
05236a05
AV		 2603 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2604 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2605 rval == QLA_SUCCESS; cnt--) {
2606 if (cnt) {
2607 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2608 udelay(10);
2609 } else
2610 rval = QLA_FUNCTION_TIMEOUT;
2611 }
2612 if (rval != QLA_SUCCESS)
2613 goto done;
2614
2615next_test:
2616 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2617 ql_log(ql_log_info, vha, 0x504c,
2618 "Additional code -- 0x55AA.\n");
05236a05
AV		 2619
2620done:
2621 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2622 RD_REG_DWORD(&reg->iobase_window);
2623}
2624
9a853f71 2625/**
6246b8a1 2626 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2627 * @irq:
2628 * @dev_id: SCSI driver HA context
9a853f71
AV		 2629 *
2630 * Called by system whenever the host adapter generates an interrupt.
2631 *
2632 * Returns handled flag.
2633 */
2634irqreturn_t
7d12e780 2635qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2636{
e315cd28
AC		 2637 scsi_qla_host_t *vha;
2638 struct qla_hw_data *ha;
9a853f71
AV		 2639 struct device_reg_24xx __iomem *reg;
2640 int status;
9a853f71
AV		 2641 unsigned long iter;
2642 uint32_t stat;
2643 uint32_t hccr;
7d613ac6 2644 uint16_t mb[8];
e315cd28 2645 struct rsp_que *rsp;
43fac4d9 2646 unsigned long flags;
9a853f71 2647
e315cd28
AC		 2648 rsp = (struct rsp_que *) dev_id;
2649 if (!rsp) {
3256b435
CD		 2650 ql_log(ql_log_info, NULL, 0x5059,
2651 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2652 return IRQ_NONE;
2653 }
2654
e315cd28 2655 ha = rsp->hw;
9a853f71
AV		 2656 reg = &ha->iobase->isp24;
2657 status = 0;
2658
85880801
AV		 2659 if (unlikely(pci_channel_offline(ha->pdev)))
2660 return IRQ_HANDLED;
2661
43fac4d9 2662 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2663 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2664 for (iter = 50; iter--; ) {
2665 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2666 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2667 break;
9a853f71 2668 if (stat & HSRX_RISC_PAUSED) {
85880801 2669 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2670 break;
2671
9a853f71
AV		 2672 hccr = RD_REG_DWORD(&reg->hccr);
2673
7c3df132
SK		 2674 ql_log(ql_log_warn, vha, 0x504b,
2675 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2676 hccr);
05236a05 2677
e315cd28 2678 qla2xxx_check_risc_status(vha);
05236a05 2679
e315cd28
AC		 2680 ha->isp_ops->fw_dump(vha, 1);
2681 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2682 break;
2683 } else if ((stat & HSRX_RISC_INT) == 0)
2684 break;
2685
2686 switch (stat & 0xff) {
fafbda9f
AE		 2687 case INTR_ROM_MB_SUCCESS:
2688 case INTR_ROM_MB_FAILED:
2689 case INTR_MB_SUCCESS:
2690 case INTR_MB_FAILED:
e315cd28 2691 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2692 status |= MBX_INTERRUPT;
2693
2694 break;
fafbda9f 2695 case INTR_ASYNC_EVENT:
9a853f71
AV		 2696 mb[0] = MSW(stat);
2697 mb[1] = RD_REG_WORD(&reg->mailbox1);
2698 mb[2] = RD_REG_WORD(&reg->mailbox2);
2699 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2700 qla2x00_async_event(vha, rsp, mb);
9a853f71 2701 break;
fafbda9f
AE		 2702 case INTR_RSP_QUE_UPDATE:
2703 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2704 qla24xx_process_response_queue(vha, rsp);
9a853f71 2705 break;
fafbda9f 2706 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2707 qlt_24xx_process_atio_queue(vha);
2708 break;
fafbda9f 2709 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2710 qlt_24xx_process_atio_queue(vha);
2711 qla24xx_process_response_queue(vha, rsp);
2712 break;
9a853f71 2713 default:
7c3df132
SK		 2714 ql_dbg(ql_dbg_async, vha, 0x504f,
2715 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2716 break;
2717 }
2718 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2719 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2720 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2721 ndelay(3500);
9a853f71 2722 }
36439832 2723 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2724 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2725
9a853f71
AV		 2726 return IRQ_HANDLED;
2727}
2728
a8488abe
AV		 2729static irqreturn_t
2730qla24xx_msix_rsp_q(int irq, void *dev_id)
2731{
e315cd28
AC		 2732 struct qla_hw_data *ha;
2733 struct rsp_que *rsp;
a8488abe 2734 struct device_reg_24xx __iomem *reg;
2afa19a9 2735 struct scsi_qla_host *vha;
0f19bc68 2736 unsigned long flags;
f3ddac19 2737 uint32_t stat = 0;
a8488abe 2738
e315cd28
AC		 2739 rsp = (struct rsp_que *) dev_id;
2740 if (!rsp) {
3256b435
CD		 2741 ql_log(ql_log_info, NULL, 0x505a,
2742 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2743 return IRQ_NONE;
2744 }
2745 ha = rsp->hw;
a8488abe
AV		 2746 reg = &ha->iobase->isp24;
2747
0f19bc68 2748 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2749
a67093d4 2750 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2751 /*
2752 * Use host_status register to check to PCI disconnection before we
2753 * we process the response queue.
2754 */
2755 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2756 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2757 goto out;
2afa19a9 2758 qla24xx_process_response_queue(vha, rsp);
3155754a 2759 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2760 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2761 RD_REG_DWORD_RELAXED(&reg->hccr);
2762 }
f3ddac19 2763out:
0f19bc68 2764 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2765
2766 return IRQ_HANDLED;
2767}
2768
68ca949c
AC		 2769static irqreturn_t
2770qla25xx_msix_rsp_q(int irq, void *dev_id)
2771{
2772 struct qla_hw_data *ha;
f3ddac19 2773 scsi_qla_host_t *vha;
68ca949c 2774 struct rsp_que *rsp;
3155754a 2775 struct device_reg_24xx __iomem *reg;
0f19bc68 2776 unsigned long flags;
f3ddac19 2777 uint32_t hccr = 0;
68ca949c
AC		 2778
2779 rsp = (struct rsp_que *) dev_id;
2780 if (!rsp) {
3256b435
CD		 2781 ql_log(ql_log_info, NULL, 0x505b,
2782 "%s: NULL response queue pointer.\n", __func__);
68ca949c
AC		 2783 return IRQ_NONE;
2784 }
2785 ha = rsp->hw;
f3ddac19 2786 vha = pci_get_drvdata(ha->pdev);
68ca949c 2787
3155754a 2788 /* Clear the interrupt, if enabled, for this response queue */
d424754c 2789 if (!ha->flags.disable_msix_handshake) {
3155754a 2790 reg = &ha->iobase->isp24;
0f19bc68 2791 spin_lock_irqsave(&ha->hardware_lock, flags);
3155754a 2792 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
f3ddac19 2793 hccr = RD_REG_DWORD_RELAXED(&reg->hccr);
0f19bc68 2794 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155754a 2795 }
c821e0d5 2796 if (qla2x00_check_reg32_for_disconnect(vha, hccr))
f3ddac19 2797 goto out;
68ca949c
AC		 2798 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2799
f3ddac19 2800out:
68ca949c
AC		 2801 return IRQ_HANDLED;
2802}
2803
a8488abe
AV		 2804static irqreturn_t
2805qla24xx_msix_default(int irq, void *dev_id)
2806{
e315cd28
AC		 2807 scsi_qla_host_t *vha;
2808 struct qla_hw_data *ha;
2809 struct rsp_que *rsp;
a8488abe
AV		 2810 struct device_reg_24xx __iomem *reg;
2811 int status;
a8488abe
AV		 2812 uint32_t stat;
2813 uint32_t hccr;
7d613ac6 2814 uint16_t mb[8];
0f19bc68 2815 unsigned long flags;
a8488abe 2816
e315cd28
AC		 2817 rsp = (struct rsp_que *) dev_id;
2818 if (!rsp) {
3256b435
CD		 2819 ql_log(ql_log_info, NULL, 0x505c,
2820 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2821 return IRQ_NONE;
2822 }
2823 ha = rsp->hw;
a8488abe
AV		 2824 reg = &ha->iobase->isp24;
2825 status = 0;
2826
0f19bc68 2827 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2828 vha = pci_get_drvdata(ha->pdev);
87f27015 2829 do {
a8488abe 2830 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2831 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2832 break;
a8488abe 2833 if (stat & HSRX_RISC_PAUSED) {
85880801 2834 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2835 break;
2836
a8488abe
AV		 2837 hccr = RD_REG_DWORD(&reg->hccr);
2838
7c3df132
SK		 2839 ql_log(ql_log_info, vha, 0x5050,
2840 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2841 hccr);
05236a05 2842
e315cd28 2843 qla2xxx_check_risc_status(vha);
05236a05 2844
e315cd28
AC		 2845 ha->isp_ops->fw_dump(vha, 1);
2846 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2847 break;
2848 } else if ((stat & HSRX_RISC_INT) == 0)
2849 break;
2850
2851 switch (stat & 0xff) {
fafbda9f
AE		 2852 case INTR_ROM_MB_SUCCESS:
2853 case INTR_ROM_MB_FAILED:
2854 case INTR_MB_SUCCESS:
2855 case INTR_MB_FAILED:
e315cd28 2856 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2857 status |= MBX_INTERRUPT;
2858
2859 break;
fafbda9f 2860 case INTR_ASYNC_EVENT:
a8488abe
AV		 2861 mb[0] = MSW(stat);
2862 mb[1] = RD_REG_WORD(&reg->mailbox1);
2863 mb[2] = RD_REG_WORD(&reg->mailbox2);
2864 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2865 qla2x00_async_event(vha, rsp, mb);
a8488abe 2866 break;
fafbda9f
AE		 2867 case INTR_RSP_QUE_UPDATE:
2868 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2869 qla24xx_process_response_queue(vha, rsp);
a8488abe 2870 break;
fafbda9f 2871 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2872 qlt_24xx_process_atio_queue(vha);
2873 break;
fafbda9f 2874 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2875 qlt_24xx_process_atio_queue(vha);
2876 qla24xx_process_response_queue(vha, rsp);
2877 break;
a8488abe 2878 default:
7c3df132
SK		 2879 ql_dbg(ql_dbg_async, vha, 0x5051,
2880 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2881 break;
2882 }
2883 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2884 } while (0);
36439832 2885 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 2886 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 2887
a8488abe
AV		 2888 return IRQ_HANDLED;
2889}
2890
2891/* Interrupt handling helpers. */
2892
2893struct qla_init_msix_entry {
a8488abe 2894 const char *name;
476834c2 2895 irq_handler_t handler;
a8488abe
AV		 2896};
2897
68ca949c 2898static struct qla_init_msix_entry msix_entries[3] = {
2afa19a9
AC		 2899 { "qla2xxx (default)", qla24xx_msix_default },
2900 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
68ca949c 2901 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
a8488abe
AV		 2902};
2903
a9083016
GM		 2904static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2905 { "qla2xxx (default)", qla82xx_msix_default },
2906 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2907};
2908
aa230bc5
AE		 2909static struct qla_init_msix_entry qla83xx_msix_entries[3] = {
2910 { "qla2xxx (default)", qla24xx_msix_default },
2911 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
2912 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
2913};
2914
a8488abe 2915static void
e315cd28 2916qla24xx_disable_msix(struct qla_hw_data *ha)
a8488abe
AV		 2917{
2918 int i;
2919 struct qla_msix_entry *qentry;
7c3df132 2920 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe 2921
73208dfd
AC		 2922 for (i = 0; i < ha->msix_count; i++) {
2923 qentry = &ha->msix_entries[i];
a8488abe 2924 if (qentry->have_irq)
73208dfd 2925 free_irq(qentry->vector, qentry->rsp);
a8488abe
AV		 2926 }
2927 pci_disable_msix(ha->pdev);
73208dfd
AC		 2928 kfree(ha->msix_entries);
2929 ha->msix_entries = NULL;
2930 ha->flags.msix_enabled = 0;
7c3df132
SK		 2931 ql_dbg(ql_dbg_init, vha, 0x0042,
2932 "Disabled the MSI.\n");
a8488abe
AV		 2933}
2934
2935static int
73208dfd 2936qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 2937{
ad038fa8 2938#define MIN_MSIX_COUNT 2
f324777e 2939#define ATIO_VECTOR 2
a8488abe 2940 int i, ret;
73208dfd 2941 struct msix_entry *entries;
a8488abe 2942 struct qla_msix_entry *qentry;
7c3df132 2943 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2944
2945 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
a9083016 2946 GFP_KERNEL);
7c3df132
SK		 2947 if (!entries) {
2948 ql_log(ql_log_warn, vha, 0x00bc,
2949 "Failed to allocate memory for msix_entry.\n");
73208dfd 2950 return -ENOMEM;
7c3df132 2951 }
a8488abe 2952
73208dfd
AC		 2953 for (i = 0; i < ha->msix_count; i++)
2954 entries[i].entry = i;
a8488abe 2955
84e32a06
AG		 2956 ret = pci_enable_msix_range(ha->pdev,
2957 entries, MIN_MSIX_COUNT, ha->msix_count);
2958 if (ret < 0) {
2959 ql_log(ql_log_fatal, vha, 0x00c7,
2960 "MSI-X: Failed to enable support, "
2961 "giving up -- %d/%d.\n",
2962 ha->msix_count, ret);
2963 goto msix_out;
2964 } else if (ret < ha->msix_count) {
7c3df132
SK		 2965 ql_log(ql_log_warn, vha, 0x00c6,
2966 "MSI-X: Failed to enable support "
2967 "-- %d/%d\n Retry with %d vectors.\n",
2968 ha->msix_count, ret, ret);
73208dfd 2969 }
84e32a06
AG		 2970 ha->msix_count = ret;
2971 ha->max_rsp_queues = ha->msix_count - 1;
73208dfd
AC		 2972 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2973 ha->msix_count, GFP_KERNEL);
2974 if (!ha->msix_entries) {
7c3df132
SK		 2975 ql_log(ql_log_fatal, vha, 0x00c8,
2976 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 2977 ret = -ENOMEM;
a8488abe
AV		 2978 goto msix_out;
2979 }
2980 ha->flags.msix_enabled = 1;
2981
73208dfd
AC		 2982 for (i = 0; i < ha->msix_count; i++) {
2983 qentry = &ha->msix_entries[i];
2984 qentry->vector = entries[i].vector;
2985 qentry->entry = entries[i].entry;
a8488abe 2986 qentry->have_irq = 0;
73208dfd 2987 qentry->rsp = NULL;
a8488abe
AV		 2988 }
2989
2afa19a9 2990 /* Enable MSI-X vectors for the base queue */
f324777e 2991 for (i = 0; i < 2; i++) {
2afa19a9 2992 qentry = &ha->msix_entries[i];
f324777e 2993 if (IS_P3P_TYPE(ha))
a9083016
GM		 2994 ret = request_irq(qentry->vector,
2995 qla82xx_msix_entries[i].handler,
2996 0, qla82xx_msix_entries[i].name, rsp);
f324777e 2997 else
a9083016
GM		 2998 ret = request_irq(qentry->vector,
2999 msix_entries[i].handler,
3000 0, msix_entries[i].name, rsp);
f324777e
CD		 3001 if (ret)
3002 goto msix_register_fail;
3003 qentry->have_irq = 1;
3004 qentry->rsp = rsp;
3005 rsp->msix = qentry;
3006 }
3007
3008 /*
3009 * If target mode is enable, also request the vector for the ATIO
3010 * queue.
3011 */
3012 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3013 qentry = &ha->msix_entries[ATIO_VECTOR];
3014 ret = request_irq(qentry->vector,
3015 qla83xx_msix_entries[ATIO_VECTOR].handler,
3016 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
2afa19a9
AC		 3017 qentry->have_irq = 1;
3018 qentry->rsp = rsp;
3019 rsp->msix = qentry;
73208dfd 3020 }
73208dfd 3021
f324777e
CD		 3022msix_register_fail:
3023 if (ret) {
3024 ql_log(ql_log_fatal, vha, 0x00cb,
3025 "MSI-X: unable to register handler -- %x/%d.\n",
3026 qentry->vector, ret);
3027 qla24xx_disable_msix(ha);
3028 ha->mqenable = 0;
3029 goto msix_out;
3030 }
3031
73208dfd 3032 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 3033 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1
GM		 3034 if (ha->msixbase && ha->mqiobase &&
3035 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3036 ha->mqenable = 1;
3037 } else
3038 if (ha->mqiobase
3039 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3040 ha->mqenable = 1;
7c3df132
SK		 3041 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3042 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3043 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3044 ql_dbg(ql_dbg_init, vha, 0x0055,
3045 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3046 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3047
a8488abe 3048msix_out:
73208dfd 3049 kfree(entries);
a8488abe
AV		 3050 return ret;
3051}
3052
3053int
73208dfd 3054qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3055{
7fa3e239 3056 int ret = QLA_FUNCTION_FAILED;
f73cb695 3057 device_reg_t *reg = ha->iobase;
7c3df132 3058 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3059
3060 /* If possible, enable MSI-X. */
6246b8a1 3061 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3062 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3063 !IS_QLA27XX(ha))
6377a7ae
BH		 3064 goto skip_msi;
3065
3066 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3067 (ha->pdev->subsystem_device == 0x7040 ||
3068 ha->pdev->subsystem_device == 0x7041 ||
3069 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3070 ql_log(ql_log_warn, vha, 0x0034,
3071 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3072 ha->pdev->subsystem_vendor,
7c3df132 3073 ha->pdev->subsystem_device);
6377a7ae
BH		 3074 goto skip_msi;
3075 }
a8488abe 3076
42cd4f5d 3077 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3078 ql_log(ql_log_warn, vha, 0x0035,
3079 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3080 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3081 goto skip_msix;
3082 }
3083
73208dfd 3084 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3085 if (!ret) {
7c3df132
SK		 3086 ql_dbg(ql_dbg_init, vha, 0x0036,
3087 "MSI-X: Enabled (0x%X, 0x%X).\n",
3088 ha->chip_revision, ha->fw_attributes);
963b0fdd 3089 goto clear_risc_ints;
a8488abe 3090 }
7fa3e239 3091
a8488abe 3092skip_msix:
cbedb601 3093
7fa3e239
SC		 3094 ql_log(ql_log_info, vha, 0x0037,
3095 "Falling back-to MSI mode -%d.\n", ret);
3096
3a03eb79 3097 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3098 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3099 !IS_QLA27XX(ha))
cbedb601
AV		 3100 goto skip_msi;
3101
3102 ret = pci_enable_msi(ha->pdev);
3103 if (!ret) {
7c3df132
SK		 3104 ql_dbg(ql_dbg_init, vha, 0x0038,
3105 "MSI: Enabled.\n");
cbedb601 3106 ha->flags.msi_enabled = 1;
a9083016 3107 } else
7c3df132 3108 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3109 "Falling back-to INTa mode -- %d.\n", ret);
3110skip_msi:
a033b655
GM		 3111
3112 /* Skip INTx on ISP82xx. */
3113 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3114 return QLA_FUNCTION_FAILED;
3115
fd34f556 3116 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3117 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3118 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3119 if (ret) {
7c3df132 3120 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3121 "Failed to reserve interrupt %d already in use.\n",
3122 ha->pdev->irq);
963b0fdd 3123 goto fail;
8ae6d9c7 3124 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3125 ql_dbg(ql_dbg_init, vha, 0x0125,
3126 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3127 ha->flags.mr_intr_valid = 1;
3128 }
7992abfc 3129
963b0fdd 3130clear_risc_ints:
4bb2efc4
JC		 3131 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3132 goto fail;
963b0fdd 3133
c6952483 3134 spin_lock_irq(&ha->hardware_lock);
4bb2efc4 3135 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3136 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3137
963b0fdd 3138fail:
a8488abe
AV		 3139 return ret;
3140}
3141
3142void
e315cd28 3143qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3144{
e315cd28 3145 struct qla_hw_data *ha = vha->hw;
9a347ff4
CD		 3146 struct rsp_que *rsp;
3147
3148 /*
3149 * We need to check that ha->rsp_q_map is valid in case we are called
3150 * from a probe failure context.
3151 */
3152 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3153 return;
3154 rsp = ha->rsp_q_map[0];
a8488abe
AV		 3155
3156 if (ha->flags.msix_enabled)
3157 qla24xx_disable_msix(ha);
90a86fc0 3158 else if (ha->flags.msi_enabled) {
e315cd28 3159 free_irq(ha->pdev->irq, rsp);
cbedb601 3160 pci_disable_msi(ha->pdev);
90a86fc0
JC		 3161 } else
3162 free_irq(ha->pdev->irq, rsp);
a8488abe 3163}
e315cd28 3164
73208dfd
AC		 3165
3166int qla25xx_request_irq(struct rsp_que *rsp)
3167{
3168 struct qla_hw_data *ha = rsp->hw;
2afa19a9 3169 struct qla_init_msix_entry *intr = &msix_entries[2];
73208dfd 3170 struct qla_msix_entry *msix = rsp->msix;
7c3df132 3171 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3172 int ret;
3173
3174 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
3175 if (ret) {
7c3df132
SK		 3176 ql_log(ql_log_fatal, vha, 0x00e6,
3177 "MSI-X: Unable to register handler -- %x/%d.\n",
3178 msix->vector, ret);
73208dfd
AC		 3179 return ret;
3180 }
3181 msix->have_irq = 1;
3182 msix->rsp = rsp;
3183 return ret;
3184}
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