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[SCSI] qla2xxx: Correct the port no assignment for ISP82XX.
[mirror_ubuntu-jammy-kernel.git] / drivers / scsi / qla2xxx / qla_isr.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
1e63395c 3 * Copyright (c) 2003-2013 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);
f3ddac19
CD		 59 /* Check for PCI disconnection */
60 if (hccr == 0xffff) {
61 /*
62 * Schedule this on the default system workqueue so that
63 * all the adapter workqueues and the DPC thread can be
64 * shutdown cleanly.
65 */
66 schedule_work(&ha->board_disable);
67 break;
68 }
14e660e6
SJ		 69 if (hccr & HCCR_RISC_PAUSE) {
70 if (pci_channel_offline(ha->pdev))
71 break;
72
73 /*
74 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 75 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 76 * out of the RISC PAUSED state.
77 */
78 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
79 RD_REG_WORD(&reg->hccr);
80
e315cd28
AC		 81 ha->isp_ops->fw_dump(vha, 1);
82 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 83 break;
84 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 85 break;
86
87 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
88 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
89 RD_REG_WORD(&reg->hccr);
90
91 /* Get mailbox data. */
9a853f71
AV		 92 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
93 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 94 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 95 status |= MBX_INTERRUPT;
9a853f71
AV		 96 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
97 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
98 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
99 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 100 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 101 } else {
102 /*EMPTY*/
7c3df132
SK		 103 ql_dbg(ql_dbg_async, vha, 0x5025,
104 "Unrecognized interrupt type (%d).\n",
105 mb[0]);
1da177e4
LT		 106 }
107 /* Release mailbox registers. */
108 WRT_REG_WORD(&reg->semaphore, 0);
109 RD_REG_WORD(&reg->semaphore);
110 } else {
73208dfd 111 qla2x00_process_response_queue(rsp);
1da177e4
LT		 112
113 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
114 RD_REG_WORD(&reg->hccr);
115 }
116 }
36439832 117 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 118 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 119
1da177e4
LT		 120 return (IRQ_HANDLED);
121}
122
f3ddac19
CD		 123bool
124qla2x00_check_reg_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
125{
126 /* Check for PCI disconnection */
127 if (reg == 0xffffffff) {
128 /*
129 * Schedule this on the default system workqueue so that all the
130 * adapter workqueues and the DPC thread can be shutdown
131 * cleanly.
132 */
133 schedule_work(&vha->hw->board_disable);
134 return true;
135 } else
136 return false;
137}
138
1da177e4
LT		 139/**
140 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
141 * @irq:
142 * @dev_id: SCSI driver HA context
1da177e4
LT		 143 *
144 * Called by system whenever the host adapter generates an interrupt.
145 *
146 * Returns handled flag.
147 */
148irqreturn_t
7d12e780 149qla2300_intr_handler(int irq, void *dev_id)
1da177e4 150{
e315cd28 151 scsi_qla_host_t *vha;
3d71644c 152 struct device_reg_2xxx __iomem *reg;
1da177e4 153 int status;
1da177e4
LT		 154 unsigned long iter;
155 uint32_t stat;
1da177e4 156 uint16_t hccr;
9a853f71 157 uint16_t mb[4];
e315cd28
AC		 158 struct rsp_que *rsp;
159 struct qla_hw_data *ha;
43fac4d9 160 unsigned long flags;
1da177e4 161
e315cd28
AC		 162 rsp = (struct rsp_que *) dev_id;
163 if (!rsp) {
3256b435
CD		 164 ql_log(ql_log_info, NULL, 0x5058,
165 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 166 return (IRQ_NONE);
167 }
168
e315cd28 169 ha = rsp->hw;
3d71644c 170 reg = &ha->iobase->isp;
1da177e4
LT		 171 status = 0;
172
43fac4d9 173 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 174 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 175 for (iter = 50; iter--; ) {
176 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
f3ddac19
CD		 177 if (qla2x00_check_reg_for_disconnect(vha, stat))
178 break;
1da177e4 179 if (stat & HSR_RISC_PAUSED) {
85880801 180 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 181 break;
182
1da177e4 183 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 184
1da177e4 185 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 186 ql_log(ql_log_warn, vha, 0x5026,
187 "Parity error -- HCCR=%x, Dumping "
188 "firmware.\n", hccr);
1da177e4 189 else
7c3df132
SK		 190 ql_log(ql_log_warn, vha, 0x5027,
191 "RISC paused -- HCCR=%x, Dumping "
192 "firmware.\n", hccr);
1da177e4
LT		 193
194 /*
195 * Issue a "HARD" reset in order for the RISC
196 * interrupt bit to be cleared. Schedule a big
a06a0f8e 197 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 198 */
199 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
200 RD_REG_WORD(&reg->hccr);
07f31805 201
e315cd28
AC		 202 ha->isp_ops->fw_dump(vha, 1);
203 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 204 break;
205 } else if ((stat & HSR_RISC_INT) == 0)
206 break;
207
1da177e4 208 switch (stat & 0xff) {
1da177e4
LT		 209 case 0x1:
210 case 0x2:
211 case 0x10:
212 case 0x11:
e315cd28 213 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 214 status |= MBX_INTERRUPT;
215
216 /* Release mailbox registers. */
217 WRT_REG_WORD(&reg->semaphore, 0);
218 break;
219 case 0x12:
9a853f71
AV		 220 mb[0] = MSW(stat);
221 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
222 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
223 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 224 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 225 break;
226 case 0x13:
73208dfd 227 qla2x00_process_response_queue(rsp);
1da177e4
LT		 228 break;
229 case 0x15:
9a853f71
AV		 230 mb[0] = MBA_CMPLT_1_16BIT;
231 mb[1] = MSW(stat);
73208dfd 232 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 233 break;
234 case 0x16:
9a853f71
AV		 235 mb[0] = MBA_SCSI_COMPLETION;
236 mb[1] = MSW(stat);
237 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 238 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 239 break;
240 default:
7c3df132
SK		 241 ql_dbg(ql_dbg_async, vha, 0x5028,
242 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 243 break;
244 }
245 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
246 RD_REG_WORD_RELAXED(&reg->hccr);
247 }
36439832 248 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 249 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 250
1da177e4
LT		 251 return (IRQ_HANDLED);
252}
253
254/**
255 * qla2x00_mbx_completion() - Process mailbox command completions.
256 * @ha: SCSI driver HA context
257 * @mb0: Mailbox0 register
258 */
259static void
e315cd28 260qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 261{
262 uint16_t cnt;
4fa94f83 263 uint32_t mboxes;
1da177e4 264 uint16_t __iomem *wptr;
e315cd28 265 struct qla_hw_data *ha = vha->hw;
3d71644c 266 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 267
4fa94f83
AV		 268 /* Read all mbox registers? */
269 mboxes = (1 << ha->mbx_count) - 1;
270 if (!ha->mcp)
a720101d 271 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 272 else
273 mboxes = ha->mcp->in_mb;
274
1da177e4
LT		 275 /* Load return mailbox registers. */
276 ha->flags.mbox_int = 1;
277 ha->mailbox_out[0] = mb0;
4fa94f83 278 mboxes >>= 1;
1da177e4
LT		 279 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
280
281 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 282 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 283 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 284 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 285 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 286 else if (mboxes & BIT_0)
1da177e4 287 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 288
1da177e4 289 wptr++;
4fa94f83 290 mboxes >>= 1;
1da177e4 291 }
1da177e4
LT		 292}
293
8a659571
AV		 294static void
295qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
296{
297 static char *event[] =
298 { "Complete", "Request Notification", "Time Extension" };
299 int rval;
300 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 301 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 302 uint16_t __iomem *wptr;
303 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
304
305 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 306 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
307 wptr = (uint16_t __iomem *)&reg24->mailbox1;
308 else if (IS_QLA8044(vha->hw))
309 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
310 else
311 return;
312
8a659571
AV		 313 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
314 mb[cnt] = RD_REG_WORD(wptr);
315
7c3df132 316 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 317 "Inter-Driver Communication %s -- "
7c3df132
SK		 318 "%04x %04x %04x %04x %04x %04x %04x.\n",
319 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
320 mb[4], mb[5], mb[6]);
454073c9
SV		 321 switch (aen) {
322 /* Handle IDC Error completion case. */
323 case MBA_IDC_COMPLETE:
324 if (mb[1] >> 15) {
325 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 326 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 327 complete(&vha->hw->dcbx_comp);
328 }
329 break;
330
331 case MBA_IDC_NOTIFY:
332 /* Acknowledgement needed? [Notify && non-zero timeout]. */
333 timeout = (descr >> 8) & 0xf;
334 ql_dbg(ql_dbg_async, vha, 0x5022,
335 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
336 vha->host_no, event[aen & 0xff], timeout);
337
338 if (!timeout)
339 return;
340 rval = qla2x00_post_idc_ack_work(vha, mb);
341 if (rval != QLA_SUCCESS)
342 ql_log(ql_log_warn, vha, 0x5023,
343 "IDC failed to post ACK.\n");
344 break;
345 case MBA_IDC_TIME_EXT:
346 vha->hw->idc_extend_tmo = descr;
347 ql_dbg(ql_dbg_async, vha, 0x5087,
348 "%lu Inter-Driver Communication %s -- "
349 "Extend timeout by=%d.\n",
350 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
351 break;
bf5b8ad7 352 }
8a659571
AV		 353}
354
daae62a3 355#define LS_UNKNOWN 2
d0297c9a
JC		 356const char *
357qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 358{
f73cb695
CD		 359 static const char *const link_speeds[] = {
360 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 361 };
f73cb695 362#define QLA_LAST_SPEED 7
daae62a3
CD		 363
364 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 365 return link_speeds[0];
366 else if (speed == 0x13)
f73cb695
CD		 367 return link_speeds[QLA_LAST_SPEED];
368 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 369 return link_speeds[speed];
370 else
371 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 372}
373
fa492630 374static void
7d613ac6
SV		 375qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
376{
377 struct qla_hw_data *ha = vha->hw;
378
379 /*
380 * 8200 AEN Interpretation:
381 * mb[0] = AEN code
382 * mb[1] = AEN Reason code
383 * mb[2] = LSW of Peg-Halt Status-1 Register
384 * mb[6] = MSW of Peg-Halt Status-1 Register
385 * mb[3] = LSW of Peg-Halt Status-2 register
386 * mb[7] = MSW of Peg-Halt Status-2 register
387 * mb[4] = IDC Device-State Register value
388 * mb[5] = IDC Driver-Presence Register value
389 */
390 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
391 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
392 mb[0], mb[1], mb[2], mb[6]);
393 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
394 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
395 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
396
397 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
398 IDC_HEARTBEAT_FAILURE)) {
399 ha->flags.nic_core_hung = 1;
400 ql_log(ql_log_warn, vha, 0x5060,
401 "83XX: F/W Error Reported: Check if reset required.\n");
402
403 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
404 uint32_t protocol_engine_id, fw_err_code, err_level;
405
406 /*
407 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
408 * - PEG-Halt Status-1 Register:
409 * (LSW = mb[2], MSW = mb[6])
410 * Bits 0-7 = protocol-engine ID
411 * Bits 8-28 = f/w error code
412 * Bits 29-31 = Error-level
413 * Error-level 0x1 = Non-Fatal error
414 * Error-level 0x2 = Recoverable Fatal error
415 * Error-level 0x4 = UnRecoverable Fatal error
416 * - PEG-Halt Status-2 Register:
417 * (LSW = mb[3], MSW = mb[7])
418 */
419 protocol_engine_id = (mb[2] & 0xff);
420 fw_err_code = (((mb[2] & 0xff00) >> 8) |
421 ((mb[6] & 0x1fff) << 8));
422 err_level = ((mb[6] & 0xe000) >> 13);
423 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
424 "Register: protocol_engine_id=0x%x "
425 "fw_err_code=0x%x err_level=0x%x.\n",
426 protocol_engine_id, fw_err_code, err_level);
427 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
428 "Register: 0x%x%x.\n", mb[7], mb[3]);
429 if (err_level == ERR_LEVEL_NON_FATAL) {
430 ql_log(ql_log_warn, vha, 0x5063,
431 "Not a fatal error, f/w has recovered "
432 "iteself.\n");
433 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
434 ql_log(ql_log_fatal, vha, 0x5064,
435 "Recoverable Fatal error: Chip reset "
436 "required.\n");
437 qla83xx_schedule_work(vha,
438 QLA83XX_NIC_CORE_RESET);
439 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5065,
441 "Unrecoverable Fatal error: Set FAILED "
442 "state, reboot required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_UNRECOVERABLE);
445 }
446 }
447
448 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
449 uint16_t peg_fw_state, nw_interface_link_up;
450 uint16_t nw_interface_signal_detect, sfp_status;
451 uint16_t htbt_counter, htbt_monitor_enable;
452 uint16_t sfp_additonal_info, sfp_multirate;
453 uint16_t sfp_tx_fault, link_speed, dcbx_status;
454
455 /*
456 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
457 * - PEG-to-FC Status Register:
458 * (LSW = mb[2], MSW = mb[6])
459 * Bits 0-7 = Peg-Firmware state
460 * Bit 8 = N/W Interface Link-up
461 * Bit 9 = N/W Interface signal detected
462 * Bits 10-11 = SFP Status
463 * SFP Status 0x0 = SFP+ transceiver not expected
464 * SFP Status 0x1 = SFP+ transceiver not present
465 * SFP Status 0x2 = SFP+ transceiver invalid
466 * SFP Status 0x3 = SFP+ transceiver present and
467 * valid
468 * Bits 12-14 = Heartbeat Counter
469 * Bit 15 = Heartbeat Monitor Enable
470 * Bits 16-17 = SFP Additional Info
471 * SFP info 0x0 = Unregocnized transceiver for
472 * Ethernet
473 * SFP info 0x1 = SFP+ brand validation failed
474 * SFP info 0x2 = SFP+ speed validation failed
475 * SFP info 0x3 = SFP+ access error
476 * Bit 18 = SFP Multirate
477 * Bit 19 = SFP Tx Fault
478 * Bits 20-22 = Link Speed
479 * Bits 23-27 = Reserved
480 * Bits 28-30 = DCBX Status
481 * DCBX Status 0x0 = DCBX Disabled
482 * DCBX Status 0x1 = DCBX Enabled
483 * DCBX Status 0x2 = DCBX Exchange error
484 * Bit 31 = Reserved
485 */
486 peg_fw_state = (mb[2] & 0x00ff);
487 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
488 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
489 sfp_status = ((mb[2] & 0x0c00) >> 10);
490 htbt_counter = ((mb[2] & 0x7000) >> 12);
491 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
492 sfp_additonal_info = (mb[6] & 0x0003);
493 sfp_multirate = ((mb[6] & 0x0004) >> 2);
494 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
495 link_speed = ((mb[6] & 0x0070) >> 4);
496 dcbx_status = ((mb[6] & 0x7000) >> 12);
497
498 ql_log(ql_log_warn, vha, 0x5066,
499 "Peg-to-Fc Status Register:\n"
500 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
501 "nw_interface_signal_detect=0x%x"
502 "\nsfp_statis=0x%x.\n ", peg_fw_state,
503 nw_interface_link_up, nw_interface_signal_detect,
504 sfp_status);
505 ql_log(ql_log_warn, vha, 0x5067,
506 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
507 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
508 htbt_counter, htbt_monitor_enable,
509 sfp_additonal_info, sfp_multirate);
510 ql_log(ql_log_warn, vha, 0x5068,
511 "sfp_tx_fault=0x%x, link_state=0x%x, "
512 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
513 dcbx_status);
514
515 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
516 }
517
518 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
519 ql_log(ql_log_warn, vha, 0x5069,
520 "Heartbeat Failure encountered, chip reset "
521 "required.\n");
522
523 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
524 }
525 }
526
527 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
528 ql_log(ql_log_info, vha, 0x506a,
529 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 530 if (ha->flags.nic_core_reset_owner)
531 return;
7d613ac6
SV		 532 qla83xx_schedule_work(vha, MBA_IDC_AEN);
533 }
534}
535
bb4cf5b7
CD		 536int
537qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
538{
539 struct qla_hw_data *ha = vha->hw;
540 scsi_qla_host_t *vp;
541 uint32_t vp_did;
542 unsigned long flags;
543 int ret = 0;
544
545 if (!ha->num_vhosts)
546 return ret;
547
548 spin_lock_irqsave(&ha->vport_slock, flags);
549 list_for_each_entry(vp, &ha->vp_list, list) {
550 vp_did = vp->d_id.b24;
551 if (vp_did == rscn_entry) {
552 ret = 1;
553 break;
554 }
555 }
556 spin_unlock_irqrestore(&ha->vport_slock, flags);
557
558 return ret;
559}
560
1da177e4
LT		 561/**
562 * qla2x00_async_event() - Process aynchronous events.
563 * @ha: SCSI driver HA context
9a853f71 564 * @mb: Mailbox registers (0 - 3)
1da177e4 565 */
2c3dfe3f 566void
73208dfd 567qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 568{
1da177e4 569 uint16_t handle_cnt;
bdab23da 570 uint16_t cnt, mbx;
1da177e4 571 uint32_t handles[5];
e315cd28 572 struct qla_hw_data *ha = vha->hw;
3d71644c 573 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 574 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 575 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1da177e4 576 uint32_t rscn_entry, host_pid;
4d4df193 577 unsigned long flags;
1da177e4
LT		 578
579 /* Setup to process RIO completion. */
580 handle_cnt = 0;
6246b8a1 581 if (IS_CNA_CAPABLE(ha))
3a03eb79 582 goto skip_rio;
1da177e4
LT		 583 switch (mb[0]) {
584 case MBA_SCSI_COMPLETION:
9a853f71 585 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 586 handle_cnt = 1;
587 break;
588 case MBA_CMPLT_1_16BIT:
9a853f71 589 handles[0] = mb[1];
1da177e4
LT		 590 handle_cnt = 1;
591 mb[0] = MBA_SCSI_COMPLETION;
592 break;
593 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 594 handles[0] = mb[1];
595 handles[1] = mb[2];
1da177e4
LT		 596 handle_cnt = 2;
597 mb[0] = MBA_SCSI_COMPLETION;
598 break;
599 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 600 handles[0] = mb[1];
601 handles[1] = mb[2];
602 handles[2] = mb[3];
1da177e4
LT		 603 handle_cnt = 3;
604 mb[0] = MBA_SCSI_COMPLETION;
605 break;
606 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 607 handles[0] = mb[1];
608 handles[1] = mb[2];
609 handles[2] = mb[3];
1da177e4
LT		 610 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
611 handle_cnt = 4;
612 mb[0] = MBA_SCSI_COMPLETION;
613 break;
614 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 615 handles[0] = mb[1];
616 handles[1] = mb[2];
617 handles[2] = mb[3];
1da177e4
LT		 618 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
619 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
620 handle_cnt = 5;
621 mb[0] = MBA_SCSI_COMPLETION;
622 break;
623 case MBA_CMPLT_2_32BIT:
9a853f71 624 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 625 handles[1] = le32_to_cpu(
626 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
627 RD_MAILBOX_REG(ha, reg, 6));
628 handle_cnt = 2;
629 mb[0] = MBA_SCSI_COMPLETION;
630 break;
631 default:
632 break;
633 }
3a03eb79 634skip_rio:
1da177e4
LT		 635 switch (mb[0]) {
636 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 637 if (!vha->flags.online)
1da177e4
LT		 638 break;
639
640 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 641 qla2x00_process_completed_request(vha, rsp->req,
642 handles[cnt]);
1da177e4
LT		 643 break;
644
645 case MBA_RESET: /* Reset */
7c3df132
SK		 646 ql_dbg(ql_dbg_async, vha, 0x5002,
647 "Asynchronous RESET.\n");
1da177e4 648
e315cd28 649 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 650 break;
651
652 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 653 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 654 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 655 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 656 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
657 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 658
e315cd28 659 ha->isp_ops->fw_dump(vha, 1);
1da177e4 660
e428924c 661 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 662 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 663 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 664 "Unrecoverable Hardware Error: adapter "
665 "marked OFFLINE!\n");
e315cd28 666 vha->flags.online = 0;
6246b8a1 667 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 668 } else {
25985edc 669 /* Check to see if MPI timeout occurred */
f73cb695 670 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 671 set_bit(MPI_RESET_NEEDED,
672 &vha->dpc_flags);
673
e315cd28 674 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 675 }
9a853f71 676 } else if (mb[1] == 0) {
7c3df132 677 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 678 "Unrecoverable Hardware Error: adapter marked "
679 "OFFLINE!\n");
e315cd28 680 vha->flags.online = 0;
6246b8a1 681 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 682 } else
e315cd28 683 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 684 break;
685
686 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 687 ql_log(ql_log_warn, vha, 0x5006,
688 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 689
e315cd28 690 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 691 break;
692
693 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132
SK		 694 ql_log(ql_log_warn, vha, 0x5007,
695 "ISP Response Transfer Error.\n");
1da177e4 696
e315cd28 697 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 698 break;
699
700 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132
SK		 701 ql_dbg(ql_dbg_async, vha, 0x5008,
702 "Asynchronous WAKEUP_THRES.\n");
1da177e4 703
2d70c103 704 break;
1da177e4 705 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 706 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 707 "LIP occurred (%x).\n", mb[1]);
1da177e4 708
e315cd28
AC		 709 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
710 atomic_set(&vha->loop_state, LOOP_DOWN);
711 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
712 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 713 }
714
e315cd28
AC		 715 if (vha->vp_idx) {
716 atomic_set(&vha->vp_state, VP_FAILED);
717 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 718 }
719
e315cd28
AC		 720 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
721 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 722
e315cd28
AC		 723 vha->flags.management_server_logged_in = 0;
724 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 725 break;
726
727 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 728 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 729 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 730 else
1da177e4 731 ha->link_data_rate = mb[1];
1da177e4 732
cfb0919c 733 ql_dbg(ql_dbg_async, vha, 0x500a,
daae62a3 734 "LOOP UP detected (%s Gbps).\n",
d0297c9a 735 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 736
e315cd28
AC		 737 vha->flags.management_server_logged_in = 0;
738 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 739 break;
740
741 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 742 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
743 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 744 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
745 : mbx;
cfb0919c 746 ql_dbg(ql_dbg_async, vha, 0x500b,
7c3df132
SK		 747 "LOOP DOWN detected (%x %x %x %x).\n",
748 mb[1], mb[2], mb[3], mbx);
1da177e4 749
e315cd28
AC		 750 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
751 atomic_set(&vha->loop_state, LOOP_DOWN);
752 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
753 vha->device_flags |= DFLG_NO_CABLE;
754 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 755 }
756
e315cd28
AC		 757 if (vha->vp_idx) {
758 atomic_set(&vha->vp_state, VP_FAILED);
759 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 760 }
761
e315cd28 762 vha->flags.management_server_logged_in = 0;
d8b45213 763 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 764 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 765 break;
766
767 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 768 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 769 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 770
e315cd28
AC		 771 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
772 atomic_set(&vha->loop_state, LOOP_DOWN);
773 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
774 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 775 }
776
e315cd28
AC		 777 if (vha->vp_idx) {
778 atomic_set(&vha->vp_state, VP_FAILED);
779 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 780 }
781
e315cd28 782 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 783
784 ha->operating_mode = LOOP;
e315cd28
AC		 785 vha->flags.management_server_logged_in = 0;
786 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 787 break;
788
3a03eb79 789 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 790 case MBA_POINT_TO_POINT: /* Point-to-Point */
791 if (IS_QLA2100(ha))
792 break;
793
7ec0effd 794 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 795 ql_dbg(ql_dbg_async, vha, 0x500d,
796 "DCBX Completed -- %04x %04x %04x.\n",
797 mb[1], mb[2], mb[3]);
9aaf2cea 798 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 799 complete(&ha->dcbx_comp);
800
801 } else
7c3df132
SK		 802 ql_dbg(ql_dbg_async, vha, 0x500e,
803 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 804
805 /*
806 * Until there's a transition from loop down to loop up, treat
807 * this as loop down only.
808 */
e315cd28
AC		 809 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
810 atomic_set(&vha->loop_state, LOOP_DOWN);
811 if (!atomic_read(&vha->loop_down_timer))
812 atomic_set(&vha->loop_down_timer,
1da177e4 813 LOOP_DOWN_TIME);
e315cd28 814 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 815 }
816
e315cd28
AC		 817 if (vha->vp_idx) {
818 atomic_set(&vha->vp_state, VP_FAILED);
819 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 820 }
821
e315cd28
AC		 822 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
823 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
824
825 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
826 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 827
828 ha->flags.gpsc_supported = 1;
e315cd28 829 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 830 break;
831
832 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
833 if (IS_QLA2100(ha))
834 break;
835
cfb0919c 836 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 837 "Configuration change detected: value=%x.\n", mb[1]);
838
e315cd28
AC		 839 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
840 atomic_set(&vha->loop_state, LOOP_DOWN);
841 if (!atomic_read(&vha->loop_down_timer))
842 atomic_set(&vha->loop_down_timer,
1da177e4 843 LOOP_DOWN_TIME);
e315cd28 844 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 845 }
846
e315cd28
AC		 847 if (vha->vp_idx) {
848 atomic_set(&vha->vp_state, VP_FAILED);
849 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 850 }
851
e315cd28
AC		 852 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
853 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 854 break;
855
856 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 857 /*
858 * Handle only global and vn-port update events
859 *
860 * Relevant inputs:
861 * mb[1] = N_Port handle of changed port
862 * OR 0xffff for global event
863 * mb[2] = New login state
864 * 7 = Port logged out
865 * mb[3] = LSB is vp_idx, 0xff = all vps
866 *
867 * Skip processing if:
868 * Event is global, vp_idx is NOT all vps,
869 * vp_idx does not match
870 * Event is not global, vp_idx does not match
871 */
12cec63e
AV		 872 if (IS_QLA2XXX_MIDTYPE(ha) &&
873 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
874 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
875 break;
73208dfd 876
9764ff88
AV		 877 /* Global event -- port logout or port unavailable. */
878 if (mb[1] == 0xffff && mb[2] == 0x7) {
7c3df132
SK		 879 ql_dbg(ql_dbg_async, vha, 0x5010,
880 "Port unavailable %04x %04x %04x.\n",
881 mb[1], mb[2], mb[3]);
daae62a3
CD		 882 ql_log(ql_log_warn, vha, 0x505e,
883 "Link is offline.\n");
9764ff88
AV		 884
885 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
886 atomic_set(&vha->loop_state, LOOP_DOWN);
887 atomic_set(&vha->loop_down_timer,
888 LOOP_DOWN_TIME);
889 vha->device_flags |= DFLG_NO_CABLE;
890 qla2x00_mark_all_devices_lost(vha, 1);
891 }
892
893 if (vha->vp_idx) {
894 atomic_set(&vha->vp_state, VP_FAILED);
895 fc_vport_set_state(vha->fc_vport,
896 FC_VPORT_FAILED);
faadc5e7 897 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 898 }
899
900 vha->flags.management_server_logged_in = 0;
901 ha->link_data_rate = PORT_SPEED_UNKNOWN;
902 break;
903 }
904
1da177e4 905 /*
cc3ef7bc 906 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 907 * event etc. earlier indicating loop is down) then process
908 * it. Otherwise ignore it and Wait for RSCN to come in.
909 */
e315cd28 910 atomic_set(&vha->loop_down_timer, 0);
79cc785f 911 if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) {
7c3df132
SK		 912 ql_dbg(ql_dbg_async, vha, 0x5011,
913 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
914 mb[1], mb[2], mb[3]);
2d70c103
NB		 915
916 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 917 break;
918 }
919
7c3df132
SK		 920 ql_dbg(ql_dbg_async, vha, 0x5012,
921 "Port database changed %04x %04x %04x.\n",
922 mb[1], mb[2], mb[3]);
daae62a3
CD		 923 ql_log(ql_log_warn, vha, 0x505f,
924 "Link is operational (%s Gbps).\n",
d0297c9a 925 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4
LT		 926
927 /*
928 * Mark all devices as missing so we will login again.
929 */
e315cd28 930 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 931
e315cd28 932 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 933
2d70c103
NB		 934 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
935 set_bit(SCR_PENDING, &vha->dpc_flags);
936
e315cd28
AC		 937 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
938 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2d70c103
NB		 939
940 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 941 break;
942
943 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 944 /* Check if the Vport has issued a SCR */
e315cd28 945 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 946 break;
947 /* Only handle SCNs for our Vport index. */
0d6e61bc 948 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 949 break;
0d6e61bc 950
7c3df132
SK		 951 ql_dbg(ql_dbg_async, vha, 0x5013,
952 "RSCN database changed -- %04x %04x %04x.\n",
953 mb[1], mb[2], mb[3]);
1da177e4 954
59d72d87 955 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 956 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
957 | vha->d_id.b.al_pa;
1da177e4 958 if (rscn_entry == host_pid) {
7c3df132
SK		 959 ql_dbg(ql_dbg_async, vha, 0x5014,
960 "Ignoring RSCN update to local host "
961 "port ID (%06x).\n", host_pid);
1da177e4
LT		 962 break;
963 }
964
59d72d87
RA		 965 /* Ignore reserved bits from RSCN-payload. */
966 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 967
bb4cf5b7
CD		 968 /* Skip RSCNs for virtual ports on the same physical port */
969 if (qla2x00_is_a_vp_did(vha, rscn_entry))
970 break;
971
e315cd28
AC		 972 atomic_set(&vha->loop_down_timer, 0);
973 vha->flags.management_server_logged_in = 0;
1da177e4 974
e315cd28
AC		 975 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
976 set_bit(RSCN_UPDATE, &vha->dpc_flags);
977 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 978 break;
979
980 /* case MBA_RIO_RESPONSE: */
981 case MBA_ZIO_RESPONSE:
7c3df132
SK		 982 ql_dbg(ql_dbg_async, vha, 0x5015,
983 "[R|Z]IO update completion.\n");
1da177e4 984
e428924c 985 if (IS_FWI2_CAPABLE(ha))
2afa19a9 986 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 987 else
73208dfd 988 qla2x00_process_response_queue(rsp);
1da177e4 989 break;
9a853f71
AV		 990
991 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 992 ql_dbg(ql_dbg_async, vha, 0x5016,
993 "Discard RND Frame -- %04x %04x %04x.\n",
994 mb[1], mb[2], mb[3]);
9a853f71 995 break;
45ebeb56
AV		 996
997 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 998 ql_dbg(ql_dbg_async, vha, 0x5017,
999 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1000 break;
4d4df193
HK		 1001
1002 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1003 ql_dbg(ql_dbg_async, vha, 0x5018,
1004 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1005 mb[1], mb[2], mb[3]);
4d4df193
HK		 1006
1007 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1008 switch (mb[1]) {
1009 case A84_PANIC_RECOVERY:
7c3df132
SK		 1010 ql_log(ql_log_info, vha, 0x5019,
1011 "Alert 84XX: panic recovery %04x %04x.\n",
1012 mb[2], mb[3]);
4d4df193
HK		 1013 break;
1014 case A84_OP_LOGIN_COMPLETE:
1015 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1016 ql_log(ql_log_info, vha, 0x501a,
1017 "Alert 84XX: firmware version %x.\n",
1018 ha->cs84xx->op_fw_version);
4d4df193
HK		 1019 break;
1020 case A84_DIAG_LOGIN_COMPLETE:
1021 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1022 ql_log(ql_log_info, vha, 0x501b,
1023 "Alert 84XX: diagnostic firmware version %x.\n",
1024 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1025 break;
1026 case A84_GOLD_LOGIN_COMPLETE:
1027 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1028 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1029 ql_log(ql_log_info, vha, 0x501c,
1030 "Alert 84XX: gold firmware version %x.\n",
1031 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1032 break;
1033 default:
7c3df132
SK		 1034 ql_log(ql_log_warn, vha, 0x501d,
1035 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1036 mb[1], mb[2], mb[3]);
1037 }
1038 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1039 break;
3a03eb79 1040 case MBA_DCBX_START:
7c3df132
SK		 1041 ql_dbg(ql_dbg_async, vha, 0x501e,
1042 "DCBX Started -- %04x %04x %04x.\n",
1043 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1044 break;
1045 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1046 ql_dbg(ql_dbg_async, vha, 0x501f,
1047 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1048 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1049 break;
1050 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1051 ql_dbg(ql_dbg_async, vha, 0x5020,
1052 "FCF Configuration Error -- %04x %04x %04x.\n",
1053 mb[1], mb[2], mb[3]);
3a03eb79 1054 break;
3a03eb79 1055 case MBA_IDC_NOTIFY:
7ec0effd 1056 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1057 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1058 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1059 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1060 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1061 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1062 /*
1063 * Extend loop down timer since port is active.
1064 */
1065 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1066 atomic_set(&vha->loop_down_timer,
1067 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1068 qla2xxx_wake_dpc(vha);
1069 }
67b2a31f 1070 }
8fcd6b8b 1071 case MBA_IDC_COMPLETE:
9aaf2cea 1072 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1073 complete(&ha->lb_portup_comp);
1074 /* Fallthru */
3a03eb79 1075 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1076 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1077 IS_QLA8044(ha))
7d613ac6
SV		 1078 qla81xx_idc_event(vha, mb[0], mb[1]);
1079 break;
1080
1081 case MBA_IDC_AEN:
1082 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1083 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1084 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1085 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1086 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1087 break;
7d613ac6 1088
6246b8a1
GM		 1089 default:
1090 ql_dbg(ql_dbg_async, vha, 0x5057,
1091 "Unknown AEN:%04x %04x %04x %04x\n",
1092 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1093 }
2c3dfe3f 1094
2d70c103
NB		 1095 qlt_async_event(mb[0], vha, mb);
1096
e315cd28 1097 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1098 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1099}
1100
1101/**
1102 * qla2x00_process_completed_request() - Process a Fast Post response.
1103 * @ha: SCSI driver HA context
1104 * @index: SRB index
1105 */
8ae6d9c7 1106void
73208dfd 1107qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1108 struct req_que *req, uint32_t index)
1da177e4
LT		 1109{
1110 srb_t *sp;
e315cd28 1111 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1112
1113 /* Validate handle. */
8d93f550 1114 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1115 ql_log(ql_log_warn, vha, 0x3014,
1116 "Invalid SCSI command index (%x).\n", index);
1da177e4 1117
7ec0effd 1118 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1119 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1120 else
1121 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1122 return;
1123 }
1124
e315cd28 1125 sp = req->outstanding_cmds[index];
1da177e4
LT		 1126 if (sp) {
1127 /* Free outstanding command slot. */
e315cd28 1128 req->outstanding_cmds[index] = NULL;
1da177e4 1129
1da177e4 1130 /* Save ISP completion status */
9ba56b95 1131 sp->done(ha, sp, DID_OK << 16);
1da177e4 1132 } else {
7c3df132 1133 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1134
7ec0effd 1135 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1136 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1137 else
1138 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1139 }
1140}
1141
8ae6d9c7 1142srb_t *
ac280b67
AV		 1143qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1144 struct req_que *req, void *iocb)
1145{
1146 struct qla_hw_data *ha = vha->hw;
1147 sts_entry_t *pkt = iocb;
1148 srb_t *sp = NULL;
1149 uint16_t index;
1150
1151 index = LSW(pkt->handle);
8d93f550 1152 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1153 ql_log(ql_log_warn, vha, 0x5031,
1154 "Invalid command index (%x).\n", index);
7ec0effd 1155 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1156 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1157 else
1158 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1159 goto done;
1160 }
1161 sp = req->outstanding_cmds[index];
1162 if (!sp) {
7c3df132
SK		 1163 ql_log(ql_log_warn, vha, 0x5032,
1164 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1165 return sp;
1166 }
1167 if (sp->handle != index) {
7c3df132
SK		 1168 ql_log(ql_log_warn, vha, 0x5033,
1169 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1170 return NULL;
1171 }
9a069e19 1172
ac280b67 1173 req->outstanding_cmds[index] = NULL;
9a069e19 1174
ac280b67
AV		 1175done:
1176 return sp;
1177}
1178
1179static void
1180qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1181 struct mbx_entry *mbx)
1182{
1183 const char func[] = "MBX-IOCB";
1184 const char *type;
ac280b67
AV		 1185 fc_port_t *fcport;
1186 srb_t *sp;
4916392b 1187 struct srb_iocb *lio;
99b0bec7 1188 uint16_t *data;
5ff1d584 1189 uint16_t status;
ac280b67
AV		 1190
1191 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1192 if (!sp)
1193 return;
1194
9ba56b95
GM		 1195 lio = &sp->u.iocb_cmd;
1196 type = sp->name;
ac280b67 1197 fcport = sp->fcport;
4916392b 1198 data = lio->u.logio.data;
ac280b67 1199
5ff1d584 1200 data[0] = MBS_COMMAND_ERROR;
4916392b 1201 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1202 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1203 if (mbx->entry_status) {
7c3df132 1204 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1205 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1206 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1207 "status-flags=%x.\n", type, sp->handle,
1208 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1209 fcport->d_id.b.al_pa, mbx->entry_status,
1210 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1211 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1212
cfb0919c 1213 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1214 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1215
99b0bec7 1216 goto logio_done;
ac280b67
AV		 1217 }
1218
5ff1d584 1219 status = le16_to_cpu(mbx->status);
9ba56b95 1220 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1221 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1222 status = 0;
1223 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1224 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1225 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1226 type, sp->handle, fcport->d_id.b.domain,
1227 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1228 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1229
1230 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1231 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1232 fcport->port_type = FCT_TARGET;
1233 if (le16_to_cpu(mbx->mb1) & BIT_0)
1234 fcport->port_type = FCT_INITIATOR;
6ac52608 1235 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1236 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1237 }
99b0bec7 1238 goto logio_done;
ac280b67
AV		 1239 }
1240
1241 data[0] = le16_to_cpu(mbx->mb0);
1242 switch (data[0]) {
1243 case MBS_PORT_ID_USED:
1244 data[1] = le16_to_cpu(mbx->mb1);
1245 break;
1246 case MBS_LOOP_ID_USED:
1247 break;
1248 default:
1249 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1250 break;
1251 }
1252
7c3df132 1253 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1254 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1255 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1256 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1257 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1258 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1259 le16_to_cpu(mbx->mb7));
ac280b67 1260
99b0bec7 1261logio_done:
9ba56b95 1262 sp->done(vha, sp, 0);
ac280b67
AV		 1263}
1264
9bc4f4fb
HZ		 1265static void
1266qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1267 sts_entry_t *pkt, int iocb_type)
1268{
1269 const char func[] = "CT_IOCB";
1270 const char *type;
9bc4f4fb 1271 srb_t *sp;
9bc4f4fb
HZ		 1272 struct fc_bsg_job *bsg_job;
1273 uint16_t comp_status;
9ba56b95 1274 int res;
9bc4f4fb
HZ		 1275
1276 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1277 if (!sp)
1278 return;
1279
9ba56b95 1280 bsg_job = sp->u.bsg_job;
9bc4f4fb 1281
9ba56b95 1282 type = "ct pass-through";
9bc4f4fb
HZ		 1283
1284 comp_status = le16_to_cpu(pkt->comp_status);
1285
1286 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1287 * fc payload to the caller
1288 */
1289 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1290 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1291
1292 if (comp_status != CS_COMPLETE) {
1293 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1294 res = DID_OK << 16;
9bc4f4fb
HZ		 1295 bsg_job->reply->reply_payload_rcv_len =
1296 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1297
7c3df132
SK		 1298 ql_log(ql_log_warn, vha, 0x5048,
1299 "CT pass-through-%s error "
9bc4f4fb 1300 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132
SK		 1301 type, comp_status,
1302 bsg_job->reply->reply_payload_rcv_len);
9bc4f4fb 1303 } else {
7c3df132
SK		 1304 ql_log(ql_log_warn, vha, 0x5049,
1305 "CT pass-through-%s error "
1306 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1307 res = DID_ERROR << 16;
9bc4f4fb
HZ		 1308 bsg_job->reply->reply_payload_rcv_len = 0;
1309 }
cfb0919c 1310 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1311 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1312 } else {
9ba56b95 1313 res = DID_OK << 16;
9bc4f4fb
HZ		 1314 bsg_job->reply->reply_payload_rcv_len =
1315 bsg_job->reply_payload.payload_len;
1316 bsg_job->reply_len = 0;
1317 }
1318
9ba56b95 1319 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1320}
1321
9a069e19
GM		 1322static void
1323qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1324 struct sts_entry_24xx *pkt, int iocb_type)
1325{
1326 const char func[] = "ELS_CT_IOCB";
1327 const char *type;
9a069e19 1328 srb_t *sp;
9a069e19
GM		 1329 struct fc_bsg_job *bsg_job;
1330 uint16_t comp_status;
1331 uint32_t fw_status[3];
1332 uint8_t* fw_sts_ptr;
9ba56b95 1333 int res;
9a069e19
GM		 1334
1335 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1336 if (!sp)
1337 return;
9ba56b95 1338 bsg_job = sp->u.bsg_job;
9a069e19
GM		 1339
1340 type = NULL;
9ba56b95 1341 switch (sp->type) {
9a069e19
GM		 1342 case SRB_ELS_CMD_RPT:
1343 case SRB_ELS_CMD_HST:
1344 type = "els";
1345 break;
1346 case SRB_CT_CMD:
1347 type = "ct pass-through";
1348 break;
1349 default:
37fed3ee 1350 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1351 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1352 return;
1353 }
1354
1355 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1356 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1357 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1358
1359 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1360 * fc payload to the caller
1361 */
1362 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1363 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1364
1365 if (comp_status != CS_COMPLETE) {
1366 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1367 res = DID_OK << 16;
9a069e19 1368 bsg_job->reply->reply_payload_rcv_len =
9ba56b95 1369 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1370
37fed3ee 1371 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1372 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1373 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1374 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1375 le16_to_cpu(((struct els_sts_entry_24xx *)
1376 pkt)->total_byte_count));
9a069e19
GM		 1377 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1378 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1379 }
1380 else {
37fed3ee 1381 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1382 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1383 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1384 type, sp->handle, comp_status,
7c3df132
SK		 1385 le16_to_cpu(((struct els_sts_entry_24xx *)
1386 pkt)->error_subcode_1),
1387 le16_to_cpu(((struct els_sts_entry_24xx *)
1388 pkt)->error_subcode_2));
9ba56b95 1389 res = DID_ERROR << 16;
9a069e19
GM		 1390 bsg_job->reply->reply_payload_rcv_len = 0;
1391 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1392 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1393 }
37fed3ee 1394 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1395 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1396 }
1397 else {
9ba56b95 1398 res = DID_OK << 16;
9a069e19
GM		 1399 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1400 bsg_job->reply_len = 0;
1401 }
1402
9ba56b95 1403 sp->done(vha, sp, res);
9a069e19
GM		 1404}
1405
ac280b67
AV		 1406static void
1407qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1408 struct logio_entry_24xx *logio)
1409{
1410 const char func[] = "LOGIO-IOCB";
1411 const char *type;
ac280b67
AV		 1412 fc_port_t *fcport;
1413 srb_t *sp;
4916392b 1414 struct srb_iocb *lio;
99b0bec7 1415 uint16_t *data;
ac280b67
AV		 1416 uint32_t iop[2];
1417
1418 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1419 if (!sp)
1420 return;
1421
9ba56b95
GM		 1422 lio = &sp->u.iocb_cmd;
1423 type = sp->name;
ac280b67 1424 fcport = sp->fcport;
4916392b 1425 data = lio->u.logio.data;
ac280b67 1426
5ff1d584 1427 data[0] = MBS_COMMAND_ERROR;
4916392b 1428 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1429 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1430 if (logio->entry_status) {
5e19ed90 1431 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1432 "Async-%s error entry - hdl=%x"
d3fa9e7d 1433 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1434 type, sp->handle, fcport->d_id.b.domain,
1435 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1436 logio->entry_status);
1437 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1438 (uint8_t *)logio, sizeof(*logio));
ac280b67 1439
99b0bec7 1440 goto logio_done;
ac280b67
AV		 1441 }
1442
1443 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1444 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1445 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1446 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1447 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1448 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1449
1450 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1451 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1452 goto logio_done;
ac280b67
AV		 1453
1454 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1455 if (iop[0] & BIT_4) {
1456 fcport->port_type = FCT_TARGET;
1457 if (iop[0] & BIT_8)
8474f3a0 1458 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1459 } else if (iop[0] & BIT_5)
ac280b67 1460 fcport->port_type = FCT_INITIATOR;
b0cd579c 1461
2d70c103
NB		 1462 if (iop[0] & BIT_7)
1463 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1464
ac280b67
AV		 1465 if (logio->io_parameter[7] || logio->io_parameter[8])
1466 fcport->supported_classes |= FC_COS_CLASS2;
1467 if (logio->io_parameter[9] || logio->io_parameter[10])
1468 fcport->supported_classes |= FC_COS_CLASS3;
1469
99b0bec7 1470 goto logio_done;
ac280b67
AV		 1471 }
1472
1473 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1474 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1475 switch (iop[0]) {
1476 case LSC_SCODE_PORTID_USED:
1477 data[0] = MBS_PORT_ID_USED;
1478 data[1] = LSW(iop[1]);
1479 break;
1480 case LSC_SCODE_NPORT_USED:
1481 data[0] = MBS_LOOP_ID_USED;
1482 break;
ac280b67
AV		 1483 default:
1484 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1485 break;
1486 }
1487
5e19ed90 1488 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1489 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1490 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1491 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1492 le16_to_cpu(logio->comp_status),
1493 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1494 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1495
99b0bec7 1496logio_done:
9ba56b95 1497 sp->done(vha, sp, 0);
ac280b67
AV		 1498}
1499
3822263e
MI		 1500static void
1501qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1502 struct tsk_mgmt_entry *tsk)
1503{
1504 const char func[] = "TMF-IOCB";
1505 const char *type;
1506 fc_port_t *fcport;
1507 srb_t *sp;
1508 struct srb_iocb *iocb;
3822263e
MI		 1509 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1510 int error = 1;
1511
1512 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1513 if (!sp)
1514 return;
1515
9ba56b95
GM		 1516 iocb = &sp->u.iocb_cmd;
1517 type = sp->name;
3822263e
MI		 1518 fcport = sp->fcport;
1519
1520 if (sts->entry_status) {
5e19ed90 1521 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1522 "Async-%s error - hdl=%x entry-status(%x).\n",
1523 type, sp->handle, sts->entry_status);
3822263e 1524 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1525 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1526 "Async-%s error - hdl=%x completion status(%x).\n",
1527 type, sp->handle, sts->comp_status);
3822263e
MI		 1528 } else if (!(le16_to_cpu(sts->scsi_status) &
1529 SS_RESPONSE_INFO_LEN_VALID)) {
5e19ed90 1530 ql_log(ql_log_warn, fcport->vha, 0x503a,
cfb0919c
CD		 1531 "Async-%s error - hdl=%x no response info(%x).\n",
1532 type, sp->handle, sts->scsi_status);
3822263e 1533 } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
5e19ed90 1534 ql_log(ql_log_warn, fcport->vha, 0x503b,
cfb0919c
CD		 1535 "Async-%s error - hdl=%x not enough response(%d).\n",
1536 type, sp->handle, sts->rsp_data_len);
3822263e 1537 } else if (sts->data[3]) {
5e19ed90 1538 ql_log(ql_log_warn, fcport->vha, 0x503c,
cfb0919c
CD		 1539 "Async-%s error - hdl=%x response(%x).\n",
1540 type, sp->handle, sts->data[3]);
3822263e
MI		 1541 } else {
1542 error = 0;
1543 }
1544
1545 if (error) {
1546 iocb->u.tmf.data = error;
7c3df132
SK		 1547 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1548 (uint8_t *)sts, sizeof(*sts));
3822263e
MI		 1549 }
1550
9ba56b95 1551 sp->done(vha, sp, 0);
3822263e
MI		 1552}
1553
1da177e4
LT		 1554/**
1555 * qla2x00_process_response_queue() - Process response queue entries.
1556 * @ha: SCSI driver HA context
1557 */
1558void
73208dfd 1559qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1560{
73208dfd
AC		 1561 struct scsi_qla_host *vha;
1562 struct qla_hw_data *ha = rsp->hw;
3d71644c 1563 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1564 sts_entry_t *pkt;
1565 uint16_t handle_cnt;
1566 uint16_t cnt;
73208dfd 1567
2afa19a9 1568 vha = pci_get_drvdata(ha->pdev);
1da177e4 1569
e315cd28 1570 if (!vha->flags.online)
1da177e4
LT		 1571 return;
1572
e315cd28
AC		 1573 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1574 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1575
e315cd28
AC		 1576 rsp->ring_index++;
1577 if (rsp->ring_index == rsp->length) {
1578 rsp->ring_index = 0;
1579 rsp->ring_ptr = rsp->ring;
1da177e4 1580 } else {
e315cd28 1581 rsp->ring_ptr++;
1da177e4
LT		 1582 }
1583
1584 if (pkt->entry_status != 0) {
73208dfd 1585 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1586 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1587 wmb();
1588 continue;
1589 }
1590
1591 switch (pkt->entry_type) {
1592 case STATUS_TYPE:
73208dfd 1593 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1594 break;
1595 case STATUS_TYPE_21:
1596 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1597 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1598 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1599 ((sts21_entry_t *)pkt)->handle[cnt]);
1600 }
1601 break;
1602 case STATUS_TYPE_22:
1603 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1604 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1605 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1606 ((sts22_entry_t *)pkt)->handle[cnt]);
1607 }
1608 break;
1609 case STATUS_CONT_TYPE:
2afa19a9 1610 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1611 break;
ac280b67
AV		 1612 case MBX_IOCB_TYPE:
1613 qla2x00_mbx_iocb_entry(vha, rsp->req,
1614 (struct mbx_entry *)pkt);
3822263e 1615 break;
9bc4f4fb
HZ		 1616 case CT_IOCB_TYPE:
1617 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1618 break;
1da177e4
LT		 1619 default:
1620 /* Type Not Supported. */
7c3df132
SK		 1621 ql_log(ql_log_warn, vha, 0x504a,
1622 "Received unknown response pkt type %x "
1da177e4 1623 "entry status=%x.\n",
7c3df132 1624 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1625 break;
1626 }
1627 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1628 wmb();
1629 }
1630
1631 /* Adjust ring index */
e315cd28 1632 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1633}
1634
4733fcb1 1635static inline void
5544213b 1636qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1637 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1638{
7c3df132 1639 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1640 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1641 uint32_t track_sense_len;
4733fcb1
AV		 1642
1643 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1644 sense_len = SCSI_SENSE_BUFFERSIZE;
1645
9ba56b95
GM		 1646 SET_CMD_SENSE_LEN(sp, sense_len);
1647 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1648 track_sense_len = sense_len;
1649
1650 if (sense_len > par_sense_len)
5544213b 1651 sense_len = par_sense_len;
4733fcb1
AV		 1652
1653 memcpy(cp->sense_buffer, sense_data, sense_len);
1654
9ba56b95
GM		 1655 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1656 track_sense_len -= sense_len;
1657 SET_CMD_SENSE_LEN(sp, track_sense_len);
1658
1659 if (track_sense_len != 0) {
2afa19a9 1660 rsp->status_srb = sp;
9ba56b95
GM		 1661 cp->result = res;
1662 }
4733fcb1 1663
cfb0919c
CD		 1664 if (sense_len) {
1665 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1666 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
1667 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1668 cp);
7c3df132
SK		 1669 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1670 cp->sense_buffer, sense_len);
cfb0919c 1671 }
4733fcb1
AV		 1672}
1673
bad75002
AE		 1674struct scsi_dif_tuple {
1675 __be16 guard; /* Checksum */
d6a03581 1676 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1677 __be32 ref_tag; /* Target LBA or indirect LBA */
1678};
1679
1680/*
1681 * Checks the guard or meta-data for the type of error
1682 * detected by the HBA. In case of errors, we set the
1683 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1684 * to indicate to the kernel that the HBA detected error.
1685 */
8cb2049c 1686static inline int
bad75002
AE		 1687qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1688{
7c3df132 1689 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1690 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1691 uint8_t *ap = &sts24->data[12];
1692 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1693 uint32_t e_ref_tag, a_ref_tag;
1694 uint16_t e_app_tag, a_app_tag;
1695 uint16_t e_guard, a_guard;
1696
8cb2049c
AE		 1697 /*
1698 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1699 * would make guard field appear at offset 2
1700 */
1701 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1702 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1703 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1704 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1705 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1706 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1707
7c3df132
SK		 1708 ql_dbg(ql_dbg_io, vha, 0x3023,
1709 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1710
7c3df132
SK		 1711 ql_dbg(ql_dbg_io, vha, 0x3024,
1712 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1713 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1714 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1715 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1716 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1717
8cb2049c
AE		 1718 /*
1719 * Ignore sector if:
1720 * For type 3: ref & app tag is all 'f's
1721 * For type 0,1,2: app tag is all 'f's
1722 */
1723 if ((a_app_tag == 0xffff) &&
1724 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1725 (a_ref_tag == 0xffffffff))) {
1726 uint32_t blocks_done, resid;
1727 sector_t lba_s = scsi_get_lba(cmd);
1728
1729 /* 2TB boundary case covered automatically with this */
1730 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1731
1732 resid = scsi_bufflen(cmd) - (blocks_done *
1733 cmd->device->sector_size);
1734
1735 scsi_set_resid(cmd, resid);
1736 cmd->result = DID_OK << 16;
1737
1738 /* Update protection tag */
1739 if (scsi_prot_sg_count(cmd)) {
1740 uint32_t i, j = 0, k = 0, num_ent;
1741 struct scatterlist *sg;
1742 struct sd_dif_tuple *spt;
1743
1744 /* Patch the corresponding protection tags */
1745 scsi_for_each_prot_sg(cmd, sg,
1746 scsi_prot_sg_count(cmd), i) {
1747 num_ent = sg_dma_len(sg) / 8;
1748 if (k + num_ent < blocks_done) {
1749 k += num_ent;
1750 continue;
1751 }
1752 j = blocks_done - k - 1;
1753 k = blocks_done;
1754 break;
1755 }
1756
1757 if (k != blocks_done) {
cfb0919c 1758 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1759 "unexpected tag values tag:lba=%x:%llx)\n",
1760 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1761 return 1;
1762 }
1763
1764 spt = page_address(sg_page(sg)) + sg->offset;
1765 spt += j;
1766
1767 spt->app_tag = 0xffff;
1768 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1769 spt->ref_tag = 0xffffffff;
1770 }
1771
1772 return 0;
1773 }
1774
bad75002
AE		 1775 /* check guard */
1776 if (e_guard != a_guard) {
1777 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1778 0x10, 0x1);
1779 set_driver_byte(cmd, DRIVER_SENSE);
1780 set_host_byte(cmd, DID_ABORT);
1781 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1782 return 1;
bad75002
AE		 1783 }
1784
e02587d7
AE		 1785 /* check ref tag */
1786 if (e_ref_tag != a_ref_tag) {
bad75002 1787 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1788 0x10, 0x3);
bad75002
AE		 1789 set_driver_byte(cmd, DRIVER_SENSE);
1790 set_host_byte(cmd, DID_ABORT);
1791 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1792 return 1;
bad75002
AE		 1793 }
1794
e02587d7
AE		 1795 /* check appl tag */
1796 if (e_app_tag != a_app_tag) {
bad75002 1797 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1798 0x10, 0x2);
bad75002
AE		 1799 set_driver_byte(cmd, DRIVER_SENSE);
1800 set_host_byte(cmd, DID_ABORT);
1801 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1802 return 1;
bad75002 1803 }
e02587d7 1804
8cb2049c 1805 return 1;
bad75002
AE		 1806}
1807
a9b6f722
SK		 1808static void
1809qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1810 struct req_que *req, uint32_t index)
1811{
1812 struct qla_hw_data *ha = vha->hw;
1813 srb_t *sp;
1814 uint16_t comp_status;
1815 uint16_t scsi_status;
1816 uint16_t thread_id;
1817 uint32_t rval = EXT_STATUS_OK;
1818 struct fc_bsg_job *bsg_job = NULL;
1819 sts_entry_t *sts;
1820 struct sts_entry_24xx *sts24;
1821 sts = (sts_entry_t *) pkt;
1822 sts24 = (struct sts_entry_24xx *) pkt;
1823
1824 /* Validate handle. */
8d93f550 1825 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1826 ql_log(ql_log_warn, vha, 0x70af,
1827 "Invalid SCSI completion handle 0x%x.\n", index);
1828 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1829 return;
1830 }
1831
1832 sp = req->outstanding_cmds[index];
1833 if (sp) {
1834 /* Free outstanding command slot. */
1835 req->outstanding_cmds[index] = NULL;
1836 bsg_job = sp->u.bsg_job;
1837 } else {
1838 ql_log(ql_log_warn, vha, 0x70b0,
1839 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1840 req->id, index);
1841
1842 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1843 return;
1844 }
1845
1846 if (IS_FWI2_CAPABLE(ha)) {
1847 comp_status = le16_to_cpu(sts24->comp_status);
1848 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1849 } else {
1850 comp_status = le16_to_cpu(sts->comp_status);
1851 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1852 }
1853
1854 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1855 switch (comp_status) {
1856 case CS_COMPLETE:
1857 if (scsi_status == 0) {
1858 bsg_job->reply->reply_payload_rcv_len =
1859 bsg_job->reply_payload.payload_len;
fabbb8df
JC		 1860 vha->qla_stats.input_bytes +=
1861 bsg_job->reply->reply_payload_rcv_len;
1862 vha->qla_stats.input_requests++;
a9b6f722
SK		 1863 rval = EXT_STATUS_OK;
1864 }
1865 goto done;
1866
1867 case CS_DATA_OVERRUN:
1868 ql_dbg(ql_dbg_user, vha, 0x70b1,
1869 "Command completed with date overrun thread_id=%d\n",
1870 thread_id);
1871 rval = EXT_STATUS_DATA_OVERRUN;
1872 break;
1873
1874 case CS_DATA_UNDERRUN:
1875 ql_dbg(ql_dbg_user, vha, 0x70b2,
1876 "Command completed with date underrun thread_id=%d\n",
1877 thread_id);
1878 rval = EXT_STATUS_DATA_UNDERRUN;
1879 break;
1880 case CS_BIDIR_RD_OVERRUN:
1881 ql_dbg(ql_dbg_user, vha, 0x70b3,
1882 "Command completed with read data overrun thread_id=%d\n",
1883 thread_id);
1884 rval = EXT_STATUS_DATA_OVERRUN;
1885 break;
1886
1887 case CS_BIDIR_RD_WR_OVERRUN:
1888 ql_dbg(ql_dbg_user, vha, 0x70b4,
1889 "Command completed with read and write data overrun "
1890 "thread_id=%d\n", thread_id);
1891 rval = EXT_STATUS_DATA_OVERRUN;
1892 break;
1893
1894 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1895 ql_dbg(ql_dbg_user, vha, 0x70b5,
1896 "Command completed with read data over and write data "
1897 "underrun thread_id=%d\n", thread_id);
1898 rval = EXT_STATUS_DATA_OVERRUN;
1899 break;
1900
1901 case CS_BIDIR_RD_UNDERRUN:
1902 ql_dbg(ql_dbg_user, vha, 0x70b6,
1903 "Command completed with read data data underrun "
1904 "thread_id=%d\n", thread_id);
1905 rval = EXT_STATUS_DATA_UNDERRUN;
1906 break;
1907
1908 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1909 ql_dbg(ql_dbg_user, vha, 0x70b7,
1910 "Command completed with read data under and write data "
1911 "overrun thread_id=%d\n", thread_id);
1912 rval = EXT_STATUS_DATA_UNDERRUN;
1913 break;
1914
1915 case CS_BIDIR_RD_WR_UNDERRUN:
1916 ql_dbg(ql_dbg_user, vha, 0x70b8,
1917 "Command completed with read and write data underrun "
1918 "thread_id=%d\n", thread_id);
1919 rval = EXT_STATUS_DATA_UNDERRUN;
1920 break;
1921
1922 case CS_BIDIR_DMA:
1923 ql_dbg(ql_dbg_user, vha, 0x70b9,
1924 "Command completed with data DMA error thread_id=%d\n",
1925 thread_id);
1926 rval = EXT_STATUS_DMA_ERR;
1927 break;
1928
1929 case CS_TIMEOUT:
1930 ql_dbg(ql_dbg_user, vha, 0x70ba,
1931 "Command completed with timeout thread_id=%d\n",
1932 thread_id);
1933 rval = EXT_STATUS_TIMEOUT;
1934 break;
1935 default:
1936 ql_dbg(ql_dbg_user, vha, 0x70bb,
1937 "Command completed with completion status=0x%x "
1938 "thread_id=%d\n", comp_status, thread_id);
1939 rval = EXT_STATUS_ERR;
1940 break;
1941 }
1942 bsg_job->reply->reply_payload_rcv_len = 0;
1943
1944done:
1945 /* Return the vendor specific reply to API */
1946 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1947 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1948 /* Always return DID_OK, bsg will send the vendor specific response
1949 * in this case only */
1950 sp->done(vha, sp, (DID_OK << 6));
1951
1952}
1953
1da177e4
LT		 1954/**
1955 * qla2x00_status_entry() - Process a Status IOCB entry.
1956 * @ha: SCSI driver HA context
1957 * @pkt: Entry pointer
1958 */
1959static void
73208dfd 1960qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 1961{
1da177e4 1962 srb_t *sp;
1da177e4
LT		 1963 fc_port_t *fcport;
1964 struct scsi_cmnd *cp;
9a853f71
AV		 1965 sts_entry_t *sts;
1966 struct sts_entry_24xx *sts24;
1da177e4
LT		 1967 uint16_t comp_status;
1968 uint16_t scsi_status;
b7d2280c 1969 uint16_t ox_id;
1da177e4
LT		 1970 uint8_t lscsi_status;
1971 int32_t resid;
5544213b
AV		 1972 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1973 fw_resid_len;
9a853f71 1974 uint8_t *rsp_info, *sense_data;
e315cd28 1975 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 1976 uint32_t handle;
1977 uint16_t que;
1978 struct req_que *req;
b7d2280c 1979 int logit = 1;
9ba56b95 1980 int res = 0;
a9b6f722 1981 uint16_t state_flags = 0;
9a853f71
AV		 1982
1983 sts = (sts_entry_t *) pkt;
1984 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 1985 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 1986 comp_status = le16_to_cpu(sts24->comp_status);
1987 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 1988 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 1989 } else {
1990 comp_status = le16_to_cpu(sts->comp_status);
1991 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1992 }
2afa19a9
AC		 1993 handle = (uint32_t) LSW(sts->handle);
1994 que = MSW(sts->handle);
1995 req = ha->req_q_map[que];
a9083016 1996
36008cf1
CD		 1997 /* Check for invalid queue pointer */
1998 if (req == NULL ||
1999 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2000 ql_dbg(ql_dbg_io, vha, 0x3059,
2001 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2002 "que=%u.\n", sts->handle, req, que);
2003 return;
2004 }
2005
1da177e4 2006 /* Validate handle. */
8d93f550 2007 if (handle < req->num_outstanding_cmds)
2afa19a9 2008 sp = req->outstanding_cmds[handle];
8d93f550 2009 else
1da177e4
LT		 2010 sp = NULL;
2011
2012 if (sp == NULL) {
cfb0919c 2013 ql_dbg(ql_dbg_io, vha, 0x3017,
7c3df132 2014 "Invalid status handle (0x%x).\n", sts->handle);
1da177e4 2015
7ec0effd 2016 if (IS_P3P_TYPE(ha))
8f7daead
GM		 2017 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2018 else
2019 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e315cd28 2020 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2021 return;
2022 }
a9b6f722
SK		 2023
2024 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2025 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2026 return;
2027 }
2028
2029 /* Fast path completion. */
2030 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2031 qla2x00_process_completed_request(vha, req, handle);
2032
2033 return;
2034 }
2035
2036 req->outstanding_cmds[handle] = NULL;
9ba56b95 2037 cp = GET_CMD_SP(sp);
1da177e4 2038 if (cp == NULL) {
cfb0919c 2039 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2040 "Command already returned (0x%x/%p).\n",
2041 sts->handle, sp);
1da177e4
LT		 2042
2043 return;
2044 }
2045
8ae6d9c7 2046 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2047
bdf79621 2048 fcport = sp->fcport;
1da177e4 2049
b7d2280c 2050 ox_id = 0;
5544213b
AV		 2051 sense_len = par_sense_len = rsp_info_len = resid_len =
2052 fw_resid_len = 0;
e428924c 2053 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2054 if (scsi_status & SS_SENSE_LEN_VALID)
2055 sense_len = le32_to_cpu(sts24->sense_len);
2056 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2057 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2058 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2059 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2060 if (comp_status == CS_DATA_UNDERRUN)
2061 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2062 rsp_info = sts24->data;
2063 sense_data = sts24->data;
2064 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2065 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2066 par_sense_len = sizeof(sts24->data);
9a853f71 2067 } else {
0f00a206
LC		 2068 if (scsi_status & SS_SENSE_LEN_VALID)
2069 sense_len = le16_to_cpu(sts->req_sense_length);
2070 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2071 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2072 resid_len = le32_to_cpu(sts->residual_length);
2073 rsp_info = sts->rsp_info;
2074 sense_data = sts->req_sense_data;
5544213b 2075 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2076 }
2077
1da177e4
LT		 2078 /* Check for any FCP transport errors. */
2079 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2080 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2081 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2082 sense_data += rsp_info_len;
5544213b
AV		 2083 par_sense_len -= rsp_info_len;
2084 }
9a853f71 2085 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2086 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2087 "FCP I/O protocol failure (0x%x/0x%x).\n",
2088 rsp_info_len, rsp_info[3]);
1da177e4 2089
9ba56b95 2090 res = DID_BUS_BUSY << 16;
b7d2280c 2091 goto out;
1da177e4
LT		 2092 }
2093 }
2094
3e8ce320
AV		 2095 /* Check for overrun. */
2096 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2097 scsi_status & SS_RESIDUAL_OVER)
2098 comp_status = CS_DATA_OVERRUN;
2099
1da177e4
LT		 2100 /*
2101 * Based on Host and scsi status generate status code for Linux
2102 */
2103 switch (comp_status) {
2104 case CS_COMPLETE:
df7baa50 2105 case CS_QUEUE_FULL:
1da177e4 2106 if (scsi_status == 0) {
9ba56b95 2107 res = DID_OK << 16;
1da177e4
LT		 2108 break;
2109 }
2110 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2111 resid = resid_len;
385d70b4 2112 scsi_set_resid(cp, resid);
0da69df1
AV		 2113
2114 if (!lscsi_status &&
385d70b4 2115 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2116 cp->underflow)) {
5e19ed90 2117 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2118 "Mid-layer underflow "
b7d2280c 2119 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2120 resid, scsi_bufflen(cp));
0da69df1 2121
9ba56b95 2122 res = DID_ERROR << 16;
0da69df1
AV		 2123 break;
2124 }
1da177e4 2125 }
9ba56b95 2126 res = DID_OK << 16 | lscsi_status;
1da177e4 2127
df7baa50 2128 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2129 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2130 "QUEUE FULL detected.\n");
df7baa50
AV		 2131 break;
2132 }
b7d2280c 2133 logit = 0;
1da177e4
LT		 2134 if (lscsi_status != SS_CHECK_CONDITION)
2135 break;
2136
b80ca4f7 2137 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2138 if (!(scsi_status & SS_SENSE_LEN_VALID))
2139 break;
2140
5544213b 2141 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2142 rsp, res);
1da177e4
LT		 2143 break;
2144
2145 case CS_DATA_UNDERRUN:
ed17c71b 2146 /* Use F/W calculated residual length. */
0f00a206
LC		 2147 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2148 scsi_set_resid(cp, resid);
2149 if (scsi_status & SS_RESIDUAL_UNDER) {
2150 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2151 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2152 "Dropped frame(s) detected "
2153 "(0x%x of 0x%x bytes).\n",
2154 resid, scsi_bufflen(cp));
0f00a206 2155
9ba56b95 2156 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2157 goto check_scsi_status;
6acf8190 2158 }
ed17c71b 2159
0f00a206
LC		 2160 if (!lscsi_status &&
2161 ((unsigned)(scsi_bufflen(cp) - resid) <
2162 cp->underflow)) {
5e19ed90 2163 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2164 "Mid-layer underflow "
b7d2280c 2165 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2166 resid, scsi_bufflen(cp));
e038a1be 2167
9ba56b95 2168 res = DID_ERROR << 16;
0f00a206
LC		 2169 break;
2170 }
4aee5766
GM		 2171 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2172 lscsi_status != SAM_STAT_BUSY) {
2173 /*
2174 * scsi status of task set and busy are considered to be
2175 * task not completed.
2176 */
2177
5e19ed90 2178 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2179 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2180 "of 0x%x bytes).\n", resid,
2181 scsi_bufflen(cp));
0f00a206 2182
9ba56b95 2183 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2184 goto check_scsi_status;
4aee5766
GM		 2185 } else {
2186 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2187 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2188 scsi_status, lscsi_status);
1da177e4
LT		 2189 }
2190
9ba56b95 2191 res = DID_OK << 16 | lscsi_status;
b7d2280c 2192 logit = 0;
0f00a206 2193
0374f55e 2194check_scsi_status:
1da177e4 2195 /*
fa2a1ce5 2196 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2197 * Status.
2198 */
2199 if (lscsi_status != 0) {
ffec28a3 2200 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2201 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2202 "QUEUE FULL detected.\n");
b7d2280c 2203 logit = 1;
ffec28a3
AV		 2204 break;
2205 }
1da177e4
LT		 2206 if (lscsi_status != SS_CHECK_CONDITION)
2207 break;
2208
b80ca4f7 2209 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2210 if (!(scsi_status & SS_SENSE_LEN_VALID))
2211 break;
2212
5544213b 2213 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2214 sense_len, rsp, res);
1da177e4
LT		 2215 }
2216 break;
2217
1da177e4
LT		 2218 case CS_PORT_LOGGED_OUT:
2219 case CS_PORT_CONFIG_CHG:
2220 case CS_PORT_BUSY:
2221 case CS_INCOMPLETE:
2222 case CS_PORT_UNAVAILABLE:
b7d2280c 2223 case CS_TIMEOUT:
ff454b01
CD		 2224 case CS_RESET:
2225
056a4483
MC		 2226 /*
2227 * We are going to have the fc class block the rport
2228 * while we try to recover so instruct the mid layer
2229 * to requeue until the class decides how to handle this.
2230 */
9ba56b95 2231 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2232
2233 if (comp_status == CS_TIMEOUT) {
2234 if (IS_FWI2_CAPABLE(ha))
2235 break;
2236 else if ((le16_to_cpu(sts->status_flags) &
2237 SF_LOGOUT_SENT) == 0)
2238 break;
2239 }
2240
5e19ed90 2241 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
0e948975
CD		 2242 "Port to be marked lost on fcport=%02x%02x%02x, current "
2243 "port state= %s.\n", fcport->d_id.b.domain,
2244 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2245 port_state_str[atomic_read(&fcport->state)]);
b7d2280c 2246
a7a28504 2247 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2248 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2249 break;
2250
1da177e4 2251 case CS_ABORTED:
9ba56b95 2252 res = DID_RESET << 16;
1da177e4 2253 break;
bad75002
AE		 2254
2255 case CS_DIF_ERROR:
8cb2049c 2256 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2257 res = cp->result;
bad75002 2258 break;
9e522cd8
AE		 2259
2260 case CS_TRANSPORT:
2261 res = DID_ERROR << 16;
2262
2263 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2264 break;
2265
2266 if (state_flags & BIT_4)
2267 scmd_printk(KERN_WARNING, cp,
2268 "Unsupported device '%s' found.\n",
2269 cp->device->vendor);
2270 break;
2271
1da177e4 2272 default:
9ba56b95 2273 res = DID_ERROR << 16;
1da177e4
LT		 2274 break;
2275 }
2276
b7d2280c
AV		 2277out:
2278 if (logit)
5e19ed90 2279 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
7b833558
OK		 2280 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2281 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
7c3df132 2282 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
9ba56b95 2283 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2284 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2285 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2286 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
7c3df132 2287 resid_len, fw_resid_len);
b7d2280c 2288
2afa19a9 2289 if (rsp->status_srb == NULL)
9ba56b95 2290 sp->done(ha, sp, res);
1da177e4
LT		 2291}
2292
2293/**
2294 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2295 * @ha: SCSI driver HA context
2296 * @pkt: Entry pointer
2297 *
2298 * Extended sense data.
2299 */
2300static void
2afa19a9 2301qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2302{
9ba56b95 2303 uint8_t sense_sz = 0;
2afa19a9 2304 struct qla_hw_data *ha = rsp->hw;
7c3df132 2305 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2306 srb_t *sp = rsp->status_srb;
1da177e4 2307 struct scsi_cmnd *cp;
9ba56b95
GM		 2308 uint32_t sense_len;
2309 uint8_t *sense_ptr;
1da177e4 2310
9ba56b95
GM		 2311 if (!sp || !GET_CMD_SENSE_LEN(sp))
2312 return;
1da177e4 2313
9ba56b95
GM		 2314 sense_len = GET_CMD_SENSE_LEN(sp);
2315 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2316
9ba56b95
GM		 2317 cp = GET_CMD_SP(sp);
2318 if (cp == NULL) {
2319 ql_log(ql_log_warn, vha, 0x3025,
2320 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2321
9ba56b95
GM		 2322 rsp->status_srb = NULL;
2323 return;
1da177e4 2324 }
1da177e4 2325
9ba56b95
GM		 2326 if (sense_len > sizeof(pkt->data))
2327 sense_sz = sizeof(pkt->data);
2328 else
2329 sense_sz = sense_len;
c4631191 2330
9ba56b95
GM		 2331 /* Move sense data. */
2332 if (IS_FWI2_CAPABLE(ha))
2333 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2334 memcpy(sense_ptr, pkt->data, sense_sz);
2335 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2336 sense_ptr, sense_sz);
c4631191 2337
9ba56b95
GM		 2338 sense_len -= sense_sz;
2339 sense_ptr += sense_sz;
c4631191 2340
9ba56b95
GM		 2341 SET_CMD_SENSE_PTR(sp, sense_ptr);
2342 SET_CMD_SENSE_LEN(sp, sense_len);
2343
2344 /* Place command on done queue. */
2345 if (sense_len == 0) {
2346 rsp->status_srb = NULL;
2347 sp->done(ha, sp, cp->result);
c4631191 2348 }
c4631191
GM		 2349}
2350
1da177e4
LT		 2351/**
2352 * qla2x00_error_entry() - Process an error entry.
2353 * @ha: SCSI driver HA context
2354 * @pkt: Entry pointer
2355 */
2356static void
73208dfd 2357qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2358{
2359 srb_t *sp;
e315cd28 2360 struct qla_hw_data *ha = vha->hw;
c4631191 2361 const char func[] = "ERROR-IOCB";
2afa19a9 2362 uint16_t que = MSW(pkt->handle);
a6fe35c0 2363 struct req_que *req = NULL;
9ba56b95 2364 int res = DID_ERROR << 16;
7c3df132 2365
9ba56b95
GM		 2366 ql_dbg(ql_dbg_async, vha, 0x502a,
2367 "type of error status in response: 0x%x\n", pkt->entry_status);
2368
a6fe35c0
AE		 2369 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2370 goto fatal;
2371
2372 req = ha->req_q_map[que];
2373
9ba56b95
GM		 2374 if (pkt->entry_status & RF_BUSY)
2375 res = DID_BUS_BUSY << 16;
1da177e4 2376
c4631191 2377 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2378 if (sp) {
9ba56b95 2379 sp->done(ha, sp, res);
a6fe35c0 2380 return;
1da177e4 2381 }
a6fe35c0
AE		 2382fatal:
2383 ql_log(ql_log_warn, vha, 0x5030,
2384 "Error entry - invalid handle/queue.\n");
2385
7ec0effd 2386 if (IS_P3P_TYPE(ha))
a6fe35c0
AE		 2387 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2388 else
2389 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2390 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2391}
2392
9a853f71
AV		 2393/**
2394 * qla24xx_mbx_completion() - Process mailbox command completions.
2395 * @ha: SCSI driver HA context
2396 * @mb0: Mailbox0 register
2397 */
2398static void
e315cd28 2399qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2400{
2401 uint16_t cnt;
4fa94f83 2402 uint32_t mboxes;
9a853f71 2403 uint16_t __iomem *wptr;
e315cd28 2404 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2405 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2406
4fa94f83
AV		 2407 /* Read all mbox registers? */
2408 mboxes = (1 << ha->mbx_count) - 1;
2409 if (!ha->mcp)
a720101d 2410 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2411 else
2412 mboxes = ha->mcp->in_mb;
2413
9a853f71
AV		 2414 /* Load return mailbox registers. */
2415 ha->flags.mbox_int = 1;
2416 ha->mailbox_out[0] = mb0;
4fa94f83 2417 mboxes >>= 1;
9a853f71
AV		 2418 wptr = (uint16_t __iomem *)&reg->mailbox1;
2419
2420 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2421 if (mboxes & BIT_0)
2422 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2423
2424 mboxes >>= 1;
9a853f71
AV		 2425 wptr++;
2426 }
9a853f71
AV		 2427}
2428
2429/**
2430 * qla24xx_process_response_queue() - Process response queue entries.
2431 * @ha: SCSI driver HA context
2432 */
2afa19a9
AC		 2433void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2434 struct rsp_que *rsp)
9a853f71 2435{
9a853f71 2436 struct sts_entry_24xx *pkt;
a9083016 2437 struct qla_hw_data *ha = vha->hw;
9a853f71 2438
e315cd28 2439 if (!vha->flags.online)
9a853f71
AV		 2440 return;
2441
e315cd28
AC		 2442 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2443 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2444
e315cd28
AC		 2445 rsp->ring_index++;
2446 if (rsp->ring_index == rsp->length) {
2447 rsp->ring_index = 0;
2448 rsp->ring_ptr = rsp->ring;
9a853f71 2449 } else {
e315cd28 2450 rsp->ring_ptr++;
9a853f71
AV		 2451 }
2452
2453 if (pkt->entry_status != 0) {
73208dfd 2454 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103
NB		 2455
2456 (void)qlt_24xx_process_response_error(vha, pkt);
2457
9a853f71
AV		 2458 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2459 wmb();
2460 continue;
2461 }
2462
2463 switch (pkt->entry_type) {
2464 case STATUS_TYPE:
73208dfd 2465 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2466 break;
2467 case STATUS_CONT_TYPE:
2afa19a9 2468 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2469 break;
2c3dfe3f 2470 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2471 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2472 (struct vp_rpt_id_entry_24xx *)pkt);
2473 break;
ac280b67
AV		 2474 case LOGINOUT_PORT_IOCB_TYPE:
2475 qla24xx_logio_entry(vha, rsp->req,
2476 (struct logio_entry_24xx *)pkt);
2477 break;
3822263e
MI		 2478 case TSK_MGMT_IOCB_TYPE:
2479 qla24xx_tm_iocb_entry(vha, rsp->req,
2480 (struct tsk_mgmt_entry *)pkt);
2481 break;
9a069e19
GM		 2482 case CT_IOCB_TYPE:
2483 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19
GM		 2484 break;
2485 case ELS_IOCB_TYPE:
2486 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2487 break;
2d70c103
NB		 2488 case ABTS_RECV_24XX:
2489 /* ensure that the ATIO queue is empty */
2490 qlt_24xx_process_atio_queue(vha);
2491 case ABTS_RESP_24XX:
2492 case CTIO_TYPE7:
2493 case NOTIFY_ACK_TYPE:
2494 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2495 break;
54883291
SK		 2496 case MARKER_TYPE:
2497 /* Do nothing in this case, this check is to prevent it
2498 * from falling into default case
2499 */
2500 break;
9a853f71
AV		 2501 default:
2502 /* Type Not Supported. */
7c3df132
SK		 2503 ql_dbg(ql_dbg_async, vha, 0x5042,
2504 "Received unknown response pkt type %x "
9a853f71 2505 "entry status=%x.\n",
7c3df132 2506 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2507 break;
2508 }
2509 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2510 wmb();
2511 }
2512
2513 /* Adjust ring index */
7ec0effd 2514 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2515 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2516 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2517 } else
2518 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2519}
2520
05236a05 2521static void
e315cd28 2522qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2523{
2524 int rval;
2525 uint32_t cnt;
e315cd28 2526 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2527 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2528
f73cb695
CD		 2529 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2530 !IS_QLA27XX(ha))
05236a05
AV		 2531 return;
2532
2533 rval = QLA_SUCCESS;
2534 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2535 RD_REG_DWORD(&reg->iobase_addr);
2536 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2537 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2538 rval == QLA_SUCCESS; cnt--) {
2539 if (cnt) {
2540 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2541 udelay(10);
2542 } else
2543 rval = QLA_FUNCTION_TIMEOUT;
2544 }
2545 if (rval == QLA_SUCCESS)
2546 goto next_test;
2547
b2ec76c5 2548 rval = QLA_SUCCESS;
05236a05
AV		 2549 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2550 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2551 rval == QLA_SUCCESS; cnt--) {
2552 if (cnt) {
2553 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2554 udelay(10);
2555 } else
2556 rval = QLA_FUNCTION_TIMEOUT;
2557 }
2558 if (rval != QLA_SUCCESS)
2559 goto done;
2560
2561next_test:
2562 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2563 ql_log(ql_log_info, vha, 0x504c,
2564 "Additional code -- 0x55AA.\n");
05236a05
AV		 2565
2566done:
2567 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2568 RD_REG_DWORD(&reg->iobase_window);
2569}
2570
9a853f71 2571/**
6246b8a1 2572 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2573 * @irq:
2574 * @dev_id: SCSI driver HA context
9a853f71
AV		 2575 *
2576 * Called by system whenever the host adapter generates an interrupt.
2577 *
2578 * Returns handled flag.
2579 */
2580irqreturn_t
7d12e780 2581qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2582{
e315cd28
AC		 2583 scsi_qla_host_t *vha;
2584 struct qla_hw_data *ha;
9a853f71
AV		 2585 struct device_reg_24xx __iomem *reg;
2586 int status;
9a853f71
AV		 2587 unsigned long iter;
2588 uint32_t stat;
2589 uint32_t hccr;
7d613ac6 2590 uint16_t mb[8];
e315cd28 2591 struct rsp_que *rsp;
43fac4d9 2592 unsigned long flags;
9a853f71 2593
e315cd28
AC		 2594 rsp = (struct rsp_que *) dev_id;
2595 if (!rsp) {
3256b435
CD		 2596 ql_log(ql_log_info, NULL, 0x5059,
2597 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2598 return IRQ_NONE;
2599 }
2600
e315cd28 2601 ha = rsp->hw;
9a853f71
AV		 2602 reg = &ha->iobase->isp24;
2603 status = 0;
2604
85880801
AV		 2605 if (unlikely(pci_channel_offline(ha->pdev)))
2606 return IRQ_HANDLED;
2607
43fac4d9 2608 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2609 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2610 for (iter = 50; iter--; ) {
2611 stat = RD_REG_DWORD(&reg->host_status);
f3ddac19
CD		 2612 if (qla2x00_check_reg_for_disconnect(vha, stat))
2613 break;
9a853f71 2614 if (stat & HSRX_RISC_PAUSED) {
85880801 2615 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2616 break;
2617
9a853f71
AV		 2618 hccr = RD_REG_DWORD(&reg->hccr);
2619
7c3df132
SK		 2620 ql_log(ql_log_warn, vha, 0x504b,
2621 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2622 hccr);
05236a05 2623
e315cd28 2624 qla2xxx_check_risc_status(vha);
05236a05 2625
e315cd28
AC		 2626 ha->isp_ops->fw_dump(vha, 1);
2627 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2628 break;
2629 } else if ((stat & HSRX_RISC_INT) == 0)
2630 break;
2631
2632 switch (stat & 0xff) {
fafbda9f
AE		 2633 case INTR_ROM_MB_SUCCESS:
2634 case INTR_ROM_MB_FAILED:
2635 case INTR_MB_SUCCESS:
2636 case INTR_MB_FAILED:
e315cd28 2637 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2638 status |= MBX_INTERRUPT;
2639
2640 break;
fafbda9f 2641 case INTR_ASYNC_EVENT:
9a853f71
AV		 2642 mb[0] = MSW(stat);
2643 mb[1] = RD_REG_WORD(&reg->mailbox1);
2644 mb[2] = RD_REG_WORD(&reg->mailbox2);
2645 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2646 qla2x00_async_event(vha, rsp, mb);
9a853f71 2647 break;
fafbda9f
AE		 2648 case INTR_RSP_QUE_UPDATE:
2649 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2650 qla24xx_process_response_queue(vha, rsp);
9a853f71 2651 break;
fafbda9f 2652 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2653 qlt_24xx_process_atio_queue(vha);
2654 break;
fafbda9f 2655 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2656 qlt_24xx_process_atio_queue(vha);
2657 qla24xx_process_response_queue(vha, rsp);
2658 break;
9a853f71 2659 default:
7c3df132
SK		 2660 ql_dbg(ql_dbg_async, vha, 0x504f,
2661 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2662 break;
2663 }
2664 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2665 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2666 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2667 ndelay(3500);
9a853f71 2668 }
36439832 2669 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2670 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2671
9a853f71
AV		 2672 return IRQ_HANDLED;
2673}
2674
a8488abe
AV		 2675static irqreturn_t
2676qla24xx_msix_rsp_q(int irq, void *dev_id)
2677{
e315cd28
AC		 2678 struct qla_hw_data *ha;
2679 struct rsp_que *rsp;
a8488abe 2680 struct device_reg_24xx __iomem *reg;
2afa19a9 2681 struct scsi_qla_host *vha;
0f19bc68 2682 unsigned long flags;
f3ddac19 2683 uint32_t stat = 0;
a8488abe 2684
e315cd28
AC		 2685 rsp = (struct rsp_que *) dev_id;
2686 if (!rsp) {
3256b435
CD		 2687 ql_log(ql_log_info, NULL, 0x505a,
2688 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2689 return IRQ_NONE;
2690 }
2691 ha = rsp->hw;
a8488abe
AV		 2692 reg = &ha->iobase->isp24;
2693
0f19bc68 2694 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2695
a67093d4 2696 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2697 /*
2698 * Use host_status register to check to PCI disconnection before we
2699 * we process the response queue.
2700 */
2701 stat = RD_REG_DWORD(&reg->host_status);
2702 if (qla2x00_check_reg_for_disconnect(vha, stat))
2703 goto out;
2afa19a9 2704 qla24xx_process_response_queue(vha, rsp);
3155754a 2705 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2706 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2707 RD_REG_DWORD_RELAXED(&reg->hccr);
2708 }
f3ddac19 2709out:
0f19bc68 2710 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2711
2712 return IRQ_HANDLED;
2713}
2714
68ca949c
AC		 2715static irqreturn_t
2716qla25xx_msix_rsp_q(int irq, void *dev_id)
2717{
2718 struct qla_hw_data *ha;
f3ddac19 2719 scsi_qla_host_t *vha;
68ca949c 2720 struct rsp_que *rsp;
3155754a 2721 struct device_reg_24xx __iomem *reg;
0f19bc68 2722 unsigned long flags;
f3ddac19 2723 uint32_t hccr = 0;
68ca949c
AC		 2724
2725 rsp = (struct rsp_que *) dev_id;
2726 if (!rsp) {
3256b435
CD		 2727 ql_log(ql_log_info, NULL, 0x505b,
2728 "%s: NULL response queue pointer.\n", __func__);
68ca949c
AC		 2729 return IRQ_NONE;
2730 }
2731 ha = rsp->hw;
f3ddac19 2732 vha = pci_get_drvdata(ha->pdev);
68ca949c 2733
3155754a 2734 /* Clear the interrupt, if enabled, for this response queue */
d424754c 2735 if (!ha->flags.disable_msix_handshake) {
3155754a 2736 reg = &ha->iobase->isp24;
0f19bc68 2737 spin_lock_irqsave(&ha->hardware_lock, flags);
3155754a 2738 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
f3ddac19 2739 hccr = RD_REG_DWORD_RELAXED(&reg->hccr);
0f19bc68 2740 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155754a 2741 }
f3ddac19
CD		 2742 if (qla2x00_check_reg_for_disconnect(vha, hccr))
2743 goto out;
68ca949c
AC		 2744 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2745
f3ddac19 2746out:
68ca949c
AC		 2747 return IRQ_HANDLED;
2748}
2749
a8488abe
AV		 2750static irqreturn_t
2751qla24xx_msix_default(int irq, void *dev_id)
2752{
e315cd28
AC		 2753 scsi_qla_host_t *vha;
2754 struct qla_hw_data *ha;
2755 struct rsp_que *rsp;
a8488abe
AV		 2756 struct device_reg_24xx __iomem *reg;
2757 int status;
a8488abe
AV		 2758 uint32_t stat;
2759 uint32_t hccr;
7d613ac6 2760 uint16_t mb[8];
0f19bc68 2761 unsigned long flags;
a8488abe 2762
e315cd28
AC		 2763 rsp = (struct rsp_que *) dev_id;
2764 if (!rsp) {
3256b435
CD		 2765 ql_log(ql_log_info, NULL, 0x505c,
2766 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2767 return IRQ_NONE;
2768 }
2769 ha = rsp->hw;
a8488abe
AV		 2770 reg = &ha->iobase->isp24;
2771 status = 0;
2772
0f19bc68 2773 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2774 vha = pci_get_drvdata(ha->pdev);
87f27015 2775 do {
a8488abe 2776 stat = RD_REG_DWORD(&reg->host_status);
f3ddac19
CD		 2777 if (qla2x00_check_reg_for_disconnect(vha, stat))
2778 break;
a8488abe 2779 if (stat & HSRX_RISC_PAUSED) {
85880801 2780 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2781 break;
2782
a8488abe
AV		 2783 hccr = RD_REG_DWORD(&reg->hccr);
2784
7c3df132
SK		 2785 ql_log(ql_log_info, vha, 0x5050,
2786 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2787 hccr);
05236a05 2788
e315cd28 2789 qla2xxx_check_risc_status(vha);
05236a05 2790
e315cd28
AC		 2791 ha->isp_ops->fw_dump(vha, 1);
2792 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2793 break;
2794 } else if ((stat & HSRX_RISC_INT) == 0)
2795 break;
2796
2797 switch (stat & 0xff) {
fafbda9f
AE		 2798 case INTR_ROM_MB_SUCCESS:
2799 case INTR_ROM_MB_FAILED:
2800 case INTR_MB_SUCCESS:
2801 case INTR_MB_FAILED:
e315cd28 2802 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2803 status |= MBX_INTERRUPT;
2804
2805 break;
fafbda9f 2806 case INTR_ASYNC_EVENT:
a8488abe
AV		 2807 mb[0] = MSW(stat);
2808 mb[1] = RD_REG_WORD(&reg->mailbox1);
2809 mb[2] = RD_REG_WORD(&reg->mailbox2);
2810 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2811 qla2x00_async_event(vha, rsp, mb);
a8488abe 2812 break;
fafbda9f
AE		 2813 case INTR_RSP_QUE_UPDATE:
2814 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2815 qla24xx_process_response_queue(vha, rsp);
a8488abe 2816 break;
fafbda9f 2817 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2818 qlt_24xx_process_atio_queue(vha);
2819 break;
fafbda9f 2820 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2821 qlt_24xx_process_atio_queue(vha);
2822 qla24xx_process_response_queue(vha, rsp);
2823 break;
a8488abe 2824 default:
7c3df132
SK		 2825 ql_dbg(ql_dbg_async, vha, 0x5051,
2826 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2827 break;
2828 }
2829 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2830 } while (0);
36439832 2831 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 2832 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 2833
a8488abe
AV		 2834 return IRQ_HANDLED;
2835}
2836
2837/* Interrupt handling helpers. */
2838
2839struct qla_init_msix_entry {
a8488abe 2840 const char *name;
476834c2 2841 irq_handler_t handler;
a8488abe
AV		 2842};
2843
68ca949c 2844static struct qla_init_msix_entry msix_entries[3] = {
2afa19a9
AC		 2845 { "qla2xxx (default)", qla24xx_msix_default },
2846 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
68ca949c 2847 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
a8488abe
AV		 2848};
2849
a9083016
GM		 2850static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2851 { "qla2xxx (default)", qla82xx_msix_default },
2852 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2853};
2854
aa230bc5
AE		 2855static struct qla_init_msix_entry qla83xx_msix_entries[3] = {
2856 { "qla2xxx (default)", qla24xx_msix_default },
2857 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
2858 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
2859};
2860
a8488abe 2861static void
e315cd28 2862qla24xx_disable_msix(struct qla_hw_data *ha)
a8488abe
AV		 2863{
2864 int i;
2865 struct qla_msix_entry *qentry;
7c3df132 2866 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe 2867
73208dfd
AC		 2868 for (i = 0; i < ha->msix_count; i++) {
2869 qentry = &ha->msix_entries[i];
a8488abe 2870 if (qentry->have_irq)
73208dfd 2871 free_irq(qentry->vector, qentry->rsp);
a8488abe
AV		 2872 }
2873 pci_disable_msix(ha->pdev);
73208dfd
AC		 2874 kfree(ha->msix_entries);
2875 ha->msix_entries = NULL;
2876 ha->flags.msix_enabled = 0;
7c3df132
SK		 2877 ql_dbg(ql_dbg_init, vha, 0x0042,
2878 "Disabled the MSI.\n");
a8488abe
AV		 2879}
2880
2881static int
73208dfd 2882qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 2883{
ad038fa8 2884#define MIN_MSIX_COUNT 2
f324777e 2885#define ATIO_VECTOR 2
a8488abe 2886 int i, ret;
73208dfd 2887 struct msix_entry *entries;
a8488abe 2888 struct qla_msix_entry *qentry;
7c3df132 2889 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2890
2891 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
a9083016 2892 GFP_KERNEL);
7c3df132
SK		 2893 if (!entries) {
2894 ql_log(ql_log_warn, vha, 0x00bc,
2895 "Failed to allocate memory for msix_entry.\n");
73208dfd 2896 return -ENOMEM;
7c3df132 2897 }
a8488abe 2898
73208dfd
AC		 2899 for (i = 0; i < ha->msix_count; i++)
2900 entries[i].entry = i;
a8488abe 2901
73208dfd 2902 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
a8488abe 2903 if (ret) {
ad038fa8
LC		 2904 if (ret < MIN_MSIX_COUNT)
2905 goto msix_failed;
2906
7c3df132
SK		 2907 ql_log(ql_log_warn, vha, 0x00c6,
2908 "MSI-X: Failed to enable support "
2909 "-- %d/%d\n Retry with %d vectors.\n",
2910 ha->msix_count, ret, ret);
73208dfd
AC		 2911 ha->msix_count = ret;
2912 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2913 if (ret) {
ad038fa8 2914msix_failed:
7c3df132
SK		 2915 ql_log(ql_log_fatal, vha, 0x00c7,
2916 "MSI-X: Failed to enable support, "
2917 "giving up -- %d/%d.\n",
2918 ha->msix_count, ret);
73208dfd
AC		 2919 goto msix_out;
2920 }
2afa19a9 2921 ha->max_rsp_queues = ha->msix_count - 1;
73208dfd
AC		 2922 }
2923 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2924 ha->msix_count, GFP_KERNEL);
2925 if (!ha->msix_entries) {
7c3df132
SK		 2926 ql_log(ql_log_fatal, vha, 0x00c8,
2927 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 2928 ret = -ENOMEM;
a8488abe
AV		 2929 goto msix_out;
2930 }
2931 ha->flags.msix_enabled = 1;
2932
73208dfd
AC		 2933 for (i = 0; i < ha->msix_count; i++) {
2934 qentry = &ha->msix_entries[i];
2935 qentry->vector = entries[i].vector;
2936 qentry->entry = entries[i].entry;
a8488abe 2937 qentry->have_irq = 0;
73208dfd 2938 qentry->rsp = NULL;
a8488abe
AV		 2939 }
2940
2afa19a9 2941 /* Enable MSI-X vectors for the base queue */
f324777e 2942 for (i = 0; i < 2; i++) {
2afa19a9 2943 qentry = &ha->msix_entries[i];
f324777e 2944 if (IS_P3P_TYPE(ha))
a9083016
GM		 2945 ret = request_irq(qentry->vector,
2946 qla82xx_msix_entries[i].handler,
2947 0, qla82xx_msix_entries[i].name, rsp);
f324777e 2948 else
a9083016
GM		 2949 ret = request_irq(qentry->vector,
2950 msix_entries[i].handler,
2951 0, msix_entries[i].name, rsp);
f324777e
CD		 2952 if (ret)
2953 goto msix_register_fail;
2954 qentry->have_irq = 1;
2955 qentry->rsp = rsp;
2956 rsp->msix = qentry;
2957 }
2958
2959 /*
2960 * If target mode is enable, also request the vector for the ATIO
2961 * queue.
2962 */
2963 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
2964 qentry = &ha->msix_entries[ATIO_VECTOR];
2965 ret = request_irq(qentry->vector,
2966 qla83xx_msix_entries[ATIO_VECTOR].handler,
2967 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
2afa19a9
AC		 2968 qentry->have_irq = 1;
2969 qentry->rsp = rsp;
2970 rsp->msix = qentry;
73208dfd 2971 }
73208dfd 2972
f324777e
CD		 2973msix_register_fail:
2974 if (ret) {
2975 ql_log(ql_log_fatal, vha, 0x00cb,
2976 "MSI-X: unable to register handler -- %x/%d.\n",
2977 qentry->vector, ret);
2978 qla24xx_disable_msix(ha);
2979 ha->mqenable = 0;
2980 goto msix_out;
2981 }
2982
73208dfd 2983 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 2984 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1
GM		 2985 if (ha->msixbase && ha->mqiobase &&
2986 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2987 ha->mqenable = 1;
2988 } else
2989 if (ha->mqiobase
2990 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2991 ha->mqenable = 1;
7c3df132
SK		 2992 ql_dbg(ql_dbg_multiq, vha, 0xc005,
2993 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2994 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
2995 ql_dbg(ql_dbg_init, vha, 0x0055,
2996 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2997 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 2998
a8488abe 2999msix_out:
73208dfd 3000 kfree(entries);
a8488abe
AV		 3001 return ret;
3002}
3003
3004int
73208dfd 3005qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3006{
7fa3e239 3007 int ret = QLA_FUNCTION_FAILED;
f73cb695 3008 device_reg_t *reg = ha->iobase;
7c3df132 3009 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3010
3011 /* If possible, enable MSI-X. */
6246b8a1 3012 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3013 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3014 !IS_QLA27XX(ha))
6377a7ae
BH		 3015 goto skip_msi;
3016
3017 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3018 (ha->pdev->subsystem_device == 0x7040 ||
3019 ha->pdev->subsystem_device == 0x7041 ||
3020 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3021 ql_log(ql_log_warn, vha, 0x0034,
3022 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3023 ha->pdev->subsystem_vendor,
7c3df132 3024 ha->pdev->subsystem_device);
6377a7ae
BH		 3025 goto skip_msi;
3026 }
a8488abe 3027
42cd4f5d 3028 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3029 ql_log(ql_log_warn, vha, 0x0035,
3030 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3031 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3032 goto skip_msix;
3033 }
3034
73208dfd 3035 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3036 if (!ret) {
7c3df132
SK		 3037 ql_dbg(ql_dbg_init, vha, 0x0036,
3038 "MSI-X: Enabled (0x%X, 0x%X).\n",
3039 ha->chip_revision, ha->fw_attributes);
963b0fdd 3040 goto clear_risc_ints;
a8488abe 3041 }
7fa3e239 3042
a8488abe 3043skip_msix:
cbedb601 3044
7fa3e239
SC		 3045 ql_log(ql_log_info, vha, 0x0037,
3046 "Falling back-to MSI mode -%d.\n", ret);
3047
3a03eb79 3048 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3049 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3050 !IS_QLA27XX(ha))
cbedb601
AV		 3051 goto skip_msi;
3052
3053 ret = pci_enable_msi(ha->pdev);
3054 if (!ret) {
7c3df132
SK		 3055 ql_dbg(ql_dbg_init, vha, 0x0038,
3056 "MSI: Enabled.\n");
cbedb601 3057 ha->flags.msi_enabled = 1;
a9083016 3058 } else
7c3df132 3059 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3060 "Falling back-to INTa mode -- %d.\n", ret);
3061skip_msi:
a033b655
GM		 3062
3063 /* Skip INTx on ISP82xx. */
3064 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3065 return QLA_FUNCTION_FAILED;
3066
fd34f556 3067 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3068 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3069 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3070 if (ret) {
7c3df132 3071 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3072 "Failed to reserve interrupt %d already in use.\n",
3073 ha->pdev->irq);
963b0fdd 3074 goto fail;
8ae6d9c7 3075 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3076 ql_dbg(ql_dbg_init, vha, 0x0125,
3077 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3078 ha->flags.mr_intr_valid = 1;
3079 }
7992abfc 3080
963b0fdd
AV		 3081clear_risc_ints:
3082
c6952483 3083 spin_lock_irq(&ha->hardware_lock);
c1114953 3084 if (!IS_FWI2_CAPABLE(ha))
963b0fdd 3085 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3086 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3087
963b0fdd 3088fail:
a8488abe
AV		 3089 return ret;
3090}
3091
3092void
e315cd28 3093qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3094{
e315cd28 3095 struct qla_hw_data *ha = vha->hw;
9a347ff4
CD		 3096 struct rsp_que *rsp;
3097
3098 /*
3099 * We need to check that ha->rsp_q_map is valid in case we are called
3100 * from a probe failure context.
3101 */
3102 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3103 return;
3104 rsp = ha->rsp_q_map[0];
a8488abe
AV		 3105
3106 if (ha->flags.msix_enabled)
3107 qla24xx_disable_msix(ha);
90a86fc0 3108 else if (ha->flags.msi_enabled) {
e315cd28 3109 free_irq(ha->pdev->irq, rsp);
cbedb601 3110 pci_disable_msi(ha->pdev);
90a86fc0
JC		 3111 } else
3112 free_irq(ha->pdev->irq, rsp);
a8488abe 3113}
e315cd28 3114
73208dfd
AC		 3115
3116int qla25xx_request_irq(struct rsp_que *rsp)
3117{
3118 struct qla_hw_data *ha = rsp->hw;
2afa19a9 3119 struct qla_init_msix_entry *intr = &msix_entries[2];
73208dfd 3120 struct qla_msix_entry *msix = rsp->msix;
7c3df132 3121 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3122 int ret;
3123
3124 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
3125 if (ret) {
7c3df132
SK		 3126 ql_log(ql_log_fatal, vha, 0x00e6,
3127 "MSI-X: Unable to register handler -- %x/%d.\n",
3128 msix->vector, ret);
73208dfd
AC		 3129 return ret;
3130 }
3131 msix->have_irq = 1;
3132 msix->rsp = rsp;
3133 return ret;
3134}
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