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qla2xxx: Restrict max_lun to 16-bit for older HBAs
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_isr.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
bd21eaf9 3 * Copyright (c) 2003-2014 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
2d70c103 8#include "qla_target.h"
1da177e4 9
05236a05 10#include <linux/delay.h>
5a0e3ad6 11#include <linux/slab.h>
df7baa50 12#include <scsi/scsi_tcq.h>
9a069e19 13#include <scsi/scsi_bsg_fc.h>
bad75002 14#include <scsi/scsi_eh.h>
df7baa50 15
1da177e4 16static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 17static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 18static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 19static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
20 sts_entry_t *);
9a853f71 21
1da177e4
LT		 22/**
23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
24 * @irq:
25 * @dev_id: SCSI driver HA context
1da177e4
LT		 26 *
27 * Called by system whenever the host adapter generates an interrupt.
28 *
29 * Returns handled flag.
30 */
31irqreturn_t
7d12e780 32qla2100_intr_handler(int irq, void *dev_id)
1da177e4 33{
e315cd28
AC		 34 scsi_qla_host_t *vha;
35 struct qla_hw_data *ha;
3d71644c 36 struct device_reg_2xxx __iomem *reg;
1da177e4 37 int status;
1da177e4 38 unsigned long iter;
14e660e6 39 uint16_t hccr;
9a853f71 40 uint16_t mb[4];
e315cd28 41 struct rsp_que *rsp;
43fac4d9 42 unsigned long flags;
1da177e4 43
e315cd28
AC		 44 rsp = (struct rsp_que *) dev_id;
45 if (!rsp) {
3256b435
CD		 46 ql_log(ql_log_info, NULL, 0x505d,
47 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 48 return (IRQ_NONE);
49 }
50
e315cd28 51 ha = rsp->hw;
3d71644c 52 reg = &ha->iobase->isp;
1da177e4
LT		 53 status = 0;
54
43fac4d9 55 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 56 vha = pci_get_drvdata(ha->pdev);
1da177e4 57 for (iter = 50; iter--; ) {
14e660e6 58 hccr = RD_REG_WORD(&reg->hccr);
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 1500static void
faef62d1 1501qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1502{
1503 const char func[] = "TMF-IOCB";
1504 const char *type;
1505 fc_port_t *fcport;
1506 srb_t *sp;
1507 struct srb_iocb *iocb;
3822263e 1508 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1509
1510 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1511 if (!sp)
1512 return;
1513
9ba56b95
GM		 1514 iocb = &sp->u.iocb_cmd;
1515 type = sp->name;
3822263e 1516 fcport = sp->fcport;
faef62d1 1517 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1518
1519 if (sts->entry_status) {
5e19ed90 1520 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1521 "Async-%s error - hdl=%x entry-status(%x).\n",
1522 type, sp->handle, sts->entry_status);
faef62d1 1523 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
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);
faef62d1
AB		 1528 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1529 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1530 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1531 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1532 ql_log(ql_log_warn, fcport->vha, 0x503b,
1533 "Async-%s error - hdl=%x not enough response(%d).\n",
1534 type, sp->handle, sts->rsp_data_len);
1535 } else if (sts->data[3]) {
1536 ql_log(ql_log_warn, fcport->vha, 0x503c,
1537 "Async-%s error - hdl=%x response(%x).\n",
1538 type, sp->handle, sts->data[3]);
1539 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1540 }
3822263e
MI		 1541 }
1542
faef62d1 1543 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1544 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1545 (uint8_t *)sts, sizeof(*sts));
3822263e 1546
9ba56b95 1547 sp->done(vha, sp, 0);
3822263e
MI		 1548}
1549
1da177e4
LT		 1550/**
1551 * qla2x00_process_response_queue() - Process response queue entries.
1552 * @ha: SCSI driver HA context
1553 */
1554void
73208dfd 1555qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1556{
73208dfd
AC		 1557 struct scsi_qla_host *vha;
1558 struct qla_hw_data *ha = rsp->hw;
3d71644c 1559 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1560 sts_entry_t *pkt;
1561 uint16_t handle_cnt;
1562 uint16_t cnt;
73208dfd 1563
2afa19a9 1564 vha = pci_get_drvdata(ha->pdev);
1da177e4 1565
e315cd28 1566 if (!vha->flags.online)
1da177e4
LT		 1567 return;
1568
e315cd28
AC		 1569 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1570 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1571
e315cd28
AC		 1572 rsp->ring_index++;
1573 if (rsp->ring_index == rsp->length) {
1574 rsp->ring_index = 0;
1575 rsp->ring_ptr = rsp->ring;
1da177e4 1576 } else {
e315cd28 1577 rsp->ring_ptr++;
1da177e4
LT		 1578 }
1579
1580 if (pkt->entry_status != 0) {
73208dfd 1581 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1582 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1583 wmb();
1584 continue;
1585 }
1586
1587 switch (pkt->entry_type) {
1588 case STATUS_TYPE:
73208dfd 1589 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1590 break;
1591 case STATUS_TYPE_21:
1592 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1593 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1594 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1595 ((sts21_entry_t *)pkt)->handle[cnt]);
1596 }
1597 break;
1598 case STATUS_TYPE_22:
1599 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1600 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1601 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1602 ((sts22_entry_t *)pkt)->handle[cnt]);
1603 }
1604 break;
1605 case STATUS_CONT_TYPE:
2afa19a9 1606 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1607 break;
ac280b67
AV		 1608 case MBX_IOCB_TYPE:
1609 qla2x00_mbx_iocb_entry(vha, rsp->req,
1610 (struct mbx_entry *)pkt);
3822263e 1611 break;
9bc4f4fb
HZ		 1612 case CT_IOCB_TYPE:
1613 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1614 break;
1da177e4
LT		 1615 default:
1616 /* Type Not Supported. */
7c3df132
SK		 1617 ql_log(ql_log_warn, vha, 0x504a,
1618 "Received unknown response pkt type %x "
1da177e4 1619 "entry status=%x.\n",
7c3df132 1620 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1621 break;
1622 }
1623 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1624 wmb();
1625 }
1626
1627 /* Adjust ring index */
e315cd28 1628 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1629}
1630
4733fcb1 1631static inline void
5544213b 1632qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1633 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1634{
7c3df132 1635 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1636 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1637 uint32_t track_sense_len;
4733fcb1
AV		 1638
1639 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1640 sense_len = SCSI_SENSE_BUFFERSIZE;
1641
9ba56b95
GM		 1642 SET_CMD_SENSE_LEN(sp, sense_len);
1643 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1644 track_sense_len = sense_len;
1645
1646 if (sense_len > par_sense_len)
5544213b 1647 sense_len = par_sense_len;
4733fcb1
AV		 1648
1649 memcpy(cp->sense_buffer, sense_data, sense_len);
1650
9ba56b95
GM		 1651 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1652 track_sense_len -= sense_len;
1653 SET_CMD_SENSE_LEN(sp, track_sense_len);
1654
1655 if (track_sense_len != 0) {
2afa19a9 1656 rsp->status_srb = sp;
9ba56b95
GM		 1657 cp->result = res;
1658 }
4733fcb1 1659
cfb0919c
CD		 1660 if (sense_len) {
1661 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1662 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
1663 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1664 cp);
7c3df132
SK		 1665 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1666 cp->sense_buffer, sense_len);
cfb0919c 1667 }
4733fcb1
AV		 1668}
1669
bad75002
AE		 1670struct scsi_dif_tuple {
1671 __be16 guard; /* Checksum */
d6a03581 1672 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1673 __be32 ref_tag; /* Target LBA or indirect LBA */
1674};
1675
1676/*
1677 * Checks the guard or meta-data for the type of error
1678 * detected by the HBA. In case of errors, we set the
1679 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1680 * to indicate to the kernel that the HBA detected error.
1681 */
8cb2049c 1682static inline int
bad75002
AE		 1683qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1684{
7c3df132 1685 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1686 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1687 uint8_t *ap = &sts24->data[12];
1688 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1689 uint32_t e_ref_tag, a_ref_tag;
1690 uint16_t e_app_tag, a_app_tag;
1691 uint16_t e_guard, a_guard;
1692
8cb2049c
AE		 1693 /*
1694 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1695 * would make guard field appear at offset 2
1696 */
1697 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1698 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1699 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1700 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1701 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1702 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1703
7c3df132
SK		 1704 ql_dbg(ql_dbg_io, vha, 0x3023,
1705 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1706
7c3df132
SK		 1707 ql_dbg(ql_dbg_io, vha, 0x3024,
1708 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1709 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1710 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1711 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1712 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1713
8cb2049c
AE		 1714 /*
1715 * Ignore sector if:
1716 * For type 3: ref & app tag is all 'f's
1717 * For type 0,1,2: app tag is all 'f's
1718 */
1719 if ((a_app_tag == 0xffff) &&
1720 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1721 (a_ref_tag == 0xffffffff))) {
1722 uint32_t blocks_done, resid;
1723 sector_t lba_s = scsi_get_lba(cmd);
1724
1725 /* 2TB boundary case covered automatically with this */
1726 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1727
1728 resid = scsi_bufflen(cmd) - (blocks_done *
1729 cmd->device->sector_size);
1730
1731 scsi_set_resid(cmd, resid);
1732 cmd->result = DID_OK << 16;
1733
1734 /* Update protection tag */
1735 if (scsi_prot_sg_count(cmd)) {
1736 uint32_t i, j = 0, k = 0, num_ent;
1737 struct scatterlist *sg;
1738 struct sd_dif_tuple *spt;
1739
1740 /* Patch the corresponding protection tags */
1741 scsi_for_each_prot_sg(cmd, sg,
1742 scsi_prot_sg_count(cmd), i) {
1743 num_ent = sg_dma_len(sg) / 8;
1744 if (k + num_ent < blocks_done) {
1745 k += num_ent;
1746 continue;
1747 }
1748 j = blocks_done - k - 1;
1749 k = blocks_done;
1750 break;
1751 }
1752
1753 if (k != blocks_done) {
cfb0919c 1754 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1755 "unexpected tag values tag:lba=%x:%llx)\n",
1756 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1757 return 1;
1758 }
1759
1760 spt = page_address(sg_page(sg)) + sg->offset;
1761 spt += j;
1762
1763 spt->app_tag = 0xffff;
1764 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1765 spt->ref_tag = 0xffffffff;
1766 }
1767
1768 return 0;
1769 }
1770
bad75002
AE		 1771 /* check guard */
1772 if (e_guard != a_guard) {
1773 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1774 0x10, 0x1);
1775 set_driver_byte(cmd, DRIVER_SENSE);
1776 set_host_byte(cmd, DID_ABORT);
1777 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1778 return 1;
bad75002
AE		 1779 }
1780
e02587d7
AE		 1781 /* check ref tag */
1782 if (e_ref_tag != a_ref_tag) {
bad75002 1783 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1784 0x10, 0x3);
bad75002
AE		 1785 set_driver_byte(cmd, DRIVER_SENSE);
1786 set_host_byte(cmd, DID_ABORT);
1787 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1788 return 1;
bad75002
AE		 1789 }
1790
e02587d7
AE		 1791 /* check appl tag */
1792 if (e_app_tag != a_app_tag) {
bad75002 1793 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1794 0x10, 0x2);
bad75002
AE		 1795 set_driver_byte(cmd, DRIVER_SENSE);
1796 set_host_byte(cmd, DID_ABORT);
1797 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1798 return 1;
bad75002 1799 }
e02587d7 1800
8cb2049c 1801 return 1;
bad75002
AE		 1802}
1803
a9b6f722
SK		 1804static void
1805qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1806 struct req_que *req, uint32_t index)
1807{
1808 struct qla_hw_data *ha = vha->hw;
1809 srb_t *sp;
1810 uint16_t comp_status;
1811 uint16_t scsi_status;
1812 uint16_t thread_id;
1813 uint32_t rval = EXT_STATUS_OK;
1814 struct fc_bsg_job *bsg_job = NULL;
1815 sts_entry_t *sts;
1816 struct sts_entry_24xx *sts24;
1817 sts = (sts_entry_t *) pkt;
1818 sts24 = (struct sts_entry_24xx *) pkt;
1819
1820 /* Validate handle. */
8d93f550 1821 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1822 ql_log(ql_log_warn, vha, 0x70af,
1823 "Invalid SCSI completion handle 0x%x.\n", index);
1824 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1825 return;
1826 }
1827
1828 sp = req->outstanding_cmds[index];
1829 if (sp) {
1830 /* Free outstanding command slot. */
1831 req->outstanding_cmds[index] = NULL;
1832 bsg_job = sp->u.bsg_job;
1833 } else {
1834 ql_log(ql_log_warn, vha, 0x70b0,
1835 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1836 req->id, index);
1837
1838 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1839 return;
1840 }
1841
1842 if (IS_FWI2_CAPABLE(ha)) {
1843 comp_status = le16_to_cpu(sts24->comp_status);
1844 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1845 } else {
1846 comp_status = le16_to_cpu(sts->comp_status);
1847 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1848 }
1849
1850 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1851 switch (comp_status) {
1852 case CS_COMPLETE:
1853 if (scsi_status == 0) {
1854 bsg_job->reply->reply_payload_rcv_len =
1855 bsg_job->reply_payload.payload_len;
fabbb8df
JC		 1856 vha->qla_stats.input_bytes +=
1857 bsg_job->reply->reply_payload_rcv_len;
1858 vha->qla_stats.input_requests++;
a9b6f722
SK		 1859 rval = EXT_STATUS_OK;
1860 }
1861 goto done;
1862
1863 case CS_DATA_OVERRUN:
1864 ql_dbg(ql_dbg_user, vha, 0x70b1,
1865 "Command completed with date overrun thread_id=%d\n",
1866 thread_id);
1867 rval = EXT_STATUS_DATA_OVERRUN;
1868 break;
1869
1870 case CS_DATA_UNDERRUN:
1871 ql_dbg(ql_dbg_user, vha, 0x70b2,
1872 "Command completed with date underrun thread_id=%d\n",
1873 thread_id);
1874 rval = EXT_STATUS_DATA_UNDERRUN;
1875 break;
1876 case CS_BIDIR_RD_OVERRUN:
1877 ql_dbg(ql_dbg_user, vha, 0x70b3,
1878 "Command completed with read data overrun thread_id=%d\n",
1879 thread_id);
1880 rval = EXT_STATUS_DATA_OVERRUN;
1881 break;
1882
1883 case CS_BIDIR_RD_WR_OVERRUN:
1884 ql_dbg(ql_dbg_user, vha, 0x70b4,
1885 "Command completed with read and write data overrun "
1886 "thread_id=%d\n", thread_id);
1887 rval = EXT_STATUS_DATA_OVERRUN;
1888 break;
1889
1890 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1891 ql_dbg(ql_dbg_user, vha, 0x70b5,
1892 "Command completed with read data over and write data "
1893 "underrun thread_id=%d\n", thread_id);
1894 rval = EXT_STATUS_DATA_OVERRUN;
1895 break;
1896
1897 case CS_BIDIR_RD_UNDERRUN:
1898 ql_dbg(ql_dbg_user, vha, 0x70b6,
1899 "Command completed with read data data underrun "
1900 "thread_id=%d\n", thread_id);
1901 rval = EXT_STATUS_DATA_UNDERRUN;
1902 break;
1903
1904 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1905 ql_dbg(ql_dbg_user, vha, 0x70b7,
1906 "Command completed with read data under and write data "
1907 "overrun thread_id=%d\n", thread_id);
1908 rval = EXT_STATUS_DATA_UNDERRUN;
1909 break;
1910
1911 case CS_BIDIR_RD_WR_UNDERRUN:
1912 ql_dbg(ql_dbg_user, vha, 0x70b8,
1913 "Command completed with read and write data underrun "
1914 "thread_id=%d\n", thread_id);
1915 rval = EXT_STATUS_DATA_UNDERRUN;
1916 break;
1917
1918 case CS_BIDIR_DMA:
1919 ql_dbg(ql_dbg_user, vha, 0x70b9,
1920 "Command completed with data DMA error thread_id=%d\n",
1921 thread_id);
1922 rval = EXT_STATUS_DMA_ERR;
1923 break;
1924
1925 case CS_TIMEOUT:
1926 ql_dbg(ql_dbg_user, vha, 0x70ba,
1927 "Command completed with timeout thread_id=%d\n",
1928 thread_id);
1929 rval = EXT_STATUS_TIMEOUT;
1930 break;
1931 default:
1932 ql_dbg(ql_dbg_user, vha, 0x70bb,
1933 "Command completed with completion status=0x%x "
1934 "thread_id=%d\n", comp_status, thread_id);
1935 rval = EXT_STATUS_ERR;
1936 break;
1937 }
1938 bsg_job->reply->reply_payload_rcv_len = 0;
1939
1940done:
1941 /* Return the vendor specific reply to API */
1942 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1943 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1944 /* Always return DID_OK, bsg will send the vendor specific response
1945 * in this case only */
1946 sp->done(vha, sp, (DID_OK << 6));
1947
1948}
1949
1da177e4
LT		 1950/**
1951 * qla2x00_status_entry() - Process a Status IOCB entry.
1952 * @ha: SCSI driver HA context
1953 * @pkt: Entry pointer
1954 */
1955static void
73208dfd 1956qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 1957{
1da177e4 1958 srb_t *sp;
1da177e4
LT		 1959 fc_port_t *fcport;
1960 struct scsi_cmnd *cp;
9a853f71
AV		 1961 sts_entry_t *sts;
1962 struct sts_entry_24xx *sts24;
1da177e4
LT		 1963 uint16_t comp_status;
1964 uint16_t scsi_status;
b7d2280c 1965 uint16_t ox_id;
1da177e4
LT		 1966 uint8_t lscsi_status;
1967 int32_t resid;
5544213b
AV		 1968 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1969 fw_resid_len;
9a853f71 1970 uint8_t *rsp_info, *sense_data;
e315cd28 1971 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 1972 uint32_t handle;
1973 uint16_t que;
1974 struct req_que *req;
b7d2280c 1975 int logit = 1;
9ba56b95 1976 int res = 0;
a9b6f722 1977 uint16_t state_flags = 0;
9a853f71
AV		 1978
1979 sts = (sts_entry_t *) pkt;
1980 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 1981 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 1982 comp_status = le16_to_cpu(sts24->comp_status);
1983 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 1984 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 1985 } else {
1986 comp_status = le16_to_cpu(sts->comp_status);
1987 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1988 }
2afa19a9
AC		 1989 handle = (uint32_t) LSW(sts->handle);
1990 que = MSW(sts->handle);
1991 req = ha->req_q_map[que];
a9083016 1992
36008cf1
CD		 1993 /* Check for invalid queue pointer */
1994 if (req == NULL ||
1995 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
1996 ql_dbg(ql_dbg_io, vha, 0x3059,
1997 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
1998 "que=%u.\n", sts->handle, req, que);
1999 return;
2000 }
2001
1da177e4 2002 /* Validate handle. */
8d93f550 2003 if (handle < req->num_outstanding_cmds)
2afa19a9 2004 sp = req->outstanding_cmds[handle];
8d93f550 2005 else
1da177e4
LT		 2006 sp = NULL;
2007
2008 if (sp == NULL) {
cfb0919c 2009 ql_dbg(ql_dbg_io, vha, 0x3017,
7c3df132 2010 "Invalid status handle (0x%x).\n", sts->handle);
1da177e4 2011
acd3ce88
CD		 2012 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2013 if (IS_P3P_TYPE(ha))
2014 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2015 else
2016 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2017 qla2xxx_wake_dpc(vha);
2018 }
1da177e4
LT		 2019 return;
2020 }
a9b6f722
SK		 2021
2022 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2023 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2024 return;
2025 }
2026
faef62d1
AB		 2027 /* Task Management completion. */
2028 if (sp->type == SRB_TM_CMD) {
2029 qla24xx_tm_iocb_entry(vha, req, pkt);
2030 return;
2031 }
2032
a9b6f722
SK		 2033 /* Fast path completion. */
2034 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2035 qla2x00_process_completed_request(vha, req, handle);
2036
2037 return;
2038 }
2039
2040 req->outstanding_cmds[handle] = NULL;
9ba56b95 2041 cp = GET_CMD_SP(sp);
1da177e4 2042 if (cp == NULL) {
cfb0919c 2043 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2044 "Command already returned (0x%x/%p).\n",
2045 sts->handle, sp);
1da177e4
LT		 2046
2047 return;
2048 }
2049
8ae6d9c7 2050 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2051
bdf79621 2052 fcport = sp->fcport;
1da177e4 2053
b7d2280c 2054 ox_id = 0;
5544213b
AV		 2055 sense_len = par_sense_len = rsp_info_len = resid_len =
2056 fw_resid_len = 0;
e428924c 2057 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2058 if (scsi_status & SS_SENSE_LEN_VALID)
2059 sense_len = le32_to_cpu(sts24->sense_len);
2060 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2061 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2062 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2063 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2064 if (comp_status == CS_DATA_UNDERRUN)
2065 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2066 rsp_info = sts24->data;
2067 sense_data = sts24->data;
2068 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2069 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2070 par_sense_len = sizeof(sts24->data);
9a853f71 2071 } else {
0f00a206
LC		 2072 if (scsi_status & SS_SENSE_LEN_VALID)
2073 sense_len = le16_to_cpu(sts->req_sense_length);
2074 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2075 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2076 resid_len = le32_to_cpu(sts->residual_length);
2077 rsp_info = sts->rsp_info;
2078 sense_data = sts->req_sense_data;
5544213b 2079 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2080 }
2081
1da177e4
LT		 2082 /* Check for any FCP transport errors. */
2083 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2084 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2085 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2086 sense_data += rsp_info_len;
5544213b
AV		 2087 par_sense_len -= rsp_info_len;
2088 }
9a853f71 2089 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2090 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2091 "FCP I/O protocol failure (0x%x/0x%x).\n",
2092 rsp_info_len, rsp_info[3]);
1da177e4 2093
9ba56b95 2094 res = DID_BUS_BUSY << 16;
b7d2280c 2095 goto out;
1da177e4
LT		 2096 }
2097 }
2098
3e8ce320
AV		 2099 /* Check for overrun. */
2100 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2101 scsi_status & SS_RESIDUAL_OVER)
2102 comp_status = CS_DATA_OVERRUN;
2103
1da177e4
LT		 2104 /*
2105 * Based on Host and scsi status generate status code for Linux
2106 */
2107 switch (comp_status) {
2108 case CS_COMPLETE:
df7baa50 2109 case CS_QUEUE_FULL:
1da177e4 2110 if (scsi_status == 0) {
9ba56b95 2111 res = DID_OK << 16;
1da177e4
LT		 2112 break;
2113 }
2114 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2115 resid = resid_len;
385d70b4 2116 scsi_set_resid(cp, resid);
0da69df1
AV		 2117
2118 if (!lscsi_status &&
385d70b4 2119 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2120 cp->underflow)) {
5e19ed90 2121 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2122 "Mid-layer underflow "
b7d2280c 2123 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2124 resid, scsi_bufflen(cp));
0da69df1 2125
9ba56b95 2126 res = DID_ERROR << 16;
0da69df1
AV		 2127 break;
2128 }
1da177e4 2129 }
9ba56b95 2130 res = DID_OK << 16 | lscsi_status;
1da177e4 2131
df7baa50 2132 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2133 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2134 "QUEUE FULL detected.\n");
df7baa50
AV		 2135 break;
2136 }
b7d2280c 2137 logit = 0;
1da177e4
LT		 2138 if (lscsi_status != SS_CHECK_CONDITION)
2139 break;
2140
b80ca4f7 2141 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2142 if (!(scsi_status & SS_SENSE_LEN_VALID))
2143 break;
2144
5544213b 2145 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2146 rsp, res);
1da177e4
LT		 2147 break;
2148
2149 case CS_DATA_UNDERRUN:
ed17c71b 2150 /* Use F/W calculated residual length. */
0f00a206
LC		 2151 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2152 scsi_set_resid(cp, resid);
2153 if (scsi_status & SS_RESIDUAL_UNDER) {
2154 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2155 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2156 "Dropped frame(s) detected "
2157 "(0x%x of 0x%x bytes).\n",
2158 resid, scsi_bufflen(cp));
0f00a206 2159
9ba56b95 2160 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2161 goto check_scsi_status;
6acf8190 2162 }
ed17c71b 2163
0f00a206
LC		 2164 if (!lscsi_status &&
2165 ((unsigned)(scsi_bufflen(cp) - resid) <
2166 cp->underflow)) {
5e19ed90 2167 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2168 "Mid-layer underflow "
b7d2280c 2169 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2170 resid, scsi_bufflen(cp));
e038a1be 2171
9ba56b95 2172 res = DID_ERROR << 16;
0f00a206
LC		 2173 break;
2174 }
4aee5766
GM		 2175 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2176 lscsi_status != SAM_STAT_BUSY) {
2177 /*
2178 * scsi status of task set and busy are considered to be
2179 * task not completed.
2180 */
2181
5e19ed90 2182 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2183 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2184 "of 0x%x bytes).\n", resid,
2185 scsi_bufflen(cp));
0f00a206 2186
9ba56b95 2187 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2188 goto check_scsi_status;
4aee5766
GM		 2189 } else {
2190 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2191 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2192 scsi_status, lscsi_status);
1da177e4
LT		 2193 }
2194
9ba56b95 2195 res = DID_OK << 16 | lscsi_status;
b7d2280c 2196 logit = 0;
0f00a206 2197
0374f55e 2198check_scsi_status:
1da177e4 2199 /*
fa2a1ce5 2200 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2201 * Status.
2202 */
2203 if (lscsi_status != 0) {
ffec28a3 2204 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2205 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2206 "QUEUE FULL detected.\n");
b7d2280c 2207 logit = 1;
ffec28a3
AV		 2208 break;
2209 }
1da177e4
LT		 2210 if (lscsi_status != SS_CHECK_CONDITION)
2211 break;
2212
b80ca4f7 2213 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2214 if (!(scsi_status & SS_SENSE_LEN_VALID))
2215 break;
2216
5544213b 2217 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2218 sense_len, rsp, res);
1da177e4
LT		 2219 }
2220 break;
2221
1da177e4
LT		 2222 case CS_PORT_LOGGED_OUT:
2223 case CS_PORT_CONFIG_CHG:
2224 case CS_PORT_BUSY:
2225 case CS_INCOMPLETE:
2226 case CS_PORT_UNAVAILABLE:
b7d2280c 2227 case CS_TIMEOUT:
ff454b01
CD		 2228 case CS_RESET:
2229
056a4483
MC		 2230 /*
2231 * We are going to have the fc class block the rport
2232 * while we try to recover so instruct the mid layer
2233 * to requeue until the class decides how to handle this.
2234 */
9ba56b95 2235 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2236
2237 if (comp_status == CS_TIMEOUT) {
2238 if (IS_FWI2_CAPABLE(ha))
2239 break;
2240 else if ((le16_to_cpu(sts->status_flags) &
2241 SF_LOGOUT_SENT) == 0)
2242 break;
2243 }
2244
5e19ed90 2245 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
0e948975
CD		 2246 "Port to be marked lost on fcport=%02x%02x%02x, current "
2247 "port state= %s.\n", fcport->d_id.b.domain,
2248 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2249 port_state_str[atomic_read(&fcport->state)]);
b7d2280c 2250
a7a28504 2251 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2252 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2253 break;
2254
1da177e4 2255 case CS_ABORTED:
9ba56b95 2256 res = DID_RESET << 16;
1da177e4 2257 break;
bad75002
AE		 2258
2259 case CS_DIF_ERROR:
8cb2049c 2260 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2261 res = cp->result;
bad75002 2262 break;
9e522cd8
AE		 2263
2264 case CS_TRANSPORT:
2265 res = DID_ERROR << 16;
2266
2267 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2268 break;
2269
2270 if (state_flags & BIT_4)
2271 scmd_printk(KERN_WARNING, cp,
2272 "Unsupported device '%s' found.\n",
2273 cp->device->vendor);
2274 break;
2275
1da177e4 2276 default:
9ba56b95 2277 res = DID_ERROR << 16;
1da177e4
LT		 2278 break;
2279 }
2280
b7d2280c
AV		 2281out:
2282 if (logit)
5e19ed90 2283 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
7b833558
OK		 2284 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2285 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
7c3df132 2286 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
9ba56b95 2287 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2288 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2289 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2290 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
7c3df132 2291 resid_len, fw_resid_len);
b7d2280c 2292
2afa19a9 2293 if (rsp->status_srb == NULL)
9ba56b95 2294 sp->done(ha, sp, res);
1da177e4
LT		 2295}
2296
2297/**
2298 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2299 * @ha: SCSI driver HA context
2300 * @pkt: Entry pointer
2301 *
2302 * Extended sense data.
2303 */
2304static void
2afa19a9 2305qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2306{
9ba56b95 2307 uint8_t sense_sz = 0;
2afa19a9 2308 struct qla_hw_data *ha = rsp->hw;
7c3df132 2309 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2310 srb_t *sp = rsp->status_srb;
1da177e4 2311 struct scsi_cmnd *cp;
9ba56b95
GM		 2312 uint32_t sense_len;
2313 uint8_t *sense_ptr;
1da177e4 2314
9ba56b95
GM		 2315 if (!sp || !GET_CMD_SENSE_LEN(sp))
2316 return;
1da177e4 2317
9ba56b95
GM		 2318 sense_len = GET_CMD_SENSE_LEN(sp);
2319 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2320
9ba56b95
GM		 2321 cp = GET_CMD_SP(sp);
2322 if (cp == NULL) {
2323 ql_log(ql_log_warn, vha, 0x3025,
2324 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2325
9ba56b95
GM		 2326 rsp->status_srb = NULL;
2327 return;
1da177e4 2328 }
1da177e4 2329
9ba56b95
GM		 2330 if (sense_len > sizeof(pkt->data))
2331 sense_sz = sizeof(pkt->data);
2332 else
2333 sense_sz = sense_len;
c4631191 2334
9ba56b95
GM		 2335 /* Move sense data. */
2336 if (IS_FWI2_CAPABLE(ha))
2337 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2338 memcpy(sense_ptr, pkt->data, sense_sz);
2339 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2340 sense_ptr, sense_sz);
c4631191 2341
9ba56b95
GM		 2342 sense_len -= sense_sz;
2343 sense_ptr += sense_sz;
c4631191 2344
9ba56b95
GM		 2345 SET_CMD_SENSE_PTR(sp, sense_ptr);
2346 SET_CMD_SENSE_LEN(sp, sense_len);
2347
2348 /* Place command on done queue. */
2349 if (sense_len == 0) {
2350 rsp->status_srb = NULL;
2351 sp->done(ha, sp, cp->result);
c4631191 2352 }
c4631191
GM		 2353}
2354
1da177e4
LT		 2355/**
2356 * qla2x00_error_entry() - Process an error entry.
2357 * @ha: SCSI driver HA context
2358 * @pkt: Entry pointer
2359 */
2360static void
73208dfd 2361qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2362{
2363 srb_t *sp;
e315cd28 2364 struct qla_hw_data *ha = vha->hw;
c4631191 2365 const char func[] = "ERROR-IOCB";
2afa19a9 2366 uint16_t que = MSW(pkt->handle);
a6fe35c0 2367 struct req_que *req = NULL;
9ba56b95 2368 int res = DID_ERROR << 16;
7c3df132 2369
9ba56b95
GM		 2370 ql_dbg(ql_dbg_async, vha, 0x502a,
2371 "type of error status in response: 0x%x\n", pkt->entry_status);
2372
a6fe35c0
AE		 2373 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2374 goto fatal;
2375
2376 req = ha->req_q_map[que];
2377
9ba56b95
GM		 2378 if (pkt->entry_status & RF_BUSY)
2379 res = DID_BUS_BUSY << 16;
1da177e4 2380
c4631191 2381 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2382 if (sp) {
9ba56b95 2383 sp->done(ha, sp, res);
a6fe35c0 2384 return;
1da177e4 2385 }
a6fe35c0
AE		 2386fatal:
2387 ql_log(ql_log_warn, vha, 0x5030,
2388 "Error entry - invalid handle/queue.\n");
2389
7ec0effd 2390 if (IS_P3P_TYPE(ha))
a6fe35c0
AE		 2391 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2392 else
2393 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2394 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2395}
2396
9a853f71
AV		 2397/**
2398 * qla24xx_mbx_completion() - Process mailbox command completions.
2399 * @ha: SCSI driver HA context
2400 * @mb0: Mailbox0 register
2401 */
2402static void
e315cd28 2403qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2404{
2405 uint16_t cnt;
4fa94f83 2406 uint32_t mboxes;
9a853f71 2407 uint16_t __iomem *wptr;
e315cd28 2408 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2409 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2410
4fa94f83
AV		 2411 /* Read all mbox registers? */
2412 mboxes = (1 << ha->mbx_count) - 1;
2413 if (!ha->mcp)
a720101d 2414 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2415 else
2416 mboxes = ha->mcp->in_mb;
2417
9a853f71
AV		 2418 /* Load return mailbox registers. */
2419 ha->flags.mbox_int = 1;
2420 ha->mailbox_out[0] = mb0;
4fa94f83 2421 mboxes >>= 1;
9a853f71
AV		 2422 wptr = (uint16_t __iomem *)&reg->mailbox1;
2423
2424 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2425 if (mboxes & BIT_0)
2426 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2427
2428 mboxes >>= 1;
9a853f71
AV		 2429 wptr++;
2430 }
9a853f71
AV		 2431}
2432
4440e46d
AB		 2433static void
2434qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2435 struct abort_entry_24xx *pkt)
2436{
2437 const char func[] = "ABT_IOCB";
2438 srb_t *sp;
2439 struct srb_iocb *abt;
2440
2441 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2442 if (!sp)
2443 return;
2444
2445 abt = &sp->u.iocb_cmd;
2446 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2447 sp->done(vha, sp, 0);
2448}
2449
9a853f71
AV		 2450/**
2451 * qla24xx_process_response_queue() - Process response queue entries.
2452 * @ha: SCSI driver HA context
2453 */
2afa19a9
AC		 2454void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2455 struct rsp_que *rsp)
9a853f71 2456{
9a853f71 2457 struct sts_entry_24xx *pkt;
a9083016 2458 struct qla_hw_data *ha = vha->hw;
9a853f71 2459
e315cd28 2460 if (!vha->flags.online)
9a853f71
AV		 2461 return;
2462
e315cd28
AC		 2463 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2464 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2465
e315cd28
AC		 2466 rsp->ring_index++;
2467 if (rsp->ring_index == rsp->length) {
2468 rsp->ring_index = 0;
2469 rsp->ring_ptr = rsp->ring;
9a853f71 2470 } else {
e315cd28 2471 rsp->ring_ptr++;
9a853f71
AV		 2472 }
2473
2474 if (pkt->entry_status != 0) {
73208dfd 2475 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103 2476
f83adb61
QT		 2477 if (qlt_24xx_process_response_error(vha, pkt))
2478 goto process_err;
2d70c103 2479
9a853f71
AV		 2480 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2481 wmb();
2482 continue;
2483 }
f83adb61 2484process_err:
9a853f71
AV		 2485
2486 switch (pkt->entry_type) {
2487 case STATUS_TYPE:
73208dfd 2488 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2489 break;
2490 case STATUS_CONT_TYPE:
2afa19a9 2491 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2492 break;
2c3dfe3f 2493 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2494 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2495 (struct vp_rpt_id_entry_24xx *)pkt);
2496 break;
ac280b67
AV		 2497 case LOGINOUT_PORT_IOCB_TYPE:
2498 qla24xx_logio_entry(vha, rsp->req,
2499 (struct logio_entry_24xx *)pkt);
2500 break;
f83adb61 2501 case CT_IOCB_TYPE:
9a069e19 2502 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2503 break;
f83adb61 2504 case ELS_IOCB_TYPE:
9a069e19
GM		 2505 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2506 break;
2d70c103
NB		 2507 case ABTS_RECV_24XX:
2508 /* ensure that the ATIO queue is empty */
2509 qlt_24xx_process_atio_queue(vha);
2510 case ABTS_RESP_24XX:
2511 case CTIO_TYPE7:
2512 case NOTIFY_ACK_TYPE:
f83adb61 2513 case CTIO_CRC2:
2d70c103
NB		 2514 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2515 break;
54883291
SK		 2516 case MARKER_TYPE:
2517 /* Do nothing in this case, this check is to prevent it
2518 * from falling into default case
2519 */
2520 break;
4440e46d
AB		 2521 case ABORT_IOCB_TYPE:
2522 qla24xx_abort_iocb_entry(vha, rsp->req,
2523 (struct abort_entry_24xx *)pkt);
2524 break;
9a853f71
AV		 2525 default:
2526 /* Type Not Supported. */
7c3df132
SK		 2527 ql_dbg(ql_dbg_async, vha, 0x5042,
2528 "Received unknown response pkt type %x "
9a853f71 2529 "entry status=%x.\n",
7c3df132 2530 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2531 break;
2532 }
2533 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2534 wmb();
2535 }
2536
2537 /* Adjust ring index */
7ec0effd 2538 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2539 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2540 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2541 } else
2542 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2543}
2544
05236a05 2545static void
e315cd28 2546qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2547{
2548 int rval;
2549 uint32_t cnt;
e315cd28 2550 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2551 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2552
f73cb695
CD		 2553 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2554 !IS_QLA27XX(ha))
05236a05
AV		 2555 return;
2556
2557 rval = QLA_SUCCESS;
2558 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2559 RD_REG_DWORD(&reg->iobase_addr);
2560 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2561 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2562 rval == QLA_SUCCESS; cnt--) {
2563 if (cnt) {
2564 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2565 udelay(10);
2566 } else
2567 rval = QLA_FUNCTION_TIMEOUT;
2568 }
2569 if (rval == QLA_SUCCESS)
2570 goto next_test;
2571
b2ec76c5 2572 rval = QLA_SUCCESS;
05236a05
AV		 2573 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2574 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2575 rval == QLA_SUCCESS; cnt--) {
2576 if (cnt) {
2577 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2578 udelay(10);
2579 } else
2580 rval = QLA_FUNCTION_TIMEOUT;
2581 }
2582 if (rval != QLA_SUCCESS)
2583 goto done;
2584
2585next_test:
2586 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2587 ql_log(ql_log_info, vha, 0x504c,
2588 "Additional code -- 0x55AA.\n");
05236a05
AV		 2589
2590done:
2591 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2592 RD_REG_DWORD(&reg->iobase_window);
2593}
2594
9a853f71 2595/**
6246b8a1 2596 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2597 * @irq:
2598 * @dev_id: SCSI driver HA context
9a853f71
AV		 2599 *
2600 * Called by system whenever the host adapter generates an interrupt.
2601 *
2602 * Returns handled flag.
2603 */
2604irqreturn_t
7d12e780 2605qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2606{
e315cd28
AC		 2607 scsi_qla_host_t *vha;
2608 struct qla_hw_data *ha;
9a853f71
AV		 2609 struct device_reg_24xx __iomem *reg;
2610 int status;
9a853f71
AV		 2611 unsigned long iter;
2612 uint32_t stat;
2613 uint32_t hccr;
7d613ac6 2614 uint16_t mb[8];
e315cd28 2615 struct rsp_que *rsp;
43fac4d9 2616 unsigned long flags;
9a853f71 2617
e315cd28
AC		 2618 rsp = (struct rsp_que *) dev_id;
2619 if (!rsp) {
3256b435
CD		 2620 ql_log(ql_log_info, NULL, 0x5059,
2621 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2622 return IRQ_NONE;
2623 }
2624
e315cd28 2625 ha = rsp->hw;
9a853f71
AV		 2626 reg = &ha->iobase->isp24;
2627 status = 0;
2628
85880801
AV		 2629 if (unlikely(pci_channel_offline(ha->pdev)))
2630 return IRQ_HANDLED;
2631
43fac4d9 2632 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2633 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2634 for (iter = 50; iter--; ) {
2635 stat = RD_REG_DWORD(&reg->host_status);
f3ddac19
CD		 2636 if (qla2x00_check_reg_for_disconnect(vha, stat))
2637 break;
9a853f71 2638 if (stat & HSRX_RISC_PAUSED) {
85880801 2639 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2640 break;
2641
9a853f71
AV		 2642 hccr = RD_REG_DWORD(&reg->hccr);
2643
7c3df132
SK		 2644 ql_log(ql_log_warn, vha, 0x504b,
2645 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2646 hccr);
05236a05 2647
e315cd28 2648 qla2xxx_check_risc_status(vha);
05236a05 2649
e315cd28
AC		 2650 ha->isp_ops->fw_dump(vha, 1);
2651 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2652 break;
2653 } else if ((stat & HSRX_RISC_INT) == 0)
2654 break;
2655
2656 switch (stat & 0xff) {
fafbda9f
AE		 2657 case INTR_ROM_MB_SUCCESS:
2658 case INTR_ROM_MB_FAILED:
2659 case INTR_MB_SUCCESS:
2660 case INTR_MB_FAILED:
e315cd28 2661 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2662 status |= MBX_INTERRUPT;
2663
2664 break;
fafbda9f 2665 case INTR_ASYNC_EVENT:
9a853f71
AV		 2666 mb[0] = MSW(stat);
2667 mb[1] = RD_REG_WORD(&reg->mailbox1);
2668 mb[2] = RD_REG_WORD(&reg->mailbox2);
2669 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2670 qla2x00_async_event(vha, rsp, mb);
9a853f71 2671 break;
fafbda9f
AE		 2672 case INTR_RSP_QUE_UPDATE:
2673 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2674 qla24xx_process_response_queue(vha, rsp);
9a853f71 2675 break;
fafbda9f 2676 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2677 qlt_24xx_process_atio_queue(vha);
2678 break;
fafbda9f 2679 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2680 qlt_24xx_process_atio_queue(vha);
2681 qla24xx_process_response_queue(vha, rsp);
2682 break;
9a853f71 2683 default:
7c3df132
SK		 2684 ql_dbg(ql_dbg_async, vha, 0x504f,
2685 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2686 break;
2687 }
2688 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2689 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2690 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2691 ndelay(3500);
9a853f71 2692 }
36439832 2693 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2695
9a853f71
AV		 2696 return IRQ_HANDLED;
2697}
2698
a8488abe
AV		 2699static irqreturn_t
2700qla24xx_msix_rsp_q(int irq, void *dev_id)
2701{
e315cd28
AC		 2702 struct qla_hw_data *ha;
2703 struct rsp_que *rsp;
a8488abe 2704 struct device_reg_24xx __iomem *reg;
2afa19a9 2705 struct scsi_qla_host *vha;
0f19bc68 2706 unsigned long flags;
f3ddac19 2707 uint32_t stat = 0;
a8488abe 2708
e315cd28
AC		 2709 rsp = (struct rsp_que *) dev_id;
2710 if (!rsp) {
3256b435
CD		 2711 ql_log(ql_log_info, NULL, 0x505a,
2712 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2713 return IRQ_NONE;
2714 }
2715 ha = rsp->hw;
a8488abe
AV		 2716 reg = &ha->iobase->isp24;
2717
0f19bc68 2718 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2719
a67093d4 2720 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2721 /*
2722 * Use host_status register to check to PCI disconnection before we
2723 * we process the response queue.
2724 */
2725 stat = RD_REG_DWORD(&reg->host_status);
2726 if (qla2x00_check_reg_for_disconnect(vha, stat))
2727 goto out;
2afa19a9 2728 qla24xx_process_response_queue(vha, rsp);
3155754a 2729 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2730 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2731 RD_REG_DWORD_RELAXED(&reg->hccr);
2732 }
f3ddac19 2733out:
0f19bc68 2734 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2735
2736 return IRQ_HANDLED;
2737}
2738
68ca949c
AC		 2739static irqreturn_t
2740qla25xx_msix_rsp_q(int irq, void *dev_id)
2741{
2742 struct qla_hw_data *ha;
f3ddac19 2743 scsi_qla_host_t *vha;
68ca949c 2744 struct rsp_que *rsp;
3155754a 2745 struct device_reg_24xx __iomem *reg;
0f19bc68 2746 unsigned long flags;
f3ddac19 2747 uint32_t hccr = 0;
68ca949c
AC		 2748
2749 rsp = (struct rsp_que *) dev_id;
2750 if (!rsp) {
3256b435
CD		 2751 ql_log(ql_log_info, NULL, 0x505b,
2752 "%s: NULL response queue pointer.\n", __func__);
68ca949c
AC		 2753 return IRQ_NONE;
2754 }
2755 ha = rsp->hw;
f3ddac19 2756 vha = pci_get_drvdata(ha->pdev);
68ca949c 2757
3155754a 2758 /* Clear the interrupt, if enabled, for this response queue */
d424754c 2759 if (!ha->flags.disable_msix_handshake) {
3155754a 2760 reg = &ha->iobase->isp24;
0f19bc68 2761 spin_lock_irqsave(&ha->hardware_lock, flags);
3155754a 2762 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
f3ddac19 2763 hccr = RD_REG_DWORD_RELAXED(&reg->hccr);
0f19bc68 2764 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155754a 2765 }
f3ddac19
CD		 2766 if (qla2x00_check_reg_for_disconnect(vha, hccr))
2767 goto out;
68ca949c
AC		 2768 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2769
f3ddac19 2770out:
68ca949c
AC		 2771 return IRQ_HANDLED;
2772}
2773
a8488abe
AV		 2774static irqreturn_t
2775qla24xx_msix_default(int irq, void *dev_id)
2776{
e315cd28
AC		 2777 scsi_qla_host_t *vha;
2778 struct qla_hw_data *ha;
2779 struct rsp_que *rsp;
a8488abe
AV		 2780 struct device_reg_24xx __iomem *reg;
2781 int status;
a8488abe
AV		 2782 uint32_t stat;
2783 uint32_t hccr;
7d613ac6 2784 uint16_t mb[8];
0f19bc68 2785 unsigned long flags;
a8488abe 2786
e315cd28
AC		 2787 rsp = (struct rsp_que *) dev_id;
2788 if (!rsp) {
3256b435
CD		 2789 ql_log(ql_log_info, NULL, 0x505c,
2790 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2791 return IRQ_NONE;
2792 }
2793 ha = rsp->hw;
a8488abe
AV		 2794 reg = &ha->iobase->isp24;
2795 status = 0;
2796
0f19bc68 2797 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2798 vha = pci_get_drvdata(ha->pdev);
87f27015 2799 do {
a8488abe 2800 stat = RD_REG_DWORD(&reg->host_status);
f3ddac19
CD		 2801 if (qla2x00_check_reg_for_disconnect(vha, stat))
2802 break;
a8488abe 2803 if (stat & HSRX_RISC_PAUSED) {
85880801 2804 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2805 break;
2806
a8488abe
AV		 2807 hccr = RD_REG_DWORD(&reg->hccr);
2808
7c3df132
SK		 2809 ql_log(ql_log_info, vha, 0x5050,
2810 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2811 hccr);
05236a05 2812
e315cd28 2813 qla2xxx_check_risc_status(vha);
05236a05 2814
e315cd28
AC		 2815 ha->isp_ops->fw_dump(vha, 1);
2816 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2817 break;
2818 } else if ((stat & HSRX_RISC_INT) == 0)
2819 break;
2820
2821 switch (stat & 0xff) {
fafbda9f
AE		 2822 case INTR_ROM_MB_SUCCESS:
2823 case INTR_ROM_MB_FAILED:
2824 case INTR_MB_SUCCESS:
2825 case INTR_MB_FAILED:
e315cd28 2826 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2827 status |= MBX_INTERRUPT;
2828
2829 break;
fafbda9f 2830 case INTR_ASYNC_EVENT:
a8488abe
AV		 2831 mb[0] = MSW(stat);
2832 mb[1] = RD_REG_WORD(&reg->mailbox1);
2833 mb[2] = RD_REG_WORD(&reg->mailbox2);
2834 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2835 qla2x00_async_event(vha, rsp, mb);
a8488abe 2836 break;
fafbda9f
AE		 2837 case INTR_RSP_QUE_UPDATE:
2838 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2839 qla24xx_process_response_queue(vha, rsp);
a8488abe 2840 break;
fafbda9f 2841 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2842 qlt_24xx_process_atio_queue(vha);
2843 break;
fafbda9f 2844 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2845 qlt_24xx_process_atio_queue(vha);
2846 qla24xx_process_response_queue(vha, rsp);
2847 break;
a8488abe 2848 default:
7c3df132
SK		 2849 ql_dbg(ql_dbg_async, vha, 0x5051,
2850 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2851 break;
2852 }
2853 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2854 } while (0);
36439832 2855 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 2856 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 2857
a8488abe
AV		 2858 return IRQ_HANDLED;
2859}
2860
2861/* Interrupt handling helpers. */
2862
2863struct qla_init_msix_entry {
a8488abe 2864 const char *name;
476834c2 2865 irq_handler_t handler;
a8488abe
AV		 2866};
2867
68ca949c 2868static struct qla_init_msix_entry msix_entries[3] = {
2afa19a9
AC		 2869 { "qla2xxx (default)", qla24xx_msix_default },
2870 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
68ca949c 2871 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
a8488abe
AV		 2872};
2873
a9083016
GM		 2874static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2875 { "qla2xxx (default)", qla82xx_msix_default },
2876 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2877};
2878
aa230bc5
AE		 2879static struct qla_init_msix_entry qla83xx_msix_entries[3] = {
2880 { "qla2xxx (default)", qla24xx_msix_default },
2881 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
2882 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
2883};
2884
a8488abe 2885static void
e315cd28 2886qla24xx_disable_msix(struct qla_hw_data *ha)
a8488abe
AV		 2887{
2888 int i;
2889 struct qla_msix_entry *qentry;
7c3df132 2890 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe 2891
73208dfd
AC		 2892 for (i = 0; i < ha->msix_count; i++) {
2893 qentry = &ha->msix_entries[i];
a8488abe 2894 if (qentry->have_irq)
73208dfd 2895 free_irq(qentry->vector, qentry->rsp);
a8488abe
AV		 2896 }
2897 pci_disable_msix(ha->pdev);
73208dfd
AC		 2898 kfree(ha->msix_entries);
2899 ha->msix_entries = NULL;
2900 ha->flags.msix_enabled = 0;
7c3df132
SK		 2901 ql_dbg(ql_dbg_init, vha, 0x0042,
2902 "Disabled the MSI.\n");
a8488abe
AV		 2903}
2904
2905static int
73208dfd 2906qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 2907{
ad038fa8 2908#define MIN_MSIX_COUNT 2
f324777e 2909#define ATIO_VECTOR 2
a8488abe 2910 int i, ret;
73208dfd 2911 struct msix_entry *entries;
a8488abe 2912 struct qla_msix_entry *qentry;
7c3df132 2913 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2914
2915 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
a9083016 2916 GFP_KERNEL);
7c3df132
SK		 2917 if (!entries) {
2918 ql_log(ql_log_warn, vha, 0x00bc,
2919 "Failed to allocate memory for msix_entry.\n");
73208dfd 2920 return -ENOMEM;
7c3df132 2921 }
a8488abe 2922
73208dfd
AC		 2923 for (i = 0; i < ha->msix_count; i++)
2924 entries[i].entry = i;
a8488abe 2925
73208dfd 2926 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
a8488abe 2927 if (ret) {
ad038fa8
LC		 2928 if (ret < MIN_MSIX_COUNT)
2929 goto msix_failed;
2930
7c3df132
SK		 2931 ql_log(ql_log_warn, vha, 0x00c6,
2932 "MSI-X: Failed to enable support "
2933 "-- %d/%d\n Retry with %d vectors.\n",
2934 ha->msix_count, ret, ret);
73208dfd
AC		 2935 ha->msix_count = ret;
2936 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2937 if (ret) {
ad038fa8 2938msix_failed:
7c3df132
SK		 2939 ql_log(ql_log_fatal, vha, 0x00c7,
2940 "MSI-X: Failed to enable support, "
2941 "giving up -- %d/%d.\n",
2942 ha->msix_count, ret);
73208dfd
AC		 2943 goto msix_out;
2944 }
2afa19a9 2945 ha->max_rsp_queues = ha->msix_count - 1;
73208dfd
AC		 2946 }
2947 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2948 ha->msix_count, GFP_KERNEL);
2949 if (!ha->msix_entries) {
7c3df132
SK		 2950 ql_log(ql_log_fatal, vha, 0x00c8,
2951 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 2952 ret = -ENOMEM;
a8488abe
AV		 2953 goto msix_out;
2954 }
2955 ha->flags.msix_enabled = 1;
2956
73208dfd
AC		 2957 for (i = 0; i < ha->msix_count; i++) {
2958 qentry = &ha->msix_entries[i];
2959 qentry->vector = entries[i].vector;
2960 qentry->entry = entries[i].entry;
a8488abe 2961 qentry->have_irq = 0;
73208dfd 2962 qentry->rsp = NULL;
a8488abe
AV		 2963 }
2964
2afa19a9 2965 /* Enable MSI-X vectors for the base queue */
f324777e 2966 for (i = 0; i < 2; i++) {
2afa19a9 2967 qentry = &ha->msix_entries[i];
f324777e 2968 if (IS_P3P_TYPE(ha))
a9083016
GM		 2969 ret = request_irq(qentry->vector,
2970 qla82xx_msix_entries[i].handler,
2971 0, qla82xx_msix_entries[i].name, rsp);
f324777e 2972 else
a9083016
GM		 2973 ret = request_irq(qentry->vector,
2974 msix_entries[i].handler,
2975 0, msix_entries[i].name, rsp);
f324777e
CD		 2976 if (ret)
2977 goto msix_register_fail;
2978 qentry->have_irq = 1;
2979 qentry->rsp = rsp;
2980 rsp->msix = qentry;
2981 }
2982
2983 /*
2984 * If target mode is enable, also request the vector for the ATIO
2985 * queue.
2986 */
2987 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
2988 qentry = &ha->msix_entries[ATIO_VECTOR];
2989 ret = request_irq(qentry->vector,
2990 qla83xx_msix_entries[ATIO_VECTOR].handler,
2991 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
2afa19a9
AC		 2992 qentry->have_irq = 1;
2993 qentry->rsp = rsp;
2994 rsp->msix = qentry;
73208dfd 2995 }
73208dfd 2996
f324777e
CD		 2997msix_register_fail:
2998 if (ret) {
2999 ql_log(ql_log_fatal, vha, 0x00cb,
3000 "MSI-X: unable to register handler -- %x/%d.\n",
3001 qentry->vector, ret);
3002 qla24xx_disable_msix(ha);
3003 ha->mqenable = 0;
3004 goto msix_out;
3005 }
3006
73208dfd 3007 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 3008 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1
GM		 3009 if (ha->msixbase && ha->mqiobase &&
3010 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3011 ha->mqenable = 1;
3012 } else
3013 if (ha->mqiobase
3014 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
3015 ha->mqenable = 1;
7c3df132
SK		 3016 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3017 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3018 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3019 ql_dbg(ql_dbg_init, vha, 0x0055,
3020 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3021 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3022
a8488abe 3023msix_out:
73208dfd 3024 kfree(entries);
a8488abe
AV		 3025 return ret;
3026}
3027
3028int
73208dfd 3029qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3030{
7fa3e239 3031 int ret = QLA_FUNCTION_FAILED;
f73cb695 3032 device_reg_t *reg = ha->iobase;
7c3df132 3033 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3034
3035 /* If possible, enable MSI-X. */
6246b8a1 3036 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3037 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3038 !IS_QLA27XX(ha))
6377a7ae
BH		 3039 goto skip_msi;
3040
3041 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3042 (ha->pdev->subsystem_device == 0x7040 ||
3043 ha->pdev->subsystem_device == 0x7041 ||
3044 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3045 ql_log(ql_log_warn, vha, 0x0034,
3046 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3047 ha->pdev->subsystem_vendor,
7c3df132 3048 ha->pdev->subsystem_device);
6377a7ae
BH		 3049 goto skip_msi;
3050 }
a8488abe 3051
42cd4f5d 3052 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3053 ql_log(ql_log_warn, vha, 0x0035,
3054 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3055 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3056 goto skip_msix;
3057 }
3058
73208dfd 3059 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3060 if (!ret) {
7c3df132
SK		 3061 ql_dbg(ql_dbg_init, vha, 0x0036,
3062 "MSI-X: Enabled (0x%X, 0x%X).\n",
3063 ha->chip_revision, ha->fw_attributes);
963b0fdd 3064 goto clear_risc_ints;
a8488abe 3065 }
7fa3e239 3066
a8488abe 3067skip_msix:
cbedb601 3068
7fa3e239
SC		 3069 ql_log(ql_log_info, vha, 0x0037,
3070 "Falling back-to MSI mode -%d.\n", ret);
3071
3a03eb79 3072 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3073 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3074 !IS_QLA27XX(ha))
cbedb601
AV		 3075 goto skip_msi;
3076
3077 ret = pci_enable_msi(ha->pdev);
3078 if (!ret) {
7c3df132
SK		 3079 ql_dbg(ql_dbg_init, vha, 0x0038,
3080 "MSI: Enabled.\n");
cbedb601 3081 ha->flags.msi_enabled = 1;
a9083016 3082 } else
7c3df132 3083 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3084 "Falling back-to INTa mode -- %d.\n", ret);
3085skip_msi:
a033b655
GM		 3086
3087 /* Skip INTx on ISP82xx. */
3088 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3089 return QLA_FUNCTION_FAILED;
3090
fd34f556 3091 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3092 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3093 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3094 if (ret) {
7c3df132 3095 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3096 "Failed to reserve interrupt %d already in use.\n",
3097 ha->pdev->irq);
963b0fdd 3098 goto fail;
8ae6d9c7 3099 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3100 ql_dbg(ql_dbg_init, vha, 0x0125,
3101 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3102 ha->flags.mr_intr_valid = 1;
3103 }
7992abfc 3104
963b0fdd
AV		 3105clear_risc_ints:
3106
c6952483 3107 spin_lock_irq(&ha->hardware_lock);
c1114953 3108 if (!IS_FWI2_CAPABLE(ha))
963b0fdd 3109 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3110 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3111
963b0fdd 3112fail:
a8488abe
AV		 3113 return ret;
3114}
3115
3116void
e315cd28 3117qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3118{
e315cd28 3119 struct qla_hw_data *ha = vha->hw;
9a347ff4
CD		 3120 struct rsp_que *rsp;
3121
3122 /*
3123 * We need to check that ha->rsp_q_map is valid in case we are called
3124 * from a probe failure context.
3125 */
3126 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3127 return;
3128 rsp = ha->rsp_q_map[0];
a8488abe
AV		 3129
3130 if (ha->flags.msix_enabled)
3131 qla24xx_disable_msix(ha);
90a86fc0 3132 else if (ha->flags.msi_enabled) {
e315cd28 3133 free_irq(ha->pdev->irq, rsp);
cbedb601 3134 pci_disable_msi(ha->pdev);
90a86fc0
JC		 3135 } else
3136 free_irq(ha->pdev->irq, rsp);
a8488abe 3137}
e315cd28 3138
73208dfd
AC		 3139
3140int qla25xx_request_irq(struct rsp_que *rsp)
3141{
3142 struct qla_hw_data *ha = rsp->hw;
2afa19a9 3143 struct qla_init_msix_entry *intr = &msix_entries[2];
73208dfd 3144 struct qla_msix_entry *msix = rsp->msix;
7c3df132 3145 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3146 int ret;
3147
3148 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
3149 if (ret) {
7c3df132
SK		 3150 ql_log(ql_log_fatal, vha, 0x00e6,
3151 "MSI-X: Unable to register handler -- %x/%d.\n",
3152 msix->vector, ret);
73208dfd
AC		 3153 return ret;
3154 }
3155 msix->have_irq = 1;
3156 msix->rsp = rsp;
3157 return ret;
3158}
Linux 6.x block layer and io_uring tree(s)