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scsi: qla2xxx: Fix response queue count for Target mode.
[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>
09ce66ae 12#include <linux/t10-pi.h>
df7baa50 13#include <scsi/scsi_tcq.h>
9a069e19 14#include <scsi/scsi_bsg_fc.h>
bad75002 15#include <scsi/scsi_eh.h>
df7baa50 16
1da177e4 17static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 18static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 19static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 20static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
21 sts_entry_t *);
9a853f71 22
1da177e4
LT		 23/**
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @irq:
26 * @dev_id: SCSI driver HA context
1da177e4
LT		 27 *
28 * Called by system whenever the host adapter generates an interrupt.
29 *
30 * Returns handled flag.
31 */
32irqreturn_t
7d12e780 33qla2100_intr_handler(int irq, void *dev_id)
1da177e4 34{
e315cd28
AC		 35 scsi_qla_host_t *vha;
36 struct qla_hw_data *ha;
3d71644c 37 struct device_reg_2xxx __iomem *reg;
1da177e4 38 int status;
1da177e4 39 unsigned long iter;
14e660e6 40 uint16_t hccr;
9a853f71 41 uint16_t mb[4];
e315cd28 42 struct rsp_que *rsp;
43fac4d9 43 unsigned long flags;
1da177e4 44
e315cd28
AC		 45 rsp = (struct rsp_que *) dev_id;
46 if (!rsp) {
3256b435
CD		 47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 49 return (IRQ_NONE);
50 }
51
e315cd28 52 ha = rsp->hw;
3d71644c 53 reg = &ha->iobase->isp;
1da177e4
LT		 54 status = 0;
55
43fac4d9 56 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 57 vha = pci_get_drvdata(ha->pdev);
1da177e4 58 for (iter = 50; iter--; ) {
14e660e6 59 hccr = RD_REG_WORD(&reg->hccr);
c821e0d5 60 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
f3ddac19 61 break;
14e660e6
SJ		 62 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
64 break;
65
66 /*
67 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 68 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 69 * out of the RISC PAUSED state.
70 */
71 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(&reg->hccr);
73
e315cd28
AC		 74 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 76 break;
77 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 78 break;
79
80 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
81 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(&reg->hccr);
83
84 /* Get mailbox data. */
9a853f71
AV		 85 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 87 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 88 status |= MBX_INTERRUPT;
9a853f71
AV		 89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 93 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 94 } else {
95 /*EMPTY*/
7c3df132
SK		 96 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
98 mb[0]);
1da177e4
LT		 99 }
100 /* Release mailbox registers. */
101 WRT_REG_WORD(&reg->semaphore, 0);
102 RD_REG_WORD(&reg->semaphore);
103 } else {
73208dfd 104 qla2x00_process_response_queue(rsp);
1da177e4
LT		 105
106 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(&reg->hccr);
108 }
109 }
36439832 110 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 112
1da177e4
LT		 113 return (IRQ_HANDLED);
114}
115
f3ddac19 116bool
c821e0d5 117qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
f3ddac19
CD		 118{
119 /* Check for PCI disconnection */
a30c2a3b 120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
beb9e315 121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
6b383979
JL		 122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
232792b6
JL		 124 /*
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
128 */
129 schedule_work(&vha->hw->board_disable);
130 }
f3ddac19
CD		 131 return true;
132 } else
133 return false;
134}
135
c821e0d5
JL		 136bool
137qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
138{
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
140}
141
1da177e4
LT		 142/**
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
144 * @irq:
145 * @dev_id: SCSI driver HA context
1da177e4
LT		 146 *
147 * Called by system whenever the host adapter generates an interrupt.
148 *
149 * Returns handled flag.
150 */
151irqreturn_t
7d12e780 152qla2300_intr_handler(int irq, void *dev_id)
1da177e4 153{
e315cd28 154 scsi_qla_host_t *vha;
3d71644c 155 struct device_reg_2xxx __iomem *reg;
1da177e4 156 int status;
1da177e4
LT		 157 unsigned long iter;
158 uint32_t stat;
1da177e4 159 uint16_t hccr;
9a853f71 160 uint16_t mb[4];
e315cd28
AC		 161 struct rsp_que *rsp;
162 struct qla_hw_data *ha;
43fac4d9 163 unsigned long flags;
1da177e4 164
e315cd28
AC		 165 rsp = (struct rsp_que *) dev_id;
166 if (!rsp) {
3256b435
CD		 167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 169 return (IRQ_NONE);
170 }
171
e315cd28 172 ha = rsp->hw;
3d71644c 173 reg = &ha->iobase->isp;
1da177e4
LT		 174 status = 0;
175
43fac4d9 176 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 177 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
c821e0d5 180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 181 break;
1da177e4 182 if (stat & HSR_RISC_PAUSED) {
85880801 183 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 184 break;
185
1da177e4 186 hccr = RD_REG_WORD(&reg->hccr);
f3ddac19 187
1da177e4 188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
1da177e4 192 else
7c3df132
SK		 193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
1da177e4
LT		 196
197 /*
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
a06a0f8e 200 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 201 */
202 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(&reg->hccr);
07f31805 204
e315cd28
AC		 205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 207 break;
208 } else if ((stat & HSR_RISC_INT) == 0)
209 break;
210
1da177e4 211 switch (stat & 0xff) {
1da177e4
LT		 212 case 0x1:
213 case 0x2:
214 case 0x10:
215 case 0x11:
e315cd28 216 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 217 status |= MBX_INTERRUPT;
218
219 /* Release mailbox registers. */
220 WRT_REG_WORD(&reg->semaphore, 0);
221 break;
222 case 0x12:
9a853f71
AV		 223 mb[0] = MSW(stat);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 227 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 228 break;
229 case 0x13:
73208dfd 230 qla2x00_process_response_queue(rsp);
1da177e4
LT		 231 break;
232 case 0x15:
9a853f71
AV		 233 mb[0] = MBA_CMPLT_1_16BIT;
234 mb[1] = MSW(stat);
73208dfd 235 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 236 break;
237 case 0x16:
9a853f71
AV		 238 mb[0] = MBA_SCSI_COMPLETION;
239 mb[1] = MSW(stat);
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 241 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 242 break;
243 default:
7c3df132
SK		 244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 246 break;
247 }
248 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(&reg->hccr);
250 }
36439832 251 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 253
1da177e4
LT		 254 return (IRQ_HANDLED);
255}
256
257/**
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
261 */
262static void
e315cd28 263qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 264{
265 uint16_t cnt;
4fa94f83 266 uint32_t mboxes;
1da177e4 267 uint16_t __iomem *wptr;
e315cd28 268 struct qla_hw_data *ha = vha->hw;
3d71644c 269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 270
4fa94f83
AV		 271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
273 if (!ha->mcp)
a720101d 274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 275 else
276 mboxes = ha->mcp->in_mb;
277
1da177e4
LT		 278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
4fa94f83 281 mboxes >>= 1;
1da177e4
LT		 282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
283
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 285 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 289 else if (mboxes & BIT_0)
1da177e4 290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 291
1da177e4 292 wptr++;
4fa94f83 293 mboxes >>= 1;
1da177e4 294 }
1da177e4
LT		 295}
296
8a659571
AV		 297static void
298qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
299{
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
302 int rval;
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
9e5054ec 304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
8a659571
AV		 305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
307
308 /* Seed data -- mailbox1 -> mailbox7. */
9e5054ec
CD		 309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)&reg24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
313 else
314 return;
315
8a659571
AV		 316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
318
7c3df132 319 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 320 "Inter-Driver Communication %s -- "
7c3df132
SK		 321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
454073c9
SV		 324 switch (aen) {
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
327 if (mb[1] >> 15) {
328 vha->hw->flags.idc_compl_status = 1;
9aaf2cea 329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
454073c9
SV		 330 complete(&vha->hw->dcbx_comp);
331 }
332 break;
333
334 case MBA_IDC_NOTIFY:
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
340
341 if (!timeout)
342 return;
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
347 break;
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
354 break;
bf5b8ad7 355 }
8a659571
AV		 356}
357
daae62a3 358#define LS_UNKNOWN 2
d0297c9a
JC		 359const char *
360qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 361{
f73cb695
CD		 362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
d0297c9a 364 };
f73cb695 365#define QLA_LAST_SPEED 7
daae62a3
CD		 366
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 368 return link_speeds[0];
369 else if (speed == 0x13)
f73cb695
CD		 370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
d0297c9a
JC		 372 return link_speeds[speed];
373 else
374 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 375}
376
fa492630 377static void
7d613ac6
SV		 378qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
379{
380 struct qla_hw_data *ha = vha->hw;
381
382 /*
383 * 8200 AEN Interpretation:
384 * mb[0] = AEN code
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
392 */
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
399
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
405
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
408
409 /*
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
421 */
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
435 "iteself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 533 if (ha->flags.nic_core_reset_owner)
534 return;
7d613ac6
SV		 535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537}
538
bb4cf5b7
CD		 539int
540qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541{
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562}
563
17cac3a1
JC		 564static inline fc_port_t *
565qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566{
567 fc_port_t *fcport;
568
569 list_for_each_entry(fcport, &vha->vp_fcports, list)
570 if (fcport->loop_id == loop_id)
571 return fcport;
572 return NULL;
573}
574
1da177e4
LT		 575/**
576 * qla2x00_async_event() - Process aynchronous events.
577 * @ha: SCSI driver HA context
9a853f71 578 * @mb: Mailbox registers (0 - 3)
1da177e4 579 */
2c3dfe3f 580void
73208dfd 581qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 582{
1da177e4 583 uint16_t handle_cnt;
bdab23da 584 uint16_t cnt, mbx;
1da177e4 585 uint32_t handles[5];
e315cd28 586 struct qla_hw_data *ha = vha->hw;
3d71644c 587 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 588 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 589 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
52c82823 590 uint32_t rscn_entry, host_pid;
4d4df193 591 unsigned long flags;
ef86cb20 592 fc_port_t *fcport = NULL;
1da177e4
LT		 593
594 /* Setup to process RIO completion. */
595 handle_cnt = 0;
6246b8a1 596 if (IS_CNA_CAPABLE(ha))
3a03eb79 597 goto skip_rio;
1da177e4
LT		 598 switch (mb[0]) {
599 case MBA_SCSI_COMPLETION:
9a853f71 600 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 601 handle_cnt = 1;
602 break;
603 case MBA_CMPLT_1_16BIT:
9a853f71 604 handles[0] = mb[1];
1da177e4
LT		 605 handle_cnt = 1;
606 mb[0] = MBA_SCSI_COMPLETION;
607 break;
608 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 609 handles[0] = mb[1];
610 handles[1] = mb[2];
1da177e4
LT		 611 handle_cnt = 2;
612 mb[0] = MBA_SCSI_COMPLETION;
613 break;
614 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 615 handles[0] = mb[1];
616 handles[1] = mb[2];
617 handles[2] = mb[3];
1da177e4
LT		 618 handle_cnt = 3;
619 mb[0] = MBA_SCSI_COMPLETION;
620 break;
621 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 622 handles[0] = mb[1];
623 handles[1] = mb[2];
624 handles[2] = mb[3];
1da177e4
LT		 625 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
626 handle_cnt = 4;
627 mb[0] = MBA_SCSI_COMPLETION;
628 break;
629 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 630 handles[0] = mb[1];
631 handles[1] = mb[2];
632 handles[2] = mb[3];
1da177e4
LT		 633 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
634 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
635 handle_cnt = 5;
636 mb[0] = MBA_SCSI_COMPLETION;
637 break;
638 case MBA_CMPLT_2_32BIT:
9a853f71 639 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 640 handles[1] = le32_to_cpu(
641 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
642 RD_MAILBOX_REG(ha, reg, 6));
643 handle_cnt = 2;
644 mb[0] = MBA_SCSI_COMPLETION;
645 break;
646 default:
647 break;
648 }
3a03eb79 649skip_rio:
1da177e4
LT		 650 switch (mb[0]) {
651 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 652 if (!vha->flags.online)
1da177e4
LT		 653 break;
654
655 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 656 qla2x00_process_completed_request(vha, rsp->req,
657 handles[cnt]);
1da177e4
LT		 658 break;
659
660 case MBA_RESET: /* Reset */
7c3df132
SK		 661 ql_dbg(ql_dbg_async, vha, 0x5002,
662 "Asynchronous RESET.\n");
1da177e4 663
e315cd28 664 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 665 break;
666
667 case MBA_SYSTEM_ERR: /* System Error */
f73cb695 668 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
6246b8a1 669 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 670 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 671 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
672 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 673
e315cd28 674 ha->isp_ops->fw_dump(vha, 1);
1da177e4 675
e428924c 676 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 677 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 678 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 679 "Unrecoverable Hardware Error: adapter "
680 "marked OFFLINE!\n");
e315cd28 681 vha->flags.online = 0;
6246b8a1 682 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 683 } else {
25985edc 684 /* Check to see if MPI timeout occurred */
f73cb695 685 if ((mbx & MBX_3) && (ha->port_no == 0))
b1d46989
MI		 686 set_bit(MPI_RESET_NEEDED,
687 &vha->dpc_flags);
688
e315cd28 689 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 690 }
9a853f71 691 } else if (mb[1] == 0) {
7c3df132 692 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 693 "Unrecoverable Hardware Error: adapter marked "
694 "OFFLINE!\n");
e315cd28 695 vha->flags.online = 0;
6246b8a1 696 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 697 } else
e315cd28 698 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 699 break;
700
701 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 702 ql_log(ql_log_warn, vha, 0x5006,
703 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 704
e315cd28 705 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 706 break;
707
708 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132 709 ql_log(ql_log_warn, vha, 0x5007,
41233cd3 710 "ISP Response Transfer Error (%x).\n", mb[1]);
1da177e4 711
e315cd28 712 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 713 break;
714
715 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132 716 ql_dbg(ql_dbg_async, vha, 0x5008,
41233cd3
JC		 717 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
718 break;
1da177e4 719
41233cd3 720 case MBA_LOOP_INIT_ERR:
75d560e0 721 ql_log(ql_log_warn, vha, 0x5090,
41233cd3
JC		 722 "LOOP INIT ERROR (%x).\n", mb[1]);
723 ha->isp_ops->fw_dump(vha, 1);
724 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2d70c103 725 break;
41233cd3 726
1da177e4 727 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 728 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 729 "LIP occurred (%x).\n", mb[1]);
1da177e4 730
e315cd28
AC		 731 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
732 atomic_set(&vha->loop_state, LOOP_DOWN);
733 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
734 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 735 }
736
e315cd28
AC		 737 if (vha->vp_idx) {
738 atomic_set(&vha->vp_state, VP_FAILED);
739 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 740 }
741
e315cd28
AC		 742 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
743 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 744
e315cd28
AC		 745 vha->flags.management_server_logged_in = 0;
746 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 747 break;
748
749 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 750 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 751 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 752 else
1da177e4 753 ha->link_data_rate = mb[1];
1da177e4 754
8e5a9484 755 ql_log(ql_log_info, vha, 0x500a,
daae62a3 756 "LOOP UP detected (%s Gbps).\n",
d0297c9a 757 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 758
e315cd28
AC		 759 vha->flags.management_server_logged_in = 0;
760 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 761 break;
762
763 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 764 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
765 ? RD_REG_WORD(&reg24->mailbox4) : 0;
7ec0effd
AD		 766 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
767 : mbx;
8e5a9484 768 ql_log(ql_log_info, vha, 0x500b,
7c3df132
SK		 769 "LOOP DOWN detected (%x %x %x %x).\n",
770 mb[1], mb[2], mb[3], mbx);
1da177e4 771
e315cd28
AC		 772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
773 atomic_set(&vha->loop_state, LOOP_DOWN);
774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2486c627
HM		 775 /*
776 * In case of loop down, restore WWPN from
777 * NVRAM in case of FA-WWPN capable ISP
718abbdc 778 * Restore for Physical Port only
2486c627 779 */
718abbdc
SC		 780 if (!vha->vp_idx) {
781 if (ha->flags.fawwpn_enabled) {
782 void *wwpn = ha->init_cb->port_name;
783 memcpy(vha->port_name, wwpn, WWN_SIZE);
784 fc_host_port_name(vha->host) =
785 wwn_to_u64(vha->port_name);
786 ql_dbg(ql_dbg_init + ql_dbg_verbose,
787 vha, 0x0144, "LOOP DOWN detected,"
788 "restore WWPN %016llx\n",
789 wwn_to_u64(vha->port_name));
790 }
791
792 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
2486c627
HM		 793 }
794
e315cd28
AC		 795 vha->device_flags |= DFLG_NO_CABLE;
796 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 797 }
798
e315cd28
AC		 799 if (vha->vp_idx) {
800 atomic_set(&vha->vp_state, VP_FAILED);
801 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 802 }
803
e315cd28 804 vha->flags.management_server_logged_in = 0;
d8b45213 805 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 806 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 807 break;
808
809 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 810 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 811 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 812
e315cd28
AC		 813 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
814 atomic_set(&vha->loop_state, LOOP_DOWN);
815 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
816 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 817 }
818
e315cd28
AC		 819 if (vha->vp_idx) {
820 atomic_set(&vha->vp_state, VP_FAILED);
821 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 822 }
823
e315cd28 824 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 825
826 ha->operating_mode = LOOP;
e315cd28
AC		 827 vha->flags.management_server_logged_in = 0;
828 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 829 break;
830
3a03eb79 831 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 832 case MBA_POINT_TO_POINT: /* Point-to-Point */
833 if (IS_QLA2100(ha))
834 break;
835
7ec0effd 836 if (IS_CNA_CAPABLE(ha)) {
7c3df132
SK		 837 ql_dbg(ql_dbg_async, vha, 0x500d,
838 "DCBX Completed -- %04x %04x %04x.\n",
839 mb[1], mb[2], mb[3]);
9aaf2cea 840 if (ha->notify_dcbx_comp && !vha->vp_idx)
23f2ebd1
SR		 841 complete(&ha->dcbx_comp);
842
843 } else
7c3df132
SK		 844 ql_dbg(ql_dbg_async, vha, 0x500e,
845 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 846
847 /*
848 * Until there's a transition from loop down to loop up, treat
849 * this as loop down only.
850 */
e315cd28
AC		 851 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
852 atomic_set(&vha->loop_state, LOOP_DOWN);
853 if (!atomic_read(&vha->loop_down_timer))
854 atomic_set(&vha->loop_down_timer,
1da177e4 855 LOOP_DOWN_TIME);
e315cd28 856 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 857 }
858
e315cd28
AC		 859 if (vha->vp_idx) {
860 atomic_set(&vha->vp_state, VP_FAILED);
861 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 862 }
863
e315cd28
AC		 864 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
865 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
866
867 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
868 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 869
870 ha->flags.gpsc_supported = 1;
e315cd28 871 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 872 break;
873
874 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
875 if (IS_QLA2100(ha))
876 break;
877
cfb0919c 878 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 879 "Configuration change detected: value=%x.\n", mb[1]);
880
e315cd28
AC		 881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
882 atomic_set(&vha->loop_state, LOOP_DOWN);
883 if (!atomic_read(&vha->loop_down_timer))
884 atomic_set(&vha->loop_down_timer,
1da177e4 885 LOOP_DOWN_TIME);
e315cd28 886 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 887 }
888
e315cd28
AC		 889 if (vha->vp_idx) {
890 atomic_set(&vha->vp_state, VP_FAILED);
891 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 892 }
893
e315cd28
AC		 894 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
895 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 896 break;
897
898 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 899 /*
900 * Handle only global and vn-port update events
901 *
902 * Relevant inputs:
903 * mb[1] = N_Port handle of changed port
904 * OR 0xffff for global event
905 * mb[2] = New login state
906 * 7 = Port logged out
907 * mb[3] = LSB is vp_idx, 0xff = all vps
908 *
909 * Skip processing if:
910 * Event is global, vp_idx is NOT all vps,
911 * vp_idx does not match
912 * Event is not global, vp_idx does not match
913 */
12cec63e
AV		 914 if (IS_QLA2XXX_MIDTYPE(ha) &&
915 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
916 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
917 break;
73208dfd 918
17cac3a1 919 if (mb[2] == 0x7) {
7c3df132 920 ql_dbg(ql_dbg_async, vha, 0x5010,
17cac3a1
JC		 921 "Port %s %04x %04x %04x.\n",
922 mb[1] == 0xffff ? "unavailable" : "logout",
7c3df132 923 mb[1], mb[2], mb[3]);
17cac3a1
JC		 924
925 if (mb[1] == 0xffff)
926 goto global_port_update;
927
928 /* Port logout */
929 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
930 if (!fcport)
931 break;
932 if (atomic_read(&fcport->state) != FCS_ONLINE)
933 break;
934 ql_dbg(ql_dbg_async, vha, 0x508a,
935 "Marking port lost loopid=%04x portid=%06x.\n",
936 fcport->loop_id, fcport->d_id.b24);
937 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
938 break;
939
940global_port_update:
9764ff88
AV		 941 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
942 atomic_set(&vha->loop_state, LOOP_DOWN);
943 atomic_set(&vha->loop_down_timer,
944 LOOP_DOWN_TIME);
945 vha->device_flags |= DFLG_NO_CABLE;
946 qla2x00_mark_all_devices_lost(vha, 1);
947 }
948
949 if (vha->vp_idx) {
950 atomic_set(&vha->vp_state, VP_FAILED);
951 fc_vport_set_state(vha->fc_vport,
952 FC_VPORT_FAILED);
faadc5e7 953 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 954 }
955
956 vha->flags.management_server_logged_in = 0;
957 ha->link_data_rate = PORT_SPEED_UNKNOWN;
958 break;
959 }
960
1da177e4 961 /*
cc3ef7bc 962 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 963 * event etc. earlier indicating loop is down) then process
964 * it. Otherwise ignore it and Wait for RSCN to come in.
965 */
e315cd28 966 atomic_set(&vha->loop_down_timer, 0);
8e5a9484
CD		 967 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
968 atomic_read(&vha->loop_state) != LOOP_DEAD) {
7c3df132
SK		 969 ql_dbg(ql_dbg_async, vha, 0x5011,
970 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
971 mb[1], mb[2], mb[3]);
2d70c103
NB		 972
973 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 974 break;
975 }
976
7c3df132
SK		 977 ql_dbg(ql_dbg_async, vha, 0x5012,
978 "Port database changed %04x %04x %04x.\n",
979 mb[1], mb[2], mb[3]);
1da177e4
LT		 980
981 /*
982 * Mark all devices as missing so we will login again.
983 */
e315cd28 984 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 985
e315cd28 986 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 987
2d70c103
NB		 988 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
989 set_bit(SCR_PENDING, &vha->dpc_flags);
990
e315cd28
AC		 991 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
992 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
ded6411f 993 set_bit(VP_CONFIG_OK, &vha->vp_flags);
2d70c103
NB		 994
995 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 996 break;
997
998 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 999 /* Check if the Vport has issued a SCR */
e315cd28 1000 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 1001 break;
1002 /* Only handle SCNs for our Vport index. */
0d6e61bc 1003 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 1004 break;
0d6e61bc 1005
7c3df132
SK		 1006 ql_dbg(ql_dbg_async, vha, 0x5013,
1007 "RSCN database changed -- %04x %04x %04x.\n",
1008 mb[1], mb[2], mb[3]);
1da177e4 1009
59d72d87 1010 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 1011 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1012 | vha->d_id.b.al_pa;
1da177e4 1013 if (rscn_entry == host_pid) {
7c3df132
SK		 1014 ql_dbg(ql_dbg_async, vha, 0x5014,
1015 "Ignoring RSCN update to local host "
1016 "port ID (%06x).\n", host_pid);
1da177e4
LT		 1017 break;
1018 }
1019
59d72d87
RA		 1020 /* Ignore reserved bits from RSCN-payload. */
1021 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 1022
bb4cf5b7
CD		 1023 /* Skip RSCNs for virtual ports on the same physical port */
1024 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1025 break;
1026
ef86cb20
CD		 1027 /*
1028 * Search for the rport related to this RSCN entry and mark it
1029 * as lost.
1030 */
1031 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1032 if (atomic_read(&fcport->state) != FCS_ONLINE)
1033 continue;
ef86cb20
CD		 1034 if (fcport->d_id.b24 == rscn_entry) {
1035 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1036 break;
1037 }
1038 }
1039
e315cd28
AC		 1040 atomic_set(&vha->loop_down_timer, 0);
1041 vha->flags.management_server_logged_in = 0;
1da177e4 1042
e315cd28
AC		 1043 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1044 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1045 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 1046 break;
1047
1048 /* case MBA_RIO_RESPONSE: */
1049 case MBA_ZIO_RESPONSE:
7c3df132
SK		 1050 ql_dbg(ql_dbg_async, vha, 0x5015,
1051 "[R|Z]IO update completion.\n");
1da177e4 1052
e428924c 1053 if (IS_FWI2_CAPABLE(ha))
2afa19a9 1054 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 1055 else
73208dfd 1056 qla2x00_process_response_queue(rsp);
1da177e4 1057 break;
9a853f71
AV		 1058
1059 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 1060 ql_dbg(ql_dbg_async, vha, 0x5016,
1061 "Discard RND Frame -- %04x %04x %04x.\n",
1062 mb[1], mb[2], mb[3]);
9a853f71 1063 break;
45ebeb56
AV		 1064
1065 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 1066 ql_dbg(ql_dbg_async, vha, 0x5017,
1067 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 1068 break;
4d4df193
HK		 1069
1070 case MBA_ISP84XX_ALERT:
7c3df132
SK		 1071 ql_dbg(ql_dbg_async, vha, 0x5018,
1072 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1073 mb[1], mb[2], mb[3]);
4d4df193
HK		 1074
1075 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1076 switch (mb[1]) {
1077 case A84_PANIC_RECOVERY:
7c3df132
SK		 1078 ql_log(ql_log_info, vha, 0x5019,
1079 "Alert 84XX: panic recovery %04x %04x.\n",
1080 mb[2], mb[3]);
4d4df193
HK		 1081 break;
1082 case A84_OP_LOGIN_COMPLETE:
1083 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1084 ql_log(ql_log_info, vha, 0x501a,
1085 "Alert 84XX: firmware version %x.\n",
1086 ha->cs84xx->op_fw_version);
4d4df193
HK		 1087 break;
1088 case A84_DIAG_LOGIN_COMPLETE:
1089 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 1090 ql_log(ql_log_info, vha, 0x501b,
1091 "Alert 84XX: diagnostic firmware version %x.\n",
1092 ha->cs84xx->diag_fw_version);
4d4df193
HK		 1093 break;
1094 case A84_GOLD_LOGIN_COMPLETE:
1095 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1096 ha->cs84xx->fw_update = 1;
7c3df132
SK		 1097 ql_log(ql_log_info, vha, 0x501c,
1098 "Alert 84XX: gold firmware version %x.\n",
1099 ha->cs84xx->gold_fw_version);
4d4df193
HK		 1100 break;
1101 default:
7c3df132
SK		 1102 ql_log(ql_log_warn, vha, 0x501d,
1103 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 1104 mb[1], mb[2], mb[3]);
1105 }
1106 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1107 break;
3a03eb79 1108 case MBA_DCBX_START:
7c3df132
SK		 1109 ql_dbg(ql_dbg_async, vha, 0x501e,
1110 "DCBX Started -- %04x %04x %04x.\n",
1111 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1112 break;
1113 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1114 ql_dbg(ql_dbg_async, vha, 0x501f,
1115 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1116 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1117 break;
1118 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1119 ql_dbg(ql_dbg_async, vha, 0x5020,
1120 "FCF Configuration Error -- %04x %04x %04x.\n",
1121 mb[1], mb[2], mb[3]);
3a03eb79 1122 break;
3a03eb79 1123 case MBA_IDC_NOTIFY:
7ec0effd 1124 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
67b2a31f
CD		 1125 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1126 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1127 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1128 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1129 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1130 /*
1131 * Extend loop down timer since port is active.
1132 */
1133 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1134 atomic_set(&vha->loop_down_timer,
1135 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1136 qla2xxx_wake_dpc(vha);
1137 }
67b2a31f 1138 }
8fcd6b8b 1139 case MBA_IDC_COMPLETE:
9aaf2cea 1140 if (ha->notify_lb_portup_comp && !vha->vp_idx)
f356bef1
CD		 1141 complete(&ha->lb_portup_comp);
1142 /* Fallthru */
3a03eb79 1143 case MBA_IDC_TIME_EXT:
7ec0effd
AD		 1144 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1145 IS_QLA8044(ha))
7d613ac6
SV		 1146 qla81xx_idc_event(vha, mb[0], mb[1]);
1147 break;
1148
1149 case MBA_IDC_AEN:
1150 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1151 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1152 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1153 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1154 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1155 break;
7d613ac6 1156
b5a340dd
JC		 1157 case MBA_DPORT_DIAGNOSTICS:
1158 ql_dbg(ql_dbg_async, vha, 0x5052,
ef55e513 1159 "D-Port Diagnostics: %04x result=%s\n",
ec891462 1160 mb[0],
b5a340dd 1161 mb[1] == 0 ? "start" :
ef55e513
JC		 1162 mb[1] == 1 ? "done (pass)" :
1163 mb[1] == 2 ? "done (error)" : "other");
b5a340dd
JC		 1164 break;
1165
a29b3dd7
JC		 1166 case MBA_TEMPERATURE_ALERT:
1167 ql_dbg(ql_dbg_async, vha, 0x505e,
1168 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1169 if (mb[1] == 0x12)
1170 schedule_work(&ha->board_disable);
1171 break;
1172
6246b8a1
GM		 1173 default:
1174 ql_dbg(ql_dbg_async, vha, 0x5057,
1175 "Unknown AEN:%04x %04x %04x %04x\n",
1176 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1177 }
2c3dfe3f 1178
2d70c103
NB		 1179 qlt_async_event(mb[0], vha, mb);
1180
e315cd28 1181 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1182 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1183}
1184
1185/**
1186 * qla2x00_process_completed_request() - Process a Fast Post response.
1187 * @ha: SCSI driver HA context
1188 * @index: SRB index
1189 */
8ae6d9c7 1190void
73208dfd 1191qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1192 struct req_que *req, uint32_t index)
1da177e4
LT		 1193{
1194 srb_t *sp;
e315cd28 1195 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1196
1197 /* Validate handle. */
8d93f550 1198 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1199 ql_log(ql_log_warn, vha, 0x3014,
1200 "Invalid SCSI command index (%x).\n", index);
1da177e4 1201
7ec0effd 1202 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1203 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1204 else
1205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1206 return;
1207 }
1208
e315cd28 1209 sp = req->outstanding_cmds[index];
1da177e4
LT		 1210 if (sp) {
1211 /* Free outstanding command slot. */
e315cd28 1212 req->outstanding_cmds[index] = NULL;
1da177e4 1213
1da177e4 1214 /* Save ISP completion status */
9ba56b95 1215 sp->done(ha, sp, DID_OK << 16);
1da177e4 1216 } else {
7c3df132 1217 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1218
7ec0effd 1219 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1220 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1221 else
1222 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1223 }
1224}
1225
8ae6d9c7 1226srb_t *
ac280b67
AV		 1227qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1228 struct req_que *req, void *iocb)
1229{
1230 struct qla_hw_data *ha = vha->hw;
1231 sts_entry_t *pkt = iocb;
1232 srb_t *sp = NULL;
1233 uint16_t index;
1234
1235 index = LSW(pkt->handle);
8d93f550 1236 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1237 ql_log(ql_log_warn, vha, 0x5031,
1238 "Invalid command index (%x).\n", index);
7ec0effd 1239 if (IS_P3P_TYPE(ha))
8f7daead
GM		 1240 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1241 else
1242 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1243 goto done;
1244 }
1245 sp = req->outstanding_cmds[index];
1246 if (!sp) {
7c3df132
SK		 1247 ql_log(ql_log_warn, vha, 0x5032,
1248 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1249 return sp;
1250 }
1251 if (sp->handle != index) {
7c3df132
SK		 1252 ql_log(ql_log_warn, vha, 0x5033,
1253 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1254 return NULL;
1255 }
9a069e19 1256
ac280b67 1257 req->outstanding_cmds[index] = NULL;
9a069e19 1258
ac280b67
AV		 1259done:
1260 return sp;
1261}
1262
1263static void
1264qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1265 struct mbx_entry *mbx)
1266{
1267 const char func[] = "MBX-IOCB";
1268 const char *type;
ac280b67
AV		 1269 fc_port_t *fcport;
1270 srb_t *sp;
4916392b 1271 struct srb_iocb *lio;
99b0bec7 1272 uint16_t *data;
5ff1d584 1273 uint16_t status;
ac280b67
AV		 1274
1275 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1276 if (!sp)
1277 return;
1278
9ba56b95
GM		 1279 lio = &sp->u.iocb_cmd;
1280 type = sp->name;
ac280b67 1281 fcport = sp->fcport;
4916392b 1282 data = lio->u.logio.data;
ac280b67 1283
5ff1d584 1284 data[0] = MBS_COMMAND_ERROR;
4916392b 1285 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1286 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1287 if (mbx->entry_status) {
7c3df132 1288 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1289 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1290 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1291 "status-flags=%x.\n", type, sp->handle,
1292 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1293 fcport->d_id.b.al_pa, mbx->entry_status,
1294 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1295 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1296
cfb0919c 1297 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1298 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1299
99b0bec7 1300 goto logio_done;
ac280b67
AV		 1301 }
1302
5ff1d584 1303 status = le16_to_cpu(mbx->status);
9ba56b95 1304 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1305 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1306 status = 0;
1307 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1308 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1309 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1310 type, sp->handle, fcport->d_id.b.domain,
1311 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1312 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1313
1314 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1315 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1316 fcport->port_type = FCT_TARGET;
1317 if (le16_to_cpu(mbx->mb1) & BIT_0)
1318 fcport->port_type = FCT_INITIATOR;
6ac52608 1319 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1320 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1321 }
99b0bec7 1322 goto logio_done;
ac280b67
AV		 1323 }
1324
1325 data[0] = le16_to_cpu(mbx->mb0);
1326 switch (data[0]) {
1327 case MBS_PORT_ID_USED:
1328 data[1] = le16_to_cpu(mbx->mb1);
1329 break;
1330 case MBS_LOOP_ID_USED:
1331 break;
1332 default:
1333 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1334 break;
1335 }
1336
7c3df132 1337 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1338 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1339 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1340 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1341 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1342 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1343 le16_to_cpu(mbx->mb7));
ac280b67 1344
99b0bec7 1345logio_done:
9ba56b95 1346 sp->done(vha, sp, 0);
ac280b67
AV		 1347}
1348
9bc4f4fb
HZ		 1349static void
1350qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1351 sts_entry_t *pkt, int iocb_type)
1352{
1353 const char func[] = "CT_IOCB";
1354 const char *type;
9bc4f4fb 1355 srb_t *sp;
75cc8cfc 1356 struct bsg_job *bsg_job;
01e0e15c 1357 struct fc_bsg_reply *bsg_reply;
9bc4f4fb 1358 uint16_t comp_status;
9ba56b95 1359 int res;
9bc4f4fb
HZ		 1360
1361 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1362 if (!sp)
1363 return;
1364
9ba56b95 1365 bsg_job = sp->u.bsg_job;
01e0e15c 1366 bsg_reply = bsg_job->reply;
9bc4f4fb 1367
9ba56b95 1368 type = "ct pass-through";
9bc4f4fb
HZ		 1369
1370 comp_status = le16_to_cpu(pkt->comp_status);
1371
1372 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1373 * fc payload to the caller
1374 */
01e0e15c 1375 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9bc4f4fb
HZ		 1376 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1377
1378 if (comp_status != CS_COMPLETE) {
1379 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1380 res = DID_OK << 16;
01e0e15c 1381 bsg_reply->reply_payload_rcv_len =
9bc4f4fb
HZ		 1382 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1383
7c3df132
SK		 1384 ql_log(ql_log_warn, vha, 0x5048,
1385 "CT pass-through-%s error "
9bc4f4fb 1386 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132 1387 type, comp_status,
01e0e15c 1388 bsg_reply->reply_payload_rcv_len);
9bc4f4fb 1389 } else {
7c3df132
SK		 1390 ql_log(ql_log_warn, vha, 0x5049,
1391 "CT pass-through-%s error "
1392 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1393 res = DID_ERROR << 16;
01e0e15c 1394 bsg_reply->reply_payload_rcv_len = 0;
9bc4f4fb 1395 }
cfb0919c 1396 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1397 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1398 } else {
9ba56b95 1399 res = DID_OK << 16;
01e0e15c 1400 bsg_reply->reply_payload_rcv_len =
9bc4f4fb
HZ		 1401 bsg_job->reply_payload.payload_len;
1402 bsg_job->reply_len = 0;
1403 }
1404
9ba56b95 1405 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1406}
1407
9a069e19
GM		 1408static void
1409qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1410 struct sts_entry_24xx *pkt, int iocb_type)
1411{
1412 const char func[] = "ELS_CT_IOCB";
1413 const char *type;
9a069e19 1414 srb_t *sp;
75cc8cfc 1415 struct bsg_job *bsg_job;
01e0e15c 1416 struct fc_bsg_reply *bsg_reply;
9a069e19
GM		 1417 uint16_t comp_status;
1418 uint32_t fw_status[3];
1419 uint8_t* fw_sts_ptr;
9ba56b95 1420 int res;
9a069e19
GM		 1421
1422 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1423 if (!sp)
1424 return;
9ba56b95 1425 bsg_job = sp->u.bsg_job;
01e0e15c 1426 bsg_reply = bsg_job->reply;
9a069e19
GM		 1427
1428 type = NULL;
9ba56b95 1429 switch (sp->type) {
9a069e19
GM		 1430 case SRB_ELS_CMD_RPT:
1431 case SRB_ELS_CMD_HST:
1432 type = "els";
1433 break;
1434 case SRB_CT_CMD:
1435 type = "ct pass-through";
1436 break;
6eb54715
HM		 1437 case SRB_ELS_DCMD:
1438 type = "Driver ELS logo";
1439 ql_dbg(ql_dbg_user, vha, 0x5047,
1440 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1441 sp->done(vha, sp, 0);
1442 return;
9a069e19 1443 default:
37fed3ee 1444 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1445 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1446 return;
1447 }
1448
1449 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1450 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1451 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1452
1453 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1454 * fc payload to the caller
1455 */
01e0e15c 1456 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
9a069e19
GM		 1457 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1458
1459 if (comp_status != CS_COMPLETE) {
1460 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1461 res = DID_OK << 16;
01e0e15c 1462 bsg_reply->reply_payload_rcv_len =
9ba56b95 1463 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1464
37fed3ee 1465 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1466 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1467 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1468 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1469 le16_to_cpu(((struct els_sts_entry_24xx *)
1470 pkt)->total_byte_count));
82ed4db4
CH		 1471 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1472 sizeof(struct fc_bsg_reply);
9a069e19
GM		 1473 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1474 }
1475 else {
37fed3ee 1476 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1477 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1478 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1479 type, sp->handle, comp_status,
7c3df132
SK		 1480 le16_to_cpu(((struct els_sts_entry_24xx *)
1481 pkt)->error_subcode_1),
1482 le16_to_cpu(((struct els_sts_entry_24xx *)
1483 pkt)->error_subcode_2));
9ba56b95 1484 res = DID_ERROR << 16;
01e0e15c 1485 bsg_reply->reply_payload_rcv_len = 0;
82ed4db4
CH		 1486 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1487 sizeof(struct fc_bsg_reply);
9a069e19
GM		 1488 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1489 }
37fed3ee 1490 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1491 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1492 }
1493 else {
9ba56b95 1494 res = DID_OK << 16;
01e0e15c 1495 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
9a069e19
GM		 1496 bsg_job->reply_len = 0;
1497 }
1498
9ba56b95 1499 sp->done(vha, sp, res);
9a069e19
GM		 1500}
1501
ac280b67
AV		 1502static void
1503qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1504 struct logio_entry_24xx *logio)
1505{
1506 const char func[] = "LOGIO-IOCB";
1507 const char *type;
ac280b67
AV		 1508 fc_port_t *fcport;
1509 srb_t *sp;
4916392b 1510 struct srb_iocb *lio;
99b0bec7 1511 uint16_t *data;
ac280b67
AV		 1512 uint32_t iop[2];
1513
1514 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1515 if (!sp)
1516 return;
1517
9ba56b95
GM		 1518 lio = &sp->u.iocb_cmd;
1519 type = sp->name;
ac280b67 1520 fcport = sp->fcport;
4916392b 1521 data = lio->u.logio.data;
ac280b67 1522
5ff1d584 1523 data[0] = MBS_COMMAND_ERROR;
4916392b 1524 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1525 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1526 if (logio->entry_status) {
5e19ed90 1527 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1528 "Async-%s error entry - hdl=%x"
d3fa9e7d 1529 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1530 type, sp->handle, fcport->d_id.b.domain,
1531 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1532 logio->entry_status);
1533 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1534 (uint8_t *)logio, sizeof(*logio));
ac280b67 1535
99b0bec7 1536 goto logio_done;
ac280b67
AV		 1537 }
1538
1539 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1540 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1541 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1542 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1543 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1544 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1545
1546 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1547 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1548 goto logio_done;
ac280b67
AV		 1549
1550 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1551 if (iop[0] & BIT_4) {
1552 fcport->port_type = FCT_TARGET;
1553 if (iop[0] & BIT_8)
8474f3a0 1554 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1555 } else if (iop[0] & BIT_5)
ac280b67 1556 fcport->port_type = FCT_INITIATOR;
b0cd579c 1557
2d70c103
NB		 1558 if (iop[0] & BIT_7)
1559 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1560
ac280b67
AV		 1561 if (logio->io_parameter[7] || logio->io_parameter[8])
1562 fcport->supported_classes |= FC_COS_CLASS2;
1563 if (logio->io_parameter[9] || logio->io_parameter[10])
1564 fcport->supported_classes |= FC_COS_CLASS3;
1565
99b0bec7 1566 goto logio_done;
ac280b67
AV		 1567 }
1568
1569 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1570 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1571 switch (iop[0]) {
1572 case LSC_SCODE_PORTID_USED:
1573 data[0] = MBS_PORT_ID_USED;
1574 data[1] = LSW(iop[1]);
1575 break;
1576 case LSC_SCODE_NPORT_USED:
1577 data[0] = MBS_LOOP_ID_USED;
1578 break;
ac280b67
AV		 1579 default:
1580 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1581 break;
1582 }
1583
5e19ed90 1584 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1585 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1586 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1587 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1588 le16_to_cpu(logio->comp_status),
1589 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1590 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1591
99b0bec7 1592logio_done:
9ba56b95 1593 sp->done(vha, sp, 0);
ac280b67
AV		 1594}
1595
3822263e 1596static void
faef62d1 1597qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
3822263e
MI		 1598{
1599 const char func[] = "TMF-IOCB";
1600 const char *type;
1601 fc_port_t *fcport;
1602 srb_t *sp;
1603 struct srb_iocb *iocb;
3822263e 1604 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
3822263e
MI		 1605
1606 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1607 if (!sp)
1608 return;
1609
9ba56b95
GM		 1610 iocb = &sp->u.iocb_cmd;
1611 type = sp->name;
3822263e 1612 fcport = sp->fcport;
faef62d1 1613 iocb->u.tmf.data = QLA_SUCCESS;
3822263e
MI		 1614
1615 if (sts->entry_status) {
5e19ed90 1616 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1617 "Async-%s error - hdl=%x entry-status(%x).\n",
1618 type, sp->handle, sts->entry_status);
faef62d1 1619 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
ad950360 1620 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1621 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1622 "Async-%s error - hdl=%x completion status(%x).\n",
1623 type, sp->handle, sts->comp_status);
faef62d1
AB		 1624 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1625 } else if ((le16_to_cpu(sts->scsi_status) &
3822263e 1626 SS_RESPONSE_INFO_LEN_VALID)) {
faef62d1
AB		 1627 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1628 ql_log(ql_log_warn, fcport->vha, 0x503b,
1629 "Async-%s error - hdl=%x not enough response(%d).\n",
1630 type, sp->handle, sts->rsp_data_len);
1631 } else if (sts->data[3]) {
1632 ql_log(ql_log_warn, fcport->vha, 0x503c,
1633 "Async-%s error - hdl=%x response(%x).\n",
1634 type, sp->handle, sts->data[3]);
8d2b21db 1635 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
faef62d1 1636 }
3822263e
MI		 1637 }
1638
faef62d1 1639 if (iocb->u.tmf.data != QLA_SUCCESS)
7c3df132
SK		 1640 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1641 (uint8_t *)sts, sizeof(*sts));
3822263e 1642
9ba56b95 1643 sp->done(vha, sp, 0);
3822263e
MI		 1644}
1645
1da177e4
LT		 1646/**
1647 * qla2x00_process_response_queue() - Process response queue entries.
1648 * @ha: SCSI driver HA context
1649 */
1650void
73208dfd 1651qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1652{
73208dfd
AC		 1653 struct scsi_qla_host *vha;
1654 struct qla_hw_data *ha = rsp->hw;
3d71644c 1655 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1656 sts_entry_t *pkt;
1657 uint16_t handle_cnt;
1658 uint16_t cnt;
73208dfd 1659
2afa19a9 1660 vha = pci_get_drvdata(ha->pdev);
1da177e4 1661
e315cd28 1662 if (!vha->flags.online)
1da177e4
LT		 1663 return;
1664
e315cd28
AC		 1665 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1666 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1667
e315cd28
AC		 1668 rsp->ring_index++;
1669 if (rsp->ring_index == rsp->length) {
1670 rsp->ring_index = 0;
1671 rsp->ring_ptr = rsp->ring;
1da177e4 1672 } else {
e315cd28 1673 rsp->ring_ptr++;
1da177e4
LT		 1674 }
1675
1676 if (pkt->entry_status != 0) {
73208dfd 1677 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1678 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1679 wmb();
1680 continue;
1681 }
1682
1683 switch (pkt->entry_type) {
1684 case STATUS_TYPE:
73208dfd 1685 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1686 break;
1687 case STATUS_TYPE_21:
1688 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1689 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1690 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1691 ((sts21_entry_t *)pkt)->handle[cnt]);
1692 }
1693 break;
1694 case STATUS_TYPE_22:
1695 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1696 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1697 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1698 ((sts22_entry_t *)pkt)->handle[cnt]);
1699 }
1700 break;
1701 case STATUS_CONT_TYPE:
2afa19a9 1702 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1703 break;
ac280b67
AV		 1704 case MBX_IOCB_TYPE:
1705 qla2x00_mbx_iocb_entry(vha, rsp->req,
1706 (struct mbx_entry *)pkt);
3822263e 1707 break;
9bc4f4fb
HZ		 1708 case CT_IOCB_TYPE:
1709 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1710 break;
1da177e4
LT		 1711 default:
1712 /* Type Not Supported. */
7c3df132
SK		 1713 ql_log(ql_log_warn, vha, 0x504a,
1714 "Received unknown response pkt type %x "
1da177e4 1715 "entry status=%x.\n",
7c3df132 1716 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1717 break;
1718 }
1719 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1720 wmb();
1721 }
1722
1723 /* Adjust ring index */
e315cd28 1724 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1725}
1726
4733fcb1 1727static inline void
5544213b 1728qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1729 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1730{
7c3df132 1731 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1732 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1733 uint32_t track_sense_len;
4733fcb1
AV		 1734
1735 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1736 sense_len = SCSI_SENSE_BUFFERSIZE;
1737
9ba56b95
GM		 1738 SET_CMD_SENSE_LEN(sp, sense_len);
1739 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1740 track_sense_len = sense_len;
1741
1742 if (sense_len > par_sense_len)
5544213b 1743 sense_len = par_sense_len;
4733fcb1
AV		 1744
1745 memcpy(cp->sense_buffer, sense_data, sense_len);
1746
9ba56b95
GM		 1747 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1748 track_sense_len -= sense_len;
1749 SET_CMD_SENSE_LEN(sp, track_sense_len);
1750
1751 if (track_sense_len != 0) {
2afa19a9 1752 rsp->status_srb = sp;
9ba56b95
GM		 1753 cp->result = res;
1754 }
4733fcb1 1755
cfb0919c
CD		 1756 if (sense_len) {
1757 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
9cb78c16 1758 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
cfb0919c
CD		 1759 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1760 cp);
7c3df132
SK		 1761 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1762 cp->sense_buffer, sense_len);
cfb0919c 1763 }
4733fcb1
AV		 1764}
1765
bad75002
AE		 1766struct scsi_dif_tuple {
1767 __be16 guard; /* Checksum */
d6a03581 1768 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1769 __be32 ref_tag; /* Target LBA or indirect LBA */
1770};
1771
1772/*
1773 * Checks the guard or meta-data for the type of error
1774 * detected by the HBA. In case of errors, we set the
1775 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1776 * to indicate to the kernel that the HBA detected error.
1777 */
8cb2049c 1778static inline int
bad75002
AE		 1779qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1780{
7c3df132 1781 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1782 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1783 uint8_t *ap = &sts24->data[12];
1784 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1785 uint32_t e_ref_tag, a_ref_tag;
1786 uint16_t e_app_tag, a_app_tag;
1787 uint16_t e_guard, a_guard;
1788
8cb2049c
AE		 1789 /*
1790 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1791 * would make guard field appear at offset 2
1792 */
1793 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1794 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1795 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1796 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1797 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1798 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1799
7c3df132
SK		 1800 ql_dbg(ql_dbg_io, vha, 0x3023,
1801 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1802
7c3df132
SK		 1803 ql_dbg(ql_dbg_io, vha, 0x3024,
1804 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1805 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1806 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1807 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1808 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1809
8cb2049c
AE		 1810 /*
1811 * Ignore sector if:
1812 * For type 3: ref & app tag is all 'f's
1813 * For type 0,1,2: app tag is all 'f's
1814 */
1815 if ((a_app_tag == 0xffff) &&
1816 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1817 (a_ref_tag == 0xffffffff))) {
1818 uint32_t blocks_done, resid;
1819 sector_t lba_s = scsi_get_lba(cmd);
1820
1821 /* 2TB boundary case covered automatically with this */
1822 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1823
1824 resid = scsi_bufflen(cmd) - (blocks_done *
1825 cmd->device->sector_size);
1826
1827 scsi_set_resid(cmd, resid);
1828 cmd->result = DID_OK << 16;
1829
1830 /* Update protection tag */
1831 if (scsi_prot_sg_count(cmd)) {
1832 uint32_t i, j = 0, k = 0, num_ent;
1833 struct scatterlist *sg;
27c0e83b 1834 struct t10_pi_tuple *spt;
8cb2049c
AE		 1835
1836 /* Patch the corresponding protection tags */
1837 scsi_for_each_prot_sg(cmd, sg,
1838 scsi_prot_sg_count(cmd), i) {
1839 num_ent = sg_dma_len(sg) / 8;
1840 if (k + num_ent < blocks_done) {
1841 k += num_ent;
1842 continue;
1843 }
1844 j = blocks_done - k - 1;
1845 k = blocks_done;
1846 break;
1847 }
1848
1849 if (k != blocks_done) {
cfb0919c 1850 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1851 "unexpected tag values tag:lba=%x:%llx)\n",
1852 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1853 return 1;
1854 }
1855
1856 spt = page_address(sg_page(sg)) + sg->offset;
1857 spt += j;
1858
1859 spt->app_tag = 0xffff;
1860 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1861 spt->ref_tag = 0xffffffff;
1862 }
1863
1864 return 0;
1865 }
1866
bad75002
AE		 1867 /* check guard */
1868 if (e_guard != a_guard) {
1869 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1870 0x10, 0x1);
1871 set_driver_byte(cmd, DRIVER_SENSE);
1872 set_host_byte(cmd, DID_ABORT);
1873 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1874 return 1;
bad75002
AE		 1875 }
1876
e02587d7
AE		 1877 /* check ref tag */
1878 if (e_ref_tag != a_ref_tag) {
bad75002 1879 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1880 0x10, 0x3);
bad75002
AE		 1881 set_driver_byte(cmd, DRIVER_SENSE);
1882 set_host_byte(cmd, DID_ABORT);
1883 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1884 return 1;
bad75002
AE		 1885 }
1886
e02587d7
AE		 1887 /* check appl tag */
1888 if (e_app_tag != a_app_tag) {
bad75002 1889 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1890 0x10, 0x2);
bad75002
AE		 1891 set_driver_byte(cmd, DRIVER_SENSE);
1892 set_host_byte(cmd, DID_ABORT);
1893 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1894 return 1;
bad75002 1895 }
e02587d7 1896
8cb2049c 1897 return 1;
bad75002
AE		 1898}
1899
a9b6f722
SK		 1900static void
1901qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1902 struct req_que *req, uint32_t index)
1903{
1904 struct qla_hw_data *ha = vha->hw;
1905 srb_t *sp;
1906 uint16_t comp_status;
1907 uint16_t scsi_status;
1908 uint16_t thread_id;
1909 uint32_t rval = EXT_STATUS_OK;
75cc8cfc 1910 struct bsg_job *bsg_job = NULL;
01e0e15c
JT		 1911 struct fc_bsg_request *bsg_request;
1912 struct fc_bsg_reply *bsg_reply;
a9b6f722
SK		 1913 sts_entry_t *sts;
1914 struct sts_entry_24xx *sts24;
1915 sts = (sts_entry_t *) pkt;
1916 sts24 = (struct sts_entry_24xx *) pkt;
1917
1918 /* Validate handle. */
8d93f550 1919 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1920 ql_log(ql_log_warn, vha, 0x70af,
1921 "Invalid SCSI completion handle 0x%x.\n", index);
1922 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1923 return;
1924 }
1925
1926 sp = req->outstanding_cmds[index];
01e0e15c 1927 if (!sp) {
a9b6f722
SK		 1928 ql_log(ql_log_warn, vha, 0x70b0,
1929 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1930 req->id, index);
1931
1932 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1933 return;
1934 }
1935
01e0e15c
JT		 1936 /* Free outstanding command slot. */
1937 req->outstanding_cmds[index] = NULL;
1938 bsg_job = sp->u.bsg_job;
1939 bsg_request = bsg_job->request;
1940 bsg_reply = bsg_job->reply;
1941
a9b6f722
SK		 1942 if (IS_FWI2_CAPABLE(ha)) {
1943 comp_status = le16_to_cpu(sts24->comp_status);
1944 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1945 } else {
1946 comp_status = le16_to_cpu(sts->comp_status);
1947 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1948 }
1949
01e0e15c 1950 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
a9b6f722
SK		 1951 switch (comp_status) {
1952 case CS_COMPLETE:
1953 if (scsi_status == 0) {
01e0e15c 1954 bsg_reply->reply_payload_rcv_len =
a9b6f722 1955 bsg_job->reply_payload.payload_len;
fabbb8df 1956 vha->qla_stats.input_bytes +=
01e0e15c 1957 bsg_reply->reply_payload_rcv_len;
fabbb8df 1958 vha->qla_stats.input_requests++;
a9b6f722
SK		 1959 rval = EXT_STATUS_OK;
1960 }
1961 goto done;
1962
1963 case CS_DATA_OVERRUN:
1964 ql_dbg(ql_dbg_user, vha, 0x70b1,
1965 "Command completed with date overrun thread_id=%d\n",
1966 thread_id);
1967 rval = EXT_STATUS_DATA_OVERRUN;
1968 break;
1969
1970 case CS_DATA_UNDERRUN:
1971 ql_dbg(ql_dbg_user, vha, 0x70b2,
1972 "Command completed with date underrun thread_id=%d\n",
1973 thread_id);
1974 rval = EXT_STATUS_DATA_UNDERRUN;
1975 break;
1976 case CS_BIDIR_RD_OVERRUN:
1977 ql_dbg(ql_dbg_user, vha, 0x70b3,
1978 "Command completed with read data overrun thread_id=%d\n",
1979 thread_id);
1980 rval = EXT_STATUS_DATA_OVERRUN;
1981 break;
1982
1983 case CS_BIDIR_RD_WR_OVERRUN:
1984 ql_dbg(ql_dbg_user, vha, 0x70b4,
1985 "Command completed with read and write data overrun "
1986 "thread_id=%d\n", thread_id);
1987 rval = EXT_STATUS_DATA_OVERRUN;
1988 break;
1989
1990 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1991 ql_dbg(ql_dbg_user, vha, 0x70b5,
1992 "Command completed with read data over and write data "
1993 "underrun thread_id=%d\n", thread_id);
1994 rval = EXT_STATUS_DATA_OVERRUN;
1995 break;
1996
1997 case CS_BIDIR_RD_UNDERRUN:
1998 ql_dbg(ql_dbg_user, vha, 0x70b6,
1999 "Command completed with read data data underrun "
2000 "thread_id=%d\n", thread_id);
2001 rval = EXT_STATUS_DATA_UNDERRUN;
2002 break;
2003
2004 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2005 ql_dbg(ql_dbg_user, vha, 0x70b7,
2006 "Command completed with read data under and write data "
2007 "overrun thread_id=%d\n", thread_id);
2008 rval = EXT_STATUS_DATA_UNDERRUN;
2009 break;
2010
2011 case CS_BIDIR_RD_WR_UNDERRUN:
2012 ql_dbg(ql_dbg_user, vha, 0x70b8,
2013 "Command completed with read and write data underrun "
2014 "thread_id=%d\n", thread_id);
2015 rval = EXT_STATUS_DATA_UNDERRUN;
2016 break;
2017
2018 case CS_BIDIR_DMA:
2019 ql_dbg(ql_dbg_user, vha, 0x70b9,
2020 "Command completed with data DMA error thread_id=%d\n",
2021 thread_id);
2022 rval = EXT_STATUS_DMA_ERR;
2023 break;
2024
2025 case CS_TIMEOUT:
2026 ql_dbg(ql_dbg_user, vha, 0x70ba,
2027 "Command completed with timeout thread_id=%d\n",
2028 thread_id);
2029 rval = EXT_STATUS_TIMEOUT;
2030 break;
2031 default:
2032 ql_dbg(ql_dbg_user, vha, 0x70bb,
2033 "Command completed with completion status=0x%x "
2034 "thread_id=%d\n", comp_status, thread_id);
2035 rval = EXT_STATUS_ERR;
2036 break;
2037 }
01e0e15c 2038 bsg_reply->reply_payload_rcv_len = 0;
a9b6f722
SK		 2039
2040done:
2041 /* Return the vendor specific reply to API */
01e0e15c 2042 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
a9b6f722
SK		 2043 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2044 /* Always return DID_OK, bsg will send the vendor specific response
2045 * in this case only */
2046 sp->done(vha, sp, (DID_OK << 6));
2047
2048}
2049
1da177e4
LT		 2050/**
2051 * qla2x00_status_entry() - Process a Status IOCB entry.
2052 * @ha: SCSI driver HA context
2053 * @pkt: Entry pointer
2054 */
2055static void
73208dfd 2056qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 2057{
1da177e4 2058 srb_t *sp;
1da177e4
LT		 2059 fc_port_t *fcport;
2060 struct scsi_cmnd *cp;
9a853f71
AV		 2061 sts_entry_t *sts;
2062 struct sts_entry_24xx *sts24;
1da177e4
LT		 2063 uint16_t comp_status;
2064 uint16_t scsi_status;
b7d2280c 2065 uint16_t ox_id;
1da177e4
LT		 2066 uint8_t lscsi_status;
2067 int32_t resid;
5544213b
AV		 2068 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2069 fw_resid_len;
9a853f71 2070 uint8_t *rsp_info, *sense_data;
e315cd28 2071 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 2072 uint32_t handle;
2073 uint16_t que;
2074 struct req_que *req;
b7d2280c 2075 int logit = 1;
9ba56b95 2076 int res = 0;
a9b6f722 2077 uint16_t state_flags = 0;
e05fe292 2078 uint16_t retry_delay = 0;
9a853f71
AV		 2079
2080 sts = (sts_entry_t *) pkt;
2081 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 2082 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 2083 comp_status = le16_to_cpu(sts24->comp_status);
2084 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 2085 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 2086 } else {
2087 comp_status = le16_to_cpu(sts->comp_status);
2088 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2089 }
2afa19a9
AC		 2090 handle = (uint32_t) LSW(sts->handle);
2091 que = MSW(sts->handle);
2092 req = ha->req_q_map[que];
a9083016 2093
36008cf1
CD		 2094 /* Check for invalid queue pointer */
2095 if (req == NULL ||
2096 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2097 ql_dbg(ql_dbg_io, vha, 0x3059,
2098 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2099 "que=%u.\n", sts->handle, req, que);
2100 return;
2101 }
2102
1da177e4 2103 /* Validate handle. */
c7bc4cae 2104 if (handle < req->num_outstanding_cmds) {
2afa19a9 2105 sp = req->outstanding_cmds[handle];
c7bc4cae
CD		 2106 if (!sp) {
2107 ql_dbg(ql_dbg_io, vha, 0x3075,
2108 "%s(%ld): Already returned command for status handle (0x%x).\n",
2109 __func__, vha->host_no, sts->handle);
2110 return;
2111 }
2112 } else {
cfb0919c 2113 ql_dbg(ql_dbg_io, vha, 0x3017,
c7bc4cae
CD		 2114 "Invalid status handle, out of range (0x%x).\n",
2115 sts->handle);
1da177e4 2116
acd3ce88
CD		 2117 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2118 if (IS_P3P_TYPE(ha))
2119 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2120 else
2121 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2122 qla2xxx_wake_dpc(vha);
2123 }
1da177e4
LT		 2124 return;
2125 }
a9b6f722
SK		 2126
2127 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2128 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2129 return;
2130 }
2131
faef62d1
AB		 2132 /* Task Management completion. */
2133 if (sp->type == SRB_TM_CMD) {
2134 qla24xx_tm_iocb_entry(vha, req, pkt);
2135 return;
2136 }
2137
a9b6f722
SK		 2138 /* Fast path completion. */
2139 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2140 qla2x00_process_completed_request(vha, req, handle);
2141
2142 return;
2143 }
2144
2145 req->outstanding_cmds[handle] = NULL;
9ba56b95 2146 cp = GET_CMD_SP(sp);
1da177e4 2147 if (cp == NULL) {
cfb0919c 2148 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 2149 "Command already returned (0x%x/%p).\n",
2150 sts->handle, sp);
1da177e4
LT		 2151
2152 return;
2153 }
2154
8ae6d9c7 2155 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 2156
bdf79621 2157 fcport = sp->fcport;
1da177e4 2158
b7d2280c 2159 ox_id = 0;
5544213b
AV		 2160 sense_len = par_sense_len = rsp_info_len = resid_len =
2161 fw_resid_len = 0;
e428924c 2162 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2163 if (scsi_status & SS_SENSE_LEN_VALID)
2164 sense_len = le32_to_cpu(sts24->sense_len);
2165 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2166 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2167 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2168 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2169 if (comp_status == CS_DATA_UNDERRUN)
2170 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2171 rsp_info = sts24->data;
2172 sense_data = sts24->data;
2173 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2174 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2175 par_sense_len = sizeof(sts24->data);
e05fe292
CD		 2176 /* Valid values of the retry delay timer are 0x1-0xffef */
2177 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2178 retry_delay = sts24->retry_delay;
9a853f71 2179 } else {
0f00a206
LC		 2180 if (scsi_status & SS_SENSE_LEN_VALID)
2181 sense_len = le16_to_cpu(sts->req_sense_length);
2182 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2183 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2184 resid_len = le32_to_cpu(sts->residual_length);
2185 rsp_info = sts->rsp_info;
2186 sense_data = sts->req_sense_data;
5544213b 2187 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2188 }
2189
1da177e4
LT		 2190 /* Check for any FCP transport errors. */
2191 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2192 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2193 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2194 sense_data += rsp_info_len;
5544213b
AV		 2195 par_sense_len -= rsp_info_len;
2196 }
9a853f71 2197 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2198 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2199 "FCP I/O protocol failure (0x%x/0x%x).\n",
2200 rsp_info_len, rsp_info[3]);
1da177e4 2201
9ba56b95 2202 res = DID_BUS_BUSY << 16;
b7d2280c 2203 goto out;
1da177e4
LT		 2204 }
2205 }
2206
3e8ce320
AV		 2207 /* Check for overrun. */
2208 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2209 scsi_status & SS_RESIDUAL_OVER)
2210 comp_status = CS_DATA_OVERRUN;
2211
e05fe292
CD		 2212 /*
2213 * Check retry_delay_timer value if we receive a busy or
2214 * queue full.
2215 */
2216 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2217 lscsi_status == SAM_STAT_BUSY)
2218 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2219
1da177e4
LT		 2220 /*
2221 * Based on Host and scsi status generate status code for Linux
2222 */
2223 switch (comp_status) {
2224 case CS_COMPLETE:
df7baa50 2225 case CS_QUEUE_FULL:
1da177e4 2226 if (scsi_status == 0) {
9ba56b95 2227 res = DID_OK << 16;
1da177e4
LT		 2228 break;
2229 }
2230 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2231 resid = resid_len;
385d70b4 2232 scsi_set_resid(cp, resid);
0da69df1
AV		 2233
2234 if (!lscsi_status &&
385d70b4 2235 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2236 cp->underflow)) {
5e19ed90 2237 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2238 "Mid-layer underflow "
b7d2280c 2239 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2240 resid, scsi_bufflen(cp));
0da69df1 2241
9ba56b95 2242 res = DID_ERROR << 16;
0da69df1
AV		 2243 break;
2244 }
1da177e4 2245 }
9ba56b95 2246 res = DID_OK << 16 | lscsi_status;
1da177e4 2247
df7baa50 2248 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2249 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2250 "QUEUE FULL detected.\n");
df7baa50
AV		 2251 break;
2252 }
b7d2280c 2253 logit = 0;
1da177e4
LT		 2254 if (lscsi_status != SS_CHECK_CONDITION)
2255 break;
2256
b80ca4f7 2257 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2258 if (!(scsi_status & SS_SENSE_LEN_VALID))
2259 break;
2260
5544213b 2261 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2262 rsp, res);
1da177e4
LT		 2263 break;
2264
2265 case CS_DATA_UNDERRUN:
ed17c71b 2266 /* Use F/W calculated residual length. */
0f00a206
LC		 2267 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2268 scsi_set_resid(cp, resid);
2269 if (scsi_status & SS_RESIDUAL_UNDER) {
2270 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2271 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2272 "Dropped frame(s) detected "
2273 "(0x%x of 0x%x bytes).\n",
2274 resid, scsi_bufflen(cp));
0f00a206 2275
9ba56b95 2276 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2277 goto check_scsi_status;
6acf8190 2278 }
ed17c71b 2279
0f00a206
LC		 2280 if (!lscsi_status &&
2281 ((unsigned)(scsi_bufflen(cp) - resid) <
2282 cp->underflow)) {
5e19ed90 2283 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2284 "Mid-layer underflow "
b7d2280c 2285 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2286 resid, scsi_bufflen(cp));
e038a1be 2287
9ba56b95 2288 res = DID_ERROR << 16;
0f00a206
LC		 2289 break;
2290 }
4aee5766
GM		 2291 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2292 lscsi_status != SAM_STAT_BUSY) {
2293 /*
2294 * scsi status of task set and busy are considered to be
2295 * task not completed.
2296 */
2297
5e19ed90 2298 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2299 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2300 "of 0x%x bytes).\n", resid,
2301 scsi_bufflen(cp));
0f00a206 2302
9ba56b95 2303 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2304 goto check_scsi_status;
4aee5766
GM		 2305 } else {
2306 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2307 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2308 scsi_status, lscsi_status);
1da177e4
LT		 2309 }
2310
9ba56b95 2311 res = DID_OK << 16 | lscsi_status;
b7d2280c 2312 logit = 0;
0f00a206 2313
0374f55e 2314check_scsi_status:
1da177e4 2315 /*
fa2a1ce5 2316 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2317 * Status.
2318 */
2319 if (lscsi_status != 0) {
ffec28a3 2320 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2321 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2322 "QUEUE FULL detected.\n");
b7d2280c 2323 logit = 1;
ffec28a3
AV		 2324 break;
2325 }
1da177e4
LT		 2326 if (lscsi_status != SS_CHECK_CONDITION)
2327 break;
2328
b80ca4f7 2329 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2330 if (!(scsi_status & SS_SENSE_LEN_VALID))
2331 break;
2332
5544213b 2333 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2334 sense_len, rsp, res);
1da177e4
LT		 2335 }
2336 break;
2337
1da177e4
LT		 2338 case CS_PORT_LOGGED_OUT:
2339 case CS_PORT_CONFIG_CHG:
2340 case CS_PORT_BUSY:
2341 case CS_INCOMPLETE:
2342 case CS_PORT_UNAVAILABLE:
b7d2280c 2343 case CS_TIMEOUT:
ff454b01
CD		 2344 case CS_RESET:
2345
056a4483
MC		 2346 /*
2347 * We are going to have the fc class block the rport
2348 * while we try to recover so instruct the mid layer
2349 * to requeue until the class decides how to handle this.
2350 */
9ba56b95 2351 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2352
2353 if (comp_status == CS_TIMEOUT) {
2354 if (IS_FWI2_CAPABLE(ha))
2355 break;
2356 else if ((le16_to_cpu(sts->status_flags) &
2357 SF_LOGOUT_SENT) == 0)
2358 break;
2359 }
2360
5e19ed90 2361 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
0e948975
CD		 2362 "Port to be marked lost on fcport=%02x%02x%02x, current "
2363 "port state= %s.\n", fcport->d_id.b.domain,
2364 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2365 port_state_str[atomic_read(&fcport->state)]);
b7d2280c 2366
a7a28504 2367 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2368 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2369 break;
2370
1da177e4 2371 case CS_ABORTED:
9ba56b95 2372 res = DID_RESET << 16;
1da177e4 2373 break;
bad75002
AE		 2374
2375 case CS_DIF_ERROR:
8cb2049c 2376 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2377 res = cp->result;
bad75002 2378 break;
9e522cd8
AE		 2379
2380 case CS_TRANSPORT:
2381 res = DID_ERROR << 16;
2382
2383 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2384 break;
2385
2386 if (state_flags & BIT_4)
2387 scmd_printk(KERN_WARNING, cp,
2388 "Unsupported device '%s' found.\n",
2389 cp->device->vendor);
2390 break;
2391
1da177e4 2392 default:
9ba56b95 2393 res = DID_ERROR << 16;
1da177e4
LT		 2394 break;
2395 }
2396
b7d2280c
AV		 2397out:
2398 if (logit)
5e19ed90 2399 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
9cb78c16 2400 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
7b833558 2401 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
c7bc4cae 2402 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
9ba56b95 2403 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2404 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2405 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
7b833558 2406 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
c7bc4cae 2407 resid_len, fw_resid_len, sp, cp);
b7d2280c 2408
2afa19a9 2409 if (rsp->status_srb == NULL)
9ba56b95 2410 sp->done(ha, sp, res);
1da177e4
LT		 2411}
2412
2413/**
2414 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2415 * @ha: SCSI driver HA context
2416 * @pkt: Entry pointer
2417 *
2418 * Extended sense data.
2419 */
2420static void
2afa19a9 2421qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2422{
9ba56b95 2423 uint8_t sense_sz = 0;
2afa19a9 2424 struct qla_hw_data *ha = rsp->hw;
7c3df132 2425 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2426 srb_t *sp = rsp->status_srb;
1da177e4 2427 struct scsi_cmnd *cp;
9ba56b95
GM		 2428 uint32_t sense_len;
2429 uint8_t *sense_ptr;
1da177e4 2430
9ba56b95
GM		 2431 if (!sp || !GET_CMD_SENSE_LEN(sp))
2432 return;
1da177e4 2433
9ba56b95
GM		 2434 sense_len = GET_CMD_SENSE_LEN(sp);
2435 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2436
9ba56b95
GM		 2437 cp = GET_CMD_SP(sp);
2438 if (cp == NULL) {
2439 ql_log(ql_log_warn, vha, 0x3025,
2440 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2441
9ba56b95
GM		 2442 rsp->status_srb = NULL;
2443 return;
1da177e4 2444 }
1da177e4 2445
9ba56b95
GM		 2446 if (sense_len > sizeof(pkt->data))
2447 sense_sz = sizeof(pkt->data);
2448 else
2449 sense_sz = sense_len;
c4631191 2450
9ba56b95
GM		 2451 /* Move sense data. */
2452 if (IS_FWI2_CAPABLE(ha))
2453 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2454 memcpy(sense_ptr, pkt->data, sense_sz);
2455 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2456 sense_ptr, sense_sz);
c4631191 2457
9ba56b95
GM		 2458 sense_len -= sense_sz;
2459 sense_ptr += sense_sz;
c4631191 2460
9ba56b95
GM		 2461 SET_CMD_SENSE_PTR(sp, sense_ptr);
2462 SET_CMD_SENSE_LEN(sp, sense_len);
2463
2464 /* Place command on done queue. */
2465 if (sense_len == 0) {
2466 rsp->status_srb = NULL;
2467 sp->done(ha, sp, cp->result);
c4631191 2468 }
c4631191
GM		 2469}
2470
1da177e4
LT		 2471/**
2472 * qla2x00_error_entry() - Process an error entry.
2473 * @ha: SCSI driver HA context
2474 * @pkt: Entry pointer
2475 */
2476static void
73208dfd 2477qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2478{
2479 srb_t *sp;
e315cd28 2480 struct qla_hw_data *ha = vha->hw;
c4631191 2481 const char func[] = "ERROR-IOCB";
2afa19a9 2482 uint16_t que = MSW(pkt->handle);
a6fe35c0 2483 struct req_que *req = NULL;
9ba56b95 2484 int res = DID_ERROR << 16;
7c3df132 2485
9ba56b95
GM		 2486 ql_dbg(ql_dbg_async, vha, 0x502a,
2487 "type of error status in response: 0x%x\n", pkt->entry_status);
2488
a6fe35c0
AE		 2489 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2490 goto fatal;
2491
2492 req = ha->req_q_map[que];
2493
9ba56b95
GM		 2494 if (pkt->entry_status & RF_BUSY)
2495 res = DID_BUS_BUSY << 16;
1da177e4 2496
4f060736
QT		 2497 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2498 pkt->handle == QLA_TGT_SKIP_HANDLE)
2499 return;
2500
c4631191 2501 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2502 if (sp) {
9ba56b95 2503 sp->done(ha, sp, res);
a6fe35c0 2504 return;
1da177e4 2505 }
a6fe35c0
AE		 2506fatal:
2507 ql_log(ql_log_warn, vha, 0x5030,
fd49a540 2508 "Error entry - invalid handle/queue (%04x).\n", que);
1da177e4
LT		 2509}
2510
9a853f71
AV		 2511/**
2512 * qla24xx_mbx_completion() - Process mailbox command completions.
2513 * @ha: SCSI driver HA context
2514 * @mb0: Mailbox0 register
2515 */
2516static void
e315cd28 2517qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2518{
2519 uint16_t cnt;
4fa94f83 2520 uint32_t mboxes;
9a853f71 2521 uint16_t __iomem *wptr;
e315cd28 2522 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2523 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2524
4fa94f83
AV		 2525 /* Read all mbox registers? */
2526 mboxes = (1 << ha->mbx_count) - 1;
2527 if (!ha->mcp)
a720101d 2528 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2529 else
2530 mboxes = ha->mcp->in_mb;
2531
9a853f71
AV		 2532 /* Load return mailbox registers. */
2533 ha->flags.mbox_int = 1;
2534 ha->mailbox_out[0] = mb0;
4fa94f83 2535 mboxes >>= 1;
9a853f71
AV		 2536 wptr = (uint16_t __iomem *)&reg->mailbox1;
2537
2538 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2539 if (mboxes & BIT_0)
2540 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2541
2542 mboxes >>= 1;
9a853f71
AV		 2543 wptr++;
2544 }
9a853f71
AV		 2545}
2546
4440e46d
AB		 2547static void
2548qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2549 struct abort_entry_24xx *pkt)
2550{
2551 const char func[] = "ABT_IOCB";
2552 srb_t *sp;
2553 struct srb_iocb *abt;
2554
2555 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2556 if (!sp)
2557 return;
2558
2559 abt = &sp->u.iocb_cmd;
2560 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2561 sp->done(vha, sp, 0);
2562}
2563
9a853f71
AV		 2564/**
2565 * qla24xx_process_response_queue() - Process response queue entries.
2566 * @ha: SCSI driver HA context
2567 */
2afa19a9
AC		 2568void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2569 struct rsp_que *rsp)
9a853f71 2570{
9a853f71 2571 struct sts_entry_24xx *pkt;
a9083016 2572 struct qla_hw_data *ha = vha->hw;
9a853f71 2573
e315cd28 2574 if (!vha->flags.online)
9a853f71
AV		 2575 return;
2576
e315cd28
AC		 2577 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2578 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2579
e315cd28
AC		 2580 rsp->ring_index++;
2581 if (rsp->ring_index == rsp->length) {
2582 rsp->ring_index = 0;
2583 rsp->ring_ptr = rsp->ring;
9a853f71 2584 } else {
e315cd28 2585 rsp->ring_ptr++;
9a853f71
AV		 2586 }
2587
2588 if (pkt->entry_status != 0) {
73208dfd 2589 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103 2590
f83adb61
QT		 2591 if (qlt_24xx_process_response_error(vha, pkt))
2592 goto process_err;
2d70c103 2593
9a853f71
AV		 2594 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2595 wmb();
2596 continue;
2597 }
f83adb61 2598process_err:
9a853f71
AV		 2599
2600 switch (pkt->entry_type) {
2601 case STATUS_TYPE:
73208dfd 2602 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2603 break;
2604 case STATUS_CONT_TYPE:
2afa19a9 2605 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2606 break;
2c3dfe3f 2607 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2608 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2609 (struct vp_rpt_id_entry_24xx *)pkt);
2610 break;
ac280b67
AV		 2611 case LOGINOUT_PORT_IOCB_TYPE:
2612 qla24xx_logio_entry(vha, rsp->req,
2613 (struct logio_entry_24xx *)pkt);
2614 break;
f83adb61 2615 case CT_IOCB_TYPE:
9a069e19 2616 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19 2617 break;
f83adb61 2618 case ELS_IOCB_TYPE:
9a069e19
GM		 2619 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2620 break;
2d70c103 2621 case ABTS_RECV_24XX:
2f424b9b
QT		 2622 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2623 /* ensure that the ATIO queue is empty */
2624 qlt_handle_abts_recv(vha, (response_t *)pkt);
2625 break;
2626 } else {
2627 /* drop through */
2628 qlt_24xx_process_atio_queue(vha, 1);
2629 }
2d70c103
NB		 2630 case ABTS_RESP_24XX:
2631 case CTIO_TYPE7:
2632 case NOTIFY_ACK_TYPE:
f83adb61 2633 case CTIO_CRC2:
2d70c103
NB		 2634 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2635 break;
54883291
SK		 2636 case MARKER_TYPE:
2637 /* Do nothing in this case, this check is to prevent it
2638 * from falling into default case
2639 */
2640 break;
4440e46d
AB		 2641 case ABORT_IOCB_TYPE:
2642 qla24xx_abort_iocb_entry(vha, rsp->req,
2643 (struct abort_entry_24xx *)pkt);
2644 break;
9a853f71
AV		 2645 default:
2646 /* Type Not Supported. */
7c3df132
SK		 2647 ql_dbg(ql_dbg_async, vha, 0x5042,
2648 "Received unknown response pkt type %x "
9a853f71 2649 "entry status=%x.\n",
7c3df132 2650 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2651 break;
2652 }
2653 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2654 wmb();
2655 }
2656
2657 /* Adjust ring index */
7ec0effd 2658 if (IS_P3P_TYPE(ha)) {
a9083016
GM		 2659 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2660 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2661 } else
2662 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2663}
2664
05236a05 2665static void
e315cd28 2666qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2667{
2668 int rval;
2669 uint32_t cnt;
e315cd28 2670 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2671 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2672
f73cb695
CD		 2673 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2674 !IS_QLA27XX(ha))
05236a05
AV		 2675 return;
2676
2677 rval = QLA_SUCCESS;
2678 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2679 RD_REG_DWORD(&reg->iobase_addr);
2680 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2681 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2682 rval == QLA_SUCCESS; cnt--) {
2683 if (cnt) {
2684 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2685 udelay(10);
2686 } else
2687 rval = QLA_FUNCTION_TIMEOUT;
2688 }
2689 if (rval == QLA_SUCCESS)
2690 goto next_test;
2691
b2ec76c5 2692 rval = QLA_SUCCESS;
05236a05
AV		 2693 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2694 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2695 rval == QLA_SUCCESS; cnt--) {
2696 if (cnt) {
2697 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2698 udelay(10);
2699 } else
2700 rval = QLA_FUNCTION_TIMEOUT;
2701 }
2702 if (rval != QLA_SUCCESS)
2703 goto done;
2704
2705next_test:
2706 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2707 ql_log(ql_log_info, vha, 0x504c,
2708 "Additional code -- 0x55AA.\n");
05236a05
AV		 2709
2710done:
2711 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2712 RD_REG_DWORD(&reg->iobase_window);
2713}
2714
9a853f71 2715/**
6246b8a1 2716 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2717 * @irq:
2718 * @dev_id: SCSI driver HA context
9a853f71
AV		 2719 *
2720 * Called by system whenever the host adapter generates an interrupt.
2721 *
2722 * Returns handled flag.
2723 */
2724irqreturn_t
7d12e780 2725qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2726{
e315cd28
AC		 2727 scsi_qla_host_t *vha;
2728 struct qla_hw_data *ha;
9a853f71
AV		 2729 struct device_reg_24xx __iomem *reg;
2730 int status;
9a853f71
AV		 2731 unsigned long iter;
2732 uint32_t stat;
2733 uint32_t hccr;
7d613ac6 2734 uint16_t mb[8];
e315cd28 2735 struct rsp_que *rsp;
43fac4d9 2736 unsigned long flags;
9a853f71 2737
e315cd28
AC		 2738 rsp = (struct rsp_que *) dev_id;
2739 if (!rsp) {
3256b435
CD		 2740 ql_log(ql_log_info, NULL, 0x5059,
2741 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2742 return IRQ_NONE;
2743 }
2744
e315cd28 2745 ha = rsp->hw;
9a853f71
AV		 2746 reg = &ha->iobase->isp24;
2747 status = 0;
2748
85880801
AV		 2749 if (unlikely(pci_channel_offline(ha->pdev)))
2750 return IRQ_HANDLED;
2751
43fac4d9 2752 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2753 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2754 for (iter = 50; iter--; ) {
2755 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2756 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2757 break;
9a853f71 2758 if (stat & HSRX_RISC_PAUSED) {
85880801 2759 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2760 break;
2761
9a853f71
AV		 2762 hccr = RD_REG_DWORD(&reg->hccr);
2763
7c3df132
SK		 2764 ql_log(ql_log_warn, vha, 0x504b,
2765 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2766 hccr);
05236a05 2767
e315cd28 2768 qla2xxx_check_risc_status(vha);
05236a05 2769
e315cd28
AC		 2770 ha->isp_ops->fw_dump(vha, 1);
2771 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2772 break;
2773 } else if ((stat & HSRX_RISC_INT) == 0)
2774 break;
2775
2776 switch (stat & 0xff) {
fafbda9f
AE		 2777 case INTR_ROM_MB_SUCCESS:
2778 case INTR_ROM_MB_FAILED:
2779 case INTR_MB_SUCCESS:
2780 case INTR_MB_FAILED:
e315cd28 2781 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2782 status |= MBX_INTERRUPT;
2783
2784 break;
fafbda9f 2785 case INTR_ASYNC_EVENT:
9a853f71
AV		 2786 mb[0] = MSW(stat);
2787 mb[1] = RD_REG_WORD(&reg->mailbox1);
2788 mb[2] = RD_REG_WORD(&reg->mailbox2);
2789 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2790 qla2x00_async_event(vha, rsp, mb);
9a853f71 2791 break;
fafbda9f
AE		 2792 case INTR_RSP_QUE_UPDATE:
2793 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2794 qla24xx_process_response_queue(vha, rsp);
9a853f71 2795 break;
2f424b9b
QT		 2796 case INTR_ATIO_QUE_UPDATE:{
2797 unsigned long flags2;
2798 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2799 qlt_24xx_process_atio_queue(vha, 1);
2800 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 2801 break;
2f424b9b
QT		 2802 }
2803 case INTR_ATIO_RSP_QUE_UPDATE: {
2804 unsigned long flags2;
2805 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2806 qlt_24xx_process_atio_queue(vha, 1);
2807 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2808
2d70c103
NB		 2809 qla24xx_process_response_queue(vha, rsp);
2810 break;
2f424b9b 2811 }
9a853f71 2812 default:
7c3df132
SK		 2813 ql_dbg(ql_dbg_async, vha, 0x504f,
2814 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2815 break;
2816 }
2817 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2818 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2819 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2820 ndelay(3500);
9a853f71 2821 }
36439832 2822 qla2x00_handle_mbx_completion(ha, status);
43fac4d9 2823 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71 2824
9a853f71
AV		 2825 return IRQ_HANDLED;
2826}
2827
a8488abe
AV		 2828static irqreturn_t
2829qla24xx_msix_rsp_q(int irq, void *dev_id)
2830{
e315cd28
AC		 2831 struct qla_hw_data *ha;
2832 struct rsp_que *rsp;
a8488abe 2833 struct device_reg_24xx __iomem *reg;
2afa19a9 2834 struct scsi_qla_host *vha;
0f19bc68 2835 unsigned long flags;
f3ddac19 2836 uint32_t stat = 0;
a8488abe 2837
e315cd28
AC		 2838 rsp = (struct rsp_que *) dev_id;
2839 if (!rsp) {
3256b435
CD		 2840 ql_log(ql_log_info, NULL, 0x505a,
2841 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2842 return IRQ_NONE;
2843 }
2844 ha = rsp->hw;
a8488abe
AV		 2845 reg = &ha->iobase->isp24;
2846
0f19bc68 2847 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2848
a67093d4 2849 vha = pci_get_drvdata(ha->pdev);
f3ddac19
CD		 2850 /*
2851 * Use host_status register to check to PCI disconnection before we
2852 * we process the response queue.
2853 */
2854 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2855 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2856 goto out;
2afa19a9 2857 qla24xx_process_response_queue(vha, rsp);
3155754a 2858 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2859 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2860 RD_REG_DWORD_RELAXED(&reg->hccr);
2861 }
f3ddac19 2862out:
0f19bc68 2863 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2864
2865 return IRQ_HANDLED;
2866}
2867
2868static irqreturn_t
2869qla24xx_msix_default(int irq, void *dev_id)
2870{
e315cd28
AC		 2871 scsi_qla_host_t *vha;
2872 struct qla_hw_data *ha;
2873 struct rsp_que *rsp;
a8488abe
AV		 2874 struct device_reg_24xx __iomem *reg;
2875 int status;
a8488abe
AV		 2876 uint32_t stat;
2877 uint32_t hccr;
7d613ac6 2878 uint16_t mb[8];
0f19bc68 2879 unsigned long flags;
a8488abe 2880
e315cd28
AC		 2881 rsp = (struct rsp_que *) dev_id;
2882 if (!rsp) {
3256b435
CD		 2883 ql_log(ql_log_info, NULL, 0x505c,
2884 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2885 return IRQ_NONE;
2886 }
2887 ha = rsp->hw;
a8488abe
AV		 2888 reg = &ha->iobase->isp24;
2889 status = 0;
2890
0f19bc68 2891 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2892 vha = pci_get_drvdata(ha->pdev);
87f27015 2893 do {
a8488abe 2894 stat = RD_REG_DWORD(&reg->host_status);
c821e0d5 2895 if (qla2x00_check_reg32_for_disconnect(vha, stat))
f3ddac19 2896 break;
a8488abe 2897 if (stat & HSRX_RISC_PAUSED) {
85880801 2898 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2899 break;
2900
a8488abe
AV		 2901 hccr = RD_REG_DWORD(&reg->hccr);
2902
7c3df132
SK		 2903 ql_log(ql_log_info, vha, 0x5050,
2904 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2905 hccr);
05236a05 2906
e315cd28 2907 qla2xxx_check_risc_status(vha);
05236a05 2908
e315cd28
AC		 2909 ha->isp_ops->fw_dump(vha, 1);
2910 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2911 break;
2912 } else if ((stat & HSRX_RISC_INT) == 0)
2913 break;
2914
2915 switch (stat & 0xff) {
fafbda9f
AE		 2916 case INTR_ROM_MB_SUCCESS:
2917 case INTR_ROM_MB_FAILED:
2918 case INTR_MB_SUCCESS:
2919 case INTR_MB_FAILED:
e315cd28 2920 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2921 status |= MBX_INTERRUPT;
2922
2923 break;
fafbda9f 2924 case INTR_ASYNC_EVENT:
a8488abe
AV		 2925 mb[0] = MSW(stat);
2926 mb[1] = RD_REG_WORD(&reg->mailbox1);
2927 mb[2] = RD_REG_WORD(&reg->mailbox2);
2928 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2929 qla2x00_async_event(vha, rsp, mb);
a8488abe 2930 break;
fafbda9f
AE		 2931 case INTR_RSP_QUE_UPDATE:
2932 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2933 qla24xx_process_response_queue(vha, rsp);
a8488abe 2934 break;
2f424b9b
QT		 2935 case INTR_ATIO_QUE_UPDATE:{
2936 unsigned long flags2;
2937 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2938 qlt_24xx_process_atio_queue(vha, 1);
2939 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2d70c103 2940 break;
2f424b9b
QT		 2941 }
2942 case INTR_ATIO_RSP_QUE_UPDATE: {
2943 unsigned long flags2;
2944 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2945 qlt_24xx_process_atio_queue(vha, 1);
2946 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2947
2d70c103
NB		 2948 qla24xx_process_response_queue(vha, rsp);
2949 break;
2f424b9b 2950 }
a8488abe 2951 default:
7c3df132
SK		 2952 ql_dbg(ql_dbg_async, vha, 0x5051,
2953 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2954 break;
2955 }
2956 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2957 } while (0);
36439832 2958 qla2x00_handle_mbx_completion(ha, status);
0f19bc68 2959 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe 2960
a8488abe
AV		 2961 return IRQ_HANDLED;
2962}
2963
d7459527
MH		 2964irqreturn_t
2965qla2xxx_msix_rsp_q(int irq, void *dev_id)
2966{
2967 struct qla_hw_data *ha;
2968 struct qla_qpair *qpair;
2969 struct device_reg_24xx __iomem *reg;
2970 unsigned long flags;
2971
2972 qpair = dev_id;
2973 if (!qpair) {
2974 ql_log(ql_log_info, NULL, 0x505b,
2975 "%s: NULL response queue pointer.\n", __func__);
2976 return IRQ_NONE;
2977 }
2978 ha = qpair->hw;
2979
2980 /* Clear the interrupt, if enabled, for this response queue */
2981 if (unlikely(!ha->flags.disable_msix_handshake)) {
2982 reg = &ha->iobase->isp24;
2983 spin_lock_irqsave(&ha->hardware_lock, flags);
2984 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2985 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2986 }
2987
2988 queue_work(ha->wq, &qpair->q_work);
2989
2990 return IRQ_HANDLED;
2991}
2992
a8488abe
AV		 2993/* Interrupt handling helpers. */
2994
2995struct qla_init_msix_entry {
a8488abe 2996 const char *name;
476834c2 2997 irq_handler_t handler;
a8488abe
AV		 2998};
2999
44a8f954 3000static const struct qla_init_msix_entry msix_entries[] = {
2afa19a9
AC		 3001 { "qla2xxx (default)", qla24xx_msix_default },
3002 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
093df737 3003 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
d7459527 3004 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
a8488abe
AV		 3005};
3006
44a8f954 3007static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
a9083016
GM		 3008 { "qla2xxx (default)", qla82xx_msix_default },
3009 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3010};
3011
a8488abe 3012static int
73208dfd 3013qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 3014{
3015 int i, ret;
a8488abe 3016 struct qla_msix_entry *qentry;
7c3df132 3017 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
17e5fc58
CH		 3018 struct irq_affinity desc = {
3019 .pre_vectors = QLA_BASE_VECTORS,
3020 };
3021
3022 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha))
3023 desc.pre_vectors++;
3024
3025 ret = pci_alloc_irq_vectors_affinity(ha->pdev, QLA_BASE_VECTORS,
3026 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3027 &desc);
73208dfd 3028
84e32a06
AG		 3029 if (ret < 0) {
3030 ql_log(ql_log_fatal, vha, 0x00c7,
3031 "MSI-X: Failed to enable support, "
3032 "giving up -- %d/%d.\n",
3033 ha->msix_count, ret);
3034 goto msix_out;
3035 } else if (ret < ha->msix_count) {
7c3df132
SK		 3036 ql_log(ql_log_warn, vha, 0x00c6,
3037 "MSI-X: Failed to enable support "
d7459527
MH		 3038 "with %d vectors, using %d vectors.\n",
3039 ha->msix_count, ret);
cb43285f 3040 ha->msix_count = ret;
d7459527
MH		 3041 /* Recalculate queue values */
3042 if (ha->mqiobase && ql2xmqsupport) {
3043 ha->max_req_queues = ha->msix_count - 1;
3044
3045 /* ATIOQ needs 1 vector. That's 1 less QPair */
3046 if (QLA_TGT_MODE_ENABLED())
3047 ha->max_req_queues--;
3048
3049 ha->max_rsp_queues = ha->max_req_queues;
3050
3051 ha->max_qpairs = ha->max_req_queues - 1;
3052 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3053 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3054 }
73208dfd
AC		 3055 }
3056 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3057 ha->msix_count, GFP_KERNEL);
3058 if (!ha->msix_entries) {
7c3df132
SK		 3059 ql_log(ql_log_fatal, vha, 0x00c8,
3060 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 3061 ret = -ENOMEM;
a8488abe
AV		 3062 goto msix_out;
3063 }
3064 ha->flags.msix_enabled = 1;
3065
73208dfd
AC		 3066 for (i = 0; i < ha->msix_count; i++) {
3067 qentry = &ha->msix_entries[i];
4fa18345
MH		 3068 qentry->vector = pci_irq_vector(ha->pdev, i);
3069 qentry->entry = i;
a8488abe 3070 qentry->have_irq = 0;
d7459527 3071 qentry->in_use = 0;
4fa18345 3072 qentry->handle = NULL;
a8488abe
AV		 3073 }
3074
2afa19a9 3075 /* Enable MSI-X vectors for the base queue */
17e5fc58 3076 for (i = 0; i < QLA_BASE_VECTORS; i++) {
2afa19a9 3077 qentry = &ha->msix_entries[i];
4fa18345 3078 qentry->handle = rsp;
ef8d1d51 3079 rsp->msix = qentry;
d7459527 3080 scnprintf(qentry->name, sizeof(qentry->name),
e2e8f619 3081 "%s", msix_entries[i].name);
f324777e 3082 if (IS_P3P_TYPE(ha))
a9083016
GM		 3083 ret = request_irq(qentry->vector,
3084 qla82xx_msix_entries[i].handler,
3085 0, qla82xx_msix_entries[i].name, rsp);
f324777e 3086 else
a9083016
GM		 3087 ret = request_irq(qentry->vector,
3088 msix_entries[i].handler,
3089 0, msix_entries[i].name, rsp);
f324777e
CD		 3090 if (ret)
3091 goto msix_register_fail;
3092 qentry->have_irq = 1;
093df737 3093 qentry->in_use = 1;
f324777e
CD		 3094 }
3095
3096 /*
3097 * If target mode is enable, also request the vector for the ATIO
3098 * queue.
3099 */
3100 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
093df737 3101 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
ef8d1d51 3102 rsp->msix = qentry;
d7459527
MH		 3103 qentry->handle = rsp;
3104 scnprintf(qentry->name, sizeof(qentry->name),
e2e8f619 3105 "%s", msix_entries[QLA_ATIO_VECTOR].name);
093df737 3106 qentry->in_use = 1;
f324777e 3107 ret = request_irq(qentry->vector,
093df737
QT		 3108 msix_entries[QLA_ATIO_VECTOR].handler,
3109 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
2afa19a9 3110 qentry->have_irq = 1;
73208dfd 3111 }
73208dfd 3112
f324777e
CD		 3113msix_register_fail:
3114 if (ret) {
3115 ql_log(ql_log_fatal, vha, 0x00cb,
3116 "MSI-X: unable to register handler -- %x/%d.\n",
3117 qentry->vector, ret);
4fa18345 3118 qla2x00_free_irqs(vha);
f324777e
CD		 3119 ha->mqenable = 0;
3120 goto msix_out;
3121 }
3122
73208dfd 3123 /* Enable MSI-X vector for response queue update for queue 0 */
f73cb695 3124 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
6246b8a1 3125 if (ha->msixbase && ha->mqiobase &&
d7459527
MH		 3126 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3127 ql2xmqsupport))
6246b8a1
GM		 3128 ha->mqenable = 1;
3129 } else
d7459527
MH		 3130 if (ha->mqiobase &&
3131 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3132 ql2xmqsupport))
6246b8a1 3133 ha->mqenable = 1;
7c3df132
SK		 3134 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3135 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3136 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3137 ql_dbg(ql_dbg_init, vha, 0x0055,
3138 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3139 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 3140
a8488abe
AV		 3141msix_out:
3142 return ret;
3143}
3144
3145int
73208dfd 3146qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 3147{
7fa3e239 3148 int ret = QLA_FUNCTION_FAILED;
f73cb695 3149 device_reg_t *reg = ha->iobase;
7c3df132 3150 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 3151
3152 /* If possible, enable MSI-X. */
6246b8a1 3153 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3154 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3155 !IS_QLA27XX(ha))
6377a7ae
BH		 3156 goto skip_msi;
3157
3158 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3159 (ha->pdev->subsystem_device == 0x7040 ||
3160 ha->pdev->subsystem_device == 0x7041 ||
3161 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 3162 ql_log(ql_log_warn, vha, 0x0034,
3163 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 3164 ha->pdev->subsystem_vendor,
7c3df132 3165 ha->pdev->subsystem_device);
6377a7ae
BH		 3166 goto skip_msi;
3167 }
a8488abe 3168
42cd4f5d 3169 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 3170 ql_log(ql_log_warn, vha, 0x0035,
3171 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 3172 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 3173 goto skip_msix;
3174 }
3175
73208dfd 3176 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 3177 if (!ret) {
7c3df132
SK		 3178 ql_dbg(ql_dbg_init, vha, 0x0036,
3179 "MSI-X: Enabled (0x%X, 0x%X).\n",
3180 ha->chip_revision, ha->fw_attributes);
963b0fdd 3181 goto clear_risc_ints;
a8488abe 3182 }
7fa3e239 3183
a8488abe 3184skip_msix:
cbedb601 3185
7fa3e239
SC		 3186 ql_log(ql_log_info, vha, 0x0037,
3187 "Falling back-to MSI mode -%d.\n", ret);
3188
3a03eb79 3189 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
f73cb695
CD		 3190 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3191 !IS_QLA27XX(ha))
cbedb601
AV		 3192 goto skip_msi;
3193
4fa18345 3194 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
cbedb601 3195 if (!ret) {
7c3df132
SK		 3196 ql_dbg(ql_dbg_init, vha, 0x0038,
3197 "MSI: Enabled.\n");
cbedb601 3198 ha->flags.msi_enabled = 1;
a9083016 3199 } else
7c3df132 3200 ql_log(ql_log_warn, vha, 0x0039,
7fa3e239
SC		 3201 "Falling back-to INTa mode -- %d.\n", ret);
3202skip_msi:
a033b655
GM		 3203
3204 /* Skip INTx on ISP82xx. */
3205 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3206 return QLA_FUNCTION_FAILED;
3207
fd34f556 3208 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 3209 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3210 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 3211 if (ret) {
7c3df132 3212 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 3213 "Failed to reserve interrupt %d already in use.\n",
3214 ha->pdev->irq);
963b0fdd 3215 goto fail;
8ae6d9c7 3216 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 3217 ql_dbg(ql_dbg_init, vha, 0x0125,
3218 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3219 ha->flags.mr_intr_valid = 1;
3220 }
7992abfc 3221
963b0fdd 3222clear_risc_ints:
4bb2efc4
JC		 3223 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3224 goto fail;
963b0fdd 3225
c6952483 3226 spin_lock_irq(&ha->hardware_lock);
4bb2efc4 3227 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3228 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3229
963b0fdd 3230fail:
a8488abe
AV		 3231 return ret;
3232}
3233
3234void
e315cd28 3235qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3236{
e315cd28 3237 struct qla_hw_data *ha = vha->hw;
9a347ff4 3238 struct rsp_que *rsp;
4fa18345
MH		 3239 struct qla_msix_entry *qentry;
3240 int i;
9a347ff4
CD		 3241
3242 /*
3243 * We need to check that ha->rsp_q_map is valid in case we are called
3244 * from a probe failure context.
3245 */
3246 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
27873de9 3247 goto free_irqs;
9a347ff4 3248 rsp = ha->rsp_q_map[0];
a8488abe 3249
4fa18345
MH		 3250 if (ha->flags.msix_enabled) {
3251 for (i = 0; i < ha->msix_count; i++) {
3252 qentry = &ha->msix_entries[i];
3253 if (qentry->have_irq) {
3254 irq_set_affinity_notifier(qentry->vector, NULL);
3255 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3256 }
3257 }
3258 kfree(ha->msix_entries);
3259 ha->msix_entries = NULL;
3260 ha->flags.msix_enabled = 0;
3261 ql_dbg(ql_dbg_init, vha, 0x0042,
3262 "Disabled MSI-X.\n");
3263 } else {
3264 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3265 }
e315cd28 3266
27873de9 3267free_irqs:
4fa18345 3268 pci_free_irq_vectors(ha->pdev);
a8488abe 3269}
73208dfd 3270
d7459527
MH		 3271int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3272 struct qla_msix_entry *msix, int vector_type)
73208dfd 3273{
44a8f954 3274 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
7c3df132 3275 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3276 int ret;
3277
d7459527
MH		 3278 scnprintf(msix->name, sizeof(msix->name),
3279 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3280 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
73208dfd 3281 if (ret) {
7c3df132
SK		 3282 ql_log(ql_log_fatal, vha, 0x00e6,
3283 "MSI-X: Unable to register handler -- %x/%d.\n",
3284 msix->vector, ret);
73208dfd
AC		 3285 return ret;
3286 }
3287 msix->have_irq = 1;
d7459527 3288 msix->handle = qpair;
73208dfd
AC		 3289 return ret;
3290}
Linux 6.x block layer and io_uring tree(s)