projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Linux 3.10-rc1
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_isr.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
1e63395c 3 * Copyright (c) 2003-2013 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
2d70c103 8#include "qla_target.h"
1da177e4 9
05236a05 10#include <linux/delay.h>
5a0e3ad6 11#include <linux/slab.h>
df7baa50 12#include <scsi/scsi_tcq.h>
9a069e19 13#include <scsi/scsi_bsg_fc.h>
bad75002 14#include <scsi/scsi_eh.h>
df7baa50 15
1da177e4 16static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
73208dfd 17static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
2afa19a9 18static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
73208dfd
AC		 19static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
20 sts_entry_t *);
9a853f71 21
1da177e4
LT		 22/**
23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
24 * @irq:
25 * @dev_id: SCSI driver HA context
1da177e4
LT		 26 *
27 * Called by system whenever the host adapter generates an interrupt.
28 *
29 * Returns handled flag.
30 */
31irqreturn_t
7d12e780 32qla2100_intr_handler(int irq, void *dev_id)
1da177e4 33{
e315cd28
AC		 34 scsi_qla_host_t *vha;
35 struct qla_hw_data *ha;
3d71644c 36 struct device_reg_2xxx __iomem *reg;
1da177e4 37 int status;
1da177e4 38 unsigned long iter;
14e660e6 39 uint16_t hccr;
9a853f71 40 uint16_t mb[4];
e315cd28 41 struct rsp_que *rsp;
43fac4d9 42 unsigned long flags;
1da177e4 43
e315cd28
AC		 44 rsp = (struct rsp_que *) dev_id;
45 if (!rsp) {
3256b435
CD		 46 ql_log(ql_log_info, NULL, 0x505d,
47 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 48 return (IRQ_NONE);
49 }
50
e315cd28 51 ha = rsp->hw;
3d71644c 52 reg = &ha->iobase->isp;
1da177e4
LT		 53 status = 0;
54
43fac4d9 55 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 56 vha = pci_get_drvdata(ha->pdev);
1da177e4 57 for (iter = 50; iter--; ) {
14e660e6
SJ		 58 hccr = RD_REG_WORD(&reg->hccr);
59 if (hccr & HCCR_RISC_PAUSE) {
60 if (pci_channel_offline(ha->pdev))
61 break;
62
63 /*
64 * Issue a "HARD" reset in order for the RISC interrupt
a06a0f8e 65 * bit to be cleared. Schedule a big hammer to get
14e660e6
SJ		 66 * out of the RISC PAUSED state.
67 */
68 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
69 RD_REG_WORD(&reg->hccr);
70
e315cd28
AC		 71 ha->isp_ops->fw_dump(vha, 1);
72 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
14e660e6
SJ		 73 break;
74 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
1da177e4
LT		 75 break;
76
77 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
78 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
79 RD_REG_WORD(&reg->hccr);
80
81 /* Get mailbox data. */
9a853f71
AV		 82 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
83 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
e315cd28 84 qla2x00_mbx_completion(vha, mb[0]);
1da177e4 85 status |= MBX_INTERRUPT;
9a853f71
AV		 86 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
87 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
88 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
89 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 90 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 91 } else {
92 /*EMPTY*/
7c3df132
SK		 93 ql_dbg(ql_dbg_async, vha, 0x5025,
94 "Unrecognized interrupt type (%d).\n",
95 mb[0]);
1da177e4
LT		 96 }
97 /* Release mailbox registers. */
98 WRT_REG_WORD(&reg->semaphore, 0);
99 RD_REG_WORD(&reg->semaphore);
100 } else {
73208dfd 101 qla2x00_process_response_queue(rsp);
1da177e4
LT		 102
103 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
104 RD_REG_WORD(&reg->hccr);
105 }
106 }
43fac4d9 107 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 108
1da177e4
LT		 109 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
110 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
1da177e4 111 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 112 complete(&ha->mbx_intr_comp);
1da177e4
LT		 113 }
114
1da177e4
LT		 115 return (IRQ_HANDLED);
116}
117
118/**
119 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
120 * @irq:
121 * @dev_id: SCSI driver HA context
1da177e4
LT		 122 *
123 * Called by system whenever the host adapter generates an interrupt.
124 *
125 * Returns handled flag.
126 */
127irqreturn_t
7d12e780 128qla2300_intr_handler(int irq, void *dev_id)
1da177e4 129{
e315cd28 130 scsi_qla_host_t *vha;
3d71644c 131 struct device_reg_2xxx __iomem *reg;
1da177e4 132 int status;
1da177e4
LT		 133 unsigned long iter;
134 uint32_t stat;
1da177e4 135 uint16_t hccr;
9a853f71 136 uint16_t mb[4];
e315cd28
AC		 137 struct rsp_que *rsp;
138 struct qla_hw_data *ha;
43fac4d9 139 unsigned long flags;
1da177e4 140
e315cd28
AC		 141 rsp = (struct rsp_que *) dev_id;
142 if (!rsp) {
3256b435
CD		 143 ql_log(ql_log_info, NULL, 0x5058,
144 "%s: NULL response queue pointer.\n", __func__);
1da177e4
LT		 145 return (IRQ_NONE);
146 }
147
e315cd28 148 ha = rsp->hw;
3d71644c 149 reg = &ha->iobase->isp;
1da177e4
LT		 150 status = 0;
151
43fac4d9 152 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 153 vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 154 for (iter = 50; iter--; ) {
155 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
156 if (stat & HSR_RISC_PAUSED) {
85880801 157 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 158 break;
159
1da177e4
LT		 160 hccr = RD_REG_WORD(&reg->hccr);
161 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
7c3df132
SK		 162 ql_log(ql_log_warn, vha, 0x5026,
163 "Parity error -- HCCR=%x, Dumping "
164 "firmware.\n", hccr);
1da177e4 165 else
7c3df132
SK		 166 ql_log(ql_log_warn, vha, 0x5027,
167 "RISC paused -- HCCR=%x, Dumping "
168 "firmware.\n", hccr);
1da177e4
LT		 169
170 /*
171 * Issue a "HARD" reset in order for the RISC
172 * interrupt bit to be cleared. Schedule a big
a06a0f8e 173 * hammer to get out of the RISC PAUSED state.
1da177e4
LT		 174 */
175 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
176 RD_REG_WORD(&reg->hccr);
07f31805 177
e315cd28
AC		 178 ha->isp_ops->fw_dump(vha, 1);
179 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 180 break;
181 } else if ((stat & HSR_RISC_INT) == 0)
182 break;
183
1da177e4 184 switch (stat & 0xff) {
1da177e4
LT		 185 case 0x1:
186 case 0x2:
187 case 0x10:
188 case 0x11:
e315cd28 189 qla2x00_mbx_completion(vha, MSW(stat));
1da177e4
LT		 190 status |= MBX_INTERRUPT;
191
192 /* Release mailbox registers. */
193 WRT_REG_WORD(&reg->semaphore, 0);
194 break;
195 case 0x12:
9a853f71
AV		 196 mb[0] = MSW(stat);
197 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
198 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
199 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
73208dfd 200 qla2x00_async_event(vha, rsp, mb);
9a853f71
AV		 201 break;
202 case 0x13:
73208dfd 203 qla2x00_process_response_queue(rsp);
1da177e4
LT		 204 break;
205 case 0x15:
9a853f71
AV		 206 mb[0] = MBA_CMPLT_1_16BIT;
207 mb[1] = MSW(stat);
73208dfd 208 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 209 break;
210 case 0x16:
9a853f71
AV		 211 mb[0] = MBA_SCSI_COMPLETION;
212 mb[1] = MSW(stat);
213 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
73208dfd 214 qla2x00_async_event(vha, rsp, mb);
1da177e4
LT		 215 break;
216 default:
7c3df132
SK		 217 ql_dbg(ql_dbg_async, vha, 0x5028,
218 "Unrecognized interrupt type (%d).\n", stat & 0xff);
1da177e4
LT		 219 break;
220 }
221 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
222 RD_REG_WORD_RELAXED(&reg->hccr);
223 }
43fac4d9 224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 225
1da177e4
LT		 226 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
227 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
1da177e4 228 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 229 complete(&ha->mbx_intr_comp);
1da177e4
LT		 230 }
231
1da177e4
LT		 232 return (IRQ_HANDLED);
233}
234
235/**
236 * qla2x00_mbx_completion() - Process mailbox command completions.
237 * @ha: SCSI driver HA context
238 * @mb0: Mailbox0 register
239 */
240static void
e315cd28 241qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1da177e4
LT		 242{
243 uint16_t cnt;
4fa94f83 244 uint32_t mboxes;
1da177e4 245 uint16_t __iomem *wptr;
e315cd28 246 struct qla_hw_data *ha = vha->hw;
3d71644c 247 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 248
4fa94f83
AV		 249 /* Read all mbox registers? */
250 mboxes = (1 << ha->mbx_count) - 1;
251 if (!ha->mcp)
a720101d 252 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
4fa94f83
AV		 253 else
254 mboxes = ha->mcp->in_mb;
255
1da177e4
LT		 256 /* Load return mailbox registers. */
257 ha->flags.mbox_int = 1;
258 ha->mailbox_out[0] = mb0;
4fa94f83 259 mboxes >>= 1;
1da177e4
LT		 260 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
261
262 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
fa2a1ce5 263 if (IS_QLA2200(ha) && cnt == 8)
1da177e4 264 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
4fa94f83 265 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
1da177e4 266 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
4fa94f83 267 else if (mboxes & BIT_0)
1da177e4 268 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
fa2a1ce5 269
1da177e4 270 wptr++;
4fa94f83 271 mboxes >>= 1;
1da177e4 272 }
1da177e4
LT		 273}
274
8a659571
AV		 275static void
276qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
277{
278 static char *event[] =
279 { "Complete", "Request Notification", "Time Extension" };
280 int rval;
281 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
282 uint16_t __iomem *wptr;
283 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
284
285 /* Seed data -- mailbox1 -> mailbox7. */
286 wptr = (uint16_t __iomem *)&reg24->mailbox1;
287 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
288 mb[cnt] = RD_REG_WORD(wptr);
289
7c3df132 290 ql_dbg(ql_dbg_async, vha, 0x5021,
6246b8a1 291 "Inter-Driver Communication %s -- "
7c3df132
SK		 292 "%04x %04x %04x %04x %04x %04x %04x.\n",
293 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
294 mb[4], mb[5], mb[6]);
bf5b8ad7
CD		 295 if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) {
296 vha->hw->flags.idc_compl_status = 1;
297 if (vha->hw->notify_dcbx_comp)
298 complete(&vha->hw->dcbx_comp);
299 }
8a659571 300
bf5b8ad7
CD		 301 /* Acknowledgement needed? [Notify && non-zero timeout]. */
302 timeout = (descr >> 8) & 0xf;
303 if (aen != MBA_IDC_NOTIFY || !timeout)
304 return;
8fcd6b8b 305
bf5b8ad7
CD		 306 ql_dbg(ql_dbg_async, vha, 0x5022,
307 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
308 vha->host_no, event[aen & 0xff], timeout);
8a659571
AV		 309
310 rval = qla2x00_post_idc_ack_work(vha, mb);
311 if (rval != QLA_SUCCESS)
7c3df132 312 ql_log(ql_log_warn, vha, 0x5023,
8a659571
AV		 313 "IDC failed to post ACK.\n");
314}
315
daae62a3 316#define LS_UNKNOWN 2
d0297c9a
JC		 317const char *
318qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
daae62a3 319{
d0297c9a
JC		 320 static const char * const link_speeds[] = {
321 "1", "2", "?", "4", "8", "16", "10"
322 };
daae62a3
CD		 323
324 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d0297c9a
JC		 325 return link_speeds[0];
326 else if (speed == 0x13)
327 return link_speeds[6];
328 else if (speed < 6)
329 return link_speeds[speed];
330 else
331 return link_speeds[LS_UNKNOWN];
daae62a3
CD		 332}
333
fa492630 334static void
7d613ac6
SV		 335qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
336{
337 struct qla_hw_data *ha = vha->hw;
338
339 /*
340 * 8200 AEN Interpretation:
341 * mb[0] = AEN code
342 * mb[1] = AEN Reason code
343 * mb[2] = LSW of Peg-Halt Status-1 Register
344 * mb[6] = MSW of Peg-Halt Status-1 Register
345 * mb[3] = LSW of Peg-Halt Status-2 register
346 * mb[7] = MSW of Peg-Halt Status-2 register
347 * mb[4] = IDC Device-State Register value
348 * mb[5] = IDC Driver-Presence Register value
349 */
350 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
351 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
352 mb[0], mb[1], mb[2], mb[6]);
353 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
354 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
355 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
356
357 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
358 IDC_HEARTBEAT_FAILURE)) {
359 ha->flags.nic_core_hung = 1;
360 ql_log(ql_log_warn, vha, 0x5060,
361 "83XX: F/W Error Reported: Check if reset required.\n");
362
363 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
364 uint32_t protocol_engine_id, fw_err_code, err_level;
365
366 /*
367 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
368 * - PEG-Halt Status-1 Register:
369 * (LSW = mb[2], MSW = mb[6])
370 * Bits 0-7 = protocol-engine ID
371 * Bits 8-28 = f/w error code
372 * Bits 29-31 = Error-level
373 * Error-level 0x1 = Non-Fatal error
374 * Error-level 0x2 = Recoverable Fatal error
375 * Error-level 0x4 = UnRecoverable Fatal error
376 * - PEG-Halt Status-2 Register:
377 * (LSW = mb[3], MSW = mb[7])
378 */
379 protocol_engine_id = (mb[2] & 0xff);
380 fw_err_code = (((mb[2] & 0xff00) >> 8) |
381 ((mb[6] & 0x1fff) << 8));
382 err_level = ((mb[6] & 0xe000) >> 13);
383 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
384 "Register: protocol_engine_id=0x%x "
385 "fw_err_code=0x%x err_level=0x%x.\n",
386 protocol_engine_id, fw_err_code, err_level);
387 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
388 "Register: 0x%x%x.\n", mb[7], mb[3]);
389 if (err_level == ERR_LEVEL_NON_FATAL) {
390 ql_log(ql_log_warn, vha, 0x5063,
391 "Not a fatal error, f/w has recovered "
392 "iteself.\n");
393 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
394 ql_log(ql_log_fatal, vha, 0x5064,
395 "Recoverable Fatal error: Chip reset "
396 "required.\n");
397 qla83xx_schedule_work(vha,
398 QLA83XX_NIC_CORE_RESET);
399 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
400 ql_log(ql_log_fatal, vha, 0x5065,
401 "Unrecoverable Fatal error: Set FAILED "
402 "state, reboot required.\n");
403 qla83xx_schedule_work(vha,
404 QLA83XX_NIC_CORE_UNRECOVERABLE);
405 }
406 }
407
408 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
409 uint16_t peg_fw_state, nw_interface_link_up;
410 uint16_t nw_interface_signal_detect, sfp_status;
411 uint16_t htbt_counter, htbt_monitor_enable;
412 uint16_t sfp_additonal_info, sfp_multirate;
413 uint16_t sfp_tx_fault, link_speed, dcbx_status;
414
415 /*
416 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
417 * - PEG-to-FC Status Register:
418 * (LSW = mb[2], MSW = mb[6])
419 * Bits 0-7 = Peg-Firmware state
420 * Bit 8 = N/W Interface Link-up
421 * Bit 9 = N/W Interface signal detected
422 * Bits 10-11 = SFP Status
423 * SFP Status 0x0 = SFP+ transceiver not expected
424 * SFP Status 0x1 = SFP+ transceiver not present
425 * SFP Status 0x2 = SFP+ transceiver invalid
426 * SFP Status 0x3 = SFP+ transceiver present and
427 * valid
428 * Bits 12-14 = Heartbeat Counter
429 * Bit 15 = Heartbeat Monitor Enable
430 * Bits 16-17 = SFP Additional Info
431 * SFP info 0x0 = Unregocnized transceiver for
432 * Ethernet
433 * SFP info 0x1 = SFP+ brand validation failed
434 * SFP info 0x2 = SFP+ speed validation failed
435 * SFP info 0x3 = SFP+ access error
436 * Bit 18 = SFP Multirate
437 * Bit 19 = SFP Tx Fault
438 * Bits 20-22 = Link Speed
439 * Bits 23-27 = Reserved
440 * Bits 28-30 = DCBX Status
441 * DCBX Status 0x0 = DCBX Disabled
442 * DCBX Status 0x1 = DCBX Enabled
443 * DCBX Status 0x2 = DCBX Exchange error
444 * Bit 31 = Reserved
445 */
446 peg_fw_state = (mb[2] & 0x00ff);
447 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
448 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
449 sfp_status = ((mb[2] & 0x0c00) >> 10);
450 htbt_counter = ((mb[2] & 0x7000) >> 12);
451 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
452 sfp_additonal_info = (mb[6] & 0x0003);
453 sfp_multirate = ((mb[6] & 0x0004) >> 2);
454 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
455 link_speed = ((mb[6] & 0x0070) >> 4);
456 dcbx_status = ((mb[6] & 0x7000) >> 12);
457
458 ql_log(ql_log_warn, vha, 0x5066,
459 "Peg-to-Fc Status Register:\n"
460 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
461 "nw_interface_signal_detect=0x%x"
462 "\nsfp_statis=0x%x.\n ", peg_fw_state,
463 nw_interface_link_up, nw_interface_signal_detect,
464 sfp_status);
465 ql_log(ql_log_warn, vha, 0x5067,
466 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
467 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
468 htbt_counter, htbt_monitor_enable,
469 sfp_additonal_info, sfp_multirate);
470 ql_log(ql_log_warn, vha, 0x5068,
471 "sfp_tx_fault=0x%x, link_state=0x%x, "
472 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
473 dcbx_status);
474
475 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
476 }
477
478 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
479 ql_log(ql_log_warn, vha, 0x5069,
480 "Heartbeat Failure encountered, chip reset "
481 "required.\n");
482
483 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
484 }
485 }
486
487 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
488 ql_log(ql_log_info, vha, 0x506a,
489 "IDC Device-State changed = 0x%x.\n", mb[4]);
6c3943cd
SK		 490 if (ha->flags.nic_core_reset_owner)
491 return;
7d613ac6
SV		 492 qla83xx_schedule_work(vha, MBA_IDC_AEN);
493 }
494}
495
bb4cf5b7
CD		 496int
497qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
498{
499 struct qla_hw_data *ha = vha->hw;
500 scsi_qla_host_t *vp;
501 uint32_t vp_did;
502 unsigned long flags;
503 int ret = 0;
504
505 if (!ha->num_vhosts)
506 return ret;
507
508 spin_lock_irqsave(&ha->vport_slock, flags);
509 list_for_each_entry(vp, &ha->vp_list, list) {
510 vp_did = vp->d_id.b24;
511 if (vp_did == rscn_entry) {
512 ret = 1;
513 break;
514 }
515 }
516 spin_unlock_irqrestore(&ha->vport_slock, flags);
517
518 return ret;
519}
520
1da177e4
LT		 521/**
522 * qla2x00_async_event() - Process aynchronous events.
523 * @ha: SCSI driver HA context
9a853f71 524 * @mb: Mailbox registers (0 - 3)
1da177e4 525 */
2c3dfe3f 526void
73208dfd 527qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
1da177e4 528{
1da177e4 529 uint16_t handle_cnt;
bdab23da 530 uint16_t cnt, mbx;
1da177e4 531 uint32_t handles[5];
e315cd28 532 struct qla_hw_data *ha = vha->hw;
3d71644c 533 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
bdab23da 534 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
bc5c2aad 535 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1da177e4 536 uint32_t rscn_entry, host_pid;
4d4df193 537 unsigned long flags;
1da177e4
LT		 538
539 /* Setup to process RIO completion. */
540 handle_cnt = 0;
6246b8a1 541 if (IS_CNA_CAPABLE(ha))
3a03eb79 542 goto skip_rio;
1da177e4
LT		 543 switch (mb[0]) {
544 case MBA_SCSI_COMPLETION:
9a853f71 545 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 546 handle_cnt = 1;
547 break;
548 case MBA_CMPLT_1_16BIT:
9a853f71 549 handles[0] = mb[1];
1da177e4
LT		 550 handle_cnt = 1;
551 mb[0] = MBA_SCSI_COMPLETION;
552 break;
553 case MBA_CMPLT_2_16BIT:
9a853f71
AV		 554 handles[0] = mb[1];
555 handles[1] = mb[2];
1da177e4
LT		 556 handle_cnt = 2;
557 mb[0] = MBA_SCSI_COMPLETION;
558 break;
559 case MBA_CMPLT_3_16BIT:
9a853f71
AV		 560 handles[0] = mb[1];
561 handles[1] = mb[2];
562 handles[2] = mb[3];
1da177e4
LT		 563 handle_cnt = 3;
564 mb[0] = MBA_SCSI_COMPLETION;
565 break;
566 case MBA_CMPLT_4_16BIT:
9a853f71
AV		 567 handles[0] = mb[1];
568 handles[1] = mb[2];
569 handles[2] = mb[3];
1da177e4
LT		 570 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
571 handle_cnt = 4;
572 mb[0] = MBA_SCSI_COMPLETION;
573 break;
574 case MBA_CMPLT_5_16BIT:
9a853f71
AV		 575 handles[0] = mb[1];
576 handles[1] = mb[2];
577 handles[2] = mb[3];
1da177e4
LT		 578 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
579 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
580 handle_cnt = 5;
581 mb[0] = MBA_SCSI_COMPLETION;
582 break;
583 case MBA_CMPLT_2_32BIT:
9a853f71 584 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
1da177e4
LT		 585 handles[1] = le32_to_cpu(
586 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
587 RD_MAILBOX_REG(ha, reg, 6));
588 handle_cnt = 2;
589 mb[0] = MBA_SCSI_COMPLETION;
590 break;
591 default:
592 break;
593 }
3a03eb79 594skip_rio:
1da177e4
LT		 595 switch (mb[0]) {
596 case MBA_SCSI_COMPLETION: /* Fast Post */
e315cd28 597 if (!vha->flags.online)
1da177e4
LT		 598 break;
599
600 for (cnt = 0; cnt < handle_cnt; cnt++)
73208dfd
AC		 601 qla2x00_process_completed_request(vha, rsp->req,
602 handles[cnt]);
1da177e4
LT		 603 break;
604
605 case MBA_RESET: /* Reset */
7c3df132
SK		 606 ql_dbg(ql_dbg_async, vha, 0x5002,
607 "Asynchronous RESET.\n");
1da177e4 608
e315cd28 609 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 610 break;
611
612 case MBA_SYSTEM_ERR: /* System Error */
6246b8a1
GM		 613 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ?
614 RD_REG_WORD(&reg24->mailbox7) : 0;
7c3df132 615 ql_log(ql_log_warn, vha, 0x5003,
bdab23da
AV		 616 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
617 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
1da177e4 618
e315cd28 619 ha->isp_ops->fw_dump(vha, 1);
1da177e4 620
e428924c 621 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 622 if (mb[1] == 0 && mb[2] == 0) {
7c3df132 623 ql_log(ql_log_fatal, vha, 0x5004,
9a853f71
AV		 624 "Unrecoverable Hardware Error: adapter "
625 "marked OFFLINE!\n");
e315cd28 626 vha->flags.online = 0;
6246b8a1 627 vha->device_flags |= DFLG_DEV_FAILED;
b1d46989 628 } else {
25985edc 629 /* Check to see if MPI timeout occurred */
b1d46989
MI		 630 if ((mbx & MBX_3) && (ha->flags.port0))
631 set_bit(MPI_RESET_NEEDED,
632 &vha->dpc_flags);
633
e315cd28 634 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
b1d46989 635 }
9a853f71 636 } else if (mb[1] == 0) {
7c3df132 637 ql_log(ql_log_fatal, vha, 0x5005,
1da177e4
LT		 638 "Unrecoverable Hardware Error: adapter marked "
639 "OFFLINE!\n");
e315cd28 640 vha->flags.online = 0;
6246b8a1 641 vha->device_flags |= DFLG_DEV_FAILED;
1da177e4 642 } else
e315cd28 643 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 644 break;
645
646 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
7c3df132
SK		 647 ql_log(ql_log_warn, vha, 0x5006,
648 "ISP Request Transfer Error (%x).\n", mb[1]);
1da177e4 649
e315cd28 650 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 651 break;
652
653 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
7c3df132
SK		 654 ql_log(ql_log_warn, vha, 0x5007,
655 "ISP Response Transfer Error.\n");
1da177e4 656
e315cd28 657 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 658 break;
659
660 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
7c3df132
SK		 661 ql_dbg(ql_dbg_async, vha, 0x5008,
662 "Asynchronous WAKEUP_THRES.\n");
1da177e4 663
2d70c103 664 break;
1da177e4 665 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
cfb0919c 666 ql_dbg(ql_dbg_async, vha, 0x5009,
7c3df132 667 "LIP occurred (%x).\n", mb[1]);
1da177e4 668
e315cd28
AC		 669 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
670 atomic_set(&vha->loop_state, LOOP_DOWN);
671 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
672 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 673 }
674
e315cd28
AC		 675 if (vha->vp_idx) {
676 atomic_set(&vha->vp_state, VP_FAILED);
677 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 678 }
679
e315cd28
AC		 680 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
681 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 682
e315cd28
AC		 683 vha->flags.management_server_logged_in = 0;
684 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
1da177e4
LT		 685 break;
686
687 case MBA_LOOP_UP: /* Loop Up Event */
daae62a3 688 if (IS_QLA2100(ha) || IS_QLA2200(ha))
d8b45213 689 ha->link_data_rate = PORT_SPEED_1GB;
daae62a3 690 else
1da177e4 691 ha->link_data_rate = mb[1];
1da177e4 692
cfb0919c 693 ql_dbg(ql_dbg_async, vha, 0x500a,
daae62a3 694 "LOOP UP detected (%s Gbps).\n",
d0297c9a 695 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4 696
e315cd28
AC		 697 vha->flags.management_server_logged_in = 0;
698 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
1da177e4
LT		 699 break;
700
701 case MBA_LOOP_DOWN: /* Loop Down Event */
6246b8a1
GM		 702 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
703 ? RD_REG_WORD(&reg24->mailbox4) : 0;
bc5c2aad 704 mbx = IS_QLA82XX(ha) ? RD_REG_WORD(&reg82->mailbox_out[4]) : mbx;
cfb0919c 705 ql_dbg(ql_dbg_async, vha, 0x500b,
7c3df132
SK		 706 "LOOP DOWN detected (%x %x %x %x).\n",
707 mb[1], mb[2], mb[3], mbx);
1da177e4 708
e315cd28
AC		 709 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
710 atomic_set(&vha->loop_state, LOOP_DOWN);
711 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
712 vha->device_flags |= DFLG_NO_CABLE;
713 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 714 }
715
e315cd28
AC		 716 if (vha->vp_idx) {
717 atomic_set(&vha->vp_state, VP_FAILED);
718 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 719 }
720
e315cd28 721 vha->flags.management_server_logged_in = 0;
d8b45213 722 ha->link_data_rate = PORT_SPEED_UNKNOWN;
e315cd28 723 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
1da177e4
LT		 724 break;
725
726 case MBA_LIP_RESET: /* LIP reset occurred */
cfb0919c 727 ql_dbg(ql_dbg_async, vha, 0x500c,
cc3ef7bc 728 "LIP reset occurred (%x).\n", mb[1]);
1da177e4 729
e315cd28
AC		 730 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
731 atomic_set(&vha->loop_state, LOOP_DOWN);
732 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
733 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 734 }
735
e315cd28
AC		 736 if (vha->vp_idx) {
737 atomic_set(&vha->vp_state, VP_FAILED);
738 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 739 }
740
e315cd28 741 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 742
743 ha->operating_mode = LOOP;
e315cd28
AC		 744 vha->flags.management_server_logged_in = 0;
745 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
1da177e4
LT		 746 break;
747
3a03eb79 748 /* case MBA_DCBX_COMPLETE: */
1da177e4
LT		 749 case MBA_POINT_TO_POINT: /* Point-to-Point */
750 if (IS_QLA2100(ha))
751 break;
752
6246b8a1 753 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) {
7c3df132
SK		 754 ql_dbg(ql_dbg_async, vha, 0x500d,
755 "DCBX Completed -- %04x %04x %04x.\n",
756 mb[1], mb[2], mb[3]);
23f2ebd1
SR		 757 if (ha->notify_dcbx_comp)
758 complete(&ha->dcbx_comp);
759
760 } else
7c3df132
SK		 761 ql_dbg(ql_dbg_async, vha, 0x500e,
762 "Asynchronous P2P MODE received.\n");
1da177e4
LT		 763
764 /*
765 * Until there's a transition from loop down to loop up, treat
766 * this as loop down only.
767 */
e315cd28
AC		 768 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
769 atomic_set(&vha->loop_state, LOOP_DOWN);
770 if (!atomic_read(&vha->loop_down_timer))
771 atomic_set(&vha->loop_down_timer,
1da177e4 772 LOOP_DOWN_TIME);
e315cd28 773 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 774 }
775
e315cd28
AC		 776 if (vha->vp_idx) {
777 atomic_set(&vha->vp_state, VP_FAILED);
778 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 779 }
780
e315cd28
AC		 781 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
782 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
783
784 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
785 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
4346b149
AV		 786
787 ha->flags.gpsc_supported = 1;
e315cd28 788 vha->flags.management_server_logged_in = 0;
1da177e4
LT		 789 break;
790
791 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
792 if (IS_QLA2100(ha))
793 break;
794
cfb0919c 795 ql_dbg(ql_dbg_async, vha, 0x500f,
1da177e4
LT		 796 "Configuration change detected: value=%x.\n", mb[1]);
797
e315cd28
AC		 798 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
799 atomic_set(&vha->loop_state, LOOP_DOWN);
800 if (!atomic_read(&vha->loop_down_timer))
801 atomic_set(&vha->loop_down_timer,
1da177e4 802 LOOP_DOWN_TIME);
e315cd28 803 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4
LT		 804 }
805
e315cd28
AC		 806 if (vha->vp_idx) {
807 atomic_set(&vha->vp_state, VP_FAILED);
808 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
2c3dfe3f
SJ		 809 }
810
e315cd28
AC		 811 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
812 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4
LT		 813 break;
814
815 case MBA_PORT_UPDATE: /* Port database update */
55903b9d
SV		 816 /*
817 * Handle only global and vn-port update events
818 *
819 * Relevant inputs:
820 * mb[1] = N_Port handle of changed port
821 * OR 0xffff for global event
822 * mb[2] = New login state
823 * 7 = Port logged out
824 * mb[3] = LSB is vp_idx, 0xff = all vps
825 *
826 * Skip processing if:
827 * Event is global, vp_idx is NOT all vps,
828 * vp_idx does not match
829 * Event is not global, vp_idx does not match
830 */
12cec63e
AV		 831 if (IS_QLA2XXX_MIDTYPE(ha) &&
832 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
833 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
834 break;
73208dfd 835
9764ff88
AV		 836 /* Global event -- port logout or port unavailable. */
837 if (mb[1] == 0xffff && mb[2] == 0x7) {
7c3df132
SK		 838 ql_dbg(ql_dbg_async, vha, 0x5010,
839 "Port unavailable %04x %04x %04x.\n",
840 mb[1], mb[2], mb[3]);
daae62a3
CD		 841 ql_log(ql_log_warn, vha, 0x505e,
842 "Link is offline.\n");
9764ff88
AV		 843
844 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
845 atomic_set(&vha->loop_state, LOOP_DOWN);
846 atomic_set(&vha->loop_down_timer,
847 LOOP_DOWN_TIME);
848 vha->device_flags |= DFLG_NO_CABLE;
849 qla2x00_mark_all_devices_lost(vha, 1);
850 }
851
852 if (vha->vp_idx) {
853 atomic_set(&vha->vp_state, VP_FAILED);
854 fc_vport_set_state(vha->fc_vport,
855 FC_VPORT_FAILED);
faadc5e7 856 qla2x00_mark_all_devices_lost(vha, 1);
9764ff88
AV		 857 }
858
859 vha->flags.management_server_logged_in = 0;
860 ha->link_data_rate = PORT_SPEED_UNKNOWN;
861 break;
862 }
863
1da177e4 864 /*
cc3ef7bc 865 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1da177e4
LT		 866 * event etc. earlier indicating loop is down) then process
867 * it. Otherwise ignore it and Wait for RSCN to come in.
868 */
e315cd28 869 atomic_set(&vha->loop_down_timer, 0);
79cc785f 870 if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) {
7c3df132
SK		 871 ql_dbg(ql_dbg_async, vha, 0x5011,
872 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
873 mb[1], mb[2], mb[3]);
2d70c103
NB		 874
875 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 876 break;
877 }
878
7c3df132
SK		 879 ql_dbg(ql_dbg_async, vha, 0x5012,
880 "Port database changed %04x %04x %04x.\n",
881 mb[1], mb[2], mb[3]);
daae62a3
CD		 882 ql_log(ql_log_warn, vha, 0x505f,
883 "Link is operational (%s Gbps).\n",
d0297c9a 884 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
1da177e4
LT		 885
886 /*
887 * Mark all devices as missing so we will login again.
888 */
e315cd28 889 atomic_set(&vha->loop_state, LOOP_UP);
1da177e4 890
e315cd28 891 qla2x00_mark_all_devices_lost(vha, 1);
1da177e4 892
2d70c103
NB		 893 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
894 set_bit(SCR_PENDING, &vha->dpc_flags);
895
e315cd28
AC		 896 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
897 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2d70c103
NB		 898
899 qlt_async_event(mb[0], vha, mb);
1da177e4
LT		 900 break;
901
902 case MBA_RSCN_UPDATE: /* State Change Registration */
3c397400 903 /* Check if the Vport has issued a SCR */
e315cd28 904 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
3c397400
SJ		 905 break;
906 /* Only handle SCNs for our Vport index. */
0d6e61bc 907 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
3c397400 908 break;
0d6e61bc 909
7c3df132
SK		 910 ql_dbg(ql_dbg_async, vha, 0x5013,
911 "RSCN database changed -- %04x %04x %04x.\n",
912 mb[1], mb[2], mb[3]);
1da177e4 913
59d72d87 914 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
e315cd28
AC		 915 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
916 | vha->d_id.b.al_pa;
1da177e4 917 if (rscn_entry == host_pid) {
7c3df132
SK		 918 ql_dbg(ql_dbg_async, vha, 0x5014,
919 "Ignoring RSCN update to local host "
920 "port ID (%06x).\n", host_pid);
1da177e4
LT		 921 break;
922 }
923
59d72d87
RA		 924 /* Ignore reserved bits from RSCN-payload. */
925 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1da177e4 926
bb4cf5b7
CD		 927 /* Skip RSCNs for virtual ports on the same physical port */
928 if (qla2x00_is_a_vp_did(vha, rscn_entry))
929 break;
930
e315cd28
AC		 931 atomic_set(&vha->loop_down_timer, 0);
932 vha->flags.management_server_logged_in = 0;
1da177e4 933
e315cd28
AC		 934 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
935 set_bit(RSCN_UPDATE, &vha->dpc_flags);
936 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1da177e4
LT		 937 break;
938
939 /* case MBA_RIO_RESPONSE: */
940 case MBA_ZIO_RESPONSE:
7c3df132
SK		 941 ql_dbg(ql_dbg_async, vha, 0x5015,
942 "[R|Z]IO update completion.\n");
1da177e4 943
e428924c 944 if (IS_FWI2_CAPABLE(ha))
2afa19a9 945 qla24xx_process_response_queue(vha, rsp);
4fdfefe5 946 else
73208dfd 947 qla2x00_process_response_queue(rsp);
1da177e4 948 break;
9a853f71
AV		 949
950 case MBA_DISCARD_RND_FRAME:
7c3df132
SK		 951 ql_dbg(ql_dbg_async, vha, 0x5016,
952 "Discard RND Frame -- %04x %04x %04x.\n",
953 mb[1], mb[2], mb[3]);
9a853f71 954 break;
45ebeb56
AV		 955
956 case MBA_TRACE_NOTIFICATION:
7c3df132
SK		 957 ql_dbg(ql_dbg_async, vha, 0x5017,
958 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
45ebeb56 959 break;
4d4df193
HK		 960
961 case MBA_ISP84XX_ALERT:
7c3df132
SK		 962 ql_dbg(ql_dbg_async, vha, 0x5018,
963 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
964 mb[1], mb[2], mb[3]);
4d4df193
HK		 965
966 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
967 switch (mb[1]) {
968 case A84_PANIC_RECOVERY:
7c3df132
SK		 969 ql_log(ql_log_info, vha, 0x5019,
970 "Alert 84XX: panic recovery %04x %04x.\n",
971 mb[2], mb[3]);
4d4df193
HK		 972 break;
973 case A84_OP_LOGIN_COMPLETE:
974 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 975 ql_log(ql_log_info, vha, 0x501a,
976 "Alert 84XX: firmware version %x.\n",
977 ha->cs84xx->op_fw_version);
4d4df193
HK		 978 break;
979 case A84_DIAG_LOGIN_COMPLETE:
980 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
7c3df132
SK		 981 ql_log(ql_log_info, vha, 0x501b,
982 "Alert 84XX: diagnostic firmware version %x.\n",
983 ha->cs84xx->diag_fw_version);
4d4df193
HK		 984 break;
985 case A84_GOLD_LOGIN_COMPLETE:
986 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
987 ha->cs84xx->fw_update = 1;
7c3df132
SK		 988 ql_log(ql_log_info, vha, 0x501c,
989 "Alert 84XX: gold firmware version %x.\n",
990 ha->cs84xx->gold_fw_version);
4d4df193
HK		 991 break;
992 default:
7c3df132
SK		 993 ql_log(ql_log_warn, vha, 0x501d,
994 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
4d4df193
HK		 995 mb[1], mb[2], mb[3]);
996 }
997 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
998 break;
3a03eb79 999 case MBA_DCBX_START:
7c3df132
SK		 1000 ql_dbg(ql_dbg_async, vha, 0x501e,
1001 "DCBX Started -- %04x %04x %04x.\n",
1002 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1003 break;
1004 case MBA_DCBX_PARAM_UPDATE:
7c3df132
SK		 1005 ql_dbg(ql_dbg_async, vha, 0x501f,
1006 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1007 mb[1], mb[2], mb[3]);
3a03eb79
AV		 1008 break;
1009 case MBA_FCF_CONF_ERR:
7c3df132
SK		 1010 ql_dbg(ql_dbg_async, vha, 0x5020,
1011 "FCF Configuration Error -- %04x %04x %04x.\n",
1012 mb[1], mb[2], mb[3]);
3a03eb79 1013 break;
3a03eb79 1014 case MBA_IDC_NOTIFY:
67b2a31f
CD		 1015 if (IS_QLA8031(vha->hw)) {
1016 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1017 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1018 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1019 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
8fcd6b8b 1020 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
67b2a31f
CD		 1021 /*
1022 * Extend loop down timer since port is active.
1023 */
1024 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1025 atomic_set(&vha->loop_down_timer,
1026 LOOP_DOWN_TIME);
8fcd6b8b
CD		 1027 qla2xxx_wake_dpc(vha);
1028 }
67b2a31f 1029 }
8fcd6b8b 1030 case MBA_IDC_COMPLETE:
f356bef1
CD		 1031 if (ha->notify_lb_portup_comp)
1032 complete(&ha->lb_portup_comp);
1033 /* Fallthru */
3a03eb79 1034 case MBA_IDC_TIME_EXT:
bf5b8ad7 1035 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw))
7d613ac6
SV		 1036 qla81xx_idc_event(vha, mb[0], mb[1]);
1037 break;
1038
1039 case MBA_IDC_AEN:
1040 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1041 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1042 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1043 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1044 qla83xx_handle_8200_aen(vha, mb);
3a03eb79 1045 break;
7d613ac6 1046
6246b8a1
GM		 1047 default:
1048 ql_dbg(ql_dbg_async, vha, 0x5057,
1049 "Unknown AEN:%04x %04x %04x %04x\n",
1050 mb[0], mb[1], mb[2], mb[3]);
1da177e4 1051 }
2c3dfe3f 1052
2d70c103
NB		 1053 qlt_async_event(mb[0], vha, mb);
1054
e315cd28 1055 if (!vha->vp_idx && ha->num_vhosts)
73208dfd 1056 qla2x00_alert_all_vps(rsp, mb);
1da177e4
LT		 1057}
1058
1059/**
1060 * qla2x00_process_completed_request() - Process a Fast Post response.
1061 * @ha: SCSI driver HA context
1062 * @index: SRB index
1063 */
8ae6d9c7 1064void
73208dfd 1065qla2x00_process_completed_request(struct scsi_qla_host *vha,
8ae6d9c7 1066 struct req_que *req, uint32_t index)
1da177e4
LT		 1067{
1068 srb_t *sp;
e315cd28 1069 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1070
1071 /* Validate handle. */
8d93f550 1072 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1073 ql_log(ql_log_warn, vha, 0x3014,
1074 "Invalid SCSI command index (%x).\n", index);
1da177e4 1075
8f7daead
GM		 1076 if (IS_QLA82XX(ha))
1077 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1078 else
1079 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1080 return;
1081 }
1082
e315cd28 1083 sp = req->outstanding_cmds[index];
1da177e4
LT		 1084 if (sp) {
1085 /* Free outstanding command slot. */
e315cd28 1086 req->outstanding_cmds[index] = NULL;
1da177e4 1087
1da177e4 1088 /* Save ISP completion status */
9ba56b95 1089 sp->done(ha, sp, DID_OK << 16);
1da177e4 1090 } else {
7c3df132 1091 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1da177e4 1092
8f7daead
GM		 1093 if (IS_QLA82XX(ha))
1094 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1095 else
1096 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 1097 }
1098}
1099
8ae6d9c7 1100srb_t *
ac280b67
AV		 1101qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1102 struct req_que *req, void *iocb)
1103{
1104 struct qla_hw_data *ha = vha->hw;
1105 sts_entry_t *pkt = iocb;
1106 srb_t *sp = NULL;
1107 uint16_t index;
1108
1109 index = LSW(pkt->handle);
8d93f550 1110 if (index >= req->num_outstanding_cmds) {
7c3df132
SK		 1111 ql_log(ql_log_warn, vha, 0x5031,
1112 "Invalid command index (%x).\n", index);
8f7daead
GM		 1113 if (IS_QLA82XX(ha))
1114 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1115 else
1116 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ac280b67
AV		 1117 goto done;
1118 }
1119 sp = req->outstanding_cmds[index];
1120 if (!sp) {
7c3df132
SK		 1121 ql_log(ql_log_warn, vha, 0x5032,
1122 "Invalid completion handle (%x) -- timed-out.\n", index);
ac280b67
AV		 1123 return sp;
1124 }
1125 if (sp->handle != index) {
7c3df132
SK		 1126 ql_log(ql_log_warn, vha, 0x5033,
1127 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
ac280b67
AV		 1128 return NULL;
1129 }
9a069e19 1130
ac280b67 1131 req->outstanding_cmds[index] = NULL;
9a069e19 1132
ac280b67
AV		 1133done:
1134 return sp;
1135}
1136
1137static void
1138qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1139 struct mbx_entry *mbx)
1140{
1141 const char func[] = "MBX-IOCB";
1142 const char *type;
ac280b67
AV		 1143 fc_port_t *fcport;
1144 srb_t *sp;
4916392b 1145 struct srb_iocb *lio;
99b0bec7 1146 uint16_t *data;
5ff1d584 1147 uint16_t status;
ac280b67
AV		 1148
1149 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1150 if (!sp)
1151 return;
1152
9ba56b95
GM		 1153 lio = &sp->u.iocb_cmd;
1154 type = sp->name;
ac280b67 1155 fcport = sp->fcport;
4916392b 1156 data = lio->u.logio.data;
ac280b67 1157
5ff1d584 1158 data[0] = MBS_COMMAND_ERROR;
4916392b 1159 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1160 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1161 if (mbx->entry_status) {
7c3df132 1162 ql_dbg(ql_dbg_async, vha, 0x5043,
cfb0919c 1163 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
d3fa9e7d 1164 "entry-status=%x status=%x state-flag=%x "
cfb0919c
CD		 1165 "status-flags=%x.\n", type, sp->handle,
1166 fcport->d_id.b.domain, fcport->d_id.b.area,
d3fa9e7d
AV		 1167 fcport->d_id.b.al_pa, mbx->entry_status,
1168 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
7c3df132 1169 le16_to_cpu(mbx->status_flags));
d3fa9e7d 1170
cfb0919c 1171 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
7c3df132 1172 (uint8_t *)mbx, sizeof(*mbx));
ac280b67 1173
99b0bec7 1174 goto logio_done;
ac280b67
AV		 1175 }
1176
5ff1d584 1177 status = le16_to_cpu(mbx->status);
9ba56b95 1178 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
5ff1d584
AV		 1179 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1180 status = 0;
1181 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
7c3df132 1182 ql_dbg(ql_dbg_async, vha, 0x5045,
cfb0919c
CD		 1183 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1184 type, sp->handle, fcport->d_id.b.domain,
1185 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1186 le16_to_cpu(mbx->mb1));
ac280b67
AV		 1187
1188 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1189 if (sp->type == SRB_LOGIN_CMD) {
99b0bec7
AV		 1190 fcport->port_type = FCT_TARGET;
1191 if (le16_to_cpu(mbx->mb1) & BIT_0)
1192 fcport->port_type = FCT_INITIATOR;
6ac52608 1193 else if (le16_to_cpu(mbx->mb1) & BIT_1)
99b0bec7 1194 fcport->flags |= FCF_FCP2_DEVICE;
5ff1d584 1195 }
99b0bec7 1196 goto logio_done;
ac280b67
AV		 1197 }
1198
1199 data[0] = le16_to_cpu(mbx->mb0);
1200 switch (data[0]) {
1201 case MBS_PORT_ID_USED:
1202 data[1] = le16_to_cpu(mbx->mb1);
1203 break;
1204 case MBS_LOOP_ID_USED:
1205 break;
1206 default:
1207 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1208 break;
1209 }
1210
7c3df132 1211 ql_log(ql_log_warn, vha, 0x5046,
cfb0919c
CD		 1212 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1213 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1214 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1215 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
ac280b67 1216 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
7c3df132 1217 le16_to_cpu(mbx->mb7));
ac280b67 1218
99b0bec7 1219logio_done:
9ba56b95 1220 sp->done(vha, sp, 0);
ac280b67
AV		 1221}
1222
9bc4f4fb
HZ		 1223static void
1224qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1225 sts_entry_t *pkt, int iocb_type)
1226{
1227 const char func[] = "CT_IOCB";
1228 const char *type;
9bc4f4fb 1229 srb_t *sp;
9bc4f4fb
HZ		 1230 struct fc_bsg_job *bsg_job;
1231 uint16_t comp_status;
9ba56b95 1232 int res;
9bc4f4fb
HZ		 1233
1234 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1235 if (!sp)
1236 return;
1237
9ba56b95 1238 bsg_job = sp->u.bsg_job;
9bc4f4fb 1239
9ba56b95 1240 type = "ct pass-through";
9bc4f4fb
HZ		 1241
1242 comp_status = le16_to_cpu(pkt->comp_status);
1243
1244 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1245 * fc payload to the caller
1246 */
1247 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1248 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1249
1250 if (comp_status != CS_COMPLETE) {
1251 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1252 res = DID_OK << 16;
9bc4f4fb
HZ		 1253 bsg_job->reply->reply_payload_rcv_len =
1254 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1255
7c3df132
SK		 1256 ql_log(ql_log_warn, vha, 0x5048,
1257 "CT pass-through-%s error "
9bc4f4fb 1258 "comp_status-status=0x%x total_byte = 0x%x.\n",
7c3df132
SK		 1259 type, comp_status,
1260 bsg_job->reply->reply_payload_rcv_len);
9bc4f4fb 1261 } else {
7c3df132
SK		 1262 ql_log(ql_log_warn, vha, 0x5049,
1263 "CT pass-through-%s error "
1264 "comp_status-status=0x%x.\n", type, comp_status);
9ba56b95 1265 res = DID_ERROR << 16;
9bc4f4fb
HZ		 1266 bsg_job->reply->reply_payload_rcv_len = 0;
1267 }
cfb0919c 1268 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
7c3df132 1269 (uint8_t *)pkt, sizeof(*pkt));
9bc4f4fb 1270 } else {
9ba56b95 1271 res = DID_OK << 16;
9bc4f4fb
HZ		 1272 bsg_job->reply->reply_payload_rcv_len =
1273 bsg_job->reply_payload.payload_len;
1274 bsg_job->reply_len = 0;
1275 }
1276
9ba56b95 1277 sp->done(vha, sp, res);
9bc4f4fb
HZ		 1278}
1279
9a069e19
GM		 1280static void
1281qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1282 struct sts_entry_24xx *pkt, int iocb_type)
1283{
1284 const char func[] = "ELS_CT_IOCB";
1285 const char *type;
9a069e19 1286 srb_t *sp;
9a069e19
GM		 1287 struct fc_bsg_job *bsg_job;
1288 uint16_t comp_status;
1289 uint32_t fw_status[3];
1290 uint8_t* fw_sts_ptr;
9ba56b95 1291 int res;
9a069e19
GM		 1292
1293 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1294 if (!sp)
1295 return;
9ba56b95 1296 bsg_job = sp->u.bsg_job;
9a069e19
GM		 1297
1298 type = NULL;
9ba56b95 1299 switch (sp->type) {
9a069e19
GM		 1300 case SRB_ELS_CMD_RPT:
1301 case SRB_ELS_CMD_HST:
1302 type = "els";
1303 break;
1304 case SRB_CT_CMD:
1305 type = "ct pass-through";
1306 break;
1307 default:
37fed3ee 1308 ql_dbg(ql_dbg_user, vha, 0x503e,
9ba56b95 1309 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
9a069e19
GM		 1310 return;
1311 }
1312
1313 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1314 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1315 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1316
1317 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1318 * fc payload to the caller
1319 */
1320 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1321 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1322
1323 if (comp_status != CS_COMPLETE) {
1324 if (comp_status == CS_DATA_UNDERRUN) {
9ba56b95 1325 res = DID_OK << 16;
9a069e19 1326 bsg_job->reply->reply_payload_rcv_len =
9ba56b95 1327 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
9a069e19 1328
37fed3ee 1329 ql_dbg(ql_dbg_user, vha, 0x503f,
cfb0919c 1330 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1331 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
cfb0919c 1332 type, sp->handle, comp_status, fw_status[1], fw_status[2],
7c3df132
SK		 1333 le16_to_cpu(((struct els_sts_entry_24xx *)
1334 pkt)->total_byte_count));
9a069e19
GM		 1335 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1336 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1337 }
1338 else {
37fed3ee 1339 ql_dbg(ql_dbg_user, vha, 0x5040,
cfb0919c 1340 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
9a069e19 1341 "error subcode 1=0x%x error subcode 2=0x%x.\n",
cfb0919c 1342 type, sp->handle, comp_status,
7c3df132
SK		 1343 le16_to_cpu(((struct els_sts_entry_24xx *)
1344 pkt)->error_subcode_1),
1345 le16_to_cpu(((struct els_sts_entry_24xx *)
1346 pkt)->error_subcode_2));
9ba56b95 1347 res = DID_ERROR << 16;
9a069e19
GM		 1348 bsg_job->reply->reply_payload_rcv_len = 0;
1349 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
1350 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1351 }
37fed3ee 1352 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
7c3df132 1353 (uint8_t *)pkt, sizeof(*pkt));
9a069e19
GM		 1354 }
1355 else {
9ba56b95 1356 res = DID_OK << 16;
9a069e19
GM		 1357 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1358 bsg_job->reply_len = 0;
1359 }
1360
9ba56b95 1361 sp->done(vha, sp, res);
9a069e19
GM		 1362}
1363
ac280b67
AV		 1364static void
1365qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1366 struct logio_entry_24xx *logio)
1367{
1368 const char func[] = "LOGIO-IOCB";
1369 const char *type;
ac280b67
AV		 1370 fc_port_t *fcport;
1371 srb_t *sp;
4916392b 1372 struct srb_iocb *lio;
99b0bec7 1373 uint16_t *data;
ac280b67
AV		 1374 uint32_t iop[2];
1375
1376 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1377 if (!sp)
1378 return;
1379
9ba56b95
GM		 1380 lio = &sp->u.iocb_cmd;
1381 type = sp->name;
ac280b67 1382 fcport = sp->fcport;
4916392b 1383 data = lio->u.logio.data;
ac280b67 1384
5ff1d584 1385 data[0] = MBS_COMMAND_ERROR;
4916392b 1386 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
5ff1d584 1387 QLA_LOGIO_LOGIN_RETRIED : 0;
ac280b67 1388 if (logio->entry_status) {
5e19ed90 1389 ql_log(ql_log_warn, fcport->vha, 0x5034,
cfb0919c 1390 "Async-%s error entry - hdl=%x"
d3fa9e7d 1391 "portid=%02x%02x%02x entry-status=%x.\n",
cfb0919c
CD		 1392 type, sp->handle, fcport->d_id.b.domain,
1393 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1394 logio->entry_status);
1395 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
7c3df132 1396 (uint8_t *)logio, sizeof(*logio));
ac280b67 1397
99b0bec7 1398 goto logio_done;
ac280b67
AV		 1399 }
1400
1401 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
5e19ed90 1402 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
cfb0919c
CD		 1403 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1404 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1405 fcport->d_id.b.area, fcport->d_id.b.al_pa,
7c3df132 1406 le32_to_cpu(logio->io_parameter[0]));
ac280b67
AV		 1407
1408 data[0] = MBS_COMMAND_COMPLETE;
9ba56b95 1409 if (sp->type != SRB_LOGIN_CMD)
99b0bec7 1410 goto logio_done;
ac280b67
AV		 1411
1412 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1413 if (iop[0] & BIT_4) {
1414 fcport->port_type = FCT_TARGET;
1415 if (iop[0] & BIT_8)
8474f3a0 1416 fcport->flags |= FCF_FCP2_DEVICE;
b0cd579c 1417 } else if (iop[0] & BIT_5)
ac280b67 1418 fcport->port_type = FCT_INITIATOR;
b0cd579c 1419
2d70c103
NB		 1420 if (iop[0] & BIT_7)
1421 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1422
ac280b67
AV		 1423 if (logio->io_parameter[7] || logio->io_parameter[8])
1424 fcport->supported_classes |= FC_COS_CLASS2;
1425 if (logio->io_parameter[9] || logio->io_parameter[10])
1426 fcport->supported_classes |= FC_COS_CLASS3;
1427
99b0bec7 1428 goto logio_done;
ac280b67
AV		 1429 }
1430
1431 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1432 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1433 switch (iop[0]) {
1434 case LSC_SCODE_PORTID_USED:
1435 data[0] = MBS_PORT_ID_USED;
1436 data[1] = LSW(iop[1]);
1437 break;
1438 case LSC_SCODE_NPORT_USED:
1439 data[0] = MBS_LOOP_ID_USED;
1440 break;
ac280b67
AV		 1441 default:
1442 data[0] = MBS_COMMAND_ERROR;
ac280b67
AV		 1443 break;
1444 }
1445
5e19ed90 1446 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
cfb0919c
CD		 1447 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1448 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
d3fa9e7d 1449 fcport->d_id.b.area, fcport->d_id.b.al_pa,
ac280b67
AV		 1450 le16_to_cpu(logio->comp_status),
1451 le32_to_cpu(logio->io_parameter[0]),
7c3df132 1452 le32_to_cpu(logio->io_parameter[1]));
ac280b67 1453
99b0bec7 1454logio_done:
9ba56b95 1455 sp->done(vha, sp, 0);
ac280b67
AV		 1456}
1457
3822263e
MI		 1458static void
1459qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1460 struct tsk_mgmt_entry *tsk)
1461{
1462 const char func[] = "TMF-IOCB";
1463 const char *type;
1464 fc_port_t *fcport;
1465 srb_t *sp;
1466 struct srb_iocb *iocb;
3822263e
MI		 1467 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1468 int error = 1;
1469
1470 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1471 if (!sp)
1472 return;
1473
9ba56b95
GM		 1474 iocb = &sp->u.iocb_cmd;
1475 type = sp->name;
3822263e
MI		 1476 fcport = sp->fcport;
1477
1478 if (sts->entry_status) {
5e19ed90 1479 ql_log(ql_log_warn, fcport->vha, 0x5038,
cfb0919c
CD		 1480 "Async-%s error - hdl=%x entry-status(%x).\n",
1481 type, sp->handle, sts->entry_status);
3822263e 1482 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
5e19ed90 1483 ql_log(ql_log_warn, fcport->vha, 0x5039,
cfb0919c
CD		 1484 "Async-%s error - hdl=%x completion status(%x).\n",
1485 type, sp->handle, sts->comp_status);
3822263e
MI		 1486 } else if (!(le16_to_cpu(sts->scsi_status) &
1487 SS_RESPONSE_INFO_LEN_VALID)) {
5e19ed90 1488 ql_log(ql_log_warn, fcport->vha, 0x503a,
cfb0919c
CD		 1489 "Async-%s error - hdl=%x no response info(%x).\n",
1490 type, sp->handle, sts->scsi_status);
3822263e 1491 } else if (le32_to_cpu(sts->rsp_data_len) < 4) {
5e19ed90 1492 ql_log(ql_log_warn, fcport->vha, 0x503b,
cfb0919c
CD		 1493 "Async-%s error - hdl=%x not enough response(%d).\n",
1494 type, sp->handle, sts->rsp_data_len);
3822263e 1495 } else if (sts->data[3]) {
5e19ed90 1496 ql_log(ql_log_warn, fcport->vha, 0x503c,
cfb0919c
CD		 1497 "Async-%s error - hdl=%x response(%x).\n",
1498 type, sp->handle, sts->data[3]);
3822263e
MI		 1499 } else {
1500 error = 0;
1501 }
1502
1503 if (error) {
1504 iocb->u.tmf.data = error;
7c3df132
SK		 1505 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1506 (uint8_t *)sts, sizeof(*sts));
3822263e
MI		 1507 }
1508
9ba56b95 1509 sp->done(vha, sp, 0);
3822263e
MI		 1510}
1511
1da177e4
LT		 1512/**
1513 * qla2x00_process_response_queue() - Process response queue entries.
1514 * @ha: SCSI driver HA context
1515 */
1516void
73208dfd 1517qla2x00_process_response_queue(struct rsp_que *rsp)
1da177e4 1518{
73208dfd
AC		 1519 struct scsi_qla_host *vha;
1520 struct qla_hw_data *ha = rsp->hw;
3d71644c 1521 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1522 sts_entry_t *pkt;
1523 uint16_t handle_cnt;
1524 uint16_t cnt;
73208dfd 1525
2afa19a9 1526 vha = pci_get_drvdata(ha->pdev);
1da177e4 1527
e315cd28 1528 if (!vha->flags.online)
1da177e4
LT		 1529 return;
1530
e315cd28
AC		 1531 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1532 pkt = (sts_entry_t *)rsp->ring_ptr;
1da177e4 1533
e315cd28
AC		 1534 rsp->ring_index++;
1535 if (rsp->ring_index == rsp->length) {
1536 rsp->ring_index = 0;
1537 rsp->ring_ptr = rsp->ring;
1da177e4 1538 } else {
e315cd28 1539 rsp->ring_ptr++;
1da177e4
LT		 1540 }
1541
1542 if (pkt->entry_status != 0) {
73208dfd 1543 qla2x00_error_entry(vha, rsp, pkt);
1da177e4
LT		 1544 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1545 wmb();
1546 continue;
1547 }
1548
1549 switch (pkt->entry_type) {
1550 case STATUS_TYPE:
73208dfd 1551 qla2x00_status_entry(vha, rsp, pkt);
1da177e4
LT		 1552 break;
1553 case STATUS_TYPE_21:
1554 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1555 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1556 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1557 ((sts21_entry_t *)pkt)->handle[cnt]);
1558 }
1559 break;
1560 case STATUS_TYPE_22:
1561 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1562 for (cnt = 0; cnt < handle_cnt; cnt++) {
73208dfd 1563 qla2x00_process_completed_request(vha, rsp->req,
1da177e4
LT		 1564 ((sts22_entry_t *)pkt)->handle[cnt]);
1565 }
1566 break;
1567 case STATUS_CONT_TYPE:
2afa19a9 1568 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1da177e4 1569 break;
ac280b67
AV		 1570 case MBX_IOCB_TYPE:
1571 qla2x00_mbx_iocb_entry(vha, rsp->req,
1572 (struct mbx_entry *)pkt);
3822263e 1573 break;
9bc4f4fb
HZ		 1574 case CT_IOCB_TYPE:
1575 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1576 break;
1da177e4
LT		 1577 default:
1578 /* Type Not Supported. */
7c3df132
SK		 1579 ql_log(ql_log_warn, vha, 0x504a,
1580 "Received unknown response pkt type %x "
1da177e4 1581 "entry status=%x.\n",
7c3df132 1582 pkt->entry_type, pkt->entry_status);
1da177e4
LT		 1583 break;
1584 }
1585 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1586 wmb();
1587 }
1588
1589 /* Adjust ring index */
e315cd28 1590 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1da177e4
LT		 1591}
1592
4733fcb1 1593static inline void
5544213b 1594qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
9ba56b95 1595 uint32_t sense_len, struct rsp_que *rsp, int res)
4733fcb1 1596{
7c3df132 1597 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95
GM		 1598 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1599 uint32_t track_sense_len;
4733fcb1
AV		 1600
1601 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1602 sense_len = SCSI_SENSE_BUFFERSIZE;
1603
9ba56b95
GM		 1604 SET_CMD_SENSE_LEN(sp, sense_len);
1605 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1606 track_sense_len = sense_len;
1607
1608 if (sense_len > par_sense_len)
5544213b 1609 sense_len = par_sense_len;
4733fcb1
AV		 1610
1611 memcpy(cp->sense_buffer, sense_data, sense_len);
1612
9ba56b95
GM		 1613 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1614 track_sense_len -= sense_len;
1615 SET_CMD_SENSE_LEN(sp, track_sense_len);
1616
1617 if (track_sense_len != 0) {
2afa19a9 1618 rsp->status_srb = sp;
9ba56b95
GM		 1619 cp->result = res;
1620 }
4733fcb1 1621
cfb0919c
CD		 1622 if (sense_len) {
1623 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1624 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
1625 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
1626 cp);
7c3df132
SK		 1627 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1628 cp->sense_buffer, sense_len);
cfb0919c 1629 }
4733fcb1
AV		 1630}
1631
bad75002
AE		 1632struct scsi_dif_tuple {
1633 __be16 guard; /* Checksum */
d6a03581 1634 __be16 app_tag; /* APPL identifier */
bad75002
AE		 1635 __be32 ref_tag; /* Target LBA or indirect LBA */
1636};
1637
1638/*
1639 * Checks the guard or meta-data for the type of error
1640 * detected by the HBA. In case of errors, we set the
1641 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1642 * to indicate to the kernel that the HBA detected error.
1643 */
8cb2049c 1644static inline int
bad75002
AE		 1645qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1646{
7c3df132 1647 struct scsi_qla_host *vha = sp->fcport->vha;
9ba56b95 1648 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
8cb2049c
AE		 1649 uint8_t *ap = &sts24->data[12];
1650 uint8_t *ep = &sts24->data[20];
bad75002
AE		 1651 uint32_t e_ref_tag, a_ref_tag;
1652 uint16_t e_app_tag, a_app_tag;
1653 uint16_t e_guard, a_guard;
1654
8cb2049c
AE		 1655 /*
1656 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1657 * would make guard field appear at offset 2
1658 */
1659 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1660 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1661 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1662 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1663 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1664 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
bad75002 1665
7c3df132
SK		 1666 ql_dbg(ql_dbg_io, vha, 0x3023,
1667 "iocb(s) %p Returned STATUS.\n", sts24);
bad75002 1668
7c3df132
SK		 1669 ql_dbg(ql_dbg_io, vha, 0x3024,
1670 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
bad75002 1671 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
7c3df132 1672 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
bad75002 1673 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
7c3df132 1674 a_app_tag, e_app_tag, a_guard, e_guard);
bad75002 1675
8cb2049c
AE		 1676 /*
1677 * Ignore sector if:
1678 * For type 3: ref & app tag is all 'f's
1679 * For type 0,1,2: app tag is all 'f's
1680 */
1681 if ((a_app_tag == 0xffff) &&
1682 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1683 (a_ref_tag == 0xffffffff))) {
1684 uint32_t blocks_done, resid;
1685 sector_t lba_s = scsi_get_lba(cmd);
1686
1687 /* 2TB boundary case covered automatically with this */
1688 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1689
1690 resid = scsi_bufflen(cmd) - (blocks_done *
1691 cmd->device->sector_size);
1692
1693 scsi_set_resid(cmd, resid);
1694 cmd->result = DID_OK << 16;
1695
1696 /* Update protection tag */
1697 if (scsi_prot_sg_count(cmd)) {
1698 uint32_t i, j = 0, k = 0, num_ent;
1699 struct scatterlist *sg;
1700 struct sd_dif_tuple *spt;
1701
1702 /* Patch the corresponding protection tags */
1703 scsi_for_each_prot_sg(cmd, sg,
1704 scsi_prot_sg_count(cmd), i) {
1705 num_ent = sg_dma_len(sg) / 8;
1706 if (k + num_ent < blocks_done) {
1707 k += num_ent;
1708 continue;
1709 }
1710 j = blocks_done - k - 1;
1711 k = blocks_done;
1712 break;
1713 }
1714
1715 if (k != blocks_done) {
cfb0919c 1716 ql_log(ql_log_warn, vha, 0x302f,
8ec9c7fb
RD		 1717 "unexpected tag values tag:lba=%x:%llx)\n",
1718 e_ref_tag, (unsigned long long)lba_s);
8cb2049c
AE		 1719 return 1;
1720 }
1721
1722 spt = page_address(sg_page(sg)) + sg->offset;
1723 spt += j;
1724
1725 spt->app_tag = 0xffff;
1726 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1727 spt->ref_tag = 0xffffffff;
1728 }
1729
1730 return 0;
1731 }
1732
bad75002
AE		 1733 /* check guard */
1734 if (e_guard != a_guard) {
1735 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1736 0x10, 0x1);
1737 set_driver_byte(cmd, DRIVER_SENSE);
1738 set_host_byte(cmd, DID_ABORT);
1739 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1740 return 1;
bad75002
AE		 1741 }
1742
e02587d7
AE		 1743 /* check ref tag */
1744 if (e_ref_tag != a_ref_tag) {
bad75002 1745 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1746 0x10, 0x3);
bad75002
AE		 1747 set_driver_byte(cmd, DRIVER_SENSE);
1748 set_host_byte(cmd, DID_ABORT);
1749 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1750 return 1;
bad75002
AE		 1751 }
1752
e02587d7
AE		 1753 /* check appl tag */
1754 if (e_app_tag != a_app_tag) {
bad75002 1755 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
e02587d7 1756 0x10, 0x2);
bad75002
AE		 1757 set_driver_byte(cmd, DRIVER_SENSE);
1758 set_host_byte(cmd, DID_ABORT);
1759 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
8cb2049c 1760 return 1;
bad75002 1761 }
e02587d7 1762
8cb2049c 1763 return 1;
bad75002
AE		 1764}
1765
a9b6f722
SK		 1766static void
1767qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
1768 struct req_que *req, uint32_t index)
1769{
1770 struct qla_hw_data *ha = vha->hw;
1771 srb_t *sp;
1772 uint16_t comp_status;
1773 uint16_t scsi_status;
1774 uint16_t thread_id;
1775 uint32_t rval = EXT_STATUS_OK;
1776 struct fc_bsg_job *bsg_job = NULL;
1777 sts_entry_t *sts;
1778 struct sts_entry_24xx *sts24;
1779 sts = (sts_entry_t *) pkt;
1780 sts24 = (struct sts_entry_24xx *) pkt;
1781
1782 /* Validate handle. */
8d93f550 1783 if (index >= req->num_outstanding_cmds) {
a9b6f722
SK		 1784 ql_log(ql_log_warn, vha, 0x70af,
1785 "Invalid SCSI completion handle 0x%x.\n", index);
1786 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1787 return;
1788 }
1789
1790 sp = req->outstanding_cmds[index];
1791 if (sp) {
1792 /* Free outstanding command slot. */
1793 req->outstanding_cmds[index] = NULL;
1794 bsg_job = sp->u.bsg_job;
1795 } else {
1796 ql_log(ql_log_warn, vha, 0x70b0,
1797 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
1798 req->id, index);
1799
1800 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1801 return;
1802 }
1803
1804 if (IS_FWI2_CAPABLE(ha)) {
1805 comp_status = le16_to_cpu(sts24->comp_status);
1806 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
1807 } else {
1808 comp_status = le16_to_cpu(sts->comp_status);
1809 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1810 }
1811
1812 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1813 switch (comp_status) {
1814 case CS_COMPLETE:
1815 if (scsi_status == 0) {
1816 bsg_job->reply->reply_payload_rcv_len =
1817 bsg_job->reply_payload.payload_len;
1818 rval = EXT_STATUS_OK;
1819 }
1820 goto done;
1821
1822 case CS_DATA_OVERRUN:
1823 ql_dbg(ql_dbg_user, vha, 0x70b1,
1824 "Command completed with date overrun thread_id=%d\n",
1825 thread_id);
1826 rval = EXT_STATUS_DATA_OVERRUN;
1827 break;
1828
1829 case CS_DATA_UNDERRUN:
1830 ql_dbg(ql_dbg_user, vha, 0x70b2,
1831 "Command completed with date underrun thread_id=%d\n",
1832 thread_id);
1833 rval = EXT_STATUS_DATA_UNDERRUN;
1834 break;
1835 case CS_BIDIR_RD_OVERRUN:
1836 ql_dbg(ql_dbg_user, vha, 0x70b3,
1837 "Command completed with read data overrun thread_id=%d\n",
1838 thread_id);
1839 rval = EXT_STATUS_DATA_OVERRUN;
1840 break;
1841
1842 case CS_BIDIR_RD_WR_OVERRUN:
1843 ql_dbg(ql_dbg_user, vha, 0x70b4,
1844 "Command completed with read and write data overrun "
1845 "thread_id=%d\n", thread_id);
1846 rval = EXT_STATUS_DATA_OVERRUN;
1847 break;
1848
1849 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
1850 ql_dbg(ql_dbg_user, vha, 0x70b5,
1851 "Command completed with read data over and write data "
1852 "underrun thread_id=%d\n", thread_id);
1853 rval = EXT_STATUS_DATA_OVERRUN;
1854 break;
1855
1856 case CS_BIDIR_RD_UNDERRUN:
1857 ql_dbg(ql_dbg_user, vha, 0x70b6,
1858 "Command completed with read data data underrun "
1859 "thread_id=%d\n", thread_id);
1860 rval = EXT_STATUS_DATA_UNDERRUN;
1861 break;
1862
1863 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
1864 ql_dbg(ql_dbg_user, vha, 0x70b7,
1865 "Command completed with read data under and write data "
1866 "overrun thread_id=%d\n", thread_id);
1867 rval = EXT_STATUS_DATA_UNDERRUN;
1868 break;
1869
1870 case CS_BIDIR_RD_WR_UNDERRUN:
1871 ql_dbg(ql_dbg_user, vha, 0x70b8,
1872 "Command completed with read and write data underrun "
1873 "thread_id=%d\n", thread_id);
1874 rval = EXT_STATUS_DATA_UNDERRUN;
1875 break;
1876
1877 case CS_BIDIR_DMA:
1878 ql_dbg(ql_dbg_user, vha, 0x70b9,
1879 "Command completed with data DMA error thread_id=%d\n",
1880 thread_id);
1881 rval = EXT_STATUS_DMA_ERR;
1882 break;
1883
1884 case CS_TIMEOUT:
1885 ql_dbg(ql_dbg_user, vha, 0x70ba,
1886 "Command completed with timeout thread_id=%d\n",
1887 thread_id);
1888 rval = EXT_STATUS_TIMEOUT;
1889 break;
1890 default:
1891 ql_dbg(ql_dbg_user, vha, 0x70bb,
1892 "Command completed with completion status=0x%x "
1893 "thread_id=%d\n", comp_status, thread_id);
1894 rval = EXT_STATUS_ERR;
1895 break;
1896 }
1897 bsg_job->reply->reply_payload_rcv_len = 0;
1898
1899done:
1900 /* Return the vendor specific reply to API */
1901 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
1902 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1903 /* Always return DID_OK, bsg will send the vendor specific response
1904 * in this case only */
1905 sp->done(vha, sp, (DID_OK << 6));
1906
1907}
1908
1da177e4
LT		 1909/**
1910 * qla2x00_status_entry() - Process a Status IOCB entry.
1911 * @ha: SCSI driver HA context
1912 * @pkt: Entry pointer
1913 */
1914static void
73208dfd 1915qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
1da177e4 1916{
1da177e4 1917 srb_t *sp;
1da177e4
LT		 1918 fc_port_t *fcport;
1919 struct scsi_cmnd *cp;
9a853f71
AV		 1920 sts_entry_t *sts;
1921 struct sts_entry_24xx *sts24;
1da177e4
LT		 1922 uint16_t comp_status;
1923 uint16_t scsi_status;
b7d2280c 1924 uint16_t ox_id;
1da177e4
LT		 1925 uint8_t lscsi_status;
1926 int32_t resid;
5544213b
AV		 1927 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
1928 fw_resid_len;
9a853f71 1929 uint8_t *rsp_info, *sense_data;
e315cd28 1930 struct qla_hw_data *ha = vha->hw;
2afa19a9
AC		 1931 uint32_t handle;
1932 uint16_t que;
1933 struct req_que *req;
b7d2280c 1934 int logit = 1;
9ba56b95 1935 int res = 0;
a9b6f722 1936 uint16_t state_flags = 0;
9a853f71
AV		 1937
1938 sts = (sts_entry_t *) pkt;
1939 sts24 = (struct sts_entry_24xx *) pkt;
e428924c 1940 if (IS_FWI2_CAPABLE(ha)) {
9a853f71
AV		 1941 comp_status = le16_to_cpu(sts24->comp_status);
1942 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
a9b6f722 1943 state_flags = le16_to_cpu(sts24->state_flags);
9a853f71
AV		 1944 } else {
1945 comp_status = le16_to_cpu(sts->comp_status);
1946 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
1947 }
2afa19a9
AC		 1948 handle = (uint32_t) LSW(sts->handle);
1949 que = MSW(sts->handle);
1950 req = ha->req_q_map[que];
a9083016 1951
1da177e4 1952 /* Validate handle. */
8d93f550 1953 if (handle < req->num_outstanding_cmds)
2afa19a9 1954 sp = req->outstanding_cmds[handle];
8d93f550 1955 else
1da177e4
LT		 1956 sp = NULL;
1957
1958 if (sp == NULL) {
cfb0919c 1959 ql_dbg(ql_dbg_io, vha, 0x3017,
7c3df132 1960 "Invalid status handle (0x%x).\n", sts->handle);
1da177e4 1961
8f7daead
GM		 1962 if (IS_QLA82XX(ha))
1963 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1964 else
1965 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e315cd28 1966 qla2xxx_wake_dpc(vha);
1da177e4
LT		 1967 return;
1968 }
a9b6f722
SK		 1969
1970 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
1971 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
1972 return;
1973 }
1974
1975 /* Fast path completion. */
1976 if (comp_status == CS_COMPLETE && scsi_status == 0) {
3c290d0b 1977 qla2x00_do_host_ramp_up(vha);
a9b6f722
SK		 1978 qla2x00_process_completed_request(vha, req, handle);
1979
1980 return;
1981 }
1982
1983 req->outstanding_cmds[handle] = NULL;
9ba56b95 1984 cp = GET_CMD_SP(sp);
1da177e4 1985 if (cp == NULL) {
cfb0919c 1986 ql_dbg(ql_dbg_io, vha, 0x3018,
7c3df132
SK		 1987 "Command already returned (0x%x/%p).\n",
1988 sts->handle, sp);
1da177e4
LT		 1989
1990 return;
1991 }
1992
8ae6d9c7 1993 lscsi_status = scsi_status & STATUS_MASK;
1da177e4 1994
bdf79621 1995 fcport = sp->fcport;
1da177e4 1996
b7d2280c 1997 ox_id = 0;
5544213b
AV		 1998 sense_len = par_sense_len = rsp_info_len = resid_len =
1999 fw_resid_len = 0;
e428924c 2000 if (IS_FWI2_CAPABLE(ha)) {
0f00a206
LC		 2001 if (scsi_status & SS_SENSE_LEN_VALID)
2002 sense_len = le32_to_cpu(sts24->sense_len);
2003 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2004 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2005 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2006 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2007 if (comp_status == CS_DATA_UNDERRUN)
2008 fw_resid_len = le32_to_cpu(sts24->residual_len);
9a853f71
AV		 2009 rsp_info = sts24->data;
2010 sense_data = sts24->data;
2011 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
b7d2280c 2012 ox_id = le16_to_cpu(sts24->ox_id);
5544213b 2013 par_sense_len = sizeof(sts24->data);
9a853f71 2014 } else {
0f00a206
LC		 2015 if (scsi_status & SS_SENSE_LEN_VALID)
2016 sense_len = le16_to_cpu(sts->req_sense_length);
2017 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2018 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
9a853f71
AV		 2019 resid_len = le32_to_cpu(sts->residual_length);
2020 rsp_info = sts->rsp_info;
2021 sense_data = sts->req_sense_data;
5544213b 2022 par_sense_len = sizeof(sts->req_sense_data);
9a853f71
AV		 2023 }
2024
1da177e4
LT		 2025 /* Check for any FCP transport errors. */
2026 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
9a853f71 2027 /* Sense data lies beyond any FCP RESPONSE data. */
5544213b 2028 if (IS_FWI2_CAPABLE(ha)) {
9a853f71 2029 sense_data += rsp_info_len;
5544213b
AV		 2030 par_sense_len -= rsp_info_len;
2031 }
9a853f71 2032 if (rsp_info_len > 3 && rsp_info[3]) {
5e19ed90 2033 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
7c3df132
SK		 2034 "FCP I/O protocol failure (0x%x/0x%x).\n",
2035 rsp_info_len, rsp_info[3]);
1da177e4 2036
9ba56b95 2037 res = DID_BUS_BUSY << 16;
b7d2280c 2038 goto out;
1da177e4
LT		 2039 }
2040 }
2041
3e8ce320
AV		 2042 /* Check for overrun. */
2043 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2044 scsi_status & SS_RESIDUAL_OVER)
2045 comp_status = CS_DATA_OVERRUN;
2046
1da177e4
LT		 2047 /*
2048 * Based on Host and scsi status generate status code for Linux
2049 */
2050 switch (comp_status) {
2051 case CS_COMPLETE:
df7baa50 2052 case CS_QUEUE_FULL:
1da177e4 2053 if (scsi_status == 0) {
9ba56b95 2054 res = DID_OK << 16;
1da177e4
LT		 2055 break;
2056 }
2057 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
9a853f71 2058 resid = resid_len;
385d70b4 2059 scsi_set_resid(cp, resid);
0da69df1
AV		 2060
2061 if (!lscsi_status &&
385d70b4 2062 ((unsigned)(scsi_bufflen(cp) - resid) <
0da69df1 2063 cp->underflow)) {
5e19ed90 2064 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
7c3df132 2065 "Mid-layer underflow "
b7d2280c 2066 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2067 resid, scsi_bufflen(cp));
0da69df1 2068
9ba56b95 2069 res = DID_ERROR << 16;
0da69df1
AV		 2070 break;
2071 }
1da177e4 2072 }
9ba56b95 2073 res = DID_OK << 16 | lscsi_status;
1da177e4 2074
df7baa50 2075 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2076 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
7c3df132 2077 "QUEUE FULL detected.\n");
df7baa50
AV		 2078 break;
2079 }
b7d2280c 2080 logit = 0;
1da177e4
LT		 2081 if (lscsi_status != SS_CHECK_CONDITION)
2082 break;
2083
b80ca4f7 2084 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2085 if (!(scsi_status & SS_SENSE_LEN_VALID))
2086 break;
2087
5544213b 2088 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
9ba56b95 2089 rsp, res);
1da177e4
LT		 2090 break;
2091
2092 case CS_DATA_UNDERRUN:
ed17c71b 2093 /* Use F/W calculated residual length. */
0f00a206
LC		 2094 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2095 scsi_set_resid(cp, resid);
2096 if (scsi_status & SS_RESIDUAL_UNDER) {
2097 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
5e19ed90 2098 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
7c3df132
SK		 2099 "Dropped frame(s) detected "
2100 "(0x%x of 0x%x bytes).\n",
2101 resid, scsi_bufflen(cp));
0f00a206 2102
9ba56b95 2103 res = DID_ERROR << 16 | lscsi_status;
4e85e3d9 2104 goto check_scsi_status;
6acf8190 2105 }
ed17c71b 2106
0f00a206
LC		 2107 if (!lscsi_status &&
2108 ((unsigned)(scsi_bufflen(cp) - resid) <
2109 cp->underflow)) {
5e19ed90 2110 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
7c3df132 2111 "Mid-layer underflow "
b7d2280c 2112 "detected (0x%x of 0x%x bytes).\n",
7c3df132 2113 resid, scsi_bufflen(cp));
e038a1be 2114
9ba56b95 2115 res = DID_ERROR << 16;
0f00a206
LC		 2116 break;
2117 }
4aee5766
GM		 2118 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2119 lscsi_status != SAM_STAT_BUSY) {
2120 /*
2121 * scsi status of task set and busy are considered to be
2122 * task not completed.
2123 */
2124
5e19ed90 2125 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
7c3df132 2126 "Dropped frame(s) detected (0x%x "
4aee5766
GM		 2127 "of 0x%x bytes).\n", resid,
2128 scsi_bufflen(cp));
0f00a206 2129
9ba56b95 2130 res = DID_ERROR << 16 | lscsi_status;
0374f55e 2131 goto check_scsi_status;
4aee5766
GM		 2132 } else {
2133 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2134 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2135 scsi_status, lscsi_status);
1da177e4
LT		 2136 }
2137
9ba56b95 2138 res = DID_OK << 16 | lscsi_status;
b7d2280c 2139 logit = 0;
0f00a206 2140
0374f55e 2141check_scsi_status:
1da177e4 2142 /*
fa2a1ce5 2143 * Check to see if SCSI Status is non zero. If so report SCSI
1da177e4
LT		 2144 * Status.
2145 */
2146 if (lscsi_status != 0) {
ffec28a3 2147 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
5e19ed90 2148 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
7c3df132 2149 "QUEUE FULL detected.\n");
b7d2280c 2150 logit = 1;
ffec28a3
AV		 2151 break;
2152 }
1da177e4
LT		 2153 if (lscsi_status != SS_CHECK_CONDITION)
2154 break;
2155
b80ca4f7 2156 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2157 if (!(scsi_status & SS_SENSE_LEN_VALID))
2158 break;
2159
5544213b 2160 qla2x00_handle_sense(sp, sense_data, par_sense_len,
9ba56b95 2161 sense_len, rsp, res);
1da177e4
LT		 2162 }
2163 break;
2164
1da177e4
LT		 2165 case CS_PORT_LOGGED_OUT:
2166 case CS_PORT_CONFIG_CHG:
2167 case CS_PORT_BUSY:
2168 case CS_INCOMPLETE:
2169 case CS_PORT_UNAVAILABLE:
b7d2280c 2170 case CS_TIMEOUT:
ff454b01
CD		 2171 case CS_RESET:
2172
056a4483
MC		 2173 /*
2174 * We are going to have the fc class block the rport
2175 * while we try to recover so instruct the mid layer
2176 * to requeue until the class decides how to handle this.
2177 */
9ba56b95 2178 res = DID_TRANSPORT_DISRUPTED << 16;
b7d2280c
AV		 2179
2180 if (comp_status == CS_TIMEOUT) {
2181 if (IS_FWI2_CAPABLE(ha))
2182 break;
2183 else if ((le16_to_cpu(sts->status_flags) &
2184 SF_LOGOUT_SENT) == 0)
2185 break;
2186 }
2187
5e19ed90 2188 ql_dbg(ql_dbg_io, fcport->vha, 0x3021,
7c3df132
SK		 2189 "Port down status: port-state=0x%x.\n",
2190 atomic_read(&fcport->state));
b7d2280c 2191
a7a28504 2192 if (atomic_read(&fcport->state) == FCS_ONLINE)
e315cd28 2193 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1da177e4
LT		 2194 break;
2195
1da177e4 2196 case CS_ABORTED:
9ba56b95 2197 res = DID_RESET << 16;
1da177e4 2198 break;
bad75002
AE		 2199
2200 case CS_DIF_ERROR:
8cb2049c 2201 logit = qla2x00_handle_dif_error(sp, sts24);
fb6e4668 2202 res = cp->result;
bad75002 2203 break;
9e522cd8
AE		 2204
2205 case CS_TRANSPORT:
2206 res = DID_ERROR << 16;
2207
2208 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2209 break;
2210
2211 if (state_flags & BIT_4)
2212 scmd_printk(KERN_WARNING, cp,
2213 "Unsupported device '%s' found.\n",
2214 cp->device->vendor);
2215 break;
2216
1da177e4 2217 default:
9ba56b95 2218 res = DID_ERROR << 16;
1da177e4
LT		 2219 break;
2220 }
2221
b7d2280c
AV		 2222out:
2223 if (logit)
5e19ed90 2224 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
7c3df132 2225 "FCP command status: 0x%x-0x%x (0x%x) "
cfb0919c
CD		 2226 "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x "
2227 "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x "
7c3df132 2228 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n",
9ba56b95 2229 comp_status, scsi_status, res, vha->host_no,
cfb0919c
CD		 2230 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2231 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2232 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
2233 cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7],
2234 cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len,
7c3df132 2235 resid_len, fw_resid_len);
b7d2280c 2236
3c290d0b
CD		 2237 if (!res)
2238 qla2x00_do_host_ramp_up(vha);
2239
2afa19a9 2240 if (rsp->status_srb == NULL)
9ba56b95 2241 sp->done(ha, sp, res);
1da177e4
LT		 2242}
2243
2244/**
2245 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2246 * @ha: SCSI driver HA context
2247 * @pkt: Entry pointer
2248 *
2249 * Extended sense data.
2250 */
2251static void
2afa19a9 2252qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
1da177e4 2253{
9ba56b95 2254 uint8_t sense_sz = 0;
2afa19a9 2255 struct qla_hw_data *ha = rsp->hw;
7c3df132 2256 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
9ba56b95 2257 srb_t *sp = rsp->status_srb;
1da177e4 2258 struct scsi_cmnd *cp;
9ba56b95
GM		 2259 uint32_t sense_len;
2260 uint8_t *sense_ptr;
1da177e4 2261
9ba56b95
GM		 2262 if (!sp || !GET_CMD_SENSE_LEN(sp))
2263 return;
1da177e4 2264
9ba56b95
GM		 2265 sense_len = GET_CMD_SENSE_LEN(sp);
2266 sense_ptr = GET_CMD_SENSE_PTR(sp);
1da177e4 2267
9ba56b95
GM		 2268 cp = GET_CMD_SP(sp);
2269 if (cp == NULL) {
2270 ql_log(ql_log_warn, vha, 0x3025,
2271 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
1da177e4 2272
9ba56b95
GM		 2273 rsp->status_srb = NULL;
2274 return;
1da177e4 2275 }
1da177e4 2276
9ba56b95
GM		 2277 if (sense_len > sizeof(pkt->data))
2278 sense_sz = sizeof(pkt->data);
2279 else
2280 sense_sz = sense_len;
c4631191 2281
9ba56b95
GM		 2282 /* Move sense data. */
2283 if (IS_FWI2_CAPABLE(ha))
2284 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2285 memcpy(sense_ptr, pkt->data, sense_sz);
2286 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2287 sense_ptr, sense_sz);
c4631191 2288
9ba56b95
GM		 2289 sense_len -= sense_sz;
2290 sense_ptr += sense_sz;
c4631191 2291
9ba56b95
GM		 2292 SET_CMD_SENSE_PTR(sp, sense_ptr);
2293 SET_CMD_SENSE_LEN(sp, sense_len);
2294
2295 /* Place command on done queue. */
2296 if (sense_len == 0) {
2297 rsp->status_srb = NULL;
2298 sp->done(ha, sp, cp->result);
c4631191 2299 }
c4631191
GM		 2300}
2301
1da177e4
LT		 2302/**
2303 * qla2x00_error_entry() - Process an error entry.
2304 * @ha: SCSI driver HA context
2305 * @pkt: Entry pointer
2306 */
2307static void
73208dfd 2308qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
1da177e4
LT		 2309{
2310 srb_t *sp;
e315cd28 2311 struct qla_hw_data *ha = vha->hw;
c4631191 2312 const char func[] = "ERROR-IOCB";
2afa19a9 2313 uint16_t que = MSW(pkt->handle);
a6fe35c0 2314 struct req_que *req = NULL;
9ba56b95 2315 int res = DID_ERROR << 16;
7c3df132 2316
9ba56b95
GM		 2317 ql_dbg(ql_dbg_async, vha, 0x502a,
2318 "type of error status in response: 0x%x\n", pkt->entry_status);
2319
a6fe35c0
AE		 2320 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2321 goto fatal;
2322
2323 req = ha->req_q_map[que];
2324
9ba56b95
GM		 2325 if (pkt->entry_status & RF_BUSY)
2326 res = DID_BUS_BUSY << 16;
1da177e4 2327
c4631191 2328 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
a6fe35c0 2329 if (sp) {
9ba56b95 2330 sp->done(ha, sp, res);
a6fe35c0 2331 return;
1da177e4 2332 }
a6fe35c0
AE		 2333fatal:
2334 ql_log(ql_log_warn, vha, 0x5030,
2335 "Error entry - invalid handle/queue.\n");
2336
2337 if (IS_QLA82XX(ha))
2338 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2339 else
2340 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2341 qla2xxx_wake_dpc(vha);
1da177e4
LT		 2342}
2343
9a853f71
AV		 2344/**
2345 * qla24xx_mbx_completion() - Process mailbox command completions.
2346 * @ha: SCSI driver HA context
2347 * @mb0: Mailbox0 register
2348 */
2349static void
e315cd28 2350qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
9a853f71
AV		 2351{
2352 uint16_t cnt;
4fa94f83 2353 uint32_t mboxes;
9a853f71 2354 uint16_t __iomem *wptr;
e315cd28 2355 struct qla_hw_data *ha = vha->hw;
9a853f71
AV		 2356 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2357
4fa94f83
AV		 2358 /* Read all mbox registers? */
2359 mboxes = (1 << ha->mbx_count) - 1;
2360 if (!ha->mcp)
a720101d 2361 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
4fa94f83
AV		 2362 else
2363 mboxes = ha->mcp->in_mb;
2364
9a853f71
AV		 2365 /* Load return mailbox registers. */
2366 ha->flags.mbox_int = 1;
2367 ha->mailbox_out[0] = mb0;
4fa94f83 2368 mboxes >>= 1;
9a853f71
AV		 2369 wptr = (uint16_t __iomem *)&reg->mailbox1;
2370
2371 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
4fa94f83
AV		 2372 if (mboxes & BIT_0)
2373 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2374
2375 mboxes >>= 1;
9a853f71
AV		 2376 wptr++;
2377 }
9a853f71
AV		 2378}
2379
2380/**
2381 * qla24xx_process_response_queue() - Process response queue entries.
2382 * @ha: SCSI driver HA context
2383 */
2afa19a9
AC		 2384void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2385 struct rsp_que *rsp)
9a853f71 2386{
9a853f71 2387 struct sts_entry_24xx *pkt;
a9083016 2388 struct qla_hw_data *ha = vha->hw;
9a853f71 2389
e315cd28 2390 if (!vha->flags.online)
9a853f71
AV		 2391 return;
2392
e315cd28
AC		 2393 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2394 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
9a853f71 2395
e315cd28
AC		 2396 rsp->ring_index++;
2397 if (rsp->ring_index == rsp->length) {
2398 rsp->ring_index = 0;
2399 rsp->ring_ptr = rsp->ring;
9a853f71 2400 } else {
e315cd28 2401 rsp->ring_ptr++;
9a853f71
AV		 2402 }
2403
2404 if (pkt->entry_status != 0) {
73208dfd 2405 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2d70c103
NB		 2406
2407 (void)qlt_24xx_process_response_error(vha, pkt);
2408
9a853f71
AV		 2409 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2410 wmb();
2411 continue;
2412 }
2413
2414 switch (pkt->entry_type) {
2415 case STATUS_TYPE:
73208dfd 2416 qla2x00_status_entry(vha, rsp, pkt);
9a853f71
AV		 2417 break;
2418 case STATUS_CONT_TYPE:
2afa19a9 2419 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
9a853f71 2420 break;
2c3dfe3f 2421 case VP_RPT_ID_IOCB_TYPE:
e315cd28 2422 qla24xx_report_id_acquisition(vha,
2c3dfe3f
SJ		 2423 (struct vp_rpt_id_entry_24xx *)pkt);
2424 break;
ac280b67
AV		 2425 case LOGINOUT_PORT_IOCB_TYPE:
2426 qla24xx_logio_entry(vha, rsp->req,
2427 (struct logio_entry_24xx *)pkt);
2428 break;
3822263e
MI		 2429 case TSK_MGMT_IOCB_TYPE:
2430 qla24xx_tm_iocb_entry(vha, rsp->req,
2431 (struct tsk_mgmt_entry *)pkt);
2432 break;
9a069e19
GM		 2433 case CT_IOCB_TYPE:
2434 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
9a069e19
GM		 2435 break;
2436 case ELS_IOCB_TYPE:
2437 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2438 break;
2d70c103
NB		 2439 case ABTS_RECV_24XX:
2440 /* ensure that the ATIO queue is empty */
2441 qlt_24xx_process_atio_queue(vha);
2442 case ABTS_RESP_24XX:
2443 case CTIO_TYPE7:
2444 case NOTIFY_ACK_TYPE:
2445 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2446 break;
54883291
SK		 2447 case MARKER_TYPE:
2448 /* Do nothing in this case, this check is to prevent it
2449 * from falling into default case
2450 */
2451 break;
9a853f71
AV		 2452 default:
2453 /* Type Not Supported. */
7c3df132
SK		 2454 ql_dbg(ql_dbg_async, vha, 0x5042,
2455 "Received unknown response pkt type %x "
9a853f71 2456 "entry status=%x.\n",
7c3df132 2457 pkt->entry_type, pkt->entry_status);
9a853f71
AV		 2458 break;
2459 }
2460 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2461 wmb();
2462 }
2463
2464 /* Adjust ring index */
a9083016
GM		 2465 if (IS_QLA82XX(ha)) {
2466 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2467 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2468 } else
2469 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
9a853f71
AV		 2470}
2471
05236a05 2472static void
e315cd28 2473qla2xxx_check_risc_status(scsi_qla_host_t *vha)
05236a05
AV		 2474{
2475 int rval;
2476 uint32_t cnt;
e315cd28 2477 struct qla_hw_data *ha = vha->hw;
05236a05
AV		 2478 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2479
6246b8a1 2480 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
05236a05
AV		 2481 return;
2482
2483 rval = QLA_SUCCESS;
2484 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2485 RD_REG_DWORD(&reg->iobase_addr);
2486 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2487 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2488 rval == QLA_SUCCESS; cnt--) {
2489 if (cnt) {
2490 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2491 udelay(10);
2492 } else
2493 rval = QLA_FUNCTION_TIMEOUT;
2494 }
2495 if (rval == QLA_SUCCESS)
2496 goto next_test;
2497
2498 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2499 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2500 rval == QLA_SUCCESS; cnt--) {
2501 if (cnt) {
2502 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2503 udelay(10);
2504 } else
2505 rval = QLA_FUNCTION_TIMEOUT;
2506 }
2507 if (rval != QLA_SUCCESS)
2508 goto done;
2509
2510next_test:
2511 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
7c3df132
SK		 2512 ql_log(ql_log_info, vha, 0x504c,
2513 "Additional code -- 0x55AA.\n");
05236a05
AV		 2514
2515done:
2516 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2517 RD_REG_DWORD(&reg->iobase_window);
2518}
2519
9a853f71 2520/**
6246b8a1 2521 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
9a853f71
AV		 2522 * @irq:
2523 * @dev_id: SCSI driver HA context
9a853f71
AV		 2524 *
2525 * Called by system whenever the host adapter generates an interrupt.
2526 *
2527 * Returns handled flag.
2528 */
2529irqreturn_t
7d12e780 2530qla24xx_intr_handler(int irq, void *dev_id)
9a853f71 2531{
e315cd28
AC		 2532 scsi_qla_host_t *vha;
2533 struct qla_hw_data *ha;
9a853f71
AV		 2534 struct device_reg_24xx __iomem *reg;
2535 int status;
9a853f71
AV		 2536 unsigned long iter;
2537 uint32_t stat;
2538 uint32_t hccr;
7d613ac6 2539 uint16_t mb[8];
e315cd28 2540 struct rsp_que *rsp;
43fac4d9 2541 unsigned long flags;
9a853f71 2542
e315cd28
AC		 2543 rsp = (struct rsp_que *) dev_id;
2544 if (!rsp) {
3256b435
CD		 2545 ql_log(ql_log_info, NULL, 0x5059,
2546 "%s: NULL response queue pointer.\n", __func__);
9a853f71
AV		 2547 return IRQ_NONE;
2548 }
2549
e315cd28 2550 ha = rsp->hw;
9a853f71
AV		 2551 reg = &ha->iobase->isp24;
2552 status = 0;
2553
85880801
AV		 2554 if (unlikely(pci_channel_offline(ha->pdev)))
2555 return IRQ_HANDLED;
2556
43fac4d9 2557 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2558 vha = pci_get_drvdata(ha->pdev);
9a853f71
AV		 2559 for (iter = 50; iter--; ) {
2560 stat = RD_REG_DWORD(&reg->host_status);
2561 if (stat & HSRX_RISC_PAUSED) {
85880801 2562 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2563 break;
2564
9a853f71
AV		 2565 hccr = RD_REG_DWORD(&reg->hccr);
2566
7c3df132
SK		 2567 ql_log(ql_log_warn, vha, 0x504b,
2568 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2569 hccr);
05236a05 2570
e315cd28 2571 qla2xxx_check_risc_status(vha);
05236a05 2572
e315cd28
AC		 2573 ha->isp_ops->fw_dump(vha, 1);
2574 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9a853f71
AV		 2575 break;
2576 } else if ((stat & HSRX_RISC_INT) == 0)
2577 break;
2578
2579 switch (stat & 0xff) {
fafbda9f
AE		 2580 case INTR_ROM_MB_SUCCESS:
2581 case INTR_ROM_MB_FAILED:
2582 case INTR_MB_SUCCESS:
2583 case INTR_MB_FAILED:
e315cd28 2584 qla24xx_mbx_completion(vha, MSW(stat));
9a853f71
AV		 2585 status |= MBX_INTERRUPT;
2586
2587 break;
fafbda9f 2588 case INTR_ASYNC_EVENT:
9a853f71
AV		 2589 mb[0] = MSW(stat);
2590 mb[1] = RD_REG_WORD(&reg->mailbox1);
2591 mb[2] = RD_REG_WORD(&reg->mailbox2);
2592 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2593 qla2x00_async_event(vha, rsp, mb);
9a853f71 2594 break;
fafbda9f
AE		 2595 case INTR_RSP_QUE_UPDATE:
2596 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2597 qla24xx_process_response_queue(vha, rsp);
9a853f71 2598 break;
fafbda9f 2599 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2600 qlt_24xx_process_atio_queue(vha);
2601 break;
fafbda9f 2602 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2603 qlt_24xx_process_atio_queue(vha);
2604 qla24xx_process_response_queue(vha, rsp);
2605 break;
9a853f71 2606 default:
7c3df132
SK		 2607 ql_dbg(ql_dbg_async, vha, 0x504f,
2608 "Unrecognized interrupt type (%d).\n", stat * 0xff);
9a853f71
AV		 2609 break;
2610 }
2611 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2612 RD_REG_DWORD_RELAXED(&reg->hccr);
cb860bbd
GM		 2613 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2614 ndelay(3500);
9a853f71 2615 }
43fac4d9 2616 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9a853f71
AV		 2617
2618 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2619 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
9a853f71 2620 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 2621 complete(&ha->mbx_intr_comp);
9a853f71
AV		 2622 }
2623
2624 return IRQ_HANDLED;
2625}
2626
a8488abe
AV		 2627static irqreturn_t
2628qla24xx_msix_rsp_q(int irq, void *dev_id)
2629{
e315cd28
AC		 2630 struct qla_hw_data *ha;
2631 struct rsp_que *rsp;
a8488abe 2632 struct device_reg_24xx __iomem *reg;
2afa19a9 2633 struct scsi_qla_host *vha;
0f19bc68 2634 unsigned long flags;
a8488abe 2635
e315cd28
AC		 2636 rsp = (struct rsp_que *) dev_id;
2637 if (!rsp) {
3256b435
CD		 2638 ql_log(ql_log_info, NULL, 0x505a,
2639 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2640 return IRQ_NONE;
2641 }
2642 ha = rsp->hw;
a8488abe
AV		 2643 reg = &ha->iobase->isp24;
2644
0f19bc68 2645 spin_lock_irqsave(&ha->hardware_lock, flags);
a8488abe 2646
a67093d4 2647 vha = pci_get_drvdata(ha->pdev);
2afa19a9 2648 qla24xx_process_response_queue(vha, rsp);
3155754a 2649 if (!ha->flags.disable_msix_handshake) {
eb94114b
AC		 2650 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2651 RD_REG_DWORD_RELAXED(&reg->hccr);
2652 }
0f19bc68 2653 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2654
2655 return IRQ_HANDLED;
2656}
2657
68ca949c
AC		 2658static irqreturn_t
2659qla25xx_msix_rsp_q(int irq, void *dev_id)
2660{
2661 struct qla_hw_data *ha;
2662 struct rsp_que *rsp;
3155754a 2663 struct device_reg_24xx __iomem *reg;
0f19bc68 2664 unsigned long flags;
68ca949c
AC		 2665
2666 rsp = (struct rsp_que *) dev_id;
2667 if (!rsp) {
3256b435
CD		 2668 ql_log(ql_log_info, NULL, 0x505b,
2669 "%s: NULL response queue pointer.\n", __func__);
68ca949c
AC		 2670 return IRQ_NONE;
2671 }
2672 ha = rsp->hw;
2673
3155754a 2674 /* Clear the interrupt, if enabled, for this response queue */
d424754c 2675 if (!ha->flags.disable_msix_handshake) {
3155754a 2676 reg = &ha->iobase->isp24;
0f19bc68 2677 spin_lock_irqsave(&ha->hardware_lock, flags);
3155754a
AC		 2678 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2679 RD_REG_DWORD_RELAXED(&reg->hccr);
0f19bc68 2680 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155754a 2681 }
68ca949c
AC		 2682 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
2683
2684 return IRQ_HANDLED;
2685}
2686
a8488abe
AV		 2687static irqreturn_t
2688qla24xx_msix_default(int irq, void *dev_id)
2689{
e315cd28
AC		 2690 scsi_qla_host_t *vha;
2691 struct qla_hw_data *ha;
2692 struct rsp_que *rsp;
a8488abe
AV		 2693 struct device_reg_24xx __iomem *reg;
2694 int status;
a8488abe
AV		 2695 uint32_t stat;
2696 uint32_t hccr;
7d613ac6 2697 uint16_t mb[8];
0f19bc68 2698 unsigned long flags;
a8488abe 2699
e315cd28
AC		 2700 rsp = (struct rsp_que *) dev_id;
2701 if (!rsp) {
3256b435
CD		 2702 ql_log(ql_log_info, NULL, 0x505c,
2703 "%s: NULL response queue pointer.\n", __func__);
e315cd28
AC		 2704 return IRQ_NONE;
2705 }
2706 ha = rsp->hw;
a8488abe
AV		 2707 reg = &ha->iobase->isp24;
2708 status = 0;
2709
0f19bc68 2710 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 2711 vha = pci_get_drvdata(ha->pdev);
87f27015 2712 do {
a8488abe
AV		 2713 stat = RD_REG_DWORD(&reg->host_status);
2714 if (stat & HSRX_RISC_PAUSED) {
85880801 2715 if (unlikely(pci_channel_offline(ha->pdev)))
14e660e6
SJ		 2716 break;
2717
a8488abe
AV		 2718 hccr = RD_REG_DWORD(&reg->hccr);
2719
7c3df132
SK		 2720 ql_log(ql_log_info, vha, 0x5050,
2721 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2722 hccr);
05236a05 2723
e315cd28 2724 qla2xxx_check_risc_status(vha);
05236a05 2725
e315cd28
AC		 2726 ha->isp_ops->fw_dump(vha, 1);
2727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
a8488abe
AV		 2728 break;
2729 } else if ((stat & HSRX_RISC_INT) == 0)
2730 break;
2731
2732 switch (stat & 0xff) {
fafbda9f
AE		 2733 case INTR_ROM_MB_SUCCESS:
2734 case INTR_ROM_MB_FAILED:
2735 case INTR_MB_SUCCESS:
2736 case INTR_MB_FAILED:
e315cd28 2737 qla24xx_mbx_completion(vha, MSW(stat));
a8488abe
AV		 2738 status |= MBX_INTERRUPT;
2739
2740 break;
fafbda9f 2741 case INTR_ASYNC_EVENT:
a8488abe
AV		 2742 mb[0] = MSW(stat);
2743 mb[1] = RD_REG_WORD(&reg->mailbox1);
2744 mb[2] = RD_REG_WORD(&reg->mailbox2);
2745 mb[3] = RD_REG_WORD(&reg->mailbox3);
73208dfd 2746 qla2x00_async_event(vha, rsp, mb);
a8488abe 2747 break;
fafbda9f
AE		 2748 case INTR_RSP_QUE_UPDATE:
2749 case INTR_RSP_QUE_UPDATE_83XX:
2afa19a9 2750 qla24xx_process_response_queue(vha, rsp);
a8488abe 2751 break;
fafbda9f 2752 case INTR_ATIO_QUE_UPDATE:
2d70c103
NB		 2753 qlt_24xx_process_atio_queue(vha);
2754 break;
fafbda9f 2755 case INTR_ATIO_RSP_QUE_UPDATE:
2d70c103
NB		 2756 qlt_24xx_process_atio_queue(vha);
2757 qla24xx_process_response_queue(vha, rsp);
2758 break;
a8488abe 2759 default:
7c3df132
SK		 2760 ql_dbg(ql_dbg_async, vha, 0x5051,
2761 "Unrecognized interrupt type (%d).\n", stat & 0xff);
a8488abe
AV		 2762 break;
2763 }
2764 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
87f27015 2765 } while (0);
0f19bc68 2766 spin_unlock_irqrestore(&ha->hardware_lock, flags);
a8488abe
AV		 2767
2768 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
2769 (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
a8488abe 2770 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
0b05a1f0 2771 complete(&ha->mbx_intr_comp);
a8488abe 2772 }
a8488abe
AV		 2773 return IRQ_HANDLED;
2774}
2775
2776/* Interrupt handling helpers. */
2777
2778struct qla_init_msix_entry {
a8488abe 2779 const char *name;
476834c2 2780 irq_handler_t handler;
a8488abe
AV		 2781};
2782
68ca949c 2783static struct qla_init_msix_entry msix_entries[3] = {
2afa19a9
AC		 2784 { "qla2xxx (default)", qla24xx_msix_default },
2785 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
68ca949c 2786 { "qla2xxx (multiq)", qla25xx_msix_rsp_q },
a8488abe
AV		 2787};
2788
a9083016
GM		 2789static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
2790 { "qla2xxx (default)", qla82xx_msix_default },
2791 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
2792};
2793
aa230bc5
AE		 2794static struct qla_init_msix_entry qla83xx_msix_entries[3] = {
2795 { "qla2xxx (default)", qla24xx_msix_default },
2796 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
2797 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
2798};
2799
a8488abe 2800static void
e315cd28 2801qla24xx_disable_msix(struct qla_hw_data *ha)
a8488abe
AV		 2802{
2803 int i;
2804 struct qla_msix_entry *qentry;
7c3df132 2805 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe 2806
73208dfd
AC		 2807 for (i = 0; i < ha->msix_count; i++) {
2808 qentry = &ha->msix_entries[i];
a8488abe 2809 if (qentry->have_irq)
73208dfd 2810 free_irq(qentry->vector, qentry->rsp);
a8488abe
AV		 2811 }
2812 pci_disable_msix(ha->pdev);
73208dfd
AC		 2813 kfree(ha->msix_entries);
2814 ha->msix_entries = NULL;
2815 ha->flags.msix_enabled = 0;
7c3df132
SK		 2816 ql_dbg(ql_dbg_init, vha, 0x0042,
2817 "Disabled the MSI.\n");
a8488abe
AV		 2818}
2819
2820static int
73208dfd 2821qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe 2822{
ad038fa8 2823#define MIN_MSIX_COUNT 2
a8488abe 2824 int i, ret;
73208dfd 2825 struct msix_entry *entries;
a8488abe 2826 struct qla_msix_entry *qentry;
7c3df132 2827 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 2828
2829 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
a9083016 2830 GFP_KERNEL);
7c3df132
SK		 2831 if (!entries) {
2832 ql_log(ql_log_warn, vha, 0x00bc,
2833 "Failed to allocate memory for msix_entry.\n");
73208dfd 2834 return -ENOMEM;
7c3df132 2835 }
a8488abe 2836
73208dfd
AC		 2837 for (i = 0; i < ha->msix_count; i++)
2838 entries[i].entry = i;
a8488abe 2839
73208dfd 2840 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
a8488abe 2841 if (ret) {
ad038fa8
LC		 2842 if (ret < MIN_MSIX_COUNT)
2843 goto msix_failed;
2844
7c3df132
SK		 2845 ql_log(ql_log_warn, vha, 0x00c6,
2846 "MSI-X: Failed to enable support "
2847 "-- %d/%d\n Retry with %d vectors.\n",
2848 ha->msix_count, ret, ret);
73208dfd
AC		 2849 ha->msix_count = ret;
2850 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
2851 if (ret) {
ad038fa8 2852msix_failed:
7c3df132
SK		 2853 ql_log(ql_log_fatal, vha, 0x00c7,
2854 "MSI-X: Failed to enable support, "
2855 "giving up -- %d/%d.\n",
2856 ha->msix_count, ret);
73208dfd
AC		 2857 goto msix_out;
2858 }
2afa19a9 2859 ha->max_rsp_queues = ha->msix_count - 1;
73208dfd
AC		 2860 }
2861 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
2862 ha->msix_count, GFP_KERNEL);
2863 if (!ha->msix_entries) {
7c3df132
SK		 2864 ql_log(ql_log_fatal, vha, 0x00c8,
2865 "Failed to allocate memory for ha->msix_entries.\n");
73208dfd 2866 ret = -ENOMEM;
a8488abe
AV		 2867 goto msix_out;
2868 }
2869 ha->flags.msix_enabled = 1;
2870
73208dfd
AC		 2871 for (i = 0; i < ha->msix_count; i++) {
2872 qentry = &ha->msix_entries[i];
2873 qentry->vector = entries[i].vector;
2874 qentry->entry = entries[i].entry;
a8488abe 2875 qentry->have_irq = 0;
73208dfd 2876 qentry->rsp = NULL;
a8488abe
AV		 2877 }
2878
2afa19a9 2879 /* Enable MSI-X vectors for the base queue */
aa230bc5 2880 for (i = 0; i < ha->msix_count; i++) {
2afa19a9 2881 qentry = &ha->msix_entries[i];
aa230bc5
AE		 2882 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
2883 ret = request_irq(qentry->vector,
2884 qla83xx_msix_entries[i].handler,
2885 0, qla83xx_msix_entries[i].name, rsp);
2886 } else if (IS_QLA82XX(ha)) {
a9083016
GM		 2887 ret = request_irq(qentry->vector,
2888 qla82xx_msix_entries[i].handler,
2889 0, qla82xx_msix_entries[i].name, rsp);
2890 } else {
2891 ret = request_irq(qentry->vector,
2892 msix_entries[i].handler,
2893 0, msix_entries[i].name, rsp);
2894 }
2afa19a9 2895 if (ret) {
7c3df132
SK		 2896 ql_log(ql_log_fatal, vha, 0x00cb,
2897 "MSI-X: unable to register handler -- %x/%d.\n",
2898 qentry->vector, ret);
2afa19a9
AC		 2899 qla24xx_disable_msix(ha);
2900 ha->mqenable = 0;
2901 goto msix_out;
2902 }
2903 qentry->have_irq = 1;
2904 qentry->rsp = rsp;
2905 rsp->msix = qentry;
73208dfd 2906 }
73208dfd
AC		 2907
2908 /* Enable MSI-X vector for response queue update for queue 0 */
6246b8a1
GM		 2909 if (IS_QLA83XX(ha)) {
2910 if (ha->msixbase && ha->mqiobase &&
2911 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2912 ha->mqenable = 1;
2913 } else
2914 if (ha->mqiobase
2915 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
2916 ha->mqenable = 1;
7c3df132
SK		 2917 ql_dbg(ql_dbg_multiq, vha, 0xc005,
2918 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2919 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
2920 ql_dbg(ql_dbg_init, vha, 0x0055,
2921 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
2922 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
73208dfd 2923
a8488abe 2924msix_out:
73208dfd 2925 kfree(entries);
a8488abe
AV		 2926 return ret;
2927}
2928
2929int
73208dfd 2930qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
a8488abe
AV		 2931{
2932 int ret;
963b0fdd 2933 device_reg_t __iomem *reg = ha->iobase;
7c3df132 2934 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
a8488abe
AV		 2935
2936 /* If possible, enable MSI-X. */
6246b8a1 2937 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
8ae6d9c7 2938 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha))
6377a7ae
BH		 2939 goto skip_msi;
2940
2941 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
2942 (ha->pdev->subsystem_device == 0x7040 ||
2943 ha->pdev->subsystem_device == 0x7041 ||
2944 ha->pdev->subsystem_device == 0x1705)) {
7c3df132
SK		 2945 ql_log(ql_log_warn, vha, 0x0034,
2946 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
6377a7ae 2947 ha->pdev->subsystem_vendor,
7c3df132 2948 ha->pdev->subsystem_device);
6377a7ae
BH		 2949 goto skip_msi;
2950 }
a8488abe 2951
42cd4f5d 2952 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
7c3df132
SK		 2953 ql_log(ql_log_warn, vha, 0x0035,
2954 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
42cd4f5d 2955 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
a8488abe
AV		 2956 goto skip_msix;
2957 }
2958
73208dfd 2959 ret = qla24xx_enable_msix(ha, rsp);
a8488abe 2960 if (!ret) {
7c3df132
SK		 2961 ql_dbg(ql_dbg_init, vha, 0x0036,
2962 "MSI-X: Enabled (0x%X, 0x%X).\n",
2963 ha->chip_revision, ha->fw_attributes);
963b0fdd 2964 goto clear_risc_ints;
a8488abe 2965 }
7c3df132
SK		 2966 ql_log(ql_log_info, vha, 0x0037,
2967 "MSI-X Falling back-to MSI mode -%d.\n", ret);
a8488abe 2968skip_msix:
cbedb601 2969
3a03eb79 2970 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
8ae6d9c7 2971 !IS_QLA8001(ha) && !IS_QLA82XX(ha) && !IS_QLAFX00(ha))
cbedb601
AV		 2972 goto skip_msi;
2973
2974 ret = pci_enable_msi(ha->pdev);
2975 if (!ret) {
7c3df132
SK		 2976 ql_dbg(ql_dbg_init, vha, 0x0038,
2977 "MSI: Enabled.\n");
cbedb601 2978 ha->flags.msi_enabled = 1;
a9083016 2979 } else
7c3df132
SK		 2980 ql_log(ql_log_warn, vha, 0x0039,
2981 "MSI-X; Falling back-to INTa mode -- %d.\n", ret);
a033b655
GM		 2982
2983 /* Skip INTx on ISP82xx. */
2984 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
2985 return QLA_FUNCTION_FAILED;
2986
cbedb601
AV		 2987skip_msi:
2988
fd34f556 2989 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
7992abfc
MH		 2990 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
2991 QLA2XXX_DRIVER_NAME, rsp);
963b0fdd 2992 if (ret) {
7c3df132 2993 ql_log(ql_log_warn, vha, 0x003a,
a8488abe
AV		 2994 "Failed to reserve interrupt %d already in use.\n",
2995 ha->pdev->irq);
963b0fdd 2996 goto fail;
8ae6d9c7 2997 } else if (!ha->flags.msi_enabled) {
68d91cbd
SK		 2998 ql_dbg(ql_dbg_init, vha, 0x0125,
2999 "INTa mode: Enabled.\n");
8ae6d9c7
GM		 3000 ha->flags.mr_intr_valid = 1;
3001 }
7992abfc 3002
963b0fdd
AV		 3003clear_risc_ints:
3004
c6952483 3005 spin_lock_irq(&ha->hardware_lock);
c1114953 3006 if (!IS_FWI2_CAPABLE(ha))
963b0fdd 3007 WRT_REG_WORD(&reg->isp.semaphore, 0);
c6952483 3008 spin_unlock_irq(&ha->hardware_lock);
a8488abe 3009
963b0fdd 3010fail:
a8488abe
AV		 3011 return ret;
3012}
3013
3014void
e315cd28 3015qla2x00_free_irqs(scsi_qla_host_t *vha)
a8488abe 3016{
e315cd28 3017 struct qla_hw_data *ha = vha->hw;
9a347ff4
CD		 3018 struct rsp_que *rsp;
3019
3020 /*
3021 * We need to check that ha->rsp_q_map is valid in case we are called
3022 * from a probe failure context.
3023 */
3024 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3025 return;
3026 rsp = ha->rsp_q_map[0];
a8488abe
AV		 3027
3028 if (ha->flags.msix_enabled)
3029 qla24xx_disable_msix(ha);
90a86fc0 3030 else if (ha->flags.msi_enabled) {
e315cd28 3031 free_irq(ha->pdev->irq, rsp);
cbedb601 3032 pci_disable_msi(ha->pdev);
90a86fc0
JC		 3033 } else
3034 free_irq(ha->pdev->irq, rsp);
a8488abe 3035}
e315cd28 3036
73208dfd
AC		 3037
3038int qla25xx_request_irq(struct rsp_que *rsp)
3039{
3040 struct qla_hw_data *ha = rsp->hw;
2afa19a9 3041 struct qla_init_msix_entry *intr = &msix_entries[2];
73208dfd 3042 struct qla_msix_entry *msix = rsp->msix;
7c3df132 3043 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
73208dfd
AC		 3044 int ret;
3045
3046 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
3047 if (ret) {
7c3df132
SK		 3048 ql_log(ql_log_fatal, vha, 0x00e6,
3049 "MSI-X: Unable to register handler -- %x/%d.\n",
3050 msix->vector, ret);
73208dfd
AC		 3051 return ret;
3052 }
3053 msix->have_irq = 1;
3054 msix->rsp = rsp;
3055 return ret;
3056}
Linux 6.x block layer and io_uring tree(s)