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blk-mq: always free hctx after request queue is freed
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_isr.c
blob69bbea9239cc81e7c37bb21af78d7fd84e6471a7
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/cpu.h>
13 #include <linux/t10-pi.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsi_bsg_fc.h>
16 #include <scsi/scsi_eh.h>
17 #include <scsi/fc/fc_fs.h>
18 #include <linux/nvme-fc-driver.h>
19
20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25
26 /**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq: interrupt number
29 * @dev_id: SCSI driver HA context
30 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35 irqreturn_t
36 qla2100_intr_handler(int irq, void *dev_id)
37 {
38 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
40 struct device_reg_2xxx __iomem *reg;
41 int status;
42 unsigned long iter;
43 uint16_t hccr;
44 uint16_t mb[4];
45 struct rsp_que *rsp;
46 unsigned long flags;
47
48 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
50 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
52 return (IRQ_NONE);
53 }
54
55 ha = rsp->hw;
56 reg = &ha->iobase->isp;
57 status = 0;
58
59 spin_lock_irqsave(&ha->hardware_lock, flags);
60 vha = pci_get_drvdata(ha->pdev);
61 for (iter = 50; iter--; ) {
62 hccr = RD_REG_WORD(&reg->hccr);
63 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
64 break;
65 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
71 * bit to be cleared. Schedule a big hammer to get
72 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(&reg->hccr);
76
77 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
79 break;
80 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
81 break;
82
83 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
84 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(&reg->hccr);
86
87 /* Get mailbox data. */
88 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
90 qla2x00_mbx_completion(vha, mb[0]);
91 status |= MBX_INTERRUPT;
92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
96 qla2x00_async_event(vha, rsp, mb);
97 } else {
98 /*EMPTY*/
99 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(&reg->semaphore, 0);
105 RD_REG_WORD(&reg->semaphore);
106 } else {
107 qla2x00_process_response_queue(rsp);
108
109 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(&reg->hccr);
111 }
112 }
113 qla2x00_handle_mbx_completion(ha, status);
114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
115
116 return (IRQ_HANDLED);
117 }
118
119 bool
120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
121 {
122 /* Check for PCI disconnection */
123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
134 return true;
135 } else
136 return false;
137 }
138
139 bool
140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141 {
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143 }
144
145 /**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq: interrupt number
148 * @dev_id: SCSI driver HA context
149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154 irqreturn_t
155 qla2300_intr_handler(int irq, void *dev_id)
156 {
157 scsi_qla_host_t *vha;
158 struct device_reg_2xxx __iomem *reg;
159 int status;
160 unsigned long iter;
161 uint32_t stat;
162 uint16_t hccr;
163 uint16_t mb[4];
164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
166 unsigned long flags;
167
168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
172 return (IRQ_NONE);
173 }
174
175 ha = rsp->hw;
176 reg = &ha->iobase->isp;
177 status = 0;
178
179 spin_lock_irqsave(&ha->hardware_lock, flags);
180 vha = pci_get_drvdata(ha->pdev);
181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
184 break;
185 if (stat & HSR_RISC_PAUSED) {
186 if (unlikely(pci_channel_offline(ha->pdev)))
187 break;
188
189 hccr = RD_REG_WORD(&reg->hccr);
190
191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
195 else
196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
203 * hammer to get out of the RISC PAUSED state.
204 */
205 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(&reg->hccr);
207
208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
214 switch (stat & 0xff) {
215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
219 qla2x00_mbx_completion(vha, MSW(stat));
220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(&reg->semaphore, 0);
224 break;
225 case 0x12:
226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
230 qla2x00_async_event(vha, rsp, mb);
231 break;
232 case 0x13:
233 qla2x00_process_response_queue(rsp);
234 break;
235 case 0x15:
236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x16:
241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
244 qla2x00_async_event(vha, rsp, mb);
245 break;
246 default:
247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
249 break;
250 }
251 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(&reg->hccr);
253 }
254 qla2x00_handle_mbx_completion(ha, status);
255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
256
257 return (IRQ_HANDLED);
258 }
259
260 /**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
262 * @vha: SCSI driver HA context
263 * @mb0: Mailbox0 register
264 */
265 static void
266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
267 {
268 uint16_t cnt;
269 uint32_t mboxes;
270 uint16_t __iomem *wptr;
271 struct qla_hw_data *ha = vha->hw;
272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
273
274 /* Read all mbox registers? */
275 WARN_ON_ONCE(ha->mbx_count > 32);
276 mboxes = (1ULL << ha->mbx_count) - 1;
277 if (!ha->mcp)
278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
279 else
280 mboxes = ha->mcp->in_mb;
281
282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
285 mboxes >>= 1;
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
287
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
289 if (IS_QLA2200(ha) && cnt == 8)
290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
293 else if (mboxes & BIT_0)
294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
295
296 wptr++;
297 mboxes >>= 1;
298 }
299 }
300
301 static void
302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
303 {
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
306 int rval;
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
311
312 /* Seed data -- mailbox1 -> mailbox7. */
313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)&reg24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
317 else
318 return;
319
320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
322
323 ql_dbg(ql_dbg_async, vha, 0x5021,
324 "Inter-Driver Communication %s -- "
325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
328 switch (aen) {
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
331 if (mb[1] >> 15) {
332 vha->hw->flags.idc_compl_status = 1;
333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
334 complete(&vha->hw->dcbx_comp);
335 }
336 break;
337
338 case MBA_IDC_NOTIFY:
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
344
345 if (!timeout)
346 return;
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
351 break;
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
358 break;
359 }
360 }
361
362 #define LS_UNKNOWN 2
363 const char *
364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
365 {
366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
368 };
369 #define QLA_LAST_SPEED 7
370
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
372 return link_speeds[0];
373 else if (speed == 0x13)
374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
376 return link_speeds[speed];
377 else
378 return link_speeds[LS_UNKNOWN];
379 }
380
381 static void
382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
383 {
384 struct qla_hw_data *ha = vha->hw;
385
386 /*
387 * 8200 AEN Interpretation:
388 * mb[0] = AEN code
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
396 */
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
403
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
409
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
412
413 /*
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
425 */
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
438 "Not a fatal error, f/w has recovered itself.\n");
439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
458 uint16_t sfp_additional_info, sfp_multirate;
459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
498 sfp_additional_info = (mb[6] & 0x0003);
499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
514 htbt_counter, htbt_monitor_enable,
515 sfp_additional_info, sfp_multirate);
516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
536 if (ha->flags.nic_core_reset_owner)
537 return;
538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540 }
541
542 int
543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544 {
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565 }
566
567 fc_port_t *
568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569 {
570 fc_port_t *f, *tf;
571
572 f = tf = NULL;
573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
574 if (f->loop_id == loop_id)
575 return f;
576 return NULL;
577 }
578
579 fc_port_t *
580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
581 {
582 fc_port_t *f, *tf;
583
584 f = tf = NULL;
585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
587 if (incl_deleted)
588 return f;
589 else if (f->deleted == 0)
590 return f;
591 }
592 }
593 return NULL;
594 }
595
596 fc_port_t *
597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
598 u8 incl_deleted)
599 {
600 fc_port_t *f, *tf;
601
602 f = tf = NULL;
603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
604 if (f->d_id.b24 == id->b24) {
605 if (incl_deleted)
606 return f;
607 else if (f->deleted == 0)
608 return f;
609 }
610 }
611 return NULL;
612 }
613
614 /**
615 * qla2x00_async_event() - Process aynchronous events.
616 * @vha: SCSI driver HA context
617 * @rsp: response queue
618 * @mb: Mailbox registers (0 - 3)
619 */
620 void
621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
622 {
623 uint16_t handle_cnt;
624 uint16_t cnt, mbx;
625 uint32_t handles[5];
626 struct qla_hw_data *ha = vha->hw;
627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
630 uint32_t rscn_entry, host_pid;
631 unsigned long flags;
632 fc_port_t *fcport = NULL;
633
634 if (!vha->hw->flags.fw_started)
635 return;
636
637 /* Setup to process RIO completion. */
638 handle_cnt = 0;
639 if (IS_CNA_CAPABLE(ha))
640 goto skip_rio;
641 switch (mb[0]) {
642 case MBA_SCSI_COMPLETION:
643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
644 handle_cnt = 1;
645 break;
646 case MBA_CMPLT_1_16BIT:
647 handles[0] = mb[1];
648 handle_cnt = 1;
649 mb[0] = MBA_SCSI_COMPLETION;
650 break;
651 case MBA_CMPLT_2_16BIT:
652 handles[0] = mb[1];
653 handles[1] = mb[2];
654 handle_cnt = 2;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_3_16BIT:
658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
661 handle_cnt = 3;
662 mb[0] = MBA_SCSI_COMPLETION;
663 break;
664 case MBA_CMPLT_4_16BIT:
665 handles[0] = mb[1];
666 handles[1] = mb[2];
667 handles[2] = mb[3];
668 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
669 handle_cnt = 4;
670 mb[0] = MBA_SCSI_COMPLETION;
671 break;
672 case MBA_CMPLT_5_16BIT:
673 handles[0] = mb[1];
674 handles[1] = mb[2];
675 handles[2] = mb[3];
676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
677 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
678 handle_cnt = 5;
679 mb[0] = MBA_SCSI_COMPLETION;
680 break;
681 case MBA_CMPLT_2_32BIT:
682 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
683 handles[1] = le32_to_cpu(
684 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
685 RD_MAILBOX_REG(ha, reg, 6));
686 handle_cnt = 2;
687 mb[0] = MBA_SCSI_COMPLETION;
688 break;
689 default:
690 break;
691 }
692 skip_rio:
693 switch (mb[0]) {
694 case MBA_SCSI_COMPLETION: /* Fast Post */
695 if (!vha->flags.online)
696 break;
697
698 for (cnt = 0; cnt < handle_cnt; cnt++)
699 qla2x00_process_completed_request(vha, rsp->req,
700 handles[cnt]);
701 break;
702
703 case MBA_RESET: /* Reset */
704 ql_dbg(ql_dbg_async, vha, 0x5002,
705 "Asynchronous RESET.\n");
706
707 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
708 break;
709
710 case MBA_SYSTEM_ERR: /* System Error */
711 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
712 RD_REG_WORD(&reg24->mailbox7) : 0;
713 ql_log(ql_log_warn, vha, 0x5003,
714 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
715 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
716
717 ha->isp_ops->fw_dump(vha, 1);
718 ha->flags.fw_init_done = 0;
719 QLA_FW_STOPPED(ha);
720
721 if (IS_FWI2_CAPABLE(ha)) {
722 if (mb[1] == 0 && mb[2] == 0) {
723 ql_log(ql_log_fatal, vha, 0x5004,
724 "Unrecoverable Hardware Error: adapter "
725 "marked OFFLINE!\n");
726 vha->flags.online = 0;
727 vha->device_flags |= DFLG_DEV_FAILED;
728 } else {
729 /* Check to see if MPI timeout occurred */
730 if ((mbx & MBX_3) && (ha->port_no == 0))
731 set_bit(MPI_RESET_NEEDED,
732 &vha->dpc_flags);
733
734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
735 }
736 } else if (mb[1] == 0) {
737 ql_log(ql_log_fatal, vha, 0x5005,
738 "Unrecoverable Hardware Error: adapter marked "
739 "OFFLINE!\n");
740 vha->flags.online = 0;
741 vha->device_flags |= DFLG_DEV_FAILED;
742 } else
743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
744 break;
745
746 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
747 ql_log(ql_log_warn, vha, 0x5006,
748 "ISP Request Transfer Error (%x).\n", mb[1]);
749
750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
751 break;
752
753 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
754 ql_log(ql_log_warn, vha, 0x5007,
755 "ISP Response Transfer Error (%x).\n", mb[1]);
756
757 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
758 break;
759
760 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
761 ql_dbg(ql_dbg_async, vha, 0x5008,
762 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
763 break;
764
765 case MBA_LOOP_INIT_ERR:
766 ql_log(ql_log_warn, vha, 0x5090,
767 "LOOP INIT ERROR (%x).\n", mb[1]);
768 ha->isp_ops->fw_dump(vha, 1);
769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
770 break;
771
772 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
773 ha->flags.lip_ae = 1;
774
775 ql_dbg(ql_dbg_async, vha, 0x5009,
776 "LIP occurred (%x).\n", mb[1]);
777
778 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
779 atomic_set(&vha->loop_state, LOOP_DOWN);
780 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
781 qla2x00_mark_all_devices_lost(vha, 1);
782 }
783
784 if (vha->vp_idx) {
785 atomic_set(&vha->vp_state, VP_FAILED);
786 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
787 }
788
789 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
790 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
791
792 vha->flags.management_server_logged_in = 0;
793 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
794 break;
795
796 case MBA_LOOP_UP: /* Loop Up Event */
797 if (IS_QLA2100(ha) || IS_QLA2200(ha))
798 ha->link_data_rate = PORT_SPEED_1GB;
799 else
800 ha->link_data_rate = mb[1];
801
802 ql_log(ql_log_info, vha, 0x500a,
803 "LOOP UP detected (%s Gbps).\n",
804 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
805
806 vha->flags.management_server_logged_in = 0;
807 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
808
809 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
810 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
811 qla2xxx_wake_dpc(vha);
812 }
813 break;
814
815 case MBA_LOOP_DOWN: /* Loop Down Event */
816 SAVE_TOPO(ha);
817 ha->flags.lip_ae = 0;
818 ha->current_topology = 0;
819
820 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
821 ? RD_REG_WORD(&reg24->mailbox4) : 0;
822 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
823 : mbx;
824 ql_log(ql_log_info, vha, 0x500b,
825 "LOOP DOWN detected (%x %x %x %x).\n",
826 mb[1], mb[2], mb[3], mbx);
827
828 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
829 atomic_set(&vha->loop_state, LOOP_DOWN);
830 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
831 /*
832 * In case of loop down, restore WWPN from
833 * NVRAM in case of FA-WWPN capable ISP
834 * Restore for Physical Port only
835 */
836 if (!vha->vp_idx) {
837 if (ha->flags.fawwpn_enabled &&
838 (ha->current_topology == ISP_CFG_F)) {
839 void *wwpn = ha->init_cb->port_name;
840 memcpy(vha->port_name, wwpn, WWN_SIZE);
841 fc_host_port_name(vha->host) =
842 wwn_to_u64(vha->port_name);
843 ql_dbg(ql_dbg_init + ql_dbg_verbose,
844 vha, 0x00d8, "LOOP DOWN detected,"
845 "restore WWPN %016llx\n",
846 wwn_to_u64(vha->port_name));
847 }
848
849 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
850 }
851
852 vha->device_flags |= DFLG_NO_CABLE;
853 qla2x00_mark_all_devices_lost(vha, 1);
854 }
855
856 if (vha->vp_idx) {
857 atomic_set(&vha->vp_state, VP_FAILED);
858 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
859 }
860
861 vha->flags.management_server_logged_in = 0;
862 ha->link_data_rate = PORT_SPEED_UNKNOWN;
863 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
864 break;
865
866 case MBA_LIP_RESET: /* LIP reset occurred */
867 ql_dbg(ql_dbg_async, vha, 0x500c,
868 "LIP reset occurred (%x).\n", mb[1]);
869
870 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
871 atomic_set(&vha->loop_state, LOOP_DOWN);
872 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
873 qla2x00_mark_all_devices_lost(vha, 1);
874 }
875
876 if (vha->vp_idx) {
877 atomic_set(&vha->vp_state, VP_FAILED);
878 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
879 }
880
881 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
882
883 ha->operating_mode = LOOP;
884 vha->flags.management_server_logged_in = 0;
885 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
886 break;
887
888 /* case MBA_DCBX_COMPLETE: */
889 case MBA_POINT_TO_POINT: /* Point-to-Point */
890 ha->flags.lip_ae = 0;
891
892 if (IS_QLA2100(ha))
893 break;
894
895 if (IS_CNA_CAPABLE(ha)) {
896 ql_dbg(ql_dbg_async, vha, 0x500d,
897 "DCBX Completed -- %04x %04x %04x.\n",
898 mb[1], mb[2], mb[3]);
899 if (ha->notify_dcbx_comp && !vha->vp_idx)
900 complete(&ha->dcbx_comp);
901
902 } else
903 ql_dbg(ql_dbg_async, vha, 0x500e,
904 "Asynchronous P2P MODE received.\n");
905
906 /*
907 * Until there's a transition from loop down to loop up, treat
908 * this as loop down only.
909 */
910 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
911 atomic_set(&vha->loop_state, LOOP_DOWN);
912 if (!atomic_read(&vha->loop_down_timer))
913 atomic_set(&vha->loop_down_timer,
914 LOOP_DOWN_TIME);
915 if (!N2N_TOPO(ha))
916 qla2x00_mark_all_devices_lost(vha, 1);
917 }
918
919 if (vha->vp_idx) {
920 atomic_set(&vha->vp_state, VP_FAILED);
921 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
922 }
923
924 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
925 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
926
927 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
928 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
929
930 vha->flags.management_server_logged_in = 0;
931 break;
932
933 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
934 if (IS_QLA2100(ha))
935 break;
936
937 ql_dbg(ql_dbg_async, vha, 0x500f,
938 "Configuration change detected: value=%x.\n", mb[1]);
939
940 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
941 atomic_set(&vha->loop_state, LOOP_DOWN);
942 if (!atomic_read(&vha->loop_down_timer))
943 atomic_set(&vha->loop_down_timer,
944 LOOP_DOWN_TIME);
945 qla2x00_mark_all_devices_lost(vha, 1);
946 }
947
948 if (vha->vp_idx) {
949 atomic_set(&vha->vp_state, VP_FAILED);
950 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
951 }
952
953 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
954 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
955 break;
956
957 case MBA_PORT_UPDATE: /* Port database update */
958 /*
959 * Handle only global and vn-port update events
960 *
961 * Relevant inputs:
962 * mb[1] = N_Port handle of changed port
963 * OR 0xffff for global event
964 * mb[2] = New login state
965 * 7 = Port logged out
966 * mb[3] = LSB is vp_idx, 0xff = all vps
967 *
968 * Skip processing if:
969 * Event is global, vp_idx is NOT all vps,
970 * vp_idx does not match
971 * Event is not global, vp_idx does not match
972 */
973 if (IS_QLA2XXX_MIDTYPE(ha) &&
974 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
975 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
976 break;
977
978 if (mb[2] == 0x7) {
979 ql_dbg(ql_dbg_async, vha, 0x5010,
980 "Port %s %04x %04x %04x.\n",
981 mb[1] == 0xffff ? "unavailable" : "logout",
982 mb[1], mb[2], mb[3]);
983
984 if (mb[1] == 0xffff)
985 goto global_port_update;
986
987 if (mb[1] == NPH_SNS_LID(ha)) {
988 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
989 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
990 break;
991 }
992
993 /* use handle_cnt for loop id/nport handle */
994 if (IS_FWI2_CAPABLE(ha))
995 handle_cnt = NPH_SNS;
996 else
997 handle_cnt = SIMPLE_NAME_SERVER;
998 if (mb[1] == handle_cnt) {
999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1001 break;
1002 }
1003
1004 /* Port logout */
1005 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1006 if (!fcport)
1007 break;
1008 if (atomic_read(&fcport->state) != FCS_ONLINE)
1009 break;
1010 ql_dbg(ql_dbg_async, vha, 0x508a,
1011 "Marking port lost loopid=%04x portid=%06x.\n",
1012 fcport->loop_id, fcport->d_id.b24);
1013 if (qla_ini_mode_enabled(vha)) {
1014 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1015 fcport->logout_on_delete = 0;
1016 qlt_schedule_sess_for_deletion(fcport);
1017 }
1018 break;
1019
1020 global_port_update:
1021 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1022 atomic_set(&vha->loop_state, LOOP_DOWN);
1023 atomic_set(&vha->loop_down_timer,
1024 LOOP_DOWN_TIME);
1025 vha->device_flags |= DFLG_NO_CABLE;
1026 qla2x00_mark_all_devices_lost(vha, 1);
1027 }
1028
1029 if (vha->vp_idx) {
1030 atomic_set(&vha->vp_state, VP_FAILED);
1031 fc_vport_set_state(vha->fc_vport,
1032 FC_VPORT_FAILED);
1033 qla2x00_mark_all_devices_lost(vha, 1);
1034 }
1035
1036 vha->flags.management_server_logged_in = 0;
1037 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1038 break;
1039 }
1040
1041 /*
1042 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1043 * event etc. earlier indicating loop is down) then process
1044 * it. Otherwise ignore it and Wait for RSCN to come in.
1045 */
1046 atomic_set(&vha->loop_down_timer, 0);
1047 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1048 !ha->flags.n2n_ae &&
1049 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1050 ql_dbg(ql_dbg_async, vha, 0x5011,
1051 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1052 mb[1], mb[2], mb[3]);
1053
1054 qlt_async_event(mb[0], vha, mb);
1055 break;
1056 }
1057
1058 ql_dbg(ql_dbg_async, vha, 0x5012,
1059 "Port database changed %04x %04x %04x.\n",
1060 mb[1], mb[2], mb[3]);
1061
1062 /*
1063 * Mark all devices as missing so we will login again.
1064 */
1065 atomic_set(&vha->loop_state, LOOP_UP);
1066 vha->scan.scan_retry = 0;
1067
1068 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1069 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1070 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1071
1072 qlt_async_event(mb[0], vha, mb);
1073 break;
1074
1075 case MBA_RSCN_UPDATE: /* State Change Registration */
1076 /* Check if the Vport has issued a SCR */
1077 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1078 break;
1079 /* Only handle SCNs for our Vport index. */
1080 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1081 break;
1082
1083 ql_dbg(ql_dbg_async, vha, 0x5013,
1084 "RSCN database changed -- %04x %04x %04x.\n",
1085 mb[1], mb[2], mb[3]);
1086
1087 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1088 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1089 | vha->d_id.b.al_pa;
1090 if (rscn_entry == host_pid) {
1091 ql_dbg(ql_dbg_async, vha, 0x5014,
1092 "Ignoring RSCN update to local host "
1093 "port ID (%06x).\n", host_pid);
1094 break;
1095 }
1096
1097 /* Ignore reserved bits from RSCN-payload. */
1098 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1099
1100 /* Skip RSCNs for virtual ports on the same physical port */
1101 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1102 break;
1103
1104 atomic_set(&vha->loop_down_timer, 0);
1105 vha->flags.management_server_logged_in = 0;
1106 {
1107 struct event_arg ea;
1108
1109 memset(&ea, 0, sizeof(ea));
1110 ea.event = FCME_RSCN;
1111 ea.id.b24 = rscn_entry;
1112 ea.id.b.rsvd_1 = rscn_entry >> 24;
1113 qla2x00_fcport_event_handler(vha, &ea);
1114 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1115 }
1116 break;
1117 /* case MBA_RIO_RESPONSE: */
1118 case MBA_ZIO_RESPONSE:
1119 ql_dbg(ql_dbg_async, vha, 0x5015,
1120 "[R|Z]IO update completion.\n");
1121
1122 if (IS_FWI2_CAPABLE(ha))
1123 qla24xx_process_response_queue(vha, rsp);
1124 else
1125 qla2x00_process_response_queue(rsp);
1126 break;
1127
1128 case MBA_DISCARD_RND_FRAME:
1129 ql_dbg(ql_dbg_async, vha, 0x5016,
1130 "Discard RND Frame -- %04x %04x %04x.\n",
1131 mb[1], mb[2], mb[3]);
1132 break;
1133
1134 case MBA_TRACE_NOTIFICATION:
1135 ql_dbg(ql_dbg_async, vha, 0x5017,
1136 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1137 break;
1138
1139 case MBA_ISP84XX_ALERT:
1140 ql_dbg(ql_dbg_async, vha, 0x5018,
1141 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1142 mb[1], mb[2], mb[3]);
1143
1144 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1145 switch (mb[1]) {
1146 case A84_PANIC_RECOVERY:
1147 ql_log(ql_log_info, vha, 0x5019,
1148 "Alert 84XX: panic recovery %04x %04x.\n",
1149 mb[2], mb[3]);
1150 break;
1151 case A84_OP_LOGIN_COMPLETE:
1152 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1153 ql_log(ql_log_info, vha, 0x501a,
1154 "Alert 84XX: firmware version %x.\n",
1155 ha->cs84xx->op_fw_version);
1156 break;
1157 case A84_DIAG_LOGIN_COMPLETE:
1158 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1159 ql_log(ql_log_info, vha, 0x501b,
1160 "Alert 84XX: diagnostic firmware version %x.\n",
1161 ha->cs84xx->diag_fw_version);
1162 break;
1163 case A84_GOLD_LOGIN_COMPLETE:
1164 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1165 ha->cs84xx->fw_update = 1;
1166 ql_log(ql_log_info, vha, 0x501c,
1167 "Alert 84XX: gold firmware version %x.\n",
1168 ha->cs84xx->gold_fw_version);
1169 break;
1170 default:
1171 ql_log(ql_log_warn, vha, 0x501d,
1172 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1173 mb[1], mb[2], mb[3]);
1174 }
1175 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1176 break;
1177 case MBA_DCBX_START:
1178 ql_dbg(ql_dbg_async, vha, 0x501e,
1179 "DCBX Started -- %04x %04x %04x.\n",
1180 mb[1], mb[2], mb[3]);
1181 break;
1182 case MBA_DCBX_PARAM_UPDATE:
1183 ql_dbg(ql_dbg_async, vha, 0x501f,
1184 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1185 mb[1], mb[2], mb[3]);
1186 break;
1187 case MBA_FCF_CONF_ERR:
1188 ql_dbg(ql_dbg_async, vha, 0x5020,
1189 "FCF Configuration Error -- %04x %04x %04x.\n",
1190 mb[1], mb[2], mb[3]);
1191 break;
1192 case MBA_IDC_NOTIFY:
1193 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1194 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1195 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1196 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1197 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1198 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1199 /*
1200 * Extend loop down timer since port is active.
1201 */
1202 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1203 atomic_set(&vha->loop_down_timer,
1204 LOOP_DOWN_TIME);
1205 qla2xxx_wake_dpc(vha);
1206 }
1207 }
1208 /* fall through */
1209 case MBA_IDC_COMPLETE:
1210 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1211 complete(&ha->lb_portup_comp);
1212 /* Fallthru */
1213 case MBA_IDC_TIME_EXT:
1214 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1215 IS_QLA8044(ha))
1216 qla81xx_idc_event(vha, mb[0], mb[1]);
1217 break;
1218
1219 case MBA_IDC_AEN:
1220 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1221 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1222 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1223 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1224 qla83xx_handle_8200_aen(vha, mb);
1225 break;
1226
1227 case MBA_DPORT_DIAGNOSTICS:
1228 ql_dbg(ql_dbg_async, vha, 0x5052,
1229 "D-Port Diagnostics: %04x result=%s\n",
1230 mb[0],
1231 mb[1] == 0 ? "start" :
1232 mb[1] == 1 ? "done (pass)" :
1233 mb[1] == 2 ? "done (error)" : "other");
1234 break;
1235
1236 case MBA_TEMPERATURE_ALERT:
1237 ql_dbg(ql_dbg_async, vha, 0x505e,
1238 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1239 if (mb[1] == 0x12)
1240 schedule_work(&ha->board_disable);
1241 break;
1242
1243 case MBA_TRANS_INSERT:
1244 ql_dbg(ql_dbg_async, vha, 0x5091,
1245 "Transceiver Insertion: %04x\n", mb[1]);
1246 break;
1247
1248 default:
1249 ql_dbg(ql_dbg_async, vha, 0x5057,
1250 "Unknown AEN:%04x %04x %04x %04x\n",
1251 mb[0], mb[1], mb[2], mb[3]);
1252 }
1253
1254 qlt_async_event(mb[0], vha, mb);
1255
1256 if (!vha->vp_idx && ha->num_vhosts)
1257 qla2x00_alert_all_vps(rsp, mb);
1258 }
1259
1260 /**
1261 * qla2x00_process_completed_request() - Process a Fast Post response.
1262 * @vha: SCSI driver HA context
1263 * @req: request queue
1264 * @index: SRB index
1265 */
1266 void
1267 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1268 struct req_que *req, uint32_t index)
1269 {
1270 srb_t *sp;
1271 struct qla_hw_data *ha = vha->hw;
1272
1273 /* Validate handle. */
1274 if (index >= req->num_outstanding_cmds) {
1275 ql_log(ql_log_warn, vha, 0x3014,
1276 "Invalid SCSI command index (%x).\n", index);
1277
1278 if (IS_P3P_TYPE(ha))
1279 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1280 else
1281 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1282 return;
1283 }
1284
1285 sp = req->outstanding_cmds[index];
1286 if (sp) {
1287 /* Free outstanding command slot. */
1288 req->outstanding_cmds[index] = NULL;
1289
1290 /* Save ISP completion status */
1291 sp->done(sp, DID_OK << 16);
1292 } else {
1293 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1294
1295 if (IS_P3P_TYPE(ha))
1296 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1297 else
1298 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1299 }
1300 }
1301
1302 srb_t *
1303 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1304 struct req_que *req, void *iocb)
1305 {
1306 struct qla_hw_data *ha = vha->hw;
1307 sts_entry_t *pkt = iocb;
1308 srb_t *sp = NULL;
1309 uint16_t index;
1310
1311 index = LSW(pkt->handle);
1312 if (index >= req->num_outstanding_cmds) {
1313 ql_log(ql_log_warn, vha, 0x5031,
1314 "Invalid command index (%x) type %8ph.\n",
1315 index, iocb);
1316 if (IS_P3P_TYPE(ha))
1317 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1318 else
1319 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1320 goto done;
1321 }
1322 sp = req->outstanding_cmds[index];
1323 if (!sp) {
1324 ql_log(ql_log_warn, vha, 0x5032,
1325 "Invalid completion handle (%x) -- timed-out.\n", index);
1326 return sp;
1327 }
1328 if (sp->handle != index) {
1329 ql_log(ql_log_warn, vha, 0x5033,
1330 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1331 return NULL;
1332 }
1333
1334 req->outstanding_cmds[index] = NULL;
1335
1336 done:
1337 return sp;
1338 }
1339
1340 static void
1341 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1342 struct mbx_entry *mbx)
1343 {
1344 const char func[] = "MBX-IOCB";
1345 const char *type;
1346 fc_port_t *fcport;
1347 srb_t *sp;
1348 struct srb_iocb *lio;
1349 uint16_t *data;
1350 uint16_t status;
1351
1352 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1353 if (!sp)
1354 return;
1355
1356 lio = &sp->u.iocb_cmd;
1357 type = sp->name;
1358 fcport = sp->fcport;
1359 data = lio->u.logio.data;
1360
1361 data[0] = MBS_COMMAND_ERROR;
1362 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1363 QLA_LOGIO_LOGIN_RETRIED : 0;
1364 if (mbx->entry_status) {
1365 ql_dbg(ql_dbg_async, vha, 0x5043,
1366 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1367 "entry-status=%x status=%x state-flag=%x "
1368 "status-flags=%x.\n", type, sp->handle,
1369 fcport->d_id.b.domain, fcport->d_id.b.area,
1370 fcport->d_id.b.al_pa, mbx->entry_status,
1371 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1372 le16_to_cpu(mbx->status_flags));
1373
1374 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1375 (uint8_t *)mbx, sizeof(*mbx));
1376
1377 goto logio_done;
1378 }
1379
1380 status = le16_to_cpu(mbx->status);
1381 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1382 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1383 status = 0;
1384 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1385 ql_dbg(ql_dbg_async, vha, 0x5045,
1386 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1387 type, sp->handle, fcport->d_id.b.domain,
1388 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1389 le16_to_cpu(mbx->mb1));
1390
1391 data[0] = MBS_COMMAND_COMPLETE;
1392 if (sp->type == SRB_LOGIN_CMD) {
1393 fcport->port_type = FCT_TARGET;
1394 if (le16_to_cpu(mbx->mb1) & BIT_0)
1395 fcport->port_type = FCT_INITIATOR;
1396 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1397 fcport->flags |= FCF_FCP2_DEVICE;
1398 }
1399 goto logio_done;
1400 }
1401
1402 data[0] = le16_to_cpu(mbx->mb0);
1403 switch (data[0]) {
1404 case MBS_PORT_ID_USED:
1405 data[1] = le16_to_cpu(mbx->mb1);
1406 break;
1407 case MBS_LOOP_ID_USED:
1408 break;
1409 default:
1410 data[0] = MBS_COMMAND_ERROR;
1411 break;
1412 }
1413
1414 ql_log(ql_log_warn, vha, 0x5046,
1415 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1416 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1417 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1418 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1419 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1420 le16_to_cpu(mbx->mb7));
1421
1422 logio_done:
1423 sp->done(sp, 0);
1424 }
1425
1426 static void
1427 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1428 struct mbx_24xx_entry *pkt)
1429 {
1430 const char func[] = "MBX-IOCB2";
1431 srb_t *sp;
1432 struct srb_iocb *si;
1433 u16 sz, i;
1434 int res;
1435
1436 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1437 if (!sp)
1438 return;
1439
1440 si = &sp->u.iocb_cmd;
1441 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1442
1443 for (i = 0; i < sz; i++)
1444 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1445
1446 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1447
1448 sp->done(sp, res);
1449 }
1450
1451 static void
1452 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1453 struct nack_to_isp *pkt)
1454 {
1455 const char func[] = "nack";
1456 srb_t *sp;
1457 int res = 0;
1458
1459 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1460 if (!sp)
1461 return;
1462
1463 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1464 res = QLA_FUNCTION_FAILED;
1465
1466 sp->done(sp, res);
1467 }
1468
1469 static void
1470 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1471 sts_entry_t *pkt, int iocb_type)
1472 {
1473 const char func[] = "CT_IOCB";
1474 const char *type;
1475 srb_t *sp;
1476 struct bsg_job *bsg_job;
1477 struct fc_bsg_reply *bsg_reply;
1478 uint16_t comp_status;
1479 int res = 0;
1480
1481 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1482 if (!sp)
1483 return;
1484
1485 switch (sp->type) {
1486 case SRB_CT_CMD:
1487 bsg_job = sp->u.bsg_job;
1488 bsg_reply = bsg_job->reply;
1489
1490 type = "ct pass-through";
1491
1492 comp_status = le16_to_cpu(pkt->comp_status);
1493
1494 /*
1495 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1496 * fc payload to the caller
1497 */
1498 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1499 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1500
1501 if (comp_status != CS_COMPLETE) {
1502 if (comp_status == CS_DATA_UNDERRUN) {
1503 res = DID_OK << 16;
1504 bsg_reply->reply_payload_rcv_len =
1505 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1506
1507 ql_log(ql_log_warn, vha, 0x5048,
1508 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1509 type, comp_status,
1510 bsg_reply->reply_payload_rcv_len);
1511 } else {
1512 ql_log(ql_log_warn, vha, 0x5049,
1513 "CT pass-through-%s error comp_status=0x%x.\n",
1514 type, comp_status);
1515 res = DID_ERROR << 16;
1516 bsg_reply->reply_payload_rcv_len = 0;
1517 }
1518 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1519 (uint8_t *)pkt, sizeof(*pkt));
1520 } else {
1521 res = DID_OK << 16;
1522 bsg_reply->reply_payload_rcv_len =
1523 bsg_job->reply_payload.payload_len;
1524 bsg_job->reply_len = 0;
1525 }
1526 break;
1527 case SRB_CT_PTHRU_CMD:
1528 /*
1529 * borrowing sts_entry_24xx.comp_status.
1530 * same location as ct_entry_24xx.comp_status
1531 */
1532 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1533 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1534 sp->name);
1535 break;
1536 }
1537
1538 sp->done(sp, res);
1539 }
1540
1541 static void
1542 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1543 struct sts_entry_24xx *pkt, int iocb_type)
1544 {
1545 const char func[] = "ELS_CT_IOCB";
1546 const char *type;
1547 srb_t *sp;
1548 struct bsg_job *bsg_job;
1549 struct fc_bsg_reply *bsg_reply;
1550 uint16_t comp_status;
1551 uint32_t fw_status[3];
1552 int res;
1553 struct srb_iocb *els;
1554
1555 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1556 if (!sp)
1557 return;
1558
1559 type = NULL;
1560 switch (sp->type) {
1561 case SRB_ELS_CMD_RPT:
1562 case SRB_ELS_CMD_HST:
1563 type = "els";
1564 break;
1565 case SRB_CT_CMD:
1566 type = "ct pass-through";
1567 break;
1568 case SRB_ELS_DCMD:
1569 type = "Driver ELS logo";
1570 if (iocb_type != ELS_IOCB_TYPE) {
1571 ql_dbg(ql_dbg_user, vha, 0x5047,
1572 "Completing %s: (%p) type=%d.\n",
1573 type, sp, sp->type);
1574 sp->done(sp, 0);
1575 return;
1576 }
1577 break;
1578 case SRB_CT_PTHRU_CMD:
1579 /* borrowing sts_entry_24xx.comp_status.
1580 same location as ct_entry_24xx.comp_status
1581 */
1582 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1583 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1584 sp->name);
1585 sp->done(sp, res);
1586 return;
1587 default:
1588 ql_dbg(ql_dbg_user, vha, 0x503e,
1589 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1590 return;
1591 }
1592
1593 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1594 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1595 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1596
1597 if (iocb_type == ELS_IOCB_TYPE) {
1598 els = &sp->u.iocb_cmd;
1599 els->u.els_plogi.fw_status[0] = fw_status[0];
1600 els->u.els_plogi.fw_status[1] = fw_status[1];
1601 els->u.els_plogi.fw_status[2] = fw_status[2];
1602 els->u.els_plogi.comp_status = fw_status[0];
1603 if (comp_status == CS_COMPLETE) {
1604 res = DID_OK << 16;
1605 } else {
1606 if (comp_status == CS_DATA_UNDERRUN) {
1607 res = DID_OK << 16;
1608 els->u.els_plogi.len =
1609 le16_to_cpu(((struct els_sts_entry_24xx *)
1610 pkt)->total_byte_count);
1611 } else {
1612 els->u.els_plogi.len = 0;
1613 res = DID_ERROR << 16;
1614 }
1615 }
1616 ql_log(ql_log_info, vha, 0x503f,
1617 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n",
1618 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1619 le16_to_cpu(((struct els_sts_entry_24xx *)
1620 pkt)->total_byte_count));
1621 goto els_ct_done;
1622 }
1623
1624 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1625 * fc payload to the caller
1626 */
1627 bsg_job = sp->u.bsg_job;
1628 bsg_reply = bsg_job->reply;
1629 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1630 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1631
1632 if (comp_status != CS_COMPLETE) {
1633 if (comp_status == CS_DATA_UNDERRUN) {
1634 res = DID_OK << 16;
1635 bsg_reply->reply_payload_rcv_len =
1636 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1637
1638 ql_dbg(ql_dbg_user, vha, 0x503f,
1639 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1640 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1641 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1642 le16_to_cpu(((struct els_sts_entry_24xx *)
1643 pkt)->total_byte_count));
1644 } else {
1645 ql_dbg(ql_dbg_user, vha, 0x5040,
1646 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1647 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1648 type, sp->handle, comp_status,
1649 le16_to_cpu(((struct els_sts_entry_24xx *)
1650 pkt)->error_subcode_1),
1651 le16_to_cpu(((struct els_sts_entry_24xx *)
1652 pkt)->error_subcode_2));
1653 res = DID_ERROR << 16;
1654 bsg_reply->reply_payload_rcv_len = 0;
1655 }
1656 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1657 fw_status, sizeof(fw_status));
1658 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1659 (uint8_t *)pkt, sizeof(*pkt));
1660 }
1661 else {
1662 res = DID_OK << 16;
1663 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1664 bsg_job->reply_len = 0;
1665 }
1666 els_ct_done:
1667
1668 sp->done(sp, res);
1669 }
1670
1671 static void
1672 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1673 struct logio_entry_24xx *logio)
1674 {
1675 const char func[] = "LOGIO-IOCB";
1676 const char *type;
1677 fc_port_t *fcport;
1678 srb_t *sp;
1679 struct srb_iocb *lio;
1680 uint16_t *data;
1681 uint32_t iop[2];
1682
1683 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1684 if (!sp)
1685 return;
1686
1687 lio = &sp->u.iocb_cmd;
1688 type = sp->name;
1689 fcport = sp->fcport;
1690 data = lio->u.logio.data;
1691
1692 data[0] = MBS_COMMAND_ERROR;
1693 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1694 QLA_LOGIO_LOGIN_RETRIED : 0;
1695 if (logio->entry_status) {
1696 ql_log(ql_log_warn, fcport->vha, 0x5034,
1697 "Async-%s error entry - %8phC hdl=%x"
1698 "portid=%02x%02x%02x entry-status=%x.\n",
1699 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1700 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1701 logio->entry_status);
1702 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1703 (uint8_t *)logio, sizeof(*logio));
1704
1705 goto logio_done;
1706 }
1707
1708 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1709 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1710 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1711 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1712 fcport->d_id.b.domain,
1713 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1714 le32_to_cpu(logio->io_parameter[0]));
1715
1716 vha->hw->exch_starvation = 0;
1717 data[0] = MBS_COMMAND_COMPLETE;
1718
1719 if (sp->type == SRB_PRLI_CMD) {
1720 lio->u.logio.iop[0] =
1721 le32_to_cpu(logio->io_parameter[0]);
1722 lio->u.logio.iop[1] =
1723 le32_to_cpu(logio->io_parameter[1]);
1724 goto logio_done;
1725 }
1726
1727 if (sp->type != SRB_LOGIN_CMD)
1728 goto logio_done;
1729
1730 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1731 if (iop[0] & BIT_4) {
1732 fcport->port_type = FCT_TARGET;
1733 if (iop[0] & BIT_8)
1734 fcport->flags |= FCF_FCP2_DEVICE;
1735 } else if (iop[0] & BIT_5)
1736 fcport->port_type = FCT_INITIATOR;
1737
1738 if (iop[0] & BIT_7)
1739 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1740
1741 if (logio->io_parameter[7] || logio->io_parameter[8])
1742 fcport->supported_classes |= FC_COS_CLASS2;
1743 if (logio->io_parameter[9] || logio->io_parameter[10])
1744 fcport->supported_classes |= FC_COS_CLASS3;
1745
1746 goto logio_done;
1747 }
1748
1749 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1750 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1751 lio->u.logio.iop[0] = iop[0];
1752 lio->u.logio.iop[1] = iop[1];
1753 switch (iop[0]) {
1754 case LSC_SCODE_PORTID_USED:
1755 data[0] = MBS_PORT_ID_USED;
1756 data[1] = LSW(iop[1]);
1757 break;
1758 case LSC_SCODE_NPORT_USED:
1759 data[0] = MBS_LOOP_ID_USED;
1760 break;
1761 case LSC_SCODE_CMD_FAILED:
1762 if (iop[1] == 0x0606) {
1763 /*
1764 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1765 * Target side acked.
1766 */
1767 data[0] = MBS_COMMAND_COMPLETE;
1768 goto logio_done;
1769 }
1770 data[0] = MBS_COMMAND_ERROR;
1771 break;
1772 case LSC_SCODE_NOXCB:
1773 vha->hw->exch_starvation++;
1774 if (vha->hw->exch_starvation > 5) {
1775 ql_log(ql_log_warn, vha, 0xd046,
1776 "Exchange starvation. Resetting RISC\n");
1777
1778 vha->hw->exch_starvation = 0;
1779
1780 if (IS_P3P_TYPE(vha->hw))
1781 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1782 else
1783 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1784 qla2xxx_wake_dpc(vha);
1785 }
1786 /* fall through */
1787 default:
1788 data[0] = MBS_COMMAND_ERROR;
1789 break;
1790 }
1791
1792 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1793 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1794 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1795 sp->handle, fcport->d_id.b.domain,
1796 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1797 le16_to_cpu(logio->comp_status),
1798 le32_to_cpu(logio->io_parameter[0]),
1799 le32_to_cpu(logio->io_parameter[1]));
1800
1801 logio_done:
1802 sp->done(sp, 0);
1803 }
1804
1805 static void
1806 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1807 {
1808 const char func[] = "TMF-IOCB";
1809 const char *type;
1810 fc_port_t *fcport;
1811 srb_t *sp;
1812 struct srb_iocb *iocb;
1813 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1814
1815 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1816 if (!sp)
1817 return;
1818
1819 iocb = &sp->u.iocb_cmd;
1820 type = sp->name;
1821 fcport = sp->fcport;
1822 iocb->u.tmf.data = QLA_SUCCESS;
1823
1824 if (sts->entry_status) {
1825 ql_log(ql_log_warn, fcport->vha, 0x5038,
1826 "Async-%s error - hdl=%x entry-status(%x).\n",
1827 type, sp->handle, sts->entry_status);
1828 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1829 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1830 ql_log(ql_log_warn, fcport->vha, 0x5039,
1831 "Async-%s error - hdl=%x completion status(%x).\n",
1832 type, sp->handle, sts->comp_status);
1833 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1834 } else if ((le16_to_cpu(sts->scsi_status) &
1835 SS_RESPONSE_INFO_LEN_VALID)) {
1836 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1837 ql_log(ql_log_warn, fcport->vha, 0x503b,
1838 "Async-%s error - hdl=%x not enough response(%d).\n",
1839 type, sp->handle, sts->rsp_data_len);
1840 } else if (sts->data[3]) {
1841 ql_log(ql_log_warn, fcport->vha, 0x503c,
1842 "Async-%s error - hdl=%x response(%x).\n",
1843 type, sp->handle, sts->data[3]);
1844 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1845 }
1846 }
1847
1848 if (iocb->u.tmf.data != QLA_SUCCESS)
1849 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1850 (uint8_t *)sts, sizeof(*sts));
1851
1852 sp->done(sp, 0);
1853 }
1854
1855 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1856 void *tsk, srb_t *sp)
1857 {
1858 fc_port_t *fcport;
1859 struct srb_iocb *iocb;
1860 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1861 uint16_t state_flags;
1862 struct nvmefc_fcp_req *fd;
1863 uint16_t ret = QLA_SUCCESS;
1864 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1865
1866 iocb = &sp->u.iocb_cmd;
1867 fcport = sp->fcport;
1868 iocb->u.nvme.comp_status = comp_status;
1869 state_flags = le16_to_cpu(sts->state_flags);
1870 fd = iocb->u.nvme.desc;
1871
1872 if (unlikely(iocb->u.nvme.aen_op))
1873 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1874
1875 /*
1876 * State flags: Bit 6 and 0.
1877 * If 0 is set, we don't care about 6.
1878 * both cases resp was dma'd to host buffer
1879 * if both are 0, that is good path case.
1880 * if six is set and 0 is clear, we need to
1881 * copy resp data from status iocb to resp buffer.
1882 */
1883 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1884 iocb->u.nvme.rsp_pyld_len = 0;
1885 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1886 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1887 } else if (state_flags & SF_NVME_ERSP) {
1888 uint32_t *inbuf, *outbuf;
1889 uint16_t iter;
1890
1891 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1892 outbuf = (uint32_t *)fd->rspaddr;
1893 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1894 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1895 for (; iter; iter--)
1896 *outbuf++ = swab32(*inbuf++);
1897 } else { /* unhandled case */
1898 ql_log(ql_log_warn, fcport->vha, 0x503a,
1899 "NVME-%s error. Unhandled state_flags of %x\n",
1900 sp->name, state_flags);
1901 }
1902
1903 fd->transferred_length = fd->payload_length -
1904 le32_to_cpu(sts->residual_len);
1905
1906 if (unlikely(comp_status != CS_COMPLETE))
1907 ql_log(ql_log_warn, fcport->vha, 0x5060,
1908 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
1909 sp->name, sp->handle, comp_status,
1910 fd->transferred_length, le32_to_cpu(sts->residual_len),
1911 sts->ox_id);
1912
1913 /*
1914 * If transport error then Failure (HBA rejects request)
1915 * otherwise transport will handle.
1916 */
1917 switch (comp_status) {
1918 case CS_COMPLETE:
1919 break;
1920
1921 case CS_RESET:
1922 case CS_PORT_UNAVAILABLE:
1923 case CS_PORT_LOGGED_OUT:
1924 fcport->nvme_flag |= NVME_FLAG_RESETTING;
1925 /* fall through */
1926 case CS_ABORTED:
1927 case CS_PORT_BUSY:
1928 fd->transferred_length = 0;
1929 iocb->u.nvme.rsp_pyld_len = 0;
1930 ret = QLA_ABORTED;
1931 break;
1932 case CS_DATA_UNDERRUN:
1933 break;
1934 default:
1935 ret = QLA_FUNCTION_FAILED;
1936 break;
1937 }
1938 sp->done(sp, ret);
1939 }
1940
1941 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1942 struct vp_ctrl_entry_24xx *vce)
1943 {
1944 const char func[] = "CTRLVP-IOCB";
1945 srb_t *sp;
1946 int rval = QLA_SUCCESS;
1947
1948 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1949 if (!sp)
1950 return;
1951
1952 if (vce->entry_status != 0) {
1953 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1954 "%s: Failed to complete IOCB -- error status (%x)\n",
1955 sp->name, vce->entry_status);
1956 rval = QLA_FUNCTION_FAILED;
1957 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1958 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1959 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1960 sp->name, le16_to_cpu(vce->comp_status),
1961 le16_to_cpu(vce->vp_idx_failed));
1962 rval = QLA_FUNCTION_FAILED;
1963 } else {
1964 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1965 "Done %s.\n", __func__);
1966 }
1967
1968 sp->rc = rval;
1969 sp->done(sp, rval);
1970 }
1971
1972 /**
1973 * qla2x00_process_response_queue() - Process response queue entries.
1974 * @rsp: response queue
1975 */
1976 void
1977 qla2x00_process_response_queue(struct rsp_que *rsp)
1978 {
1979 struct scsi_qla_host *vha;
1980 struct qla_hw_data *ha = rsp->hw;
1981 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1982 sts_entry_t *pkt;
1983 uint16_t handle_cnt;
1984 uint16_t cnt;
1985
1986 vha = pci_get_drvdata(ha->pdev);
1987
1988 if (!vha->flags.online)
1989 return;
1990
1991 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1992 pkt = (sts_entry_t *)rsp->ring_ptr;
1993
1994 rsp->ring_index++;
1995 if (rsp->ring_index == rsp->length) {
1996 rsp->ring_index = 0;
1997 rsp->ring_ptr = rsp->ring;
1998 } else {
1999 rsp->ring_ptr++;
2000 }
2001
2002 if (pkt->entry_status != 0) {
2003 qla2x00_error_entry(vha, rsp, pkt);
2004 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2005 wmb();
2006 continue;
2007 }
2008
2009 switch (pkt->entry_type) {
2010 case STATUS_TYPE:
2011 qla2x00_status_entry(vha, rsp, pkt);
2012 break;
2013 case STATUS_TYPE_21:
2014 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
2015 for (cnt = 0; cnt < handle_cnt; cnt++) {
2016 qla2x00_process_completed_request(vha, rsp->req,
2017 ((sts21_entry_t *)pkt)->handle[cnt]);
2018 }
2019 break;
2020 case STATUS_TYPE_22:
2021 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
2022 for (cnt = 0; cnt < handle_cnt; cnt++) {
2023 qla2x00_process_completed_request(vha, rsp->req,
2024 ((sts22_entry_t *)pkt)->handle[cnt]);
2025 }
2026 break;
2027 case STATUS_CONT_TYPE:
2028 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2029 break;
2030 case MBX_IOCB_TYPE:
2031 qla2x00_mbx_iocb_entry(vha, rsp->req,
2032 (struct mbx_entry *)pkt);
2033 break;
2034 case CT_IOCB_TYPE:
2035 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2036 break;
2037 default:
2038 /* Type Not Supported. */
2039 ql_log(ql_log_warn, vha, 0x504a,
2040 "Received unknown response pkt type %x "
2041 "entry status=%x.\n",
2042 pkt->entry_type, pkt->entry_status);
2043 break;
2044 }
2045 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2046 wmb();
2047 }
2048
2049 /* Adjust ring index */
2050 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2051 }
2052
2053 static inline void
2054 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2055 uint32_t sense_len, struct rsp_que *rsp, int res)
2056 {
2057 struct scsi_qla_host *vha = sp->vha;
2058 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2059 uint32_t track_sense_len;
2060
2061 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2062 sense_len = SCSI_SENSE_BUFFERSIZE;
2063
2064 SET_CMD_SENSE_LEN(sp, sense_len);
2065 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2066 track_sense_len = sense_len;
2067
2068 if (sense_len > par_sense_len)
2069 sense_len = par_sense_len;
2070
2071 memcpy(cp->sense_buffer, sense_data, sense_len);
2072
2073 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2074 track_sense_len -= sense_len;
2075 SET_CMD_SENSE_LEN(sp, track_sense_len);
2076
2077 if (track_sense_len != 0) {
2078 rsp->status_srb = sp;
2079 cp->result = res;
2080 }
2081
2082 if (sense_len) {
2083 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2084 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2085 sp->vha->host_no, cp->device->id, cp->device->lun,
2086 cp);
2087 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2088 cp->sense_buffer, sense_len);
2089 }
2090 }
2091
2092 struct scsi_dif_tuple {
2093 __be16 guard; /* Checksum */
2094 __be16 app_tag; /* APPL identifier */
2095 __be32 ref_tag; /* Target LBA or indirect LBA */
2096 };
2097
2098 /*
2099 * Checks the guard or meta-data for the type of error
2100 * detected by the HBA. In case of errors, we set the
2101 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2102 * to indicate to the kernel that the HBA detected error.
2103 */
2104 static inline int
2105 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2106 {
2107 struct scsi_qla_host *vha = sp->vha;
2108 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2109 uint8_t *ap = &sts24->data[12];
2110 uint8_t *ep = &sts24->data[20];
2111 uint32_t e_ref_tag, a_ref_tag;
2112 uint16_t e_app_tag, a_app_tag;
2113 uint16_t e_guard, a_guard;
2114
2115 /*
2116 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2117 * would make guard field appear at offset 2
2118 */
2119 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2120 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2121 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2122 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2123 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2124 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2125
2126 ql_dbg(ql_dbg_io, vha, 0x3023,
2127 "iocb(s) %p Returned STATUS.\n", sts24);
2128
2129 ql_dbg(ql_dbg_io, vha, 0x3024,
2130 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2131 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2132 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2133 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2134 a_app_tag, e_app_tag, a_guard, e_guard);
2135
2136 /*
2137 * Ignore sector if:
2138 * For type 3: ref & app tag is all 'f's
2139 * For type 0,1,2: app tag is all 'f's
2140 */
2141 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2142 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2143 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2144 uint32_t blocks_done, resid;
2145 sector_t lba_s = scsi_get_lba(cmd);
2146
2147 /* 2TB boundary case covered automatically with this */
2148 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2149
2150 resid = scsi_bufflen(cmd) - (blocks_done *
2151 cmd->device->sector_size);
2152
2153 scsi_set_resid(cmd, resid);
2154 cmd->result = DID_OK << 16;
2155
2156 /* Update protection tag */
2157 if (scsi_prot_sg_count(cmd)) {
2158 uint32_t i, j = 0, k = 0, num_ent;
2159 struct scatterlist *sg;
2160 struct t10_pi_tuple *spt;
2161
2162 /* Patch the corresponding protection tags */
2163 scsi_for_each_prot_sg(cmd, sg,
2164 scsi_prot_sg_count(cmd), i) {
2165 num_ent = sg_dma_len(sg) / 8;
2166 if (k + num_ent < blocks_done) {
2167 k += num_ent;
2168 continue;
2169 }
2170 j = blocks_done - k - 1;
2171 k = blocks_done;
2172 break;
2173 }
2174
2175 if (k != blocks_done) {
2176 ql_log(ql_log_warn, vha, 0x302f,
2177 "unexpected tag values tag:lba=%x:%llx)\n",
2178 e_ref_tag, (unsigned long long)lba_s);
2179 return 1;
2180 }
2181
2182 spt = page_address(sg_page(sg)) + sg->offset;
2183 spt += j;
2184
2185 spt->app_tag = T10_PI_APP_ESCAPE;
2186 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2187 spt->ref_tag = T10_PI_REF_ESCAPE;
2188 }
2189
2190 return 0;
2191 }
2192
2193 /* check guard */
2194 if (e_guard != a_guard) {
2195 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2196 0x10, 0x1);
2197 set_driver_byte(cmd, DRIVER_SENSE);
2198 set_host_byte(cmd, DID_ABORT);
2199 cmd->result |= SAM_STAT_CHECK_CONDITION;
2200 return 1;
2201 }
2202
2203 /* check ref tag */
2204 if (e_ref_tag != a_ref_tag) {
2205 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2206 0x10, 0x3);
2207 set_driver_byte(cmd, DRIVER_SENSE);
2208 set_host_byte(cmd, DID_ABORT);
2209 cmd->result |= SAM_STAT_CHECK_CONDITION;
2210 return 1;
2211 }
2212
2213 /* check appl tag */
2214 if (e_app_tag != a_app_tag) {
2215 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2216 0x10, 0x2);
2217 set_driver_byte(cmd, DRIVER_SENSE);
2218 set_host_byte(cmd, DID_ABORT);
2219 cmd->result |= SAM_STAT_CHECK_CONDITION;
2220 return 1;
2221 }
2222
2223 return 1;
2224 }
2225
2226 static void
2227 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2228 struct req_que *req, uint32_t index)
2229 {
2230 struct qla_hw_data *ha = vha->hw;
2231 srb_t *sp;
2232 uint16_t comp_status;
2233 uint16_t scsi_status;
2234 uint16_t thread_id;
2235 uint32_t rval = EXT_STATUS_OK;
2236 struct bsg_job *bsg_job = NULL;
2237 struct fc_bsg_request *bsg_request;
2238 struct fc_bsg_reply *bsg_reply;
2239 sts_entry_t *sts;
2240 struct sts_entry_24xx *sts24;
2241 sts = (sts_entry_t *) pkt;
2242 sts24 = (struct sts_entry_24xx *) pkt;
2243
2244 /* Validate handle. */
2245 if (index >= req->num_outstanding_cmds) {
2246 ql_log(ql_log_warn, vha, 0x70af,
2247 "Invalid SCSI completion handle 0x%x.\n", index);
2248 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2249 return;
2250 }
2251
2252 sp = req->outstanding_cmds[index];
2253 if (!sp) {
2254 ql_log(ql_log_warn, vha, 0x70b0,
2255 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2256 req->id, index);
2257
2258 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2259 return;
2260 }
2261
2262 /* Free outstanding command slot. */
2263 req->outstanding_cmds[index] = NULL;
2264 bsg_job = sp->u.bsg_job;
2265 bsg_request = bsg_job->request;
2266 bsg_reply = bsg_job->reply;
2267
2268 if (IS_FWI2_CAPABLE(ha)) {
2269 comp_status = le16_to_cpu(sts24->comp_status);
2270 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2271 } else {
2272 comp_status = le16_to_cpu(sts->comp_status);
2273 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2274 }
2275
2276 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2277 switch (comp_status) {
2278 case CS_COMPLETE:
2279 if (scsi_status == 0) {
2280 bsg_reply->reply_payload_rcv_len =
2281 bsg_job->reply_payload.payload_len;
2282 vha->qla_stats.input_bytes +=
2283 bsg_reply->reply_payload_rcv_len;
2284 vha->qla_stats.input_requests++;
2285 rval = EXT_STATUS_OK;
2286 }
2287 goto done;
2288
2289 case CS_DATA_OVERRUN:
2290 ql_dbg(ql_dbg_user, vha, 0x70b1,
2291 "Command completed with data overrun thread_id=%d\n",
2292 thread_id);
2293 rval = EXT_STATUS_DATA_OVERRUN;
2294 break;
2295
2296 case CS_DATA_UNDERRUN:
2297 ql_dbg(ql_dbg_user, vha, 0x70b2,
2298 "Command completed with data underrun thread_id=%d\n",
2299 thread_id);
2300 rval = EXT_STATUS_DATA_UNDERRUN;
2301 break;
2302 case CS_BIDIR_RD_OVERRUN:
2303 ql_dbg(ql_dbg_user, vha, 0x70b3,
2304 "Command completed with read data overrun thread_id=%d\n",
2305 thread_id);
2306 rval = EXT_STATUS_DATA_OVERRUN;
2307 break;
2308
2309 case CS_BIDIR_RD_WR_OVERRUN:
2310 ql_dbg(ql_dbg_user, vha, 0x70b4,
2311 "Command completed with read and write data overrun "
2312 "thread_id=%d\n", thread_id);
2313 rval = EXT_STATUS_DATA_OVERRUN;
2314 break;
2315
2316 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2317 ql_dbg(ql_dbg_user, vha, 0x70b5,
2318 "Command completed with read data over and write data "
2319 "underrun thread_id=%d\n", thread_id);
2320 rval = EXT_STATUS_DATA_OVERRUN;
2321 break;
2322
2323 case CS_BIDIR_RD_UNDERRUN:
2324 ql_dbg(ql_dbg_user, vha, 0x70b6,
2325 "Command completed with read data underrun "
2326 "thread_id=%d\n", thread_id);
2327 rval = EXT_STATUS_DATA_UNDERRUN;
2328 break;
2329
2330 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2331 ql_dbg(ql_dbg_user, vha, 0x70b7,
2332 "Command completed with read data under and write data "
2333 "overrun thread_id=%d\n", thread_id);
2334 rval = EXT_STATUS_DATA_UNDERRUN;
2335 break;
2336
2337 case CS_BIDIR_RD_WR_UNDERRUN:
2338 ql_dbg(ql_dbg_user, vha, 0x70b8,
2339 "Command completed with read and write data underrun "
2340 "thread_id=%d\n", thread_id);
2341 rval = EXT_STATUS_DATA_UNDERRUN;
2342 break;
2343
2344 case CS_BIDIR_DMA:
2345 ql_dbg(ql_dbg_user, vha, 0x70b9,
2346 "Command completed with data DMA error thread_id=%d\n",
2347 thread_id);
2348 rval = EXT_STATUS_DMA_ERR;
2349 break;
2350
2351 case CS_TIMEOUT:
2352 ql_dbg(ql_dbg_user, vha, 0x70ba,
2353 "Command completed with timeout thread_id=%d\n",
2354 thread_id);
2355 rval = EXT_STATUS_TIMEOUT;
2356 break;
2357 default:
2358 ql_dbg(ql_dbg_user, vha, 0x70bb,
2359 "Command completed with completion status=0x%x "
2360 "thread_id=%d\n", comp_status, thread_id);
2361 rval = EXT_STATUS_ERR;
2362 break;
2363 }
2364 bsg_reply->reply_payload_rcv_len = 0;
2365
2366 done:
2367 /* Return the vendor specific reply to API */
2368 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2369 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2370 /* Always return DID_OK, bsg will send the vendor specific response
2371 * in this case only */
2372 sp->done(sp, DID_OK << 16);
2373
2374 }
2375
2376 /**
2377 * qla2x00_status_entry() - Process a Status IOCB entry.
2378 * @vha: SCSI driver HA context
2379 * @rsp: response queue
2380 * @pkt: Entry pointer
2381 */
2382 static void
2383 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2384 {
2385 srb_t *sp;
2386 fc_port_t *fcport;
2387 struct scsi_cmnd *cp;
2388 sts_entry_t *sts;
2389 struct sts_entry_24xx *sts24;
2390 uint16_t comp_status;
2391 uint16_t scsi_status;
2392 uint16_t ox_id;
2393 uint8_t lscsi_status;
2394 int32_t resid;
2395 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2396 fw_resid_len;
2397 uint8_t *rsp_info, *sense_data;
2398 struct qla_hw_data *ha = vha->hw;
2399 uint32_t handle;
2400 uint16_t que;
2401 struct req_que *req;
2402 int logit = 1;
2403 int res = 0;
2404 uint16_t state_flags = 0;
2405 uint16_t retry_delay = 0;
2406
2407 sts = (sts_entry_t *) pkt;
2408 sts24 = (struct sts_entry_24xx *) pkt;
2409 if (IS_FWI2_CAPABLE(ha)) {
2410 comp_status = le16_to_cpu(sts24->comp_status);
2411 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2412 state_flags = le16_to_cpu(sts24->state_flags);
2413 } else {
2414 comp_status = le16_to_cpu(sts->comp_status);
2415 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2416 }
2417 handle = (uint32_t) LSW(sts->handle);
2418 que = MSW(sts->handle);
2419 req = ha->req_q_map[que];
2420
2421 /* Check for invalid queue pointer */
2422 if (req == NULL ||
2423 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2424 ql_dbg(ql_dbg_io, vha, 0x3059,
2425 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2426 "que=%u.\n", sts->handle, req, que);
2427 return;
2428 }
2429
2430 /* Validate handle. */
2431 if (handle < req->num_outstanding_cmds) {
2432 sp = req->outstanding_cmds[handle];
2433 if (!sp) {
2434 ql_dbg(ql_dbg_io, vha, 0x3075,
2435 "%s(%ld): Already returned command for status handle (0x%x).\n",
2436 __func__, vha->host_no, sts->handle);
2437 return;
2438 }
2439 } else {
2440 ql_dbg(ql_dbg_io, vha, 0x3017,
2441 "Invalid status handle, out of range (0x%x).\n",
2442 sts->handle);
2443
2444 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2445 if (IS_P3P_TYPE(ha))
2446 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2447 else
2448 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2449 qla2xxx_wake_dpc(vha);
2450 }
2451 return;
2452 }
2453
2454 if (sp->cmd_type != TYPE_SRB) {
2455 req->outstanding_cmds[handle] = NULL;
2456 ql_dbg(ql_dbg_io, vha, 0x3015,
2457 "Unknown sp->cmd_type %x %p).\n",
2458 sp->cmd_type, sp);
2459 return;
2460 }
2461
2462 /* NVME completion. */
2463 if (sp->type == SRB_NVME_CMD) {
2464 req->outstanding_cmds[handle] = NULL;
2465 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2466 return;
2467 }
2468
2469 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2470 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2471 return;
2472 }
2473
2474 /* Task Management completion. */
2475 if (sp->type == SRB_TM_CMD) {
2476 qla24xx_tm_iocb_entry(vha, req, pkt);
2477 return;
2478 }
2479
2480 /* Fast path completion. */
2481 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2482 qla2x00_process_completed_request(vha, req, handle);
2483
2484 return;
2485 }
2486
2487 req->outstanding_cmds[handle] = NULL;
2488 cp = GET_CMD_SP(sp);
2489 if (cp == NULL) {
2490 ql_dbg(ql_dbg_io, vha, 0x3018,
2491 "Command already returned (0x%x/%p).\n",
2492 sts->handle, sp);
2493
2494 return;
2495 }
2496
2497 lscsi_status = scsi_status & STATUS_MASK;
2498
2499 fcport = sp->fcport;
2500
2501 ox_id = 0;
2502 sense_len = par_sense_len = rsp_info_len = resid_len =
2503 fw_resid_len = 0;
2504 if (IS_FWI2_CAPABLE(ha)) {
2505 if (scsi_status & SS_SENSE_LEN_VALID)
2506 sense_len = le32_to_cpu(sts24->sense_len);
2507 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2508 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2509 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2510 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2511 if (comp_status == CS_DATA_UNDERRUN)
2512 fw_resid_len = le32_to_cpu(sts24->residual_len);
2513 rsp_info = sts24->data;
2514 sense_data = sts24->data;
2515 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2516 ox_id = le16_to_cpu(sts24->ox_id);
2517 par_sense_len = sizeof(sts24->data);
2518 /* Valid values of the retry delay timer are 0x1-0xffef */
2519 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2520 retry_delay = sts24->retry_delay & 0x3fff;
2521 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2522 "%s: scope=%#x retry_delay=%#x\n", __func__,
2523 sts24->retry_delay >> 14, retry_delay);
2524 }
2525 } else {
2526 if (scsi_status & SS_SENSE_LEN_VALID)
2527 sense_len = le16_to_cpu(sts->req_sense_length);
2528 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2529 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2530 resid_len = le32_to_cpu(sts->residual_length);
2531 rsp_info = sts->rsp_info;
2532 sense_data = sts->req_sense_data;
2533 par_sense_len = sizeof(sts->req_sense_data);
2534 }
2535
2536 /* Check for any FCP transport errors. */
2537 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2538 /* Sense data lies beyond any FCP RESPONSE data. */
2539 if (IS_FWI2_CAPABLE(ha)) {
2540 sense_data += rsp_info_len;
2541 par_sense_len -= rsp_info_len;
2542 }
2543 if (rsp_info_len > 3 && rsp_info[3]) {
2544 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2545 "FCP I/O protocol failure (0x%x/0x%x).\n",
2546 rsp_info_len, rsp_info[3]);
2547
2548 res = DID_BUS_BUSY << 16;
2549 goto out;
2550 }
2551 }
2552
2553 /* Check for overrun. */
2554 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2555 scsi_status & SS_RESIDUAL_OVER)
2556 comp_status = CS_DATA_OVERRUN;
2557
2558 /*
2559 * Check retry_delay_timer value if we receive a busy or
2560 * queue full.
2561 */
2562 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2563 lscsi_status == SAM_STAT_BUSY)
2564 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2565
2566 /*
2567 * Based on Host and scsi status generate status code for Linux
2568 */
2569 switch (comp_status) {
2570 case CS_COMPLETE:
2571 case CS_QUEUE_FULL:
2572 if (scsi_status == 0) {
2573 res = DID_OK << 16;
2574 break;
2575 }
2576 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2577 resid = resid_len;
2578 scsi_set_resid(cp, resid);
2579
2580 if (!lscsi_status &&
2581 ((unsigned)(scsi_bufflen(cp) - resid) <
2582 cp->underflow)) {
2583 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2584 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2585 resid, scsi_bufflen(cp));
2586
2587 res = DID_ERROR << 16;
2588 break;
2589 }
2590 }
2591 res = DID_OK << 16 | lscsi_status;
2592
2593 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2594 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2595 "QUEUE FULL detected.\n");
2596 break;
2597 }
2598 logit = 0;
2599 if (lscsi_status != SS_CHECK_CONDITION)
2600 break;
2601
2602 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2603 if (!(scsi_status & SS_SENSE_LEN_VALID))
2604 break;
2605
2606 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2607 rsp, res);
2608 break;
2609
2610 case CS_DATA_UNDERRUN:
2611 /* Use F/W calculated residual length. */
2612 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2613 scsi_set_resid(cp, resid);
2614 if (scsi_status & SS_RESIDUAL_UNDER) {
2615 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2616 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2617 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2618 resid, scsi_bufflen(cp));
2619
2620 res = DID_ERROR << 16 | lscsi_status;
2621 goto check_scsi_status;
2622 }
2623
2624 if (!lscsi_status &&
2625 ((unsigned)(scsi_bufflen(cp) - resid) <
2626 cp->underflow)) {
2627 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2628 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2629 resid, scsi_bufflen(cp));
2630
2631 res = DID_ERROR << 16;
2632 break;
2633 }
2634 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2635 lscsi_status != SAM_STAT_BUSY) {
2636 /*
2637 * scsi status of task set and busy are considered to be
2638 * task not completed.
2639 */
2640
2641 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2642 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2643 resid, scsi_bufflen(cp));
2644
2645 res = DID_ERROR << 16 | lscsi_status;
2646 goto check_scsi_status;
2647 } else {
2648 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2649 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2650 scsi_status, lscsi_status);
2651 }
2652
2653 res = DID_OK << 16 | lscsi_status;
2654 logit = 0;
2655
2656 check_scsi_status:
2657 /*
2658 * Check to see if SCSI Status is non zero. If so report SCSI
2659 * Status.
2660 */
2661 if (lscsi_status != 0) {
2662 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2663 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2664 "QUEUE FULL detected.\n");
2665 logit = 1;
2666 break;
2667 }
2668 if (lscsi_status != SS_CHECK_CONDITION)
2669 break;
2670
2671 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2672 if (!(scsi_status & SS_SENSE_LEN_VALID))
2673 break;
2674
2675 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2676 sense_len, rsp, res);
2677 }
2678 break;
2679
2680 case CS_PORT_LOGGED_OUT:
2681 case CS_PORT_CONFIG_CHG:
2682 case CS_PORT_BUSY:
2683 case CS_INCOMPLETE:
2684 case CS_PORT_UNAVAILABLE:
2685 case CS_TIMEOUT:
2686 case CS_RESET:
2687
2688 /*
2689 * We are going to have the fc class block the rport
2690 * while we try to recover so instruct the mid layer
2691 * to requeue until the class decides how to handle this.
2692 */
2693 res = DID_TRANSPORT_DISRUPTED << 16;
2694
2695 if (comp_status == CS_TIMEOUT) {
2696 if (IS_FWI2_CAPABLE(ha))
2697 break;
2698 else if ((le16_to_cpu(sts->status_flags) &
2699 SF_LOGOUT_SENT) == 0)
2700 break;
2701 }
2702
2703 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2704 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2705 "Port to be marked lost on fcport=%02x%02x%02x, current "
2706 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2707 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2708 port_state_str[atomic_read(&fcport->state)],
2709 comp_status);
2710
2711 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2712 qlt_schedule_sess_for_deletion(fcport);
2713 }
2714
2715 break;
2716
2717 case CS_ABORTED:
2718 res = DID_RESET << 16;
2719 break;
2720
2721 case CS_DIF_ERROR:
2722 logit = qla2x00_handle_dif_error(sp, sts24);
2723 res = cp->result;
2724 break;
2725
2726 case CS_TRANSPORT:
2727 res = DID_ERROR << 16;
2728
2729 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2730 break;
2731
2732 if (state_flags & BIT_4)
2733 scmd_printk(KERN_WARNING, cp,
2734 "Unsupported device '%s' found.\n",
2735 cp->device->vendor);
2736 break;
2737
2738 case CS_DMA:
2739 ql_log(ql_log_info, fcport->vha, 0x3022,
2740 "CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2741 comp_status, scsi_status, res, vha->host_no,
2742 cp->device->id, cp->device->lun, fcport->d_id.b24,
2743 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2744 resid_len, fw_resid_len, sp, cp);
2745 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
2746 pkt, sizeof(*sts24));
2747 res = DID_ERROR << 16;
2748 break;
2749 default:
2750 res = DID_ERROR << 16;
2751 break;
2752 }
2753
2754 out:
2755 if (logit)
2756 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2757 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2758 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2759 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2760 comp_status, scsi_status, res, vha->host_no,
2761 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2762 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2763 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2764 resid_len, fw_resid_len, sp, cp);
2765
2766 if (rsp->status_srb == NULL)
2767 sp->done(sp, res);
2768 }
2769
2770 /**
2771 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2772 * @rsp: response queue
2773 * @pkt: Entry pointer
2774 *
2775 * Extended sense data.
2776 */
2777 static void
2778 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2779 {
2780 uint8_t sense_sz = 0;
2781 struct qla_hw_data *ha = rsp->hw;
2782 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2783 srb_t *sp = rsp->status_srb;
2784 struct scsi_cmnd *cp;
2785 uint32_t sense_len;
2786 uint8_t *sense_ptr;
2787
2788 if (!sp || !GET_CMD_SENSE_LEN(sp))
2789 return;
2790
2791 sense_len = GET_CMD_SENSE_LEN(sp);
2792 sense_ptr = GET_CMD_SENSE_PTR(sp);
2793
2794 cp = GET_CMD_SP(sp);
2795 if (cp == NULL) {
2796 ql_log(ql_log_warn, vha, 0x3025,
2797 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2798
2799 rsp->status_srb = NULL;
2800 return;
2801 }
2802
2803 if (sense_len > sizeof(pkt->data))
2804 sense_sz = sizeof(pkt->data);
2805 else
2806 sense_sz = sense_len;
2807
2808 /* Move sense data. */
2809 if (IS_FWI2_CAPABLE(ha))
2810 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2811 memcpy(sense_ptr, pkt->data, sense_sz);
2812 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2813 sense_ptr, sense_sz);
2814
2815 sense_len -= sense_sz;
2816 sense_ptr += sense_sz;
2817
2818 SET_CMD_SENSE_PTR(sp, sense_ptr);
2819 SET_CMD_SENSE_LEN(sp, sense_len);
2820
2821 /* Place command on done queue. */
2822 if (sense_len == 0) {
2823 rsp->status_srb = NULL;
2824 sp->done(sp, cp->result);
2825 }
2826 }
2827
2828 /**
2829 * qla2x00_error_entry() - Process an error entry.
2830 * @vha: SCSI driver HA context
2831 * @rsp: response queue
2832 * @pkt: Entry pointer
2833 * return : 1=allow further error analysis. 0=no additional error analysis.
2834 */
2835 static int
2836 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2837 {
2838 srb_t *sp;
2839 struct qla_hw_data *ha = vha->hw;
2840 const char func[] = "ERROR-IOCB";
2841 uint16_t que = MSW(pkt->handle);
2842 struct req_que *req = NULL;
2843 int res = DID_ERROR << 16;
2844
2845 ql_dbg(ql_dbg_async, vha, 0x502a,
2846 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2847 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2848
2849 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2850 goto fatal;
2851
2852 req = ha->req_q_map[que];
2853
2854 if (pkt->entry_status & RF_BUSY)
2855 res = DID_BUS_BUSY << 16;
2856
2857 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2858 return 0;
2859
2860 switch (pkt->entry_type) {
2861 case NOTIFY_ACK_TYPE:
2862 case STATUS_TYPE:
2863 case STATUS_CONT_TYPE:
2864 case LOGINOUT_PORT_IOCB_TYPE:
2865 case CT_IOCB_TYPE:
2866 case ELS_IOCB_TYPE:
2867 case ABORT_IOCB_TYPE:
2868 case MBX_IOCB_TYPE:
2869 default:
2870 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2871 if (sp) {
2872 sp->done(sp, res);
2873 return 0;
2874 }
2875 break;
2876
2877 case ABTS_RESP_24XX:
2878 case CTIO_TYPE7:
2879 case CTIO_CRC2:
2880 return 1;
2881 }
2882 fatal:
2883 ql_log(ql_log_warn, vha, 0x5030,
2884 "Error entry - invalid handle/queue (%04x).\n", que);
2885 return 0;
2886 }
2887
2888 /**
2889 * qla24xx_mbx_completion() - Process mailbox command completions.
2890 * @vha: SCSI driver HA context
2891 * @mb0: Mailbox0 register
2892 */
2893 static void
2894 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2895 {
2896 uint16_t cnt;
2897 uint32_t mboxes;
2898 uint16_t __iomem *wptr;
2899 struct qla_hw_data *ha = vha->hw;
2900 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2901
2902 /* Read all mbox registers? */
2903 WARN_ON_ONCE(ha->mbx_count > 32);
2904 mboxes = (1ULL << ha->mbx_count) - 1;
2905 if (!ha->mcp)
2906 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2907 else
2908 mboxes = ha->mcp->in_mb;
2909
2910 /* Load return mailbox registers. */
2911 ha->flags.mbox_int = 1;
2912 ha->mailbox_out[0] = mb0;
2913 mboxes >>= 1;
2914 wptr = (uint16_t __iomem *)&reg->mailbox1;
2915
2916 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2917 if (mboxes & BIT_0)
2918 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2919
2920 mboxes >>= 1;
2921 wptr++;
2922 }
2923 }
2924
2925 static void
2926 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2927 struct abort_entry_24xx *pkt)
2928 {
2929 const char func[] = "ABT_IOCB";
2930 srb_t *sp;
2931 struct srb_iocb *abt;
2932
2933 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2934 if (!sp)
2935 return;
2936
2937 abt = &sp->u.iocb_cmd;
2938 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2939 sp->done(sp, 0);
2940 }
2941
2942 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2943 struct pt_ls4_request *pkt, struct req_que *req)
2944 {
2945 srb_t *sp;
2946 const char func[] = "LS4_IOCB";
2947 uint16_t comp_status;
2948
2949 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2950 if (!sp)
2951 return;
2952
2953 comp_status = le16_to_cpu(pkt->status);
2954 sp->done(sp, comp_status);
2955 }
2956
2957 /**
2958 * qla24xx_process_response_queue() - Process response queue entries.
2959 * @vha: SCSI driver HA context
2960 * @rsp: response queue
2961 */
2962 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2963 struct rsp_que *rsp)
2964 {
2965 struct sts_entry_24xx *pkt;
2966 struct qla_hw_data *ha = vha->hw;
2967
2968 if (!ha->flags.fw_started)
2969 return;
2970
2971 if (rsp->qpair->cpuid != smp_processor_id())
2972 qla_cpu_update(rsp->qpair, smp_processor_id());
2973
2974 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2975 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2976
2977 rsp->ring_index++;
2978 if (rsp->ring_index == rsp->length) {
2979 rsp->ring_index = 0;
2980 rsp->ring_ptr = rsp->ring;
2981 } else {
2982 rsp->ring_ptr++;
2983 }
2984
2985 if (pkt->entry_status != 0) {
2986 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2987 goto process_err;
2988
2989 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2990 wmb();
2991 continue;
2992 }
2993 process_err:
2994
2995 switch (pkt->entry_type) {
2996 case STATUS_TYPE:
2997 qla2x00_status_entry(vha, rsp, pkt);
2998 break;
2999 case STATUS_CONT_TYPE:
3000 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3001 break;
3002 case VP_RPT_ID_IOCB_TYPE:
3003 qla24xx_report_id_acquisition(vha,
3004 (struct vp_rpt_id_entry_24xx *)pkt);
3005 break;
3006 case LOGINOUT_PORT_IOCB_TYPE:
3007 qla24xx_logio_entry(vha, rsp->req,
3008 (struct logio_entry_24xx *)pkt);
3009 break;
3010 case CT_IOCB_TYPE:
3011 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3012 break;
3013 case ELS_IOCB_TYPE:
3014 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3015 break;
3016 case ABTS_RECV_24XX:
3017 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3018 /* ensure that the ATIO queue is empty */
3019 qlt_handle_abts_recv(vha, rsp,
3020 (response_t *)pkt);
3021 break;
3022 } else {
3023 qlt_24xx_process_atio_queue(vha, 1);
3024 }
3025 /* fall through */
3026 case ABTS_RESP_24XX:
3027 case CTIO_TYPE7:
3028 case CTIO_CRC2:
3029 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3030 break;
3031 case PT_LS4_REQUEST:
3032 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3033 rsp->req);
3034 break;
3035 case NOTIFY_ACK_TYPE:
3036 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3037 qlt_response_pkt_all_vps(vha, rsp,
3038 (response_t *)pkt);
3039 else
3040 qla24xxx_nack_iocb_entry(vha, rsp->req,
3041 (struct nack_to_isp *)pkt);
3042 break;
3043 case MARKER_TYPE:
3044 /* Do nothing in this case, this check is to prevent it
3045 * from falling into default case
3046 */
3047 break;
3048 case ABORT_IOCB_TYPE:
3049 qla24xx_abort_iocb_entry(vha, rsp->req,
3050 (struct abort_entry_24xx *)pkt);
3051 break;
3052 case MBX_IOCB_TYPE:
3053 qla24xx_mbx_iocb_entry(vha, rsp->req,
3054 (struct mbx_24xx_entry *)pkt);
3055 break;
3056 case VP_CTRL_IOCB_TYPE:
3057 qla_ctrlvp_completed(vha, rsp->req,
3058 (struct vp_ctrl_entry_24xx *)pkt);
3059 break;
3060 default:
3061 /* Type Not Supported. */
3062 ql_dbg(ql_dbg_async, vha, 0x5042,
3063 "Received unknown response pkt type %x "
3064 "entry status=%x.\n",
3065 pkt->entry_type, pkt->entry_status);
3066 break;
3067 }
3068 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3069 wmb();
3070 }
3071
3072 /* Adjust ring index */
3073 if (IS_P3P_TYPE(ha)) {
3074 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3075 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
3076 } else {
3077 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3078 }
3079 }
3080
3081 static void
3082 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3083 {
3084 int rval;
3085 uint32_t cnt;
3086 struct qla_hw_data *ha = vha->hw;
3087 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3088
3089 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3090 !IS_QLA27XX(ha))
3091 return;
3092
3093 rval = QLA_SUCCESS;
3094 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
3095 RD_REG_DWORD(&reg->iobase_addr);
3096 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3097 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3098 rval == QLA_SUCCESS; cnt--) {
3099 if (cnt) {
3100 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3101 udelay(10);
3102 } else
3103 rval = QLA_FUNCTION_TIMEOUT;
3104 }
3105 if (rval == QLA_SUCCESS)
3106 goto next_test;
3107
3108 rval = QLA_SUCCESS;
3109 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3110 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3111 rval == QLA_SUCCESS; cnt--) {
3112 if (cnt) {
3113 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3114 udelay(10);
3115 } else
3116 rval = QLA_FUNCTION_TIMEOUT;
3117 }
3118 if (rval != QLA_SUCCESS)
3119 goto done;
3120
3121 next_test:
3122 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
3123 ql_log(ql_log_info, vha, 0x504c,
3124 "Additional code -- 0x55AA.\n");
3125
3126 done:
3127 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3128 RD_REG_DWORD(&reg->iobase_window);
3129 }
3130
3131 /**
3132 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3133 * @irq: interrupt number
3134 * @dev_id: SCSI driver HA context
3135 *
3136 * Called by system whenever the host adapter generates an interrupt.
3137 *
3138 * Returns handled flag.
3139 */
3140 irqreturn_t
3141 qla24xx_intr_handler(int irq, void *dev_id)
3142 {
3143 scsi_qla_host_t *vha;
3144 struct qla_hw_data *ha;
3145 struct device_reg_24xx __iomem *reg;
3146 int status;
3147 unsigned long iter;
3148 uint32_t stat;
3149 uint32_t hccr;
3150 uint16_t mb[8];
3151 struct rsp_que *rsp;
3152 unsigned long flags;
3153 bool process_atio = false;
3154
3155 rsp = (struct rsp_que *) dev_id;
3156 if (!rsp) {
3157 ql_log(ql_log_info, NULL, 0x5059,
3158 "%s: NULL response queue pointer.\n", __func__);
3159 return IRQ_NONE;
3160 }
3161
3162 ha = rsp->hw;
3163 reg = &ha->iobase->isp24;
3164 status = 0;
3165
3166 if (unlikely(pci_channel_offline(ha->pdev)))
3167 return IRQ_HANDLED;
3168
3169 spin_lock_irqsave(&ha->hardware_lock, flags);
3170 vha = pci_get_drvdata(ha->pdev);
3171 for (iter = 50; iter--; ) {
3172 stat = RD_REG_DWORD(&reg->host_status);
3173 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3174 break;
3175 if (stat & HSRX_RISC_PAUSED) {
3176 if (unlikely(pci_channel_offline(ha->pdev)))
3177 break;
3178
3179 hccr = RD_REG_DWORD(&reg->hccr);
3180
3181 ql_log(ql_log_warn, vha, 0x504b,
3182 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3183 hccr);
3184
3185 qla2xxx_check_risc_status(vha);
3186
3187 ha->isp_ops->fw_dump(vha, 1);
3188 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3189 break;
3190 } else if ((stat & HSRX_RISC_INT) == 0)
3191 break;
3192
3193 switch (stat & 0xff) {
3194 case INTR_ROM_MB_SUCCESS:
3195 case INTR_ROM_MB_FAILED:
3196 case INTR_MB_SUCCESS:
3197 case INTR_MB_FAILED:
3198 qla24xx_mbx_completion(vha, MSW(stat));
3199 status |= MBX_INTERRUPT;
3200
3201 break;
3202 case INTR_ASYNC_EVENT:
3203 mb[0] = MSW(stat);
3204 mb[1] = RD_REG_WORD(&reg->mailbox1);
3205 mb[2] = RD_REG_WORD(&reg->mailbox2);
3206 mb[3] = RD_REG_WORD(&reg->mailbox3);
3207 qla2x00_async_event(vha, rsp, mb);
3208 break;
3209 case INTR_RSP_QUE_UPDATE:
3210 case INTR_RSP_QUE_UPDATE_83XX:
3211 qla24xx_process_response_queue(vha, rsp);
3212 break;
3213 case INTR_ATIO_QUE_UPDATE_27XX:
3214 case INTR_ATIO_QUE_UPDATE:
3215 process_atio = true;
3216 break;
3217 case INTR_ATIO_RSP_QUE_UPDATE:
3218 process_atio = true;
3219 qla24xx_process_response_queue(vha, rsp);
3220 break;
3221 default:
3222 ql_dbg(ql_dbg_async, vha, 0x504f,
3223 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3224 break;
3225 }
3226 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3227 RD_REG_DWORD_RELAXED(&reg->hccr);
3228 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3229 ndelay(3500);
3230 }
3231 qla2x00_handle_mbx_completion(ha, status);
3232 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3233
3234 if (process_atio) {
3235 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3236 qlt_24xx_process_atio_queue(vha, 0);
3237 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3238 }
3239
3240 return IRQ_HANDLED;
3241 }
3242
3243 static irqreturn_t
3244 qla24xx_msix_rsp_q(int irq, void *dev_id)
3245 {
3246 struct qla_hw_data *ha;
3247 struct rsp_que *rsp;
3248 struct device_reg_24xx __iomem *reg;
3249 struct scsi_qla_host *vha;
3250 unsigned long flags;
3251
3252 rsp = (struct rsp_que *) dev_id;
3253 if (!rsp) {
3254 ql_log(ql_log_info, NULL, 0x505a,
3255 "%s: NULL response queue pointer.\n", __func__);
3256 return IRQ_NONE;
3257 }
3258 ha = rsp->hw;
3259 reg = &ha->iobase->isp24;
3260
3261 spin_lock_irqsave(&ha->hardware_lock, flags);
3262
3263 vha = pci_get_drvdata(ha->pdev);
3264 qla24xx_process_response_queue(vha, rsp);
3265 if (!ha->flags.disable_msix_handshake) {
3266 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3267 RD_REG_DWORD_RELAXED(&reg->hccr);
3268 }
3269 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3270
3271 return IRQ_HANDLED;
3272 }
3273
3274 static irqreturn_t
3275 qla24xx_msix_default(int irq, void *dev_id)
3276 {
3277 scsi_qla_host_t *vha;
3278 struct qla_hw_data *ha;
3279 struct rsp_que *rsp;
3280 struct device_reg_24xx __iomem *reg;
3281 int status;
3282 uint32_t stat;
3283 uint32_t hccr;
3284 uint16_t mb[8];
3285 unsigned long flags;
3286 bool process_atio = false;
3287
3288 rsp = (struct rsp_que *) dev_id;
3289 if (!rsp) {
3290 ql_log(ql_log_info, NULL, 0x505c,
3291 "%s: NULL response queue pointer.\n", __func__);
3292 return IRQ_NONE;
3293 }
3294 ha = rsp->hw;
3295 reg = &ha->iobase->isp24;
3296 status = 0;
3297
3298 spin_lock_irqsave(&ha->hardware_lock, flags);
3299 vha = pci_get_drvdata(ha->pdev);
3300 do {
3301 stat = RD_REG_DWORD(&reg->host_status);
3302 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3303 break;
3304 if (stat & HSRX_RISC_PAUSED) {
3305 if (unlikely(pci_channel_offline(ha->pdev)))
3306 break;
3307
3308 hccr = RD_REG_DWORD(&reg->hccr);
3309
3310 ql_log(ql_log_info, vha, 0x5050,
3311 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3312 hccr);
3313
3314 qla2xxx_check_risc_status(vha);
3315
3316 ha->isp_ops->fw_dump(vha, 1);
3317 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3318 break;
3319 } else if ((stat & HSRX_RISC_INT) == 0)
3320 break;
3321
3322 switch (stat & 0xff) {
3323 case INTR_ROM_MB_SUCCESS:
3324 case INTR_ROM_MB_FAILED:
3325 case INTR_MB_SUCCESS:
3326 case INTR_MB_FAILED:
3327 qla24xx_mbx_completion(vha, MSW(stat));
3328 status |= MBX_INTERRUPT;
3329
3330 break;
3331 case INTR_ASYNC_EVENT:
3332 mb[0] = MSW(stat);
3333 mb[1] = RD_REG_WORD(&reg->mailbox1);
3334 mb[2] = RD_REG_WORD(&reg->mailbox2);
3335 mb[3] = RD_REG_WORD(&reg->mailbox3);
3336 qla2x00_async_event(vha, rsp, mb);
3337 break;
3338 case INTR_RSP_QUE_UPDATE:
3339 case INTR_RSP_QUE_UPDATE_83XX:
3340 qla24xx_process_response_queue(vha, rsp);
3341 break;
3342 case INTR_ATIO_QUE_UPDATE_27XX:
3343 case INTR_ATIO_QUE_UPDATE:
3344 process_atio = true;
3345 break;
3346 case INTR_ATIO_RSP_QUE_UPDATE:
3347 process_atio = true;
3348 qla24xx_process_response_queue(vha, rsp);
3349 break;
3350 default:
3351 ql_dbg(ql_dbg_async, vha, 0x5051,
3352 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3353 break;
3354 }
3355 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3356 } while (0);
3357 qla2x00_handle_mbx_completion(ha, status);
3358 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3359
3360 if (process_atio) {
3361 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3362 qlt_24xx_process_atio_queue(vha, 0);
3363 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3364 }
3365
3366 return IRQ_HANDLED;
3367 }
3368
3369 irqreturn_t
3370 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3371 {
3372 struct qla_hw_data *ha;
3373 struct qla_qpair *qpair;
3374 struct device_reg_24xx __iomem *reg;
3375 unsigned long flags;
3376
3377 qpair = dev_id;
3378 if (!qpair) {
3379 ql_log(ql_log_info, NULL, 0x505b,
3380 "%s: NULL response queue pointer.\n", __func__);
3381 return IRQ_NONE;
3382 }
3383 ha = qpair->hw;
3384
3385 /* Clear the interrupt, if enabled, for this response queue */
3386 if (unlikely(!ha->flags.disable_msix_handshake)) {
3387 reg = &ha->iobase->isp24;
3388 spin_lock_irqsave(&ha->hardware_lock, flags);
3389 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3390 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3391 }
3392
3393 queue_work(ha->wq, &qpair->q_work);
3394
3395 return IRQ_HANDLED;
3396 }
3397
3398 /* Interrupt handling helpers. */
3399
3400 struct qla_init_msix_entry {
3401 const char *name;
3402 irq_handler_t handler;
3403 };
3404
3405 static const struct qla_init_msix_entry msix_entries[] = {
3406 { "default", qla24xx_msix_default },
3407 { "rsp_q", qla24xx_msix_rsp_q },
3408 { "atio_q", qla83xx_msix_atio_q },
3409 { "qpair_multiq", qla2xxx_msix_rsp_q },
3410 };
3411
3412 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3413 { "qla2xxx (default)", qla82xx_msix_default },
3414 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3415 };
3416
3417 static int
3418 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3419 {
3420 int i, ret;
3421 struct qla_msix_entry *qentry;
3422 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3423 int min_vecs = QLA_BASE_VECTORS;
3424 struct irq_affinity desc = {
3425 .pre_vectors = QLA_BASE_VECTORS,
3426 };
3427
3428 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3429 IS_ATIO_MSIX_CAPABLE(ha)) {
3430 desc.pre_vectors++;
3431 min_vecs++;
3432 }
3433
3434 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
3435 /* user wants to control IRQ setting for target mode */
3436 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3437 ha->msix_count, PCI_IRQ_MSIX);
3438 } else
3439 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3440 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3441 &desc);
3442
3443 if (ret < 0) {
3444 ql_log(ql_log_fatal, vha, 0x00c7,
3445 "MSI-X: Failed to enable support, "
3446 "giving up -- %d/%d.\n",
3447 ha->msix_count, ret);
3448 goto msix_out;
3449 } else if (ret < ha->msix_count) {
3450 ql_log(ql_log_warn, vha, 0x00c6,
3451 "MSI-X: Failed to enable support "
3452 "with %d vectors, using %d vectors.\n",
3453 ha->msix_count, ret);
3454 ha->msix_count = ret;
3455 /* Recalculate queue values */
3456 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3457 ha->max_req_queues = ha->msix_count - 1;
3458
3459 /* ATIOQ needs 1 vector. That's 1 less QPair */
3460 if (QLA_TGT_MODE_ENABLED())
3461 ha->max_req_queues--;
3462
3463 ha->max_rsp_queues = ha->max_req_queues;
3464
3465 ha->max_qpairs = ha->max_req_queues - 1;
3466 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3467 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3468 }
3469 }
3470 vha->irq_offset = desc.pre_vectors;
3471 ha->msix_entries = kcalloc(ha->msix_count,
3472 sizeof(struct qla_msix_entry),
3473 GFP_KERNEL);
3474 if (!ha->msix_entries) {
3475 ql_log(ql_log_fatal, vha, 0x00c8,
3476 "Failed to allocate memory for ha->msix_entries.\n");
3477 ret = -ENOMEM;
3478 goto msix_out;
3479 }
3480 ha->flags.msix_enabled = 1;
3481
3482 for (i = 0; i < ha->msix_count; i++) {
3483 qentry = &ha->msix_entries[i];
3484 qentry->vector = pci_irq_vector(ha->pdev, i);
3485 qentry->entry = i;
3486 qentry->have_irq = 0;
3487 qentry->in_use = 0;
3488 qentry->handle = NULL;
3489 }
3490
3491 /* Enable MSI-X vectors for the base queue */
3492 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3493 qentry = &ha->msix_entries[i];
3494 qentry->handle = rsp;
3495 rsp->msix = qentry;
3496 scnprintf(qentry->name, sizeof(qentry->name),
3497 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3498 if (IS_P3P_TYPE(ha))
3499 ret = request_irq(qentry->vector,
3500 qla82xx_msix_entries[i].handler,
3501 0, qla82xx_msix_entries[i].name, rsp);
3502 else
3503 ret = request_irq(qentry->vector,
3504 msix_entries[i].handler,
3505 0, qentry->name, rsp);
3506 if (ret)
3507 goto msix_register_fail;
3508 qentry->have_irq = 1;
3509 qentry->in_use = 1;
3510 }
3511
3512 /*
3513 * If target mode is enable, also request the vector for the ATIO
3514 * queue.
3515 */
3516 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3517 IS_ATIO_MSIX_CAPABLE(ha)) {
3518 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3519 rsp->msix = qentry;
3520 qentry->handle = rsp;
3521 scnprintf(qentry->name, sizeof(qentry->name),
3522 "qla2xxx%lu_%s", vha->host_no,
3523 msix_entries[QLA_ATIO_VECTOR].name);
3524 qentry->in_use = 1;
3525 ret = request_irq(qentry->vector,
3526 msix_entries[QLA_ATIO_VECTOR].handler,
3527 0, qentry->name, rsp);
3528 qentry->have_irq = 1;
3529 }
3530
3531 msix_register_fail:
3532 if (ret) {
3533 ql_log(ql_log_fatal, vha, 0x00cb,
3534 "MSI-X: unable to register handler -- %x/%d.\n",
3535 qentry->vector, ret);
3536 qla2x00_free_irqs(vha);
3537 ha->mqenable = 0;
3538 goto msix_out;
3539 }
3540
3541 /* Enable MSI-X vector for response queue update for queue 0 */
3542 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3543 if (ha->msixbase && ha->mqiobase &&
3544 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3545 ql2xmqsupport))
3546 ha->mqenable = 1;
3547 } else
3548 if (ha->mqiobase &&
3549 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3550 ql2xmqsupport))
3551 ha->mqenable = 1;
3552 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3553 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3554 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3555 ql_dbg(ql_dbg_init, vha, 0x0055,
3556 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3557 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3558
3559 msix_out:
3560 return ret;
3561 }
3562
3563 int
3564 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3565 {
3566 int ret = QLA_FUNCTION_FAILED;
3567 device_reg_t *reg = ha->iobase;
3568 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3569
3570 /* If possible, enable MSI-X. */
3571 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3572 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3573 !IS_QLAFX00(ha) && !IS_QLA27XX(ha)))
3574 goto skip_msi;
3575
3576 if (ql2xenablemsix == 2)
3577 goto skip_msix;
3578
3579 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3580 (ha->pdev->subsystem_device == 0x7040 ||
3581 ha->pdev->subsystem_device == 0x7041 ||
3582 ha->pdev->subsystem_device == 0x1705)) {
3583 ql_log(ql_log_warn, vha, 0x0034,
3584 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3585 ha->pdev->subsystem_vendor,
3586 ha->pdev->subsystem_device);
3587 goto skip_msi;
3588 }
3589
3590 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3591 ql_log(ql_log_warn, vha, 0x0035,
3592 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3593 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3594 goto skip_msix;
3595 }
3596
3597 ret = qla24xx_enable_msix(ha, rsp);
3598 if (!ret) {
3599 ql_dbg(ql_dbg_init, vha, 0x0036,
3600 "MSI-X: Enabled (0x%X, 0x%X).\n",
3601 ha->chip_revision, ha->fw_attributes);
3602 goto clear_risc_ints;
3603 }
3604
3605 skip_msix:
3606
3607 ql_log(ql_log_info, vha, 0x0037,
3608 "Falling back-to MSI mode -%d.\n", ret);
3609
3610 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3611 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3612 !IS_QLA27XX(ha))
3613 goto skip_msi;
3614
3615 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3616 if (!ret) {
3617 ql_dbg(ql_dbg_init, vha, 0x0038,
3618 "MSI: Enabled.\n");
3619 ha->flags.msi_enabled = 1;
3620 } else
3621 ql_log(ql_log_warn, vha, 0x0039,
3622 "Falling back-to INTa mode -- %d.\n", ret);
3623 skip_msi:
3624
3625 /* Skip INTx on ISP82xx. */
3626 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3627 return QLA_FUNCTION_FAILED;
3628
3629 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3630 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3631 QLA2XXX_DRIVER_NAME, rsp);
3632 if (ret) {
3633 ql_log(ql_log_warn, vha, 0x003a,
3634 "Failed to reserve interrupt %d already in use.\n",
3635 ha->pdev->irq);
3636 goto fail;
3637 } else if (!ha->flags.msi_enabled) {
3638 ql_dbg(ql_dbg_init, vha, 0x0125,
3639 "INTa mode: Enabled.\n");
3640 ha->flags.mr_intr_valid = 1;
3641 }
3642
3643 clear_risc_ints:
3644 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3645 goto fail;
3646
3647 spin_lock_irq(&ha->hardware_lock);
3648 WRT_REG_WORD(&reg->isp.semaphore, 0);
3649 spin_unlock_irq(&ha->hardware_lock);
3650
3651 fail:
3652 return ret;
3653 }
3654
3655 void
3656 qla2x00_free_irqs(scsi_qla_host_t *vha)
3657 {
3658 struct qla_hw_data *ha = vha->hw;
3659 struct rsp_que *rsp;
3660 struct qla_msix_entry *qentry;
3661 int i;
3662
3663 /*
3664 * We need to check that ha->rsp_q_map is valid in case we are called
3665 * from a probe failure context.
3666 */
3667 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3668 goto free_irqs;
3669 rsp = ha->rsp_q_map[0];
3670
3671 if (ha->flags.msix_enabled) {
3672 for (i = 0; i < ha->msix_count; i++) {
3673 qentry = &ha->msix_entries[i];
3674 if (qentry->have_irq) {
3675 irq_set_affinity_notifier(qentry->vector, NULL);
3676 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3677 }
3678 }
3679 kfree(ha->msix_entries);
3680 ha->msix_entries = NULL;
3681 ha->flags.msix_enabled = 0;
3682 ql_dbg(ql_dbg_init, vha, 0x0042,
3683 "Disabled MSI-X.\n");
3684 } else {
3685 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3686 }
3687
3688 free_irqs:
3689 pci_free_irq_vectors(ha->pdev);
3690 }
3691
3692 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3693 struct qla_msix_entry *msix, int vector_type)
3694 {
3695 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3696 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3697 int ret;
3698
3699 scnprintf(msix->name, sizeof(msix->name),
3700 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3701 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3702 if (ret) {
3703 ql_log(ql_log_fatal, vha, 0x00e6,
3704 "MSI-X: Unable to register handler -- %x/%d.\n",
3705 msix->vector, ret);
3706 return ret;
3707 }
3708 msix->have_irq = 1;
3709 msix->handle = qpair;
3710 return ret;
3711 }
Linux with added FPC-III support