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Merge tag 'ceph-for-4.13-rc8' of git://github.com/ceph/ceph-client
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_isr.c
blob7b3b702ef6222cab385bb90d346f9eae679b1a95
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
18 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
19 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
20 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
21 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
22 sts_entry_t *);
23
24 /**
25 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
26 * @irq:
27 * @dev_id: SCSI driver HA context
28 *
29 * Called by system whenever the host adapter generates an interrupt.
30 *
31 * Returns handled flag.
32 */
33 irqreturn_t
34 qla2100_intr_handler(int irq, void *dev_id)
35 {
36 scsi_qla_host_t *vha;
37 struct qla_hw_data *ha;
38 struct device_reg_2xxx __iomem *reg;
39 int status;
40 unsigned long iter;
41 uint16_t hccr;
42 uint16_t mb[4];
43 struct rsp_que *rsp;
44 unsigned long flags;
45
46 rsp = (struct rsp_que *) dev_id;
47 if (!rsp) {
48 ql_log(ql_log_info, NULL, 0x505d,
49 "%s: NULL response queue pointer.\n", __func__);
50 return (IRQ_NONE);
51 }
52
53 ha = rsp->hw;
54 reg = &ha->iobase->isp;
55 status = 0;
56
57 spin_lock_irqsave(&ha->hardware_lock, flags);
58 vha = pci_get_drvdata(ha->pdev);
59 for (iter = 50; iter--; ) {
60 hccr = RD_REG_WORD(&reg->hccr);
61 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
62 break;
63 if (hccr & HCCR_RISC_PAUSE) {
64 if (pci_channel_offline(ha->pdev))
65 break;
66
67 /*
68 * Issue a "HARD" reset in order for the RISC interrupt
69 * bit to be cleared. Schedule a big hammer to get
70 * out of the RISC PAUSED state.
71 */
72 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
73 RD_REG_WORD(&reg->hccr);
74
75 ha->isp_ops->fw_dump(vha, 1);
76 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
77 break;
78 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
79 break;
80
81 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
82 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
83 RD_REG_WORD(&reg->hccr);
84
85 /* Get mailbox data. */
86 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
87 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
88 qla2x00_mbx_completion(vha, mb[0]);
89 status |= MBX_INTERRUPT;
90 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
91 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
92 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
93 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
94 qla2x00_async_event(vha, rsp, mb);
95 } else {
96 /*EMPTY*/
97 ql_dbg(ql_dbg_async, vha, 0x5025,
98 "Unrecognized interrupt type (%d).\n",
99 mb[0]);
100 }
101 /* Release mailbox registers. */
102 WRT_REG_WORD(&reg->semaphore, 0);
103 RD_REG_WORD(&reg->semaphore);
104 } else {
105 qla2x00_process_response_queue(rsp);
106
107 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
108 RD_REG_WORD(&reg->hccr);
109 }
110 }
111 qla2x00_handle_mbx_completion(ha, status);
112 spin_unlock_irqrestore(&ha->hardware_lock, flags);
113
114 return (IRQ_HANDLED);
115 }
116
117 bool
118 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
119 {
120 /* Check for PCI disconnection */
121 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
122 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
124 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
125 /*
126 * Schedule this (only once) on the default system
127 * workqueue so that all the adapter workqueues and the
128 * DPC thread can be shutdown cleanly.
129 */
130 schedule_work(&vha->hw->board_disable);
131 }
132 return true;
133 } else
134 return false;
135 }
136
137 bool
138 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
139 {
140 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
141 }
142
143 /**
144 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
145 * @irq:
146 * @dev_id: SCSI driver HA context
147 *
148 * Called by system whenever the host adapter generates an interrupt.
149 *
150 * Returns handled flag.
151 */
152 irqreturn_t
153 qla2300_intr_handler(int irq, void *dev_id)
154 {
155 scsi_qla_host_t *vha;
156 struct device_reg_2xxx __iomem *reg;
157 int status;
158 unsigned long iter;
159 uint32_t stat;
160 uint16_t hccr;
161 uint16_t mb[4];
162 struct rsp_que *rsp;
163 struct qla_hw_data *ha;
164 unsigned long flags;
165
166 rsp = (struct rsp_que *) dev_id;
167 if (!rsp) {
168 ql_log(ql_log_info, NULL, 0x5058,
169 "%s: NULL response queue pointer.\n", __func__);
170 return (IRQ_NONE);
171 }
172
173 ha = rsp->hw;
174 reg = &ha->iobase->isp;
175 status = 0;
176
177 spin_lock_irqsave(&ha->hardware_lock, flags);
178 vha = pci_get_drvdata(ha->pdev);
179 for (iter = 50; iter--; ) {
180 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
181 if (qla2x00_check_reg32_for_disconnect(vha, stat))
182 break;
183 if (stat & HSR_RISC_PAUSED) {
184 if (unlikely(pci_channel_offline(ha->pdev)))
185 break;
186
187 hccr = RD_REG_WORD(&reg->hccr);
188
189 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
190 ql_log(ql_log_warn, vha, 0x5026,
191 "Parity error -- HCCR=%x, Dumping "
192 "firmware.\n", hccr);
193 else
194 ql_log(ql_log_warn, vha, 0x5027,
195 "RISC paused -- HCCR=%x, Dumping "
196 "firmware.\n", hccr);
197
198 /*
199 * Issue a "HARD" reset in order for the RISC
200 * interrupt bit to be cleared. Schedule a big
201 * hammer to get out of the RISC PAUSED state.
202 */
203 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
204 RD_REG_WORD(&reg->hccr);
205
206 ha->isp_ops->fw_dump(vha, 1);
207 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
208 break;
209 } else if ((stat & HSR_RISC_INT) == 0)
210 break;
211
212 switch (stat & 0xff) {
213 case 0x1:
214 case 0x2:
215 case 0x10:
216 case 0x11:
217 qla2x00_mbx_completion(vha, MSW(stat));
218 status |= MBX_INTERRUPT;
219
220 /* Release mailbox registers. */
221 WRT_REG_WORD(&reg->semaphore, 0);
222 break;
223 case 0x12:
224 mb[0] = MSW(stat);
225 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
226 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
227 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
228 qla2x00_async_event(vha, rsp, mb);
229 break;
230 case 0x13:
231 qla2x00_process_response_queue(rsp);
232 break;
233 case 0x15:
234 mb[0] = MBA_CMPLT_1_16BIT;
235 mb[1] = MSW(stat);
236 qla2x00_async_event(vha, rsp, mb);
237 break;
238 case 0x16:
239 mb[0] = MBA_SCSI_COMPLETION;
240 mb[1] = MSW(stat);
241 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
242 qla2x00_async_event(vha, rsp, mb);
243 break;
244 default:
245 ql_dbg(ql_dbg_async, vha, 0x5028,
246 "Unrecognized interrupt type (%d).\n", stat & 0xff);
247 break;
248 }
249 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
250 RD_REG_WORD_RELAXED(&reg->hccr);
251 }
252 qla2x00_handle_mbx_completion(ha, status);
253 spin_unlock_irqrestore(&ha->hardware_lock, flags);
254
255 return (IRQ_HANDLED);
256 }
257
258 /**
259 * qla2x00_mbx_completion() - Process mailbox command completions.
260 * @ha: SCSI driver HA context
261 * @mb0: Mailbox0 register
262 */
263 static void
264 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
265 {
266 uint16_t cnt;
267 uint32_t mboxes;
268 uint16_t __iomem *wptr;
269 struct qla_hw_data *ha = vha->hw;
270 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
271
272 /* Read all mbox registers? */
273 mboxes = (1 << ha->mbx_count) - 1;
274 if (!ha->mcp)
275 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
276 else
277 mboxes = ha->mcp->in_mb;
278
279 /* Load return mailbox registers. */
280 ha->flags.mbox_int = 1;
281 ha->mailbox_out[0] = mb0;
282 mboxes >>= 1;
283 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
284
285 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
286 if (IS_QLA2200(ha) && cnt == 8)
287 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
288 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
289 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
290 else if (mboxes & BIT_0)
291 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
292
293 wptr++;
294 mboxes >>= 1;
295 }
296 }
297
298 static void
299 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
300 {
301 static char *event[] =
302 { "Complete", "Request Notification", "Time Extension" };
303 int rval;
304 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
305 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
306 uint16_t __iomem *wptr;
307 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
308
309 /* Seed data -- mailbox1 -> mailbox7. */
310 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
311 wptr = (uint16_t __iomem *)&reg24->mailbox1;
312 else if (IS_QLA8044(vha->hw))
313 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
314 else
315 return;
316
317 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
318 mb[cnt] = RD_REG_WORD(wptr);
319
320 ql_dbg(ql_dbg_async, vha, 0x5021,
321 "Inter-Driver Communication %s -- "
322 "%04x %04x %04x %04x %04x %04x %04x.\n",
323 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
324 mb[4], mb[5], mb[6]);
325 switch (aen) {
326 /* Handle IDC Error completion case. */
327 case MBA_IDC_COMPLETE:
328 if (mb[1] >> 15) {
329 vha->hw->flags.idc_compl_status = 1;
330 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
331 complete(&vha->hw->dcbx_comp);
332 }
333 break;
334
335 case MBA_IDC_NOTIFY:
336 /* Acknowledgement needed? [Notify && non-zero timeout]. */
337 timeout = (descr >> 8) & 0xf;
338 ql_dbg(ql_dbg_async, vha, 0x5022,
339 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
340 vha->host_no, event[aen & 0xff], timeout);
341
342 if (!timeout)
343 return;
344 rval = qla2x00_post_idc_ack_work(vha, mb);
345 if (rval != QLA_SUCCESS)
346 ql_log(ql_log_warn, vha, 0x5023,
347 "IDC failed to post ACK.\n");
348 break;
349 case MBA_IDC_TIME_EXT:
350 vha->hw->idc_extend_tmo = descr;
351 ql_dbg(ql_dbg_async, vha, 0x5087,
352 "%lu Inter-Driver Communication %s -- "
353 "Extend timeout by=%d.\n",
354 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
355 break;
356 }
357 }
358
359 #define LS_UNKNOWN 2
360 const char *
361 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
362 {
363 static const char *const link_speeds[] = {
364 "1", "2", "?", "4", "8", "16", "32", "10"
365 };
366 #define QLA_LAST_SPEED 7
367
368 if (IS_QLA2100(ha) || IS_QLA2200(ha))
369 return link_speeds[0];
370 else if (speed == 0x13)
371 return link_speeds[QLA_LAST_SPEED];
372 else if (speed < QLA_LAST_SPEED)
373 return link_speeds[speed];
374 else
375 return link_speeds[LS_UNKNOWN];
376 }
377
378 static void
379 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
380 {
381 struct qla_hw_data *ha = vha->hw;
382
383 /*
384 * 8200 AEN Interpretation:
385 * mb[0] = AEN code
386 * mb[1] = AEN Reason code
387 * mb[2] = LSW of Peg-Halt Status-1 Register
388 * mb[6] = MSW of Peg-Halt Status-1 Register
389 * mb[3] = LSW of Peg-Halt Status-2 register
390 * mb[7] = MSW of Peg-Halt Status-2 register
391 * mb[4] = IDC Device-State Register value
392 * mb[5] = IDC Driver-Presence Register value
393 */
394 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
395 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
396 mb[0], mb[1], mb[2], mb[6]);
397 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
398 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
399 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
400
401 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
402 IDC_HEARTBEAT_FAILURE)) {
403 ha->flags.nic_core_hung = 1;
404 ql_log(ql_log_warn, vha, 0x5060,
405 "83XX: F/W Error Reported: Check if reset required.\n");
406
407 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
408 uint32_t protocol_engine_id, fw_err_code, err_level;
409
410 /*
411 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
412 * - PEG-Halt Status-1 Register:
413 * (LSW = mb[2], MSW = mb[6])
414 * Bits 0-7 = protocol-engine ID
415 * Bits 8-28 = f/w error code
416 * Bits 29-31 = Error-level
417 * Error-level 0x1 = Non-Fatal error
418 * Error-level 0x2 = Recoverable Fatal error
419 * Error-level 0x4 = UnRecoverable Fatal error
420 * - PEG-Halt Status-2 Register:
421 * (LSW = mb[3], MSW = mb[7])
422 */
423 protocol_engine_id = (mb[2] & 0xff);
424 fw_err_code = (((mb[2] & 0xff00) >> 8) |
425 ((mb[6] & 0x1fff) << 8));
426 err_level = ((mb[6] & 0xe000) >> 13);
427 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
428 "Register: protocol_engine_id=0x%x "
429 "fw_err_code=0x%x err_level=0x%x.\n",
430 protocol_engine_id, fw_err_code, err_level);
431 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
432 "Register: 0x%x%x.\n", mb[7], mb[3]);
433 if (err_level == ERR_LEVEL_NON_FATAL) {
434 ql_log(ql_log_warn, vha, 0x5063,
435 "Not a fatal error, f/w has recovered itself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
533 if (ha->flags.nic_core_reset_owner)
534 return;
535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537 }
538
539 int
540 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541 {
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562 }
563
564 fc_port_t *
565 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566 {
567 fc_port_t *f, *tf;
568
569 f = tf = NULL;
570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
571 if (f->loop_id == loop_id)
572 return f;
573 return NULL;
574 }
575
576 fc_port_t *
577 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
578 {
579 fc_port_t *f, *tf;
580
581 f = tf = NULL;
582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
584 if (incl_deleted)
585 return f;
586 else if (f->deleted == 0)
587 return f;
588 }
589 }
590 return NULL;
591 }
592
593 fc_port_t *
594 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
595 u8 incl_deleted)
596 {
597 fc_port_t *f, *tf;
598
599 f = tf = NULL;
600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
601 if (f->d_id.b24 == id->b24) {
602 if (incl_deleted)
603 return f;
604 else if (f->deleted == 0)
605 return f;
606 }
607 }
608 return NULL;
609 }
610
611 /**
612 * qla2x00_async_event() - Process aynchronous events.
613 * @ha: SCSI driver HA context
614 * @mb: Mailbox registers (0 - 3)
615 */
616 void
617 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
618 {
619 uint16_t handle_cnt;
620 uint16_t cnt, mbx;
621 uint32_t handles[5];
622 struct qla_hw_data *ha = vha->hw;
623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
626 uint32_t rscn_entry, host_pid;
627 unsigned long flags;
628 fc_port_t *fcport = NULL;
629
630 /* Setup to process RIO completion. */
631 handle_cnt = 0;
632 if (IS_CNA_CAPABLE(ha))
633 goto skip_rio;
634 switch (mb[0]) {
635 case MBA_SCSI_COMPLETION:
636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
637 handle_cnt = 1;
638 break;
639 case MBA_CMPLT_1_16BIT:
640 handles[0] = mb[1];
641 handle_cnt = 1;
642 mb[0] = MBA_SCSI_COMPLETION;
643 break;
644 case MBA_CMPLT_2_16BIT:
645 handles[0] = mb[1];
646 handles[1] = mb[2];
647 handle_cnt = 2;
648 mb[0] = MBA_SCSI_COMPLETION;
649 break;
650 case MBA_CMPLT_3_16BIT:
651 handles[0] = mb[1];
652 handles[1] = mb[2];
653 handles[2] = mb[3];
654 handle_cnt = 3;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_4_16BIT:
658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
662 handle_cnt = 4;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_5_16BIT:
666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
671 handle_cnt = 5;
672 mb[0] = MBA_SCSI_COMPLETION;
673 break;
674 case MBA_CMPLT_2_32BIT:
675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
676 handles[1] = le32_to_cpu(
677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
678 RD_MAILBOX_REG(ha, reg, 6));
679 handle_cnt = 2;
680 mb[0] = MBA_SCSI_COMPLETION;
681 break;
682 default:
683 break;
684 }
685 skip_rio:
686 switch (mb[0]) {
687 case MBA_SCSI_COMPLETION: /* Fast Post */
688 if (!vha->flags.online)
689 break;
690
691 for (cnt = 0; cnt < handle_cnt; cnt++)
692 qla2x00_process_completed_request(vha, rsp->req,
693 handles[cnt]);
694 break;
695
696 case MBA_RESET: /* Reset */
697 ql_dbg(ql_dbg_async, vha, 0x5002,
698 "Asynchronous RESET.\n");
699
700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
701 break;
702
703 case MBA_SYSTEM_ERR: /* System Error */
704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
705 RD_REG_WORD(&reg24->mailbox7) : 0;
706 ql_log(ql_log_warn, vha, 0x5003,
707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
709
710 ha->isp_ops->fw_dump(vha, 1);
711 ha->flags.fw_init_done = 0;
712 QLA_FW_STOPPED(ha);
713
714 if (IS_FWI2_CAPABLE(ha)) {
715 if (mb[1] == 0 && mb[2] == 0) {
716 ql_log(ql_log_fatal, vha, 0x5004,
717 "Unrecoverable Hardware Error: adapter "
718 "marked OFFLINE!\n");
719 vha->flags.online = 0;
720 vha->device_flags |= DFLG_DEV_FAILED;
721 } else {
722 /* Check to see if MPI timeout occurred */
723 if ((mbx & MBX_3) && (ha->port_no == 0))
724 set_bit(MPI_RESET_NEEDED,
725 &vha->dpc_flags);
726
727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
728 }
729 } else if (mb[1] == 0) {
730 ql_log(ql_log_fatal, vha, 0x5005,
731 "Unrecoverable Hardware Error: adapter marked "
732 "OFFLINE!\n");
733 vha->flags.online = 0;
734 vha->device_flags |= DFLG_DEV_FAILED;
735 } else
736 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
737 break;
738
739 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
740 ql_log(ql_log_warn, vha, 0x5006,
741 "ISP Request Transfer Error (%x).\n", mb[1]);
742
743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
744 break;
745
746 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
747 ql_log(ql_log_warn, vha, 0x5007,
748 "ISP Response Transfer Error (%x).\n", mb[1]);
749
750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
751 break;
752
753 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
754 ql_dbg(ql_dbg_async, vha, 0x5008,
755 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
756 break;
757
758 case MBA_LOOP_INIT_ERR:
759 ql_log(ql_log_warn, vha, 0x5090,
760 "LOOP INIT ERROR (%x).\n", mb[1]);
761 ha->isp_ops->fw_dump(vha, 1);
762 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
763 break;
764
765 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
766 ha->flags.lip_ae = 1;
767 ha->flags.n2n_ae = 0;
768
769 ql_dbg(ql_dbg_async, vha, 0x5009,
770 "LIP occurred (%x).\n", mb[1]);
771
772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
773 atomic_set(&vha->loop_state, LOOP_DOWN);
774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
775 qla2x00_mark_all_devices_lost(vha, 1);
776 }
777
778 if (vha->vp_idx) {
779 atomic_set(&vha->vp_state, VP_FAILED);
780 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
781 }
782
783 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
784 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
785
786 vha->flags.management_server_logged_in = 0;
787 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
788 break;
789
790 case MBA_LOOP_UP: /* Loop Up Event */
791 if (IS_QLA2100(ha) || IS_QLA2200(ha))
792 ha->link_data_rate = PORT_SPEED_1GB;
793 else
794 ha->link_data_rate = mb[1];
795
796 ql_log(ql_log_info, vha, 0x500a,
797 "LOOP UP detected (%s Gbps).\n",
798 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
799
800 vha->flags.management_server_logged_in = 0;
801 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
802 break;
803
804 case MBA_LOOP_DOWN: /* Loop Down Event */
805 ha->flags.n2n_ae = 0;
806 ha->flags.lip_ae = 0;
807 ha->current_topology = 0;
808
809 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
810 ? RD_REG_WORD(&reg24->mailbox4) : 0;
811 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
812 : mbx;
813 ql_log(ql_log_info, vha, 0x500b,
814 "LOOP DOWN detected (%x %x %x %x).\n",
815 mb[1], mb[2], mb[3], mbx);
816
817 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
818 atomic_set(&vha->loop_state, LOOP_DOWN);
819 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
820 /*
821 * In case of loop down, restore WWPN from
822 * NVRAM in case of FA-WWPN capable ISP
823 * Restore for Physical Port only
824 */
825 if (!vha->vp_idx) {
826 if (ha->flags.fawwpn_enabled) {
827 void *wwpn = ha->init_cb->port_name;
828 memcpy(vha->port_name, wwpn, WWN_SIZE);
829 fc_host_port_name(vha->host) =
830 wwn_to_u64(vha->port_name);
831 ql_dbg(ql_dbg_init + ql_dbg_verbose,
832 vha, 0x00d8, "LOOP DOWN detected,"
833 "restore WWPN %016llx\n",
834 wwn_to_u64(vha->port_name));
835 }
836
837 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
838 }
839
840 vha->device_flags |= DFLG_NO_CABLE;
841 qla2x00_mark_all_devices_lost(vha, 1);
842 }
843
844 if (vha->vp_idx) {
845 atomic_set(&vha->vp_state, VP_FAILED);
846 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
847 }
848
849 vha->flags.management_server_logged_in = 0;
850 ha->link_data_rate = PORT_SPEED_UNKNOWN;
851 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
852 break;
853
854 case MBA_LIP_RESET: /* LIP reset occurred */
855 ql_dbg(ql_dbg_async, vha, 0x500c,
856 "LIP reset occurred (%x).\n", mb[1]);
857
858 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
859 atomic_set(&vha->loop_state, LOOP_DOWN);
860 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
861 qla2x00_mark_all_devices_lost(vha, 1);
862 }
863
864 if (vha->vp_idx) {
865 atomic_set(&vha->vp_state, VP_FAILED);
866 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
867 }
868
869 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
870
871 ha->operating_mode = LOOP;
872 vha->flags.management_server_logged_in = 0;
873 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
874 break;
875
876 /* case MBA_DCBX_COMPLETE: */
877 case MBA_POINT_TO_POINT: /* Point-to-Point */
878 ha->flags.lip_ae = 0;
879 ha->flags.n2n_ae = 1;
880
881 if (IS_QLA2100(ha))
882 break;
883
884 if (IS_CNA_CAPABLE(ha)) {
885 ql_dbg(ql_dbg_async, vha, 0x500d,
886 "DCBX Completed -- %04x %04x %04x.\n",
887 mb[1], mb[2], mb[3]);
888 if (ha->notify_dcbx_comp && !vha->vp_idx)
889 complete(&ha->dcbx_comp);
890
891 } else
892 ql_dbg(ql_dbg_async, vha, 0x500e,
893 "Asynchronous P2P MODE received.\n");
894
895 /*
896 * Until there's a transition from loop down to loop up, treat
897 * this as loop down only.
898 */
899 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
900 atomic_set(&vha->loop_state, LOOP_DOWN);
901 if (!atomic_read(&vha->loop_down_timer))
902 atomic_set(&vha->loop_down_timer,
903 LOOP_DOWN_TIME);
904 qla2x00_mark_all_devices_lost(vha, 1);
905 }
906
907 if (vha->vp_idx) {
908 atomic_set(&vha->vp_state, VP_FAILED);
909 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
910 }
911
912 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
913 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
914
915 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
916 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
917
918 ha->flags.gpsc_supported = 1;
919 vha->flags.management_server_logged_in = 0;
920 break;
921
922 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
923 if (IS_QLA2100(ha))
924 break;
925
926 ql_dbg(ql_dbg_async, vha, 0x500f,
927 "Configuration change detected: value=%x.\n", mb[1]);
928
929 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
930 atomic_set(&vha->loop_state, LOOP_DOWN);
931 if (!atomic_read(&vha->loop_down_timer))
932 atomic_set(&vha->loop_down_timer,
933 LOOP_DOWN_TIME);
934 qla2x00_mark_all_devices_lost(vha, 1);
935 }
936
937 if (vha->vp_idx) {
938 atomic_set(&vha->vp_state, VP_FAILED);
939 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
940 }
941
942 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
943 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
944 break;
945
946 case MBA_PORT_UPDATE: /* Port database update */
947 /*
948 * Handle only global and vn-port update events
949 *
950 * Relevant inputs:
951 * mb[1] = N_Port handle of changed port
952 * OR 0xffff for global event
953 * mb[2] = New login state
954 * 7 = Port logged out
955 * mb[3] = LSB is vp_idx, 0xff = all vps
956 *
957 * Skip processing if:
958 * Event is global, vp_idx is NOT all vps,
959 * vp_idx does not match
960 * Event is not global, vp_idx does not match
961 */
962 if (IS_QLA2XXX_MIDTYPE(ha) &&
963 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
964 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
965 break;
966
967 if (mb[2] == 0x7) {
968 ql_dbg(ql_dbg_async, vha, 0x5010,
969 "Port %s %04x %04x %04x.\n",
970 mb[1] == 0xffff ? "unavailable" : "logout",
971 mb[1], mb[2], mb[3]);
972
973 if (mb[1] == 0xffff)
974 goto global_port_update;
975
976 if (mb[1] == NPH_SNS_LID(ha)) {
977 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
978 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
979 break;
980 }
981
982 /* use handle_cnt for loop id/nport handle */
983 if (IS_FWI2_CAPABLE(ha))
984 handle_cnt = NPH_SNS;
985 else
986 handle_cnt = SIMPLE_NAME_SERVER;
987 if (mb[1] == handle_cnt) {
988 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
989 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
990 break;
991 }
992
993 /* Port logout */
994 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
995 if (!fcport)
996 break;
997 if (atomic_read(&fcport->state) != FCS_ONLINE)
998 break;
999 ql_dbg(ql_dbg_async, vha, 0x508a,
1000 "Marking port lost loopid=%04x portid=%06x.\n",
1001 fcport->loop_id, fcport->d_id.b24);
1002 if (qla_ini_mode_enabled(vha)) {
1003 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1004 fcport->logout_on_delete = 0;
1005 qlt_schedule_sess_for_deletion_lock(fcport);
1006 }
1007 break;
1008
1009 global_port_update:
1010 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1011 atomic_set(&vha->loop_state, LOOP_DOWN);
1012 atomic_set(&vha->loop_down_timer,
1013 LOOP_DOWN_TIME);
1014 vha->device_flags |= DFLG_NO_CABLE;
1015 qla2x00_mark_all_devices_lost(vha, 1);
1016 }
1017
1018 if (vha->vp_idx) {
1019 atomic_set(&vha->vp_state, VP_FAILED);
1020 fc_vport_set_state(vha->fc_vport,
1021 FC_VPORT_FAILED);
1022 qla2x00_mark_all_devices_lost(vha, 1);
1023 }
1024
1025 vha->flags.management_server_logged_in = 0;
1026 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1027 break;
1028 }
1029
1030 /*
1031 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1032 * event etc. earlier indicating loop is down) then process
1033 * it. Otherwise ignore it and Wait for RSCN to come in.
1034 */
1035 atomic_set(&vha->loop_down_timer, 0);
1036 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1037 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1038 ql_dbg(ql_dbg_async, vha, 0x5011,
1039 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1040 mb[1], mb[2], mb[3]);
1041
1042 qlt_async_event(mb[0], vha, mb);
1043 break;
1044 }
1045
1046 ql_dbg(ql_dbg_async, vha, 0x5012,
1047 "Port database changed %04x %04x %04x.\n",
1048 mb[1], mb[2], mb[3]);
1049
1050 /*
1051 * Mark all devices as missing so we will login again.
1052 */
1053 atomic_set(&vha->loop_state, LOOP_UP);
1054
1055 qla2x00_mark_all_devices_lost(vha, 1);
1056
1057 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1058 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1059 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1060
1061 qlt_async_event(mb[0], vha, mb);
1062 break;
1063
1064 case MBA_RSCN_UPDATE: /* State Change Registration */
1065 /* Check if the Vport has issued a SCR */
1066 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1067 break;
1068 /* Only handle SCNs for our Vport index. */
1069 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1070 break;
1071
1072 ql_dbg(ql_dbg_async, vha, 0x5013,
1073 "RSCN database changed -- %04x %04x %04x.\n",
1074 mb[1], mb[2], mb[3]);
1075
1076 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1077 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1078 | vha->d_id.b.al_pa;
1079 if (rscn_entry == host_pid) {
1080 ql_dbg(ql_dbg_async, vha, 0x5014,
1081 "Ignoring RSCN update to local host "
1082 "port ID (%06x).\n", host_pid);
1083 break;
1084 }
1085
1086 /* Ignore reserved bits from RSCN-payload. */
1087 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1088
1089 /* Skip RSCNs for virtual ports on the same physical port */
1090 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1091 break;
1092
1093 atomic_set(&vha->loop_down_timer, 0);
1094 vha->flags.management_server_logged_in = 0;
1095 {
1096 struct event_arg ea;
1097
1098 memset(&ea, 0, sizeof(ea));
1099 ea.event = FCME_RSCN;
1100 ea.id.b24 = rscn_entry;
1101 ea.id.b.rsvd_1 = rscn_entry >> 24;
1102 qla2x00_fcport_event_handler(vha, &ea);
1103 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1104 }
1105 break;
1106 /* case MBA_RIO_RESPONSE: */
1107 case MBA_ZIO_RESPONSE:
1108 ql_dbg(ql_dbg_async, vha, 0x5015,
1109 "[R|Z]IO update completion.\n");
1110
1111 if (IS_FWI2_CAPABLE(ha))
1112 qla24xx_process_response_queue(vha, rsp);
1113 else
1114 qla2x00_process_response_queue(rsp);
1115 break;
1116
1117 case MBA_DISCARD_RND_FRAME:
1118 ql_dbg(ql_dbg_async, vha, 0x5016,
1119 "Discard RND Frame -- %04x %04x %04x.\n",
1120 mb[1], mb[2], mb[3]);
1121 break;
1122
1123 case MBA_TRACE_NOTIFICATION:
1124 ql_dbg(ql_dbg_async, vha, 0x5017,
1125 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1126 break;
1127
1128 case MBA_ISP84XX_ALERT:
1129 ql_dbg(ql_dbg_async, vha, 0x5018,
1130 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1131 mb[1], mb[2], mb[3]);
1132
1133 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1134 switch (mb[1]) {
1135 case A84_PANIC_RECOVERY:
1136 ql_log(ql_log_info, vha, 0x5019,
1137 "Alert 84XX: panic recovery %04x %04x.\n",
1138 mb[2], mb[3]);
1139 break;
1140 case A84_OP_LOGIN_COMPLETE:
1141 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1142 ql_log(ql_log_info, vha, 0x501a,
1143 "Alert 84XX: firmware version %x.\n",
1144 ha->cs84xx->op_fw_version);
1145 break;
1146 case A84_DIAG_LOGIN_COMPLETE:
1147 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1148 ql_log(ql_log_info, vha, 0x501b,
1149 "Alert 84XX: diagnostic firmware version %x.\n",
1150 ha->cs84xx->diag_fw_version);
1151 break;
1152 case A84_GOLD_LOGIN_COMPLETE:
1153 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1154 ha->cs84xx->fw_update = 1;
1155 ql_log(ql_log_info, vha, 0x501c,
1156 "Alert 84XX: gold firmware version %x.\n",
1157 ha->cs84xx->gold_fw_version);
1158 break;
1159 default:
1160 ql_log(ql_log_warn, vha, 0x501d,
1161 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1162 mb[1], mb[2], mb[3]);
1163 }
1164 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1165 break;
1166 case MBA_DCBX_START:
1167 ql_dbg(ql_dbg_async, vha, 0x501e,
1168 "DCBX Started -- %04x %04x %04x.\n",
1169 mb[1], mb[2], mb[3]);
1170 break;
1171 case MBA_DCBX_PARAM_UPDATE:
1172 ql_dbg(ql_dbg_async, vha, 0x501f,
1173 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1174 mb[1], mb[2], mb[3]);
1175 break;
1176 case MBA_FCF_CONF_ERR:
1177 ql_dbg(ql_dbg_async, vha, 0x5020,
1178 "FCF Configuration Error -- %04x %04x %04x.\n",
1179 mb[1], mb[2], mb[3]);
1180 break;
1181 case MBA_IDC_NOTIFY:
1182 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1183 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1184 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1185 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1186 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1187 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1188 /*
1189 * Extend loop down timer since port is active.
1190 */
1191 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1192 atomic_set(&vha->loop_down_timer,
1193 LOOP_DOWN_TIME);
1194 qla2xxx_wake_dpc(vha);
1195 }
1196 }
1197 case MBA_IDC_COMPLETE:
1198 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1199 complete(&ha->lb_portup_comp);
1200 /* Fallthru */
1201 case MBA_IDC_TIME_EXT:
1202 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1203 IS_QLA8044(ha))
1204 qla81xx_idc_event(vha, mb[0], mb[1]);
1205 break;
1206
1207 case MBA_IDC_AEN:
1208 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1209 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1210 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1211 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1212 qla83xx_handle_8200_aen(vha, mb);
1213 break;
1214
1215 case MBA_DPORT_DIAGNOSTICS:
1216 ql_dbg(ql_dbg_async, vha, 0x5052,
1217 "D-Port Diagnostics: %04x result=%s\n",
1218 mb[0],
1219 mb[1] == 0 ? "start" :
1220 mb[1] == 1 ? "done (pass)" :
1221 mb[1] == 2 ? "done (error)" : "other");
1222 break;
1223
1224 case MBA_TEMPERATURE_ALERT:
1225 ql_dbg(ql_dbg_async, vha, 0x505e,
1226 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1227 if (mb[1] == 0x12)
1228 schedule_work(&ha->board_disable);
1229 break;
1230
1231 default:
1232 ql_dbg(ql_dbg_async, vha, 0x5057,
1233 "Unknown AEN:%04x %04x %04x %04x\n",
1234 mb[0], mb[1], mb[2], mb[3]);
1235 }
1236
1237 qlt_async_event(mb[0], vha, mb);
1238
1239 if (!vha->vp_idx && ha->num_vhosts)
1240 qla2x00_alert_all_vps(rsp, mb);
1241 }
1242
1243 /**
1244 * qla2x00_process_completed_request() - Process a Fast Post response.
1245 * @ha: SCSI driver HA context
1246 * @index: SRB index
1247 */
1248 void
1249 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1250 struct req_que *req, uint32_t index)
1251 {
1252 srb_t *sp;
1253 struct qla_hw_data *ha = vha->hw;
1254
1255 /* Validate handle. */
1256 if (index >= req->num_outstanding_cmds) {
1257 ql_log(ql_log_warn, vha, 0x3014,
1258 "Invalid SCSI command index (%x).\n", index);
1259
1260 if (IS_P3P_TYPE(ha))
1261 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1262 else
1263 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1264 return;
1265 }
1266
1267 sp = req->outstanding_cmds[index];
1268 if (sp) {
1269 /* Free outstanding command slot. */
1270 req->outstanding_cmds[index] = NULL;
1271
1272 /* Save ISP completion status */
1273 sp->done(sp, DID_OK << 16);
1274 } else {
1275 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1276
1277 if (IS_P3P_TYPE(ha))
1278 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1279 else
1280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1281 }
1282 }
1283
1284 srb_t *
1285 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1286 struct req_que *req, void *iocb)
1287 {
1288 struct qla_hw_data *ha = vha->hw;
1289 sts_entry_t *pkt = iocb;
1290 srb_t *sp = NULL;
1291 uint16_t index;
1292
1293 index = LSW(pkt->handle);
1294 if (index >= req->num_outstanding_cmds) {
1295 ql_log(ql_log_warn, vha, 0x5031,
1296 "Invalid command index (%x) type %8ph.\n",
1297 index, iocb);
1298 if (IS_P3P_TYPE(ha))
1299 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1300 else
1301 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1302 goto done;
1303 }
1304 sp = req->outstanding_cmds[index];
1305 if (!sp) {
1306 ql_log(ql_log_warn, vha, 0x5032,
1307 "Invalid completion handle (%x) -- timed-out.\n", index);
1308 return sp;
1309 }
1310 if (sp->handle != index) {
1311 ql_log(ql_log_warn, vha, 0x5033,
1312 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1313 return NULL;
1314 }
1315
1316 req->outstanding_cmds[index] = NULL;
1317
1318 done:
1319 return sp;
1320 }
1321
1322 static void
1323 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1324 struct mbx_entry *mbx)
1325 {
1326 const char func[] = "MBX-IOCB";
1327 const char *type;
1328 fc_port_t *fcport;
1329 srb_t *sp;
1330 struct srb_iocb *lio;
1331 uint16_t *data;
1332 uint16_t status;
1333
1334 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1335 if (!sp)
1336 return;
1337
1338 lio = &sp->u.iocb_cmd;
1339 type = sp->name;
1340 fcport = sp->fcport;
1341 data = lio->u.logio.data;
1342
1343 data[0] = MBS_COMMAND_ERROR;
1344 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1345 QLA_LOGIO_LOGIN_RETRIED : 0;
1346 if (mbx->entry_status) {
1347 ql_dbg(ql_dbg_async, vha, 0x5043,
1348 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1349 "entry-status=%x status=%x state-flag=%x "
1350 "status-flags=%x.\n", type, sp->handle,
1351 fcport->d_id.b.domain, fcport->d_id.b.area,
1352 fcport->d_id.b.al_pa, mbx->entry_status,
1353 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1354 le16_to_cpu(mbx->status_flags));
1355
1356 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1357 (uint8_t *)mbx, sizeof(*mbx));
1358
1359 goto logio_done;
1360 }
1361
1362 status = le16_to_cpu(mbx->status);
1363 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1364 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1365 status = 0;
1366 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1367 ql_dbg(ql_dbg_async, vha, 0x5045,
1368 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1369 type, sp->handle, fcport->d_id.b.domain,
1370 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1371 le16_to_cpu(mbx->mb1));
1372
1373 data[0] = MBS_COMMAND_COMPLETE;
1374 if (sp->type == SRB_LOGIN_CMD) {
1375 fcport->port_type = FCT_TARGET;
1376 if (le16_to_cpu(mbx->mb1) & BIT_0)
1377 fcport->port_type = FCT_INITIATOR;
1378 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1379 fcport->flags |= FCF_FCP2_DEVICE;
1380 }
1381 goto logio_done;
1382 }
1383
1384 data[0] = le16_to_cpu(mbx->mb0);
1385 switch (data[0]) {
1386 case MBS_PORT_ID_USED:
1387 data[1] = le16_to_cpu(mbx->mb1);
1388 break;
1389 case MBS_LOOP_ID_USED:
1390 break;
1391 default:
1392 data[0] = MBS_COMMAND_ERROR;
1393 break;
1394 }
1395
1396 ql_log(ql_log_warn, vha, 0x5046,
1397 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1398 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1399 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1400 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1401 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1402 le16_to_cpu(mbx->mb7));
1403
1404 logio_done:
1405 sp->done(sp, 0);
1406 }
1407
1408 static void
1409 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1410 struct mbx_24xx_entry *pkt)
1411 {
1412 const char func[] = "MBX-IOCB2";
1413 srb_t *sp;
1414 struct srb_iocb *si;
1415 u16 sz, i;
1416 int res;
1417
1418 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1419 if (!sp)
1420 return;
1421
1422 si = &sp->u.iocb_cmd;
1423 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1424
1425 for (i = 0; i < sz; i++)
1426 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1427
1428 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1429
1430 sp->done(sp, res);
1431 }
1432
1433 static void
1434 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1435 struct nack_to_isp *pkt)
1436 {
1437 const char func[] = "nack";
1438 srb_t *sp;
1439 int res = 0;
1440
1441 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1442 if (!sp)
1443 return;
1444
1445 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1446 res = QLA_FUNCTION_FAILED;
1447
1448 sp->done(sp, res);
1449 }
1450
1451 static void
1452 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1453 sts_entry_t *pkt, int iocb_type)
1454 {
1455 const char func[] = "CT_IOCB";
1456 const char *type;
1457 srb_t *sp;
1458 struct bsg_job *bsg_job;
1459 struct fc_bsg_reply *bsg_reply;
1460 uint16_t comp_status;
1461 int res = 0;
1462
1463 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1464 if (!sp)
1465 return;
1466
1467 switch (sp->type) {
1468 case SRB_CT_CMD:
1469 bsg_job = sp->u.bsg_job;
1470 bsg_reply = bsg_job->reply;
1471
1472 type = "ct pass-through";
1473
1474 comp_status = le16_to_cpu(pkt->comp_status);
1475
1476 /*
1477 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1478 * fc payload to the caller
1479 */
1480 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1481 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1482
1483 if (comp_status != CS_COMPLETE) {
1484 if (comp_status == CS_DATA_UNDERRUN) {
1485 res = DID_OK << 16;
1486 bsg_reply->reply_payload_rcv_len =
1487 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1488
1489 ql_log(ql_log_warn, vha, 0x5048,
1490 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1491 type, comp_status,
1492 bsg_reply->reply_payload_rcv_len);
1493 } else {
1494 ql_log(ql_log_warn, vha, 0x5049,
1495 "CT pass-through-%s error comp_status=0x%x.\n",
1496 type, comp_status);
1497 res = DID_ERROR << 16;
1498 bsg_reply->reply_payload_rcv_len = 0;
1499 }
1500 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1501 (uint8_t *)pkt, sizeof(*pkt));
1502 } else {
1503 res = DID_OK << 16;
1504 bsg_reply->reply_payload_rcv_len =
1505 bsg_job->reply_payload.payload_len;
1506 bsg_job->reply_len = 0;
1507 }
1508 break;
1509 case SRB_CT_PTHRU_CMD:
1510 /*
1511 * borrowing sts_entry_24xx.comp_status.
1512 * same location as ct_entry_24xx.comp_status
1513 */
1514 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1515 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1516 sp->name);
1517 break;
1518 }
1519
1520 sp->done(sp, res);
1521 }
1522
1523 static void
1524 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1525 struct sts_entry_24xx *pkt, int iocb_type)
1526 {
1527 const char func[] = "ELS_CT_IOCB";
1528 const char *type;
1529 srb_t *sp;
1530 struct bsg_job *bsg_job;
1531 struct fc_bsg_reply *bsg_reply;
1532 uint16_t comp_status;
1533 uint32_t fw_status[3];
1534 uint8_t* fw_sts_ptr;
1535 int res;
1536
1537 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1538 if (!sp)
1539 return;
1540 bsg_job = sp->u.bsg_job;
1541 bsg_reply = bsg_job->reply;
1542
1543 type = NULL;
1544 switch (sp->type) {
1545 case SRB_ELS_CMD_RPT:
1546 case SRB_ELS_CMD_HST:
1547 type = "els";
1548 break;
1549 case SRB_CT_CMD:
1550 type = "ct pass-through";
1551 break;
1552 case SRB_ELS_DCMD:
1553 type = "Driver ELS logo";
1554 ql_dbg(ql_dbg_user, vha, 0x5047,
1555 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1556 sp->done(sp, 0);
1557 return;
1558 case SRB_CT_PTHRU_CMD:
1559 /* borrowing sts_entry_24xx.comp_status.
1560 same location as ct_entry_24xx.comp_status
1561 */
1562 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1563 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1564 sp->name);
1565 sp->done(sp, res);
1566 return;
1567 default:
1568 ql_dbg(ql_dbg_user, vha, 0x503e,
1569 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1570 return;
1571 }
1572
1573 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1574 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1575 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1576
1577 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1578 * fc payload to the caller
1579 */
1580 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1581 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1582
1583 if (comp_status != CS_COMPLETE) {
1584 if (comp_status == CS_DATA_UNDERRUN) {
1585 res = DID_OK << 16;
1586 bsg_reply->reply_payload_rcv_len =
1587 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1588
1589 ql_dbg(ql_dbg_user, vha, 0x503f,
1590 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1591 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1592 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1593 le16_to_cpu(((struct els_sts_entry_24xx *)
1594 pkt)->total_byte_count));
1595 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1596 sizeof(struct fc_bsg_reply);
1597 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1598 }
1599 else {
1600 ql_dbg(ql_dbg_user, vha, 0x5040,
1601 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1602 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1603 type, sp->handle, comp_status,
1604 le16_to_cpu(((struct els_sts_entry_24xx *)
1605 pkt)->error_subcode_1),
1606 le16_to_cpu(((struct els_sts_entry_24xx *)
1607 pkt)->error_subcode_2));
1608 res = DID_ERROR << 16;
1609 bsg_reply->reply_payload_rcv_len = 0;
1610 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1611 sizeof(struct fc_bsg_reply);
1612 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1613 }
1614 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1615 (uint8_t *)pkt, sizeof(*pkt));
1616 }
1617 else {
1618 res = DID_OK << 16;
1619 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1620 bsg_job->reply_len = 0;
1621 }
1622
1623 sp->done(sp, res);
1624 }
1625
1626 static void
1627 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1628 struct logio_entry_24xx *logio)
1629 {
1630 const char func[] = "LOGIO-IOCB";
1631 const char *type;
1632 fc_port_t *fcport;
1633 srb_t *sp;
1634 struct srb_iocb *lio;
1635 uint16_t *data;
1636 uint32_t iop[2];
1637
1638 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1639 if (!sp)
1640 return;
1641
1642 lio = &sp->u.iocb_cmd;
1643 type = sp->name;
1644 fcport = sp->fcport;
1645 data = lio->u.logio.data;
1646
1647 data[0] = MBS_COMMAND_ERROR;
1648 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1649 QLA_LOGIO_LOGIN_RETRIED : 0;
1650 if (logio->entry_status) {
1651 ql_log(ql_log_warn, fcport->vha, 0x5034,
1652 "Async-%s error entry - %8phC hdl=%x"
1653 "portid=%02x%02x%02x entry-status=%x.\n",
1654 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1655 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1656 logio->entry_status);
1657 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1658 (uint8_t *)logio, sizeof(*logio));
1659
1660 goto logio_done;
1661 }
1662
1663 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1664 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1665 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1666 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1667 fcport->d_id.b.domain,
1668 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1669 le32_to_cpu(logio->io_parameter[0]));
1670
1671 vha->hw->exch_starvation = 0;
1672 data[0] = MBS_COMMAND_COMPLETE;
1673 if (sp->type != SRB_LOGIN_CMD)
1674 goto logio_done;
1675
1676 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1677 if (iop[0] & BIT_4) {
1678 fcport->port_type = FCT_TARGET;
1679 if (iop[0] & BIT_8)
1680 fcport->flags |= FCF_FCP2_DEVICE;
1681 } else if (iop[0] & BIT_5)
1682 fcport->port_type = FCT_INITIATOR;
1683
1684 if (iop[0] & BIT_7)
1685 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1686
1687 if (logio->io_parameter[7] || logio->io_parameter[8])
1688 fcport->supported_classes |= FC_COS_CLASS2;
1689 if (logio->io_parameter[9] || logio->io_parameter[10])
1690 fcport->supported_classes |= FC_COS_CLASS3;
1691
1692 goto logio_done;
1693 }
1694
1695 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1696 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1697 lio->u.logio.iop[0] = iop[0];
1698 lio->u.logio.iop[1] = iop[1];
1699 switch (iop[0]) {
1700 case LSC_SCODE_PORTID_USED:
1701 data[0] = MBS_PORT_ID_USED;
1702 data[1] = LSW(iop[1]);
1703 break;
1704 case LSC_SCODE_NPORT_USED:
1705 data[0] = MBS_LOOP_ID_USED;
1706 break;
1707 case LSC_SCODE_CMD_FAILED:
1708 if (iop[1] == 0x0606) {
1709 /*
1710 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1711 * Target side acked.
1712 */
1713 data[0] = MBS_COMMAND_COMPLETE;
1714 goto logio_done;
1715 }
1716 data[0] = MBS_COMMAND_ERROR;
1717 break;
1718 case LSC_SCODE_NOXCB:
1719 vha->hw->exch_starvation++;
1720 if (vha->hw->exch_starvation > 5) {
1721 ql_log(ql_log_warn, vha, 0xd046,
1722 "Exchange starvation. Resetting RISC\n");
1723
1724 vha->hw->exch_starvation = 0;
1725
1726 if (IS_P3P_TYPE(vha->hw))
1727 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1728 else
1729 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1730 qla2xxx_wake_dpc(vha);
1731 }
1732 /* drop through */
1733 default:
1734 data[0] = MBS_COMMAND_ERROR;
1735 break;
1736 }
1737
1738 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1739 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1740 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1741 sp->handle, fcport->d_id.b.domain,
1742 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1743 le16_to_cpu(logio->comp_status),
1744 le32_to_cpu(logio->io_parameter[0]),
1745 le32_to_cpu(logio->io_parameter[1]));
1746
1747 logio_done:
1748 sp->done(sp, 0);
1749 }
1750
1751 static void
1752 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1753 {
1754 const char func[] = "TMF-IOCB";
1755 const char *type;
1756 fc_port_t *fcport;
1757 srb_t *sp;
1758 struct srb_iocb *iocb;
1759 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1760
1761 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1762 if (!sp)
1763 return;
1764
1765 iocb = &sp->u.iocb_cmd;
1766 type = sp->name;
1767 fcport = sp->fcport;
1768 iocb->u.tmf.data = QLA_SUCCESS;
1769
1770 if (sts->entry_status) {
1771 ql_log(ql_log_warn, fcport->vha, 0x5038,
1772 "Async-%s error - hdl=%x entry-status(%x).\n",
1773 type, sp->handle, sts->entry_status);
1774 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1775 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1776 ql_log(ql_log_warn, fcport->vha, 0x5039,
1777 "Async-%s error - hdl=%x completion status(%x).\n",
1778 type, sp->handle, sts->comp_status);
1779 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1780 } else if ((le16_to_cpu(sts->scsi_status) &
1781 SS_RESPONSE_INFO_LEN_VALID)) {
1782 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1783 ql_log(ql_log_warn, fcport->vha, 0x503b,
1784 "Async-%s error - hdl=%x not enough response(%d).\n",
1785 type, sp->handle, sts->rsp_data_len);
1786 } else if (sts->data[3]) {
1787 ql_log(ql_log_warn, fcport->vha, 0x503c,
1788 "Async-%s error - hdl=%x response(%x).\n",
1789 type, sp->handle, sts->data[3]);
1790 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1791 }
1792 }
1793
1794 if (iocb->u.tmf.data != QLA_SUCCESS)
1795 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1796 (uint8_t *)sts, sizeof(*sts));
1797
1798 sp->done(sp, 0);
1799 }
1800
1801 static void
1802 qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1803 {
1804 const char func[] = "NVME-IOCB";
1805 fc_port_t *fcport;
1806 srb_t *sp;
1807 struct srb_iocb *iocb;
1808 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1809 uint16_t state_flags;
1810 struct nvmefc_fcp_req *fd;
1811 uint16_t ret = 0;
1812 struct srb_iocb *nvme;
1813
1814 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1815 if (!sp)
1816 return;
1817
1818 iocb = &sp->u.iocb_cmd;
1819 fcport = sp->fcport;
1820 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status);
1821 state_flags = le16_to_cpu(sts->state_flags);
1822 fd = iocb->u.nvme.desc;
1823 nvme = &sp->u.iocb_cmd;
1824
1825 if (unlikely(nvme->u.nvme.aen_op))
1826 atomic_dec(&sp->vha->nvme_active_aen_cnt);
1827
1828 /*
1829 * State flags: Bit 6 and 0.
1830 * If 0 is set, we don't care about 6.
1831 * both cases resp was dma'd to host buffer
1832 * if both are 0, that is good path case.
1833 * if six is set and 0 is clear, we need to
1834 * copy resp data from status iocb to resp buffer.
1835 */
1836 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1837 iocb->u.nvme.rsp_pyld_len = 0;
1838 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1839 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1840 } else if (state_flags & SF_NVME_ERSP) {
1841 uint32_t *inbuf, *outbuf;
1842 uint16_t iter;
1843
1844 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1845 outbuf = (uint32_t *)fd->rspaddr;
1846 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1847 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1848 for (; iter; iter--)
1849 *outbuf++ = swab32(*inbuf++);
1850 } else { /* unhandled case */
1851 ql_log(ql_log_warn, fcport->vha, 0x503a,
1852 "NVME-%s error. Unhandled state_flags of %x\n",
1853 sp->name, state_flags);
1854 }
1855
1856 fd->transferred_length = fd->payload_length -
1857 le32_to_cpu(sts->residual_len);
1858
1859 if (sts->entry_status) {
1860 ql_log(ql_log_warn, fcport->vha, 0x5038,
1861 "NVME-%s error - hdl=%x entry-status(%x).\n",
1862 sp->name, sp->handle, sts->entry_status);
1863 ret = QLA_FUNCTION_FAILED;
1864 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1865 ql_log(ql_log_warn, fcport->vha, 0x5039,
1866 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1867 sp->name, sp->handle, sts->comp_status,
1868 le32_to_cpu(sts->residual_len), sts->ox_id);
1869 ret = QLA_FUNCTION_FAILED;
1870 }
1871 sp->done(sp, ret);
1872 }
1873
1874 /**
1875 * qla2x00_process_response_queue() - Process response queue entries.
1876 * @ha: SCSI driver HA context
1877 */
1878 void
1879 qla2x00_process_response_queue(struct rsp_que *rsp)
1880 {
1881 struct scsi_qla_host *vha;
1882 struct qla_hw_data *ha = rsp->hw;
1883 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1884 sts_entry_t *pkt;
1885 uint16_t handle_cnt;
1886 uint16_t cnt;
1887
1888 vha = pci_get_drvdata(ha->pdev);
1889
1890 if (!vha->flags.online)
1891 return;
1892
1893 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1894 pkt = (sts_entry_t *)rsp->ring_ptr;
1895
1896 rsp->ring_index++;
1897 if (rsp->ring_index == rsp->length) {
1898 rsp->ring_index = 0;
1899 rsp->ring_ptr = rsp->ring;
1900 } else {
1901 rsp->ring_ptr++;
1902 }
1903
1904 if (pkt->entry_status != 0) {
1905 qla2x00_error_entry(vha, rsp, pkt);
1906 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1907 wmb();
1908 continue;
1909 }
1910
1911 switch (pkt->entry_type) {
1912 case STATUS_TYPE:
1913 qla2x00_status_entry(vha, rsp, pkt);
1914 break;
1915 case STATUS_TYPE_21:
1916 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1917 for (cnt = 0; cnt < handle_cnt; cnt++) {
1918 qla2x00_process_completed_request(vha, rsp->req,
1919 ((sts21_entry_t *)pkt)->handle[cnt]);
1920 }
1921 break;
1922 case STATUS_TYPE_22:
1923 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1924 for (cnt = 0; cnt < handle_cnt; cnt++) {
1925 qla2x00_process_completed_request(vha, rsp->req,
1926 ((sts22_entry_t *)pkt)->handle[cnt]);
1927 }
1928 break;
1929 case STATUS_CONT_TYPE:
1930 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1931 break;
1932 case MBX_IOCB_TYPE:
1933 qla2x00_mbx_iocb_entry(vha, rsp->req,
1934 (struct mbx_entry *)pkt);
1935 break;
1936 case CT_IOCB_TYPE:
1937 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1938 break;
1939 default:
1940 /* Type Not Supported. */
1941 ql_log(ql_log_warn, vha, 0x504a,
1942 "Received unknown response pkt type %x "
1943 "entry status=%x.\n",
1944 pkt->entry_type, pkt->entry_status);
1945 break;
1946 }
1947 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1948 wmb();
1949 }
1950
1951 /* Adjust ring index */
1952 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1953 }
1954
1955 static inline void
1956 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
1957 uint32_t sense_len, struct rsp_que *rsp, int res)
1958 {
1959 struct scsi_qla_host *vha = sp->vha;
1960 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1961 uint32_t track_sense_len;
1962
1963 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1964 sense_len = SCSI_SENSE_BUFFERSIZE;
1965
1966 SET_CMD_SENSE_LEN(sp, sense_len);
1967 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1968 track_sense_len = sense_len;
1969
1970 if (sense_len > par_sense_len)
1971 sense_len = par_sense_len;
1972
1973 memcpy(cp->sense_buffer, sense_data, sense_len);
1974
1975 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1976 track_sense_len -= sense_len;
1977 SET_CMD_SENSE_LEN(sp, track_sense_len);
1978
1979 if (track_sense_len != 0) {
1980 rsp->status_srb = sp;
1981 cp->result = res;
1982 }
1983
1984 if (sense_len) {
1985 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1986 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
1987 sp->vha->host_no, cp->device->id, cp->device->lun,
1988 cp);
1989 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1990 cp->sense_buffer, sense_len);
1991 }
1992 }
1993
1994 struct scsi_dif_tuple {
1995 __be16 guard; /* Checksum */
1996 __be16 app_tag; /* APPL identifier */
1997 __be32 ref_tag; /* Target LBA or indirect LBA */
1998 };
1999
2000 /*
2001 * Checks the guard or meta-data for the type of error
2002 * detected by the HBA. In case of errors, we set the
2003 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2004 * to indicate to the kernel that the HBA detected error.
2005 */
2006 static inline int
2007 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2008 {
2009 struct scsi_qla_host *vha = sp->vha;
2010 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2011 uint8_t *ap = &sts24->data[12];
2012 uint8_t *ep = &sts24->data[20];
2013 uint32_t e_ref_tag, a_ref_tag;
2014 uint16_t e_app_tag, a_app_tag;
2015 uint16_t e_guard, a_guard;
2016
2017 /*
2018 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2019 * would make guard field appear at offset 2
2020 */
2021 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2022 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2023 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2024 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2025 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2026 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2027
2028 ql_dbg(ql_dbg_io, vha, 0x3023,
2029 "iocb(s) %p Returned STATUS.\n", sts24);
2030
2031 ql_dbg(ql_dbg_io, vha, 0x3024,
2032 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2033 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2034 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2035 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2036 a_app_tag, e_app_tag, a_guard, e_guard);
2037
2038 /*
2039 * Ignore sector if:
2040 * For type 3: ref & app tag is all 'f's
2041 * For type 0,1,2: app tag is all 'f's
2042 */
2043 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2044 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2045 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2046 uint32_t blocks_done, resid;
2047 sector_t lba_s = scsi_get_lba(cmd);
2048
2049 /* 2TB boundary case covered automatically with this */
2050 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2051
2052 resid = scsi_bufflen(cmd) - (blocks_done *
2053 cmd->device->sector_size);
2054
2055 scsi_set_resid(cmd, resid);
2056 cmd->result = DID_OK << 16;
2057
2058 /* Update protection tag */
2059 if (scsi_prot_sg_count(cmd)) {
2060 uint32_t i, j = 0, k = 0, num_ent;
2061 struct scatterlist *sg;
2062 struct t10_pi_tuple *spt;
2063
2064 /* Patch the corresponding protection tags */
2065 scsi_for_each_prot_sg(cmd, sg,
2066 scsi_prot_sg_count(cmd), i) {
2067 num_ent = sg_dma_len(sg) / 8;
2068 if (k + num_ent < blocks_done) {
2069 k += num_ent;
2070 continue;
2071 }
2072 j = blocks_done - k - 1;
2073 k = blocks_done;
2074 break;
2075 }
2076
2077 if (k != blocks_done) {
2078 ql_log(ql_log_warn, vha, 0x302f,
2079 "unexpected tag values tag:lba=%x:%llx)\n",
2080 e_ref_tag, (unsigned long long)lba_s);
2081 return 1;
2082 }
2083
2084 spt = page_address(sg_page(sg)) + sg->offset;
2085 spt += j;
2086
2087 spt->app_tag = T10_PI_APP_ESCAPE;
2088 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2089 spt->ref_tag = T10_PI_REF_ESCAPE;
2090 }
2091
2092 return 0;
2093 }
2094
2095 /* check guard */
2096 if (e_guard != a_guard) {
2097 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2098 0x10, 0x1);
2099 set_driver_byte(cmd, DRIVER_SENSE);
2100 set_host_byte(cmd, DID_ABORT);
2101 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2102 return 1;
2103 }
2104
2105 /* check ref tag */
2106 if (e_ref_tag != a_ref_tag) {
2107 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2108 0x10, 0x3);
2109 set_driver_byte(cmd, DRIVER_SENSE);
2110 set_host_byte(cmd, DID_ABORT);
2111 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2112 return 1;
2113 }
2114
2115 /* check appl tag */
2116 if (e_app_tag != a_app_tag) {
2117 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2118 0x10, 0x2);
2119 set_driver_byte(cmd, DRIVER_SENSE);
2120 set_host_byte(cmd, DID_ABORT);
2121 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2122 return 1;
2123 }
2124
2125 return 1;
2126 }
2127
2128 static void
2129 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2130 struct req_que *req, uint32_t index)
2131 {
2132 struct qla_hw_data *ha = vha->hw;
2133 srb_t *sp;
2134 uint16_t comp_status;
2135 uint16_t scsi_status;
2136 uint16_t thread_id;
2137 uint32_t rval = EXT_STATUS_OK;
2138 struct bsg_job *bsg_job = NULL;
2139 struct fc_bsg_request *bsg_request;
2140 struct fc_bsg_reply *bsg_reply;
2141 sts_entry_t *sts;
2142 struct sts_entry_24xx *sts24;
2143 sts = (sts_entry_t *) pkt;
2144 sts24 = (struct sts_entry_24xx *) pkt;
2145
2146 /* Validate handle. */
2147 if (index >= req->num_outstanding_cmds) {
2148 ql_log(ql_log_warn, vha, 0x70af,
2149 "Invalid SCSI completion handle 0x%x.\n", index);
2150 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2151 return;
2152 }
2153
2154 sp = req->outstanding_cmds[index];
2155 if (!sp) {
2156 ql_log(ql_log_warn, vha, 0x70b0,
2157 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2158 req->id, index);
2159
2160 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2161 return;
2162 }
2163
2164 /* Free outstanding command slot. */
2165 req->outstanding_cmds[index] = NULL;
2166 bsg_job = sp->u.bsg_job;
2167 bsg_request = bsg_job->request;
2168 bsg_reply = bsg_job->reply;
2169
2170 if (IS_FWI2_CAPABLE(ha)) {
2171 comp_status = le16_to_cpu(sts24->comp_status);
2172 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2173 } else {
2174 comp_status = le16_to_cpu(sts->comp_status);
2175 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2176 }
2177
2178 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2179 switch (comp_status) {
2180 case CS_COMPLETE:
2181 if (scsi_status == 0) {
2182 bsg_reply->reply_payload_rcv_len =
2183 bsg_job->reply_payload.payload_len;
2184 vha->qla_stats.input_bytes +=
2185 bsg_reply->reply_payload_rcv_len;
2186 vha->qla_stats.input_requests++;
2187 rval = EXT_STATUS_OK;
2188 }
2189 goto done;
2190
2191 case CS_DATA_OVERRUN:
2192 ql_dbg(ql_dbg_user, vha, 0x70b1,
2193 "Command completed with data overrun thread_id=%d\n",
2194 thread_id);
2195 rval = EXT_STATUS_DATA_OVERRUN;
2196 break;
2197
2198 case CS_DATA_UNDERRUN:
2199 ql_dbg(ql_dbg_user, vha, 0x70b2,
2200 "Command completed with data underrun thread_id=%d\n",
2201 thread_id);
2202 rval = EXT_STATUS_DATA_UNDERRUN;
2203 break;
2204 case CS_BIDIR_RD_OVERRUN:
2205 ql_dbg(ql_dbg_user, vha, 0x70b3,
2206 "Command completed with read data overrun thread_id=%d\n",
2207 thread_id);
2208 rval = EXT_STATUS_DATA_OVERRUN;
2209 break;
2210
2211 case CS_BIDIR_RD_WR_OVERRUN:
2212 ql_dbg(ql_dbg_user, vha, 0x70b4,
2213 "Command completed with read and write data overrun "
2214 "thread_id=%d\n", thread_id);
2215 rval = EXT_STATUS_DATA_OVERRUN;
2216 break;
2217
2218 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2219 ql_dbg(ql_dbg_user, vha, 0x70b5,
2220 "Command completed with read data over and write data "
2221 "underrun thread_id=%d\n", thread_id);
2222 rval = EXT_STATUS_DATA_OVERRUN;
2223 break;
2224
2225 case CS_BIDIR_RD_UNDERRUN:
2226 ql_dbg(ql_dbg_user, vha, 0x70b6,
2227 "Command completed with read data underrun "
2228 "thread_id=%d\n", thread_id);
2229 rval = EXT_STATUS_DATA_UNDERRUN;
2230 break;
2231
2232 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2233 ql_dbg(ql_dbg_user, vha, 0x70b7,
2234 "Command completed with read data under and write data "
2235 "overrun thread_id=%d\n", thread_id);
2236 rval = EXT_STATUS_DATA_UNDERRUN;
2237 break;
2238
2239 case CS_BIDIR_RD_WR_UNDERRUN:
2240 ql_dbg(ql_dbg_user, vha, 0x70b8,
2241 "Command completed with read and write data underrun "
2242 "thread_id=%d\n", thread_id);
2243 rval = EXT_STATUS_DATA_UNDERRUN;
2244 break;
2245
2246 case CS_BIDIR_DMA:
2247 ql_dbg(ql_dbg_user, vha, 0x70b9,
2248 "Command completed with data DMA error thread_id=%d\n",
2249 thread_id);
2250 rval = EXT_STATUS_DMA_ERR;
2251 break;
2252
2253 case CS_TIMEOUT:
2254 ql_dbg(ql_dbg_user, vha, 0x70ba,
2255 "Command completed with timeout thread_id=%d\n",
2256 thread_id);
2257 rval = EXT_STATUS_TIMEOUT;
2258 break;
2259 default:
2260 ql_dbg(ql_dbg_user, vha, 0x70bb,
2261 "Command completed with completion status=0x%x "
2262 "thread_id=%d\n", comp_status, thread_id);
2263 rval = EXT_STATUS_ERR;
2264 break;
2265 }
2266 bsg_reply->reply_payload_rcv_len = 0;
2267
2268 done:
2269 /* Return the vendor specific reply to API */
2270 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2271 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2272 /* Always return DID_OK, bsg will send the vendor specific response
2273 * in this case only */
2274 sp->done(sp, DID_OK << 6);
2275
2276 }
2277
2278 /**
2279 * qla2x00_status_entry() - Process a Status IOCB entry.
2280 * @ha: SCSI driver HA context
2281 * @pkt: Entry pointer
2282 */
2283 static void
2284 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2285 {
2286 srb_t *sp;
2287 fc_port_t *fcport;
2288 struct scsi_cmnd *cp;
2289 sts_entry_t *sts;
2290 struct sts_entry_24xx *sts24;
2291 uint16_t comp_status;
2292 uint16_t scsi_status;
2293 uint16_t ox_id;
2294 uint8_t lscsi_status;
2295 int32_t resid;
2296 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2297 fw_resid_len;
2298 uint8_t *rsp_info, *sense_data;
2299 struct qla_hw_data *ha = vha->hw;
2300 uint32_t handle;
2301 uint16_t que;
2302 struct req_que *req;
2303 int logit = 1;
2304 int res = 0;
2305 uint16_t state_flags = 0;
2306 uint16_t retry_delay = 0;
2307 uint8_t no_logout = 0;
2308
2309 sts = (sts_entry_t *) pkt;
2310 sts24 = (struct sts_entry_24xx *) pkt;
2311 if (IS_FWI2_CAPABLE(ha)) {
2312 comp_status = le16_to_cpu(sts24->comp_status);
2313 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2314 state_flags = le16_to_cpu(sts24->state_flags);
2315 } else {
2316 comp_status = le16_to_cpu(sts->comp_status);
2317 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2318 }
2319 handle = (uint32_t) LSW(sts->handle);
2320 que = MSW(sts->handle);
2321 req = ha->req_q_map[que];
2322
2323 /* Check for invalid queue pointer */
2324 if (req == NULL ||
2325 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2326 ql_dbg(ql_dbg_io, vha, 0x3059,
2327 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2328 "que=%u.\n", sts->handle, req, que);
2329 return;
2330 }
2331
2332 /* Validate handle. */
2333 if (handle < req->num_outstanding_cmds) {
2334 sp = req->outstanding_cmds[handle];
2335 if (!sp) {
2336 ql_dbg(ql_dbg_io, vha, 0x3075,
2337 "%s(%ld): Already returned command for status handle (0x%x).\n",
2338 __func__, vha->host_no, sts->handle);
2339 return;
2340 }
2341 } else {
2342 ql_dbg(ql_dbg_io, vha, 0x3017,
2343 "Invalid status handle, out of range (0x%x).\n",
2344 sts->handle);
2345
2346 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2347 if (IS_P3P_TYPE(ha))
2348 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2349 else
2350 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2351 qla2xxx_wake_dpc(vha);
2352 }
2353 return;
2354 }
2355
2356 if (sp->cmd_type != TYPE_SRB) {
2357 req->outstanding_cmds[handle] = NULL;
2358 ql_dbg(ql_dbg_io, vha, 0x3015,
2359 "Unknown sp->cmd_type %x %p).\n",
2360 sp->cmd_type, sp);
2361 return;
2362 }
2363
2364 /* NVME completion. */
2365 if (sp->type == SRB_NVME_CMD) {
2366 qla24xx_nvme_iocb_entry(vha, req, pkt);
2367 return;
2368 }
2369
2370 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2371 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2372 return;
2373 }
2374
2375 /* Task Management completion. */
2376 if (sp->type == SRB_TM_CMD) {
2377 qla24xx_tm_iocb_entry(vha, req, pkt);
2378 return;
2379 }
2380
2381 /* Fast path completion. */
2382 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2383 qla2x00_process_completed_request(vha, req, handle);
2384
2385 return;
2386 }
2387
2388 req->outstanding_cmds[handle] = NULL;
2389 cp = GET_CMD_SP(sp);
2390 if (cp == NULL) {
2391 ql_dbg(ql_dbg_io, vha, 0x3018,
2392 "Command already returned (0x%x/%p).\n",
2393 sts->handle, sp);
2394
2395 return;
2396 }
2397
2398 lscsi_status = scsi_status & STATUS_MASK;
2399
2400 fcport = sp->fcport;
2401
2402 ox_id = 0;
2403 sense_len = par_sense_len = rsp_info_len = resid_len =
2404 fw_resid_len = 0;
2405 if (IS_FWI2_CAPABLE(ha)) {
2406 if (scsi_status & SS_SENSE_LEN_VALID)
2407 sense_len = le32_to_cpu(sts24->sense_len);
2408 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2409 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2410 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2411 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2412 if (comp_status == CS_DATA_UNDERRUN)
2413 fw_resid_len = le32_to_cpu(sts24->residual_len);
2414 rsp_info = sts24->data;
2415 sense_data = sts24->data;
2416 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2417 ox_id = le16_to_cpu(sts24->ox_id);
2418 par_sense_len = sizeof(sts24->data);
2419 /* Valid values of the retry delay timer are 0x1-0xffef */
2420 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2421 retry_delay = sts24->retry_delay;
2422 } else {
2423 if (scsi_status & SS_SENSE_LEN_VALID)
2424 sense_len = le16_to_cpu(sts->req_sense_length);
2425 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2426 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2427 resid_len = le32_to_cpu(sts->residual_length);
2428 rsp_info = sts->rsp_info;
2429 sense_data = sts->req_sense_data;
2430 par_sense_len = sizeof(sts->req_sense_data);
2431 }
2432
2433 /* Check for any FCP transport errors. */
2434 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2435 /* Sense data lies beyond any FCP RESPONSE data. */
2436 if (IS_FWI2_CAPABLE(ha)) {
2437 sense_data += rsp_info_len;
2438 par_sense_len -= rsp_info_len;
2439 }
2440 if (rsp_info_len > 3 && rsp_info[3]) {
2441 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2442 "FCP I/O protocol failure (0x%x/0x%x).\n",
2443 rsp_info_len, rsp_info[3]);
2444
2445 res = DID_BUS_BUSY << 16;
2446 goto out;
2447 }
2448 }
2449
2450 /* Check for overrun. */
2451 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2452 scsi_status & SS_RESIDUAL_OVER)
2453 comp_status = CS_DATA_OVERRUN;
2454
2455 /*
2456 * Check retry_delay_timer value if we receive a busy or
2457 * queue full.
2458 */
2459 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2460 lscsi_status == SAM_STAT_BUSY)
2461 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2462
2463 /*
2464 * Based on Host and scsi status generate status code for Linux
2465 */
2466 switch (comp_status) {
2467 case CS_COMPLETE:
2468 case CS_QUEUE_FULL:
2469 if (scsi_status == 0) {
2470 res = DID_OK << 16;
2471 break;
2472 }
2473 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2474 resid = resid_len;
2475 scsi_set_resid(cp, resid);
2476
2477 if (!lscsi_status &&
2478 ((unsigned)(scsi_bufflen(cp) - resid) <
2479 cp->underflow)) {
2480 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2481 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2482 resid, scsi_bufflen(cp));
2483
2484 res = DID_ERROR << 16;
2485 break;
2486 }
2487 }
2488 res = DID_OK << 16 | lscsi_status;
2489
2490 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2491 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2492 "QUEUE FULL detected.\n");
2493 break;
2494 }
2495 logit = 0;
2496 if (lscsi_status != SS_CHECK_CONDITION)
2497 break;
2498
2499 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2500 if (!(scsi_status & SS_SENSE_LEN_VALID))
2501 break;
2502
2503 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2504 rsp, res);
2505 break;
2506
2507 case CS_DATA_UNDERRUN:
2508 /* Use F/W calculated residual length. */
2509 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2510 scsi_set_resid(cp, resid);
2511 if (scsi_status & SS_RESIDUAL_UNDER) {
2512 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2513 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2514 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2515 resid, scsi_bufflen(cp));
2516
2517 res = DID_ERROR << 16 | lscsi_status;
2518 goto check_scsi_status;
2519 }
2520
2521 if (!lscsi_status &&
2522 ((unsigned)(scsi_bufflen(cp) - resid) <
2523 cp->underflow)) {
2524 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2525 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2526 resid, scsi_bufflen(cp));
2527
2528 res = DID_ERROR << 16;
2529 break;
2530 }
2531 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2532 lscsi_status != SAM_STAT_BUSY) {
2533 /*
2534 * scsi status of task set and busy are considered to be
2535 * task not completed.
2536 */
2537
2538 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2539 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2540 resid, scsi_bufflen(cp));
2541
2542 res = DID_ERROR << 16 | lscsi_status;
2543 goto check_scsi_status;
2544 } else {
2545 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2546 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2547 scsi_status, lscsi_status);
2548 }
2549
2550 res = DID_OK << 16 | lscsi_status;
2551 logit = 0;
2552
2553 check_scsi_status:
2554 /*
2555 * Check to see if SCSI Status is non zero. If so report SCSI
2556 * Status.
2557 */
2558 if (lscsi_status != 0) {
2559 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2560 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2561 "QUEUE FULL detected.\n");
2562 logit = 1;
2563 break;
2564 }
2565 if (lscsi_status != SS_CHECK_CONDITION)
2566 break;
2567
2568 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2569 if (!(scsi_status & SS_SENSE_LEN_VALID))
2570 break;
2571
2572 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2573 sense_len, rsp, res);
2574 }
2575 break;
2576
2577 case CS_PORT_LOGGED_OUT:
2578 no_logout = 1;
2579 case CS_PORT_CONFIG_CHG:
2580 case CS_PORT_BUSY:
2581 case CS_INCOMPLETE:
2582 case CS_PORT_UNAVAILABLE:
2583 case CS_TIMEOUT:
2584 case CS_RESET:
2585
2586 /*
2587 * We are going to have the fc class block the rport
2588 * while we try to recover so instruct the mid layer
2589 * to requeue until the class decides how to handle this.
2590 */
2591 res = DID_TRANSPORT_DISRUPTED << 16;
2592
2593 if (comp_status == CS_TIMEOUT) {
2594 if (IS_FWI2_CAPABLE(ha))
2595 break;
2596 else if ((le16_to_cpu(sts->status_flags) &
2597 SF_LOGOUT_SENT) == 0)
2598 break;
2599 }
2600
2601 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2602 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2603 "Port to be marked lost on fcport=%02x%02x%02x, current "
2604 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2605 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2606 port_state_str[atomic_read(&fcport->state)],
2607 comp_status);
2608
2609 if (no_logout)
2610 fcport->logout_on_delete = 0;
2611
2612 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2613 qlt_schedule_sess_for_deletion_lock(fcport);
2614 }
2615
2616 break;
2617
2618 case CS_ABORTED:
2619 res = DID_RESET << 16;
2620 break;
2621
2622 case CS_DIF_ERROR:
2623 logit = qla2x00_handle_dif_error(sp, sts24);
2624 res = cp->result;
2625 break;
2626
2627 case CS_TRANSPORT:
2628 res = DID_ERROR << 16;
2629
2630 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2631 break;
2632
2633 if (state_flags & BIT_4)
2634 scmd_printk(KERN_WARNING, cp,
2635 "Unsupported device '%s' found.\n",
2636 cp->device->vendor);
2637 break;
2638
2639 default:
2640 res = DID_ERROR << 16;
2641 break;
2642 }
2643
2644 out:
2645 if (logit)
2646 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2647 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2648 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2649 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2650 comp_status, scsi_status, res, vha->host_no,
2651 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2652 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2653 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2654 resid_len, fw_resid_len, sp, cp);
2655
2656 if (rsp->status_srb == NULL)
2657 sp->done(sp, res);
2658 }
2659
2660 /**
2661 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2662 * @ha: SCSI driver HA context
2663 * @pkt: Entry pointer
2664 *
2665 * Extended sense data.
2666 */
2667 static void
2668 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2669 {
2670 uint8_t sense_sz = 0;
2671 struct qla_hw_data *ha = rsp->hw;
2672 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2673 srb_t *sp = rsp->status_srb;
2674 struct scsi_cmnd *cp;
2675 uint32_t sense_len;
2676 uint8_t *sense_ptr;
2677
2678 if (!sp || !GET_CMD_SENSE_LEN(sp))
2679 return;
2680
2681 sense_len = GET_CMD_SENSE_LEN(sp);
2682 sense_ptr = GET_CMD_SENSE_PTR(sp);
2683
2684 cp = GET_CMD_SP(sp);
2685 if (cp == NULL) {
2686 ql_log(ql_log_warn, vha, 0x3025,
2687 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2688
2689 rsp->status_srb = NULL;
2690 return;
2691 }
2692
2693 if (sense_len > sizeof(pkt->data))
2694 sense_sz = sizeof(pkt->data);
2695 else
2696 sense_sz = sense_len;
2697
2698 /* Move sense data. */
2699 if (IS_FWI2_CAPABLE(ha))
2700 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2701 memcpy(sense_ptr, pkt->data, sense_sz);
2702 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2703 sense_ptr, sense_sz);
2704
2705 sense_len -= sense_sz;
2706 sense_ptr += sense_sz;
2707
2708 SET_CMD_SENSE_PTR(sp, sense_ptr);
2709 SET_CMD_SENSE_LEN(sp, sense_len);
2710
2711 /* Place command on done queue. */
2712 if (sense_len == 0) {
2713 rsp->status_srb = NULL;
2714 sp->done(sp, cp->result);
2715 }
2716 }
2717
2718 /**
2719 * qla2x00_error_entry() - Process an error entry.
2720 * @ha: SCSI driver HA context
2721 * @pkt: Entry pointer
2722 * return : 1=allow further error analysis. 0=no additional error analysis.
2723 */
2724 static int
2725 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2726 {
2727 srb_t *sp;
2728 struct qla_hw_data *ha = vha->hw;
2729 const char func[] = "ERROR-IOCB";
2730 uint16_t que = MSW(pkt->handle);
2731 struct req_que *req = NULL;
2732 int res = DID_ERROR << 16;
2733
2734 ql_dbg(ql_dbg_async, vha, 0x502a,
2735 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2736 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2737
2738 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2739 goto fatal;
2740
2741 req = ha->req_q_map[que];
2742
2743 if (pkt->entry_status & RF_BUSY)
2744 res = DID_BUS_BUSY << 16;
2745
2746 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2747 return 0;
2748
2749 switch (pkt->entry_type) {
2750 case NOTIFY_ACK_TYPE:
2751 case STATUS_TYPE:
2752 case STATUS_CONT_TYPE:
2753 case LOGINOUT_PORT_IOCB_TYPE:
2754 case CT_IOCB_TYPE:
2755 case ELS_IOCB_TYPE:
2756 case ABORT_IOCB_TYPE:
2757 case MBX_IOCB_TYPE:
2758 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2759 if (sp) {
2760 sp->done(sp, res);
2761 return 0;
2762 }
2763 break;
2764
2765 case ABTS_RESP_24XX:
2766 case CTIO_TYPE7:
2767 case CTIO_CRC2:
2768 default:
2769 return 1;
2770 }
2771 fatal:
2772 ql_log(ql_log_warn, vha, 0x5030,
2773 "Error entry - invalid handle/queue (%04x).\n", que);
2774 return 0;
2775 }
2776
2777 /**
2778 * qla24xx_mbx_completion() - Process mailbox command completions.
2779 * @ha: SCSI driver HA context
2780 * @mb0: Mailbox0 register
2781 */
2782 static void
2783 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2784 {
2785 uint16_t cnt;
2786 uint32_t mboxes;
2787 uint16_t __iomem *wptr;
2788 struct qla_hw_data *ha = vha->hw;
2789 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2790
2791 /* Read all mbox registers? */
2792 mboxes = (1 << ha->mbx_count) - 1;
2793 if (!ha->mcp)
2794 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2795 else
2796 mboxes = ha->mcp->in_mb;
2797
2798 /* Load return mailbox registers. */
2799 ha->flags.mbox_int = 1;
2800 ha->mailbox_out[0] = mb0;
2801 mboxes >>= 1;
2802 wptr = (uint16_t __iomem *)&reg->mailbox1;
2803
2804 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2805 if (mboxes & BIT_0)
2806 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2807
2808 mboxes >>= 1;
2809 wptr++;
2810 }
2811 }
2812
2813 static void
2814 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2815 struct abort_entry_24xx *pkt)
2816 {
2817 const char func[] = "ABT_IOCB";
2818 srb_t *sp;
2819 struct srb_iocb *abt;
2820
2821 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2822 if (!sp)
2823 return;
2824
2825 abt = &sp->u.iocb_cmd;
2826 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2827 sp->done(sp, 0);
2828 }
2829
2830 void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *vha, struct pt_ls4_request *pkt,
2831 struct req_que *req)
2832 {
2833 srb_t *sp;
2834 const char func[] = "LS4_IOCB";
2835 uint16_t comp_status;
2836
2837 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2838 if (!sp)
2839 return;
2840
2841 comp_status = le16_to_cpu(pkt->status);
2842 sp->done(sp, comp_status);
2843 }
2844
2845 /**
2846 * qla24xx_process_response_queue() - Process response queue entries.
2847 * @ha: SCSI driver HA context
2848 */
2849 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2850 struct rsp_que *rsp)
2851 {
2852 struct sts_entry_24xx *pkt;
2853 struct qla_hw_data *ha = vha->hw;
2854
2855 if (!ha->flags.fw_started)
2856 return;
2857
2858 if (rsp->qpair->cpuid != smp_processor_id())
2859 qla_cpu_update(rsp->qpair, smp_processor_id());
2860
2861 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2862 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2863
2864 rsp->ring_index++;
2865 if (rsp->ring_index == rsp->length) {
2866 rsp->ring_index = 0;
2867 rsp->ring_ptr = rsp->ring;
2868 } else {
2869 rsp->ring_ptr++;
2870 }
2871
2872 if (pkt->entry_status != 0) {
2873 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2874 goto process_err;
2875
2876 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2877 wmb();
2878 continue;
2879 }
2880 process_err:
2881
2882 switch (pkt->entry_type) {
2883 case STATUS_TYPE:
2884 qla2x00_status_entry(vha, rsp, pkt);
2885 break;
2886 case STATUS_CONT_TYPE:
2887 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2888 break;
2889 case VP_RPT_ID_IOCB_TYPE:
2890 qla24xx_report_id_acquisition(vha,
2891 (struct vp_rpt_id_entry_24xx *)pkt);
2892 break;
2893 case LOGINOUT_PORT_IOCB_TYPE:
2894 qla24xx_logio_entry(vha, rsp->req,
2895 (struct logio_entry_24xx *)pkt);
2896 break;
2897 case CT_IOCB_TYPE:
2898 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2899 break;
2900 case ELS_IOCB_TYPE:
2901 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2902 break;
2903 case ABTS_RECV_24XX:
2904 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2905 /* ensure that the ATIO queue is empty */
2906 qlt_handle_abts_recv(vha, rsp,
2907 (response_t *)pkt);
2908 break;
2909 } else {
2910 /* drop through */
2911 qlt_24xx_process_atio_queue(vha, 1);
2912 }
2913 case ABTS_RESP_24XX:
2914 case CTIO_TYPE7:
2915 case CTIO_CRC2:
2916 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
2917 break;
2918 case PT_LS4_REQUEST:
2919 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
2920 rsp->req);
2921 break;
2922 case NOTIFY_ACK_TYPE:
2923 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
2924 qlt_response_pkt_all_vps(vha, rsp,
2925 (response_t *)pkt);
2926 else
2927 qla24xxx_nack_iocb_entry(vha, rsp->req,
2928 (struct nack_to_isp *)pkt);
2929 break;
2930 case MARKER_TYPE:
2931 /* Do nothing in this case, this check is to prevent it
2932 * from falling into default case
2933 */
2934 break;
2935 case ABORT_IOCB_TYPE:
2936 qla24xx_abort_iocb_entry(vha, rsp->req,
2937 (struct abort_entry_24xx *)pkt);
2938 break;
2939 case MBX_IOCB_TYPE:
2940 qla24xx_mbx_iocb_entry(vha, rsp->req,
2941 (struct mbx_24xx_entry *)pkt);
2942 break;
2943 default:
2944 /* Type Not Supported. */
2945 ql_dbg(ql_dbg_async, vha, 0x5042,
2946 "Received unknown response pkt type %x "
2947 "entry status=%x.\n",
2948 pkt->entry_type, pkt->entry_status);
2949 break;
2950 }
2951 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2952 wmb();
2953 }
2954
2955 /* Adjust ring index */
2956 if (IS_P3P_TYPE(ha)) {
2957 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2958 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2959 } else {
2960 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2961 }
2962 }
2963
2964 static void
2965 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
2966 {
2967 int rval;
2968 uint32_t cnt;
2969 struct qla_hw_data *ha = vha->hw;
2970 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2971
2972 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2973 !IS_QLA27XX(ha))
2974 return;
2975
2976 rval = QLA_SUCCESS;
2977 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2978 RD_REG_DWORD(&reg->iobase_addr);
2979 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2980 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2981 rval == QLA_SUCCESS; cnt--) {
2982 if (cnt) {
2983 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2984 udelay(10);
2985 } else
2986 rval = QLA_FUNCTION_TIMEOUT;
2987 }
2988 if (rval == QLA_SUCCESS)
2989 goto next_test;
2990
2991 rval = QLA_SUCCESS;
2992 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2993 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2994 rval == QLA_SUCCESS; cnt--) {
2995 if (cnt) {
2996 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2997 udelay(10);
2998 } else
2999 rval = QLA_FUNCTION_TIMEOUT;
3000 }
3001 if (rval != QLA_SUCCESS)
3002 goto done;
3003
3004 next_test:
3005 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
3006 ql_log(ql_log_info, vha, 0x504c,
3007 "Additional code -- 0x55AA.\n");
3008
3009 done:
3010 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3011 RD_REG_DWORD(&reg->iobase_window);
3012 }
3013
3014 /**
3015 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3016 * @irq:
3017 * @dev_id: SCSI driver HA context
3018 *
3019 * Called by system whenever the host adapter generates an interrupt.
3020 *
3021 * Returns handled flag.
3022 */
3023 irqreturn_t
3024 qla24xx_intr_handler(int irq, void *dev_id)
3025 {
3026 scsi_qla_host_t *vha;
3027 struct qla_hw_data *ha;
3028 struct device_reg_24xx __iomem *reg;
3029 int status;
3030 unsigned long iter;
3031 uint32_t stat;
3032 uint32_t hccr;
3033 uint16_t mb[8];
3034 struct rsp_que *rsp;
3035 unsigned long flags;
3036
3037 rsp = (struct rsp_que *) dev_id;
3038 if (!rsp) {
3039 ql_log(ql_log_info, NULL, 0x5059,
3040 "%s: NULL response queue pointer.\n", __func__);
3041 return IRQ_NONE;
3042 }
3043
3044 ha = rsp->hw;
3045 reg = &ha->iobase->isp24;
3046 status = 0;
3047
3048 if (unlikely(pci_channel_offline(ha->pdev)))
3049 return IRQ_HANDLED;
3050
3051 spin_lock_irqsave(&ha->hardware_lock, flags);
3052 vha = pci_get_drvdata(ha->pdev);
3053 for (iter = 50; iter--; ) {
3054 stat = RD_REG_DWORD(&reg->host_status);
3055 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3056 break;
3057 if (stat & HSRX_RISC_PAUSED) {
3058 if (unlikely(pci_channel_offline(ha->pdev)))
3059 break;
3060
3061 hccr = RD_REG_DWORD(&reg->hccr);
3062
3063 ql_log(ql_log_warn, vha, 0x504b,
3064 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3065 hccr);
3066
3067 qla2xxx_check_risc_status(vha);
3068
3069 ha->isp_ops->fw_dump(vha, 1);
3070 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3071 break;
3072 } else if ((stat & HSRX_RISC_INT) == 0)
3073 break;
3074
3075 switch (stat & 0xff) {
3076 case INTR_ROM_MB_SUCCESS:
3077 case INTR_ROM_MB_FAILED:
3078 case INTR_MB_SUCCESS:
3079 case INTR_MB_FAILED:
3080 qla24xx_mbx_completion(vha, MSW(stat));
3081 status |= MBX_INTERRUPT;
3082
3083 break;
3084 case INTR_ASYNC_EVENT:
3085 mb[0] = MSW(stat);
3086 mb[1] = RD_REG_WORD(&reg->mailbox1);
3087 mb[2] = RD_REG_WORD(&reg->mailbox2);
3088 mb[3] = RD_REG_WORD(&reg->mailbox3);
3089 qla2x00_async_event(vha, rsp, mb);
3090 break;
3091 case INTR_RSP_QUE_UPDATE:
3092 case INTR_RSP_QUE_UPDATE_83XX:
3093 qla24xx_process_response_queue(vha, rsp);
3094 break;
3095 case INTR_ATIO_QUE_UPDATE:{
3096 unsigned long flags2;
3097 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3098 qlt_24xx_process_atio_queue(vha, 1);
3099 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3100 break;
3101 }
3102 case INTR_ATIO_RSP_QUE_UPDATE: {
3103 unsigned long flags2;
3104 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3105 qlt_24xx_process_atio_queue(vha, 1);
3106 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3107
3108 qla24xx_process_response_queue(vha, rsp);
3109 break;
3110 }
3111 default:
3112 ql_dbg(ql_dbg_async, vha, 0x504f,
3113 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3114 break;
3115 }
3116 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3117 RD_REG_DWORD_RELAXED(&reg->hccr);
3118 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3119 ndelay(3500);
3120 }
3121 qla2x00_handle_mbx_completion(ha, status);
3122 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3123
3124 return IRQ_HANDLED;
3125 }
3126
3127 static irqreturn_t
3128 qla24xx_msix_rsp_q(int irq, void *dev_id)
3129 {
3130 struct qla_hw_data *ha;
3131 struct rsp_que *rsp;
3132 struct device_reg_24xx __iomem *reg;
3133 struct scsi_qla_host *vha;
3134 unsigned long flags;
3135 uint32_t stat = 0;
3136
3137 rsp = (struct rsp_que *) dev_id;
3138 if (!rsp) {
3139 ql_log(ql_log_info, NULL, 0x505a,
3140 "%s: NULL response queue pointer.\n", __func__);
3141 return IRQ_NONE;
3142 }
3143 ha = rsp->hw;
3144 reg = &ha->iobase->isp24;
3145
3146 spin_lock_irqsave(&ha->hardware_lock, flags);
3147
3148 vha = pci_get_drvdata(ha->pdev);
3149 /*
3150 * Use host_status register to check to PCI disconnection before we
3151 * we process the response queue.
3152 */
3153 stat = RD_REG_DWORD(&reg->host_status);
3154 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3155 goto out;
3156 qla24xx_process_response_queue(vha, rsp);
3157 if (!ha->flags.disable_msix_handshake) {
3158 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3159 RD_REG_DWORD_RELAXED(&reg->hccr);
3160 }
3161 out:
3162 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3163
3164 return IRQ_HANDLED;
3165 }
3166
3167 static irqreturn_t
3168 qla24xx_msix_default(int irq, void *dev_id)
3169 {
3170 scsi_qla_host_t *vha;
3171 struct qla_hw_data *ha;
3172 struct rsp_que *rsp;
3173 struct device_reg_24xx __iomem *reg;
3174 int status;
3175 uint32_t stat;
3176 uint32_t hccr;
3177 uint16_t mb[8];
3178 unsigned long flags;
3179
3180 rsp = (struct rsp_que *) dev_id;
3181 if (!rsp) {
3182 ql_log(ql_log_info, NULL, 0x505c,
3183 "%s: NULL response queue pointer.\n", __func__);
3184 return IRQ_NONE;
3185 }
3186 ha = rsp->hw;
3187 reg = &ha->iobase->isp24;
3188 status = 0;
3189
3190 spin_lock_irqsave(&ha->hardware_lock, flags);
3191 vha = pci_get_drvdata(ha->pdev);
3192 do {
3193 stat = RD_REG_DWORD(&reg->host_status);
3194 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3195 break;
3196 if (stat & HSRX_RISC_PAUSED) {
3197 if (unlikely(pci_channel_offline(ha->pdev)))
3198 break;
3199
3200 hccr = RD_REG_DWORD(&reg->hccr);
3201
3202 ql_log(ql_log_info, vha, 0x5050,
3203 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3204 hccr);
3205
3206 qla2xxx_check_risc_status(vha);
3207
3208 ha->isp_ops->fw_dump(vha, 1);
3209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3210 break;
3211 } else if ((stat & HSRX_RISC_INT) == 0)
3212 break;
3213
3214 switch (stat & 0xff) {
3215 case INTR_ROM_MB_SUCCESS:
3216 case INTR_ROM_MB_FAILED:
3217 case INTR_MB_SUCCESS:
3218 case INTR_MB_FAILED:
3219 qla24xx_mbx_completion(vha, MSW(stat));
3220 status |= MBX_INTERRUPT;
3221
3222 break;
3223 case INTR_ASYNC_EVENT:
3224 mb[0] = MSW(stat);
3225 mb[1] = RD_REG_WORD(&reg->mailbox1);
3226 mb[2] = RD_REG_WORD(&reg->mailbox2);
3227 mb[3] = RD_REG_WORD(&reg->mailbox3);
3228 qla2x00_async_event(vha, rsp, mb);
3229 break;
3230 case INTR_RSP_QUE_UPDATE:
3231 case INTR_RSP_QUE_UPDATE_83XX:
3232 qla24xx_process_response_queue(vha, rsp);
3233 break;
3234 case INTR_ATIO_QUE_UPDATE:{
3235 unsigned long flags2;
3236 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3237 qlt_24xx_process_atio_queue(vha, 1);
3238 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3239 break;
3240 }
3241 case INTR_ATIO_RSP_QUE_UPDATE: {
3242 unsigned long flags2;
3243 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3244 qlt_24xx_process_atio_queue(vha, 1);
3245 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3246
3247 qla24xx_process_response_queue(vha, rsp);
3248 break;
3249 }
3250 default:
3251 ql_dbg(ql_dbg_async, vha, 0x5051,
3252 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3253 break;
3254 }
3255 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3256 } while (0);
3257 qla2x00_handle_mbx_completion(ha, status);
3258 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3259
3260 return IRQ_HANDLED;
3261 }
3262
3263 irqreturn_t
3264 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3265 {
3266 struct qla_hw_data *ha;
3267 struct qla_qpair *qpair;
3268 struct device_reg_24xx __iomem *reg;
3269 unsigned long flags;
3270
3271 qpair = dev_id;
3272 if (!qpair) {
3273 ql_log(ql_log_info, NULL, 0x505b,
3274 "%s: NULL response queue pointer.\n", __func__);
3275 return IRQ_NONE;
3276 }
3277 ha = qpair->hw;
3278
3279 /* Clear the interrupt, if enabled, for this response queue */
3280 if (unlikely(!ha->flags.disable_msix_handshake)) {
3281 reg = &ha->iobase->isp24;
3282 spin_lock_irqsave(&ha->hardware_lock, flags);
3283 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3284 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3285 }
3286
3287 queue_work(ha->wq, &qpair->q_work);
3288
3289 return IRQ_HANDLED;
3290 }
3291
3292 /* Interrupt handling helpers. */
3293
3294 struct qla_init_msix_entry {
3295 const char *name;
3296 irq_handler_t handler;
3297 };
3298
3299 static const struct qla_init_msix_entry msix_entries[] = {
3300 { "default", qla24xx_msix_default },
3301 { "rsp_q", qla24xx_msix_rsp_q },
3302 { "atio_q", qla83xx_msix_atio_q },
3303 { "qpair_multiq", qla2xxx_msix_rsp_q },
3304 };
3305
3306 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3307 { "qla2xxx (default)", qla82xx_msix_default },
3308 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3309 };
3310
3311 static int
3312 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3313 {
3314 int i, ret;
3315 struct qla_msix_entry *qentry;
3316 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3317 int min_vecs = QLA_BASE_VECTORS;
3318 struct irq_affinity desc = {
3319 .pre_vectors = QLA_BASE_VECTORS,
3320 };
3321
3322 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3323 desc.pre_vectors++;
3324 min_vecs++;
3325 }
3326
3327 if (USER_CTRL_IRQ(ha)) {
3328 /* user wants to control IRQ setting for target mode */
3329 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3330 ha->msix_count, PCI_IRQ_MSIX);
3331 } else
3332 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3333 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3334 &desc);
3335
3336 if (ret < 0) {
3337 ql_log(ql_log_fatal, vha, 0x00c7,
3338 "MSI-X: Failed to enable support, "
3339 "giving up -- %d/%d.\n",
3340 ha->msix_count, ret);
3341 goto msix_out;
3342 } else if (ret < ha->msix_count) {
3343 ql_log(ql_log_warn, vha, 0x00c6,
3344 "MSI-X: Failed to enable support "
3345 "with %d vectors, using %d vectors.\n",
3346 ha->msix_count, ret);
3347 ha->msix_count = ret;
3348 /* Recalculate queue values */
3349 if (ha->mqiobase && ql2xmqsupport) {
3350 ha->max_req_queues = ha->msix_count - 1;
3351
3352 /* ATIOQ needs 1 vector. That's 1 less QPair */
3353 if (QLA_TGT_MODE_ENABLED())
3354 ha->max_req_queues--;
3355
3356 ha->max_rsp_queues = ha->max_req_queues;
3357
3358 ha->max_qpairs = ha->max_req_queues - 1;
3359 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3360 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3361 }
3362 }
3363 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3364 ha->msix_count, GFP_KERNEL);
3365 if (!ha->msix_entries) {
3366 ql_log(ql_log_fatal, vha, 0x00c8,
3367 "Failed to allocate memory for ha->msix_entries.\n");
3368 ret = -ENOMEM;
3369 goto msix_out;
3370 }
3371 ha->flags.msix_enabled = 1;
3372
3373 for (i = 0; i < ha->msix_count; i++) {
3374 qentry = &ha->msix_entries[i];
3375 qentry->vector = pci_irq_vector(ha->pdev, i);
3376 qentry->entry = i;
3377 qentry->have_irq = 0;
3378 qentry->in_use = 0;
3379 qentry->handle = NULL;
3380 }
3381
3382 /* Enable MSI-X vectors for the base queue */
3383 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3384 qentry = &ha->msix_entries[i];
3385 qentry->handle = rsp;
3386 rsp->msix = qentry;
3387 scnprintf(qentry->name, sizeof(qentry->name),
3388 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3389 if (IS_P3P_TYPE(ha))
3390 ret = request_irq(qentry->vector,
3391 qla82xx_msix_entries[i].handler,
3392 0, qla82xx_msix_entries[i].name, rsp);
3393 else
3394 ret = request_irq(qentry->vector,
3395 msix_entries[i].handler,
3396 0, qentry->name, rsp);
3397 if (ret)
3398 goto msix_register_fail;
3399 qentry->have_irq = 1;
3400 qentry->in_use = 1;
3401 }
3402
3403 /*
3404 * If target mode is enable, also request the vector for the ATIO
3405 * queue.
3406 */
3407 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3408 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3409 rsp->msix = qentry;
3410 qentry->handle = rsp;
3411 scnprintf(qentry->name, sizeof(qentry->name),
3412 "qla2xxx%lu_%s", vha->host_no,
3413 msix_entries[QLA_ATIO_VECTOR].name);
3414 qentry->in_use = 1;
3415 ret = request_irq(qentry->vector,
3416 msix_entries[QLA_ATIO_VECTOR].handler,
3417 0, qentry->name, rsp);
3418 qentry->have_irq = 1;
3419 }
3420
3421 msix_register_fail:
3422 if (ret) {
3423 ql_log(ql_log_fatal, vha, 0x00cb,
3424 "MSI-X: unable to register handler -- %x/%d.\n",
3425 qentry->vector, ret);
3426 qla2x00_free_irqs(vha);
3427 ha->mqenable = 0;
3428 goto msix_out;
3429 }
3430
3431 /* Enable MSI-X vector for response queue update for queue 0 */
3432 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3433 if (ha->msixbase && ha->mqiobase &&
3434 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3435 ql2xmqsupport))
3436 ha->mqenable = 1;
3437 } else
3438 if (ha->mqiobase &&
3439 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3440 ql2xmqsupport))
3441 ha->mqenable = 1;
3442 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3443 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3444 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3445 ql_dbg(ql_dbg_init, vha, 0x0055,
3446 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3447 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3448
3449 msix_out:
3450 return ret;
3451 }
3452
3453 int
3454 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3455 {
3456 int ret = QLA_FUNCTION_FAILED;
3457 device_reg_t *reg = ha->iobase;
3458 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3459
3460 /* If possible, enable MSI-X. */
3461 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3462 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3463 !IS_QLA27XX(ha))
3464 goto skip_msi;
3465
3466 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3467 (ha->pdev->subsystem_device == 0x7040 ||
3468 ha->pdev->subsystem_device == 0x7041 ||
3469 ha->pdev->subsystem_device == 0x1705)) {
3470 ql_log(ql_log_warn, vha, 0x0034,
3471 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3472 ha->pdev->subsystem_vendor,
3473 ha->pdev->subsystem_device);
3474 goto skip_msi;
3475 }
3476
3477 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3478 ql_log(ql_log_warn, vha, 0x0035,
3479 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3480 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3481 goto skip_msix;
3482 }
3483
3484 ret = qla24xx_enable_msix(ha, rsp);
3485 if (!ret) {
3486 ql_dbg(ql_dbg_init, vha, 0x0036,
3487 "MSI-X: Enabled (0x%X, 0x%X).\n",
3488 ha->chip_revision, ha->fw_attributes);
3489 goto clear_risc_ints;
3490 }
3491
3492 skip_msix:
3493
3494 ql_log(ql_log_info, vha, 0x0037,
3495 "Falling back-to MSI mode -%d.\n", ret);
3496
3497 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3498 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3499 !IS_QLA27XX(ha))
3500 goto skip_msi;
3501
3502 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3503 if (!ret) {
3504 ql_dbg(ql_dbg_init, vha, 0x0038,
3505 "MSI: Enabled.\n");
3506 ha->flags.msi_enabled = 1;
3507 } else
3508 ql_log(ql_log_warn, vha, 0x0039,
3509 "Falling back-to INTa mode -- %d.\n", ret);
3510 skip_msi:
3511
3512 /* Skip INTx on ISP82xx. */
3513 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3514 return QLA_FUNCTION_FAILED;
3515
3516 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3517 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3518 QLA2XXX_DRIVER_NAME, rsp);
3519 if (ret) {
3520 ql_log(ql_log_warn, vha, 0x003a,
3521 "Failed to reserve interrupt %d already in use.\n",
3522 ha->pdev->irq);
3523 goto fail;
3524 } else if (!ha->flags.msi_enabled) {
3525 ql_dbg(ql_dbg_init, vha, 0x0125,
3526 "INTa mode: Enabled.\n");
3527 ha->flags.mr_intr_valid = 1;
3528 }
3529
3530 clear_risc_ints:
3531 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3532 goto fail;
3533
3534 spin_lock_irq(&ha->hardware_lock);
3535 WRT_REG_WORD(&reg->isp.semaphore, 0);
3536 spin_unlock_irq(&ha->hardware_lock);
3537
3538 fail:
3539 return ret;
3540 }
3541
3542 void
3543 qla2x00_free_irqs(scsi_qla_host_t *vha)
3544 {
3545 struct qla_hw_data *ha = vha->hw;
3546 struct rsp_que *rsp;
3547 struct qla_msix_entry *qentry;
3548 int i;
3549
3550 /*
3551 * We need to check that ha->rsp_q_map is valid in case we are called
3552 * from a probe failure context.
3553 */
3554 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3555 goto free_irqs;
3556 rsp = ha->rsp_q_map[0];
3557
3558 if (ha->flags.msix_enabled) {
3559 for (i = 0; i < ha->msix_count; i++) {
3560 qentry = &ha->msix_entries[i];
3561 if (qentry->have_irq) {
3562 irq_set_affinity_notifier(qentry->vector, NULL);
3563 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3564 }
3565 }
3566 kfree(ha->msix_entries);
3567 ha->msix_entries = NULL;
3568 ha->flags.msix_enabled = 0;
3569 ql_dbg(ql_dbg_init, vha, 0x0042,
3570 "Disabled MSI-X.\n");
3571 } else {
3572 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3573 }
3574
3575 free_irqs:
3576 pci_free_irq_vectors(ha->pdev);
3577 }
3578
3579 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3580 struct qla_msix_entry *msix, int vector_type)
3581 {
3582 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3583 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3584 int ret;
3585
3586 scnprintf(msix->name, sizeof(msix->name),
3587 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3588 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3589 if (ret) {
3590 ql_log(ql_log_fatal, vha, 0x00e6,
3591 "MSI-X: Unable to register handler -- %x/%d.\n",
3592 msix->vector, ret);
3593 return ret;
3594 }
3595 msix->have_irq = 1;
3596 msix->handle = qpair;
3597 return ret;
3598 }
Linux with added FPC-III support