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[mirror_ubuntu-hirsute-kernel.git] / drivers / scsi / qla2xxx / qla_isr.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/cpu.h>
13 #include <linux/t10-pi.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsi_bsg_fc.h>
16 #include <scsi/scsi_eh.h>
17 #include <scsi/fc/fc_fs.h>
18 #include <linux/nvme-fc-driver.h>
19
20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25
26 /**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq:
29 * @dev_id: SCSI driver HA context
30 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35 irqreturn_t
36 qla2100_intr_handler(int irq, void *dev_id)
37 {
38 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
40 struct device_reg_2xxx __iomem *reg;
41 int status;
42 unsigned long iter;
43 uint16_t hccr;
44 uint16_t mb[4];
45 struct rsp_que *rsp;
46 unsigned long flags;
47
48 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
50 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
52 return (IRQ_NONE);
53 }
54
55 ha = rsp->hw;
56 reg = &ha->iobase->isp;
57 status = 0;
58
59 spin_lock_irqsave(&ha->hardware_lock, flags);
60 vha = pci_get_drvdata(ha->pdev);
61 for (iter = 50; iter--; ) {
62 hccr = RD_REG_WORD(&reg->hccr);
63 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
64 break;
65 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
71 * bit to be cleared. Schedule a big hammer to get
72 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(&reg->hccr);
76
77 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
79 break;
80 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
81 break;
82
83 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
84 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(&reg->hccr);
86
87 /* Get mailbox data. */
88 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
90 qla2x00_mbx_completion(vha, mb[0]);
91 status |= MBX_INTERRUPT;
92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
96 qla2x00_async_event(vha, rsp, mb);
97 } else {
98 /*EMPTY*/
99 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(&reg->semaphore, 0);
105 RD_REG_WORD(&reg->semaphore);
106 } else {
107 qla2x00_process_response_queue(rsp);
108
109 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(&reg->hccr);
111 }
112 }
113 qla2x00_handle_mbx_completion(ha, status);
114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
115
116 return (IRQ_HANDLED);
117 }
118
119 bool
120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
121 {
122 /* Check for PCI disconnection */
123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
134 return true;
135 } else
136 return false;
137 }
138
139 bool
140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141 {
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143 }
144
145 /**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq:
148 * @dev_id: SCSI driver HA context
149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154 irqreturn_t
155 qla2300_intr_handler(int irq, void *dev_id)
156 {
157 scsi_qla_host_t *vha;
158 struct device_reg_2xxx __iomem *reg;
159 int status;
160 unsigned long iter;
161 uint32_t stat;
162 uint16_t hccr;
163 uint16_t mb[4];
164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
166 unsigned long flags;
167
168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
172 return (IRQ_NONE);
173 }
174
175 ha = rsp->hw;
176 reg = &ha->iobase->isp;
177 status = 0;
178
179 spin_lock_irqsave(&ha->hardware_lock, flags);
180 vha = pci_get_drvdata(ha->pdev);
181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
184 break;
185 if (stat & HSR_RISC_PAUSED) {
186 if (unlikely(pci_channel_offline(ha->pdev)))
187 break;
188
189 hccr = RD_REG_WORD(&reg->hccr);
190
191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
195 else
196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
203 * hammer to get out of the RISC PAUSED state.
204 */
205 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(&reg->hccr);
207
208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
214 switch (stat & 0xff) {
215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
219 qla2x00_mbx_completion(vha, MSW(stat));
220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(&reg->semaphore, 0);
224 break;
225 case 0x12:
226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
230 qla2x00_async_event(vha, rsp, mb);
231 break;
232 case 0x13:
233 qla2x00_process_response_queue(rsp);
234 break;
235 case 0x15:
236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x16:
241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
244 qla2x00_async_event(vha, rsp, mb);
245 break;
246 default:
247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
249 break;
250 }
251 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(&reg->hccr);
253 }
254 qla2x00_handle_mbx_completion(ha, status);
255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
256
257 return (IRQ_HANDLED);
258 }
259
260 /**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
262 * @vha: SCSI driver HA context
263 * @mb0: Mailbox0 register
264 */
265 static void
266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
267 {
268 uint16_t cnt;
269 uint32_t mboxes;
270 uint16_t __iomem *wptr;
271 struct qla_hw_data *ha = vha->hw;
272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
273
274 /* Read all mbox registers? */
275 WARN_ON_ONCE(ha->mbx_count > 32);
276 mboxes = (1ULL << ha->mbx_count) - 1;
277 if (!ha->mcp)
278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
279 else
280 mboxes = ha->mcp->in_mb;
281
282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
285 mboxes >>= 1;
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
287
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
289 if (IS_QLA2200(ha) && cnt == 8)
290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
293 else if (mboxes & BIT_0)
294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
295
296 wptr++;
297 mboxes >>= 1;
298 }
299 }
300
301 static void
302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
303 {
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
306 int rval;
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
311
312 /* Seed data -- mailbox1 -> mailbox7. */
313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)&reg24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
317 else
318 return;
319
320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
322
323 ql_dbg(ql_dbg_async, vha, 0x5021,
324 "Inter-Driver Communication %s -- "
325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
328 switch (aen) {
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
331 if (mb[1] >> 15) {
332 vha->hw->flags.idc_compl_status = 1;
333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
334 complete(&vha->hw->dcbx_comp);
335 }
336 break;
337
338 case MBA_IDC_NOTIFY:
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
344
345 if (!timeout)
346 return;
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
351 break;
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
358 break;
359 }
360 }
361
362 #define LS_UNKNOWN 2
363 const char *
364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
365 {
366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
368 };
369 #define QLA_LAST_SPEED 7
370
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
372 return link_speeds[0];
373 else if (speed == 0x13)
374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
376 return link_speeds[speed];
377 else
378 return link_speeds[LS_UNKNOWN];
379 }
380
381 static void
382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
383 {
384 struct qla_hw_data *ha = vha->hw;
385
386 /*
387 * 8200 AEN Interpretation:
388 * mb[0] = AEN code
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
396 */
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
403
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
409
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
412
413 /*
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
425 */
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
438 "Not a fatal error, f/w has recovered itself.\n");
439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
458 uint16_t sfp_additional_info, sfp_multirate;
459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
498 sfp_additional_info = (mb[6] & 0x0003);
499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
514 htbt_counter, htbt_monitor_enable,
515 sfp_additional_info, sfp_multirate);
516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
536 if (ha->flags.nic_core_reset_owner)
537 return;
538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540 }
541
542 int
543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544 {
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565 }
566
567 fc_port_t *
568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569 {
570 fc_port_t *f, *tf;
571
572 f = tf = NULL;
573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
574 if (f->loop_id == loop_id)
575 return f;
576 return NULL;
577 }
578
579 fc_port_t *
580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
581 {
582 fc_port_t *f, *tf;
583
584 f = tf = NULL;
585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
587 if (incl_deleted)
588 return f;
589 else if (f->deleted == 0)
590 return f;
591 }
592 }
593 return NULL;
594 }
595
596 fc_port_t *
597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
598 u8 incl_deleted)
599 {
600 fc_port_t *f, *tf;
601
602 f = tf = NULL;
603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
604 if (f->d_id.b24 == id->b24) {
605 if (incl_deleted)
606 return f;
607 else if (f->deleted == 0)
608 return f;
609 }
610 }
611 return NULL;
612 }
613
614 /**
615 * qla2x00_async_event() - Process aynchronous events.
616 * @vha: SCSI driver HA context
617 * @rsp: response queue
618 * @mb: Mailbox registers (0 - 3)
619 */
620 void
621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
622 {
623 uint16_t handle_cnt;
624 uint16_t cnt, mbx;
625 uint32_t handles[5];
626 struct qla_hw_data *ha = vha->hw;
627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
630 uint32_t rscn_entry, host_pid;
631 unsigned long flags;
632 fc_port_t *fcport = NULL;
633
634 /* Setup to process RIO completion. */
635 handle_cnt = 0;
636 if (IS_CNA_CAPABLE(ha))
637 goto skip_rio;
638 switch (mb[0]) {
639 case MBA_SCSI_COMPLETION:
640 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
641 handle_cnt = 1;
642 break;
643 case MBA_CMPLT_1_16BIT:
644 handles[0] = mb[1];
645 handle_cnt = 1;
646 mb[0] = MBA_SCSI_COMPLETION;
647 break;
648 case MBA_CMPLT_2_16BIT:
649 handles[0] = mb[1];
650 handles[1] = mb[2];
651 handle_cnt = 2;
652 mb[0] = MBA_SCSI_COMPLETION;
653 break;
654 case MBA_CMPLT_3_16BIT:
655 handles[0] = mb[1];
656 handles[1] = mb[2];
657 handles[2] = mb[3];
658 handle_cnt = 3;
659 mb[0] = MBA_SCSI_COMPLETION;
660 break;
661 case MBA_CMPLT_4_16BIT:
662 handles[0] = mb[1];
663 handles[1] = mb[2];
664 handles[2] = mb[3];
665 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
666 handle_cnt = 4;
667 mb[0] = MBA_SCSI_COMPLETION;
668 break;
669 case MBA_CMPLT_5_16BIT:
670 handles[0] = mb[1];
671 handles[1] = mb[2];
672 handles[2] = mb[3];
673 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
674 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
675 handle_cnt = 5;
676 mb[0] = MBA_SCSI_COMPLETION;
677 break;
678 case MBA_CMPLT_2_32BIT:
679 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
680 handles[1] = le32_to_cpu(
681 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
682 RD_MAILBOX_REG(ha, reg, 6));
683 handle_cnt = 2;
684 mb[0] = MBA_SCSI_COMPLETION;
685 break;
686 default:
687 break;
688 }
689 skip_rio:
690 switch (mb[0]) {
691 case MBA_SCSI_COMPLETION: /* Fast Post */
692 if (!vha->flags.online)
693 break;
694
695 for (cnt = 0; cnt < handle_cnt; cnt++)
696 qla2x00_process_completed_request(vha, rsp->req,
697 handles[cnt]);
698 break;
699
700 case MBA_RESET: /* Reset */
701 ql_dbg(ql_dbg_async, vha, 0x5002,
702 "Asynchronous RESET.\n");
703
704 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
705 break;
706
707 case MBA_SYSTEM_ERR: /* System Error */
708 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
709 RD_REG_WORD(&reg24->mailbox7) : 0;
710 ql_log(ql_log_warn, vha, 0x5003,
711 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
712 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
713
714 ha->isp_ops->fw_dump(vha, 1);
715 ha->flags.fw_init_done = 0;
716 QLA_FW_STOPPED(ha);
717
718 if (IS_FWI2_CAPABLE(ha)) {
719 if (mb[1] == 0 && mb[2] == 0) {
720 ql_log(ql_log_fatal, vha, 0x5004,
721 "Unrecoverable Hardware Error: adapter "
722 "marked OFFLINE!\n");
723 vha->flags.online = 0;
724 vha->device_flags |= DFLG_DEV_FAILED;
725 } else {
726 /* Check to see if MPI timeout occurred */
727 if ((mbx & MBX_3) && (ha->port_no == 0))
728 set_bit(MPI_RESET_NEEDED,
729 &vha->dpc_flags);
730
731 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
732 }
733 } else if (mb[1] == 0) {
734 ql_log(ql_log_fatal, vha, 0x5005,
735 "Unrecoverable Hardware Error: adapter marked "
736 "OFFLINE!\n");
737 vha->flags.online = 0;
738 vha->device_flags |= DFLG_DEV_FAILED;
739 } else
740 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
741 break;
742
743 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
744 ql_log(ql_log_warn, vha, 0x5006,
745 "ISP Request Transfer Error (%x).\n", mb[1]);
746
747 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
748 break;
749
750 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
751 ql_log(ql_log_warn, vha, 0x5007,
752 "ISP Response Transfer Error (%x).\n", mb[1]);
753
754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
755 break;
756
757 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
758 ql_dbg(ql_dbg_async, vha, 0x5008,
759 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
760 break;
761
762 case MBA_LOOP_INIT_ERR:
763 ql_log(ql_log_warn, vha, 0x5090,
764 "LOOP INIT ERROR (%x).\n", mb[1]);
765 ha->isp_ops->fw_dump(vha, 1);
766 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
767 break;
768
769 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
770 ha->flags.lip_ae = 1;
771
772 ql_dbg(ql_dbg_async, vha, 0x5009,
773 "LIP occurred (%x).\n", mb[1]);
774
775 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
776 atomic_set(&vha->loop_state, LOOP_DOWN);
777 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
778 qla2x00_mark_all_devices_lost(vha, 1);
779 }
780
781 if (vha->vp_idx) {
782 atomic_set(&vha->vp_state, VP_FAILED);
783 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
784 }
785
786 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
787 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
788
789 vha->flags.management_server_logged_in = 0;
790 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
791 break;
792
793 case MBA_LOOP_UP: /* Loop Up Event */
794 if (IS_QLA2100(ha) || IS_QLA2200(ha))
795 ha->link_data_rate = PORT_SPEED_1GB;
796 else
797 ha->link_data_rate = mb[1];
798
799 ql_log(ql_log_info, vha, 0x500a,
800 "LOOP UP detected (%s Gbps).\n",
801 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
802
803 vha->flags.management_server_logged_in = 0;
804 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
805
806 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
807 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
808 qla2xxx_wake_dpc(vha);
809 }
810 break;
811
812 case MBA_LOOP_DOWN: /* Loop Down Event */
813 SAVE_TOPO(ha);
814 ha->flags.lip_ae = 0;
815 ha->current_topology = 0;
816
817 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
818 ? RD_REG_WORD(&reg24->mailbox4) : 0;
819 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
820 : mbx;
821 ql_log(ql_log_info, vha, 0x500b,
822 "LOOP DOWN detected (%x %x %x %x).\n",
823 mb[1], mb[2], mb[3], mbx);
824
825 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
826 atomic_set(&vha->loop_state, LOOP_DOWN);
827 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
828 /*
829 * In case of loop down, restore WWPN from
830 * NVRAM in case of FA-WWPN capable ISP
831 * Restore for Physical Port only
832 */
833 if (!vha->vp_idx) {
834 if (ha->flags.fawwpn_enabled) {
835 void *wwpn = ha->init_cb->port_name;
836 memcpy(vha->port_name, wwpn, WWN_SIZE);
837 fc_host_port_name(vha->host) =
838 wwn_to_u64(vha->port_name);
839 ql_dbg(ql_dbg_init + ql_dbg_verbose,
840 vha, 0x00d8, "LOOP DOWN detected,"
841 "restore WWPN %016llx\n",
842 wwn_to_u64(vha->port_name));
843 }
844
845 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
846 }
847
848 vha->device_flags |= DFLG_NO_CABLE;
849 qla2x00_mark_all_devices_lost(vha, 1);
850 }
851
852 if (vha->vp_idx) {
853 atomic_set(&vha->vp_state, VP_FAILED);
854 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
855 }
856
857 vha->flags.management_server_logged_in = 0;
858 ha->link_data_rate = PORT_SPEED_UNKNOWN;
859 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
860 break;
861
862 case MBA_LIP_RESET: /* LIP reset occurred */
863 ql_dbg(ql_dbg_async, vha, 0x500c,
864 "LIP reset occurred (%x).\n", mb[1]);
865
866 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
867 atomic_set(&vha->loop_state, LOOP_DOWN);
868 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
869 qla2x00_mark_all_devices_lost(vha, 1);
870 }
871
872 if (vha->vp_idx) {
873 atomic_set(&vha->vp_state, VP_FAILED);
874 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
875 }
876
877 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
878
879 ha->operating_mode = LOOP;
880 vha->flags.management_server_logged_in = 0;
881 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
882 break;
883
884 /* case MBA_DCBX_COMPLETE: */
885 case MBA_POINT_TO_POINT: /* Point-to-Point */
886 ha->flags.lip_ae = 0;
887
888 if (IS_QLA2100(ha))
889 break;
890
891 if (IS_CNA_CAPABLE(ha)) {
892 ql_dbg(ql_dbg_async, vha, 0x500d,
893 "DCBX Completed -- %04x %04x %04x.\n",
894 mb[1], mb[2], mb[3]);
895 if (ha->notify_dcbx_comp && !vha->vp_idx)
896 complete(&ha->dcbx_comp);
897
898 } else
899 ql_dbg(ql_dbg_async, vha, 0x500e,
900 "Asynchronous P2P MODE received.\n");
901
902 /*
903 * Until there's a transition from loop down to loop up, treat
904 * this as loop down only.
905 */
906 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
907 atomic_set(&vha->loop_state, LOOP_DOWN);
908 if (!atomic_read(&vha->loop_down_timer))
909 atomic_set(&vha->loop_down_timer,
910 LOOP_DOWN_TIME);
911 qla2x00_mark_all_devices_lost(vha, 1);
912 }
913
914 if (vha->vp_idx) {
915 atomic_set(&vha->vp_state, VP_FAILED);
916 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
917 }
918
919 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
920 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
921
922 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
923 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
924
925 vha->flags.management_server_logged_in = 0;
926 break;
927
928 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
929 if (IS_QLA2100(ha))
930 break;
931
932 ql_dbg(ql_dbg_async, vha, 0x500f,
933 "Configuration change detected: value=%x.\n", mb[1]);
934
935 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
936 atomic_set(&vha->loop_state, LOOP_DOWN);
937 if (!atomic_read(&vha->loop_down_timer))
938 atomic_set(&vha->loop_down_timer,
939 LOOP_DOWN_TIME);
940 qla2x00_mark_all_devices_lost(vha, 1);
941 }
942
943 if (vha->vp_idx) {
944 atomic_set(&vha->vp_state, VP_FAILED);
945 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
946 }
947
948 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
949 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
950 break;
951
952 case MBA_PORT_UPDATE: /* Port database update */
953 /*
954 * Handle only global and vn-port update events
955 *
956 * Relevant inputs:
957 * mb[1] = N_Port handle of changed port
958 * OR 0xffff for global event
959 * mb[2] = New login state
960 * 7 = Port logged out
961 * mb[3] = LSB is vp_idx, 0xff = all vps
962 *
963 * Skip processing if:
964 * Event is global, vp_idx is NOT all vps,
965 * vp_idx does not match
966 * Event is not global, vp_idx does not match
967 */
968 if (IS_QLA2XXX_MIDTYPE(ha) &&
969 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
970 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
971 break;
972
973 if (mb[2] == 0x7) {
974 ql_dbg(ql_dbg_async, vha, 0x5010,
975 "Port %s %04x %04x %04x.\n",
976 mb[1] == 0xffff ? "unavailable" : "logout",
977 mb[1], mb[2], mb[3]);
978
979 if (mb[1] == 0xffff)
980 goto global_port_update;
981
982 if (mb[1] == NPH_SNS_LID(ha)) {
983 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
984 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
985 break;
986 }
987
988 /* use handle_cnt for loop id/nport handle */
989 if (IS_FWI2_CAPABLE(ha))
990 handle_cnt = NPH_SNS;
991 else
992 handle_cnt = SIMPLE_NAME_SERVER;
993 if (mb[1] == handle_cnt) {
994 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
995 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
996 break;
997 }
998
999 /* Port logout */
1000 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1001 if (!fcport)
1002 break;
1003 if (atomic_read(&fcport->state) != FCS_ONLINE)
1004 break;
1005 ql_dbg(ql_dbg_async, vha, 0x508a,
1006 "Marking port lost loopid=%04x portid=%06x.\n",
1007 fcport->loop_id, fcport->d_id.b24);
1008 if (qla_ini_mode_enabled(vha)) {
1009 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1010 fcport->logout_on_delete = 0;
1011 qlt_schedule_sess_for_deletion(fcport);
1012 }
1013 break;
1014
1015 global_port_update:
1016 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1017 atomic_set(&vha->loop_state, LOOP_DOWN);
1018 atomic_set(&vha->loop_down_timer,
1019 LOOP_DOWN_TIME);
1020 vha->device_flags |= DFLG_NO_CABLE;
1021 qla2x00_mark_all_devices_lost(vha, 1);
1022 }
1023
1024 if (vha->vp_idx) {
1025 atomic_set(&vha->vp_state, VP_FAILED);
1026 fc_vport_set_state(vha->fc_vport,
1027 FC_VPORT_FAILED);
1028 qla2x00_mark_all_devices_lost(vha, 1);
1029 }
1030
1031 vha->flags.management_server_logged_in = 0;
1032 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1033 break;
1034 }
1035
1036 /*
1037 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1038 * event etc. earlier indicating loop is down) then process
1039 * it. Otherwise ignore it and Wait for RSCN to come in.
1040 */
1041 atomic_set(&vha->loop_down_timer, 0);
1042 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1043 !ha->flags.n2n_ae &&
1044 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1045 ql_dbg(ql_dbg_async, vha, 0x5011,
1046 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1047 mb[1], mb[2], mb[3]);
1048
1049 qlt_async_event(mb[0], vha, mb);
1050 break;
1051 }
1052
1053 ql_dbg(ql_dbg_async, vha, 0x5012,
1054 "Port database changed %04x %04x %04x.\n",
1055 mb[1], mb[2], mb[3]);
1056
1057 /*
1058 * Mark all devices as missing so we will login again.
1059 */
1060 atomic_set(&vha->loop_state, LOOP_UP);
1061 vha->scan.scan_retry = 0;
1062
1063 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1064 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1065 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1066
1067 qlt_async_event(mb[0], vha, mb);
1068 break;
1069
1070 case MBA_RSCN_UPDATE: /* State Change Registration */
1071 /* Check if the Vport has issued a SCR */
1072 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1073 break;
1074 /* Only handle SCNs for our Vport index. */
1075 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1076 break;
1077
1078 ql_dbg(ql_dbg_async, vha, 0x5013,
1079 "RSCN database changed -- %04x %04x %04x.\n",
1080 mb[1], mb[2], mb[3]);
1081
1082 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1083 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1084 | vha->d_id.b.al_pa;
1085 if (rscn_entry == host_pid) {
1086 ql_dbg(ql_dbg_async, vha, 0x5014,
1087 "Ignoring RSCN update to local host "
1088 "port ID (%06x).\n", host_pid);
1089 break;
1090 }
1091
1092 /* Ignore reserved bits from RSCN-payload. */
1093 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1094
1095 /* Skip RSCNs for virtual ports on the same physical port */
1096 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1097 break;
1098
1099 atomic_set(&vha->loop_down_timer, 0);
1100 vha->flags.management_server_logged_in = 0;
1101 {
1102 struct event_arg ea;
1103
1104 memset(&ea, 0, sizeof(ea));
1105 ea.event = FCME_RSCN;
1106 ea.id.b24 = rscn_entry;
1107 ea.id.b.rsvd_1 = rscn_entry >> 24;
1108 qla2x00_fcport_event_handler(vha, &ea);
1109 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1110 }
1111 break;
1112 /* case MBA_RIO_RESPONSE: */
1113 case MBA_ZIO_RESPONSE:
1114 ql_dbg(ql_dbg_async, vha, 0x5015,
1115 "[R|Z]IO update completion.\n");
1116
1117 if (IS_FWI2_CAPABLE(ha))
1118 qla24xx_process_response_queue(vha, rsp);
1119 else
1120 qla2x00_process_response_queue(rsp);
1121 break;
1122
1123 case MBA_DISCARD_RND_FRAME:
1124 ql_dbg(ql_dbg_async, vha, 0x5016,
1125 "Discard RND Frame -- %04x %04x %04x.\n",
1126 mb[1], mb[2], mb[3]);
1127 break;
1128
1129 case MBA_TRACE_NOTIFICATION:
1130 ql_dbg(ql_dbg_async, vha, 0x5017,
1131 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1132 break;
1133
1134 case MBA_ISP84XX_ALERT:
1135 ql_dbg(ql_dbg_async, vha, 0x5018,
1136 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1137 mb[1], mb[2], mb[3]);
1138
1139 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1140 switch (mb[1]) {
1141 case A84_PANIC_RECOVERY:
1142 ql_log(ql_log_info, vha, 0x5019,
1143 "Alert 84XX: panic recovery %04x %04x.\n",
1144 mb[2], mb[3]);
1145 break;
1146 case A84_OP_LOGIN_COMPLETE:
1147 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1148 ql_log(ql_log_info, vha, 0x501a,
1149 "Alert 84XX: firmware version %x.\n",
1150 ha->cs84xx->op_fw_version);
1151 break;
1152 case A84_DIAG_LOGIN_COMPLETE:
1153 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1154 ql_log(ql_log_info, vha, 0x501b,
1155 "Alert 84XX: diagnostic firmware version %x.\n",
1156 ha->cs84xx->diag_fw_version);
1157 break;
1158 case A84_GOLD_LOGIN_COMPLETE:
1159 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1160 ha->cs84xx->fw_update = 1;
1161 ql_log(ql_log_info, vha, 0x501c,
1162 "Alert 84XX: gold firmware version %x.\n",
1163 ha->cs84xx->gold_fw_version);
1164 break;
1165 default:
1166 ql_log(ql_log_warn, vha, 0x501d,
1167 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1168 mb[1], mb[2], mb[3]);
1169 }
1170 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1171 break;
1172 case MBA_DCBX_START:
1173 ql_dbg(ql_dbg_async, vha, 0x501e,
1174 "DCBX Started -- %04x %04x %04x.\n",
1175 mb[1], mb[2], mb[3]);
1176 break;
1177 case MBA_DCBX_PARAM_UPDATE:
1178 ql_dbg(ql_dbg_async, vha, 0x501f,
1179 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1180 mb[1], mb[2], mb[3]);
1181 break;
1182 case MBA_FCF_CONF_ERR:
1183 ql_dbg(ql_dbg_async, vha, 0x5020,
1184 "FCF Configuration Error -- %04x %04x %04x.\n",
1185 mb[1], mb[2], mb[3]);
1186 break;
1187 case MBA_IDC_NOTIFY:
1188 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1189 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1190 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1191 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1192 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1193 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1194 /*
1195 * Extend loop down timer since port is active.
1196 */
1197 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1198 atomic_set(&vha->loop_down_timer,
1199 LOOP_DOWN_TIME);
1200 qla2xxx_wake_dpc(vha);
1201 }
1202 }
1203 /* fall through */
1204 case MBA_IDC_COMPLETE:
1205 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1206 complete(&ha->lb_portup_comp);
1207 /* Fallthru */
1208 case MBA_IDC_TIME_EXT:
1209 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1210 IS_QLA8044(ha))
1211 qla81xx_idc_event(vha, mb[0], mb[1]);
1212 break;
1213
1214 case MBA_IDC_AEN:
1215 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1216 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1217 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1218 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1219 qla83xx_handle_8200_aen(vha, mb);
1220 break;
1221
1222 case MBA_DPORT_DIAGNOSTICS:
1223 ql_dbg(ql_dbg_async, vha, 0x5052,
1224 "D-Port Diagnostics: %04x result=%s\n",
1225 mb[0],
1226 mb[1] == 0 ? "start" :
1227 mb[1] == 1 ? "done (pass)" :
1228 mb[1] == 2 ? "done (error)" : "other");
1229 break;
1230
1231 case MBA_TEMPERATURE_ALERT:
1232 ql_dbg(ql_dbg_async, vha, 0x505e,
1233 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1234 if (mb[1] == 0x12)
1235 schedule_work(&ha->board_disable);
1236 break;
1237
1238 case MBA_TRANS_INSERT:
1239 ql_dbg(ql_dbg_async, vha, 0x5091,
1240 "Transceiver Insertion: %04x\n", mb[1]);
1241 break;
1242
1243 default:
1244 ql_dbg(ql_dbg_async, vha, 0x5057,
1245 "Unknown AEN:%04x %04x %04x %04x\n",
1246 mb[0], mb[1], mb[2], mb[3]);
1247 }
1248
1249 qlt_async_event(mb[0], vha, mb);
1250
1251 if (!vha->vp_idx && ha->num_vhosts)
1252 qla2x00_alert_all_vps(rsp, mb);
1253 }
1254
1255 /**
1256 * qla2x00_process_completed_request() - Process a Fast Post response.
1257 * @vha: SCSI driver HA context
1258 * @req: request queue
1259 * @index: SRB index
1260 */
1261 void
1262 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1263 struct req_que *req, uint32_t index)
1264 {
1265 srb_t *sp;
1266 struct qla_hw_data *ha = vha->hw;
1267
1268 /* Validate handle. */
1269 if (index >= req->num_outstanding_cmds) {
1270 ql_log(ql_log_warn, vha, 0x3014,
1271 "Invalid SCSI command index (%x).\n", index);
1272
1273 if (IS_P3P_TYPE(ha))
1274 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1275 else
1276 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1277 return;
1278 }
1279
1280 sp = req->outstanding_cmds[index];
1281 if (sp) {
1282 /* Free outstanding command slot. */
1283 req->outstanding_cmds[index] = NULL;
1284
1285 /* Save ISP completion status */
1286 sp->done(sp, DID_OK << 16);
1287 } else {
1288 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1289
1290 if (IS_P3P_TYPE(ha))
1291 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1292 else
1293 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1294 }
1295 }
1296
1297 srb_t *
1298 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1299 struct req_que *req, void *iocb)
1300 {
1301 struct qla_hw_data *ha = vha->hw;
1302 sts_entry_t *pkt = iocb;
1303 srb_t *sp = NULL;
1304 uint16_t index;
1305
1306 index = LSW(pkt->handle);
1307 if (index >= req->num_outstanding_cmds) {
1308 ql_log(ql_log_warn, vha, 0x5031,
1309 "Invalid command index (%x) type %8ph.\n",
1310 index, iocb);
1311 if (IS_P3P_TYPE(ha))
1312 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1313 else
1314 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1315 goto done;
1316 }
1317 sp = req->outstanding_cmds[index];
1318 if (!sp) {
1319 ql_log(ql_log_warn, vha, 0x5032,
1320 "Invalid completion handle (%x) -- timed-out.\n", index);
1321 return sp;
1322 }
1323 if (sp->handle != index) {
1324 ql_log(ql_log_warn, vha, 0x5033,
1325 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1326 return NULL;
1327 }
1328
1329 req->outstanding_cmds[index] = NULL;
1330
1331 done:
1332 return sp;
1333 }
1334
1335 static void
1336 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1337 struct mbx_entry *mbx)
1338 {
1339 const char func[] = "MBX-IOCB";
1340 const char *type;
1341 fc_port_t *fcport;
1342 srb_t *sp;
1343 struct srb_iocb *lio;
1344 uint16_t *data;
1345 uint16_t status;
1346
1347 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1348 if (!sp)
1349 return;
1350
1351 lio = &sp->u.iocb_cmd;
1352 type = sp->name;
1353 fcport = sp->fcport;
1354 data = lio->u.logio.data;
1355
1356 data[0] = MBS_COMMAND_ERROR;
1357 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1358 QLA_LOGIO_LOGIN_RETRIED : 0;
1359 if (mbx->entry_status) {
1360 ql_dbg(ql_dbg_async, vha, 0x5043,
1361 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1362 "entry-status=%x status=%x state-flag=%x "
1363 "status-flags=%x.\n", type, sp->handle,
1364 fcport->d_id.b.domain, fcport->d_id.b.area,
1365 fcport->d_id.b.al_pa, mbx->entry_status,
1366 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1367 le16_to_cpu(mbx->status_flags));
1368
1369 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1370 (uint8_t *)mbx, sizeof(*mbx));
1371
1372 goto logio_done;
1373 }
1374
1375 status = le16_to_cpu(mbx->status);
1376 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1377 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1378 status = 0;
1379 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1380 ql_dbg(ql_dbg_async, vha, 0x5045,
1381 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1382 type, sp->handle, fcport->d_id.b.domain,
1383 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1384 le16_to_cpu(mbx->mb1));
1385
1386 data[0] = MBS_COMMAND_COMPLETE;
1387 if (sp->type == SRB_LOGIN_CMD) {
1388 fcport->port_type = FCT_TARGET;
1389 if (le16_to_cpu(mbx->mb1) & BIT_0)
1390 fcport->port_type = FCT_INITIATOR;
1391 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1392 fcport->flags |= FCF_FCP2_DEVICE;
1393 }
1394 goto logio_done;
1395 }
1396
1397 data[0] = le16_to_cpu(mbx->mb0);
1398 switch (data[0]) {
1399 case MBS_PORT_ID_USED:
1400 data[1] = le16_to_cpu(mbx->mb1);
1401 break;
1402 case MBS_LOOP_ID_USED:
1403 break;
1404 default:
1405 data[0] = MBS_COMMAND_ERROR;
1406 break;
1407 }
1408
1409 ql_log(ql_log_warn, vha, 0x5046,
1410 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1411 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1412 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1413 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1414 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1415 le16_to_cpu(mbx->mb7));
1416
1417 logio_done:
1418 sp->done(sp, 0);
1419 }
1420
1421 static void
1422 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1423 struct mbx_24xx_entry *pkt)
1424 {
1425 const char func[] = "MBX-IOCB2";
1426 srb_t *sp;
1427 struct srb_iocb *si;
1428 u16 sz, i;
1429 int res;
1430
1431 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1432 if (!sp)
1433 return;
1434
1435 si = &sp->u.iocb_cmd;
1436 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1437
1438 for (i = 0; i < sz; i++)
1439 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1440
1441 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1442
1443 sp->done(sp, res);
1444 }
1445
1446 static void
1447 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1448 struct nack_to_isp *pkt)
1449 {
1450 const char func[] = "nack";
1451 srb_t *sp;
1452 int res = 0;
1453
1454 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1455 if (!sp)
1456 return;
1457
1458 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1459 res = QLA_FUNCTION_FAILED;
1460
1461 sp->done(sp, res);
1462 }
1463
1464 static void
1465 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1466 sts_entry_t *pkt, int iocb_type)
1467 {
1468 const char func[] = "CT_IOCB";
1469 const char *type;
1470 srb_t *sp;
1471 struct bsg_job *bsg_job;
1472 struct fc_bsg_reply *bsg_reply;
1473 uint16_t comp_status;
1474 int res = 0;
1475
1476 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1477 if (!sp)
1478 return;
1479
1480 switch (sp->type) {
1481 case SRB_CT_CMD:
1482 bsg_job = sp->u.bsg_job;
1483 bsg_reply = bsg_job->reply;
1484
1485 type = "ct pass-through";
1486
1487 comp_status = le16_to_cpu(pkt->comp_status);
1488
1489 /*
1490 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1491 * fc payload to the caller
1492 */
1493 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1494 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1495
1496 if (comp_status != CS_COMPLETE) {
1497 if (comp_status == CS_DATA_UNDERRUN) {
1498 res = DID_OK << 16;
1499 bsg_reply->reply_payload_rcv_len =
1500 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1501
1502 ql_log(ql_log_warn, vha, 0x5048,
1503 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1504 type, comp_status,
1505 bsg_reply->reply_payload_rcv_len);
1506 } else {
1507 ql_log(ql_log_warn, vha, 0x5049,
1508 "CT pass-through-%s error comp_status=0x%x.\n",
1509 type, comp_status);
1510 res = DID_ERROR << 16;
1511 bsg_reply->reply_payload_rcv_len = 0;
1512 }
1513 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1514 (uint8_t *)pkt, sizeof(*pkt));
1515 } else {
1516 res = DID_OK << 16;
1517 bsg_reply->reply_payload_rcv_len =
1518 bsg_job->reply_payload.payload_len;
1519 bsg_job->reply_len = 0;
1520 }
1521 break;
1522 case SRB_CT_PTHRU_CMD:
1523 /*
1524 * borrowing sts_entry_24xx.comp_status.
1525 * same location as ct_entry_24xx.comp_status
1526 */
1527 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1528 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1529 sp->name);
1530 break;
1531 }
1532
1533 sp->done(sp, res);
1534 }
1535
1536 static void
1537 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1538 struct sts_entry_24xx *pkt, int iocb_type)
1539 {
1540 const char func[] = "ELS_CT_IOCB";
1541 const char *type;
1542 srb_t *sp;
1543 struct bsg_job *bsg_job;
1544 struct fc_bsg_reply *bsg_reply;
1545 uint16_t comp_status;
1546 uint32_t fw_status[3];
1547 int res;
1548 struct srb_iocb *els;
1549
1550 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1551 if (!sp)
1552 return;
1553
1554 type = NULL;
1555 switch (sp->type) {
1556 case SRB_ELS_CMD_RPT:
1557 case SRB_ELS_CMD_HST:
1558 type = "els";
1559 break;
1560 case SRB_CT_CMD:
1561 type = "ct pass-through";
1562 break;
1563 case SRB_ELS_DCMD:
1564 type = "Driver ELS logo";
1565 if (iocb_type != ELS_IOCB_TYPE) {
1566 ql_dbg(ql_dbg_user, vha, 0x5047,
1567 "Completing %s: (%p) type=%d.\n",
1568 type, sp, sp->type);
1569 sp->done(sp, 0);
1570 return;
1571 }
1572 break;
1573 case SRB_CT_PTHRU_CMD:
1574 /* borrowing sts_entry_24xx.comp_status.
1575 same location as ct_entry_24xx.comp_status
1576 */
1577 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1578 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1579 sp->name);
1580 sp->done(sp, res);
1581 return;
1582 default:
1583 ql_dbg(ql_dbg_user, vha, 0x503e,
1584 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1585 return;
1586 }
1587
1588 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1589 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1590 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1591
1592 if (iocb_type == ELS_IOCB_TYPE) {
1593 els = &sp->u.iocb_cmd;
1594 els->u.els_plogi.fw_status[0] = fw_status[0];
1595 els->u.els_plogi.fw_status[1] = fw_status[1];
1596 els->u.els_plogi.fw_status[2] = fw_status[2];
1597 els->u.els_plogi.comp_status = fw_status[0];
1598 if (comp_status == CS_COMPLETE) {
1599 res = DID_OK << 16;
1600 } else {
1601 if (comp_status == CS_DATA_UNDERRUN) {
1602 res = DID_OK << 16;
1603 els->u.els_plogi.len =
1604 le16_to_cpu(((struct els_sts_entry_24xx *)
1605 pkt)->total_byte_count);
1606 } else {
1607 els->u.els_plogi.len = 0;
1608 res = DID_ERROR << 16;
1609 }
1610 }
1611 ql_log(ql_log_info, vha, 0x503f,
1612 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n",
1613 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1614 le16_to_cpu(((struct els_sts_entry_24xx *)
1615 pkt)->total_byte_count));
1616 goto els_ct_done;
1617 }
1618
1619 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1620 * fc payload to the caller
1621 */
1622 bsg_job = sp->u.bsg_job;
1623 bsg_reply = bsg_job->reply;
1624 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1625 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1626
1627 if (comp_status != CS_COMPLETE) {
1628 if (comp_status == CS_DATA_UNDERRUN) {
1629 res = DID_OK << 16;
1630 bsg_reply->reply_payload_rcv_len =
1631 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1632
1633 ql_dbg(ql_dbg_user, vha, 0x503f,
1634 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1635 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1636 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1637 le16_to_cpu(((struct els_sts_entry_24xx *)
1638 pkt)->total_byte_count));
1639 } else {
1640 ql_dbg(ql_dbg_user, vha, 0x5040,
1641 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1642 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1643 type, sp->handle, comp_status,
1644 le16_to_cpu(((struct els_sts_entry_24xx *)
1645 pkt)->error_subcode_1),
1646 le16_to_cpu(((struct els_sts_entry_24xx *)
1647 pkt)->error_subcode_2));
1648 res = DID_ERROR << 16;
1649 bsg_reply->reply_payload_rcv_len = 0;
1650 }
1651 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1652 fw_status, sizeof(fw_status));
1653 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1654 (uint8_t *)pkt, sizeof(*pkt));
1655 }
1656 else {
1657 res = DID_OK << 16;
1658 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1659 bsg_job->reply_len = 0;
1660 }
1661 els_ct_done:
1662
1663 sp->done(sp, res);
1664 }
1665
1666 static void
1667 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1668 struct logio_entry_24xx *logio)
1669 {
1670 const char func[] = "LOGIO-IOCB";
1671 const char *type;
1672 fc_port_t *fcport;
1673 srb_t *sp;
1674 struct srb_iocb *lio;
1675 uint16_t *data;
1676 uint32_t iop[2];
1677
1678 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1679 if (!sp)
1680 return;
1681
1682 lio = &sp->u.iocb_cmd;
1683 type = sp->name;
1684 fcport = sp->fcport;
1685 data = lio->u.logio.data;
1686
1687 data[0] = MBS_COMMAND_ERROR;
1688 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1689 QLA_LOGIO_LOGIN_RETRIED : 0;
1690 if (logio->entry_status) {
1691 ql_log(ql_log_warn, fcport->vha, 0x5034,
1692 "Async-%s error entry - %8phC hdl=%x"
1693 "portid=%02x%02x%02x entry-status=%x.\n",
1694 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1695 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1696 logio->entry_status);
1697 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1698 (uint8_t *)logio, sizeof(*logio));
1699
1700 goto logio_done;
1701 }
1702
1703 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1704 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1705 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1706 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1707 fcport->d_id.b.domain,
1708 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1709 le32_to_cpu(logio->io_parameter[0]));
1710
1711 vha->hw->exch_starvation = 0;
1712 data[0] = MBS_COMMAND_COMPLETE;
1713 if (sp->type != SRB_LOGIN_CMD)
1714 goto logio_done;
1715
1716 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1717 if (iop[0] & BIT_4) {
1718 fcport->port_type = FCT_TARGET;
1719 if (iop[0] & BIT_8)
1720 fcport->flags |= FCF_FCP2_DEVICE;
1721 } else if (iop[0] & BIT_5)
1722 fcport->port_type = FCT_INITIATOR;
1723
1724 if (iop[0] & BIT_7)
1725 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1726
1727 if (logio->io_parameter[7] || logio->io_parameter[8])
1728 fcport->supported_classes |= FC_COS_CLASS2;
1729 if (logio->io_parameter[9] || logio->io_parameter[10])
1730 fcport->supported_classes |= FC_COS_CLASS3;
1731
1732 goto logio_done;
1733 }
1734
1735 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1736 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1737 lio->u.logio.iop[0] = iop[0];
1738 lio->u.logio.iop[1] = iop[1];
1739 switch (iop[0]) {
1740 case LSC_SCODE_PORTID_USED:
1741 data[0] = MBS_PORT_ID_USED;
1742 data[1] = LSW(iop[1]);
1743 break;
1744 case LSC_SCODE_NPORT_USED:
1745 data[0] = MBS_LOOP_ID_USED;
1746 break;
1747 case LSC_SCODE_CMD_FAILED:
1748 if (iop[1] == 0x0606) {
1749 /*
1750 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1751 * Target side acked.
1752 */
1753 data[0] = MBS_COMMAND_COMPLETE;
1754 goto logio_done;
1755 }
1756 data[0] = MBS_COMMAND_ERROR;
1757 break;
1758 case LSC_SCODE_NOXCB:
1759 vha->hw->exch_starvation++;
1760 if (vha->hw->exch_starvation > 5) {
1761 ql_log(ql_log_warn, vha, 0xd046,
1762 "Exchange starvation. Resetting RISC\n");
1763
1764 vha->hw->exch_starvation = 0;
1765
1766 if (IS_P3P_TYPE(vha->hw))
1767 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1768 else
1769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1770 qla2xxx_wake_dpc(vha);
1771 }
1772 /* fall through */
1773 default:
1774 data[0] = MBS_COMMAND_ERROR;
1775 break;
1776 }
1777
1778 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1779 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1780 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1781 sp->handle, fcport->d_id.b.domain,
1782 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1783 le16_to_cpu(logio->comp_status),
1784 le32_to_cpu(logio->io_parameter[0]),
1785 le32_to_cpu(logio->io_parameter[1]));
1786
1787 logio_done:
1788 sp->done(sp, 0);
1789 }
1790
1791 static void
1792 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1793 {
1794 const char func[] = "TMF-IOCB";
1795 const char *type;
1796 fc_port_t *fcport;
1797 srb_t *sp;
1798 struct srb_iocb *iocb;
1799 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1800
1801 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1802 if (!sp)
1803 return;
1804
1805 iocb = &sp->u.iocb_cmd;
1806 type = sp->name;
1807 fcport = sp->fcport;
1808 iocb->u.tmf.data = QLA_SUCCESS;
1809
1810 if (sts->entry_status) {
1811 ql_log(ql_log_warn, fcport->vha, 0x5038,
1812 "Async-%s error - hdl=%x entry-status(%x).\n",
1813 type, sp->handle, sts->entry_status);
1814 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1815 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1816 ql_log(ql_log_warn, fcport->vha, 0x5039,
1817 "Async-%s error - hdl=%x completion status(%x).\n",
1818 type, sp->handle, sts->comp_status);
1819 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1820 } else if ((le16_to_cpu(sts->scsi_status) &
1821 SS_RESPONSE_INFO_LEN_VALID)) {
1822 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1823 ql_log(ql_log_warn, fcport->vha, 0x503b,
1824 "Async-%s error - hdl=%x not enough response(%d).\n",
1825 type, sp->handle, sts->rsp_data_len);
1826 } else if (sts->data[3]) {
1827 ql_log(ql_log_warn, fcport->vha, 0x503c,
1828 "Async-%s error - hdl=%x response(%x).\n",
1829 type, sp->handle, sts->data[3]);
1830 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1831 }
1832 }
1833
1834 if (iocb->u.tmf.data != QLA_SUCCESS)
1835 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1836 (uint8_t *)sts, sizeof(*sts));
1837
1838 sp->done(sp, 0);
1839 }
1840
1841 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1842 void *tsk, srb_t *sp)
1843 {
1844 fc_port_t *fcport;
1845 struct srb_iocb *iocb;
1846 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1847 uint16_t state_flags;
1848 struct nvmefc_fcp_req *fd;
1849 uint16_t ret = 0;
1850
1851 iocb = &sp->u.iocb_cmd;
1852 fcport = sp->fcport;
1853 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status);
1854 state_flags = le16_to_cpu(sts->state_flags);
1855 fd = iocb->u.nvme.desc;
1856
1857 if (unlikely(iocb->u.nvme.aen_op))
1858 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1859
1860 /*
1861 * State flags: Bit 6 and 0.
1862 * If 0 is set, we don't care about 6.
1863 * both cases resp was dma'd to host buffer
1864 * if both are 0, that is good path case.
1865 * if six is set and 0 is clear, we need to
1866 * copy resp data from status iocb to resp buffer.
1867 */
1868 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1869 iocb->u.nvme.rsp_pyld_len = 0;
1870 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1871 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1872 } else if (state_flags & SF_NVME_ERSP) {
1873 uint32_t *inbuf, *outbuf;
1874 uint16_t iter;
1875
1876 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1877 outbuf = (uint32_t *)fd->rspaddr;
1878 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1879 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1880 for (; iter; iter--)
1881 *outbuf++ = swab32(*inbuf++);
1882 } else { /* unhandled case */
1883 ql_log(ql_log_warn, fcport->vha, 0x503a,
1884 "NVME-%s error. Unhandled state_flags of %x\n",
1885 sp->name, state_flags);
1886 }
1887
1888 fd->transferred_length = fd->payload_length -
1889 le32_to_cpu(sts->residual_len);
1890
1891 switch (le16_to_cpu(sts->comp_status)) {
1892 case CS_COMPLETE:
1893 ret = QLA_SUCCESS;
1894 break;
1895 case CS_ABORTED:
1896 case CS_RESET:
1897 case CS_PORT_UNAVAILABLE:
1898 case CS_PORT_LOGGED_OUT:
1899 case CS_PORT_BUSY:
1900 ql_log(ql_log_warn, fcport->vha, 0x5060,
1901 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1902 sp->name, sp->handle, sts->comp_status,
1903 le32_to_cpu(sts->residual_len), sts->ox_id);
1904 fd->transferred_length = 0;
1905 iocb->u.nvme.rsp_pyld_len = 0;
1906 ret = QLA_ABORTED;
1907 break;
1908 default:
1909 ql_log(ql_log_warn, fcport->vha, 0x5060,
1910 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1911 sp->name, sp->handle, sts->comp_status,
1912 le32_to_cpu(sts->residual_len), sts->ox_id);
1913 ret = QLA_FUNCTION_FAILED;
1914 break;
1915 }
1916 sp->done(sp, ret);
1917 }
1918
1919 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1920 struct vp_ctrl_entry_24xx *vce)
1921 {
1922 const char func[] = "CTRLVP-IOCB";
1923 srb_t *sp;
1924 int rval = QLA_SUCCESS;
1925
1926 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1927 if (!sp)
1928 return;
1929
1930 if (vce->entry_status != 0) {
1931 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1932 "%s: Failed to complete IOCB -- error status (%x)\n",
1933 sp->name, vce->entry_status);
1934 rval = QLA_FUNCTION_FAILED;
1935 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1936 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1937 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1938 sp->name, le16_to_cpu(vce->comp_status),
1939 le16_to_cpu(vce->vp_idx_failed));
1940 rval = QLA_FUNCTION_FAILED;
1941 } else {
1942 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1943 "Done %s.\n", __func__);
1944 }
1945
1946 sp->rc = rval;
1947 sp->done(sp, rval);
1948 }
1949
1950 /**
1951 * qla2x00_process_response_queue() - Process response queue entries.
1952 * @rsp: response queue
1953 */
1954 void
1955 qla2x00_process_response_queue(struct rsp_que *rsp)
1956 {
1957 struct scsi_qla_host *vha;
1958 struct qla_hw_data *ha = rsp->hw;
1959 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1960 sts_entry_t *pkt;
1961 uint16_t handle_cnt;
1962 uint16_t cnt;
1963
1964 vha = pci_get_drvdata(ha->pdev);
1965
1966 if (!vha->flags.online)
1967 return;
1968
1969 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1970 pkt = (sts_entry_t *)rsp->ring_ptr;
1971
1972 rsp->ring_index++;
1973 if (rsp->ring_index == rsp->length) {
1974 rsp->ring_index = 0;
1975 rsp->ring_ptr = rsp->ring;
1976 } else {
1977 rsp->ring_ptr++;
1978 }
1979
1980 if (pkt->entry_status != 0) {
1981 qla2x00_error_entry(vha, rsp, pkt);
1982 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1983 wmb();
1984 continue;
1985 }
1986
1987 switch (pkt->entry_type) {
1988 case STATUS_TYPE:
1989 qla2x00_status_entry(vha, rsp, pkt);
1990 break;
1991 case STATUS_TYPE_21:
1992 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1993 for (cnt = 0; cnt < handle_cnt; cnt++) {
1994 qla2x00_process_completed_request(vha, rsp->req,
1995 ((sts21_entry_t *)pkt)->handle[cnt]);
1996 }
1997 break;
1998 case STATUS_TYPE_22:
1999 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
2000 for (cnt = 0; cnt < handle_cnt; cnt++) {
2001 qla2x00_process_completed_request(vha, rsp->req,
2002 ((sts22_entry_t *)pkt)->handle[cnt]);
2003 }
2004 break;
2005 case STATUS_CONT_TYPE:
2006 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2007 break;
2008 case MBX_IOCB_TYPE:
2009 qla2x00_mbx_iocb_entry(vha, rsp->req,
2010 (struct mbx_entry *)pkt);
2011 break;
2012 case CT_IOCB_TYPE:
2013 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2014 break;
2015 default:
2016 /* Type Not Supported. */
2017 ql_log(ql_log_warn, vha, 0x504a,
2018 "Received unknown response pkt type %x "
2019 "entry status=%x.\n",
2020 pkt->entry_type, pkt->entry_status);
2021 break;
2022 }
2023 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2024 wmb();
2025 }
2026
2027 /* Adjust ring index */
2028 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2029 }
2030
2031 static inline void
2032 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2033 uint32_t sense_len, struct rsp_que *rsp, int res)
2034 {
2035 struct scsi_qla_host *vha = sp->vha;
2036 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2037 uint32_t track_sense_len;
2038
2039 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2040 sense_len = SCSI_SENSE_BUFFERSIZE;
2041
2042 SET_CMD_SENSE_LEN(sp, sense_len);
2043 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2044 track_sense_len = sense_len;
2045
2046 if (sense_len > par_sense_len)
2047 sense_len = par_sense_len;
2048
2049 memcpy(cp->sense_buffer, sense_data, sense_len);
2050
2051 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2052 track_sense_len -= sense_len;
2053 SET_CMD_SENSE_LEN(sp, track_sense_len);
2054
2055 if (track_sense_len != 0) {
2056 rsp->status_srb = sp;
2057 cp->result = res;
2058 }
2059
2060 if (sense_len) {
2061 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2062 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2063 sp->vha->host_no, cp->device->id, cp->device->lun,
2064 cp);
2065 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2066 cp->sense_buffer, sense_len);
2067 }
2068 }
2069
2070 struct scsi_dif_tuple {
2071 __be16 guard; /* Checksum */
2072 __be16 app_tag; /* APPL identifier */
2073 __be32 ref_tag; /* Target LBA or indirect LBA */
2074 };
2075
2076 /*
2077 * Checks the guard or meta-data for the type of error
2078 * detected by the HBA. In case of errors, we set the
2079 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2080 * to indicate to the kernel that the HBA detected error.
2081 */
2082 static inline int
2083 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2084 {
2085 struct scsi_qla_host *vha = sp->vha;
2086 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2087 uint8_t *ap = &sts24->data[12];
2088 uint8_t *ep = &sts24->data[20];
2089 uint32_t e_ref_tag, a_ref_tag;
2090 uint16_t e_app_tag, a_app_tag;
2091 uint16_t e_guard, a_guard;
2092
2093 /*
2094 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2095 * would make guard field appear at offset 2
2096 */
2097 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2098 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2099 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2100 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2101 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2102 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2103
2104 ql_dbg(ql_dbg_io, vha, 0x3023,
2105 "iocb(s) %p Returned STATUS.\n", sts24);
2106
2107 ql_dbg(ql_dbg_io, vha, 0x3024,
2108 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2109 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2110 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2111 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2112 a_app_tag, e_app_tag, a_guard, e_guard);
2113
2114 /*
2115 * Ignore sector if:
2116 * For type 3: ref & app tag is all 'f's
2117 * For type 0,1,2: app tag is all 'f's
2118 */
2119 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2120 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2121 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2122 uint32_t blocks_done, resid;
2123 sector_t lba_s = scsi_get_lba(cmd);
2124
2125 /* 2TB boundary case covered automatically with this */
2126 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2127
2128 resid = scsi_bufflen(cmd) - (blocks_done *
2129 cmd->device->sector_size);
2130
2131 scsi_set_resid(cmd, resid);
2132 cmd->result = DID_OK << 16;
2133
2134 /* Update protection tag */
2135 if (scsi_prot_sg_count(cmd)) {
2136 uint32_t i, j = 0, k = 0, num_ent;
2137 struct scatterlist *sg;
2138 struct t10_pi_tuple *spt;
2139
2140 /* Patch the corresponding protection tags */
2141 scsi_for_each_prot_sg(cmd, sg,
2142 scsi_prot_sg_count(cmd), i) {
2143 num_ent = sg_dma_len(sg) / 8;
2144 if (k + num_ent < blocks_done) {
2145 k += num_ent;
2146 continue;
2147 }
2148 j = blocks_done - k - 1;
2149 k = blocks_done;
2150 break;
2151 }
2152
2153 if (k != blocks_done) {
2154 ql_log(ql_log_warn, vha, 0x302f,
2155 "unexpected tag values tag:lba=%x:%llx)\n",
2156 e_ref_tag, (unsigned long long)lba_s);
2157 return 1;
2158 }
2159
2160 spt = page_address(sg_page(sg)) + sg->offset;
2161 spt += j;
2162
2163 spt->app_tag = T10_PI_APP_ESCAPE;
2164 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2165 spt->ref_tag = T10_PI_REF_ESCAPE;
2166 }
2167
2168 return 0;
2169 }
2170
2171 /* check guard */
2172 if (e_guard != a_guard) {
2173 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2174 0x10, 0x1);
2175 set_driver_byte(cmd, DRIVER_SENSE);
2176 set_host_byte(cmd, DID_ABORT);
2177 cmd->result |= SAM_STAT_CHECK_CONDITION;
2178 return 1;
2179 }
2180
2181 /* check ref tag */
2182 if (e_ref_tag != a_ref_tag) {
2183 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2184 0x10, 0x3);
2185 set_driver_byte(cmd, DRIVER_SENSE);
2186 set_host_byte(cmd, DID_ABORT);
2187 cmd->result |= SAM_STAT_CHECK_CONDITION;
2188 return 1;
2189 }
2190
2191 /* check appl tag */
2192 if (e_app_tag != a_app_tag) {
2193 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2194 0x10, 0x2);
2195 set_driver_byte(cmd, DRIVER_SENSE);
2196 set_host_byte(cmd, DID_ABORT);
2197 cmd->result |= SAM_STAT_CHECK_CONDITION;
2198 return 1;
2199 }
2200
2201 return 1;
2202 }
2203
2204 static void
2205 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2206 struct req_que *req, uint32_t index)
2207 {
2208 struct qla_hw_data *ha = vha->hw;
2209 srb_t *sp;
2210 uint16_t comp_status;
2211 uint16_t scsi_status;
2212 uint16_t thread_id;
2213 uint32_t rval = EXT_STATUS_OK;
2214 struct bsg_job *bsg_job = NULL;
2215 struct fc_bsg_request *bsg_request;
2216 struct fc_bsg_reply *bsg_reply;
2217 sts_entry_t *sts;
2218 struct sts_entry_24xx *sts24;
2219 sts = (sts_entry_t *) pkt;
2220 sts24 = (struct sts_entry_24xx *) pkt;
2221
2222 /* Validate handle. */
2223 if (index >= req->num_outstanding_cmds) {
2224 ql_log(ql_log_warn, vha, 0x70af,
2225 "Invalid SCSI completion handle 0x%x.\n", index);
2226 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2227 return;
2228 }
2229
2230 sp = req->outstanding_cmds[index];
2231 if (!sp) {
2232 ql_log(ql_log_warn, vha, 0x70b0,
2233 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2234 req->id, index);
2235
2236 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2237 return;
2238 }
2239
2240 /* Free outstanding command slot. */
2241 req->outstanding_cmds[index] = NULL;
2242 bsg_job = sp->u.bsg_job;
2243 bsg_request = bsg_job->request;
2244 bsg_reply = bsg_job->reply;
2245
2246 if (IS_FWI2_CAPABLE(ha)) {
2247 comp_status = le16_to_cpu(sts24->comp_status);
2248 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2249 } else {
2250 comp_status = le16_to_cpu(sts->comp_status);
2251 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2252 }
2253
2254 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2255 switch (comp_status) {
2256 case CS_COMPLETE:
2257 if (scsi_status == 0) {
2258 bsg_reply->reply_payload_rcv_len =
2259 bsg_job->reply_payload.payload_len;
2260 vha->qla_stats.input_bytes +=
2261 bsg_reply->reply_payload_rcv_len;
2262 vha->qla_stats.input_requests++;
2263 rval = EXT_STATUS_OK;
2264 }
2265 goto done;
2266
2267 case CS_DATA_OVERRUN:
2268 ql_dbg(ql_dbg_user, vha, 0x70b1,
2269 "Command completed with data overrun thread_id=%d\n",
2270 thread_id);
2271 rval = EXT_STATUS_DATA_OVERRUN;
2272 break;
2273
2274 case CS_DATA_UNDERRUN:
2275 ql_dbg(ql_dbg_user, vha, 0x70b2,
2276 "Command completed with data underrun thread_id=%d\n",
2277 thread_id);
2278 rval = EXT_STATUS_DATA_UNDERRUN;
2279 break;
2280 case CS_BIDIR_RD_OVERRUN:
2281 ql_dbg(ql_dbg_user, vha, 0x70b3,
2282 "Command completed with read data overrun thread_id=%d\n",
2283 thread_id);
2284 rval = EXT_STATUS_DATA_OVERRUN;
2285 break;
2286
2287 case CS_BIDIR_RD_WR_OVERRUN:
2288 ql_dbg(ql_dbg_user, vha, 0x70b4,
2289 "Command completed with read and write data overrun "
2290 "thread_id=%d\n", thread_id);
2291 rval = EXT_STATUS_DATA_OVERRUN;
2292 break;
2293
2294 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2295 ql_dbg(ql_dbg_user, vha, 0x70b5,
2296 "Command completed with read data over and write data "
2297 "underrun thread_id=%d\n", thread_id);
2298 rval = EXT_STATUS_DATA_OVERRUN;
2299 break;
2300
2301 case CS_BIDIR_RD_UNDERRUN:
2302 ql_dbg(ql_dbg_user, vha, 0x70b6,
2303 "Command completed with read data underrun "
2304 "thread_id=%d\n", thread_id);
2305 rval = EXT_STATUS_DATA_UNDERRUN;
2306 break;
2307
2308 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2309 ql_dbg(ql_dbg_user, vha, 0x70b7,
2310 "Command completed with read data under and write data "
2311 "overrun thread_id=%d\n", thread_id);
2312 rval = EXT_STATUS_DATA_UNDERRUN;
2313 break;
2314
2315 case CS_BIDIR_RD_WR_UNDERRUN:
2316 ql_dbg(ql_dbg_user, vha, 0x70b8,
2317 "Command completed with read and write data underrun "
2318 "thread_id=%d\n", thread_id);
2319 rval = EXT_STATUS_DATA_UNDERRUN;
2320 break;
2321
2322 case CS_BIDIR_DMA:
2323 ql_dbg(ql_dbg_user, vha, 0x70b9,
2324 "Command completed with data DMA error thread_id=%d\n",
2325 thread_id);
2326 rval = EXT_STATUS_DMA_ERR;
2327 break;
2328
2329 case CS_TIMEOUT:
2330 ql_dbg(ql_dbg_user, vha, 0x70ba,
2331 "Command completed with timeout thread_id=%d\n",
2332 thread_id);
2333 rval = EXT_STATUS_TIMEOUT;
2334 break;
2335 default:
2336 ql_dbg(ql_dbg_user, vha, 0x70bb,
2337 "Command completed with completion status=0x%x "
2338 "thread_id=%d\n", comp_status, thread_id);
2339 rval = EXT_STATUS_ERR;
2340 break;
2341 }
2342 bsg_reply->reply_payload_rcv_len = 0;
2343
2344 done:
2345 /* Return the vendor specific reply to API */
2346 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2347 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2348 /* Always return DID_OK, bsg will send the vendor specific response
2349 * in this case only */
2350 sp->done(sp, DID_OK << 16);
2351
2352 }
2353
2354 /**
2355 * qla2x00_status_entry() - Process a Status IOCB entry.
2356 * @vha: SCSI driver HA context
2357 * @rsp: response queue
2358 * @pkt: Entry pointer
2359 */
2360 static void
2361 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2362 {
2363 srb_t *sp;
2364 fc_port_t *fcport;
2365 struct scsi_cmnd *cp;
2366 sts_entry_t *sts;
2367 struct sts_entry_24xx *sts24;
2368 uint16_t comp_status;
2369 uint16_t scsi_status;
2370 uint16_t ox_id;
2371 uint8_t lscsi_status;
2372 int32_t resid;
2373 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2374 fw_resid_len;
2375 uint8_t *rsp_info, *sense_data;
2376 struct qla_hw_data *ha = vha->hw;
2377 uint32_t handle;
2378 uint16_t que;
2379 struct req_que *req;
2380 int logit = 1;
2381 int res = 0;
2382 uint16_t state_flags = 0;
2383 uint16_t retry_delay = 0;
2384
2385 sts = (sts_entry_t *) pkt;
2386 sts24 = (struct sts_entry_24xx *) pkt;
2387 if (IS_FWI2_CAPABLE(ha)) {
2388 comp_status = le16_to_cpu(sts24->comp_status);
2389 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2390 state_flags = le16_to_cpu(sts24->state_flags);
2391 } else {
2392 comp_status = le16_to_cpu(sts->comp_status);
2393 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2394 }
2395 handle = (uint32_t) LSW(sts->handle);
2396 que = MSW(sts->handle);
2397 req = ha->req_q_map[que];
2398
2399 /* Check for invalid queue pointer */
2400 if (req == NULL ||
2401 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2402 ql_dbg(ql_dbg_io, vha, 0x3059,
2403 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2404 "que=%u.\n", sts->handle, req, que);
2405 return;
2406 }
2407
2408 /* Validate handle. */
2409 if (handle < req->num_outstanding_cmds) {
2410 sp = req->outstanding_cmds[handle];
2411 if (!sp) {
2412 ql_dbg(ql_dbg_io, vha, 0x3075,
2413 "%s(%ld): Already returned command for status handle (0x%x).\n",
2414 __func__, vha->host_no, sts->handle);
2415 return;
2416 }
2417 } else {
2418 ql_dbg(ql_dbg_io, vha, 0x3017,
2419 "Invalid status handle, out of range (0x%x).\n",
2420 sts->handle);
2421
2422 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2423 if (IS_P3P_TYPE(ha))
2424 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2425 else
2426 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2427 qla2xxx_wake_dpc(vha);
2428 }
2429 return;
2430 }
2431
2432 if (sp->cmd_type != TYPE_SRB) {
2433 req->outstanding_cmds[handle] = NULL;
2434 ql_dbg(ql_dbg_io, vha, 0x3015,
2435 "Unknown sp->cmd_type %x %p).\n",
2436 sp->cmd_type, sp);
2437 return;
2438 }
2439
2440 /* NVME completion. */
2441 if (sp->type == SRB_NVME_CMD) {
2442 req->outstanding_cmds[handle] = NULL;
2443 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2444 return;
2445 }
2446
2447 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2448 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2449 return;
2450 }
2451
2452 /* Task Management completion. */
2453 if (sp->type == SRB_TM_CMD) {
2454 qla24xx_tm_iocb_entry(vha, req, pkt);
2455 return;
2456 }
2457
2458 /* Fast path completion. */
2459 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2460 qla2x00_process_completed_request(vha, req, handle);
2461
2462 return;
2463 }
2464
2465 req->outstanding_cmds[handle] = NULL;
2466 cp = GET_CMD_SP(sp);
2467 if (cp == NULL) {
2468 ql_dbg(ql_dbg_io, vha, 0x3018,
2469 "Command already returned (0x%x/%p).\n",
2470 sts->handle, sp);
2471
2472 return;
2473 }
2474
2475 lscsi_status = scsi_status & STATUS_MASK;
2476
2477 fcport = sp->fcport;
2478
2479 ox_id = 0;
2480 sense_len = par_sense_len = rsp_info_len = resid_len =
2481 fw_resid_len = 0;
2482 if (IS_FWI2_CAPABLE(ha)) {
2483 if (scsi_status & SS_SENSE_LEN_VALID)
2484 sense_len = le32_to_cpu(sts24->sense_len);
2485 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2486 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2487 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2488 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2489 if (comp_status == CS_DATA_UNDERRUN)
2490 fw_resid_len = le32_to_cpu(sts24->residual_len);
2491 rsp_info = sts24->data;
2492 sense_data = sts24->data;
2493 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2494 ox_id = le16_to_cpu(sts24->ox_id);
2495 par_sense_len = sizeof(sts24->data);
2496 /* Valid values of the retry delay timer are 0x1-0xffef */
2497 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2498 retry_delay = sts24->retry_delay;
2499 } else {
2500 if (scsi_status & SS_SENSE_LEN_VALID)
2501 sense_len = le16_to_cpu(sts->req_sense_length);
2502 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2503 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2504 resid_len = le32_to_cpu(sts->residual_length);
2505 rsp_info = sts->rsp_info;
2506 sense_data = sts->req_sense_data;
2507 par_sense_len = sizeof(sts->req_sense_data);
2508 }
2509
2510 /* Check for any FCP transport errors. */
2511 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2512 /* Sense data lies beyond any FCP RESPONSE data. */
2513 if (IS_FWI2_CAPABLE(ha)) {
2514 sense_data += rsp_info_len;
2515 par_sense_len -= rsp_info_len;
2516 }
2517 if (rsp_info_len > 3 && rsp_info[3]) {
2518 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2519 "FCP I/O protocol failure (0x%x/0x%x).\n",
2520 rsp_info_len, rsp_info[3]);
2521
2522 res = DID_BUS_BUSY << 16;
2523 goto out;
2524 }
2525 }
2526
2527 /* Check for overrun. */
2528 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2529 scsi_status & SS_RESIDUAL_OVER)
2530 comp_status = CS_DATA_OVERRUN;
2531
2532 /*
2533 * Check retry_delay_timer value if we receive a busy or
2534 * queue full.
2535 */
2536 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2537 lscsi_status == SAM_STAT_BUSY)
2538 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2539
2540 /*
2541 * Based on Host and scsi status generate status code for Linux
2542 */
2543 switch (comp_status) {
2544 case CS_COMPLETE:
2545 case CS_QUEUE_FULL:
2546 if (scsi_status == 0) {
2547 res = DID_OK << 16;
2548 break;
2549 }
2550 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2551 resid = resid_len;
2552 scsi_set_resid(cp, resid);
2553
2554 if (!lscsi_status &&
2555 ((unsigned)(scsi_bufflen(cp) - resid) <
2556 cp->underflow)) {
2557 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2558 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2559 resid, scsi_bufflen(cp));
2560
2561 res = DID_ERROR << 16;
2562 break;
2563 }
2564 }
2565 res = DID_OK << 16 | lscsi_status;
2566
2567 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2568 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2569 "QUEUE FULL detected.\n");
2570 break;
2571 }
2572 logit = 0;
2573 if (lscsi_status != SS_CHECK_CONDITION)
2574 break;
2575
2576 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2577 if (!(scsi_status & SS_SENSE_LEN_VALID))
2578 break;
2579
2580 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2581 rsp, res);
2582 break;
2583
2584 case CS_DATA_UNDERRUN:
2585 /* Use F/W calculated residual length. */
2586 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2587 scsi_set_resid(cp, resid);
2588 if (scsi_status & SS_RESIDUAL_UNDER) {
2589 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2590 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2591 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2592 resid, scsi_bufflen(cp));
2593
2594 res = DID_ERROR << 16 | lscsi_status;
2595 goto check_scsi_status;
2596 }
2597
2598 if (!lscsi_status &&
2599 ((unsigned)(scsi_bufflen(cp) - resid) <
2600 cp->underflow)) {
2601 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2602 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2603 resid, scsi_bufflen(cp));
2604
2605 res = DID_ERROR << 16;
2606 break;
2607 }
2608 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2609 lscsi_status != SAM_STAT_BUSY) {
2610 /*
2611 * scsi status of task set and busy are considered to be
2612 * task not completed.
2613 */
2614
2615 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2616 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2617 resid, scsi_bufflen(cp));
2618
2619 res = DID_ERROR << 16 | lscsi_status;
2620 goto check_scsi_status;
2621 } else {
2622 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2623 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2624 scsi_status, lscsi_status);
2625 }
2626
2627 res = DID_OK << 16 | lscsi_status;
2628 logit = 0;
2629
2630 check_scsi_status:
2631 /*
2632 * Check to see if SCSI Status is non zero. If so report SCSI
2633 * Status.
2634 */
2635 if (lscsi_status != 0) {
2636 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2637 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2638 "QUEUE FULL detected.\n");
2639 logit = 1;
2640 break;
2641 }
2642 if (lscsi_status != SS_CHECK_CONDITION)
2643 break;
2644
2645 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2646 if (!(scsi_status & SS_SENSE_LEN_VALID))
2647 break;
2648
2649 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2650 sense_len, rsp, res);
2651 }
2652 break;
2653
2654 case CS_PORT_LOGGED_OUT:
2655 case CS_PORT_CONFIG_CHG:
2656 case CS_PORT_BUSY:
2657 case CS_INCOMPLETE:
2658 case CS_PORT_UNAVAILABLE:
2659 case CS_TIMEOUT:
2660 case CS_RESET:
2661
2662 /*
2663 * We are going to have the fc class block the rport
2664 * while we try to recover so instruct the mid layer
2665 * to requeue until the class decides how to handle this.
2666 */
2667 res = DID_TRANSPORT_DISRUPTED << 16;
2668
2669 if (comp_status == CS_TIMEOUT) {
2670 if (IS_FWI2_CAPABLE(ha))
2671 break;
2672 else if ((le16_to_cpu(sts->status_flags) &
2673 SF_LOGOUT_SENT) == 0)
2674 break;
2675 }
2676
2677 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2678 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2679 "Port to be marked lost on fcport=%02x%02x%02x, current "
2680 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2681 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2682 port_state_str[atomic_read(&fcport->state)],
2683 comp_status);
2684
2685 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2686 qlt_schedule_sess_for_deletion(fcport);
2687 }
2688
2689 break;
2690
2691 case CS_ABORTED:
2692 res = DID_RESET << 16;
2693 break;
2694
2695 case CS_DIF_ERROR:
2696 logit = qla2x00_handle_dif_error(sp, sts24);
2697 res = cp->result;
2698 break;
2699
2700 case CS_TRANSPORT:
2701 res = DID_ERROR << 16;
2702
2703 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2704 break;
2705
2706 if (state_flags & BIT_4)
2707 scmd_printk(KERN_WARNING, cp,
2708 "Unsupported device '%s' found.\n",
2709 cp->device->vendor);
2710 break;
2711
2712 default:
2713 res = DID_ERROR << 16;
2714 break;
2715 }
2716
2717 out:
2718 if (logit)
2719 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2720 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2721 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2722 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2723 comp_status, scsi_status, res, vha->host_no,
2724 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2725 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2726 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2727 resid_len, fw_resid_len, sp, cp);
2728
2729 if (rsp->status_srb == NULL)
2730 sp->done(sp, res);
2731 }
2732
2733 /**
2734 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2735 * @rsp: response queue
2736 * @pkt: Entry pointer
2737 *
2738 * Extended sense data.
2739 */
2740 static void
2741 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2742 {
2743 uint8_t sense_sz = 0;
2744 struct qla_hw_data *ha = rsp->hw;
2745 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2746 srb_t *sp = rsp->status_srb;
2747 struct scsi_cmnd *cp;
2748 uint32_t sense_len;
2749 uint8_t *sense_ptr;
2750
2751 if (!sp || !GET_CMD_SENSE_LEN(sp))
2752 return;
2753
2754 sense_len = GET_CMD_SENSE_LEN(sp);
2755 sense_ptr = GET_CMD_SENSE_PTR(sp);
2756
2757 cp = GET_CMD_SP(sp);
2758 if (cp == NULL) {
2759 ql_log(ql_log_warn, vha, 0x3025,
2760 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2761
2762 rsp->status_srb = NULL;
2763 return;
2764 }
2765
2766 if (sense_len > sizeof(pkt->data))
2767 sense_sz = sizeof(pkt->data);
2768 else
2769 sense_sz = sense_len;
2770
2771 /* Move sense data. */
2772 if (IS_FWI2_CAPABLE(ha))
2773 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2774 memcpy(sense_ptr, pkt->data, sense_sz);
2775 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2776 sense_ptr, sense_sz);
2777
2778 sense_len -= sense_sz;
2779 sense_ptr += sense_sz;
2780
2781 SET_CMD_SENSE_PTR(sp, sense_ptr);
2782 SET_CMD_SENSE_LEN(sp, sense_len);
2783
2784 /* Place command on done queue. */
2785 if (sense_len == 0) {
2786 rsp->status_srb = NULL;
2787 sp->done(sp, cp->result);
2788 }
2789 }
2790
2791 /**
2792 * qla2x00_error_entry() - Process an error entry.
2793 * @vha: SCSI driver HA context
2794 * @rsp: response queue
2795 * @pkt: Entry pointer
2796 * return : 1=allow further error analysis. 0=no additional error analysis.
2797 */
2798 static int
2799 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2800 {
2801 srb_t *sp;
2802 struct qla_hw_data *ha = vha->hw;
2803 const char func[] = "ERROR-IOCB";
2804 uint16_t que = MSW(pkt->handle);
2805 struct req_que *req = NULL;
2806 int res = DID_ERROR << 16;
2807
2808 ql_dbg(ql_dbg_async, vha, 0x502a,
2809 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2810 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2811
2812 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2813 goto fatal;
2814
2815 req = ha->req_q_map[que];
2816
2817 if (pkt->entry_status & RF_BUSY)
2818 res = DID_BUS_BUSY << 16;
2819
2820 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2821 return 0;
2822
2823 switch (pkt->entry_type) {
2824 case NOTIFY_ACK_TYPE:
2825 case STATUS_TYPE:
2826 case STATUS_CONT_TYPE:
2827 case LOGINOUT_PORT_IOCB_TYPE:
2828 case CT_IOCB_TYPE:
2829 case ELS_IOCB_TYPE:
2830 case ABORT_IOCB_TYPE:
2831 case MBX_IOCB_TYPE:
2832 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2833 if (sp) {
2834 sp->done(sp, res);
2835 return 0;
2836 }
2837 break;
2838
2839 case ABTS_RESP_24XX:
2840 case CTIO_TYPE7:
2841 case CTIO_CRC2:
2842 default:
2843 return 1;
2844 }
2845 fatal:
2846 ql_log(ql_log_warn, vha, 0x5030,
2847 "Error entry - invalid handle/queue (%04x).\n", que);
2848 return 0;
2849 }
2850
2851 /**
2852 * qla24xx_mbx_completion() - Process mailbox command completions.
2853 * @vha: SCSI driver HA context
2854 * @mb0: Mailbox0 register
2855 */
2856 static void
2857 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2858 {
2859 uint16_t cnt;
2860 uint32_t mboxes;
2861 uint16_t __iomem *wptr;
2862 struct qla_hw_data *ha = vha->hw;
2863 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2864
2865 /* Read all mbox registers? */
2866 WARN_ON_ONCE(ha->mbx_count > 32);
2867 mboxes = (1ULL << ha->mbx_count) - 1;
2868 if (!ha->mcp)
2869 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2870 else
2871 mboxes = ha->mcp->in_mb;
2872
2873 /* Load return mailbox registers. */
2874 ha->flags.mbox_int = 1;
2875 ha->mailbox_out[0] = mb0;
2876 mboxes >>= 1;
2877 wptr = (uint16_t __iomem *)&reg->mailbox1;
2878
2879 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2880 if (mboxes & BIT_0)
2881 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2882
2883 mboxes >>= 1;
2884 wptr++;
2885 }
2886 }
2887
2888 static void
2889 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2890 struct abort_entry_24xx *pkt)
2891 {
2892 const char func[] = "ABT_IOCB";
2893 srb_t *sp;
2894 struct srb_iocb *abt;
2895
2896 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2897 if (!sp)
2898 return;
2899
2900 abt = &sp->u.iocb_cmd;
2901 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2902 sp->done(sp, 0);
2903 }
2904
2905 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2906 struct pt_ls4_request *pkt, struct req_que *req)
2907 {
2908 srb_t *sp;
2909 const char func[] = "LS4_IOCB";
2910 uint16_t comp_status;
2911
2912 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2913 if (!sp)
2914 return;
2915
2916 comp_status = le16_to_cpu(pkt->status);
2917 sp->done(sp, comp_status);
2918 }
2919
2920 /**
2921 * qla24xx_process_response_queue() - Process response queue entries.
2922 * @vha: SCSI driver HA context
2923 * @rsp: response queue
2924 */
2925 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2926 struct rsp_que *rsp)
2927 {
2928 struct sts_entry_24xx *pkt;
2929 struct qla_hw_data *ha = vha->hw;
2930
2931 if (!ha->flags.fw_started)
2932 return;
2933
2934 if (rsp->qpair->cpuid != smp_processor_id())
2935 qla_cpu_update(rsp->qpair, smp_processor_id());
2936
2937 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2938 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2939
2940 rsp->ring_index++;
2941 if (rsp->ring_index == rsp->length) {
2942 rsp->ring_index = 0;
2943 rsp->ring_ptr = rsp->ring;
2944 } else {
2945 rsp->ring_ptr++;
2946 }
2947
2948 if (pkt->entry_status != 0) {
2949 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2950 goto process_err;
2951
2952 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2953 wmb();
2954 continue;
2955 }
2956 process_err:
2957
2958 switch (pkt->entry_type) {
2959 case STATUS_TYPE:
2960 qla2x00_status_entry(vha, rsp, pkt);
2961 break;
2962 case STATUS_CONT_TYPE:
2963 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2964 break;
2965 case VP_RPT_ID_IOCB_TYPE:
2966 qla24xx_report_id_acquisition(vha,
2967 (struct vp_rpt_id_entry_24xx *)pkt);
2968 break;
2969 case LOGINOUT_PORT_IOCB_TYPE:
2970 qla24xx_logio_entry(vha, rsp->req,
2971 (struct logio_entry_24xx *)pkt);
2972 break;
2973 case CT_IOCB_TYPE:
2974 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2975 break;
2976 case ELS_IOCB_TYPE:
2977 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2978 break;
2979 case ABTS_RECV_24XX:
2980 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2981 /* ensure that the ATIO queue is empty */
2982 qlt_handle_abts_recv(vha, rsp,
2983 (response_t *)pkt);
2984 break;
2985 } else {
2986 qlt_24xx_process_atio_queue(vha, 1);
2987 }
2988 /* fall through */
2989 case ABTS_RESP_24XX:
2990 case CTIO_TYPE7:
2991 case CTIO_CRC2:
2992 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
2993 break;
2994 case PT_LS4_REQUEST:
2995 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
2996 rsp->req);
2997 break;
2998 case NOTIFY_ACK_TYPE:
2999 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3000 qlt_response_pkt_all_vps(vha, rsp,
3001 (response_t *)pkt);
3002 else
3003 qla24xxx_nack_iocb_entry(vha, rsp->req,
3004 (struct nack_to_isp *)pkt);
3005 break;
3006 case MARKER_TYPE:
3007 /* Do nothing in this case, this check is to prevent it
3008 * from falling into default case
3009 */
3010 break;
3011 case ABORT_IOCB_TYPE:
3012 qla24xx_abort_iocb_entry(vha, rsp->req,
3013 (struct abort_entry_24xx *)pkt);
3014 break;
3015 case MBX_IOCB_TYPE:
3016 qla24xx_mbx_iocb_entry(vha, rsp->req,
3017 (struct mbx_24xx_entry *)pkt);
3018 break;
3019 case VP_CTRL_IOCB_TYPE:
3020 qla_ctrlvp_completed(vha, rsp->req,
3021 (struct vp_ctrl_entry_24xx *)pkt);
3022 break;
3023 default:
3024 /* Type Not Supported. */
3025 ql_dbg(ql_dbg_async, vha, 0x5042,
3026 "Received unknown response pkt type %x "
3027 "entry status=%x.\n",
3028 pkt->entry_type, pkt->entry_status);
3029 break;
3030 }
3031 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3032 wmb();
3033 }
3034
3035 /* Adjust ring index */
3036 if (IS_P3P_TYPE(ha)) {
3037 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3038 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
3039 } else {
3040 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3041 }
3042 }
3043
3044 static void
3045 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3046 {
3047 int rval;
3048 uint32_t cnt;
3049 struct qla_hw_data *ha = vha->hw;
3050 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3051
3052 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3053 !IS_QLA27XX(ha))
3054 return;
3055
3056 rval = QLA_SUCCESS;
3057 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
3058 RD_REG_DWORD(&reg->iobase_addr);
3059 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3060 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3061 rval == QLA_SUCCESS; cnt--) {
3062 if (cnt) {
3063 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3064 udelay(10);
3065 } else
3066 rval = QLA_FUNCTION_TIMEOUT;
3067 }
3068 if (rval == QLA_SUCCESS)
3069 goto next_test;
3070
3071 rval = QLA_SUCCESS;
3072 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3073 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3074 rval == QLA_SUCCESS; cnt--) {
3075 if (cnt) {
3076 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3077 udelay(10);
3078 } else
3079 rval = QLA_FUNCTION_TIMEOUT;
3080 }
3081 if (rval != QLA_SUCCESS)
3082 goto done;
3083
3084 next_test:
3085 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
3086 ql_log(ql_log_info, vha, 0x504c,
3087 "Additional code -- 0x55AA.\n");
3088
3089 done:
3090 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3091 RD_REG_DWORD(&reg->iobase_window);
3092 }
3093
3094 /**
3095 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3096 * @irq:
3097 * @dev_id: SCSI driver HA context
3098 *
3099 * Called by system whenever the host adapter generates an interrupt.
3100 *
3101 * Returns handled flag.
3102 */
3103 irqreturn_t
3104 qla24xx_intr_handler(int irq, void *dev_id)
3105 {
3106 scsi_qla_host_t *vha;
3107 struct qla_hw_data *ha;
3108 struct device_reg_24xx __iomem *reg;
3109 int status;
3110 unsigned long iter;
3111 uint32_t stat;
3112 uint32_t hccr;
3113 uint16_t mb[8];
3114 struct rsp_que *rsp;
3115 unsigned long flags;
3116
3117 rsp = (struct rsp_que *) dev_id;
3118 if (!rsp) {
3119 ql_log(ql_log_info, NULL, 0x5059,
3120 "%s: NULL response queue pointer.\n", __func__);
3121 return IRQ_NONE;
3122 }
3123
3124 ha = rsp->hw;
3125 reg = &ha->iobase->isp24;
3126 status = 0;
3127
3128 if (unlikely(pci_channel_offline(ha->pdev)))
3129 return IRQ_HANDLED;
3130
3131 spin_lock_irqsave(&ha->hardware_lock, flags);
3132 vha = pci_get_drvdata(ha->pdev);
3133 for (iter = 50; iter--; ) {
3134 stat = RD_REG_DWORD(&reg->host_status);
3135 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3136 break;
3137 if (stat & HSRX_RISC_PAUSED) {
3138 if (unlikely(pci_channel_offline(ha->pdev)))
3139 break;
3140
3141 hccr = RD_REG_DWORD(&reg->hccr);
3142
3143 ql_log(ql_log_warn, vha, 0x504b,
3144 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3145 hccr);
3146
3147 qla2xxx_check_risc_status(vha);
3148
3149 ha->isp_ops->fw_dump(vha, 1);
3150 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3151 break;
3152 } else if ((stat & HSRX_RISC_INT) == 0)
3153 break;
3154
3155 switch (stat & 0xff) {
3156 case INTR_ROM_MB_SUCCESS:
3157 case INTR_ROM_MB_FAILED:
3158 case INTR_MB_SUCCESS:
3159 case INTR_MB_FAILED:
3160 qla24xx_mbx_completion(vha, MSW(stat));
3161 status |= MBX_INTERRUPT;
3162
3163 break;
3164 case INTR_ASYNC_EVENT:
3165 mb[0] = MSW(stat);
3166 mb[1] = RD_REG_WORD(&reg->mailbox1);
3167 mb[2] = RD_REG_WORD(&reg->mailbox2);
3168 mb[3] = RD_REG_WORD(&reg->mailbox3);
3169 qla2x00_async_event(vha, rsp, mb);
3170 break;
3171 case INTR_RSP_QUE_UPDATE:
3172 case INTR_RSP_QUE_UPDATE_83XX:
3173 qla24xx_process_response_queue(vha, rsp);
3174 break;
3175 case INTR_ATIO_QUE_UPDATE_27XX:
3176 case INTR_ATIO_QUE_UPDATE:{
3177 unsigned long flags2;
3178 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3179 qlt_24xx_process_atio_queue(vha, 1);
3180 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3181 break;
3182 }
3183 case INTR_ATIO_RSP_QUE_UPDATE: {
3184 unsigned long flags2;
3185 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3186 qlt_24xx_process_atio_queue(vha, 1);
3187 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3188
3189 qla24xx_process_response_queue(vha, rsp);
3190 break;
3191 }
3192 default:
3193 ql_dbg(ql_dbg_async, vha, 0x504f,
3194 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3195 break;
3196 }
3197 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3198 RD_REG_DWORD_RELAXED(&reg->hccr);
3199 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3200 ndelay(3500);
3201 }
3202 qla2x00_handle_mbx_completion(ha, status);
3203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3204
3205 return IRQ_HANDLED;
3206 }
3207
3208 static irqreturn_t
3209 qla24xx_msix_rsp_q(int irq, void *dev_id)
3210 {
3211 struct qla_hw_data *ha;
3212 struct rsp_que *rsp;
3213 struct device_reg_24xx __iomem *reg;
3214 struct scsi_qla_host *vha;
3215 unsigned long flags;
3216
3217 rsp = (struct rsp_que *) dev_id;
3218 if (!rsp) {
3219 ql_log(ql_log_info, NULL, 0x505a,
3220 "%s: NULL response queue pointer.\n", __func__);
3221 return IRQ_NONE;
3222 }
3223 ha = rsp->hw;
3224 reg = &ha->iobase->isp24;
3225
3226 spin_lock_irqsave(&ha->hardware_lock, flags);
3227
3228 vha = pci_get_drvdata(ha->pdev);
3229 qla24xx_process_response_queue(vha, rsp);
3230 if (!ha->flags.disable_msix_handshake) {
3231 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3232 RD_REG_DWORD_RELAXED(&reg->hccr);
3233 }
3234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3235
3236 return IRQ_HANDLED;
3237 }
3238
3239 static irqreturn_t
3240 qla24xx_msix_default(int irq, void *dev_id)
3241 {
3242 scsi_qla_host_t *vha;
3243 struct qla_hw_data *ha;
3244 struct rsp_que *rsp;
3245 struct device_reg_24xx __iomem *reg;
3246 int status;
3247 uint32_t stat;
3248 uint32_t hccr;
3249 uint16_t mb[8];
3250 unsigned long flags;
3251
3252 rsp = (struct rsp_que *) dev_id;
3253 if (!rsp) {
3254 ql_log(ql_log_info, NULL, 0x505c,
3255 "%s: NULL response queue pointer.\n", __func__);
3256 return IRQ_NONE;
3257 }
3258 ha = rsp->hw;
3259 reg = &ha->iobase->isp24;
3260 status = 0;
3261
3262 spin_lock_irqsave(&ha->hardware_lock, flags);
3263 vha = pci_get_drvdata(ha->pdev);
3264 do {
3265 stat = RD_REG_DWORD(&reg->host_status);
3266 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3267 break;
3268 if (stat & HSRX_RISC_PAUSED) {
3269 if (unlikely(pci_channel_offline(ha->pdev)))
3270 break;
3271
3272 hccr = RD_REG_DWORD(&reg->hccr);
3273
3274 ql_log(ql_log_info, vha, 0x5050,
3275 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3276 hccr);
3277
3278 qla2xxx_check_risc_status(vha);
3279
3280 ha->isp_ops->fw_dump(vha, 1);
3281 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3282 break;
3283 } else if ((stat & HSRX_RISC_INT) == 0)
3284 break;
3285
3286 switch (stat & 0xff) {
3287 case INTR_ROM_MB_SUCCESS:
3288 case INTR_ROM_MB_FAILED:
3289 case INTR_MB_SUCCESS:
3290 case INTR_MB_FAILED:
3291 qla24xx_mbx_completion(vha, MSW(stat));
3292 status |= MBX_INTERRUPT;
3293
3294 break;
3295 case INTR_ASYNC_EVENT:
3296 mb[0] = MSW(stat);
3297 mb[1] = RD_REG_WORD(&reg->mailbox1);
3298 mb[2] = RD_REG_WORD(&reg->mailbox2);
3299 mb[3] = RD_REG_WORD(&reg->mailbox3);
3300 qla2x00_async_event(vha, rsp, mb);
3301 break;
3302 case INTR_RSP_QUE_UPDATE:
3303 case INTR_RSP_QUE_UPDATE_83XX:
3304 qla24xx_process_response_queue(vha, rsp);
3305 break;
3306 case INTR_ATIO_QUE_UPDATE_27XX:
3307 case INTR_ATIO_QUE_UPDATE:{
3308 unsigned long flags2;
3309 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3310 qlt_24xx_process_atio_queue(vha, 1);
3311 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3312 break;
3313 }
3314 case INTR_ATIO_RSP_QUE_UPDATE: {
3315 unsigned long flags2;
3316 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3317 qlt_24xx_process_atio_queue(vha, 1);
3318 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3319
3320 qla24xx_process_response_queue(vha, rsp);
3321 break;
3322 }
3323 default:
3324 ql_dbg(ql_dbg_async, vha, 0x5051,
3325 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3326 break;
3327 }
3328 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3329 } while (0);
3330 qla2x00_handle_mbx_completion(ha, status);
3331 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3332
3333 return IRQ_HANDLED;
3334 }
3335
3336 irqreturn_t
3337 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3338 {
3339 struct qla_hw_data *ha;
3340 struct qla_qpair *qpair;
3341 struct device_reg_24xx __iomem *reg;
3342 unsigned long flags;
3343
3344 qpair = dev_id;
3345 if (!qpair) {
3346 ql_log(ql_log_info, NULL, 0x505b,
3347 "%s: NULL response queue pointer.\n", __func__);
3348 return IRQ_NONE;
3349 }
3350 ha = qpair->hw;
3351
3352 /* Clear the interrupt, if enabled, for this response queue */
3353 if (unlikely(!ha->flags.disable_msix_handshake)) {
3354 reg = &ha->iobase->isp24;
3355 spin_lock_irqsave(&ha->hardware_lock, flags);
3356 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3357 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3358 }
3359
3360 queue_work(ha->wq, &qpair->q_work);
3361
3362 return IRQ_HANDLED;
3363 }
3364
3365 /* Interrupt handling helpers. */
3366
3367 struct qla_init_msix_entry {
3368 const char *name;
3369 irq_handler_t handler;
3370 };
3371
3372 static const struct qla_init_msix_entry msix_entries[] = {
3373 { "default", qla24xx_msix_default },
3374 { "rsp_q", qla24xx_msix_rsp_q },
3375 { "atio_q", qla83xx_msix_atio_q },
3376 { "qpair_multiq", qla2xxx_msix_rsp_q },
3377 };
3378
3379 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3380 { "qla2xxx (default)", qla82xx_msix_default },
3381 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3382 };
3383
3384 static int
3385 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3386 {
3387 int i, ret;
3388 struct qla_msix_entry *qentry;
3389 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3390 int min_vecs = QLA_BASE_VECTORS;
3391 struct irq_affinity desc = {
3392 .pre_vectors = QLA_BASE_VECTORS,
3393 };
3394
3395 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3396 IS_ATIO_MSIX_CAPABLE(ha)) {
3397 desc.pre_vectors++;
3398 min_vecs++;
3399 }
3400
3401 if (USER_CTRL_IRQ(ha)) {
3402 /* user wants to control IRQ setting for target mode */
3403 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3404 ha->msix_count, PCI_IRQ_MSIX);
3405 } else
3406 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3407 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3408 &desc);
3409
3410 if (ret < 0) {
3411 ql_log(ql_log_fatal, vha, 0x00c7,
3412 "MSI-X: Failed to enable support, "
3413 "giving up -- %d/%d.\n",
3414 ha->msix_count, ret);
3415 goto msix_out;
3416 } else if (ret < ha->msix_count) {
3417 ql_log(ql_log_warn, vha, 0x00c6,
3418 "MSI-X: Failed to enable support "
3419 "with %d vectors, using %d vectors.\n",
3420 ha->msix_count, ret);
3421 ha->msix_count = ret;
3422 /* Recalculate queue values */
3423 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3424 ha->max_req_queues = ha->msix_count - 1;
3425
3426 /* ATIOQ needs 1 vector. That's 1 less QPair */
3427 if (QLA_TGT_MODE_ENABLED())
3428 ha->max_req_queues--;
3429
3430 ha->max_rsp_queues = ha->max_req_queues;
3431
3432 ha->max_qpairs = ha->max_req_queues - 1;
3433 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3434 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3435 }
3436 }
3437 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3438 ha->msix_count, GFP_KERNEL);
3439 if (!ha->msix_entries) {
3440 ql_log(ql_log_fatal, vha, 0x00c8,
3441 "Failed to allocate memory for ha->msix_entries.\n");
3442 ret = -ENOMEM;
3443 goto msix_out;
3444 }
3445 ha->flags.msix_enabled = 1;
3446
3447 for (i = 0; i < ha->msix_count; i++) {
3448 qentry = &ha->msix_entries[i];
3449 qentry->vector = pci_irq_vector(ha->pdev, i);
3450 qentry->entry = i;
3451 qentry->have_irq = 0;
3452 qentry->in_use = 0;
3453 qentry->handle = NULL;
3454 }
3455
3456 /* Enable MSI-X vectors for the base queue */
3457 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3458 qentry = &ha->msix_entries[i];
3459 qentry->handle = rsp;
3460 rsp->msix = qentry;
3461 scnprintf(qentry->name, sizeof(qentry->name),
3462 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3463 if (IS_P3P_TYPE(ha))
3464 ret = request_irq(qentry->vector,
3465 qla82xx_msix_entries[i].handler,
3466 0, qla82xx_msix_entries[i].name, rsp);
3467 else
3468 ret = request_irq(qentry->vector,
3469 msix_entries[i].handler,
3470 0, qentry->name, rsp);
3471 if (ret)
3472 goto msix_register_fail;
3473 qentry->have_irq = 1;
3474 qentry->in_use = 1;
3475 }
3476
3477 /*
3478 * If target mode is enable, also request the vector for the ATIO
3479 * queue.
3480 */
3481 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3482 IS_ATIO_MSIX_CAPABLE(ha)) {
3483 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3484 rsp->msix = qentry;
3485 qentry->handle = rsp;
3486 scnprintf(qentry->name, sizeof(qentry->name),
3487 "qla2xxx%lu_%s", vha->host_no,
3488 msix_entries[QLA_ATIO_VECTOR].name);
3489 qentry->in_use = 1;
3490 ret = request_irq(qentry->vector,
3491 msix_entries[QLA_ATIO_VECTOR].handler,
3492 0, qentry->name, rsp);
3493 qentry->have_irq = 1;
3494 }
3495
3496 msix_register_fail:
3497 if (ret) {
3498 ql_log(ql_log_fatal, vha, 0x00cb,
3499 "MSI-X: unable to register handler -- %x/%d.\n",
3500 qentry->vector, ret);
3501 qla2x00_free_irqs(vha);
3502 ha->mqenable = 0;
3503 goto msix_out;
3504 }
3505
3506 /* Enable MSI-X vector for response queue update for queue 0 */
3507 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3508 if (ha->msixbase && ha->mqiobase &&
3509 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3510 ql2xmqsupport))
3511 ha->mqenable = 1;
3512 } else
3513 if (ha->mqiobase &&
3514 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3515 ql2xmqsupport))
3516 ha->mqenable = 1;
3517 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3518 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3519 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3520 ql_dbg(ql_dbg_init, vha, 0x0055,
3521 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3522 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3523
3524 msix_out:
3525 return ret;
3526 }
3527
3528 int
3529 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3530 {
3531 int ret = QLA_FUNCTION_FAILED;
3532 device_reg_t *reg = ha->iobase;
3533 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3534
3535 /* If possible, enable MSI-X. */
3536 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3537 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3538 !IS_QLAFX00(ha) && !IS_QLA27XX(ha)))
3539 goto skip_msi;
3540
3541 if (ql2xenablemsix == 2)
3542 goto skip_msix;
3543
3544 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3545 (ha->pdev->subsystem_device == 0x7040 ||
3546 ha->pdev->subsystem_device == 0x7041 ||
3547 ha->pdev->subsystem_device == 0x1705)) {
3548 ql_log(ql_log_warn, vha, 0x0034,
3549 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3550 ha->pdev->subsystem_vendor,
3551 ha->pdev->subsystem_device);
3552 goto skip_msi;
3553 }
3554
3555 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3556 ql_log(ql_log_warn, vha, 0x0035,
3557 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3558 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3559 goto skip_msix;
3560 }
3561
3562 ret = qla24xx_enable_msix(ha, rsp);
3563 if (!ret) {
3564 ql_dbg(ql_dbg_init, vha, 0x0036,
3565 "MSI-X: Enabled (0x%X, 0x%X).\n",
3566 ha->chip_revision, ha->fw_attributes);
3567 goto clear_risc_ints;
3568 }
3569
3570 skip_msix:
3571
3572 ql_log(ql_log_info, vha, 0x0037,
3573 "Falling back-to MSI mode -%d.\n", ret);
3574
3575 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3576 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3577 !IS_QLA27XX(ha))
3578 goto skip_msi;
3579
3580 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3581 if (!ret) {
3582 ql_dbg(ql_dbg_init, vha, 0x0038,
3583 "MSI: Enabled.\n");
3584 ha->flags.msi_enabled = 1;
3585 } else
3586 ql_log(ql_log_warn, vha, 0x0039,
3587 "Falling back-to INTa mode -- %d.\n", ret);
3588 skip_msi:
3589
3590 /* Skip INTx on ISP82xx. */
3591 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3592 return QLA_FUNCTION_FAILED;
3593
3594 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3595 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3596 QLA2XXX_DRIVER_NAME, rsp);
3597 if (ret) {
3598 ql_log(ql_log_warn, vha, 0x003a,
3599 "Failed to reserve interrupt %d already in use.\n",
3600 ha->pdev->irq);
3601 goto fail;
3602 } else if (!ha->flags.msi_enabled) {
3603 ql_dbg(ql_dbg_init, vha, 0x0125,
3604 "INTa mode: Enabled.\n");
3605 ha->flags.mr_intr_valid = 1;
3606 }
3607
3608 clear_risc_ints:
3609 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3610 goto fail;
3611
3612 spin_lock_irq(&ha->hardware_lock);
3613 WRT_REG_WORD(&reg->isp.semaphore, 0);
3614 spin_unlock_irq(&ha->hardware_lock);
3615
3616 fail:
3617 return ret;
3618 }
3619
3620 void
3621 qla2x00_free_irqs(scsi_qla_host_t *vha)
3622 {
3623 struct qla_hw_data *ha = vha->hw;
3624 struct rsp_que *rsp;
3625 struct qla_msix_entry *qentry;
3626 int i;
3627
3628 /*
3629 * We need to check that ha->rsp_q_map is valid in case we are called
3630 * from a probe failure context.
3631 */
3632 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3633 goto free_irqs;
3634 rsp = ha->rsp_q_map[0];
3635
3636 if (ha->flags.msix_enabled) {
3637 for (i = 0; i < ha->msix_count; i++) {
3638 qentry = &ha->msix_entries[i];
3639 if (qentry->have_irq) {
3640 irq_set_affinity_notifier(qentry->vector, NULL);
3641 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3642 }
3643 }
3644 kfree(ha->msix_entries);
3645 ha->msix_entries = NULL;
3646 ha->flags.msix_enabled = 0;
3647 ql_dbg(ql_dbg_init, vha, 0x0042,
3648 "Disabled MSI-X.\n");
3649 } else {
3650 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3651 }
3652
3653 free_irqs:
3654 pci_free_irq_vectors(ha->pdev);
3655 }
3656
3657 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3658 struct qla_msix_entry *msix, int vector_type)
3659 {
3660 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3661 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3662 int ret;
3663
3664 scnprintf(msix->name, sizeof(msix->name),
3665 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3666 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3667 if (ret) {
3668 ql_log(ql_log_fatal, vha, 0x00e6,
3669 "MSI-X: Unable to register handler -- %x/%d.\n",
3670 msix->vector, ret);
3671 return ret;
3672 }
3673 msix->have_irq = 1;
3674 msix->handle = qpair;
3675 return ret;
3676 }
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