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mic: vop: Fix use-after-free on remove
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_isr.c
blob8507c43b918cfa29a4027f6f6621ee4212598e75
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/cpu.h>
13 #include <linux/t10-pi.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsi_bsg_fc.h>
16 #include <scsi/scsi_eh.h>
17 #include <scsi/fc/fc_fs.h>
18 #include <linux/nvme-fc-driver.h>
19
20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25
26 /**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq: interrupt number
29 * @dev_id: SCSI driver HA context
30 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35 irqreturn_t
36 qla2100_intr_handler(int irq, void *dev_id)
37 {
38 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
40 struct device_reg_2xxx __iomem *reg;
41 int status;
42 unsigned long iter;
43 uint16_t hccr;
44 uint16_t mb[4];
45 struct rsp_que *rsp;
46 unsigned long flags;
47
48 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
50 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
52 return (IRQ_NONE);
53 }
54
55 ha = rsp->hw;
56 reg = &ha->iobase->isp;
57 status = 0;
58
59 spin_lock_irqsave(&ha->hardware_lock, flags);
60 vha = pci_get_drvdata(ha->pdev);
61 for (iter = 50; iter--; ) {
62 hccr = RD_REG_WORD(&reg->hccr);
63 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
64 break;
65 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
71 * bit to be cleared. Schedule a big hammer to get
72 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(&reg->hccr);
76
77 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
79 break;
80 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
81 break;
82
83 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
84 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(&reg->hccr);
86
87 /* Get mailbox data. */
88 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
90 qla2x00_mbx_completion(vha, mb[0]);
91 status |= MBX_INTERRUPT;
92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
96 qla2x00_async_event(vha, rsp, mb);
97 } else {
98 /*EMPTY*/
99 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(&reg->semaphore, 0);
105 RD_REG_WORD(&reg->semaphore);
106 } else {
107 qla2x00_process_response_queue(rsp);
108
109 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(&reg->hccr);
111 }
112 }
113 qla2x00_handle_mbx_completion(ha, status);
114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
115
116 return (IRQ_HANDLED);
117 }
118
119 bool
120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
121 {
122 /* Check for PCI disconnection */
123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
134 return true;
135 } else
136 return false;
137 }
138
139 bool
140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141 {
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143 }
144
145 /**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq: interrupt number
148 * @dev_id: SCSI driver HA context
149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154 irqreturn_t
155 qla2300_intr_handler(int irq, void *dev_id)
156 {
157 scsi_qla_host_t *vha;
158 struct device_reg_2xxx __iomem *reg;
159 int status;
160 unsigned long iter;
161 uint32_t stat;
162 uint16_t hccr;
163 uint16_t mb[4];
164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
166 unsigned long flags;
167
168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
172 return (IRQ_NONE);
173 }
174
175 ha = rsp->hw;
176 reg = &ha->iobase->isp;
177 status = 0;
178
179 spin_lock_irqsave(&ha->hardware_lock, flags);
180 vha = pci_get_drvdata(ha->pdev);
181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
184 break;
185 if (stat & HSR_RISC_PAUSED) {
186 if (unlikely(pci_channel_offline(ha->pdev)))
187 break;
188
189 hccr = RD_REG_WORD(&reg->hccr);
190
191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
195 else
196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
203 * hammer to get out of the RISC PAUSED state.
204 */
205 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(&reg->hccr);
207
208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
214 switch (stat & 0xff) {
215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
219 qla2x00_mbx_completion(vha, MSW(stat));
220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(&reg->semaphore, 0);
224 break;
225 case 0x12:
226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
230 qla2x00_async_event(vha, rsp, mb);
231 break;
232 case 0x13:
233 qla2x00_process_response_queue(rsp);
234 break;
235 case 0x15:
236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x16:
241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
244 qla2x00_async_event(vha, rsp, mb);
245 break;
246 default:
247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
249 break;
250 }
251 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(&reg->hccr);
253 }
254 qla2x00_handle_mbx_completion(ha, status);
255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
256
257 return (IRQ_HANDLED);
258 }
259
260 /**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
262 * @vha: SCSI driver HA context
263 * @mb0: Mailbox0 register
264 */
265 static void
266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
267 {
268 uint16_t cnt;
269 uint32_t mboxes;
270 uint16_t __iomem *wptr;
271 struct qla_hw_data *ha = vha->hw;
272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
273
274 /* Read all mbox registers? */
275 WARN_ON_ONCE(ha->mbx_count > 32);
276 mboxes = (1ULL << ha->mbx_count) - 1;
277 if (!ha->mcp)
278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
279 else
280 mboxes = ha->mcp->in_mb;
281
282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
285 mboxes >>= 1;
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
287
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
289 if (IS_QLA2200(ha) && cnt == 8)
290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
293 else if (mboxes & BIT_0)
294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
295
296 wptr++;
297 mboxes >>= 1;
298 }
299 }
300
301 static void
302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
303 {
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
306 int rval;
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
311
312 /* Seed data -- mailbox1 -> mailbox7. */
313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)&reg24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
317 else
318 return;
319
320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
322
323 ql_dbg(ql_dbg_async, vha, 0x5021,
324 "Inter-Driver Communication %s -- "
325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
328 switch (aen) {
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
331 if (mb[1] >> 15) {
332 vha->hw->flags.idc_compl_status = 1;
333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
334 complete(&vha->hw->dcbx_comp);
335 }
336 break;
337
338 case MBA_IDC_NOTIFY:
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
344
345 if (!timeout)
346 return;
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
351 break;
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
358 break;
359 }
360 }
361
362 #define LS_UNKNOWN 2
363 const char *
364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
365 {
366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
368 };
369 #define QLA_LAST_SPEED 7
370
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
372 return link_speeds[0];
373 else if (speed == 0x13)
374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
376 return link_speeds[speed];
377 else
378 return link_speeds[LS_UNKNOWN];
379 }
380
381 static void
382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
383 {
384 struct qla_hw_data *ha = vha->hw;
385
386 /*
387 * 8200 AEN Interpretation:
388 * mb[0] = AEN code
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
396 */
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
403
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
409
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
412
413 /*
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
425 */
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
438 "Not a fatal error, f/w has recovered itself.\n");
439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
458 uint16_t sfp_additional_info, sfp_multirate;
459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
498 sfp_additional_info = (mb[6] & 0x0003);
499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
514 htbt_counter, htbt_monitor_enable,
515 sfp_additional_info, sfp_multirate);
516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
536 if (ha->flags.nic_core_reset_owner)
537 return;
538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540 }
541
542 int
543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544 {
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565 }
566
567 fc_port_t *
568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569 {
570 fc_port_t *f, *tf;
571
572 f = tf = NULL;
573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
574 if (f->loop_id == loop_id)
575 return f;
576 return NULL;
577 }
578
579 fc_port_t *
580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
581 {
582 fc_port_t *f, *tf;
583
584 f = tf = NULL;
585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
587 if (incl_deleted)
588 return f;
589 else if (f->deleted == 0)
590 return f;
591 }
592 }
593 return NULL;
594 }
595
596 fc_port_t *
597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
598 u8 incl_deleted)
599 {
600 fc_port_t *f, *tf;
601
602 f = tf = NULL;
603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
604 if (f->d_id.b24 == id->b24) {
605 if (incl_deleted)
606 return f;
607 else if (f->deleted == 0)
608 return f;
609 }
610 }
611 return NULL;
612 }
613
614 /**
615 * qla2x00_async_event() - Process aynchronous events.
616 * @vha: SCSI driver HA context
617 * @rsp: response queue
618 * @mb: Mailbox registers (0 - 3)
619 */
620 void
621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
622 {
623 uint16_t handle_cnt;
624 uint16_t cnt, mbx;
625 uint32_t handles[5];
626 struct qla_hw_data *ha = vha->hw;
627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
630 uint32_t rscn_entry, host_pid;
631 unsigned long flags;
632 fc_port_t *fcport = NULL;
633
634 if (!vha->hw->flags.fw_started)
635 return;
636
637 /* Setup to process RIO completion. */
638 handle_cnt = 0;
639 if (IS_CNA_CAPABLE(ha))
640 goto skip_rio;
641 switch (mb[0]) {
642 case MBA_SCSI_COMPLETION:
643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
644 handle_cnt = 1;
645 break;
646 case MBA_CMPLT_1_16BIT:
647 handles[0] = mb[1];
648 handle_cnt = 1;
649 mb[0] = MBA_SCSI_COMPLETION;
650 break;
651 case MBA_CMPLT_2_16BIT:
652 handles[0] = mb[1];
653 handles[1] = mb[2];
654 handle_cnt = 2;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_3_16BIT:
658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
661 handle_cnt = 3;
662 mb[0] = MBA_SCSI_COMPLETION;
663 break;
664 case MBA_CMPLT_4_16BIT:
665 handles[0] = mb[1];
666 handles[1] = mb[2];
667 handles[2] = mb[3];
668 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
669 handle_cnt = 4;
670 mb[0] = MBA_SCSI_COMPLETION;
671 break;
672 case MBA_CMPLT_5_16BIT:
673 handles[0] = mb[1];
674 handles[1] = mb[2];
675 handles[2] = mb[3];
676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
677 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
678 handle_cnt = 5;
679 mb[0] = MBA_SCSI_COMPLETION;
680 break;
681 case MBA_CMPLT_2_32BIT:
682 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
683 handles[1] = le32_to_cpu(
684 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
685 RD_MAILBOX_REG(ha, reg, 6));
686 handle_cnt = 2;
687 mb[0] = MBA_SCSI_COMPLETION;
688 break;
689 default:
690 break;
691 }
692 skip_rio:
693 switch (mb[0]) {
694 case MBA_SCSI_COMPLETION: /* Fast Post */
695 if (!vha->flags.online)
696 break;
697
698 for (cnt = 0; cnt < handle_cnt; cnt++)
699 qla2x00_process_completed_request(vha, rsp->req,
700 handles[cnt]);
701 break;
702
703 case MBA_RESET: /* Reset */
704 ql_dbg(ql_dbg_async, vha, 0x5002,
705 "Asynchronous RESET.\n");
706
707 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
708 break;
709
710 case MBA_SYSTEM_ERR: /* System Error */
711 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
712 RD_REG_WORD(&reg24->mailbox7) : 0;
713 ql_log(ql_log_warn, vha, 0x5003,
714 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
715 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
716
717 ha->isp_ops->fw_dump(vha, 1);
718 ha->flags.fw_init_done = 0;
719 QLA_FW_STOPPED(ha);
720
721 if (IS_FWI2_CAPABLE(ha)) {
722 if (mb[1] == 0 && mb[2] == 0) {
723 ql_log(ql_log_fatal, vha, 0x5004,
724 "Unrecoverable Hardware Error: adapter "
725 "marked OFFLINE!\n");
726 vha->flags.online = 0;
727 vha->device_flags |= DFLG_DEV_FAILED;
728 } else {
729 /* Check to see if MPI timeout occurred */
730 if ((mbx & MBX_3) && (ha->port_no == 0))
731 set_bit(MPI_RESET_NEEDED,
732 &vha->dpc_flags);
733
734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
735 }
736 } else if (mb[1] == 0) {
737 ql_log(ql_log_fatal, vha, 0x5005,
738 "Unrecoverable Hardware Error: adapter marked "
739 "OFFLINE!\n");
740 vha->flags.online = 0;
741 vha->device_flags |= DFLG_DEV_FAILED;
742 } else
743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
744 break;
745
746 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
747 ql_log(ql_log_warn, vha, 0x5006,
748 "ISP Request Transfer Error (%x).\n", mb[1]);
749
750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
751 break;
752
753 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
754 ql_log(ql_log_warn, vha, 0x5007,
755 "ISP Response Transfer Error (%x).\n", mb[1]);
756
757 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
758 break;
759
760 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
761 ql_dbg(ql_dbg_async, vha, 0x5008,
762 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
763 break;
764
765 case MBA_LOOP_INIT_ERR:
766 ql_log(ql_log_warn, vha, 0x5090,
767 "LOOP INIT ERROR (%x).\n", mb[1]);
768 ha->isp_ops->fw_dump(vha, 1);
769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
770 break;
771
772 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
773 ha->flags.lip_ae = 1;
774
775 ql_dbg(ql_dbg_async, vha, 0x5009,
776 "LIP occurred (%x).\n", mb[1]);
777
778 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
779 atomic_set(&vha->loop_state, LOOP_DOWN);
780 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
781 qla2x00_mark_all_devices_lost(vha, 1);
782 }
783
784 if (vha->vp_idx) {
785 atomic_set(&vha->vp_state, VP_FAILED);
786 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
787 }
788
789 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
790 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
791
792 vha->flags.management_server_logged_in = 0;
793 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
794 break;
795
796 case MBA_LOOP_UP: /* Loop Up Event */
797 if (IS_QLA2100(ha) || IS_QLA2200(ha))
798 ha->link_data_rate = PORT_SPEED_1GB;
799 else
800 ha->link_data_rate = mb[1];
801
802 ql_log(ql_log_info, vha, 0x500a,
803 "LOOP UP detected (%s Gbps).\n",
804 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
805
806 vha->flags.management_server_logged_in = 0;
807 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
808
809 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
810 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
811 qla2xxx_wake_dpc(vha);
812 }
813 break;
814
815 case MBA_LOOP_DOWN: /* Loop Down Event */
816 SAVE_TOPO(ha);
817 ha->flags.lip_ae = 0;
818 ha->current_topology = 0;
819
820 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
821 ? RD_REG_WORD(&reg24->mailbox4) : 0;
822 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
823 : mbx;
824 ql_log(ql_log_info, vha, 0x500b,
825 "LOOP DOWN detected (%x %x %x %x).\n",
826 mb[1], mb[2], mb[3], mbx);
827
828 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
829 atomic_set(&vha->loop_state, LOOP_DOWN);
830 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
831 /*
832 * In case of loop down, restore WWPN from
833 * NVRAM in case of FA-WWPN capable ISP
834 * Restore for Physical Port only
835 */
836 if (!vha->vp_idx) {
837 if (ha->flags.fawwpn_enabled) {
838 void *wwpn = ha->init_cb->port_name;
839 memcpy(vha->port_name, wwpn, WWN_SIZE);
840 fc_host_port_name(vha->host) =
841 wwn_to_u64(vha->port_name);
842 ql_dbg(ql_dbg_init + ql_dbg_verbose,
843 vha, 0x00d8, "LOOP DOWN detected,"
844 "restore WWPN %016llx\n",
845 wwn_to_u64(vha->port_name));
846 }
847
848 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
849 }
850
851 vha->device_flags |= DFLG_NO_CABLE;
852 qla2x00_mark_all_devices_lost(vha, 1);
853 }
854
855 if (vha->vp_idx) {
856 atomic_set(&vha->vp_state, VP_FAILED);
857 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
858 }
859
860 vha->flags.management_server_logged_in = 0;
861 ha->link_data_rate = PORT_SPEED_UNKNOWN;
862 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
863 break;
864
865 case MBA_LIP_RESET: /* LIP reset occurred */
866 ql_dbg(ql_dbg_async, vha, 0x500c,
867 "LIP reset occurred (%x).\n", mb[1]);
868
869 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
870 atomic_set(&vha->loop_state, LOOP_DOWN);
871 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
872 qla2x00_mark_all_devices_lost(vha, 1);
873 }
874
875 if (vha->vp_idx) {
876 atomic_set(&vha->vp_state, VP_FAILED);
877 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
878 }
879
880 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
881
882 ha->operating_mode = LOOP;
883 vha->flags.management_server_logged_in = 0;
884 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
885 break;
886
887 /* case MBA_DCBX_COMPLETE: */
888 case MBA_POINT_TO_POINT: /* Point-to-Point */
889 ha->flags.lip_ae = 0;
890
891 if (IS_QLA2100(ha))
892 break;
893
894 if (IS_CNA_CAPABLE(ha)) {
895 ql_dbg(ql_dbg_async, vha, 0x500d,
896 "DCBX Completed -- %04x %04x %04x.\n",
897 mb[1], mb[2], mb[3]);
898 if (ha->notify_dcbx_comp && !vha->vp_idx)
899 complete(&ha->dcbx_comp);
900
901 } else
902 ql_dbg(ql_dbg_async, vha, 0x500e,
903 "Asynchronous P2P MODE received.\n");
904
905 /*
906 * Until there's a transition from loop down to loop up, treat
907 * this as loop down only.
908 */
909 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
910 atomic_set(&vha->loop_state, LOOP_DOWN);
911 if (!atomic_read(&vha->loop_down_timer))
912 atomic_set(&vha->loop_down_timer,
913 LOOP_DOWN_TIME);
914 if (!N2N_TOPO(ha))
915 qla2x00_mark_all_devices_lost(vha, 1);
916 }
917
918 if (vha->vp_idx) {
919 atomic_set(&vha->vp_state, VP_FAILED);
920 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
921 }
922
923 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
924 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
925
926 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
927 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
928
929 vha->flags.management_server_logged_in = 0;
930 break;
931
932 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
933 if (IS_QLA2100(ha))
934 break;
935
936 ql_dbg(ql_dbg_async, vha, 0x500f,
937 "Configuration change detected: value=%x.\n", mb[1]);
938
939 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
940 atomic_set(&vha->loop_state, LOOP_DOWN);
941 if (!atomic_read(&vha->loop_down_timer))
942 atomic_set(&vha->loop_down_timer,
943 LOOP_DOWN_TIME);
944 qla2x00_mark_all_devices_lost(vha, 1);
945 }
946
947 if (vha->vp_idx) {
948 atomic_set(&vha->vp_state, VP_FAILED);
949 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
950 }
951
952 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
953 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
954 break;
955
956 case MBA_PORT_UPDATE: /* Port database update */
957 /*
958 * Handle only global and vn-port update events
959 *
960 * Relevant inputs:
961 * mb[1] = N_Port handle of changed port
962 * OR 0xffff for global event
963 * mb[2] = New login state
964 * 7 = Port logged out
965 * mb[3] = LSB is vp_idx, 0xff = all vps
966 *
967 * Skip processing if:
968 * Event is global, vp_idx is NOT all vps,
969 * vp_idx does not match
970 * Event is not global, vp_idx does not match
971 */
972 if (IS_QLA2XXX_MIDTYPE(ha) &&
973 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
974 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
975 break;
976
977 if (mb[2] == 0x7) {
978 ql_dbg(ql_dbg_async, vha, 0x5010,
979 "Port %s %04x %04x %04x.\n",
980 mb[1] == 0xffff ? "unavailable" : "logout",
981 mb[1], mb[2], mb[3]);
982
983 if (mb[1] == 0xffff)
984 goto global_port_update;
985
986 if (mb[1] == NPH_SNS_LID(ha)) {
987 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
988 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
989 break;
990 }
991
992 /* use handle_cnt for loop id/nport handle */
993 if (IS_FWI2_CAPABLE(ha))
994 handle_cnt = NPH_SNS;
995 else
996 handle_cnt = SIMPLE_NAME_SERVER;
997 if (mb[1] == handle_cnt) {
998 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
999 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1000 break;
1001 }
1002
1003 /* Port logout */
1004 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1005 if (!fcport)
1006 break;
1007 if (atomic_read(&fcport->state) != FCS_ONLINE)
1008 break;
1009 ql_dbg(ql_dbg_async, vha, 0x508a,
1010 "Marking port lost loopid=%04x portid=%06x.\n",
1011 fcport->loop_id, fcport->d_id.b24);
1012 if (qla_ini_mode_enabled(vha)) {
1013 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1014 fcport->logout_on_delete = 0;
1015 qlt_schedule_sess_for_deletion(fcport);
1016 }
1017 break;
1018
1019 global_port_update:
1020 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1021 atomic_set(&vha->loop_state, LOOP_DOWN);
1022 atomic_set(&vha->loop_down_timer,
1023 LOOP_DOWN_TIME);
1024 vha->device_flags |= DFLG_NO_CABLE;
1025 qla2x00_mark_all_devices_lost(vha, 1);
1026 }
1027
1028 if (vha->vp_idx) {
1029 atomic_set(&vha->vp_state, VP_FAILED);
1030 fc_vport_set_state(vha->fc_vport,
1031 FC_VPORT_FAILED);
1032 qla2x00_mark_all_devices_lost(vha, 1);
1033 }
1034
1035 vha->flags.management_server_logged_in = 0;
1036 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1037 break;
1038 }
1039
1040 /*
1041 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1042 * event etc. earlier indicating loop is down) then process
1043 * it. Otherwise ignore it and Wait for RSCN to come in.
1044 */
1045 atomic_set(&vha->loop_down_timer, 0);
1046 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1047 !ha->flags.n2n_ae &&
1048 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1049 ql_dbg(ql_dbg_async, vha, 0x5011,
1050 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1051 mb[1], mb[2], mb[3]);
1052
1053 qlt_async_event(mb[0], vha, mb);
1054 break;
1055 }
1056
1057 ql_dbg(ql_dbg_async, vha, 0x5012,
1058 "Port database changed %04x %04x %04x.\n",
1059 mb[1], mb[2], mb[3]);
1060
1061 /*
1062 * Mark all devices as missing so we will login again.
1063 */
1064 atomic_set(&vha->loop_state, LOOP_UP);
1065 vha->scan.scan_retry = 0;
1066
1067 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1068 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1069 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1070
1071 qlt_async_event(mb[0], vha, mb);
1072 break;
1073
1074 case MBA_RSCN_UPDATE: /* State Change Registration */
1075 /* Check if the Vport has issued a SCR */
1076 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1077 break;
1078 /* Only handle SCNs for our Vport index. */
1079 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1080 break;
1081
1082 ql_dbg(ql_dbg_async, vha, 0x5013,
1083 "RSCN database changed -- %04x %04x %04x.\n",
1084 mb[1], mb[2], mb[3]);
1085
1086 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1087 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1088 | vha->d_id.b.al_pa;
1089 if (rscn_entry == host_pid) {
1090 ql_dbg(ql_dbg_async, vha, 0x5014,
1091 "Ignoring RSCN update to local host "
1092 "port ID (%06x).\n", host_pid);
1093 break;
1094 }
1095
1096 /* Ignore reserved bits from RSCN-payload. */
1097 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1098
1099 /* Skip RSCNs for virtual ports on the same physical port */
1100 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1101 break;
1102
1103 atomic_set(&vha->loop_down_timer, 0);
1104 vha->flags.management_server_logged_in = 0;
1105 {
1106 struct event_arg ea;
1107
1108 memset(&ea, 0, sizeof(ea));
1109 ea.event = FCME_RSCN;
1110 ea.id.b24 = rscn_entry;
1111 ea.id.b.rsvd_1 = rscn_entry >> 24;
1112 qla2x00_fcport_event_handler(vha, &ea);
1113 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1114 }
1115 break;
1116 /* case MBA_RIO_RESPONSE: */
1117 case MBA_ZIO_RESPONSE:
1118 ql_dbg(ql_dbg_async, vha, 0x5015,
1119 "[R|Z]IO update completion.\n");
1120
1121 if (IS_FWI2_CAPABLE(ha))
1122 qla24xx_process_response_queue(vha, rsp);
1123 else
1124 qla2x00_process_response_queue(rsp);
1125 break;
1126
1127 case MBA_DISCARD_RND_FRAME:
1128 ql_dbg(ql_dbg_async, vha, 0x5016,
1129 "Discard RND Frame -- %04x %04x %04x.\n",
1130 mb[1], mb[2], mb[3]);
1131 break;
1132
1133 case MBA_TRACE_NOTIFICATION:
1134 ql_dbg(ql_dbg_async, vha, 0x5017,
1135 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1136 break;
1137
1138 case MBA_ISP84XX_ALERT:
1139 ql_dbg(ql_dbg_async, vha, 0x5018,
1140 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1141 mb[1], mb[2], mb[3]);
1142
1143 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1144 switch (mb[1]) {
1145 case A84_PANIC_RECOVERY:
1146 ql_log(ql_log_info, vha, 0x5019,
1147 "Alert 84XX: panic recovery %04x %04x.\n",
1148 mb[2], mb[3]);
1149 break;
1150 case A84_OP_LOGIN_COMPLETE:
1151 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1152 ql_log(ql_log_info, vha, 0x501a,
1153 "Alert 84XX: firmware version %x.\n",
1154 ha->cs84xx->op_fw_version);
1155 break;
1156 case A84_DIAG_LOGIN_COMPLETE:
1157 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1158 ql_log(ql_log_info, vha, 0x501b,
1159 "Alert 84XX: diagnostic firmware version %x.\n",
1160 ha->cs84xx->diag_fw_version);
1161 break;
1162 case A84_GOLD_LOGIN_COMPLETE:
1163 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1164 ha->cs84xx->fw_update = 1;
1165 ql_log(ql_log_info, vha, 0x501c,
1166 "Alert 84XX: gold firmware version %x.\n",
1167 ha->cs84xx->gold_fw_version);
1168 break;
1169 default:
1170 ql_log(ql_log_warn, vha, 0x501d,
1171 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1172 mb[1], mb[2], mb[3]);
1173 }
1174 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1175 break;
1176 case MBA_DCBX_START:
1177 ql_dbg(ql_dbg_async, vha, 0x501e,
1178 "DCBX Started -- %04x %04x %04x.\n",
1179 mb[1], mb[2], mb[3]);
1180 break;
1181 case MBA_DCBX_PARAM_UPDATE:
1182 ql_dbg(ql_dbg_async, vha, 0x501f,
1183 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1184 mb[1], mb[2], mb[3]);
1185 break;
1186 case MBA_FCF_CONF_ERR:
1187 ql_dbg(ql_dbg_async, vha, 0x5020,
1188 "FCF Configuration Error -- %04x %04x %04x.\n",
1189 mb[1], mb[2], mb[3]);
1190 break;
1191 case MBA_IDC_NOTIFY:
1192 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1193 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1194 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1195 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1196 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1197 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1198 /*
1199 * Extend loop down timer since port is active.
1200 */
1201 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1202 atomic_set(&vha->loop_down_timer,
1203 LOOP_DOWN_TIME);
1204 qla2xxx_wake_dpc(vha);
1205 }
1206 }
1207 /* fall through */
1208 case MBA_IDC_COMPLETE:
1209 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1210 complete(&ha->lb_portup_comp);
1211 /* Fallthru */
1212 case MBA_IDC_TIME_EXT:
1213 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1214 IS_QLA8044(ha))
1215 qla81xx_idc_event(vha, mb[0], mb[1]);
1216 break;
1217
1218 case MBA_IDC_AEN:
1219 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1220 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1221 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1222 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1223 qla83xx_handle_8200_aen(vha, mb);
1224 break;
1225
1226 case MBA_DPORT_DIAGNOSTICS:
1227 ql_dbg(ql_dbg_async, vha, 0x5052,
1228 "D-Port Diagnostics: %04x result=%s\n",
1229 mb[0],
1230 mb[1] == 0 ? "start" :
1231 mb[1] == 1 ? "done (pass)" :
1232 mb[1] == 2 ? "done (error)" : "other");
1233 break;
1234
1235 case MBA_TEMPERATURE_ALERT:
1236 ql_dbg(ql_dbg_async, vha, 0x505e,
1237 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1238 if (mb[1] == 0x12)
1239 schedule_work(&ha->board_disable);
1240 break;
1241
1242 case MBA_TRANS_INSERT:
1243 ql_dbg(ql_dbg_async, vha, 0x5091,
1244 "Transceiver Insertion: %04x\n", mb[1]);
1245 break;
1246
1247 default:
1248 ql_dbg(ql_dbg_async, vha, 0x5057,
1249 "Unknown AEN:%04x %04x %04x %04x\n",
1250 mb[0], mb[1], mb[2], mb[3]);
1251 }
1252
1253 qlt_async_event(mb[0], vha, mb);
1254
1255 if (!vha->vp_idx && ha->num_vhosts)
1256 qla2x00_alert_all_vps(rsp, mb);
1257 }
1258
1259 /**
1260 * qla2x00_process_completed_request() - Process a Fast Post response.
1261 * @vha: SCSI driver HA context
1262 * @req: request queue
1263 * @index: SRB index
1264 */
1265 void
1266 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1267 struct req_que *req, uint32_t index)
1268 {
1269 srb_t *sp;
1270 struct qla_hw_data *ha = vha->hw;
1271
1272 /* Validate handle. */
1273 if (index >= req->num_outstanding_cmds) {
1274 ql_log(ql_log_warn, vha, 0x3014,
1275 "Invalid SCSI command index (%x).\n", index);
1276
1277 if (IS_P3P_TYPE(ha))
1278 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1279 else
1280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1281 return;
1282 }
1283
1284 sp = req->outstanding_cmds[index];
1285 if (sp) {
1286 /* Free outstanding command slot. */
1287 req->outstanding_cmds[index] = NULL;
1288
1289 /* Save ISP completion status */
1290 sp->done(sp, DID_OK << 16);
1291 } else {
1292 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1293
1294 if (IS_P3P_TYPE(ha))
1295 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1296 else
1297 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1298 }
1299 }
1300
1301 srb_t *
1302 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1303 struct req_que *req, void *iocb)
1304 {
1305 struct qla_hw_data *ha = vha->hw;
1306 sts_entry_t *pkt = iocb;
1307 srb_t *sp = NULL;
1308 uint16_t index;
1309
1310 index = LSW(pkt->handle);
1311 if (index >= req->num_outstanding_cmds) {
1312 ql_log(ql_log_warn, vha, 0x5031,
1313 "Invalid command index (%x) type %8ph.\n",
1314 index, iocb);
1315 if (IS_P3P_TYPE(ha))
1316 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1317 else
1318 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1319 goto done;
1320 }
1321 sp = req->outstanding_cmds[index];
1322 if (!sp) {
1323 ql_log(ql_log_warn, vha, 0x5032,
1324 "Invalid completion handle (%x) -- timed-out.\n", index);
1325 return sp;
1326 }
1327 if (sp->handle != index) {
1328 ql_log(ql_log_warn, vha, 0x5033,
1329 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1330 return NULL;
1331 }
1332
1333 req->outstanding_cmds[index] = NULL;
1334
1335 done:
1336 return sp;
1337 }
1338
1339 static void
1340 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1341 struct mbx_entry *mbx)
1342 {
1343 const char func[] = "MBX-IOCB";
1344 const char *type;
1345 fc_port_t *fcport;
1346 srb_t *sp;
1347 struct srb_iocb *lio;
1348 uint16_t *data;
1349 uint16_t status;
1350
1351 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1352 if (!sp)
1353 return;
1354
1355 lio = &sp->u.iocb_cmd;
1356 type = sp->name;
1357 fcport = sp->fcport;
1358 data = lio->u.logio.data;
1359
1360 data[0] = MBS_COMMAND_ERROR;
1361 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1362 QLA_LOGIO_LOGIN_RETRIED : 0;
1363 if (mbx->entry_status) {
1364 ql_dbg(ql_dbg_async, vha, 0x5043,
1365 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1366 "entry-status=%x status=%x state-flag=%x "
1367 "status-flags=%x.\n", type, sp->handle,
1368 fcport->d_id.b.domain, fcport->d_id.b.area,
1369 fcport->d_id.b.al_pa, mbx->entry_status,
1370 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1371 le16_to_cpu(mbx->status_flags));
1372
1373 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1374 (uint8_t *)mbx, sizeof(*mbx));
1375
1376 goto logio_done;
1377 }
1378
1379 status = le16_to_cpu(mbx->status);
1380 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1381 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1382 status = 0;
1383 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1384 ql_dbg(ql_dbg_async, vha, 0x5045,
1385 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1386 type, sp->handle, fcport->d_id.b.domain,
1387 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1388 le16_to_cpu(mbx->mb1));
1389
1390 data[0] = MBS_COMMAND_COMPLETE;
1391 if (sp->type == SRB_LOGIN_CMD) {
1392 fcport->port_type = FCT_TARGET;
1393 if (le16_to_cpu(mbx->mb1) & BIT_0)
1394 fcport->port_type = FCT_INITIATOR;
1395 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1396 fcport->flags |= FCF_FCP2_DEVICE;
1397 }
1398 goto logio_done;
1399 }
1400
1401 data[0] = le16_to_cpu(mbx->mb0);
1402 switch (data[0]) {
1403 case MBS_PORT_ID_USED:
1404 data[1] = le16_to_cpu(mbx->mb1);
1405 break;
1406 case MBS_LOOP_ID_USED:
1407 break;
1408 default:
1409 data[0] = MBS_COMMAND_ERROR;
1410 break;
1411 }
1412
1413 ql_log(ql_log_warn, vha, 0x5046,
1414 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1415 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1416 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1417 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1418 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1419 le16_to_cpu(mbx->mb7));
1420
1421 logio_done:
1422 sp->done(sp, 0);
1423 }
1424
1425 static void
1426 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1427 struct mbx_24xx_entry *pkt)
1428 {
1429 const char func[] = "MBX-IOCB2";
1430 srb_t *sp;
1431 struct srb_iocb *si;
1432 u16 sz, i;
1433 int res;
1434
1435 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1436 if (!sp)
1437 return;
1438
1439 si = &sp->u.iocb_cmd;
1440 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1441
1442 for (i = 0; i < sz; i++)
1443 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1444
1445 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1446
1447 sp->done(sp, res);
1448 }
1449
1450 static void
1451 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1452 struct nack_to_isp *pkt)
1453 {
1454 const char func[] = "nack";
1455 srb_t *sp;
1456 int res = 0;
1457
1458 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1459 if (!sp)
1460 return;
1461
1462 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1463 res = QLA_FUNCTION_FAILED;
1464
1465 sp->done(sp, res);
1466 }
1467
1468 static void
1469 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1470 sts_entry_t *pkt, int iocb_type)
1471 {
1472 const char func[] = "CT_IOCB";
1473 const char *type;
1474 srb_t *sp;
1475 struct bsg_job *bsg_job;
1476 struct fc_bsg_reply *bsg_reply;
1477 uint16_t comp_status;
1478 int res = 0;
1479
1480 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1481 if (!sp)
1482 return;
1483
1484 switch (sp->type) {
1485 case SRB_CT_CMD:
1486 bsg_job = sp->u.bsg_job;
1487 bsg_reply = bsg_job->reply;
1488
1489 type = "ct pass-through";
1490
1491 comp_status = le16_to_cpu(pkt->comp_status);
1492
1493 /*
1494 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1495 * fc payload to the caller
1496 */
1497 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1498 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1499
1500 if (comp_status != CS_COMPLETE) {
1501 if (comp_status == CS_DATA_UNDERRUN) {
1502 res = DID_OK << 16;
1503 bsg_reply->reply_payload_rcv_len =
1504 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1505
1506 ql_log(ql_log_warn, vha, 0x5048,
1507 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1508 type, comp_status,
1509 bsg_reply->reply_payload_rcv_len);
1510 } else {
1511 ql_log(ql_log_warn, vha, 0x5049,
1512 "CT pass-through-%s error comp_status=0x%x.\n",
1513 type, comp_status);
1514 res = DID_ERROR << 16;
1515 bsg_reply->reply_payload_rcv_len = 0;
1516 }
1517 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1518 (uint8_t *)pkt, sizeof(*pkt));
1519 } else {
1520 res = DID_OK << 16;
1521 bsg_reply->reply_payload_rcv_len =
1522 bsg_job->reply_payload.payload_len;
1523 bsg_job->reply_len = 0;
1524 }
1525 break;
1526 case SRB_CT_PTHRU_CMD:
1527 /*
1528 * borrowing sts_entry_24xx.comp_status.
1529 * same location as ct_entry_24xx.comp_status
1530 */
1531 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1532 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1533 sp->name);
1534 break;
1535 }
1536
1537 sp->done(sp, res);
1538 }
1539
1540 static void
1541 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1542 struct sts_entry_24xx *pkt, int iocb_type)
1543 {
1544 const char func[] = "ELS_CT_IOCB";
1545 const char *type;
1546 srb_t *sp;
1547 struct bsg_job *bsg_job;
1548 struct fc_bsg_reply *bsg_reply;
1549 uint16_t comp_status;
1550 uint32_t fw_status[3];
1551 int res;
1552 struct srb_iocb *els;
1553
1554 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1555 if (!sp)
1556 return;
1557
1558 type = NULL;
1559 switch (sp->type) {
1560 case SRB_ELS_CMD_RPT:
1561 case SRB_ELS_CMD_HST:
1562 type = "els";
1563 break;
1564 case SRB_CT_CMD:
1565 type = "ct pass-through";
1566 break;
1567 case SRB_ELS_DCMD:
1568 type = "Driver ELS logo";
1569 if (iocb_type != ELS_IOCB_TYPE) {
1570 ql_dbg(ql_dbg_user, vha, 0x5047,
1571 "Completing %s: (%p) type=%d.\n",
1572 type, sp, sp->type);
1573 sp->done(sp, 0);
1574 return;
1575 }
1576 break;
1577 case SRB_CT_PTHRU_CMD:
1578 /* borrowing sts_entry_24xx.comp_status.
1579 same location as ct_entry_24xx.comp_status
1580 */
1581 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1582 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1583 sp->name);
1584 sp->done(sp, res);
1585 return;
1586 default:
1587 ql_dbg(ql_dbg_user, vha, 0x503e,
1588 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1589 return;
1590 }
1591
1592 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1593 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1594 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1595
1596 if (iocb_type == ELS_IOCB_TYPE) {
1597 els = &sp->u.iocb_cmd;
1598 els->u.els_plogi.fw_status[0] = fw_status[0];
1599 els->u.els_plogi.fw_status[1] = fw_status[1];
1600 els->u.els_plogi.fw_status[2] = fw_status[2];
1601 els->u.els_plogi.comp_status = fw_status[0];
1602 if (comp_status == CS_COMPLETE) {
1603 res = DID_OK << 16;
1604 } else {
1605 if (comp_status == CS_DATA_UNDERRUN) {
1606 res = DID_OK << 16;
1607 els->u.els_plogi.len =
1608 le16_to_cpu(((struct els_sts_entry_24xx *)
1609 pkt)->total_byte_count);
1610 } else {
1611 els->u.els_plogi.len = 0;
1612 res = DID_ERROR << 16;
1613 }
1614 }
1615 ql_log(ql_log_info, vha, 0x503f,
1616 "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",
1617 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1618 le16_to_cpu(((struct els_sts_entry_24xx *)
1619 pkt)->total_byte_count));
1620 goto els_ct_done;
1621 }
1622
1623 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1624 * fc payload to the caller
1625 */
1626 bsg_job = sp->u.bsg_job;
1627 bsg_reply = bsg_job->reply;
1628 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1629 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1630
1631 if (comp_status != CS_COMPLETE) {
1632 if (comp_status == CS_DATA_UNDERRUN) {
1633 res = DID_OK << 16;
1634 bsg_reply->reply_payload_rcv_len =
1635 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1636
1637 ql_dbg(ql_dbg_user, vha, 0x503f,
1638 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1639 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1640 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1641 le16_to_cpu(((struct els_sts_entry_24xx *)
1642 pkt)->total_byte_count));
1643 } else {
1644 ql_dbg(ql_dbg_user, vha, 0x5040,
1645 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1646 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1647 type, sp->handle, comp_status,
1648 le16_to_cpu(((struct els_sts_entry_24xx *)
1649 pkt)->error_subcode_1),
1650 le16_to_cpu(((struct els_sts_entry_24xx *)
1651 pkt)->error_subcode_2));
1652 res = DID_ERROR << 16;
1653 bsg_reply->reply_payload_rcv_len = 0;
1654 }
1655 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1656 fw_status, sizeof(fw_status));
1657 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1658 (uint8_t *)pkt, sizeof(*pkt));
1659 }
1660 else {
1661 res = DID_OK << 16;
1662 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1663 bsg_job->reply_len = 0;
1664 }
1665 els_ct_done:
1666
1667 sp->done(sp, res);
1668 }
1669
1670 static void
1671 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1672 struct logio_entry_24xx *logio)
1673 {
1674 const char func[] = "LOGIO-IOCB";
1675 const char *type;
1676 fc_port_t *fcport;
1677 srb_t *sp;
1678 struct srb_iocb *lio;
1679 uint16_t *data;
1680 uint32_t iop[2];
1681
1682 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1683 if (!sp)
1684 return;
1685
1686 lio = &sp->u.iocb_cmd;
1687 type = sp->name;
1688 fcport = sp->fcport;
1689 data = lio->u.logio.data;
1690
1691 data[0] = MBS_COMMAND_ERROR;
1692 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1693 QLA_LOGIO_LOGIN_RETRIED : 0;
1694 if (logio->entry_status) {
1695 ql_log(ql_log_warn, fcport->vha, 0x5034,
1696 "Async-%s error entry - %8phC hdl=%x"
1697 "portid=%02x%02x%02x entry-status=%x.\n",
1698 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1699 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1700 logio->entry_status);
1701 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1702 (uint8_t *)logio, sizeof(*logio));
1703
1704 goto logio_done;
1705 }
1706
1707 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1708 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1709 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1710 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1711 fcport->d_id.b.domain,
1712 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1713 le32_to_cpu(logio->io_parameter[0]));
1714
1715 vha->hw->exch_starvation = 0;
1716 data[0] = MBS_COMMAND_COMPLETE;
1717 if (sp->type != SRB_LOGIN_CMD)
1718 goto logio_done;
1719
1720 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1721 if (iop[0] & BIT_4) {
1722 fcport->port_type = FCT_TARGET;
1723 if (iop[0] & BIT_8)
1724 fcport->flags |= FCF_FCP2_DEVICE;
1725 } else if (iop[0] & BIT_5)
1726 fcport->port_type = FCT_INITIATOR;
1727
1728 if (iop[0] & BIT_7)
1729 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1730
1731 if (logio->io_parameter[7] || logio->io_parameter[8])
1732 fcport->supported_classes |= FC_COS_CLASS2;
1733 if (logio->io_parameter[9] || logio->io_parameter[10])
1734 fcport->supported_classes |= FC_COS_CLASS3;
1735
1736 goto logio_done;
1737 }
1738
1739 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1740 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1741 lio->u.logio.iop[0] = iop[0];
1742 lio->u.logio.iop[1] = iop[1];
1743 switch (iop[0]) {
1744 case LSC_SCODE_PORTID_USED:
1745 data[0] = MBS_PORT_ID_USED;
1746 data[1] = LSW(iop[1]);
1747 break;
1748 case LSC_SCODE_NPORT_USED:
1749 data[0] = MBS_LOOP_ID_USED;
1750 break;
1751 case LSC_SCODE_CMD_FAILED:
1752 if (iop[1] == 0x0606) {
1753 /*
1754 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1755 * Target side acked.
1756 */
1757 data[0] = MBS_COMMAND_COMPLETE;
1758 goto logio_done;
1759 }
1760 data[0] = MBS_COMMAND_ERROR;
1761 break;
1762 case LSC_SCODE_NOXCB:
1763 vha->hw->exch_starvation++;
1764 if (vha->hw->exch_starvation > 5) {
1765 ql_log(ql_log_warn, vha, 0xd046,
1766 "Exchange starvation. Resetting RISC\n");
1767
1768 vha->hw->exch_starvation = 0;
1769
1770 if (IS_P3P_TYPE(vha->hw))
1771 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1772 else
1773 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1774 qla2xxx_wake_dpc(vha);
1775 }
1776 /* fall through */
1777 default:
1778 data[0] = MBS_COMMAND_ERROR;
1779 break;
1780 }
1781
1782 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1783 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1784 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1785 sp->handle, fcport->d_id.b.domain,
1786 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1787 le16_to_cpu(logio->comp_status),
1788 le32_to_cpu(logio->io_parameter[0]),
1789 le32_to_cpu(logio->io_parameter[1]));
1790
1791 logio_done:
1792 sp->done(sp, 0);
1793 }
1794
1795 static void
1796 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1797 {
1798 const char func[] = "TMF-IOCB";
1799 const char *type;
1800 fc_port_t *fcport;
1801 srb_t *sp;
1802 struct srb_iocb *iocb;
1803 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1804
1805 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1806 if (!sp)
1807 return;
1808
1809 iocb = &sp->u.iocb_cmd;
1810 type = sp->name;
1811 fcport = sp->fcport;
1812 iocb->u.tmf.data = QLA_SUCCESS;
1813
1814 if (sts->entry_status) {
1815 ql_log(ql_log_warn, fcport->vha, 0x5038,
1816 "Async-%s error - hdl=%x entry-status(%x).\n",
1817 type, sp->handle, sts->entry_status);
1818 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1819 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1820 ql_log(ql_log_warn, fcport->vha, 0x5039,
1821 "Async-%s error - hdl=%x completion status(%x).\n",
1822 type, sp->handle, sts->comp_status);
1823 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1824 } else if ((le16_to_cpu(sts->scsi_status) &
1825 SS_RESPONSE_INFO_LEN_VALID)) {
1826 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1827 ql_log(ql_log_warn, fcport->vha, 0x503b,
1828 "Async-%s error - hdl=%x not enough response(%d).\n",
1829 type, sp->handle, sts->rsp_data_len);
1830 } else if (sts->data[3]) {
1831 ql_log(ql_log_warn, fcport->vha, 0x503c,
1832 "Async-%s error - hdl=%x response(%x).\n",
1833 type, sp->handle, sts->data[3]);
1834 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1835 }
1836 }
1837
1838 if (iocb->u.tmf.data != QLA_SUCCESS)
1839 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1840 (uint8_t *)sts, sizeof(*sts));
1841
1842 sp->done(sp, 0);
1843 }
1844
1845 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1846 void *tsk, srb_t *sp)
1847 {
1848 fc_port_t *fcport;
1849 struct srb_iocb *iocb;
1850 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1851 uint16_t state_flags;
1852 struct nvmefc_fcp_req *fd;
1853 uint16_t ret = QLA_SUCCESS;
1854 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1855
1856 iocb = &sp->u.iocb_cmd;
1857 fcport = sp->fcport;
1858 iocb->u.nvme.comp_status = comp_status;
1859 state_flags = le16_to_cpu(sts->state_flags);
1860 fd = iocb->u.nvme.desc;
1861
1862 if (unlikely(iocb->u.nvme.aen_op))
1863 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1864
1865 /*
1866 * State flags: Bit 6 and 0.
1867 * If 0 is set, we don't care about 6.
1868 * both cases resp was dma'd to host buffer
1869 * if both are 0, that is good path case.
1870 * if six is set and 0 is clear, we need to
1871 * copy resp data from status iocb to resp buffer.
1872 */
1873 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1874 iocb->u.nvme.rsp_pyld_len = 0;
1875 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1876 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1877 } else if (state_flags & SF_NVME_ERSP) {
1878 uint32_t *inbuf, *outbuf;
1879 uint16_t iter;
1880
1881 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1882 outbuf = (uint32_t *)fd->rspaddr;
1883 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1884 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1885 for (; iter; iter--)
1886 *outbuf++ = swab32(*inbuf++);
1887 } else { /* unhandled case */
1888 ql_log(ql_log_warn, fcport->vha, 0x503a,
1889 "NVME-%s error. Unhandled state_flags of %x\n",
1890 sp->name, state_flags);
1891 }
1892
1893 fd->transferred_length = fd->payload_length -
1894 le32_to_cpu(sts->residual_len);
1895
1896 if (unlikely(comp_status != CS_COMPLETE))
1897 ql_log(ql_log_warn, fcport->vha, 0x5060,
1898 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
1899 sp->name, sp->handle, comp_status,
1900 fd->transferred_length, le32_to_cpu(sts->residual_len),
1901 sts->ox_id);
1902
1903 /*
1904 * If transport error then Failure (HBA rejects request)
1905 * otherwise transport will handle.
1906 */
1907 switch (comp_status) {
1908 case CS_COMPLETE:
1909 break;
1910
1911 case CS_RESET:
1912 case CS_PORT_UNAVAILABLE:
1913 case CS_PORT_LOGGED_OUT:
1914 fcport->nvme_flag |= NVME_FLAG_RESETTING;
1915 /* fall through */
1916 case CS_ABORTED:
1917 case CS_PORT_BUSY:
1918 fd->transferred_length = 0;
1919 iocb->u.nvme.rsp_pyld_len = 0;
1920 ret = QLA_ABORTED;
1921 break;
1922 case CS_DATA_UNDERRUN:
1923 break;
1924 default:
1925 ret = QLA_FUNCTION_FAILED;
1926 break;
1927 }
1928 sp->done(sp, ret);
1929 }
1930
1931 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1932 struct vp_ctrl_entry_24xx *vce)
1933 {
1934 const char func[] = "CTRLVP-IOCB";
1935 srb_t *sp;
1936 int rval = QLA_SUCCESS;
1937
1938 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1939 if (!sp)
1940 return;
1941
1942 if (vce->entry_status != 0) {
1943 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1944 "%s: Failed to complete IOCB -- error status (%x)\n",
1945 sp->name, vce->entry_status);
1946 rval = QLA_FUNCTION_FAILED;
1947 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1948 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1949 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1950 sp->name, le16_to_cpu(vce->comp_status),
1951 le16_to_cpu(vce->vp_idx_failed));
1952 rval = QLA_FUNCTION_FAILED;
1953 } else {
1954 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1955 "Done %s.\n", __func__);
1956 }
1957
1958 sp->rc = rval;
1959 sp->done(sp, rval);
1960 }
1961
1962 /**
1963 * qla2x00_process_response_queue() - Process response queue entries.
1964 * @rsp: response queue
1965 */
1966 void
1967 qla2x00_process_response_queue(struct rsp_que *rsp)
1968 {
1969 struct scsi_qla_host *vha;
1970 struct qla_hw_data *ha = rsp->hw;
1971 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1972 sts_entry_t *pkt;
1973 uint16_t handle_cnt;
1974 uint16_t cnt;
1975
1976 vha = pci_get_drvdata(ha->pdev);
1977
1978 if (!vha->flags.online)
1979 return;
1980
1981 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1982 pkt = (sts_entry_t *)rsp->ring_ptr;
1983
1984 rsp->ring_index++;
1985 if (rsp->ring_index == rsp->length) {
1986 rsp->ring_index = 0;
1987 rsp->ring_ptr = rsp->ring;
1988 } else {
1989 rsp->ring_ptr++;
1990 }
1991
1992 if (pkt->entry_status != 0) {
1993 qla2x00_error_entry(vha, rsp, pkt);
1994 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1995 wmb();
1996 continue;
1997 }
1998
1999 switch (pkt->entry_type) {
2000 case STATUS_TYPE:
2001 qla2x00_status_entry(vha, rsp, pkt);
2002 break;
2003 case STATUS_TYPE_21:
2004 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
2005 for (cnt = 0; cnt < handle_cnt; cnt++) {
2006 qla2x00_process_completed_request(vha, rsp->req,
2007 ((sts21_entry_t *)pkt)->handle[cnt]);
2008 }
2009 break;
2010 case STATUS_TYPE_22:
2011 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
2012 for (cnt = 0; cnt < handle_cnt; cnt++) {
2013 qla2x00_process_completed_request(vha, rsp->req,
2014 ((sts22_entry_t *)pkt)->handle[cnt]);
2015 }
2016 break;
2017 case STATUS_CONT_TYPE:
2018 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2019 break;
2020 case MBX_IOCB_TYPE:
2021 qla2x00_mbx_iocb_entry(vha, rsp->req,
2022 (struct mbx_entry *)pkt);
2023 break;
2024 case CT_IOCB_TYPE:
2025 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2026 break;
2027 default:
2028 /* Type Not Supported. */
2029 ql_log(ql_log_warn, vha, 0x504a,
2030 "Received unknown response pkt type %x "
2031 "entry status=%x.\n",
2032 pkt->entry_type, pkt->entry_status);
2033 break;
2034 }
2035 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2036 wmb();
2037 }
2038
2039 /* Adjust ring index */
2040 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2041 }
2042
2043 static inline void
2044 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2045 uint32_t sense_len, struct rsp_que *rsp, int res)
2046 {
2047 struct scsi_qla_host *vha = sp->vha;
2048 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2049 uint32_t track_sense_len;
2050
2051 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2052 sense_len = SCSI_SENSE_BUFFERSIZE;
2053
2054 SET_CMD_SENSE_LEN(sp, sense_len);
2055 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2056 track_sense_len = sense_len;
2057
2058 if (sense_len > par_sense_len)
2059 sense_len = par_sense_len;
2060
2061 memcpy(cp->sense_buffer, sense_data, sense_len);
2062
2063 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2064 track_sense_len -= sense_len;
2065 SET_CMD_SENSE_LEN(sp, track_sense_len);
2066
2067 if (track_sense_len != 0) {
2068 rsp->status_srb = sp;
2069 cp->result = res;
2070 }
2071
2072 if (sense_len) {
2073 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2074 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2075 sp->vha->host_no, cp->device->id, cp->device->lun,
2076 cp);
2077 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2078 cp->sense_buffer, sense_len);
2079 }
2080 }
2081
2082 struct scsi_dif_tuple {
2083 __be16 guard; /* Checksum */
2084 __be16 app_tag; /* APPL identifier */
2085 __be32 ref_tag; /* Target LBA or indirect LBA */
2086 };
2087
2088 /*
2089 * Checks the guard or meta-data for the type of error
2090 * detected by the HBA. In case of errors, we set the
2091 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2092 * to indicate to the kernel that the HBA detected error.
2093 */
2094 static inline int
2095 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2096 {
2097 struct scsi_qla_host *vha = sp->vha;
2098 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2099 uint8_t *ap = &sts24->data[12];
2100 uint8_t *ep = &sts24->data[20];
2101 uint32_t e_ref_tag, a_ref_tag;
2102 uint16_t e_app_tag, a_app_tag;
2103 uint16_t e_guard, a_guard;
2104
2105 /*
2106 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2107 * would make guard field appear at offset 2
2108 */
2109 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2110 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2111 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2112 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2113 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2114 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2115
2116 ql_dbg(ql_dbg_io, vha, 0x3023,
2117 "iocb(s) %p Returned STATUS.\n", sts24);
2118
2119 ql_dbg(ql_dbg_io, vha, 0x3024,
2120 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2121 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2122 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2123 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2124 a_app_tag, e_app_tag, a_guard, e_guard);
2125
2126 /*
2127 * Ignore sector if:
2128 * For type 3: ref & app tag is all 'f's
2129 * For type 0,1,2: app tag is all 'f's
2130 */
2131 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2132 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2133 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2134 uint32_t blocks_done, resid;
2135 sector_t lba_s = scsi_get_lba(cmd);
2136
2137 /* 2TB boundary case covered automatically with this */
2138 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2139
2140 resid = scsi_bufflen(cmd) - (blocks_done *
2141 cmd->device->sector_size);
2142
2143 scsi_set_resid(cmd, resid);
2144 cmd->result = DID_OK << 16;
2145
2146 /* Update protection tag */
2147 if (scsi_prot_sg_count(cmd)) {
2148 uint32_t i, j = 0, k = 0, num_ent;
2149 struct scatterlist *sg;
2150 struct t10_pi_tuple *spt;
2151
2152 /* Patch the corresponding protection tags */
2153 scsi_for_each_prot_sg(cmd, sg,
2154 scsi_prot_sg_count(cmd), i) {
2155 num_ent = sg_dma_len(sg) / 8;
2156 if (k + num_ent < blocks_done) {
2157 k += num_ent;
2158 continue;
2159 }
2160 j = blocks_done - k - 1;
2161 k = blocks_done;
2162 break;
2163 }
2164
2165 if (k != blocks_done) {
2166 ql_log(ql_log_warn, vha, 0x302f,
2167 "unexpected tag values tag:lba=%x:%llx)\n",
2168 e_ref_tag, (unsigned long long)lba_s);
2169 return 1;
2170 }
2171
2172 spt = page_address(sg_page(sg)) + sg->offset;
2173 spt += j;
2174
2175 spt->app_tag = T10_PI_APP_ESCAPE;
2176 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2177 spt->ref_tag = T10_PI_REF_ESCAPE;
2178 }
2179
2180 return 0;
2181 }
2182
2183 /* check guard */
2184 if (e_guard != a_guard) {
2185 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2186 0x10, 0x1);
2187 set_driver_byte(cmd, DRIVER_SENSE);
2188 set_host_byte(cmd, DID_ABORT);
2189 cmd->result |= SAM_STAT_CHECK_CONDITION;
2190 return 1;
2191 }
2192
2193 /* check ref tag */
2194 if (e_ref_tag != a_ref_tag) {
2195 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2196 0x10, 0x3);
2197 set_driver_byte(cmd, DRIVER_SENSE);
2198 set_host_byte(cmd, DID_ABORT);
2199 cmd->result |= SAM_STAT_CHECK_CONDITION;
2200 return 1;
2201 }
2202
2203 /* check appl tag */
2204 if (e_app_tag != a_app_tag) {
2205 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2206 0x10, 0x2);
2207 set_driver_byte(cmd, DRIVER_SENSE);
2208 set_host_byte(cmd, DID_ABORT);
2209 cmd->result |= SAM_STAT_CHECK_CONDITION;
2210 return 1;
2211 }
2212
2213 return 1;
2214 }
2215
2216 static void
2217 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2218 struct req_que *req, uint32_t index)
2219 {
2220 struct qla_hw_data *ha = vha->hw;
2221 srb_t *sp;
2222 uint16_t comp_status;
2223 uint16_t scsi_status;
2224 uint16_t thread_id;
2225 uint32_t rval = EXT_STATUS_OK;
2226 struct bsg_job *bsg_job = NULL;
2227 struct fc_bsg_request *bsg_request;
2228 struct fc_bsg_reply *bsg_reply;
2229 sts_entry_t *sts;
2230 struct sts_entry_24xx *sts24;
2231 sts = (sts_entry_t *) pkt;
2232 sts24 = (struct sts_entry_24xx *) pkt;
2233
2234 /* Validate handle. */
2235 if (index >= req->num_outstanding_cmds) {
2236 ql_log(ql_log_warn, vha, 0x70af,
2237 "Invalid SCSI completion handle 0x%x.\n", index);
2238 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2239 return;
2240 }
2241
2242 sp = req->outstanding_cmds[index];
2243 if (!sp) {
2244 ql_log(ql_log_warn, vha, 0x70b0,
2245 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2246 req->id, index);
2247
2248 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2249 return;
2250 }
2251
2252 /* Free outstanding command slot. */
2253 req->outstanding_cmds[index] = NULL;
2254 bsg_job = sp->u.bsg_job;
2255 bsg_request = bsg_job->request;
2256 bsg_reply = bsg_job->reply;
2257
2258 if (IS_FWI2_CAPABLE(ha)) {
2259 comp_status = le16_to_cpu(sts24->comp_status);
2260 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2261 } else {
2262 comp_status = le16_to_cpu(sts->comp_status);
2263 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2264 }
2265
2266 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2267 switch (comp_status) {
2268 case CS_COMPLETE:
2269 if (scsi_status == 0) {
2270 bsg_reply->reply_payload_rcv_len =
2271 bsg_job->reply_payload.payload_len;
2272 vha->qla_stats.input_bytes +=
2273 bsg_reply->reply_payload_rcv_len;
2274 vha->qla_stats.input_requests++;
2275 rval = EXT_STATUS_OK;
2276 }
2277 goto done;
2278
2279 case CS_DATA_OVERRUN:
2280 ql_dbg(ql_dbg_user, vha, 0x70b1,
2281 "Command completed with data overrun thread_id=%d\n",
2282 thread_id);
2283 rval = EXT_STATUS_DATA_OVERRUN;
2284 break;
2285
2286 case CS_DATA_UNDERRUN:
2287 ql_dbg(ql_dbg_user, vha, 0x70b2,
2288 "Command completed with data underrun thread_id=%d\n",
2289 thread_id);
2290 rval = EXT_STATUS_DATA_UNDERRUN;
2291 break;
2292 case CS_BIDIR_RD_OVERRUN:
2293 ql_dbg(ql_dbg_user, vha, 0x70b3,
2294 "Command completed with read data overrun thread_id=%d\n",
2295 thread_id);
2296 rval = EXT_STATUS_DATA_OVERRUN;
2297 break;
2298
2299 case CS_BIDIR_RD_WR_OVERRUN:
2300 ql_dbg(ql_dbg_user, vha, 0x70b4,
2301 "Command completed with read and write data overrun "
2302 "thread_id=%d\n", thread_id);
2303 rval = EXT_STATUS_DATA_OVERRUN;
2304 break;
2305
2306 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2307 ql_dbg(ql_dbg_user, vha, 0x70b5,
2308 "Command completed with read data over and write data "
2309 "underrun thread_id=%d\n", thread_id);
2310 rval = EXT_STATUS_DATA_OVERRUN;
2311 break;
2312
2313 case CS_BIDIR_RD_UNDERRUN:
2314 ql_dbg(ql_dbg_user, vha, 0x70b6,
2315 "Command completed with read data underrun "
2316 "thread_id=%d\n", thread_id);
2317 rval = EXT_STATUS_DATA_UNDERRUN;
2318 break;
2319
2320 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2321 ql_dbg(ql_dbg_user, vha, 0x70b7,
2322 "Command completed with read data under and write data "
2323 "overrun thread_id=%d\n", thread_id);
2324 rval = EXT_STATUS_DATA_UNDERRUN;
2325 break;
2326
2327 case CS_BIDIR_RD_WR_UNDERRUN:
2328 ql_dbg(ql_dbg_user, vha, 0x70b8,
2329 "Command completed with read and write data underrun "
2330 "thread_id=%d\n", thread_id);
2331 rval = EXT_STATUS_DATA_UNDERRUN;
2332 break;
2333
2334 case CS_BIDIR_DMA:
2335 ql_dbg(ql_dbg_user, vha, 0x70b9,
2336 "Command completed with data DMA error thread_id=%d\n",
2337 thread_id);
2338 rval = EXT_STATUS_DMA_ERR;
2339 break;
2340
2341 case CS_TIMEOUT:
2342 ql_dbg(ql_dbg_user, vha, 0x70ba,
2343 "Command completed with timeout thread_id=%d\n",
2344 thread_id);
2345 rval = EXT_STATUS_TIMEOUT;
2346 break;
2347 default:
2348 ql_dbg(ql_dbg_user, vha, 0x70bb,
2349 "Command completed with completion status=0x%x "
2350 "thread_id=%d\n", comp_status, thread_id);
2351 rval = EXT_STATUS_ERR;
2352 break;
2353 }
2354 bsg_reply->reply_payload_rcv_len = 0;
2355
2356 done:
2357 /* Return the vendor specific reply to API */
2358 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2359 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2360 /* Always return DID_OK, bsg will send the vendor specific response
2361 * in this case only */
2362 sp->done(sp, DID_OK << 16);
2363
2364 }
2365
2366 /**
2367 * qla2x00_status_entry() - Process a Status IOCB entry.
2368 * @vha: SCSI driver HA context
2369 * @rsp: response queue
2370 * @pkt: Entry pointer
2371 */
2372 static void
2373 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2374 {
2375 srb_t *sp;
2376 fc_port_t *fcport;
2377 struct scsi_cmnd *cp;
2378 sts_entry_t *sts;
2379 struct sts_entry_24xx *sts24;
2380 uint16_t comp_status;
2381 uint16_t scsi_status;
2382 uint16_t ox_id;
2383 uint8_t lscsi_status;
2384 int32_t resid;
2385 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2386 fw_resid_len;
2387 uint8_t *rsp_info, *sense_data;
2388 struct qla_hw_data *ha = vha->hw;
2389 uint32_t handle;
2390 uint16_t que;
2391 struct req_que *req;
2392 int logit = 1;
2393 int res = 0;
2394 uint16_t state_flags = 0;
2395 uint16_t retry_delay = 0;
2396
2397 sts = (sts_entry_t *) pkt;
2398 sts24 = (struct sts_entry_24xx *) pkt;
2399 if (IS_FWI2_CAPABLE(ha)) {
2400 comp_status = le16_to_cpu(sts24->comp_status);
2401 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2402 state_flags = le16_to_cpu(sts24->state_flags);
2403 } else {
2404 comp_status = le16_to_cpu(sts->comp_status);
2405 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2406 }
2407 handle = (uint32_t) LSW(sts->handle);
2408 que = MSW(sts->handle);
2409 req = ha->req_q_map[que];
2410
2411 /* Check for invalid queue pointer */
2412 if (req == NULL ||
2413 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2414 ql_dbg(ql_dbg_io, vha, 0x3059,
2415 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2416 "que=%u.\n", sts->handle, req, que);
2417 return;
2418 }
2419
2420 /* Validate handle. */
2421 if (handle < req->num_outstanding_cmds) {
2422 sp = req->outstanding_cmds[handle];
2423 if (!sp) {
2424 ql_dbg(ql_dbg_io, vha, 0x3075,
2425 "%s(%ld): Already returned command for status handle (0x%x).\n",
2426 __func__, vha->host_no, sts->handle);
2427 return;
2428 }
2429 } else {
2430 ql_dbg(ql_dbg_io, vha, 0x3017,
2431 "Invalid status handle, out of range (0x%x).\n",
2432 sts->handle);
2433
2434 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2435 if (IS_P3P_TYPE(ha))
2436 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2437 else
2438 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2439 qla2xxx_wake_dpc(vha);
2440 }
2441 return;
2442 }
2443
2444 if (sp->cmd_type != TYPE_SRB) {
2445 req->outstanding_cmds[handle] = NULL;
2446 ql_dbg(ql_dbg_io, vha, 0x3015,
2447 "Unknown sp->cmd_type %x %p).\n",
2448 sp->cmd_type, sp);
2449 return;
2450 }
2451
2452 /* NVME completion. */
2453 if (sp->type == SRB_NVME_CMD) {
2454 req->outstanding_cmds[handle] = NULL;
2455 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2456 return;
2457 }
2458
2459 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2460 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2461 return;
2462 }
2463
2464 /* Task Management completion. */
2465 if (sp->type == SRB_TM_CMD) {
2466 qla24xx_tm_iocb_entry(vha, req, pkt);
2467 return;
2468 }
2469
2470 /* Fast path completion. */
2471 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2472 qla2x00_process_completed_request(vha, req, handle);
2473
2474 return;
2475 }
2476
2477 req->outstanding_cmds[handle] = NULL;
2478 cp = GET_CMD_SP(sp);
2479 if (cp == NULL) {
2480 ql_dbg(ql_dbg_io, vha, 0x3018,
2481 "Command already returned (0x%x/%p).\n",
2482 sts->handle, sp);
2483
2484 return;
2485 }
2486
2487 lscsi_status = scsi_status & STATUS_MASK;
2488
2489 fcport = sp->fcport;
2490
2491 ox_id = 0;
2492 sense_len = par_sense_len = rsp_info_len = resid_len =
2493 fw_resid_len = 0;
2494 if (IS_FWI2_CAPABLE(ha)) {
2495 if (scsi_status & SS_SENSE_LEN_VALID)
2496 sense_len = le32_to_cpu(sts24->sense_len);
2497 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2498 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2499 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2500 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2501 if (comp_status == CS_DATA_UNDERRUN)
2502 fw_resid_len = le32_to_cpu(sts24->residual_len);
2503 rsp_info = sts24->data;
2504 sense_data = sts24->data;
2505 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2506 ox_id = le16_to_cpu(sts24->ox_id);
2507 par_sense_len = sizeof(sts24->data);
2508 /* Valid values of the retry delay timer are 0x1-0xffef */
2509 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2510 retry_delay = sts24->retry_delay & 0x3fff;
2511 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2512 "%s: scope=%#x retry_delay=%#x\n", __func__,
2513 sts24->retry_delay >> 14, retry_delay);
2514 }
2515 } else {
2516 if (scsi_status & SS_SENSE_LEN_VALID)
2517 sense_len = le16_to_cpu(sts->req_sense_length);
2518 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2519 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2520 resid_len = le32_to_cpu(sts->residual_length);
2521 rsp_info = sts->rsp_info;
2522 sense_data = sts->req_sense_data;
2523 par_sense_len = sizeof(sts->req_sense_data);
2524 }
2525
2526 /* Check for any FCP transport errors. */
2527 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2528 /* Sense data lies beyond any FCP RESPONSE data. */
2529 if (IS_FWI2_CAPABLE(ha)) {
2530 sense_data += rsp_info_len;
2531 par_sense_len -= rsp_info_len;
2532 }
2533 if (rsp_info_len > 3 && rsp_info[3]) {
2534 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2535 "FCP I/O protocol failure (0x%x/0x%x).\n",
2536 rsp_info_len, rsp_info[3]);
2537
2538 res = DID_BUS_BUSY << 16;
2539 goto out;
2540 }
2541 }
2542
2543 /* Check for overrun. */
2544 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2545 scsi_status & SS_RESIDUAL_OVER)
2546 comp_status = CS_DATA_OVERRUN;
2547
2548 /*
2549 * Check retry_delay_timer value if we receive a busy or
2550 * queue full.
2551 */
2552 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2553 lscsi_status == SAM_STAT_BUSY)
2554 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2555
2556 /*
2557 * Based on Host and scsi status generate status code for Linux
2558 */
2559 switch (comp_status) {
2560 case CS_COMPLETE:
2561 case CS_QUEUE_FULL:
2562 if (scsi_status == 0) {
2563 res = DID_OK << 16;
2564 break;
2565 }
2566 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2567 resid = resid_len;
2568 scsi_set_resid(cp, resid);
2569
2570 if (!lscsi_status &&
2571 ((unsigned)(scsi_bufflen(cp) - resid) <
2572 cp->underflow)) {
2573 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2574 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2575 resid, scsi_bufflen(cp));
2576
2577 res = DID_ERROR << 16;
2578 break;
2579 }
2580 }
2581 res = DID_OK << 16 | lscsi_status;
2582
2583 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2584 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2585 "QUEUE FULL detected.\n");
2586 break;
2587 }
2588 logit = 0;
2589 if (lscsi_status != SS_CHECK_CONDITION)
2590 break;
2591
2592 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2593 if (!(scsi_status & SS_SENSE_LEN_VALID))
2594 break;
2595
2596 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2597 rsp, res);
2598 break;
2599
2600 case CS_DATA_UNDERRUN:
2601 /* Use F/W calculated residual length. */
2602 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2603 scsi_set_resid(cp, resid);
2604 if (scsi_status & SS_RESIDUAL_UNDER) {
2605 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2606 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2607 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2608 resid, scsi_bufflen(cp));
2609
2610 res = DID_ERROR << 16 | lscsi_status;
2611 goto check_scsi_status;
2612 }
2613
2614 if (!lscsi_status &&
2615 ((unsigned)(scsi_bufflen(cp) - resid) <
2616 cp->underflow)) {
2617 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2618 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2619 resid, scsi_bufflen(cp));
2620
2621 res = DID_ERROR << 16;
2622 break;
2623 }
2624 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2625 lscsi_status != SAM_STAT_BUSY) {
2626 /*
2627 * scsi status of task set and busy are considered to be
2628 * task not completed.
2629 */
2630
2631 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2632 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2633 resid, scsi_bufflen(cp));
2634
2635 res = DID_ERROR << 16 | lscsi_status;
2636 goto check_scsi_status;
2637 } else {
2638 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2639 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2640 scsi_status, lscsi_status);
2641 }
2642
2643 res = DID_OK << 16 | lscsi_status;
2644 logit = 0;
2645
2646 check_scsi_status:
2647 /*
2648 * Check to see if SCSI Status is non zero. If so report SCSI
2649 * Status.
2650 */
2651 if (lscsi_status != 0) {
2652 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2653 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2654 "QUEUE FULL detected.\n");
2655 logit = 1;
2656 break;
2657 }
2658 if (lscsi_status != SS_CHECK_CONDITION)
2659 break;
2660
2661 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2662 if (!(scsi_status & SS_SENSE_LEN_VALID))
2663 break;
2664
2665 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2666 sense_len, rsp, res);
2667 }
2668 break;
2669
2670 case CS_PORT_LOGGED_OUT:
2671 case CS_PORT_CONFIG_CHG:
2672 case CS_PORT_BUSY:
2673 case CS_INCOMPLETE:
2674 case CS_PORT_UNAVAILABLE:
2675 case CS_TIMEOUT:
2676 case CS_RESET:
2677
2678 /*
2679 * We are going to have the fc class block the rport
2680 * while we try to recover so instruct the mid layer
2681 * to requeue until the class decides how to handle this.
2682 */
2683 res = DID_TRANSPORT_DISRUPTED << 16;
2684
2685 if (comp_status == CS_TIMEOUT) {
2686 if (IS_FWI2_CAPABLE(ha))
2687 break;
2688 else if ((le16_to_cpu(sts->status_flags) &
2689 SF_LOGOUT_SENT) == 0)
2690 break;
2691 }
2692
2693 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2694 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2695 "Port to be marked lost on fcport=%02x%02x%02x, current "
2696 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2697 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2698 port_state_str[atomic_read(&fcport->state)],
2699 comp_status);
2700
2701 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2702 qlt_schedule_sess_for_deletion(fcport);
2703 }
2704
2705 break;
2706
2707 case CS_ABORTED:
2708 res = DID_RESET << 16;
2709 break;
2710
2711 case CS_DIF_ERROR:
2712 logit = qla2x00_handle_dif_error(sp, sts24);
2713 res = cp->result;
2714 break;
2715
2716 case CS_TRANSPORT:
2717 res = DID_ERROR << 16;
2718
2719 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2720 break;
2721
2722 if (state_flags & BIT_4)
2723 scmd_printk(KERN_WARNING, cp,
2724 "Unsupported device '%s' found.\n",
2725 cp->device->vendor);
2726 break;
2727
2728 default:
2729 res = DID_ERROR << 16;
2730 break;
2731 }
2732
2733 out:
2734 if (logit)
2735 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2736 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2737 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2738 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2739 comp_status, scsi_status, res, vha->host_no,
2740 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2741 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2742 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2743 resid_len, fw_resid_len, sp, cp);
2744
2745 if (rsp->status_srb == NULL)
2746 sp->done(sp, res);
2747 }
2748
2749 /**
2750 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2751 * @rsp: response queue
2752 * @pkt: Entry pointer
2753 *
2754 * Extended sense data.
2755 */
2756 static void
2757 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2758 {
2759 uint8_t sense_sz = 0;
2760 struct qla_hw_data *ha = rsp->hw;
2761 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2762 srb_t *sp = rsp->status_srb;
2763 struct scsi_cmnd *cp;
2764 uint32_t sense_len;
2765 uint8_t *sense_ptr;
2766
2767 if (!sp || !GET_CMD_SENSE_LEN(sp))
2768 return;
2769
2770 sense_len = GET_CMD_SENSE_LEN(sp);
2771 sense_ptr = GET_CMD_SENSE_PTR(sp);
2772
2773 cp = GET_CMD_SP(sp);
2774 if (cp == NULL) {
2775 ql_log(ql_log_warn, vha, 0x3025,
2776 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2777
2778 rsp->status_srb = NULL;
2779 return;
2780 }
2781
2782 if (sense_len > sizeof(pkt->data))
2783 sense_sz = sizeof(pkt->data);
2784 else
2785 sense_sz = sense_len;
2786
2787 /* Move sense data. */
2788 if (IS_FWI2_CAPABLE(ha))
2789 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2790 memcpy(sense_ptr, pkt->data, sense_sz);
2791 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2792 sense_ptr, sense_sz);
2793
2794 sense_len -= sense_sz;
2795 sense_ptr += sense_sz;
2796
2797 SET_CMD_SENSE_PTR(sp, sense_ptr);
2798 SET_CMD_SENSE_LEN(sp, sense_len);
2799
2800 /* Place command on done queue. */
2801 if (sense_len == 0) {
2802 rsp->status_srb = NULL;
2803 sp->done(sp, cp->result);
2804 }
2805 }
2806
2807 /**
2808 * qla2x00_error_entry() - Process an error entry.
2809 * @vha: SCSI driver HA context
2810 * @rsp: response queue
2811 * @pkt: Entry pointer
2812 * return : 1=allow further error analysis. 0=no additional error analysis.
2813 */
2814 static int
2815 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2816 {
2817 srb_t *sp;
2818 struct qla_hw_data *ha = vha->hw;
2819 const char func[] = "ERROR-IOCB";
2820 uint16_t que = MSW(pkt->handle);
2821 struct req_que *req = NULL;
2822 int res = DID_ERROR << 16;
2823
2824 ql_dbg(ql_dbg_async, vha, 0x502a,
2825 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2826 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2827
2828 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2829 goto fatal;
2830
2831 req = ha->req_q_map[que];
2832
2833 if (pkt->entry_status & RF_BUSY)
2834 res = DID_BUS_BUSY << 16;
2835
2836 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2837 return 0;
2838
2839 switch (pkt->entry_type) {
2840 case NOTIFY_ACK_TYPE:
2841 case STATUS_TYPE:
2842 case STATUS_CONT_TYPE:
2843 case LOGINOUT_PORT_IOCB_TYPE:
2844 case CT_IOCB_TYPE:
2845 case ELS_IOCB_TYPE:
2846 case ABORT_IOCB_TYPE:
2847 case MBX_IOCB_TYPE:
2848 default:
2849 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2850 if (sp) {
2851 sp->done(sp, res);
2852 return 0;
2853 }
2854 break;
2855
2856 case ABTS_RESP_24XX:
2857 case CTIO_TYPE7:
2858 case CTIO_CRC2:
2859 return 1;
2860 }
2861 fatal:
2862 ql_log(ql_log_warn, vha, 0x5030,
2863 "Error entry - invalid handle/queue (%04x).\n", que);
2864 return 0;
2865 }
2866
2867 /**
2868 * qla24xx_mbx_completion() - Process mailbox command completions.
2869 * @vha: SCSI driver HA context
2870 * @mb0: Mailbox0 register
2871 */
2872 static void
2873 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2874 {
2875 uint16_t cnt;
2876 uint32_t mboxes;
2877 uint16_t __iomem *wptr;
2878 struct qla_hw_data *ha = vha->hw;
2879 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2880
2881 /* Read all mbox registers? */
2882 WARN_ON_ONCE(ha->mbx_count > 32);
2883 mboxes = (1ULL << ha->mbx_count) - 1;
2884 if (!ha->mcp)
2885 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2886 else
2887 mboxes = ha->mcp->in_mb;
2888
2889 /* Load return mailbox registers. */
2890 ha->flags.mbox_int = 1;
2891 ha->mailbox_out[0] = mb0;
2892 mboxes >>= 1;
2893 wptr = (uint16_t __iomem *)&reg->mailbox1;
2894
2895 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2896 if (mboxes & BIT_0)
2897 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2898
2899 mboxes >>= 1;
2900 wptr++;
2901 }
2902 }
2903
2904 static void
2905 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2906 struct abort_entry_24xx *pkt)
2907 {
2908 const char func[] = "ABT_IOCB";
2909 srb_t *sp;
2910 struct srb_iocb *abt;
2911
2912 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2913 if (!sp)
2914 return;
2915
2916 abt = &sp->u.iocb_cmd;
2917 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2918 sp->done(sp, 0);
2919 }
2920
2921 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2922 struct pt_ls4_request *pkt, struct req_que *req)
2923 {
2924 srb_t *sp;
2925 const char func[] = "LS4_IOCB";
2926 uint16_t comp_status;
2927
2928 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2929 if (!sp)
2930 return;
2931
2932 comp_status = le16_to_cpu(pkt->status);
2933 sp->done(sp, comp_status);
2934 }
2935
2936 /**
2937 * qla24xx_process_response_queue() - Process response queue entries.
2938 * @vha: SCSI driver HA context
2939 * @rsp: response queue
2940 */
2941 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2942 struct rsp_que *rsp)
2943 {
2944 struct sts_entry_24xx *pkt;
2945 struct qla_hw_data *ha = vha->hw;
2946
2947 if (!ha->flags.fw_started)
2948 return;
2949
2950 if (rsp->qpair->cpuid != smp_processor_id())
2951 qla_cpu_update(rsp->qpair, smp_processor_id());
2952
2953 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2954 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2955
2956 rsp->ring_index++;
2957 if (rsp->ring_index == rsp->length) {
2958 rsp->ring_index = 0;
2959 rsp->ring_ptr = rsp->ring;
2960 } else {
2961 rsp->ring_ptr++;
2962 }
2963
2964 if (pkt->entry_status != 0) {
2965 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2966 goto process_err;
2967
2968 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2969 wmb();
2970 continue;
2971 }
2972 process_err:
2973
2974 switch (pkt->entry_type) {
2975 case STATUS_TYPE:
2976 qla2x00_status_entry(vha, rsp, pkt);
2977 break;
2978 case STATUS_CONT_TYPE:
2979 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2980 break;
2981 case VP_RPT_ID_IOCB_TYPE:
2982 qla24xx_report_id_acquisition(vha,
2983 (struct vp_rpt_id_entry_24xx *)pkt);
2984 break;
2985 case LOGINOUT_PORT_IOCB_TYPE:
2986 qla24xx_logio_entry(vha, rsp->req,
2987 (struct logio_entry_24xx *)pkt);
2988 break;
2989 case CT_IOCB_TYPE:
2990 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2991 break;
2992 case ELS_IOCB_TYPE:
2993 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2994 break;
2995 case ABTS_RECV_24XX:
2996 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2997 /* ensure that the ATIO queue is empty */
2998 qlt_handle_abts_recv(vha, rsp,
2999 (response_t *)pkt);
3000 break;
3001 } else {
3002 qlt_24xx_process_atio_queue(vha, 1);
3003 }
3004 /* fall through */
3005 case ABTS_RESP_24XX:
3006 case CTIO_TYPE7:
3007 case CTIO_CRC2:
3008 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3009 break;
3010 case PT_LS4_REQUEST:
3011 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3012 rsp->req);
3013 break;
3014 case NOTIFY_ACK_TYPE:
3015 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3016 qlt_response_pkt_all_vps(vha, rsp,
3017 (response_t *)pkt);
3018 else
3019 qla24xxx_nack_iocb_entry(vha, rsp->req,
3020 (struct nack_to_isp *)pkt);
3021 break;
3022 case MARKER_TYPE:
3023 /* Do nothing in this case, this check is to prevent it
3024 * from falling into default case
3025 */
3026 break;
3027 case ABORT_IOCB_TYPE:
3028 qla24xx_abort_iocb_entry(vha, rsp->req,
3029 (struct abort_entry_24xx *)pkt);
3030 break;
3031 case MBX_IOCB_TYPE:
3032 qla24xx_mbx_iocb_entry(vha, rsp->req,
3033 (struct mbx_24xx_entry *)pkt);
3034 break;
3035 case VP_CTRL_IOCB_TYPE:
3036 qla_ctrlvp_completed(vha, rsp->req,
3037 (struct vp_ctrl_entry_24xx *)pkt);
3038 break;
3039 default:
3040 /* Type Not Supported. */
3041 ql_dbg(ql_dbg_async, vha, 0x5042,
3042 "Received unknown response pkt type %x "
3043 "entry status=%x.\n",
3044 pkt->entry_type, pkt->entry_status);
3045 break;
3046 }
3047 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3048 wmb();
3049 }
3050
3051 /* Adjust ring index */
3052 if (IS_P3P_TYPE(ha)) {
3053 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3054 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
3055 } else {
3056 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3057 }
3058 }
3059
3060 static void
3061 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3062 {
3063 int rval;
3064 uint32_t cnt;
3065 struct qla_hw_data *ha = vha->hw;
3066 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3067
3068 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3069 !IS_QLA27XX(ha))
3070 return;
3071
3072 rval = QLA_SUCCESS;
3073 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
3074 RD_REG_DWORD(&reg->iobase_addr);
3075 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3076 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3077 rval == QLA_SUCCESS; cnt--) {
3078 if (cnt) {
3079 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
3080 udelay(10);
3081 } else
3082 rval = QLA_FUNCTION_TIMEOUT;
3083 }
3084 if (rval == QLA_SUCCESS)
3085 goto next_test;
3086
3087 rval = QLA_SUCCESS;
3088 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3089 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
3090 rval == QLA_SUCCESS; cnt--) {
3091 if (cnt) {
3092 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
3093 udelay(10);
3094 } else
3095 rval = QLA_FUNCTION_TIMEOUT;
3096 }
3097 if (rval != QLA_SUCCESS)
3098 goto done;
3099
3100 next_test:
3101 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
3102 ql_log(ql_log_info, vha, 0x504c,
3103 "Additional code -- 0x55AA.\n");
3104
3105 done:
3106 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
3107 RD_REG_DWORD(&reg->iobase_window);
3108 }
3109
3110 /**
3111 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3112 * @irq: interrupt number
3113 * @dev_id: SCSI driver HA context
3114 *
3115 * Called by system whenever the host adapter generates an interrupt.
3116 *
3117 * Returns handled flag.
3118 */
3119 irqreturn_t
3120 qla24xx_intr_handler(int irq, void *dev_id)
3121 {
3122 scsi_qla_host_t *vha;
3123 struct qla_hw_data *ha;
3124 struct device_reg_24xx __iomem *reg;
3125 int status;
3126 unsigned long iter;
3127 uint32_t stat;
3128 uint32_t hccr;
3129 uint16_t mb[8];
3130 struct rsp_que *rsp;
3131 unsigned long flags;
3132 bool process_atio = false;
3133
3134 rsp = (struct rsp_que *) dev_id;
3135 if (!rsp) {
3136 ql_log(ql_log_info, NULL, 0x5059,
3137 "%s: NULL response queue pointer.\n", __func__);
3138 return IRQ_NONE;
3139 }
3140
3141 ha = rsp->hw;
3142 reg = &ha->iobase->isp24;
3143 status = 0;
3144
3145 if (unlikely(pci_channel_offline(ha->pdev)))
3146 return IRQ_HANDLED;
3147
3148 spin_lock_irqsave(&ha->hardware_lock, flags);
3149 vha = pci_get_drvdata(ha->pdev);
3150 for (iter = 50; iter--; ) {
3151 stat = RD_REG_DWORD(&reg->host_status);
3152 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3153 break;
3154 if (stat & HSRX_RISC_PAUSED) {
3155 if (unlikely(pci_channel_offline(ha->pdev)))
3156 break;
3157
3158 hccr = RD_REG_DWORD(&reg->hccr);
3159
3160 ql_log(ql_log_warn, vha, 0x504b,
3161 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3162 hccr);
3163
3164 qla2xxx_check_risc_status(vha);
3165
3166 ha->isp_ops->fw_dump(vha, 1);
3167 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3168 break;
3169 } else if ((stat & HSRX_RISC_INT) == 0)
3170 break;
3171
3172 switch (stat & 0xff) {
3173 case INTR_ROM_MB_SUCCESS:
3174 case INTR_ROM_MB_FAILED:
3175 case INTR_MB_SUCCESS:
3176 case INTR_MB_FAILED:
3177 qla24xx_mbx_completion(vha, MSW(stat));
3178 status |= MBX_INTERRUPT;
3179
3180 break;
3181 case INTR_ASYNC_EVENT:
3182 mb[0] = MSW(stat);
3183 mb[1] = RD_REG_WORD(&reg->mailbox1);
3184 mb[2] = RD_REG_WORD(&reg->mailbox2);
3185 mb[3] = RD_REG_WORD(&reg->mailbox3);
3186 qla2x00_async_event(vha, rsp, mb);
3187 break;
3188 case INTR_RSP_QUE_UPDATE:
3189 case INTR_RSP_QUE_UPDATE_83XX:
3190 qla24xx_process_response_queue(vha, rsp);
3191 break;
3192 case INTR_ATIO_QUE_UPDATE_27XX:
3193 case INTR_ATIO_QUE_UPDATE:
3194 process_atio = true;
3195 break;
3196 case INTR_ATIO_RSP_QUE_UPDATE:
3197 process_atio = true;
3198 qla24xx_process_response_queue(vha, rsp);
3199 break;
3200 default:
3201 ql_dbg(ql_dbg_async, vha, 0x504f,
3202 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3203 break;
3204 }
3205 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3206 RD_REG_DWORD_RELAXED(&reg->hccr);
3207 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3208 ndelay(3500);
3209 }
3210 qla2x00_handle_mbx_completion(ha, status);
3211 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3212
3213 if (process_atio) {
3214 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3215 qlt_24xx_process_atio_queue(vha, 0);
3216 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3217 }
3218
3219 return IRQ_HANDLED;
3220 }
3221
3222 static irqreturn_t
3223 qla24xx_msix_rsp_q(int irq, void *dev_id)
3224 {
3225 struct qla_hw_data *ha;
3226 struct rsp_que *rsp;
3227 struct device_reg_24xx __iomem *reg;
3228 struct scsi_qla_host *vha;
3229 unsigned long flags;
3230
3231 rsp = (struct rsp_que *) dev_id;
3232 if (!rsp) {
3233 ql_log(ql_log_info, NULL, 0x505a,
3234 "%s: NULL response queue pointer.\n", __func__);
3235 return IRQ_NONE;
3236 }
3237 ha = rsp->hw;
3238 reg = &ha->iobase->isp24;
3239
3240 spin_lock_irqsave(&ha->hardware_lock, flags);
3241
3242 vha = pci_get_drvdata(ha->pdev);
3243 qla24xx_process_response_queue(vha, rsp);
3244 if (!ha->flags.disable_msix_handshake) {
3245 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3246 RD_REG_DWORD_RELAXED(&reg->hccr);
3247 }
3248 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3249
3250 return IRQ_HANDLED;
3251 }
3252
3253 static irqreturn_t
3254 qla24xx_msix_default(int irq, void *dev_id)
3255 {
3256 scsi_qla_host_t *vha;
3257 struct qla_hw_data *ha;
3258 struct rsp_que *rsp;
3259 struct device_reg_24xx __iomem *reg;
3260 int status;
3261 uint32_t stat;
3262 uint32_t hccr;
3263 uint16_t mb[8];
3264 unsigned long flags;
3265 bool process_atio = false;
3266
3267 rsp = (struct rsp_que *) dev_id;
3268 if (!rsp) {
3269 ql_log(ql_log_info, NULL, 0x505c,
3270 "%s: NULL response queue pointer.\n", __func__);
3271 return IRQ_NONE;
3272 }
3273 ha = rsp->hw;
3274 reg = &ha->iobase->isp24;
3275 status = 0;
3276
3277 spin_lock_irqsave(&ha->hardware_lock, flags);
3278 vha = pci_get_drvdata(ha->pdev);
3279 do {
3280 stat = RD_REG_DWORD(&reg->host_status);
3281 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3282 break;
3283 if (stat & HSRX_RISC_PAUSED) {
3284 if (unlikely(pci_channel_offline(ha->pdev)))
3285 break;
3286
3287 hccr = RD_REG_DWORD(&reg->hccr);
3288
3289 ql_log(ql_log_info, vha, 0x5050,
3290 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3291 hccr);
3292
3293 qla2xxx_check_risc_status(vha);
3294
3295 ha->isp_ops->fw_dump(vha, 1);
3296 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3297 break;
3298 } else if ((stat & HSRX_RISC_INT) == 0)
3299 break;
3300
3301 switch (stat & 0xff) {
3302 case INTR_ROM_MB_SUCCESS:
3303 case INTR_ROM_MB_FAILED:
3304 case INTR_MB_SUCCESS:
3305 case INTR_MB_FAILED:
3306 qla24xx_mbx_completion(vha, MSW(stat));
3307 status |= MBX_INTERRUPT;
3308
3309 break;
3310 case INTR_ASYNC_EVENT:
3311 mb[0] = MSW(stat);
3312 mb[1] = RD_REG_WORD(&reg->mailbox1);
3313 mb[2] = RD_REG_WORD(&reg->mailbox2);
3314 mb[3] = RD_REG_WORD(&reg->mailbox3);
3315 qla2x00_async_event(vha, rsp, mb);
3316 break;
3317 case INTR_RSP_QUE_UPDATE:
3318 case INTR_RSP_QUE_UPDATE_83XX:
3319 qla24xx_process_response_queue(vha, rsp);
3320 break;
3321 case INTR_ATIO_QUE_UPDATE_27XX:
3322 case INTR_ATIO_QUE_UPDATE:
3323 process_atio = true;
3324 break;
3325 case INTR_ATIO_RSP_QUE_UPDATE:
3326 process_atio = true;
3327 qla24xx_process_response_queue(vha, rsp);
3328 break;
3329 default:
3330 ql_dbg(ql_dbg_async, vha, 0x5051,
3331 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3332 break;
3333 }
3334 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3335 } while (0);
3336 qla2x00_handle_mbx_completion(ha, status);
3337 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3338
3339 if (process_atio) {
3340 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3341 qlt_24xx_process_atio_queue(vha, 0);
3342 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3343 }
3344
3345 return IRQ_HANDLED;
3346 }
3347
3348 irqreturn_t
3349 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3350 {
3351 struct qla_hw_data *ha;
3352 struct qla_qpair *qpair;
3353 struct device_reg_24xx __iomem *reg;
3354 unsigned long flags;
3355
3356 qpair = dev_id;
3357 if (!qpair) {
3358 ql_log(ql_log_info, NULL, 0x505b,
3359 "%s: NULL response queue pointer.\n", __func__);
3360 return IRQ_NONE;
3361 }
3362 ha = qpair->hw;
3363
3364 /* Clear the interrupt, if enabled, for this response queue */
3365 if (unlikely(!ha->flags.disable_msix_handshake)) {
3366 reg = &ha->iobase->isp24;
3367 spin_lock_irqsave(&ha->hardware_lock, flags);
3368 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3369 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3370 }
3371
3372 queue_work(ha->wq, &qpair->q_work);
3373
3374 return IRQ_HANDLED;
3375 }
3376
3377 /* Interrupt handling helpers. */
3378
3379 struct qla_init_msix_entry {
3380 const char *name;
3381 irq_handler_t handler;
3382 };
3383
3384 static const struct qla_init_msix_entry msix_entries[] = {
3385 { "default", qla24xx_msix_default },
3386 { "rsp_q", qla24xx_msix_rsp_q },
3387 { "atio_q", qla83xx_msix_atio_q },
3388 { "qpair_multiq", qla2xxx_msix_rsp_q },
3389 };
3390
3391 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3392 { "qla2xxx (default)", qla82xx_msix_default },
3393 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3394 };
3395
3396 static int
3397 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3398 {
3399 int i, ret;
3400 struct qla_msix_entry *qentry;
3401 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3402 int min_vecs = QLA_BASE_VECTORS;
3403 struct irq_affinity desc = {
3404 .pre_vectors = QLA_BASE_VECTORS,
3405 };
3406
3407 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3408 IS_ATIO_MSIX_CAPABLE(ha)) {
3409 desc.pre_vectors++;
3410 min_vecs++;
3411 }
3412
3413 if (USER_CTRL_IRQ(ha)) {
3414 /* user wants to control IRQ setting for target mode */
3415 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3416 ha->msix_count, PCI_IRQ_MSIX);
3417 } else
3418 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3419 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3420 &desc);
3421
3422 if (ret < 0) {
3423 ql_log(ql_log_fatal, vha, 0x00c7,
3424 "MSI-X: Failed to enable support, "
3425 "giving up -- %d/%d.\n",
3426 ha->msix_count, ret);
3427 goto msix_out;
3428 } else if (ret < ha->msix_count) {
3429 ql_log(ql_log_warn, vha, 0x00c6,
3430 "MSI-X: Failed to enable support "
3431 "with %d vectors, using %d vectors.\n",
3432 ha->msix_count, ret);
3433 ha->msix_count = ret;
3434 /* Recalculate queue values */
3435 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3436 ha->max_req_queues = ha->msix_count - 1;
3437
3438 /* ATIOQ needs 1 vector. That's 1 less QPair */
3439 if (QLA_TGT_MODE_ENABLED())
3440 ha->max_req_queues--;
3441
3442 ha->max_rsp_queues = ha->max_req_queues;
3443
3444 ha->max_qpairs = ha->max_req_queues - 1;
3445 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3446 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3447 }
3448 }
3449 vha->irq_offset = desc.pre_vectors;
3450 ha->msix_entries = kcalloc(ha->msix_count,
3451 sizeof(struct qla_msix_entry),
3452 GFP_KERNEL);
3453 if (!ha->msix_entries) {
3454 ql_log(ql_log_fatal, vha, 0x00c8,
3455 "Failed to allocate memory for ha->msix_entries.\n");
3456 ret = -ENOMEM;
3457 goto msix_out;
3458 }
3459 ha->flags.msix_enabled = 1;
3460
3461 for (i = 0; i < ha->msix_count; i++) {
3462 qentry = &ha->msix_entries[i];
3463 qentry->vector = pci_irq_vector(ha->pdev, i);
3464 qentry->entry = i;
3465 qentry->have_irq = 0;
3466 qentry->in_use = 0;
3467 qentry->handle = NULL;
3468 }
3469
3470 /* Enable MSI-X vectors for the base queue */
3471 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3472 qentry = &ha->msix_entries[i];
3473 qentry->handle = rsp;
3474 rsp->msix = qentry;
3475 scnprintf(qentry->name, sizeof(qentry->name),
3476 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3477 if (IS_P3P_TYPE(ha))
3478 ret = request_irq(qentry->vector,
3479 qla82xx_msix_entries[i].handler,
3480 0, qla82xx_msix_entries[i].name, rsp);
3481 else
3482 ret = request_irq(qentry->vector,
3483 msix_entries[i].handler,
3484 0, qentry->name, rsp);
3485 if (ret)
3486 goto msix_register_fail;
3487 qentry->have_irq = 1;
3488 qentry->in_use = 1;
3489 }
3490
3491 /*
3492 * If target mode is enable, also request the vector for the ATIO
3493 * queue.
3494 */
3495 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3496 IS_ATIO_MSIX_CAPABLE(ha)) {
3497 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3498 rsp->msix = qentry;
3499 qentry->handle = rsp;
3500 scnprintf(qentry->name, sizeof(qentry->name),
3501 "qla2xxx%lu_%s", vha->host_no,
3502 msix_entries[QLA_ATIO_VECTOR].name);
3503 qentry->in_use = 1;
3504 ret = request_irq(qentry->vector,
3505 msix_entries[QLA_ATIO_VECTOR].handler,
3506 0, qentry->name, rsp);
3507 qentry->have_irq = 1;
3508 }
3509
3510 msix_register_fail:
3511 if (ret) {
3512 ql_log(ql_log_fatal, vha, 0x00cb,
3513 "MSI-X: unable to register handler -- %x/%d.\n",
3514 qentry->vector, ret);
3515 qla2x00_free_irqs(vha);
3516 ha->mqenable = 0;
3517 goto msix_out;
3518 }
3519
3520 /* Enable MSI-X vector for response queue update for queue 0 */
3521 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3522 if (ha->msixbase && ha->mqiobase &&
3523 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3524 ql2xmqsupport))
3525 ha->mqenable = 1;
3526 } else
3527 if (ha->mqiobase &&
3528 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3529 ql2xmqsupport))
3530 ha->mqenable = 1;
3531 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3532 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3533 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3534 ql_dbg(ql_dbg_init, vha, 0x0055,
3535 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3536 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3537
3538 msix_out:
3539 return ret;
3540 }
3541
3542 int
3543 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3544 {
3545 int ret = QLA_FUNCTION_FAILED;
3546 device_reg_t *reg = ha->iobase;
3547 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3548
3549 /* If possible, enable MSI-X. */
3550 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3551 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3552 !IS_QLAFX00(ha) && !IS_QLA27XX(ha)))
3553 goto skip_msi;
3554
3555 if (ql2xenablemsix == 2)
3556 goto skip_msix;
3557
3558 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3559 (ha->pdev->subsystem_device == 0x7040 ||
3560 ha->pdev->subsystem_device == 0x7041 ||
3561 ha->pdev->subsystem_device == 0x1705)) {
3562 ql_log(ql_log_warn, vha, 0x0034,
3563 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3564 ha->pdev->subsystem_vendor,
3565 ha->pdev->subsystem_device);
3566 goto skip_msi;
3567 }
3568
3569 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3570 ql_log(ql_log_warn, vha, 0x0035,
3571 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3572 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3573 goto skip_msix;
3574 }
3575
3576 ret = qla24xx_enable_msix(ha, rsp);
3577 if (!ret) {
3578 ql_dbg(ql_dbg_init, vha, 0x0036,
3579 "MSI-X: Enabled (0x%X, 0x%X).\n",
3580 ha->chip_revision, ha->fw_attributes);
3581 goto clear_risc_ints;
3582 }
3583
3584 skip_msix:
3585
3586 ql_log(ql_log_info, vha, 0x0037,
3587 "Falling back-to MSI mode -%d.\n", ret);
3588
3589 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3590 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3591 !IS_QLA27XX(ha))
3592 goto skip_msi;
3593
3594 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3595 if (!ret) {
3596 ql_dbg(ql_dbg_init, vha, 0x0038,
3597 "MSI: Enabled.\n");
3598 ha->flags.msi_enabled = 1;
3599 } else
3600 ql_log(ql_log_warn, vha, 0x0039,
3601 "Falling back-to INTa mode -- %d.\n", ret);
3602 skip_msi:
3603
3604 /* Skip INTx on ISP82xx. */
3605 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3606 return QLA_FUNCTION_FAILED;
3607
3608 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3609 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3610 QLA2XXX_DRIVER_NAME, rsp);
3611 if (ret) {
3612 ql_log(ql_log_warn, vha, 0x003a,
3613 "Failed to reserve interrupt %d already in use.\n",
3614 ha->pdev->irq);
3615 goto fail;
3616 } else if (!ha->flags.msi_enabled) {
3617 ql_dbg(ql_dbg_init, vha, 0x0125,
3618 "INTa mode: Enabled.\n");
3619 ha->flags.mr_intr_valid = 1;
3620 }
3621
3622 clear_risc_ints:
3623 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3624 goto fail;
3625
3626 spin_lock_irq(&ha->hardware_lock);
3627 WRT_REG_WORD(&reg->isp.semaphore, 0);
3628 spin_unlock_irq(&ha->hardware_lock);
3629
3630 fail:
3631 return ret;
3632 }
3633
3634 void
3635 qla2x00_free_irqs(scsi_qla_host_t *vha)
3636 {
3637 struct qla_hw_data *ha = vha->hw;
3638 struct rsp_que *rsp;
3639 struct qla_msix_entry *qentry;
3640 int i;
3641
3642 /*
3643 * We need to check that ha->rsp_q_map is valid in case we are called
3644 * from a probe failure context.
3645 */
3646 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3647 goto free_irqs;
3648 rsp = ha->rsp_q_map[0];
3649
3650 if (ha->flags.msix_enabled) {
3651 for (i = 0; i < ha->msix_count; i++) {
3652 qentry = &ha->msix_entries[i];
3653 if (qentry->have_irq) {
3654 irq_set_affinity_notifier(qentry->vector, NULL);
3655 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3656 }
3657 }
3658 kfree(ha->msix_entries);
3659 ha->msix_entries = NULL;
3660 ha->flags.msix_enabled = 0;
3661 ql_dbg(ql_dbg_init, vha, 0x0042,
3662 "Disabled MSI-X.\n");
3663 } else {
3664 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3665 }
3666
3667 free_irqs:
3668 pci_free_irq_vectors(ha->pdev);
3669 }
3670
3671 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3672 struct qla_msix_entry *msix, int vector_type)
3673 {
3674 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3675 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3676 int ret;
3677
3678 scnprintf(msix->name, sizeof(msix->name),
3679 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3680 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3681 if (ret) {
3682 ql_log(ql_log_fatal, vha, 0x00e6,
3683 "MSI-X: Unable to register handler -- %x/%d.\n",
3684 msix->vector, ret);
3685 return ret;
3686 }
3687 msix->have_irq = 1;
3688 msix->handle = qpair;
3689 return ret;
3690 }
Linux with added FPC-III support