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ASoC: wm_adsp: add support for DSP region lock
[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / qla2xxx / qla_isr.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/t10-pi.h>
13 #include <scsi/scsi_tcq.h>
14 #include <scsi/scsi_bsg_fc.h>
15 #include <scsi/scsi_eh.h>
16
17 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
18 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
19 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
20 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
21 sts_entry_t *);
22
23 /**
24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
25 * @irq:
26 * @dev_id: SCSI driver HA context
27 *
28 * Called by system whenever the host adapter generates an interrupt.
29 *
30 * Returns handled flag.
31 */
32 irqreturn_t
33 qla2100_intr_handler(int irq, void *dev_id)
34 {
35 scsi_qla_host_t *vha;
36 struct qla_hw_data *ha;
37 struct device_reg_2xxx __iomem *reg;
38 int status;
39 unsigned long iter;
40 uint16_t hccr;
41 uint16_t mb[4];
42 struct rsp_que *rsp;
43 unsigned long flags;
44
45 rsp = (struct rsp_que *) dev_id;
46 if (!rsp) {
47 ql_log(ql_log_info, NULL, 0x505d,
48 "%s: NULL response queue pointer.\n", __func__);
49 return (IRQ_NONE);
50 }
51
52 ha = rsp->hw;
53 reg = &ha->iobase->isp;
54 status = 0;
55
56 spin_lock_irqsave(&ha->hardware_lock, flags);
57 vha = pci_get_drvdata(ha->pdev);
58 for (iter = 50; iter--; ) {
59 hccr = RD_REG_WORD(&reg->hccr);
60 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
61 break;
62 if (hccr & HCCR_RISC_PAUSE) {
63 if (pci_channel_offline(ha->pdev))
64 break;
65
66 /*
67 * Issue a "HARD" reset in order for the RISC interrupt
68 * bit to be cleared. Schedule a big hammer to get
69 * out of the RISC PAUSED state.
70 */
71 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
72 RD_REG_WORD(&reg->hccr);
73
74 ha->isp_ops->fw_dump(vha, 1);
75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
76 break;
77 } else if ((RD_REG_WORD(&reg->istatus) & ISR_RISC_INT) == 0)
78 break;
79
80 if (RD_REG_WORD(&reg->semaphore) & BIT_0) {
81 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
82 RD_REG_WORD(&reg->hccr);
83
84 /* Get mailbox data. */
85 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
86 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
87 qla2x00_mbx_completion(vha, mb[0]);
88 status |= MBX_INTERRUPT;
89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
90 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
91 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
92 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
93 qla2x00_async_event(vha, rsp, mb);
94 } else {
95 /*EMPTY*/
96 ql_dbg(ql_dbg_async, vha, 0x5025,
97 "Unrecognized interrupt type (%d).\n",
98 mb[0]);
99 }
100 /* Release mailbox registers. */
101 WRT_REG_WORD(&reg->semaphore, 0);
102 RD_REG_WORD(&reg->semaphore);
103 } else {
104 qla2x00_process_response_queue(rsp);
105
106 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
107 RD_REG_WORD(&reg->hccr);
108 }
109 }
110 qla2x00_handle_mbx_completion(ha, status);
111 spin_unlock_irqrestore(&ha->hardware_lock, flags);
112
113 return (IRQ_HANDLED);
114 }
115
116 bool
117 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
118 {
119 /* Check for PCI disconnection */
120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
124 /*
125 * Schedule this (only once) on the default system
126 * workqueue so that all the adapter workqueues and the
127 * DPC thread can be shutdown cleanly.
128 */
129 schedule_work(&vha->hw->board_disable);
130 }
131 return true;
132 } else
133 return false;
134 }
135
136 bool
137 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
138 {
139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
140 }
141
142 /**
143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
144 * @irq:
145 * @dev_id: SCSI driver HA context
146 *
147 * Called by system whenever the host adapter generates an interrupt.
148 *
149 * Returns handled flag.
150 */
151 irqreturn_t
152 qla2300_intr_handler(int irq, void *dev_id)
153 {
154 scsi_qla_host_t *vha;
155 struct device_reg_2xxx __iomem *reg;
156 int status;
157 unsigned long iter;
158 uint32_t stat;
159 uint16_t hccr;
160 uint16_t mb[4];
161 struct rsp_que *rsp;
162 struct qla_hw_data *ha;
163 unsigned long flags;
164
165 rsp = (struct rsp_que *) dev_id;
166 if (!rsp) {
167 ql_log(ql_log_info, NULL, 0x5058,
168 "%s: NULL response queue pointer.\n", __func__);
169 return (IRQ_NONE);
170 }
171
172 ha = rsp->hw;
173 reg = &ha->iobase->isp;
174 status = 0;
175
176 spin_lock_irqsave(&ha->hardware_lock, flags);
177 vha = pci_get_drvdata(ha->pdev);
178 for (iter = 50; iter--; ) {
179 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
180 if (qla2x00_check_reg32_for_disconnect(vha, stat))
181 break;
182 if (stat & HSR_RISC_PAUSED) {
183 if (unlikely(pci_channel_offline(ha->pdev)))
184 break;
185
186 hccr = RD_REG_WORD(&reg->hccr);
187
188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
189 ql_log(ql_log_warn, vha, 0x5026,
190 "Parity error -- HCCR=%x, Dumping "
191 "firmware.\n", hccr);
192 else
193 ql_log(ql_log_warn, vha, 0x5027,
194 "RISC paused -- HCCR=%x, Dumping "
195 "firmware.\n", hccr);
196
197 /*
198 * Issue a "HARD" reset in order for the RISC
199 * interrupt bit to be cleared. Schedule a big
200 * hammer to get out of the RISC PAUSED state.
201 */
202 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
203 RD_REG_WORD(&reg->hccr);
204
205 ha->isp_ops->fw_dump(vha, 1);
206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
207 break;
208 } else if ((stat & HSR_RISC_INT) == 0)
209 break;
210
211 switch (stat & 0xff) {
212 case 0x1:
213 case 0x2:
214 case 0x10:
215 case 0x11:
216 qla2x00_mbx_completion(vha, MSW(stat));
217 status |= MBX_INTERRUPT;
218
219 /* Release mailbox registers. */
220 WRT_REG_WORD(&reg->semaphore, 0);
221 break;
222 case 0x12:
223 mb[0] = MSW(stat);
224 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
225 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
226 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
227 qla2x00_async_event(vha, rsp, mb);
228 break;
229 case 0x13:
230 qla2x00_process_response_queue(rsp);
231 break;
232 case 0x15:
233 mb[0] = MBA_CMPLT_1_16BIT;
234 mb[1] = MSW(stat);
235 qla2x00_async_event(vha, rsp, mb);
236 break;
237 case 0x16:
238 mb[0] = MBA_SCSI_COMPLETION;
239 mb[1] = MSW(stat);
240 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
241 qla2x00_async_event(vha, rsp, mb);
242 break;
243 default:
244 ql_dbg(ql_dbg_async, vha, 0x5028,
245 "Unrecognized interrupt type (%d).\n", stat & 0xff);
246 break;
247 }
248 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
249 RD_REG_WORD_RELAXED(&reg->hccr);
250 }
251 qla2x00_handle_mbx_completion(ha, status);
252 spin_unlock_irqrestore(&ha->hardware_lock, flags);
253
254 return (IRQ_HANDLED);
255 }
256
257 /**
258 * qla2x00_mbx_completion() - Process mailbox command completions.
259 * @ha: SCSI driver HA context
260 * @mb0: Mailbox0 register
261 */
262 static void
263 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
264 {
265 uint16_t cnt;
266 uint32_t mboxes;
267 uint16_t __iomem *wptr;
268 struct qla_hw_data *ha = vha->hw;
269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
270
271 /* Read all mbox registers? */
272 mboxes = (1 << ha->mbx_count) - 1;
273 if (!ha->mcp)
274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
275 else
276 mboxes = ha->mcp->in_mb;
277
278 /* Load return mailbox registers. */
279 ha->flags.mbox_int = 1;
280 ha->mailbox_out[0] = mb0;
281 mboxes >>= 1;
282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
283
284 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
285 if (IS_QLA2200(ha) && cnt == 8)
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
289 else if (mboxes & BIT_0)
290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
291
292 wptr++;
293 mboxes >>= 1;
294 }
295 }
296
297 static void
298 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
299 {
300 static char *event[] =
301 { "Complete", "Request Notification", "Time Extension" };
302 int rval;
303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
305 uint16_t __iomem *wptr;
306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
307
308 /* Seed data -- mailbox1 -> mailbox7. */
309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
310 wptr = (uint16_t __iomem *)&reg24->mailbox1;
311 else if (IS_QLA8044(vha->hw))
312 wptr = (uint16_t __iomem *)&reg82->mailbox_out[1];
313 else
314 return;
315
316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
317 mb[cnt] = RD_REG_WORD(wptr);
318
319 ql_dbg(ql_dbg_async, vha, 0x5021,
320 "Inter-Driver Communication %s -- "
321 "%04x %04x %04x %04x %04x %04x %04x.\n",
322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
323 mb[4], mb[5], mb[6]);
324 switch (aen) {
325 /* Handle IDC Error completion case. */
326 case MBA_IDC_COMPLETE:
327 if (mb[1] >> 15) {
328 vha->hw->flags.idc_compl_status = 1;
329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
330 complete(&vha->hw->dcbx_comp);
331 }
332 break;
333
334 case MBA_IDC_NOTIFY:
335 /* Acknowledgement needed? [Notify && non-zero timeout]. */
336 timeout = (descr >> 8) & 0xf;
337 ql_dbg(ql_dbg_async, vha, 0x5022,
338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
339 vha->host_no, event[aen & 0xff], timeout);
340
341 if (!timeout)
342 return;
343 rval = qla2x00_post_idc_ack_work(vha, mb);
344 if (rval != QLA_SUCCESS)
345 ql_log(ql_log_warn, vha, 0x5023,
346 "IDC failed to post ACK.\n");
347 break;
348 case MBA_IDC_TIME_EXT:
349 vha->hw->idc_extend_tmo = descr;
350 ql_dbg(ql_dbg_async, vha, 0x5087,
351 "%lu Inter-Driver Communication %s -- "
352 "Extend timeout by=%d.\n",
353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
354 break;
355 }
356 }
357
358 #define LS_UNKNOWN 2
359 const char *
360 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
361 {
362 static const char *const link_speeds[] = {
363 "1", "2", "?", "4", "8", "16", "32", "10"
364 };
365 #define QLA_LAST_SPEED 7
366
367 if (IS_QLA2100(ha) || IS_QLA2200(ha))
368 return link_speeds[0];
369 else if (speed == 0x13)
370 return link_speeds[QLA_LAST_SPEED];
371 else if (speed < QLA_LAST_SPEED)
372 return link_speeds[speed];
373 else
374 return link_speeds[LS_UNKNOWN];
375 }
376
377 static void
378 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
379 {
380 struct qla_hw_data *ha = vha->hw;
381
382 /*
383 * 8200 AEN Interpretation:
384 * mb[0] = AEN code
385 * mb[1] = AEN Reason code
386 * mb[2] = LSW of Peg-Halt Status-1 Register
387 * mb[6] = MSW of Peg-Halt Status-1 Register
388 * mb[3] = LSW of Peg-Halt Status-2 register
389 * mb[7] = MSW of Peg-Halt Status-2 register
390 * mb[4] = IDC Device-State Register value
391 * mb[5] = IDC Driver-Presence Register value
392 */
393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
395 mb[0], mb[1], mb[2], mb[6]);
396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
399
400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
401 IDC_HEARTBEAT_FAILURE)) {
402 ha->flags.nic_core_hung = 1;
403 ql_log(ql_log_warn, vha, 0x5060,
404 "83XX: F/W Error Reported: Check if reset required.\n");
405
406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
407 uint32_t protocol_engine_id, fw_err_code, err_level;
408
409 /*
410 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
411 * - PEG-Halt Status-1 Register:
412 * (LSW = mb[2], MSW = mb[6])
413 * Bits 0-7 = protocol-engine ID
414 * Bits 8-28 = f/w error code
415 * Bits 29-31 = Error-level
416 * Error-level 0x1 = Non-Fatal error
417 * Error-level 0x2 = Recoverable Fatal error
418 * Error-level 0x4 = UnRecoverable Fatal error
419 * - PEG-Halt Status-2 Register:
420 * (LSW = mb[3], MSW = mb[7])
421 */
422 protocol_engine_id = (mb[2] & 0xff);
423 fw_err_code = (((mb[2] & 0xff00) >> 8) |
424 ((mb[6] & 0x1fff) << 8));
425 err_level = ((mb[6] & 0xe000) >> 13);
426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
427 "Register: protocol_engine_id=0x%x "
428 "fw_err_code=0x%x err_level=0x%x.\n",
429 protocol_engine_id, fw_err_code, err_level);
430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
431 "Register: 0x%x%x.\n", mb[7], mb[3]);
432 if (err_level == ERR_LEVEL_NON_FATAL) {
433 ql_log(ql_log_warn, vha, 0x5063,
434 "Not a fatal error, f/w has recovered "
435 "iteself.\n");
436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
437 ql_log(ql_log_fatal, vha, 0x5064,
438 "Recoverable Fatal error: Chip reset "
439 "required.\n");
440 qla83xx_schedule_work(vha,
441 QLA83XX_NIC_CORE_RESET);
442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
443 ql_log(ql_log_fatal, vha, 0x5065,
444 "Unrecoverable Fatal error: Set FAILED "
445 "state, reboot required.\n");
446 qla83xx_schedule_work(vha,
447 QLA83XX_NIC_CORE_UNRECOVERABLE);
448 }
449 }
450
451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
452 uint16_t peg_fw_state, nw_interface_link_up;
453 uint16_t nw_interface_signal_detect, sfp_status;
454 uint16_t htbt_counter, htbt_monitor_enable;
455 uint16_t sfp_additonal_info, sfp_multirate;
456 uint16_t sfp_tx_fault, link_speed, dcbx_status;
457
458 /*
459 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
460 * - PEG-to-FC Status Register:
461 * (LSW = mb[2], MSW = mb[6])
462 * Bits 0-7 = Peg-Firmware state
463 * Bit 8 = N/W Interface Link-up
464 * Bit 9 = N/W Interface signal detected
465 * Bits 10-11 = SFP Status
466 * SFP Status 0x0 = SFP+ transceiver not expected
467 * SFP Status 0x1 = SFP+ transceiver not present
468 * SFP Status 0x2 = SFP+ transceiver invalid
469 * SFP Status 0x3 = SFP+ transceiver present and
470 * valid
471 * Bits 12-14 = Heartbeat Counter
472 * Bit 15 = Heartbeat Monitor Enable
473 * Bits 16-17 = SFP Additional Info
474 * SFP info 0x0 = Unregocnized transceiver for
475 * Ethernet
476 * SFP info 0x1 = SFP+ brand validation failed
477 * SFP info 0x2 = SFP+ speed validation failed
478 * SFP info 0x3 = SFP+ access error
479 * Bit 18 = SFP Multirate
480 * Bit 19 = SFP Tx Fault
481 * Bits 20-22 = Link Speed
482 * Bits 23-27 = Reserved
483 * Bits 28-30 = DCBX Status
484 * DCBX Status 0x0 = DCBX Disabled
485 * DCBX Status 0x1 = DCBX Enabled
486 * DCBX Status 0x2 = DCBX Exchange error
487 * Bit 31 = Reserved
488 */
489 peg_fw_state = (mb[2] & 0x00ff);
490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
492 sfp_status = ((mb[2] & 0x0c00) >> 10);
493 htbt_counter = ((mb[2] & 0x7000) >> 12);
494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
495 sfp_additonal_info = (mb[6] & 0x0003);
496 sfp_multirate = ((mb[6] & 0x0004) >> 2);
497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
498 link_speed = ((mb[6] & 0x0070) >> 4);
499 dcbx_status = ((mb[6] & 0x7000) >> 12);
500
501 ql_log(ql_log_warn, vha, 0x5066,
502 "Peg-to-Fc Status Register:\n"
503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
504 "nw_interface_signal_detect=0x%x"
505 "\nsfp_statis=0x%x.\n ", peg_fw_state,
506 nw_interface_link_up, nw_interface_signal_detect,
507 sfp_status);
508 ql_log(ql_log_warn, vha, 0x5067,
509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ",
511 htbt_counter, htbt_monitor_enable,
512 sfp_additonal_info, sfp_multirate);
513 ql_log(ql_log_warn, vha, 0x5068,
514 "sfp_tx_fault=0x%x, link_state=0x%x, "
515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
516 dcbx_status);
517
518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
519 }
520
521 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
522 ql_log(ql_log_warn, vha, 0x5069,
523 "Heartbeat Failure encountered, chip reset "
524 "required.\n");
525
526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
527 }
528 }
529
530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
531 ql_log(ql_log_info, vha, 0x506a,
532 "IDC Device-State changed = 0x%x.\n", mb[4]);
533 if (ha->flags.nic_core_reset_owner)
534 return;
535 qla83xx_schedule_work(vha, MBA_IDC_AEN);
536 }
537 }
538
539 int
540 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
541 {
542 struct qla_hw_data *ha = vha->hw;
543 scsi_qla_host_t *vp;
544 uint32_t vp_did;
545 unsigned long flags;
546 int ret = 0;
547
548 if (!ha->num_vhosts)
549 return ret;
550
551 spin_lock_irqsave(&ha->vport_slock, flags);
552 list_for_each_entry(vp, &ha->vp_list, list) {
553 vp_did = vp->d_id.b24;
554 if (vp_did == rscn_entry) {
555 ret = 1;
556 break;
557 }
558 }
559 spin_unlock_irqrestore(&ha->vport_slock, flags);
560
561 return ret;
562 }
563
564 fc_port_t *
565 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
566 {
567 fc_port_t *f, *tf;
568
569 f = tf = NULL;
570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
571 if (f->loop_id == loop_id)
572 return f;
573 return NULL;
574 }
575
576 fc_port_t *
577 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
578 {
579 fc_port_t *f, *tf;
580
581 f = tf = NULL;
582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
584 if (incl_deleted)
585 return f;
586 else if (f->deleted == 0)
587 return f;
588 }
589 }
590 return NULL;
591 }
592
593 fc_port_t *
594 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
595 u8 incl_deleted)
596 {
597 fc_port_t *f, *tf;
598
599 f = tf = NULL;
600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
601 if (f->d_id.b24 == id->b24) {
602 if (incl_deleted)
603 return f;
604 else if (f->deleted == 0)
605 return f;
606 }
607 }
608 return NULL;
609 }
610
611 /**
612 * qla2x00_async_event() - Process aynchronous events.
613 * @ha: SCSI driver HA context
614 * @mb: Mailbox registers (0 - 3)
615 */
616 void
617 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
618 {
619 uint16_t handle_cnt;
620 uint16_t cnt, mbx;
621 uint32_t handles[5];
622 struct qla_hw_data *ha = vha->hw;
623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
626 uint32_t rscn_entry, host_pid;
627 unsigned long flags;
628 fc_port_t *fcport = NULL;
629
630 /* Setup to process RIO completion. */
631 handle_cnt = 0;
632 if (IS_CNA_CAPABLE(ha))
633 goto skip_rio;
634 switch (mb[0]) {
635 case MBA_SCSI_COMPLETION:
636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
637 handle_cnt = 1;
638 break;
639 case MBA_CMPLT_1_16BIT:
640 handles[0] = mb[1];
641 handle_cnt = 1;
642 mb[0] = MBA_SCSI_COMPLETION;
643 break;
644 case MBA_CMPLT_2_16BIT:
645 handles[0] = mb[1];
646 handles[1] = mb[2];
647 handle_cnt = 2;
648 mb[0] = MBA_SCSI_COMPLETION;
649 break;
650 case MBA_CMPLT_3_16BIT:
651 handles[0] = mb[1];
652 handles[1] = mb[2];
653 handles[2] = mb[3];
654 handle_cnt = 3;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_4_16BIT:
658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
662 handle_cnt = 4;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_5_16BIT:
666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
671 handle_cnt = 5;
672 mb[0] = MBA_SCSI_COMPLETION;
673 break;
674 case MBA_CMPLT_2_32BIT:
675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
676 handles[1] = le32_to_cpu(
677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
678 RD_MAILBOX_REG(ha, reg, 6));
679 handle_cnt = 2;
680 mb[0] = MBA_SCSI_COMPLETION;
681 break;
682 default:
683 break;
684 }
685 skip_rio:
686 switch (mb[0]) {
687 case MBA_SCSI_COMPLETION: /* Fast Post */
688 if (!vha->flags.online)
689 break;
690
691 for (cnt = 0; cnt < handle_cnt; cnt++)
692 qla2x00_process_completed_request(vha, rsp->req,
693 handles[cnt]);
694 break;
695
696 case MBA_RESET: /* Reset */
697 ql_dbg(ql_dbg_async, vha, 0x5002,
698 "Asynchronous RESET.\n");
699
700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
701 break;
702
703 case MBA_SYSTEM_ERR: /* System Error */
704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
705 RD_REG_WORD(&reg24->mailbox7) : 0;
706 ql_log(ql_log_warn, vha, 0x5003,
707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
709
710 ha->isp_ops->fw_dump(vha, 1);
711
712 if (IS_FWI2_CAPABLE(ha)) {
713 if (mb[1] == 0 && mb[2] == 0) {
714 ql_log(ql_log_fatal, vha, 0x5004,
715 "Unrecoverable Hardware Error: adapter "
716 "marked OFFLINE!\n");
717 vha->flags.online = 0;
718 vha->device_flags |= DFLG_DEV_FAILED;
719 } else {
720 /* Check to see if MPI timeout occurred */
721 if ((mbx & MBX_3) && (ha->port_no == 0))
722 set_bit(MPI_RESET_NEEDED,
723 &vha->dpc_flags);
724
725 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
726 }
727 } else if (mb[1] == 0) {
728 ql_log(ql_log_fatal, vha, 0x5005,
729 "Unrecoverable Hardware Error: adapter marked "
730 "OFFLINE!\n");
731 vha->flags.online = 0;
732 vha->device_flags |= DFLG_DEV_FAILED;
733 } else
734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
735 break;
736
737 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
738 ql_log(ql_log_warn, vha, 0x5006,
739 "ISP Request Transfer Error (%x).\n", mb[1]);
740
741 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
742 break;
743
744 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
745 ql_log(ql_log_warn, vha, 0x5007,
746 "ISP Response Transfer Error (%x).\n", mb[1]);
747
748 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
749 break;
750
751 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
752 ql_dbg(ql_dbg_async, vha, 0x5008,
753 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
754 break;
755
756 case MBA_LOOP_INIT_ERR:
757 ql_log(ql_log_warn, vha, 0x5090,
758 "LOOP INIT ERROR (%x).\n", mb[1]);
759 ha->isp_ops->fw_dump(vha, 1);
760 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
761 break;
762
763 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
764 ql_dbg(ql_dbg_async, vha, 0x5009,
765 "LIP occurred (%x).\n", mb[1]);
766
767 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
768 atomic_set(&vha->loop_state, LOOP_DOWN);
769 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
770 qla2x00_mark_all_devices_lost(vha, 1);
771 }
772
773 if (vha->vp_idx) {
774 atomic_set(&vha->vp_state, VP_FAILED);
775 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
776 }
777
778 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
779 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
780
781 vha->flags.management_server_logged_in = 0;
782 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
783 break;
784
785 case MBA_LOOP_UP: /* Loop Up Event */
786 if (IS_QLA2100(ha) || IS_QLA2200(ha))
787 ha->link_data_rate = PORT_SPEED_1GB;
788 else
789 ha->link_data_rate = mb[1];
790
791 ql_log(ql_log_info, vha, 0x500a,
792 "LOOP UP detected (%s Gbps).\n",
793 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
794
795 vha->flags.management_server_logged_in = 0;
796 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
797 break;
798
799 case MBA_LOOP_DOWN: /* Loop Down Event */
800 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
801 ? RD_REG_WORD(&reg24->mailbox4) : 0;
802 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(&reg82->mailbox_out[4])
803 : mbx;
804 ql_log(ql_log_info, vha, 0x500b,
805 "LOOP DOWN detected (%x %x %x %x).\n",
806 mb[1], mb[2], mb[3], mbx);
807
808 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
809 atomic_set(&vha->loop_state, LOOP_DOWN);
810 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
811 /*
812 * In case of loop down, restore WWPN from
813 * NVRAM in case of FA-WWPN capable ISP
814 * Restore for Physical Port only
815 */
816 if (!vha->vp_idx) {
817 if (ha->flags.fawwpn_enabled) {
818 void *wwpn = ha->init_cb->port_name;
819 memcpy(vha->port_name, wwpn, WWN_SIZE);
820 fc_host_port_name(vha->host) =
821 wwn_to_u64(vha->port_name);
822 ql_dbg(ql_dbg_init + ql_dbg_verbose,
823 vha, 0x0144, "LOOP DOWN detected,"
824 "restore WWPN %016llx\n",
825 wwn_to_u64(vha->port_name));
826 }
827
828 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
829 }
830
831 vha->device_flags |= DFLG_NO_CABLE;
832 qla2x00_mark_all_devices_lost(vha, 1);
833 }
834
835 if (vha->vp_idx) {
836 atomic_set(&vha->vp_state, VP_FAILED);
837 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
838 }
839
840 vha->flags.management_server_logged_in = 0;
841 ha->link_data_rate = PORT_SPEED_UNKNOWN;
842 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
843 break;
844
845 case MBA_LIP_RESET: /* LIP reset occurred */
846 ql_dbg(ql_dbg_async, vha, 0x500c,
847 "LIP reset occurred (%x).\n", mb[1]);
848
849 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
850 atomic_set(&vha->loop_state, LOOP_DOWN);
851 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
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 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
861
862 ha->operating_mode = LOOP;
863 vha->flags.management_server_logged_in = 0;
864 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
865 break;
866
867 /* case MBA_DCBX_COMPLETE: */
868 case MBA_POINT_TO_POINT: /* Point-to-Point */
869 if (IS_QLA2100(ha))
870 break;
871
872 if (IS_CNA_CAPABLE(ha)) {
873 ql_dbg(ql_dbg_async, vha, 0x500d,
874 "DCBX Completed -- %04x %04x %04x.\n",
875 mb[1], mb[2], mb[3]);
876 if (ha->notify_dcbx_comp && !vha->vp_idx)
877 complete(&ha->dcbx_comp);
878
879 } else
880 ql_dbg(ql_dbg_async, vha, 0x500e,
881 "Asynchronous P2P MODE received.\n");
882
883 /*
884 * Until there's a transition from loop down to loop up, treat
885 * this as loop down only.
886 */
887 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
888 atomic_set(&vha->loop_state, LOOP_DOWN);
889 if (!atomic_read(&vha->loop_down_timer))
890 atomic_set(&vha->loop_down_timer,
891 LOOP_DOWN_TIME);
892 qla2x00_mark_all_devices_lost(vha, 1);
893 }
894
895 if (vha->vp_idx) {
896 atomic_set(&vha->vp_state, VP_FAILED);
897 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
898 }
899
900 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
901 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
902
903 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
904 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
905
906 ha->flags.gpsc_supported = 1;
907 vha->flags.management_server_logged_in = 0;
908 break;
909
910 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
911 if (IS_QLA2100(ha))
912 break;
913
914 ql_dbg(ql_dbg_async, vha, 0x500f,
915 "Configuration change detected: value=%x.\n", mb[1]);
916
917 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
918 atomic_set(&vha->loop_state, LOOP_DOWN);
919 if (!atomic_read(&vha->loop_down_timer))
920 atomic_set(&vha->loop_down_timer,
921 LOOP_DOWN_TIME);
922 qla2x00_mark_all_devices_lost(vha, 1);
923 }
924
925 if (vha->vp_idx) {
926 atomic_set(&vha->vp_state, VP_FAILED);
927 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
928 }
929
930 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
931 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
932 break;
933
934 case MBA_PORT_UPDATE: /* Port database update */
935 /*
936 * Handle only global and vn-port update events
937 *
938 * Relevant inputs:
939 * mb[1] = N_Port handle of changed port
940 * OR 0xffff for global event
941 * mb[2] = New login state
942 * 7 = Port logged out
943 * mb[3] = LSB is vp_idx, 0xff = all vps
944 *
945 * Skip processing if:
946 * Event is global, vp_idx is NOT all vps,
947 * vp_idx does not match
948 * Event is not global, vp_idx does not match
949 */
950 if (IS_QLA2XXX_MIDTYPE(ha) &&
951 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
952 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
953 break;
954
955 if (mb[2] == 0x7) {
956 ql_dbg(ql_dbg_async, vha, 0x5010,
957 "Port %s %04x %04x %04x.\n",
958 mb[1] == 0xffff ? "unavailable" : "logout",
959 mb[1], mb[2], mb[3]);
960
961 if (mb[1] == 0xffff)
962 goto global_port_update;
963
964 /* Port logout */
965 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
966 if (!fcport)
967 break;
968 if (atomic_read(&fcport->state) != FCS_ONLINE)
969 break;
970 ql_dbg(ql_dbg_async, vha, 0x508a,
971 "Marking port lost loopid=%04x portid=%06x.\n",
972 fcport->loop_id, fcport->d_id.b24);
973 if (qla_ini_mode_enabled(vha)) {
974 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
975 fcport->logout_on_delete = 0;
976 qlt_schedule_sess_for_deletion_lock(fcport);
977 }
978 break;
979
980 global_port_update:
981 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
982 atomic_set(&vha->loop_state, LOOP_DOWN);
983 atomic_set(&vha->loop_down_timer,
984 LOOP_DOWN_TIME);
985 vha->device_flags |= DFLG_NO_CABLE;
986 qla2x00_mark_all_devices_lost(vha, 1);
987 }
988
989 if (vha->vp_idx) {
990 atomic_set(&vha->vp_state, VP_FAILED);
991 fc_vport_set_state(vha->fc_vport,
992 FC_VPORT_FAILED);
993 qla2x00_mark_all_devices_lost(vha, 1);
994 }
995
996 vha->flags.management_server_logged_in = 0;
997 ha->link_data_rate = PORT_SPEED_UNKNOWN;
998 break;
999 }
1000
1001 /*
1002 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1003 * event etc. earlier indicating loop is down) then process
1004 * it. Otherwise ignore it and Wait for RSCN to come in.
1005 */
1006 atomic_set(&vha->loop_down_timer, 0);
1007 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1008 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1009 ql_dbg(ql_dbg_async, vha, 0x5011,
1010 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1011 mb[1], mb[2], mb[3]);
1012
1013 qlt_async_event(mb[0], vha, mb);
1014 break;
1015 }
1016
1017 ql_dbg(ql_dbg_async, vha, 0x5012,
1018 "Port database changed %04x %04x %04x.\n",
1019 mb[1], mb[2], mb[3]);
1020
1021 /*
1022 * Mark all devices as missing so we will login again.
1023 */
1024 atomic_set(&vha->loop_state, LOOP_UP);
1025
1026 qla2x00_mark_all_devices_lost(vha, 1);
1027
1028 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1029 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1030 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1031
1032 qlt_async_event(mb[0], vha, mb);
1033 break;
1034
1035 case MBA_RSCN_UPDATE: /* State Change Registration */
1036 /* Check if the Vport has issued a SCR */
1037 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1038 break;
1039 /* Only handle SCNs for our Vport index. */
1040 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1041 break;
1042
1043 ql_dbg(ql_dbg_async, vha, 0x5013,
1044 "RSCN database changed -- %04x %04x %04x.\n",
1045 mb[1], mb[2], mb[3]);
1046
1047 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1048 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1049 | vha->d_id.b.al_pa;
1050 if (rscn_entry == host_pid) {
1051 ql_dbg(ql_dbg_async, vha, 0x5014,
1052 "Ignoring RSCN update to local host "
1053 "port ID (%06x).\n", host_pid);
1054 break;
1055 }
1056
1057 /* Ignore reserved bits from RSCN-payload. */
1058 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1059
1060 /* Skip RSCNs for virtual ports on the same physical port */
1061 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1062 break;
1063
1064 atomic_set(&vha->loop_down_timer, 0);
1065 vha->flags.management_server_logged_in = 0;
1066 {
1067 struct event_arg ea;
1068
1069 memset(&ea, 0, sizeof(ea));
1070 ea.event = FCME_RSCN;
1071 ea.id.b24 = rscn_entry;
1072 ea.id.b.rsvd_1 = rscn_entry >> 24;
1073 qla2x00_fcport_event_handler(vha, &ea);
1074 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1075 }
1076 break;
1077 /* case MBA_RIO_RESPONSE: */
1078 case MBA_ZIO_RESPONSE:
1079 ql_dbg(ql_dbg_async, vha, 0x5015,
1080 "[R|Z]IO update completion.\n");
1081
1082 if (IS_FWI2_CAPABLE(ha))
1083 qla24xx_process_response_queue(vha, rsp);
1084 else
1085 qla2x00_process_response_queue(rsp);
1086 break;
1087
1088 case MBA_DISCARD_RND_FRAME:
1089 ql_dbg(ql_dbg_async, vha, 0x5016,
1090 "Discard RND Frame -- %04x %04x %04x.\n",
1091 mb[1], mb[2], mb[3]);
1092 break;
1093
1094 case MBA_TRACE_NOTIFICATION:
1095 ql_dbg(ql_dbg_async, vha, 0x5017,
1096 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1097 break;
1098
1099 case MBA_ISP84XX_ALERT:
1100 ql_dbg(ql_dbg_async, vha, 0x5018,
1101 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1102 mb[1], mb[2], mb[3]);
1103
1104 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1105 switch (mb[1]) {
1106 case A84_PANIC_RECOVERY:
1107 ql_log(ql_log_info, vha, 0x5019,
1108 "Alert 84XX: panic recovery %04x %04x.\n",
1109 mb[2], mb[3]);
1110 break;
1111 case A84_OP_LOGIN_COMPLETE:
1112 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1113 ql_log(ql_log_info, vha, 0x501a,
1114 "Alert 84XX: firmware version %x.\n",
1115 ha->cs84xx->op_fw_version);
1116 break;
1117 case A84_DIAG_LOGIN_COMPLETE:
1118 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1119 ql_log(ql_log_info, vha, 0x501b,
1120 "Alert 84XX: diagnostic firmware version %x.\n",
1121 ha->cs84xx->diag_fw_version);
1122 break;
1123 case A84_GOLD_LOGIN_COMPLETE:
1124 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1125 ha->cs84xx->fw_update = 1;
1126 ql_log(ql_log_info, vha, 0x501c,
1127 "Alert 84XX: gold firmware version %x.\n",
1128 ha->cs84xx->gold_fw_version);
1129 break;
1130 default:
1131 ql_log(ql_log_warn, vha, 0x501d,
1132 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1133 mb[1], mb[2], mb[3]);
1134 }
1135 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1136 break;
1137 case MBA_DCBX_START:
1138 ql_dbg(ql_dbg_async, vha, 0x501e,
1139 "DCBX Started -- %04x %04x %04x.\n",
1140 mb[1], mb[2], mb[3]);
1141 break;
1142 case MBA_DCBX_PARAM_UPDATE:
1143 ql_dbg(ql_dbg_async, vha, 0x501f,
1144 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1145 mb[1], mb[2], mb[3]);
1146 break;
1147 case MBA_FCF_CONF_ERR:
1148 ql_dbg(ql_dbg_async, vha, 0x5020,
1149 "FCF Configuration Error -- %04x %04x %04x.\n",
1150 mb[1], mb[2], mb[3]);
1151 break;
1152 case MBA_IDC_NOTIFY:
1153 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1154 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1155 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1156 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1157 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1158 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1159 /*
1160 * Extend loop down timer since port is active.
1161 */
1162 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1163 atomic_set(&vha->loop_down_timer,
1164 LOOP_DOWN_TIME);
1165 qla2xxx_wake_dpc(vha);
1166 }
1167 }
1168 case MBA_IDC_COMPLETE:
1169 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1170 complete(&ha->lb_portup_comp);
1171 /* Fallthru */
1172 case MBA_IDC_TIME_EXT:
1173 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1174 IS_QLA8044(ha))
1175 qla81xx_idc_event(vha, mb[0], mb[1]);
1176 break;
1177
1178 case MBA_IDC_AEN:
1179 mb[4] = RD_REG_WORD(&reg24->mailbox4);
1180 mb[5] = RD_REG_WORD(&reg24->mailbox5);
1181 mb[6] = RD_REG_WORD(&reg24->mailbox6);
1182 mb[7] = RD_REG_WORD(&reg24->mailbox7);
1183 qla83xx_handle_8200_aen(vha, mb);
1184 break;
1185
1186 case MBA_DPORT_DIAGNOSTICS:
1187 ql_dbg(ql_dbg_async, vha, 0x5052,
1188 "D-Port Diagnostics: %04x result=%s\n",
1189 mb[0],
1190 mb[1] == 0 ? "start" :
1191 mb[1] == 1 ? "done (pass)" :
1192 mb[1] == 2 ? "done (error)" : "other");
1193 break;
1194
1195 case MBA_TEMPERATURE_ALERT:
1196 ql_dbg(ql_dbg_async, vha, 0x505e,
1197 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1198 if (mb[1] == 0x12)
1199 schedule_work(&ha->board_disable);
1200 break;
1201
1202 default:
1203 ql_dbg(ql_dbg_async, vha, 0x5057,
1204 "Unknown AEN:%04x %04x %04x %04x\n",
1205 mb[0], mb[1], mb[2], mb[3]);
1206 }
1207
1208 qlt_async_event(mb[0], vha, mb);
1209
1210 if (!vha->vp_idx && ha->num_vhosts)
1211 qla2x00_alert_all_vps(rsp, mb);
1212 }
1213
1214 /**
1215 * qla2x00_process_completed_request() - Process a Fast Post response.
1216 * @ha: SCSI driver HA context
1217 * @index: SRB index
1218 */
1219 void
1220 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1221 struct req_que *req, uint32_t index)
1222 {
1223 srb_t *sp;
1224 struct qla_hw_data *ha = vha->hw;
1225
1226 /* Validate handle. */
1227 if (index >= req->num_outstanding_cmds) {
1228 ql_log(ql_log_warn, vha, 0x3014,
1229 "Invalid SCSI command index (%x).\n", index);
1230
1231 if (IS_P3P_TYPE(ha))
1232 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1233 else
1234 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1235 return;
1236 }
1237
1238 sp = req->outstanding_cmds[index];
1239 if (sp) {
1240 /* Free outstanding command slot. */
1241 req->outstanding_cmds[index] = NULL;
1242
1243 /* Save ISP completion status */
1244 sp->done(sp, DID_OK << 16);
1245 } else {
1246 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1247
1248 if (IS_P3P_TYPE(ha))
1249 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1250 else
1251 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1252 }
1253 }
1254
1255 srb_t *
1256 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1257 struct req_que *req, void *iocb)
1258 {
1259 struct qla_hw_data *ha = vha->hw;
1260 sts_entry_t *pkt = iocb;
1261 srb_t *sp = NULL;
1262 uint16_t index;
1263
1264 index = LSW(pkt->handle);
1265 if (index >= req->num_outstanding_cmds) {
1266 ql_log(ql_log_warn, vha, 0x5031,
1267 "Invalid command index (%x) type %8ph.\n",
1268 index, iocb);
1269 if (IS_P3P_TYPE(ha))
1270 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1271 else
1272 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1273 goto done;
1274 }
1275 sp = req->outstanding_cmds[index];
1276 if (!sp) {
1277 ql_log(ql_log_warn, vha, 0x5032,
1278 "Invalid completion handle (%x) -- timed-out.\n", index);
1279 return sp;
1280 }
1281 if (sp->handle != index) {
1282 ql_log(ql_log_warn, vha, 0x5033,
1283 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1284 return NULL;
1285 }
1286
1287 req->outstanding_cmds[index] = NULL;
1288
1289 done:
1290 return sp;
1291 }
1292
1293 static void
1294 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1295 struct mbx_entry *mbx)
1296 {
1297 const char func[] = "MBX-IOCB";
1298 const char *type;
1299 fc_port_t *fcport;
1300 srb_t *sp;
1301 struct srb_iocb *lio;
1302 uint16_t *data;
1303 uint16_t status;
1304
1305 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1306 if (!sp)
1307 return;
1308
1309 lio = &sp->u.iocb_cmd;
1310 type = sp->name;
1311 fcport = sp->fcport;
1312 data = lio->u.logio.data;
1313
1314 data[0] = MBS_COMMAND_ERROR;
1315 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1316 QLA_LOGIO_LOGIN_RETRIED : 0;
1317 if (mbx->entry_status) {
1318 ql_dbg(ql_dbg_async, vha, 0x5043,
1319 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1320 "entry-status=%x status=%x state-flag=%x "
1321 "status-flags=%x.\n", type, sp->handle,
1322 fcport->d_id.b.domain, fcport->d_id.b.area,
1323 fcport->d_id.b.al_pa, mbx->entry_status,
1324 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1325 le16_to_cpu(mbx->status_flags));
1326
1327 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1328 (uint8_t *)mbx, sizeof(*mbx));
1329
1330 goto logio_done;
1331 }
1332
1333 status = le16_to_cpu(mbx->status);
1334 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1335 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1336 status = 0;
1337 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1338 ql_dbg(ql_dbg_async, vha, 0x5045,
1339 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1340 type, sp->handle, fcport->d_id.b.domain,
1341 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1342 le16_to_cpu(mbx->mb1));
1343
1344 data[0] = MBS_COMMAND_COMPLETE;
1345 if (sp->type == SRB_LOGIN_CMD) {
1346 fcport->port_type = FCT_TARGET;
1347 if (le16_to_cpu(mbx->mb1) & BIT_0)
1348 fcport->port_type = FCT_INITIATOR;
1349 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1350 fcport->flags |= FCF_FCP2_DEVICE;
1351 }
1352 goto logio_done;
1353 }
1354
1355 data[0] = le16_to_cpu(mbx->mb0);
1356 switch (data[0]) {
1357 case MBS_PORT_ID_USED:
1358 data[1] = le16_to_cpu(mbx->mb1);
1359 break;
1360 case MBS_LOOP_ID_USED:
1361 break;
1362 default:
1363 data[0] = MBS_COMMAND_ERROR;
1364 break;
1365 }
1366
1367 ql_log(ql_log_warn, vha, 0x5046,
1368 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1369 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1371 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1372 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1373 le16_to_cpu(mbx->mb7));
1374
1375 logio_done:
1376 sp->done(sp, 0);
1377 }
1378
1379 static void
1380 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1381 struct mbx_24xx_entry *pkt)
1382 {
1383 const char func[] = "MBX-IOCB2";
1384 srb_t *sp;
1385 struct srb_iocb *si;
1386 u16 sz, i;
1387 int res;
1388
1389 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1390 if (!sp)
1391 return;
1392
1393 si = &sp->u.iocb_cmd;
1394 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1395
1396 for (i = 0; i < sz; i++)
1397 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1398
1399 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1400
1401 sp->done(sp, res);
1402 }
1403
1404 static void
1405 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1406 struct nack_to_isp *pkt)
1407 {
1408 const char func[] = "nack";
1409 srb_t *sp;
1410 int res = 0;
1411
1412 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1413 if (!sp)
1414 return;
1415
1416 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1417 res = QLA_FUNCTION_FAILED;
1418
1419 sp->done(sp, res);
1420 }
1421
1422 static void
1423 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1424 sts_entry_t *pkt, int iocb_type)
1425 {
1426 const char func[] = "CT_IOCB";
1427 const char *type;
1428 srb_t *sp;
1429 struct bsg_job *bsg_job;
1430 struct fc_bsg_reply *bsg_reply;
1431 uint16_t comp_status;
1432 int res = 0;
1433
1434 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1435 if (!sp)
1436 return;
1437
1438 switch (sp->type) {
1439 case SRB_CT_CMD:
1440 bsg_job = sp->u.bsg_job;
1441 bsg_reply = bsg_job->reply;
1442
1443 type = "ct pass-through";
1444
1445 comp_status = le16_to_cpu(pkt->comp_status);
1446
1447 /*
1448 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1449 * fc payload to the caller
1450 */
1451 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1452 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1453
1454 if (comp_status != CS_COMPLETE) {
1455 if (comp_status == CS_DATA_UNDERRUN) {
1456 res = DID_OK << 16;
1457 bsg_reply->reply_payload_rcv_len =
1458 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1459
1460 ql_log(ql_log_warn, vha, 0x5048,
1461 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1462 type, comp_status,
1463 bsg_reply->reply_payload_rcv_len);
1464 } else {
1465 ql_log(ql_log_warn, vha, 0x5049,
1466 "CT pass-through-%s error comp_status=0x%x.\n",
1467 type, comp_status);
1468 res = DID_ERROR << 16;
1469 bsg_reply->reply_payload_rcv_len = 0;
1470 }
1471 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1472 (uint8_t *)pkt, sizeof(*pkt));
1473 } else {
1474 res = DID_OK << 16;
1475 bsg_reply->reply_payload_rcv_len =
1476 bsg_job->reply_payload.payload_len;
1477 bsg_job->reply_len = 0;
1478 }
1479 break;
1480 case SRB_CT_PTHRU_CMD:
1481 /*
1482 * borrowing sts_entry_24xx.comp_status.
1483 * same location as ct_entry_24xx.comp_status
1484 */
1485 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1486 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1487 sp->name);
1488 break;
1489 }
1490
1491 sp->done(sp, res);
1492 }
1493
1494 static void
1495 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1496 struct sts_entry_24xx *pkt, int iocb_type)
1497 {
1498 const char func[] = "ELS_CT_IOCB";
1499 const char *type;
1500 srb_t *sp;
1501 struct bsg_job *bsg_job;
1502 struct fc_bsg_reply *bsg_reply;
1503 uint16_t comp_status;
1504 uint32_t fw_status[3];
1505 uint8_t* fw_sts_ptr;
1506 int res;
1507
1508 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1509 if (!sp)
1510 return;
1511 bsg_job = sp->u.bsg_job;
1512 bsg_reply = bsg_job->reply;
1513
1514 type = NULL;
1515 switch (sp->type) {
1516 case SRB_ELS_CMD_RPT:
1517 case SRB_ELS_CMD_HST:
1518 type = "els";
1519 break;
1520 case SRB_CT_CMD:
1521 type = "ct pass-through";
1522 break;
1523 case SRB_ELS_DCMD:
1524 type = "Driver ELS logo";
1525 ql_dbg(ql_dbg_user, vha, 0x5047,
1526 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1527 sp->done(sp, 0);
1528 return;
1529 case SRB_CT_PTHRU_CMD:
1530 /* borrowing sts_entry_24xx.comp_status.
1531 same location as ct_entry_24xx.comp_status
1532 */
1533 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1534 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1535 sp->name);
1536 sp->done(sp, res);
1537 return;
1538 default:
1539 ql_dbg(ql_dbg_user, vha, 0x503e,
1540 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1541 return;
1542 }
1543
1544 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1545 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1546 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1547
1548 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1549 * fc payload to the caller
1550 */
1551 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1552 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1553
1554 if (comp_status != CS_COMPLETE) {
1555 if (comp_status == CS_DATA_UNDERRUN) {
1556 res = DID_OK << 16;
1557 bsg_reply->reply_payload_rcv_len =
1558 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1559
1560 ql_dbg(ql_dbg_user, vha, 0x503f,
1561 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1562 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1563 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1564 le16_to_cpu(((struct els_sts_entry_24xx *)
1565 pkt)->total_byte_count));
1566 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1567 sizeof(struct fc_bsg_reply);
1568 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1569 }
1570 else {
1571 ql_dbg(ql_dbg_user, vha, 0x5040,
1572 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1573 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1574 type, sp->handle, comp_status,
1575 le16_to_cpu(((struct els_sts_entry_24xx *)
1576 pkt)->error_subcode_1),
1577 le16_to_cpu(((struct els_sts_entry_24xx *)
1578 pkt)->error_subcode_2));
1579 res = DID_ERROR << 16;
1580 bsg_reply->reply_payload_rcv_len = 0;
1581 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1582 sizeof(struct fc_bsg_reply);
1583 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1584 }
1585 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1586 (uint8_t *)pkt, sizeof(*pkt));
1587 }
1588 else {
1589 res = DID_OK << 16;
1590 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1591 bsg_job->reply_len = 0;
1592 }
1593
1594 sp->done(sp, res);
1595 }
1596
1597 static void
1598 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1599 struct logio_entry_24xx *logio)
1600 {
1601 const char func[] = "LOGIO-IOCB";
1602 const char *type;
1603 fc_port_t *fcport;
1604 srb_t *sp;
1605 struct srb_iocb *lio;
1606 uint16_t *data;
1607 uint32_t iop[2];
1608
1609 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1610 if (!sp)
1611 return;
1612
1613 lio = &sp->u.iocb_cmd;
1614 type = sp->name;
1615 fcport = sp->fcport;
1616 data = lio->u.logio.data;
1617
1618 data[0] = MBS_COMMAND_ERROR;
1619 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1620 QLA_LOGIO_LOGIN_RETRIED : 0;
1621 if (logio->entry_status) {
1622 ql_log(ql_log_warn, fcport->vha, 0x5034,
1623 "Async-%s error entry - hdl=%x"
1624 "portid=%02x%02x%02x entry-status=%x.\n",
1625 type, sp->handle, fcport->d_id.b.domain,
1626 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1627 logio->entry_status);
1628 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1629 (uint8_t *)logio, sizeof(*logio));
1630
1631 goto logio_done;
1632 }
1633
1634 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1635 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1636 "Async-%s complete - hdl=%x portid=%02x%02x%02x "
1637 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1638 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1639 le32_to_cpu(logio->io_parameter[0]));
1640
1641 vha->hw->exch_starvation = 0;
1642 data[0] = MBS_COMMAND_COMPLETE;
1643 if (sp->type != SRB_LOGIN_CMD)
1644 goto logio_done;
1645
1646 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1647 if (iop[0] & BIT_4) {
1648 fcport->port_type = FCT_TARGET;
1649 if (iop[0] & BIT_8)
1650 fcport->flags |= FCF_FCP2_DEVICE;
1651 } else if (iop[0] & BIT_5)
1652 fcport->port_type = FCT_INITIATOR;
1653
1654 if (iop[0] & BIT_7)
1655 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1656
1657 if (logio->io_parameter[7] || logio->io_parameter[8])
1658 fcport->supported_classes |= FC_COS_CLASS2;
1659 if (logio->io_parameter[9] || logio->io_parameter[10])
1660 fcport->supported_classes |= FC_COS_CLASS3;
1661
1662 goto logio_done;
1663 }
1664
1665 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1666 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1667 lio->u.logio.iop[0] = iop[0];
1668 lio->u.logio.iop[1] = iop[1];
1669 switch (iop[0]) {
1670 case LSC_SCODE_PORTID_USED:
1671 data[0] = MBS_PORT_ID_USED;
1672 data[1] = LSW(iop[1]);
1673 break;
1674 case LSC_SCODE_NPORT_USED:
1675 data[0] = MBS_LOOP_ID_USED;
1676 break;
1677 case LSC_SCODE_NOXCB:
1678 vha->hw->exch_starvation++;
1679 if (vha->hw->exch_starvation > 5) {
1680 ql_log(ql_log_warn, vha, 0xffff,
1681 "Exchange starvation. Resetting RISC\n");
1682
1683 vha->hw->exch_starvation = 0;
1684
1685 if (IS_P3P_TYPE(vha->hw))
1686 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1687 else
1688 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1689 qla2xxx_wake_dpc(vha);
1690 }
1691 /* drop through */
1692 default:
1693 data[0] = MBS_COMMAND_ERROR;
1694 break;
1695 }
1696
1697 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1698 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x "
1699 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain,
1700 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1701 le16_to_cpu(logio->comp_status),
1702 le32_to_cpu(logio->io_parameter[0]),
1703 le32_to_cpu(logio->io_parameter[1]));
1704
1705 logio_done:
1706 sp->done(sp, 0);
1707 }
1708
1709 static void
1710 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1711 {
1712 const char func[] = "TMF-IOCB";
1713 const char *type;
1714 fc_port_t *fcport;
1715 srb_t *sp;
1716 struct srb_iocb *iocb;
1717 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1718
1719 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1720 if (!sp)
1721 return;
1722
1723 iocb = &sp->u.iocb_cmd;
1724 type = sp->name;
1725 fcport = sp->fcport;
1726 iocb->u.tmf.data = QLA_SUCCESS;
1727
1728 if (sts->entry_status) {
1729 ql_log(ql_log_warn, fcport->vha, 0x5038,
1730 "Async-%s error - hdl=%x entry-status(%x).\n",
1731 type, sp->handle, sts->entry_status);
1732 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1733 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1734 ql_log(ql_log_warn, fcport->vha, 0x5039,
1735 "Async-%s error - hdl=%x completion status(%x).\n",
1736 type, sp->handle, sts->comp_status);
1737 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1738 } else if ((le16_to_cpu(sts->scsi_status) &
1739 SS_RESPONSE_INFO_LEN_VALID)) {
1740 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1741 ql_log(ql_log_warn, fcport->vha, 0x503b,
1742 "Async-%s error - hdl=%x not enough response(%d).\n",
1743 type, sp->handle, sts->rsp_data_len);
1744 } else if (sts->data[3]) {
1745 ql_log(ql_log_warn, fcport->vha, 0x503c,
1746 "Async-%s error - hdl=%x response(%x).\n",
1747 type, sp->handle, sts->data[3]);
1748 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1749 }
1750 }
1751
1752 if (iocb->u.tmf.data != QLA_SUCCESS)
1753 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1754 (uint8_t *)sts, sizeof(*sts));
1755
1756 sp->done(sp, 0);
1757 }
1758
1759 /**
1760 * qla2x00_process_response_queue() - Process response queue entries.
1761 * @ha: SCSI driver HA context
1762 */
1763 void
1764 qla2x00_process_response_queue(struct rsp_que *rsp)
1765 {
1766 struct scsi_qla_host *vha;
1767 struct qla_hw_data *ha = rsp->hw;
1768 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1769 sts_entry_t *pkt;
1770 uint16_t handle_cnt;
1771 uint16_t cnt;
1772
1773 vha = pci_get_drvdata(ha->pdev);
1774
1775 if (!vha->flags.online)
1776 return;
1777
1778 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1779 pkt = (sts_entry_t *)rsp->ring_ptr;
1780
1781 rsp->ring_index++;
1782 if (rsp->ring_index == rsp->length) {
1783 rsp->ring_index = 0;
1784 rsp->ring_ptr = rsp->ring;
1785 } else {
1786 rsp->ring_ptr++;
1787 }
1788
1789 if (pkt->entry_status != 0) {
1790 qla2x00_error_entry(vha, rsp, pkt);
1791 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1792 wmb();
1793 continue;
1794 }
1795
1796 switch (pkt->entry_type) {
1797 case STATUS_TYPE:
1798 qla2x00_status_entry(vha, rsp, pkt);
1799 break;
1800 case STATUS_TYPE_21:
1801 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1802 for (cnt = 0; cnt < handle_cnt; cnt++) {
1803 qla2x00_process_completed_request(vha, rsp->req,
1804 ((sts21_entry_t *)pkt)->handle[cnt]);
1805 }
1806 break;
1807 case STATUS_TYPE_22:
1808 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1809 for (cnt = 0; cnt < handle_cnt; cnt++) {
1810 qla2x00_process_completed_request(vha, rsp->req,
1811 ((sts22_entry_t *)pkt)->handle[cnt]);
1812 }
1813 break;
1814 case STATUS_CONT_TYPE:
1815 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1816 break;
1817 case MBX_IOCB_TYPE:
1818 qla2x00_mbx_iocb_entry(vha, rsp->req,
1819 (struct mbx_entry *)pkt);
1820 break;
1821 case CT_IOCB_TYPE:
1822 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1823 break;
1824 default:
1825 /* Type Not Supported. */
1826 ql_log(ql_log_warn, vha, 0x504a,
1827 "Received unknown response pkt type %x "
1828 "entry status=%x.\n",
1829 pkt->entry_type, pkt->entry_status);
1830 break;
1831 }
1832 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1833 wmb();
1834 }
1835
1836 /* Adjust ring index */
1837 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1838 }
1839
1840 static inline void
1841 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
1842 uint32_t sense_len, struct rsp_que *rsp, int res)
1843 {
1844 struct scsi_qla_host *vha = sp->vha;
1845 struct scsi_cmnd *cp = GET_CMD_SP(sp);
1846 uint32_t track_sense_len;
1847
1848 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
1849 sense_len = SCSI_SENSE_BUFFERSIZE;
1850
1851 SET_CMD_SENSE_LEN(sp, sense_len);
1852 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
1853 track_sense_len = sense_len;
1854
1855 if (sense_len > par_sense_len)
1856 sense_len = par_sense_len;
1857
1858 memcpy(cp->sense_buffer, sense_data, sense_len);
1859
1860 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
1861 track_sense_len -= sense_len;
1862 SET_CMD_SENSE_LEN(sp, track_sense_len);
1863
1864 if (track_sense_len != 0) {
1865 rsp->status_srb = sp;
1866 cp->result = res;
1867 }
1868
1869 if (sense_len) {
1870 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
1871 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
1872 sp->vha->host_no, cp->device->id, cp->device->lun,
1873 cp);
1874 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
1875 cp->sense_buffer, sense_len);
1876 }
1877 }
1878
1879 struct scsi_dif_tuple {
1880 __be16 guard; /* Checksum */
1881 __be16 app_tag; /* APPL identifier */
1882 __be32 ref_tag; /* Target LBA or indirect LBA */
1883 };
1884
1885 /*
1886 * Checks the guard or meta-data for the type of error
1887 * detected by the HBA. In case of errors, we set the
1888 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
1889 * to indicate to the kernel that the HBA detected error.
1890 */
1891 static inline int
1892 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
1893 {
1894 struct scsi_qla_host *vha = sp->vha;
1895 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1896 uint8_t *ap = &sts24->data[12];
1897 uint8_t *ep = &sts24->data[20];
1898 uint32_t e_ref_tag, a_ref_tag;
1899 uint16_t e_app_tag, a_app_tag;
1900 uint16_t e_guard, a_guard;
1901
1902 /*
1903 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
1904 * would make guard field appear at offset 2
1905 */
1906 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
1907 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
1908 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
1909 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
1910 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
1911 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
1912
1913 ql_dbg(ql_dbg_io, vha, 0x3023,
1914 "iocb(s) %p Returned STATUS.\n", sts24);
1915
1916 ql_dbg(ql_dbg_io, vha, 0x3024,
1917 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
1918 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
1919 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
1920 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
1921 a_app_tag, e_app_tag, a_guard, e_guard);
1922
1923 /*
1924 * Ignore sector if:
1925 * For type 3: ref & app tag is all 'f's
1926 * For type 0,1,2: app tag is all 'f's
1927 */
1928 if ((a_app_tag == 0xffff) &&
1929 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
1930 (a_ref_tag == 0xffffffff))) {
1931 uint32_t blocks_done, resid;
1932 sector_t lba_s = scsi_get_lba(cmd);
1933
1934 /* 2TB boundary case covered automatically with this */
1935 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
1936
1937 resid = scsi_bufflen(cmd) - (blocks_done *
1938 cmd->device->sector_size);
1939
1940 scsi_set_resid(cmd, resid);
1941 cmd->result = DID_OK << 16;
1942
1943 /* Update protection tag */
1944 if (scsi_prot_sg_count(cmd)) {
1945 uint32_t i, j = 0, k = 0, num_ent;
1946 struct scatterlist *sg;
1947 struct t10_pi_tuple *spt;
1948
1949 /* Patch the corresponding protection tags */
1950 scsi_for_each_prot_sg(cmd, sg,
1951 scsi_prot_sg_count(cmd), i) {
1952 num_ent = sg_dma_len(sg) / 8;
1953 if (k + num_ent < blocks_done) {
1954 k += num_ent;
1955 continue;
1956 }
1957 j = blocks_done - k - 1;
1958 k = blocks_done;
1959 break;
1960 }
1961
1962 if (k != blocks_done) {
1963 ql_log(ql_log_warn, vha, 0x302f,
1964 "unexpected tag values tag:lba=%x:%llx)\n",
1965 e_ref_tag, (unsigned long long)lba_s);
1966 return 1;
1967 }
1968
1969 spt = page_address(sg_page(sg)) + sg->offset;
1970 spt += j;
1971
1972 spt->app_tag = 0xffff;
1973 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
1974 spt->ref_tag = 0xffffffff;
1975 }
1976
1977 return 0;
1978 }
1979
1980 /* check guard */
1981 if (e_guard != a_guard) {
1982 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1983 0x10, 0x1);
1984 set_driver_byte(cmd, DRIVER_SENSE);
1985 set_host_byte(cmd, DID_ABORT);
1986 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1987 return 1;
1988 }
1989
1990 /* check ref tag */
1991 if (e_ref_tag != a_ref_tag) {
1992 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
1993 0x10, 0x3);
1994 set_driver_byte(cmd, DRIVER_SENSE);
1995 set_host_byte(cmd, DID_ABORT);
1996 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
1997 return 1;
1998 }
1999
2000 /* check appl tag */
2001 if (e_app_tag != a_app_tag) {
2002 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2003 0x10, 0x2);
2004 set_driver_byte(cmd, DRIVER_SENSE);
2005 set_host_byte(cmd, DID_ABORT);
2006 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2007 return 1;
2008 }
2009
2010 return 1;
2011 }
2012
2013 static void
2014 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2015 struct req_que *req, uint32_t index)
2016 {
2017 struct qla_hw_data *ha = vha->hw;
2018 srb_t *sp;
2019 uint16_t comp_status;
2020 uint16_t scsi_status;
2021 uint16_t thread_id;
2022 uint32_t rval = EXT_STATUS_OK;
2023 struct bsg_job *bsg_job = NULL;
2024 struct fc_bsg_request *bsg_request;
2025 struct fc_bsg_reply *bsg_reply;
2026 sts_entry_t *sts;
2027 struct sts_entry_24xx *sts24;
2028 sts = (sts_entry_t *) pkt;
2029 sts24 = (struct sts_entry_24xx *) pkt;
2030
2031 /* Validate handle. */
2032 if (index >= req->num_outstanding_cmds) {
2033 ql_log(ql_log_warn, vha, 0x70af,
2034 "Invalid SCSI completion handle 0x%x.\n", index);
2035 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2036 return;
2037 }
2038
2039 sp = req->outstanding_cmds[index];
2040 if (!sp) {
2041 ql_log(ql_log_warn, vha, 0x70b0,
2042 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2043 req->id, index);
2044
2045 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2046 return;
2047 }
2048
2049 /* Free outstanding command slot. */
2050 req->outstanding_cmds[index] = NULL;
2051 bsg_job = sp->u.bsg_job;
2052 bsg_request = bsg_job->request;
2053 bsg_reply = bsg_job->reply;
2054
2055 if (IS_FWI2_CAPABLE(ha)) {
2056 comp_status = le16_to_cpu(sts24->comp_status);
2057 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2058 } else {
2059 comp_status = le16_to_cpu(sts->comp_status);
2060 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2061 }
2062
2063 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2064 switch (comp_status) {
2065 case CS_COMPLETE:
2066 if (scsi_status == 0) {
2067 bsg_reply->reply_payload_rcv_len =
2068 bsg_job->reply_payload.payload_len;
2069 vha->qla_stats.input_bytes +=
2070 bsg_reply->reply_payload_rcv_len;
2071 vha->qla_stats.input_requests++;
2072 rval = EXT_STATUS_OK;
2073 }
2074 goto done;
2075
2076 case CS_DATA_OVERRUN:
2077 ql_dbg(ql_dbg_user, vha, 0x70b1,
2078 "Command completed with date overrun thread_id=%d\n",
2079 thread_id);
2080 rval = EXT_STATUS_DATA_OVERRUN;
2081 break;
2082
2083 case CS_DATA_UNDERRUN:
2084 ql_dbg(ql_dbg_user, vha, 0x70b2,
2085 "Command completed with date underrun thread_id=%d\n",
2086 thread_id);
2087 rval = EXT_STATUS_DATA_UNDERRUN;
2088 break;
2089 case CS_BIDIR_RD_OVERRUN:
2090 ql_dbg(ql_dbg_user, vha, 0x70b3,
2091 "Command completed with read data overrun thread_id=%d\n",
2092 thread_id);
2093 rval = EXT_STATUS_DATA_OVERRUN;
2094 break;
2095
2096 case CS_BIDIR_RD_WR_OVERRUN:
2097 ql_dbg(ql_dbg_user, vha, 0x70b4,
2098 "Command completed with read and write data overrun "
2099 "thread_id=%d\n", thread_id);
2100 rval = EXT_STATUS_DATA_OVERRUN;
2101 break;
2102
2103 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2104 ql_dbg(ql_dbg_user, vha, 0x70b5,
2105 "Command completed with read data over and write data "
2106 "underrun thread_id=%d\n", thread_id);
2107 rval = EXT_STATUS_DATA_OVERRUN;
2108 break;
2109
2110 case CS_BIDIR_RD_UNDERRUN:
2111 ql_dbg(ql_dbg_user, vha, 0x70b6,
2112 "Command completed with read data data underrun "
2113 "thread_id=%d\n", thread_id);
2114 rval = EXT_STATUS_DATA_UNDERRUN;
2115 break;
2116
2117 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2118 ql_dbg(ql_dbg_user, vha, 0x70b7,
2119 "Command completed with read data under and write data "
2120 "overrun thread_id=%d\n", thread_id);
2121 rval = EXT_STATUS_DATA_UNDERRUN;
2122 break;
2123
2124 case CS_BIDIR_RD_WR_UNDERRUN:
2125 ql_dbg(ql_dbg_user, vha, 0x70b8,
2126 "Command completed with read and write data underrun "
2127 "thread_id=%d\n", thread_id);
2128 rval = EXT_STATUS_DATA_UNDERRUN;
2129 break;
2130
2131 case CS_BIDIR_DMA:
2132 ql_dbg(ql_dbg_user, vha, 0x70b9,
2133 "Command completed with data DMA error thread_id=%d\n",
2134 thread_id);
2135 rval = EXT_STATUS_DMA_ERR;
2136 break;
2137
2138 case CS_TIMEOUT:
2139 ql_dbg(ql_dbg_user, vha, 0x70ba,
2140 "Command completed with timeout thread_id=%d\n",
2141 thread_id);
2142 rval = EXT_STATUS_TIMEOUT;
2143 break;
2144 default:
2145 ql_dbg(ql_dbg_user, vha, 0x70bb,
2146 "Command completed with completion status=0x%x "
2147 "thread_id=%d\n", comp_status, thread_id);
2148 rval = EXT_STATUS_ERR;
2149 break;
2150 }
2151 bsg_reply->reply_payload_rcv_len = 0;
2152
2153 done:
2154 /* Return the vendor specific reply to API */
2155 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2156 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2157 /* Always return DID_OK, bsg will send the vendor specific response
2158 * in this case only */
2159 sp->done(sp, DID_OK << 6);
2160
2161 }
2162
2163 /**
2164 * qla2x00_status_entry() - Process a Status IOCB entry.
2165 * @ha: SCSI driver HA context
2166 * @pkt: Entry pointer
2167 */
2168 static void
2169 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2170 {
2171 srb_t *sp;
2172 fc_port_t *fcport;
2173 struct scsi_cmnd *cp;
2174 sts_entry_t *sts;
2175 struct sts_entry_24xx *sts24;
2176 uint16_t comp_status;
2177 uint16_t scsi_status;
2178 uint16_t ox_id;
2179 uint8_t lscsi_status;
2180 int32_t resid;
2181 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2182 fw_resid_len;
2183 uint8_t *rsp_info, *sense_data;
2184 struct qla_hw_data *ha = vha->hw;
2185 uint32_t handle;
2186 uint16_t que;
2187 struct req_que *req;
2188 int logit = 1;
2189 int res = 0;
2190 uint16_t state_flags = 0;
2191 uint16_t retry_delay = 0;
2192 uint8_t no_logout = 0;
2193
2194 sts = (sts_entry_t *) pkt;
2195 sts24 = (struct sts_entry_24xx *) pkt;
2196 if (IS_FWI2_CAPABLE(ha)) {
2197 comp_status = le16_to_cpu(sts24->comp_status);
2198 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2199 state_flags = le16_to_cpu(sts24->state_flags);
2200 } else {
2201 comp_status = le16_to_cpu(sts->comp_status);
2202 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2203 }
2204 handle = (uint32_t) LSW(sts->handle);
2205 que = MSW(sts->handle);
2206 req = ha->req_q_map[que];
2207
2208 /* Check for invalid queue pointer */
2209 if (req == NULL ||
2210 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2211 ql_dbg(ql_dbg_io, vha, 0x3059,
2212 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2213 "que=%u.\n", sts->handle, req, que);
2214 return;
2215 }
2216
2217 /* Validate handle. */
2218 if (handle < req->num_outstanding_cmds) {
2219 sp = req->outstanding_cmds[handle];
2220 if (!sp) {
2221 ql_dbg(ql_dbg_io, vha, 0x3075,
2222 "%s(%ld): Already returned command for status handle (0x%x).\n",
2223 __func__, vha->host_no, sts->handle);
2224 return;
2225 }
2226 } else {
2227 ql_dbg(ql_dbg_io, vha, 0x3017,
2228 "Invalid status handle, out of range (0x%x).\n",
2229 sts->handle);
2230
2231 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2232 if (IS_P3P_TYPE(ha))
2233 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2234 else
2235 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2236 qla2xxx_wake_dpc(vha);
2237 }
2238 return;
2239 }
2240
2241 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2242 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2243 return;
2244 }
2245
2246 /* Task Management completion. */
2247 if (sp->type == SRB_TM_CMD) {
2248 qla24xx_tm_iocb_entry(vha, req, pkt);
2249 return;
2250 }
2251
2252 /* Fast path completion. */
2253 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2254 qla2x00_process_completed_request(vha, req, handle);
2255
2256 return;
2257 }
2258
2259 req->outstanding_cmds[handle] = NULL;
2260 cp = GET_CMD_SP(sp);
2261 if (cp == NULL) {
2262 ql_dbg(ql_dbg_io, vha, 0x3018,
2263 "Command already returned (0x%x/%p).\n",
2264 sts->handle, sp);
2265
2266 return;
2267 }
2268
2269 lscsi_status = scsi_status & STATUS_MASK;
2270
2271 fcport = sp->fcport;
2272
2273 ox_id = 0;
2274 sense_len = par_sense_len = rsp_info_len = resid_len =
2275 fw_resid_len = 0;
2276 if (IS_FWI2_CAPABLE(ha)) {
2277 if (scsi_status & SS_SENSE_LEN_VALID)
2278 sense_len = le32_to_cpu(sts24->sense_len);
2279 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2280 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2281 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2282 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2283 if (comp_status == CS_DATA_UNDERRUN)
2284 fw_resid_len = le32_to_cpu(sts24->residual_len);
2285 rsp_info = sts24->data;
2286 sense_data = sts24->data;
2287 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2288 ox_id = le16_to_cpu(sts24->ox_id);
2289 par_sense_len = sizeof(sts24->data);
2290 /* Valid values of the retry delay timer are 0x1-0xffef */
2291 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
2292 retry_delay = sts24->retry_delay;
2293 } else {
2294 if (scsi_status & SS_SENSE_LEN_VALID)
2295 sense_len = le16_to_cpu(sts->req_sense_length);
2296 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2297 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2298 resid_len = le32_to_cpu(sts->residual_length);
2299 rsp_info = sts->rsp_info;
2300 sense_data = sts->req_sense_data;
2301 par_sense_len = sizeof(sts->req_sense_data);
2302 }
2303
2304 /* Check for any FCP transport errors. */
2305 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2306 /* Sense data lies beyond any FCP RESPONSE data. */
2307 if (IS_FWI2_CAPABLE(ha)) {
2308 sense_data += rsp_info_len;
2309 par_sense_len -= rsp_info_len;
2310 }
2311 if (rsp_info_len > 3 && rsp_info[3]) {
2312 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2313 "FCP I/O protocol failure (0x%x/0x%x).\n",
2314 rsp_info_len, rsp_info[3]);
2315
2316 res = DID_BUS_BUSY << 16;
2317 goto out;
2318 }
2319 }
2320
2321 /* Check for overrun. */
2322 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2323 scsi_status & SS_RESIDUAL_OVER)
2324 comp_status = CS_DATA_OVERRUN;
2325
2326 /*
2327 * Check retry_delay_timer value if we receive a busy or
2328 * queue full.
2329 */
2330 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2331 lscsi_status == SAM_STAT_BUSY)
2332 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2333
2334 /*
2335 * Based on Host and scsi status generate status code for Linux
2336 */
2337 switch (comp_status) {
2338 case CS_COMPLETE:
2339 case CS_QUEUE_FULL:
2340 if (scsi_status == 0) {
2341 res = DID_OK << 16;
2342 break;
2343 }
2344 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2345 resid = resid_len;
2346 scsi_set_resid(cp, resid);
2347
2348 if (!lscsi_status &&
2349 ((unsigned)(scsi_bufflen(cp) - resid) <
2350 cp->underflow)) {
2351 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2352 "Mid-layer underflow "
2353 "detected (0x%x of 0x%x bytes).\n",
2354 resid, scsi_bufflen(cp));
2355
2356 res = DID_ERROR << 16;
2357 break;
2358 }
2359 }
2360 res = DID_OK << 16 | lscsi_status;
2361
2362 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2363 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2364 "QUEUE FULL detected.\n");
2365 break;
2366 }
2367 logit = 0;
2368 if (lscsi_status != SS_CHECK_CONDITION)
2369 break;
2370
2371 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2372 if (!(scsi_status & SS_SENSE_LEN_VALID))
2373 break;
2374
2375 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2376 rsp, res);
2377 break;
2378
2379 case CS_DATA_UNDERRUN:
2380 /* Use F/W calculated residual length. */
2381 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2382 scsi_set_resid(cp, resid);
2383 if (scsi_status & SS_RESIDUAL_UNDER) {
2384 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2385 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2386 "Dropped frame(s) detected "
2387 "(0x%x of 0x%x bytes).\n",
2388 resid, scsi_bufflen(cp));
2389
2390 res = DID_ERROR << 16 | lscsi_status;
2391 goto check_scsi_status;
2392 }
2393
2394 if (!lscsi_status &&
2395 ((unsigned)(scsi_bufflen(cp) - resid) <
2396 cp->underflow)) {
2397 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2398 "Mid-layer underflow "
2399 "detected (0x%x of 0x%x bytes).\n",
2400 resid, scsi_bufflen(cp));
2401
2402 res = DID_ERROR << 16;
2403 break;
2404 }
2405 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2406 lscsi_status != SAM_STAT_BUSY) {
2407 /*
2408 * scsi status of task set and busy are considered to be
2409 * task not completed.
2410 */
2411
2412 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2413 "Dropped frame(s) detected (0x%x "
2414 "of 0x%x bytes).\n", resid,
2415 scsi_bufflen(cp));
2416
2417 res = DID_ERROR << 16 | lscsi_status;
2418 goto check_scsi_status;
2419 } else {
2420 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2421 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2422 scsi_status, lscsi_status);
2423 }
2424
2425 res = DID_OK << 16 | lscsi_status;
2426 logit = 0;
2427
2428 check_scsi_status:
2429 /*
2430 * Check to see if SCSI Status is non zero. If so report SCSI
2431 * Status.
2432 */
2433 if (lscsi_status != 0) {
2434 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2435 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2436 "QUEUE FULL detected.\n");
2437 logit = 1;
2438 break;
2439 }
2440 if (lscsi_status != SS_CHECK_CONDITION)
2441 break;
2442
2443 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2444 if (!(scsi_status & SS_SENSE_LEN_VALID))
2445 break;
2446
2447 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2448 sense_len, rsp, res);
2449 }
2450 break;
2451
2452 case CS_PORT_LOGGED_OUT:
2453 no_logout = 1;
2454 case CS_PORT_CONFIG_CHG:
2455 case CS_PORT_BUSY:
2456 case CS_INCOMPLETE:
2457 case CS_PORT_UNAVAILABLE:
2458 case CS_TIMEOUT:
2459 case CS_RESET:
2460
2461 /*
2462 * We are going to have the fc class block the rport
2463 * while we try to recover so instruct the mid layer
2464 * to requeue until the class decides how to handle this.
2465 */
2466 res = DID_TRANSPORT_DISRUPTED << 16;
2467
2468 if (comp_status == CS_TIMEOUT) {
2469 if (IS_FWI2_CAPABLE(ha))
2470 break;
2471 else if ((le16_to_cpu(sts->status_flags) &
2472 SF_LOGOUT_SENT) == 0)
2473 break;
2474 }
2475
2476 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2477 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2478 "Port to be marked lost on fcport=%02x%02x%02x, current "
2479 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2480 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2481 port_state_str[atomic_read(&fcport->state)],
2482 comp_status);
2483
2484 if (no_logout)
2485 fcport->logout_on_delete = 0;
2486
2487 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2488 qlt_schedule_sess_for_deletion_lock(fcport);
2489 }
2490
2491 break;
2492
2493 case CS_ABORTED:
2494 res = DID_RESET << 16;
2495 break;
2496
2497 case CS_DIF_ERROR:
2498 logit = qla2x00_handle_dif_error(sp, sts24);
2499 res = cp->result;
2500 break;
2501
2502 case CS_TRANSPORT:
2503 res = DID_ERROR << 16;
2504
2505 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2506 break;
2507
2508 if (state_flags & BIT_4)
2509 scmd_printk(KERN_WARNING, cp,
2510 "Unsupported device '%s' found.\n",
2511 cp->device->vendor);
2512 break;
2513
2514 default:
2515 res = DID_ERROR << 16;
2516 break;
2517 }
2518
2519 out:
2520 if (logit)
2521 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2522 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2523 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2524 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2525 comp_status, scsi_status, res, vha->host_no,
2526 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2527 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2528 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2529 resid_len, fw_resid_len, sp, cp);
2530
2531 if (rsp->status_srb == NULL)
2532 sp->done(sp, res);
2533 }
2534
2535 /**
2536 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2537 * @ha: SCSI driver HA context
2538 * @pkt: Entry pointer
2539 *
2540 * Extended sense data.
2541 */
2542 static void
2543 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2544 {
2545 uint8_t sense_sz = 0;
2546 struct qla_hw_data *ha = rsp->hw;
2547 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2548 srb_t *sp = rsp->status_srb;
2549 struct scsi_cmnd *cp;
2550 uint32_t sense_len;
2551 uint8_t *sense_ptr;
2552
2553 if (!sp || !GET_CMD_SENSE_LEN(sp))
2554 return;
2555
2556 sense_len = GET_CMD_SENSE_LEN(sp);
2557 sense_ptr = GET_CMD_SENSE_PTR(sp);
2558
2559 cp = GET_CMD_SP(sp);
2560 if (cp == NULL) {
2561 ql_log(ql_log_warn, vha, 0x3025,
2562 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2563
2564 rsp->status_srb = NULL;
2565 return;
2566 }
2567
2568 if (sense_len > sizeof(pkt->data))
2569 sense_sz = sizeof(pkt->data);
2570 else
2571 sense_sz = sense_len;
2572
2573 /* Move sense data. */
2574 if (IS_FWI2_CAPABLE(ha))
2575 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2576 memcpy(sense_ptr, pkt->data, sense_sz);
2577 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2578 sense_ptr, sense_sz);
2579
2580 sense_len -= sense_sz;
2581 sense_ptr += sense_sz;
2582
2583 SET_CMD_SENSE_PTR(sp, sense_ptr);
2584 SET_CMD_SENSE_LEN(sp, sense_len);
2585
2586 /* Place command on done queue. */
2587 if (sense_len == 0) {
2588 rsp->status_srb = NULL;
2589 sp->done(sp, cp->result);
2590 }
2591 }
2592
2593 /**
2594 * qla2x00_error_entry() - Process an error entry.
2595 * @ha: SCSI driver HA context
2596 * @pkt: Entry pointer
2597 */
2598 static void
2599 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2600 {
2601 srb_t *sp;
2602 struct qla_hw_data *ha = vha->hw;
2603 const char func[] = "ERROR-IOCB";
2604 uint16_t que = MSW(pkt->handle);
2605 struct req_que *req = NULL;
2606 int res = DID_ERROR << 16;
2607
2608 ql_dbg(ql_dbg_async, vha, 0x502a,
2609 "type of error status in response: 0x%x\n", pkt->entry_status);
2610
2611 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2612 goto fatal;
2613
2614 req = ha->req_q_map[que];
2615
2616 if (pkt->entry_status & RF_BUSY)
2617 res = DID_BUS_BUSY << 16;
2618
2619 if (pkt->entry_type == NOTIFY_ACK_TYPE &&
2620 pkt->handle == QLA_TGT_SKIP_HANDLE)
2621 return;
2622
2623 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2624 if (sp) {
2625 sp->done(sp, res);
2626 return;
2627 }
2628 fatal:
2629 ql_log(ql_log_warn, vha, 0x5030,
2630 "Error entry - invalid handle/queue (%04x).\n", que);
2631 }
2632
2633 /**
2634 * qla24xx_mbx_completion() - Process mailbox command completions.
2635 * @ha: SCSI driver HA context
2636 * @mb0: Mailbox0 register
2637 */
2638 static void
2639 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2640 {
2641 uint16_t cnt;
2642 uint32_t mboxes;
2643 uint16_t __iomem *wptr;
2644 struct qla_hw_data *ha = vha->hw;
2645 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2646
2647 /* Read all mbox registers? */
2648 mboxes = (1 << ha->mbx_count) - 1;
2649 if (!ha->mcp)
2650 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2651 else
2652 mboxes = ha->mcp->in_mb;
2653
2654 /* Load return mailbox registers. */
2655 ha->flags.mbox_int = 1;
2656 ha->mailbox_out[0] = mb0;
2657 mboxes >>= 1;
2658 wptr = (uint16_t __iomem *)&reg->mailbox1;
2659
2660 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2661 if (mboxes & BIT_0)
2662 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2663
2664 mboxes >>= 1;
2665 wptr++;
2666 }
2667 }
2668
2669 static void
2670 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2671 struct abort_entry_24xx *pkt)
2672 {
2673 const char func[] = "ABT_IOCB";
2674 srb_t *sp;
2675 struct srb_iocb *abt;
2676
2677 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2678 if (!sp)
2679 return;
2680
2681 abt = &sp->u.iocb_cmd;
2682 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle);
2683 sp->done(sp, 0);
2684 }
2685
2686 /**
2687 * qla24xx_process_response_queue() - Process response queue entries.
2688 * @ha: SCSI driver HA context
2689 */
2690 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2691 struct rsp_que *rsp)
2692 {
2693 struct sts_entry_24xx *pkt;
2694 struct qla_hw_data *ha = vha->hw;
2695
2696 if (!vha->flags.online)
2697 return;
2698
2699 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2700 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2701
2702 rsp->ring_index++;
2703 if (rsp->ring_index == rsp->length) {
2704 rsp->ring_index = 0;
2705 rsp->ring_ptr = rsp->ring;
2706 } else {
2707 rsp->ring_ptr++;
2708 }
2709
2710 if (pkt->entry_status != 0) {
2711 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
2712
2713 if (qlt_24xx_process_response_error(vha, pkt))
2714 goto process_err;
2715
2716 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2717 wmb();
2718 continue;
2719 }
2720 process_err:
2721
2722 switch (pkt->entry_type) {
2723 case STATUS_TYPE:
2724 qla2x00_status_entry(vha, rsp, pkt);
2725 break;
2726 case STATUS_CONT_TYPE:
2727 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2728 break;
2729 case VP_RPT_ID_IOCB_TYPE:
2730 qla24xx_report_id_acquisition(vha,
2731 (struct vp_rpt_id_entry_24xx *)pkt);
2732 break;
2733 case LOGINOUT_PORT_IOCB_TYPE:
2734 qla24xx_logio_entry(vha, rsp->req,
2735 (struct logio_entry_24xx *)pkt);
2736 break;
2737 case CT_IOCB_TYPE:
2738 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2739 break;
2740 case ELS_IOCB_TYPE:
2741 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2742 break;
2743 case ABTS_RECV_24XX:
2744 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2745 /* ensure that the ATIO queue is empty */
2746 qlt_handle_abts_recv(vha, (response_t *)pkt);
2747 break;
2748 } else {
2749 /* drop through */
2750 qlt_24xx_process_atio_queue(vha, 1);
2751 }
2752 case ABTS_RESP_24XX:
2753 case CTIO_TYPE7:
2754 case CTIO_CRC2:
2755 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2756 break;
2757 case NOTIFY_ACK_TYPE:
2758 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
2759 qlt_response_pkt_all_vps(vha, (response_t *)pkt);
2760 else
2761 qla24xxx_nack_iocb_entry(vha, rsp->req,
2762 (struct nack_to_isp *)pkt);
2763 break;
2764 case MARKER_TYPE:
2765 /* Do nothing in this case, this check is to prevent it
2766 * from falling into default case
2767 */
2768 break;
2769 case ABORT_IOCB_TYPE:
2770 qla24xx_abort_iocb_entry(vha, rsp->req,
2771 (struct abort_entry_24xx *)pkt);
2772 break;
2773 case MBX_IOCB_TYPE:
2774 qla24xx_mbx_iocb_entry(vha, rsp->req,
2775 (struct mbx_24xx_entry *)pkt);
2776 break;
2777 default:
2778 /* Type Not Supported. */
2779 ql_dbg(ql_dbg_async, vha, 0x5042,
2780 "Received unknown response pkt type %x "
2781 "entry status=%x.\n",
2782 pkt->entry_type, pkt->entry_status);
2783 break;
2784 }
2785 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2786 wmb();
2787 }
2788
2789 /* Adjust ring index */
2790 if (IS_P3P_TYPE(ha)) {
2791 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
2792 WRT_REG_DWORD(&reg->rsp_q_out[0], rsp->ring_index);
2793 } else {
2794 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2795 }
2796 }
2797
2798 static void
2799 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
2800 {
2801 int rval;
2802 uint32_t cnt;
2803 struct qla_hw_data *ha = vha->hw;
2804 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2805
2806 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2807 !IS_QLA27XX(ha))
2808 return;
2809
2810 rval = QLA_SUCCESS;
2811 WRT_REG_DWORD(&reg->iobase_addr, 0x7C00);
2812 RD_REG_DWORD(&reg->iobase_addr);
2813 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2814 for (cnt = 10000; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2815 rval == QLA_SUCCESS; cnt--) {
2816 if (cnt) {
2817 WRT_REG_DWORD(&reg->iobase_window, 0x0001);
2818 udelay(10);
2819 } else
2820 rval = QLA_FUNCTION_TIMEOUT;
2821 }
2822 if (rval == QLA_SUCCESS)
2823 goto next_test;
2824
2825 rval = QLA_SUCCESS;
2826 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2827 for (cnt = 100; (RD_REG_DWORD(&reg->iobase_window) & BIT_0) == 0 &&
2828 rval == QLA_SUCCESS; cnt--) {
2829 if (cnt) {
2830 WRT_REG_DWORD(&reg->iobase_window, 0x0003);
2831 udelay(10);
2832 } else
2833 rval = QLA_FUNCTION_TIMEOUT;
2834 }
2835 if (rval != QLA_SUCCESS)
2836 goto done;
2837
2838 next_test:
2839 if (RD_REG_DWORD(&reg->iobase_c8) & BIT_3)
2840 ql_log(ql_log_info, vha, 0x504c,
2841 "Additional code -- 0x55AA.\n");
2842
2843 done:
2844 WRT_REG_DWORD(&reg->iobase_window, 0x0000);
2845 RD_REG_DWORD(&reg->iobase_window);
2846 }
2847
2848 /**
2849 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
2850 * @irq:
2851 * @dev_id: SCSI driver HA context
2852 *
2853 * Called by system whenever the host adapter generates an interrupt.
2854 *
2855 * Returns handled flag.
2856 */
2857 irqreturn_t
2858 qla24xx_intr_handler(int irq, void *dev_id)
2859 {
2860 scsi_qla_host_t *vha;
2861 struct qla_hw_data *ha;
2862 struct device_reg_24xx __iomem *reg;
2863 int status;
2864 unsigned long iter;
2865 uint32_t stat;
2866 uint32_t hccr;
2867 uint16_t mb[8];
2868 struct rsp_que *rsp;
2869 unsigned long flags;
2870
2871 rsp = (struct rsp_que *) dev_id;
2872 if (!rsp) {
2873 ql_log(ql_log_info, NULL, 0x5059,
2874 "%s: NULL response queue pointer.\n", __func__);
2875 return IRQ_NONE;
2876 }
2877
2878 ha = rsp->hw;
2879 reg = &ha->iobase->isp24;
2880 status = 0;
2881
2882 if (unlikely(pci_channel_offline(ha->pdev)))
2883 return IRQ_HANDLED;
2884
2885 spin_lock_irqsave(&ha->hardware_lock, flags);
2886 vha = pci_get_drvdata(ha->pdev);
2887 for (iter = 50; iter--; ) {
2888 stat = RD_REG_DWORD(&reg->host_status);
2889 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2890 break;
2891 if (stat & HSRX_RISC_PAUSED) {
2892 if (unlikely(pci_channel_offline(ha->pdev)))
2893 break;
2894
2895 hccr = RD_REG_DWORD(&reg->hccr);
2896
2897 ql_log(ql_log_warn, vha, 0x504b,
2898 "RISC paused -- HCCR=%x, Dumping firmware.\n",
2899 hccr);
2900
2901 qla2xxx_check_risc_status(vha);
2902
2903 ha->isp_ops->fw_dump(vha, 1);
2904 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2905 break;
2906 } else if ((stat & HSRX_RISC_INT) == 0)
2907 break;
2908
2909 switch (stat & 0xff) {
2910 case INTR_ROM_MB_SUCCESS:
2911 case INTR_ROM_MB_FAILED:
2912 case INTR_MB_SUCCESS:
2913 case INTR_MB_FAILED:
2914 qla24xx_mbx_completion(vha, MSW(stat));
2915 status |= MBX_INTERRUPT;
2916
2917 break;
2918 case INTR_ASYNC_EVENT:
2919 mb[0] = MSW(stat);
2920 mb[1] = RD_REG_WORD(&reg->mailbox1);
2921 mb[2] = RD_REG_WORD(&reg->mailbox2);
2922 mb[3] = RD_REG_WORD(&reg->mailbox3);
2923 qla2x00_async_event(vha, rsp, mb);
2924 break;
2925 case INTR_RSP_QUE_UPDATE:
2926 case INTR_RSP_QUE_UPDATE_83XX:
2927 qla24xx_process_response_queue(vha, rsp);
2928 break;
2929 case INTR_ATIO_QUE_UPDATE:{
2930 unsigned long flags2;
2931 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2932 qlt_24xx_process_atio_queue(vha, 1);
2933 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2934 break;
2935 }
2936 case INTR_ATIO_RSP_QUE_UPDATE: {
2937 unsigned long flags2;
2938 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
2939 qlt_24xx_process_atio_queue(vha, 1);
2940 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
2941
2942 qla24xx_process_response_queue(vha, rsp);
2943 break;
2944 }
2945 default:
2946 ql_dbg(ql_dbg_async, vha, 0x504f,
2947 "Unrecognized interrupt type (%d).\n", stat * 0xff);
2948 break;
2949 }
2950 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2951 RD_REG_DWORD_RELAXED(&reg->hccr);
2952 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
2953 ndelay(3500);
2954 }
2955 qla2x00_handle_mbx_completion(ha, status);
2956 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2957
2958 return IRQ_HANDLED;
2959 }
2960
2961 static irqreturn_t
2962 qla24xx_msix_rsp_q(int irq, void *dev_id)
2963 {
2964 struct qla_hw_data *ha;
2965 struct rsp_que *rsp;
2966 struct device_reg_24xx __iomem *reg;
2967 struct scsi_qla_host *vha;
2968 unsigned long flags;
2969 uint32_t stat = 0;
2970
2971 rsp = (struct rsp_que *) dev_id;
2972 if (!rsp) {
2973 ql_log(ql_log_info, NULL, 0x505a,
2974 "%s: NULL response queue pointer.\n", __func__);
2975 return IRQ_NONE;
2976 }
2977 ha = rsp->hw;
2978 reg = &ha->iobase->isp24;
2979
2980 spin_lock_irqsave(&ha->hardware_lock, flags);
2981
2982 vha = pci_get_drvdata(ha->pdev);
2983 /*
2984 * Use host_status register to check to PCI disconnection before we
2985 * we process the response queue.
2986 */
2987 stat = RD_REG_DWORD(&reg->host_status);
2988 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2989 goto out;
2990 qla24xx_process_response_queue(vha, rsp);
2991 if (!ha->flags.disable_msix_handshake) {
2992 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
2993 RD_REG_DWORD_RELAXED(&reg->hccr);
2994 }
2995 out:
2996 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2997
2998 return IRQ_HANDLED;
2999 }
3000
3001 static irqreturn_t
3002 qla24xx_msix_default(int irq, void *dev_id)
3003 {
3004 scsi_qla_host_t *vha;
3005 struct qla_hw_data *ha;
3006 struct rsp_que *rsp;
3007 struct device_reg_24xx __iomem *reg;
3008 int status;
3009 uint32_t stat;
3010 uint32_t hccr;
3011 uint16_t mb[8];
3012 unsigned long flags;
3013
3014 rsp = (struct rsp_que *) dev_id;
3015 if (!rsp) {
3016 ql_log(ql_log_info, NULL, 0x505c,
3017 "%s: NULL response queue pointer.\n", __func__);
3018 return IRQ_NONE;
3019 }
3020 ha = rsp->hw;
3021 reg = &ha->iobase->isp24;
3022 status = 0;
3023
3024 spin_lock_irqsave(&ha->hardware_lock, flags);
3025 vha = pci_get_drvdata(ha->pdev);
3026 do {
3027 stat = RD_REG_DWORD(&reg->host_status);
3028 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3029 break;
3030 if (stat & HSRX_RISC_PAUSED) {
3031 if (unlikely(pci_channel_offline(ha->pdev)))
3032 break;
3033
3034 hccr = RD_REG_DWORD(&reg->hccr);
3035
3036 ql_log(ql_log_info, vha, 0x5050,
3037 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3038 hccr);
3039
3040 qla2xxx_check_risc_status(vha);
3041
3042 ha->isp_ops->fw_dump(vha, 1);
3043 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3044 break;
3045 } else if ((stat & HSRX_RISC_INT) == 0)
3046 break;
3047
3048 switch (stat & 0xff) {
3049 case INTR_ROM_MB_SUCCESS:
3050 case INTR_ROM_MB_FAILED:
3051 case INTR_MB_SUCCESS:
3052 case INTR_MB_FAILED:
3053 qla24xx_mbx_completion(vha, MSW(stat));
3054 status |= MBX_INTERRUPT;
3055
3056 break;
3057 case INTR_ASYNC_EVENT:
3058 mb[0] = MSW(stat);
3059 mb[1] = RD_REG_WORD(&reg->mailbox1);
3060 mb[2] = RD_REG_WORD(&reg->mailbox2);
3061 mb[3] = RD_REG_WORD(&reg->mailbox3);
3062 qla2x00_async_event(vha, rsp, mb);
3063 break;
3064 case INTR_RSP_QUE_UPDATE:
3065 case INTR_RSP_QUE_UPDATE_83XX:
3066 qla24xx_process_response_queue(vha, rsp);
3067 break;
3068 case INTR_ATIO_QUE_UPDATE:{
3069 unsigned long flags2;
3070 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3071 qlt_24xx_process_atio_queue(vha, 1);
3072 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3073 break;
3074 }
3075 case INTR_ATIO_RSP_QUE_UPDATE: {
3076 unsigned long flags2;
3077 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3078 qlt_24xx_process_atio_queue(vha, 1);
3079 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3080
3081 qla24xx_process_response_queue(vha, rsp);
3082 break;
3083 }
3084 default:
3085 ql_dbg(ql_dbg_async, vha, 0x5051,
3086 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3087 break;
3088 }
3089 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3090 } while (0);
3091 qla2x00_handle_mbx_completion(ha, status);
3092 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3093
3094 return IRQ_HANDLED;
3095 }
3096
3097 irqreturn_t
3098 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3099 {
3100 struct qla_hw_data *ha;
3101 struct qla_qpair *qpair;
3102 struct device_reg_24xx __iomem *reg;
3103 unsigned long flags;
3104
3105 qpair = dev_id;
3106 if (!qpair) {
3107 ql_log(ql_log_info, NULL, 0x505b,
3108 "%s: NULL response queue pointer.\n", __func__);
3109 return IRQ_NONE;
3110 }
3111 ha = qpair->hw;
3112
3113 /* Clear the interrupt, if enabled, for this response queue */
3114 if (unlikely(!ha->flags.disable_msix_handshake)) {
3115 reg = &ha->iobase->isp24;
3116 spin_lock_irqsave(&ha->hardware_lock, flags);
3117 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
3118 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3119 }
3120
3121 queue_work(ha->wq, &qpair->q_work);
3122
3123 return IRQ_HANDLED;
3124 }
3125
3126 /* Interrupt handling helpers. */
3127
3128 struct qla_init_msix_entry {
3129 const char *name;
3130 irq_handler_t handler;
3131 };
3132
3133 static const struct qla_init_msix_entry msix_entries[] = {
3134 { "qla2xxx (default)", qla24xx_msix_default },
3135 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
3136 { "qla2xxx (atio_q)", qla83xx_msix_atio_q },
3137 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q },
3138 };
3139
3140 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3141 { "qla2xxx (default)", qla82xx_msix_default },
3142 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3143 };
3144
3145 static int
3146 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3147 {
3148 int i, ret;
3149 struct qla_msix_entry *qentry;
3150 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3151 int min_vecs = QLA_BASE_VECTORS;
3152 struct irq_affinity desc = {
3153 .pre_vectors = QLA_BASE_VECTORS,
3154 };
3155
3156 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3157 desc.pre_vectors++;
3158 min_vecs++;
3159 }
3160
3161 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3162 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3163 &desc);
3164
3165 if (ret < 0) {
3166 ql_log(ql_log_fatal, vha, 0x00c7,
3167 "MSI-X: Failed to enable support, "
3168 "giving up -- %d/%d.\n",
3169 ha->msix_count, ret);
3170 goto msix_out;
3171 } else if (ret < ha->msix_count) {
3172 ql_log(ql_log_warn, vha, 0x00c6,
3173 "MSI-X: Failed to enable support "
3174 "with %d vectors, using %d vectors.\n",
3175 ha->msix_count, ret);
3176 ha->msix_count = ret;
3177 /* Recalculate queue values */
3178 if (ha->mqiobase && ql2xmqsupport) {
3179 ha->max_req_queues = ha->msix_count - 1;
3180
3181 /* ATIOQ needs 1 vector. That's 1 less QPair */
3182 if (QLA_TGT_MODE_ENABLED())
3183 ha->max_req_queues--;
3184
3185 ha->max_rsp_queues = ha->max_req_queues;
3186
3187 ha->max_qpairs = ha->max_req_queues - 1;
3188 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3189 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3190 }
3191 }
3192 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3193 ha->msix_count, GFP_KERNEL);
3194 if (!ha->msix_entries) {
3195 ql_log(ql_log_fatal, vha, 0x00c8,
3196 "Failed to allocate memory for ha->msix_entries.\n");
3197 ret = -ENOMEM;
3198 goto msix_out;
3199 }
3200 ha->flags.msix_enabled = 1;
3201
3202 for (i = 0; i < ha->msix_count; i++) {
3203 qentry = &ha->msix_entries[i];
3204 qentry->vector = pci_irq_vector(ha->pdev, i);
3205 qentry->entry = i;
3206 qentry->have_irq = 0;
3207 qentry->in_use = 0;
3208 qentry->handle = NULL;
3209 }
3210
3211 /* Enable MSI-X vectors for the base queue */
3212 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3213 qentry = &ha->msix_entries[i];
3214 qentry->handle = rsp;
3215 rsp->msix = qentry;
3216 scnprintf(qentry->name, sizeof(qentry->name),
3217 "%s", msix_entries[i].name);
3218 if (IS_P3P_TYPE(ha))
3219 ret = request_irq(qentry->vector,
3220 qla82xx_msix_entries[i].handler,
3221 0, qla82xx_msix_entries[i].name, rsp);
3222 else
3223 ret = request_irq(qentry->vector,
3224 msix_entries[i].handler,
3225 0, msix_entries[i].name, rsp);
3226 if (ret)
3227 goto msix_register_fail;
3228 qentry->have_irq = 1;
3229 qentry->in_use = 1;
3230 }
3231
3232 /*
3233 * If target mode is enable, also request the vector for the ATIO
3234 * queue.
3235 */
3236 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3237 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3238 rsp->msix = qentry;
3239 qentry->handle = rsp;
3240 scnprintf(qentry->name, sizeof(qentry->name),
3241 "%s", msix_entries[QLA_ATIO_VECTOR].name);
3242 qentry->in_use = 1;
3243 ret = request_irq(qentry->vector,
3244 msix_entries[QLA_ATIO_VECTOR].handler,
3245 0, msix_entries[QLA_ATIO_VECTOR].name, rsp);
3246 qentry->have_irq = 1;
3247 }
3248
3249 msix_register_fail:
3250 if (ret) {
3251 ql_log(ql_log_fatal, vha, 0x00cb,
3252 "MSI-X: unable to register handler -- %x/%d.\n",
3253 qentry->vector, ret);
3254 qla2x00_free_irqs(vha);
3255 ha->mqenable = 0;
3256 goto msix_out;
3257 }
3258
3259 /* Enable MSI-X vector for response queue update for queue 0 */
3260 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3261 if (ha->msixbase && ha->mqiobase &&
3262 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3263 ql2xmqsupport))
3264 ha->mqenable = 1;
3265 } else
3266 if (ha->mqiobase &&
3267 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3268 ql2xmqsupport))
3269 ha->mqenable = 1;
3270 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3271 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3272 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3273 ql_dbg(ql_dbg_init, vha, 0x0055,
3274 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3275 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3276
3277 msix_out:
3278 return ret;
3279 }
3280
3281 int
3282 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3283 {
3284 int ret = QLA_FUNCTION_FAILED;
3285 device_reg_t *reg = ha->iobase;
3286 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3287
3288 /* If possible, enable MSI-X. */
3289 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3290 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3291 !IS_QLA27XX(ha))
3292 goto skip_msi;
3293
3294 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3295 (ha->pdev->subsystem_device == 0x7040 ||
3296 ha->pdev->subsystem_device == 0x7041 ||
3297 ha->pdev->subsystem_device == 0x1705)) {
3298 ql_log(ql_log_warn, vha, 0x0034,
3299 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3300 ha->pdev->subsystem_vendor,
3301 ha->pdev->subsystem_device);
3302 goto skip_msi;
3303 }
3304
3305 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3306 ql_log(ql_log_warn, vha, 0x0035,
3307 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3308 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3309 goto skip_msix;
3310 }
3311
3312 ret = qla24xx_enable_msix(ha, rsp);
3313 if (!ret) {
3314 ql_dbg(ql_dbg_init, vha, 0x0036,
3315 "MSI-X: Enabled (0x%X, 0x%X).\n",
3316 ha->chip_revision, ha->fw_attributes);
3317 goto clear_risc_ints;
3318 }
3319
3320 skip_msix:
3321
3322 ql_log(ql_log_info, vha, 0x0037,
3323 "Falling back-to MSI mode -%d.\n", ret);
3324
3325 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3326 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3327 !IS_QLA27XX(ha))
3328 goto skip_msi;
3329
3330 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3331 if (!ret) {
3332 ql_dbg(ql_dbg_init, vha, 0x0038,
3333 "MSI: Enabled.\n");
3334 ha->flags.msi_enabled = 1;
3335 } else
3336 ql_log(ql_log_warn, vha, 0x0039,
3337 "Falling back-to INTa mode -- %d.\n", ret);
3338 skip_msi:
3339
3340 /* Skip INTx on ISP82xx. */
3341 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3342 return QLA_FUNCTION_FAILED;
3343
3344 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3345 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3346 QLA2XXX_DRIVER_NAME, rsp);
3347 if (ret) {
3348 ql_log(ql_log_warn, vha, 0x003a,
3349 "Failed to reserve interrupt %d already in use.\n",
3350 ha->pdev->irq);
3351 goto fail;
3352 } else if (!ha->flags.msi_enabled) {
3353 ql_dbg(ql_dbg_init, vha, 0x0125,
3354 "INTa mode: Enabled.\n");
3355 ha->flags.mr_intr_valid = 1;
3356 }
3357
3358 clear_risc_ints:
3359 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3360 goto fail;
3361
3362 spin_lock_irq(&ha->hardware_lock);
3363 WRT_REG_WORD(&reg->isp.semaphore, 0);
3364 spin_unlock_irq(&ha->hardware_lock);
3365
3366 fail:
3367 return ret;
3368 }
3369
3370 void
3371 qla2x00_free_irqs(scsi_qla_host_t *vha)
3372 {
3373 struct qla_hw_data *ha = vha->hw;
3374 struct rsp_que *rsp;
3375 struct qla_msix_entry *qentry;
3376 int i;
3377
3378 /*
3379 * We need to check that ha->rsp_q_map is valid in case we are called
3380 * from a probe failure context.
3381 */
3382 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3383 goto free_irqs;
3384 rsp = ha->rsp_q_map[0];
3385
3386 if (ha->flags.msix_enabled) {
3387 for (i = 0; i < ha->msix_count; i++) {
3388 qentry = &ha->msix_entries[i];
3389 if (qentry->have_irq) {
3390 irq_set_affinity_notifier(qentry->vector, NULL);
3391 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3392 }
3393 }
3394 kfree(ha->msix_entries);
3395 ha->msix_entries = NULL;
3396 ha->flags.msix_enabled = 0;
3397 ql_dbg(ql_dbg_init, vha, 0x0042,
3398 "Disabled MSI-X.\n");
3399 } else {
3400 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3401 }
3402
3403 free_irqs:
3404 pci_free_irq_vectors(ha->pdev);
3405 }
3406
3407 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3408 struct qla_msix_entry *msix, int vector_type)
3409 {
3410 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3411 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3412 int ret;
3413
3414 scnprintf(msix->name, sizeof(msix->name),
3415 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3416 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3417 if (ret) {
3418 ql_log(ql_log_fatal, vha, 0x00e6,
3419 "MSI-X: Unable to register handler -- %x/%d.\n",
3420 msix->vector, ret);
3421 return ret;
3422 }
3423 msix->have_irq = 1;
3424 msix->handle = qpair;
3425 return ret;
3426 }
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