1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include "qla_target.h"
9
10 #include <linux/delay.h>
11 #include <linux/slab.h>
12 #include <linux/cpu.h>
13 #include <linux/t10-pi.h>
14 #include <scsi/scsi_tcq.h>
15 #include <scsi/scsi_bsg_fc.h>
16 #include <scsi/scsi_eh.h>
17 #include <scsi/fc/fc_fs.h>
18 #include <linux/nvme-fc-driver.h>
19
20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
24 sts_entry_t *);
25
26 /**
27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
28 * @irq:
29 * @dev_id: SCSI driver HA context
30 *
31 * Called by system whenever the host adapter generates an interrupt.
32 *
33 * Returns handled flag.
34 */
35 irqreturn_t
qla2100_intr_handler(int irq,void * dev_id)36 qla2100_intr_handler(int irq, void *dev_id)
37 {
38 scsi_qla_host_t *vha;
39 struct qla_hw_data *ha;
40 struct device_reg_2xxx __iomem *reg;
41 int status;
42 unsigned long iter;
43 uint16_t hccr;
44 uint16_t mb[4];
45 struct rsp_que *rsp;
46 unsigned long flags;
47
48 rsp = (struct rsp_que *) dev_id;
49 if (!rsp) {
50 ql_log(ql_log_info, NULL, 0x505d,
51 "%s: NULL response queue pointer.\n", __func__);
52 return (IRQ_NONE);
53 }
54
55 ha = rsp->hw;
56 reg = &ha->iobase->isp;
57 status = 0;
58
59 spin_lock_irqsave(&ha->hardware_lock, flags);
60 vha = pci_get_drvdata(ha->pdev);
61 for (iter = 50; iter--; ) {
62 hccr = RD_REG_WORD(®->hccr);
63 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
64 break;
65 if (hccr & HCCR_RISC_PAUSE) {
66 if (pci_channel_offline(ha->pdev))
67 break;
68
69 /*
70 * Issue a "HARD" reset in order for the RISC interrupt
71 * bit to be cleared. Schedule a big hammer to get
72 * out of the RISC PAUSED state.
73 */
74 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
75 RD_REG_WORD(®->hccr);
76
77 ha->isp_ops->fw_dump(vha, 1);
78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
79 break;
80 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
81 break;
82
83 if (RD_REG_WORD(®->semaphore) & BIT_0) {
84 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
85 RD_REG_WORD(®->hccr);
86
87 /* Get mailbox data. */
88 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
89 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
90 qla2x00_mbx_completion(vha, mb[0]);
91 status |= MBX_INTERRUPT;
92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
93 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
94 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
95 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
96 qla2x00_async_event(vha, rsp, mb);
97 } else {
98 /*EMPTY*/
99 ql_dbg(ql_dbg_async, vha, 0x5025,
100 "Unrecognized interrupt type (%d).\n",
101 mb[0]);
102 }
103 /* Release mailbox registers. */
104 WRT_REG_WORD(®->semaphore, 0);
105 RD_REG_WORD(®->semaphore);
106 } else {
107 qla2x00_process_response_queue(rsp);
108
109 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
110 RD_REG_WORD(®->hccr);
111 }
112 }
113 qla2x00_handle_mbx_completion(ha, status);
114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
115
116 return (IRQ_HANDLED);
117 }
118
119 bool
qla2x00_check_reg32_for_disconnect(scsi_qla_host_t * vha,uint32_t reg)120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
121 {
122 /* Check for PCI disconnection */
123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
127 /*
128 * Schedule this (only once) on the default system
129 * workqueue so that all the adapter workqueues and the
130 * DPC thread can be shutdown cleanly.
131 */
132 schedule_work(&vha->hw->board_disable);
133 }
134 return true;
135 } else
136 return false;
137 }
138
139 bool
qla2x00_check_reg16_for_disconnect(scsi_qla_host_t * vha,uint16_t reg)140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
141 {
142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
143 }
144
145 /**
146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
147 * @irq:
148 * @dev_id: SCSI driver HA context
149 *
150 * Called by system whenever the host adapter generates an interrupt.
151 *
152 * Returns handled flag.
153 */
154 irqreturn_t
qla2300_intr_handler(int irq,void * dev_id)155 qla2300_intr_handler(int irq, void *dev_id)
156 {
157 scsi_qla_host_t *vha;
158 struct device_reg_2xxx __iomem *reg;
159 int status;
160 unsigned long iter;
161 uint32_t stat;
162 uint16_t hccr;
163 uint16_t mb[4];
164 struct rsp_que *rsp;
165 struct qla_hw_data *ha;
166 unsigned long flags;
167
168 rsp = (struct rsp_que *) dev_id;
169 if (!rsp) {
170 ql_log(ql_log_info, NULL, 0x5058,
171 "%s: NULL response queue pointer.\n", __func__);
172 return (IRQ_NONE);
173 }
174
175 ha = rsp->hw;
176 reg = &ha->iobase->isp;
177 status = 0;
178
179 spin_lock_irqsave(&ha->hardware_lock, flags);
180 vha = pci_get_drvdata(ha->pdev);
181 for (iter = 50; iter--; ) {
182 stat = RD_REG_DWORD(®->u.isp2300.host_status);
183 if (qla2x00_check_reg32_for_disconnect(vha, stat))
184 break;
185 if (stat & HSR_RISC_PAUSED) {
186 if (unlikely(pci_channel_offline(ha->pdev)))
187 break;
188
189 hccr = RD_REG_WORD(®->hccr);
190
191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
192 ql_log(ql_log_warn, vha, 0x5026,
193 "Parity error -- HCCR=%x, Dumping "
194 "firmware.\n", hccr);
195 else
196 ql_log(ql_log_warn, vha, 0x5027,
197 "RISC paused -- HCCR=%x, Dumping "
198 "firmware.\n", hccr);
199
200 /*
201 * Issue a "HARD" reset in order for the RISC
202 * interrupt bit to be cleared. Schedule a big
203 * hammer to get out of the RISC PAUSED state.
204 */
205 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
206 RD_REG_WORD(®->hccr);
207
208 ha->isp_ops->fw_dump(vha, 1);
209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
210 break;
211 } else if ((stat & HSR_RISC_INT) == 0)
212 break;
213
214 switch (stat & 0xff) {
215 case 0x1:
216 case 0x2:
217 case 0x10:
218 case 0x11:
219 qla2x00_mbx_completion(vha, MSW(stat));
220 status |= MBX_INTERRUPT;
221
222 /* Release mailbox registers. */
223 WRT_REG_WORD(®->semaphore, 0);
224 break;
225 case 0x12:
226 mb[0] = MSW(stat);
227 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
228 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
229 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
230 qla2x00_async_event(vha, rsp, mb);
231 break;
232 case 0x13:
233 qla2x00_process_response_queue(rsp);
234 break;
235 case 0x15:
236 mb[0] = MBA_CMPLT_1_16BIT;
237 mb[1] = MSW(stat);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x16:
241 mb[0] = MBA_SCSI_COMPLETION;
242 mb[1] = MSW(stat);
243 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
244 qla2x00_async_event(vha, rsp, mb);
245 break;
246 default:
247 ql_dbg(ql_dbg_async, vha, 0x5028,
248 "Unrecognized interrupt type (%d).\n", stat & 0xff);
249 break;
250 }
251 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
252 RD_REG_WORD_RELAXED(®->hccr);
253 }
254 qla2x00_handle_mbx_completion(ha, status);
255 spin_unlock_irqrestore(&ha->hardware_lock, flags);
256
257 return (IRQ_HANDLED);
258 }
259
260 /**
261 * qla2x00_mbx_completion() - Process mailbox command completions.
262 * @ha: SCSI driver HA context
263 * @mb0: Mailbox0 register
264 */
265 static void
qla2x00_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
267 {
268 uint16_t cnt;
269 uint32_t mboxes;
270 uint16_t __iomem *wptr;
271 struct qla_hw_data *ha = vha->hw;
272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
273
274 /* Read all mbox registers? */
275 WARN_ON_ONCE(ha->mbx_count > 32);
276 mboxes = (1ULL << ha->mbx_count) - 1;
277 if (!ha->mcp)
278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
279 else
280 mboxes = ha->mcp->in_mb;
281
282 /* Load return mailbox registers. */
283 ha->flags.mbox_int = 1;
284 ha->mailbox_out[0] = mb0;
285 mboxes >>= 1;
286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
287
288 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
289 if (IS_QLA2200(ha) && cnt == 8)
290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
293 else if (mboxes & BIT_0)
294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
295
296 wptr++;
297 mboxes >>= 1;
298 }
299 }
300
301 static void
qla81xx_idc_event(scsi_qla_host_t * vha,uint16_t aen,uint16_t descr)302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
303 {
304 static char *event[] =
305 { "Complete", "Request Notification", "Time Extension" };
306 int rval;
307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
309 uint16_t __iomem *wptr;
310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
311
312 /* Seed data -- mailbox1 -> mailbox7. */
313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
314 wptr = (uint16_t __iomem *)®24->mailbox1;
315 else if (IS_QLA8044(vha->hw))
316 wptr = (uint16_t __iomem *)®82->mailbox_out[1];
317 else
318 return;
319
320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
321 mb[cnt] = RD_REG_WORD(wptr);
322
323 ql_dbg(ql_dbg_async, vha, 0x5021,
324 "Inter-Driver Communication %s -- "
325 "%04x %04x %04x %04x %04x %04x %04x.\n",
326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
327 mb[4], mb[5], mb[6]);
328 switch (aen) {
329 /* Handle IDC Error completion case. */
330 case MBA_IDC_COMPLETE:
331 if (mb[1] >> 15) {
332 vha->hw->flags.idc_compl_status = 1;
333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
334 complete(&vha->hw->dcbx_comp);
335 }
336 break;
337
338 case MBA_IDC_NOTIFY:
339 /* Acknowledgement needed? [Notify && non-zero timeout]. */
340 timeout = (descr >> 8) & 0xf;
341 ql_dbg(ql_dbg_async, vha, 0x5022,
342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
343 vha->host_no, event[aen & 0xff], timeout);
344
345 if (!timeout)
346 return;
347 rval = qla2x00_post_idc_ack_work(vha, mb);
348 if (rval != QLA_SUCCESS)
349 ql_log(ql_log_warn, vha, 0x5023,
350 "IDC failed to post ACK.\n");
351 break;
352 case MBA_IDC_TIME_EXT:
353 vha->hw->idc_extend_tmo = descr;
354 ql_dbg(ql_dbg_async, vha, 0x5087,
355 "%lu Inter-Driver Communication %s -- "
356 "Extend timeout by=%d.\n",
357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
358 break;
359 }
360 }
361
362 #define LS_UNKNOWN 2
363 const char *
qla2x00_get_link_speed_str(struct qla_hw_data * ha,uint16_t speed)364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
365 {
366 static const char *const link_speeds[] = {
367 "1", "2", "?", "4", "8", "16", "32", "10"
368 };
369 #define QLA_LAST_SPEED 7
370
371 if (IS_QLA2100(ha) || IS_QLA2200(ha))
372 return link_speeds[0];
373 else if (speed == 0x13)
374 return link_speeds[QLA_LAST_SPEED];
375 else if (speed < QLA_LAST_SPEED)
376 return link_speeds[speed];
377 else
378 return link_speeds[LS_UNKNOWN];
379 }
380
381 static void
qla83xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
383 {
384 struct qla_hw_data *ha = vha->hw;
385
386 /*
387 * 8200 AEN Interpretation:
388 * mb[0] = AEN code
389 * mb[1] = AEN Reason code
390 * mb[2] = LSW of Peg-Halt Status-1 Register
391 * mb[6] = MSW of Peg-Halt Status-1 Register
392 * mb[3] = LSW of Peg-Halt Status-2 register
393 * mb[7] = MSW of Peg-Halt Status-2 register
394 * mb[4] = IDC Device-State Register value
395 * mb[5] = IDC Driver-Presence Register value
396 */
397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
399 mb[0], mb[1], mb[2], mb[6]);
400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
403
404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
405 IDC_HEARTBEAT_FAILURE)) {
406 ha->flags.nic_core_hung = 1;
407 ql_log(ql_log_warn, vha, 0x5060,
408 "83XX: F/W Error Reported: Check if reset required.\n");
409
410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
411 uint32_t protocol_engine_id, fw_err_code, err_level;
412
413 /*
414 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
415 * - PEG-Halt Status-1 Register:
416 * (LSW = mb[2], MSW = mb[6])
417 * Bits 0-7 = protocol-engine ID
418 * Bits 8-28 = f/w error code
419 * Bits 29-31 = Error-level
420 * Error-level 0x1 = Non-Fatal error
421 * Error-level 0x2 = Recoverable Fatal error
422 * Error-level 0x4 = UnRecoverable Fatal error
423 * - PEG-Halt Status-2 Register:
424 * (LSW = mb[3], MSW = mb[7])
425 */
426 protocol_engine_id = (mb[2] & 0xff);
427 fw_err_code = (((mb[2] & 0xff00) >> 8) |
428 ((mb[6] & 0x1fff) << 8));
429 err_level = ((mb[6] & 0xe000) >> 13);
430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
431 "Register: protocol_engine_id=0x%x "
432 "fw_err_code=0x%x err_level=0x%x.\n",
433 protocol_engine_id, fw_err_code, err_level);
434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
435 "Register: 0x%x%x.\n", mb[7], mb[3]);
436 if (err_level == ERR_LEVEL_NON_FATAL) {
437 ql_log(ql_log_warn, vha, 0x5063,
438 "Not a fatal error, f/w has recovered itself.\n");
439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
440 ql_log(ql_log_fatal, vha, 0x5064,
441 "Recoverable Fatal error: Chip reset "
442 "required.\n");
443 qla83xx_schedule_work(vha,
444 QLA83XX_NIC_CORE_RESET);
445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
446 ql_log(ql_log_fatal, vha, 0x5065,
447 "Unrecoverable Fatal error: Set FAILED "
448 "state, reboot required.\n");
449 qla83xx_schedule_work(vha,
450 QLA83XX_NIC_CORE_UNRECOVERABLE);
451 }
452 }
453
454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
455 uint16_t peg_fw_state, nw_interface_link_up;
456 uint16_t nw_interface_signal_detect, sfp_status;
457 uint16_t htbt_counter, htbt_monitor_enable;
458 uint16_t sfp_additional_info, sfp_multirate;
459 uint16_t sfp_tx_fault, link_speed, dcbx_status;
460
461 /*
462 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
463 * - PEG-to-FC Status Register:
464 * (LSW = mb[2], MSW = mb[6])
465 * Bits 0-7 = Peg-Firmware state
466 * Bit 8 = N/W Interface Link-up
467 * Bit 9 = N/W Interface signal detected
468 * Bits 10-11 = SFP Status
469 * SFP Status 0x0 = SFP+ transceiver not expected
470 * SFP Status 0x1 = SFP+ transceiver not present
471 * SFP Status 0x2 = SFP+ transceiver invalid
472 * SFP Status 0x3 = SFP+ transceiver present and
473 * valid
474 * Bits 12-14 = Heartbeat Counter
475 * Bit 15 = Heartbeat Monitor Enable
476 * Bits 16-17 = SFP Additional Info
477 * SFP info 0x0 = Unregocnized transceiver for
478 * Ethernet
479 * SFP info 0x1 = SFP+ brand validation failed
480 * SFP info 0x2 = SFP+ speed validation failed
481 * SFP info 0x3 = SFP+ access error
482 * Bit 18 = SFP Multirate
483 * Bit 19 = SFP Tx Fault
484 * Bits 20-22 = Link Speed
485 * Bits 23-27 = Reserved
486 * Bits 28-30 = DCBX Status
487 * DCBX Status 0x0 = DCBX Disabled
488 * DCBX Status 0x1 = DCBX Enabled
489 * DCBX Status 0x2 = DCBX Exchange error
490 * Bit 31 = Reserved
491 */
492 peg_fw_state = (mb[2] & 0x00ff);
493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
495 sfp_status = ((mb[2] & 0x0c00) >> 10);
496 htbt_counter = ((mb[2] & 0x7000) >> 12);
497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
498 sfp_additional_info = (mb[6] & 0x0003);
499 sfp_multirate = ((mb[6] & 0x0004) >> 2);
500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
501 link_speed = ((mb[6] & 0x0070) >> 4);
502 dcbx_status = ((mb[6] & 0x7000) >> 12);
503
504 ql_log(ql_log_warn, vha, 0x5066,
505 "Peg-to-Fc Status Register:\n"
506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
507 "nw_interface_signal_detect=0x%x"
508 "\nsfp_statis=0x%x.\n ", peg_fw_state,
509 nw_interface_link_up, nw_interface_signal_detect,
510 sfp_status);
511 ql_log(ql_log_warn, vha, 0x5067,
512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
514 htbt_counter, htbt_monitor_enable,
515 sfp_additional_info, sfp_multirate);
516 ql_log(ql_log_warn, vha, 0x5068,
517 "sfp_tx_fault=0x%x, link_state=0x%x, "
518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
519 dcbx_status);
520
521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
522 }
523
524 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
525 ql_log(ql_log_warn, vha, 0x5069,
526 "Heartbeat Failure encountered, chip reset "
527 "required.\n");
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531 }
532
533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
534 ql_log(ql_log_info, vha, 0x506a,
535 "IDC Device-State changed = 0x%x.\n", mb[4]);
536 if (ha->flags.nic_core_reset_owner)
537 return;
538 qla83xx_schedule_work(vha, MBA_IDC_AEN);
539 }
540 }
541
542 int
qla2x00_is_a_vp_did(scsi_qla_host_t * vha,uint32_t rscn_entry)543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
544 {
545 struct qla_hw_data *ha = vha->hw;
546 scsi_qla_host_t *vp;
547 uint32_t vp_did;
548 unsigned long flags;
549 int ret = 0;
550
551 if (!ha->num_vhosts)
552 return ret;
553
554 spin_lock_irqsave(&ha->vport_slock, flags);
555 list_for_each_entry(vp, &ha->vp_list, list) {
556 vp_did = vp->d_id.b24;
557 if (vp_did == rscn_entry) {
558 ret = 1;
559 break;
560 }
561 }
562 spin_unlock_irqrestore(&ha->vport_slock, flags);
563
564 return ret;
565 }
566
567 fc_port_t *
qla2x00_find_fcport_by_loopid(scsi_qla_host_t * vha,uint16_t loop_id)568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
569 {
570 fc_port_t *f, *tf;
571
572 f = tf = NULL;
573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
574 if (f->loop_id == loop_id)
575 return f;
576 return NULL;
577 }
578
579 fc_port_t *
qla2x00_find_fcport_by_wwpn(scsi_qla_host_t * vha,u8 * wwpn,u8 incl_deleted)580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
581 {
582 fc_port_t *f, *tf;
583
584 f = tf = NULL;
585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
587 if (incl_deleted)
588 return f;
589 else if (f->deleted == 0)
590 return f;
591 }
592 }
593 return NULL;
594 }
595
596 fc_port_t *
qla2x00_find_fcport_by_nportid(scsi_qla_host_t * vha,port_id_t * id,u8 incl_deleted)597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
598 u8 incl_deleted)
599 {
600 fc_port_t *f, *tf;
601
602 f = tf = NULL;
603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
604 if (f->d_id.b24 == id->b24) {
605 if (incl_deleted)
606 return f;
607 else if (f->deleted == 0)
608 return f;
609 }
610 }
611 return NULL;
612 }
613
614 /**
615 * qla2x00_async_event() - Process aynchronous events.
616 * @ha: SCSI driver HA context
617 * @mb: Mailbox registers (0 - 3)
618 */
619 void
qla2x00_async_event(scsi_qla_host_t * vha,struct rsp_que * rsp,uint16_t * mb)620 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
621 {
622 uint16_t handle_cnt;
623 uint16_t cnt, mbx;
624 uint32_t handles[5];
625 struct qla_hw_data *ha = vha->hw;
626 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
627 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
628 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
629 uint32_t rscn_entry, host_pid;
630 unsigned long flags;
631 fc_port_t *fcport = NULL;
632
633 /* Setup to process RIO completion. */
634 handle_cnt = 0;
635 if (IS_CNA_CAPABLE(ha))
636 goto skip_rio;
637 switch (mb[0]) {
638 case MBA_SCSI_COMPLETION:
639 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
640 handle_cnt = 1;
641 break;
642 case MBA_CMPLT_1_16BIT:
643 handles[0] = mb[1];
644 handle_cnt = 1;
645 mb[0] = MBA_SCSI_COMPLETION;
646 break;
647 case MBA_CMPLT_2_16BIT:
648 handles[0] = mb[1];
649 handles[1] = mb[2];
650 handle_cnt = 2;
651 mb[0] = MBA_SCSI_COMPLETION;
652 break;
653 case MBA_CMPLT_3_16BIT:
654 handles[0] = mb[1];
655 handles[1] = mb[2];
656 handles[2] = mb[3];
657 handle_cnt = 3;
658 mb[0] = MBA_SCSI_COMPLETION;
659 break;
660 case MBA_CMPLT_4_16BIT:
661 handles[0] = mb[1];
662 handles[1] = mb[2];
663 handles[2] = mb[3];
664 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
665 handle_cnt = 4;
666 mb[0] = MBA_SCSI_COMPLETION;
667 break;
668 case MBA_CMPLT_5_16BIT:
669 handles[0] = mb[1];
670 handles[1] = mb[2];
671 handles[2] = mb[3];
672 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
673 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
674 handle_cnt = 5;
675 mb[0] = MBA_SCSI_COMPLETION;
676 break;
677 case MBA_CMPLT_2_32BIT:
678 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
679 handles[1] = le32_to_cpu(
680 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
681 RD_MAILBOX_REG(ha, reg, 6));
682 handle_cnt = 2;
683 mb[0] = MBA_SCSI_COMPLETION;
684 break;
685 default:
686 break;
687 }
688 skip_rio:
689 switch (mb[0]) {
690 case MBA_SCSI_COMPLETION: /* Fast Post */
691 if (!vha->flags.online)
692 break;
693
694 for (cnt = 0; cnt < handle_cnt; cnt++)
695 qla2x00_process_completed_request(vha, rsp->req,
696 handles[cnt]);
697 break;
698
699 case MBA_RESET: /* Reset */
700 ql_dbg(ql_dbg_async, vha, 0x5002,
701 "Asynchronous RESET.\n");
702
703 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
704 break;
705
706 case MBA_SYSTEM_ERR: /* System Error */
707 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
708 RD_REG_WORD(®24->mailbox7) : 0;
709 ql_log(ql_log_warn, vha, 0x5003,
710 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
711 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
712
713 ha->isp_ops->fw_dump(vha, 1);
714 ha->flags.fw_init_done = 0;
715 QLA_FW_STOPPED(ha);
716
717 if (IS_FWI2_CAPABLE(ha)) {
718 if (mb[1] == 0 && mb[2] == 0) {
719 ql_log(ql_log_fatal, vha, 0x5004,
720 "Unrecoverable Hardware Error: adapter "
721 "marked OFFLINE!\n");
722 vha->flags.online = 0;
723 vha->device_flags |= DFLG_DEV_FAILED;
724 } else {
725 /* Check to see if MPI timeout occurred */
726 if ((mbx & MBX_3) && (ha->port_no == 0))
727 set_bit(MPI_RESET_NEEDED,
728 &vha->dpc_flags);
729
730 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
731 }
732 } else if (mb[1] == 0) {
733 ql_log(ql_log_fatal, vha, 0x5005,
734 "Unrecoverable Hardware Error: adapter marked "
735 "OFFLINE!\n");
736 vha->flags.online = 0;
737 vha->device_flags |= DFLG_DEV_FAILED;
738 } else
739 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
740 break;
741
742 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
743 ql_log(ql_log_warn, vha, 0x5006,
744 "ISP Request Transfer Error (%x).\n", mb[1]);
745
746 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
747 break;
748
749 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
750 ql_log(ql_log_warn, vha, 0x5007,
751 "ISP Response Transfer Error (%x).\n", mb[1]);
752
753 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
754 break;
755
756 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
757 ql_dbg(ql_dbg_async, vha, 0x5008,
758 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
759 break;
760
761 case MBA_LOOP_INIT_ERR:
762 ql_log(ql_log_warn, vha, 0x5090,
763 "LOOP INIT ERROR (%x).\n", mb[1]);
764 ha->isp_ops->fw_dump(vha, 1);
765 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
766 break;
767
768 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
769 ha->flags.lip_ae = 1;
770 ha->flags.n2n_ae = 0;
771
772 ql_dbg(ql_dbg_async, vha, 0x5009,
773 "LIP occurred (%x).\n", mb[1]);
774
775 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
776 atomic_set(&vha->loop_state, LOOP_DOWN);
777 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
778 qla2x00_mark_all_devices_lost(vha, 1);
779 }
780
781 if (vha->vp_idx) {
782 atomic_set(&vha->vp_state, VP_FAILED);
783 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
784 }
785
786 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
787 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
788
789 vha->flags.management_server_logged_in = 0;
790 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
791 break;
792
793 case MBA_LOOP_UP: /* Loop Up Event */
794 if (IS_QLA2100(ha) || IS_QLA2200(ha))
795 ha->link_data_rate = PORT_SPEED_1GB;
796 else
797 ha->link_data_rate = mb[1];
798
799 ql_log(ql_log_info, vha, 0x500a,
800 "LOOP UP detected (%s Gbps).\n",
801 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
802
803 vha->flags.management_server_logged_in = 0;
804 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
805
806 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
807 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
808 qla2xxx_wake_dpc(vha);
809 }
810 break;
811
812 case MBA_LOOP_DOWN: /* Loop Down Event */
813 ha->flags.n2n_ae = 0;
814 ha->flags.lip_ae = 0;
815 ha->current_topology = 0;
816
817 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
818 ? RD_REG_WORD(®24->mailbox4) : 0;
819 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
820 : mbx;
821 ql_log(ql_log_info, vha, 0x500b,
822 "LOOP DOWN detected (%x %x %x %x).\n",
823 mb[1], mb[2], mb[3], mbx);
824
825 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
826 atomic_set(&vha->loop_state, LOOP_DOWN);
827 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
828 /*
829 * In case of loop down, restore WWPN from
830 * NVRAM in case of FA-WWPN capable ISP
831 * Restore for Physical Port only
832 */
833 if (!vha->vp_idx) {
834 if (ha->flags.fawwpn_enabled) {
835 void *wwpn = ha->init_cb->port_name;
836 memcpy(vha->port_name, wwpn, WWN_SIZE);
837 fc_host_port_name(vha->host) =
838 wwn_to_u64(vha->port_name);
839 ql_dbg(ql_dbg_init + ql_dbg_verbose,
840 vha, 0x00d8, "LOOP DOWN detected,"
841 "restore WWPN %016llx\n",
842 wwn_to_u64(vha->port_name));
843 }
844
845 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
846 }
847
848 vha->device_flags |= DFLG_NO_CABLE;
849 qla2x00_mark_all_devices_lost(vha, 1);
850 }
851
852 if (vha->vp_idx) {
853 atomic_set(&vha->vp_state, VP_FAILED);
854 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
855 }
856
857 vha->flags.management_server_logged_in = 0;
858 ha->link_data_rate = PORT_SPEED_UNKNOWN;
859 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
860 break;
861
862 case MBA_LIP_RESET: /* LIP reset occurred */
863 ql_dbg(ql_dbg_async, vha, 0x500c,
864 "LIP reset occurred (%x).\n", mb[1]);
865
866 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
867 atomic_set(&vha->loop_state, LOOP_DOWN);
868 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
869 qla2x00_mark_all_devices_lost(vha, 1);
870 }
871
872 if (vha->vp_idx) {
873 atomic_set(&vha->vp_state, VP_FAILED);
874 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
875 }
876
877 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
878
879 ha->operating_mode = LOOP;
880 vha->flags.management_server_logged_in = 0;
881 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
882 break;
883
884 /* case MBA_DCBX_COMPLETE: */
885 case MBA_POINT_TO_POINT: /* Point-to-Point */
886 ha->flags.lip_ae = 0;
887 ha->flags.n2n_ae = 1;
888
889 if (IS_QLA2100(ha))
890 break;
891
892 if (IS_CNA_CAPABLE(ha)) {
893 ql_dbg(ql_dbg_async, vha, 0x500d,
894 "DCBX Completed -- %04x %04x %04x.\n",
895 mb[1], mb[2], mb[3]);
896 if (ha->notify_dcbx_comp && !vha->vp_idx)
897 complete(&ha->dcbx_comp);
898
899 } else
900 ql_dbg(ql_dbg_async, vha, 0x500e,
901 "Asynchronous P2P MODE received.\n");
902
903 /*
904 * Until there's a transition from loop down to loop up, treat
905 * this as loop down only.
906 */
907 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
908 atomic_set(&vha->loop_state, LOOP_DOWN);
909 if (!atomic_read(&vha->loop_down_timer))
910 atomic_set(&vha->loop_down_timer,
911 LOOP_DOWN_TIME);
912 qla2x00_mark_all_devices_lost(vha, 1);
913 }
914
915 if (vha->vp_idx) {
916 atomic_set(&vha->vp_state, VP_FAILED);
917 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
918 }
919
920 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
921 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
922
923 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
924 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
925
926 ha->flags.gpsc_supported = 1;
927 vha->flags.management_server_logged_in = 0;
928 break;
929
930 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
931 if (IS_QLA2100(ha))
932 break;
933
934 ql_dbg(ql_dbg_async, vha, 0x500f,
935 "Configuration change detected: value=%x.\n", mb[1]);
936
937 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
938 atomic_set(&vha->loop_state, LOOP_DOWN);
939 if (!atomic_read(&vha->loop_down_timer))
940 atomic_set(&vha->loop_down_timer,
941 LOOP_DOWN_TIME);
942 qla2x00_mark_all_devices_lost(vha, 1);
943 }
944
945 if (vha->vp_idx) {
946 atomic_set(&vha->vp_state, VP_FAILED);
947 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
948 }
949
950 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
951 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
952 break;
953
954 case MBA_PORT_UPDATE: /* Port database update */
955 /*
956 * Handle only global and vn-port update events
957 *
958 * Relevant inputs:
959 * mb[1] = N_Port handle of changed port
960 * OR 0xffff for global event
961 * mb[2] = New login state
962 * 7 = Port logged out
963 * mb[3] = LSB is vp_idx, 0xff = all vps
964 *
965 * Skip processing if:
966 * Event is global, vp_idx is NOT all vps,
967 * vp_idx does not match
968 * Event is not global, vp_idx does not match
969 */
970 if (IS_QLA2XXX_MIDTYPE(ha) &&
971 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
972 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
973 break;
974
975 if (mb[2] == 0x7) {
976 ql_dbg(ql_dbg_async, vha, 0x5010,
977 "Port %s %04x %04x %04x.\n",
978 mb[1] == 0xffff ? "unavailable" : "logout",
979 mb[1], mb[2], mb[3]);
980
981 if (mb[1] == 0xffff)
982 goto global_port_update;
983
984 if (mb[1] == NPH_SNS_LID(ha)) {
985 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
986 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
987 break;
988 }
989
990 /* use handle_cnt for loop id/nport handle */
991 if (IS_FWI2_CAPABLE(ha))
992 handle_cnt = NPH_SNS;
993 else
994 handle_cnt = SIMPLE_NAME_SERVER;
995 if (mb[1] == handle_cnt) {
996 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
997 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
998 break;
999 }
1000
1001 /* Port logout */
1002 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1003 if (!fcport)
1004 break;
1005 if (atomic_read(&fcport->state) != FCS_ONLINE)
1006 break;
1007 ql_dbg(ql_dbg_async, vha, 0x508a,
1008 "Marking port lost loopid=%04x portid=%06x.\n",
1009 fcport->loop_id, fcport->d_id.b24);
1010 if (qla_ini_mode_enabled(vha)) {
1011 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1012 fcport->logout_on_delete = 0;
1013 qlt_schedule_sess_for_deletion_lock(fcport);
1014 }
1015 break;
1016
1017 global_port_update:
1018 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1019 atomic_set(&vha->loop_state, LOOP_DOWN);
1020 atomic_set(&vha->loop_down_timer,
1021 LOOP_DOWN_TIME);
1022 vha->device_flags |= DFLG_NO_CABLE;
1023 qla2x00_mark_all_devices_lost(vha, 1);
1024 }
1025
1026 if (vha->vp_idx) {
1027 atomic_set(&vha->vp_state, VP_FAILED);
1028 fc_vport_set_state(vha->fc_vport,
1029 FC_VPORT_FAILED);
1030 qla2x00_mark_all_devices_lost(vha, 1);
1031 }
1032
1033 vha->flags.management_server_logged_in = 0;
1034 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1035 break;
1036 }
1037
1038 /*
1039 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1040 * event etc. earlier indicating loop is down) then process
1041 * it. Otherwise ignore it and Wait for RSCN to come in.
1042 */
1043 atomic_set(&vha->loop_down_timer, 0);
1044 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1045 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1046 ql_dbg(ql_dbg_async, vha, 0x5011,
1047 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1048 mb[1], mb[2], mb[3]);
1049 break;
1050 }
1051
1052 ql_dbg(ql_dbg_async, vha, 0x5012,
1053 "Port database changed %04x %04x %04x.\n",
1054 mb[1], mb[2], mb[3]);
1055
1056 /*
1057 * Mark all devices as missing so we will login again.
1058 */
1059 atomic_set(&vha->loop_state, LOOP_UP);
1060
1061 qla2x00_mark_all_devices_lost(vha, 1);
1062
1063 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1064 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1065 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1066 break;
1067
1068 case MBA_RSCN_UPDATE: /* State Change Registration */
1069 /* Check if the Vport has issued a SCR */
1070 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1071 break;
1072 /* Only handle SCNs for our Vport index. */
1073 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1074 break;
1075
1076 ql_dbg(ql_dbg_async, vha, 0x5013,
1077 "RSCN database changed -- %04x %04x %04x.\n",
1078 mb[1], mb[2], mb[3]);
1079
1080 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1081 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1082 | vha->d_id.b.al_pa;
1083 if (rscn_entry == host_pid) {
1084 ql_dbg(ql_dbg_async, vha, 0x5014,
1085 "Ignoring RSCN update to local host "
1086 "port ID (%06x).\n", host_pid);
1087 break;
1088 }
1089
1090 /* Ignore reserved bits from RSCN-payload. */
1091 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1092
1093 /* Skip RSCNs for virtual ports on the same physical port */
1094 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1095 break;
1096
1097 atomic_set(&vha->loop_down_timer, 0);
1098 vha->flags.management_server_logged_in = 0;
1099 {
1100 struct event_arg ea;
1101
1102 memset(&ea, 0, sizeof(ea));
1103 ea.event = FCME_RSCN;
1104 ea.id.b24 = rscn_entry;
1105 ea.id.b.rsvd_1 = rscn_entry >> 24;
1106 qla2x00_fcport_event_handler(vha, &ea);
1107 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1108 }
1109 break;
1110 /* case MBA_RIO_RESPONSE: */
1111 case MBA_ZIO_RESPONSE:
1112 ql_dbg(ql_dbg_async, vha, 0x5015,
1113 "[R|Z]IO update completion.\n");
1114
1115 if (IS_FWI2_CAPABLE(ha))
1116 qla24xx_process_response_queue(vha, rsp);
1117 else
1118 qla2x00_process_response_queue(rsp);
1119 break;
1120
1121 case MBA_DISCARD_RND_FRAME:
1122 ql_dbg(ql_dbg_async, vha, 0x5016,
1123 "Discard RND Frame -- %04x %04x %04x.\n",
1124 mb[1], mb[2], mb[3]);
1125 break;
1126
1127 case MBA_TRACE_NOTIFICATION:
1128 ql_dbg(ql_dbg_async, vha, 0x5017,
1129 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1130 break;
1131
1132 case MBA_ISP84XX_ALERT:
1133 ql_dbg(ql_dbg_async, vha, 0x5018,
1134 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1135 mb[1], mb[2], mb[3]);
1136
1137 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1138 switch (mb[1]) {
1139 case A84_PANIC_RECOVERY:
1140 ql_log(ql_log_info, vha, 0x5019,
1141 "Alert 84XX: panic recovery %04x %04x.\n",
1142 mb[2], mb[3]);
1143 break;
1144 case A84_OP_LOGIN_COMPLETE:
1145 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1146 ql_log(ql_log_info, vha, 0x501a,
1147 "Alert 84XX: firmware version %x.\n",
1148 ha->cs84xx->op_fw_version);
1149 break;
1150 case A84_DIAG_LOGIN_COMPLETE:
1151 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1152 ql_log(ql_log_info, vha, 0x501b,
1153 "Alert 84XX: diagnostic firmware version %x.\n",
1154 ha->cs84xx->diag_fw_version);
1155 break;
1156 case A84_GOLD_LOGIN_COMPLETE:
1157 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1158 ha->cs84xx->fw_update = 1;
1159 ql_log(ql_log_info, vha, 0x501c,
1160 "Alert 84XX: gold firmware version %x.\n",
1161 ha->cs84xx->gold_fw_version);
1162 break;
1163 default:
1164 ql_log(ql_log_warn, vha, 0x501d,
1165 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1166 mb[1], mb[2], mb[3]);
1167 }
1168 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1169 break;
1170 case MBA_DCBX_START:
1171 ql_dbg(ql_dbg_async, vha, 0x501e,
1172 "DCBX Started -- %04x %04x %04x.\n",
1173 mb[1], mb[2], mb[3]);
1174 break;
1175 case MBA_DCBX_PARAM_UPDATE:
1176 ql_dbg(ql_dbg_async, vha, 0x501f,
1177 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1178 mb[1], mb[2], mb[3]);
1179 break;
1180 case MBA_FCF_CONF_ERR:
1181 ql_dbg(ql_dbg_async, vha, 0x5020,
1182 "FCF Configuration Error -- %04x %04x %04x.\n",
1183 mb[1], mb[2], mb[3]);
1184 break;
1185 case MBA_IDC_NOTIFY:
1186 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1187 mb[4] = RD_REG_WORD(®24->mailbox4);
1188 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1189 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1190 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1191 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1192 /*
1193 * Extend loop down timer since port is active.
1194 */
1195 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1196 atomic_set(&vha->loop_down_timer,
1197 LOOP_DOWN_TIME);
1198 qla2xxx_wake_dpc(vha);
1199 }
1200 }
1201 case MBA_IDC_COMPLETE:
1202 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1203 complete(&ha->lb_portup_comp);
1204 /* Fallthru */
1205 case MBA_IDC_TIME_EXT:
1206 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1207 IS_QLA8044(ha))
1208 qla81xx_idc_event(vha, mb[0], mb[1]);
1209 break;
1210
1211 case MBA_IDC_AEN:
1212 mb[4] = RD_REG_WORD(®24->mailbox4);
1213 mb[5] = RD_REG_WORD(®24->mailbox5);
1214 mb[6] = RD_REG_WORD(®24->mailbox6);
1215 mb[7] = RD_REG_WORD(®24->mailbox7);
1216 qla83xx_handle_8200_aen(vha, mb);
1217 break;
1218
1219 case MBA_DPORT_DIAGNOSTICS:
1220 ql_dbg(ql_dbg_async, vha, 0x5052,
1221 "D-Port Diagnostics: %04x result=%s\n",
1222 mb[0],
1223 mb[1] == 0 ? "start" :
1224 mb[1] == 1 ? "done (pass)" :
1225 mb[1] == 2 ? "done (error)" : "other");
1226 break;
1227
1228 case MBA_TEMPERATURE_ALERT:
1229 ql_dbg(ql_dbg_async, vha, 0x505e,
1230 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1231 if (mb[1] == 0x12)
1232 schedule_work(&ha->board_disable);
1233 break;
1234
1235 case MBA_TRANS_INSERT:
1236 ql_dbg(ql_dbg_async, vha, 0x5091,
1237 "Transceiver Insertion: %04x\n", mb[1]);
1238 break;
1239
1240 default:
1241 ql_dbg(ql_dbg_async, vha, 0x5057,
1242 "Unknown AEN:%04x %04x %04x %04x\n",
1243 mb[0], mb[1], mb[2], mb[3]);
1244 }
1245
1246 qlt_async_event(mb[0], vha, mb);
1247
1248 if (!vha->vp_idx && ha->num_vhosts)
1249 qla2x00_alert_all_vps(rsp, mb);
1250 }
1251
1252 /**
1253 * qla2x00_process_completed_request() - Process a Fast Post response.
1254 * @ha: SCSI driver HA context
1255 * @index: SRB index
1256 */
1257 void
qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1258 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1259 struct req_que *req, uint32_t index)
1260 {
1261 srb_t *sp;
1262 struct qla_hw_data *ha = vha->hw;
1263
1264 /* Validate handle. */
1265 if (index >= req->num_outstanding_cmds) {
1266 ql_log(ql_log_warn, vha, 0x3014,
1267 "Invalid SCSI command index (%x).\n", index);
1268
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 return;
1274 }
1275
1276 sp = req->outstanding_cmds[index];
1277 if (sp) {
1278 /* Free outstanding command slot. */
1279 req->outstanding_cmds[index] = NULL;
1280
1281 /* Save ISP completion status */
1282 sp->done(sp, DID_OK << 16);
1283 } else {
1284 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1285
1286 if (IS_P3P_TYPE(ha))
1287 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1288 else
1289 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1290 }
1291 }
1292
1293 srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)1294 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1295 struct req_que *req, void *iocb)
1296 {
1297 struct qla_hw_data *ha = vha->hw;
1298 sts_entry_t *pkt = iocb;
1299 srb_t *sp = NULL;
1300 uint16_t index;
1301
1302 index = LSW(pkt->handle);
1303 if (index >= req->num_outstanding_cmds) {
1304 ql_log(ql_log_warn, vha, 0x5031,
1305 "Invalid command index (%x) type %8ph.\n",
1306 index, iocb);
1307 if (IS_P3P_TYPE(ha))
1308 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1309 else
1310 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1311 goto done;
1312 }
1313 sp = req->outstanding_cmds[index];
1314 if (!sp) {
1315 ql_log(ql_log_warn, vha, 0x5032,
1316 "Invalid completion handle (%x) -- timed-out.\n", index);
1317 return sp;
1318 }
1319 if (sp->handle != index) {
1320 ql_log(ql_log_warn, vha, 0x5033,
1321 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1322 return NULL;
1323 }
1324
1325 req->outstanding_cmds[index] = NULL;
1326
1327 done:
1328 return sp;
1329 }
1330
1331 static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)1332 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1333 struct mbx_entry *mbx)
1334 {
1335 const char func[] = "MBX-IOCB";
1336 const char *type;
1337 fc_port_t *fcport;
1338 srb_t *sp;
1339 struct srb_iocb *lio;
1340 uint16_t *data;
1341 uint16_t status;
1342
1343 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1344 if (!sp)
1345 return;
1346
1347 lio = &sp->u.iocb_cmd;
1348 type = sp->name;
1349 fcport = sp->fcport;
1350 data = lio->u.logio.data;
1351
1352 data[0] = MBS_COMMAND_ERROR;
1353 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1354 QLA_LOGIO_LOGIN_RETRIED : 0;
1355 if (mbx->entry_status) {
1356 ql_dbg(ql_dbg_async, vha, 0x5043,
1357 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1358 "entry-status=%x status=%x state-flag=%x "
1359 "status-flags=%x.\n", type, sp->handle,
1360 fcport->d_id.b.domain, fcport->d_id.b.area,
1361 fcport->d_id.b.al_pa, mbx->entry_status,
1362 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1363 le16_to_cpu(mbx->status_flags));
1364
1365 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1366 (uint8_t *)mbx, sizeof(*mbx));
1367
1368 goto logio_done;
1369 }
1370
1371 status = le16_to_cpu(mbx->status);
1372 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1373 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1374 status = 0;
1375 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1376 ql_dbg(ql_dbg_async, vha, 0x5045,
1377 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1378 type, sp->handle, fcport->d_id.b.domain,
1379 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1380 le16_to_cpu(mbx->mb1));
1381
1382 data[0] = MBS_COMMAND_COMPLETE;
1383 if (sp->type == SRB_LOGIN_CMD) {
1384 fcport->port_type = FCT_TARGET;
1385 if (le16_to_cpu(mbx->mb1) & BIT_0)
1386 fcport->port_type = FCT_INITIATOR;
1387 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1388 fcport->flags |= FCF_FCP2_DEVICE;
1389 }
1390 goto logio_done;
1391 }
1392
1393 data[0] = le16_to_cpu(mbx->mb0);
1394 switch (data[0]) {
1395 case MBS_PORT_ID_USED:
1396 data[1] = le16_to_cpu(mbx->mb1);
1397 break;
1398 case MBS_LOOP_ID_USED:
1399 break;
1400 default:
1401 data[0] = MBS_COMMAND_ERROR;
1402 break;
1403 }
1404
1405 ql_log(ql_log_warn, vha, 0x5046,
1406 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1407 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1408 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1409 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1410 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1411 le16_to_cpu(mbx->mb7));
1412
1413 logio_done:
1414 sp->done(sp, 0);
1415 }
1416
1417 static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)1418 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1419 struct mbx_24xx_entry *pkt)
1420 {
1421 const char func[] = "MBX-IOCB2";
1422 srb_t *sp;
1423 struct srb_iocb *si;
1424 u16 sz, i;
1425 int res;
1426
1427 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1428 if (!sp)
1429 return;
1430
1431 si = &sp->u.iocb_cmd;
1432 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1433
1434 for (i = 0; i < sz; i++)
1435 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1436
1437 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1438
1439 sp->done(sp, res);
1440 }
1441
1442 static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)1443 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1444 struct nack_to_isp *pkt)
1445 {
1446 const char func[] = "nack";
1447 srb_t *sp;
1448 int res = 0;
1449
1450 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1451 if (!sp)
1452 return;
1453
1454 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1455 res = QLA_FUNCTION_FAILED;
1456
1457 sp->done(sp, res);
1458 }
1459
1460 static void
qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)1461 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1462 sts_entry_t *pkt, int iocb_type)
1463 {
1464 const char func[] = "CT_IOCB";
1465 const char *type;
1466 srb_t *sp;
1467 struct bsg_job *bsg_job;
1468 struct fc_bsg_reply *bsg_reply;
1469 uint16_t comp_status;
1470 int res = 0;
1471
1472 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1473 if (!sp)
1474 return;
1475
1476 switch (sp->type) {
1477 case SRB_CT_CMD:
1478 bsg_job = sp->u.bsg_job;
1479 bsg_reply = bsg_job->reply;
1480
1481 type = "ct pass-through";
1482
1483 comp_status = le16_to_cpu(pkt->comp_status);
1484
1485 /*
1486 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1487 * fc payload to the caller
1488 */
1489 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1490 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1491
1492 if (comp_status != CS_COMPLETE) {
1493 if (comp_status == CS_DATA_UNDERRUN) {
1494 res = DID_OK << 16;
1495 bsg_reply->reply_payload_rcv_len =
1496 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1497
1498 ql_log(ql_log_warn, vha, 0x5048,
1499 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1500 type, comp_status,
1501 bsg_reply->reply_payload_rcv_len);
1502 } else {
1503 ql_log(ql_log_warn, vha, 0x5049,
1504 "CT pass-through-%s error comp_status=0x%x.\n",
1505 type, comp_status);
1506 res = DID_ERROR << 16;
1507 bsg_reply->reply_payload_rcv_len = 0;
1508 }
1509 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1510 (uint8_t *)pkt, sizeof(*pkt));
1511 } else {
1512 res = DID_OK << 16;
1513 bsg_reply->reply_payload_rcv_len =
1514 bsg_job->reply_payload.payload_len;
1515 bsg_job->reply_len = 0;
1516 }
1517 break;
1518 case SRB_CT_PTHRU_CMD:
1519 /*
1520 * borrowing sts_entry_24xx.comp_status.
1521 * same location as ct_entry_24xx.comp_status
1522 */
1523 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1524 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1525 sp->name);
1526 break;
1527 }
1528
1529 sp->done(sp, res);
1530 }
1531
1532 static void
qla24xx_els_ct_entry(scsi_qla_host_t * vha,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)1533 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1534 struct sts_entry_24xx *pkt, int iocb_type)
1535 {
1536 const char func[] = "ELS_CT_IOCB";
1537 const char *type;
1538 srb_t *sp;
1539 struct bsg_job *bsg_job;
1540 struct fc_bsg_reply *bsg_reply;
1541 uint16_t comp_status;
1542 uint32_t fw_status[3];
1543 uint8_t* fw_sts_ptr;
1544 int res;
1545
1546 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1547 if (!sp)
1548 return;
1549
1550 type = NULL;
1551 switch (sp->type) {
1552 case SRB_ELS_CMD_RPT:
1553 case SRB_ELS_CMD_HST:
1554 type = "els";
1555 break;
1556 case SRB_CT_CMD:
1557 type = "ct pass-through";
1558 break;
1559 case SRB_ELS_DCMD:
1560 type = "Driver ELS logo";
1561 ql_dbg(ql_dbg_user, vha, 0x5047,
1562 "Completing %s: (%p) type=%d.\n", type, sp, sp->type);
1563 sp->done(sp, 0);
1564 return;
1565 case SRB_CT_PTHRU_CMD:
1566 /* borrowing sts_entry_24xx.comp_status.
1567 same location as ct_entry_24xx.comp_status
1568 */
1569 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1570 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1571 sp->name);
1572 sp->done(sp, res);
1573 return;
1574 default:
1575 ql_dbg(ql_dbg_user, vha, 0x503e,
1576 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1577 return;
1578 }
1579
1580 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1581 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1582 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1583
1584 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1585 * fc payload to the caller
1586 */
1587 bsg_job = sp->u.bsg_job;
1588 bsg_reply = bsg_job->reply;
1589 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1590 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1591
1592 if (comp_status != CS_COMPLETE) {
1593 if (comp_status == CS_DATA_UNDERRUN) {
1594 res = DID_OK << 16;
1595 bsg_reply->reply_payload_rcv_len =
1596 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1597
1598 ql_dbg(ql_dbg_user, vha, 0x503f,
1599 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1600 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1601 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1602 le16_to_cpu(((struct els_sts_entry_24xx *)
1603 pkt)->total_byte_count));
1604 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1605 sizeof(struct fc_bsg_reply);
1606 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1607 }
1608 else {
1609 ql_dbg(ql_dbg_user, vha, 0x5040,
1610 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1611 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1612 type, sp->handle, comp_status,
1613 le16_to_cpu(((struct els_sts_entry_24xx *)
1614 pkt)->error_subcode_1),
1615 le16_to_cpu(((struct els_sts_entry_24xx *)
1616 pkt)->error_subcode_2));
1617 res = DID_ERROR << 16;
1618 bsg_reply->reply_payload_rcv_len = 0;
1619 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) +
1620 sizeof(struct fc_bsg_reply);
1621 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
1622 }
1623 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1624 (uint8_t *)pkt, sizeof(*pkt));
1625 }
1626 else {
1627 res = DID_OK << 16;
1628 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1629 bsg_job->reply_len = 0;
1630 }
1631
1632 sp->done(sp, res);
1633 }
1634
1635 static void
qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)1636 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1637 struct logio_entry_24xx *logio)
1638 {
1639 const char func[] = "LOGIO-IOCB";
1640 const char *type;
1641 fc_port_t *fcport;
1642 srb_t *sp;
1643 struct srb_iocb *lio;
1644 uint16_t *data;
1645 uint32_t iop[2];
1646
1647 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1648 if (!sp)
1649 return;
1650
1651 lio = &sp->u.iocb_cmd;
1652 type = sp->name;
1653 fcport = sp->fcport;
1654 data = lio->u.logio.data;
1655
1656 data[0] = MBS_COMMAND_ERROR;
1657 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1658 QLA_LOGIO_LOGIN_RETRIED : 0;
1659 if (logio->entry_status) {
1660 ql_log(ql_log_warn, fcport->vha, 0x5034,
1661 "Async-%s error entry - %8phC hdl=%x"
1662 "portid=%02x%02x%02x entry-status=%x.\n",
1663 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1664 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1665 logio->entry_status);
1666 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1667 (uint8_t *)logio, sizeof(*logio));
1668
1669 goto logio_done;
1670 }
1671
1672 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1673 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1674 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1675 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1676 fcport->d_id.b.domain,
1677 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1678 le32_to_cpu(logio->io_parameter[0]));
1679
1680 vha->hw->exch_starvation = 0;
1681 data[0] = MBS_COMMAND_COMPLETE;
1682 if (sp->type != SRB_LOGIN_CMD)
1683 goto logio_done;
1684
1685 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1686 if (iop[0] & BIT_4) {
1687 fcport->port_type = FCT_TARGET;
1688 if (iop[0] & BIT_8)
1689 fcport->flags |= FCF_FCP2_DEVICE;
1690 } else if (iop[0] & BIT_5)
1691 fcport->port_type = FCT_INITIATOR;
1692
1693 if (iop[0] & BIT_7)
1694 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1695
1696 if (logio->io_parameter[7] || logio->io_parameter[8])
1697 fcport->supported_classes |= FC_COS_CLASS2;
1698 if (logio->io_parameter[9] || logio->io_parameter[10])
1699 fcport->supported_classes |= FC_COS_CLASS3;
1700
1701 goto logio_done;
1702 }
1703
1704 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1705 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1706 lio->u.logio.iop[0] = iop[0];
1707 lio->u.logio.iop[1] = iop[1];
1708 switch (iop[0]) {
1709 case LSC_SCODE_PORTID_USED:
1710 data[0] = MBS_PORT_ID_USED;
1711 data[1] = LSW(iop[1]);
1712 break;
1713 case LSC_SCODE_NPORT_USED:
1714 data[0] = MBS_LOOP_ID_USED;
1715 break;
1716 case LSC_SCODE_CMD_FAILED:
1717 if (iop[1] == 0x0606) {
1718 /*
1719 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1720 * Target side acked.
1721 */
1722 data[0] = MBS_COMMAND_COMPLETE;
1723 goto logio_done;
1724 }
1725 data[0] = MBS_COMMAND_ERROR;
1726 break;
1727 case LSC_SCODE_NOXCB:
1728 vha->hw->exch_starvation++;
1729 if (vha->hw->exch_starvation > 5) {
1730 ql_log(ql_log_warn, vha, 0xd046,
1731 "Exchange starvation. Resetting RISC\n");
1732
1733 vha->hw->exch_starvation = 0;
1734
1735 if (IS_P3P_TYPE(vha->hw))
1736 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1737 else
1738 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1739 qla2xxx_wake_dpc(vha);
1740 }
1741 /* drop through */
1742 default:
1743 data[0] = MBS_COMMAND_ERROR;
1744 break;
1745 }
1746
1747 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1748 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1749 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1750 sp->handle, fcport->d_id.b.domain,
1751 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1752 le16_to_cpu(logio->comp_status),
1753 le32_to_cpu(logio->io_parameter[0]),
1754 le32_to_cpu(logio->io_parameter[1]));
1755
1756 logio_done:
1757 sp->done(sp, 0);
1758 }
1759
1760 static void
qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)1761 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1762 {
1763 const char func[] = "TMF-IOCB";
1764 const char *type;
1765 fc_port_t *fcport;
1766 srb_t *sp;
1767 struct srb_iocb *iocb;
1768 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1769
1770 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1771 if (!sp)
1772 return;
1773
1774 iocb = &sp->u.iocb_cmd;
1775 type = sp->name;
1776 fcport = sp->fcport;
1777 iocb->u.tmf.data = QLA_SUCCESS;
1778
1779 if (sts->entry_status) {
1780 ql_log(ql_log_warn, fcport->vha, 0x5038,
1781 "Async-%s error - hdl=%x entry-status(%x).\n",
1782 type, sp->handle, sts->entry_status);
1783 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1784 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1785 ql_log(ql_log_warn, fcport->vha, 0x5039,
1786 "Async-%s error - hdl=%x completion status(%x).\n",
1787 type, sp->handle, sts->comp_status);
1788 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1789 } else if ((le16_to_cpu(sts->scsi_status) &
1790 SS_RESPONSE_INFO_LEN_VALID)) {
1791 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1792 ql_log(ql_log_warn, fcport->vha, 0x503b,
1793 "Async-%s error - hdl=%x not enough response(%d).\n",
1794 type, sp->handle, sts->rsp_data_len);
1795 } else if (sts->data[3]) {
1796 ql_log(ql_log_warn, fcport->vha, 0x503c,
1797 "Async-%s error - hdl=%x response(%x).\n",
1798 type, sp->handle, sts->data[3]);
1799 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1800 }
1801 }
1802
1803 if (iocb->u.tmf.data != QLA_SUCCESS)
1804 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1805 (uint8_t *)sts, sizeof(*sts));
1806
1807 sp->done(sp, 0);
1808 }
1809
1810 static void
qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)1811 qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1812 {
1813 const char func[] = "NVME-IOCB";
1814 fc_port_t *fcport;
1815 srb_t *sp;
1816 struct srb_iocb *iocb;
1817 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1818 uint16_t state_flags;
1819 struct nvmefc_fcp_req *fd;
1820 uint16_t ret = 0;
1821 struct srb_iocb *nvme;
1822
1823 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1824 if (!sp)
1825 return;
1826
1827 iocb = &sp->u.iocb_cmd;
1828 fcport = sp->fcport;
1829 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status);
1830 state_flags = le16_to_cpu(sts->state_flags);
1831 fd = iocb->u.nvme.desc;
1832 nvme = &sp->u.iocb_cmd;
1833
1834 if (unlikely(nvme->u.nvme.aen_op))
1835 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1836
1837 /*
1838 * State flags: Bit 6 and 0.
1839 * If 0 is set, we don't care about 6.
1840 * both cases resp was dma'd to host buffer
1841 * if both are 0, that is good path case.
1842 * if six is set and 0 is clear, we need to
1843 * copy resp data from status iocb to resp buffer.
1844 */
1845 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1846 iocb->u.nvme.rsp_pyld_len = 0;
1847 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1848 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1849 } else if (state_flags & SF_NVME_ERSP) {
1850 uint32_t *inbuf, *outbuf;
1851 uint16_t iter;
1852
1853 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1854 outbuf = (uint32_t *)fd->rspaddr;
1855 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1856 if (unlikely(iocb->u.nvme.rsp_pyld_len >
1857 sizeof(struct nvme_fc_ersp_iu))) {
1858 if (ql_mask_match(ql_dbg_io)) {
1859 WARN_ONCE(1, "Unexpected response payload length %u.\n",
1860 iocb->u.nvme.rsp_pyld_len);
1861 ql_log(ql_log_warn, fcport->vha, 0x5100,
1862 "Unexpected response payload length %u.\n",
1863 iocb->u.nvme.rsp_pyld_len);
1864 }
1865 iocb->u.nvme.rsp_pyld_len =
1866 sizeof(struct nvme_fc_ersp_iu);
1867 }
1868 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1869 for (; iter; iter--)
1870 *outbuf++ = swab32(*inbuf++);
1871 } else { /* unhandled case */
1872 ql_log(ql_log_warn, fcport->vha, 0x503a,
1873 "NVME-%s error. Unhandled state_flags of %x\n",
1874 sp->name, state_flags);
1875 }
1876
1877 fd->transferred_length = fd->payload_length -
1878 le32_to_cpu(sts->residual_len);
1879
1880 /*
1881 * If transport error then Failure (HBA rejects request)
1882 * otherwise transport will handle.
1883 */
1884 if (sts->entry_status) {
1885 ql_log(ql_log_warn, fcport->vha, 0x5038,
1886 "NVME-%s error - hdl=%x entry-status(%x).\n",
1887 sp->name, sp->handle, sts->entry_status);
1888 ret = QLA_FUNCTION_FAILED;
1889 } else {
1890 switch (le16_to_cpu(sts->comp_status)) {
1891 case CS_COMPLETE:
1892 ret = 0;
1893 break;
1894
1895 case CS_ABORTED:
1896 case CS_RESET:
1897 case CS_PORT_UNAVAILABLE:
1898 case CS_PORT_LOGGED_OUT:
1899 case CS_PORT_BUSY:
1900 ql_log(ql_log_warn, fcport->vha, 0x5060,
1901 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1902 sp->name, sp->handle, sts->comp_status,
1903 le32_to_cpu(sts->residual_len), sts->ox_id);
1904 fd->transferred_length = fd->payload_length;
1905 ret = QLA_ABORTED;
1906 break;
1907
1908 default:
1909 ql_log(ql_log_warn, fcport->vha, 0x5060,
1910 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1911 sp->name, sp->handle, sts->comp_status,
1912 le32_to_cpu(sts->residual_len), sts->ox_id);
1913 ret = QLA_FUNCTION_FAILED;
1914 break;
1915 }
1916 }
1917 sp->done(sp, ret);
1918 }
1919
1920 /**
1921 * qla2x00_process_response_queue() - Process response queue entries.
1922 * @ha: SCSI driver HA context
1923 */
1924 void
qla2x00_process_response_queue(struct rsp_que * rsp)1925 qla2x00_process_response_queue(struct rsp_que *rsp)
1926 {
1927 struct scsi_qla_host *vha;
1928 struct qla_hw_data *ha = rsp->hw;
1929 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1930 sts_entry_t *pkt;
1931 uint16_t handle_cnt;
1932 uint16_t cnt;
1933
1934 vha = pci_get_drvdata(ha->pdev);
1935
1936 if (!vha->flags.online)
1937 return;
1938
1939 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1940 pkt = (sts_entry_t *)rsp->ring_ptr;
1941
1942 rsp->ring_index++;
1943 if (rsp->ring_index == rsp->length) {
1944 rsp->ring_index = 0;
1945 rsp->ring_ptr = rsp->ring;
1946 } else {
1947 rsp->ring_ptr++;
1948 }
1949
1950 if (pkt->entry_status != 0) {
1951 qla2x00_error_entry(vha, rsp, pkt);
1952 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1953 wmb();
1954 continue;
1955 }
1956
1957 switch (pkt->entry_type) {
1958 case STATUS_TYPE:
1959 qla2x00_status_entry(vha, rsp, pkt);
1960 break;
1961 case STATUS_TYPE_21:
1962 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1963 for (cnt = 0; cnt < handle_cnt; cnt++) {
1964 qla2x00_process_completed_request(vha, rsp->req,
1965 ((sts21_entry_t *)pkt)->handle[cnt]);
1966 }
1967 break;
1968 case STATUS_TYPE_22:
1969 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
1970 for (cnt = 0; cnt < handle_cnt; cnt++) {
1971 qla2x00_process_completed_request(vha, rsp->req,
1972 ((sts22_entry_t *)pkt)->handle[cnt]);
1973 }
1974 break;
1975 case STATUS_CONT_TYPE:
1976 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
1977 break;
1978 case MBX_IOCB_TYPE:
1979 qla2x00_mbx_iocb_entry(vha, rsp->req,
1980 (struct mbx_entry *)pkt);
1981 break;
1982 case CT_IOCB_TYPE:
1983 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
1984 break;
1985 default:
1986 /* Type Not Supported. */
1987 ql_log(ql_log_warn, vha, 0x504a,
1988 "Received unknown response pkt type %x "
1989 "entry status=%x.\n",
1990 pkt->entry_type, pkt->entry_status);
1991 break;
1992 }
1993 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1994 wmb();
1995 }
1996
1997 /* Adjust ring index */
1998 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
1999 }
2000
2001 static inline void
qla2x00_handle_sense(srb_t * sp,uint8_t * sense_data,uint32_t par_sense_len,uint32_t sense_len,struct rsp_que * rsp,int res)2002 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2003 uint32_t sense_len, struct rsp_que *rsp, int res)
2004 {
2005 struct scsi_qla_host *vha = sp->vha;
2006 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2007 uint32_t track_sense_len;
2008
2009 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2010 sense_len = SCSI_SENSE_BUFFERSIZE;
2011
2012 SET_CMD_SENSE_LEN(sp, sense_len);
2013 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2014 track_sense_len = sense_len;
2015
2016 if (sense_len > par_sense_len)
2017 sense_len = par_sense_len;
2018
2019 memcpy(cp->sense_buffer, sense_data, sense_len);
2020
2021 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2022 track_sense_len -= sense_len;
2023 SET_CMD_SENSE_LEN(sp, track_sense_len);
2024
2025 if (track_sense_len != 0) {
2026 rsp->status_srb = sp;
2027 cp->result = res;
2028 }
2029
2030 if (sense_len) {
2031 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2032 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2033 sp->vha->host_no, cp->device->id, cp->device->lun,
2034 cp);
2035 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2036 cp->sense_buffer, sense_len);
2037 }
2038 }
2039
2040 struct scsi_dif_tuple {
2041 __be16 guard; /* Checksum */
2042 __be16 app_tag; /* APPL identifier */
2043 __be32 ref_tag; /* Target LBA or indirect LBA */
2044 };
2045
2046 /*
2047 * Checks the guard or meta-data for the type of error
2048 * detected by the HBA. In case of errors, we set the
2049 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2050 * to indicate to the kernel that the HBA detected error.
2051 */
2052 static inline int
qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)2053 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2054 {
2055 struct scsi_qla_host *vha = sp->vha;
2056 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2057 uint8_t *ap = &sts24->data[12];
2058 uint8_t *ep = &sts24->data[20];
2059 uint32_t e_ref_tag, a_ref_tag;
2060 uint16_t e_app_tag, a_app_tag;
2061 uint16_t e_guard, a_guard;
2062
2063 /*
2064 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2065 * would make guard field appear at offset 2
2066 */
2067 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2068 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2069 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2070 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2071 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2072 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2073
2074 ql_dbg(ql_dbg_io, vha, 0x3023,
2075 "iocb(s) %p Returned STATUS.\n", sts24);
2076
2077 ql_dbg(ql_dbg_io, vha, 0x3024,
2078 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2079 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2080 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2081 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2082 a_app_tag, e_app_tag, a_guard, e_guard);
2083
2084 /*
2085 * Ignore sector if:
2086 * For type 3: ref & app tag is all 'f's
2087 * For type 0,1,2: app tag is all 'f's
2088 */
2089 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2090 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2091 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2092 uint32_t blocks_done, resid;
2093 sector_t lba_s = scsi_get_lba(cmd);
2094
2095 /* 2TB boundary case covered automatically with this */
2096 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2097
2098 resid = scsi_bufflen(cmd) - (blocks_done *
2099 cmd->device->sector_size);
2100
2101 scsi_set_resid(cmd, resid);
2102 cmd->result = DID_OK << 16;
2103
2104 /* Update protection tag */
2105 if (scsi_prot_sg_count(cmd)) {
2106 uint32_t i, j = 0, k = 0, num_ent;
2107 struct scatterlist *sg;
2108 struct t10_pi_tuple *spt;
2109
2110 /* Patch the corresponding protection tags */
2111 scsi_for_each_prot_sg(cmd, sg,
2112 scsi_prot_sg_count(cmd), i) {
2113 num_ent = sg_dma_len(sg) / 8;
2114 if (k + num_ent < blocks_done) {
2115 k += num_ent;
2116 continue;
2117 }
2118 j = blocks_done - k - 1;
2119 k = blocks_done;
2120 break;
2121 }
2122
2123 if (k != blocks_done) {
2124 ql_log(ql_log_warn, vha, 0x302f,
2125 "unexpected tag values tag:lba=%x:%llx)\n",
2126 e_ref_tag, (unsigned long long)lba_s);
2127 return 1;
2128 }
2129
2130 spt = page_address(sg_page(sg)) + sg->offset;
2131 spt += j;
2132
2133 spt->app_tag = T10_PI_APP_ESCAPE;
2134 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2135 spt->ref_tag = T10_PI_REF_ESCAPE;
2136 }
2137
2138 return 0;
2139 }
2140
2141 /* check guard */
2142 if (e_guard != a_guard) {
2143 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2144 0x10, 0x1);
2145 set_driver_byte(cmd, DRIVER_SENSE);
2146 set_host_byte(cmd, DID_ABORT);
2147 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2148 return 1;
2149 }
2150
2151 /* check ref tag */
2152 if (e_ref_tag != a_ref_tag) {
2153 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2154 0x10, 0x3);
2155 set_driver_byte(cmd, DRIVER_SENSE);
2156 set_host_byte(cmd, DID_ABORT);
2157 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2158 return 1;
2159 }
2160
2161 /* check appl tag */
2162 if (e_app_tag != a_app_tag) {
2163 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2164 0x10, 0x2);
2165 set_driver_byte(cmd, DRIVER_SENSE);
2166 set_host_byte(cmd, DID_ABORT);
2167 cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
2168 return 1;
2169 }
2170
2171 return 1;
2172 }
2173
2174 static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)2175 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2176 struct req_que *req, uint32_t index)
2177 {
2178 struct qla_hw_data *ha = vha->hw;
2179 srb_t *sp;
2180 uint16_t comp_status;
2181 uint16_t scsi_status;
2182 uint16_t thread_id;
2183 uint32_t rval = EXT_STATUS_OK;
2184 struct bsg_job *bsg_job = NULL;
2185 struct fc_bsg_request *bsg_request;
2186 struct fc_bsg_reply *bsg_reply;
2187 sts_entry_t *sts;
2188 struct sts_entry_24xx *sts24;
2189 sts = (sts_entry_t *) pkt;
2190 sts24 = (struct sts_entry_24xx *) pkt;
2191
2192 /* Validate handle. */
2193 if (index >= req->num_outstanding_cmds) {
2194 ql_log(ql_log_warn, vha, 0x70af,
2195 "Invalid SCSI completion handle 0x%x.\n", index);
2196 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2197 return;
2198 }
2199
2200 sp = req->outstanding_cmds[index];
2201 if (!sp) {
2202 ql_log(ql_log_warn, vha, 0x70b0,
2203 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2204 req->id, index);
2205
2206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2207 return;
2208 }
2209
2210 /* Free outstanding command slot. */
2211 req->outstanding_cmds[index] = NULL;
2212 bsg_job = sp->u.bsg_job;
2213 bsg_request = bsg_job->request;
2214 bsg_reply = bsg_job->reply;
2215
2216 if (IS_FWI2_CAPABLE(ha)) {
2217 comp_status = le16_to_cpu(sts24->comp_status);
2218 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2219 } else {
2220 comp_status = le16_to_cpu(sts->comp_status);
2221 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2222 }
2223
2224 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2225 switch (comp_status) {
2226 case CS_COMPLETE:
2227 if (scsi_status == 0) {
2228 bsg_reply->reply_payload_rcv_len =
2229 bsg_job->reply_payload.payload_len;
2230 vha->qla_stats.input_bytes +=
2231 bsg_reply->reply_payload_rcv_len;
2232 vha->qla_stats.input_requests++;
2233 rval = EXT_STATUS_OK;
2234 }
2235 goto done;
2236
2237 case CS_DATA_OVERRUN:
2238 ql_dbg(ql_dbg_user, vha, 0x70b1,
2239 "Command completed with data overrun thread_id=%d\n",
2240 thread_id);
2241 rval = EXT_STATUS_DATA_OVERRUN;
2242 break;
2243
2244 case CS_DATA_UNDERRUN:
2245 ql_dbg(ql_dbg_user, vha, 0x70b2,
2246 "Command completed with data underrun thread_id=%d\n",
2247 thread_id);
2248 rval = EXT_STATUS_DATA_UNDERRUN;
2249 break;
2250 case CS_BIDIR_RD_OVERRUN:
2251 ql_dbg(ql_dbg_user, vha, 0x70b3,
2252 "Command completed with read data overrun thread_id=%d\n",
2253 thread_id);
2254 rval = EXT_STATUS_DATA_OVERRUN;
2255 break;
2256
2257 case CS_BIDIR_RD_WR_OVERRUN:
2258 ql_dbg(ql_dbg_user, vha, 0x70b4,
2259 "Command completed with read and write data overrun "
2260 "thread_id=%d\n", thread_id);
2261 rval = EXT_STATUS_DATA_OVERRUN;
2262 break;
2263
2264 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2265 ql_dbg(ql_dbg_user, vha, 0x70b5,
2266 "Command completed with read data over and write data "
2267 "underrun thread_id=%d\n", thread_id);
2268 rval = EXT_STATUS_DATA_OVERRUN;
2269 break;
2270
2271 case CS_BIDIR_RD_UNDERRUN:
2272 ql_dbg(ql_dbg_user, vha, 0x70b6,
2273 "Command completed with read data underrun "
2274 "thread_id=%d\n", thread_id);
2275 rval = EXT_STATUS_DATA_UNDERRUN;
2276 break;
2277
2278 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2279 ql_dbg(ql_dbg_user, vha, 0x70b7,
2280 "Command completed with read data under and write data "
2281 "overrun thread_id=%d\n", thread_id);
2282 rval = EXT_STATUS_DATA_UNDERRUN;
2283 break;
2284
2285 case CS_BIDIR_RD_WR_UNDERRUN:
2286 ql_dbg(ql_dbg_user, vha, 0x70b8,
2287 "Command completed with read and write data underrun "
2288 "thread_id=%d\n", thread_id);
2289 rval = EXT_STATUS_DATA_UNDERRUN;
2290 break;
2291
2292 case CS_BIDIR_DMA:
2293 ql_dbg(ql_dbg_user, vha, 0x70b9,
2294 "Command completed with data DMA error thread_id=%d\n",
2295 thread_id);
2296 rval = EXT_STATUS_DMA_ERR;
2297 break;
2298
2299 case CS_TIMEOUT:
2300 ql_dbg(ql_dbg_user, vha, 0x70ba,
2301 "Command completed with timeout thread_id=%d\n",
2302 thread_id);
2303 rval = EXT_STATUS_TIMEOUT;
2304 break;
2305 default:
2306 ql_dbg(ql_dbg_user, vha, 0x70bb,
2307 "Command completed with completion status=0x%x "
2308 "thread_id=%d\n", comp_status, thread_id);
2309 rval = EXT_STATUS_ERR;
2310 break;
2311 }
2312 bsg_reply->reply_payload_rcv_len = 0;
2313
2314 done:
2315 /* Return the vendor specific reply to API */
2316 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2317 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2318 /* Always return DID_OK, bsg will send the vendor specific response
2319 * in this case only */
2320 sp->done(sp, DID_OK << 6);
2321
2322 }
2323
2324 /**
2325 * qla2x00_status_entry() - Process a Status IOCB entry.
2326 * @ha: SCSI driver HA context
2327 * @pkt: Entry pointer
2328 */
2329 static void
qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)2330 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2331 {
2332 srb_t *sp;
2333 fc_port_t *fcport;
2334 struct scsi_cmnd *cp;
2335 sts_entry_t *sts;
2336 struct sts_entry_24xx *sts24;
2337 uint16_t comp_status;
2338 uint16_t scsi_status;
2339 uint16_t ox_id;
2340 uint8_t lscsi_status;
2341 int32_t resid;
2342 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2343 fw_resid_len;
2344 uint8_t *rsp_info, *sense_data;
2345 struct qla_hw_data *ha = vha->hw;
2346 uint32_t handle;
2347 uint16_t que;
2348 struct req_que *req;
2349 int logit = 1;
2350 int res = 0;
2351 uint16_t state_flags = 0;
2352 uint16_t retry_delay = 0;
2353
2354 sts = (sts_entry_t *) pkt;
2355 sts24 = (struct sts_entry_24xx *) pkt;
2356 if (IS_FWI2_CAPABLE(ha)) {
2357 comp_status = le16_to_cpu(sts24->comp_status);
2358 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2359 state_flags = le16_to_cpu(sts24->state_flags);
2360 } else {
2361 comp_status = le16_to_cpu(sts->comp_status);
2362 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2363 }
2364 handle = (uint32_t) LSW(sts->handle);
2365 que = MSW(sts->handle);
2366 req = ha->req_q_map[que];
2367
2368 /* Check for invalid queue pointer */
2369 if (req == NULL ||
2370 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2371 ql_dbg(ql_dbg_io, vha, 0x3059,
2372 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2373 "que=%u.\n", sts->handle, req, que);
2374 return;
2375 }
2376
2377 /* Validate handle. */
2378 if (handle < req->num_outstanding_cmds) {
2379 sp = req->outstanding_cmds[handle];
2380 if (!sp) {
2381 ql_dbg(ql_dbg_io, vha, 0x3075,
2382 "%s(%ld): Already returned command for status handle (0x%x).\n",
2383 __func__, vha->host_no, sts->handle);
2384 return;
2385 }
2386 } else {
2387 ql_dbg(ql_dbg_io, vha, 0x3017,
2388 "Invalid status handle, out of range (0x%x).\n",
2389 sts->handle);
2390
2391 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2392 if (IS_P3P_TYPE(ha))
2393 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2394 else
2395 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2396 qla2xxx_wake_dpc(vha);
2397 }
2398 return;
2399 }
2400
2401 if (sp->cmd_type != TYPE_SRB) {
2402 req->outstanding_cmds[handle] = NULL;
2403 ql_dbg(ql_dbg_io, vha, 0x3015,
2404 "Unknown sp->cmd_type %x %p).\n",
2405 sp->cmd_type, sp);
2406 return;
2407 }
2408
2409 /* NVME completion. */
2410 if (sp->type == SRB_NVME_CMD) {
2411 qla24xx_nvme_iocb_entry(vha, req, pkt);
2412 return;
2413 }
2414
2415 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2416 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2417 return;
2418 }
2419
2420 /* Task Management completion. */
2421 if (sp->type == SRB_TM_CMD) {
2422 qla24xx_tm_iocb_entry(vha, req, pkt);
2423 return;
2424 }
2425
2426 /* Fast path completion. */
2427 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2428 qla2x00_process_completed_request(vha, req, handle);
2429
2430 return;
2431 }
2432
2433 req->outstanding_cmds[handle] = NULL;
2434 cp = GET_CMD_SP(sp);
2435 if (cp == NULL) {
2436 ql_dbg(ql_dbg_io, vha, 0x3018,
2437 "Command already returned (0x%x/%p).\n",
2438 sts->handle, sp);
2439
2440 return;
2441 }
2442
2443 lscsi_status = scsi_status & STATUS_MASK;
2444
2445 fcport = sp->fcport;
2446
2447 ox_id = 0;
2448 sense_len = par_sense_len = rsp_info_len = resid_len =
2449 fw_resid_len = 0;
2450 if (IS_FWI2_CAPABLE(ha)) {
2451 if (scsi_status & SS_SENSE_LEN_VALID)
2452 sense_len = le32_to_cpu(sts24->sense_len);
2453 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2454 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2455 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2456 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2457 if (comp_status == CS_DATA_UNDERRUN)
2458 fw_resid_len = le32_to_cpu(sts24->residual_len);
2459 rsp_info = sts24->data;
2460 sense_data = sts24->data;
2461 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2462 ox_id = le16_to_cpu(sts24->ox_id);
2463 par_sense_len = sizeof(sts24->data);
2464 /* Valid values of the retry delay timer are 0x1-0xffef */
2465 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2466 retry_delay = sts24->retry_delay & 0x3fff;
2467 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2468 "%s: scope=%#x retry_delay=%#x\n", __func__,
2469 sts24->retry_delay >> 14, retry_delay);
2470 }
2471 } else {
2472 if (scsi_status & SS_SENSE_LEN_VALID)
2473 sense_len = le16_to_cpu(sts->req_sense_length);
2474 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2475 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2476 resid_len = le32_to_cpu(sts->residual_length);
2477 rsp_info = sts->rsp_info;
2478 sense_data = sts->req_sense_data;
2479 par_sense_len = sizeof(sts->req_sense_data);
2480 }
2481
2482 /* Check for any FCP transport errors. */
2483 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2484 /* Sense data lies beyond any FCP RESPONSE data. */
2485 if (IS_FWI2_CAPABLE(ha)) {
2486 sense_data += rsp_info_len;
2487 par_sense_len -= rsp_info_len;
2488 }
2489 if (rsp_info_len > 3 && rsp_info[3]) {
2490 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2491 "FCP I/O protocol failure (0x%x/0x%x).\n",
2492 rsp_info_len, rsp_info[3]);
2493
2494 res = DID_BUS_BUSY << 16;
2495 goto out;
2496 }
2497 }
2498
2499 /* Check for overrun. */
2500 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2501 scsi_status & SS_RESIDUAL_OVER)
2502 comp_status = CS_DATA_OVERRUN;
2503
2504 /*
2505 * Check retry_delay_timer value if we receive a busy or
2506 * queue full.
2507 */
2508 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2509 lscsi_status == SAM_STAT_BUSY)
2510 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2511
2512 /*
2513 * Based on Host and scsi status generate status code for Linux
2514 */
2515 switch (comp_status) {
2516 case CS_COMPLETE:
2517 case CS_QUEUE_FULL:
2518 if (scsi_status == 0) {
2519 res = DID_OK << 16;
2520 break;
2521 }
2522 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2523 resid = resid_len;
2524 scsi_set_resid(cp, resid);
2525
2526 if (!lscsi_status &&
2527 ((unsigned)(scsi_bufflen(cp) - resid) <
2528 cp->underflow)) {
2529 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2530 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2531 resid, scsi_bufflen(cp));
2532
2533 res = DID_ERROR << 16;
2534 break;
2535 }
2536 }
2537 res = DID_OK << 16 | lscsi_status;
2538
2539 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2540 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2541 "QUEUE FULL detected.\n");
2542 break;
2543 }
2544 logit = 0;
2545 if (lscsi_status != SS_CHECK_CONDITION)
2546 break;
2547
2548 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2549 if (!(scsi_status & SS_SENSE_LEN_VALID))
2550 break;
2551
2552 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2553 rsp, res);
2554 break;
2555
2556 case CS_DATA_UNDERRUN:
2557 /* Use F/W calculated residual length. */
2558 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2559 scsi_set_resid(cp, resid);
2560 if (scsi_status & SS_RESIDUAL_UNDER) {
2561 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2562 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2563 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2564 resid, scsi_bufflen(cp));
2565
2566 res = DID_ERROR << 16 | lscsi_status;
2567 goto check_scsi_status;
2568 }
2569
2570 if (!lscsi_status &&
2571 ((unsigned)(scsi_bufflen(cp) - resid) <
2572 cp->underflow)) {
2573 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2574 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2575 resid, scsi_bufflen(cp));
2576
2577 res = DID_ERROR << 16;
2578 break;
2579 }
2580 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2581 lscsi_status != SAM_STAT_BUSY) {
2582 /*
2583 * scsi status of task set and busy are considered to be
2584 * task not completed.
2585 */
2586
2587 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2588 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2589 resid, scsi_bufflen(cp));
2590
2591 res = DID_ERROR << 16 | lscsi_status;
2592 goto check_scsi_status;
2593 } else {
2594 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2595 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2596 scsi_status, lscsi_status);
2597 }
2598
2599 res = DID_OK << 16 | lscsi_status;
2600 logit = 0;
2601
2602 check_scsi_status:
2603 /*
2604 * Check to see if SCSI Status is non zero. If so report SCSI
2605 * Status.
2606 */
2607 if (lscsi_status != 0) {
2608 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2609 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2610 "QUEUE FULL detected.\n");
2611 logit = 1;
2612 break;
2613 }
2614 if (lscsi_status != SS_CHECK_CONDITION)
2615 break;
2616
2617 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2618 if (!(scsi_status & SS_SENSE_LEN_VALID))
2619 break;
2620
2621 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2622 sense_len, rsp, res);
2623 }
2624 break;
2625
2626 case CS_PORT_LOGGED_OUT:
2627 case CS_PORT_CONFIG_CHG:
2628 case CS_PORT_BUSY:
2629 case CS_INCOMPLETE:
2630 case CS_PORT_UNAVAILABLE:
2631 case CS_TIMEOUT:
2632 case CS_RESET:
2633
2634 /*
2635 * We are going to have the fc class block the rport
2636 * while we try to recover so instruct the mid layer
2637 * to requeue until the class decides how to handle this.
2638 */
2639 res = DID_TRANSPORT_DISRUPTED << 16;
2640
2641 if (comp_status == CS_TIMEOUT) {
2642 if (IS_FWI2_CAPABLE(ha))
2643 break;
2644 else if ((le16_to_cpu(sts->status_flags) &
2645 SF_LOGOUT_SENT) == 0)
2646 break;
2647 }
2648
2649 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2650 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2651 "Port to be marked lost on fcport=%02x%02x%02x, current "
2652 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2653 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2654 port_state_str[atomic_read(&fcport->state)],
2655 comp_status);
2656
2657 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2658 qlt_schedule_sess_for_deletion_lock(fcport);
2659 }
2660
2661 break;
2662
2663 case CS_ABORTED:
2664 res = DID_RESET << 16;
2665 break;
2666
2667 case CS_DIF_ERROR:
2668 logit = qla2x00_handle_dif_error(sp, sts24);
2669 res = cp->result;
2670 break;
2671
2672 case CS_TRANSPORT:
2673 res = DID_ERROR << 16;
2674
2675 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2676 break;
2677
2678 if (state_flags & BIT_4)
2679 scmd_printk(KERN_WARNING, cp,
2680 "Unsupported device '%s' found.\n",
2681 cp->device->vendor);
2682 break;
2683
2684 default:
2685 res = DID_ERROR << 16;
2686 break;
2687 }
2688
2689 out:
2690 if (logit)
2691 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2692 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2693 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2694 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2695 comp_status, scsi_status, res, vha->host_no,
2696 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2697 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2698 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2699 resid_len, fw_resid_len, sp, cp);
2700
2701 if (rsp->status_srb == NULL)
2702 sp->done(sp, res);
2703 }
2704
2705 /**
2706 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2707 * @ha: SCSI driver HA context
2708 * @pkt: Entry pointer
2709 *
2710 * Extended sense data.
2711 */
2712 static void
qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)2713 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2714 {
2715 uint8_t sense_sz = 0;
2716 struct qla_hw_data *ha = rsp->hw;
2717 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2718 srb_t *sp = rsp->status_srb;
2719 struct scsi_cmnd *cp;
2720 uint32_t sense_len;
2721 uint8_t *sense_ptr;
2722
2723 if (!sp || !GET_CMD_SENSE_LEN(sp))
2724 return;
2725
2726 sense_len = GET_CMD_SENSE_LEN(sp);
2727 sense_ptr = GET_CMD_SENSE_PTR(sp);
2728
2729 cp = GET_CMD_SP(sp);
2730 if (cp == NULL) {
2731 ql_log(ql_log_warn, vha, 0x3025,
2732 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2733
2734 rsp->status_srb = NULL;
2735 return;
2736 }
2737
2738 if (sense_len > sizeof(pkt->data))
2739 sense_sz = sizeof(pkt->data);
2740 else
2741 sense_sz = sense_len;
2742
2743 /* Move sense data. */
2744 if (IS_FWI2_CAPABLE(ha))
2745 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2746 memcpy(sense_ptr, pkt->data, sense_sz);
2747 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2748 sense_ptr, sense_sz);
2749
2750 sense_len -= sense_sz;
2751 sense_ptr += sense_sz;
2752
2753 SET_CMD_SENSE_PTR(sp, sense_ptr);
2754 SET_CMD_SENSE_LEN(sp, sense_len);
2755
2756 /* Place command on done queue. */
2757 if (sense_len == 0) {
2758 rsp->status_srb = NULL;
2759 sp->done(sp, cp->result);
2760 }
2761 }
2762
2763 /**
2764 * qla2x00_error_entry() - Process an error entry.
2765 * @ha: SCSI driver HA context
2766 * @pkt: Entry pointer
2767 * return : 1=allow further error analysis. 0=no additional error analysis.
2768 */
2769 static int
qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)2770 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2771 {
2772 srb_t *sp;
2773 struct qla_hw_data *ha = vha->hw;
2774 const char func[] = "ERROR-IOCB";
2775 uint16_t que = MSW(pkt->handle);
2776 struct req_que *req = NULL;
2777 int res = DID_ERROR << 16;
2778
2779 ql_dbg(ql_dbg_async, vha, 0x502a,
2780 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2781 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2782
2783 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2784 goto fatal;
2785
2786 req = ha->req_q_map[que];
2787
2788 if (pkt->entry_status & RF_BUSY)
2789 res = DID_BUS_BUSY << 16;
2790
2791 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2792 return 0;
2793
2794 switch (pkt->entry_type) {
2795 case NOTIFY_ACK_TYPE:
2796 case STATUS_TYPE:
2797 case STATUS_CONT_TYPE:
2798 case LOGINOUT_PORT_IOCB_TYPE:
2799 case CT_IOCB_TYPE:
2800 case ELS_IOCB_TYPE:
2801 case ABORT_IOCB_TYPE:
2802 case MBX_IOCB_TYPE:
2803 default:
2804 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2805 if (sp) {
2806 sp->done(sp, res);
2807 return 0;
2808 }
2809 break;
2810
2811 case ABTS_RESP_24XX:
2812 case CTIO_TYPE7:
2813 case CTIO_CRC2:
2814 return 1;
2815 }
2816 fatal:
2817 ql_log(ql_log_warn, vha, 0x5030,
2818 "Error entry - invalid handle/queue (%04x).\n", que);
2819 return 0;
2820 }
2821
2822 /**
2823 * qla24xx_mbx_completion() - Process mailbox command completions.
2824 * @ha: SCSI driver HA context
2825 * @mb0: Mailbox0 register
2826 */
2827 static void
qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)2828 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2829 {
2830 uint16_t cnt;
2831 uint32_t mboxes;
2832 uint16_t __iomem *wptr;
2833 struct qla_hw_data *ha = vha->hw;
2834 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2835
2836 /* Read all mbox registers? */
2837 WARN_ON_ONCE(ha->mbx_count > 32);
2838 mboxes = (1ULL << ha->mbx_count) - 1;
2839 if (!ha->mcp)
2840 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2841 else
2842 mboxes = ha->mcp->in_mb;
2843
2844 /* Load return mailbox registers. */
2845 ha->flags.mbox_int = 1;
2846 ha->mailbox_out[0] = mb0;
2847 mboxes >>= 1;
2848 wptr = (uint16_t __iomem *)®->mailbox1;
2849
2850 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2851 if (mboxes & BIT_0)
2852 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2853
2854 mboxes >>= 1;
2855 wptr++;
2856 }
2857 }
2858
2859 static void
qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)2860 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2861 struct abort_entry_24xx *pkt)
2862 {
2863 const char func[] = "ABT_IOCB";
2864 srb_t *sp;
2865 struct srb_iocb *abt;
2866
2867 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2868 if (!sp)
2869 return;
2870
2871 abt = &sp->u.iocb_cmd;
2872 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2873 sp->done(sp, 0);
2874 }
2875
qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)2876 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2877 struct pt_ls4_request *pkt, struct req_que *req)
2878 {
2879 srb_t *sp;
2880 const char func[] = "LS4_IOCB";
2881 uint16_t comp_status;
2882
2883 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2884 if (!sp)
2885 return;
2886
2887 comp_status = le16_to_cpu(pkt->status);
2888 sp->done(sp, comp_status);
2889 }
2890
2891 /**
2892 * qla24xx_process_response_queue() - Process response queue entries.
2893 * @ha: SCSI driver HA context
2894 */
qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)2895 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2896 struct rsp_que *rsp)
2897 {
2898 struct sts_entry_24xx *pkt;
2899 struct qla_hw_data *ha = vha->hw;
2900
2901 if (!ha->flags.fw_started)
2902 return;
2903
2904 if (rsp->qpair->cpuid != smp_processor_id())
2905 qla_cpu_update(rsp->qpair, smp_processor_id());
2906
2907 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2908 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2909
2910 rsp->ring_index++;
2911 if (rsp->ring_index == rsp->length) {
2912 rsp->ring_index = 0;
2913 rsp->ring_ptr = rsp->ring;
2914 } else {
2915 rsp->ring_ptr++;
2916 }
2917
2918 if (pkt->entry_status != 0) {
2919 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2920 goto process_err;
2921
2922 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2923 wmb();
2924 continue;
2925 }
2926 process_err:
2927
2928 switch (pkt->entry_type) {
2929 case STATUS_TYPE:
2930 qla2x00_status_entry(vha, rsp, pkt);
2931 break;
2932 case STATUS_CONT_TYPE:
2933 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2934 break;
2935 case VP_RPT_ID_IOCB_TYPE:
2936 qla24xx_report_id_acquisition(vha,
2937 (struct vp_rpt_id_entry_24xx *)pkt);
2938 break;
2939 case LOGINOUT_PORT_IOCB_TYPE:
2940 qla24xx_logio_entry(vha, rsp->req,
2941 (struct logio_entry_24xx *)pkt);
2942 break;
2943 case CT_IOCB_TYPE:
2944 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2945 break;
2946 case ELS_IOCB_TYPE:
2947 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2948 break;
2949 case ABTS_RECV_24XX:
2950 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2951 /* ensure that the ATIO queue is empty */
2952 qlt_handle_abts_recv(vha, rsp,
2953 (response_t *)pkt);
2954 break;
2955 } else {
2956 /* drop through */
2957 qlt_24xx_process_atio_queue(vha, 1);
2958 }
2959 case ABTS_RESP_24XX:
2960 case CTIO_TYPE7:
2961 case CTIO_CRC2:
2962 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
2963 break;
2964 case PT_LS4_REQUEST:
2965 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
2966 rsp->req);
2967 break;
2968 case NOTIFY_ACK_TYPE:
2969 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
2970 qlt_response_pkt_all_vps(vha, rsp,
2971 (response_t *)pkt);
2972 else
2973 qla24xxx_nack_iocb_entry(vha, rsp->req,
2974 (struct nack_to_isp *)pkt);
2975 break;
2976 case MARKER_TYPE:
2977 /* Do nothing in this case, this check is to prevent it
2978 * from falling into default case
2979 */
2980 break;
2981 case ABORT_IOCB_TYPE:
2982 qla24xx_abort_iocb_entry(vha, rsp->req,
2983 (struct abort_entry_24xx *)pkt);
2984 break;
2985 case MBX_IOCB_TYPE:
2986 qla24xx_mbx_iocb_entry(vha, rsp->req,
2987 (struct mbx_24xx_entry *)pkt);
2988 break;
2989 default:
2990 /* Type Not Supported. */
2991 ql_dbg(ql_dbg_async, vha, 0x5042,
2992 "Received unknown response pkt type %x "
2993 "entry status=%x.\n",
2994 pkt->entry_type, pkt->entry_status);
2995 break;
2996 }
2997 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2998 wmb();
2999 }
3000
3001 /* Adjust ring index */
3002 if (IS_P3P_TYPE(ha)) {
3003 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3004 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
3005 } else {
3006 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3007 }
3008 }
3009
3010 static void
qla2xxx_check_risc_status(scsi_qla_host_t * vha)3011 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3012 {
3013 int rval;
3014 uint32_t cnt;
3015 struct qla_hw_data *ha = vha->hw;
3016 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3017
3018 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3019 !IS_QLA27XX(ha))
3020 return;
3021
3022 rval = QLA_SUCCESS;
3023 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
3024 RD_REG_DWORD(®->iobase_addr);
3025 WRT_REG_DWORD(®->iobase_window, 0x0001);
3026 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3027 rval == QLA_SUCCESS; cnt--) {
3028 if (cnt) {
3029 WRT_REG_DWORD(®->iobase_window, 0x0001);
3030 udelay(10);
3031 } else
3032 rval = QLA_FUNCTION_TIMEOUT;
3033 }
3034 if (rval == QLA_SUCCESS)
3035 goto next_test;
3036
3037 rval = QLA_SUCCESS;
3038 WRT_REG_DWORD(®->iobase_window, 0x0003);
3039 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3040 rval == QLA_SUCCESS; cnt--) {
3041 if (cnt) {
3042 WRT_REG_DWORD(®->iobase_window, 0x0003);
3043 udelay(10);
3044 } else
3045 rval = QLA_FUNCTION_TIMEOUT;
3046 }
3047 if (rval != QLA_SUCCESS)
3048 goto done;
3049
3050 next_test:
3051 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
3052 ql_log(ql_log_info, vha, 0x504c,
3053 "Additional code -- 0x55AA.\n");
3054
3055 done:
3056 WRT_REG_DWORD(®->iobase_window, 0x0000);
3057 RD_REG_DWORD(®->iobase_window);
3058 }
3059
3060 /**
3061 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3062 * @irq:
3063 * @dev_id: SCSI driver HA context
3064 *
3065 * Called by system whenever the host adapter generates an interrupt.
3066 *
3067 * Returns handled flag.
3068 */
3069 irqreturn_t
qla24xx_intr_handler(int irq,void * dev_id)3070 qla24xx_intr_handler(int irq, void *dev_id)
3071 {
3072 scsi_qla_host_t *vha;
3073 struct qla_hw_data *ha;
3074 struct device_reg_24xx __iomem *reg;
3075 int status;
3076 unsigned long iter;
3077 uint32_t stat;
3078 uint32_t hccr;
3079 uint16_t mb[8];
3080 struct rsp_que *rsp;
3081 unsigned long flags;
3082
3083 rsp = (struct rsp_que *) dev_id;
3084 if (!rsp) {
3085 ql_log(ql_log_info, NULL, 0x5059,
3086 "%s: NULL response queue pointer.\n", __func__);
3087 return IRQ_NONE;
3088 }
3089
3090 ha = rsp->hw;
3091 reg = &ha->iobase->isp24;
3092 status = 0;
3093
3094 if (unlikely(pci_channel_offline(ha->pdev)))
3095 return IRQ_HANDLED;
3096
3097 spin_lock_irqsave(&ha->hardware_lock, flags);
3098 vha = pci_get_drvdata(ha->pdev);
3099 for (iter = 50; iter--; ) {
3100 stat = RD_REG_DWORD(®->host_status);
3101 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3102 break;
3103 if (stat & HSRX_RISC_PAUSED) {
3104 if (unlikely(pci_channel_offline(ha->pdev)))
3105 break;
3106
3107 hccr = RD_REG_DWORD(®->hccr);
3108
3109 ql_log(ql_log_warn, vha, 0x504b,
3110 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3111 hccr);
3112
3113 qla2xxx_check_risc_status(vha);
3114
3115 ha->isp_ops->fw_dump(vha, 1);
3116 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3117 break;
3118 } else if ((stat & HSRX_RISC_INT) == 0)
3119 break;
3120
3121 switch (stat & 0xff) {
3122 case INTR_ROM_MB_SUCCESS:
3123 case INTR_ROM_MB_FAILED:
3124 case INTR_MB_SUCCESS:
3125 case INTR_MB_FAILED:
3126 qla24xx_mbx_completion(vha, MSW(stat));
3127 status |= MBX_INTERRUPT;
3128
3129 break;
3130 case INTR_ASYNC_EVENT:
3131 mb[0] = MSW(stat);
3132 mb[1] = RD_REG_WORD(®->mailbox1);
3133 mb[2] = RD_REG_WORD(®->mailbox2);
3134 mb[3] = RD_REG_WORD(®->mailbox3);
3135 qla2x00_async_event(vha, rsp, mb);
3136 break;
3137 case INTR_RSP_QUE_UPDATE:
3138 case INTR_RSP_QUE_UPDATE_83XX:
3139 qla24xx_process_response_queue(vha, rsp);
3140 break;
3141 case INTR_ATIO_QUE_UPDATE:{
3142 unsigned long flags2;
3143 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3144 qlt_24xx_process_atio_queue(vha, 1);
3145 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3146 break;
3147 }
3148 case INTR_ATIO_RSP_QUE_UPDATE: {
3149 unsigned long flags2;
3150 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3151 qlt_24xx_process_atio_queue(vha, 1);
3152 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3153
3154 qla24xx_process_response_queue(vha, rsp);
3155 break;
3156 }
3157 default:
3158 ql_dbg(ql_dbg_async, vha, 0x504f,
3159 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3160 break;
3161 }
3162 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3163 RD_REG_DWORD_RELAXED(®->hccr);
3164 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3165 ndelay(3500);
3166 }
3167 qla2x00_handle_mbx_completion(ha, status);
3168 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3169
3170 return IRQ_HANDLED;
3171 }
3172
3173 static irqreturn_t
qla24xx_msix_rsp_q(int irq,void * dev_id)3174 qla24xx_msix_rsp_q(int irq, void *dev_id)
3175 {
3176 struct qla_hw_data *ha;
3177 struct rsp_que *rsp;
3178 struct device_reg_24xx __iomem *reg;
3179 struct scsi_qla_host *vha;
3180 unsigned long flags;
3181
3182 rsp = (struct rsp_que *) dev_id;
3183 if (!rsp) {
3184 ql_log(ql_log_info, NULL, 0x505a,
3185 "%s: NULL response queue pointer.\n", __func__);
3186 return IRQ_NONE;
3187 }
3188 ha = rsp->hw;
3189 reg = &ha->iobase->isp24;
3190
3191 spin_lock_irqsave(&ha->hardware_lock, flags);
3192
3193 vha = pci_get_drvdata(ha->pdev);
3194 qla24xx_process_response_queue(vha, rsp);
3195 if (!ha->flags.disable_msix_handshake) {
3196 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3197 RD_REG_DWORD_RELAXED(®->hccr);
3198 }
3199 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3200
3201 return IRQ_HANDLED;
3202 }
3203
3204 static irqreturn_t
qla24xx_msix_default(int irq,void * dev_id)3205 qla24xx_msix_default(int irq, void *dev_id)
3206 {
3207 scsi_qla_host_t *vha;
3208 struct qla_hw_data *ha;
3209 struct rsp_que *rsp;
3210 struct device_reg_24xx __iomem *reg;
3211 int status;
3212 uint32_t stat;
3213 uint32_t hccr;
3214 uint16_t mb[8];
3215 unsigned long flags;
3216
3217 rsp = (struct rsp_que *) dev_id;
3218 if (!rsp) {
3219 ql_log(ql_log_info, NULL, 0x505c,
3220 "%s: NULL response queue pointer.\n", __func__);
3221 return IRQ_NONE;
3222 }
3223 ha = rsp->hw;
3224 reg = &ha->iobase->isp24;
3225 status = 0;
3226
3227 spin_lock_irqsave(&ha->hardware_lock, flags);
3228 vha = pci_get_drvdata(ha->pdev);
3229 do {
3230 stat = RD_REG_DWORD(®->host_status);
3231 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3232 break;
3233 if (stat & HSRX_RISC_PAUSED) {
3234 if (unlikely(pci_channel_offline(ha->pdev)))
3235 break;
3236
3237 hccr = RD_REG_DWORD(®->hccr);
3238
3239 ql_log(ql_log_info, vha, 0x5050,
3240 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3241 hccr);
3242
3243 qla2xxx_check_risc_status(vha);
3244
3245 ha->isp_ops->fw_dump(vha, 1);
3246 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3247 break;
3248 } else if ((stat & HSRX_RISC_INT) == 0)
3249 break;
3250
3251 switch (stat & 0xff) {
3252 case INTR_ROM_MB_SUCCESS:
3253 case INTR_ROM_MB_FAILED:
3254 case INTR_MB_SUCCESS:
3255 case INTR_MB_FAILED:
3256 qla24xx_mbx_completion(vha, MSW(stat));
3257 status |= MBX_INTERRUPT;
3258
3259 break;
3260 case INTR_ASYNC_EVENT:
3261 mb[0] = MSW(stat);
3262 mb[1] = RD_REG_WORD(®->mailbox1);
3263 mb[2] = RD_REG_WORD(®->mailbox2);
3264 mb[3] = RD_REG_WORD(®->mailbox3);
3265 qla2x00_async_event(vha, rsp, mb);
3266 break;
3267 case INTR_RSP_QUE_UPDATE:
3268 case INTR_RSP_QUE_UPDATE_83XX:
3269 qla24xx_process_response_queue(vha, rsp);
3270 break;
3271 case INTR_ATIO_QUE_UPDATE:{
3272 unsigned long flags2;
3273 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3274 qlt_24xx_process_atio_queue(vha, 1);
3275 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3276 break;
3277 }
3278 case INTR_ATIO_RSP_QUE_UPDATE: {
3279 unsigned long flags2;
3280 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3281 qlt_24xx_process_atio_queue(vha, 1);
3282 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3283
3284 qla24xx_process_response_queue(vha, rsp);
3285 break;
3286 }
3287 default:
3288 ql_dbg(ql_dbg_async, vha, 0x5051,
3289 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3290 break;
3291 }
3292 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3293 } while (0);
3294 qla2x00_handle_mbx_completion(ha, status);
3295 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3296
3297 return IRQ_HANDLED;
3298 }
3299
3300 irqreturn_t
qla2xxx_msix_rsp_q(int irq,void * dev_id)3301 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3302 {
3303 struct qla_hw_data *ha;
3304 struct qla_qpair *qpair;
3305 struct device_reg_24xx __iomem *reg;
3306 unsigned long flags;
3307
3308 qpair = dev_id;
3309 if (!qpair) {
3310 ql_log(ql_log_info, NULL, 0x505b,
3311 "%s: NULL response queue pointer.\n", __func__);
3312 return IRQ_NONE;
3313 }
3314 ha = qpair->hw;
3315
3316 /* Clear the interrupt, if enabled, for this response queue */
3317 if (unlikely(!ha->flags.disable_msix_handshake)) {
3318 reg = &ha->iobase->isp24;
3319 spin_lock_irqsave(&ha->hardware_lock, flags);
3320 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3321 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3322 }
3323
3324 queue_work(ha->wq, &qpair->q_work);
3325
3326 return IRQ_HANDLED;
3327 }
3328
3329 /* Interrupt handling helpers. */
3330
3331 struct qla_init_msix_entry {
3332 const char *name;
3333 irq_handler_t handler;
3334 };
3335
3336 static const struct qla_init_msix_entry msix_entries[] = {
3337 { "default", qla24xx_msix_default },
3338 { "rsp_q", qla24xx_msix_rsp_q },
3339 { "atio_q", qla83xx_msix_atio_q },
3340 { "qpair_multiq", qla2xxx_msix_rsp_q },
3341 };
3342
3343 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3344 { "qla2xxx (default)", qla82xx_msix_default },
3345 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3346 };
3347
3348 static int
qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)3349 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3350 {
3351 int i, ret;
3352 struct qla_msix_entry *qentry;
3353 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3354 int min_vecs = QLA_BASE_VECTORS;
3355 struct irq_affinity desc = {
3356 .pre_vectors = QLA_BASE_VECTORS,
3357 };
3358
3359 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3360 desc.pre_vectors++;
3361 min_vecs++;
3362 }
3363
3364 if (USER_CTRL_IRQ(ha)) {
3365 /* user wants to control IRQ setting for target mode */
3366 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3367 ha->msix_count, PCI_IRQ_MSIX);
3368 } else
3369 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3370 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3371 &desc);
3372
3373 if (ret < 0) {
3374 ql_log(ql_log_fatal, vha, 0x00c7,
3375 "MSI-X: Failed to enable support, "
3376 "giving up -- %d/%d.\n",
3377 ha->msix_count, ret);
3378 goto msix_out;
3379 } else if (ret < ha->msix_count) {
3380 ql_log(ql_log_info, vha, 0x00c6,
3381 "MSI-X: Using %d vectors\n", ret);
3382 ha->msix_count = ret;
3383 /* Recalculate queue values */
3384 if (ha->mqiobase && ql2xmqsupport) {
3385 ha->max_req_queues = ha->msix_count - 1;
3386
3387 /* ATIOQ needs 1 vector. That's 1 less QPair */
3388 if (QLA_TGT_MODE_ENABLED())
3389 ha->max_req_queues--;
3390
3391 ha->max_rsp_queues = ha->max_req_queues;
3392
3393 ha->max_qpairs = ha->max_req_queues - 1;
3394 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3395 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3396 }
3397 }
3398 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
3399 ha->msix_count, GFP_KERNEL);
3400 if (!ha->msix_entries) {
3401 ql_log(ql_log_fatal, vha, 0x00c8,
3402 "Failed to allocate memory for ha->msix_entries.\n");
3403 ret = -ENOMEM;
3404 goto free_irqs;
3405 }
3406 ha->flags.msix_enabled = 1;
3407
3408 for (i = 0; i < ha->msix_count; i++) {
3409 qentry = &ha->msix_entries[i];
3410 qentry->vector = pci_irq_vector(ha->pdev, i);
3411 qentry->entry = i;
3412 qentry->have_irq = 0;
3413 qentry->in_use = 0;
3414 qentry->handle = NULL;
3415 }
3416
3417 /* Enable MSI-X vectors for the base queue */
3418 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3419 qentry = &ha->msix_entries[i];
3420 qentry->handle = rsp;
3421 rsp->msix = qentry;
3422 scnprintf(qentry->name, sizeof(qentry->name),
3423 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3424 if (IS_P3P_TYPE(ha))
3425 ret = request_irq(qentry->vector,
3426 qla82xx_msix_entries[i].handler,
3427 0, qla82xx_msix_entries[i].name, rsp);
3428 else
3429 ret = request_irq(qentry->vector,
3430 msix_entries[i].handler,
3431 0, qentry->name, rsp);
3432 if (ret)
3433 goto msix_register_fail;
3434 qentry->have_irq = 1;
3435 qentry->in_use = 1;
3436 }
3437
3438 /*
3439 * If target mode is enable, also request the vector for the ATIO
3440 * queue.
3441 */
3442 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
3443 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3444 rsp->msix = qentry;
3445 qentry->handle = rsp;
3446 scnprintf(qentry->name, sizeof(qentry->name),
3447 "qla2xxx%lu_%s", vha->host_no,
3448 msix_entries[QLA_ATIO_VECTOR].name);
3449 qentry->in_use = 1;
3450 ret = request_irq(qentry->vector,
3451 msix_entries[QLA_ATIO_VECTOR].handler,
3452 0, qentry->name, rsp);
3453 qentry->have_irq = 1;
3454 }
3455
3456 msix_register_fail:
3457 if (ret) {
3458 ql_log(ql_log_fatal, vha, 0x00cb,
3459 "MSI-X: unable to register handler -- %x/%d.\n",
3460 qentry->vector, ret);
3461 qla2x00_free_irqs(vha);
3462 ha->mqenable = 0;
3463 goto msix_out;
3464 }
3465
3466 /* Enable MSI-X vector for response queue update for queue 0 */
3467 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3468 if (ha->msixbase && ha->mqiobase &&
3469 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3470 ql2xmqsupport))
3471 ha->mqenable = 1;
3472 } else
3473 if (ha->mqiobase &&
3474 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3475 ql2xmqsupport))
3476 ha->mqenable = 1;
3477 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3478 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3479 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3480 ql_dbg(ql_dbg_init, vha, 0x0055,
3481 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3482 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3483
3484 msix_out:
3485 return ret;
3486
3487 free_irqs:
3488 pci_free_irq_vectors(ha->pdev);
3489 goto msix_out;
3490 }
3491
3492 int
qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)3493 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3494 {
3495 int ret = QLA_FUNCTION_FAILED;
3496 device_reg_t *reg = ha->iobase;
3497 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3498
3499 /* If possible, enable MSI-X. */
3500 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3501 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) &&
3502 !IS_QLA27XX(ha))
3503 goto skip_msi;
3504
3505 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3506 (ha->pdev->subsystem_device == 0x7040 ||
3507 ha->pdev->subsystem_device == 0x7041 ||
3508 ha->pdev->subsystem_device == 0x1705)) {
3509 ql_log(ql_log_warn, vha, 0x0034,
3510 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3511 ha->pdev->subsystem_vendor,
3512 ha->pdev->subsystem_device);
3513 goto skip_msi;
3514 }
3515
3516 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3517 ql_log(ql_log_warn, vha, 0x0035,
3518 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3519 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3520 goto skip_msix;
3521 }
3522
3523 ret = qla24xx_enable_msix(ha, rsp);
3524 if (!ret) {
3525 ql_dbg(ql_dbg_init, vha, 0x0036,
3526 "MSI-X: Enabled (0x%X, 0x%X).\n",
3527 ha->chip_revision, ha->fw_attributes);
3528 goto clear_risc_ints;
3529 }
3530
3531 skip_msix:
3532
3533 ql_log(ql_log_info, vha, 0x0037,
3534 "Falling back-to MSI mode -- ret=%d.\n", ret);
3535
3536 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3537 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3538 !IS_QLA27XX(ha))
3539 goto skip_msi;
3540
3541 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3542 if (ret > 0) {
3543 ql_dbg(ql_dbg_init, vha, 0x0038,
3544 "MSI: Enabled.\n");
3545 ha->flags.msi_enabled = 1;
3546 } else
3547 ql_log(ql_log_warn, vha, 0x0039,
3548 "Falling back-to INTa mode -- ret=%d.\n", ret);
3549 skip_msi:
3550
3551 /* Skip INTx on ISP82xx. */
3552 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3553 return QLA_FUNCTION_FAILED;
3554
3555 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3556 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3557 QLA2XXX_DRIVER_NAME, rsp);
3558 if (ret) {
3559 ql_log(ql_log_warn, vha, 0x003a,
3560 "Failed to reserve interrupt %d already in use.\n",
3561 ha->pdev->irq);
3562 goto fail;
3563 } else if (!ha->flags.msi_enabled) {
3564 ql_dbg(ql_dbg_init, vha, 0x0125,
3565 "INTa mode: Enabled.\n");
3566 ha->flags.mr_intr_valid = 1;
3567 }
3568
3569 clear_risc_ints:
3570 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3571 goto fail;
3572
3573 spin_lock_irq(&ha->hardware_lock);
3574 WRT_REG_WORD(®->isp.semaphore, 0);
3575 spin_unlock_irq(&ha->hardware_lock);
3576
3577 fail:
3578 return ret;
3579 }
3580
3581 void
qla2x00_free_irqs(scsi_qla_host_t * vha)3582 qla2x00_free_irqs(scsi_qla_host_t *vha)
3583 {
3584 struct qla_hw_data *ha = vha->hw;
3585 struct rsp_que *rsp;
3586 struct qla_msix_entry *qentry;
3587 int i;
3588
3589 /*
3590 * We need to check that ha->rsp_q_map is valid in case we are called
3591 * from a probe failure context.
3592 */
3593 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3594 goto free_irqs;
3595 rsp = ha->rsp_q_map[0];
3596
3597 if (ha->flags.msix_enabled) {
3598 for (i = 0; i < ha->msix_count; i++) {
3599 qentry = &ha->msix_entries[i];
3600 if (qentry->have_irq) {
3601 irq_set_affinity_notifier(qentry->vector, NULL);
3602 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3603 }
3604 }
3605 kfree(ha->msix_entries);
3606 ha->msix_entries = NULL;
3607 ha->flags.msix_enabled = 0;
3608 ql_dbg(ql_dbg_init, vha, 0x0042,
3609 "Disabled MSI-X.\n");
3610 } else {
3611 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3612 }
3613
3614 free_irqs:
3615 pci_free_irq_vectors(ha->pdev);
3616 }
3617
qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)3618 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3619 struct qla_msix_entry *msix, int vector_type)
3620 {
3621 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3622 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3623 int ret;
3624
3625 scnprintf(msix->name, sizeof(msix->name),
3626 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3627 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3628 if (ret) {
3629 ql_log(ql_log_fatal, vha, 0x00e6,
3630 "MSI-X: Unable to register handler -- %x/%d.\n",
3631 msix->vector, ret);
3632 return ret;
3633 }
3634 msix->have_irq = 1;
3635 msix->handle = qpair;
3636 return ret;
3637 }
3638