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 * @vha: 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 * @vha: SCSI driver HA context
617 * @rsp: response queue
618 * @mb: Mailbox registers (0 - 3)
619 */
620 void
qla2x00_async_event(scsi_qla_host_t * vha,struct rsp_que * rsp,uint16_t * mb)621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
622 {
623 uint16_t handle_cnt;
624 uint16_t cnt, mbx;
625 uint32_t handles[5];
626 struct qla_hw_data *ha = vha->hw;
627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
630 uint32_t rscn_entry, host_pid;
631 unsigned long flags;
632 fc_port_t *fcport = NULL;
633
634 if (!vha->hw->flags.fw_started)
635 return;
636
637 /* Setup to process RIO completion. */
638 handle_cnt = 0;
639 if (IS_CNA_CAPABLE(ha))
640 goto skip_rio;
641 switch (mb[0]) {
642 case MBA_SCSI_COMPLETION:
643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
644 handle_cnt = 1;
645 break;
646 case MBA_CMPLT_1_16BIT:
647 handles[0] = mb[1];
648 handle_cnt = 1;
649 mb[0] = MBA_SCSI_COMPLETION;
650 break;
651 case MBA_CMPLT_2_16BIT:
652 handles[0] = mb[1];
653 handles[1] = mb[2];
654 handle_cnt = 2;
655 mb[0] = MBA_SCSI_COMPLETION;
656 break;
657 case MBA_CMPLT_3_16BIT:
658 handles[0] = mb[1];
659 handles[1] = mb[2];
660 handles[2] = mb[3];
661 handle_cnt = 3;
662 mb[0] = MBA_SCSI_COMPLETION;
663 break;
664 case MBA_CMPLT_4_16BIT:
665 handles[0] = mb[1];
666 handles[1] = mb[2];
667 handles[2] = mb[3];
668 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
669 handle_cnt = 4;
670 mb[0] = MBA_SCSI_COMPLETION;
671 break;
672 case MBA_CMPLT_5_16BIT:
673 handles[0] = mb[1];
674 handles[1] = mb[2];
675 handles[2] = mb[3];
676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
677 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
678 handle_cnt = 5;
679 mb[0] = MBA_SCSI_COMPLETION;
680 break;
681 case MBA_CMPLT_2_32BIT:
682 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
683 handles[1] = le32_to_cpu(
684 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
685 RD_MAILBOX_REG(ha, reg, 6));
686 handle_cnt = 2;
687 mb[0] = MBA_SCSI_COMPLETION;
688 break;
689 default:
690 break;
691 }
692 skip_rio:
693 switch (mb[0]) {
694 case MBA_SCSI_COMPLETION: /* Fast Post */
695 if (!vha->flags.online)
696 break;
697
698 for (cnt = 0; cnt < handle_cnt; cnt++)
699 qla2x00_process_completed_request(vha, rsp->req,
700 handles[cnt]);
701 break;
702
703 case MBA_RESET: /* Reset */
704 ql_dbg(ql_dbg_async, vha, 0x5002,
705 "Asynchronous RESET.\n");
706
707 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
708 break;
709
710 case MBA_SYSTEM_ERR: /* System Error */
711 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ?
712 RD_REG_WORD(®24->mailbox7) : 0;
713 ql_log(ql_log_warn, vha, 0x5003,
714 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
715 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
716
717 ha->isp_ops->fw_dump(vha, 1);
718 ha->flags.fw_init_done = 0;
719 QLA_FW_STOPPED(ha);
720
721 if (IS_FWI2_CAPABLE(ha)) {
722 if (mb[1] == 0 && mb[2] == 0) {
723 ql_log(ql_log_fatal, vha, 0x5004,
724 "Unrecoverable Hardware Error: adapter "
725 "marked OFFLINE!\n");
726 vha->flags.online = 0;
727 vha->device_flags |= DFLG_DEV_FAILED;
728 } else {
729 /* Check to see if MPI timeout occurred */
730 if ((mbx & MBX_3) && (ha->port_no == 0))
731 set_bit(MPI_RESET_NEEDED,
732 &vha->dpc_flags);
733
734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
735 }
736 } else if (mb[1] == 0) {
737 ql_log(ql_log_fatal, vha, 0x5005,
738 "Unrecoverable Hardware Error: adapter marked "
739 "OFFLINE!\n");
740 vha->flags.online = 0;
741 vha->device_flags |= DFLG_DEV_FAILED;
742 } else
743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
744 break;
745
746 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
747 ql_log(ql_log_warn, vha, 0x5006,
748 "ISP Request Transfer Error (%x).\n", mb[1]);
749
750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
751 break;
752
753 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
754 ql_log(ql_log_warn, vha, 0x5007,
755 "ISP Response Transfer Error (%x).\n", mb[1]);
756
757 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
758 break;
759
760 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
761 ql_dbg(ql_dbg_async, vha, 0x5008,
762 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
763 break;
764
765 case MBA_LOOP_INIT_ERR:
766 ql_log(ql_log_warn, vha, 0x5090,
767 "LOOP INIT ERROR (%x).\n", mb[1]);
768 ha->isp_ops->fw_dump(vha, 1);
769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
770 break;
771
772 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
773 ha->flags.lip_ae = 1;
774
775 ql_dbg(ql_dbg_async, vha, 0x5009,
776 "LIP occurred (%x).\n", mb[1]);
777
778 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
779 atomic_set(&vha->loop_state, LOOP_DOWN);
780 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
781 qla2x00_mark_all_devices_lost(vha, 1);
782 }
783
784 if (vha->vp_idx) {
785 atomic_set(&vha->vp_state, VP_FAILED);
786 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
787 }
788
789 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
790 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
791
792 vha->flags.management_server_logged_in = 0;
793 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
794 break;
795
796 case MBA_LOOP_UP: /* Loop Up Event */
797 if (IS_QLA2100(ha) || IS_QLA2200(ha))
798 ha->link_data_rate = PORT_SPEED_1GB;
799 else
800 ha->link_data_rate = mb[1];
801
802 ql_log(ql_log_info, vha, 0x500a,
803 "LOOP UP detected (%s Gbps).\n",
804 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
805
806 vha->flags.management_server_logged_in = 0;
807 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
808
809 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
810 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
811 qla2xxx_wake_dpc(vha);
812 }
813 break;
814
815 case MBA_LOOP_DOWN: /* Loop Down Event */
816 SAVE_TOPO(ha);
817 ha->flags.lip_ae = 0;
818 ha->current_topology = 0;
819
820 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
821 ? RD_REG_WORD(®24->mailbox4) : 0;
822 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
823 : mbx;
824 ql_log(ql_log_info, vha, 0x500b,
825 "LOOP DOWN detected (%x %x %x %x).\n",
826 mb[1], mb[2], mb[3], mbx);
827
828 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
829 atomic_set(&vha->loop_state, LOOP_DOWN);
830 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
831 /*
832 * In case of loop down, restore WWPN from
833 * NVRAM in case of FA-WWPN capable ISP
834 * Restore for Physical Port only
835 */
836 if (!vha->vp_idx) {
837 if (ha->flags.fawwpn_enabled) {
838 void *wwpn = ha->init_cb->port_name;
839 memcpy(vha->port_name, wwpn, WWN_SIZE);
840 fc_host_port_name(vha->host) =
841 wwn_to_u64(vha->port_name);
842 ql_dbg(ql_dbg_init + ql_dbg_verbose,
843 vha, 0x00d8, "LOOP DOWN detected,"
844 "restore WWPN %016llx\n",
845 wwn_to_u64(vha->port_name));
846 }
847
848 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
849 }
850
851 vha->device_flags |= DFLG_NO_CABLE;
852 qla2x00_mark_all_devices_lost(vha, 1);
853 }
854
855 if (vha->vp_idx) {
856 atomic_set(&vha->vp_state, VP_FAILED);
857 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
858 }
859
860 vha->flags.management_server_logged_in = 0;
861 ha->link_data_rate = PORT_SPEED_UNKNOWN;
862 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
863 break;
864
865 case MBA_LIP_RESET: /* LIP reset occurred */
866 ql_dbg(ql_dbg_async, vha, 0x500c,
867 "LIP reset occurred (%x).\n", mb[1]);
868
869 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
870 atomic_set(&vha->loop_state, LOOP_DOWN);
871 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
872 qla2x00_mark_all_devices_lost(vha, 1);
873 }
874
875 if (vha->vp_idx) {
876 atomic_set(&vha->vp_state, VP_FAILED);
877 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
878 }
879
880 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
881
882 ha->operating_mode = LOOP;
883 vha->flags.management_server_logged_in = 0;
884 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
885 break;
886
887 /* case MBA_DCBX_COMPLETE: */
888 case MBA_POINT_TO_POINT: /* Point-to-Point */
889 ha->flags.lip_ae = 0;
890
891 if (IS_QLA2100(ha))
892 break;
893
894 if (IS_CNA_CAPABLE(ha)) {
895 ql_dbg(ql_dbg_async, vha, 0x500d,
896 "DCBX Completed -- %04x %04x %04x.\n",
897 mb[1], mb[2], mb[3]);
898 if (ha->notify_dcbx_comp && !vha->vp_idx)
899 complete(&ha->dcbx_comp);
900
901 } else
902 ql_dbg(ql_dbg_async, vha, 0x500e,
903 "Asynchronous P2P MODE received.\n");
904
905 /*
906 * Until there's a transition from loop down to loop up, treat
907 * this as loop down only.
908 */
909 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
910 atomic_set(&vha->loop_state, LOOP_DOWN);
911 if (!atomic_read(&vha->loop_down_timer))
912 atomic_set(&vha->loop_down_timer,
913 LOOP_DOWN_TIME);
914 if (!N2N_TOPO(ha))
915 qla2x00_mark_all_devices_lost(vha, 1);
916 }
917
918 if (vha->vp_idx) {
919 atomic_set(&vha->vp_state, VP_FAILED);
920 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
921 }
922
923 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
924 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
925
926 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
927 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
928
929 vha->flags.management_server_logged_in = 0;
930 break;
931
932 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
933 if (IS_QLA2100(ha))
934 break;
935
936 ql_dbg(ql_dbg_async, vha, 0x500f,
937 "Configuration change detected: value=%x.\n", mb[1]);
938
939 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
940 atomic_set(&vha->loop_state, LOOP_DOWN);
941 if (!atomic_read(&vha->loop_down_timer))
942 atomic_set(&vha->loop_down_timer,
943 LOOP_DOWN_TIME);
944 qla2x00_mark_all_devices_lost(vha, 1);
945 }
946
947 if (vha->vp_idx) {
948 atomic_set(&vha->vp_state, VP_FAILED);
949 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
950 }
951
952 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
953 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
954 break;
955
956 case MBA_PORT_UPDATE: /* Port database update */
957 /*
958 * Handle only global and vn-port update events
959 *
960 * Relevant inputs:
961 * mb[1] = N_Port handle of changed port
962 * OR 0xffff for global event
963 * mb[2] = New login state
964 * 7 = Port logged out
965 * mb[3] = LSB is vp_idx, 0xff = all vps
966 *
967 * Skip processing if:
968 * Event is global, vp_idx is NOT all vps,
969 * vp_idx does not match
970 * Event is not global, vp_idx does not match
971 */
972 if (IS_QLA2XXX_MIDTYPE(ha) &&
973 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
974 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
975 break;
976
977 if (mb[2] == 0x7) {
978 ql_dbg(ql_dbg_async, vha, 0x5010,
979 "Port %s %04x %04x %04x.\n",
980 mb[1] == 0xffff ? "unavailable" : "logout",
981 mb[1], mb[2], mb[3]);
982
983 if (mb[1] == 0xffff)
984 goto global_port_update;
985
986 if (mb[1] == NPH_SNS_LID(ha)) {
987 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
988 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
989 break;
990 }
991
992 /* use handle_cnt for loop id/nport handle */
993 if (IS_FWI2_CAPABLE(ha))
994 handle_cnt = NPH_SNS;
995 else
996 handle_cnt = SIMPLE_NAME_SERVER;
997 if (mb[1] == handle_cnt) {
998 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
999 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1000 break;
1001 }
1002
1003 /* Port logout */
1004 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1005 if (!fcport)
1006 break;
1007 if (atomic_read(&fcport->state) != FCS_ONLINE)
1008 break;
1009 ql_dbg(ql_dbg_async, vha, 0x508a,
1010 "Marking port lost loopid=%04x portid=%06x.\n",
1011 fcport->loop_id, fcport->d_id.b24);
1012 if (qla_ini_mode_enabled(vha)) {
1013 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1014 fcport->logout_on_delete = 0;
1015 qlt_schedule_sess_for_deletion(fcport);
1016 }
1017 break;
1018
1019 global_port_update:
1020 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1021 atomic_set(&vha->loop_state, LOOP_DOWN);
1022 atomic_set(&vha->loop_down_timer,
1023 LOOP_DOWN_TIME);
1024 vha->device_flags |= DFLG_NO_CABLE;
1025 qla2x00_mark_all_devices_lost(vha, 1);
1026 }
1027
1028 if (vha->vp_idx) {
1029 atomic_set(&vha->vp_state, VP_FAILED);
1030 fc_vport_set_state(vha->fc_vport,
1031 FC_VPORT_FAILED);
1032 qla2x00_mark_all_devices_lost(vha, 1);
1033 }
1034
1035 vha->flags.management_server_logged_in = 0;
1036 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1037 break;
1038 }
1039
1040 /*
1041 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1042 * event etc. earlier indicating loop is down) then process
1043 * it. Otherwise ignore it and Wait for RSCN to come in.
1044 */
1045 atomic_set(&vha->loop_down_timer, 0);
1046 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1047 !ha->flags.n2n_ae &&
1048 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1049 ql_dbg(ql_dbg_async, vha, 0x5011,
1050 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1051 mb[1], mb[2], mb[3]);
1052
1053 qlt_async_event(mb[0], vha, mb);
1054 break;
1055 }
1056
1057 ql_dbg(ql_dbg_async, vha, 0x5012,
1058 "Port database changed %04x %04x %04x.\n",
1059 mb[1], mb[2], mb[3]);
1060
1061 /*
1062 * Mark all devices as missing so we will login again.
1063 */
1064 atomic_set(&vha->loop_state, LOOP_UP);
1065 vha->scan.scan_retry = 0;
1066
1067 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1068 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1069 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1070
1071 qlt_async_event(mb[0], vha, mb);
1072 break;
1073
1074 case MBA_RSCN_UPDATE: /* State Change Registration */
1075 /* Check if the Vport has issued a SCR */
1076 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1077 break;
1078 /* Only handle SCNs for our Vport index. */
1079 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1080 break;
1081
1082 ql_dbg(ql_dbg_async, vha, 0x5013,
1083 "RSCN database changed -- %04x %04x %04x.\n",
1084 mb[1], mb[2], mb[3]);
1085
1086 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1087 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1088 | vha->d_id.b.al_pa;
1089 if (rscn_entry == host_pid) {
1090 ql_dbg(ql_dbg_async, vha, 0x5014,
1091 "Ignoring RSCN update to local host "
1092 "port ID (%06x).\n", host_pid);
1093 break;
1094 }
1095
1096 /* Ignore reserved bits from RSCN-payload. */
1097 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1098
1099 /* Skip RSCNs for virtual ports on the same physical port */
1100 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1101 break;
1102
1103 atomic_set(&vha->loop_down_timer, 0);
1104 vha->flags.management_server_logged_in = 0;
1105 {
1106 struct event_arg ea;
1107
1108 memset(&ea, 0, sizeof(ea));
1109 ea.event = FCME_RSCN;
1110 ea.id.b24 = rscn_entry;
1111 ea.id.b.rsvd_1 = rscn_entry >> 24;
1112 qla2x00_fcport_event_handler(vha, &ea);
1113 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1114 }
1115 break;
1116 /* case MBA_RIO_RESPONSE: */
1117 case MBA_ZIO_RESPONSE:
1118 ql_dbg(ql_dbg_async, vha, 0x5015,
1119 "[R|Z]IO update completion.\n");
1120
1121 if (IS_FWI2_CAPABLE(ha))
1122 qla24xx_process_response_queue(vha, rsp);
1123 else
1124 qla2x00_process_response_queue(rsp);
1125 break;
1126
1127 case MBA_DISCARD_RND_FRAME:
1128 ql_dbg(ql_dbg_async, vha, 0x5016,
1129 "Discard RND Frame -- %04x %04x %04x.\n",
1130 mb[1], mb[2], mb[3]);
1131 break;
1132
1133 case MBA_TRACE_NOTIFICATION:
1134 ql_dbg(ql_dbg_async, vha, 0x5017,
1135 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1136 break;
1137
1138 case MBA_ISP84XX_ALERT:
1139 ql_dbg(ql_dbg_async, vha, 0x5018,
1140 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1141 mb[1], mb[2], mb[3]);
1142
1143 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1144 switch (mb[1]) {
1145 case A84_PANIC_RECOVERY:
1146 ql_log(ql_log_info, vha, 0x5019,
1147 "Alert 84XX: panic recovery %04x %04x.\n",
1148 mb[2], mb[3]);
1149 break;
1150 case A84_OP_LOGIN_COMPLETE:
1151 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1152 ql_log(ql_log_info, vha, 0x501a,
1153 "Alert 84XX: firmware version %x.\n",
1154 ha->cs84xx->op_fw_version);
1155 break;
1156 case A84_DIAG_LOGIN_COMPLETE:
1157 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1158 ql_log(ql_log_info, vha, 0x501b,
1159 "Alert 84XX: diagnostic firmware version %x.\n",
1160 ha->cs84xx->diag_fw_version);
1161 break;
1162 case A84_GOLD_LOGIN_COMPLETE:
1163 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1164 ha->cs84xx->fw_update = 1;
1165 ql_log(ql_log_info, vha, 0x501c,
1166 "Alert 84XX: gold firmware version %x.\n",
1167 ha->cs84xx->gold_fw_version);
1168 break;
1169 default:
1170 ql_log(ql_log_warn, vha, 0x501d,
1171 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1172 mb[1], mb[2], mb[3]);
1173 }
1174 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1175 break;
1176 case MBA_DCBX_START:
1177 ql_dbg(ql_dbg_async, vha, 0x501e,
1178 "DCBX Started -- %04x %04x %04x.\n",
1179 mb[1], mb[2], mb[3]);
1180 break;
1181 case MBA_DCBX_PARAM_UPDATE:
1182 ql_dbg(ql_dbg_async, vha, 0x501f,
1183 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1184 mb[1], mb[2], mb[3]);
1185 break;
1186 case MBA_FCF_CONF_ERR:
1187 ql_dbg(ql_dbg_async, vha, 0x5020,
1188 "FCF Configuration Error -- %04x %04x %04x.\n",
1189 mb[1], mb[2], mb[3]);
1190 break;
1191 case MBA_IDC_NOTIFY:
1192 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1193 mb[4] = RD_REG_WORD(®24->mailbox4);
1194 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1195 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1196 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1197 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1198 /*
1199 * Extend loop down timer since port is active.
1200 */
1201 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1202 atomic_set(&vha->loop_down_timer,
1203 LOOP_DOWN_TIME);
1204 qla2xxx_wake_dpc(vha);
1205 }
1206 }
1207 /* fall through */
1208 case MBA_IDC_COMPLETE:
1209 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1210 complete(&ha->lb_portup_comp);
1211 /* Fallthru */
1212 case MBA_IDC_TIME_EXT:
1213 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1214 IS_QLA8044(ha))
1215 qla81xx_idc_event(vha, mb[0], mb[1]);
1216 break;
1217
1218 case MBA_IDC_AEN:
1219 mb[4] = RD_REG_WORD(®24->mailbox4);
1220 mb[5] = RD_REG_WORD(®24->mailbox5);
1221 mb[6] = RD_REG_WORD(®24->mailbox6);
1222 mb[7] = RD_REG_WORD(®24->mailbox7);
1223 qla83xx_handle_8200_aen(vha, mb);
1224 break;
1225
1226 case MBA_DPORT_DIAGNOSTICS:
1227 ql_dbg(ql_dbg_async, vha, 0x5052,
1228 "D-Port Diagnostics: %04x result=%s\n",
1229 mb[0],
1230 mb[1] == 0 ? "start" :
1231 mb[1] == 1 ? "done (pass)" :
1232 mb[1] == 2 ? "done (error)" : "other");
1233 break;
1234
1235 case MBA_TEMPERATURE_ALERT:
1236 ql_dbg(ql_dbg_async, vha, 0x505e,
1237 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1238 if (mb[1] == 0x12)
1239 schedule_work(&ha->board_disable);
1240 break;
1241
1242 case MBA_TRANS_INSERT:
1243 ql_dbg(ql_dbg_async, vha, 0x5091,
1244 "Transceiver Insertion: %04x\n", mb[1]);
1245 break;
1246
1247 default:
1248 ql_dbg(ql_dbg_async, vha, 0x5057,
1249 "Unknown AEN:%04x %04x %04x %04x\n",
1250 mb[0], mb[1], mb[2], mb[3]);
1251 }
1252
1253 qlt_async_event(mb[0], vha, mb);
1254
1255 if (!vha->vp_idx && ha->num_vhosts)
1256 qla2x00_alert_all_vps(rsp, mb);
1257 }
1258
1259 /**
1260 * qla2x00_process_completed_request() - Process a Fast Post response.
1261 * @vha: SCSI driver HA context
1262 * @req: request queue
1263 * @index: SRB index
1264 */
1265 void
qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1266 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1267 struct req_que *req, uint32_t index)
1268 {
1269 srb_t *sp;
1270 struct qla_hw_data *ha = vha->hw;
1271
1272 /* Validate handle. */
1273 if (index >= req->num_outstanding_cmds) {
1274 ql_log(ql_log_warn, vha, 0x3014,
1275 "Invalid SCSI command index (%x).\n", index);
1276
1277 if (IS_P3P_TYPE(ha))
1278 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1279 else
1280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1281 return;
1282 }
1283
1284 sp = req->outstanding_cmds[index];
1285 if (sp) {
1286 /* Free outstanding command slot. */
1287 req->outstanding_cmds[index] = NULL;
1288
1289 /* Save ISP completion status */
1290 sp->done(sp, DID_OK << 16);
1291 } else {
1292 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1293
1294 if (IS_P3P_TYPE(ha))
1295 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1296 else
1297 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1298 }
1299 }
1300
1301 srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)1302 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1303 struct req_que *req, void *iocb)
1304 {
1305 struct qla_hw_data *ha = vha->hw;
1306 sts_entry_t *pkt = iocb;
1307 srb_t *sp = NULL;
1308 uint16_t index;
1309
1310 index = LSW(pkt->handle);
1311 if (index >= req->num_outstanding_cmds) {
1312 ql_log(ql_log_warn, vha, 0x5031,
1313 "Invalid command index (%x) type %8ph.\n",
1314 index, iocb);
1315 if (IS_P3P_TYPE(ha))
1316 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1317 else
1318 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1319 goto done;
1320 }
1321 sp = req->outstanding_cmds[index];
1322 if (!sp) {
1323 ql_log(ql_log_warn, vha, 0x5032,
1324 "Invalid completion handle (%x) -- timed-out.\n", index);
1325 return sp;
1326 }
1327 if (sp->handle != index) {
1328 ql_log(ql_log_warn, vha, 0x5033,
1329 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1330 return NULL;
1331 }
1332
1333 req->outstanding_cmds[index] = NULL;
1334
1335 done:
1336 return sp;
1337 }
1338
1339 static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)1340 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1341 struct mbx_entry *mbx)
1342 {
1343 const char func[] = "MBX-IOCB";
1344 const char *type;
1345 fc_port_t *fcport;
1346 srb_t *sp;
1347 struct srb_iocb *lio;
1348 uint16_t *data;
1349 uint16_t status;
1350
1351 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1352 if (!sp)
1353 return;
1354
1355 lio = &sp->u.iocb_cmd;
1356 type = sp->name;
1357 fcport = sp->fcport;
1358 data = lio->u.logio.data;
1359
1360 data[0] = MBS_COMMAND_ERROR;
1361 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1362 QLA_LOGIO_LOGIN_RETRIED : 0;
1363 if (mbx->entry_status) {
1364 ql_dbg(ql_dbg_async, vha, 0x5043,
1365 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1366 "entry-status=%x status=%x state-flag=%x "
1367 "status-flags=%x.\n", type, sp->handle,
1368 fcport->d_id.b.domain, fcport->d_id.b.area,
1369 fcport->d_id.b.al_pa, mbx->entry_status,
1370 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1371 le16_to_cpu(mbx->status_flags));
1372
1373 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1374 (uint8_t *)mbx, sizeof(*mbx));
1375
1376 goto logio_done;
1377 }
1378
1379 status = le16_to_cpu(mbx->status);
1380 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1381 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1382 status = 0;
1383 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1384 ql_dbg(ql_dbg_async, vha, 0x5045,
1385 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1386 type, sp->handle, fcport->d_id.b.domain,
1387 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1388 le16_to_cpu(mbx->mb1));
1389
1390 data[0] = MBS_COMMAND_COMPLETE;
1391 if (sp->type == SRB_LOGIN_CMD) {
1392 fcport->port_type = FCT_TARGET;
1393 if (le16_to_cpu(mbx->mb1) & BIT_0)
1394 fcport->port_type = FCT_INITIATOR;
1395 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1396 fcport->flags |= FCF_FCP2_DEVICE;
1397 }
1398 goto logio_done;
1399 }
1400
1401 data[0] = le16_to_cpu(mbx->mb0);
1402 switch (data[0]) {
1403 case MBS_PORT_ID_USED:
1404 data[1] = le16_to_cpu(mbx->mb1);
1405 break;
1406 case MBS_LOOP_ID_USED:
1407 break;
1408 default:
1409 data[0] = MBS_COMMAND_ERROR;
1410 break;
1411 }
1412
1413 ql_log(ql_log_warn, vha, 0x5046,
1414 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1415 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1416 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1417 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1418 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1419 le16_to_cpu(mbx->mb7));
1420
1421 logio_done:
1422 sp->done(sp, 0);
1423 }
1424
1425 static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)1426 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1427 struct mbx_24xx_entry *pkt)
1428 {
1429 const char func[] = "MBX-IOCB2";
1430 srb_t *sp;
1431 struct srb_iocb *si;
1432 u16 sz, i;
1433 int res;
1434
1435 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1436 if (!sp)
1437 return;
1438
1439 si = &sp->u.iocb_cmd;
1440 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1441
1442 for (i = 0; i < sz; i++)
1443 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1444
1445 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1446
1447 sp->done(sp, res);
1448 }
1449
1450 static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)1451 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1452 struct nack_to_isp *pkt)
1453 {
1454 const char func[] = "nack";
1455 srb_t *sp;
1456 int res = 0;
1457
1458 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1459 if (!sp)
1460 return;
1461
1462 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1463 res = QLA_FUNCTION_FAILED;
1464
1465 sp->done(sp, res);
1466 }
1467
1468 static void
qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)1469 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1470 sts_entry_t *pkt, int iocb_type)
1471 {
1472 const char func[] = "CT_IOCB";
1473 const char *type;
1474 srb_t *sp;
1475 struct bsg_job *bsg_job;
1476 struct fc_bsg_reply *bsg_reply;
1477 uint16_t comp_status;
1478 int res = 0;
1479
1480 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1481 if (!sp)
1482 return;
1483
1484 switch (sp->type) {
1485 case SRB_CT_CMD:
1486 bsg_job = sp->u.bsg_job;
1487 bsg_reply = bsg_job->reply;
1488
1489 type = "ct pass-through";
1490
1491 comp_status = le16_to_cpu(pkt->comp_status);
1492
1493 /*
1494 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1495 * fc payload to the caller
1496 */
1497 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1498 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1499
1500 if (comp_status != CS_COMPLETE) {
1501 if (comp_status == CS_DATA_UNDERRUN) {
1502 res = DID_OK << 16;
1503 bsg_reply->reply_payload_rcv_len =
1504 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
1505
1506 ql_log(ql_log_warn, vha, 0x5048,
1507 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1508 type, comp_status,
1509 bsg_reply->reply_payload_rcv_len);
1510 } else {
1511 ql_log(ql_log_warn, vha, 0x5049,
1512 "CT pass-through-%s error comp_status=0x%x.\n",
1513 type, comp_status);
1514 res = DID_ERROR << 16;
1515 bsg_reply->reply_payload_rcv_len = 0;
1516 }
1517 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1518 (uint8_t *)pkt, sizeof(*pkt));
1519 } else {
1520 res = DID_OK << 16;
1521 bsg_reply->reply_payload_rcv_len =
1522 bsg_job->reply_payload.payload_len;
1523 bsg_job->reply_len = 0;
1524 }
1525 break;
1526 case SRB_CT_PTHRU_CMD:
1527 /*
1528 * borrowing sts_entry_24xx.comp_status.
1529 * same location as ct_entry_24xx.comp_status
1530 */
1531 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1532 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1533 sp->name);
1534 break;
1535 }
1536
1537 sp->done(sp, res);
1538 }
1539
1540 static void
qla24xx_els_ct_entry(scsi_qla_host_t * vha,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)1541 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1542 struct sts_entry_24xx *pkt, int iocb_type)
1543 {
1544 const char func[] = "ELS_CT_IOCB";
1545 const char *type;
1546 srb_t *sp;
1547 struct bsg_job *bsg_job;
1548 struct fc_bsg_reply *bsg_reply;
1549 uint16_t comp_status;
1550 uint32_t fw_status[3];
1551 int res;
1552 struct srb_iocb *els;
1553
1554 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1555 if (!sp)
1556 return;
1557
1558 type = NULL;
1559 switch (sp->type) {
1560 case SRB_ELS_CMD_RPT:
1561 case SRB_ELS_CMD_HST:
1562 type = "els";
1563 break;
1564 case SRB_CT_CMD:
1565 type = "ct pass-through";
1566 break;
1567 case SRB_ELS_DCMD:
1568 type = "Driver ELS logo";
1569 if (iocb_type != ELS_IOCB_TYPE) {
1570 ql_dbg(ql_dbg_user, vha, 0x5047,
1571 "Completing %s: (%p) type=%d.\n",
1572 type, sp, sp->type);
1573 sp->done(sp, 0);
1574 return;
1575 }
1576 break;
1577 case SRB_CT_PTHRU_CMD:
1578 /* borrowing sts_entry_24xx.comp_status.
1579 same location as ct_entry_24xx.comp_status
1580 */
1581 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1582 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1583 sp->name);
1584 sp->done(sp, res);
1585 return;
1586 default:
1587 ql_dbg(ql_dbg_user, vha, 0x503e,
1588 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1589 return;
1590 }
1591
1592 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1593 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
1594 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
1595
1596 if (iocb_type == ELS_IOCB_TYPE) {
1597 els = &sp->u.iocb_cmd;
1598 els->u.els_plogi.fw_status[0] = fw_status[0];
1599 els->u.els_plogi.fw_status[1] = fw_status[1];
1600 els->u.els_plogi.fw_status[2] = fw_status[2];
1601 els->u.els_plogi.comp_status = fw_status[0];
1602 if (comp_status == CS_COMPLETE) {
1603 res = DID_OK << 16;
1604 } else {
1605 if (comp_status == CS_DATA_UNDERRUN) {
1606 res = DID_OK << 16;
1607 els->u.els_plogi.len =
1608 le16_to_cpu(((struct els_sts_entry_24xx *)
1609 pkt)->total_byte_count);
1610 } else {
1611 els->u.els_plogi.len = 0;
1612 res = DID_ERROR << 16;
1613 }
1614 }
1615 ql_log(ql_log_info, vha, 0x503f,
1616 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n",
1617 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1618 le16_to_cpu(((struct els_sts_entry_24xx *)
1619 pkt)->total_byte_count));
1620 goto els_ct_done;
1621 }
1622
1623 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1624 * fc payload to the caller
1625 */
1626 bsg_job = sp->u.bsg_job;
1627 bsg_reply = bsg_job->reply;
1628 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1629 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1630
1631 if (comp_status != CS_COMPLETE) {
1632 if (comp_status == CS_DATA_UNDERRUN) {
1633 res = DID_OK << 16;
1634 bsg_reply->reply_payload_rcv_len =
1635 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1636
1637 ql_dbg(ql_dbg_user, vha, 0x503f,
1638 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1639 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
1640 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1641 le16_to_cpu(((struct els_sts_entry_24xx *)
1642 pkt)->total_byte_count));
1643 } else {
1644 ql_dbg(ql_dbg_user, vha, 0x5040,
1645 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1646 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1647 type, sp->handle, comp_status,
1648 le16_to_cpu(((struct els_sts_entry_24xx *)
1649 pkt)->error_subcode_1),
1650 le16_to_cpu(((struct els_sts_entry_24xx *)
1651 pkt)->error_subcode_2));
1652 res = DID_ERROR << 16;
1653 bsg_reply->reply_payload_rcv_len = 0;
1654 }
1655 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1656 fw_status, sizeof(fw_status));
1657 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1658 (uint8_t *)pkt, sizeof(*pkt));
1659 }
1660 else {
1661 res = DID_OK << 16;
1662 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1663 bsg_job->reply_len = 0;
1664 }
1665 els_ct_done:
1666
1667 sp->done(sp, res);
1668 }
1669
1670 static void
qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)1671 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1672 struct logio_entry_24xx *logio)
1673 {
1674 const char func[] = "LOGIO-IOCB";
1675 const char *type;
1676 fc_port_t *fcport;
1677 srb_t *sp;
1678 struct srb_iocb *lio;
1679 uint16_t *data;
1680 uint32_t iop[2];
1681
1682 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1683 if (!sp)
1684 return;
1685
1686 lio = &sp->u.iocb_cmd;
1687 type = sp->name;
1688 fcport = sp->fcport;
1689 data = lio->u.logio.data;
1690
1691 data[0] = MBS_COMMAND_ERROR;
1692 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1693 QLA_LOGIO_LOGIN_RETRIED : 0;
1694 if (logio->entry_status) {
1695 ql_log(ql_log_warn, fcport->vha, 0x5034,
1696 "Async-%s error entry - %8phC hdl=%x"
1697 "portid=%02x%02x%02x entry-status=%x.\n",
1698 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1699 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1700 logio->entry_status);
1701 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1702 (uint8_t *)logio, sizeof(*logio));
1703
1704 goto logio_done;
1705 }
1706
1707 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1708 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1709 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1710 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1711 fcport->d_id.b.domain,
1712 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1713 le32_to_cpu(logio->io_parameter[0]));
1714
1715 vha->hw->exch_starvation = 0;
1716 data[0] = MBS_COMMAND_COMPLETE;
1717 if (sp->type != SRB_LOGIN_CMD)
1718 goto logio_done;
1719
1720 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1721 if (iop[0] & BIT_4) {
1722 fcport->port_type = FCT_TARGET;
1723 if (iop[0] & BIT_8)
1724 fcport->flags |= FCF_FCP2_DEVICE;
1725 } else if (iop[0] & BIT_5)
1726 fcport->port_type = FCT_INITIATOR;
1727
1728 if (iop[0] & BIT_7)
1729 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1730
1731 if (logio->io_parameter[7] || logio->io_parameter[8])
1732 fcport->supported_classes |= FC_COS_CLASS2;
1733 if (logio->io_parameter[9] || logio->io_parameter[10])
1734 fcport->supported_classes |= FC_COS_CLASS3;
1735
1736 goto logio_done;
1737 }
1738
1739 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1740 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1741 lio->u.logio.iop[0] = iop[0];
1742 lio->u.logio.iop[1] = iop[1];
1743 switch (iop[0]) {
1744 case LSC_SCODE_PORTID_USED:
1745 data[0] = MBS_PORT_ID_USED;
1746 data[1] = LSW(iop[1]);
1747 break;
1748 case LSC_SCODE_NPORT_USED:
1749 data[0] = MBS_LOOP_ID_USED;
1750 break;
1751 case LSC_SCODE_CMD_FAILED:
1752 if (iop[1] == 0x0606) {
1753 /*
1754 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1755 * Target side acked.
1756 */
1757 data[0] = MBS_COMMAND_COMPLETE;
1758 goto logio_done;
1759 }
1760 data[0] = MBS_COMMAND_ERROR;
1761 break;
1762 case LSC_SCODE_NOXCB:
1763 vha->hw->exch_starvation++;
1764 if (vha->hw->exch_starvation > 5) {
1765 ql_log(ql_log_warn, vha, 0xd046,
1766 "Exchange starvation. Resetting RISC\n");
1767
1768 vha->hw->exch_starvation = 0;
1769
1770 if (IS_P3P_TYPE(vha->hw))
1771 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1772 else
1773 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1774 qla2xxx_wake_dpc(vha);
1775 }
1776 /* fall through */
1777 default:
1778 data[0] = MBS_COMMAND_ERROR;
1779 break;
1780 }
1781
1782 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1783 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1784 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1785 sp->handle, fcport->d_id.b.domain,
1786 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1787 le16_to_cpu(logio->comp_status),
1788 le32_to_cpu(logio->io_parameter[0]),
1789 le32_to_cpu(logio->io_parameter[1]));
1790
1791 logio_done:
1792 sp->done(sp, 0);
1793 }
1794
1795 static void
qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)1796 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1797 {
1798 const char func[] = "TMF-IOCB";
1799 const char *type;
1800 fc_port_t *fcport;
1801 srb_t *sp;
1802 struct srb_iocb *iocb;
1803 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1804
1805 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1806 if (!sp)
1807 return;
1808
1809 iocb = &sp->u.iocb_cmd;
1810 type = sp->name;
1811 fcport = sp->fcport;
1812 iocb->u.tmf.data = QLA_SUCCESS;
1813
1814 if (sts->entry_status) {
1815 ql_log(ql_log_warn, fcport->vha, 0x5038,
1816 "Async-%s error - hdl=%x entry-status(%x).\n",
1817 type, sp->handle, sts->entry_status);
1818 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1819 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1820 ql_log(ql_log_warn, fcport->vha, 0x5039,
1821 "Async-%s error - hdl=%x completion status(%x).\n",
1822 type, sp->handle, sts->comp_status);
1823 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1824 } else if ((le16_to_cpu(sts->scsi_status) &
1825 SS_RESPONSE_INFO_LEN_VALID)) {
1826 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1827 ql_log(ql_log_warn, fcport->vha, 0x503b,
1828 "Async-%s error - hdl=%x not enough response(%d).\n",
1829 type, sp->handle, sts->rsp_data_len);
1830 } else if (sts->data[3]) {
1831 ql_log(ql_log_warn, fcport->vha, 0x503c,
1832 "Async-%s error - hdl=%x response(%x).\n",
1833 type, sp->handle, sts->data[3]);
1834 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1835 }
1836 }
1837
1838 if (iocb->u.tmf.data != QLA_SUCCESS)
1839 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055,
1840 (uint8_t *)sts, sizeof(*sts));
1841
1842 sp->done(sp, 0);
1843 }
1844
qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk,srb_t * sp)1845 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1846 void *tsk, srb_t *sp)
1847 {
1848 fc_port_t *fcport;
1849 struct srb_iocb *iocb;
1850 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1851 uint16_t state_flags;
1852 struct nvmefc_fcp_req *fd;
1853 uint16_t ret = 0;
1854
1855 iocb = &sp->u.iocb_cmd;
1856 fcport = sp->fcport;
1857 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status);
1858 state_flags = le16_to_cpu(sts->state_flags);
1859 fd = iocb->u.nvme.desc;
1860
1861 if (unlikely(iocb->u.nvme.aen_op))
1862 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1863
1864 /*
1865 * State flags: Bit 6 and 0.
1866 * If 0 is set, we don't care about 6.
1867 * both cases resp was dma'd to host buffer
1868 * if both are 0, that is good path case.
1869 * if six is set and 0 is clear, we need to
1870 * copy resp data from status iocb to resp buffer.
1871 */
1872 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1873 iocb->u.nvme.rsp_pyld_len = 0;
1874 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1875 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1876 } else if (state_flags & SF_NVME_ERSP) {
1877 uint32_t *inbuf, *outbuf;
1878 uint16_t iter;
1879
1880 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1881 outbuf = (uint32_t *)fd->rspaddr;
1882 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1883 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1884 for (; iter; iter--)
1885 *outbuf++ = swab32(*inbuf++);
1886 } else { /* unhandled case */
1887 ql_log(ql_log_warn, fcport->vha, 0x503a,
1888 "NVME-%s error. Unhandled state_flags of %x\n",
1889 sp->name, state_flags);
1890 }
1891
1892 fd->transferred_length = fd->payload_length -
1893 le32_to_cpu(sts->residual_len);
1894
1895 switch (le16_to_cpu(sts->comp_status)) {
1896 case CS_COMPLETE:
1897 ret = QLA_SUCCESS;
1898 break;
1899 case CS_ABORTED:
1900 case CS_RESET:
1901 case CS_PORT_UNAVAILABLE:
1902 case CS_PORT_LOGGED_OUT:
1903 case CS_PORT_BUSY:
1904 ql_log(ql_log_warn, fcport->vha, 0x5060,
1905 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1906 sp->name, sp->handle, sts->comp_status,
1907 le32_to_cpu(sts->residual_len), sts->ox_id);
1908 fd->transferred_length = 0;
1909 iocb->u.nvme.rsp_pyld_len = 0;
1910 ret = QLA_ABORTED;
1911 break;
1912 default:
1913 ql_log(ql_log_warn, fcport->vha, 0x5060,
1914 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n",
1915 sp->name, sp->handle, sts->comp_status,
1916 le32_to_cpu(sts->residual_len), sts->ox_id);
1917 ret = QLA_FUNCTION_FAILED;
1918 break;
1919 }
1920 sp->done(sp, ret);
1921 }
1922
qla_ctrlvp_completed(scsi_qla_host_t * vha,struct req_que * req,struct vp_ctrl_entry_24xx * vce)1923 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1924 struct vp_ctrl_entry_24xx *vce)
1925 {
1926 const char func[] = "CTRLVP-IOCB";
1927 srb_t *sp;
1928 int rval = QLA_SUCCESS;
1929
1930 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1931 if (!sp)
1932 return;
1933
1934 if (vce->entry_status != 0) {
1935 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1936 "%s: Failed to complete IOCB -- error status (%x)\n",
1937 sp->name, vce->entry_status);
1938 rval = QLA_FUNCTION_FAILED;
1939 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1940 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1941 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1942 sp->name, le16_to_cpu(vce->comp_status),
1943 le16_to_cpu(vce->vp_idx_failed));
1944 rval = QLA_FUNCTION_FAILED;
1945 } else {
1946 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1947 "Done %s.\n", __func__);
1948 }
1949
1950 sp->rc = rval;
1951 sp->done(sp, rval);
1952 }
1953
1954 /**
1955 * qla2x00_process_response_queue() - Process response queue entries.
1956 * @rsp: response queue
1957 */
1958 void
qla2x00_process_response_queue(struct rsp_que * rsp)1959 qla2x00_process_response_queue(struct rsp_que *rsp)
1960 {
1961 struct scsi_qla_host *vha;
1962 struct qla_hw_data *ha = rsp->hw;
1963 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1964 sts_entry_t *pkt;
1965 uint16_t handle_cnt;
1966 uint16_t cnt;
1967
1968 vha = pci_get_drvdata(ha->pdev);
1969
1970 if (!vha->flags.online)
1971 return;
1972
1973 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
1974 pkt = (sts_entry_t *)rsp->ring_ptr;
1975
1976 rsp->ring_index++;
1977 if (rsp->ring_index == rsp->length) {
1978 rsp->ring_index = 0;
1979 rsp->ring_ptr = rsp->ring;
1980 } else {
1981 rsp->ring_ptr++;
1982 }
1983
1984 if (pkt->entry_status != 0) {
1985 qla2x00_error_entry(vha, rsp, pkt);
1986 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
1987 wmb();
1988 continue;
1989 }
1990
1991 switch (pkt->entry_type) {
1992 case STATUS_TYPE:
1993 qla2x00_status_entry(vha, rsp, pkt);
1994 break;
1995 case STATUS_TYPE_21:
1996 handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
1997 for (cnt = 0; cnt < handle_cnt; cnt++) {
1998 qla2x00_process_completed_request(vha, rsp->req,
1999 ((sts21_entry_t *)pkt)->handle[cnt]);
2000 }
2001 break;
2002 case STATUS_TYPE_22:
2003 handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
2004 for (cnt = 0; cnt < handle_cnt; cnt++) {
2005 qla2x00_process_completed_request(vha, rsp->req,
2006 ((sts22_entry_t *)pkt)->handle[cnt]);
2007 }
2008 break;
2009 case STATUS_CONT_TYPE:
2010 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2011 break;
2012 case MBX_IOCB_TYPE:
2013 qla2x00_mbx_iocb_entry(vha, rsp->req,
2014 (struct mbx_entry *)pkt);
2015 break;
2016 case CT_IOCB_TYPE:
2017 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2018 break;
2019 default:
2020 /* Type Not Supported. */
2021 ql_log(ql_log_warn, vha, 0x504a,
2022 "Received unknown response pkt type %x "
2023 "entry status=%x.\n",
2024 pkt->entry_type, pkt->entry_status);
2025 break;
2026 }
2027 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2028 wmb();
2029 }
2030
2031 /* Adjust ring index */
2032 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2033 }
2034
2035 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)2036 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2037 uint32_t sense_len, struct rsp_que *rsp, int res)
2038 {
2039 struct scsi_qla_host *vha = sp->vha;
2040 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2041 uint32_t track_sense_len;
2042
2043 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2044 sense_len = SCSI_SENSE_BUFFERSIZE;
2045
2046 SET_CMD_SENSE_LEN(sp, sense_len);
2047 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2048 track_sense_len = sense_len;
2049
2050 if (sense_len > par_sense_len)
2051 sense_len = par_sense_len;
2052
2053 memcpy(cp->sense_buffer, sense_data, sense_len);
2054
2055 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2056 track_sense_len -= sense_len;
2057 SET_CMD_SENSE_LEN(sp, track_sense_len);
2058
2059 if (track_sense_len != 0) {
2060 rsp->status_srb = sp;
2061 cp->result = res;
2062 }
2063
2064 if (sense_len) {
2065 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2066 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2067 sp->vha->host_no, cp->device->id, cp->device->lun,
2068 cp);
2069 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2070 cp->sense_buffer, sense_len);
2071 }
2072 }
2073
2074 struct scsi_dif_tuple {
2075 __be16 guard; /* Checksum */
2076 __be16 app_tag; /* APPL identifier */
2077 __be32 ref_tag; /* Target LBA or indirect LBA */
2078 };
2079
2080 /*
2081 * Checks the guard or meta-data for the type of error
2082 * detected by the HBA. In case of errors, we set the
2083 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2084 * to indicate to the kernel that the HBA detected error.
2085 */
2086 static inline int
qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)2087 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2088 {
2089 struct scsi_qla_host *vha = sp->vha;
2090 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2091 uint8_t *ap = &sts24->data[12];
2092 uint8_t *ep = &sts24->data[20];
2093 uint32_t e_ref_tag, a_ref_tag;
2094 uint16_t e_app_tag, a_app_tag;
2095 uint16_t e_guard, a_guard;
2096
2097 /*
2098 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2099 * would make guard field appear at offset 2
2100 */
2101 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2102 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2103 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2104 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2105 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2106 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2107
2108 ql_dbg(ql_dbg_io, vha, 0x3023,
2109 "iocb(s) %p Returned STATUS.\n", sts24);
2110
2111 ql_dbg(ql_dbg_io, vha, 0x3024,
2112 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2113 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2114 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2115 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2116 a_app_tag, e_app_tag, a_guard, e_guard);
2117
2118 /*
2119 * Ignore sector if:
2120 * For type 3: ref & app tag is all 'f's
2121 * For type 0,1,2: app tag is all 'f's
2122 */
2123 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2124 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2125 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2126 uint32_t blocks_done, resid;
2127 sector_t lba_s = scsi_get_lba(cmd);
2128
2129 /* 2TB boundary case covered automatically with this */
2130 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2131
2132 resid = scsi_bufflen(cmd) - (blocks_done *
2133 cmd->device->sector_size);
2134
2135 scsi_set_resid(cmd, resid);
2136 cmd->result = DID_OK << 16;
2137
2138 /* Update protection tag */
2139 if (scsi_prot_sg_count(cmd)) {
2140 uint32_t i, j = 0, k = 0, num_ent;
2141 struct scatterlist *sg;
2142 struct t10_pi_tuple *spt;
2143
2144 /* Patch the corresponding protection tags */
2145 scsi_for_each_prot_sg(cmd, sg,
2146 scsi_prot_sg_count(cmd), i) {
2147 num_ent = sg_dma_len(sg) / 8;
2148 if (k + num_ent < blocks_done) {
2149 k += num_ent;
2150 continue;
2151 }
2152 j = blocks_done - k - 1;
2153 k = blocks_done;
2154 break;
2155 }
2156
2157 if (k != blocks_done) {
2158 ql_log(ql_log_warn, vha, 0x302f,
2159 "unexpected tag values tag:lba=%x:%llx)\n",
2160 e_ref_tag, (unsigned long long)lba_s);
2161 return 1;
2162 }
2163
2164 spt = page_address(sg_page(sg)) + sg->offset;
2165 spt += j;
2166
2167 spt->app_tag = T10_PI_APP_ESCAPE;
2168 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2169 spt->ref_tag = T10_PI_REF_ESCAPE;
2170 }
2171
2172 return 0;
2173 }
2174
2175 /* check guard */
2176 if (e_guard != a_guard) {
2177 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2178 0x10, 0x1);
2179 set_driver_byte(cmd, DRIVER_SENSE);
2180 set_host_byte(cmd, DID_ABORT);
2181 cmd->result |= SAM_STAT_CHECK_CONDITION;
2182 return 1;
2183 }
2184
2185 /* check ref tag */
2186 if (e_ref_tag != a_ref_tag) {
2187 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2188 0x10, 0x3);
2189 set_driver_byte(cmd, DRIVER_SENSE);
2190 set_host_byte(cmd, DID_ABORT);
2191 cmd->result |= SAM_STAT_CHECK_CONDITION;
2192 return 1;
2193 }
2194
2195 /* check appl tag */
2196 if (e_app_tag != a_app_tag) {
2197 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2198 0x10, 0x2);
2199 set_driver_byte(cmd, DRIVER_SENSE);
2200 set_host_byte(cmd, DID_ABORT);
2201 cmd->result |= SAM_STAT_CHECK_CONDITION;
2202 return 1;
2203 }
2204
2205 return 1;
2206 }
2207
2208 static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)2209 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2210 struct req_que *req, uint32_t index)
2211 {
2212 struct qla_hw_data *ha = vha->hw;
2213 srb_t *sp;
2214 uint16_t comp_status;
2215 uint16_t scsi_status;
2216 uint16_t thread_id;
2217 uint32_t rval = EXT_STATUS_OK;
2218 struct bsg_job *bsg_job = NULL;
2219 struct fc_bsg_request *bsg_request;
2220 struct fc_bsg_reply *bsg_reply;
2221 sts_entry_t *sts;
2222 struct sts_entry_24xx *sts24;
2223 sts = (sts_entry_t *) pkt;
2224 sts24 = (struct sts_entry_24xx *) pkt;
2225
2226 /* Validate handle. */
2227 if (index >= req->num_outstanding_cmds) {
2228 ql_log(ql_log_warn, vha, 0x70af,
2229 "Invalid SCSI completion handle 0x%x.\n", index);
2230 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2231 return;
2232 }
2233
2234 sp = req->outstanding_cmds[index];
2235 if (!sp) {
2236 ql_log(ql_log_warn, vha, 0x70b0,
2237 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2238 req->id, index);
2239
2240 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2241 return;
2242 }
2243
2244 /* Free outstanding command slot. */
2245 req->outstanding_cmds[index] = NULL;
2246 bsg_job = sp->u.bsg_job;
2247 bsg_request = bsg_job->request;
2248 bsg_reply = bsg_job->reply;
2249
2250 if (IS_FWI2_CAPABLE(ha)) {
2251 comp_status = le16_to_cpu(sts24->comp_status);
2252 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2253 } else {
2254 comp_status = le16_to_cpu(sts->comp_status);
2255 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2256 }
2257
2258 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2259 switch (comp_status) {
2260 case CS_COMPLETE:
2261 if (scsi_status == 0) {
2262 bsg_reply->reply_payload_rcv_len =
2263 bsg_job->reply_payload.payload_len;
2264 vha->qla_stats.input_bytes +=
2265 bsg_reply->reply_payload_rcv_len;
2266 vha->qla_stats.input_requests++;
2267 rval = EXT_STATUS_OK;
2268 }
2269 goto done;
2270
2271 case CS_DATA_OVERRUN:
2272 ql_dbg(ql_dbg_user, vha, 0x70b1,
2273 "Command completed with data overrun thread_id=%d\n",
2274 thread_id);
2275 rval = EXT_STATUS_DATA_OVERRUN;
2276 break;
2277
2278 case CS_DATA_UNDERRUN:
2279 ql_dbg(ql_dbg_user, vha, 0x70b2,
2280 "Command completed with data underrun thread_id=%d\n",
2281 thread_id);
2282 rval = EXT_STATUS_DATA_UNDERRUN;
2283 break;
2284 case CS_BIDIR_RD_OVERRUN:
2285 ql_dbg(ql_dbg_user, vha, 0x70b3,
2286 "Command completed with read data overrun thread_id=%d\n",
2287 thread_id);
2288 rval = EXT_STATUS_DATA_OVERRUN;
2289 break;
2290
2291 case CS_BIDIR_RD_WR_OVERRUN:
2292 ql_dbg(ql_dbg_user, vha, 0x70b4,
2293 "Command completed with read and write data overrun "
2294 "thread_id=%d\n", thread_id);
2295 rval = EXT_STATUS_DATA_OVERRUN;
2296 break;
2297
2298 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2299 ql_dbg(ql_dbg_user, vha, 0x70b5,
2300 "Command completed with read data over and write data "
2301 "underrun thread_id=%d\n", thread_id);
2302 rval = EXT_STATUS_DATA_OVERRUN;
2303 break;
2304
2305 case CS_BIDIR_RD_UNDERRUN:
2306 ql_dbg(ql_dbg_user, vha, 0x70b6,
2307 "Command completed with read data underrun "
2308 "thread_id=%d\n", thread_id);
2309 rval = EXT_STATUS_DATA_UNDERRUN;
2310 break;
2311
2312 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2313 ql_dbg(ql_dbg_user, vha, 0x70b7,
2314 "Command completed with read data under and write data "
2315 "overrun thread_id=%d\n", thread_id);
2316 rval = EXT_STATUS_DATA_UNDERRUN;
2317 break;
2318
2319 case CS_BIDIR_RD_WR_UNDERRUN:
2320 ql_dbg(ql_dbg_user, vha, 0x70b8,
2321 "Command completed with read and write data underrun "
2322 "thread_id=%d\n", thread_id);
2323 rval = EXT_STATUS_DATA_UNDERRUN;
2324 break;
2325
2326 case CS_BIDIR_DMA:
2327 ql_dbg(ql_dbg_user, vha, 0x70b9,
2328 "Command completed with data DMA error thread_id=%d\n",
2329 thread_id);
2330 rval = EXT_STATUS_DMA_ERR;
2331 break;
2332
2333 case CS_TIMEOUT:
2334 ql_dbg(ql_dbg_user, vha, 0x70ba,
2335 "Command completed with timeout thread_id=%d\n",
2336 thread_id);
2337 rval = EXT_STATUS_TIMEOUT;
2338 break;
2339 default:
2340 ql_dbg(ql_dbg_user, vha, 0x70bb,
2341 "Command completed with completion status=0x%x "
2342 "thread_id=%d\n", comp_status, thread_id);
2343 rval = EXT_STATUS_ERR;
2344 break;
2345 }
2346 bsg_reply->reply_payload_rcv_len = 0;
2347
2348 done:
2349 /* Return the vendor specific reply to API */
2350 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2351 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2352 /* Always return DID_OK, bsg will send the vendor specific response
2353 * in this case only */
2354 sp->done(sp, DID_OK << 16);
2355
2356 }
2357
2358 /**
2359 * qla2x00_status_entry() - Process a Status IOCB entry.
2360 * @vha: SCSI driver HA context
2361 * @rsp: response queue
2362 * @pkt: Entry pointer
2363 */
2364 static void
qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)2365 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2366 {
2367 srb_t *sp;
2368 fc_port_t *fcport;
2369 struct scsi_cmnd *cp;
2370 sts_entry_t *sts;
2371 struct sts_entry_24xx *sts24;
2372 uint16_t comp_status;
2373 uint16_t scsi_status;
2374 uint16_t ox_id;
2375 uint8_t lscsi_status;
2376 int32_t resid;
2377 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2378 fw_resid_len;
2379 uint8_t *rsp_info, *sense_data;
2380 struct qla_hw_data *ha = vha->hw;
2381 uint32_t handle;
2382 uint16_t que;
2383 struct req_que *req;
2384 int logit = 1;
2385 int res = 0;
2386 uint16_t state_flags = 0;
2387 uint16_t retry_delay = 0;
2388
2389 sts = (sts_entry_t *) pkt;
2390 sts24 = (struct sts_entry_24xx *) pkt;
2391 if (IS_FWI2_CAPABLE(ha)) {
2392 comp_status = le16_to_cpu(sts24->comp_status);
2393 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2394 state_flags = le16_to_cpu(sts24->state_flags);
2395 } else {
2396 comp_status = le16_to_cpu(sts->comp_status);
2397 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2398 }
2399 handle = (uint32_t) LSW(sts->handle);
2400 que = MSW(sts->handle);
2401 req = ha->req_q_map[que];
2402
2403 /* Check for invalid queue pointer */
2404 if (req == NULL ||
2405 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2406 ql_dbg(ql_dbg_io, vha, 0x3059,
2407 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2408 "que=%u.\n", sts->handle, req, que);
2409 return;
2410 }
2411
2412 /* Validate handle. */
2413 if (handle < req->num_outstanding_cmds) {
2414 sp = req->outstanding_cmds[handle];
2415 if (!sp) {
2416 ql_dbg(ql_dbg_io, vha, 0x3075,
2417 "%s(%ld): Already returned command for status handle (0x%x).\n",
2418 __func__, vha->host_no, sts->handle);
2419 return;
2420 }
2421 } else {
2422 ql_dbg(ql_dbg_io, vha, 0x3017,
2423 "Invalid status handle, out of range (0x%x).\n",
2424 sts->handle);
2425
2426 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2427 if (IS_P3P_TYPE(ha))
2428 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2429 else
2430 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2431 qla2xxx_wake_dpc(vha);
2432 }
2433 return;
2434 }
2435
2436 if (sp->cmd_type != TYPE_SRB) {
2437 req->outstanding_cmds[handle] = NULL;
2438 ql_dbg(ql_dbg_io, vha, 0x3015,
2439 "Unknown sp->cmd_type %x %p).\n",
2440 sp->cmd_type, sp);
2441 return;
2442 }
2443
2444 /* NVME completion. */
2445 if (sp->type == SRB_NVME_CMD) {
2446 req->outstanding_cmds[handle] = NULL;
2447 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2448 return;
2449 }
2450
2451 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2452 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2453 return;
2454 }
2455
2456 /* Task Management completion. */
2457 if (sp->type == SRB_TM_CMD) {
2458 qla24xx_tm_iocb_entry(vha, req, pkt);
2459 return;
2460 }
2461
2462 /* Fast path completion. */
2463 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2464 qla2x00_process_completed_request(vha, req, handle);
2465
2466 return;
2467 }
2468
2469 req->outstanding_cmds[handle] = NULL;
2470 cp = GET_CMD_SP(sp);
2471 if (cp == NULL) {
2472 ql_dbg(ql_dbg_io, vha, 0x3018,
2473 "Command already returned (0x%x/%p).\n",
2474 sts->handle, sp);
2475
2476 return;
2477 }
2478
2479 lscsi_status = scsi_status & STATUS_MASK;
2480
2481 fcport = sp->fcport;
2482
2483 ox_id = 0;
2484 sense_len = par_sense_len = rsp_info_len = resid_len =
2485 fw_resid_len = 0;
2486 if (IS_FWI2_CAPABLE(ha)) {
2487 if (scsi_status & SS_SENSE_LEN_VALID)
2488 sense_len = le32_to_cpu(sts24->sense_len);
2489 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2490 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2491 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2492 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2493 if (comp_status == CS_DATA_UNDERRUN)
2494 fw_resid_len = le32_to_cpu(sts24->residual_len);
2495 rsp_info = sts24->data;
2496 sense_data = sts24->data;
2497 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2498 ox_id = le16_to_cpu(sts24->ox_id);
2499 par_sense_len = sizeof(sts24->data);
2500 /* Valid values of the retry delay timer are 0x1-0xffef */
2501 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2502 retry_delay = sts24->retry_delay & 0x3fff;
2503 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2504 "%s: scope=%#x retry_delay=%#x\n", __func__,
2505 sts24->retry_delay >> 14, retry_delay);
2506 }
2507 } else {
2508 if (scsi_status & SS_SENSE_LEN_VALID)
2509 sense_len = le16_to_cpu(sts->req_sense_length);
2510 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2511 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2512 resid_len = le32_to_cpu(sts->residual_length);
2513 rsp_info = sts->rsp_info;
2514 sense_data = sts->req_sense_data;
2515 par_sense_len = sizeof(sts->req_sense_data);
2516 }
2517
2518 /* Check for any FCP transport errors. */
2519 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2520 /* Sense data lies beyond any FCP RESPONSE data. */
2521 if (IS_FWI2_CAPABLE(ha)) {
2522 sense_data += rsp_info_len;
2523 par_sense_len -= rsp_info_len;
2524 }
2525 if (rsp_info_len > 3 && rsp_info[3]) {
2526 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2527 "FCP I/O protocol failure (0x%x/0x%x).\n",
2528 rsp_info_len, rsp_info[3]);
2529
2530 res = DID_BUS_BUSY << 16;
2531 goto out;
2532 }
2533 }
2534
2535 /* Check for overrun. */
2536 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2537 scsi_status & SS_RESIDUAL_OVER)
2538 comp_status = CS_DATA_OVERRUN;
2539
2540 /*
2541 * Check retry_delay_timer value if we receive a busy or
2542 * queue full.
2543 */
2544 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2545 lscsi_status == SAM_STAT_BUSY)
2546 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2547
2548 /*
2549 * Based on Host and scsi status generate status code for Linux
2550 */
2551 switch (comp_status) {
2552 case CS_COMPLETE:
2553 case CS_QUEUE_FULL:
2554 if (scsi_status == 0) {
2555 res = DID_OK << 16;
2556 break;
2557 }
2558 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2559 resid = resid_len;
2560 scsi_set_resid(cp, resid);
2561
2562 if (!lscsi_status &&
2563 ((unsigned)(scsi_bufflen(cp) - resid) <
2564 cp->underflow)) {
2565 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2566 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2567 resid, scsi_bufflen(cp));
2568
2569 res = DID_ERROR << 16;
2570 break;
2571 }
2572 }
2573 res = DID_OK << 16 | lscsi_status;
2574
2575 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2576 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2577 "QUEUE FULL detected.\n");
2578 break;
2579 }
2580 logit = 0;
2581 if (lscsi_status != SS_CHECK_CONDITION)
2582 break;
2583
2584 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2585 if (!(scsi_status & SS_SENSE_LEN_VALID))
2586 break;
2587
2588 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2589 rsp, res);
2590 break;
2591
2592 case CS_DATA_UNDERRUN:
2593 /* Use F/W calculated residual length. */
2594 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2595 scsi_set_resid(cp, resid);
2596 if (scsi_status & SS_RESIDUAL_UNDER) {
2597 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2598 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2599 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2600 resid, scsi_bufflen(cp));
2601
2602 res = DID_ERROR << 16 | lscsi_status;
2603 goto check_scsi_status;
2604 }
2605
2606 if (!lscsi_status &&
2607 ((unsigned)(scsi_bufflen(cp) - resid) <
2608 cp->underflow)) {
2609 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2610 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2611 resid, scsi_bufflen(cp));
2612
2613 res = DID_ERROR << 16;
2614 break;
2615 }
2616 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2617 lscsi_status != SAM_STAT_BUSY) {
2618 /*
2619 * scsi status of task set and busy are considered to be
2620 * task not completed.
2621 */
2622
2623 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2624 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2625 resid, scsi_bufflen(cp));
2626
2627 res = DID_ERROR << 16 | lscsi_status;
2628 goto check_scsi_status;
2629 } else {
2630 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2631 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2632 scsi_status, lscsi_status);
2633 }
2634
2635 res = DID_OK << 16 | lscsi_status;
2636 logit = 0;
2637
2638 check_scsi_status:
2639 /*
2640 * Check to see if SCSI Status is non zero. If so report SCSI
2641 * Status.
2642 */
2643 if (lscsi_status != 0) {
2644 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2645 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2646 "QUEUE FULL detected.\n");
2647 logit = 1;
2648 break;
2649 }
2650 if (lscsi_status != SS_CHECK_CONDITION)
2651 break;
2652
2653 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2654 if (!(scsi_status & SS_SENSE_LEN_VALID))
2655 break;
2656
2657 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2658 sense_len, rsp, res);
2659 }
2660 break;
2661
2662 case CS_PORT_LOGGED_OUT:
2663 case CS_PORT_CONFIG_CHG:
2664 case CS_PORT_BUSY:
2665 case CS_INCOMPLETE:
2666 case CS_PORT_UNAVAILABLE:
2667 case CS_TIMEOUT:
2668 case CS_RESET:
2669
2670 /*
2671 * We are going to have the fc class block the rport
2672 * while we try to recover so instruct the mid layer
2673 * to requeue until the class decides how to handle this.
2674 */
2675 res = DID_TRANSPORT_DISRUPTED << 16;
2676
2677 if (comp_status == CS_TIMEOUT) {
2678 if (IS_FWI2_CAPABLE(ha))
2679 break;
2680 else if ((le16_to_cpu(sts->status_flags) &
2681 SF_LOGOUT_SENT) == 0)
2682 break;
2683 }
2684
2685 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2686 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2687 "Port to be marked lost on fcport=%02x%02x%02x, current "
2688 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2689 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2690 port_state_str[atomic_read(&fcport->state)],
2691 comp_status);
2692
2693 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2694 qlt_schedule_sess_for_deletion(fcport);
2695 }
2696
2697 break;
2698
2699 case CS_ABORTED:
2700 res = DID_RESET << 16;
2701 break;
2702
2703 case CS_DIF_ERROR:
2704 logit = qla2x00_handle_dif_error(sp, sts24);
2705 res = cp->result;
2706 break;
2707
2708 case CS_TRANSPORT:
2709 res = DID_ERROR << 16;
2710
2711 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2712 break;
2713
2714 if (state_flags & BIT_4)
2715 scmd_printk(KERN_WARNING, cp,
2716 "Unsupported device '%s' found.\n",
2717 cp->device->vendor);
2718 break;
2719
2720 default:
2721 res = DID_ERROR << 16;
2722 break;
2723 }
2724
2725 out:
2726 if (logit)
2727 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2728 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2729 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2730 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2731 comp_status, scsi_status, res, vha->host_no,
2732 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2733 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2734 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2735 resid_len, fw_resid_len, sp, cp);
2736
2737 if (rsp->status_srb == NULL)
2738 sp->done(sp, res);
2739 }
2740
2741 /**
2742 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2743 * @rsp: response queue
2744 * @pkt: Entry pointer
2745 *
2746 * Extended sense data.
2747 */
2748 static void
qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)2749 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2750 {
2751 uint8_t sense_sz = 0;
2752 struct qla_hw_data *ha = rsp->hw;
2753 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2754 srb_t *sp = rsp->status_srb;
2755 struct scsi_cmnd *cp;
2756 uint32_t sense_len;
2757 uint8_t *sense_ptr;
2758
2759 if (!sp || !GET_CMD_SENSE_LEN(sp))
2760 return;
2761
2762 sense_len = GET_CMD_SENSE_LEN(sp);
2763 sense_ptr = GET_CMD_SENSE_PTR(sp);
2764
2765 cp = GET_CMD_SP(sp);
2766 if (cp == NULL) {
2767 ql_log(ql_log_warn, vha, 0x3025,
2768 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2769
2770 rsp->status_srb = NULL;
2771 return;
2772 }
2773
2774 if (sense_len > sizeof(pkt->data))
2775 sense_sz = sizeof(pkt->data);
2776 else
2777 sense_sz = sense_len;
2778
2779 /* Move sense data. */
2780 if (IS_FWI2_CAPABLE(ha))
2781 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2782 memcpy(sense_ptr, pkt->data, sense_sz);
2783 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2784 sense_ptr, sense_sz);
2785
2786 sense_len -= sense_sz;
2787 sense_ptr += sense_sz;
2788
2789 SET_CMD_SENSE_PTR(sp, sense_ptr);
2790 SET_CMD_SENSE_LEN(sp, sense_len);
2791
2792 /* Place command on done queue. */
2793 if (sense_len == 0) {
2794 rsp->status_srb = NULL;
2795 sp->done(sp, cp->result);
2796 }
2797 }
2798
2799 /**
2800 * qla2x00_error_entry() - Process an error entry.
2801 * @vha: SCSI driver HA context
2802 * @rsp: response queue
2803 * @pkt: Entry pointer
2804 * return : 1=allow further error analysis. 0=no additional error analysis.
2805 */
2806 static int
qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)2807 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2808 {
2809 srb_t *sp;
2810 struct qla_hw_data *ha = vha->hw;
2811 const char func[] = "ERROR-IOCB";
2812 uint16_t que = MSW(pkt->handle);
2813 struct req_que *req = NULL;
2814 int res = DID_ERROR << 16;
2815
2816 ql_dbg(ql_dbg_async, vha, 0x502a,
2817 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2818 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2819
2820 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2821 goto fatal;
2822
2823 req = ha->req_q_map[que];
2824
2825 if (pkt->entry_status & RF_BUSY)
2826 res = DID_BUS_BUSY << 16;
2827
2828 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2829 return 0;
2830
2831 switch (pkt->entry_type) {
2832 case NOTIFY_ACK_TYPE:
2833 case STATUS_TYPE:
2834 case STATUS_CONT_TYPE:
2835 case LOGINOUT_PORT_IOCB_TYPE:
2836 case CT_IOCB_TYPE:
2837 case ELS_IOCB_TYPE:
2838 case ABORT_IOCB_TYPE:
2839 case MBX_IOCB_TYPE:
2840 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2841 if (sp) {
2842 sp->done(sp, res);
2843 return 0;
2844 }
2845 break;
2846
2847 case ABTS_RESP_24XX:
2848 case CTIO_TYPE7:
2849 case CTIO_CRC2:
2850 default:
2851 return 1;
2852 }
2853 fatal:
2854 ql_log(ql_log_warn, vha, 0x5030,
2855 "Error entry - invalid handle/queue (%04x).\n", que);
2856 return 0;
2857 }
2858
2859 /**
2860 * qla24xx_mbx_completion() - Process mailbox command completions.
2861 * @vha: SCSI driver HA context
2862 * @mb0: Mailbox0 register
2863 */
2864 static void
qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)2865 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2866 {
2867 uint16_t cnt;
2868 uint32_t mboxes;
2869 uint16_t __iomem *wptr;
2870 struct qla_hw_data *ha = vha->hw;
2871 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2872
2873 /* Read all mbox registers? */
2874 WARN_ON_ONCE(ha->mbx_count > 32);
2875 mboxes = (1ULL << ha->mbx_count) - 1;
2876 if (!ha->mcp)
2877 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2878 else
2879 mboxes = ha->mcp->in_mb;
2880
2881 /* Load return mailbox registers. */
2882 ha->flags.mbox_int = 1;
2883 ha->mailbox_out[0] = mb0;
2884 mboxes >>= 1;
2885 wptr = (uint16_t __iomem *)®->mailbox1;
2886
2887 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2888 if (mboxes & BIT_0)
2889 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2890
2891 mboxes >>= 1;
2892 wptr++;
2893 }
2894 }
2895
2896 static void
qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)2897 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2898 struct abort_entry_24xx *pkt)
2899 {
2900 const char func[] = "ABT_IOCB";
2901 srb_t *sp;
2902 struct srb_iocb *abt;
2903
2904 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2905 if (!sp)
2906 return;
2907
2908 abt = &sp->u.iocb_cmd;
2909 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2910 sp->done(sp, 0);
2911 }
2912
qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)2913 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2914 struct pt_ls4_request *pkt, struct req_que *req)
2915 {
2916 srb_t *sp;
2917 const char func[] = "LS4_IOCB";
2918 uint16_t comp_status;
2919
2920 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2921 if (!sp)
2922 return;
2923
2924 comp_status = le16_to_cpu(pkt->status);
2925 sp->done(sp, comp_status);
2926 }
2927
2928 /**
2929 * qla24xx_process_response_queue() - Process response queue entries.
2930 * @vha: SCSI driver HA context
2931 * @rsp: response queue
2932 */
qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)2933 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2934 struct rsp_que *rsp)
2935 {
2936 struct sts_entry_24xx *pkt;
2937 struct qla_hw_data *ha = vha->hw;
2938
2939 if (!ha->flags.fw_started)
2940 return;
2941
2942 if (rsp->qpair->cpuid != smp_processor_id())
2943 qla_cpu_update(rsp->qpair, smp_processor_id());
2944
2945 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2946 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2947
2948 rsp->ring_index++;
2949 if (rsp->ring_index == rsp->length) {
2950 rsp->ring_index = 0;
2951 rsp->ring_ptr = rsp->ring;
2952 } else {
2953 rsp->ring_ptr++;
2954 }
2955
2956 if (pkt->entry_status != 0) {
2957 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
2958 goto process_err;
2959
2960 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2961 wmb();
2962 continue;
2963 }
2964 process_err:
2965
2966 switch (pkt->entry_type) {
2967 case STATUS_TYPE:
2968 qla2x00_status_entry(vha, rsp, pkt);
2969 break;
2970 case STATUS_CONT_TYPE:
2971 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2972 break;
2973 case VP_RPT_ID_IOCB_TYPE:
2974 qla24xx_report_id_acquisition(vha,
2975 (struct vp_rpt_id_entry_24xx *)pkt);
2976 break;
2977 case LOGINOUT_PORT_IOCB_TYPE:
2978 qla24xx_logio_entry(vha, rsp->req,
2979 (struct logio_entry_24xx *)pkt);
2980 break;
2981 case CT_IOCB_TYPE:
2982 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2983 break;
2984 case ELS_IOCB_TYPE:
2985 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
2986 break;
2987 case ABTS_RECV_24XX:
2988 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2989 /* ensure that the ATIO queue is empty */
2990 qlt_handle_abts_recv(vha, rsp,
2991 (response_t *)pkt);
2992 break;
2993 } else {
2994 qlt_24xx_process_atio_queue(vha, 1);
2995 }
2996 /* fall through */
2997 case ABTS_RESP_24XX:
2998 case CTIO_TYPE7:
2999 case CTIO_CRC2:
3000 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3001 break;
3002 case PT_LS4_REQUEST:
3003 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3004 rsp->req);
3005 break;
3006 case NOTIFY_ACK_TYPE:
3007 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3008 qlt_response_pkt_all_vps(vha, rsp,
3009 (response_t *)pkt);
3010 else
3011 qla24xxx_nack_iocb_entry(vha, rsp->req,
3012 (struct nack_to_isp *)pkt);
3013 break;
3014 case MARKER_TYPE:
3015 /* Do nothing in this case, this check is to prevent it
3016 * from falling into default case
3017 */
3018 break;
3019 case ABORT_IOCB_TYPE:
3020 qla24xx_abort_iocb_entry(vha, rsp->req,
3021 (struct abort_entry_24xx *)pkt);
3022 break;
3023 case MBX_IOCB_TYPE:
3024 qla24xx_mbx_iocb_entry(vha, rsp->req,
3025 (struct mbx_24xx_entry *)pkt);
3026 break;
3027 case VP_CTRL_IOCB_TYPE:
3028 qla_ctrlvp_completed(vha, rsp->req,
3029 (struct vp_ctrl_entry_24xx *)pkt);
3030 break;
3031 default:
3032 /* Type Not Supported. */
3033 ql_dbg(ql_dbg_async, vha, 0x5042,
3034 "Received unknown response pkt type %x "
3035 "entry status=%x.\n",
3036 pkt->entry_type, pkt->entry_status);
3037 break;
3038 }
3039 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3040 wmb();
3041 }
3042
3043 /* Adjust ring index */
3044 if (IS_P3P_TYPE(ha)) {
3045 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3046 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
3047 } else {
3048 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3049 }
3050 }
3051
3052 static void
qla2xxx_check_risc_status(scsi_qla_host_t * vha)3053 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3054 {
3055 int rval;
3056 uint32_t cnt;
3057 struct qla_hw_data *ha = vha->hw;
3058 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3059
3060 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3061 !IS_QLA27XX(ha))
3062 return;
3063
3064 rval = QLA_SUCCESS;
3065 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
3066 RD_REG_DWORD(®->iobase_addr);
3067 WRT_REG_DWORD(®->iobase_window, 0x0001);
3068 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3069 rval == QLA_SUCCESS; cnt--) {
3070 if (cnt) {
3071 WRT_REG_DWORD(®->iobase_window, 0x0001);
3072 udelay(10);
3073 } else
3074 rval = QLA_FUNCTION_TIMEOUT;
3075 }
3076 if (rval == QLA_SUCCESS)
3077 goto next_test;
3078
3079 rval = QLA_SUCCESS;
3080 WRT_REG_DWORD(®->iobase_window, 0x0003);
3081 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3082 rval == QLA_SUCCESS; cnt--) {
3083 if (cnt) {
3084 WRT_REG_DWORD(®->iobase_window, 0x0003);
3085 udelay(10);
3086 } else
3087 rval = QLA_FUNCTION_TIMEOUT;
3088 }
3089 if (rval != QLA_SUCCESS)
3090 goto done;
3091
3092 next_test:
3093 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
3094 ql_log(ql_log_info, vha, 0x504c,
3095 "Additional code -- 0x55AA.\n");
3096
3097 done:
3098 WRT_REG_DWORD(®->iobase_window, 0x0000);
3099 RD_REG_DWORD(®->iobase_window);
3100 }
3101
3102 /**
3103 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3104 * @irq:
3105 * @dev_id: SCSI driver HA context
3106 *
3107 * Called by system whenever the host adapter generates an interrupt.
3108 *
3109 * Returns handled flag.
3110 */
3111 irqreturn_t
qla24xx_intr_handler(int irq,void * dev_id)3112 qla24xx_intr_handler(int irq, void *dev_id)
3113 {
3114 scsi_qla_host_t *vha;
3115 struct qla_hw_data *ha;
3116 struct device_reg_24xx __iomem *reg;
3117 int status;
3118 unsigned long iter;
3119 uint32_t stat;
3120 uint32_t hccr;
3121 uint16_t mb[8];
3122 struct rsp_que *rsp;
3123 unsigned long flags;
3124
3125 rsp = (struct rsp_que *) dev_id;
3126 if (!rsp) {
3127 ql_log(ql_log_info, NULL, 0x5059,
3128 "%s: NULL response queue pointer.\n", __func__);
3129 return IRQ_NONE;
3130 }
3131
3132 ha = rsp->hw;
3133 reg = &ha->iobase->isp24;
3134 status = 0;
3135
3136 if (unlikely(pci_channel_offline(ha->pdev)))
3137 return IRQ_HANDLED;
3138
3139 spin_lock_irqsave(&ha->hardware_lock, flags);
3140 vha = pci_get_drvdata(ha->pdev);
3141 for (iter = 50; iter--; ) {
3142 stat = RD_REG_DWORD(®->host_status);
3143 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3144 break;
3145 if (stat & HSRX_RISC_PAUSED) {
3146 if (unlikely(pci_channel_offline(ha->pdev)))
3147 break;
3148
3149 hccr = RD_REG_DWORD(®->hccr);
3150
3151 ql_log(ql_log_warn, vha, 0x504b,
3152 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3153 hccr);
3154
3155 qla2xxx_check_risc_status(vha);
3156
3157 ha->isp_ops->fw_dump(vha, 1);
3158 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3159 break;
3160 } else if ((stat & HSRX_RISC_INT) == 0)
3161 break;
3162
3163 switch (stat & 0xff) {
3164 case INTR_ROM_MB_SUCCESS:
3165 case INTR_ROM_MB_FAILED:
3166 case INTR_MB_SUCCESS:
3167 case INTR_MB_FAILED:
3168 qla24xx_mbx_completion(vha, MSW(stat));
3169 status |= MBX_INTERRUPT;
3170
3171 break;
3172 case INTR_ASYNC_EVENT:
3173 mb[0] = MSW(stat);
3174 mb[1] = RD_REG_WORD(®->mailbox1);
3175 mb[2] = RD_REG_WORD(®->mailbox2);
3176 mb[3] = RD_REG_WORD(®->mailbox3);
3177 qla2x00_async_event(vha, rsp, mb);
3178 break;
3179 case INTR_RSP_QUE_UPDATE:
3180 case INTR_RSP_QUE_UPDATE_83XX:
3181 qla24xx_process_response_queue(vha, rsp);
3182 break;
3183 case INTR_ATIO_QUE_UPDATE_27XX:
3184 case INTR_ATIO_QUE_UPDATE:{
3185 unsigned long flags2;
3186 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3187 qlt_24xx_process_atio_queue(vha, 1);
3188 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3189 break;
3190 }
3191 case INTR_ATIO_RSP_QUE_UPDATE: {
3192 unsigned long flags2;
3193 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3194 qlt_24xx_process_atio_queue(vha, 1);
3195 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3196
3197 qla24xx_process_response_queue(vha, rsp);
3198 break;
3199 }
3200 default:
3201 ql_dbg(ql_dbg_async, vha, 0x504f,
3202 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3203 break;
3204 }
3205 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3206 RD_REG_DWORD_RELAXED(®->hccr);
3207 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3208 ndelay(3500);
3209 }
3210 qla2x00_handle_mbx_completion(ha, status);
3211 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3212
3213 return IRQ_HANDLED;
3214 }
3215
3216 static irqreturn_t
qla24xx_msix_rsp_q(int irq,void * dev_id)3217 qla24xx_msix_rsp_q(int irq, void *dev_id)
3218 {
3219 struct qla_hw_data *ha;
3220 struct rsp_que *rsp;
3221 struct device_reg_24xx __iomem *reg;
3222 struct scsi_qla_host *vha;
3223 unsigned long flags;
3224
3225 rsp = (struct rsp_que *) dev_id;
3226 if (!rsp) {
3227 ql_log(ql_log_info, NULL, 0x505a,
3228 "%s: NULL response queue pointer.\n", __func__);
3229 return IRQ_NONE;
3230 }
3231 ha = rsp->hw;
3232 reg = &ha->iobase->isp24;
3233
3234 spin_lock_irqsave(&ha->hardware_lock, flags);
3235
3236 vha = pci_get_drvdata(ha->pdev);
3237 qla24xx_process_response_queue(vha, rsp);
3238 if (!ha->flags.disable_msix_handshake) {
3239 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3240 RD_REG_DWORD_RELAXED(®->hccr);
3241 }
3242 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3243
3244 return IRQ_HANDLED;
3245 }
3246
3247 static irqreturn_t
qla24xx_msix_default(int irq,void * dev_id)3248 qla24xx_msix_default(int irq, void *dev_id)
3249 {
3250 scsi_qla_host_t *vha;
3251 struct qla_hw_data *ha;
3252 struct rsp_que *rsp;
3253 struct device_reg_24xx __iomem *reg;
3254 int status;
3255 uint32_t stat;
3256 uint32_t hccr;
3257 uint16_t mb[8];
3258 unsigned long flags;
3259
3260 rsp = (struct rsp_que *) dev_id;
3261 if (!rsp) {
3262 ql_log(ql_log_info, NULL, 0x505c,
3263 "%s: NULL response queue pointer.\n", __func__);
3264 return IRQ_NONE;
3265 }
3266 ha = rsp->hw;
3267 reg = &ha->iobase->isp24;
3268 status = 0;
3269
3270 spin_lock_irqsave(&ha->hardware_lock, flags);
3271 vha = pci_get_drvdata(ha->pdev);
3272 do {
3273 stat = RD_REG_DWORD(®->host_status);
3274 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3275 break;
3276 if (stat & HSRX_RISC_PAUSED) {
3277 if (unlikely(pci_channel_offline(ha->pdev)))
3278 break;
3279
3280 hccr = RD_REG_DWORD(®->hccr);
3281
3282 ql_log(ql_log_info, vha, 0x5050,
3283 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3284 hccr);
3285
3286 qla2xxx_check_risc_status(vha);
3287
3288 ha->isp_ops->fw_dump(vha, 1);
3289 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3290 break;
3291 } else if ((stat & HSRX_RISC_INT) == 0)
3292 break;
3293
3294 switch (stat & 0xff) {
3295 case INTR_ROM_MB_SUCCESS:
3296 case INTR_ROM_MB_FAILED:
3297 case INTR_MB_SUCCESS:
3298 case INTR_MB_FAILED:
3299 qla24xx_mbx_completion(vha, MSW(stat));
3300 status |= MBX_INTERRUPT;
3301
3302 break;
3303 case INTR_ASYNC_EVENT:
3304 mb[0] = MSW(stat);
3305 mb[1] = RD_REG_WORD(®->mailbox1);
3306 mb[2] = RD_REG_WORD(®->mailbox2);
3307 mb[3] = RD_REG_WORD(®->mailbox3);
3308 qla2x00_async_event(vha, rsp, mb);
3309 break;
3310 case INTR_RSP_QUE_UPDATE:
3311 case INTR_RSP_QUE_UPDATE_83XX:
3312 qla24xx_process_response_queue(vha, rsp);
3313 break;
3314 case INTR_ATIO_QUE_UPDATE_27XX:
3315 case INTR_ATIO_QUE_UPDATE:{
3316 unsigned long flags2;
3317 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3318 qlt_24xx_process_atio_queue(vha, 1);
3319 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3320 break;
3321 }
3322 case INTR_ATIO_RSP_QUE_UPDATE: {
3323 unsigned long flags2;
3324 spin_lock_irqsave(&ha->tgt.atio_lock, flags2);
3325 qlt_24xx_process_atio_queue(vha, 1);
3326 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2);
3327
3328 qla24xx_process_response_queue(vha, rsp);
3329 break;
3330 }
3331 default:
3332 ql_dbg(ql_dbg_async, vha, 0x5051,
3333 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3334 break;
3335 }
3336 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3337 } while (0);
3338 qla2x00_handle_mbx_completion(ha, status);
3339 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3340
3341 return IRQ_HANDLED;
3342 }
3343
3344 irqreturn_t
qla2xxx_msix_rsp_q(int irq,void * dev_id)3345 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3346 {
3347 struct qla_hw_data *ha;
3348 struct qla_qpair *qpair;
3349 struct device_reg_24xx __iomem *reg;
3350 unsigned long flags;
3351
3352 qpair = dev_id;
3353 if (!qpair) {
3354 ql_log(ql_log_info, NULL, 0x505b,
3355 "%s: NULL response queue pointer.\n", __func__);
3356 return IRQ_NONE;
3357 }
3358 ha = qpair->hw;
3359
3360 /* Clear the interrupt, if enabled, for this response queue */
3361 if (unlikely(!ha->flags.disable_msix_handshake)) {
3362 reg = &ha->iobase->isp24;
3363 spin_lock_irqsave(&ha->hardware_lock, flags);
3364 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3365 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3366 }
3367
3368 queue_work(ha->wq, &qpair->q_work);
3369
3370 return IRQ_HANDLED;
3371 }
3372
3373 /* Interrupt handling helpers. */
3374
3375 struct qla_init_msix_entry {
3376 const char *name;
3377 irq_handler_t handler;
3378 };
3379
3380 static const struct qla_init_msix_entry msix_entries[] = {
3381 { "default", qla24xx_msix_default },
3382 { "rsp_q", qla24xx_msix_rsp_q },
3383 { "atio_q", qla83xx_msix_atio_q },
3384 { "qpair_multiq", qla2xxx_msix_rsp_q },
3385 };
3386
3387 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3388 { "qla2xxx (default)", qla82xx_msix_default },
3389 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3390 };
3391
3392 static int
qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)3393 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3394 {
3395 int i, ret;
3396 struct qla_msix_entry *qentry;
3397 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3398 int min_vecs = QLA_BASE_VECTORS;
3399 struct irq_affinity desc = {
3400 .pre_vectors = QLA_BASE_VECTORS,
3401 };
3402
3403 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3404 IS_ATIO_MSIX_CAPABLE(ha)) {
3405 desc.pre_vectors++;
3406 min_vecs++;
3407 }
3408
3409 if (USER_CTRL_IRQ(ha)) {
3410 /* user wants to control IRQ setting for target mode */
3411 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3412 ha->msix_count, PCI_IRQ_MSIX);
3413 } else
3414 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3415 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3416 &desc);
3417
3418 if (ret < 0) {
3419 ql_log(ql_log_fatal, vha, 0x00c7,
3420 "MSI-X: Failed to enable support, "
3421 "giving up -- %d/%d.\n",
3422 ha->msix_count, ret);
3423 goto msix_out;
3424 } else if (ret < ha->msix_count) {
3425 ql_log(ql_log_warn, vha, 0x00c6,
3426 "MSI-X: Failed to enable support "
3427 "with %d vectors, using %d vectors.\n",
3428 ha->msix_count, ret);
3429 ha->msix_count = ret;
3430 /* Recalculate queue values */
3431 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3432 ha->max_req_queues = ha->msix_count - 1;
3433
3434 /* ATIOQ needs 1 vector. That's 1 less QPair */
3435 if (QLA_TGT_MODE_ENABLED())
3436 ha->max_req_queues--;
3437
3438 ha->max_rsp_queues = ha->max_req_queues;
3439
3440 ha->max_qpairs = ha->max_req_queues - 1;
3441 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3442 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3443 }
3444 }
3445 ha->msix_entries = kcalloc(ha->msix_count,
3446 sizeof(struct qla_msix_entry),
3447 GFP_KERNEL);
3448 if (!ha->msix_entries) {
3449 ql_log(ql_log_fatal, vha, 0x00c8,
3450 "Failed to allocate memory for ha->msix_entries.\n");
3451 ret = -ENOMEM;
3452 goto msix_out;
3453 }
3454 ha->flags.msix_enabled = 1;
3455
3456 for (i = 0; i < ha->msix_count; i++) {
3457 qentry = &ha->msix_entries[i];
3458 qentry->vector = pci_irq_vector(ha->pdev, i);
3459 qentry->entry = i;
3460 qentry->have_irq = 0;
3461 qentry->in_use = 0;
3462 qentry->handle = NULL;
3463 }
3464
3465 /* Enable MSI-X vectors for the base queue */
3466 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3467 qentry = &ha->msix_entries[i];
3468 qentry->handle = rsp;
3469 rsp->msix = qentry;
3470 scnprintf(qentry->name, sizeof(qentry->name),
3471 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3472 if (IS_P3P_TYPE(ha))
3473 ret = request_irq(qentry->vector,
3474 qla82xx_msix_entries[i].handler,
3475 0, qla82xx_msix_entries[i].name, rsp);
3476 else
3477 ret = request_irq(qentry->vector,
3478 msix_entries[i].handler,
3479 0, qentry->name, rsp);
3480 if (ret)
3481 goto msix_register_fail;
3482 qentry->have_irq = 1;
3483 qentry->in_use = 1;
3484 }
3485
3486 /*
3487 * If target mode is enable, also request the vector for the ATIO
3488 * queue.
3489 */
3490 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3491 IS_ATIO_MSIX_CAPABLE(ha)) {
3492 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3493 rsp->msix = qentry;
3494 qentry->handle = rsp;
3495 scnprintf(qentry->name, sizeof(qentry->name),
3496 "qla2xxx%lu_%s", vha->host_no,
3497 msix_entries[QLA_ATIO_VECTOR].name);
3498 qentry->in_use = 1;
3499 ret = request_irq(qentry->vector,
3500 msix_entries[QLA_ATIO_VECTOR].handler,
3501 0, qentry->name, rsp);
3502 qentry->have_irq = 1;
3503 }
3504
3505 msix_register_fail:
3506 if (ret) {
3507 ql_log(ql_log_fatal, vha, 0x00cb,
3508 "MSI-X: unable to register handler -- %x/%d.\n",
3509 qentry->vector, ret);
3510 qla2x00_free_irqs(vha);
3511 ha->mqenable = 0;
3512 goto msix_out;
3513 }
3514
3515 /* Enable MSI-X vector for response queue update for queue 0 */
3516 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3517 if (ha->msixbase && ha->mqiobase &&
3518 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3519 ql2xmqsupport))
3520 ha->mqenable = 1;
3521 } else
3522 if (ha->mqiobase &&
3523 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3524 ql2xmqsupport))
3525 ha->mqenable = 1;
3526 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3527 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3528 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3529 ql_dbg(ql_dbg_init, vha, 0x0055,
3530 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3531 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3532
3533 msix_out:
3534 return ret;
3535 }
3536
3537 int
qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)3538 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3539 {
3540 int ret = QLA_FUNCTION_FAILED;
3541 device_reg_t *reg = ha->iobase;
3542 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3543
3544 /* If possible, enable MSI-X. */
3545 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3546 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3547 !IS_QLAFX00(ha) && !IS_QLA27XX(ha)))
3548 goto skip_msi;
3549
3550 if (ql2xenablemsix == 2)
3551 goto skip_msix;
3552
3553 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3554 (ha->pdev->subsystem_device == 0x7040 ||
3555 ha->pdev->subsystem_device == 0x7041 ||
3556 ha->pdev->subsystem_device == 0x1705)) {
3557 ql_log(ql_log_warn, vha, 0x0034,
3558 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3559 ha->pdev->subsystem_vendor,
3560 ha->pdev->subsystem_device);
3561 goto skip_msi;
3562 }
3563
3564 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3565 ql_log(ql_log_warn, vha, 0x0035,
3566 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3567 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3568 goto skip_msix;
3569 }
3570
3571 ret = qla24xx_enable_msix(ha, rsp);
3572 if (!ret) {
3573 ql_dbg(ql_dbg_init, vha, 0x0036,
3574 "MSI-X: Enabled (0x%X, 0x%X).\n",
3575 ha->chip_revision, ha->fw_attributes);
3576 goto clear_risc_ints;
3577 }
3578
3579 skip_msix:
3580
3581 ql_log(ql_log_info, vha, 0x0037,
3582 "Falling back-to MSI mode -%d.\n", ret);
3583
3584 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3585 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3586 !IS_QLA27XX(ha))
3587 goto skip_msi;
3588
3589 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3590 if (!ret) {
3591 ql_dbg(ql_dbg_init, vha, 0x0038,
3592 "MSI: Enabled.\n");
3593 ha->flags.msi_enabled = 1;
3594 } else
3595 ql_log(ql_log_warn, vha, 0x0039,
3596 "Falling back-to INTa mode -- %d.\n", ret);
3597 skip_msi:
3598
3599 /* Skip INTx on ISP82xx. */
3600 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3601 return QLA_FUNCTION_FAILED;
3602
3603 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3604 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3605 QLA2XXX_DRIVER_NAME, rsp);
3606 if (ret) {
3607 ql_log(ql_log_warn, vha, 0x003a,
3608 "Failed to reserve interrupt %d already in use.\n",
3609 ha->pdev->irq);
3610 goto fail;
3611 } else if (!ha->flags.msi_enabled) {
3612 ql_dbg(ql_dbg_init, vha, 0x0125,
3613 "INTa mode: Enabled.\n");
3614 ha->flags.mr_intr_valid = 1;
3615 }
3616
3617 clear_risc_ints:
3618 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3619 goto fail;
3620
3621 spin_lock_irq(&ha->hardware_lock);
3622 WRT_REG_WORD(®->isp.semaphore, 0);
3623 spin_unlock_irq(&ha->hardware_lock);
3624
3625 fail:
3626 return ret;
3627 }
3628
3629 void
qla2x00_free_irqs(scsi_qla_host_t * vha)3630 qla2x00_free_irqs(scsi_qla_host_t *vha)
3631 {
3632 struct qla_hw_data *ha = vha->hw;
3633 struct rsp_que *rsp;
3634 struct qla_msix_entry *qentry;
3635 int i;
3636
3637 /*
3638 * We need to check that ha->rsp_q_map is valid in case we are called
3639 * from a probe failure context.
3640 */
3641 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3642 goto free_irqs;
3643 rsp = ha->rsp_q_map[0];
3644
3645 if (ha->flags.msix_enabled) {
3646 for (i = 0; i < ha->msix_count; i++) {
3647 qentry = &ha->msix_entries[i];
3648 if (qentry->have_irq) {
3649 irq_set_affinity_notifier(qentry->vector, NULL);
3650 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3651 }
3652 }
3653 kfree(ha->msix_entries);
3654 ha->msix_entries = NULL;
3655 ha->flags.msix_enabled = 0;
3656 ql_dbg(ql_dbg_init, vha, 0x0042,
3657 "Disabled MSI-X.\n");
3658 } else {
3659 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3660 }
3661
3662 free_irqs:
3663 pci_free_irq_vectors(ha->pdev);
3664 }
3665
qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)3666 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3667 struct qla_msix_entry *msix, int vector_type)
3668 {
3669 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3670 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3671 int ret;
3672
3673 scnprintf(msix->name, sizeof(msix->name),
3674 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3675 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3676 if (ret) {
3677 ql_log(ql_log_fatal, vha, 0x00e6,
3678 "MSI-X: Unable to register handler -- %x/%d.\n",
3679 msix->vector, ret);
3680 return ret;
3681 }
3682 msix->have_irq = 1;
3683 msix->handle = qpair;
3684 return ret;
3685 }
3686
