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 const char *const port_state_str[] = {
27 "Unknown",
28 "UNCONFIGURED",
29 "DEAD",
30 "LOST",
31 "ONLINE"
32 };
33
34 /**
35 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
36 * @irq: interrupt number
37 * @dev_id: SCSI driver HA context
38 *
39 * Called by system whenever the host adapter generates an interrupt.
40 *
41 * Returns handled flag.
42 */
43 irqreturn_t
qla2100_intr_handler(int irq,void * dev_id)44 qla2100_intr_handler(int irq, void *dev_id)
45 {
46 scsi_qla_host_t *vha;
47 struct qla_hw_data *ha;
48 struct device_reg_2xxx __iomem *reg;
49 int status;
50 unsigned long iter;
51 uint16_t hccr;
52 uint16_t mb[8];
53 struct rsp_que *rsp;
54 unsigned long flags;
55
56 rsp = (struct rsp_que *) dev_id;
57 if (!rsp) {
58 ql_log(ql_log_info, NULL, 0x505d,
59 "%s: NULL response queue pointer.\n", __func__);
60 return (IRQ_NONE);
61 }
62
63 ha = rsp->hw;
64 reg = &ha->iobase->isp;
65 status = 0;
66
67 spin_lock_irqsave(&ha->hardware_lock, flags);
68 vha = pci_get_drvdata(ha->pdev);
69 for (iter = 50; iter--; ) {
70 hccr = RD_REG_WORD(®->hccr);
71 if (qla2x00_check_reg16_for_disconnect(vha, hccr))
72 break;
73 if (hccr & HCCR_RISC_PAUSE) {
74 if (pci_channel_offline(ha->pdev))
75 break;
76
77 /*
78 * Issue a "HARD" reset in order for the RISC interrupt
79 * bit to be cleared. Schedule a big hammer to get
80 * out of the RISC PAUSED state.
81 */
82 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
83 RD_REG_WORD(®->hccr);
84
85 ha->isp_ops->fw_dump(vha, 1);
86 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
87 break;
88 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
89 break;
90
91 if (RD_REG_WORD(®->semaphore) & BIT_0) {
92 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
93 RD_REG_WORD(®->hccr);
94
95 /* Get mailbox data. */
96 mb[0] = RD_MAILBOX_REG(ha, reg, 0);
97 if (mb[0] > 0x3fff && mb[0] < 0x8000) {
98 qla2x00_mbx_completion(vha, mb[0]);
99 status |= MBX_INTERRUPT;
100 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
101 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
102 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
103 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
104 qla2x00_async_event(vha, rsp, mb);
105 } else {
106 /*EMPTY*/
107 ql_dbg(ql_dbg_async, vha, 0x5025,
108 "Unrecognized interrupt type (%d).\n",
109 mb[0]);
110 }
111 /* Release mailbox registers. */
112 WRT_REG_WORD(®->semaphore, 0);
113 RD_REG_WORD(®->semaphore);
114 } else {
115 qla2x00_process_response_queue(rsp);
116
117 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
118 RD_REG_WORD(®->hccr);
119 }
120 }
121 qla2x00_handle_mbx_completion(ha, status);
122 spin_unlock_irqrestore(&ha->hardware_lock, flags);
123
124 return (IRQ_HANDLED);
125 }
126
127 bool
qla2x00_check_reg32_for_disconnect(scsi_qla_host_t * vha,uint32_t reg)128 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
129 {
130 /* Check for PCI disconnection */
131 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
132 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
133 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
134 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
135 /*
136 * Schedule this (only once) on the default system
137 * workqueue so that all the adapter workqueues and the
138 * DPC thread can be shutdown cleanly.
139 */
140 schedule_work(&vha->hw->board_disable);
141 }
142 return true;
143 } else
144 return false;
145 }
146
147 bool
qla2x00_check_reg16_for_disconnect(scsi_qla_host_t * vha,uint16_t reg)148 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
149 {
150 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
151 }
152
153 /**
154 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
155 * @irq: interrupt number
156 * @dev_id: SCSI driver HA context
157 *
158 * Called by system whenever the host adapter generates an interrupt.
159 *
160 * Returns handled flag.
161 */
162 irqreturn_t
qla2300_intr_handler(int irq,void * dev_id)163 qla2300_intr_handler(int irq, void *dev_id)
164 {
165 scsi_qla_host_t *vha;
166 struct device_reg_2xxx __iomem *reg;
167 int status;
168 unsigned long iter;
169 uint32_t stat;
170 uint16_t hccr;
171 uint16_t mb[8];
172 struct rsp_que *rsp;
173 struct qla_hw_data *ha;
174 unsigned long flags;
175
176 rsp = (struct rsp_que *) dev_id;
177 if (!rsp) {
178 ql_log(ql_log_info, NULL, 0x5058,
179 "%s: NULL response queue pointer.\n", __func__);
180 return (IRQ_NONE);
181 }
182
183 ha = rsp->hw;
184 reg = &ha->iobase->isp;
185 status = 0;
186
187 spin_lock_irqsave(&ha->hardware_lock, flags);
188 vha = pci_get_drvdata(ha->pdev);
189 for (iter = 50; iter--; ) {
190 stat = RD_REG_DWORD(®->u.isp2300.host_status);
191 if (qla2x00_check_reg32_for_disconnect(vha, stat))
192 break;
193 if (stat & HSR_RISC_PAUSED) {
194 if (unlikely(pci_channel_offline(ha->pdev)))
195 break;
196
197 hccr = RD_REG_WORD(®->hccr);
198
199 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
200 ql_log(ql_log_warn, vha, 0x5026,
201 "Parity error -- HCCR=%x, Dumping "
202 "firmware.\n", hccr);
203 else
204 ql_log(ql_log_warn, vha, 0x5027,
205 "RISC paused -- HCCR=%x, Dumping "
206 "firmware.\n", hccr);
207
208 /*
209 * Issue a "HARD" reset in order for the RISC
210 * interrupt bit to be cleared. Schedule a big
211 * hammer to get out of the RISC PAUSED state.
212 */
213 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
214 RD_REG_WORD(®->hccr);
215
216 ha->isp_ops->fw_dump(vha, 1);
217 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
218 break;
219 } else if ((stat & HSR_RISC_INT) == 0)
220 break;
221
222 switch (stat & 0xff) {
223 case 0x1:
224 case 0x2:
225 case 0x10:
226 case 0x11:
227 qla2x00_mbx_completion(vha, MSW(stat));
228 status |= MBX_INTERRUPT;
229
230 /* Release mailbox registers. */
231 WRT_REG_WORD(®->semaphore, 0);
232 break;
233 case 0x12:
234 mb[0] = MSW(stat);
235 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
236 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
237 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
238 qla2x00_async_event(vha, rsp, mb);
239 break;
240 case 0x13:
241 qla2x00_process_response_queue(rsp);
242 break;
243 case 0x15:
244 mb[0] = MBA_CMPLT_1_16BIT;
245 mb[1] = MSW(stat);
246 qla2x00_async_event(vha, rsp, mb);
247 break;
248 case 0x16:
249 mb[0] = MBA_SCSI_COMPLETION;
250 mb[1] = MSW(stat);
251 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
252 qla2x00_async_event(vha, rsp, mb);
253 break;
254 default:
255 ql_dbg(ql_dbg_async, vha, 0x5028,
256 "Unrecognized interrupt type (%d).\n", stat & 0xff);
257 break;
258 }
259 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
260 RD_REG_WORD_RELAXED(®->hccr);
261 }
262 qla2x00_handle_mbx_completion(ha, status);
263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
264
265 return (IRQ_HANDLED);
266 }
267
268 /**
269 * qla2x00_mbx_completion() - Process mailbox command completions.
270 * @vha: SCSI driver HA context
271 * @mb0: Mailbox0 register
272 */
273 static void
qla2x00_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)274 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
275 {
276 uint16_t cnt;
277 uint32_t mboxes;
278 uint16_t __iomem *wptr;
279 struct qla_hw_data *ha = vha->hw;
280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
281
282 /* Read all mbox registers? */
283 WARN_ON_ONCE(ha->mbx_count > 32);
284 mboxes = (1ULL << ha->mbx_count) - 1;
285 if (!ha->mcp)
286 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
287 else
288 mboxes = ha->mcp->in_mb;
289
290 /* Load return mailbox registers. */
291 ha->flags.mbox_int = 1;
292 ha->mailbox_out[0] = mb0;
293 mboxes >>= 1;
294 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
295
296 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
297 if (IS_QLA2200(ha) && cnt == 8)
298 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
299 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
300 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
301 else if (mboxes & BIT_0)
302 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
303
304 wptr++;
305 mboxes >>= 1;
306 }
307 }
308
309 static void
qla81xx_idc_event(scsi_qla_host_t * vha,uint16_t aen,uint16_t descr)310 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
311 {
312 static char *event[] =
313 { "Complete", "Request Notification", "Time Extension" };
314 int rval;
315 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
316 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
317 uint16_t __iomem *wptr;
318 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
319
320 /* Seed data -- mailbox1 -> mailbox7. */
321 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
322 wptr = (uint16_t __iomem *)®24->mailbox1;
323 else if (IS_QLA8044(vha->hw))
324 wptr = (uint16_t __iomem *)®82->mailbox_out[1];
325 else
326 return;
327
328 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
329 mb[cnt] = RD_REG_WORD(wptr);
330
331 ql_dbg(ql_dbg_async, vha, 0x5021,
332 "Inter-Driver Communication %s -- "
333 "%04x %04x %04x %04x %04x %04x %04x.\n",
334 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
335 mb[4], mb[5], mb[6]);
336 switch (aen) {
337 /* Handle IDC Error completion case. */
338 case MBA_IDC_COMPLETE:
339 if (mb[1] >> 15) {
340 vha->hw->flags.idc_compl_status = 1;
341 if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
342 complete(&vha->hw->dcbx_comp);
343 }
344 break;
345
346 case MBA_IDC_NOTIFY:
347 /* Acknowledgement needed? [Notify && non-zero timeout]. */
348 timeout = (descr >> 8) & 0xf;
349 ql_dbg(ql_dbg_async, vha, 0x5022,
350 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
351 vha->host_no, event[aen & 0xff], timeout);
352
353 if (!timeout)
354 return;
355 rval = qla2x00_post_idc_ack_work(vha, mb);
356 if (rval != QLA_SUCCESS)
357 ql_log(ql_log_warn, vha, 0x5023,
358 "IDC failed to post ACK.\n");
359 break;
360 case MBA_IDC_TIME_EXT:
361 vha->hw->idc_extend_tmo = descr;
362 ql_dbg(ql_dbg_async, vha, 0x5087,
363 "%lu Inter-Driver Communication %s -- "
364 "Extend timeout by=%d.\n",
365 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
366 break;
367 }
368 }
369
370 #define LS_UNKNOWN 2
371 const char *
qla2x00_get_link_speed_str(struct qla_hw_data * ha,uint16_t speed)372 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
373 {
374 static const char *const link_speeds[] = {
375 "1", "2", "?", "4", "8", "16", "32", "10"
376 };
377 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1)
378
379 if (IS_QLA2100(ha) || IS_QLA2200(ha))
380 return link_speeds[0];
381 else if (speed == 0x13)
382 return link_speeds[QLA_LAST_SPEED];
383 else if (speed < QLA_LAST_SPEED)
384 return link_speeds[speed];
385 else
386 return link_speeds[LS_UNKNOWN];
387 }
388
389 static void
qla83xx_handle_8200_aen(scsi_qla_host_t * vha,uint16_t * mb)390 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
391 {
392 struct qla_hw_data *ha = vha->hw;
393
394 /*
395 * 8200 AEN Interpretation:
396 * mb[0] = AEN code
397 * mb[1] = AEN Reason code
398 * mb[2] = LSW of Peg-Halt Status-1 Register
399 * mb[6] = MSW of Peg-Halt Status-1 Register
400 * mb[3] = LSW of Peg-Halt Status-2 register
401 * mb[7] = MSW of Peg-Halt Status-2 register
402 * mb[4] = IDC Device-State Register value
403 * mb[5] = IDC Driver-Presence Register value
404 */
405 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
406 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
407 mb[0], mb[1], mb[2], mb[6]);
408 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
409 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
410 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
411
412 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
413 IDC_HEARTBEAT_FAILURE)) {
414 ha->flags.nic_core_hung = 1;
415 ql_log(ql_log_warn, vha, 0x5060,
416 "83XX: F/W Error Reported: Check if reset required.\n");
417
418 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
419 uint32_t protocol_engine_id, fw_err_code, err_level;
420
421 /*
422 * IDC_PEG_HALT_STATUS_CHANGE interpretation:
423 * - PEG-Halt Status-1 Register:
424 * (LSW = mb[2], MSW = mb[6])
425 * Bits 0-7 = protocol-engine ID
426 * Bits 8-28 = f/w error code
427 * Bits 29-31 = Error-level
428 * Error-level 0x1 = Non-Fatal error
429 * Error-level 0x2 = Recoverable Fatal error
430 * Error-level 0x4 = UnRecoverable Fatal error
431 * - PEG-Halt Status-2 Register:
432 * (LSW = mb[3], MSW = mb[7])
433 */
434 protocol_engine_id = (mb[2] & 0xff);
435 fw_err_code = (((mb[2] & 0xff00) >> 8) |
436 ((mb[6] & 0x1fff) << 8));
437 err_level = ((mb[6] & 0xe000) >> 13);
438 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
439 "Register: protocol_engine_id=0x%x "
440 "fw_err_code=0x%x err_level=0x%x.\n",
441 protocol_engine_id, fw_err_code, err_level);
442 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
443 "Register: 0x%x%x.\n", mb[7], mb[3]);
444 if (err_level == ERR_LEVEL_NON_FATAL) {
445 ql_log(ql_log_warn, vha, 0x5063,
446 "Not a fatal error, f/w has recovered itself.\n");
447 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
448 ql_log(ql_log_fatal, vha, 0x5064,
449 "Recoverable Fatal error: Chip reset "
450 "required.\n");
451 qla83xx_schedule_work(vha,
452 QLA83XX_NIC_CORE_RESET);
453 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
454 ql_log(ql_log_fatal, vha, 0x5065,
455 "Unrecoverable Fatal error: Set FAILED "
456 "state, reboot required.\n");
457 qla83xx_schedule_work(vha,
458 QLA83XX_NIC_CORE_UNRECOVERABLE);
459 }
460 }
461
462 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
463 uint16_t peg_fw_state, nw_interface_link_up;
464 uint16_t nw_interface_signal_detect, sfp_status;
465 uint16_t htbt_counter, htbt_monitor_enable;
466 uint16_t sfp_additional_info, sfp_multirate;
467 uint16_t sfp_tx_fault, link_speed, dcbx_status;
468
469 /*
470 * IDC_NIC_FW_REPORTED_FAILURE interpretation:
471 * - PEG-to-FC Status Register:
472 * (LSW = mb[2], MSW = mb[6])
473 * Bits 0-7 = Peg-Firmware state
474 * Bit 8 = N/W Interface Link-up
475 * Bit 9 = N/W Interface signal detected
476 * Bits 10-11 = SFP Status
477 * SFP Status 0x0 = SFP+ transceiver not expected
478 * SFP Status 0x1 = SFP+ transceiver not present
479 * SFP Status 0x2 = SFP+ transceiver invalid
480 * SFP Status 0x3 = SFP+ transceiver present and
481 * valid
482 * Bits 12-14 = Heartbeat Counter
483 * Bit 15 = Heartbeat Monitor Enable
484 * Bits 16-17 = SFP Additional Info
485 * SFP info 0x0 = Unregocnized transceiver for
486 * Ethernet
487 * SFP info 0x1 = SFP+ brand validation failed
488 * SFP info 0x2 = SFP+ speed validation failed
489 * SFP info 0x3 = SFP+ access error
490 * Bit 18 = SFP Multirate
491 * Bit 19 = SFP Tx Fault
492 * Bits 20-22 = Link Speed
493 * Bits 23-27 = Reserved
494 * Bits 28-30 = DCBX Status
495 * DCBX Status 0x0 = DCBX Disabled
496 * DCBX Status 0x1 = DCBX Enabled
497 * DCBX Status 0x2 = DCBX Exchange error
498 * Bit 31 = Reserved
499 */
500 peg_fw_state = (mb[2] & 0x00ff);
501 nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
502 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
503 sfp_status = ((mb[2] & 0x0c00) >> 10);
504 htbt_counter = ((mb[2] & 0x7000) >> 12);
505 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
506 sfp_additional_info = (mb[6] & 0x0003);
507 sfp_multirate = ((mb[6] & 0x0004) >> 2);
508 sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
509 link_speed = ((mb[6] & 0x0070) >> 4);
510 dcbx_status = ((mb[6] & 0x7000) >> 12);
511
512 ql_log(ql_log_warn, vha, 0x5066,
513 "Peg-to-Fc Status Register:\n"
514 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
515 "nw_interface_signal_detect=0x%x"
516 "\nsfp_statis=0x%x.\n ", peg_fw_state,
517 nw_interface_link_up, nw_interface_signal_detect,
518 sfp_status);
519 ql_log(ql_log_warn, vha, 0x5067,
520 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
521 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
522 htbt_counter, htbt_monitor_enable,
523 sfp_additional_info, sfp_multirate);
524 ql_log(ql_log_warn, vha, 0x5068,
525 "sfp_tx_fault=0x%x, link_state=0x%x, "
526 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
527 dcbx_status);
528
529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
530 }
531
532 if (mb[1] & IDC_HEARTBEAT_FAILURE) {
533 ql_log(ql_log_warn, vha, 0x5069,
534 "Heartbeat Failure encountered, chip reset "
535 "required.\n");
536
537 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
538 }
539 }
540
541 if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
542 ql_log(ql_log_info, vha, 0x506a,
543 "IDC Device-State changed = 0x%x.\n", mb[4]);
544 if (ha->flags.nic_core_reset_owner)
545 return;
546 qla83xx_schedule_work(vha, MBA_IDC_AEN);
547 }
548 }
549
550 int
qla2x00_is_a_vp_did(scsi_qla_host_t * vha,uint32_t rscn_entry)551 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
552 {
553 struct qla_hw_data *ha = vha->hw;
554 scsi_qla_host_t *vp;
555 uint32_t vp_did;
556 unsigned long flags;
557 int ret = 0;
558
559 if (!ha->num_vhosts)
560 return ret;
561
562 spin_lock_irqsave(&ha->vport_slock, flags);
563 list_for_each_entry(vp, &ha->vp_list, list) {
564 vp_did = vp->d_id.b24;
565 if (vp_did == rscn_entry) {
566 ret = 1;
567 break;
568 }
569 }
570 spin_unlock_irqrestore(&ha->vport_slock, flags);
571
572 return ret;
573 }
574
575 fc_port_t *
qla2x00_find_fcport_by_loopid(scsi_qla_host_t * vha,uint16_t loop_id)576 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
577 {
578 fc_port_t *f, *tf;
579
580 f = tf = NULL;
581 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
582 if (f->loop_id == loop_id)
583 return f;
584 return NULL;
585 }
586
587 fc_port_t *
qla2x00_find_fcport_by_wwpn(scsi_qla_host_t * vha,u8 * wwpn,u8 incl_deleted)588 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
589 {
590 fc_port_t *f, *tf;
591
592 f = tf = NULL;
593 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
594 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
595 if (incl_deleted)
596 return f;
597 else if (f->deleted == 0)
598 return f;
599 }
600 }
601 return NULL;
602 }
603
604 fc_port_t *
qla2x00_find_fcport_by_nportid(scsi_qla_host_t * vha,port_id_t * id,u8 incl_deleted)605 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
606 u8 incl_deleted)
607 {
608 fc_port_t *f, *tf;
609
610 f = tf = NULL;
611 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
612 if (f->d_id.b24 == id->b24) {
613 if (incl_deleted)
614 return f;
615 else if (f->deleted == 0)
616 return f;
617 }
618 }
619 return NULL;
620 }
621
622 /**
623 * qla2x00_async_event() - Process aynchronous events.
624 * @vha: SCSI driver HA context
625 * @rsp: response queue
626 * @mb: Mailbox registers (0 - 3)
627 */
628 void
qla2x00_async_event(scsi_qla_host_t * vha,struct rsp_que * rsp,uint16_t * mb)629 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
630 {
631 uint16_t handle_cnt;
632 uint16_t cnt, mbx;
633 uint32_t handles[5];
634 struct qla_hw_data *ha = vha->hw;
635 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
636 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
637 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
638 uint32_t rscn_entry, host_pid;
639 unsigned long flags;
640 fc_port_t *fcport = NULL;
641
642 if (!vha->hw->flags.fw_started)
643 return;
644
645 /* Setup to process RIO completion. */
646 handle_cnt = 0;
647 if (IS_CNA_CAPABLE(ha))
648 goto skip_rio;
649 switch (mb[0]) {
650 case MBA_SCSI_COMPLETION:
651 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
652 handle_cnt = 1;
653 break;
654 case MBA_CMPLT_1_16BIT:
655 handles[0] = mb[1];
656 handle_cnt = 1;
657 mb[0] = MBA_SCSI_COMPLETION;
658 break;
659 case MBA_CMPLT_2_16BIT:
660 handles[0] = mb[1];
661 handles[1] = mb[2];
662 handle_cnt = 2;
663 mb[0] = MBA_SCSI_COMPLETION;
664 break;
665 case MBA_CMPLT_3_16BIT:
666 handles[0] = mb[1];
667 handles[1] = mb[2];
668 handles[2] = mb[3];
669 handle_cnt = 3;
670 mb[0] = MBA_SCSI_COMPLETION;
671 break;
672 case MBA_CMPLT_4_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 handle_cnt = 4;
678 mb[0] = MBA_SCSI_COMPLETION;
679 break;
680 case MBA_CMPLT_5_16BIT:
681 handles[0] = mb[1];
682 handles[1] = mb[2];
683 handles[2] = mb[3];
684 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
685 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
686 handle_cnt = 5;
687 mb[0] = MBA_SCSI_COMPLETION;
688 break;
689 case MBA_CMPLT_2_32BIT:
690 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
691 handles[1] = le32_to_cpu(
692 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
693 RD_MAILBOX_REG(ha, reg, 6));
694 handle_cnt = 2;
695 mb[0] = MBA_SCSI_COMPLETION;
696 break;
697 default:
698 break;
699 }
700 skip_rio:
701 switch (mb[0]) {
702 case MBA_SCSI_COMPLETION: /* Fast Post */
703 if (!vha->flags.online)
704 break;
705
706 for (cnt = 0; cnt < handle_cnt; cnt++)
707 qla2x00_process_completed_request(vha, rsp->req,
708 handles[cnt]);
709 break;
710
711 case MBA_RESET: /* Reset */
712 ql_dbg(ql_dbg_async, vha, 0x5002,
713 "Asynchronous RESET.\n");
714
715 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
716 break;
717
718 case MBA_SYSTEM_ERR: /* System Error */
719 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
720 IS_QLA28XX(ha)) ?
721 RD_REG_WORD(®24->mailbox7) : 0;
722 ql_log(ql_log_warn, vha, 0x5003,
723 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
724 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
725 ha->fw_dump_mpi =
726 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
727 RD_REG_WORD(®24->mailbox7) & BIT_8;
728 ha->isp_ops->fw_dump(vha, 1);
729 ha->flags.fw_init_done = 0;
730 QLA_FW_STOPPED(ha);
731
732 if (IS_FWI2_CAPABLE(ha)) {
733 if (mb[1] == 0 && mb[2] == 0) {
734 ql_log(ql_log_fatal, vha, 0x5004,
735 "Unrecoverable Hardware Error: adapter "
736 "marked OFFLINE!\n");
737 vha->flags.online = 0;
738 vha->device_flags |= DFLG_DEV_FAILED;
739 } else {
740 /* Check to see if MPI timeout occurred */
741 if ((mbx & MBX_3) && (ha->port_no == 0))
742 set_bit(MPI_RESET_NEEDED,
743 &vha->dpc_flags);
744
745 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
746 }
747 } else if (mb[1] == 0) {
748 ql_log(ql_log_fatal, vha, 0x5005,
749 "Unrecoverable Hardware Error: adapter marked "
750 "OFFLINE!\n");
751 vha->flags.online = 0;
752 vha->device_flags |= DFLG_DEV_FAILED;
753 } else
754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
755 break;
756
757 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
758 ql_log(ql_log_warn, vha, 0x5006,
759 "ISP Request Transfer Error (%x).\n", mb[1]);
760
761 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
762 break;
763
764 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
765 ql_log(ql_log_warn, vha, 0x5007,
766 "ISP Response Transfer Error (%x).\n", mb[1]);
767
768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
769 break;
770
771 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
772 ql_dbg(ql_dbg_async, vha, 0x5008,
773 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
774 break;
775
776 case MBA_LOOP_INIT_ERR:
777 ql_log(ql_log_warn, vha, 0x5090,
778 "LOOP INIT ERROR (%x).\n", mb[1]);
779 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
780 break;
781
782 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
783 ha->flags.lip_ae = 1;
784
785 ql_dbg(ql_dbg_async, vha, 0x5009,
786 "LIP occurred (%x).\n", mb[1]);
787
788 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
789 atomic_set(&vha->loop_state, LOOP_DOWN);
790 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
791 qla2x00_mark_all_devices_lost(vha, 1);
792 }
793
794 if (vha->vp_idx) {
795 atomic_set(&vha->vp_state, VP_FAILED);
796 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
797 }
798
799 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
800 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
801
802 vha->flags.management_server_logged_in = 0;
803 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
804 break;
805
806 case MBA_LOOP_UP: /* Loop Up Event */
807 if (IS_QLA2100(ha) || IS_QLA2200(ha))
808 ha->link_data_rate = PORT_SPEED_1GB;
809 else
810 ha->link_data_rate = mb[1];
811
812 ql_log(ql_log_info, vha, 0x500a,
813 "LOOP UP detected (%s Gbps).\n",
814 qla2x00_get_link_speed_str(ha, ha->link_data_rate));
815
816 vha->flags.management_server_logged_in = 0;
817 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
818
819 if (AUTO_DETECT_SFP_SUPPORT(vha)) {
820 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
821 qla2xxx_wake_dpc(vha);
822 }
823 break;
824
825 case MBA_LOOP_DOWN: /* Loop Down Event */
826 SAVE_TOPO(ha);
827 ha->flags.lip_ae = 0;
828 ha->current_topology = 0;
829
830 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
831 ? RD_REG_WORD(®24->mailbox4) : 0;
832 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4])
833 : mbx;
834 ql_log(ql_log_info, vha, 0x500b,
835 "LOOP DOWN detected (%x %x %x %x).\n",
836 mb[1], mb[2], mb[3], mbx);
837
838 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
839 atomic_set(&vha->loop_state, LOOP_DOWN);
840 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
841 /*
842 * In case of loop down, restore WWPN from
843 * NVRAM in case of FA-WWPN capable ISP
844 * Restore for Physical Port only
845 */
846 if (!vha->vp_idx) {
847 if (ha->flags.fawwpn_enabled &&
848 (ha->current_topology == ISP_CFG_F)) {
849 void *wwpn = ha->init_cb->port_name;
850
851 memcpy(vha->port_name, wwpn, WWN_SIZE);
852 fc_host_port_name(vha->host) =
853 wwn_to_u64(vha->port_name);
854 ql_dbg(ql_dbg_init + ql_dbg_verbose,
855 vha, 0x00d8, "LOOP DOWN detected,"
856 "restore WWPN %016llx\n",
857 wwn_to_u64(vha->port_name));
858 }
859
860 clear_bit(VP_CONFIG_OK, &vha->vp_flags);
861 }
862
863 vha->device_flags |= DFLG_NO_CABLE;
864 qla2x00_mark_all_devices_lost(vha, 1);
865 }
866
867 if (vha->vp_idx) {
868 atomic_set(&vha->vp_state, VP_FAILED);
869 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
870 }
871
872 vha->flags.management_server_logged_in = 0;
873 ha->link_data_rate = PORT_SPEED_UNKNOWN;
874 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
875 break;
876
877 case MBA_LIP_RESET: /* LIP reset occurred */
878 ql_dbg(ql_dbg_async, vha, 0x500c,
879 "LIP reset occurred (%x).\n", mb[1]);
880
881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
882 atomic_set(&vha->loop_state, LOOP_DOWN);
883 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
884 qla2x00_mark_all_devices_lost(vha, 1);
885 }
886
887 if (vha->vp_idx) {
888 atomic_set(&vha->vp_state, VP_FAILED);
889 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
890 }
891
892 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
893
894 ha->operating_mode = LOOP;
895 vha->flags.management_server_logged_in = 0;
896 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
897 break;
898
899 /* case MBA_DCBX_COMPLETE: */
900 case MBA_POINT_TO_POINT: /* Point-to-Point */
901 ha->flags.lip_ae = 0;
902
903 if (IS_QLA2100(ha))
904 break;
905
906 if (IS_CNA_CAPABLE(ha)) {
907 ql_dbg(ql_dbg_async, vha, 0x500d,
908 "DCBX Completed -- %04x %04x %04x.\n",
909 mb[1], mb[2], mb[3]);
910 if (ha->notify_dcbx_comp && !vha->vp_idx)
911 complete(&ha->dcbx_comp);
912
913 } else
914 ql_dbg(ql_dbg_async, vha, 0x500e,
915 "Asynchronous P2P MODE received.\n");
916
917 /*
918 * Until there's a transition from loop down to loop up, treat
919 * this as loop down only.
920 */
921 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
922 atomic_set(&vha->loop_state, LOOP_DOWN);
923 if (!atomic_read(&vha->loop_down_timer))
924 atomic_set(&vha->loop_down_timer,
925 LOOP_DOWN_TIME);
926 if (!N2N_TOPO(ha))
927 qla2x00_mark_all_devices_lost(vha, 1);
928 }
929
930 if (vha->vp_idx) {
931 atomic_set(&vha->vp_state, VP_FAILED);
932 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
933 }
934
935 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
936 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
937
938 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
939 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
940
941 vha->flags.management_server_logged_in = 0;
942 break;
943
944 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
945 if (IS_QLA2100(ha))
946 break;
947
948 ql_dbg(ql_dbg_async, vha, 0x500f,
949 "Configuration change detected: value=%x.\n", mb[1]);
950
951 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
952 atomic_set(&vha->loop_state, LOOP_DOWN);
953 if (!atomic_read(&vha->loop_down_timer))
954 atomic_set(&vha->loop_down_timer,
955 LOOP_DOWN_TIME);
956 qla2x00_mark_all_devices_lost(vha, 1);
957 }
958
959 if (vha->vp_idx) {
960 atomic_set(&vha->vp_state, VP_FAILED);
961 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
962 }
963
964 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
965 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
966 break;
967
968 case MBA_PORT_UPDATE: /* Port database update */
969 /*
970 * Handle only global and vn-port update events
971 *
972 * Relevant inputs:
973 * mb[1] = N_Port handle of changed port
974 * OR 0xffff for global event
975 * mb[2] = New login state
976 * 7 = Port logged out
977 * mb[3] = LSB is vp_idx, 0xff = all vps
978 *
979 * Skip processing if:
980 * Event is global, vp_idx is NOT all vps,
981 * vp_idx does not match
982 * Event is not global, vp_idx does not match
983 */
984 if (IS_QLA2XXX_MIDTYPE(ha) &&
985 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
986 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
987 break;
988
989 if (mb[2] == 0x7) {
990 ql_dbg(ql_dbg_async, vha, 0x5010,
991 "Port %s %04x %04x %04x.\n",
992 mb[1] == 0xffff ? "unavailable" : "logout",
993 mb[1], mb[2], mb[3]);
994
995 if (mb[1] == 0xffff)
996 goto global_port_update;
997
998 if (mb[1] == NPH_SNS_LID(ha)) {
999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1001 break;
1002 }
1003
1004 /* use handle_cnt for loop id/nport handle */
1005 if (IS_FWI2_CAPABLE(ha))
1006 handle_cnt = NPH_SNS;
1007 else
1008 handle_cnt = SIMPLE_NAME_SERVER;
1009 if (mb[1] == handle_cnt) {
1010 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1011 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1012 break;
1013 }
1014
1015 /* Port logout */
1016 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
1017 if (!fcport)
1018 break;
1019 if (atomic_read(&fcport->state) != FCS_ONLINE)
1020 break;
1021 ql_dbg(ql_dbg_async, vha, 0x508a,
1022 "Marking port lost loopid=%04x portid=%06x.\n",
1023 fcport->loop_id, fcport->d_id.b24);
1024 if (qla_ini_mode_enabled(vha)) {
1025 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
1026 fcport->logout_on_delete = 0;
1027 qlt_schedule_sess_for_deletion(fcport);
1028 }
1029 break;
1030
1031 global_port_update:
1032 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1033 atomic_set(&vha->loop_state, LOOP_DOWN);
1034 atomic_set(&vha->loop_down_timer,
1035 LOOP_DOWN_TIME);
1036 vha->device_flags |= DFLG_NO_CABLE;
1037 qla2x00_mark_all_devices_lost(vha, 1);
1038 }
1039
1040 if (vha->vp_idx) {
1041 atomic_set(&vha->vp_state, VP_FAILED);
1042 fc_vport_set_state(vha->fc_vport,
1043 FC_VPORT_FAILED);
1044 qla2x00_mark_all_devices_lost(vha, 1);
1045 }
1046
1047 vha->flags.management_server_logged_in = 0;
1048 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1049 break;
1050 }
1051
1052 /*
1053 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
1054 * event etc. earlier indicating loop is down) then process
1055 * it. Otherwise ignore it and Wait for RSCN to come in.
1056 */
1057 atomic_set(&vha->loop_down_timer, 0);
1058 if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
1059 !ha->flags.n2n_ae &&
1060 atomic_read(&vha->loop_state) != LOOP_DEAD) {
1061 ql_dbg(ql_dbg_async, vha, 0x5011,
1062 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
1063 mb[1], mb[2], mb[3]);
1064 break;
1065 }
1066
1067 ql_dbg(ql_dbg_async, vha, 0x5012,
1068 "Port database changed %04x %04x %04x.\n",
1069 mb[1], mb[2], mb[3]);
1070
1071 /*
1072 * Mark all devices as missing so we will login again.
1073 */
1074 atomic_set(&vha->loop_state, LOOP_UP);
1075 vha->scan.scan_retry = 0;
1076
1077 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1078 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1079 set_bit(VP_CONFIG_OK, &vha->vp_flags);
1080 break;
1081
1082 case MBA_RSCN_UPDATE: /* State Change Registration */
1083 /* Check if the Vport has issued a SCR */
1084 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
1085 break;
1086 /* Only handle SCNs for our Vport index. */
1087 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
1088 break;
1089
1090 ql_dbg(ql_dbg_async, vha, 0x5013,
1091 "RSCN database changed -- %04x %04x %04x.\n",
1092 mb[1], mb[2], mb[3]);
1093
1094 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
1095 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
1096 | vha->d_id.b.al_pa;
1097 if (rscn_entry == host_pid) {
1098 ql_dbg(ql_dbg_async, vha, 0x5014,
1099 "Ignoring RSCN update to local host "
1100 "port ID (%06x).\n", host_pid);
1101 break;
1102 }
1103
1104 /* Ignore reserved bits from RSCN-payload. */
1105 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
1106
1107 /* Skip RSCNs for virtual ports on the same physical port */
1108 if (qla2x00_is_a_vp_did(vha, rscn_entry))
1109 break;
1110
1111 atomic_set(&vha->loop_down_timer, 0);
1112 vha->flags.management_server_logged_in = 0;
1113 {
1114 struct event_arg ea;
1115
1116 memset(&ea, 0, sizeof(ea));
1117 ea.id.b24 = rscn_entry;
1118 ea.id.b.rsvd_1 = rscn_entry >> 24;
1119 qla2x00_handle_rscn(vha, &ea);
1120 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
1121 }
1122 break;
1123 /* case MBA_RIO_RESPONSE: */
1124 case MBA_ZIO_RESPONSE:
1125 ql_dbg(ql_dbg_async, vha, 0x5015,
1126 "[R|Z]IO update completion.\n");
1127
1128 if (IS_FWI2_CAPABLE(ha))
1129 qla24xx_process_response_queue(vha, rsp);
1130 else
1131 qla2x00_process_response_queue(rsp);
1132 break;
1133
1134 case MBA_DISCARD_RND_FRAME:
1135 ql_dbg(ql_dbg_async, vha, 0x5016,
1136 "Discard RND Frame -- %04x %04x %04x.\n",
1137 mb[1], mb[2], mb[3]);
1138 break;
1139
1140 case MBA_TRACE_NOTIFICATION:
1141 ql_dbg(ql_dbg_async, vha, 0x5017,
1142 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
1143 break;
1144
1145 case MBA_ISP84XX_ALERT:
1146 ql_dbg(ql_dbg_async, vha, 0x5018,
1147 "ISP84XX Alert Notification -- %04x %04x %04x.\n",
1148 mb[1], mb[2], mb[3]);
1149
1150 spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
1151 switch (mb[1]) {
1152 case A84_PANIC_RECOVERY:
1153 ql_log(ql_log_info, vha, 0x5019,
1154 "Alert 84XX: panic recovery %04x %04x.\n",
1155 mb[2], mb[3]);
1156 break;
1157 case A84_OP_LOGIN_COMPLETE:
1158 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
1159 ql_log(ql_log_info, vha, 0x501a,
1160 "Alert 84XX: firmware version %x.\n",
1161 ha->cs84xx->op_fw_version);
1162 break;
1163 case A84_DIAG_LOGIN_COMPLETE:
1164 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1165 ql_log(ql_log_info, vha, 0x501b,
1166 "Alert 84XX: diagnostic firmware version %x.\n",
1167 ha->cs84xx->diag_fw_version);
1168 break;
1169 case A84_GOLD_LOGIN_COMPLETE:
1170 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
1171 ha->cs84xx->fw_update = 1;
1172 ql_log(ql_log_info, vha, 0x501c,
1173 "Alert 84XX: gold firmware version %x.\n",
1174 ha->cs84xx->gold_fw_version);
1175 break;
1176 default:
1177 ql_log(ql_log_warn, vha, 0x501d,
1178 "Alert 84xx: Invalid Alert %04x %04x %04x.\n",
1179 mb[1], mb[2], mb[3]);
1180 }
1181 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
1182 break;
1183 case MBA_DCBX_START:
1184 ql_dbg(ql_dbg_async, vha, 0x501e,
1185 "DCBX Started -- %04x %04x %04x.\n",
1186 mb[1], mb[2], mb[3]);
1187 break;
1188 case MBA_DCBX_PARAM_UPDATE:
1189 ql_dbg(ql_dbg_async, vha, 0x501f,
1190 "DCBX Parameters Updated -- %04x %04x %04x.\n",
1191 mb[1], mb[2], mb[3]);
1192 break;
1193 case MBA_FCF_CONF_ERR:
1194 ql_dbg(ql_dbg_async, vha, 0x5020,
1195 "FCF Configuration Error -- %04x %04x %04x.\n",
1196 mb[1], mb[2], mb[3]);
1197 break;
1198 case MBA_IDC_NOTIFY:
1199 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
1200 mb[4] = RD_REG_WORD(®24->mailbox4);
1201 if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
1202 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
1203 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
1204 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
1205 /*
1206 * Extend loop down timer since port is active.
1207 */
1208 if (atomic_read(&vha->loop_state) == LOOP_DOWN)
1209 atomic_set(&vha->loop_down_timer,
1210 LOOP_DOWN_TIME);
1211 qla2xxx_wake_dpc(vha);
1212 }
1213 }
1214 /* fall through */
1215 case MBA_IDC_COMPLETE:
1216 if (ha->notify_lb_portup_comp && !vha->vp_idx)
1217 complete(&ha->lb_portup_comp);
1218 /* Fallthru */
1219 case MBA_IDC_TIME_EXT:
1220 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
1221 IS_QLA8044(ha))
1222 qla81xx_idc_event(vha, mb[0], mb[1]);
1223 break;
1224
1225 case MBA_IDC_AEN:
1226 mb[4] = RD_REG_WORD(®24->mailbox4);
1227 mb[5] = RD_REG_WORD(®24->mailbox5);
1228 mb[6] = RD_REG_WORD(®24->mailbox6);
1229 mb[7] = RD_REG_WORD(®24->mailbox7);
1230 qla83xx_handle_8200_aen(vha, mb);
1231 break;
1232
1233 case MBA_DPORT_DIAGNOSTICS:
1234 ql_dbg(ql_dbg_async, vha, 0x5052,
1235 "D-Port Diagnostics: %04x result=%s\n",
1236 mb[0],
1237 mb[1] == 0 ? "start" :
1238 mb[1] == 1 ? "done (pass)" :
1239 mb[1] == 2 ? "done (error)" : "other");
1240 break;
1241
1242 case MBA_TEMPERATURE_ALERT:
1243 ql_dbg(ql_dbg_async, vha, 0x505e,
1244 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
1245 if (mb[1] == 0x12)
1246 schedule_work(&ha->board_disable);
1247 break;
1248
1249 case MBA_TRANS_INSERT:
1250 ql_dbg(ql_dbg_async, vha, 0x5091,
1251 "Transceiver Insertion: %04x\n", mb[1]);
1252 break;
1253
1254 default:
1255 ql_dbg(ql_dbg_async, vha, 0x5057,
1256 "Unknown AEN:%04x %04x %04x %04x\n",
1257 mb[0], mb[1], mb[2], mb[3]);
1258 }
1259
1260 qlt_async_event(mb[0], vha, mb);
1261
1262 if (!vha->vp_idx && ha->num_vhosts)
1263 qla2x00_alert_all_vps(rsp, mb);
1264 }
1265
1266 /**
1267 * qla2x00_process_completed_request() - Process a Fast Post response.
1268 * @vha: SCSI driver HA context
1269 * @req: request queue
1270 * @index: SRB index
1271 */
1272 void
qla2x00_process_completed_request(struct scsi_qla_host * vha,struct req_que * req,uint32_t index)1273 qla2x00_process_completed_request(struct scsi_qla_host *vha,
1274 struct req_que *req, uint32_t index)
1275 {
1276 srb_t *sp;
1277 struct qla_hw_data *ha = vha->hw;
1278
1279 /* Validate handle. */
1280 if (index >= req->num_outstanding_cmds) {
1281 ql_log(ql_log_warn, vha, 0x3014,
1282 "Invalid SCSI command index (%x).\n", index);
1283
1284 if (IS_P3P_TYPE(ha))
1285 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1286 else
1287 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1288 return;
1289 }
1290
1291 sp = req->outstanding_cmds[index];
1292 if (sp) {
1293 /* Free outstanding command slot. */
1294 req->outstanding_cmds[index] = NULL;
1295
1296 /* Save ISP completion status */
1297 sp->done(sp, DID_OK << 16);
1298 } else {
1299 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
1300
1301 if (IS_P3P_TYPE(ha))
1302 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1303 else
1304 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1305 }
1306 }
1307
1308 srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t * vha,const char * func,struct req_que * req,void * iocb)1309 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
1310 struct req_que *req, void *iocb)
1311 {
1312 struct qla_hw_data *ha = vha->hw;
1313 sts_entry_t *pkt = iocb;
1314 srb_t *sp = NULL;
1315 uint16_t index;
1316
1317 index = LSW(pkt->handle);
1318 if (index >= req->num_outstanding_cmds) {
1319 ql_log(ql_log_warn, vha, 0x5031,
1320 "Invalid command index (%x) type %8ph.\n",
1321 index, iocb);
1322 if (IS_P3P_TYPE(ha))
1323 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1324 else
1325 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1326 goto done;
1327 }
1328 sp = req->outstanding_cmds[index];
1329 if (!sp) {
1330 ql_log(ql_log_warn, vha, 0x5032,
1331 "Invalid completion handle (%x) -- timed-out.\n", index);
1332 return sp;
1333 }
1334 if (sp->handle != index) {
1335 ql_log(ql_log_warn, vha, 0x5033,
1336 "SRB handle (%x) mismatch %x.\n", sp->handle, index);
1337 return NULL;
1338 }
1339
1340 req->outstanding_cmds[index] = NULL;
1341
1342 done:
1343 return sp;
1344 }
1345
1346 static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_entry * mbx)1347 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1348 struct mbx_entry *mbx)
1349 {
1350 const char func[] = "MBX-IOCB";
1351 const char *type;
1352 fc_port_t *fcport;
1353 srb_t *sp;
1354 struct srb_iocb *lio;
1355 uint16_t *data;
1356 uint16_t status;
1357
1358 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
1359 if (!sp)
1360 return;
1361
1362 lio = &sp->u.iocb_cmd;
1363 type = sp->name;
1364 fcport = sp->fcport;
1365 data = lio->u.logio.data;
1366
1367 data[0] = MBS_COMMAND_ERROR;
1368 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1369 QLA_LOGIO_LOGIN_RETRIED : 0;
1370 if (mbx->entry_status) {
1371 ql_dbg(ql_dbg_async, vha, 0x5043,
1372 "Async-%s error entry - hdl=%x portid=%02x%02x%02x "
1373 "entry-status=%x status=%x state-flag=%x "
1374 "status-flags=%x.\n", type, sp->handle,
1375 fcport->d_id.b.domain, fcport->d_id.b.area,
1376 fcport->d_id.b.al_pa, mbx->entry_status,
1377 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
1378 le16_to_cpu(mbx->status_flags));
1379
1380 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
1381 mbx, sizeof(*mbx));
1382
1383 goto logio_done;
1384 }
1385
1386 status = le16_to_cpu(mbx->status);
1387 if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
1388 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
1389 status = 0;
1390 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
1391 ql_dbg(ql_dbg_async, vha, 0x5045,
1392 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
1393 type, sp->handle, fcport->d_id.b.domain,
1394 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1395 le16_to_cpu(mbx->mb1));
1396
1397 data[0] = MBS_COMMAND_COMPLETE;
1398 if (sp->type == SRB_LOGIN_CMD) {
1399 fcport->port_type = FCT_TARGET;
1400 if (le16_to_cpu(mbx->mb1) & BIT_0)
1401 fcport->port_type = FCT_INITIATOR;
1402 else if (le16_to_cpu(mbx->mb1) & BIT_1)
1403 fcport->flags |= FCF_FCP2_DEVICE;
1404 }
1405 goto logio_done;
1406 }
1407
1408 data[0] = le16_to_cpu(mbx->mb0);
1409 switch (data[0]) {
1410 case MBS_PORT_ID_USED:
1411 data[1] = le16_to_cpu(mbx->mb1);
1412 break;
1413 case MBS_LOOP_ID_USED:
1414 break;
1415 default:
1416 data[0] = MBS_COMMAND_ERROR;
1417 break;
1418 }
1419
1420 ql_log(ql_log_warn, vha, 0x5046,
1421 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
1422 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
1423 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
1424 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
1425 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
1426 le16_to_cpu(mbx->mb7));
1427
1428 logio_done:
1429 sp->done(sp, 0);
1430 }
1431
1432 static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct mbx_24xx_entry * pkt)1433 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1434 struct mbx_24xx_entry *pkt)
1435 {
1436 const char func[] = "MBX-IOCB2";
1437 srb_t *sp;
1438 struct srb_iocb *si;
1439 u16 sz, i;
1440 int res;
1441
1442 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1443 if (!sp)
1444 return;
1445
1446 si = &sp->u.iocb_cmd;
1447 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
1448
1449 for (i = 0; i < sz; i++)
1450 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]);
1451
1452 res = (si->u.mbx.in_mb[0] & MBS_MASK);
1453
1454 sp->done(sp, res);
1455 }
1456
1457 static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct nack_to_isp * pkt)1458 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1459 struct nack_to_isp *pkt)
1460 {
1461 const char func[] = "nack";
1462 srb_t *sp;
1463 int res = 0;
1464
1465 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1466 if (!sp)
1467 return;
1468
1469 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
1470 res = QLA_FUNCTION_FAILED;
1471
1472 sp->done(sp, res);
1473 }
1474
1475 static void
qla2x00_ct_entry(scsi_qla_host_t * vha,struct req_que * req,sts_entry_t * pkt,int iocb_type)1476 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1477 sts_entry_t *pkt, int iocb_type)
1478 {
1479 const char func[] = "CT_IOCB";
1480 const char *type;
1481 srb_t *sp;
1482 struct bsg_job *bsg_job;
1483 struct fc_bsg_reply *bsg_reply;
1484 uint16_t comp_status;
1485 int res = 0;
1486
1487 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1488 if (!sp)
1489 return;
1490
1491 switch (sp->type) {
1492 case SRB_CT_CMD:
1493 bsg_job = sp->u.bsg_job;
1494 bsg_reply = bsg_job->reply;
1495
1496 type = "ct pass-through";
1497
1498 comp_status = le16_to_cpu(pkt->comp_status);
1499
1500 /*
1501 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1502 * fc payload to the caller
1503 */
1504 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1505 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
1506
1507 if (comp_status != CS_COMPLETE) {
1508 if (comp_status == CS_DATA_UNDERRUN) {
1509 res = DID_OK << 16;
1510 bsg_reply->reply_payload_rcv_len =
1511 le16_to_cpu(pkt->rsp_info_len);
1512
1513 ql_log(ql_log_warn, vha, 0x5048,
1514 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
1515 type, comp_status,
1516 bsg_reply->reply_payload_rcv_len);
1517 } else {
1518 ql_log(ql_log_warn, vha, 0x5049,
1519 "CT pass-through-%s error comp_status=0x%x.\n",
1520 type, comp_status);
1521 res = DID_ERROR << 16;
1522 bsg_reply->reply_payload_rcv_len = 0;
1523 }
1524 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
1525 pkt, sizeof(*pkt));
1526 } else {
1527 res = DID_OK << 16;
1528 bsg_reply->reply_payload_rcv_len =
1529 bsg_job->reply_payload.payload_len;
1530 bsg_job->reply_len = 0;
1531 }
1532 break;
1533 case SRB_CT_PTHRU_CMD:
1534 /*
1535 * borrowing sts_entry_24xx.comp_status.
1536 * same location as ct_entry_24xx.comp_status
1537 */
1538 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
1539 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1540 sp->name);
1541 break;
1542 }
1543
1544 sp->done(sp, res);
1545 }
1546
1547 static void
qla24xx_els_ct_entry(scsi_qla_host_t * vha,struct req_que * req,struct sts_entry_24xx * pkt,int iocb_type)1548 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
1549 struct sts_entry_24xx *pkt, int iocb_type)
1550 {
1551 const char func[] = "ELS_CT_IOCB";
1552 const char *type;
1553 srb_t *sp;
1554 struct bsg_job *bsg_job;
1555 struct fc_bsg_reply *bsg_reply;
1556 uint16_t comp_status;
1557 uint32_t fw_status[3];
1558 int res;
1559 struct srb_iocb *els;
1560
1561 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
1562 if (!sp)
1563 return;
1564
1565 type = NULL;
1566 switch (sp->type) {
1567 case SRB_ELS_CMD_RPT:
1568 case SRB_ELS_CMD_HST:
1569 type = "els";
1570 break;
1571 case SRB_CT_CMD:
1572 type = "ct pass-through";
1573 break;
1574 case SRB_ELS_DCMD:
1575 type = "Driver ELS logo";
1576 if (iocb_type != ELS_IOCB_TYPE) {
1577 ql_dbg(ql_dbg_user, vha, 0x5047,
1578 "Completing %s: (%p) type=%d.\n",
1579 type, sp, sp->type);
1580 sp->done(sp, 0);
1581 return;
1582 }
1583 break;
1584 case SRB_CT_PTHRU_CMD:
1585 /* borrowing sts_entry_24xx.comp_status.
1586 same location as ct_entry_24xx.comp_status
1587 */
1588 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
1589 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
1590 sp->name);
1591 sp->done(sp, res);
1592 return;
1593 default:
1594 ql_dbg(ql_dbg_user, vha, 0x503e,
1595 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
1596 return;
1597 }
1598
1599 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
1600 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
1601 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
1602
1603 if (iocb_type == ELS_IOCB_TYPE) {
1604 els = &sp->u.iocb_cmd;
1605 els->u.els_plogi.fw_status[0] = fw_status[0];
1606 els->u.els_plogi.fw_status[1] = fw_status[1];
1607 els->u.els_plogi.fw_status[2] = fw_status[2];
1608 els->u.els_plogi.comp_status = fw_status[0];
1609 if (comp_status == CS_COMPLETE) {
1610 res = DID_OK << 16;
1611 } else {
1612 if (comp_status == CS_DATA_UNDERRUN) {
1613 res = DID_OK << 16;
1614 els->u.els_plogi.len =
1615 le16_to_cpu(((struct els_sts_entry_24xx *)
1616 pkt)->total_byte_count);
1617 } else {
1618 els->u.els_plogi.len = 0;
1619 res = DID_ERROR << 16;
1620 }
1621 }
1622 ql_dbg(ql_dbg_user, vha, 0x503f,
1623 "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",
1624 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1625 le16_to_cpu(((struct els_sts_entry_24xx *)
1626 pkt)->total_byte_count));
1627 goto els_ct_done;
1628 }
1629
1630 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
1631 * fc payload to the caller
1632 */
1633 bsg_job = sp->u.bsg_job;
1634 bsg_reply = bsg_job->reply;
1635 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
1636 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
1637
1638 if (comp_status != CS_COMPLETE) {
1639 if (comp_status == CS_DATA_UNDERRUN) {
1640 res = DID_OK << 16;
1641 bsg_reply->reply_payload_rcv_len =
1642 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count);
1643
1644 ql_dbg(ql_dbg_user, vha, 0x503f,
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 total_byte = 0x%x.\n",
1647 type, sp->handle, comp_status, fw_status[1], fw_status[2],
1648 le16_to_cpu(((struct els_sts_entry_24xx *)
1649 pkt)->total_byte_count));
1650 } else {
1651 ql_dbg(ql_dbg_user, vha, 0x5040,
1652 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
1653 "error subcode 1=0x%x error subcode 2=0x%x.\n",
1654 type, sp->handle, comp_status,
1655 le16_to_cpu(((struct els_sts_entry_24xx *)
1656 pkt)->error_subcode_1),
1657 le16_to_cpu(((struct els_sts_entry_24xx *)
1658 pkt)->error_subcode_2));
1659 res = DID_ERROR << 16;
1660 bsg_reply->reply_payload_rcv_len = 0;
1661 }
1662 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
1663 fw_status, sizeof(fw_status));
1664 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
1665 pkt, sizeof(*pkt));
1666 }
1667 else {
1668 res = DID_OK << 16;
1669 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
1670 bsg_job->reply_len = 0;
1671 }
1672 els_ct_done:
1673
1674 sp->done(sp, res);
1675 }
1676
1677 static void
qla24xx_logio_entry(scsi_qla_host_t * vha,struct req_que * req,struct logio_entry_24xx * logio)1678 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
1679 struct logio_entry_24xx *logio)
1680 {
1681 const char func[] = "LOGIO-IOCB";
1682 const char *type;
1683 fc_port_t *fcport;
1684 srb_t *sp;
1685 struct srb_iocb *lio;
1686 uint16_t *data;
1687 uint32_t iop[2];
1688
1689 sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
1690 if (!sp)
1691 return;
1692
1693 lio = &sp->u.iocb_cmd;
1694 type = sp->name;
1695 fcport = sp->fcport;
1696 data = lio->u.logio.data;
1697
1698 data[0] = MBS_COMMAND_ERROR;
1699 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
1700 QLA_LOGIO_LOGIN_RETRIED : 0;
1701 if (logio->entry_status) {
1702 ql_log(ql_log_warn, fcport->vha, 0x5034,
1703 "Async-%s error entry - %8phC hdl=%x"
1704 "portid=%02x%02x%02x entry-status=%x.\n",
1705 type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
1706 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1707 logio->entry_status);
1708 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
1709 logio, sizeof(*logio));
1710
1711 goto logio_done;
1712 }
1713
1714 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
1715 ql_dbg(ql_dbg_async, fcport->vha, 0x5036,
1716 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x "
1717 "iop0=%x.\n", type, fcport->port_name, sp->handle,
1718 fcport->d_id.b.domain,
1719 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1720 le32_to_cpu(logio->io_parameter[0]));
1721
1722 vha->hw->exch_starvation = 0;
1723 data[0] = MBS_COMMAND_COMPLETE;
1724
1725 if (sp->type == SRB_PRLI_CMD) {
1726 lio->u.logio.iop[0] =
1727 le32_to_cpu(logio->io_parameter[0]);
1728 lio->u.logio.iop[1] =
1729 le32_to_cpu(logio->io_parameter[1]);
1730 goto logio_done;
1731 }
1732
1733 if (sp->type != SRB_LOGIN_CMD)
1734 goto logio_done;
1735
1736 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1737 if (iop[0] & BIT_4) {
1738 fcport->port_type = FCT_TARGET;
1739 if (iop[0] & BIT_8)
1740 fcport->flags |= FCF_FCP2_DEVICE;
1741 } else if (iop[0] & BIT_5)
1742 fcport->port_type = FCT_INITIATOR;
1743
1744 if (iop[0] & BIT_7)
1745 fcport->flags |= FCF_CONF_COMP_SUPPORTED;
1746
1747 if (logio->io_parameter[7] || logio->io_parameter[8])
1748 fcport->supported_classes |= FC_COS_CLASS2;
1749 if (logio->io_parameter[9] || logio->io_parameter[10])
1750 fcport->supported_classes |= FC_COS_CLASS3;
1751
1752 goto logio_done;
1753 }
1754
1755 iop[0] = le32_to_cpu(logio->io_parameter[0]);
1756 iop[1] = le32_to_cpu(logio->io_parameter[1]);
1757 lio->u.logio.iop[0] = iop[0];
1758 lio->u.logio.iop[1] = iop[1];
1759 switch (iop[0]) {
1760 case LSC_SCODE_PORTID_USED:
1761 data[0] = MBS_PORT_ID_USED;
1762 data[1] = LSW(iop[1]);
1763 break;
1764 case LSC_SCODE_NPORT_USED:
1765 data[0] = MBS_LOOP_ID_USED;
1766 break;
1767 case LSC_SCODE_CMD_FAILED:
1768 if (iop[1] == 0x0606) {
1769 /*
1770 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
1771 * Target side acked.
1772 */
1773 data[0] = MBS_COMMAND_COMPLETE;
1774 goto logio_done;
1775 }
1776 data[0] = MBS_COMMAND_ERROR;
1777 break;
1778 case LSC_SCODE_NOXCB:
1779 vha->hw->exch_starvation++;
1780 if (vha->hw->exch_starvation > 5) {
1781 ql_log(ql_log_warn, vha, 0xd046,
1782 "Exchange starvation. Resetting RISC\n");
1783
1784 vha->hw->exch_starvation = 0;
1785
1786 if (IS_P3P_TYPE(vha->hw))
1787 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
1788 else
1789 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1790 qla2xxx_wake_dpc(vha);
1791 }
1792 /* fall through */
1793 default:
1794 data[0] = MBS_COMMAND_ERROR;
1795 break;
1796 }
1797
1798 ql_dbg(ql_dbg_async, fcport->vha, 0x5037,
1799 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x "
1800 "iop0=%x iop1=%x.\n", type, fcport->port_name,
1801 sp->handle, fcport->d_id.b.domain,
1802 fcport->d_id.b.area, fcport->d_id.b.al_pa,
1803 le16_to_cpu(logio->comp_status),
1804 le32_to_cpu(logio->io_parameter[0]),
1805 le32_to_cpu(logio->io_parameter[1]));
1806
1807 logio_done:
1808 sp->done(sp, 0);
1809 }
1810
1811 static void
qla24xx_tm_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk)1812 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
1813 {
1814 const char func[] = "TMF-IOCB";
1815 const char *type;
1816 fc_port_t *fcport;
1817 srb_t *sp;
1818 struct srb_iocb *iocb;
1819 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1820
1821 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
1822 if (!sp)
1823 return;
1824
1825 iocb = &sp->u.iocb_cmd;
1826 type = sp->name;
1827 fcport = sp->fcport;
1828 iocb->u.tmf.data = QLA_SUCCESS;
1829
1830 if (sts->entry_status) {
1831 ql_log(ql_log_warn, fcport->vha, 0x5038,
1832 "Async-%s error - hdl=%x entry-status(%x).\n",
1833 type, sp->handle, sts->entry_status);
1834 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1835 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
1836 ql_log(ql_log_warn, fcport->vha, 0x5039,
1837 "Async-%s error - hdl=%x completion status(%x).\n",
1838 type, sp->handle, sts->comp_status);
1839 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1840 } else if ((le16_to_cpu(sts->scsi_status) &
1841 SS_RESPONSE_INFO_LEN_VALID)) {
1842 if (le32_to_cpu(sts->rsp_data_len) < 4) {
1843 ql_log(ql_log_warn, fcport->vha, 0x503b,
1844 "Async-%s error - hdl=%x not enough response(%d).\n",
1845 type, sp->handle, sts->rsp_data_len);
1846 } else if (sts->data[3]) {
1847 ql_log(ql_log_warn, fcport->vha, 0x503c,
1848 "Async-%s error - hdl=%x response(%x).\n",
1849 type, sp->handle, sts->data[3]);
1850 iocb->u.tmf.data = QLA_FUNCTION_FAILED;
1851 }
1852 }
1853
1854 if (iocb->u.tmf.data != QLA_SUCCESS)
1855 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
1856 sts, sizeof(*sts));
1857
1858 sp->done(sp, 0);
1859 }
1860
qla24xx_nvme_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,void * tsk,srb_t * sp)1861 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
1862 void *tsk, srb_t *sp)
1863 {
1864 fc_port_t *fcport;
1865 struct srb_iocb *iocb;
1866 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
1867 uint16_t state_flags;
1868 struct nvmefc_fcp_req *fd;
1869 uint16_t ret = QLA_SUCCESS;
1870 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1871
1872 iocb = &sp->u.iocb_cmd;
1873 fcport = sp->fcport;
1874 iocb->u.nvme.comp_status = comp_status;
1875 state_flags = le16_to_cpu(sts->state_flags);
1876 fd = iocb->u.nvme.desc;
1877
1878 if (unlikely(iocb->u.nvme.aen_op))
1879 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
1880
1881 /*
1882 * State flags: Bit 6 and 0.
1883 * If 0 is set, we don't care about 6.
1884 * both cases resp was dma'd to host buffer
1885 * if both are 0, that is good path case.
1886 * if six is set and 0 is clear, we need to
1887 * copy resp data from status iocb to resp buffer.
1888 */
1889 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
1890 iocb->u.nvme.rsp_pyld_len = 0;
1891 } else if ((state_flags & SF_FCP_RSP_DMA)) {
1892 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1893 } else if (state_flags & SF_NVME_ERSP) {
1894 uint32_t *inbuf, *outbuf;
1895 uint16_t iter;
1896
1897 inbuf = (uint32_t *)&sts->nvme_ersp_data;
1898 outbuf = (uint32_t *)fd->rspaddr;
1899 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len);
1900 iter = iocb->u.nvme.rsp_pyld_len >> 2;
1901 for (; iter; iter--)
1902 *outbuf++ = swab32(*inbuf++);
1903 } else { /* unhandled case */
1904 ql_log(ql_log_warn, fcport->vha, 0x503a,
1905 "NVME-%s error. Unhandled state_flags of %x\n",
1906 sp->name, state_flags);
1907 }
1908
1909 fd->transferred_length = fd->payload_length -
1910 le32_to_cpu(sts->residual_len);
1911
1912 if (unlikely(comp_status != CS_COMPLETE))
1913 ql_log(ql_log_warn, fcport->vha, 0x5060,
1914 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
1915 sp->name, sp->handle, comp_status,
1916 fd->transferred_length, le32_to_cpu(sts->residual_len),
1917 sts->ox_id);
1918
1919 /*
1920 * If transport error then Failure (HBA rejects request)
1921 * otherwise transport will handle.
1922 */
1923 switch (comp_status) {
1924 case CS_COMPLETE:
1925 break;
1926
1927 case CS_RESET:
1928 case CS_PORT_UNAVAILABLE:
1929 case CS_PORT_LOGGED_OUT:
1930 fcport->nvme_flag |= NVME_FLAG_RESETTING;
1931 /* fall through */
1932 case CS_ABORTED:
1933 case CS_PORT_BUSY:
1934 fd->transferred_length = 0;
1935 iocb->u.nvme.rsp_pyld_len = 0;
1936 ret = QLA_ABORTED;
1937 break;
1938 case CS_DATA_UNDERRUN:
1939 break;
1940 default:
1941 ret = QLA_FUNCTION_FAILED;
1942 break;
1943 }
1944 sp->done(sp, ret);
1945 }
1946
qla_ctrlvp_completed(scsi_qla_host_t * vha,struct req_que * req,struct vp_ctrl_entry_24xx * vce)1947 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
1948 struct vp_ctrl_entry_24xx *vce)
1949 {
1950 const char func[] = "CTRLVP-IOCB";
1951 srb_t *sp;
1952 int rval = QLA_SUCCESS;
1953
1954 sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
1955 if (!sp)
1956 return;
1957
1958 if (vce->entry_status != 0) {
1959 ql_dbg(ql_dbg_vport, vha, 0x10c4,
1960 "%s: Failed to complete IOCB -- error status (%x)\n",
1961 sp->name, vce->entry_status);
1962 rval = QLA_FUNCTION_FAILED;
1963 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
1964 ql_dbg(ql_dbg_vport, vha, 0x10c5,
1965 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
1966 sp->name, le16_to_cpu(vce->comp_status),
1967 le16_to_cpu(vce->vp_idx_failed));
1968 rval = QLA_FUNCTION_FAILED;
1969 } else {
1970 ql_dbg(ql_dbg_vport, vha, 0x10c6,
1971 "Done %s.\n", __func__);
1972 }
1973
1974 sp->rc = rval;
1975 sp->done(sp, rval);
1976 }
1977
1978 /* Process a single response queue entry. */
qla2x00_process_response_entry(struct scsi_qla_host * vha,struct rsp_que * rsp,sts_entry_t * pkt)1979 static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
1980 struct rsp_que *rsp,
1981 sts_entry_t *pkt)
1982 {
1983 sts21_entry_t *sts21_entry;
1984 sts22_entry_t *sts22_entry;
1985 uint16_t handle_cnt;
1986 uint16_t cnt;
1987
1988 switch (pkt->entry_type) {
1989 case STATUS_TYPE:
1990 qla2x00_status_entry(vha, rsp, pkt);
1991 break;
1992 case STATUS_TYPE_21:
1993 sts21_entry = (sts21_entry_t *)pkt;
1994 handle_cnt = sts21_entry->handle_count;
1995 for (cnt = 0; cnt < handle_cnt; cnt++)
1996 qla2x00_process_completed_request(vha, rsp->req,
1997 sts21_entry->handle[cnt]);
1998 break;
1999 case STATUS_TYPE_22:
2000 sts22_entry = (sts22_entry_t *)pkt;
2001 handle_cnt = sts22_entry->handle_count;
2002 for (cnt = 0; cnt < handle_cnt; cnt++)
2003 qla2x00_process_completed_request(vha, rsp->req,
2004 sts22_entry->handle[cnt]);
2005 break;
2006 case STATUS_CONT_TYPE:
2007 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2008 break;
2009 case MBX_IOCB_TYPE:
2010 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
2011 break;
2012 case CT_IOCB_TYPE:
2013 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
2014 break;
2015 default:
2016 /* Type Not Supported. */
2017 ql_log(ql_log_warn, vha, 0x504a,
2018 "Received unknown response pkt type %x entry status=%x.\n",
2019 pkt->entry_type, pkt->entry_status);
2020 break;
2021 }
2022 }
2023
2024 /**
2025 * qla2x00_process_response_queue() - Process response queue entries.
2026 * @rsp: response queue
2027 */
2028 void
qla2x00_process_response_queue(struct rsp_que * rsp)2029 qla2x00_process_response_queue(struct rsp_que *rsp)
2030 {
2031 struct scsi_qla_host *vha;
2032 struct qla_hw_data *ha = rsp->hw;
2033 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2034 sts_entry_t *pkt;
2035
2036 vha = pci_get_drvdata(ha->pdev);
2037
2038 if (!vha->flags.online)
2039 return;
2040
2041 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2042 pkt = (sts_entry_t *)rsp->ring_ptr;
2043
2044 rsp->ring_index++;
2045 if (rsp->ring_index == rsp->length) {
2046 rsp->ring_index = 0;
2047 rsp->ring_ptr = rsp->ring;
2048 } else {
2049 rsp->ring_ptr++;
2050 }
2051
2052 if (pkt->entry_status != 0) {
2053 qla2x00_error_entry(vha, rsp, pkt);
2054 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2055 wmb();
2056 continue;
2057 }
2058
2059 qla2x00_process_response_entry(vha, rsp, pkt);
2060 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
2061 wmb();
2062 }
2063
2064 /* Adjust ring index */
2065 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
2066 }
2067
2068 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)2069 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2070 uint32_t sense_len, struct rsp_que *rsp, int res)
2071 {
2072 struct scsi_qla_host *vha = sp->vha;
2073 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2074 uint32_t track_sense_len;
2075
2076 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2077 sense_len = SCSI_SENSE_BUFFERSIZE;
2078
2079 SET_CMD_SENSE_LEN(sp, sense_len);
2080 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2081 track_sense_len = sense_len;
2082
2083 if (sense_len > par_sense_len)
2084 sense_len = par_sense_len;
2085
2086 memcpy(cp->sense_buffer, sense_data, sense_len);
2087
2088 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2089 track_sense_len -= sense_len;
2090 SET_CMD_SENSE_LEN(sp, track_sense_len);
2091
2092 if (track_sense_len != 0) {
2093 rsp->status_srb = sp;
2094 cp->result = res;
2095 }
2096
2097 if (sense_len) {
2098 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
2099 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2100 sp->vha->host_no, cp->device->id, cp->device->lun,
2101 cp);
2102 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
2103 cp->sense_buffer, sense_len);
2104 }
2105 }
2106
2107 struct scsi_dif_tuple {
2108 __be16 guard; /* Checksum */
2109 __be16 app_tag; /* APPL identifier */
2110 __be32 ref_tag; /* Target LBA or indirect LBA */
2111 };
2112
2113 /*
2114 * Checks the guard or meta-data for the type of error
2115 * detected by the HBA. In case of errors, we set the
2116 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
2117 * to indicate to the kernel that the HBA detected error.
2118 */
2119 static inline int
qla2x00_handle_dif_error(srb_t * sp,struct sts_entry_24xx * sts24)2120 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
2121 {
2122 struct scsi_qla_host *vha = sp->vha;
2123 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
2124 uint8_t *ap = &sts24->data[12];
2125 uint8_t *ep = &sts24->data[20];
2126 uint32_t e_ref_tag, a_ref_tag;
2127 uint16_t e_app_tag, a_app_tag;
2128 uint16_t e_guard, a_guard;
2129
2130 /*
2131 * swab32 of the "data" field in the beginning of qla2x00_status_entry()
2132 * would make guard field appear at offset 2
2133 */
2134 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2));
2135 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0));
2136 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4));
2137 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2));
2138 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0));
2139 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4));
2140
2141 ql_dbg(ql_dbg_io, vha, 0x3023,
2142 "iocb(s) %p Returned STATUS.\n", sts24);
2143
2144 ql_dbg(ql_dbg_io, vha, 0x3024,
2145 "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
2146 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
2147 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
2148 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
2149 a_app_tag, e_app_tag, a_guard, e_guard);
2150
2151 /*
2152 * Ignore sector if:
2153 * For type 3: ref & app tag is all 'f's
2154 * For type 0,1,2: app tag is all 'f's
2155 */
2156 if ((a_app_tag == T10_PI_APP_ESCAPE) &&
2157 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) ||
2158 (a_ref_tag == T10_PI_REF_ESCAPE))) {
2159 uint32_t blocks_done, resid;
2160 sector_t lba_s = scsi_get_lba(cmd);
2161
2162 /* 2TB boundary case covered automatically with this */
2163 blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
2164
2165 resid = scsi_bufflen(cmd) - (blocks_done *
2166 cmd->device->sector_size);
2167
2168 scsi_set_resid(cmd, resid);
2169 cmd->result = DID_OK << 16;
2170
2171 /* Update protection tag */
2172 if (scsi_prot_sg_count(cmd)) {
2173 uint32_t i, j = 0, k = 0, num_ent;
2174 struct scatterlist *sg;
2175 struct t10_pi_tuple *spt;
2176
2177 /* Patch the corresponding protection tags */
2178 scsi_for_each_prot_sg(cmd, sg,
2179 scsi_prot_sg_count(cmd), i) {
2180 num_ent = sg_dma_len(sg) / 8;
2181 if (k + num_ent < blocks_done) {
2182 k += num_ent;
2183 continue;
2184 }
2185 j = blocks_done - k - 1;
2186 k = blocks_done;
2187 break;
2188 }
2189
2190 if (k != blocks_done) {
2191 ql_log(ql_log_warn, vha, 0x302f,
2192 "unexpected tag values tag:lba=%x:%llx)\n",
2193 e_ref_tag, (unsigned long long)lba_s);
2194 return 1;
2195 }
2196
2197 spt = page_address(sg_page(sg)) + sg->offset;
2198 spt += j;
2199
2200 spt->app_tag = T10_PI_APP_ESCAPE;
2201 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
2202 spt->ref_tag = T10_PI_REF_ESCAPE;
2203 }
2204
2205 return 0;
2206 }
2207
2208 /* check guard */
2209 if (e_guard != a_guard) {
2210 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2211 0x10, 0x1);
2212 set_driver_byte(cmd, DRIVER_SENSE);
2213 set_host_byte(cmd, DID_ABORT);
2214 cmd->result |= SAM_STAT_CHECK_CONDITION;
2215 return 1;
2216 }
2217
2218 /* check ref tag */
2219 if (e_ref_tag != a_ref_tag) {
2220 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2221 0x10, 0x3);
2222 set_driver_byte(cmd, DRIVER_SENSE);
2223 set_host_byte(cmd, DID_ABORT);
2224 cmd->result |= SAM_STAT_CHECK_CONDITION;
2225 return 1;
2226 }
2227
2228 /* check appl tag */
2229 if (e_app_tag != a_app_tag) {
2230 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
2231 0x10, 0x2);
2232 set_driver_byte(cmd, DRIVER_SENSE);
2233 set_host_byte(cmd, DID_ABORT);
2234 cmd->result |= SAM_STAT_CHECK_CONDITION;
2235 return 1;
2236 }
2237
2238 return 1;
2239 }
2240
2241 static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t * vha,void * pkt,struct req_que * req,uint32_t index)2242 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
2243 struct req_que *req, uint32_t index)
2244 {
2245 struct qla_hw_data *ha = vha->hw;
2246 srb_t *sp;
2247 uint16_t comp_status;
2248 uint16_t scsi_status;
2249 uint16_t thread_id;
2250 uint32_t rval = EXT_STATUS_OK;
2251 struct bsg_job *bsg_job = NULL;
2252 struct fc_bsg_request *bsg_request;
2253 struct fc_bsg_reply *bsg_reply;
2254 sts_entry_t *sts = pkt;
2255 struct sts_entry_24xx *sts24 = pkt;
2256
2257 /* Validate handle. */
2258 if (index >= req->num_outstanding_cmds) {
2259 ql_log(ql_log_warn, vha, 0x70af,
2260 "Invalid SCSI completion handle 0x%x.\n", index);
2261 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2262 return;
2263 }
2264
2265 sp = req->outstanding_cmds[index];
2266 if (!sp) {
2267 ql_log(ql_log_warn, vha, 0x70b0,
2268 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
2269 req->id, index);
2270
2271 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2272 return;
2273 }
2274
2275 /* Free outstanding command slot. */
2276 req->outstanding_cmds[index] = NULL;
2277 bsg_job = sp->u.bsg_job;
2278 bsg_request = bsg_job->request;
2279 bsg_reply = bsg_job->reply;
2280
2281 if (IS_FWI2_CAPABLE(ha)) {
2282 comp_status = le16_to_cpu(sts24->comp_status);
2283 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2284 } else {
2285 comp_status = le16_to_cpu(sts->comp_status);
2286 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2287 }
2288
2289 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
2290 switch (comp_status) {
2291 case CS_COMPLETE:
2292 if (scsi_status == 0) {
2293 bsg_reply->reply_payload_rcv_len =
2294 bsg_job->reply_payload.payload_len;
2295 vha->qla_stats.input_bytes +=
2296 bsg_reply->reply_payload_rcv_len;
2297 vha->qla_stats.input_requests++;
2298 rval = EXT_STATUS_OK;
2299 }
2300 goto done;
2301
2302 case CS_DATA_OVERRUN:
2303 ql_dbg(ql_dbg_user, vha, 0x70b1,
2304 "Command completed with data overrun thread_id=%d\n",
2305 thread_id);
2306 rval = EXT_STATUS_DATA_OVERRUN;
2307 break;
2308
2309 case CS_DATA_UNDERRUN:
2310 ql_dbg(ql_dbg_user, vha, 0x70b2,
2311 "Command completed with data underrun thread_id=%d\n",
2312 thread_id);
2313 rval = EXT_STATUS_DATA_UNDERRUN;
2314 break;
2315 case CS_BIDIR_RD_OVERRUN:
2316 ql_dbg(ql_dbg_user, vha, 0x70b3,
2317 "Command completed with read data overrun thread_id=%d\n",
2318 thread_id);
2319 rval = EXT_STATUS_DATA_OVERRUN;
2320 break;
2321
2322 case CS_BIDIR_RD_WR_OVERRUN:
2323 ql_dbg(ql_dbg_user, vha, 0x70b4,
2324 "Command completed with read and write data overrun "
2325 "thread_id=%d\n", thread_id);
2326 rval = EXT_STATUS_DATA_OVERRUN;
2327 break;
2328
2329 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
2330 ql_dbg(ql_dbg_user, vha, 0x70b5,
2331 "Command completed with read data over and write data "
2332 "underrun thread_id=%d\n", thread_id);
2333 rval = EXT_STATUS_DATA_OVERRUN;
2334 break;
2335
2336 case CS_BIDIR_RD_UNDERRUN:
2337 ql_dbg(ql_dbg_user, vha, 0x70b6,
2338 "Command completed with read data underrun "
2339 "thread_id=%d\n", thread_id);
2340 rval = EXT_STATUS_DATA_UNDERRUN;
2341 break;
2342
2343 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
2344 ql_dbg(ql_dbg_user, vha, 0x70b7,
2345 "Command completed with read data under and write data "
2346 "overrun thread_id=%d\n", thread_id);
2347 rval = EXT_STATUS_DATA_UNDERRUN;
2348 break;
2349
2350 case CS_BIDIR_RD_WR_UNDERRUN:
2351 ql_dbg(ql_dbg_user, vha, 0x70b8,
2352 "Command completed with read and write data underrun "
2353 "thread_id=%d\n", thread_id);
2354 rval = EXT_STATUS_DATA_UNDERRUN;
2355 break;
2356
2357 case CS_BIDIR_DMA:
2358 ql_dbg(ql_dbg_user, vha, 0x70b9,
2359 "Command completed with data DMA error thread_id=%d\n",
2360 thread_id);
2361 rval = EXT_STATUS_DMA_ERR;
2362 break;
2363
2364 case CS_TIMEOUT:
2365 ql_dbg(ql_dbg_user, vha, 0x70ba,
2366 "Command completed with timeout thread_id=%d\n",
2367 thread_id);
2368 rval = EXT_STATUS_TIMEOUT;
2369 break;
2370 default:
2371 ql_dbg(ql_dbg_user, vha, 0x70bb,
2372 "Command completed with completion status=0x%x "
2373 "thread_id=%d\n", comp_status, thread_id);
2374 rval = EXT_STATUS_ERR;
2375 break;
2376 }
2377 bsg_reply->reply_payload_rcv_len = 0;
2378
2379 done:
2380 /* Return the vendor specific reply to API */
2381 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
2382 bsg_job->reply_len = sizeof(struct fc_bsg_reply);
2383 /* Always return DID_OK, bsg will send the vendor specific response
2384 * in this case only */
2385 sp->done(sp, DID_OK << 16);
2386
2387 }
2388
2389 /**
2390 * qla2x00_status_entry() - Process a Status IOCB entry.
2391 * @vha: SCSI driver HA context
2392 * @rsp: response queue
2393 * @pkt: Entry pointer
2394 */
2395 static void
qla2x00_status_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,void * pkt)2396 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2397 {
2398 srb_t *sp;
2399 fc_port_t *fcport;
2400 struct scsi_cmnd *cp;
2401 sts_entry_t *sts = pkt;
2402 struct sts_entry_24xx *sts24 = pkt;
2403 uint16_t comp_status;
2404 uint16_t scsi_status;
2405 uint16_t ox_id;
2406 uint8_t lscsi_status;
2407 int32_t resid;
2408 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2409 fw_resid_len;
2410 uint8_t *rsp_info, *sense_data;
2411 struct qla_hw_data *ha = vha->hw;
2412 uint32_t handle;
2413 uint16_t que;
2414 struct req_que *req;
2415 int logit = 1;
2416 int res = 0;
2417 uint16_t state_flags = 0;
2418 uint16_t retry_delay = 0;
2419
2420 if (IS_FWI2_CAPABLE(ha)) {
2421 comp_status = le16_to_cpu(sts24->comp_status);
2422 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
2423 state_flags = le16_to_cpu(sts24->state_flags);
2424 } else {
2425 comp_status = le16_to_cpu(sts->comp_status);
2426 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
2427 }
2428 handle = (uint32_t) LSW(sts->handle);
2429 que = MSW(sts->handle);
2430 req = ha->req_q_map[que];
2431
2432 /* Check for invalid queue pointer */
2433 if (req == NULL ||
2434 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
2435 ql_dbg(ql_dbg_io, vha, 0x3059,
2436 "Invalid status handle (0x%x): Bad req pointer. req=%p, "
2437 "que=%u.\n", sts->handle, req, que);
2438 return;
2439 }
2440
2441 /* Validate handle. */
2442 if (handle < req->num_outstanding_cmds) {
2443 sp = req->outstanding_cmds[handle];
2444 if (!sp) {
2445 ql_dbg(ql_dbg_io, vha, 0x3075,
2446 "%s(%ld): Already returned command for status handle (0x%x).\n",
2447 __func__, vha->host_no, sts->handle);
2448 return;
2449 }
2450 } else {
2451 ql_dbg(ql_dbg_io, vha, 0x3017,
2452 "Invalid status handle, out of range (0x%x).\n",
2453 sts->handle);
2454
2455 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
2456 if (IS_P3P_TYPE(ha))
2457 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
2458 else
2459 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2460 qla2xxx_wake_dpc(vha);
2461 }
2462 return;
2463 }
2464
2465 if (sp->abort)
2466 sp->aborted = 1;
2467 else
2468 sp->completed = 1;
2469
2470 if (sp->cmd_type != TYPE_SRB) {
2471 req->outstanding_cmds[handle] = NULL;
2472 ql_dbg(ql_dbg_io, vha, 0x3015,
2473 "Unknown sp->cmd_type %x %p).\n",
2474 sp->cmd_type, sp);
2475 return;
2476 }
2477
2478 /* NVME completion. */
2479 if (sp->type == SRB_NVME_CMD) {
2480 req->outstanding_cmds[handle] = NULL;
2481 qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
2482 return;
2483 }
2484
2485 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
2486 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
2487 return;
2488 }
2489
2490 /* Task Management completion. */
2491 if (sp->type == SRB_TM_CMD) {
2492 qla24xx_tm_iocb_entry(vha, req, pkt);
2493 return;
2494 }
2495
2496 /* Fast path completion. */
2497 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2498 qla2x00_process_completed_request(vha, req, handle);
2499
2500 return;
2501 }
2502
2503 req->outstanding_cmds[handle] = NULL;
2504 cp = GET_CMD_SP(sp);
2505 if (cp == NULL) {
2506 ql_dbg(ql_dbg_io, vha, 0x3018,
2507 "Command already returned (0x%x/%p).\n",
2508 sts->handle, sp);
2509
2510 return;
2511 }
2512
2513 lscsi_status = scsi_status & STATUS_MASK;
2514
2515 fcport = sp->fcport;
2516
2517 ox_id = 0;
2518 sense_len = par_sense_len = rsp_info_len = resid_len =
2519 fw_resid_len = 0;
2520 if (IS_FWI2_CAPABLE(ha)) {
2521 if (scsi_status & SS_SENSE_LEN_VALID)
2522 sense_len = le32_to_cpu(sts24->sense_len);
2523 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2524 rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
2525 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
2526 resid_len = le32_to_cpu(sts24->rsp_residual_count);
2527 if (comp_status == CS_DATA_UNDERRUN)
2528 fw_resid_len = le32_to_cpu(sts24->residual_len);
2529 rsp_info = sts24->data;
2530 sense_data = sts24->data;
2531 host_to_fcp_swap(sts24->data, sizeof(sts24->data));
2532 ox_id = le16_to_cpu(sts24->ox_id);
2533 par_sense_len = sizeof(sts24->data);
2534 /* Valid values of the retry delay timer are 0x1-0xffef */
2535 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
2536 retry_delay = sts24->retry_delay & 0x3fff;
2537 ql_dbg(ql_dbg_io, sp->vha, 0x3033,
2538 "%s: scope=%#x retry_delay=%#x\n", __func__,
2539 sts24->retry_delay >> 14, retry_delay);
2540 }
2541 } else {
2542 if (scsi_status & SS_SENSE_LEN_VALID)
2543 sense_len = le16_to_cpu(sts->req_sense_length);
2544 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
2545 rsp_info_len = le16_to_cpu(sts->rsp_info_len);
2546 resid_len = le32_to_cpu(sts->residual_length);
2547 rsp_info = sts->rsp_info;
2548 sense_data = sts->req_sense_data;
2549 par_sense_len = sizeof(sts->req_sense_data);
2550 }
2551
2552 /* Check for any FCP transport errors. */
2553 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
2554 /* Sense data lies beyond any FCP RESPONSE data. */
2555 if (IS_FWI2_CAPABLE(ha)) {
2556 sense_data += rsp_info_len;
2557 par_sense_len -= rsp_info_len;
2558 }
2559 if (rsp_info_len > 3 && rsp_info[3]) {
2560 ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
2561 "FCP I/O protocol failure (0x%x/0x%x).\n",
2562 rsp_info_len, rsp_info[3]);
2563
2564 res = DID_BUS_BUSY << 16;
2565 goto out;
2566 }
2567 }
2568
2569 /* Check for overrun. */
2570 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
2571 scsi_status & SS_RESIDUAL_OVER)
2572 comp_status = CS_DATA_OVERRUN;
2573
2574 /*
2575 * Check retry_delay_timer value if we receive a busy or
2576 * queue full.
2577 */
2578 if (lscsi_status == SAM_STAT_TASK_SET_FULL ||
2579 lscsi_status == SAM_STAT_BUSY)
2580 qla2x00_set_retry_delay_timestamp(fcport, retry_delay);
2581
2582 /*
2583 * Based on Host and scsi status generate status code for Linux
2584 */
2585 switch (comp_status) {
2586 case CS_COMPLETE:
2587 case CS_QUEUE_FULL:
2588 if (scsi_status == 0) {
2589 res = DID_OK << 16;
2590 break;
2591 }
2592 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
2593 resid = resid_len;
2594 scsi_set_resid(cp, resid);
2595
2596 if (!lscsi_status &&
2597 ((unsigned)(scsi_bufflen(cp) - resid) <
2598 cp->underflow)) {
2599 ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
2600 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2601 resid, scsi_bufflen(cp));
2602
2603 res = DID_ERROR << 16;
2604 break;
2605 }
2606 }
2607 res = DID_OK << 16 | lscsi_status;
2608
2609 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2610 ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
2611 "QUEUE FULL detected.\n");
2612 break;
2613 }
2614 logit = 0;
2615 if (lscsi_status != SS_CHECK_CONDITION)
2616 break;
2617
2618 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2619 if (!(scsi_status & SS_SENSE_LEN_VALID))
2620 break;
2621
2622 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2623 rsp, res);
2624 break;
2625
2626 case CS_DATA_UNDERRUN:
2627 /* Use F/W calculated residual length. */
2628 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
2629 scsi_set_resid(cp, resid);
2630 if (scsi_status & SS_RESIDUAL_UNDER) {
2631 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
2632 ql_dbg(ql_dbg_io, fcport->vha, 0x301d,
2633 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2634 resid, scsi_bufflen(cp));
2635
2636 res = DID_ERROR << 16 | lscsi_status;
2637 goto check_scsi_status;
2638 }
2639
2640 if (!lscsi_status &&
2641 ((unsigned)(scsi_bufflen(cp) - resid) <
2642 cp->underflow)) {
2643 ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
2644 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
2645 resid, scsi_bufflen(cp));
2646
2647 res = DID_ERROR << 16;
2648 break;
2649 }
2650 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
2651 lscsi_status != SAM_STAT_BUSY) {
2652 /*
2653 * scsi status of task set and busy are considered to be
2654 * task not completed.
2655 */
2656
2657 ql_dbg(ql_dbg_io, fcport->vha, 0x301f,
2658 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
2659 resid, scsi_bufflen(cp));
2660
2661 res = DID_ERROR << 16 | lscsi_status;
2662 goto check_scsi_status;
2663 } else {
2664 ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
2665 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2666 scsi_status, lscsi_status);
2667 }
2668
2669 res = DID_OK << 16 | lscsi_status;
2670 logit = 0;
2671
2672 check_scsi_status:
2673 /*
2674 * Check to see if SCSI Status is non zero. If so report SCSI
2675 * Status.
2676 */
2677 if (lscsi_status != 0) {
2678 if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
2679 ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
2680 "QUEUE FULL detected.\n");
2681 logit = 1;
2682 break;
2683 }
2684 if (lscsi_status != SS_CHECK_CONDITION)
2685 break;
2686
2687 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2688 if (!(scsi_status & SS_SENSE_LEN_VALID))
2689 break;
2690
2691 qla2x00_handle_sense(sp, sense_data, par_sense_len,
2692 sense_len, rsp, res);
2693 }
2694 break;
2695
2696 case CS_PORT_LOGGED_OUT:
2697 case CS_PORT_CONFIG_CHG:
2698 case CS_PORT_BUSY:
2699 case CS_INCOMPLETE:
2700 case CS_PORT_UNAVAILABLE:
2701 case CS_TIMEOUT:
2702 case CS_RESET:
2703
2704 /*
2705 * We are going to have the fc class block the rport
2706 * while we try to recover so instruct the mid layer
2707 * to requeue until the class decides how to handle this.
2708 */
2709 res = DID_TRANSPORT_DISRUPTED << 16;
2710
2711 if (comp_status == CS_TIMEOUT) {
2712 if (IS_FWI2_CAPABLE(ha))
2713 break;
2714 else if ((le16_to_cpu(sts->status_flags) &
2715 SF_LOGOUT_SENT) == 0)
2716 break;
2717 }
2718
2719 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2720 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
2721 "Port to be marked lost on fcport=%02x%02x%02x, current "
2722 "port state= %s comp_status %x.\n", fcport->d_id.b.domain,
2723 fcport->d_id.b.area, fcport->d_id.b.al_pa,
2724 port_state_str[FCS_ONLINE],
2725 comp_status);
2726
2727 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2728 qlt_schedule_sess_for_deletion(fcport);
2729 }
2730
2731 break;
2732
2733 case CS_ABORTED:
2734 res = DID_RESET << 16;
2735 break;
2736
2737 case CS_DIF_ERROR:
2738 logit = qla2x00_handle_dif_error(sp, sts24);
2739 res = cp->result;
2740 break;
2741
2742 case CS_TRANSPORT:
2743 res = DID_ERROR << 16;
2744
2745 if (!IS_PI_SPLIT_DET_CAPABLE(ha))
2746 break;
2747
2748 if (state_flags & BIT_4)
2749 scmd_printk(KERN_WARNING, cp,
2750 "Unsupported device '%s' found.\n",
2751 cp->device->vendor);
2752 break;
2753
2754 case CS_DMA:
2755 ql_log(ql_log_info, fcport->vha, 0x3022,
2756 "CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2757 comp_status, scsi_status, res, vha->host_no,
2758 cp->device->id, cp->device->lun, fcport->d_id.b24,
2759 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2760 resid_len, fw_resid_len, sp, cp);
2761 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
2762 pkt, sizeof(*sts24));
2763 res = DID_ERROR << 16;
2764 break;
2765 default:
2766 res = DID_ERROR << 16;
2767 break;
2768 }
2769
2770 out:
2771 if (logit)
2772 ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
2773 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2774 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x "
2775 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
2776 comp_status, scsi_status, res, vha->host_no,
2777 cp->device->id, cp->device->lun, fcport->d_id.b.domain,
2778 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
2779 cp->cmnd, scsi_bufflen(cp), rsp_info_len,
2780 resid_len, fw_resid_len, sp, cp);
2781
2782 if (rsp->status_srb == NULL)
2783 sp->done(sp, res);
2784 }
2785
2786 /**
2787 * qla2x00_status_cont_entry() - Process a Status Continuations entry.
2788 * @rsp: response queue
2789 * @pkt: Entry pointer
2790 *
2791 * Extended sense data.
2792 */
2793 static void
qla2x00_status_cont_entry(struct rsp_que * rsp,sts_cont_entry_t * pkt)2794 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2795 {
2796 uint8_t sense_sz = 0;
2797 struct qla_hw_data *ha = rsp->hw;
2798 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2799 srb_t *sp = rsp->status_srb;
2800 struct scsi_cmnd *cp;
2801 uint32_t sense_len;
2802 uint8_t *sense_ptr;
2803
2804 if (!sp || !GET_CMD_SENSE_LEN(sp))
2805 return;
2806
2807 sense_len = GET_CMD_SENSE_LEN(sp);
2808 sense_ptr = GET_CMD_SENSE_PTR(sp);
2809
2810 cp = GET_CMD_SP(sp);
2811 if (cp == NULL) {
2812 ql_log(ql_log_warn, vha, 0x3025,
2813 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2814
2815 rsp->status_srb = NULL;
2816 return;
2817 }
2818
2819 if (sense_len > sizeof(pkt->data))
2820 sense_sz = sizeof(pkt->data);
2821 else
2822 sense_sz = sense_len;
2823
2824 /* Move sense data. */
2825 if (IS_FWI2_CAPABLE(ha))
2826 host_to_fcp_swap(pkt->data, sizeof(pkt->data));
2827 memcpy(sense_ptr, pkt->data, sense_sz);
2828 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
2829 sense_ptr, sense_sz);
2830
2831 sense_len -= sense_sz;
2832 sense_ptr += sense_sz;
2833
2834 SET_CMD_SENSE_PTR(sp, sense_ptr);
2835 SET_CMD_SENSE_LEN(sp, sense_len);
2836
2837 /* Place command on done queue. */
2838 if (sense_len == 0) {
2839 rsp->status_srb = NULL;
2840 sp->done(sp, cp->result);
2841 }
2842 }
2843
2844 /**
2845 * qla2x00_error_entry() - Process an error entry.
2846 * @vha: SCSI driver HA context
2847 * @rsp: response queue
2848 * @pkt: Entry pointer
2849 * return : 1=allow further error analysis. 0=no additional error analysis.
2850 */
2851 static int
qla2x00_error_entry(scsi_qla_host_t * vha,struct rsp_que * rsp,sts_entry_t * pkt)2852 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
2853 {
2854 srb_t *sp;
2855 struct qla_hw_data *ha = vha->hw;
2856 const char func[] = "ERROR-IOCB";
2857 uint16_t que = MSW(pkt->handle);
2858 struct req_que *req = NULL;
2859 int res = DID_ERROR << 16;
2860
2861 ql_dbg(ql_dbg_async, vha, 0x502a,
2862 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
2863 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
2864
2865 if (que >= ha->max_req_queues || !ha->req_q_map[que])
2866 goto fatal;
2867
2868 req = ha->req_q_map[que];
2869
2870 if (pkt->entry_status & RF_BUSY)
2871 res = DID_BUS_BUSY << 16;
2872
2873 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
2874 return 0;
2875
2876 switch (pkt->entry_type) {
2877 case NOTIFY_ACK_TYPE:
2878 case STATUS_TYPE:
2879 case STATUS_CONT_TYPE:
2880 case LOGINOUT_PORT_IOCB_TYPE:
2881 case CT_IOCB_TYPE:
2882 case ELS_IOCB_TYPE:
2883 case ABORT_IOCB_TYPE:
2884 case MBX_IOCB_TYPE:
2885 default:
2886 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2887 if (sp) {
2888 sp->done(sp, res);
2889 return 0;
2890 }
2891 break;
2892
2893 case ABTS_RESP_24XX:
2894 case CTIO_TYPE7:
2895 case CTIO_CRC2:
2896 return 1;
2897 }
2898 fatal:
2899 ql_log(ql_log_warn, vha, 0x5030,
2900 "Error entry - invalid handle/queue (%04x).\n", que);
2901 return 0;
2902 }
2903
2904 /**
2905 * qla24xx_mbx_completion() - Process mailbox command completions.
2906 * @vha: SCSI driver HA context
2907 * @mb0: Mailbox0 register
2908 */
2909 static void
qla24xx_mbx_completion(scsi_qla_host_t * vha,uint16_t mb0)2910 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
2911 {
2912 uint16_t cnt;
2913 uint32_t mboxes;
2914 uint16_t __iomem *wptr;
2915 struct qla_hw_data *ha = vha->hw;
2916 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2917
2918 /* Read all mbox registers? */
2919 WARN_ON_ONCE(ha->mbx_count > 32);
2920 mboxes = (1ULL << ha->mbx_count) - 1;
2921 if (!ha->mcp)
2922 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
2923 else
2924 mboxes = ha->mcp->in_mb;
2925
2926 /* Load return mailbox registers. */
2927 ha->flags.mbox_int = 1;
2928 ha->mailbox_out[0] = mb0;
2929 mboxes >>= 1;
2930 wptr = (uint16_t __iomem *)®->mailbox1;
2931
2932 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2933 if (mboxes & BIT_0)
2934 ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2935
2936 mboxes >>= 1;
2937 wptr++;
2938 }
2939 }
2940
2941 static void
qla24xx_abort_iocb_entry(scsi_qla_host_t * vha,struct req_que * req,struct abort_entry_24xx * pkt)2942 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2943 struct abort_entry_24xx *pkt)
2944 {
2945 const char func[] = "ABT_IOCB";
2946 srb_t *sp;
2947 struct srb_iocb *abt;
2948
2949 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2950 if (!sp)
2951 return;
2952
2953 abt = &sp->u.iocb_cmd;
2954 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle);
2955 sp->done(sp, 0);
2956 }
2957
qla24xx_nvme_ls4_iocb(struct scsi_qla_host * vha,struct pt_ls4_request * pkt,struct req_que * req)2958 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
2959 struct pt_ls4_request *pkt, struct req_que *req)
2960 {
2961 srb_t *sp;
2962 const char func[] = "LS4_IOCB";
2963 uint16_t comp_status;
2964
2965 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2966 if (!sp)
2967 return;
2968
2969 comp_status = le16_to_cpu(pkt->status);
2970 sp->done(sp, comp_status);
2971 }
2972
2973 /**
2974 * qla24xx_process_response_queue() - Process response queue entries.
2975 * @vha: SCSI driver HA context
2976 * @rsp: response queue
2977 */
qla24xx_process_response_queue(struct scsi_qla_host * vha,struct rsp_que * rsp)2978 void qla24xx_process_response_queue(struct scsi_qla_host *vha,
2979 struct rsp_que *rsp)
2980 {
2981 struct sts_entry_24xx *pkt;
2982 struct qla_hw_data *ha = vha->hw;
2983
2984 if (!ha->flags.fw_started)
2985 return;
2986
2987 if (rsp->qpair->cpuid != smp_processor_id())
2988 qla_cpu_update(rsp->qpair, smp_processor_id());
2989
2990 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
2991 pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
2992
2993 rsp->ring_index++;
2994 if (rsp->ring_index == rsp->length) {
2995 rsp->ring_index = 0;
2996 rsp->ring_ptr = rsp->ring;
2997 } else {
2998 rsp->ring_ptr++;
2999 }
3000
3001 if (pkt->entry_status != 0) {
3002 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
3003 goto process_err;
3004
3005 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3006 wmb();
3007 continue;
3008 }
3009 process_err:
3010
3011 switch (pkt->entry_type) {
3012 case STATUS_TYPE:
3013 qla2x00_status_entry(vha, rsp, pkt);
3014 break;
3015 case STATUS_CONT_TYPE:
3016 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
3017 break;
3018 case VP_RPT_ID_IOCB_TYPE:
3019 qla24xx_report_id_acquisition(vha,
3020 (struct vp_rpt_id_entry_24xx *)pkt);
3021 break;
3022 case LOGINOUT_PORT_IOCB_TYPE:
3023 qla24xx_logio_entry(vha, rsp->req,
3024 (struct logio_entry_24xx *)pkt);
3025 break;
3026 case CT_IOCB_TYPE:
3027 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
3028 break;
3029 case ELS_IOCB_TYPE:
3030 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
3031 break;
3032 case ABTS_RECV_24XX:
3033 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3034 IS_QLA28XX(ha)) {
3035 /* ensure that the ATIO queue is empty */
3036 qlt_handle_abts_recv(vha, rsp,
3037 (response_t *)pkt);
3038 break;
3039 } else {
3040 qlt_24xx_process_atio_queue(vha, 1);
3041 }
3042 /* fall through */
3043 case ABTS_RESP_24XX:
3044 case CTIO_TYPE7:
3045 case CTIO_CRC2:
3046 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
3047 break;
3048 case PT_LS4_REQUEST:
3049 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
3050 rsp->req);
3051 break;
3052 case NOTIFY_ACK_TYPE:
3053 if (pkt->handle == QLA_TGT_SKIP_HANDLE)
3054 qlt_response_pkt_all_vps(vha, rsp,
3055 (response_t *)pkt);
3056 else
3057 qla24xxx_nack_iocb_entry(vha, rsp->req,
3058 (struct nack_to_isp *)pkt);
3059 break;
3060 case MARKER_TYPE:
3061 /* Do nothing in this case, this check is to prevent it
3062 * from falling into default case
3063 */
3064 break;
3065 case ABORT_IOCB_TYPE:
3066 qla24xx_abort_iocb_entry(vha, rsp->req,
3067 (struct abort_entry_24xx *)pkt);
3068 break;
3069 case MBX_IOCB_TYPE:
3070 qla24xx_mbx_iocb_entry(vha, rsp->req,
3071 (struct mbx_24xx_entry *)pkt);
3072 break;
3073 case VP_CTRL_IOCB_TYPE:
3074 qla_ctrlvp_completed(vha, rsp->req,
3075 (struct vp_ctrl_entry_24xx *)pkt);
3076 break;
3077 default:
3078 /* Type Not Supported. */
3079 ql_dbg(ql_dbg_async, vha, 0x5042,
3080 "Received unknown response pkt type %x "
3081 "entry status=%x.\n",
3082 pkt->entry_type, pkt->entry_status);
3083 break;
3084 }
3085 ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
3086 wmb();
3087 }
3088
3089 /* Adjust ring index */
3090 if (IS_P3P_TYPE(ha)) {
3091 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
3092
3093 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
3094 } else {
3095 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
3096 }
3097 }
3098
3099 static void
qla2xxx_check_risc_status(scsi_qla_host_t * vha)3100 qla2xxx_check_risc_status(scsi_qla_host_t *vha)
3101 {
3102 int rval;
3103 uint32_t cnt;
3104 struct qla_hw_data *ha = vha->hw;
3105 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3106
3107 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3108 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3109 return;
3110
3111 rval = QLA_SUCCESS;
3112 WRT_REG_DWORD(®->iobase_addr, 0x7C00);
3113 RD_REG_DWORD(®->iobase_addr);
3114 WRT_REG_DWORD(®->iobase_window, 0x0001);
3115 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3116 rval == QLA_SUCCESS; cnt--) {
3117 if (cnt) {
3118 WRT_REG_DWORD(®->iobase_window, 0x0001);
3119 udelay(10);
3120 } else
3121 rval = QLA_FUNCTION_TIMEOUT;
3122 }
3123 if (rval == QLA_SUCCESS)
3124 goto next_test;
3125
3126 rval = QLA_SUCCESS;
3127 WRT_REG_DWORD(®->iobase_window, 0x0003);
3128 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
3129 rval == QLA_SUCCESS; cnt--) {
3130 if (cnt) {
3131 WRT_REG_DWORD(®->iobase_window, 0x0003);
3132 udelay(10);
3133 } else
3134 rval = QLA_FUNCTION_TIMEOUT;
3135 }
3136 if (rval != QLA_SUCCESS)
3137 goto done;
3138
3139 next_test:
3140 if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
3141 ql_log(ql_log_info, vha, 0x504c,
3142 "Additional code -- 0x55AA.\n");
3143
3144 done:
3145 WRT_REG_DWORD(®->iobase_window, 0x0000);
3146 RD_REG_DWORD(®->iobase_window);
3147 }
3148
3149 /**
3150 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
3151 * @irq: interrupt number
3152 * @dev_id: SCSI driver HA context
3153 *
3154 * Called by system whenever the host adapter generates an interrupt.
3155 *
3156 * Returns handled flag.
3157 */
3158 irqreturn_t
qla24xx_intr_handler(int irq,void * dev_id)3159 qla24xx_intr_handler(int irq, void *dev_id)
3160 {
3161 scsi_qla_host_t *vha;
3162 struct qla_hw_data *ha;
3163 struct device_reg_24xx __iomem *reg;
3164 int status;
3165 unsigned long iter;
3166 uint32_t stat;
3167 uint32_t hccr;
3168 uint16_t mb[8];
3169 struct rsp_que *rsp;
3170 unsigned long flags;
3171 bool process_atio = false;
3172
3173 rsp = (struct rsp_que *) dev_id;
3174 if (!rsp) {
3175 ql_log(ql_log_info, NULL, 0x5059,
3176 "%s: NULL response queue pointer.\n", __func__);
3177 return IRQ_NONE;
3178 }
3179
3180 ha = rsp->hw;
3181 reg = &ha->iobase->isp24;
3182 status = 0;
3183
3184 if (unlikely(pci_channel_offline(ha->pdev)))
3185 return IRQ_HANDLED;
3186
3187 spin_lock_irqsave(&ha->hardware_lock, flags);
3188 vha = pci_get_drvdata(ha->pdev);
3189 for (iter = 50; iter--; ) {
3190 stat = RD_REG_DWORD(®->host_status);
3191 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3192 break;
3193 if (stat & HSRX_RISC_PAUSED) {
3194 if (unlikely(pci_channel_offline(ha->pdev)))
3195 break;
3196
3197 hccr = RD_REG_DWORD(®->hccr);
3198
3199 ql_log(ql_log_warn, vha, 0x504b,
3200 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3201 hccr);
3202
3203 qla2xxx_check_risc_status(vha);
3204
3205 ha->isp_ops->fw_dump(vha, 1);
3206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3207 break;
3208 } else if ((stat & HSRX_RISC_INT) == 0)
3209 break;
3210
3211 switch (stat & 0xff) {
3212 case INTR_ROM_MB_SUCCESS:
3213 case INTR_ROM_MB_FAILED:
3214 case INTR_MB_SUCCESS:
3215 case INTR_MB_FAILED:
3216 qla24xx_mbx_completion(vha, MSW(stat));
3217 status |= MBX_INTERRUPT;
3218
3219 break;
3220 case INTR_ASYNC_EVENT:
3221 mb[0] = MSW(stat);
3222 mb[1] = RD_REG_WORD(®->mailbox1);
3223 mb[2] = RD_REG_WORD(®->mailbox2);
3224 mb[3] = RD_REG_WORD(®->mailbox3);
3225 qla2x00_async_event(vha, rsp, mb);
3226 break;
3227 case INTR_RSP_QUE_UPDATE:
3228 case INTR_RSP_QUE_UPDATE_83XX:
3229 qla24xx_process_response_queue(vha, rsp);
3230 break;
3231 case INTR_ATIO_QUE_UPDATE_27XX:
3232 case INTR_ATIO_QUE_UPDATE:
3233 process_atio = true;
3234 break;
3235 case INTR_ATIO_RSP_QUE_UPDATE:
3236 process_atio = true;
3237 qla24xx_process_response_queue(vha, rsp);
3238 break;
3239 default:
3240 ql_dbg(ql_dbg_async, vha, 0x504f,
3241 "Unrecognized interrupt type (%d).\n", stat * 0xff);
3242 break;
3243 }
3244 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3245 RD_REG_DWORD_RELAXED(®->hccr);
3246 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
3247 ndelay(3500);
3248 }
3249 qla2x00_handle_mbx_completion(ha, status);
3250 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3251
3252 if (process_atio) {
3253 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3254 qlt_24xx_process_atio_queue(vha, 0);
3255 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3256 }
3257
3258 return IRQ_HANDLED;
3259 }
3260
3261 static irqreturn_t
qla24xx_msix_rsp_q(int irq,void * dev_id)3262 qla24xx_msix_rsp_q(int irq, void *dev_id)
3263 {
3264 struct qla_hw_data *ha;
3265 struct rsp_que *rsp;
3266 struct device_reg_24xx __iomem *reg;
3267 struct scsi_qla_host *vha;
3268 unsigned long flags;
3269
3270 rsp = (struct rsp_que *) dev_id;
3271 if (!rsp) {
3272 ql_log(ql_log_info, NULL, 0x505a,
3273 "%s: NULL response queue pointer.\n", __func__);
3274 return IRQ_NONE;
3275 }
3276 ha = rsp->hw;
3277 reg = &ha->iobase->isp24;
3278
3279 spin_lock_irqsave(&ha->hardware_lock, flags);
3280
3281 vha = pci_get_drvdata(ha->pdev);
3282 qla24xx_process_response_queue(vha, rsp);
3283 if (!ha->flags.disable_msix_handshake) {
3284 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3285 RD_REG_DWORD_RELAXED(®->hccr);
3286 }
3287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3288
3289 return IRQ_HANDLED;
3290 }
3291
3292 static irqreturn_t
qla24xx_msix_default(int irq,void * dev_id)3293 qla24xx_msix_default(int irq, void *dev_id)
3294 {
3295 scsi_qla_host_t *vha;
3296 struct qla_hw_data *ha;
3297 struct rsp_que *rsp;
3298 struct device_reg_24xx __iomem *reg;
3299 int status;
3300 uint32_t stat;
3301 uint32_t hccr;
3302 uint16_t mb[8];
3303 unsigned long flags;
3304 bool process_atio = false;
3305
3306 rsp = (struct rsp_que *) dev_id;
3307 if (!rsp) {
3308 ql_log(ql_log_info, NULL, 0x505c,
3309 "%s: NULL response queue pointer.\n", __func__);
3310 return IRQ_NONE;
3311 }
3312 ha = rsp->hw;
3313 reg = &ha->iobase->isp24;
3314 status = 0;
3315
3316 spin_lock_irqsave(&ha->hardware_lock, flags);
3317 vha = pci_get_drvdata(ha->pdev);
3318 do {
3319 stat = RD_REG_DWORD(®->host_status);
3320 if (qla2x00_check_reg32_for_disconnect(vha, stat))
3321 break;
3322 if (stat & HSRX_RISC_PAUSED) {
3323 if (unlikely(pci_channel_offline(ha->pdev)))
3324 break;
3325
3326 hccr = RD_REG_DWORD(®->hccr);
3327
3328 ql_log(ql_log_info, vha, 0x5050,
3329 "RISC paused -- HCCR=%x, Dumping firmware.\n",
3330 hccr);
3331
3332 qla2xxx_check_risc_status(vha);
3333
3334 ha->isp_ops->fw_dump(vha, 1);
3335 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3336 break;
3337 } else if ((stat & HSRX_RISC_INT) == 0)
3338 break;
3339
3340 switch (stat & 0xff) {
3341 case INTR_ROM_MB_SUCCESS:
3342 case INTR_ROM_MB_FAILED:
3343 case INTR_MB_SUCCESS:
3344 case INTR_MB_FAILED:
3345 qla24xx_mbx_completion(vha, MSW(stat));
3346 status |= MBX_INTERRUPT;
3347
3348 break;
3349 case INTR_ASYNC_EVENT:
3350 mb[0] = MSW(stat);
3351 mb[1] = RD_REG_WORD(®->mailbox1);
3352 mb[2] = RD_REG_WORD(®->mailbox2);
3353 mb[3] = RD_REG_WORD(®->mailbox3);
3354 qla2x00_async_event(vha, rsp, mb);
3355 break;
3356 case INTR_RSP_QUE_UPDATE:
3357 case INTR_RSP_QUE_UPDATE_83XX:
3358 qla24xx_process_response_queue(vha, rsp);
3359 break;
3360 case INTR_ATIO_QUE_UPDATE_27XX:
3361 case INTR_ATIO_QUE_UPDATE:
3362 process_atio = true;
3363 break;
3364 case INTR_ATIO_RSP_QUE_UPDATE:
3365 process_atio = true;
3366 qla24xx_process_response_queue(vha, rsp);
3367 break;
3368 default:
3369 ql_dbg(ql_dbg_async, vha, 0x5051,
3370 "Unrecognized interrupt type (%d).\n", stat & 0xff);
3371 break;
3372 }
3373 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3374 } while (0);
3375 qla2x00_handle_mbx_completion(ha, status);
3376 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3377
3378 if (process_atio) {
3379 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
3380 qlt_24xx_process_atio_queue(vha, 0);
3381 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
3382 }
3383
3384 return IRQ_HANDLED;
3385 }
3386
3387 irqreturn_t
qla2xxx_msix_rsp_q(int irq,void * dev_id)3388 qla2xxx_msix_rsp_q(int irq, void *dev_id)
3389 {
3390 struct qla_hw_data *ha;
3391 struct qla_qpair *qpair;
3392 struct device_reg_24xx __iomem *reg;
3393 unsigned long flags;
3394
3395 qpair = dev_id;
3396 if (!qpair) {
3397 ql_log(ql_log_info, NULL, 0x505b,
3398 "%s: NULL response queue pointer.\n", __func__);
3399 return IRQ_NONE;
3400 }
3401 ha = qpair->hw;
3402
3403 /* Clear the interrupt, if enabled, for this response queue */
3404 if (unlikely(!ha->flags.disable_msix_handshake)) {
3405 reg = &ha->iobase->isp24;
3406 spin_lock_irqsave(&ha->hardware_lock, flags);
3407 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
3408 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3409 }
3410
3411 queue_work(ha->wq, &qpair->q_work);
3412
3413 return IRQ_HANDLED;
3414 }
3415
3416 /* Interrupt handling helpers. */
3417
3418 struct qla_init_msix_entry {
3419 const char *name;
3420 irq_handler_t handler;
3421 };
3422
3423 static const struct qla_init_msix_entry msix_entries[] = {
3424 { "default", qla24xx_msix_default },
3425 { "rsp_q", qla24xx_msix_rsp_q },
3426 { "atio_q", qla83xx_msix_atio_q },
3427 { "qpair_multiq", qla2xxx_msix_rsp_q },
3428 };
3429
3430 static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
3431 { "qla2xxx (default)", qla82xx_msix_default },
3432 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
3433 };
3434
3435 static int
qla24xx_enable_msix(struct qla_hw_data * ha,struct rsp_que * rsp)3436 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
3437 {
3438 int i, ret;
3439 struct qla_msix_entry *qentry;
3440 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3441 int min_vecs = QLA_BASE_VECTORS;
3442 struct irq_affinity desc = {
3443 .pre_vectors = QLA_BASE_VECTORS,
3444 };
3445
3446 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3447 IS_ATIO_MSIX_CAPABLE(ha)) {
3448 desc.pre_vectors++;
3449 min_vecs++;
3450 }
3451
3452 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
3453 /* user wants to control IRQ setting for target mode */
3454 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
3455 ha->msix_count, PCI_IRQ_MSIX);
3456 } else
3457 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
3458 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
3459 &desc);
3460
3461 if (ret < 0) {
3462 ql_log(ql_log_fatal, vha, 0x00c7,
3463 "MSI-X: Failed to enable support, "
3464 "giving up -- %d/%d.\n",
3465 ha->msix_count, ret);
3466 goto msix_out;
3467 } else if (ret < ha->msix_count) {
3468 ql_log(ql_log_info, vha, 0x00c6,
3469 "MSI-X: Using %d vectors\n", ret);
3470 ha->msix_count = ret;
3471 /* Recalculate queue values */
3472 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
3473 ha->max_req_queues = ha->msix_count - 1;
3474
3475 /* ATIOQ needs 1 vector. That's 1 less QPair */
3476 if (QLA_TGT_MODE_ENABLED())
3477 ha->max_req_queues--;
3478
3479 ha->max_rsp_queues = ha->max_req_queues;
3480
3481 ha->max_qpairs = ha->max_req_queues - 1;
3482 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
3483 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
3484 }
3485 }
3486 vha->irq_offset = desc.pre_vectors;
3487 ha->msix_entries = kcalloc(ha->msix_count,
3488 sizeof(struct qla_msix_entry),
3489 GFP_KERNEL);
3490 if (!ha->msix_entries) {
3491 ql_log(ql_log_fatal, vha, 0x00c8,
3492 "Failed to allocate memory for ha->msix_entries.\n");
3493 ret = -ENOMEM;
3494 goto free_irqs;
3495 }
3496 ha->flags.msix_enabled = 1;
3497
3498 for (i = 0; i < ha->msix_count; i++) {
3499 qentry = &ha->msix_entries[i];
3500 qentry->vector = pci_irq_vector(ha->pdev, i);
3501 qentry->entry = i;
3502 qentry->have_irq = 0;
3503 qentry->in_use = 0;
3504 qentry->handle = NULL;
3505 }
3506
3507 /* Enable MSI-X vectors for the base queue */
3508 for (i = 0; i < QLA_BASE_VECTORS; i++) {
3509 qentry = &ha->msix_entries[i];
3510 qentry->handle = rsp;
3511 rsp->msix = qentry;
3512 scnprintf(qentry->name, sizeof(qentry->name),
3513 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
3514 if (IS_P3P_TYPE(ha))
3515 ret = request_irq(qentry->vector,
3516 qla82xx_msix_entries[i].handler,
3517 0, qla82xx_msix_entries[i].name, rsp);
3518 else
3519 ret = request_irq(qentry->vector,
3520 msix_entries[i].handler,
3521 0, qentry->name, rsp);
3522 if (ret)
3523 goto msix_register_fail;
3524 qentry->have_irq = 1;
3525 qentry->in_use = 1;
3526 }
3527
3528 /*
3529 * If target mode is enable, also request the vector for the ATIO
3530 * queue.
3531 */
3532 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
3533 IS_ATIO_MSIX_CAPABLE(ha)) {
3534 qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
3535 rsp->msix = qentry;
3536 qentry->handle = rsp;
3537 scnprintf(qentry->name, sizeof(qentry->name),
3538 "qla2xxx%lu_%s", vha->host_no,
3539 msix_entries[QLA_ATIO_VECTOR].name);
3540 qentry->in_use = 1;
3541 ret = request_irq(qentry->vector,
3542 msix_entries[QLA_ATIO_VECTOR].handler,
3543 0, qentry->name, rsp);
3544 qentry->have_irq = 1;
3545 }
3546
3547 msix_register_fail:
3548 if (ret) {
3549 ql_log(ql_log_fatal, vha, 0x00cb,
3550 "MSI-X: unable to register handler -- %x/%d.\n",
3551 qentry->vector, ret);
3552 qla2x00_free_irqs(vha);
3553 ha->mqenable = 0;
3554 goto msix_out;
3555 }
3556
3557 /* Enable MSI-X vector for response queue update for queue 0 */
3558 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3559 if (ha->msixbase && ha->mqiobase &&
3560 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3561 ql2xmqsupport))
3562 ha->mqenable = 1;
3563 } else
3564 if (ha->mqiobase &&
3565 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 ||
3566 ql2xmqsupport))
3567 ha->mqenable = 1;
3568 ql_dbg(ql_dbg_multiq, vha, 0xc005,
3569 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3570 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3571 ql_dbg(ql_dbg_init, vha, 0x0055,
3572 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
3573 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
3574
3575 msix_out:
3576 return ret;
3577
3578 free_irqs:
3579 pci_free_irq_vectors(ha->pdev);
3580 goto msix_out;
3581 }
3582
3583 int
qla2x00_request_irqs(struct qla_hw_data * ha,struct rsp_que * rsp)3584 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
3585 {
3586 int ret = QLA_FUNCTION_FAILED;
3587 device_reg_t *reg = ha->iobase;
3588 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3589
3590 /* If possible, enable MSI-X. */
3591 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
3592 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
3593 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
3594 goto skip_msi;
3595
3596 if (ql2xenablemsix == 2)
3597 goto skip_msix;
3598
3599 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
3600 (ha->pdev->subsystem_device == 0x7040 ||
3601 ha->pdev->subsystem_device == 0x7041 ||
3602 ha->pdev->subsystem_device == 0x1705)) {
3603 ql_log(ql_log_warn, vha, 0x0034,
3604 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
3605 ha->pdev->subsystem_vendor,
3606 ha->pdev->subsystem_device);
3607 goto skip_msi;
3608 }
3609
3610 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
3611 ql_log(ql_log_warn, vha, 0x0035,
3612 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
3613 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
3614 goto skip_msix;
3615 }
3616
3617 ret = qla24xx_enable_msix(ha, rsp);
3618 if (!ret) {
3619 ql_dbg(ql_dbg_init, vha, 0x0036,
3620 "MSI-X: Enabled (0x%X, 0x%X).\n",
3621 ha->chip_revision, ha->fw_attributes);
3622 goto clear_risc_ints;
3623 }
3624
3625 skip_msix:
3626
3627 ql_log(ql_log_info, vha, 0x0037,
3628 "Falling back-to MSI mode -- ret=%d.\n", ret);
3629
3630 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
3631 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
3632 !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3633 goto skip_msi;
3634
3635 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
3636 if (ret > 0) {
3637 ql_dbg(ql_dbg_init, vha, 0x0038,
3638 "MSI: Enabled.\n");
3639 ha->flags.msi_enabled = 1;
3640 } else
3641 ql_log(ql_log_warn, vha, 0x0039,
3642 "Falling back-to INTa mode -- ret=%d.\n", ret);
3643 skip_msi:
3644
3645 /* Skip INTx on ISP82xx. */
3646 if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
3647 return QLA_FUNCTION_FAILED;
3648
3649 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
3650 ha->flags.msi_enabled ? 0 : IRQF_SHARED,
3651 QLA2XXX_DRIVER_NAME, rsp);
3652 if (ret) {
3653 ql_log(ql_log_warn, vha, 0x003a,
3654 "Failed to reserve interrupt %d already in use.\n",
3655 ha->pdev->irq);
3656 goto fail;
3657 } else if (!ha->flags.msi_enabled) {
3658 ql_dbg(ql_dbg_init, vha, 0x0125,
3659 "INTa mode: Enabled.\n");
3660 ha->flags.mr_intr_valid = 1;
3661 }
3662
3663 clear_risc_ints:
3664 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
3665 goto fail;
3666
3667 spin_lock_irq(&ha->hardware_lock);
3668 WRT_REG_WORD(®->isp.semaphore, 0);
3669 spin_unlock_irq(&ha->hardware_lock);
3670
3671 fail:
3672 return ret;
3673 }
3674
3675 void
qla2x00_free_irqs(scsi_qla_host_t * vha)3676 qla2x00_free_irqs(scsi_qla_host_t *vha)
3677 {
3678 struct qla_hw_data *ha = vha->hw;
3679 struct rsp_que *rsp;
3680 struct qla_msix_entry *qentry;
3681 int i;
3682
3683 /*
3684 * We need to check that ha->rsp_q_map is valid in case we are called
3685 * from a probe failure context.
3686 */
3687 if (!ha->rsp_q_map || !ha->rsp_q_map[0])
3688 goto free_irqs;
3689 rsp = ha->rsp_q_map[0];
3690
3691 if (ha->flags.msix_enabled) {
3692 for (i = 0; i < ha->msix_count; i++) {
3693 qentry = &ha->msix_entries[i];
3694 if (qentry->have_irq) {
3695 irq_set_affinity_notifier(qentry->vector, NULL);
3696 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
3697 }
3698 }
3699 kfree(ha->msix_entries);
3700 ha->msix_entries = NULL;
3701 ha->flags.msix_enabled = 0;
3702 ql_dbg(ql_dbg_init, vha, 0x0042,
3703 "Disabled MSI-X.\n");
3704 } else {
3705 free_irq(pci_irq_vector(ha->pdev, 0), rsp);
3706 }
3707
3708 free_irqs:
3709 pci_free_irq_vectors(ha->pdev);
3710 }
3711
qla25xx_request_irq(struct qla_hw_data * ha,struct qla_qpair * qpair,struct qla_msix_entry * msix,int vector_type)3712 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
3713 struct qla_msix_entry *msix, int vector_type)
3714 {
3715 const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
3716 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
3717 int ret;
3718
3719 scnprintf(msix->name, sizeof(msix->name),
3720 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
3721 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
3722 if (ret) {
3723 ql_log(ql_log_fatal, vha, 0x00e6,
3724 "MSI-X: Unable to register handler -- %x/%d.\n",
3725 msix->vector, ret);
3726 return ret;
3727 }
3728 msix->have_irq = 1;
3729 msix->handle = qpair;
3730 return ret;
3731 }
3732