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spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / drivers / scsi / qla2xxx / qla_os.c
blob036030c953392e3fbd57220f5d314770bce769bf
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21
22 /*
23 * Driver version
24 */
25 char qla2x00_version_str[40];
26
27 static int apidev_major;
28
29 /*
30 * SRB allocation cache
31 */
32 static struct kmem_cache *srb_cachep;
33
34 /*
35 * CT6 CTX allocation cache
36 */
37 static struct kmem_cache *ctx_cachep;
38 /*
39 * error level for logging
40 */
41 int ql_errlev = ql_log_all;
42
43 int ql2xlogintimeout = 20;
44 module_param(ql2xlogintimeout, int, S_IRUGO);
45 MODULE_PARM_DESC(ql2xlogintimeout,
46 "Login timeout value in seconds.");
47
48 int qlport_down_retry;
49 module_param(qlport_down_retry, int, S_IRUGO);
50 MODULE_PARM_DESC(qlport_down_retry,
51 "Maximum number of command retries to a port that returns "
52 "a PORT-DOWN status.");
53
54 int ql2xplogiabsentdevice;
55 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
56 MODULE_PARM_DESC(ql2xplogiabsentdevice,
57 "Option to enable PLOGI to devices that are not present after "
58 "a Fabric scan. This is needed for several broken switches. "
59 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
60
61 int ql2xloginretrycount = 0;
62 module_param(ql2xloginretrycount, int, S_IRUGO);
63 MODULE_PARM_DESC(ql2xloginretrycount,
64 "Specify an alternate value for the NVRAM login retry count.");
65
66 int ql2xallocfwdump = 1;
67 module_param(ql2xallocfwdump, int, S_IRUGO);
68 MODULE_PARM_DESC(ql2xallocfwdump,
69 "Option to enable allocation of memory for a firmware dump "
70 "during HBA initialization. Memory allocation requirements "
71 "vary by ISP type. Default is 1 - allocate memory.");
72
73 int ql2xextended_error_logging;
74 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
75 MODULE_PARM_DESC(ql2xextended_error_logging,
76 "Option to enable extended error logging,\n"
77 "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n"
78 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
79 "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n"
80 "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n"
81 "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n"
82 "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n"
83 "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n"
84 "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n"
85 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
86 "\t\t0x1e400000 - Preferred value for capturing essential "
87 "debug information (equivalent to old "
88 "ql2xextended_error_logging=1).\n"
89 "\t\tDo LOGICAL OR of the value to enable more than one level");
90
91 int ql2xshiftctondsd = 6;
92 module_param(ql2xshiftctondsd, int, S_IRUGO);
93 MODULE_PARM_DESC(ql2xshiftctondsd,
94 "Set to control shifting of command type processing "
95 "based on total number of SG elements.");
96
97 static void qla2x00_free_device(scsi_qla_host_t *);
98
99 int ql2xfdmienable=1;
100 module_param(ql2xfdmienable, int, S_IRUGO);
101 MODULE_PARM_DESC(ql2xfdmienable,
102 "Enables FDMI registrations. "
103 "0 - no FDMI. Default is 1 - perform FDMI.");
104
105 #define MAX_Q_DEPTH 32
106 static int ql2xmaxqdepth = MAX_Q_DEPTH;
107 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
108 MODULE_PARM_DESC(ql2xmaxqdepth,
109 "Maximum queue depth to report for target devices.");
110
111 /* Do not change the value of this after module load */
112 int ql2xenabledif = 0;
113 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
114 MODULE_PARM_DESC(ql2xenabledif,
115 " Enable T10-CRC-DIF "
116 " Default is 0 - No DIF Support. 1 - Enable it"
117 ", 2 - Enable DIF for all types, except Type 0.");
118
119 int ql2xenablehba_err_chk = 2;
120 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
121 MODULE_PARM_DESC(ql2xenablehba_err_chk,
122 " Enable T10-CRC-DIF Error isolation by HBA:\n"
123 " Default is 1.\n"
124 " 0 -- Error isolation disabled\n"
125 " 1 -- Error isolation enabled only for DIX Type 0\n"
126 " 2 -- Error isolation enabled for all Types\n");
127
128 int ql2xiidmaenable=1;
129 module_param(ql2xiidmaenable, int, S_IRUGO);
130 MODULE_PARM_DESC(ql2xiidmaenable,
131 "Enables iIDMA settings "
132 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
133
134 int ql2xmaxqueues = 1;
135 module_param(ql2xmaxqueues, int, S_IRUGO);
136 MODULE_PARM_DESC(ql2xmaxqueues,
137 "Enables MQ settings "
138 "Default is 1 for single queue. Set it to number "
139 "of queues in MQ mode.");
140
141 int ql2xmultique_tag;
142 module_param(ql2xmultique_tag, int, S_IRUGO);
143 MODULE_PARM_DESC(ql2xmultique_tag,
144 "Enables CPU affinity settings for the driver "
145 "Default is 0 for no affinity of request and response IO. "
146 "Set it to 1 to turn on the cpu affinity.");
147
148 int ql2xfwloadbin;
149 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
150 MODULE_PARM_DESC(ql2xfwloadbin,
151 "Option to specify location from which to load ISP firmware:.\n"
152 " 2 -- load firmware via the request_firmware() (hotplug).\n"
153 " interface.\n"
154 " 1 -- load firmware from flash.\n"
155 " 0 -- use default semantics.\n");
156
157 int ql2xetsenable;
158 module_param(ql2xetsenable, int, S_IRUGO);
159 MODULE_PARM_DESC(ql2xetsenable,
160 "Enables firmware ETS burst."
161 "Default is 0 - skip ETS enablement.");
162
163 int ql2xdbwr = 1;
164 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
165 MODULE_PARM_DESC(ql2xdbwr,
166 "Option to specify scheme for request queue posting.\n"
167 " 0 -- Regular doorbell.\n"
168 " 1 -- CAMRAM doorbell (faster).\n");
169
170 int ql2xtargetreset = 1;
171 module_param(ql2xtargetreset, int, S_IRUGO);
172 MODULE_PARM_DESC(ql2xtargetreset,
173 "Enable target reset."
174 "Default is 1 - use hw defaults.");
175
176 int ql2xgffidenable;
177 module_param(ql2xgffidenable, int, S_IRUGO);
178 MODULE_PARM_DESC(ql2xgffidenable,
179 "Enables GFF_ID checks of port type. "
180 "Default is 0 - Do not use GFF_ID information.");
181
182 int ql2xasynctmfenable;
183 module_param(ql2xasynctmfenable, int, S_IRUGO);
184 MODULE_PARM_DESC(ql2xasynctmfenable,
185 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
186 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
187
188 int ql2xdontresethba;
189 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
190 MODULE_PARM_DESC(ql2xdontresethba,
191 "Option to specify reset behaviour.\n"
192 " 0 (Default) -- Reset on failure.\n"
193 " 1 -- Do not reset on failure.\n");
194
195 uint ql2xmaxlun = MAX_LUNS;
196 module_param(ql2xmaxlun, uint, S_IRUGO);
197 MODULE_PARM_DESC(ql2xmaxlun,
198 "Defines the maximum LU number to register with the SCSI "
199 "midlayer. Default is 65535.");
200
201 int ql2xmdcapmask = 0x1F;
202 module_param(ql2xmdcapmask, int, S_IRUGO);
203 MODULE_PARM_DESC(ql2xmdcapmask,
204 "Set the Minidump driver capture mask level. "
205 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
206
207 int ql2xmdenable = 1;
208 module_param(ql2xmdenable, int, S_IRUGO);
209 MODULE_PARM_DESC(ql2xmdenable,
210 "Enable/disable MiniDump. "
211 "0 - MiniDump disabled. "
212 "1 (Default) - MiniDump enabled.");
213
214 /*
215 * SCSI host template entry points
216 */
217 static int qla2xxx_slave_configure(struct scsi_device * device);
218 static int qla2xxx_slave_alloc(struct scsi_device *);
219 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
220 static void qla2xxx_scan_start(struct Scsi_Host *);
221 static void qla2xxx_slave_destroy(struct scsi_device *);
222 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
223 static int qla2xxx_eh_abort(struct scsi_cmnd *);
224 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
225 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
226 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
227 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
228
229 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
230 static int qla2x00_change_queue_type(struct scsi_device *, int);
231
232 struct scsi_host_template qla2xxx_driver_template = {
233 .module = THIS_MODULE,
234 .name = QLA2XXX_DRIVER_NAME,
235 .queuecommand = qla2xxx_queuecommand,
236
237 .eh_abort_handler = qla2xxx_eh_abort,
238 .eh_device_reset_handler = qla2xxx_eh_device_reset,
239 .eh_target_reset_handler = qla2xxx_eh_target_reset,
240 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
241 .eh_host_reset_handler = qla2xxx_eh_host_reset,
242
243 .slave_configure = qla2xxx_slave_configure,
244
245 .slave_alloc = qla2xxx_slave_alloc,
246 .slave_destroy = qla2xxx_slave_destroy,
247 .scan_finished = qla2xxx_scan_finished,
248 .scan_start = qla2xxx_scan_start,
249 .change_queue_depth = qla2x00_change_queue_depth,
250 .change_queue_type = qla2x00_change_queue_type,
251 .this_id = -1,
252 .cmd_per_lun = 3,
253 .use_clustering = ENABLE_CLUSTERING,
254 .sg_tablesize = SG_ALL,
255
256 .max_sectors = 0xFFFF,
257 .shost_attrs = qla2x00_host_attrs,
258 };
259
260 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
261 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
262
263 /* TODO Convert to inlines
264 *
265 * Timer routines
266 */
267
268 __inline__ void
269 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
270 {
271 init_timer(&vha->timer);
272 vha->timer.expires = jiffies + interval * HZ;
273 vha->timer.data = (unsigned long)vha;
274 vha->timer.function = (void (*)(unsigned long))func;
275 add_timer(&vha->timer);
276 vha->timer_active = 1;
277 }
278
279 static inline void
280 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
281 {
282 /* Currently used for 82XX only. */
283 if (vha->device_flags & DFLG_DEV_FAILED) {
284 ql_dbg(ql_dbg_timer, vha, 0x600d,
285 "Device in a failed state, returning.\n");
286 return;
287 }
288
289 mod_timer(&vha->timer, jiffies + interval * HZ);
290 }
291
292 static __inline__ void
293 qla2x00_stop_timer(scsi_qla_host_t *vha)
294 {
295 del_timer_sync(&vha->timer);
296 vha->timer_active = 0;
297 }
298
299 static int qla2x00_do_dpc(void *data);
300
301 static void qla2x00_rst_aen(scsi_qla_host_t *);
302
303 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
304 struct req_que **, struct rsp_que **);
305 static void qla2x00_free_fw_dump(struct qla_hw_data *);
306 static void qla2x00_mem_free(struct qla_hw_data *);
307 static void qla2x00_sp_free_dma(srb_t *);
308
309 /* -------------------------------------------------------------------------- */
310 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
311 {
312 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
313 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
314 GFP_KERNEL);
315 if (!ha->req_q_map) {
316 ql_log(ql_log_fatal, vha, 0x003b,
317 "Unable to allocate memory for request queue ptrs.\n");
318 goto fail_req_map;
319 }
320
321 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
322 GFP_KERNEL);
323 if (!ha->rsp_q_map) {
324 ql_log(ql_log_fatal, vha, 0x003c,
325 "Unable to allocate memory for response queue ptrs.\n");
326 goto fail_rsp_map;
327 }
328 set_bit(0, ha->rsp_qid_map);
329 set_bit(0, ha->req_qid_map);
330 return 1;
331
332 fail_rsp_map:
333 kfree(ha->req_q_map);
334 ha->req_q_map = NULL;
335 fail_req_map:
336 return -ENOMEM;
337 }
338
339 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
340 {
341 if (req && req->ring)
342 dma_free_coherent(&ha->pdev->dev,
343 (req->length + 1) * sizeof(request_t),
344 req->ring, req->dma);
345
346 kfree(req);
347 req = NULL;
348 }
349
350 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
351 {
352 if (rsp && rsp->ring)
353 dma_free_coherent(&ha->pdev->dev,
354 (rsp->length + 1) * sizeof(response_t),
355 rsp->ring, rsp->dma);
356
357 kfree(rsp);
358 rsp = NULL;
359 }
360
361 static void qla2x00_free_queues(struct qla_hw_data *ha)
362 {
363 struct req_que *req;
364 struct rsp_que *rsp;
365 int cnt;
366
367 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
368 req = ha->req_q_map[cnt];
369 qla2x00_free_req_que(ha, req);
370 }
371 kfree(ha->req_q_map);
372 ha->req_q_map = NULL;
373
374 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
375 rsp = ha->rsp_q_map[cnt];
376 qla2x00_free_rsp_que(ha, rsp);
377 }
378 kfree(ha->rsp_q_map);
379 ha->rsp_q_map = NULL;
380 }
381
382 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
383 {
384 uint16_t options = 0;
385 int ques, req, ret;
386 struct qla_hw_data *ha = vha->hw;
387
388 if (!(ha->fw_attributes & BIT_6)) {
389 ql_log(ql_log_warn, vha, 0x00d8,
390 "Firmware is not multi-queue capable.\n");
391 goto fail;
392 }
393 if (ql2xmultique_tag) {
394 /* create a request queue for IO */
395 options |= BIT_7;
396 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
397 QLA_DEFAULT_QUE_QOS);
398 if (!req) {
399 ql_log(ql_log_warn, vha, 0x00e0,
400 "Failed to create request queue.\n");
401 goto fail;
402 }
403 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
404 vha->req = ha->req_q_map[req];
405 options |= BIT_1;
406 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
407 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
408 if (!ret) {
409 ql_log(ql_log_warn, vha, 0x00e8,
410 "Failed to create response queue.\n");
411 goto fail2;
412 }
413 }
414 ha->flags.cpu_affinity_enabled = 1;
415 ql_dbg(ql_dbg_multiq, vha, 0xc007,
416 "CPU affinity mode enalbed, "
417 "no. of response queues:%d no. of request queues:%d.\n",
418 ha->max_rsp_queues, ha->max_req_queues);
419 ql_dbg(ql_dbg_init, vha, 0x00e9,
420 "CPU affinity mode enalbed, "
421 "no. of response queues:%d no. of request queues:%d.\n",
422 ha->max_rsp_queues, ha->max_req_queues);
423 }
424 return 0;
425 fail2:
426 qla25xx_delete_queues(vha);
427 destroy_workqueue(ha->wq);
428 ha->wq = NULL;
429 vha->req = ha->req_q_map[0];
430 fail:
431 ha->mqenable = 0;
432 kfree(ha->req_q_map);
433 kfree(ha->rsp_q_map);
434 ha->max_req_queues = ha->max_rsp_queues = 1;
435 return 1;
436 }
437
438 static char *
439 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
440 {
441 struct qla_hw_data *ha = vha->hw;
442 static char *pci_bus_modes[] = {
443 "33", "66", "100", "133",
444 };
445 uint16_t pci_bus;
446
447 strcpy(str, "PCI");
448 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
449 if (pci_bus) {
450 strcat(str, "-X (");
451 strcat(str, pci_bus_modes[pci_bus]);
452 } else {
453 pci_bus = (ha->pci_attr & BIT_8) >> 8;
454 strcat(str, " (");
455 strcat(str, pci_bus_modes[pci_bus]);
456 }
457 strcat(str, " MHz)");
458
459 return (str);
460 }
461
462 static char *
463 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
464 {
465 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
466 struct qla_hw_data *ha = vha->hw;
467 uint32_t pci_bus;
468 int pcie_reg;
469
470 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
471 if (pcie_reg) {
472 char lwstr[6];
473 uint16_t pcie_lstat, lspeed, lwidth;
474
475 pcie_reg += 0x12;
476 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
477 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
478 lwidth = (pcie_lstat &
479 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
480
481 strcpy(str, "PCIe (");
482 if (lspeed == 1)
483 strcat(str, "2.5GT/s ");
484 else if (lspeed == 2)
485 strcat(str, "5.0GT/s ");
486 else
487 strcat(str, "<unknown> ");
488 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
489 strcat(str, lwstr);
490
491 return str;
492 }
493
494 strcpy(str, "PCI");
495 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
496 if (pci_bus == 0 || pci_bus == 8) {
497 strcat(str, " (");
498 strcat(str, pci_bus_modes[pci_bus >> 3]);
499 } else {
500 strcat(str, "-X ");
501 if (pci_bus & BIT_2)
502 strcat(str, "Mode 2");
503 else
504 strcat(str, "Mode 1");
505 strcat(str, " (");
506 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
507 }
508 strcat(str, " MHz)");
509
510 return str;
511 }
512
513 static char *
514 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
515 {
516 char un_str[10];
517 struct qla_hw_data *ha = vha->hw;
518
519 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
520 ha->fw_minor_version,
521 ha->fw_subminor_version);
522
523 if (ha->fw_attributes & BIT_9) {
524 strcat(str, "FLX");
525 return (str);
526 }
527
528 switch (ha->fw_attributes & 0xFF) {
529 case 0x7:
530 strcat(str, "EF");
531 break;
532 case 0x17:
533 strcat(str, "TP");
534 break;
535 case 0x37:
536 strcat(str, "IP");
537 break;
538 case 0x77:
539 strcat(str, "VI");
540 break;
541 default:
542 sprintf(un_str, "(%x)", ha->fw_attributes);
543 strcat(str, un_str);
544 break;
545 }
546 if (ha->fw_attributes & 0x100)
547 strcat(str, "X");
548
549 return (str);
550 }
551
552 static char *
553 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
554 {
555 struct qla_hw_data *ha = vha->hw;
556
557 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
558 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
559 return str;
560 }
561
562 static inline srb_t *
563 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
564 struct scsi_cmnd *cmd)
565 {
566 srb_t *sp;
567 struct qla_hw_data *ha = vha->hw;
568
569 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
570 if (!sp) {
571 ql_log(ql_log_warn, vha, 0x3006,
572 "Memory allocation failed for sp.\n");
573 return sp;
574 }
575
576 atomic_set(&sp->ref_count, 1);
577 sp->fcport = fcport;
578 sp->cmd = cmd;
579 sp->flags = 0;
580 CMD_SP(cmd) = (void *)sp;
581 sp->ctx = NULL;
582
583 return sp;
584 }
585
586 static int
587 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
588 {
589 scsi_qla_host_t *vha = shost_priv(host);
590 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
591 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
592 struct qla_hw_data *ha = vha->hw;
593 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
594 srb_t *sp;
595 int rval;
596
597 if (ha->flags.eeh_busy) {
598 if (ha->flags.pci_channel_io_perm_failure) {
599 ql_dbg(ql_dbg_io, vha, 0x3001,
600 "PCI Channel IO permanent failure, exiting "
601 "cmd=%p.\n", cmd);
602 cmd->result = DID_NO_CONNECT << 16;
603 } else {
604 ql_dbg(ql_dbg_io, vha, 0x3002,
605 "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
606 cmd->result = DID_REQUEUE << 16;
607 }
608 goto qc24_fail_command;
609 }
610
611 rval = fc_remote_port_chkready(rport);
612 if (rval) {
613 cmd->result = rval;
614 ql_dbg(ql_dbg_io, vha, 0x3003,
615 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
616 cmd, rval);
617 goto qc24_fail_command;
618 }
619
620 if (!vha->flags.difdix_supported &&
621 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
622 ql_dbg(ql_dbg_io, vha, 0x3004,
623 "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
624 cmd);
625 cmd->result = DID_NO_CONNECT << 16;
626 goto qc24_fail_command;
627 }
628
629 if (!fcport) {
630 cmd->result = DID_NO_CONNECT << 16;
631 goto qc24_fail_command;
632 }
633
634 if (atomic_read(&fcport->state) != FCS_ONLINE) {
635 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
636 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
637 ql_dbg(ql_dbg_io, vha, 0x3005,
638 "Returning DNC, fcport_state=%d loop_state=%d.\n",
639 atomic_read(&fcport->state),
640 atomic_read(&base_vha->loop_state));
641 cmd->result = DID_NO_CONNECT << 16;
642 goto qc24_fail_command;
643 }
644 goto qc24_target_busy;
645 }
646
647 sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
648 if (!sp)
649 goto qc24_host_busy;
650
651 rval = ha->isp_ops->start_scsi(sp);
652 if (rval != QLA_SUCCESS) {
653 ql_dbg(ql_dbg_io, vha, 0x3013,
654 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
655 goto qc24_host_busy_free_sp;
656 }
657
658 return 0;
659
660 qc24_host_busy_free_sp:
661 qla2x00_sp_free_dma(sp);
662 mempool_free(sp, ha->srb_mempool);
663
664 qc24_host_busy:
665 return SCSI_MLQUEUE_HOST_BUSY;
666
667 qc24_target_busy:
668 return SCSI_MLQUEUE_TARGET_BUSY;
669
670 qc24_fail_command:
671 cmd->scsi_done(cmd);
672
673 return 0;
674 }
675
676 /*
677 * qla2x00_eh_wait_on_command
678 * Waits for the command to be returned by the Firmware for some
679 * max time.
680 *
681 * Input:
682 * cmd = Scsi Command to wait on.
683 *
684 * Return:
685 * Not Found : 0
686 * Found : 1
687 */
688 static int
689 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
690 {
691 #define ABORT_POLLING_PERIOD 1000
692 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
693 unsigned long wait_iter = ABORT_WAIT_ITER;
694 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
695 struct qla_hw_data *ha = vha->hw;
696 int ret = QLA_SUCCESS;
697
698 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
699 ql_dbg(ql_dbg_taskm, vha, 0x8005,
700 "Return:eh_wait.\n");
701 return ret;
702 }
703
704 while (CMD_SP(cmd) && wait_iter--) {
705 msleep(ABORT_POLLING_PERIOD);
706 }
707 if (CMD_SP(cmd))
708 ret = QLA_FUNCTION_FAILED;
709
710 return ret;
711 }
712
713 /*
714 * qla2x00_wait_for_hba_online
715 * Wait till the HBA is online after going through
716 * <= MAX_RETRIES_OF_ISP_ABORT or
717 * finally HBA is disabled ie marked offline
718 *
719 * Input:
720 * ha - pointer to host adapter structure
721 *
722 * Note:
723 * Does context switching-Release SPIN_LOCK
724 * (if any) before calling this routine.
725 *
726 * Return:
727 * Success (Adapter is online) : 0
728 * Failed (Adapter is offline/disabled) : 1
729 */
730 int
731 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
732 {
733 int return_status;
734 unsigned long wait_online;
735 struct qla_hw_data *ha = vha->hw;
736 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
737
738 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
739 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
740 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
741 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
742 ha->dpc_active) && time_before(jiffies, wait_online)) {
743
744 msleep(1000);
745 }
746 if (base_vha->flags.online)
747 return_status = QLA_SUCCESS;
748 else
749 return_status = QLA_FUNCTION_FAILED;
750
751 return (return_status);
752 }
753
754 /*
755 * qla2x00_wait_for_reset_ready
756 * Wait till the HBA is online after going through
757 * <= MAX_RETRIES_OF_ISP_ABORT or
758 * finally HBA is disabled ie marked offline or flash
759 * operations are in progress.
760 *
761 * Input:
762 * ha - pointer to host adapter structure
763 *
764 * Note:
765 * Does context switching-Release SPIN_LOCK
766 * (if any) before calling this routine.
767 *
768 * Return:
769 * Success (Adapter is online/no flash ops) : 0
770 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
771 */
772 static int
773 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
774 {
775 int return_status;
776 unsigned long wait_online;
777 struct qla_hw_data *ha = vha->hw;
778 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
779
780 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
781 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
782 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
783 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
784 ha->optrom_state != QLA_SWAITING ||
785 ha->dpc_active) && time_before(jiffies, wait_online))
786 msleep(1000);
787
788 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
789 return_status = QLA_SUCCESS;
790 else
791 return_status = QLA_FUNCTION_FAILED;
792
793 ql_dbg(ql_dbg_taskm, vha, 0x8019,
794 "%s return status=%d.\n", __func__, return_status);
795
796 return return_status;
797 }
798
799 int
800 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
801 {
802 int return_status;
803 unsigned long wait_reset;
804 struct qla_hw_data *ha = vha->hw;
805 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
806
807 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
808 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
809 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
810 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
811 ha->dpc_active) && time_before(jiffies, wait_reset)) {
812
813 msleep(1000);
814
815 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
816 ha->flags.chip_reset_done)
817 break;
818 }
819 if (ha->flags.chip_reset_done)
820 return_status = QLA_SUCCESS;
821 else
822 return_status = QLA_FUNCTION_FAILED;
823
824 return return_status;
825 }
826
827 static void
828 sp_get(struct srb *sp)
829 {
830 atomic_inc(&sp->ref_count);
831 }
832
833 /**************************************************************************
834 * qla2xxx_eh_abort
835 *
836 * Description:
837 * The abort function will abort the specified command.
838 *
839 * Input:
840 * cmd = Linux SCSI command packet to be aborted.
841 *
842 * Returns:
843 * Either SUCCESS or FAILED.
844 *
845 * Note:
846 * Only return FAILED if command not returned by firmware.
847 **************************************************************************/
848 static int
849 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
850 {
851 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
852 srb_t *sp;
853 int ret;
854 unsigned int id, lun;
855 unsigned long flags;
856 int wait = 0;
857 struct qla_hw_data *ha = vha->hw;
858
859 if (!CMD_SP(cmd))
860 return SUCCESS;
861
862 ret = fc_block_scsi_eh(cmd);
863 if (ret != 0)
864 return ret;
865 ret = SUCCESS;
866
867 id = cmd->device->id;
868 lun = cmd->device->lun;
869
870 spin_lock_irqsave(&ha->hardware_lock, flags);
871 sp = (srb_t *) CMD_SP(cmd);
872 if (!sp) {
873 spin_unlock_irqrestore(&ha->hardware_lock, flags);
874 return SUCCESS;
875 }
876
877 ql_dbg(ql_dbg_taskm, vha, 0x8002,
878 "Aborting from RISC nexus=%ld:%d:%d sp=%p cmd=%p\n",
879 vha->host_no, id, lun, sp, cmd);
880
881 /* Get a reference to the sp and drop the lock.*/
882 sp_get(sp);
883
884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
885 if (ha->isp_ops->abort_command(sp)) {
886 ret = FAILED;
887 ql_dbg(ql_dbg_taskm, vha, 0x8003,
888 "Abort command mbx failed cmd=%p.\n", cmd);
889 } else {
890 ql_dbg(ql_dbg_taskm, vha, 0x8004,
891 "Abort command mbx success cmd=%p.\n", cmd);
892 wait = 1;
893 }
894
895 spin_lock_irqsave(&ha->hardware_lock, flags);
896 qla2x00_sp_compl(ha, sp);
897 spin_unlock_irqrestore(&ha->hardware_lock, flags);
898
899 /* Did the command return during mailbox execution? */
900 if (ret == FAILED && !CMD_SP(cmd))
901 ret = SUCCESS;
902
903 /* Wait for the command to be returned. */
904 if (wait) {
905 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
906 ql_log(ql_log_warn, vha, 0x8006,
907 "Abort handler timed out cmd=%p.\n", cmd);
908 ret = FAILED;
909 }
910 }
911
912 ql_log(ql_log_info, vha, 0x801c,
913 "Abort command issued nexus=%ld:%d:%d -- %d %x.\n",
914 vha->host_no, id, lun, wait, ret);
915
916 return ret;
917 }
918
919 int
920 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
921 unsigned int l, enum nexus_wait_type type)
922 {
923 int cnt, match, status;
924 unsigned long flags;
925 struct qla_hw_data *ha = vha->hw;
926 struct req_que *req;
927 srb_t *sp;
928
929 status = QLA_SUCCESS;
930
931 spin_lock_irqsave(&ha->hardware_lock, flags);
932 req = vha->req;
933 for (cnt = 1; status == QLA_SUCCESS &&
934 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
935 sp = req->outstanding_cmds[cnt];
936 if (!sp)
937 continue;
938 if ((sp->ctx) && !IS_PROT_IO(sp))
939 continue;
940 if (vha->vp_idx != sp->fcport->vha->vp_idx)
941 continue;
942 match = 0;
943 switch (type) {
944 case WAIT_HOST:
945 match = 1;
946 break;
947 case WAIT_TARGET:
948 match = sp->cmd->device->id == t;
949 break;
950 case WAIT_LUN:
951 match = (sp->cmd->device->id == t &&
952 sp->cmd->device->lun == l);
953 break;
954 }
955 if (!match)
956 continue;
957
958 spin_unlock_irqrestore(&ha->hardware_lock, flags);
959 status = qla2x00_eh_wait_on_command(sp->cmd);
960 spin_lock_irqsave(&ha->hardware_lock, flags);
961 }
962 spin_unlock_irqrestore(&ha->hardware_lock, flags);
963
964 return status;
965 }
966
967 static char *reset_errors[] = {
968 "HBA not online",
969 "HBA not ready",
970 "Task management failed",
971 "Waiting for command completions",
972 };
973
974 static int
975 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
976 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
977 {
978 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
979 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
980 int err;
981
982 if (!fcport) {
983 return FAILED;
984 }
985
986 err = fc_block_scsi_eh(cmd);
987 if (err != 0)
988 return err;
989
990 ql_log(ql_log_info, vha, 0x8009,
991 "%s RESET ISSUED nexus=%ld:%d:%d cmd=%p.\n", name, vha->host_no,
992 cmd->device->id, cmd->device->lun, cmd);
993
994 err = 0;
995 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
996 ql_log(ql_log_warn, vha, 0x800a,
997 "Wait for hba online failed for cmd=%p.\n", cmd);
998 goto eh_reset_failed;
999 }
1000 err = 2;
1001 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1002 != QLA_SUCCESS) {
1003 ql_log(ql_log_warn, vha, 0x800c,
1004 "do_reset failed for cmd=%p.\n", cmd);
1005 goto eh_reset_failed;
1006 }
1007 err = 3;
1008 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1009 cmd->device->lun, type) != QLA_SUCCESS) {
1010 ql_log(ql_log_warn, vha, 0x800d,
1011 "wait for peding cmds failed for cmd=%p.\n", cmd);
1012 goto eh_reset_failed;
1013 }
1014
1015 ql_log(ql_log_info, vha, 0x800e,
1016 "%s RESET SUCCEEDED nexus:%ld:%d:%d cmd=%p.\n", name,
1017 vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1018
1019 return SUCCESS;
1020
1021 eh_reset_failed:
1022 ql_log(ql_log_info, vha, 0x800f,
1023 "%s RESET FAILED: %s nexus=%ld:%d:%d cmd=%p.\n", name,
1024 reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1025 cmd);
1026 return FAILED;
1027 }
1028
1029 static int
1030 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1031 {
1032 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033 struct qla_hw_data *ha = vha->hw;
1034
1035 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1036 ha->isp_ops->lun_reset);
1037 }
1038
1039 static int
1040 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1041 {
1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 struct qla_hw_data *ha = vha->hw;
1044
1045 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1046 ha->isp_ops->target_reset);
1047 }
1048
1049 /**************************************************************************
1050 * qla2xxx_eh_bus_reset
1051 *
1052 * Description:
1053 * The bus reset function will reset the bus and abort any executing
1054 * commands.
1055 *
1056 * Input:
1057 * cmd = Linux SCSI command packet of the command that cause the
1058 * bus reset.
1059 *
1060 * Returns:
1061 * SUCCESS/FAILURE (defined as macro in scsi.h).
1062 *
1063 **************************************************************************/
1064 static int
1065 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1066 {
1067 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1068 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1069 int ret = FAILED;
1070 unsigned int id, lun;
1071
1072 id = cmd->device->id;
1073 lun = cmd->device->lun;
1074
1075 if (!fcport) {
1076 return ret;
1077 }
1078
1079 ret = fc_block_scsi_eh(cmd);
1080 if (ret != 0)
1081 return ret;
1082 ret = FAILED;
1083
1084 ql_log(ql_log_info, vha, 0x8012,
1085 "BUS RESET ISSUED nexus=%ld:%d%d.\n", vha->host_no, id, lun);
1086
1087 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1088 ql_log(ql_log_fatal, vha, 0x8013,
1089 "Wait for hba online failed board disabled.\n");
1090 goto eh_bus_reset_done;
1091 }
1092
1093 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1094 ret = SUCCESS;
1095
1096 if (ret == FAILED)
1097 goto eh_bus_reset_done;
1098
1099 /* Flush outstanding commands. */
1100 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1101 QLA_SUCCESS) {
1102 ql_log(ql_log_warn, vha, 0x8014,
1103 "Wait for pending commands failed.\n");
1104 ret = FAILED;
1105 }
1106
1107 eh_bus_reset_done:
1108 ql_log(ql_log_warn, vha, 0x802b,
1109 "BUS RESET %s nexus=%ld:%d:%d.\n",
1110 (ret == FAILED) ? "FAILED" : "SUCCEDED", vha->host_no, id, lun);
1111
1112 return ret;
1113 }
1114
1115 /**************************************************************************
1116 * qla2xxx_eh_host_reset
1117 *
1118 * Description:
1119 * The reset function will reset the Adapter.
1120 *
1121 * Input:
1122 * cmd = Linux SCSI command packet of the command that cause the
1123 * adapter reset.
1124 *
1125 * Returns:
1126 * Either SUCCESS or FAILED.
1127 *
1128 * Note:
1129 **************************************************************************/
1130 static int
1131 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1132 {
1133 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1134 struct qla_hw_data *ha = vha->hw;
1135 int ret = FAILED;
1136 unsigned int id, lun;
1137 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1138
1139 id = cmd->device->id;
1140 lun = cmd->device->lun;
1141
1142 ql_log(ql_log_info, vha, 0x8018,
1143 "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
1144
1145 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1146 goto eh_host_reset_lock;
1147
1148 if (vha != base_vha) {
1149 if (qla2x00_vp_abort_isp(vha))
1150 goto eh_host_reset_lock;
1151 } else {
1152 if (IS_QLA82XX(vha->hw)) {
1153 if (!qla82xx_fcoe_ctx_reset(vha)) {
1154 /* Ctx reset success */
1155 ret = SUCCESS;
1156 goto eh_host_reset_lock;
1157 }
1158 /* fall thru if ctx reset failed */
1159 }
1160 if (ha->wq)
1161 flush_workqueue(ha->wq);
1162
1163 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1164 if (ha->isp_ops->abort_isp(base_vha)) {
1165 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1166 /* failed. schedule dpc to try */
1167 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1168
1169 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1170 ql_log(ql_log_warn, vha, 0x802a,
1171 "wait for hba online failed.\n");
1172 goto eh_host_reset_lock;
1173 }
1174 }
1175 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1176 }
1177
1178 /* Waiting for command to be returned to OS.*/
1179 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1180 QLA_SUCCESS)
1181 ret = SUCCESS;
1182
1183 eh_host_reset_lock:
1184 ql_log(ql_log_info, vha, 0x8017,
1185 "ADAPTER RESET %s nexus=%ld:%d:%d.\n",
1186 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1187
1188 return ret;
1189 }
1190
1191 /*
1192 * qla2x00_loop_reset
1193 * Issue loop reset.
1194 *
1195 * Input:
1196 * ha = adapter block pointer.
1197 *
1198 * Returns:
1199 * 0 = success
1200 */
1201 int
1202 qla2x00_loop_reset(scsi_qla_host_t *vha)
1203 {
1204 int ret;
1205 struct fc_port *fcport;
1206 struct qla_hw_data *ha = vha->hw;
1207
1208 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1209 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1210 if (fcport->port_type != FCT_TARGET)
1211 continue;
1212
1213 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1214 if (ret != QLA_SUCCESS) {
1215 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1216 "Bus Reset failed: Target Reset=%d "
1217 "d_id=%x.\n", ret, fcport->d_id.b24);
1218 }
1219 }
1220 }
1221
1222 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1223 ret = qla2x00_full_login_lip(vha);
1224 if (ret != QLA_SUCCESS) {
1225 ql_dbg(ql_dbg_taskm, vha, 0x802d,
1226 "full_login_lip=%d.\n", ret);
1227 }
1228 atomic_set(&vha->loop_state, LOOP_DOWN);
1229 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1230 qla2x00_mark_all_devices_lost(vha, 0);
1231 }
1232
1233 if (ha->flags.enable_lip_reset) {
1234 ret = qla2x00_lip_reset(vha);
1235 if (ret != QLA_SUCCESS)
1236 ql_dbg(ql_dbg_taskm, vha, 0x802e,
1237 "lip_reset failed (%d).\n", ret);
1238 }
1239
1240 /* Issue marker command only when we are going to start the I/O */
1241 vha->marker_needed = 1;
1242
1243 return QLA_SUCCESS;
1244 }
1245
1246 void
1247 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1248 {
1249 int que, cnt;
1250 unsigned long flags;
1251 srb_t *sp;
1252 struct srb_ctx *ctx;
1253 struct qla_hw_data *ha = vha->hw;
1254 struct req_que *req;
1255
1256 spin_lock_irqsave(&ha->hardware_lock, flags);
1257 for (que = 0; que < ha->max_req_queues; que++) {
1258 req = ha->req_q_map[que];
1259 if (!req)
1260 continue;
1261 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1262 sp = req->outstanding_cmds[cnt];
1263 if (sp) {
1264 req->outstanding_cmds[cnt] = NULL;
1265 if (!sp->ctx ||
1266 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1267 IS_PROT_IO(sp)) {
1268 sp->cmd->result = res;
1269 qla2x00_sp_compl(ha, sp);
1270 } else {
1271 ctx = sp->ctx;
1272 if (ctx->type == SRB_ELS_CMD_RPT ||
1273 ctx->type == SRB_ELS_CMD_HST ||
1274 ctx->type == SRB_CT_CMD) {
1275 struct fc_bsg_job *bsg_job =
1276 ctx->u.bsg_job;
1277 if (bsg_job->request->msgcode
1278 == FC_BSG_HST_CT)
1279 kfree(sp->fcport);
1280 bsg_job->req->errors = 0;
1281 bsg_job->reply->result = res;
1282 bsg_job->job_done(bsg_job);
1283 kfree(sp->ctx);
1284 mempool_free(sp,
1285 ha->srb_mempool);
1286 } else {
1287 ctx->u.iocb_cmd->free(sp);
1288 }
1289 }
1290 }
1291 }
1292 }
1293 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1294 }
1295
1296 static int
1297 qla2xxx_slave_alloc(struct scsi_device *sdev)
1298 {
1299 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1300
1301 if (!rport || fc_remote_port_chkready(rport))
1302 return -ENXIO;
1303
1304 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1305
1306 return 0;
1307 }
1308
1309 static int
1310 qla2xxx_slave_configure(struct scsi_device *sdev)
1311 {
1312 scsi_qla_host_t *vha = shost_priv(sdev->host);
1313 struct req_que *req = vha->req;
1314
1315 if (sdev->tagged_supported)
1316 scsi_activate_tcq(sdev, req->max_q_depth);
1317 else
1318 scsi_deactivate_tcq(sdev, req->max_q_depth);
1319 return 0;
1320 }
1321
1322 static void
1323 qla2xxx_slave_destroy(struct scsi_device *sdev)
1324 {
1325 sdev->hostdata = NULL;
1326 }
1327
1328 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1329 {
1330 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1331
1332 if (!scsi_track_queue_full(sdev, qdepth))
1333 return;
1334
1335 ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1336 "Queue depth adjusted-down to %d for nexus=%ld:%d:%d.\n",
1337 sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1338 }
1339
1340 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1341 {
1342 fc_port_t *fcport = sdev->hostdata;
1343 struct scsi_qla_host *vha = fcport->vha;
1344 struct req_que *req = NULL;
1345
1346 req = vha->req;
1347 if (!req)
1348 return;
1349
1350 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1351 return;
1352
1353 if (sdev->ordered_tags)
1354 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1355 else
1356 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1357
1358 ql_dbg(ql_dbg_io, vha, 0x302a,
1359 "Queue depth adjusted-up to %d for nexus=%ld:%d:%d.\n",
1360 sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1361 }
1362
1363 static int
1364 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1365 {
1366 switch (reason) {
1367 case SCSI_QDEPTH_DEFAULT:
1368 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1369 break;
1370 case SCSI_QDEPTH_QFULL:
1371 qla2x00_handle_queue_full(sdev, qdepth);
1372 break;
1373 case SCSI_QDEPTH_RAMP_UP:
1374 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1375 break;
1376 default:
1377 return -EOPNOTSUPP;
1378 }
1379
1380 return sdev->queue_depth;
1381 }
1382
1383 static int
1384 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1385 {
1386 if (sdev->tagged_supported) {
1387 scsi_set_tag_type(sdev, tag_type);
1388 if (tag_type)
1389 scsi_activate_tcq(sdev, sdev->queue_depth);
1390 else
1391 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1392 } else
1393 tag_type = 0;
1394
1395 return tag_type;
1396 }
1397
1398 /**
1399 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1400 * @ha: HA context
1401 *
1402 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1403 * supported addressing method.
1404 */
1405 static void
1406 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1407 {
1408 /* Assume a 32bit DMA mask. */
1409 ha->flags.enable_64bit_addressing = 0;
1410
1411 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1412 /* Any upper-dword bits set? */
1413 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1414 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1415 /* Ok, a 64bit DMA mask is applicable. */
1416 ha->flags.enable_64bit_addressing = 1;
1417 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1418 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1419 return;
1420 }
1421 }
1422
1423 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1424 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1425 }
1426
1427 static void
1428 qla2x00_enable_intrs(struct qla_hw_data *ha)
1429 {
1430 unsigned long flags = 0;
1431 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1432
1433 spin_lock_irqsave(&ha->hardware_lock, flags);
1434 ha->interrupts_on = 1;
1435 /* enable risc and host interrupts */
1436 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1437 RD_REG_WORD(&reg->ictrl);
1438 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1439
1440 }
1441
1442 static void
1443 qla2x00_disable_intrs(struct qla_hw_data *ha)
1444 {
1445 unsigned long flags = 0;
1446 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1447
1448 spin_lock_irqsave(&ha->hardware_lock, flags);
1449 ha->interrupts_on = 0;
1450 /* disable risc and host interrupts */
1451 WRT_REG_WORD(&reg->ictrl, 0);
1452 RD_REG_WORD(&reg->ictrl);
1453 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1454 }
1455
1456 static void
1457 qla24xx_enable_intrs(struct qla_hw_data *ha)
1458 {
1459 unsigned long flags = 0;
1460 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1461
1462 spin_lock_irqsave(&ha->hardware_lock, flags);
1463 ha->interrupts_on = 1;
1464 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1465 RD_REG_DWORD(&reg->ictrl);
1466 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1467 }
1468
1469 static void
1470 qla24xx_disable_intrs(struct qla_hw_data *ha)
1471 {
1472 unsigned long flags = 0;
1473 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1474
1475 if (IS_NOPOLLING_TYPE(ha))
1476 return;
1477 spin_lock_irqsave(&ha->hardware_lock, flags);
1478 ha->interrupts_on = 0;
1479 WRT_REG_DWORD(&reg->ictrl, 0);
1480 RD_REG_DWORD(&reg->ictrl);
1481 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1482 }
1483
1484 static int
1485 qla2x00_iospace_config(struct qla_hw_data *ha)
1486 {
1487 resource_size_t pio;
1488 uint16_t msix;
1489 int cpus;
1490
1491 if (IS_QLA82XX(ha))
1492 return qla82xx_iospace_config(ha);
1493
1494 if (pci_request_selected_regions(ha->pdev, ha->bars,
1495 QLA2XXX_DRIVER_NAME)) {
1496 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1497 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1498 pci_name(ha->pdev));
1499 goto iospace_error_exit;
1500 }
1501 if (!(ha->bars & 1))
1502 goto skip_pio;
1503
1504 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1505 pio = pci_resource_start(ha->pdev, 0);
1506 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1507 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1508 ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1509 "Invalid pci I/O region size (%s).\n",
1510 pci_name(ha->pdev));
1511 pio = 0;
1512 }
1513 } else {
1514 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1515 "Region #0 no a PIO resource (%s).\n",
1516 pci_name(ha->pdev));
1517 pio = 0;
1518 }
1519 ha->pio_address = pio;
1520 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1521 "PIO address=%llu.\n",
1522 (unsigned long long)ha->pio_address);
1523
1524 skip_pio:
1525 /* Use MMIO operations for all accesses. */
1526 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1527 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1528 "Region #1 not an MMIO resource (%s), aborting.\n",
1529 pci_name(ha->pdev));
1530 goto iospace_error_exit;
1531 }
1532 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1533 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1534 "Invalid PCI mem region size (%s), aborting.\n",
1535 pci_name(ha->pdev));
1536 goto iospace_error_exit;
1537 }
1538
1539 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1540 if (!ha->iobase) {
1541 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1542 "Cannot remap MMIO (%s), aborting.\n",
1543 pci_name(ha->pdev));
1544 goto iospace_error_exit;
1545 }
1546
1547 /* Determine queue resources */
1548 ha->max_req_queues = ha->max_rsp_queues = 1;
1549 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1550 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1551 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1552 goto mqiobase_exit;
1553
1554 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1555 pci_resource_len(ha->pdev, 3));
1556 if (ha->mqiobase) {
1557 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1558 "MQIO Base=%p.\n", ha->mqiobase);
1559 /* Read MSIX vector size of the board */
1560 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1561 ha->msix_count = msix;
1562 /* Max queues are bounded by available msix vectors */
1563 /* queue 0 uses two msix vectors */
1564 if (ql2xmultique_tag) {
1565 cpus = num_online_cpus();
1566 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1567 (cpus + 1) : (ha->msix_count - 1);
1568 ha->max_req_queues = 2;
1569 } else if (ql2xmaxqueues > 1) {
1570 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1571 QLA_MQ_SIZE : ql2xmaxqueues;
1572 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1573 "QoS mode set, max no of request queues:%d.\n",
1574 ha->max_req_queues);
1575 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1576 "QoS mode set, max no of request queues:%d.\n",
1577 ha->max_req_queues);
1578 }
1579 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1580 "MSI-X vector count: %d.\n", msix);
1581 } else
1582 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1583 "BAR 3 not enabled.\n");
1584
1585 mqiobase_exit:
1586 ha->msix_count = ha->max_rsp_queues + 1;
1587 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1588 "MSIX Count:%d.\n", ha->msix_count);
1589 return (0);
1590
1591 iospace_error_exit:
1592 return (-ENOMEM);
1593 }
1594
1595
1596 static struct isp_operations qla2100_isp_ops = {
1597 .pci_config = qla2100_pci_config,
1598 .reset_chip = qla2x00_reset_chip,
1599 .chip_diag = qla2x00_chip_diag,
1600 .config_rings = qla2x00_config_rings,
1601 .reset_adapter = qla2x00_reset_adapter,
1602 .nvram_config = qla2x00_nvram_config,
1603 .update_fw_options = qla2x00_update_fw_options,
1604 .load_risc = qla2x00_load_risc,
1605 .pci_info_str = qla2x00_pci_info_str,
1606 .fw_version_str = qla2x00_fw_version_str,
1607 .intr_handler = qla2100_intr_handler,
1608 .enable_intrs = qla2x00_enable_intrs,
1609 .disable_intrs = qla2x00_disable_intrs,
1610 .abort_command = qla2x00_abort_command,
1611 .target_reset = qla2x00_abort_target,
1612 .lun_reset = qla2x00_lun_reset,
1613 .fabric_login = qla2x00_login_fabric,
1614 .fabric_logout = qla2x00_fabric_logout,
1615 .calc_req_entries = qla2x00_calc_iocbs_32,
1616 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1617 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1618 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1619 .read_nvram = qla2x00_read_nvram_data,
1620 .write_nvram = qla2x00_write_nvram_data,
1621 .fw_dump = qla2100_fw_dump,
1622 .beacon_on = NULL,
1623 .beacon_off = NULL,
1624 .beacon_blink = NULL,
1625 .read_optrom = qla2x00_read_optrom_data,
1626 .write_optrom = qla2x00_write_optrom_data,
1627 .get_flash_version = qla2x00_get_flash_version,
1628 .start_scsi = qla2x00_start_scsi,
1629 .abort_isp = qla2x00_abort_isp,
1630 .iospace_config = qla2x00_iospace_config,
1631 };
1632
1633 static struct isp_operations qla2300_isp_ops = {
1634 .pci_config = qla2300_pci_config,
1635 .reset_chip = qla2x00_reset_chip,
1636 .chip_diag = qla2x00_chip_diag,
1637 .config_rings = qla2x00_config_rings,
1638 .reset_adapter = qla2x00_reset_adapter,
1639 .nvram_config = qla2x00_nvram_config,
1640 .update_fw_options = qla2x00_update_fw_options,
1641 .load_risc = qla2x00_load_risc,
1642 .pci_info_str = qla2x00_pci_info_str,
1643 .fw_version_str = qla2x00_fw_version_str,
1644 .intr_handler = qla2300_intr_handler,
1645 .enable_intrs = qla2x00_enable_intrs,
1646 .disable_intrs = qla2x00_disable_intrs,
1647 .abort_command = qla2x00_abort_command,
1648 .target_reset = qla2x00_abort_target,
1649 .lun_reset = qla2x00_lun_reset,
1650 .fabric_login = qla2x00_login_fabric,
1651 .fabric_logout = qla2x00_fabric_logout,
1652 .calc_req_entries = qla2x00_calc_iocbs_32,
1653 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1654 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1655 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1656 .read_nvram = qla2x00_read_nvram_data,
1657 .write_nvram = qla2x00_write_nvram_data,
1658 .fw_dump = qla2300_fw_dump,
1659 .beacon_on = qla2x00_beacon_on,
1660 .beacon_off = qla2x00_beacon_off,
1661 .beacon_blink = qla2x00_beacon_blink,
1662 .read_optrom = qla2x00_read_optrom_data,
1663 .write_optrom = qla2x00_write_optrom_data,
1664 .get_flash_version = qla2x00_get_flash_version,
1665 .start_scsi = qla2x00_start_scsi,
1666 .abort_isp = qla2x00_abort_isp,
1667 .iospace_config = qla2x00_iospace_config,
1668 };
1669
1670 static struct isp_operations qla24xx_isp_ops = {
1671 .pci_config = qla24xx_pci_config,
1672 .reset_chip = qla24xx_reset_chip,
1673 .chip_diag = qla24xx_chip_diag,
1674 .config_rings = qla24xx_config_rings,
1675 .reset_adapter = qla24xx_reset_adapter,
1676 .nvram_config = qla24xx_nvram_config,
1677 .update_fw_options = qla24xx_update_fw_options,
1678 .load_risc = qla24xx_load_risc,
1679 .pci_info_str = qla24xx_pci_info_str,
1680 .fw_version_str = qla24xx_fw_version_str,
1681 .intr_handler = qla24xx_intr_handler,
1682 .enable_intrs = qla24xx_enable_intrs,
1683 .disable_intrs = qla24xx_disable_intrs,
1684 .abort_command = qla24xx_abort_command,
1685 .target_reset = qla24xx_abort_target,
1686 .lun_reset = qla24xx_lun_reset,
1687 .fabric_login = qla24xx_login_fabric,
1688 .fabric_logout = qla24xx_fabric_logout,
1689 .calc_req_entries = NULL,
1690 .build_iocbs = NULL,
1691 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1692 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1693 .read_nvram = qla24xx_read_nvram_data,
1694 .write_nvram = qla24xx_write_nvram_data,
1695 .fw_dump = qla24xx_fw_dump,
1696 .beacon_on = qla24xx_beacon_on,
1697 .beacon_off = qla24xx_beacon_off,
1698 .beacon_blink = qla24xx_beacon_blink,
1699 .read_optrom = qla24xx_read_optrom_data,
1700 .write_optrom = qla24xx_write_optrom_data,
1701 .get_flash_version = qla24xx_get_flash_version,
1702 .start_scsi = qla24xx_start_scsi,
1703 .abort_isp = qla2x00_abort_isp,
1704 .iospace_config = qla2x00_iospace_config,
1705 };
1706
1707 static struct isp_operations qla25xx_isp_ops = {
1708 .pci_config = qla25xx_pci_config,
1709 .reset_chip = qla24xx_reset_chip,
1710 .chip_diag = qla24xx_chip_diag,
1711 .config_rings = qla24xx_config_rings,
1712 .reset_adapter = qla24xx_reset_adapter,
1713 .nvram_config = qla24xx_nvram_config,
1714 .update_fw_options = qla24xx_update_fw_options,
1715 .load_risc = qla24xx_load_risc,
1716 .pci_info_str = qla24xx_pci_info_str,
1717 .fw_version_str = qla24xx_fw_version_str,
1718 .intr_handler = qla24xx_intr_handler,
1719 .enable_intrs = qla24xx_enable_intrs,
1720 .disable_intrs = qla24xx_disable_intrs,
1721 .abort_command = qla24xx_abort_command,
1722 .target_reset = qla24xx_abort_target,
1723 .lun_reset = qla24xx_lun_reset,
1724 .fabric_login = qla24xx_login_fabric,
1725 .fabric_logout = qla24xx_fabric_logout,
1726 .calc_req_entries = NULL,
1727 .build_iocbs = NULL,
1728 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1729 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1730 .read_nvram = qla25xx_read_nvram_data,
1731 .write_nvram = qla25xx_write_nvram_data,
1732 .fw_dump = qla25xx_fw_dump,
1733 .beacon_on = qla24xx_beacon_on,
1734 .beacon_off = qla24xx_beacon_off,
1735 .beacon_blink = qla24xx_beacon_blink,
1736 .read_optrom = qla25xx_read_optrom_data,
1737 .write_optrom = qla24xx_write_optrom_data,
1738 .get_flash_version = qla24xx_get_flash_version,
1739 .start_scsi = qla24xx_dif_start_scsi,
1740 .abort_isp = qla2x00_abort_isp,
1741 .iospace_config = qla2x00_iospace_config,
1742 };
1743
1744 static struct isp_operations qla81xx_isp_ops = {
1745 .pci_config = qla25xx_pci_config,
1746 .reset_chip = qla24xx_reset_chip,
1747 .chip_diag = qla24xx_chip_diag,
1748 .config_rings = qla24xx_config_rings,
1749 .reset_adapter = qla24xx_reset_adapter,
1750 .nvram_config = qla81xx_nvram_config,
1751 .update_fw_options = qla81xx_update_fw_options,
1752 .load_risc = qla81xx_load_risc,
1753 .pci_info_str = qla24xx_pci_info_str,
1754 .fw_version_str = qla24xx_fw_version_str,
1755 .intr_handler = qla24xx_intr_handler,
1756 .enable_intrs = qla24xx_enable_intrs,
1757 .disable_intrs = qla24xx_disable_intrs,
1758 .abort_command = qla24xx_abort_command,
1759 .target_reset = qla24xx_abort_target,
1760 .lun_reset = qla24xx_lun_reset,
1761 .fabric_login = qla24xx_login_fabric,
1762 .fabric_logout = qla24xx_fabric_logout,
1763 .calc_req_entries = NULL,
1764 .build_iocbs = NULL,
1765 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1766 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1767 .read_nvram = NULL,
1768 .write_nvram = NULL,
1769 .fw_dump = qla81xx_fw_dump,
1770 .beacon_on = qla24xx_beacon_on,
1771 .beacon_off = qla24xx_beacon_off,
1772 .beacon_blink = qla24xx_beacon_blink,
1773 .read_optrom = qla25xx_read_optrom_data,
1774 .write_optrom = qla24xx_write_optrom_data,
1775 .get_flash_version = qla24xx_get_flash_version,
1776 .start_scsi = qla24xx_dif_start_scsi,
1777 .abort_isp = qla2x00_abort_isp,
1778 .iospace_config = qla2x00_iospace_config,
1779 };
1780
1781 static struct isp_operations qla82xx_isp_ops = {
1782 .pci_config = qla82xx_pci_config,
1783 .reset_chip = qla82xx_reset_chip,
1784 .chip_diag = qla24xx_chip_diag,
1785 .config_rings = qla82xx_config_rings,
1786 .reset_adapter = qla24xx_reset_adapter,
1787 .nvram_config = qla81xx_nvram_config,
1788 .update_fw_options = qla24xx_update_fw_options,
1789 .load_risc = qla82xx_load_risc,
1790 .pci_info_str = qla82xx_pci_info_str,
1791 .fw_version_str = qla24xx_fw_version_str,
1792 .intr_handler = qla82xx_intr_handler,
1793 .enable_intrs = qla82xx_enable_intrs,
1794 .disable_intrs = qla82xx_disable_intrs,
1795 .abort_command = qla24xx_abort_command,
1796 .target_reset = qla24xx_abort_target,
1797 .lun_reset = qla24xx_lun_reset,
1798 .fabric_login = qla24xx_login_fabric,
1799 .fabric_logout = qla24xx_fabric_logout,
1800 .calc_req_entries = NULL,
1801 .build_iocbs = NULL,
1802 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1803 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1804 .read_nvram = qla24xx_read_nvram_data,
1805 .write_nvram = qla24xx_write_nvram_data,
1806 .fw_dump = qla24xx_fw_dump,
1807 .beacon_on = qla82xx_beacon_on,
1808 .beacon_off = qla82xx_beacon_off,
1809 .beacon_blink = NULL,
1810 .read_optrom = qla82xx_read_optrom_data,
1811 .write_optrom = qla82xx_write_optrom_data,
1812 .get_flash_version = qla24xx_get_flash_version,
1813 .start_scsi = qla82xx_start_scsi,
1814 .abort_isp = qla82xx_abort_isp,
1815 .iospace_config = qla82xx_iospace_config,
1816 };
1817
1818 static inline void
1819 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1820 {
1821 ha->device_type = DT_EXTENDED_IDS;
1822 switch (ha->pdev->device) {
1823 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1824 ha->device_type |= DT_ISP2100;
1825 ha->device_type &= ~DT_EXTENDED_IDS;
1826 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1827 break;
1828 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1829 ha->device_type |= DT_ISP2200;
1830 ha->device_type &= ~DT_EXTENDED_IDS;
1831 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1832 break;
1833 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1834 ha->device_type |= DT_ISP2300;
1835 ha->device_type |= DT_ZIO_SUPPORTED;
1836 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1837 break;
1838 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1839 ha->device_type |= DT_ISP2312;
1840 ha->device_type |= DT_ZIO_SUPPORTED;
1841 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1842 break;
1843 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1844 ha->device_type |= DT_ISP2322;
1845 ha->device_type |= DT_ZIO_SUPPORTED;
1846 if (ha->pdev->subsystem_vendor == 0x1028 &&
1847 ha->pdev->subsystem_device == 0x0170)
1848 ha->device_type |= DT_OEM_001;
1849 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1850 break;
1851 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1852 ha->device_type |= DT_ISP6312;
1853 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1854 break;
1855 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1856 ha->device_type |= DT_ISP6322;
1857 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1858 break;
1859 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1860 ha->device_type |= DT_ISP2422;
1861 ha->device_type |= DT_ZIO_SUPPORTED;
1862 ha->device_type |= DT_FWI2;
1863 ha->device_type |= DT_IIDMA;
1864 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1865 break;
1866 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1867 ha->device_type |= DT_ISP2432;
1868 ha->device_type |= DT_ZIO_SUPPORTED;
1869 ha->device_type |= DT_FWI2;
1870 ha->device_type |= DT_IIDMA;
1871 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1872 break;
1873 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1874 ha->device_type |= DT_ISP8432;
1875 ha->device_type |= DT_ZIO_SUPPORTED;
1876 ha->device_type |= DT_FWI2;
1877 ha->device_type |= DT_IIDMA;
1878 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1879 break;
1880 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1881 ha->device_type |= DT_ISP5422;
1882 ha->device_type |= DT_FWI2;
1883 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1884 break;
1885 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1886 ha->device_type |= DT_ISP5432;
1887 ha->device_type |= DT_FWI2;
1888 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1889 break;
1890 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1891 ha->device_type |= DT_ISP2532;
1892 ha->device_type |= DT_ZIO_SUPPORTED;
1893 ha->device_type |= DT_FWI2;
1894 ha->device_type |= DT_IIDMA;
1895 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1896 break;
1897 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1898 ha->device_type |= DT_ISP8001;
1899 ha->device_type |= DT_ZIO_SUPPORTED;
1900 ha->device_type |= DT_FWI2;
1901 ha->device_type |= DT_IIDMA;
1902 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1903 break;
1904 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1905 ha->device_type |= DT_ISP8021;
1906 ha->device_type |= DT_ZIO_SUPPORTED;
1907 ha->device_type |= DT_FWI2;
1908 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1909 /* Initialize 82XX ISP flags */
1910 qla82xx_init_flags(ha);
1911 break;
1912 }
1913
1914 if (IS_QLA82XX(ha))
1915 ha->port_no = !(ha->portnum & 1);
1916 else
1917 /* Get adapter physical port no from interrupt pin register. */
1918 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1919
1920 if (ha->port_no & 1)
1921 ha->flags.port0 = 1;
1922 else
1923 ha->flags.port0 = 0;
1924 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
1925 "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
1926 ha->device_type, ha->flags.port0, ha->fw_srisc_address);
1927 }
1928
1929 static void
1930 qla2xxx_scan_start(struct Scsi_Host *shost)
1931 {
1932 scsi_qla_host_t *vha = shost_priv(shost);
1933
1934 if (vha->hw->flags.running_gold_fw)
1935 return;
1936
1937 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1938 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1939 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1940 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1941 }
1942
1943 static int
1944 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1945 {
1946 scsi_qla_host_t *vha = shost_priv(shost);
1947
1948 if (!vha->host)
1949 return 1;
1950 if (time > vha->hw->loop_reset_delay * HZ)
1951 return 1;
1952
1953 return atomic_read(&vha->loop_state) == LOOP_READY;
1954 }
1955
1956 /*
1957 * PCI driver interface
1958 */
1959 static int __devinit
1960 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1961 {
1962 int ret = -ENODEV;
1963 struct Scsi_Host *host;
1964 scsi_qla_host_t *base_vha = NULL;
1965 struct qla_hw_data *ha;
1966 char pci_info[30];
1967 char fw_str[30];
1968 struct scsi_host_template *sht;
1969 int bars, max_id, mem_only = 0;
1970 uint16_t req_length = 0, rsp_length = 0;
1971 struct req_que *req = NULL;
1972 struct rsp_que *rsp = NULL;
1973
1974 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1975 sht = &qla2xxx_driver_template;
1976 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1977 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1978 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1979 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1980 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1981 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1982 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1983 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1984 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1985 mem_only = 1;
1986 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
1987 "Mem only adapter.\n");
1988 }
1989 ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
1990 "Bars=%d.\n", bars);
1991
1992 if (mem_only) {
1993 if (pci_enable_device_mem(pdev))
1994 goto probe_out;
1995 } else {
1996 if (pci_enable_device(pdev))
1997 goto probe_out;
1998 }
1999
2000 /* This may fail but that's ok */
2001 pci_enable_pcie_error_reporting(pdev);
2002
2003 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2004 if (!ha) {
2005 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2006 "Unable to allocate memory for ha.\n");
2007 goto probe_out;
2008 }
2009 ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2010 "Memory allocated for ha=%p.\n", ha);
2011 ha->pdev = pdev;
2012
2013 /* Clear our data area */
2014 ha->bars = bars;
2015 ha->mem_only = mem_only;
2016 spin_lock_init(&ha->hardware_lock);
2017 spin_lock_init(&ha->vport_slock);
2018
2019 /* Set ISP-type information. */
2020 qla2x00_set_isp_flags(ha);
2021
2022 /* Set EEH reset type to fundamental if required by hba */
2023 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2024 pdev->needs_freset = 1;
2025 }
2026
2027 ha->prev_topology = 0;
2028 ha->init_cb_size = sizeof(init_cb_t);
2029 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2030 ha->optrom_size = OPTROM_SIZE_2300;
2031
2032 /* Assign ISP specific operations. */
2033 max_id = MAX_TARGETS_2200;
2034 if (IS_QLA2100(ha)) {
2035 max_id = MAX_TARGETS_2100;
2036 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2037 req_length = REQUEST_ENTRY_CNT_2100;
2038 rsp_length = RESPONSE_ENTRY_CNT_2100;
2039 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2040 ha->gid_list_info_size = 4;
2041 ha->flash_conf_off = ~0;
2042 ha->flash_data_off = ~0;
2043 ha->nvram_conf_off = ~0;
2044 ha->nvram_data_off = ~0;
2045 ha->isp_ops = &qla2100_isp_ops;
2046 } else if (IS_QLA2200(ha)) {
2047 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2048 req_length = REQUEST_ENTRY_CNT_2200;
2049 rsp_length = RESPONSE_ENTRY_CNT_2100;
2050 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2051 ha->gid_list_info_size = 4;
2052 ha->flash_conf_off = ~0;
2053 ha->flash_data_off = ~0;
2054 ha->nvram_conf_off = ~0;
2055 ha->nvram_data_off = ~0;
2056 ha->isp_ops = &qla2100_isp_ops;
2057 } else if (IS_QLA23XX(ha)) {
2058 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059 req_length = REQUEST_ENTRY_CNT_2200;
2060 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062 ha->gid_list_info_size = 6;
2063 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2064 ha->optrom_size = OPTROM_SIZE_2322;
2065 ha->flash_conf_off = ~0;
2066 ha->flash_data_off = ~0;
2067 ha->nvram_conf_off = ~0;
2068 ha->nvram_data_off = ~0;
2069 ha->isp_ops = &qla2300_isp_ops;
2070 } else if (IS_QLA24XX_TYPE(ha)) {
2071 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2072 req_length = REQUEST_ENTRY_CNT_24XX;
2073 rsp_length = RESPONSE_ENTRY_CNT_2300;
2074 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2075 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2076 ha->gid_list_info_size = 8;
2077 ha->optrom_size = OPTROM_SIZE_24XX;
2078 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2079 ha->isp_ops = &qla24xx_isp_ops;
2080 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2081 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2082 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2083 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2084 } else if (IS_QLA25XX(ha)) {
2085 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2086 req_length = REQUEST_ENTRY_CNT_24XX;
2087 rsp_length = RESPONSE_ENTRY_CNT_2300;
2088 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2089 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2090 ha->gid_list_info_size = 8;
2091 ha->optrom_size = OPTROM_SIZE_25XX;
2092 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2093 ha->isp_ops = &qla25xx_isp_ops;
2094 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2095 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2096 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2097 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2098 } else if (IS_QLA81XX(ha)) {
2099 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2100 req_length = REQUEST_ENTRY_CNT_24XX;
2101 rsp_length = RESPONSE_ENTRY_CNT_2300;
2102 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2103 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2104 ha->gid_list_info_size = 8;
2105 ha->optrom_size = OPTROM_SIZE_81XX;
2106 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2107 ha->isp_ops = &qla81xx_isp_ops;
2108 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2109 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2110 ha->nvram_conf_off = ~0;
2111 ha->nvram_data_off = ~0;
2112 } else if (IS_QLA82XX(ha)) {
2113 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2114 req_length = REQUEST_ENTRY_CNT_82XX;
2115 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2116 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2117 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2118 ha->gid_list_info_size = 8;
2119 ha->optrom_size = OPTROM_SIZE_82XX;
2120 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2121 ha->isp_ops = &qla82xx_isp_ops;
2122 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2123 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2124 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2125 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2126 }
2127 ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2128 "mbx_count=%d, req_length=%d, "
2129 "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2130 "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n",
2131 ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2132 ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2133 ha->nvram_npiv_size);
2134 ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2135 "isp_ops=%p, flash_conf_off=%d, "
2136 "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2137 ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2138 ha->nvram_conf_off, ha->nvram_data_off);
2139
2140 /* Configure PCI I/O space */
2141 ret = ha->isp_ops->iospace_config(ha);
2142 if (ret)
2143 goto probe_hw_failed;
2144
2145 ql_log_pci(ql_log_info, pdev, 0x001d,
2146 "Found an ISP%04X irq %d iobase 0x%p.\n",
2147 pdev->device, pdev->irq, ha->iobase);
2148 mutex_init(&ha->vport_lock);
2149 init_completion(&ha->mbx_cmd_comp);
2150 complete(&ha->mbx_cmd_comp);
2151 init_completion(&ha->mbx_intr_comp);
2152 init_completion(&ha->dcbx_comp);
2153
2154 set_bit(0, (unsigned long *) ha->vp_idx_map);
2155
2156 qla2x00_config_dma_addressing(ha);
2157 ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2158 "64 Bit addressing is %s.\n",
2159 ha->flags.enable_64bit_addressing ? "enable" :
2160 "disable");
2161 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2162 if (!ret) {
2163 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2164 "Failed to allocate memory for adapter, aborting.\n");
2165
2166 goto probe_hw_failed;
2167 }
2168
2169 req->max_q_depth = MAX_Q_DEPTH;
2170 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2171 req->max_q_depth = ql2xmaxqdepth;
2172
2173
2174 base_vha = qla2x00_create_host(sht, ha);
2175 if (!base_vha) {
2176 ret = -ENOMEM;
2177 qla2x00_mem_free(ha);
2178 qla2x00_free_req_que(ha, req);
2179 qla2x00_free_rsp_que(ha, rsp);
2180 goto probe_hw_failed;
2181 }
2182
2183 pci_set_drvdata(pdev, base_vha);
2184
2185 host = base_vha->host;
2186 base_vha->req = req;
2187 host->can_queue = req->length + 128;
2188 if (IS_QLA2XXX_MIDTYPE(ha))
2189 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2190 else
2191 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2192 base_vha->vp_idx;
2193
2194 /* Set the SG table size based on ISP type */
2195 if (!IS_FWI2_CAPABLE(ha)) {
2196 if (IS_QLA2100(ha))
2197 host->sg_tablesize = 32;
2198 } else {
2199 if (!IS_QLA82XX(ha))
2200 host->sg_tablesize = QLA_SG_ALL;
2201 }
2202 ql_dbg(ql_dbg_init, base_vha, 0x0032,
2203 "can_queue=%d, req=%p, "
2204 "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2205 host->can_queue, base_vha->req,
2206 base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2207 host->max_id = max_id;
2208 host->this_id = 255;
2209 host->cmd_per_lun = 3;
2210 host->unique_id = host->host_no;
2211 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2212 host->max_cmd_len = 32;
2213 else
2214 host->max_cmd_len = MAX_CMDSZ;
2215 host->max_channel = MAX_BUSES - 1;
2216 host->max_lun = ql2xmaxlun;
2217 host->transportt = qla2xxx_transport_template;
2218 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2219
2220 ql_dbg(ql_dbg_init, base_vha, 0x0033,
2221 "max_id=%d this_id=%d "
2222 "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2223 "max_lun=%d transportt=%p, vendor_id=%llu.\n", host->max_id,
2224 host->this_id, host->cmd_per_lun, host->unique_id,
2225 host->max_cmd_len, host->max_channel, host->max_lun,
2226 host->transportt, sht->vendor_id);
2227
2228 /* Set up the irqs */
2229 ret = qla2x00_request_irqs(ha, rsp);
2230 if (ret)
2231 goto probe_init_failed;
2232
2233 pci_save_state(pdev);
2234
2235 /* Alloc arrays of request and response ring ptrs */
2236 que_init:
2237 if (!qla2x00_alloc_queues(ha)) {
2238 ql_log(ql_log_fatal, base_vha, 0x003d,
2239 "Failed to allocate memory for queue pointers.. aborting.\n");
2240 goto probe_init_failed;
2241 }
2242
2243 ha->rsp_q_map[0] = rsp;
2244 ha->req_q_map[0] = req;
2245 rsp->req = req;
2246 req->rsp = rsp;
2247 set_bit(0, ha->req_qid_map);
2248 set_bit(0, ha->rsp_qid_map);
2249 /* FWI2-capable only. */
2250 req->req_q_in = &ha->iobase->isp24.req_q_in;
2251 req->req_q_out = &ha->iobase->isp24.req_q_out;
2252 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2253 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2254 if (ha->mqenable) {
2255 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2256 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2257 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2258 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2259 }
2260
2261 if (IS_QLA82XX(ha)) {
2262 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2263 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2264 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2265 }
2266
2267 ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2268 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2269 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2270 ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2271 "req->req_q_in=%p req->req_q_out=%p "
2272 "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2273 req->req_q_in, req->req_q_out,
2274 rsp->rsp_q_in, rsp->rsp_q_out);
2275 ql_dbg(ql_dbg_init, base_vha, 0x003e,
2276 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2277 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2278 ql_dbg(ql_dbg_init, base_vha, 0x003f,
2279 "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2280 req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2281
2282 if (qla2x00_initialize_adapter(base_vha)) {
2283 ql_log(ql_log_fatal, base_vha, 0x00d6,
2284 "Failed to initialize adapter - Adapter flags %x.\n",
2285 base_vha->device_flags);
2286
2287 if (IS_QLA82XX(ha)) {
2288 qla82xx_idc_lock(ha);
2289 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2290 QLA82XX_DEV_FAILED);
2291 qla82xx_idc_unlock(ha);
2292 ql_log(ql_log_fatal, base_vha, 0x00d7,
2293 "HW State: FAILED.\n");
2294 }
2295
2296 ret = -ENODEV;
2297 goto probe_failed;
2298 }
2299
2300 if (ha->mqenable) {
2301 if (qla25xx_setup_mode(base_vha)) {
2302 ql_log(ql_log_warn, base_vha, 0x00ec,
2303 "Failed to create queues, falling back to single queue mode.\n");
2304 goto que_init;
2305 }
2306 }
2307
2308 if (ha->flags.running_gold_fw)
2309 goto skip_dpc;
2310
2311 /*
2312 * Startup the kernel thread for this host adapter
2313 */
2314 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2315 "%s_dpc", base_vha->host_str);
2316 if (IS_ERR(ha->dpc_thread)) {
2317 ql_log(ql_log_fatal, base_vha, 0x00ed,
2318 "Failed to start DPC thread.\n");
2319 ret = PTR_ERR(ha->dpc_thread);
2320 goto probe_failed;
2321 }
2322 ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2323 "DPC thread started successfully.\n");
2324
2325 skip_dpc:
2326 list_add_tail(&base_vha->list, &ha->vp_list);
2327 base_vha->host->irq = ha->pdev->irq;
2328
2329 /* Initialized the timer */
2330 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2331 ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2332 "Started qla2x00_timer with "
2333 "interval=%d.\n", WATCH_INTERVAL);
2334 ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2335 "Detected hba at address=%p.\n",
2336 ha);
2337
2338 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2339 if (ha->fw_attributes & BIT_4) {
2340 int prot = 0;
2341 base_vha->flags.difdix_supported = 1;
2342 ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2343 "Registering for DIF/DIX type 1 and 3 protection.\n");
2344 if (ql2xenabledif == 1)
2345 prot = SHOST_DIX_TYPE0_PROTECTION;
2346 scsi_host_set_prot(host,
2347 prot | SHOST_DIF_TYPE1_PROTECTION
2348 | SHOST_DIF_TYPE2_PROTECTION
2349 | SHOST_DIF_TYPE3_PROTECTION
2350 | SHOST_DIX_TYPE1_PROTECTION
2351 | SHOST_DIX_TYPE2_PROTECTION
2352 | SHOST_DIX_TYPE3_PROTECTION);
2353 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2354 } else
2355 base_vha->flags.difdix_supported = 0;
2356 }
2357
2358 ha->isp_ops->enable_intrs(ha);
2359
2360 ret = scsi_add_host(host, &pdev->dev);
2361 if (ret)
2362 goto probe_failed;
2363
2364 base_vha->flags.init_done = 1;
2365 base_vha->flags.online = 1;
2366
2367 ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2368 "Init done and hba is online.\n");
2369
2370 scsi_scan_host(host);
2371
2372 qla2x00_alloc_sysfs_attr(base_vha);
2373
2374 qla2x00_init_host_attr(base_vha);
2375
2376 qla2x00_dfs_setup(base_vha);
2377
2378 ql_log(ql_log_info, base_vha, 0x00fb,
2379 "QLogic %s - %s.\n",
2380 ha->model_number, ha->model_desc ? ha->model_desc : "");
2381 ql_log(ql_log_info, base_vha, 0x00fc,
2382 "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2383 pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2384 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2385 base_vha->host_no,
2386 ha->isp_ops->fw_version_str(base_vha, fw_str));
2387
2388 return 0;
2389
2390 probe_init_failed:
2391 qla2x00_free_req_que(ha, req);
2392 qla2x00_free_rsp_que(ha, rsp);
2393 ha->max_req_queues = ha->max_rsp_queues = 0;
2394
2395 probe_failed:
2396 if (base_vha->timer_active)
2397 qla2x00_stop_timer(base_vha);
2398 base_vha->flags.online = 0;
2399 if (ha->dpc_thread) {
2400 struct task_struct *t = ha->dpc_thread;
2401
2402 ha->dpc_thread = NULL;
2403 kthread_stop(t);
2404 }
2405
2406 qla2x00_free_device(base_vha);
2407
2408 scsi_host_put(base_vha->host);
2409
2410 probe_hw_failed:
2411 if (IS_QLA82XX(ha)) {
2412 qla82xx_idc_lock(ha);
2413 qla82xx_clear_drv_active(ha);
2414 qla82xx_idc_unlock(ha);
2415 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2416 if (!ql2xdbwr)
2417 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2418 } else {
2419 if (ha->iobase)
2420 iounmap(ha->iobase);
2421 }
2422 pci_release_selected_regions(ha->pdev, ha->bars);
2423 kfree(ha);
2424 ha = NULL;
2425
2426 probe_out:
2427 pci_disable_device(pdev);
2428 return ret;
2429 }
2430
2431 static void
2432 qla2x00_shutdown(struct pci_dev *pdev)
2433 {
2434 scsi_qla_host_t *vha;
2435 struct qla_hw_data *ha;
2436
2437 vha = pci_get_drvdata(pdev);
2438 ha = vha->hw;
2439
2440 /* Turn-off FCE trace */
2441 if (ha->flags.fce_enabled) {
2442 qla2x00_disable_fce_trace(vha, NULL, NULL);
2443 ha->flags.fce_enabled = 0;
2444 }
2445
2446 /* Turn-off EFT trace */
2447 if (ha->eft)
2448 qla2x00_disable_eft_trace(vha);
2449
2450 /* Stop currently executing firmware. */
2451 qla2x00_try_to_stop_firmware(vha);
2452
2453 /* Turn adapter off line */
2454 vha->flags.online = 0;
2455
2456 /* turn-off interrupts on the card */
2457 if (ha->interrupts_on) {
2458 vha->flags.init_done = 0;
2459 ha->isp_ops->disable_intrs(ha);
2460 }
2461
2462 qla2x00_free_irqs(vha);
2463
2464 qla2x00_free_fw_dump(ha);
2465 }
2466
2467 static void
2468 qla2x00_remove_one(struct pci_dev *pdev)
2469 {
2470 scsi_qla_host_t *base_vha, *vha;
2471 struct qla_hw_data *ha;
2472 unsigned long flags;
2473
2474 base_vha = pci_get_drvdata(pdev);
2475 ha = base_vha->hw;
2476
2477 mutex_lock(&ha->vport_lock);
2478 while (ha->cur_vport_count) {
2479 struct Scsi_Host *scsi_host;
2480
2481 spin_lock_irqsave(&ha->vport_slock, flags);
2482
2483 BUG_ON(base_vha->list.next == &ha->vp_list);
2484 /* This assumes first entry in ha->vp_list is always base vha */
2485 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2486 scsi_host = scsi_host_get(vha->host);
2487
2488 spin_unlock_irqrestore(&ha->vport_slock, flags);
2489 mutex_unlock(&ha->vport_lock);
2490
2491 fc_vport_terminate(vha->fc_vport);
2492 scsi_host_put(vha->host);
2493
2494 mutex_lock(&ha->vport_lock);
2495 }
2496 mutex_unlock(&ha->vport_lock);
2497
2498 set_bit(UNLOADING, &base_vha->dpc_flags);
2499
2500 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2501
2502 qla2x00_dfs_remove(base_vha);
2503
2504 qla84xx_put_chip(base_vha);
2505
2506 /* Disable timer */
2507 if (base_vha->timer_active)
2508 qla2x00_stop_timer(base_vha);
2509
2510 base_vha->flags.online = 0;
2511
2512 /* Flush the work queue and remove it */
2513 if (ha->wq) {
2514 flush_workqueue(ha->wq);
2515 destroy_workqueue(ha->wq);
2516 ha->wq = NULL;
2517 }
2518
2519 /* Kill the kernel thread for this host */
2520 if (ha->dpc_thread) {
2521 struct task_struct *t = ha->dpc_thread;
2522
2523 /*
2524 * qla2xxx_wake_dpc checks for ->dpc_thread
2525 * so we need to zero it out.
2526 */
2527 ha->dpc_thread = NULL;
2528 kthread_stop(t);
2529 }
2530
2531 qla2x00_free_sysfs_attr(base_vha);
2532
2533 fc_remove_host(base_vha->host);
2534
2535 scsi_remove_host(base_vha->host);
2536
2537 qla2x00_free_device(base_vha);
2538
2539 scsi_host_put(base_vha->host);
2540
2541 if (IS_QLA82XX(ha)) {
2542 qla82xx_idc_lock(ha);
2543 qla82xx_clear_drv_active(ha);
2544 qla82xx_idc_unlock(ha);
2545
2546 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2547 if (!ql2xdbwr)
2548 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2549 } else {
2550 if (ha->iobase)
2551 iounmap(ha->iobase);
2552
2553 if (ha->mqiobase)
2554 iounmap(ha->mqiobase);
2555 }
2556
2557 pci_release_selected_regions(ha->pdev, ha->bars);
2558 kfree(ha);
2559 ha = NULL;
2560
2561 pci_disable_pcie_error_reporting(pdev);
2562
2563 pci_disable_device(pdev);
2564 pci_set_drvdata(pdev, NULL);
2565 }
2566
2567 static void
2568 qla2x00_free_device(scsi_qla_host_t *vha)
2569 {
2570 struct qla_hw_data *ha = vha->hw;
2571
2572 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2573
2574 /* Disable timer */
2575 if (vha->timer_active)
2576 qla2x00_stop_timer(vha);
2577
2578 /* Kill the kernel thread for this host */
2579 if (ha->dpc_thread) {
2580 struct task_struct *t = ha->dpc_thread;
2581
2582 /*
2583 * qla2xxx_wake_dpc checks for ->dpc_thread
2584 * so we need to zero it out.
2585 */
2586 ha->dpc_thread = NULL;
2587 kthread_stop(t);
2588 }
2589
2590 qla25xx_delete_queues(vha);
2591
2592 if (ha->flags.fce_enabled)
2593 qla2x00_disable_fce_trace(vha, NULL, NULL);
2594
2595 if (ha->eft)
2596 qla2x00_disable_eft_trace(vha);
2597
2598 /* Stop currently executing firmware. */
2599 qla2x00_try_to_stop_firmware(vha);
2600
2601 vha->flags.online = 0;
2602
2603 /* turn-off interrupts on the card */
2604 if (ha->interrupts_on) {
2605 vha->flags.init_done = 0;
2606 ha->isp_ops->disable_intrs(ha);
2607 }
2608
2609 qla2x00_free_irqs(vha);
2610
2611 qla2x00_free_fcports(vha);
2612
2613 qla2x00_mem_free(ha);
2614
2615 qla82xx_md_free(vha);
2616
2617 qla2x00_free_queues(ha);
2618 }
2619
2620 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2621 {
2622 fc_port_t *fcport, *tfcport;
2623
2624 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2625 list_del(&fcport->list);
2626 kfree(fcport);
2627 fcport = NULL;
2628 }
2629 }
2630
2631 static inline void
2632 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2633 int defer)
2634 {
2635 struct fc_rport *rport;
2636 scsi_qla_host_t *base_vha;
2637 unsigned long flags;
2638
2639 if (!fcport->rport)
2640 return;
2641
2642 rport = fcport->rport;
2643 if (defer) {
2644 base_vha = pci_get_drvdata(vha->hw->pdev);
2645 spin_lock_irqsave(vha->host->host_lock, flags);
2646 fcport->drport = rport;
2647 spin_unlock_irqrestore(vha->host->host_lock, flags);
2648 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2649 qla2xxx_wake_dpc(base_vha);
2650 } else
2651 fc_remote_port_delete(rport);
2652 }
2653
2654 /*
2655 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2656 *
2657 * Input: ha = adapter block pointer. fcport = port structure pointer.
2658 *
2659 * Return: None.
2660 *
2661 * Context:
2662 */
2663 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2664 int do_login, int defer)
2665 {
2666 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2667 vha->vp_idx == fcport->vp_idx) {
2668 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2669 qla2x00_schedule_rport_del(vha, fcport, defer);
2670 }
2671 /*
2672 * We may need to retry the login, so don't change the state of the
2673 * port but do the retries.
2674 */
2675 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2676 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2677
2678 if (!do_login)
2679 return;
2680
2681 if (fcport->login_retry == 0) {
2682 fcport->login_retry = vha->hw->login_retry_count;
2683 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2684
2685 ql_dbg(ql_dbg_disc, vha, 0x2067,
2686 "Port login retry "
2687 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2688 "id = 0x%04x retry cnt=%d.\n",
2689 fcport->port_name[0], fcport->port_name[1],
2690 fcport->port_name[2], fcport->port_name[3],
2691 fcport->port_name[4], fcport->port_name[5],
2692 fcport->port_name[6], fcport->port_name[7],
2693 fcport->loop_id, fcport->login_retry);
2694 }
2695 }
2696
2697 /*
2698 * qla2x00_mark_all_devices_lost
2699 * Updates fcport state when device goes offline.
2700 *
2701 * Input:
2702 * ha = adapter block pointer.
2703 * fcport = port structure pointer.
2704 *
2705 * Return:
2706 * None.
2707 *
2708 * Context:
2709 */
2710 void
2711 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2712 {
2713 fc_port_t *fcport;
2714
2715 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2716 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2717 continue;
2718
2719 /*
2720 * No point in marking the device as lost, if the device is
2721 * already DEAD.
2722 */
2723 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2724 continue;
2725 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2726 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2727 if (defer)
2728 qla2x00_schedule_rport_del(vha, fcport, defer);
2729 else if (vha->vp_idx == fcport->vp_idx)
2730 qla2x00_schedule_rport_del(vha, fcport, defer);
2731 }
2732 }
2733 }
2734
2735 /*
2736 * qla2x00_mem_alloc
2737 * Allocates adapter memory.
2738 *
2739 * Returns:
2740 * 0 = success.
2741 * !0 = failure.
2742 */
2743 static int
2744 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2745 struct req_que **req, struct rsp_que **rsp)
2746 {
2747 char name[16];
2748
2749 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2750 &ha->init_cb_dma, GFP_KERNEL);
2751 if (!ha->init_cb)
2752 goto fail;
2753
2754 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2755 &ha->gid_list_dma, GFP_KERNEL);
2756 if (!ha->gid_list)
2757 goto fail_free_init_cb;
2758
2759 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2760 if (!ha->srb_mempool)
2761 goto fail_free_gid_list;
2762
2763 if (IS_QLA82XX(ha)) {
2764 /* Allocate cache for CT6 Ctx. */
2765 if (!ctx_cachep) {
2766 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2767 sizeof(struct ct6_dsd), 0,
2768 SLAB_HWCACHE_ALIGN, NULL);
2769 if (!ctx_cachep)
2770 goto fail_free_gid_list;
2771 }
2772 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2773 ctx_cachep);
2774 if (!ha->ctx_mempool)
2775 goto fail_free_srb_mempool;
2776 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2777 "ctx_cachep=%p ctx_mempool=%p.\n",
2778 ctx_cachep, ha->ctx_mempool);
2779 }
2780
2781 /* Get memory for cached NVRAM */
2782 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2783 if (!ha->nvram)
2784 goto fail_free_ctx_mempool;
2785
2786 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2787 ha->pdev->device);
2788 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2789 DMA_POOL_SIZE, 8, 0);
2790 if (!ha->s_dma_pool)
2791 goto fail_free_nvram;
2792
2793 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2794 "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2795 ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2796
2797 if (IS_QLA82XX(ha) || ql2xenabledif) {
2798 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2799 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2800 if (!ha->dl_dma_pool) {
2801 ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2802 "Failed to allocate memory for dl_dma_pool.\n");
2803 goto fail_s_dma_pool;
2804 }
2805
2806 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2807 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2808 if (!ha->fcp_cmnd_dma_pool) {
2809 ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
2810 "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
2811 goto fail_dl_dma_pool;
2812 }
2813 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
2814 "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
2815 ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
2816 }
2817
2818 /* Allocate memory for SNS commands */
2819 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2820 /* Get consistent memory allocated for SNS commands */
2821 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2822 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2823 if (!ha->sns_cmd)
2824 goto fail_dma_pool;
2825 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
2826 "sns_cmd: %p.\n", ha->sns_cmd);
2827 } else {
2828 /* Get consistent memory allocated for MS IOCB */
2829 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2830 &ha->ms_iocb_dma);
2831 if (!ha->ms_iocb)
2832 goto fail_dma_pool;
2833 /* Get consistent memory allocated for CT SNS commands */
2834 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2835 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2836 if (!ha->ct_sns)
2837 goto fail_free_ms_iocb;
2838 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
2839 "ms_iocb=%p ct_sns=%p.\n",
2840 ha->ms_iocb, ha->ct_sns);
2841 }
2842
2843 /* Allocate memory for request ring */
2844 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2845 if (!*req) {
2846 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
2847 "Failed to allocate memory for req.\n");
2848 goto fail_req;
2849 }
2850 (*req)->length = req_len;
2851 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2852 ((*req)->length + 1) * sizeof(request_t),
2853 &(*req)->dma, GFP_KERNEL);
2854 if (!(*req)->ring) {
2855 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
2856 "Failed to allocate memory for req_ring.\n");
2857 goto fail_req_ring;
2858 }
2859 /* Allocate memory for response ring */
2860 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2861 if (!*rsp) {
2862 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
2863 "Failed to allocate memory for rsp.\n");
2864 goto fail_rsp;
2865 }
2866 (*rsp)->hw = ha;
2867 (*rsp)->length = rsp_len;
2868 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2869 ((*rsp)->length + 1) * sizeof(response_t),
2870 &(*rsp)->dma, GFP_KERNEL);
2871 if (!(*rsp)->ring) {
2872 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
2873 "Failed to allocate memory for rsp_ring.\n");
2874 goto fail_rsp_ring;
2875 }
2876 (*req)->rsp = *rsp;
2877 (*rsp)->req = *req;
2878 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
2879 "req=%p req->length=%d req->ring=%p rsp=%p "
2880 "rsp->length=%d rsp->ring=%p.\n",
2881 *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
2882 (*rsp)->ring);
2883 /* Allocate memory for NVRAM data for vports */
2884 if (ha->nvram_npiv_size) {
2885 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2886 ha->nvram_npiv_size, GFP_KERNEL);
2887 if (!ha->npiv_info) {
2888 ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
2889 "Failed to allocate memory for npiv_info.\n");
2890 goto fail_npiv_info;
2891 }
2892 } else
2893 ha->npiv_info = NULL;
2894
2895 /* Get consistent memory allocated for EX-INIT-CB. */
2896 if (IS_QLA8XXX_TYPE(ha)) {
2897 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2898 &ha->ex_init_cb_dma);
2899 if (!ha->ex_init_cb)
2900 goto fail_ex_init_cb;
2901 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
2902 "ex_init_cb=%p.\n", ha->ex_init_cb);
2903 }
2904
2905 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2906
2907 /* Get consistent memory allocated for Async Port-Database. */
2908 if (!IS_FWI2_CAPABLE(ha)) {
2909 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2910 &ha->async_pd_dma);
2911 if (!ha->async_pd)
2912 goto fail_async_pd;
2913 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
2914 "async_pd=%p.\n", ha->async_pd);
2915 }
2916
2917 INIT_LIST_HEAD(&ha->vp_list);
2918 return 1;
2919
2920 fail_async_pd:
2921 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2922 fail_ex_init_cb:
2923 kfree(ha->npiv_info);
2924 fail_npiv_info:
2925 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2926 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2927 (*rsp)->ring = NULL;
2928 (*rsp)->dma = 0;
2929 fail_rsp_ring:
2930 kfree(*rsp);
2931 fail_rsp:
2932 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2933 sizeof(request_t), (*req)->ring, (*req)->dma);
2934 (*req)->ring = NULL;
2935 (*req)->dma = 0;
2936 fail_req_ring:
2937 kfree(*req);
2938 fail_req:
2939 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2940 ha->ct_sns, ha->ct_sns_dma);
2941 ha->ct_sns = NULL;
2942 ha->ct_sns_dma = 0;
2943 fail_free_ms_iocb:
2944 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2945 ha->ms_iocb = NULL;
2946 ha->ms_iocb_dma = 0;
2947 fail_dma_pool:
2948 if (IS_QLA82XX(ha) || ql2xenabledif) {
2949 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2950 ha->fcp_cmnd_dma_pool = NULL;
2951 }
2952 fail_dl_dma_pool:
2953 if (IS_QLA82XX(ha) || ql2xenabledif) {
2954 dma_pool_destroy(ha->dl_dma_pool);
2955 ha->dl_dma_pool = NULL;
2956 }
2957 fail_s_dma_pool:
2958 dma_pool_destroy(ha->s_dma_pool);
2959 ha->s_dma_pool = NULL;
2960 fail_free_nvram:
2961 kfree(ha->nvram);
2962 ha->nvram = NULL;
2963 fail_free_ctx_mempool:
2964 mempool_destroy(ha->ctx_mempool);
2965 ha->ctx_mempool = NULL;
2966 fail_free_srb_mempool:
2967 mempool_destroy(ha->srb_mempool);
2968 ha->srb_mempool = NULL;
2969 fail_free_gid_list:
2970 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2971 ha->gid_list_dma);
2972 ha->gid_list = NULL;
2973 ha->gid_list_dma = 0;
2974 fail_free_init_cb:
2975 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2976 ha->init_cb_dma);
2977 ha->init_cb = NULL;
2978 ha->init_cb_dma = 0;
2979 fail:
2980 ql_log(ql_log_fatal, NULL, 0x0030,
2981 "Memory allocation failure.\n");
2982 return -ENOMEM;
2983 }
2984
2985 /*
2986 * qla2x00_free_fw_dump
2987 * Frees fw dump stuff.
2988 *
2989 * Input:
2990 * ha = adapter block pointer.
2991 */
2992 static void
2993 qla2x00_free_fw_dump(struct qla_hw_data *ha)
2994 {
2995 if (ha->fce)
2996 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2997 ha->fce_dma);
2998
2999 if (ha->fw_dump) {
3000 if (ha->eft)
3001 dma_free_coherent(&ha->pdev->dev,
3002 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3003 vfree(ha->fw_dump);
3004 }
3005 ha->fce = NULL;
3006 ha->fce_dma = 0;
3007 ha->eft = NULL;
3008 ha->eft_dma = 0;
3009 ha->fw_dump = NULL;
3010 ha->fw_dumped = 0;
3011 ha->fw_dump_reading = 0;
3012 }
3013
3014 /*
3015 * qla2x00_mem_free
3016 * Frees all adapter allocated memory.
3017 *
3018 * Input:
3019 * ha = adapter block pointer.
3020 */
3021 static void
3022 qla2x00_mem_free(struct qla_hw_data *ha)
3023 {
3024 qla2x00_free_fw_dump(ha);
3025
3026 if (ha->srb_mempool)
3027 mempool_destroy(ha->srb_mempool);
3028
3029 if (ha->dcbx_tlv)
3030 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3031 ha->dcbx_tlv, ha->dcbx_tlv_dma);
3032
3033 if (ha->xgmac_data)
3034 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3035 ha->xgmac_data, ha->xgmac_data_dma);
3036
3037 if (ha->sns_cmd)
3038 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3039 ha->sns_cmd, ha->sns_cmd_dma);
3040
3041 if (ha->ct_sns)
3042 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3043 ha->ct_sns, ha->ct_sns_dma);
3044
3045 if (ha->sfp_data)
3046 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3047
3048 if (ha->edc_data)
3049 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
3050
3051 if (ha->ms_iocb)
3052 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3053
3054 if (ha->ex_init_cb)
3055 dma_pool_free(ha->s_dma_pool,
3056 ha->ex_init_cb, ha->ex_init_cb_dma);
3057
3058 if (ha->async_pd)
3059 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3060
3061 if (ha->s_dma_pool)
3062 dma_pool_destroy(ha->s_dma_pool);
3063
3064 if (ha->gid_list)
3065 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
3066 ha->gid_list_dma);
3067
3068 if (IS_QLA82XX(ha)) {
3069 if (!list_empty(&ha->gbl_dsd_list)) {
3070 struct dsd_dma *dsd_ptr, *tdsd_ptr;
3071
3072 /* clean up allocated prev pool */
3073 list_for_each_entry_safe(dsd_ptr,
3074 tdsd_ptr, &ha->gbl_dsd_list, list) {
3075 dma_pool_free(ha->dl_dma_pool,
3076 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3077 list_del(&dsd_ptr->list);
3078 kfree(dsd_ptr);
3079 }
3080 }
3081 }
3082
3083 if (ha->dl_dma_pool)
3084 dma_pool_destroy(ha->dl_dma_pool);
3085
3086 if (ha->fcp_cmnd_dma_pool)
3087 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3088
3089 if (ha->ctx_mempool)
3090 mempool_destroy(ha->ctx_mempool);
3091
3092 if (ha->init_cb)
3093 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3094 ha->init_cb, ha->init_cb_dma);
3095 vfree(ha->optrom_buffer);
3096 kfree(ha->nvram);
3097 kfree(ha->npiv_info);
3098
3099 ha->srb_mempool = NULL;
3100 ha->ctx_mempool = NULL;
3101 ha->sns_cmd = NULL;
3102 ha->sns_cmd_dma = 0;
3103 ha->ct_sns = NULL;
3104 ha->ct_sns_dma = 0;
3105 ha->ms_iocb = NULL;
3106 ha->ms_iocb_dma = 0;
3107 ha->init_cb = NULL;
3108 ha->init_cb_dma = 0;
3109 ha->ex_init_cb = NULL;
3110 ha->ex_init_cb_dma = 0;
3111 ha->async_pd = NULL;
3112 ha->async_pd_dma = 0;
3113
3114 ha->s_dma_pool = NULL;
3115 ha->dl_dma_pool = NULL;
3116 ha->fcp_cmnd_dma_pool = NULL;
3117
3118 ha->gid_list = NULL;
3119 ha->gid_list_dma = 0;
3120 }
3121
3122 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3123 struct qla_hw_data *ha)
3124 {
3125 struct Scsi_Host *host;
3126 struct scsi_qla_host *vha = NULL;
3127
3128 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3129 if (host == NULL) {
3130 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3131 "Failed to allocate host from the scsi layer, aborting.\n");
3132 goto fail;
3133 }
3134
3135 /* Clear our data area */
3136 vha = shost_priv(host);
3137 memset(vha, 0, sizeof(scsi_qla_host_t));
3138
3139 vha->host = host;
3140 vha->host_no = host->host_no;
3141 vha->hw = ha;
3142
3143 INIT_LIST_HEAD(&vha->vp_fcports);
3144 INIT_LIST_HEAD(&vha->work_list);
3145 INIT_LIST_HEAD(&vha->list);
3146
3147 spin_lock_init(&vha->work_lock);
3148
3149 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3150 ql_dbg(ql_dbg_init, vha, 0x0041,
3151 "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3152 vha->host, vha->hw, vha,
3153 dev_name(&(ha->pdev->dev)));
3154
3155 return vha;
3156
3157 fail:
3158 return vha;
3159 }
3160
3161 static struct qla_work_evt *
3162 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3163 {
3164 struct qla_work_evt *e;
3165 uint8_t bail;
3166
3167 QLA_VHA_MARK_BUSY(vha, bail);
3168 if (bail)
3169 return NULL;
3170
3171 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3172 if (!e) {
3173 QLA_VHA_MARK_NOT_BUSY(vha);
3174 return NULL;
3175 }
3176
3177 INIT_LIST_HEAD(&e->list);
3178 e->type = type;
3179 e->flags = QLA_EVT_FLAG_FREE;
3180 return e;
3181 }
3182
3183 static int
3184 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3185 {
3186 unsigned long flags;
3187
3188 spin_lock_irqsave(&vha->work_lock, flags);
3189 list_add_tail(&e->list, &vha->work_list);
3190 spin_unlock_irqrestore(&vha->work_lock, flags);
3191 qla2xxx_wake_dpc(vha);
3192
3193 return QLA_SUCCESS;
3194 }
3195
3196 int
3197 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3198 u32 data)
3199 {
3200 struct qla_work_evt *e;
3201
3202 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3203 if (!e)
3204 return QLA_FUNCTION_FAILED;
3205
3206 e->u.aen.code = code;
3207 e->u.aen.data = data;
3208 return qla2x00_post_work(vha, e);
3209 }
3210
3211 int
3212 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3213 {
3214 struct qla_work_evt *e;
3215
3216 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3217 if (!e)
3218 return QLA_FUNCTION_FAILED;
3219
3220 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3221 return qla2x00_post_work(vha, e);
3222 }
3223
3224 #define qla2x00_post_async_work(name, type) \
3225 int qla2x00_post_async_##name##_work( \
3226 struct scsi_qla_host *vha, \
3227 fc_port_t *fcport, uint16_t *data) \
3228 { \
3229 struct qla_work_evt *e; \
3230 \
3231 e = qla2x00_alloc_work(vha, type); \
3232 if (!e) \
3233 return QLA_FUNCTION_FAILED; \
3234 \
3235 e->u.logio.fcport = fcport; \
3236 if (data) { \
3237 e->u.logio.data[0] = data[0]; \
3238 e->u.logio.data[1] = data[1]; \
3239 } \
3240 return qla2x00_post_work(vha, e); \
3241 }
3242
3243 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3244 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3245 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3246 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3247 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3248 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3249
3250 int
3251 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3252 {
3253 struct qla_work_evt *e;
3254
3255 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3256 if (!e)
3257 return QLA_FUNCTION_FAILED;
3258
3259 e->u.uevent.code = code;
3260 return qla2x00_post_work(vha, e);
3261 }
3262
3263 static void
3264 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3265 {
3266 char event_string[40];
3267 char *envp[] = { event_string, NULL };
3268
3269 switch (code) {
3270 case QLA_UEVENT_CODE_FW_DUMP:
3271 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3272 vha->host_no);
3273 break;
3274 default:
3275 /* do nothing */
3276 break;
3277 }
3278 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3279 }
3280
3281 void
3282 qla2x00_do_work(struct scsi_qla_host *vha)
3283 {
3284 struct qla_work_evt *e, *tmp;
3285 unsigned long flags;
3286 LIST_HEAD(work);
3287
3288 spin_lock_irqsave(&vha->work_lock, flags);
3289 list_splice_init(&vha->work_list, &work);
3290 spin_unlock_irqrestore(&vha->work_lock, flags);
3291
3292 list_for_each_entry_safe(e, tmp, &work, list) {
3293 list_del_init(&e->list);
3294
3295 switch (e->type) {
3296 case QLA_EVT_AEN:
3297 fc_host_post_event(vha->host, fc_get_event_number(),
3298 e->u.aen.code, e->u.aen.data);
3299 break;
3300 case QLA_EVT_IDC_ACK:
3301 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3302 break;
3303 case QLA_EVT_ASYNC_LOGIN:
3304 qla2x00_async_login(vha, e->u.logio.fcport,
3305 e->u.logio.data);
3306 break;
3307 case QLA_EVT_ASYNC_LOGIN_DONE:
3308 qla2x00_async_login_done(vha, e->u.logio.fcport,
3309 e->u.logio.data);
3310 break;
3311 case QLA_EVT_ASYNC_LOGOUT:
3312 qla2x00_async_logout(vha, e->u.logio.fcport);
3313 break;
3314 case QLA_EVT_ASYNC_LOGOUT_DONE:
3315 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3316 e->u.logio.data);
3317 break;
3318 case QLA_EVT_ASYNC_ADISC:
3319 qla2x00_async_adisc(vha, e->u.logio.fcport,
3320 e->u.logio.data);
3321 break;
3322 case QLA_EVT_ASYNC_ADISC_DONE:
3323 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3324 e->u.logio.data);
3325 break;
3326 case QLA_EVT_UEVENT:
3327 qla2x00_uevent_emit(vha, e->u.uevent.code);
3328 break;
3329 }
3330 if (e->flags & QLA_EVT_FLAG_FREE)
3331 kfree(e);
3332
3333 /* For each work completed decrement vha ref count */
3334 QLA_VHA_MARK_NOT_BUSY(vha);
3335 }
3336 }
3337
3338 /* Relogins all the fcports of a vport
3339 * Context: dpc thread
3340 */
3341 void qla2x00_relogin(struct scsi_qla_host *vha)
3342 {
3343 fc_port_t *fcport;
3344 int status;
3345 uint16_t next_loopid = 0;
3346 struct qla_hw_data *ha = vha->hw;
3347 uint16_t data[2];
3348
3349 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3350 /*
3351 * If the port is not ONLINE then try to login
3352 * to it if we haven't run out of retries.
3353 */
3354 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3355 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3356 fcport->login_retry--;
3357 if (fcport->flags & FCF_FABRIC_DEVICE) {
3358 if (fcport->flags & FCF_FCP2_DEVICE)
3359 ha->isp_ops->fabric_logout(vha,
3360 fcport->loop_id,
3361 fcport->d_id.b.domain,
3362 fcport->d_id.b.area,
3363 fcport->d_id.b.al_pa);
3364
3365 if (fcport->loop_id == FC_NO_LOOP_ID) {
3366 fcport->loop_id = next_loopid =
3367 ha->min_external_loopid;
3368 status = qla2x00_find_new_loop_id(
3369 vha, fcport);
3370 if (status != QLA_SUCCESS) {
3371 /* Ran out of IDs to use */
3372 break;
3373 }
3374 }
3375
3376 if (IS_ALOGIO_CAPABLE(ha)) {
3377 fcport->flags |= FCF_ASYNC_SENT;
3378 data[0] = 0;
3379 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3380 status = qla2x00_post_async_login_work(
3381 vha, fcport, data);
3382 if (status == QLA_SUCCESS)
3383 continue;
3384 /* Attempt a retry. */
3385 status = 1;
3386 } else
3387 status = qla2x00_fabric_login(vha,
3388 fcport, &next_loopid);
3389 } else
3390 status = qla2x00_local_device_login(vha,
3391 fcport);
3392
3393 if (status == QLA_SUCCESS) {
3394 fcport->old_loop_id = fcport->loop_id;
3395
3396 ql_dbg(ql_dbg_disc, vha, 0x2003,
3397 "Port login OK: logged in ID 0x%x.\n",
3398 fcport->loop_id);
3399
3400 qla2x00_update_fcport(vha, fcport);
3401
3402 } else if (status == 1) {
3403 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3404 /* retry the login again */
3405 ql_dbg(ql_dbg_disc, vha, 0x2007,
3406 "Retrying %d login again loop_id 0x%x.\n",
3407 fcport->login_retry, fcport->loop_id);
3408 } else {
3409 fcport->login_retry = 0;
3410 }
3411
3412 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3413 fcport->loop_id = FC_NO_LOOP_ID;
3414 }
3415 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3416 break;
3417 }
3418 }
3419
3420 /**************************************************************************
3421 * qla2x00_do_dpc
3422 * This kernel thread is a task that is schedule by the interrupt handler
3423 * to perform the background processing for interrupts.
3424 *
3425 * Notes:
3426 * This task always run in the context of a kernel thread. It
3427 * is kick-off by the driver's detect code and starts up
3428 * up one per adapter. It immediately goes to sleep and waits for
3429 * some fibre event. When either the interrupt handler or
3430 * the timer routine detects a event it will one of the task
3431 * bits then wake us up.
3432 **************************************************************************/
3433 static int
3434 qla2x00_do_dpc(void *data)
3435 {
3436 int rval;
3437 scsi_qla_host_t *base_vha;
3438 struct qla_hw_data *ha;
3439
3440 ha = (struct qla_hw_data *)data;
3441 base_vha = pci_get_drvdata(ha->pdev);
3442
3443 set_user_nice(current, -20);
3444
3445 set_current_state(TASK_INTERRUPTIBLE);
3446 while (!kthread_should_stop()) {
3447 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3448 "DPC handler sleeping.\n");
3449
3450 schedule();
3451 __set_current_state(TASK_RUNNING);
3452
3453 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
3454 goto end_loop;
3455
3456 if (ha->flags.eeh_busy) {
3457 ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3458 "eeh_busy=%d.\n", ha->flags.eeh_busy);
3459 goto end_loop;
3460 }
3461
3462 ha->dpc_active = 1;
3463
3464 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3465 "DPC handler waking up.\n");
3466 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3467 "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3468
3469 qla2x00_do_work(base_vha);
3470
3471 if (IS_QLA82XX(ha)) {
3472 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3473 &base_vha->dpc_flags)) {
3474 qla82xx_idc_lock(ha);
3475 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3476 QLA82XX_DEV_FAILED);
3477 qla82xx_idc_unlock(ha);
3478 ql_log(ql_log_info, base_vha, 0x4004,
3479 "HW State: FAILED.\n");
3480 qla82xx_device_state_handler(base_vha);
3481 continue;
3482 }
3483
3484 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3485 &base_vha->dpc_flags)) {
3486
3487 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3488 "FCoE context reset scheduled.\n");
3489 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3490 &base_vha->dpc_flags))) {
3491 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3492 /* FCoE-ctx reset failed.
3493 * Escalate to chip-reset
3494 */
3495 set_bit(ISP_ABORT_NEEDED,
3496 &base_vha->dpc_flags);
3497 }
3498 clear_bit(ABORT_ISP_ACTIVE,
3499 &base_vha->dpc_flags);
3500 }
3501
3502 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3503 "FCoE context reset end.\n");
3504 }
3505 }
3506
3507 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3508 &base_vha->dpc_flags)) {
3509
3510 ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3511 "ISP abort scheduled.\n");
3512 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3513 &base_vha->dpc_flags))) {
3514
3515 if (ha->isp_ops->abort_isp(base_vha)) {
3516 /* failed. retry later */
3517 set_bit(ISP_ABORT_NEEDED,
3518 &base_vha->dpc_flags);
3519 }
3520 clear_bit(ABORT_ISP_ACTIVE,
3521 &base_vha->dpc_flags);
3522 }
3523
3524 ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3525 "ISP abort end.\n");
3526 }
3527
3528 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3529 qla2x00_update_fcports(base_vha);
3530 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3531 }
3532
3533 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3534 ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3535 "Quiescence mode scheduled.\n");
3536 qla82xx_device_state_handler(base_vha);
3537 clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3538 if (!ha->flags.quiesce_owner) {
3539 qla2x00_perform_loop_resync(base_vha);
3540
3541 qla82xx_idc_lock(ha);
3542 qla82xx_clear_qsnt_ready(base_vha);
3543 qla82xx_idc_unlock(ha);
3544 }
3545 ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3546 "Quiescence mode end.\n");
3547 }
3548
3549 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3550 &base_vha->dpc_flags) &&
3551 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3552
3553 ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3554 "Reset marker scheduled.\n");
3555 qla2x00_rst_aen(base_vha);
3556 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3557 ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3558 "Reset marker end.\n");
3559 }
3560
3561 /* Retry each device up to login retry count */
3562 if ((test_and_clear_bit(RELOGIN_NEEDED,
3563 &base_vha->dpc_flags)) &&
3564 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3565 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3566
3567 ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3568 "Relogin scheduled.\n");
3569 qla2x00_relogin(base_vha);
3570 ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3571 "Relogin end.\n");
3572 }
3573
3574 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3575 &base_vha->dpc_flags)) {
3576
3577 ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3578 "Loop resync scheduled.\n");
3579
3580 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3581 &base_vha->dpc_flags))) {
3582
3583 rval = qla2x00_loop_resync(base_vha);
3584
3585 clear_bit(LOOP_RESYNC_ACTIVE,
3586 &base_vha->dpc_flags);
3587 }
3588
3589 ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3590 "Loop resync end.\n");
3591 }
3592
3593 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3594 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3595 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3596 qla2xxx_flash_npiv_conf(base_vha);
3597 }
3598
3599 if (!ha->interrupts_on)
3600 ha->isp_ops->enable_intrs(ha);
3601
3602 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3603 &base_vha->dpc_flags))
3604 ha->isp_ops->beacon_blink(base_vha);
3605
3606 qla2x00_do_dpc_all_vps(base_vha);
3607
3608 ha->dpc_active = 0;
3609 end_loop:
3610 set_current_state(TASK_INTERRUPTIBLE);
3611 } /* End of while(1) */
3612 __set_current_state(TASK_RUNNING);
3613
3614 ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3615 "DPC handler exiting.\n");
3616
3617 /*
3618 * Make sure that nobody tries to wake us up again.
3619 */
3620 ha->dpc_active = 0;
3621
3622 /* Cleanup any residual CTX SRBs. */
3623 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3624
3625 return 0;
3626 }
3627
3628 void
3629 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3630 {
3631 struct qla_hw_data *ha = vha->hw;
3632 struct task_struct *t = ha->dpc_thread;
3633
3634 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3635 wake_up_process(t);
3636 }
3637
3638 /*
3639 * qla2x00_rst_aen
3640 * Processes asynchronous reset.
3641 *
3642 * Input:
3643 * ha = adapter block pointer.
3644 */
3645 static void
3646 qla2x00_rst_aen(scsi_qla_host_t *vha)
3647 {
3648 if (vha->flags.online && !vha->flags.reset_active &&
3649 !atomic_read(&vha->loop_down_timer) &&
3650 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3651 do {
3652 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3653
3654 /*
3655 * Issue marker command only when we are going to start
3656 * the I/O.
3657 */
3658 vha->marker_needed = 1;
3659 } while (!atomic_read(&vha->loop_down_timer) &&
3660 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3661 }
3662 }
3663
3664 static void
3665 qla2x00_sp_free_dma(srb_t *sp)
3666 {
3667 struct scsi_cmnd *cmd = sp->cmd;
3668 struct qla_hw_data *ha = sp->fcport->vha->hw;
3669
3670 if (sp->flags & SRB_DMA_VALID) {
3671 scsi_dma_unmap(cmd);
3672 sp->flags &= ~SRB_DMA_VALID;
3673 }
3674
3675 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3676 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3677 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3678 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3679 }
3680
3681 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3682 /* List assured to be having elements */
3683 qla2x00_clean_dsd_pool(ha, sp);
3684 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3685 }
3686
3687 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3688 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3689 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3690 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3691 }
3692
3693 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3694 struct ct6_dsd *ctx = sp->ctx;
3695 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3696 ctx->fcp_cmnd_dma);
3697 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3698 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3699 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3700 mempool_free(sp->ctx, ha->ctx_mempool);
3701 sp->ctx = NULL;
3702 }
3703
3704 CMD_SP(cmd) = NULL;
3705 }
3706
3707 static void
3708 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3709 {
3710 struct scsi_cmnd *cmd = sp->cmd;
3711
3712 qla2x00_sp_free_dma(sp);
3713 mempool_free(sp, ha->srb_mempool);
3714 cmd->scsi_done(cmd);
3715 }
3716
3717 void
3718 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3719 {
3720 if (atomic_read(&sp->ref_count) == 0) {
3721 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
3722 "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
3723 sp, sp->cmd);
3724 if (ql2xextended_error_logging & ql_dbg_io)
3725 BUG();
3726 return;
3727 }
3728 if (!atomic_dec_and_test(&sp->ref_count))
3729 return;
3730 qla2x00_sp_final_compl(ha, sp);
3731 }
3732
3733 /**************************************************************************
3734 * qla2x00_timer
3735 *
3736 * Description:
3737 * One second timer
3738 *
3739 * Context: Interrupt
3740 ***************************************************************************/
3741 void
3742 qla2x00_timer(scsi_qla_host_t *vha)
3743 {
3744 unsigned long cpu_flags = 0;
3745 int start_dpc = 0;
3746 int index;
3747 srb_t *sp;
3748 uint16_t w;
3749 struct qla_hw_data *ha = vha->hw;
3750 struct req_que *req;
3751
3752 if (ha->flags.eeh_busy) {
3753 ql_dbg(ql_dbg_timer, vha, 0x6000,
3754 "EEH = %d, restarting timer.\n",
3755 ha->flags.eeh_busy);
3756 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3757 return;
3758 }
3759
3760 /* Hardware read to raise pending EEH errors during mailbox waits. */
3761 if (!pci_channel_offline(ha->pdev))
3762 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3763
3764 /* Make sure qla82xx_watchdog is run only for physical port */
3765 if (!vha->vp_idx && IS_QLA82XX(ha)) {
3766 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3767 start_dpc++;
3768 qla82xx_watchdog(vha);
3769 }
3770
3771 /* Loop down handler. */
3772 if (atomic_read(&vha->loop_down_timer) > 0 &&
3773 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3774 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3775 && vha->flags.online) {
3776
3777 if (atomic_read(&vha->loop_down_timer) ==
3778 vha->loop_down_abort_time) {
3779
3780 ql_log(ql_log_info, vha, 0x6008,
3781 "Loop down - aborting the queues before time expires.\n");
3782
3783 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3784 atomic_set(&vha->loop_state, LOOP_DEAD);
3785
3786 /*
3787 * Schedule an ISP abort to return any FCP2-device
3788 * commands.
3789 */
3790 /* NPIV - scan physical port only */
3791 if (!vha->vp_idx) {
3792 spin_lock_irqsave(&ha->hardware_lock,
3793 cpu_flags);
3794 req = ha->req_q_map[0];
3795 for (index = 1;
3796 index < MAX_OUTSTANDING_COMMANDS;
3797 index++) {
3798 fc_port_t *sfcp;
3799
3800 sp = req->outstanding_cmds[index];
3801 if (!sp)
3802 continue;
3803 if (sp->ctx && !IS_PROT_IO(sp))
3804 continue;
3805 sfcp = sp->fcport;
3806 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3807 continue;
3808
3809 if (IS_QLA82XX(ha))
3810 set_bit(FCOE_CTX_RESET_NEEDED,
3811 &vha->dpc_flags);
3812 else
3813 set_bit(ISP_ABORT_NEEDED,
3814 &vha->dpc_flags);
3815 break;
3816 }
3817 spin_unlock_irqrestore(&ha->hardware_lock,
3818 cpu_flags);
3819 }
3820 start_dpc++;
3821 }
3822
3823 /* if the loop has been down for 4 minutes, reinit adapter */
3824 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3825 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3826 ql_log(ql_log_warn, vha, 0x6009,
3827 "Loop down - aborting ISP.\n");
3828
3829 if (IS_QLA82XX(ha))
3830 set_bit(FCOE_CTX_RESET_NEEDED,
3831 &vha->dpc_flags);
3832 else
3833 set_bit(ISP_ABORT_NEEDED,
3834 &vha->dpc_flags);
3835 }
3836 }
3837 ql_dbg(ql_dbg_timer, vha, 0x600a,
3838 "Loop down - seconds remaining %d.\n",
3839 atomic_read(&vha->loop_down_timer));
3840 }
3841
3842 /* Check if beacon LED needs to be blinked for physical host only */
3843 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3844 /* There is no beacon_blink function for ISP82xx */
3845 if (!IS_QLA82XX(ha)) {
3846 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3847 start_dpc++;
3848 }
3849 }
3850
3851 /* Process any deferred work. */
3852 if (!list_empty(&vha->work_list))
3853 start_dpc++;
3854
3855 /* Schedule the DPC routine if needed */
3856 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3857 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3858 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3859 start_dpc ||
3860 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3861 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3862 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3863 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3864 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3865 test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3866 ql_dbg(ql_dbg_timer, vha, 0x600b,
3867 "isp_abort_needed=%d loop_resync_needed=%d "
3868 "fcport_update_needed=%d start_dpc=%d "
3869 "reset_marker_needed=%d",
3870 test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3871 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3872 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3873 start_dpc,
3874 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
3875 ql_dbg(ql_dbg_timer, vha, 0x600c,
3876 "beacon_blink_needed=%d isp_unrecoverable=%d "
3877 "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
3878 "relogin_needed=%d.\n",
3879 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
3880 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
3881 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
3882 test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
3883 test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
3884 qla2xxx_wake_dpc(vha);
3885 }
3886
3887 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3888 }
3889
3890 /* Firmware interface routines. */
3891
3892 #define FW_BLOBS 8
3893 #define FW_ISP21XX 0
3894 #define FW_ISP22XX 1
3895 #define FW_ISP2300 2
3896 #define FW_ISP2322 3
3897 #define FW_ISP24XX 4
3898 #define FW_ISP25XX 5
3899 #define FW_ISP81XX 6
3900 #define FW_ISP82XX 7
3901
3902 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3903 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3904 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3905 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3906 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3907 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3908 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3909 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3910
3911 static DEFINE_MUTEX(qla_fw_lock);
3912
3913 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3914 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3915 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3916 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3917 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3918 { .name = FW_FILE_ISP24XX, },
3919 { .name = FW_FILE_ISP25XX, },
3920 { .name = FW_FILE_ISP81XX, },
3921 { .name = FW_FILE_ISP82XX, },
3922 };
3923
3924 struct fw_blob *
3925 qla2x00_request_firmware(scsi_qla_host_t *vha)
3926 {
3927 struct qla_hw_data *ha = vha->hw;
3928 struct fw_blob *blob;
3929
3930 blob = NULL;
3931 if (IS_QLA2100(ha)) {
3932 blob = &qla_fw_blobs[FW_ISP21XX];
3933 } else if (IS_QLA2200(ha)) {
3934 blob = &qla_fw_blobs[FW_ISP22XX];
3935 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3936 blob = &qla_fw_blobs[FW_ISP2300];
3937 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3938 blob = &qla_fw_blobs[FW_ISP2322];
3939 } else if (IS_QLA24XX_TYPE(ha)) {
3940 blob = &qla_fw_blobs[FW_ISP24XX];
3941 } else if (IS_QLA25XX(ha)) {
3942 blob = &qla_fw_blobs[FW_ISP25XX];
3943 } else if (IS_QLA81XX(ha)) {
3944 blob = &qla_fw_blobs[FW_ISP81XX];
3945 } else if (IS_QLA82XX(ha)) {
3946 blob = &qla_fw_blobs[FW_ISP82XX];
3947 }
3948
3949 mutex_lock(&qla_fw_lock);
3950 if (blob->fw)
3951 goto out;
3952
3953 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3954 ql_log(ql_log_warn, vha, 0x0063,
3955 "Failed to load firmware image (%s).\n", blob->name);
3956 blob->fw = NULL;
3957 blob = NULL;
3958 goto out;
3959 }
3960
3961 out:
3962 mutex_unlock(&qla_fw_lock);
3963 return blob;
3964 }
3965
3966 static void
3967 qla2x00_release_firmware(void)
3968 {
3969 int idx;
3970
3971 mutex_lock(&qla_fw_lock);
3972 for (idx = 0; idx < FW_BLOBS; idx++)
3973 if (qla_fw_blobs[idx].fw)
3974 release_firmware(qla_fw_blobs[idx].fw);
3975 mutex_unlock(&qla_fw_lock);
3976 }
3977
3978 static pci_ers_result_t
3979 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3980 {
3981 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3982 struct qla_hw_data *ha = vha->hw;
3983
3984 ql_dbg(ql_dbg_aer, vha, 0x9000,
3985 "PCI error detected, state %x.\n", state);
3986
3987 switch (state) {
3988 case pci_channel_io_normal:
3989 ha->flags.eeh_busy = 0;
3990 return PCI_ERS_RESULT_CAN_RECOVER;
3991 case pci_channel_io_frozen:
3992 ha->flags.eeh_busy = 1;
3993 /* For ISP82XX complete any pending mailbox cmd */
3994 if (IS_QLA82XX(ha)) {
3995 ha->flags.isp82xx_fw_hung = 1;
3996 ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
3997 qla82xx_clear_pending_mbx(vha);
3998 }
3999 qla2x00_free_irqs(vha);
4000 pci_disable_device(pdev);
4001 /* Return back all IOs */
4002 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4003 return PCI_ERS_RESULT_NEED_RESET;
4004 case pci_channel_io_perm_failure:
4005 ha->flags.pci_channel_io_perm_failure = 1;
4006 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4007 return PCI_ERS_RESULT_DISCONNECT;
4008 }
4009 return PCI_ERS_RESULT_NEED_RESET;
4010 }
4011
4012 static pci_ers_result_t
4013 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4014 {
4015 int risc_paused = 0;
4016 uint32_t stat;
4017 unsigned long flags;
4018 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4019 struct qla_hw_data *ha = base_vha->hw;
4020 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4021 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4022
4023 if (IS_QLA82XX(ha))
4024 return PCI_ERS_RESULT_RECOVERED;
4025
4026 spin_lock_irqsave(&ha->hardware_lock, flags);
4027 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4028 stat = RD_REG_DWORD(&reg->hccr);
4029 if (stat & HCCR_RISC_PAUSE)
4030 risc_paused = 1;
4031 } else if (IS_QLA23XX(ha)) {
4032 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4033 if (stat & HSR_RISC_PAUSED)
4034 risc_paused = 1;
4035 } else if (IS_FWI2_CAPABLE(ha)) {
4036 stat = RD_REG_DWORD(&reg24->host_status);
4037 if (stat & HSRX_RISC_PAUSED)
4038 risc_paused = 1;
4039 }
4040 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4041
4042 if (risc_paused) {
4043 ql_log(ql_log_info, base_vha, 0x9003,
4044 "RISC paused -- mmio_enabled, Dumping firmware.\n");
4045 ha->isp_ops->fw_dump(base_vha, 0);
4046
4047 return PCI_ERS_RESULT_NEED_RESET;
4048 } else
4049 return PCI_ERS_RESULT_RECOVERED;
4050 }
4051
4052 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4053 {
4054 uint32_t rval = QLA_FUNCTION_FAILED;
4055 uint32_t drv_active = 0;
4056 struct qla_hw_data *ha = base_vha->hw;
4057 int fn;
4058 struct pci_dev *other_pdev = NULL;
4059
4060 ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4061 "Entered %s.\n", __func__);
4062
4063 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4064
4065 if (base_vha->flags.online) {
4066 /* Abort all outstanding commands,
4067 * so as to be requeued later */
4068 qla2x00_abort_isp_cleanup(base_vha);
4069 }
4070
4071
4072 fn = PCI_FUNC(ha->pdev->devfn);
4073 while (fn > 0) {
4074 fn--;
4075 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4076 "Finding pci device at function = 0x%x.\n", fn);
4077 other_pdev =
4078 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4079 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4080 fn));
4081
4082 if (!other_pdev)
4083 continue;
4084 if (atomic_read(&other_pdev->enable_cnt)) {
4085 ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4086 "Found PCI func available and enable at 0x%x.\n",
4087 fn);
4088 pci_dev_put(other_pdev);
4089 break;
4090 }
4091 pci_dev_put(other_pdev);
4092 }
4093
4094 if (!fn) {
4095 /* Reset owner */
4096 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4097 "This devfn is reset owner = 0x%x.\n",
4098 ha->pdev->devfn);
4099 qla82xx_idc_lock(ha);
4100
4101 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4102 QLA82XX_DEV_INITIALIZING);
4103
4104 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4105 QLA82XX_IDC_VERSION);
4106
4107 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4108 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4109 "drv_active = 0x%x.\n", drv_active);
4110
4111 qla82xx_idc_unlock(ha);
4112 /* Reset if device is not already reset
4113 * drv_active would be 0 if a reset has already been done
4114 */
4115 if (drv_active)
4116 rval = qla82xx_start_firmware(base_vha);
4117 else
4118 rval = QLA_SUCCESS;
4119 qla82xx_idc_lock(ha);
4120
4121 if (rval != QLA_SUCCESS) {
4122 ql_log(ql_log_info, base_vha, 0x900b,
4123 "HW State: FAILED.\n");
4124 qla82xx_clear_drv_active(ha);
4125 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4126 QLA82XX_DEV_FAILED);
4127 } else {
4128 ql_log(ql_log_info, base_vha, 0x900c,
4129 "HW State: READY.\n");
4130 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4131 QLA82XX_DEV_READY);
4132 qla82xx_idc_unlock(ha);
4133 ha->flags.isp82xx_fw_hung = 0;
4134 rval = qla82xx_restart_isp(base_vha);
4135 qla82xx_idc_lock(ha);
4136 /* Clear driver state register */
4137 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4138 qla82xx_set_drv_active(base_vha);
4139 }
4140 qla82xx_idc_unlock(ha);
4141 } else {
4142 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4143 "This devfn is not reset owner = 0x%x.\n",
4144 ha->pdev->devfn);
4145 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4146 QLA82XX_DEV_READY)) {
4147 ha->flags.isp82xx_fw_hung = 0;
4148 rval = qla82xx_restart_isp(base_vha);
4149 qla82xx_idc_lock(ha);
4150 qla82xx_set_drv_active(base_vha);
4151 qla82xx_idc_unlock(ha);
4152 }
4153 }
4154 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4155
4156 return rval;
4157 }
4158
4159 static pci_ers_result_t
4160 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4161 {
4162 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4163 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4164 struct qla_hw_data *ha = base_vha->hw;
4165 struct rsp_que *rsp;
4166 int rc, retries = 10;
4167
4168 ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4169 "Slot Reset.\n");
4170
4171 /* Workaround: qla2xxx driver which access hardware earlier
4172 * needs error state to be pci_channel_io_online.
4173 * Otherwise mailbox command timesout.
4174 */
4175 pdev->error_state = pci_channel_io_normal;
4176
4177 pci_restore_state(pdev);
4178
4179 /* pci_restore_state() clears the saved_state flag of the device
4180 * save restored state which resets saved_state flag
4181 */
4182 pci_save_state(pdev);
4183
4184 if (ha->mem_only)
4185 rc = pci_enable_device_mem(pdev);
4186 else
4187 rc = pci_enable_device(pdev);
4188
4189 if (rc) {
4190 ql_log(ql_log_warn, base_vha, 0x9005,
4191 "Can't re-enable PCI device after reset.\n");
4192 goto exit_slot_reset;
4193 }
4194
4195 rsp = ha->rsp_q_map[0];
4196 if (qla2x00_request_irqs(ha, rsp))
4197 goto exit_slot_reset;
4198
4199 if (ha->isp_ops->pci_config(base_vha))
4200 goto exit_slot_reset;
4201
4202 if (IS_QLA82XX(ha)) {
4203 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4204 ret = PCI_ERS_RESULT_RECOVERED;
4205 goto exit_slot_reset;
4206 } else
4207 goto exit_slot_reset;
4208 }
4209
4210 while (ha->flags.mbox_busy && retries--)
4211 msleep(1000);
4212
4213 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4214 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4215 ret = PCI_ERS_RESULT_RECOVERED;
4216 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4217
4218
4219 exit_slot_reset:
4220 ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4221 "slot_reset return %x.\n", ret);
4222
4223 return ret;
4224 }
4225
4226 static void
4227 qla2xxx_pci_resume(struct pci_dev *pdev)
4228 {
4229 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4230 struct qla_hw_data *ha = base_vha->hw;
4231 int ret;
4232
4233 ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4234 "pci_resume.\n");
4235
4236 ret = qla2x00_wait_for_hba_online(base_vha);
4237 if (ret != QLA_SUCCESS) {
4238 ql_log(ql_log_fatal, base_vha, 0x9002,
4239 "The device failed to resume I/O from slot/link_reset.\n");
4240 }
4241
4242 pci_cleanup_aer_uncorrect_error_status(pdev);
4243
4244 ha->flags.eeh_busy = 0;
4245 }
4246
4247 static struct pci_error_handlers qla2xxx_err_handler = {
4248 .error_detected = qla2xxx_pci_error_detected,
4249 .mmio_enabled = qla2xxx_pci_mmio_enabled,
4250 .slot_reset = qla2xxx_pci_slot_reset,
4251 .resume = qla2xxx_pci_resume,
4252 };
4253
4254 static struct pci_device_id qla2xxx_pci_tbl[] = {
4255 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4256 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4257 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4258 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4259 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4260 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4261 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4262 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4263 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4264 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4265 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4266 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4267 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4268 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4269 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4270 { 0 },
4271 };
4272 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4273
4274 static struct pci_driver qla2xxx_pci_driver = {
4275 .name = QLA2XXX_DRIVER_NAME,
4276 .driver = {
4277 .owner = THIS_MODULE,
4278 },
4279 .id_table = qla2xxx_pci_tbl,
4280 .probe = qla2x00_probe_one,
4281 .remove = qla2x00_remove_one,
4282 .shutdown = qla2x00_shutdown,
4283 .err_handler = &qla2xxx_err_handler,
4284 };
4285
4286 static struct file_operations apidev_fops = {
4287 .owner = THIS_MODULE,
4288 .llseek = noop_llseek,
4289 };
4290
4291 /**
4292 * qla2x00_module_init - Module initialization.
4293 **/
4294 static int __init
4295 qla2x00_module_init(void)
4296 {
4297 int ret = 0;
4298
4299 /* Allocate cache for SRBs. */
4300 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4301 SLAB_HWCACHE_ALIGN, NULL);
4302 if (srb_cachep == NULL) {
4303 ql_log(ql_log_fatal, NULL, 0x0001,
4304 "Unable to allocate SRB cache...Failing load!.\n");
4305 return -ENOMEM;
4306 }
4307
4308 /* Derive version string. */
4309 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4310 if (ql2xextended_error_logging)
4311 strcat(qla2x00_version_str, "-debug");
4312
4313 qla2xxx_transport_template =
4314 fc_attach_transport(&qla2xxx_transport_functions);
4315 if (!qla2xxx_transport_template) {
4316 kmem_cache_destroy(srb_cachep);
4317 ql_log(ql_log_fatal, NULL, 0x0002,
4318 "fc_attach_transport failed...Failing load!.\n");
4319 return -ENODEV;
4320 }
4321
4322 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4323 if (apidev_major < 0) {
4324 ql_log(ql_log_fatal, NULL, 0x0003,
4325 "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4326 }
4327
4328 qla2xxx_transport_vport_template =
4329 fc_attach_transport(&qla2xxx_transport_vport_functions);
4330 if (!qla2xxx_transport_vport_template) {
4331 kmem_cache_destroy(srb_cachep);
4332 fc_release_transport(qla2xxx_transport_template);
4333 ql_log(ql_log_fatal, NULL, 0x0004,
4334 "fc_attach_transport vport failed...Failing load!.\n");
4335 return -ENODEV;
4336 }
4337 ql_log(ql_log_info, NULL, 0x0005,
4338 "QLogic Fibre Channel HBA Driver: %s.\n",
4339 qla2x00_version_str);
4340 ret = pci_register_driver(&qla2xxx_pci_driver);
4341 if (ret) {
4342 kmem_cache_destroy(srb_cachep);
4343 fc_release_transport(qla2xxx_transport_template);
4344 fc_release_transport(qla2xxx_transport_vport_template);
4345 ql_log(ql_log_fatal, NULL, 0x0006,
4346 "pci_register_driver failed...ret=%d Failing load!.\n",
4347 ret);
4348 }
4349 return ret;
4350 }
4351
4352 /**
4353 * qla2x00_module_exit - Module cleanup.
4354 **/
4355 static void __exit
4356 qla2x00_module_exit(void)
4357 {
4358 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4359 pci_unregister_driver(&qla2xxx_pci_driver);
4360 qla2x00_release_firmware();
4361 kmem_cache_destroy(srb_cachep);
4362 if (ctx_cachep)
4363 kmem_cache_destroy(ctx_cachep);
4364 fc_release_transport(qla2xxx_transport_template);
4365 fc_release_transport(qla2xxx_transport_vport_template);
4366 }
4367
4368 module_init(qla2x00_module_init);
4369 module_exit(qla2x00_module_exit);
4370
4371 MODULE_AUTHOR("QLogic Corporation");
4372 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4373 MODULE_LICENSE("GPL");
4374 MODULE_VERSION(QLA2XXX_VERSION);
4375 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4376 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4377 MODULE_FIRMWARE(FW_FILE_ISP2300);
4378 MODULE_FIRMWARE(FW_FILE_ISP2322);
4379 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4380 MODULE_FIRMWARE(FW_FILE_ISP25XX);