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[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
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 #include <scsi/scsi_tcq.h>
17 #include <scsi/scsicam.h>
18 #include <scsi/scsi_transport.h>
19 #include <scsi/scsi_transport_fc.h>
20
21 #include "qla_target.h"
22
23 /*
24 * Driver version
25 */
26 char qla2x00_version_str[40];
27
28 static int apidev_major;
29
30 /*
31 * SRB allocation cache
32 */
33 static struct kmem_cache *srb_cachep;
34
35 /*
36 * CT6 CTX allocation cache
37 */
38 static struct kmem_cache *ctx_cachep;
39 /*
40 * error level for logging
41 */
42 int ql_errlev = ql_log_all;
43
44 static int ql2xenableclass2;
45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
46 MODULE_PARM_DESC(ql2xenableclass2,
47 "Specify if Class 2 operations are supported from the very "
48 "beginning. Default is 0 - class 2 not supported.");
49
50
51 int ql2xlogintimeout = 20;
52 module_param(ql2xlogintimeout, int, S_IRUGO);
53 MODULE_PARM_DESC(ql2xlogintimeout,
54 "Login timeout value in seconds.");
55
56 int qlport_down_retry;
57 module_param(qlport_down_retry, int, S_IRUGO);
58 MODULE_PARM_DESC(qlport_down_retry,
59 "Maximum number of command retries to a port that returns "
60 "a PORT-DOWN status.");
61
62 int ql2xplogiabsentdevice;
63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
65 "Option to enable PLOGI to devices that are not present after "
66 "a Fabric scan. This is needed for several broken switches. "
67 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
68
69 int ql2xloginretrycount = 0;
70 module_param(ql2xloginretrycount, int, S_IRUGO);
71 MODULE_PARM_DESC(ql2xloginretrycount,
72 "Specify an alternate value for the NVRAM login retry count.");
73
74 int ql2xallocfwdump = 1;
75 module_param(ql2xallocfwdump, int, S_IRUGO);
76 MODULE_PARM_DESC(ql2xallocfwdump,
77 "Option to enable allocation of memory for a firmware dump "
78 "during HBA initialization. Memory allocation requirements "
79 "vary by ISP type. Default is 1 - allocate memory.");
80
81 int ql2xextended_error_logging;
82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
83 MODULE_PARM_DESC(ql2xextended_error_logging,
84 "Option to enable extended error logging,\n"
85 "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n"
86 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
87 "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n"
88 "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n"
89 "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n"
90 "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n"
91 "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n"
92 "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n"
93 "\t\t0x00008000 - Verbose. 0x00004000 - Target.\n"
94 "\t\t0x00002000 - Target Mgmt. 0x00001000 - Target TMF.\n"
95 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
96 "\t\t0x1e400000 - Preferred value for capturing essential "
97 "debug information (equivalent to old "
98 "ql2xextended_error_logging=1).\n"
99 "\t\tDo LOGICAL OR of the value to enable more than one level");
100
101 int ql2xshiftctondsd = 6;
102 module_param(ql2xshiftctondsd, int, S_IRUGO);
103 MODULE_PARM_DESC(ql2xshiftctondsd,
104 "Set to control shifting of command type processing "
105 "based on total number of SG elements.");
106
107 int ql2xfdmienable=1;
108 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
109 MODULE_PARM_DESC(ql2xfdmienable,
110 "Enables FDMI registrations. "
111 "0 - no FDMI. Default is 1 - perform FDMI.");
112
113 #define MAX_Q_DEPTH 32
114 static int ql2xmaxqdepth = MAX_Q_DEPTH;
115 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
116 MODULE_PARM_DESC(ql2xmaxqdepth,
117 "Maximum queue depth to set for each LUN. "
118 "Default is 32.");
119
120 int ql2xenabledif = 2;
121 module_param(ql2xenabledif, int, S_IRUGO);
122 MODULE_PARM_DESC(ql2xenabledif,
123 " Enable T10-CRC-DIF:\n"
124 " Default is 2.\n"
125 " 0 -- No DIF Support\n"
126 " 1 -- Enable DIF for all types\n"
127 " 2 -- Enable DIF for all types, except Type 0.\n");
128
129 int ql2xenablehba_err_chk = 2;
130 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
131 MODULE_PARM_DESC(ql2xenablehba_err_chk,
132 " Enable T10-CRC-DIF Error isolation by HBA:\n"
133 " Default is 2.\n"
134 " 0 -- Error isolation disabled\n"
135 " 1 -- Error isolation enabled only for DIX Type 0\n"
136 " 2 -- Error isolation enabled for all Types\n");
137
138 int ql2xiidmaenable=1;
139 module_param(ql2xiidmaenable, int, S_IRUGO);
140 MODULE_PARM_DESC(ql2xiidmaenable,
141 "Enables iIDMA settings "
142 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
143
144 int ql2xmaxqueues = 1;
145 module_param(ql2xmaxqueues, int, S_IRUGO);
146 MODULE_PARM_DESC(ql2xmaxqueues,
147 "Enables MQ settings "
148 "Default is 1 for single queue. Set it to number "
149 "of queues in MQ mode.");
150
151 int ql2xmultique_tag;
152 module_param(ql2xmultique_tag, int, S_IRUGO);
153 MODULE_PARM_DESC(ql2xmultique_tag,
154 "Enables CPU affinity settings for the driver "
155 "Default is 0 for no affinity of request and response IO. "
156 "Set it to 1 to turn on the cpu affinity.");
157
158 int ql2xfwloadbin;
159 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
160 MODULE_PARM_DESC(ql2xfwloadbin,
161 "Option to specify location from which to load ISP firmware:.\n"
162 " 2 -- load firmware via the request_firmware() (hotplug).\n"
163 " interface.\n"
164 " 1 -- load firmware from flash.\n"
165 " 0 -- use default semantics.\n");
166
167 int ql2xetsenable;
168 module_param(ql2xetsenable, int, S_IRUGO);
169 MODULE_PARM_DESC(ql2xetsenable,
170 "Enables firmware ETS burst."
171 "Default is 0 - skip ETS enablement.");
172
173 int ql2xdbwr = 1;
174 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(ql2xdbwr,
176 "Option to specify scheme for request queue posting.\n"
177 " 0 -- Regular doorbell.\n"
178 " 1 -- CAMRAM doorbell (faster).\n");
179
180 int ql2xtargetreset = 1;
181 module_param(ql2xtargetreset, int, S_IRUGO);
182 MODULE_PARM_DESC(ql2xtargetreset,
183 "Enable target reset."
184 "Default is 1 - use hw defaults.");
185
186 int ql2xgffidenable;
187 module_param(ql2xgffidenable, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xgffidenable,
189 "Enables GFF_ID checks of port type. "
190 "Default is 0 - Do not use GFF_ID information.");
191
192 int ql2xasynctmfenable;
193 module_param(ql2xasynctmfenable, int, S_IRUGO);
194 MODULE_PARM_DESC(ql2xasynctmfenable,
195 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
196 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
197
198 int ql2xdontresethba;
199 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
200 MODULE_PARM_DESC(ql2xdontresethba,
201 "Option to specify reset behaviour.\n"
202 " 0 (Default) -- Reset on failure.\n"
203 " 1 -- Do not reset on failure.\n");
204
205 uint64_t ql2xmaxlun = MAX_LUNS;
206 module_param(ql2xmaxlun, ullong, S_IRUGO);
207 MODULE_PARM_DESC(ql2xmaxlun,
208 "Defines the maximum LU number to register with the SCSI "
209 "midlayer. Default is 65535.");
210
211 int ql2xmdcapmask = 0x1F;
212 module_param(ql2xmdcapmask, int, S_IRUGO);
213 MODULE_PARM_DESC(ql2xmdcapmask,
214 "Set the Minidump driver capture mask level. "
215 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
216
217 int ql2xmdenable = 1;
218 module_param(ql2xmdenable, int, S_IRUGO);
219 MODULE_PARM_DESC(ql2xmdenable,
220 "Enable/disable MiniDump. "
221 "0 - MiniDump disabled. "
222 "1 (Default) - MiniDump enabled.");
223
224 /*
225 * SCSI host template entry points
226 */
227 static int qla2xxx_slave_configure(struct scsi_device * device);
228 static int qla2xxx_slave_alloc(struct scsi_device *);
229 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
230 static void qla2xxx_scan_start(struct Scsi_Host *);
231 static void qla2xxx_slave_destroy(struct scsi_device *);
232 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
233 static int qla2xxx_eh_abort(struct scsi_cmnd *);
234 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
235 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
236 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
237 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
238
239 static void qla2x00_clear_drv_active(struct qla_hw_data *);
240 static void qla2x00_free_device(scsi_qla_host_t *);
241 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
242
243 struct scsi_host_template qla2xxx_driver_template = {
244 .module = THIS_MODULE,
245 .name = QLA2XXX_DRIVER_NAME,
246 .queuecommand = qla2xxx_queuecommand,
247
248 .eh_abort_handler = qla2xxx_eh_abort,
249 .eh_device_reset_handler = qla2xxx_eh_device_reset,
250 .eh_target_reset_handler = qla2xxx_eh_target_reset,
251 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
252 .eh_host_reset_handler = qla2xxx_eh_host_reset,
253
254 .slave_configure = qla2xxx_slave_configure,
255
256 .slave_alloc = qla2xxx_slave_alloc,
257 .slave_destroy = qla2xxx_slave_destroy,
258 .scan_finished = qla2xxx_scan_finished,
259 .scan_start = qla2xxx_scan_start,
260 .change_queue_depth = scsi_change_queue_depth,
261 .this_id = -1,
262 .cmd_per_lun = 3,
263 .use_clustering = ENABLE_CLUSTERING,
264 .sg_tablesize = SG_ALL,
265
266 .max_sectors = 0xFFFF,
267 .shost_attrs = qla2x00_host_attrs,
268
269 .supported_mode = MODE_INITIATOR,
270 .use_blk_tags = 1,
271 .track_queue_depth = 1,
272 };
273
274 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
275 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
276
277 /* TODO Convert to inlines
278 *
279 * Timer routines
280 */
281
282 __inline__ void
283 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
284 {
285 init_timer(&vha->timer);
286 vha->timer.expires = jiffies + interval * HZ;
287 vha->timer.data = (unsigned long)vha;
288 vha->timer.function = (void (*)(unsigned long))func;
289 add_timer(&vha->timer);
290 vha->timer_active = 1;
291 }
292
293 static inline void
294 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
295 {
296 /* Currently used for 82XX only. */
297 if (vha->device_flags & DFLG_DEV_FAILED) {
298 ql_dbg(ql_dbg_timer, vha, 0x600d,
299 "Device in a failed state, returning.\n");
300 return;
301 }
302
303 mod_timer(&vha->timer, jiffies + interval * HZ);
304 }
305
306 static __inline__ void
307 qla2x00_stop_timer(scsi_qla_host_t *vha)
308 {
309 del_timer_sync(&vha->timer);
310 vha->timer_active = 0;
311 }
312
313 static int qla2x00_do_dpc(void *data);
314
315 static void qla2x00_rst_aen(scsi_qla_host_t *);
316
317 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
318 struct req_que **, struct rsp_que **);
319 static void qla2x00_free_fw_dump(struct qla_hw_data *);
320 static void qla2x00_mem_free(struct qla_hw_data *);
321
322 /* -------------------------------------------------------------------------- */
323 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
324 struct rsp_que *rsp)
325 {
326 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
327 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
328 GFP_KERNEL);
329 if (!ha->req_q_map) {
330 ql_log(ql_log_fatal, vha, 0x003b,
331 "Unable to allocate memory for request queue ptrs.\n");
332 goto fail_req_map;
333 }
334
335 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
336 GFP_KERNEL);
337 if (!ha->rsp_q_map) {
338 ql_log(ql_log_fatal, vha, 0x003c,
339 "Unable to allocate memory for response queue ptrs.\n");
340 goto fail_rsp_map;
341 }
342 /*
343 * Make sure we record at least the request and response queue zero in
344 * case we need to free them if part of the probe fails.
345 */
346 ha->rsp_q_map[0] = rsp;
347 ha->req_q_map[0] = req;
348 set_bit(0, ha->rsp_qid_map);
349 set_bit(0, ha->req_qid_map);
350 return 1;
351
352 fail_rsp_map:
353 kfree(ha->req_q_map);
354 ha->req_q_map = NULL;
355 fail_req_map:
356 return -ENOMEM;
357 }
358
359 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
360 {
361 if (IS_QLAFX00(ha)) {
362 if (req && req->ring_fx00)
363 dma_free_coherent(&ha->pdev->dev,
364 (req->length_fx00 + 1) * sizeof(request_t),
365 req->ring_fx00, req->dma_fx00);
366 } else if (req && req->ring)
367 dma_free_coherent(&ha->pdev->dev,
368 (req->length + 1) * sizeof(request_t),
369 req->ring, req->dma);
370
371 if (req)
372 kfree(req->outstanding_cmds);
373
374 kfree(req);
375 req = NULL;
376 }
377
378 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
379 {
380 if (IS_QLAFX00(ha)) {
381 if (rsp && rsp->ring)
382 dma_free_coherent(&ha->pdev->dev,
383 (rsp->length_fx00 + 1) * sizeof(request_t),
384 rsp->ring_fx00, rsp->dma_fx00);
385 } else if (rsp && rsp->ring) {
386 dma_free_coherent(&ha->pdev->dev,
387 (rsp->length + 1) * sizeof(response_t),
388 rsp->ring, rsp->dma);
389 }
390 kfree(rsp);
391 rsp = NULL;
392 }
393
394 static void qla2x00_free_queues(struct qla_hw_data *ha)
395 {
396 struct req_que *req;
397 struct rsp_que *rsp;
398 int cnt;
399
400 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
401 req = ha->req_q_map[cnt];
402 qla2x00_free_req_que(ha, req);
403 }
404 kfree(ha->req_q_map);
405 ha->req_q_map = NULL;
406
407 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
408 rsp = ha->rsp_q_map[cnt];
409 qla2x00_free_rsp_que(ha, rsp);
410 }
411 kfree(ha->rsp_q_map);
412 ha->rsp_q_map = NULL;
413 }
414
415 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
416 {
417 uint16_t options = 0;
418 int ques, req, ret;
419 struct qla_hw_data *ha = vha->hw;
420
421 if (!(ha->fw_attributes & BIT_6)) {
422 ql_log(ql_log_warn, vha, 0x00d8,
423 "Firmware is not multi-queue capable.\n");
424 goto fail;
425 }
426 if (ql2xmultique_tag) {
427 /* create a request queue for IO */
428 options |= BIT_7;
429 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
430 QLA_DEFAULT_QUE_QOS);
431 if (!req) {
432 ql_log(ql_log_warn, vha, 0x00e0,
433 "Failed to create request queue.\n");
434 goto fail;
435 }
436 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
437 vha->req = ha->req_q_map[req];
438 options |= BIT_1;
439 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
440 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
441 if (!ret) {
442 ql_log(ql_log_warn, vha, 0x00e8,
443 "Failed to create response queue.\n");
444 goto fail2;
445 }
446 }
447 ha->flags.cpu_affinity_enabled = 1;
448 ql_dbg(ql_dbg_multiq, vha, 0xc007,
449 "CPU affinity mode enabled, "
450 "no. of response queues:%d no. of request queues:%d.\n",
451 ha->max_rsp_queues, ha->max_req_queues);
452 ql_dbg(ql_dbg_init, vha, 0x00e9,
453 "CPU affinity mode enabled, "
454 "no. of response queues:%d no. of request queues:%d.\n",
455 ha->max_rsp_queues, ha->max_req_queues);
456 }
457 return 0;
458 fail2:
459 qla25xx_delete_queues(vha);
460 destroy_workqueue(ha->wq);
461 ha->wq = NULL;
462 vha->req = ha->req_q_map[0];
463 fail:
464 ha->mqenable = 0;
465 kfree(ha->req_q_map);
466 kfree(ha->rsp_q_map);
467 ha->max_req_queues = ha->max_rsp_queues = 1;
468 return 1;
469 }
470
471 static char *
472 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
473 {
474 struct qla_hw_data *ha = vha->hw;
475 static char *pci_bus_modes[] = {
476 "33", "66", "100", "133",
477 };
478 uint16_t pci_bus;
479
480 strcpy(str, "PCI");
481 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
482 if (pci_bus) {
483 strcat(str, "-X (");
484 strcat(str, pci_bus_modes[pci_bus]);
485 } else {
486 pci_bus = (ha->pci_attr & BIT_8) >> 8;
487 strcat(str, " (");
488 strcat(str, pci_bus_modes[pci_bus]);
489 }
490 strcat(str, " MHz)");
491
492 return (str);
493 }
494
495 static char *
496 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
497 {
498 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
499 struct qla_hw_data *ha = vha->hw;
500 uint32_t pci_bus;
501
502 if (pci_is_pcie(ha->pdev)) {
503 char lwstr[6];
504 uint32_t lstat, lspeed, lwidth;
505
506 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
507 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
508 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
509
510 strcpy(str, "PCIe (");
511 switch (lspeed) {
512 case 1:
513 strcat(str, "2.5GT/s ");
514 break;
515 case 2:
516 strcat(str, "5.0GT/s ");
517 break;
518 case 3:
519 strcat(str, "8.0GT/s ");
520 break;
521 default:
522 strcat(str, "<unknown> ");
523 break;
524 }
525 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
526 strcat(str, lwstr);
527
528 return str;
529 }
530
531 strcpy(str, "PCI");
532 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
533 if (pci_bus == 0 || pci_bus == 8) {
534 strcat(str, " (");
535 strcat(str, pci_bus_modes[pci_bus >> 3]);
536 } else {
537 strcat(str, "-X ");
538 if (pci_bus & BIT_2)
539 strcat(str, "Mode 2");
540 else
541 strcat(str, "Mode 1");
542 strcat(str, " (");
543 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
544 }
545 strcat(str, " MHz)");
546
547 return str;
548 }
549
550 static char *
551 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
552 {
553 char un_str[10];
554 struct qla_hw_data *ha = vha->hw;
555
556 snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
557 ha->fw_minor_version, ha->fw_subminor_version);
558
559 if (ha->fw_attributes & BIT_9) {
560 strcat(str, "FLX");
561 return (str);
562 }
563
564 switch (ha->fw_attributes & 0xFF) {
565 case 0x7:
566 strcat(str, "EF");
567 break;
568 case 0x17:
569 strcat(str, "TP");
570 break;
571 case 0x37:
572 strcat(str, "IP");
573 break;
574 case 0x77:
575 strcat(str, "VI");
576 break;
577 default:
578 sprintf(un_str, "(%x)", ha->fw_attributes);
579 strcat(str, un_str);
580 break;
581 }
582 if (ha->fw_attributes & 0x100)
583 strcat(str, "X");
584
585 return (str);
586 }
587
588 static char *
589 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
590 {
591 struct qla_hw_data *ha = vha->hw;
592
593 snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
594 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
595 return str;
596 }
597
598 void
599 qla2x00_sp_free_dma(void *vha, void *ptr)
600 {
601 srb_t *sp = (srb_t *)ptr;
602 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
603 struct qla_hw_data *ha = sp->fcport->vha->hw;
604 void *ctx = GET_CMD_CTX_SP(sp);
605
606 if (sp->flags & SRB_DMA_VALID) {
607 scsi_dma_unmap(cmd);
608 sp->flags &= ~SRB_DMA_VALID;
609 }
610
611 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
612 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
613 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
614 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
615 }
616
617 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
618 /* List assured to be having elements */
619 qla2x00_clean_dsd_pool(ha, sp, NULL);
620 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
621 }
622
623 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
624 dma_pool_free(ha->dl_dma_pool, ctx,
625 ((struct crc_context *)ctx)->crc_ctx_dma);
626 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
627 }
628
629 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
630 struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
631
632 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
633 ctx1->fcp_cmnd_dma);
634 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
635 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
636 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
637 mempool_free(ctx1, ha->ctx_mempool);
638 ctx1 = NULL;
639 }
640
641 CMD_SP(cmd) = NULL;
642 qla2x00_rel_sp(sp->fcport->vha, sp);
643 }
644
645 static void
646 qla2x00_sp_compl(void *data, void *ptr, int res)
647 {
648 struct qla_hw_data *ha = (struct qla_hw_data *)data;
649 srb_t *sp = (srb_t *)ptr;
650 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
651
652 cmd->result = res;
653
654 if (atomic_read(&sp->ref_count) == 0) {
655 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
656 "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
657 sp, GET_CMD_SP(sp));
658 if (ql2xextended_error_logging & ql_dbg_io)
659 BUG();
660 return;
661 }
662 if (!atomic_dec_and_test(&sp->ref_count))
663 return;
664
665 qla2x00_sp_free_dma(ha, sp);
666 cmd->scsi_done(cmd);
667 }
668
669 /* If we are SP1 here, we need to still take and release the host_lock as SP1
670 * does not have the changes necessary to avoid taking host->host_lock.
671 */
672 static int
673 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
674 {
675 scsi_qla_host_t *vha = shost_priv(host);
676 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
677 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
678 struct qla_hw_data *ha = vha->hw;
679 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
680 srb_t *sp;
681 int rval;
682
683 if (ha->flags.eeh_busy) {
684 if (ha->flags.pci_channel_io_perm_failure) {
685 ql_dbg(ql_dbg_aer, vha, 0x9010,
686 "PCI Channel IO permanent failure, exiting "
687 "cmd=%p.\n", cmd);
688 cmd->result = DID_NO_CONNECT << 16;
689 } else {
690 ql_dbg(ql_dbg_aer, vha, 0x9011,
691 "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
692 cmd->result = DID_REQUEUE << 16;
693 }
694 goto qc24_fail_command;
695 }
696
697 rval = fc_remote_port_chkready(rport);
698 if (rval) {
699 cmd->result = rval;
700 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
701 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
702 cmd, rval);
703 goto qc24_fail_command;
704 }
705
706 if (!vha->flags.difdix_supported &&
707 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
708 ql_dbg(ql_dbg_io, vha, 0x3004,
709 "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
710 cmd);
711 cmd->result = DID_NO_CONNECT << 16;
712 goto qc24_fail_command;
713 }
714
715 if (!fcport) {
716 cmd->result = DID_NO_CONNECT << 16;
717 goto qc24_fail_command;
718 }
719
720 if (atomic_read(&fcport->state) != FCS_ONLINE) {
721 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
722 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
723 ql_dbg(ql_dbg_io, vha, 0x3005,
724 "Returning DNC, fcport_state=%d loop_state=%d.\n",
725 atomic_read(&fcport->state),
726 atomic_read(&base_vha->loop_state));
727 cmd->result = DID_NO_CONNECT << 16;
728 goto qc24_fail_command;
729 }
730 goto qc24_target_busy;
731 }
732
733 /*
734 * Return target busy if we've received a non-zero retry_delay_timer
735 * in a FCP_RSP.
736 */
737 if (fcport->retry_delay_timestamp == 0) {
738 /* retry delay not set */
739 } else if (time_after(jiffies, fcport->retry_delay_timestamp))
740 fcport->retry_delay_timestamp = 0;
741 else
742 goto qc24_target_busy;
743
744 sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
745 if (!sp)
746 goto qc24_host_busy;
747
748 sp->u.scmd.cmd = cmd;
749 sp->type = SRB_SCSI_CMD;
750 atomic_set(&sp->ref_count, 1);
751 CMD_SP(cmd) = (void *)sp;
752 sp->free = qla2x00_sp_free_dma;
753 sp->done = qla2x00_sp_compl;
754
755 rval = ha->isp_ops->start_scsi(sp);
756 if (rval != QLA_SUCCESS) {
757 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
758 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
759 goto qc24_host_busy_free_sp;
760 }
761
762 return 0;
763
764 qc24_host_busy_free_sp:
765 qla2x00_sp_free_dma(ha, sp);
766
767 qc24_host_busy:
768 return SCSI_MLQUEUE_HOST_BUSY;
769
770 qc24_target_busy:
771 return SCSI_MLQUEUE_TARGET_BUSY;
772
773 qc24_fail_command:
774 cmd->scsi_done(cmd);
775
776 return 0;
777 }
778
779 /*
780 * qla2x00_eh_wait_on_command
781 * Waits for the command to be returned by the Firmware for some
782 * max time.
783 *
784 * Input:
785 * cmd = Scsi Command to wait on.
786 *
787 * Return:
788 * Not Found : 0
789 * Found : 1
790 */
791 static int
792 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
793 {
794 #define ABORT_POLLING_PERIOD 1000
795 #define ABORT_WAIT_ITER ((2 * 1000) / (ABORT_POLLING_PERIOD))
796 unsigned long wait_iter = ABORT_WAIT_ITER;
797 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
798 struct qla_hw_data *ha = vha->hw;
799 int ret = QLA_SUCCESS;
800
801 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
802 ql_dbg(ql_dbg_taskm, vha, 0x8005,
803 "Return:eh_wait.\n");
804 return ret;
805 }
806
807 while (CMD_SP(cmd) && wait_iter--) {
808 msleep(ABORT_POLLING_PERIOD);
809 }
810 if (CMD_SP(cmd))
811 ret = QLA_FUNCTION_FAILED;
812
813 return ret;
814 }
815
816 /*
817 * qla2x00_wait_for_hba_online
818 * Wait till the HBA is online after going through
819 * <= MAX_RETRIES_OF_ISP_ABORT or
820 * finally HBA is disabled ie marked offline
821 *
822 * Input:
823 * ha - pointer to host adapter structure
824 *
825 * Note:
826 * Does context switching-Release SPIN_LOCK
827 * (if any) before calling this routine.
828 *
829 * Return:
830 * Success (Adapter is online) : 0
831 * Failed (Adapter is offline/disabled) : 1
832 */
833 int
834 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
835 {
836 int return_status;
837 unsigned long wait_online;
838 struct qla_hw_data *ha = vha->hw;
839 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
840
841 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
842 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
843 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
844 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
845 ha->dpc_active) && time_before(jiffies, wait_online)) {
846
847 msleep(1000);
848 }
849 if (base_vha->flags.online)
850 return_status = QLA_SUCCESS;
851 else
852 return_status = QLA_FUNCTION_FAILED;
853
854 return (return_status);
855 }
856
857 /*
858 * qla2x00_wait_for_hba_ready
859 * Wait till the HBA is ready before doing driver unload
860 *
861 * Input:
862 * ha - pointer to host adapter structure
863 *
864 * Note:
865 * Does context switching-Release SPIN_LOCK
866 * (if any) before calling this routine.
867 *
868 */
869 static void
870 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
871 {
872 struct qla_hw_data *ha = vha->hw;
873
874 while (((qla2x00_reset_active(vha)) || ha->dpc_active ||
875 ha->flags.mbox_busy) ||
876 test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
877 test_bit(FX00_TARGET_SCAN, &vha->dpc_flags))
878 msleep(1000);
879 }
880
881 int
882 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
883 {
884 int return_status;
885 unsigned long wait_reset;
886 struct qla_hw_data *ha = vha->hw;
887 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
888
889 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
890 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
891 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
892 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
893 ha->dpc_active) && time_before(jiffies, wait_reset)) {
894
895 msleep(1000);
896
897 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
898 ha->flags.chip_reset_done)
899 break;
900 }
901 if (ha->flags.chip_reset_done)
902 return_status = QLA_SUCCESS;
903 else
904 return_status = QLA_FUNCTION_FAILED;
905
906 return return_status;
907 }
908
909 static void
910 sp_get(struct srb *sp)
911 {
912 atomic_inc(&sp->ref_count);
913 }
914
915 /**************************************************************************
916 * qla2xxx_eh_abort
917 *
918 * Description:
919 * The abort function will abort the specified command.
920 *
921 * Input:
922 * cmd = Linux SCSI command packet to be aborted.
923 *
924 * Returns:
925 * Either SUCCESS or FAILED.
926 *
927 * Note:
928 * Only return FAILED if command not returned by firmware.
929 **************************************************************************/
930 static int
931 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
932 {
933 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
934 srb_t *sp;
935 int ret;
936 unsigned int id;
937 uint64_t lun;
938 unsigned long flags;
939 int rval, wait = 0;
940 struct qla_hw_data *ha = vha->hw;
941
942 if (!CMD_SP(cmd))
943 return SUCCESS;
944
945 ret = fc_block_scsi_eh(cmd);
946 if (ret != 0)
947 return ret;
948 ret = SUCCESS;
949
950 id = cmd->device->id;
951 lun = cmd->device->lun;
952
953 spin_lock_irqsave(&ha->hardware_lock, flags);
954 sp = (srb_t *) CMD_SP(cmd);
955 if (!sp) {
956 spin_unlock_irqrestore(&ha->hardware_lock, flags);
957 return SUCCESS;
958 }
959
960 ql_dbg(ql_dbg_taskm, vha, 0x8002,
961 "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p\n",
962 vha->host_no, id, lun, sp, cmd);
963
964 /* Get a reference to the sp and drop the lock.*/
965 sp_get(sp);
966
967 spin_unlock_irqrestore(&ha->hardware_lock, flags);
968 rval = ha->isp_ops->abort_command(sp);
969 if (rval) {
970 if (rval == QLA_FUNCTION_PARAMETER_ERROR) {
971 /*
972 * Decrement the ref_count since we can't find the
973 * command
974 */
975 atomic_dec(&sp->ref_count);
976 ret = SUCCESS;
977 } else
978 ret = FAILED;
979
980 ql_dbg(ql_dbg_taskm, vha, 0x8003,
981 "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
982 } else {
983 ql_dbg(ql_dbg_taskm, vha, 0x8004,
984 "Abort command mbx success cmd=%p.\n", cmd);
985 wait = 1;
986 }
987
988 spin_lock_irqsave(&ha->hardware_lock, flags);
989 /*
990 * Clear the slot in the oustanding_cmds array if we can't find the
991 * command to reclaim the resources.
992 */
993 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
994 vha->req->outstanding_cmds[sp->handle] = NULL;
995 sp->done(ha, sp, 0);
996 spin_unlock_irqrestore(&ha->hardware_lock, flags);
997
998 /* Did the command return during mailbox execution? */
999 if (ret == FAILED && !CMD_SP(cmd))
1000 ret = SUCCESS;
1001
1002 /* Wait for the command to be returned. */
1003 if (wait) {
1004 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1005 ql_log(ql_log_warn, vha, 0x8006,
1006 "Abort handler timed out cmd=%p.\n", cmd);
1007 ret = FAILED;
1008 }
1009 }
1010
1011 ql_log(ql_log_info, vha, 0x801c,
1012 "Abort command issued nexus=%ld:%d:%llu -- %d %x.\n",
1013 vha->host_no, id, lun, wait, ret);
1014
1015 return ret;
1016 }
1017
1018 int
1019 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1020 uint64_t l, enum nexus_wait_type type)
1021 {
1022 int cnt, match, status;
1023 unsigned long flags;
1024 struct qla_hw_data *ha = vha->hw;
1025 struct req_que *req;
1026 srb_t *sp;
1027 struct scsi_cmnd *cmd;
1028
1029 status = QLA_SUCCESS;
1030
1031 spin_lock_irqsave(&ha->hardware_lock, flags);
1032 req = vha->req;
1033 for (cnt = 1; status == QLA_SUCCESS &&
1034 cnt < req->num_outstanding_cmds; cnt++) {
1035 sp = req->outstanding_cmds[cnt];
1036 if (!sp)
1037 continue;
1038 if (sp->type != SRB_SCSI_CMD)
1039 continue;
1040 if (vha->vp_idx != sp->fcport->vha->vp_idx)
1041 continue;
1042 match = 0;
1043 cmd = GET_CMD_SP(sp);
1044 switch (type) {
1045 case WAIT_HOST:
1046 match = 1;
1047 break;
1048 case WAIT_TARGET:
1049 match = cmd->device->id == t;
1050 break;
1051 case WAIT_LUN:
1052 match = (cmd->device->id == t &&
1053 cmd->device->lun == l);
1054 break;
1055 }
1056 if (!match)
1057 continue;
1058
1059 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1060 status = qla2x00_eh_wait_on_command(cmd);
1061 spin_lock_irqsave(&ha->hardware_lock, flags);
1062 }
1063 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1064
1065 return status;
1066 }
1067
1068 static char *reset_errors[] = {
1069 "HBA not online",
1070 "HBA not ready",
1071 "Task management failed",
1072 "Waiting for command completions",
1073 };
1074
1075 static int
1076 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1077 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1078 {
1079 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1080 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1081 int err;
1082
1083 if (!fcport) {
1084 return FAILED;
1085 }
1086
1087 err = fc_block_scsi_eh(cmd);
1088 if (err != 0)
1089 return err;
1090
1091 ql_log(ql_log_info, vha, 0x8009,
1092 "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1093 cmd->device->id, cmd->device->lun, cmd);
1094
1095 err = 0;
1096 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1097 ql_log(ql_log_warn, vha, 0x800a,
1098 "Wait for hba online failed for cmd=%p.\n", cmd);
1099 goto eh_reset_failed;
1100 }
1101 err = 2;
1102 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1103 != QLA_SUCCESS) {
1104 ql_log(ql_log_warn, vha, 0x800c,
1105 "do_reset failed for cmd=%p.\n", cmd);
1106 goto eh_reset_failed;
1107 }
1108 err = 3;
1109 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1110 cmd->device->lun, type) != QLA_SUCCESS) {
1111 ql_log(ql_log_warn, vha, 0x800d,
1112 "wait for pending cmds failed for cmd=%p.\n", cmd);
1113 goto eh_reset_failed;
1114 }
1115
1116 ql_log(ql_log_info, vha, 0x800e,
1117 "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1118 vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1119
1120 return SUCCESS;
1121
1122 eh_reset_failed:
1123 ql_log(ql_log_info, vha, 0x800f,
1124 "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1125 reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1126 cmd);
1127 return FAILED;
1128 }
1129
1130 static int
1131 qla2xxx_eh_device_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
1136 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1137 ha->isp_ops->lun_reset);
1138 }
1139
1140 static int
1141 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1142 {
1143 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1144 struct qla_hw_data *ha = vha->hw;
1145
1146 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1147 ha->isp_ops->target_reset);
1148 }
1149
1150 /**************************************************************************
1151 * qla2xxx_eh_bus_reset
1152 *
1153 * Description:
1154 * The bus reset function will reset the bus and abort any executing
1155 * commands.
1156 *
1157 * Input:
1158 * cmd = Linux SCSI command packet of the command that cause the
1159 * bus reset.
1160 *
1161 * Returns:
1162 * SUCCESS/FAILURE (defined as macro in scsi.h).
1163 *
1164 **************************************************************************/
1165 static int
1166 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1167 {
1168 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1169 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1170 int ret = FAILED;
1171 unsigned int id;
1172 uint64_t lun;
1173
1174 id = cmd->device->id;
1175 lun = cmd->device->lun;
1176
1177 if (!fcport) {
1178 return ret;
1179 }
1180
1181 ret = fc_block_scsi_eh(cmd);
1182 if (ret != 0)
1183 return ret;
1184 ret = FAILED;
1185
1186 ql_log(ql_log_info, vha, 0x8012,
1187 "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1188
1189 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1190 ql_log(ql_log_fatal, vha, 0x8013,
1191 "Wait for hba online failed board disabled.\n");
1192 goto eh_bus_reset_done;
1193 }
1194
1195 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1196 ret = SUCCESS;
1197
1198 if (ret == FAILED)
1199 goto eh_bus_reset_done;
1200
1201 /* Flush outstanding commands. */
1202 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1203 QLA_SUCCESS) {
1204 ql_log(ql_log_warn, vha, 0x8014,
1205 "Wait for pending commands failed.\n");
1206 ret = FAILED;
1207 }
1208
1209 eh_bus_reset_done:
1210 ql_log(ql_log_warn, vha, 0x802b,
1211 "BUS RESET %s nexus=%ld:%d:%llu.\n",
1212 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1213
1214 return ret;
1215 }
1216
1217 /**************************************************************************
1218 * qla2xxx_eh_host_reset
1219 *
1220 * Description:
1221 * The reset function will reset the Adapter.
1222 *
1223 * Input:
1224 * cmd = Linux SCSI command packet of the command that cause the
1225 * adapter reset.
1226 *
1227 * Returns:
1228 * Either SUCCESS or FAILED.
1229 *
1230 * Note:
1231 **************************************************************************/
1232 static int
1233 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1234 {
1235 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1236 struct qla_hw_data *ha = vha->hw;
1237 int ret = FAILED;
1238 unsigned int id;
1239 uint64_t lun;
1240 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1241
1242 id = cmd->device->id;
1243 lun = cmd->device->lun;
1244
1245 ql_log(ql_log_info, vha, 0x8018,
1246 "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1247
1248 /*
1249 * No point in issuing another reset if one is active. Also do not
1250 * attempt a reset if we are updating flash.
1251 */
1252 if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1253 goto eh_host_reset_lock;
1254
1255 if (vha != base_vha) {
1256 if (qla2x00_vp_abort_isp(vha))
1257 goto eh_host_reset_lock;
1258 } else {
1259 if (IS_P3P_TYPE(vha->hw)) {
1260 if (!qla82xx_fcoe_ctx_reset(vha)) {
1261 /* Ctx reset success */
1262 ret = SUCCESS;
1263 goto eh_host_reset_lock;
1264 }
1265 /* fall thru if ctx reset failed */
1266 }
1267 if (ha->wq)
1268 flush_workqueue(ha->wq);
1269
1270 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1271 if (ha->isp_ops->abort_isp(base_vha)) {
1272 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1273 /* failed. schedule dpc to try */
1274 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1275
1276 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1277 ql_log(ql_log_warn, vha, 0x802a,
1278 "wait for hba online failed.\n");
1279 goto eh_host_reset_lock;
1280 }
1281 }
1282 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1283 }
1284
1285 /* Waiting for command to be returned to OS.*/
1286 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1287 QLA_SUCCESS)
1288 ret = SUCCESS;
1289
1290 eh_host_reset_lock:
1291 ql_log(ql_log_info, vha, 0x8017,
1292 "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1293 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1294
1295 return ret;
1296 }
1297
1298 /*
1299 * qla2x00_loop_reset
1300 * Issue loop reset.
1301 *
1302 * Input:
1303 * ha = adapter block pointer.
1304 *
1305 * Returns:
1306 * 0 = success
1307 */
1308 int
1309 qla2x00_loop_reset(scsi_qla_host_t *vha)
1310 {
1311 int ret;
1312 struct fc_port *fcport;
1313 struct qla_hw_data *ha = vha->hw;
1314
1315 if (IS_QLAFX00(ha)) {
1316 return qlafx00_loop_reset(vha);
1317 }
1318
1319 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1320 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1321 if (fcport->port_type != FCT_TARGET)
1322 continue;
1323
1324 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1325 if (ret != QLA_SUCCESS) {
1326 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1327 "Bus Reset failed: Reset=%d "
1328 "d_id=%x.\n", ret, fcport->d_id.b24);
1329 }
1330 }
1331 }
1332
1333
1334 if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1335 atomic_set(&vha->loop_state, LOOP_DOWN);
1336 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1337 qla2x00_mark_all_devices_lost(vha, 0);
1338 ret = qla2x00_full_login_lip(vha);
1339 if (ret != QLA_SUCCESS) {
1340 ql_dbg(ql_dbg_taskm, vha, 0x802d,
1341 "full_login_lip=%d.\n", ret);
1342 }
1343 }
1344
1345 if (ha->flags.enable_lip_reset) {
1346 ret = qla2x00_lip_reset(vha);
1347 if (ret != QLA_SUCCESS)
1348 ql_dbg(ql_dbg_taskm, vha, 0x802e,
1349 "lip_reset failed (%d).\n", ret);
1350 }
1351
1352 /* Issue marker command only when we are going to start the I/O */
1353 vha->marker_needed = 1;
1354
1355 return QLA_SUCCESS;
1356 }
1357
1358 void
1359 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1360 {
1361 int que, cnt;
1362 unsigned long flags;
1363 srb_t *sp;
1364 struct qla_hw_data *ha = vha->hw;
1365 struct req_que *req;
1366
1367 qlt_host_reset_handler(ha);
1368
1369 spin_lock_irqsave(&ha->hardware_lock, flags);
1370 for (que = 0; que < ha->max_req_queues; que++) {
1371 req = ha->req_q_map[que];
1372 if (!req)
1373 continue;
1374 if (!req->outstanding_cmds)
1375 continue;
1376 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1377 sp = req->outstanding_cmds[cnt];
1378 if (sp) {
1379 req->outstanding_cmds[cnt] = NULL;
1380 sp->done(vha, sp, res);
1381 }
1382 }
1383 }
1384 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1385 }
1386
1387 static int
1388 qla2xxx_slave_alloc(struct scsi_device *sdev)
1389 {
1390 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1391
1392 if (!rport || fc_remote_port_chkready(rport))
1393 return -ENXIO;
1394
1395 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1396
1397 return 0;
1398 }
1399
1400 static int
1401 qla2xxx_slave_configure(struct scsi_device *sdev)
1402 {
1403 scsi_qla_host_t *vha = shost_priv(sdev->host);
1404 struct req_que *req = vha->req;
1405
1406 if (IS_T10_PI_CAPABLE(vha->hw))
1407 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1408
1409 scsi_change_queue_depth(sdev, req->max_q_depth);
1410 return 0;
1411 }
1412
1413 static void
1414 qla2xxx_slave_destroy(struct scsi_device *sdev)
1415 {
1416 sdev->hostdata = NULL;
1417 }
1418
1419 /**
1420 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1421 * @ha: HA context
1422 *
1423 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1424 * supported addressing method.
1425 */
1426 static void
1427 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1428 {
1429 /* Assume a 32bit DMA mask. */
1430 ha->flags.enable_64bit_addressing = 0;
1431
1432 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1433 /* Any upper-dword bits set? */
1434 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1435 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1436 /* Ok, a 64bit DMA mask is applicable. */
1437 ha->flags.enable_64bit_addressing = 1;
1438 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1439 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1440 return;
1441 }
1442 }
1443
1444 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1445 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1446 }
1447
1448 static void
1449 qla2x00_enable_intrs(struct qla_hw_data *ha)
1450 {
1451 unsigned long flags = 0;
1452 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1453
1454 spin_lock_irqsave(&ha->hardware_lock, flags);
1455 ha->interrupts_on = 1;
1456 /* enable risc and host interrupts */
1457 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1458 RD_REG_WORD(&reg->ictrl);
1459 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1460
1461 }
1462
1463 static void
1464 qla2x00_disable_intrs(struct qla_hw_data *ha)
1465 {
1466 unsigned long flags = 0;
1467 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1468
1469 spin_lock_irqsave(&ha->hardware_lock, flags);
1470 ha->interrupts_on = 0;
1471 /* disable risc and host interrupts */
1472 WRT_REG_WORD(&reg->ictrl, 0);
1473 RD_REG_WORD(&reg->ictrl);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 static void
1478 qla24xx_enable_intrs(struct qla_hw_data *ha)
1479 {
1480 unsigned long flags = 0;
1481 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1482
1483 spin_lock_irqsave(&ha->hardware_lock, flags);
1484 ha->interrupts_on = 1;
1485 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1486 RD_REG_DWORD(&reg->ictrl);
1487 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1488 }
1489
1490 static void
1491 qla24xx_disable_intrs(struct qla_hw_data *ha)
1492 {
1493 unsigned long flags = 0;
1494 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1495
1496 if (IS_NOPOLLING_TYPE(ha))
1497 return;
1498 spin_lock_irqsave(&ha->hardware_lock, flags);
1499 ha->interrupts_on = 0;
1500 WRT_REG_DWORD(&reg->ictrl, 0);
1501 RD_REG_DWORD(&reg->ictrl);
1502 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1503 }
1504
1505 static int
1506 qla2x00_iospace_config(struct qla_hw_data *ha)
1507 {
1508 resource_size_t pio;
1509 uint16_t msix;
1510 int cpus;
1511
1512 if (pci_request_selected_regions(ha->pdev, ha->bars,
1513 QLA2XXX_DRIVER_NAME)) {
1514 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1515 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1516 pci_name(ha->pdev));
1517 goto iospace_error_exit;
1518 }
1519 if (!(ha->bars & 1))
1520 goto skip_pio;
1521
1522 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1523 pio = pci_resource_start(ha->pdev, 0);
1524 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1525 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1526 ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1527 "Invalid pci I/O region size (%s).\n",
1528 pci_name(ha->pdev));
1529 pio = 0;
1530 }
1531 } else {
1532 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1533 "Region #0 no a PIO resource (%s).\n",
1534 pci_name(ha->pdev));
1535 pio = 0;
1536 }
1537 ha->pio_address = pio;
1538 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1539 "PIO address=%llu.\n",
1540 (unsigned long long)ha->pio_address);
1541
1542 skip_pio:
1543 /* Use MMIO operations for all accesses. */
1544 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1545 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1546 "Region #1 not an MMIO resource (%s), aborting.\n",
1547 pci_name(ha->pdev));
1548 goto iospace_error_exit;
1549 }
1550 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1551 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1552 "Invalid PCI mem region size (%s), aborting.\n",
1553 pci_name(ha->pdev));
1554 goto iospace_error_exit;
1555 }
1556
1557 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1558 if (!ha->iobase) {
1559 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1560 "Cannot remap MMIO (%s), aborting.\n",
1561 pci_name(ha->pdev));
1562 goto iospace_error_exit;
1563 }
1564
1565 /* Determine queue resources */
1566 ha->max_req_queues = ha->max_rsp_queues = 1;
1567 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1568 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1569 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1570 goto mqiobase_exit;
1571
1572 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1573 pci_resource_len(ha->pdev, 3));
1574 if (ha->mqiobase) {
1575 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1576 "MQIO Base=%p.\n", ha->mqiobase);
1577 /* Read MSIX vector size of the board */
1578 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1579 ha->msix_count = msix;
1580 /* Max queues are bounded by available msix vectors */
1581 /* queue 0 uses two msix vectors */
1582 if (ql2xmultique_tag) {
1583 cpus = num_online_cpus();
1584 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1585 (cpus + 1) : (ha->msix_count - 1);
1586 ha->max_req_queues = 2;
1587 } else if (ql2xmaxqueues > 1) {
1588 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1589 QLA_MQ_SIZE : ql2xmaxqueues;
1590 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1591 "QoS mode set, max no of request queues:%d.\n",
1592 ha->max_req_queues);
1593 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1594 "QoS mode set, max no of request queues:%d.\n",
1595 ha->max_req_queues);
1596 }
1597 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1598 "MSI-X vector count: %d.\n", msix);
1599 } else
1600 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1601 "BAR 3 not enabled.\n");
1602
1603 mqiobase_exit:
1604 ha->msix_count = ha->max_rsp_queues + 1;
1605 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1606 "MSIX Count:%d.\n", ha->msix_count);
1607 return (0);
1608
1609 iospace_error_exit:
1610 return (-ENOMEM);
1611 }
1612
1613
1614 static int
1615 qla83xx_iospace_config(struct qla_hw_data *ha)
1616 {
1617 uint16_t msix;
1618 int cpus;
1619
1620 if (pci_request_selected_regions(ha->pdev, ha->bars,
1621 QLA2XXX_DRIVER_NAME)) {
1622 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1623 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1624 pci_name(ha->pdev));
1625
1626 goto iospace_error_exit;
1627 }
1628
1629 /* Use MMIO operations for all accesses. */
1630 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1631 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1632 "Invalid pci I/O region size (%s).\n",
1633 pci_name(ha->pdev));
1634 goto iospace_error_exit;
1635 }
1636 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1637 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1638 "Invalid PCI mem region size (%s), aborting\n",
1639 pci_name(ha->pdev));
1640 goto iospace_error_exit;
1641 }
1642
1643 ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1644 if (!ha->iobase) {
1645 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1646 "Cannot remap MMIO (%s), aborting.\n",
1647 pci_name(ha->pdev));
1648 goto iospace_error_exit;
1649 }
1650
1651 /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1652 /* 83XX 26XX always use MQ type access for queues
1653 * - mbar 2, a.k.a region 4 */
1654 ha->max_req_queues = ha->max_rsp_queues = 1;
1655 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1656 pci_resource_len(ha->pdev, 4));
1657
1658 if (!ha->mqiobase) {
1659 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1660 "BAR2/region4 not enabled\n");
1661 goto mqiobase_exit;
1662 }
1663
1664 ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1665 pci_resource_len(ha->pdev, 2));
1666 if (ha->msixbase) {
1667 /* Read MSIX vector size of the board */
1668 pci_read_config_word(ha->pdev,
1669 QLA_83XX_PCI_MSIX_CONTROL, &msix);
1670 ha->msix_count = msix;
1671 /* Max queues are bounded by available msix vectors */
1672 /* queue 0 uses two msix vectors */
1673 if (ql2xmultique_tag) {
1674 cpus = num_online_cpus();
1675 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1676 (cpus + 1) : (ha->msix_count - 1);
1677 ha->max_req_queues = 2;
1678 } else if (ql2xmaxqueues > 1) {
1679 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1680 QLA_MQ_SIZE : ql2xmaxqueues;
1681 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1682 "QoS mode set, max no of request queues:%d.\n",
1683 ha->max_req_queues);
1684 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1685 "QoS mode set, max no of request queues:%d.\n",
1686 ha->max_req_queues);
1687 }
1688 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1689 "MSI-X vector count: %d.\n", msix);
1690 } else
1691 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1692 "BAR 1 not enabled.\n");
1693
1694 mqiobase_exit:
1695 ha->msix_count = ha->max_rsp_queues + 1;
1696
1697 qlt_83xx_iospace_config(ha);
1698
1699 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1700 "MSIX Count:%d.\n", ha->msix_count);
1701 return 0;
1702
1703 iospace_error_exit:
1704 return -ENOMEM;
1705 }
1706
1707 static struct isp_operations qla2100_isp_ops = {
1708 .pci_config = qla2100_pci_config,
1709 .reset_chip = qla2x00_reset_chip,
1710 .chip_diag = qla2x00_chip_diag,
1711 .config_rings = qla2x00_config_rings,
1712 .reset_adapter = qla2x00_reset_adapter,
1713 .nvram_config = qla2x00_nvram_config,
1714 .update_fw_options = qla2x00_update_fw_options,
1715 .load_risc = qla2x00_load_risc,
1716 .pci_info_str = qla2x00_pci_info_str,
1717 .fw_version_str = qla2x00_fw_version_str,
1718 .intr_handler = qla2100_intr_handler,
1719 .enable_intrs = qla2x00_enable_intrs,
1720 .disable_intrs = qla2x00_disable_intrs,
1721 .abort_command = qla2x00_abort_command,
1722 .target_reset = qla2x00_abort_target,
1723 .lun_reset = qla2x00_lun_reset,
1724 .fabric_login = qla2x00_login_fabric,
1725 .fabric_logout = qla2x00_fabric_logout,
1726 .calc_req_entries = qla2x00_calc_iocbs_32,
1727 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1728 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1729 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1730 .read_nvram = qla2x00_read_nvram_data,
1731 .write_nvram = qla2x00_write_nvram_data,
1732 .fw_dump = qla2100_fw_dump,
1733 .beacon_on = NULL,
1734 .beacon_off = NULL,
1735 .beacon_blink = NULL,
1736 .read_optrom = qla2x00_read_optrom_data,
1737 .write_optrom = qla2x00_write_optrom_data,
1738 .get_flash_version = qla2x00_get_flash_version,
1739 .start_scsi = qla2x00_start_scsi,
1740 .abort_isp = qla2x00_abort_isp,
1741 .iospace_config = qla2x00_iospace_config,
1742 .initialize_adapter = qla2x00_initialize_adapter,
1743 };
1744
1745 static struct isp_operations qla2300_isp_ops = {
1746 .pci_config = qla2300_pci_config,
1747 .reset_chip = qla2x00_reset_chip,
1748 .chip_diag = qla2x00_chip_diag,
1749 .config_rings = qla2x00_config_rings,
1750 .reset_adapter = qla2x00_reset_adapter,
1751 .nvram_config = qla2x00_nvram_config,
1752 .update_fw_options = qla2x00_update_fw_options,
1753 .load_risc = qla2x00_load_risc,
1754 .pci_info_str = qla2x00_pci_info_str,
1755 .fw_version_str = qla2x00_fw_version_str,
1756 .intr_handler = qla2300_intr_handler,
1757 .enable_intrs = qla2x00_enable_intrs,
1758 .disable_intrs = qla2x00_disable_intrs,
1759 .abort_command = qla2x00_abort_command,
1760 .target_reset = qla2x00_abort_target,
1761 .lun_reset = qla2x00_lun_reset,
1762 .fabric_login = qla2x00_login_fabric,
1763 .fabric_logout = qla2x00_fabric_logout,
1764 .calc_req_entries = qla2x00_calc_iocbs_32,
1765 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1766 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1767 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1768 .read_nvram = qla2x00_read_nvram_data,
1769 .write_nvram = qla2x00_write_nvram_data,
1770 .fw_dump = qla2300_fw_dump,
1771 .beacon_on = qla2x00_beacon_on,
1772 .beacon_off = qla2x00_beacon_off,
1773 .beacon_blink = qla2x00_beacon_blink,
1774 .read_optrom = qla2x00_read_optrom_data,
1775 .write_optrom = qla2x00_write_optrom_data,
1776 .get_flash_version = qla2x00_get_flash_version,
1777 .start_scsi = qla2x00_start_scsi,
1778 .abort_isp = qla2x00_abort_isp,
1779 .iospace_config = qla2x00_iospace_config,
1780 .initialize_adapter = qla2x00_initialize_adapter,
1781 };
1782
1783 static struct isp_operations qla24xx_isp_ops = {
1784 .pci_config = qla24xx_pci_config,
1785 .reset_chip = qla24xx_reset_chip,
1786 .chip_diag = qla24xx_chip_diag,
1787 .config_rings = qla24xx_config_rings,
1788 .reset_adapter = qla24xx_reset_adapter,
1789 .nvram_config = qla24xx_nvram_config,
1790 .update_fw_options = qla24xx_update_fw_options,
1791 .load_risc = qla24xx_load_risc,
1792 .pci_info_str = qla24xx_pci_info_str,
1793 .fw_version_str = qla24xx_fw_version_str,
1794 .intr_handler = qla24xx_intr_handler,
1795 .enable_intrs = qla24xx_enable_intrs,
1796 .disable_intrs = qla24xx_disable_intrs,
1797 .abort_command = qla24xx_abort_command,
1798 .target_reset = qla24xx_abort_target,
1799 .lun_reset = qla24xx_lun_reset,
1800 .fabric_login = qla24xx_login_fabric,
1801 .fabric_logout = qla24xx_fabric_logout,
1802 .calc_req_entries = NULL,
1803 .build_iocbs = NULL,
1804 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1805 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1806 .read_nvram = qla24xx_read_nvram_data,
1807 .write_nvram = qla24xx_write_nvram_data,
1808 .fw_dump = qla24xx_fw_dump,
1809 .beacon_on = qla24xx_beacon_on,
1810 .beacon_off = qla24xx_beacon_off,
1811 .beacon_blink = qla24xx_beacon_blink,
1812 .read_optrom = qla24xx_read_optrom_data,
1813 .write_optrom = qla24xx_write_optrom_data,
1814 .get_flash_version = qla24xx_get_flash_version,
1815 .start_scsi = qla24xx_start_scsi,
1816 .abort_isp = qla2x00_abort_isp,
1817 .iospace_config = qla2x00_iospace_config,
1818 .initialize_adapter = qla2x00_initialize_adapter,
1819 };
1820
1821 static struct isp_operations qla25xx_isp_ops = {
1822 .pci_config = qla25xx_pci_config,
1823 .reset_chip = qla24xx_reset_chip,
1824 .chip_diag = qla24xx_chip_diag,
1825 .config_rings = qla24xx_config_rings,
1826 .reset_adapter = qla24xx_reset_adapter,
1827 .nvram_config = qla24xx_nvram_config,
1828 .update_fw_options = qla24xx_update_fw_options,
1829 .load_risc = qla24xx_load_risc,
1830 .pci_info_str = qla24xx_pci_info_str,
1831 .fw_version_str = qla24xx_fw_version_str,
1832 .intr_handler = qla24xx_intr_handler,
1833 .enable_intrs = qla24xx_enable_intrs,
1834 .disable_intrs = qla24xx_disable_intrs,
1835 .abort_command = qla24xx_abort_command,
1836 .target_reset = qla24xx_abort_target,
1837 .lun_reset = qla24xx_lun_reset,
1838 .fabric_login = qla24xx_login_fabric,
1839 .fabric_logout = qla24xx_fabric_logout,
1840 .calc_req_entries = NULL,
1841 .build_iocbs = NULL,
1842 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1843 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1844 .read_nvram = qla25xx_read_nvram_data,
1845 .write_nvram = qla25xx_write_nvram_data,
1846 .fw_dump = qla25xx_fw_dump,
1847 .beacon_on = qla24xx_beacon_on,
1848 .beacon_off = qla24xx_beacon_off,
1849 .beacon_blink = qla24xx_beacon_blink,
1850 .read_optrom = qla25xx_read_optrom_data,
1851 .write_optrom = qla24xx_write_optrom_data,
1852 .get_flash_version = qla24xx_get_flash_version,
1853 .start_scsi = qla24xx_dif_start_scsi,
1854 .abort_isp = qla2x00_abort_isp,
1855 .iospace_config = qla2x00_iospace_config,
1856 .initialize_adapter = qla2x00_initialize_adapter,
1857 };
1858
1859 static struct isp_operations qla81xx_isp_ops = {
1860 .pci_config = qla25xx_pci_config,
1861 .reset_chip = qla24xx_reset_chip,
1862 .chip_diag = qla24xx_chip_diag,
1863 .config_rings = qla24xx_config_rings,
1864 .reset_adapter = qla24xx_reset_adapter,
1865 .nvram_config = qla81xx_nvram_config,
1866 .update_fw_options = qla81xx_update_fw_options,
1867 .load_risc = qla81xx_load_risc,
1868 .pci_info_str = qla24xx_pci_info_str,
1869 .fw_version_str = qla24xx_fw_version_str,
1870 .intr_handler = qla24xx_intr_handler,
1871 .enable_intrs = qla24xx_enable_intrs,
1872 .disable_intrs = qla24xx_disable_intrs,
1873 .abort_command = qla24xx_abort_command,
1874 .target_reset = qla24xx_abort_target,
1875 .lun_reset = qla24xx_lun_reset,
1876 .fabric_login = qla24xx_login_fabric,
1877 .fabric_logout = qla24xx_fabric_logout,
1878 .calc_req_entries = NULL,
1879 .build_iocbs = NULL,
1880 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1881 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1882 .read_nvram = NULL,
1883 .write_nvram = NULL,
1884 .fw_dump = qla81xx_fw_dump,
1885 .beacon_on = qla24xx_beacon_on,
1886 .beacon_off = qla24xx_beacon_off,
1887 .beacon_blink = qla83xx_beacon_blink,
1888 .read_optrom = qla25xx_read_optrom_data,
1889 .write_optrom = qla24xx_write_optrom_data,
1890 .get_flash_version = qla24xx_get_flash_version,
1891 .start_scsi = qla24xx_dif_start_scsi,
1892 .abort_isp = qla2x00_abort_isp,
1893 .iospace_config = qla2x00_iospace_config,
1894 .initialize_adapter = qla2x00_initialize_adapter,
1895 };
1896
1897 static struct isp_operations qla82xx_isp_ops = {
1898 .pci_config = qla82xx_pci_config,
1899 .reset_chip = qla82xx_reset_chip,
1900 .chip_diag = qla24xx_chip_diag,
1901 .config_rings = qla82xx_config_rings,
1902 .reset_adapter = qla24xx_reset_adapter,
1903 .nvram_config = qla81xx_nvram_config,
1904 .update_fw_options = qla24xx_update_fw_options,
1905 .load_risc = qla82xx_load_risc,
1906 .pci_info_str = qla24xx_pci_info_str,
1907 .fw_version_str = qla24xx_fw_version_str,
1908 .intr_handler = qla82xx_intr_handler,
1909 .enable_intrs = qla82xx_enable_intrs,
1910 .disable_intrs = qla82xx_disable_intrs,
1911 .abort_command = qla24xx_abort_command,
1912 .target_reset = qla24xx_abort_target,
1913 .lun_reset = qla24xx_lun_reset,
1914 .fabric_login = qla24xx_login_fabric,
1915 .fabric_logout = qla24xx_fabric_logout,
1916 .calc_req_entries = NULL,
1917 .build_iocbs = NULL,
1918 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1919 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1920 .read_nvram = qla24xx_read_nvram_data,
1921 .write_nvram = qla24xx_write_nvram_data,
1922 .fw_dump = qla82xx_fw_dump,
1923 .beacon_on = qla82xx_beacon_on,
1924 .beacon_off = qla82xx_beacon_off,
1925 .beacon_blink = NULL,
1926 .read_optrom = qla82xx_read_optrom_data,
1927 .write_optrom = qla82xx_write_optrom_data,
1928 .get_flash_version = qla82xx_get_flash_version,
1929 .start_scsi = qla82xx_start_scsi,
1930 .abort_isp = qla82xx_abort_isp,
1931 .iospace_config = qla82xx_iospace_config,
1932 .initialize_adapter = qla2x00_initialize_adapter,
1933 };
1934
1935 static struct isp_operations qla8044_isp_ops = {
1936 .pci_config = qla82xx_pci_config,
1937 .reset_chip = qla82xx_reset_chip,
1938 .chip_diag = qla24xx_chip_diag,
1939 .config_rings = qla82xx_config_rings,
1940 .reset_adapter = qla24xx_reset_adapter,
1941 .nvram_config = qla81xx_nvram_config,
1942 .update_fw_options = qla24xx_update_fw_options,
1943 .load_risc = qla82xx_load_risc,
1944 .pci_info_str = qla24xx_pci_info_str,
1945 .fw_version_str = qla24xx_fw_version_str,
1946 .intr_handler = qla8044_intr_handler,
1947 .enable_intrs = qla82xx_enable_intrs,
1948 .disable_intrs = qla82xx_disable_intrs,
1949 .abort_command = qla24xx_abort_command,
1950 .target_reset = qla24xx_abort_target,
1951 .lun_reset = qla24xx_lun_reset,
1952 .fabric_login = qla24xx_login_fabric,
1953 .fabric_logout = qla24xx_fabric_logout,
1954 .calc_req_entries = NULL,
1955 .build_iocbs = NULL,
1956 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1957 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1958 .read_nvram = NULL,
1959 .write_nvram = NULL,
1960 .fw_dump = qla8044_fw_dump,
1961 .beacon_on = qla82xx_beacon_on,
1962 .beacon_off = qla82xx_beacon_off,
1963 .beacon_blink = NULL,
1964 .read_optrom = qla8044_read_optrom_data,
1965 .write_optrom = qla8044_write_optrom_data,
1966 .get_flash_version = qla82xx_get_flash_version,
1967 .start_scsi = qla82xx_start_scsi,
1968 .abort_isp = qla8044_abort_isp,
1969 .iospace_config = qla82xx_iospace_config,
1970 .initialize_adapter = qla2x00_initialize_adapter,
1971 };
1972
1973 static struct isp_operations qla83xx_isp_ops = {
1974 .pci_config = qla25xx_pci_config,
1975 .reset_chip = qla24xx_reset_chip,
1976 .chip_diag = qla24xx_chip_diag,
1977 .config_rings = qla24xx_config_rings,
1978 .reset_adapter = qla24xx_reset_adapter,
1979 .nvram_config = qla81xx_nvram_config,
1980 .update_fw_options = qla81xx_update_fw_options,
1981 .load_risc = qla81xx_load_risc,
1982 .pci_info_str = qla24xx_pci_info_str,
1983 .fw_version_str = qla24xx_fw_version_str,
1984 .intr_handler = qla24xx_intr_handler,
1985 .enable_intrs = qla24xx_enable_intrs,
1986 .disable_intrs = qla24xx_disable_intrs,
1987 .abort_command = qla24xx_abort_command,
1988 .target_reset = qla24xx_abort_target,
1989 .lun_reset = qla24xx_lun_reset,
1990 .fabric_login = qla24xx_login_fabric,
1991 .fabric_logout = qla24xx_fabric_logout,
1992 .calc_req_entries = NULL,
1993 .build_iocbs = NULL,
1994 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1995 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1996 .read_nvram = NULL,
1997 .write_nvram = NULL,
1998 .fw_dump = qla83xx_fw_dump,
1999 .beacon_on = qla24xx_beacon_on,
2000 .beacon_off = qla24xx_beacon_off,
2001 .beacon_blink = qla83xx_beacon_blink,
2002 .read_optrom = qla25xx_read_optrom_data,
2003 .write_optrom = qla24xx_write_optrom_data,
2004 .get_flash_version = qla24xx_get_flash_version,
2005 .start_scsi = qla24xx_dif_start_scsi,
2006 .abort_isp = qla2x00_abort_isp,
2007 .iospace_config = qla83xx_iospace_config,
2008 .initialize_adapter = qla2x00_initialize_adapter,
2009 };
2010
2011 static struct isp_operations qlafx00_isp_ops = {
2012 .pci_config = qlafx00_pci_config,
2013 .reset_chip = qlafx00_soft_reset,
2014 .chip_diag = qlafx00_chip_diag,
2015 .config_rings = qlafx00_config_rings,
2016 .reset_adapter = qlafx00_soft_reset,
2017 .nvram_config = NULL,
2018 .update_fw_options = NULL,
2019 .load_risc = NULL,
2020 .pci_info_str = qlafx00_pci_info_str,
2021 .fw_version_str = qlafx00_fw_version_str,
2022 .intr_handler = qlafx00_intr_handler,
2023 .enable_intrs = qlafx00_enable_intrs,
2024 .disable_intrs = qlafx00_disable_intrs,
2025 .abort_command = qla24xx_async_abort_command,
2026 .target_reset = qlafx00_abort_target,
2027 .lun_reset = qlafx00_lun_reset,
2028 .fabric_login = NULL,
2029 .fabric_logout = NULL,
2030 .calc_req_entries = NULL,
2031 .build_iocbs = NULL,
2032 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2033 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2034 .read_nvram = qla24xx_read_nvram_data,
2035 .write_nvram = qla24xx_write_nvram_data,
2036 .fw_dump = NULL,
2037 .beacon_on = qla24xx_beacon_on,
2038 .beacon_off = qla24xx_beacon_off,
2039 .beacon_blink = NULL,
2040 .read_optrom = qla24xx_read_optrom_data,
2041 .write_optrom = qla24xx_write_optrom_data,
2042 .get_flash_version = qla24xx_get_flash_version,
2043 .start_scsi = qlafx00_start_scsi,
2044 .abort_isp = qlafx00_abort_isp,
2045 .iospace_config = qlafx00_iospace_config,
2046 .initialize_adapter = qlafx00_initialize_adapter,
2047 };
2048
2049 static struct isp_operations qla27xx_isp_ops = {
2050 .pci_config = qla25xx_pci_config,
2051 .reset_chip = qla24xx_reset_chip,
2052 .chip_diag = qla24xx_chip_diag,
2053 .config_rings = qla24xx_config_rings,
2054 .reset_adapter = qla24xx_reset_adapter,
2055 .nvram_config = qla81xx_nvram_config,
2056 .update_fw_options = qla81xx_update_fw_options,
2057 .load_risc = qla81xx_load_risc,
2058 .pci_info_str = qla24xx_pci_info_str,
2059 .fw_version_str = qla24xx_fw_version_str,
2060 .intr_handler = qla24xx_intr_handler,
2061 .enable_intrs = qla24xx_enable_intrs,
2062 .disable_intrs = qla24xx_disable_intrs,
2063 .abort_command = qla24xx_abort_command,
2064 .target_reset = qla24xx_abort_target,
2065 .lun_reset = qla24xx_lun_reset,
2066 .fabric_login = qla24xx_login_fabric,
2067 .fabric_logout = qla24xx_fabric_logout,
2068 .calc_req_entries = NULL,
2069 .build_iocbs = NULL,
2070 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2071 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2072 .read_nvram = NULL,
2073 .write_nvram = NULL,
2074 .fw_dump = qla27xx_fwdump,
2075 .beacon_on = qla24xx_beacon_on,
2076 .beacon_off = qla24xx_beacon_off,
2077 .beacon_blink = qla83xx_beacon_blink,
2078 .read_optrom = qla25xx_read_optrom_data,
2079 .write_optrom = qla24xx_write_optrom_data,
2080 .get_flash_version = qla24xx_get_flash_version,
2081 .start_scsi = qla24xx_dif_start_scsi,
2082 .abort_isp = qla2x00_abort_isp,
2083 .iospace_config = qla83xx_iospace_config,
2084 .initialize_adapter = qla2x00_initialize_adapter,
2085 };
2086
2087 static inline void
2088 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2089 {
2090 ha->device_type = DT_EXTENDED_IDS;
2091 switch (ha->pdev->device) {
2092 case PCI_DEVICE_ID_QLOGIC_ISP2100:
2093 ha->device_type |= DT_ISP2100;
2094 ha->device_type &= ~DT_EXTENDED_IDS;
2095 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2096 break;
2097 case PCI_DEVICE_ID_QLOGIC_ISP2200:
2098 ha->device_type |= DT_ISP2200;
2099 ha->device_type &= ~DT_EXTENDED_IDS;
2100 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2101 break;
2102 case PCI_DEVICE_ID_QLOGIC_ISP2300:
2103 ha->device_type |= DT_ISP2300;
2104 ha->device_type |= DT_ZIO_SUPPORTED;
2105 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2106 break;
2107 case PCI_DEVICE_ID_QLOGIC_ISP2312:
2108 ha->device_type |= DT_ISP2312;
2109 ha->device_type |= DT_ZIO_SUPPORTED;
2110 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2111 break;
2112 case PCI_DEVICE_ID_QLOGIC_ISP2322:
2113 ha->device_type |= DT_ISP2322;
2114 ha->device_type |= DT_ZIO_SUPPORTED;
2115 if (ha->pdev->subsystem_vendor == 0x1028 &&
2116 ha->pdev->subsystem_device == 0x0170)
2117 ha->device_type |= DT_OEM_001;
2118 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2119 break;
2120 case PCI_DEVICE_ID_QLOGIC_ISP6312:
2121 ha->device_type |= DT_ISP6312;
2122 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2123 break;
2124 case PCI_DEVICE_ID_QLOGIC_ISP6322:
2125 ha->device_type |= DT_ISP6322;
2126 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2127 break;
2128 case PCI_DEVICE_ID_QLOGIC_ISP2422:
2129 ha->device_type |= DT_ISP2422;
2130 ha->device_type |= DT_ZIO_SUPPORTED;
2131 ha->device_type |= DT_FWI2;
2132 ha->device_type |= DT_IIDMA;
2133 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2134 break;
2135 case PCI_DEVICE_ID_QLOGIC_ISP2432:
2136 ha->device_type |= DT_ISP2432;
2137 ha->device_type |= DT_ZIO_SUPPORTED;
2138 ha->device_type |= DT_FWI2;
2139 ha->device_type |= DT_IIDMA;
2140 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2141 break;
2142 case PCI_DEVICE_ID_QLOGIC_ISP8432:
2143 ha->device_type |= DT_ISP8432;
2144 ha->device_type |= DT_ZIO_SUPPORTED;
2145 ha->device_type |= DT_FWI2;
2146 ha->device_type |= DT_IIDMA;
2147 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2148 break;
2149 case PCI_DEVICE_ID_QLOGIC_ISP5422:
2150 ha->device_type |= DT_ISP5422;
2151 ha->device_type |= DT_FWI2;
2152 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2153 break;
2154 case PCI_DEVICE_ID_QLOGIC_ISP5432:
2155 ha->device_type |= DT_ISP5432;
2156 ha->device_type |= DT_FWI2;
2157 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2158 break;
2159 case PCI_DEVICE_ID_QLOGIC_ISP2532:
2160 ha->device_type |= DT_ISP2532;
2161 ha->device_type |= DT_ZIO_SUPPORTED;
2162 ha->device_type |= DT_FWI2;
2163 ha->device_type |= DT_IIDMA;
2164 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2165 break;
2166 case PCI_DEVICE_ID_QLOGIC_ISP8001:
2167 ha->device_type |= DT_ISP8001;
2168 ha->device_type |= DT_ZIO_SUPPORTED;
2169 ha->device_type |= DT_FWI2;
2170 ha->device_type |= DT_IIDMA;
2171 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2172 break;
2173 case PCI_DEVICE_ID_QLOGIC_ISP8021:
2174 ha->device_type |= DT_ISP8021;
2175 ha->device_type |= DT_ZIO_SUPPORTED;
2176 ha->device_type |= DT_FWI2;
2177 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2178 /* Initialize 82XX ISP flags */
2179 qla82xx_init_flags(ha);
2180 break;
2181 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2182 ha->device_type |= DT_ISP8044;
2183 ha->device_type |= DT_ZIO_SUPPORTED;
2184 ha->device_type |= DT_FWI2;
2185 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2186 /* Initialize 82XX ISP flags */
2187 qla82xx_init_flags(ha);
2188 break;
2189 case PCI_DEVICE_ID_QLOGIC_ISP2031:
2190 ha->device_type |= DT_ISP2031;
2191 ha->device_type |= DT_ZIO_SUPPORTED;
2192 ha->device_type |= DT_FWI2;
2193 ha->device_type |= DT_IIDMA;
2194 ha->device_type |= DT_T10_PI;
2195 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2196 break;
2197 case PCI_DEVICE_ID_QLOGIC_ISP8031:
2198 ha->device_type |= DT_ISP8031;
2199 ha->device_type |= DT_ZIO_SUPPORTED;
2200 ha->device_type |= DT_FWI2;
2201 ha->device_type |= DT_IIDMA;
2202 ha->device_type |= DT_T10_PI;
2203 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2204 break;
2205 case PCI_DEVICE_ID_QLOGIC_ISPF001:
2206 ha->device_type |= DT_ISPFX00;
2207 break;
2208 case PCI_DEVICE_ID_QLOGIC_ISP2071:
2209 ha->device_type |= DT_ISP2071;
2210 ha->device_type |= DT_ZIO_SUPPORTED;
2211 ha->device_type |= DT_FWI2;
2212 ha->device_type |= DT_IIDMA;
2213 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2214 break;
2215 case PCI_DEVICE_ID_QLOGIC_ISP2271:
2216 ha->device_type |= DT_ISP2271;
2217 ha->device_type |= DT_ZIO_SUPPORTED;
2218 ha->device_type |= DT_FWI2;
2219 ha->device_type |= DT_IIDMA;
2220 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2221 break;
2222 }
2223
2224 if (IS_QLA82XX(ha))
2225 ha->port_no = ha->portnum & 1;
2226 else {
2227 /* Get adapter physical port no from interrupt pin register. */
2228 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2229 if (IS_QLA27XX(ha))
2230 ha->port_no--;
2231 else
2232 ha->port_no = !(ha->port_no & 1);
2233 }
2234
2235 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2236 "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2237 ha->device_type, ha->port_no, ha->fw_srisc_address);
2238 }
2239
2240 static void
2241 qla2xxx_scan_start(struct Scsi_Host *shost)
2242 {
2243 scsi_qla_host_t *vha = shost_priv(shost);
2244
2245 if (vha->hw->flags.running_gold_fw)
2246 return;
2247
2248 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2249 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2250 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2251 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2252 }
2253
2254 static int
2255 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2256 {
2257 scsi_qla_host_t *vha = shost_priv(shost);
2258
2259 if (!vha->host)
2260 return 1;
2261 if (time > vha->hw->loop_reset_delay * HZ)
2262 return 1;
2263
2264 return atomic_read(&vha->loop_state) == LOOP_READY;
2265 }
2266
2267 /*
2268 * PCI driver interface
2269 */
2270 static int
2271 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2272 {
2273 int ret = -ENODEV;
2274 struct Scsi_Host *host;
2275 scsi_qla_host_t *base_vha = NULL;
2276 struct qla_hw_data *ha;
2277 char pci_info[30];
2278 char fw_str[30], wq_name[30];
2279 struct scsi_host_template *sht;
2280 int bars, mem_only = 0;
2281 uint16_t req_length = 0, rsp_length = 0;
2282 struct req_que *req = NULL;
2283 struct rsp_que *rsp = NULL;
2284 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2285 sht = &qla2xxx_driver_template;
2286 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2287 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2288 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2289 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2290 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2291 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2292 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2293 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2294 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2295 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2296 pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2297 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2298 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2299 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271) {
2300 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2301 mem_only = 1;
2302 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2303 "Mem only adapter.\n");
2304 }
2305 ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2306 "Bars=%d.\n", bars);
2307
2308 if (mem_only) {
2309 if (pci_enable_device_mem(pdev))
2310 goto probe_out;
2311 } else {
2312 if (pci_enable_device(pdev))
2313 goto probe_out;
2314 }
2315
2316 /* This may fail but that's ok */
2317 pci_enable_pcie_error_reporting(pdev);
2318
2319 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2320 if (!ha) {
2321 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2322 "Unable to allocate memory for ha.\n");
2323 goto probe_out;
2324 }
2325 ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2326 "Memory allocated for ha=%p.\n", ha);
2327 ha->pdev = pdev;
2328 ha->tgt.enable_class_2 = ql2xenableclass2;
2329 INIT_LIST_HEAD(&ha->tgt.q_full_list);
2330 spin_lock_init(&ha->tgt.q_full_lock);
2331
2332 /* Clear our data area */
2333 ha->bars = bars;
2334 ha->mem_only = mem_only;
2335 spin_lock_init(&ha->hardware_lock);
2336 spin_lock_init(&ha->vport_slock);
2337 mutex_init(&ha->selflogin_lock);
2338 mutex_init(&ha->optrom_mutex);
2339
2340 /* Set ISP-type information. */
2341 qla2x00_set_isp_flags(ha);
2342
2343 /* Set EEH reset type to fundamental if required by hba */
2344 if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2345 IS_QLA83XX(ha) || IS_QLA27XX(ha))
2346 pdev->needs_freset = 1;
2347
2348 ha->prev_topology = 0;
2349 ha->init_cb_size = sizeof(init_cb_t);
2350 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2351 ha->optrom_size = OPTROM_SIZE_2300;
2352
2353 /* Assign ISP specific operations. */
2354 if (IS_QLA2100(ha)) {
2355 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2356 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2357 req_length = REQUEST_ENTRY_CNT_2100;
2358 rsp_length = RESPONSE_ENTRY_CNT_2100;
2359 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2360 ha->gid_list_info_size = 4;
2361 ha->flash_conf_off = ~0;
2362 ha->flash_data_off = ~0;
2363 ha->nvram_conf_off = ~0;
2364 ha->nvram_data_off = ~0;
2365 ha->isp_ops = &qla2100_isp_ops;
2366 } else if (IS_QLA2200(ha)) {
2367 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2368 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2369 req_length = REQUEST_ENTRY_CNT_2200;
2370 rsp_length = RESPONSE_ENTRY_CNT_2100;
2371 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2372 ha->gid_list_info_size = 4;
2373 ha->flash_conf_off = ~0;
2374 ha->flash_data_off = ~0;
2375 ha->nvram_conf_off = ~0;
2376 ha->nvram_data_off = ~0;
2377 ha->isp_ops = &qla2100_isp_ops;
2378 } else if (IS_QLA23XX(ha)) {
2379 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2380 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2381 req_length = REQUEST_ENTRY_CNT_2200;
2382 rsp_length = RESPONSE_ENTRY_CNT_2300;
2383 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2384 ha->gid_list_info_size = 6;
2385 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2386 ha->optrom_size = OPTROM_SIZE_2322;
2387 ha->flash_conf_off = ~0;
2388 ha->flash_data_off = ~0;
2389 ha->nvram_conf_off = ~0;
2390 ha->nvram_data_off = ~0;
2391 ha->isp_ops = &qla2300_isp_ops;
2392 } else if (IS_QLA24XX_TYPE(ha)) {
2393 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2394 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2395 req_length = REQUEST_ENTRY_CNT_24XX;
2396 rsp_length = RESPONSE_ENTRY_CNT_2300;
2397 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2398 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2399 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2400 ha->gid_list_info_size = 8;
2401 ha->optrom_size = OPTROM_SIZE_24XX;
2402 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2403 ha->isp_ops = &qla24xx_isp_ops;
2404 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2405 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2406 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2407 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2408 } else if (IS_QLA25XX(ha)) {
2409 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2410 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2411 req_length = REQUEST_ENTRY_CNT_24XX;
2412 rsp_length = RESPONSE_ENTRY_CNT_2300;
2413 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2414 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2415 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2416 ha->gid_list_info_size = 8;
2417 ha->optrom_size = OPTROM_SIZE_25XX;
2418 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2419 ha->isp_ops = &qla25xx_isp_ops;
2420 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2421 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2422 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2423 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2424 } else if (IS_QLA81XX(ha)) {
2425 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2426 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2427 req_length = REQUEST_ENTRY_CNT_24XX;
2428 rsp_length = RESPONSE_ENTRY_CNT_2300;
2429 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2430 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2431 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2432 ha->gid_list_info_size = 8;
2433 ha->optrom_size = OPTROM_SIZE_81XX;
2434 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2435 ha->isp_ops = &qla81xx_isp_ops;
2436 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2437 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2438 ha->nvram_conf_off = ~0;
2439 ha->nvram_data_off = ~0;
2440 } else if (IS_QLA82XX(ha)) {
2441 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2442 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2443 req_length = REQUEST_ENTRY_CNT_82XX;
2444 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2445 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2446 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2447 ha->gid_list_info_size = 8;
2448 ha->optrom_size = OPTROM_SIZE_82XX;
2449 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2450 ha->isp_ops = &qla82xx_isp_ops;
2451 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2452 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2453 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2454 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2455 } else if (IS_QLA8044(ha)) {
2456 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2457 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2458 req_length = REQUEST_ENTRY_CNT_82XX;
2459 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2460 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2461 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2462 ha->gid_list_info_size = 8;
2463 ha->optrom_size = OPTROM_SIZE_83XX;
2464 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2465 ha->isp_ops = &qla8044_isp_ops;
2466 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2467 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2468 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2469 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2470 } else if (IS_QLA83XX(ha)) {
2471 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2472 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2473 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2474 req_length = REQUEST_ENTRY_CNT_83XX;
2475 rsp_length = RESPONSE_ENTRY_CNT_2300;
2476 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2477 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2478 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2479 ha->gid_list_info_size = 8;
2480 ha->optrom_size = OPTROM_SIZE_83XX;
2481 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2482 ha->isp_ops = &qla83xx_isp_ops;
2483 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2484 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2485 ha->nvram_conf_off = ~0;
2486 ha->nvram_data_off = ~0;
2487 } else if (IS_QLAFX00(ha)) {
2488 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2489 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2490 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2491 req_length = REQUEST_ENTRY_CNT_FX00;
2492 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2493 ha->isp_ops = &qlafx00_isp_ops;
2494 ha->port_down_retry_count = 30; /* default value */
2495 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2496 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2497 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2498 ha->mr.fw_hbt_en = 1;
2499 ha->mr.host_info_resend = false;
2500 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2501 } else if (IS_QLA27XX(ha)) {
2502 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2503 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2504 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2505 req_length = REQUEST_ENTRY_CNT_24XX;
2506 rsp_length = RESPONSE_ENTRY_CNT_2300;
2507 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2508 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2509 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2510 ha->gid_list_info_size = 8;
2511 ha->optrom_size = OPTROM_SIZE_83XX;
2512 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2513 ha->isp_ops = &qla27xx_isp_ops;
2514 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2515 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2516 ha->nvram_conf_off = ~0;
2517 ha->nvram_data_off = ~0;
2518 }
2519
2520 ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2521 "mbx_count=%d, req_length=%d, "
2522 "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2523 "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2524 "max_fibre_devices=%d.\n",
2525 ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2526 ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2527 ha->nvram_npiv_size, ha->max_fibre_devices);
2528 ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2529 "isp_ops=%p, flash_conf_off=%d, "
2530 "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2531 ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2532 ha->nvram_conf_off, ha->nvram_data_off);
2533
2534 /* Configure PCI I/O space */
2535 ret = ha->isp_ops->iospace_config(ha);
2536 if (ret)
2537 goto iospace_config_failed;
2538
2539 ql_log_pci(ql_log_info, pdev, 0x001d,
2540 "Found an ISP%04X irq %d iobase 0x%p.\n",
2541 pdev->device, pdev->irq, ha->iobase);
2542 mutex_init(&ha->vport_lock);
2543 init_completion(&ha->mbx_cmd_comp);
2544 complete(&ha->mbx_cmd_comp);
2545 init_completion(&ha->mbx_intr_comp);
2546 init_completion(&ha->dcbx_comp);
2547 init_completion(&ha->lb_portup_comp);
2548
2549 set_bit(0, (unsigned long *) ha->vp_idx_map);
2550
2551 qla2x00_config_dma_addressing(ha);
2552 ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2553 "64 Bit addressing is %s.\n",
2554 ha->flags.enable_64bit_addressing ? "enable" :
2555 "disable");
2556 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2557 if (ret) {
2558 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2559 "Failed to allocate memory for adapter, aborting.\n");
2560
2561 goto probe_hw_failed;
2562 }
2563
2564 req->max_q_depth = MAX_Q_DEPTH;
2565 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2566 req->max_q_depth = ql2xmaxqdepth;
2567
2568
2569 base_vha = qla2x00_create_host(sht, ha);
2570 if (!base_vha) {
2571 ret = -ENOMEM;
2572 qla2x00_mem_free(ha);
2573 qla2x00_free_req_que(ha, req);
2574 qla2x00_free_rsp_que(ha, rsp);
2575 goto probe_hw_failed;
2576 }
2577
2578 pci_set_drvdata(pdev, base_vha);
2579 set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2580
2581 host = base_vha->host;
2582 base_vha->req = req;
2583 if (IS_QLA2XXX_MIDTYPE(ha))
2584 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2585 else
2586 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2587 base_vha->vp_idx;
2588
2589 /* Setup fcport template structure. */
2590 ha->mr.fcport.vha = base_vha;
2591 ha->mr.fcport.port_type = FCT_UNKNOWN;
2592 ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2593 qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2594 ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2595 ha->mr.fcport.scan_state = 1;
2596
2597 /* Set the SG table size based on ISP type */
2598 if (!IS_FWI2_CAPABLE(ha)) {
2599 if (IS_QLA2100(ha))
2600 host->sg_tablesize = 32;
2601 } else {
2602 if (!IS_QLA82XX(ha))
2603 host->sg_tablesize = QLA_SG_ALL;
2604 }
2605 host->max_id = ha->max_fibre_devices;
2606 host->cmd_per_lun = 3;
2607 host->unique_id = host->host_no;
2608 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2609 host->max_cmd_len = 32;
2610 else
2611 host->max_cmd_len = MAX_CMDSZ;
2612 host->max_channel = MAX_BUSES - 1;
2613 /* Older HBAs support only 16-bit LUNs */
2614 if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2615 ql2xmaxlun > 0xffff)
2616 host->max_lun = 0xffff;
2617 else
2618 host->max_lun = ql2xmaxlun;
2619 host->transportt = qla2xxx_transport_template;
2620 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2621
2622 ql_dbg(ql_dbg_init, base_vha, 0x0033,
2623 "max_id=%d this_id=%d "
2624 "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2625 "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2626 host->this_id, host->cmd_per_lun, host->unique_id,
2627 host->max_cmd_len, host->max_channel, host->max_lun,
2628 host->transportt, sht->vendor_id);
2629
2630 que_init:
2631 /* Alloc arrays of request and response ring ptrs */
2632 if (!qla2x00_alloc_queues(ha, req, rsp)) {
2633 ql_log(ql_log_fatal, base_vha, 0x003d,
2634 "Failed to allocate memory for queue pointers..."
2635 "aborting.\n");
2636 goto probe_init_failed;
2637 }
2638
2639 qlt_probe_one_stage1(base_vha, ha);
2640
2641 /* Set up the irqs */
2642 ret = qla2x00_request_irqs(ha, rsp);
2643 if (ret)
2644 goto probe_init_failed;
2645
2646 pci_save_state(pdev);
2647
2648 /* Assign back pointers */
2649 rsp->req = req;
2650 req->rsp = rsp;
2651
2652 if (IS_QLAFX00(ha)) {
2653 ha->rsp_q_map[0] = rsp;
2654 ha->req_q_map[0] = req;
2655 set_bit(0, ha->req_qid_map);
2656 set_bit(0, ha->rsp_qid_map);
2657 }
2658
2659 /* FWI2-capable only. */
2660 req->req_q_in = &ha->iobase->isp24.req_q_in;
2661 req->req_q_out = &ha->iobase->isp24.req_q_out;
2662 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2663 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2664 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2665 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2666 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2667 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2668 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2669 }
2670
2671 if (IS_QLAFX00(ha)) {
2672 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2673 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2674 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2675 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2676 }
2677
2678 if (IS_P3P_TYPE(ha)) {
2679 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2680 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2681 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2682 }
2683
2684 ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2685 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2686 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2687 ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2688 "req->req_q_in=%p req->req_q_out=%p "
2689 "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2690 req->req_q_in, req->req_q_out,
2691 rsp->rsp_q_in, rsp->rsp_q_out);
2692 ql_dbg(ql_dbg_init, base_vha, 0x003e,
2693 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2694 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2695 ql_dbg(ql_dbg_init, base_vha, 0x003f,
2696 "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2697 req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2698
2699 if (ha->isp_ops->initialize_adapter(base_vha)) {
2700 ql_log(ql_log_fatal, base_vha, 0x00d6,
2701 "Failed to initialize adapter - Adapter flags %x.\n",
2702 base_vha->device_flags);
2703
2704 if (IS_QLA82XX(ha)) {
2705 qla82xx_idc_lock(ha);
2706 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2707 QLA8XXX_DEV_FAILED);
2708 qla82xx_idc_unlock(ha);
2709 ql_log(ql_log_fatal, base_vha, 0x00d7,
2710 "HW State: FAILED.\n");
2711 } else if (IS_QLA8044(ha)) {
2712 qla8044_idc_lock(ha);
2713 qla8044_wr_direct(base_vha,
2714 QLA8044_CRB_DEV_STATE_INDEX,
2715 QLA8XXX_DEV_FAILED);
2716 qla8044_idc_unlock(ha);
2717 ql_log(ql_log_fatal, base_vha, 0x0150,
2718 "HW State: FAILED.\n");
2719 }
2720
2721 ret = -ENODEV;
2722 goto probe_failed;
2723 }
2724
2725 if (IS_QLAFX00(ha))
2726 host->can_queue = QLAFX00_MAX_CANQUEUE;
2727 else
2728 host->can_queue = req->num_outstanding_cmds - 10;
2729
2730 ql_dbg(ql_dbg_init, base_vha, 0x0032,
2731 "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2732 host->can_queue, base_vha->req,
2733 base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2734
2735 if (ha->mqenable) {
2736 if (qla25xx_setup_mode(base_vha)) {
2737 ql_log(ql_log_warn, base_vha, 0x00ec,
2738 "Failed to create queues, falling back to single queue mode.\n");
2739 goto que_init;
2740 }
2741 }
2742
2743 if (ha->flags.running_gold_fw)
2744 goto skip_dpc;
2745
2746 /*
2747 * Startup the kernel thread for this host adapter
2748 */
2749 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2750 "%s_dpc", base_vha->host_str);
2751 if (IS_ERR(ha->dpc_thread)) {
2752 ql_log(ql_log_fatal, base_vha, 0x00ed,
2753 "Failed to start DPC thread.\n");
2754 ret = PTR_ERR(ha->dpc_thread);
2755 goto probe_failed;
2756 }
2757 ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2758 "DPC thread started successfully.\n");
2759
2760 /*
2761 * If we're not coming up in initiator mode, we might sit for
2762 * a while without waking up the dpc thread, which leads to a
2763 * stuck process warning. So just kick the dpc once here and
2764 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2765 */
2766 qla2xxx_wake_dpc(base_vha);
2767
2768 INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2769
2770 if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2771 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2772 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2773 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2774
2775 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2776 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2777 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2778 INIT_WORK(&ha->idc_state_handler,
2779 qla83xx_idc_state_handler_work);
2780 INIT_WORK(&ha->nic_core_unrecoverable,
2781 qla83xx_nic_core_unrecoverable_work);
2782 }
2783
2784 skip_dpc:
2785 list_add_tail(&base_vha->list, &ha->vp_list);
2786 base_vha->host->irq = ha->pdev->irq;
2787
2788 /* Initialized the timer */
2789 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2790 ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2791 "Started qla2x00_timer with "
2792 "interval=%d.\n", WATCH_INTERVAL);
2793 ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2794 "Detected hba at address=%p.\n",
2795 ha);
2796
2797 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2798 if (ha->fw_attributes & BIT_4) {
2799 int prot = 0, guard;
2800 base_vha->flags.difdix_supported = 1;
2801 ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2802 "Registering for DIF/DIX type 1 and 3 protection.\n");
2803 if (ql2xenabledif == 1)
2804 prot = SHOST_DIX_TYPE0_PROTECTION;
2805 scsi_host_set_prot(host,
2806 prot | SHOST_DIF_TYPE1_PROTECTION
2807 | SHOST_DIF_TYPE2_PROTECTION
2808 | SHOST_DIF_TYPE3_PROTECTION
2809 | SHOST_DIX_TYPE1_PROTECTION
2810 | SHOST_DIX_TYPE2_PROTECTION
2811 | SHOST_DIX_TYPE3_PROTECTION);
2812
2813 guard = SHOST_DIX_GUARD_CRC;
2814
2815 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2816 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2817 guard |= SHOST_DIX_GUARD_IP;
2818
2819 scsi_host_set_guard(host, guard);
2820 } else
2821 base_vha->flags.difdix_supported = 0;
2822 }
2823
2824 ha->isp_ops->enable_intrs(ha);
2825
2826 if (IS_QLAFX00(ha)) {
2827 ret = qlafx00_fx_disc(base_vha,
2828 &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2829 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2830 QLA_SG_ALL : 128;
2831 }
2832
2833 ret = scsi_add_host(host, &pdev->dev);
2834 if (ret)
2835 goto probe_failed;
2836
2837 base_vha->flags.init_done = 1;
2838 base_vha->flags.online = 1;
2839 ha->prev_minidump_failed = 0;
2840
2841 ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2842 "Init done and hba is online.\n");
2843
2844 if (qla_ini_mode_enabled(base_vha))
2845 scsi_scan_host(host);
2846 else
2847 ql_dbg(ql_dbg_init, base_vha, 0x0122,
2848 "skipping scsi_scan_host() for non-initiator port\n");
2849
2850 qla2x00_alloc_sysfs_attr(base_vha);
2851
2852 if (IS_QLAFX00(ha)) {
2853 ret = qlafx00_fx_disc(base_vha,
2854 &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2855
2856 /* Register system information */
2857 ret = qlafx00_fx_disc(base_vha,
2858 &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2859 }
2860
2861 qla2x00_init_host_attr(base_vha);
2862
2863 qla2x00_dfs_setup(base_vha);
2864
2865 ql_log(ql_log_info, base_vha, 0x00fb,
2866 "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2867 ql_log(ql_log_info, base_vha, 0x00fc,
2868 "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2869 pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2870 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2871 base_vha->host_no,
2872 ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2873
2874 qlt_add_target(ha, base_vha);
2875
2876 clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2877 return 0;
2878
2879 probe_init_failed:
2880 qla2x00_free_req_que(ha, req);
2881 ha->req_q_map[0] = NULL;
2882 clear_bit(0, ha->req_qid_map);
2883 qla2x00_free_rsp_que(ha, rsp);
2884 ha->rsp_q_map[0] = NULL;
2885 clear_bit(0, ha->rsp_qid_map);
2886 ha->max_req_queues = ha->max_rsp_queues = 0;
2887
2888 probe_failed:
2889 if (base_vha->timer_active)
2890 qla2x00_stop_timer(base_vha);
2891 base_vha->flags.online = 0;
2892 if (ha->dpc_thread) {
2893 struct task_struct *t = ha->dpc_thread;
2894
2895 ha->dpc_thread = NULL;
2896 kthread_stop(t);
2897 }
2898
2899 qla2x00_free_device(base_vha);
2900
2901 scsi_host_put(base_vha->host);
2902
2903 probe_hw_failed:
2904 qla2x00_clear_drv_active(ha);
2905
2906 iospace_config_failed:
2907 if (IS_P3P_TYPE(ha)) {
2908 if (!ha->nx_pcibase)
2909 iounmap((device_reg_t *)ha->nx_pcibase);
2910 if (!ql2xdbwr)
2911 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2912 } else {
2913 if (ha->iobase)
2914 iounmap(ha->iobase);
2915 if (ha->cregbase)
2916 iounmap(ha->cregbase);
2917 }
2918 pci_release_selected_regions(ha->pdev, ha->bars);
2919 kfree(ha);
2920 ha = NULL;
2921
2922 probe_out:
2923 pci_disable_device(pdev);
2924 return ret;
2925 }
2926
2927 static void
2928 qla2x00_shutdown(struct pci_dev *pdev)
2929 {
2930 scsi_qla_host_t *vha;
2931 struct qla_hw_data *ha;
2932
2933 if (!atomic_read(&pdev->enable_cnt))
2934 return;
2935
2936 vha = pci_get_drvdata(pdev);
2937 ha = vha->hw;
2938
2939 /* Notify ISPFX00 firmware */
2940 if (IS_QLAFX00(ha))
2941 qlafx00_driver_shutdown(vha, 20);
2942
2943 /* Turn-off FCE trace */
2944 if (ha->flags.fce_enabled) {
2945 qla2x00_disable_fce_trace(vha, NULL, NULL);
2946 ha->flags.fce_enabled = 0;
2947 }
2948
2949 /* Turn-off EFT trace */
2950 if (ha->eft)
2951 qla2x00_disable_eft_trace(vha);
2952
2953 /* Stop currently executing firmware. */
2954 qla2x00_try_to_stop_firmware(vha);
2955
2956 /* Turn adapter off line */
2957 vha->flags.online = 0;
2958
2959 /* turn-off interrupts on the card */
2960 if (ha->interrupts_on) {
2961 vha->flags.init_done = 0;
2962 ha->isp_ops->disable_intrs(ha);
2963 }
2964
2965 qla2x00_free_irqs(vha);
2966
2967 qla2x00_free_fw_dump(ha);
2968
2969 pci_disable_pcie_error_reporting(pdev);
2970 pci_disable_device(pdev);
2971 }
2972
2973 /* Deletes all the virtual ports for a given ha */
2974 static void
2975 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
2976 {
2977 struct Scsi_Host *scsi_host;
2978 scsi_qla_host_t *vha;
2979 unsigned long flags;
2980
2981 mutex_lock(&ha->vport_lock);
2982 while (ha->cur_vport_count) {
2983 spin_lock_irqsave(&ha->vport_slock, flags);
2984
2985 BUG_ON(base_vha->list.next == &ha->vp_list);
2986 /* This assumes first entry in ha->vp_list is always base vha */
2987 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2988 scsi_host = scsi_host_get(vha->host);
2989
2990 spin_unlock_irqrestore(&ha->vport_slock, flags);
2991 mutex_unlock(&ha->vport_lock);
2992
2993 fc_vport_terminate(vha->fc_vport);
2994 scsi_host_put(vha->host);
2995
2996 mutex_lock(&ha->vport_lock);
2997 }
2998 mutex_unlock(&ha->vport_lock);
2999 }
3000
3001 /* Stops all deferred work threads */
3002 static void
3003 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3004 {
3005 /* Flush the work queue and remove it */
3006 if (ha->wq) {
3007 flush_workqueue(ha->wq);
3008 destroy_workqueue(ha->wq);
3009 ha->wq = NULL;
3010 }
3011
3012 /* Cancel all work and destroy DPC workqueues */
3013 if (ha->dpc_lp_wq) {
3014 cancel_work_sync(&ha->idc_aen);
3015 destroy_workqueue(ha->dpc_lp_wq);
3016 ha->dpc_lp_wq = NULL;
3017 }
3018
3019 if (ha->dpc_hp_wq) {
3020 cancel_work_sync(&ha->nic_core_reset);
3021 cancel_work_sync(&ha->idc_state_handler);
3022 cancel_work_sync(&ha->nic_core_unrecoverable);
3023 destroy_workqueue(ha->dpc_hp_wq);
3024 ha->dpc_hp_wq = NULL;
3025 }
3026
3027 /* Kill the kernel thread for this host */
3028 if (ha->dpc_thread) {
3029 struct task_struct *t = ha->dpc_thread;
3030
3031 /*
3032 * qla2xxx_wake_dpc checks for ->dpc_thread
3033 * so we need to zero it out.
3034 */
3035 ha->dpc_thread = NULL;
3036 kthread_stop(t);
3037 }
3038 }
3039
3040 static void
3041 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3042 {
3043 if (IS_QLA82XX(ha)) {
3044
3045 iounmap((device_reg_t *)ha->nx_pcibase);
3046 if (!ql2xdbwr)
3047 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3048 } else {
3049 if (ha->iobase)
3050 iounmap(ha->iobase);
3051
3052 if (ha->cregbase)
3053 iounmap(ha->cregbase);
3054
3055 if (ha->mqiobase)
3056 iounmap(ha->mqiobase);
3057
3058 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3059 iounmap(ha->msixbase);
3060 }
3061 }
3062
3063 static void
3064 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3065 {
3066 if (IS_QLA8044(ha)) {
3067 qla8044_idc_lock(ha);
3068 qla8044_clear_drv_active(ha);
3069 qla8044_idc_unlock(ha);
3070 } else if (IS_QLA82XX(ha)) {
3071 qla82xx_idc_lock(ha);
3072 qla82xx_clear_drv_active(ha);
3073 qla82xx_idc_unlock(ha);
3074 }
3075 }
3076
3077 static void
3078 qla2x00_remove_one(struct pci_dev *pdev)
3079 {
3080 scsi_qla_host_t *base_vha;
3081 struct qla_hw_data *ha;
3082
3083 base_vha = pci_get_drvdata(pdev);
3084 ha = base_vha->hw;
3085
3086 /* Indicate device removal to prevent future board_disable and wait
3087 * until any pending board_disable has completed. */
3088 set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3089 cancel_work_sync(&ha->board_disable);
3090
3091 /*
3092 * If the PCI device is disabled then there was a PCI-disconnect and
3093 * qla2x00_disable_board_on_pci_error has taken care of most of the
3094 * resources.
3095 */
3096 if (!atomic_read(&pdev->enable_cnt)) {
3097 scsi_host_put(base_vha->host);
3098 kfree(ha);
3099 pci_set_drvdata(pdev, NULL);
3100 return;
3101 }
3102
3103 qla2x00_wait_for_hba_ready(base_vha);
3104
3105 set_bit(UNLOADING, &base_vha->dpc_flags);
3106
3107 if (IS_QLAFX00(ha))
3108 qlafx00_driver_shutdown(base_vha, 20);
3109
3110 qla2x00_delete_all_vps(ha, base_vha);
3111
3112 if (IS_QLA8031(ha)) {
3113 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3114 "Clearing fcoe driver presence.\n");
3115 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3116 ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3117 "Error while clearing DRV-Presence.\n");
3118 }
3119
3120 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3121
3122 qla2x00_dfs_remove(base_vha);
3123
3124 qla84xx_put_chip(base_vha);
3125
3126 /* Laser should be disabled only for ISP2031 */
3127 if (IS_QLA2031(ha))
3128 qla83xx_disable_laser(base_vha);
3129
3130 /* Disable timer */
3131 if (base_vha->timer_active)
3132 qla2x00_stop_timer(base_vha);
3133
3134 base_vha->flags.online = 0;
3135
3136 qla2x00_destroy_deferred_work(ha);
3137
3138 qlt_remove_target(ha, base_vha);
3139
3140 qla2x00_free_sysfs_attr(base_vha, true);
3141
3142 fc_remove_host(base_vha->host);
3143
3144 scsi_remove_host(base_vha->host);
3145
3146 qla2x00_free_device(base_vha);
3147
3148 qla2x00_clear_drv_active(ha);
3149
3150 scsi_host_put(base_vha->host);
3151
3152 qla2x00_unmap_iobases(ha);
3153
3154 pci_release_selected_regions(ha->pdev, ha->bars);
3155 kfree(ha);
3156 ha = NULL;
3157
3158 pci_disable_pcie_error_reporting(pdev);
3159
3160 pci_disable_device(pdev);
3161 }
3162
3163 static void
3164 qla2x00_free_device(scsi_qla_host_t *vha)
3165 {
3166 struct qla_hw_data *ha = vha->hw;
3167
3168 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3169
3170 /* Disable timer */
3171 if (vha->timer_active)
3172 qla2x00_stop_timer(vha);
3173
3174 qla25xx_delete_queues(vha);
3175
3176 if (ha->flags.fce_enabled)
3177 qla2x00_disable_fce_trace(vha, NULL, NULL);
3178
3179 if (ha->eft)
3180 qla2x00_disable_eft_trace(vha);
3181
3182 /* Stop currently executing firmware. */
3183 qla2x00_try_to_stop_firmware(vha);
3184
3185 vha->flags.online = 0;
3186
3187 /* turn-off interrupts on the card */
3188 if (ha->interrupts_on) {
3189 vha->flags.init_done = 0;
3190 ha->isp_ops->disable_intrs(ha);
3191 }
3192
3193 qla2x00_free_irqs(vha);
3194
3195 qla2x00_free_fcports(vha);
3196
3197 qla2x00_mem_free(ha);
3198
3199 qla82xx_md_free(vha);
3200
3201 qla2x00_free_queues(ha);
3202 }
3203
3204 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3205 {
3206 fc_port_t *fcport, *tfcport;
3207
3208 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3209 list_del(&fcport->list);
3210 qla2x00_clear_loop_id(fcport);
3211 kfree(fcport);
3212 fcport = NULL;
3213 }
3214 }
3215
3216 static inline void
3217 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3218 int defer)
3219 {
3220 struct fc_rport *rport;
3221 scsi_qla_host_t *base_vha;
3222 unsigned long flags;
3223
3224 if (!fcport->rport)
3225 return;
3226
3227 rport = fcport->rport;
3228 if (defer) {
3229 base_vha = pci_get_drvdata(vha->hw->pdev);
3230 spin_lock_irqsave(vha->host->host_lock, flags);
3231 fcport->drport = rport;
3232 spin_unlock_irqrestore(vha->host->host_lock, flags);
3233 qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3234 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3235 qla2xxx_wake_dpc(base_vha);
3236 } else {
3237 int now;
3238 if (rport)
3239 fc_remote_port_delete(rport);
3240 qlt_do_generation_tick(vha, &now);
3241 qlt_fc_port_deleted(vha, fcport, now);
3242 }
3243 }
3244
3245 /*
3246 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3247 *
3248 * Input: ha = adapter block pointer. fcport = port structure pointer.
3249 *
3250 * Return: None.
3251 *
3252 * Context:
3253 */
3254 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3255 int do_login, int defer)
3256 {
3257 if (IS_QLAFX00(vha->hw)) {
3258 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3259 qla2x00_schedule_rport_del(vha, fcport, defer);
3260 return;
3261 }
3262
3263 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3264 vha->vp_idx == fcport->vha->vp_idx) {
3265 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3266 qla2x00_schedule_rport_del(vha, fcport, defer);
3267 }
3268 /*
3269 * We may need to retry the login, so don't change the state of the
3270 * port but do the retries.
3271 */
3272 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3273 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3274
3275 if (!do_login)
3276 return;
3277
3278 if (fcport->login_retry == 0) {
3279 fcport->login_retry = vha->hw->login_retry_count;
3280 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3281
3282 ql_dbg(ql_dbg_disc, vha, 0x2067,
3283 "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3284 fcport->port_name, fcport->loop_id, fcport->login_retry);
3285 }
3286 }
3287
3288 /*
3289 * qla2x00_mark_all_devices_lost
3290 * Updates fcport state when device goes offline.
3291 *
3292 * Input:
3293 * ha = adapter block pointer.
3294 * fcport = port structure pointer.
3295 *
3296 * Return:
3297 * None.
3298 *
3299 * Context:
3300 */
3301 void
3302 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3303 {
3304 fc_port_t *fcport;
3305
3306 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3307 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3308 continue;
3309
3310 /*
3311 * No point in marking the device as lost, if the device is
3312 * already DEAD.
3313 */
3314 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3315 continue;
3316 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3317 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3318 if (defer)
3319 qla2x00_schedule_rport_del(vha, fcport, defer);
3320 else if (vha->vp_idx == fcport->vha->vp_idx)
3321 qla2x00_schedule_rport_del(vha, fcport, defer);
3322 }
3323 }
3324 }
3325
3326 /*
3327 * qla2x00_mem_alloc
3328 * Allocates adapter memory.
3329 *
3330 * Returns:
3331 * 0 = success.
3332 * !0 = failure.
3333 */
3334 static int
3335 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3336 struct req_que **req, struct rsp_que **rsp)
3337 {
3338 char name[16];
3339
3340 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3341 &ha->init_cb_dma, GFP_KERNEL);
3342 if (!ha->init_cb)
3343 goto fail;
3344
3345 if (qlt_mem_alloc(ha) < 0)
3346 goto fail_free_init_cb;
3347
3348 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3349 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3350 if (!ha->gid_list)
3351 goto fail_free_tgt_mem;
3352
3353 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3354 if (!ha->srb_mempool)
3355 goto fail_free_gid_list;
3356
3357 if (IS_P3P_TYPE(ha)) {
3358 /* Allocate cache for CT6 Ctx. */
3359 if (!ctx_cachep) {
3360 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3361 sizeof(struct ct6_dsd), 0,
3362 SLAB_HWCACHE_ALIGN, NULL);
3363 if (!ctx_cachep)
3364 goto fail_free_gid_list;
3365 }
3366 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3367 ctx_cachep);
3368 if (!ha->ctx_mempool)
3369 goto fail_free_srb_mempool;
3370 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3371 "ctx_cachep=%p ctx_mempool=%p.\n",
3372 ctx_cachep, ha->ctx_mempool);
3373 }
3374
3375 /* Get memory for cached NVRAM */
3376 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3377 if (!ha->nvram)
3378 goto fail_free_ctx_mempool;
3379
3380 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3381 ha->pdev->device);
3382 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3383 DMA_POOL_SIZE, 8, 0);
3384 if (!ha->s_dma_pool)
3385 goto fail_free_nvram;
3386
3387 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3388 "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3389 ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3390
3391 if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3392 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3393 DSD_LIST_DMA_POOL_SIZE, 8, 0);
3394 if (!ha->dl_dma_pool) {
3395 ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3396 "Failed to allocate memory for dl_dma_pool.\n");
3397 goto fail_s_dma_pool;
3398 }
3399
3400 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3401 FCP_CMND_DMA_POOL_SIZE, 8, 0);
3402 if (!ha->fcp_cmnd_dma_pool) {
3403 ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3404 "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3405 goto fail_dl_dma_pool;
3406 }
3407 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3408 "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3409 ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3410 }
3411
3412 /* Allocate memory for SNS commands */
3413 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3414 /* Get consistent memory allocated for SNS commands */
3415 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3416 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3417 if (!ha->sns_cmd)
3418 goto fail_dma_pool;
3419 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3420 "sns_cmd: %p.\n", ha->sns_cmd);
3421 } else {
3422 /* Get consistent memory allocated for MS IOCB */
3423 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3424 &ha->ms_iocb_dma);
3425 if (!ha->ms_iocb)
3426 goto fail_dma_pool;
3427 /* Get consistent memory allocated for CT SNS commands */
3428 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3429 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3430 if (!ha->ct_sns)
3431 goto fail_free_ms_iocb;
3432 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3433 "ms_iocb=%p ct_sns=%p.\n",
3434 ha->ms_iocb, ha->ct_sns);
3435 }
3436
3437 /* Allocate memory for request ring */
3438 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3439 if (!*req) {
3440 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3441 "Failed to allocate memory for req.\n");
3442 goto fail_req;
3443 }
3444 (*req)->length = req_len;
3445 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3446 ((*req)->length + 1) * sizeof(request_t),
3447 &(*req)->dma, GFP_KERNEL);
3448 if (!(*req)->ring) {
3449 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3450 "Failed to allocate memory for req_ring.\n");
3451 goto fail_req_ring;
3452 }
3453 /* Allocate memory for response ring */
3454 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3455 if (!*rsp) {
3456 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3457 "Failed to allocate memory for rsp.\n");
3458 goto fail_rsp;
3459 }
3460 (*rsp)->hw = ha;
3461 (*rsp)->length = rsp_len;
3462 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3463 ((*rsp)->length + 1) * sizeof(response_t),
3464 &(*rsp)->dma, GFP_KERNEL);
3465 if (!(*rsp)->ring) {
3466 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3467 "Failed to allocate memory for rsp_ring.\n");
3468 goto fail_rsp_ring;
3469 }
3470 (*req)->rsp = *rsp;
3471 (*rsp)->req = *req;
3472 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3473 "req=%p req->length=%d req->ring=%p rsp=%p "
3474 "rsp->length=%d rsp->ring=%p.\n",
3475 *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3476 (*rsp)->ring);
3477 /* Allocate memory for NVRAM data for vports */
3478 if (ha->nvram_npiv_size) {
3479 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3480 ha->nvram_npiv_size, GFP_KERNEL);
3481 if (!ha->npiv_info) {
3482 ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3483 "Failed to allocate memory for npiv_info.\n");
3484 goto fail_npiv_info;
3485 }
3486 } else
3487 ha->npiv_info = NULL;
3488
3489 /* Get consistent memory allocated for EX-INIT-CB. */
3490 if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3491 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3492 &ha->ex_init_cb_dma);
3493 if (!ha->ex_init_cb)
3494 goto fail_ex_init_cb;
3495 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3496 "ex_init_cb=%p.\n", ha->ex_init_cb);
3497 }
3498
3499 INIT_LIST_HEAD(&ha->gbl_dsd_list);
3500
3501 /* Get consistent memory allocated for Async Port-Database. */
3502 if (!IS_FWI2_CAPABLE(ha)) {
3503 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3504 &ha->async_pd_dma);
3505 if (!ha->async_pd)
3506 goto fail_async_pd;
3507 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3508 "async_pd=%p.\n", ha->async_pd);
3509 }
3510
3511 INIT_LIST_HEAD(&ha->vp_list);
3512
3513 /* Allocate memory for our loop_id bitmap */
3514 ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3515 GFP_KERNEL);
3516 if (!ha->loop_id_map)
3517 goto fail_async_pd;
3518 else {
3519 qla2x00_set_reserved_loop_ids(ha);
3520 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3521 "loop_id_map=%p.\n", ha->loop_id_map);
3522 }
3523
3524 return 0;
3525
3526 fail_async_pd:
3527 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3528 fail_ex_init_cb:
3529 kfree(ha->npiv_info);
3530 fail_npiv_info:
3531 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3532 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3533 (*rsp)->ring = NULL;
3534 (*rsp)->dma = 0;
3535 fail_rsp_ring:
3536 kfree(*rsp);
3537 fail_rsp:
3538 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3539 sizeof(request_t), (*req)->ring, (*req)->dma);
3540 (*req)->ring = NULL;
3541 (*req)->dma = 0;
3542 fail_req_ring:
3543 kfree(*req);
3544 fail_req:
3545 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3546 ha->ct_sns, ha->ct_sns_dma);
3547 ha->ct_sns = NULL;
3548 ha->ct_sns_dma = 0;
3549 fail_free_ms_iocb:
3550 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3551 ha->ms_iocb = NULL;
3552 ha->ms_iocb_dma = 0;
3553 fail_dma_pool:
3554 if (IS_QLA82XX(ha) || ql2xenabledif) {
3555 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3556 ha->fcp_cmnd_dma_pool = NULL;
3557 }
3558 fail_dl_dma_pool:
3559 if (IS_QLA82XX(ha) || ql2xenabledif) {
3560 dma_pool_destroy(ha->dl_dma_pool);
3561 ha->dl_dma_pool = NULL;
3562 }
3563 fail_s_dma_pool:
3564 dma_pool_destroy(ha->s_dma_pool);
3565 ha->s_dma_pool = NULL;
3566 fail_free_nvram:
3567 kfree(ha->nvram);
3568 ha->nvram = NULL;
3569 fail_free_ctx_mempool:
3570 mempool_destroy(ha->ctx_mempool);
3571 ha->ctx_mempool = NULL;
3572 fail_free_srb_mempool:
3573 mempool_destroy(ha->srb_mempool);
3574 ha->srb_mempool = NULL;
3575 fail_free_gid_list:
3576 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3577 ha->gid_list,
3578 ha->gid_list_dma);
3579 ha->gid_list = NULL;
3580 ha->gid_list_dma = 0;
3581 fail_free_tgt_mem:
3582 qlt_mem_free(ha);
3583 fail_free_init_cb:
3584 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3585 ha->init_cb_dma);
3586 ha->init_cb = NULL;
3587 ha->init_cb_dma = 0;
3588 fail:
3589 ql_log(ql_log_fatal, NULL, 0x0030,
3590 "Memory allocation failure.\n");
3591 return -ENOMEM;
3592 }
3593
3594 /*
3595 * qla2x00_free_fw_dump
3596 * Frees fw dump stuff.
3597 *
3598 * Input:
3599 * ha = adapter block pointer
3600 */
3601 static void
3602 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3603 {
3604 if (ha->fce)
3605 dma_free_coherent(&ha->pdev->dev,
3606 FCE_SIZE, ha->fce, ha->fce_dma);
3607
3608 if (ha->eft)
3609 dma_free_coherent(&ha->pdev->dev,
3610 EFT_SIZE, ha->eft, ha->eft_dma);
3611
3612 if (ha->fw_dump)
3613 vfree(ha->fw_dump);
3614 if (ha->fw_dump_template)
3615 vfree(ha->fw_dump_template);
3616
3617 ha->fce = NULL;
3618 ha->fce_dma = 0;
3619 ha->eft = NULL;
3620 ha->eft_dma = 0;
3621 ha->fw_dumped = 0;
3622 ha->fw_dump_cap_flags = 0;
3623 ha->fw_dump_reading = 0;
3624 ha->fw_dump = NULL;
3625 ha->fw_dump_len = 0;
3626 ha->fw_dump_template = NULL;
3627 ha->fw_dump_template_len = 0;
3628 }
3629
3630 /*
3631 * qla2x00_mem_free
3632 * Frees all adapter allocated memory.
3633 *
3634 * Input:
3635 * ha = adapter block pointer.
3636 */
3637 static void
3638 qla2x00_mem_free(struct qla_hw_data *ha)
3639 {
3640 qla2x00_free_fw_dump(ha);
3641
3642 if (ha->mctp_dump)
3643 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3644 ha->mctp_dump_dma);
3645
3646 if (ha->srb_mempool)
3647 mempool_destroy(ha->srb_mempool);
3648
3649 if (ha->dcbx_tlv)
3650 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3651 ha->dcbx_tlv, ha->dcbx_tlv_dma);
3652
3653 if (ha->xgmac_data)
3654 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3655 ha->xgmac_data, ha->xgmac_data_dma);
3656
3657 if (ha->sns_cmd)
3658 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3659 ha->sns_cmd, ha->sns_cmd_dma);
3660
3661 if (ha->ct_sns)
3662 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3663 ha->ct_sns, ha->ct_sns_dma);
3664
3665 if (ha->sfp_data)
3666 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3667
3668 if (ha->ms_iocb)
3669 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3670
3671 if (ha->ex_init_cb)
3672 dma_pool_free(ha->s_dma_pool,
3673 ha->ex_init_cb, ha->ex_init_cb_dma);
3674
3675 if (ha->async_pd)
3676 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3677
3678 if (ha->s_dma_pool)
3679 dma_pool_destroy(ha->s_dma_pool);
3680
3681 if (ha->gid_list)
3682 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3683 ha->gid_list, ha->gid_list_dma);
3684
3685 if (IS_QLA82XX(ha)) {
3686 if (!list_empty(&ha->gbl_dsd_list)) {
3687 struct dsd_dma *dsd_ptr, *tdsd_ptr;
3688
3689 /* clean up allocated prev pool */
3690 list_for_each_entry_safe(dsd_ptr,
3691 tdsd_ptr, &ha->gbl_dsd_list, list) {
3692 dma_pool_free(ha->dl_dma_pool,
3693 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3694 list_del(&dsd_ptr->list);
3695 kfree(dsd_ptr);
3696 }
3697 }
3698 }
3699
3700 if (ha->dl_dma_pool)
3701 dma_pool_destroy(ha->dl_dma_pool);
3702
3703 if (ha->fcp_cmnd_dma_pool)
3704 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3705
3706 if (ha->ctx_mempool)
3707 mempool_destroy(ha->ctx_mempool);
3708
3709 qlt_mem_free(ha);
3710
3711 if (ha->init_cb)
3712 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3713 ha->init_cb, ha->init_cb_dma);
3714 vfree(ha->optrom_buffer);
3715 kfree(ha->nvram);
3716 kfree(ha->npiv_info);
3717 kfree(ha->swl);
3718 kfree(ha->loop_id_map);
3719
3720 ha->srb_mempool = NULL;
3721 ha->ctx_mempool = NULL;
3722 ha->sns_cmd = NULL;
3723 ha->sns_cmd_dma = 0;
3724 ha->ct_sns = NULL;
3725 ha->ct_sns_dma = 0;
3726 ha->ms_iocb = NULL;
3727 ha->ms_iocb_dma = 0;
3728 ha->init_cb = NULL;
3729 ha->init_cb_dma = 0;
3730 ha->ex_init_cb = NULL;
3731 ha->ex_init_cb_dma = 0;
3732 ha->async_pd = NULL;
3733 ha->async_pd_dma = 0;
3734
3735 ha->s_dma_pool = NULL;
3736 ha->dl_dma_pool = NULL;
3737 ha->fcp_cmnd_dma_pool = NULL;
3738
3739 ha->gid_list = NULL;
3740 ha->gid_list_dma = 0;
3741
3742 ha->tgt.atio_ring = NULL;
3743 ha->tgt.atio_dma = 0;
3744 ha->tgt.tgt_vp_map = NULL;
3745 }
3746
3747 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3748 struct qla_hw_data *ha)
3749 {
3750 struct Scsi_Host *host;
3751 struct scsi_qla_host *vha = NULL;
3752
3753 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3754 if (host == NULL) {
3755 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3756 "Failed to allocate host from the scsi layer, aborting.\n");
3757 goto fail;
3758 }
3759
3760 /* Clear our data area */
3761 vha = shost_priv(host);
3762 memset(vha, 0, sizeof(scsi_qla_host_t));
3763
3764 vha->host = host;
3765 vha->host_no = host->host_no;
3766 vha->hw = ha;
3767
3768 INIT_LIST_HEAD(&vha->vp_fcports);
3769 INIT_LIST_HEAD(&vha->work_list);
3770 INIT_LIST_HEAD(&vha->list);
3771 INIT_LIST_HEAD(&vha->qla_cmd_list);
3772 INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
3773
3774 spin_lock_init(&vha->work_lock);
3775 spin_lock_init(&vha->cmd_list_lock);
3776
3777 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3778 ql_dbg(ql_dbg_init, vha, 0x0041,
3779 "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3780 vha->host, vha->hw, vha,
3781 dev_name(&(ha->pdev->dev)));
3782
3783 return vha;
3784
3785 fail:
3786 return vha;
3787 }
3788
3789 static struct qla_work_evt *
3790 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3791 {
3792 struct qla_work_evt *e;
3793 uint8_t bail;
3794
3795 QLA_VHA_MARK_BUSY(vha, bail);
3796 if (bail)
3797 return NULL;
3798
3799 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3800 if (!e) {
3801 QLA_VHA_MARK_NOT_BUSY(vha);
3802 return NULL;
3803 }
3804
3805 INIT_LIST_HEAD(&e->list);
3806 e->type = type;
3807 e->flags = QLA_EVT_FLAG_FREE;
3808 return e;
3809 }
3810
3811 static int
3812 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3813 {
3814 unsigned long flags;
3815
3816 spin_lock_irqsave(&vha->work_lock, flags);
3817 list_add_tail(&e->list, &vha->work_list);
3818 spin_unlock_irqrestore(&vha->work_lock, flags);
3819 qla2xxx_wake_dpc(vha);
3820
3821 return QLA_SUCCESS;
3822 }
3823
3824 int
3825 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3826 u32 data)
3827 {
3828 struct qla_work_evt *e;
3829
3830 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3831 if (!e)
3832 return QLA_FUNCTION_FAILED;
3833
3834 e->u.aen.code = code;
3835 e->u.aen.data = data;
3836 return qla2x00_post_work(vha, e);
3837 }
3838
3839 int
3840 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3841 {
3842 struct qla_work_evt *e;
3843
3844 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3845 if (!e)
3846 return QLA_FUNCTION_FAILED;
3847
3848 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3849 return qla2x00_post_work(vha, e);
3850 }
3851
3852 #define qla2x00_post_async_work(name, type) \
3853 int qla2x00_post_async_##name##_work( \
3854 struct scsi_qla_host *vha, \
3855 fc_port_t *fcport, uint16_t *data) \
3856 { \
3857 struct qla_work_evt *e; \
3858 \
3859 e = qla2x00_alloc_work(vha, type); \
3860 if (!e) \
3861 return QLA_FUNCTION_FAILED; \
3862 \
3863 e->u.logio.fcport = fcport; \
3864 if (data) { \
3865 e->u.logio.data[0] = data[0]; \
3866 e->u.logio.data[1] = data[1]; \
3867 } \
3868 return qla2x00_post_work(vha, e); \
3869 }
3870
3871 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3872 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3873 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3874 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3875 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3876 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3877
3878 int
3879 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3880 {
3881 struct qla_work_evt *e;
3882
3883 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3884 if (!e)
3885 return QLA_FUNCTION_FAILED;
3886
3887 e->u.uevent.code = code;
3888 return qla2x00_post_work(vha, e);
3889 }
3890
3891 static void
3892 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3893 {
3894 char event_string[40];
3895 char *envp[] = { event_string, NULL };
3896
3897 switch (code) {
3898 case QLA_UEVENT_CODE_FW_DUMP:
3899 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3900 vha->host_no);
3901 break;
3902 default:
3903 /* do nothing */
3904 break;
3905 }
3906 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3907 }
3908
3909 int
3910 qlafx00_post_aenfx_work(struct scsi_qla_host *vha, uint32_t evtcode,
3911 uint32_t *data, int cnt)
3912 {
3913 struct qla_work_evt *e;
3914
3915 e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
3916 if (!e)
3917 return QLA_FUNCTION_FAILED;
3918
3919 e->u.aenfx.evtcode = evtcode;
3920 e->u.aenfx.count = cnt;
3921 memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
3922 return qla2x00_post_work(vha, e);
3923 }
3924
3925 void
3926 qla2x00_do_work(struct scsi_qla_host *vha)
3927 {
3928 struct qla_work_evt *e, *tmp;
3929 unsigned long flags;
3930 LIST_HEAD(work);
3931
3932 spin_lock_irqsave(&vha->work_lock, flags);
3933 list_splice_init(&vha->work_list, &work);
3934 spin_unlock_irqrestore(&vha->work_lock, flags);
3935
3936 list_for_each_entry_safe(e, tmp, &work, list) {
3937 list_del_init(&e->list);
3938
3939 switch (e->type) {
3940 case QLA_EVT_AEN:
3941 fc_host_post_event(vha->host, fc_get_event_number(),
3942 e->u.aen.code, e->u.aen.data);
3943 break;
3944 case QLA_EVT_IDC_ACK:
3945 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3946 break;
3947 case QLA_EVT_ASYNC_LOGIN:
3948 qla2x00_async_login(vha, e->u.logio.fcport,
3949 e->u.logio.data);
3950 break;
3951 case QLA_EVT_ASYNC_LOGIN_DONE:
3952 qla2x00_async_login_done(vha, e->u.logio.fcport,
3953 e->u.logio.data);
3954 break;
3955 case QLA_EVT_ASYNC_LOGOUT:
3956 qla2x00_async_logout(vha, e->u.logio.fcport);
3957 break;
3958 case QLA_EVT_ASYNC_LOGOUT_DONE:
3959 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3960 e->u.logio.data);
3961 break;
3962 case QLA_EVT_ASYNC_ADISC:
3963 qla2x00_async_adisc(vha, e->u.logio.fcport,
3964 e->u.logio.data);
3965 break;
3966 case QLA_EVT_ASYNC_ADISC_DONE:
3967 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3968 e->u.logio.data);
3969 break;
3970 case QLA_EVT_UEVENT:
3971 qla2x00_uevent_emit(vha, e->u.uevent.code);
3972 break;
3973 case QLA_EVT_AENFX:
3974 qlafx00_process_aen(vha, e);
3975 break;
3976 }
3977 if (e->flags & QLA_EVT_FLAG_FREE)
3978 kfree(e);
3979
3980 /* For each work completed decrement vha ref count */
3981 QLA_VHA_MARK_NOT_BUSY(vha);
3982 }
3983 }
3984
3985 /* Relogins all the fcports of a vport
3986 * Context: dpc thread
3987 */
3988 void qla2x00_relogin(struct scsi_qla_host *vha)
3989 {
3990 fc_port_t *fcport;
3991 int status;
3992 uint16_t next_loopid = 0;
3993 struct qla_hw_data *ha = vha->hw;
3994 uint16_t data[2];
3995
3996 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3997 /*
3998 * If the port is not ONLINE then try to login
3999 * to it if we haven't run out of retries.
4000 */
4001 if (atomic_read(&fcport->state) != FCS_ONLINE &&
4002 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4003 fcport->login_retry--;
4004 if (fcport->flags & FCF_FABRIC_DEVICE) {
4005 if (fcport->flags & FCF_FCP2_DEVICE)
4006 ha->isp_ops->fabric_logout(vha,
4007 fcport->loop_id,
4008 fcport->d_id.b.domain,
4009 fcport->d_id.b.area,
4010 fcport->d_id.b.al_pa);
4011
4012 if (fcport->loop_id == FC_NO_LOOP_ID) {
4013 fcport->loop_id = next_loopid =
4014 ha->min_external_loopid;
4015 status = qla2x00_find_new_loop_id(
4016 vha, fcport);
4017 if (status != QLA_SUCCESS) {
4018 /* Ran out of IDs to use */
4019 break;
4020 }
4021 }
4022
4023 if (IS_ALOGIO_CAPABLE(ha)) {
4024 fcport->flags |= FCF_ASYNC_SENT;
4025 data[0] = 0;
4026 data[1] = QLA_LOGIO_LOGIN_RETRIED;
4027 status = qla2x00_post_async_login_work(
4028 vha, fcport, data);
4029 if (status == QLA_SUCCESS)
4030 continue;
4031 /* Attempt a retry. */
4032 status = 1;
4033 } else {
4034 status = qla2x00_fabric_login(vha,
4035 fcport, &next_loopid);
4036 if (status == QLA_SUCCESS) {
4037 int status2;
4038 uint8_t opts;
4039
4040 opts = 0;
4041 if (fcport->flags &
4042 FCF_FCP2_DEVICE)
4043 opts |= BIT_1;
4044 status2 =
4045 qla2x00_get_port_database(
4046 vha, fcport, opts);
4047 if (status2 != QLA_SUCCESS)
4048 status = 1;
4049 }
4050 }
4051 } else
4052 status = qla2x00_local_device_login(vha,
4053 fcport);
4054
4055 if (status == QLA_SUCCESS) {
4056 fcport->old_loop_id = fcport->loop_id;
4057
4058 ql_dbg(ql_dbg_disc, vha, 0x2003,
4059 "Port login OK: logged in ID 0x%x.\n",
4060 fcport->loop_id);
4061
4062 qla2x00_update_fcport(vha, fcport);
4063
4064 } else if (status == 1) {
4065 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4066 /* retry the login again */
4067 ql_dbg(ql_dbg_disc, vha, 0x2007,
4068 "Retrying %d login again loop_id 0x%x.\n",
4069 fcport->login_retry, fcport->loop_id);
4070 } else {
4071 fcport->login_retry = 0;
4072 }
4073
4074 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4075 qla2x00_clear_loop_id(fcport);
4076 }
4077 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4078 break;
4079 }
4080 }
4081
4082 /* Schedule work on any of the dpc-workqueues */
4083 void
4084 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4085 {
4086 struct qla_hw_data *ha = base_vha->hw;
4087
4088 switch (work_code) {
4089 case MBA_IDC_AEN: /* 0x8200 */
4090 if (ha->dpc_lp_wq)
4091 queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4092 break;
4093
4094 case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4095 if (!ha->flags.nic_core_reset_hdlr_active) {
4096 if (ha->dpc_hp_wq)
4097 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4098 } else
4099 ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4100 "NIC Core reset is already active. Skip "
4101 "scheduling it again.\n");
4102 break;
4103 case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4104 if (ha->dpc_hp_wq)
4105 queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4106 break;
4107 case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4108 if (ha->dpc_hp_wq)
4109 queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4110 break;
4111 default:
4112 ql_log(ql_log_warn, base_vha, 0xb05f,
4113 "Unknown work-code=0x%x.\n", work_code);
4114 }
4115
4116 return;
4117 }
4118
4119 /* Work: Perform NIC Core Unrecoverable state handling */
4120 void
4121 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4122 {
4123 struct qla_hw_data *ha =
4124 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4125 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4126 uint32_t dev_state = 0;
4127
4128 qla83xx_idc_lock(base_vha, 0);
4129 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4130 qla83xx_reset_ownership(base_vha);
4131 if (ha->flags.nic_core_reset_owner) {
4132 ha->flags.nic_core_reset_owner = 0;
4133 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4134 QLA8XXX_DEV_FAILED);
4135 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4136 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4137 }
4138 qla83xx_idc_unlock(base_vha, 0);
4139 }
4140
4141 /* Work: Execute IDC state handler */
4142 void
4143 qla83xx_idc_state_handler_work(struct work_struct *work)
4144 {
4145 struct qla_hw_data *ha =
4146 container_of(work, struct qla_hw_data, idc_state_handler);
4147 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4148 uint32_t dev_state = 0;
4149
4150 qla83xx_idc_lock(base_vha, 0);
4151 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4152 if (dev_state == QLA8XXX_DEV_FAILED ||
4153 dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4154 qla83xx_idc_state_handler(base_vha);
4155 qla83xx_idc_unlock(base_vha, 0);
4156 }
4157
4158 static int
4159 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4160 {
4161 int rval = QLA_SUCCESS;
4162 unsigned long heart_beat_wait = jiffies + (1 * HZ);
4163 uint32_t heart_beat_counter1, heart_beat_counter2;
4164
4165 do {
4166 if (time_after(jiffies, heart_beat_wait)) {
4167 ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4168 "Nic Core f/w is not alive.\n");
4169 rval = QLA_FUNCTION_FAILED;
4170 break;
4171 }
4172
4173 qla83xx_idc_lock(base_vha, 0);
4174 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4175 &heart_beat_counter1);
4176 qla83xx_idc_unlock(base_vha, 0);
4177 msleep(100);
4178 qla83xx_idc_lock(base_vha, 0);
4179 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4180 &heart_beat_counter2);
4181 qla83xx_idc_unlock(base_vha, 0);
4182 } while (heart_beat_counter1 == heart_beat_counter2);
4183
4184 return rval;
4185 }
4186
4187 /* Work: Perform NIC Core Reset handling */
4188 void
4189 qla83xx_nic_core_reset_work(struct work_struct *work)
4190 {
4191 struct qla_hw_data *ha =
4192 container_of(work, struct qla_hw_data, nic_core_reset);
4193 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4194 uint32_t dev_state = 0;
4195
4196 if (IS_QLA2031(ha)) {
4197 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4198 ql_log(ql_log_warn, base_vha, 0xb081,
4199 "Failed to dump mctp\n");
4200 return;
4201 }
4202
4203 if (!ha->flags.nic_core_reset_hdlr_active) {
4204 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4205 qla83xx_idc_lock(base_vha, 0);
4206 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4207 &dev_state);
4208 qla83xx_idc_unlock(base_vha, 0);
4209 if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4210 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4211 "Nic Core f/w is alive.\n");
4212 return;
4213 }
4214 }
4215
4216 ha->flags.nic_core_reset_hdlr_active = 1;
4217 if (qla83xx_nic_core_reset(base_vha)) {
4218 /* NIC Core reset failed. */
4219 ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4220 "NIC Core reset failed.\n");
4221 }
4222 ha->flags.nic_core_reset_hdlr_active = 0;
4223 }
4224 }
4225
4226 /* Work: Handle 8200 IDC aens */
4227 void
4228 qla83xx_service_idc_aen(struct work_struct *work)
4229 {
4230 struct qla_hw_data *ha =
4231 container_of(work, struct qla_hw_data, idc_aen);
4232 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4233 uint32_t dev_state, idc_control;
4234
4235 qla83xx_idc_lock(base_vha, 0);
4236 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4237 qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4238 qla83xx_idc_unlock(base_vha, 0);
4239 if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4240 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4241 ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4242 "Application requested NIC Core Reset.\n");
4243 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4244 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4245 QLA_SUCCESS) {
4246 ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4247 "Other protocol driver requested NIC Core Reset.\n");
4248 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4249 }
4250 } else if (dev_state == QLA8XXX_DEV_FAILED ||
4251 dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4252 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4253 }
4254 }
4255
4256 static void
4257 qla83xx_wait_logic(void)
4258 {
4259 int i;
4260
4261 /* Yield CPU */
4262 if (!in_interrupt()) {
4263 /*
4264 * Wait about 200ms before retrying again.
4265 * This controls the number of retries for single
4266 * lock operation.
4267 */
4268 msleep(100);
4269 schedule();
4270 } else {
4271 for (i = 0; i < 20; i++)
4272 cpu_relax(); /* This a nop instr on i386 */
4273 }
4274 }
4275
4276 static int
4277 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4278 {
4279 int rval;
4280 uint32_t data;
4281 uint32_t idc_lck_rcvry_stage_mask = 0x3;
4282 uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4283 struct qla_hw_data *ha = base_vha->hw;
4284 ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4285 "Trying force recovery of the IDC lock.\n");
4286
4287 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4288 if (rval)
4289 return rval;
4290
4291 if ((data & idc_lck_rcvry_stage_mask) > 0) {
4292 return QLA_SUCCESS;
4293 } else {
4294 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4295 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4296 data);
4297 if (rval)
4298 return rval;
4299
4300 msleep(200);
4301
4302 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4303 &data);
4304 if (rval)
4305 return rval;
4306
4307 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4308 data &= (IDC_LOCK_RECOVERY_STAGE2 |
4309 ~(idc_lck_rcvry_stage_mask));
4310 rval = qla83xx_wr_reg(base_vha,
4311 QLA83XX_IDC_LOCK_RECOVERY, data);
4312 if (rval)
4313 return rval;
4314
4315 /* Forcefully perform IDC UnLock */
4316 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4317 &data);
4318 if (rval)
4319 return rval;
4320 /* Clear lock-id by setting 0xff */
4321 rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4322 0xff);
4323 if (rval)
4324 return rval;
4325 /* Clear lock-recovery by setting 0x0 */
4326 rval = qla83xx_wr_reg(base_vha,
4327 QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4328 if (rval)
4329 return rval;
4330 } else
4331 return QLA_SUCCESS;
4332 }
4333
4334 return rval;
4335 }
4336
4337 static int
4338 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4339 {
4340 int rval = QLA_SUCCESS;
4341 uint32_t o_drv_lockid, n_drv_lockid;
4342 unsigned long lock_recovery_timeout;
4343
4344 lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4345 retry_lockid:
4346 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4347 if (rval)
4348 goto exit;
4349
4350 /* MAX wait time before forcing IDC Lock recovery = 2 secs */
4351 if (time_after_eq(jiffies, lock_recovery_timeout)) {
4352 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4353 return QLA_SUCCESS;
4354 else
4355 return QLA_FUNCTION_FAILED;
4356 }
4357
4358 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4359 if (rval)
4360 goto exit;
4361
4362 if (o_drv_lockid == n_drv_lockid) {
4363 qla83xx_wait_logic();
4364 goto retry_lockid;
4365 } else
4366 return QLA_SUCCESS;
4367
4368 exit:
4369 return rval;
4370 }
4371
4372 void
4373 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4374 {
4375 uint16_t options = (requester_id << 15) | BIT_6;
4376 uint32_t data;
4377 uint32_t lock_owner;
4378 struct qla_hw_data *ha = base_vha->hw;
4379
4380 /* IDC-lock implementation using driver-lock/lock-id remote registers */
4381 retry_lock:
4382 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4383 == QLA_SUCCESS) {
4384 if (data) {
4385 /* Setting lock-id to our function-number */
4386 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4387 ha->portnum);
4388 } else {
4389 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4390 &lock_owner);
4391 ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4392 "Failed to acquire IDC lock, acquired by %d, "
4393 "retrying...\n", lock_owner);
4394
4395 /* Retry/Perform IDC-Lock recovery */
4396 if (qla83xx_idc_lock_recovery(base_vha)
4397 == QLA_SUCCESS) {
4398 qla83xx_wait_logic();
4399 goto retry_lock;
4400 } else
4401 ql_log(ql_log_warn, base_vha, 0xb075,
4402 "IDC Lock recovery FAILED.\n");
4403 }
4404
4405 }
4406
4407 return;
4408
4409 /* XXX: IDC-lock implementation using access-control mbx */
4410 retry_lock2:
4411 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4412 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4413 "Failed to acquire IDC lock. retrying...\n");
4414 /* Retry/Perform IDC-Lock recovery */
4415 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4416 qla83xx_wait_logic();
4417 goto retry_lock2;
4418 } else
4419 ql_log(ql_log_warn, base_vha, 0xb076,
4420 "IDC Lock recovery FAILED.\n");
4421 }
4422
4423 return;
4424 }
4425
4426 void
4427 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4428 {
4429 #if 0
4430 uint16_t options = (requester_id << 15) | BIT_7;
4431 #endif
4432 uint16_t retry;
4433 uint32_t data;
4434 struct qla_hw_data *ha = base_vha->hw;
4435
4436 /* IDC-unlock implementation using driver-unlock/lock-id
4437 * remote registers
4438 */
4439 retry = 0;
4440 retry_unlock:
4441 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4442 == QLA_SUCCESS) {
4443 if (data == ha->portnum) {
4444 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4445 /* Clearing lock-id by setting 0xff */
4446 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4447 } else if (retry < 10) {
4448 /* SV: XXX: IDC unlock retrying needed here? */
4449
4450 /* Retry for IDC-unlock */
4451 qla83xx_wait_logic();
4452 retry++;
4453 ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4454 "Failed to release IDC lock, retyring=%d\n", retry);
4455 goto retry_unlock;
4456 }
4457 } else if (retry < 10) {
4458 /* Retry for IDC-unlock */
4459 qla83xx_wait_logic();
4460 retry++;
4461 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4462 "Failed to read drv-lockid, retyring=%d\n", retry);
4463 goto retry_unlock;
4464 }
4465
4466 return;
4467
4468 #if 0
4469 /* XXX: IDC-unlock implementation using access-control mbx */
4470 retry = 0;
4471 retry_unlock2:
4472 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4473 if (retry < 10) {
4474 /* Retry for IDC-unlock */
4475 qla83xx_wait_logic();
4476 retry++;
4477 ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4478 "Failed to release IDC lock, retyring=%d\n", retry);
4479 goto retry_unlock2;
4480 }
4481 }
4482
4483 return;
4484 #endif
4485 }
4486
4487 int
4488 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4489 {
4490 int rval = QLA_SUCCESS;
4491 struct qla_hw_data *ha = vha->hw;
4492 uint32_t drv_presence;
4493
4494 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4495 if (rval == QLA_SUCCESS) {
4496 drv_presence |= (1 << ha->portnum);
4497 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4498 drv_presence);
4499 }
4500
4501 return rval;
4502 }
4503
4504 int
4505 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4506 {
4507 int rval = QLA_SUCCESS;
4508
4509 qla83xx_idc_lock(vha, 0);
4510 rval = __qla83xx_set_drv_presence(vha);
4511 qla83xx_idc_unlock(vha, 0);
4512
4513 return rval;
4514 }
4515
4516 int
4517 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4518 {
4519 int rval = QLA_SUCCESS;
4520 struct qla_hw_data *ha = vha->hw;
4521 uint32_t drv_presence;
4522
4523 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4524 if (rval == QLA_SUCCESS) {
4525 drv_presence &= ~(1 << ha->portnum);
4526 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4527 drv_presence);
4528 }
4529
4530 return rval;
4531 }
4532
4533 int
4534 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4535 {
4536 int rval = QLA_SUCCESS;
4537
4538 qla83xx_idc_lock(vha, 0);
4539 rval = __qla83xx_clear_drv_presence(vha);
4540 qla83xx_idc_unlock(vha, 0);
4541
4542 return rval;
4543 }
4544
4545 static void
4546 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4547 {
4548 struct qla_hw_data *ha = vha->hw;
4549 uint32_t drv_ack, drv_presence;
4550 unsigned long ack_timeout;
4551
4552 /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4553 ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4554 while (1) {
4555 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4556 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4557 if ((drv_ack & drv_presence) == drv_presence)
4558 break;
4559
4560 if (time_after_eq(jiffies, ack_timeout)) {
4561 ql_log(ql_log_warn, vha, 0xb067,
4562 "RESET ACK TIMEOUT! drv_presence=0x%x "
4563 "drv_ack=0x%x\n", drv_presence, drv_ack);
4564 /*
4565 * The function(s) which did not ack in time are forced
4566 * to withdraw any further participation in the IDC
4567 * reset.
4568 */
4569 if (drv_ack != drv_presence)
4570 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4571 drv_ack);
4572 break;
4573 }
4574
4575 qla83xx_idc_unlock(vha, 0);
4576 msleep(1000);
4577 qla83xx_idc_lock(vha, 0);
4578 }
4579
4580 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4581 ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4582 }
4583
4584 static int
4585 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4586 {
4587 int rval = QLA_SUCCESS;
4588 uint32_t idc_control;
4589
4590 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4591 ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4592
4593 /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4594 __qla83xx_get_idc_control(vha, &idc_control);
4595 idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4596 __qla83xx_set_idc_control(vha, 0);
4597
4598 qla83xx_idc_unlock(vha, 0);
4599 rval = qla83xx_restart_nic_firmware(vha);
4600 qla83xx_idc_lock(vha, 0);
4601
4602 if (rval != QLA_SUCCESS) {
4603 ql_log(ql_log_fatal, vha, 0xb06a,
4604 "Failed to restart NIC f/w.\n");
4605 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4606 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4607 } else {
4608 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4609 "Success in restarting nic f/w.\n");
4610 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4611 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4612 }
4613
4614 return rval;
4615 }
4616
4617 /* Assumes idc_lock always held on entry */
4618 int
4619 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4620 {
4621 struct qla_hw_data *ha = base_vha->hw;
4622 int rval = QLA_SUCCESS;
4623 unsigned long dev_init_timeout;
4624 uint32_t dev_state;
4625
4626 /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4627 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4628
4629 while (1) {
4630
4631 if (time_after_eq(jiffies, dev_init_timeout)) {
4632 ql_log(ql_log_warn, base_vha, 0xb06e,
4633 "Initialization TIMEOUT!\n");
4634 /* Init timeout. Disable further NIC Core
4635 * communication.
4636 */
4637 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4638 QLA8XXX_DEV_FAILED);
4639 ql_log(ql_log_info, base_vha, 0xb06f,
4640 "HW State: FAILED.\n");
4641 }
4642
4643 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4644 switch (dev_state) {
4645 case QLA8XXX_DEV_READY:
4646 if (ha->flags.nic_core_reset_owner)
4647 qla83xx_idc_audit(base_vha,
4648 IDC_AUDIT_COMPLETION);
4649 ha->flags.nic_core_reset_owner = 0;
4650 ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4651 "Reset_owner reset by 0x%x.\n",
4652 ha->portnum);
4653 goto exit;
4654 case QLA8XXX_DEV_COLD:
4655 if (ha->flags.nic_core_reset_owner)
4656 rval = qla83xx_device_bootstrap(base_vha);
4657 else {
4658 /* Wait for AEN to change device-state */
4659 qla83xx_idc_unlock(base_vha, 0);
4660 msleep(1000);
4661 qla83xx_idc_lock(base_vha, 0);
4662 }
4663 break;
4664 case QLA8XXX_DEV_INITIALIZING:
4665 /* Wait for AEN to change device-state */
4666 qla83xx_idc_unlock(base_vha, 0);
4667 msleep(1000);
4668 qla83xx_idc_lock(base_vha, 0);
4669 break;
4670 case QLA8XXX_DEV_NEED_RESET:
4671 if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4672 qla83xx_need_reset_handler(base_vha);
4673 else {
4674 /* Wait for AEN to change device-state */
4675 qla83xx_idc_unlock(base_vha, 0);
4676 msleep(1000);
4677 qla83xx_idc_lock(base_vha, 0);
4678 }
4679 /* reset timeout value after need reset handler */
4680 dev_init_timeout = jiffies +
4681 (ha->fcoe_dev_init_timeout * HZ);
4682 break;
4683 case QLA8XXX_DEV_NEED_QUIESCENT:
4684 /* XXX: DEBUG for now */
4685 qla83xx_idc_unlock(base_vha, 0);
4686 msleep(1000);
4687 qla83xx_idc_lock(base_vha, 0);
4688 break;
4689 case QLA8XXX_DEV_QUIESCENT:
4690 /* XXX: DEBUG for now */
4691 if (ha->flags.quiesce_owner)
4692 goto exit;
4693
4694 qla83xx_idc_unlock(base_vha, 0);
4695 msleep(1000);
4696 qla83xx_idc_lock(base_vha, 0);
4697 dev_init_timeout = jiffies +
4698 (ha->fcoe_dev_init_timeout * HZ);
4699 break;
4700 case QLA8XXX_DEV_FAILED:
4701 if (ha->flags.nic_core_reset_owner)
4702 qla83xx_idc_audit(base_vha,
4703 IDC_AUDIT_COMPLETION);
4704 ha->flags.nic_core_reset_owner = 0;
4705 __qla83xx_clear_drv_presence(base_vha);
4706 qla83xx_idc_unlock(base_vha, 0);
4707 qla8xxx_dev_failed_handler(base_vha);
4708 rval = QLA_FUNCTION_FAILED;
4709 qla83xx_idc_lock(base_vha, 0);
4710 goto exit;
4711 case QLA8XXX_BAD_VALUE:
4712 qla83xx_idc_unlock(base_vha, 0);
4713 msleep(1000);
4714 qla83xx_idc_lock(base_vha, 0);
4715 break;
4716 default:
4717 ql_log(ql_log_warn, base_vha, 0xb071,
4718 "Unknown Device State: %x.\n", dev_state);
4719 qla83xx_idc_unlock(base_vha, 0);
4720 qla8xxx_dev_failed_handler(base_vha);
4721 rval = QLA_FUNCTION_FAILED;
4722 qla83xx_idc_lock(base_vha, 0);
4723 goto exit;
4724 }
4725 }
4726
4727 exit:
4728 return rval;
4729 }
4730
4731 void
4732 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4733 {
4734 struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4735 board_disable);
4736 struct pci_dev *pdev = ha->pdev;
4737 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4738
4739 ql_log(ql_log_warn, base_vha, 0x015b,
4740 "Disabling adapter.\n");
4741
4742 set_bit(UNLOADING, &base_vha->dpc_flags);
4743
4744 qla2x00_delete_all_vps(ha, base_vha);
4745
4746 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4747
4748 qla2x00_dfs_remove(base_vha);
4749
4750 qla84xx_put_chip(base_vha);
4751
4752 if (base_vha->timer_active)
4753 qla2x00_stop_timer(base_vha);
4754
4755 base_vha->flags.online = 0;
4756
4757 qla2x00_destroy_deferred_work(ha);
4758
4759 /*
4760 * Do not try to stop beacon blink as it will issue a mailbox
4761 * command.
4762 */
4763 qla2x00_free_sysfs_attr(base_vha, false);
4764
4765 fc_remove_host(base_vha->host);
4766
4767 scsi_remove_host(base_vha->host);
4768
4769 base_vha->flags.init_done = 0;
4770 qla25xx_delete_queues(base_vha);
4771 qla2x00_free_irqs(base_vha);
4772 qla2x00_free_fcports(base_vha);
4773 qla2x00_mem_free(ha);
4774 qla82xx_md_free(base_vha);
4775 qla2x00_free_queues(ha);
4776
4777 qla2x00_unmap_iobases(ha);
4778
4779 pci_release_selected_regions(ha->pdev, ha->bars);
4780 pci_disable_pcie_error_reporting(pdev);
4781 pci_disable_device(pdev);
4782
4783 /*
4784 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
4785 */
4786 }
4787
4788 /**************************************************************************
4789 * qla2x00_do_dpc
4790 * This kernel thread is a task that is schedule by the interrupt handler
4791 * to perform the background processing for interrupts.
4792 *
4793 * Notes:
4794 * This task always run in the context of a kernel thread. It
4795 * is kick-off by the driver's detect code and starts up
4796 * up one per adapter. It immediately goes to sleep and waits for
4797 * some fibre event. When either the interrupt handler or
4798 * the timer routine detects a event it will one of the task
4799 * bits then wake us up.
4800 **************************************************************************/
4801 static int
4802 qla2x00_do_dpc(void *data)
4803 {
4804 int rval;
4805 scsi_qla_host_t *base_vha;
4806 struct qla_hw_data *ha;
4807
4808 ha = (struct qla_hw_data *)data;
4809 base_vha = pci_get_drvdata(ha->pdev);
4810
4811 set_user_nice(current, MIN_NICE);
4812
4813 set_current_state(TASK_INTERRUPTIBLE);
4814 while (!kthread_should_stop()) {
4815 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4816 "DPC handler sleeping.\n");
4817
4818 schedule();
4819
4820 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4821 goto end_loop;
4822
4823 if (ha->flags.eeh_busy) {
4824 ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4825 "eeh_busy=%d.\n", ha->flags.eeh_busy);
4826 goto end_loop;
4827 }
4828
4829 ha->dpc_active = 1;
4830
4831 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
4832 "DPC handler waking up, dpc_flags=0x%lx.\n",
4833 base_vha->dpc_flags);
4834
4835 qla2x00_do_work(base_vha);
4836
4837 if (IS_P3P_TYPE(ha)) {
4838 if (IS_QLA8044(ha)) {
4839 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4840 &base_vha->dpc_flags)) {
4841 qla8044_idc_lock(ha);
4842 qla8044_wr_direct(base_vha,
4843 QLA8044_CRB_DEV_STATE_INDEX,
4844 QLA8XXX_DEV_FAILED);
4845 qla8044_idc_unlock(ha);
4846 ql_log(ql_log_info, base_vha, 0x4004,
4847 "HW State: FAILED.\n");
4848 qla8044_device_state_handler(base_vha);
4849 continue;
4850 }
4851
4852 } else {
4853 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4854 &base_vha->dpc_flags)) {
4855 qla82xx_idc_lock(ha);
4856 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4857 QLA8XXX_DEV_FAILED);
4858 qla82xx_idc_unlock(ha);
4859 ql_log(ql_log_info, base_vha, 0x0151,
4860 "HW State: FAILED.\n");
4861 qla82xx_device_state_handler(base_vha);
4862 continue;
4863 }
4864 }
4865
4866 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
4867 &base_vha->dpc_flags)) {
4868
4869 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
4870 "FCoE context reset scheduled.\n");
4871 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4872 &base_vha->dpc_flags))) {
4873 if (qla82xx_fcoe_ctx_reset(base_vha)) {
4874 /* FCoE-ctx reset failed.
4875 * Escalate to chip-reset
4876 */
4877 set_bit(ISP_ABORT_NEEDED,
4878 &base_vha->dpc_flags);
4879 }
4880 clear_bit(ABORT_ISP_ACTIVE,
4881 &base_vha->dpc_flags);
4882 }
4883
4884 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
4885 "FCoE context reset end.\n");
4886 }
4887 } else if (IS_QLAFX00(ha)) {
4888 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4889 &base_vha->dpc_flags)) {
4890 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
4891 "Firmware Reset Recovery\n");
4892 if (qlafx00_reset_initialize(base_vha)) {
4893 /* Failed. Abort isp later. */
4894 if (!test_bit(UNLOADING,
4895 &base_vha->dpc_flags)) {
4896 set_bit(ISP_UNRECOVERABLE,
4897 &base_vha->dpc_flags);
4898 ql_dbg(ql_dbg_dpc, base_vha,
4899 0x4021,
4900 "Reset Recovery Failed\n");
4901 }
4902 }
4903 }
4904
4905 if (test_and_clear_bit(FX00_TARGET_SCAN,
4906 &base_vha->dpc_flags)) {
4907 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
4908 "ISPFx00 Target Scan scheduled\n");
4909 if (qlafx00_rescan_isp(base_vha)) {
4910 if (!test_bit(UNLOADING,
4911 &base_vha->dpc_flags))
4912 set_bit(ISP_UNRECOVERABLE,
4913 &base_vha->dpc_flags);
4914 ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
4915 "ISPFx00 Target Scan Failed\n");
4916 }
4917 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
4918 "ISPFx00 Target Scan End\n");
4919 }
4920 if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
4921 &base_vha->dpc_flags)) {
4922 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
4923 "ISPFx00 Host Info resend scheduled\n");
4924 qlafx00_fx_disc(base_vha,
4925 &base_vha->hw->mr.fcport,
4926 FXDISC_REG_HOST_INFO);
4927 }
4928 }
4929
4930 if (test_and_clear_bit(ISP_ABORT_NEEDED,
4931 &base_vha->dpc_flags)) {
4932
4933 ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
4934 "ISP abort scheduled.\n");
4935 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4936 &base_vha->dpc_flags))) {
4937
4938 if (ha->isp_ops->abort_isp(base_vha)) {
4939 /* failed. retry later */
4940 set_bit(ISP_ABORT_NEEDED,
4941 &base_vha->dpc_flags);
4942 }
4943 clear_bit(ABORT_ISP_ACTIVE,
4944 &base_vha->dpc_flags);
4945 }
4946
4947 ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
4948 "ISP abort end.\n");
4949 }
4950
4951 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
4952 &base_vha->dpc_flags)) {
4953 qla2x00_update_fcports(base_vha);
4954 }
4955
4956 if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
4957 int ret;
4958 ret = qla2x00_send_change_request(base_vha, 0x3, 0);
4959 if (ret != QLA_SUCCESS)
4960 ql_log(ql_log_warn, base_vha, 0x121,
4961 "Failed to enable receiving of RSCN "
4962 "requests: 0x%x.\n", ret);
4963 clear_bit(SCR_PENDING, &base_vha->dpc_flags);
4964 }
4965
4966 if (IS_QLAFX00(ha))
4967 goto loop_resync_check;
4968
4969 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
4970 ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
4971 "Quiescence mode scheduled.\n");
4972 if (IS_P3P_TYPE(ha)) {
4973 if (IS_QLA82XX(ha))
4974 qla82xx_device_state_handler(base_vha);
4975 if (IS_QLA8044(ha))
4976 qla8044_device_state_handler(base_vha);
4977 clear_bit(ISP_QUIESCE_NEEDED,
4978 &base_vha->dpc_flags);
4979 if (!ha->flags.quiesce_owner) {
4980 qla2x00_perform_loop_resync(base_vha);
4981 if (IS_QLA82XX(ha)) {
4982 qla82xx_idc_lock(ha);
4983 qla82xx_clear_qsnt_ready(
4984 base_vha);
4985 qla82xx_idc_unlock(ha);
4986 } else if (IS_QLA8044(ha)) {
4987 qla8044_idc_lock(ha);
4988 qla8044_clear_qsnt_ready(
4989 base_vha);
4990 qla8044_idc_unlock(ha);
4991 }
4992 }
4993 } else {
4994 clear_bit(ISP_QUIESCE_NEEDED,
4995 &base_vha->dpc_flags);
4996 qla2x00_quiesce_io(base_vha);
4997 }
4998 ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
4999 "Quiescence mode end.\n");
5000 }
5001
5002 if (test_and_clear_bit(RESET_MARKER_NEEDED,
5003 &base_vha->dpc_flags) &&
5004 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5005
5006 ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5007 "Reset marker scheduled.\n");
5008 qla2x00_rst_aen(base_vha);
5009 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5010 ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5011 "Reset marker end.\n");
5012 }
5013
5014 /* Retry each device up to login retry count */
5015 if ((test_and_clear_bit(RELOGIN_NEEDED,
5016 &base_vha->dpc_flags)) &&
5017 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5018 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5019
5020 ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5021 "Relogin scheduled.\n");
5022 qla2x00_relogin(base_vha);
5023 ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5024 "Relogin end.\n");
5025 }
5026 loop_resync_check:
5027 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5028 &base_vha->dpc_flags)) {
5029
5030 ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5031 "Loop resync scheduled.\n");
5032
5033 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5034 &base_vha->dpc_flags))) {
5035
5036 rval = qla2x00_loop_resync(base_vha);
5037
5038 clear_bit(LOOP_RESYNC_ACTIVE,
5039 &base_vha->dpc_flags);
5040 }
5041
5042 ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5043 "Loop resync end.\n");
5044 }
5045
5046 if (IS_QLAFX00(ha))
5047 goto intr_on_check;
5048
5049 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5050 atomic_read(&base_vha->loop_state) == LOOP_READY) {
5051 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5052 qla2xxx_flash_npiv_conf(base_vha);
5053 }
5054
5055 intr_on_check:
5056 if (!ha->interrupts_on)
5057 ha->isp_ops->enable_intrs(ha);
5058
5059 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5060 &base_vha->dpc_flags)) {
5061 if (ha->beacon_blink_led == 1)
5062 ha->isp_ops->beacon_blink(base_vha);
5063 }
5064
5065 if (!IS_QLAFX00(ha))
5066 qla2x00_do_dpc_all_vps(base_vha);
5067
5068 ha->dpc_active = 0;
5069 end_loop:
5070 set_current_state(TASK_INTERRUPTIBLE);
5071 } /* End of while(1) */
5072 __set_current_state(TASK_RUNNING);
5073
5074 ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5075 "DPC handler exiting.\n");
5076
5077 /*
5078 * Make sure that nobody tries to wake us up again.
5079 */
5080 ha->dpc_active = 0;
5081
5082 /* Cleanup any residual CTX SRBs. */
5083 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5084
5085 return 0;
5086 }
5087
5088 void
5089 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5090 {
5091 struct qla_hw_data *ha = vha->hw;
5092 struct task_struct *t = ha->dpc_thread;
5093
5094 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5095 wake_up_process(t);
5096 }
5097
5098 /*
5099 * qla2x00_rst_aen
5100 * Processes asynchronous reset.
5101 *
5102 * Input:
5103 * ha = adapter block pointer.
5104 */
5105 static void
5106 qla2x00_rst_aen(scsi_qla_host_t *vha)
5107 {
5108 if (vha->flags.online && !vha->flags.reset_active &&
5109 !atomic_read(&vha->loop_down_timer) &&
5110 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5111 do {
5112 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5113
5114 /*
5115 * Issue marker command only when we are going to start
5116 * the I/O.
5117 */
5118 vha->marker_needed = 1;
5119 } while (!atomic_read(&vha->loop_down_timer) &&
5120 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5121 }
5122 }
5123
5124 /**************************************************************************
5125 * qla2x00_timer
5126 *
5127 * Description:
5128 * One second timer
5129 *
5130 * Context: Interrupt
5131 ***************************************************************************/
5132 void
5133 qla2x00_timer(scsi_qla_host_t *vha)
5134 {
5135 unsigned long cpu_flags = 0;
5136 int start_dpc = 0;
5137 int index;
5138 srb_t *sp;
5139 uint16_t w;
5140 struct qla_hw_data *ha = vha->hw;
5141 struct req_que *req;
5142
5143 if (ha->flags.eeh_busy) {
5144 ql_dbg(ql_dbg_timer, vha, 0x6000,
5145 "EEH = %d, restarting timer.\n",
5146 ha->flags.eeh_busy);
5147 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5148 return;
5149 }
5150
5151 /*
5152 * Hardware read to raise pending EEH errors during mailbox waits. If
5153 * the read returns -1 then disable the board.
5154 */
5155 if (!pci_channel_offline(ha->pdev)) {
5156 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5157 qla2x00_check_reg16_for_disconnect(vha, w);
5158 }
5159
5160 /* Make sure qla82xx_watchdog is run only for physical port */
5161 if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5162 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5163 start_dpc++;
5164 if (IS_QLA82XX(ha))
5165 qla82xx_watchdog(vha);
5166 else if (IS_QLA8044(ha))
5167 qla8044_watchdog(vha);
5168 }
5169
5170 if (!vha->vp_idx && IS_QLAFX00(ha))
5171 qlafx00_timer_routine(vha);
5172
5173 /* Loop down handler. */
5174 if (atomic_read(&vha->loop_down_timer) > 0 &&
5175 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5176 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5177 && vha->flags.online) {
5178
5179 if (atomic_read(&vha->loop_down_timer) ==
5180 vha->loop_down_abort_time) {
5181
5182 ql_log(ql_log_info, vha, 0x6008,
5183 "Loop down - aborting the queues before time expires.\n");
5184
5185 if (!IS_QLA2100(ha) && vha->link_down_timeout)
5186 atomic_set(&vha->loop_state, LOOP_DEAD);
5187
5188 /*
5189 * Schedule an ISP abort to return any FCP2-device
5190 * commands.
5191 */
5192 /* NPIV - scan physical port only */
5193 if (!vha->vp_idx) {
5194 spin_lock_irqsave(&ha->hardware_lock,
5195 cpu_flags);
5196 req = ha->req_q_map[0];
5197 for (index = 1;
5198 index < req->num_outstanding_cmds;
5199 index++) {
5200 fc_port_t *sfcp;
5201
5202 sp = req->outstanding_cmds[index];
5203 if (!sp)
5204 continue;
5205 if (sp->type != SRB_SCSI_CMD)
5206 continue;
5207 sfcp = sp->fcport;
5208 if (!(sfcp->flags & FCF_FCP2_DEVICE))
5209 continue;
5210
5211 if (IS_QLA82XX(ha))
5212 set_bit(FCOE_CTX_RESET_NEEDED,
5213 &vha->dpc_flags);
5214 else
5215 set_bit(ISP_ABORT_NEEDED,
5216 &vha->dpc_flags);
5217 break;
5218 }
5219 spin_unlock_irqrestore(&ha->hardware_lock,
5220 cpu_flags);
5221 }
5222 start_dpc++;
5223 }
5224
5225 /* if the loop has been down for 4 minutes, reinit adapter */
5226 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5227 if (!(vha->device_flags & DFLG_NO_CABLE)) {
5228 ql_log(ql_log_warn, vha, 0x6009,
5229 "Loop down - aborting ISP.\n");
5230
5231 if (IS_QLA82XX(ha))
5232 set_bit(FCOE_CTX_RESET_NEEDED,
5233 &vha->dpc_flags);
5234 else
5235 set_bit(ISP_ABORT_NEEDED,
5236 &vha->dpc_flags);
5237 }
5238 }
5239 ql_dbg(ql_dbg_timer, vha, 0x600a,
5240 "Loop down - seconds remaining %d.\n",
5241 atomic_read(&vha->loop_down_timer));
5242 }
5243 /* Check if beacon LED needs to be blinked for physical host only */
5244 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5245 /* There is no beacon_blink function for ISP82xx */
5246 if (!IS_P3P_TYPE(ha)) {
5247 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5248 start_dpc++;
5249 }
5250 }
5251
5252 /* Process any deferred work. */
5253 if (!list_empty(&vha->work_list))
5254 start_dpc++;
5255
5256 /* Schedule the DPC routine if needed */
5257 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5258 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5259 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5260 start_dpc ||
5261 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5262 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5263 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5264 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5265 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5266 test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5267 ql_dbg(ql_dbg_timer, vha, 0x600b,
5268 "isp_abort_needed=%d loop_resync_needed=%d "
5269 "fcport_update_needed=%d start_dpc=%d "
5270 "reset_marker_needed=%d",
5271 test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5272 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5273 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5274 start_dpc,
5275 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5276 ql_dbg(ql_dbg_timer, vha, 0x600c,
5277 "beacon_blink_needed=%d isp_unrecoverable=%d "
5278 "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5279 "relogin_needed=%d.\n",
5280 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5281 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5282 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5283 test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5284 test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5285 qla2xxx_wake_dpc(vha);
5286 }
5287
5288 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5289 }
5290
5291 /* Firmware interface routines. */
5292
5293 #define FW_BLOBS 11
5294 #define FW_ISP21XX 0
5295 #define FW_ISP22XX 1
5296 #define FW_ISP2300 2
5297 #define FW_ISP2322 3
5298 #define FW_ISP24XX 4
5299 #define FW_ISP25XX 5
5300 #define FW_ISP81XX 6
5301 #define FW_ISP82XX 7
5302 #define FW_ISP2031 8
5303 #define FW_ISP8031 9
5304 #define FW_ISP27XX 10
5305
5306 #define FW_FILE_ISP21XX "ql2100_fw.bin"
5307 #define FW_FILE_ISP22XX "ql2200_fw.bin"
5308 #define FW_FILE_ISP2300 "ql2300_fw.bin"
5309 #define FW_FILE_ISP2322 "ql2322_fw.bin"
5310 #define FW_FILE_ISP24XX "ql2400_fw.bin"
5311 #define FW_FILE_ISP25XX "ql2500_fw.bin"
5312 #define FW_FILE_ISP81XX "ql8100_fw.bin"
5313 #define FW_FILE_ISP82XX "ql8200_fw.bin"
5314 #define FW_FILE_ISP2031 "ql2600_fw.bin"
5315 #define FW_FILE_ISP8031 "ql8300_fw.bin"
5316 #define FW_FILE_ISP27XX "ql2700_fw.bin"
5317
5318
5319 static DEFINE_MUTEX(qla_fw_lock);
5320
5321 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5322 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5323 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5324 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5325 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5326 { .name = FW_FILE_ISP24XX, },
5327 { .name = FW_FILE_ISP25XX, },
5328 { .name = FW_FILE_ISP81XX, },
5329 { .name = FW_FILE_ISP82XX, },
5330 { .name = FW_FILE_ISP2031, },
5331 { .name = FW_FILE_ISP8031, },
5332 { .name = FW_FILE_ISP27XX, },
5333 };
5334
5335 struct fw_blob *
5336 qla2x00_request_firmware(scsi_qla_host_t *vha)
5337 {
5338 struct qla_hw_data *ha = vha->hw;
5339 struct fw_blob *blob;
5340
5341 if (IS_QLA2100(ha)) {
5342 blob = &qla_fw_blobs[FW_ISP21XX];
5343 } else if (IS_QLA2200(ha)) {
5344 blob = &qla_fw_blobs[FW_ISP22XX];
5345 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5346 blob = &qla_fw_blobs[FW_ISP2300];
5347 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5348 blob = &qla_fw_blobs[FW_ISP2322];
5349 } else if (IS_QLA24XX_TYPE(ha)) {
5350 blob = &qla_fw_blobs[FW_ISP24XX];
5351 } else if (IS_QLA25XX(ha)) {
5352 blob = &qla_fw_blobs[FW_ISP25XX];
5353 } else if (IS_QLA81XX(ha)) {
5354 blob = &qla_fw_blobs[FW_ISP81XX];
5355 } else if (IS_QLA82XX(ha)) {
5356 blob = &qla_fw_blobs[FW_ISP82XX];
5357 } else if (IS_QLA2031(ha)) {
5358 blob = &qla_fw_blobs[FW_ISP2031];
5359 } else if (IS_QLA8031(ha)) {
5360 blob = &qla_fw_blobs[FW_ISP8031];
5361 } else if (IS_QLA27XX(ha)) {
5362 blob = &qla_fw_blobs[FW_ISP27XX];
5363 } else {
5364 return NULL;
5365 }
5366
5367 mutex_lock(&qla_fw_lock);
5368 if (blob->fw)
5369 goto out;
5370
5371 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5372 ql_log(ql_log_warn, vha, 0x0063,
5373 "Failed to load firmware image (%s).\n", blob->name);
5374 blob->fw = NULL;
5375 blob = NULL;
5376 goto out;
5377 }
5378
5379 out:
5380 mutex_unlock(&qla_fw_lock);
5381 return blob;
5382 }
5383
5384 static void
5385 qla2x00_release_firmware(void)
5386 {
5387 int idx;
5388
5389 mutex_lock(&qla_fw_lock);
5390 for (idx = 0; idx < FW_BLOBS; idx++)
5391 release_firmware(qla_fw_blobs[idx].fw);
5392 mutex_unlock(&qla_fw_lock);
5393 }
5394
5395 static pci_ers_result_t
5396 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5397 {
5398 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5399 struct qla_hw_data *ha = vha->hw;
5400
5401 ql_dbg(ql_dbg_aer, vha, 0x9000,
5402 "PCI error detected, state %x.\n", state);
5403
5404 switch (state) {
5405 case pci_channel_io_normal:
5406 ha->flags.eeh_busy = 0;
5407 return PCI_ERS_RESULT_CAN_RECOVER;
5408 case pci_channel_io_frozen:
5409 ha->flags.eeh_busy = 1;
5410 /* For ISP82XX complete any pending mailbox cmd */
5411 if (IS_QLA82XX(ha)) {
5412 ha->flags.isp82xx_fw_hung = 1;
5413 ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5414 qla82xx_clear_pending_mbx(vha);
5415 }
5416 qla2x00_free_irqs(vha);
5417 pci_disable_device(pdev);
5418 /* Return back all IOs */
5419 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5420 return PCI_ERS_RESULT_NEED_RESET;
5421 case pci_channel_io_perm_failure:
5422 ha->flags.pci_channel_io_perm_failure = 1;
5423 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5424 return PCI_ERS_RESULT_DISCONNECT;
5425 }
5426 return PCI_ERS_RESULT_NEED_RESET;
5427 }
5428
5429 static pci_ers_result_t
5430 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5431 {
5432 int risc_paused = 0;
5433 uint32_t stat;
5434 unsigned long flags;
5435 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5436 struct qla_hw_data *ha = base_vha->hw;
5437 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5438 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5439
5440 if (IS_QLA82XX(ha))
5441 return PCI_ERS_RESULT_RECOVERED;
5442
5443 spin_lock_irqsave(&ha->hardware_lock, flags);
5444 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5445 stat = RD_REG_DWORD(&reg->hccr);
5446 if (stat & HCCR_RISC_PAUSE)
5447 risc_paused = 1;
5448 } else if (IS_QLA23XX(ha)) {
5449 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5450 if (stat & HSR_RISC_PAUSED)
5451 risc_paused = 1;
5452 } else if (IS_FWI2_CAPABLE(ha)) {
5453 stat = RD_REG_DWORD(&reg24->host_status);
5454 if (stat & HSRX_RISC_PAUSED)
5455 risc_paused = 1;
5456 }
5457 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5458
5459 if (risc_paused) {
5460 ql_log(ql_log_info, base_vha, 0x9003,
5461 "RISC paused -- mmio_enabled, Dumping firmware.\n");
5462 ha->isp_ops->fw_dump(base_vha, 0);
5463
5464 return PCI_ERS_RESULT_NEED_RESET;
5465 } else
5466 return PCI_ERS_RESULT_RECOVERED;
5467 }
5468
5469 static uint32_t
5470 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5471 {
5472 uint32_t rval = QLA_FUNCTION_FAILED;
5473 uint32_t drv_active = 0;
5474 struct qla_hw_data *ha = base_vha->hw;
5475 int fn;
5476 struct pci_dev *other_pdev = NULL;
5477
5478 ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5479 "Entered %s.\n", __func__);
5480
5481 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5482
5483 if (base_vha->flags.online) {
5484 /* Abort all outstanding commands,
5485 * so as to be requeued later */
5486 qla2x00_abort_isp_cleanup(base_vha);
5487 }
5488
5489
5490 fn = PCI_FUNC(ha->pdev->devfn);
5491 while (fn > 0) {
5492 fn--;
5493 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5494 "Finding pci device at function = 0x%x.\n", fn);
5495 other_pdev =
5496 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5497 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5498 fn));
5499
5500 if (!other_pdev)
5501 continue;
5502 if (atomic_read(&other_pdev->enable_cnt)) {
5503 ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5504 "Found PCI func available and enable at 0x%x.\n",
5505 fn);
5506 pci_dev_put(other_pdev);
5507 break;
5508 }
5509 pci_dev_put(other_pdev);
5510 }
5511
5512 if (!fn) {
5513 /* Reset owner */
5514 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5515 "This devfn is reset owner = 0x%x.\n",
5516 ha->pdev->devfn);
5517 qla82xx_idc_lock(ha);
5518
5519 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5520 QLA8XXX_DEV_INITIALIZING);
5521
5522 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5523 QLA82XX_IDC_VERSION);
5524
5525 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5526 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5527 "drv_active = 0x%x.\n", drv_active);
5528
5529 qla82xx_idc_unlock(ha);
5530 /* Reset if device is not already reset
5531 * drv_active would be 0 if a reset has already been done
5532 */
5533 if (drv_active)
5534 rval = qla82xx_start_firmware(base_vha);
5535 else
5536 rval = QLA_SUCCESS;
5537 qla82xx_idc_lock(ha);
5538
5539 if (rval != QLA_SUCCESS) {
5540 ql_log(ql_log_info, base_vha, 0x900b,
5541 "HW State: FAILED.\n");
5542 qla82xx_clear_drv_active(ha);
5543 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5544 QLA8XXX_DEV_FAILED);
5545 } else {
5546 ql_log(ql_log_info, base_vha, 0x900c,
5547 "HW State: READY.\n");
5548 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5549 QLA8XXX_DEV_READY);
5550 qla82xx_idc_unlock(ha);
5551 ha->flags.isp82xx_fw_hung = 0;
5552 rval = qla82xx_restart_isp(base_vha);
5553 qla82xx_idc_lock(ha);
5554 /* Clear driver state register */
5555 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5556 qla82xx_set_drv_active(base_vha);
5557 }
5558 qla82xx_idc_unlock(ha);
5559 } else {
5560 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5561 "This devfn is not reset owner = 0x%x.\n",
5562 ha->pdev->devfn);
5563 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5564 QLA8XXX_DEV_READY)) {
5565 ha->flags.isp82xx_fw_hung = 0;
5566 rval = qla82xx_restart_isp(base_vha);
5567 qla82xx_idc_lock(ha);
5568 qla82xx_set_drv_active(base_vha);
5569 qla82xx_idc_unlock(ha);
5570 }
5571 }
5572 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5573
5574 return rval;
5575 }
5576
5577 static pci_ers_result_t
5578 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5579 {
5580 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5581 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5582 struct qla_hw_data *ha = base_vha->hw;
5583 struct rsp_que *rsp;
5584 int rc, retries = 10;
5585
5586 ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5587 "Slot Reset.\n");
5588
5589 /* Workaround: qla2xxx driver which access hardware earlier
5590 * needs error state to be pci_channel_io_online.
5591 * Otherwise mailbox command timesout.
5592 */
5593 pdev->error_state = pci_channel_io_normal;
5594
5595 pci_restore_state(pdev);
5596
5597 /* pci_restore_state() clears the saved_state flag of the device
5598 * save restored state which resets saved_state flag
5599 */
5600 pci_save_state(pdev);
5601
5602 if (ha->mem_only)
5603 rc = pci_enable_device_mem(pdev);
5604 else
5605 rc = pci_enable_device(pdev);
5606
5607 if (rc) {
5608 ql_log(ql_log_warn, base_vha, 0x9005,
5609 "Can't re-enable PCI device after reset.\n");
5610 goto exit_slot_reset;
5611 }
5612
5613 rsp = ha->rsp_q_map[0];
5614 if (qla2x00_request_irqs(ha, rsp))
5615 goto exit_slot_reset;
5616
5617 if (ha->isp_ops->pci_config(base_vha))
5618 goto exit_slot_reset;
5619
5620 if (IS_QLA82XX(ha)) {
5621 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5622 ret = PCI_ERS_RESULT_RECOVERED;
5623 goto exit_slot_reset;
5624 } else
5625 goto exit_slot_reset;
5626 }
5627
5628 while (ha->flags.mbox_busy && retries--)
5629 msleep(1000);
5630
5631 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5632 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5633 ret = PCI_ERS_RESULT_RECOVERED;
5634 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5635
5636
5637 exit_slot_reset:
5638 ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5639 "slot_reset return %x.\n", ret);
5640
5641 return ret;
5642 }
5643
5644 static void
5645 qla2xxx_pci_resume(struct pci_dev *pdev)
5646 {
5647 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5648 struct qla_hw_data *ha = base_vha->hw;
5649 int ret;
5650
5651 ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5652 "pci_resume.\n");
5653
5654 ret = qla2x00_wait_for_hba_online(base_vha);
5655 if (ret != QLA_SUCCESS) {
5656 ql_log(ql_log_fatal, base_vha, 0x9002,
5657 "The device failed to resume I/O from slot/link_reset.\n");
5658 }
5659
5660 pci_cleanup_aer_uncorrect_error_status(pdev);
5661
5662 ha->flags.eeh_busy = 0;
5663 }
5664
5665 static void
5666 qla83xx_disable_laser(scsi_qla_host_t *vha)
5667 {
5668 uint32_t reg, data, fn;
5669 struct qla_hw_data *ha = vha->hw;
5670 struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5671
5672 /* pci func #/port # */
5673 ql_dbg(ql_dbg_init, vha, 0x004b,
5674 "Disabling Laser for hba: %p\n", vha);
5675
5676 fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5677 (BIT_15|BIT_14|BIT_13|BIT_12));
5678
5679 fn = (fn >> 12);
5680
5681 if (fn & 1)
5682 reg = PORT_1_2031;
5683 else
5684 reg = PORT_0_2031;
5685
5686 data = LASER_OFF_2031;
5687
5688 qla83xx_wr_reg(vha, reg, data);
5689 }
5690
5691 static const struct pci_error_handlers qla2xxx_err_handler = {
5692 .error_detected = qla2xxx_pci_error_detected,
5693 .mmio_enabled = qla2xxx_pci_mmio_enabled,
5694 .slot_reset = qla2xxx_pci_slot_reset,
5695 .resume = qla2xxx_pci_resume,
5696 };
5697
5698 static struct pci_device_id qla2xxx_pci_tbl[] = {
5699 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5700 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5701 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5702 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5703 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5704 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5705 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5706 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5707 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5708 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5709 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5710 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5711 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5712 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5713 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5714 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5715 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5716 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5717 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5718 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5719 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5720 { 0 },
5721 };
5722 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5723
5724 static struct pci_driver qla2xxx_pci_driver = {
5725 .name = QLA2XXX_DRIVER_NAME,
5726 .driver = {
5727 .owner = THIS_MODULE,
5728 },
5729 .id_table = qla2xxx_pci_tbl,
5730 .probe = qla2x00_probe_one,
5731 .remove = qla2x00_remove_one,
5732 .shutdown = qla2x00_shutdown,
5733 .err_handler = &qla2xxx_err_handler,
5734 };
5735
5736 static const struct file_operations apidev_fops = {
5737 .owner = THIS_MODULE,
5738 .llseek = noop_llseek,
5739 };
5740
5741 /**
5742 * qla2x00_module_init - Module initialization.
5743 **/
5744 static int __init
5745 qla2x00_module_init(void)
5746 {
5747 int ret = 0;
5748
5749 /* Allocate cache for SRBs. */
5750 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5751 SLAB_HWCACHE_ALIGN, NULL);
5752 if (srb_cachep == NULL) {
5753 ql_log(ql_log_fatal, NULL, 0x0001,
5754 "Unable to allocate SRB cache...Failing load!.\n");
5755 return -ENOMEM;
5756 }
5757
5758 /* Initialize target kmem_cache and mem_pools */
5759 ret = qlt_init();
5760 if (ret < 0) {
5761 kmem_cache_destroy(srb_cachep);
5762 return ret;
5763 } else if (ret > 0) {
5764 /*
5765 * If initiator mode is explictly disabled by qlt_init(),
5766 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5767 * performing scsi_scan_target() during LOOP UP event.
5768 */
5769 qla2xxx_transport_functions.disable_target_scan = 1;
5770 qla2xxx_transport_vport_functions.disable_target_scan = 1;
5771 }
5772
5773 /* Derive version string. */
5774 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5775 if (ql2xextended_error_logging)
5776 strcat(qla2x00_version_str, "-debug");
5777
5778 qla2xxx_transport_template =
5779 fc_attach_transport(&qla2xxx_transport_functions);
5780 if (!qla2xxx_transport_template) {
5781 kmem_cache_destroy(srb_cachep);
5782 ql_log(ql_log_fatal, NULL, 0x0002,
5783 "fc_attach_transport failed...Failing load!.\n");
5784 qlt_exit();
5785 return -ENODEV;
5786 }
5787
5788 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5789 if (apidev_major < 0) {
5790 ql_log(ql_log_fatal, NULL, 0x0003,
5791 "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5792 }
5793
5794 qla2xxx_transport_vport_template =
5795 fc_attach_transport(&qla2xxx_transport_vport_functions);
5796 if (!qla2xxx_transport_vport_template) {
5797 kmem_cache_destroy(srb_cachep);
5798 qlt_exit();
5799 fc_release_transport(qla2xxx_transport_template);
5800 ql_log(ql_log_fatal, NULL, 0x0004,
5801 "fc_attach_transport vport failed...Failing load!.\n");
5802 return -ENODEV;
5803 }
5804 ql_log(ql_log_info, NULL, 0x0005,
5805 "QLogic Fibre Channel HBA Driver: %s.\n",
5806 qla2x00_version_str);
5807 ret = pci_register_driver(&qla2xxx_pci_driver);
5808 if (ret) {
5809 kmem_cache_destroy(srb_cachep);
5810 qlt_exit();
5811 fc_release_transport(qla2xxx_transport_template);
5812 fc_release_transport(qla2xxx_transport_vport_template);
5813 ql_log(ql_log_fatal, NULL, 0x0006,
5814 "pci_register_driver failed...ret=%d Failing load!.\n",
5815 ret);
5816 }
5817 return ret;
5818 }
5819
5820 /**
5821 * qla2x00_module_exit - Module cleanup.
5822 **/
5823 static void __exit
5824 qla2x00_module_exit(void)
5825 {
5826 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5827 pci_unregister_driver(&qla2xxx_pci_driver);
5828 qla2x00_release_firmware();
5829 kmem_cache_destroy(srb_cachep);
5830 qlt_exit();
5831 if (ctx_cachep)
5832 kmem_cache_destroy(ctx_cachep);
5833 fc_release_transport(qla2xxx_transport_template);
5834 fc_release_transport(qla2xxx_transport_vport_template);
5835 }
5836
5837 module_init(qla2x00_module_init);
5838 module_exit(qla2x00_module_exit);
5839
5840 MODULE_AUTHOR("QLogic Corporation");
5841 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
5842 MODULE_LICENSE("GPL");
5843 MODULE_VERSION(QLA2XXX_VERSION);
5844 MODULE_FIRMWARE(FW_FILE_ISP21XX);
5845 MODULE_FIRMWARE(FW_FILE_ISP22XX);
5846 MODULE_FIRMWARE(FW_FILE_ISP2300);
5847 MODULE_FIRMWARE(FW_FILE_ISP2322);
5848 MODULE_FIRMWARE(FW_FILE_ISP24XX);
5849 MODULE_FIRMWARE(FW_FILE_ISP25XX);
5850 MODULE_FIRMWARE(FW_FILE_ISP2031);
5851 MODULE_FIRMWARE(FW_FILE_ISP8031);
5852 MODULE_FIRMWARE(FW_FILE_ISP27XX);
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