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Merge remote-tracking branch 'spi/topic/xilinx' into spi-next
[deliverable/linux.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 enalbed, "
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 enalbed, "
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->max_loop_id = SNS_LAST_LOOP_ID_2300;
2508 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2509 ha->gid_list_info_size = 8;
2510 ha->optrom_size = OPTROM_SIZE_83XX;
2511 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2512 ha->isp_ops = &qla27xx_isp_ops;
2513 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2514 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2515 ha->nvram_conf_off = ~0;
2516 ha->nvram_data_off = ~0;
2517 }
2518
2519 ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2520 "mbx_count=%d, req_length=%d, "
2521 "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2522 "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2523 "max_fibre_devices=%d.\n",
2524 ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2525 ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2526 ha->nvram_npiv_size, ha->max_fibre_devices);
2527 ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2528 "isp_ops=%p, flash_conf_off=%d, "
2529 "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2530 ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2531 ha->nvram_conf_off, ha->nvram_data_off);
2532
2533 /* Configure PCI I/O space */
2534 ret = ha->isp_ops->iospace_config(ha);
2535 if (ret)
2536 goto iospace_config_failed;
2537
2538 ql_log_pci(ql_log_info, pdev, 0x001d,
2539 "Found an ISP%04X irq %d iobase 0x%p.\n",
2540 pdev->device, pdev->irq, ha->iobase);
2541 mutex_init(&ha->vport_lock);
2542 init_completion(&ha->mbx_cmd_comp);
2543 complete(&ha->mbx_cmd_comp);
2544 init_completion(&ha->mbx_intr_comp);
2545 init_completion(&ha->dcbx_comp);
2546 init_completion(&ha->lb_portup_comp);
2547
2548 set_bit(0, (unsigned long *) ha->vp_idx_map);
2549
2550 qla2x00_config_dma_addressing(ha);
2551 ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2552 "64 Bit addressing is %s.\n",
2553 ha->flags.enable_64bit_addressing ? "enable" :
2554 "disable");
2555 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2556 if (ret) {
2557 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2558 "Failed to allocate memory for adapter, aborting.\n");
2559
2560 goto probe_hw_failed;
2561 }
2562
2563 req->max_q_depth = MAX_Q_DEPTH;
2564 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2565 req->max_q_depth = ql2xmaxqdepth;
2566
2567
2568 base_vha = qla2x00_create_host(sht, ha);
2569 if (!base_vha) {
2570 ret = -ENOMEM;
2571 qla2x00_mem_free(ha);
2572 qla2x00_free_req_que(ha, req);
2573 qla2x00_free_rsp_que(ha, rsp);
2574 goto probe_hw_failed;
2575 }
2576
2577 pci_set_drvdata(pdev, base_vha);
2578 set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2579
2580 host = base_vha->host;
2581 base_vha->req = req;
2582 if (IS_QLA2XXX_MIDTYPE(ha))
2583 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2584 else
2585 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2586 base_vha->vp_idx;
2587
2588 /* Setup fcport template structure. */
2589 ha->mr.fcport.vha = base_vha;
2590 ha->mr.fcport.port_type = FCT_UNKNOWN;
2591 ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2592 qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2593 ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2594 ha->mr.fcport.scan_state = 1;
2595
2596 /* Set the SG table size based on ISP type */
2597 if (!IS_FWI2_CAPABLE(ha)) {
2598 if (IS_QLA2100(ha))
2599 host->sg_tablesize = 32;
2600 } else {
2601 if (!IS_QLA82XX(ha))
2602 host->sg_tablesize = QLA_SG_ALL;
2603 }
2604 host->max_id = ha->max_fibre_devices;
2605 host->cmd_per_lun = 3;
2606 host->unique_id = host->host_no;
2607 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2608 host->max_cmd_len = 32;
2609 else
2610 host->max_cmd_len = MAX_CMDSZ;
2611 host->max_channel = MAX_BUSES - 1;
2612 /* Older HBAs support only 16-bit LUNs */
2613 if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2614 ql2xmaxlun > 0xffff)
2615 host->max_lun = 0xffff;
2616 else
2617 host->max_lun = ql2xmaxlun;
2618 host->transportt = qla2xxx_transport_template;
2619 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2620
2621 ql_dbg(ql_dbg_init, base_vha, 0x0033,
2622 "max_id=%d this_id=%d "
2623 "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2624 "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2625 host->this_id, host->cmd_per_lun, host->unique_id,
2626 host->max_cmd_len, host->max_channel, host->max_lun,
2627 host->transportt, sht->vendor_id);
2628
2629 que_init:
2630 /* Alloc arrays of request and response ring ptrs */
2631 if (!qla2x00_alloc_queues(ha, req, rsp)) {
2632 ql_log(ql_log_fatal, base_vha, 0x003d,
2633 "Failed to allocate memory for queue pointers..."
2634 "aborting.\n");
2635 goto probe_init_failed;
2636 }
2637
2638 qlt_probe_one_stage1(base_vha, ha);
2639
2640 /* Set up the irqs */
2641 ret = qla2x00_request_irqs(ha, rsp);
2642 if (ret)
2643 goto probe_init_failed;
2644
2645 pci_save_state(pdev);
2646
2647 /* Assign back pointers */
2648 rsp->req = req;
2649 req->rsp = rsp;
2650
2651 if (IS_QLAFX00(ha)) {
2652 ha->rsp_q_map[0] = rsp;
2653 ha->req_q_map[0] = req;
2654 set_bit(0, ha->req_qid_map);
2655 set_bit(0, ha->rsp_qid_map);
2656 }
2657
2658 /* FWI2-capable only. */
2659 req->req_q_in = &ha->iobase->isp24.req_q_in;
2660 req->req_q_out = &ha->iobase->isp24.req_q_out;
2661 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2662 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2663 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2664 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2665 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2666 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2667 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2668 }
2669
2670 if (IS_QLAFX00(ha)) {
2671 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2672 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2673 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2674 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2675 }
2676
2677 if (IS_P3P_TYPE(ha)) {
2678 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2679 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2680 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2681 }
2682
2683 ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2684 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2685 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2686 ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2687 "req->req_q_in=%p req->req_q_out=%p "
2688 "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2689 req->req_q_in, req->req_q_out,
2690 rsp->rsp_q_in, rsp->rsp_q_out);
2691 ql_dbg(ql_dbg_init, base_vha, 0x003e,
2692 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2693 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2694 ql_dbg(ql_dbg_init, base_vha, 0x003f,
2695 "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2696 req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2697
2698 if (ha->isp_ops->initialize_adapter(base_vha)) {
2699 ql_log(ql_log_fatal, base_vha, 0x00d6,
2700 "Failed to initialize adapter - Adapter flags %x.\n",
2701 base_vha->device_flags);
2702
2703 if (IS_QLA82XX(ha)) {
2704 qla82xx_idc_lock(ha);
2705 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2706 QLA8XXX_DEV_FAILED);
2707 qla82xx_idc_unlock(ha);
2708 ql_log(ql_log_fatal, base_vha, 0x00d7,
2709 "HW State: FAILED.\n");
2710 } else if (IS_QLA8044(ha)) {
2711 qla8044_idc_lock(ha);
2712 qla8044_wr_direct(base_vha,
2713 QLA8044_CRB_DEV_STATE_INDEX,
2714 QLA8XXX_DEV_FAILED);
2715 qla8044_idc_unlock(ha);
2716 ql_log(ql_log_fatal, base_vha, 0x0150,
2717 "HW State: FAILED.\n");
2718 }
2719
2720 ret = -ENODEV;
2721 goto probe_failed;
2722 }
2723
2724 if (IS_QLAFX00(ha))
2725 host->can_queue = QLAFX00_MAX_CANQUEUE;
2726 else
2727 host->can_queue = req->num_outstanding_cmds - 10;
2728
2729 ql_dbg(ql_dbg_init, base_vha, 0x0032,
2730 "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2731 host->can_queue, base_vha->req,
2732 base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2733
2734 if (ha->mqenable) {
2735 if (qla25xx_setup_mode(base_vha)) {
2736 ql_log(ql_log_warn, base_vha, 0x00ec,
2737 "Failed to create queues, falling back to single queue mode.\n");
2738 goto que_init;
2739 }
2740 }
2741
2742 if (ha->flags.running_gold_fw)
2743 goto skip_dpc;
2744
2745 /*
2746 * Startup the kernel thread for this host adapter
2747 */
2748 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2749 "%s_dpc", base_vha->host_str);
2750 if (IS_ERR(ha->dpc_thread)) {
2751 ql_log(ql_log_fatal, base_vha, 0x00ed,
2752 "Failed to start DPC thread.\n");
2753 ret = PTR_ERR(ha->dpc_thread);
2754 goto probe_failed;
2755 }
2756 ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2757 "DPC thread started successfully.\n");
2758
2759 /*
2760 * If we're not coming up in initiator mode, we might sit for
2761 * a while without waking up the dpc thread, which leads to a
2762 * stuck process warning. So just kick the dpc once here and
2763 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2764 */
2765 qla2xxx_wake_dpc(base_vha);
2766
2767 INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2768
2769 if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2770 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2771 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2772 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2773
2774 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2775 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2776 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2777 INIT_WORK(&ha->idc_state_handler,
2778 qla83xx_idc_state_handler_work);
2779 INIT_WORK(&ha->nic_core_unrecoverable,
2780 qla83xx_nic_core_unrecoverable_work);
2781 }
2782
2783 skip_dpc:
2784 list_add_tail(&base_vha->list, &ha->vp_list);
2785 base_vha->host->irq = ha->pdev->irq;
2786
2787 /* Initialized the timer */
2788 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2789 ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2790 "Started qla2x00_timer with "
2791 "interval=%d.\n", WATCH_INTERVAL);
2792 ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2793 "Detected hba at address=%p.\n",
2794 ha);
2795
2796 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2797 if (ha->fw_attributes & BIT_4) {
2798 int prot = 0, guard;
2799 base_vha->flags.difdix_supported = 1;
2800 ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2801 "Registering for DIF/DIX type 1 and 3 protection.\n");
2802 if (ql2xenabledif == 1)
2803 prot = SHOST_DIX_TYPE0_PROTECTION;
2804 scsi_host_set_prot(host,
2805 prot | SHOST_DIF_TYPE1_PROTECTION
2806 | SHOST_DIF_TYPE2_PROTECTION
2807 | SHOST_DIF_TYPE3_PROTECTION
2808 | SHOST_DIX_TYPE1_PROTECTION
2809 | SHOST_DIX_TYPE2_PROTECTION
2810 | SHOST_DIX_TYPE3_PROTECTION);
2811
2812 guard = SHOST_DIX_GUARD_CRC;
2813
2814 if (IS_PI_IPGUARD_CAPABLE(ha) &&
2815 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2816 guard |= SHOST_DIX_GUARD_IP;
2817
2818 scsi_host_set_guard(host, guard);
2819 } else
2820 base_vha->flags.difdix_supported = 0;
2821 }
2822
2823 ha->isp_ops->enable_intrs(ha);
2824
2825 if (IS_QLAFX00(ha)) {
2826 ret = qlafx00_fx_disc(base_vha,
2827 &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2828 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2829 QLA_SG_ALL : 128;
2830 }
2831
2832 ret = scsi_add_host(host, &pdev->dev);
2833 if (ret)
2834 goto probe_failed;
2835
2836 base_vha->flags.init_done = 1;
2837 base_vha->flags.online = 1;
2838 ha->prev_minidump_failed = 0;
2839
2840 ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2841 "Init done and hba is online.\n");
2842
2843 if (qla_ini_mode_enabled(base_vha))
2844 scsi_scan_host(host);
2845 else
2846 ql_dbg(ql_dbg_init, base_vha, 0x0122,
2847 "skipping scsi_scan_host() for non-initiator port\n");
2848
2849 qla2x00_alloc_sysfs_attr(base_vha);
2850
2851 if (IS_QLAFX00(ha)) {
2852 ret = qlafx00_fx_disc(base_vha,
2853 &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2854
2855 /* Register system information */
2856 ret = qlafx00_fx_disc(base_vha,
2857 &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2858 }
2859
2860 qla2x00_init_host_attr(base_vha);
2861
2862 qla2x00_dfs_setup(base_vha);
2863
2864 ql_log(ql_log_info, base_vha, 0x00fb,
2865 "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2866 ql_log(ql_log_info, base_vha, 0x00fc,
2867 "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2868 pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2869 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2870 base_vha->host_no,
2871 ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2872
2873 qlt_add_target(ha, base_vha);
2874
2875 clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2876 return 0;
2877
2878 probe_init_failed:
2879 qla2x00_free_req_que(ha, req);
2880 ha->req_q_map[0] = NULL;
2881 clear_bit(0, ha->req_qid_map);
2882 qla2x00_free_rsp_que(ha, rsp);
2883 ha->rsp_q_map[0] = NULL;
2884 clear_bit(0, ha->rsp_qid_map);
2885 ha->max_req_queues = ha->max_rsp_queues = 0;
2886
2887 probe_failed:
2888 if (base_vha->timer_active)
2889 qla2x00_stop_timer(base_vha);
2890 base_vha->flags.online = 0;
2891 if (ha->dpc_thread) {
2892 struct task_struct *t = ha->dpc_thread;
2893
2894 ha->dpc_thread = NULL;
2895 kthread_stop(t);
2896 }
2897
2898 qla2x00_free_device(base_vha);
2899
2900 scsi_host_put(base_vha->host);
2901
2902 probe_hw_failed:
2903 qla2x00_clear_drv_active(ha);
2904
2905 iospace_config_failed:
2906 if (IS_P3P_TYPE(ha)) {
2907 if (!ha->nx_pcibase)
2908 iounmap((device_reg_t *)ha->nx_pcibase);
2909 if (!ql2xdbwr)
2910 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2911 } else {
2912 if (ha->iobase)
2913 iounmap(ha->iobase);
2914 if (ha->cregbase)
2915 iounmap(ha->cregbase);
2916 }
2917 pci_release_selected_regions(ha->pdev, ha->bars);
2918 kfree(ha);
2919 ha = NULL;
2920
2921 probe_out:
2922 pci_disable_device(pdev);
2923 return ret;
2924 }
2925
2926 static void
2927 qla2x00_shutdown(struct pci_dev *pdev)
2928 {
2929 scsi_qla_host_t *vha;
2930 struct qla_hw_data *ha;
2931
2932 if (!atomic_read(&pdev->enable_cnt))
2933 return;
2934
2935 vha = pci_get_drvdata(pdev);
2936 ha = vha->hw;
2937
2938 /* Notify ISPFX00 firmware */
2939 if (IS_QLAFX00(ha))
2940 qlafx00_driver_shutdown(vha, 20);
2941
2942 /* Turn-off FCE trace */
2943 if (ha->flags.fce_enabled) {
2944 qla2x00_disable_fce_trace(vha, NULL, NULL);
2945 ha->flags.fce_enabled = 0;
2946 }
2947
2948 /* Turn-off EFT trace */
2949 if (ha->eft)
2950 qla2x00_disable_eft_trace(vha);
2951
2952 /* Stop currently executing firmware. */
2953 qla2x00_try_to_stop_firmware(vha);
2954
2955 /* Turn adapter off line */
2956 vha->flags.online = 0;
2957
2958 /* turn-off interrupts on the card */
2959 if (ha->interrupts_on) {
2960 vha->flags.init_done = 0;
2961 ha->isp_ops->disable_intrs(ha);
2962 }
2963
2964 qla2x00_free_irqs(vha);
2965
2966 qla2x00_free_fw_dump(ha);
2967
2968 pci_disable_pcie_error_reporting(pdev);
2969 pci_disable_device(pdev);
2970 }
2971
2972 /* Deletes all the virtual ports for a given ha */
2973 static void
2974 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
2975 {
2976 struct Scsi_Host *scsi_host;
2977 scsi_qla_host_t *vha;
2978 unsigned long flags;
2979
2980 mutex_lock(&ha->vport_lock);
2981 while (ha->cur_vport_count) {
2982 spin_lock_irqsave(&ha->vport_slock, flags);
2983
2984 BUG_ON(base_vha->list.next == &ha->vp_list);
2985 /* This assumes first entry in ha->vp_list is always base vha */
2986 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2987 scsi_host = scsi_host_get(vha->host);
2988
2989 spin_unlock_irqrestore(&ha->vport_slock, flags);
2990 mutex_unlock(&ha->vport_lock);
2991
2992 fc_vport_terminate(vha->fc_vport);
2993 scsi_host_put(vha->host);
2994
2995 mutex_lock(&ha->vport_lock);
2996 }
2997 mutex_unlock(&ha->vport_lock);
2998 }
2999
3000 /* Stops all deferred work threads */
3001 static void
3002 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3003 {
3004 /* Flush the work queue and remove it */
3005 if (ha->wq) {
3006 flush_workqueue(ha->wq);
3007 destroy_workqueue(ha->wq);
3008 ha->wq = NULL;
3009 }
3010
3011 /* Cancel all work and destroy DPC workqueues */
3012 if (ha->dpc_lp_wq) {
3013 cancel_work_sync(&ha->idc_aen);
3014 destroy_workqueue(ha->dpc_lp_wq);
3015 ha->dpc_lp_wq = NULL;
3016 }
3017
3018 if (ha->dpc_hp_wq) {
3019 cancel_work_sync(&ha->nic_core_reset);
3020 cancel_work_sync(&ha->idc_state_handler);
3021 cancel_work_sync(&ha->nic_core_unrecoverable);
3022 destroy_workqueue(ha->dpc_hp_wq);
3023 ha->dpc_hp_wq = NULL;
3024 }
3025
3026 /* Kill the kernel thread for this host */
3027 if (ha->dpc_thread) {
3028 struct task_struct *t = ha->dpc_thread;
3029
3030 /*
3031 * qla2xxx_wake_dpc checks for ->dpc_thread
3032 * so we need to zero it out.
3033 */
3034 ha->dpc_thread = NULL;
3035 kthread_stop(t);
3036 }
3037 }
3038
3039 static void
3040 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3041 {
3042 if (IS_QLA82XX(ha)) {
3043
3044 iounmap((device_reg_t *)ha->nx_pcibase);
3045 if (!ql2xdbwr)
3046 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3047 } else {
3048 if (ha->iobase)
3049 iounmap(ha->iobase);
3050
3051 if (ha->cregbase)
3052 iounmap(ha->cregbase);
3053
3054 if (ha->mqiobase)
3055 iounmap(ha->mqiobase);
3056
3057 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3058 iounmap(ha->msixbase);
3059 }
3060 }
3061
3062 static void
3063 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3064 {
3065 if (IS_QLA8044(ha)) {
3066 qla8044_idc_lock(ha);
3067 qla8044_clear_drv_active(ha);
3068 qla8044_idc_unlock(ha);
3069 } else if (IS_QLA82XX(ha)) {
3070 qla82xx_idc_lock(ha);
3071 qla82xx_clear_drv_active(ha);
3072 qla82xx_idc_unlock(ha);
3073 }
3074 }
3075
3076 static void
3077 qla2x00_remove_one(struct pci_dev *pdev)
3078 {
3079 scsi_qla_host_t *base_vha;
3080 struct qla_hw_data *ha;
3081
3082 base_vha = pci_get_drvdata(pdev);
3083 ha = base_vha->hw;
3084
3085 /* Indicate device removal to prevent future board_disable and wait
3086 * until any pending board_disable has completed. */
3087 set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3088 cancel_work_sync(&ha->board_disable);
3089
3090 /*
3091 * If the PCI device is disabled then there was a PCI-disconnect and
3092 * qla2x00_disable_board_on_pci_error has taken care of most of the
3093 * resources.
3094 */
3095 if (!atomic_read(&pdev->enable_cnt)) {
3096 scsi_host_put(base_vha->host);
3097 kfree(ha);
3098 pci_set_drvdata(pdev, NULL);
3099 return;
3100 }
3101
3102 qla2x00_wait_for_hba_ready(base_vha);
3103
3104 set_bit(UNLOADING, &base_vha->dpc_flags);
3105
3106 if (IS_QLAFX00(ha))
3107 qlafx00_driver_shutdown(base_vha, 20);
3108
3109 qla2x00_delete_all_vps(ha, base_vha);
3110
3111 if (IS_QLA8031(ha)) {
3112 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3113 "Clearing fcoe driver presence.\n");
3114 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3115 ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3116 "Error while clearing DRV-Presence.\n");
3117 }
3118
3119 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3120
3121 qla2x00_dfs_remove(base_vha);
3122
3123 qla84xx_put_chip(base_vha);
3124
3125 /* Laser should be disabled only for ISP2031 */
3126 if (IS_QLA2031(ha))
3127 qla83xx_disable_laser(base_vha);
3128
3129 /* Disable timer */
3130 if (base_vha->timer_active)
3131 qla2x00_stop_timer(base_vha);
3132
3133 base_vha->flags.online = 0;
3134
3135 qla2x00_destroy_deferred_work(ha);
3136
3137 qlt_remove_target(ha, base_vha);
3138
3139 qla2x00_free_sysfs_attr(base_vha, true);
3140
3141 fc_remove_host(base_vha->host);
3142
3143 scsi_remove_host(base_vha->host);
3144
3145 qla2x00_free_device(base_vha);
3146
3147 qla2x00_clear_drv_active(ha);
3148
3149 scsi_host_put(base_vha->host);
3150
3151 qla2x00_unmap_iobases(ha);
3152
3153 pci_release_selected_regions(ha->pdev, ha->bars);
3154 kfree(ha);
3155 ha = NULL;
3156
3157 pci_disable_pcie_error_reporting(pdev);
3158
3159 pci_disable_device(pdev);
3160 }
3161
3162 static void
3163 qla2x00_free_device(scsi_qla_host_t *vha)
3164 {
3165 struct qla_hw_data *ha = vha->hw;
3166
3167 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3168
3169 /* Disable timer */
3170 if (vha->timer_active)
3171 qla2x00_stop_timer(vha);
3172
3173 qla25xx_delete_queues(vha);
3174
3175 if (ha->flags.fce_enabled)
3176 qla2x00_disable_fce_trace(vha, NULL, NULL);
3177
3178 if (ha->eft)
3179 qla2x00_disable_eft_trace(vha);
3180
3181 /* Stop currently executing firmware. */
3182 qla2x00_try_to_stop_firmware(vha);
3183
3184 vha->flags.online = 0;
3185
3186 /* turn-off interrupts on the card */
3187 if (ha->interrupts_on) {
3188 vha->flags.init_done = 0;
3189 ha->isp_ops->disable_intrs(ha);
3190 }
3191
3192 qla2x00_free_irqs(vha);
3193
3194 qla2x00_free_fcports(vha);
3195
3196 qla2x00_mem_free(ha);
3197
3198 qla82xx_md_free(vha);
3199
3200 qla2x00_free_queues(ha);
3201 }
3202
3203 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3204 {
3205 fc_port_t *fcport, *tfcport;
3206
3207 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3208 list_del(&fcport->list);
3209 qla2x00_clear_loop_id(fcport);
3210 kfree(fcport);
3211 fcport = NULL;
3212 }
3213 }
3214
3215 static inline void
3216 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3217 int defer)
3218 {
3219 struct fc_rport *rport;
3220 scsi_qla_host_t *base_vha;
3221 unsigned long flags;
3222
3223 if (!fcport->rport)
3224 return;
3225
3226 rport = fcport->rport;
3227 if (defer) {
3228 base_vha = pci_get_drvdata(vha->hw->pdev);
3229 spin_lock_irqsave(vha->host->host_lock, flags);
3230 fcport->drport = rport;
3231 spin_unlock_irqrestore(vha->host->host_lock, flags);
3232 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3233 qla2xxx_wake_dpc(base_vha);
3234 } else {
3235 fc_remote_port_delete(rport);
3236 qlt_fc_port_deleted(vha, fcport);
3237 }
3238 }
3239
3240 /*
3241 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3242 *
3243 * Input: ha = adapter block pointer. fcport = port structure pointer.
3244 *
3245 * Return: None.
3246 *
3247 * Context:
3248 */
3249 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3250 int do_login, int defer)
3251 {
3252 if (IS_QLAFX00(vha->hw)) {
3253 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3254 qla2x00_schedule_rport_del(vha, fcport, defer);
3255 return;
3256 }
3257
3258 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3259 vha->vp_idx == fcport->vha->vp_idx) {
3260 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3261 qla2x00_schedule_rport_del(vha, fcport, defer);
3262 }
3263 /*
3264 * We may need to retry the login, so don't change the state of the
3265 * port but do the retries.
3266 */
3267 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3268 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3269
3270 if (!do_login)
3271 return;
3272
3273 if (fcport->login_retry == 0) {
3274 fcport->login_retry = vha->hw->login_retry_count;
3275 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3276
3277 ql_dbg(ql_dbg_disc, vha, 0x2067,
3278 "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3279 fcport->port_name, fcport->loop_id, fcport->login_retry);
3280 }
3281 }
3282
3283 /*
3284 * qla2x00_mark_all_devices_lost
3285 * Updates fcport state when device goes offline.
3286 *
3287 * Input:
3288 * ha = adapter block pointer.
3289 * fcport = port structure pointer.
3290 *
3291 * Return:
3292 * None.
3293 *
3294 * Context:
3295 */
3296 void
3297 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3298 {
3299 fc_port_t *fcport;
3300
3301 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3302 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3303 continue;
3304
3305 /*
3306 * No point in marking the device as lost, if the device is
3307 * already DEAD.
3308 */
3309 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3310 continue;
3311 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3312 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3313 if (defer)
3314 qla2x00_schedule_rport_del(vha, fcport, defer);
3315 else if (vha->vp_idx == fcport->vha->vp_idx)
3316 qla2x00_schedule_rport_del(vha, fcport, defer);
3317 }
3318 }
3319 }
3320
3321 /*
3322 * qla2x00_mem_alloc
3323 * Allocates adapter memory.
3324 *
3325 * Returns:
3326 * 0 = success.
3327 * !0 = failure.
3328 */
3329 static int
3330 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3331 struct req_que **req, struct rsp_que **rsp)
3332 {
3333 char name[16];
3334
3335 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3336 &ha->init_cb_dma, GFP_KERNEL);
3337 if (!ha->init_cb)
3338 goto fail;
3339
3340 if (qlt_mem_alloc(ha) < 0)
3341 goto fail_free_init_cb;
3342
3343 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3344 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3345 if (!ha->gid_list)
3346 goto fail_free_tgt_mem;
3347
3348 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3349 if (!ha->srb_mempool)
3350 goto fail_free_gid_list;
3351
3352 if (IS_P3P_TYPE(ha)) {
3353 /* Allocate cache for CT6 Ctx. */
3354 if (!ctx_cachep) {
3355 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3356 sizeof(struct ct6_dsd), 0,
3357 SLAB_HWCACHE_ALIGN, NULL);
3358 if (!ctx_cachep)
3359 goto fail_free_gid_list;
3360 }
3361 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3362 ctx_cachep);
3363 if (!ha->ctx_mempool)
3364 goto fail_free_srb_mempool;
3365 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3366 "ctx_cachep=%p ctx_mempool=%p.\n",
3367 ctx_cachep, ha->ctx_mempool);
3368 }
3369
3370 /* Get memory for cached NVRAM */
3371 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3372 if (!ha->nvram)
3373 goto fail_free_ctx_mempool;
3374
3375 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3376 ha->pdev->device);
3377 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3378 DMA_POOL_SIZE, 8, 0);
3379 if (!ha->s_dma_pool)
3380 goto fail_free_nvram;
3381
3382 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3383 "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3384 ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3385
3386 if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3387 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3388 DSD_LIST_DMA_POOL_SIZE, 8, 0);
3389 if (!ha->dl_dma_pool) {
3390 ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3391 "Failed to allocate memory for dl_dma_pool.\n");
3392 goto fail_s_dma_pool;
3393 }
3394
3395 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3396 FCP_CMND_DMA_POOL_SIZE, 8, 0);
3397 if (!ha->fcp_cmnd_dma_pool) {
3398 ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3399 "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3400 goto fail_dl_dma_pool;
3401 }
3402 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3403 "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3404 ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3405 }
3406
3407 /* Allocate memory for SNS commands */
3408 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3409 /* Get consistent memory allocated for SNS commands */
3410 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3411 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3412 if (!ha->sns_cmd)
3413 goto fail_dma_pool;
3414 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3415 "sns_cmd: %p.\n", ha->sns_cmd);
3416 } else {
3417 /* Get consistent memory allocated for MS IOCB */
3418 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3419 &ha->ms_iocb_dma);
3420 if (!ha->ms_iocb)
3421 goto fail_dma_pool;
3422 /* Get consistent memory allocated for CT SNS commands */
3423 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3424 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3425 if (!ha->ct_sns)
3426 goto fail_free_ms_iocb;
3427 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3428 "ms_iocb=%p ct_sns=%p.\n",
3429 ha->ms_iocb, ha->ct_sns);
3430 }
3431
3432 /* Allocate memory for request ring */
3433 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3434 if (!*req) {
3435 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3436 "Failed to allocate memory for req.\n");
3437 goto fail_req;
3438 }
3439 (*req)->length = req_len;
3440 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3441 ((*req)->length + 1) * sizeof(request_t),
3442 &(*req)->dma, GFP_KERNEL);
3443 if (!(*req)->ring) {
3444 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3445 "Failed to allocate memory for req_ring.\n");
3446 goto fail_req_ring;
3447 }
3448 /* Allocate memory for response ring */
3449 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3450 if (!*rsp) {
3451 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3452 "Failed to allocate memory for rsp.\n");
3453 goto fail_rsp;
3454 }
3455 (*rsp)->hw = ha;
3456 (*rsp)->length = rsp_len;
3457 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3458 ((*rsp)->length + 1) * sizeof(response_t),
3459 &(*rsp)->dma, GFP_KERNEL);
3460 if (!(*rsp)->ring) {
3461 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3462 "Failed to allocate memory for rsp_ring.\n");
3463 goto fail_rsp_ring;
3464 }
3465 (*req)->rsp = *rsp;
3466 (*rsp)->req = *req;
3467 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3468 "req=%p req->length=%d req->ring=%p rsp=%p "
3469 "rsp->length=%d rsp->ring=%p.\n",
3470 *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3471 (*rsp)->ring);
3472 /* Allocate memory for NVRAM data for vports */
3473 if (ha->nvram_npiv_size) {
3474 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3475 ha->nvram_npiv_size, GFP_KERNEL);
3476 if (!ha->npiv_info) {
3477 ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3478 "Failed to allocate memory for npiv_info.\n");
3479 goto fail_npiv_info;
3480 }
3481 } else
3482 ha->npiv_info = NULL;
3483
3484 /* Get consistent memory allocated for EX-INIT-CB. */
3485 if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3486 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3487 &ha->ex_init_cb_dma);
3488 if (!ha->ex_init_cb)
3489 goto fail_ex_init_cb;
3490 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3491 "ex_init_cb=%p.\n", ha->ex_init_cb);
3492 }
3493
3494 INIT_LIST_HEAD(&ha->gbl_dsd_list);
3495
3496 /* Get consistent memory allocated for Async Port-Database. */
3497 if (!IS_FWI2_CAPABLE(ha)) {
3498 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3499 &ha->async_pd_dma);
3500 if (!ha->async_pd)
3501 goto fail_async_pd;
3502 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3503 "async_pd=%p.\n", ha->async_pd);
3504 }
3505
3506 INIT_LIST_HEAD(&ha->vp_list);
3507
3508 /* Allocate memory for our loop_id bitmap */
3509 ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3510 GFP_KERNEL);
3511 if (!ha->loop_id_map)
3512 goto fail_async_pd;
3513 else {
3514 qla2x00_set_reserved_loop_ids(ha);
3515 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3516 "loop_id_map=%p.\n", ha->loop_id_map);
3517 }
3518
3519 return 0;
3520
3521 fail_async_pd:
3522 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3523 fail_ex_init_cb:
3524 kfree(ha->npiv_info);
3525 fail_npiv_info:
3526 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3527 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3528 (*rsp)->ring = NULL;
3529 (*rsp)->dma = 0;
3530 fail_rsp_ring:
3531 kfree(*rsp);
3532 fail_rsp:
3533 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3534 sizeof(request_t), (*req)->ring, (*req)->dma);
3535 (*req)->ring = NULL;
3536 (*req)->dma = 0;
3537 fail_req_ring:
3538 kfree(*req);
3539 fail_req:
3540 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3541 ha->ct_sns, ha->ct_sns_dma);
3542 ha->ct_sns = NULL;
3543 ha->ct_sns_dma = 0;
3544 fail_free_ms_iocb:
3545 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3546 ha->ms_iocb = NULL;
3547 ha->ms_iocb_dma = 0;
3548 fail_dma_pool:
3549 if (IS_QLA82XX(ha) || ql2xenabledif) {
3550 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3551 ha->fcp_cmnd_dma_pool = NULL;
3552 }
3553 fail_dl_dma_pool:
3554 if (IS_QLA82XX(ha) || ql2xenabledif) {
3555 dma_pool_destroy(ha->dl_dma_pool);
3556 ha->dl_dma_pool = NULL;
3557 }
3558 fail_s_dma_pool:
3559 dma_pool_destroy(ha->s_dma_pool);
3560 ha->s_dma_pool = NULL;
3561 fail_free_nvram:
3562 kfree(ha->nvram);
3563 ha->nvram = NULL;
3564 fail_free_ctx_mempool:
3565 mempool_destroy(ha->ctx_mempool);
3566 ha->ctx_mempool = NULL;
3567 fail_free_srb_mempool:
3568 mempool_destroy(ha->srb_mempool);
3569 ha->srb_mempool = NULL;
3570 fail_free_gid_list:
3571 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3572 ha->gid_list,
3573 ha->gid_list_dma);
3574 ha->gid_list = NULL;
3575 ha->gid_list_dma = 0;
3576 fail_free_tgt_mem:
3577 qlt_mem_free(ha);
3578 fail_free_init_cb:
3579 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3580 ha->init_cb_dma);
3581 ha->init_cb = NULL;
3582 ha->init_cb_dma = 0;
3583 fail:
3584 ql_log(ql_log_fatal, NULL, 0x0030,
3585 "Memory allocation failure.\n");
3586 return -ENOMEM;
3587 }
3588
3589 /*
3590 * qla2x00_free_fw_dump
3591 * Frees fw dump stuff.
3592 *
3593 * Input:
3594 * ha = adapter block pointer
3595 */
3596 static void
3597 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3598 {
3599 if (ha->fce)
3600 dma_free_coherent(&ha->pdev->dev,
3601 FCE_SIZE, ha->fce, ha->fce_dma);
3602
3603 if (ha->eft)
3604 dma_free_coherent(&ha->pdev->dev,
3605 EFT_SIZE, ha->eft, ha->eft_dma);
3606
3607 if (ha->fw_dump)
3608 vfree(ha->fw_dump);
3609 if (ha->fw_dump_template)
3610 vfree(ha->fw_dump_template);
3611
3612 ha->fce = NULL;
3613 ha->fce_dma = 0;
3614 ha->eft = NULL;
3615 ha->eft_dma = 0;
3616 ha->fw_dumped = 0;
3617 ha->fw_dump_cap_flags = 0;
3618 ha->fw_dump_reading = 0;
3619 ha->fw_dump = NULL;
3620 ha->fw_dump_len = 0;
3621 ha->fw_dump_template = NULL;
3622 ha->fw_dump_template_len = 0;
3623 }
3624
3625 /*
3626 * qla2x00_mem_free
3627 * Frees all adapter allocated memory.
3628 *
3629 * Input:
3630 * ha = adapter block pointer.
3631 */
3632 static void
3633 qla2x00_mem_free(struct qla_hw_data *ha)
3634 {
3635 qla2x00_free_fw_dump(ha);
3636
3637 if (ha->mctp_dump)
3638 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3639 ha->mctp_dump_dma);
3640
3641 if (ha->srb_mempool)
3642 mempool_destroy(ha->srb_mempool);
3643
3644 if (ha->dcbx_tlv)
3645 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3646 ha->dcbx_tlv, ha->dcbx_tlv_dma);
3647
3648 if (ha->xgmac_data)
3649 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3650 ha->xgmac_data, ha->xgmac_data_dma);
3651
3652 if (ha->sns_cmd)
3653 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3654 ha->sns_cmd, ha->sns_cmd_dma);
3655
3656 if (ha->ct_sns)
3657 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3658 ha->ct_sns, ha->ct_sns_dma);
3659
3660 if (ha->sfp_data)
3661 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3662
3663 if (ha->ms_iocb)
3664 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3665
3666 if (ha->ex_init_cb)
3667 dma_pool_free(ha->s_dma_pool,
3668 ha->ex_init_cb, ha->ex_init_cb_dma);
3669
3670 if (ha->async_pd)
3671 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3672
3673 if (ha->s_dma_pool)
3674 dma_pool_destroy(ha->s_dma_pool);
3675
3676 if (ha->gid_list)
3677 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3678 ha->gid_list, ha->gid_list_dma);
3679
3680 if (IS_QLA82XX(ha)) {
3681 if (!list_empty(&ha->gbl_dsd_list)) {
3682 struct dsd_dma *dsd_ptr, *tdsd_ptr;
3683
3684 /* clean up allocated prev pool */
3685 list_for_each_entry_safe(dsd_ptr,
3686 tdsd_ptr, &ha->gbl_dsd_list, list) {
3687 dma_pool_free(ha->dl_dma_pool,
3688 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3689 list_del(&dsd_ptr->list);
3690 kfree(dsd_ptr);
3691 }
3692 }
3693 }
3694
3695 if (ha->dl_dma_pool)
3696 dma_pool_destroy(ha->dl_dma_pool);
3697
3698 if (ha->fcp_cmnd_dma_pool)
3699 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3700
3701 if (ha->ctx_mempool)
3702 mempool_destroy(ha->ctx_mempool);
3703
3704 qlt_mem_free(ha);
3705
3706 if (ha->init_cb)
3707 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3708 ha->init_cb, ha->init_cb_dma);
3709 vfree(ha->optrom_buffer);
3710 kfree(ha->nvram);
3711 kfree(ha->npiv_info);
3712 kfree(ha->swl);
3713 kfree(ha->loop_id_map);
3714
3715 ha->srb_mempool = NULL;
3716 ha->ctx_mempool = NULL;
3717 ha->sns_cmd = NULL;
3718 ha->sns_cmd_dma = 0;
3719 ha->ct_sns = NULL;
3720 ha->ct_sns_dma = 0;
3721 ha->ms_iocb = NULL;
3722 ha->ms_iocb_dma = 0;
3723 ha->init_cb = NULL;
3724 ha->init_cb_dma = 0;
3725 ha->ex_init_cb = NULL;
3726 ha->ex_init_cb_dma = 0;
3727 ha->async_pd = NULL;
3728 ha->async_pd_dma = 0;
3729
3730 ha->s_dma_pool = NULL;
3731 ha->dl_dma_pool = NULL;
3732 ha->fcp_cmnd_dma_pool = NULL;
3733
3734 ha->gid_list = NULL;
3735 ha->gid_list_dma = 0;
3736
3737 ha->tgt.atio_ring = NULL;
3738 ha->tgt.atio_dma = 0;
3739 ha->tgt.tgt_vp_map = NULL;
3740 }
3741
3742 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3743 struct qla_hw_data *ha)
3744 {
3745 struct Scsi_Host *host;
3746 struct scsi_qla_host *vha = NULL;
3747
3748 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3749 if (host == NULL) {
3750 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3751 "Failed to allocate host from the scsi layer, aborting.\n");
3752 goto fail;
3753 }
3754
3755 /* Clear our data area */
3756 vha = shost_priv(host);
3757 memset(vha, 0, sizeof(scsi_qla_host_t));
3758
3759 vha->host = host;
3760 vha->host_no = host->host_no;
3761 vha->hw = ha;
3762
3763 INIT_LIST_HEAD(&vha->vp_fcports);
3764 INIT_LIST_HEAD(&vha->work_list);
3765 INIT_LIST_HEAD(&vha->list);
3766
3767 spin_lock_init(&vha->work_lock);
3768
3769 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3770 ql_dbg(ql_dbg_init, vha, 0x0041,
3771 "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3772 vha->host, vha->hw, vha,
3773 dev_name(&(ha->pdev->dev)));
3774
3775 return vha;
3776
3777 fail:
3778 return vha;
3779 }
3780
3781 static struct qla_work_evt *
3782 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3783 {
3784 struct qla_work_evt *e;
3785 uint8_t bail;
3786
3787 QLA_VHA_MARK_BUSY(vha, bail);
3788 if (bail)
3789 return NULL;
3790
3791 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3792 if (!e) {
3793 QLA_VHA_MARK_NOT_BUSY(vha);
3794 return NULL;
3795 }
3796
3797 INIT_LIST_HEAD(&e->list);
3798 e->type = type;
3799 e->flags = QLA_EVT_FLAG_FREE;
3800 return e;
3801 }
3802
3803 static int
3804 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3805 {
3806 unsigned long flags;
3807
3808 spin_lock_irqsave(&vha->work_lock, flags);
3809 list_add_tail(&e->list, &vha->work_list);
3810 spin_unlock_irqrestore(&vha->work_lock, flags);
3811 qla2xxx_wake_dpc(vha);
3812
3813 return QLA_SUCCESS;
3814 }
3815
3816 int
3817 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3818 u32 data)
3819 {
3820 struct qla_work_evt *e;
3821
3822 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3823 if (!e)
3824 return QLA_FUNCTION_FAILED;
3825
3826 e->u.aen.code = code;
3827 e->u.aen.data = data;
3828 return qla2x00_post_work(vha, e);
3829 }
3830
3831 int
3832 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3833 {
3834 struct qla_work_evt *e;
3835
3836 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3837 if (!e)
3838 return QLA_FUNCTION_FAILED;
3839
3840 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3841 return qla2x00_post_work(vha, e);
3842 }
3843
3844 #define qla2x00_post_async_work(name, type) \
3845 int qla2x00_post_async_##name##_work( \
3846 struct scsi_qla_host *vha, \
3847 fc_port_t *fcport, uint16_t *data) \
3848 { \
3849 struct qla_work_evt *e; \
3850 \
3851 e = qla2x00_alloc_work(vha, type); \
3852 if (!e) \
3853 return QLA_FUNCTION_FAILED; \
3854 \
3855 e->u.logio.fcport = fcport; \
3856 if (data) { \
3857 e->u.logio.data[0] = data[0]; \
3858 e->u.logio.data[1] = data[1]; \
3859 } \
3860 return qla2x00_post_work(vha, e); \
3861 }
3862
3863 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3864 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3865 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3866 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3867 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3868 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3869
3870 int
3871 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3872 {
3873 struct qla_work_evt *e;
3874
3875 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3876 if (!e)
3877 return QLA_FUNCTION_FAILED;
3878
3879 e->u.uevent.code = code;
3880 return qla2x00_post_work(vha, e);
3881 }
3882
3883 static void
3884 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3885 {
3886 char event_string[40];
3887 char *envp[] = { event_string, NULL };
3888
3889 switch (code) {
3890 case QLA_UEVENT_CODE_FW_DUMP:
3891 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3892 vha->host_no);
3893 break;
3894 default:
3895 /* do nothing */
3896 break;
3897 }
3898 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3899 }
3900
3901 int
3902 qlafx00_post_aenfx_work(struct scsi_qla_host *vha, uint32_t evtcode,
3903 uint32_t *data, int cnt)
3904 {
3905 struct qla_work_evt *e;
3906
3907 e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
3908 if (!e)
3909 return QLA_FUNCTION_FAILED;
3910
3911 e->u.aenfx.evtcode = evtcode;
3912 e->u.aenfx.count = cnt;
3913 memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
3914 return qla2x00_post_work(vha, e);
3915 }
3916
3917 void
3918 qla2x00_do_work(struct scsi_qla_host *vha)
3919 {
3920 struct qla_work_evt *e, *tmp;
3921 unsigned long flags;
3922 LIST_HEAD(work);
3923
3924 spin_lock_irqsave(&vha->work_lock, flags);
3925 list_splice_init(&vha->work_list, &work);
3926 spin_unlock_irqrestore(&vha->work_lock, flags);
3927
3928 list_for_each_entry_safe(e, tmp, &work, list) {
3929 list_del_init(&e->list);
3930
3931 switch (e->type) {
3932 case QLA_EVT_AEN:
3933 fc_host_post_event(vha->host, fc_get_event_number(),
3934 e->u.aen.code, e->u.aen.data);
3935 break;
3936 case QLA_EVT_IDC_ACK:
3937 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3938 break;
3939 case QLA_EVT_ASYNC_LOGIN:
3940 qla2x00_async_login(vha, e->u.logio.fcport,
3941 e->u.logio.data);
3942 break;
3943 case QLA_EVT_ASYNC_LOGIN_DONE:
3944 qla2x00_async_login_done(vha, e->u.logio.fcport,
3945 e->u.logio.data);
3946 break;
3947 case QLA_EVT_ASYNC_LOGOUT:
3948 qla2x00_async_logout(vha, e->u.logio.fcport);
3949 break;
3950 case QLA_EVT_ASYNC_LOGOUT_DONE:
3951 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3952 e->u.logio.data);
3953 break;
3954 case QLA_EVT_ASYNC_ADISC:
3955 qla2x00_async_adisc(vha, e->u.logio.fcport,
3956 e->u.logio.data);
3957 break;
3958 case QLA_EVT_ASYNC_ADISC_DONE:
3959 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3960 e->u.logio.data);
3961 break;
3962 case QLA_EVT_UEVENT:
3963 qla2x00_uevent_emit(vha, e->u.uevent.code);
3964 break;
3965 case QLA_EVT_AENFX:
3966 qlafx00_process_aen(vha, e);
3967 break;
3968 }
3969 if (e->flags & QLA_EVT_FLAG_FREE)
3970 kfree(e);
3971
3972 /* For each work completed decrement vha ref count */
3973 QLA_VHA_MARK_NOT_BUSY(vha);
3974 }
3975 }
3976
3977 /* Relogins all the fcports of a vport
3978 * Context: dpc thread
3979 */
3980 void qla2x00_relogin(struct scsi_qla_host *vha)
3981 {
3982 fc_port_t *fcport;
3983 int status;
3984 uint16_t next_loopid = 0;
3985 struct qla_hw_data *ha = vha->hw;
3986 uint16_t data[2];
3987
3988 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3989 /*
3990 * If the port is not ONLINE then try to login
3991 * to it if we haven't run out of retries.
3992 */
3993 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3994 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3995 fcport->login_retry--;
3996 if (fcport->flags & FCF_FABRIC_DEVICE) {
3997 if (fcport->flags & FCF_FCP2_DEVICE)
3998 ha->isp_ops->fabric_logout(vha,
3999 fcport->loop_id,
4000 fcport->d_id.b.domain,
4001 fcport->d_id.b.area,
4002 fcport->d_id.b.al_pa);
4003
4004 if (fcport->loop_id == FC_NO_LOOP_ID) {
4005 fcport->loop_id = next_loopid =
4006 ha->min_external_loopid;
4007 status = qla2x00_find_new_loop_id(
4008 vha, fcport);
4009 if (status != QLA_SUCCESS) {
4010 /* Ran out of IDs to use */
4011 break;
4012 }
4013 }
4014
4015 if (IS_ALOGIO_CAPABLE(ha)) {
4016 fcport->flags |= FCF_ASYNC_SENT;
4017 data[0] = 0;
4018 data[1] = QLA_LOGIO_LOGIN_RETRIED;
4019 status = qla2x00_post_async_login_work(
4020 vha, fcport, data);
4021 if (status == QLA_SUCCESS)
4022 continue;
4023 /* Attempt a retry. */
4024 status = 1;
4025 } else {
4026 status = qla2x00_fabric_login(vha,
4027 fcport, &next_loopid);
4028 if (status == QLA_SUCCESS) {
4029 int status2;
4030 uint8_t opts;
4031
4032 opts = 0;
4033 if (fcport->flags &
4034 FCF_FCP2_DEVICE)
4035 opts |= BIT_1;
4036 status2 =
4037 qla2x00_get_port_database(
4038 vha, fcport, opts);
4039 if (status2 != QLA_SUCCESS)
4040 status = 1;
4041 }
4042 }
4043 } else
4044 status = qla2x00_local_device_login(vha,
4045 fcport);
4046
4047 if (status == QLA_SUCCESS) {
4048 fcport->old_loop_id = fcport->loop_id;
4049
4050 ql_dbg(ql_dbg_disc, vha, 0x2003,
4051 "Port login OK: logged in ID 0x%x.\n",
4052 fcport->loop_id);
4053
4054 qla2x00_update_fcport(vha, fcport);
4055
4056 } else if (status == 1) {
4057 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4058 /* retry the login again */
4059 ql_dbg(ql_dbg_disc, vha, 0x2007,
4060 "Retrying %d login again loop_id 0x%x.\n",
4061 fcport->login_retry, fcport->loop_id);
4062 } else {
4063 fcport->login_retry = 0;
4064 }
4065
4066 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4067 qla2x00_clear_loop_id(fcport);
4068 }
4069 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4070 break;
4071 }
4072 }
4073
4074 /* Schedule work on any of the dpc-workqueues */
4075 void
4076 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4077 {
4078 struct qla_hw_data *ha = base_vha->hw;
4079
4080 switch (work_code) {
4081 case MBA_IDC_AEN: /* 0x8200 */
4082 if (ha->dpc_lp_wq)
4083 queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4084 break;
4085
4086 case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4087 if (!ha->flags.nic_core_reset_hdlr_active) {
4088 if (ha->dpc_hp_wq)
4089 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4090 } else
4091 ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4092 "NIC Core reset is already active. Skip "
4093 "scheduling it again.\n");
4094 break;
4095 case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4096 if (ha->dpc_hp_wq)
4097 queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4098 break;
4099 case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4100 if (ha->dpc_hp_wq)
4101 queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4102 break;
4103 default:
4104 ql_log(ql_log_warn, base_vha, 0xb05f,
4105 "Unknow work-code=0x%x.\n", work_code);
4106 }
4107
4108 return;
4109 }
4110
4111 /* Work: Perform NIC Core Unrecoverable state handling */
4112 void
4113 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4114 {
4115 struct qla_hw_data *ha =
4116 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4117 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4118 uint32_t dev_state = 0;
4119
4120 qla83xx_idc_lock(base_vha, 0);
4121 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4122 qla83xx_reset_ownership(base_vha);
4123 if (ha->flags.nic_core_reset_owner) {
4124 ha->flags.nic_core_reset_owner = 0;
4125 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4126 QLA8XXX_DEV_FAILED);
4127 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4128 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4129 }
4130 qla83xx_idc_unlock(base_vha, 0);
4131 }
4132
4133 /* Work: Execute IDC state handler */
4134 void
4135 qla83xx_idc_state_handler_work(struct work_struct *work)
4136 {
4137 struct qla_hw_data *ha =
4138 container_of(work, struct qla_hw_data, idc_state_handler);
4139 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4140 uint32_t dev_state = 0;
4141
4142 qla83xx_idc_lock(base_vha, 0);
4143 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4144 if (dev_state == QLA8XXX_DEV_FAILED ||
4145 dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4146 qla83xx_idc_state_handler(base_vha);
4147 qla83xx_idc_unlock(base_vha, 0);
4148 }
4149
4150 static int
4151 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4152 {
4153 int rval = QLA_SUCCESS;
4154 unsigned long heart_beat_wait = jiffies + (1 * HZ);
4155 uint32_t heart_beat_counter1, heart_beat_counter2;
4156
4157 do {
4158 if (time_after(jiffies, heart_beat_wait)) {
4159 ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4160 "Nic Core f/w is not alive.\n");
4161 rval = QLA_FUNCTION_FAILED;
4162 break;
4163 }
4164
4165 qla83xx_idc_lock(base_vha, 0);
4166 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4167 &heart_beat_counter1);
4168 qla83xx_idc_unlock(base_vha, 0);
4169 msleep(100);
4170 qla83xx_idc_lock(base_vha, 0);
4171 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4172 &heart_beat_counter2);
4173 qla83xx_idc_unlock(base_vha, 0);
4174 } while (heart_beat_counter1 == heart_beat_counter2);
4175
4176 return rval;
4177 }
4178
4179 /* Work: Perform NIC Core Reset handling */
4180 void
4181 qla83xx_nic_core_reset_work(struct work_struct *work)
4182 {
4183 struct qla_hw_data *ha =
4184 container_of(work, struct qla_hw_data, nic_core_reset);
4185 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4186 uint32_t dev_state = 0;
4187
4188 if (IS_QLA2031(ha)) {
4189 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4190 ql_log(ql_log_warn, base_vha, 0xb081,
4191 "Failed to dump mctp\n");
4192 return;
4193 }
4194
4195 if (!ha->flags.nic_core_reset_hdlr_active) {
4196 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4197 qla83xx_idc_lock(base_vha, 0);
4198 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4199 &dev_state);
4200 qla83xx_idc_unlock(base_vha, 0);
4201 if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4202 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4203 "Nic Core f/w is alive.\n");
4204 return;
4205 }
4206 }
4207
4208 ha->flags.nic_core_reset_hdlr_active = 1;
4209 if (qla83xx_nic_core_reset(base_vha)) {
4210 /* NIC Core reset failed. */
4211 ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4212 "NIC Core reset failed.\n");
4213 }
4214 ha->flags.nic_core_reset_hdlr_active = 0;
4215 }
4216 }
4217
4218 /* Work: Handle 8200 IDC aens */
4219 void
4220 qla83xx_service_idc_aen(struct work_struct *work)
4221 {
4222 struct qla_hw_data *ha =
4223 container_of(work, struct qla_hw_data, idc_aen);
4224 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4225 uint32_t dev_state, idc_control;
4226
4227 qla83xx_idc_lock(base_vha, 0);
4228 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4229 qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4230 qla83xx_idc_unlock(base_vha, 0);
4231 if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4232 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4233 ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4234 "Application requested NIC Core Reset.\n");
4235 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4236 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4237 QLA_SUCCESS) {
4238 ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4239 "Other protocol driver requested NIC Core Reset.\n");
4240 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4241 }
4242 } else if (dev_state == QLA8XXX_DEV_FAILED ||
4243 dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4244 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4245 }
4246 }
4247
4248 static void
4249 qla83xx_wait_logic(void)
4250 {
4251 int i;
4252
4253 /* Yield CPU */
4254 if (!in_interrupt()) {
4255 /*
4256 * Wait about 200ms before retrying again.
4257 * This controls the number of retries for single
4258 * lock operation.
4259 */
4260 msleep(100);
4261 schedule();
4262 } else {
4263 for (i = 0; i < 20; i++)
4264 cpu_relax(); /* This a nop instr on i386 */
4265 }
4266 }
4267
4268 static int
4269 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4270 {
4271 int rval;
4272 uint32_t data;
4273 uint32_t idc_lck_rcvry_stage_mask = 0x3;
4274 uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4275 struct qla_hw_data *ha = base_vha->hw;
4276 ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4277 "Trying force recovery of the IDC lock.\n");
4278
4279 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4280 if (rval)
4281 return rval;
4282
4283 if ((data & idc_lck_rcvry_stage_mask) > 0) {
4284 return QLA_SUCCESS;
4285 } else {
4286 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4287 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4288 data);
4289 if (rval)
4290 return rval;
4291
4292 msleep(200);
4293
4294 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4295 &data);
4296 if (rval)
4297 return rval;
4298
4299 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4300 data &= (IDC_LOCK_RECOVERY_STAGE2 |
4301 ~(idc_lck_rcvry_stage_mask));
4302 rval = qla83xx_wr_reg(base_vha,
4303 QLA83XX_IDC_LOCK_RECOVERY, data);
4304 if (rval)
4305 return rval;
4306
4307 /* Forcefully perform IDC UnLock */
4308 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4309 &data);
4310 if (rval)
4311 return rval;
4312 /* Clear lock-id by setting 0xff */
4313 rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4314 0xff);
4315 if (rval)
4316 return rval;
4317 /* Clear lock-recovery by setting 0x0 */
4318 rval = qla83xx_wr_reg(base_vha,
4319 QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4320 if (rval)
4321 return rval;
4322 } else
4323 return QLA_SUCCESS;
4324 }
4325
4326 return rval;
4327 }
4328
4329 static int
4330 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4331 {
4332 int rval = QLA_SUCCESS;
4333 uint32_t o_drv_lockid, n_drv_lockid;
4334 unsigned long lock_recovery_timeout;
4335
4336 lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4337 retry_lockid:
4338 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4339 if (rval)
4340 goto exit;
4341
4342 /* MAX wait time before forcing IDC Lock recovery = 2 secs */
4343 if (time_after_eq(jiffies, lock_recovery_timeout)) {
4344 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4345 return QLA_SUCCESS;
4346 else
4347 return QLA_FUNCTION_FAILED;
4348 }
4349
4350 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4351 if (rval)
4352 goto exit;
4353
4354 if (o_drv_lockid == n_drv_lockid) {
4355 qla83xx_wait_logic();
4356 goto retry_lockid;
4357 } else
4358 return QLA_SUCCESS;
4359
4360 exit:
4361 return rval;
4362 }
4363
4364 void
4365 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4366 {
4367 uint16_t options = (requester_id << 15) | BIT_6;
4368 uint32_t data;
4369 uint32_t lock_owner;
4370 struct qla_hw_data *ha = base_vha->hw;
4371
4372 /* IDC-lock implementation using driver-lock/lock-id remote registers */
4373 retry_lock:
4374 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4375 == QLA_SUCCESS) {
4376 if (data) {
4377 /* Setting lock-id to our function-number */
4378 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4379 ha->portnum);
4380 } else {
4381 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4382 &lock_owner);
4383 ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4384 "Failed to acquire IDC lock, acquired by %d, "
4385 "retrying...\n", lock_owner);
4386
4387 /* Retry/Perform IDC-Lock recovery */
4388 if (qla83xx_idc_lock_recovery(base_vha)
4389 == QLA_SUCCESS) {
4390 qla83xx_wait_logic();
4391 goto retry_lock;
4392 } else
4393 ql_log(ql_log_warn, base_vha, 0xb075,
4394 "IDC Lock recovery FAILED.\n");
4395 }
4396
4397 }
4398
4399 return;
4400
4401 /* XXX: IDC-lock implementation using access-control mbx */
4402 retry_lock2:
4403 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4404 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4405 "Failed to acquire IDC lock. retrying...\n");
4406 /* Retry/Perform IDC-Lock recovery */
4407 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4408 qla83xx_wait_logic();
4409 goto retry_lock2;
4410 } else
4411 ql_log(ql_log_warn, base_vha, 0xb076,
4412 "IDC Lock recovery FAILED.\n");
4413 }
4414
4415 return;
4416 }
4417
4418 void
4419 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4420 {
4421 uint16_t options = (requester_id << 15) | BIT_7, retry;
4422 uint32_t data;
4423 struct qla_hw_data *ha = base_vha->hw;
4424
4425 /* IDC-unlock implementation using driver-unlock/lock-id
4426 * remote registers
4427 */
4428 retry = 0;
4429 retry_unlock:
4430 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4431 == QLA_SUCCESS) {
4432 if (data == ha->portnum) {
4433 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4434 /* Clearing lock-id by setting 0xff */
4435 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4436 } else if (retry < 10) {
4437 /* SV: XXX: IDC unlock retrying needed here? */
4438
4439 /* Retry for IDC-unlock */
4440 qla83xx_wait_logic();
4441 retry++;
4442 ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4443 "Failed to release IDC lock, retyring=%d\n", retry);
4444 goto retry_unlock;
4445 }
4446 } else if (retry < 10) {
4447 /* Retry for IDC-unlock */
4448 qla83xx_wait_logic();
4449 retry++;
4450 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4451 "Failed to read drv-lockid, retyring=%d\n", retry);
4452 goto retry_unlock;
4453 }
4454
4455 return;
4456
4457 /* XXX: IDC-unlock implementation using access-control mbx */
4458 retry = 0;
4459 retry_unlock2:
4460 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4461 if (retry < 10) {
4462 /* Retry for IDC-unlock */
4463 qla83xx_wait_logic();
4464 retry++;
4465 ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4466 "Failed to release IDC lock, retyring=%d\n", retry);
4467 goto retry_unlock2;
4468 }
4469 }
4470
4471 return;
4472 }
4473
4474 int
4475 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4476 {
4477 int rval = QLA_SUCCESS;
4478 struct qla_hw_data *ha = vha->hw;
4479 uint32_t drv_presence;
4480
4481 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4482 if (rval == QLA_SUCCESS) {
4483 drv_presence |= (1 << ha->portnum);
4484 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4485 drv_presence);
4486 }
4487
4488 return rval;
4489 }
4490
4491 int
4492 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4493 {
4494 int rval = QLA_SUCCESS;
4495
4496 qla83xx_idc_lock(vha, 0);
4497 rval = __qla83xx_set_drv_presence(vha);
4498 qla83xx_idc_unlock(vha, 0);
4499
4500 return rval;
4501 }
4502
4503 int
4504 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4505 {
4506 int rval = QLA_SUCCESS;
4507 struct qla_hw_data *ha = vha->hw;
4508 uint32_t drv_presence;
4509
4510 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4511 if (rval == QLA_SUCCESS) {
4512 drv_presence &= ~(1 << ha->portnum);
4513 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4514 drv_presence);
4515 }
4516
4517 return rval;
4518 }
4519
4520 int
4521 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4522 {
4523 int rval = QLA_SUCCESS;
4524
4525 qla83xx_idc_lock(vha, 0);
4526 rval = __qla83xx_clear_drv_presence(vha);
4527 qla83xx_idc_unlock(vha, 0);
4528
4529 return rval;
4530 }
4531
4532 static void
4533 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4534 {
4535 struct qla_hw_data *ha = vha->hw;
4536 uint32_t drv_ack, drv_presence;
4537 unsigned long ack_timeout;
4538
4539 /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4540 ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4541 while (1) {
4542 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4543 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4544 if ((drv_ack & drv_presence) == drv_presence)
4545 break;
4546
4547 if (time_after_eq(jiffies, ack_timeout)) {
4548 ql_log(ql_log_warn, vha, 0xb067,
4549 "RESET ACK TIMEOUT! drv_presence=0x%x "
4550 "drv_ack=0x%x\n", drv_presence, drv_ack);
4551 /*
4552 * The function(s) which did not ack in time are forced
4553 * to withdraw any further participation in the IDC
4554 * reset.
4555 */
4556 if (drv_ack != drv_presence)
4557 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4558 drv_ack);
4559 break;
4560 }
4561
4562 qla83xx_idc_unlock(vha, 0);
4563 msleep(1000);
4564 qla83xx_idc_lock(vha, 0);
4565 }
4566
4567 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4568 ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4569 }
4570
4571 static int
4572 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4573 {
4574 int rval = QLA_SUCCESS;
4575 uint32_t idc_control;
4576
4577 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4578 ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4579
4580 /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4581 __qla83xx_get_idc_control(vha, &idc_control);
4582 idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4583 __qla83xx_set_idc_control(vha, 0);
4584
4585 qla83xx_idc_unlock(vha, 0);
4586 rval = qla83xx_restart_nic_firmware(vha);
4587 qla83xx_idc_lock(vha, 0);
4588
4589 if (rval != QLA_SUCCESS) {
4590 ql_log(ql_log_fatal, vha, 0xb06a,
4591 "Failed to restart NIC f/w.\n");
4592 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4593 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4594 } else {
4595 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4596 "Success in restarting nic f/w.\n");
4597 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4598 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4599 }
4600
4601 return rval;
4602 }
4603
4604 /* Assumes idc_lock always held on entry */
4605 int
4606 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4607 {
4608 struct qla_hw_data *ha = base_vha->hw;
4609 int rval = QLA_SUCCESS;
4610 unsigned long dev_init_timeout;
4611 uint32_t dev_state;
4612
4613 /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4614 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4615
4616 while (1) {
4617
4618 if (time_after_eq(jiffies, dev_init_timeout)) {
4619 ql_log(ql_log_warn, base_vha, 0xb06e,
4620 "Initialization TIMEOUT!\n");
4621 /* Init timeout. Disable further NIC Core
4622 * communication.
4623 */
4624 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4625 QLA8XXX_DEV_FAILED);
4626 ql_log(ql_log_info, base_vha, 0xb06f,
4627 "HW State: FAILED.\n");
4628 }
4629
4630 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4631 switch (dev_state) {
4632 case QLA8XXX_DEV_READY:
4633 if (ha->flags.nic_core_reset_owner)
4634 qla83xx_idc_audit(base_vha,
4635 IDC_AUDIT_COMPLETION);
4636 ha->flags.nic_core_reset_owner = 0;
4637 ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4638 "Reset_owner reset by 0x%x.\n",
4639 ha->portnum);
4640 goto exit;
4641 case QLA8XXX_DEV_COLD:
4642 if (ha->flags.nic_core_reset_owner)
4643 rval = qla83xx_device_bootstrap(base_vha);
4644 else {
4645 /* Wait for AEN to change device-state */
4646 qla83xx_idc_unlock(base_vha, 0);
4647 msleep(1000);
4648 qla83xx_idc_lock(base_vha, 0);
4649 }
4650 break;
4651 case QLA8XXX_DEV_INITIALIZING:
4652 /* Wait for AEN to change device-state */
4653 qla83xx_idc_unlock(base_vha, 0);
4654 msleep(1000);
4655 qla83xx_idc_lock(base_vha, 0);
4656 break;
4657 case QLA8XXX_DEV_NEED_RESET:
4658 if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4659 qla83xx_need_reset_handler(base_vha);
4660 else {
4661 /* Wait for AEN to change device-state */
4662 qla83xx_idc_unlock(base_vha, 0);
4663 msleep(1000);
4664 qla83xx_idc_lock(base_vha, 0);
4665 }
4666 /* reset timeout value after need reset handler */
4667 dev_init_timeout = jiffies +
4668 (ha->fcoe_dev_init_timeout * HZ);
4669 break;
4670 case QLA8XXX_DEV_NEED_QUIESCENT:
4671 /* XXX: DEBUG for now */
4672 qla83xx_idc_unlock(base_vha, 0);
4673 msleep(1000);
4674 qla83xx_idc_lock(base_vha, 0);
4675 break;
4676 case QLA8XXX_DEV_QUIESCENT:
4677 /* XXX: DEBUG for now */
4678 if (ha->flags.quiesce_owner)
4679 goto exit;
4680
4681 qla83xx_idc_unlock(base_vha, 0);
4682 msleep(1000);
4683 qla83xx_idc_lock(base_vha, 0);
4684 dev_init_timeout = jiffies +
4685 (ha->fcoe_dev_init_timeout * HZ);
4686 break;
4687 case QLA8XXX_DEV_FAILED:
4688 if (ha->flags.nic_core_reset_owner)
4689 qla83xx_idc_audit(base_vha,
4690 IDC_AUDIT_COMPLETION);
4691 ha->flags.nic_core_reset_owner = 0;
4692 __qla83xx_clear_drv_presence(base_vha);
4693 qla83xx_idc_unlock(base_vha, 0);
4694 qla8xxx_dev_failed_handler(base_vha);
4695 rval = QLA_FUNCTION_FAILED;
4696 qla83xx_idc_lock(base_vha, 0);
4697 goto exit;
4698 case QLA8XXX_BAD_VALUE:
4699 qla83xx_idc_unlock(base_vha, 0);
4700 msleep(1000);
4701 qla83xx_idc_lock(base_vha, 0);
4702 break;
4703 default:
4704 ql_log(ql_log_warn, base_vha, 0xb071,
4705 "Unknow Device State: %x.\n", dev_state);
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 }
4712 }
4713
4714 exit:
4715 return rval;
4716 }
4717
4718 void
4719 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4720 {
4721 struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4722 board_disable);
4723 struct pci_dev *pdev = ha->pdev;
4724 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4725
4726 ql_log(ql_log_warn, base_vha, 0x015b,
4727 "Disabling adapter.\n");
4728
4729 set_bit(UNLOADING, &base_vha->dpc_flags);
4730
4731 qla2x00_delete_all_vps(ha, base_vha);
4732
4733 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4734
4735 qla2x00_dfs_remove(base_vha);
4736
4737 qla84xx_put_chip(base_vha);
4738
4739 if (base_vha->timer_active)
4740 qla2x00_stop_timer(base_vha);
4741
4742 base_vha->flags.online = 0;
4743
4744 qla2x00_destroy_deferred_work(ha);
4745
4746 /*
4747 * Do not try to stop beacon blink as it will issue a mailbox
4748 * command.
4749 */
4750 qla2x00_free_sysfs_attr(base_vha, false);
4751
4752 fc_remove_host(base_vha->host);
4753
4754 scsi_remove_host(base_vha->host);
4755
4756 base_vha->flags.init_done = 0;
4757 qla25xx_delete_queues(base_vha);
4758 qla2x00_free_irqs(base_vha);
4759 qla2x00_free_fcports(base_vha);
4760 qla2x00_mem_free(ha);
4761 qla82xx_md_free(base_vha);
4762 qla2x00_free_queues(ha);
4763
4764 qla2x00_unmap_iobases(ha);
4765
4766 pci_release_selected_regions(ha->pdev, ha->bars);
4767 pci_disable_pcie_error_reporting(pdev);
4768 pci_disable_device(pdev);
4769
4770 /*
4771 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
4772 */
4773 }
4774
4775 /**************************************************************************
4776 * qla2x00_do_dpc
4777 * This kernel thread is a task that is schedule by the interrupt handler
4778 * to perform the background processing for interrupts.
4779 *
4780 * Notes:
4781 * This task always run in the context of a kernel thread. It
4782 * is kick-off by the driver's detect code and starts up
4783 * up one per adapter. It immediately goes to sleep and waits for
4784 * some fibre event. When either the interrupt handler or
4785 * the timer routine detects a event it will one of the task
4786 * bits then wake us up.
4787 **************************************************************************/
4788 static int
4789 qla2x00_do_dpc(void *data)
4790 {
4791 int rval;
4792 scsi_qla_host_t *base_vha;
4793 struct qla_hw_data *ha;
4794
4795 ha = (struct qla_hw_data *)data;
4796 base_vha = pci_get_drvdata(ha->pdev);
4797
4798 set_user_nice(current, MIN_NICE);
4799
4800 set_current_state(TASK_INTERRUPTIBLE);
4801 while (!kthread_should_stop()) {
4802 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4803 "DPC handler sleeping.\n");
4804
4805 schedule();
4806
4807 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4808 goto end_loop;
4809
4810 if (ha->flags.eeh_busy) {
4811 ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4812 "eeh_busy=%d.\n", ha->flags.eeh_busy);
4813 goto end_loop;
4814 }
4815
4816 ha->dpc_active = 1;
4817
4818 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
4819 "DPC handler waking up, dpc_flags=0x%lx.\n",
4820 base_vha->dpc_flags);
4821
4822 qla2x00_do_work(base_vha);
4823
4824 if (IS_P3P_TYPE(ha)) {
4825 if (IS_QLA8044(ha)) {
4826 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4827 &base_vha->dpc_flags)) {
4828 qla8044_idc_lock(ha);
4829 qla8044_wr_direct(base_vha,
4830 QLA8044_CRB_DEV_STATE_INDEX,
4831 QLA8XXX_DEV_FAILED);
4832 qla8044_idc_unlock(ha);
4833 ql_log(ql_log_info, base_vha, 0x4004,
4834 "HW State: FAILED.\n");
4835 qla8044_device_state_handler(base_vha);
4836 continue;
4837 }
4838
4839 } else {
4840 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4841 &base_vha->dpc_flags)) {
4842 qla82xx_idc_lock(ha);
4843 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4844 QLA8XXX_DEV_FAILED);
4845 qla82xx_idc_unlock(ha);
4846 ql_log(ql_log_info, base_vha, 0x0151,
4847 "HW State: FAILED.\n");
4848 qla82xx_device_state_handler(base_vha);
4849 continue;
4850 }
4851 }
4852
4853 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
4854 &base_vha->dpc_flags)) {
4855
4856 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
4857 "FCoE context reset scheduled.\n");
4858 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4859 &base_vha->dpc_flags))) {
4860 if (qla82xx_fcoe_ctx_reset(base_vha)) {
4861 /* FCoE-ctx reset failed.
4862 * Escalate to chip-reset
4863 */
4864 set_bit(ISP_ABORT_NEEDED,
4865 &base_vha->dpc_flags);
4866 }
4867 clear_bit(ABORT_ISP_ACTIVE,
4868 &base_vha->dpc_flags);
4869 }
4870
4871 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
4872 "FCoE context reset end.\n");
4873 }
4874 } else if (IS_QLAFX00(ha)) {
4875 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4876 &base_vha->dpc_flags)) {
4877 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
4878 "Firmware Reset Recovery\n");
4879 if (qlafx00_reset_initialize(base_vha)) {
4880 /* Failed. Abort isp later. */
4881 if (!test_bit(UNLOADING,
4882 &base_vha->dpc_flags)) {
4883 set_bit(ISP_UNRECOVERABLE,
4884 &base_vha->dpc_flags);
4885 ql_dbg(ql_dbg_dpc, base_vha,
4886 0x4021,
4887 "Reset Recovery Failed\n");
4888 }
4889 }
4890 }
4891
4892 if (test_and_clear_bit(FX00_TARGET_SCAN,
4893 &base_vha->dpc_flags)) {
4894 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
4895 "ISPFx00 Target Scan scheduled\n");
4896 if (qlafx00_rescan_isp(base_vha)) {
4897 if (!test_bit(UNLOADING,
4898 &base_vha->dpc_flags))
4899 set_bit(ISP_UNRECOVERABLE,
4900 &base_vha->dpc_flags);
4901 ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
4902 "ISPFx00 Target Scan Failed\n");
4903 }
4904 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
4905 "ISPFx00 Target Scan End\n");
4906 }
4907 if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
4908 &base_vha->dpc_flags)) {
4909 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
4910 "ISPFx00 Host Info resend scheduled\n");
4911 qlafx00_fx_disc(base_vha,
4912 &base_vha->hw->mr.fcport,
4913 FXDISC_REG_HOST_INFO);
4914 }
4915 }
4916
4917 if (test_and_clear_bit(ISP_ABORT_NEEDED,
4918 &base_vha->dpc_flags)) {
4919
4920 ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
4921 "ISP abort scheduled.\n");
4922 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4923 &base_vha->dpc_flags))) {
4924
4925 if (ha->isp_ops->abort_isp(base_vha)) {
4926 /* failed. retry later */
4927 set_bit(ISP_ABORT_NEEDED,
4928 &base_vha->dpc_flags);
4929 }
4930 clear_bit(ABORT_ISP_ACTIVE,
4931 &base_vha->dpc_flags);
4932 }
4933
4934 ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
4935 "ISP abort end.\n");
4936 }
4937
4938 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
4939 &base_vha->dpc_flags)) {
4940 qla2x00_update_fcports(base_vha);
4941 }
4942
4943 if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
4944 int ret;
4945 ret = qla2x00_send_change_request(base_vha, 0x3, 0);
4946 if (ret != QLA_SUCCESS)
4947 ql_log(ql_log_warn, base_vha, 0x121,
4948 "Failed to enable receiving of RSCN "
4949 "requests: 0x%x.\n", ret);
4950 clear_bit(SCR_PENDING, &base_vha->dpc_flags);
4951 }
4952
4953 if (IS_QLAFX00(ha))
4954 goto loop_resync_check;
4955
4956 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
4957 ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
4958 "Quiescence mode scheduled.\n");
4959 if (IS_P3P_TYPE(ha)) {
4960 if (IS_QLA82XX(ha))
4961 qla82xx_device_state_handler(base_vha);
4962 if (IS_QLA8044(ha))
4963 qla8044_device_state_handler(base_vha);
4964 clear_bit(ISP_QUIESCE_NEEDED,
4965 &base_vha->dpc_flags);
4966 if (!ha->flags.quiesce_owner) {
4967 qla2x00_perform_loop_resync(base_vha);
4968 if (IS_QLA82XX(ha)) {
4969 qla82xx_idc_lock(ha);
4970 qla82xx_clear_qsnt_ready(
4971 base_vha);
4972 qla82xx_idc_unlock(ha);
4973 } else if (IS_QLA8044(ha)) {
4974 qla8044_idc_lock(ha);
4975 qla8044_clear_qsnt_ready(
4976 base_vha);
4977 qla8044_idc_unlock(ha);
4978 }
4979 }
4980 } else {
4981 clear_bit(ISP_QUIESCE_NEEDED,
4982 &base_vha->dpc_flags);
4983 qla2x00_quiesce_io(base_vha);
4984 }
4985 ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
4986 "Quiescence mode end.\n");
4987 }
4988
4989 if (test_and_clear_bit(RESET_MARKER_NEEDED,
4990 &base_vha->dpc_flags) &&
4991 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
4992
4993 ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
4994 "Reset marker scheduled.\n");
4995 qla2x00_rst_aen(base_vha);
4996 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
4997 ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
4998 "Reset marker end.\n");
4999 }
5000
5001 /* Retry each device up to login retry count */
5002 if ((test_and_clear_bit(RELOGIN_NEEDED,
5003 &base_vha->dpc_flags)) &&
5004 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5005 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5006
5007 ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5008 "Relogin scheduled.\n");
5009 qla2x00_relogin(base_vha);
5010 ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5011 "Relogin end.\n");
5012 }
5013 loop_resync_check:
5014 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5015 &base_vha->dpc_flags)) {
5016
5017 ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5018 "Loop resync scheduled.\n");
5019
5020 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5021 &base_vha->dpc_flags))) {
5022
5023 rval = qla2x00_loop_resync(base_vha);
5024
5025 clear_bit(LOOP_RESYNC_ACTIVE,
5026 &base_vha->dpc_flags);
5027 }
5028
5029 ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5030 "Loop resync end.\n");
5031 }
5032
5033 if (IS_QLAFX00(ha))
5034 goto intr_on_check;
5035
5036 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5037 atomic_read(&base_vha->loop_state) == LOOP_READY) {
5038 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5039 qla2xxx_flash_npiv_conf(base_vha);
5040 }
5041
5042 intr_on_check:
5043 if (!ha->interrupts_on)
5044 ha->isp_ops->enable_intrs(ha);
5045
5046 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5047 &base_vha->dpc_flags)) {
5048 if (ha->beacon_blink_led == 1)
5049 ha->isp_ops->beacon_blink(base_vha);
5050 }
5051
5052 if (!IS_QLAFX00(ha))
5053 qla2x00_do_dpc_all_vps(base_vha);
5054
5055 ha->dpc_active = 0;
5056 end_loop:
5057 set_current_state(TASK_INTERRUPTIBLE);
5058 } /* End of while(1) */
5059 __set_current_state(TASK_RUNNING);
5060
5061 ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5062 "DPC handler exiting.\n");
5063
5064 /*
5065 * Make sure that nobody tries to wake us up again.
5066 */
5067 ha->dpc_active = 0;
5068
5069 /* Cleanup any residual CTX SRBs. */
5070 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5071
5072 return 0;
5073 }
5074
5075 void
5076 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5077 {
5078 struct qla_hw_data *ha = vha->hw;
5079 struct task_struct *t = ha->dpc_thread;
5080
5081 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5082 wake_up_process(t);
5083 }
5084
5085 /*
5086 * qla2x00_rst_aen
5087 * Processes asynchronous reset.
5088 *
5089 * Input:
5090 * ha = adapter block pointer.
5091 */
5092 static void
5093 qla2x00_rst_aen(scsi_qla_host_t *vha)
5094 {
5095 if (vha->flags.online && !vha->flags.reset_active &&
5096 !atomic_read(&vha->loop_down_timer) &&
5097 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5098 do {
5099 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5100
5101 /*
5102 * Issue marker command only when we are going to start
5103 * the I/O.
5104 */
5105 vha->marker_needed = 1;
5106 } while (!atomic_read(&vha->loop_down_timer) &&
5107 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5108 }
5109 }
5110
5111 /**************************************************************************
5112 * qla2x00_timer
5113 *
5114 * Description:
5115 * One second timer
5116 *
5117 * Context: Interrupt
5118 ***************************************************************************/
5119 void
5120 qla2x00_timer(scsi_qla_host_t *vha)
5121 {
5122 unsigned long cpu_flags = 0;
5123 int start_dpc = 0;
5124 int index;
5125 srb_t *sp;
5126 uint16_t w;
5127 struct qla_hw_data *ha = vha->hw;
5128 struct req_que *req;
5129
5130 if (ha->flags.eeh_busy) {
5131 ql_dbg(ql_dbg_timer, vha, 0x6000,
5132 "EEH = %d, restarting timer.\n",
5133 ha->flags.eeh_busy);
5134 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5135 return;
5136 }
5137
5138 /*
5139 * Hardware read to raise pending EEH errors during mailbox waits. If
5140 * the read returns -1 then disable the board.
5141 */
5142 if (!pci_channel_offline(ha->pdev)) {
5143 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5144 qla2x00_check_reg16_for_disconnect(vha, w);
5145 }
5146
5147 /* Make sure qla82xx_watchdog is run only for physical port */
5148 if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5149 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5150 start_dpc++;
5151 if (IS_QLA82XX(ha))
5152 qla82xx_watchdog(vha);
5153 else if (IS_QLA8044(ha))
5154 qla8044_watchdog(vha);
5155 }
5156
5157 if (!vha->vp_idx && IS_QLAFX00(ha))
5158 qlafx00_timer_routine(vha);
5159
5160 /* Loop down handler. */
5161 if (atomic_read(&vha->loop_down_timer) > 0 &&
5162 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5163 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5164 && vha->flags.online) {
5165
5166 if (atomic_read(&vha->loop_down_timer) ==
5167 vha->loop_down_abort_time) {
5168
5169 ql_log(ql_log_info, vha, 0x6008,
5170 "Loop down - aborting the queues before time expires.\n");
5171
5172 if (!IS_QLA2100(ha) && vha->link_down_timeout)
5173 atomic_set(&vha->loop_state, LOOP_DEAD);
5174
5175 /*
5176 * Schedule an ISP abort to return any FCP2-device
5177 * commands.
5178 */
5179 /* NPIV - scan physical port only */
5180 if (!vha->vp_idx) {
5181 spin_lock_irqsave(&ha->hardware_lock,
5182 cpu_flags);
5183 req = ha->req_q_map[0];
5184 for (index = 1;
5185 index < req->num_outstanding_cmds;
5186 index++) {
5187 fc_port_t *sfcp;
5188
5189 sp = req->outstanding_cmds[index];
5190 if (!sp)
5191 continue;
5192 if (sp->type != SRB_SCSI_CMD)
5193 continue;
5194 sfcp = sp->fcport;
5195 if (!(sfcp->flags & FCF_FCP2_DEVICE))
5196 continue;
5197
5198 if (IS_QLA82XX(ha))
5199 set_bit(FCOE_CTX_RESET_NEEDED,
5200 &vha->dpc_flags);
5201 else
5202 set_bit(ISP_ABORT_NEEDED,
5203 &vha->dpc_flags);
5204 break;
5205 }
5206 spin_unlock_irqrestore(&ha->hardware_lock,
5207 cpu_flags);
5208 }
5209 start_dpc++;
5210 }
5211
5212 /* if the loop has been down for 4 minutes, reinit adapter */
5213 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5214 if (!(vha->device_flags & DFLG_NO_CABLE)) {
5215 ql_log(ql_log_warn, vha, 0x6009,
5216 "Loop down - aborting ISP.\n");
5217
5218 if (IS_QLA82XX(ha))
5219 set_bit(FCOE_CTX_RESET_NEEDED,
5220 &vha->dpc_flags);
5221 else
5222 set_bit(ISP_ABORT_NEEDED,
5223 &vha->dpc_flags);
5224 }
5225 }
5226 ql_dbg(ql_dbg_timer, vha, 0x600a,
5227 "Loop down - seconds remaining %d.\n",
5228 atomic_read(&vha->loop_down_timer));
5229 }
5230 /* Check if beacon LED needs to be blinked for physical host only */
5231 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5232 /* There is no beacon_blink function for ISP82xx */
5233 if (!IS_P3P_TYPE(ha)) {
5234 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5235 start_dpc++;
5236 }
5237 }
5238
5239 /* Process any deferred work. */
5240 if (!list_empty(&vha->work_list))
5241 start_dpc++;
5242
5243 /* Schedule the DPC routine if needed */
5244 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5245 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5246 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5247 start_dpc ||
5248 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5249 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5250 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5251 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5252 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5253 test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5254 ql_dbg(ql_dbg_timer, vha, 0x600b,
5255 "isp_abort_needed=%d loop_resync_needed=%d "
5256 "fcport_update_needed=%d start_dpc=%d "
5257 "reset_marker_needed=%d",
5258 test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5259 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5260 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5261 start_dpc,
5262 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5263 ql_dbg(ql_dbg_timer, vha, 0x600c,
5264 "beacon_blink_needed=%d isp_unrecoverable=%d "
5265 "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5266 "relogin_needed=%d.\n",
5267 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5268 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5269 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5270 test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5271 test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5272 qla2xxx_wake_dpc(vha);
5273 }
5274
5275 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5276 }
5277
5278 /* Firmware interface routines. */
5279
5280 #define FW_BLOBS 11
5281 #define FW_ISP21XX 0
5282 #define FW_ISP22XX 1
5283 #define FW_ISP2300 2
5284 #define FW_ISP2322 3
5285 #define FW_ISP24XX 4
5286 #define FW_ISP25XX 5
5287 #define FW_ISP81XX 6
5288 #define FW_ISP82XX 7
5289 #define FW_ISP2031 8
5290 #define FW_ISP8031 9
5291 #define FW_ISP27XX 10
5292
5293 #define FW_FILE_ISP21XX "ql2100_fw.bin"
5294 #define FW_FILE_ISP22XX "ql2200_fw.bin"
5295 #define FW_FILE_ISP2300 "ql2300_fw.bin"
5296 #define FW_FILE_ISP2322 "ql2322_fw.bin"
5297 #define FW_FILE_ISP24XX "ql2400_fw.bin"
5298 #define FW_FILE_ISP25XX "ql2500_fw.bin"
5299 #define FW_FILE_ISP81XX "ql8100_fw.bin"
5300 #define FW_FILE_ISP82XX "ql8200_fw.bin"
5301 #define FW_FILE_ISP2031 "ql2600_fw.bin"
5302 #define FW_FILE_ISP8031 "ql8300_fw.bin"
5303 #define FW_FILE_ISP27XX "ql2700_fw.bin"
5304
5305
5306 static DEFINE_MUTEX(qla_fw_lock);
5307
5308 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5309 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5310 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5311 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5312 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5313 { .name = FW_FILE_ISP24XX, },
5314 { .name = FW_FILE_ISP25XX, },
5315 { .name = FW_FILE_ISP81XX, },
5316 { .name = FW_FILE_ISP82XX, },
5317 { .name = FW_FILE_ISP2031, },
5318 { .name = FW_FILE_ISP8031, },
5319 { .name = FW_FILE_ISP27XX, },
5320 };
5321
5322 struct fw_blob *
5323 qla2x00_request_firmware(scsi_qla_host_t *vha)
5324 {
5325 struct qla_hw_data *ha = vha->hw;
5326 struct fw_blob *blob;
5327
5328 if (IS_QLA2100(ha)) {
5329 blob = &qla_fw_blobs[FW_ISP21XX];
5330 } else if (IS_QLA2200(ha)) {
5331 blob = &qla_fw_blobs[FW_ISP22XX];
5332 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5333 blob = &qla_fw_blobs[FW_ISP2300];
5334 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5335 blob = &qla_fw_blobs[FW_ISP2322];
5336 } else if (IS_QLA24XX_TYPE(ha)) {
5337 blob = &qla_fw_blobs[FW_ISP24XX];
5338 } else if (IS_QLA25XX(ha)) {
5339 blob = &qla_fw_blobs[FW_ISP25XX];
5340 } else if (IS_QLA81XX(ha)) {
5341 blob = &qla_fw_blobs[FW_ISP81XX];
5342 } else if (IS_QLA82XX(ha)) {
5343 blob = &qla_fw_blobs[FW_ISP82XX];
5344 } else if (IS_QLA2031(ha)) {
5345 blob = &qla_fw_blobs[FW_ISP2031];
5346 } else if (IS_QLA8031(ha)) {
5347 blob = &qla_fw_blobs[FW_ISP8031];
5348 } else if (IS_QLA27XX(ha)) {
5349 blob = &qla_fw_blobs[FW_ISP27XX];
5350 } else {
5351 return NULL;
5352 }
5353
5354 mutex_lock(&qla_fw_lock);
5355 if (blob->fw)
5356 goto out;
5357
5358 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5359 ql_log(ql_log_warn, vha, 0x0063,
5360 "Failed to load firmware image (%s).\n", blob->name);
5361 blob->fw = NULL;
5362 blob = NULL;
5363 goto out;
5364 }
5365
5366 out:
5367 mutex_unlock(&qla_fw_lock);
5368 return blob;
5369 }
5370
5371 static void
5372 qla2x00_release_firmware(void)
5373 {
5374 int idx;
5375
5376 mutex_lock(&qla_fw_lock);
5377 for (idx = 0; idx < FW_BLOBS; idx++)
5378 release_firmware(qla_fw_blobs[idx].fw);
5379 mutex_unlock(&qla_fw_lock);
5380 }
5381
5382 static pci_ers_result_t
5383 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5384 {
5385 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5386 struct qla_hw_data *ha = vha->hw;
5387
5388 ql_dbg(ql_dbg_aer, vha, 0x9000,
5389 "PCI error detected, state %x.\n", state);
5390
5391 switch (state) {
5392 case pci_channel_io_normal:
5393 ha->flags.eeh_busy = 0;
5394 return PCI_ERS_RESULT_CAN_RECOVER;
5395 case pci_channel_io_frozen:
5396 ha->flags.eeh_busy = 1;
5397 /* For ISP82XX complete any pending mailbox cmd */
5398 if (IS_QLA82XX(ha)) {
5399 ha->flags.isp82xx_fw_hung = 1;
5400 ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5401 qla82xx_clear_pending_mbx(vha);
5402 }
5403 qla2x00_free_irqs(vha);
5404 pci_disable_device(pdev);
5405 /* Return back all IOs */
5406 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5407 return PCI_ERS_RESULT_NEED_RESET;
5408 case pci_channel_io_perm_failure:
5409 ha->flags.pci_channel_io_perm_failure = 1;
5410 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5411 return PCI_ERS_RESULT_DISCONNECT;
5412 }
5413 return PCI_ERS_RESULT_NEED_RESET;
5414 }
5415
5416 static pci_ers_result_t
5417 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5418 {
5419 int risc_paused = 0;
5420 uint32_t stat;
5421 unsigned long flags;
5422 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5423 struct qla_hw_data *ha = base_vha->hw;
5424 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5425 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5426
5427 if (IS_QLA82XX(ha))
5428 return PCI_ERS_RESULT_RECOVERED;
5429
5430 spin_lock_irqsave(&ha->hardware_lock, flags);
5431 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5432 stat = RD_REG_DWORD(&reg->hccr);
5433 if (stat & HCCR_RISC_PAUSE)
5434 risc_paused = 1;
5435 } else if (IS_QLA23XX(ha)) {
5436 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5437 if (stat & HSR_RISC_PAUSED)
5438 risc_paused = 1;
5439 } else if (IS_FWI2_CAPABLE(ha)) {
5440 stat = RD_REG_DWORD(&reg24->host_status);
5441 if (stat & HSRX_RISC_PAUSED)
5442 risc_paused = 1;
5443 }
5444 spin_unlock_irqrestore(&ha->hardware_lock, flags);
5445
5446 if (risc_paused) {
5447 ql_log(ql_log_info, base_vha, 0x9003,
5448 "RISC paused -- mmio_enabled, Dumping firmware.\n");
5449 ha->isp_ops->fw_dump(base_vha, 0);
5450
5451 return PCI_ERS_RESULT_NEED_RESET;
5452 } else
5453 return PCI_ERS_RESULT_RECOVERED;
5454 }
5455
5456 static uint32_t
5457 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5458 {
5459 uint32_t rval = QLA_FUNCTION_FAILED;
5460 uint32_t drv_active = 0;
5461 struct qla_hw_data *ha = base_vha->hw;
5462 int fn;
5463 struct pci_dev *other_pdev = NULL;
5464
5465 ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5466 "Entered %s.\n", __func__);
5467
5468 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5469
5470 if (base_vha->flags.online) {
5471 /* Abort all outstanding commands,
5472 * so as to be requeued later */
5473 qla2x00_abort_isp_cleanup(base_vha);
5474 }
5475
5476
5477 fn = PCI_FUNC(ha->pdev->devfn);
5478 while (fn > 0) {
5479 fn--;
5480 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5481 "Finding pci device at function = 0x%x.\n", fn);
5482 other_pdev =
5483 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5484 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5485 fn));
5486
5487 if (!other_pdev)
5488 continue;
5489 if (atomic_read(&other_pdev->enable_cnt)) {
5490 ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5491 "Found PCI func available and enable at 0x%x.\n",
5492 fn);
5493 pci_dev_put(other_pdev);
5494 break;
5495 }
5496 pci_dev_put(other_pdev);
5497 }
5498
5499 if (!fn) {
5500 /* Reset owner */
5501 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5502 "This devfn is reset owner = 0x%x.\n",
5503 ha->pdev->devfn);
5504 qla82xx_idc_lock(ha);
5505
5506 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5507 QLA8XXX_DEV_INITIALIZING);
5508
5509 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5510 QLA82XX_IDC_VERSION);
5511
5512 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5513 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5514 "drv_active = 0x%x.\n", drv_active);
5515
5516 qla82xx_idc_unlock(ha);
5517 /* Reset if device is not already reset
5518 * drv_active would be 0 if a reset has already been done
5519 */
5520 if (drv_active)
5521 rval = qla82xx_start_firmware(base_vha);
5522 else
5523 rval = QLA_SUCCESS;
5524 qla82xx_idc_lock(ha);
5525
5526 if (rval != QLA_SUCCESS) {
5527 ql_log(ql_log_info, base_vha, 0x900b,
5528 "HW State: FAILED.\n");
5529 qla82xx_clear_drv_active(ha);
5530 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5531 QLA8XXX_DEV_FAILED);
5532 } else {
5533 ql_log(ql_log_info, base_vha, 0x900c,
5534 "HW State: READY.\n");
5535 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5536 QLA8XXX_DEV_READY);
5537 qla82xx_idc_unlock(ha);
5538 ha->flags.isp82xx_fw_hung = 0;
5539 rval = qla82xx_restart_isp(base_vha);
5540 qla82xx_idc_lock(ha);
5541 /* Clear driver state register */
5542 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5543 qla82xx_set_drv_active(base_vha);
5544 }
5545 qla82xx_idc_unlock(ha);
5546 } else {
5547 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5548 "This devfn is not reset owner = 0x%x.\n",
5549 ha->pdev->devfn);
5550 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5551 QLA8XXX_DEV_READY)) {
5552 ha->flags.isp82xx_fw_hung = 0;
5553 rval = qla82xx_restart_isp(base_vha);
5554 qla82xx_idc_lock(ha);
5555 qla82xx_set_drv_active(base_vha);
5556 qla82xx_idc_unlock(ha);
5557 }
5558 }
5559 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5560
5561 return rval;
5562 }
5563
5564 static pci_ers_result_t
5565 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5566 {
5567 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5568 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5569 struct qla_hw_data *ha = base_vha->hw;
5570 struct rsp_que *rsp;
5571 int rc, retries = 10;
5572
5573 ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5574 "Slot Reset.\n");
5575
5576 /* Workaround: qla2xxx driver which access hardware earlier
5577 * needs error state to be pci_channel_io_online.
5578 * Otherwise mailbox command timesout.
5579 */
5580 pdev->error_state = pci_channel_io_normal;
5581
5582 pci_restore_state(pdev);
5583
5584 /* pci_restore_state() clears the saved_state flag of the device
5585 * save restored state which resets saved_state flag
5586 */
5587 pci_save_state(pdev);
5588
5589 if (ha->mem_only)
5590 rc = pci_enable_device_mem(pdev);
5591 else
5592 rc = pci_enable_device(pdev);
5593
5594 if (rc) {
5595 ql_log(ql_log_warn, base_vha, 0x9005,
5596 "Can't re-enable PCI device after reset.\n");
5597 goto exit_slot_reset;
5598 }
5599
5600 rsp = ha->rsp_q_map[0];
5601 if (qla2x00_request_irqs(ha, rsp))
5602 goto exit_slot_reset;
5603
5604 if (ha->isp_ops->pci_config(base_vha))
5605 goto exit_slot_reset;
5606
5607 if (IS_QLA82XX(ha)) {
5608 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5609 ret = PCI_ERS_RESULT_RECOVERED;
5610 goto exit_slot_reset;
5611 } else
5612 goto exit_slot_reset;
5613 }
5614
5615 while (ha->flags.mbox_busy && retries--)
5616 msleep(1000);
5617
5618 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5619 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5620 ret = PCI_ERS_RESULT_RECOVERED;
5621 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5622
5623
5624 exit_slot_reset:
5625 ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5626 "slot_reset return %x.\n", ret);
5627
5628 return ret;
5629 }
5630
5631 static void
5632 qla2xxx_pci_resume(struct pci_dev *pdev)
5633 {
5634 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5635 struct qla_hw_data *ha = base_vha->hw;
5636 int ret;
5637
5638 ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5639 "pci_resume.\n");
5640
5641 ret = qla2x00_wait_for_hba_online(base_vha);
5642 if (ret != QLA_SUCCESS) {
5643 ql_log(ql_log_fatal, base_vha, 0x9002,
5644 "The device failed to resume I/O from slot/link_reset.\n");
5645 }
5646
5647 pci_cleanup_aer_uncorrect_error_status(pdev);
5648
5649 ha->flags.eeh_busy = 0;
5650 }
5651
5652 static void
5653 qla83xx_disable_laser(scsi_qla_host_t *vha)
5654 {
5655 uint32_t reg, data, fn;
5656 struct qla_hw_data *ha = vha->hw;
5657 struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5658
5659 /* pci func #/port # */
5660 ql_dbg(ql_dbg_init, vha, 0x004b,
5661 "Disabling Laser for hba: %p\n", vha);
5662
5663 fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5664 (BIT_15|BIT_14|BIT_13|BIT_12));
5665
5666 fn = (fn >> 12);
5667
5668 if (fn & 1)
5669 reg = PORT_1_2031;
5670 else
5671 reg = PORT_0_2031;
5672
5673 data = LASER_OFF_2031;
5674
5675 qla83xx_wr_reg(vha, reg, data);
5676 }
5677
5678 static const struct pci_error_handlers qla2xxx_err_handler = {
5679 .error_detected = qla2xxx_pci_error_detected,
5680 .mmio_enabled = qla2xxx_pci_mmio_enabled,
5681 .slot_reset = qla2xxx_pci_slot_reset,
5682 .resume = qla2xxx_pci_resume,
5683 };
5684
5685 static struct pci_device_id qla2xxx_pci_tbl[] = {
5686 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5687 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5688 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5689 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5690 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5691 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5692 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5693 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5694 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5695 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5696 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5697 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5698 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5699 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5700 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5701 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5702 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5703 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5704 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5705 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5706 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5707 { 0 },
5708 };
5709 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5710
5711 static struct pci_driver qla2xxx_pci_driver = {
5712 .name = QLA2XXX_DRIVER_NAME,
5713 .driver = {
5714 .owner = THIS_MODULE,
5715 },
5716 .id_table = qla2xxx_pci_tbl,
5717 .probe = qla2x00_probe_one,
5718 .remove = qla2x00_remove_one,
5719 .shutdown = qla2x00_shutdown,
5720 .err_handler = &qla2xxx_err_handler,
5721 };
5722
5723 static const struct file_operations apidev_fops = {
5724 .owner = THIS_MODULE,
5725 .llseek = noop_llseek,
5726 };
5727
5728 /**
5729 * qla2x00_module_init - Module initialization.
5730 **/
5731 static int __init
5732 qla2x00_module_init(void)
5733 {
5734 int ret = 0;
5735
5736 /* Allocate cache for SRBs. */
5737 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5738 SLAB_HWCACHE_ALIGN, NULL);
5739 if (srb_cachep == NULL) {
5740 ql_log(ql_log_fatal, NULL, 0x0001,
5741 "Unable to allocate SRB cache...Failing load!.\n");
5742 return -ENOMEM;
5743 }
5744
5745 /* Initialize target kmem_cache and mem_pools */
5746 ret = qlt_init();
5747 if (ret < 0) {
5748 kmem_cache_destroy(srb_cachep);
5749 return ret;
5750 } else if (ret > 0) {
5751 /*
5752 * If initiator mode is explictly disabled by qlt_init(),
5753 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5754 * performing scsi_scan_target() during LOOP UP event.
5755 */
5756 qla2xxx_transport_functions.disable_target_scan = 1;
5757 qla2xxx_transport_vport_functions.disable_target_scan = 1;
5758 }
5759
5760 /* Derive version string. */
5761 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5762 if (ql2xextended_error_logging)
5763 strcat(qla2x00_version_str, "-debug");
5764
5765 qla2xxx_transport_template =
5766 fc_attach_transport(&qla2xxx_transport_functions);
5767 if (!qla2xxx_transport_template) {
5768 kmem_cache_destroy(srb_cachep);
5769 ql_log(ql_log_fatal, NULL, 0x0002,
5770 "fc_attach_transport failed...Failing load!.\n");
5771 qlt_exit();
5772 return -ENODEV;
5773 }
5774
5775 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5776 if (apidev_major < 0) {
5777 ql_log(ql_log_fatal, NULL, 0x0003,
5778 "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5779 }
5780
5781 qla2xxx_transport_vport_template =
5782 fc_attach_transport(&qla2xxx_transport_vport_functions);
5783 if (!qla2xxx_transport_vport_template) {
5784 kmem_cache_destroy(srb_cachep);
5785 qlt_exit();
5786 fc_release_transport(qla2xxx_transport_template);
5787 ql_log(ql_log_fatal, NULL, 0x0004,
5788 "fc_attach_transport vport failed...Failing load!.\n");
5789 return -ENODEV;
5790 }
5791 ql_log(ql_log_info, NULL, 0x0005,
5792 "QLogic Fibre Channel HBA Driver: %s.\n",
5793 qla2x00_version_str);
5794 ret = pci_register_driver(&qla2xxx_pci_driver);
5795 if (ret) {
5796 kmem_cache_destroy(srb_cachep);
5797 qlt_exit();
5798 fc_release_transport(qla2xxx_transport_template);
5799 fc_release_transport(qla2xxx_transport_vport_template);
5800 ql_log(ql_log_fatal, NULL, 0x0006,
5801 "pci_register_driver failed...ret=%d Failing load!.\n",
5802 ret);
5803 }
5804 return ret;
5805 }
5806
5807 /**
5808 * qla2x00_module_exit - Module cleanup.
5809 **/
5810 static void __exit
5811 qla2x00_module_exit(void)
5812 {
5813 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5814 pci_unregister_driver(&qla2xxx_pci_driver);
5815 qla2x00_release_firmware();
5816 kmem_cache_destroy(srb_cachep);
5817 qlt_exit();
5818 if (ctx_cachep)
5819 kmem_cache_destroy(ctx_cachep);
5820 fc_release_transport(qla2xxx_transport_template);
5821 fc_release_transport(qla2xxx_transport_vport_template);
5822 }
5823
5824 module_init(qla2x00_module_init);
5825 module_exit(qla2x00_module_exit);
5826
5827 MODULE_AUTHOR("QLogic Corporation");
5828 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
5829 MODULE_LICENSE("GPL");
5830 MODULE_VERSION(QLA2XXX_VERSION);
5831 MODULE_FIRMWARE(FW_FILE_ISP21XX);
5832 MODULE_FIRMWARE(FW_FILE_ISP22XX);
5833 MODULE_FIRMWARE(FW_FILE_ISP2300);
5834 MODULE_FIRMWARE(FW_FILE_ISP2322);
5835 MODULE_FIRMWARE(FW_FILE_ISP24XX);
5836 MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux kernel - Deliverables
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