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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2011 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21
22 /*
23 * Driver version
24 */
25 char qla2x00_version_str[40];
26
27 static int apidev_major;
28
29 /*
30 * SRB allocation cache
31 */
32 static struct kmem_cache *srb_cachep;
33
34 /*
35 * CT6 CTX allocation cache
36 */
37 static struct kmem_cache *ctx_cachep;
38
39 int ql2xlogintimeout = 20;
40 module_param(ql2xlogintimeout, int, S_IRUGO);
41 MODULE_PARM_DESC(ql2xlogintimeout,
42 "Login timeout value in seconds.");
43
44 int qlport_down_retry;
45 module_param(qlport_down_retry, int, S_IRUGO);
46 MODULE_PARM_DESC(qlport_down_retry,
47 "Maximum number of command retries to a port that returns "
48 "a PORT-DOWN status.");
49
50 int ql2xplogiabsentdevice;
51 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
52 MODULE_PARM_DESC(ql2xplogiabsentdevice,
53 "Option to enable PLOGI to devices that are not present after "
54 "a Fabric scan. This is needed for several broken switches. "
55 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
56
57 int ql2xloginretrycount = 0;
58 module_param(ql2xloginretrycount, int, S_IRUGO);
59 MODULE_PARM_DESC(ql2xloginretrycount,
60 "Specify an alternate value for the NVRAM login retry count.");
61
62 int ql2xallocfwdump = 1;
63 module_param(ql2xallocfwdump, int, S_IRUGO);
64 MODULE_PARM_DESC(ql2xallocfwdump,
65 "Option to enable allocation of memory for a firmware dump "
66 "during HBA initialization. Memory allocation requirements "
67 "vary by ISP type. Default is 1 - allocate memory.");
68
69 int ql2xextended_error_logging;
70 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
71 MODULE_PARM_DESC(ql2xextended_error_logging,
72 "Option to enable extended error logging, "
73 "Default is 0 - no logging. 1 - log errors.");
74
75 int ql2xshiftctondsd = 6;
76 module_param(ql2xshiftctondsd, int, S_IRUGO);
77 MODULE_PARM_DESC(ql2xshiftctondsd,
78 "Set to control shifting of command type processing "
79 "based on total number of SG elements.");
80
81 static void qla2x00_free_device(scsi_qla_host_t *);
82
83 int ql2xfdmienable=1;
84 module_param(ql2xfdmienable, int, S_IRUGO);
85 MODULE_PARM_DESC(ql2xfdmienable,
86 "Enables FDMI registrations. "
87 "0 - no FDMI. Default is 1 - perform FDMI.");
88
89 #define MAX_Q_DEPTH 32
90 static int ql2xmaxqdepth = MAX_Q_DEPTH;
91 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
92 MODULE_PARM_DESC(ql2xmaxqdepth,
93 "Maximum queue depth to report for target devices.");
94
95 /* Do not change the value of this after module load */
96 int ql2xenabledif = 1;
97 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
98 MODULE_PARM_DESC(ql2xenabledif,
99 " Enable T10-CRC-DIF "
100 " Default is 0 - No DIF Support. 1 - Enable it");
101
102 int ql2xenablehba_err_chk;
103 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
104 MODULE_PARM_DESC(ql2xenablehba_err_chk,
105 " Enable T10-CRC-DIF Error isolation by HBA"
106 " Default is 0 - Error isolation disabled, 1 - Enable it");
107
108 int ql2xiidmaenable=1;
109 module_param(ql2xiidmaenable, int, S_IRUGO);
110 MODULE_PARM_DESC(ql2xiidmaenable,
111 "Enables iIDMA settings "
112 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
113
114 int ql2xmaxqueues = 1;
115 module_param(ql2xmaxqueues, int, S_IRUGO);
116 MODULE_PARM_DESC(ql2xmaxqueues,
117 "Enables MQ settings "
118 "Default is 1 for single queue. Set it to number "
119 "of queues in MQ mode.");
120
121 int ql2xmultique_tag;
122 module_param(ql2xmultique_tag, int, S_IRUGO);
123 MODULE_PARM_DESC(ql2xmultique_tag,
124 "Enables CPU affinity settings for the driver "
125 "Default is 0 for no affinity of request and response IO. "
126 "Set it to 1 to turn on the cpu affinity.");
127
128 int ql2xfwloadbin;
129 module_param(ql2xfwloadbin, int, S_IRUGO);
130 MODULE_PARM_DESC(ql2xfwloadbin,
131 "Option to specify location from which to load ISP firmware:\n"
132 " 2 -- load firmware via the request_firmware() (hotplug)\n"
133 " interface.\n"
134 " 1 -- load firmware from flash.\n"
135 " 0 -- use default semantics.\n");
136
137 int ql2xetsenable;
138 module_param(ql2xetsenable, int, S_IRUGO);
139 MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
142
143 int ql2xdbwr = 1;
144 module_param(ql2xdbwr, int, S_IRUGO);
145 MODULE_PARM_DESC(ql2xdbwr,
146 "Option to specify scheme for request queue posting\n"
147 " 0 -- Regular doorbell.\n"
148 " 1 -- CAMRAM doorbell (faster).\n");
149
150 int ql2xtargetreset = 1;
151 module_param(ql2xtargetreset, int, S_IRUGO);
152 MODULE_PARM_DESC(ql2xtargetreset,
153 "Enable target reset."
154 "Default is 1 - use hw defaults.");
155
156 int ql2xgffidenable;
157 module_param(ql2xgffidenable, int, S_IRUGO);
158 MODULE_PARM_DESC(ql2xgffidenable,
159 "Enables GFF_ID checks of port type. "
160 "Default is 0 - Do not use GFF_ID information.");
161
162 int ql2xasynctmfenable;
163 module_param(ql2xasynctmfenable, int, S_IRUGO);
164 MODULE_PARM_DESC(ql2xasynctmfenable,
165 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
166 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
167
168 int ql2xdontresethba;
169 module_param(ql2xdontresethba, int, S_IRUGO);
170 MODULE_PARM_DESC(ql2xdontresethba,
171 "Option to specify reset behaviour\n"
172 " 0 (Default) -- Reset on failure.\n"
173 " 1 -- Do not reset on failure.\n");
174
175 uint ql2xmaxlun = MAX_LUNS;
176 module_param(ql2xmaxlun, uint, S_IRUGO);
177 MODULE_PARM_DESC(ql2xmaxlun,
178 "Defines the maximum LU number to register with the SCSI "
179 "midlayer. Default is 65535.");
180
181 /*
182 * SCSI host template entry points
183 */
184 static int qla2xxx_slave_configure(struct scsi_device * device);
185 static int qla2xxx_slave_alloc(struct scsi_device *);
186 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
187 static void qla2xxx_scan_start(struct Scsi_Host *);
188 static void qla2xxx_slave_destroy(struct scsi_device *);
189 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
190 static int qla2xxx_eh_abort(struct scsi_cmnd *);
191 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
192 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
193 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
194 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
195
196 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
197 static int qla2x00_change_queue_type(struct scsi_device *, int);
198
199 struct scsi_host_template qla2xxx_driver_template = {
200 .module = THIS_MODULE,
201 .name = QLA2XXX_DRIVER_NAME,
202 .queuecommand = qla2xxx_queuecommand,
203
204 .eh_abort_handler = qla2xxx_eh_abort,
205 .eh_device_reset_handler = qla2xxx_eh_device_reset,
206 .eh_target_reset_handler = qla2xxx_eh_target_reset,
207 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
208 .eh_host_reset_handler = qla2xxx_eh_host_reset,
209
210 .slave_configure = qla2xxx_slave_configure,
211
212 .slave_alloc = qla2xxx_slave_alloc,
213 .slave_destroy = qla2xxx_slave_destroy,
214 .scan_finished = qla2xxx_scan_finished,
215 .scan_start = qla2xxx_scan_start,
216 .change_queue_depth = qla2x00_change_queue_depth,
217 .change_queue_type = qla2x00_change_queue_type,
218 .this_id = -1,
219 .cmd_per_lun = 3,
220 .use_clustering = ENABLE_CLUSTERING,
221 .sg_tablesize = SG_ALL,
222
223 .max_sectors = 0xFFFF,
224 .shost_attrs = qla2x00_host_attrs,
225 };
226
227 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
228 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
229
230 /* TODO Convert to inlines
231 *
232 * Timer routines
233 */
234
235 __inline__ void
236 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
237 {
238 init_timer(&vha->timer);
239 vha->timer.expires = jiffies + interval * HZ;
240 vha->timer.data = (unsigned long)vha;
241 vha->timer.function = (void (*)(unsigned long))func;
242 add_timer(&vha->timer);
243 vha->timer_active = 1;
244 }
245
246 static inline void
247 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
248 {
249 /* Currently used for 82XX only. */
250 if (vha->device_flags & DFLG_DEV_FAILED)
251 return;
252
253 mod_timer(&vha->timer, jiffies + interval * HZ);
254 }
255
256 static __inline__ void
257 qla2x00_stop_timer(scsi_qla_host_t *vha)
258 {
259 del_timer_sync(&vha->timer);
260 vha->timer_active = 0;
261 }
262
263 static int qla2x00_do_dpc(void *data);
264
265 static void qla2x00_rst_aen(scsi_qla_host_t *);
266
267 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
268 struct req_que **, struct rsp_que **);
269 static void qla2x00_free_fw_dump(struct qla_hw_data *);
270 static void qla2x00_mem_free(struct qla_hw_data *);
271 static void qla2x00_sp_free_dma(srb_t *);
272
273 /* -------------------------------------------------------------------------- */
274 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
275 {
276 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
277 GFP_KERNEL);
278 if (!ha->req_q_map) {
279 qla_printk(KERN_WARNING, ha,
280 "Unable to allocate memory for request queue ptrs\n");
281 goto fail_req_map;
282 }
283
284 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
285 GFP_KERNEL);
286 if (!ha->rsp_q_map) {
287 qla_printk(KERN_WARNING, ha,
288 "Unable to allocate memory for response queue ptrs\n");
289 goto fail_rsp_map;
290 }
291 set_bit(0, ha->rsp_qid_map);
292 set_bit(0, ha->req_qid_map);
293 return 1;
294
295 fail_rsp_map:
296 kfree(ha->req_q_map);
297 ha->req_q_map = NULL;
298 fail_req_map:
299 return -ENOMEM;
300 }
301
302 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
303 {
304 if (req && req->ring)
305 dma_free_coherent(&ha->pdev->dev,
306 (req->length + 1) * sizeof(request_t),
307 req->ring, req->dma);
308
309 kfree(req);
310 req = NULL;
311 }
312
313 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
314 {
315 if (rsp && rsp->ring)
316 dma_free_coherent(&ha->pdev->dev,
317 (rsp->length + 1) * sizeof(response_t),
318 rsp->ring, rsp->dma);
319
320 kfree(rsp);
321 rsp = NULL;
322 }
323
324 static void qla2x00_free_queues(struct qla_hw_data *ha)
325 {
326 struct req_que *req;
327 struct rsp_que *rsp;
328 int cnt;
329
330 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
331 req = ha->req_q_map[cnt];
332 qla2x00_free_req_que(ha, req);
333 }
334 kfree(ha->req_q_map);
335 ha->req_q_map = NULL;
336
337 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
338 rsp = ha->rsp_q_map[cnt];
339 qla2x00_free_rsp_que(ha, rsp);
340 }
341 kfree(ha->rsp_q_map);
342 ha->rsp_q_map = NULL;
343 }
344
345 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
346 {
347 uint16_t options = 0;
348 int ques, req, ret;
349 struct qla_hw_data *ha = vha->hw;
350
351 if (!(ha->fw_attributes & BIT_6)) {
352 qla_printk(KERN_INFO, ha,
353 "Firmware is not multi-queue capable\n");
354 goto fail;
355 }
356 if (ql2xmultique_tag) {
357 /* create a request queue for IO */
358 options |= BIT_7;
359 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
360 QLA_DEFAULT_QUE_QOS);
361 if (!req) {
362 qla_printk(KERN_WARNING, ha,
363 "Can't create request queue\n");
364 goto fail;
365 }
366 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
367 vha->req = ha->req_q_map[req];
368 options |= BIT_1;
369 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
370 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
371 if (!ret) {
372 qla_printk(KERN_WARNING, ha,
373 "Response Queue create failed\n");
374 goto fail2;
375 }
376 }
377 ha->flags.cpu_affinity_enabled = 1;
378
379 DEBUG2(qla_printk(KERN_INFO, ha,
380 "CPU affinity mode enabled, no. of response"
381 " queues:%d, no. of request queues:%d\n",
382 ha->max_rsp_queues, ha->max_req_queues));
383 }
384 return 0;
385 fail2:
386 qla25xx_delete_queues(vha);
387 destroy_workqueue(ha->wq);
388 ha->wq = NULL;
389 fail:
390 ha->mqenable = 0;
391 kfree(ha->req_q_map);
392 kfree(ha->rsp_q_map);
393 ha->max_req_queues = ha->max_rsp_queues = 1;
394 return 1;
395 }
396
397 static char *
398 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
399 {
400 struct qla_hw_data *ha = vha->hw;
401 static char *pci_bus_modes[] = {
402 "33", "66", "100", "133",
403 };
404 uint16_t pci_bus;
405
406 strcpy(str, "PCI");
407 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
408 if (pci_bus) {
409 strcat(str, "-X (");
410 strcat(str, pci_bus_modes[pci_bus]);
411 } else {
412 pci_bus = (ha->pci_attr & BIT_8) >> 8;
413 strcat(str, " (");
414 strcat(str, pci_bus_modes[pci_bus]);
415 }
416 strcat(str, " MHz)");
417
418 return (str);
419 }
420
421 static char *
422 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
423 {
424 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
425 struct qla_hw_data *ha = vha->hw;
426 uint32_t pci_bus;
427 int pcie_reg;
428
429 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
430 if (pcie_reg) {
431 char lwstr[6];
432 uint16_t pcie_lstat, lspeed, lwidth;
433
434 pcie_reg += 0x12;
435 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
436 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
437 lwidth = (pcie_lstat &
438 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
439
440 strcpy(str, "PCIe (");
441 if (lspeed == 1)
442 strcat(str, "2.5GT/s ");
443 else if (lspeed == 2)
444 strcat(str, "5.0GT/s ");
445 else
446 strcat(str, "<unknown> ");
447 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
448 strcat(str, lwstr);
449
450 return str;
451 }
452
453 strcpy(str, "PCI");
454 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
455 if (pci_bus == 0 || pci_bus == 8) {
456 strcat(str, " (");
457 strcat(str, pci_bus_modes[pci_bus >> 3]);
458 } else {
459 strcat(str, "-X ");
460 if (pci_bus & BIT_2)
461 strcat(str, "Mode 2");
462 else
463 strcat(str, "Mode 1");
464 strcat(str, " (");
465 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
466 }
467 strcat(str, " MHz)");
468
469 return str;
470 }
471
472 static char *
473 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
474 {
475 char un_str[10];
476 struct qla_hw_data *ha = vha->hw;
477
478 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
479 ha->fw_minor_version,
480 ha->fw_subminor_version);
481
482 if (ha->fw_attributes & BIT_9) {
483 strcat(str, "FLX");
484 return (str);
485 }
486
487 switch (ha->fw_attributes & 0xFF) {
488 case 0x7:
489 strcat(str, "EF");
490 break;
491 case 0x17:
492 strcat(str, "TP");
493 break;
494 case 0x37:
495 strcat(str, "IP");
496 break;
497 case 0x77:
498 strcat(str, "VI");
499 break;
500 default:
501 sprintf(un_str, "(%x)", ha->fw_attributes);
502 strcat(str, un_str);
503 break;
504 }
505 if (ha->fw_attributes & 0x100)
506 strcat(str, "X");
507
508 return (str);
509 }
510
511 static char *
512 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
513 {
514 struct qla_hw_data *ha = vha->hw;
515
516 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
517 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
518 return str;
519 }
520
521 static inline srb_t *
522 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
523 struct scsi_cmnd *cmd)
524 {
525 srb_t *sp;
526 struct qla_hw_data *ha = vha->hw;
527
528 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
529 if (!sp)
530 return sp;
531
532 atomic_set(&sp->ref_count, 1);
533 sp->fcport = fcport;
534 sp->cmd = cmd;
535 sp->flags = 0;
536 CMD_SP(cmd) = (void *)sp;
537 sp->ctx = NULL;
538
539 return sp;
540 }
541
542 static int
543 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
544 {
545 scsi_qla_host_t *vha = shost_priv(host);
546 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
547 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
548 struct qla_hw_data *ha = vha->hw;
549 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
550 srb_t *sp;
551 int rval;
552
553 if (ha->flags.eeh_busy) {
554 if (ha->flags.pci_channel_io_perm_failure)
555 cmd->result = DID_NO_CONNECT << 16;
556 else
557 cmd->result = DID_REQUEUE << 16;
558 goto qc24_fail_command;
559 }
560
561 rval = fc_remote_port_chkready(rport);
562 if (rval) {
563 cmd->result = rval;
564 goto qc24_fail_command;
565 }
566
567 if (!vha->flags.difdix_supported &&
568 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
569 DEBUG2(qla_printk(KERN_ERR, ha,
570 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
571 cmd->cmnd[0]));
572 cmd->result = DID_NO_CONNECT << 16;
573 goto qc24_fail_command;
574 }
575 if (atomic_read(&fcport->state) != FCS_ONLINE) {
576 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
577 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
578 cmd->result = DID_NO_CONNECT << 16;
579 goto qc24_fail_command;
580 }
581 goto qc24_target_busy;
582 }
583
584 sp = qla2x00_get_new_sp(base_vha, fcport, cmd);
585 if (!sp)
586 goto qc24_host_busy;
587
588 rval = ha->isp_ops->start_scsi(sp);
589 if (rval != QLA_SUCCESS)
590 goto qc24_host_busy_free_sp;
591
592 return 0;
593
594 qc24_host_busy_free_sp:
595 qla2x00_sp_free_dma(sp);
596 mempool_free(sp, ha->srb_mempool);
597
598 qc24_host_busy:
599 return SCSI_MLQUEUE_HOST_BUSY;
600
601 qc24_target_busy:
602 return SCSI_MLQUEUE_TARGET_BUSY;
603
604 qc24_fail_command:
605 cmd->scsi_done(cmd);
606
607 return 0;
608 }
609
610 /*
611 * qla2x00_eh_wait_on_command
612 * Waits for the command to be returned by the Firmware for some
613 * max time.
614 *
615 * Input:
616 * cmd = Scsi Command to wait on.
617 *
618 * Return:
619 * Not Found : 0
620 * Found : 1
621 */
622 static int
623 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
624 {
625 #define ABORT_POLLING_PERIOD 1000
626 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
627 unsigned long wait_iter = ABORT_WAIT_ITER;
628 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
629 struct qla_hw_data *ha = vha->hw;
630 int ret = QLA_SUCCESS;
631
632 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
633 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
634 return ret;
635 }
636
637 while (CMD_SP(cmd) && wait_iter--) {
638 msleep(ABORT_POLLING_PERIOD);
639 }
640 if (CMD_SP(cmd))
641 ret = QLA_FUNCTION_FAILED;
642
643 return ret;
644 }
645
646 /*
647 * qla2x00_wait_for_hba_online
648 * Wait till the HBA is online after going through
649 * <= MAX_RETRIES_OF_ISP_ABORT or
650 * finally HBA is disabled ie marked offline
651 *
652 * Input:
653 * ha - pointer to host adapter structure
654 *
655 * Note:
656 * Does context switching-Release SPIN_LOCK
657 * (if any) before calling this routine.
658 *
659 * Return:
660 * Success (Adapter is online) : 0
661 * Failed (Adapter is offline/disabled) : 1
662 */
663 int
664 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
665 {
666 int return_status;
667 unsigned long wait_online;
668 struct qla_hw_data *ha = vha->hw;
669 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
670
671 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
672 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
673 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
674 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
675 ha->dpc_active) && time_before(jiffies, wait_online)) {
676
677 msleep(1000);
678 }
679 if (base_vha->flags.online)
680 return_status = QLA_SUCCESS;
681 else
682 return_status = QLA_FUNCTION_FAILED;
683
684 return (return_status);
685 }
686
687 /*
688 * qla2x00_wait_for_reset_ready
689 * Wait till the HBA is online after going through
690 * <= MAX_RETRIES_OF_ISP_ABORT or
691 * finally HBA is disabled ie marked offline or flash
692 * operations are in progress.
693 *
694 * Input:
695 * ha - pointer to host adapter structure
696 *
697 * Note:
698 * Does context switching-Release SPIN_LOCK
699 * (if any) before calling this routine.
700 *
701 * Return:
702 * Success (Adapter is online/no flash ops) : 0
703 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
704 */
705 static int
706 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
707 {
708 int return_status;
709 unsigned long wait_online;
710 struct qla_hw_data *ha = vha->hw;
711 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
712
713 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
714 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
715 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
716 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
717 ha->optrom_state != QLA_SWAITING ||
718 ha->dpc_active) && time_before(jiffies, wait_online))
719 msleep(1000);
720
721 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
722 return_status = QLA_SUCCESS;
723 else
724 return_status = QLA_FUNCTION_FAILED;
725
726 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
727
728 return return_status;
729 }
730
731 int
732 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
733 {
734 int return_status;
735 unsigned long wait_reset;
736 struct qla_hw_data *ha = vha->hw;
737 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
738
739 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
740 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
741 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
742 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
743 ha->dpc_active) && time_before(jiffies, wait_reset)) {
744
745 msleep(1000);
746
747 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
748 ha->flags.chip_reset_done)
749 break;
750 }
751 if (ha->flags.chip_reset_done)
752 return_status = QLA_SUCCESS;
753 else
754 return_status = QLA_FUNCTION_FAILED;
755
756 return return_status;
757 }
758
759 /*
760 * qla2x00_wait_for_loop_ready
761 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
762 * to be in LOOP_READY state.
763 * Input:
764 * ha - pointer to host adapter structure
765 *
766 * Note:
767 * Does context switching-Release SPIN_LOCK
768 * (if any) before calling this routine.
769 *
770 *
771 * Return:
772 * Success (LOOP_READY) : 0
773 * Failed (LOOP_NOT_READY) : 1
774 */
775 static inline int
776 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
777 {
778 int return_status = QLA_SUCCESS;
779 unsigned long loop_timeout ;
780 struct qla_hw_data *ha = vha->hw;
781 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
782
783 /* wait for 5 min at the max for loop to be ready */
784 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
785
786 while ((!atomic_read(&base_vha->loop_down_timer) &&
787 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
788 atomic_read(&base_vha->loop_state) != LOOP_READY) {
789 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
790 return_status = QLA_FUNCTION_FAILED;
791 break;
792 }
793 msleep(1000);
794 if (time_after_eq(jiffies, loop_timeout)) {
795 return_status = QLA_FUNCTION_FAILED;
796 break;
797 }
798 }
799 return (return_status);
800 }
801
802 static void
803 sp_get(struct srb *sp)
804 {
805 atomic_inc(&sp->ref_count);
806 }
807
808 /**************************************************************************
809 * qla2xxx_eh_abort
810 *
811 * Description:
812 * The abort function will abort the specified command.
813 *
814 * Input:
815 * cmd = Linux SCSI command packet to be aborted.
816 *
817 * Returns:
818 * Either SUCCESS or FAILED.
819 *
820 * Note:
821 * Only return FAILED if command not returned by firmware.
822 **************************************************************************/
823 static int
824 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
825 {
826 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
827 srb_t *sp;
828 int ret;
829 unsigned int id, lun;
830 unsigned long flags;
831 int wait = 0;
832 struct qla_hw_data *ha = vha->hw;
833
834 if (!CMD_SP(cmd))
835 return SUCCESS;
836
837 ret = fc_block_scsi_eh(cmd);
838 if (ret != 0)
839 return ret;
840 ret = SUCCESS;
841
842 id = cmd->device->id;
843 lun = cmd->device->lun;
844
845 spin_lock_irqsave(&ha->hardware_lock, flags);
846 sp = (srb_t *) CMD_SP(cmd);
847 if (!sp) {
848 spin_unlock_irqrestore(&ha->hardware_lock, flags);
849 return SUCCESS;
850 }
851
852 DEBUG2(printk("%s(%ld): aborting sp %p from RISC.",
853 __func__, vha->host_no, sp));
854
855 /* Get a reference to the sp and drop the lock.*/
856 sp_get(sp);
857
858 spin_unlock_irqrestore(&ha->hardware_lock, flags);
859 if (ha->isp_ops->abort_command(sp)) {
860 DEBUG2(printk("%s(%ld): abort_command "
861 "mbx failed.\n", __func__, vha->host_no));
862 ret = FAILED;
863 } else {
864 DEBUG3(printk("%s(%ld): abort_command "
865 "mbx success.\n", __func__, vha->host_no));
866 wait = 1;
867 }
868 qla2x00_sp_compl(ha, sp);
869
870 /* Wait for the command to be returned. */
871 if (wait) {
872 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
873 qla_printk(KERN_ERR, ha,
874 "scsi(%ld:%d:%d): Abort handler timed out -- %x.\n",
875 vha->host_no, id, lun, ret);
876 ret = FAILED;
877 }
878 }
879
880 qla_printk(KERN_INFO, ha,
881 "scsi(%ld:%d:%d): Abort command issued -- %d %x.\n",
882 vha->host_no, id, lun, wait, ret);
883
884 return ret;
885 }
886
887 int
888 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
889 unsigned int l, enum nexus_wait_type type)
890 {
891 int cnt, match, status;
892 unsigned long flags;
893 struct qla_hw_data *ha = vha->hw;
894 struct req_que *req;
895 srb_t *sp;
896
897 status = QLA_SUCCESS;
898
899 spin_lock_irqsave(&ha->hardware_lock, flags);
900 req = vha->req;
901 for (cnt = 1; status == QLA_SUCCESS &&
902 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
903 sp = req->outstanding_cmds[cnt];
904 if (!sp)
905 continue;
906 if ((sp->ctx) && !IS_PROT_IO(sp))
907 continue;
908 if (vha->vp_idx != sp->fcport->vha->vp_idx)
909 continue;
910 match = 0;
911 switch (type) {
912 case WAIT_HOST:
913 match = 1;
914 break;
915 case WAIT_TARGET:
916 match = sp->cmd->device->id == t;
917 break;
918 case WAIT_LUN:
919 match = (sp->cmd->device->id == t &&
920 sp->cmd->device->lun == l);
921 break;
922 }
923 if (!match)
924 continue;
925
926 spin_unlock_irqrestore(&ha->hardware_lock, flags);
927 status = qla2x00_eh_wait_on_command(sp->cmd);
928 spin_lock_irqsave(&ha->hardware_lock, flags);
929 }
930 spin_unlock_irqrestore(&ha->hardware_lock, flags);
931
932 return status;
933 }
934
935 static char *reset_errors[] = {
936 "HBA not online",
937 "HBA not ready",
938 "Task management failed",
939 "Waiting for command completions",
940 };
941
942 static int
943 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
944 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
945 {
946 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
947 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
948 int err;
949
950 if (!fcport)
951 return FAILED;
952
953 err = fc_block_scsi_eh(cmd);
954 if (err != 0)
955 return err;
956
957 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
958 vha->host_no, cmd->device->id, cmd->device->lun, name);
959
960 err = 0;
961 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
962 goto eh_reset_failed;
963 err = 1;
964 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
965 goto eh_reset_failed;
966 err = 2;
967 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
968 != QLA_SUCCESS)
969 goto eh_reset_failed;
970 err = 3;
971 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
972 cmd->device->lun, type) != QLA_SUCCESS)
973 goto eh_reset_failed;
974
975 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
976 vha->host_no, cmd->device->id, cmd->device->lun, name);
977
978 return SUCCESS;
979
980 eh_reset_failed:
981 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
982 , vha->host_no, cmd->device->id, cmd->device->lun, name,
983 reset_errors[err]);
984 return FAILED;
985 }
986
987 static int
988 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
989 {
990 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
991 struct qla_hw_data *ha = vha->hw;
992
993 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
994 ha->isp_ops->lun_reset);
995 }
996
997 static int
998 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
999 {
1000 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1001 struct qla_hw_data *ha = vha->hw;
1002
1003 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1004 ha->isp_ops->target_reset);
1005 }
1006
1007 /**************************************************************************
1008 * qla2xxx_eh_bus_reset
1009 *
1010 * Description:
1011 * The bus reset function will reset the bus and abort any executing
1012 * commands.
1013 *
1014 * Input:
1015 * cmd = Linux SCSI command packet of the command that cause the
1016 * bus reset.
1017 *
1018 * Returns:
1019 * SUCCESS/FAILURE (defined as macro in scsi.h).
1020 *
1021 **************************************************************************/
1022 static int
1023 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1024 {
1025 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1026 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1027 int ret = FAILED;
1028 unsigned int id, lun;
1029
1030 id = cmd->device->id;
1031 lun = cmd->device->lun;
1032
1033 if (!fcport)
1034 return ret;
1035
1036 ret = fc_block_scsi_eh(cmd);
1037 if (ret != 0)
1038 return ret;
1039 ret = FAILED;
1040
1041 qla_printk(KERN_INFO, vha->hw,
1042 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1043
1044 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1045 DEBUG2(printk("%s failed:board disabled\n",__func__));
1046 goto eh_bus_reset_done;
1047 }
1048
1049 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1050 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1051 ret = SUCCESS;
1052 }
1053 if (ret == FAILED)
1054 goto eh_bus_reset_done;
1055
1056 /* Flush outstanding commands. */
1057 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1058 QLA_SUCCESS)
1059 ret = FAILED;
1060
1061 eh_bus_reset_done:
1062 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1063 (ret == FAILED) ? "failed" : "succeeded");
1064
1065 return ret;
1066 }
1067
1068 /**************************************************************************
1069 * qla2xxx_eh_host_reset
1070 *
1071 * Description:
1072 * The reset function will reset the Adapter.
1073 *
1074 * Input:
1075 * cmd = Linux SCSI command packet of the command that cause the
1076 * adapter reset.
1077 *
1078 * Returns:
1079 * Either SUCCESS or FAILED.
1080 *
1081 * Note:
1082 **************************************************************************/
1083 static int
1084 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1085 {
1086 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1087 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1088 struct qla_hw_data *ha = vha->hw;
1089 int ret = FAILED;
1090 unsigned int id, lun;
1091 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1092
1093 id = cmd->device->id;
1094 lun = cmd->device->lun;
1095
1096 if (!fcport)
1097 return ret;
1098
1099 ret = fc_block_scsi_eh(cmd);
1100 if (ret != 0)
1101 return ret;
1102 ret = FAILED;
1103
1104 qla_printk(KERN_INFO, ha,
1105 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1106
1107 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1108 goto eh_host_reset_lock;
1109
1110 /*
1111 * Fixme-may be dpc thread is active and processing
1112 * loop_resync,so wait a while for it to
1113 * be completed and then issue big hammer.Otherwise
1114 * it may cause I/O failure as big hammer marks the
1115 * devices as lost kicking of the port_down_timer
1116 * while dpc is stuck for the mailbox to complete.
1117 */
1118 qla2x00_wait_for_loop_ready(vha);
1119 if (vha != base_vha) {
1120 if (qla2x00_vp_abort_isp(vha))
1121 goto eh_host_reset_lock;
1122 } else {
1123 if (IS_QLA82XX(vha->hw)) {
1124 if (!qla82xx_fcoe_ctx_reset(vha)) {
1125 /* Ctx reset success */
1126 ret = SUCCESS;
1127 goto eh_host_reset_lock;
1128 }
1129 /* fall thru if ctx reset failed */
1130 }
1131 if (ha->wq)
1132 flush_workqueue(ha->wq);
1133
1134 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1135 if (ha->isp_ops->abort_isp(base_vha)) {
1136 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1137 /* failed. schedule dpc to try */
1138 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1139
1140 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1141 goto eh_host_reset_lock;
1142 }
1143 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1144 }
1145
1146 /* Waiting for command to be returned to OS.*/
1147 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1148 QLA_SUCCESS)
1149 ret = SUCCESS;
1150
1151 eh_host_reset_lock:
1152 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1153 (ret == FAILED) ? "failed" : "succeeded");
1154
1155 return ret;
1156 }
1157
1158 /*
1159 * qla2x00_loop_reset
1160 * Issue loop reset.
1161 *
1162 * Input:
1163 * ha = adapter block pointer.
1164 *
1165 * Returns:
1166 * 0 = success
1167 */
1168 int
1169 qla2x00_loop_reset(scsi_qla_host_t *vha)
1170 {
1171 int ret;
1172 struct fc_port *fcport;
1173 struct qla_hw_data *ha = vha->hw;
1174
1175 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1176 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1177 if (fcport->port_type != FCT_TARGET)
1178 continue;
1179
1180 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1181 if (ret != QLA_SUCCESS) {
1182 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1183 "target_reset=%d d_id=%x.\n", __func__,
1184 vha->host_no, ret, fcport->d_id.b24));
1185 }
1186 }
1187 }
1188
1189 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1190 ret = qla2x00_full_login_lip(vha);
1191 if (ret != QLA_SUCCESS) {
1192 DEBUG2_3(printk("%s(%ld): failed: "
1193 "full_login_lip=%d.\n", __func__, vha->host_no,
1194 ret));
1195 }
1196 atomic_set(&vha->loop_state, LOOP_DOWN);
1197 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1198 qla2x00_mark_all_devices_lost(vha, 0);
1199 qla2x00_wait_for_loop_ready(vha);
1200 }
1201
1202 if (ha->flags.enable_lip_reset) {
1203 ret = qla2x00_lip_reset(vha);
1204 if (ret != QLA_SUCCESS) {
1205 DEBUG2_3(printk("%s(%ld): failed: "
1206 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1207 } else
1208 qla2x00_wait_for_loop_ready(vha);
1209 }
1210
1211 /* Issue marker command only when we are going to start the I/O */
1212 vha->marker_needed = 1;
1213
1214 return QLA_SUCCESS;
1215 }
1216
1217 void
1218 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1219 {
1220 int que, cnt;
1221 unsigned long flags;
1222 srb_t *sp;
1223 struct srb_ctx *ctx;
1224 struct qla_hw_data *ha = vha->hw;
1225 struct req_que *req;
1226
1227 spin_lock_irqsave(&ha->hardware_lock, flags);
1228 for (que = 0; que < ha->max_req_queues; que++) {
1229 req = ha->req_q_map[que];
1230 if (!req)
1231 continue;
1232 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1233 sp = req->outstanding_cmds[cnt];
1234 if (sp) {
1235 req->outstanding_cmds[cnt] = NULL;
1236 if (!sp->ctx ||
1237 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1238 IS_PROT_IO(sp)) {
1239 sp->cmd->result = res;
1240 qla2x00_sp_compl(ha, sp);
1241 } else {
1242 ctx = sp->ctx;
1243 if (ctx->type == SRB_LOGIN_CMD ||
1244 ctx->type == SRB_LOGOUT_CMD) {
1245 ctx->u.iocb_cmd->free(sp);
1246 } else {
1247 struct fc_bsg_job *bsg_job =
1248 ctx->u.bsg_job;
1249 if (bsg_job->request->msgcode
1250 == FC_BSG_HST_CT)
1251 kfree(sp->fcport);
1252 bsg_job->req->errors = 0;
1253 bsg_job->reply->result = res;
1254 bsg_job->job_done(bsg_job);
1255 kfree(sp->ctx);
1256 mempool_free(sp,
1257 ha->srb_mempool);
1258 }
1259 }
1260 }
1261 }
1262 }
1263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1264 }
1265
1266 static int
1267 qla2xxx_slave_alloc(struct scsi_device *sdev)
1268 {
1269 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1270
1271 if (!rport || fc_remote_port_chkready(rport))
1272 return -ENXIO;
1273
1274 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1275
1276 return 0;
1277 }
1278
1279 static int
1280 qla2xxx_slave_configure(struct scsi_device *sdev)
1281 {
1282 scsi_qla_host_t *vha = shost_priv(sdev->host);
1283 struct req_que *req = vha->req;
1284
1285 if (sdev->tagged_supported)
1286 scsi_activate_tcq(sdev, req->max_q_depth);
1287 else
1288 scsi_deactivate_tcq(sdev, req->max_q_depth);
1289 return 0;
1290 }
1291
1292 static void
1293 qla2xxx_slave_destroy(struct scsi_device *sdev)
1294 {
1295 sdev->hostdata = NULL;
1296 }
1297
1298 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1299 {
1300 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1301
1302 if (!scsi_track_queue_full(sdev, qdepth))
1303 return;
1304
1305 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1306 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1307 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1308 sdev->queue_depth));
1309 }
1310
1311 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1312 {
1313 fc_port_t *fcport = sdev->hostdata;
1314 struct scsi_qla_host *vha = fcport->vha;
1315 struct qla_hw_data *ha = vha->hw;
1316 struct req_que *req = NULL;
1317
1318 req = vha->req;
1319 if (!req)
1320 return;
1321
1322 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1323 return;
1324
1325 if (sdev->ordered_tags)
1326 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1327 else
1328 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1329
1330 DEBUG2(qla_printk(KERN_INFO, ha,
1331 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1332 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1333 sdev->queue_depth));
1334 }
1335
1336 static int
1337 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1338 {
1339 switch (reason) {
1340 case SCSI_QDEPTH_DEFAULT:
1341 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1342 break;
1343 case SCSI_QDEPTH_QFULL:
1344 qla2x00_handle_queue_full(sdev, qdepth);
1345 break;
1346 case SCSI_QDEPTH_RAMP_UP:
1347 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1348 break;
1349 default:
1350 return -EOPNOTSUPP;
1351 }
1352
1353 return sdev->queue_depth;
1354 }
1355
1356 static int
1357 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1358 {
1359 if (sdev->tagged_supported) {
1360 scsi_set_tag_type(sdev, tag_type);
1361 if (tag_type)
1362 scsi_activate_tcq(sdev, sdev->queue_depth);
1363 else
1364 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1365 } else
1366 tag_type = 0;
1367
1368 return tag_type;
1369 }
1370
1371 /**
1372 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1373 * @ha: HA context
1374 *
1375 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1376 * supported addressing method.
1377 */
1378 static void
1379 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1380 {
1381 /* Assume a 32bit DMA mask. */
1382 ha->flags.enable_64bit_addressing = 0;
1383
1384 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1385 /* Any upper-dword bits set? */
1386 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1387 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1388 /* Ok, a 64bit DMA mask is applicable. */
1389 ha->flags.enable_64bit_addressing = 1;
1390 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1391 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1392 return;
1393 }
1394 }
1395
1396 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1397 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1398 }
1399
1400 static void
1401 qla2x00_enable_intrs(struct qla_hw_data *ha)
1402 {
1403 unsigned long flags = 0;
1404 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1405
1406 spin_lock_irqsave(&ha->hardware_lock, flags);
1407 ha->interrupts_on = 1;
1408 /* enable risc and host interrupts */
1409 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1410 RD_REG_WORD(&reg->ictrl);
1411 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1412
1413 }
1414
1415 static void
1416 qla2x00_disable_intrs(struct qla_hw_data *ha)
1417 {
1418 unsigned long flags = 0;
1419 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1420
1421 spin_lock_irqsave(&ha->hardware_lock, flags);
1422 ha->interrupts_on = 0;
1423 /* disable risc and host interrupts */
1424 WRT_REG_WORD(&reg->ictrl, 0);
1425 RD_REG_WORD(&reg->ictrl);
1426 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1427 }
1428
1429 static void
1430 qla24xx_enable_intrs(struct qla_hw_data *ha)
1431 {
1432 unsigned long flags = 0;
1433 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1434
1435 spin_lock_irqsave(&ha->hardware_lock, flags);
1436 ha->interrupts_on = 1;
1437 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1438 RD_REG_DWORD(&reg->ictrl);
1439 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1440 }
1441
1442 static void
1443 qla24xx_disable_intrs(struct qla_hw_data *ha)
1444 {
1445 unsigned long flags = 0;
1446 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1447
1448 if (IS_NOPOLLING_TYPE(ha))
1449 return;
1450 spin_lock_irqsave(&ha->hardware_lock, flags);
1451 ha->interrupts_on = 0;
1452 WRT_REG_DWORD(&reg->ictrl, 0);
1453 RD_REG_DWORD(&reg->ictrl);
1454 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1455 }
1456
1457 static struct isp_operations qla2100_isp_ops = {
1458 .pci_config = qla2100_pci_config,
1459 .reset_chip = qla2x00_reset_chip,
1460 .chip_diag = qla2x00_chip_diag,
1461 .config_rings = qla2x00_config_rings,
1462 .reset_adapter = qla2x00_reset_adapter,
1463 .nvram_config = qla2x00_nvram_config,
1464 .update_fw_options = qla2x00_update_fw_options,
1465 .load_risc = qla2x00_load_risc,
1466 .pci_info_str = qla2x00_pci_info_str,
1467 .fw_version_str = qla2x00_fw_version_str,
1468 .intr_handler = qla2100_intr_handler,
1469 .enable_intrs = qla2x00_enable_intrs,
1470 .disable_intrs = qla2x00_disable_intrs,
1471 .abort_command = qla2x00_abort_command,
1472 .target_reset = qla2x00_abort_target,
1473 .lun_reset = qla2x00_lun_reset,
1474 .fabric_login = qla2x00_login_fabric,
1475 .fabric_logout = qla2x00_fabric_logout,
1476 .calc_req_entries = qla2x00_calc_iocbs_32,
1477 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1478 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1479 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1480 .read_nvram = qla2x00_read_nvram_data,
1481 .write_nvram = qla2x00_write_nvram_data,
1482 .fw_dump = qla2100_fw_dump,
1483 .beacon_on = NULL,
1484 .beacon_off = NULL,
1485 .beacon_blink = NULL,
1486 .read_optrom = qla2x00_read_optrom_data,
1487 .write_optrom = qla2x00_write_optrom_data,
1488 .get_flash_version = qla2x00_get_flash_version,
1489 .start_scsi = qla2x00_start_scsi,
1490 .abort_isp = qla2x00_abort_isp,
1491 };
1492
1493 static struct isp_operations qla2300_isp_ops = {
1494 .pci_config = qla2300_pci_config,
1495 .reset_chip = qla2x00_reset_chip,
1496 .chip_diag = qla2x00_chip_diag,
1497 .config_rings = qla2x00_config_rings,
1498 .reset_adapter = qla2x00_reset_adapter,
1499 .nvram_config = qla2x00_nvram_config,
1500 .update_fw_options = qla2x00_update_fw_options,
1501 .load_risc = qla2x00_load_risc,
1502 .pci_info_str = qla2x00_pci_info_str,
1503 .fw_version_str = qla2x00_fw_version_str,
1504 .intr_handler = qla2300_intr_handler,
1505 .enable_intrs = qla2x00_enable_intrs,
1506 .disable_intrs = qla2x00_disable_intrs,
1507 .abort_command = qla2x00_abort_command,
1508 .target_reset = qla2x00_abort_target,
1509 .lun_reset = qla2x00_lun_reset,
1510 .fabric_login = qla2x00_login_fabric,
1511 .fabric_logout = qla2x00_fabric_logout,
1512 .calc_req_entries = qla2x00_calc_iocbs_32,
1513 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1514 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1515 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1516 .read_nvram = qla2x00_read_nvram_data,
1517 .write_nvram = qla2x00_write_nvram_data,
1518 .fw_dump = qla2300_fw_dump,
1519 .beacon_on = qla2x00_beacon_on,
1520 .beacon_off = qla2x00_beacon_off,
1521 .beacon_blink = qla2x00_beacon_blink,
1522 .read_optrom = qla2x00_read_optrom_data,
1523 .write_optrom = qla2x00_write_optrom_data,
1524 .get_flash_version = qla2x00_get_flash_version,
1525 .start_scsi = qla2x00_start_scsi,
1526 .abort_isp = qla2x00_abort_isp,
1527 };
1528
1529 static struct isp_operations qla24xx_isp_ops = {
1530 .pci_config = qla24xx_pci_config,
1531 .reset_chip = qla24xx_reset_chip,
1532 .chip_diag = qla24xx_chip_diag,
1533 .config_rings = qla24xx_config_rings,
1534 .reset_adapter = qla24xx_reset_adapter,
1535 .nvram_config = qla24xx_nvram_config,
1536 .update_fw_options = qla24xx_update_fw_options,
1537 .load_risc = qla24xx_load_risc,
1538 .pci_info_str = qla24xx_pci_info_str,
1539 .fw_version_str = qla24xx_fw_version_str,
1540 .intr_handler = qla24xx_intr_handler,
1541 .enable_intrs = qla24xx_enable_intrs,
1542 .disable_intrs = qla24xx_disable_intrs,
1543 .abort_command = qla24xx_abort_command,
1544 .target_reset = qla24xx_abort_target,
1545 .lun_reset = qla24xx_lun_reset,
1546 .fabric_login = qla24xx_login_fabric,
1547 .fabric_logout = qla24xx_fabric_logout,
1548 .calc_req_entries = NULL,
1549 .build_iocbs = NULL,
1550 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1551 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1552 .read_nvram = qla24xx_read_nvram_data,
1553 .write_nvram = qla24xx_write_nvram_data,
1554 .fw_dump = qla24xx_fw_dump,
1555 .beacon_on = qla24xx_beacon_on,
1556 .beacon_off = qla24xx_beacon_off,
1557 .beacon_blink = qla24xx_beacon_blink,
1558 .read_optrom = qla24xx_read_optrom_data,
1559 .write_optrom = qla24xx_write_optrom_data,
1560 .get_flash_version = qla24xx_get_flash_version,
1561 .start_scsi = qla24xx_start_scsi,
1562 .abort_isp = qla2x00_abort_isp,
1563 };
1564
1565 static struct isp_operations qla25xx_isp_ops = {
1566 .pci_config = qla25xx_pci_config,
1567 .reset_chip = qla24xx_reset_chip,
1568 .chip_diag = qla24xx_chip_diag,
1569 .config_rings = qla24xx_config_rings,
1570 .reset_adapter = qla24xx_reset_adapter,
1571 .nvram_config = qla24xx_nvram_config,
1572 .update_fw_options = qla24xx_update_fw_options,
1573 .load_risc = qla24xx_load_risc,
1574 .pci_info_str = qla24xx_pci_info_str,
1575 .fw_version_str = qla24xx_fw_version_str,
1576 .intr_handler = qla24xx_intr_handler,
1577 .enable_intrs = qla24xx_enable_intrs,
1578 .disable_intrs = qla24xx_disable_intrs,
1579 .abort_command = qla24xx_abort_command,
1580 .target_reset = qla24xx_abort_target,
1581 .lun_reset = qla24xx_lun_reset,
1582 .fabric_login = qla24xx_login_fabric,
1583 .fabric_logout = qla24xx_fabric_logout,
1584 .calc_req_entries = NULL,
1585 .build_iocbs = NULL,
1586 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1587 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1588 .read_nvram = qla25xx_read_nvram_data,
1589 .write_nvram = qla25xx_write_nvram_data,
1590 .fw_dump = qla25xx_fw_dump,
1591 .beacon_on = qla24xx_beacon_on,
1592 .beacon_off = qla24xx_beacon_off,
1593 .beacon_blink = qla24xx_beacon_blink,
1594 .read_optrom = qla25xx_read_optrom_data,
1595 .write_optrom = qla24xx_write_optrom_data,
1596 .get_flash_version = qla24xx_get_flash_version,
1597 .start_scsi = qla24xx_dif_start_scsi,
1598 .abort_isp = qla2x00_abort_isp,
1599 };
1600
1601 static struct isp_operations qla81xx_isp_ops = {
1602 .pci_config = qla25xx_pci_config,
1603 .reset_chip = qla24xx_reset_chip,
1604 .chip_diag = qla24xx_chip_diag,
1605 .config_rings = qla24xx_config_rings,
1606 .reset_adapter = qla24xx_reset_adapter,
1607 .nvram_config = qla81xx_nvram_config,
1608 .update_fw_options = qla81xx_update_fw_options,
1609 .load_risc = qla81xx_load_risc,
1610 .pci_info_str = qla24xx_pci_info_str,
1611 .fw_version_str = qla24xx_fw_version_str,
1612 .intr_handler = qla24xx_intr_handler,
1613 .enable_intrs = qla24xx_enable_intrs,
1614 .disable_intrs = qla24xx_disable_intrs,
1615 .abort_command = qla24xx_abort_command,
1616 .target_reset = qla24xx_abort_target,
1617 .lun_reset = qla24xx_lun_reset,
1618 .fabric_login = qla24xx_login_fabric,
1619 .fabric_logout = qla24xx_fabric_logout,
1620 .calc_req_entries = NULL,
1621 .build_iocbs = NULL,
1622 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1623 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1624 .read_nvram = NULL,
1625 .write_nvram = NULL,
1626 .fw_dump = qla81xx_fw_dump,
1627 .beacon_on = qla24xx_beacon_on,
1628 .beacon_off = qla24xx_beacon_off,
1629 .beacon_blink = qla24xx_beacon_blink,
1630 .read_optrom = qla25xx_read_optrom_data,
1631 .write_optrom = qla24xx_write_optrom_data,
1632 .get_flash_version = qla24xx_get_flash_version,
1633 .start_scsi = qla24xx_dif_start_scsi,
1634 .abort_isp = qla2x00_abort_isp,
1635 };
1636
1637 static struct isp_operations qla82xx_isp_ops = {
1638 .pci_config = qla82xx_pci_config,
1639 .reset_chip = qla82xx_reset_chip,
1640 .chip_diag = qla24xx_chip_diag,
1641 .config_rings = qla82xx_config_rings,
1642 .reset_adapter = qla24xx_reset_adapter,
1643 .nvram_config = qla81xx_nvram_config,
1644 .update_fw_options = qla24xx_update_fw_options,
1645 .load_risc = qla82xx_load_risc,
1646 .pci_info_str = qla82xx_pci_info_str,
1647 .fw_version_str = qla24xx_fw_version_str,
1648 .intr_handler = qla82xx_intr_handler,
1649 .enable_intrs = qla82xx_enable_intrs,
1650 .disable_intrs = qla82xx_disable_intrs,
1651 .abort_command = qla24xx_abort_command,
1652 .target_reset = qla24xx_abort_target,
1653 .lun_reset = qla24xx_lun_reset,
1654 .fabric_login = qla24xx_login_fabric,
1655 .fabric_logout = qla24xx_fabric_logout,
1656 .calc_req_entries = NULL,
1657 .build_iocbs = NULL,
1658 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1659 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1660 .read_nvram = qla24xx_read_nvram_data,
1661 .write_nvram = qla24xx_write_nvram_data,
1662 .fw_dump = qla24xx_fw_dump,
1663 .beacon_on = qla24xx_beacon_on,
1664 .beacon_off = qla24xx_beacon_off,
1665 .beacon_blink = qla24xx_beacon_blink,
1666 .read_optrom = qla82xx_read_optrom_data,
1667 .write_optrom = qla82xx_write_optrom_data,
1668 .get_flash_version = qla24xx_get_flash_version,
1669 .start_scsi = qla82xx_start_scsi,
1670 .abort_isp = qla82xx_abort_isp,
1671 };
1672
1673 static inline void
1674 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1675 {
1676 ha->device_type = DT_EXTENDED_IDS;
1677 switch (ha->pdev->device) {
1678 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1679 ha->device_type |= DT_ISP2100;
1680 ha->device_type &= ~DT_EXTENDED_IDS;
1681 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1682 break;
1683 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1684 ha->device_type |= DT_ISP2200;
1685 ha->device_type &= ~DT_EXTENDED_IDS;
1686 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1687 break;
1688 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1689 ha->device_type |= DT_ISP2300;
1690 ha->device_type |= DT_ZIO_SUPPORTED;
1691 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1692 break;
1693 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1694 ha->device_type |= DT_ISP2312;
1695 ha->device_type |= DT_ZIO_SUPPORTED;
1696 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1697 break;
1698 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1699 ha->device_type |= DT_ISP2322;
1700 ha->device_type |= DT_ZIO_SUPPORTED;
1701 if (ha->pdev->subsystem_vendor == 0x1028 &&
1702 ha->pdev->subsystem_device == 0x0170)
1703 ha->device_type |= DT_OEM_001;
1704 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1705 break;
1706 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1707 ha->device_type |= DT_ISP6312;
1708 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1709 break;
1710 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1711 ha->device_type |= DT_ISP6322;
1712 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1713 break;
1714 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1715 ha->device_type |= DT_ISP2422;
1716 ha->device_type |= DT_ZIO_SUPPORTED;
1717 ha->device_type |= DT_FWI2;
1718 ha->device_type |= DT_IIDMA;
1719 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1720 break;
1721 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1722 ha->device_type |= DT_ISP2432;
1723 ha->device_type |= DT_ZIO_SUPPORTED;
1724 ha->device_type |= DT_FWI2;
1725 ha->device_type |= DT_IIDMA;
1726 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1727 break;
1728 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1729 ha->device_type |= DT_ISP8432;
1730 ha->device_type |= DT_ZIO_SUPPORTED;
1731 ha->device_type |= DT_FWI2;
1732 ha->device_type |= DT_IIDMA;
1733 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1734 break;
1735 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1736 ha->device_type |= DT_ISP5422;
1737 ha->device_type |= DT_FWI2;
1738 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1739 break;
1740 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1741 ha->device_type |= DT_ISP5432;
1742 ha->device_type |= DT_FWI2;
1743 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1744 break;
1745 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1746 ha->device_type |= DT_ISP2532;
1747 ha->device_type |= DT_ZIO_SUPPORTED;
1748 ha->device_type |= DT_FWI2;
1749 ha->device_type |= DT_IIDMA;
1750 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1751 break;
1752 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1753 ha->device_type |= DT_ISP8001;
1754 ha->device_type |= DT_ZIO_SUPPORTED;
1755 ha->device_type |= DT_FWI2;
1756 ha->device_type |= DT_IIDMA;
1757 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1758 break;
1759 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1760 ha->device_type |= DT_ISP8021;
1761 ha->device_type |= DT_ZIO_SUPPORTED;
1762 ha->device_type |= DT_FWI2;
1763 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1764 /* Initialize 82XX ISP flags */
1765 qla82xx_init_flags(ha);
1766 break;
1767 }
1768
1769 if (IS_QLA82XX(ha))
1770 ha->port_no = !(ha->portnum & 1);
1771 else
1772 /* Get adapter physical port no from interrupt pin register. */
1773 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1774
1775 if (ha->port_no & 1)
1776 ha->flags.port0 = 1;
1777 else
1778 ha->flags.port0 = 0;
1779 }
1780
1781 static int
1782 qla2x00_iospace_config(struct qla_hw_data *ha)
1783 {
1784 resource_size_t pio;
1785 uint16_t msix;
1786 int cpus;
1787
1788 if (IS_QLA82XX(ha))
1789 return qla82xx_iospace_config(ha);
1790
1791 if (pci_request_selected_regions(ha->pdev, ha->bars,
1792 QLA2XXX_DRIVER_NAME)) {
1793 qla_printk(KERN_WARNING, ha,
1794 "Failed to reserve PIO/MMIO regions (%s)\n",
1795 pci_name(ha->pdev));
1796
1797 goto iospace_error_exit;
1798 }
1799 if (!(ha->bars & 1))
1800 goto skip_pio;
1801
1802 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1803 pio = pci_resource_start(ha->pdev, 0);
1804 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1805 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1806 qla_printk(KERN_WARNING, ha,
1807 "Invalid PCI I/O region size (%s)...\n",
1808 pci_name(ha->pdev));
1809 pio = 0;
1810 }
1811 } else {
1812 qla_printk(KERN_WARNING, ha,
1813 "region #0 not a PIO resource (%s)...\n",
1814 pci_name(ha->pdev));
1815 pio = 0;
1816 }
1817 ha->pio_address = pio;
1818
1819 skip_pio:
1820 /* Use MMIO operations for all accesses. */
1821 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1822 qla_printk(KERN_ERR, ha,
1823 "region #1 not an MMIO resource (%s), aborting\n",
1824 pci_name(ha->pdev));
1825 goto iospace_error_exit;
1826 }
1827 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1828 qla_printk(KERN_ERR, ha,
1829 "Invalid PCI mem region size (%s), aborting\n",
1830 pci_name(ha->pdev));
1831 goto iospace_error_exit;
1832 }
1833
1834 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1835 if (!ha->iobase) {
1836 qla_printk(KERN_ERR, ha,
1837 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1838
1839 goto iospace_error_exit;
1840 }
1841
1842 /* Determine queue resources */
1843 ha->max_req_queues = ha->max_rsp_queues = 1;
1844 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1845 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1846 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1847 goto mqiobase_exit;
1848
1849 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1850 pci_resource_len(ha->pdev, 3));
1851 if (ha->mqiobase) {
1852 /* Read MSIX vector size of the board */
1853 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1854 ha->msix_count = msix;
1855 /* Max queues are bounded by available msix vectors */
1856 /* queue 0 uses two msix vectors */
1857 if (ql2xmultique_tag) {
1858 cpus = num_online_cpus();
1859 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1860 (cpus + 1) : (ha->msix_count - 1);
1861 ha->max_req_queues = 2;
1862 } else if (ql2xmaxqueues > 1) {
1863 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1864 QLA_MQ_SIZE : ql2xmaxqueues;
1865 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1866 " of request queues:%d\n", ha->max_req_queues));
1867 }
1868 qla_printk(KERN_INFO, ha,
1869 "MSI-X vector count: %d\n", msix);
1870 } else
1871 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1872
1873 mqiobase_exit:
1874 ha->msix_count = ha->max_rsp_queues + 1;
1875 return (0);
1876
1877 iospace_error_exit:
1878 return (-ENOMEM);
1879 }
1880
1881 static void
1882 qla2xxx_scan_start(struct Scsi_Host *shost)
1883 {
1884 scsi_qla_host_t *vha = shost_priv(shost);
1885
1886 if (vha->hw->flags.running_gold_fw)
1887 return;
1888
1889 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1890 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1891 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1892 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1893 }
1894
1895 static int
1896 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1897 {
1898 scsi_qla_host_t *vha = shost_priv(shost);
1899
1900 if (!vha->host)
1901 return 1;
1902 if (time > vha->hw->loop_reset_delay * HZ)
1903 return 1;
1904
1905 return atomic_read(&vha->loop_state) == LOOP_READY;
1906 }
1907
1908 /*
1909 * PCI driver interface
1910 */
1911 static int __devinit
1912 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1913 {
1914 int ret = -ENODEV;
1915 struct Scsi_Host *host;
1916 scsi_qla_host_t *base_vha = NULL;
1917 struct qla_hw_data *ha;
1918 char pci_info[30];
1919 char fw_str[30];
1920 struct scsi_host_template *sht;
1921 int bars, max_id, mem_only = 0;
1922 uint16_t req_length = 0, rsp_length = 0;
1923 struct req_que *req = NULL;
1924 struct rsp_que *rsp = NULL;
1925
1926 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1927 sht = &qla2xxx_driver_template;
1928 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1929 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1930 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1931 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1932 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1933 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1934 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1935 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1936 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1937 mem_only = 1;
1938 }
1939
1940 if (mem_only) {
1941 if (pci_enable_device_mem(pdev))
1942 goto probe_out;
1943 } else {
1944 if (pci_enable_device(pdev))
1945 goto probe_out;
1946 }
1947
1948 /* This may fail but that's ok */
1949 pci_enable_pcie_error_reporting(pdev);
1950
1951 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1952 if (!ha) {
1953 DEBUG(printk("Unable to allocate memory for ha\n"));
1954 goto probe_out;
1955 }
1956 ha->pdev = pdev;
1957
1958 /* Clear our data area */
1959 ha->bars = bars;
1960 ha->mem_only = mem_only;
1961 spin_lock_init(&ha->hardware_lock);
1962 spin_lock_init(&ha->vport_slock);
1963
1964 /* Set ISP-type information. */
1965 qla2x00_set_isp_flags(ha);
1966
1967 /* Set EEH reset type to fundamental if required by hba */
1968 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1969 pdev->needs_freset = 1;
1970 }
1971
1972 /* Configure PCI I/O space */
1973 ret = qla2x00_iospace_config(ha);
1974 if (ret)
1975 goto probe_hw_failed;
1976
1977 qla_printk(KERN_INFO, ha,
1978 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1979 ha->iobase);
1980
1981 ha->prev_topology = 0;
1982 ha->init_cb_size = sizeof(init_cb_t);
1983 ha->link_data_rate = PORT_SPEED_UNKNOWN;
1984 ha->optrom_size = OPTROM_SIZE_2300;
1985
1986 /* Assign ISP specific operations. */
1987 max_id = MAX_TARGETS_2200;
1988 if (IS_QLA2100(ha)) {
1989 max_id = MAX_TARGETS_2100;
1990 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
1991 req_length = REQUEST_ENTRY_CNT_2100;
1992 rsp_length = RESPONSE_ENTRY_CNT_2100;
1993 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
1994 ha->gid_list_info_size = 4;
1995 ha->flash_conf_off = ~0;
1996 ha->flash_data_off = ~0;
1997 ha->nvram_conf_off = ~0;
1998 ha->nvram_data_off = ~0;
1999 ha->isp_ops = &qla2100_isp_ops;
2000 } else if (IS_QLA2200(ha)) {
2001 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2002 req_length = REQUEST_ENTRY_CNT_2200;
2003 rsp_length = RESPONSE_ENTRY_CNT_2100;
2004 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2005 ha->gid_list_info_size = 4;
2006 ha->flash_conf_off = ~0;
2007 ha->flash_data_off = ~0;
2008 ha->nvram_conf_off = ~0;
2009 ha->nvram_data_off = ~0;
2010 ha->isp_ops = &qla2100_isp_ops;
2011 } else if (IS_QLA23XX(ha)) {
2012 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2013 req_length = REQUEST_ENTRY_CNT_2200;
2014 rsp_length = RESPONSE_ENTRY_CNT_2300;
2015 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2016 ha->gid_list_info_size = 6;
2017 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2018 ha->optrom_size = OPTROM_SIZE_2322;
2019 ha->flash_conf_off = ~0;
2020 ha->flash_data_off = ~0;
2021 ha->nvram_conf_off = ~0;
2022 ha->nvram_data_off = ~0;
2023 ha->isp_ops = &qla2300_isp_ops;
2024 } else if (IS_QLA24XX_TYPE(ha)) {
2025 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2026 req_length = REQUEST_ENTRY_CNT_24XX;
2027 rsp_length = RESPONSE_ENTRY_CNT_2300;
2028 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2029 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2030 ha->gid_list_info_size = 8;
2031 ha->optrom_size = OPTROM_SIZE_24XX;
2032 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2033 ha->isp_ops = &qla24xx_isp_ops;
2034 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2035 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2036 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2037 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2038 } else if (IS_QLA25XX(ha)) {
2039 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2040 req_length = REQUEST_ENTRY_CNT_24XX;
2041 rsp_length = RESPONSE_ENTRY_CNT_2300;
2042 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2043 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2044 ha->gid_list_info_size = 8;
2045 ha->optrom_size = OPTROM_SIZE_25XX;
2046 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2047 ha->isp_ops = &qla25xx_isp_ops;
2048 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2049 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2050 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2051 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2052 } else if (IS_QLA81XX(ha)) {
2053 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2054 req_length = REQUEST_ENTRY_CNT_24XX;
2055 rsp_length = RESPONSE_ENTRY_CNT_2300;
2056 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2057 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2058 ha->gid_list_info_size = 8;
2059 ha->optrom_size = OPTROM_SIZE_81XX;
2060 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2061 ha->isp_ops = &qla81xx_isp_ops;
2062 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2063 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2064 ha->nvram_conf_off = ~0;
2065 ha->nvram_data_off = ~0;
2066 } else if (IS_QLA82XX(ha)) {
2067 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2068 req_length = REQUEST_ENTRY_CNT_82XX;
2069 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2070 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2071 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2072 ha->gid_list_info_size = 8;
2073 ha->optrom_size = OPTROM_SIZE_82XX;
2074 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2075 ha->isp_ops = &qla82xx_isp_ops;
2076 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2077 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2078 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2079 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2080 }
2081
2082 mutex_init(&ha->vport_lock);
2083 init_completion(&ha->mbx_cmd_comp);
2084 complete(&ha->mbx_cmd_comp);
2085 init_completion(&ha->mbx_intr_comp);
2086 init_completion(&ha->dcbx_comp);
2087
2088 set_bit(0, (unsigned long *) ha->vp_idx_map);
2089
2090 qla2x00_config_dma_addressing(ha);
2091 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2092 if (!ret) {
2093 qla_printk(KERN_WARNING, ha,
2094 "[ERROR] Failed to allocate memory for adapter\n");
2095
2096 goto probe_hw_failed;
2097 }
2098
2099 req->max_q_depth = MAX_Q_DEPTH;
2100 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2101 req->max_q_depth = ql2xmaxqdepth;
2102
2103
2104 base_vha = qla2x00_create_host(sht, ha);
2105 if (!base_vha) {
2106 qla_printk(KERN_WARNING, ha,
2107 "[ERROR] Failed to allocate memory for scsi_host\n");
2108
2109 ret = -ENOMEM;
2110 qla2x00_mem_free(ha);
2111 qla2x00_free_req_que(ha, req);
2112 qla2x00_free_rsp_que(ha, rsp);
2113 goto probe_hw_failed;
2114 }
2115
2116 pci_set_drvdata(pdev, base_vha);
2117
2118 host = base_vha->host;
2119 base_vha->req = req;
2120 host->can_queue = req->length + 128;
2121 if (IS_QLA2XXX_MIDTYPE(ha))
2122 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2123 else
2124 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2125 base_vha->vp_idx;
2126
2127 /* Set the SG table size based on ISP type */
2128 if (!IS_FWI2_CAPABLE(ha)) {
2129 if (IS_QLA2100(ha))
2130 host->sg_tablesize = 32;
2131 } else {
2132 if (!IS_QLA82XX(ha))
2133 host->sg_tablesize = QLA_SG_ALL;
2134 }
2135
2136 host->max_id = max_id;
2137 host->this_id = 255;
2138 host->cmd_per_lun = 3;
2139 host->unique_id = host->host_no;
2140 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2141 host->max_cmd_len = 32;
2142 else
2143 host->max_cmd_len = MAX_CMDSZ;
2144 host->max_channel = MAX_BUSES - 1;
2145 host->max_lun = ql2xmaxlun;
2146 host->transportt = qla2xxx_transport_template;
2147 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2148
2149 /* Set up the irqs */
2150 ret = qla2x00_request_irqs(ha, rsp);
2151 if (ret)
2152 goto probe_init_failed;
2153
2154 pci_save_state(pdev);
2155
2156 /* Alloc arrays of request and response ring ptrs */
2157 que_init:
2158 if (!qla2x00_alloc_queues(ha)) {
2159 qla_printk(KERN_WARNING, ha,
2160 "[ERROR] Failed to allocate memory for queue"
2161 " pointers\n");
2162 goto probe_init_failed;
2163 }
2164
2165 ha->rsp_q_map[0] = rsp;
2166 ha->req_q_map[0] = req;
2167 rsp->req = req;
2168 req->rsp = rsp;
2169 set_bit(0, ha->req_qid_map);
2170 set_bit(0, ha->rsp_qid_map);
2171 /* FWI2-capable only. */
2172 req->req_q_in = &ha->iobase->isp24.req_q_in;
2173 req->req_q_out = &ha->iobase->isp24.req_q_out;
2174 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2175 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2176 if (ha->mqenable) {
2177 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2178 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2179 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2180 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2181 }
2182
2183 if (IS_QLA82XX(ha)) {
2184 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2185 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2186 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2187 }
2188
2189 if (qla2x00_initialize_adapter(base_vha)) {
2190 qla_printk(KERN_WARNING, ha,
2191 "Failed to initialize adapter\n");
2192
2193 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2194 "Adapter flags %x.\n",
2195 base_vha->host_no, base_vha->device_flags));
2196
2197 if (IS_QLA82XX(ha)) {
2198 qla82xx_idc_lock(ha);
2199 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2200 QLA82XX_DEV_FAILED);
2201 qla82xx_idc_unlock(ha);
2202 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2203 }
2204
2205 ret = -ENODEV;
2206 goto probe_failed;
2207 }
2208
2209 if (ha->mqenable) {
2210 if (qla25xx_setup_mode(base_vha)) {
2211 qla_printk(KERN_WARNING, ha,
2212 "Can't create queues, falling back to single"
2213 " queue mode\n");
2214 goto que_init;
2215 }
2216 }
2217
2218 if (ha->flags.running_gold_fw)
2219 goto skip_dpc;
2220
2221 /*
2222 * Startup the kernel thread for this host adapter
2223 */
2224 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2225 "%s_dpc", base_vha->host_str);
2226 if (IS_ERR(ha->dpc_thread)) {
2227 qla_printk(KERN_WARNING, ha,
2228 "Unable to start DPC thread!\n");
2229 ret = PTR_ERR(ha->dpc_thread);
2230 goto probe_failed;
2231 }
2232
2233 skip_dpc:
2234 list_add_tail(&base_vha->list, &ha->vp_list);
2235 base_vha->host->irq = ha->pdev->irq;
2236
2237 /* Initialized the timer */
2238 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2239
2240 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2241 base_vha->host_no, ha));
2242
2243 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2244 if (ha->fw_attributes & BIT_4) {
2245 base_vha->flags.difdix_supported = 1;
2246 DEBUG18(qla_printk(KERN_INFO, ha,
2247 "Registering for DIF/DIX type 1 and 3"
2248 " protection.\n"));
2249 scsi_host_set_prot(host,
2250 SHOST_DIF_TYPE1_PROTECTION
2251 | SHOST_DIF_TYPE2_PROTECTION
2252 | SHOST_DIF_TYPE3_PROTECTION
2253 | SHOST_DIX_TYPE1_PROTECTION
2254 | SHOST_DIX_TYPE2_PROTECTION
2255 | SHOST_DIX_TYPE3_PROTECTION);
2256 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2257 } else
2258 base_vha->flags.difdix_supported = 0;
2259 }
2260
2261 ha->isp_ops->enable_intrs(ha);
2262
2263 ret = scsi_add_host(host, &pdev->dev);
2264 if (ret)
2265 goto probe_failed;
2266
2267 base_vha->flags.init_done = 1;
2268 base_vha->flags.online = 1;
2269
2270 scsi_scan_host(host);
2271
2272 qla2x00_alloc_sysfs_attr(base_vha);
2273
2274 qla2x00_init_host_attr(base_vha);
2275
2276 qla2x00_dfs_setup(base_vha);
2277
2278 qla_printk(KERN_INFO, ha, "\n"
2279 " QLogic Fibre Channel HBA Driver: %s\n"
2280 " QLogic %s - %s\n"
2281 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2282 qla2x00_version_str, ha->model_number,
2283 ha->model_desc ? ha->model_desc : "", pdev->device,
2284 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2285 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2286 ha->isp_ops->fw_version_str(base_vha, fw_str));
2287
2288 return 0;
2289
2290 probe_init_failed:
2291 qla2x00_free_req_que(ha, req);
2292 qla2x00_free_rsp_que(ha, rsp);
2293 ha->max_req_queues = ha->max_rsp_queues = 0;
2294
2295 probe_failed:
2296 if (base_vha->timer_active)
2297 qla2x00_stop_timer(base_vha);
2298 base_vha->flags.online = 0;
2299 if (ha->dpc_thread) {
2300 struct task_struct *t = ha->dpc_thread;
2301
2302 ha->dpc_thread = NULL;
2303 kthread_stop(t);
2304 }
2305
2306 qla2x00_free_device(base_vha);
2307
2308 scsi_host_put(base_vha->host);
2309
2310 probe_hw_failed:
2311 if (IS_QLA82XX(ha)) {
2312 qla82xx_idc_lock(ha);
2313 qla82xx_clear_drv_active(ha);
2314 qla82xx_idc_unlock(ha);
2315 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2316 if (!ql2xdbwr)
2317 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2318 } else {
2319 if (ha->iobase)
2320 iounmap(ha->iobase);
2321 }
2322 pci_release_selected_regions(ha->pdev, ha->bars);
2323 kfree(ha);
2324 ha = NULL;
2325
2326 probe_out:
2327 pci_disable_device(pdev);
2328 return ret;
2329 }
2330
2331 static void
2332 qla2x00_shutdown(struct pci_dev *pdev)
2333 {
2334 scsi_qla_host_t *vha;
2335 struct qla_hw_data *ha;
2336
2337 vha = pci_get_drvdata(pdev);
2338 ha = vha->hw;
2339
2340 /* Turn-off FCE trace */
2341 if (ha->flags.fce_enabled) {
2342 qla2x00_disable_fce_trace(vha, NULL, NULL);
2343 ha->flags.fce_enabled = 0;
2344 }
2345
2346 /* Turn-off EFT trace */
2347 if (ha->eft)
2348 qla2x00_disable_eft_trace(vha);
2349
2350 /* Stop currently executing firmware. */
2351 qla2x00_try_to_stop_firmware(vha);
2352
2353 /* Turn adapter off line */
2354 vha->flags.online = 0;
2355
2356 /* turn-off interrupts on the card */
2357 if (ha->interrupts_on) {
2358 vha->flags.init_done = 0;
2359 ha->isp_ops->disable_intrs(ha);
2360 }
2361
2362 qla2x00_free_irqs(vha);
2363
2364 qla2x00_free_fw_dump(ha);
2365 }
2366
2367 static void
2368 qla2x00_remove_one(struct pci_dev *pdev)
2369 {
2370 scsi_qla_host_t *base_vha, *vha;
2371 struct qla_hw_data *ha;
2372 unsigned long flags;
2373
2374 base_vha = pci_get_drvdata(pdev);
2375 ha = base_vha->hw;
2376
2377 mutex_lock(&ha->vport_lock);
2378 while (ha->cur_vport_count) {
2379 struct Scsi_Host *scsi_host;
2380
2381 spin_lock_irqsave(&ha->vport_slock, flags);
2382
2383 BUG_ON(base_vha->list.next == &ha->vp_list);
2384 /* This assumes first entry in ha->vp_list is always base vha */
2385 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2386 scsi_host = scsi_host_get(vha->host);
2387
2388 spin_unlock_irqrestore(&ha->vport_slock, flags);
2389 mutex_unlock(&ha->vport_lock);
2390
2391 fc_vport_terminate(vha->fc_vport);
2392 scsi_host_put(vha->host);
2393
2394 mutex_lock(&ha->vport_lock);
2395 }
2396 mutex_unlock(&ha->vport_lock);
2397
2398 set_bit(UNLOADING, &base_vha->dpc_flags);
2399
2400 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2401
2402 qla2x00_dfs_remove(base_vha);
2403
2404 qla84xx_put_chip(base_vha);
2405
2406 /* Disable timer */
2407 if (base_vha->timer_active)
2408 qla2x00_stop_timer(base_vha);
2409
2410 base_vha->flags.online = 0;
2411
2412 /* Flush the work queue and remove it */
2413 if (ha->wq) {
2414 flush_workqueue(ha->wq);
2415 destroy_workqueue(ha->wq);
2416 ha->wq = NULL;
2417 }
2418
2419 /* Kill the kernel thread for this host */
2420 if (ha->dpc_thread) {
2421 struct task_struct *t = ha->dpc_thread;
2422
2423 /*
2424 * qla2xxx_wake_dpc checks for ->dpc_thread
2425 * so we need to zero it out.
2426 */
2427 ha->dpc_thread = NULL;
2428 kthread_stop(t);
2429 }
2430
2431 qla2x00_free_sysfs_attr(base_vha);
2432
2433 fc_remove_host(base_vha->host);
2434
2435 scsi_remove_host(base_vha->host);
2436
2437 qla2x00_free_device(base_vha);
2438
2439 scsi_host_put(base_vha->host);
2440
2441 if (IS_QLA82XX(ha)) {
2442 qla82xx_idc_lock(ha);
2443 qla82xx_clear_drv_active(ha);
2444 qla82xx_idc_unlock(ha);
2445
2446 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2447 if (!ql2xdbwr)
2448 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2449 } else {
2450 if (ha->iobase)
2451 iounmap(ha->iobase);
2452
2453 if (ha->mqiobase)
2454 iounmap(ha->mqiobase);
2455 }
2456
2457 pci_release_selected_regions(ha->pdev, ha->bars);
2458 kfree(ha);
2459 ha = NULL;
2460
2461 pci_disable_pcie_error_reporting(pdev);
2462
2463 pci_disable_device(pdev);
2464 pci_set_drvdata(pdev, NULL);
2465 }
2466
2467 static void
2468 qla2x00_free_device(scsi_qla_host_t *vha)
2469 {
2470 struct qla_hw_data *ha = vha->hw;
2471
2472 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2473
2474 /* Disable timer */
2475 if (vha->timer_active)
2476 qla2x00_stop_timer(vha);
2477
2478 /* Kill the kernel thread for this host */
2479 if (ha->dpc_thread) {
2480 struct task_struct *t = ha->dpc_thread;
2481
2482 /*
2483 * qla2xxx_wake_dpc checks for ->dpc_thread
2484 * so we need to zero it out.
2485 */
2486 ha->dpc_thread = NULL;
2487 kthread_stop(t);
2488 }
2489
2490 qla25xx_delete_queues(vha);
2491
2492 if (ha->flags.fce_enabled)
2493 qla2x00_disable_fce_trace(vha, NULL, NULL);
2494
2495 if (ha->eft)
2496 qla2x00_disable_eft_trace(vha);
2497
2498 /* Stop currently executing firmware. */
2499 qla2x00_try_to_stop_firmware(vha);
2500
2501 vha->flags.online = 0;
2502
2503 /* turn-off interrupts on the card */
2504 if (ha->interrupts_on) {
2505 vha->flags.init_done = 0;
2506 ha->isp_ops->disable_intrs(ha);
2507 }
2508
2509 qla2x00_free_irqs(vha);
2510
2511 qla2x00_free_fcports(vha);
2512
2513 qla2x00_mem_free(ha);
2514
2515 qla2x00_free_queues(ha);
2516 }
2517
2518 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2519 {
2520 fc_port_t *fcport, *tfcport;
2521
2522 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2523 list_del(&fcport->list);
2524 kfree(fcport);
2525 fcport = NULL;
2526 }
2527 }
2528
2529 static inline void
2530 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2531 int defer)
2532 {
2533 struct fc_rport *rport;
2534 scsi_qla_host_t *base_vha;
2535 unsigned long flags;
2536
2537 if (!fcport->rport)
2538 return;
2539
2540 rport = fcport->rport;
2541 if (defer) {
2542 base_vha = pci_get_drvdata(vha->hw->pdev);
2543 spin_lock_irqsave(vha->host->host_lock, flags);
2544 fcport->drport = rport;
2545 spin_unlock_irqrestore(vha->host->host_lock, flags);
2546 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2547 qla2xxx_wake_dpc(base_vha);
2548 } else
2549 fc_remote_port_delete(rport);
2550 }
2551
2552 /*
2553 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2554 *
2555 * Input: ha = adapter block pointer. fcport = port structure pointer.
2556 *
2557 * Return: None.
2558 *
2559 * Context:
2560 */
2561 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2562 int do_login, int defer)
2563 {
2564 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2565 vha->vp_idx == fcport->vp_idx) {
2566 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2567 qla2x00_schedule_rport_del(vha, fcport, defer);
2568 }
2569 /*
2570 * We may need to retry the login, so don't change the state of the
2571 * port but do the retries.
2572 */
2573 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2574 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2575
2576 if (!do_login)
2577 return;
2578
2579 if (fcport->login_retry == 0) {
2580 fcport->login_retry = vha->hw->login_retry_count;
2581 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2582
2583 DEBUG(printk("scsi(%ld): Port login retry: "
2584 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2585 "id = 0x%04x retry cnt=%d\n",
2586 vha->host_no,
2587 fcport->port_name[0],
2588 fcport->port_name[1],
2589 fcport->port_name[2],
2590 fcport->port_name[3],
2591 fcport->port_name[4],
2592 fcport->port_name[5],
2593 fcport->port_name[6],
2594 fcport->port_name[7],
2595 fcport->loop_id,
2596 fcport->login_retry));
2597 }
2598 }
2599
2600 /*
2601 * qla2x00_mark_all_devices_lost
2602 * Updates fcport state when device goes offline.
2603 *
2604 * Input:
2605 * ha = adapter block pointer.
2606 * fcport = port structure pointer.
2607 *
2608 * Return:
2609 * None.
2610 *
2611 * Context:
2612 */
2613 void
2614 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2615 {
2616 fc_port_t *fcport;
2617
2618 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2619 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2620 continue;
2621
2622 /*
2623 * No point in marking the device as lost, if the device is
2624 * already DEAD.
2625 */
2626 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2627 continue;
2628 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2629 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2630 if (defer)
2631 qla2x00_schedule_rport_del(vha, fcport, defer);
2632 else if (vha->vp_idx == fcport->vp_idx)
2633 qla2x00_schedule_rport_del(vha, fcport, defer);
2634 }
2635 }
2636 }
2637
2638 /*
2639 * qla2x00_mem_alloc
2640 * Allocates adapter memory.
2641 *
2642 * Returns:
2643 * 0 = success.
2644 * !0 = failure.
2645 */
2646 static int
2647 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2648 struct req_que **req, struct rsp_que **rsp)
2649 {
2650 char name[16];
2651
2652 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2653 &ha->init_cb_dma, GFP_KERNEL);
2654 if (!ha->init_cb)
2655 goto fail;
2656
2657 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2658 &ha->gid_list_dma, GFP_KERNEL);
2659 if (!ha->gid_list)
2660 goto fail_free_init_cb;
2661
2662 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2663 if (!ha->srb_mempool)
2664 goto fail_free_gid_list;
2665
2666 if (IS_QLA82XX(ha)) {
2667 /* Allocate cache for CT6 Ctx. */
2668 if (!ctx_cachep) {
2669 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2670 sizeof(struct ct6_dsd), 0,
2671 SLAB_HWCACHE_ALIGN, NULL);
2672 if (!ctx_cachep)
2673 goto fail_free_gid_list;
2674 }
2675 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2676 ctx_cachep);
2677 if (!ha->ctx_mempool)
2678 goto fail_free_srb_mempool;
2679 }
2680
2681 /* Get memory for cached NVRAM */
2682 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2683 if (!ha->nvram)
2684 goto fail_free_ctx_mempool;
2685
2686 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2687 ha->pdev->device);
2688 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2689 DMA_POOL_SIZE, 8, 0);
2690 if (!ha->s_dma_pool)
2691 goto fail_free_nvram;
2692
2693 if (IS_QLA82XX(ha) || ql2xenabledif) {
2694 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2695 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2696 if (!ha->dl_dma_pool) {
2697 qla_printk(KERN_WARNING, ha,
2698 "Memory Allocation failed - dl_dma_pool\n");
2699 goto fail_s_dma_pool;
2700 }
2701
2702 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2703 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2704 if (!ha->fcp_cmnd_dma_pool) {
2705 qla_printk(KERN_WARNING, ha,
2706 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2707 goto fail_dl_dma_pool;
2708 }
2709 }
2710
2711 /* Allocate memory for SNS commands */
2712 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2713 /* Get consistent memory allocated for SNS commands */
2714 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2715 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2716 if (!ha->sns_cmd)
2717 goto fail_dma_pool;
2718 } else {
2719 /* Get consistent memory allocated for MS IOCB */
2720 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2721 &ha->ms_iocb_dma);
2722 if (!ha->ms_iocb)
2723 goto fail_dma_pool;
2724 /* Get consistent memory allocated for CT SNS commands */
2725 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2726 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2727 if (!ha->ct_sns)
2728 goto fail_free_ms_iocb;
2729 }
2730
2731 /* Allocate memory for request ring */
2732 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2733 if (!*req) {
2734 DEBUG(printk("Unable to allocate memory for req\n"));
2735 goto fail_req;
2736 }
2737 (*req)->length = req_len;
2738 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2739 ((*req)->length + 1) * sizeof(request_t),
2740 &(*req)->dma, GFP_KERNEL);
2741 if (!(*req)->ring) {
2742 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2743 goto fail_req_ring;
2744 }
2745 /* Allocate memory for response ring */
2746 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2747 if (!*rsp) {
2748 qla_printk(KERN_WARNING, ha,
2749 "Unable to allocate memory for rsp\n");
2750 goto fail_rsp;
2751 }
2752 (*rsp)->hw = ha;
2753 (*rsp)->length = rsp_len;
2754 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2755 ((*rsp)->length + 1) * sizeof(response_t),
2756 &(*rsp)->dma, GFP_KERNEL);
2757 if (!(*rsp)->ring) {
2758 qla_printk(KERN_WARNING, ha,
2759 "Unable to allocate memory for rsp_ring\n");
2760 goto fail_rsp_ring;
2761 }
2762 (*req)->rsp = *rsp;
2763 (*rsp)->req = *req;
2764 /* Allocate memory for NVRAM data for vports */
2765 if (ha->nvram_npiv_size) {
2766 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2767 ha->nvram_npiv_size, GFP_KERNEL);
2768 if (!ha->npiv_info) {
2769 qla_printk(KERN_WARNING, ha,
2770 "Unable to allocate memory for npiv info\n");
2771 goto fail_npiv_info;
2772 }
2773 } else
2774 ha->npiv_info = NULL;
2775
2776 /* Get consistent memory allocated for EX-INIT-CB. */
2777 if (IS_QLA8XXX_TYPE(ha)) {
2778 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2779 &ha->ex_init_cb_dma);
2780 if (!ha->ex_init_cb)
2781 goto fail_ex_init_cb;
2782 }
2783
2784 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2785
2786 /* Get consistent memory allocated for Async Port-Database. */
2787 if (!IS_FWI2_CAPABLE(ha)) {
2788 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2789 &ha->async_pd_dma);
2790 if (!ha->async_pd)
2791 goto fail_async_pd;
2792 }
2793
2794 INIT_LIST_HEAD(&ha->vp_list);
2795 return 1;
2796
2797 fail_async_pd:
2798 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2799 fail_ex_init_cb:
2800 kfree(ha->npiv_info);
2801 fail_npiv_info:
2802 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2803 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2804 (*rsp)->ring = NULL;
2805 (*rsp)->dma = 0;
2806 fail_rsp_ring:
2807 kfree(*rsp);
2808 fail_rsp:
2809 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2810 sizeof(request_t), (*req)->ring, (*req)->dma);
2811 (*req)->ring = NULL;
2812 (*req)->dma = 0;
2813 fail_req_ring:
2814 kfree(*req);
2815 fail_req:
2816 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2817 ha->ct_sns, ha->ct_sns_dma);
2818 ha->ct_sns = NULL;
2819 ha->ct_sns_dma = 0;
2820 fail_free_ms_iocb:
2821 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2822 ha->ms_iocb = NULL;
2823 ha->ms_iocb_dma = 0;
2824 fail_dma_pool:
2825 if (IS_QLA82XX(ha) || ql2xenabledif) {
2826 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2827 ha->fcp_cmnd_dma_pool = NULL;
2828 }
2829 fail_dl_dma_pool:
2830 if (IS_QLA82XX(ha) || ql2xenabledif) {
2831 dma_pool_destroy(ha->dl_dma_pool);
2832 ha->dl_dma_pool = NULL;
2833 }
2834 fail_s_dma_pool:
2835 dma_pool_destroy(ha->s_dma_pool);
2836 ha->s_dma_pool = NULL;
2837 fail_free_nvram:
2838 kfree(ha->nvram);
2839 ha->nvram = NULL;
2840 fail_free_ctx_mempool:
2841 mempool_destroy(ha->ctx_mempool);
2842 ha->ctx_mempool = NULL;
2843 fail_free_srb_mempool:
2844 mempool_destroy(ha->srb_mempool);
2845 ha->srb_mempool = NULL;
2846 fail_free_gid_list:
2847 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2848 ha->gid_list_dma);
2849 ha->gid_list = NULL;
2850 ha->gid_list_dma = 0;
2851 fail_free_init_cb:
2852 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2853 ha->init_cb_dma);
2854 ha->init_cb = NULL;
2855 ha->init_cb_dma = 0;
2856 fail:
2857 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2858 return -ENOMEM;
2859 }
2860
2861 /*
2862 * qla2x00_free_fw_dump
2863 * Frees fw dump stuff.
2864 *
2865 * Input:
2866 * ha = adapter block pointer.
2867 */
2868 static void
2869 qla2x00_free_fw_dump(struct qla_hw_data *ha)
2870 {
2871 if (ha->fce)
2872 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2873 ha->fce_dma);
2874
2875 if (ha->fw_dump) {
2876 if (ha->eft)
2877 dma_free_coherent(&ha->pdev->dev,
2878 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2879 vfree(ha->fw_dump);
2880 }
2881 ha->fce = NULL;
2882 ha->fce_dma = 0;
2883 ha->eft = NULL;
2884 ha->eft_dma = 0;
2885 ha->fw_dump = NULL;
2886 ha->fw_dumped = 0;
2887 ha->fw_dump_reading = 0;
2888 }
2889
2890 /*
2891 * qla2x00_mem_free
2892 * Frees all adapter allocated memory.
2893 *
2894 * Input:
2895 * ha = adapter block pointer.
2896 */
2897 static void
2898 qla2x00_mem_free(struct qla_hw_data *ha)
2899 {
2900 qla2x00_free_fw_dump(ha);
2901
2902 if (ha->srb_mempool)
2903 mempool_destroy(ha->srb_mempool);
2904
2905 if (ha->dcbx_tlv)
2906 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2907 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2908
2909 if (ha->xgmac_data)
2910 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2911 ha->xgmac_data, ha->xgmac_data_dma);
2912
2913 if (ha->sns_cmd)
2914 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2915 ha->sns_cmd, ha->sns_cmd_dma);
2916
2917 if (ha->ct_sns)
2918 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2919 ha->ct_sns, ha->ct_sns_dma);
2920
2921 if (ha->sfp_data)
2922 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2923
2924 if (ha->edc_data)
2925 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2926
2927 if (ha->ms_iocb)
2928 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2929
2930 if (ha->ex_init_cb)
2931 dma_pool_free(ha->s_dma_pool,
2932 ha->ex_init_cb, ha->ex_init_cb_dma);
2933
2934 if (ha->async_pd)
2935 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2936
2937 if (ha->s_dma_pool)
2938 dma_pool_destroy(ha->s_dma_pool);
2939
2940 if (ha->gid_list)
2941 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2942 ha->gid_list_dma);
2943
2944 if (IS_QLA82XX(ha)) {
2945 if (!list_empty(&ha->gbl_dsd_list)) {
2946 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2947
2948 /* clean up allocated prev pool */
2949 list_for_each_entry_safe(dsd_ptr,
2950 tdsd_ptr, &ha->gbl_dsd_list, list) {
2951 dma_pool_free(ha->dl_dma_pool,
2952 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2953 list_del(&dsd_ptr->list);
2954 kfree(dsd_ptr);
2955 }
2956 }
2957 }
2958
2959 if (ha->dl_dma_pool)
2960 dma_pool_destroy(ha->dl_dma_pool);
2961
2962 if (ha->fcp_cmnd_dma_pool)
2963 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2964
2965 if (ha->ctx_mempool)
2966 mempool_destroy(ha->ctx_mempool);
2967
2968 if (ha->init_cb)
2969 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2970 ha->init_cb, ha->init_cb_dma);
2971 vfree(ha->optrom_buffer);
2972 kfree(ha->nvram);
2973 kfree(ha->npiv_info);
2974
2975 ha->srb_mempool = NULL;
2976 ha->ctx_mempool = NULL;
2977 ha->sns_cmd = NULL;
2978 ha->sns_cmd_dma = 0;
2979 ha->ct_sns = NULL;
2980 ha->ct_sns_dma = 0;
2981 ha->ms_iocb = NULL;
2982 ha->ms_iocb_dma = 0;
2983 ha->init_cb = NULL;
2984 ha->init_cb_dma = 0;
2985 ha->ex_init_cb = NULL;
2986 ha->ex_init_cb_dma = 0;
2987 ha->async_pd = NULL;
2988 ha->async_pd_dma = 0;
2989
2990 ha->s_dma_pool = NULL;
2991 ha->dl_dma_pool = NULL;
2992 ha->fcp_cmnd_dma_pool = NULL;
2993
2994 ha->gid_list = NULL;
2995 ha->gid_list_dma = 0;
2996 }
2997
2998 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2999 struct qla_hw_data *ha)
3000 {
3001 struct Scsi_Host *host;
3002 struct scsi_qla_host *vha = NULL;
3003
3004 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3005 if (host == NULL) {
3006 printk(KERN_WARNING
3007 "qla2xxx: Couldn't allocate host from scsi layer!\n");
3008 goto fail;
3009 }
3010
3011 /* Clear our data area */
3012 vha = shost_priv(host);
3013 memset(vha, 0, sizeof(scsi_qla_host_t));
3014
3015 vha->host = host;
3016 vha->host_no = host->host_no;
3017 vha->hw = ha;
3018
3019 INIT_LIST_HEAD(&vha->vp_fcports);
3020 INIT_LIST_HEAD(&vha->work_list);
3021 INIT_LIST_HEAD(&vha->list);
3022
3023 spin_lock_init(&vha->work_lock);
3024
3025 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3026 return vha;
3027
3028 fail:
3029 return vha;
3030 }
3031
3032 static struct qla_work_evt *
3033 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3034 {
3035 struct qla_work_evt *e;
3036 uint8_t bail;
3037
3038 QLA_VHA_MARK_BUSY(vha, bail);
3039 if (bail)
3040 return NULL;
3041
3042 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3043 if (!e) {
3044 QLA_VHA_MARK_NOT_BUSY(vha);
3045 return NULL;
3046 }
3047
3048 INIT_LIST_HEAD(&e->list);
3049 e->type = type;
3050 e->flags = QLA_EVT_FLAG_FREE;
3051 return e;
3052 }
3053
3054 static int
3055 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3056 {
3057 unsigned long flags;
3058
3059 spin_lock_irqsave(&vha->work_lock, flags);
3060 list_add_tail(&e->list, &vha->work_list);
3061 spin_unlock_irqrestore(&vha->work_lock, flags);
3062 qla2xxx_wake_dpc(vha);
3063
3064 return QLA_SUCCESS;
3065 }
3066
3067 int
3068 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3069 u32 data)
3070 {
3071 struct qla_work_evt *e;
3072
3073 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3074 if (!e)
3075 return QLA_FUNCTION_FAILED;
3076
3077 e->u.aen.code = code;
3078 e->u.aen.data = data;
3079 return qla2x00_post_work(vha, e);
3080 }
3081
3082 int
3083 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3084 {
3085 struct qla_work_evt *e;
3086
3087 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3088 if (!e)
3089 return QLA_FUNCTION_FAILED;
3090
3091 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3092 return qla2x00_post_work(vha, e);
3093 }
3094
3095 #define qla2x00_post_async_work(name, type) \
3096 int qla2x00_post_async_##name##_work( \
3097 struct scsi_qla_host *vha, \
3098 fc_port_t *fcport, uint16_t *data) \
3099 { \
3100 struct qla_work_evt *e; \
3101 \
3102 e = qla2x00_alloc_work(vha, type); \
3103 if (!e) \
3104 return QLA_FUNCTION_FAILED; \
3105 \
3106 e->u.logio.fcport = fcport; \
3107 if (data) { \
3108 e->u.logio.data[0] = data[0]; \
3109 e->u.logio.data[1] = data[1]; \
3110 } \
3111 return qla2x00_post_work(vha, e); \
3112 }
3113
3114 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3115 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3116 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3117 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3118 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3119 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3120
3121 int
3122 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3123 {
3124 struct qla_work_evt *e;
3125
3126 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3127 if (!e)
3128 return QLA_FUNCTION_FAILED;
3129
3130 e->u.uevent.code = code;
3131 return qla2x00_post_work(vha, e);
3132 }
3133
3134 static void
3135 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3136 {
3137 char event_string[40];
3138 char *envp[] = { event_string, NULL };
3139
3140 switch (code) {
3141 case QLA_UEVENT_CODE_FW_DUMP:
3142 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3143 vha->host_no);
3144 break;
3145 default:
3146 /* do nothing */
3147 break;
3148 }
3149 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3150 }
3151
3152 void
3153 qla2x00_do_work(struct scsi_qla_host *vha)
3154 {
3155 struct qla_work_evt *e, *tmp;
3156 unsigned long flags;
3157 LIST_HEAD(work);
3158
3159 spin_lock_irqsave(&vha->work_lock, flags);
3160 list_splice_init(&vha->work_list, &work);
3161 spin_unlock_irqrestore(&vha->work_lock, flags);
3162
3163 list_for_each_entry_safe(e, tmp, &work, list) {
3164 list_del_init(&e->list);
3165
3166 switch (e->type) {
3167 case QLA_EVT_AEN:
3168 fc_host_post_event(vha->host, fc_get_event_number(),
3169 e->u.aen.code, e->u.aen.data);
3170 break;
3171 case QLA_EVT_IDC_ACK:
3172 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3173 break;
3174 case QLA_EVT_ASYNC_LOGIN:
3175 qla2x00_async_login(vha, e->u.logio.fcport,
3176 e->u.logio.data);
3177 break;
3178 case QLA_EVT_ASYNC_LOGIN_DONE:
3179 qla2x00_async_login_done(vha, e->u.logio.fcport,
3180 e->u.logio.data);
3181 break;
3182 case QLA_EVT_ASYNC_LOGOUT:
3183 qla2x00_async_logout(vha, e->u.logio.fcport);
3184 break;
3185 case QLA_EVT_ASYNC_LOGOUT_DONE:
3186 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3187 e->u.logio.data);
3188 break;
3189 case QLA_EVT_ASYNC_ADISC:
3190 qla2x00_async_adisc(vha, e->u.logio.fcport,
3191 e->u.logio.data);
3192 break;
3193 case QLA_EVT_ASYNC_ADISC_DONE:
3194 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3195 e->u.logio.data);
3196 break;
3197 case QLA_EVT_UEVENT:
3198 qla2x00_uevent_emit(vha, e->u.uevent.code);
3199 break;
3200 }
3201 if (e->flags & QLA_EVT_FLAG_FREE)
3202 kfree(e);
3203
3204 /* For each work completed decrement vha ref count */
3205 QLA_VHA_MARK_NOT_BUSY(vha);
3206 }
3207 }
3208
3209 /* Relogins all the fcports of a vport
3210 * Context: dpc thread
3211 */
3212 void qla2x00_relogin(struct scsi_qla_host *vha)
3213 {
3214 fc_port_t *fcport;
3215 int status;
3216 uint16_t next_loopid = 0;
3217 struct qla_hw_data *ha = vha->hw;
3218 uint16_t data[2];
3219
3220 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3221 /*
3222 * If the port is not ONLINE then try to login
3223 * to it if we haven't run out of retries.
3224 */
3225 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3226 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3227 fcport->login_retry--;
3228 if (fcport->flags & FCF_FABRIC_DEVICE) {
3229 if (fcport->flags & FCF_FCP2_DEVICE)
3230 ha->isp_ops->fabric_logout(vha,
3231 fcport->loop_id,
3232 fcport->d_id.b.domain,
3233 fcport->d_id.b.area,
3234 fcport->d_id.b.al_pa);
3235
3236 if (fcport->loop_id == FC_NO_LOOP_ID) {
3237 fcport->loop_id = next_loopid =
3238 ha->min_external_loopid;
3239 status = qla2x00_find_new_loop_id(
3240 vha, fcport);
3241 if (status != QLA_SUCCESS) {
3242 /* Ran out of IDs to use */
3243 break;
3244 }
3245 }
3246
3247 if (IS_ALOGIO_CAPABLE(ha)) {
3248 fcport->flags |= FCF_ASYNC_SENT;
3249 data[0] = 0;
3250 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3251 status = qla2x00_post_async_login_work(
3252 vha, fcport, data);
3253 if (status == QLA_SUCCESS)
3254 continue;
3255 /* Attempt a retry. */
3256 status = 1;
3257 } else
3258 status = qla2x00_fabric_login(vha,
3259 fcport, &next_loopid);
3260 } else
3261 status = qla2x00_local_device_login(vha,
3262 fcport);
3263
3264 if (status == QLA_SUCCESS) {
3265 fcport->old_loop_id = fcport->loop_id;
3266
3267 DEBUG(printk("scsi(%ld): port login OK: logged "
3268 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3269
3270 qla2x00_update_fcport(vha, fcport);
3271
3272 } else if (status == 1) {
3273 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3274 /* retry the login again */
3275 DEBUG(printk("scsi(%ld): Retrying"
3276 " %d login again loop_id 0x%x\n",
3277 vha->host_no, fcport->login_retry,
3278 fcport->loop_id));
3279 } else {
3280 fcport->login_retry = 0;
3281 }
3282
3283 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3284 fcport->loop_id = FC_NO_LOOP_ID;
3285 }
3286 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3287 break;
3288 }
3289 }
3290
3291 /**************************************************************************
3292 * qla2x00_do_dpc
3293 * This kernel thread is a task that is schedule by the interrupt handler
3294 * to perform the background processing for interrupts.
3295 *
3296 * Notes:
3297 * This task always run in the context of a kernel thread. It
3298 * is kick-off by the driver's detect code and starts up
3299 * up one per adapter. It immediately goes to sleep and waits for
3300 * some fibre event. When either the interrupt handler or
3301 * the timer routine detects a event it will one of the task
3302 * bits then wake us up.
3303 **************************************************************************/
3304 static int
3305 qla2x00_do_dpc(void *data)
3306 {
3307 int rval;
3308 scsi_qla_host_t *base_vha;
3309 struct qla_hw_data *ha;
3310
3311 ha = (struct qla_hw_data *)data;
3312 base_vha = pci_get_drvdata(ha->pdev);
3313
3314 set_user_nice(current, -20);
3315
3316 set_current_state(TASK_INTERRUPTIBLE);
3317 while (!kthread_should_stop()) {
3318 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3319
3320 schedule();
3321 __set_current_state(TASK_RUNNING);
3322
3323 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3324
3325 /* Initialization not yet finished. Don't do anything yet. */
3326 if (!base_vha->flags.init_done)
3327 continue;
3328
3329 if (ha->flags.eeh_busy) {
3330 DEBUG17(qla_printk(KERN_WARNING, ha,
3331 "qla2x00_do_dpc: dpc_flags: %lx\n",
3332 base_vha->dpc_flags));
3333 continue;
3334 }
3335
3336 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3337
3338 ha->dpc_active = 1;
3339
3340 if (ha->flags.mbox_busy) {
3341 ha->dpc_active = 0;
3342 continue;
3343 }
3344
3345 qla2x00_do_work(base_vha);
3346
3347 if (IS_QLA82XX(ha)) {
3348 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3349 &base_vha->dpc_flags)) {
3350 qla82xx_idc_lock(ha);
3351 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3352 QLA82XX_DEV_FAILED);
3353 qla82xx_idc_unlock(ha);
3354 qla_printk(KERN_INFO, ha,
3355 "HW State: FAILED\n");
3356 qla82xx_device_state_handler(base_vha);
3357 continue;
3358 }
3359
3360 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3361 &base_vha->dpc_flags)) {
3362
3363 DEBUG(printk(KERN_INFO
3364 "scsi(%ld): dpc: sched "
3365 "qla82xx_fcoe_ctx_reset ha = %p\n",
3366 base_vha->host_no, ha));
3367 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3368 &base_vha->dpc_flags))) {
3369 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3370 /* FCoE-ctx reset failed.
3371 * Escalate to chip-reset
3372 */
3373 set_bit(ISP_ABORT_NEEDED,
3374 &base_vha->dpc_flags);
3375 }
3376 clear_bit(ABORT_ISP_ACTIVE,
3377 &base_vha->dpc_flags);
3378 }
3379
3380 DEBUG(printk("scsi(%ld): dpc:"
3381 " qla82xx_fcoe_ctx_reset end\n",
3382 base_vha->host_no));
3383 }
3384 }
3385
3386 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3387 &base_vha->dpc_flags)) {
3388
3389 DEBUG(printk("scsi(%ld): dpc: sched "
3390 "qla2x00_abort_isp ha = %p\n",
3391 base_vha->host_no, ha));
3392 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3393 &base_vha->dpc_flags))) {
3394
3395 if (ha->isp_ops->abort_isp(base_vha)) {
3396 /* failed. retry later */
3397 set_bit(ISP_ABORT_NEEDED,
3398 &base_vha->dpc_flags);
3399 }
3400 clear_bit(ABORT_ISP_ACTIVE,
3401 &base_vha->dpc_flags);
3402 }
3403
3404 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3405 base_vha->host_no));
3406 }
3407
3408 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3409 qla2x00_update_fcports(base_vha);
3410 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3411 }
3412
3413 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3414 DEBUG(printk(KERN_INFO "scsi(%ld): dpc: sched "
3415 "qla2x00_quiesce_needed ha = %p\n",
3416 base_vha->host_no, ha));
3417 qla82xx_device_state_handler(base_vha);
3418 clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3419 if (!ha->flags.quiesce_owner) {
3420 qla2x00_perform_loop_resync(base_vha);
3421
3422 qla82xx_idc_lock(ha);
3423 qla82xx_clear_qsnt_ready(base_vha);
3424 qla82xx_idc_unlock(ha);
3425 }
3426 }
3427
3428 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3429 &base_vha->dpc_flags) &&
3430 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3431
3432 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3433 base_vha->host_no));
3434
3435 qla2x00_rst_aen(base_vha);
3436 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3437 }
3438
3439 /* Retry each device up to login retry count */
3440 if ((test_and_clear_bit(RELOGIN_NEEDED,
3441 &base_vha->dpc_flags)) &&
3442 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3443 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3444
3445 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3446 base_vha->host_no));
3447 qla2x00_relogin(base_vha);
3448
3449 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3450 base_vha->host_no));
3451 }
3452
3453 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3454 &base_vha->dpc_flags)) {
3455
3456 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3457 base_vha->host_no));
3458
3459 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3460 &base_vha->dpc_flags))) {
3461
3462 rval = qla2x00_loop_resync(base_vha);
3463
3464 clear_bit(LOOP_RESYNC_ACTIVE,
3465 &base_vha->dpc_flags);
3466 }
3467
3468 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3469 base_vha->host_no));
3470 }
3471
3472 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3473 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3474 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3475 qla2xxx_flash_npiv_conf(base_vha);
3476 }
3477
3478 if (!ha->interrupts_on)
3479 ha->isp_ops->enable_intrs(ha);
3480
3481 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3482 &base_vha->dpc_flags))
3483 ha->isp_ops->beacon_blink(base_vha);
3484
3485 qla2x00_do_dpc_all_vps(base_vha);
3486
3487 ha->dpc_active = 0;
3488 set_current_state(TASK_INTERRUPTIBLE);
3489 } /* End of while(1) */
3490 __set_current_state(TASK_RUNNING);
3491
3492 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3493
3494 /*
3495 * Make sure that nobody tries to wake us up again.
3496 */
3497 ha->dpc_active = 0;
3498
3499 /* Cleanup any residual CTX SRBs. */
3500 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3501
3502 return 0;
3503 }
3504
3505 void
3506 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3507 {
3508 struct qla_hw_data *ha = vha->hw;
3509 struct task_struct *t = ha->dpc_thread;
3510
3511 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3512 wake_up_process(t);
3513 }
3514
3515 /*
3516 * qla2x00_rst_aen
3517 * Processes asynchronous reset.
3518 *
3519 * Input:
3520 * ha = adapter block pointer.
3521 */
3522 static void
3523 qla2x00_rst_aen(scsi_qla_host_t *vha)
3524 {
3525 if (vha->flags.online && !vha->flags.reset_active &&
3526 !atomic_read(&vha->loop_down_timer) &&
3527 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3528 do {
3529 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3530
3531 /*
3532 * Issue marker command only when we are going to start
3533 * the I/O.
3534 */
3535 vha->marker_needed = 1;
3536 } while (!atomic_read(&vha->loop_down_timer) &&
3537 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3538 }
3539 }
3540
3541 static void
3542 qla2x00_sp_free_dma(srb_t *sp)
3543 {
3544 struct scsi_cmnd *cmd = sp->cmd;
3545 struct qla_hw_data *ha = sp->fcport->vha->hw;
3546
3547 if (sp->flags & SRB_DMA_VALID) {
3548 scsi_dma_unmap(cmd);
3549 sp->flags &= ~SRB_DMA_VALID;
3550 }
3551
3552 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3553 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3554 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3555 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3556 }
3557
3558 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3559 /* List assured to be having elements */
3560 qla2x00_clean_dsd_pool(ha, sp);
3561 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3562 }
3563
3564 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3565 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3566 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3567 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3568 }
3569
3570 CMD_SP(cmd) = NULL;
3571 }
3572
3573 static void
3574 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3575 {
3576 struct scsi_cmnd *cmd = sp->cmd;
3577
3578 qla2x00_sp_free_dma(sp);
3579
3580 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3581 struct ct6_dsd *ctx = sp->ctx;
3582 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3583 ctx->fcp_cmnd_dma);
3584 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3585 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3586 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3587 mempool_free(sp->ctx, ha->ctx_mempool);
3588 sp->ctx = NULL;
3589 }
3590
3591 mempool_free(sp, ha->srb_mempool);
3592 cmd->scsi_done(cmd);
3593 }
3594
3595 void
3596 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3597 {
3598 if (atomic_read(&sp->ref_count) == 0) {
3599 DEBUG2(qla_printk(KERN_WARNING, ha,
3600 "SP reference-count to ZERO -- sp=%p\n", sp));
3601 DEBUG2(BUG());
3602 return;
3603 }
3604 if (!atomic_dec_and_test(&sp->ref_count))
3605 return;
3606 qla2x00_sp_final_compl(ha, sp);
3607 }
3608
3609 /**************************************************************************
3610 * qla2x00_timer
3611 *
3612 * Description:
3613 * One second timer
3614 *
3615 * Context: Interrupt
3616 ***************************************************************************/
3617 void
3618 qla2x00_timer(scsi_qla_host_t *vha)
3619 {
3620 unsigned long cpu_flags = 0;
3621 int start_dpc = 0;
3622 int index;
3623 srb_t *sp;
3624 uint16_t w;
3625 struct qla_hw_data *ha = vha->hw;
3626 struct req_que *req;
3627
3628 if (ha->flags.eeh_busy) {
3629 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3630 return;
3631 }
3632
3633 /* Hardware read to raise pending EEH errors during mailbox waits. */
3634 if (!pci_channel_offline(ha->pdev))
3635 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3636
3637 /* Make sure qla82xx_watchdog is run only for physical port */
3638 if (!vha->vp_idx && IS_QLA82XX(ha)) {
3639 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3640 start_dpc++;
3641 qla82xx_watchdog(vha);
3642 }
3643
3644 /* Loop down handler. */
3645 if (atomic_read(&vha->loop_down_timer) > 0 &&
3646 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3647 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3648 && vha->flags.online) {
3649
3650 if (atomic_read(&vha->loop_down_timer) ==
3651 vha->loop_down_abort_time) {
3652
3653 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3654 "queues before time expire\n",
3655 vha->host_no));
3656
3657 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3658 atomic_set(&vha->loop_state, LOOP_DEAD);
3659
3660 /*
3661 * Schedule an ISP abort to return any FCP2-device
3662 * commands.
3663 */
3664 /* NPIV - scan physical port only */
3665 if (!vha->vp_idx) {
3666 spin_lock_irqsave(&ha->hardware_lock,
3667 cpu_flags);
3668 req = ha->req_q_map[0];
3669 for (index = 1;
3670 index < MAX_OUTSTANDING_COMMANDS;
3671 index++) {
3672 fc_port_t *sfcp;
3673
3674 sp = req->outstanding_cmds[index];
3675 if (!sp)
3676 continue;
3677 if (sp->ctx && !IS_PROT_IO(sp))
3678 continue;
3679 sfcp = sp->fcport;
3680 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3681 continue;
3682
3683 if (IS_QLA82XX(ha))
3684 set_bit(FCOE_CTX_RESET_NEEDED,
3685 &vha->dpc_flags);
3686 else
3687 set_bit(ISP_ABORT_NEEDED,
3688 &vha->dpc_flags);
3689 break;
3690 }
3691 spin_unlock_irqrestore(&ha->hardware_lock,
3692 cpu_flags);
3693 }
3694 start_dpc++;
3695 }
3696
3697 /* if the loop has been down for 4 minutes, reinit adapter */
3698 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3699 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3700 DEBUG(printk("scsi(%ld): Loop down - "
3701 "aborting ISP.\n",
3702 vha->host_no));
3703 qla_printk(KERN_WARNING, ha,
3704 "Loop down - aborting ISP.\n");
3705
3706 if (IS_QLA82XX(ha))
3707 set_bit(FCOE_CTX_RESET_NEEDED,
3708 &vha->dpc_flags);
3709 else
3710 set_bit(ISP_ABORT_NEEDED,
3711 &vha->dpc_flags);
3712 }
3713 }
3714 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3715 vha->host_no,
3716 atomic_read(&vha->loop_down_timer)));
3717 }
3718
3719 /* Check if beacon LED needs to be blinked for physical host only */
3720 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3721 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3722 start_dpc++;
3723 }
3724
3725 /* Process any deferred work. */
3726 if (!list_empty(&vha->work_list))
3727 start_dpc++;
3728
3729 /* Schedule the DPC routine if needed */
3730 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3731 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3732 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3733 start_dpc ||
3734 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3735 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3736 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3737 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3738 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3739 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3740 qla2xxx_wake_dpc(vha);
3741
3742 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3743 }
3744
3745 /* Firmware interface routines. */
3746
3747 #define FW_BLOBS 8
3748 #define FW_ISP21XX 0
3749 #define FW_ISP22XX 1
3750 #define FW_ISP2300 2
3751 #define FW_ISP2322 3
3752 #define FW_ISP24XX 4
3753 #define FW_ISP25XX 5
3754 #define FW_ISP81XX 6
3755 #define FW_ISP82XX 7
3756
3757 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3758 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3759 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3760 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3761 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3762 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3763 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3764 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3765
3766 static DEFINE_MUTEX(qla_fw_lock);
3767
3768 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3769 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3770 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3771 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3772 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3773 { .name = FW_FILE_ISP24XX, },
3774 { .name = FW_FILE_ISP25XX, },
3775 { .name = FW_FILE_ISP81XX, },
3776 { .name = FW_FILE_ISP82XX, },
3777 };
3778
3779 struct fw_blob *
3780 qla2x00_request_firmware(scsi_qla_host_t *vha)
3781 {
3782 struct qla_hw_data *ha = vha->hw;
3783 struct fw_blob *blob;
3784
3785 blob = NULL;
3786 if (IS_QLA2100(ha)) {
3787 blob = &qla_fw_blobs[FW_ISP21XX];
3788 } else if (IS_QLA2200(ha)) {
3789 blob = &qla_fw_blobs[FW_ISP22XX];
3790 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3791 blob = &qla_fw_blobs[FW_ISP2300];
3792 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3793 blob = &qla_fw_blobs[FW_ISP2322];
3794 } else if (IS_QLA24XX_TYPE(ha)) {
3795 blob = &qla_fw_blobs[FW_ISP24XX];
3796 } else if (IS_QLA25XX(ha)) {
3797 blob = &qla_fw_blobs[FW_ISP25XX];
3798 } else if (IS_QLA81XX(ha)) {
3799 blob = &qla_fw_blobs[FW_ISP81XX];
3800 } else if (IS_QLA82XX(ha)) {
3801 blob = &qla_fw_blobs[FW_ISP82XX];
3802 }
3803
3804 mutex_lock(&qla_fw_lock);
3805 if (blob->fw)
3806 goto out;
3807
3808 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3809 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3810 "(%s).\n", vha->host_no, blob->name));
3811 blob->fw = NULL;
3812 blob = NULL;
3813 goto out;
3814 }
3815
3816 out:
3817 mutex_unlock(&qla_fw_lock);
3818 return blob;
3819 }
3820
3821 static void
3822 qla2x00_release_firmware(void)
3823 {
3824 int idx;
3825
3826 mutex_lock(&qla_fw_lock);
3827 for (idx = 0; idx < FW_BLOBS; idx++)
3828 if (qla_fw_blobs[idx].fw)
3829 release_firmware(qla_fw_blobs[idx].fw);
3830 mutex_unlock(&qla_fw_lock);
3831 }
3832
3833 static pci_ers_result_t
3834 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3835 {
3836 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3837 struct qla_hw_data *ha = vha->hw;
3838
3839 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3840 state));
3841
3842 switch (state) {
3843 case pci_channel_io_normal:
3844 ha->flags.eeh_busy = 0;
3845 return PCI_ERS_RESULT_CAN_RECOVER;
3846 case pci_channel_io_frozen:
3847 ha->flags.eeh_busy = 1;
3848 /* For ISP82XX complete any pending mailbox cmd */
3849 if (IS_QLA82XX(ha)) {
3850 ha->flags.isp82xx_fw_hung = 1;
3851 if (ha->flags.mbox_busy) {
3852 ha->flags.mbox_int = 1;
3853 DEBUG2(qla_printk(KERN_ERR, ha,
3854 "Due to pci channel io frozen, doing premature "
3855 "completion of mbx command\n"));
3856 complete(&ha->mbx_intr_comp);
3857 }
3858 }
3859 qla2x00_free_irqs(vha);
3860 pci_disable_device(pdev);
3861 /* Return back all IOs */
3862 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3863 return PCI_ERS_RESULT_NEED_RESET;
3864 case pci_channel_io_perm_failure:
3865 ha->flags.pci_channel_io_perm_failure = 1;
3866 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3867 return PCI_ERS_RESULT_DISCONNECT;
3868 }
3869 return PCI_ERS_RESULT_NEED_RESET;
3870 }
3871
3872 static pci_ers_result_t
3873 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3874 {
3875 int risc_paused = 0;
3876 uint32_t stat;
3877 unsigned long flags;
3878 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3879 struct qla_hw_data *ha = base_vha->hw;
3880 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3881 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3882
3883 if (IS_QLA82XX(ha))
3884 return PCI_ERS_RESULT_RECOVERED;
3885
3886 spin_lock_irqsave(&ha->hardware_lock, flags);
3887 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3888 stat = RD_REG_DWORD(&reg->hccr);
3889 if (stat & HCCR_RISC_PAUSE)
3890 risc_paused = 1;
3891 } else if (IS_QLA23XX(ha)) {
3892 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3893 if (stat & HSR_RISC_PAUSED)
3894 risc_paused = 1;
3895 } else if (IS_FWI2_CAPABLE(ha)) {
3896 stat = RD_REG_DWORD(&reg24->host_status);
3897 if (stat & HSRX_RISC_PAUSED)
3898 risc_paused = 1;
3899 }
3900 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3901
3902 if (risc_paused) {
3903 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3904 "Dumping firmware!\n");
3905 ha->isp_ops->fw_dump(base_vha, 0);
3906
3907 return PCI_ERS_RESULT_NEED_RESET;
3908 } else
3909 return PCI_ERS_RESULT_RECOVERED;
3910 }
3911
3912 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
3913 {
3914 uint32_t rval = QLA_FUNCTION_FAILED;
3915 uint32_t drv_active = 0;
3916 struct qla_hw_data *ha = base_vha->hw;
3917 int fn;
3918 struct pci_dev *other_pdev = NULL;
3919
3920 DEBUG17(qla_printk(KERN_INFO, ha,
3921 "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no));
3922
3923 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3924
3925 if (base_vha->flags.online) {
3926 /* Abort all outstanding commands,
3927 * so as to be requeued later */
3928 qla2x00_abort_isp_cleanup(base_vha);
3929 }
3930
3931
3932 fn = PCI_FUNC(ha->pdev->devfn);
3933 while (fn > 0) {
3934 fn--;
3935 DEBUG17(qla_printk(KERN_INFO, ha,
3936 "Finding pci device at function = 0x%x\n", fn));
3937 other_pdev =
3938 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
3939 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
3940 fn));
3941
3942 if (!other_pdev)
3943 continue;
3944 if (atomic_read(&other_pdev->enable_cnt)) {
3945 DEBUG17(qla_printk(KERN_INFO, ha,
3946 "Found PCI func available and enabled at 0x%x\n",
3947 fn));
3948 pci_dev_put(other_pdev);
3949 break;
3950 }
3951 pci_dev_put(other_pdev);
3952 }
3953
3954 if (!fn) {
3955 /* Reset owner */
3956 DEBUG17(qla_printk(KERN_INFO, ha,
3957 "This devfn is reset owner = 0x%x\n", ha->pdev->devfn));
3958 qla82xx_idc_lock(ha);
3959
3960 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3961 QLA82XX_DEV_INITIALIZING);
3962
3963 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
3964 QLA82XX_IDC_VERSION);
3965
3966 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3967 DEBUG17(qla_printk(KERN_INFO, ha,
3968 "drv_active = 0x%x\n", drv_active));
3969
3970 qla82xx_idc_unlock(ha);
3971 /* Reset if device is not already reset
3972 * drv_active would be 0 if a reset has already been done
3973 */
3974 if (drv_active)
3975 rval = qla82xx_start_firmware(base_vha);
3976 else
3977 rval = QLA_SUCCESS;
3978 qla82xx_idc_lock(ha);
3979
3980 if (rval != QLA_SUCCESS) {
3981 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
3982 qla82xx_clear_drv_active(ha);
3983 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3984 QLA82XX_DEV_FAILED);
3985 } else {
3986 qla_printk(KERN_INFO, ha, "HW State: READY\n");
3987 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3988 QLA82XX_DEV_READY);
3989 qla82xx_idc_unlock(ha);
3990 ha->flags.isp82xx_fw_hung = 0;
3991 rval = qla82xx_restart_isp(base_vha);
3992 qla82xx_idc_lock(ha);
3993 /* Clear driver state register */
3994 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
3995 qla82xx_set_drv_active(base_vha);
3996 }
3997 qla82xx_idc_unlock(ha);
3998 } else {
3999 DEBUG17(qla_printk(KERN_INFO, ha,
4000 "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn));
4001 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4002 QLA82XX_DEV_READY)) {
4003 ha->flags.isp82xx_fw_hung = 0;
4004 rval = qla82xx_restart_isp(base_vha);
4005 qla82xx_idc_lock(ha);
4006 qla82xx_set_drv_active(base_vha);
4007 qla82xx_idc_unlock(ha);
4008 }
4009 }
4010 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4011
4012 return rval;
4013 }
4014
4015 static pci_ers_result_t
4016 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4017 {
4018 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4019 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4020 struct qla_hw_data *ha = base_vha->hw;
4021 struct rsp_que *rsp;
4022 int rc, retries = 10;
4023
4024 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
4025
4026 /* Workaround: qla2xxx driver which access hardware earlier
4027 * needs error state to be pci_channel_io_online.
4028 * Otherwise mailbox command timesout.
4029 */
4030 pdev->error_state = pci_channel_io_normal;
4031
4032 pci_restore_state(pdev);
4033
4034 /* pci_restore_state() clears the saved_state flag of the device
4035 * save restored state which resets saved_state flag
4036 */
4037 pci_save_state(pdev);
4038
4039 if (ha->mem_only)
4040 rc = pci_enable_device_mem(pdev);
4041 else
4042 rc = pci_enable_device(pdev);
4043
4044 if (rc) {
4045 qla_printk(KERN_WARNING, ha,
4046 "Can't re-enable PCI device after reset.\n");
4047 goto exit_slot_reset;
4048 }
4049
4050 rsp = ha->rsp_q_map[0];
4051 if (qla2x00_request_irqs(ha, rsp))
4052 goto exit_slot_reset;
4053
4054 if (ha->isp_ops->pci_config(base_vha))
4055 goto exit_slot_reset;
4056
4057 if (IS_QLA82XX(ha)) {
4058 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4059 ret = PCI_ERS_RESULT_RECOVERED;
4060 goto exit_slot_reset;
4061 } else
4062 goto exit_slot_reset;
4063 }
4064
4065 while (ha->flags.mbox_busy && retries--)
4066 msleep(1000);
4067
4068 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4069 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4070 ret = PCI_ERS_RESULT_RECOVERED;
4071 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4072
4073
4074 exit_slot_reset:
4075 DEBUG17(qla_printk(KERN_WARNING, ha,
4076 "slot_reset-return:ret=%x\n", ret));
4077
4078 return ret;
4079 }
4080
4081 static void
4082 qla2xxx_pci_resume(struct pci_dev *pdev)
4083 {
4084 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4085 struct qla_hw_data *ha = base_vha->hw;
4086 int ret;
4087
4088 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
4089
4090 ret = qla2x00_wait_for_hba_online(base_vha);
4091 if (ret != QLA_SUCCESS) {
4092 qla_printk(KERN_ERR, ha,
4093 "the device failed to resume I/O "
4094 "from slot/link_reset");
4095 }
4096
4097 pci_cleanup_aer_uncorrect_error_status(pdev);
4098
4099 ha->flags.eeh_busy = 0;
4100 }
4101
4102 static struct pci_error_handlers qla2xxx_err_handler = {
4103 .error_detected = qla2xxx_pci_error_detected,
4104 .mmio_enabled = qla2xxx_pci_mmio_enabled,
4105 .slot_reset = qla2xxx_pci_slot_reset,
4106 .resume = qla2xxx_pci_resume,
4107 };
4108
4109 static struct pci_device_id qla2xxx_pci_tbl[] = {
4110 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4111 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4112 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4113 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4114 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4115 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4116 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4117 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4118 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4119 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4120 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4121 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4122 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4123 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4124 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4125 { 0 },
4126 };
4127 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4128
4129 static struct pci_driver qla2xxx_pci_driver = {
4130 .name = QLA2XXX_DRIVER_NAME,
4131 .driver = {
4132 .owner = THIS_MODULE,
4133 },
4134 .id_table = qla2xxx_pci_tbl,
4135 .probe = qla2x00_probe_one,
4136 .remove = qla2x00_remove_one,
4137 .shutdown = qla2x00_shutdown,
4138 .err_handler = &qla2xxx_err_handler,
4139 };
4140
4141 static struct file_operations apidev_fops = {
4142 .owner = THIS_MODULE,
4143 .llseek = noop_llseek,
4144 };
4145
4146 /**
4147 * qla2x00_module_init - Module initialization.
4148 **/
4149 static int __init
4150 qla2x00_module_init(void)
4151 {
4152 int ret = 0;
4153
4154 /* Allocate cache for SRBs. */
4155 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4156 SLAB_HWCACHE_ALIGN, NULL);
4157 if (srb_cachep == NULL) {
4158 printk(KERN_ERR
4159 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
4160 return -ENOMEM;
4161 }
4162
4163 /* Derive version string. */
4164 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4165 if (ql2xextended_error_logging)
4166 strcat(qla2x00_version_str, "-debug");
4167
4168 qla2xxx_transport_template =
4169 fc_attach_transport(&qla2xxx_transport_functions);
4170 if (!qla2xxx_transport_template) {
4171 kmem_cache_destroy(srb_cachep);
4172 return -ENODEV;
4173 }
4174
4175 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4176 if (apidev_major < 0) {
4177 printk(KERN_WARNING "qla2xxx: Unable to register char device "
4178 "%s\n", QLA2XXX_APIDEV);
4179 }
4180
4181 qla2xxx_transport_vport_template =
4182 fc_attach_transport(&qla2xxx_transport_vport_functions);
4183 if (!qla2xxx_transport_vport_template) {
4184 kmem_cache_destroy(srb_cachep);
4185 fc_release_transport(qla2xxx_transport_template);
4186 return -ENODEV;
4187 }
4188
4189 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
4190 qla2x00_version_str);
4191 ret = pci_register_driver(&qla2xxx_pci_driver);
4192 if (ret) {
4193 kmem_cache_destroy(srb_cachep);
4194 fc_release_transport(qla2xxx_transport_template);
4195 fc_release_transport(qla2xxx_transport_vport_template);
4196 }
4197 return ret;
4198 }
4199
4200 /**
4201 * qla2x00_module_exit - Module cleanup.
4202 **/
4203 static void __exit
4204 qla2x00_module_exit(void)
4205 {
4206 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4207 pci_unregister_driver(&qla2xxx_pci_driver);
4208 qla2x00_release_firmware();
4209 kmem_cache_destroy(srb_cachep);
4210 if (ctx_cachep)
4211 kmem_cache_destroy(ctx_cachep);
4212 fc_release_transport(qla2xxx_transport_template);
4213 fc_release_transport(qla2xxx_transport_vport_template);
4214 }
4215
4216 module_init(qla2x00_module_init);
4217 module_exit(qla2x00_module_exit);
4218
4219 MODULE_AUTHOR("QLogic Corporation");
4220 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4221 MODULE_LICENSE("GPL");
4222 MODULE_VERSION(QLA2XXX_VERSION);
4223 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4224 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4225 MODULE_FIRMWARE(FW_FILE_ISP2300);
4226 MODULE_FIRMWARE(FW_FILE_ISP2322);
4227 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4228 MODULE_FIRMWARE(FW_FILE_ISP25XX);
kernel source for telekom puls (alcatel/mediatek)