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[SCSI] qla2xxx: T10 DIF enablement for 81XX
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / qla2xxx / qla_os.c
blobbc35ecfbc28fbdaf5cbdd2c4bf81765ed1834c1e
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
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|S_IRUSR);
139 MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
142
143 int ql2xdbwr;
144 module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
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 ql2xdontresethba;
151 module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
152 MODULE_PARM_DESC(ql2xdontresethba,
153 "Option to specify reset behaviour\n"
154 " 0 (Default) -- Reset on failure.\n"
155 " 1 -- Do not reset on failure.\n");
156
157 int ql2xtargetreset = 1;
158 module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
159 MODULE_PARM_DESC(ql2xtargetreset,
160 "Enable target reset."
161 "Default is 1 - use hw defaults.");
162
163
164 int ql2xasynctmfenable;
165 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
166 MODULE_PARM_DESC(ql2xasynctmfenable,
167 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
168 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
169 /*
170 * SCSI host template entry points
171 */
172 static int qla2xxx_slave_configure(struct scsi_device * device);
173 static int qla2xxx_slave_alloc(struct scsi_device *);
174 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
175 static void qla2xxx_scan_start(struct Scsi_Host *);
176 static void qla2xxx_slave_destroy(struct scsi_device *);
177 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
178 void (*fn)(struct scsi_cmnd *));
179 static int qla2xxx_eh_abort(struct scsi_cmnd *);
180 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
181 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
182 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
183 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
184
185 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
186 static int qla2x00_change_queue_type(struct scsi_device *, int);
187
188 struct scsi_host_template qla2xxx_driver_template = {
189 .module = THIS_MODULE,
190 .name = QLA2XXX_DRIVER_NAME,
191 .queuecommand = qla2xxx_queuecommand,
192
193 .eh_abort_handler = qla2xxx_eh_abort,
194 .eh_device_reset_handler = qla2xxx_eh_device_reset,
195 .eh_target_reset_handler = qla2xxx_eh_target_reset,
196 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
197 .eh_host_reset_handler = qla2xxx_eh_host_reset,
198
199 .slave_configure = qla2xxx_slave_configure,
200
201 .slave_alloc = qla2xxx_slave_alloc,
202 .slave_destroy = qla2xxx_slave_destroy,
203 .scan_finished = qla2xxx_scan_finished,
204 .scan_start = qla2xxx_scan_start,
205 .change_queue_depth = qla2x00_change_queue_depth,
206 .change_queue_type = qla2x00_change_queue_type,
207 .this_id = -1,
208 .cmd_per_lun = 3,
209 .use_clustering = ENABLE_CLUSTERING,
210 .sg_tablesize = SG_ALL,
211
212 .max_sectors = 0xFFFF,
213 .shost_attrs = qla2x00_host_attrs,
214 };
215
216 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
217 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
218
219 /* TODO Convert to inlines
220 *
221 * Timer routines
222 */
223
224 __inline__ void
225 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
226 {
227 init_timer(&vha->timer);
228 vha->timer.expires = jiffies + interval * HZ;
229 vha->timer.data = (unsigned long)vha;
230 vha->timer.function = (void (*)(unsigned long))func;
231 add_timer(&vha->timer);
232 vha->timer_active = 1;
233 }
234
235 static inline void
236 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
237 {
238 /* Currently used for 82XX only. */
239 if (vha->device_flags & DFLG_DEV_FAILED)
240 return;
241
242 mod_timer(&vha->timer, jiffies + interval * HZ);
243 }
244
245 static __inline__ void
246 qla2x00_stop_timer(scsi_qla_host_t *vha)
247 {
248 del_timer_sync(&vha->timer);
249 vha->timer_active = 0;
250 }
251
252 static int qla2x00_do_dpc(void *data);
253
254 static void qla2x00_rst_aen(scsi_qla_host_t *);
255
256 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
257 struct req_que **, struct rsp_que **);
258 static void qla2x00_mem_free(struct qla_hw_data *);
259 static void qla2x00_sp_free_dma(srb_t *);
260
261 /* -------------------------------------------------------------------------- */
262 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
263 {
264 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
265 GFP_KERNEL);
266 if (!ha->req_q_map) {
267 qla_printk(KERN_WARNING, ha,
268 "Unable to allocate memory for request queue ptrs\n");
269 goto fail_req_map;
270 }
271
272 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
273 GFP_KERNEL);
274 if (!ha->rsp_q_map) {
275 qla_printk(KERN_WARNING, ha,
276 "Unable to allocate memory for response queue ptrs\n");
277 goto fail_rsp_map;
278 }
279 set_bit(0, ha->rsp_qid_map);
280 set_bit(0, ha->req_qid_map);
281 return 1;
282
283 fail_rsp_map:
284 kfree(ha->req_q_map);
285 ha->req_q_map = NULL;
286 fail_req_map:
287 return -ENOMEM;
288 }
289
290 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
291 {
292 if (req && req->ring)
293 dma_free_coherent(&ha->pdev->dev,
294 (req->length + 1) * sizeof(request_t),
295 req->ring, req->dma);
296
297 kfree(req);
298 req = NULL;
299 }
300
301 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
302 {
303 if (rsp && rsp->ring)
304 dma_free_coherent(&ha->pdev->dev,
305 (rsp->length + 1) * sizeof(response_t),
306 rsp->ring, rsp->dma);
307
308 kfree(rsp);
309 rsp = NULL;
310 }
311
312 static void qla2x00_free_queues(struct qla_hw_data *ha)
313 {
314 struct req_que *req;
315 struct rsp_que *rsp;
316 int cnt;
317
318 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
319 req = ha->req_q_map[cnt];
320 qla2x00_free_req_que(ha, req);
321 }
322 kfree(ha->req_q_map);
323 ha->req_q_map = NULL;
324
325 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
326 rsp = ha->rsp_q_map[cnt];
327 qla2x00_free_rsp_que(ha, rsp);
328 }
329 kfree(ha->rsp_q_map);
330 ha->rsp_q_map = NULL;
331 }
332
333 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
334 {
335 uint16_t options = 0;
336 int ques, req, ret;
337 struct qla_hw_data *ha = vha->hw;
338
339 if (!(ha->fw_attributes & BIT_6)) {
340 qla_printk(KERN_INFO, ha,
341 "Firmware is not multi-queue capable\n");
342 goto fail;
343 }
344 if (ql2xmultique_tag) {
345 /* create a request queue for IO */
346 options |= BIT_7;
347 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
348 QLA_DEFAULT_QUE_QOS);
349 if (!req) {
350 qla_printk(KERN_WARNING, ha,
351 "Can't create request queue\n");
352 goto fail;
353 }
354 ha->wq = create_workqueue("qla2xxx_wq");
355 vha->req = ha->req_q_map[req];
356 options |= BIT_1;
357 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
358 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
359 if (!ret) {
360 qla_printk(KERN_WARNING, ha,
361 "Response Queue create failed\n");
362 goto fail2;
363 }
364 }
365 ha->flags.cpu_affinity_enabled = 1;
366
367 DEBUG2(qla_printk(KERN_INFO, ha,
368 "CPU affinity mode enabled, no. of response"
369 " queues:%d, no. of request queues:%d\n",
370 ha->max_rsp_queues, ha->max_req_queues));
371 }
372 return 0;
373 fail2:
374 qla25xx_delete_queues(vha);
375 destroy_workqueue(ha->wq);
376 ha->wq = NULL;
377 fail:
378 ha->mqenable = 0;
379 kfree(ha->req_q_map);
380 kfree(ha->rsp_q_map);
381 ha->max_req_queues = ha->max_rsp_queues = 1;
382 return 1;
383 }
384
385 static char *
386 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
387 {
388 struct qla_hw_data *ha = vha->hw;
389 static char *pci_bus_modes[] = {
390 "33", "66", "100", "133",
391 };
392 uint16_t pci_bus;
393
394 strcpy(str, "PCI");
395 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
396 if (pci_bus) {
397 strcat(str, "-X (");
398 strcat(str, pci_bus_modes[pci_bus]);
399 } else {
400 pci_bus = (ha->pci_attr & BIT_8) >> 8;
401 strcat(str, " (");
402 strcat(str, pci_bus_modes[pci_bus]);
403 }
404 strcat(str, " MHz)");
405
406 return (str);
407 }
408
409 static char *
410 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
411 {
412 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
413 struct qla_hw_data *ha = vha->hw;
414 uint32_t pci_bus;
415 int pcie_reg;
416
417 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
418 if (pcie_reg) {
419 char lwstr[6];
420 uint16_t pcie_lstat, lspeed, lwidth;
421
422 pcie_reg += 0x12;
423 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
424 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
425 lwidth = (pcie_lstat &
426 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
427
428 strcpy(str, "PCIe (");
429 if (lspeed == 1)
430 strcat(str, "2.5GT/s ");
431 else if (lspeed == 2)
432 strcat(str, "5.0GT/s ");
433 else
434 strcat(str, "<unknown> ");
435 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
436 strcat(str, lwstr);
437
438 return str;
439 }
440
441 strcpy(str, "PCI");
442 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
443 if (pci_bus == 0 || pci_bus == 8) {
444 strcat(str, " (");
445 strcat(str, pci_bus_modes[pci_bus >> 3]);
446 } else {
447 strcat(str, "-X ");
448 if (pci_bus & BIT_2)
449 strcat(str, "Mode 2");
450 else
451 strcat(str, "Mode 1");
452 strcat(str, " (");
453 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
454 }
455 strcat(str, " MHz)");
456
457 return str;
458 }
459
460 static char *
461 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
462 {
463 char un_str[10];
464 struct qla_hw_data *ha = vha->hw;
465
466 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
467 ha->fw_minor_version,
468 ha->fw_subminor_version);
469
470 if (ha->fw_attributes & BIT_9) {
471 strcat(str, "FLX");
472 return (str);
473 }
474
475 switch (ha->fw_attributes & 0xFF) {
476 case 0x7:
477 strcat(str, "EF");
478 break;
479 case 0x17:
480 strcat(str, "TP");
481 break;
482 case 0x37:
483 strcat(str, "IP");
484 break;
485 case 0x77:
486 strcat(str, "VI");
487 break;
488 default:
489 sprintf(un_str, "(%x)", ha->fw_attributes);
490 strcat(str, un_str);
491 break;
492 }
493 if (ha->fw_attributes & 0x100)
494 strcat(str, "X");
495
496 return (str);
497 }
498
499 static char *
500 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
501 {
502 struct qla_hw_data *ha = vha->hw;
503
504 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
505 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
506 return str;
507 }
508
509 static inline srb_t *
510 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
511 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
512 {
513 srb_t *sp;
514 struct qla_hw_data *ha = vha->hw;
515
516 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
517 if (!sp)
518 return sp;
519
520 atomic_set(&sp->ref_count, 1);
521 sp->fcport = fcport;
522 sp->cmd = cmd;
523 sp->flags = 0;
524 CMD_SP(cmd) = (void *)sp;
525 cmd->scsi_done = done;
526 sp->ctx = NULL;
527
528 return sp;
529 }
530
531 static int
532 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
533 {
534 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
535 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
536 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
537 struct qla_hw_data *ha = vha->hw;
538 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
539 srb_t *sp;
540 int rval;
541
542 if (ha->flags.eeh_busy) {
543 if (ha->flags.pci_channel_io_perm_failure)
544 cmd->result = DID_NO_CONNECT << 16;
545 else
546 cmd->result = DID_REQUEUE << 16;
547 goto qc24_fail_command;
548 }
549
550 rval = fc_remote_port_chkready(rport);
551 if (rval) {
552 cmd->result = rval;
553 goto qc24_fail_command;
554 }
555
556 /* Close window on fcport/rport state-transitioning. */
557 if (fcport->drport)
558 goto qc24_target_busy;
559
560 if (!vha->flags.difdix_supported &&
561 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
562 DEBUG2(qla_printk(KERN_ERR, ha,
563 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
564 cmd->cmnd[0]));
565 cmd->result = DID_NO_CONNECT << 16;
566 goto qc24_fail_command;
567 }
568 if (atomic_read(&fcport->state) != FCS_ONLINE) {
569 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
570 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
571 cmd->result = DID_NO_CONNECT << 16;
572 goto qc24_fail_command;
573 }
574 goto qc24_target_busy;
575 }
576
577 spin_unlock_irq(vha->host->host_lock);
578
579 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
580 if (!sp)
581 goto qc24_host_busy_lock;
582
583 rval = ha->isp_ops->start_scsi(sp);
584 if (rval != QLA_SUCCESS)
585 goto qc24_host_busy_free_sp;
586
587 spin_lock_irq(vha->host->host_lock);
588
589 return 0;
590
591 qc24_host_busy_free_sp:
592 qla2x00_sp_free_dma(sp);
593 mempool_free(sp, ha->srb_mempool);
594
595 qc24_host_busy_lock:
596 spin_lock_irq(vha->host->host_lock);
597 return SCSI_MLQUEUE_HOST_BUSY;
598
599 qc24_target_busy:
600 return SCSI_MLQUEUE_TARGET_BUSY;
601
602 qc24_fail_command:
603 done(cmd);
604
605 return 0;
606 }
607
608
609 /*
610 * qla2x00_eh_wait_on_command
611 * Waits for the command to be returned by the Firmware for some
612 * max time.
613 *
614 * Input:
615 * cmd = Scsi Command to wait on.
616 *
617 * Return:
618 * Not Found : 0
619 * Found : 1
620 */
621 static int
622 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
623 {
624 #define ABORT_POLLING_PERIOD 1000
625 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
626 unsigned long wait_iter = ABORT_WAIT_ITER;
627 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
628 struct qla_hw_data *ha = vha->hw;
629 int ret = QLA_SUCCESS;
630
631 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
632 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
633 return ret;
634 }
635
636 while (CMD_SP(cmd) && wait_iter--) {
637 msleep(ABORT_POLLING_PERIOD);
638 }
639 if (CMD_SP(cmd))
640 ret = QLA_FUNCTION_FAILED;
641
642 return ret;
643 }
644
645 /*
646 * qla2x00_wait_for_hba_online
647 * Wait till the HBA is online after going through
648 * <= MAX_RETRIES_OF_ISP_ABORT or
649 * finally HBA is disabled ie marked offline
650 *
651 * Input:
652 * ha - pointer to host adapter structure
653 *
654 * Note:
655 * Does context switching-Release SPIN_LOCK
656 * (if any) before calling this routine.
657 *
658 * Return:
659 * Success (Adapter is online) : 0
660 * Failed (Adapter is offline/disabled) : 1
661 */
662 int
663 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
664 {
665 int return_status;
666 unsigned long wait_online;
667 struct qla_hw_data *ha = vha->hw;
668 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
669
670 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
671 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
672 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
673 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
674 ha->dpc_active) && time_before(jiffies, wait_online)) {
675
676 msleep(1000);
677 }
678 if (base_vha->flags.online)
679 return_status = QLA_SUCCESS;
680 else
681 return_status = QLA_FUNCTION_FAILED;
682
683 return (return_status);
684 }
685
686 /*
687 * qla2x00_wait_for_reset_ready
688 * Wait till the HBA is online after going through
689 * <= MAX_RETRIES_OF_ISP_ABORT or
690 * finally HBA is disabled ie marked offline or flash
691 * operations are in progress.
692 *
693 * Input:
694 * ha - pointer to host adapter structure
695 *
696 * Note:
697 * Does context switching-Release SPIN_LOCK
698 * (if any) before calling this routine.
699 *
700 * Return:
701 * Success (Adapter is online/no flash ops) : 0
702 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
703 */
704 int
705 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
706 {
707 int return_status;
708 unsigned long wait_online;
709 struct qla_hw_data *ha = vha->hw;
710 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
711
712 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
713 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
714 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
715 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
716 ha->optrom_state != QLA_SWAITING ||
717 ha->dpc_active) && time_before(jiffies, wait_online))
718 msleep(1000);
719
720 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
721 return_status = QLA_SUCCESS;
722 else
723 return_status = QLA_FUNCTION_FAILED;
724
725 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
726
727 return return_status;
728 }
729
730 int
731 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
732 {
733 int return_status;
734 unsigned long wait_reset;
735 struct qla_hw_data *ha = vha->hw;
736 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
737
738 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
739 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
740 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
741 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
742 ha->dpc_active) && time_before(jiffies, wait_reset)) {
743
744 msleep(1000);
745
746 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
747 ha->flags.chip_reset_done)
748 break;
749 }
750 if (ha->flags.chip_reset_done)
751 return_status = QLA_SUCCESS;
752 else
753 return_status = QLA_FUNCTION_FAILED;
754
755 return return_status;
756 }
757
758 /*
759 * qla2x00_wait_for_loop_ready
760 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
761 * to be in LOOP_READY state.
762 * Input:
763 * ha - pointer to host adapter structure
764 *
765 * Note:
766 * Does context switching-Release SPIN_LOCK
767 * (if any) before calling this routine.
768 *
769 *
770 * Return:
771 * Success (LOOP_READY) : 0
772 * Failed (LOOP_NOT_READY) : 1
773 */
774 static inline int
775 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
776 {
777 int return_status = QLA_SUCCESS;
778 unsigned long loop_timeout ;
779 struct qla_hw_data *ha = vha->hw;
780 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
781
782 /* wait for 5 min at the max for loop to be ready */
783 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
784
785 while ((!atomic_read(&base_vha->loop_down_timer) &&
786 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
787 atomic_read(&base_vha->loop_state) != LOOP_READY) {
788 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
789 return_status = QLA_FUNCTION_FAILED;
790 break;
791 }
792 msleep(1000);
793 if (time_after_eq(jiffies, loop_timeout)) {
794 return_status = QLA_FUNCTION_FAILED;
795 break;
796 }
797 }
798 return (return_status);
799 }
800
801 static void
802 sp_get(struct srb *sp)
803 {
804 atomic_inc(&sp->ref_count);
805 }
806
807 /**************************************************************************
808 * qla2xxx_eh_abort
809 *
810 * Description:
811 * The abort function will abort the specified command.
812 *
813 * Input:
814 * cmd = Linux SCSI command packet to be aborted.
815 *
816 * Returns:
817 * Either SUCCESS or FAILED.
818 *
819 * Note:
820 * Only return FAILED if command not returned by firmware.
821 **************************************************************************/
822 static int
823 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
824 {
825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
826 srb_t *sp;
827 int ret, i;
828 unsigned int id, lun;
829 unsigned long serial;
830 unsigned long flags;
831 int wait = 0;
832 struct qla_hw_data *ha = vha->hw;
833 struct req_que *req = vha->req;
834 srb_t *spt;
835 int got_ref = 0;
836
837 fc_block_scsi_eh(cmd);
838
839 if (!CMD_SP(cmd))
840 return SUCCESS;
841
842 ret = SUCCESS;
843
844 id = cmd->device->id;
845 lun = cmd->device->lun;
846 serial = cmd->serial_number;
847 spt = (srb_t *) CMD_SP(cmd);
848 if (!spt)
849 return SUCCESS;
850
851 /* Check active list for command command. */
852 spin_lock_irqsave(&ha->hardware_lock, flags);
853 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
854 sp = req->outstanding_cmds[i];
855
856 if (sp == NULL)
857 continue;
858 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
859 !IS_PROT_IO(sp))
860 continue;
861 if (sp->cmd != cmd)
862 continue;
863
864 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
865 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
866
867 /* Get a reference to the sp and drop the lock.*/
868 sp_get(sp);
869 got_ref++;
870
871 spin_unlock_irqrestore(&ha->hardware_lock, flags);
872 if (ha->isp_ops->abort_command(sp)) {
873 DEBUG2(printk("%s(%ld): abort_command "
874 "mbx failed.\n", __func__, vha->host_no));
875 ret = FAILED;
876 } else {
877 DEBUG3(printk("%s(%ld): abort_command "
878 "mbx success.\n", __func__, vha->host_no));
879 wait = 1;
880 }
881 spin_lock_irqsave(&ha->hardware_lock, flags);
882 break;
883 }
884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
885
886 /* Wait for the command to be returned. */
887 if (wait) {
888 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
889 qla_printk(KERN_ERR, ha,
890 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
891 "%x.\n", vha->host_no, id, lun, serial, ret);
892 ret = FAILED;
893 }
894 }
895
896 if (got_ref)
897 qla2x00_sp_compl(ha, sp);
898
899 qla_printk(KERN_INFO, ha,
900 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
901 vha->host_no, id, lun, wait, serial, ret);
902
903 return ret;
904 }
905
906 enum nexus_wait_type {
907 WAIT_HOST = 0,
908 WAIT_TARGET,
909 WAIT_LUN,
910 };
911
912 static int
913 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
914 unsigned int l, srb_t *sp, enum nexus_wait_type type)
915 {
916 int cnt, match, status;
917 unsigned long flags;
918 struct qla_hw_data *ha = vha->hw;
919 struct req_que *req;
920
921 status = QLA_SUCCESS;
922 if (!sp)
923 return status;
924
925 spin_lock_irqsave(&ha->hardware_lock, flags);
926 req = vha->req;
927 for (cnt = 1; status == QLA_SUCCESS &&
928 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
929 sp = req->outstanding_cmds[cnt];
930 if (!sp)
931 continue;
932 if ((sp->ctx) && !IS_PROT_IO(sp))
933 continue;
934 if (vha->vp_idx != sp->fcport->vha->vp_idx)
935 continue;
936 match = 0;
937 switch (type) {
938 case WAIT_HOST:
939 match = 1;
940 break;
941 case WAIT_TARGET:
942 match = sp->cmd->device->id == t;
943 break;
944 case WAIT_LUN:
945 match = (sp->cmd->device->id == t &&
946 sp->cmd->device->lun == l);
947 break;
948 }
949 if (!match)
950 continue;
951
952 spin_unlock_irqrestore(&ha->hardware_lock, flags);
953 status = qla2x00_eh_wait_on_command(sp->cmd);
954 spin_lock_irqsave(&ha->hardware_lock, flags);
955 }
956 spin_unlock_irqrestore(&ha->hardware_lock, flags);
957
958 return status;
959 }
960
961 void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha)
962 {
963 int cnt;
964 srb_t *sp;
965 struct req_que *req = vha->req;
966
967 DEBUG2(qla_printk(KERN_INFO, vha->hw,
968 "Waiting for pending commands\n"));
969 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
970 sp = req->outstanding_cmds[cnt];
971 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
972 sp, WAIT_HOST) == QLA_SUCCESS) {
973 DEBUG2(qla_printk(KERN_INFO, vha->hw,
974 "Done wait for pending commands\n"));
975 }
976 }
977 }
978
979 static char *reset_errors[] = {
980 "HBA not online",
981 "HBA not ready",
982 "Task management failed",
983 "Waiting for command completions",
984 };
985
986 static int
987 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
988 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
989 {
990 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
991 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
992 int err;
993
994 fc_block_scsi_eh(cmd);
995
996 if (!fcport)
997 return FAILED;
998
999 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
1000 vha->host_no, cmd->device->id, cmd->device->lun, name);
1001
1002 err = 0;
1003 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1004 goto eh_reset_failed;
1005 err = 1;
1006 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
1007 goto eh_reset_failed;
1008 err = 2;
1009 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1010 != QLA_SUCCESS)
1011 goto eh_reset_failed;
1012 err = 3;
1013 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1014 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
1015 goto eh_reset_failed;
1016
1017 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
1018 vha->host_no, cmd->device->id, cmd->device->lun, name);
1019
1020 return SUCCESS;
1021
1022 eh_reset_failed:
1023 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1024 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1025 reset_errors[err]);
1026 return FAILED;
1027 }
1028
1029 static int
1030 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1031 {
1032 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033 struct qla_hw_data *ha = vha->hw;
1034
1035 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1036 ha->isp_ops->lun_reset);
1037 }
1038
1039 static int
1040 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1041 {
1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 struct qla_hw_data *ha = vha->hw;
1044
1045 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1046 ha->isp_ops->target_reset);
1047 }
1048
1049 /**************************************************************************
1050 * qla2xxx_eh_bus_reset
1051 *
1052 * Description:
1053 * The bus reset function will reset the bus and abort any executing
1054 * commands.
1055 *
1056 * Input:
1057 * cmd = Linux SCSI command packet of the command that cause the
1058 * bus reset.
1059 *
1060 * Returns:
1061 * SUCCESS/FAILURE (defined as macro in scsi.h).
1062 *
1063 **************************************************************************/
1064 static int
1065 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1066 {
1067 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1068 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1069 int ret = FAILED;
1070 unsigned int id, lun;
1071 unsigned long serial;
1072 srb_t *sp = (srb_t *) CMD_SP(cmd);
1073
1074 fc_block_scsi_eh(cmd);
1075
1076 id = cmd->device->id;
1077 lun = cmd->device->lun;
1078 serial = cmd->serial_number;
1079
1080 if (!fcport)
1081 return ret;
1082
1083 qla_printk(KERN_INFO, vha->hw,
1084 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1085
1086 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1087 DEBUG2(printk("%s failed:board disabled\n",__func__));
1088 goto eh_bus_reset_done;
1089 }
1090
1091 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1092 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1093 ret = SUCCESS;
1094 }
1095 if (ret == FAILED)
1096 goto eh_bus_reset_done;
1097
1098 /* Flush outstanding commands. */
1099 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
1100 QLA_SUCCESS)
1101 ret = FAILED;
1102
1103 eh_bus_reset_done:
1104 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1105 (ret == FAILED) ? "failed" : "succeded");
1106
1107 return ret;
1108 }
1109
1110 /**************************************************************************
1111 * qla2xxx_eh_host_reset
1112 *
1113 * Description:
1114 * The reset function will reset the Adapter.
1115 *
1116 * Input:
1117 * cmd = Linux SCSI command packet of the command that cause the
1118 * adapter reset.
1119 *
1120 * Returns:
1121 * Either SUCCESS or FAILED.
1122 *
1123 * Note:
1124 **************************************************************************/
1125 static int
1126 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1127 {
1128 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1129 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1130 struct qla_hw_data *ha = vha->hw;
1131 int ret = FAILED;
1132 unsigned int id, lun;
1133 unsigned long serial;
1134 srb_t *sp = (srb_t *) CMD_SP(cmd);
1135 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1136
1137 fc_block_scsi_eh(cmd);
1138
1139 id = cmd->device->id;
1140 lun = cmd->device->lun;
1141 serial = cmd->serial_number;
1142
1143 if (!fcport)
1144 return ret;
1145
1146 qla_printk(KERN_INFO, ha,
1147 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1148
1149 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1150 goto eh_host_reset_lock;
1151
1152 /*
1153 * Fixme-may be dpc thread is active and processing
1154 * loop_resync,so wait a while for it to
1155 * be completed and then issue big hammer.Otherwise
1156 * it may cause I/O failure as big hammer marks the
1157 * devices as lost kicking of the port_down_timer
1158 * while dpc is stuck for the mailbox to complete.
1159 */
1160 qla2x00_wait_for_loop_ready(vha);
1161 if (vha != base_vha) {
1162 if (qla2x00_vp_abort_isp(vha))
1163 goto eh_host_reset_lock;
1164 } else {
1165 if (IS_QLA82XX(vha->hw)) {
1166 if (!qla82xx_fcoe_ctx_reset(vha)) {
1167 /* Ctx reset success */
1168 ret = SUCCESS;
1169 goto eh_host_reset_lock;
1170 }
1171 /* fall thru if ctx reset failed */
1172 }
1173 if (ha->wq)
1174 flush_workqueue(ha->wq);
1175
1176 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1177 if (ha->isp_ops->abort_isp(base_vha)) {
1178 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1179 /* failed. schedule dpc to try */
1180 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1181
1182 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1183 goto eh_host_reset_lock;
1184 }
1185 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1186 }
1187
1188 /* Waiting for command to be returned to OS.*/
1189 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
1190 QLA_SUCCESS)
1191 ret = SUCCESS;
1192
1193 eh_host_reset_lock:
1194 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1195 (ret == FAILED) ? "failed" : "succeded");
1196
1197 return ret;
1198 }
1199
1200 /*
1201 * qla2x00_loop_reset
1202 * Issue loop reset.
1203 *
1204 * Input:
1205 * ha = adapter block pointer.
1206 *
1207 * Returns:
1208 * 0 = success
1209 */
1210 int
1211 qla2x00_loop_reset(scsi_qla_host_t *vha)
1212 {
1213 int ret;
1214 struct fc_port *fcport;
1215 struct qla_hw_data *ha = vha->hw;
1216
1217 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1218 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1219 if (fcport->port_type != FCT_TARGET)
1220 continue;
1221
1222 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1223 if (ret != QLA_SUCCESS) {
1224 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1225 "target_reset=%d d_id=%x.\n", __func__,
1226 vha->host_no, ret, fcport->d_id.b24));
1227 }
1228 }
1229 }
1230
1231 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1232 ret = qla2x00_full_login_lip(vha);
1233 if (ret != QLA_SUCCESS) {
1234 DEBUG2_3(printk("%s(%ld): failed: "
1235 "full_login_lip=%d.\n", __func__, vha->host_no,
1236 ret));
1237 }
1238 atomic_set(&vha->loop_state, LOOP_DOWN);
1239 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1240 qla2x00_mark_all_devices_lost(vha, 0);
1241 qla2x00_wait_for_loop_ready(vha);
1242 }
1243
1244 if (ha->flags.enable_lip_reset) {
1245 ret = qla2x00_lip_reset(vha);
1246 if (ret != QLA_SUCCESS) {
1247 DEBUG2_3(printk("%s(%ld): failed: "
1248 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1249 } else
1250 qla2x00_wait_for_loop_ready(vha);
1251 }
1252
1253 /* Issue marker command only when we are going to start the I/O */
1254 vha->marker_needed = 1;
1255
1256 return QLA_SUCCESS;
1257 }
1258
1259 void
1260 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1261 {
1262 int que, cnt;
1263 unsigned long flags;
1264 srb_t *sp;
1265 struct srb_ctx *ctx;
1266 struct qla_hw_data *ha = vha->hw;
1267 struct req_que *req;
1268
1269 spin_lock_irqsave(&ha->hardware_lock, flags);
1270 for (que = 0; que < ha->max_req_queues; que++) {
1271 req = ha->req_q_map[que];
1272 if (!req)
1273 continue;
1274 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1275 sp = req->outstanding_cmds[cnt];
1276 if (sp) {
1277 req->outstanding_cmds[cnt] = NULL;
1278 if (!sp->ctx ||
1279 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1280 IS_PROT_IO(sp)) {
1281 sp->cmd->result = res;
1282 qla2x00_sp_compl(ha, sp);
1283 } else {
1284 ctx = sp->ctx;
1285 if (ctx->type == SRB_LOGIN_CMD ||
1286 ctx->type == SRB_LOGOUT_CMD) {
1287 ctx->u.iocb_cmd->free(sp);
1288 } else {
1289 struct fc_bsg_job *bsg_job =
1290 ctx->u.bsg_job;
1291 if (bsg_job->request->msgcode
1292 == FC_BSG_HST_CT)
1293 kfree(sp->fcport);
1294 bsg_job->req->errors = 0;
1295 bsg_job->reply->result = res;
1296 bsg_job->job_done(bsg_job);
1297 kfree(sp->ctx);
1298 mempool_free(sp,
1299 ha->srb_mempool);
1300 }
1301 }
1302 }
1303 }
1304 }
1305 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1306 }
1307
1308 static int
1309 qla2xxx_slave_alloc(struct scsi_device *sdev)
1310 {
1311 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1312
1313 if (!rport || fc_remote_port_chkready(rport))
1314 return -ENXIO;
1315
1316 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1317
1318 return 0;
1319 }
1320
1321 static int
1322 qla2xxx_slave_configure(struct scsi_device *sdev)
1323 {
1324 scsi_qla_host_t *vha = shost_priv(sdev->host);
1325 struct qla_hw_data *ha = vha->hw;
1326 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1327 struct req_que *req = vha->req;
1328
1329 if (sdev->tagged_supported)
1330 scsi_activate_tcq(sdev, req->max_q_depth);
1331 else
1332 scsi_deactivate_tcq(sdev, req->max_q_depth);
1333
1334 rport->dev_loss_tmo = ha->port_down_retry_count;
1335
1336 return 0;
1337 }
1338
1339 static void
1340 qla2xxx_slave_destroy(struct scsi_device *sdev)
1341 {
1342 sdev->hostdata = NULL;
1343 }
1344
1345 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1346 {
1347 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1348
1349 if (!scsi_track_queue_full(sdev, qdepth))
1350 return;
1351
1352 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1353 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1354 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1355 sdev->queue_depth));
1356 }
1357
1358 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1359 {
1360 fc_port_t *fcport = sdev->hostdata;
1361 struct scsi_qla_host *vha = fcport->vha;
1362 struct qla_hw_data *ha = vha->hw;
1363 struct req_que *req = NULL;
1364
1365 req = vha->req;
1366 if (!req)
1367 return;
1368
1369 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1370 return;
1371
1372 if (sdev->ordered_tags)
1373 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1374 else
1375 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1376
1377 DEBUG2(qla_printk(KERN_INFO, ha,
1378 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1379 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1380 sdev->queue_depth));
1381 }
1382
1383 static int
1384 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1385 {
1386 switch (reason) {
1387 case SCSI_QDEPTH_DEFAULT:
1388 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1389 break;
1390 case SCSI_QDEPTH_QFULL:
1391 qla2x00_handle_queue_full(sdev, qdepth);
1392 break;
1393 case SCSI_QDEPTH_RAMP_UP:
1394 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1395 break;
1396 default:
1397 return -EOPNOTSUPP;
1398 }
1399
1400 return sdev->queue_depth;
1401 }
1402
1403 static int
1404 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1405 {
1406 if (sdev->tagged_supported) {
1407 scsi_set_tag_type(sdev, tag_type);
1408 if (tag_type)
1409 scsi_activate_tcq(sdev, sdev->queue_depth);
1410 else
1411 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1412 } else
1413 tag_type = 0;
1414
1415 return tag_type;
1416 }
1417
1418 /**
1419 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1420 * @ha: HA context
1421 *
1422 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1423 * supported addressing method.
1424 */
1425 static void
1426 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1427 {
1428 /* Assume a 32bit DMA mask. */
1429 ha->flags.enable_64bit_addressing = 0;
1430
1431 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1432 /* Any upper-dword bits set? */
1433 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1434 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1435 /* Ok, a 64bit DMA mask is applicable. */
1436 ha->flags.enable_64bit_addressing = 1;
1437 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1438 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1439 return;
1440 }
1441 }
1442
1443 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1444 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1445 }
1446
1447 static void
1448 qla2x00_enable_intrs(struct qla_hw_data *ha)
1449 {
1450 unsigned long flags = 0;
1451 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1452
1453 spin_lock_irqsave(&ha->hardware_lock, flags);
1454 ha->interrupts_on = 1;
1455 /* enable risc and host interrupts */
1456 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1457 RD_REG_WORD(&reg->ictrl);
1458 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1459
1460 }
1461
1462 static void
1463 qla2x00_disable_intrs(struct qla_hw_data *ha)
1464 {
1465 unsigned long flags = 0;
1466 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1467
1468 spin_lock_irqsave(&ha->hardware_lock, flags);
1469 ha->interrupts_on = 0;
1470 /* disable risc and host interrupts */
1471 WRT_REG_WORD(&reg->ictrl, 0);
1472 RD_REG_WORD(&reg->ictrl);
1473 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1474 }
1475
1476 static void
1477 qla24xx_enable_intrs(struct qla_hw_data *ha)
1478 {
1479 unsigned long flags = 0;
1480 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1481
1482 spin_lock_irqsave(&ha->hardware_lock, flags);
1483 ha->interrupts_on = 1;
1484 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1485 RD_REG_DWORD(&reg->ictrl);
1486 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1487 }
1488
1489 static void
1490 qla24xx_disable_intrs(struct qla_hw_data *ha)
1491 {
1492 unsigned long flags = 0;
1493 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1494
1495 if (IS_NOPOLLING_TYPE(ha))
1496 return;
1497 spin_lock_irqsave(&ha->hardware_lock, flags);
1498 ha->interrupts_on = 0;
1499 WRT_REG_DWORD(&reg->ictrl, 0);
1500 RD_REG_DWORD(&reg->ictrl);
1501 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1502 }
1503
1504 static struct isp_operations qla2100_isp_ops = {
1505 .pci_config = qla2100_pci_config,
1506 .reset_chip = qla2x00_reset_chip,
1507 .chip_diag = qla2x00_chip_diag,
1508 .config_rings = qla2x00_config_rings,
1509 .reset_adapter = qla2x00_reset_adapter,
1510 .nvram_config = qla2x00_nvram_config,
1511 .update_fw_options = qla2x00_update_fw_options,
1512 .load_risc = qla2x00_load_risc,
1513 .pci_info_str = qla2x00_pci_info_str,
1514 .fw_version_str = qla2x00_fw_version_str,
1515 .intr_handler = qla2100_intr_handler,
1516 .enable_intrs = qla2x00_enable_intrs,
1517 .disable_intrs = qla2x00_disable_intrs,
1518 .abort_command = qla2x00_abort_command,
1519 .target_reset = qla2x00_abort_target,
1520 .lun_reset = qla2x00_lun_reset,
1521 .fabric_login = qla2x00_login_fabric,
1522 .fabric_logout = qla2x00_fabric_logout,
1523 .calc_req_entries = qla2x00_calc_iocbs_32,
1524 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1525 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1526 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1527 .read_nvram = qla2x00_read_nvram_data,
1528 .write_nvram = qla2x00_write_nvram_data,
1529 .fw_dump = qla2100_fw_dump,
1530 .beacon_on = NULL,
1531 .beacon_off = NULL,
1532 .beacon_blink = NULL,
1533 .read_optrom = qla2x00_read_optrom_data,
1534 .write_optrom = qla2x00_write_optrom_data,
1535 .get_flash_version = qla2x00_get_flash_version,
1536 .start_scsi = qla2x00_start_scsi,
1537 .abort_isp = qla2x00_abort_isp,
1538 };
1539
1540 static struct isp_operations qla2300_isp_ops = {
1541 .pci_config = qla2300_pci_config,
1542 .reset_chip = qla2x00_reset_chip,
1543 .chip_diag = qla2x00_chip_diag,
1544 .config_rings = qla2x00_config_rings,
1545 .reset_adapter = qla2x00_reset_adapter,
1546 .nvram_config = qla2x00_nvram_config,
1547 .update_fw_options = qla2x00_update_fw_options,
1548 .load_risc = qla2x00_load_risc,
1549 .pci_info_str = qla2x00_pci_info_str,
1550 .fw_version_str = qla2x00_fw_version_str,
1551 .intr_handler = qla2300_intr_handler,
1552 .enable_intrs = qla2x00_enable_intrs,
1553 .disable_intrs = qla2x00_disable_intrs,
1554 .abort_command = qla2x00_abort_command,
1555 .target_reset = qla2x00_abort_target,
1556 .lun_reset = qla2x00_lun_reset,
1557 .fabric_login = qla2x00_login_fabric,
1558 .fabric_logout = qla2x00_fabric_logout,
1559 .calc_req_entries = qla2x00_calc_iocbs_32,
1560 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1561 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1562 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1563 .read_nvram = qla2x00_read_nvram_data,
1564 .write_nvram = qla2x00_write_nvram_data,
1565 .fw_dump = qla2300_fw_dump,
1566 .beacon_on = qla2x00_beacon_on,
1567 .beacon_off = qla2x00_beacon_off,
1568 .beacon_blink = qla2x00_beacon_blink,
1569 .read_optrom = qla2x00_read_optrom_data,
1570 .write_optrom = qla2x00_write_optrom_data,
1571 .get_flash_version = qla2x00_get_flash_version,
1572 .start_scsi = qla2x00_start_scsi,
1573 .abort_isp = qla2x00_abort_isp,
1574 };
1575
1576 static struct isp_operations qla24xx_isp_ops = {
1577 .pci_config = qla24xx_pci_config,
1578 .reset_chip = qla24xx_reset_chip,
1579 .chip_diag = qla24xx_chip_diag,
1580 .config_rings = qla24xx_config_rings,
1581 .reset_adapter = qla24xx_reset_adapter,
1582 .nvram_config = qla24xx_nvram_config,
1583 .update_fw_options = qla24xx_update_fw_options,
1584 .load_risc = qla24xx_load_risc,
1585 .pci_info_str = qla24xx_pci_info_str,
1586 .fw_version_str = qla24xx_fw_version_str,
1587 .intr_handler = qla24xx_intr_handler,
1588 .enable_intrs = qla24xx_enable_intrs,
1589 .disable_intrs = qla24xx_disable_intrs,
1590 .abort_command = qla24xx_abort_command,
1591 .target_reset = qla24xx_abort_target,
1592 .lun_reset = qla24xx_lun_reset,
1593 .fabric_login = qla24xx_login_fabric,
1594 .fabric_logout = qla24xx_fabric_logout,
1595 .calc_req_entries = NULL,
1596 .build_iocbs = NULL,
1597 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1598 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1599 .read_nvram = qla24xx_read_nvram_data,
1600 .write_nvram = qla24xx_write_nvram_data,
1601 .fw_dump = qla24xx_fw_dump,
1602 .beacon_on = qla24xx_beacon_on,
1603 .beacon_off = qla24xx_beacon_off,
1604 .beacon_blink = qla24xx_beacon_blink,
1605 .read_optrom = qla24xx_read_optrom_data,
1606 .write_optrom = qla24xx_write_optrom_data,
1607 .get_flash_version = qla24xx_get_flash_version,
1608 .start_scsi = qla24xx_start_scsi,
1609 .abort_isp = qla2x00_abort_isp,
1610 };
1611
1612 static struct isp_operations qla25xx_isp_ops = {
1613 .pci_config = qla25xx_pci_config,
1614 .reset_chip = qla24xx_reset_chip,
1615 .chip_diag = qla24xx_chip_diag,
1616 .config_rings = qla24xx_config_rings,
1617 .reset_adapter = qla24xx_reset_adapter,
1618 .nvram_config = qla24xx_nvram_config,
1619 .update_fw_options = qla24xx_update_fw_options,
1620 .load_risc = qla24xx_load_risc,
1621 .pci_info_str = qla24xx_pci_info_str,
1622 .fw_version_str = qla24xx_fw_version_str,
1623 .intr_handler = qla24xx_intr_handler,
1624 .enable_intrs = qla24xx_enable_intrs,
1625 .disable_intrs = qla24xx_disable_intrs,
1626 .abort_command = qla24xx_abort_command,
1627 .target_reset = qla24xx_abort_target,
1628 .lun_reset = qla24xx_lun_reset,
1629 .fabric_login = qla24xx_login_fabric,
1630 .fabric_logout = qla24xx_fabric_logout,
1631 .calc_req_entries = NULL,
1632 .build_iocbs = NULL,
1633 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1634 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1635 .read_nvram = qla25xx_read_nvram_data,
1636 .write_nvram = qla25xx_write_nvram_data,
1637 .fw_dump = qla25xx_fw_dump,
1638 .beacon_on = qla24xx_beacon_on,
1639 .beacon_off = qla24xx_beacon_off,
1640 .beacon_blink = qla24xx_beacon_blink,
1641 .read_optrom = qla25xx_read_optrom_data,
1642 .write_optrom = qla24xx_write_optrom_data,
1643 .get_flash_version = qla24xx_get_flash_version,
1644 .start_scsi = qla24xx_dif_start_scsi,
1645 .abort_isp = qla2x00_abort_isp,
1646 };
1647
1648 static struct isp_operations qla81xx_isp_ops = {
1649 .pci_config = qla25xx_pci_config,
1650 .reset_chip = qla24xx_reset_chip,
1651 .chip_diag = qla24xx_chip_diag,
1652 .config_rings = qla24xx_config_rings,
1653 .reset_adapter = qla24xx_reset_adapter,
1654 .nvram_config = qla81xx_nvram_config,
1655 .update_fw_options = qla81xx_update_fw_options,
1656 .load_risc = qla81xx_load_risc,
1657 .pci_info_str = qla24xx_pci_info_str,
1658 .fw_version_str = qla24xx_fw_version_str,
1659 .intr_handler = qla24xx_intr_handler,
1660 .enable_intrs = qla24xx_enable_intrs,
1661 .disable_intrs = qla24xx_disable_intrs,
1662 .abort_command = qla24xx_abort_command,
1663 .target_reset = qla24xx_abort_target,
1664 .lun_reset = qla24xx_lun_reset,
1665 .fabric_login = qla24xx_login_fabric,
1666 .fabric_logout = qla24xx_fabric_logout,
1667 .calc_req_entries = NULL,
1668 .build_iocbs = NULL,
1669 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1670 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1671 .read_nvram = NULL,
1672 .write_nvram = NULL,
1673 .fw_dump = qla81xx_fw_dump,
1674 .beacon_on = qla24xx_beacon_on,
1675 .beacon_off = qla24xx_beacon_off,
1676 .beacon_blink = qla24xx_beacon_blink,
1677 .read_optrom = qla25xx_read_optrom_data,
1678 .write_optrom = qla24xx_write_optrom_data,
1679 .get_flash_version = qla24xx_get_flash_version,
1680 .start_scsi = qla24xx_dif_start_scsi,
1681 .abort_isp = qla2x00_abort_isp,
1682 };
1683
1684 static struct isp_operations qla82xx_isp_ops = {
1685 .pci_config = qla82xx_pci_config,
1686 .reset_chip = qla82xx_reset_chip,
1687 .chip_diag = qla24xx_chip_diag,
1688 .config_rings = qla82xx_config_rings,
1689 .reset_adapter = qla24xx_reset_adapter,
1690 .nvram_config = qla81xx_nvram_config,
1691 .update_fw_options = qla24xx_update_fw_options,
1692 .load_risc = qla82xx_load_risc,
1693 .pci_info_str = qla82xx_pci_info_str,
1694 .fw_version_str = qla24xx_fw_version_str,
1695 .intr_handler = qla82xx_intr_handler,
1696 .enable_intrs = qla82xx_enable_intrs,
1697 .disable_intrs = qla82xx_disable_intrs,
1698 .abort_command = qla24xx_abort_command,
1699 .target_reset = qla24xx_abort_target,
1700 .lun_reset = qla24xx_lun_reset,
1701 .fabric_login = qla24xx_login_fabric,
1702 .fabric_logout = qla24xx_fabric_logout,
1703 .calc_req_entries = NULL,
1704 .build_iocbs = NULL,
1705 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1706 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1707 .read_nvram = qla24xx_read_nvram_data,
1708 .write_nvram = qla24xx_write_nvram_data,
1709 .fw_dump = qla24xx_fw_dump,
1710 .beacon_on = qla24xx_beacon_on,
1711 .beacon_off = qla24xx_beacon_off,
1712 .beacon_blink = qla24xx_beacon_blink,
1713 .read_optrom = qla82xx_read_optrom_data,
1714 .write_optrom = qla82xx_write_optrom_data,
1715 .get_flash_version = qla24xx_get_flash_version,
1716 .start_scsi = qla82xx_start_scsi,
1717 .abort_isp = qla82xx_abort_isp,
1718 };
1719
1720 static inline void
1721 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1722 {
1723 ha->device_type = DT_EXTENDED_IDS;
1724 switch (ha->pdev->device) {
1725 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1726 ha->device_type |= DT_ISP2100;
1727 ha->device_type &= ~DT_EXTENDED_IDS;
1728 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1729 break;
1730 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1731 ha->device_type |= DT_ISP2200;
1732 ha->device_type &= ~DT_EXTENDED_IDS;
1733 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1734 break;
1735 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1736 ha->device_type |= DT_ISP2300;
1737 ha->device_type |= DT_ZIO_SUPPORTED;
1738 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1739 break;
1740 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1741 ha->device_type |= DT_ISP2312;
1742 ha->device_type |= DT_ZIO_SUPPORTED;
1743 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1744 break;
1745 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1746 ha->device_type |= DT_ISP2322;
1747 ha->device_type |= DT_ZIO_SUPPORTED;
1748 if (ha->pdev->subsystem_vendor == 0x1028 &&
1749 ha->pdev->subsystem_device == 0x0170)
1750 ha->device_type |= DT_OEM_001;
1751 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1752 break;
1753 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1754 ha->device_type |= DT_ISP6312;
1755 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1756 break;
1757 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1758 ha->device_type |= DT_ISP6322;
1759 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1760 break;
1761 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1762 ha->device_type |= DT_ISP2422;
1763 ha->device_type |= DT_ZIO_SUPPORTED;
1764 ha->device_type |= DT_FWI2;
1765 ha->device_type |= DT_IIDMA;
1766 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1767 break;
1768 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1769 ha->device_type |= DT_ISP2432;
1770 ha->device_type |= DT_ZIO_SUPPORTED;
1771 ha->device_type |= DT_FWI2;
1772 ha->device_type |= DT_IIDMA;
1773 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1774 break;
1775 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1776 ha->device_type |= DT_ISP8432;
1777 ha->device_type |= DT_ZIO_SUPPORTED;
1778 ha->device_type |= DT_FWI2;
1779 ha->device_type |= DT_IIDMA;
1780 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1781 break;
1782 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1783 ha->device_type |= DT_ISP5422;
1784 ha->device_type |= DT_FWI2;
1785 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1786 break;
1787 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1788 ha->device_type |= DT_ISP5432;
1789 ha->device_type |= DT_FWI2;
1790 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1791 break;
1792 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1793 ha->device_type |= DT_ISP2532;
1794 ha->device_type |= DT_ZIO_SUPPORTED;
1795 ha->device_type |= DT_FWI2;
1796 ha->device_type |= DT_IIDMA;
1797 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1798 break;
1799 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1800 ha->device_type |= DT_ISP8001;
1801 ha->device_type |= DT_ZIO_SUPPORTED;
1802 ha->device_type |= DT_FWI2;
1803 ha->device_type |= DT_IIDMA;
1804 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1805 break;
1806 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1807 ha->device_type |= DT_ISP8021;
1808 ha->device_type |= DT_ZIO_SUPPORTED;
1809 ha->device_type |= DT_FWI2;
1810 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1811 /* Initialize 82XX ISP flags */
1812 qla82xx_init_flags(ha);
1813 break;
1814 }
1815
1816 if (IS_QLA82XX(ha))
1817 ha->port_no = !(ha->portnum & 1);
1818 else
1819 /* Get adapter physical port no from interrupt pin register. */
1820 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1821
1822 if (ha->port_no & 1)
1823 ha->flags.port0 = 1;
1824 else
1825 ha->flags.port0 = 0;
1826 }
1827
1828 static int
1829 qla2x00_iospace_config(struct qla_hw_data *ha)
1830 {
1831 resource_size_t pio;
1832 uint16_t msix;
1833 int cpus;
1834
1835 if (IS_QLA82XX(ha))
1836 return qla82xx_iospace_config(ha);
1837
1838 if (pci_request_selected_regions(ha->pdev, ha->bars,
1839 QLA2XXX_DRIVER_NAME)) {
1840 qla_printk(KERN_WARNING, ha,
1841 "Failed to reserve PIO/MMIO regions (%s)\n",
1842 pci_name(ha->pdev));
1843
1844 goto iospace_error_exit;
1845 }
1846 if (!(ha->bars & 1))
1847 goto skip_pio;
1848
1849 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1850 pio = pci_resource_start(ha->pdev, 0);
1851 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1852 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1853 qla_printk(KERN_WARNING, ha,
1854 "Invalid PCI I/O region size (%s)...\n",
1855 pci_name(ha->pdev));
1856 pio = 0;
1857 }
1858 } else {
1859 qla_printk(KERN_WARNING, ha,
1860 "region #0 not a PIO resource (%s)...\n",
1861 pci_name(ha->pdev));
1862 pio = 0;
1863 }
1864 ha->pio_address = pio;
1865
1866 skip_pio:
1867 /* Use MMIO operations for all accesses. */
1868 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1869 qla_printk(KERN_ERR, ha,
1870 "region #1 not an MMIO resource (%s), aborting\n",
1871 pci_name(ha->pdev));
1872 goto iospace_error_exit;
1873 }
1874 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1875 qla_printk(KERN_ERR, ha,
1876 "Invalid PCI mem region size (%s), aborting\n",
1877 pci_name(ha->pdev));
1878 goto iospace_error_exit;
1879 }
1880
1881 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1882 if (!ha->iobase) {
1883 qla_printk(KERN_ERR, ha,
1884 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1885
1886 goto iospace_error_exit;
1887 }
1888
1889 /* Determine queue resources */
1890 ha->max_req_queues = ha->max_rsp_queues = 1;
1891 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1892 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1893 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1894 goto mqiobase_exit;
1895
1896 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1897 pci_resource_len(ha->pdev, 3));
1898 if (ha->mqiobase) {
1899 /* Read MSIX vector size of the board */
1900 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1901 ha->msix_count = msix;
1902 /* Max queues are bounded by available msix vectors */
1903 /* queue 0 uses two msix vectors */
1904 if (ql2xmultique_tag) {
1905 cpus = num_online_cpus();
1906 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1907 (cpus + 1) : (ha->msix_count - 1);
1908 ha->max_req_queues = 2;
1909 } else if (ql2xmaxqueues > 1) {
1910 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1911 QLA_MQ_SIZE : ql2xmaxqueues;
1912 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1913 " of request queues:%d\n", ha->max_req_queues));
1914 }
1915 qla_printk(KERN_INFO, ha,
1916 "MSI-X vector count: %d\n", msix);
1917 } else
1918 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1919
1920 mqiobase_exit:
1921 ha->msix_count = ha->max_rsp_queues + 1;
1922 return (0);
1923
1924 iospace_error_exit:
1925 return (-ENOMEM);
1926 }
1927
1928 static void
1929 qla2xxx_scan_start(struct Scsi_Host *shost)
1930 {
1931 scsi_qla_host_t *vha = shost_priv(shost);
1932
1933 if (vha->hw->flags.running_gold_fw)
1934 return;
1935
1936 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1937 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1938 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1939 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1940 }
1941
1942 static int
1943 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1944 {
1945 scsi_qla_host_t *vha = shost_priv(shost);
1946
1947 if (!vha->host)
1948 return 1;
1949 if (time > vha->hw->loop_reset_delay * HZ)
1950 return 1;
1951
1952 return atomic_read(&vha->loop_state) == LOOP_READY;
1953 }
1954
1955 /*
1956 * PCI driver interface
1957 */
1958 static int __devinit
1959 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1960 {
1961 int ret = -ENODEV;
1962 struct Scsi_Host *host;
1963 scsi_qla_host_t *base_vha = NULL;
1964 struct qla_hw_data *ha;
1965 char pci_info[30];
1966 char fw_str[30];
1967 struct scsi_host_template *sht;
1968 int bars, max_id, mem_only = 0;
1969 uint16_t req_length = 0, rsp_length = 0;
1970 struct req_que *req = NULL;
1971 struct rsp_que *rsp = NULL;
1972
1973 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1974 sht = &qla2xxx_driver_template;
1975 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1976 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1977 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1978 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1979 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1980 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1981 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1982 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1983 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1984 mem_only = 1;
1985 }
1986
1987 if (mem_only) {
1988 if (pci_enable_device_mem(pdev))
1989 goto probe_out;
1990 } else {
1991 if (pci_enable_device(pdev))
1992 goto probe_out;
1993 }
1994
1995 /* This may fail but that's ok */
1996 pci_enable_pcie_error_reporting(pdev);
1997
1998 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1999 if (!ha) {
2000 DEBUG(printk("Unable to allocate memory for ha\n"));
2001 goto probe_out;
2002 }
2003 ha->pdev = pdev;
2004
2005 /* Clear our data area */
2006 ha->bars = bars;
2007 ha->mem_only = mem_only;
2008 spin_lock_init(&ha->hardware_lock);
2009
2010 /* Set ISP-type information. */
2011 qla2x00_set_isp_flags(ha);
2012
2013 /* Set EEH reset type to fundamental if required by hba */
2014 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2015 pdev->needs_freset = 1;
2016 }
2017
2018 /* Configure PCI I/O space */
2019 ret = qla2x00_iospace_config(ha);
2020 if (ret)
2021 goto probe_hw_failed;
2022
2023 qla_printk(KERN_INFO, ha,
2024 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
2025 ha->iobase);
2026
2027 ha->prev_topology = 0;
2028 ha->init_cb_size = sizeof(init_cb_t);
2029 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2030 ha->optrom_size = OPTROM_SIZE_2300;
2031
2032 /* Assign ISP specific operations. */
2033 max_id = MAX_TARGETS_2200;
2034 if (IS_QLA2100(ha)) {
2035 max_id = MAX_TARGETS_2100;
2036 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2037 req_length = REQUEST_ENTRY_CNT_2100;
2038 rsp_length = RESPONSE_ENTRY_CNT_2100;
2039 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2040 ha->gid_list_info_size = 4;
2041 ha->flash_conf_off = ~0;
2042 ha->flash_data_off = ~0;
2043 ha->nvram_conf_off = ~0;
2044 ha->nvram_data_off = ~0;
2045 ha->isp_ops = &qla2100_isp_ops;
2046 } else if (IS_QLA2200(ha)) {
2047 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2048 req_length = REQUEST_ENTRY_CNT_2200;
2049 rsp_length = RESPONSE_ENTRY_CNT_2100;
2050 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2051 ha->gid_list_info_size = 4;
2052 ha->flash_conf_off = ~0;
2053 ha->flash_data_off = ~0;
2054 ha->nvram_conf_off = ~0;
2055 ha->nvram_data_off = ~0;
2056 ha->isp_ops = &qla2100_isp_ops;
2057 } else if (IS_QLA23XX(ha)) {
2058 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059 req_length = REQUEST_ENTRY_CNT_2200;
2060 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062 ha->gid_list_info_size = 6;
2063 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2064 ha->optrom_size = OPTROM_SIZE_2322;
2065 ha->flash_conf_off = ~0;
2066 ha->flash_data_off = ~0;
2067 ha->nvram_conf_off = ~0;
2068 ha->nvram_data_off = ~0;
2069 ha->isp_ops = &qla2300_isp_ops;
2070 } else if (IS_QLA24XX_TYPE(ha)) {
2071 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2072 req_length = REQUEST_ENTRY_CNT_24XX;
2073 rsp_length = RESPONSE_ENTRY_CNT_2300;
2074 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2075 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2076 ha->gid_list_info_size = 8;
2077 ha->optrom_size = OPTROM_SIZE_24XX;
2078 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2079 ha->isp_ops = &qla24xx_isp_ops;
2080 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2081 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2082 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2083 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2084 } else if (IS_QLA25XX(ha)) {
2085 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2086 req_length = REQUEST_ENTRY_CNT_24XX;
2087 rsp_length = RESPONSE_ENTRY_CNT_2300;
2088 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2089 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2090 ha->gid_list_info_size = 8;
2091 ha->optrom_size = OPTROM_SIZE_25XX;
2092 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2093 ha->isp_ops = &qla25xx_isp_ops;
2094 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2095 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2096 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2097 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2098 } else if (IS_QLA81XX(ha)) {
2099 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2100 req_length = REQUEST_ENTRY_CNT_24XX;
2101 rsp_length = RESPONSE_ENTRY_CNT_2300;
2102 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2103 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2104 ha->gid_list_info_size = 8;
2105 ha->optrom_size = OPTROM_SIZE_81XX;
2106 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2107 ha->isp_ops = &qla81xx_isp_ops;
2108 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2109 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2110 ha->nvram_conf_off = ~0;
2111 ha->nvram_data_off = ~0;
2112 } else if (IS_QLA82XX(ha)) {
2113 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2114 req_length = REQUEST_ENTRY_CNT_82XX;
2115 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2116 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2117 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2118 ha->gid_list_info_size = 8;
2119 ha->optrom_size = OPTROM_SIZE_82XX;
2120 ha->isp_ops = &qla82xx_isp_ops;
2121 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2122 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2123 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2124 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2125 }
2126
2127 mutex_init(&ha->vport_lock);
2128 init_completion(&ha->mbx_cmd_comp);
2129 complete(&ha->mbx_cmd_comp);
2130 init_completion(&ha->mbx_intr_comp);
2131 init_completion(&ha->dcbx_comp);
2132
2133 set_bit(0, (unsigned long *) ha->vp_idx_map);
2134
2135 qla2x00_config_dma_addressing(ha);
2136 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2137 if (!ret) {
2138 qla_printk(KERN_WARNING, ha,
2139 "[ERROR] Failed to allocate memory for adapter\n");
2140
2141 goto probe_hw_failed;
2142 }
2143
2144 req->max_q_depth = MAX_Q_DEPTH;
2145 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2146 req->max_q_depth = ql2xmaxqdepth;
2147
2148
2149 base_vha = qla2x00_create_host(sht, ha);
2150 if (!base_vha) {
2151 qla_printk(KERN_WARNING, ha,
2152 "[ERROR] Failed to allocate memory for scsi_host\n");
2153
2154 ret = -ENOMEM;
2155 qla2x00_mem_free(ha);
2156 qla2x00_free_req_que(ha, req);
2157 qla2x00_free_rsp_que(ha, rsp);
2158 goto probe_hw_failed;
2159 }
2160
2161 pci_set_drvdata(pdev, base_vha);
2162
2163 host = base_vha->host;
2164 base_vha->req = req;
2165 host->can_queue = req->length + 128;
2166 if (IS_QLA2XXX_MIDTYPE(ha))
2167 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2168 else
2169 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2170 base_vha->vp_idx;
2171 if (IS_QLA2100(ha))
2172 host->sg_tablesize = 32;
2173 host->max_id = max_id;
2174 host->this_id = 255;
2175 host->cmd_per_lun = 3;
2176 host->unique_id = host->host_no;
2177 host->max_cmd_len = MAX_CMDSZ;
2178 host->max_channel = MAX_BUSES - 1;
2179 host->max_lun = MAX_LUNS;
2180 host->transportt = qla2xxx_transport_template;
2181 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2182
2183 /* Set up the irqs */
2184 ret = qla2x00_request_irqs(ha, rsp);
2185 if (ret)
2186 goto probe_init_failed;
2187
2188 pci_save_state(pdev);
2189
2190 /* Alloc arrays of request and response ring ptrs */
2191 que_init:
2192 if (!qla2x00_alloc_queues(ha)) {
2193 qla_printk(KERN_WARNING, ha,
2194 "[ERROR] Failed to allocate memory for queue"
2195 " pointers\n");
2196 goto probe_init_failed;
2197 }
2198
2199 ha->rsp_q_map[0] = rsp;
2200 ha->req_q_map[0] = req;
2201 rsp->req = req;
2202 req->rsp = rsp;
2203 set_bit(0, ha->req_qid_map);
2204 set_bit(0, ha->rsp_qid_map);
2205 /* FWI2-capable only. */
2206 req->req_q_in = &ha->iobase->isp24.req_q_in;
2207 req->req_q_out = &ha->iobase->isp24.req_q_out;
2208 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2209 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2210 if (ha->mqenable) {
2211 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2212 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2213 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2214 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2215 }
2216
2217 if (IS_QLA82XX(ha)) {
2218 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2219 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2220 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2221 }
2222
2223 if (qla2x00_initialize_adapter(base_vha)) {
2224 qla_printk(KERN_WARNING, ha,
2225 "Failed to initialize adapter\n");
2226
2227 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2228 "Adapter flags %x.\n",
2229 base_vha->host_no, base_vha->device_flags));
2230
2231 if (IS_QLA82XX(ha)) {
2232 qla82xx_idc_lock(ha);
2233 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2234 QLA82XX_DEV_FAILED);
2235 qla82xx_idc_unlock(ha);
2236 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2237 }
2238
2239 ret = -ENODEV;
2240 goto probe_failed;
2241 }
2242
2243 if (ha->mqenable) {
2244 if (qla25xx_setup_mode(base_vha)) {
2245 qla_printk(KERN_WARNING, ha,
2246 "Can't create queues, falling back to single"
2247 " queue mode\n");
2248 goto que_init;
2249 }
2250 }
2251
2252 if (ha->flags.running_gold_fw)
2253 goto skip_dpc;
2254
2255 /*
2256 * Startup the kernel thread for this host adapter
2257 */
2258 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2259 "%s_dpc", base_vha->host_str);
2260 if (IS_ERR(ha->dpc_thread)) {
2261 qla_printk(KERN_WARNING, ha,
2262 "Unable to start DPC thread!\n");
2263 ret = PTR_ERR(ha->dpc_thread);
2264 goto probe_failed;
2265 }
2266
2267 skip_dpc:
2268 list_add_tail(&base_vha->list, &ha->vp_list);
2269 base_vha->host->irq = ha->pdev->irq;
2270
2271 /* Initialized the timer */
2272 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2273
2274 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2275 base_vha->host_no, ha));
2276
2277 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2278 if (ha->fw_attributes & BIT_4) {
2279 base_vha->flags.difdix_supported = 1;
2280 DEBUG18(qla_printk(KERN_INFO, ha,
2281 "Registering for DIF/DIX type 1 and 3"
2282 " protection.\n"));
2283 scsi_host_set_prot(host,
2284 SHOST_DIF_TYPE1_PROTECTION
2285 | SHOST_DIF_TYPE3_PROTECTION
2286 | SHOST_DIX_TYPE1_PROTECTION
2287 | SHOST_DIX_TYPE3_PROTECTION);
2288 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2289 } else
2290 base_vha->flags.difdix_supported = 0;
2291 }
2292
2293 ha->isp_ops->enable_intrs(ha);
2294
2295 ret = scsi_add_host(host, &pdev->dev);
2296 if (ret)
2297 goto probe_failed;
2298
2299 base_vha->flags.init_done = 1;
2300 base_vha->flags.online = 1;
2301
2302 scsi_scan_host(host);
2303
2304 qla2x00_alloc_sysfs_attr(base_vha);
2305
2306 qla2x00_init_host_attr(base_vha);
2307
2308 qla2x00_dfs_setup(base_vha);
2309
2310 qla_printk(KERN_INFO, ha, "\n"
2311 " QLogic Fibre Channel HBA Driver: %s\n"
2312 " QLogic %s - %s\n"
2313 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2314 qla2x00_version_str, ha->model_number,
2315 ha->model_desc ? ha->model_desc : "", pdev->device,
2316 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2317 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2318 ha->isp_ops->fw_version_str(base_vha, fw_str));
2319
2320 return 0;
2321
2322 probe_init_failed:
2323 qla2x00_free_req_que(ha, req);
2324 qla2x00_free_rsp_que(ha, rsp);
2325 ha->max_req_queues = ha->max_rsp_queues = 0;
2326
2327 probe_failed:
2328 if (base_vha->timer_active)
2329 qla2x00_stop_timer(base_vha);
2330 base_vha->flags.online = 0;
2331 if (ha->dpc_thread) {
2332 struct task_struct *t = ha->dpc_thread;
2333
2334 ha->dpc_thread = NULL;
2335 kthread_stop(t);
2336 }
2337
2338 qla2x00_free_device(base_vha);
2339
2340 scsi_host_put(base_vha->host);
2341
2342 probe_hw_failed:
2343 if (IS_QLA82XX(ha)) {
2344 qla82xx_idc_lock(ha);
2345 qla82xx_clear_drv_active(ha);
2346 qla82xx_idc_unlock(ha);
2347 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2348 if (!ql2xdbwr)
2349 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2350 } else {
2351 if (ha->iobase)
2352 iounmap(ha->iobase);
2353 }
2354 pci_release_selected_regions(ha->pdev, ha->bars);
2355 kfree(ha);
2356 ha = NULL;
2357
2358 probe_out:
2359 pci_disable_device(pdev);
2360 return ret;
2361 }
2362
2363 static void
2364 qla2x00_remove_one(struct pci_dev *pdev)
2365 {
2366 scsi_qla_host_t *base_vha, *vha, *temp;
2367 struct qla_hw_data *ha;
2368
2369 base_vha = pci_get_drvdata(pdev);
2370 ha = base_vha->hw;
2371
2372 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2373 if (vha && vha->fc_vport)
2374 fc_vport_terminate(vha->fc_vport);
2375 }
2376
2377 set_bit(UNLOADING, &base_vha->dpc_flags);
2378
2379 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2380
2381 qla2x00_dfs_remove(base_vha);
2382
2383 qla84xx_put_chip(base_vha);
2384
2385 /* Disable timer */
2386 if (base_vha->timer_active)
2387 qla2x00_stop_timer(base_vha);
2388
2389 base_vha->flags.online = 0;
2390
2391 /* Flush the work queue and remove it */
2392 if (ha->wq) {
2393 flush_workqueue(ha->wq);
2394 destroy_workqueue(ha->wq);
2395 ha->wq = NULL;
2396 }
2397
2398 /* Kill the kernel thread for this host */
2399 if (ha->dpc_thread) {
2400 struct task_struct *t = ha->dpc_thread;
2401
2402 /*
2403 * qla2xxx_wake_dpc checks for ->dpc_thread
2404 * so we need to zero it out.
2405 */
2406 ha->dpc_thread = NULL;
2407 kthread_stop(t);
2408 }
2409
2410 qla2x00_free_sysfs_attr(base_vha);
2411
2412 fc_remove_host(base_vha->host);
2413
2414 scsi_remove_host(base_vha->host);
2415
2416 qla2x00_free_device(base_vha);
2417
2418 scsi_host_put(base_vha->host);
2419
2420 if (IS_QLA82XX(ha)) {
2421 qla82xx_idc_lock(ha);
2422 qla82xx_clear_drv_active(ha);
2423 qla82xx_idc_unlock(ha);
2424
2425 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2426 if (!ql2xdbwr)
2427 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2428 } else {
2429 if (ha->iobase)
2430 iounmap(ha->iobase);
2431
2432 if (ha->mqiobase)
2433 iounmap(ha->mqiobase);
2434 }
2435
2436 pci_release_selected_regions(ha->pdev, ha->bars);
2437 kfree(ha);
2438 ha = NULL;
2439
2440 pci_disable_pcie_error_reporting(pdev);
2441
2442 pci_disable_device(pdev);
2443 pci_set_drvdata(pdev, NULL);
2444 }
2445
2446 static void
2447 qla2x00_free_device(scsi_qla_host_t *vha)
2448 {
2449 struct qla_hw_data *ha = vha->hw;
2450
2451 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2452
2453 /* Disable timer */
2454 if (vha->timer_active)
2455 qla2x00_stop_timer(vha);
2456
2457 /* Kill the kernel thread for this host */
2458 if (ha->dpc_thread) {
2459 struct task_struct *t = ha->dpc_thread;
2460
2461 /*
2462 * qla2xxx_wake_dpc checks for ->dpc_thread
2463 * so we need to zero it out.
2464 */
2465 ha->dpc_thread = NULL;
2466 kthread_stop(t);
2467 }
2468
2469 qla25xx_delete_queues(vha);
2470
2471 if (ha->flags.fce_enabled)
2472 qla2x00_disable_fce_trace(vha, NULL, NULL);
2473
2474 if (ha->eft)
2475 qla2x00_disable_eft_trace(vha);
2476
2477 /* Stop currently executing firmware. */
2478 qla2x00_try_to_stop_firmware(vha);
2479
2480 vha->flags.online = 0;
2481
2482 /* turn-off interrupts on the card */
2483 if (ha->interrupts_on) {
2484 vha->flags.init_done = 0;
2485 ha->isp_ops->disable_intrs(ha);
2486 }
2487
2488 qla2x00_free_irqs(vha);
2489
2490 qla2x00_mem_free(ha);
2491
2492 qla2x00_free_queues(ha);
2493 }
2494
2495 static inline void
2496 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2497 int defer)
2498 {
2499 struct fc_rport *rport;
2500 scsi_qla_host_t *base_vha;
2501
2502 if (!fcport->rport)
2503 return;
2504
2505 rport = fcport->rport;
2506 if (defer) {
2507 base_vha = pci_get_drvdata(vha->hw->pdev);
2508 spin_lock_irq(vha->host->host_lock);
2509 fcport->drport = rport;
2510 spin_unlock_irq(vha->host->host_lock);
2511 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2512 qla2xxx_wake_dpc(base_vha);
2513 } else
2514 fc_remote_port_delete(rport);
2515 }
2516
2517 /*
2518 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2519 *
2520 * Input: ha = adapter block pointer. fcport = port structure pointer.
2521 *
2522 * Return: None.
2523 *
2524 * Context:
2525 */
2526 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2527 int do_login, int defer)
2528 {
2529 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2530 vha->vp_idx == fcport->vp_idx) {
2531 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2532 qla2x00_schedule_rport_del(vha, fcport, defer);
2533 }
2534 /*
2535 * We may need to retry the login, so don't change the state of the
2536 * port but do the retries.
2537 */
2538 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2539 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2540
2541 if (!do_login)
2542 return;
2543
2544 if (fcport->login_retry == 0) {
2545 fcport->login_retry = vha->hw->login_retry_count;
2546 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2547
2548 DEBUG(printk("scsi(%ld): Port login retry: "
2549 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2550 "id = 0x%04x retry cnt=%d\n",
2551 vha->host_no,
2552 fcport->port_name[0],
2553 fcport->port_name[1],
2554 fcport->port_name[2],
2555 fcport->port_name[3],
2556 fcport->port_name[4],
2557 fcport->port_name[5],
2558 fcport->port_name[6],
2559 fcport->port_name[7],
2560 fcport->loop_id,
2561 fcport->login_retry));
2562 }
2563 }
2564
2565 /*
2566 * qla2x00_mark_all_devices_lost
2567 * Updates fcport state when device goes offline.
2568 *
2569 * Input:
2570 * ha = adapter block pointer.
2571 * fcport = port structure pointer.
2572 *
2573 * Return:
2574 * None.
2575 *
2576 * Context:
2577 */
2578 void
2579 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2580 {
2581 fc_port_t *fcport;
2582
2583 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2584 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2585 continue;
2586
2587 /*
2588 * No point in marking the device as lost, if the device is
2589 * already DEAD.
2590 */
2591 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2592 continue;
2593 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2594 if (defer)
2595 qla2x00_schedule_rport_del(vha, fcport, defer);
2596 else if (vha->vp_idx == fcport->vp_idx)
2597 qla2x00_schedule_rport_del(vha, fcport, defer);
2598 }
2599 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2600 }
2601 }
2602
2603 /*
2604 * qla2x00_mem_alloc
2605 * Allocates adapter memory.
2606 *
2607 * Returns:
2608 * 0 = success.
2609 * !0 = failure.
2610 */
2611 static int
2612 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2613 struct req_que **req, struct rsp_que **rsp)
2614 {
2615 char name[16];
2616
2617 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2618 &ha->init_cb_dma, GFP_KERNEL);
2619 if (!ha->init_cb)
2620 goto fail;
2621
2622 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2623 &ha->gid_list_dma, GFP_KERNEL);
2624 if (!ha->gid_list)
2625 goto fail_free_init_cb;
2626
2627 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2628 if (!ha->srb_mempool)
2629 goto fail_free_gid_list;
2630
2631 if (IS_QLA82XX(ha)) {
2632 /* Allocate cache for CT6 Ctx. */
2633 if (!ctx_cachep) {
2634 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2635 sizeof(struct ct6_dsd), 0,
2636 SLAB_HWCACHE_ALIGN, NULL);
2637 if (!ctx_cachep)
2638 goto fail_free_gid_list;
2639 }
2640 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2641 ctx_cachep);
2642 if (!ha->ctx_mempool)
2643 goto fail_free_srb_mempool;
2644 }
2645
2646 /* Get memory for cached NVRAM */
2647 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2648 if (!ha->nvram)
2649 goto fail_free_ctx_mempool;
2650
2651 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2652 ha->pdev->device);
2653 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2654 DMA_POOL_SIZE, 8, 0);
2655 if (!ha->s_dma_pool)
2656 goto fail_free_nvram;
2657
2658 if (IS_QLA82XX(ha) || ql2xenabledif) {
2659 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2660 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2661 if (!ha->dl_dma_pool) {
2662 qla_printk(KERN_WARNING, ha,
2663 "Memory Allocation failed - dl_dma_pool\n");
2664 goto fail_s_dma_pool;
2665 }
2666
2667 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2668 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2669 if (!ha->fcp_cmnd_dma_pool) {
2670 qla_printk(KERN_WARNING, ha,
2671 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2672 goto fail_dl_dma_pool;
2673 }
2674 }
2675
2676 /* Allocate memory for SNS commands */
2677 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2678 /* Get consistent memory allocated for SNS commands */
2679 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2680 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2681 if (!ha->sns_cmd)
2682 goto fail_dma_pool;
2683 } else {
2684 /* Get consistent memory allocated for MS IOCB */
2685 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2686 &ha->ms_iocb_dma);
2687 if (!ha->ms_iocb)
2688 goto fail_dma_pool;
2689 /* Get consistent memory allocated for CT SNS commands */
2690 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2691 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2692 if (!ha->ct_sns)
2693 goto fail_free_ms_iocb;
2694 }
2695
2696 /* Allocate memory for request ring */
2697 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2698 if (!*req) {
2699 DEBUG(printk("Unable to allocate memory for req\n"));
2700 goto fail_req;
2701 }
2702 (*req)->length = req_len;
2703 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2704 ((*req)->length + 1) * sizeof(request_t),
2705 &(*req)->dma, GFP_KERNEL);
2706 if (!(*req)->ring) {
2707 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2708 goto fail_req_ring;
2709 }
2710 /* Allocate memory for response ring */
2711 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2712 if (!*rsp) {
2713 qla_printk(KERN_WARNING, ha,
2714 "Unable to allocate memory for rsp\n");
2715 goto fail_rsp;
2716 }
2717 (*rsp)->hw = ha;
2718 (*rsp)->length = rsp_len;
2719 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2720 ((*rsp)->length + 1) * sizeof(response_t),
2721 &(*rsp)->dma, GFP_KERNEL);
2722 if (!(*rsp)->ring) {
2723 qla_printk(KERN_WARNING, ha,
2724 "Unable to allocate memory for rsp_ring\n");
2725 goto fail_rsp_ring;
2726 }
2727 (*req)->rsp = *rsp;
2728 (*rsp)->req = *req;
2729 /* Allocate memory for NVRAM data for vports */
2730 if (ha->nvram_npiv_size) {
2731 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2732 ha->nvram_npiv_size, GFP_KERNEL);
2733 if (!ha->npiv_info) {
2734 qla_printk(KERN_WARNING, ha,
2735 "Unable to allocate memory for npiv info\n");
2736 goto fail_npiv_info;
2737 }
2738 } else
2739 ha->npiv_info = NULL;
2740
2741 /* Get consistent memory allocated for EX-INIT-CB. */
2742 if (IS_QLA8XXX_TYPE(ha)) {
2743 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2744 &ha->ex_init_cb_dma);
2745 if (!ha->ex_init_cb)
2746 goto fail_ex_init_cb;
2747 }
2748
2749 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2750
2751 /* Get consistent memory allocated for Async Port-Database. */
2752 if (!IS_FWI2_CAPABLE(ha)) {
2753 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2754 &ha->async_pd_dma);
2755 if (!ha->async_pd)
2756 goto fail_async_pd;
2757 }
2758
2759 INIT_LIST_HEAD(&ha->vp_list);
2760 return 1;
2761
2762 fail_async_pd:
2763 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2764 fail_ex_init_cb:
2765 kfree(ha->npiv_info);
2766 fail_npiv_info:
2767 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2768 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2769 (*rsp)->ring = NULL;
2770 (*rsp)->dma = 0;
2771 fail_rsp_ring:
2772 kfree(*rsp);
2773 fail_rsp:
2774 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2775 sizeof(request_t), (*req)->ring, (*req)->dma);
2776 (*req)->ring = NULL;
2777 (*req)->dma = 0;
2778 fail_req_ring:
2779 kfree(*req);
2780 fail_req:
2781 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2782 ha->ct_sns, ha->ct_sns_dma);
2783 ha->ct_sns = NULL;
2784 ha->ct_sns_dma = 0;
2785 fail_free_ms_iocb:
2786 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2787 ha->ms_iocb = NULL;
2788 ha->ms_iocb_dma = 0;
2789 fail_dma_pool:
2790 if (IS_QLA82XX(ha) || ql2xenabledif) {
2791 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2792 ha->fcp_cmnd_dma_pool = NULL;
2793 }
2794 fail_dl_dma_pool:
2795 if (IS_QLA82XX(ha) || ql2xenabledif) {
2796 dma_pool_destroy(ha->dl_dma_pool);
2797 ha->dl_dma_pool = NULL;
2798 }
2799 fail_s_dma_pool:
2800 dma_pool_destroy(ha->s_dma_pool);
2801 ha->s_dma_pool = NULL;
2802 fail_free_nvram:
2803 kfree(ha->nvram);
2804 ha->nvram = NULL;
2805 fail_free_ctx_mempool:
2806 mempool_destroy(ha->ctx_mempool);
2807 ha->ctx_mempool = NULL;
2808 fail_free_srb_mempool:
2809 mempool_destroy(ha->srb_mempool);
2810 ha->srb_mempool = NULL;
2811 fail_free_gid_list:
2812 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2813 ha->gid_list_dma);
2814 ha->gid_list = NULL;
2815 ha->gid_list_dma = 0;
2816 fail_free_init_cb:
2817 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2818 ha->init_cb_dma);
2819 ha->init_cb = NULL;
2820 ha->init_cb_dma = 0;
2821 fail:
2822 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2823 return -ENOMEM;
2824 }
2825
2826 /*
2827 * qla2x00_mem_free
2828 * Frees all adapter allocated memory.
2829 *
2830 * Input:
2831 * ha = adapter block pointer.
2832 */
2833 static void
2834 qla2x00_mem_free(struct qla_hw_data *ha)
2835 {
2836 if (ha->srb_mempool)
2837 mempool_destroy(ha->srb_mempool);
2838
2839 if (ha->fce)
2840 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2841 ha->fce_dma);
2842
2843 if (ha->fw_dump) {
2844 if (ha->eft)
2845 dma_free_coherent(&ha->pdev->dev,
2846 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2847 vfree(ha->fw_dump);
2848 }
2849
2850 if (ha->dcbx_tlv)
2851 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2852 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2853
2854 if (ha->xgmac_data)
2855 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2856 ha->xgmac_data, ha->xgmac_data_dma);
2857
2858 if (ha->sns_cmd)
2859 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2860 ha->sns_cmd, ha->sns_cmd_dma);
2861
2862 if (ha->ct_sns)
2863 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2864 ha->ct_sns, ha->ct_sns_dma);
2865
2866 if (ha->sfp_data)
2867 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2868
2869 if (ha->edc_data)
2870 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2871
2872 if (ha->ms_iocb)
2873 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2874
2875 if (ha->ex_init_cb)
2876 dma_pool_free(ha->s_dma_pool,
2877 ha->ex_init_cb, ha->ex_init_cb_dma);
2878
2879 if (ha->async_pd)
2880 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2881
2882 if (ha->s_dma_pool)
2883 dma_pool_destroy(ha->s_dma_pool);
2884
2885 if (ha->gid_list)
2886 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2887 ha->gid_list_dma);
2888
2889 if (IS_QLA82XX(ha)) {
2890 if (!list_empty(&ha->gbl_dsd_list)) {
2891 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2892
2893 /* clean up allocated prev pool */
2894 list_for_each_entry_safe(dsd_ptr,
2895 tdsd_ptr, &ha->gbl_dsd_list, list) {
2896 dma_pool_free(ha->dl_dma_pool,
2897 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2898 list_del(&dsd_ptr->list);
2899 kfree(dsd_ptr);
2900 }
2901 }
2902 }
2903
2904 if (ha->dl_dma_pool)
2905 dma_pool_destroy(ha->dl_dma_pool);
2906
2907 if (ha->fcp_cmnd_dma_pool)
2908 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2909
2910 if (ha->ctx_mempool)
2911 mempool_destroy(ha->ctx_mempool);
2912
2913 if (ha->init_cb)
2914 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2915 ha->init_cb, ha->init_cb_dma);
2916 vfree(ha->optrom_buffer);
2917 kfree(ha->nvram);
2918 kfree(ha->npiv_info);
2919
2920 ha->srb_mempool = NULL;
2921 ha->ctx_mempool = NULL;
2922 ha->eft = NULL;
2923 ha->eft_dma = 0;
2924 ha->sns_cmd = NULL;
2925 ha->sns_cmd_dma = 0;
2926 ha->ct_sns = NULL;
2927 ha->ct_sns_dma = 0;
2928 ha->ms_iocb = NULL;
2929 ha->ms_iocb_dma = 0;
2930 ha->init_cb = NULL;
2931 ha->init_cb_dma = 0;
2932 ha->ex_init_cb = NULL;
2933 ha->ex_init_cb_dma = 0;
2934 ha->async_pd = NULL;
2935 ha->async_pd_dma = 0;
2936
2937 ha->s_dma_pool = NULL;
2938 ha->dl_dma_pool = NULL;
2939 ha->fcp_cmnd_dma_pool = NULL;
2940
2941 ha->gid_list = NULL;
2942 ha->gid_list_dma = 0;
2943
2944 ha->fw_dump = NULL;
2945 ha->fw_dumped = 0;
2946 ha->fw_dump_reading = 0;
2947 }
2948
2949 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2950 struct qla_hw_data *ha)
2951 {
2952 struct Scsi_Host *host;
2953 struct scsi_qla_host *vha = NULL;
2954
2955 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2956 if (host == NULL) {
2957 printk(KERN_WARNING
2958 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2959 goto fail;
2960 }
2961
2962 /* Clear our data area */
2963 vha = shost_priv(host);
2964 memset(vha, 0, sizeof(scsi_qla_host_t));
2965
2966 vha->host = host;
2967 vha->host_no = host->host_no;
2968 vha->hw = ha;
2969
2970 INIT_LIST_HEAD(&vha->vp_fcports);
2971 INIT_LIST_HEAD(&vha->work_list);
2972 INIT_LIST_HEAD(&vha->list);
2973
2974 spin_lock_init(&vha->work_lock);
2975
2976 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2977 return vha;
2978
2979 fail:
2980 return vha;
2981 }
2982
2983 static struct qla_work_evt *
2984 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2985 {
2986 struct qla_work_evt *e;
2987
2988 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2989 if (!e)
2990 return NULL;
2991
2992 INIT_LIST_HEAD(&e->list);
2993 e->type = type;
2994 e->flags = QLA_EVT_FLAG_FREE;
2995 return e;
2996 }
2997
2998 static int
2999 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3000 {
3001 unsigned long flags;
3002
3003 spin_lock_irqsave(&vha->work_lock, flags);
3004 list_add_tail(&e->list, &vha->work_list);
3005 spin_unlock_irqrestore(&vha->work_lock, flags);
3006 qla2xxx_wake_dpc(vha);
3007
3008 return QLA_SUCCESS;
3009 }
3010
3011 int
3012 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3013 u32 data)
3014 {
3015 struct qla_work_evt *e;
3016
3017 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3018 if (!e)
3019 return QLA_FUNCTION_FAILED;
3020
3021 e->u.aen.code = code;
3022 e->u.aen.data = data;
3023 return qla2x00_post_work(vha, e);
3024 }
3025
3026 int
3027 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3028 {
3029 struct qla_work_evt *e;
3030
3031 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3032 if (!e)
3033 return QLA_FUNCTION_FAILED;
3034
3035 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3036 return qla2x00_post_work(vha, e);
3037 }
3038
3039 #define qla2x00_post_async_work(name, type) \
3040 int qla2x00_post_async_##name##_work( \
3041 struct scsi_qla_host *vha, \
3042 fc_port_t *fcport, uint16_t *data) \
3043 { \
3044 struct qla_work_evt *e; \
3045 \
3046 e = qla2x00_alloc_work(vha, type); \
3047 if (!e) \
3048 return QLA_FUNCTION_FAILED; \
3049 \
3050 e->u.logio.fcport = fcport; \
3051 if (data) { \
3052 e->u.logio.data[0] = data[0]; \
3053 e->u.logio.data[1] = data[1]; \
3054 } \
3055 return qla2x00_post_work(vha, e); \
3056 }
3057
3058 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3059 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3060 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3061 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3062 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3063 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3064
3065 int
3066 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3067 {
3068 struct qla_work_evt *e;
3069
3070 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3071 if (!e)
3072 return QLA_FUNCTION_FAILED;
3073
3074 e->u.uevent.code = code;
3075 return qla2x00_post_work(vha, e);
3076 }
3077
3078 static void
3079 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3080 {
3081 char event_string[40];
3082 char *envp[] = { event_string, NULL };
3083
3084 switch (code) {
3085 case QLA_UEVENT_CODE_FW_DUMP:
3086 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3087 vha->host_no);
3088 break;
3089 default:
3090 /* do nothing */
3091 break;
3092 }
3093 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3094 }
3095
3096 void
3097 qla2x00_do_work(struct scsi_qla_host *vha)
3098 {
3099 struct qla_work_evt *e, *tmp;
3100 unsigned long flags;
3101 LIST_HEAD(work);
3102
3103 spin_lock_irqsave(&vha->work_lock, flags);
3104 list_splice_init(&vha->work_list, &work);
3105 spin_unlock_irqrestore(&vha->work_lock, flags);
3106
3107 list_for_each_entry_safe(e, tmp, &work, list) {
3108 list_del_init(&e->list);
3109
3110 switch (e->type) {
3111 case QLA_EVT_AEN:
3112 fc_host_post_event(vha->host, fc_get_event_number(),
3113 e->u.aen.code, e->u.aen.data);
3114 break;
3115 case QLA_EVT_IDC_ACK:
3116 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3117 break;
3118 case QLA_EVT_ASYNC_LOGIN:
3119 qla2x00_async_login(vha, e->u.logio.fcport,
3120 e->u.logio.data);
3121 break;
3122 case QLA_EVT_ASYNC_LOGIN_DONE:
3123 qla2x00_async_login_done(vha, e->u.logio.fcport,
3124 e->u.logio.data);
3125 break;
3126 case QLA_EVT_ASYNC_LOGOUT:
3127 qla2x00_async_logout(vha, e->u.logio.fcport);
3128 break;
3129 case QLA_EVT_ASYNC_LOGOUT_DONE:
3130 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3131 e->u.logio.data);
3132 break;
3133 case QLA_EVT_ASYNC_ADISC:
3134 qla2x00_async_adisc(vha, e->u.logio.fcport,
3135 e->u.logio.data);
3136 break;
3137 case QLA_EVT_ASYNC_ADISC_DONE:
3138 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3139 e->u.logio.data);
3140 break;
3141 case QLA_EVT_UEVENT:
3142 qla2x00_uevent_emit(vha, e->u.uevent.code);
3143 break;
3144 }
3145 if (e->flags & QLA_EVT_FLAG_FREE)
3146 kfree(e);
3147 }
3148 }
3149
3150 /* Relogins all the fcports of a vport
3151 * Context: dpc thread
3152 */
3153 void qla2x00_relogin(struct scsi_qla_host *vha)
3154 {
3155 fc_port_t *fcport;
3156 int status;
3157 uint16_t next_loopid = 0;
3158 struct qla_hw_data *ha = vha->hw;
3159 uint16_t data[2];
3160
3161 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3162 /*
3163 * If the port is not ONLINE then try to login
3164 * to it if we haven't run out of retries.
3165 */
3166 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3167 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3168 fcport->login_retry--;
3169 if (fcport->flags & FCF_FABRIC_DEVICE) {
3170 if (fcport->flags & FCF_FCP2_DEVICE)
3171 ha->isp_ops->fabric_logout(vha,
3172 fcport->loop_id,
3173 fcport->d_id.b.domain,
3174 fcport->d_id.b.area,
3175 fcport->d_id.b.al_pa);
3176
3177 if (IS_ALOGIO_CAPABLE(ha)) {
3178 fcport->flags |= FCF_ASYNC_SENT;
3179 data[0] = 0;
3180 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3181 status = qla2x00_post_async_login_work(
3182 vha, fcport, data);
3183 if (status == QLA_SUCCESS)
3184 continue;
3185 /* Attempt a retry. */
3186 status = 1;
3187 } else
3188 status = qla2x00_fabric_login(vha,
3189 fcport, &next_loopid);
3190 } else
3191 status = qla2x00_local_device_login(vha,
3192 fcport);
3193
3194 if (status == QLA_SUCCESS) {
3195 fcport->old_loop_id = fcport->loop_id;
3196
3197 DEBUG(printk("scsi(%ld): port login OK: logged "
3198 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3199
3200 qla2x00_update_fcport(vha, fcport);
3201
3202 } else if (status == 1) {
3203 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3204 /* retry the login again */
3205 DEBUG(printk("scsi(%ld): Retrying"
3206 " %d login again loop_id 0x%x\n",
3207 vha->host_no, fcport->login_retry,
3208 fcport->loop_id));
3209 } else {
3210 fcport->login_retry = 0;
3211 }
3212
3213 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3214 fcport->loop_id = FC_NO_LOOP_ID;
3215 }
3216 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3217 break;
3218 }
3219 }
3220
3221 /**************************************************************************
3222 * qla2x00_do_dpc
3223 * This kernel thread is a task that is schedule by the interrupt handler
3224 * to perform the background processing for interrupts.
3225 *
3226 * Notes:
3227 * This task always run in the context of a kernel thread. It
3228 * is kick-off by the driver's detect code and starts up
3229 * up one per adapter. It immediately goes to sleep and waits for
3230 * some fibre event. When either the interrupt handler or
3231 * the timer routine detects a event it will one of the task
3232 * bits then wake us up.
3233 **************************************************************************/
3234 static int
3235 qla2x00_do_dpc(void *data)
3236 {
3237 int rval;
3238 scsi_qla_host_t *base_vha;
3239 struct qla_hw_data *ha;
3240
3241 ha = (struct qla_hw_data *)data;
3242 base_vha = pci_get_drvdata(ha->pdev);
3243
3244 set_user_nice(current, -20);
3245
3246 while (!kthread_should_stop()) {
3247 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3248
3249 set_current_state(TASK_INTERRUPTIBLE);
3250 schedule();
3251 __set_current_state(TASK_RUNNING);
3252
3253 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3254
3255 /* Initialization not yet finished. Don't do anything yet. */
3256 if (!base_vha->flags.init_done)
3257 continue;
3258
3259 if (ha->flags.eeh_busy) {
3260 DEBUG17(qla_printk(KERN_WARNING, ha,
3261 "qla2x00_do_dpc: dpc_flags: %lx\n",
3262 base_vha->dpc_flags));
3263 continue;
3264 }
3265
3266 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3267
3268 ha->dpc_active = 1;
3269
3270 if (ha->flags.mbox_busy) {
3271 ha->dpc_active = 0;
3272 continue;
3273 }
3274
3275 qla2x00_do_work(base_vha);
3276
3277 if (IS_QLA82XX(ha)) {
3278 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3279 &base_vha->dpc_flags)) {
3280 qla82xx_idc_lock(ha);
3281 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3282 QLA82XX_DEV_FAILED);
3283 qla82xx_idc_unlock(ha);
3284 qla_printk(KERN_INFO, ha,
3285 "HW State: FAILED\n");
3286 qla82xx_device_state_handler(base_vha);
3287 continue;
3288 }
3289
3290 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3291 &base_vha->dpc_flags)) {
3292
3293 DEBUG(printk(KERN_INFO
3294 "scsi(%ld): dpc: sched "
3295 "qla82xx_fcoe_ctx_reset ha = %p\n",
3296 base_vha->host_no, ha));
3297 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3298 &base_vha->dpc_flags))) {
3299 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3300 /* FCoE-ctx reset failed.
3301 * Escalate to chip-reset
3302 */
3303 set_bit(ISP_ABORT_NEEDED,
3304 &base_vha->dpc_flags);
3305 }
3306 clear_bit(ABORT_ISP_ACTIVE,
3307 &base_vha->dpc_flags);
3308 }
3309
3310 DEBUG(printk("scsi(%ld): dpc:"
3311 " qla82xx_fcoe_ctx_reset end\n",
3312 base_vha->host_no));
3313 }
3314 }
3315
3316 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3317 &base_vha->dpc_flags)) {
3318
3319 DEBUG(printk("scsi(%ld): dpc: sched "
3320 "qla2x00_abort_isp ha = %p\n",
3321 base_vha->host_no, ha));
3322 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3323 &base_vha->dpc_flags))) {
3324
3325 if (ha->isp_ops->abort_isp(base_vha)) {
3326 /* failed. retry later */
3327 set_bit(ISP_ABORT_NEEDED,
3328 &base_vha->dpc_flags);
3329 }
3330 clear_bit(ABORT_ISP_ACTIVE,
3331 &base_vha->dpc_flags);
3332 }
3333
3334 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3335 base_vha->host_no));
3336 }
3337
3338 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3339 qla2x00_update_fcports(base_vha);
3340 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3341 }
3342
3343 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3344 &base_vha->dpc_flags) &&
3345 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3346
3347 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3348 base_vha->host_no));
3349
3350 qla2x00_rst_aen(base_vha);
3351 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3352 }
3353
3354 /* Retry each device up to login retry count */
3355 if ((test_and_clear_bit(RELOGIN_NEEDED,
3356 &base_vha->dpc_flags)) &&
3357 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3358 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3359
3360 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3361 base_vha->host_no));
3362 qla2x00_relogin(base_vha);
3363
3364 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3365 base_vha->host_no));
3366 }
3367
3368 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3369 &base_vha->dpc_flags)) {
3370
3371 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3372 base_vha->host_no));
3373
3374 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3375 &base_vha->dpc_flags))) {
3376
3377 rval = qla2x00_loop_resync(base_vha);
3378
3379 clear_bit(LOOP_RESYNC_ACTIVE,
3380 &base_vha->dpc_flags);
3381 }
3382
3383 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3384 base_vha->host_no));
3385 }
3386
3387 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3388 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3389 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3390 qla2xxx_flash_npiv_conf(base_vha);
3391 }
3392
3393 if (!ha->interrupts_on)
3394 ha->isp_ops->enable_intrs(ha);
3395
3396 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3397 &base_vha->dpc_flags))
3398 ha->isp_ops->beacon_blink(base_vha);
3399
3400 qla2x00_do_dpc_all_vps(base_vha);
3401
3402 ha->dpc_active = 0;
3403 } /* End of while(1) */
3404
3405 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3406
3407 /*
3408 * Make sure that nobody tries to wake us up again.
3409 */
3410 ha->dpc_active = 0;
3411
3412 /* Cleanup any residual CTX SRBs. */
3413 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3414
3415 return 0;
3416 }
3417
3418 void
3419 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3420 {
3421 struct qla_hw_data *ha = vha->hw;
3422 struct task_struct *t = ha->dpc_thread;
3423
3424 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3425 wake_up_process(t);
3426 }
3427
3428 /*
3429 * qla2x00_rst_aen
3430 * Processes asynchronous reset.
3431 *
3432 * Input:
3433 * ha = adapter block pointer.
3434 */
3435 static void
3436 qla2x00_rst_aen(scsi_qla_host_t *vha)
3437 {
3438 if (vha->flags.online && !vha->flags.reset_active &&
3439 !atomic_read(&vha->loop_down_timer) &&
3440 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3441 do {
3442 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3443
3444 /*
3445 * Issue marker command only when we are going to start
3446 * the I/O.
3447 */
3448 vha->marker_needed = 1;
3449 } while (!atomic_read(&vha->loop_down_timer) &&
3450 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3451 }
3452 }
3453
3454 static void
3455 qla2x00_sp_free_dma(srb_t *sp)
3456 {
3457 struct scsi_cmnd *cmd = sp->cmd;
3458 struct qla_hw_data *ha = sp->fcport->vha->hw;
3459
3460 if (sp->flags & SRB_DMA_VALID) {
3461 scsi_dma_unmap(cmd);
3462 sp->flags &= ~SRB_DMA_VALID;
3463 }
3464
3465 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3466 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3467 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3468 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3469 }
3470
3471 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3472 /* List assured to be having elements */
3473 qla2x00_clean_dsd_pool(ha, sp);
3474 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3475 }
3476
3477 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3478 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3479 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3480 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3481 }
3482
3483 CMD_SP(cmd) = NULL;
3484 }
3485
3486 void
3487 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3488 {
3489 struct scsi_cmnd *cmd = sp->cmd;
3490
3491 qla2x00_sp_free_dma(sp);
3492
3493 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3494 struct ct6_dsd *ctx = sp->ctx;
3495 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3496 ctx->fcp_cmnd_dma);
3497 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3498 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3499 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3500 mempool_free(sp->ctx, ha->ctx_mempool);
3501 sp->ctx = NULL;
3502 }
3503
3504 mempool_free(sp, ha->srb_mempool);
3505 cmd->scsi_done(cmd);
3506 }
3507
3508 void
3509 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3510 {
3511 if (atomic_read(&sp->ref_count) == 0) {
3512 DEBUG2(qla_printk(KERN_WARNING, ha,
3513 "SP reference-count to ZERO -- sp=%p\n", sp));
3514 DEBUG2(BUG());
3515 return;
3516 }
3517 if (!atomic_dec_and_test(&sp->ref_count))
3518 return;
3519 qla2x00_sp_final_compl(ha, sp);
3520 }
3521
3522 /**************************************************************************
3523 * qla2x00_timer
3524 *
3525 * Description:
3526 * One second timer
3527 *
3528 * Context: Interrupt
3529 ***************************************************************************/
3530 void
3531 qla2x00_timer(scsi_qla_host_t *vha)
3532 {
3533 unsigned long cpu_flags = 0;
3534 fc_port_t *fcport;
3535 int start_dpc = 0;
3536 int index;
3537 srb_t *sp;
3538 int t;
3539 uint16_t w;
3540 struct qla_hw_data *ha = vha->hw;
3541 struct req_que *req;
3542
3543 if (IS_QLA82XX(ha))
3544 qla82xx_watchdog(vha);
3545
3546 /* Hardware read to raise pending EEH errors during mailbox waits. */
3547 if (!pci_channel_offline(ha->pdev))
3548 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3549 /*
3550 * Ports - Port down timer.
3551 *
3552 * Whenever, a port is in the LOST state we start decrementing its port
3553 * down timer every second until it reaches zero. Once it reaches zero
3554 * the port it marked DEAD.
3555 */
3556 t = 0;
3557 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3558 if (fcport->port_type != FCT_TARGET)
3559 continue;
3560
3561 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3562
3563 if (atomic_read(&fcport->port_down_timer) == 0)
3564 continue;
3565
3566 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3567 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3568
3569 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3570 "%d remaining\n",
3571 vha->host_no,
3572 t, atomic_read(&fcport->port_down_timer)));
3573 }
3574 t++;
3575 } /* End of for fcport */
3576
3577
3578 /* Loop down handler. */
3579 if (atomic_read(&vha->loop_down_timer) > 0 &&
3580 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3581 && vha->flags.online) {
3582
3583 if (atomic_read(&vha->loop_down_timer) ==
3584 vha->loop_down_abort_time) {
3585
3586 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3587 "queues before time expire\n",
3588 vha->host_no));
3589
3590 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3591 atomic_set(&vha->loop_state, LOOP_DEAD);
3592
3593 /*
3594 * Schedule an ISP abort to return any FCP2-device
3595 * commands.
3596 */
3597 /* NPIV - scan physical port only */
3598 if (!vha->vp_idx) {
3599 spin_lock_irqsave(&ha->hardware_lock,
3600 cpu_flags);
3601 req = ha->req_q_map[0];
3602 for (index = 1;
3603 index < MAX_OUTSTANDING_COMMANDS;
3604 index++) {
3605 fc_port_t *sfcp;
3606
3607 sp = req->outstanding_cmds[index];
3608 if (!sp)
3609 continue;
3610 if (sp->ctx && !IS_PROT_IO(sp))
3611 continue;
3612 sfcp = sp->fcport;
3613 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3614 continue;
3615
3616 set_bit(ISP_ABORT_NEEDED,
3617 &vha->dpc_flags);
3618 break;
3619 }
3620 spin_unlock_irqrestore(&ha->hardware_lock,
3621 cpu_flags);
3622 }
3623 start_dpc++;
3624 }
3625
3626 /* if the loop has been down for 4 minutes, reinit adapter */
3627 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3628 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3629 DEBUG(printk("scsi(%ld): Loop down - "
3630 "aborting ISP.\n",
3631 vha->host_no));
3632 qla_printk(KERN_WARNING, ha,
3633 "Loop down - aborting ISP.\n");
3634
3635 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3636 }
3637 }
3638 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3639 vha->host_no,
3640 atomic_read(&vha->loop_down_timer)));
3641 }
3642
3643 /* Check if beacon LED needs to be blinked */
3644 if (ha->beacon_blink_led == 1) {
3645 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3646 start_dpc++;
3647 }
3648
3649 /* Process any deferred work. */
3650 if (!list_empty(&vha->work_list))
3651 start_dpc++;
3652
3653 /* Schedule the DPC routine if needed */
3654 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3655 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3656 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3657 start_dpc ||
3658 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3659 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3660 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3661 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3662 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3663 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3664 qla2xxx_wake_dpc(vha);
3665
3666 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3667 }
3668
3669 /* Firmware interface routines. */
3670
3671 #define FW_BLOBS 8
3672 #define FW_ISP21XX 0
3673 #define FW_ISP22XX 1
3674 #define FW_ISP2300 2
3675 #define FW_ISP2322 3
3676 #define FW_ISP24XX 4
3677 #define FW_ISP25XX 5
3678 #define FW_ISP81XX 6
3679 #define FW_ISP82XX 7
3680
3681 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3682 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3683 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3684 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3685 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3686 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3687 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3688 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3689
3690 static DEFINE_MUTEX(qla_fw_lock);
3691
3692 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3693 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3694 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3695 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3696 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3697 { .name = FW_FILE_ISP24XX, },
3698 { .name = FW_FILE_ISP25XX, },
3699 { .name = FW_FILE_ISP81XX, },
3700 { .name = FW_FILE_ISP82XX, },
3701 };
3702
3703 struct fw_blob *
3704 qla2x00_request_firmware(scsi_qla_host_t *vha)
3705 {
3706 struct qla_hw_data *ha = vha->hw;
3707 struct fw_blob *blob;
3708
3709 blob = NULL;
3710 if (IS_QLA2100(ha)) {
3711 blob = &qla_fw_blobs[FW_ISP21XX];
3712 } else if (IS_QLA2200(ha)) {
3713 blob = &qla_fw_blobs[FW_ISP22XX];
3714 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3715 blob = &qla_fw_blobs[FW_ISP2300];
3716 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3717 blob = &qla_fw_blobs[FW_ISP2322];
3718 } else if (IS_QLA24XX_TYPE(ha)) {
3719 blob = &qla_fw_blobs[FW_ISP24XX];
3720 } else if (IS_QLA25XX(ha)) {
3721 blob = &qla_fw_blobs[FW_ISP25XX];
3722 } else if (IS_QLA81XX(ha)) {
3723 blob = &qla_fw_blobs[FW_ISP81XX];
3724 } else if (IS_QLA82XX(ha)) {
3725 blob = &qla_fw_blobs[FW_ISP82XX];
3726 }
3727
3728 mutex_lock(&qla_fw_lock);
3729 if (blob->fw)
3730 goto out;
3731
3732 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3733 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3734 "(%s).\n", vha->host_no, blob->name));
3735 blob->fw = NULL;
3736 blob = NULL;
3737 goto out;
3738 }
3739
3740 out:
3741 mutex_unlock(&qla_fw_lock);
3742 return blob;
3743 }
3744
3745 static void
3746 qla2x00_release_firmware(void)
3747 {
3748 int idx;
3749
3750 mutex_lock(&qla_fw_lock);
3751 for (idx = 0; idx < FW_BLOBS; idx++)
3752 if (qla_fw_blobs[idx].fw)
3753 release_firmware(qla_fw_blobs[idx].fw);
3754 mutex_unlock(&qla_fw_lock);
3755 }
3756
3757 static pci_ers_result_t
3758 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3759 {
3760 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3761 struct qla_hw_data *ha = vha->hw;
3762
3763 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3764 state));
3765
3766 switch (state) {
3767 case pci_channel_io_normal:
3768 ha->flags.eeh_busy = 0;
3769 return PCI_ERS_RESULT_CAN_RECOVER;
3770 case pci_channel_io_frozen:
3771 ha->flags.eeh_busy = 1;
3772 qla2x00_free_irqs(vha);
3773 pci_disable_device(pdev);
3774 return PCI_ERS_RESULT_NEED_RESET;
3775 case pci_channel_io_perm_failure:
3776 ha->flags.pci_channel_io_perm_failure = 1;
3777 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3778 return PCI_ERS_RESULT_DISCONNECT;
3779 }
3780 return PCI_ERS_RESULT_NEED_RESET;
3781 }
3782
3783 static pci_ers_result_t
3784 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3785 {
3786 int risc_paused = 0;
3787 uint32_t stat;
3788 unsigned long flags;
3789 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3790 struct qla_hw_data *ha = base_vha->hw;
3791 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3792 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3793
3794 spin_lock_irqsave(&ha->hardware_lock, flags);
3795 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3796 stat = RD_REG_DWORD(&reg->hccr);
3797 if (stat & HCCR_RISC_PAUSE)
3798 risc_paused = 1;
3799 } else if (IS_QLA23XX(ha)) {
3800 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3801 if (stat & HSR_RISC_PAUSED)
3802 risc_paused = 1;
3803 } else if (IS_FWI2_CAPABLE(ha)) {
3804 stat = RD_REG_DWORD(&reg24->host_status);
3805 if (stat & HSRX_RISC_PAUSED)
3806 risc_paused = 1;
3807 }
3808 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3809
3810 if (risc_paused) {
3811 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3812 "Dumping firmware!\n");
3813 ha->isp_ops->fw_dump(base_vha, 0);
3814
3815 return PCI_ERS_RESULT_NEED_RESET;
3816 } else
3817 return PCI_ERS_RESULT_RECOVERED;
3818 }
3819
3820 static pci_ers_result_t
3821 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3822 {
3823 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3824 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3825 struct qla_hw_data *ha = base_vha->hw;
3826 struct rsp_que *rsp;
3827 int rc, retries = 10;
3828
3829 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3830
3831 /* Workaround: qla2xxx driver which access hardware earlier
3832 * needs error state to be pci_channel_io_online.
3833 * Otherwise mailbox command timesout.
3834 */
3835 pdev->error_state = pci_channel_io_normal;
3836
3837 pci_restore_state(pdev);
3838
3839 /* pci_restore_state() clears the saved_state flag of the device
3840 * save restored state which resets saved_state flag
3841 */
3842 pci_save_state(pdev);
3843
3844 if (ha->mem_only)
3845 rc = pci_enable_device_mem(pdev);
3846 else
3847 rc = pci_enable_device(pdev);
3848
3849 if (rc) {
3850 qla_printk(KERN_WARNING, ha,
3851 "Can't re-enable PCI device after reset.\n");
3852 return ret;
3853 }
3854
3855 rsp = ha->rsp_q_map[0];
3856 if (qla2x00_request_irqs(ha, rsp))
3857 return ret;
3858
3859 if (ha->isp_ops->pci_config(base_vha))
3860 return ret;
3861
3862 while (ha->flags.mbox_busy && retries--)
3863 msleep(1000);
3864
3865 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3866 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3867 ret = PCI_ERS_RESULT_RECOVERED;
3868 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3869
3870
3871 DEBUG17(qla_printk(KERN_WARNING, ha,
3872 "slot_reset-return:ret=%x\n", ret));
3873
3874 return ret;
3875 }
3876
3877 static void
3878 qla2xxx_pci_resume(struct pci_dev *pdev)
3879 {
3880 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3881 struct qla_hw_data *ha = base_vha->hw;
3882 int ret;
3883
3884 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3885
3886 ret = qla2x00_wait_for_hba_online(base_vha);
3887 if (ret != QLA_SUCCESS) {
3888 qla_printk(KERN_ERR, ha,
3889 "the device failed to resume I/O "
3890 "from slot/link_reset");
3891 }
3892
3893 pci_cleanup_aer_uncorrect_error_status(pdev);
3894
3895 ha->flags.eeh_busy = 0;
3896 }
3897
3898 static struct pci_error_handlers qla2xxx_err_handler = {
3899 .error_detected = qla2xxx_pci_error_detected,
3900 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3901 .slot_reset = qla2xxx_pci_slot_reset,
3902 .resume = qla2xxx_pci_resume,
3903 };
3904
3905 static struct pci_device_id qla2xxx_pci_tbl[] = {
3906 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3907 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3908 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3909 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3910 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3911 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3912 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3913 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3914 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3915 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3916 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3917 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3918 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3919 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3920 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3921 { 0 },
3922 };
3923 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3924
3925 static struct pci_driver qla2xxx_pci_driver = {
3926 .name = QLA2XXX_DRIVER_NAME,
3927 .driver = {
3928 .owner = THIS_MODULE,
3929 },
3930 .id_table = qla2xxx_pci_tbl,
3931 .probe = qla2x00_probe_one,
3932 .remove = qla2x00_remove_one,
3933 .err_handler = &qla2xxx_err_handler,
3934 };
3935
3936 static struct file_operations apidev_fops = {
3937 .owner = THIS_MODULE,
3938 };
3939
3940 /**
3941 * qla2x00_module_init - Module initialization.
3942 **/
3943 static int __init
3944 qla2x00_module_init(void)
3945 {
3946 int ret = 0;
3947
3948 /* Allocate cache for SRBs. */
3949 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3950 SLAB_HWCACHE_ALIGN, NULL);
3951 if (srb_cachep == NULL) {
3952 printk(KERN_ERR
3953 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3954 return -ENOMEM;
3955 }
3956
3957 /* Derive version string. */
3958 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3959 if (ql2xextended_error_logging)
3960 strcat(qla2x00_version_str, "-debug");
3961
3962 qla2xxx_transport_template =
3963 fc_attach_transport(&qla2xxx_transport_functions);
3964 if (!qla2xxx_transport_template) {
3965 kmem_cache_destroy(srb_cachep);
3966 return -ENODEV;
3967 }
3968
3969 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3970 if (apidev_major < 0) {
3971 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3972 "%s\n", QLA2XXX_APIDEV);
3973 }
3974
3975 qla2xxx_transport_vport_template =
3976 fc_attach_transport(&qla2xxx_transport_vport_functions);
3977 if (!qla2xxx_transport_vport_template) {
3978 kmem_cache_destroy(srb_cachep);
3979 fc_release_transport(qla2xxx_transport_template);
3980 return -ENODEV;
3981 }
3982
3983 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3984 qla2x00_version_str);
3985 ret = pci_register_driver(&qla2xxx_pci_driver);
3986 if (ret) {
3987 kmem_cache_destroy(srb_cachep);
3988 fc_release_transport(qla2xxx_transport_template);
3989 fc_release_transport(qla2xxx_transport_vport_template);
3990 }
3991 return ret;
3992 }
3993
3994 /**
3995 * qla2x00_module_exit - Module cleanup.
3996 **/
3997 static void __exit
3998 qla2x00_module_exit(void)
3999 {
4000 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4001 pci_unregister_driver(&qla2xxx_pci_driver);
4002 qla2x00_release_firmware();
4003 kmem_cache_destroy(srb_cachep);
4004 if (ctx_cachep)
4005 kmem_cache_destroy(ctx_cachep);
4006 fc_release_transport(qla2xxx_transport_template);
4007 fc_release_transport(qla2xxx_transport_vport_template);
4008 }
4009
4010 module_init(qla2x00_module_init);
4011 module_exit(qla2x00_module_exit);
4012
4013 MODULE_AUTHOR("QLogic Corporation");
4014 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4015 MODULE_LICENSE("GPL");
4016 MODULE_VERSION(QLA2XXX_VERSION);
4017 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4018 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4019 MODULE_FIRMWARE(FW_FILE_ISP2300);
4020 MODULE_FIRMWARE(FW_FILE_ISP2322);
4021 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4022 MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree