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[SCSI] qla2xxx: Rearranged and cleaned up the code for processing the pending commands.
[linux-2.6/btrfs-unstable.git] / drivers / scsi / qla2xxx / qla_os.c
blob86d352ab9c58e0b2361e0eb65bc05111520a1a7f
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 = 1;
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 int
907 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
908 unsigned int l, enum nexus_wait_type type)
909 {
910 int cnt, match, status;
911 unsigned long flags;
912 struct qla_hw_data *ha = vha->hw;
913 struct req_que *req;
914 srb_t *sp;
915
916 status = QLA_SUCCESS;
917
918 spin_lock_irqsave(&ha->hardware_lock, flags);
919 req = vha->req;
920 for (cnt = 1; status == QLA_SUCCESS &&
921 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
922 sp = req->outstanding_cmds[cnt];
923 if (!sp)
924 continue;
925 if ((sp->ctx) && !IS_PROT_IO(sp))
926 continue;
927 if (vha->vp_idx != sp->fcport->vha->vp_idx)
928 continue;
929 match = 0;
930 switch (type) {
931 case WAIT_HOST:
932 match = 1;
933 break;
934 case WAIT_TARGET:
935 match = sp->cmd->device->id == t;
936 break;
937 case WAIT_LUN:
938 match = (sp->cmd->device->id == t &&
939 sp->cmd->device->lun == l);
940 break;
941 }
942 if (!match)
943 continue;
944
945 spin_unlock_irqrestore(&ha->hardware_lock, flags);
946 status = qla2x00_eh_wait_on_command(sp->cmd);
947 spin_lock_irqsave(&ha->hardware_lock, flags);
948 }
949 spin_unlock_irqrestore(&ha->hardware_lock, flags);
950
951 return status;
952 }
953
954 static char *reset_errors[] = {
955 "HBA not online",
956 "HBA not ready",
957 "Task management failed",
958 "Waiting for command completions",
959 };
960
961 static int
962 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
963 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
964 {
965 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
966 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
967 int err;
968
969 fc_block_scsi_eh(cmd);
970
971 if (!fcport)
972 return FAILED;
973
974 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
975 vha->host_no, cmd->device->id, cmd->device->lun, name);
976
977 err = 0;
978 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
979 goto eh_reset_failed;
980 err = 1;
981 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
982 goto eh_reset_failed;
983 err = 2;
984 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
985 != QLA_SUCCESS)
986 goto eh_reset_failed;
987 err = 3;
988 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
989 cmd->device->lun, type) != QLA_SUCCESS)
990 goto eh_reset_failed;
991
992 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
993 vha->host_no, cmd->device->id, cmd->device->lun, name);
994
995 return SUCCESS;
996
997 eh_reset_failed:
998 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
999 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1000 reset_errors[err]);
1001 return FAILED;
1002 }
1003
1004 static int
1005 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1006 {
1007 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1008 struct qla_hw_data *ha = vha->hw;
1009
1010 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1011 ha->isp_ops->lun_reset);
1012 }
1013
1014 static int
1015 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1016 {
1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1018 struct qla_hw_data *ha = vha->hw;
1019
1020 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1021 ha->isp_ops->target_reset);
1022 }
1023
1024 /**************************************************************************
1025 * qla2xxx_eh_bus_reset
1026 *
1027 * Description:
1028 * The bus reset function will reset the bus and abort any executing
1029 * commands.
1030 *
1031 * Input:
1032 * cmd = Linux SCSI command packet of the command that cause the
1033 * bus reset.
1034 *
1035 * Returns:
1036 * SUCCESS/FAILURE (defined as macro in scsi.h).
1037 *
1038 **************************************************************************/
1039 static int
1040 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1041 {
1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1044 int ret = FAILED;
1045 unsigned int id, lun;
1046 unsigned long serial;
1047
1048 fc_block_scsi_eh(cmd);
1049
1050 id = cmd->device->id;
1051 lun = cmd->device->lun;
1052 serial = cmd->serial_number;
1053
1054 if (!fcport)
1055 return ret;
1056
1057 qla_printk(KERN_INFO, vha->hw,
1058 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1059
1060 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1061 DEBUG2(printk("%s failed:board disabled\n",__func__));
1062 goto eh_bus_reset_done;
1063 }
1064
1065 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1066 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1067 ret = SUCCESS;
1068 }
1069 if (ret == FAILED)
1070 goto eh_bus_reset_done;
1071
1072 /* Flush outstanding commands. */
1073 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1074 QLA_SUCCESS)
1075 ret = FAILED;
1076
1077 eh_bus_reset_done:
1078 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1079 (ret == FAILED) ? "failed" : "succeded");
1080
1081 return ret;
1082 }
1083
1084 /**************************************************************************
1085 * qla2xxx_eh_host_reset
1086 *
1087 * Description:
1088 * The reset function will reset the Adapter.
1089 *
1090 * Input:
1091 * cmd = Linux SCSI command packet of the command that cause the
1092 * adapter reset.
1093 *
1094 * Returns:
1095 * Either SUCCESS or FAILED.
1096 *
1097 * Note:
1098 **************************************************************************/
1099 static int
1100 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1101 {
1102 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1103 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1104 struct qla_hw_data *ha = vha->hw;
1105 int ret = FAILED;
1106 unsigned int id, lun;
1107 unsigned long serial;
1108 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1109
1110 fc_block_scsi_eh(cmd);
1111
1112 id = cmd->device->id;
1113 lun = cmd->device->lun;
1114 serial = cmd->serial_number;
1115
1116 if (!fcport)
1117 return ret;
1118
1119 qla_printk(KERN_INFO, ha,
1120 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1121
1122 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1123 goto eh_host_reset_lock;
1124
1125 /*
1126 * Fixme-may be dpc thread is active and processing
1127 * loop_resync,so wait a while for it to
1128 * be completed and then issue big hammer.Otherwise
1129 * it may cause I/O failure as big hammer marks the
1130 * devices as lost kicking of the port_down_timer
1131 * while dpc is stuck for the mailbox to complete.
1132 */
1133 qla2x00_wait_for_loop_ready(vha);
1134 if (vha != base_vha) {
1135 if (qla2x00_vp_abort_isp(vha))
1136 goto eh_host_reset_lock;
1137 } else {
1138 if (IS_QLA82XX(vha->hw)) {
1139 if (!qla82xx_fcoe_ctx_reset(vha)) {
1140 /* Ctx reset success */
1141 ret = SUCCESS;
1142 goto eh_host_reset_lock;
1143 }
1144 /* fall thru if ctx reset failed */
1145 }
1146 if (ha->wq)
1147 flush_workqueue(ha->wq);
1148
1149 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1150 if (ha->isp_ops->abort_isp(base_vha)) {
1151 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1152 /* failed. schedule dpc to try */
1153 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1154
1155 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1156 goto eh_host_reset_lock;
1157 }
1158 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1159 }
1160
1161 /* Waiting for command to be returned to OS.*/
1162 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1163 QLA_SUCCESS)
1164 ret = SUCCESS;
1165
1166 eh_host_reset_lock:
1167 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1168 (ret == FAILED) ? "failed" : "succeded");
1169
1170 return ret;
1171 }
1172
1173 /*
1174 * qla2x00_loop_reset
1175 * Issue loop reset.
1176 *
1177 * Input:
1178 * ha = adapter block pointer.
1179 *
1180 * Returns:
1181 * 0 = success
1182 */
1183 int
1184 qla2x00_loop_reset(scsi_qla_host_t *vha)
1185 {
1186 int ret;
1187 struct fc_port *fcport;
1188 struct qla_hw_data *ha = vha->hw;
1189
1190 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1191 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1192 if (fcport->port_type != FCT_TARGET)
1193 continue;
1194
1195 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1196 if (ret != QLA_SUCCESS) {
1197 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1198 "target_reset=%d d_id=%x.\n", __func__,
1199 vha->host_no, ret, fcport->d_id.b24));
1200 }
1201 }
1202 }
1203
1204 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1205 ret = qla2x00_full_login_lip(vha);
1206 if (ret != QLA_SUCCESS) {
1207 DEBUG2_3(printk("%s(%ld): failed: "
1208 "full_login_lip=%d.\n", __func__, vha->host_no,
1209 ret));
1210 }
1211 atomic_set(&vha->loop_state, LOOP_DOWN);
1212 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1213 qla2x00_mark_all_devices_lost(vha, 0);
1214 qla2x00_wait_for_loop_ready(vha);
1215 }
1216
1217 if (ha->flags.enable_lip_reset) {
1218 ret = qla2x00_lip_reset(vha);
1219 if (ret != QLA_SUCCESS) {
1220 DEBUG2_3(printk("%s(%ld): failed: "
1221 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1222 } else
1223 qla2x00_wait_for_loop_ready(vha);
1224 }
1225
1226 /* Issue marker command only when we are going to start the I/O */
1227 vha->marker_needed = 1;
1228
1229 return QLA_SUCCESS;
1230 }
1231
1232 void
1233 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1234 {
1235 int que, cnt;
1236 unsigned long flags;
1237 srb_t *sp;
1238 struct srb_ctx *ctx;
1239 struct qla_hw_data *ha = vha->hw;
1240 struct req_que *req;
1241
1242 spin_lock_irqsave(&ha->hardware_lock, flags);
1243 for (que = 0; que < ha->max_req_queues; que++) {
1244 req = ha->req_q_map[que];
1245 if (!req)
1246 continue;
1247 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1248 sp = req->outstanding_cmds[cnt];
1249 if (sp) {
1250 req->outstanding_cmds[cnt] = NULL;
1251 if (!sp->ctx ||
1252 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1253 IS_PROT_IO(sp)) {
1254 sp->cmd->result = res;
1255 qla2x00_sp_compl(ha, sp);
1256 } else {
1257 ctx = sp->ctx;
1258 if (ctx->type == SRB_LOGIN_CMD ||
1259 ctx->type == SRB_LOGOUT_CMD) {
1260 ctx->u.iocb_cmd->free(sp);
1261 } else {
1262 struct fc_bsg_job *bsg_job =
1263 ctx->u.bsg_job;
1264 if (bsg_job->request->msgcode
1265 == FC_BSG_HST_CT)
1266 kfree(sp->fcport);
1267 bsg_job->req->errors = 0;
1268 bsg_job->reply->result = res;
1269 bsg_job->job_done(bsg_job);
1270 kfree(sp->ctx);
1271 mempool_free(sp,
1272 ha->srb_mempool);
1273 }
1274 }
1275 }
1276 }
1277 }
1278 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1279 }
1280
1281 static int
1282 qla2xxx_slave_alloc(struct scsi_device *sdev)
1283 {
1284 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1285
1286 if (!rport || fc_remote_port_chkready(rport))
1287 return -ENXIO;
1288
1289 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1290
1291 return 0;
1292 }
1293
1294 static int
1295 qla2xxx_slave_configure(struct scsi_device *sdev)
1296 {
1297 scsi_qla_host_t *vha = shost_priv(sdev->host);
1298 struct qla_hw_data *ha = vha->hw;
1299 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1300 struct req_que *req = vha->req;
1301
1302 if (sdev->tagged_supported)
1303 scsi_activate_tcq(sdev, req->max_q_depth);
1304 else
1305 scsi_deactivate_tcq(sdev, req->max_q_depth);
1306
1307 rport->dev_loss_tmo = ha->port_down_retry_count;
1308
1309 return 0;
1310 }
1311
1312 static void
1313 qla2xxx_slave_destroy(struct scsi_device *sdev)
1314 {
1315 sdev->hostdata = NULL;
1316 }
1317
1318 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1319 {
1320 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1321
1322 if (!scsi_track_queue_full(sdev, qdepth))
1323 return;
1324
1325 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1326 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1327 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1328 sdev->queue_depth));
1329 }
1330
1331 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1332 {
1333 fc_port_t *fcport = sdev->hostdata;
1334 struct scsi_qla_host *vha = fcport->vha;
1335 struct qla_hw_data *ha = vha->hw;
1336 struct req_que *req = NULL;
1337
1338 req = vha->req;
1339 if (!req)
1340 return;
1341
1342 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1343 return;
1344
1345 if (sdev->ordered_tags)
1346 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1347 else
1348 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1349
1350 DEBUG2(qla_printk(KERN_INFO, ha,
1351 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1352 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1353 sdev->queue_depth));
1354 }
1355
1356 static int
1357 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1358 {
1359 switch (reason) {
1360 case SCSI_QDEPTH_DEFAULT:
1361 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1362 break;
1363 case SCSI_QDEPTH_QFULL:
1364 qla2x00_handle_queue_full(sdev, qdepth);
1365 break;
1366 case SCSI_QDEPTH_RAMP_UP:
1367 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1368 break;
1369 default:
1370 return -EOPNOTSUPP;
1371 }
1372
1373 return sdev->queue_depth;
1374 }
1375
1376 static int
1377 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1378 {
1379 if (sdev->tagged_supported) {
1380 scsi_set_tag_type(sdev, tag_type);
1381 if (tag_type)
1382 scsi_activate_tcq(sdev, sdev->queue_depth);
1383 else
1384 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1385 } else
1386 tag_type = 0;
1387
1388 return tag_type;
1389 }
1390
1391 /**
1392 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1393 * @ha: HA context
1394 *
1395 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1396 * supported addressing method.
1397 */
1398 static void
1399 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1400 {
1401 /* Assume a 32bit DMA mask. */
1402 ha->flags.enable_64bit_addressing = 0;
1403
1404 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1405 /* Any upper-dword bits set? */
1406 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1407 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1408 /* Ok, a 64bit DMA mask is applicable. */
1409 ha->flags.enable_64bit_addressing = 1;
1410 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1411 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1412 return;
1413 }
1414 }
1415
1416 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1417 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1418 }
1419
1420 static void
1421 qla2x00_enable_intrs(struct qla_hw_data *ha)
1422 {
1423 unsigned long flags = 0;
1424 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1425
1426 spin_lock_irqsave(&ha->hardware_lock, flags);
1427 ha->interrupts_on = 1;
1428 /* enable risc and host interrupts */
1429 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1430 RD_REG_WORD(&reg->ictrl);
1431 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1432
1433 }
1434
1435 static void
1436 qla2x00_disable_intrs(struct qla_hw_data *ha)
1437 {
1438 unsigned long flags = 0;
1439 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1440
1441 spin_lock_irqsave(&ha->hardware_lock, flags);
1442 ha->interrupts_on = 0;
1443 /* disable risc and host interrupts */
1444 WRT_REG_WORD(&reg->ictrl, 0);
1445 RD_REG_WORD(&reg->ictrl);
1446 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1447 }
1448
1449 static void
1450 qla24xx_enable_intrs(struct qla_hw_data *ha)
1451 {
1452 unsigned long flags = 0;
1453 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1454
1455 spin_lock_irqsave(&ha->hardware_lock, flags);
1456 ha->interrupts_on = 1;
1457 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1458 RD_REG_DWORD(&reg->ictrl);
1459 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1460 }
1461
1462 static void
1463 qla24xx_disable_intrs(struct qla_hw_data *ha)
1464 {
1465 unsigned long flags = 0;
1466 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1467
1468 if (IS_NOPOLLING_TYPE(ha))
1469 return;
1470 spin_lock_irqsave(&ha->hardware_lock, flags);
1471 ha->interrupts_on = 0;
1472 WRT_REG_DWORD(&reg->ictrl, 0);
1473 RD_REG_DWORD(&reg->ictrl);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 static struct isp_operations qla2100_isp_ops = {
1478 .pci_config = qla2100_pci_config,
1479 .reset_chip = qla2x00_reset_chip,
1480 .chip_diag = qla2x00_chip_diag,
1481 .config_rings = qla2x00_config_rings,
1482 .reset_adapter = qla2x00_reset_adapter,
1483 .nvram_config = qla2x00_nvram_config,
1484 .update_fw_options = qla2x00_update_fw_options,
1485 .load_risc = qla2x00_load_risc,
1486 .pci_info_str = qla2x00_pci_info_str,
1487 .fw_version_str = qla2x00_fw_version_str,
1488 .intr_handler = qla2100_intr_handler,
1489 .enable_intrs = qla2x00_enable_intrs,
1490 .disable_intrs = qla2x00_disable_intrs,
1491 .abort_command = qla2x00_abort_command,
1492 .target_reset = qla2x00_abort_target,
1493 .lun_reset = qla2x00_lun_reset,
1494 .fabric_login = qla2x00_login_fabric,
1495 .fabric_logout = qla2x00_fabric_logout,
1496 .calc_req_entries = qla2x00_calc_iocbs_32,
1497 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1498 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1499 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1500 .read_nvram = qla2x00_read_nvram_data,
1501 .write_nvram = qla2x00_write_nvram_data,
1502 .fw_dump = qla2100_fw_dump,
1503 .beacon_on = NULL,
1504 .beacon_off = NULL,
1505 .beacon_blink = NULL,
1506 .read_optrom = qla2x00_read_optrom_data,
1507 .write_optrom = qla2x00_write_optrom_data,
1508 .get_flash_version = qla2x00_get_flash_version,
1509 .start_scsi = qla2x00_start_scsi,
1510 .abort_isp = qla2x00_abort_isp,
1511 };
1512
1513 static struct isp_operations qla2300_isp_ops = {
1514 .pci_config = qla2300_pci_config,
1515 .reset_chip = qla2x00_reset_chip,
1516 .chip_diag = qla2x00_chip_diag,
1517 .config_rings = qla2x00_config_rings,
1518 .reset_adapter = qla2x00_reset_adapter,
1519 .nvram_config = qla2x00_nvram_config,
1520 .update_fw_options = qla2x00_update_fw_options,
1521 .load_risc = qla2x00_load_risc,
1522 .pci_info_str = qla2x00_pci_info_str,
1523 .fw_version_str = qla2x00_fw_version_str,
1524 .intr_handler = qla2300_intr_handler,
1525 .enable_intrs = qla2x00_enable_intrs,
1526 .disable_intrs = qla2x00_disable_intrs,
1527 .abort_command = qla2x00_abort_command,
1528 .target_reset = qla2x00_abort_target,
1529 .lun_reset = qla2x00_lun_reset,
1530 .fabric_login = qla2x00_login_fabric,
1531 .fabric_logout = qla2x00_fabric_logout,
1532 .calc_req_entries = qla2x00_calc_iocbs_32,
1533 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1534 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1535 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1536 .read_nvram = qla2x00_read_nvram_data,
1537 .write_nvram = qla2x00_write_nvram_data,
1538 .fw_dump = qla2300_fw_dump,
1539 .beacon_on = qla2x00_beacon_on,
1540 .beacon_off = qla2x00_beacon_off,
1541 .beacon_blink = qla2x00_beacon_blink,
1542 .read_optrom = qla2x00_read_optrom_data,
1543 .write_optrom = qla2x00_write_optrom_data,
1544 .get_flash_version = qla2x00_get_flash_version,
1545 .start_scsi = qla2x00_start_scsi,
1546 .abort_isp = qla2x00_abort_isp,
1547 };
1548
1549 static struct isp_operations qla24xx_isp_ops = {
1550 .pci_config = qla24xx_pci_config,
1551 .reset_chip = qla24xx_reset_chip,
1552 .chip_diag = qla24xx_chip_diag,
1553 .config_rings = qla24xx_config_rings,
1554 .reset_adapter = qla24xx_reset_adapter,
1555 .nvram_config = qla24xx_nvram_config,
1556 .update_fw_options = qla24xx_update_fw_options,
1557 .load_risc = qla24xx_load_risc,
1558 .pci_info_str = qla24xx_pci_info_str,
1559 .fw_version_str = qla24xx_fw_version_str,
1560 .intr_handler = qla24xx_intr_handler,
1561 .enable_intrs = qla24xx_enable_intrs,
1562 .disable_intrs = qla24xx_disable_intrs,
1563 .abort_command = qla24xx_abort_command,
1564 .target_reset = qla24xx_abort_target,
1565 .lun_reset = qla24xx_lun_reset,
1566 .fabric_login = qla24xx_login_fabric,
1567 .fabric_logout = qla24xx_fabric_logout,
1568 .calc_req_entries = NULL,
1569 .build_iocbs = NULL,
1570 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1571 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1572 .read_nvram = qla24xx_read_nvram_data,
1573 .write_nvram = qla24xx_write_nvram_data,
1574 .fw_dump = qla24xx_fw_dump,
1575 .beacon_on = qla24xx_beacon_on,
1576 .beacon_off = qla24xx_beacon_off,
1577 .beacon_blink = qla24xx_beacon_blink,
1578 .read_optrom = qla24xx_read_optrom_data,
1579 .write_optrom = qla24xx_write_optrom_data,
1580 .get_flash_version = qla24xx_get_flash_version,
1581 .start_scsi = qla24xx_start_scsi,
1582 .abort_isp = qla2x00_abort_isp,
1583 };
1584
1585 static struct isp_operations qla25xx_isp_ops = {
1586 .pci_config = qla25xx_pci_config,
1587 .reset_chip = qla24xx_reset_chip,
1588 .chip_diag = qla24xx_chip_diag,
1589 .config_rings = qla24xx_config_rings,
1590 .reset_adapter = qla24xx_reset_adapter,
1591 .nvram_config = qla24xx_nvram_config,
1592 .update_fw_options = qla24xx_update_fw_options,
1593 .load_risc = qla24xx_load_risc,
1594 .pci_info_str = qla24xx_pci_info_str,
1595 .fw_version_str = qla24xx_fw_version_str,
1596 .intr_handler = qla24xx_intr_handler,
1597 .enable_intrs = qla24xx_enable_intrs,
1598 .disable_intrs = qla24xx_disable_intrs,
1599 .abort_command = qla24xx_abort_command,
1600 .target_reset = qla24xx_abort_target,
1601 .lun_reset = qla24xx_lun_reset,
1602 .fabric_login = qla24xx_login_fabric,
1603 .fabric_logout = qla24xx_fabric_logout,
1604 .calc_req_entries = NULL,
1605 .build_iocbs = NULL,
1606 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1607 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1608 .read_nvram = qla25xx_read_nvram_data,
1609 .write_nvram = qla25xx_write_nvram_data,
1610 .fw_dump = qla25xx_fw_dump,
1611 .beacon_on = qla24xx_beacon_on,
1612 .beacon_off = qla24xx_beacon_off,
1613 .beacon_blink = qla24xx_beacon_blink,
1614 .read_optrom = qla25xx_read_optrom_data,
1615 .write_optrom = qla24xx_write_optrom_data,
1616 .get_flash_version = qla24xx_get_flash_version,
1617 .start_scsi = qla24xx_dif_start_scsi,
1618 .abort_isp = qla2x00_abort_isp,
1619 };
1620
1621 static struct isp_operations qla81xx_isp_ops = {
1622 .pci_config = qla25xx_pci_config,
1623 .reset_chip = qla24xx_reset_chip,
1624 .chip_diag = qla24xx_chip_diag,
1625 .config_rings = qla24xx_config_rings,
1626 .reset_adapter = qla24xx_reset_adapter,
1627 .nvram_config = qla81xx_nvram_config,
1628 .update_fw_options = qla81xx_update_fw_options,
1629 .load_risc = qla81xx_load_risc,
1630 .pci_info_str = qla24xx_pci_info_str,
1631 .fw_version_str = qla24xx_fw_version_str,
1632 .intr_handler = qla24xx_intr_handler,
1633 .enable_intrs = qla24xx_enable_intrs,
1634 .disable_intrs = qla24xx_disable_intrs,
1635 .abort_command = qla24xx_abort_command,
1636 .target_reset = qla24xx_abort_target,
1637 .lun_reset = qla24xx_lun_reset,
1638 .fabric_login = qla24xx_login_fabric,
1639 .fabric_logout = qla24xx_fabric_logout,
1640 .calc_req_entries = NULL,
1641 .build_iocbs = NULL,
1642 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1643 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1644 .read_nvram = NULL,
1645 .write_nvram = NULL,
1646 .fw_dump = qla81xx_fw_dump,
1647 .beacon_on = qla24xx_beacon_on,
1648 .beacon_off = qla24xx_beacon_off,
1649 .beacon_blink = qla24xx_beacon_blink,
1650 .read_optrom = qla25xx_read_optrom_data,
1651 .write_optrom = qla24xx_write_optrom_data,
1652 .get_flash_version = qla24xx_get_flash_version,
1653 .start_scsi = qla24xx_dif_start_scsi,
1654 .abort_isp = qla2x00_abort_isp,
1655 };
1656
1657 static struct isp_operations qla82xx_isp_ops = {
1658 .pci_config = qla82xx_pci_config,
1659 .reset_chip = qla82xx_reset_chip,
1660 .chip_diag = qla24xx_chip_diag,
1661 .config_rings = qla82xx_config_rings,
1662 .reset_adapter = qla24xx_reset_adapter,
1663 .nvram_config = qla81xx_nvram_config,
1664 .update_fw_options = qla24xx_update_fw_options,
1665 .load_risc = qla82xx_load_risc,
1666 .pci_info_str = qla82xx_pci_info_str,
1667 .fw_version_str = qla24xx_fw_version_str,
1668 .intr_handler = qla82xx_intr_handler,
1669 .enable_intrs = qla82xx_enable_intrs,
1670 .disable_intrs = qla82xx_disable_intrs,
1671 .abort_command = qla24xx_abort_command,
1672 .target_reset = qla24xx_abort_target,
1673 .lun_reset = qla24xx_lun_reset,
1674 .fabric_login = qla24xx_login_fabric,
1675 .fabric_logout = qla24xx_fabric_logout,
1676 .calc_req_entries = NULL,
1677 .build_iocbs = NULL,
1678 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1679 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1680 .read_nvram = qla24xx_read_nvram_data,
1681 .write_nvram = qla24xx_write_nvram_data,
1682 .fw_dump = qla24xx_fw_dump,
1683 .beacon_on = qla24xx_beacon_on,
1684 .beacon_off = qla24xx_beacon_off,
1685 .beacon_blink = qla24xx_beacon_blink,
1686 .read_optrom = qla82xx_read_optrom_data,
1687 .write_optrom = qla82xx_write_optrom_data,
1688 .get_flash_version = qla24xx_get_flash_version,
1689 .start_scsi = qla82xx_start_scsi,
1690 .abort_isp = qla82xx_abort_isp,
1691 };
1692
1693 static inline void
1694 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1695 {
1696 ha->device_type = DT_EXTENDED_IDS;
1697 switch (ha->pdev->device) {
1698 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1699 ha->device_type |= DT_ISP2100;
1700 ha->device_type &= ~DT_EXTENDED_IDS;
1701 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1702 break;
1703 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1704 ha->device_type |= DT_ISP2200;
1705 ha->device_type &= ~DT_EXTENDED_IDS;
1706 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1707 break;
1708 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1709 ha->device_type |= DT_ISP2300;
1710 ha->device_type |= DT_ZIO_SUPPORTED;
1711 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1712 break;
1713 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1714 ha->device_type |= DT_ISP2312;
1715 ha->device_type |= DT_ZIO_SUPPORTED;
1716 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1717 break;
1718 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1719 ha->device_type |= DT_ISP2322;
1720 ha->device_type |= DT_ZIO_SUPPORTED;
1721 if (ha->pdev->subsystem_vendor == 0x1028 &&
1722 ha->pdev->subsystem_device == 0x0170)
1723 ha->device_type |= DT_OEM_001;
1724 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1725 break;
1726 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1727 ha->device_type |= DT_ISP6312;
1728 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1729 break;
1730 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1731 ha->device_type |= DT_ISP6322;
1732 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1733 break;
1734 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1735 ha->device_type |= DT_ISP2422;
1736 ha->device_type |= DT_ZIO_SUPPORTED;
1737 ha->device_type |= DT_FWI2;
1738 ha->device_type |= DT_IIDMA;
1739 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1740 break;
1741 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1742 ha->device_type |= DT_ISP2432;
1743 ha->device_type |= DT_ZIO_SUPPORTED;
1744 ha->device_type |= DT_FWI2;
1745 ha->device_type |= DT_IIDMA;
1746 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1747 break;
1748 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1749 ha->device_type |= DT_ISP8432;
1750 ha->device_type |= DT_ZIO_SUPPORTED;
1751 ha->device_type |= DT_FWI2;
1752 ha->device_type |= DT_IIDMA;
1753 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1754 break;
1755 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1756 ha->device_type |= DT_ISP5422;
1757 ha->device_type |= DT_FWI2;
1758 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1759 break;
1760 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1761 ha->device_type |= DT_ISP5432;
1762 ha->device_type |= DT_FWI2;
1763 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1764 break;
1765 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1766 ha->device_type |= DT_ISP2532;
1767 ha->device_type |= DT_ZIO_SUPPORTED;
1768 ha->device_type |= DT_FWI2;
1769 ha->device_type |= DT_IIDMA;
1770 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1771 break;
1772 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1773 ha->device_type |= DT_ISP8001;
1774 ha->device_type |= DT_ZIO_SUPPORTED;
1775 ha->device_type |= DT_FWI2;
1776 ha->device_type |= DT_IIDMA;
1777 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1778 break;
1779 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1780 ha->device_type |= DT_ISP8021;
1781 ha->device_type |= DT_ZIO_SUPPORTED;
1782 ha->device_type |= DT_FWI2;
1783 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1784 /* Initialize 82XX ISP flags */
1785 qla82xx_init_flags(ha);
1786 break;
1787 }
1788
1789 if (IS_QLA82XX(ha))
1790 ha->port_no = !(ha->portnum & 1);
1791 else
1792 /* Get adapter physical port no from interrupt pin register. */
1793 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1794
1795 if (ha->port_no & 1)
1796 ha->flags.port0 = 1;
1797 else
1798 ha->flags.port0 = 0;
1799 }
1800
1801 static int
1802 qla2x00_iospace_config(struct qla_hw_data *ha)
1803 {
1804 resource_size_t pio;
1805 uint16_t msix;
1806 int cpus;
1807
1808 if (IS_QLA82XX(ha))
1809 return qla82xx_iospace_config(ha);
1810
1811 if (pci_request_selected_regions(ha->pdev, ha->bars,
1812 QLA2XXX_DRIVER_NAME)) {
1813 qla_printk(KERN_WARNING, ha,
1814 "Failed to reserve PIO/MMIO regions (%s)\n",
1815 pci_name(ha->pdev));
1816
1817 goto iospace_error_exit;
1818 }
1819 if (!(ha->bars & 1))
1820 goto skip_pio;
1821
1822 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1823 pio = pci_resource_start(ha->pdev, 0);
1824 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1825 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1826 qla_printk(KERN_WARNING, ha,
1827 "Invalid PCI I/O region size (%s)...\n",
1828 pci_name(ha->pdev));
1829 pio = 0;
1830 }
1831 } else {
1832 qla_printk(KERN_WARNING, ha,
1833 "region #0 not a PIO resource (%s)...\n",
1834 pci_name(ha->pdev));
1835 pio = 0;
1836 }
1837 ha->pio_address = pio;
1838
1839 skip_pio:
1840 /* Use MMIO operations for all accesses. */
1841 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1842 qla_printk(KERN_ERR, ha,
1843 "region #1 not an MMIO resource (%s), aborting\n",
1844 pci_name(ha->pdev));
1845 goto iospace_error_exit;
1846 }
1847 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1848 qla_printk(KERN_ERR, ha,
1849 "Invalid PCI mem region size (%s), aborting\n",
1850 pci_name(ha->pdev));
1851 goto iospace_error_exit;
1852 }
1853
1854 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1855 if (!ha->iobase) {
1856 qla_printk(KERN_ERR, ha,
1857 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1858
1859 goto iospace_error_exit;
1860 }
1861
1862 /* Determine queue resources */
1863 ha->max_req_queues = ha->max_rsp_queues = 1;
1864 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1865 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1866 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1867 goto mqiobase_exit;
1868
1869 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1870 pci_resource_len(ha->pdev, 3));
1871 if (ha->mqiobase) {
1872 /* Read MSIX vector size of the board */
1873 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1874 ha->msix_count = msix;
1875 /* Max queues are bounded by available msix vectors */
1876 /* queue 0 uses two msix vectors */
1877 if (ql2xmultique_tag) {
1878 cpus = num_online_cpus();
1879 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1880 (cpus + 1) : (ha->msix_count - 1);
1881 ha->max_req_queues = 2;
1882 } else if (ql2xmaxqueues > 1) {
1883 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1884 QLA_MQ_SIZE : ql2xmaxqueues;
1885 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1886 " of request queues:%d\n", ha->max_req_queues));
1887 }
1888 qla_printk(KERN_INFO, ha,
1889 "MSI-X vector count: %d\n", msix);
1890 } else
1891 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1892
1893 mqiobase_exit:
1894 ha->msix_count = ha->max_rsp_queues + 1;
1895 return (0);
1896
1897 iospace_error_exit:
1898 return (-ENOMEM);
1899 }
1900
1901 static void
1902 qla2xxx_scan_start(struct Scsi_Host *shost)
1903 {
1904 scsi_qla_host_t *vha = shost_priv(shost);
1905
1906 if (vha->hw->flags.running_gold_fw)
1907 return;
1908
1909 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1910 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1911 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1912 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1913 }
1914
1915 static int
1916 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1917 {
1918 scsi_qla_host_t *vha = shost_priv(shost);
1919
1920 if (!vha->host)
1921 return 1;
1922 if (time > vha->hw->loop_reset_delay * HZ)
1923 return 1;
1924
1925 return atomic_read(&vha->loop_state) == LOOP_READY;
1926 }
1927
1928 /*
1929 * PCI driver interface
1930 */
1931 static int __devinit
1932 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1933 {
1934 int ret = -ENODEV;
1935 struct Scsi_Host *host;
1936 scsi_qla_host_t *base_vha = NULL;
1937 struct qla_hw_data *ha;
1938 char pci_info[30];
1939 char fw_str[30];
1940 struct scsi_host_template *sht;
1941 int bars, max_id, mem_only = 0;
1942 uint16_t req_length = 0, rsp_length = 0;
1943 struct req_que *req = NULL;
1944 struct rsp_que *rsp = NULL;
1945
1946 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1947 sht = &qla2xxx_driver_template;
1948 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1949 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1950 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1951 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1952 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1953 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1954 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1955 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1956 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1957 mem_only = 1;
1958 }
1959
1960 if (mem_only) {
1961 if (pci_enable_device_mem(pdev))
1962 goto probe_out;
1963 } else {
1964 if (pci_enable_device(pdev))
1965 goto probe_out;
1966 }
1967
1968 /* This may fail but that's ok */
1969 pci_enable_pcie_error_reporting(pdev);
1970
1971 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1972 if (!ha) {
1973 DEBUG(printk("Unable to allocate memory for ha\n"));
1974 goto probe_out;
1975 }
1976 ha->pdev = pdev;
1977
1978 /* Clear our data area */
1979 ha->bars = bars;
1980 ha->mem_only = mem_only;
1981 spin_lock_init(&ha->hardware_lock);
1982
1983 /* Set ISP-type information. */
1984 qla2x00_set_isp_flags(ha);
1985
1986 /* Set EEH reset type to fundamental if required by hba */
1987 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1988 pdev->needs_freset = 1;
1989 }
1990
1991 /* Configure PCI I/O space */
1992 ret = qla2x00_iospace_config(ha);
1993 if (ret)
1994 goto probe_hw_failed;
1995
1996 qla_printk(KERN_INFO, ha,
1997 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1998 ha->iobase);
1999
2000 ha->prev_topology = 0;
2001 ha->init_cb_size = sizeof(init_cb_t);
2002 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2003 ha->optrom_size = OPTROM_SIZE_2300;
2004
2005 /* Assign ISP specific operations. */
2006 max_id = MAX_TARGETS_2200;
2007 if (IS_QLA2100(ha)) {
2008 max_id = MAX_TARGETS_2100;
2009 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2010 req_length = REQUEST_ENTRY_CNT_2100;
2011 rsp_length = RESPONSE_ENTRY_CNT_2100;
2012 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2013 ha->gid_list_info_size = 4;
2014 ha->flash_conf_off = ~0;
2015 ha->flash_data_off = ~0;
2016 ha->nvram_conf_off = ~0;
2017 ha->nvram_data_off = ~0;
2018 ha->isp_ops = &qla2100_isp_ops;
2019 } else if (IS_QLA2200(ha)) {
2020 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2021 req_length = REQUEST_ENTRY_CNT_2200;
2022 rsp_length = RESPONSE_ENTRY_CNT_2100;
2023 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2024 ha->gid_list_info_size = 4;
2025 ha->flash_conf_off = ~0;
2026 ha->flash_data_off = ~0;
2027 ha->nvram_conf_off = ~0;
2028 ha->nvram_data_off = ~0;
2029 ha->isp_ops = &qla2100_isp_ops;
2030 } else if (IS_QLA23XX(ha)) {
2031 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2032 req_length = REQUEST_ENTRY_CNT_2200;
2033 rsp_length = RESPONSE_ENTRY_CNT_2300;
2034 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2035 ha->gid_list_info_size = 6;
2036 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2037 ha->optrom_size = OPTROM_SIZE_2322;
2038 ha->flash_conf_off = ~0;
2039 ha->flash_data_off = ~0;
2040 ha->nvram_conf_off = ~0;
2041 ha->nvram_data_off = ~0;
2042 ha->isp_ops = &qla2300_isp_ops;
2043 } else if (IS_QLA24XX_TYPE(ha)) {
2044 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2045 req_length = REQUEST_ENTRY_CNT_24XX;
2046 rsp_length = RESPONSE_ENTRY_CNT_2300;
2047 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2048 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2049 ha->gid_list_info_size = 8;
2050 ha->optrom_size = OPTROM_SIZE_24XX;
2051 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2052 ha->isp_ops = &qla24xx_isp_ops;
2053 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2054 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2055 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2056 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2057 } else if (IS_QLA25XX(ha)) {
2058 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2059 req_length = REQUEST_ENTRY_CNT_24XX;
2060 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2062 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2063 ha->gid_list_info_size = 8;
2064 ha->optrom_size = OPTROM_SIZE_25XX;
2065 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2066 ha->isp_ops = &qla25xx_isp_ops;
2067 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2068 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2069 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2070 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2071 } else if (IS_QLA81XX(ha)) {
2072 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2073 req_length = REQUEST_ENTRY_CNT_24XX;
2074 rsp_length = RESPONSE_ENTRY_CNT_2300;
2075 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2076 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2077 ha->gid_list_info_size = 8;
2078 ha->optrom_size = OPTROM_SIZE_81XX;
2079 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2080 ha->isp_ops = &qla81xx_isp_ops;
2081 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2082 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2083 ha->nvram_conf_off = ~0;
2084 ha->nvram_data_off = ~0;
2085 } else if (IS_QLA82XX(ha)) {
2086 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2087 req_length = REQUEST_ENTRY_CNT_82XX;
2088 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2089 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2090 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2091 ha->gid_list_info_size = 8;
2092 ha->optrom_size = OPTROM_SIZE_82XX;
2093 ha->isp_ops = &qla82xx_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 }
2099
2100 mutex_init(&ha->vport_lock);
2101 init_completion(&ha->mbx_cmd_comp);
2102 complete(&ha->mbx_cmd_comp);
2103 init_completion(&ha->mbx_intr_comp);
2104 init_completion(&ha->dcbx_comp);
2105
2106 set_bit(0, (unsigned long *) ha->vp_idx_map);
2107
2108 qla2x00_config_dma_addressing(ha);
2109 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2110 if (!ret) {
2111 qla_printk(KERN_WARNING, ha,
2112 "[ERROR] Failed to allocate memory for adapter\n");
2113
2114 goto probe_hw_failed;
2115 }
2116
2117 req->max_q_depth = MAX_Q_DEPTH;
2118 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2119 req->max_q_depth = ql2xmaxqdepth;
2120
2121
2122 base_vha = qla2x00_create_host(sht, ha);
2123 if (!base_vha) {
2124 qla_printk(KERN_WARNING, ha,
2125 "[ERROR] Failed to allocate memory for scsi_host\n");
2126
2127 ret = -ENOMEM;
2128 qla2x00_mem_free(ha);
2129 qla2x00_free_req_que(ha, req);
2130 qla2x00_free_rsp_que(ha, rsp);
2131 goto probe_hw_failed;
2132 }
2133
2134 pci_set_drvdata(pdev, base_vha);
2135
2136 host = base_vha->host;
2137 base_vha->req = req;
2138 host->can_queue = req->length + 128;
2139 if (IS_QLA2XXX_MIDTYPE(ha))
2140 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2141 else
2142 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2143 base_vha->vp_idx;
2144 if (IS_QLA2100(ha))
2145 host->sg_tablesize = 32;
2146 host->max_id = max_id;
2147 host->this_id = 255;
2148 host->cmd_per_lun = 3;
2149 host->unique_id = host->host_no;
2150 host->max_cmd_len = MAX_CMDSZ;
2151 host->max_channel = MAX_BUSES - 1;
2152 host->max_lun = MAX_LUNS;
2153 host->transportt = qla2xxx_transport_template;
2154 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2155
2156 /* Set up the irqs */
2157 ret = qla2x00_request_irqs(ha, rsp);
2158 if (ret)
2159 goto probe_init_failed;
2160
2161 pci_save_state(pdev);
2162
2163 /* Alloc arrays of request and response ring ptrs */
2164 que_init:
2165 if (!qla2x00_alloc_queues(ha)) {
2166 qla_printk(KERN_WARNING, ha,
2167 "[ERROR] Failed to allocate memory for queue"
2168 " pointers\n");
2169 goto probe_init_failed;
2170 }
2171
2172 ha->rsp_q_map[0] = rsp;
2173 ha->req_q_map[0] = req;
2174 rsp->req = req;
2175 req->rsp = rsp;
2176 set_bit(0, ha->req_qid_map);
2177 set_bit(0, ha->rsp_qid_map);
2178 /* FWI2-capable only. */
2179 req->req_q_in = &ha->iobase->isp24.req_q_in;
2180 req->req_q_out = &ha->iobase->isp24.req_q_out;
2181 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2182 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2183 if (ha->mqenable) {
2184 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2185 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2186 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2187 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2188 }
2189
2190 if (IS_QLA82XX(ha)) {
2191 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2192 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2193 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2194 }
2195
2196 if (qla2x00_initialize_adapter(base_vha)) {
2197 qla_printk(KERN_WARNING, ha,
2198 "Failed to initialize adapter\n");
2199
2200 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2201 "Adapter flags %x.\n",
2202 base_vha->host_no, base_vha->device_flags));
2203
2204 if (IS_QLA82XX(ha)) {
2205 qla82xx_idc_lock(ha);
2206 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2207 QLA82XX_DEV_FAILED);
2208 qla82xx_idc_unlock(ha);
2209 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2210 }
2211
2212 ret = -ENODEV;
2213 goto probe_failed;
2214 }
2215
2216 if (ha->mqenable) {
2217 if (qla25xx_setup_mode(base_vha)) {
2218 qla_printk(KERN_WARNING, ha,
2219 "Can't create queues, falling back to single"
2220 " queue mode\n");
2221 goto que_init;
2222 }
2223 }
2224
2225 if (ha->flags.running_gold_fw)
2226 goto skip_dpc;
2227
2228 /*
2229 * Startup the kernel thread for this host adapter
2230 */
2231 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2232 "%s_dpc", base_vha->host_str);
2233 if (IS_ERR(ha->dpc_thread)) {
2234 qla_printk(KERN_WARNING, ha,
2235 "Unable to start DPC thread!\n");
2236 ret = PTR_ERR(ha->dpc_thread);
2237 goto probe_failed;
2238 }
2239
2240 skip_dpc:
2241 list_add_tail(&base_vha->list, &ha->vp_list);
2242 base_vha->host->irq = ha->pdev->irq;
2243
2244 /* Initialized the timer */
2245 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2246
2247 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2248 base_vha->host_no, ha));
2249
2250 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2251 if (ha->fw_attributes & BIT_4) {
2252 base_vha->flags.difdix_supported = 1;
2253 DEBUG18(qla_printk(KERN_INFO, ha,
2254 "Registering for DIF/DIX type 1 and 3"
2255 " protection.\n"));
2256 scsi_host_set_prot(host,
2257 SHOST_DIF_TYPE1_PROTECTION
2258 | SHOST_DIF_TYPE3_PROTECTION
2259 | SHOST_DIX_TYPE1_PROTECTION
2260 | SHOST_DIX_TYPE3_PROTECTION);
2261 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2262 } else
2263 base_vha->flags.difdix_supported = 0;
2264 }
2265
2266 ha->isp_ops->enable_intrs(ha);
2267
2268 ret = scsi_add_host(host, &pdev->dev);
2269 if (ret)
2270 goto probe_failed;
2271
2272 base_vha->flags.init_done = 1;
2273 base_vha->flags.online = 1;
2274
2275 scsi_scan_host(host);
2276
2277 qla2x00_alloc_sysfs_attr(base_vha);
2278
2279 qla2x00_init_host_attr(base_vha);
2280
2281 qla2x00_dfs_setup(base_vha);
2282
2283 qla_printk(KERN_INFO, ha, "\n"
2284 " QLogic Fibre Channel HBA Driver: %s\n"
2285 " QLogic %s - %s\n"
2286 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2287 qla2x00_version_str, ha->model_number,
2288 ha->model_desc ? ha->model_desc : "", pdev->device,
2289 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2290 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2291 ha->isp_ops->fw_version_str(base_vha, fw_str));
2292
2293 return 0;
2294
2295 probe_init_failed:
2296 qla2x00_free_req_que(ha, req);
2297 qla2x00_free_rsp_que(ha, rsp);
2298 ha->max_req_queues = ha->max_rsp_queues = 0;
2299
2300 probe_failed:
2301 if (base_vha->timer_active)
2302 qla2x00_stop_timer(base_vha);
2303 base_vha->flags.online = 0;
2304 if (ha->dpc_thread) {
2305 struct task_struct *t = ha->dpc_thread;
2306
2307 ha->dpc_thread = NULL;
2308 kthread_stop(t);
2309 }
2310
2311 qla2x00_free_device(base_vha);
2312
2313 scsi_host_put(base_vha->host);
2314
2315 probe_hw_failed:
2316 if (IS_QLA82XX(ha)) {
2317 qla82xx_idc_lock(ha);
2318 qla82xx_clear_drv_active(ha);
2319 qla82xx_idc_unlock(ha);
2320 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2321 if (!ql2xdbwr)
2322 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2323 } else {
2324 if (ha->iobase)
2325 iounmap(ha->iobase);
2326 }
2327 pci_release_selected_regions(ha->pdev, ha->bars);
2328 kfree(ha);
2329 ha = NULL;
2330
2331 probe_out:
2332 pci_disable_device(pdev);
2333 return ret;
2334 }
2335
2336 static void
2337 qla2x00_remove_one(struct pci_dev *pdev)
2338 {
2339 scsi_qla_host_t *base_vha, *vha, *temp;
2340 struct qla_hw_data *ha;
2341
2342 base_vha = pci_get_drvdata(pdev);
2343 ha = base_vha->hw;
2344
2345 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2346 if (vha && vha->fc_vport)
2347 fc_vport_terminate(vha->fc_vport);
2348 }
2349
2350 set_bit(UNLOADING, &base_vha->dpc_flags);
2351
2352 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2353
2354 qla2x00_dfs_remove(base_vha);
2355
2356 qla84xx_put_chip(base_vha);
2357
2358 /* Disable timer */
2359 if (base_vha->timer_active)
2360 qla2x00_stop_timer(base_vha);
2361
2362 base_vha->flags.online = 0;
2363
2364 /* Flush the work queue and remove it */
2365 if (ha->wq) {
2366 flush_workqueue(ha->wq);
2367 destroy_workqueue(ha->wq);
2368 ha->wq = NULL;
2369 }
2370
2371 /* Kill the kernel thread for this host */
2372 if (ha->dpc_thread) {
2373 struct task_struct *t = ha->dpc_thread;
2374
2375 /*
2376 * qla2xxx_wake_dpc checks for ->dpc_thread
2377 * so we need to zero it out.
2378 */
2379 ha->dpc_thread = NULL;
2380 kthread_stop(t);
2381 }
2382
2383 qla2x00_free_sysfs_attr(base_vha);
2384
2385 fc_remove_host(base_vha->host);
2386
2387 scsi_remove_host(base_vha->host);
2388
2389 qla2x00_free_device(base_vha);
2390
2391 scsi_host_put(base_vha->host);
2392
2393 if (IS_QLA82XX(ha)) {
2394 qla82xx_idc_lock(ha);
2395 qla82xx_clear_drv_active(ha);
2396 qla82xx_idc_unlock(ha);
2397
2398 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2399 if (!ql2xdbwr)
2400 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2401 } else {
2402 if (ha->iobase)
2403 iounmap(ha->iobase);
2404
2405 if (ha->mqiobase)
2406 iounmap(ha->mqiobase);
2407 }
2408
2409 pci_release_selected_regions(ha->pdev, ha->bars);
2410 kfree(ha);
2411 ha = NULL;
2412
2413 pci_disable_pcie_error_reporting(pdev);
2414
2415 pci_disable_device(pdev);
2416 pci_set_drvdata(pdev, NULL);
2417 }
2418
2419 static void
2420 qla2x00_free_device(scsi_qla_host_t *vha)
2421 {
2422 struct qla_hw_data *ha = vha->hw;
2423
2424 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2425
2426 /* Disable timer */
2427 if (vha->timer_active)
2428 qla2x00_stop_timer(vha);
2429
2430 /* Kill the kernel thread for this host */
2431 if (ha->dpc_thread) {
2432 struct task_struct *t = ha->dpc_thread;
2433
2434 /*
2435 * qla2xxx_wake_dpc checks for ->dpc_thread
2436 * so we need to zero it out.
2437 */
2438 ha->dpc_thread = NULL;
2439 kthread_stop(t);
2440 }
2441
2442 qla25xx_delete_queues(vha);
2443
2444 if (ha->flags.fce_enabled)
2445 qla2x00_disable_fce_trace(vha, NULL, NULL);
2446
2447 if (ha->eft)
2448 qla2x00_disable_eft_trace(vha);
2449
2450 /* Stop currently executing firmware. */
2451 qla2x00_try_to_stop_firmware(vha);
2452
2453 vha->flags.online = 0;
2454
2455 /* turn-off interrupts on the card */
2456 if (ha->interrupts_on) {
2457 vha->flags.init_done = 0;
2458 ha->isp_ops->disable_intrs(ha);
2459 }
2460
2461 qla2x00_free_irqs(vha);
2462
2463 qla2x00_free_fcports(vha);
2464
2465 qla2x00_mem_free(ha);
2466
2467 qla2x00_free_queues(ha);
2468 }
2469
2470 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2471 {
2472 fc_port_t *fcport, *tfcport;
2473
2474 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2475 list_del(&fcport->list);
2476 kfree(fcport);
2477 fcport = NULL;
2478 }
2479 }
2480
2481 static inline void
2482 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2483 int defer)
2484 {
2485 struct fc_rport *rport;
2486 scsi_qla_host_t *base_vha;
2487
2488 if (!fcport->rport)
2489 return;
2490
2491 rport = fcport->rport;
2492 if (defer) {
2493 base_vha = pci_get_drvdata(vha->hw->pdev);
2494 spin_lock_irq(vha->host->host_lock);
2495 fcport->drport = rport;
2496 spin_unlock_irq(vha->host->host_lock);
2497 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2498 qla2xxx_wake_dpc(base_vha);
2499 } else
2500 fc_remote_port_delete(rport);
2501 }
2502
2503 /*
2504 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2505 *
2506 * Input: ha = adapter block pointer. fcport = port structure pointer.
2507 *
2508 * Return: None.
2509 *
2510 * Context:
2511 */
2512 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2513 int do_login, int defer)
2514 {
2515 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2516 vha->vp_idx == fcport->vp_idx) {
2517 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2518 qla2x00_schedule_rport_del(vha, fcport, defer);
2519 }
2520 /*
2521 * We may need to retry the login, so don't change the state of the
2522 * port but do the retries.
2523 */
2524 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2525 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2526
2527 if (!do_login)
2528 return;
2529
2530 if (fcport->login_retry == 0) {
2531 fcport->login_retry = vha->hw->login_retry_count;
2532 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2533
2534 DEBUG(printk("scsi(%ld): Port login retry: "
2535 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2536 "id = 0x%04x retry cnt=%d\n",
2537 vha->host_no,
2538 fcport->port_name[0],
2539 fcport->port_name[1],
2540 fcport->port_name[2],
2541 fcport->port_name[3],
2542 fcport->port_name[4],
2543 fcport->port_name[5],
2544 fcport->port_name[6],
2545 fcport->port_name[7],
2546 fcport->loop_id,
2547 fcport->login_retry));
2548 }
2549 }
2550
2551 /*
2552 * qla2x00_mark_all_devices_lost
2553 * Updates fcport state when device goes offline.
2554 *
2555 * Input:
2556 * ha = adapter block pointer.
2557 * fcport = port structure pointer.
2558 *
2559 * Return:
2560 * None.
2561 *
2562 * Context:
2563 */
2564 void
2565 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2566 {
2567 fc_port_t *fcport;
2568
2569 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2570 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2571 continue;
2572
2573 /*
2574 * No point in marking the device as lost, if the device is
2575 * already DEAD.
2576 */
2577 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2578 continue;
2579 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2580 if (defer)
2581 qla2x00_schedule_rport_del(vha, fcport, defer);
2582 else if (vha->vp_idx == fcport->vp_idx)
2583 qla2x00_schedule_rport_del(vha, fcport, defer);
2584 }
2585 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2586 }
2587 }
2588
2589 /*
2590 * qla2x00_mem_alloc
2591 * Allocates adapter memory.
2592 *
2593 * Returns:
2594 * 0 = success.
2595 * !0 = failure.
2596 */
2597 static int
2598 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2599 struct req_que **req, struct rsp_que **rsp)
2600 {
2601 char name[16];
2602
2603 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2604 &ha->init_cb_dma, GFP_KERNEL);
2605 if (!ha->init_cb)
2606 goto fail;
2607
2608 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2609 &ha->gid_list_dma, GFP_KERNEL);
2610 if (!ha->gid_list)
2611 goto fail_free_init_cb;
2612
2613 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2614 if (!ha->srb_mempool)
2615 goto fail_free_gid_list;
2616
2617 if (IS_QLA82XX(ha)) {
2618 /* Allocate cache for CT6 Ctx. */
2619 if (!ctx_cachep) {
2620 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2621 sizeof(struct ct6_dsd), 0,
2622 SLAB_HWCACHE_ALIGN, NULL);
2623 if (!ctx_cachep)
2624 goto fail_free_gid_list;
2625 }
2626 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2627 ctx_cachep);
2628 if (!ha->ctx_mempool)
2629 goto fail_free_srb_mempool;
2630 }
2631
2632 /* Get memory for cached NVRAM */
2633 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2634 if (!ha->nvram)
2635 goto fail_free_ctx_mempool;
2636
2637 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2638 ha->pdev->device);
2639 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2640 DMA_POOL_SIZE, 8, 0);
2641 if (!ha->s_dma_pool)
2642 goto fail_free_nvram;
2643
2644 if (IS_QLA82XX(ha) || ql2xenabledif) {
2645 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2646 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2647 if (!ha->dl_dma_pool) {
2648 qla_printk(KERN_WARNING, ha,
2649 "Memory Allocation failed - dl_dma_pool\n");
2650 goto fail_s_dma_pool;
2651 }
2652
2653 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2654 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2655 if (!ha->fcp_cmnd_dma_pool) {
2656 qla_printk(KERN_WARNING, ha,
2657 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2658 goto fail_dl_dma_pool;
2659 }
2660 }
2661
2662 /* Allocate memory for SNS commands */
2663 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2664 /* Get consistent memory allocated for SNS commands */
2665 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2666 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2667 if (!ha->sns_cmd)
2668 goto fail_dma_pool;
2669 } else {
2670 /* Get consistent memory allocated for MS IOCB */
2671 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2672 &ha->ms_iocb_dma);
2673 if (!ha->ms_iocb)
2674 goto fail_dma_pool;
2675 /* Get consistent memory allocated for CT SNS commands */
2676 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2677 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2678 if (!ha->ct_sns)
2679 goto fail_free_ms_iocb;
2680 }
2681
2682 /* Allocate memory for request ring */
2683 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2684 if (!*req) {
2685 DEBUG(printk("Unable to allocate memory for req\n"));
2686 goto fail_req;
2687 }
2688 (*req)->length = req_len;
2689 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2690 ((*req)->length + 1) * sizeof(request_t),
2691 &(*req)->dma, GFP_KERNEL);
2692 if (!(*req)->ring) {
2693 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2694 goto fail_req_ring;
2695 }
2696 /* Allocate memory for response ring */
2697 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2698 if (!*rsp) {
2699 qla_printk(KERN_WARNING, ha,
2700 "Unable to allocate memory for rsp\n");
2701 goto fail_rsp;
2702 }
2703 (*rsp)->hw = ha;
2704 (*rsp)->length = rsp_len;
2705 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2706 ((*rsp)->length + 1) * sizeof(response_t),
2707 &(*rsp)->dma, GFP_KERNEL);
2708 if (!(*rsp)->ring) {
2709 qla_printk(KERN_WARNING, ha,
2710 "Unable to allocate memory for rsp_ring\n");
2711 goto fail_rsp_ring;
2712 }
2713 (*req)->rsp = *rsp;
2714 (*rsp)->req = *req;
2715 /* Allocate memory for NVRAM data for vports */
2716 if (ha->nvram_npiv_size) {
2717 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2718 ha->nvram_npiv_size, GFP_KERNEL);
2719 if (!ha->npiv_info) {
2720 qla_printk(KERN_WARNING, ha,
2721 "Unable to allocate memory for npiv info\n");
2722 goto fail_npiv_info;
2723 }
2724 } else
2725 ha->npiv_info = NULL;
2726
2727 /* Get consistent memory allocated for EX-INIT-CB. */
2728 if (IS_QLA8XXX_TYPE(ha)) {
2729 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2730 &ha->ex_init_cb_dma);
2731 if (!ha->ex_init_cb)
2732 goto fail_ex_init_cb;
2733 }
2734
2735 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2736
2737 /* Get consistent memory allocated for Async Port-Database. */
2738 if (!IS_FWI2_CAPABLE(ha)) {
2739 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2740 &ha->async_pd_dma);
2741 if (!ha->async_pd)
2742 goto fail_async_pd;
2743 }
2744
2745 INIT_LIST_HEAD(&ha->vp_list);
2746 return 1;
2747
2748 fail_async_pd:
2749 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2750 fail_ex_init_cb:
2751 kfree(ha->npiv_info);
2752 fail_npiv_info:
2753 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2754 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2755 (*rsp)->ring = NULL;
2756 (*rsp)->dma = 0;
2757 fail_rsp_ring:
2758 kfree(*rsp);
2759 fail_rsp:
2760 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2761 sizeof(request_t), (*req)->ring, (*req)->dma);
2762 (*req)->ring = NULL;
2763 (*req)->dma = 0;
2764 fail_req_ring:
2765 kfree(*req);
2766 fail_req:
2767 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2768 ha->ct_sns, ha->ct_sns_dma);
2769 ha->ct_sns = NULL;
2770 ha->ct_sns_dma = 0;
2771 fail_free_ms_iocb:
2772 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2773 ha->ms_iocb = NULL;
2774 ha->ms_iocb_dma = 0;
2775 fail_dma_pool:
2776 if (IS_QLA82XX(ha) || ql2xenabledif) {
2777 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2778 ha->fcp_cmnd_dma_pool = NULL;
2779 }
2780 fail_dl_dma_pool:
2781 if (IS_QLA82XX(ha) || ql2xenabledif) {
2782 dma_pool_destroy(ha->dl_dma_pool);
2783 ha->dl_dma_pool = NULL;
2784 }
2785 fail_s_dma_pool:
2786 dma_pool_destroy(ha->s_dma_pool);
2787 ha->s_dma_pool = NULL;
2788 fail_free_nvram:
2789 kfree(ha->nvram);
2790 ha->nvram = NULL;
2791 fail_free_ctx_mempool:
2792 mempool_destroy(ha->ctx_mempool);
2793 ha->ctx_mempool = NULL;
2794 fail_free_srb_mempool:
2795 mempool_destroy(ha->srb_mempool);
2796 ha->srb_mempool = NULL;
2797 fail_free_gid_list:
2798 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2799 ha->gid_list_dma);
2800 ha->gid_list = NULL;
2801 ha->gid_list_dma = 0;
2802 fail_free_init_cb:
2803 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2804 ha->init_cb_dma);
2805 ha->init_cb = NULL;
2806 ha->init_cb_dma = 0;
2807 fail:
2808 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2809 return -ENOMEM;
2810 }
2811
2812 /*
2813 * qla2x00_mem_free
2814 * Frees all adapter allocated memory.
2815 *
2816 * Input:
2817 * ha = adapter block pointer.
2818 */
2819 static void
2820 qla2x00_mem_free(struct qla_hw_data *ha)
2821 {
2822 if (ha->srb_mempool)
2823 mempool_destroy(ha->srb_mempool);
2824
2825 if (ha->fce)
2826 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2827 ha->fce_dma);
2828
2829 if (ha->fw_dump) {
2830 if (ha->eft)
2831 dma_free_coherent(&ha->pdev->dev,
2832 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2833 vfree(ha->fw_dump);
2834 }
2835
2836 if (ha->dcbx_tlv)
2837 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2838 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2839
2840 if (ha->xgmac_data)
2841 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2842 ha->xgmac_data, ha->xgmac_data_dma);
2843
2844 if (ha->sns_cmd)
2845 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2846 ha->sns_cmd, ha->sns_cmd_dma);
2847
2848 if (ha->ct_sns)
2849 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2850 ha->ct_sns, ha->ct_sns_dma);
2851
2852 if (ha->sfp_data)
2853 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2854
2855 if (ha->edc_data)
2856 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2857
2858 if (ha->ms_iocb)
2859 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2860
2861 if (ha->ex_init_cb)
2862 dma_pool_free(ha->s_dma_pool,
2863 ha->ex_init_cb, ha->ex_init_cb_dma);
2864
2865 if (ha->async_pd)
2866 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2867
2868 if (ha->s_dma_pool)
2869 dma_pool_destroy(ha->s_dma_pool);
2870
2871 if (ha->gid_list)
2872 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2873 ha->gid_list_dma);
2874
2875 if (IS_QLA82XX(ha)) {
2876 if (!list_empty(&ha->gbl_dsd_list)) {
2877 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2878
2879 /* clean up allocated prev pool */
2880 list_for_each_entry_safe(dsd_ptr,
2881 tdsd_ptr, &ha->gbl_dsd_list, list) {
2882 dma_pool_free(ha->dl_dma_pool,
2883 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2884 list_del(&dsd_ptr->list);
2885 kfree(dsd_ptr);
2886 }
2887 }
2888 }
2889
2890 if (ha->dl_dma_pool)
2891 dma_pool_destroy(ha->dl_dma_pool);
2892
2893 if (ha->fcp_cmnd_dma_pool)
2894 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2895
2896 if (ha->ctx_mempool)
2897 mempool_destroy(ha->ctx_mempool);
2898
2899 if (ha->init_cb)
2900 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2901 ha->init_cb, ha->init_cb_dma);
2902 vfree(ha->optrom_buffer);
2903 kfree(ha->nvram);
2904 kfree(ha->npiv_info);
2905
2906 ha->srb_mempool = NULL;
2907 ha->ctx_mempool = NULL;
2908 ha->eft = NULL;
2909 ha->eft_dma = 0;
2910 ha->sns_cmd = NULL;
2911 ha->sns_cmd_dma = 0;
2912 ha->ct_sns = NULL;
2913 ha->ct_sns_dma = 0;
2914 ha->ms_iocb = NULL;
2915 ha->ms_iocb_dma = 0;
2916 ha->init_cb = NULL;
2917 ha->init_cb_dma = 0;
2918 ha->ex_init_cb = NULL;
2919 ha->ex_init_cb_dma = 0;
2920 ha->async_pd = NULL;
2921 ha->async_pd_dma = 0;
2922
2923 ha->s_dma_pool = NULL;
2924 ha->dl_dma_pool = NULL;
2925 ha->fcp_cmnd_dma_pool = NULL;
2926
2927 ha->gid_list = NULL;
2928 ha->gid_list_dma = 0;
2929
2930 ha->fw_dump = NULL;
2931 ha->fw_dumped = 0;
2932 ha->fw_dump_reading = 0;
2933 }
2934
2935 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2936 struct qla_hw_data *ha)
2937 {
2938 struct Scsi_Host *host;
2939 struct scsi_qla_host *vha = NULL;
2940
2941 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2942 if (host == NULL) {
2943 printk(KERN_WARNING
2944 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2945 goto fail;
2946 }
2947
2948 /* Clear our data area */
2949 vha = shost_priv(host);
2950 memset(vha, 0, sizeof(scsi_qla_host_t));
2951
2952 vha->host = host;
2953 vha->host_no = host->host_no;
2954 vha->hw = ha;
2955
2956 INIT_LIST_HEAD(&vha->vp_fcports);
2957 INIT_LIST_HEAD(&vha->work_list);
2958 INIT_LIST_HEAD(&vha->list);
2959
2960 spin_lock_init(&vha->work_lock);
2961
2962 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2963 return vha;
2964
2965 fail:
2966 return vha;
2967 }
2968
2969 static struct qla_work_evt *
2970 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2971 {
2972 struct qla_work_evt *e;
2973
2974 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2975 if (!e)
2976 return NULL;
2977
2978 INIT_LIST_HEAD(&e->list);
2979 e->type = type;
2980 e->flags = QLA_EVT_FLAG_FREE;
2981 return e;
2982 }
2983
2984 static int
2985 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
2986 {
2987 unsigned long flags;
2988
2989 spin_lock_irqsave(&vha->work_lock, flags);
2990 list_add_tail(&e->list, &vha->work_list);
2991 spin_unlock_irqrestore(&vha->work_lock, flags);
2992 qla2xxx_wake_dpc(vha);
2993
2994 return QLA_SUCCESS;
2995 }
2996
2997 int
2998 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
2999 u32 data)
3000 {
3001 struct qla_work_evt *e;
3002
3003 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3004 if (!e)
3005 return QLA_FUNCTION_FAILED;
3006
3007 e->u.aen.code = code;
3008 e->u.aen.data = data;
3009 return qla2x00_post_work(vha, e);
3010 }
3011
3012 int
3013 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3014 {
3015 struct qla_work_evt *e;
3016
3017 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3018 if (!e)
3019 return QLA_FUNCTION_FAILED;
3020
3021 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3022 return qla2x00_post_work(vha, e);
3023 }
3024
3025 #define qla2x00_post_async_work(name, type) \
3026 int qla2x00_post_async_##name##_work( \
3027 struct scsi_qla_host *vha, \
3028 fc_port_t *fcport, uint16_t *data) \
3029 { \
3030 struct qla_work_evt *e; \
3031 \
3032 e = qla2x00_alloc_work(vha, type); \
3033 if (!e) \
3034 return QLA_FUNCTION_FAILED; \
3035 \
3036 e->u.logio.fcport = fcport; \
3037 if (data) { \
3038 e->u.logio.data[0] = data[0]; \
3039 e->u.logio.data[1] = data[1]; \
3040 } \
3041 return qla2x00_post_work(vha, e); \
3042 }
3043
3044 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3045 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3046 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3047 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3048 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3049 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3050
3051 int
3052 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3053 {
3054 struct qla_work_evt *e;
3055
3056 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3057 if (!e)
3058 return QLA_FUNCTION_FAILED;
3059
3060 e->u.uevent.code = code;
3061 return qla2x00_post_work(vha, e);
3062 }
3063
3064 static void
3065 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3066 {
3067 char event_string[40];
3068 char *envp[] = { event_string, NULL };
3069
3070 switch (code) {
3071 case QLA_UEVENT_CODE_FW_DUMP:
3072 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3073 vha->host_no);
3074 break;
3075 default:
3076 /* do nothing */
3077 break;
3078 }
3079 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3080 }
3081
3082 void
3083 qla2x00_do_work(struct scsi_qla_host *vha)
3084 {
3085 struct qla_work_evt *e, *tmp;
3086 unsigned long flags;
3087 LIST_HEAD(work);
3088
3089 spin_lock_irqsave(&vha->work_lock, flags);
3090 list_splice_init(&vha->work_list, &work);
3091 spin_unlock_irqrestore(&vha->work_lock, flags);
3092
3093 list_for_each_entry_safe(e, tmp, &work, list) {
3094 list_del_init(&e->list);
3095
3096 switch (e->type) {
3097 case QLA_EVT_AEN:
3098 fc_host_post_event(vha->host, fc_get_event_number(),
3099 e->u.aen.code, e->u.aen.data);
3100 break;
3101 case QLA_EVT_IDC_ACK:
3102 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3103 break;
3104 case QLA_EVT_ASYNC_LOGIN:
3105 qla2x00_async_login(vha, e->u.logio.fcport,
3106 e->u.logio.data);
3107 break;
3108 case QLA_EVT_ASYNC_LOGIN_DONE:
3109 qla2x00_async_login_done(vha, e->u.logio.fcport,
3110 e->u.logio.data);
3111 break;
3112 case QLA_EVT_ASYNC_LOGOUT:
3113 qla2x00_async_logout(vha, e->u.logio.fcport);
3114 break;
3115 case QLA_EVT_ASYNC_LOGOUT_DONE:
3116 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3117 e->u.logio.data);
3118 break;
3119 case QLA_EVT_ASYNC_ADISC:
3120 qla2x00_async_adisc(vha, e->u.logio.fcport,
3121 e->u.logio.data);
3122 break;
3123 case QLA_EVT_ASYNC_ADISC_DONE:
3124 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3125 e->u.logio.data);
3126 break;
3127 case QLA_EVT_UEVENT:
3128 qla2x00_uevent_emit(vha, e->u.uevent.code);
3129 break;
3130 }
3131 if (e->flags & QLA_EVT_FLAG_FREE)
3132 kfree(e);
3133 }
3134 }
3135
3136 /* Relogins all the fcports of a vport
3137 * Context: dpc thread
3138 */
3139 void qla2x00_relogin(struct scsi_qla_host *vha)
3140 {
3141 fc_port_t *fcport;
3142 int status;
3143 uint16_t next_loopid = 0;
3144 struct qla_hw_data *ha = vha->hw;
3145 uint16_t data[2];
3146
3147 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3148 /*
3149 * If the port is not ONLINE then try to login
3150 * to it if we haven't run out of retries.
3151 */
3152 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3153 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3154 fcport->login_retry--;
3155 if (fcport->flags & FCF_FABRIC_DEVICE) {
3156 if (fcport->flags & FCF_FCP2_DEVICE)
3157 ha->isp_ops->fabric_logout(vha,
3158 fcport->loop_id,
3159 fcport->d_id.b.domain,
3160 fcport->d_id.b.area,
3161 fcport->d_id.b.al_pa);
3162
3163 if (IS_ALOGIO_CAPABLE(ha)) {
3164 fcport->flags |= FCF_ASYNC_SENT;
3165 data[0] = 0;
3166 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3167 status = qla2x00_post_async_login_work(
3168 vha, fcport, data);
3169 if (status == QLA_SUCCESS)
3170 continue;
3171 /* Attempt a retry. */
3172 status = 1;
3173 } else
3174 status = qla2x00_fabric_login(vha,
3175 fcport, &next_loopid);
3176 } else
3177 status = qla2x00_local_device_login(vha,
3178 fcport);
3179
3180 if (status == QLA_SUCCESS) {
3181 fcport->old_loop_id = fcport->loop_id;
3182
3183 DEBUG(printk("scsi(%ld): port login OK: logged "
3184 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3185
3186 qla2x00_update_fcport(vha, fcport);
3187
3188 } else if (status == 1) {
3189 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3190 /* retry the login again */
3191 DEBUG(printk("scsi(%ld): Retrying"
3192 " %d login again loop_id 0x%x\n",
3193 vha->host_no, fcport->login_retry,
3194 fcport->loop_id));
3195 } else {
3196 fcport->login_retry = 0;
3197 }
3198
3199 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3200 fcport->loop_id = FC_NO_LOOP_ID;
3201 }
3202 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3203 break;
3204 }
3205 }
3206
3207 /**************************************************************************
3208 * qla2x00_do_dpc
3209 * This kernel thread is a task that is schedule by the interrupt handler
3210 * to perform the background processing for interrupts.
3211 *
3212 * Notes:
3213 * This task always run in the context of a kernel thread. It
3214 * is kick-off by the driver's detect code and starts up
3215 * up one per adapter. It immediately goes to sleep and waits for
3216 * some fibre event. When either the interrupt handler or
3217 * the timer routine detects a event it will one of the task
3218 * bits then wake us up.
3219 **************************************************************************/
3220 static int
3221 qla2x00_do_dpc(void *data)
3222 {
3223 int rval;
3224 scsi_qla_host_t *base_vha;
3225 struct qla_hw_data *ha;
3226
3227 ha = (struct qla_hw_data *)data;
3228 base_vha = pci_get_drvdata(ha->pdev);
3229
3230 set_user_nice(current, -20);
3231
3232 while (!kthread_should_stop()) {
3233 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3234
3235 set_current_state(TASK_INTERRUPTIBLE);
3236 schedule();
3237 __set_current_state(TASK_RUNNING);
3238
3239 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3240
3241 /* Initialization not yet finished. Don't do anything yet. */
3242 if (!base_vha->flags.init_done)
3243 continue;
3244
3245 if (ha->flags.eeh_busy) {
3246 DEBUG17(qla_printk(KERN_WARNING, ha,
3247 "qla2x00_do_dpc: dpc_flags: %lx\n",
3248 base_vha->dpc_flags));
3249 continue;
3250 }
3251
3252 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3253
3254 ha->dpc_active = 1;
3255
3256 if (ha->flags.mbox_busy) {
3257 ha->dpc_active = 0;
3258 continue;
3259 }
3260
3261 qla2x00_do_work(base_vha);
3262
3263 if (IS_QLA82XX(ha)) {
3264 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3265 &base_vha->dpc_flags)) {
3266 qla82xx_idc_lock(ha);
3267 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3268 QLA82XX_DEV_FAILED);
3269 qla82xx_idc_unlock(ha);
3270 qla_printk(KERN_INFO, ha,
3271 "HW State: FAILED\n");
3272 qla82xx_device_state_handler(base_vha);
3273 continue;
3274 }
3275
3276 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3277 &base_vha->dpc_flags)) {
3278
3279 DEBUG(printk(KERN_INFO
3280 "scsi(%ld): dpc: sched "
3281 "qla82xx_fcoe_ctx_reset ha = %p\n",
3282 base_vha->host_no, ha));
3283 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3284 &base_vha->dpc_flags))) {
3285 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3286 /* FCoE-ctx reset failed.
3287 * Escalate to chip-reset
3288 */
3289 set_bit(ISP_ABORT_NEEDED,
3290 &base_vha->dpc_flags);
3291 }
3292 clear_bit(ABORT_ISP_ACTIVE,
3293 &base_vha->dpc_flags);
3294 }
3295
3296 DEBUG(printk("scsi(%ld): dpc:"
3297 " qla82xx_fcoe_ctx_reset end\n",
3298 base_vha->host_no));
3299 }
3300 }
3301
3302 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3303 &base_vha->dpc_flags)) {
3304
3305 DEBUG(printk("scsi(%ld): dpc: sched "
3306 "qla2x00_abort_isp ha = %p\n",
3307 base_vha->host_no, ha));
3308 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3309 &base_vha->dpc_flags))) {
3310
3311 if (ha->isp_ops->abort_isp(base_vha)) {
3312 /* failed. retry later */
3313 set_bit(ISP_ABORT_NEEDED,
3314 &base_vha->dpc_flags);
3315 }
3316 clear_bit(ABORT_ISP_ACTIVE,
3317 &base_vha->dpc_flags);
3318 }
3319
3320 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3321 base_vha->host_no));
3322 }
3323
3324 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3325 qla2x00_update_fcports(base_vha);
3326 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3327 }
3328
3329 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3330 &base_vha->dpc_flags) &&
3331 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3332
3333 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3334 base_vha->host_no));
3335
3336 qla2x00_rst_aen(base_vha);
3337 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3338 }
3339
3340 /* Retry each device up to login retry count */
3341 if ((test_and_clear_bit(RELOGIN_NEEDED,
3342 &base_vha->dpc_flags)) &&
3343 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3344 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3345
3346 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3347 base_vha->host_no));
3348 qla2x00_relogin(base_vha);
3349
3350 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3351 base_vha->host_no));
3352 }
3353
3354 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3355 &base_vha->dpc_flags)) {
3356
3357 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3358 base_vha->host_no));
3359
3360 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3361 &base_vha->dpc_flags))) {
3362
3363 rval = qla2x00_loop_resync(base_vha);
3364
3365 clear_bit(LOOP_RESYNC_ACTIVE,
3366 &base_vha->dpc_flags);
3367 }
3368
3369 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3370 base_vha->host_no));
3371 }
3372
3373 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3374 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3375 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3376 qla2xxx_flash_npiv_conf(base_vha);
3377 }
3378
3379 if (!ha->interrupts_on)
3380 ha->isp_ops->enable_intrs(ha);
3381
3382 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3383 &base_vha->dpc_flags))
3384 ha->isp_ops->beacon_blink(base_vha);
3385
3386 qla2x00_do_dpc_all_vps(base_vha);
3387
3388 ha->dpc_active = 0;
3389 } /* End of while(1) */
3390
3391 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3392
3393 /*
3394 * Make sure that nobody tries to wake us up again.
3395 */
3396 ha->dpc_active = 0;
3397
3398 /* Cleanup any residual CTX SRBs. */
3399 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3400
3401 return 0;
3402 }
3403
3404 void
3405 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3406 {
3407 struct qla_hw_data *ha = vha->hw;
3408 struct task_struct *t = ha->dpc_thread;
3409
3410 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3411 wake_up_process(t);
3412 }
3413
3414 /*
3415 * qla2x00_rst_aen
3416 * Processes asynchronous reset.
3417 *
3418 * Input:
3419 * ha = adapter block pointer.
3420 */
3421 static void
3422 qla2x00_rst_aen(scsi_qla_host_t *vha)
3423 {
3424 if (vha->flags.online && !vha->flags.reset_active &&
3425 !atomic_read(&vha->loop_down_timer) &&
3426 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3427 do {
3428 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3429
3430 /*
3431 * Issue marker command only when we are going to start
3432 * the I/O.
3433 */
3434 vha->marker_needed = 1;
3435 } while (!atomic_read(&vha->loop_down_timer) &&
3436 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3437 }
3438 }
3439
3440 static void
3441 qla2x00_sp_free_dma(srb_t *sp)
3442 {
3443 struct scsi_cmnd *cmd = sp->cmd;
3444 struct qla_hw_data *ha = sp->fcport->vha->hw;
3445
3446 if (sp->flags & SRB_DMA_VALID) {
3447 scsi_dma_unmap(cmd);
3448 sp->flags &= ~SRB_DMA_VALID;
3449 }
3450
3451 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3452 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3453 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3454 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3455 }
3456
3457 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3458 /* List assured to be having elements */
3459 qla2x00_clean_dsd_pool(ha, sp);
3460 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3461 }
3462
3463 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3464 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3465 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3466 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3467 }
3468
3469 CMD_SP(cmd) = NULL;
3470 }
3471
3472 void
3473 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3474 {
3475 struct scsi_cmnd *cmd = sp->cmd;
3476
3477 qla2x00_sp_free_dma(sp);
3478
3479 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3480 struct ct6_dsd *ctx = sp->ctx;
3481 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3482 ctx->fcp_cmnd_dma);
3483 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3484 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3485 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3486 mempool_free(sp->ctx, ha->ctx_mempool);
3487 sp->ctx = NULL;
3488 }
3489
3490 mempool_free(sp, ha->srb_mempool);
3491 cmd->scsi_done(cmd);
3492 }
3493
3494 void
3495 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3496 {
3497 if (atomic_read(&sp->ref_count) == 0) {
3498 DEBUG2(qla_printk(KERN_WARNING, ha,
3499 "SP reference-count to ZERO -- sp=%p\n", sp));
3500 DEBUG2(BUG());
3501 return;
3502 }
3503 if (!atomic_dec_and_test(&sp->ref_count))
3504 return;
3505 qla2x00_sp_final_compl(ha, sp);
3506 }
3507
3508 /**************************************************************************
3509 * qla2x00_timer
3510 *
3511 * Description:
3512 * One second timer
3513 *
3514 * Context: Interrupt
3515 ***************************************************************************/
3516 void
3517 qla2x00_timer(scsi_qla_host_t *vha)
3518 {
3519 unsigned long cpu_flags = 0;
3520 fc_port_t *fcport;
3521 int start_dpc = 0;
3522 int index;
3523 srb_t *sp;
3524 int t;
3525 uint16_t w;
3526 struct qla_hw_data *ha = vha->hw;
3527 struct req_que *req;
3528
3529 if (IS_QLA82XX(ha))
3530 qla82xx_watchdog(vha);
3531
3532 /* Hardware read to raise pending EEH errors during mailbox waits. */
3533 if (!pci_channel_offline(ha->pdev))
3534 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3535 /*
3536 * Ports - Port down timer.
3537 *
3538 * Whenever, a port is in the LOST state we start decrementing its port
3539 * down timer every second until it reaches zero. Once it reaches zero
3540 * the port it marked DEAD.
3541 */
3542 t = 0;
3543 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3544 if (fcport->port_type != FCT_TARGET)
3545 continue;
3546
3547 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3548
3549 if (atomic_read(&fcport->port_down_timer) == 0)
3550 continue;
3551
3552 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3553 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3554
3555 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3556 "%d remaining\n",
3557 vha->host_no,
3558 t, atomic_read(&fcport->port_down_timer)));
3559 }
3560 t++;
3561 } /* End of for fcport */
3562
3563
3564 /* Loop down handler. */
3565 if (atomic_read(&vha->loop_down_timer) > 0 &&
3566 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3567 && vha->flags.online) {
3568
3569 if (atomic_read(&vha->loop_down_timer) ==
3570 vha->loop_down_abort_time) {
3571
3572 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3573 "queues before time expire\n",
3574 vha->host_no));
3575
3576 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3577 atomic_set(&vha->loop_state, LOOP_DEAD);
3578
3579 /*
3580 * Schedule an ISP abort to return any FCP2-device
3581 * commands.
3582 */
3583 /* NPIV - scan physical port only */
3584 if (!vha->vp_idx) {
3585 spin_lock_irqsave(&ha->hardware_lock,
3586 cpu_flags);
3587 req = ha->req_q_map[0];
3588 for (index = 1;
3589 index < MAX_OUTSTANDING_COMMANDS;
3590 index++) {
3591 fc_port_t *sfcp;
3592
3593 sp = req->outstanding_cmds[index];
3594 if (!sp)
3595 continue;
3596 if (sp->ctx && !IS_PROT_IO(sp))
3597 continue;
3598 sfcp = sp->fcport;
3599 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3600 continue;
3601
3602 set_bit(ISP_ABORT_NEEDED,
3603 &vha->dpc_flags);
3604 break;
3605 }
3606 spin_unlock_irqrestore(&ha->hardware_lock,
3607 cpu_flags);
3608 }
3609 start_dpc++;
3610 }
3611
3612 /* if the loop has been down for 4 minutes, reinit adapter */
3613 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3614 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3615 DEBUG(printk("scsi(%ld): Loop down - "
3616 "aborting ISP.\n",
3617 vha->host_no));
3618 qla_printk(KERN_WARNING, ha,
3619 "Loop down - aborting ISP.\n");
3620
3621 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3622 }
3623 }
3624 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3625 vha->host_no,
3626 atomic_read(&vha->loop_down_timer)));
3627 }
3628
3629 /* Check if beacon LED needs to be blinked */
3630 if (ha->beacon_blink_led == 1) {
3631 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3632 start_dpc++;
3633 }
3634
3635 /* Process any deferred work. */
3636 if (!list_empty(&vha->work_list))
3637 start_dpc++;
3638
3639 /* Schedule the DPC routine if needed */
3640 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3641 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3642 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3643 start_dpc ||
3644 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3645 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3646 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3647 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3648 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3649 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3650 qla2xxx_wake_dpc(vha);
3651
3652 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3653 }
3654
3655 /* Firmware interface routines. */
3656
3657 #define FW_BLOBS 8
3658 #define FW_ISP21XX 0
3659 #define FW_ISP22XX 1
3660 #define FW_ISP2300 2
3661 #define FW_ISP2322 3
3662 #define FW_ISP24XX 4
3663 #define FW_ISP25XX 5
3664 #define FW_ISP81XX 6
3665 #define FW_ISP82XX 7
3666
3667 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3668 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3669 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3670 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3671 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3672 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3673 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3674 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3675
3676 static DEFINE_MUTEX(qla_fw_lock);
3677
3678 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3679 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3680 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3681 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3682 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3683 { .name = FW_FILE_ISP24XX, },
3684 { .name = FW_FILE_ISP25XX, },
3685 { .name = FW_FILE_ISP81XX, },
3686 { .name = FW_FILE_ISP82XX, },
3687 };
3688
3689 struct fw_blob *
3690 qla2x00_request_firmware(scsi_qla_host_t *vha)
3691 {
3692 struct qla_hw_data *ha = vha->hw;
3693 struct fw_blob *blob;
3694
3695 blob = NULL;
3696 if (IS_QLA2100(ha)) {
3697 blob = &qla_fw_blobs[FW_ISP21XX];
3698 } else if (IS_QLA2200(ha)) {
3699 blob = &qla_fw_blobs[FW_ISP22XX];
3700 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3701 blob = &qla_fw_blobs[FW_ISP2300];
3702 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3703 blob = &qla_fw_blobs[FW_ISP2322];
3704 } else if (IS_QLA24XX_TYPE(ha)) {
3705 blob = &qla_fw_blobs[FW_ISP24XX];
3706 } else if (IS_QLA25XX(ha)) {
3707 blob = &qla_fw_blobs[FW_ISP25XX];
3708 } else if (IS_QLA81XX(ha)) {
3709 blob = &qla_fw_blobs[FW_ISP81XX];
3710 } else if (IS_QLA82XX(ha)) {
3711 blob = &qla_fw_blobs[FW_ISP82XX];
3712 }
3713
3714 mutex_lock(&qla_fw_lock);
3715 if (blob->fw)
3716 goto out;
3717
3718 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3719 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3720 "(%s).\n", vha->host_no, blob->name));
3721 blob->fw = NULL;
3722 blob = NULL;
3723 goto out;
3724 }
3725
3726 out:
3727 mutex_unlock(&qla_fw_lock);
3728 return blob;
3729 }
3730
3731 static void
3732 qla2x00_release_firmware(void)
3733 {
3734 int idx;
3735
3736 mutex_lock(&qla_fw_lock);
3737 for (idx = 0; idx < FW_BLOBS; idx++)
3738 if (qla_fw_blobs[idx].fw)
3739 release_firmware(qla_fw_blobs[idx].fw);
3740 mutex_unlock(&qla_fw_lock);
3741 }
3742
3743 static pci_ers_result_t
3744 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3745 {
3746 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3747 struct qla_hw_data *ha = vha->hw;
3748
3749 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3750 state));
3751
3752 switch (state) {
3753 case pci_channel_io_normal:
3754 ha->flags.eeh_busy = 0;
3755 return PCI_ERS_RESULT_CAN_RECOVER;
3756 case pci_channel_io_frozen:
3757 ha->flags.eeh_busy = 1;
3758 qla2x00_free_irqs(vha);
3759 pci_disable_device(pdev);
3760 return PCI_ERS_RESULT_NEED_RESET;
3761 case pci_channel_io_perm_failure:
3762 ha->flags.pci_channel_io_perm_failure = 1;
3763 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3764 return PCI_ERS_RESULT_DISCONNECT;
3765 }
3766 return PCI_ERS_RESULT_NEED_RESET;
3767 }
3768
3769 static pci_ers_result_t
3770 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3771 {
3772 int risc_paused = 0;
3773 uint32_t stat;
3774 unsigned long flags;
3775 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3776 struct qla_hw_data *ha = base_vha->hw;
3777 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3778 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3779
3780 spin_lock_irqsave(&ha->hardware_lock, flags);
3781 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3782 stat = RD_REG_DWORD(&reg->hccr);
3783 if (stat & HCCR_RISC_PAUSE)
3784 risc_paused = 1;
3785 } else if (IS_QLA23XX(ha)) {
3786 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3787 if (stat & HSR_RISC_PAUSED)
3788 risc_paused = 1;
3789 } else if (IS_FWI2_CAPABLE(ha)) {
3790 stat = RD_REG_DWORD(&reg24->host_status);
3791 if (stat & HSRX_RISC_PAUSED)
3792 risc_paused = 1;
3793 }
3794 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3795
3796 if (risc_paused) {
3797 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3798 "Dumping firmware!\n");
3799 ha->isp_ops->fw_dump(base_vha, 0);
3800
3801 return PCI_ERS_RESULT_NEED_RESET;
3802 } else
3803 return PCI_ERS_RESULT_RECOVERED;
3804 }
3805
3806 static pci_ers_result_t
3807 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3808 {
3809 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3810 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3811 struct qla_hw_data *ha = base_vha->hw;
3812 struct rsp_que *rsp;
3813 int rc, retries = 10;
3814
3815 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3816
3817 /* Workaround: qla2xxx driver which access hardware earlier
3818 * needs error state to be pci_channel_io_online.
3819 * Otherwise mailbox command timesout.
3820 */
3821 pdev->error_state = pci_channel_io_normal;
3822
3823 pci_restore_state(pdev);
3824
3825 /* pci_restore_state() clears the saved_state flag of the device
3826 * save restored state which resets saved_state flag
3827 */
3828 pci_save_state(pdev);
3829
3830 if (ha->mem_only)
3831 rc = pci_enable_device_mem(pdev);
3832 else
3833 rc = pci_enable_device(pdev);
3834
3835 if (rc) {
3836 qla_printk(KERN_WARNING, ha,
3837 "Can't re-enable PCI device after reset.\n");
3838 return ret;
3839 }
3840
3841 rsp = ha->rsp_q_map[0];
3842 if (qla2x00_request_irqs(ha, rsp))
3843 return ret;
3844
3845 if (ha->isp_ops->pci_config(base_vha))
3846 return ret;
3847
3848 while (ha->flags.mbox_busy && retries--)
3849 msleep(1000);
3850
3851 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3852 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3853 ret = PCI_ERS_RESULT_RECOVERED;
3854 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3855
3856
3857 DEBUG17(qla_printk(KERN_WARNING, ha,
3858 "slot_reset-return:ret=%x\n", ret));
3859
3860 return ret;
3861 }
3862
3863 static void
3864 qla2xxx_pci_resume(struct pci_dev *pdev)
3865 {
3866 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3867 struct qla_hw_data *ha = base_vha->hw;
3868 int ret;
3869
3870 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3871
3872 ret = qla2x00_wait_for_hba_online(base_vha);
3873 if (ret != QLA_SUCCESS) {
3874 qla_printk(KERN_ERR, ha,
3875 "the device failed to resume I/O "
3876 "from slot/link_reset");
3877 }
3878
3879 pci_cleanup_aer_uncorrect_error_status(pdev);
3880
3881 ha->flags.eeh_busy = 0;
3882 }
3883
3884 static struct pci_error_handlers qla2xxx_err_handler = {
3885 .error_detected = qla2xxx_pci_error_detected,
3886 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3887 .slot_reset = qla2xxx_pci_slot_reset,
3888 .resume = qla2xxx_pci_resume,
3889 };
3890
3891 static struct pci_device_id qla2xxx_pci_tbl[] = {
3892 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3893 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3894 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3895 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3896 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3897 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3898 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3899 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3900 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3901 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3902 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3903 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3904 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3905 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3906 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3907 { 0 },
3908 };
3909 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3910
3911 static struct pci_driver qla2xxx_pci_driver = {
3912 .name = QLA2XXX_DRIVER_NAME,
3913 .driver = {
3914 .owner = THIS_MODULE,
3915 },
3916 .id_table = qla2xxx_pci_tbl,
3917 .probe = qla2x00_probe_one,
3918 .remove = qla2x00_remove_one,
3919 .err_handler = &qla2xxx_err_handler,
3920 };
3921
3922 static struct file_operations apidev_fops = {
3923 .owner = THIS_MODULE,
3924 };
3925
3926 /**
3927 * qla2x00_module_init - Module initialization.
3928 **/
3929 static int __init
3930 qla2x00_module_init(void)
3931 {
3932 int ret = 0;
3933
3934 /* Allocate cache for SRBs. */
3935 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3936 SLAB_HWCACHE_ALIGN, NULL);
3937 if (srb_cachep == NULL) {
3938 printk(KERN_ERR
3939 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3940 return -ENOMEM;
3941 }
3942
3943 /* Derive version string. */
3944 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3945 if (ql2xextended_error_logging)
3946 strcat(qla2x00_version_str, "-debug");
3947
3948 qla2xxx_transport_template =
3949 fc_attach_transport(&qla2xxx_transport_functions);
3950 if (!qla2xxx_transport_template) {
3951 kmem_cache_destroy(srb_cachep);
3952 return -ENODEV;
3953 }
3954
3955 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3956 if (apidev_major < 0) {
3957 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3958 "%s\n", QLA2XXX_APIDEV);
3959 }
3960
3961 qla2xxx_transport_vport_template =
3962 fc_attach_transport(&qla2xxx_transport_vport_functions);
3963 if (!qla2xxx_transport_vport_template) {
3964 kmem_cache_destroy(srb_cachep);
3965 fc_release_transport(qla2xxx_transport_template);
3966 return -ENODEV;
3967 }
3968
3969 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3970 qla2x00_version_str);
3971 ret = pci_register_driver(&qla2xxx_pci_driver);
3972 if (ret) {
3973 kmem_cache_destroy(srb_cachep);
3974 fc_release_transport(qla2xxx_transport_template);
3975 fc_release_transport(qla2xxx_transport_vport_template);
3976 }
3977 return ret;
3978 }
3979
3980 /**
3981 * qla2x00_module_exit - Module cleanup.
3982 **/
3983 static void __exit
3984 qla2x00_module_exit(void)
3985 {
3986 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
3987 pci_unregister_driver(&qla2xxx_pci_driver);
3988 qla2x00_release_firmware();
3989 kmem_cache_destroy(srb_cachep);
3990 if (ctx_cachep)
3991 kmem_cache_destroy(ctx_cachep);
3992 fc_release_transport(qla2xxx_transport_template);
3993 fc_release_transport(qla2xxx_transport_vport_template);
3994 }
3995
3996 module_init(qla2x00_module_init);
3997 module_exit(qla2x00_module_exit);
3998
3999 MODULE_AUTHOR("QLogic Corporation");
4000 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4001 MODULE_LICENSE("GPL");
4002 MODULE_VERSION(QLA2XXX_VERSION);
4003 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4004 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4005 MODULE_FIRMWARE(FW_FILE_ISP2300);
4006 MODULE_FIRMWARE(FW_FILE_ISP2322);
4007 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4008 MODULE_FIRMWARE(FW_FILE_ISP25XX);
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