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RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / scsi / qla2xxx / qla_os.c
blobdc2c9dff9129c3018cf5ce3d5c641c9de6766fc2
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2010 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 int ql2xgffidenable;
164 module_param(ql2xgffidenable, int, S_IRUGO|S_IRUSR);
165 MODULE_PARM_DESC(ql2xgffidenable,
166 "Enables GFF_ID checks of port type. "
167 "Default is 0 - Do not use GFF_ID information.");
168
169 int ql2xasynctmfenable;
170 module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
171 MODULE_PARM_DESC(ql2xasynctmfenable,
172 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
173 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
174 /*
175 * SCSI host template entry points
176 */
177 static int qla2xxx_slave_configure(struct scsi_device * device);
178 static int qla2xxx_slave_alloc(struct scsi_device *);
179 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
180 static void qla2xxx_scan_start(struct Scsi_Host *);
181 static void qla2xxx_slave_destroy(struct scsi_device *);
182 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
183 void (*fn)(struct scsi_cmnd *));
184 static int qla2xxx_eh_abort(struct scsi_cmnd *);
185 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
186 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
187 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
188 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
189
190 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
191 static int qla2x00_change_queue_type(struct scsi_device *, int);
192
193 struct scsi_host_template qla2xxx_driver_template = {
194 .module = THIS_MODULE,
195 .name = QLA2XXX_DRIVER_NAME,
196 .queuecommand = qla2xxx_queuecommand,
197
198 .eh_abort_handler = qla2xxx_eh_abort,
199 .eh_device_reset_handler = qla2xxx_eh_device_reset,
200 .eh_target_reset_handler = qla2xxx_eh_target_reset,
201 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
202 .eh_host_reset_handler = qla2xxx_eh_host_reset,
203
204 .slave_configure = qla2xxx_slave_configure,
205
206 .slave_alloc = qla2xxx_slave_alloc,
207 .slave_destroy = qla2xxx_slave_destroy,
208 .scan_finished = qla2xxx_scan_finished,
209 .scan_start = qla2xxx_scan_start,
210 .change_queue_depth = qla2x00_change_queue_depth,
211 .change_queue_type = qla2x00_change_queue_type,
212 .this_id = -1,
213 .cmd_per_lun = 3,
214 .use_clustering = ENABLE_CLUSTERING,
215 .sg_tablesize = SG_ALL,
216
217 .max_sectors = 0xFFFF,
218 .shost_attrs = qla2x00_host_attrs,
219 };
220
221 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
222 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
223
224 /* TODO Convert to inlines
225 *
226 * Timer routines
227 */
228
229 __inline__ void
230 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
231 {
232 init_timer(&vha->timer);
233 vha->timer.expires = jiffies + interval * HZ;
234 vha->timer.data = (unsigned long)vha;
235 vha->timer.function = (void (*)(unsigned long))func;
236 add_timer(&vha->timer);
237 vha->timer_active = 1;
238 }
239
240 static inline void
241 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
242 {
243 /* Currently used for 82XX only. */
244 if (vha->device_flags & DFLG_DEV_FAILED)
245 return;
246
247 mod_timer(&vha->timer, jiffies + interval * HZ);
248 }
249
250 static __inline__ void
251 qla2x00_stop_timer(scsi_qla_host_t *vha)
252 {
253 del_timer_sync(&vha->timer);
254 vha->timer_active = 0;
255 }
256
257 static int qla2x00_do_dpc(void *data);
258
259 static void qla2x00_rst_aen(scsi_qla_host_t *);
260
261 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
262 struct req_que **, struct rsp_que **);
263 static void qla2x00_mem_free(struct qla_hw_data *);
264 static void qla2x00_sp_free_dma(srb_t *);
265
266 /* -------------------------------------------------------------------------- */
267 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
268 {
269 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
270 GFP_KERNEL);
271 if (!ha->req_q_map) {
272 qla_printk(KERN_WARNING, ha,
273 "Unable to allocate memory for request queue ptrs\n");
274 goto fail_req_map;
275 }
276
277 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
278 GFP_KERNEL);
279 if (!ha->rsp_q_map) {
280 qla_printk(KERN_WARNING, ha,
281 "Unable to allocate memory for response queue ptrs\n");
282 goto fail_rsp_map;
283 }
284 set_bit(0, ha->rsp_qid_map);
285 set_bit(0, ha->req_qid_map);
286 return 1;
287
288 fail_rsp_map:
289 kfree(ha->req_q_map);
290 ha->req_q_map = NULL;
291 fail_req_map:
292 return -ENOMEM;
293 }
294
295 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
296 {
297 if (req && req->ring)
298 dma_free_coherent(&ha->pdev->dev,
299 (req->length + 1) * sizeof(request_t),
300 req->ring, req->dma);
301
302 kfree(req);
303 req = NULL;
304 }
305
306 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
307 {
308 if (rsp && rsp->ring)
309 dma_free_coherent(&ha->pdev->dev,
310 (rsp->length + 1) * sizeof(response_t),
311 rsp->ring, rsp->dma);
312
313 kfree(rsp);
314 rsp = NULL;
315 }
316
317 static void qla2x00_free_queues(struct qla_hw_data *ha)
318 {
319 struct req_que *req;
320 struct rsp_que *rsp;
321 int cnt;
322
323 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
324 req = ha->req_q_map[cnt];
325 qla2x00_free_req_que(ha, req);
326 }
327 kfree(ha->req_q_map);
328 ha->req_q_map = NULL;
329
330 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
331 rsp = ha->rsp_q_map[cnt];
332 qla2x00_free_rsp_que(ha, rsp);
333 }
334 kfree(ha->rsp_q_map);
335 ha->rsp_q_map = NULL;
336 }
337
338 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
339 {
340 uint16_t options = 0;
341 int ques, req, ret;
342 struct qla_hw_data *ha = vha->hw;
343
344 if (!(ha->fw_attributes & BIT_6)) {
345 qla_printk(KERN_INFO, ha,
346 "Firmware is not multi-queue capable\n");
347 goto fail;
348 }
349 if (ql2xmultique_tag) {
350 /* create a request queue for IO */
351 options |= BIT_7;
352 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
353 QLA_DEFAULT_QUE_QOS);
354 if (!req) {
355 qla_printk(KERN_WARNING, ha,
356 "Can't create request queue\n");
357 goto fail;
358 }
359 ha->wq = create_workqueue("qla2xxx_wq");
360 vha->req = ha->req_q_map[req];
361 options |= BIT_1;
362 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
363 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
364 if (!ret) {
365 qla_printk(KERN_WARNING, ha,
366 "Response Queue create failed\n");
367 goto fail2;
368 }
369 }
370 ha->flags.cpu_affinity_enabled = 1;
371
372 DEBUG2(qla_printk(KERN_INFO, ha,
373 "CPU affinity mode enabled, no. of response"
374 " queues:%d, no. of request queues:%d\n",
375 ha->max_rsp_queues, ha->max_req_queues));
376 }
377 return 0;
378 fail2:
379 qla25xx_delete_queues(vha);
380 destroy_workqueue(ha->wq);
381 ha->wq = NULL;
382 fail:
383 ha->mqenable = 0;
384 kfree(ha->req_q_map);
385 kfree(ha->rsp_q_map);
386 ha->max_req_queues = ha->max_rsp_queues = 1;
387 return 1;
388 }
389
390 static char *
391 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
392 {
393 struct qla_hw_data *ha = vha->hw;
394 static char *pci_bus_modes[] = {
395 "33", "66", "100", "133",
396 };
397 uint16_t pci_bus;
398
399 strcpy(str, "PCI");
400 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
401 if (pci_bus) {
402 strcat(str, "-X (");
403 strcat(str, pci_bus_modes[pci_bus]);
404 } else {
405 pci_bus = (ha->pci_attr & BIT_8) >> 8;
406 strcat(str, " (");
407 strcat(str, pci_bus_modes[pci_bus]);
408 }
409 strcat(str, " MHz)");
410
411 return (str);
412 }
413
414 static char *
415 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
416 {
417 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
418 struct qla_hw_data *ha = vha->hw;
419 uint32_t pci_bus;
420 int pcie_reg;
421
422 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
423 if (pcie_reg) {
424 char lwstr[6];
425 uint16_t pcie_lstat, lspeed, lwidth;
426
427 pcie_reg += 0x12;
428 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
429 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
430 lwidth = (pcie_lstat &
431 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
432
433 strcpy(str, "PCIe (");
434 if (lspeed == 1)
435 strcat(str, "2.5GT/s ");
436 else if (lspeed == 2)
437 strcat(str, "5.0GT/s ");
438 else
439 strcat(str, "<unknown> ");
440 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
441 strcat(str, lwstr);
442
443 return str;
444 }
445
446 strcpy(str, "PCI");
447 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
448 if (pci_bus == 0 || pci_bus == 8) {
449 strcat(str, " (");
450 strcat(str, pci_bus_modes[pci_bus >> 3]);
451 } else {
452 strcat(str, "-X ");
453 if (pci_bus & BIT_2)
454 strcat(str, "Mode 2");
455 else
456 strcat(str, "Mode 1");
457 strcat(str, " (");
458 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
459 }
460 strcat(str, " MHz)");
461
462 return str;
463 }
464
465 static char *
466 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
467 {
468 char un_str[10];
469 struct qla_hw_data *ha = vha->hw;
470
471 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
472 ha->fw_minor_version,
473 ha->fw_subminor_version);
474
475 if (ha->fw_attributes & BIT_9) {
476 strcat(str, "FLX");
477 return (str);
478 }
479
480 switch (ha->fw_attributes & 0xFF) {
481 case 0x7:
482 strcat(str, "EF");
483 break;
484 case 0x17:
485 strcat(str, "TP");
486 break;
487 case 0x37:
488 strcat(str, "IP");
489 break;
490 case 0x77:
491 strcat(str, "VI");
492 break;
493 default:
494 sprintf(un_str, "(%x)", ha->fw_attributes);
495 strcat(str, un_str);
496 break;
497 }
498 if (ha->fw_attributes & 0x100)
499 strcat(str, "X");
500
501 return (str);
502 }
503
504 static char *
505 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
506 {
507 struct qla_hw_data *ha = vha->hw;
508
509 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
510 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
511 return str;
512 }
513
514 static inline srb_t *
515 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
516 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
517 {
518 srb_t *sp;
519 struct qla_hw_data *ha = vha->hw;
520
521 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
522 if (!sp)
523 return sp;
524
525 atomic_set(&sp->ref_count, 1);
526 sp->fcport = fcport;
527 sp->cmd = cmd;
528 sp->flags = 0;
529 CMD_SP(cmd) = (void *)sp;
530 cmd->scsi_done = done;
531 sp->ctx = NULL;
532
533 return sp;
534 }
535
536 static int
537 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
538 {
539 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
540 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
541 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
542 struct qla_hw_data *ha = vha->hw;
543 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
544 srb_t *sp;
545 int rval;
546
547 if (ha->flags.eeh_busy) {
548 if (ha->flags.pci_channel_io_perm_failure)
549 cmd->result = DID_NO_CONNECT << 16;
550 else
551 cmd->result = DID_REQUEUE << 16;
552 goto qc24_fail_command;
553 }
554
555 rval = fc_remote_port_chkready(rport);
556 if (rval) {
557 cmd->result = rval;
558 goto qc24_fail_command;
559 }
560
561 /* Close window on fcport/rport state-transitioning. */
562 if (fcport->drport)
563 goto qc24_target_busy;
564
565 if (!vha->flags.difdix_supported &&
566 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
567 DEBUG2(qla_printk(KERN_ERR, ha,
568 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
569 cmd->cmnd[0]));
570 cmd->result = DID_NO_CONNECT << 16;
571 goto qc24_fail_command;
572 }
573 if (atomic_read(&fcport->state) != FCS_ONLINE) {
574 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
575 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
576 cmd->result = DID_NO_CONNECT << 16;
577 goto qc24_fail_command;
578 }
579 goto qc24_target_busy;
580 }
581
582 spin_unlock_irq(vha->host->host_lock);
583
584 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
585 if (!sp)
586 goto qc24_host_busy_lock;
587
588 rval = ha->isp_ops->start_scsi(sp);
589 if (rval != QLA_SUCCESS)
590 goto qc24_host_busy_free_sp;
591
592 spin_lock_irq(vha->host->host_lock);
593
594 return 0;
595
596 qc24_host_busy_free_sp:
597 qla2x00_sp_free_dma(sp);
598 mempool_free(sp, ha->srb_mempool);
599
600 qc24_host_busy_lock:
601 spin_lock_irq(vha->host->host_lock);
602 return SCSI_MLQUEUE_HOST_BUSY;
603
604 qc24_target_busy:
605 return SCSI_MLQUEUE_TARGET_BUSY;
606
607 qc24_fail_command:
608 done(cmd);
609
610 return 0;
611 }
612
613
614 /*
615 * qla2x00_eh_wait_on_command
616 * Waits for the command to be returned by the Firmware for some
617 * max time.
618 *
619 * Input:
620 * cmd = Scsi Command to wait on.
621 *
622 * Return:
623 * Not Found : 0
624 * Found : 1
625 */
626 static int
627 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
628 {
629 #define ABORT_POLLING_PERIOD 1000
630 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
631 unsigned long wait_iter = ABORT_WAIT_ITER;
632 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
633 struct qla_hw_data *ha = vha->hw;
634 int ret = QLA_SUCCESS;
635
636 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
637 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
638 return ret;
639 }
640
641 while (CMD_SP(cmd) && wait_iter--) {
642 msleep(ABORT_POLLING_PERIOD);
643 }
644 if (CMD_SP(cmd))
645 ret = QLA_FUNCTION_FAILED;
646
647 return ret;
648 }
649
650 /*
651 * qla2x00_wait_for_hba_online
652 * Wait till the HBA is online after going through
653 * <= MAX_RETRIES_OF_ISP_ABORT or
654 * finally HBA is disabled ie marked offline
655 *
656 * Input:
657 * ha - pointer to host adapter structure
658 *
659 * Note:
660 * Does context switching-Release SPIN_LOCK
661 * (if any) before calling this routine.
662 *
663 * Return:
664 * Success (Adapter is online) : 0
665 * Failed (Adapter is offline/disabled) : 1
666 */
667 int
668 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
669 {
670 int return_status;
671 unsigned long wait_online;
672 struct qla_hw_data *ha = vha->hw;
673 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
674
675 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
676 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
677 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
678 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
679 ha->dpc_active) && time_before(jiffies, wait_online)) {
680
681 msleep(1000);
682 }
683 if (base_vha->flags.online)
684 return_status = QLA_SUCCESS;
685 else
686 return_status = QLA_FUNCTION_FAILED;
687
688 return (return_status);
689 }
690
691 /*
692 * qla2x00_wait_for_reset_ready
693 * Wait till the HBA is online after going through
694 * <= MAX_RETRIES_OF_ISP_ABORT or
695 * finally HBA is disabled ie marked offline or flash
696 * operations are in progress.
697 *
698 * Input:
699 * ha - pointer to host adapter structure
700 *
701 * Note:
702 * Does context switching-Release SPIN_LOCK
703 * (if any) before calling this routine.
704 *
705 * Return:
706 * Success (Adapter is online/no flash ops) : 0
707 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
708 */
709 static int
710 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
711 {
712 int return_status;
713 unsigned long wait_online;
714 struct qla_hw_data *ha = vha->hw;
715 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
716
717 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
718 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
719 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
720 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
721 ha->optrom_state != QLA_SWAITING ||
722 ha->dpc_active) && time_before(jiffies, wait_online))
723 msleep(1000);
724
725 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
726 return_status = QLA_SUCCESS;
727 else
728 return_status = QLA_FUNCTION_FAILED;
729
730 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
731
732 return return_status;
733 }
734
735 int
736 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
737 {
738 int return_status;
739 unsigned long wait_reset;
740 struct qla_hw_data *ha = vha->hw;
741 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
742
743 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
744 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
745 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
746 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
747 ha->dpc_active) && time_before(jiffies, wait_reset)) {
748
749 msleep(1000);
750
751 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
752 ha->flags.chip_reset_done)
753 break;
754 }
755 if (ha->flags.chip_reset_done)
756 return_status = QLA_SUCCESS;
757 else
758 return_status = QLA_FUNCTION_FAILED;
759
760 return return_status;
761 }
762
763 /*
764 * qla2x00_wait_for_loop_ready
765 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
766 * to be in LOOP_READY state.
767 * Input:
768 * ha - pointer to host adapter structure
769 *
770 * Note:
771 * Does context switching-Release SPIN_LOCK
772 * (if any) before calling this routine.
773 *
774 *
775 * Return:
776 * Success (LOOP_READY) : 0
777 * Failed (LOOP_NOT_READY) : 1
778 */
779 static inline int
780 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
781 {
782 int return_status = QLA_SUCCESS;
783 unsigned long loop_timeout ;
784 struct qla_hw_data *ha = vha->hw;
785 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
786
787 /* wait for 5 min at the max for loop to be ready */
788 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
789
790 while ((!atomic_read(&base_vha->loop_down_timer) &&
791 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
792 atomic_read(&base_vha->loop_state) != LOOP_READY) {
793 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
794 return_status = QLA_FUNCTION_FAILED;
795 break;
796 }
797 msleep(1000);
798 if (time_after_eq(jiffies, loop_timeout)) {
799 return_status = QLA_FUNCTION_FAILED;
800 break;
801 }
802 }
803 return (return_status);
804 }
805
806 static void
807 sp_get(struct srb *sp)
808 {
809 atomic_inc(&sp->ref_count);
810 }
811
812 /**************************************************************************
813 * qla2xxx_eh_abort
814 *
815 * Description:
816 * The abort function will abort the specified command.
817 *
818 * Input:
819 * cmd = Linux SCSI command packet to be aborted.
820 *
821 * Returns:
822 * Either SUCCESS or FAILED.
823 *
824 * Note:
825 * Only return FAILED if command not returned by firmware.
826 **************************************************************************/
827 static int
828 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
829 {
830 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
831 srb_t *sp;
832 int ret, i;
833 unsigned int id, lun;
834 unsigned long serial;
835 unsigned long flags;
836 int wait = 0;
837 struct qla_hw_data *ha = vha->hw;
838 struct req_que *req = vha->req;
839 srb_t *spt;
840 int got_ref = 0;
841
842 fc_block_scsi_eh(cmd);
843
844 if (!CMD_SP(cmd))
845 return SUCCESS;
846
847 ret = SUCCESS;
848
849 id = cmd->device->id;
850 lun = cmd->device->lun;
851 serial = cmd->serial_number;
852 spt = (srb_t *) CMD_SP(cmd);
853 if (!spt)
854 return SUCCESS;
855
856 /* Check active list for command command. */
857 spin_lock_irqsave(&ha->hardware_lock, flags);
858 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
859 sp = req->outstanding_cmds[i];
860
861 if (sp == NULL)
862 continue;
863 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
864 !IS_PROT_IO(sp))
865 continue;
866 if (sp->cmd != cmd)
867 continue;
868
869 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
870 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
871
872 /* Get a reference to the sp and drop the lock.*/
873 sp_get(sp);
874 got_ref++;
875
876 spin_unlock_irqrestore(&ha->hardware_lock, flags);
877 if (ha->isp_ops->abort_command(sp)) {
878 DEBUG2(printk("%s(%ld): abort_command "
879 "mbx failed.\n", __func__, vha->host_no));
880 ret = FAILED;
881 } else {
882 DEBUG3(printk("%s(%ld): abort_command "
883 "mbx success.\n", __func__, vha->host_no));
884 wait = 1;
885 }
886 spin_lock_irqsave(&ha->hardware_lock, flags);
887 break;
888 }
889 spin_unlock_irqrestore(&ha->hardware_lock, flags);
890
891 /* Wait for the command to be returned. */
892 if (wait) {
893 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
894 qla_printk(KERN_ERR, ha,
895 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
896 "%x.\n", vha->host_no, id, lun, serial, ret);
897 ret = FAILED;
898 }
899 }
900
901 if (got_ref)
902 qla2x00_sp_compl(ha, sp);
903
904 qla_printk(KERN_INFO, ha,
905 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
906 vha->host_no, id, lun, wait, serial, ret);
907
908 return ret;
909 }
910
911 int
912 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
913 unsigned int l, enum nexus_wait_type type)
914 {
915 int cnt, match, status;
916 unsigned long flags;
917 struct qla_hw_data *ha = vha->hw;
918 struct req_que *req;
919 srb_t *sp;
920
921 status = QLA_SUCCESS;
922
923 spin_lock_irqsave(&ha->hardware_lock, flags);
924 req = vha->req;
925 for (cnt = 1; status == QLA_SUCCESS &&
926 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
927 sp = req->outstanding_cmds[cnt];
928 if (!sp)
929 continue;
930 if ((sp->ctx) && !IS_PROT_IO(sp))
931 continue;
932 if (vha->vp_idx != sp->fcport->vha->vp_idx)
933 continue;
934 match = 0;
935 switch (type) {
936 case WAIT_HOST:
937 match = 1;
938 break;
939 case WAIT_TARGET:
940 match = sp->cmd->device->id == t;
941 break;
942 case WAIT_LUN:
943 match = (sp->cmd->device->id == t &&
944 sp->cmd->device->lun == l);
945 break;
946 }
947 if (!match)
948 continue;
949
950 spin_unlock_irqrestore(&ha->hardware_lock, flags);
951 status = qla2x00_eh_wait_on_command(sp->cmd);
952 spin_lock_irqsave(&ha->hardware_lock, flags);
953 }
954 spin_unlock_irqrestore(&ha->hardware_lock, flags);
955
956 return status;
957 }
958
959 static char *reset_errors[] = {
960 "HBA not online",
961 "HBA not ready",
962 "Task management failed",
963 "Waiting for command completions",
964 };
965
966 static int
967 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
968 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
969 {
970 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
971 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
972 int err;
973
974 fc_block_scsi_eh(cmd);
975
976 if (!fcport)
977 return FAILED;
978
979 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
980 vha->host_no, cmd->device->id, cmd->device->lun, name);
981
982 err = 0;
983 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
984 goto eh_reset_failed;
985 err = 1;
986 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
987 goto eh_reset_failed;
988 err = 2;
989 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
990 != QLA_SUCCESS)
991 goto eh_reset_failed;
992 err = 3;
993 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
994 cmd->device->lun, type) != QLA_SUCCESS)
995 goto eh_reset_failed;
996
997 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
998 vha->host_no, cmd->device->id, cmd->device->lun, name);
999
1000 return SUCCESS;
1001
1002 eh_reset_failed:
1003 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1004 , vha->host_no, cmd->device->id, cmd->device->lun, name,
1005 reset_errors[err]);
1006 return FAILED;
1007 }
1008
1009 static int
1010 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1011 {
1012 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1013 struct qla_hw_data *ha = vha->hw;
1014
1015 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1016 ha->isp_ops->lun_reset);
1017 }
1018
1019 static int
1020 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1021 {
1022 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1023 struct qla_hw_data *ha = vha->hw;
1024
1025 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1026 ha->isp_ops->target_reset);
1027 }
1028
1029 /**************************************************************************
1030 * qla2xxx_eh_bus_reset
1031 *
1032 * Description:
1033 * The bus reset function will reset the bus and abort any executing
1034 * commands.
1035 *
1036 * Input:
1037 * cmd = Linux SCSI command packet of the command that cause the
1038 * bus reset.
1039 *
1040 * Returns:
1041 * SUCCESS/FAILURE (defined as macro in scsi.h).
1042 *
1043 **************************************************************************/
1044 static int
1045 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1046 {
1047 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1048 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1049 int ret = FAILED;
1050 unsigned int id, lun;
1051 unsigned long serial;
1052
1053 fc_block_scsi_eh(cmd);
1054
1055 id = cmd->device->id;
1056 lun = cmd->device->lun;
1057 serial = cmd->serial_number;
1058
1059 if (!fcport)
1060 return ret;
1061
1062 qla_printk(KERN_INFO, vha->hw,
1063 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1064
1065 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1066 DEBUG2(printk("%s failed:board disabled\n",__func__));
1067 goto eh_bus_reset_done;
1068 }
1069
1070 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1071 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1072 ret = SUCCESS;
1073 }
1074 if (ret == FAILED)
1075 goto eh_bus_reset_done;
1076
1077 /* Flush outstanding commands. */
1078 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1079 QLA_SUCCESS)
1080 ret = FAILED;
1081
1082 eh_bus_reset_done:
1083 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
1084 (ret == FAILED) ? "failed" : "succeded");
1085
1086 return ret;
1087 }
1088
1089 /**************************************************************************
1090 * qla2xxx_eh_host_reset
1091 *
1092 * Description:
1093 * The reset function will reset the Adapter.
1094 *
1095 * Input:
1096 * cmd = Linux SCSI command packet of the command that cause the
1097 * adapter reset.
1098 *
1099 * Returns:
1100 * Either SUCCESS or FAILED.
1101 *
1102 * Note:
1103 **************************************************************************/
1104 static int
1105 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1106 {
1107 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1108 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1109 struct qla_hw_data *ha = vha->hw;
1110 int ret = FAILED;
1111 unsigned int id, lun;
1112 unsigned long serial;
1113 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1114
1115 fc_block_scsi_eh(cmd);
1116
1117 id = cmd->device->id;
1118 lun = cmd->device->lun;
1119 serial = cmd->serial_number;
1120
1121 if (!fcport)
1122 return ret;
1123
1124 qla_printk(KERN_INFO, ha,
1125 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1126
1127 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1128 goto eh_host_reset_lock;
1129
1130 qla2x00_wait_for_loop_ready(vha);
1131 if (vha != base_vha) {
1132 if (qla2x00_vp_abort_isp(vha))
1133 goto eh_host_reset_lock;
1134 } else {
1135 if (IS_QLA82XX(vha->hw)) {
1136 if (!qla82xx_fcoe_ctx_reset(vha)) {
1137 /* Ctx reset success */
1138 ret = SUCCESS;
1139 goto eh_host_reset_lock;
1140 }
1141 /* fall thru if ctx reset failed */
1142 }
1143 if (ha->wq)
1144 flush_workqueue(ha->wq);
1145
1146 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1147 if (ha->isp_ops->abort_isp(base_vha)) {
1148 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1149 /* failed. schedule dpc to try */
1150 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1151
1152 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1153 goto eh_host_reset_lock;
1154 }
1155 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1156 }
1157
1158 /* Waiting for command to be returned to OS.*/
1159 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1160 QLA_SUCCESS)
1161 ret = SUCCESS;
1162
1163 eh_host_reset_lock:
1164 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1165 (ret == FAILED) ? "failed" : "succeded");
1166
1167 return ret;
1168 }
1169
1170 /*
1171 * qla2x00_loop_reset
1172 * Issue loop reset.
1173 *
1174 * Input:
1175 * ha = adapter block pointer.
1176 *
1177 * Returns:
1178 * 0 = success
1179 */
1180 int
1181 qla2x00_loop_reset(scsi_qla_host_t *vha)
1182 {
1183 int ret;
1184 struct fc_port *fcport;
1185 struct qla_hw_data *ha = vha->hw;
1186
1187 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1188 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1189 if (fcport->port_type != FCT_TARGET)
1190 continue;
1191
1192 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1193 if (ret != QLA_SUCCESS) {
1194 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1195 "target_reset=%d d_id=%x.\n", __func__,
1196 vha->host_no, ret, fcport->d_id.b24));
1197 }
1198 }
1199 }
1200
1201 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
1202 ret = qla2x00_full_login_lip(vha);
1203 if (ret != QLA_SUCCESS) {
1204 DEBUG2_3(printk("%s(%ld): failed: "
1205 "full_login_lip=%d.\n", __func__, vha->host_no,
1206 ret));
1207 }
1208 atomic_set(&vha->loop_state, LOOP_DOWN);
1209 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1210 qla2x00_mark_all_devices_lost(vha, 0);
1211 qla2x00_wait_for_loop_ready(vha);
1212 }
1213
1214 if (ha->flags.enable_lip_reset) {
1215 ret = qla2x00_lip_reset(vha);
1216 if (ret != QLA_SUCCESS) {
1217 DEBUG2_3(printk("%s(%ld): failed: "
1218 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1219 } else
1220 qla2x00_wait_for_loop_ready(vha);
1221 }
1222
1223 /* Issue marker command only when we are going to start the I/O */
1224 vha->marker_needed = 1;
1225
1226 return QLA_SUCCESS;
1227 }
1228
1229 void
1230 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1231 {
1232 int que, cnt;
1233 unsigned long flags;
1234 srb_t *sp;
1235 struct srb_ctx *ctx;
1236 struct qla_hw_data *ha = vha->hw;
1237 struct req_que *req;
1238
1239 spin_lock_irqsave(&ha->hardware_lock, flags);
1240 for (que = 0; que < ha->max_req_queues; que++) {
1241 req = ha->req_q_map[que];
1242 if (!req)
1243 continue;
1244 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1245 sp = req->outstanding_cmds[cnt];
1246 if (sp) {
1247 req->outstanding_cmds[cnt] = NULL;
1248 if (!sp->ctx ||
1249 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1250 IS_PROT_IO(sp)) {
1251 sp->cmd->result = res;
1252 qla2x00_sp_compl(ha, sp);
1253 } else {
1254 ctx = sp->ctx;
1255 if (ctx->type == SRB_LOGIN_CMD ||
1256 ctx->type == SRB_LOGOUT_CMD) {
1257 ctx->u.iocb_cmd->free(sp);
1258 } else {
1259 struct fc_bsg_job *bsg_job =
1260 ctx->u.bsg_job;
1261 if (bsg_job->request->msgcode
1262 == FC_BSG_HST_CT)
1263 kfree(sp->fcport);
1264 bsg_job->req->errors = 0;
1265 bsg_job->reply->result = res;
1266 bsg_job->job_done(bsg_job);
1267 kfree(sp->ctx);
1268 mempool_free(sp,
1269 ha->srb_mempool);
1270 }
1271 }
1272 }
1273 }
1274 }
1275 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1276 }
1277
1278 static int
1279 qla2xxx_slave_alloc(struct scsi_device *sdev)
1280 {
1281 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1282
1283 if (!rport || fc_remote_port_chkready(rport))
1284 return -ENXIO;
1285
1286 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1287
1288 return 0;
1289 }
1290
1291 static int
1292 qla2xxx_slave_configure(struct scsi_device *sdev)
1293 {
1294 scsi_qla_host_t *vha = shost_priv(sdev->host);
1295 struct qla_hw_data *ha = vha->hw;
1296 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
1297 struct req_que *req = vha->req;
1298
1299 if (sdev->tagged_supported)
1300 scsi_activate_tcq(sdev, req->max_q_depth);
1301 else
1302 scsi_deactivate_tcq(sdev, req->max_q_depth);
1303
1304 rport->dev_loss_tmo = ha->port_down_retry_count;
1305
1306 return 0;
1307 }
1308
1309 static void
1310 qla2xxx_slave_destroy(struct scsi_device *sdev)
1311 {
1312 sdev->hostdata = NULL;
1313 }
1314
1315 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1316 {
1317 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1318
1319 if (!scsi_track_queue_full(sdev, qdepth))
1320 return;
1321
1322 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1323 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1324 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1325 sdev->queue_depth));
1326 }
1327
1328 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1329 {
1330 fc_port_t *fcport = sdev->hostdata;
1331 struct scsi_qla_host *vha = fcport->vha;
1332 struct qla_hw_data *ha = vha->hw;
1333 struct req_que *req = NULL;
1334
1335 req = vha->req;
1336 if (!req)
1337 return;
1338
1339 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1340 return;
1341
1342 if (sdev->ordered_tags)
1343 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1344 else
1345 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1346
1347 DEBUG2(qla_printk(KERN_INFO, ha,
1348 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1349 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1350 sdev->queue_depth));
1351 }
1352
1353 static int
1354 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1355 {
1356 switch (reason) {
1357 case SCSI_QDEPTH_DEFAULT:
1358 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1359 break;
1360 case SCSI_QDEPTH_QFULL:
1361 qla2x00_handle_queue_full(sdev, qdepth);
1362 break;
1363 case SCSI_QDEPTH_RAMP_UP:
1364 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1365 break;
1366 default:
1367 return -EOPNOTSUPP;
1368 }
1369
1370 return sdev->queue_depth;
1371 }
1372
1373 static int
1374 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1375 {
1376 if (sdev->tagged_supported) {
1377 scsi_set_tag_type(sdev, tag_type);
1378 if (tag_type)
1379 scsi_activate_tcq(sdev, sdev->queue_depth);
1380 else
1381 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1382 } else
1383 tag_type = 0;
1384
1385 return tag_type;
1386 }
1387
1388 /**
1389 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1390 * @ha: HA context
1391 *
1392 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1393 * supported addressing method.
1394 */
1395 static void
1396 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1397 {
1398 /* Assume a 32bit DMA mask. */
1399 ha->flags.enable_64bit_addressing = 0;
1400
1401 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1402 /* Any upper-dword bits set? */
1403 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1404 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1405 /* Ok, a 64bit DMA mask is applicable. */
1406 ha->flags.enable_64bit_addressing = 1;
1407 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1408 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1409 return;
1410 }
1411 }
1412
1413 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1414 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1415 }
1416
1417 static void
1418 qla2x00_enable_intrs(struct qla_hw_data *ha)
1419 {
1420 unsigned long flags = 0;
1421 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1422
1423 spin_lock_irqsave(&ha->hardware_lock, flags);
1424 ha->interrupts_on = 1;
1425 /* enable risc and host interrupts */
1426 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1427 RD_REG_WORD(&reg->ictrl);
1428 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1429
1430 }
1431
1432 static void
1433 qla2x00_disable_intrs(struct qla_hw_data *ha)
1434 {
1435 unsigned long flags = 0;
1436 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1437
1438 spin_lock_irqsave(&ha->hardware_lock, flags);
1439 ha->interrupts_on = 0;
1440 /* disable risc and host interrupts */
1441 WRT_REG_WORD(&reg->ictrl, 0);
1442 RD_REG_WORD(&reg->ictrl);
1443 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1444 }
1445
1446 static void
1447 qla24xx_enable_intrs(struct qla_hw_data *ha)
1448 {
1449 unsigned long flags = 0;
1450 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1451
1452 spin_lock_irqsave(&ha->hardware_lock, flags);
1453 ha->interrupts_on = 1;
1454 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1455 RD_REG_DWORD(&reg->ictrl);
1456 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1457 }
1458
1459 static void
1460 qla24xx_disable_intrs(struct qla_hw_data *ha)
1461 {
1462 unsigned long flags = 0;
1463 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1464
1465 if (IS_NOPOLLING_TYPE(ha))
1466 return;
1467 spin_lock_irqsave(&ha->hardware_lock, flags);
1468 ha->interrupts_on = 0;
1469 WRT_REG_DWORD(&reg->ictrl, 0);
1470 RD_REG_DWORD(&reg->ictrl);
1471 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1472 }
1473
1474 static struct isp_operations qla2100_isp_ops = {
1475 .pci_config = qla2100_pci_config,
1476 .reset_chip = qla2x00_reset_chip,
1477 .chip_diag = qla2x00_chip_diag,
1478 .config_rings = qla2x00_config_rings,
1479 .reset_adapter = qla2x00_reset_adapter,
1480 .nvram_config = qla2x00_nvram_config,
1481 .update_fw_options = qla2x00_update_fw_options,
1482 .load_risc = qla2x00_load_risc,
1483 .pci_info_str = qla2x00_pci_info_str,
1484 .fw_version_str = qla2x00_fw_version_str,
1485 .intr_handler = qla2100_intr_handler,
1486 .enable_intrs = qla2x00_enable_intrs,
1487 .disable_intrs = qla2x00_disable_intrs,
1488 .abort_command = qla2x00_abort_command,
1489 .target_reset = qla2x00_abort_target,
1490 .lun_reset = qla2x00_lun_reset,
1491 .fabric_login = qla2x00_login_fabric,
1492 .fabric_logout = qla2x00_fabric_logout,
1493 .calc_req_entries = qla2x00_calc_iocbs_32,
1494 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1495 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1496 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1497 .read_nvram = qla2x00_read_nvram_data,
1498 .write_nvram = qla2x00_write_nvram_data,
1499 .fw_dump = qla2100_fw_dump,
1500 .beacon_on = NULL,
1501 .beacon_off = NULL,
1502 .beacon_blink = NULL,
1503 .read_optrom = qla2x00_read_optrom_data,
1504 .write_optrom = qla2x00_write_optrom_data,
1505 .get_flash_version = qla2x00_get_flash_version,
1506 .start_scsi = qla2x00_start_scsi,
1507 .abort_isp = qla2x00_abort_isp,
1508 };
1509
1510 static struct isp_operations qla2300_isp_ops = {
1511 .pci_config = qla2300_pci_config,
1512 .reset_chip = qla2x00_reset_chip,
1513 .chip_diag = qla2x00_chip_diag,
1514 .config_rings = qla2x00_config_rings,
1515 .reset_adapter = qla2x00_reset_adapter,
1516 .nvram_config = qla2x00_nvram_config,
1517 .update_fw_options = qla2x00_update_fw_options,
1518 .load_risc = qla2x00_load_risc,
1519 .pci_info_str = qla2x00_pci_info_str,
1520 .fw_version_str = qla2x00_fw_version_str,
1521 .intr_handler = qla2300_intr_handler,
1522 .enable_intrs = qla2x00_enable_intrs,
1523 .disable_intrs = qla2x00_disable_intrs,
1524 .abort_command = qla2x00_abort_command,
1525 .target_reset = qla2x00_abort_target,
1526 .lun_reset = qla2x00_lun_reset,
1527 .fabric_login = qla2x00_login_fabric,
1528 .fabric_logout = qla2x00_fabric_logout,
1529 .calc_req_entries = qla2x00_calc_iocbs_32,
1530 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1531 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1532 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1533 .read_nvram = qla2x00_read_nvram_data,
1534 .write_nvram = qla2x00_write_nvram_data,
1535 .fw_dump = qla2300_fw_dump,
1536 .beacon_on = qla2x00_beacon_on,
1537 .beacon_off = qla2x00_beacon_off,
1538 .beacon_blink = qla2x00_beacon_blink,
1539 .read_optrom = qla2x00_read_optrom_data,
1540 .write_optrom = qla2x00_write_optrom_data,
1541 .get_flash_version = qla2x00_get_flash_version,
1542 .start_scsi = qla2x00_start_scsi,
1543 .abort_isp = qla2x00_abort_isp,
1544 };
1545
1546 static struct isp_operations qla24xx_isp_ops = {
1547 .pci_config = qla24xx_pci_config,
1548 .reset_chip = qla24xx_reset_chip,
1549 .chip_diag = qla24xx_chip_diag,
1550 .config_rings = qla24xx_config_rings,
1551 .reset_adapter = qla24xx_reset_adapter,
1552 .nvram_config = qla24xx_nvram_config,
1553 .update_fw_options = qla24xx_update_fw_options,
1554 .load_risc = qla24xx_load_risc,
1555 .pci_info_str = qla24xx_pci_info_str,
1556 .fw_version_str = qla24xx_fw_version_str,
1557 .intr_handler = qla24xx_intr_handler,
1558 .enable_intrs = qla24xx_enable_intrs,
1559 .disable_intrs = qla24xx_disable_intrs,
1560 .abort_command = qla24xx_abort_command,
1561 .target_reset = qla24xx_abort_target,
1562 .lun_reset = qla24xx_lun_reset,
1563 .fabric_login = qla24xx_login_fabric,
1564 .fabric_logout = qla24xx_fabric_logout,
1565 .calc_req_entries = NULL,
1566 .build_iocbs = NULL,
1567 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1568 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1569 .read_nvram = qla24xx_read_nvram_data,
1570 .write_nvram = qla24xx_write_nvram_data,
1571 .fw_dump = qla24xx_fw_dump,
1572 .beacon_on = qla24xx_beacon_on,
1573 .beacon_off = qla24xx_beacon_off,
1574 .beacon_blink = qla24xx_beacon_blink,
1575 .read_optrom = qla24xx_read_optrom_data,
1576 .write_optrom = qla24xx_write_optrom_data,
1577 .get_flash_version = qla24xx_get_flash_version,
1578 .start_scsi = qla24xx_start_scsi,
1579 .abort_isp = qla2x00_abort_isp,
1580 };
1581
1582 static struct isp_operations qla25xx_isp_ops = {
1583 .pci_config = qla25xx_pci_config,
1584 .reset_chip = qla24xx_reset_chip,
1585 .chip_diag = qla24xx_chip_diag,
1586 .config_rings = qla24xx_config_rings,
1587 .reset_adapter = qla24xx_reset_adapter,
1588 .nvram_config = qla24xx_nvram_config,
1589 .update_fw_options = qla24xx_update_fw_options,
1590 .load_risc = qla24xx_load_risc,
1591 .pci_info_str = qla24xx_pci_info_str,
1592 .fw_version_str = qla24xx_fw_version_str,
1593 .intr_handler = qla24xx_intr_handler,
1594 .enable_intrs = qla24xx_enable_intrs,
1595 .disable_intrs = qla24xx_disable_intrs,
1596 .abort_command = qla24xx_abort_command,
1597 .target_reset = qla24xx_abort_target,
1598 .lun_reset = qla24xx_lun_reset,
1599 .fabric_login = qla24xx_login_fabric,
1600 .fabric_logout = qla24xx_fabric_logout,
1601 .calc_req_entries = NULL,
1602 .build_iocbs = NULL,
1603 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1604 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1605 .read_nvram = qla25xx_read_nvram_data,
1606 .write_nvram = qla25xx_write_nvram_data,
1607 .fw_dump = qla25xx_fw_dump,
1608 .beacon_on = qla24xx_beacon_on,
1609 .beacon_off = qla24xx_beacon_off,
1610 .beacon_blink = qla24xx_beacon_blink,
1611 .read_optrom = qla25xx_read_optrom_data,
1612 .write_optrom = qla24xx_write_optrom_data,
1613 .get_flash_version = qla24xx_get_flash_version,
1614 .start_scsi = qla24xx_dif_start_scsi,
1615 .abort_isp = qla2x00_abort_isp,
1616 };
1617
1618 static struct isp_operations qla81xx_isp_ops = {
1619 .pci_config = qla25xx_pci_config,
1620 .reset_chip = qla24xx_reset_chip,
1621 .chip_diag = qla24xx_chip_diag,
1622 .config_rings = qla24xx_config_rings,
1623 .reset_adapter = qla24xx_reset_adapter,
1624 .nvram_config = qla81xx_nvram_config,
1625 .update_fw_options = qla81xx_update_fw_options,
1626 .load_risc = qla81xx_load_risc,
1627 .pci_info_str = qla24xx_pci_info_str,
1628 .fw_version_str = qla24xx_fw_version_str,
1629 .intr_handler = qla24xx_intr_handler,
1630 .enable_intrs = qla24xx_enable_intrs,
1631 .disable_intrs = qla24xx_disable_intrs,
1632 .abort_command = qla24xx_abort_command,
1633 .target_reset = qla24xx_abort_target,
1634 .lun_reset = qla24xx_lun_reset,
1635 .fabric_login = qla24xx_login_fabric,
1636 .fabric_logout = qla24xx_fabric_logout,
1637 .calc_req_entries = NULL,
1638 .build_iocbs = NULL,
1639 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1640 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1641 .read_nvram = NULL,
1642 .write_nvram = NULL,
1643 .fw_dump = qla81xx_fw_dump,
1644 .beacon_on = qla24xx_beacon_on,
1645 .beacon_off = qla24xx_beacon_off,
1646 .beacon_blink = qla24xx_beacon_blink,
1647 .read_optrom = qla25xx_read_optrom_data,
1648 .write_optrom = qla24xx_write_optrom_data,
1649 .get_flash_version = qla24xx_get_flash_version,
1650 .start_scsi = qla24xx_dif_start_scsi,
1651 .abort_isp = qla2x00_abort_isp,
1652 };
1653
1654 static struct isp_operations qla82xx_isp_ops = {
1655 .pci_config = qla82xx_pci_config,
1656 .reset_chip = qla82xx_reset_chip,
1657 .chip_diag = qla24xx_chip_diag,
1658 .config_rings = qla82xx_config_rings,
1659 .reset_adapter = qla24xx_reset_adapter,
1660 .nvram_config = qla81xx_nvram_config,
1661 .update_fw_options = qla24xx_update_fw_options,
1662 .load_risc = qla82xx_load_risc,
1663 .pci_info_str = qla82xx_pci_info_str,
1664 .fw_version_str = qla24xx_fw_version_str,
1665 .intr_handler = qla82xx_intr_handler,
1666 .enable_intrs = qla82xx_enable_intrs,
1667 .disable_intrs = qla82xx_disable_intrs,
1668 .abort_command = qla24xx_abort_command,
1669 .target_reset = qla24xx_abort_target,
1670 .lun_reset = qla24xx_lun_reset,
1671 .fabric_login = qla24xx_login_fabric,
1672 .fabric_logout = qla24xx_fabric_logout,
1673 .calc_req_entries = NULL,
1674 .build_iocbs = NULL,
1675 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1676 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1677 .read_nvram = qla24xx_read_nvram_data,
1678 .write_nvram = qla24xx_write_nvram_data,
1679 .fw_dump = qla24xx_fw_dump,
1680 .beacon_on = qla24xx_beacon_on,
1681 .beacon_off = qla24xx_beacon_off,
1682 .beacon_blink = qla24xx_beacon_blink,
1683 .read_optrom = qla82xx_read_optrom_data,
1684 .write_optrom = qla82xx_write_optrom_data,
1685 .get_flash_version = qla24xx_get_flash_version,
1686 .start_scsi = qla82xx_start_scsi,
1687 .abort_isp = qla82xx_abort_isp,
1688 };
1689
1690 static inline void
1691 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1692 {
1693 ha->device_type = DT_EXTENDED_IDS;
1694 switch (ha->pdev->device) {
1695 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1696 ha->device_type |= DT_ISP2100;
1697 ha->device_type &= ~DT_EXTENDED_IDS;
1698 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1699 break;
1700 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1701 ha->device_type |= DT_ISP2200;
1702 ha->device_type &= ~DT_EXTENDED_IDS;
1703 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1704 break;
1705 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1706 ha->device_type |= DT_ISP2300;
1707 ha->device_type |= DT_ZIO_SUPPORTED;
1708 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1709 break;
1710 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1711 ha->device_type |= DT_ISP2312;
1712 ha->device_type |= DT_ZIO_SUPPORTED;
1713 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1714 break;
1715 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1716 ha->device_type |= DT_ISP2322;
1717 ha->device_type |= DT_ZIO_SUPPORTED;
1718 if (ha->pdev->subsystem_vendor == 0x1028 &&
1719 ha->pdev->subsystem_device == 0x0170)
1720 ha->device_type |= DT_OEM_001;
1721 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1722 break;
1723 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1724 ha->device_type |= DT_ISP6312;
1725 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1726 break;
1727 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1728 ha->device_type |= DT_ISP6322;
1729 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1730 break;
1731 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1732 ha->device_type |= DT_ISP2422;
1733 ha->device_type |= DT_ZIO_SUPPORTED;
1734 ha->device_type |= DT_FWI2;
1735 ha->device_type |= DT_IIDMA;
1736 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1737 break;
1738 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1739 ha->device_type |= DT_ISP2432;
1740 ha->device_type |= DT_ZIO_SUPPORTED;
1741 ha->device_type |= DT_FWI2;
1742 ha->device_type |= DT_IIDMA;
1743 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1744 break;
1745 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1746 ha->device_type |= DT_ISP8432;
1747 ha->device_type |= DT_ZIO_SUPPORTED;
1748 ha->device_type |= DT_FWI2;
1749 ha->device_type |= DT_IIDMA;
1750 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1751 break;
1752 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1753 ha->device_type |= DT_ISP5422;
1754 ha->device_type |= DT_FWI2;
1755 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1756 break;
1757 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1758 ha->device_type |= DT_ISP5432;
1759 ha->device_type |= DT_FWI2;
1760 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1761 break;
1762 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1763 ha->device_type |= DT_ISP2532;
1764 ha->device_type |= DT_ZIO_SUPPORTED;
1765 ha->device_type |= DT_FWI2;
1766 ha->device_type |= DT_IIDMA;
1767 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1768 break;
1769 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1770 ha->device_type |= DT_ISP8001;
1771 ha->device_type |= DT_ZIO_SUPPORTED;
1772 ha->device_type |= DT_FWI2;
1773 ha->device_type |= DT_IIDMA;
1774 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1775 break;
1776 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1777 ha->device_type |= DT_ISP8021;
1778 ha->device_type |= DT_ZIO_SUPPORTED;
1779 ha->device_type |= DT_FWI2;
1780 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1781 /* Initialize 82XX ISP flags */
1782 qla82xx_init_flags(ha);
1783 break;
1784 }
1785
1786 if (IS_QLA82XX(ha))
1787 ha->port_no = !(ha->portnum & 1);
1788 else
1789 /* Get adapter physical port no from interrupt pin register. */
1790 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1791
1792 if (ha->port_no & 1)
1793 ha->flags.port0 = 1;
1794 else
1795 ha->flags.port0 = 0;
1796 }
1797
1798 static int
1799 qla2x00_iospace_config(struct qla_hw_data *ha)
1800 {
1801 resource_size_t pio;
1802 uint16_t msix;
1803 int cpus;
1804
1805 if (IS_QLA82XX(ha))
1806 return qla82xx_iospace_config(ha);
1807
1808 if (pci_request_selected_regions(ha->pdev, ha->bars,
1809 QLA2XXX_DRIVER_NAME)) {
1810 qla_printk(KERN_WARNING, ha,
1811 "Failed to reserve PIO/MMIO regions (%s)\n",
1812 pci_name(ha->pdev));
1813
1814 goto iospace_error_exit;
1815 }
1816 if (!(ha->bars & 1))
1817 goto skip_pio;
1818
1819 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1820 pio = pci_resource_start(ha->pdev, 0);
1821 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1822 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1823 qla_printk(KERN_WARNING, ha,
1824 "Invalid PCI I/O region size (%s)...\n",
1825 pci_name(ha->pdev));
1826 pio = 0;
1827 }
1828 } else {
1829 qla_printk(KERN_WARNING, ha,
1830 "region #0 not a PIO resource (%s)...\n",
1831 pci_name(ha->pdev));
1832 pio = 0;
1833 }
1834 ha->pio_address = pio;
1835
1836 skip_pio:
1837 /* Use MMIO operations for all accesses. */
1838 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1839 qla_printk(KERN_ERR, ha,
1840 "region #1 not an MMIO resource (%s), aborting\n",
1841 pci_name(ha->pdev));
1842 goto iospace_error_exit;
1843 }
1844 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1845 qla_printk(KERN_ERR, ha,
1846 "Invalid PCI mem region size (%s), aborting\n",
1847 pci_name(ha->pdev));
1848 goto iospace_error_exit;
1849 }
1850
1851 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1852 if (!ha->iobase) {
1853 qla_printk(KERN_ERR, ha,
1854 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1855
1856 goto iospace_error_exit;
1857 }
1858
1859 /* Determine queue resources */
1860 ha->max_req_queues = ha->max_rsp_queues = 1;
1861 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1862 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1863 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1864 goto mqiobase_exit;
1865
1866 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1867 pci_resource_len(ha->pdev, 3));
1868 if (ha->mqiobase) {
1869 /* Read MSIX vector size of the board */
1870 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1871 ha->msix_count = msix;
1872 /* Max queues are bounded by available msix vectors */
1873 /* queue 0 uses two msix vectors */
1874 if (ql2xmultique_tag) {
1875 cpus = num_online_cpus();
1876 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1877 (cpus + 1) : (ha->msix_count - 1);
1878 ha->max_req_queues = 2;
1879 } else if (ql2xmaxqueues > 1) {
1880 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1881 QLA_MQ_SIZE : ql2xmaxqueues;
1882 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1883 " of request queues:%d\n", ha->max_req_queues));
1884 }
1885 qla_printk(KERN_INFO, ha,
1886 "MSI-X vector count: %d\n", msix);
1887 } else
1888 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
1889
1890 mqiobase_exit:
1891 ha->msix_count = ha->max_rsp_queues + 1;
1892 return (0);
1893
1894 iospace_error_exit:
1895 return (-ENOMEM);
1896 }
1897
1898 static void
1899 qla2xxx_scan_start(struct Scsi_Host *shost)
1900 {
1901 scsi_qla_host_t *vha = shost_priv(shost);
1902
1903 if (vha->hw->flags.running_gold_fw)
1904 return;
1905
1906 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1907 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1908 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1909 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1910 }
1911
1912 static int
1913 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1914 {
1915 scsi_qla_host_t *vha = shost_priv(shost);
1916
1917 if (!vha->host)
1918 return 1;
1919 if (time > vha->hw->loop_reset_delay * HZ)
1920 return 1;
1921
1922 return atomic_read(&vha->loop_state) == LOOP_READY;
1923 }
1924
1925 /*
1926 * PCI driver interface
1927 */
1928 static int __devinit
1929 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1930 {
1931 int ret = -ENODEV;
1932 struct Scsi_Host *host;
1933 scsi_qla_host_t *base_vha = NULL;
1934 struct qla_hw_data *ha;
1935 char pci_info[30];
1936 char fw_str[30];
1937 struct scsi_host_template *sht;
1938 int bars, max_id, mem_only = 0;
1939 uint16_t req_length = 0, rsp_length = 0;
1940 struct req_que *req = NULL;
1941 struct rsp_que *rsp = NULL;
1942
1943 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
1944 sht = &qla2xxx_driver_template;
1945 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
1946 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
1947 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
1948 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
1949 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
1950 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
1951 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1952 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
1953 bars = pci_select_bars(pdev, IORESOURCE_MEM);
1954 mem_only = 1;
1955 }
1956
1957 if (mem_only) {
1958 if (pci_enable_device_mem(pdev))
1959 goto probe_out;
1960 } else {
1961 if (pci_enable_device(pdev))
1962 goto probe_out;
1963 }
1964
1965 /* This may fail but that's ok */
1966 pci_enable_pcie_error_reporting(pdev);
1967
1968 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1969 if (!ha) {
1970 DEBUG(printk("Unable to allocate memory for ha\n"));
1971 goto probe_out;
1972 }
1973 ha->pdev = pdev;
1974
1975 /* Clear our data area */
1976 ha->bars = bars;
1977 ha->mem_only = mem_only;
1978 spin_lock_init(&ha->hardware_lock);
1979
1980 /* Set ISP-type information. */
1981 qla2x00_set_isp_flags(ha);
1982
1983 /* Set EEH reset type to fundamental if required by hba */
1984 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
1985 pdev->needs_freset = 1;
1986 }
1987
1988 /* Configure PCI I/O space */
1989 ret = qla2x00_iospace_config(ha);
1990 if (ret)
1991 goto probe_hw_failed;
1992
1993 qla_printk(KERN_INFO, ha,
1994 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
1995 ha->iobase);
1996
1997 ha->prev_topology = 0;
1998 ha->init_cb_size = sizeof(init_cb_t);
1999 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2000 ha->optrom_size = OPTROM_SIZE_2300;
2001
2002 /* Assign ISP specific operations. */
2003 max_id = MAX_TARGETS_2200;
2004 if (IS_QLA2100(ha)) {
2005 max_id = MAX_TARGETS_2100;
2006 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2007 req_length = REQUEST_ENTRY_CNT_2100;
2008 rsp_length = RESPONSE_ENTRY_CNT_2100;
2009 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2010 ha->gid_list_info_size = 4;
2011 ha->flash_conf_off = ~0;
2012 ha->flash_data_off = ~0;
2013 ha->nvram_conf_off = ~0;
2014 ha->nvram_data_off = ~0;
2015 ha->isp_ops = &qla2100_isp_ops;
2016 } else if (IS_QLA2200(ha)) {
2017 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2018 req_length = REQUEST_ENTRY_CNT_2200;
2019 rsp_length = RESPONSE_ENTRY_CNT_2100;
2020 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2021 ha->gid_list_info_size = 4;
2022 ha->flash_conf_off = ~0;
2023 ha->flash_data_off = ~0;
2024 ha->nvram_conf_off = ~0;
2025 ha->nvram_data_off = ~0;
2026 ha->isp_ops = &qla2100_isp_ops;
2027 } else if (IS_QLA23XX(ha)) {
2028 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2029 req_length = REQUEST_ENTRY_CNT_2200;
2030 rsp_length = RESPONSE_ENTRY_CNT_2300;
2031 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2032 ha->gid_list_info_size = 6;
2033 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2034 ha->optrom_size = OPTROM_SIZE_2322;
2035 ha->flash_conf_off = ~0;
2036 ha->flash_data_off = ~0;
2037 ha->nvram_conf_off = ~0;
2038 ha->nvram_data_off = ~0;
2039 ha->isp_ops = &qla2300_isp_ops;
2040 } else if (IS_QLA24XX_TYPE(ha)) {
2041 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2042 req_length = REQUEST_ENTRY_CNT_24XX;
2043 rsp_length = RESPONSE_ENTRY_CNT_2300;
2044 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2045 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2046 ha->gid_list_info_size = 8;
2047 ha->optrom_size = OPTROM_SIZE_24XX;
2048 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2049 ha->isp_ops = &qla24xx_isp_ops;
2050 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2051 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2052 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2053 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2054 } else if (IS_QLA25XX(ha)) {
2055 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2056 req_length = REQUEST_ENTRY_CNT_24XX;
2057 rsp_length = RESPONSE_ENTRY_CNT_2300;
2058 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2059 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2060 ha->gid_list_info_size = 8;
2061 ha->optrom_size = OPTROM_SIZE_25XX;
2062 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2063 ha->isp_ops = &qla25xx_isp_ops;
2064 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2065 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2066 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2067 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2068 } else if (IS_QLA81XX(ha)) {
2069 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2070 req_length = REQUEST_ENTRY_CNT_24XX;
2071 rsp_length = RESPONSE_ENTRY_CNT_2300;
2072 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2073 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2074 ha->gid_list_info_size = 8;
2075 ha->optrom_size = OPTROM_SIZE_81XX;
2076 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2077 ha->isp_ops = &qla81xx_isp_ops;
2078 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2079 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2080 ha->nvram_conf_off = ~0;
2081 ha->nvram_data_off = ~0;
2082 } else if (IS_QLA82XX(ha)) {
2083 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2084 req_length = REQUEST_ENTRY_CNT_82XX;
2085 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2086 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2087 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2088 ha->gid_list_info_size = 8;
2089 ha->optrom_size = OPTROM_SIZE_82XX;
2090 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2091 ha->isp_ops = &qla82xx_isp_ops;
2092 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2093 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2094 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2095 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2096 }
2097
2098 mutex_init(&ha->vport_lock);
2099 init_completion(&ha->mbx_cmd_comp);
2100 complete(&ha->mbx_cmd_comp);
2101 init_completion(&ha->mbx_intr_comp);
2102 init_completion(&ha->dcbx_comp);
2103
2104 set_bit(0, (unsigned long *) ha->vp_idx_map);
2105
2106 qla2x00_config_dma_addressing(ha);
2107 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2108 if (!ret) {
2109 qla_printk(KERN_WARNING, ha,
2110 "[ERROR] Failed to allocate memory for adapter\n");
2111
2112 goto probe_hw_failed;
2113 }
2114
2115 req->max_q_depth = MAX_Q_DEPTH;
2116 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2117 req->max_q_depth = ql2xmaxqdepth;
2118
2119
2120 base_vha = qla2x00_create_host(sht, ha);
2121 if (!base_vha) {
2122 qla_printk(KERN_WARNING, ha,
2123 "[ERROR] Failed to allocate memory for scsi_host\n");
2124
2125 ret = -ENOMEM;
2126 qla2x00_mem_free(ha);
2127 qla2x00_free_req_que(ha, req);
2128 qla2x00_free_rsp_que(ha, rsp);
2129 goto probe_hw_failed;
2130 }
2131
2132 pci_set_drvdata(pdev, base_vha);
2133
2134 host = base_vha->host;
2135 base_vha->req = req;
2136 host->can_queue = req->length + 128;
2137 if (IS_QLA2XXX_MIDTYPE(ha))
2138 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2139 else
2140 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2141 base_vha->vp_idx;
2142 if (IS_QLA2100(ha))
2143 host->sg_tablesize = 32;
2144 host->max_id = max_id;
2145 host->this_id = 255;
2146 host->cmd_per_lun = 3;
2147 host->unique_id = host->host_no;
2148 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
2149 host->max_cmd_len = 32;
2150 else
2151 host->max_cmd_len = MAX_CMDSZ;
2152 host->max_channel = MAX_BUSES - 1;
2153 host->max_lun = MAX_LUNS;
2154 host->transportt = qla2xxx_transport_template;
2155 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2156
2157 /* Set up the irqs */
2158 ret = qla2x00_request_irqs(ha, rsp);
2159 if (ret)
2160 goto probe_init_failed;
2161
2162 pci_save_state(pdev);
2163
2164 /* Alloc arrays of request and response ring ptrs */
2165 que_init:
2166 if (!qla2x00_alloc_queues(ha)) {
2167 qla_printk(KERN_WARNING, ha,
2168 "[ERROR] Failed to allocate memory for queue"
2169 " pointers\n");
2170 goto probe_init_failed;
2171 }
2172
2173 ha->rsp_q_map[0] = rsp;
2174 ha->req_q_map[0] = req;
2175 rsp->req = req;
2176 req->rsp = rsp;
2177 set_bit(0, ha->req_qid_map);
2178 set_bit(0, ha->rsp_qid_map);
2179 /* FWI2-capable only. */
2180 req->req_q_in = &ha->iobase->isp24.req_q_in;
2181 req->req_q_out = &ha->iobase->isp24.req_q_out;
2182 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2183 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2184 if (ha->mqenable) {
2185 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2186 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2187 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2188 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
2189 }
2190
2191 if (IS_QLA82XX(ha)) {
2192 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2193 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2194 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2195 }
2196
2197 if (qla2x00_initialize_adapter(base_vha)) {
2198 qla_printk(KERN_WARNING, ha,
2199 "Failed to initialize adapter\n");
2200
2201 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2202 "Adapter flags %x.\n",
2203 base_vha->host_no, base_vha->device_flags));
2204
2205 if (IS_QLA82XX(ha)) {
2206 qla82xx_idc_lock(ha);
2207 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2208 QLA82XX_DEV_FAILED);
2209 qla82xx_idc_unlock(ha);
2210 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2211 }
2212
2213 ret = -ENODEV;
2214 goto probe_failed;
2215 }
2216
2217 if (ha->mqenable) {
2218 if (qla25xx_setup_mode(base_vha)) {
2219 qla_printk(KERN_WARNING, ha,
2220 "Can't create queues, falling back to single"
2221 " queue mode\n");
2222 goto que_init;
2223 }
2224 }
2225
2226 if (ha->flags.running_gold_fw)
2227 goto skip_dpc;
2228
2229 /*
2230 * Startup the kernel thread for this host adapter
2231 */
2232 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2233 "%s_dpc", base_vha->host_str);
2234 if (IS_ERR(ha->dpc_thread)) {
2235 qla_printk(KERN_WARNING, ha,
2236 "Unable to start DPC thread!\n");
2237 ret = PTR_ERR(ha->dpc_thread);
2238 goto probe_failed;
2239 }
2240
2241 skip_dpc:
2242 list_add_tail(&base_vha->list, &ha->vp_list);
2243 base_vha->host->irq = ha->pdev->irq;
2244
2245 /* Initialized the timer */
2246 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2247
2248 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
2249 base_vha->host_no, ha));
2250
2251 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
2252 if (ha->fw_attributes & BIT_4) {
2253 base_vha->flags.difdix_supported = 1;
2254 DEBUG18(qla_printk(KERN_INFO, ha,
2255 "Registering for DIF/DIX type 1 and 3"
2256 " protection.\n"));
2257 scsi_host_set_prot(host,
2258 SHOST_DIF_TYPE1_PROTECTION
2259 | SHOST_DIF_TYPE2_PROTECTION
2260 | SHOST_DIF_TYPE3_PROTECTION
2261 | SHOST_DIX_TYPE1_PROTECTION
2262 | SHOST_DIX_TYPE2_PROTECTION
2263 | SHOST_DIX_TYPE3_PROTECTION);
2264 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2265 } else
2266 base_vha->flags.difdix_supported = 0;
2267 }
2268
2269 ha->isp_ops->enable_intrs(ha);
2270
2271 ret = scsi_add_host(host, &pdev->dev);
2272 if (ret)
2273 goto probe_failed;
2274
2275 base_vha->flags.init_done = 1;
2276 base_vha->flags.online = 1;
2277
2278 scsi_scan_host(host);
2279
2280 qla2x00_alloc_sysfs_attr(base_vha);
2281
2282 qla2x00_init_host_attr(base_vha);
2283
2284 qla2x00_dfs_setup(base_vha);
2285
2286 qla_printk(KERN_INFO, ha, "\n"
2287 " QLogic Fibre Channel HBA Driver: %s\n"
2288 " QLogic %s - %s\n"
2289 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2290 qla2x00_version_str, ha->model_number,
2291 ha->model_desc ? ha->model_desc : "", pdev->device,
2292 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2293 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2294 ha->isp_ops->fw_version_str(base_vha, fw_str));
2295
2296 return 0;
2297
2298 probe_init_failed:
2299 qla2x00_free_req_que(ha, req);
2300 qla2x00_free_rsp_que(ha, rsp);
2301 ha->max_req_queues = ha->max_rsp_queues = 0;
2302
2303 probe_failed:
2304 if (base_vha->timer_active)
2305 qla2x00_stop_timer(base_vha);
2306 base_vha->flags.online = 0;
2307 if (ha->dpc_thread) {
2308 struct task_struct *t = ha->dpc_thread;
2309
2310 ha->dpc_thread = NULL;
2311 kthread_stop(t);
2312 }
2313
2314 qla2x00_free_device(base_vha);
2315
2316 scsi_host_put(base_vha->host);
2317
2318 probe_hw_failed:
2319 if (IS_QLA82XX(ha)) {
2320 qla82xx_idc_lock(ha);
2321 qla82xx_clear_drv_active(ha);
2322 qla82xx_idc_unlock(ha);
2323 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2324 if (!ql2xdbwr)
2325 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2326 } else {
2327 if (ha->iobase)
2328 iounmap(ha->iobase);
2329 }
2330 pci_release_selected_regions(ha->pdev, ha->bars);
2331 kfree(ha);
2332 ha = NULL;
2333
2334 probe_out:
2335 pci_disable_device(pdev);
2336 return ret;
2337 }
2338
2339 static void
2340 qla2x00_remove_one(struct pci_dev *pdev)
2341 {
2342 scsi_qla_host_t *base_vha, *vha;
2343 struct qla_hw_data *ha;
2344 unsigned long flags;
2345
2346 base_vha = pci_get_drvdata(pdev);
2347 ha = base_vha->hw;
2348
2349 spin_lock_irqsave(&ha->vport_slock, flags);
2350 list_for_each_entry(vha, &ha->vp_list, list) {
2351 atomic_inc(&vha->vref_count);
2352
2353 if (vha && vha->fc_vport) {
2354 spin_unlock_irqrestore(&ha->vport_slock, flags);
2355
2356 fc_vport_terminate(vha->fc_vport);
2357
2358 spin_lock_irqsave(&ha->vport_slock, flags);
2359 }
2360
2361 atomic_dec(&vha->vref_count);
2362 }
2363 spin_unlock_irqrestore(&ha->vport_slock, flags);
2364
2365 set_bit(UNLOADING, &base_vha->dpc_flags);
2366
2367 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2368
2369 qla2x00_dfs_remove(base_vha);
2370
2371 qla84xx_put_chip(base_vha);
2372
2373 /* Disable timer */
2374 if (base_vha->timer_active)
2375 qla2x00_stop_timer(base_vha);
2376
2377 base_vha->flags.online = 0;
2378
2379 /* Flush the work queue and remove it */
2380 if (ha->wq) {
2381 flush_workqueue(ha->wq);
2382 destroy_workqueue(ha->wq);
2383 ha->wq = NULL;
2384 }
2385
2386 /* Kill the kernel thread for this host */
2387 if (ha->dpc_thread) {
2388 struct task_struct *t = ha->dpc_thread;
2389
2390 /*
2391 * qla2xxx_wake_dpc checks for ->dpc_thread
2392 * so we need to zero it out.
2393 */
2394 ha->dpc_thread = NULL;
2395 kthread_stop(t);
2396 }
2397
2398 qla2x00_free_sysfs_attr(base_vha);
2399
2400 fc_remove_host(base_vha->host);
2401
2402 scsi_remove_host(base_vha->host);
2403
2404 qla2x00_free_device(base_vha);
2405
2406 scsi_host_put(base_vha->host);
2407
2408 if (IS_QLA82XX(ha)) {
2409 qla82xx_idc_lock(ha);
2410 qla82xx_clear_drv_active(ha);
2411 qla82xx_idc_unlock(ha);
2412
2413 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2414 if (!ql2xdbwr)
2415 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2416 } else {
2417 if (ha->iobase)
2418 iounmap(ha->iobase);
2419
2420 if (ha->mqiobase)
2421 iounmap(ha->mqiobase);
2422 }
2423
2424 pci_release_selected_regions(ha->pdev, ha->bars);
2425 kfree(ha);
2426 ha = NULL;
2427
2428 pci_disable_pcie_error_reporting(pdev);
2429
2430 pci_disable_device(pdev);
2431 pci_set_drvdata(pdev, NULL);
2432 }
2433
2434 static void
2435 qla2x00_free_device(scsi_qla_host_t *vha)
2436 {
2437 struct qla_hw_data *ha = vha->hw;
2438
2439 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2440
2441 /* Disable timer */
2442 if (vha->timer_active)
2443 qla2x00_stop_timer(vha);
2444
2445 /* Kill the kernel thread for this host */
2446 if (ha->dpc_thread) {
2447 struct task_struct *t = ha->dpc_thread;
2448
2449 /*
2450 * qla2xxx_wake_dpc checks for ->dpc_thread
2451 * so we need to zero it out.
2452 */
2453 ha->dpc_thread = NULL;
2454 kthread_stop(t);
2455 }
2456
2457 qla25xx_delete_queues(vha);
2458
2459 if (ha->flags.fce_enabled)
2460 qla2x00_disable_fce_trace(vha, NULL, NULL);
2461
2462 if (ha->eft)
2463 qla2x00_disable_eft_trace(vha);
2464
2465 /* Stop currently executing firmware. */
2466 qla2x00_try_to_stop_firmware(vha);
2467
2468 vha->flags.online = 0;
2469
2470 /* turn-off interrupts on the card */
2471 if (ha->interrupts_on) {
2472 vha->flags.init_done = 0;
2473 ha->isp_ops->disable_intrs(ha);
2474 }
2475
2476 qla2x00_free_irqs(vha);
2477
2478 qla2x00_free_fcports(vha);
2479
2480 qla2x00_mem_free(ha);
2481
2482 qla2x00_free_queues(ha);
2483 }
2484
2485 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2486 {
2487 fc_port_t *fcport, *tfcport;
2488
2489 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2490 list_del(&fcport->list);
2491 kfree(fcport);
2492 fcport = NULL;
2493 }
2494 }
2495
2496 static inline void
2497 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2498 int defer)
2499 {
2500 struct fc_rport *rport;
2501 scsi_qla_host_t *base_vha;
2502
2503 if (!fcport->rport)
2504 return;
2505
2506 rport = fcport->rport;
2507 if (defer) {
2508 base_vha = pci_get_drvdata(vha->hw->pdev);
2509 spin_lock_irq(vha->host->host_lock);
2510 fcport->drport = rport;
2511 spin_unlock_irq(vha->host->host_lock);
2512 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2513 qla2xxx_wake_dpc(base_vha);
2514 } else
2515 fc_remote_port_delete(rport);
2516 }
2517
2518 /*
2519 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2520 *
2521 * Input: ha = adapter block pointer. fcport = port structure pointer.
2522 *
2523 * Return: None.
2524 *
2525 * Context:
2526 */
2527 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2528 int do_login, int defer)
2529 {
2530 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2531 vha->vp_idx == fcport->vp_idx) {
2532 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2533 qla2x00_schedule_rport_del(vha, fcport, defer);
2534 }
2535 /*
2536 * We may need to retry the login, so don't change the state of the
2537 * port but do the retries.
2538 */
2539 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2540 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2541
2542 if (!do_login)
2543 return;
2544
2545 if (fcport->login_retry == 0) {
2546 fcport->login_retry = vha->hw->login_retry_count;
2547 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2548
2549 DEBUG(printk("scsi(%ld): Port login retry: "
2550 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2551 "id = 0x%04x retry cnt=%d\n",
2552 vha->host_no,
2553 fcport->port_name[0],
2554 fcport->port_name[1],
2555 fcport->port_name[2],
2556 fcport->port_name[3],
2557 fcport->port_name[4],
2558 fcport->port_name[5],
2559 fcport->port_name[6],
2560 fcport->port_name[7],
2561 fcport->loop_id,
2562 fcport->login_retry));
2563 }
2564 }
2565
2566 /*
2567 * qla2x00_mark_all_devices_lost
2568 * Updates fcport state when device goes offline.
2569 *
2570 * Input:
2571 * ha = adapter block pointer.
2572 * fcport = port structure pointer.
2573 *
2574 * Return:
2575 * None.
2576 *
2577 * Context:
2578 */
2579 void
2580 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2581 {
2582 fc_port_t *fcport;
2583
2584 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2585 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2586 continue;
2587
2588 /*
2589 * No point in marking the device as lost, if the device is
2590 * already DEAD.
2591 */
2592 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2593 continue;
2594 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2595 if (defer)
2596 qla2x00_schedule_rport_del(vha, fcport, defer);
2597 else if (vha->vp_idx == fcport->vp_idx)
2598 qla2x00_schedule_rport_del(vha, fcport, defer);
2599 }
2600 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2601 }
2602 }
2603
2604 /*
2605 * qla2x00_mem_alloc
2606 * Allocates adapter memory.
2607 *
2608 * Returns:
2609 * 0 = success.
2610 * !0 = failure.
2611 */
2612 static int
2613 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2614 struct req_que **req, struct rsp_que **rsp)
2615 {
2616 char name[16];
2617
2618 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2619 &ha->init_cb_dma, GFP_KERNEL);
2620 if (!ha->init_cb)
2621 goto fail;
2622
2623 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2624 &ha->gid_list_dma, GFP_KERNEL);
2625 if (!ha->gid_list)
2626 goto fail_free_init_cb;
2627
2628 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2629 if (!ha->srb_mempool)
2630 goto fail_free_gid_list;
2631
2632 if (IS_QLA82XX(ha)) {
2633 /* Allocate cache for CT6 Ctx. */
2634 if (!ctx_cachep) {
2635 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2636 sizeof(struct ct6_dsd), 0,
2637 SLAB_HWCACHE_ALIGN, NULL);
2638 if (!ctx_cachep)
2639 goto fail_free_gid_list;
2640 }
2641 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2642 ctx_cachep);
2643 if (!ha->ctx_mempool)
2644 goto fail_free_srb_mempool;
2645 }
2646
2647 /* Get memory for cached NVRAM */
2648 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2649 if (!ha->nvram)
2650 goto fail_free_ctx_mempool;
2651
2652 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2653 ha->pdev->device);
2654 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2655 DMA_POOL_SIZE, 8, 0);
2656 if (!ha->s_dma_pool)
2657 goto fail_free_nvram;
2658
2659 if (IS_QLA82XX(ha) || ql2xenabledif) {
2660 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2661 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2662 if (!ha->dl_dma_pool) {
2663 qla_printk(KERN_WARNING, ha,
2664 "Memory Allocation failed - dl_dma_pool\n");
2665 goto fail_s_dma_pool;
2666 }
2667
2668 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2669 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2670 if (!ha->fcp_cmnd_dma_pool) {
2671 qla_printk(KERN_WARNING, ha,
2672 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2673 goto fail_dl_dma_pool;
2674 }
2675 }
2676
2677 /* Allocate memory for SNS commands */
2678 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2679 /* Get consistent memory allocated for SNS commands */
2680 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
2681 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
2682 if (!ha->sns_cmd)
2683 goto fail_dma_pool;
2684 } else {
2685 /* Get consistent memory allocated for MS IOCB */
2686 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2687 &ha->ms_iocb_dma);
2688 if (!ha->ms_iocb)
2689 goto fail_dma_pool;
2690 /* Get consistent memory allocated for CT SNS commands */
2691 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
2692 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
2693 if (!ha->ct_sns)
2694 goto fail_free_ms_iocb;
2695 }
2696
2697 /* Allocate memory for request ring */
2698 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2699 if (!*req) {
2700 DEBUG(printk("Unable to allocate memory for req\n"));
2701 goto fail_req;
2702 }
2703 (*req)->length = req_len;
2704 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2705 ((*req)->length + 1) * sizeof(request_t),
2706 &(*req)->dma, GFP_KERNEL);
2707 if (!(*req)->ring) {
2708 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2709 goto fail_req_ring;
2710 }
2711 /* Allocate memory for response ring */
2712 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2713 if (!*rsp) {
2714 qla_printk(KERN_WARNING, ha,
2715 "Unable to allocate memory for rsp\n");
2716 goto fail_rsp;
2717 }
2718 (*rsp)->hw = ha;
2719 (*rsp)->length = rsp_len;
2720 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2721 ((*rsp)->length + 1) * sizeof(response_t),
2722 &(*rsp)->dma, GFP_KERNEL);
2723 if (!(*rsp)->ring) {
2724 qla_printk(KERN_WARNING, ha,
2725 "Unable to allocate memory for rsp_ring\n");
2726 goto fail_rsp_ring;
2727 }
2728 (*req)->rsp = *rsp;
2729 (*rsp)->req = *req;
2730 /* Allocate memory for NVRAM data for vports */
2731 if (ha->nvram_npiv_size) {
2732 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2733 ha->nvram_npiv_size, GFP_KERNEL);
2734 if (!ha->npiv_info) {
2735 qla_printk(KERN_WARNING, ha,
2736 "Unable to allocate memory for npiv info\n");
2737 goto fail_npiv_info;
2738 }
2739 } else
2740 ha->npiv_info = NULL;
2741
2742 /* Get consistent memory allocated for EX-INIT-CB. */
2743 if (IS_QLA8XXX_TYPE(ha)) {
2744 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2745 &ha->ex_init_cb_dma);
2746 if (!ha->ex_init_cb)
2747 goto fail_ex_init_cb;
2748 }
2749
2750 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2751
2752 /* Get consistent memory allocated for Async Port-Database. */
2753 if (!IS_FWI2_CAPABLE(ha)) {
2754 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2755 &ha->async_pd_dma);
2756 if (!ha->async_pd)
2757 goto fail_async_pd;
2758 }
2759
2760 INIT_LIST_HEAD(&ha->vp_list);
2761 return 1;
2762
2763 fail_async_pd:
2764 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
2765 fail_ex_init_cb:
2766 kfree(ha->npiv_info);
2767 fail_npiv_info:
2768 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2769 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2770 (*rsp)->ring = NULL;
2771 (*rsp)->dma = 0;
2772 fail_rsp_ring:
2773 kfree(*rsp);
2774 fail_rsp:
2775 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2776 sizeof(request_t), (*req)->ring, (*req)->dma);
2777 (*req)->ring = NULL;
2778 (*req)->dma = 0;
2779 fail_req_ring:
2780 kfree(*req);
2781 fail_req:
2782 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2783 ha->ct_sns, ha->ct_sns_dma);
2784 ha->ct_sns = NULL;
2785 ha->ct_sns_dma = 0;
2786 fail_free_ms_iocb:
2787 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2788 ha->ms_iocb = NULL;
2789 ha->ms_iocb_dma = 0;
2790 fail_dma_pool:
2791 if (IS_QLA82XX(ha) || ql2xenabledif) {
2792 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2793 ha->fcp_cmnd_dma_pool = NULL;
2794 }
2795 fail_dl_dma_pool:
2796 if (IS_QLA82XX(ha) || ql2xenabledif) {
2797 dma_pool_destroy(ha->dl_dma_pool);
2798 ha->dl_dma_pool = NULL;
2799 }
2800 fail_s_dma_pool:
2801 dma_pool_destroy(ha->s_dma_pool);
2802 ha->s_dma_pool = NULL;
2803 fail_free_nvram:
2804 kfree(ha->nvram);
2805 ha->nvram = NULL;
2806 fail_free_ctx_mempool:
2807 mempool_destroy(ha->ctx_mempool);
2808 ha->ctx_mempool = NULL;
2809 fail_free_srb_mempool:
2810 mempool_destroy(ha->srb_mempool);
2811 ha->srb_mempool = NULL;
2812 fail_free_gid_list:
2813 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2814 ha->gid_list_dma);
2815 ha->gid_list = NULL;
2816 ha->gid_list_dma = 0;
2817 fail_free_init_cb:
2818 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2819 ha->init_cb_dma);
2820 ha->init_cb = NULL;
2821 ha->init_cb_dma = 0;
2822 fail:
2823 DEBUG(printk("%s: Memory allocation failure\n", __func__));
2824 return -ENOMEM;
2825 }
2826
2827 /*
2828 * qla2x00_mem_free
2829 * Frees all adapter allocated memory.
2830 *
2831 * Input:
2832 * ha = adapter block pointer.
2833 */
2834 static void
2835 qla2x00_mem_free(struct qla_hw_data *ha)
2836 {
2837 if (ha->srb_mempool)
2838 mempool_destroy(ha->srb_mempool);
2839
2840 if (ha->fce)
2841 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2842 ha->fce_dma);
2843
2844 if (ha->fw_dump) {
2845 if (ha->eft)
2846 dma_free_coherent(&ha->pdev->dev,
2847 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
2848 vfree(ha->fw_dump);
2849 }
2850
2851 if (ha->dcbx_tlv)
2852 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2853 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2854
2855 if (ha->xgmac_data)
2856 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2857 ha->xgmac_data, ha->xgmac_data_dma);
2858
2859 if (ha->sns_cmd)
2860 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
2861 ha->sns_cmd, ha->sns_cmd_dma);
2862
2863 if (ha->ct_sns)
2864 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2865 ha->ct_sns, ha->ct_sns_dma);
2866
2867 if (ha->sfp_data)
2868 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2869
2870 if (ha->edc_data)
2871 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2872
2873 if (ha->ms_iocb)
2874 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2875
2876 if (ha->ex_init_cb)
2877 dma_pool_free(ha->s_dma_pool,
2878 ha->ex_init_cb, ha->ex_init_cb_dma);
2879
2880 if (ha->async_pd)
2881 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2882
2883 if (ha->s_dma_pool)
2884 dma_pool_destroy(ha->s_dma_pool);
2885
2886 if (ha->gid_list)
2887 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
2888 ha->gid_list_dma);
2889
2890 if (IS_QLA82XX(ha)) {
2891 if (!list_empty(&ha->gbl_dsd_list)) {
2892 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2893
2894 /* clean up allocated prev pool */
2895 list_for_each_entry_safe(dsd_ptr,
2896 tdsd_ptr, &ha->gbl_dsd_list, list) {
2897 dma_pool_free(ha->dl_dma_pool,
2898 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2899 list_del(&dsd_ptr->list);
2900 kfree(dsd_ptr);
2901 }
2902 }
2903 }
2904
2905 if (ha->dl_dma_pool)
2906 dma_pool_destroy(ha->dl_dma_pool);
2907
2908 if (ha->fcp_cmnd_dma_pool)
2909 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2910
2911 if (ha->ctx_mempool)
2912 mempool_destroy(ha->ctx_mempool);
2913
2914 if (ha->init_cb)
2915 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
2916 ha->init_cb, ha->init_cb_dma);
2917 vfree(ha->optrom_buffer);
2918 kfree(ha->nvram);
2919 kfree(ha->npiv_info);
2920
2921 ha->srb_mempool = NULL;
2922 ha->ctx_mempool = NULL;
2923 ha->eft = NULL;
2924 ha->eft_dma = 0;
2925 ha->sns_cmd = NULL;
2926 ha->sns_cmd_dma = 0;
2927 ha->ct_sns = NULL;
2928 ha->ct_sns_dma = 0;
2929 ha->ms_iocb = NULL;
2930 ha->ms_iocb_dma = 0;
2931 ha->init_cb = NULL;
2932 ha->init_cb_dma = 0;
2933 ha->ex_init_cb = NULL;
2934 ha->ex_init_cb_dma = 0;
2935 ha->async_pd = NULL;
2936 ha->async_pd_dma = 0;
2937
2938 ha->s_dma_pool = NULL;
2939 ha->dl_dma_pool = NULL;
2940 ha->fcp_cmnd_dma_pool = NULL;
2941
2942 ha->gid_list = NULL;
2943 ha->gid_list_dma = 0;
2944
2945 ha->fw_dump = NULL;
2946 ha->fw_dumped = 0;
2947 ha->fw_dump_reading = 0;
2948 }
2949
2950 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2951 struct qla_hw_data *ha)
2952 {
2953 struct Scsi_Host *host;
2954 struct scsi_qla_host *vha = NULL;
2955
2956 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2957 if (host == NULL) {
2958 printk(KERN_WARNING
2959 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2960 goto fail;
2961 }
2962
2963 /* Clear our data area */
2964 vha = shost_priv(host);
2965 memset(vha, 0, sizeof(scsi_qla_host_t));
2966
2967 vha->host = host;
2968 vha->host_no = host->host_no;
2969 vha->hw = ha;
2970
2971 INIT_LIST_HEAD(&vha->vp_fcports);
2972 INIT_LIST_HEAD(&vha->work_list);
2973 INIT_LIST_HEAD(&vha->list);
2974
2975 spin_lock_init(&vha->work_lock);
2976
2977 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2978 return vha;
2979
2980 fail:
2981 return vha;
2982 }
2983
2984 static struct qla_work_evt *
2985 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
2986 {
2987 struct qla_work_evt *e;
2988 uint8_t bail;
2989
2990 QLA_VHA_MARK_BUSY(vha, bail);
2991 if (bail)
2992 return NULL;
2993
2994 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
2995 if (!e) {
2996 QLA_VHA_MARK_NOT_BUSY(vha);
2997 return NULL;
2998 }
2999
3000 INIT_LIST_HEAD(&e->list);
3001 e->type = type;
3002 e->flags = QLA_EVT_FLAG_FREE;
3003 return e;
3004 }
3005
3006 static int
3007 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3008 {
3009 unsigned long flags;
3010
3011 spin_lock_irqsave(&vha->work_lock, flags);
3012 list_add_tail(&e->list, &vha->work_list);
3013 spin_unlock_irqrestore(&vha->work_lock, flags);
3014 qla2xxx_wake_dpc(vha);
3015
3016 return QLA_SUCCESS;
3017 }
3018
3019 int
3020 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3021 u32 data)
3022 {
3023 struct qla_work_evt *e;
3024
3025 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3026 if (!e)
3027 return QLA_FUNCTION_FAILED;
3028
3029 e->u.aen.code = code;
3030 e->u.aen.data = data;
3031 return qla2x00_post_work(vha, e);
3032 }
3033
3034 int
3035 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3036 {
3037 struct qla_work_evt *e;
3038
3039 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3040 if (!e)
3041 return QLA_FUNCTION_FAILED;
3042
3043 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3044 return qla2x00_post_work(vha, e);
3045 }
3046
3047 #define qla2x00_post_async_work(name, type) \
3048 int qla2x00_post_async_##name##_work( \
3049 struct scsi_qla_host *vha, \
3050 fc_port_t *fcport, uint16_t *data) \
3051 { \
3052 struct qla_work_evt *e; \
3053 \
3054 e = qla2x00_alloc_work(vha, type); \
3055 if (!e) \
3056 return QLA_FUNCTION_FAILED; \
3057 \
3058 e->u.logio.fcport = fcport; \
3059 if (data) { \
3060 e->u.logio.data[0] = data[0]; \
3061 e->u.logio.data[1] = data[1]; \
3062 } \
3063 return qla2x00_post_work(vha, e); \
3064 }
3065
3066 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3067 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3068 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3069 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3070 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3071 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3072
3073 int
3074 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3075 {
3076 struct qla_work_evt *e;
3077
3078 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3079 if (!e)
3080 return QLA_FUNCTION_FAILED;
3081
3082 e->u.uevent.code = code;
3083 return qla2x00_post_work(vha, e);
3084 }
3085
3086 static void
3087 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3088 {
3089 char event_string[40];
3090 char *envp[] = { event_string, NULL };
3091
3092 switch (code) {
3093 case QLA_UEVENT_CODE_FW_DUMP:
3094 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3095 vha->host_no);
3096 break;
3097 default:
3098 /* do nothing */
3099 break;
3100 }
3101 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3102 }
3103
3104 void
3105 qla2x00_do_work(struct scsi_qla_host *vha)
3106 {
3107 struct qla_work_evt *e, *tmp;
3108 unsigned long flags;
3109 LIST_HEAD(work);
3110
3111 spin_lock_irqsave(&vha->work_lock, flags);
3112 list_splice_init(&vha->work_list, &work);
3113 spin_unlock_irqrestore(&vha->work_lock, flags);
3114
3115 list_for_each_entry_safe(e, tmp, &work, list) {
3116 list_del_init(&e->list);
3117
3118 switch (e->type) {
3119 case QLA_EVT_AEN:
3120 fc_host_post_event(vha->host, fc_get_event_number(),
3121 e->u.aen.code, e->u.aen.data);
3122 break;
3123 case QLA_EVT_IDC_ACK:
3124 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3125 break;
3126 case QLA_EVT_ASYNC_LOGIN:
3127 qla2x00_async_login(vha, e->u.logio.fcport,
3128 e->u.logio.data);
3129 break;
3130 case QLA_EVT_ASYNC_LOGIN_DONE:
3131 qla2x00_async_login_done(vha, e->u.logio.fcport,
3132 e->u.logio.data);
3133 break;
3134 case QLA_EVT_ASYNC_LOGOUT:
3135 qla2x00_async_logout(vha, e->u.logio.fcport);
3136 break;
3137 case QLA_EVT_ASYNC_LOGOUT_DONE:
3138 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3139 e->u.logio.data);
3140 break;
3141 case QLA_EVT_ASYNC_ADISC:
3142 qla2x00_async_adisc(vha, e->u.logio.fcport,
3143 e->u.logio.data);
3144 break;
3145 case QLA_EVT_ASYNC_ADISC_DONE:
3146 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3147 e->u.logio.data);
3148 break;
3149 case QLA_EVT_UEVENT:
3150 qla2x00_uevent_emit(vha, e->u.uevent.code);
3151 break;
3152 }
3153 if (e->flags & QLA_EVT_FLAG_FREE)
3154 kfree(e);
3155
3156 /* For each work completed decrement vha ref count */
3157 QLA_VHA_MARK_NOT_BUSY(vha);
3158 }
3159 }
3160
3161 /* Relogins all the fcports of a vport
3162 * Context: dpc thread
3163 */
3164 void qla2x00_relogin(struct scsi_qla_host *vha)
3165 {
3166 fc_port_t *fcport;
3167 int status;
3168 uint16_t next_loopid = 0;
3169 struct qla_hw_data *ha = vha->hw;
3170 uint16_t data[2];
3171
3172 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3173 /*
3174 * If the port is not ONLINE then try to login
3175 * to it if we haven't run out of retries.
3176 */
3177 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3178 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3179 fcport->login_retry--;
3180 if (fcport->flags & FCF_FABRIC_DEVICE) {
3181 if (fcport->flags & FCF_FCP2_DEVICE)
3182 ha->isp_ops->fabric_logout(vha,
3183 fcport->loop_id,
3184 fcport->d_id.b.domain,
3185 fcport->d_id.b.area,
3186 fcport->d_id.b.al_pa);
3187
3188 if (IS_ALOGIO_CAPABLE(ha)) {
3189 fcport->flags |= FCF_ASYNC_SENT;
3190 data[0] = 0;
3191 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3192 status = qla2x00_post_async_login_work(
3193 vha, fcport, data);
3194 if (status == QLA_SUCCESS)
3195 continue;
3196 /* Attempt a retry. */
3197 status = 1;
3198 } else
3199 status = qla2x00_fabric_login(vha,
3200 fcport, &next_loopid);
3201 } else
3202 status = qla2x00_local_device_login(vha,
3203 fcport);
3204
3205 if (status == QLA_SUCCESS) {
3206 fcport->old_loop_id = fcport->loop_id;
3207
3208 DEBUG(printk("scsi(%ld): port login OK: logged "
3209 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3210
3211 qla2x00_update_fcport(vha, fcport);
3212
3213 } else if (status == 1) {
3214 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3215 /* retry the login again */
3216 DEBUG(printk("scsi(%ld): Retrying"
3217 " %d login again loop_id 0x%x\n",
3218 vha->host_no, fcport->login_retry,
3219 fcport->loop_id));
3220 } else {
3221 fcport->login_retry = 0;
3222 }
3223
3224 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3225 fcport->loop_id = FC_NO_LOOP_ID;
3226 }
3227 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3228 break;
3229 }
3230 }
3231
3232 /**************************************************************************
3233 * qla2x00_do_dpc
3234 * This kernel thread is a task that is schedule by the interrupt handler
3235 * to perform the background processing for interrupts.
3236 *
3237 * Notes:
3238 * This task always run in the context of a kernel thread. It
3239 * is kick-off by the driver's detect code and starts up
3240 * up one per adapter. It immediately goes to sleep and waits for
3241 * some fibre event. When either the interrupt handler or
3242 * the timer routine detects a event it will one of the task
3243 * bits then wake us up.
3244 **************************************************************************/
3245 static int
3246 qla2x00_do_dpc(void *data)
3247 {
3248 int rval;
3249 scsi_qla_host_t *base_vha;
3250 struct qla_hw_data *ha;
3251
3252 ha = (struct qla_hw_data *)data;
3253 base_vha = pci_get_drvdata(ha->pdev);
3254
3255 set_user_nice(current, -20);
3256
3257 while (!kthread_should_stop()) {
3258 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3259
3260 set_current_state(TASK_INTERRUPTIBLE);
3261 schedule();
3262 __set_current_state(TASK_RUNNING);
3263
3264 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3265
3266 /* Initialization not yet finished. Don't do anything yet. */
3267 if (!base_vha->flags.init_done)
3268 continue;
3269
3270 if (ha->flags.eeh_busy) {
3271 DEBUG17(qla_printk(KERN_WARNING, ha,
3272 "qla2x00_do_dpc: dpc_flags: %lx\n",
3273 base_vha->dpc_flags));
3274 continue;
3275 }
3276
3277 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
3278
3279 ha->dpc_active = 1;
3280
3281 if (ha->flags.mbox_busy) {
3282 ha->dpc_active = 0;
3283 continue;
3284 }
3285
3286 qla2x00_do_work(base_vha);
3287
3288 if (IS_QLA82XX(ha)) {
3289 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3290 &base_vha->dpc_flags)) {
3291 qla82xx_idc_lock(ha);
3292 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3293 QLA82XX_DEV_FAILED);
3294 qla82xx_idc_unlock(ha);
3295 qla_printk(KERN_INFO, ha,
3296 "HW State: FAILED\n");
3297 qla82xx_device_state_handler(base_vha);
3298 continue;
3299 }
3300
3301 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3302 &base_vha->dpc_flags)) {
3303
3304 DEBUG(printk(KERN_INFO
3305 "scsi(%ld): dpc: sched "
3306 "qla82xx_fcoe_ctx_reset ha = %p\n",
3307 base_vha->host_no, ha));
3308 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3309 &base_vha->dpc_flags))) {
3310 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3311 /* FCoE-ctx reset failed.
3312 * Escalate to chip-reset
3313 */
3314 set_bit(ISP_ABORT_NEEDED,
3315 &base_vha->dpc_flags);
3316 }
3317 clear_bit(ABORT_ISP_ACTIVE,
3318 &base_vha->dpc_flags);
3319 }
3320
3321 DEBUG(printk("scsi(%ld): dpc:"
3322 " qla82xx_fcoe_ctx_reset end\n",
3323 base_vha->host_no));
3324 }
3325 }
3326
3327 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3328 &base_vha->dpc_flags)) {
3329
3330 DEBUG(printk("scsi(%ld): dpc: sched "
3331 "qla2x00_abort_isp ha = %p\n",
3332 base_vha->host_no, ha));
3333 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3334 &base_vha->dpc_flags))) {
3335
3336 if (ha->isp_ops->abort_isp(base_vha)) {
3337 /* failed. retry later */
3338 set_bit(ISP_ABORT_NEEDED,
3339 &base_vha->dpc_flags);
3340 }
3341 clear_bit(ABORT_ISP_ACTIVE,
3342 &base_vha->dpc_flags);
3343 }
3344
3345 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
3346 base_vha->host_no));
3347 }
3348
3349 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3350 qla2x00_update_fcports(base_vha);
3351 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3352 }
3353
3354 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3355 &base_vha->dpc_flags) &&
3356 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3357
3358 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
3359 base_vha->host_no));
3360
3361 qla2x00_rst_aen(base_vha);
3362 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3363 }
3364
3365 /* Retry each device up to login retry count */
3366 if ((test_and_clear_bit(RELOGIN_NEEDED,
3367 &base_vha->dpc_flags)) &&
3368 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3369 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3370
3371 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
3372 base_vha->host_no));
3373 qla2x00_relogin(base_vha);
3374
3375 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
3376 base_vha->host_no));
3377 }
3378
3379 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3380 &base_vha->dpc_flags)) {
3381
3382 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
3383 base_vha->host_no));
3384
3385 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3386 &base_vha->dpc_flags))) {
3387
3388 rval = qla2x00_loop_resync(base_vha);
3389
3390 clear_bit(LOOP_RESYNC_ACTIVE,
3391 &base_vha->dpc_flags);
3392 }
3393
3394 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
3395 base_vha->host_no));
3396 }
3397
3398 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3399 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3400 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3401 qla2xxx_flash_npiv_conf(base_vha);
3402 }
3403
3404 if (!ha->interrupts_on)
3405 ha->isp_ops->enable_intrs(ha);
3406
3407 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3408 &base_vha->dpc_flags))
3409 ha->isp_ops->beacon_blink(base_vha);
3410
3411 qla2x00_do_dpc_all_vps(base_vha);
3412
3413 ha->dpc_active = 0;
3414 } /* End of while(1) */
3415
3416 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
3417
3418 /*
3419 * Make sure that nobody tries to wake us up again.
3420 */
3421 ha->dpc_active = 0;
3422
3423 /* Cleanup any residual CTX SRBs. */
3424 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3425
3426 return 0;
3427 }
3428
3429 void
3430 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3431 {
3432 struct qla_hw_data *ha = vha->hw;
3433 struct task_struct *t = ha->dpc_thread;
3434
3435 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3436 wake_up_process(t);
3437 }
3438
3439 /*
3440 * qla2x00_rst_aen
3441 * Processes asynchronous reset.
3442 *
3443 * Input:
3444 * ha = adapter block pointer.
3445 */
3446 static void
3447 qla2x00_rst_aen(scsi_qla_host_t *vha)
3448 {
3449 if (vha->flags.online && !vha->flags.reset_active &&
3450 !atomic_read(&vha->loop_down_timer) &&
3451 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3452 do {
3453 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3454
3455 /*
3456 * Issue marker command only when we are going to start
3457 * the I/O.
3458 */
3459 vha->marker_needed = 1;
3460 } while (!atomic_read(&vha->loop_down_timer) &&
3461 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3462 }
3463 }
3464
3465 static void
3466 qla2x00_sp_free_dma(srb_t *sp)
3467 {
3468 struct scsi_cmnd *cmd = sp->cmd;
3469 struct qla_hw_data *ha = sp->fcport->vha->hw;
3470
3471 if (sp->flags & SRB_DMA_VALID) {
3472 scsi_dma_unmap(cmd);
3473 sp->flags &= ~SRB_DMA_VALID;
3474 }
3475
3476 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3477 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3478 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3479 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3480 }
3481
3482 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3483 /* List assured to be having elements */
3484 qla2x00_clean_dsd_pool(ha, sp);
3485 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3486 }
3487
3488 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3489 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3490 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3491 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3492 }
3493
3494 CMD_SP(cmd) = NULL;
3495 }
3496
3497 static void
3498 qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
3499 {
3500 struct scsi_cmnd *cmd = sp->cmd;
3501
3502 qla2x00_sp_free_dma(sp);
3503
3504 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3505 struct ct6_dsd *ctx = sp->ctx;
3506 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3507 ctx->fcp_cmnd_dma);
3508 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3509 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3510 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3511 mempool_free(sp->ctx, ha->ctx_mempool);
3512 sp->ctx = NULL;
3513 }
3514
3515 mempool_free(sp, ha->srb_mempool);
3516 cmd->scsi_done(cmd);
3517 }
3518
3519 void
3520 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3521 {
3522 if (atomic_read(&sp->ref_count) == 0) {
3523 DEBUG2(qla_printk(KERN_WARNING, ha,
3524 "SP reference-count to ZERO -- sp=%p\n", sp));
3525 DEBUG2(BUG());
3526 return;
3527 }
3528 if (!atomic_dec_and_test(&sp->ref_count))
3529 return;
3530 qla2x00_sp_final_compl(ha, sp);
3531 }
3532
3533 /**************************************************************************
3534 * qla2x00_timer
3535 *
3536 * Description:
3537 * One second timer
3538 *
3539 * Context: Interrupt
3540 ***************************************************************************/
3541 void
3542 qla2x00_timer(scsi_qla_host_t *vha)
3543 {
3544 unsigned long cpu_flags = 0;
3545 fc_port_t *fcport;
3546 int start_dpc = 0;
3547 int index;
3548 srb_t *sp;
3549 int t;
3550 uint16_t w;
3551 struct qla_hw_data *ha = vha->hw;
3552 struct req_que *req;
3553
3554 if (IS_QLA82XX(ha))
3555 qla82xx_watchdog(vha);
3556
3557 /* Hardware read to raise pending EEH errors during mailbox waits. */
3558 if (!pci_channel_offline(ha->pdev))
3559 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3560 /*
3561 * Ports - Port down timer.
3562 *
3563 * Whenever, a port is in the LOST state we start decrementing its port
3564 * down timer every second until it reaches zero. Once it reaches zero
3565 * the port it marked DEAD.
3566 */
3567 t = 0;
3568 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3569 if (fcport->port_type != FCT_TARGET)
3570 continue;
3571
3572 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3573
3574 if (atomic_read(&fcport->port_down_timer) == 0)
3575 continue;
3576
3577 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
3578 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
3579
3580 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
3581 "%d remaining\n",
3582 vha->host_no,
3583 t, atomic_read(&fcport->port_down_timer)));
3584 }
3585 t++;
3586 } /* End of for fcport */
3587
3588
3589 /* Loop down handler. */
3590 if (atomic_read(&vha->loop_down_timer) > 0 &&
3591 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3592 && vha->flags.online) {
3593
3594 if (atomic_read(&vha->loop_down_timer) ==
3595 vha->loop_down_abort_time) {
3596
3597 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3598 "queues before time expire\n",
3599 vha->host_no));
3600
3601 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3602 atomic_set(&vha->loop_state, LOOP_DEAD);
3603
3604 /*
3605 * Schedule an ISP abort to return any FCP2-device
3606 * commands.
3607 */
3608 /* NPIV - scan physical port only */
3609 if (!vha->vp_idx) {
3610 spin_lock_irqsave(&ha->hardware_lock,
3611 cpu_flags);
3612 req = ha->req_q_map[0];
3613 for (index = 1;
3614 index < MAX_OUTSTANDING_COMMANDS;
3615 index++) {
3616 fc_port_t *sfcp;
3617
3618 sp = req->outstanding_cmds[index];
3619 if (!sp)
3620 continue;
3621 if (sp->ctx && !IS_PROT_IO(sp))
3622 continue;
3623 sfcp = sp->fcport;
3624 if (!(sfcp->flags & FCF_FCP2_DEVICE))
3625 continue;
3626
3627 set_bit(ISP_ABORT_NEEDED,
3628 &vha->dpc_flags);
3629 break;
3630 }
3631 spin_unlock_irqrestore(&ha->hardware_lock,
3632 cpu_flags);
3633 }
3634 start_dpc++;
3635 }
3636
3637 /* if the loop has been down for 4 minutes, reinit adapter */
3638 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3639 if (!(vha->device_flags & DFLG_NO_CABLE)) {
3640 DEBUG(printk("scsi(%ld): Loop down - "
3641 "aborting ISP.\n",
3642 vha->host_no));
3643 qla_printk(KERN_WARNING, ha,
3644 "Loop down - aborting ISP.\n");
3645
3646 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3647 }
3648 }
3649 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
3650 vha->host_no,
3651 atomic_read(&vha->loop_down_timer)));
3652 }
3653
3654 /* Check if beacon LED needs to be blinked */
3655 if (ha->beacon_blink_led == 1) {
3656 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3657 start_dpc++;
3658 }
3659
3660 /* Process any deferred work. */
3661 if (!list_empty(&vha->work_list))
3662 start_dpc++;
3663
3664 /* Schedule the DPC routine if needed */
3665 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3666 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3667 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3668 start_dpc ||
3669 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3670 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3671 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3672 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3673 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3674 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3675 qla2xxx_wake_dpc(vha);
3676
3677 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3678 }
3679
3680 /* Firmware interface routines. */
3681
3682 #define FW_BLOBS 8
3683 #define FW_ISP21XX 0
3684 #define FW_ISP22XX 1
3685 #define FW_ISP2300 2
3686 #define FW_ISP2322 3
3687 #define FW_ISP24XX 4
3688 #define FW_ISP25XX 5
3689 #define FW_ISP81XX 6
3690 #define FW_ISP82XX 7
3691
3692 #define FW_FILE_ISP21XX "ql2100_fw.bin"
3693 #define FW_FILE_ISP22XX "ql2200_fw.bin"
3694 #define FW_FILE_ISP2300 "ql2300_fw.bin"
3695 #define FW_FILE_ISP2322 "ql2322_fw.bin"
3696 #define FW_FILE_ISP24XX "ql2400_fw.bin"
3697 #define FW_FILE_ISP25XX "ql2500_fw.bin"
3698 #define FW_FILE_ISP81XX "ql8100_fw.bin"
3699 #define FW_FILE_ISP82XX "ql8200_fw.bin"
3700
3701 static DEFINE_MUTEX(qla_fw_lock);
3702
3703 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
3704 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3705 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3706 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3707 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3708 { .name = FW_FILE_ISP24XX, },
3709 { .name = FW_FILE_ISP25XX, },
3710 { .name = FW_FILE_ISP81XX, },
3711 { .name = FW_FILE_ISP82XX, },
3712 };
3713
3714 struct fw_blob *
3715 qla2x00_request_firmware(scsi_qla_host_t *vha)
3716 {
3717 struct qla_hw_data *ha = vha->hw;
3718 struct fw_blob *blob;
3719
3720 blob = NULL;
3721 if (IS_QLA2100(ha)) {
3722 blob = &qla_fw_blobs[FW_ISP21XX];
3723 } else if (IS_QLA2200(ha)) {
3724 blob = &qla_fw_blobs[FW_ISP22XX];
3725 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3726 blob = &qla_fw_blobs[FW_ISP2300];
3727 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
3728 blob = &qla_fw_blobs[FW_ISP2322];
3729 } else if (IS_QLA24XX_TYPE(ha)) {
3730 blob = &qla_fw_blobs[FW_ISP24XX];
3731 } else if (IS_QLA25XX(ha)) {
3732 blob = &qla_fw_blobs[FW_ISP25XX];
3733 } else if (IS_QLA81XX(ha)) {
3734 blob = &qla_fw_blobs[FW_ISP81XX];
3735 } else if (IS_QLA82XX(ha)) {
3736 blob = &qla_fw_blobs[FW_ISP82XX];
3737 }
3738
3739 mutex_lock(&qla_fw_lock);
3740 if (blob->fw)
3741 goto out;
3742
3743 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3744 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
3745 "(%s).\n", vha->host_no, blob->name));
3746 blob->fw = NULL;
3747 blob = NULL;
3748 goto out;
3749 }
3750
3751 out:
3752 mutex_unlock(&qla_fw_lock);
3753 return blob;
3754 }
3755
3756 static void
3757 qla2x00_release_firmware(void)
3758 {
3759 int idx;
3760
3761 mutex_lock(&qla_fw_lock);
3762 for (idx = 0; idx < FW_BLOBS; idx++)
3763 if (qla_fw_blobs[idx].fw)
3764 release_firmware(qla_fw_blobs[idx].fw);
3765 mutex_unlock(&qla_fw_lock);
3766 }
3767
3768 static pci_ers_result_t
3769 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3770 {
3771 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3772 struct qla_hw_data *ha = vha->hw;
3773
3774 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3775 state));
3776
3777 switch (state) {
3778 case pci_channel_io_normal:
3779 ha->flags.eeh_busy = 0;
3780 return PCI_ERS_RESULT_CAN_RECOVER;
3781 case pci_channel_io_frozen:
3782 ha->flags.eeh_busy = 1;
3783 qla2x00_free_irqs(vha);
3784 pci_disable_device(pdev);
3785 return PCI_ERS_RESULT_NEED_RESET;
3786 case pci_channel_io_perm_failure:
3787 ha->flags.pci_channel_io_perm_failure = 1;
3788 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3789 return PCI_ERS_RESULT_DISCONNECT;
3790 }
3791 return PCI_ERS_RESULT_NEED_RESET;
3792 }
3793
3794 static pci_ers_result_t
3795 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3796 {
3797 int risc_paused = 0;
3798 uint32_t stat;
3799 unsigned long flags;
3800 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3801 struct qla_hw_data *ha = base_vha->hw;
3802 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3803 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3804
3805 spin_lock_irqsave(&ha->hardware_lock, flags);
3806 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3807 stat = RD_REG_DWORD(&reg->hccr);
3808 if (stat & HCCR_RISC_PAUSE)
3809 risc_paused = 1;
3810 } else if (IS_QLA23XX(ha)) {
3811 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3812 if (stat & HSR_RISC_PAUSED)
3813 risc_paused = 1;
3814 } else if (IS_FWI2_CAPABLE(ha)) {
3815 stat = RD_REG_DWORD(&reg24->host_status);
3816 if (stat & HSRX_RISC_PAUSED)
3817 risc_paused = 1;
3818 }
3819 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3820
3821 if (risc_paused) {
3822 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3823 "Dumping firmware!\n");
3824 ha->isp_ops->fw_dump(base_vha, 0);
3825
3826 return PCI_ERS_RESULT_NEED_RESET;
3827 } else
3828 return PCI_ERS_RESULT_RECOVERED;
3829 }
3830
3831 static pci_ers_result_t
3832 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3833 {
3834 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
3835 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3836 struct qla_hw_data *ha = base_vha->hw;
3837 struct rsp_que *rsp;
3838 int rc, retries = 10;
3839
3840 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3841
3842 pdev->error_state = pci_channel_io_normal;
3843
3844 pci_restore_state(pdev);
3845
3846 /* pci_restore_state() clears the saved_state flag of the device
3847 * save restored state which resets saved_state flag
3848 */
3849 pci_save_state(pdev);
3850
3851 if (ha->mem_only)
3852 rc = pci_enable_device_mem(pdev);
3853 else
3854 rc = pci_enable_device(pdev);
3855
3856 if (rc) {
3857 qla_printk(KERN_WARNING, ha,
3858 "Can't re-enable PCI device after reset.\n");
3859 return ret;
3860 }
3861
3862 rsp = ha->rsp_q_map[0];
3863 if (qla2x00_request_irqs(ha, rsp))
3864 return ret;
3865
3866 if (ha->isp_ops->pci_config(base_vha))
3867 return ret;
3868
3869 while (ha->flags.mbox_busy && retries--)
3870 msleep(1000);
3871
3872 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3873 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
3874 ret = PCI_ERS_RESULT_RECOVERED;
3875 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
3876
3877
3878 DEBUG17(qla_printk(KERN_WARNING, ha,
3879 "slot_reset-return:ret=%x\n", ret));
3880
3881 return ret;
3882 }
3883
3884 static void
3885 qla2xxx_pci_resume(struct pci_dev *pdev)
3886 {
3887 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3888 struct qla_hw_data *ha = base_vha->hw;
3889 int ret;
3890
3891 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3892
3893 ret = qla2x00_wait_for_hba_online(base_vha);
3894 if (ret != QLA_SUCCESS) {
3895 qla_printk(KERN_ERR, ha,
3896 "the device failed to resume I/O "
3897 "from slot/link_reset");
3898 }
3899
3900 pci_cleanup_aer_uncorrect_error_status(pdev);
3901
3902 ha->flags.eeh_busy = 0;
3903 }
3904
3905 static struct pci_error_handlers qla2xxx_err_handler = {
3906 .error_detected = qla2xxx_pci_error_detected,
3907 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3908 .slot_reset = qla2xxx_pci_slot_reset,
3909 .resume = qla2xxx_pci_resume,
3910 };
3911
3912 static struct pci_device_id qla2xxx_pci_tbl[] = {
3913 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3914 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3915 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3916 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3917 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3918 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3919 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3920 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3921 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
3922 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
3923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3924 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
3925 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3926 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
3927 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
3928 { 0 },
3929 };
3930 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3931
3932 static struct pci_driver qla2xxx_pci_driver = {
3933 .name = QLA2XXX_DRIVER_NAME,
3934 .driver = {
3935 .owner = THIS_MODULE,
3936 },
3937 .id_table = qla2xxx_pci_tbl,
3938 .probe = qla2x00_probe_one,
3939 .remove = qla2x00_remove_one,
3940 .err_handler = &qla2xxx_err_handler,
3941 };
3942
3943 static struct file_operations apidev_fops = {
3944 .owner = THIS_MODULE,
3945 };
3946
3947 /**
3948 * qla2x00_module_init - Module initialization.
3949 **/
3950 static int __init
3951 qla2x00_module_init(void)
3952 {
3953 int ret = 0;
3954
3955 /* Allocate cache for SRBs. */
3956 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
3957 SLAB_HWCACHE_ALIGN, NULL);
3958 if (srb_cachep == NULL) {
3959 printk(KERN_ERR
3960 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3961 return -ENOMEM;
3962 }
3963
3964 /* Derive version string. */
3965 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
3966 if (ql2xextended_error_logging)
3967 strcat(qla2x00_version_str, "-debug");
3968
3969 qla2xxx_transport_template =
3970 fc_attach_transport(&qla2xxx_transport_functions);
3971 if (!qla2xxx_transport_template) {
3972 kmem_cache_destroy(srb_cachep);
3973 return -ENODEV;
3974 }
3975
3976 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3977 if (apidev_major < 0) {
3978 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3979 "%s\n", QLA2XXX_APIDEV);
3980 }
3981
3982 qla2xxx_transport_vport_template =
3983 fc_attach_transport(&qla2xxx_transport_vport_functions);
3984 if (!qla2xxx_transport_vport_template) {
3985 kmem_cache_destroy(srb_cachep);
3986 fc_release_transport(qla2xxx_transport_template);
3987 return -ENODEV;
3988 }
3989
3990 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3991 qla2x00_version_str);
3992 ret = pci_register_driver(&qla2xxx_pci_driver);
3993 if (ret) {
3994 kmem_cache_destroy(srb_cachep);
3995 fc_release_transport(qla2xxx_transport_template);
3996 fc_release_transport(qla2xxx_transport_vport_template);
3997 }
3998 return ret;
3999 }
4000
4001 /**
4002 * qla2x00_module_exit - Module cleanup.
4003 **/
4004 static void __exit
4005 qla2x00_module_exit(void)
4006 {
4007 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4008 pci_unregister_driver(&qla2xxx_pci_driver);
4009 qla2x00_release_firmware();
4010 kmem_cache_destroy(srb_cachep);
4011 if (ctx_cachep)
4012 kmem_cache_destroy(ctx_cachep);
4013 fc_release_transport(qla2xxx_transport_template);
4014 fc_release_transport(qla2xxx_transport_vport_template);
4015 }
4016
4017 module_init(qla2x00_module_init);
4018 module_exit(qla2x00_module_exit);
4019
4020 MODULE_AUTHOR("QLogic Corporation");
4021 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4022 MODULE_LICENSE("GPL");
4023 MODULE_VERSION(QLA2XXX_VERSION);
4024 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4025 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4026 MODULE_FIRMWARE(FW_FILE_ISP2300);
4027 MODULE_FIRMWARE(FW_FILE_ISP2322);
4028 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4029 MODULE_FIRMWARE(FW_FILE_ISP25XX);
Tomato firmware and modifications.