xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 6774def6)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <scsi/scsi_tcq.h>
17 #include <scsi/scsicam.h>
18 #include <scsi/scsi_transport.h>
19 #include <scsi/scsi_transport_fc.h>
20 
21 #include "qla_target.h"
22 
23 /*
24  * Driver version
25  */
26 char qla2x00_version_str[40];
27 
28 static int apidev_major;
29 
30 /*
31  * SRB allocation cache
32  */
33 static struct kmem_cache *srb_cachep;
34 
35 /*
36  * CT6 CTX allocation cache
37  */
38 static struct kmem_cache *ctx_cachep;
39 /*
40  * error level for logging
41  */
42 int ql_errlev = ql_log_all;
43 
44 static int ql2xenableclass2;
45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
46 MODULE_PARM_DESC(ql2xenableclass2,
47 		"Specify if Class 2 operations are supported from the very "
48 		"beginning. Default is 0 - class 2 not supported.");
49 
50 
51 int ql2xlogintimeout = 20;
52 module_param(ql2xlogintimeout, int, S_IRUGO);
53 MODULE_PARM_DESC(ql2xlogintimeout,
54 		"Login timeout value in seconds.");
55 
56 int qlport_down_retry;
57 module_param(qlport_down_retry, int, S_IRUGO);
58 MODULE_PARM_DESC(qlport_down_retry,
59 		"Maximum number of command retries to a port that returns "
60 		"a PORT-DOWN status.");
61 
62 int ql2xplogiabsentdevice;
63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
65 		"Option to enable PLOGI to devices that are not present after "
66 		"a Fabric scan.  This is needed for several broken switches. "
67 		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");
68 
69 int ql2xloginretrycount = 0;
70 module_param(ql2xloginretrycount, int, S_IRUGO);
71 MODULE_PARM_DESC(ql2xloginretrycount,
72 		"Specify an alternate value for the NVRAM login retry count.");
73 
74 int ql2xallocfwdump = 1;
75 module_param(ql2xallocfwdump, int, S_IRUGO);
76 MODULE_PARM_DESC(ql2xallocfwdump,
77 		"Option to enable allocation of memory for a firmware dump "
78 		"during HBA initialization.  Memory allocation requirements "
79 		"vary by ISP type.  Default is 1 - allocate memory.");
80 
81 int ql2xextended_error_logging;
82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
83 MODULE_PARM_DESC(ql2xextended_error_logging,
84 		"Option to enable extended error logging,\n"
85 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
86 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
87 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
88 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
89 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
90 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
91 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
92 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
93 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
94 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
95 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
96 		"\t\t0x1e400000 - Preferred value for capturing essential "
97 		"debug information (equivalent to old "
98 		"ql2xextended_error_logging=1).\n"
99 		"\t\tDo LOGICAL OR of the value to enable more than one level");
100 
101 int ql2xshiftctondsd = 6;
102 module_param(ql2xshiftctondsd, int, S_IRUGO);
103 MODULE_PARM_DESC(ql2xshiftctondsd,
104 		"Set to control shifting of command type processing "
105 		"based on total number of SG elements.");
106 
107 int ql2xfdmienable=1;
108 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
109 MODULE_PARM_DESC(ql2xfdmienable,
110 		"Enables FDMI registrations. "
111 		"0 - no FDMI. Default is 1 - perform FDMI.");
112 
113 #define MAX_Q_DEPTH	32
114 static int ql2xmaxqdepth = MAX_Q_DEPTH;
115 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
116 MODULE_PARM_DESC(ql2xmaxqdepth,
117 		"Maximum queue depth to set for each LUN. "
118 		"Default is 32.");
119 
120 int ql2xenabledif = 2;
121 module_param(ql2xenabledif, int, S_IRUGO);
122 MODULE_PARM_DESC(ql2xenabledif,
123 		" Enable T10-CRC-DIF:\n"
124 		" Default is 2.\n"
125 		"  0 -- No DIF Support\n"
126 		"  1 -- Enable DIF for all types\n"
127 		"  2 -- Enable DIF for all types, except Type 0.\n");
128 
129 int ql2xenablehba_err_chk = 2;
130 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
131 MODULE_PARM_DESC(ql2xenablehba_err_chk,
132 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
133 		" Default is 2.\n"
134 		"  0 -- Error isolation disabled\n"
135 		"  1 -- Error isolation enabled only for DIX Type 0\n"
136 		"  2 -- Error isolation enabled for all Types\n");
137 
138 int ql2xiidmaenable=1;
139 module_param(ql2xiidmaenable, int, S_IRUGO);
140 MODULE_PARM_DESC(ql2xiidmaenable,
141 		"Enables iIDMA settings "
142 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
143 
144 int ql2xmaxqueues = 1;
145 module_param(ql2xmaxqueues, int, S_IRUGO);
146 MODULE_PARM_DESC(ql2xmaxqueues,
147 		"Enables MQ settings "
148 		"Default is 1 for single queue. Set it to number "
149 		"of queues in MQ mode.");
150 
151 int ql2xmultique_tag;
152 module_param(ql2xmultique_tag, int, S_IRUGO);
153 MODULE_PARM_DESC(ql2xmultique_tag,
154 		"Enables CPU affinity settings for the driver "
155 		"Default is 0 for no affinity of request and response IO. "
156 		"Set it to 1 to turn on the cpu affinity.");
157 
158 int ql2xfwloadbin;
159 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
160 MODULE_PARM_DESC(ql2xfwloadbin,
161 		"Option to specify location from which to load ISP firmware:.\n"
162 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
163 		"      interface.\n"
164 		" 1 -- load firmware from flash.\n"
165 		" 0 -- use default semantics.\n");
166 
167 int ql2xetsenable;
168 module_param(ql2xetsenable, int, S_IRUGO);
169 MODULE_PARM_DESC(ql2xetsenable,
170 		"Enables firmware ETS burst."
171 		"Default is 0 - skip ETS enablement.");
172 
173 int ql2xdbwr = 1;
174 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(ql2xdbwr,
176 		"Option to specify scheme for request queue posting.\n"
177 		" 0 -- Regular doorbell.\n"
178 		" 1 -- CAMRAM doorbell (faster).\n");
179 
180 int ql2xtargetreset = 1;
181 module_param(ql2xtargetreset, int, S_IRUGO);
182 MODULE_PARM_DESC(ql2xtargetreset,
183 		 "Enable target reset."
184 		 "Default is 1 - use hw defaults.");
185 
186 int ql2xgffidenable;
187 module_param(ql2xgffidenable, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xgffidenable,
189 		"Enables GFF_ID checks of port type. "
190 		"Default is 0 - Do not use GFF_ID information.");
191 
192 int ql2xasynctmfenable;
193 module_param(ql2xasynctmfenable, int, S_IRUGO);
194 MODULE_PARM_DESC(ql2xasynctmfenable,
195 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
196 		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
197 
198 int ql2xdontresethba;
199 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
200 MODULE_PARM_DESC(ql2xdontresethba,
201 		"Option to specify reset behaviour.\n"
202 		" 0 (Default) -- Reset on failure.\n"
203 		" 1 -- Do not reset on failure.\n");
204 
205 uint64_t ql2xmaxlun = MAX_LUNS;
206 module_param(ql2xmaxlun, ullong, S_IRUGO);
207 MODULE_PARM_DESC(ql2xmaxlun,
208 		"Defines the maximum LU number to register with the SCSI "
209 		"midlayer. Default is 65535.");
210 
211 int ql2xmdcapmask = 0x1F;
212 module_param(ql2xmdcapmask, int, S_IRUGO);
213 MODULE_PARM_DESC(ql2xmdcapmask,
214 		"Set the Minidump driver capture mask level. "
215 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
216 
217 int ql2xmdenable = 1;
218 module_param(ql2xmdenable, int, S_IRUGO);
219 MODULE_PARM_DESC(ql2xmdenable,
220 		"Enable/disable MiniDump. "
221 		"0 - MiniDump disabled. "
222 		"1 (Default) - MiniDump enabled.");
223 
224 /*
225  * SCSI host template entry points
226  */
227 static int qla2xxx_slave_configure(struct scsi_device * device);
228 static int qla2xxx_slave_alloc(struct scsi_device *);
229 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
230 static void qla2xxx_scan_start(struct Scsi_Host *);
231 static void qla2xxx_slave_destroy(struct scsi_device *);
232 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
233 static int qla2xxx_eh_abort(struct scsi_cmnd *);
234 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
235 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
236 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
237 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
238 
239 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
240 static int qla2x00_change_queue_type(struct scsi_device *, int);
241 static void qla2x00_clear_drv_active(struct qla_hw_data *);
242 static void qla2x00_free_device(scsi_qla_host_t *);
243 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
244 
245 struct scsi_host_template qla2xxx_driver_template = {
246 	.module			= THIS_MODULE,
247 	.name			= QLA2XXX_DRIVER_NAME,
248 	.queuecommand		= qla2xxx_queuecommand,
249 
250 	.eh_abort_handler	= qla2xxx_eh_abort,
251 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
252 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
253 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
254 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
255 
256 	.slave_configure	= qla2xxx_slave_configure,
257 
258 	.slave_alloc		= qla2xxx_slave_alloc,
259 	.slave_destroy		= qla2xxx_slave_destroy,
260 	.scan_finished		= qla2xxx_scan_finished,
261 	.scan_start		= qla2xxx_scan_start,
262 	.change_queue_depth	= qla2x00_change_queue_depth,
263 	.change_queue_type	= qla2x00_change_queue_type,
264 	.this_id		= -1,
265 	.cmd_per_lun		= 3,
266 	.use_clustering		= ENABLE_CLUSTERING,
267 	.sg_tablesize		= SG_ALL,
268 
269 	.max_sectors		= 0xFFFF,
270 	.shost_attrs		= qla2x00_host_attrs,
271 
272 	.supported_mode		= MODE_INITIATOR,
273 };
274 
275 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
276 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
277 
278 /* TODO Convert to inlines
279  *
280  * Timer routines
281  */
282 
283 __inline__ void
284 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
285 {
286 	init_timer(&vha->timer);
287 	vha->timer.expires = jiffies + interval * HZ;
288 	vha->timer.data = (unsigned long)vha;
289 	vha->timer.function = (void (*)(unsigned long))func;
290 	add_timer(&vha->timer);
291 	vha->timer_active = 1;
292 }
293 
294 static inline void
295 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
296 {
297 	/* Currently used for 82XX only. */
298 	if (vha->device_flags & DFLG_DEV_FAILED) {
299 		ql_dbg(ql_dbg_timer, vha, 0x600d,
300 		    "Device in a failed state, returning.\n");
301 		return;
302 	}
303 
304 	mod_timer(&vha->timer, jiffies + interval * HZ);
305 }
306 
307 static __inline__ void
308 qla2x00_stop_timer(scsi_qla_host_t *vha)
309 {
310 	del_timer_sync(&vha->timer);
311 	vha->timer_active = 0;
312 }
313 
314 static int qla2x00_do_dpc(void *data);
315 
316 static void qla2x00_rst_aen(scsi_qla_host_t *);
317 
318 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
319 	struct req_que **, struct rsp_que **);
320 static void qla2x00_free_fw_dump(struct qla_hw_data *);
321 static void qla2x00_mem_free(struct qla_hw_data *);
322 
323 /* -------------------------------------------------------------------------- */
324 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
325 				struct rsp_que *rsp)
326 {
327 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
328 	ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
329 				GFP_KERNEL);
330 	if (!ha->req_q_map) {
331 		ql_log(ql_log_fatal, vha, 0x003b,
332 		    "Unable to allocate memory for request queue ptrs.\n");
333 		goto fail_req_map;
334 	}
335 
336 	ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
337 				GFP_KERNEL);
338 	if (!ha->rsp_q_map) {
339 		ql_log(ql_log_fatal, vha, 0x003c,
340 		    "Unable to allocate memory for response queue ptrs.\n");
341 		goto fail_rsp_map;
342 	}
343 	/*
344 	 * Make sure we record at least the request and response queue zero in
345 	 * case we need to free them if part of the probe fails.
346 	 */
347 	ha->rsp_q_map[0] = rsp;
348 	ha->req_q_map[0] = req;
349 	set_bit(0, ha->rsp_qid_map);
350 	set_bit(0, ha->req_qid_map);
351 	return 1;
352 
353 fail_rsp_map:
354 	kfree(ha->req_q_map);
355 	ha->req_q_map = NULL;
356 fail_req_map:
357 	return -ENOMEM;
358 }
359 
360 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
361 {
362 	if (IS_QLAFX00(ha)) {
363 		if (req && req->ring_fx00)
364 			dma_free_coherent(&ha->pdev->dev,
365 			    (req->length_fx00 + 1) * sizeof(request_t),
366 			    req->ring_fx00, req->dma_fx00);
367 	} else if (req && req->ring)
368 		dma_free_coherent(&ha->pdev->dev,
369 		(req->length + 1) * sizeof(request_t),
370 		req->ring, req->dma);
371 
372 	if (req)
373 		kfree(req->outstanding_cmds);
374 
375 	kfree(req);
376 	req = NULL;
377 }
378 
379 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
380 {
381 	if (IS_QLAFX00(ha)) {
382 		if (rsp && rsp->ring)
383 			dma_free_coherent(&ha->pdev->dev,
384 			    (rsp->length_fx00 + 1) * sizeof(request_t),
385 			    rsp->ring_fx00, rsp->dma_fx00);
386 	} else if (rsp && rsp->ring) {
387 		dma_free_coherent(&ha->pdev->dev,
388 		(rsp->length + 1) * sizeof(response_t),
389 		rsp->ring, rsp->dma);
390 	}
391 	kfree(rsp);
392 	rsp = NULL;
393 }
394 
395 static void qla2x00_free_queues(struct qla_hw_data *ha)
396 {
397 	struct req_que *req;
398 	struct rsp_que *rsp;
399 	int cnt;
400 
401 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
402 		req = ha->req_q_map[cnt];
403 		qla2x00_free_req_que(ha, req);
404 	}
405 	kfree(ha->req_q_map);
406 	ha->req_q_map = NULL;
407 
408 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
409 		rsp = ha->rsp_q_map[cnt];
410 		qla2x00_free_rsp_que(ha, rsp);
411 	}
412 	kfree(ha->rsp_q_map);
413 	ha->rsp_q_map = NULL;
414 }
415 
416 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
417 {
418 	uint16_t options = 0;
419 	int ques, req, ret;
420 	struct qla_hw_data *ha = vha->hw;
421 
422 	if (!(ha->fw_attributes & BIT_6)) {
423 		ql_log(ql_log_warn, vha, 0x00d8,
424 		    "Firmware is not multi-queue capable.\n");
425 		goto fail;
426 	}
427 	if (ql2xmultique_tag) {
428 		/* create a request queue for IO */
429 		options |= BIT_7;
430 		req = qla25xx_create_req_que(ha, options, 0, 0, -1,
431 			QLA_DEFAULT_QUE_QOS);
432 		if (!req) {
433 			ql_log(ql_log_warn, vha, 0x00e0,
434 			    "Failed to create request queue.\n");
435 			goto fail;
436 		}
437 		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
438 		vha->req = ha->req_q_map[req];
439 		options |= BIT_1;
440 		for (ques = 1; ques < ha->max_rsp_queues; ques++) {
441 			ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
442 			if (!ret) {
443 				ql_log(ql_log_warn, vha, 0x00e8,
444 				    "Failed to create response queue.\n");
445 				goto fail2;
446 			}
447 		}
448 		ha->flags.cpu_affinity_enabled = 1;
449 		ql_dbg(ql_dbg_multiq, vha, 0xc007,
450 		    "CPU affinity mode enalbed, "
451 		    "no. of response queues:%d no. of request queues:%d.\n",
452 		    ha->max_rsp_queues, ha->max_req_queues);
453 		ql_dbg(ql_dbg_init, vha, 0x00e9,
454 		    "CPU affinity mode enalbed, "
455 		    "no. of response queues:%d no. of request queues:%d.\n",
456 		    ha->max_rsp_queues, ha->max_req_queues);
457 	}
458 	return 0;
459 fail2:
460 	qla25xx_delete_queues(vha);
461 	destroy_workqueue(ha->wq);
462 	ha->wq = NULL;
463 	vha->req = ha->req_q_map[0];
464 fail:
465 	ha->mqenable = 0;
466 	kfree(ha->req_q_map);
467 	kfree(ha->rsp_q_map);
468 	ha->max_req_queues = ha->max_rsp_queues = 1;
469 	return 1;
470 }
471 
472 static char *
473 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
474 {
475 	struct qla_hw_data *ha = vha->hw;
476 	static char *pci_bus_modes[] = {
477 		"33", "66", "100", "133",
478 	};
479 	uint16_t pci_bus;
480 
481 	strcpy(str, "PCI");
482 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
483 	if (pci_bus) {
484 		strcat(str, "-X (");
485 		strcat(str, pci_bus_modes[pci_bus]);
486 	} else {
487 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
488 		strcat(str, " (");
489 		strcat(str, pci_bus_modes[pci_bus]);
490 	}
491 	strcat(str, " MHz)");
492 
493 	return (str);
494 }
495 
496 static char *
497 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
498 {
499 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
500 	struct qla_hw_data *ha = vha->hw;
501 	uint32_t pci_bus;
502 
503 	if (pci_is_pcie(ha->pdev)) {
504 		char lwstr[6];
505 		uint32_t lstat, lspeed, lwidth;
506 
507 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
508 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
509 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
510 
511 		strcpy(str, "PCIe (");
512 		switch (lspeed) {
513 		case 1:
514 			strcat(str, "2.5GT/s ");
515 			break;
516 		case 2:
517 			strcat(str, "5.0GT/s ");
518 			break;
519 		case 3:
520 			strcat(str, "8.0GT/s ");
521 			break;
522 		default:
523 			strcat(str, "<unknown> ");
524 			break;
525 		}
526 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
527 		strcat(str, lwstr);
528 
529 		return str;
530 	}
531 
532 	strcpy(str, "PCI");
533 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
534 	if (pci_bus == 0 || pci_bus == 8) {
535 		strcat(str, " (");
536 		strcat(str, pci_bus_modes[pci_bus >> 3]);
537 	} else {
538 		strcat(str, "-X ");
539 		if (pci_bus & BIT_2)
540 			strcat(str, "Mode 2");
541 		else
542 			strcat(str, "Mode 1");
543 		strcat(str, " (");
544 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
545 	}
546 	strcat(str, " MHz)");
547 
548 	return str;
549 }
550 
551 static char *
552 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
553 {
554 	char un_str[10];
555 	struct qla_hw_data *ha = vha->hw;
556 
557 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
558 	    ha->fw_minor_version, ha->fw_subminor_version);
559 
560 	if (ha->fw_attributes & BIT_9) {
561 		strcat(str, "FLX");
562 		return (str);
563 	}
564 
565 	switch (ha->fw_attributes & 0xFF) {
566 	case 0x7:
567 		strcat(str, "EF");
568 		break;
569 	case 0x17:
570 		strcat(str, "TP");
571 		break;
572 	case 0x37:
573 		strcat(str, "IP");
574 		break;
575 	case 0x77:
576 		strcat(str, "VI");
577 		break;
578 	default:
579 		sprintf(un_str, "(%x)", ha->fw_attributes);
580 		strcat(str, un_str);
581 		break;
582 	}
583 	if (ha->fw_attributes & 0x100)
584 		strcat(str, "X");
585 
586 	return (str);
587 }
588 
589 static char *
590 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
591 {
592 	struct qla_hw_data *ha = vha->hw;
593 
594 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
595 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
596 	return str;
597 }
598 
599 void
600 qla2x00_sp_free_dma(void *vha, void *ptr)
601 {
602 	srb_t *sp = (srb_t *)ptr;
603 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
604 	struct qla_hw_data *ha = sp->fcport->vha->hw;
605 	void *ctx = GET_CMD_CTX_SP(sp);
606 
607 	if (sp->flags & SRB_DMA_VALID) {
608 		scsi_dma_unmap(cmd);
609 		sp->flags &= ~SRB_DMA_VALID;
610 	}
611 
612 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
613 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
614 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
615 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
616 	}
617 
618 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
619 		/* List assured to be having elements */
620 		qla2x00_clean_dsd_pool(ha, sp, NULL);
621 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
622 	}
623 
624 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
625 		dma_pool_free(ha->dl_dma_pool, ctx,
626 		    ((struct crc_context *)ctx)->crc_ctx_dma);
627 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
628 	}
629 
630 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
631 		struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
632 
633 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
634 			ctx1->fcp_cmnd_dma);
635 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
636 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
637 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
638 		mempool_free(ctx1, ha->ctx_mempool);
639 		ctx1 = NULL;
640 	}
641 
642 	CMD_SP(cmd) = NULL;
643 	qla2x00_rel_sp(sp->fcport->vha, sp);
644 }
645 
646 static void
647 qla2x00_sp_compl(void *data, void *ptr, int res)
648 {
649 	struct qla_hw_data *ha = (struct qla_hw_data *)data;
650 	srb_t *sp = (srb_t *)ptr;
651 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
652 
653 	cmd->result = res;
654 
655 	if (atomic_read(&sp->ref_count) == 0) {
656 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
657 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
658 		    sp, GET_CMD_SP(sp));
659 		if (ql2xextended_error_logging & ql_dbg_io)
660 			BUG();
661 		return;
662 	}
663 	if (!atomic_dec_and_test(&sp->ref_count))
664 		return;
665 
666 	qla2x00_sp_free_dma(ha, sp);
667 	cmd->scsi_done(cmd);
668 }
669 
670 /* If we are SP1 here, we need to still take and release the host_lock as SP1
671  * does not have the changes necessary to avoid taking host->host_lock.
672  */
673 static int
674 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
675 {
676 	scsi_qla_host_t *vha = shost_priv(host);
677 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
678 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
679 	struct qla_hw_data *ha = vha->hw;
680 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
681 	srb_t *sp;
682 	int rval;
683 
684 	if (ha->flags.eeh_busy) {
685 		if (ha->flags.pci_channel_io_perm_failure) {
686 			ql_dbg(ql_dbg_aer, vha, 0x9010,
687 			    "PCI Channel IO permanent failure, exiting "
688 			    "cmd=%p.\n", cmd);
689 			cmd->result = DID_NO_CONNECT << 16;
690 		} else {
691 			ql_dbg(ql_dbg_aer, vha, 0x9011,
692 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
693 			cmd->result = DID_REQUEUE << 16;
694 		}
695 		goto qc24_fail_command;
696 	}
697 
698 	rval = fc_remote_port_chkready(rport);
699 	if (rval) {
700 		cmd->result = rval;
701 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
702 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
703 		    cmd, rval);
704 		goto qc24_fail_command;
705 	}
706 
707 	if (!vha->flags.difdix_supported &&
708 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
709 			ql_dbg(ql_dbg_io, vha, 0x3004,
710 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
711 			    cmd);
712 			cmd->result = DID_NO_CONNECT << 16;
713 			goto qc24_fail_command;
714 	}
715 
716 	if (!fcport) {
717 		cmd->result = DID_NO_CONNECT << 16;
718 		goto qc24_fail_command;
719 	}
720 
721 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
722 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
723 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
724 			ql_dbg(ql_dbg_io, vha, 0x3005,
725 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
726 			    atomic_read(&fcport->state),
727 			    atomic_read(&base_vha->loop_state));
728 			cmd->result = DID_NO_CONNECT << 16;
729 			goto qc24_fail_command;
730 		}
731 		goto qc24_target_busy;
732 	}
733 
734 	/*
735 	 * Return target busy if we've received a non-zero retry_delay_timer
736 	 * in a FCP_RSP.
737 	 */
738 	if (time_after(jiffies, fcport->retry_delay_timestamp))
739 		fcport->retry_delay_timestamp = 0;
740 	else
741 		goto qc24_target_busy;
742 
743 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
744 	if (!sp)
745 		goto qc24_host_busy;
746 
747 	sp->u.scmd.cmd = cmd;
748 	sp->type = SRB_SCSI_CMD;
749 	atomic_set(&sp->ref_count, 1);
750 	CMD_SP(cmd) = (void *)sp;
751 	sp->free = qla2x00_sp_free_dma;
752 	sp->done = qla2x00_sp_compl;
753 
754 	rval = ha->isp_ops->start_scsi(sp);
755 	if (rval != QLA_SUCCESS) {
756 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
757 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
758 		goto qc24_host_busy_free_sp;
759 	}
760 
761 	return 0;
762 
763 qc24_host_busy_free_sp:
764 	qla2x00_sp_free_dma(ha, sp);
765 
766 qc24_host_busy:
767 	return SCSI_MLQUEUE_HOST_BUSY;
768 
769 qc24_target_busy:
770 	return SCSI_MLQUEUE_TARGET_BUSY;
771 
772 qc24_fail_command:
773 	cmd->scsi_done(cmd);
774 
775 	return 0;
776 }
777 
778 /*
779  * qla2x00_eh_wait_on_command
780  *    Waits for the command to be returned by the Firmware for some
781  *    max time.
782  *
783  * Input:
784  *    cmd = Scsi Command to wait on.
785  *
786  * Return:
787  *    Not Found : 0
788  *    Found : 1
789  */
790 static int
791 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
792 {
793 #define ABORT_POLLING_PERIOD	1000
794 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
795 	unsigned long wait_iter = ABORT_WAIT_ITER;
796 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
797 	struct qla_hw_data *ha = vha->hw;
798 	int ret = QLA_SUCCESS;
799 
800 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
801 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
802 		    "Return:eh_wait.\n");
803 		return ret;
804 	}
805 
806 	while (CMD_SP(cmd) && wait_iter--) {
807 		msleep(ABORT_POLLING_PERIOD);
808 	}
809 	if (CMD_SP(cmd))
810 		ret = QLA_FUNCTION_FAILED;
811 
812 	return ret;
813 }
814 
815 /*
816  * qla2x00_wait_for_hba_online
817  *    Wait till the HBA is online after going through
818  *    <= MAX_RETRIES_OF_ISP_ABORT  or
819  *    finally HBA is disabled ie marked offline
820  *
821  * Input:
822  *     ha - pointer to host adapter structure
823  *
824  * Note:
825  *    Does context switching-Release SPIN_LOCK
826  *    (if any) before calling this routine.
827  *
828  * Return:
829  *    Success (Adapter is online) : 0
830  *    Failed  (Adapter is offline/disabled) : 1
831  */
832 int
833 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
834 {
835 	int		return_status;
836 	unsigned long	wait_online;
837 	struct qla_hw_data *ha = vha->hw;
838 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
839 
840 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
841 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
842 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
843 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
844 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
845 
846 		msleep(1000);
847 	}
848 	if (base_vha->flags.online)
849 		return_status = QLA_SUCCESS;
850 	else
851 		return_status = QLA_FUNCTION_FAILED;
852 
853 	return (return_status);
854 }
855 
856 /*
857  * qla2x00_wait_for_hba_ready
858  * Wait till the HBA is ready before doing driver unload
859  *
860  * Input:
861  *     ha - pointer to host adapter structure
862  *
863  * Note:
864  *    Does context switching-Release SPIN_LOCK
865  *    (if any) before calling this routine.
866  *
867  */
868 static void
869 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
870 {
871 	struct qla_hw_data *ha = vha->hw;
872 
873 	while (((qla2x00_reset_active(vha)) || ha->dpc_active ||
874 	    ha->flags.mbox_busy) ||
875 		test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
876 		test_bit(FX00_TARGET_SCAN, &vha->dpc_flags))
877 		msleep(1000);
878 }
879 
880 int
881 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
882 {
883 	int		return_status;
884 	unsigned long	wait_reset;
885 	struct qla_hw_data *ha = vha->hw;
886 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
887 
888 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
889 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
890 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
891 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
892 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
893 
894 		msleep(1000);
895 
896 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
897 		    ha->flags.chip_reset_done)
898 			break;
899 	}
900 	if (ha->flags.chip_reset_done)
901 		return_status = QLA_SUCCESS;
902 	else
903 		return_status = QLA_FUNCTION_FAILED;
904 
905 	return return_status;
906 }
907 
908 static void
909 sp_get(struct srb *sp)
910 {
911 	atomic_inc(&sp->ref_count);
912 }
913 
914 /**************************************************************************
915 * qla2xxx_eh_abort
916 *
917 * Description:
918 *    The abort function will abort the specified command.
919 *
920 * Input:
921 *    cmd = Linux SCSI command packet to be aborted.
922 *
923 * Returns:
924 *    Either SUCCESS or FAILED.
925 *
926 * Note:
927 *    Only return FAILED if command not returned by firmware.
928 **************************************************************************/
929 static int
930 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
931 {
932 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
933 	srb_t *sp;
934 	int ret;
935 	unsigned int id;
936 	uint64_t lun;
937 	unsigned long flags;
938 	int rval, wait = 0;
939 	struct qla_hw_data *ha = vha->hw;
940 
941 	if (!CMD_SP(cmd))
942 		return SUCCESS;
943 
944 	ret = fc_block_scsi_eh(cmd);
945 	if (ret != 0)
946 		return ret;
947 	ret = SUCCESS;
948 
949 	id = cmd->device->id;
950 	lun = cmd->device->lun;
951 
952 	spin_lock_irqsave(&ha->hardware_lock, flags);
953 	sp = (srb_t *) CMD_SP(cmd);
954 	if (!sp) {
955 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
956 		return SUCCESS;
957 	}
958 
959 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
960 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p\n",
961 	    vha->host_no, id, lun, sp, cmd);
962 
963 	/* Get a reference to the sp and drop the lock.*/
964 	sp_get(sp);
965 
966 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
967 	rval = ha->isp_ops->abort_command(sp);
968 	if (rval) {
969 		if (rval == QLA_FUNCTION_PARAMETER_ERROR) {
970 			/*
971 			 * Decrement the ref_count since we can't find the
972 			 * command
973 			 */
974 			atomic_dec(&sp->ref_count);
975 			ret = SUCCESS;
976 		} else
977 			ret = FAILED;
978 
979 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
980 		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
981 	} else {
982 		ql_dbg(ql_dbg_taskm, vha, 0x8004,
983 		    "Abort command mbx success cmd=%p.\n", cmd);
984 		wait = 1;
985 	}
986 
987 	spin_lock_irqsave(&ha->hardware_lock, flags);
988 	/*
989 	 * Clear the slot in the oustanding_cmds array if we can't find the
990 	 * command to reclaim the resources.
991 	 */
992 	if (rval == QLA_FUNCTION_PARAMETER_ERROR)
993 		vha->req->outstanding_cmds[sp->handle] = NULL;
994 	sp->done(ha, sp, 0);
995 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
996 
997 	/* Did the command return during mailbox execution? */
998 	if (ret == FAILED && !CMD_SP(cmd))
999 		ret = SUCCESS;
1000 
1001 	/* Wait for the command to be returned. */
1002 	if (wait) {
1003 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1004 			ql_log(ql_log_warn, vha, 0x8006,
1005 			    "Abort handler timed out cmd=%p.\n", cmd);
1006 			ret = FAILED;
1007 		}
1008 	}
1009 
1010 	ql_log(ql_log_info, vha, 0x801c,
1011 	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1012 	    vha->host_no, id, lun, wait, ret);
1013 
1014 	return ret;
1015 }
1016 
1017 int
1018 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1019 	uint64_t l, enum nexus_wait_type type)
1020 {
1021 	int cnt, match, status;
1022 	unsigned long flags;
1023 	struct qla_hw_data *ha = vha->hw;
1024 	struct req_que *req;
1025 	srb_t *sp;
1026 	struct scsi_cmnd *cmd;
1027 
1028 	status = QLA_SUCCESS;
1029 
1030 	spin_lock_irqsave(&ha->hardware_lock, flags);
1031 	req = vha->req;
1032 	for (cnt = 1; status == QLA_SUCCESS &&
1033 		cnt < req->num_outstanding_cmds; cnt++) {
1034 		sp = req->outstanding_cmds[cnt];
1035 		if (!sp)
1036 			continue;
1037 		if (sp->type != SRB_SCSI_CMD)
1038 			continue;
1039 		if (vha->vp_idx != sp->fcport->vha->vp_idx)
1040 			continue;
1041 		match = 0;
1042 		cmd = GET_CMD_SP(sp);
1043 		switch (type) {
1044 		case WAIT_HOST:
1045 			match = 1;
1046 			break;
1047 		case WAIT_TARGET:
1048 			match = cmd->device->id == t;
1049 			break;
1050 		case WAIT_LUN:
1051 			match = (cmd->device->id == t &&
1052 				cmd->device->lun == l);
1053 			break;
1054 		}
1055 		if (!match)
1056 			continue;
1057 
1058 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1059 		status = qla2x00_eh_wait_on_command(cmd);
1060 		spin_lock_irqsave(&ha->hardware_lock, flags);
1061 	}
1062 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1063 
1064 	return status;
1065 }
1066 
1067 static char *reset_errors[] = {
1068 	"HBA not online",
1069 	"HBA not ready",
1070 	"Task management failed",
1071 	"Waiting for command completions",
1072 };
1073 
1074 static int
1075 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1076     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1077 {
1078 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1079 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1080 	int err;
1081 
1082 	if (!fcport) {
1083 		return FAILED;
1084 	}
1085 
1086 	err = fc_block_scsi_eh(cmd);
1087 	if (err != 0)
1088 		return err;
1089 
1090 	ql_log(ql_log_info, vha, 0x8009,
1091 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1092 	    cmd->device->id, cmd->device->lun, cmd);
1093 
1094 	err = 0;
1095 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1096 		ql_log(ql_log_warn, vha, 0x800a,
1097 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1098 		goto eh_reset_failed;
1099 	}
1100 	err = 2;
1101 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1102 		!= QLA_SUCCESS) {
1103 		ql_log(ql_log_warn, vha, 0x800c,
1104 		    "do_reset failed for cmd=%p.\n", cmd);
1105 		goto eh_reset_failed;
1106 	}
1107 	err = 3;
1108 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1109 	    cmd->device->lun, type) != QLA_SUCCESS) {
1110 		ql_log(ql_log_warn, vha, 0x800d,
1111 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1112 		goto eh_reset_failed;
1113 	}
1114 
1115 	ql_log(ql_log_info, vha, 0x800e,
1116 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1117 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1118 
1119 	return SUCCESS;
1120 
1121 eh_reset_failed:
1122 	ql_log(ql_log_info, vha, 0x800f,
1123 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1124 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1125 	    cmd);
1126 	return FAILED;
1127 }
1128 
1129 static int
1130 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1131 {
1132 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1133 	struct qla_hw_data *ha = vha->hw;
1134 
1135 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1136 	    ha->isp_ops->lun_reset);
1137 }
1138 
1139 static int
1140 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1141 {
1142 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1143 	struct qla_hw_data *ha = vha->hw;
1144 
1145 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1146 	    ha->isp_ops->target_reset);
1147 }
1148 
1149 /**************************************************************************
1150 * qla2xxx_eh_bus_reset
1151 *
1152 * Description:
1153 *    The bus reset function will reset the bus and abort any executing
1154 *    commands.
1155 *
1156 * Input:
1157 *    cmd = Linux SCSI command packet of the command that cause the
1158 *          bus reset.
1159 *
1160 * Returns:
1161 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1162 *
1163 **************************************************************************/
1164 static int
1165 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1166 {
1167 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1168 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1169 	int ret = FAILED;
1170 	unsigned int id;
1171 	uint64_t lun;
1172 
1173 	id = cmd->device->id;
1174 	lun = cmd->device->lun;
1175 
1176 	if (!fcport) {
1177 		return ret;
1178 	}
1179 
1180 	ret = fc_block_scsi_eh(cmd);
1181 	if (ret != 0)
1182 		return ret;
1183 	ret = FAILED;
1184 
1185 	ql_log(ql_log_info, vha, 0x8012,
1186 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1187 
1188 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1189 		ql_log(ql_log_fatal, vha, 0x8013,
1190 		    "Wait for hba online failed board disabled.\n");
1191 		goto eh_bus_reset_done;
1192 	}
1193 
1194 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1195 		ret = SUCCESS;
1196 
1197 	if (ret == FAILED)
1198 		goto eh_bus_reset_done;
1199 
1200 	/* Flush outstanding commands. */
1201 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1202 	    QLA_SUCCESS) {
1203 		ql_log(ql_log_warn, vha, 0x8014,
1204 		    "Wait for pending commands failed.\n");
1205 		ret = FAILED;
1206 	}
1207 
1208 eh_bus_reset_done:
1209 	ql_log(ql_log_warn, vha, 0x802b,
1210 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1211 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1212 
1213 	return ret;
1214 }
1215 
1216 /**************************************************************************
1217 * qla2xxx_eh_host_reset
1218 *
1219 * Description:
1220 *    The reset function will reset the Adapter.
1221 *
1222 * Input:
1223 *      cmd = Linux SCSI command packet of the command that cause the
1224 *            adapter reset.
1225 *
1226 * Returns:
1227 *      Either SUCCESS or FAILED.
1228 *
1229 * Note:
1230 **************************************************************************/
1231 static int
1232 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1233 {
1234 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1235 	struct qla_hw_data *ha = vha->hw;
1236 	int ret = FAILED;
1237 	unsigned int id;
1238 	uint64_t lun;
1239 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1240 
1241 	id = cmd->device->id;
1242 	lun = cmd->device->lun;
1243 
1244 	ql_log(ql_log_info, vha, 0x8018,
1245 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1246 
1247 	/*
1248 	 * No point in issuing another reset if one is active.  Also do not
1249 	 * attempt a reset if we are updating flash.
1250 	 */
1251 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1252 		goto eh_host_reset_lock;
1253 
1254 	if (vha != base_vha) {
1255 		if (qla2x00_vp_abort_isp(vha))
1256 			goto eh_host_reset_lock;
1257 	} else {
1258 		if (IS_P3P_TYPE(vha->hw)) {
1259 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1260 				/* Ctx reset success */
1261 				ret = SUCCESS;
1262 				goto eh_host_reset_lock;
1263 			}
1264 			/* fall thru if ctx reset failed */
1265 		}
1266 		if (ha->wq)
1267 			flush_workqueue(ha->wq);
1268 
1269 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1270 		if (ha->isp_ops->abort_isp(base_vha)) {
1271 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1272 			/* failed. schedule dpc to try */
1273 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1274 
1275 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1276 				ql_log(ql_log_warn, vha, 0x802a,
1277 				    "wait for hba online failed.\n");
1278 				goto eh_host_reset_lock;
1279 			}
1280 		}
1281 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1282 	}
1283 
1284 	/* Waiting for command to be returned to OS.*/
1285 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1286 		QLA_SUCCESS)
1287 		ret = SUCCESS;
1288 
1289 eh_host_reset_lock:
1290 	ql_log(ql_log_info, vha, 0x8017,
1291 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1292 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1293 
1294 	return ret;
1295 }
1296 
1297 /*
1298 * qla2x00_loop_reset
1299 *      Issue loop reset.
1300 *
1301 * Input:
1302 *      ha = adapter block pointer.
1303 *
1304 * Returns:
1305 *      0 = success
1306 */
1307 int
1308 qla2x00_loop_reset(scsi_qla_host_t *vha)
1309 {
1310 	int ret;
1311 	struct fc_port *fcport;
1312 	struct qla_hw_data *ha = vha->hw;
1313 
1314 	if (IS_QLAFX00(ha)) {
1315 		return qlafx00_loop_reset(vha);
1316 	}
1317 
1318 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1319 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1320 			if (fcport->port_type != FCT_TARGET)
1321 				continue;
1322 
1323 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1324 			if (ret != QLA_SUCCESS) {
1325 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1326 				    "Bus Reset failed: Reset=%d "
1327 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1328 			}
1329 		}
1330 	}
1331 
1332 
1333 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1334 		atomic_set(&vha->loop_state, LOOP_DOWN);
1335 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1336 		qla2x00_mark_all_devices_lost(vha, 0);
1337 		ret = qla2x00_full_login_lip(vha);
1338 		if (ret != QLA_SUCCESS) {
1339 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1340 			    "full_login_lip=%d.\n", ret);
1341 		}
1342 	}
1343 
1344 	if (ha->flags.enable_lip_reset) {
1345 		ret = qla2x00_lip_reset(vha);
1346 		if (ret != QLA_SUCCESS)
1347 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1348 			    "lip_reset failed (%d).\n", ret);
1349 	}
1350 
1351 	/* Issue marker command only when we are going to start the I/O */
1352 	vha->marker_needed = 1;
1353 
1354 	return QLA_SUCCESS;
1355 }
1356 
1357 void
1358 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1359 {
1360 	int que, cnt;
1361 	unsigned long flags;
1362 	srb_t *sp;
1363 	struct qla_hw_data *ha = vha->hw;
1364 	struct req_que *req;
1365 
1366 	qlt_host_reset_handler(ha);
1367 
1368 	spin_lock_irqsave(&ha->hardware_lock, flags);
1369 	for (que = 0; que < ha->max_req_queues; que++) {
1370 		req = ha->req_q_map[que];
1371 		if (!req)
1372 			continue;
1373 		if (!req->outstanding_cmds)
1374 			continue;
1375 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1376 			sp = req->outstanding_cmds[cnt];
1377 			if (sp) {
1378 				req->outstanding_cmds[cnt] = NULL;
1379 				sp->done(vha, sp, res);
1380 			}
1381 		}
1382 	}
1383 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1384 }
1385 
1386 static int
1387 qla2xxx_slave_alloc(struct scsi_device *sdev)
1388 {
1389 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1390 
1391 	if (!rport || fc_remote_port_chkready(rport))
1392 		return -ENXIO;
1393 
1394 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1395 
1396 	return 0;
1397 }
1398 
1399 static int
1400 qla2xxx_slave_configure(struct scsi_device *sdev)
1401 {
1402 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1403 	struct req_que *req = vha->req;
1404 
1405 	if (IS_T10_PI_CAPABLE(vha->hw))
1406 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1407 
1408 	if (sdev->tagged_supported)
1409 		scsi_activate_tcq(sdev, req->max_q_depth);
1410 	else
1411 		scsi_deactivate_tcq(sdev, req->max_q_depth);
1412 	return 0;
1413 }
1414 
1415 static void
1416 qla2xxx_slave_destroy(struct scsi_device *sdev)
1417 {
1418 	sdev->hostdata = NULL;
1419 }
1420 
1421 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1422 {
1423 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1424 
1425 	if (!scsi_track_queue_full(sdev, qdepth))
1426 		return;
1427 
1428 	ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1429 	    "Queue depth adjusted-down to %d for nexus=%ld:%d:%llu.\n",
1430 	    sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1431 }
1432 
1433 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1434 {
1435 	fc_port_t *fcport = sdev->hostdata;
1436 	struct scsi_qla_host *vha = fcport->vha;
1437 	struct req_que *req = NULL;
1438 
1439 	req = vha->req;
1440 	if (!req)
1441 		return;
1442 
1443 	if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1444 		return;
1445 
1446 	if (sdev->ordered_tags)
1447 		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1448 	else
1449 		scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1450 
1451 	ql_dbg(ql_dbg_io, vha, 0x302a,
1452 	    "Queue depth adjusted-up to %d for nexus=%ld:%d:%llu.\n",
1453 	    sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1454 }
1455 
1456 static int
1457 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1458 {
1459 	switch (reason) {
1460 	case SCSI_QDEPTH_DEFAULT:
1461 		scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1462 		break;
1463 	case SCSI_QDEPTH_QFULL:
1464 		qla2x00_handle_queue_full(sdev, qdepth);
1465 		break;
1466 	case SCSI_QDEPTH_RAMP_UP:
1467 		qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1468 		break;
1469 	default:
1470 		return -EOPNOTSUPP;
1471 	}
1472 
1473 	return sdev->queue_depth;
1474 }
1475 
1476 static int
1477 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1478 {
1479 	if (sdev->tagged_supported) {
1480 		scsi_set_tag_type(sdev, tag_type);
1481 		if (tag_type)
1482 			scsi_activate_tcq(sdev, sdev->queue_depth);
1483 		else
1484 			scsi_deactivate_tcq(sdev, sdev->queue_depth);
1485 	} else
1486 		tag_type = 0;
1487 
1488 	return tag_type;
1489 }
1490 
1491 /**
1492  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1493  * @ha: HA context
1494  *
1495  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1496  * supported addressing method.
1497  */
1498 static void
1499 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1500 {
1501 	/* Assume a 32bit DMA mask. */
1502 	ha->flags.enable_64bit_addressing = 0;
1503 
1504 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1505 		/* Any upper-dword bits set? */
1506 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1507 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1508 			/* Ok, a 64bit DMA mask is applicable. */
1509 			ha->flags.enable_64bit_addressing = 1;
1510 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1511 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1512 			return;
1513 		}
1514 	}
1515 
1516 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1517 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1518 }
1519 
1520 static void
1521 qla2x00_enable_intrs(struct qla_hw_data *ha)
1522 {
1523 	unsigned long flags = 0;
1524 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1525 
1526 	spin_lock_irqsave(&ha->hardware_lock, flags);
1527 	ha->interrupts_on = 1;
1528 	/* enable risc and host interrupts */
1529 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1530 	RD_REG_WORD(&reg->ictrl);
1531 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1532 
1533 }
1534 
1535 static void
1536 qla2x00_disable_intrs(struct qla_hw_data *ha)
1537 {
1538 	unsigned long flags = 0;
1539 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1540 
1541 	spin_lock_irqsave(&ha->hardware_lock, flags);
1542 	ha->interrupts_on = 0;
1543 	/* disable risc and host interrupts */
1544 	WRT_REG_WORD(&reg->ictrl, 0);
1545 	RD_REG_WORD(&reg->ictrl);
1546 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1547 }
1548 
1549 static void
1550 qla24xx_enable_intrs(struct qla_hw_data *ha)
1551 {
1552 	unsigned long flags = 0;
1553 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1554 
1555 	spin_lock_irqsave(&ha->hardware_lock, flags);
1556 	ha->interrupts_on = 1;
1557 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1558 	RD_REG_DWORD(&reg->ictrl);
1559 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1560 }
1561 
1562 static void
1563 qla24xx_disable_intrs(struct qla_hw_data *ha)
1564 {
1565 	unsigned long flags = 0;
1566 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1567 
1568 	if (IS_NOPOLLING_TYPE(ha))
1569 		return;
1570 	spin_lock_irqsave(&ha->hardware_lock, flags);
1571 	ha->interrupts_on = 0;
1572 	WRT_REG_DWORD(&reg->ictrl, 0);
1573 	RD_REG_DWORD(&reg->ictrl);
1574 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1575 }
1576 
1577 static int
1578 qla2x00_iospace_config(struct qla_hw_data *ha)
1579 {
1580 	resource_size_t pio;
1581 	uint16_t msix;
1582 	int cpus;
1583 
1584 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1585 	    QLA2XXX_DRIVER_NAME)) {
1586 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1587 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1588 		    pci_name(ha->pdev));
1589 		goto iospace_error_exit;
1590 	}
1591 	if (!(ha->bars & 1))
1592 		goto skip_pio;
1593 
1594 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1595 	pio = pci_resource_start(ha->pdev, 0);
1596 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1597 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1598 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1599 			    "Invalid pci I/O region size (%s).\n",
1600 			    pci_name(ha->pdev));
1601 			pio = 0;
1602 		}
1603 	} else {
1604 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1605 		    "Region #0 no a PIO resource (%s).\n",
1606 		    pci_name(ha->pdev));
1607 		pio = 0;
1608 	}
1609 	ha->pio_address = pio;
1610 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1611 	    "PIO address=%llu.\n",
1612 	    (unsigned long long)ha->pio_address);
1613 
1614 skip_pio:
1615 	/* Use MMIO operations for all accesses. */
1616 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1617 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1618 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1619 		    pci_name(ha->pdev));
1620 		goto iospace_error_exit;
1621 	}
1622 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1623 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1624 		    "Invalid PCI mem region size (%s), aborting.\n",
1625 		    pci_name(ha->pdev));
1626 		goto iospace_error_exit;
1627 	}
1628 
1629 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1630 	if (!ha->iobase) {
1631 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1632 		    "Cannot remap MMIO (%s), aborting.\n",
1633 		    pci_name(ha->pdev));
1634 		goto iospace_error_exit;
1635 	}
1636 
1637 	/* Determine queue resources */
1638 	ha->max_req_queues = ha->max_rsp_queues = 1;
1639 	if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1640 		(ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1641 		(!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1642 		goto mqiobase_exit;
1643 
1644 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1645 			pci_resource_len(ha->pdev, 3));
1646 	if (ha->mqiobase) {
1647 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1648 		    "MQIO Base=%p.\n", ha->mqiobase);
1649 		/* Read MSIX vector size of the board */
1650 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1651 		ha->msix_count = msix;
1652 		/* Max queues are bounded by available msix vectors */
1653 		/* queue 0 uses two msix vectors */
1654 		if (ql2xmultique_tag) {
1655 			cpus = num_online_cpus();
1656 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1657 				(cpus + 1) : (ha->msix_count - 1);
1658 			ha->max_req_queues = 2;
1659 		} else if (ql2xmaxqueues > 1) {
1660 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1661 			    QLA_MQ_SIZE : ql2xmaxqueues;
1662 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1663 			    "QoS mode set, max no of request queues:%d.\n",
1664 			    ha->max_req_queues);
1665 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1666 			    "QoS mode set, max no of request queues:%d.\n",
1667 			    ha->max_req_queues);
1668 		}
1669 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1670 		    "MSI-X vector count: %d.\n", msix);
1671 	} else
1672 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1673 		    "BAR 3 not enabled.\n");
1674 
1675 mqiobase_exit:
1676 	ha->msix_count = ha->max_rsp_queues + 1;
1677 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1678 	    "MSIX Count:%d.\n", ha->msix_count);
1679 	return (0);
1680 
1681 iospace_error_exit:
1682 	return (-ENOMEM);
1683 }
1684 
1685 
1686 static int
1687 qla83xx_iospace_config(struct qla_hw_data *ha)
1688 {
1689 	uint16_t msix;
1690 	int cpus;
1691 
1692 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1693 	    QLA2XXX_DRIVER_NAME)) {
1694 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1695 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1696 		    pci_name(ha->pdev));
1697 
1698 		goto iospace_error_exit;
1699 	}
1700 
1701 	/* Use MMIO operations for all accesses. */
1702 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1703 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1704 		    "Invalid pci I/O region size (%s).\n",
1705 		    pci_name(ha->pdev));
1706 		goto iospace_error_exit;
1707 	}
1708 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1709 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1710 		    "Invalid PCI mem region size (%s), aborting\n",
1711 			pci_name(ha->pdev));
1712 		goto iospace_error_exit;
1713 	}
1714 
1715 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1716 	if (!ha->iobase) {
1717 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1718 		    "Cannot remap MMIO (%s), aborting.\n",
1719 		    pci_name(ha->pdev));
1720 		goto iospace_error_exit;
1721 	}
1722 
1723 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1724 	/* 83XX 26XX always use MQ type access for queues
1725 	 * - mbar 2, a.k.a region 4 */
1726 	ha->max_req_queues = ha->max_rsp_queues = 1;
1727 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1728 			pci_resource_len(ha->pdev, 4));
1729 
1730 	if (!ha->mqiobase) {
1731 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1732 		    "BAR2/region4 not enabled\n");
1733 		goto mqiobase_exit;
1734 	}
1735 
1736 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1737 			pci_resource_len(ha->pdev, 2));
1738 	if (ha->msixbase) {
1739 		/* Read MSIX vector size of the board */
1740 		pci_read_config_word(ha->pdev,
1741 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
1742 		ha->msix_count = msix;
1743 		/* Max queues are bounded by available msix vectors */
1744 		/* queue 0 uses two msix vectors */
1745 		if (ql2xmultique_tag) {
1746 			cpus = num_online_cpus();
1747 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1748 				(cpus + 1) : (ha->msix_count - 1);
1749 			ha->max_req_queues = 2;
1750 		} else if (ql2xmaxqueues > 1) {
1751 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1752 						QLA_MQ_SIZE : ql2xmaxqueues;
1753 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1754 			    "QoS mode set, max no of request queues:%d.\n",
1755 			    ha->max_req_queues);
1756 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1757 			    "QoS mode set, max no of request queues:%d.\n",
1758 			    ha->max_req_queues);
1759 		}
1760 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1761 		    "MSI-X vector count: %d.\n", msix);
1762 	} else
1763 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1764 		    "BAR 1 not enabled.\n");
1765 
1766 mqiobase_exit:
1767 	ha->msix_count = ha->max_rsp_queues + 1;
1768 
1769 	qlt_83xx_iospace_config(ha);
1770 
1771 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1772 	    "MSIX Count:%d.\n", ha->msix_count);
1773 	return 0;
1774 
1775 iospace_error_exit:
1776 	return -ENOMEM;
1777 }
1778 
1779 static struct isp_operations qla2100_isp_ops = {
1780 	.pci_config		= qla2100_pci_config,
1781 	.reset_chip		= qla2x00_reset_chip,
1782 	.chip_diag		= qla2x00_chip_diag,
1783 	.config_rings		= qla2x00_config_rings,
1784 	.reset_adapter		= qla2x00_reset_adapter,
1785 	.nvram_config		= qla2x00_nvram_config,
1786 	.update_fw_options	= qla2x00_update_fw_options,
1787 	.load_risc		= qla2x00_load_risc,
1788 	.pci_info_str		= qla2x00_pci_info_str,
1789 	.fw_version_str		= qla2x00_fw_version_str,
1790 	.intr_handler		= qla2100_intr_handler,
1791 	.enable_intrs		= qla2x00_enable_intrs,
1792 	.disable_intrs		= qla2x00_disable_intrs,
1793 	.abort_command		= qla2x00_abort_command,
1794 	.target_reset		= qla2x00_abort_target,
1795 	.lun_reset		= qla2x00_lun_reset,
1796 	.fabric_login		= qla2x00_login_fabric,
1797 	.fabric_logout		= qla2x00_fabric_logout,
1798 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1799 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1800 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1801 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1802 	.read_nvram		= qla2x00_read_nvram_data,
1803 	.write_nvram		= qla2x00_write_nvram_data,
1804 	.fw_dump		= qla2100_fw_dump,
1805 	.beacon_on		= NULL,
1806 	.beacon_off		= NULL,
1807 	.beacon_blink		= NULL,
1808 	.read_optrom		= qla2x00_read_optrom_data,
1809 	.write_optrom		= qla2x00_write_optrom_data,
1810 	.get_flash_version	= qla2x00_get_flash_version,
1811 	.start_scsi		= qla2x00_start_scsi,
1812 	.abort_isp		= qla2x00_abort_isp,
1813 	.iospace_config     	= qla2x00_iospace_config,
1814 	.initialize_adapter	= qla2x00_initialize_adapter,
1815 };
1816 
1817 static struct isp_operations qla2300_isp_ops = {
1818 	.pci_config		= qla2300_pci_config,
1819 	.reset_chip		= qla2x00_reset_chip,
1820 	.chip_diag		= qla2x00_chip_diag,
1821 	.config_rings		= qla2x00_config_rings,
1822 	.reset_adapter		= qla2x00_reset_adapter,
1823 	.nvram_config		= qla2x00_nvram_config,
1824 	.update_fw_options	= qla2x00_update_fw_options,
1825 	.load_risc		= qla2x00_load_risc,
1826 	.pci_info_str		= qla2x00_pci_info_str,
1827 	.fw_version_str		= qla2x00_fw_version_str,
1828 	.intr_handler		= qla2300_intr_handler,
1829 	.enable_intrs		= qla2x00_enable_intrs,
1830 	.disable_intrs		= qla2x00_disable_intrs,
1831 	.abort_command		= qla2x00_abort_command,
1832 	.target_reset		= qla2x00_abort_target,
1833 	.lun_reset		= qla2x00_lun_reset,
1834 	.fabric_login		= qla2x00_login_fabric,
1835 	.fabric_logout		= qla2x00_fabric_logout,
1836 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1837 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1838 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1839 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1840 	.read_nvram		= qla2x00_read_nvram_data,
1841 	.write_nvram		= qla2x00_write_nvram_data,
1842 	.fw_dump		= qla2300_fw_dump,
1843 	.beacon_on		= qla2x00_beacon_on,
1844 	.beacon_off		= qla2x00_beacon_off,
1845 	.beacon_blink		= qla2x00_beacon_blink,
1846 	.read_optrom		= qla2x00_read_optrom_data,
1847 	.write_optrom		= qla2x00_write_optrom_data,
1848 	.get_flash_version	= qla2x00_get_flash_version,
1849 	.start_scsi		= qla2x00_start_scsi,
1850 	.abort_isp		= qla2x00_abort_isp,
1851 	.iospace_config		= qla2x00_iospace_config,
1852 	.initialize_adapter	= qla2x00_initialize_adapter,
1853 };
1854 
1855 static struct isp_operations qla24xx_isp_ops = {
1856 	.pci_config		= qla24xx_pci_config,
1857 	.reset_chip		= qla24xx_reset_chip,
1858 	.chip_diag		= qla24xx_chip_diag,
1859 	.config_rings		= qla24xx_config_rings,
1860 	.reset_adapter		= qla24xx_reset_adapter,
1861 	.nvram_config		= qla24xx_nvram_config,
1862 	.update_fw_options	= qla24xx_update_fw_options,
1863 	.load_risc		= qla24xx_load_risc,
1864 	.pci_info_str		= qla24xx_pci_info_str,
1865 	.fw_version_str		= qla24xx_fw_version_str,
1866 	.intr_handler		= qla24xx_intr_handler,
1867 	.enable_intrs		= qla24xx_enable_intrs,
1868 	.disable_intrs		= qla24xx_disable_intrs,
1869 	.abort_command		= qla24xx_abort_command,
1870 	.target_reset		= qla24xx_abort_target,
1871 	.lun_reset		= qla24xx_lun_reset,
1872 	.fabric_login		= qla24xx_login_fabric,
1873 	.fabric_logout		= qla24xx_fabric_logout,
1874 	.calc_req_entries	= NULL,
1875 	.build_iocbs		= NULL,
1876 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1877 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1878 	.read_nvram		= qla24xx_read_nvram_data,
1879 	.write_nvram		= qla24xx_write_nvram_data,
1880 	.fw_dump		= qla24xx_fw_dump,
1881 	.beacon_on		= qla24xx_beacon_on,
1882 	.beacon_off		= qla24xx_beacon_off,
1883 	.beacon_blink		= qla24xx_beacon_blink,
1884 	.read_optrom		= qla24xx_read_optrom_data,
1885 	.write_optrom		= qla24xx_write_optrom_data,
1886 	.get_flash_version	= qla24xx_get_flash_version,
1887 	.start_scsi		= qla24xx_start_scsi,
1888 	.abort_isp		= qla2x00_abort_isp,
1889 	.iospace_config		= qla2x00_iospace_config,
1890 	.initialize_adapter	= qla2x00_initialize_adapter,
1891 };
1892 
1893 static struct isp_operations qla25xx_isp_ops = {
1894 	.pci_config		= qla25xx_pci_config,
1895 	.reset_chip		= qla24xx_reset_chip,
1896 	.chip_diag		= qla24xx_chip_diag,
1897 	.config_rings		= qla24xx_config_rings,
1898 	.reset_adapter		= qla24xx_reset_adapter,
1899 	.nvram_config		= qla24xx_nvram_config,
1900 	.update_fw_options	= qla24xx_update_fw_options,
1901 	.load_risc		= qla24xx_load_risc,
1902 	.pci_info_str		= qla24xx_pci_info_str,
1903 	.fw_version_str		= qla24xx_fw_version_str,
1904 	.intr_handler		= qla24xx_intr_handler,
1905 	.enable_intrs		= qla24xx_enable_intrs,
1906 	.disable_intrs		= qla24xx_disable_intrs,
1907 	.abort_command		= qla24xx_abort_command,
1908 	.target_reset		= qla24xx_abort_target,
1909 	.lun_reset		= qla24xx_lun_reset,
1910 	.fabric_login		= qla24xx_login_fabric,
1911 	.fabric_logout		= qla24xx_fabric_logout,
1912 	.calc_req_entries	= NULL,
1913 	.build_iocbs		= NULL,
1914 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1915 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1916 	.read_nvram		= qla25xx_read_nvram_data,
1917 	.write_nvram		= qla25xx_write_nvram_data,
1918 	.fw_dump		= qla25xx_fw_dump,
1919 	.beacon_on		= qla24xx_beacon_on,
1920 	.beacon_off		= qla24xx_beacon_off,
1921 	.beacon_blink		= qla24xx_beacon_blink,
1922 	.read_optrom		= qla25xx_read_optrom_data,
1923 	.write_optrom		= qla24xx_write_optrom_data,
1924 	.get_flash_version	= qla24xx_get_flash_version,
1925 	.start_scsi		= qla24xx_dif_start_scsi,
1926 	.abort_isp		= qla2x00_abort_isp,
1927 	.iospace_config		= qla2x00_iospace_config,
1928 	.initialize_adapter	= qla2x00_initialize_adapter,
1929 };
1930 
1931 static struct isp_operations qla81xx_isp_ops = {
1932 	.pci_config		= qla25xx_pci_config,
1933 	.reset_chip		= qla24xx_reset_chip,
1934 	.chip_diag		= qla24xx_chip_diag,
1935 	.config_rings		= qla24xx_config_rings,
1936 	.reset_adapter		= qla24xx_reset_adapter,
1937 	.nvram_config		= qla81xx_nvram_config,
1938 	.update_fw_options	= qla81xx_update_fw_options,
1939 	.load_risc		= qla81xx_load_risc,
1940 	.pci_info_str		= qla24xx_pci_info_str,
1941 	.fw_version_str		= qla24xx_fw_version_str,
1942 	.intr_handler		= qla24xx_intr_handler,
1943 	.enable_intrs		= qla24xx_enable_intrs,
1944 	.disable_intrs		= qla24xx_disable_intrs,
1945 	.abort_command		= qla24xx_abort_command,
1946 	.target_reset		= qla24xx_abort_target,
1947 	.lun_reset		= qla24xx_lun_reset,
1948 	.fabric_login		= qla24xx_login_fabric,
1949 	.fabric_logout		= qla24xx_fabric_logout,
1950 	.calc_req_entries	= NULL,
1951 	.build_iocbs		= NULL,
1952 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1953 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1954 	.read_nvram		= NULL,
1955 	.write_nvram		= NULL,
1956 	.fw_dump		= qla81xx_fw_dump,
1957 	.beacon_on		= qla24xx_beacon_on,
1958 	.beacon_off		= qla24xx_beacon_off,
1959 	.beacon_blink		= qla83xx_beacon_blink,
1960 	.read_optrom		= qla25xx_read_optrom_data,
1961 	.write_optrom		= qla24xx_write_optrom_data,
1962 	.get_flash_version	= qla24xx_get_flash_version,
1963 	.start_scsi		= qla24xx_dif_start_scsi,
1964 	.abort_isp		= qla2x00_abort_isp,
1965 	.iospace_config		= qla2x00_iospace_config,
1966 	.initialize_adapter	= qla2x00_initialize_adapter,
1967 };
1968 
1969 static struct isp_operations qla82xx_isp_ops = {
1970 	.pci_config		= qla82xx_pci_config,
1971 	.reset_chip		= qla82xx_reset_chip,
1972 	.chip_diag		= qla24xx_chip_diag,
1973 	.config_rings		= qla82xx_config_rings,
1974 	.reset_adapter		= qla24xx_reset_adapter,
1975 	.nvram_config		= qla81xx_nvram_config,
1976 	.update_fw_options	= qla24xx_update_fw_options,
1977 	.load_risc		= qla82xx_load_risc,
1978 	.pci_info_str		= qla24xx_pci_info_str,
1979 	.fw_version_str		= qla24xx_fw_version_str,
1980 	.intr_handler		= qla82xx_intr_handler,
1981 	.enable_intrs		= qla82xx_enable_intrs,
1982 	.disable_intrs		= qla82xx_disable_intrs,
1983 	.abort_command		= qla24xx_abort_command,
1984 	.target_reset		= qla24xx_abort_target,
1985 	.lun_reset		= qla24xx_lun_reset,
1986 	.fabric_login		= qla24xx_login_fabric,
1987 	.fabric_logout		= qla24xx_fabric_logout,
1988 	.calc_req_entries	= NULL,
1989 	.build_iocbs		= NULL,
1990 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1991 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1992 	.read_nvram		= qla24xx_read_nvram_data,
1993 	.write_nvram		= qla24xx_write_nvram_data,
1994 	.fw_dump		= qla82xx_fw_dump,
1995 	.beacon_on		= qla82xx_beacon_on,
1996 	.beacon_off		= qla82xx_beacon_off,
1997 	.beacon_blink		= NULL,
1998 	.read_optrom		= qla82xx_read_optrom_data,
1999 	.write_optrom		= qla82xx_write_optrom_data,
2000 	.get_flash_version	= qla82xx_get_flash_version,
2001 	.start_scsi             = qla82xx_start_scsi,
2002 	.abort_isp		= qla82xx_abort_isp,
2003 	.iospace_config     	= qla82xx_iospace_config,
2004 	.initialize_adapter	= qla2x00_initialize_adapter,
2005 };
2006 
2007 static struct isp_operations qla8044_isp_ops = {
2008 	.pci_config		= qla82xx_pci_config,
2009 	.reset_chip		= qla82xx_reset_chip,
2010 	.chip_diag		= qla24xx_chip_diag,
2011 	.config_rings		= qla82xx_config_rings,
2012 	.reset_adapter		= qla24xx_reset_adapter,
2013 	.nvram_config		= qla81xx_nvram_config,
2014 	.update_fw_options	= qla24xx_update_fw_options,
2015 	.load_risc		= qla82xx_load_risc,
2016 	.pci_info_str		= qla24xx_pci_info_str,
2017 	.fw_version_str		= qla24xx_fw_version_str,
2018 	.intr_handler		= qla8044_intr_handler,
2019 	.enable_intrs		= qla82xx_enable_intrs,
2020 	.disable_intrs		= qla82xx_disable_intrs,
2021 	.abort_command		= qla24xx_abort_command,
2022 	.target_reset		= qla24xx_abort_target,
2023 	.lun_reset		= qla24xx_lun_reset,
2024 	.fabric_login		= qla24xx_login_fabric,
2025 	.fabric_logout		= qla24xx_fabric_logout,
2026 	.calc_req_entries	= NULL,
2027 	.build_iocbs		= NULL,
2028 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2029 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2030 	.read_nvram		= NULL,
2031 	.write_nvram		= NULL,
2032 	.fw_dump		= qla8044_fw_dump,
2033 	.beacon_on		= qla82xx_beacon_on,
2034 	.beacon_off		= qla82xx_beacon_off,
2035 	.beacon_blink		= NULL,
2036 	.read_optrom		= qla8044_read_optrom_data,
2037 	.write_optrom		= qla8044_write_optrom_data,
2038 	.get_flash_version	= qla82xx_get_flash_version,
2039 	.start_scsi             = qla82xx_start_scsi,
2040 	.abort_isp		= qla8044_abort_isp,
2041 	.iospace_config		= qla82xx_iospace_config,
2042 	.initialize_adapter	= qla2x00_initialize_adapter,
2043 };
2044 
2045 static struct isp_operations qla83xx_isp_ops = {
2046 	.pci_config		= qla25xx_pci_config,
2047 	.reset_chip		= qla24xx_reset_chip,
2048 	.chip_diag		= qla24xx_chip_diag,
2049 	.config_rings		= qla24xx_config_rings,
2050 	.reset_adapter		= qla24xx_reset_adapter,
2051 	.nvram_config		= qla81xx_nvram_config,
2052 	.update_fw_options	= qla81xx_update_fw_options,
2053 	.load_risc		= qla81xx_load_risc,
2054 	.pci_info_str		= qla24xx_pci_info_str,
2055 	.fw_version_str		= qla24xx_fw_version_str,
2056 	.intr_handler		= qla24xx_intr_handler,
2057 	.enable_intrs		= qla24xx_enable_intrs,
2058 	.disable_intrs		= qla24xx_disable_intrs,
2059 	.abort_command		= qla24xx_abort_command,
2060 	.target_reset		= qla24xx_abort_target,
2061 	.lun_reset		= qla24xx_lun_reset,
2062 	.fabric_login		= qla24xx_login_fabric,
2063 	.fabric_logout		= qla24xx_fabric_logout,
2064 	.calc_req_entries	= NULL,
2065 	.build_iocbs		= NULL,
2066 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2067 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2068 	.read_nvram		= NULL,
2069 	.write_nvram		= NULL,
2070 	.fw_dump		= qla83xx_fw_dump,
2071 	.beacon_on		= qla24xx_beacon_on,
2072 	.beacon_off		= qla24xx_beacon_off,
2073 	.beacon_blink		= qla83xx_beacon_blink,
2074 	.read_optrom		= qla25xx_read_optrom_data,
2075 	.write_optrom		= qla24xx_write_optrom_data,
2076 	.get_flash_version	= qla24xx_get_flash_version,
2077 	.start_scsi		= qla24xx_dif_start_scsi,
2078 	.abort_isp		= qla2x00_abort_isp,
2079 	.iospace_config		= qla83xx_iospace_config,
2080 	.initialize_adapter	= qla2x00_initialize_adapter,
2081 };
2082 
2083 static struct isp_operations qlafx00_isp_ops = {
2084 	.pci_config		= qlafx00_pci_config,
2085 	.reset_chip		= qlafx00_soft_reset,
2086 	.chip_diag		= qlafx00_chip_diag,
2087 	.config_rings		= qlafx00_config_rings,
2088 	.reset_adapter		= qlafx00_soft_reset,
2089 	.nvram_config		= NULL,
2090 	.update_fw_options	= NULL,
2091 	.load_risc		= NULL,
2092 	.pci_info_str		= qlafx00_pci_info_str,
2093 	.fw_version_str		= qlafx00_fw_version_str,
2094 	.intr_handler		= qlafx00_intr_handler,
2095 	.enable_intrs		= qlafx00_enable_intrs,
2096 	.disable_intrs		= qlafx00_disable_intrs,
2097 	.abort_command		= qla24xx_async_abort_command,
2098 	.target_reset		= qlafx00_abort_target,
2099 	.lun_reset		= qlafx00_lun_reset,
2100 	.fabric_login		= NULL,
2101 	.fabric_logout		= NULL,
2102 	.calc_req_entries	= NULL,
2103 	.build_iocbs		= NULL,
2104 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2105 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2106 	.read_nvram		= qla24xx_read_nvram_data,
2107 	.write_nvram		= qla24xx_write_nvram_data,
2108 	.fw_dump		= NULL,
2109 	.beacon_on		= qla24xx_beacon_on,
2110 	.beacon_off		= qla24xx_beacon_off,
2111 	.beacon_blink		= NULL,
2112 	.read_optrom		= qla24xx_read_optrom_data,
2113 	.write_optrom		= qla24xx_write_optrom_data,
2114 	.get_flash_version	= qla24xx_get_flash_version,
2115 	.start_scsi		= qlafx00_start_scsi,
2116 	.abort_isp		= qlafx00_abort_isp,
2117 	.iospace_config		= qlafx00_iospace_config,
2118 	.initialize_adapter	= qlafx00_initialize_adapter,
2119 };
2120 
2121 static struct isp_operations qla27xx_isp_ops = {
2122 	.pci_config		= qla25xx_pci_config,
2123 	.reset_chip		= qla24xx_reset_chip,
2124 	.chip_diag		= qla24xx_chip_diag,
2125 	.config_rings		= qla24xx_config_rings,
2126 	.reset_adapter		= qla24xx_reset_adapter,
2127 	.nvram_config		= qla81xx_nvram_config,
2128 	.update_fw_options	= qla81xx_update_fw_options,
2129 	.load_risc		= qla81xx_load_risc,
2130 	.pci_info_str		= qla24xx_pci_info_str,
2131 	.fw_version_str		= qla24xx_fw_version_str,
2132 	.intr_handler		= qla24xx_intr_handler,
2133 	.enable_intrs		= qla24xx_enable_intrs,
2134 	.disable_intrs		= qla24xx_disable_intrs,
2135 	.abort_command		= qla24xx_abort_command,
2136 	.target_reset		= qla24xx_abort_target,
2137 	.lun_reset		= qla24xx_lun_reset,
2138 	.fabric_login		= qla24xx_login_fabric,
2139 	.fabric_logout		= qla24xx_fabric_logout,
2140 	.calc_req_entries	= NULL,
2141 	.build_iocbs		= NULL,
2142 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2143 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2144 	.read_nvram		= NULL,
2145 	.write_nvram		= NULL,
2146 	.fw_dump		= qla27xx_fwdump,
2147 	.beacon_on		= qla24xx_beacon_on,
2148 	.beacon_off		= qla24xx_beacon_off,
2149 	.beacon_blink		= qla83xx_beacon_blink,
2150 	.read_optrom		= qla25xx_read_optrom_data,
2151 	.write_optrom		= qla24xx_write_optrom_data,
2152 	.get_flash_version	= qla24xx_get_flash_version,
2153 	.start_scsi		= qla24xx_dif_start_scsi,
2154 	.abort_isp		= qla2x00_abort_isp,
2155 	.iospace_config		= qla83xx_iospace_config,
2156 	.initialize_adapter	= qla2x00_initialize_adapter,
2157 };
2158 
2159 static inline void
2160 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2161 {
2162 	ha->device_type = DT_EXTENDED_IDS;
2163 	switch (ha->pdev->device) {
2164 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2165 		ha->device_type |= DT_ISP2100;
2166 		ha->device_type &= ~DT_EXTENDED_IDS;
2167 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2168 		break;
2169 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2170 		ha->device_type |= DT_ISP2200;
2171 		ha->device_type &= ~DT_EXTENDED_IDS;
2172 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2173 		break;
2174 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2175 		ha->device_type |= DT_ISP2300;
2176 		ha->device_type |= DT_ZIO_SUPPORTED;
2177 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2178 		break;
2179 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2180 		ha->device_type |= DT_ISP2312;
2181 		ha->device_type |= DT_ZIO_SUPPORTED;
2182 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2183 		break;
2184 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2185 		ha->device_type |= DT_ISP2322;
2186 		ha->device_type |= DT_ZIO_SUPPORTED;
2187 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2188 		    ha->pdev->subsystem_device == 0x0170)
2189 			ha->device_type |= DT_OEM_001;
2190 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2191 		break;
2192 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2193 		ha->device_type |= DT_ISP6312;
2194 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2195 		break;
2196 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2197 		ha->device_type |= DT_ISP6322;
2198 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2199 		break;
2200 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2201 		ha->device_type |= DT_ISP2422;
2202 		ha->device_type |= DT_ZIO_SUPPORTED;
2203 		ha->device_type |= DT_FWI2;
2204 		ha->device_type |= DT_IIDMA;
2205 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2206 		break;
2207 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2208 		ha->device_type |= DT_ISP2432;
2209 		ha->device_type |= DT_ZIO_SUPPORTED;
2210 		ha->device_type |= DT_FWI2;
2211 		ha->device_type |= DT_IIDMA;
2212 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2213 		break;
2214 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2215 		ha->device_type |= DT_ISP8432;
2216 		ha->device_type |= DT_ZIO_SUPPORTED;
2217 		ha->device_type |= DT_FWI2;
2218 		ha->device_type |= DT_IIDMA;
2219 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2220 		break;
2221 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2222 		ha->device_type |= DT_ISP5422;
2223 		ha->device_type |= DT_FWI2;
2224 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2225 		break;
2226 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2227 		ha->device_type |= DT_ISP5432;
2228 		ha->device_type |= DT_FWI2;
2229 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2230 		break;
2231 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2232 		ha->device_type |= DT_ISP2532;
2233 		ha->device_type |= DT_ZIO_SUPPORTED;
2234 		ha->device_type |= DT_FWI2;
2235 		ha->device_type |= DT_IIDMA;
2236 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2237 		break;
2238 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2239 		ha->device_type |= DT_ISP8001;
2240 		ha->device_type |= DT_ZIO_SUPPORTED;
2241 		ha->device_type |= DT_FWI2;
2242 		ha->device_type |= DT_IIDMA;
2243 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2244 		break;
2245 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2246 		ha->device_type |= DT_ISP8021;
2247 		ha->device_type |= DT_ZIO_SUPPORTED;
2248 		ha->device_type |= DT_FWI2;
2249 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2250 		/* Initialize 82XX ISP flags */
2251 		qla82xx_init_flags(ha);
2252 		break;
2253 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2254 		ha->device_type |= DT_ISP8044;
2255 		ha->device_type |= DT_ZIO_SUPPORTED;
2256 		ha->device_type |= DT_FWI2;
2257 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2258 		/* Initialize 82XX ISP flags */
2259 		qla82xx_init_flags(ha);
2260 		break;
2261 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2262 		ha->device_type |= DT_ISP2031;
2263 		ha->device_type |= DT_ZIO_SUPPORTED;
2264 		ha->device_type |= DT_FWI2;
2265 		ha->device_type |= DT_IIDMA;
2266 		ha->device_type |= DT_T10_PI;
2267 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2268 		break;
2269 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2270 		ha->device_type |= DT_ISP8031;
2271 		ha->device_type |= DT_ZIO_SUPPORTED;
2272 		ha->device_type |= DT_FWI2;
2273 		ha->device_type |= DT_IIDMA;
2274 		ha->device_type |= DT_T10_PI;
2275 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2276 		break;
2277 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2278 		ha->device_type |= DT_ISPFX00;
2279 		break;
2280 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2281 		ha->device_type |= DT_ISP2071;
2282 		ha->device_type |= DT_ZIO_SUPPORTED;
2283 		ha->device_type |= DT_FWI2;
2284 		ha->device_type |= DT_IIDMA;
2285 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2286 		break;
2287 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2288 		ha->device_type |= DT_ISP2271;
2289 		ha->device_type |= DT_ZIO_SUPPORTED;
2290 		ha->device_type |= DT_FWI2;
2291 		ha->device_type |= DT_IIDMA;
2292 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2293 		break;
2294 	}
2295 
2296 	if (IS_QLA82XX(ha))
2297 		ha->port_no = ha->portnum & 1;
2298 	else {
2299 		/* Get adapter physical port no from interrupt pin register. */
2300 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2301 		if (IS_QLA27XX(ha))
2302 			ha->port_no--;
2303 		else
2304 			ha->port_no = !(ha->port_no & 1);
2305 	}
2306 
2307 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2308 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2309 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2310 }
2311 
2312 static void
2313 qla2xxx_scan_start(struct Scsi_Host *shost)
2314 {
2315 	scsi_qla_host_t *vha = shost_priv(shost);
2316 
2317 	if (vha->hw->flags.running_gold_fw)
2318 		return;
2319 
2320 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2321 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2322 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2323 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2324 }
2325 
2326 static int
2327 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2328 {
2329 	scsi_qla_host_t *vha = shost_priv(shost);
2330 
2331 	if (!vha->host)
2332 		return 1;
2333 	if (time > vha->hw->loop_reset_delay * HZ)
2334 		return 1;
2335 
2336 	return atomic_read(&vha->loop_state) == LOOP_READY;
2337 }
2338 
2339 /*
2340  * PCI driver interface
2341  */
2342 static int
2343 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2344 {
2345 	int	ret = -ENODEV;
2346 	struct Scsi_Host *host;
2347 	scsi_qla_host_t *base_vha = NULL;
2348 	struct qla_hw_data *ha;
2349 	char pci_info[30];
2350 	char fw_str[30], wq_name[30];
2351 	struct scsi_host_template *sht;
2352 	int bars, mem_only = 0;
2353 	uint16_t req_length = 0, rsp_length = 0;
2354 	struct req_que *req = NULL;
2355 	struct rsp_que *rsp = NULL;
2356 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2357 	sht = &qla2xxx_driver_template;
2358 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2359 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2360 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2361 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2362 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2363 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2364 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2365 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2366 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2367 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2368 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2369 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2370 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2371 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271) {
2372 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2373 		mem_only = 1;
2374 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2375 		    "Mem only adapter.\n");
2376 	}
2377 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2378 	    "Bars=%d.\n", bars);
2379 
2380 	if (mem_only) {
2381 		if (pci_enable_device_mem(pdev))
2382 			goto probe_out;
2383 	} else {
2384 		if (pci_enable_device(pdev))
2385 			goto probe_out;
2386 	}
2387 
2388 	/* This may fail but that's ok */
2389 	pci_enable_pcie_error_reporting(pdev);
2390 
2391 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2392 	if (!ha) {
2393 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2394 		    "Unable to allocate memory for ha.\n");
2395 		goto probe_out;
2396 	}
2397 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2398 	    "Memory allocated for ha=%p.\n", ha);
2399 	ha->pdev = pdev;
2400 	ha->tgt.enable_class_2 = ql2xenableclass2;
2401 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2402 	spin_lock_init(&ha->tgt.q_full_lock);
2403 
2404 	/* Clear our data area */
2405 	ha->bars = bars;
2406 	ha->mem_only = mem_only;
2407 	spin_lock_init(&ha->hardware_lock);
2408 	spin_lock_init(&ha->vport_slock);
2409 	mutex_init(&ha->selflogin_lock);
2410 	mutex_init(&ha->optrom_mutex);
2411 
2412 	/* Set ISP-type information. */
2413 	qla2x00_set_isp_flags(ha);
2414 
2415 	/* Set EEH reset type to fundamental if required by hba */
2416 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2417 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2418 		pdev->needs_freset = 1;
2419 
2420 	ha->prev_topology = 0;
2421 	ha->init_cb_size = sizeof(init_cb_t);
2422 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2423 	ha->optrom_size = OPTROM_SIZE_2300;
2424 
2425 	/* Assign ISP specific operations. */
2426 	if (IS_QLA2100(ha)) {
2427 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2428 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2429 		req_length = REQUEST_ENTRY_CNT_2100;
2430 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2431 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2432 		ha->gid_list_info_size = 4;
2433 		ha->flash_conf_off = ~0;
2434 		ha->flash_data_off = ~0;
2435 		ha->nvram_conf_off = ~0;
2436 		ha->nvram_data_off = ~0;
2437 		ha->isp_ops = &qla2100_isp_ops;
2438 	} else if (IS_QLA2200(ha)) {
2439 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2440 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2441 		req_length = REQUEST_ENTRY_CNT_2200;
2442 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2443 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2444 		ha->gid_list_info_size = 4;
2445 		ha->flash_conf_off = ~0;
2446 		ha->flash_data_off = ~0;
2447 		ha->nvram_conf_off = ~0;
2448 		ha->nvram_data_off = ~0;
2449 		ha->isp_ops = &qla2100_isp_ops;
2450 	} else if (IS_QLA23XX(ha)) {
2451 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2452 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2453 		req_length = REQUEST_ENTRY_CNT_2200;
2454 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2455 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2456 		ha->gid_list_info_size = 6;
2457 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2458 			ha->optrom_size = OPTROM_SIZE_2322;
2459 		ha->flash_conf_off = ~0;
2460 		ha->flash_data_off = ~0;
2461 		ha->nvram_conf_off = ~0;
2462 		ha->nvram_data_off = ~0;
2463 		ha->isp_ops = &qla2300_isp_ops;
2464 	} else if (IS_QLA24XX_TYPE(ha)) {
2465 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2466 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2467 		req_length = REQUEST_ENTRY_CNT_24XX;
2468 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2469 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2470 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2471 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2472 		ha->gid_list_info_size = 8;
2473 		ha->optrom_size = OPTROM_SIZE_24XX;
2474 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2475 		ha->isp_ops = &qla24xx_isp_ops;
2476 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2477 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2478 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2479 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2480 	} else if (IS_QLA25XX(ha)) {
2481 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2482 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2483 		req_length = REQUEST_ENTRY_CNT_24XX;
2484 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2485 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2486 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2487 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2488 		ha->gid_list_info_size = 8;
2489 		ha->optrom_size = OPTROM_SIZE_25XX;
2490 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2491 		ha->isp_ops = &qla25xx_isp_ops;
2492 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2493 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2494 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2495 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2496 	} else if (IS_QLA81XX(ha)) {
2497 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2498 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2499 		req_length = REQUEST_ENTRY_CNT_24XX;
2500 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2501 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2502 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2503 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2504 		ha->gid_list_info_size = 8;
2505 		ha->optrom_size = OPTROM_SIZE_81XX;
2506 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2507 		ha->isp_ops = &qla81xx_isp_ops;
2508 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2509 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2510 		ha->nvram_conf_off = ~0;
2511 		ha->nvram_data_off = ~0;
2512 	} else if (IS_QLA82XX(ha)) {
2513 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2514 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2515 		req_length = REQUEST_ENTRY_CNT_82XX;
2516 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2517 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2518 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2519 		ha->gid_list_info_size = 8;
2520 		ha->optrom_size = OPTROM_SIZE_82XX;
2521 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2522 		ha->isp_ops = &qla82xx_isp_ops;
2523 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2524 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2525 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2526 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2527 	} else if (IS_QLA8044(ha)) {
2528 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2529 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2530 		req_length = REQUEST_ENTRY_CNT_82XX;
2531 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2532 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2533 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2534 		ha->gid_list_info_size = 8;
2535 		ha->optrom_size = OPTROM_SIZE_83XX;
2536 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2537 		ha->isp_ops = &qla8044_isp_ops;
2538 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2539 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2540 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2541 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2542 	} else if (IS_QLA83XX(ha)) {
2543 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2544 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2545 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2546 		req_length = REQUEST_ENTRY_CNT_83XX;
2547 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2548 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2549 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2550 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2551 		ha->gid_list_info_size = 8;
2552 		ha->optrom_size = OPTROM_SIZE_83XX;
2553 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2554 		ha->isp_ops = &qla83xx_isp_ops;
2555 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2556 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2557 		ha->nvram_conf_off = ~0;
2558 		ha->nvram_data_off = ~0;
2559 	}  else if (IS_QLAFX00(ha)) {
2560 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2561 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2562 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2563 		req_length = REQUEST_ENTRY_CNT_FX00;
2564 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
2565 		ha->isp_ops = &qlafx00_isp_ops;
2566 		ha->port_down_retry_count = 30; /* default value */
2567 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2568 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2569 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2570 		ha->mr.fw_hbt_en = 1;
2571 		ha->mr.host_info_resend = false;
2572 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2573 	} else if (IS_QLA27XX(ha)) {
2574 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2575 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2576 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2577 		req_length = REQUEST_ENTRY_CNT_24XX;
2578 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2579 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2580 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2581 		ha->gid_list_info_size = 8;
2582 		ha->optrom_size = OPTROM_SIZE_83XX;
2583 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2584 		ha->isp_ops = &qla27xx_isp_ops;
2585 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2586 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2587 		ha->nvram_conf_off = ~0;
2588 		ha->nvram_data_off = ~0;
2589 	}
2590 
2591 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2592 	    "mbx_count=%d, req_length=%d, "
2593 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2594 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2595 	    "max_fibre_devices=%d.\n",
2596 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2597 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2598 	    ha->nvram_npiv_size, ha->max_fibre_devices);
2599 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2600 	    "isp_ops=%p, flash_conf_off=%d, "
2601 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2602 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2603 	    ha->nvram_conf_off, ha->nvram_data_off);
2604 
2605 	/* Configure PCI I/O space */
2606 	ret = ha->isp_ops->iospace_config(ha);
2607 	if (ret)
2608 		goto iospace_config_failed;
2609 
2610 	ql_log_pci(ql_log_info, pdev, 0x001d,
2611 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
2612 	    pdev->device, pdev->irq, ha->iobase);
2613 	mutex_init(&ha->vport_lock);
2614 	init_completion(&ha->mbx_cmd_comp);
2615 	complete(&ha->mbx_cmd_comp);
2616 	init_completion(&ha->mbx_intr_comp);
2617 	init_completion(&ha->dcbx_comp);
2618 	init_completion(&ha->lb_portup_comp);
2619 
2620 	set_bit(0, (unsigned long *) ha->vp_idx_map);
2621 
2622 	qla2x00_config_dma_addressing(ha);
2623 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2624 	    "64 Bit addressing is %s.\n",
2625 	    ha->flags.enable_64bit_addressing ? "enable" :
2626 	    "disable");
2627 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2628 	if (ret) {
2629 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
2630 		    "Failed to allocate memory for adapter, aborting.\n");
2631 
2632 		goto probe_hw_failed;
2633 	}
2634 
2635 	req->max_q_depth = MAX_Q_DEPTH;
2636 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2637 		req->max_q_depth = ql2xmaxqdepth;
2638 
2639 
2640 	base_vha = qla2x00_create_host(sht, ha);
2641 	if (!base_vha) {
2642 		ret = -ENOMEM;
2643 		qla2x00_mem_free(ha);
2644 		qla2x00_free_req_que(ha, req);
2645 		qla2x00_free_rsp_que(ha, rsp);
2646 		goto probe_hw_failed;
2647 	}
2648 
2649 	pci_set_drvdata(pdev, base_vha);
2650 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2651 
2652 	host = base_vha->host;
2653 	base_vha->req = req;
2654 	if (IS_QLA2XXX_MIDTYPE(ha))
2655 		base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2656 	else
2657 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2658 						base_vha->vp_idx;
2659 
2660 	/* Setup fcport template structure. */
2661 	ha->mr.fcport.vha = base_vha;
2662 	ha->mr.fcport.port_type = FCT_UNKNOWN;
2663 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2664 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2665 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2666 	ha->mr.fcport.scan_state = 1;
2667 
2668 	/* Set the SG table size based on ISP type */
2669 	if (!IS_FWI2_CAPABLE(ha)) {
2670 		if (IS_QLA2100(ha))
2671 			host->sg_tablesize = 32;
2672 	} else {
2673 		if (!IS_QLA82XX(ha))
2674 			host->sg_tablesize = QLA_SG_ALL;
2675 	}
2676 	host->max_id = ha->max_fibre_devices;
2677 	host->cmd_per_lun = 3;
2678 	host->unique_id = host->host_no;
2679 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2680 		host->max_cmd_len = 32;
2681 	else
2682 		host->max_cmd_len = MAX_CMDSZ;
2683 	host->max_channel = MAX_BUSES - 1;
2684 	/* Older HBAs support only 16-bit LUNs */
2685 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2686 	    ql2xmaxlun > 0xffff)
2687 		host->max_lun = 0xffff;
2688 	else
2689 		host->max_lun = ql2xmaxlun;
2690 	host->transportt = qla2xxx_transport_template;
2691 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2692 
2693 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
2694 	    "max_id=%d this_id=%d "
2695 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2696 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2697 	    host->this_id, host->cmd_per_lun, host->unique_id,
2698 	    host->max_cmd_len, host->max_channel, host->max_lun,
2699 	    host->transportt, sht->vendor_id);
2700 
2701 que_init:
2702 	/* Alloc arrays of request and response ring ptrs */
2703 	if (!qla2x00_alloc_queues(ha, req, rsp)) {
2704 		ql_log(ql_log_fatal, base_vha, 0x003d,
2705 		    "Failed to allocate memory for queue pointers..."
2706 		    "aborting.\n");
2707 		goto probe_init_failed;
2708 	}
2709 
2710 	qlt_probe_one_stage1(base_vha, ha);
2711 
2712 	/* Set up the irqs */
2713 	ret = qla2x00_request_irqs(ha, rsp);
2714 	if (ret)
2715 		goto probe_init_failed;
2716 
2717 	pci_save_state(pdev);
2718 
2719 	/* Assign back pointers */
2720 	rsp->req = req;
2721 	req->rsp = rsp;
2722 
2723 	if (IS_QLAFX00(ha)) {
2724 		ha->rsp_q_map[0] = rsp;
2725 		ha->req_q_map[0] = req;
2726 		set_bit(0, ha->req_qid_map);
2727 		set_bit(0, ha->rsp_qid_map);
2728 	}
2729 
2730 	/* FWI2-capable only. */
2731 	req->req_q_in = &ha->iobase->isp24.req_q_in;
2732 	req->req_q_out = &ha->iobase->isp24.req_q_out;
2733 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2734 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2735 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2736 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2737 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2738 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2739 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2740 	}
2741 
2742 	if (IS_QLAFX00(ha)) {
2743 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2744 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2745 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2746 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2747 	}
2748 
2749 	if (IS_P3P_TYPE(ha)) {
2750 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2751 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2752 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2753 	}
2754 
2755 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2756 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2757 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2758 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2759 	    "req->req_q_in=%p req->req_q_out=%p "
2760 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2761 	    req->req_q_in, req->req_q_out,
2762 	    rsp->rsp_q_in, rsp->rsp_q_out);
2763 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
2764 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2765 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2766 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
2767 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2768 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2769 
2770 	if (ha->isp_ops->initialize_adapter(base_vha)) {
2771 		ql_log(ql_log_fatal, base_vha, 0x00d6,
2772 		    "Failed to initialize adapter - Adapter flags %x.\n",
2773 		    base_vha->device_flags);
2774 
2775 		if (IS_QLA82XX(ha)) {
2776 			qla82xx_idc_lock(ha);
2777 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2778 				QLA8XXX_DEV_FAILED);
2779 			qla82xx_idc_unlock(ha);
2780 			ql_log(ql_log_fatal, base_vha, 0x00d7,
2781 			    "HW State: FAILED.\n");
2782 		} else if (IS_QLA8044(ha)) {
2783 			qla8044_idc_lock(ha);
2784 			qla8044_wr_direct(base_vha,
2785 				QLA8044_CRB_DEV_STATE_INDEX,
2786 				QLA8XXX_DEV_FAILED);
2787 			qla8044_idc_unlock(ha);
2788 			ql_log(ql_log_fatal, base_vha, 0x0150,
2789 			    "HW State: FAILED.\n");
2790 		}
2791 
2792 		ret = -ENODEV;
2793 		goto probe_failed;
2794 	}
2795 
2796 	if (IS_QLAFX00(ha))
2797 		host->can_queue = QLAFX00_MAX_CANQUEUE;
2798 	else
2799 		host->can_queue = req->num_outstanding_cmds - 10;
2800 
2801 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
2802 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2803 	    host->can_queue, base_vha->req,
2804 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2805 
2806 	if (ha->mqenable) {
2807 		if (qla25xx_setup_mode(base_vha)) {
2808 			ql_log(ql_log_warn, base_vha, 0x00ec,
2809 			    "Failed to create queues, falling back to single queue mode.\n");
2810 			goto que_init;
2811 		}
2812 	}
2813 
2814 	if (ha->flags.running_gold_fw)
2815 		goto skip_dpc;
2816 
2817 	/*
2818 	 * Startup the kernel thread for this host adapter
2819 	 */
2820 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2821 	    "%s_dpc", base_vha->host_str);
2822 	if (IS_ERR(ha->dpc_thread)) {
2823 		ql_log(ql_log_fatal, base_vha, 0x00ed,
2824 		    "Failed to start DPC thread.\n");
2825 		ret = PTR_ERR(ha->dpc_thread);
2826 		goto probe_failed;
2827 	}
2828 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2829 	    "DPC thread started successfully.\n");
2830 
2831 	/*
2832 	 * If we're not coming up in initiator mode, we might sit for
2833 	 * a while without waking up the dpc thread, which leads to a
2834 	 * stuck process warning.  So just kick the dpc once here and
2835 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2836 	 */
2837 	qla2xxx_wake_dpc(base_vha);
2838 
2839 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2840 
2841 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2842 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2843 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2844 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2845 
2846 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2847 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2848 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2849 		INIT_WORK(&ha->idc_state_handler,
2850 		    qla83xx_idc_state_handler_work);
2851 		INIT_WORK(&ha->nic_core_unrecoverable,
2852 		    qla83xx_nic_core_unrecoverable_work);
2853 	}
2854 
2855 skip_dpc:
2856 	list_add_tail(&base_vha->list, &ha->vp_list);
2857 	base_vha->host->irq = ha->pdev->irq;
2858 
2859 	/* Initialized the timer */
2860 	qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2861 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2862 	    "Started qla2x00_timer with "
2863 	    "interval=%d.\n", WATCH_INTERVAL);
2864 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2865 	    "Detected hba at address=%p.\n",
2866 	    ha);
2867 
2868 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2869 		if (ha->fw_attributes & BIT_4) {
2870 			int prot = 0, guard;
2871 			base_vha->flags.difdix_supported = 1;
2872 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2873 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
2874 			if (ql2xenabledif == 1)
2875 				prot = SHOST_DIX_TYPE0_PROTECTION;
2876 			scsi_host_set_prot(host,
2877 			    prot | SHOST_DIF_TYPE1_PROTECTION
2878 			    | SHOST_DIF_TYPE2_PROTECTION
2879 			    | SHOST_DIF_TYPE3_PROTECTION
2880 			    | SHOST_DIX_TYPE1_PROTECTION
2881 			    | SHOST_DIX_TYPE2_PROTECTION
2882 			    | SHOST_DIX_TYPE3_PROTECTION);
2883 
2884 			guard = SHOST_DIX_GUARD_CRC;
2885 
2886 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2887 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2888 				guard |= SHOST_DIX_GUARD_IP;
2889 
2890 			scsi_host_set_guard(host, guard);
2891 		} else
2892 			base_vha->flags.difdix_supported = 0;
2893 	}
2894 
2895 	ha->isp_ops->enable_intrs(ha);
2896 
2897 	if (IS_QLAFX00(ha)) {
2898 		ret = qlafx00_fx_disc(base_vha,
2899 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2900 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2901 		    QLA_SG_ALL : 128;
2902 	}
2903 
2904 	ret = scsi_add_host(host, &pdev->dev);
2905 	if (ret)
2906 		goto probe_failed;
2907 
2908 	base_vha->flags.init_done = 1;
2909 	base_vha->flags.online = 1;
2910 	ha->prev_minidump_failed = 0;
2911 
2912 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2913 	    "Init done and hba is online.\n");
2914 
2915 	if (qla_ini_mode_enabled(base_vha))
2916 		scsi_scan_host(host);
2917 	else
2918 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
2919 			"skipping scsi_scan_host() for non-initiator port\n");
2920 
2921 	qla2x00_alloc_sysfs_attr(base_vha);
2922 
2923 	if (IS_QLAFX00(ha)) {
2924 		ret = qlafx00_fx_disc(base_vha,
2925 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2926 
2927 		/* Register system information */
2928 		ret =  qlafx00_fx_disc(base_vha,
2929 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2930 	}
2931 
2932 	qla2x00_init_host_attr(base_vha);
2933 
2934 	qla2x00_dfs_setup(base_vha);
2935 
2936 	ql_log(ql_log_info, base_vha, 0x00fb,
2937 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2938 	ql_log(ql_log_info, base_vha, 0x00fc,
2939 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2940 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2941 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2942 	    base_vha->host_no,
2943 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2944 
2945 	qlt_add_target(ha, base_vha);
2946 
2947 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2948 	return 0;
2949 
2950 probe_init_failed:
2951 	qla2x00_free_req_que(ha, req);
2952 	ha->req_q_map[0] = NULL;
2953 	clear_bit(0, ha->req_qid_map);
2954 	qla2x00_free_rsp_que(ha, rsp);
2955 	ha->rsp_q_map[0] = NULL;
2956 	clear_bit(0, ha->rsp_qid_map);
2957 	ha->max_req_queues = ha->max_rsp_queues = 0;
2958 
2959 probe_failed:
2960 	if (base_vha->timer_active)
2961 		qla2x00_stop_timer(base_vha);
2962 	base_vha->flags.online = 0;
2963 	if (ha->dpc_thread) {
2964 		struct task_struct *t = ha->dpc_thread;
2965 
2966 		ha->dpc_thread = NULL;
2967 		kthread_stop(t);
2968 	}
2969 
2970 	qla2x00_free_device(base_vha);
2971 
2972 	scsi_host_put(base_vha->host);
2973 
2974 probe_hw_failed:
2975 	qla2x00_clear_drv_active(ha);
2976 
2977 iospace_config_failed:
2978 	if (IS_P3P_TYPE(ha)) {
2979 		if (!ha->nx_pcibase)
2980 			iounmap((device_reg_t *)ha->nx_pcibase);
2981 		if (!ql2xdbwr)
2982 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2983 	} else {
2984 		if (ha->iobase)
2985 			iounmap(ha->iobase);
2986 		if (ha->cregbase)
2987 			iounmap(ha->cregbase);
2988 	}
2989 	pci_release_selected_regions(ha->pdev, ha->bars);
2990 	kfree(ha);
2991 	ha = NULL;
2992 
2993 probe_out:
2994 	pci_disable_device(pdev);
2995 	return ret;
2996 }
2997 
2998 static void
2999 qla2x00_shutdown(struct pci_dev *pdev)
3000 {
3001 	scsi_qla_host_t *vha;
3002 	struct qla_hw_data  *ha;
3003 
3004 	if (!atomic_read(&pdev->enable_cnt))
3005 		return;
3006 
3007 	vha = pci_get_drvdata(pdev);
3008 	ha = vha->hw;
3009 
3010 	/* Notify ISPFX00 firmware */
3011 	if (IS_QLAFX00(ha))
3012 		qlafx00_driver_shutdown(vha, 20);
3013 
3014 	/* Turn-off FCE trace */
3015 	if (ha->flags.fce_enabled) {
3016 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3017 		ha->flags.fce_enabled = 0;
3018 	}
3019 
3020 	/* Turn-off EFT trace */
3021 	if (ha->eft)
3022 		qla2x00_disable_eft_trace(vha);
3023 
3024 	/* Stop currently executing firmware. */
3025 	qla2x00_try_to_stop_firmware(vha);
3026 
3027 	/* Turn adapter off line */
3028 	vha->flags.online = 0;
3029 
3030 	/* turn-off interrupts on the card */
3031 	if (ha->interrupts_on) {
3032 		vha->flags.init_done = 0;
3033 		ha->isp_ops->disable_intrs(ha);
3034 	}
3035 
3036 	qla2x00_free_irqs(vha);
3037 
3038 	qla2x00_free_fw_dump(ha);
3039 
3040 	pci_disable_pcie_error_reporting(pdev);
3041 	pci_disable_device(pdev);
3042 }
3043 
3044 /* Deletes all the virtual ports for a given ha */
3045 static void
3046 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3047 {
3048 	struct Scsi_Host *scsi_host;
3049 	scsi_qla_host_t *vha;
3050 	unsigned long flags;
3051 
3052 	mutex_lock(&ha->vport_lock);
3053 	while (ha->cur_vport_count) {
3054 		spin_lock_irqsave(&ha->vport_slock, flags);
3055 
3056 		BUG_ON(base_vha->list.next == &ha->vp_list);
3057 		/* This assumes first entry in ha->vp_list is always base vha */
3058 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3059 		scsi_host = scsi_host_get(vha->host);
3060 
3061 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3062 		mutex_unlock(&ha->vport_lock);
3063 
3064 		fc_vport_terminate(vha->fc_vport);
3065 		scsi_host_put(vha->host);
3066 
3067 		mutex_lock(&ha->vport_lock);
3068 	}
3069 	mutex_unlock(&ha->vport_lock);
3070 }
3071 
3072 /* Stops all deferred work threads */
3073 static void
3074 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3075 {
3076 	/* Flush the work queue and remove it */
3077 	if (ha->wq) {
3078 		flush_workqueue(ha->wq);
3079 		destroy_workqueue(ha->wq);
3080 		ha->wq = NULL;
3081 	}
3082 
3083 	/* Cancel all work and destroy DPC workqueues */
3084 	if (ha->dpc_lp_wq) {
3085 		cancel_work_sync(&ha->idc_aen);
3086 		destroy_workqueue(ha->dpc_lp_wq);
3087 		ha->dpc_lp_wq = NULL;
3088 	}
3089 
3090 	if (ha->dpc_hp_wq) {
3091 		cancel_work_sync(&ha->nic_core_reset);
3092 		cancel_work_sync(&ha->idc_state_handler);
3093 		cancel_work_sync(&ha->nic_core_unrecoverable);
3094 		destroy_workqueue(ha->dpc_hp_wq);
3095 		ha->dpc_hp_wq = NULL;
3096 	}
3097 
3098 	/* Kill the kernel thread for this host */
3099 	if (ha->dpc_thread) {
3100 		struct task_struct *t = ha->dpc_thread;
3101 
3102 		/*
3103 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3104 		 * so we need to zero it out.
3105 		 */
3106 		ha->dpc_thread = NULL;
3107 		kthread_stop(t);
3108 	}
3109 }
3110 
3111 static void
3112 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3113 {
3114 	if (IS_QLA82XX(ha)) {
3115 
3116 		iounmap((device_reg_t *)ha->nx_pcibase);
3117 		if (!ql2xdbwr)
3118 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3119 	} else {
3120 		if (ha->iobase)
3121 			iounmap(ha->iobase);
3122 
3123 		if (ha->cregbase)
3124 			iounmap(ha->cregbase);
3125 
3126 		if (ha->mqiobase)
3127 			iounmap(ha->mqiobase);
3128 
3129 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3130 			iounmap(ha->msixbase);
3131 	}
3132 }
3133 
3134 static void
3135 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3136 {
3137 	if (IS_QLA8044(ha)) {
3138 		qla8044_idc_lock(ha);
3139 		qla8044_clear_drv_active(ha);
3140 		qla8044_idc_unlock(ha);
3141 	} else if (IS_QLA82XX(ha)) {
3142 		qla82xx_idc_lock(ha);
3143 		qla82xx_clear_drv_active(ha);
3144 		qla82xx_idc_unlock(ha);
3145 	}
3146 }
3147 
3148 static void
3149 qla2x00_remove_one(struct pci_dev *pdev)
3150 {
3151 	scsi_qla_host_t *base_vha;
3152 	struct qla_hw_data  *ha;
3153 
3154 	base_vha = pci_get_drvdata(pdev);
3155 	ha = base_vha->hw;
3156 
3157 	/* Indicate device removal to prevent future board_disable and wait
3158 	 * until any pending board_disable has completed. */
3159 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3160 	cancel_work_sync(&ha->board_disable);
3161 
3162 	/*
3163 	 * If the PCI device is disabled then there was a PCI-disconnect and
3164 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3165 	 * resources.
3166 	 */
3167 	if (!atomic_read(&pdev->enable_cnt)) {
3168 		scsi_host_put(base_vha->host);
3169 		kfree(ha);
3170 		pci_set_drvdata(pdev, NULL);
3171 		return;
3172 	}
3173 
3174 	qla2x00_wait_for_hba_ready(base_vha);
3175 
3176 	set_bit(UNLOADING, &base_vha->dpc_flags);
3177 
3178 	if (IS_QLAFX00(ha))
3179 		qlafx00_driver_shutdown(base_vha, 20);
3180 
3181 	qla2x00_delete_all_vps(ha, base_vha);
3182 
3183 	if (IS_QLA8031(ha)) {
3184 		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3185 		    "Clearing fcoe driver presence.\n");
3186 		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3187 			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3188 			    "Error while clearing DRV-Presence.\n");
3189 	}
3190 
3191 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3192 
3193 	qla2x00_dfs_remove(base_vha);
3194 
3195 	qla84xx_put_chip(base_vha);
3196 
3197 	/* Laser should be disabled only for ISP2031 */
3198 	if (IS_QLA2031(ha))
3199 		qla83xx_disable_laser(base_vha);
3200 
3201 	/* Disable timer */
3202 	if (base_vha->timer_active)
3203 		qla2x00_stop_timer(base_vha);
3204 
3205 	base_vha->flags.online = 0;
3206 
3207 	qla2x00_destroy_deferred_work(ha);
3208 
3209 	qlt_remove_target(ha, base_vha);
3210 
3211 	qla2x00_free_sysfs_attr(base_vha, true);
3212 
3213 	fc_remove_host(base_vha->host);
3214 
3215 	scsi_remove_host(base_vha->host);
3216 
3217 	qla2x00_free_device(base_vha);
3218 
3219 	qla2x00_clear_drv_active(ha);
3220 
3221 	scsi_host_put(base_vha->host);
3222 
3223 	qla2x00_unmap_iobases(ha);
3224 
3225 	pci_release_selected_regions(ha->pdev, ha->bars);
3226 	kfree(ha);
3227 	ha = NULL;
3228 
3229 	pci_disable_pcie_error_reporting(pdev);
3230 
3231 	pci_disable_device(pdev);
3232 }
3233 
3234 static void
3235 qla2x00_free_device(scsi_qla_host_t *vha)
3236 {
3237 	struct qla_hw_data *ha = vha->hw;
3238 
3239 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3240 
3241 	/* Disable timer */
3242 	if (vha->timer_active)
3243 		qla2x00_stop_timer(vha);
3244 
3245 	qla25xx_delete_queues(vha);
3246 
3247 	if (ha->flags.fce_enabled)
3248 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3249 
3250 	if (ha->eft)
3251 		qla2x00_disable_eft_trace(vha);
3252 
3253 	/* Stop currently executing firmware. */
3254 	qla2x00_try_to_stop_firmware(vha);
3255 
3256 	vha->flags.online = 0;
3257 
3258 	/* turn-off interrupts on the card */
3259 	if (ha->interrupts_on) {
3260 		vha->flags.init_done = 0;
3261 		ha->isp_ops->disable_intrs(ha);
3262 	}
3263 
3264 	qla2x00_free_irqs(vha);
3265 
3266 	qla2x00_free_fcports(vha);
3267 
3268 	qla2x00_mem_free(ha);
3269 
3270 	qla82xx_md_free(vha);
3271 
3272 	qla2x00_free_queues(ha);
3273 }
3274 
3275 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3276 {
3277 	fc_port_t *fcport, *tfcport;
3278 
3279 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3280 		list_del(&fcport->list);
3281 		qla2x00_clear_loop_id(fcport);
3282 		kfree(fcport);
3283 		fcport = NULL;
3284 	}
3285 }
3286 
3287 static inline void
3288 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3289     int defer)
3290 {
3291 	struct fc_rport *rport;
3292 	scsi_qla_host_t *base_vha;
3293 	unsigned long flags;
3294 
3295 	if (!fcport->rport)
3296 		return;
3297 
3298 	rport = fcport->rport;
3299 	if (defer) {
3300 		base_vha = pci_get_drvdata(vha->hw->pdev);
3301 		spin_lock_irqsave(vha->host->host_lock, flags);
3302 		fcport->drport = rport;
3303 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3304 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3305 		qla2xxx_wake_dpc(base_vha);
3306 	} else {
3307 		fc_remote_port_delete(rport);
3308 		qlt_fc_port_deleted(vha, fcport);
3309 	}
3310 }
3311 
3312 /*
3313  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3314  *
3315  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3316  *
3317  * Return: None.
3318  *
3319  * Context:
3320  */
3321 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3322     int do_login, int defer)
3323 {
3324 	if (IS_QLAFX00(vha->hw)) {
3325 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3326 		qla2x00_schedule_rport_del(vha, fcport, defer);
3327 		return;
3328 	}
3329 
3330 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3331 	    vha->vp_idx == fcport->vha->vp_idx) {
3332 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3333 		qla2x00_schedule_rport_del(vha, fcport, defer);
3334 	}
3335 	/*
3336 	 * We may need to retry the login, so don't change the state of the
3337 	 * port but do the retries.
3338 	 */
3339 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3340 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3341 
3342 	if (!do_login)
3343 		return;
3344 
3345 	if (fcport->login_retry == 0) {
3346 		fcport->login_retry = vha->hw->login_retry_count;
3347 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3348 
3349 		ql_dbg(ql_dbg_disc, vha, 0x2067,
3350 		    "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3351 		    fcport->port_name, fcport->loop_id, fcport->login_retry);
3352 	}
3353 }
3354 
3355 /*
3356  * qla2x00_mark_all_devices_lost
3357  *	Updates fcport state when device goes offline.
3358  *
3359  * Input:
3360  *	ha = adapter block pointer.
3361  *	fcport = port structure pointer.
3362  *
3363  * Return:
3364  *	None.
3365  *
3366  * Context:
3367  */
3368 void
3369 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3370 {
3371 	fc_port_t *fcport;
3372 
3373 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3374 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3375 			continue;
3376 
3377 		/*
3378 		 * No point in marking the device as lost, if the device is
3379 		 * already DEAD.
3380 		 */
3381 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3382 			continue;
3383 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3384 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3385 			if (defer)
3386 				qla2x00_schedule_rport_del(vha, fcport, defer);
3387 			else if (vha->vp_idx == fcport->vha->vp_idx)
3388 				qla2x00_schedule_rport_del(vha, fcport, defer);
3389 		}
3390 	}
3391 }
3392 
3393 /*
3394 * qla2x00_mem_alloc
3395 *      Allocates adapter memory.
3396 *
3397 * Returns:
3398 *      0  = success.
3399 *      !0  = failure.
3400 */
3401 static int
3402 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3403 	struct req_que **req, struct rsp_que **rsp)
3404 {
3405 	char	name[16];
3406 
3407 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3408 		&ha->init_cb_dma, GFP_KERNEL);
3409 	if (!ha->init_cb)
3410 		goto fail;
3411 
3412 	if (qlt_mem_alloc(ha) < 0)
3413 		goto fail_free_init_cb;
3414 
3415 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3416 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3417 	if (!ha->gid_list)
3418 		goto fail_free_tgt_mem;
3419 
3420 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3421 	if (!ha->srb_mempool)
3422 		goto fail_free_gid_list;
3423 
3424 	if (IS_P3P_TYPE(ha)) {
3425 		/* Allocate cache for CT6 Ctx. */
3426 		if (!ctx_cachep) {
3427 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3428 				sizeof(struct ct6_dsd), 0,
3429 				SLAB_HWCACHE_ALIGN, NULL);
3430 			if (!ctx_cachep)
3431 				goto fail_free_gid_list;
3432 		}
3433 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3434 			ctx_cachep);
3435 		if (!ha->ctx_mempool)
3436 			goto fail_free_srb_mempool;
3437 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3438 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3439 		    ctx_cachep, ha->ctx_mempool);
3440 	}
3441 
3442 	/* Get memory for cached NVRAM */
3443 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3444 	if (!ha->nvram)
3445 		goto fail_free_ctx_mempool;
3446 
3447 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3448 		ha->pdev->device);
3449 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3450 		DMA_POOL_SIZE, 8, 0);
3451 	if (!ha->s_dma_pool)
3452 		goto fail_free_nvram;
3453 
3454 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3455 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3456 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3457 
3458 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3459 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3460 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3461 		if (!ha->dl_dma_pool) {
3462 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3463 			    "Failed to allocate memory for dl_dma_pool.\n");
3464 			goto fail_s_dma_pool;
3465 		}
3466 
3467 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3468 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3469 		if (!ha->fcp_cmnd_dma_pool) {
3470 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3471 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3472 			goto fail_dl_dma_pool;
3473 		}
3474 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3475 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3476 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3477 	}
3478 
3479 	/* Allocate memory for SNS commands */
3480 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3481 	/* Get consistent memory allocated for SNS commands */
3482 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3483 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3484 		if (!ha->sns_cmd)
3485 			goto fail_dma_pool;
3486 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3487 		    "sns_cmd: %p.\n", ha->sns_cmd);
3488 	} else {
3489 	/* Get consistent memory allocated for MS IOCB */
3490 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3491 			&ha->ms_iocb_dma);
3492 		if (!ha->ms_iocb)
3493 			goto fail_dma_pool;
3494 	/* Get consistent memory allocated for CT SNS commands */
3495 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3496 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3497 		if (!ha->ct_sns)
3498 			goto fail_free_ms_iocb;
3499 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3500 		    "ms_iocb=%p ct_sns=%p.\n",
3501 		    ha->ms_iocb, ha->ct_sns);
3502 	}
3503 
3504 	/* Allocate memory for request ring */
3505 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3506 	if (!*req) {
3507 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3508 		    "Failed to allocate memory for req.\n");
3509 		goto fail_req;
3510 	}
3511 	(*req)->length = req_len;
3512 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3513 		((*req)->length + 1) * sizeof(request_t),
3514 		&(*req)->dma, GFP_KERNEL);
3515 	if (!(*req)->ring) {
3516 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3517 		    "Failed to allocate memory for req_ring.\n");
3518 		goto fail_req_ring;
3519 	}
3520 	/* Allocate memory for response ring */
3521 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3522 	if (!*rsp) {
3523 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3524 		    "Failed to allocate memory for rsp.\n");
3525 		goto fail_rsp;
3526 	}
3527 	(*rsp)->hw = ha;
3528 	(*rsp)->length = rsp_len;
3529 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3530 		((*rsp)->length + 1) * sizeof(response_t),
3531 		&(*rsp)->dma, GFP_KERNEL);
3532 	if (!(*rsp)->ring) {
3533 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3534 		    "Failed to allocate memory for rsp_ring.\n");
3535 		goto fail_rsp_ring;
3536 	}
3537 	(*req)->rsp = *rsp;
3538 	(*rsp)->req = *req;
3539 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3540 	    "req=%p req->length=%d req->ring=%p rsp=%p "
3541 	    "rsp->length=%d rsp->ring=%p.\n",
3542 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3543 	    (*rsp)->ring);
3544 	/* Allocate memory for NVRAM data for vports */
3545 	if (ha->nvram_npiv_size) {
3546 		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3547 		    ha->nvram_npiv_size, GFP_KERNEL);
3548 		if (!ha->npiv_info) {
3549 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3550 			    "Failed to allocate memory for npiv_info.\n");
3551 			goto fail_npiv_info;
3552 		}
3553 	} else
3554 		ha->npiv_info = NULL;
3555 
3556 	/* Get consistent memory allocated for EX-INIT-CB. */
3557 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3558 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3559 		    &ha->ex_init_cb_dma);
3560 		if (!ha->ex_init_cb)
3561 			goto fail_ex_init_cb;
3562 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3563 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
3564 	}
3565 
3566 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
3567 
3568 	/* Get consistent memory allocated for Async Port-Database. */
3569 	if (!IS_FWI2_CAPABLE(ha)) {
3570 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3571 			&ha->async_pd_dma);
3572 		if (!ha->async_pd)
3573 			goto fail_async_pd;
3574 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3575 		    "async_pd=%p.\n", ha->async_pd);
3576 	}
3577 
3578 	INIT_LIST_HEAD(&ha->vp_list);
3579 
3580 	/* Allocate memory for our loop_id bitmap */
3581 	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3582 	    GFP_KERNEL);
3583 	if (!ha->loop_id_map)
3584 		goto fail_async_pd;
3585 	else {
3586 		qla2x00_set_reserved_loop_ids(ha);
3587 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3588 		    "loop_id_map=%p.\n", ha->loop_id_map);
3589 	}
3590 
3591 	return 0;
3592 
3593 fail_async_pd:
3594 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3595 fail_ex_init_cb:
3596 	kfree(ha->npiv_info);
3597 fail_npiv_info:
3598 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3599 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3600 	(*rsp)->ring = NULL;
3601 	(*rsp)->dma = 0;
3602 fail_rsp_ring:
3603 	kfree(*rsp);
3604 fail_rsp:
3605 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3606 		sizeof(request_t), (*req)->ring, (*req)->dma);
3607 	(*req)->ring = NULL;
3608 	(*req)->dma = 0;
3609 fail_req_ring:
3610 	kfree(*req);
3611 fail_req:
3612 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3613 		ha->ct_sns, ha->ct_sns_dma);
3614 	ha->ct_sns = NULL;
3615 	ha->ct_sns_dma = 0;
3616 fail_free_ms_iocb:
3617 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3618 	ha->ms_iocb = NULL;
3619 	ha->ms_iocb_dma = 0;
3620 fail_dma_pool:
3621 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3622 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3623 		ha->fcp_cmnd_dma_pool = NULL;
3624 	}
3625 fail_dl_dma_pool:
3626 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3627 		dma_pool_destroy(ha->dl_dma_pool);
3628 		ha->dl_dma_pool = NULL;
3629 	}
3630 fail_s_dma_pool:
3631 	dma_pool_destroy(ha->s_dma_pool);
3632 	ha->s_dma_pool = NULL;
3633 fail_free_nvram:
3634 	kfree(ha->nvram);
3635 	ha->nvram = NULL;
3636 fail_free_ctx_mempool:
3637 	mempool_destroy(ha->ctx_mempool);
3638 	ha->ctx_mempool = NULL;
3639 fail_free_srb_mempool:
3640 	mempool_destroy(ha->srb_mempool);
3641 	ha->srb_mempool = NULL;
3642 fail_free_gid_list:
3643 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3644 	ha->gid_list,
3645 	ha->gid_list_dma);
3646 	ha->gid_list = NULL;
3647 	ha->gid_list_dma = 0;
3648 fail_free_tgt_mem:
3649 	qlt_mem_free(ha);
3650 fail_free_init_cb:
3651 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3652 	ha->init_cb_dma);
3653 	ha->init_cb = NULL;
3654 	ha->init_cb_dma = 0;
3655 fail:
3656 	ql_log(ql_log_fatal, NULL, 0x0030,
3657 	    "Memory allocation failure.\n");
3658 	return -ENOMEM;
3659 }
3660 
3661 /*
3662 * qla2x00_free_fw_dump
3663 *	Frees fw dump stuff.
3664 *
3665 * Input:
3666 *	ha = adapter block pointer
3667 */
3668 static void
3669 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3670 {
3671 	if (ha->fce)
3672 		dma_free_coherent(&ha->pdev->dev,
3673 		    FCE_SIZE, ha->fce, ha->fce_dma);
3674 
3675 	if (ha->eft)
3676 		dma_free_coherent(&ha->pdev->dev,
3677 		    EFT_SIZE, ha->eft, ha->eft_dma);
3678 
3679 	if (ha->fw_dump)
3680 		vfree(ha->fw_dump);
3681 	if (ha->fw_dump_template)
3682 		vfree(ha->fw_dump_template);
3683 
3684 	ha->fce = NULL;
3685 	ha->fce_dma = 0;
3686 	ha->eft = NULL;
3687 	ha->eft_dma = 0;
3688 	ha->fw_dumped = 0;
3689 	ha->fw_dump_cap_flags = 0;
3690 	ha->fw_dump_reading = 0;
3691 	ha->fw_dump = NULL;
3692 	ha->fw_dump_len = 0;
3693 	ha->fw_dump_template = NULL;
3694 	ha->fw_dump_template_len = 0;
3695 }
3696 
3697 /*
3698 * qla2x00_mem_free
3699 *      Frees all adapter allocated memory.
3700 *
3701 * Input:
3702 *      ha = adapter block pointer.
3703 */
3704 static void
3705 qla2x00_mem_free(struct qla_hw_data *ha)
3706 {
3707 	qla2x00_free_fw_dump(ha);
3708 
3709 	if (ha->mctp_dump)
3710 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3711 		    ha->mctp_dump_dma);
3712 
3713 	if (ha->srb_mempool)
3714 		mempool_destroy(ha->srb_mempool);
3715 
3716 	if (ha->dcbx_tlv)
3717 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3718 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
3719 
3720 	if (ha->xgmac_data)
3721 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3722 		    ha->xgmac_data, ha->xgmac_data_dma);
3723 
3724 	if (ha->sns_cmd)
3725 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3726 		ha->sns_cmd, ha->sns_cmd_dma);
3727 
3728 	if (ha->ct_sns)
3729 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3730 		ha->ct_sns, ha->ct_sns_dma);
3731 
3732 	if (ha->sfp_data)
3733 		dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3734 
3735 	if (ha->ms_iocb)
3736 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3737 
3738 	if (ha->ex_init_cb)
3739 		dma_pool_free(ha->s_dma_pool,
3740 			ha->ex_init_cb, ha->ex_init_cb_dma);
3741 
3742 	if (ha->async_pd)
3743 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3744 
3745 	if (ha->s_dma_pool)
3746 		dma_pool_destroy(ha->s_dma_pool);
3747 
3748 	if (ha->gid_list)
3749 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3750 		ha->gid_list, ha->gid_list_dma);
3751 
3752 	if (IS_QLA82XX(ha)) {
3753 		if (!list_empty(&ha->gbl_dsd_list)) {
3754 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
3755 
3756 			/* clean up allocated prev pool */
3757 			list_for_each_entry_safe(dsd_ptr,
3758 				tdsd_ptr, &ha->gbl_dsd_list, list) {
3759 				dma_pool_free(ha->dl_dma_pool,
3760 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3761 				list_del(&dsd_ptr->list);
3762 				kfree(dsd_ptr);
3763 			}
3764 		}
3765 	}
3766 
3767 	if (ha->dl_dma_pool)
3768 		dma_pool_destroy(ha->dl_dma_pool);
3769 
3770 	if (ha->fcp_cmnd_dma_pool)
3771 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3772 
3773 	if (ha->ctx_mempool)
3774 		mempool_destroy(ha->ctx_mempool);
3775 
3776 	qlt_mem_free(ha);
3777 
3778 	if (ha->init_cb)
3779 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3780 			ha->init_cb, ha->init_cb_dma);
3781 	vfree(ha->optrom_buffer);
3782 	kfree(ha->nvram);
3783 	kfree(ha->npiv_info);
3784 	kfree(ha->swl);
3785 	kfree(ha->loop_id_map);
3786 
3787 	ha->srb_mempool = NULL;
3788 	ha->ctx_mempool = NULL;
3789 	ha->sns_cmd = NULL;
3790 	ha->sns_cmd_dma = 0;
3791 	ha->ct_sns = NULL;
3792 	ha->ct_sns_dma = 0;
3793 	ha->ms_iocb = NULL;
3794 	ha->ms_iocb_dma = 0;
3795 	ha->init_cb = NULL;
3796 	ha->init_cb_dma = 0;
3797 	ha->ex_init_cb = NULL;
3798 	ha->ex_init_cb_dma = 0;
3799 	ha->async_pd = NULL;
3800 	ha->async_pd_dma = 0;
3801 
3802 	ha->s_dma_pool = NULL;
3803 	ha->dl_dma_pool = NULL;
3804 	ha->fcp_cmnd_dma_pool = NULL;
3805 
3806 	ha->gid_list = NULL;
3807 	ha->gid_list_dma = 0;
3808 
3809 	ha->tgt.atio_ring = NULL;
3810 	ha->tgt.atio_dma = 0;
3811 	ha->tgt.tgt_vp_map = NULL;
3812 }
3813 
3814 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3815 						struct qla_hw_data *ha)
3816 {
3817 	struct Scsi_Host *host;
3818 	struct scsi_qla_host *vha = NULL;
3819 
3820 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3821 	if (host == NULL) {
3822 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3823 		    "Failed to allocate host from the scsi layer, aborting.\n");
3824 		goto fail;
3825 	}
3826 
3827 	/* Clear our data area */
3828 	vha = shost_priv(host);
3829 	memset(vha, 0, sizeof(scsi_qla_host_t));
3830 
3831 	vha->host = host;
3832 	vha->host_no = host->host_no;
3833 	vha->hw = ha;
3834 
3835 	INIT_LIST_HEAD(&vha->vp_fcports);
3836 	INIT_LIST_HEAD(&vha->work_list);
3837 	INIT_LIST_HEAD(&vha->list);
3838 
3839 	spin_lock_init(&vha->work_lock);
3840 
3841 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3842 	ql_dbg(ql_dbg_init, vha, 0x0041,
3843 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3844 	    vha->host, vha->hw, vha,
3845 	    dev_name(&(ha->pdev->dev)));
3846 
3847 	return vha;
3848 
3849 fail:
3850 	return vha;
3851 }
3852 
3853 static struct qla_work_evt *
3854 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3855 {
3856 	struct qla_work_evt *e;
3857 	uint8_t bail;
3858 
3859 	QLA_VHA_MARK_BUSY(vha, bail);
3860 	if (bail)
3861 		return NULL;
3862 
3863 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3864 	if (!e) {
3865 		QLA_VHA_MARK_NOT_BUSY(vha);
3866 		return NULL;
3867 	}
3868 
3869 	INIT_LIST_HEAD(&e->list);
3870 	e->type = type;
3871 	e->flags = QLA_EVT_FLAG_FREE;
3872 	return e;
3873 }
3874 
3875 static int
3876 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3877 {
3878 	unsigned long flags;
3879 
3880 	spin_lock_irqsave(&vha->work_lock, flags);
3881 	list_add_tail(&e->list, &vha->work_list);
3882 	spin_unlock_irqrestore(&vha->work_lock, flags);
3883 	qla2xxx_wake_dpc(vha);
3884 
3885 	return QLA_SUCCESS;
3886 }
3887 
3888 int
3889 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3890     u32 data)
3891 {
3892 	struct qla_work_evt *e;
3893 
3894 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3895 	if (!e)
3896 		return QLA_FUNCTION_FAILED;
3897 
3898 	e->u.aen.code = code;
3899 	e->u.aen.data = data;
3900 	return qla2x00_post_work(vha, e);
3901 }
3902 
3903 int
3904 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3905 {
3906 	struct qla_work_evt *e;
3907 
3908 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3909 	if (!e)
3910 		return QLA_FUNCTION_FAILED;
3911 
3912 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3913 	return qla2x00_post_work(vha, e);
3914 }
3915 
3916 #define qla2x00_post_async_work(name, type)	\
3917 int qla2x00_post_async_##name##_work(		\
3918     struct scsi_qla_host *vha,			\
3919     fc_port_t *fcport, uint16_t *data)		\
3920 {						\
3921 	struct qla_work_evt *e;			\
3922 						\
3923 	e = qla2x00_alloc_work(vha, type);	\
3924 	if (!e)					\
3925 		return QLA_FUNCTION_FAILED;	\
3926 						\
3927 	e->u.logio.fcport = fcport;		\
3928 	if (data) {				\
3929 		e->u.logio.data[0] = data[0];	\
3930 		e->u.logio.data[1] = data[1];	\
3931 	}					\
3932 	return qla2x00_post_work(vha, e);	\
3933 }
3934 
3935 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3936 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3937 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3938 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3939 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3940 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3941 
3942 int
3943 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3944 {
3945 	struct qla_work_evt *e;
3946 
3947 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3948 	if (!e)
3949 		return QLA_FUNCTION_FAILED;
3950 
3951 	e->u.uevent.code = code;
3952 	return qla2x00_post_work(vha, e);
3953 }
3954 
3955 static void
3956 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3957 {
3958 	char event_string[40];
3959 	char *envp[] = { event_string, NULL };
3960 
3961 	switch (code) {
3962 	case QLA_UEVENT_CODE_FW_DUMP:
3963 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3964 		    vha->host_no);
3965 		break;
3966 	default:
3967 		/* do nothing */
3968 		break;
3969 	}
3970 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3971 }
3972 
3973 int
3974 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
3975 			uint32_t *data, int cnt)
3976 {
3977 	struct qla_work_evt *e;
3978 
3979 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
3980 	if (!e)
3981 		return QLA_FUNCTION_FAILED;
3982 
3983 	e->u.aenfx.evtcode = evtcode;
3984 	e->u.aenfx.count = cnt;
3985 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
3986 	return qla2x00_post_work(vha, e);
3987 }
3988 
3989 void
3990 qla2x00_do_work(struct scsi_qla_host *vha)
3991 {
3992 	struct qla_work_evt *e, *tmp;
3993 	unsigned long flags;
3994 	LIST_HEAD(work);
3995 
3996 	spin_lock_irqsave(&vha->work_lock, flags);
3997 	list_splice_init(&vha->work_list, &work);
3998 	spin_unlock_irqrestore(&vha->work_lock, flags);
3999 
4000 	list_for_each_entry_safe(e, tmp, &work, list) {
4001 		list_del_init(&e->list);
4002 
4003 		switch (e->type) {
4004 		case QLA_EVT_AEN:
4005 			fc_host_post_event(vha->host, fc_get_event_number(),
4006 			    e->u.aen.code, e->u.aen.data);
4007 			break;
4008 		case QLA_EVT_IDC_ACK:
4009 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4010 			break;
4011 		case QLA_EVT_ASYNC_LOGIN:
4012 			qla2x00_async_login(vha, e->u.logio.fcport,
4013 			    e->u.logio.data);
4014 			break;
4015 		case QLA_EVT_ASYNC_LOGIN_DONE:
4016 			qla2x00_async_login_done(vha, e->u.logio.fcport,
4017 			    e->u.logio.data);
4018 			break;
4019 		case QLA_EVT_ASYNC_LOGOUT:
4020 			qla2x00_async_logout(vha, e->u.logio.fcport);
4021 			break;
4022 		case QLA_EVT_ASYNC_LOGOUT_DONE:
4023 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
4024 			    e->u.logio.data);
4025 			break;
4026 		case QLA_EVT_ASYNC_ADISC:
4027 			qla2x00_async_adisc(vha, e->u.logio.fcport,
4028 			    e->u.logio.data);
4029 			break;
4030 		case QLA_EVT_ASYNC_ADISC_DONE:
4031 			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4032 			    e->u.logio.data);
4033 			break;
4034 		case QLA_EVT_UEVENT:
4035 			qla2x00_uevent_emit(vha, e->u.uevent.code);
4036 			break;
4037 		case QLA_EVT_AENFX:
4038 			qlafx00_process_aen(vha, e);
4039 			break;
4040 		}
4041 		if (e->flags & QLA_EVT_FLAG_FREE)
4042 			kfree(e);
4043 
4044 		/* For each work completed decrement vha ref count */
4045 		QLA_VHA_MARK_NOT_BUSY(vha);
4046 	}
4047 }
4048 
4049 /* Relogins all the fcports of a vport
4050  * Context: dpc thread
4051  */
4052 void qla2x00_relogin(struct scsi_qla_host *vha)
4053 {
4054 	fc_port_t       *fcport;
4055 	int status;
4056 	uint16_t        next_loopid = 0;
4057 	struct qla_hw_data *ha = vha->hw;
4058 	uint16_t data[2];
4059 
4060 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4061 	/*
4062 	 * If the port is not ONLINE then try to login
4063 	 * to it if we haven't run out of retries.
4064 	 */
4065 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
4066 		    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4067 			fcport->login_retry--;
4068 			if (fcport->flags & FCF_FABRIC_DEVICE) {
4069 				if (fcport->flags & FCF_FCP2_DEVICE)
4070 					ha->isp_ops->fabric_logout(vha,
4071 							fcport->loop_id,
4072 							fcport->d_id.b.domain,
4073 							fcport->d_id.b.area,
4074 							fcport->d_id.b.al_pa);
4075 
4076 				if (fcport->loop_id == FC_NO_LOOP_ID) {
4077 					fcport->loop_id = next_loopid =
4078 					    ha->min_external_loopid;
4079 					status = qla2x00_find_new_loop_id(
4080 					    vha, fcport);
4081 					if (status != QLA_SUCCESS) {
4082 						/* Ran out of IDs to use */
4083 						break;
4084 					}
4085 				}
4086 
4087 				if (IS_ALOGIO_CAPABLE(ha)) {
4088 					fcport->flags |= FCF_ASYNC_SENT;
4089 					data[0] = 0;
4090 					data[1] = QLA_LOGIO_LOGIN_RETRIED;
4091 					status = qla2x00_post_async_login_work(
4092 					    vha, fcport, data);
4093 					if (status == QLA_SUCCESS)
4094 						continue;
4095 					/* Attempt a retry. */
4096 					status = 1;
4097 				} else {
4098 					status = qla2x00_fabric_login(vha,
4099 					    fcport, &next_loopid);
4100 					if (status ==  QLA_SUCCESS) {
4101 						int status2;
4102 						uint8_t opts;
4103 
4104 						opts = 0;
4105 						if (fcport->flags &
4106 						    FCF_FCP2_DEVICE)
4107 							opts |= BIT_1;
4108 						status2 =
4109 						    qla2x00_get_port_database(
4110 							vha, fcport, opts);
4111 						if (status2 != QLA_SUCCESS)
4112 							status = 1;
4113 					}
4114 				}
4115 			} else
4116 				status = qla2x00_local_device_login(vha,
4117 								fcport);
4118 
4119 			if (status == QLA_SUCCESS) {
4120 				fcport->old_loop_id = fcport->loop_id;
4121 
4122 				ql_dbg(ql_dbg_disc, vha, 0x2003,
4123 				    "Port login OK: logged in ID 0x%x.\n",
4124 				    fcport->loop_id);
4125 
4126 				qla2x00_update_fcport(vha, fcport);
4127 
4128 			} else if (status == 1) {
4129 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4130 				/* retry the login again */
4131 				ql_dbg(ql_dbg_disc, vha, 0x2007,
4132 				    "Retrying %d login again loop_id 0x%x.\n",
4133 				    fcport->login_retry, fcport->loop_id);
4134 			} else {
4135 				fcport->login_retry = 0;
4136 			}
4137 
4138 			if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4139 				qla2x00_clear_loop_id(fcport);
4140 		}
4141 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4142 			break;
4143 	}
4144 }
4145 
4146 /* Schedule work on any of the dpc-workqueues */
4147 void
4148 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4149 {
4150 	struct qla_hw_data *ha = base_vha->hw;
4151 
4152 	switch (work_code) {
4153 	case MBA_IDC_AEN: /* 0x8200 */
4154 		if (ha->dpc_lp_wq)
4155 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4156 		break;
4157 
4158 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4159 		if (!ha->flags.nic_core_reset_hdlr_active) {
4160 			if (ha->dpc_hp_wq)
4161 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4162 		} else
4163 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4164 			    "NIC Core reset is already active. Skip "
4165 			    "scheduling it again.\n");
4166 		break;
4167 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4168 		if (ha->dpc_hp_wq)
4169 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4170 		break;
4171 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4172 		if (ha->dpc_hp_wq)
4173 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4174 		break;
4175 	default:
4176 		ql_log(ql_log_warn, base_vha, 0xb05f,
4177 		    "Unknow work-code=0x%x.\n", work_code);
4178 	}
4179 
4180 	return;
4181 }
4182 
4183 /* Work: Perform NIC Core Unrecoverable state handling */
4184 void
4185 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4186 {
4187 	struct qla_hw_data *ha =
4188 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4189 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4190 	uint32_t dev_state = 0;
4191 
4192 	qla83xx_idc_lock(base_vha, 0);
4193 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4194 	qla83xx_reset_ownership(base_vha);
4195 	if (ha->flags.nic_core_reset_owner) {
4196 		ha->flags.nic_core_reset_owner = 0;
4197 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4198 		    QLA8XXX_DEV_FAILED);
4199 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4200 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4201 	}
4202 	qla83xx_idc_unlock(base_vha, 0);
4203 }
4204 
4205 /* Work: Execute IDC state handler */
4206 void
4207 qla83xx_idc_state_handler_work(struct work_struct *work)
4208 {
4209 	struct qla_hw_data *ha =
4210 		container_of(work, struct qla_hw_data, idc_state_handler);
4211 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4212 	uint32_t dev_state = 0;
4213 
4214 	qla83xx_idc_lock(base_vha, 0);
4215 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4216 	if (dev_state == QLA8XXX_DEV_FAILED ||
4217 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4218 		qla83xx_idc_state_handler(base_vha);
4219 	qla83xx_idc_unlock(base_vha, 0);
4220 }
4221 
4222 static int
4223 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4224 {
4225 	int rval = QLA_SUCCESS;
4226 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
4227 	uint32_t heart_beat_counter1, heart_beat_counter2;
4228 
4229 	do {
4230 		if (time_after(jiffies, heart_beat_wait)) {
4231 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4232 			    "Nic Core f/w is not alive.\n");
4233 			rval = QLA_FUNCTION_FAILED;
4234 			break;
4235 		}
4236 
4237 		qla83xx_idc_lock(base_vha, 0);
4238 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4239 		    &heart_beat_counter1);
4240 		qla83xx_idc_unlock(base_vha, 0);
4241 		msleep(100);
4242 		qla83xx_idc_lock(base_vha, 0);
4243 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4244 		    &heart_beat_counter2);
4245 		qla83xx_idc_unlock(base_vha, 0);
4246 	} while (heart_beat_counter1 == heart_beat_counter2);
4247 
4248 	return rval;
4249 }
4250 
4251 /* Work: Perform NIC Core Reset handling */
4252 void
4253 qla83xx_nic_core_reset_work(struct work_struct *work)
4254 {
4255 	struct qla_hw_data *ha =
4256 		container_of(work, struct qla_hw_data, nic_core_reset);
4257 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4258 	uint32_t dev_state = 0;
4259 
4260 	if (IS_QLA2031(ha)) {
4261 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4262 			ql_log(ql_log_warn, base_vha, 0xb081,
4263 			    "Failed to dump mctp\n");
4264 		return;
4265 	}
4266 
4267 	if (!ha->flags.nic_core_reset_hdlr_active) {
4268 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4269 			qla83xx_idc_lock(base_vha, 0);
4270 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4271 			    &dev_state);
4272 			qla83xx_idc_unlock(base_vha, 0);
4273 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4274 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4275 				    "Nic Core f/w is alive.\n");
4276 				return;
4277 			}
4278 		}
4279 
4280 		ha->flags.nic_core_reset_hdlr_active = 1;
4281 		if (qla83xx_nic_core_reset(base_vha)) {
4282 			/* NIC Core reset failed. */
4283 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4284 			    "NIC Core reset failed.\n");
4285 		}
4286 		ha->flags.nic_core_reset_hdlr_active = 0;
4287 	}
4288 }
4289 
4290 /* Work: Handle 8200 IDC aens */
4291 void
4292 qla83xx_service_idc_aen(struct work_struct *work)
4293 {
4294 	struct qla_hw_data *ha =
4295 		container_of(work, struct qla_hw_data, idc_aen);
4296 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4297 	uint32_t dev_state, idc_control;
4298 
4299 	qla83xx_idc_lock(base_vha, 0);
4300 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4301 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4302 	qla83xx_idc_unlock(base_vha, 0);
4303 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4304 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4305 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4306 			    "Application requested NIC Core Reset.\n");
4307 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4308 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4309 		    QLA_SUCCESS) {
4310 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4311 			    "Other protocol driver requested NIC Core Reset.\n");
4312 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4313 		}
4314 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
4315 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4316 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4317 	}
4318 }
4319 
4320 static void
4321 qla83xx_wait_logic(void)
4322 {
4323 	int i;
4324 
4325 	/* Yield CPU */
4326 	if (!in_interrupt()) {
4327 		/*
4328 		 * Wait about 200ms before retrying again.
4329 		 * This controls the number of retries for single
4330 		 * lock operation.
4331 		 */
4332 		msleep(100);
4333 		schedule();
4334 	} else {
4335 		for (i = 0; i < 20; i++)
4336 			cpu_relax(); /* This a nop instr on i386 */
4337 	}
4338 }
4339 
4340 static int
4341 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4342 {
4343 	int rval;
4344 	uint32_t data;
4345 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
4346 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4347 	struct qla_hw_data *ha = base_vha->hw;
4348 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4349 	    "Trying force recovery of the IDC lock.\n");
4350 
4351 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4352 	if (rval)
4353 		return rval;
4354 
4355 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
4356 		return QLA_SUCCESS;
4357 	} else {
4358 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4359 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4360 		    data);
4361 		if (rval)
4362 			return rval;
4363 
4364 		msleep(200);
4365 
4366 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4367 		    &data);
4368 		if (rval)
4369 			return rval;
4370 
4371 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4372 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
4373 					~(idc_lck_rcvry_stage_mask));
4374 			rval = qla83xx_wr_reg(base_vha,
4375 			    QLA83XX_IDC_LOCK_RECOVERY, data);
4376 			if (rval)
4377 				return rval;
4378 
4379 			/* Forcefully perform IDC UnLock */
4380 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4381 			    &data);
4382 			if (rval)
4383 				return rval;
4384 			/* Clear lock-id by setting 0xff */
4385 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4386 			    0xff);
4387 			if (rval)
4388 				return rval;
4389 			/* Clear lock-recovery by setting 0x0 */
4390 			rval = qla83xx_wr_reg(base_vha,
4391 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4392 			if (rval)
4393 				return rval;
4394 		} else
4395 			return QLA_SUCCESS;
4396 	}
4397 
4398 	return rval;
4399 }
4400 
4401 static int
4402 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4403 {
4404 	int rval = QLA_SUCCESS;
4405 	uint32_t o_drv_lockid, n_drv_lockid;
4406 	unsigned long lock_recovery_timeout;
4407 
4408 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4409 retry_lockid:
4410 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4411 	if (rval)
4412 		goto exit;
4413 
4414 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
4415 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
4416 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4417 			return QLA_SUCCESS;
4418 		else
4419 			return QLA_FUNCTION_FAILED;
4420 	}
4421 
4422 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4423 	if (rval)
4424 		goto exit;
4425 
4426 	if (o_drv_lockid == n_drv_lockid) {
4427 		qla83xx_wait_logic();
4428 		goto retry_lockid;
4429 	} else
4430 		return QLA_SUCCESS;
4431 
4432 exit:
4433 	return rval;
4434 }
4435 
4436 void
4437 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4438 {
4439 	uint16_t options = (requester_id << 15) | BIT_6;
4440 	uint32_t data;
4441 	uint32_t lock_owner;
4442 	struct qla_hw_data *ha = base_vha->hw;
4443 
4444 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
4445 retry_lock:
4446 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4447 	    == QLA_SUCCESS) {
4448 		if (data) {
4449 			/* Setting lock-id to our function-number */
4450 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4451 			    ha->portnum);
4452 		} else {
4453 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4454 			    &lock_owner);
4455 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4456 			    "Failed to acquire IDC lock, acquired by %d, "
4457 			    "retrying...\n", lock_owner);
4458 
4459 			/* Retry/Perform IDC-Lock recovery */
4460 			if (qla83xx_idc_lock_recovery(base_vha)
4461 			    == QLA_SUCCESS) {
4462 				qla83xx_wait_logic();
4463 				goto retry_lock;
4464 			} else
4465 				ql_log(ql_log_warn, base_vha, 0xb075,
4466 				    "IDC Lock recovery FAILED.\n");
4467 		}
4468 
4469 	}
4470 
4471 	return;
4472 
4473 	/* XXX: IDC-lock implementation using access-control mbx */
4474 retry_lock2:
4475 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4476 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4477 		    "Failed to acquire IDC lock. retrying...\n");
4478 		/* Retry/Perform IDC-Lock recovery */
4479 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4480 			qla83xx_wait_logic();
4481 			goto retry_lock2;
4482 		} else
4483 			ql_log(ql_log_warn, base_vha, 0xb076,
4484 			    "IDC Lock recovery FAILED.\n");
4485 	}
4486 
4487 	return;
4488 }
4489 
4490 void
4491 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4492 {
4493 	uint16_t options = (requester_id << 15) | BIT_7, retry;
4494 	uint32_t data;
4495 	struct qla_hw_data *ha = base_vha->hw;
4496 
4497 	/* IDC-unlock implementation using driver-unlock/lock-id
4498 	 * remote registers
4499 	 */
4500 	retry = 0;
4501 retry_unlock:
4502 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4503 	    == QLA_SUCCESS) {
4504 		if (data == ha->portnum) {
4505 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4506 			/* Clearing lock-id by setting 0xff */
4507 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4508 		} else if (retry < 10) {
4509 			/* SV: XXX: IDC unlock retrying needed here? */
4510 
4511 			/* Retry for IDC-unlock */
4512 			qla83xx_wait_logic();
4513 			retry++;
4514 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4515 			    "Failed to release IDC lock, retyring=%d\n", retry);
4516 			goto retry_unlock;
4517 		}
4518 	} else if (retry < 10) {
4519 		/* Retry for IDC-unlock */
4520 		qla83xx_wait_logic();
4521 		retry++;
4522 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4523 		    "Failed to read drv-lockid, retyring=%d\n", retry);
4524 		goto retry_unlock;
4525 	}
4526 
4527 	return;
4528 
4529 	/* XXX: IDC-unlock implementation using access-control mbx */
4530 	retry = 0;
4531 retry_unlock2:
4532 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4533 		if (retry < 10) {
4534 			/* Retry for IDC-unlock */
4535 			qla83xx_wait_logic();
4536 			retry++;
4537 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4538 			    "Failed to release IDC lock, retyring=%d\n", retry);
4539 			goto retry_unlock2;
4540 		}
4541 	}
4542 
4543 	return;
4544 }
4545 
4546 int
4547 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4548 {
4549 	int rval = QLA_SUCCESS;
4550 	struct qla_hw_data *ha = vha->hw;
4551 	uint32_t drv_presence;
4552 
4553 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4554 	if (rval == QLA_SUCCESS) {
4555 		drv_presence |= (1 << ha->portnum);
4556 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4557 		    drv_presence);
4558 	}
4559 
4560 	return rval;
4561 }
4562 
4563 int
4564 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4565 {
4566 	int rval = QLA_SUCCESS;
4567 
4568 	qla83xx_idc_lock(vha, 0);
4569 	rval = __qla83xx_set_drv_presence(vha);
4570 	qla83xx_idc_unlock(vha, 0);
4571 
4572 	return rval;
4573 }
4574 
4575 int
4576 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4577 {
4578 	int rval = QLA_SUCCESS;
4579 	struct qla_hw_data *ha = vha->hw;
4580 	uint32_t drv_presence;
4581 
4582 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4583 	if (rval == QLA_SUCCESS) {
4584 		drv_presence &= ~(1 << ha->portnum);
4585 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4586 		    drv_presence);
4587 	}
4588 
4589 	return rval;
4590 }
4591 
4592 int
4593 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4594 {
4595 	int rval = QLA_SUCCESS;
4596 
4597 	qla83xx_idc_lock(vha, 0);
4598 	rval = __qla83xx_clear_drv_presence(vha);
4599 	qla83xx_idc_unlock(vha, 0);
4600 
4601 	return rval;
4602 }
4603 
4604 static void
4605 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4606 {
4607 	struct qla_hw_data *ha = vha->hw;
4608 	uint32_t drv_ack, drv_presence;
4609 	unsigned long ack_timeout;
4610 
4611 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4612 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4613 	while (1) {
4614 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4615 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4616 		if ((drv_ack & drv_presence) == drv_presence)
4617 			break;
4618 
4619 		if (time_after_eq(jiffies, ack_timeout)) {
4620 			ql_log(ql_log_warn, vha, 0xb067,
4621 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
4622 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
4623 			/*
4624 			 * The function(s) which did not ack in time are forced
4625 			 * to withdraw any further participation in the IDC
4626 			 * reset.
4627 			 */
4628 			if (drv_ack != drv_presence)
4629 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4630 				    drv_ack);
4631 			break;
4632 		}
4633 
4634 		qla83xx_idc_unlock(vha, 0);
4635 		msleep(1000);
4636 		qla83xx_idc_lock(vha, 0);
4637 	}
4638 
4639 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4640 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4641 }
4642 
4643 static int
4644 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4645 {
4646 	int rval = QLA_SUCCESS;
4647 	uint32_t idc_control;
4648 
4649 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4650 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4651 
4652 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4653 	__qla83xx_get_idc_control(vha, &idc_control);
4654 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4655 	__qla83xx_set_idc_control(vha, 0);
4656 
4657 	qla83xx_idc_unlock(vha, 0);
4658 	rval = qla83xx_restart_nic_firmware(vha);
4659 	qla83xx_idc_lock(vha, 0);
4660 
4661 	if (rval != QLA_SUCCESS) {
4662 		ql_log(ql_log_fatal, vha, 0xb06a,
4663 		    "Failed to restart NIC f/w.\n");
4664 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4665 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4666 	} else {
4667 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4668 		    "Success in restarting nic f/w.\n");
4669 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4670 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4671 	}
4672 
4673 	return rval;
4674 }
4675 
4676 /* Assumes idc_lock always held on entry */
4677 int
4678 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4679 {
4680 	struct qla_hw_data *ha = base_vha->hw;
4681 	int rval = QLA_SUCCESS;
4682 	unsigned long dev_init_timeout;
4683 	uint32_t dev_state;
4684 
4685 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4686 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4687 
4688 	while (1) {
4689 
4690 		if (time_after_eq(jiffies, dev_init_timeout)) {
4691 			ql_log(ql_log_warn, base_vha, 0xb06e,
4692 			    "Initialization TIMEOUT!\n");
4693 			/* Init timeout. Disable further NIC Core
4694 			 * communication.
4695 			 */
4696 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4697 				QLA8XXX_DEV_FAILED);
4698 			ql_log(ql_log_info, base_vha, 0xb06f,
4699 			    "HW State: FAILED.\n");
4700 		}
4701 
4702 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4703 		switch (dev_state) {
4704 		case QLA8XXX_DEV_READY:
4705 			if (ha->flags.nic_core_reset_owner)
4706 				qla83xx_idc_audit(base_vha,
4707 				    IDC_AUDIT_COMPLETION);
4708 			ha->flags.nic_core_reset_owner = 0;
4709 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4710 			    "Reset_owner reset by 0x%x.\n",
4711 			    ha->portnum);
4712 			goto exit;
4713 		case QLA8XXX_DEV_COLD:
4714 			if (ha->flags.nic_core_reset_owner)
4715 				rval = qla83xx_device_bootstrap(base_vha);
4716 			else {
4717 			/* Wait for AEN to change device-state */
4718 				qla83xx_idc_unlock(base_vha, 0);
4719 				msleep(1000);
4720 				qla83xx_idc_lock(base_vha, 0);
4721 			}
4722 			break;
4723 		case QLA8XXX_DEV_INITIALIZING:
4724 			/* Wait for AEN to change device-state */
4725 			qla83xx_idc_unlock(base_vha, 0);
4726 			msleep(1000);
4727 			qla83xx_idc_lock(base_vha, 0);
4728 			break;
4729 		case QLA8XXX_DEV_NEED_RESET:
4730 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4731 				qla83xx_need_reset_handler(base_vha);
4732 			else {
4733 				/* Wait for AEN to change device-state */
4734 				qla83xx_idc_unlock(base_vha, 0);
4735 				msleep(1000);
4736 				qla83xx_idc_lock(base_vha, 0);
4737 			}
4738 			/* reset timeout value after need reset handler */
4739 			dev_init_timeout = jiffies +
4740 			    (ha->fcoe_dev_init_timeout * HZ);
4741 			break;
4742 		case QLA8XXX_DEV_NEED_QUIESCENT:
4743 			/* XXX: DEBUG for now */
4744 			qla83xx_idc_unlock(base_vha, 0);
4745 			msleep(1000);
4746 			qla83xx_idc_lock(base_vha, 0);
4747 			break;
4748 		case QLA8XXX_DEV_QUIESCENT:
4749 			/* XXX: DEBUG for now */
4750 			if (ha->flags.quiesce_owner)
4751 				goto exit;
4752 
4753 			qla83xx_idc_unlock(base_vha, 0);
4754 			msleep(1000);
4755 			qla83xx_idc_lock(base_vha, 0);
4756 			dev_init_timeout = jiffies +
4757 			    (ha->fcoe_dev_init_timeout * HZ);
4758 			break;
4759 		case QLA8XXX_DEV_FAILED:
4760 			if (ha->flags.nic_core_reset_owner)
4761 				qla83xx_idc_audit(base_vha,
4762 				    IDC_AUDIT_COMPLETION);
4763 			ha->flags.nic_core_reset_owner = 0;
4764 			__qla83xx_clear_drv_presence(base_vha);
4765 			qla83xx_idc_unlock(base_vha, 0);
4766 			qla8xxx_dev_failed_handler(base_vha);
4767 			rval = QLA_FUNCTION_FAILED;
4768 			qla83xx_idc_lock(base_vha, 0);
4769 			goto exit;
4770 		case QLA8XXX_BAD_VALUE:
4771 			qla83xx_idc_unlock(base_vha, 0);
4772 			msleep(1000);
4773 			qla83xx_idc_lock(base_vha, 0);
4774 			break;
4775 		default:
4776 			ql_log(ql_log_warn, base_vha, 0xb071,
4777 			    "Unknow Device State: %x.\n", dev_state);
4778 			qla83xx_idc_unlock(base_vha, 0);
4779 			qla8xxx_dev_failed_handler(base_vha);
4780 			rval = QLA_FUNCTION_FAILED;
4781 			qla83xx_idc_lock(base_vha, 0);
4782 			goto exit;
4783 		}
4784 	}
4785 
4786 exit:
4787 	return rval;
4788 }
4789 
4790 void
4791 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4792 {
4793 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4794 	    board_disable);
4795 	struct pci_dev *pdev = ha->pdev;
4796 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4797 
4798 	ql_log(ql_log_warn, base_vha, 0x015b,
4799 	    "Disabling adapter.\n");
4800 
4801 	set_bit(UNLOADING, &base_vha->dpc_flags);
4802 
4803 	qla2x00_delete_all_vps(ha, base_vha);
4804 
4805 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4806 
4807 	qla2x00_dfs_remove(base_vha);
4808 
4809 	qla84xx_put_chip(base_vha);
4810 
4811 	if (base_vha->timer_active)
4812 		qla2x00_stop_timer(base_vha);
4813 
4814 	base_vha->flags.online = 0;
4815 
4816 	qla2x00_destroy_deferred_work(ha);
4817 
4818 	/*
4819 	 * Do not try to stop beacon blink as it will issue a mailbox
4820 	 * command.
4821 	 */
4822 	qla2x00_free_sysfs_attr(base_vha, false);
4823 
4824 	fc_remove_host(base_vha->host);
4825 
4826 	scsi_remove_host(base_vha->host);
4827 
4828 	base_vha->flags.init_done = 0;
4829 	qla25xx_delete_queues(base_vha);
4830 	qla2x00_free_irqs(base_vha);
4831 	qla2x00_free_fcports(base_vha);
4832 	qla2x00_mem_free(ha);
4833 	qla82xx_md_free(base_vha);
4834 	qla2x00_free_queues(ha);
4835 
4836 	qla2x00_unmap_iobases(ha);
4837 
4838 	pci_release_selected_regions(ha->pdev, ha->bars);
4839 	pci_disable_pcie_error_reporting(pdev);
4840 	pci_disable_device(pdev);
4841 
4842 	/*
4843 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
4844 	 */
4845 }
4846 
4847 /**************************************************************************
4848 * qla2x00_do_dpc
4849 *   This kernel thread is a task that is schedule by the interrupt handler
4850 *   to perform the background processing for interrupts.
4851 *
4852 * Notes:
4853 * This task always run in the context of a kernel thread.  It
4854 * is kick-off by the driver's detect code and starts up
4855 * up one per adapter. It immediately goes to sleep and waits for
4856 * some fibre event.  When either the interrupt handler or
4857 * the timer routine detects a event it will one of the task
4858 * bits then wake us up.
4859 **************************************************************************/
4860 static int
4861 qla2x00_do_dpc(void *data)
4862 {
4863 	int		rval;
4864 	scsi_qla_host_t *base_vha;
4865 	struct qla_hw_data *ha;
4866 
4867 	ha = (struct qla_hw_data *)data;
4868 	base_vha = pci_get_drvdata(ha->pdev);
4869 
4870 	set_user_nice(current, MIN_NICE);
4871 
4872 	set_current_state(TASK_INTERRUPTIBLE);
4873 	while (!kthread_should_stop()) {
4874 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4875 		    "DPC handler sleeping.\n");
4876 
4877 		schedule();
4878 
4879 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4880 			goto end_loop;
4881 
4882 		if (ha->flags.eeh_busy) {
4883 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4884 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
4885 			goto end_loop;
4886 		}
4887 
4888 		ha->dpc_active = 1;
4889 
4890 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
4891 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
4892 		    base_vha->dpc_flags);
4893 
4894 		qla2x00_do_work(base_vha);
4895 
4896 		if (IS_P3P_TYPE(ha)) {
4897 			if (IS_QLA8044(ha)) {
4898 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
4899 					&base_vha->dpc_flags)) {
4900 					qla8044_idc_lock(ha);
4901 					qla8044_wr_direct(base_vha,
4902 						QLA8044_CRB_DEV_STATE_INDEX,
4903 						QLA8XXX_DEV_FAILED);
4904 					qla8044_idc_unlock(ha);
4905 					ql_log(ql_log_info, base_vha, 0x4004,
4906 						"HW State: FAILED.\n");
4907 					qla8044_device_state_handler(base_vha);
4908 					continue;
4909 				}
4910 
4911 			} else {
4912 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
4913 					&base_vha->dpc_flags)) {
4914 					qla82xx_idc_lock(ha);
4915 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4916 						QLA8XXX_DEV_FAILED);
4917 					qla82xx_idc_unlock(ha);
4918 					ql_log(ql_log_info, base_vha, 0x0151,
4919 						"HW State: FAILED.\n");
4920 					qla82xx_device_state_handler(base_vha);
4921 					continue;
4922 				}
4923 			}
4924 
4925 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
4926 				&base_vha->dpc_flags)) {
4927 
4928 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
4929 				    "FCoE context reset scheduled.\n");
4930 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4931 					&base_vha->dpc_flags))) {
4932 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
4933 						/* FCoE-ctx reset failed.
4934 						 * Escalate to chip-reset
4935 						 */
4936 						set_bit(ISP_ABORT_NEEDED,
4937 							&base_vha->dpc_flags);
4938 					}
4939 					clear_bit(ABORT_ISP_ACTIVE,
4940 						&base_vha->dpc_flags);
4941 				}
4942 
4943 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
4944 				    "FCoE context reset end.\n");
4945 			}
4946 		} else if (IS_QLAFX00(ha)) {
4947 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
4948 				&base_vha->dpc_flags)) {
4949 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
4950 				    "Firmware Reset Recovery\n");
4951 				if (qlafx00_reset_initialize(base_vha)) {
4952 					/* Failed. Abort isp later. */
4953 					if (!test_bit(UNLOADING,
4954 					    &base_vha->dpc_flags)) {
4955 						set_bit(ISP_UNRECOVERABLE,
4956 						    &base_vha->dpc_flags);
4957 						ql_dbg(ql_dbg_dpc, base_vha,
4958 						    0x4021,
4959 						    "Reset Recovery Failed\n");
4960 					}
4961 				}
4962 			}
4963 
4964 			if (test_and_clear_bit(FX00_TARGET_SCAN,
4965 				&base_vha->dpc_flags)) {
4966 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
4967 				    "ISPFx00 Target Scan scheduled\n");
4968 				if (qlafx00_rescan_isp(base_vha)) {
4969 					if (!test_bit(UNLOADING,
4970 					    &base_vha->dpc_flags))
4971 						set_bit(ISP_UNRECOVERABLE,
4972 						    &base_vha->dpc_flags);
4973 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
4974 					    "ISPFx00 Target Scan Failed\n");
4975 				}
4976 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
4977 				    "ISPFx00 Target Scan End\n");
4978 			}
4979 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
4980 				&base_vha->dpc_flags)) {
4981 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
4982 				    "ISPFx00 Host Info resend scheduled\n");
4983 				qlafx00_fx_disc(base_vha,
4984 				    &base_vha->hw->mr.fcport,
4985 				    FXDISC_REG_HOST_INFO);
4986 			}
4987 		}
4988 
4989 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
4990 						&base_vha->dpc_flags)) {
4991 
4992 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
4993 			    "ISP abort scheduled.\n");
4994 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4995 			    &base_vha->dpc_flags))) {
4996 
4997 				if (ha->isp_ops->abort_isp(base_vha)) {
4998 					/* failed. retry later */
4999 					set_bit(ISP_ABORT_NEEDED,
5000 					    &base_vha->dpc_flags);
5001 				}
5002 				clear_bit(ABORT_ISP_ACTIVE,
5003 						&base_vha->dpc_flags);
5004 			}
5005 
5006 			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
5007 			    "ISP abort end.\n");
5008 		}
5009 
5010 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
5011 		    &base_vha->dpc_flags)) {
5012 			qla2x00_update_fcports(base_vha);
5013 		}
5014 
5015 		if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
5016 			int ret;
5017 			ret = qla2x00_send_change_request(base_vha, 0x3, 0);
5018 			if (ret != QLA_SUCCESS)
5019 				ql_log(ql_log_warn, base_vha, 0x121,
5020 				    "Failed to enable receiving of RSCN "
5021 				    "requests: 0x%x.\n", ret);
5022 			clear_bit(SCR_PENDING, &base_vha->dpc_flags);
5023 		}
5024 
5025 		if (IS_QLAFX00(ha))
5026 			goto loop_resync_check;
5027 
5028 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
5029 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
5030 			    "Quiescence mode scheduled.\n");
5031 			if (IS_P3P_TYPE(ha)) {
5032 				if (IS_QLA82XX(ha))
5033 					qla82xx_device_state_handler(base_vha);
5034 				if (IS_QLA8044(ha))
5035 					qla8044_device_state_handler(base_vha);
5036 				clear_bit(ISP_QUIESCE_NEEDED,
5037 				    &base_vha->dpc_flags);
5038 				if (!ha->flags.quiesce_owner) {
5039 					qla2x00_perform_loop_resync(base_vha);
5040 					if (IS_QLA82XX(ha)) {
5041 						qla82xx_idc_lock(ha);
5042 						qla82xx_clear_qsnt_ready(
5043 						    base_vha);
5044 						qla82xx_idc_unlock(ha);
5045 					} else if (IS_QLA8044(ha)) {
5046 						qla8044_idc_lock(ha);
5047 						qla8044_clear_qsnt_ready(
5048 						    base_vha);
5049 						qla8044_idc_unlock(ha);
5050 					}
5051 				}
5052 			} else {
5053 				clear_bit(ISP_QUIESCE_NEEDED,
5054 				    &base_vha->dpc_flags);
5055 				qla2x00_quiesce_io(base_vha);
5056 			}
5057 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
5058 			    "Quiescence mode end.\n");
5059 		}
5060 
5061 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
5062 				&base_vha->dpc_flags) &&
5063 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5064 
5065 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5066 			    "Reset marker scheduled.\n");
5067 			qla2x00_rst_aen(base_vha);
5068 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5069 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5070 			    "Reset marker end.\n");
5071 		}
5072 
5073 		/* Retry each device up to login retry count */
5074 		if ((test_and_clear_bit(RELOGIN_NEEDED,
5075 						&base_vha->dpc_flags)) &&
5076 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5077 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5078 
5079 			ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5080 			    "Relogin scheduled.\n");
5081 			qla2x00_relogin(base_vha);
5082 			ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5083 			    "Relogin end.\n");
5084 		}
5085 loop_resync_check:
5086 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5087 		    &base_vha->dpc_flags)) {
5088 
5089 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5090 			    "Loop resync scheduled.\n");
5091 
5092 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5093 			    &base_vha->dpc_flags))) {
5094 
5095 				rval = qla2x00_loop_resync(base_vha);
5096 
5097 				clear_bit(LOOP_RESYNC_ACTIVE,
5098 						&base_vha->dpc_flags);
5099 			}
5100 
5101 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5102 			    "Loop resync end.\n");
5103 		}
5104 
5105 		if (IS_QLAFX00(ha))
5106 			goto intr_on_check;
5107 
5108 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5109 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
5110 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5111 			qla2xxx_flash_npiv_conf(base_vha);
5112 		}
5113 
5114 intr_on_check:
5115 		if (!ha->interrupts_on)
5116 			ha->isp_ops->enable_intrs(ha);
5117 
5118 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5119 					&base_vha->dpc_flags)) {
5120 			if (ha->beacon_blink_led == 1)
5121 				ha->isp_ops->beacon_blink(base_vha);
5122 		}
5123 
5124 		if (!IS_QLAFX00(ha))
5125 			qla2x00_do_dpc_all_vps(base_vha);
5126 
5127 		ha->dpc_active = 0;
5128 end_loop:
5129 		set_current_state(TASK_INTERRUPTIBLE);
5130 	} /* End of while(1) */
5131 	__set_current_state(TASK_RUNNING);
5132 
5133 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5134 	    "DPC handler exiting.\n");
5135 
5136 	/*
5137 	 * Make sure that nobody tries to wake us up again.
5138 	 */
5139 	ha->dpc_active = 0;
5140 
5141 	/* Cleanup any residual CTX SRBs. */
5142 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5143 
5144 	return 0;
5145 }
5146 
5147 void
5148 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5149 {
5150 	struct qla_hw_data *ha = vha->hw;
5151 	struct task_struct *t = ha->dpc_thread;
5152 
5153 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5154 		wake_up_process(t);
5155 }
5156 
5157 /*
5158 *  qla2x00_rst_aen
5159 *      Processes asynchronous reset.
5160 *
5161 * Input:
5162 *      ha  = adapter block pointer.
5163 */
5164 static void
5165 qla2x00_rst_aen(scsi_qla_host_t *vha)
5166 {
5167 	if (vha->flags.online && !vha->flags.reset_active &&
5168 	    !atomic_read(&vha->loop_down_timer) &&
5169 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5170 		do {
5171 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5172 
5173 			/*
5174 			 * Issue marker command only when we are going to start
5175 			 * the I/O.
5176 			 */
5177 			vha->marker_needed = 1;
5178 		} while (!atomic_read(&vha->loop_down_timer) &&
5179 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5180 	}
5181 }
5182 
5183 /**************************************************************************
5184 *   qla2x00_timer
5185 *
5186 * Description:
5187 *   One second timer
5188 *
5189 * Context: Interrupt
5190 ***************************************************************************/
5191 void
5192 qla2x00_timer(scsi_qla_host_t *vha)
5193 {
5194 	unsigned long	cpu_flags = 0;
5195 	int		start_dpc = 0;
5196 	int		index;
5197 	srb_t		*sp;
5198 	uint16_t        w;
5199 	struct qla_hw_data *ha = vha->hw;
5200 	struct req_que *req;
5201 
5202 	if (ha->flags.eeh_busy) {
5203 		ql_dbg(ql_dbg_timer, vha, 0x6000,
5204 		    "EEH = %d, restarting timer.\n",
5205 		    ha->flags.eeh_busy);
5206 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
5207 		return;
5208 	}
5209 
5210 	/*
5211 	 * Hardware read to raise pending EEH errors during mailbox waits. If
5212 	 * the read returns -1 then disable the board.
5213 	 */
5214 	if (!pci_channel_offline(ha->pdev)) {
5215 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5216 		qla2x00_check_reg16_for_disconnect(vha, w);
5217 	}
5218 
5219 	/* Make sure qla82xx_watchdog is run only for physical port */
5220 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5221 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5222 			start_dpc++;
5223 		if (IS_QLA82XX(ha))
5224 			qla82xx_watchdog(vha);
5225 		else if (IS_QLA8044(ha))
5226 			qla8044_watchdog(vha);
5227 	}
5228 
5229 	if (!vha->vp_idx && IS_QLAFX00(ha))
5230 		qlafx00_timer_routine(vha);
5231 
5232 	/* Loop down handler. */
5233 	if (atomic_read(&vha->loop_down_timer) > 0 &&
5234 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5235 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5236 		&& vha->flags.online) {
5237 
5238 		if (atomic_read(&vha->loop_down_timer) ==
5239 		    vha->loop_down_abort_time) {
5240 
5241 			ql_log(ql_log_info, vha, 0x6008,
5242 			    "Loop down - aborting the queues before time expires.\n");
5243 
5244 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
5245 				atomic_set(&vha->loop_state, LOOP_DEAD);
5246 
5247 			/*
5248 			 * Schedule an ISP abort to return any FCP2-device
5249 			 * commands.
5250 			 */
5251 			/* NPIV - scan physical port only */
5252 			if (!vha->vp_idx) {
5253 				spin_lock_irqsave(&ha->hardware_lock,
5254 				    cpu_flags);
5255 				req = ha->req_q_map[0];
5256 				for (index = 1;
5257 				    index < req->num_outstanding_cmds;
5258 				    index++) {
5259 					fc_port_t *sfcp;
5260 
5261 					sp = req->outstanding_cmds[index];
5262 					if (!sp)
5263 						continue;
5264 					if (sp->type != SRB_SCSI_CMD)
5265 						continue;
5266 					sfcp = sp->fcport;
5267 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
5268 						continue;
5269 
5270 					if (IS_QLA82XX(ha))
5271 						set_bit(FCOE_CTX_RESET_NEEDED,
5272 							&vha->dpc_flags);
5273 					else
5274 						set_bit(ISP_ABORT_NEEDED,
5275 							&vha->dpc_flags);
5276 					break;
5277 				}
5278 				spin_unlock_irqrestore(&ha->hardware_lock,
5279 								cpu_flags);
5280 			}
5281 			start_dpc++;
5282 		}
5283 
5284 		/* if the loop has been down for 4 minutes, reinit adapter */
5285 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5286 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
5287 				ql_log(ql_log_warn, vha, 0x6009,
5288 				    "Loop down - aborting ISP.\n");
5289 
5290 				if (IS_QLA82XX(ha))
5291 					set_bit(FCOE_CTX_RESET_NEEDED,
5292 						&vha->dpc_flags);
5293 				else
5294 					set_bit(ISP_ABORT_NEEDED,
5295 						&vha->dpc_flags);
5296 			}
5297 		}
5298 		ql_dbg(ql_dbg_timer, vha, 0x600a,
5299 		    "Loop down - seconds remaining %d.\n",
5300 		    atomic_read(&vha->loop_down_timer));
5301 	}
5302 	/* Check if beacon LED needs to be blinked for physical host only */
5303 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5304 		/* There is no beacon_blink function for ISP82xx */
5305 		if (!IS_P3P_TYPE(ha)) {
5306 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5307 			start_dpc++;
5308 		}
5309 	}
5310 
5311 	/* Process any deferred work. */
5312 	if (!list_empty(&vha->work_list))
5313 		start_dpc++;
5314 
5315 	/* Schedule the DPC routine if needed */
5316 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5317 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5318 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5319 	    start_dpc ||
5320 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5321 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5322 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5323 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5324 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5325 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5326 		ql_dbg(ql_dbg_timer, vha, 0x600b,
5327 		    "isp_abort_needed=%d loop_resync_needed=%d "
5328 		    "fcport_update_needed=%d start_dpc=%d "
5329 		    "reset_marker_needed=%d",
5330 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5331 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5332 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5333 		    start_dpc,
5334 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5335 		ql_dbg(ql_dbg_timer, vha, 0x600c,
5336 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
5337 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5338 		    "relogin_needed=%d.\n",
5339 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5340 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5341 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5342 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5343 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5344 		qla2xxx_wake_dpc(vha);
5345 	}
5346 
5347 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
5348 }
5349 
5350 /* Firmware interface routines. */
5351 
5352 #define FW_BLOBS	11
5353 #define FW_ISP21XX	0
5354 #define FW_ISP22XX	1
5355 #define FW_ISP2300	2
5356 #define FW_ISP2322	3
5357 #define FW_ISP24XX	4
5358 #define FW_ISP25XX	5
5359 #define FW_ISP81XX	6
5360 #define FW_ISP82XX	7
5361 #define FW_ISP2031	8
5362 #define FW_ISP8031	9
5363 #define FW_ISP27XX	10
5364 
5365 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
5366 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
5367 #define FW_FILE_ISP2300	"ql2300_fw.bin"
5368 #define FW_FILE_ISP2322	"ql2322_fw.bin"
5369 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
5370 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
5371 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
5372 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
5373 #define FW_FILE_ISP2031	"ql2600_fw.bin"
5374 #define FW_FILE_ISP8031	"ql8300_fw.bin"
5375 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
5376 
5377 
5378 static DEFINE_MUTEX(qla_fw_lock);
5379 
5380 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5381 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5382 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5383 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5384 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5385 	{ .name = FW_FILE_ISP24XX, },
5386 	{ .name = FW_FILE_ISP25XX, },
5387 	{ .name = FW_FILE_ISP81XX, },
5388 	{ .name = FW_FILE_ISP82XX, },
5389 	{ .name = FW_FILE_ISP2031, },
5390 	{ .name = FW_FILE_ISP8031, },
5391 	{ .name = FW_FILE_ISP27XX, },
5392 };
5393 
5394 struct fw_blob *
5395 qla2x00_request_firmware(scsi_qla_host_t *vha)
5396 {
5397 	struct qla_hw_data *ha = vha->hw;
5398 	struct fw_blob *blob;
5399 
5400 	if (IS_QLA2100(ha)) {
5401 		blob = &qla_fw_blobs[FW_ISP21XX];
5402 	} else if (IS_QLA2200(ha)) {
5403 		blob = &qla_fw_blobs[FW_ISP22XX];
5404 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5405 		blob = &qla_fw_blobs[FW_ISP2300];
5406 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5407 		blob = &qla_fw_blobs[FW_ISP2322];
5408 	} else if (IS_QLA24XX_TYPE(ha)) {
5409 		blob = &qla_fw_blobs[FW_ISP24XX];
5410 	} else if (IS_QLA25XX(ha)) {
5411 		blob = &qla_fw_blobs[FW_ISP25XX];
5412 	} else if (IS_QLA81XX(ha)) {
5413 		blob = &qla_fw_blobs[FW_ISP81XX];
5414 	} else if (IS_QLA82XX(ha)) {
5415 		blob = &qla_fw_blobs[FW_ISP82XX];
5416 	} else if (IS_QLA2031(ha)) {
5417 		blob = &qla_fw_blobs[FW_ISP2031];
5418 	} else if (IS_QLA8031(ha)) {
5419 		blob = &qla_fw_blobs[FW_ISP8031];
5420 	} else if (IS_QLA27XX(ha)) {
5421 		blob = &qla_fw_blobs[FW_ISP27XX];
5422 	} else {
5423 		return NULL;
5424 	}
5425 
5426 	mutex_lock(&qla_fw_lock);
5427 	if (blob->fw)
5428 		goto out;
5429 
5430 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5431 		ql_log(ql_log_warn, vha, 0x0063,
5432 		    "Failed to load firmware image (%s).\n", blob->name);
5433 		blob->fw = NULL;
5434 		blob = NULL;
5435 		goto out;
5436 	}
5437 
5438 out:
5439 	mutex_unlock(&qla_fw_lock);
5440 	return blob;
5441 }
5442 
5443 static void
5444 qla2x00_release_firmware(void)
5445 {
5446 	int idx;
5447 
5448 	mutex_lock(&qla_fw_lock);
5449 	for (idx = 0; idx < FW_BLOBS; idx++)
5450 		release_firmware(qla_fw_blobs[idx].fw);
5451 	mutex_unlock(&qla_fw_lock);
5452 }
5453 
5454 static pci_ers_result_t
5455 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5456 {
5457 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5458 	struct qla_hw_data *ha = vha->hw;
5459 
5460 	ql_dbg(ql_dbg_aer, vha, 0x9000,
5461 	    "PCI error detected, state %x.\n", state);
5462 
5463 	switch (state) {
5464 	case pci_channel_io_normal:
5465 		ha->flags.eeh_busy = 0;
5466 		return PCI_ERS_RESULT_CAN_RECOVER;
5467 	case pci_channel_io_frozen:
5468 		ha->flags.eeh_busy = 1;
5469 		/* For ISP82XX complete any pending mailbox cmd */
5470 		if (IS_QLA82XX(ha)) {
5471 			ha->flags.isp82xx_fw_hung = 1;
5472 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5473 			qla82xx_clear_pending_mbx(vha);
5474 		}
5475 		qla2x00_free_irqs(vha);
5476 		pci_disable_device(pdev);
5477 		/* Return back all IOs */
5478 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5479 		return PCI_ERS_RESULT_NEED_RESET;
5480 	case pci_channel_io_perm_failure:
5481 		ha->flags.pci_channel_io_perm_failure = 1;
5482 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5483 		return PCI_ERS_RESULT_DISCONNECT;
5484 	}
5485 	return PCI_ERS_RESULT_NEED_RESET;
5486 }
5487 
5488 static pci_ers_result_t
5489 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5490 {
5491 	int risc_paused = 0;
5492 	uint32_t stat;
5493 	unsigned long flags;
5494 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5495 	struct qla_hw_data *ha = base_vha->hw;
5496 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5497 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5498 
5499 	if (IS_QLA82XX(ha))
5500 		return PCI_ERS_RESULT_RECOVERED;
5501 
5502 	spin_lock_irqsave(&ha->hardware_lock, flags);
5503 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5504 		stat = RD_REG_DWORD(&reg->hccr);
5505 		if (stat & HCCR_RISC_PAUSE)
5506 			risc_paused = 1;
5507 	} else if (IS_QLA23XX(ha)) {
5508 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5509 		if (stat & HSR_RISC_PAUSED)
5510 			risc_paused = 1;
5511 	} else if (IS_FWI2_CAPABLE(ha)) {
5512 		stat = RD_REG_DWORD(&reg24->host_status);
5513 		if (stat & HSRX_RISC_PAUSED)
5514 			risc_paused = 1;
5515 	}
5516 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
5517 
5518 	if (risc_paused) {
5519 		ql_log(ql_log_info, base_vha, 0x9003,
5520 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
5521 		ha->isp_ops->fw_dump(base_vha, 0);
5522 
5523 		return PCI_ERS_RESULT_NEED_RESET;
5524 	} else
5525 		return PCI_ERS_RESULT_RECOVERED;
5526 }
5527 
5528 static uint32_t
5529 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5530 {
5531 	uint32_t rval = QLA_FUNCTION_FAILED;
5532 	uint32_t drv_active = 0;
5533 	struct qla_hw_data *ha = base_vha->hw;
5534 	int fn;
5535 	struct pci_dev *other_pdev = NULL;
5536 
5537 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5538 	    "Entered %s.\n", __func__);
5539 
5540 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5541 
5542 	if (base_vha->flags.online) {
5543 		/* Abort all outstanding commands,
5544 		 * so as to be requeued later */
5545 		qla2x00_abort_isp_cleanup(base_vha);
5546 	}
5547 
5548 
5549 	fn = PCI_FUNC(ha->pdev->devfn);
5550 	while (fn > 0) {
5551 		fn--;
5552 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5553 		    "Finding pci device at function = 0x%x.\n", fn);
5554 		other_pdev =
5555 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5556 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5557 		    fn));
5558 
5559 		if (!other_pdev)
5560 			continue;
5561 		if (atomic_read(&other_pdev->enable_cnt)) {
5562 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5563 			    "Found PCI func available and enable at 0x%x.\n",
5564 			    fn);
5565 			pci_dev_put(other_pdev);
5566 			break;
5567 		}
5568 		pci_dev_put(other_pdev);
5569 	}
5570 
5571 	if (!fn) {
5572 		/* Reset owner */
5573 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5574 		    "This devfn is reset owner = 0x%x.\n",
5575 		    ha->pdev->devfn);
5576 		qla82xx_idc_lock(ha);
5577 
5578 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5579 		    QLA8XXX_DEV_INITIALIZING);
5580 
5581 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5582 		    QLA82XX_IDC_VERSION);
5583 
5584 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5585 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5586 		    "drv_active = 0x%x.\n", drv_active);
5587 
5588 		qla82xx_idc_unlock(ha);
5589 		/* Reset if device is not already reset
5590 		 * drv_active would be 0 if a reset has already been done
5591 		 */
5592 		if (drv_active)
5593 			rval = qla82xx_start_firmware(base_vha);
5594 		else
5595 			rval = QLA_SUCCESS;
5596 		qla82xx_idc_lock(ha);
5597 
5598 		if (rval != QLA_SUCCESS) {
5599 			ql_log(ql_log_info, base_vha, 0x900b,
5600 			    "HW State: FAILED.\n");
5601 			qla82xx_clear_drv_active(ha);
5602 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5603 			    QLA8XXX_DEV_FAILED);
5604 		} else {
5605 			ql_log(ql_log_info, base_vha, 0x900c,
5606 			    "HW State: READY.\n");
5607 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5608 			    QLA8XXX_DEV_READY);
5609 			qla82xx_idc_unlock(ha);
5610 			ha->flags.isp82xx_fw_hung = 0;
5611 			rval = qla82xx_restart_isp(base_vha);
5612 			qla82xx_idc_lock(ha);
5613 			/* Clear driver state register */
5614 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5615 			qla82xx_set_drv_active(base_vha);
5616 		}
5617 		qla82xx_idc_unlock(ha);
5618 	} else {
5619 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5620 		    "This devfn is not reset owner = 0x%x.\n",
5621 		    ha->pdev->devfn);
5622 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5623 		    QLA8XXX_DEV_READY)) {
5624 			ha->flags.isp82xx_fw_hung = 0;
5625 			rval = qla82xx_restart_isp(base_vha);
5626 			qla82xx_idc_lock(ha);
5627 			qla82xx_set_drv_active(base_vha);
5628 			qla82xx_idc_unlock(ha);
5629 		}
5630 	}
5631 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5632 
5633 	return rval;
5634 }
5635 
5636 static pci_ers_result_t
5637 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5638 {
5639 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5640 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5641 	struct qla_hw_data *ha = base_vha->hw;
5642 	struct rsp_que *rsp;
5643 	int rc, retries = 10;
5644 
5645 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5646 	    "Slot Reset.\n");
5647 
5648 	/* Workaround: qla2xxx driver which access hardware earlier
5649 	 * needs error state to be pci_channel_io_online.
5650 	 * Otherwise mailbox command timesout.
5651 	 */
5652 	pdev->error_state = pci_channel_io_normal;
5653 
5654 	pci_restore_state(pdev);
5655 
5656 	/* pci_restore_state() clears the saved_state flag of the device
5657 	 * save restored state which resets saved_state flag
5658 	 */
5659 	pci_save_state(pdev);
5660 
5661 	if (ha->mem_only)
5662 		rc = pci_enable_device_mem(pdev);
5663 	else
5664 		rc = pci_enable_device(pdev);
5665 
5666 	if (rc) {
5667 		ql_log(ql_log_warn, base_vha, 0x9005,
5668 		    "Can't re-enable PCI device after reset.\n");
5669 		goto exit_slot_reset;
5670 	}
5671 
5672 	rsp = ha->rsp_q_map[0];
5673 	if (qla2x00_request_irqs(ha, rsp))
5674 		goto exit_slot_reset;
5675 
5676 	if (ha->isp_ops->pci_config(base_vha))
5677 		goto exit_slot_reset;
5678 
5679 	if (IS_QLA82XX(ha)) {
5680 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5681 			ret = PCI_ERS_RESULT_RECOVERED;
5682 			goto exit_slot_reset;
5683 		} else
5684 			goto exit_slot_reset;
5685 	}
5686 
5687 	while (ha->flags.mbox_busy && retries--)
5688 		msleep(1000);
5689 
5690 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5691 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5692 		ret =  PCI_ERS_RESULT_RECOVERED;
5693 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5694 
5695 
5696 exit_slot_reset:
5697 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5698 	    "slot_reset return %x.\n", ret);
5699 
5700 	return ret;
5701 }
5702 
5703 static void
5704 qla2xxx_pci_resume(struct pci_dev *pdev)
5705 {
5706 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5707 	struct qla_hw_data *ha = base_vha->hw;
5708 	int ret;
5709 
5710 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5711 	    "pci_resume.\n");
5712 
5713 	ret = qla2x00_wait_for_hba_online(base_vha);
5714 	if (ret != QLA_SUCCESS) {
5715 		ql_log(ql_log_fatal, base_vha, 0x9002,
5716 		    "The device failed to resume I/O from slot/link_reset.\n");
5717 	}
5718 
5719 	pci_cleanup_aer_uncorrect_error_status(pdev);
5720 
5721 	ha->flags.eeh_busy = 0;
5722 }
5723 
5724 static void
5725 qla83xx_disable_laser(scsi_qla_host_t *vha)
5726 {
5727 	uint32_t reg, data, fn;
5728 	struct qla_hw_data *ha = vha->hw;
5729 	struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5730 
5731 	/* pci func #/port # */
5732 	ql_dbg(ql_dbg_init, vha, 0x004b,
5733 	    "Disabling Laser for hba: %p\n", vha);
5734 
5735 	fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5736 		(BIT_15|BIT_14|BIT_13|BIT_12));
5737 
5738 	fn = (fn >> 12);
5739 
5740 	if (fn & 1)
5741 		reg = PORT_1_2031;
5742 	else
5743 		reg = PORT_0_2031;
5744 
5745 	data = LASER_OFF_2031;
5746 
5747 	qla83xx_wr_reg(vha, reg, data);
5748 }
5749 
5750 static const struct pci_error_handlers qla2xxx_err_handler = {
5751 	.error_detected = qla2xxx_pci_error_detected,
5752 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
5753 	.slot_reset = qla2xxx_pci_slot_reset,
5754 	.resume = qla2xxx_pci_resume,
5755 };
5756 
5757 static struct pci_device_id qla2xxx_pci_tbl[] = {
5758 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5759 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5760 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5761 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5762 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5763 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5764 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5765 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5766 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5767 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5768 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5769 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5770 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5771 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5772 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5773 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5774 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5775 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5776 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5777 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5778 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5779 	{ 0 },
5780 };
5781 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5782 
5783 static struct pci_driver qla2xxx_pci_driver = {
5784 	.name		= QLA2XXX_DRIVER_NAME,
5785 	.driver		= {
5786 		.owner		= THIS_MODULE,
5787 	},
5788 	.id_table	= qla2xxx_pci_tbl,
5789 	.probe		= qla2x00_probe_one,
5790 	.remove		= qla2x00_remove_one,
5791 	.shutdown	= qla2x00_shutdown,
5792 	.err_handler	= &qla2xxx_err_handler,
5793 };
5794 
5795 static const struct file_operations apidev_fops = {
5796 	.owner = THIS_MODULE,
5797 	.llseek = noop_llseek,
5798 };
5799 
5800 /**
5801  * qla2x00_module_init - Module initialization.
5802  **/
5803 static int __init
5804 qla2x00_module_init(void)
5805 {
5806 	int ret = 0;
5807 
5808 	/* Allocate cache for SRBs. */
5809 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5810 	    SLAB_HWCACHE_ALIGN, NULL);
5811 	if (srb_cachep == NULL) {
5812 		ql_log(ql_log_fatal, NULL, 0x0001,
5813 		    "Unable to allocate SRB cache...Failing load!.\n");
5814 		return -ENOMEM;
5815 	}
5816 
5817 	/* Initialize target kmem_cache and mem_pools */
5818 	ret = qlt_init();
5819 	if (ret < 0) {
5820 		kmem_cache_destroy(srb_cachep);
5821 		return ret;
5822 	} else if (ret > 0) {
5823 		/*
5824 		 * If initiator mode is explictly disabled by qlt_init(),
5825 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5826 		 * performing scsi_scan_target() during LOOP UP event.
5827 		 */
5828 		qla2xxx_transport_functions.disable_target_scan = 1;
5829 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
5830 	}
5831 
5832 	/* Derive version string. */
5833 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5834 	if (ql2xextended_error_logging)
5835 		strcat(qla2x00_version_str, "-debug");
5836 
5837 	qla2xxx_transport_template =
5838 	    fc_attach_transport(&qla2xxx_transport_functions);
5839 	if (!qla2xxx_transport_template) {
5840 		kmem_cache_destroy(srb_cachep);
5841 		ql_log(ql_log_fatal, NULL, 0x0002,
5842 		    "fc_attach_transport failed...Failing load!.\n");
5843 		qlt_exit();
5844 		return -ENODEV;
5845 	}
5846 
5847 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5848 	if (apidev_major < 0) {
5849 		ql_log(ql_log_fatal, NULL, 0x0003,
5850 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5851 	}
5852 
5853 	qla2xxx_transport_vport_template =
5854 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
5855 	if (!qla2xxx_transport_vport_template) {
5856 		kmem_cache_destroy(srb_cachep);
5857 		qlt_exit();
5858 		fc_release_transport(qla2xxx_transport_template);
5859 		ql_log(ql_log_fatal, NULL, 0x0004,
5860 		    "fc_attach_transport vport failed...Failing load!.\n");
5861 		return -ENODEV;
5862 	}
5863 	ql_log(ql_log_info, NULL, 0x0005,
5864 	    "QLogic Fibre Channel HBA Driver: %s.\n",
5865 	    qla2x00_version_str);
5866 	ret = pci_register_driver(&qla2xxx_pci_driver);
5867 	if (ret) {
5868 		kmem_cache_destroy(srb_cachep);
5869 		qlt_exit();
5870 		fc_release_transport(qla2xxx_transport_template);
5871 		fc_release_transport(qla2xxx_transport_vport_template);
5872 		ql_log(ql_log_fatal, NULL, 0x0006,
5873 		    "pci_register_driver failed...ret=%d Failing load!.\n",
5874 		    ret);
5875 	}
5876 	return ret;
5877 }
5878 
5879 /**
5880  * qla2x00_module_exit - Module cleanup.
5881  **/
5882 static void __exit
5883 qla2x00_module_exit(void)
5884 {
5885 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5886 	pci_unregister_driver(&qla2xxx_pci_driver);
5887 	qla2x00_release_firmware();
5888 	kmem_cache_destroy(srb_cachep);
5889 	qlt_exit();
5890 	if (ctx_cachep)
5891 		kmem_cache_destroy(ctx_cachep);
5892 	fc_release_transport(qla2xxx_transport_template);
5893 	fc_release_transport(qla2xxx_transport_vport_template);
5894 }
5895 
5896 module_init(qla2x00_module_init);
5897 module_exit(qla2x00_module_exit);
5898 
5899 MODULE_AUTHOR("QLogic Corporation");
5900 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
5901 MODULE_LICENSE("GPL");
5902 MODULE_VERSION(QLA2XXX_VERSION);
5903 MODULE_FIRMWARE(FW_FILE_ISP21XX);
5904 MODULE_FIRMWARE(FW_FILE_ISP22XX);
5905 MODULE_FIRMWARE(FW_FILE_ISP2300);
5906 MODULE_FIRMWARE(FW_FILE_ISP2322);
5907 MODULE_FIRMWARE(FW_FILE_ISP24XX);
5908 MODULE_FIRMWARE(FW_FILE_ISP25XX);
5909