xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision b34e08d5)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2013 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);
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 uint ql2xmaxlun = MAX_LUNS;
206 module_param(ql2xmaxlun, uint, 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_free_device(scsi_qla_host_t *);
242 
243 struct scsi_host_template qla2xxx_driver_template = {
244 	.module			= THIS_MODULE,
245 	.name			= QLA2XXX_DRIVER_NAME,
246 	.queuecommand		= qla2xxx_queuecommand,
247 
248 	.eh_abort_handler	= qla2xxx_eh_abort,
249 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
250 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
251 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
252 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
253 
254 	.slave_configure	= qla2xxx_slave_configure,
255 
256 	.slave_alloc		= qla2xxx_slave_alloc,
257 	.slave_destroy		= qla2xxx_slave_destroy,
258 	.scan_finished		= qla2xxx_scan_finished,
259 	.scan_start		= qla2xxx_scan_start,
260 	.change_queue_depth	= qla2x00_change_queue_depth,
261 	.change_queue_type	= qla2x00_change_queue_type,
262 	.this_id		= -1,
263 	.cmd_per_lun		= 3,
264 	.use_clustering		= ENABLE_CLUSTERING,
265 	.sg_tablesize		= SG_ALL,
266 
267 	.max_sectors		= 0xFFFF,
268 	.shost_attrs		= qla2x00_host_attrs,
269 
270 	.supported_mode		= MODE_INITIATOR,
271 };
272 
273 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
274 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
275 
276 /* TODO Convert to inlines
277  *
278  * Timer routines
279  */
280 
281 __inline__ void
282 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
283 {
284 	init_timer(&vha->timer);
285 	vha->timer.expires = jiffies + interval * HZ;
286 	vha->timer.data = (unsigned long)vha;
287 	vha->timer.function = (void (*)(unsigned long))func;
288 	add_timer(&vha->timer);
289 	vha->timer_active = 1;
290 }
291 
292 static inline void
293 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
294 {
295 	/* Currently used for 82XX only. */
296 	if (vha->device_flags & DFLG_DEV_FAILED) {
297 		ql_dbg(ql_dbg_timer, vha, 0x600d,
298 		    "Device in a failed state, returning.\n");
299 		return;
300 	}
301 
302 	mod_timer(&vha->timer, jiffies + interval * HZ);
303 }
304 
305 static __inline__ void
306 qla2x00_stop_timer(scsi_qla_host_t *vha)
307 {
308 	del_timer_sync(&vha->timer);
309 	vha->timer_active = 0;
310 }
311 
312 static int qla2x00_do_dpc(void *data);
313 
314 static void qla2x00_rst_aen(scsi_qla_host_t *);
315 
316 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
317 	struct req_que **, struct rsp_que **);
318 static void qla2x00_free_fw_dump(struct qla_hw_data *);
319 static void qla2x00_mem_free(struct qla_hw_data *);
320 
321 /* -------------------------------------------------------------------------- */
322 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
323 				struct rsp_que *rsp)
324 {
325 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
326 	ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
327 				GFP_KERNEL);
328 	if (!ha->req_q_map) {
329 		ql_log(ql_log_fatal, vha, 0x003b,
330 		    "Unable to allocate memory for request queue ptrs.\n");
331 		goto fail_req_map;
332 	}
333 
334 	ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
335 				GFP_KERNEL);
336 	if (!ha->rsp_q_map) {
337 		ql_log(ql_log_fatal, vha, 0x003c,
338 		    "Unable to allocate memory for response queue ptrs.\n");
339 		goto fail_rsp_map;
340 	}
341 	/*
342 	 * Make sure we record at least the request and response queue zero in
343 	 * case we need to free them if part of the probe fails.
344 	 */
345 	ha->rsp_q_map[0] = rsp;
346 	ha->req_q_map[0] = req;
347 	set_bit(0, ha->rsp_qid_map);
348 	set_bit(0, ha->req_qid_map);
349 	return 1;
350 
351 fail_rsp_map:
352 	kfree(ha->req_q_map);
353 	ha->req_q_map = NULL;
354 fail_req_map:
355 	return -ENOMEM;
356 }
357 
358 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
359 {
360 	if (IS_QLAFX00(ha)) {
361 		if (req && req->ring_fx00)
362 			dma_free_coherent(&ha->pdev->dev,
363 			    (req->length_fx00 + 1) * sizeof(request_t),
364 			    req->ring_fx00, req->dma_fx00);
365 	} else if (req && req->ring)
366 		dma_free_coherent(&ha->pdev->dev,
367 		(req->length + 1) * sizeof(request_t),
368 		req->ring, req->dma);
369 
370 	if (req)
371 		kfree(req->outstanding_cmds);
372 
373 	kfree(req);
374 	req = NULL;
375 }
376 
377 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
378 {
379 	if (IS_QLAFX00(ha)) {
380 		if (rsp && rsp->ring)
381 			dma_free_coherent(&ha->pdev->dev,
382 			    (rsp->length_fx00 + 1) * sizeof(request_t),
383 			    rsp->ring_fx00, rsp->dma_fx00);
384 	} else if (rsp && rsp->ring) {
385 		dma_free_coherent(&ha->pdev->dev,
386 		(rsp->length + 1) * sizeof(response_t),
387 		rsp->ring, rsp->dma);
388 	}
389 	kfree(rsp);
390 	rsp = NULL;
391 }
392 
393 static void qla2x00_free_queues(struct qla_hw_data *ha)
394 {
395 	struct req_que *req;
396 	struct rsp_que *rsp;
397 	int cnt;
398 
399 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
400 		req = ha->req_q_map[cnt];
401 		qla2x00_free_req_que(ha, req);
402 	}
403 	kfree(ha->req_q_map);
404 	ha->req_q_map = NULL;
405 
406 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
407 		rsp = ha->rsp_q_map[cnt];
408 		qla2x00_free_rsp_que(ha, rsp);
409 	}
410 	kfree(ha->rsp_q_map);
411 	ha->rsp_q_map = NULL;
412 }
413 
414 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
415 {
416 	uint16_t options = 0;
417 	int ques, req, ret;
418 	struct qla_hw_data *ha = vha->hw;
419 
420 	if (!(ha->fw_attributes & BIT_6)) {
421 		ql_log(ql_log_warn, vha, 0x00d8,
422 		    "Firmware is not multi-queue capable.\n");
423 		goto fail;
424 	}
425 	if (ql2xmultique_tag) {
426 		/* create a request queue for IO */
427 		options |= BIT_7;
428 		req = qla25xx_create_req_que(ha, options, 0, 0, -1,
429 			QLA_DEFAULT_QUE_QOS);
430 		if (!req) {
431 			ql_log(ql_log_warn, vha, 0x00e0,
432 			    "Failed to create request queue.\n");
433 			goto fail;
434 		}
435 		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
436 		vha->req = ha->req_q_map[req];
437 		options |= BIT_1;
438 		for (ques = 1; ques < ha->max_rsp_queues; ques++) {
439 			ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
440 			if (!ret) {
441 				ql_log(ql_log_warn, vha, 0x00e8,
442 				    "Failed to create response queue.\n");
443 				goto fail2;
444 			}
445 		}
446 		ha->flags.cpu_affinity_enabled = 1;
447 		ql_dbg(ql_dbg_multiq, vha, 0xc007,
448 		    "CPU affinity mode enalbed, "
449 		    "no. of response queues:%d no. of request queues:%d.\n",
450 		    ha->max_rsp_queues, ha->max_req_queues);
451 		ql_dbg(ql_dbg_init, vha, 0x00e9,
452 		    "CPU affinity mode enalbed, "
453 		    "no. of response queues:%d no. of request queues:%d.\n",
454 		    ha->max_rsp_queues, ha->max_req_queues);
455 	}
456 	return 0;
457 fail2:
458 	qla25xx_delete_queues(vha);
459 	destroy_workqueue(ha->wq);
460 	ha->wq = NULL;
461 	vha->req = ha->req_q_map[0];
462 fail:
463 	ha->mqenable = 0;
464 	kfree(ha->req_q_map);
465 	kfree(ha->rsp_q_map);
466 	ha->max_req_queues = ha->max_rsp_queues = 1;
467 	return 1;
468 }
469 
470 static char *
471 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
472 {
473 	struct qla_hw_data *ha = vha->hw;
474 	static char *pci_bus_modes[] = {
475 		"33", "66", "100", "133",
476 	};
477 	uint16_t pci_bus;
478 
479 	strcpy(str, "PCI");
480 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
481 	if (pci_bus) {
482 		strcat(str, "-X (");
483 		strcat(str, pci_bus_modes[pci_bus]);
484 	} else {
485 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
486 		strcat(str, " (");
487 		strcat(str, pci_bus_modes[pci_bus]);
488 	}
489 	strcat(str, " MHz)");
490 
491 	return (str);
492 }
493 
494 static char *
495 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
496 {
497 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
498 	struct qla_hw_data *ha = vha->hw;
499 	uint32_t pci_bus;
500 
501 	if (pci_is_pcie(ha->pdev)) {
502 		char lwstr[6];
503 		uint32_t lstat, lspeed, lwidth;
504 
505 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
506 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
507 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
508 
509 		strcpy(str, "PCIe (");
510 		switch (lspeed) {
511 		case 1:
512 			strcat(str, "2.5GT/s ");
513 			break;
514 		case 2:
515 			strcat(str, "5.0GT/s ");
516 			break;
517 		case 3:
518 			strcat(str, "8.0GT/s ");
519 			break;
520 		default:
521 			strcat(str, "<unknown> ");
522 			break;
523 		}
524 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
525 		strcat(str, lwstr);
526 
527 		return str;
528 	}
529 
530 	strcpy(str, "PCI");
531 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
532 	if (pci_bus == 0 || pci_bus == 8) {
533 		strcat(str, " (");
534 		strcat(str, pci_bus_modes[pci_bus >> 3]);
535 	} else {
536 		strcat(str, "-X ");
537 		if (pci_bus & BIT_2)
538 			strcat(str, "Mode 2");
539 		else
540 			strcat(str, "Mode 1");
541 		strcat(str, " (");
542 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
543 	}
544 	strcat(str, " MHz)");
545 
546 	return str;
547 }
548 
549 static char *
550 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
551 {
552 	char un_str[10];
553 	struct qla_hw_data *ha = vha->hw;
554 
555 	sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
556 	    ha->fw_minor_version,
557 	    ha->fw_subminor_version);
558 
559 	if (ha->fw_attributes & BIT_9) {
560 		strcat(str, "FLX");
561 		return (str);
562 	}
563 
564 	switch (ha->fw_attributes & 0xFF) {
565 	case 0x7:
566 		strcat(str, "EF");
567 		break;
568 	case 0x17:
569 		strcat(str, "TP");
570 		break;
571 	case 0x37:
572 		strcat(str, "IP");
573 		break;
574 	case 0x77:
575 		strcat(str, "VI");
576 		break;
577 	default:
578 		sprintf(un_str, "(%x)", ha->fw_attributes);
579 		strcat(str, un_str);
580 		break;
581 	}
582 	if (ha->fw_attributes & 0x100)
583 		strcat(str, "X");
584 
585 	return (str);
586 }
587 
588 static char *
589 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
590 {
591 	struct qla_hw_data *ha = vha->hw;
592 
593 	sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
594 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
595 	return str;
596 }
597 
598 void
599 qla2x00_sp_free_dma(void *vha, void *ptr)
600 {
601 	srb_t *sp = (srb_t *)ptr;
602 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
603 	struct qla_hw_data *ha = sp->fcport->vha->hw;
604 	void *ctx = GET_CMD_CTX_SP(sp);
605 
606 	if (sp->flags & SRB_DMA_VALID) {
607 		scsi_dma_unmap(cmd);
608 		sp->flags &= ~SRB_DMA_VALID;
609 	}
610 
611 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
612 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
613 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
614 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
615 	}
616 
617 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
618 		/* List assured to be having elements */
619 		qla2x00_clean_dsd_pool(ha, sp);
620 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
621 	}
622 
623 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
624 		dma_pool_free(ha->dl_dma_pool, ctx,
625 		    ((struct crc_context *)ctx)->crc_ctx_dma);
626 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
627 	}
628 
629 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
630 		struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
631 
632 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
633 			ctx1->fcp_cmnd_dma);
634 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
635 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
636 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
637 		mempool_free(ctx1, ha->ctx_mempool);
638 		ctx1 = NULL;
639 	}
640 
641 	CMD_SP(cmd) = NULL;
642 	qla2x00_rel_sp(sp->fcport->vha, sp);
643 }
644 
645 static void
646 qla2x00_sp_compl(void *data, void *ptr, int res)
647 {
648 	struct qla_hw_data *ha = (struct qla_hw_data *)data;
649 	srb_t *sp = (srb_t *)ptr;
650 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
651 
652 	cmd->result = res;
653 
654 	if (atomic_read(&sp->ref_count) == 0) {
655 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
656 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
657 		    sp, GET_CMD_SP(sp));
658 		if (ql2xextended_error_logging & ql_dbg_io)
659 			BUG();
660 		return;
661 	}
662 	if (!atomic_dec_and_test(&sp->ref_count))
663 		return;
664 
665 	qla2x00_sp_free_dma(ha, sp);
666 	cmd->scsi_done(cmd);
667 }
668 
669 /* If we are SP1 here, we need to still take and release the host_lock as SP1
670  * does not have the changes necessary to avoid taking host->host_lock.
671  */
672 static int
673 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
674 {
675 	scsi_qla_host_t *vha = shost_priv(host);
676 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
677 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
678 	struct qla_hw_data *ha = vha->hw;
679 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
680 	srb_t *sp;
681 	int rval;
682 
683 	if (ha->flags.eeh_busy) {
684 		if (ha->flags.pci_channel_io_perm_failure) {
685 			ql_dbg(ql_dbg_aer, vha, 0x9010,
686 			    "PCI Channel IO permanent failure, exiting "
687 			    "cmd=%p.\n", cmd);
688 			cmd->result = DID_NO_CONNECT << 16;
689 		} else {
690 			ql_dbg(ql_dbg_aer, vha, 0x9011,
691 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
692 			cmd->result = DID_REQUEUE << 16;
693 		}
694 		goto qc24_fail_command;
695 	}
696 
697 	rval = fc_remote_port_chkready(rport);
698 	if (rval) {
699 		cmd->result = rval;
700 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
701 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
702 		    cmd, rval);
703 		goto qc24_fail_command;
704 	}
705 
706 	if (!vha->flags.difdix_supported &&
707 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
708 			ql_dbg(ql_dbg_io, vha, 0x3004,
709 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
710 			    cmd);
711 			cmd->result = DID_NO_CONNECT << 16;
712 			goto qc24_fail_command;
713 	}
714 
715 	if (!fcport) {
716 		cmd->result = DID_NO_CONNECT << 16;
717 		goto qc24_fail_command;
718 	}
719 
720 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
721 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
722 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
723 			ql_dbg(ql_dbg_io, vha, 0x3005,
724 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
725 			    atomic_read(&fcport->state),
726 			    atomic_read(&base_vha->loop_state));
727 			cmd->result = DID_NO_CONNECT << 16;
728 			goto qc24_fail_command;
729 		}
730 		goto qc24_target_busy;
731 	}
732 
733 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
734 	if (!sp)
735 		goto qc24_host_busy;
736 
737 	sp->u.scmd.cmd = cmd;
738 	sp->type = SRB_SCSI_CMD;
739 	atomic_set(&sp->ref_count, 1);
740 	CMD_SP(cmd) = (void *)sp;
741 	sp->free = qla2x00_sp_free_dma;
742 	sp->done = qla2x00_sp_compl;
743 
744 	rval = ha->isp_ops->start_scsi(sp);
745 	if (rval != QLA_SUCCESS) {
746 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
747 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
748 		goto qc24_host_busy_free_sp;
749 	}
750 
751 	return 0;
752 
753 qc24_host_busy_free_sp:
754 	qla2x00_sp_free_dma(ha, sp);
755 
756 qc24_host_busy:
757 	return SCSI_MLQUEUE_HOST_BUSY;
758 
759 qc24_target_busy:
760 	return SCSI_MLQUEUE_TARGET_BUSY;
761 
762 qc24_fail_command:
763 	cmd->scsi_done(cmd);
764 
765 	return 0;
766 }
767 
768 /*
769  * qla2x00_eh_wait_on_command
770  *    Waits for the command to be returned by the Firmware for some
771  *    max time.
772  *
773  * Input:
774  *    cmd = Scsi Command to wait on.
775  *
776  * Return:
777  *    Not Found : 0
778  *    Found : 1
779  */
780 static int
781 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
782 {
783 #define ABORT_POLLING_PERIOD	1000
784 #define ABORT_WAIT_ITER		((10 * 1000) / (ABORT_POLLING_PERIOD))
785 	unsigned long wait_iter = ABORT_WAIT_ITER;
786 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
787 	struct qla_hw_data *ha = vha->hw;
788 	int ret = QLA_SUCCESS;
789 
790 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
791 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
792 		    "Return:eh_wait.\n");
793 		return ret;
794 	}
795 
796 	while (CMD_SP(cmd) && wait_iter--) {
797 		msleep(ABORT_POLLING_PERIOD);
798 	}
799 	if (CMD_SP(cmd))
800 		ret = QLA_FUNCTION_FAILED;
801 
802 	return ret;
803 }
804 
805 /*
806  * qla2x00_wait_for_hba_online
807  *    Wait till the HBA is online after going through
808  *    <= MAX_RETRIES_OF_ISP_ABORT  or
809  *    finally HBA is disabled ie marked offline
810  *
811  * Input:
812  *     ha - pointer to host adapter structure
813  *
814  * Note:
815  *    Does context switching-Release SPIN_LOCK
816  *    (if any) before calling this routine.
817  *
818  * Return:
819  *    Success (Adapter is online) : 0
820  *    Failed  (Adapter is offline/disabled) : 1
821  */
822 int
823 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
824 {
825 	int		return_status;
826 	unsigned long	wait_online;
827 	struct qla_hw_data *ha = vha->hw;
828 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
829 
830 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
831 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
832 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
833 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
834 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
835 
836 		msleep(1000);
837 	}
838 	if (base_vha->flags.online)
839 		return_status = QLA_SUCCESS;
840 	else
841 		return_status = QLA_FUNCTION_FAILED;
842 
843 	return (return_status);
844 }
845 
846 /*
847  * qla2x00_wait_for_reset_ready
848  *    Wait till the HBA is online after going through
849  *    <= MAX_RETRIES_OF_ISP_ABORT  or
850  *    finally HBA is disabled ie marked offline or flash
851  *    operations are in progress.
852  *
853  * Input:
854  *     ha - pointer to host adapter structure
855  *
856  * Note:
857  *    Does context switching-Release SPIN_LOCK
858  *    (if any) before calling this routine.
859  *
860  * Return:
861  *    Success (Adapter is online/no flash ops) : 0
862  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
863  */
864 static int
865 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
866 {
867 	int		return_status;
868 	unsigned long	wait_online;
869 	struct qla_hw_data *ha = vha->hw;
870 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
871 
872 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
873 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
874 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
875 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
876 	    ha->optrom_state != QLA_SWAITING ||
877 	    ha->dpc_active) && time_before(jiffies, wait_online))
878 		msleep(1000);
879 
880 	if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
881 		return_status = QLA_SUCCESS;
882 	else
883 		return_status = QLA_FUNCTION_FAILED;
884 
885 	ql_dbg(ql_dbg_taskm, vha, 0x8019,
886 	    "%s return status=%d.\n", __func__, return_status);
887 
888 	return return_status;
889 }
890 
891 int
892 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
893 {
894 	int		return_status;
895 	unsigned long	wait_reset;
896 	struct qla_hw_data *ha = vha->hw;
897 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
898 
899 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
900 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
901 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
902 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
903 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
904 
905 		msleep(1000);
906 
907 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
908 		    ha->flags.chip_reset_done)
909 			break;
910 	}
911 	if (ha->flags.chip_reset_done)
912 		return_status = QLA_SUCCESS;
913 	else
914 		return_status = QLA_FUNCTION_FAILED;
915 
916 	return return_status;
917 }
918 
919 static void
920 sp_get(struct srb *sp)
921 {
922 	atomic_inc(&sp->ref_count);
923 }
924 
925 /**************************************************************************
926 * qla2xxx_eh_abort
927 *
928 * Description:
929 *    The abort function will abort the specified command.
930 *
931 * Input:
932 *    cmd = Linux SCSI command packet to be aborted.
933 *
934 * Returns:
935 *    Either SUCCESS or FAILED.
936 *
937 * Note:
938 *    Only return FAILED if command not returned by firmware.
939 **************************************************************************/
940 static int
941 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
942 {
943 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
944 	srb_t *sp;
945 	int ret;
946 	unsigned int id, lun;
947 	unsigned long flags;
948 	int wait = 0;
949 	struct qla_hw_data *ha = vha->hw;
950 
951 	if (!CMD_SP(cmd))
952 		return SUCCESS;
953 
954 	ret = fc_block_scsi_eh(cmd);
955 	if (ret != 0)
956 		return ret;
957 	ret = SUCCESS;
958 
959 	id = cmd->device->id;
960 	lun = cmd->device->lun;
961 
962 	spin_lock_irqsave(&ha->hardware_lock, flags);
963 	sp = (srb_t *) CMD_SP(cmd);
964 	if (!sp) {
965 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
966 		return SUCCESS;
967 	}
968 
969 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
970 	    "Aborting from RISC nexus=%ld:%d:%d sp=%p cmd=%p\n",
971 	    vha->host_no, id, lun, sp, cmd);
972 
973 	/* Get a reference to the sp and drop the lock.*/
974 	sp_get(sp);
975 
976 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
977 	if (ha->isp_ops->abort_command(sp)) {
978 		ret = FAILED;
979 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
980 		    "Abort command mbx failed cmd=%p.\n", cmd);
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 	sp->done(ha, sp, 0);
989 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
990 
991 	/* Did the command return during mailbox execution? */
992 	if (ret == FAILED && !CMD_SP(cmd))
993 		ret = SUCCESS;
994 
995 	/* Wait for the command to be returned. */
996 	if (wait) {
997 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
998 			ql_log(ql_log_warn, vha, 0x8006,
999 			    "Abort handler timed out cmd=%p.\n", cmd);
1000 			ret = FAILED;
1001 		}
1002 	}
1003 
1004 	ql_log(ql_log_info, vha, 0x801c,
1005 	    "Abort command issued nexus=%ld:%d:%d --  %d %x.\n",
1006 	    vha->host_no, id, lun, wait, ret);
1007 
1008 	return ret;
1009 }
1010 
1011 int
1012 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1013 	unsigned int l, enum nexus_wait_type type)
1014 {
1015 	int cnt, match, status;
1016 	unsigned long flags;
1017 	struct qla_hw_data *ha = vha->hw;
1018 	struct req_que *req;
1019 	srb_t *sp;
1020 	struct scsi_cmnd *cmd;
1021 
1022 	status = QLA_SUCCESS;
1023 
1024 	spin_lock_irqsave(&ha->hardware_lock, flags);
1025 	req = vha->req;
1026 	for (cnt = 1; status == QLA_SUCCESS &&
1027 		cnt < req->num_outstanding_cmds; cnt++) {
1028 		sp = req->outstanding_cmds[cnt];
1029 		if (!sp)
1030 			continue;
1031 		if (sp->type != SRB_SCSI_CMD)
1032 			continue;
1033 		if (vha->vp_idx != sp->fcport->vha->vp_idx)
1034 			continue;
1035 		match = 0;
1036 		cmd = GET_CMD_SP(sp);
1037 		switch (type) {
1038 		case WAIT_HOST:
1039 			match = 1;
1040 			break;
1041 		case WAIT_TARGET:
1042 			match = cmd->device->id == t;
1043 			break;
1044 		case WAIT_LUN:
1045 			match = (cmd->device->id == t &&
1046 				cmd->device->lun == l);
1047 			break;
1048 		}
1049 		if (!match)
1050 			continue;
1051 
1052 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1053 		status = qla2x00_eh_wait_on_command(cmd);
1054 		spin_lock_irqsave(&ha->hardware_lock, flags);
1055 	}
1056 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1057 
1058 	return status;
1059 }
1060 
1061 static char *reset_errors[] = {
1062 	"HBA not online",
1063 	"HBA not ready",
1064 	"Task management failed",
1065 	"Waiting for command completions",
1066 };
1067 
1068 static int
1069 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1070     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1071 {
1072 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1073 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1074 	int err;
1075 
1076 	if (!fcport) {
1077 		return FAILED;
1078 	}
1079 
1080 	err = fc_block_scsi_eh(cmd);
1081 	if (err != 0)
1082 		return err;
1083 
1084 	ql_log(ql_log_info, vha, 0x8009,
1085 	    "%s RESET ISSUED nexus=%ld:%d:%d cmd=%p.\n", name, vha->host_no,
1086 	    cmd->device->id, cmd->device->lun, cmd);
1087 
1088 	err = 0;
1089 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1090 		ql_log(ql_log_warn, vha, 0x800a,
1091 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1092 		goto eh_reset_failed;
1093 	}
1094 	err = 2;
1095 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1096 		!= QLA_SUCCESS) {
1097 		ql_log(ql_log_warn, vha, 0x800c,
1098 		    "do_reset failed for cmd=%p.\n", cmd);
1099 		goto eh_reset_failed;
1100 	}
1101 	err = 3;
1102 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1103 	    cmd->device->lun, type) != QLA_SUCCESS) {
1104 		ql_log(ql_log_warn, vha, 0x800d,
1105 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1106 		goto eh_reset_failed;
1107 	}
1108 
1109 	ql_log(ql_log_info, vha, 0x800e,
1110 	    "%s RESET SUCCEEDED nexus:%ld:%d:%d cmd=%p.\n", name,
1111 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1112 
1113 	return SUCCESS;
1114 
1115 eh_reset_failed:
1116 	ql_log(ql_log_info, vha, 0x800f,
1117 	    "%s RESET FAILED: %s nexus=%ld:%d:%d cmd=%p.\n", name,
1118 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1119 	    cmd);
1120 	return FAILED;
1121 }
1122 
1123 static int
1124 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1125 {
1126 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1127 	struct qla_hw_data *ha = vha->hw;
1128 
1129 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1130 	    ha->isp_ops->lun_reset);
1131 }
1132 
1133 static int
1134 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1135 {
1136 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1137 	struct qla_hw_data *ha = vha->hw;
1138 
1139 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1140 	    ha->isp_ops->target_reset);
1141 }
1142 
1143 /**************************************************************************
1144 * qla2xxx_eh_bus_reset
1145 *
1146 * Description:
1147 *    The bus reset function will reset the bus and abort any executing
1148 *    commands.
1149 *
1150 * Input:
1151 *    cmd = Linux SCSI command packet of the command that cause the
1152 *          bus reset.
1153 *
1154 * Returns:
1155 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1156 *
1157 **************************************************************************/
1158 static int
1159 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1160 {
1161 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1162 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1163 	int ret = FAILED;
1164 	unsigned int id, lun;
1165 
1166 	id = cmd->device->id;
1167 	lun = cmd->device->lun;
1168 
1169 	if (!fcport) {
1170 		return ret;
1171 	}
1172 
1173 	ret = fc_block_scsi_eh(cmd);
1174 	if (ret != 0)
1175 		return ret;
1176 	ret = FAILED;
1177 
1178 	ql_log(ql_log_info, vha, 0x8012,
1179 	    "BUS RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
1180 
1181 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1182 		ql_log(ql_log_fatal, vha, 0x8013,
1183 		    "Wait for hba online failed board disabled.\n");
1184 		goto eh_bus_reset_done;
1185 	}
1186 
1187 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1188 		ret = SUCCESS;
1189 
1190 	if (ret == FAILED)
1191 		goto eh_bus_reset_done;
1192 
1193 	/* Flush outstanding commands. */
1194 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1195 	    QLA_SUCCESS) {
1196 		ql_log(ql_log_warn, vha, 0x8014,
1197 		    "Wait for pending commands failed.\n");
1198 		ret = FAILED;
1199 	}
1200 
1201 eh_bus_reset_done:
1202 	ql_log(ql_log_warn, vha, 0x802b,
1203 	    "BUS RESET %s nexus=%ld:%d:%d.\n",
1204 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1205 
1206 	return ret;
1207 }
1208 
1209 /**************************************************************************
1210 * qla2xxx_eh_host_reset
1211 *
1212 * Description:
1213 *    The reset function will reset the Adapter.
1214 *
1215 * Input:
1216 *      cmd = Linux SCSI command packet of the command that cause the
1217 *            adapter reset.
1218 *
1219 * Returns:
1220 *      Either SUCCESS or FAILED.
1221 *
1222 * Note:
1223 **************************************************************************/
1224 static int
1225 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1226 {
1227 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1228 	struct qla_hw_data *ha = vha->hw;
1229 	int ret = FAILED;
1230 	unsigned int id, lun;
1231 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1232 
1233 	id = cmd->device->id;
1234 	lun = cmd->device->lun;
1235 
1236 	ql_log(ql_log_info, vha, 0x8018,
1237 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
1238 
1239 	if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1240 		goto eh_host_reset_lock;
1241 
1242 	if (vha != base_vha) {
1243 		if (qla2x00_vp_abort_isp(vha))
1244 			goto eh_host_reset_lock;
1245 	} else {
1246 		if (IS_P3P_TYPE(vha->hw)) {
1247 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1248 				/* Ctx reset success */
1249 				ret = SUCCESS;
1250 				goto eh_host_reset_lock;
1251 			}
1252 			/* fall thru if ctx reset failed */
1253 		}
1254 		if (ha->wq)
1255 			flush_workqueue(ha->wq);
1256 
1257 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1258 		if (ha->isp_ops->abort_isp(base_vha)) {
1259 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1260 			/* failed. schedule dpc to try */
1261 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1262 
1263 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1264 				ql_log(ql_log_warn, vha, 0x802a,
1265 				    "wait for hba online failed.\n");
1266 				goto eh_host_reset_lock;
1267 			}
1268 		}
1269 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1270 	}
1271 
1272 	/* Waiting for command to be returned to OS.*/
1273 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1274 		QLA_SUCCESS)
1275 		ret = SUCCESS;
1276 
1277 eh_host_reset_lock:
1278 	ql_log(ql_log_info, vha, 0x8017,
1279 	    "ADAPTER RESET %s nexus=%ld:%d:%d.\n",
1280 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1281 
1282 	return ret;
1283 }
1284 
1285 /*
1286 * qla2x00_loop_reset
1287 *      Issue loop reset.
1288 *
1289 * Input:
1290 *      ha = adapter block pointer.
1291 *
1292 * Returns:
1293 *      0 = success
1294 */
1295 int
1296 qla2x00_loop_reset(scsi_qla_host_t *vha)
1297 {
1298 	int ret;
1299 	struct fc_port *fcport;
1300 	struct qla_hw_data *ha = vha->hw;
1301 
1302 	if (IS_QLAFX00(ha)) {
1303 		return qlafx00_loop_reset(vha);
1304 	}
1305 
1306 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1307 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1308 			if (fcport->port_type != FCT_TARGET)
1309 				continue;
1310 
1311 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1312 			if (ret != QLA_SUCCESS) {
1313 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1314 				    "Bus Reset failed: Reset=%d "
1315 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1316 			}
1317 		}
1318 	}
1319 
1320 
1321 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1322 		atomic_set(&vha->loop_state, LOOP_DOWN);
1323 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1324 		qla2x00_mark_all_devices_lost(vha, 0);
1325 		ret = qla2x00_full_login_lip(vha);
1326 		if (ret != QLA_SUCCESS) {
1327 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1328 			    "full_login_lip=%d.\n", ret);
1329 		}
1330 	}
1331 
1332 	if (ha->flags.enable_lip_reset) {
1333 		ret = qla2x00_lip_reset(vha);
1334 		if (ret != QLA_SUCCESS)
1335 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1336 			    "lip_reset failed (%d).\n", ret);
1337 	}
1338 
1339 	/* Issue marker command only when we are going to start the I/O */
1340 	vha->marker_needed = 1;
1341 
1342 	return QLA_SUCCESS;
1343 }
1344 
1345 void
1346 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1347 {
1348 	int que, cnt;
1349 	unsigned long flags;
1350 	srb_t *sp;
1351 	struct qla_hw_data *ha = vha->hw;
1352 	struct req_que *req;
1353 
1354 	spin_lock_irqsave(&ha->hardware_lock, flags);
1355 	for (que = 0; que < ha->max_req_queues; que++) {
1356 		req = ha->req_q_map[que];
1357 		if (!req)
1358 			continue;
1359 		if (!req->outstanding_cmds)
1360 			continue;
1361 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1362 			sp = req->outstanding_cmds[cnt];
1363 			if (sp) {
1364 				req->outstanding_cmds[cnt] = NULL;
1365 				sp->done(vha, sp, res);
1366 			}
1367 		}
1368 	}
1369 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1370 }
1371 
1372 static int
1373 qla2xxx_slave_alloc(struct scsi_device *sdev)
1374 {
1375 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1376 
1377 	if (!rport || fc_remote_port_chkready(rport))
1378 		return -ENXIO;
1379 
1380 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1381 
1382 	return 0;
1383 }
1384 
1385 static int
1386 qla2xxx_slave_configure(struct scsi_device *sdev)
1387 {
1388 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1389 	struct req_que *req = vha->req;
1390 
1391 	if (IS_T10_PI_CAPABLE(vha->hw))
1392 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1393 
1394 	if (sdev->tagged_supported)
1395 		scsi_activate_tcq(sdev, req->max_q_depth);
1396 	else
1397 		scsi_deactivate_tcq(sdev, req->max_q_depth);
1398 	return 0;
1399 }
1400 
1401 static void
1402 qla2xxx_slave_destroy(struct scsi_device *sdev)
1403 {
1404 	sdev->hostdata = NULL;
1405 }
1406 
1407 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1408 {
1409 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1410 
1411 	if (!scsi_track_queue_full(sdev, qdepth))
1412 		return;
1413 
1414 	ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1415 	    "Queue depth adjusted-down to %d for nexus=%ld:%d:%d.\n",
1416 	    sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1417 }
1418 
1419 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1420 {
1421 	fc_port_t *fcport = sdev->hostdata;
1422 	struct scsi_qla_host *vha = fcport->vha;
1423 	struct req_que *req = NULL;
1424 
1425 	req = vha->req;
1426 	if (!req)
1427 		return;
1428 
1429 	if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1430 		return;
1431 
1432 	if (sdev->ordered_tags)
1433 		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1434 	else
1435 		scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1436 
1437 	ql_dbg(ql_dbg_io, vha, 0x302a,
1438 	    "Queue depth adjusted-up to %d for nexus=%ld:%d:%d.\n",
1439 	    sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1440 }
1441 
1442 static int
1443 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1444 {
1445 	switch (reason) {
1446 	case SCSI_QDEPTH_DEFAULT:
1447 		scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1448 		break;
1449 	case SCSI_QDEPTH_QFULL:
1450 		qla2x00_handle_queue_full(sdev, qdepth);
1451 		break;
1452 	case SCSI_QDEPTH_RAMP_UP:
1453 		qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1454 		break;
1455 	default:
1456 		return -EOPNOTSUPP;
1457 	}
1458 
1459 	return sdev->queue_depth;
1460 }
1461 
1462 static int
1463 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1464 {
1465 	if (sdev->tagged_supported) {
1466 		scsi_set_tag_type(sdev, tag_type);
1467 		if (tag_type)
1468 			scsi_activate_tcq(sdev, sdev->queue_depth);
1469 		else
1470 			scsi_deactivate_tcq(sdev, sdev->queue_depth);
1471 	} else
1472 		tag_type = 0;
1473 
1474 	return tag_type;
1475 }
1476 
1477 /**
1478  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1479  * @ha: HA context
1480  *
1481  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1482  * supported addressing method.
1483  */
1484 static void
1485 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1486 {
1487 	/* Assume a 32bit DMA mask. */
1488 	ha->flags.enable_64bit_addressing = 0;
1489 
1490 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1491 		/* Any upper-dword bits set? */
1492 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1493 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1494 			/* Ok, a 64bit DMA mask is applicable. */
1495 			ha->flags.enable_64bit_addressing = 1;
1496 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1497 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1498 			return;
1499 		}
1500 	}
1501 
1502 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1503 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1504 }
1505 
1506 static void
1507 qla2x00_enable_intrs(struct qla_hw_data *ha)
1508 {
1509 	unsigned long flags = 0;
1510 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1511 
1512 	spin_lock_irqsave(&ha->hardware_lock, flags);
1513 	ha->interrupts_on = 1;
1514 	/* enable risc and host interrupts */
1515 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1516 	RD_REG_WORD(&reg->ictrl);
1517 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1518 
1519 }
1520 
1521 static void
1522 qla2x00_disable_intrs(struct qla_hw_data *ha)
1523 {
1524 	unsigned long flags = 0;
1525 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1526 
1527 	spin_lock_irqsave(&ha->hardware_lock, flags);
1528 	ha->interrupts_on = 0;
1529 	/* disable risc and host interrupts */
1530 	WRT_REG_WORD(&reg->ictrl, 0);
1531 	RD_REG_WORD(&reg->ictrl);
1532 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1533 }
1534 
1535 static void
1536 qla24xx_enable_intrs(struct qla_hw_data *ha)
1537 {
1538 	unsigned long flags = 0;
1539 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1540 
1541 	spin_lock_irqsave(&ha->hardware_lock, flags);
1542 	ha->interrupts_on = 1;
1543 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1544 	RD_REG_DWORD(&reg->ictrl);
1545 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1546 }
1547 
1548 static void
1549 qla24xx_disable_intrs(struct qla_hw_data *ha)
1550 {
1551 	unsigned long flags = 0;
1552 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1553 
1554 	if (IS_NOPOLLING_TYPE(ha))
1555 		return;
1556 	spin_lock_irqsave(&ha->hardware_lock, flags);
1557 	ha->interrupts_on = 0;
1558 	WRT_REG_DWORD(&reg->ictrl, 0);
1559 	RD_REG_DWORD(&reg->ictrl);
1560 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1561 }
1562 
1563 static int
1564 qla2x00_iospace_config(struct qla_hw_data *ha)
1565 {
1566 	resource_size_t pio;
1567 	uint16_t msix;
1568 	int cpus;
1569 
1570 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1571 	    QLA2XXX_DRIVER_NAME)) {
1572 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1573 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1574 		    pci_name(ha->pdev));
1575 		goto iospace_error_exit;
1576 	}
1577 	if (!(ha->bars & 1))
1578 		goto skip_pio;
1579 
1580 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1581 	pio = pci_resource_start(ha->pdev, 0);
1582 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1583 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1584 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1585 			    "Invalid pci I/O region size (%s).\n",
1586 			    pci_name(ha->pdev));
1587 			pio = 0;
1588 		}
1589 	} else {
1590 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1591 		    "Region #0 no a PIO resource (%s).\n",
1592 		    pci_name(ha->pdev));
1593 		pio = 0;
1594 	}
1595 	ha->pio_address = pio;
1596 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1597 	    "PIO address=%llu.\n",
1598 	    (unsigned long long)ha->pio_address);
1599 
1600 skip_pio:
1601 	/* Use MMIO operations for all accesses. */
1602 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1603 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1604 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1605 		    pci_name(ha->pdev));
1606 		goto iospace_error_exit;
1607 	}
1608 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1609 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1610 		    "Invalid PCI mem region size (%s), aborting.\n",
1611 		    pci_name(ha->pdev));
1612 		goto iospace_error_exit;
1613 	}
1614 
1615 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1616 	if (!ha->iobase) {
1617 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1618 		    "Cannot remap MMIO (%s), aborting.\n",
1619 		    pci_name(ha->pdev));
1620 		goto iospace_error_exit;
1621 	}
1622 
1623 	/* Determine queue resources */
1624 	ha->max_req_queues = ha->max_rsp_queues = 1;
1625 	if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1626 		(ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1627 		(!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1628 		goto mqiobase_exit;
1629 
1630 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1631 			pci_resource_len(ha->pdev, 3));
1632 	if (ha->mqiobase) {
1633 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1634 		    "MQIO Base=%p.\n", ha->mqiobase);
1635 		/* Read MSIX vector size of the board */
1636 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1637 		ha->msix_count = msix;
1638 		/* Max queues are bounded by available msix vectors */
1639 		/* queue 0 uses two msix vectors */
1640 		if (ql2xmultique_tag) {
1641 			cpus = num_online_cpus();
1642 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1643 				(cpus + 1) : (ha->msix_count - 1);
1644 			ha->max_req_queues = 2;
1645 		} else if (ql2xmaxqueues > 1) {
1646 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1647 			    QLA_MQ_SIZE : ql2xmaxqueues;
1648 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1649 			    "QoS mode set, max no of request queues:%d.\n",
1650 			    ha->max_req_queues);
1651 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1652 			    "QoS mode set, max no of request queues:%d.\n",
1653 			    ha->max_req_queues);
1654 		}
1655 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1656 		    "MSI-X vector count: %d.\n", msix);
1657 	} else
1658 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1659 		    "BAR 3 not enabled.\n");
1660 
1661 mqiobase_exit:
1662 	ha->msix_count = ha->max_rsp_queues + 1;
1663 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1664 	    "MSIX Count:%d.\n", ha->msix_count);
1665 	return (0);
1666 
1667 iospace_error_exit:
1668 	return (-ENOMEM);
1669 }
1670 
1671 
1672 static int
1673 qla83xx_iospace_config(struct qla_hw_data *ha)
1674 {
1675 	uint16_t msix;
1676 	int cpus;
1677 
1678 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1679 	    QLA2XXX_DRIVER_NAME)) {
1680 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1681 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1682 		    pci_name(ha->pdev));
1683 
1684 		goto iospace_error_exit;
1685 	}
1686 
1687 	/* Use MMIO operations for all accesses. */
1688 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1689 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1690 		    "Invalid pci I/O region size (%s).\n",
1691 		    pci_name(ha->pdev));
1692 		goto iospace_error_exit;
1693 	}
1694 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1695 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1696 		    "Invalid PCI mem region size (%s), aborting\n",
1697 			pci_name(ha->pdev));
1698 		goto iospace_error_exit;
1699 	}
1700 
1701 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1702 	if (!ha->iobase) {
1703 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1704 		    "Cannot remap MMIO (%s), aborting.\n",
1705 		    pci_name(ha->pdev));
1706 		goto iospace_error_exit;
1707 	}
1708 
1709 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1710 	/* 83XX 26XX always use MQ type access for queues
1711 	 * - mbar 2, a.k.a region 4 */
1712 	ha->max_req_queues = ha->max_rsp_queues = 1;
1713 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1714 			pci_resource_len(ha->pdev, 4));
1715 
1716 	if (!ha->mqiobase) {
1717 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1718 		    "BAR2/region4 not enabled\n");
1719 		goto mqiobase_exit;
1720 	}
1721 
1722 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1723 			pci_resource_len(ha->pdev, 2));
1724 	if (ha->msixbase) {
1725 		/* Read MSIX vector size of the board */
1726 		pci_read_config_word(ha->pdev,
1727 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
1728 		ha->msix_count = msix;
1729 		/* Max queues are bounded by available msix vectors */
1730 		/* queue 0 uses two msix vectors */
1731 		if (ql2xmultique_tag) {
1732 			cpus = num_online_cpus();
1733 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1734 				(cpus + 1) : (ha->msix_count - 1);
1735 			ha->max_req_queues = 2;
1736 		} else if (ql2xmaxqueues > 1) {
1737 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1738 						QLA_MQ_SIZE : ql2xmaxqueues;
1739 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1740 			    "QoS mode set, max no of request queues:%d.\n",
1741 			    ha->max_req_queues);
1742 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1743 			    "QoS mode set, max no of request queues:%d.\n",
1744 			    ha->max_req_queues);
1745 		}
1746 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1747 		    "MSI-X vector count: %d.\n", msix);
1748 	} else
1749 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1750 		    "BAR 1 not enabled.\n");
1751 
1752 mqiobase_exit:
1753 	ha->msix_count = ha->max_rsp_queues + 1;
1754 
1755 	qlt_83xx_iospace_config(ha);
1756 
1757 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1758 	    "MSIX Count:%d.\n", ha->msix_count);
1759 	return 0;
1760 
1761 iospace_error_exit:
1762 	return -ENOMEM;
1763 }
1764 
1765 static struct isp_operations qla2100_isp_ops = {
1766 	.pci_config		= qla2100_pci_config,
1767 	.reset_chip		= qla2x00_reset_chip,
1768 	.chip_diag		= qla2x00_chip_diag,
1769 	.config_rings		= qla2x00_config_rings,
1770 	.reset_adapter		= qla2x00_reset_adapter,
1771 	.nvram_config		= qla2x00_nvram_config,
1772 	.update_fw_options	= qla2x00_update_fw_options,
1773 	.load_risc		= qla2x00_load_risc,
1774 	.pci_info_str		= qla2x00_pci_info_str,
1775 	.fw_version_str		= qla2x00_fw_version_str,
1776 	.intr_handler		= qla2100_intr_handler,
1777 	.enable_intrs		= qla2x00_enable_intrs,
1778 	.disable_intrs		= qla2x00_disable_intrs,
1779 	.abort_command		= qla2x00_abort_command,
1780 	.target_reset		= qla2x00_abort_target,
1781 	.lun_reset		= qla2x00_lun_reset,
1782 	.fabric_login		= qla2x00_login_fabric,
1783 	.fabric_logout		= qla2x00_fabric_logout,
1784 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1785 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1786 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1787 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1788 	.read_nvram		= qla2x00_read_nvram_data,
1789 	.write_nvram		= qla2x00_write_nvram_data,
1790 	.fw_dump		= qla2100_fw_dump,
1791 	.beacon_on		= NULL,
1792 	.beacon_off		= NULL,
1793 	.beacon_blink		= NULL,
1794 	.read_optrom		= qla2x00_read_optrom_data,
1795 	.write_optrom		= qla2x00_write_optrom_data,
1796 	.get_flash_version	= qla2x00_get_flash_version,
1797 	.start_scsi		= qla2x00_start_scsi,
1798 	.abort_isp		= qla2x00_abort_isp,
1799 	.iospace_config     	= qla2x00_iospace_config,
1800 	.initialize_adapter	= qla2x00_initialize_adapter,
1801 };
1802 
1803 static struct isp_operations qla2300_isp_ops = {
1804 	.pci_config		= qla2300_pci_config,
1805 	.reset_chip		= qla2x00_reset_chip,
1806 	.chip_diag		= qla2x00_chip_diag,
1807 	.config_rings		= qla2x00_config_rings,
1808 	.reset_adapter		= qla2x00_reset_adapter,
1809 	.nvram_config		= qla2x00_nvram_config,
1810 	.update_fw_options	= qla2x00_update_fw_options,
1811 	.load_risc		= qla2x00_load_risc,
1812 	.pci_info_str		= qla2x00_pci_info_str,
1813 	.fw_version_str		= qla2x00_fw_version_str,
1814 	.intr_handler		= qla2300_intr_handler,
1815 	.enable_intrs		= qla2x00_enable_intrs,
1816 	.disable_intrs		= qla2x00_disable_intrs,
1817 	.abort_command		= qla2x00_abort_command,
1818 	.target_reset		= qla2x00_abort_target,
1819 	.lun_reset		= qla2x00_lun_reset,
1820 	.fabric_login		= qla2x00_login_fabric,
1821 	.fabric_logout		= qla2x00_fabric_logout,
1822 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1823 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1824 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1825 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1826 	.read_nvram		= qla2x00_read_nvram_data,
1827 	.write_nvram		= qla2x00_write_nvram_data,
1828 	.fw_dump		= qla2300_fw_dump,
1829 	.beacon_on		= qla2x00_beacon_on,
1830 	.beacon_off		= qla2x00_beacon_off,
1831 	.beacon_blink		= qla2x00_beacon_blink,
1832 	.read_optrom		= qla2x00_read_optrom_data,
1833 	.write_optrom		= qla2x00_write_optrom_data,
1834 	.get_flash_version	= qla2x00_get_flash_version,
1835 	.start_scsi		= qla2x00_start_scsi,
1836 	.abort_isp		= qla2x00_abort_isp,
1837 	.iospace_config		= qla2x00_iospace_config,
1838 	.initialize_adapter	= qla2x00_initialize_adapter,
1839 };
1840 
1841 static struct isp_operations qla24xx_isp_ops = {
1842 	.pci_config		= qla24xx_pci_config,
1843 	.reset_chip		= qla24xx_reset_chip,
1844 	.chip_diag		= qla24xx_chip_diag,
1845 	.config_rings		= qla24xx_config_rings,
1846 	.reset_adapter		= qla24xx_reset_adapter,
1847 	.nvram_config		= qla24xx_nvram_config,
1848 	.update_fw_options	= qla24xx_update_fw_options,
1849 	.load_risc		= qla24xx_load_risc,
1850 	.pci_info_str		= qla24xx_pci_info_str,
1851 	.fw_version_str		= qla24xx_fw_version_str,
1852 	.intr_handler		= qla24xx_intr_handler,
1853 	.enable_intrs		= qla24xx_enable_intrs,
1854 	.disable_intrs		= qla24xx_disable_intrs,
1855 	.abort_command		= qla24xx_abort_command,
1856 	.target_reset		= qla24xx_abort_target,
1857 	.lun_reset		= qla24xx_lun_reset,
1858 	.fabric_login		= qla24xx_login_fabric,
1859 	.fabric_logout		= qla24xx_fabric_logout,
1860 	.calc_req_entries	= NULL,
1861 	.build_iocbs		= NULL,
1862 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1863 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1864 	.read_nvram		= qla24xx_read_nvram_data,
1865 	.write_nvram		= qla24xx_write_nvram_data,
1866 	.fw_dump		= qla24xx_fw_dump,
1867 	.beacon_on		= qla24xx_beacon_on,
1868 	.beacon_off		= qla24xx_beacon_off,
1869 	.beacon_blink		= qla24xx_beacon_blink,
1870 	.read_optrom		= qla24xx_read_optrom_data,
1871 	.write_optrom		= qla24xx_write_optrom_data,
1872 	.get_flash_version	= qla24xx_get_flash_version,
1873 	.start_scsi		= qla24xx_start_scsi,
1874 	.abort_isp		= qla2x00_abort_isp,
1875 	.iospace_config		= qla2x00_iospace_config,
1876 	.initialize_adapter	= qla2x00_initialize_adapter,
1877 };
1878 
1879 static struct isp_operations qla25xx_isp_ops = {
1880 	.pci_config		= qla25xx_pci_config,
1881 	.reset_chip		= qla24xx_reset_chip,
1882 	.chip_diag		= qla24xx_chip_diag,
1883 	.config_rings		= qla24xx_config_rings,
1884 	.reset_adapter		= qla24xx_reset_adapter,
1885 	.nvram_config		= qla24xx_nvram_config,
1886 	.update_fw_options	= qla24xx_update_fw_options,
1887 	.load_risc		= qla24xx_load_risc,
1888 	.pci_info_str		= qla24xx_pci_info_str,
1889 	.fw_version_str		= qla24xx_fw_version_str,
1890 	.intr_handler		= qla24xx_intr_handler,
1891 	.enable_intrs		= qla24xx_enable_intrs,
1892 	.disable_intrs		= qla24xx_disable_intrs,
1893 	.abort_command		= qla24xx_abort_command,
1894 	.target_reset		= qla24xx_abort_target,
1895 	.lun_reset		= qla24xx_lun_reset,
1896 	.fabric_login		= qla24xx_login_fabric,
1897 	.fabric_logout		= qla24xx_fabric_logout,
1898 	.calc_req_entries	= NULL,
1899 	.build_iocbs		= NULL,
1900 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1901 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1902 	.read_nvram		= qla25xx_read_nvram_data,
1903 	.write_nvram		= qla25xx_write_nvram_data,
1904 	.fw_dump		= qla25xx_fw_dump,
1905 	.beacon_on		= qla24xx_beacon_on,
1906 	.beacon_off		= qla24xx_beacon_off,
1907 	.beacon_blink		= qla24xx_beacon_blink,
1908 	.read_optrom		= qla25xx_read_optrom_data,
1909 	.write_optrom		= qla24xx_write_optrom_data,
1910 	.get_flash_version	= qla24xx_get_flash_version,
1911 	.start_scsi		= qla24xx_dif_start_scsi,
1912 	.abort_isp		= qla2x00_abort_isp,
1913 	.iospace_config		= qla2x00_iospace_config,
1914 	.initialize_adapter	= qla2x00_initialize_adapter,
1915 };
1916 
1917 static struct isp_operations qla81xx_isp_ops = {
1918 	.pci_config		= qla25xx_pci_config,
1919 	.reset_chip		= qla24xx_reset_chip,
1920 	.chip_diag		= qla24xx_chip_diag,
1921 	.config_rings		= qla24xx_config_rings,
1922 	.reset_adapter		= qla24xx_reset_adapter,
1923 	.nvram_config		= qla81xx_nvram_config,
1924 	.update_fw_options	= qla81xx_update_fw_options,
1925 	.load_risc		= qla81xx_load_risc,
1926 	.pci_info_str		= qla24xx_pci_info_str,
1927 	.fw_version_str		= qla24xx_fw_version_str,
1928 	.intr_handler		= qla24xx_intr_handler,
1929 	.enable_intrs		= qla24xx_enable_intrs,
1930 	.disable_intrs		= qla24xx_disable_intrs,
1931 	.abort_command		= qla24xx_abort_command,
1932 	.target_reset		= qla24xx_abort_target,
1933 	.lun_reset		= qla24xx_lun_reset,
1934 	.fabric_login		= qla24xx_login_fabric,
1935 	.fabric_logout		= qla24xx_fabric_logout,
1936 	.calc_req_entries	= NULL,
1937 	.build_iocbs		= NULL,
1938 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1939 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1940 	.read_nvram		= NULL,
1941 	.write_nvram		= NULL,
1942 	.fw_dump		= qla81xx_fw_dump,
1943 	.beacon_on		= qla24xx_beacon_on,
1944 	.beacon_off		= qla24xx_beacon_off,
1945 	.beacon_blink		= qla83xx_beacon_blink,
1946 	.read_optrom		= qla25xx_read_optrom_data,
1947 	.write_optrom		= qla24xx_write_optrom_data,
1948 	.get_flash_version	= qla24xx_get_flash_version,
1949 	.start_scsi		= qla24xx_dif_start_scsi,
1950 	.abort_isp		= qla2x00_abort_isp,
1951 	.iospace_config		= qla2x00_iospace_config,
1952 	.initialize_adapter	= qla2x00_initialize_adapter,
1953 };
1954 
1955 static struct isp_operations qla82xx_isp_ops = {
1956 	.pci_config		= qla82xx_pci_config,
1957 	.reset_chip		= qla82xx_reset_chip,
1958 	.chip_diag		= qla24xx_chip_diag,
1959 	.config_rings		= qla82xx_config_rings,
1960 	.reset_adapter		= qla24xx_reset_adapter,
1961 	.nvram_config		= qla81xx_nvram_config,
1962 	.update_fw_options	= qla24xx_update_fw_options,
1963 	.load_risc		= qla82xx_load_risc,
1964 	.pci_info_str		= qla24xx_pci_info_str,
1965 	.fw_version_str		= qla24xx_fw_version_str,
1966 	.intr_handler		= qla82xx_intr_handler,
1967 	.enable_intrs		= qla82xx_enable_intrs,
1968 	.disable_intrs		= qla82xx_disable_intrs,
1969 	.abort_command		= qla24xx_abort_command,
1970 	.target_reset		= qla24xx_abort_target,
1971 	.lun_reset		= qla24xx_lun_reset,
1972 	.fabric_login		= qla24xx_login_fabric,
1973 	.fabric_logout		= qla24xx_fabric_logout,
1974 	.calc_req_entries	= NULL,
1975 	.build_iocbs		= NULL,
1976 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1977 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1978 	.read_nvram		= qla24xx_read_nvram_data,
1979 	.write_nvram		= qla24xx_write_nvram_data,
1980 	.fw_dump		= qla82xx_fw_dump,
1981 	.beacon_on		= qla82xx_beacon_on,
1982 	.beacon_off		= qla82xx_beacon_off,
1983 	.beacon_blink		= NULL,
1984 	.read_optrom		= qla82xx_read_optrom_data,
1985 	.write_optrom		= qla82xx_write_optrom_data,
1986 	.get_flash_version	= qla82xx_get_flash_version,
1987 	.start_scsi             = qla82xx_start_scsi,
1988 	.abort_isp		= qla82xx_abort_isp,
1989 	.iospace_config     	= qla82xx_iospace_config,
1990 	.initialize_adapter	= qla2x00_initialize_adapter,
1991 };
1992 
1993 static struct isp_operations qla8044_isp_ops = {
1994 	.pci_config		= qla82xx_pci_config,
1995 	.reset_chip		= qla82xx_reset_chip,
1996 	.chip_diag		= qla24xx_chip_diag,
1997 	.config_rings		= qla82xx_config_rings,
1998 	.reset_adapter		= qla24xx_reset_adapter,
1999 	.nvram_config		= qla81xx_nvram_config,
2000 	.update_fw_options	= qla24xx_update_fw_options,
2001 	.load_risc		= qla82xx_load_risc,
2002 	.pci_info_str		= qla24xx_pci_info_str,
2003 	.fw_version_str		= qla24xx_fw_version_str,
2004 	.intr_handler		= qla8044_intr_handler,
2005 	.enable_intrs		= qla82xx_enable_intrs,
2006 	.disable_intrs		= qla82xx_disable_intrs,
2007 	.abort_command		= qla24xx_abort_command,
2008 	.target_reset		= qla24xx_abort_target,
2009 	.lun_reset		= qla24xx_lun_reset,
2010 	.fabric_login		= qla24xx_login_fabric,
2011 	.fabric_logout		= qla24xx_fabric_logout,
2012 	.calc_req_entries	= NULL,
2013 	.build_iocbs		= NULL,
2014 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2015 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2016 	.read_nvram		= NULL,
2017 	.write_nvram		= NULL,
2018 	.fw_dump		= qla8044_fw_dump,
2019 	.beacon_on		= qla82xx_beacon_on,
2020 	.beacon_off		= qla82xx_beacon_off,
2021 	.beacon_blink		= NULL,
2022 	.read_optrom		= qla8044_read_optrom_data,
2023 	.write_optrom		= qla8044_write_optrom_data,
2024 	.get_flash_version	= qla82xx_get_flash_version,
2025 	.start_scsi             = qla82xx_start_scsi,
2026 	.abort_isp		= qla8044_abort_isp,
2027 	.iospace_config		= qla82xx_iospace_config,
2028 	.initialize_adapter	= qla2x00_initialize_adapter,
2029 };
2030 
2031 static struct isp_operations qla83xx_isp_ops = {
2032 	.pci_config		= qla25xx_pci_config,
2033 	.reset_chip		= qla24xx_reset_chip,
2034 	.chip_diag		= qla24xx_chip_diag,
2035 	.config_rings		= qla24xx_config_rings,
2036 	.reset_adapter		= qla24xx_reset_adapter,
2037 	.nvram_config		= qla81xx_nvram_config,
2038 	.update_fw_options	= qla81xx_update_fw_options,
2039 	.load_risc		= qla81xx_load_risc,
2040 	.pci_info_str		= qla24xx_pci_info_str,
2041 	.fw_version_str		= qla24xx_fw_version_str,
2042 	.intr_handler		= qla24xx_intr_handler,
2043 	.enable_intrs		= qla24xx_enable_intrs,
2044 	.disable_intrs		= qla24xx_disable_intrs,
2045 	.abort_command		= qla24xx_abort_command,
2046 	.target_reset		= qla24xx_abort_target,
2047 	.lun_reset		= qla24xx_lun_reset,
2048 	.fabric_login		= qla24xx_login_fabric,
2049 	.fabric_logout		= qla24xx_fabric_logout,
2050 	.calc_req_entries	= NULL,
2051 	.build_iocbs		= NULL,
2052 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2053 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2054 	.read_nvram		= NULL,
2055 	.write_nvram		= NULL,
2056 	.fw_dump		= qla83xx_fw_dump,
2057 	.beacon_on		= qla24xx_beacon_on,
2058 	.beacon_off		= qla24xx_beacon_off,
2059 	.beacon_blink		= qla83xx_beacon_blink,
2060 	.read_optrom		= qla25xx_read_optrom_data,
2061 	.write_optrom		= qla24xx_write_optrom_data,
2062 	.get_flash_version	= qla24xx_get_flash_version,
2063 	.start_scsi		= qla24xx_dif_start_scsi,
2064 	.abort_isp		= qla2x00_abort_isp,
2065 	.iospace_config		= qla83xx_iospace_config,
2066 	.initialize_adapter	= qla2x00_initialize_adapter,
2067 };
2068 
2069 static struct isp_operations qlafx00_isp_ops = {
2070 	.pci_config		= qlafx00_pci_config,
2071 	.reset_chip		= qlafx00_soft_reset,
2072 	.chip_diag		= qlafx00_chip_diag,
2073 	.config_rings		= qlafx00_config_rings,
2074 	.reset_adapter		= qlafx00_soft_reset,
2075 	.nvram_config		= NULL,
2076 	.update_fw_options	= NULL,
2077 	.load_risc		= NULL,
2078 	.pci_info_str		= qlafx00_pci_info_str,
2079 	.fw_version_str		= qlafx00_fw_version_str,
2080 	.intr_handler		= qlafx00_intr_handler,
2081 	.enable_intrs		= qlafx00_enable_intrs,
2082 	.disable_intrs		= qlafx00_disable_intrs,
2083 	.abort_command		= qla24xx_async_abort_command,
2084 	.target_reset		= qlafx00_abort_target,
2085 	.lun_reset		= qlafx00_lun_reset,
2086 	.fabric_login		= NULL,
2087 	.fabric_logout		= NULL,
2088 	.calc_req_entries	= NULL,
2089 	.build_iocbs		= NULL,
2090 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2091 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2092 	.read_nvram		= qla24xx_read_nvram_data,
2093 	.write_nvram		= qla24xx_write_nvram_data,
2094 	.fw_dump		= NULL,
2095 	.beacon_on		= qla24xx_beacon_on,
2096 	.beacon_off		= qla24xx_beacon_off,
2097 	.beacon_blink		= NULL,
2098 	.read_optrom		= qla24xx_read_optrom_data,
2099 	.write_optrom		= qla24xx_write_optrom_data,
2100 	.get_flash_version	= qla24xx_get_flash_version,
2101 	.start_scsi		= qlafx00_start_scsi,
2102 	.abort_isp		= qlafx00_abort_isp,
2103 	.iospace_config		= qlafx00_iospace_config,
2104 	.initialize_adapter	= qlafx00_initialize_adapter,
2105 };
2106 
2107 static struct isp_operations qla27xx_isp_ops = {
2108 	.pci_config		= qla25xx_pci_config,
2109 	.reset_chip		= qla24xx_reset_chip,
2110 	.chip_diag		= qla24xx_chip_diag,
2111 	.config_rings		= qla24xx_config_rings,
2112 	.reset_adapter		= qla24xx_reset_adapter,
2113 	.nvram_config		= qla81xx_nvram_config,
2114 	.update_fw_options	= qla81xx_update_fw_options,
2115 	.load_risc		= qla81xx_load_risc,
2116 	.pci_info_str		= qla24xx_pci_info_str,
2117 	.fw_version_str		= qla24xx_fw_version_str,
2118 	.intr_handler		= qla24xx_intr_handler,
2119 	.enable_intrs		= qla24xx_enable_intrs,
2120 	.disable_intrs		= qla24xx_disable_intrs,
2121 	.abort_command		= qla24xx_abort_command,
2122 	.target_reset		= qla24xx_abort_target,
2123 	.lun_reset		= qla24xx_lun_reset,
2124 	.fabric_login		= qla24xx_login_fabric,
2125 	.fabric_logout		= qla24xx_fabric_logout,
2126 	.calc_req_entries	= NULL,
2127 	.build_iocbs		= NULL,
2128 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2129 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2130 	.read_nvram		= NULL,
2131 	.write_nvram		= NULL,
2132 	.fw_dump		= qla27xx_fwdump,
2133 	.beacon_on		= qla24xx_beacon_on,
2134 	.beacon_off		= qla24xx_beacon_off,
2135 	.beacon_blink		= qla83xx_beacon_blink,
2136 	.read_optrom		= qla25xx_read_optrom_data,
2137 	.write_optrom		= qla24xx_write_optrom_data,
2138 	.get_flash_version	= qla24xx_get_flash_version,
2139 	.start_scsi		= qla24xx_dif_start_scsi,
2140 	.abort_isp		= qla2x00_abort_isp,
2141 	.iospace_config		= qla83xx_iospace_config,
2142 	.initialize_adapter	= qla2x00_initialize_adapter,
2143 };
2144 
2145 static inline void
2146 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2147 {
2148 	ha->device_type = DT_EXTENDED_IDS;
2149 	switch (ha->pdev->device) {
2150 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2151 		ha->device_type |= DT_ISP2100;
2152 		ha->device_type &= ~DT_EXTENDED_IDS;
2153 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2154 		break;
2155 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2156 		ha->device_type |= DT_ISP2200;
2157 		ha->device_type &= ~DT_EXTENDED_IDS;
2158 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2159 		break;
2160 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2161 		ha->device_type |= DT_ISP2300;
2162 		ha->device_type |= DT_ZIO_SUPPORTED;
2163 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2164 		break;
2165 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2166 		ha->device_type |= DT_ISP2312;
2167 		ha->device_type |= DT_ZIO_SUPPORTED;
2168 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2169 		break;
2170 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2171 		ha->device_type |= DT_ISP2322;
2172 		ha->device_type |= DT_ZIO_SUPPORTED;
2173 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2174 		    ha->pdev->subsystem_device == 0x0170)
2175 			ha->device_type |= DT_OEM_001;
2176 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2177 		break;
2178 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2179 		ha->device_type |= DT_ISP6312;
2180 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2181 		break;
2182 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2183 		ha->device_type |= DT_ISP6322;
2184 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2185 		break;
2186 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2187 		ha->device_type |= DT_ISP2422;
2188 		ha->device_type |= DT_ZIO_SUPPORTED;
2189 		ha->device_type |= DT_FWI2;
2190 		ha->device_type |= DT_IIDMA;
2191 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2192 		break;
2193 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2194 		ha->device_type |= DT_ISP2432;
2195 		ha->device_type |= DT_ZIO_SUPPORTED;
2196 		ha->device_type |= DT_FWI2;
2197 		ha->device_type |= DT_IIDMA;
2198 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2199 		break;
2200 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2201 		ha->device_type |= DT_ISP8432;
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_ISP5422:
2208 		ha->device_type |= DT_ISP5422;
2209 		ha->device_type |= DT_FWI2;
2210 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2211 		break;
2212 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2213 		ha->device_type |= DT_ISP5432;
2214 		ha->device_type |= DT_FWI2;
2215 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2216 		break;
2217 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2218 		ha->device_type |= DT_ISP2532;
2219 		ha->device_type |= DT_ZIO_SUPPORTED;
2220 		ha->device_type |= DT_FWI2;
2221 		ha->device_type |= DT_IIDMA;
2222 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2223 		break;
2224 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2225 		ha->device_type |= DT_ISP8001;
2226 		ha->device_type |= DT_ZIO_SUPPORTED;
2227 		ha->device_type |= DT_FWI2;
2228 		ha->device_type |= DT_IIDMA;
2229 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2230 		break;
2231 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2232 		ha->device_type |= DT_ISP8021;
2233 		ha->device_type |= DT_ZIO_SUPPORTED;
2234 		ha->device_type |= DT_FWI2;
2235 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2236 		/* Initialize 82XX ISP flags */
2237 		qla82xx_init_flags(ha);
2238 		break;
2239 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2240 		ha->device_type |= DT_ISP8044;
2241 		ha->device_type |= DT_ZIO_SUPPORTED;
2242 		ha->device_type |= DT_FWI2;
2243 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2244 		/* Initialize 82XX ISP flags */
2245 		qla82xx_init_flags(ha);
2246 		break;
2247 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2248 		ha->device_type |= DT_ISP2031;
2249 		ha->device_type |= DT_ZIO_SUPPORTED;
2250 		ha->device_type |= DT_FWI2;
2251 		ha->device_type |= DT_IIDMA;
2252 		ha->device_type |= DT_T10_PI;
2253 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2254 		break;
2255 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2256 		ha->device_type |= DT_ISP8031;
2257 		ha->device_type |= DT_ZIO_SUPPORTED;
2258 		ha->device_type |= DT_FWI2;
2259 		ha->device_type |= DT_IIDMA;
2260 		ha->device_type |= DT_T10_PI;
2261 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2262 		break;
2263 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2264 		ha->device_type |= DT_ISPFX00;
2265 		break;
2266 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2267 		ha->device_type |= DT_ISP2071;
2268 		ha->device_type |= DT_ZIO_SUPPORTED;
2269 		ha->device_type |= DT_FWI2;
2270 		ha->device_type |= DT_IIDMA;
2271 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2272 		break;
2273 	}
2274 
2275 	if (IS_QLA82XX(ha))
2276 		ha->port_no = ha->portnum & 1;
2277 	else {
2278 		/* Get adapter physical port no from interrupt pin register. */
2279 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2280 		if (IS_QLA27XX(ha))
2281 			ha->port_no--;
2282 		else
2283 			ha->port_no = !(ha->port_no & 1);
2284 	}
2285 
2286 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2287 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2288 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2289 }
2290 
2291 static void
2292 qla2xxx_scan_start(struct Scsi_Host *shost)
2293 {
2294 	scsi_qla_host_t *vha = shost_priv(shost);
2295 
2296 	if (vha->hw->flags.running_gold_fw)
2297 		return;
2298 
2299 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2300 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2301 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2302 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2303 }
2304 
2305 static int
2306 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2307 {
2308 	scsi_qla_host_t *vha = shost_priv(shost);
2309 
2310 	if (!vha->host)
2311 		return 1;
2312 	if (time > vha->hw->loop_reset_delay * HZ)
2313 		return 1;
2314 
2315 	return atomic_read(&vha->loop_state) == LOOP_READY;
2316 }
2317 
2318 /*
2319  * PCI driver interface
2320  */
2321 static int
2322 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2323 {
2324 	int	ret = -ENODEV;
2325 	struct Scsi_Host *host;
2326 	scsi_qla_host_t *base_vha = NULL;
2327 	struct qla_hw_data *ha;
2328 	char pci_info[30];
2329 	char fw_str[30], wq_name[30];
2330 	struct scsi_host_template *sht;
2331 	int bars, mem_only = 0;
2332 	uint16_t req_length = 0, rsp_length = 0;
2333 	struct req_que *req = NULL;
2334 	struct rsp_que *rsp = NULL;
2335 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2336 	sht = &qla2xxx_driver_template;
2337 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2338 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2339 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2340 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2341 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2342 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2343 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2344 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2345 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2346 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2347 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2348 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2349 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071) {
2350 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2351 		mem_only = 1;
2352 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2353 		    "Mem only adapter.\n");
2354 	}
2355 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2356 	    "Bars=%d.\n", bars);
2357 
2358 	if (mem_only) {
2359 		if (pci_enable_device_mem(pdev))
2360 			goto probe_out;
2361 	} else {
2362 		if (pci_enable_device(pdev))
2363 			goto probe_out;
2364 	}
2365 
2366 	/* This may fail but that's ok */
2367 	pci_enable_pcie_error_reporting(pdev);
2368 
2369 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2370 	if (!ha) {
2371 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2372 		    "Unable to allocate memory for ha.\n");
2373 		goto probe_out;
2374 	}
2375 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2376 	    "Memory allocated for ha=%p.\n", ha);
2377 	ha->pdev = pdev;
2378 	ha->tgt.enable_class_2 = ql2xenableclass2;
2379 
2380 	/* Clear our data area */
2381 	ha->bars = bars;
2382 	ha->mem_only = mem_only;
2383 	spin_lock_init(&ha->hardware_lock);
2384 	spin_lock_init(&ha->vport_slock);
2385 	mutex_init(&ha->selflogin_lock);
2386 	mutex_init(&ha->optrom_mutex);
2387 
2388 	/* Set ISP-type information. */
2389 	qla2x00_set_isp_flags(ha);
2390 
2391 	/* Set EEH reset type to fundamental if required by hba */
2392 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2393 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2394 		pdev->needs_freset = 1;
2395 
2396 	ha->prev_topology = 0;
2397 	ha->init_cb_size = sizeof(init_cb_t);
2398 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2399 	ha->optrom_size = OPTROM_SIZE_2300;
2400 
2401 	/* Assign ISP specific operations. */
2402 	if (IS_QLA2100(ha)) {
2403 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2404 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2405 		req_length = REQUEST_ENTRY_CNT_2100;
2406 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2407 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2408 		ha->gid_list_info_size = 4;
2409 		ha->flash_conf_off = ~0;
2410 		ha->flash_data_off = ~0;
2411 		ha->nvram_conf_off = ~0;
2412 		ha->nvram_data_off = ~0;
2413 		ha->isp_ops = &qla2100_isp_ops;
2414 	} else if (IS_QLA2200(ha)) {
2415 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2416 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2417 		req_length = REQUEST_ENTRY_CNT_2200;
2418 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2419 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2420 		ha->gid_list_info_size = 4;
2421 		ha->flash_conf_off = ~0;
2422 		ha->flash_data_off = ~0;
2423 		ha->nvram_conf_off = ~0;
2424 		ha->nvram_data_off = ~0;
2425 		ha->isp_ops = &qla2100_isp_ops;
2426 	} else if (IS_QLA23XX(ha)) {
2427 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2428 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2429 		req_length = REQUEST_ENTRY_CNT_2200;
2430 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2431 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2432 		ha->gid_list_info_size = 6;
2433 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2434 			ha->optrom_size = OPTROM_SIZE_2322;
2435 		ha->flash_conf_off = ~0;
2436 		ha->flash_data_off = ~0;
2437 		ha->nvram_conf_off = ~0;
2438 		ha->nvram_data_off = ~0;
2439 		ha->isp_ops = &qla2300_isp_ops;
2440 	} else if (IS_QLA24XX_TYPE(ha)) {
2441 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2442 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2443 		req_length = REQUEST_ENTRY_CNT_24XX;
2444 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2445 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2446 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2447 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2448 		ha->gid_list_info_size = 8;
2449 		ha->optrom_size = OPTROM_SIZE_24XX;
2450 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2451 		ha->isp_ops = &qla24xx_isp_ops;
2452 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2453 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2454 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2455 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2456 	} else if (IS_QLA25XX(ha)) {
2457 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2458 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2459 		req_length = REQUEST_ENTRY_CNT_24XX;
2460 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2461 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2462 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2463 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2464 		ha->gid_list_info_size = 8;
2465 		ha->optrom_size = OPTROM_SIZE_25XX;
2466 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2467 		ha->isp_ops = &qla25xx_isp_ops;
2468 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2469 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2470 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2471 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2472 	} else if (IS_QLA81XX(ha)) {
2473 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2474 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2475 		req_length = REQUEST_ENTRY_CNT_24XX;
2476 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2477 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2478 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2479 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2480 		ha->gid_list_info_size = 8;
2481 		ha->optrom_size = OPTROM_SIZE_81XX;
2482 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2483 		ha->isp_ops = &qla81xx_isp_ops;
2484 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2485 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2486 		ha->nvram_conf_off = ~0;
2487 		ha->nvram_data_off = ~0;
2488 	} else if (IS_QLA82XX(ha)) {
2489 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2490 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2491 		req_length = REQUEST_ENTRY_CNT_82XX;
2492 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2493 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2494 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2495 		ha->gid_list_info_size = 8;
2496 		ha->optrom_size = OPTROM_SIZE_82XX;
2497 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2498 		ha->isp_ops = &qla82xx_isp_ops;
2499 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2500 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2501 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2502 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2503 	} else if (IS_QLA8044(ha)) {
2504 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2505 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2506 		req_length = REQUEST_ENTRY_CNT_82XX;
2507 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2508 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2509 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2510 		ha->gid_list_info_size = 8;
2511 		ha->optrom_size = OPTROM_SIZE_83XX;
2512 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2513 		ha->isp_ops = &qla8044_isp_ops;
2514 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2515 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2516 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2517 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2518 	} else if (IS_QLA83XX(ha)) {
2519 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2520 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2521 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2522 		req_length = REQUEST_ENTRY_CNT_24XX;
2523 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2524 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2525 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2526 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2527 		ha->gid_list_info_size = 8;
2528 		ha->optrom_size = OPTROM_SIZE_83XX;
2529 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2530 		ha->isp_ops = &qla83xx_isp_ops;
2531 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2532 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2533 		ha->nvram_conf_off = ~0;
2534 		ha->nvram_data_off = ~0;
2535 	}  else if (IS_QLAFX00(ha)) {
2536 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2537 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2538 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2539 		req_length = REQUEST_ENTRY_CNT_FX00;
2540 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
2541 		ha->isp_ops = &qlafx00_isp_ops;
2542 		ha->port_down_retry_count = 30; /* default value */
2543 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2544 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2545 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2546 		ha->mr.fw_hbt_en = 1;
2547 		ha->mr.host_info_resend = false;
2548 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2549 	} else if (IS_QLA27XX(ha)) {
2550 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2551 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2552 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2553 		req_length = REQUEST_ENTRY_CNT_24XX;
2554 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2555 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2556 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2557 		ha->gid_list_info_size = 8;
2558 		ha->optrom_size = OPTROM_SIZE_83XX;
2559 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2560 		ha->isp_ops = &qla27xx_isp_ops;
2561 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2562 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2563 		ha->nvram_conf_off = ~0;
2564 		ha->nvram_data_off = ~0;
2565 	}
2566 
2567 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2568 	    "mbx_count=%d, req_length=%d, "
2569 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2570 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2571 	    "max_fibre_devices=%d.\n",
2572 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2573 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2574 	    ha->nvram_npiv_size, ha->max_fibre_devices);
2575 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2576 	    "isp_ops=%p, flash_conf_off=%d, "
2577 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2578 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2579 	    ha->nvram_conf_off, ha->nvram_data_off);
2580 
2581 	/* Configure PCI I/O space */
2582 	ret = ha->isp_ops->iospace_config(ha);
2583 	if (ret)
2584 		goto iospace_config_failed;
2585 
2586 	ql_log_pci(ql_log_info, pdev, 0x001d,
2587 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
2588 	    pdev->device, pdev->irq, ha->iobase);
2589 	mutex_init(&ha->vport_lock);
2590 	init_completion(&ha->mbx_cmd_comp);
2591 	complete(&ha->mbx_cmd_comp);
2592 	init_completion(&ha->mbx_intr_comp);
2593 	init_completion(&ha->dcbx_comp);
2594 	init_completion(&ha->lb_portup_comp);
2595 
2596 	set_bit(0, (unsigned long *) ha->vp_idx_map);
2597 
2598 	qla2x00_config_dma_addressing(ha);
2599 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2600 	    "64 Bit addressing is %s.\n",
2601 	    ha->flags.enable_64bit_addressing ? "enable" :
2602 	    "disable");
2603 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2604 	if (ret) {
2605 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
2606 		    "Failed to allocate memory for adapter, aborting.\n");
2607 
2608 		goto probe_hw_failed;
2609 	}
2610 
2611 	req->max_q_depth = MAX_Q_DEPTH;
2612 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2613 		req->max_q_depth = ql2xmaxqdepth;
2614 
2615 
2616 	base_vha = qla2x00_create_host(sht, ha);
2617 	if (!base_vha) {
2618 		ret = -ENOMEM;
2619 		qla2x00_mem_free(ha);
2620 		qla2x00_free_req_que(ha, req);
2621 		qla2x00_free_rsp_que(ha, rsp);
2622 		goto probe_hw_failed;
2623 	}
2624 
2625 	pci_set_drvdata(pdev, base_vha);
2626 
2627 	host = base_vha->host;
2628 	base_vha->req = req;
2629 	if (IS_QLA2XXX_MIDTYPE(ha))
2630 		base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2631 	else
2632 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2633 						base_vha->vp_idx;
2634 
2635 	/* Setup fcport template structure. */
2636 	ha->mr.fcport.vha = base_vha;
2637 	ha->mr.fcport.port_type = FCT_UNKNOWN;
2638 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2639 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2640 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2641 	ha->mr.fcport.scan_state = 1;
2642 
2643 	/* Set the SG table size based on ISP type */
2644 	if (!IS_FWI2_CAPABLE(ha)) {
2645 		if (IS_QLA2100(ha))
2646 			host->sg_tablesize = 32;
2647 	} else {
2648 		if (!IS_QLA82XX(ha))
2649 			host->sg_tablesize = QLA_SG_ALL;
2650 	}
2651 	host->max_id = ha->max_fibre_devices;
2652 	host->cmd_per_lun = 3;
2653 	host->unique_id = host->host_no;
2654 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2655 		host->max_cmd_len = 32;
2656 	else
2657 		host->max_cmd_len = MAX_CMDSZ;
2658 	host->max_channel = MAX_BUSES - 1;
2659 	host->max_lun = ql2xmaxlun;
2660 	host->transportt = qla2xxx_transport_template;
2661 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2662 
2663 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
2664 	    "max_id=%d this_id=%d "
2665 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2666 	    "max_lun=%d transportt=%p, vendor_id=%llu.\n", host->max_id,
2667 	    host->this_id, host->cmd_per_lun, host->unique_id,
2668 	    host->max_cmd_len, host->max_channel, host->max_lun,
2669 	    host->transportt, sht->vendor_id);
2670 
2671 que_init:
2672 	/* Alloc arrays of request and response ring ptrs */
2673 	if (!qla2x00_alloc_queues(ha, req, rsp)) {
2674 		ql_log(ql_log_fatal, base_vha, 0x003d,
2675 		    "Failed to allocate memory for queue pointers..."
2676 		    "aborting.\n");
2677 		goto probe_init_failed;
2678 	}
2679 
2680 	qlt_probe_one_stage1(base_vha, ha);
2681 
2682 	/* Set up the irqs */
2683 	ret = qla2x00_request_irqs(ha, rsp);
2684 	if (ret)
2685 		goto probe_init_failed;
2686 
2687 	pci_save_state(pdev);
2688 
2689 	/* Assign back pointers */
2690 	rsp->req = req;
2691 	req->rsp = rsp;
2692 
2693 	if (IS_QLAFX00(ha)) {
2694 		ha->rsp_q_map[0] = rsp;
2695 		ha->req_q_map[0] = req;
2696 		set_bit(0, ha->req_qid_map);
2697 		set_bit(0, ha->rsp_qid_map);
2698 	}
2699 
2700 	/* FWI2-capable only. */
2701 	req->req_q_in = &ha->iobase->isp24.req_q_in;
2702 	req->req_q_out = &ha->iobase->isp24.req_q_out;
2703 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2704 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2705 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2706 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2707 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2708 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2709 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2710 	}
2711 
2712 	if (IS_QLAFX00(ha)) {
2713 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2714 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2715 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2716 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2717 	}
2718 
2719 	if (IS_P3P_TYPE(ha)) {
2720 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2721 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2722 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2723 	}
2724 
2725 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2726 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2727 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2728 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2729 	    "req->req_q_in=%p req->req_q_out=%p "
2730 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2731 	    req->req_q_in, req->req_q_out,
2732 	    rsp->rsp_q_in, rsp->rsp_q_out);
2733 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
2734 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2735 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2736 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
2737 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2738 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2739 
2740 	if (ha->isp_ops->initialize_adapter(base_vha)) {
2741 		ql_log(ql_log_fatal, base_vha, 0x00d6,
2742 		    "Failed to initialize adapter - Adapter flags %x.\n",
2743 		    base_vha->device_flags);
2744 
2745 		if (IS_QLA82XX(ha)) {
2746 			qla82xx_idc_lock(ha);
2747 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2748 				QLA8XXX_DEV_FAILED);
2749 			qla82xx_idc_unlock(ha);
2750 			ql_log(ql_log_fatal, base_vha, 0x00d7,
2751 			    "HW State: FAILED.\n");
2752 		} else if (IS_QLA8044(ha)) {
2753 			qla8044_idc_lock(ha);
2754 			qla8044_wr_direct(base_vha,
2755 				QLA8044_CRB_DEV_STATE_INDEX,
2756 				QLA8XXX_DEV_FAILED);
2757 			qla8044_idc_unlock(ha);
2758 			ql_log(ql_log_fatal, base_vha, 0x0150,
2759 			    "HW State: FAILED.\n");
2760 		}
2761 
2762 		ret = -ENODEV;
2763 		goto probe_failed;
2764 	}
2765 
2766 	if (IS_QLAFX00(ha))
2767 		host->can_queue = QLAFX00_MAX_CANQUEUE;
2768 	else
2769 		host->can_queue = req->num_outstanding_cmds - 10;
2770 
2771 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
2772 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2773 	    host->can_queue, base_vha->req,
2774 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2775 
2776 	if (ha->mqenable) {
2777 		if (qla25xx_setup_mode(base_vha)) {
2778 			ql_log(ql_log_warn, base_vha, 0x00ec,
2779 			    "Failed to create queues, falling back to single queue mode.\n");
2780 			goto que_init;
2781 		}
2782 	}
2783 
2784 	if (ha->flags.running_gold_fw)
2785 		goto skip_dpc;
2786 
2787 	/*
2788 	 * Startup the kernel thread for this host adapter
2789 	 */
2790 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2791 	    "%s_dpc", base_vha->host_str);
2792 	if (IS_ERR(ha->dpc_thread)) {
2793 		ql_log(ql_log_fatal, base_vha, 0x00ed,
2794 		    "Failed to start DPC thread.\n");
2795 		ret = PTR_ERR(ha->dpc_thread);
2796 		goto probe_failed;
2797 	}
2798 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2799 	    "DPC thread started successfully.\n");
2800 
2801 	/*
2802 	 * If we're not coming up in initiator mode, we might sit for
2803 	 * a while without waking up the dpc thread, which leads to a
2804 	 * stuck process warning.  So just kick the dpc once here and
2805 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2806 	 */
2807 	qla2xxx_wake_dpc(base_vha);
2808 
2809 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2810 
2811 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2812 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2813 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2814 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2815 
2816 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2817 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2818 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2819 		INIT_WORK(&ha->idc_state_handler,
2820 		    qla83xx_idc_state_handler_work);
2821 		INIT_WORK(&ha->nic_core_unrecoverable,
2822 		    qla83xx_nic_core_unrecoverable_work);
2823 	}
2824 
2825 skip_dpc:
2826 	list_add_tail(&base_vha->list, &ha->vp_list);
2827 	base_vha->host->irq = ha->pdev->irq;
2828 
2829 	/* Initialized the timer */
2830 	qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2831 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2832 	    "Started qla2x00_timer with "
2833 	    "interval=%d.\n", WATCH_INTERVAL);
2834 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2835 	    "Detected hba at address=%p.\n",
2836 	    ha);
2837 
2838 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2839 		if (ha->fw_attributes & BIT_4) {
2840 			int prot = 0, guard;
2841 			base_vha->flags.difdix_supported = 1;
2842 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2843 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
2844 			if (ql2xenabledif == 1)
2845 				prot = SHOST_DIX_TYPE0_PROTECTION;
2846 			scsi_host_set_prot(host,
2847 			    prot | SHOST_DIF_TYPE1_PROTECTION
2848 			    | SHOST_DIF_TYPE2_PROTECTION
2849 			    | SHOST_DIF_TYPE3_PROTECTION
2850 			    | SHOST_DIX_TYPE1_PROTECTION
2851 			    | SHOST_DIX_TYPE2_PROTECTION
2852 			    | SHOST_DIX_TYPE3_PROTECTION);
2853 
2854 			guard = SHOST_DIX_GUARD_CRC;
2855 
2856 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2857 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2858 				guard |= SHOST_DIX_GUARD_IP;
2859 
2860 			scsi_host_set_guard(host, guard);
2861 		} else
2862 			base_vha->flags.difdix_supported = 0;
2863 	}
2864 
2865 	ha->isp_ops->enable_intrs(ha);
2866 
2867 	if (IS_QLAFX00(ha)) {
2868 		ret = qlafx00_fx_disc(base_vha,
2869 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2870 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2871 		    QLA_SG_ALL : 128;
2872 	}
2873 
2874 	ret = scsi_add_host(host, &pdev->dev);
2875 	if (ret)
2876 		goto probe_failed;
2877 
2878 	base_vha->flags.init_done = 1;
2879 	base_vha->flags.online = 1;
2880 
2881 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2882 	    "Init done and hba is online.\n");
2883 
2884 	if (qla_ini_mode_enabled(base_vha))
2885 		scsi_scan_host(host);
2886 	else
2887 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
2888 			"skipping scsi_scan_host() for non-initiator port\n");
2889 
2890 	qla2x00_alloc_sysfs_attr(base_vha);
2891 
2892 	if (IS_QLAFX00(ha)) {
2893 		ret = qlafx00_fx_disc(base_vha,
2894 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2895 
2896 		/* Register system information */
2897 		ret =  qlafx00_fx_disc(base_vha,
2898 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2899 	}
2900 
2901 	qla2x00_init_host_attr(base_vha);
2902 
2903 	qla2x00_dfs_setup(base_vha);
2904 
2905 	ql_log(ql_log_info, base_vha, 0x00fb,
2906 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2907 	ql_log(ql_log_info, base_vha, 0x00fc,
2908 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2909 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2910 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2911 	    base_vha->host_no,
2912 	    ha->isp_ops->fw_version_str(base_vha, fw_str));
2913 
2914 	qlt_add_target(ha, base_vha);
2915 
2916 	return 0;
2917 
2918 probe_init_failed:
2919 	qla2x00_free_req_que(ha, req);
2920 	ha->req_q_map[0] = NULL;
2921 	clear_bit(0, ha->req_qid_map);
2922 	qla2x00_free_rsp_que(ha, rsp);
2923 	ha->rsp_q_map[0] = NULL;
2924 	clear_bit(0, ha->rsp_qid_map);
2925 	ha->max_req_queues = ha->max_rsp_queues = 0;
2926 
2927 probe_failed:
2928 	if (base_vha->timer_active)
2929 		qla2x00_stop_timer(base_vha);
2930 	base_vha->flags.online = 0;
2931 	if (ha->dpc_thread) {
2932 		struct task_struct *t = ha->dpc_thread;
2933 
2934 		ha->dpc_thread = NULL;
2935 		kthread_stop(t);
2936 	}
2937 
2938 	qla2x00_free_device(base_vha);
2939 
2940 	scsi_host_put(base_vha->host);
2941 
2942 probe_hw_failed:
2943 	if (IS_QLA82XX(ha)) {
2944 		qla82xx_idc_lock(ha);
2945 		qla82xx_clear_drv_active(ha);
2946 		qla82xx_idc_unlock(ha);
2947 	}
2948 	if (IS_QLA8044(ha)) {
2949 		qla8044_idc_lock(ha);
2950 		qla8044_clear_drv_active(ha);
2951 		qla8044_idc_unlock(ha);
2952 	}
2953 iospace_config_failed:
2954 	if (IS_P3P_TYPE(ha)) {
2955 		if (!ha->nx_pcibase)
2956 			iounmap((device_reg_t *)ha->nx_pcibase);
2957 		if (!ql2xdbwr)
2958 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2959 	} else {
2960 		if (ha->iobase)
2961 			iounmap(ha->iobase);
2962 		if (ha->cregbase)
2963 			iounmap(ha->cregbase);
2964 	}
2965 	pci_release_selected_regions(ha->pdev, ha->bars);
2966 	kfree(ha);
2967 	ha = NULL;
2968 
2969 probe_out:
2970 	pci_disable_device(pdev);
2971 	return ret;
2972 }
2973 
2974 static void
2975 qla2x00_shutdown(struct pci_dev *pdev)
2976 {
2977 	scsi_qla_host_t *vha;
2978 	struct qla_hw_data  *ha;
2979 
2980 	if (!atomic_read(&pdev->enable_cnt))
2981 		return;
2982 
2983 	vha = pci_get_drvdata(pdev);
2984 	ha = vha->hw;
2985 
2986 	/* Notify ISPFX00 firmware */
2987 	if (IS_QLAFX00(ha))
2988 		qlafx00_driver_shutdown(vha, 20);
2989 
2990 	/* Turn-off FCE trace */
2991 	if (ha->flags.fce_enabled) {
2992 		qla2x00_disable_fce_trace(vha, NULL, NULL);
2993 		ha->flags.fce_enabled = 0;
2994 	}
2995 
2996 	/* Turn-off EFT trace */
2997 	if (ha->eft)
2998 		qla2x00_disable_eft_trace(vha);
2999 
3000 	/* Stop currently executing firmware. */
3001 	qla2x00_try_to_stop_firmware(vha);
3002 
3003 	/* Turn adapter off line */
3004 	vha->flags.online = 0;
3005 
3006 	/* turn-off interrupts on the card */
3007 	if (ha->interrupts_on) {
3008 		vha->flags.init_done = 0;
3009 		ha->isp_ops->disable_intrs(ha);
3010 	}
3011 
3012 	qla2x00_free_irqs(vha);
3013 
3014 	qla2x00_free_fw_dump(ha);
3015 }
3016 
3017 /* Deletes all the virtual ports for a given ha */
3018 static void
3019 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3020 {
3021 	struct Scsi_Host *scsi_host;
3022 	scsi_qla_host_t *vha;
3023 	unsigned long flags;
3024 
3025 	mutex_lock(&ha->vport_lock);
3026 	while (ha->cur_vport_count) {
3027 		spin_lock_irqsave(&ha->vport_slock, flags);
3028 
3029 		BUG_ON(base_vha->list.next == &ha->vp_list);
3030 		/* This assumes first entry in ha->vp_list is always base vha */
3031 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3032 		scsi_host = scsi_host_get(vha->host);
3033 
3034 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3035 		mutex_unlock(&ha->vport_lock);
3036 
3037 		fc_vport_terminate(vha->fc_vport);
3038 		scsi_host_put(vha->host);
3039 
3040 		mutex_lock(&ha->vport_lock);
3041 	}
3042 	mutex_unlock(&ha->vport_lock);
3043 }
3044 
3045 /* Stops all deferred work threads */
3046 static void
3047 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3048 {
3049 	/* Flush the work queue and remove it */
3050 	if (ha->wq) {
3051 		flush_workqueue(ha->wq);
3052 		destroy_workqueue(ha->wq);
3053 		ha->wq = NULL;
3054 	}
3055 
3056 	/* Cancel all work and destroy DPC workqueues */
3057 	if (ha->dpc_lp_wq) {
3058 		cancel_work_sync(&ha->idc_aen);
3059 		destroy_workqueue(ha->dpc_lp_wq);
3060 		ha->dpc_lp_wq = NULL;
3061 	}
3062 
3063 	if (ha->dpc_hp_wq) {
3064 		cancel_work_sync(&ha->nic_core_reset);
3065 		cancel_work_sync(&ha->idc_state_handler);
3066 		cancel_work_sync(&ha->nic_core_unrecoverable);
3067 		destroy_workqueue(ha->dpc_hp_wq);
3068 		ha->dpc_hp_wq = NULL;
3069 	}
3070 
3071 	/* Kill the kernel thread for this host */
3072 	if (ha->dpc_thread) {
3073 		struct task_struct *t = ha->dpc_thread;
3074 
3075 		/*
3076 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3077 		 * so we need to zero it out.
3078 		 */
3079 		ha->dpc_thread = NULL;
3080 		kthread_stop(t);
3081 	}
3082 }
3083 
3084 static void
3085 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3086 {
3087 	if (IS_QLA82XX(ha)) {
3088 
3089 		iounmap((device_reg_t *)ha->nx_pcibase);
3090 		if (!ql2xdbwr)
3091 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3092 	} else {
3093 		if (ha->iobase)
3094 			iounmap(ha->iobase);
3095 
3096 		if (ha->cregbase)
3097 			iounmap(ha->cregbase);
3098 
3099 		if (ha->mqiobase)
3100 			iounmap(ha->mqiobase);
3101 
3102 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3103 			iounmap(ha->msixbase);
3104 	}
3105 }
3106 
3107 static void
3108 qla2x00_clear_drv_active(scsi_qla_host_t *vha)
3109 {
3110 	struct qla_hw_data *ha = vha->hw;
3111 
3112 	if (IS_QLA8044(ha)) {
3113 		qla8044_idc_lock(ha);
3114 		qla8044_clear_drv_active(ha);
3115 		qla8044_idc_unlock(ha);
3116 	} else if (IS_QLA82XX(ha)) {
3117 		qla82xx_idc_lock(ha);
3118 		qla82xx_clear_drv_active(ha);
3119 		qla82xx_idc_unlock(ha);
3120 	}
3121 }
3122 
3123 static void
3124 qla2x00_remove_one(struct pci_dev *pdev)
3125 {
3126 	scsi_qla_host_t *base_vha;
3127 	struct qla_hw_data  *ha;
3128 
3129 	/*
3130 	 * If the PCI device is disabled that means that probe failed and any
3131 	 * resources should be have cleaned up on probe exit.
3132 	 */
3133 	if (!atomic_read(&pdev->enable_cnt))
3134 		return;
3135 
3136 	base_vha = pci_get_drvdata(pdev);
3137 	ha = base_vha->hw;
3138 
3139 	set_bit(UNLOADING, &base_vha->dpc_flags);
3140 
3141 	if (IS_QLAFX00(ha))
3142 		qlafx00_driver_shutdown(base_vha, 20);
3143 
3144 	qla2x00_delete_all_vps(ha, base_vha);
3145 
3146 	if (IS_QLA8031(ha)) {
3147 		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3148 		    "Clearing fcoe driver presence.\n");
3149 		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3150 			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3151 			    "Error while clearing DRV-Presence.\n");
3152 	}
3153 
3154 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3155 
3156 	qla2x00_dfs_remove(base_vha);
3157 
3158 	qla84xx_put_chip(base_vha);
3159 
3160 	/* Disable timer */
3161 	if (base_vha->timer_active)
3162 		qla2x00_stop_timer(base_vha);
3163 
3164 	base_vha->flags.online = 0;
3165 
3166 	qla2x00_destroy_deferred_work(ha);
3167 
3168 	qlt_remove_target(ha, base_vha);
3169 
3170 	qla2x00_free_sysfs_attr(base_vha, true);
3171 
3172 	fc_remove_host(base_vha->host);
3173 
3174 	scsi_remove_host(base_vha->host);
3175 
3176 	qla2x00_free_device(base_vha);
3177 
3178 	scsi_host_put(base_vha->host);
3179 
3180 	qla2x00_clear_drv_active(base_vha);
3181 
3182 	qla2x00_unmap_iobases(ha);
3183 
3184 	pci_release_selected_regions(ha->pdev, ha->bars);
3185 	kfree(ha);
3186 	ha = NULL;
3187 
3188 	pci_disable_pcie_error_reporting(pdev);
3189 
3190 	pci_disable_device(pdev);
3191 }
3192 
3193 static void
3194 qla2x00_free_device(scsi_qla_host_t *vha)
3195 {
3196 	struct qla_hw_data *ha = vha->hw;
3197 
3198 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3199 
3200 	/* Disable timer */
3201 	if (vha->timer_active)
3202 		qla2x00_stop_timer(vha);
3203 
3204 	qla25xx_delete_queues(vha);
3205 
3206 	if (ha->flags.fce_enabled)
3207 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3208 
3209 	if (ha->eft)
3210 		qla2x00_disable_eft_trace(vha);
3211 
3212 	/* Stop currently executing firmware. */
3213 	qla2x00_try_to_stop_firmware(vha);
3214 
3215 	vha->flags.online = 0;
3216 
3217 	/* turn-off interrupts on the card */
3218 	if (ha->interrupts_on) {
3219 		vha->flags.init_done = 0;
3220 		ha->isp_ops->disable_intrs(ha);
3221 	}
3222 
3223 	qla2x00_free_irqs(vha);
3224 
3225 	qla2x00_free_fcports(vha);
3226 
3227 	qla2x00_mem_free(ha);
3228 
3229 	qla82xx_md_free(vha);
3230 
3231 	qla2x00_free_queues(ha);
3232 }
3233 
3234 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3235 {
3236 	fc_port_t *fcport, *tfcport;
3237 
3238 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3239 		list_del(&fcport->list);
3240 		qla2x00_clear_loop_id(fcport);
3241 		kfree(fcport);
3242 		fcport = NULL;
3243 	}
3244 }
3245 
3246 static inline void
3247 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3248     int defer)
3249 {
3250 	struct fc_rport *rport;
3251 	scsi_qla_host_t *base_vha;
3252 	unsigned long flags;
3253 
3254 	if (!fcport->rport)
3255 		return;
3256 
3257 	rport = fcport->rport;
3258 	if (defer) {
3259 		base_vha = pci_get_drvdata(vha->hw->pdev);
3260 		spin_lock_irqsave(vha->host->host_lock, flags);
3261 		fcport->drport = rport;
3262 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3263 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3264 		qla2xxx_wake_dpc(base_vha);
3265 	} else {
3266 		fc_remote_port_delete(rport);
3267 		qlt_fc_port_deleted(vha, fcport);
3268 	}
3269 }
3270 
3271 /*
3272  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3273  *
3274  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3275  *
3276  * Return: None.
3277  *
3278  * Context:
3279  */
3280 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3281     int do_login, int defer)
3282 {
3283 	if (IS_QLAFX00(vha->hw)) {
3284 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3285 		qla2x00_schedule_rport_del(vha, fcport, defer);
3286 		return;
3287 	}
3288 
3289 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3290 	    vha->vp_idx == fcport->vha->vp_idx) {
3291 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3292 		qla2x00_schedule_rport_del(vha, fcport, defer);
3293 	}
3294 	/*
3295 	 * We may need to retry the login, so don't change the state of the
3296 	 * port but do the retries.
3297 	 */
3298 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3299 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3300 
3301 	if (!do_login)
3302 		return;
3303 
3304 	if (fcport->login_retry == 0) {
3305 		fcport->login_retry = vha->hw->login_retry_count;
3306 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3307 
3308 		ql_dbg(ql_dbg_disc, vha, 0x2067,
3309 		    "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3310 		    fcport->port_name, fcport->loop_id, fcport->login_retry);
3311 	}
3312 }
3313 
3314 /*
3315  * qla2x00_mark_all_devices_lost
3316  *	Updates fcport state when device goes offline.
3317  *
3318  * Input:
3319  *	ha = adapter block pointer.
3320  *	fcport = port structure pointer.
3321  *
3322  * Return:
3323  *	None.
3324  *
3325  * Context:
3326  */
3327 void
3328 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3329 {
3330 	fc_port_t *fcport;
3331 
3332 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3333 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3334 			continue;
3335 
3336 		/*
3337 		 * No point in marking the device as lost, if the device is
3338 		 * already DEAD.
3339 		 */
3340 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3341 			continue;
3342 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3343 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3344 			if (defer)
3345 				qla2x00_schedule_rport_del(vha, fcport, defer);
3346 			else if (vha->vp_idx == fcport->vha->vp_idx)
3347 				qla2x00_schedule_rport_del(vha, fcport, defer);
3348 		}
3349 	}
3350 }
3351 
3352 /*
3353 * qla2x00_mem_alloc
3354 *      Allocates adapter memory.
3355 *
3356 * Returns:
3357 *      0  = success.
3358 *      !0  = failure.
3359 */
3360 static int
3361 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3362 	struct req_que **req, struct rsp_que **rsp)
3363 {
3364 	char	name[16];
3365 
3366 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3367 		&ha->init_cb_dma, GFP_KERNEL);
3368 	if (!ha->init_cb)
3369 		goto fail;
3370 
3371 	if (qlt_mem_alloc(ha) < 0)
3372 		goto fail_free_init_cb;
3373 
3374 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3375 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3376 	if (!ha->gid_list)
3377 		goto fail_free_tgt_mem;
3378 
3379 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3380 	if (!ha->srb_mempool)
3381 		goto fail_free_gid_list;
3382 
3383 	if (IS_P3P_TYPE(ha)) {
3384 		/* Allocate cache for CT6 Ctx. */
3385 		if (!ctx_cachep) {
3386 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3387 				sizeof(struct ct6_dsd), 0,
3388 				SLAB_HWCACHE_ALIGN, NULL);
3389 			if (!ctx_cachep)
3390 				goto fail_free_gid_list;
3391 		}
3392 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3393 			ctx_cachep);
3394 		if (!ha->ctx_mempool)
3395 			goto fail_free_srb_mempool;
3396 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3397 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3398 		    ctx_cachep, ha->ctx_mempool);
3399 	}
3400 
3401 	/* Get memory for cached NVRAM */
3402 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3403 	if (!ha->nvram)
3404 		goto fail_free_ctx_mempool;
3405 
3406 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3407 		ha->pdev->device);
3408 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3409 		DMA_POOL_SIZE, 8, 0);
3410 	if (!ha->s_dma_pool)
3411 		goto fail_free_nvram;
3412 
3413 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3414 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3415 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3416 
3417 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3418 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3419 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3420 		if (!ha->dl_dma_pool) {
3421 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3422 			    "Failed to allocate memory for dl_dma_pool.\n");
3423 			goto fail_s_dma_pool;
3424 		}
3425 
3426 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3427 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3428 		if (!ha->fcp_cmnd_dma_pool) {
3429 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3430 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3431 			goto fail_dl_dma_pool;
3432 		}
3433 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3434 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3435 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3436 	}
3437 
3438 	/* Allocate memory for SNS commands */
3439 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3440 	/* Get consistent memory allocated for SNS commands */
3441 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3442 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3443 		if (!ha->sns_cmd)
3444 			goto fail_dma_pool;
3445 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3446 		    "sns_cmd: %p.\n", ha->sns_cmd);
3447 	} else {
3448 	/* Get consistent memory allocated for MS IOCB */
3449 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3450 			&ha->ms_iocb_dma);
3451 		if (!ha->ms_iocb)
3452 			goto fail_dma_pool;
3453 	/* Get consistent memory allocated for CT SNS commands */
3454 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3455 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3456 		if (!ha->ct_sns)
3457 			goto fail_free_ms_iocb;
3458 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3459 		    "ms_iocb=%p ct_sns=%p.\n",
3460 		    ha->ms_iocb, ha->ct_sns);
3461 	}
3462 
3463 	/* Allocate memory for request ring */
3464 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3465 	if (!*req) {
3466 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3467 		    "Failed to allocate memory for req.\n");
3468 		goto fail_req;
3469 	}
3470 	(*req)->length = req_len;
3471 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3472 		((*req)->length + 1) * sizeof(request_t),
3473 		&(*req)->dma, GFP_KERNEL);
3474 	if (!(*req)->ring) {
3475 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3476 		    "Failed to allocate memory for req_ring.\n");
3477 		goto fail_req_ring;
3478 	}
3479 	/* Allocate memory for response ring */
3480 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3481 	if (!*rsp) {
3482 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3483 		    "Failed to allocate memory for rsp.\n");
3484 		goto fail_rsp;
3485 	}
3486 	(*rsp)->hw = ha;
3487 	(*rsp)->length = rsp_len;
3488 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3489 		((*rsp)->length + 1) * sizeof(response_t),
3490 		&(*rsp)->dma, GFP_KERNEL);
3491 	if (!(*rsp)->ring) {
3492 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3493 		    "Failed to allocate memory for rsp_ring.\n");
3494 		goto fail_rsp_ring;
3495 	}
3496 	(*req)->rsp = *rsp;
3497 	(*rsp)->req = *req;
3498 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3499 	    "req=%p req->length=%d req->ring=%p rsp=%p "
3500 	    "rsp->length=%d rsp->ring=%p.\n",
3501 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3502 	    (*rsp)->ring);
3503 	/* Allocate memory for NVRAM data for vports */
3504 	if (ha->nvram_npiv_size) {
3505 		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3506 		    ha->nvram_npiv_size, GFP_KERNEL);
3507 		if (!ha->npiv_info) {
3508 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3509 			    "Failed to allocate memory for npiv_info.\n");
3510 			goto fail_npiv_info;
3511 		}
3512 	} else
3513 		ha->npiv_info = NULL;
3514 
3515 	/* Get consistent memory allocated for EX-INIT-CB. */
3516 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3517 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3518 		    &ha->ex_init_cb_dma);
3519 		if (!ha->ex_init_cb)
3520 			goto fail_ex_init_cb;
3521 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3522 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
3523 	}
3524 
3525 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
3526 
3527 	/* Get consistent memory allocated for Async Port-Database. */
3528 	if (!IS_FWI2_CAPABLE(ha)) {
3529 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3530 			&ha->async_pd_dma);
3531 		if (!ha->async_pd)
3532 			goto fail_async_pd;
3533 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3534 		    "async_pd=%p.\n", ha->async_pd);
3535 	}
3536 
3537 	INIT_LIST_HEAD(&ha->vp_list);
3538 
3539 	/* Allocate memory for our loop_id bitmap */
3540 	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3541 	    GFP_KERNEL);
3542 	if (!ha->loop_id_map)
3543 		goto fail_async_pd;
3544 	else {
3545 		qla2x00_set_reserved_loop_ids(ha);
3546 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3547 		    "loop_id_map=%p.\n", ha->loop_id_map);
3548 	}
3549 
3550 	return 0;
3551 
3552 fail_async_pd:
3553 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3554 fail_ex_init_cb:
3555 	kfree(ha->npiv_info);
3556 fail_npiv_info:
3557 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3558 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3559 	(*rsp)->ring = NULL;
3560 	(*rsp)->dma = 0;
3561 fail_rsp_ring:
3562 	kfree(*rsp);
3563 fail_rsp:
3564 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3565 		sizeof(request_t), (*req)->ring, (*req)->dma);
3566 	(*req)->ring = NULL;
3567 	(*req)->dma = 0;
3568 fail_req_ring:
3569 	kfree(*req);
3570 fail_req:
3571 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3572 		ha->ct_sns, ha->ct_sns_dma);
3573 	ha->ct_sns = NULL;
3574 	ha->ct_sns_dma = 0;
3575 fail_free_ms_iocb:
3576 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3577 	ha->ms_iocb = NULL;
3578 	ha->ms_iocb_dma = 0;
3579 fail_dma_pool:
3580 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3581 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3582 		ha->fcp_cmnd_dma_pool = NULL;
3583 	}
3584 fail_dl_dma_pool:
3585 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3586 		dma_pool_destroy(ha->dl_dma_pool);
3587 		ha->dl_dma_pool = NULL;
3588 	}
3589 fail_s_dma_pool:
3590 	dma_pool_destroy(ha->s_dma_pool);
3591 	ha->s_dma_pool = NULL;
3592 fail_free_nvram:
3593 	kfree(ha->nvram);
3594 	ha->nvram = NULL;
3595 fail_free_ctx_mempool:
3596 	mempool_destroy(ha->ctx_mempool);
3597 	ha->ctx_mempool = NULL;
3598 fail_free_srb_mempool:
3599 	mempool_destroy(ha->srb_mempool);
3600 	ha->srb_mempool = NULL;
3601 fail_free_gid_list:
3602 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3603 	ha->gid_list,
3604 	ha->gid_list_dma);
3605 	ha->gid_list = NULL;
3606 	ha->gid_list_dma = 0;
3607 fail_free_tgt_mem:
3608 	qlt_mem_free(ha);
3609 fail_free_init_cb:
3610 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3611 	ha->init_cb_dma);
3612 	ha->init_cb = NULL;
3613 	ha->init_cb_dma = 0;
3614 fail:
3615 	ql_log(ql_log_fatal, NULL, 0x0030,
3616 	    "Memory allocation failure.\n");
3617 	return -ENOMEM;
3618 }
3619 
3620 /*
3621 * qla2x00_free_fw_dump
3622 *	Frees fw dump stuff.
3623 *
3624 * Input:
3625 *	ha = adapter block pointer
3626 */
3627 static void
3628 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3629 {
3630 	if (ha->fce)
3631 		dma_free_coherent(&ha->pdev->dev,
3632 		    FCE_SIZE, ha->fce, ha->fce_dma);
3633 
3634 	if (ha->eft)
3635 		dma_free_coherent(&ha->pdev->dev,
3636 		    EFT_SIZE, ha->eft, ha->eft_dma);
3637 
3638 	if (ha->fw_dump)
3639 		vfree(ha->fw_dump);
3640 	if (ha->fw_dump_template)
3641 		vfree(ha->fw_dump_template);
3642 
3643 	ha->fce = NULL;
3644 	ha->fce_dma = 0;
3645 	ha->eft = NULL;
3646 	ha->eft_dma = 0;
3647 	ha->fw_dumped = 0;
3648 	ha->fw_dump_reading = 0;
3649 	ha->fw_dump = NULL;
3650 	ha->fw_dump_len = 0;
3651 	ha->fw_dump_template = NULL;
3652 	ha->fw_dump_template_len = 0;
3653 }
3654 
3655 /*
3656 * qla2x00_mem_free
3657 *      Frees all adapter allocated memory.
3658 *
3659 * Input:
3660 *      ha = adapter block pointer.
3661 */
3662 static void
3663 qla2x00_mem_free(struct qla_hw_data *ha)
3664 {
3665 	qla2x00_free_fw_dump(ha);
3666 
3667 	if (ha->mctp_dump)
3668 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3669 		    ha->mctp_dump_dma);
3670 
3671 	if (ha->srb_mempool)
3672 		mempool_destroy(ha->srb_mempool);
3673 
3674 	if (ha->dcbx_tlv)
3675 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3676 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
3677 
3678 	if (ha->xgmac_data)
3679 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3680 		    ha->xgmac_data, ha->xgmac_data_dma);
3681 
3682 	if (ha->sns_cmd)
3683 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3684 		ha->sns_cmd, ha->sns_cmd_dma);
3685 
3686 	if (ha->ct_sns)
3687 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3688 		ha->ct_sns, ha->ct_sns_dma);
3689 
3690 	if (ha->sfp_data)
3691 		dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3692 
3693 	if (ha->ms_iocb)
3694 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3695 
3696 	if (ha->ex_init_cb)
3697 		dma_pool_free(ha->s_dma_pool,
3698 			ha->ex_init_cb, ha->ex_init_cb_dma);
3699 
3700 	if (ha->async_pd)
3701 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3702 
3703 	if (ha->s_dma_pool)
3704 		dma_pool_destroy(ha->s_dma_pool);
3705 
3706 	if (ha->gid_list)
3707 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3708 		ha->gid_list, ha->gid_list_dma);
3709 
3710 	if (IS_QLA82XX(ha)) {
3711 		if (!list_empty(&ha->gbl_dsd_list)) {
3712 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
3713 
3714 			/* clean up allocated prev pool */
3715 			list_for_each_entry_safe(dsd_ptr,
3716 				tdsd_ptr, &ha->gbl_dsd_list, list) {
3717 				dma_pool_free(ha->dl_dma_pool,
3718 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3719 				list_del(&dsd_ptr->list);
3720 				kfree(dsd_ptr);
3721 			}
3722 		}
3723 	}
3724 
3725 	if (ha->dl_dma_pool)
3726 		dma_pool_destroy(ha->dl_dma_pool);
3727 
3728 	if (ha->fcp_cmnd_dma_pool)
3729 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3730 
3731 	if (ha->ctx_mempool)
3732 		mempool_destroy(ha->ctx_mempool);
3733 
3734 	qlt_mem_free(ha);
3735 
3736 	if (ha->init_cb)
3737 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3738 			ha->init_cb, ha->init_cb_dma);
3739 	vfree(ha->optrom_buffer);
3740 	kfree(ha->nvram);
3741 	kfree(ha->npiv_info);
3742 	kfree(ha->swl);
3743 	kfree(ha->loop_id_map);
3744 
3745 	ha->srb_mempool = NULL;
3746 	ha->ctx_mempool = NULL;
3747 	ha->sns_cmd = NULL;
3748 	ha->sns_cmd_dma = 0;
3749 	ha->ct_sns = NULL;
3750 	ha->ct_sns_dma = 0;
3751 	ha->ms_iocb = NULL;
3752 	ha->ms_iocb_dma = 0;
3753 	ha->init_cb = NULL;
3754 	ha->init_cb_dma = 0;
3755 	ha->ex_init_cb = NULL;
3756 	ha->ex_init_cb_dma = 0;
3757 	ha->async_pd = NULL;
3758 	ha->async_pd_dma = 0;
3759 
3760 	ha->s_dma_pool = NULL;
3761 	ha->dl_dma_pool = NULL;
3762 	ha->fcp_cmnd_dma_pool = NULL;
3763 
3764 	ha->gid_list = NULL;
3765 	ha->gid_list_dma = 0;
3766 
3767 	ha->tgt.atio_ring = NULL;
3768 	ha->tgt.atio_dma = 0;
3769 	ha->tgt.tgt_vp_map = NULL;
3770 }
3771 
3772 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3773 						struct qla_hw_data *ha)
3774 {
3775 	struct Scsi_Host *host;
3776 	struct scsi_qla_host *vha = NULL;
3777 
3778 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3779 	if (host == NULL) {
3780 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3781 		    "Failed to allocate host from the scsi layer, aborting.\n");
3782 		goto fail;
3783 	}
3784 
3785 	/* Clear our data area */
3786 	vha = shost_priv(host);
3787 	memset(vha, 0, sizeof(scsi_qla_host_t));
3788 
3789 	vha->host = host;
3790 	vha->host_no = host->host_no;
3791 	vha->hw = ha;
3792 
3793 	INIT_LIST_HEAD(&vha->vp_fcports);
3794 	INIT_LIST_HEAD(&vha->work_list);
3795 	INIT_LIST_HEAD(&vha->list);
3796 
3797 	spin_lock_init(&vha->work_lock);
3798 
3799 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3800 	ql_dbg(ql_dbg_init, vha, 0x0041,
3801 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3802 	    vha->host, vha->hw, vha,
3803 	    dev_name(&(ha->pdev->dev)));
3804 
3805 	return vha;
3806 
3807 fail:
3808 	return vha;
3809 }
3810 
3811 static struct qla_work_evt *
3812 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3813 {
3814 	struct qla_work_evt *e;
3815 	uint8_t bail;
3816 
3817 	QLA_VHA_MARK_BUSY(vha, bail);
3818 	if (bail)
3819 		return NULL;
3820 
3821 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3822 	if (!e) {
3823 		QLA_VHA_MARK_NOT_BUSY(vha);
3824 		return NULL;
3825 	}
3826 
3827 	INIT_LIST_HEAD(&e->list);
3828 	e->type = type;
3829 	e->flags = QLA_EVT_FLAG_FREE;
3830 	return e;
3831 }
3832 
3833 static int
3834 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3835 {
3836 	unsigned long flags;
3837 
3838 	spin_lock_irqsave(&vha->work_lock, flags);
3839 	list_add_tail(&e->list, &vha->work_list);
3840 	spin_unlock_irqrestore(&vha->work_lock, flags);
3841 	qla2xxx_wake_dpc(vha);
3842 
3843 	return QLA_SUCCESS;
3844 }
3845 
3846 int
3847 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3848     u32 data)
3849 {
3850 	struct qla_work_evt *e;
3851 
3852 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3853 	if (!e)
3854 		return QLA_FUNCTION_FAILED;
3855 
3856 	e->u.aen.code = code;
3857 	e->u.aen.data = data;
3858 	return qla2x00_post_work(vha, e);
3859 }
3860 
3861 int
3862 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3863 {
3864 	struct qla_work_evt *e;
3865 
3866 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3867 	if (!e)
3868 		return QLA_FUNCTION_FAILED;
3869 
3870 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3871 	return qla2x00_post_work(vha, e);
3872 }
3873 
3874 #define qla2x00_post_async_work(name, type)	\
3875 int qla2x00_post_async_##name##_work(		\
3876     struct scsi_qla_host *vha,			\
3877     fc_port_t *fcport, uint16_t *data)		\
3878 {						\
3879 	struct qla_work_evt *e;			\
3880 						\
3881 	e = qla2x00_alloc_work(vha, type);	\
3882 	if (!e)					\
3883 		return QLA_FUNCTION_FAILED;	\
3884 						\
3885 	e->u.logio.fcport = fcport;		\
3886 	if (data) {				\
3887 		e->u.logio.data[0] = data[0];	\
3888 		e->u.logio.data[1] = data[1];	\
3889 	}					\
3890 	return qla2x00_post_work(vha, e);	\
3891 }
3892 
3893 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3894 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3895 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3896 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3897 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3898 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3899 
3900 int
3901 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3902 {
3903 	struct qla_work_evt *e;
3904 
3905 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3906 	if (!e)
3907 		return QLA_FUNCTION_FAILED;
3908 
3909 	e->u.uevent.code = code;
3910 	return qla2x00_post_work(vha, e);
3911 }
3912 
3913 static void
3914 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3915 {
3916 	char event_string[40];
3917 	char *envp[] = { event_string, NULL };
3918 
3919 	switch (code) {
3920 	case QLA_UEVENT_CODE_FW_DUMP:
3921 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3922 		    vha->host_no);
3923 		break;
3924 	default:
3925 		/* do nothing */
3926 		break;
3927 	}
3928 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3929 }
3930 
3931 int
3932 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
3933 			uint32_t *data, int cnt)
3934 {
3935 	struct qla_work_evt *e;
3936 
3937 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
3938 	if (!e)
3939 		return QLA_FUNCTION_FAILED;
3940 
3941 	e->u.aenfx.evtcode = evtcode;
3942 	e->u.aenfx.count = cnt;
3943 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
3944 	return qla2x00_post_work(vha, e);
3945 }
3946 
3947 void
3948 qla2x00_do_work(struct scsi_qla_host *vha)
3949 {
3950 	struct qla_work_evt *e, *tmp;
3951 	unsigned long flags;
3952 	LIST_HEAD(work);
3953 
3954 	spin_lock_irqsave(&vha->work_lock, flags);
3955 	list_splice_init(&vha->work_list, &work);
3956 	spin_unlock_irqrestore(&vha->work_lock, flags);
3957 
3958 	list_for_each_entry_safe(e, tmp, &work, list) {
3959 		list_del_init(&e->list);
3960 
3961 		switch (e->type) {
3962 		case QLA_EVT_AEN:
3963 			fc_host_post_event(vha->host, fc_get_event_number(),
3964 			    e->u.aen.code, e->u.aen.data);
3965 			break;
3966 		case QLA_EVT_IDC_ACK:
3967 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3968 			break;
3969 		case QLA_EVT_ASYNC_LOGIN:
3970 			qla2x00_async_login(vha, e->u.logio.fcport,
3971 			    e->u.logio.data);
3972 			break;
3973 		case QLA_EVT_ASYNC_LOGIN_DONE:
3974 			qla2x00_async_login_done(vha, e->u.logio.fcport,
3975 			    e->u.logio.data);
3976 			break;
3977 		case QLA_EVT_ASYNC_LOGOUT:
3978 			qla2x00_async_logout(vha, e->u.logio.fcport);
3979 			break;
3980 		case QLA_EVT_ASYNC_LOGOUT_DONE:
3981 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
3982 			    e->u.logio.data);
3983 			break;
3984 		case QLA_EVT_ASYNC_ADISC:
3985 			qla2x00_async_adisc(vha, e->u.logio.fcport,
3986 			    e->u.logio.data);
3987 			break;
3988 		case QLA_EVT_ASYNC_ADISC_DONE:
3989 			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3990 			    e->u.logio.data);
3991 			break;
3992 		case QLA_EVT_UEVENT:
3993 			qla2x00_uevent_emit(vha, e->u.uevent.code);
3994 			break;
3995 		case QLA_EVT_AENFX:
3996 			qlafx00_process_aen(vha, e);
3997 			break;
3998 		}
3999 		if (e->flags & QLA_EVT_FLAG_FREE)
4000 			kfree(e);
4001 
4002 		/* For each work completed decrement vha ref count */
4003 		QLA_VHA_MARK_NOT_BUSY(vha);
4004 	}
4005 }
4006 
4007 /* Relogins all the fcports of a vport
4008  * Context: dpc thread
4009  */
4010 void qla2x00_relogin(struct scsi_qla_host *vha)
4011 {
4012 	fc_port_t       *fcport;
4013 	int status;
4014 	uint16_t        next_loopid = 0;
4015 	struct qla_hw_data *ha = vha->hw;
4016 	uint16_t data[2];
4017 
4018 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4019 	/*
4020 	 * If the port is not ONLINE then try to login
4021 	 * to it if we haven't run out of retries.
4022 	 */
4023 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
4024 		    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4025 			fcport->login_retry--;
4026 			if (fcport->flags & FCF_FABRIC_DEVICE) {
4027 				if (fcport->flags & FCF_FCP2_DEVICE)
4028 					ha->isp_ops->fabric_logout(vha,
4029 							fcport->loop_id,
4030 							fcport->d_id.b.domain,
4031 							fcport->d_id.b.area,
4032 							fcport->d_id.b.al_pa);
4033 
4034 				if (fcport->loop_id == FC_NO_LOOP_ID) {
4035 					fcport->loop_id = next_loopid =
4036 					    ha->min_external_loopid;
4037 					status = qla2x00_find_new_loop_id(
4038 					    vha, fcport);
4039 					if (status != QLA_SUCCESS) {
4040 						/* Ran out of IDs to use */
4041 						break;
4042 					}
4043 				}
4044 
4045 				if (IS_ALOGIO_CAPABLE(ha)) {
4046 					fcport->flags |= FCF_ASYNC_SENT;
4047 					data[0] = 0;
4048 					data[1] = QLA_LOGIO_LOGIN_RETRIED;
4049 					status = qla2x00_post_async_login_work(
4050 					    vha, fcport, data);
4051 					if (status == QLA_SUCCESS)
4052 						continue;
4053 					/* Attempt a retry. */
4054 					status = 1;
4055 				} else {
4056 					status = qla2x00_fabric_login(vha,
4057 					    fcport, &next_loopid);
4058 					if (status ==  QLA_SUCCESS) {
4059 						int status2;
4060 						uint8_t opts;
4061 
4062 						opts = 0;
4063 						if (fcport->flags &
4064 						    FCF_FCP2_DEVICE)
4065 							opts |= BIT_1;
4066 						status2 =
4067 						    qla2x00_get_port_database(
4068 							vha, fcport, opts);
4069 						if (status2 != QLA_SUCCESS)
4070 							status = 1;
4071 					}
4072 				}
4073 			} else
4074 				status = qla2x00_local_device_login(vha,
4075 								fcport);
4076 
4077 			if (status == QLA_SUCCESS) {
4078 				fcport->old_loop_id = fcport->loop_id;
4079 
4080 				ql_dbg(ql_dbg_disc, vha, 0x2003,
4081 				    "Port login OK: logged in ID 0x%x.\n",
4082 				    fcport->loop_id);
4083 
4084 				qla2x00_update_fcport(vha, fcport);
4085 
4086 			} else if (status == 1) {
4087 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4088 				/* retry the login again */
4089 				ql_dbg(ql_dbg_disc, vha, 0x2007,
4090 				    "Retrying %d login again loop_id 0x%x.\n",
4091 				    fcport->login_retry, fcport->loop_id);
4092 			} else {
4093 				fcport->login_retry = 0;
4094 			}
4095 
4096 			if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4097 				qla2x00_clear_loop_id(fcport);
4098 		}
4099 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4100 			break;
4101 	}
4102 }
4103 
4104 /* Schedule work on any of the dpc-workqueues */
4105 void
4106 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4107 {
4108 	struct qla_hw_data *ha = base_vha->hw;
4109 
4110 	switch (work_code) {
4111 	case MBA_IDC_AEN: /* 0x8200 */
4112 		if (ha->dpc_lp_wq)
4113 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4114 		break;
4115 
4116 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4117 		if (!ha->flags.nic_core_reset_hdlr_active) {
4118 			if (ha->dpc_hp_wq)
4119 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4120 		} else
4121 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4122 			    "NIC Core reset is already active. Skip "
4123 			    "scheduling it again.\n");
4124 		break;
4125 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4126 		if (ha->dpc_hp_wq)
4127 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4128 		break;
4129 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4130 		if (ha->dpc_hp_wq)
4131 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4132 		break;
4133 	default:
4134 		ql_log(ql_log_warn, base_vha, 0xb05f,
4135 		    "Unknow work-code=0x%x.\n", work_code);
4136 	}
4137 
4138 	return;
4139 }
4140 
4141 /* Work: Perform NIC Core Unrecoverable state handling */
4142 void
4143 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4144 {
4145 	struct qla_hw_data *ha =
4146 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4147 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4148 	uint32_t dev_state = 0;
4149 
4150 	qla83xx_idc_lock(base_vha, 0);
4151 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4152 	qla83xx_reset_ownership(base_vha);
4153 	if (ha->flags.nic_core_reset_owner) {
4154 		ha->flags.nic_core_reset_owner = 0;
4155 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4156 		    QLA8XXX_DEV_FAILED);
4157 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4158 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4159 	}
4160 	qla83xx_idc_unlock(base_vha, 0);
4161 }
4162 
4163 /* Work: Execute IDC state handler */
4164 void
4165 qla83xx_idc_state_handler_work(struct work_struct *work)
4166 {
4167 	struct qla_hw_data *ha =
4168 		container_of(work, struct qla_hw_data, idc_state_handler);
4169 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4170 	uint32_t dev_state = 0;
4171 
4172 	qla83xx_idc_lock(base_vha, 0);
4173 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4174 	if (dev_state == QLA8XXX_DEV_FAILED ||
4175 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4176 		qla83xx_idc_state_handler(base_vha);
4177 	qla83xx_idc_unlock(base_vha, 0);
4178 }
4179 
4180 static int
4181 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4182 {
4183 	int rval = QLA_SUCCESS;
4184 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
4185 	uint32_t heart_beat_counter1, heart_beat_counter2;
4186 
4187 	do {
4188 		if (time_after(jiffies, heart_beat_wait)) {
4189 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4190 			    "Nic Core f/w is not alive.\n");
4191 			rval = QLA_FUNCTION_FAILED;
4192 			break;
4193 		}
4194 
4195 		qla83xx_idc_lock(base_vha, 0);
4196 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4197 		    &heart_beat_counter1);
4198 		qla83xx_idc_unlock(base_vha, 0);
4199 		msleep(100);
4200 		qla83xx_idc_lock(base_vha, 0);
4201 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4202 		    &heart_beat_counter2);
4203 		qla83xx_idc_unlock(base_vha, 0);
4204 	} while (heart_beat_counter1 == heart_beat_counter2);
4205 
4206 	return rval;
4207 }
4208 
4209 /* Work: Perform NIC Core Reset handling */
4210 void
4211 qla83xx_nic_core_reset_work(struct work_struct *work)
4212 {
4213 	struct qla_hw_data *ha =
4214 		container_of(work, struct qla_hw_data, nic_core_reset);
4215 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4216 	uint32_t dev_state = 0;
4217 
4218 	if (IS_QLA2031(ha)) {
4219 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4220 			ql_log(ql_log_warn, base_vha, 0xb081,
4221 			    "Failed to dump mctp\n");
4222 		return;
4223 	}
4224 
4225 	if (!ha->flags.nic_core_reset_hdlr_active) {
4226 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4227 			qla83xx_idc_lock(base_vha, 0);
4228 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4229 			    &dev_state);
4230 			qla83xx_idc_unlock(base_vha, 0);
4231 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4232 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4233 				    "Nic Core f/w is alive.\n");
4234 				return;
4235 			}
4236 		}
4237 
4238 		ha->flags.nic_core_reset_hdlr_active = 1;
4239 		if (qla83xx_nic_core_reset(base_vha)) {
4240 			/* NIC Core reset failed. */
4241 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4242 			    "NIC Core reset failed.\n");
4243 		}
4244 		ha->flags.nic_core_reset_hdlr_active = 0;
4245 	}
4246 }
4247 
4248 /* Work: Handle 8200 IDC aens */
4249 void
4250 qla83xx_service_idc_aen(struct work_struct *work)
4251 {
4252 	struct qla_hw_data *ha =
4253 		container_of(work, struct qla_hw_data, idc_aen);
4254 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4255 	uint32_t dev_state, idc_control;
4256 
4257 	qla83xx_idc_lock(base_vha, 0);
4258 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4259 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4260 	qla83xx_idc_unlock(base_vha, 0);
4261 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4262 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4263 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4264 			    "Application requested NIC Core Reset.\n");
4265 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4266 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4267 		    QLA_SUCCESS) {
4268 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4269 			    "Other protocol driver requested NIC Core Reset.\n");
4270 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4271 		}
4272 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
4273 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4274 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4275 	}
4276 }
4277 
4278 static void
4279 qla83xx_wait_logic(void)
4280 {
4281 	int i;
4282 
4283 	/* Yield CPU */
4284 	if (!in_interrupt()) {
4285 		/*
4286 		 * Wait about 200ms before retrying again.
4287 		 * This controls the number of retries for single
4288 		 * lock operation.
4289 		 */
4290 		msleep(100);
4291 		schedule();
4292 	} else {
4293 		for (i = 0; i < 20; i++)
4294 			cpu_relax(); /* This a nop instr on i386 */
4295 	}
4296 }
4297 
4298 static int
4299 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4300 {
4301 	int rval;
4302 	uint32_t data;
4303 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
4304 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4305 	struct qla_hw_data *ha = base_vha->hw;
4306 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4307 	    "Trying force recovery of the IDC lock.\n");
4308 
4309 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4310 	if (rval)
4311 		return rval;
4312 
4313 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
4314 		return QLA_SUCCESS;
4315 	} else {
4316 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4317 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4318 		    data);
4319 		if (rval)
4320 			return rval;
4321 
4322 		msleep(200);
4323 
4324 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4325 		    &data);
4326 		if (rval)
4327 			return rval;
4328 
4329 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4330 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
4331 					~(idc_lck_rcvry_stage_mask));
4332 			rval = qla83xx_wr_reg(base_vha,
4333 			    QLA83XX_IDC_LOCK_RECOVERY, data);
4334 			if (rval)
4335 				return rval;
4336 
4337 			/* Forcefully perform IDC UnLock */
4338 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4339 			    &data);
4340 			if (rval)
4341 				return rval;
4342 			/* Clear lock-id by setting 0xff */
4343 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4344 			    0xff);
4345 			if (rval)
4346 				return rval;
4347 			/* Clear lock-recovery by setting 0x0 */
4348 			rval = qla83xx_wr_reg(base_vha,
4349 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4350 			if (rval)
4351 				return rval;
4352 		} else
4353 			return QLA_SUCCESS;
4354 	}
4355 
4356 	return rval;
4357 }
4358 
4359 static int
4360 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4361 {
4362 	int rval = QLA_SUCCESS;
4363 	uint32_t o_drv_lockid, n_drv_lockid;
4364 	unsigned long lock_recovery_timeout;
4365 
4366 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4367 retry_lockid:
4368 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4369 	if (rval)
4370 		goto exit;
4371 
4372 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
4373 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
4374 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4375 			return QLA_SUCCESS;
4376 		else
4377 			return QLA_FUNCTION_FAILED;
4378 	}
4379 
4380 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4381 	if (rval)
4382 		goto exit;
4383 
4384 	if (o_drv_lockid == n_drv_lockid) {
4385 		qla83xx_wait_logic();
4386 		goto retry_lockid;
4387 	} else
4388 		return QLA_SUCCESS;
4389 
4390 exit:
4391 	return rval;
4392 }
4393 
4394 void
4395 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4396 {
4397 	uint16_t options = (requester_id << 15) | BIT_6;
4398 	uint32_t data;
4399 	uint32_t lock_owner;
4400 	struct qla_hw_data *ha = base_vha->hw;
4401 
4402 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
4403 retry_lock:
4404 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4405 	    == QLA_SUCCESS) {
4406 		if (data) {
4407 			/* Setting lock-id to our function-number */
4408 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4409 			    ha->portnum);
4410 		} else {
4411 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4412 			    &lock_owner);
4413 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4414 			    "Failed to acquire IDC lock, acquired by %d, "
4415 			    "retrying...\n", lock_owner);
4416 
4417 			/* Retry/Perform IDC-Lock recovery */
4418 			if (qla83xx_idc_lock_recovery(base_vha)
4419 			    == QLA_SUCCESS) {
4420 				qla83xx_wait_logic();
4421 				goto retry_lock;
4422 			} else
4423 				ql_log(ql_log_warn, base_vha, 0xb075,
4424 				    "IDC Lock recovery FAILED.\n");
4425 		}
4426 
4427 	}
4428 
4429 	return;
4430 
4431 	/* XXX: IDC-lock implementation using access-control mbx */
4432 retry_lock2:
4433 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4434 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4435 		    "Failed to acquire IDC lock. retrying...\n");
4436 		/* Retry/Perform IDC-Lock recovery */
4437 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4438 			qla83xx_wait_logic();
4439 			goto retry_lock2;
4440 		} else
4441 			ql_log(ql_log_warn, base_vha, 0xb076,
4442 			    "IDC Lock recovery FAILED.\n");
4443 	}
4444 
4445 	return;
4446 }
4447 
4448 void
4449 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4450 {
4451 	uint16_t options = (requester_id << 15) | BIT_7, retry;
4452 	uint32_t data;
4453 	struct qla_hw_data *ha = base_vha->hw;
4454 
4455 	/* IDC-unlock implementation using driver-unlock/lock-id
4456 	 * remote registers
4457 	 */
4458 	retry = 0;
4459 retry_unlock:
4460 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4461 	    == QLA_SUCCESS) {
4462 		if (data == ha->portnum) {
4463 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4464 			/* Clearing lock-id by setting 0xff */
4465 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4466 		} else if (retry < 10) {
4467 			/* SV: XXX: IDC unlock retrying needed here? */
4468 
4469 			/* Retry for IDC-unlock */
4470 			qla83xx_wait_logic();
4471 			retry++;
4472 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4473 			    "Failed to release IDC lock, retyring=%d\n", retry);
4474 			goto retry_unlock;
4475 		}
4476 	} else if (retry < 10) {
4477 		/* Retry for IDC-unlock */
4478 		qla83xx_wait_logic();
4479 		retry++;
4480 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4481 		    "Failed to read drv-lockid, retyring=%d\n", retry);
4482 		goto retry_unlock;
4483 	}
4484 
4485 	return;
4486 
4487 	/* XXX: IDC-unlock implementation using access-control mbx */
4488 	retry = 0;
4489 retry_unlock2:
4490 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4491 		if (retry < 10) {
4492 			/* Retry for IDC-unlock */
4493 			qla83xx_wait_logic();
4494 			retry++;
4495 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4496 			    "Failed to release IDC lock, retyring=%d\n", retry);
4497 			goto retry_unlock2;
4498 		}
4499 	}
4500 
4501 	return;
4502 }
4503 
4504 int
4505 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4506 {
4507 	int rval = QLA_SUCCESS;
4508 	struct qla_hw_data *ha = vha->hw;
4509 	uint32_t drv_presence;
4510 
4511 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4512 	if (rval == QLA_SUCCESS) {
4513 		drv_presence |= (1 << ha->portnum);
4514 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4515 		    drv_presence);
4516 	}
4517 
4518 	return rval;
4519 }
4520 
4521 int
4522 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4523 {
4524 	int rval = QLA_SUCCESS;
4525 
4526 	qla83xx_idc_lock(vha, 0);
4527 	rval = __qla83xx_set_drv_presence(vha);
4528 	qla83xx_idc_unlock(vha, 0);
4529 
4530 	return rval;
4531 }
4532 
4533 int
4534 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4535 {
4536 	int rval = QLA_SUCCESS;
4537 	struct qla_hw_data *ha = vha->hw;
4538 	uint32_t drv_presence;
4539 
4540 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4541 	if (rval == QLA_SUCCESS) {
4542 		drv_presence &= ~(1 << ha->portnum);
4543 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4544 		    drv_presence);
4545 	}
4546 
4547 	return rval;
4548 }
4549 
4550 int
4551 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4552 {
4553 	int rval = QLA_SUCCESS;
4554 
4555 	qla83xx_idc_lock(vha, 0);
4556 	rval = __qla83xx_clear_drv_presence(vha);
4557 	qla83xx_idc_unlock(vha, 0);
4558 
4559 	return rval;
4560 }
4561 
4562 static void
4563 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4564 {
4565 	struct qla_hw_data *ha = vha->hw;
4566 	uint32_t drv_ack, drv_presence;
4567 	unsigned long ack_timeout;
4568 
4569 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4570 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4571 	while (1) {
4572 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4573 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4574 		if ((drv_ack & drv_presence) == drv_presence)
4575 			break;
4576 
4577 		if (time_after_eq(jiffies, ack_timeout)) {
4578 			ql_log(ql_log_warn, vha, 0xb067,
4579 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
4580 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
4581 			/*
4582 			 * The function(s) which did not ack in time are forced
4583 			 * to withdraw any further participation in the IDC
4584 			 * reset.
4585 			 */
4586 			if (drv_ack != drv_presence)
4587 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4588 				    drv_ack);
4589 			break;
4590 		}
4591 
4592 		qla83xx_idc_unlock(vha, 0);
4593 		msleep(1000);
4594 		qla83xx_idc_lock(vha, 0);
4595 	}
4596 
4597 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4598 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4599 }
4600 
4601 static int
4602 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4603 {
4604 	int rval = QLA_SUCCESS;
4605 	uint32_t idc_control;
4606 
4607 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4608 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4609 
4610 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4611 	__qla83xx_get_idc_control(vha, &idc_control);
4612 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4613 	__qla83xx_set_idc_control(vha, 0);
4614 
4615 	qla83xx_idc_unlock(vha, 0);
4616 	rval = qla83xx_restart_nic_firmware(vha);
4617 	qla83xx_idc_lock(vha, 0);
4618 
4619 	if (rval != QLA_SUCCESS) {
4620 		ql_log(ql_log_fatal, vha, 0xb06a,
4621 		    "Failed to restart NIC f/w.\n");
4622 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4623 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4624 	} else {
4625 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4626 		    "Success in restarting nic f/w.\n");
4627 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4628 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4629 	}
4630 
4631 	return rval;
4632 }
4633 
4634 /* Assumes idc_lock always held on entry */
4635 int
4636 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4637 {
4638 	struct qla_hw_data *ha = base_vha->hw;
4639 	int rval = QLA_SUCCESS;
4640 	unsigned long dev_init_timeout;
4641 	uint32_t dev_state;
4642 
4643 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4644 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4645 
4646 	while (1) {
4647 
4648 		if (time_after_eq(jiffies, dev_init_timeout)) {
4649 			ql_log(ql_log_warn, base_vha, 0xb06e,
4650 			    "Initialization TIMEOUT!\n");
4651 			/* Init timeout. Disable further NIC Core
4652 			 * communication.
4653 			 */
4654 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4655 				QLA8XXX_DEV_FAILED);
4656 			ql_log(ql_log_info, base_vha, 0xb06f,
4657 			    "HW State: FAILED.\n");
4658 		}
4659 
4660 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4661 		switch (dev_state) {
4662 		case QLA8XXX_DEV_READY:
4663 			if (ha->flags.nic_core_reset_owner)
4664 				qla83xx_idc_audit(base_vha,
4665 				    IDC_AUDIT_COMPLETION);
4666 			ha->flags.nic_core_reset_owner = 0;
4667 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4668 			    "Reset_owner reset by 0x%x.\n",
4669 			    ha->portnum);
4670 			goto exit;
4671 		case QLA8XXX_DEV_COLD:
4672 			if (ha->flags.nic_core_reset_owner)
4673 				rval = qla83xx_device_bootstrap(base_vha);
4674 			else {
4675 			/* Wait for AEN to change device-state */
4676 				qla83xx_idc_unlock(base_vha, 0);
4677 				msleep(1000);
4678 				qla83xx_idc_lock(base_vha, 0);
4679 			}
4680 			break;
4681 		case QLA8XXX_DEV_INITIALIZING:
4682 			/* Wait for AEN to change device-state */
4683 			qla83xx_idc_unlock(base_vha, 0);
4684 			msleep(1000);
4685 			qla83xx_idc_lock(base_vha, 0);
4686 			break;
4687 		case QLA8XXX_DEV_NEED_RESET:
4688 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4689 				qla83xx_need_reset_handler(base_vha);
4690 			else {
4691 				/* Wait for AEN to change device-state */
4692 				qla83xx_idc_unlock(base_vha, 0);
4693 				msleep(1000);
4694 				qla83xx_idc_lock(base_vha, 0);
4695 			}
4696 			/* reset timeout value after need reset handler */
4697 			dev_init_timeout = jiffies +
4698 			    (ha->fcoe_dev_init_timeout * HZ);
4699 			break;
4700 		case QLA8XXX_DEV_NEED_QUIESCENT:
4701 			/* XXX: DEBUG for now */
4702 			qla83xx_idc_unlock(base_vha, 0);
4703 			msleep(1000);
4704 			qla83xx_idc_lock(base_vha, 0);
4705 			break;
4706 		case QLA8XXX_DEV_QUIESCENT:
4707 			/* XXX: DEBUG for now */
4708 			if (ha->flags.quiesce_owner)
4709 				goto exit;
4710 
4711 			qla83xx_idc_unlock(base_vha, 0);
4712 			msleep(1000);
4713 			qla83xx_idc_lock(base_vha, 0);
4714 			dev_init_timeout = jiffies +
4715 			    (ha->fcoe_dev_init_timeout * HZ);
4716 			break;
4717 		case QLA8XXX_DEV_FAILED:
4718 			if (ha->flags.nic_core_reset_owner)
4719 				qla83xx_idc_audit(base_vha,
4720 				    IDC_AUDIT_COMPLETION);
4721 			ha->flags.nic_core_reset_owner = 0;
4722 			__qla83xx_clear_drv_presence(base_vha);
4723 			qla83xx_idc_unlock(base_vha, 0);
4724 			qla8xxx_dev_failed_handler(base_vha);
4725 			rval = QLA_FUNCTION_FAILED;
4726 			qla83xx_idc_lock(base_vha, 0);
4727 			goto exit;
4728 		case QLA8XXX_BAD_VALUE:
4729 			qla83xx_idc_unlock(base_vha, 0);
4730 			msleep(1000);
4731 			qla83xx_idc_lock(base_vha, 0);
4732 			break;
4733 		default:
4734 			ql_log(ql_log_warn, base_vha, 0xb071,
4735 			    "Unknow Device State: %x.\n", dev_state);
4736 			qla83xx_idc_unlock(base_vha, 0);
4737 			qla8xxx_dev_failed_handler(base_vha);
4738 			rval = QLA_FUNCTION_FAILED;
4739 			qla83xx_idc_lock(base_vha, 0);
4740 			goto exit;
4741 		}
4742 	}
4743 
4744 exit:
4745 	return rval;
4746 }
4747 
4748 void
4749 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4750 {
4751 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4752 	    board_disable);
4753 	struct pci_dev *pdev = ha->pdev;
4754 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4755 
4756 	ql_log(ql_log_warn, base_vha, 0x015b,
4757 	    "Disabling adapter.\n");
4758 
4759 	set_bit(UNLOADING, &base_vha->dpc_flags);
4760 
4761 	qla2x00_delete_all_vps(ha, base_vha);
4762 
4763 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4764 
4765 	qla2x00_dfs_remove(base_vha);
4766 
4767 	qla84xx_put_chip(base_vha);
4768 
4769 	if (base_vha->timer_active)
4770 		qla2x00_stop_timer(base_vha);
4771 
4772 	base_vha->flags.online = 0;
4773 
4774 	qla2x00_destroy_deferred_work(ha);
4775 
4776 	/*
4777 	 * Do not try to stop beacon blink as it will issue a mailbox
4778 	 * command.
4779 	 */
4780 	qla2x00_free_sysfs_attr(base_vha, false);
4781 
4782 	fc_remove_host(base_vha->host);
4783 
4784 	scsi_remove_host(base_vha->host);
4785 
4786 	base_vha->flags.init_done = 0;
4787 	qla25xx_delete_queues(base_vha);
4788 	qla2x00_free_irqs(base_vha);
4789 	qla2x00_free_fcports(base_vha);
4790 	qla2x00_mem_free(ha);
4791 	qla82xx_md_free(base_vha);
4792 	qla2x00_free_queues(ha);
4793 
4794 	scsi_host_put(base_vha->host);
4795 
4796 	qla2x00_unmap_iobases(ha);
4797 
4798 	pci_release_selected_regions(ha->pdev, ha->bars);
4799 	kfree(ha);
4800 	ha = NULL;
4801 
4802 	pci_disable_pcie_error_reporting(pdev);
4803 	pci_disable_device(pdev);
4804 	pci_set_drvdata(pdev, NULL);
4805 
4806 }
4807 
4808 /**************************************************************************
4809 * qla2x00_do_dpc
4810 *   This kernel thread is a task that is schedule by the interrupt handler
4811 *   to perform the background processing for interrupts.
4812 *
4813 * Notes:
4814 * This task always run in the context of a kernel thread.  It
4815 * is kick-off by the driver's detect code and starts up
4816 * up one per adapter. It immediately goes to sleep and waits for
4817 * some fibre event.  When either the interrupt handler or
4818 * the timer routine detects a event it will one of the task
4819 * bits then wake us up.
4820 **************************************************************************/
4821 static int
4822 qla2x00_do_dpc(void *data)
4823 {
4824 	int		rval;
4825 	scsi_qla_host_t *base_vha;
4826 	struct qla_hw_data *ha;
4827 
4828 	ha = (struct qla_hw_data *)data;
4829 	base_vha = pci_get_drvdata(ha->pdev);
4830 
4831 	set_user_nice(current, -20);
4832 
4833 	set_current_state(TASK_INTERRUPTIBLE);
4834 	while (!kthread_should_stop()) {
4835 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4836 		    "DPC handler sleeping.\n");
4837 
4838 		schedule();
4839 		__set_current_state(TASK_RUNNING);
4840 
4841 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4842 			goto end_loop;
4843 
4844 		if (ha->flags.eeh_busy) {
4845 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4846 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
4847 			goto end_loop;
4848 		}
4849 
4850 		ha->dpc_active = 1;
4851 
4852 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
4853 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
4854 		    base_vha->dpc_flags);
4855 
4856 		qla2x00_do_work(base_vha);
4857 
4858 		if (IS_P3P_TYPE(ha)) {
4859 			if (IS_QLA8044(ha)) {
4860 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
4861 					&base_vha->dpc_flags)) {
4862 					qla8044_idc_lock(ha);
4863 					qla8044_wr_direct(base_vha,
4864 						QLA8044_CRB_DEV_STATE_INDEX,
4865 						QLA8XXX_DEV_FAILED);
4866 					qla8044_idc_unlock(ha);
4867 					ql_log(ql_log_info, base_vha, 0x4004,
4868 						"HW State: FAILED.\n");
4869 					qla8044_device_state_handler(base_vha);
4870 					continue;
4871 				}
4872 
4873 			} else {
4874 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
4875 					&base_vha->dpc_flags)) {
4876 					qla82xx_idc_lock(ha);
4877 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4878 						QLA8XXX_DEV_FAILED);
4879 					qla82xx_idc_unlock(ha);
4880 					ql_log(ql_log_info, base_vha, 0x0151,
4881 						"HW State: FAILED.\n");
4882 					qla82xx_device_state_handler(base_vha);
4883 					continue;
4884 				}
4885 			}
4886 
4887 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
4888 				&base_vha->dpc_flags)) {
4889 
4890 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
4891 				    "FCoE context reset scheduled.\n");
4892 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4893 					&base_vha->dpc_flags))) {
4894 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
4895 						/* FCoE-ctx reset failed.
4896 						 * Escalate to chip-reset
4897 						 */
4898 						set_bit(ISP_ABORT_NEEDED,
4899 							&base_vha->dpc_flags);
4900 					}
4901 					clear_bit(ABORT_ISP_ACTIVE,
4902 						&base_vha->dpc_flags);
4903 				}
4904 
4905 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
4906 				    "FCoE context reset end.\n");
4907 			}
4908 		} else if (IS_QLAFX00(ha)) {
4909 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
4910 				&base_vha->dpc_flags)) {
4911 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
4912 				    "Firmware Reset Recovery\n");
4913 				if (qlafx00_reset_initialize(base_vha)) {
4914 					/* Failed. Abort isp later. */
4915 					if (!test_bit(UNLOADING,
4916 					    &base_vha->dpc_flags))
4917 						set_bit(ISP_UNRECOVERABLE,
4918 						    &base_vha->dpc_flags);
4919 						ql_dbg(ql_dbg_dpc, base_vha,
4920 						    0x4021,
4921 						    "Reset Recovery Failed\n");
4922 				}
4923 			}
4924 
4925 			if (test_and_clear_bit(FX00_TARGET_SCAN,
4926 				&base_vha->dpc_flags)) {
4927 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
4928 				    "ISPFx00 Target Scan scheduled\n");
4929 				if (qlafx00_rescan_isp(base_vha)) {
4930 					if (!test_bit(UNLOADING,
4931 					    &base_vha->dpc_flags))
4932 						set_bit(ISP_UNRECOVERABLE,
4933 						    &base_vha->dpc_flags);
4934 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
4935 					    "ISPFx00 Target Scan Failed\n");
4936 				}
4937 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
4938 				    "ISPFx00 Target Scan End\n");
4939 			}
4940 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
4941 				&base_vha->dpc_flags)) {
4942 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
4943 				    "ISPFx00 Host Info resend scheduled\n");
4944 				qlafx00_fx_disc(base_vha,
4945 				    &base_vha->hw->mr.fcport,
4946 				    FXDISC_REG_HOST_INFO);
4947 			}
4948 		}
4949 
4950 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
4951 						&base_vha->dpc_flags)) {
4952 
4953 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
4954 			    "ISP abort scheduled.\n");
4955 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4956 			    &base_vha->dpc_flags))) {
4957 
4958 				if (ha->isp_ops->abort_isp(base_vha)) {
4959 					/* failed. retry later */
4960 					set_bit(ISP_ABORT_NEEDED,
4961 					    &base_vha->dpc_flags);
4962 				}
4963 				clear_bit(ABORT_ISP_ACTIVE,
4964 						&base_vha->dpc_flags);
4965 			}
4966 
4967 			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
4968 			    "ISP abort end.\n");
4969 		}
4970 
4971 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
4972 		    &base_vha->dpc_flags)) {
4973 			qla2x00_update_fcports(base_vha);
4974 		}
4975 
4976 		if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
4977 			int ret;
4978 			ret = qla2x00_send_change_request(base_vha, 0x3, 0);
4979 			if (ret != QLA_SUCCESS)
4980 				ql_log(ql_log_warn, base_vha, 0x121,
4981 				    "Failed to enable receiving of RSCN "
4982 				    "requests: 0x%x.\n", ret);
4983 			clear_bit(SCR_PENDING, &base_vha->dpc_flags);
4984 		}
4985 
4986 		if (IS_QLAFX00(ha))
4987 			goto loop_resync_check;
4988 
4989 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
4990 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
4991 			    "Quiescence mode scheduled.\n");
4992 			if (IS_P3P_TYPE(ha)) {
4993 				if (IS_QLA82XX(ha))
4994 					qla82xx_device_state_handler(base_vha);
4995 				if (IS_QLA8044(ha))
4996 					qla8044_device_state_handler(base_vha);
4997 				clear_bit(ISP_QUIESCE_NEEDED,
4998 				    &base_vha->dpc_flags);
4999 				if (!ha->flags.quiesce_owner) {
5000 					qla2x00_perform_loop_resync(base_vha);
5001 					if (IS_QLA82XX(ha)) {
5002 						qla82xx_idc_lock(ha);
5003 						qla82xx_clear_qsnt_ready(
5004 						    base_vha);
5005 						qla82xx_idc_unlock(ha);
5006 					} else if (IS_QLA8044(ha)) {
5007 						qla8044_idc_lock(ha);
5008 						qla8044_clear_qsnt_ready(
5009 						    base_vha);
5010 						qla8044_idc_unlock(ha);
5011 					}
5012 				}
5013 			} else {
5014 				clear_bit(ISP_QUIESCE_NEEDED,
5015 				    &base_vha->dpc_flags);
5016 				qla2x00_quiesce_io(base_vha);
5017 			}
5018 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
5019 			    "Quiescence mode end.\n");
5020 		}
5021 
5022 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
5023 				&base_vha->dpc_flags) &&
5024 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5025 
5026 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5027 			    "Reset marker scheduled.\n");
5028 			qla2x00_rst_aen(base_vha);
5029 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5030 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5031 			    "Reset marker end.\n");
5032 		}
5033 
5034 		/* Retry each device up to login retry count */
5035 		if ((test_and_clear_bit(RELOGIN_NEEDED,
5036 						&base_vha->dpc_flags)) &&
5037 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5038 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5039 
5040 			ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5041 			    "Relogin scheduled.\n");
5042 			qla2x00_relogin(base_vha);
5043 			ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5044 			    "Relogin end.\n");
5045 		}
5046 loop_resync_check:
5047 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5048 		    &base_vha->dpc_flags)) {
5049 
5050 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5051 			    "Loop resync scheduled.\n");
5052 
5053 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5054 			    &base_vha->dpc_flags))) {
5055 
5056 				rval = qla2x00_loop_resync(base_vha);
5057 
5058 				clear_bit(LOOP_RESYNC_ACTIVE,
5059 						&base_vha->dpc_flags);
5060 			}
5061 
5062 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5063 			    "Loop resync end.\n");
5064 		}
5065 
5066 		if (IS_QLAFX00(ha))
5067 			goto intr_on_check;
5068 
5069 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5070 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
5071 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5072 			qla2xxx_flash_npiv_conf(base_vha);
5073 		}
5074 
5075 intr_on_check:
5076 		if (!ha->interrupts_on)
5077 			ha->isp_ops->enable_intrs(ha);
5078 
5079 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5080 					&base_vha->dpc_flags))
5081 			ha->isp_ops->beacon_blink(base_vha);
5082 
5083 		if (!IS_QLAFX00(ha))
5084 			qla2x00_do_dpc_all_vps(base_vha);
5085 
5086 		ha->dpc_active = 0;
5087 end_loop:
5088 		set_current_state(TASK_INTERRUPTIBLE);
5089 	} /* End of while(1) */
5090 	__set_current_state(TASK_RUNNING);
5091 
5092 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5093 	    "DPC handler exiting.\n");
5094 
5095 	/*
5096 	 * Make sure that nobody tries to wake us up again.
5097 	 */
5098 	ha->dpc_active = 0;
5099 
5100 	/* Cleanup any residual CTX SRBs. */
5101 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5102 
5103 	return 0;
5104 }
5105 
5106 void
5107 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5108 {
5109 	struct qla_hw_data *ha = vha->hw;
5110 	struct task_struct *t = ha->dpc_thread;
5111 
5112 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5113 		wake_up_process(t);
5114 }
5115 
5116 /*
5117 *  qla2x00_rst_aen
5118 *      Processes asynchronous reset.
5119 *
5120 * Input:
5121 *      ha  = adapter block pointer.
5122 */
5123 static void
5124 qla2x00_rst_aen(scsi_qla_host_t *vha)
5125 {
5126 	if (vha->flags.online && !vha->flags.reset_active &&
5127 	    !atomic_read(&vha->loop_down_timer) &&
5128 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5129 		do {
5130 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5131 
5132 			/*
5133 			 * Issue marker command only when we are going to start
5134 			 * the I/O.
5135 			 */
5136 			vha->marker_needed = 1;
5137 		} while (!atomic_read(&vha->loop_down_timer) &&
5138 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5139 	}
5140 }
5141 
5142 /**************************************************************************
5143 *   qla2x00_timer
5144 *
5145 * Description:
5146 *   One second timer
5147 *
5148 * Context: Interrupt
5149 ***************************************************************************/
5150 void
5151 qla2x00_timer(scsi_qla_host_t *vha)
5152 {
5153 	unsigned long	cpu_flags = 0;
5154 	int		start_dpc = 0;
5155 	int		index;
5156 	srb_t		*sp;
5157 	uint16_t        w;
5158 	struct qla_hw_data *ha = vha->hw;
5159 	struct req_que *req;
5160 
5161 	if (ha->flags.eeh_busy) {
5162 		ql_dbg(ql_dbg_timer, vha, 0x6000,
5163 		    "EEH = %d, restarting timer.\n",
5164 		    ha->flags.eeh_busy);
5165 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
5166 		return;
5167 	}
5168 
5169 	/*
5170 	 * Hardware read to raise pending EEH errors during mailbox waits. If
5171 	 * the read returns -1 then disable the board.
5172 	 */
5173 	if (!pci_channel_offline(ha->pdev)) {
5174 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5175 		if (w == 0xffff)
5176 			/*
5177 			 * Schedule this on the default system workqueue so that
5178 			 * all the adapter workqueues and the DPC thread can be
5179 			 * shutdown cleanly.
5180 			 */
5181 			schedule_work(&ha->board_disable);
5182 	}
5183 
5184 	/* Make sure qla82xx_watchdog is run only for physical port */
5185 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5186 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5187 			start_dpc++;
5188 		if (IS_QLA82XX(ha))
5189 			qla82xx_watchdog(vha);
5190 		else if (IS_QLA8044(ha))
5191 			qla8044_watchdog(vha);
5192 	}
5193 
5194 	if (!vha->vp_idx && IS_QLAFX00(ha))
5195 		qlafx00_timer_routine(vha);
5196 
5197 	/* Loop down handler. */
5198 	if (atomic_read(&vha->loop_down_timer) > 0 &&
5199 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5200 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5201 		&& vha->flags.online) {
5202 
5203 		if (atomic_read(&vha->loop_down_timer) ==
5204 		    vha->loop_down_abort_time) {
5205 
5206 			ql_log(ql_log_info, vha, 0x6008,
5207 			    "Loop down - aborting the queues before time expires.\n");
5208 
5209 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
5210 				atomic_set(&vha->loop_state, LOOP_DEAD);
5211 
5212 			/*
5213 			 * Schedule an ISP abort to return any FCP2-device
5214 			 * commands.
5215 			 */
5216 			/* NPIV - scan physical port only */
5217 			if (!vha->vp_idx) {
5218 				spin_lock_irqsave(&ha->hardware_lock,
5219 				    cpu_flags);
5220 				req = ha->req_q_map[0];
5221 				for (index = 1;
5222 				    index < req->num_outstanding_cmds;
5223 				    index++) {
5224 					fc_port_t *sfcp;
5225 
5226 					sp = req->outstanding_cmds[index];
5227 					if (!sp)
5228 						continue;
5229 					if (sp->type != SRB_SCSI_CMD)
5230 						continue;
5231 					sfcp = sp->fcport;
5232 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
5233 						continue;
5234 
5235 					if (IS_QLA82XX(ha))
5236 						set_bit(FCOE_CTX_RESET_NEEDED,
5237 							&vha->dpc_flags);
5238 					else
5239 						set_bit(ISP_ABORT_NEEDED,
5240 							&vha->dpc_flags);
5241 					break;
5242 				}
5243 				spin_unlock_irqrestore(&ha->hardware_lock,
5244 								cpu_flags);
5245 			}
5246 			start_dpc++;
5247 		}
5248 
5249 		/* if the loop has been down for 4 minutes, reinit adapter */
5250 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5251 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
5252 				ql_log(ql_log_warn, vha, 0x6009,
5253 				    "Loop down - aborting ISP.\n");
5254 
5255 				if (IS_QLA82XX(ha))
5256 					set_bit(FCOE_CTX_RESET_NEEDED,
5257 						&vha->dpc_flags);
5258 				else
5259 					set_bit(ISP_ABORT_NEEDED,
5260 						&vha->dpc_flags);
5261 			}
5262 		}
5263 		ql_dbg(ql_dbg_timer, vha, 0x600a,
5264 		    "Loop down - seconds remaining %d.\n",
5265 		    atomic_read(&vha->loop_down_timer));
5266 	}
5267 	/* Check if beacon LED needs to be blinked for physical host only */
5268 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5269 		/* There is no beacon_blink function for ISP82xx */
5270 		if (!IS_P3P_TYPE(ha)) {
5271 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5272 			start_dpc++;
5273 		}
5274 	}
5275 
5276 	/* Process any deferred work. */
5277 	if (!list_empty(&vha->work_list))
5278 		start_dpc++;
5279 
5280 	/* Schedule the DPC routine if needed */
5281 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5282 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5283 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5284 	    start_dpc ||
5285 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5286 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5287 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5288 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5289 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5290 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5291 		ql_dbg(ql_dbg_timer, vha, 0x600b,
5292 		    "isp_abort_needed=%d loop_resync_needed=%d "
5293 		    "fcport_update_needed=%d start_dpc=%d "
5294 		    "reset_marker_needed=%d",
5295 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5296 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5297 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5298 		    start_dpc,
5299 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5300 		ql_dbg(ql_dbg_timer, vha, 0x600c,
5301 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
5302 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5303 		    "relogin_needed=%d.\n",
5304 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5305 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5306 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5307 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5308 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5309 		qla2xxx_wake_dpc(vha);
5310 	}
5311 
5312 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
5313 }
5314 
5315 /* Firmware interface routines. */
5316 
5317 #define FW_BLOBS	11
5318 #define FW_ISP21XX	0
5319 #define FW_ISP22XX	1
5320 #define FW_ISP2300	2
5321 #define FW_ISP2322	3
5322 #define FW_ISP24XX	4
5323 #define FW_ISP25XX	5
5324 #define FW_ISP81XX	6
5325 #define FW_ISP82XX	7
5326 #define FW_ISP2031	8
5327 #define FW_ISP8031	9
5328 #define FW_ISP2071	10
5329 
5330 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
5331 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
5332 #define FW_FILE_ISP2300	"ql2300_fw.bin"
5333 #define FW_FILE_ISP2322	"ql2322_fw.bin"
5334 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
5335 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
5336 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
5337 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
5338 #define FW_FILE_ISP2031	"ql2600_fw.bin"
5339 #define FW_FILE_ISP8031	"ql8300_fw.bin"
5340 #define FW_FILE_ISP2071	"ql2700_fw.bin"
5341 
5342 
5343 static DEFINE_MUTEX(qla_fw_lock);
5344 
5345 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5346 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5347 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5348 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5349 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5350 	{ .name = FW_FILE_ISP24XX, },
5351 	{ .name = FW_FILE_ISP25XX, },
5352 	{ .name = FW_FILE_ISP81XX, },
5353 	{ .name = FW_FILE_ISP82XX, },
5354 	{ .name = FW_FILE_ISP2031, },
5355 	{ .name = FW_FILE_ISP8031, },
5356 	{ .name = FW_FILE_ISP2071, },
5357 };
5358 
5359 struct fw_blob *
5360 qla2x00_request_firmware(scsi_qla_host_t *vha)
5361 {
5362 	struct qla_hw_data *ha = vha->hw;
5363 	struct fw_blob *blob;
5364 
5365 	if (IS_QLA2100(ha)) {
5366 		blob = &qla_fw_blobs[FW_ISP21XX];
5367 	} else if (IS_QLA2200(ha)) {
5368 		blob = &qla_fw_blobs[FW_ISP22XX];
5369 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5370 		blob = &qla_fw_blobs[FW_ISP2300];
5371 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5372 		blob = &qla_fw_blobs[FW_ISP2322];
5373 	} else if (IS_QLA24XX_TYPE(ha)) {
5374 		blob = &qla_fw_blobs[FW_ISP24XX];
5375 	} else if (IS_QLA25XX(ha)) {
5376 		blob = &qla_fw_blobs[FW_ISP25XX];
5377 	} else if (IS_QLA81XX(ha)) {
5378 		blob = &qla_fw_blobs[FW_ISP81XX];
5379 	} else if (IS_QLA82XX(ha)) {
5380 		blob = &qla_fw_blobs[FW_ISP82XX];
5381 	} else if (IS_QLA2031(ha)) {
5382 		blob = &qla_fw_blobs[FW_ISP2031];
5383 	} else if (IS_QLA8031(ha)) {
5384 		blob = &qla_fw_blobs[FW_ISP8031];
5385 	} else if (IS_QLA2071(ha)) {
5386 		blob = &qla_fw_blobs[FW_ISP2071];
5387 	} else {
5388 		return NULL;
5389 	}
5390 
5391 	mutex_lock(&qla_fw_lock);
5392 	if (blob->fw)
5393 		goto out;
5394 
5395 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5396 		ql_log(ql_log_warn, vha, 0x0063,
5397 		    "Failed to load firmware image (%s).\n", blob->name);
5398 		blob->fw = NULL;
5399 		blob = NULL;
5400 		goto out;
5401 	}
5402 
5403 out:
5404 	mutex_unlock(&qla_fw_lock);
5405 	return blob;
5406 }
5407 
5408 static void
5409 qla2x00_release_firmware(void)
5410 {
5411 	int idx;
5412 
5413 	mutex_lock(&qla_fw_lock);
5414 	for (idx = 0; idx < FW_BLOBS; idx++)
5415 		release_firmware(qla_fw_blobs[idx].fw);
5416 	mutex_unlock(&qla_fw_lock);
5417 }
5418 
5419 static pci_ers_result_t
5420 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5421 {
5422 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5423 	struct qla_hw_data *ha = vha->hw;
5424 
5425 	ql_dbg(ql_dbg_aer, vha, 0x9000,
5426 	    "PCI error detected, state %x.\n", state);
5427 
5428 	switch (state) {
5429 	case pci_channel_io_normal:
5430 		ha->flags.eeh_busy = 0;
5431 		return PCI_ERS_RESULT_CAN_RECOVER;
5432 	case pci_channel_io_frozen:
5433 		ha->flags.eeh_busy = 1;
5434 		/* For ISP82XX complete any pending mailbox cmd */
5435 		if (IS_QLA82XX(ha)) {
5436 			ha->flags.isp82xx_fw_hung = 1;
5437 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5438 			qla82xx_clear_pending_mbx(vha);
5439 		}
5440 		qla2x00_free_irqs(vha);
5441 		pci_disable_device(pdev);
5442 		/* Return back all IOs */
5443 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5444 		return PCI_ERS_RESULT_NEED_RESET;
5445 	case pci_channel_io_perm_failure:
5446 		ha->flags.pci_channel_io_perm_failure = 1;
5447 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5448 		return PCI_ERS_RESULT_DISCONNECT;
5449 	}
5450 	return PCI_ERS_RESULT_NEED_RESET;
5451 }
5452 
5453 static pci_ers_result_t
5454 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5455 {
5456 	int risc_paused = 0;
5457 	uint32_t stat;
5458 	unsigned long flags;
5459 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5460 	struct qla_hw_data *ha = base_vha->hw;
5461 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5462 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5463 
5464 	if (IS_QLA82XX(ha))
5465 		return PCI_ERS_RESULT_RECOVERED;
5466 
5467 	spin_lock_irqsave(&ha->hardware_lock, flags);
5468 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5469 		stat = RD_REG_DWORD(&reg->hccr);
5470 		if (stat & HCCR_RISC_PAUSE)
5471 			risc_paused = 1;
5472 	} else if (IS_QLA23XX(ha)) {
5473 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5474 		if (stat & HSR_RISC_PAUSED)
5475 			risc_paused = 1;
5476 	} else if (IS_FWI2_CAPABLE(ha)) {
5477 		stat = RD_REG_DWORD(&reg24->host_status);
5478 		if (stat & HSRX_RISC_PAUSED)
5479 			risc_paused = 1;
5480 	}
5481 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
5482 
5483 	if (risc_paused) {
5484 		ql_log(ql_log_info, base_vha, 0x9003,
5485 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
5486 		ha->isp_ops->fw_dump(base_vha, 0);
5487 
5488 		return PCI_ERS_RESULT_NEED_RESET;
5489 	} else
5490 		return PCI_ERS_RESULT_RECOVERED;
5491 }
5492 
5493 static uint32_t
5494 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5495 {
5496 	uint32_t rval = QLA_FUNCTION_FAILED;
5497 	uint32_t drv_active = 0;
5498 	struct qla_hw_data *ha = base_vha->hw;
5499 	int fn;
5500 	struct pci_dev *other_pdev = NULL;
5501 
5502 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5503 	    "Entered %s.\n", __func__);
5504 
5505 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5506 
5507 	if (base_vha->flags.online) {
5508 		/* Abort all outstanding commands,
5509 		 * so as to be requeued later */
5510 		qla2x00_abort_isp_cleanup(base_vha);
5511 	}
5512 
5513 
5514 	fn = PCI_FUNC(ha->pdev->devfn);
5515 	while (fn > 0) {
5516 		fn--;
5517 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5518 		    "Finding pci device at function = 0x%x.\n", fn);
5519 		other_pdev =
5520 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5521 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5522 		    fn));
5523 
5524 		if (!other_pdev)
5525 			continue;
5526 		if (atomic_read(&other_pdev->enable_cnt)) {
5527 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5528 			    "Found PCI func available and enable at 0x%x.\n",
5529 			    fn);
5530 			pci_dev_put(other_pdev);
5531 			break;
5532 		}
5533 		pci_dev_put(other_pdev);
5534 	}
5535 
5536 	if (!fn) {
5537 		/* Reset owner */
5538 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5539 		    "This devfn is reset owner = 0x%x.\n",
5540 		    ha->pdev->devfn);
5541 		qla82xx_idc_lock(ha);
5542 
5543 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5544 		    QLA8XXX_DEV_INITIALIZING);
5545 
5546 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5547 		    QLA82XX_IDC_VERSION);
5548 
5549 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5550 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5551 		    "drv_active = 0x%x.\n", drv_active);
5552 
5553 		qla82xx_idc_unlock(ha);
5554 		/* Reset if device is not already reset
5555 		 * drv_active would be 0 if a reset has already been done
5556 		 */
5557 		if (drv_active)
5558 			rval = qla82xx_start_firmware(base_vha);
5559 		else
5560 			rval = QLA_SUCCESS;
5561 		qla82xx_idc_lock(ha);
5562 
5563 		if (rval != QLA_SUCCESS) {
5564 			ql_log(ql_log_info, base_vha, 0x900b,
5565 			    "HW State: FAILED.\n");
5566 			qla82xx_clear_drv_active(ha);
5567 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5568 			    QLA8XXX_DEV_FAILED);
5569 		} else {
5570 			ql_log(ql_log_info, base_vha, 0x900c,
5571 			    "HW State: READY.\n");
5572 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5573 			    QLA8XXX_DEV_READY);
5574 			qla82xx_idc_unlock(ha);
5575 			ha->flags.isp82xx_fw_hung = 0;
5576 			rval = qla82xx_restart_isp(base_vha);
5577 			qla82xx_idc_lock(ha);
5578 			/* Clear driver state register */
5579 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5580 			qla82xx_set_drv_active(base_vha);
5581 		}
5582 		qla82xx_idc_unlock(ha);
5583 	} else {
5584 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5585 		    "This devfn is not reset owner = 0x%x.\n",
5586 		    ha->pdev->devfn);
5587 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5588 		    QLA8XXX_DEV_READY)) {
5589 			ha->flags.isp82xx_fw_hung = 0;
5590 			rval = qla82xx_restart_isp(base_vha);
5591 			qla82xx_idc_lock(ha);
5592 			qla82xx_set_drv_active(base_vha);
5593 			qla82xx_idc_unlock(ha);
5594 		}
5595 	}
5596 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5597 
5598 	return rval;
5599 }
5600 
5601 static pci_ers_result_t
5602 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5603 {
5604 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5605 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5606 	struct qla_hw_data *ha = base_vha->hw;
5607 	struct rsp_que *rsp;
5608 	int rc, retries = 10;
5609 
5610 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5611 	    "Slot Reset.\n");
5612 
5613 	/* Workaround: qla2xxx driver which access hardware earlier
5614 	 * needs error state to be pci_channel_io_online.
5615 	 * Otherwise mailbox command timesout.
5616 	 */
5617 	pdev->error_state = pci_channel_io_normal;
5618 
5619 	pci_restore_state(pdev);
5620 
5621 	/* pci_restore_state() clears the saved_state flag of the device
5622 	 * save restored state which resets saved_state flag
5623 	 */
5624 	pci_save_state(pdev);
5625 
5626 	if (ha->mem_only)
5627 		rc = pci_enable_device_mem(pdev);
5628 	else
5629 		rc = pci_enable_device(pdev);
5630 
5631 	if (rc) {
5632 		ql_log(ql_log_warn, base_vha, 0x9005,
5633 		    "Can't re-enable PCI device after reset.\n");
5634 		goto exit_slot_reset;
5635 	}
5636 
5637 	rsp = ha->rsp_q_map[0];
5638 	if (qla2x00_request_irqs(ha, rsp))
5639 		goto exit_slot_reset;
5640 
5641 	if (ha->isp_ops->pci_config(base_vha))
5642 		goto exit_slot_reset;
5643 
5644 	if (IS_QLA82XX(ha)) {
5645 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5646 			ret = PCI_ERS_RESULT_RECOVERED;
5647 			goto exit_slot_reset;
5648 		} else
5649 			goto exit_slot_reset;
5650 	}
5651 
5652 	while (ha->flags.mbox_busy && retries--)
5653 		msleep(1000);
5654 
5655 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5656 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5657 		ret =  PCI_ERS_RESULT_RECOVERED;
5658 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5659 
5660 
5661 exit_slot_reset:
5662 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5663 	    "slot_reset return %x.\n", ret);
5664 
5665 	return ret;
5666 }
5667 
5668 static void
5669 qla2xxx_pci_resume(struct pci_dev *pdev)
5670 {
5671 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5672 	struct qla_hw_data *ha = base_vha->hw;
5673 	int ret;
5674 
5675 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5676 	    "pci_resume.\n");
5677 
5678 	ret = qla2x00_wait_for_hba_online(base_vha);
5679 	if (ret != QLA_SUCCESS) {
5680 		ql_log(ql_log_fatal, base_vha, 0x9002,
5681 		    "The device failed to resume I/O from slot/link_reset.\n");
5682 	}
5683 
5684 	pci_cleanup_aer_uncorrect_error_status(pdev);
5685 
5686 	ha->flags.eeh_busy = 0;
5687 }
5688 
5689 static const struct pci_error_handlers qla2xxx_err_handler = {
5690 	.error_detected = qla2xxx_pci_error_detected,
5691 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
5692 	.slot_reset = qla2xxx_pci_slot_reset,
5693 	.resume = qla2xxx_pci_resume,
5694 };
5695 
5696 static struct pci_device_id qla2xxx_pci_tbl[] = {
5697 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5698 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5699 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5700 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5701 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5702 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5703 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5704 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5705 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5706 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5707 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5708 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5709 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5710 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5711 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5712 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5713 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5714 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5715 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5716 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5717 	{ 0 },
5718 };
5719 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5720 
5721 static struct pci_driver qla2xxx_pci_driver = {
5722 	.name		= QLA2XXX_DRIVER_NAME,
5723 	.driver		= {
5724 		.owner		= THIS_MODULE,
5725 	},
5726 	.id_table	= qla2xxx_pci_tbl,
5727 	.probe		= qla2x00_probe_one,
5728 	.remove		= qla2x00_remove_one,
5729 	.shutdown	= qla2x00_shutdown,
5730 	.err_handler	= &qla2xxx_err_handler,
5731 };
5732 
5733 static const struct file_operations apidev_fops = {
5734 	.owner = THIS_MODULE,
5735 	.llseek = noop_llseek,
5736 };
5737 
5738 /**
5739  * qla2x00_module_init - Module initialization.
5740  **/
5741 static int __init
5742 qla2x00_module_init(void)
5743 {
5744 	int ret = 0;
5745 
5746 	/* Allocate cache for SRBs. */
5747 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5748 	    SLAB_HWCACHE_ALIGN, NULL);
5749 	if (srb_cachep == NULL) {
5750 		ql_log(ql_log_fatal, NULL, 0x0001,
5751 		    "Unable to allocate SRB cache...Failing load!.\n");
5752 		return -ENOMEM;
5753 	}
5754 
5755 	/* Initialize target kmem_cache and mem_pools */
5756 	ret = qlt_init();
5757 	if (ret < 0) {
5758 		kmem_cache_destroy(srb_cachep);
5759 		return ret;
5760 	} else if (ret > 0) {
5761 		/*
5762 		 * If initiator mode is explictly disabled by qlt_init(),
5763 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5764 		 * performing scsi_scan_target() during LOOP UP event.
5765 		 */
5766 		qla2xxx_transport_functions.disable_target_scan = 1;
5767 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
5768 	}
5769 
5770 	/* Derive version string. */
5771 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5772 	if (ql2xextended_error_logging)
5773 		strcat(qla2x00_version_str, "-debug");
5774 
5775 	qla2xxx_transport_template =
5776 	    fc_attach_transport(&qla2xxx_transport_functions);
5777 	if (!qla2xxx_transport_template) {
5778 		kmem_cache_destroy(srb_cachep);
5779 		ql_log(ql_log_fatal, NULL, 0x0002,
5780 		    "fc_attach_transport failed...Failing load!.\n");
5781 		qlt_exit();
5782 		return -ENODEV;
5783 	}
5784 
5785 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5786 	if (apidev_major < 0) {
5787 		ql_log(ql_log_fatal, NULL, 0x0003,
5788 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5789 	}
5790 
5791 	qla2xxx_transport_vport_template =
5792 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
5793 	if (!qla2xxx_transport_vport_template) {
5794 		kmem_cache_destroy(srb_cachep);
5795 		qlt_exit();
5796 		fc_release_transport(qla2xxx_transport_template);
5797 		ql_log(ql_log_fatal, NULL, 0x0004,
5798 		    "fc_attach_transport vport failed...Failing load!.\n");
5799 		return -ENODEV;
5800 	}
5801 	ql_log(ql_log_info, NULL, 0x0005,
5802 	    "QLogic Fibre Channel HBA Driver: %s.\n",
5803 	    qla2x00_version_str);
5804 	ret = pci_register_driver(&qla2xxx_pci_driver);
5805 	if (ret) {
5806 		kmem_cache_destroy(srb_cachep);
5807 		qlt_exit();
5808 		fc_release_transport(qla2xxx_transport_template);
5809 		fc_release_transport(qla2xxx_transport_vport_template);
5810 		ql_log(ql_log_fatal, NULL, 0x0006,
5811 		    "pci_register_driver failed...ret=%d Failing load!.\n",
5812 		    ret);
5813 	}
5814 	return ret;
5815 }
5816 
5817 /**
5818  * qla2x00_module_exit - Module cleanup.
5819  **/
5820 static void __exit
5821 qla2x00_module_exit(void)
5822 {
5823 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5824 	pci_unregister_driver(&qla2xxx_pci_driver);
5825 	qla2x00_release_firmware();
5826 	kmem_cache_destroy(srb_cachep);
5827 	qlt_exit();
5828 	if (ctx_cachep)
5829 		kmem_cache_destroy(ctx_cachep);
5830 	fc_release_transport(qla2xxx_transport_template);
5831 	fc_release_transport(qla2xxx_transport_vport_template);
5832 }
5833 
5834 module_init(qla2x00_module_init);
5835 module_exit(qla2x00_module_exit);
5836 
5837 MODULE_AUTHOR("QLogic Corporation");
5838 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
5839 MODULE_LICENSE("GPL");
5840 MODULE_VERSION(QLA2XXX_VERSION);
5841 MODULE_FIRMWARE(FW_FILE_ISP21XX);
5842 MODULE_FIRMWARE(FW_FILE_ISP22XX);
5843 MODULE_FIRMWARE(FW_FILE_ISP2300);
5844 MODULE_FIRMWARE(FW_FILE_ISP2322);
5845 MODULE_FIRMWARE(FW_FILE_ISP24XX);
5846 MODULE_FIRMWARE(FW_FILE_ISP25XX);
5847