xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 23c2b932)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <scsi/scsi_tcq.h>
17 #include <scsi/scsicam.h>
18 #include <scsi/scsi_transport.h>
19 #include <scsi/scsi_transport_fc.h>
20 
21 #include "qla_target.h"
22 
23 /*
24  * Driver version
25  */
26 char qla2x00_version_str[40];
27 
28 static int apidev_major;
29 
30 /*
31  * SRB allocation cache
32  */
33 static struct kmem_cache *srb_cachep;
34 
35 /*
36  * CT6 CTX allocation cache
37  */
38 static struct kmem_cache *ctx_cachep;
39 /*
40  * error level for logging
41  */
42 int ql_errlev = ql_log_all;
43 
44 static int ql2xenableclass2;
45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
46 MODULE_PARM_DESC(ql2xenableclass2,
47 		"Specify if Class 2 operations are supported from the very "
48 		"beginning. Default is 0 - class 2 not supported.");
49 
50 
51 int ql2xlogintimeout = 20;
52 module_param(ql2xlogintimeout, int, S_IRUGO);
53 MODULE_PARM_DESC(ql2xlogintimeout,
54 		"Login timeout value in seconds.");
55 
56 int qlport_down_retry;
57 module_param(qlport_down_retry, int, S_IRUGO);
58 MODULE_PARM_DESC(qlport_down_retry,
59 		"Maximum number of command retries to a port that returns "
60 		"a PORT-DOWN status.");
61 
62 int ql2xplogiabsentdevice;
63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
65 		"Option to enable PLOGI to devices that are not present after "
66 		"a Fabric scan.  This is needed for several broken switches. "
67 		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");
68 
69 int ql2xloginretrycount = 0;
70 module_param(ql2xloginretrycount, int, S_IRUGO);
71 MODULE_PARM_DESC(ql2xloginretrycount,
72 		"Specify an alternate value for the NVRAM login retry count.");
73 
74 int ql2xallocfwdump = 1;
75 module_param(ql2xallocfwdump, int, S_IRUGO);
76 MODULE_PARM_DESC(ql2xallocfwdump,
77 		"Option to enable allocation of memory for a firmware dump "
78 		"during HBA initialization.  Memory allocation requirements "
79 		"vary by ISP type.  Default is 1 - allocate memory.");
80 
81 int ql2xextended_error_logging;
82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
83 MODULE_PARM_DESC(ql2xextended_error_logging,
84 		"Option to enable extended error logging,\n"
85 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
86 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
87 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
88 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
89 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
90 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
91 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
92 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
93 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
94 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
95 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
96 		"\t\t0x1e400000 - Preferred value for capturing essential "
97 		"debug information (equivalent to old "
98 		"ql2xextended_error_logging=1).\n"
99 		"\t\tDo LOGICAL OR of the value to enable more than one level");
100 
101 int ql2xshiftctondsd = 6;
102 module_param(ql2xshiftctondsd, int, S_IRUGO);
103 MODULE_PARM_DESC(ql2xshiftctondsd,
104 		"Set to control shifting of command type processing "
105 		"based on total number of SG elements.");
106 
107 int ql2xfdmienable=1;
108 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
109 MODULE_PARM_DESC(ql2xfdmienable,
110 		"Enables FDMI registrations. "
111 		"0 - no FDMI. Default is 1 - perform FDMI.");
112 
113 #define MAX_Q_DEPTH	32
114 static int ql2xmaxqdepth = MAX_Q_DEPTH;
115 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
116 MODULE_PARM_DESC(ql2xmaxqdepth,
117 		"Maximum queue depth to set for each LUN. "
118 		"Default is 32.");
119 
120 int ql2xenabledif = 2;
121 module_param(ql2xenabledif, int, S_IRUGO);
122 MODULE_PARM_DESC(ql2xenabledif,
123 		" Enable T10-CRC-DIF:\n"
124 		" Default is 2.\n"
125 		"  0 -- No DIF Support\n"
126 		"  1 -- Enable DIF for all types\n"
127 		"  2 -- Enable DIF for all types, except Type 0.\n");
128 
129 int ql2xenablehba_err_chk = 2;
130 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
131 MODULE_PARM_DESC(ql2xenablehba_err_chk,
132 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
133 		" Default is 2.\n"
134 		"  0 -- Error isolation disabled\n"
135 		"  1 -- Error isolation enabled only for DIX Type 0\n"
136 		"  2 -- Error isolation enabled for all Types\n");
137 
138 int ql2xiidmaenable=1;
139 module_param(ql2xiidmaenable, int, S_IRUGO);
140 MODULE_PARM_DESC(ql2xiidmaenable,
141 		"Enables iIDMA settings "
142 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
143 
144 int ql2xmaxqueues = 1;
145 module_param(ql2xmaxqueues, int, S_IRUGO);
146 MODULE_PARM_DESC(ql2xmaxqueues,
147 		"Enables MQ settings "
148 		"Default is 1 for single queue. Set it to number "
149 		"of queues in MQ mode.");
150 
151 int ql2xmultique_tag;
152 module_param(ql2xmultique_tag, int, S_IRUGO);
153 MODULE_PARM_DESC(ql2xmultique_tag,
154 		"Enables CPU affinity settings for the driver "
155 		"Default is 0 for no affinity of request and response IO. "
156 		"Set it to 1 to turn on the cpu affinity.");
157 
158 int ql2xfwloadbin;
159 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
160 MODULE_PARM_DESC(ql2xfwloadbin,
161 		"Option to specify location from which to load ISP firmware:.\n"
162 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
163 		"      interface.\n"
164 		" 1 -- load firmware from flash.\n"
165 		" 0 -- use default semantics.\n");
166 
167 int ql2xetsenable;
168 module_param(ql2xetsenable, int, S_IRUGO);
169 MODULE_PARM_DESC(ql2xetsenable,
170 		"Enables firmware ETS burst."
171 		"Default is 0 - skip ETS enablement.");
172 
173 int ql2xdbwr = 1;
174 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(ql2xdbwr,
176 		"Option to specify scheme for request queue posting.\n"
177 		" 0 -- Regular doorbell.\n"
178 		" 1 -- CAMRAM doorbell (faster).\n");
179 
180 int ql2xtargetreset = 1;
181 module_param(ql2xtargetreset, int, S_IRUGO);
182 MODULE_PARM_DESC(ql2xtargetreset,
183 		 "Enable target reset."
184 		 "Default is 1 - use hw defaults.");
185 
186 int ql2xgffidenable;
187 module_param(ql2xgffidenable, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xgffidenable,
189 		"Enables GFF_ID checks of port type. "
190 		"Default is 0 - Do not use GFF_ID information.");
191 
192 int ql2xasynctmfenable;
193 module_param(ql2xasynctmfenable, int, S_IRUGO);
194 MODULE_PARM_DESC(ql2xasynctmfenable,
195 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
196 		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
197 
198 int ql2xdontresethba;
199 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
200 MODULE_PARM_DESC(ql2xdontresethba,
201 		"Option to specify reset behaviour.\n"
202 		" 0 (Default) -- Reset on failure.\n"
203 		" 1 -- Do not reset on failure.\n");
204 
205 uint64_t ql2xmaxlun = MAX_LUNS;
206 module_param(ql2xmaxlun, ullong, S_IRUGO);
207 MODULE_PARM_DESC(ql2xmaxlun,
208 		"Defines the maximum LU number to register with the SCSI "
209 		"midlayer. Default is 65535.");
210 
211 int ql2xmdcapmask = 0x1F;
212 module_param(ql2xmdcapmask, int, S_IRUGO);
213 MODULE_PARM_DESC(ql2xmdcapmask,
214 		"Set the Minidump driver capture mask level. "
215 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
216 
217 int ql2xmdenable = 1;
218 module_param(ql2xmdenable, int, S_IRUGO);
219 MODULE_PARM_DESC(ql2xmdenable,
220 		"Enable/disable MiniDump. "
221 		"0 - MiniDump disabled. "
222 		"1 (Default) - MiniDump enabled.");
223 
224 int ql2xexlogins = 0;
225 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
226 MODULE_PARM_DESC(ql2xexlogins,
227 		 "Number of extended Logins. "
228 		 "0 (Default)- Disabled.");
229 
230 int ql2xexchoffld = 0;
231 module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR);
232 MODULE_PARM_DESC(ql2xexchoffld,
233 		 "Number of exchanges to offload. "
234 		 "0 (Default)- Disabled.");
235 
236 int ql2xfwholdabts = 0;
237 module_param(ql2xfwholdabts, int, S_IRUGO);
238 MODULE_PARM_DESC(ql2xfwholdabts,
239 		"Allow FW to hold status IOCB until ABTS rsp received. "
240 		"0 (Default) Do not set fw option. "
241 		"1 - Set fw option to hold ABTS.");
242 
243 /*
244  * SCSI host template entry points
245  */
246 static int qla2xxx_slave_configure(struct scsi_device * device);
247 static int qla2xxx_slave_alloc(struct scsi_device *);
248 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
249 static void qla2xxx_scan_start(struct Scsi_Host *);
250 static void qla2xxx_slave_destroy(struct scsi_device *);
251 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
252 static int qla2xxx_eh_abort(struct scsi_cmnd *);
253 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
254 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
255 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
256 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
257 
258 static void qla2x00_clear_drv_active(struct qla_hw_data *);
259 static void qla2x00_free_device(scsi_qla_host_t *);
260 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
261 
262 struct scsi_host_template qla2xxx_driver_template = {
263 	.module			= THIS_MODULE,
264 	.name			= QLA2XXX_DRIVER_NAME,
265 	.queuecommand		= qla2xxx_queuecommand,
266 
267 	.eh_abort_handler	= qla2xxx_eh_abort,
268 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
269 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
270 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
271 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
272 
273 	.slave_configure	= qla2xxx_slave_configure,
274 
275 	.slave_alloc		= qla2xxx_slave_alloc,
276 	.slave_destroy		= qla2xxx_slave_destroy,
277 	.scan_finished		= qla2xxx_scan_finished,
278 	.scan_start		= qla2xxx_scan_start,
279 	.change_queue_depth	= scsi_change_queue_depth,
280 	.this_id		= -1,
281 	.cmd_per_lun		= 3,
282 	.use_clustering		= ENABLE_CLUSTERING,
283 	.sg_tablesize		= SG_ALL,
284 
285 	.max_sectors		= 0xFFFF,
286 	.shost_attrs		= qla2x00_host_attrs,
287 
288 	.supported_mode		= MODE_INITIATOR,
289 	.track_queue_depth	= 1,
290 };
291 
292 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
293 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
294 
295 /* TODO Convert to inlines
296  *
297  * Timer routines
298  */
299 
300 __inline__ void
301 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
302 {
303 	init_timer(&vha->timer);
304 	vha->timer.expires = jiffies + interval * HZ;
305 	vha->timer.data = (unsigned long)vha;
306 	vha->timer.function = (void (*)(unsigned long))func;
307 	add_timer(&vha->timer);
308 	vha->timer_active = 1;
309 }
310 
311 static inline void
312 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
313 {
314 	/* Currently used for 82XX only. */
315 	if (vha->device_flags & DFLG_DEV_FAILED) {
316 		ql_dbg(ql_dbg_timer, vha, 0x600d,
317 		    "Device in a failed state, returning.\n");
318 		return;
319 	}
320 
321 	mod_timer(&vha->timer, jiffies + interval * HZ);
322 }
323 
324 static __inline__ void
325 qla2x00_stop_timer(scsi_qla_host_t *vha)
326 {
327 	del_timer_sync(&vha->timer);
328 	vha->timer_active = 0;
329 }
330 
331 static int qla2x00_do_dpc(void *data);
332 
333 static void qla2x00_rst_aen(scsi_qla_host_t *);
334 
335 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
336 	struct req_que **, struct rsp_que **);
337 static void qla2x00_free_fw_dump(struct qla_hw_data *);
338 static void qla2x00_mem_free(struct qla_hw_data *);
339 
340 /* -------------------------------------------------------------------------- */
341 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
342 				struct rsp_que *rsp)
343 {
344 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
345 	ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
346 				GFP_KERNEL);
347 	if (!ha->req_q_map) {
348 		ql_log(ql_log_fatal, vha, 0x003b,
349 		    "Unable to allocate memory for request queue ptrs.\n");
350 		goto fail_req_map;
351 	}
352 
353 	ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
354 				GFP_KERNEL);
355 	if (!ha->rsp_q_map) {
356 		ql_log(ql_log_fatal, vha, 0x003c,
357 		    "Unable to allocate memory for response queue ptrs.\n");
358 		goto fail_rsp_map;
359 	}
360 	/*
361 	 * Make sure we record at least the request and response queue zero in
362 	 * case we need to free them if part of the probe fails.
363 	 */
364 	ha->rsp_q_map[0] = rsp;
365 	ha->req_q_map[0] = req;
366 	set_bit(0, ha->rsp_qid_map);
367 	set_bit(0, ha->req_qid_map);
368 	return 1;
369 
370 fail_rsp_map:
371 	kfree(ha->req_q_map);
372 	ha->req_q_map = NULL;
373 fail_req_map:
374 	return -ENOMEM;
375 }
376 
377 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
378 {
379 	if (IS_QLAFX00(ha)) {
380 		if (req && req->ring_fx00)
381 			dma_free_coherent(&ha->pdev->dev,
382 			    (req->length_fx00 + 1) * sizeof(request_t),
383 			    req->ring_fx00, req->dma_fx00);
384 	} else if (req && req->ring)
385 		dma_free_coherent(&ha->pdev->dev,
386 		(req->length + 1) * sizeof(request_t),
387 		req->ring, req->dma);
388 
389 	if (req)
390 		kfree(req->outstanding_cmds);
391 
392 	kfree(req);
393 	req = NULL;
394 }
395 
396 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
397 {
398 	if (IS_QLAFX00(ha)) {
399 		if (rsp && rsp->ring)
400 			dma_free_coherent(&ha->pdev->dev,
401 			    (rsp->length_fx00 + 1) * sizeof(request_t),
402 			    rsp->ring_fx00, rsp->dma_fx00);
403 	} else if (rsp && rsp->ring) {
404 		dma_free_coherent(&ha->pdev->dev,
405 		(rsp->length + 1) * sizeof(response_t),
406 		rsp->ring, rsp->dma);
407 	}
408 	kfree(rsp);
409 	rsp = NULL;
410 }
411 
412 static void qla2x00_free_queues(struct qla_hw_data *ha)
413 {
414 	struct req_que *req;
415 	struct rsp_que *rsp;
416 	int cnt;
417 
418 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
419 		if (!test_bit(cnt, ha->req_qid_map))
420 			continue;
421 
422 		req = ha->req_q_map[cnt];
423 		qla2x00_free_req_que(ha, req);
424 	}
425 	kfree(ha->req_q_map);
426 	ha->req_q_map = NULL;
427 
428 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
429 		if (!test_bit(cnt, ha->rsp_qid_map))
430 			continue;
431 
432 		rsp = ha->rsp_q_map[cnt];
433 		qla2x00_free_rsp_que(ha, rsp);
434 	}
435 	kfree(ha->rsp_q_map);
436 	ha->rsp_q_map = NULL;
437 }
438 
439 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
440 {
441 	uint16_t options = 0;
442 	int ques, req, ret;
443 	struct qla_hw_data *ha = vha->hw;
444 
445 	if (!(ha->fw_attributes & BIT_6)) {
446 		ql_log(ql_log_warn, vha, 0x00d8,
447 		    "Firmware is not multi-queue capable.\n");
448 		goto fail;
449 	}
450 	if (ql2xmultique_tag) {
451 		/* create a request queue for IO */
452 		options |= BIT_7;
453 		req = qla25xx_create_req_que(ha, options, 0, 0, -1,
454 			QLA_DEFAULT_QUE_QOS);
455 		if (!req) {
456 			ql_log(ql_log_warn, vha, 0x00e0,
457 			    "Failed to create request queue.\n");
458 			goto fail;
459 		}
460 		ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
461 		vha->req = ha->req_q_map[req];
462 		options |= BIT_1;
463 		for (ques = 1; ques < ha->max_rsp_queues; ques++) {
464 			ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
465 			if (!ret) {
466 				ql_log(ql_log_warn, vha, 0x00e8,
467 				    "Failed to create response queue.\n");
468 				goto fail2;
469 			}
470 		}
471 		ha->flags.cpu_affinity_enabled = 1;
472 		ql_dbg(ql_dbg_multiq, vha, 0xc007,
473 		    "CPU affinity mode enabled, "
474 		    "no. of response queues:%d no. of request queues:%d.\n",
475 		    ha->max_rsp_queues, ha->max_req_queues);
476 		ql_dbg(ql_dbg_init, vha, 0x00e9,
477 		    "CPU affinity mode enabled, "
478 		    "no. of response queues:%d no. of request queues:%d.\n",
479 		    ha->max_rsp_queues, ha->max_req_queues);
480 	}
481 	return 0;
482 fail2:
483 	qla25xx_delete_queues(vha);
484 	destroy_workqueue(ha->wq);
485 	ha->wq = NULL;
486 	vha->req = ha->req_q_map[0];
487 fail:
488 	ha->mqenable = 0;
489 	kfree(ha->req_q_map);
490 	kfree(ha->rsp_q_map);
491 	ha->max_req_queues = ha->max_rsp_queues = 1;
492 	return 1;
493 }
494 
495 static char *
496 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
497 {
498 	struct qla_hw_data *ha = vha->hw;
499 	static char *pci_bus_modes[] = {
500 		"33", "66", "100", "133",
501 	};
502 	uint16_t pci_bus;
503 
504 	strcpy(str, "PCI");
505 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
506 	if (pci_bus) {
507 		strcat(str, "-X (");
508 		strcat(str, pci_bus_modes[pci_bus]);
509 	} else {
510 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
511 		strcat(str, " (");
512 		strcat(str, pci_bus_modes[pci_bus]);
513 	}
514 	strcat(str, " MHz)");
515 
516 	return (str);
517 }
518 
519 static char *
520 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
521 {
522 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
523 	struct qla_hw_data *ha = vha->hw;
524 	uint32_t pci_bus;
525 
526 	if (pci_is_pcie(ha->pdev)) {
527 		char lwstr[6];
528 		uint32_t lstat, lspeed, lwidth;
529 
530 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
531 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
532 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
533 
534 		strcpy(str, "PCIe (");
535 		switch (lspeed) {
536 		case 1:
537 			strcat(str, "2.5GT/s ");
538 			break;
539 		case 2:
540 			strcat(str, "5.0GT/s ");
541 			break;
542 		case 3:
543 			strcat(str, "8.0GT/s ");
544 			break;
545 		default:
546 			strcat(str, "<unknown> ");
547 			break;
548 		}
549 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
550 		strcat(str, lwstr);
551 
552 		return str;
553 	}
554 
555 	strcpy(str, "PCI");
556 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
557 	if (pci_bus == 0 || pci_bus == 8) {
558 		strcat(str, " (");
559 		strcat(str, pci_bus_modes[pci_bus >> 3]);
560 	} else {
561 		strcat(str, "-X ");
562 		if (pci_bus & BIT_2)
563 			strcat(str, "Mode 2");
564 		else
565 			strcat(str, "Mode 1");
566 		strcat(str, " (");
567 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
568 	}
569 	strcat(str, " MHz)");
570 
571 	return str;
572 }
573 
574 static char *
575 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
576 {
577 	char un_str[10];
578 	struct qla_hw_data *ha = vha->hw;
579 
580 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
581 	    ha->fw_minor_version, ha->fw_subminor_version);
582 
583 	if (ha->fw_attributes & BIT_9) {
584 		strcat(str, "FLX");
585 		return (str);
586 	}
587 
588 	switch (ha->fw_attributes & 0xFF) {
589 	case 0x7:
590 		strcat(str, "EF");
591 		break;
592 	case 0x17:
593 		strcat(str, "TP");
594 		break;
595 	case 0x37:
596 		strcat(str, "IP");
597 		break;
598 	case 0x77:
599 		strcat(str, "VI");
600 		break;
601 	default:
602 		sprintf(un_str, "(%x)", ha->fw_attributes);
603 		strcat(str, un_str);
604 		break;
605 	}
606 	if (ha->fw_attributes & 0x100)
607 		strcat(str, "X");
608 
609 	return (str);
610 }
611 
612 static char *
613 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
614 {
615 	struct qla_hw_data *ha = vha->hw;
616 
617 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
618 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
619 	return str;
620 }
621 
622 void
623 qla2x00_sp_free_dma(void *vha, void *ptr)
624 {
625 	srb_t *sp = (srb_t *)ptr;
626 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
627 	struct qla_hw_data *ha = sp->fcport->vha->hw;
628 	void *ctx = GET_CMD_CTX_SP(sp);
629 
630 	if (sp->flags & SRB_DMA_VALID) {
631 		scsi_dma_unmap(cmd);
632 		sp->flags &= ~SRB_DMA_VALID;
633 	}
634 
635 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
636 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
637 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
638 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
639 	}
640 
641 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
642 		/* List assured to be having elements */
643 		qla2x00_clean_dsd_pool(ha, sp, NULL);
644 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
645 	}
646 
647 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
648 		dma_pool_free(ha->dl_dma_pool, ctx,
649 		    ((struct crc_context *)ctx)->crc_ctx_dma);
650 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
651 	}
652 
653 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
654 		struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
655 
656 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
657 			ctx1->fcp_cmnd_dma);
658 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
659 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
660 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
661 		mempool_free(ctx1, ha->ctx_mempool);
662 		ctx1 = NULL;
663 	}
664 
665 	CMD_SP(cmd) = NULL;
666 	qla2x00_rel_sp(sp->fcport->vha, sp);
667 }
668 
669 static void
670 qla2x00_sp_compl(void *data, void *ptr, int res)
671 {
672 	struct qla_hw_data *ha = (struct qla_hw_data *)data;
673 	srb_t *sp = (srb_t *)ptr;
674 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
675 
676 	cmd->result = res;
677 
678 	if (atomic_read(&sp->ref_count) == 0) {
679 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
680 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
681 		    sp, GET_CMD_SP(sp));
682 		if (ql2xextended_error_logging & ql_dbg_io)
683 			WARN_ON(atomic_read(&sp->ref_count) == 0);
684 		return;
685 	}
686 	if (!atomic_dec_and_test(&sp->ref_count))
687 		return;
688 
689 	qla2x00_sp_free_dma(ha, sp);
690 	cmd->scsi_done(cmd);
691 }
692 
693 /* If we are SP1 here, we need to still take and release the host_lock as SP1
694  * does not have the changes necessary to avoid taking host->host_lock.
695  */
696 static int
697 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
698 {
699 	scsi_qla_host_t *vha = shost_priv(host);
700 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
701 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
702 	struct qla_hw_data *ha = vha->hw;
703 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
704 	srb_t *sp;
705 	int rval;
706 
707 	if (ha->flags.eeh_busy) {
708 		if (ha->flags.pci_channel_io_perm_failure) {
709 			ql_dbg(ql_dbg_aer, vha, 0x9010,
710 			    "PCI Channel IO permanent failure, exiting "
711 			    "cmd=%p.\n", cmd);
712 			cmd->result = DID_NO_CONNECT << 16;
713 		} else {
714 			ql_dbg(ql_dbg_aer, vha, 0x9011,
715 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
716 			cmd->result = DID_REQUEUE << 16;
717 		}
718 		goto qc24_fail_command;
719 	}
720 
721 	rval = fc_remote_port_chkready(rport);
722 	if (rval) {
723 		cmd->result = rval;
724 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
725 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
726 		    cmd, rval);
727 		goto qc24_fail_command;
728 	}
729 
730 	if (!vha->flags.difdix_supported &&
731 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
732 			ql_dbg(ql_dbg_io, vha, 0x3004,
733 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
734 			    cmd);
735 			cmd->result = DID_NO_CONNECT << 16;
736 			goto qc24_fail_command;
737 	}
738 
739 	if (!fcport) {
740 		cmd->result = DID_NO_CONNECT << 16;
741 		goto qc24_fail_command;
742 	}
743 
744 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
745 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
746 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
747 			ql_dbg(ql_dbg_io, vha, 0x3005,
748 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
749 			    atomic_read(&fcport->state),
750 			    atomic_read(&base_vha->loop_state));
751 			cmd->result = DID_NO_CONNECT << 16;
752 			goto qc24_fail_command;
753 		}
754 		goto qc24_target_busy;
755 	}
756 
757 	/*
758 	 * Return target busy if we've received a non-zero retry_delay_timer
759 	 * in a FCP_RSP.
760 	 */
761 	if (fcport->retry_delay_timestamp == 0) {
762 		/* retry delay not set */
763 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
764 		fcport->retry_delay_timestamp = 0;
765 	else
766 		goto qc24_target_busy;
767 
768 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
769 	if (!sp)
770 		goto qc24_host_busy;
771 
772 	sp->u.scmd.cmd = cmd;
773 	sp->type = SRB_SCSI_CMD;
774 	atomic_set(&sp->ref_count, 1);
775 	CMD_SP(cmd) = (void *)sp;
776 	sp->free = qla2x00_sp_free_dma;
777 	sp->done = qla2x00_sp_compl;
778 
779 	rval = ha->isp_ops->start_scsi(sp);
780 	if (rval != QLA_SUCCESS) {
781 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
782 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
783 		goto qc24_host_busy_free_sp;
784 	}
785 
786 	return 0;
787 
788 qc24_host_busy_free_sp:
789 	qla2x00_sp_free_dma(ha, sp);
790 
791 qc24_host_busy:
792 	return SCSI_MLQUEUE_HOST_BUSY;
793 
794 qc24_target_busy:
795 	return SCSI_MLQUEUE_TARGET_BUSY;
796 
797 qc24_fail_command:
798 	cmd->scsi_done(cmd);
799 
800 	return 0;
801 }
802 
803 /*
804  * qla2x00_eh_wait_on_command
805  *    Waits for the command to be returned by the Firmware for some
806  *    max time.
807  *
808  * Input:
809  *    cmd = Scsi Command to wait on.
810  *
811  * Return:
812  *    Not Found : 0
813  *    Found : 1
814  */
815 static int
816 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
817 {
818 #define ABORT_POLLING_PERIOD	1000
819 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
820 	unsigned long wait_iter = ABORT_WAIT_ITER;
821 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
822 	struct qla_hw_data *ha = vha->hw;
823 	int ret = QLA_SUCCESS;
824 
825 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
826 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
827 		    "Return:eh_wait.\n");
828 		return ret;
829 	}
830 
831 	while (CMD_SP(cmd) && wait_iter--) {
832 		msleep(ABORT_POLLING_PERIOD);
833 	}
834 	if (CMD_SP(cmd))
835 		ret = QLA_FUNCTION_FAILED;
836 
837 	return ret;
838 }
839 
840 /*
841  * qla2x00_wait_for_hba_online
842  *    Wait till the HBA is online after going through
843  *    <= MAX_RETRIES_OF_ISP_ABORT  or
844  *    finally HBA is disabled ie marked offline
845  *
846  * Input:
847  *     ha - pointer to host adapter structure
848  *
849  * Note:
850  *    Does context switching-Release SPIN_LOCK
851  *    (if any) before calling this routine.
852  *
853  * Return:
854  *    Success (Adapter is online) : 0
855  *    Failed  (Adapter is offline/disabled) : 1
856  */
857 int
858 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
859 {
860 	int		return_status;
861 	unsigned long	wait_online;
862 	struct qla_hw_data *ha = vha->hw;
863 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
864 
865 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
866 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
867 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
868 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
869 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
870 
871 		msleep(1000);
872 	}
873 	if (base_vha->flags.online)
874 		return_status = QLA_SUCCESS;
875 	else
876 		return_status = QLA_FUNCTION_FAILED;
877 
878 	return (return_status);
879 }
880 
881 /*
882  * qla2x00_wait_for_hba_ready
883  * Wait till the HBA is ready before doing driver unload
884  *
885  * Input:
886  *     ha - pointer to host adapter structure
887  *
888  * Note:
889  *    Does context switching-Release SPIN_LOCK
890  *    (if any) before calling this routine.
891  *
892  */
893 static void
894 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
895 {
896 	struct qla_hw_data *ha = vha->hw;
897 
898 	while (((qla2x00_reset_active(vha)) || ha->dpc_active ||
899 	    ha->flags.mbox_busy) ||
900 		test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
901 		test_bit(FX00_TARGET_SCAN, &vha->dpc_flags))
902 		msleep(1000);
903 }
904 
905 int
906 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
907 {
908 	int		return_status;
909 	unsigned long	wait_reset;
910 	struct qla_hw_data *ha = vha->hw;
911 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
912 
913 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
914 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
915 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
916 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
917 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
918 
919 		msleep(1000);
920 
921 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
922 		    ha->flags.chip_reset_done)
923 			break;
924 	}
925 	if (ha->flags.chip_reset_done)
926 		return_status = QLA_SUCCESS;
927 	else
928 		return_status = QLA_FUNCTION_FAILED;
929 
930 	return return_status;
931 }
932 
933 static void
934 sp_get(struct srb *sp)
935 {
936 	atomic_inc(&sp->ref_count);
937 }
938 
939 /**************************************************************************
940 * qla2xxx_eh_abort
941 *
942 * Description:
943 *    The abort function will abort the specified command.
944 *
945 * Input:
946 *    cmd = Linux SCSI command packet to be aborted.
947 *
948 * Returns:
949 *    Either SUCCESS or FAILED.
950 *
951 * Note:
952 *    Only return FAILED if command not returned by firmware.
953 **************************************************************************/
954 static int
955 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
956 {
957 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
958 	srb_t *sp;
959 	int ret;
960 	unsigned int id;
961 	uint64_t lun;
962 	unsigned long flags;
963 	int rval, wait = 0;
964 	struct qla_hw_data *ha = vha->hw;
965 
966 	if (!CMD_SP(cmd))
967 		return SUCCESS;
968 
969 	ret = fc_block_scsi_eh(cmd);
970 	if (ret != 0)
971 		return ret;
972 	ret = SUCCESS;
973 
974 	id = cmd->device->id;
975 	lun = cmd->device->lun;
976 
977 	spin_lock_irqsave(&ha->hardware_lock, flags);
978 	sp = (srb_t *) CMD_SP(cmd);
979 	if (!sp) {
980 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
981 		return SUCCESS;
982 	}
983 
984 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
985 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
986 	    vha->host_no, id, lun, sp, cmd, sp->handle);
987 
988 	/* Get a reference to the sp and drop the lock.*/
989 	sp_get(sp);
990 
991 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
992 	rval = ha->isp_ops->abort_command(sp);
993 	if (rval) {
994 		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
995 			ret = SUCCESS;
996 		else
997 			ret = FAILED;
998 
999 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1000 		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1001 	} else {
1002 		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1003 		    "Abort command mbx success cmd=%p.\n", cmd);
1004 		wait = 1;
1005 	}
1006 
1007 	spin_lock_irqsave(&ha->hardware_lock, flags);
1008 	sp->done(ha, sp, 0);
1009 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1010 
1011 	/* Did the command return during mailbox execution? */
1012 	if (ret == FAILED && !CMD_SP(cmd))
1013 		ret = SUCCESS;
1014 
1015 	/* Wait for the command to be returned. */
1016 	if (wait) {
1017 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1018 			ql_log(ql_log_warn, vha, 0x8006,
1019 			    "Abort handler timed out cmd=%p.\n", cmd);
1020 			ret = FAILED;
1021 		}
1022 	}
1023 
1024 	ql_log(ql_log_info, vha, 0x801c,
1025 	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1026 	    vha->host_no, id, lun, wait, ret);
1027 
1028 	return ret;
1029 }
1030 
1031 int
1032 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1033 	uint64_t l, enum nexus_wait_type type)
1034 {
1035 	int cnt, match, status;
1036 	unsigned long flags;
1037 	struct qla_hw_data *ha = vha->hw;
1038 	struct req_que *req;
1039 	srb_t *sp;
1040 	struct scsi_cmnd *cmd;
1041 
1042 	status = QLA_SUCCESS;
1043 
1044 	spin_lock_irqsave(&ha->hardware_lock, flags);
1045 	req = vha->req;
1046 	for (cnt = 1; status == QLA_SUCCESS &&
1047 		cnt < req->num_outstanding_cmds; cnt++) {
1048 		sp = req->outstanding_cmds[cnt];
1049 		if (!sp)
1050 			continue;
1051 		if (sp->type != SRB_SCSI_CMD)
1052 			continue;
1053 		if (vha->vp_idx != sp->fcport->vha->vp_idx)
1054 			continue;
1055 		match = 0;
1056 		cmd = GET_CMD_SP(sp);
1057 		switch (type) {
1058 		case WAIT_HOST:
1059 			match = 1;
1060 			break;
1061 		case WAIT_TARGET:
1062 			match = cmd->device->id == t;
1063 			break;
1064 		case WAIT_LUN:
1065 			match = (cmd->device->id == t &&
1066 				cmd->device->lun == l);
1067 			break;
1068 		}
1069 		if (!match)
1070 			continue;
1071 
1072 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1073 		status = qla2x00_eh_wait_on_command(cmd);
1074 		spin_lock_irqsave(&ha->hardware_lock, flags);
1075 	}
1076 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1077 
1078 	return status;
1079 }
1080 
1081 static char *reset_errors[] = {
1082 	"HBA not online",
1083 	"HBA not ready",
1084 	"Task management failed",
1085 	"Waiting for command completions",
1086 };
1087 
1088 static int
1089 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1090     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1091 {
1092 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1093 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1094 	int err;
1095 
1096 	if (!fcport) {
1097 		return FAILED;
1098 	}
1099 
1100 	err = fc_block_scsi_eh(cmd);
1101 	if (err != 0)
1102 		return err;
1103 
1104 	ql_log(ql_log_info, vha, 0x8009,
1105 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1106 	    cmd->device->id, cmd->device->lun, cmd);
1107 
1108 	err = 0;
1109 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1110 		ql_log(ql_log_warn, vha, 0x800a,
1111 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1112 		goto eh_reset_failed;
1113 	}
1114 	err = 2;
1115 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1116 		!= QLA_SUCCESS) {
1117 		ql_log(ql_log_warn, vha, 0x800c,
1118 		    "do_reset failed for cmd=%p.\n", cmd);
1119 		goto eh_reset_failed;
1120 	}
1121 	err = 3;
1122 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1123 	    cmd->device->lun, type) != QLA_SUCCESS) {
1124 		ql_log(ql_log_warn, vha, 0x800d,
1125 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1126 		goto eh_reset_failed;
1127 	}
1128 
1129 	ql_log(ql_log_info, vha, 0x800e,
1130 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1131 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1132 
1133 	return SUCCESS;
1134 
1135 eh_reset_failed:
1136 	ql_log(ql_log_info, vha, 0x800f,
1137 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1138 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1139 	    cmd);
1140 	return FAILED;
1141 }
1142 
1143 static int
1144 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1145 {
1146 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1147 	struct qla_hw_data *ha = vha->hw;
1148 
1149 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1150 	    ha->isp_ops->lun_reset);
1151 }
1152 
1153 static int
1154 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1155 {
1156 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1157 	struct qla_hw_data *ha = vha->hw;
1158 
1159 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1160 	    ha->isp_ops->target_reset);
1161 }
1162 
1163 /**************************************************************************
1164 * qla2xxx_eh_bus_reset
1165 *
1166 * Description:
1167 *    The bus reset function will reset the bus and abort any executing
1168 *    commands.
1169 *
1170 * Input:
1171 *    cmd = Linux SCSI command packet of the command that cause the
1172 *          bus reset.
1173 *
1174 * Returns:
1175 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1176 *
1177 **************************************************************************/
1178 static int
1179 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1180 {
1181 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1182 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1183 	int ret = FAILED;
1184 	unsigned int id;
1185 	uint64_t lun;
1186 
1187 	id = cmd->device->id;
1188 	lun = cmd->device->lun;
1189 
1190 	if (!fcport) {
1191 		return ret;
1192 	}
1193 
1194 	ret = fc_block_scsi_eh(cmd);
1195 	if (ret != 0)
1196 		return ret;
1197 	ret = FAILED;
1198 
1199 	ql_log(ql_log_info, vha, 0x8012,
1200 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1201 
1202 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1203 		ql_log(ql_log_fatal, vha, 0x8013,
1204 		    "Wait for hba online failed board disabled.\n");
1205 		goto eh_bus_reset_done;
1206 	}
1207 
1208 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1209 		ret = SUCCESS;
1210 
1211 	if (ret == FAILED)
1212 		goto eh_bus_reset_done;
1213 
1214 	/* Flush outstanding commands. */
1215 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1216 	    QLA_SUCCESS) {
1217 		ql_log(ql_log_warn, vha, 0x8014,
1218 		    "Wait for pending commands failed.\n");
1219 		ret = FAILED;
1220 	}
1221 
1222 eh_bus_reset_done:
1223 	ql_log(ql_log_warn, vha, 0x802b,
1224 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1225 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1226 
1227 	return ret;
1228 }
1229 
1230 /**************************************************************************
1231 * qla2xxx_eh_host_reset
1232 *
1233 * Description:
1234 *    The reset function will reset the Adapter.
1235 *
1236 * Input:
1237 *      cmd = Linux SCSI command packet of the command that cause the
1238 *            adapter reset.
1239 *
1240 * Returns:
1241 *      Either SUCCESS or FAILED.
1242 *
1243 * Note:
1244 **************************************************************************/
1245 static int
1246 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1247 {
1248 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1249 	struct qla_hw_data *ha = vha->hw;
1250 	int ret = FAILED;
1251 	unsigned int id;
1252 	uint64_t lun;
1253 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1254 
1255 	id = cmd->device->id;
1256 	lun = cmd->device->lun;
1257 
1258 	ql_log(ql_log_info, vha, 0x8018,
1259 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1260 
1261 	/*
1262 	 * No point in issuing another reset if one is active.  Also do not
1263 	 * attempt a reset if we are updating flash.
1264 	 */
1265 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1266 		goto eh_host_reset_lock;
1267 
1268 	if (vha != base_vha) {
1269 		if (qla2x00_vp_abort_isp(vha))
1270 			goto eh_host_reset_lock;
1271 	} else {
1272 		if (IS_P3P_TYPE(vha->hw)) {
1273 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1274 				/* Ctx reset success */
1275 				ret = SUCCESS;
1276 				goto eh_host_reset_lock;
1277 			}
1278 			/* fall thru if ctx reset failed */
1279 		}
1280 		if (ha->wq)
1281 			flush_workqueue(ha->wq);
1282 
1283 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1284 		if (ha->isp_ops->abort_isp(base_vha)) {
1285 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1286 			/* failed. schedule dpc to try */
1287 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1288 
1289 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1290 				ql_log(ql_log_warn, vha, 0x802a,
1291 				    "wait for hba online failed.\n");
1292 				goto eh_host_reset_lock;
1293 			}
1294 		}
1295 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1296 	}
1297 
1298 	/* Waiting for command to be returned to OS.*/
1299 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1300 		QLA_SUCCESS)
1301 		ret = SUCCESS;
1302 
1303 eh_host_reset_lock:
1304 	ql_log(ql_log_info, vha, 0x8017,
1305 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1306 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1307 
1308 	return ret;
1309 }
1310 
1311 /*
1312 * qla2x00_loop_reset
1313 *      Issue loop reset.
1314 *
1315 * Input:
1316 *      ha = adapter block pointer.
1317 *
1318 * Returns:
1319 *      0 = success
1320 */
1321 int
1322 qla2x00_loop_reset(scsi_qla_host_t *vha)
1323 {
1324 	int ret;
1325 	struct fc_port *fcport;
1326 	struct qla_hw_data *ha = vha->hw;
1327 
1328 	if (IS_QLAFX00(ha)) {
1329 		return qlafx00_loop_reset(vha);
1330 	}
1331 
1332 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1333 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1334 			if (fcport->port_type != FCT_TARGET)
1335 				continue;
1336 
1337 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1338 			if (ret != QLA_SUCCESS) {
1339 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1340 				    "Bus Reset failed: Reset=%d "
1341 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1342 			}
1343 		}
1344 	}
1345 
1346 
1347 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1348 		atomic_set(&vha->loop_state, LOOP_DOWN);
1349 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1350 		qla2x00_mark_all_devices_lost(vha, 0);
1351 		ret = qla2x00_full_login_lip(vha);
1352 		if (ret != QLA_SUCCESS) {
1353 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1354 			    "full_login_lip=%d.\n", ret);
1355 		}
1356 	}
1357 
1358 	if (ha->flags.enable_lip_reset) {
1359 		ret = qla2x00_lip_reset(vha);
1360 		if (ret != QLA_SUCCESS)
1361 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1362 			    "lip_reset failed (%d).\n", ret);
1363 	}
1364 
1365 	/* Issue marker command only when we are going to start the I/O */
1366 	vha->marker_needed = 1;
1367 
1368 	return QLA_SUCCESS;
1369 }
1370 
1371 void
1372 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1373 {
1374 	int que, cnt;
1375 	unsigned long flags;
1376 	srb_t *sp;
1377 	struct qla_hw_data *ha = vha->hw;
1378 	struct req_que *req;
1379 
1380 	qlt_host_reset_handler(ha);
1381 
1382 	spin_lock_irqsave(&ha->hardware_lock, flags);
1383 	for (que = 0; que < ha->max_req_queues; que++) {
1384 		req = ha->req_q_map[que];
1385 		if (!req)
1386 			continue;
1387 		if (!req->outstanding_cmds)
1388 			continue;
1389 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1390 			sp = req->outstanding_cmds[cnt];
1391 			if (sp) {
1392 				req->outstanding_cmds[cnt] = NULL;
1393 				sp->done(vha, sp, res);
1394 			}
1395 		}
1396 	}
1397 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1398 }
1399 
1400 static int
1401 qla2xxx_slave_alloc(struct scsi_device *sdev)
1402 {
1403 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1404 
1405 	if (!rport || fc_remote_port_chkready(rport))
1406 		return -ENXIO;
1407 
1408 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1409 
1410 	return 0;
1411 }
1412 
1413 static int
1414 qla2xxx_slave_configure(struct scsi_device *sdev)
1415 {
1416 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1417 	struct req_que *req = vha->req;
1418 
1419 	if (IS_T10_PI_CAPABLE(vha->hw))
1420 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1421 
1422 	scsi_change_queue_depth(sdev, req->max_q_depth);
1423 	return 0;
1424 }
1425 
1426 static void
1427 qla2xxx_slave_destroy(struct scsi_device *sdev)
1428 {
1429 	sdev->hostdata = NULL;
1430 }
1431 
1432 /**
1433  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1434  * @ha: HA context
1435  *
1436  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1437  * supported addressing method.
1438  */
1439 static void
1440 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1441 {
1442 	/* Assume a 32bit DMA mask. */
1443 	ha->flags.enable_64bit_addressing = 0;
1444 
1445 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1446 		/* Any upper-dword bits set? */
1447 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1448 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1449 			/* Ok, a 64bit DMA mask is applicable. */
1450 			ha->flags.enable_64bit_addressing = 1;
1451 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1452 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1453 			return;
1454 		}
1455 	}
1456 
1457 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1458 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1459 }
1460 
1461 static void
1462 qla2x00_enable_intrs(struct qla_hw_data *ha)
1463 {
1464 	unsigned long flags = 0;
1465 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1466 
1467 	spin_lock_irqsave(&ha->hardware_lock, flags);
1468 	ha->interrupts_on = 1;
1469 	/* enable risc and host interrupts */
1470 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1471 	RD_REG_WORD(&reg->ictrl);
1472 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1473 
1474 }
1475 
1476 static void
1477 qla2x00_disable_intrs(struct qla_hw_data *ha)
1478 {
1479 	unsigned long flags = 0;
1480 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1481 
1482 	spin_lock_irqsave(&ha->hardware_lock, flags);
1483 	ha->interrupts_on = 0;
1484 	/* disable risc and host interrupts */
1485 	WRT_REG_WORD(&reg->ictrl, 0);
1486 	RD_REG_WORD(&reg->ictrl);
1487 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1488 }
1489 
1490 static void
1491 qla24xx_enable_intrs(struct qla_hw_data *ha)
1492 {
1493 	unsigned long flags = 0;
1494 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1495 
1496 	spin_lock_irqsave(&ha->hardware_lock, flags);
1497 	ha->interrupts_on = 1;
1498 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1499 	RD_REG_DWORD(&reg->ictrl);
1500 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1501 }
1502 
1503 static void
1504 qla24xx_disable_intrs(struct qla_hw_data *ha)
1505 {
1506 	unsigned long flags = 0;
1507 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1508 
1509 	if (IS_NOPOLLING_TYPE(ha))
1510 		return;
1511 	spin_lock_irqsave(&ha->hardware_lock, flags);
1512 	ha->interrupts_on = 0;
1513 	WRT_REG_DWORD(&reg->ictrl, 0);
1514 	RD_REG_DWORD(&reg->ictrl);
1515 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1516 }
1517 
1518 static int
1519 qla2x00_iospace_config(struct qla_hw_data *ha)
1520 {
1521 	resource_size_t pio;
1522 	uint16_t msix;
1523 	int cpus;
1524 
1525 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1526 	    QLA2XXX_DRIVER_NAME)) {
1527 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1528 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1529 		    pci_name(ha->pdev));
1530 		goto iospace_error_exit;
1531 	}
1532 	if (!(ha->bars & 1))
1533 		goto skip_pio;
1534 
1535 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1536 	pio = pci_resource_start(ha->pdev, 0);
1537 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1538 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1539 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1540 			    "Invalid pci I/O region size (%s).\n",
1541 			    pci_name(ha->pdev));
1542 			pio = 0;
1543 		}
1544 	} else {
1545 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1546 		    "Region #0 no a PIO resource (%s).\n",
1547 		    pci_name(ha->pdev));
1548 		pio = 0;
1549 	}
1550 	ha->pio_address = pio;
1551 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1552 	    "PIO address=%llu.\n",
1553 	    (unsigned long long)ha->pio_address);
1554 
1555 skip_pio:
1556 	/* Use MMIO operations for all accesses. */
1557 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1558 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1559 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1560 		    pci_name(ha->pdev));
1561 		goto iospace_error_exit;
1562 	}
1563 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1564 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1565 		    "Invalid PCI mem region size (%s), aborting.\n",
1566 		    pci_name(ha->pdev));
1567 		goto iospace_error_exit;
1568 	}
1569 
1570 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1571 	if (!ha->iobase) {
1572 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1573 		    "Cannot remap MMIO (%s), aborting.\n",
1574 		    pci_name(ha->pdev));
1575 		goto iospace_error_exit;
1576 	}
1577 
1578 	/* Determine queue resources */
1579 	ha->max_req_queues = ha->max_rsp_queues = 1;
1580 	if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1581 		(ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1582 		(!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1583 		goto mqiobase_exit;
1584 
1585 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1586 			pci_resource_len(ha->pdev, 3));
1587 	if (ha->mqiobase) {
1588 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1589 		    "MQIO Base=%p.\n", ha->mqiobase);
1590 		/* Read MSIX vector size of the board */
1591 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1592 		ha->msix_count = msix;
1593 		/* Max queues are bounded by available msix vectors */
1594 		/* queue 0 uses two msix vectors */
1595 		if (ql2xmultique_tag) {
1596 			cpus = num_online_cpus();
1597 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1598 				(cpus + 1) : (ha->msix_count - 1);
1599 			ha->max_req_queues = 2;
1600 		} else if (ql2xmaxqueues > 1) {
1601 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1602 			    QLA_MQ_SIZE : ql2xmaxqueues;
1603 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1604 			    "QoS mode set, max no of request queues:%d.\n",
1605 			    ha->max_req_queues);
1606 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1607 			    "QoS mode set, max no of request queues:%d.\n",
1608 			    ha->max_req_queues);
1609 		}
1610 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1611 		    "MSI-X vector count: %d.\n", msix);
1612 	} else
1613 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1614 		    "BAR 3 not enabled.\n");
1615 
1616 mqiobase_exit:
1617 	ha->msix_count = ha->max_rsp_queues + 1;
1618 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1619 	    "MSIX Count:%d.\n", ha->msix_count);
1620 	return (0);
1621 
1622 iospace_error_exit:
1623 	return (-ENOMEM);
1624 }
1625 
1626 
1627 static int
1628 qla83xx_iospace_config(struct qla_hw_data *ha)
1629 {
1630 	uint16_t msix;
1631 	int cpus;
1632 
1633 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1634 	    QLA2XXX_DRIVER_NAME)) {
1635 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1636 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1637 		    pci_name(ha->pdev));
1638 
1639 		goto iospace_error_exit;
1640 	}
1641 
1642 	/* Use MMIO operations for all accesses. */
1643 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1644 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1645 		    "Invalid pci I/O region size (%s).\n",
1646 		    pci_name(ha->pdev));
1647 		goto iospace_error_exit;
1648 	}
1649 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1650 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1651 		    "Invalid PCI mem region size (%s), aborting\n",
1652 			pci_name(ha->pdev));
1653 		goto iospace_error_exit;
1654 	}
1655 
1656 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1657 	if (!ha->iobase) {
1658 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1659 		    "Cannot remap MMIO (%s), aborting.\n",
1660 		    pci_name(ha->pdev));
1661 		goto iospace_error_exit;
1662 	}
1663 
1664 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1665 	/* 83XX 26XX always use MQ type access for queues
1666 	 * - mbar 2, a.k.a region 4 */
1667 	ha->max_req_queues = ha->max_rsp_queues = 1;
1668 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1669 			pci_resource_len(ha->pdev, 4));
1670 
1671 	if (!ha->mqiobase) {
1672 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1673 		    "BAR2/region4 not enabled\n");
1674 		goto mqiobase_exit;
1675 	}
1676 
1677 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1678 			pci_resource_len(ha->pdev, 2));
1679 	if (ha->msixbase) {
1680 		/* Read MSIX vector size of the board */
1681 		pci_read_config_word(ha->pdev,
1682 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
1683 		ha->msix_count = msix;
1684 		/* Max queues are bounded by available msix vectors */
1685 		/* queue 0 uses two msix vectors */
1686 		if (ql2xmultique_tag) {
1687 			cpus = num_online_cpus();
1688 			ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1689 				(cpus + 1) : (ha->msix_count - 1);
1690 			ha->max_req_queues = 2;
1691 		} else if (ql2xmaxqueues > 1) {
1692 			ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1693 						QLA_MQ_SIZE : ql2xmaxqueues;
1694 			ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1695 			    "QoS mode set, max no of request queues:%d.\n",
1696 			    ha->max_req_queues);
1697 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1698 			    "QoS mode set, max no of request queues:%d.\n",
1699 			    ha->max_req_queues);
1700 		}
1701 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1702 		    "MSI-X vector count: %d.\n", msix);
1703 	} else
1704 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1705 		    "BAR 1 not enabled.\n");
1706 
1707 mqiobase_exit:
1708 	ha->msix_count = ha->max_rsp_queues + 1;
1709 
1710 	qlt_83xx_iospace_config(ha);
1711 
1712 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1713 	    "MSIX Count:%d.\n", ha->msix_count);
1714 	return 0;
1715 
1716 iospace_error_exit:
1717 	return -ENOMEM;
1718 }
1719 
1720 static struct isp_operations qla2100_isp_ops = {
1721 	.pci_config		= qla2100_pci_config,
1722 	.reset_chip		= qla2x00_reset_chip,
1723 	.chip_diag		= qla2x00_chip_diag,
1724 	.config_rings		= qla2x00_config_rings,
1725 	.reset_adapter		= qla2x00_reset_adapter,
1726 	.nvram_config		= qla2x00_nvram_config,
1727 	.update_fw_options	= qla2x00_update_fw_options,
1728 	.load_risc		= qla2x00_load_risc,
1729 	.pci_info_str		= qla2x00_pci_info_str,
1730 	.fw_version_str		= qla2x00_fw_version_str,
1731 	.intr_handler		= qla2100_intr_handler,
1732 	.enable_intrs		= qla2x00_enable_intrs,
1733 	.disable_intrs		= qla2x00_disable_intrs,
1734 	.abort_command		= qla2x00_abort_command,
1735 	.target_reset		= qla2x00_abort_target,
1736 	.lun_reset		= qla2x00_lun_reset,
1737 	.fabric_login		= qla2x00_login_fabric,
1738 	.fabric_logout		= qla2x00_fabric_logout,
1739 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1740 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1741 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1742 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1743 	.read_nvram		= qla2x00_read_nvram_data,
1744 	.write_nvram		= qla2x00_write_nvram_data,
1745 	.fw_dump		= qla2100_fw_dump,
1746 	.beacon_on		= NULL,
1747 	.beacon_off		= NULL,
1748 	.beacon_blink		= NULL,
1749 	.read_optrom		= qla2x00_read_optrom_data,
1750 	.write_optrom		= qla2x00_write_optrom_data,
1751 	.get_flash_version	= qla2x00_get_flash_version,
1752 	.start_scsi		= qla2x00_start_scsi,
1753 	.abort_isp		= qla2x00_abort_isp,
1754 	.iospace_config     	= qla2x00_iospace_config,
1755 	.initialize_adapter	= qla2x00_initialize_adapter,
1756 };
1757 
1758 static struct isp_operations qla2300_isp_ops = {
1759 	.pci_config		= qla2300_pci_config,
1760 	.reset_chip		= qla2x00_reset_chip,
1761 	.chip_diag		= qla2x00_chip_diag,
1762 	.config_rings		= qla2x00_config_rings,
1763 	.reset_adapter		= qla2x00_reset_adapter,
1764 	.nvram_config		= qla2x00_nvram_config,
1765 	.update_fw_options	= qla2x00_update_fw_options,
1766 	.load_risc		= qla2x00_load_risc,
1767 	.pci_info_str		= qla2x00_pci_info_str,
1768 	.fw_version_str		= qla2x00_fw_version_str,
1769 	.intr_handler		= qla2300_intr_handler,
1770 	.enable_intrs		= qla2x00_enable_intrs,
1771 	.disable_intrs		= qla2x00_disable_intrs,
1772 	.abort_command		= qla2x00_abort_command,
1773 	.target_reset		= qla2x00_abort_target,
1774 	.lun_reset		= qla2x00_lun_reset,
1775 	.fabric_login		= qla2x00_login_fabric,
1776 	.fabric_logout		= qla2x00_fabric_logout,
1777 	.calc_req_entries	= qla2x00_calc_iocbs_32,
1778 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
1779 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
1780 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
1781 	.read_nvram		= qla2x00_read_nvram_data,
1782 	.write_nvram		= qla2x00_write_nvram_data,
1783 	.fw_dump		= qla2300_fw_dump,
1784 	.beacon_on		= qla2x00_beacon_on,
1785 	.beacon_off		= qla2x00_beacon_off,
1786 	.beacon_blink		= qla2x00_beacon_blink,
1787 	.read_optrom		= qla2x00_read_optrom_data,
1788 	.write_optrom		= qla2x00_write_optrom_data,
1789 	.get_flash_version	= qla2x00_get_flash_version,
1790 	.start_scsi		= qla2x00_start_scsi,
1791 	.abort_isp		= qla2x00_abort_isp,
1792 	.iospace_config		= qla2x00_iospace_config,
1793 	.initialize_adapter	= qla2x00_initialize_adapter,
1794 };
1795 
1796 static struct isp_operations qla24xx_isp_ops = {
1797 	.pci_config		= qla24xx_pci_config,
1798 	.reset_chip		= qla24xx_reset_chip,
1799 	.chip_diag		= qla24xx_chip_diag,
1800 	.config_rings		= qla24xx_config_rings,
1801 	.reset_adapter		= qla24xx_reset_adapter,
1802 	.nvram_config		= qla24xx_nvram_config,
1803 	.update_fw_options	= qla24xx_update_fw_options,
1804 	.load_risc		= qla24xx_load_risc,
1805 	.pci_info_str		= qla24xx_pci_info_str,
1806 	.fw_version_str		= qla24xx_fw_version_str,
1807 	.intr_handler		= qla24xx_intr_handler,
1808 	.enable_intrs		= qla24xx_enable_intrs,
1809 	.disable_intrs		= qla24xx_disable_intrs,
1810 	.abort_command		= qla24xx_abort_command,
1811 	.target_reset		= qla24xx_abort_target,
1812 	.lun_reset		= qla24xx_lun_reset,
1813 	.fabric_login		= qla24xx_login_fabric,
1814 	.fabric_logout		= qla24xx_fabric_logout,
1815 	.calc_req_entries	= NULL,
1816 	.build_iocbs		= NULL,
1817 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1818 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1819 	.read_nvram		= qla24xx_read_nvram_data,
1820 	.write_nvram		= qla24xx_write_nvram_data,
1821 	.fw_dump		= qla24xx_fw_dump,
1822 	.beacon_on		= qla24xx_beacon_on,
1823 	.beacon_off		= qla24xx_beacon_off,
1824 	.beacon_blink		= qla24xx_beacon_blink,
1825 	.read_optrom		= qla24xx_read_optrom_data,
1826 	.write_optrom		= qla24xx_write_optrom_data,
1827 	.get_flash_version	= qla24xx_get_flash_version,
1828 	.start_scsi		= qla24xx_start_scsi,
1829 	.abort_isp		= qla2x00_abort_isp,
1830 	.iospace_config		= qla2x00_iospace_config,
1831 	.initialize_adapter	= qla2x00_initialize_adapter,
1832 };
1833 
1834 static struct isp_operations qla25xx_isp_ops = {
1835 	.pci_config		= qla25xx_pci_config,
1836 	.reset_chip		= qla24xx_reset_chip,
1837 	.chip_diag		= qla24xx_chip_diag,
1838 	.config_rings		= qla24xx_config_rings,
1839 	.reset_adapter		= qla24xx_reset_adapter,
1840 	.nvram_config		= qla24xx_nvram_config,
1841 	.update_fw_options	= qla24xx_update_fw_options,
1842 	.load_risc		= qla24xx_load_risc,
1843 	.pci_info_str		= qla24xx_pci_info_str,
1844 	.fw_version_str		= qla24xx_fw_version_str,
1845 	.intr_handler		= qla24xx_intr_handler,
1846 	.enable_intrs		= qla24xx_enable_intrs,
1847 	.disable_intrs		= qla24xx_disable_intrs,
1848 	.abort_command		= qla24xx_abort_command,
1849 	.target_reset		= qla24xx_abort_target,
1850 	.lun_reset		= qla24xx_lun_reset,
1851 	.fabric_login		= qla24xx_login_fabric,
1852 	.fabric_logout		= qla24xx_fabric_logout,
1853 	.calc_req_entries	= NULL,
1854 	.build_iocbs		= NULL,
1855 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1856 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1857 	.read_nvram		= qla25xx_read_nvram_data,
1858 	.write_nvram		= qla25xx_write_nvram_data,
1859 	.fw_dump		= qla25xx_fw_dump,
1860 	.beacon_on		= qla24xx_beacon_on,
1861 	.beacon_off		= qla24xx_beacon_off,
1862 	.beacon_blink		= qla24xx_beacon_blink,
1863 	.read_optrom		= qla25xx_read_optrom_data,
1864 	.write_optrom		= qla24xx_write_optrom_data,
1865 	.get_flash_version	= qla24xx_get_flash_version,
1866 	.start_scsi		= qla24xx_dif_start_scsi,
1867 	.abort_isp		= qla2x00_abort_isp,
1868 	.iospace_config		= qla2x00_iospace_config,
1869 	.initialize_adapter	= qla2x00_initialize_adapter,
1870 };
1871 
1872 static struct isp_operations qla81xx_isp_ops = {
1873 	.pci_config		= qla25xx_pci_config,
1874 	.reset_chip		= qla24xx_reset_chip,
1875 	.chip_diag		= qla24xx_chip_diag,
1876 	.config_rings		= qla24xx_config_rings,
1877 	.reset_adapter		= qla24xx_reset_adapter,
1878 	.nvram_config		= qla81xx_nvram_config,
1879 	.update_fw_options	= qla81xx_update_fw_options,
1880 	.load_risc		= qla81xx_load_risc,
1881 	.pci_info_str		= qla24xx_pci_info_str,
1882 	.fw_version_str		= qla24xx_fw_version_str,
1883 	.intr_handler		= qla24xx_intr_handler,
1884 	.enable_intrs		= qla24xx_enable_intrs,
1885 	.disable_intrs		= qla24xx_disable_intrs,
1886 	.abort_command		= qla24xx_abort_command,
1887 	.target_reset		= qla24xx_abort_target,
1888 	.lun_reset		= qla24xx_lun_reset,
1889 	.fabric_login		= qla24xx_login_fabric,
1890 	.fabric_logout		= qla24xx_fabric_logout,
1891 	.calc_req_entries	= NULL,
1892 	.build_iocbs		= NULL,
1893 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1894 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1895 	.read_nvram		= NULL,
1896 	.write_nvram		= NULL,
1897 	.fw_dump		= qla81xx_fw_dump,
1898 	.beacon_on		= qla24xx_beacon_on,
1899 	.beacon_off		= qla24xx_beacon_off,
1900 	.beacon_blink		= qla83xx_beacon_blink,
1901 	.read_optrom		= qla25xx_read_optrom_data,
1902 	.write_optrom		= qla24xx_write_optrom_data,
1903 	.get_flash_version	= qla24xx_get_flash_version,
1904 	.start_scsi		= qla24xx_dif_start_scsi,
1905 	.abort_isp		= qla2x00_abort_isp,
1906 	.iospace_config		= qla2x00_iospace_config,
1907 	.initialize_adapter	= qla2x00_initialize_adapter,
1908 };
1909 
1910 static struct isp_operations qla82xx_isp_ops = {
1911 	.pci_config		= qla82xx_pci_config,
1912 	.reset_chip		= qla82xx_reset_chip,
1913 	.chip_diag		= qla24xx_chip_diag,
1914 	.config_rings		= qla82xx_config_rings,
1915 	.reset_adapter		= qla24xx_reset_adapter,
1916 	.nvram_config		= qla81xx_nvram_config,
1917 	.update_fw_options	= qla24xx_update_fw_options,
1918 	.load_risc		= qla82xx_load_risc,
1919 	.pci_info_str		= qla24xx_pci_info_str,
1920 	.fw_version_str		= qla24xx_fw_version_str,
1921 	.intr_handler		= qla82xx_intr_handler,
1922 	.enable_intrs		= qla82xx_enable_intrs,
1923 	.disable_intrs		= qla82xx_disable_intrs,
1924 	.abort_command		= qla24xx_abort_command,
1925 	.target_reset		= qla24xx_abort_target,
1926 	.lun_reset		= qla24xx_lun_reset,
1927 	.fabric_login		= qla24xx_login_fabric,
1928 	.fabric_logout		= qla24xx_fabric_logout,
1929 	.calc_req_entries	= NULL,
1930 	.build_iocbs		= NULL,
1931 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1932 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1933 	.read_nvram		= qla24xx_read_nvram_data,
1934 	.write_nvram		= qla24xx_write_nvram_data,
1935 	.fw_dump		= qla82xx_fw_dump,
1936 	.beacon_on		= qla82xx_beacon_on,
1937 	.beacon_off		= qla82xx_beacon_off,
1938 	.beacon_blink		= NULL,
1939 	.read_optrom		= qla82xx_read_optrom_data,
1940 	.write_optrom		= qla82xx_write_optrom_data,
1941 	.get_flash_version	= qla82xx_get_flash_version,
1942 	.start_scsi             = qla82xx_start_scsi,
1943 	.abort_isp		= qla82xx_abort_isp,
1944 	.iospace_config     	= qla82xx_iospace_config,
1945 	.initialize_adapter	= qla2x00_initialize_adapter,
1946 };
1947 
1948 static struct isp_operations qla8044_isp_ops = {
1949 	.pci_config		= qla82xx_pci_config,
1950 	.reset_chip		= qla82xx_reset_chip,
1951 	.chip_diag		= qla24xx_chip_diag,
1952 	.config_rings		= qla82xx_config_rings,
1953 	.reset_adapter		= qla24xx_reset_adapter,
1954 	.nvram_config		= qla81xx_nvram_config,
1955 	.update_fw_options	= qla24xx_update_fw_options,
1956 	.load_risc		= qla82xx_load_risc,
1957 	.pci_info_str		= qla24xx_pci_info_str,
1958 	.fw_version_str		= qla24xx_fw_version_str,
1959 	.intr_handler		= qla8044_intr_handler,
1960 	.enable_intrs		= qla82xx_enable_intrs,
1961 	.disable_intrs		= qla82xx_disable_intrs,
1962 	.abort_command		= qla24xx_abort_command,
1963 	.target_reset		= qla24xx_abort_target,
1964 	.lun_reset		= qla24xx_lun_reset,
1965 	.fabric_login		= qla24xx_login_fabric,
1966 	.fabric_logout		= qla24xx_fabric_logout,
1967 	.calc_req_entries	= NULL,
1968 	.build_iocbs		= NULL,
1969 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
1970 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
1971 	.read_nvram		= NULL,
1972 	.write_nvram		= NULL,
1973 	.fw_dump		= qla8044_fw_dump,
1974 	.beacon_on		= qla82xx_beacon_on,
1975 	.beacon_off		= qla82xx_beacon_off,
1976 	.beacon_blink		= NULL,
1977 	.read_optrom		= qla8044_read_optrom_data,
1978 	.write_optrom		= qla8044_write_optrom_data,
1979 	.get_flash_version	= qla82xx_get_flash_version,
1980 	.start_scsi             = qla82xx_start_scsi,
1981 	.abort_isp		= qla8044_abort_isp,
1982 	.iospace_config		= qla82xx_iospace_config,
1983 	.initialize_adapter	= qla2x00_initialize_adapter,
1984 };
1985 
1986 static struct isp_operations qla83xx_isp_ops = {
1987 	.pci_config		= qla25xx_pci_config,
1988 	.reset_chip		= qla24xx_reset_chip,
1989 	.chip_diag		= qla24xx_chip_diag,
1990 	.config_rings		= qla24xx_config_rings,
1991 	.reset_adapter		= qla24xx_reset_adapter,
1992 	.nvram_config		= qla81xx_nvram_config,
1993 	.update_fw_options	= qla81xx_update_fw_options,
1994 	.load_risc		= qla81xx_load_risc,
1995 	.pci_info_str		= qla24xx_pci_info_str,
1996 	.fw_version_str		= qla24xx_fw_version_str,
1997 	.intr_handler		= qla24xx_intr_handler,
1998 	.enable_intrs		= qla24xx_enable_intrs,
1999 	.disable_intrs		= qla24xx_disable_intrs,
2000 	.abort_command		= qla24xx_abort_command,
2001 	.target_reset		= qla24xx_abort_target,
2002 	.lun_reset		= qla24xx_lun_reset,
2003 	.fabric_login		= qla24xx_login_fabric,
2004 	.fabric_logout		= qla24xx_fabric_logout,
2005 	.calc_req_entries	= NULL,
2006 	.build_iocbs		= NULL,
2007 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2008 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2009 	.read_nvram		= NULL,
2010 	.write_nvram		= NULL,
2011 	.fw_dump		= qla83xx_fw_dump,
2012 	.beacon_on		= qla24xx_beacon_on,
2013 	.beacon_off		= qla24xx_beacon_off,
2014 	.beacon_blink		= qla83xx_beacon_blink,
2015 	.read_optrom		= qla25xx_read_optrom_data,
2016 	.write_optrom		= qla24xx_write_optrom_data,
2017 	.get_flash_version	= qla24xx_get_flash_version,
2018 	.start_scsi		= qla24xx_dif_start_scsi,
2019 	.abort_isp		= qla2x00_abort_isp,
2020 	.iospace_config		= qla83xx_iospace_config,
2021 	.initialize_adapter	= qla2x00_initialize_adapter,
2022 };
2023 
2024 static struct isp_operations qlafx00_isp_ops = {
2025 	.pci_config		= qlafx00_pci_config,
2026 	.reset_chip		= qlafx00_soft_reset,
2027 	.chip_diag		= qlafx00_chip_diag,
2028 	.config_rings		= qlafx00_config_rings,
2029 	.reset_adapter		= qlafx00_soft_reset,
2030 	.nvram_config		= NULL,
2031 	.update_fw_options	= NULL,
2032 	.load_risc		= NULL,
2033 	.pci_info_str		= qlafx00_pci_info_str,
2034 	.fw_version_str		= qlafx00_fw_version_str,
2035 	.intr_handler		= qlafx00_intr_handler,
2036 	.enable_intrs		= qlafx00_enable_intrs,
2037 	.disable_intrs		= qlafx00_disable_intrs,
2038 	.abort_command		= qla24xx_async_abort_command,
2039 	.target_reset		= qlafx00_abort_target,
2040 	.lun_reset		= qlafx00_lun_reset,
2041 	.fabric_login		= NULL,
2042 	.fabric_logout		= NULL,
2043 	.calc_req_entries	= NULL,
2044 	.build_iocbs		= NULL,
2045 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2046 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2047 	.read_nvram		= qla24xx_read_nvram_data,
2048 	.write_nvram		= qla24xx_write_nvram_data,
2049 	.fw_dump		= NULL,
2050 	.beacon_on		= qla24xx_beacon_on,
2051 	.beacon_off		= qla24xx_beacon_off,
2052 	.beacon_blink		= NULL,
2053 	.read_optrom		= qla24xx_read_optrom_data,
2054 	.write_optrom		= qla24xx_write_optrom_data,
2055 	.get_flash_version	= qla24xx_get_flash_version,
2056 	.start_scsi		= qlafx00_start_scsi,
2057 	.abort_isp		= qlafx00_abort_isp,
2058 	.iospace_config		= qlafx00_iospace_config,
2059 	.initialize_adapter	= qlafx00_initialize_adapter,
2060 };
2061 
2062 static struct isp_operations qla27xx_isp_ops = {
2063 	.pci_config		= qla25xx_pci_config,
2064 	.reset_chip		= qla24xx_reset_chip,
2065 	.chip_diag		= qla24xx_chip_diag,
2066 	.config_rings		= qla24xx_config_rings,
2067 	.reset_adapter		= qla24xx_reset_adapter,
2068 	.nvram_config		= qla81xx_nvram_config,
2069 	.update_fw_options	= qla81xx_update_fw_options,
2070 	.load_risc		= qla81xx_load_risc,
2071 	.pci_info_str		= qla24xx_pci_info_str,
2072 	.fw_version_str		= qla24xx_fw_version_str,
2073 	.intr_handler		= qla24xx_intr_handler,
2074 	.enable_intrs		= qla24xx_enable_intrs,
2075 	.disable_intrs		= qla24xx_disable_intrs,
2076 	.abort_command		= qla24xx_abort_command,
2077 	.target_reset		= qla24xx_abort_target,
2078 	.lun_reset		= qla24xx_lun_reset,
2079 	.fabric_login		= qla24xx_login_fabric,
2080 	.fabric_logout		= qla24xx_fabric_logout,
2081 	.calc_req_entries	= NULL,
2082 	.build_iocbs		= NULL,
2083 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2084 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2085 	.read_nvram		= NULL,
2086 	.write_nvram		= NULL,
2087 	.fw_dump		= qla27xx_fwdump,
2088 	.beacon_on		= qla24xx_beacon_on,
2089 	.beacon_off		= qla24xx_beacon_off,
2090 	.beacon_blink		= qla83xx_beacon_blink,
2091 	.read_optrom		= qla25xx_read_optrom_data,
2092 	.write_optrom		= qla24xx_write_optrom_data,
2093 	.get_flash_version	= qla24xx_get_flash_version,
2094 	.start_scsi		= qla24xx_dif_start_scsi,
2095 	.abort_isp		= qla2x00_abort_isp,
2096 	.iospace_config		= qla83xx_iospace_config,
2097 	.initialize_adapter	= qla2x00_initialize_adapter,
2098 };
2099 
2100 static inline void
2101 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2102 {
2103 	ha->device_type = DT_EXTENDED_IDS;
2104 	switch (ha->pdev->device) {
2105 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2106 		ha->device_type |= DT_ISP2100;
2107 		ha->device_type &= ~DT_EXTENDED_IDS;
2108 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2109 		break;
2110 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2111 		ha->device_type |= DT_ISP2200;
2112 		ha->device_type &= ~DT_EXTENDED_IDS;
2113 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2114 		break;
2115 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2116 		ha->device_type |= DT_ISP2300;
2117 		ha->device_type |= DT_ZIO_SUPPORTED;
2118 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2119 		break;
2120 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2121 		ha->device_type |= DT_ISP2312;
2122 		ha->device_type |= DT_ZIO_SUPPORTED;
2123 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2124 		break;
2125 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2126 		ha->device_type |= DT_ISP2322;
2127 		ha->device_type |= DT_ZIO_SUPPORTED;
2128 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2129 		    ha->pdev->subsystem_device == 0x0170)
2130 			ha->device_type |= DT_OEM_001;
2131 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2132 		break;
2133 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2134 		ha->device_type |= DT_ISP6312;
2135 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2136 		break;
2137 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2138 		ha->device_type |= DT_ISP6322;
2139 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2140 		break;
2141 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2142 		ha->device_type |= DT_ISP2422;
2143 		ha->device_type |= DT_ZIO_SUPPORTED;
2144 		ha->device_type |= DT_FWI2;
2145 		ha->device_type |= DT_IIDMA;
2146 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2147 		break;
2148 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2149 		ha->device_type |= DT_ISP2432;
2150 		ha->device_type |= DT_ZIO_SUPPORTED;
2151 		ha->device_type |= DT_FWI2;
2152 		ha->device_type |= DT_IIDMA;
2153 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2154 		break;
2155 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2156 		ha->device_type |= DT_ISP8432;
2157 		ha->device_type |= DT_ZIO_SUPPORTED;
2158 		ha->device_type |= DT_FWI2;
2159 		ha->device_type |= DT_IIDMA;
2160 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2161 		break;
2162 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2163 		ha->device_type |= DT_ISP5422;
2164 		ha->device_type |= DT_FWI2;
2165 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2166 		break;
2167 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2168 		ha->device_type |= DT_ISP5432;
2169 		ha->device_type |= DT_FWI2;
2170 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2171 		break;
2172 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2173 		ha->device_type |= DT_ISP2532;
2174 		ha->device_type |= DT_ZIO_SUPPORTED;
2175 		ha->device_type |= DT_FWI2;
2176 		ha->device_type |= DT_IIDMA;
2177 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2178 		break;
2179 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2180 		ha->device_type |= DT_ISP8001;
2181 		ha->device_type |= DT_ZIO_SUPPORTED;
2182 		ha->device_type |= DT_FWI2;
2183 		ha->device_type |= DT_IIDMA;
2184 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2185 		break;
2186 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2187 		ha->device_type |= DT_ISP8021;
2188 		ha->device_type |= DT_ZIO_SUPPORTED;
2189 		ha->device_type |= DT_FWI2;
2190 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2191 		/* Initialize 82XX ISP flags */
2192 		qla82xx_init_flags(ha);
2193 		break;
2194 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2195 		ha->device_type |= DT_ISP8044;
2196 		ha->device_type |= DT_ZIO_SUPPORTED;
2197 		ha->device_type |= DT_FWI2;
2198 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2199 		/* Initialize 82XX ISP flags */
2200 		qla82xx_init_flags(ha);
2201 		break;
2202 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2203 		ha->device_type |= DT_ISP2031;
2204 		ha->device_type |= DT_ZIO_SUPPORTED;
2205 		ha->device_type |= DT_FWI2;
2206 		ha->device_type |= DT_IIDMA;
2207 		ha->device_type |= DT_T10_PI;
2208 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2209 		break;
2210 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2211 		ha->device_type |= DT_ISP8031;
2212 		ha->device_type |= DT_ZIO_SUPPORTED;
2213 		ha->device_type |= DT_FWI2;
2214 		ha->device_type |= DT_IIDMA;
2215 		ha->device_type |= DT_T10_PI;
2216 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2217 		break;
2218 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2219 		ha->device_type |= DT_ISPFX00;
2220 		break;
2221 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2222 		ha->device_type |= DT_ISP2071;
2223 		ha->device_type |= DT_ZIO_SUPPORTED;
2224 		ha->device_type |= DT_FWI2;
2225 		ha->device_type |= DT_IIDMA;
2226 		ha->device_type |= DT_T10_PI;
2227 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2228 		break;
2229 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2230 		ha->device_type |= DT_ISP2271;
2231 		ha->device_type |= DT_ZIO_SUPPORTED;
2232 		ha->device_type |= DT_FWI2;
2233 		ha->device_type |= DT_IIDMA;
2234 		ha->device_type |= DT_T10_PI;
2235 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2236 		break;
2237 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2238 		ha->device_type |= DT_ISP2261;
2239 		ha->device_type |= DT_ZIO_SUPPORTED;
2240 		ha->device_type |= DT_FWI2;
2241 		ha->device_type |= DT_IIDMA;
2242 		ha->device_type |= DT_T10_PI;
2243 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2244 		break;
2245 	}
2246 
2247 	if (IS_QLA82XX(ha))
2248 		ha->port_no = ha->portnum & 1;
2249 	else {
2250 		/* Get adapter physical port no from interrupt pin register. */
2251 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2252 		if (IS_QLA27XX(ha))
2253 			ha->port_no--;
2254 		else
2255 			ha->port_no = !(ha->port_no & 1);
2256 	}
2257 
2258 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2259 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2260 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2261 }
2262 
2263 static void
2264 qla2xxx_scan_start(struct Scsi_Host *shost)
2265 {
2266 	scsi_qla_host_t *vha = shost_priv(shost);
2267 
2268 	if (vha->hw->flags.running_gold_fw)
2269 		return;
2270 
2271 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2272 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2273 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2274 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2275 }
2276 
2277 static int
2278 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2279 {
2280 	scsi_qla_host_t *vha = shost_priv(shost);
2281 
2282 	if (!vha->host)
2283 		return 1;
2284 	if (time > vha->hw->loop_reset_delay * HZ)
2285 		return 1;
2286 
2287 	return atomic_read(&vha->loop_state) == LOOP_READY;
2288 }
2289 
2290 /*
2291  * PCI driver interface
2292  */
2293 static int
2294 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2295 {
2296 	int	ret = -ENODEV;
2297 	struct Scsi_Host *host;
2298 	scsi_qla_host_t *base_vha = NULL;
2299 	struct qla_hw_data *ha;
2300 	char pci_info[30];
2301 	char fw_str[30], wq_name[30];
2302 	struct scsi_host_template *sht;
2303 	int bars, mem_only = 0;
2304 	uint16_t req_length = 0, rsp_length = 0;
2305 	struct req_que *req = NULL;
2306 	struct rsp_que *rsp = NULL;
2307 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2308 	sht = &qla2xxx_driver_template;
2309 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2310 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2311 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2312 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2313 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2314 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2315 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2316 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2317 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2318 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2319 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2320 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2321 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2322 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2323 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2324 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2325 		mem_only = 1;
2326 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2327 		    "Mem only adapter.\n");
2328 	}
2329 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2330 	    "Bars=%d.\n", bars);
2331 
2332 	if (mem_only) {
2333 		if (pci_enable_device_mem(pdev))
2334 			goto probe_out;
2335 	} else {
2336 		if (pci_enable_device(pdev))
2337 			goto probe_out;
2338 	}
2339 
2340 	/* This may fail but that's ok */
2341 	pci_enable_pcie_error_reporting(pdev);
2342 
2343 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2344 	if (!ha) {
2345 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2346 		    "Unable to allocate memory for ha.\n");
2347 		goto probe_out;
2348 	}
2349 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2350 	    "Memory allocated for ha=%p.\n", ha);
2351 	ha->pdev = pdev;
2352 	ha->tgt.enable_class_2 = ql2xenableclass2;
2353 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2354 	spin_lock_init(&ha->tgt.q_full_lock);
2355 	spin_lock_init(&ha->tgt.sess_lock);
2356 	spin_lock_init(&ha->tgt.atio_lock);
2357 
2358 
2359 	/* Clear our data area */
2360 	ha->bars = bars;
2361 	ha->mem_only = mem_only;
2362 	spin_lock_init(&ha->hardware_lock);
2363 	spin_lock_init(&ha->vport_slock);
2364 	mutex_init(&ha->selflogin_lock);
2365 	mutex_init(&ha->optrom_mutex);
2366 
2367 	/* Set ISP-type information. */
2368 	qla2x00_set_isp_flags(ha);
2369 
2370 	/* Set EEH reset type to fundamental if required by hba */
2371 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2372 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2373 		pdev->needs_freset = 1;
2374 
2375 	ha->prev_topology = 0;
2376 	ha->init_cb_size = sizeof(init_cb_t);
2377 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2378 	ha->optrom_size = OPTROM_SIZE_2300;
2379 
2380 	/* Assign ISP specific operations. */
2381 	if (IS_QLA2100(ha)) {
2382 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2383 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2384 		req_length = REQUEST_ENTRY_CNT_2100;
2385 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2386 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2387 		ha->gid_list_info_size = 4;
2388 		ha->flash_conf_off = ~0;
2389 		ha->flash_data_off = ~0;
2390 		ha->nvram_conf_off = ~0;
2391 		ha->nvram_data_off = ~0;
2392 		ha->isp_ops = &qla2100_isp_ops;
2393 	} else if (IS_QLA2200(ha)) {
2394 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2395 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2396 		req_length = REQUEST_ENTRY_CNT_2200;
2397 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2398 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2399 		ha->gid_list_info_size = 4;
2400 		ha->flash_conf_off = ~0;
2401 		ha->flash_data_off = ~0;
2402 		ha->nvram_conf_off = ~0;
2403 		ha->nvram_data_off = ~0;
2404 		ha->isp_ops = &qla2100_isp_ops;
2405 	} else if (IS_QLA23XX(ha)) {
2406 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2407 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2408 		req_length = REQUEST_ENTRY_CNT_2200;
2409 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2410 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2411 		ha->gid_list_info_size = 6;
2412 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2413 			ha->optrom_size = OPTROM_SIZE_2322;
2414 		ha->flash_conf_off = ~0;
2415 		ha->flash_data_off = ~0;
2416 		ha->nvram_conf_off = ~0;
2417 		ha->nvram_data_off = ~0;
2418 		ha->isp_ops = &qla2300_isp_ops;
2419 	} else if (IS_QLA24XX_TYPE(ha)) {
2420 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2421 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2422 		req_length = REQUEST_ENTRY_CNT_24XX;
2423 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2424 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2425 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2426 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2427 		ha->gid_list_info_size = 8;
2428 		ha->optrom_size = OPTROM_SIZE_24XX;
2429 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2430 		ha->isp_ops = &qla24xx_isp_ops;
2431 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2432 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2433 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2434 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2435 	} else if (IS_QLA25XX(ha)) {
2436 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2437 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2438 		req_length = REQUEST_ENTRY_CNT_24XX;
2439 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2440 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2441 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2442 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2443 		ha->gid_list_info_size = 8;
2444 		ha->optrom_size = OPTROM_SIZE_25XX;
2445 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2446 		ha->isp_ops = &qla25xx_isp_ops;
2447 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2448 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2449 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2450 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2451 	} else if (IS_QLA81XX(ha)) {
2452 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2453 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2454 		req_length = REQUEST_ENTRY_CNT_24XX;
2455 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2456 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2457 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2458 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2459 		ha->gid_list_info_size = 8;
2460 		ha->optrom_size = OPTROM_SIZE_81XX;
2461 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2462 		ha->isp_ops = &qla81xx_isp_ops;
2463 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2464 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2465 		ha->nvram_conf_off = ~0;
2466 		ha->nvram_data_off = ~0;
2467 	} else if (IS_QLA82XX(ha)) {
2468 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2469 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2470 		req_length = REQUEST_ENTRY_CNT_82XX;
2471 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2472 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2473 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2474 		ha->gid_list_info_size = 8;
2475 		ha->optrom_size = OPTROM_SIZE_82XX;
2476 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2477 		ha->isp_ops = &qla82xx_isp_ops;
2478 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2479 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2480 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2481 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2482 	} else if (IS_QLA8044(ha)) {
2483 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2484 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2485 		req_length = REQUEST_ENTRY_CNT_82XX;
2486 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2487 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2488 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2489 		ha->gid_list_info_size = 8;
2490 		ha->optrom_size = OPTROM_SIZE_83XX;
2491 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2492 		ha->isp_ops = &qla8044_isp_ops;
2493 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2494 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2495 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2496 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2497 	} else if (IS_QLA83XX(ha)) {
2498 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2499 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2500 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2501 		req_length = REQUEST_ENTRY_CNT_83XX;
2502 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2503 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2504 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2505 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2506 		ha->gid_list_info_size = 8;
2507 		ha->optrom_size = OPTROM_SIZE_83XX;
2508 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2509 		ha->isp_ops = &qla83xx_isp_ops;
2510 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2511 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2512 		ha->nvram_conf_off = ~0;
2513 		ha->nvram_data_off = ~0;
2514 	}  else if (IS_QLAFX00(ha)) {
2515 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2516 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2517 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2518 		req_length = REQUEST_ENTRY_CNT_FX00;
2519 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
2520 		ha->isp_ops = &qlafx00_isp_ops;
2521 		ha->port_down_retry_count = 30; /* default value */
2522 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2523 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2524 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2525 		ha->mr.fw_hbt_en = 1;
2526 		ha->mr.host_info_resend = false;
2527 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2528 	} else if (IS_QLA27XX(ha)) {
2529 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2530 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2531 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2532 		req_length = REQUEST_ENTRY_CNT_83XX;
2533 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2534 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2535 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2536 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2537 		ha->gid_list_info_size = 8;
2538 		ha->optrom_size = OPTROM_SIZE_83XX;
2539 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2540 		ha->isp_ops = &qla27xx_isp_ops;
2541 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2542 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2543 		ha->nvram_conf_off = ~0;
2544 		ha->nvram_data_off = ~0;
2545 	}
2546 
2547 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2548 	    "mbx_count=%d, req_length=%d, "
2549 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2550 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2551 	    "max_fibre_devices=%d.\n",
2552 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2553 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2554 	    ha->nvram_npiv_size, ha->max_fibre_devices);
2555 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2556 	    "isp_ops=%p, flash_conf_off=%d, "
2557 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2558 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2559 	    ha->nvram_conf_off, ha->nvram_data_off);
2560 
2561 	/* Configure PCI I/O space */
2562 	ret = ha->isp_ops->iospace_config(ha);
2563 	if (ret)
2564 		goto iospace_config_failed;
2565 
2566 	ql_log_pci(ql_log_info, pdev, 0x001d,
2567 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
2568 	    pdev->device, pdev->irq, ha->iobase);
2569 	mutex_init(&ha->vport_lock);
2570 	init_completion(&ha->mbx_cmd_comp);
2571 	complete(&ha->mbx_cmd_comp);
2572 	init_completion(&ha->mbx_intr_comp);
2573 	init_completion(&ha->dcbx_comp);
2574 	init_completion(&ha->lb_portup_comp);
2575 
2576 	set_bit(0, (unsigned long *) ha->vp_idx_map);
2577 
2578 	qla2x00_config_dma_addressing(ha);
2579 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2580 	    "64 Bit addressing is %s.\n",
2581 	    ha->flags.enable_64bit_addressing ? "enable" :
2582 	    "disable");
2583 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2584 	if (ret) {
2585 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
2586 		    "Failed to allocate memory for adapter, aborting.\n");
2587 
2588 		goto probe_hw_failed;
2589 	}
2590 
2591 	req->max_q_depth = MAX_Q_DEPTH;
2592 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2593 		req->max_q_depth = ql2xmaxqdepth;
2594 
2595 
2596 	base_vha = qla2x00_create_host(sht, ha);
2597 	if (!base_vha) {
2598 		ret = -ENOMEM;
2599 		qla2x00_mem_free(ha);
2600 		qla2x00_free_req_que(ha, req);
2601 		qla2x00_free_rsp_que(ha, rsp);
2602 		goto probe_hw_failed;
2603 	}
2604 
2605 	pci_set_drvdata(pdev, base_vha);
2606 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2607 
2608 	host = base_vha->host;
2609 	base_vha->req = req;
2610 	if (IS_QLA2XXX_MIDTYPE(ha))
2611 		base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2612 	else
2613 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2614 						base_vha->vp_idx;
2615 
2616 	/* Setup fcport template structure. */
2617 	ha->mr.fcport.vha = base_vha;
2618 	ha->mr.fcport.port_type = FCT_UNKNOWN;
2619 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2620 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2621 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2622 	ha->mr.fcport.scan_state = 1;
2623 
2624 	/* Set the SG table size based on ISP type */
2625 	if (!IS_FWI2_CAPABLE(ha)) {
2626 		if (IS_QLA2100(ha))
2627 			host->sg_tablesize = 32;
2628 	} else {
2629 		if (!IS_QLA82XX(ha))
2630 			host->sg_tablesize = QLA_SG_ALL;
2631 	}
2632 	host->max_id = ha->max_fibre_devices;
2633 	host->cmd_per_lun = 3;
2634 	host->unique_id = host->host_no;
2635 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2636 		host->max_cmd_len = 32;
2637 	else
2638 		host->max_cmd_len = MAX_CMDSZ;
2639 	host->max_channel = MAX_BUSES - 1;
2640 	/* Older HBAs support only 16-bit LUNs */
2641 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2642 	    ql2xmaxlun > 0xffff)
2643 		host->max_lun = 0xffff;
2644 	else
2645 		host->max_lun = ql2xmaxlun;
2646 	host->transportt = qla2xxx_transport_template;
2647 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2648 
2649 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
2650 	    "max_id=%d this_id=%d "
2651 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2652 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2653 	    host->this_id, host->cmd_per_lun, host->unique_id,
2654 	    host->max_cmd_len, host->max_channel, host->max_lun,
2655 	    host->transportt, sht->vendor_id);
2656 
2657 que_init:
2658 	/* Alloc arrays of request and response ring ptrs */
2659 	if (!qla2x00_alloc_queues(ha, req, rsp)) {
2660 		ql_log(ql_log_fatal, base_vha, 0x003d,
2661 		    "Failed to allocate memory for queue pointers..."
2662 		    "aborting.\n");
2663 		goto probe_init_failed;
2664 	}
2665 
2666 	qlt_probe_one_stage1(base_vha, ha);
2667 
2668 	/* Set up the irqs */
2669 	ret = qla2x00_request_irqs(ha, rsp);
2670 	if (ret)
2671 		goto probe_init_failed;
2672 
2673 	pci_save_state(pdev);
2674 
2675 	/* Assign back pointers */
2676 	rsp->req = req;
2677 	req->rsp = rsp;
2678 
2679 	if (IS_QLAFX00(ha)) {
2680 		ha->rsp_q_map[0] = rsp;
2681 		ha->req_q_map[0] = req;
2682 		set_bit(0, ha->req_qid_map);
2683 		set_bit(0, ha->rsp_qid_map);
2684 	}
2685 
2686 	/* FWI2-capable only. */
2687 	req->req_q_in = &ha->iobase->isp24.req_q_in;
2688 	req->req_q_out = &ha->iobase->isp24.req_q_out;
2689 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2690 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2691 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2692 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2693 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2694 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2695 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2696 	}
2697 
2698 	if (IS_QLAFX00(ha)) {
2699 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2700 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2701 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2702 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2703 	}
2704 
2705 	if (IS_P3P_TYPE(ha)) {
2706 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2707 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2708 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2709 	}
2710 
2711 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2712 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2713 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2714 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2715 	    "req->req_q_in=%p req->req_q_out=%p "
2716 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2717 	    req->req_q_in, req->req_q_out,
2718 	    rsp->rsp_q_in, rsp->rsp_q_out);
2719 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
2720 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2721 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2722 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
2723 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2724 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2725 
2726 	if (ha->isp_ops->initialize_adapter(base_vha)) {
2727 		ql_log(ql_log_fatal, base_vha, 0x00d6,
2728 		    "Failed to initialize adapter - Adapter flags %x.\n",
2729 		    base_vha->device_flags);
2730 
2731 		if (IS_QLA82XX(ha)) {
2732 			qla82xx_idc_lock(ha);
2733 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2734 				QLA8XXX_DEV_FAILED);
2735 			qla82xx_idc_unlock(ha);
2736 			ql_log(ql_log_fatal, base_vha, 0x00d7,
2737 			    "HW State: FAILED.\n");
2738 		} else if (IS_QLA8044(ha)) {
2739 			qla8044_idc_lock(ha);
2740 			qla8044_wr_direct(base_vha,
2741 				QLA8044_CRB_DEV_STATE_INDEX,
2742 				QLA8XXX_DEV_FAILED);
2743 			qla8044_idc_unlock(ha);
2744 			ql_log(ql_log_fatal, base_vha, 0x0150,
2745 			    "HW State: FAILED.\n");
2746 		}
2747 
2748 		ret = -ENODEV;
2749 		goto probe_failed;
2750 	}
2751 
2752 	if (IS_QLAFX00(ha))
2753 		host->can_queue = QLAFX00_MAX_CANQUEUE;
2754 	else
2755 		host->can_queue = req->num_outstanding_cmds - 10;
2756 
2757 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
2758 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2759 	    host->can_queue, base_vha->req,
2760 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2761 
2762 	if (ha->mqenable) {
2763 		if (qla25xx_setup_mode(base_vha)) {
2764 			ql_log(ql_log_warn, base_vha, 0x00ec,
2765 			    "Failed to create queues, falling back to single queue mode.\n");
2766 			goto que_init;
2767 		}
2768 	}
2769 
2770 	if (ha->flags.running_gold_fw)
2771 		goto skip_dpc;
2772 
2773 	/*
2774 	 * Startup the kernel thread for this host adapter
2775 	 */
2776 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2777 	    "%s_dpc", base_vha->host_str);
2778 	if (IS_ERR(ha->dpc_thread)) {
2779 		ql_log(ql_log_fatal, base_vha, 0x00ed,
2780 		    "Failed to start DPC thread.\n");
2781 		ret = PTR_ERR(ha->dpc_thread);
2782 		goto probe_failed;
2783 	}
2784 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2785 	    "DPC thread started successfully.\n");
2786 
2787 	/*
2788 	 * If we're not coming up in initiator mode, we might sit for
2789 	 * a while without waking up the dpc thread, which leads to a
2790 	 * stuck process warning.  So just kick the dpc once here and
2791 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2792 	 */
2793 	qla2xxx_wake_dpc(base_vha);
2794 
2795 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2796 
2797 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2798 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2799 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2800 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2801 
2802 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2803 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2804 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2805 		INIT_WORK(&ha->idc_state_handler,
2806 		    qla83xx_idc_state_handler_work);
2807 		INIT_WORK(&ha->nic_core_unrecoverable,
2808 		    qla83xx_nic_core_unrecoverable_work);
2809 	}
2810 
2811 skip_dpc:
2812 	list_add_tail(&base_vha->list, &ha->vp_list);
2813 	base_vha->host->irq = ha->pdev->irq;
2814 
2815 	/* Initialized the timer */
2816 	qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2817 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2818 	    "Started qla2x00_timer with "
2819 	    "interval=%d.\n", WATCH_INTERVAL);
2820 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2821 	    "Detected hba at address=%p.\n",
2822 	    ha);
2823 
2824 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2825 		if (ha->fw_attributes & BIT_4) {
2826 			int prot = 0, guard;
2827 			base_vha->flags.difdix_supported = 1;
2828 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2829 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
2830 			if (ql2xenabledif == 1)
2831 				prot = SHOST_DIX_TYPE0_PROTECTION;
2832 			scsi_host_set_prot(host,
2833 			    prot | SHOST_DIF_TYPE1_PROTECTION
2834 			    | SHOST_DIF_TYPE2_PROTECTION
2835 			    | SHOST_DIF_TYPE3_PROTECTION
2836 			    | SHOST_DIX_TYPE1_PROTECTION
2837 			    | SHOST_DIX_TYPE2_PROTECTION
2838 			    | SHOST_DIX_TYPE3_PROTECTION);
2839 
2840 			guard = SHOST_DIX_GUARD_CRC;
2841 
2842 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
2843 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2844 				guard |= SHOST_DIX_GUARD_IP;
2845 
2846 			scsi_host_set_guard(host, guard);
2847 		} else
2848 			base_vha->flags.difdix_supported = 0;
2849 	}
2850 
2851 	ha->isp_ops->enable_intrs(ha);
2852 
2853 	if (IS_QLAFX00(ha)) {
2854 		ret = qlafx00_fx_disc(base_vha,
2855 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2856 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2857 		    QLA_SG_ALL : 128;
2858 	}
2859 
2860 	ret = scsi_add_host(host, &pdev->dev);
2861 	if (ret)
2862 		goto probe_failed;
2863 
2864 	base_vha->flags.init_done = 1;
2865 	base_vha->flags.online = 1;
2866 	ha->prev_minidump_failed = 0;
2867 
2868 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2869 	    "Init done and hba is online.\n");
2870 
2871 	if (qla_ini_mode_enabled(base_vha))
2872 		scsi_scan_host(host);
2873 	else
2874 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
2875 			"skipping scsi_scan_host() for non-initiator port\n");
2876 
2877 	qla2x00_alloc_sysfs_attr(base_vha);
2878 
2879 	if (IS_QLAFX00(ha)) {
2880 		ret = qlafx00_fx_disc(base_vha,
2881 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2882 
2883 		/* Register system information */
2884 		ret =  qlafx00_fx_disc(base_vha,
2885 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2886 	}
2887 
2888 	qla2x00_init_host_attr(base_vha);
2889 
2890 	qla2x00_dfs_setup(base_vha);
2891 
2892 	ql_log(ql_log_info, base_vha, 0x00fb,
2893 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2894 	ql_log(ql_log_info, base_vha, 0x00fc,
2895 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2896 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2897 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2898 	    base_vha->host_no,
2899 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2900 
2901 	qlt_add_target(ha, base_vha);
2902 
2903 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2904 	return 0;
2905 
2906 probe_init_failed:
2907 	qla2x00_free_req_que(ha, req);
2908 	ha->req_q_map[0] = NULL;
2909 	clear_bit(0, ha->req_qid_map);
2910 	qla2x00_free_rsp_que(ha, rsp);
2911 	ha->rsp_q_map[0] = NULL;
2912 	clear_bit(0, ha->rsp_qid_map);
2913 	ha->max_req_queues = ha->max_rsp_queues = 0;
2914 
2915 probe_failed:
2916 	if (base_vha->timer_active)
2917 		qla2x00_stop_timer(base_vha);
2918 	base_vha->flags.online = 0;
2919 	if (ha->dpc_thread) {
2920 		struct task_struct *t = ha->dpc_thread;
2921 
2922 		ha->dpc_thread = NULL;
2923 		kthread_stop(t);
2924 	}
2925 
2926 	qla2x00_free_device(base_vha);
2927 
2928 	scsi_host_put(base_vha->host);
2929 
2930 probe_hw_failed:
2931 	qla2x00_clear_drv_active(ha);
2932 
2933 iospace_config_failed:
2934 	if (IS_P3P_TYPE(ha)) {
2935 		if (!ha->nx_pcibase)
2936 			iounmap((device_reg_t *)ha->nx_pcibase);
2937 		if (!ql2xdbwr)
2938 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2939 	} else {
2940 		if (ha->iobase)
2941 			iounmap(ha->iobase);
2942 		if (ha->cregbase)
2943 			iounmap(ha->cregbase);
2944 	}
2945 	pci_release_selected_regions(ha->pdev, ha->bars);
2946 	kfree(ha);
2947 	ha = NULL;
2948 
2949 probe_out:
2950 	pci_disable_device(pdev);
2951 	return ret;
2952 }
2953 
2954 static void
2955 qla2x00_shutdown(struct pci_dev *pdev)
2956 {
2957 	scsi_qla_host_t *vha;
2958 	struct qla_hw_data  *ha;
2959 
2960 	if (!atomic_read(&pdev->enable_cnt))
2961 		return;
2962 
2963 	vha = pci_get_drvdata(pdev);
2964 	ha = vha->hw;
2965 
2966 	/* Notify ISPFX00 firmware */
2967 	if (IS_QLAFX00(ha))
2968 		qlafx00_driver_shutdown(vha, 20);
2969 
2970 	/* Turn-off FCE trace */
2971 	if (ha->flags.fce_enabled) {
2972 		qla2x00_disable_fce_trace(vha, NULL, NULL);
2973 		ha->flags.fce_enabled = 0;
2974 	}
2975 
2976 	/* Turn-off EFT trace */
2977 	if (ha->eft)
2978 		qla2x00_disable_eft_trace(vha);
2979 
2980 	/* Stop currently executing firmware. */
2981 	qla2x00_try_to_stop_firmware(vha);
2982 
2983 	/* Turn adapter off line */
2984 	vha->flags.online = 0;
2985 
2986 	/* turn-off interrupts on the card */
2987 	if (ha->interrupts_on) {
2988 		vha->flags.init_done = 0;
2989 		ha->isp_ops->disable_intrs(ha);
2990 	}
2991 
2992 	qla2x00_free_irqs(vha);
2993 
2994 	qla2x00_free_fw_dump(ha);
2995 
2996 	pci_disable_pcie_error_reporting(pdev);
2997 	pci_disable_device(pdev);
2998 }
2999 
3000 /* Deletes all the virtual ports for a given ha */
3001 static void
3002 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3003 {
3004 	scsi_qla_host_t *vha;
3005 	unsigned long flags;
3006 
3007 	mutex_lock(&ha->vport_lock);
3008 	while (ha->cur_vport_count) {
3009 		spin_lock_irqsave(&ha->vport_slock, flags);
3010 
3011 		BUG_ON(base_vha->list.next == &ha->vp_list);
3012 		/* This assumes first entry in ha->vp_list is always base vha */
3013 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3014 		scsi_host_get(vha->host);
3015 
3016 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3017 		mutex_unlock(&ha->vport_lock);
3018 
3019 		fc_vport_terminate(vha->fc_vport);
3020 		scsi_host_put(vha->host);
3021 
3022 		mutex_lock(&ha->vport_lock);
3023 	}
3024 	mutex_unlock(&ha->vport_lock);
3025 }
3026 
3027 /* Stops all deferred work threads */
3028 static void
3029 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3030 {
3031 	/* Flush the work queue and remove it */
3032 	if (ha->wq) {
3033 		flush_workqueue(ha->wq);
3034 		destroy_workqueue(ha->wq);
3035 		ha->wq = NULL;
3036 	}
3037 
3038 	/* Cancel all work and destroy DPC workqueues */
3039 	if (ha->dpc_lp_wq) {
3040 		cancel_work_sync(&ha->idc_aen);
3041 		destroy_workqueue(ha->dpc_lp_wq);
3042 		ha->dpc_lp_wq = NULL;
3043 	}
3044 
3045 	if (ha->dpc_hp_wq) {
3046 		cancel_work_sync(&ha->nic_core_reset);
3047 		cancel_work_sync(&ha->idc_state_handler);
3048 		cancel_work_sync(&ha->nic_core_unrecoverable);
3049 		destroy_workqueue(ha->dpc_hp_wq);
3050 		ha->dpc_hp_wq = NULL;
3051 	}
3052 
3053 	/* Kill the kernel thread for this host */
3054 	if (ha->dpc_thread) {
3055 		struct task_struct *t = ha->dpc_thread;
3056 
3057 		/*
3058 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3059 		 * so we need to zero it out.
3060 		 */
3061 		ha->dpc_thread = NULL;
3062 		kthread_stop(t);
3063 	}
3064 }
3065 
3066 static void
3067 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3068 {
3069 	if (IS_QLA82XX(ha)) {
3070 
3071 		iounmap((device_reg_t *)ha->nx_pcibase);
3072 		if (!ql2xdbwr)
3073 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3074 	} else {
3075 		if (ha->iobase)
3076 			iounmap(ha->iobase);
3077 
3078 		if (ha->cregbase)
3079 			iounmap(ha->cregbase);
3080 
3081 		if (ha->mqiobase)
3082 			iounmap(ha->mqiobase);
3083 
3084 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3085 			iounmap(ha->msixbase);
3086 	}
3087 }
3088 
3089 static void
3090 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3091 {
3092 	if (IS_QLA8044(ha)) {
3093 		qla8044_idc_lock(ha);
3094 		qla8044_clear_drv_active(ha);
3095 		qla8044_idc_unlock(ha);
3096 	} else if (IS_QLA82XX(ha)) {
3097 		qla82xx_idc_lock(ha);
3098 		qla82xx_clear_drv_active(ha);
3099 		qla82xx_idc_unlock(ha);
3100 	}
3101 }
3102 
3103 static void
3104 qla2x00_remove_one(struct pci_dev *pdev)
3105 {
3106 	scsi_qla_host_t *base_vha;
3107 	struct qla_hw_data  *ha;
3108 
3109 	base_vha = pci_get_drvdata(pdev);
3110 	ha = base_vha->hw;
3111 
3112 	/* Indicate device removal to prevent future board_disable and wait
3113 	 * until any pending board_disable has completed. */
3114 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3115 	cancel_work_sync(&ha->board_disable);
3116 
3117 	/*
3118 	 * If the PCI device is disabled then there was a PCI-disconnect and
3119 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3120 	 * resources.
3121 	 */
3122 	if (!atomic_read(&pdev->enable_cnt)) {
3123 		scsi_host_put(base_vha->host);
3124 		kfree(ha);
3125 		pci_set_drvdata(pdev, NULL);
3126 		return;
3127 	}
3128 
3129 	qla2x00_wait_for_hba_ready(base_vha);
3130 
3131 	set_bit(UNLOADING, &base_vha->dpc_flags);
3132 
3133 	if (IS_QLAFX00(ha))
3134 		qlafx00_driver_shutdown(base_vha, 20);
3135 
3136 	qla2x00_delete_all_vps(ha, base_vha);
3137 
3138 	if (IS_QLA8031(ha)) {
3139 		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3140 		    "Clearing fcoe driver presence.\n");
3141 		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3142 			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3143 			    "Error while clearing DRV-Presence.\n");
3144 	}
3145 
3146 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3147 
3148 	qla2x00_dfs_remove(base_vha);
3149 
3150 	qla84xx_put_chip(base_vha);
3151 
3152 	/* Laser should be disabled only for ISP2031 */
3153 	if (IS_QLA2031(ha))
3154 		qla83xx_disable_laser(base_vha);
3155 
3156 	/* Disable timer */
3157 	if (base_vha->timer_active)
3158 		qla2x00_stop_timer(base_vha);
3159 
3160 	base_vha->flags.online = 0;
3161 
3162 	/* free DMA memory */
3163 	if (ha->exlogin_buf)
3164 		qla2x00_free_exlogin_buffer(ha);
3165 
3166 	/* free DMA memory */
3167 	if (ha->exchoffld_buf)
3168 		qla2x00_free_exchoffld_buffer(ha);
3169 
3170 	qla2x00_destroy_deferred_work(ha);
3171 
3172 	qlt_remove_target(ha, base_vha);
3173 
3174 	qla2x00_free_sysfs_attr(base_vha, true);
3175 
3176 	fc_remove_host(base_vha->host);
3177 
3178 	scsi_remove_host(base_vha->host);
3179 
3180 	qla2x00_free_device(base_vha);
3181 
3182 	qla2x00_clear_drv_active(ha);
3183 
3184 	scsi_host_put(base_vha->host);
3185 
3186 	qla2x00_unmap_iobases(ha);
3187 
3188 	pci_release_selected_regions(ha->pdev, ha->bars);
3189 	kfree(ha);
3190 	ha = NULL;
3191 
3192 	pci_disable_pcie_error_reporting(pdev);
3193 
3194 	pci_disable_device(pdev);
3195 }
3196 
3197 static void
3198 qla2x00_free_device(scsi_qla_host_t *vha)
3199 {
3200 	struct qla_hw_data *ha = vha->hw;
3201 
3202 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3203 
3204 	/* Disable timer */
3205 	if (vha->timer_active)
3206 		qla2x00_stop_timer(vha);
3207 
3208 	qla25xx_delete_queues(vha);
3209 
3210 	if (ha->flags.fce_enabled)
3211 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3212 
3213 	if (ha->eft)
3214 		qla2x00_disable_eft_trace(vha);
3215 
3216 	/* Stop currently executing firmware. */
3217 	qla2x00_try_to_stop_firmware(vha);
3218 
3219 	vha->flags.online = 0;
3220 
3221 	/* turn-off interrupts on the card */
3222 	if (ha->interrupts_on) {
3223 		vha->flags.init_done = 0;
3224 		ha->isp_ops->disable_intrs(ha);
3225 	}
3226 
3227 	qla2x00_free_irqs(vha);
3228 
3229 	qla2x00_free_fcports(vha);
3230 
3231 	qla2x00_mem_free(ha);
3232 
3233 	qla82xx_md_free(vha);
3234 
3235 	qla2x00_free_queues(ha);
3236 }
3237 
3238 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3239 {
3240 	fc_port_t *fcport, *tfcport;
3241 
3242 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3243 		list_del(&fcport->list);
3244 		qla2x00_clear_loop_id(fcport);
3245 		kfree(fcport);
3246 		fcport = NULL;
3247 	}
3248 }
3249 
3250 static inline void
3251 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3252     int defer)
3253 {
3254 	struct fc_rport *rport;
3255 	scsi_qla_host_t *base_vha;
3256 	unsigned long flags;
3257 
3258 	if (!fcport->rport)
3259 		return;
3260 
3261 	rport = fcport->rport;
3262 	if (defer) {
3263 		base_vha = pci_get_drvdata(vha->hw->pdev);
3264 		spin_lock_irqsave(vha->host->host_lock, flags);
3265 		fcport->drport = rport;
3266 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3267 		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3268 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3269 		qla2xxx_wake_dpc(base_vha);
3270 	} else {
3271 		int now;
3272 		if (rport)
3273 			fc_remote_port_delete(rport);
3274 		qlt_do_generation_tick(vha, &now);
3275 		qlt_fc_port_deleted(vha, fcport, now);
3276 	}
3277 }
3278 
3279 /*
3280  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3281  *
3282  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3283  *
3284  * Return: None.
3285  *
3286  * Context:
3287  */
3288 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3289     int do_login, int defer)
3290 {
3291 	if (IS_QLAFX00(vha->hw)) {
3292 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3293 		qla2x00_schedule_rport_del(vha, fcport, defer);
3294 		return;
3295 	}
3296 
3297 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3298 	    vha->vp_idx == fcport->vha->vp_idx) {
3299 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3300 		qla2x00_schedule_rport_del(vha, fcport, defer);
3301 	}
3302 	/*
3303 	 * We may need to retry the login, so don't change the state of the
3304 	 * port but do the retries.
3305 	 */
3306 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3307 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3308 
3309 	if (!do_login)
3310 		return;
3311 
3312 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3313 
3314 	if (fcport->login_retry == 0) {
3315 		fcport->login_retry = vha->hw->login_retry_count;
3316 
3317 		ql_dbg(ql_dbg_disc, vha, 0x2067,
3318 		    "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3319 		    fcport->port_name, fcport->loop_id, fcport->login_retry);
3320 	}
3321 }
3322 
3323 /*
3324  * qla2x00_mark_all_devices_lost
3325  *	Updates fcport state when device goes offline.
3326  *
3327  * Input:
3328  *	ha = adapter block pointer.
3329  *	fcport = port structure pointer.
3330  *
3331  * Return:
3332  *	None.
3333  *
3334  * Context:
3335  */
3336 void
3337 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3338 {
3339 	fc_port_t *fcport;
3340 
3341 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3342 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3343 			continue;
3344 
3345 		/*
3346 		 * No point in marking the device as lost, if the device is
3347 		 * already DEAD.
3348 		 */
3349 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3350 			continue;
3351 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3352 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3353 			if (defer)
3354 				qla2x00_schedule_rport_del(vha, fcport, defer);
3355 			else if (vha->vp_idx == fcport->vha->vp_idx)
3356 				qla2x00_schedule_rport_del(vha, fcport, defer);
3357 		}
3358 	}
3359 }
3360 
3361 /*
3362 * qla2x00_mem_alloc
3363 *      Allocates adapter memory.
3364 *
3365 * Returns:
3366 *      0  = success.
3367 *      !0  = failure.
3368 */
3369 static int
3370 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3371 	struct req_que **req, struct rsp_que **rsp)
3372 {
3373 	char	name[16];
3374 
3375 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3376 		&ha->init_cb_dma, GFP_KERNEL);
3377 	if (!ha->init_cb)
3378 		goto fail;
3379 
3380 	if (qlt_mem_alloc(ha) < 0)
3381 		goto fail_free_init_cb;
3382 
3383 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3384 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3385 	if (!ha->gid_list)
3386 		goto fail_free_tgt_mem;
3387 
3388 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3389 	if (!ha->srb_mempool)
3390 		goto fail_free_gid_list;
3391 
3392 	if (IS_P3P_TYPE(ha)) {
3393 		/* Allocate cache for CT6 Ctx. */
3394 		if (!ctx_cachep) {
3395 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3396 				sizeof(struct ct6_dsd), 0,
3397 				SLAB_HWCACHE_ALIGN, NULL);
3398 			if (!ctx_cachep)
3399 				goto fail_free_gid_list;
3400 		}
3401 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3402 			ctx_cachep);
3403 		if (!ha->ctx_mempool)
3404 			goto fail_free_srb_mempool;
3405 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3406 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3407 		    ctx_cachep, ha->ctx_mempool);
3408 	}
3409 
3410 	/* Get memory for cached NVRAM */
3411 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3412 	if (!ha->nvram)
3413 		goto fail_free_ctx_mempool;
3414 
3415 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3416 		ha->pdev->device);
3417 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3418 		DMA_POOL_SIZE, 8, 0);
3419 	if (!ha->s_dma_pool)
3420 		goto fail_free_nvram;
3421 
3422 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3423 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3424 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3425 
3426 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3427 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3428 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3429 		if (!ha->dl_dma_pool) {
3430 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3431 			    "Failed to allocate memory for dl_dma_pool.\n");
3432 			goto fail_s_dma_pool;
3433 		}
3434 
3435 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3436 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3437 		if (!ha->fcp_cmnd_dma_pool) {
3438 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3439 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3440 			goto fail_dl_dma_pool;
3441 		}
3442 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3443 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3444 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3445 	}
3446 
3447 	/* Allocate memory for SNS commands */
3448 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3449 	/* Get consistent memory allocated for SNS commands */
3450 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3451 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3452 		if (!ha->sns_cmd)
3453 			goto fail_dma_pool;
3454 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3455 		    "sns_cmd: %p.\n", ha->sns_cmd);
3456 	} else {
3457 	/* Get consistent memory allocated for MS IOCB */
3458 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3459 			&ha->ms_iocb_dma);
3460 		if (!ha->ms_iocb)
3461 			goto fail_dma_pool;
3462 	/* Get consistent memory allocated for CT SNS commands */
3463 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3464 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3465 		if (!ha->ct_sns)
3466 			goto fail_free_ms_iocb;
3467 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3468 		    "ms_iocb=%p ct_sns=%p.\n",
3469 		    ha->ms_iocb, ha->ct_sns);
3470 	}
3471 
3472 	/* Allocate memory for request ring */
3473 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3474 	if (!*req) {
3475 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3476 		    "Failed to allocate memory for req.\n");
3477 		goto fail_req;
3478 	}
3479 	(*req)->length = req_len;
3480 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3481 		((*req)->length + 1) * sizeof(request_t),
3482 		&(*req)->dma, GFP_KERNEL);
3483 	if (!(*req)->ring) {
3484 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3485 		    "Failed to allocate memory for req_ring.\n");
3486 		goto fail_req_ring;
3487 	}
3488 	/* Allocate memory for response ring */
3489 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3490 	if (!*rsp) {
3491 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3492 		    "Failed to allocate memory for rsp.\n");
3493 		goto fail_rsp;
3494 	}
3495 	(*rsp)->hw = ha;
3496 	(*rsp)->length = rsp_len;
3497 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3498 		((*rsp)->length + 1) * sizeof(response_t),
3499 		&(*rsp)->dma, GFP_KERNEL);
3500 	if (!(*rsp)->ring) {
3501 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3502 		    "Failed to allocate memory for rsp_ring.\n");
3503 		goto fail_rsp_ring;
3504 	}
3505 	(*req)->rsp = *rsp;
3506 	(*rsp)->req = *req;
3507 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3508 	    "req=%p req->length=%d req->ring=%p rsp=%p "
3509 	    "rsp->length=%d rsp->ring=%p.\n",
3510 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3511 	    (*rsp)->ring);
3512 	/* Allocate memory for NVRAM data for vports */
3513 	if (ha->nvram_npiv_size) {
3514 		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3515 		    ha->nvram_npiv_size, GFP_KERNEL);
3516 		if (!ha->npiv_info) {
3517 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3518 			    "Failed to allocate memory for npiv_info.\n");
3519 			goto fail_npiv_info;
3520 		}
3521 	} else
3522 		ha->npiv_info = NULL;
3523 
3524 	/* Get consistent memory allocated for EX-INIT-CB. */
3525 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3526 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3527 		    &ha->ex_init_cb_dma);
3528 		if (!ha->ex_init_cb)
3529 			goto fail_ex_init_cb;
3530 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3531 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
3532 	}
3533 
3534 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
3535 
3536 	/* Get consistent memory allocated for Async Port-Database. */
3537 	if (!IS_FWI2_CAPABLE(ha)) {
3538 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3539 			&ha->async_pd_dma);
3540 		if (!ha->async_pd)
3541 			goto fail_async_pd;
3542 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3543 		    "async_pd=%p.\n", ha->async_pd);
3544 	}
3545 
3546 	INIT_LIST_HEAD(&ha->vp_list);
3547 
3548 	/* Allocate memory for our loop_id bitmap */
3549 	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3550 	    GFP_KERNEL);
3551 	if (!ha->loop_id_map)
3552 		goto fail_async_pd;
3553 	else {
3554 		qla2x00_set_reserved_loop_ids(ha);
3555 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3556 		    "loop_id_map=%p.\n", ha->loop_id_map);
3557 	}
3558 
3559 	return 0;
3560 
3561 fail_async_pd:
3562 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3563 fail_ex_init_cb:
3564 	kfree(ha->npiv_info);
3565 fail_npiv_info:
3566 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3567 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3568 	(*rsp)->ring = NULL;
3569 	(*rsp)->dma = 0;
3570 fail_rsp_ring:
3571 	kfree(*rsp);
3572 fail_rsp:
3573 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3574 		sizeof(request_t), (*req)->ring, (*req)->dma);
3575 	(*req)->ring = NULL;
3576 	(*req)->dma = 0;
3577 fail_req_ring:
3578 	kfree(*req);
3579 fail_req:
3580 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3581 		ha->ct_sns, ha->ct_sns_dma);
3582 	ha->ct_sns = NULL;
3583 	ha->ct_sns_dma = 0;
3584 fail_free_ms_iocb:
3585 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3586 	ha->ms_iocb = NULL;
3587 	ha->ms_iocb_dma = 0;
3588 fail_dma_pool:
3589 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3590 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3591 		ha->fcp_cmnd_dma_pool = NULL;
3592 	}
3593 fail_dl_dma_pool:
3594 	if (IS_QLA82XX(ha) || ql2xenabledif) {
3595 		dma_pool_destroy(ha->dl_dma_pool);
3596 		ha->dl_dma_pool = NULL;
3597 	}
3598 fail_s_dma_pool:
3599 	dma_pool_destroy(ha->s_dma_pool);
3600 	ha->s_dma_pool = NULL;
3601 fail_free_nvram:
3602 	kfree(ha->nvram);
3603 	ha->nvram = NULL;
3604 fail_free_ctx_mempool:
3605 	mempool_destroy(ha->ctx_mempool);
3606 	ha->ctx_mempool = NULL;
3607 fail_free_srb_mempool:
3608 	mempool_destroy(ha->srb_mempool);
3609 	ha->srb_mempool = NULL;
3610 fail_free_gid_list:
3611 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3612 	ha->gid_list,
3613 	ha->gid_list_dma);
3614 	ha->gid_list = NULL;
3615 	ha->gid_list_dma = 0;
3616 fail_free_tgt_mem:
3617 	qlt_mem_free(ha);
3618 fail_free_init_cb:
3619 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3620 	ha->init_cb_dma);
3621 	ha->init_cb = NULL;
3622 	ha->init_cb_dma = 0;
3623 fail:
3624 	ql_log(ql_log_fatal, NULL, 0x0030,
3625 	    "Memory allocation failure.\n");
3626 	return -ENOMEM;
3627 }
3628 
3629 int
3630 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
3631 {
3632 	int rval;
3633 	uint16_t	size, max_cnt, temp;
3634 	struct qla_hw_data *ha = vha->hw;
3635 
3636 	/* Return if we don't need to alloacate any extended logins */
3637 	if (!ql2xexlogins)
3638 		return QLA_SUCCESS;
3639 
3640 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
3641 	max_cnt = 0;
3642 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
3643 	if (rval != QLA_SUCCESS) {
3644 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
3645 		    "Failed to get exlogin status.\n");
3646 		return rval;
3647 	}
3648 
3649 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
3650 	ha->exlogin_size = (size * temp);
3651 	ql_log(ql_log_info, vha, 0xd024,
3652 		"EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
3653 		max_cnt, size, temp);
3654 
3655 	ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n",
3656 		ha->exlogin_size);
3657 
3658 	/* Get consistent memory for extended logins */
3659 	ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
3660 	    ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
3661 	if (!ha->exlogin_buf) {
3662 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
3663 		    "Failed to allocate memory for exlogin_buf_dma.\n");
3664 		return -ENOMEM;
3665 	}
3666 
3667 	/* Now configure the dma buffer */
3668 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
3669 	if (rval) {
3670 		ql_log(ql_log_fatal, vha, 0x00cf,
3671 		    "Setup extended login buffer  ****FAILED****.\n");
3672 		qla2x00_free_exlogin_buffer(ha);
3673 	}
3674 
3675 	return rval;
3676 }
3677 
3678 /*
3679 * qla2x00_free_exlogin_buffer
3680 *
3681 * Input:
3682 *	ha = adapter block pointer
3683 */
3684 void
3685 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
3686 {
3687 	if (ha->exlogin_buf) {
3688 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
3689 		    ha->exlogin_buf, ha->exlogin_buf_dma);
3690 		ha->exlogin_buf = NULL;
3691 		ha->exlogin_size = 0;
3692 	}
3693 }
3694 
3695 int
3696 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
3697 {
3698 	int rval;
3699 	uint16_t	size, max_cnt, temp;
3700 	struct qla_hw_data *ha = vha->hw;
3701 
3702 	/* Return if we don't need to alloacate any extended logins */
3703 	if (!ql2xexchoffld)
3704 		return QLA_SUCCESS;
3705 
3706 	ql_log(ql_log_info, vha, 0xd014,
3707 	    "Exchange offload count: %d.\n", ql2xexlogins);
3708 
3709 	max_cnt = 0;
3710 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
3711 	if (rval != QLA_SUCCESS) {
3712 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
3713 		    "Failed to get exlogin status.\n");
3714 		return rval;
3715 	}
3716 
3717 	temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld;
3718 	ha->exchoffld_size = (size * temp);
3719 	ql_log(ql_log_info, vha, 0xd016,
3720 		"Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
3721 		max_cnt, size, temp);
3722 
3723 	ql_log(ql_log_info, vha, 0xd017,
3724 	    "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size);
3725 
3726 	/* Get consistent memory for extended logins */
3727 	ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
3728 	    ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
3729 	if (!ha->exchoffld_buf) {
3730 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
3731 		    "Failed to allocate memory for exchoffld_buf_dma.\n");
3732 		return -ENOMEM;
3733 	}
3734 
3735 	/* Now configure the dma buffer */
3736 	rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma);
3737 	if (rval) {
3738 		ql_log(ql_log_fatal, vha, 0xd02e,
3739 		    "Setup exchange offload buffer ****FAILED****.\n");
3740 		qla2x00_free_exchoffld_buffer(ha);
3741 	}
3742 
3743 	return rval;
3744 }
3745 
3746 /*
3747 * qla2x00_free_exchoffld_buffer
3748 *
3749 * Input:
3750 *	ha = adapter block pointer
3751 */
3752 void
3753 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
3754 {
3755 	if (ha->exchoffld_buf) {
3756 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
3757 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
3758 		ha->exchoffld_buf = NULL;
3759 		ha->exchoffld_size = 0;
3760 	}
3761 }
3762 
3763 /*
3764 * qla2x00_free_fw_dump
3765 *	Frees fw dump stuff.
3766 *
3767 * Input:
3768 *	ha = adapter block pointer
3769 */
3770 static void
3771 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3772 {
3773 	if (ha->fce)
3774 		dma_free_coherent(&ha->pdev->dev,
3775 		    FCE_SIZE, ha->fce, ha->fce_dma);
3776 
3777 	if (ha->eft)
3778 		dma_free_coherent(&ha->pdev->dev,
3779 		    EFT_SIZE, ha->eft, ha->eft_dma);
3780 
3781 	if (ha->fw_dump)
3782 		vfree(ha->fw_dump);
3783 	if (ha->fw_dump_template)
3784 		vfree(ha->fw_dump_template);
3785 
3786 	ha->fce = NULL;
3787 	ha->fce_dma = 0;
3788 	ha->eft = NULL;
3789 	ha->eft_dma = 0;
3790 	ha->fw_dumped = 0;
3791 	ha->fw_dump_cap_flags = 0;
3792 	ha->fw_dump_reading = 0;
3793 	ha->fw_dump = NULL;
3794 	ha->fw_dump_len = 0;
3795 	ha->fw_dump_template = NULL;
3796 	ha->fw_dump_template_len = 0;
3797 }
3798 
3799 /*
3800 * qla2x00_mem_free
3801 *      Frees all adapter allocated memory.
3802 *
3803 * Input:
3804 *      ha = adapter block pointer.
3805 */
3806 static void
3807 qla2x00_mem_free(struct qla_hw_data *ha)
3808 {
3809 	qla2x00_free_fw_dump(ha);
3810 
3811 	if (ha->mctp_dump)
3812 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3813 		    ha->mctp_dump_dma);
3814 
3815 	if (ha->srb_mempool)
3816 		mempool_destroy(ha->srb_mempool);
3817 
3818 	if (ha->dcbx_tlv)
3819 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3820 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
3821 
3822 	if (ha->xgmac_data)
3823 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3824 		    ha->xgmac_data, ha->xgmac_data_dma);
3825 
3826 	if (ha->sns_cmd)
3827 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3828 		ha->sns_cmd, ha->sns_cmd_dma);
3829 
3830 	if (ha->ct_sns)
3831 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3832 		ha->ct_sns, ha->ct_sns_dma);
3833 
3834 	if (ha->sfp_data)
3835 		dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3836 
3837 	if (ha->ms_iocb)
3838 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3839 
3840 	if (ha->ex_init_cb)
3841 		dma_pool_free(ha->s_dma_pool,
3842 			ha->ex_init_cb, ha->ex_init_cb_dma);
3843 
3844 	if (ha->async_pd)
3845 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3846 
3847 	if (ha->s_dma_pool)
3848 		dma_pool_destroy(ha->s_dma_pool);
3849 
3850 	if (ha->gid_list)
3851 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3852 		ha->gid_list, ha->gid_list_dma);
3853 
3854 	if (IS_QLA82XX(ha)) {
3855 		if (!list_empty(&ha->gbl_dsd_list)) {
3856 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
3857 
3858 			/* clean up allocated prev pool */
3859 			list_for_each_entry_safe(dsd_ptr,
3860 				tdsd_ptr, &ha->gbl_dsd_list, list) {
3861 				dma_pool_free(ha->dl_dma_pool,
3862 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3863 				list_del(&dsd_ptr->list);
3864 				kfree(dsd_ptr);
3865 			}
3866 		}
3867 	}
3868 
3869 	if (ha->dl_dma_pool)
3870 		dma_pool_destroy(ha->dl_dma_pool);
3871 
3872 	if (ha->fcp_cmnd_dma_pool)
3873 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3874 
3875 	if (ha->ctx_mempool)
3876 		mempool_destroy(ha->ctx_mempool);
3877 
3878 	qlt_mem_free(ha);
3879 
3880 	if (ha->init_cb)
3881 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3882 			ha->init_cb, ha->init_cb_dma);
3883 	vfree(ha->optrom_buffer);
3884 	kfree(ha->nvram);
3885 	kfree(ha->npiv_info);
3886 	kfree(ha->swl);
3887 	kfree(ha->loop_id_map);
3888 
3889 	ha->srb_mempool = NULL;
3890 	ha->ctx_mempool = NULL;
3891 	ha->sns_cmd = NULL;
3892 	ha->sns_cmd_dma = 0;
3893 	ha->ct_sns = NULL;
3894 	ha->ct_sns_dma = 0;
3895 	ha->ms_iocb = NULL;
3896 	ha->ms_iocb_dma = 0;
3897 	ha->init_cb = NULL;
3898 	ha->init_cb_dma = 0;
3899 	ha->ex_init_cb = NULL;
3900 	ha->ex_init_cb_dma = 0;
3901 	ha->async_pd = NULL;
3902 	ha->async_pd_dma = 0;
3903 
3904 	ha->s_dma_pool = NULL;
3905 	ha->dl_dma_pool = NULL;
3906 	ha->fcp_cmnd_dma_pool = NULL;
3907 
3908 	ha->gid_list = NULL;
3909 	ha->gid_list_dma = 0;
3910 
3911 	ha->tgt.atio_ring = NULL;
3912 	ha->tgt.atio_dma = 0;
3913 	ha->tgt.tgt_vp_map = NULL;
3914 }
3915 
3916 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3917 						struct qla_hw_data *ha)
3918 {
3919 	struct Scsi_Host *host;
3920 	struct scsi_qla_host *vha = NULL;
3921 
3922 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3923 	if (host == NULL) {
3924 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3925 		    "Failed to allocate host from the scsi layer, aborting.\n");
3926 		goto fail;
3927 	}
3928 
3929 	/* Clear our data area */
3930 	vha = shost_priv(host);
3931 	memset(vha, 0, sizeof(scsi_qla_host_t));
3932 
3933 	vha->host = host;
3934 	vha->host_no = host->host_no;
3935 	vha->hw = ha;
3936 
3937 	INIT_LIST_HEAD(&vha->vp_fcports);
3938 	INIT_LIST_HEAD(&vha->work_list);
3939 	INIT_LIST_HEAD(&vha->list);
3940 	INIT_LIST_HEAD(&vha->qla_cmd_list);
3941 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
3942 	INIT_LIST_HEAD(&vha->logo_list);
3943 	INIT_LIST_HEAD(&vha->plogi_ack_list);
3944 
3945 	spin_lock_init(&vha->work_lock);
3946 	spin_lock_init(&vha->cmd_list_lock);
3947 
3948 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3949 	ql_dbg(ql_dbg_init, vha, 0x0041,
3950 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3951 	    vha->host, vha->hw, vha,
3952 	    dev_name(&(ha->pdev->dev)));
3953 
3954 	return vha;
3955 
3956 fail:
3957 	return vha;
3958 }
3959 
3960 static struct qla_work_evt *
3961 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3962 {
3963 	struct qla_work_evt *e;
3964 	uint8_t bail;
3965 
3966 	QLA_VHA_MARK_BUSY(vha, bail);
3967 	if (bail)
3968 		return NULL;
3969 
3970 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3971 	if (!e) {
3972 		QLA_VHA_MARK_NOT_BUSY(vha);
3973 		return NULL;
3974 	}
3975 
3976 	INIT_LIST_HEAD(&e->list);
3977 	e->type = type;
3978 	e->flags = QLA_EVT_FLAG_FREE;
3979 	return e;
3980 }
3981 
3982 static int
3983 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3984 {
3985 	unsigned long flags;
3986 
3987 	spin_lock_irqsave(&vha->work_lock, flags);
3988 	list_add_tail(&e->list, &vha->work_list);
3989 	spin_unlock_irqrestore(&vha->work_lock, flags);
3990 	qla2xxx_wake_dpc(vha);
3991 
3992 	return QLA_SUCCESS;
3993 }
3994 
3995 int
3996 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3997     u32 data)
3998 {
3999 	struct qla_work_evt *e;
4000 
4001 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4002 	if (!e)
4003 		return QLA_FUNCTION_FAILED;
4004 
4005 	e->u.aen.code = code;
4006 	e->u.aen.data = data;
4007 	return qla2x00_post_work(vha, e);
4008 }
4009 
4010 int
4011 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4012 {
4013 	struct qla_work_evt *e;
4014 
4015 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4016 	if (!e)
4017 		return QLA_FUNCTION_FAILED;
4018 
4019 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4020 	return qla2x00_post_work(vha, e);
4021 }
4022 
4023 #define qla2x00_post_async_work(name, type)	\
4024 int qla2x00_post_async_##name##_work(		\
4025     struct scsi_qla_host *vha,			\
4026     fc_port_t *fcport, uint16_t *data)		\
4027 {						\
4028 	struct qla_work_evt *e;			\
4029 						\
4030 	e = qla2x00_alloc_work(vha, type);	\
4031 	if (!e)					\
4032 		return QLA_FUNCTION_FAILED;	\
4033 						\
4034 	e->u.logio.fcport = fcport;		\
4035 	if (data) {				\
4036 		e->u.logio.data[0] = data[0];	\
4037 		e->u.logio.data[1] = data[1];	\
4038 	}					\
4039 	return qla2x00_post_work(vha, e);	\
4040 }
4041 
4042 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4043 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
4044 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4045 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4046 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4047 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4048 
4049 int
4050 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4051 {
4052 	struct qla_work_evt *e;
4053 
4054 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4055 	if (!e)
4056 		return QLA_FUNCTION_FAILED;
4057 
4058 	e->u.uevent.code = code;
4059 	return qla2x00_post_work(vha, e);
4060 }
4061 
4062 static void
4063 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4064 {
4065 	char event_string[40];
4066 	char *envp[] = { event_string, NULL };
4067 
4068 	switch (code) {
4069 	case QLA_UEVENT_CODE_FW_DUMP:
4070 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4071 		    vha->host_no);
4072 		break;
4073 	default:
4074 		/* do nothing */
4075 		break;
4076 	}
4077 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4078 }
4079 
4080 int
4081 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4082 			uint32_t *data, int cnt)
4083 {
4084 	struct qla_work_evt *e;
4085 
4086 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4087 	if (!e)
4088 		return QLA_FUNCTION_FAILED;
4089 
4090 	e->u.aenfx.evtcode = evtcode;
4091 	e->u.aenfx.count = cnt;
4092 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4093 	return qla2x00_post_work(vha, e);
4094 }
4095 
4096 void
4097 qla2x00_do_work(struct scsi_qla_host *vha)
4098 {
4099 	struct qla_work_evt *e, *tmp;
4100 	unsigned long flags;
4101 	LIST_HEAD(work);
4102 
4103 	spin_lock_irqsave(&vha->work_lock, flags);
4104 	list_splice_init(&vha->work_list, &work);
4105 	spin_unlock_irqrestore(&vha->work_lock, flags);
4106 
4107 	list_for_each_entry_safe(e, tmp, &work, list) {
4108 		list_del_init(&e->list);
4109 
4110 		switch (e->type) {
4111 		case QLA_EVT_AEN:
4112 			fc_host_post_event(vha->host, fc_get_event_number(),
4113 			    e->u.aen.code, e->u.aen.data);
4114 			break;
4115 		case QLA_EVT_IDC_ACK:
4116 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4117 			break;
4118 		case QLA_EVT_ASYNC_LOGIN:
4119 			qla2x00_async_login(vha, e->u.logio.fcport,
4120 			    e->u.logio.data);
4121 			break;
4122 		case QLA_EVT_ASYNC_LOGIN_DONE:
4123 			qla2x00_async_login_done(vha, e->u.logio.fcport,
4124 			    e->u.logio.data);
4125 			break;
4126 		case QLA_EVT_ASYNC_LOGOUT:
4127 			qla2x00_async_logout(vha, e->u.logio.fcport);
4128 			break;
4129 		case QLA_EVT_ASYNC_LOGOUT_DONE:
4130 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
4131 			    e->u.logio.data);
4132 			break;
4133 		case QLA_EVT_ASYNC_ADISC:
4134 			qla2x00_async_adisc(vha, e->u.logio.fcport,
4135 			    e->u.logio.data);
4136 			break;
4137 		case QLA_EVT_ASYNC_ADISC_DONE:
4138 			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4139 			    e->u.logio.data);
4140 			break;
4141 		case QLA_EVT_UEVENT:
4142 			qla2x00_uevent_emit(vha, e->u.uevent.code);
4143 			break;
4144 		case QLA_EVT_AENFX:
4145 			qlafx00_process_aen(vha, e);
4146 			break;
4147 		}
4148 		if (e->flags & QLA_EVT_FLAG_FREE)
4149 			kfree(e);
4150 
4151 		/* For each work completed decrement vha ref count */
4152 		QLA_VHA_MARK_NOT_BUSY(vha);
4153 	}
4154 }
4155 
4156 /* Relogins all the fcports of a vport
4157  * Context: dpc thread
4158  */
4159 void qla2x00_relogin(struct scsi_qla_host *vha)
4160 {
4161 	fc_port_t       *fcport;
4162 	int status;
4163 	uint16_t        next_loopid = 0;
4164 	struct qla_hw_data *ha = vha->hw;
4165 	uint16_t data[2];
4166 
4167 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4168 	/*
4169 	 * If the port is not ONLINE then try to login
4170 	 * to it if we haven't run out of retries.
4171 	 */
4172 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
4173 		    fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4174 			fcport->login_retry--;
4175 			if (fcport->flags & FCF_FABRIC_DEVICE) {
4176 				if (fcport->flags & FCF_FCP2_DEVICE)
4177 					ha->isp_ops->fabric_logout(vha,
4178 							fcport->loop_id,
4179 							fcport->d_id.b.domain,
4180 							fcport->d_id.b.area,
4181 							fcport->d_id.b.al_pa);
4182 
4183 				if (fcport->loop_id == FC_NO_LOOP_ID) {
4184 					fcport->loop_id = next_loopid =
4185 					    ha->min_external_loopid;
4186 					status = qla2x00_find_new_loop_id(
4187 					    vha, fcport);
4188 					if (status != QLA_SUCCESS) {
4189 						/* Ran out of IDs to use */
4190 						break;
4191 					}
4192 				}
4193 
4194 				if (IS_ALOGIO_CAPABLE(ha)) {
4195 					fcport->flags |= FCF_ASYNC_SENT;
4196 					data[0] = 0;
4197 					data[1] = QLA_LOGIO_LOGIN_RETRIED;
4198 					status = qla2x00_post_async_login_work(
4199 					    vha, fcport, data);
4200 					if (status == QLA_SUCCESS)
4201 						continue;
4202 					/* Attempt a retry. */
4203 					status = 1;
4204 				} else {
4205 					status = qla2x00_fabric_login(vha,
4206 					    fcport, &next_loopid);
4207 					if (status ==  QLA_SUCCESS) {
4208 						int status2;
4209 						uint8_t opts;
4210 
4211 						opts = 0;
4212 						if (fcport->flags &
4213 						    FCF_FCP2_DEVICE)
4214 							opts |= BIT_1;
4215 						status2 =
4216 						    qla2x00_get_port_database(
4217 							vha, fcport, opts);
4218 						if (status2 != QLA_SUCCESS)
4219 							status = 1;
4220 					}
4221 				}
4222 			} else
4223 				status = qla2x00_local_device_login(vha,
4224 								fcport);
4225 
4226 			if (status == QLA_SUCCESS) {
4227 				fcport->old_loop_id = fcport->loop_id;
4228 
4229 				ql_dbg(ql_dbg_disc, vha, 0x2003,
4230 				    "Port login OK: logged in ID 0x%x.\n",
4231 				    fcport->loop_id);
4232 
4233 				qla2x00_update_fcport(vha, fcport);
4234 
4235 			} else if (status == 1) {
4236 				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4237 				/* retry the login again */
4238 				ql_dbg(ql_dbg_disc, vha, 0x2007,
4239 				    "Retrying %d login again loop_id 0x%x.\n",
4240 				    fcport->login_retry, fcport->loop_id);
4241 			} else {
4242 				fcport->login_retry = 0;
4243 			}
4244 
4245 			if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4246 				qla2x00_clear_loop_id(fcport);
4247 		}
4248 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4249 			break;
4250 	}
4251 }
4252 
4253 /* Schedule work on any of the dpc-workqueues */
4254 void
4255 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4256 {
4257 	struct qla_hw_data *ha = base_vha->hw;
4258 
4259 	switch (work_code) {
4260 	case MBA_IDC_AEN: /* 0x8200 */
4261 		if (ha->dpc_lp_wq)
4262 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4263 		break;
4264 
4265 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4266 		if (!ha->flags.nic_core_reset_hdlr_active) {
4267 			if (ha->dpc_hp_wq)
4268 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4269 		} else
4270 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4271 			    "NIC Core reset is already active. Skip "
4272 			    "scheduling it again.\n");
4273 		break;
4274 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4275 		if (ha->dpc_hp_wq)
4276 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4277 		break;
4278 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4279 		if (ha->dpc_hp_wq)
4280 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4281 		break;
4282 	default:
4283 		ql_log(ql_log_warn, base_vha, 0xb05f,
4284 		    "Unknown work-code=0x%x.\n", work_code);
4285 	}
4286 
4287 	return;
4288 }
4289 
4290 /* Work: Perform NIC Core Unrecoverable state handling */
4291 void
4292 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4293 {
4294 	struct qla_hw_data *ha =
4295 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4296 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4297 	uint32_t dev_state = 0;
4298 
4299 	qla83xx_idc_lock(base_vha, 0);
4300 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4301 	qla83xx_reset_ownership(base_vha);
4302 	if (ha->flags.nic_core_reset_owner) {
4303 		ha->flags.nic_core_reset_owner = 0;
4304 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4305 		    QLA8XXX_DEV_FAILED);
4306 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4307 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4308 	}
4309 	qla83xx_idc_unlock(base_vha, 0);
4310 }
4311 
4312 /* Work: Execute IDC state handler */
4313 void
4314 qla83xx_idc_state_handler_work(struct work_struct *work)
4315 {
4316 	struct qla_hw_data *ha =
4317 		container_of(work, struct qla_hw_data, idc_state_handler);
4318 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4319 	uint32_t dev_state = 0;
4320 
4321 	qla83xx_idc_lock(base_vha, 0);
4322 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4323 	if (dev_state == QLA8XXX_DEV_FAILED ||
4324 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4325 		qla83xx_idc_state_handler(base_vha);
4326 	qla83xx_idc_unlock(base_vha, 0);
4327 }
4328 
4329 static int
4330 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4331 {
4332 	int rval = QLA_SUCCESS;
4333 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
4334 	uint32_t heart_beat_counter1, heart_beat_counter2;
4335 
4336 	do {
4337 		if (time_after(jiffies, heart_beat_wait)) {
4338 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4339 			    "Nic Core f/w is not alive.\n");
4340 			rval = QLA_FUNCTION_FAILED;
4341 			break;
4342 		}
4343 
4344 		qla83xx_idc_lock(base_vha, 0);
4345 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4346 		    &heart_beat_counter1);
4347 		qla83xx_idc_unlock(base_vha, 0);
4348 		msleep(100);
4349 		qla83xx_idc_lock(base_vha, 0);
4350 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4351 		    &heart_beat_counter2);
4352 		qla83xx_idc_unlock(base_vha, 0);
4353 	} while (heart_beat_counter1 == heart_beat_counter2);
4354 
4355 	return rval;
4356 }
4357 
4358 /* Work: Perform NIC Core Reset handling */
4359 void
4360 qla83xx_nic_core_reset_work(struct work_struct *work)
4361 {
4362 	struct qla_hw_data *ha =
4363 		container_of(work, struct qla_hw_data, nic_core_reset);
4364 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4365 	uint32_t dev_state = 0;
4366 
4367 	if (IS_QLA2031(ha)) {
4368 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4369 			ql_log(ql_log_warn, base_vha, 0xb081,
4370 			    "Failed to dump mctp\n");
4371 		return;
4372 	}
4373 
4374 	if (!ha->flags.nic_core_reset_hdlr_active) {
4375 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4376 			qla83xx_idc_lock(base_vha, 0);
4377 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4378 			    &dev_state);
4379 			qla83xx_idc_unlock(base_vha, 0);
4380 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4381 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4382 				    "Nic Core f/w is alive.\n");
4383 				return;
4384 			}
4385 		}
4386 
4387 		ha->flags.nic_core_reset_hdlr_active = 1;
4388 		if (qla83xx_nic_core_reset(base_vha)) {
4389 			/* NIC Core reset failed. */
4390 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4391 			    "NIC Core reset failed.\n");
4392 		}
4393 		ha->flags.nic_core_reset_hdlr_active = 0;
4394 	}
4395 }
4396 
4397 /* Work: Handle 8200 IDC aens */
4398 void
4399 qla83xx_service_idc_aen(struct work_struct *work)
4400 {
4401 	struct qla_hw_data *ha =
4402 		container_of(work, struct qla_hw_data, idc_aen);
4403 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4404 	uint32_t dev_state, idc_control;
4405 
4406 	qla83xx_idc_lock(base_vha, 0);
4407 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4408 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4409 	qla83xx_idc_unlock(base_vha, 0);
4410 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4411 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4412 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4413 			    "Application requested NIC Core Reset.\n");
4414 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4415 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4416 		    QLA_SUCCESS) {
4417 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4418 			    "Other protocol driver requested NIC Core Reset.\n");
4419 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4420 		}
4421 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
4422 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4423 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4424 	}
4425 }
4426 
4427 static void
4428 qla83xx_wait_logic(void)
4429 {
4430 	int i;
4431 
4432 	/* Yield CPU */
4433 	if (!in_interrupt()) {
4434 		/*
4435 		 * Wait about 200ms before retrying again.
4436 		 * This controls the number of retries for single
4437 		 * lock operation.
4438 		 */
4439 		msleep(100);
4440 		schedule();
4441 	} else {
4442 		for (i = 0; i < 20; i++)
4443 			cpu_relax(); /* This a nop instr on i386 */
4444 	}
4445 }
4446 
4447 static int
4448 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4449 {
4450 	int rval;
4451 	uint32_t data;
4452 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
4453 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4454 	struct qla_hw_data *ha = base_vha->hw;
4455 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4456 	    "Trying force recovery of the IDC lock.\n");
4457 
4458 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4459 	if (rval)
4460 		return rval;
4461 
4462 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
4463 		return QLA_SUCCESS;
4464 	} else {
4465 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4466 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4467 		    data);
4468 		if (rval)
4469 			return rval;
4470 
4471 		msleep(200);
4472 
4473 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4474 		    &data);
4475 		if (rval)
4476 			return rval;
4477 
4478 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4479 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
4480 					~(idc_lck_rcvry_stage_mask));
4481 			rval = qla83xx_wr_reg(base_vha,
4482 			    QLA83XX_IDC_LOCK_RECOVERY, data);
4483 			if (rval)
4484 				return rval;
4485 
4486 			/* Forcefully perform IDC UnLock */
4487 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4488 			    &data);
4489 			if (rval)
4490 				return rval;
4491 			/* Clear lock-id by setting 0xff */
4492 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4493 			    0xff);
4494 			if (rval)
4495 				return rval;
4496 			/* Clear lock-recovery by setting 0x0 */
4497 			rval = qla83xx_wr_reg(base_vha,
4498 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4499 			if (rval)
4500 				return rval;
4501 		} else
4502 			return QLA_SUCCESS;
4503 	}
4504 
4505 	return rval;
4506 }
4507 
4508 static int
4509 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4510 {
4511 	int rval = QLA_SUCCESS;
4512 	uint32_t o_drv_lockid, n_drv_lockid;
4513 	unsigned long lock_recovery_timeout;
4514 
4515 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4516 retry_lockid:
4517 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4518 	if (rval)
4519 		goto exit;
4520 
4521 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
4522 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
4523 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4524 			return QLA_SUCCESS;
4525 		else
4526 			return QLA_FUNCTION_FAILED;
4527 	}
4528 
4529 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4530 	if (rval)
4531 		goto exit;
4532 
4533 	if (o_drv_lockid == n_drv_lockid) {
4534 		qla83xx_wait_logic();
4535 		goto retry_lockid;
4536 	} else
4537 		return QLA_SUCCESS;
4538 
4539 exit:
4540 	return rval;
4541 }
4542 
4543 void
4544 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4545 {
4546 	uint16_t options = (requester_id << 15) | BIT_6;
4547 	uint32_t data;
4548 	uint32_t lock_owner;
4549 	struct qla_hw_data *ha = base_vha->hw;
4550 
4551 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
4552 retry_lock:
4553 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4554 	    == QLA_SUCCESS) {
4555 		if (data) {
4556 			/* Setting lock-id to our function-number */
4557 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4558 			    ha->portnum);
4559 		} else {
4560 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4561 			    &lock_owner);
4562 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4563 			    "Failed to acquire IDC lock, acquired by %d, "
4564 			    "retrying...\n", lock_owner);
4565 
4566 			/* Retry/Perform IDC-Lock recovery */
4567 			if (qla83xx_idc_lock_recovery(base_vha)
4568 			    == QLA_SUCCESS) {
4569 				qla83xx_wait_logic();
4570 				goto retry_lock;
4571 			} else
4572 				ql_log(ql_log_warn, base_vha, 0xb075,
4573 				    "IDC Lock recovery FAILED.\n");
4574 		}
4575 
4576 	}
4577 
4578 	return;
4579 
4580 	/* XXX: IDC-lock implementation using access-control mbx */
4581 retry_lock2:
4582 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4583 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4584 		    "Failed to acquire IDC lock. retrying...\n");
4585 		/* Retry/Perform IDC-Lock recovery */
4586 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4587 			qla83xx_wait_logic();
4588 			goto retry_lock2;
4589 		} else
4590 			ql_log(ql_log_warn, base_vha, 0xb076,
4591 			    "IDC Lock recovery FAILED.\n");
4592 	}
4593 
4594 	return;
4595 }
4596 
4597 void
4598 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4599 {
4600 #if 0
4601 	uint16_t options = (requester_id << 15) | BIT_7;
4602 #endif
4603 	uint16_t retry;
4604 	uint32_t data;
4605 	struct qla_hw_data *ha = base_vha->hw;
4606 
4607 	/* IDC-unlock implementation using driver-unlock/lock-id
4608 	 * remote registers
4609 	 */
4610 	retry = 0;
4611 retry_unlock:
4612 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4613 	    == QLA_SUCCESS) {
4614 		if (data == ha->portnum) {
4615 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4616 			/* Clearing lock-id by setting 0xff */
4617 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4618 		} else if (retry < 10) {
4619 			/* SV: XXX: IDC unlock retrying needed here? */
4620 
4621 			/* Retry for IDC-unlock */
4622 			qla83xx_wait_logic();
4623 			retry++;
4624 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4625 			    "Failed to release IDC lock, retyring=%d\n", retry);
4626 			goto retry_unlock;
4627 		}
4628 	} else if (retry < 10) {
4629 		/* Retry for IDC-unlock */
4630 		qla83xx_wait_logic();
4631 		retry++;
4632 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4633 		    "Failed to read drv-lockid, retyring=%d\n", retry);
4634 		goto retry_unlock;
4635 	}
4636 
4637 	return;
4638 
4639 #if 0
4640 	/* XXX: IDC-unlock implementation using access-control mbx */
4641 	retry = 0;
4642 retry_unlock2:
4643 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4644 		if (retry < 10) {
4645 			/* Retry for IDC-unlock */
4646 			qla83xx_wait_logic();
4647 			retry++;
4648 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4649 			    "Failed to release IDC lock, retyring=%d\n", retry);
4650 			goto retry_unlock2;
4651 		}
4652 	}
4653 
4654 	return;
4655 #endif
4656 }
4657 
4658 int
4659 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4660 {
4661 	int rval = QLA_SUCCESS;
4662 	struct qla_hw_data *ha = vha->hw;
4663 	uint32_t drv_presence;
4664 
4665 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4666 	if (rval == QLA_SUCCESS) {
4667 		drv_presence |= (1 << ha->portnum);
4668 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4669 		    drv_presence);
4670 	}
4671 
4672 	return rval;
4673 }
4674 
4675 int
4676 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4677 {
4678 	int rval = QLA_SUCCESS;
4679 
4680 	qla83xx_idc_lock(vha, 0);
4681 	rval = __qla83xx_set_drv_presence(vha);
4682 	qla83xx_idc_unlock(vha, 0);
4683 
4684 	return rval;
4685 }
4686 
4687 int
4688 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4689 {
4690 	int rval = QLA_SUCCESS;
4691 	struct qla_hw_data *ha = vha->hw;
4692 	uint32_t drv_presence;
4693 
4694 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4695 	if (rval == QLA_SUCCESS) {
4696 		drv_presence &= ~(1 << ha->portnum);
4697 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4698 		    drv_presence);
4699 	}
4700 
4701 	return rval;
4702 }
4703 
4704 int
4705 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4706 {
4707 	int rval = QLA_SUCCESS;
4708 
4709 	qla83xx_idc_lock(vha, 0);
4710 	rval = __qla83xx_clear_drv_presence(vha);
4711 	qla83xx_idc_unlock(vha, 0);
4712 
4713 	return rval;
4714 }
4715 
4716 static void
4717 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4718 {
4719 	struct qla_hw_data *ha = vha->hw;
4720 	uint32_t drv_ack, drv_presence;
4721 	unsigned long ack_timeout;
4722 
4723 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4724 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4725 	while (1) {
4726 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4727 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4728 		if ((drv_ack & drv_presence) == drv_presence)
4729 			break;
4730 
4731 		if (time_after_eq(jiffies, ack_timeout)) {
4732 			ql_log(ql_log_warn, vha, 0xb067,
4733 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
4734 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
4735 			/*
4736 			 * The function(s) which did not ack in time are forced
4737 			 * to withdraw any further participation in the IDC
4738 			 * reset.
4739 			 */
4740 			if (drv_ack != drv_presence)
4741 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4742 				    drv_ack);
4743 			break;
4744 		}
4745 
4746 		qla83xx_idc_unlock(vha, 0);
4747 		msleep(1000);
4748 		qla83xx_idc_lock(vha, 0);
4749 	}
4750 
4751 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4752 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4753 }
4754 
4755 static int
4756 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4757 {
4758 	int rval = QLA_SUCCESS;
4759 	uint32_t idc_control;
4760 
4761 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4762 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4763 
4764 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4765 	__qla83xx_get_idc_control(vha, &idc_control);
4766 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4767 	__qla83xx_set_idc_control(vha, 0);
4768 
4769 	qla83xx_idc_unlock(vha, 0);
4770 	rval = qla83xx_restart_nic_firmware(vha);
4771 	qla83xx_idc_lock(vha, 0);
4772 
4773 	if (rval != QLA_SUCCESS) {
4774 		ql_log(ql_log_fatal, vha, 0xb06a,
4775 		    "Failed to restart NIC f/w.\n");
4776 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4777 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4778 	} else {
4779 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4780 		    "Success in restarting nic f/w.\n");
4781 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4782 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4783 	}
4784 
4785 	return rval;
4786 }
4787 
4788 /* Assumes idc_lock always held on entry */
4789 int
4790 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4791 {
4792 	struct qla_hw_data *ha = base_vha->hw;
4793 	int rval = QLA_SUCCESS;
4794 	unsigned long dev_init_timeout;
4795 	uint32_t dev_state;
4796 
4797 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4798 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4799 
4800 	while (1) {
4801 
4802 		if (time_after_eq(jiffies, dev_init_timeout)) {
4803 			ql_log(ql_log_warn, base_vha, 0xb06e,
4804 			    "Initialization TIMEOUT!\n");
4805 			/* Init timeout. Disable further NIC Core
4806 			 * communication.
4807 			 */
4808 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4809 				QLA8XXX_DEV_FAILED);
4810 			ql_log(ql_log_info, base_vha, 0xb06f,
4811 			    "HW State: FAILED.\n");
4812 		}
4813 
4814 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4815 		switch (dev_state) {
4816 		case QLA8XXX_DEV_READY:
4817 			if (ha->flags.nic_core_reset_owner)
4818 				qla83xx_idc_audit(base_vha,
4819 				    IDC_AUDIT_COMPLETION);
4820 			ha->flags.nic_core_reset_owner = 0;
4821 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4822 			    "Reset_owner reset by 0x%x.\n",
4823 			    ha->portnum);
4824 			goto exit;
4825 		case QLA8XXX_DEV_COLD:
4826 			if (ha->flags.nic_core_reset_owner)
4827 				rval = qla83xx_device_bootstrap(base_vha);
4828 			else {
4829 			/* Wait for AEN to change device-state */
4830 				qla83xx_idc_unlock(base_vha, 0);
4831 				msleep(1000);
4832 				qla83xx_idc_lock(base_vha, 0);
4833 			}
4834 			break;
4835 		case QLA8XXX_DEV_INITIALIZING:
4836 			/* Wait for AEN to change device-state */
4837 			qla83xx_idc_unlock(base_vha, 0);
4838 			msleep(1000);
4839 			qla83xx_idc_lock(base_vha, 0);
4840 			break;
4841 		case QLA8XXX_DEV_NEED_RESET:
4842 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4843 				qla83xx_need_reset_handler(base_vha);
4844 			else {
4845 				/* Wait for AEN to change device-state */
4846 				qla83xx_idc_unlock(base_vha, 0);
4847 				msleep(1000);
4848 				qla83xx_idc_lock(base_vha, 0);
4849 			}
4850 			/* reset timeout value after need reset handler */
4851 			dev_init_timeout = jiffies +
4852 			    (ha->fcoe_dev_init_timeout * HZ);
4853 			break;
4854 		case QLA8XXX_DEV_NEED_QUIESCENT:
4855 			/* XXX: DEBUG for now */
4856 			qla83xx_idc_unlock(base_vha, 0);
4857 			msleep(1000);
4858 			qla83xx_idc_lock(base_vha, 0);
4859 			break;
4860 		case QLA8XXX_DEV_QUIESCENT:
4861 			/* XXX: DEBUG for now */
4862 			if (ha->flags.quiesce_owner)
4863 				goto exit;
4864 
4865 			qla83xx_idc_unlock(base_vha, 0);
4866 			msleep(1000);
4867 			qla83xx_idc_lock(base_vha, 0);
4868 			dev_init_timeout = jiffies +
4869 			    (ha->fcoe_dev_init_timeout * HZ);
4870 			break;
4871 		case QLA8XXX_DEV_FAILED:
4872 			if (ha->flags.nic_core_reset_owner)
4873 				qla83xx_idc_audit(base_vha,
4874 				    IDC_AUDIT_COMPLETION);
4875 			ha->flags.nic_core_reset_owner = 0;
4876 			__qla83xx_clear_drv_presence(base_vha);
4877 			qla83xx_idc_unlock(base_vha, 0);
4878 			qla8xxx_dev_failed_handler(base_vha);
4879 			rval = QLA_FUNCTION_FAILED;
4880 			qla83xx_idc_lock(base_vha, 0);
4881 			goto exit;
4882 		case QLA8XXX_BAD_VALUE:
4883 			qla83xx_idc_unlock(base_vha, 0);
4884 			msleep(1000);
4885 			qla83xx_idc_lock(base_vha, 0);
4886 			break;
4887 		default:
4888 			ql_log(ql_log_warn, base_vha, 0xb071,
4889 			    "Unknown Device State: %x.\n", dev_state);
4890 			qla83xx_idc_unlock(base_vha, 0);
4891 			qla8xxx_dev_failed_handler(base_vha);
4892 			rval = QLA_FUNCTION_FAILED;
4893 			qla83xx_idc_lock(base_vha, 0);
4894 			goto exit;
4895 		}
4896 	}
4897 
4898 exit:
4899 	return rval;
4900 }
4901 
4902 void
4903 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4904 {
4905 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4906 	    board_disable);
4907 	struct pci_dev *pdev = ha->pdev;
4908 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4909 
4910 	ql_log(ql_log_warn, base_vha, 0x015b,
4911 	    "Disabling adapter.\n");
4912 
4913 	set_bit(UNLOADING, &base_vha->dpc_flags);
4914 
4915 	qla2x00_delete_all_vps(ha, base_vha);
4916 
4917 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4918 
4919 	qla2x00_dfs_remove(base_vha);
4920 
4921 	qla84xx_put_chip(base_vha);
4922 
4923 	if (base_vha->timer_active)
4924 		qla2x00_stop_timer(base_vha);
4925 
4926 	base_vha->flags.online = 0;
4927 
4928 	qla2x00_destroy_deferred_work(ha);
4929 
4930 	/*
4931 	 * Do not try to stop beacon blink as it will issue a mailbox
4932 	 * command.
4933 	 */
4934 	qla2x00_free_sysfs_attr(base_vha, false);
4935 
4936 	fc_remove_host(base_vha->host);
4937 
4938 	scsi_remove_host(base_vha->host);
4939 
4940 	base_vha->flags.init_done = 0;
4941 	qla25xx_delete_queues(base_vha);
4942 	qla2x00_free_irqs(base_vha);
4943 	qla2x00_free_fcports(base_vha);
4944 	qla2x00_mem_free(ha);
4945 	qla82xx_md_free(base_vha);
4946 	qla2x00_free_queues(ha);
4947 
4948 	qla2x00_unmap_iobases(ha);
4949 
4950 	pci_release_selected_regions(ha->pdev, ha->bars);
4951 	pci_disable_pcie_error_reporting(pdev);
4952 	pci_disable_device(pdev);
4953 
4954 	/*
4955 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
4956 	 */
4957 }
4958 
4959 /**************************************************************************
4960 * qla2x00_do_dpc
4961 *   This kernel thread is a task that is schedule by the interrupt handler
4962 *   to perform the background processing for interrupts.
4963 *
4964 * Notes:
4965 * This task always run in the context of a kernel thread.  It
4966 * is kick-off by the driver's detect code and starts up
4967 * up one per adapter. It immediately goes to sleep and waits for
4968 * some fibre event.  When either the interrupt handler or
4969 * the timer routine detects a event it will one of the task
4970 * bits then wake us up.
4971 **************************************************************************/
4972 static int
4973 qla2x00_do_dpc(void *data)
4974 {
4975 	scsi_qla_host_t *base_vha;
4976 	struct qla_hw_data *ha;
4977 
4978 	ha = (struct qla_hw_data *)data;
4979 	base_vha = pci_get_drvdata(ha->pdev);
4980 
4981 	set_user_nice(current, MIN_NICE);
4982 
4983 	set_current_state(TASK_INTERRUPTIBLE);
4984 	while (!kthread_should_stop()) {
4985 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4986 		    "DPC handler sleeping.\n");
4987 
4988 		schedule();
4989 
4990 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4991 			goto end_loop;
4992 
4993 		if (ha->flags.eeh_busy) {
4994 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4995 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
4996 			goto end_loop;
4997 		}
4998 
4999 		ha->dpc_active = 1;
5000 
5001 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5002 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
5003 		    base_vha->dpc_flags);
5004 
5005 		qla2x00_do_work(base_vha);
5006 
5007 		if (IS_P3P_TYPE(ha)) {
5008 			if (IS_QLA8044(ha)) {
5009 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5010 					&base_vha->dpc_flags)) {
5011 					qla8044_idc_lock(ha);
5012 					qla8044_wr_direct(base_vha,
5013 						QLA8044_CRB_DEV_STATE_INDEX,
5014 						QLA8XXX_DEV_FAILED);
5015 					qla8044_idc_unlock(ha);
5016 					ql_log(ql_log_info, base_vha, 0x4004,
5017 						"HW State: FAILED.\n");
5018 					qla8044_device_state_handler(base_vha);
5019 					continue;
5020 				}
5021 
5022 			} else {
5023 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5024 					&base_vha->dpc_flags)) {
5025 					qla82xx_idc_lock(ha);
5026 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5027 						QLA8XXX_DEV_FAILED);
5028 					qla82xx_idc_unlock(ha);
5029 					ql_log(ql_log_info, base_vha, 0x0151,
5030 						"HW State: FAILED.\n");
5031 					qla82xx_device_state_handler(base_vha);
5032 					continue;
5033 				}
5034 			}
5035 
5036 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5037 				&base_vha->dpc_flags)) {
5038 
5039 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5040 				    "FCoE context reset scheduled.\n");
5041 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5042 					&base_vha->dpc_flags))) {
5043 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
5044 						/* FCoE-ctx reset failed.
5045 						 * Escalate to chip-reset
5046 						 */
5047 						set_bit(ISP_ABORT_NEEDED,
5048 							&base_vha->dpc_flags);
5049 					}
5050 					clear_bit(ABORT_ISP_ACTIVE,
5051 						&base_vha->dpc_flags);
5052 				}
5053 
5054 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5055 				    "FCoE context reset end.\n");
5056 			}
5057 		} else if (IS_QLAFX00(ha)) {
5058 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
5059 				&base_vha->dpc_flags)) {
5060 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5061 				    "Firmware Reset Recovery\n");
5062 				if (qlafx00_reset_initialize(base_vha)) {
5063 					/* Failed. Abort isp later. */
5064 					if (!test_bit(UNLOADING,
5065 					    &base_vha->dpc_flags)) {
5066 						set_bit(ISP_UNRECOVERABLE,
5067 						    &base_vha->dpc_flags);
5068 						ql_dbg(ql_dbg_dpc, base_vha,
5069 						    0x4021,
5070 						    "Reset Recovery Failed\n");
5071 					}
5072 				}
5073 			}
5074 
5075 			if (test_and_clear_bit(FX00_TARGET_SCAN,
5076 				&base_vha->dpc_flags)) {
5077 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
5078 				    "ISPFx00 Target Scan scheduled\n");
5079 				if (qlafx00_rescan_isp(base_vha)) {
5080 					if (!test_bit(UNLOADING,
5081 					    &base_vha->dpc_flags))
5082 						set_bit(ISP_UNRECOVERABLE,
5083 						    &base_vha->dpc_flags);
5084 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
5085 					    "ISPFx00 Target Scan Failed\n");
5086 				}
5087 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
5088 				    "ISPFx00 Target Scan End\n");
5089 			}
5090 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
5091 				&base_vha->dpc_flags)) {
5092 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
5093 				    "ISPFx00 Host Info resend scheduled\n");
5094 				qlafx00_fx_disc(base_vha,
5095 				    &base_vha->hw->mr.fcport,
5096 				    FXDISC_REG_HOST_INFO);
5097 			}
5098 		}
5099 
5100 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
5101 						&base_vha->dpc_flags)) {
5102 
5103 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
5104 			    "ISP abort scheduled.\n");
5105 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5106 			    &base_vha->dpc_flags))) {
5107 
5108 				if (ha->isp_ops->abort_isp(base_vha)) {
5109 					/* failed. retry later */
5110 					set_bit(ISP_ABORT_NEEDED,
5111 					    &base_vha->dpc_flags);
5112 				}
5113 				clear_bit(ABORT_ISP_ACTIVE,
5114 						&base_vha->dpc_flags);
5115 			}
5116 
5117 			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
5118 			    "ISP abort end.\n");
5119 		}
5120 
5121 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
5122 		    &base_vha->dpc_flags)) {
5123 			qla2x00_update_fcports(base_vha);
5124 		}
5125 
5126 		if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
5127 			int ret;
5128 			ret = qla2x00_send_change_request(base_vha, 0x3, 0);
5129 			if (ret != QLA_SUCCESS)
5130 				ql_log(ql_log_warn, base_vha, 0x121,
5131 				    "Failed to enable receiving of RSCN "
5132 				    "requests: 0x%x.\n", ret);
5133 			clear_bit(SCR_PENDING, &base_vha->dpc_flags);
5134 		}
5135 
5136 		if (IS_QLAFX00(ha))
5137 			goto loop_resync_check;
5138 
5139 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
5140 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
5141 			    "Quiescence mode scheduled.\n");
5142 			if (IS_P3P_TYPE(ha)) {
5143 				if (IS_QLA82XX(ha))
5144 					qla82xx_device_state_handler(base_vha);
5145 				if (IS_QLA8044(ha))
5146 					qla8044_device_state_handler(base_vha);
5147 				clear_bit(ISP_QUIESCE_NEEDED,
5148 				    &base_vha->dpc_flags);
5149 				if (!ha->flags.quiesce_owner) {
5150 					qla2x00_perform_loop_resync(base_vha);
5151 					if (IS_QLA82XX(ha)) {
5152 						qla82xx_idc_lock(ha);
5153 						qla82xx_clear_qsnt_ready(
5154 						    base_vha);
5155 						qla82xx_idc_unlock(ha);
5156 					} else if (IS_QLA8044(ha)) {
5157 						qla8044_idc_lock(ha);
5158 						qla8044_clear_qsnt_ready(
5159 						    base_vha);
5160 						qla8044_idc_unlock(ha);
5161 					}
5162 				}
5163 			} else {
5164 				clear_bit(ISP_QUIESCE_NEEDED,
5165 				    &base_vha->dpc_flags);
5166 				qla2x00_quiesce_io(base_vha);
5167 			}
5168 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
5169 			    "Quiescence mode end.\n");
5170 		}
5171 
5172 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
5173 				&base_vha->dpc_flags) &&
5174 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5175 
5176 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5177 			    "Reset marker scheduled.\n");
5178 			qla2x00_rst_aen(base_vha);
5179 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5180 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5181 			    "Reset marker end.\n");
5182 		}
5183 
5184 		/* Retry each device up to login retry count */
5185 		if ((test_and_clear_bit(RELOGIN_NEEDED,
5186 						&base_vha->dpc_flags)) &&
5187 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5188 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5189 
5190 			ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5191 			    "Relogin scheduled.\n");
5192 			qla2x00_relogin(base_vha);
5193 			ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5194 			    "Relogin end.\n");
5195 		}
5196 loop_resync_check:
5197 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5198 		    &base_vha->dpc_flags)) {
5199 
5200 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5201 			    "Loop resync scheduled.\n");
5202 
5203 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5204 			    &base_vha->dpc_flags))) {
5205 
5206 				qla2x00_loop_resync(base_vha);
5207 
5208 				clear_bit(LOOP_RESYNC_ACTIVE,
5209 						&base_vha->dpc_flags);
5210 			}
5211 
5212 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5213 			    "Loop resync end.\n");
5214 		}
5215 
5216 		if (IS_QLAFX00(ha))
5217 			goto intr_on_check;
5218 
5219 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5220 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
5221 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5222 			qla2xxx_flash_npiv_conf(base_vha);
5223 		}
5224 
5225 intr_on_check:
5226 		if (!ha->interrupts_on)
5227 			ha->isp_ops->enable_intrs(ha);
5228 
5229 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5230 					&base_vha->dpc_flags)) {
5231 			if (ha->beacon_blink_led == 1)
5232 				ha->isp_ops->beacon_blink(base_vha);
5233 		}
5234 
5235 		if (!IS_QLAFX00(ha))
5236 			qla2x00_do_dpc_all_vps(base_vha);
5237 
5238 		ha->dpc_active = 0;
5239 end_loop:
5240 		set_current_state(TASK_INTERRUPTIBLE);
5241 	} /* End of while(1) */
5242 	__set_current_state(TASK_RUNNING);
5243 
5244 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5245 	    "DPC handler exiting.\n");
5246 
5247 	/*
5248 	 * Make sure that nobody tries to wake us up again.
5249 	 */
5250 	ha->dpc_active = 0;
5251 
5252 	/* Cleanup any residual CTX SRBs. */
5253 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5254 
5255 	return 0;
5256 }
5257 
5258 void
5259 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5260 {
5261 	struct qla_hw_data *ha = vha->hw;
5262 	struct task_struct *t = ha->dpc_thread;
5263 
5264 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5265 		wake_up_process(t);
5266 }
5267 
5268 /*
5269 *  qla2x00_rst_aen
5270 *      Processes asynchronous reset.
5271 *
5272 * Input:
5273 *      ha  = adapter block pointer.
5274 */
5275 static void
5276 qla2x00_rst_aen(scsi_qla_host_t *vha)
5277 {
5278 	if (vha->flags.online && !vha->flags.reset_active &&
5279 	    !atomic_read(&vha->loop_down_timer) &&
5280 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5281 		do {
5282 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5283 
5284 			/*
5285 			 * Issue marker command only when we are going to start
5286 			 * the I/O.
5287 			 */
5288 			vha->marker_needed = 1;
5289 		} while (!atomic_read(&vha->loop_down_timer) &&
5290 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5291 	}
5292 }
5293 
5294 /**************************************************************************
5295 *   qla2x00_timer
5296 *
5297 * Description:
5298 *   One second timer
5299 *
5300 * Context: Interrupt
5301 ***************************************************************************/
5302 void
5303 qla2x00_timer(scsi_qla_host_t *vha)
5304 {
5305 	unsigned long	cpu_flags = 0;
5306 	int		start_dpc = 0;
5307 	int		index;
5308 	srb_t		*sp;
5309 	uint16_t        w;
5310 	struct qla_hw_data *ha = vha->hw;
5311 	struct req_que *req;
5312 
5313 	if (ha->flags.eeh_busy) {
5314 		ql_dbg(ql_dbg_timer, vha, 0x6000,
5315 		    "EEH = %d, restarting timer.\n",
5316 		    ha->flags.eeh_busy);
5317 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
5318 		return;
5319 	}
5320 
5321 	/*
5322 	 * Hardware read to raise pending EEH errors during mailbox waits. If
5323 	 * the read returns -1 then disable the board.
5324 	 */
5325 	if (!pci_channel_offline(ha->pdev)) {
5326 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5327 		qla2x00_check_reg16_for_disconnect(vha, w);
5328 	}
5329 
5330 	/* Make sure qla82xx_watchdog is run only for physical port */
5331 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5332 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5333 			start_dpc++;
5334 		if (IS_QLA82XX(ha))
5335 			qla82xx_watchdog(vha);
5336 		else if (IS_QLA8044(ha))
5337 			qla8044_watchdog(vha);
5338 	}
5339 
5340 	if (!vha->vp_idx && IS_QLAFX00(ha))
5341 		qlafx00_timer_routine(vha);
5342 
5343 	/* Loop down handler. */
5344 	if (atomic_read(&vha->loop_down_timer) > 0 &&
5345 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5346 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5347 		&& vha->flags.online) {
5348 
5349 		if (atomic_read(&vha->loop_down_timer) ==
5350 		    vha->loop_down_abort_time) {
5351 
5352 			ql_log(ql_log_info, vha, 0x6008,
5353 			    "Loop down - aborting the queues before time expires.\n");
5354 
5355 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
5356 				atomic_set(&vha->loop_state, LOOP_DEAD);
5357 
5358 			/*
5359 			 * Schedule an ISP abort to return any FCP2-device
5360 			 * commands.
5361 			 */
5362 			/* NPIV - scan physical port only */
5363 			if (!vha->vp_idx) {
5364 				spin_lock_irqsave(&ha->hardware_lock,
5365 				    cpu_flags);
5366 				req = ha->req_q_map[0];
5367 				for (index = 1;
5368 				    index < req->num_outstanding_cmds;
5369 				    index++) {
5370 					fc_port_t *sfcp;
5371 
5372 					sp = req->outstanding_cmds[index];
5373 					if (!sp)
5374 						continue;
5375 					if (sp->type != SRB_SCSI_CMD)
5376 						continue;
5377 					sfcp = sp->fcport;
5378 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
5379 						continue;
5380 
5381 					if (IS_QLA82XX(ha))
5382 						set_bit(FCOE_CTX_RESET_NEEDED,
5383 							&vha->dpc_flags);
5384 					else
5385 						set_bit(ISP_ABORT_NEEDED,
5386 							&vha->dpc_flags);
5387 					break;
5388 				}
5389 				spin_unlock_irqrestore(&ha->hardware_lock,
5390 								cpu_flags);
5391 			}
5392 			start_dpc++;
5393 		}
5394 
5395 		/* if the loop has been down for 4 minutes, reinit adapter */
5396 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5397 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
5398 				ql_log(ql_log_warn, vha, 0x6009,
5399 				    "Loop down - aborting ISP.\n");
5400 
5401 				if (IS_QLA82XX(ha))
5402 					set_bit(FCOE_CTX_RESET_NEEDED,
5403 						&vha->dpc_flags);
5404 				else
5405 					set_bit(ISP_ABORT_NEEDED,
5406 						&vha->dpc_flags);
5407 			}
5408 		}
5409 		ql_dbg(ql_dbg_timer, vha, 0x600a,
5410 		    "Loop down - seconds remaining %d.\n",
5411 		    atomic_read(&vha->loop_down_timer));
5412 	}
5413 	/* Check if beacon LED needs to be blinked for physical host only */
5414 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5415 		/* There is no beacon_blink function for ISP82xx */
5416 		if (!IS_P3P_TYPE(ha)) {
5417 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5418 			start_dpc++;
5419 		}
5420 	}
5421 
5422 	/* Process any deferred work. */
5423 	if (!list_empty(&vha->work_list))
5424 		start_dpc++;
5425 
5426 	/* Schedule the DPC routine if needed */
5427 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5428 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5429 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5430 	    start_dpc ||
5431 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5432 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5433 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5434 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5435 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5436 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5437 		ql_dbg(ql_dbg_timer, vha, 0x600b,
5438 		    "isp_abort_needed=%d loop_resync_needed=%d "
5439 		    "fcport_update_needed=%d start_dpc=%d "
5440 		    "reset_marker_needed=%d",
5441 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5442 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5443 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5444 		    start_dpc,
5445 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5446 		ql_dbg(ql_dbg_timer, vha, 0x600c,
5447 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
5448 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5449 		    "relogin_needed=%d.\n",
5450 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5451 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5452 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5453 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5454 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5455 		qla2xxx_wake_dpc(vha);
5456 	}
5457 
5458 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
5459 }
5460 
5461 /* Firmware interface routines. */
5462 
5463 #define FW_BLOBS	11
5464 #define FW_ISP21XX	0
5465 #define FW_ISP22XX	1
5466 #define FW_ISP2300	2
5467 #define FW_ISP2322	3
5468 #define FW_ISP24XX	4
5469 #define FW_ISP25XX	5
5470 #define FW_ISP81XX	6
5471 #define FW_ISP82XX	7
5472 #define FW_ISP2031	8
5473 #define FW_ISP8031	9
5474 #define FW_ISP27XX	10
5475 
5476 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
5477 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
5478 #define FW_FILE_ISP2300	"ql2300_fw.bin"
5479 #define FW_FILE_ISP2322	"ql2322_fw.bin"
5480 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
5481 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
5482 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
5483 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
5484 #define FW_FILE_ISP2031	"ql2600_fw.bin"
5485 #define FW_FILE_ISP8031	"ql8300_fw.bin"
5486 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
5487 
5488 
5489 static DEFINE_MUTEX(qla_fw_lock);
5490 
5491 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5492 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5493 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5494 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5495 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5496 	{ .name = FW_FILE_ISP24XX, },
5497 	{ .name = FW_FILE_ISP25XX, },
5498 	{ .name = FW_FILE_ISP81XX, },
5499 	{ .name = FW_FILE_ISP82XX, },
5500 	{ .name = FW_FILE_ISP2031, },
5501 	{ .name = FW_FILE_ISP8031, },
5502 	{ .name = FW_FILE_ISP27XX, },
5503 };
5504 
5505 struct fw_blob *
5506 qla2x00_request_firmware(scsi_qla_host_t *vha)
5507 {
5508 	struct qla_hw_data *ha = vha->hw;
5509 	struct fw_blob *blob;
5510 
5511 	if (IS_QLA2100(ha)) {
5512 		blob = &qla_fw_blobs[FW_ISP21XX];
5513 	} else if (IS_QLA2200(ha)) {
5514 		blob = &qla_fw_blobs[FW_ISP22XX];
5515 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5516 		blob = &qla_fw_blobs[FW_ISP2300];
5517 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5518 		blob = &qla_fw_blobs[FW_ISP2322];
5519 	} else if (IS_QLA24XX_TYPE(ha)) {
5520 		blob = &qla_fw_blobs[FW_ISP24XX];
5521 	} else if (IS_QLA25XX(ha)) {
5522 		blob = &qla_fw_blobs[FW_ISP25XX];
5523 	} else if (IS_QLA81XX(ha)) {
5524 		blob = &qla_fw_blobs[FW_ISP81XX];
5525 	} else if (IS_QLA82XX(ha)) {
5526 		blob = &qla_fw_blobs[FW_ISP82XX];
5527 	} else if (IS_QLA2031(ha)) {
5528 		blob = &qla_fw_blobs[FW_ISP2031];
5529 	} else if (IS_QLA8031(ha)) {
5530 		blob = &qla_fw_blobs[FW_ISP8031];
5531 	} else if (IS_QLA27XX(ha)) {
5532 		blob = &qla_fw_blobs[FW_ISP27XX];
5533 	} else {
5534 		return NULL;
5535 	}
5536 
5537 	mutex_lock(&qla_fw_lock);
5538 	if (blob->fw)
5539 		goto out;
5540 
5541 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5542 		ql_log(ql_log_warn, vha, 0x0063,
5543 		    "Failed to load firmware image (%s).\n", blob->name);
5544 		blob->fw = NULL;
5545 		blob = NULL;
5546 		goto out;
5547 	}
5548 
5549 out:
5550 	mutex_unlock(&qla_fw_lock);
5551 	return blob;
5552 }
5553 
5554 static void
5555 qla2x00_release_firmware(void)
5556 {
5557 	int idx;
5558 
5559 	mutex_lock(&qla_fw_lock);
5560 	for (idx = 0; idx < FW_BLOBS; idx++)
5561 		release_firmware(qla_fw_blobs[idx].fw);
5562 	mutex_unlock(&qla_fw_lock);
5563 }
5564 
5565 static pci_ers_result_t
5566 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5567 {
5568 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5569 	struct qla_hw_data *ha = vha->hw;
5570 
5571 	ql_dbg(ql_dbg_aer, vha, 0x9000,
5572 	    "PCI error detected, state %x.\n", state);
5573 
5574 	switch (state) {
5575 	case pci_channel_io_normal:
5576 		ha->flags.eeh_busy = 0;
5577 		return PCI_ERS_RESULT_CAN_RECOVER;
5578 	case pci_channel_io_frozen:
5579 		ha->flags.eeh_busy = 1;
5580 		/* For ISP82XX complete any pending mailbox cmd */
5581 		if (IS_QLA82XX(ha)) {
5582 			ha->flags.isp82xx_fw_hung = 1;
5583 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5584 			qla82xx_clear_pending_mbx(vha);
5585 		}
5586 		qla2x00_free_irqs(vha);
5587 		pci_disable_device(pdev);
5588 		/* Return back all IOs */
5589 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5590 		return PCI_ERS_RESULT_NEED_RESET;
5591 	case pci_channel_io_perm_failure:
5592 		ha->flags.pci_channel_io_perm_failure = 1;
5593 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5594 		return PCI_ERS_RESULT_DISCONNECT;
5595 	}
5596 	return PCI_ERS_RESULT_NEED_RESET;
5597 }
5598 
5599 static pci_ers_result_t
5600 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5601 {
5602 	int risc_paused = 0;
5603 	uint32_t stat;
5604 	unsigned long flags;
5605 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5606 	struct qla_hw_data *ha = base_vha->hw;
5607 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5608 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5609 
5610 	if (IS_QLA82XX(ha))
5611 		return PCI_ERS_RESULT_RECOVERED;
5612 
5613 	spin_lock_irqsave(&ha->hardware_lock, flags);
5614 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5615 		stat = RD_REG_DWORD(&reg->hccr);
5616 		if (stat & HCCR_RISC_PAUSE)
5617 			risc_paused = 1;
5618 	} else if (IS_QLA23XX(ha)) {
5619 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5620 		if (stat & HSR_RISC_PAUSED)
5621 			risc_paused = 1;
5622 	} else if (IS_FWI2_CAPABLE(ha)) {
5623 		stat = RD_REG_DWORD(&reg24->host_status);
5624 		if (stat & HSRX_RISC_PAUSED)
5625 			risc_paused = 1;
5626 	}
5627 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
5628 
5629 	if (risc_paused) {
5630 		ql_log(ql_log_info, base_vha, 0x9003,
5631 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
5632 		ha->isp_ops->fw_dump(base_vha, 0);
5633 
5634 		return PCI_ERS_RESULT_NEED_RESET;
5635 	} else
5636 		return PCI_ERS_RESULT_RECOVERED;
5637 }
5638 
5639 static uint32_t
5640 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5641 {
5642 	uint32_t rval = QLA_FUNCTION_FAILED;
5643 	uint32_t drv_active = 0;
5644 	struct qla_hw_data *ha = base_vha->hw;
5645 	int fn;
5646 	struct pci_dev *other_pdev = NULL;
5647 
5648 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5649 	    "Entered %s.\n", __func__);
5650 
5651 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5652 
5653 	if (base_vha->flags.online) {
5654 		/* Abort all outstanding commands,
5655 		 * so as to be requeued later */
5656 		qla2x00_abort_isp_cleanup(base_vha);
5657 	}
5658 
5659 
5660 	fn = PCI_FUNC(ha->pdev->devfn);
5661 	while (fn > 0) {
5662 		fn--;
5663 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5664 		    "Finding pci device at function = 0x%x.\n", fn);
5665 		other_pdev =
5666 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5667 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5668 		    fn));
5669 
5670 		if (!other_pdev)
5671 			continue;
5672 		if (atomic_read(&other_pdev->enable_cnt)) {
5673 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5674 			    "Found PCI func available and enable at 0x%x.\n",
5675 			    fn);
5676 			pci_dev_put(other_pdev);
5677 			break;
5678 		}
5679 		pci_dev_put(other_pdev);
5680 	}
5681 
5682 	if (!fn) {
5683 		/* Reset owner */
5684 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5685 		    "This devfn is reset owner = 0x%x.\n",
5686 		    ha->pdev->devfn);
5687 		qla82xx_idc_lock(ha);
5688 
5689 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5690 		    QLA8XXX_DEV_INITIALIZING);
5691 
5692 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5693 		    QLA82XX_IDC_VERSION);
5694 
5695 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5696 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5697 		    "drv_active = 0x%x.\n", drv_active);
5698 
5699 		qla82xx_idc_unlock(ha);
5700 		/* Reset if device is not already reset
5701 		 * drv_active would be 0 if a reset has already been done
5702 		 */
5703 		if (drv_active)
5704 			rval = qla82xx_start_firmware(base_vha);
5705 		else
5706 			rval = QLA_SUCCESS;
5707 		qla82xx_idc_lock(ha);
5708 
5709 		if (rval != QLA_SUCCESS) {
5710 			ql_log(ql_log_info, base_vha, 0x900b,
5711 			    "HW State: FAILED.\n");
5712 			qla82xx_clear_drv_active(ha);
5713 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5714 			    QLA8XXX_DEV_FAILED);
5715 		} else {
5716 			ql_log(ql_log_info, base_vha, 0x900c,
5717 			    "HW State: READY.\n");
5718 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5719 			    QLA8XXX_DEV_READY);
5720 			qla82xx_idc_unlock(ha);
5721 			ha->flags.isp82xx_fw_hung = 0;
5722 			rval = qla82xx_restart_isp(base_vha);
5723 			qla82xx_idc_lock(ha);
5724 			/* Clear driver state register */
5725 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5726 			qla82xx_set_drv_active(base_vha);
5727 		}
5728 		qla82xx_idc_unlock(ha);
5729 	} else {
5730 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5731 		    "This devfn is not reset owner = 0x%x.\n",
5732 		    ha->pdev->devfn);
5733 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5734 		    QLA8XXX_DEV_READY)) {
5735 			ha->flags.isp82xx_fw_hung = 0;
5736 			rval = qla82xx_restart_isp(base_vha);
5737 			qla82xx_idc_lock(ha);
5738 			qla82xx_set_drv_active(base_vha);
5739 			qla82xx_idc_unlock(ha);
5740 		}
5741 	}
5742 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5743 
5744 	return rval;
5745 }
5746 
5747 static pci_ers_result_t
5748 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5749 {
5750 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5751 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5752 	struct qla_hw_data *ha = base_vha->hw;
5753 	struct rsp_que *rsp;
5754 	int rc, retries = 10;
5755 
5756 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5757 	    "Slot Reset.\n");
5758 
5759 	/* Workaround: qla2xxx driver which access hardware earlier
5760 	 * needs error state to be pci_channel_io_online.
5761 	 * Otherwise mailbox command timesout.
5762 	 */
5763 	pdev->error_state = pci_channel_io_normal;
5764 
5765 	pci_restore_state(pdev);
5766 
5767 	/* pci_restore_state() clears the saved_state flag of the device
5768 	 * save restored state which resets saved_state flag
5769 	 */
5770 	pci_save_state(pdev);
5771 
5772 	if (ha->mem_only)
5773 		rc = pci_enable_device_mem(pdev);
5774 	else
5775 		rc = pci_enable_device(pdev);
5776 
5777 	if (rc) {
5778 		ql_log(ql_log_warn, base_vha, 0x9005,
5779 		    "Can't re-enable PCI device after reset.\n");
5780 		goto exit_slot_reset;
5781 	}
5782 
5783 	rsp = ha->rsp_q_map[0];
5784 	if (qla2x00_request_irqs(ha, rsp))
5785 		goto exit_slot_reset;
5786 
5787 	if (ha->isp_ops->pci_config(base_vha))
5788 		goto exit_slot_reset;
5789 
5790 	if (IS_QLA82XX(ha)) {
5791 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5792 			ret = PCI_ERS_RESULT_RECOVERED;
5793 			goto exit_slot_reset;
5794 		} else
5795 			goto exit_slot_reset;
5796 	}
5797 
5798 	while (ha->flags.mbox_busy && retries--)
5799 		msleep(1000);
5800 
5801 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5802 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5803 		ret =  PCI_ERS_RESULT_RECOVERED;
5804 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5805 
5806 
5807 exit_slot_reset:
5808 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5809 	    "slot_reset return %x.\n", ret);
5810 
5811 	return ret;
5812 }
5813 
5814 static void
5815 qla2xxx_pci_resume(struct pci_dev *pdev)
5816 {
5817 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5818 	struct qla_hw_data *ha = base_vha->hw;
5819 	int ret;
5820 
5821 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5822 	    "pci_resume.\n");
5823 
5824 	ret = qla2x00_wait_for_hba_online(base_vha);
5825 	if (ret != QLA_SUCCESS) {
5826 		ql_log(ql_log_fatal, base_vha, 0x9002,
5827 		    "The device failed to resume I/O from slot/link_reset.\n");
5828 	}
5829 
5830 	pci_cleanup_aer_uncorrect_error_status(pdev);
5831 
5832 	ha->flags.eeh_busy = 0;
5833 }
5834 
5835 static void
5836 qla83xx_disable_laser(scsi_qla_host_t *vha)
5837 {
5838 	uint32_t reg, data, fn;
5839 	struct qla_hw_data *ha = vha->hw;
5840 	struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5841 
5842 	/* pci func #/port # */
5843 	ql_dbg(ql_dbg_init, vha, 0x004b,
5844 	    "Disabling Laser for hba: %p\n", vha);
5845 
5846 	fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5847 		(BIT_15|BIT_14|BIT_13|BIT_12));
5848 
5849 	fn = (fn >> 12);
5850 
5851 	if (fn & 1)
5852 		reg = PORT_1_2031;
5853 	else
5854 		reg = PORT_0_2031;
5855 
5856 	data = LASER_OFF_2031;
5857 
5858 	qla83xx_wr_reg(vha, reg, data);
5859 }
5860 
5861 static const struct pci_error_handlers qla2xxx_err_handler = {
5862 	.error_detected = qla2xxx_pci_error_detected,
5863 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
5864 	.slot_reset = qla2xxx_pci_slot_reset,
5865 	.resume = qla2xxx_pci_resume,
5866 };
5867 
5868 static struct pci_device_id qla2xxx_pci_tbl[] = {
5869 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5870 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5871 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5872 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5873 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5874 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5875 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5876 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5877 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5878 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5879 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5880 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5881 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5882 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5883 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5884 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5885 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5886 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5887 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5888 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5889 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5890 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
5891 	{ 0 },
5892 };
5893 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5894 
5895 static struct pci_driver qla2xxx_pci_driver = {
5896 	.name		= QLA2XXX_DRIVER_NAME,
5897 	.driver		= {
5898 		.owner		= THIS_MODULE,
5899 	},
5900 	.id_table	= qla2xxx_pci_tbl,
5901 	.probe		= qla2x00_probe_one,
5902 	.remove		= qla2x00_remove_one,
5903 	.shutdown	= qla2x00_shutdown,
5904 	.err_handler	= &qla2xxx_err_handler,
5905 };
5906 
5907 static const struct file_operations apidev_fops = {
5908 	.owner = THIS_MODULE,
5909 	.llseek = noop_llseek,
5910 };
5911 
5912 /**
5913  * qla2x00_module_init - Module initialization.
5914  **/
5915 static int __init
5916 qla2x00_module_init(void)
5917 {
5918 	int ret = 0;
5919 
5920 	/* Allocate cache for SRBs. */
5921 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5922 	    SLAB_HWCACHE_ALIGN, NULL);
5923 	if (srb_cachep == NULL) {
5924 		ql_log(ql_log_fatal, NULL, 0x0001,
5925 		    "Unable to allocate SRB cache...Failing load!.\n");
5926 		return -ENOMEM;
5927 	}
5928 
5929 	/* Initialize target kmem_cache and mem_pools */
5930 	ret = qlt_init();
5931 	if (ret < 0) {
5932 		kmem_cache_destroy(srb_cachep);
5933 		return ret;
5934 	} else if (ret > 0) {
5935 		/*
5936 		 * If initiator mode is explictly disabled by qlt_init(),
5937 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5938 		 * performing scsi_scan_target() during LOOP UP event.
5939 		 */
5940 		qla2xxx_transport_functions.disable_target_scan = 1;
5941 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
5942 	}
5943 
5944 	/* Derive version string. */
5945 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5946 	if (ql2xextended_error_logging)
5947 		strcat(qla2x00_version_str, "-debug");
5948 
5949 	qla2xxx_transport_template =
5950 	    fc_attach_transport(&qla2xxx_transport_functions);
5951 	if (!qla2xxx_transport_template) {
5952 		kmem_cache_destroy(srb_cachep);
5953 		ql_log(ql_log_fatal, NULL, 0x0002,
5954 		    "fc_attach_transport failed...Failing load!.\n");
5955 		qlt_exit();
5956 		return -ENODEV;
5957 	}
5958 
5959 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5960 	if (apidev_major < 0) {
5961 		ql_log(ql_log_fatal, NULL, 0x0003,
5962 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5963 	}
5964 
5965 	qla2xxx_transport_vport_template =
5966 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
5967 	if (!qla2xxx_transport_vport_template) {
5968 		kmem_cache_destroy(srb_cachep);
5969 		qlt_exit();
5970 		fc_release_transport(qla2xxx_transport_template);
5971 		ql_log(ql_log_fatal, NULL, 0x0004,
5972 		    "fc_attach_transport vport failed...Failing load!.\n");
5973 		return -ENODEV;
5974 	}
5975 	ql_log(ql_log_info, NULL, 0x0005,
5976 	    "QLogic Fibre Channel HBA Driver: %s.\n",
5977 	    qla2x00_version_str);
5978 	ret = pci_register_driver(&qla2xxx_pci_driver);
5979 	if (ret) {
5980 		kmem_cache_destroy(srb_cachep);
5981 		qlt_exit();
5982 		fc_release_transport(qla2xxx_transport_template);
5983 		fc_release_transport(qla2xxx_transport_vport_template);
5984 		ql_log(ql_log_fatal, NULL, 0x0006,
5985 		    "pci_register_driver failed...ret=%d Failing load!.\n",
5986 		    ret);
5987 	}
5988 	return ret;
5989 }
5990 
5991 /**
5992  * qla2x00_module_exit - Module cleanup.
5993  **/
5994 static void __exit
5995 qla2x00_module_exit(void)
5996 {
5997 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5998 	pci_unregister_driver(&qla2xxx_pci_driver);
5999 	qla2x00_release_firmware();
6000 	kmem_cache_destroy(srb_cachep);
6001 	qlt_exit();
6002 	if (ctx_cachep)
6003 		kmem_cache_destroy(ctx_cachep);
6004 	fc_release_transport(qla2xxx_transport_template);
6005 	fc_release_transport(qla2xxx_transport_vport_template);
6006 }
6007 
6008 module_init(qla2x00_module_init);
6009 module_exit(qla2x00_module_exit);
6010 
6011 MODULE_AUTHOR("QLogic Corporation");
6012 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
6013 MODULE_LICENSE("GPL");
6014 MODULE_VERSION(QLA2XXX_VERSION);
6015 MODULE_FIRMWARE(FW_FILE_ISP21XX);
6016 MODULE_FIRMWARE(FW_FILE_ISP22XX);
6017 MODULE_FIRMWARE(FW_FILE_ISP2300);
6018 MODULE_FIRMWARE(FW_FILE_ISP2322);
6019 MODULE_FIRMWARE(FW_FILE_ISP24XX);
6020 MODULE_FIRMWARE(FW_FILE_ISP25XX);
6021