xref: /linux/drivers/scsi/qla2xxx/qla_os.c (revision dd093fb0)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 
8 #include <linux/moduleparam.h>
9 #include <linux/vmalloc.h>
10 #include <linux/delay.h>
11 #include <linux/kthread.h>
12 #include <linux/mutex.h>
13 #include <linux/kobject.h>
14 #include <linux/slab.h>
15 #include <linux/blk-mq-pci.h>
16 #include <linux/refcount.h>
17 #include <linux/crash_dump.h>
18 #include <linux/trace_events.h>
19 #include <linux/trace.h>
20 
21 #include <scsi/scsi_tcq.h>
22 #include <scsi/scsicam.h>
23 #include <scsi/scsi_transport.h>
24 #include <scsi/scsi_transport_fc.h>
25 
26 #include "qla_target.h"
27 
28 /*
29  * Driver version
30  */
31 char qla2x00_version_str[40];
32 
33 static int apidev_major;
34 
35 /*
36  * SRB allocation cache
37  */
38 struct kmem_cache *srb_cachep;
39 
40 static struct trace_array *qla_trc_array;
41 
42 int ql2xfulldump_on_mpifail;
43 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
44 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
45 		 "Set this to take full dump on MPI hang.");
46 
47 int ql2xenforce_iocb_limit = 1;
48 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
49 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
50 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 1)");
51 
52 /*
53  * CT6 CTX allocation cache
54  */
55 static struct kmem_cache *ctx_cachep;
56 /*
57  * error level for logging
58  */
59 uint ql_errlev = 0x8001;
60 
61 int ql2xsecenable;
62 module_param(ql2xsecenable, int, S_IRUGO);
63 MODULE_PARM_DESC(ql2xsecenable,
64 	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
65 
66 static int ql2xenableclass2;
67 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
68 MODULE_PARM_DESC(ql2xenableclass2,
69 		"Specify if Class 2 operations are supported from the very "
70 		"beginning. Default is 0 - class 2 not supported.");
71 
72 
73 int ql2xlogintimeout = 20;
74 module_param(ql2xlogintimeout, int, S_IRUGO);
75 MODULE_PARM_DESC(ql2xlogintimeout,
76 		"Login timeout value in seconds.");
77 
78 int qlport_down_retry;
79 module_param(qlport_down_retry, int, S_IRUGO);
80 MODULE_PARM_DESC(qlport_down_retry,
81 		"Maximum number of command retries to a port that returns "
82 		"a PORT-DOWN status.");
83 
84 int ql2xplogiabsentdevice;
85 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
86 MODULE_PARM_DESC(ql2xplogiabsentdevice,
87 		"Option to enable PLOGI to devices that are not present after "
88 		"a Fabric scan.  This is needed for several broken switches. "
89 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
90 
91 int ql2xloginretrycount;
92 module_param(ql2xloginretrycount, int, S_IRUGO);
93 MODULE_PARM_DESC(ql2xloginretrycount,
94 		"Specify an alternate value for the NVRAM login retry count.");
95 
96 int ql2xallocfwdump = 1;
97 module_param(ql2xallocfwdump, int, S_IRUGO);
98 MODULE_PARM_DESC(ql2xallocfwdump,
99 		"Option to enable allocation of memory for a firmware dump "
100 		"during HBA initialization.  Memory allocation requirements "
101 		"vary by ISP type.  Default is 1 - allocate memory.");
102 
103 int ql2xextended_error_logging;
104 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
105 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
106 MODULE_PARM_DESC(ql2xextended_error_logging,
107 		"Option to enable extended error logging,\n"
108 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
109 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
110 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
111 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
112 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
113 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
114 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
115 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
116 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
117 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
118 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
119 		"\t\t0x1e400000 - Preferred value for capturing essential "
120 		"debug information (equivalent to old "
121 		"ql2xextended_error_logging=1).\n"
122 		"\t\tDo LOGICAL OR of the value to enable more than one level");
123 
124 int ql2xextended_error_logging_ktrace = 1;
125 module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
126 MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
127 		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
128 
129 int ql2xshiftctondsd = 6;
130 module_param(ql2xshiftctondsd, int, S_IRUGO);
131 MODULE_PARM_DESC(ql2xshiftctondsd,
132 		"Set to control shifting of command type processing "
133 		"based on total number of SG elements.");
134 
135 int ql2xfdmienable = 1;
136 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
137 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
138 MODULE_PARM_DESC(ql2xfdmienable,
139 		"Enables FDMI registrations. "
140 		"0 - no FDMI registrations. "
141 		"1 - provide FDMI registrations (default).");
142 
143 #define MAX_Q_DEPTH	64
144 static int ql2xmaxqdepth = MAX_Q_DEPTH;
145 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
146 MODULE_PARM_DESC(ql2xmaxqdepth,
147 		"Maximum queue depth to set for each LUN. "
148 		"Default is 64.");
149 
150 int ql2xenabledif = 2;
151 module_param(ql2xenabledif, int, S_IRUGO);
152 MODULE_PARM_DESC(ql2xenabledif,
153 		" Enable T10-CRC-DIF:\n"
154 		" Default is 2.\n"
155 		"  0 -- No DIF Support\n"
156 		"  1 -- Enable DIF for all types\n"
157 		"  2 -- Enable DIF for all types, except Type 0.\n");
158 
159 #if (IS_ENABLED(CONFIG_NVME_FC))
160 int ql2xnvmeenable = 1;
161 #else
162 int ql2xnvmeenable;
163 #endif
164 module_param(ql2xnvmeenable, int, 0644);
165 MODULE_PARM_DESC(ql2xnvmeenable,
166     "Enables NVME support. "
167     "0 - no NVMe.  Default is Y");
168 
169 int ql2xenablehba_err_chk = 2;
170 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
171 MODULE_PARM_DESC(ql2xenablehba_err_chk,
172 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
173 		" Default is 2.\n"
174 		"  0 -- Error isolation disabled\n"
175 		"  1 -- Error isolation enabled only for DIX Type 0\n"
176 		"  2 -- Error isolation enabled for all Types\n");
177 
178 int ql2xiidmaenable = 1;
179 module_param(ql2xiidmaenable, int, S_IRUGO);
180 MODULE_PARM_DESC(ql2xiidmaenable,
181 		"Enables iIDMA settings "
182 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
183 
184 int ql2xmqsupport = 1;
185 module_param(ql2xmqsupport, int, S_IRUGO);
186 MODULE_PARM_DESC(ql2xmqsupport,
187 		"Enable on demand multiple queue pairs support "
188 		"Default is 1 for supported. "
189 		"Set it to 0 to turn off mq qpair support.");
190 
191 int ql2xfwloadbin;
192 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
193 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
194 MODULE_PARM_DESC(ql2xfwloadbin,
195 		"Option to specify location from which to load ISP firmware:.\n"
196 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
197 		"      interface.\n"
198 		" 1 -- load firmware from flash.\n"
199 		" 0 -- use default semantics.\n");
200 
201 int ql2xetsenable;
202 module_param(ql2xetsenable, int, S_IRUGO);
203 MODULE_PARM_DESC(ql2xetsenable,
204 		"Enables firmware ETS burst."
205 		"Default is 0 - skip ETS enablement.");
206 
207 int ql2xdbwr = 1;
208 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
209 MODULE_PARM_DESC(ql2xdbwr,
210 		"Option to specify scheme for request queue posting.\n"
211 		" 0 -- Regular doorbell.\n"
212 		" 1 -- CAMRAM doorbell (faster).\n");
213 
214 int ql2xgffidenable;
215 module_param(ql2xgffidenable, int, S_IRUGO);
216 MODULE_PARM_DESC(ql2xgffidenable,
217 		"Enables GFF_ID checks of port type. "
218 		"Default is 0 - Do not use GFF_ID information.");
219 
220 int ql2xasynctmfenable = 1;
221 module_param(ql2xasynctmfenable, int, S_IRUGO);
222 MODULE_PARM_DESC(ql2xasynctmfenable,
223 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
224 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
225 
226 int ql2xdontresethba;
227 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
228 MODULE_PARM_DESC(ql2xdontresethba,
229 		"Option to specify reset behaviour.\n"
230 		" 0 (Default) -- Reset on failure.\n"
231 		" 1 -- Do not reset on failure.\n");
232 
233 uint64_t ql2xmaxlun = MAX_LUNS;
234 module_param(ql2xmaxlun, ullong, S_IRUGO);
235 MODULE_PARM_DESC(ql2xmaxlun,
236 		"Defines the maximum LU number to register with the SCSI "
237 		"midlayer. Default is 65535.");
238 
239 int ql2xmdcapmask = 0x1F;
240 module_param(ql2xmdcapmask, int, S_IRUGO);
241 MODULE_PARM_DESC(ql2xmdcapmask,
242 		"Set the Minidump driver capture mask level. "
243 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
244 
245 int ql2xmdenable = 1;
246 module_param(ql2xmdenable, int, S_IRUGO);
247 MODULE_PARM_DESC(ql2xmdenable,
248 		"Enable/disable MiniDump. "
249 		"0 - MiniDump disabled. "
250 		"1 (Default) - MiniDump enabled.");
251 
252 int ql2xexlogins;
253 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
254 MODULE_PARM_DESC(ql2xexlogins,
255 		 "Number of extended Logins. "
256 		 "0 (Default)- Disabled.");
257 
258 int ql2xexchoffld = 1024;
259 module_param(ql2xexchoffld, uint, 0644);
260 MODULE_PARM_DESC(ql2xexchoffld,
261 	"Number of target exchanges.");
262 
263 int ql2xiniexchg = 1024;
264 module_param(ql2xiniexchg, uint, 0644);
265 MODULE_PARM_DESC(ql2xiniexchg,
266 	"Number of initiator exchanges.");
267 
268 int ql2xfwholdabts;
269 module_param(ql2xfwholdabts, int, S_IRUGO);
270 MODULE_PARM_DESC(ql2xfwholdabts,
271 		"Allow FW to hold status IOCB until ABTS rsp received. "
272 		"0 (Default) Do not set fw option. "
273 		"1 - Set fw option to hold ABTS.");
274 
275 int ql2xmvasynctoatio = 1;
276 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
277 MODULE_PARM_DESC(ql2xmvasynctoatio,
278 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
279 		"0 (Default). Do not move IOCBs"
280 		"1 - Move IOCBs.");
281 
282 int ql2xautodetectsfp = 1;
283 module_param(ql2xautodetectsfp, int, 0444);
284 MODULE_PARM_DESC(ql2xautodetectsfp,
285 		 "Detect SFP range and set appropriate distance.\n"
286 		 "1 (Default): Enable\n");
287 
288 int ql2xenablemsix = 1;
289 module_param(ql2xenablemsix, int, 0444);
290 MODULE_PARM_DESC(ql2xenablemsix,
291 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
292 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
293 		 " 0 -- enable traditional pin-based mechanism.\n"
294 		 " 1 -- enable MSI-X interrupt mechanism.\n"
295 		 " 2 -- enable MSI interrupt mechanism.\n");
296 
297 int qla2xuseresexchforels;
298 module_param(qla2xuseresexchforels, int, 0444);
299 MODULE_PARM_DESC(qla2xuseresexchforels,
300 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
301 		 " 0 (default): disabled");
302 
303 static int ql2xprotmask;
304 module_param(ql2xprotmask, int, 0644);
305 MODULE_PARM_DESC(ql2xprotmask,
306 		 "Override DIF/DIX protection capabilities mask\n"
307 		 "Default is 0 which sets protection mask based on "
308 		 "capabilities reported by HBA firmware.\n");
309 
310 static int ql2xprotguard;
311 module_param(ql2xprotguard, int, 0644);
312 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
313 		 "  0 -- Let HBA firmware decide\n"
314 		 "  1 -- Force T10 CRC\n"
315 		 "  2 -- Force IP checksum\n");
316 
317 int ql2xdifbundlinginternalbuffers;
318 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
319 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
320     "Force using internal buffers for DIF information\n"
321     "0 (Default). Based on check.\n"
322     "1 Force using internal buffers\n");
323 
324 int ql2xsmartsan;
325 module_param(ql2xsmartsan, int, 0444);
326 module_param_named(smartsan, ql2xsmartsan, int, 0444);
327 MODULE_PARM_DESC(ql2xsmartsan,
328 		"Send SmartSAN Management Attributes for FDMI Registration."
329 		" Default is 0 - No SmartSAN registration,"
330 		" 1 - Register SmartSAN Management Attributes.");
331 
332 int ql2xrdpenable;
333 module_param(ql2xrdpenable, int, 0444);
334 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
335 MODULE_PARM_DESC(ql2xrdpenable,
336 		"Enables RDP responses. "
337 		"0 - no RDP responses (default). "
338 		"1 - provide RDP responses.");
339 int ql2xabts_wait_nvme = 1;
340 module_param(ql2xabts_wait_nvme, int, 0444);
341 MODULE_PARM_DESC(ql2xabts_wait_nvme,
342 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
343 
344 
345 static u32 ql2xdelay_before_pci_error_handling = 5;
346 module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
347 MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
348 	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
349 
350 static void qla2x00_clear_drv_active(struct qla_hw_data *);
351 static void qla2x00_free_device(scsi_qla_host_t *);
352 static void qla2xxx_map_queues(struct Scsi_Host *shost);
353 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
354 
355 u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
356 module_param(ql2xnvme_queues, uint, S_IRUGO);
357 MODULE_PARM_DESC(ql2xnvme_queues,
358 	"Number of NVMe Queues that can be configured.\n"
359 	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
360 	"1 - Minimum number of queues supported\n"
361 	"8 - Default value");
362 
363 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
364 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
365 
366 /* TODO Convert to inlines
367  *
368  * Timer routines
369  */
370 
371 __inline__ void
372 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
373 {
374 	timer_setup(&vha->timer, qla2x00_timer, 0);
375 	vha->timer.expires = jiffies + interval * HZ;
376 	add_timer(&vha->timer);
377 	vha->timer_active = 1;
378 }
379 
380 static inline void
381 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
382 {
383 	/* Currently used for 82XX only. */
384 	if (vha->device_flags & DFLG_DEV_FAILED) {
385 		ql_dbg(ql_dbg_timer, vha, 0x600d,
386 		    "Device in a failed state, returning.\n");
387 		return;
388 	}
389 
390 	mod_timer(&vha->timer, jiffies + interval * HZ);
391 }
392 
393 static __inline__ void
394 qla2x00_stop_timer(scsi_qla_host_t *vha)
395 {
396 	del_timer_sync(&vha->timer);
397 	vha->timer_active = 0;
398 }
399 
400 static int qla2x00_do_dpc(void *data);
401 
402 static void qla2x00_rst_aen(scsi_qla_host_t *);
403 
404 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
405 	struct req_que **, struct rsp_que **);
406 static void qla2x00_free_fw_dump(struct qla_hw_data *);
407 static void qla2x00_mem_free(struct qla_hw_data *);
408 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
409 	struct qla_qpair *qpair);
410 
411 /* -------------------------------------------------------------------------- */
412 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
413     struct rsp_que *rsp)
414 {
415 	struct qla_hw_data *ha = vha->hw;
416 
417 	rsp->qpair = ha->base_qpair;
418 	rsp->req = req;
419 	ha->base_qpair->hw = ha;
420 	ha->base_qpair->req = req;
421 	ha->base_qpair->rsp = rsp;
422 	ha->base_qpair->vha = vha;
423 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
424 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
425 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
426 	ha->base_qpair->srb_mempool = ha->srb_mempool;
427 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
428 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
429 	/* init qpair to this cpu. Will adjust at run time. */
430 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
431 	ha->base_qpair->pdev = ha->pdev;
432 
433 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
434 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
435 }
436 
437 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
438 				struct rsp_que *rsp)
439 {
440 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
441 
442 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
443 				GFP_KERNEL);
444 	if (!ha->req_q_map) {
445 		ql_log(ql_log_fatal, vha, 0x003b,
446 		    "Unable to allocate memory for request queue ptrs.\n");
447 		goto fail_req_map;
448 	}
449 
450 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
451 				GFP_KERNEL);
452 	if (!ha->rsp_q_map) {
453 		ql_log(ql_log_fatal, vha, 0x003c,
454 		    "Unable to allocate memory for response queue ptrs.\n");
455 		goto fail_rsp_map;
456 	}
457 
458 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
459 	if (ha->base_qpair == NULL) {
460 		ql_log(ql_log_warn, vha, 0x00e0,
461 		    "Failed to allocate base queue pair memory.\n");
462 		goto fail_base_qpair;
463 	}
464 
465 	qla_init_base_qpair(vha, req, rsp);
466 
467 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
468 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
469 			GFP_KERNEL);
470 		if (!ha->queue_pair_map) {
471 			ql_log(ql_log_fatal, vha, 0x0180,
472 			    "Unable to allocate memory for queue pair ptrs.\n");
473 			goto fail_qpair_map;
474 		}
475 	}
476 
477 	/*
478 	 * Make sure we record at least the request and response queue zero in
479 	 * case we need to free them if part of the probe fails.
480 	 */
481 	ha->rsp_q_map[0] = rsp;
482 	ha->req_q_map[0] = req;
483 	set_bit(0, ha->rsp_qid_map);
484 	set_bit(0, ha->req_qid_map);
485 	return 0;
486 
487 fail_qpair_map:
488 	kfree(ha->base_qpair);
489 	ha->base_qpair = NULL;
490 fail_base_qpair:
491 	kfree(ha->rsp_q_map);
492 	ha->rsp_q_map = NULL;
493 fail_rsp_map:
494 	kfree(ha->req_q_map);
495 	ha->req_q_map = NULL;
496 fail_req_map:
497 	return -ENOMEM;
498 }
499 
500 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
501 {
502 	if (IS_QLAFX00(ha)) {
503 		if (req && req->ring_fx00)
504 			dma_free_coherent(&ha->pdev->dev,
505 			    (req->length_fx00 + 1) * sizeof(request_t),
506 			    req->ring_fx00, req->dma_fx00);
507 	} else if (req && req->ring)
508 		dma_free_coherent(&ha->pdev->dev,
509 		(req->length + 1) * sizeof(request_t),
510 		req->ring, req->dma);
511 
512 	if (req)
513 		kfree(req->outstanding_cmds);
514 
515 	kfree(req);
516 }
517 
518 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
519 {
520 	if (IS_QLAFX00(ha)) {
521 		if (rsp && rsp->ring_fx00)
522 			dma_free_coherent(&ha->pdev->dev,
523 			    (rsp->length_fx00 + 1) * sizeof(request_t),
524 			    rsp->ring_fx00, rsp->dma_fx00);
525 	} else if (rsp && rsp->ring) {
526 		dma_free_coherent(&ha->pdev->dev,
527 		(rsp->length + 1) * sizeof(response_t),
528 		rsp->ring, rsp->dma);
529 	}
530 	kfree(rsp);
531 }
532 
533 static void qla2x00_free_queues(struct qla_hw_data *ha)
534 {
535 	struct req_que *req;
536 	struct rsp_que *rsp;
537 	int cnt;
538 	unsigned long flags;
539 
540 	if (ha->queue_pair_map) {
541 		kfree(ha->queue_pair_map);
542 		ha->queue_pair_map = NULL;
543 	}
544 	if (ha->base_qpair) {
545 		kfree(ha->base_qpair);
546 		ha->base_qpair = NULL;
547 	}
548 
549 	spin_lock_irqsave(&ha->hardware_lock, flags);
550 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
551 		if (!test_bit(cnt, ha->req_qid_map))
552 			continue;
553 
554 		req = ha->req_q_map[cnt];
555 		clear_bit(cnt, ha->req_qid_map);
556 		ha->req_q_map[cnt] = NULL;
557 
558 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
559 		qla2x00_free_req_que(ha, req);
560 		spin_lock_irqsave(&ha->hardware_lock, flags);
561 	}
562 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
563 
564 	kfree(ha->req_q_map);
565 	ha->req_q_map = NULL;
566 
567 
568 	spin_lock_irqsave(&ha->hardware_lock, flags);
569 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
570 		if (!test_bit(cnt, ha->rsp_qid_map))
571 			continue;
572 
573 		rsp = ha->rsp_q_map[cnt];
574 		clear_bit(cnt, ha->rsp_qid_map);
575 		ha->rsp_q_map[cnt] =  NULL;
576 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
577 		qla2x00_free_rsp_que(ha, rsp);
578 		spin_lock_irqsave(&ha->hardware_lock, flags);
579 	}
580 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
581 
582 	kfree(ha->rsp_q_map);
583 	ha->rsp_q_map = NULL;
584 }
585 
586 static char *
587 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
588 {
589 	struct qla_hw_data *ha = vha->hw;
590 	static const char *const pci_bus_modes[] = {
591 		"33", "66", "100", "133",
592 	};
593 	uint16_t pci_bus;
594 
595 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
596 	if (pci_bus) {
597 		snprintf(str, str_len, "PCI-X (%s MHz)",
598 			 pci_bus_modes[pci_bus]);
599 	} else {
600 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
601 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
602 	}
603 
604 	return str;
605 }
606 
607 static char *
608 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
609 {
610 	static const char *const pci_bus_modes[] = {
611 		"33", "66", "100", "133",
612 	};
613 	struct qla_hw_data *ha = vha->hw;
614 	uint32_t pci_bus;
615 
616 	if (pci_is_pcie(ha->pdev)) {
617 		uint32_t lstat, lspeed, lwidth;
618 		const char *speed_str;
619 
620 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
621 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
622 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
623 
624 		switch (lspeed) {
625 		case 1:
626 			speed_str = "2.5GT/s";
627 			break;
628 		case 2:
629 			speed_str = "5.0GT/s";
630 			break;
631 		case 3:
632 			speed_str = "8.0GT/s";
633 			break;
634 		case 4:
635 			speed_str = "16.0GT/s";
636 			break;
637 		default:
638 			speed_str = "<unknown>";
639 			break;
640 		}
641 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
642 
643 		return str;
644 	}
645 
646 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
647 	if (pci_bus == 0 || pci_bus == 8)
648 		snprintf(str, str_len, "PCI (%s MHz)",
649 			 pci_bus_modes[pci_bus >> 3]);
650 	else
651 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
652 			 pci_bus & 4 ? 2 : 1,
653 			 pci_bus_modes[pci_bus & 3]);
654 
655 	return str;
656 }
657 
658 static char *
659 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
660 {
661 	char un_str[10];
662 	struct qla_hw_data *ha = vha->hw;
663 
664 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
665 	    ha->fw_minor_version, ha->fw_subminor_version);
666 
667 	if (ha->fw_attributes & BIT_9) {
668 		strcat(str, "FLX");
669 		return (str);
670 	}
671 
672 	switch (ha->fw_attributes & 0xFF) {
673 	case 0x7:
674 		strcat(str, "EF");
675 		break;
676 	case 0x17:
677 		strcat(str, "TP");
678 		break;
679 	case 0x37:
680 		strcat(str, "IP");
681 		break;
682 	case 0x77:
683 		strcat(str, "VI");
684 		break;
685 	default:
686 		sprintf(un_str, "(%x)", ha->fw_attributes);
687 		strcat(str, un_str);
688 		break;
689 	}
690 	if (ha->fw_attributes & 0x100)
691 		strcat(str, "X");
692 
693 	return (str);
694 }
695 
696 static char *
697 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
698 {
699 	struct qla_hw_data *ha = vha->hw;
700 
701 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
702 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
703 	return str;
704 }
705 
706 void qla2x00_sp_free_dma(srb_t *sp)
707 {
708 	struct qla_hw_data *ha = sp->vha->hw;
709 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
710 
711 	if (sp->flags & SRB_DMA_VALID) {
712 		scsi_dma_unmap(cmd);
713 		sp->flags &= ~SRB_DMA_VALID;
714 	}
715 
716 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
717 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
718 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
719 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
720 	}
721 
722 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
723 		/* List assured to be having elements */
724 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
725 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
726 	}
727 
728 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
729 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
730 
731 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
732 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
733 	}
734 
735 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
736 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
737 
738 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
739 		    ctx1->fcp_cmnd_dma);
740 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
741 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
742 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
743 		mempool_free(ctx1, ha->ctx_mempool);
744 	}
745 }
746 
747 void qla2x00_sp_compl(srb_t *sp, int res)
748 {
749 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
750 	struct completion *comp = sp->comp;
751 
752 	/* kref: INIT */
753 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
754 	cmd->result = res;
755 	sp->type = 0;
756 	scsi_done(cmd);
757 	if (comp)
758 		complete(comp);
759 }
760 
761 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
762 {
763 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
764 	struct qla_hw_data *ha = sp->fcport->vha->hw;
765 
766 	if (sp->flags & SRB_DMA_VALID) {
767 		scsi_dma_unmap(cmd);
768 		sp->flags &= ~SRB_DMA_VALID;
769 	}
770 
771 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
772 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
773 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
774 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
775 	}
776 
777 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
778 		/* List assured to be having elements */
779 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
780 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
781 	}
782 
783 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
784 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
785 		struct dsd_dma *dif_dsd, *nxt_dsd;
786 
787 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
788 		    &difctx->ldif_dma_hndl_list, list) {
789 			list_del(&dif_dsd->list);
790 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
791 			    dif_dsd->dsd_list_dma);
792 			kfree(dif_dsd);
793 			difctx->no_dif_bundl--;
794 		}
795 
796 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
797 		    &difctx->ldif_dsd_list, list) {
798 			list_del(&dif_dsd->list);
799 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
800 			    dif_dsd->dsd_list_dma);
801 			kfree(dif_dsd);
802 			difctx->no_ldif_dsd--;
803 		}
804 
805 		if (difctx->no_ldif_dsd) {
806 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
807 			    "%s: difctx->no_ldif_dsd=%x\n",
808 			    __func__, difctx->no_ldif_dsd);
809 		}
810 
811 		if (difctx->no_dif_bundl) {
812 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
813 			    "%s: difctx->no_dif_bundl=%x\n",
814 			    __func__, difctx->no_dif_bundl);
815 		}
816 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
817 	}
818 
819 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
820 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
821 
822 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
823 		    ctx1->fcp_cmnd_dma);
824 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
825 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
826 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
827 		mempool_free(ctx1, ha->ctx_mempool);
828 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
829 	}
830 
831 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
832 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
833 
834 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
835 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
836 	}
837 }
838 
839 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
840 {
841 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
842 	struct completion *comp = sp->comp;
843 
844 	/* ref: INIT */
845 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
846 	cmd->result = res;
847 	sp->type = 0;
848 	scsi_done(cmd);
849 	if (comp)
850 		complete(comp);
851 }
852 
853 static int
854 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
855 {
856 	scsi_qla_host_t *vha = shost_priv(host);
857 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
858 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
859 	struct qla_hw_data *ha = vha->hw;
860 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
861 	srb_t *sp;
862 	int rval;
863 
864 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
865 	    WARN_ON_ONCE(!rport)) {
866 		cmd->result = DID_NO_CONNECT << 16;
867 		goto qc24_fail_command;
868 	}
869 
870 	if (ha->mqenable) {
871 		uint32_t tag;
872 		uint16_t hwq;
873 		struct qla_qpair *qpair = NULL;
874 
875 		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
876 		hwq = blk_mq_unique_tag_to_hwq(tag);
877 		qpair = ha->queue_pair_map[hwq];
878 
879 		if (qpair)
880 			return qla2xxx_mqueuecommand(host, cmd, qpair);
881 	}
882 
883 	if (ha->flags.eeh_busy) {
884 		if (ha->flags.pci_channel_io_perm_failure) {
885 			ql_dbg(ql_dbg_aer, vha, 0x9010,
886 			    "PCI Channel IO permanent failure, exiting "
887 			    "cmd=%p.\n", cmd);
888 			cmd->result = DID_NO_CONNECT << 16;
889 		} else {
890 			ql_dbg(ql_dbg_aer, vha, 0x9011,
891 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
892 			cmd->result = DID_REQUEUE << 16;
893 		}
894 		goto qc24_fail_command;
895 	}
896 
897 	rval = fc_remote_port_chkready(rport);
898 	if (rval) {
899 		cmd->result = rval;
900 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
901 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
902 		    cmd, rval);
903 		goto qc24_fail_command;
904 	}
905 
906 	if (!vha->flags.difdix_supported &&
907 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
908 			ql_dbg(ql_dbg_io, vha, 0x3004,
909 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
910 			    cmd);
911 			cmd->result = DID_NO_CONNECT << 16;
912 			goto qc24_fail_command;
913 	}
914 
915 	if (!fcport || fcport->deleted) {
916 		cmd->result = DID_IMM_RETRY << 16;
917 		goto qc24_fail_command;
918 	}
919 
920 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
921 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
922 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
923 			ql_dbg(ql_dbg_io, vha, 0x3005,
924 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
925 			    atomic_read(&fcport->state),
926 			    atomic_read(&base_vha->loop_state));
927 			cmd->result = DID_NO_CONNECT << 16;
928 			goto qc24_fail_command;
929 		}
930 		goto qc24_target_busy;
931 	}
932 
933 	/*
934 	 * Return target busy if we've received a non-zero retry_delay_timer
935 	 * in a FCP_RSP.
936 	 */
937 	if (fcport->retry_delay_timestamp == 0) {
938 		/* retry delay not set */
939 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
940 		fcport->retry_delay_timestamp = 0;
941 	else
942 		goto qc24_target_busy;
943 
944 	sp = scsi_cmd_priv(cmd);
945 	/* ref: INIT */
946 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
947 
948 	sp->u.scmd.cmd = cmd;
949 	sp->type = SRB_SCSI_CMD;
950 	sp->free = qla2x00_sp_free_dma;
951 	sp->done = qla2x00_sp_compl;
952 
953 	rval = ha->isp_ops->start_scsi(sp);
954 	if (rval != QLA_SUCCESS) {
955 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
956 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
957 		goto qc24_host_busy_free_sp;
958 	}
959 
960 	return 0;
961 
962 qc24_host_busy_free_sp:
963 	/* ref: INIT */
964 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
965 
966 qc24_target_busy:
967 	return SCSI_MLQUEUE_TARGET_BUSY;
968 
969 qc24_fail_command:
970 	scsi_done(cmd);
971 
972 	return 0;
973 }
974 
975 /* For MQ supported I/O */
976 int
977 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
978     struct qla_qpair *qpair)
979 {
980 	scsi_qla_host_t *vha = shost_priv(host);
981 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
982 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
983 	struct qla_hw_data *ha = vha->hw;
984 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
985 	srb_t *sp;
986 	int rval;
987 
988 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
989 	if (rval) {
990 		cmd->result = rval;
991 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
992 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
993 		    cmd, rval);
994 		goto qc24_fail_command;
995 	}
996 
997 	if (!qpair->online) {
998 		ql_dbg(ql_dbg_io, vha, 0x3077,
999 		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1000 		cmd->result = DID_NO_CONNECT << 16;
1001 		goto qc24_fail_command;
1002 	}
1003 
1004 	if (!fcport || fcport->deleted) {
1005 		cmd->result = DID_IMM_RETRY << 16;
1006 		goto qc24_fail_command;
1007 	}
1008 
1009 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1010 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1011 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1012 			ql_dbg(ql_dbg_io, vha, 0x3077,
1013 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1014 			    atomic_read(&fcport->state),
1015 			    atomic_read(&base_vha->loop_state));
1016 			cmd->result = DID_NO_CONNECT << 16;
1017 			goto qc24_fail_command;
1018 		}
1019 		goto qc24_target_busy;
1020 	}
1021 
1022 	/*
1023 	 * Return target busy if we've received a non-zero retry_delay_timer
1024 	 * in a FCP_RSP.
1025 	 */
1026 	if (fcport->retry_delay_timestamp == 0) {
1027 		/* retry delay not set */
1028 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1029 		fcport->retry_delay_timestamp = 0;
1030 	else
1031 		goto qc24_target_busy;
1032 
1033 	sp = scsi_cmd_priv(cmd);
1034 	/* ref: INIT */
1035 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1036 
1037 	sp->u.scmd.cmd = cmd;
1038 	sp->type = SRB_SCSI_CMD;
1039 	sp->free = qla2xxx_qpair_sp_free_dma;
1040 	sp->done = qla2xxx_qpair_sp_compl;
1041 
1042 	rval = ha->isp_ops->start_scsi_mq(sp);
1043 	if (rval != QLA_SUCCESS) {
1044 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1045 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1046 		goto qc24_host_busy_free_sp;
1047 	}
1048 
1049 	return 0;
1050 
1051 qc24_host_busy_free_sp:
1052 	/* ref: INIT */
1053 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1054 
1055 qc24_target_busy:
1056 	return SCSI_MLQUEUE_TARGET_BUSY;
1057 
1058 qc24_fail_command:
1059 	scsi_done(cmd);
1060 
1061 	return 0;
1062 }
1063 
1064 /*
1065  * qla2x00_eh_wait_on_command
1066  *    Waits for the command to be returned by the Firmware for some
1067  *    max time.
1068  *
1069  * Input:
1070  *    cmd = Scsi Command to wait on.
1071  *
1072  * Return:
1073  *    Completed in time : QLA_SUCCESS
1074  *    Did not complete in time : QLA_FUNCTION_FAILED
1075  */
1076 static int
1077 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1078 {
1079 #define ABORT_POLLING_PERIOD	1000
1080 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1081 	unsigned long wait_iter = ABORT_WAIT_ITER;
1082 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1083 	struct qla_hw_data *ha = vha->hw;
1084 	srb_t *sp = scsi_cmd_priv(cmd);
1085 	int ret = QLA_SUCCESS;
1086 
1087 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1088 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1089 		    "Return:eh_wait.\n");
1090 		return ret;
1091 	}
1092 
1093 	while (sp->type && wait_iter--)
1094 		msleep(ABORT_POLLING_PERIOD);
1095 	if (sp->type)
1096 		ret = QLA_FUNCTION_FAILED;
1097 
1098 	return ret;
1099 }
1100 
1101 /*
1102  * qla2x00_wait_for_hba_online
1103  *    Wait till the HBA is online after going through
1104  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1105  *    finally HBA is disabled ie marked offline
1106  *
1107  * Input:
1108  *     ha - pointer to host adapter structure
1109  *
1110  * Note:
1111  *    Does context switching-Release SPIN_LOCK
1112  *    (if any) before calling this routine.
1113  *
1114  * Return:
1115  *    Success (Adapter is online) : 0
1116  *    Failed  (Adapter is offline/disabled) : 1
1117  */
1118 int
1119 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1120 {
1121 	int		return_status;
1122 	unsigned long	wait_online;
1123 	struct qla_hw_data *ha = vha->hw;
1124 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1125 
1126 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1127 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1128 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1129 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1130 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1131 
1132 		msleep(1000);
1133 	}
1134 	if (base_vha->flags.online)
1135 		return_status = QLA_SUCCESS;
1136 	else
1137 		return_status = QLA_FUNCTION_FAILED;
1138 
1139 	return (return_status);
1140 }
1141 
1142 static inline int test_fcport_count(scsi_qla_host_t *vha)
1143 {
1144 	struct qla_hw_data *ha = vha->hw;
1145 	unsigned long flags;
1146 	int res;
1147 	/* Return 0 = sleep, x=wake */
1148 
1149 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1150 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1151 	    "tgt %p, fcport_count=%d\n",
1152 	    vha, vha->fcport_count);
1153 	res = (vha->fcport_count == 0);
1154 	if  (res) {
1155 		struct fc_port *fcport;
1156 
1157 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1158 			if (fcport->deleted != QLA_SESS_DELETED) {
1159 				/* session(s) may not be fully logged in
1160 				 * (ie fcport_count=0), but session
1161 				 * deletion thread(s) may be inflight.
1162 				 */
1163 
1164 				res = 0;
1165 				break;
1166 			}
1167 		}
1168 	}
1169 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1170 
1171 	return res;
1172 }
1173 
1174 /*
1175  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1176  * it has dependency on UNLOADING flag to stop device discovery
1177  */
1178 void
1179 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1180 {
1181 	u8 i;
1182 
1183 	qla2x00_mark_all_devices_lost(vha);
1184 
1185 	for (i = 0; i < 10; i++) {
1186 		if (wait_event_timeout(vha->fcport_waitQ,
1187 		    test_fcport_count(vha), HZ) > 0)
1188 			break;
1189 	}
1190 
1191 	flush_workqueue(vha->hw->wq);
1192 }
1193 
1194 /*
1195  * qla2x00_wait_for_hba_ready
1196  * Wait till the HBA is ready before doing driver unload
1197  *
1198  * Input:
1199  *     ha - pointer to host adapter structure
1200  *
1201  * Note:
1202  *    Does context switching-Release SPIN_LOCK
1203  *    (if any) before calling this routine.
1204  *
1205  */
1206 static void
1207 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1208 {
1209 	struct qla_hw_data *ha = vha->hw;
1210 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1211 
1212 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1213 		ha->flags.mbox_busy) ||
1214 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1215 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1216 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1217 			break;
1218 		msleep(1000);
1219 	}
1220 }
1221 
1222 int
1223 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1224 {
1225 	int		return_status;
1226 	unsigned long	wait_reset;
1227 	struct qla_hw_data *ha = vha->hw;
1228 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1229 
1230 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1231 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1232 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1233 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1234 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1235 
1236 		msleep(1000);
1237 
1238 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1239 		    ha->flags.chip_reset_done)
1240 			break;
1241 	}
1242 	if (ha->flags.chip_reset_done)
1243 		return_status = QLA_SUCCESS;
1244 	else
1245 		return_status = QLA_FUNCTION_FAILED;
1246 
1247 	return return_status;
1248 }
1249 
1250 /**************************************************************************
1251 * qla2xxx_eh_abort
1252 *
1253 * Description:
1254 *    The abort function will abort the specified command.
1255 *
1256 * Input:
1257 *    cmd = Linux SCSI command packet to be aborted.
1258 *
1259 * Returns:
1260 *    Either SUCCESS or FAILED.
1261 *
1262 * Note:
1263 *    Only return FAILED if command not returned by firmware.
1264 **************************************************************************/
1265 static int
1266 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1267 {
1268 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1269 	DECLARE_COMPLETION_ONSTACK(comp);
1270 	srb_t *sp;
1271 	int ret;
1272 	unsigned int id;
1273 	uint64_t lun;
1274 	int rval;
1275 	struct qla_hw_data *ha = vha->hw;
1276 	uint32_t ratov_j;
1277 	struct qla_qpair *qpair;
1278 	unsigned long flags;
1279 	int fast_fail_status = SUCCESS;
1280 
1281 	if (qla2x00_isp_reg_stat(ha)) {
1282 		ql_log(ql_log_info, vha, 0x8042,
1283 		    "PCI/Register disconnect, exiting.\n");
1284 		qla_pci_set_eeh_busy(vha);
1285 		return FAILED;
1286 	}
1287 
1288 	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1289 	ret = fc_block_scsi_eh(cmd);
1290 	if (ret != 0)
1291 		fast_fail_status = ret;
1292 
1293 	sp = scsi_cmd_priv(cmd);
1294 	qpair = sp->qpair;
1295 
1296 	vha->cmd_timeout_cnt++;
1297 
1298 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1299 		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1300 
1301 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1302 	sp->comp = &comp;
1303 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1304 
1305 
1306 	id = cmd->device->id;
1307 	lun = cmd->device->lun;
1308 
1309 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1310 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1311 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1312 
1313 	/*
1314 	 * Abort will release the original Command/sp from FW. Let the
1315 	 * original command call scsi_done. In return, he will wakeup
1316 	 * this sleeping thread.
1317 	 */
1318 	rval = ha->isp_ops->abort_command(sp);
1319 
1320 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1321 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1322 
1323 	/* Wait for the command completion. */
1324 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1325 	ratov_j = msecs_to_jiffies(ratov_j);
1326 	switch (rval) {
1327 	case QLA_SUCCESS:
1328 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1329 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1330 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1331 			    __func__, ha->r_a_tov/10);
1332 			ret = FAILED;
1333 		} else {
1334 			ret = fast_fail_status;
1335 		}
1336 		break;
1337 	default:
1338 		ret = FAILED;
1339 		break;
1340 	}
1341 
1342 	sp->comp = NULL;
1343 
1344 	ql_log(ql_log_info, vha, 0x801c,
1345 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1346 	    vha->host_no, id, lun, ret);
1347 
1348 	return ret;
1349 }
1350 
1351 /*
1352  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1353  */
1354 static int
1355 __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1356 				       uint64_t l, enum nexus_wait_type type)
1357 {
1358 	int cnt, match, status;
1359 	unsigned long flags;
1360 	scsi_qla_host_t *vha = qpair->vha;
1361 	struct req_que *req = qpair->req;
1362 	srb_t *sp;
1363 	struct scsi_cmnd *cmd;
1364 
1365 	status = QLA_SUCCESS;
1366 
1367 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1368 	for (cnt = 1; status == QLA_SUCCESS &&
1369 		cnt < req->num_outstanding_cmds; cnt++) {
1370 		sp = req->outstanding_cmds[cnt];
1371 		if (!sp)
1372 			continue;
1373 		if (sp->type != SRB_SCSI_CMD)
1374 			continue;
1375 		if (vha->vp_idx != sp->vha->vp_idx)
1376 			continue;
1377 		match = 0;
1378 		cmd = GET_CMD_SP(sp);
1379 		switch (type) {
1380 		case WAIT_HOST:
1381 			match = 1;
1382 			break;
1383 		case WAIT_TARGET:
1384 			match = cmd->device->id == t;
1385 			break;
1386 		case WAIT_LUN:
1387 			match = (cmd->device->id == t &&
1388 				cmd->device->lun == l);
1389 			break;
1390 		}
1391 		if (!match)
1392 			continue;
1393 
1394 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1395 		status = qla2x00_eh_wait_on_command(cmd);
1396 		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1397 	}
1398 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1399 
1400 	return status;
1401 }
1402 
1403 int
1404 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1405 				     uint64_t l, enum nexus_wait_type type)
1406 {
1407 	struct qla_qpair *qpair;
1408 	struct qla_hw_data *ha = vha->hw;
1409 	int i, status = QLA_SUCCESS;
1410 
1411 	status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
1412 							type);
1413 	for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
1414 		qpair = ha->queue_pair_map[i];
1415 		if (!qpair)
1416 			continue;
1417 		status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
1418 								type);
1419 	}
1420 	return status;
1421 }
1422 
1423 static char *reset_errors[] = {
1424 	"HBA not online",
1425 	"HBA not ready",
1426 	"Task management failed",
1427 	"Waiting for command completions",
1428 };
1429 
1430 static int
1431 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1432 {
1433 	struct scsi_device *sdev = cmd->device;
1434 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1435 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1436 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1437 	struct qla_hw_data *ha = vha->hw;
1438 	int err;
1439 
1440 	if (qla2x00_isp_reg_stat(ha)) {
1441 		ql_log(ql_log_info, vha, 0x803e,
1442 		    "PCI/Register disconnect, exiting.\n");
1443 		qla_pci_set_eeh_busy(vha);
1444 		return FAILED;
1445 	}
1446 
1447 	if (!fcport) {
1448 		return FAILED;
1449 	}
1450 
1451 	err = fc_block_rport(rport);
1452 	if (err != 0)
1453 		return err;
1454 
1455 	if (fcport->deleted)
1456 		return FAILED;
1457 
1458 	ql_log(ql_log_info, vha, 0x8009,
1459 	    "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
1460 	    sdev->id, sdev->lun, cmd);
1461 
1462 	err = 0;
1463 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1464 		ql_log(ql_log_warn, vha, 0x800a,
1465 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1466 		goto eh_reset_failed;
1467 	}
1468 	err = 2;
1469 	if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
1470 		!= QLA_SUCCESS) {
1471 		ql_log(ql_log_warn, vha, 0x800c,
1472 		    "do_reset failed for cmd=%p.\n", cmd);
1473 		goto eh_reset_failed;
1474 	}
1475 	err = 3;
1476 	if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id,
1477 	    sdev->lun, WAIT_LUN) != QLA_SUCCESS) {
1478 		ql_log(ql_log_warn, vha, 0x800d,
1479 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1480 		goto eh_reset_failed;
1481 	}
1482 
1483 	ql_log(ql_log_info, vha, 0x800e,
1484 	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1485 	    vha->host_no, sdev->id, sdev->lun, cmd);
1486 
1487 	return SUCCESS;
1488 
1489 eh_reset_failed:
1490 	ql_log(ql_log_info, vha, 0x800f,
1491 	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1492 	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1493 	    cmd);
1494 	vha->reset_cmd_err_cnt++;
1495 	return FAILED;
1496 }
1497 
1498 static int
1499 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1500 {
1501 	struct scsi_device *sdev = cmd->device;
1502 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1503 	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1504 	struct qla_hw_data *ha = vha->hw;
1505 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1506 	int err;
1507 
1508 	if (qla2x00_isp_reg_stat(ha)) {
1509 		ql_log(ql_log_info, vha, 0x803f,
1510 		    "PCI/Register disconnect, exiting.\n");
1511 		qla_pci_set_eeh_busy(vha);
1512 		return FAILED;
1513 	}
1514 
1515 	if (!fcport) {
1516 		return FAILED;
1517 	}
1518 
1519 	err = fc_block_rport(rport);
1520 	if (err != 0)
1521 		return err;
1522 
1523 	if (fcport->deleted)
1524 		return FAILED;
1525 
1526 	ql_log(ql_log_info, vha, 0x8009,
1527 	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1528 	    sdev->id, cmd);
1529 
1530 	err = 0;
1531 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1532 		ql_log(ql_log_warn, vha, 0x800a,
1533 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1534 		goto eh_reset_failed;
1535 	}
1536 	err = 2;
1537 	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1538 		ql_log(ql_log_warn, vha, 0x800c,
1539 		    "target_reset failed for cmd=%p.\n", cmd);
1540 		goto eh_reset_failed;
1541 	}
1542 	err = 3;
1543 	if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id,
1544 	    0, WAIT_TARGET) != QLA_SUCCESS) {
1545 		ql_log(ql_log_warn, vha, 0x800d,
1546 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1547 		goto eh_reset_failed;
1548 	}
1549 
1550 	ql_log(ql_log_info, vha, 0x800e,
1551 	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1552 	    vha->host_no, sdev->id, cmd);
1553 
1554 	return SUCCESS;
1555 
1556 eh_reset_failed:
1557 	ql_log(ql_log_info, vha, 0x800f,
1558 	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1559 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1560 	    cmd);
1561 	vha->reset_cmd_err_cnt++;
1562 	return FAILED;
1563 }
1564 
1565 /**************************************************************************
1566 * qla2xxx_eh_bus_reset
1567 *
1568 * Description:
1569 *    The bus reset function will reset the bus and abort any executing
1570 *    commands.
1571 *
1572 * Input:
1573 *    cmd = Linux SCSI command packet of the command that cause the
1574 *          bus reset.
1575 *
1576 * Returns:
1577 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1578 *
1579 **************************************************************************/
1580 static int
1581 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1582 {
1583 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1584 	int ret = FAILED;
1585 	unsigned int id;
1586 	uint64_t lun;
1587 	struct qla_hw_data *ha = vha->hw;
1588 
1589 	if (qla2x00_isp_reg_stat(ha)) {
1590 		ql_log(ql_log_info, vha, 0x8040,
1591 		    "PCI/Register disconnect, exiting.\n");
1592 		qla_pci_set_eeh_busy(vha);
1593 		return FAILED;
1594 	}
1595 
1596 	id = cmd->device->id;
1597 	lun = cmd->device->lun;
1598 
1599 	if (qla2x00_chip_is_down(vha))
1600 		return ret;
1601 
1602 	ql_log(ql_log_info, vha, 0x8012,
1603 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1604 
1605 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1606 		ql_log(ql_log_fatal, vha, 0x8013,
1607 		    "Wait for hba online failed board disabled.\n");
1608 		goto eh_bus_reset_done;
1609 	}
1610 
1611 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1612 		ret = SUCCESS;
1613 
1614 	if (ret == FAILED)
1615 		goto eh_bus_reset_done;
1616 
1617 	/* Flush outstanding commands. */
1618 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1619 	    QLA_SUCCESS) {
1620 		ql_log(ql_log_warn, vha, 0x8014,
1621 		    "Wait for pending commands failed.\n");
1622 		ret = FAILED;
1623 	}
1624 
1625 eh_bus_reset_done:
1626 	ql_log(ql_log_warn, vha, 0x802b,
1627 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1628 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1629 
1630 	return ret;
1631 }
1632 
1633 /**************************************************************************
1634 * qla2xxx_eh_host_reset
1635 *
1636 * Description:
1637 *    The reset function will reset the Adapter.
1638 *
1639 * Input:
1640 *      cmd = Linux SCSI command packet of the command that cause the
1641 *            adapter reset.
1642 *
1643 * Returns:
1644 *      Either SUCCESS or FAILED.
1645 *
1646 * Note:
1647 **************************************************************************/
1648 static int
1649 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1650 {
1651 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1652 	struct qla_hw_data *ha = vha->hw;
1653 	int ret = FAILED;
1654 	unsigned int id;
1655 	uint64_t lun;
1656 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1657 
1658 	if (qla2x00_isp_reg_stat(ha)) {
1659 		ql_log(ql_log_info, vha, 0x8041,
1660 		    "PCI/Register disconnect, exiting.\n");
1661 		qla_pci_set_eeh_busy(vha);
1662 		return SUCCESS;
1663 	}
1664 
1665 	id = cmd->device->id;
1666 	lun = cmd->device->lun;
1667 
1668 	ql_log(ql_log_info, vha, 0x8018,
1669 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1670 
1671 	/*
1672 	 * No point in issuing another reset if one is active.  Also do not
1673 	 * attempt a reset if we are updating flash.
1674 	 */
1675 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1676 		goto eh_host_reset_lock;
1677 
1678 	if (vha != base_vha) {
1679 		if (qla2x00_vp_abort_isp(vha))
1680 			goto eh_host_reset_lock;
1681 	} else {
1682 		if (IS_P3P_TYPE(vha->hw)) {
1683 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1684 				/* Ctx reset success */
1685 				ret = SUCCESS;
1686 				goto eh_host_reset_lock;
1687 			}
1688 			/* fall thru if ctx reset failed */
1689 		}
1690 		if (ha->wq)
1691 			flush_workqueue(ha->wq);
1692 
1693 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1694 		if (ha->isp_ops->abort_isp(base_vha)) {
1695 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1696 			/* failed. schedule dpc to try */
1697 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1698 
1699 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1700 				ql_log(ql_log_warn, vha, 0x802a,
1701 				    "wait for hba online failed.\n");
1702 				goto eh_host_reset_lock;
1703 			}
1704 		}
1705 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1706 	}
1707 
1708 	/* Waiting for command to be returned to OS.*/
1709 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1710 		QLA_SUCCESS)
1711 		ret = SUCCESS;
1712 
1713 eh_host_reset_lock:
1714 	ql_log(ql_log_info, vha, 0x8017,
1715 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1716 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1717 
1718 	return ret;
1719 }
1720 
1721 /*
1722 * qla2x00_loop_reset
1723 *      Issue loop reset.
1724 *
1725 * Input:
1726 *      ha = adapter block pointer.
1727 *
1728 * Returns:
1729 *      0 = success
1730 */
1731 int
1732 qla2x00_loop_reset(scsi_qla_host_t *vha)
1733 {
1734 	int ret;
1735 	struct qla_hw_data *ha = vha->hw;
1736 
1737 	if (IS_QLAFX00(ha))
1738 		return QLA_SUCCESS;
1739 
1740 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1741 		atomic_set(&vha->loop_state, LOOP_DOWN);
1742 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1743 		qla2x00_mark_all_devices_lost(vha);
1744 		ret = qla2x00_full_login_lip(vha);
1745 		if (ret != QLA_SUCCESS) {
1746 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1747 			    "full_login_lip=%d.\n", ret);
1748 		}
1749 	}
1750 
1751 	if (ha->flags.enable_lip_reset) {
1752 		ret = qla2x00_lip_reset(vha);
1753 		if (ret != QLA_SUCCESS)
1754 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1755 			    "lip_reset failed (%d).\n", ret);
1756 	}
1757 
1758 	/* Issue marker command only when we are going to start the I/O */
1759 	vha->marker_needed = 1;
1760 
1761 	return QLA_SUCCESS;
1762 }
1763 
1764 /*
1765  * The caller must ensure that no completion interrupts will happen
1766  * while this function is in progress.
1767  */
1768 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1769 			      unsigned long *flags)
1770 	__releases(qp->qp_lock_ptr)
1771 	__acquires(qp->qp_lock_ptr)
1772 {
1773 	DECLARE_COMPLETION_ONSTACK(comp);
1774 	scsi_qla_host_t *vha = qp->vha;
1775 	struct qla_hw_data *ha = vha->hw;
1776 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1777 	int rval;
1778 	bool ret_cmd;
1779 	uint32_t ratov_j;
1780 
1781 	lockdep_assert_held(qp->qp_lock_ptr);
1782 
1783 	if (qla2x00_chip_is_down(vha)) {
1784 		sp->done(sp, res);
1785 		return;
1786 	}
1787 
1788 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1789 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1790 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1791 	     !qla2x00_isp_reg_stat(ha))) {
1792 		if (sp->comp) {
1793 			sp->done(sp, res);
1794 			return;
1795 		}
1796 
1797 		sp->comp = &comp;
1798 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1799 
1800 		rval = ha->isp_ops->abort_command(sp);
1801 		/* Wait for command completion. */
1802 		ret_cmd = false;
1803 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1804 		ratov_j = msecs_to_jiffies(ratov_j);
1805 		switch (rval) {
1806 		case QLA_SUCCESS:
1807 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1808 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1809 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1810 				    __func__, ha->r_a_tov/10);
1811 				ret_cmd = true;
1812 			}
1813 			/* else FW return SP to driver */
1814 			break;
1815 		default:
1816 			ret_cmd = true;
1817 			break;
1818 		}
1819 
1820 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1821 		if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1822 			sp->done(sp, res);
1823 	} else {
1824 		sp->done(sp, res);
1825 	}
1826 }
1827 
1828 /*
1829  * The caller must ensure that no completion interrupts will happen
1830  * while this function is in progress.
1831  */
1832 static void
1833 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1834 {
1835 	int cnt;
1836 	unsigned long flags;
1837 	srb_t *sp;
1838 	scsi_qla_host_t *vha = qp->vha;
1839 	struct qla_hw_data *ha = vha->hw;
1840 	struct req_que *req;
1841 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1842 	struct qla_tgt_cmd *cmd;
1843 
1844 	if (!ha->req_q_map)
1845 		return;
1846 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1847 	req = qp->req;
1848 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1849 		sp = req->outstanding_cmds[cnt];
1850 		if (sp) {
1851 			switch (sp->cmd_type) {
1852 			case TYPE_SRB:
1853 				qla2x00_abort_srb(qp, sp, res, &flags);
1854 				break;
1855 			case TYPE_TGT_CMD:
1856 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1857 				    qla_ini_mode_enabled(vha)) {
1858 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1859 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1860 					    vha->dpc_flags);
1861 					continue;
1862 				}
1863 				cmd = (struct qla_tgt_cmd *)sp;
1864 				cmd->aborted = 1;
1865 				break;
1866 			case TYPE_TGT_TMCMD:
1867 				/* Skip task management functions. */
1868 				break;
1869 			default:
1870 				break;
1871 			}
1872 			req->outstanding_cmds[cnt] = NULL;
1873 		}
1874 	}
1875 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1876 }
1877 
1878 /*
1879  * The caller must ensure that no completion interrupts will happen
1880  * while this function is in progress.
1881  */
1882 void
1883 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1884 {
1885 	int que;
1886 	struct qla_hw_data *ha = vha->hw;
1887 
1888 	/* Continue only if initialization complete. */
1889 	if (!ha->base_qpair)
1890 		return;
1891 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1892 
1893 	if (!ha->queue_pair_map)
1894 		return;
1895 	for (que = 0; que < ha->max_qpairs; que++) {
1896 		if (!ha->queue_pair_map[que])
1897 			continue;
1898 
1899 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1900 	}
1901 }
1902 
1903 static int
1904 qla2xxx_slave_alloc(struct scsi_device *sdev)
1905 {
1906 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1907 
1908 	if (!rport || fc_remote_port_chkready(rport))
1909 		return -ENXIO;
1910 
1911 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1912 
1913 	return 0;
1914 }
1915 
1916 static int
1917 qla2xxx_slave_configure(struct scsi_device *sdev)
1918 {
1919 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1920 	struct req_que *req = vha->req;
1921 
1922 	if (IS_T10_PI_CAPABLE(vha->hw))
1923 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1924 
1925 	scsi_change_queue_depth(sdev, req->max_q_depth);
1926 	return 0;
1927 }
1928 
1929 static void
1930 qla2xxx_slave_destroy(struct scsi_device *sdev)
1931 {
1932 	sdev->hostdata = NULL;
1933 }
1934 
1935 /**
1936  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1937  * @ha: HA context
1938  *
1939  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1940  * supported addressing method.
1941  */
1942 static void
1943 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1944 {
1945 	/* Assume a 32bit DMA mask. */
1946 	ha->flags.enable_64bit_addressing = 0;
1947 
1948 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1949 		/* Any upper-dword bits set? */
1950 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1951 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1952 			/* Ok, a 64bit DMA mask is applicable. */
1953 			ha->flags.enable_64bit_addressing = 1;
1954 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1955 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1956 			return;
1957 		}
1958 	}
1959 
1960 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1961 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1962 }
1963 
1964 static void
1965 qla2x00_enable_intrs(struct qla_hw_data *ha)
1966 {
1967 	unsigned long flags = 0;
1968 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1969 
1970 	spin_lock_irqsave(&ha->hardware_lock, flags);
1971 	ha->interrupts_on = 1;
1972 	/* enable risc and host interrupts */
1973 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1974 	rd_reg_word(&reg->ictrl);
1975 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1976 
1977 }
1978 
1979 static void
1980 qla2x00_disable_intrs(struct qla_hw_data *ha)
1981 {
1982 	unsigned long flags = 0;
1983 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1984 
1985 	spin_lock_irqsave(&ha->hardware_lock, flags);
1986 	ha->interrupts_on = 0;
1987 	/* disable risc and host interrupts */
1988 	wrt_reg_word(&reg->ictrl, 0);
1989 	rd_reg_word(&reg->ictrl);
1990 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1991 }
1992 
1993 static void
1994 qla24xx_enable_intrs(struct qla_hw_data *ha)
1995 {
1996 	unsigned long flags = 0;
1997 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1998 
1999 	spin_lock_irqsave(&ha->hardware_lock, flags);
2000 	ha->interrupts_on = 1;
2001 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2002 	rd_reg_dword(&reg->ictrl);
2003 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2004 }
2005 
2006 static void
2007 qla24xx_disable_intrs(struct qla_hw_data *ha)
2008 {
2009 	unsigned long flags = 0;
2010 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2011 
2012 	if (IS_NOPOLLING_TYPE(ha))
2013 		return;
2014 	spin_lock_irqsave(&ha->hardware_lock, flags);
2015 	ha->interrupts_on = 0;
2016 	wrt_reg_dword(&reg->ictrl, 0);
2017 	rd_reg_dword(&reg->ictrl);
2018 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2019 }
2020 
2021 static int
2022 qla2x00_iospace_config(struct qla_hw_data *ha)
2023 {
2024 	resource_size_t pio;
2025 	uint16_t msix;
2026 
2027 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2028 	    QLA2XXX_DRIVER_NAME)) {
2029 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2030 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2031 		    pci_name(ha->pdev));
2032 		goto iospace_error_exit;
2033 	}
2034 	if (!(ha->bars & 1))
2035 		goto skip_pio;
2036 
2037 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2038 	pio = pci_resource_start(ha->pdev, 0);
2039 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2040 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2041 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2042 			    "Invalid pci I/O region size (%s).\n",
2043 			    pci_name(ha->pdev));
2044 			pio = 0;
2045 		}
2046 	} else {
2047 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2048 		    "Region #0 no a PIO resource (%s).\n",
2049 		    pci_name(ha->pdev));
2050 		pio = 0;
2051 	}
2052 	ha->pio_address = pio;
2053 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2054 	    "PIO address=%llu.\n",
2055 	    (unsigned long long)ha->pio_address);
2056 
2057 skip_pio:
2058 	/* Use MMIO operations for all accesses. */
2059 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2060 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2061 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2062 		    pci_name(ha->pdev));
2063 		goto iospace_error_exit;
2064 	}
2065 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2066 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2067 		    "Invalid PCI mem region size (%s), aborting.\n",
2068 		    pci_name(ha->pdev));
2069 		goto iospace_error_exit;
2070 	}
2071 
2072 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2073 	if (!ha->iobase) {
2074 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2075 		    "Cannot remap MMIO (%s), aborting.\n",
2076 		    pci_name(ha->pdev));
2077 		goto iospace_error_exit;
2078 	}
2079 
2080 	/* Determine queue resources */
2081 	ha->max_req_queues = ha->max_rsp_queues = 1;
2082 	ha->msix_count = QLA_BASE_VECTORS;
2083 
2084 	/* Check if FW supports MQ or not */
2085 	if (!(ha->fw_attributes & BIT_6))
2086 		goto mqiobase_exit;
2087 
2088 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2089 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2090 		goto mqiobase_exit;
2091 
2092 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2093 			pci_resource_len(ha->pdev, 3));
2094 	if (ha->mqiobase) {
2095 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2096 		    "MQIO Base=%p.\n", ha->mqiobase);
2097 		/* Read MSIX vector size of the board */
2098 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2099 		ha->msix_count = msix + 1;
2100 		/* Max queues are bounded by available msix vectors */
2101 		/* MB interrupt uses 1 vector */
2102 		ha->max_req_queues = ha->msix_count - 1;
2103 		ha->max_rsp_queues = ha->max_req_queues;
2104 		/* Queue pairs is the max value minus the base queue pair */
2105 		ha->max_qpairs = ha->max_rsp_queues - 1;
2106 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2107 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2108 
2109 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2110 		    "MSI-X vector count: %d.\n", ha->msix_count);
2111 	} else
2112 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2113 		    "BAR 3 not enabled.\n");
2114 
2115 mqiobase_exit:
2116 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2117 	    "MSIX Count: %d.\n", ha->msix_count);
2118 	return (0);
2119 
2120 iospace_error_exit:
2121 	return (-ENOMEM);
2122 }
2123 
2124 
2125 static int
2126 qla83xx_iospace_config(struct qla_hw_data *ha)
2127 {
2128 	uint16_t msix;
2129 
2130 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2131 	    QLA2XXX_DRIVER_NAME)) {
2132 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2133 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2134 		    pci_name(ha->pdev));
2135 
2136 		goto iospace_error_exit;
2137 	}
2138 
2139 	/* Use MMIO operations for all accesses. */
2140 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2141 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2142 		    "Invalid pci I/O region size (%s).\n",
2143 		    pci_name(ha->pdev));
2144 		goto iospace_error_exit;
2145 	}
2146 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2147 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2148 		    "Invalid PCI mem region size (%s), aborting\n",
2149 			pci_name(ha->pdev));
2150 		goto iospace_error_exit;
2151 	}
2152 
2153 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2154 	if (!ha->iobase) {
2155 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2156 		    "Cannot remap MMIO (%s), aborting.\n",
2157 		    pci_name(ha->pdev));
2158 		goto iospace_error_exit;
2159 	}
2160 
2161 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2162 	/* 83XX 26XX always use MQ type access for queues
2163 	 * - mbar 2, a.k.a region 4 */
2164 	ha->max_req_queues = ha->max_rsp_queues = 1;
2165 	ha->msix_count = QLA_BASE_VECTORS;
2166 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2167 			pci_resource_len(ha->pdev, 4));
2168 
2169 	if (!ha->mqiobase) {
2170 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2171 		    "BAR2/region4 not enabled\n");
2172 		goto mqiobase_exit;
2173 	}
2174 
2175 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2176 			pci_resource_len(ha->pdev, 2));
2177 	if (ha->msixbase) {
2178 		/* Read MSIX vector size of the board */
2179 		pci_read_config_word(ha->pdev,
2180 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2181 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2182 		/*
2183 		 * By default, driver uses at least two msix vectors
2184 		 * (default & rspq)
2185 		 */
2186 		if (ql2xmqsupport || ql2xnvmeenable) {
2187 			/* MB interrupt uses 1 vector */
2188 			ha->max_req_queues = ha->msix_count - 1;
2189 
2190 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2191 			if (QLA_TGT_MODE_ENABLED())
2192 				ha->max_req_queues--;
2193 
2194 			ha->max_rsp_queues = ha->max_req_queues;
2195 
2196 			/* Queue pairs is the max value minus
2197 			 * the base queue pair */
2198 			ha->max_qpairs = ha->max_req_queues - 1;
2199 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2200 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2201 		}
2202 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2203 		    "MSI-X vector count: %d.\n", ha->msix_count);
2204 	} else
2205 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2206 		    "BAR 1 not enabled.\n");
2207 
2208 mqiobase_exit:
2209 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2210 	    "MSIX Count: %d.\n", ha->msix_count);
2211 	return 0;
2212 
2213 iospace_error_exit:
2214 	return -ENOMEM;
2215 }
2216 
2217 static struct isp_operations qla2100_isp_ops = {
2218 	.pci_config		= qla2100_pci_config,
2219 	.reset_chip		= qla2x00_reset_chip,
2220 	.chip_diag		= qla2x00_chip_diag,
2221 	.config_rings		= qla2x00_config_rings,
2222 	.reset_adapter		= qla2x00_reset_adapter,
2223 	.nvram_config		= qla2x00_nvram_config,
2224 	.update_fw_options	= qla2x00_update_fw_options,
2225 	.load_risc		= qla2x00_load_risc,
2226 	.pci_info_str		= qla2x00_pci_info_str,
2227 	.fw_version_str		= qla2x00_fw_version_str,
2228 	.intr_handler		= qla2100_intr_handler,
2229 	.enable_intrs		= qla2x00_enable_intrs,
2230 	.disable_intrs		= qla2x00_disable_intrs,
2231 	.abort_command		= qla2x00_abort_command,
2232 	.target_reset		= qla2x00_abort_target,
2233 	.lun_reset		= qla2x00_lun_reset,
2234 	.fabric_login		= qla2x00_login_fabric,
2235 	.fabric_logout		= qla2x00_fabric_logout,
2236 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2237 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2238 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2239 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2240 	.read_nvram		= qla2x00_read_nvram_data,
2241 	.write_nvram		= qla2x00_write_nvram_data,
2242 	.fw_dump		= qla2100_fw_dump,
2243 	.beacon_on		= NULL,
2244 	.beacon_off		= NULL,
2245 	.beacon_blink		= NULL,
2246 	.read_optrom		= qla2x00_read_optrom_data,
2247 	.write_optrom		= qla2x00_write_optrom_data,
2248 	.get_flash_version	= qla2x00_get_flash_version,
2249 	.start_scsi		= qla2x00_start_scsi,
2250 	.start_scsi_mq          = NULL,
2251 	.abort_isp		= qla2x00_abort_isp,
2252 	.iospace_config     	= qla2x00_iospace_config,
2253 	.initialize_adapter	= qla2x00_initialize_adapter,
2254 };
2255 
2256 static struct isp_operations qla2300_isp_ops = {
2257 	.pci_config		= qla2300_pci_config,
2258 	.reset_chip		= qla2x00_reset_chip,
2259 	.chip_diag		= qla2x00_chip_diag,
2260 	.config_rings		= qla2x00_config_rings,
2261 	.reset_adapter		= qla2x00_reset_adapter,
2262 	.nvram_config		= qla2x00_nvram_config,
2263 	.update_fw_options	= qla2x00_update_fw_options,
2264 	.load_risc		= qla2x00_load_risc,
2265 	.pci_info_str		= qla2x00_pci_info_str,
2266 	.fw_version_str		= qla2x00_fw_version_str,
2267 	.intr_handler		= qla2300_intr_handler,
2268 	.enable_intrs		= qla2x00_enable_intrs,
2269 	.disable_intrs		= qla2x00_disable_intrs,
2270 	.abort_command		= qla2x00_abort_command,
2271 	.target_reset		= qla2x00_abort_target,
2272 	.lun_reset		= qla2x00_lun_reset,
2273 	.fabric_login		= qla2x00_login_fabric,
2274 	.fabric_logout		= qla2x00_fabric_logout,
2275 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2276 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2277 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2278 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2279 	.read_nvram		= qla2x00_read_nvram_data,
2280 	.write_nvram		= qla2x00_write_nvram_data,
2281 	.fw_dump		= qla2300_fw_dump,
2282 	.beacon_on		= qla2x00_beacon_on,
2283 	.beacon_off		= qla2x00_beacon_off,
2284 	.beacon_blink		= qla2x00_beacon_blink,
2285 	.read_optrom		= qla2x00_read_optrom_data,
2286 	.write_optrom		= qla2x00_write_optrom_data,
2287 	.get_flash_version	= qla2x00_get_flash_version,
2288 	.start_scsi		= qla2x00_start_scsi,
2289 	.start_scsi_mq          = NULL,
2290 	.abort_isp		= qla2x00_abort_isp,
2291 	.iospace_config		= qla2x00_iospace_config,
2292 	.initialize_adapter	= qla2x00_initialize_adapter,
2293 };
2294 
2295 static struct isp_operations qla24xx_isp_ops = {
2296 	.pci_config		= qla24xx_pci_config,
2297 	.reset_chip		= qla24xx_reset_chip,
2298 	.chip_diag		= qla24xx_chip_diag,
2299 	.config_rings		= qla24xx_config_rings,
2300 	.reset_adapter		= qla24xx_reset_adapter,
2301 	.nvram_config		= qla24xx_nvram_config,
2302 	.update_fw_options	= qla24xx_update_fw_options,
2303 	.load_risc		= qla24xx_load_risc,
2304 	.pci_info_str		= qla24xx_pci_info_str,
2305 	.fw_version_str		= qla24xx_fw_version_str,
2306 	.intr_handler		= qla24xx_intr_handler,
2307 	.enable_intrs		= qla24xx_enable_intrs,
2308 	.disable_intrs		= qla24xx_disable_intrs,
2309 	.abort_command		= qla24xx_abort_command,
2310 	.target_reset		= qla24xx_abort_target,
2311 	.lun_reset		= qla24xx_lun_reset,
2312 	.fabric_login		= qla24xx_login_fabric,
2313 	.fabric_logout		= qla24xx_fabric_logout,
2314 	.calc_req_entries	= NULL,
2315 	.build_iocbs		= NULL,
2316 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2317 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2318 	.read_nvram		= qla24xx_read_nvram_data,
2319 	.write_nvram		= qla24xx_write_nvram_data,
2320 	.fw_dump		= qla24xx_fw_dump,
2321 	.beacon_on		= qla24xx_beacon_on,
2322 	.beacon_off		= qla24xx_beacon_off,
2323 	.beacon_blink		= qla24xx_beacon_blink,
2324 	.read_optrom		= qla24xx_read_optrom_data,
2325 	.write_optrom		= qla24xx_write_optrom_data,
2326 	.get_flash_version	= qla24xx_get_flash_version,
2327 	.start_scsi		= qla24xx_start_scsi,
2328 	.start_scsi_mq          = NULL,
2329 	.abort_isp		= qla2x00_abort_isp,
2330 	.iospace_config		= qla2x00_iospace_config,
2331 	.initialize_adapter	= qla2x00_initialize_adapter,
2332 };
2333 
2334 static struct isp_operations qla25xx_isp_ops = {
2335 	.pci_config		= qla25xx_pci_config,
2336 	.reset_chip		= qla24xx_reset_chip,
2337 	.chip_diag		= qla24xx_chip_diag,
2338 	.config_rings		= qla24xx_config_rings,
2339 	.reset_adapter		= qla24xx_reset_adapter,
2340 	.nvram_config		= qla24xx_nvram_config,
2341 	.update_fw_options	= qla24xx_update_fw_options,
2342 	.load_risc		= qla24xx_load_risc,
2343 	.pci_info_str		= qla24xx_pci_info_str,
2344 	.fw_version_str		= qla24xx_fw_version_str,
2345 	.intr_handler		= qla24xx_intr_handler,
2346 	.enable_intrs		= qla24xx_enable_intrs,
2347 	.disable_intrs		= qla24xx_disable_intrs,
2348 	.abort_command		= qla24xx_abort_command,
2349 	.target_reset		= qla24xx_abort_target,
2350 	.lun_reset		= qla24xx_lun_reset,
2351 	.fabric_login		= qla24xx_login_fabric,
2352 	.fabric_logout		= qla24xx_fabric_logout,
2353 	.calc_req_entries	= NULL,
2354 	.build_iocbs		= NULL,
2355 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2356 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2357 	.read_nvram		= qla25xx_read_nvram_data,
2358 	.write_nvram		= qla25xx_write_nvram_data,
2359 	.fw_dump		= qla25xx_fw_dump,
2360 	.beacon_on		= qla24xx_beacon_on,
2361 	.beacon_off		= qla24xx_beacon_off,
2362 	.beacon_blink		= qla24xx_beacon_blink,
2363 	.read_optrom		= qla25xx_read_optrom_data,
2364 	.write_optrom		= qla24xx_write_optrom_data,
2365 	.get_flash_version	= qla24xx_get_flash_version,
2366 	.start_scsi		= qla24xx_dif_start_scsi,
2367 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2368 	.abort_isp		= qla2x00_abort_isp,
2369 	.iospace_config		= qla2x00_iospace_config,
2370 	.initialize_adapter	= qla2x00_initialize_adapter,
2371 };
2372 
2373 static struct isp_operations qla81xx_isp_ops = {
2374 	.pci_config		= qla25xx_pci_config,
2375 	.reset_chip		= qla24xx_reset_chip,
2376 	.chip_diag		= qla24xx_chip_diag,
2377 	.config_rings		= qla24xx_config_rings,
2378 	.reset_adapter		= qla24xx_reset_adapter,
2379 	.nvram_config		= qla81xx_nvram_config,
2380 	.update_fw_options	= qla24xx_update_fw_options,
2381 	.load_risc		= qla81xx_load_risc,
2382 	.pci_info_str		= qla24xx_pci_info_str,
2383 	.fw_version_str		= qla24xx_fw_version_str,
2384 	.intr_handler		= qla24xx_intr_handler,
2385 	.enable_intrs		= qla24xx_enable_intrs,
2386 	.disable_intrs		= qla24xx_disable_intrs,
2387 	.abort_command		= qla24xx_abort_command,
2388 	.target_reset		= qla24xx_abort_target,
2389 	.lun_reset		= qla24xx_lun_reset,
2390 	.fabric_login		= qla24xx_login_fabric,
2391 	.fabric_logout		= qla24xx_fabric_logout,
2392 	.calc_req_entries	= NULL,
2393 	.build_iocbs		= NULL,
2394 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2395 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2396 	.read_nvram		= NULL,
2397 	.write_nvram		= NULL,
2398 	.fw_dump		= qla81xx_fw_dump,
2399 	.beacon_on		= qla24xx_beacon_on,
2400 	.beacon_off		= qla24xx_beacon_off,
2401 	.beacon_blink		= qla83xx_beacon_blink,
2402 	.read_optrom		= qla25xx_read_optrom_data,
2403 	.write_optrom		= qla24xx_write_optrom_data,
2404 	.get_flash_version	= qla24xx_get_flash_version,
2405 	.start_scsi		= qla24xx_dif_start_scsi,
2406 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2407 	.abort_isp		= qla2x00_abort_isp,
2408 	.iospace_config		= qla2x00_iospace_config,
2409 	.initialize_adapter	= qla2x00_initialize_adapter,
2410 };
2411 
2412 static struct isp_operations qla82xx_isp_ops = {
2413 	.pci_config		= qla82xx_pci_config,
2414 	.reset_chip		= qla82xx_reset_chip,
2415 	.chip_diag		= qla24xx_chip_diag,
2416 	.config_rings		= qla82xx_config_rings,
2417 	.reset_adapter		= qla24xx_reset_adapter,
2418 	.nvram_config		= qla81xx_nvram_config,
2419 	.update_fw_options	= qla24xx_update_fw_options,
2420 	.load_risc		= qla82xx_load_risc,
2421 	.pci_info_str		= qla24xx_pci_info_str,
2422 	.fw_version_str		= qla24xx_fw_version_str,
2423 	.intr_handler		= qla82xx_intr_handler,
2424 	.enable_intrs		= qla82xx_enable_intrs,
2425 	.disable_intrs		= qla82xx_disable_intrs,
2426 	.abort_command		= qla24xx_abort_command,
2427 	.target_reset		= qla24xx_abort_target,
2428 	.lun_reset		= qla24xx_lun_reset,
2429 	.fabric_login		= qla24xx_login_fabric,
2430 	.fabric_logout		= qla24xx_fabric_logout,
2431 	.calc_req_entries	= NULL,
2432 	.build_iocbs		= NULL,
2433 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2434 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2435 	.read_nvram		= qla24xx_read_nvram_data,
2436 	.write_nvram		= qla24xx_write_nvram_data,
2437 	.fw_dump		= qla82xx_fw_dump,
2438 	.beacon_on		= qla82xx_beacon_on,
2439 	.beacon_off		= qla82xx_beacon_off,
2440 	.beacon_blink		= NULL,
2441 	.read_optrom		= qla82xx_read_optrom_data,
2442 	.write_optrom		= qla82xx_write_optrom_data,
2443 	.get_flash_version	= qla82xx_get_flash_version,
2444 	.start_scsi             = qla82xx_start_scsi,
2445 	.start_scsi_mq          = NULL,
2446 	.abort_isp		= qla82xx_abort_isp,
2447 	.iospace_config     	= qla82xx_iospace_config,
2448 	.initialize_adapter	= qla2x00_initialize_adapter,
2449 };
2450 
2451 static struct isp_operations qla8044_isp_ops = {
2452 	.pci_config		= qla82xx_pci_config,
2453 	.reset_chip		= qla82xx_reset_chip,
2454 	.chip_diag		= qla24xx_chip_diag,
2455 	.config_rings		= qla82xx_config_rings,
2456 	.reset_adapter		= qla24xx_reset_adapter,
2457 	.nvram_config		= qla81xx_nvram_config,
2458 	.update_fw_options	= qla24xx_update_fw_options,
2459 	.load_risc		= qla82xx_load_risc,
2460 	.pci_info_str		= qla24xx_pci_info_str,
2461 	.fw_version_str		= qla24xx_fw_version_str,
2462 	.intr_handler		= qla8044_intr_handler,
2463 	.enable_intrs		= qla82xx_enable_intrs,
2464 	.disable_intrs		= qla82xx_disable_intrs,
2465 	.abort_command		= qla24xx_abort_command,
2466 	.target_reset		= qla24xx_abort_target,
2467 	.lun_reset		= qla24xx_lun_reset,
2468 	.fabric_login		= qla24xx_login_fabric,
2469 	.fabric_logout		= qla24xx_fabric_logout,
2470 	.calc_req_entries	= NULL,
2471 	.build_iocbs		= NULL,
2472 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2473 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2474 	.read_nvram		= NULL,
2475 	.write_nvram		= NULL,
2476 	.fw_dump		= qla8044_fw_dump,
2477 	.beacon_on		= qla82xx_beacon_on,
2478 	.beacon_off		= qla82xx_beacon_off,
2479 	.beacon_blink		= NULL,
2480 	.read_optrom		= qla8044_read_optrom_data,
2481 	.write_optrom		= qla8044_write_optrom_data,
2482 	.get_flash_version	= qla82xx_get_flash_version,
2483 	.start_scsi             = qla82xx_start_scsi,
2484 	.start_scsi_mq          = NULL,
2485 	.abort_isp		= qla8044_abort_isp,
2486 	.iospace_config		= qla82xx_iospace_config,
2487 	.initialize_adapter	= qla2x00_initialize_adapter,
2488 };
2489 
2490 static struct isp_operations qla83xx_isp_ops = {
2491 	.pci_config		= qla25xx_pci_config,
2492 	.reset_chip		= qla24xx_reset_chip,
2493 	.chip_diag		= qla24xx_chip_diag,
2494 	.config_rings		= qla24xx_config_rings,
2495 	.reset_adapter		= qla24xx_reset_adapter,
2496 	.nvram_config		= qla81xx_nvram_config,
2497 	.update_fw_options	= qla24xx_update_fw_options,
2498 	.load_risc		= qla81xx_load_risc,
2499 	.pci_info_str		= qla24xx_pci_info_str,
2500 	.fw_version_str		= qla24xx_fw_version_str,
2501 	.intr_handler		= qla24xx_intr_handler,
2502 	.enable_intrs		= qla24xx_enable_intrs,
2503 	.disable_intrs		= qla24xx_disable_intrs,
2504 	.abort_command		= qla24xx_abort_command,
2505 	.target_reset		= qla24xx_abort_target,
2506 	.lun_reset		= qla24xx_lun_reset,
2507 	.fabric_login		= qla24xx_login_fabric,
2508 	.fabric_logout		= qla24xx_fabric_logout,
2509 	.calc_req_entries	= NULL,
2510 	.build_iocbs		= NULL,
2511 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2512 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2513 	.read_nvram		= NULL,
2514 	.write_nvram		= NULL,
2515 	.fw_dump		= qla83xx_fw_dump,
2516 	.beacon_on		= qla24xx_beacon_on,
2517 	.beacon_off		= qla24xx_beacon_off,
2518 	.beacon_blink		= qla83xx_beacon_blink,
2519 	.read_optrom		= qla25xx_read_optrom_data,
2520 	.write_optrom		= qla24xx_write_optrom_data,
2521 	.get_flash_version	= qla24xx_get_flash_version,
2522 	.start_scsi		= qla24xx_dif_start_scsi,
2523 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2524 	.abort_isp		= qla2x00_abort_isp,
2525 	.iospace_config		= qla83xx_iospace_config,
2526 	.initialize_adapter	= qla2x00_initialize_adapter,
2527 };
2528 
2529 static struct isp_operations qlafx00_isp_ops = {
2530 	.pci_config		= qlafx00_pci_config,
2531 	.reset_chip		= qlafx00_soft_reset,
2532 	.chip_diag		= qlafx00_chip_diag,
2533 	.config_rings		= qlafx00_config_rings,
2534 	.reset_adapter		= qlafx00_soft_reset,
2535 	.nvram_config		= NULL,
2536 	.update_fw_options	= NULL,
2537 	.load_risc		= NULL,
2538 	.pci_info_str		= qlafx00_pci_info_str,
2539 	.fw_version_str		= qlafx00_fw_version_str,
2540 	.intr_handler		= qlafx00_intr_handler,
2541 	.enable_intrs		= qlafx00_enable_intrs,
2542 	.disable_intrs		= qlafx00_disable_intrs,
2543 	.abort_command		= qla24xx_async_abort_command,
2544 	.target_reset		= qlafx00_abort_target,
2545 	.lun_reset		= qlafx00_lun_reset,
2546 	.fabric_login		= NULL,
2547 	.fabric_logout		= NULL,
2548 	.calc_req_entries	= NULL,
2549 	.build_iocbs		= NULL,
2550 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2551 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2552 	.read_nvram		= qla24xx_read_nvram_data,
2553 	.write_nvram		= qla24xx_write_nvram_data,
2554 	.fw_dump		= NULL,
2555 	.beacon_on		= qla24xx_beacon_on,
2556 	.beacon_off		= qla24xx_beacon_off,
2557 	.beacon_blink		= NULL,
2558 	.read_optrom		= qla24xx_read_optrom_data,
2559 	.write_optrom		= qla24xx_write_optrom_data,
2560 	.get_flash_version	= qla24xx_get_flash_version,
2561 	.start_scsi		= qlafx00_start_scsi,
2562 	.start_scsi_mq          = NULL,
2563 	.abort_isp		= qlafx00_abort_isp,
2564 	.iospace_config		= qlafx00_iospace_config,
2565 	.initialize_adapter	= qlafx00_initialize_adapter,
2566 };
2567 
2568 static struct isp_operations qla27xx_isp_ops = {
2569 	.pci_config		= qla25xx_pci_config,
2570 	.reset_chip		= qla24xx_reset_chip,
2571 	.chip_diag		= qla24xx_chip_diag,
2572 	.config_rings		= qla24xx_config_rings,
2573 	.reset_adapter		= qla24xx_reset_adapter,
2574 	.nvram_config		= qla81xx_nvram_config,
2575 	.update_fw_options	= qla24xx_update_fw_options,
2576 	.load_risc		= qla81xx_load_risc,
2577 	.pci_info_str		= qla24xx_pci_info_str,
2578 	.fw_version_str		= qla24xx_fw_version_str,
2579 	.intr_handler		= qla24xx_intr_handler,
2580 	.enable_intrs		= qla24xx_enable_intrs,
2581 	.disable_intrs		= qla24xx_disable_intrs,
2582 	.abort_command		= qla24xx_abort_command,
2583 	.target_reset		= qla24xx_abort_target,
2584 	.lun_reset		= qla24xx_lun_reset,
2585 	.fabric_login		= qla24xx_login_fabric,
2586 	.fabric_logout		= qla24xx_fabric_logout,
2587 	.calc_req_entries	= NULL,
2588 	.build_iocbs		= NULL,
2589 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2590 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2591 	.read_nvram		= NULL,
2592 	.write_nvram		= NULL,
2593 	.fw_dump		= qla27xx_fwdump,
2594 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2595 	.beacon_on		= qla24xx_beacon_on,
2596 	.beacon_off		= qla24xx_beacon_off,
2597 	.beacon_blink		= qla83xx_beacon_blink,
2598 	.read_optrom		= qla25xx_read_optrom_data,
2599 	.write_optrom		= qla24xx_write_optrom_data,
2600 	.get_flash_version	= qla24xx_get_flash_version,
2601 	.start_scsi		= qla24xx_dif_start_scsi,
2602 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2603 	.abort_isp		= qla2x00_abort_isp,
2604 	.iospace_config		= qla83xx_iospace_config,
2605 	.initialize_adapter	= qla2x00_initialize_adapter,
2606 };
2607 
2608 static inline void
2609 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2610 {
2611 	ha->device_type = DT_EXTENDED_IDS;
2612 	switch (ha->pdev->device) {
2613 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2614 		ha->isp_type |= DT_ISP2100;
2615 		ha->device_type &= ~DT_EXTENDED_IDS;
2616 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2617 		break;
2618 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2619 		ha->isp_type |= DT_ISP2200;
2620 		ha->device_type &= ~DT_EXTENDED_IDS;
2621 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2622 		break;
2623 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2624 		ha->isp_type |= DT_ISP2300;
2625 		ha->device_type |= DT_ZIO_SUPPORTED;
2626 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2627 		break;
2628 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2629 		ha->isp_type |= DT_ISP2312;
2630 		ha->device_type |= DT_ZIO_SUPPORTED;
2631 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2632 		break;
2633 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2634 		ha->isp_type |= DT_ISP2322;
2635 		ha->device_type |= DT_ZIO_SUPPORTED;
2636 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2637 		    ha->pdev->subsystem_device == 0x0170)
2638 			ha->device_type |= DT_OEM_001;
2639 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2640 		break;
2641 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2642 		ha->isp_type |= DT_ISP6312;
2643 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2644 		break;
2645 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2646 		ha->isp_type |= DT_ISP6322;
2647 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2648 		break;
2649 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2650 		ha->isp_type |= DT_ISP2422;
2651 		ha->device_type |= DT_ZIO_SUPPORTED;
2652 		ha->device_type |= DT_FWI2;
2653 		ha->device_type |= DT_IIDMA;
2654 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2655 		break;
2656 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2657 		ha->isp_type |= DT_ISP2432;
2658 		ha->device_type |= DT_ZIO_SUPPORTED;
2659 		ha->device_type |= DT_FWI2;
2660 		ha->device_type |= DT_IIDMA;
2661 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2662 		break;
2663 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2664 		ha->isp_type |= DT_ISP8432;
2665 		ha->device_type |= DT_ZIO_SUPPORTED;
2666 		ha->device_type |= DT_FWI2;
2667 		ha->device_type |= DT_IIDMA;
2668 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2669 		break;
2670 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2671 		ha->isp_type |= DT_ISP5422;
2672 		ha->device_type |= DT_FWI2;
2673 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2674 		break;
2675 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2676 		ha->isp_type |= DT_ISP5432;
2677 		ha->device_type |= DT_FWI2;
2678 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2679 		break;
2680 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2681 		ha->isp_type |= DT_ISP2532;
2682 		ha->device_type |= DT_ZIO_SUPPORTED;
2683 		ha->device_type |= DT_FWI2;
2684 		ha->device_type |= DT_IIDMA;
2685 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2686 		break;
2687 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2688 		ha->isp_type |= DT_ISP8001;
2689 		ha->device_type |= DT_ZIO_SUPPORTED;
2690 		ha->device_type |= DT_FWI2;
2691 		ha->device_type |= DT_IIDMA;
2692 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2693 		break;
2694 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2695 		ha->isp_type |= DT_ISP8021;
2696 		ha->device_type |= DT_ZIO_SUPPORTED;
2697 		ha->device_type |= DT_FWI2;
2698 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2699 		/* Initialize 82XX ISP flags */
2700 		qla82xx_init_flags(ha);
2701 		break;
2702 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2703 		ha->isp_type |= DT_ISP8044;
2704 		ha->device_type |= DT_ZIO_SUPPORTED;
2705 		ha->device_type |= DT_FWI2;
2706 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2707 		/* Initialize 82XX ISP flags */
2708 		qla82xx_init_flags(ha);
2709 		break;
2710 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2711 		ha->isp_type |= DT_ISP2031;
2712 		ha->device_type |= DT_ZIO_SUPPORTED;
2713 		ha->device_type |= DT_FWI2;
2714 		ha->device_type |= DT_IIDMA;
2715 		ha->device_type |= DT_T10_PI;
2716 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2717 		break;
2718 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2719 		ha->isp_type |= DT_ISP8031;
2720 		ha->device_type |= DT_ZIO_SUPPORTED;
2721 		ha->device_type |= DT_FWI2;
2722 		ha->device_type |= DT_IIDMA;
2723 		ha->device_type |= DT_T10_PI;
2724 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2725 		break;
2726 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2727 		ha->isp_type |= DT_ISPFX00;
2728 		break;
2729 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2730 		ha->isp_type |= DT_ISP2071;
2731 		ha->device_type |= DT_ZIO_SUPPORTED;
2732 		ha->device_type |= DT_FWI2;
2733 		ha->device_type |= DT_IIDMA;
2734 		ha->device_type |= DT_T10_PI;
2735 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2736 		break;
2737 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2738 		ha->isp_type |= DT_ISP2271;
2739 		ha->device_type |= DT_ZIO_SUPPORTED;
2740 		ha->device_type |= DT_FWI2;
2741 		ha->device_type |= DT_IIDMA;
2742 		ha->device_type |= DT_T10_PI;
2743 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2744 		break;
2745 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2746 		ha->isp_type |= DT_ISP2261;
2747 		ha->device_type |= DT_ZIO_SUPPORTED;
2748 		ha->device_type |= DT_FWI2;
2749 		ha->device_type |= DT_IIDMA;
2750 		ha->device_type |= DT_T10_PI;
2751 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2752 		break;
2753 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2754 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2755 		ha->isp_type |= DT_ISP2081;
2756 		ha->device_type |= DT_ZIO_SUPPORTED;
2757 		ha->device_type |= DT_FWI2;
2758 		ha->device_type |= DT_IIDMA;
2759 		ha->device_type |= DT_T10_PI;
2760 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2761 		break;
2762 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2763 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2764 		ha->isp_type |= DT_ISP2281;
2765 		ha->device_type |= DT_ZIO_SUPPORTED;
2766 		ha->device_type |= DT_FWI2;
2767 		ha->device_type |= DT_IIDMA;
2768 		ha->device_type |= DT_T10_PI;
2769 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2770 		break;
2771 	}
2772 
2773 	if (IS_QLA82XX(ha))
2774 		ha->port_no = ha->portnum & 1;
2775 	else {
2776 		/* Get adapter physical port no from interrupt pin register. */
2777 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2778 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2779 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2780 			ha->port_no--;
2781 		else
2782 			ha->port_no = !(ha->port_no & 1);
2783 	}
2784 
2785 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2786 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2787 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2788 }
2789 
2790 static void
2791 qla2xxx_scan_start(struct Scsi_Host *shost)
2792 {
2793 	scsi_qla_host_t *vha = shost_priv(shost);
2794 
2795 	if (vha->hw->flags.running_gold_fw)
2796 		return;
2797 
2798 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2799 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2800 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2801 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2802 }
2803 
2804 static int
2805 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2806 {
2807 	scsi_qla_host_t *vha = shost_priv(shost);
2808 
2809 	if (test_bit(UNLOADING, &vha->dpc_flags))
2810 		return 1;
2811 	if (!vha->host)
2812 		return 1;
2813 	if (time > vha->hw->loop_reset_delay * HZ)
2814 		return 1;
2815 
2816 	return atomic_read(&vha->loop_state) == LOOP_READY;
2817 }
2818 
2819 static void qla_heartbeat_work_fn(struct work_struct *work)
2820 {
2821 	struct qla_hw_data *ha = container_of(work,
2822 		struct qla_hw_data, heartbeat_work);
2823 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2824 
2825 	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2826 		qla_no_op_mb(base_vha);
2827 }
2828 
2829 static void qla2x00_iocb_work_fn(struct work_struct *work)
2830 {
2831 	struct scsi_qla_host *vha = container_of(work,
2832 		struct scsi_qla_host, iocb_work);
2833 	struct qla_hw_data *ha = vha->hw;
2834 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2835 	int i = 2;
2836 	unsigned long flags;
2837 
2838 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2839 		return;
2840 
2841 	while (!list_empty(&vha->work_list) && i > 0) {
2842 		qla2x00_do_work(vha);
2843 		i--;
2844 	}
2845 
2846 	spin_lock_irqsave(&vha->work_lock, flags);
2847 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2848 	spin_unlock_irqrestore(&vha->work_lock, flags);
2849 }
2850 
2851 static void
2852 qla_trace_init(void)
2853 {
2854 	qla_trc_array = trace_array_get_by_name("qla2xxx");
2855 	if (!qla_trc_array) {
2856 		ql_log(ql_log_fatal, NULL, 0x0001,
2857 		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2858 		return;
2859 	}
2860 
2861 	QLA_TRACE_ENABLE(qla_trc_array);
2862 }
2863 
2864 static void
2865 qla_trace_uninit(void)
2866 {
2867 	if (!qla_trc_array)
2868 		return;
2869 	trace_array_put(qla_trc_array);
2870 }
2871 
2872 /*
2873  * PCI driver interface
2874  */
2875 static int
2876 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2877 {
2878 	int	ret = -ENODEV;
2879 	struct Scsi_Host *host;
2880 	scsi_qla_host_t *base_vha = NULL;
2881 	struct qla_hw_data *ha;
2882 	char pci_info[30];
2883 	char fw_str[30], wq_name[30];
2884 	struct scsi_host_template *sht;
2885 	int bars, mem_only = 0;
2886 	uint16_t req_length = 0, rsp_length = 0;
2887 	struct req_que *req = NULL;
2888 	struct rsp_que *rsp = NULL;
2889 	int i;
2890 
2891 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2892 	sht = &qla2xxx_driver_template;
2893 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2894 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2895 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2896 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2897 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2898 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2899 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2900 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2901 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2902 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2903 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2904 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2905 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2906 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2907 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2908 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2909 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2910 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2911 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2912 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2913 		mem_only = 1;
2914 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2915 		    "Mem only adapter.\n");
2916 	}
2917 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2918 	    "Bars=%d.\n", bars);
2919 
2920 	if (mem_only) {
2921 		if (pci_enable_device_mem(pdev))
2922 			return ret;
2923 	} else {
2924 		if (pci_enable_device(pdev))
2925 			return ret;
2926 	}
2927 
2928 	if (is_kdump_kernel()) {
2929 		ql2xmqsupport = 0;
2930 		ql2xallocfwdump = 0;
2931 	}
2932 
2933 	/* This may fail but that's ok */
2934 	pci_enable_pcie_error_reporting(pdev);
2935 
2936 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2937 	if (!ha) {
2938 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2939 		    "Unable to allocate memory for ha.\n");
2940 		goto disable_device;
2941 	}
2942 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2943 	    "Memory allocated for ha=%p.\n", ha);
2944 	ha->pdev = pdev;
2945 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2946 	spin_lock_init(&ha->tgt.q_full_lock);
2947 	spin_lock_init(&ha->tgt.sess_lock);
2948 	spin_lock_init(&ha->tgt.atio_lock);
2949 
2950 	spin_lock_init(&ha->sadb_lock);
2951 	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2952 	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2953 
2954 	spin_lock_init(&ha->sadb_fp_lock);
2955 
2956 	if (qla_edif_sadb_build_free_pool(ha)) {
2957 		kfree(ha);
2958 		goto  disable_device;
2959 	}
2960 
2961 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2962 
2963 	/* Clear our data area */
2964 	ha->bars = bars;
2965 	ha->mem_only = mem_only;
2966 	spin_lock_init(&ha->hardware_lock);
2967 	spin_lock_init(&ha->vport_slock);
2968 	mutex_init(&ha->selflogin_lock);
2969 	mutex_init(&ha->optrom_mutex);
2970 
2971 	/* Set ISP-type information. */
2972 	qla2x00_set_isp_flags(ha);
2973 
2974 	/* Set EEH reset type to fundamental if required by hba */
2975 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2976 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2977 		pdev->needs_freset = 1;
2978 
2979 	ha->prev_topology = 0;
2980 	ha->init_cb_size = sizeof(init_cb_t);
2981 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2982 	ha->optrom_size = OPTROM_SIZE_2300;
2983 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2984 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2985 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2986 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2987 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2988 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2989 
2990 	/* Assign ISP specific operations. */
2991 	if (IS_QLA2100(ha)) {
2992 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2993 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2994 		req_length = REQUEST_ENTRY_CNT_2100;
2995 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2996 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2997 		ha->gid_list_info_size = 4;
2998 		ha->flash_conf_off = ~0;
2999 		ha->flash_data_off = ~0;
3000 		ha->nvram_conf_off = ~0;
3001 		ha->nvram_data_off = ~0;
3002 		ha->isp_ops = &qla2100_isp_ops;
3003 	} else if (IS_QLA2200(ha)) {
3004 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3005 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3006 		req_length = REQUEST_ENTRY_CNT_2200;
3007 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3008 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3009 		ha->gid_list_info_size = 4;
3010 		ha->flash_conf_off = ~0;
3011 		ha->flash_data_off = ~0;
3012 		ha->nvram_conf_off = ~0;
3013 		ha->nvram_data_off = ~0;
3014 		ha->isp_ops = &qla2100_isp_ops;
3015 	} else if (IS_QLA23XX(ha)) {
3016 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3017 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3018 		req_length = REQUEST_ENTRY_CNT_2200;
3019 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3020 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3021 		ha->gid_list_info_size = 6;
3022 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3023 			ha->optrom_size = OPTROM_SIZE_2322;
3024 		ha->flash_conf_off = ~0;
3025 		ha->flash_data_off = ~0;
3026 		ha->nvram_conf_off = ~0;
3027 		ha->nvram_data_off = ~0;
3028 		ha->isp_ops = &qla2300_isp_ops;
3029 	} else if (IS_QLA24XX_TYPE(ha)) {
3030 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3031 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3032 		req_length = REQUEST_ENTRY_CNT_24XX;
3033 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3034 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3035 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3036 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3037 		ha->gid_list_info_size = 8;
3038 		ha->optrom_size = OPTROM_SIZE_24XX;
3039 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3040 		ha->isp_ops = &qla24xx_isp_ops;
3041 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3042 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3043 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3044 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3045 	} else if (IS_QLA25XX(ha)) {
3046 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3047 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3048 		req_length = REQUEST_ENTRY_CNT_24XX;
3049 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3050 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3051 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3052 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3053 		ha->gid_list_info_size = 8;
3054 		ha->optrom_size = OPTROM_SIZE_25XX;
3055 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3056 		ha->isp_ops = &qla25xx_isp_ops;
3057 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3058 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3059 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3060 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3061 	} else if (IS_QLA81XX(ha)) {
3062 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3063 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3064 		req_length = REQUEST_ENTRY_CNT_24XX;
3065 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3066 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3067 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3068 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3069 		ha->gid_list_info_size = 8;
3070 		ha->optrom_size = OPTROM_SIZE_81XX;
3071 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3072 		ha->isp_ops = &qla81xx_isp_ops;
3073 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3074 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3075 		ha->nvram_conf_off = ~0;
3076 		ha->nvram_data_off = ~0;
3077 	} else if (IS_QLA82XX(ha)) {
3078 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3079 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3080 		req_length = REQUEST_ENTRY_CNT_82XX;
3081 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3082 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3083 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3084 		ha->gid_list_info_size = 8;
3085 		ha->optrom_size = OPTROM_SIZE_82XX;
3086 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3087 		ha->isp_ops = &qla82xx_isp_ops;
3088 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3089 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3090 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3091 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3092 	} else if (IS_QLA8044(ha)) {
3093 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3094 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3095 		req_length = REQUEST_ENTRY_CNT_82XX;
3096 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3097 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3098 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3099 		ha->gid_list_info_size = 8;
3100 		ha->optrom_size = OPTROM_SIZE_83XX;
3101 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3102 		ha->isp_ops = &qla8044_isp_ops;
3103 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3104 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3105 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3106 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3107 	} else if (IS_QLA83XX(ha)) {
3108 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3109 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3110 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3111 		req_length = REQUEST_ENTRY_CNT_83XX;
3112 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3113 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3114 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3115 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3116 		ha->gid_list_info_size = 8;
3117 		ha->optrom_size = OPTROM_SIZE_83XX;
3118 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3119 		ha->isp_ops = &qla83xx_isp_ops;
3120 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3121 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3122 		ha->nvram_conf_off = ~0;
3123 		ha->nvram_data_off = ~0;
3124 	}  else if (IS_QLAFX00(ha)) {
3125 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3126 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3127 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3128 		req_length = REQUEST_ENTRY_CNT_FX00;
3129 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3130 		ha->isp_ops = &qlafx00_isp_ops;
3131 		ha->port_down_retry_count = 30; /* default value */
3132 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3133 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3134 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3135 		ha->mr.fw_hbt_en = 1;
3136 		ha->mr.host_info_resend = false;
3137 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3138 	} else if (IS_QLA27XX(ha)) {
3139 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3140 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3141 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3142 		req_length = REQUEST_ENTRY_CNT_83XX;
3143 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3144 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3145 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3146 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3147 		ha->gid_list_info_size = 8;
3148 		ha->optrom_size = OPTROM_SIZE_83XX;
3149 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3150 		ha->isp_ops = &qla27xx_isp_ops;
3151 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3152 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3153 		ha->nvram_conf_off = ~0;
3154 		ha->nvram_data_off = ~0;
3155 	} else if (IS_QLA28XX(ha)) {
3156 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3157 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3158 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3159 		req_length = REQUEST_ENTRY_CNT_83XX;
3160 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3161 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3162 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3163 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3164 		ha->gid_list_info_size = 8;
3165 		ha->optrom_size = OPTROM_SIZE_28XX;
3166 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3167 		ha->isp_ops = &qla27xx_isp_ops;
3168 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3169 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3170 		ha->nvram_conf_off = ~0;
3171 		ha->nvram_data_off = ~0;
3172 	}
3173 
3174 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3175 	    "mbx_count=%d, req_length=%d, "
3176 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3177 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3178 	    "max_fibre_devices=%d.\n",
3179 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3180 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3181 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3182 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3183 	    "isp_ops=%p, flash_conf_off=%d, "
3184 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3185 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3186 	    ha->nvram_conf_off, ha->nvram_data_off);
3187 
3188 	/* Configure PCI I/O space */
3189 	ret = ha->isp_ops->iospace_config(ha);
3190 	if (ret)
3191 		goto iospace_config_failed;
3192 
3193 	ql_log_pci(ql_log_info, pdev, 0x001d,
3194 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3195 	    pdev->device, pdev->irq, ha->iobase);
3196 	mutex_init(&ha->vport_lock);
3197 	mutex_init(&ha->mq_lock);
3198 	init_completion(&ha->mbx_cmd_comp);
3199 	complete(&ha->mbx_cmd_comp);
3200 	init_completion(&ha->mbx_intr_comp);
3201 	init_completion(&ha->dcbx_comp);
3202 	init_completion(&ha->lb_portup_comp);
3203 
3204 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3205 
3206 	qla2x00_config_dma_addressing(ha);
3207 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3208 	    "64 Bit addressing is %s.\n",
3209 	    ha->flags.enable_64bit_addressing ? "enable" :
3210 	    "disable");
3211 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3212 	if (ret) {
3213 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3214 		    "Failed to allocate memory for adapter, aborting.\n");
3215 
3216 		goto probe_hw_failed;
3217 	}
3218 
3219 	req->max_q_depth = MAX_Q_DEPTH;
3220 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3221 		req->max_q_depth = ql2xmaxqdepth;
3222 
3223 
3224 	base_vha = qla2x00_create_host(sht, ha);
3225 	if (!base_vha) {
3226 		ret = -ENOMEM;
3227 		goto probe_hw_failed;
3228 	}
3229 
3230 	pci_set_drvdata(pdev, base_vha);
3231 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3232 
3233 	host = base_vha->host;
3234 	base_vha->req = req;
3235 	if (IS_QLA2XXX_MIDTYPE(ha))
3236 		base_vha->mgmt_svr_loop_id =
3237 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3238 	else
3239 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3240 						base_vha->vp_idx;
3241 
3242 	/* Setup fcport template structure. */
3243 	ha->mr.fcport.vha = base_vha;
3244 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3245 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3246 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3247 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3248 	ha->mr.fcport.scan_state = 1;
3249 
3250 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3251 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3252 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3253 
3254 	/* Set the SG table size based on ISP type */
3255 	if (!IS_FWI2_CAPABLE(ha)) {
3256 		if (IS_QLA2100(ha))
3257 			host->sg_tablesize = 32;
3258 	} else {
3259 		if (!IS_QLA82XX(ha))
3260 			host->sg_tablesize = QLA_SG_ALL;
3261 	}
3262 	host->max_id = ha->max_fibre_devices;
3263 	host->cmd_per_lun = 3;
3264 	host->unique_id = host->host_no;
3265 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3266 		host->max_cmd_len = 32;
3267 	else
3268 		host->max_cmd_len = MAX_CMDSZ;
3269 	host->max_channel = MAX_BUSES - 1;
3270 	/* Older HBAs support only 16-bit LUNs */
3271 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3272 	    ql2xmaxlun > 0xffff)
3273 		host->max_lun = 0xffff;
3274 	else
3275 		host->max_lun = ql2xmaxlun;
3276 	host->transportt = qla2xxx_transport_template;
3277 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3278 
3279 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3280 	    "max_id=%d this_id=%d "
3281 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3282 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3283 	    host->this_id, host->cmd_per_lun, host->unique_id,
3284 	    host->max_cmd_len, host->max_channel, host->max_lun,
3285 	    host->transportt, sht->vendor_id);
3286 
3287 	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3288 
3289 	/* Set up the irqs */
3290 	ret = qla2x00_request_irqs(ha, rsp);
3291 	if (ret)
3292 		goto probe_failed;
3293 
3294 	/* Alloc arrays of request and response ring ptrs */
3295 	ret = qla2x00_alloc_queues(ha, req, rsp);
3296 	if (ret) {
3297 		ql_log(ql_log_fatal, base_vha, 0x003d,
3298 		    "Failed to allocate memory for queue pointers..."
3299 		    "aborting.\n");
3300 		ret = -ENODEV;
3301 		goto probe_failed;
3302 	}
3303 
3304 	if (ha->mqenable) {
3305 		/* number of hardware queues supported by blk/scsi-mq*/
3306 		host->nr_hw_queues = ha->max_qpairs;
3307 
3308 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3309 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3310 	} else {
3311 		if (ql2xnvmeenable) {
3312 			host->nr_hw_queues = ha->max_qpairs;
3313 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3314 			    "FC-NVMe support is enabled, HW queues=%d\n",
3315 			    host->nr_hw_queues);
3316 		} else {
3317 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3318 			    "blk/scsi-mq disabled.\n");
3319 		}
3320 	}
3321 
3322 	qlt_probe_one_stage1(base_vha, ha);
3323 
3324 	pci_save_state(pdev);
3325 
3326 	/* Assign back pointers */
3327 	rsp->req = req;
3328 	req->rsp = rsp;
3329 
3330 	if (IS_QLAFX00(ha)) {
3331 		ha->rsp_q_map[0] = rsp;
3332 		ha->req_q_map[0] = req;
3333 		set_bit(0, ha->req_qid_map);
3334 		set_bit(0, ha->rsp_qid_map);
3335 	}
3336 
3337 	/* FWI2-capable only. */
3338 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3339 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3340 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3341 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3342 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3343 	    IS_QLA28XX(ha)) {
3344 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3345 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3346 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3347 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3348 	}
3349 
3350 	if (IS_QLAFX00(ha)) {
3351 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3352 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3353 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3354 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3355 	}
3356 
3357 	if (IS_P3P_TYPE(ha)) {
3358 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3359 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3360 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3361 	}
3362 
3363 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3364 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3365 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3366 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3367 	    "req->req_q_in=%p req->req_q_out=%p "
3368 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3369 	    req->req_q_in, req->req_q_out,
3370 	    rsp->rsp_q_in, rsp->rsp_q_out);
3371 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3372 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3373 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3374 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3375 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3376 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3377 
3378 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3379 	if (unlikely(!ha->wq)) {
3380 		ret = -ENOMEM;
3381 		goto probe_failed;
3382 	}
3383 
3384 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3385 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3386 		    "Failed to initialize adapter - Adapter flags %x.\n",
3387 		    base_vha->device_flags);
3388 
3389 		if (IS_QLA82XX(ha)) {
3390 			qla82xx_idc_lock(ha);
3391 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3392 				QLA8XXX_DEV_FAILED);
3393 			qla82xx_idc_unlock(ha);
3394 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3395 			    "HW State: FAILED.\n");
3396 		} else if (IS_QLA8044(ha)) {
3397 			qla8044_idc_lock(ha);
3398 			qla8044_wr_direct(base_vha,
3399 				QLA8044_CRB_DEV_STATE_INDEX,
3400 				QLA8XXX_DEV_FAILED);
3401 			qla8044_idc_unlock(ha);
3402 			ql_log(ql_log_fatal, base_vha, 0x0150,
3403 			    "HW State: FAILED.\n");
3404 		}
3405 
3406 		ret = -ENODEV;
3407 		goto probe_failed;
3408 	}
3409 
3410 	if (IS_QLAFX00(ha))
3411 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3412 	else
3413 		host->can_queue = req->num_outstanding_cmds - 10;
3414 
3415 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3416 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3417 	    host->can_queue, base_vha->req,
3418 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3419 
3420 	/* Check if FW supports MQ or not for ISP25xx */
3421 	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3422 		ha->mqenable = 0;
3423 
3424 	if (ha->mqenable) {
3425 		bool startit = false;
3426 
3427 		if (QLA_TGT_MODE_ENABLED())
3428 			startit = false;
3429 
3430 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3431 			startit = true;
3432 
3433 		/* Create start of day qpairs for Block MQ */
3434 		for (i = 0; i < ha->max_qpairs; i++)
3435 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3436 	}
3437 	qla_init_iocb_limit(base_vha);
3438 
3439 	if (ha->flags.running_gold_fw)
3440 		goto skip_dpc;
3441 
3442 	/*
3443 	 * Startup the kernel thread for this host adapter
3444 	 */
3445 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3446 	    "%s_dpc", base_vha->host_str);
3447 	if (IS_ERR(ha->dpc_thread)) {
3448 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3449 		    "Failed to start DPC thread.\n");
3450 		ret = PTR_ERR(ha->dpc_thread);
3451 		ha->dpc_thread = NULL;
3452 		goto probe_failed;
3453 	}
3454 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3455 	    "DPC thread started successfully.\n");
3456 
3457 	/*
3458 	 * If we're not coming up in initiator mode, we might sit for
3459 	 * a while without waking up the dpc thread, which leads to a
3460 	 * stuck process warning.  So just kick the dpc once here and
3461 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3462 	 */
3463 	qla2xxx_wake_dpc(base_vha);
3464 
3465 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3466 
3467 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3468 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3469 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3470 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3471 
3472 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3473 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3474 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3475 		INIT_WORK(&ha->idc_state_handler,
3476 		    qla83xx_idc_state_handler_work);
3477 		INIT_WORK(&ha->nic_core_unrecoverable,
3478 		    qla83xx_nic_core_unrecoverable_work);
3479 	}
3480 
3481 skip_dpc:
3482 	list_add_tail(&base_vha->list, &ha->vp_list);
3483 	base_vha->host->irq = ha->pdev->irq;
3484 
3485 	/* Initialized the timer */
3486 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3487 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3488 	    "Started qla2x00_timer with "
3489 	    "interval=%d.\n", WATCH_INTERVAL);
3490 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3491 	    "Detected hba at address=%p.\n",
3492 	    ha);
3493 
3494 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3495 		if (ha->fw_attributes & BIT_4) {
3496 			int prot = 0, guard;
3497 
3498 			base_vha->flags.difdix_supported = 1;
3499 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3500 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3501 			if (ql2xenabledif == 1)
3502 				prot = SHOST_DIX_TYPE0_PROTECTION;
3503 			if (ql2xprotmask)
3504 				scsi_host_set_prot(host, ql2xprotmask);
3505 			else
3506 				scsi_host_set_prot(host,
3507 				    prot | SHOST_DIF_TYPE1_PROTECTION
3508 				    | SHOST_DIF_TYPE2_PROTECTION
3509 				    | SHOST_DIF_TYPE3_PROTECTION
3510 				    | SHOST_DIX_TYPE1_PROTECTION
3511 				    | SHOST_DIX_TYPE2_PROTECTION
3512 				    | SHOST_DIX_TYPE3_PROTECTION);
3513 
3514 			guard = SHOST_DIX_GUARD_CRC;
3515 
3516 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3517 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3518 				guard |= SHOST_DIX_GUARD_IP;
3519 
3520 			if (ql2xprotguard)
3521 				scsi_host_set_guard(host, ql2xprotguard);
3522 			else
3523 				scsi_host_set_guard(host, guard);
3524 		} else
3525 			base_vha->flags.difdix_supported = 0;
3526 	}
3527 
3528 	ha->isp_ops->enable_intrs(ha);
3529 
3530 	if (IS_QLAFX00(ha)) {
3531 		ret = qlafx00_fx_disc(base_vha,
3532 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3533 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3534 		    QLA_SG_ALL : 128;
3535 	}
3536 
3537 	ret = scsi_add_host(host, &pdev->dev);
3538 	if (ret)
3539 		goto probe_failed;
3540 
3541 	base_vha->flags.init_done = 1;
3542 	base_vha->flags.online = 1;
3543 	ha->prev_minidump_failed = 0;
3544 
3545 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3546 	    "Init done and hba is online.\n");
3547 
3548 	if (qla_ini_mode_enabled(base_vha) ||
3549 		qla_dual_mode_enabled(base_vha))
3550 		scsi_scan_host(host);
3551 	else
3552 		ql_log(ql_log_info, base_vha, 0x0122,
3553 			"skipping scsi_scan_host() for non-initiator port\n");
3554 
3555 	qla2x00_alloc_sysfs_attr(base_vha);
3556 
3557 	if (IS_QLAFX00(ha)) {
3558 		ret = qlafx00_fx_disc(base_vha,
3559 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3560 
3561 		/* Register system information */
3562 		ret =  qlafx00_fx_disc(base_vha,
3563 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3564 	}
3565 
3566 	qla2x00_init_host_attr(base_vha);
3567 
3568 	qla2x00_dfs_setup(base_vha);
3569 
3570 	ql_log(ql_log_info, base_vha, 0x00fb,
3571 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3572 	ql_log(ql_log_info, base_vha, 0x00fc,
3573 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3574 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3575 						       sizeof(pci_info)),
3576 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3577 	    base_vha->host_no,
3578 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3579 
3580 	qlt_add_target(ha, base_vha);
3581 
3582 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3583 
3584 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3585 		return -ENODEV;
3586 
3587 	return 0;
3588 
3589 probe_failed:
3590 	qla_enode_stop(base_vha);
3591 	qla_edb_stop(base_vha);
3592 	if (base_vha->gnl.l) {
3593 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3594 				base_vha->gnl.l, base_vha->gnl.ldma);
3595 		base_vha->gnl.l = NULL;
3596 	}
3597 
3598 	if (base_vha->timer_active)
3599 		qla2x00_stop_timer(base_vha);
3600 	base_vha->flags.online = 0;
3601 	if (ha->dpc_thread) {
3602 		struct task_struct *t = ha->dpc_thread;
3603 
3604 		ha->dpc_thread = NULL;
3605 		kthread_stop(t);
3606 	}
3607 
3608 	qla2x00_free_device(base_vha);
3609 	scsi_host_put(base_vha->host);
3610 	/*
3611 	 * Need to NULL out local req/rsp after
3612 	 * qla2x00_free_device => qla2x00_free_queues frees
3613 	 * what these are pointing to. Or else we'll
3614 	 * fall over below in qla2x00_free_req/rsp_que.
3615 	 */
3616 	req = NULL;
3617 	rsp = NULL;
3618 
3619 probe_hw_failed:
3620 	qla2x00_mem_free(ha);
3621 	qla2x00_free_req_que(ha, req);
3622 	qla2x00_free_rsp_que(ha, rsp);
3623 	qla2x00_clear_drv_active(ha);
3624 
3625 iospace_config_failed:
3626 	if (IS_P3P_TYPE(ha)) {
3627 		if (!ha->nx_pcibase)
3628 			iounmap((device_reg_t *)ha->nx_pcibase);
3629 		if (!ql2xdbwr)
3630 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3631 	} else {
3632 		if (ha->iobase)
3633 			iounmap(ha->iobase);
3634 		if (ha->cregbase)
3635 			iounmap(ha->cregbase);
3636 	}
3637 	pci_release_selected_regions(ha->pdev, ha->bars);
3638 	kfree(ha);
3639 
3640 disable_device:
3641 	pci_disable_device(pdev);
3642 	return ret;
3643 }
3644 
3645 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3646 {
3647 	scsi_qla_host_t *vp;
3648 	unsigned long flags;
3649 	struct qla_hw_data *ha;
3650 
3651 	if (!base_vha)
3652 		return;
3653 
3654 	ha = base_vha->hw;
3655 
3656 	spin_lock_irqsave(&ha->vport_slock, flags);
3657 	list_for_each_entry(vp, &ha->vp_list, list)
3658 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3659 
3660 	/*
3661 	 * Indicate device removal to prevent future board_disable
3662 	 * and wait until any pending board_disable has completed.
3663 	 */
3664 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3665 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3666 }
3667 
3668 static void
3669 qla2x00_shutdown(struct pci_dev *pdev)
3670 {
3671 	scsi_qla_host_t *vha;
3672 	struct qla_hw_data  *ha;
3673 
3674 	vha = pci_get_drvdata(pdev);
3675 	ha = vha->hw;
3676 
3677 	ql_log(ql_log_info, vha, 0xfffa,
3678 		"Adapter shutdown\n");
3679 
3680 	/*
3681 	 * Prevent future board_disable and wait
3682 	 * until any pending board_disable has completed.
3683 	 */
3684 	__qla_set_remove_flag(vha);
3685 	cancel_work_sync(&ha->board_disable);
3686 
3687 	if (!atomic_read(&pdev->enable_cnt))
3688 		return;
3689 
3690 	/* Notify ISPFX00 firmware */
3691 	if (IS_QLAFX00(ha))
3692 		qlafx00_driver_shutdown(vha, 20);
3693 
3694 	/* Turn-off FCE trace */
3695 	if (ha->flags.fce_enabled) {
3696 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3697 		ha->flags.fce_enabled = 0;
3698 	}
3699 
3700 	/* Turn-off EFT trace */
3701 	if (ha->eft)
3702 		qla2x00_disable_eft_trace(vha);
3703 
3704 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3705 	    IS_QLA28XX(ha)) {
3706 		if (ha->flags.fw_started)
3707 			qla2x00_abort_isp_cleanup(vha);
3708 	} else {
3709 		/* Stop currently executing firmware. */
3710 		qla2x00_try_to_stop_firmware(vha);
3711 	}
3712 
3713 	/* Disable timer */
3714 	if (vha->timer_active)
3715 		qla2x00_stop_timer(vha);
3716 
3717 	/* Turn adapter off line */
3718 	vha->flags.online = 0;
3719 
3720 	/* turn-off interrupts on the card */
3721 	if (ha->interrupts_on) {
3722 		vha->flags.init_done = 0;
3723 		ha->isp_ops->disable_intrs(ha);
3724 	}
3725 
3726 	qla2x00_free_irqs(vha);
3727 
3728 	qla2x00_free_fw_dump(ha);
3729 
3730 	pci_disable_device(pdev);
3731 	ql_log(ql_log_info, vha, 0xfffe,
3732 		"Adapter shutdown successfully.\n");
3733 }
3734 
3735 /* Deletes all the virtual ports for a given ha */
3736 static void
3737 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3738 {
3739 	scsi_qla_host_t *vha;
3740 	unsigned long flags;
3741 
3742 	mutex_lock(&ha->vport_lock);
3743 	while (ha->cur_vport_count) {
3744 		spin_lock_irqsave(&ha->vport_slock, flags);
3745 
3746 		BUG_ON(base_vha->list.next == &ha->vp_list);
3747 		/* This assumes first entry in ha->vp_list is always base vha */
3748 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3749 		scsi_host_get(vha->host);
3750 
3751 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3752 		mutex_unlock(&ha->vport_lock);
3753 
3754 		qla_nvme_delete(vha);
3755 
3756 		fc_vport_terminate(vha->fc_vport);
3757 		scsi_host_put(vha->host);
3758 
3759 		mutex_lock(&ha->vport_lock);
3760 	}
3761 	mutex_unlock(&ha->vport_lock);
3762 }
3763 
3764 /* Stops all deferred work threads */
3765 static void
3766 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3767 {
3768 	/* Cancel all work and destroy DPC workqueues */
3769 	if (ha->dpc_lp_wq) {
3770 		cancel_work_sync(&ha->idc_aen);
3771 		destroy_workqueue(ha->dpc_lp_wq);
3772 		ha->dpc_lp_wq = NULL;
3773 	}
3774 
3775 	if (ha->dpc_hp_wq) {
3776 		cancel_work_sync(&ha->nic_core_reset);
3777 		cancel_work_sync(&ha->idc_state_handler);
3778 		cancel_work_sync(&ha->nic_core_unrecoverable);
3779 		destroy_workqueue(ha->dpc_hp_wq);
3780 		ha->dpc_hp_wq = NULL;
3781 	}
3782 
3783 	/* Kill the kernel thread for this host */
3784 	if (ha->dpc_thread) {
3785 		struct task_struct *t = ha->dpc_thread;
3786 
3787 		/*
3788 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3789 		 * so we need to zero it out.
3790 		 */
3791 		ha->dpc_thread = NULL;
3792 		kthread_stop(t);
3793 	}
3794 }
3795 
3796 static void
3797 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3798 {
3799 	if (IS_QLA82XX(ha)) {
3800 
3801 		iounmap((device_reg_t *)ha->nx_pcibase);
3802 		if (!ql2xdbwr)
3803 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3804 	} else {
3805 		if (ha->iobase)
3806 			iounmap(ha->iobase);
3807 
3808 		if (ha->cregbase)
3809 			iounmap(ha->cregbase);
3810 
3811 		if (ha->mqiobase)
3812 			iounmap(ha->mqiobase);
3813 
3814 		if (ha->msixbase)
3815 			iounmap(ha->msixbase);
3816 	}
3817 }
3818 
3819 static void
3820 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3821 {
3822 	if (IS_QLA8044(ha)) {
3823 		qla8044_idc_lock(ha);
3824 		qla8044_clear_drv_active(ha);
3825 		qla8044_idc_unlock(ha);
3826 	} else if (IS_QLA82XX(ha)) {
3827 		qla82xx_idc_lock(ha);
3828 		qla82xx_clear_drv_active(ha);
3829 		qla82xx_idc_unlock(ha);
3830 	}
3831 }
3832 
3833 static void
3834 qla2x00_remove_one(struct pci_dev *pdev)
3835 {
3836 	scsi_qla_host_t *base_vha;
3837 	struct qla_hw_data  *ha;
3838 
3839 	base_vha = pci_get_drvdata(pdev);
3840 	ha = base_vha->hw;
3841 	ql_log(ql_log_info, base_vha, 0xb079,
3842 	    "Removing driver\n");
3843 	__qla_set_remove_flag(base_vha);
3844 	cancel_work_sync(&ha->board_disable);
3845 
3846 	/*
3847 	 * If the PCI device is disabled then there was a PCI-disconnect and
3848 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3849 	 * resources.
3850 	 */
3851 	if (!atomic_read(&pdev->enable_cnt)) {
3852 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3853 		    base_vha->gnl.l, base_vha->gnl.ldma);
3854 		base_vha->gnl.l = NULL;
3855 		scsi_host_put(base_vha->host);
3856 		kfree(ha);
3857 		pci_set_drvdata(pdev, NULL);
3858 		return;
3859 	}
3860 	qla2x00_wait_for_hba_ready(base_vha);
3861 
3862 	/*
3863 	 * if UNLOADING flag is already set, then continue unload,
3864 	 * where it was set first.
3865 	 */
3866 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3867 		return;
3868 
3869 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3870 	    IS_QLA28XX(ha)) {
3871 		if (ha->flags.fw_started)
3872 			qla2x00_abort_isp_cleanup(base_vha);
3873 	} else if (!IS_QLAFX00(ha)) {
3874 		if (IS_QLA8031(ha)) {
3875 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3876 			    "Clearing fcoe driver presence.\n");
3877 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3878 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3879 				    "Error while clearing DRV-Presence.\n");
3880 		}
3881 
3882 		qla2x00_try_to_stop_firmware(base_vha);
3883 	}
3884 
3885 	qla2x00_wait_for_sess_deletion(base_vha);
3886 
3887 	qla_nvme_delete(base_vha);
3888 
3889 	dma_free_coherent(&ha->pdev->dev,
3890 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3891 
3892 	base_vha->gnl.l = NULL;
3893 	qla_enode_stop(base_vha);
3894 	qla_edb_stop(base_vha);
3895 
3896 	vfree(base_vha->scan.l);
3897 
3898 	if (IS_QLAFX00(ha))
3899 		qlafx00_driver_shutdown(base_vha, 20);
3900 
3901 	qla2x00_delete_all_vps(ha, base_vha);
3902 
3903 	qla2x00_dfs_remove(base_vha);
3904 
3905 	qla84xx_put_chip(base_vha);
3906 
3907 	/* Disable timer */
3908 	if (base_vha->timer_active)
3909 		qla2x00_stop_timer(base_vha);
3910 
3911 	base_vha->flags.online = 0;
3912 
3913 	/* free DMA memory */
3914 	if (ha->exlogin_buf)
3915 		qla2x00_free_exlogin_buffer(ha);
3916 
3917 	/* free DMA memory */
3918 	if (ha->exchoffld_buf)
3919 		qla2x00_free_exchoffld_buffer(ha);
3920 
3921 	qla2x00_destroy_deferred_work(ha);
3922 
3923 	qlt_remove_target(ha, base_vha);
3924 
3925 	qla2x00_free_sysfs_attr(base_vha, true);
3926 
3927 	fc_remove_host(base_vha->host);
3928 
3929 	scsi_remove_host(base_vha->host);
3930 
3931 	qla2x00_free_device(base_vha);
3932 
3933 	qla2x00_clear_drv_active(ha);
3934 
3935 	scsi_host_put(base_vha->host);
3936 
3937 	qla2x00_unmap_iobases(ha);
3938 
3939 	pci_release_selected_regions(ha->pdev, ha->bars);
3940 	kfree(ha);
3941 
3942 	pci_disable_pcie_error_reporting(pdev);
3943 
3944 	pci_disable_device(pdev);
3945 }
3946 
3947 static inline void
3948 qla24xx_free_purex_list(struct purex_list *list)
3949 {
3950 	struct purex_item *item, *next;
3951 	ulong flags;
3952 
3953 	spin_lock_irqsave(&list->lock, flags);
3954 	list_for_each_entry_safe(item, next, &list->head, list) {
3955 		list_del(&item->list);
3956 		if (item == &item->vha->default_item)
3957 			continue;
3958 		kfree(item);
3959 	}
3960 	spin_unlock_irqrestore(&list->lock, flags);
3961 }
3962 
3963 static void
3964 qla2x00_free_device(scsi_qla_host_t *vha)
3965 {
3966 	struct qla_hw_data *ha = vha->hw;
3967 
3968 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3969 
3970 	/* Disable timer */
3971 	if (vha->timer_active)
3972 		qla2x00_stop_timer(vha);
3973 
3974 	qla25xx_delete_queues(vha);
3975 	vha->flags.online = 0;
3976 
3977 	/* turn-off interrupts on the card */
3978 	if (ha->interrupts_on) {
3979 		vha->flags.init_done = 0;
3980 		ha->isp_ops->disable_intrs(ha);
3981 	}
3982 
3983 	qla2x00_free_fcports(vha);
3984 
3985 	qla2x00_free_irqs(vha);
3986 
3987 	/* Flush the work queue and remove it */
3988 	if (ha->wq) {
3989 		destroy_workqueue(ha->wq);
3990 		ha->wq = NULL;
3991 	}
3992 
3993 
3994 	qla24xx_free_purex_list(&vha->purex_list);
3995 
3996 	qla2x00_mem_free(ha);
3997 
3998 	qla82xx_md_free(vha);
3999 
4000 	qla_edif_sadb_release_free_pool(ha);
4001 	qla_edif_sadb_release(ha);
4002 
4003 	qla2x00_free_queues(ha);
4004 }
4005 
4006 void qla2x00_free_fcports(struct scsi_qla_host *vha)
4007 {
4008 	fc_port_t *fcport, *tfcport;
4009 
4010 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4011 		qla2x00_free_fcport(fcport);
4012 }
4013 
4014 static inline void
4015 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4016 {
4017 	int now;
4018 
4019 	if (!fcport->rport)
4020 		return;
4021 
4022 	if (fcport->rport) {
4023 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4024 		    "%s %8phN. rport %p roles %x\n",
4025 		    __func__, fcport->port_name, fcport->rport,
4026 		    fcport->rport->roles);
4027 		fc_remote_port_delete(fcport->rport);
4028 	}
4029 	qlt_do_generation_tick(vha, &now);
4030 }
4031 
4032 /*
4033  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4034  *
4035  * Input: ha = adapter block pointer.  fcport = port structure pointer.
4036  *
4037  * Return: None.
4038  *
4039  * Context:
4040  */
4041 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4042     int do_login)
4043 {
4044 	if (IS_QLAFX00(vha->hw)) {
4045 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4046 		qla2x00_schedule_rport_del(vha, fcport);
4047 		return;
4048 	}
4049 
4050 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4051 	    vha->vp_idx == fcport->vha->vp_idx) {
4052 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4053 		qla2x00_schedule_rport_del(vha, fcport);
4054 	}
4055 
4056 	/*
4057 	 * We may need to retry the login, so don't change the state of the
4058 	 * port but do the retries.
4059 	 */
4060 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4061 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4062 
4063 	if (!do_login)
4064 		return;
4065 
4066 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4067 }
4068 
4069 void
4070 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4071 {
4072 	fc_port_t *fcport;
4073 
4074 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4075 	    "Mark all dev lost\n");
4076 
4077 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4078 		if (fcport->loop_id != FC_NO_LOOP_ID &&
4079 		    (fcport->flags & FCF_FCP2_DEVICE) &&
4080 		    fcport->port_type == FCT_TARGET &&
4081 		    !qla2x00_reset_active(vha)) {
4082 			ql_dbg(ql_dbg_disc, vha, 0x211a,
4083 			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4084 			       fcport->flags, fcport->port_type,
4085 			       fcport->d_id.b24, fcport->port_name);
4086 			continue;
4087 		}
4088 		fcport->scan_state = 0;
4089 		qlt_schedule_sess_for_deletion(fcport);
4090 	}
4091 }
4092 
4093 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4094 {
4095 	int i;
4096 
4097 	if (IS_FWI2_CAPABLE(ha))
4098 		return;
4099 
4100 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4101 		set_bit(i, ha->loop_id_map);
4102 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4103 	set_bit(BROADCAST, ha->loop_id_map);
4104 }
4105 
4106 /*
4107 * qla2x00_mem_alloc
4108 *      Allocates adapter memory.
4109 *
4110 * Returns:
4111 *      0  = success.
4112 *      !0  = failure.
4113 */
4114 static int
4115 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4116 	struct req_que **req, struct rsp_que **rsp)
4117 {
4118 	char	name[16];
4119 	int rc;
4120 
4121 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4122 		&ha->init_cb_dma, GFP_KERNEL);
4123 	if (!ha->init_cb)
4124 		goto fail;
4125 
4126 	rc = btree_init32(&ha->host_map);
4127 	if (rc)
4128 		goto fail_free_init_cb;
4129 
4130 	if (qlt_mem_alloc(ha) < 0)
4131 		goto fail_free_btree;
4132 
4133 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4134 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4135 	if (!ha->gid_list)
4136 		goto fail_free_tgt_mem;
4137 
4138 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4139 	if (!ha->srb_mempool)
4140 		goto fail_free_gid_list;
4141 
4142 	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4143 		/* Allocate cache for CT6 Ctx. */
4144 		if (!ctx_cachep) {
4145 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4146 				sizeof(struct ct6_dsd), 0,
4147 				SLAB_HWCACHE_ALIGN, NULL);
4148 			if (!ctx_cachep)
4149 				goto fail_free_srb_mempool;
4150 		}
4151 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4152 			ctx_cachep);
4153 		if (!ha->ctx_mempool)
4154 			goto fail_free_srb_mempool;
4155 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4156 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4157 		    ctx_cachep, ha->ctx_mempool);
4158 	}
4159 
4160 	/* Get memory for cached NVRAM */
4161 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4162 	if (!ha->nvram)
4163 		goto fail_free_ctx_mempool;
4164 
4165 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4166 		ha->pdev->device);
4167 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4168 		DMA_POOL_SIZE, 8, 0);
4169 	if (!ha->s_dma_pool)
4170 		goto fail_free_nvram;
4171 
4172 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4173 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4174 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4175 
4176 	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4177 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4178 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4179 		if (!ha->dl_dma_pool) {
4180 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4181 			    "Failed to allocate memory for dl_dma_pool.\n");
4182 			goto fail_s_dma_pool;
4183 		}
4184 
4185 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4186 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4187 		if (!ha->fcp_cmnd_dma_pool) {
4188 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4189 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4190 			goto fail_dl_dma_pool;
4191 		}
4192 
4193 		if (ql2xenabledif) {
4194 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4195 			struct dsd_dma *dsd, *nxt;
4196 			uint i;
4197 			/* Creata a DMA pool of buffers for DIF bundling */
4198 			ha->dif_bundl_pool = dma_pool_create(name,
4199 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4200 			if (!ha->dif_bundl_pool) {
4201 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4202 				    "%s: failed create dif_bundl_pool\n",
4203 				    __func__);
4204 				goto fail_dif_bundl_dma_pool;
4205 			}
4206 
4207 			INIT_LIST_HEAD(&ha->pool.good.head);
4208 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4209 			ha->pool.good.count = 0;
4210 			ha->pool.unusable.count = 0;
4211 			for (i = 0; i < 128; i++) {
4212 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4213 				if (!dsd) {
4214 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4215 					    0xe0ee, "%s: failed alloc dsd\n",
4216 					    __func__);
4217 					return -ENOMEM;
4218 				}
4219 				ha->dif_bundle_kallocs++;
4220 
4221 				dsd->dsd_addr = dma_pool_alloc(
4222 				    ha->dif_bundl_pool, GFP_ATOMIC,
4223 				    &dsd->dsd_list_dma);
4224 				if (!dsd->dsd_addr) {
4225 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4226 					    0xe0ee,
4227 					    "%s: failed alloc ->dsd_addr\n",
4228 					    __func__);
4229 					kfree(dsd);
4230 					ha->dif_bundle_kallocs--;
4231 					continue;
4232 				}
4233 				ha->dif_bundle_dma_allocs++;
4234 
4235 				/*
4236 				 * if DMA buffer crosses 4G boundary,
4237 				 * put it on bad list
4238 				 */
4239 				if (MSD(dsd->dsd_list_dma) ^
4240 				    MSD(dsd->dsd_list_dma + bufsize)) {
4241 					list_add_tail(&dsd->list,
4242 					    &ha->pool.unusable.head);
4243 					ha->pool.unusable.count++;
4244 				} else {
4245 					list_add_tail(&dsd->list,
4246 					    &ha->pool.good.head);
4247 					ha->pool.good.count++;
4248 				}
4249 			}
4250 
4251 			/* return the good ones back to the pool */
4252 			list_for_each_entry_safe(dsd, nxt,
4253 			    &ha->pool.good.head, list) {
4254 				list_del(&dsd->list);
4255 				dma_pool_free(ha->dif_bundl_pool,
4256 				    dsd->dsd_addr, dsd->dsd_list_dma);
4257 				ha->dif_bundle_dma_allocs--;
4258 				kfree(dsd);
4259 				ha->dif_bundle_kallocs--;
4260 			}
4261 
4262 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4263 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4264 			    __func__, ha->pool.good.count,
4265 			    ha->pool.unusable.count);
4266 		}
4267 
4268 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4269 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4270 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4271 		    ha->dif_bundl_pool);
4272 	}
4273 
4274 	/* Allocate memory for SNS commands */
4275 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4276 	/* Get consistent memory allocated for SNS commands */
4277 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4278 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4279 		if (!ha->sns_cmd)
4280 			goto fail_dma_pool;
4281 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4282 		    "sns_cmd: %p.\n", ha->sns_cmd);
4283 	} else {
4284 	/* Get consistent memory allocated for MS IOCB */
4285 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4286 			&ha->ms_iocb_dma);
4287 		if (!ha->ms_iocb)
4288 			goto fail_dma_pool;
4289 	/* Get consistent memory allocated for CT SNS commands */
4290 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4291 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4292 		if (!ha->ct_sns)
4293 			goto fail_free_ms_iocb;
4294 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4295 		    "ms_iocb=%p ct_sns=%p.\n",
4296 		    ha->ms_iocb, ha->ct_sns);
4297 	}
4298 
4299 	/* Allocate memory for request ring */
4300 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4301 	if (!*req) {
4302 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4303 		    "Failed to allocate memory for req.\n");
4304 		goto fail_req;
4305 	}
4306 	(*req)->length = req_len;
4307 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4308 		((*req)->length + 1) * sizeof(request_t),
4309 		&(*req)->dma, GFP_KERNEL);
4310 	if (!(*req)->ring) {
4311 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4312 		    "Failed to allocate memory for req_ring.\n");
4313 		goto fail_req_ring;
4314 	}
4315 	/* Allocate memory for response ring */
4316 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4317 	if (!*rsp) {
4318 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4319 		    "Failed to allocate memory for rsp.\n");
4320 		goto fail_rsp;
4321 	}
4322 	(*rsp)->hw = ha;
4323 	(*rsp)->length = rsp_len;
4324 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4325 		((*rsp)->length + 1) * sizeof(response_t),
4326 		&(*rsp)->dma, GFP_KERNEL);
4327 	if (!(*rsp)->ring) {
4328 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4329 		    "Failed to allocate memory for rsp_ring.\n");
4330 		goto fail_rsp_ring;
4331 	}
4332 	(*req)->rsp = *rsp;
4333 	(*rsp)->req = *req;
4334 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4335 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4336 	    "rsp->length=%d rsp->ring=%p.\n",
4337 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4338 	    (*rsp)->ring);
4339 	/* Allocate memory for NVRAM data for vports */
4340 	if (ha->nvram_npiv_size) {
4341 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4342 					sizeof(struct qla_npiv_entry),
4343 					GFP_KERNEL);
4344 		if (!ha->npiv_info) {
4345 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4346 			    "Failed to allocate memory for npiv_info.\n");
4347 			goto fail_npiv_info;
4348 		}
4349 	} else
4350 		ha->npiv_info = NULL;
4351 
4352 	/* Get consistent memory allocated for EX-INIT-CB. */
4353 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4354 	    IS_QLA28XX(ha)) {
4355 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4356 		    &ha->ex_init_cb_dma);
4357 		if (!ha->ex_init_cb)
4358 			goto fail_ex_init_cb;
4359 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4360 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4361 	}
4362 
4363 	/* Get consistent memory allocated for Special Features-CB. */
4364 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4365 		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4366 						&ha->sf_init_cb_dma);
4367 		if (!ha->sf_init_cb)
4368 			goto fail_sf_init_cb;
4369 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4370 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4371 	}
4372 
4373 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4374 
4375 	/* Get consistent memory allocated for Async Port-Database. */
4376 	if (!IS_FWI2_CAPABLE(ha)) {
4377 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4378 			&ha->async_pd_dma);
4379 		if (!ha->async_pd)
4380 			goto fail_async_pd;
4381 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4382 		    "async_pd=%p.\n", ha->async_pd);
4383 	}
4384 
4385 	INIT_LIST_HEAD(&ha->vp_list);
4386 
4387 	/* Allocate memory for our loop_id bitmap */
4388 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4389 				  sizeof(long),
4390 				  GFP_KERNEL);
4391 	if (!ha->loop_id_map)
4392 		goto fail_loop_id_map;
4393 	else {
4394 		qla2x00_set_reserved_loop_ids(ha);
4395 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4396 		    "loop_id_map=%p.\n", ha->loop_id_map);
4397 	}
4398 
4399 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4400 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4401 	if (!ha->sfp_data) {
4402 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4403 		    "Unable to allocate memory for SFP read-data.\n");
4404 		goto fail_sfp_data;
4405 	}
4406 
4407 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4408 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4409 	    GFP_KERNEL);
4410 	if (!ha->flt) {
4411 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4412 		    "Unable to allocate memory for FLT.\n");
4413 		goto fail_flt_buffer;
4414 	}
4415 
4416 	/* allocate the purex dma pool */
4417 	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4418 	    ELS_MAX_PAYLOAD, 8, 0);
4419 
4420 	if (!ha->purex_dma_pool) {
4421 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4422 		    "Unable to allocate purex_dma_pool.\n");
4423 		goto fail_flt;
4424 	}
4425 
4426 	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4427 	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4428 	    ha->elsrej.size, &ha->elsrej.cdma, GFP_KERNEL);
4429 
4430 	if (!ha->elsrej.c) {
4431 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4432 		    "Alloc failed for els reject cmd.\n");
4433 		goto fail_elsrej;
4434 	}
4435 	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4436 	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4437 	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4438 	return 0;
4439 
4440 fail_elsrej:
4441 	dma_pool_destroy(ha->purex_dma_pool);
4442 fail_flt:
4443 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4444 	    ha->flt, ha->flt_dma);
4445 
4446 fail_flt_buffer:
4447 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4448 	    ha->sfp_data, ha->sfp_data_dma);
4449 fail_sfp_data:
4450 	kfree(ha->loop_id_map);
4451 fail_loop_id_map:
4452 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4453 fail_async_pd:
4454 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4455 fail_sf_init_cb:
4456 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4457 fail_ex_init_cb:
4458 	kfree(ha->npiv_info);
4459 fail_npiv_info:
4460 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4461 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4462 	(*rsp)->ring = NULL;
4463 	(*rsp)->dma = 0;
4464 fail_rsp_ring:
4465 	kfree(*rsp);
4466 	*rsp = NULL;
4467 fail_rsp:
4468 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4469 		sizeof(request_t), (*req)->ring, (*req)->dma);
4470 	(*req)->ring = NULL;
4471 	(*req)->dma = 0;
4472 fail_req_ring:
4473 	kfree(*req);
4474 	*req = NULL;
4475 fail_req:
4476 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4477 		ha->ct_sns, ha->ct_sns_dma);
4478 	ha->ct_sns = NULL;
4479 	ha->ct_sns_dma = 0;
4480 fail_free_ms_iocb:
4481 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4482 	ha->ms_iocb = NULL;
4483 	ha->ms_iocb_dma = 0;
4484 
4485 	if (ha->sns_cmd)
4486 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4487 		    ha->sns_cmd, ha->sns_cmd_dma);
4488 fail_dma_pool:
4489 	if (ql2xenabledif) {
4490 		struct dsd_dma *dsd, *nxt;
4491 
4492 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4493 		    list) {
4494 			list_del(&dsd->list);
4495 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4496 			    dsd->dsd_list_dma);
4497 			ha->dif_bundle_dma_allocs--;
4498 			kfree(dsd);
4499 			ha->dif_bundle_kallocs--;
4500 			ha->pool.unusable.count--;
4501 		}
4502 		dma_pool_destroy(ha->dif_bundl_pool);
4503 		ha->dif_bundl_pool = NULL;
4504 	}
4505 
4506 fail_dif_bundl_dma_pool:
4507 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4508 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4509 		ha->fcp_cmnd_dma_pool = NULL;
4510 	}
4511 fail_dl_dma_pool:
4512 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4513 		dma_pool_destroy(ha->dl_dma_pool);
4514 		ha->dl_dma_pool = NULL;
4515 	}
4516 fail_s_dma_pool:
4517 	dma_pool_destroy(ha->s_dma_pool);
4518 	ha->s_dma_pool = NULL;
4519 fail_free_nvram:
4520 	kfree(ha->nvram);
4521 	ha->nvram = NULL;
4522 fail_free_ctx_mempool:
4523 	mempool_destroy(ha->ctx_mempool);
4524 	ha->ctx_mempool = NULL;
4525 fail_free_srb_mempool:
4526 	mempool_destroy(ha->srb_mempool);
4527 	ha->srb_mempool = NULL;
4528 fail_free_gid_list:
4529 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4530 	ha->gid_list,
4531 	ha->gid_list_dma);
4532 	ha->gid_list = NULL;
4533 	ha->gid_list_dma = 0;
4534 fail_free_tgt_mem:
4535 	qlt_mem_free(ha);
4536 fail_free_btree:
4537 	btree_destroy32(&ha->host_map);
4538 fail_free_init_cb:
4539 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4540 	ha->init_cb_dma);
4541 	ha->init_cb = NULL;
4542 	ha->init_cb_dma = 0;
4543 fail:
4544 	ql_log(ql_log_fatal, NULL, 0x0030,
4545 	    "Memory allocation failure.\n");
4546 	return -ENOMEM;
4547 }
4548 
4549 int
4550 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4551 {
4552 	int rval;
4553 	uint16_t	size, max_cnt;
4554 	uint32_t temp;
4555 	struct qla_hw_data *ha = vha->hw;
4556 
4557 	/* Return if we don't need to alloacate any extended logins */
4558 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4559 		return QLA_SUCCESS;
4560 
4561 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4562 		return QLA_SUCCESS;
4563 
4564 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4565 	max_cnt = 0;
4566 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4567 	if (rval != QLA_SUCCESS) {
4568 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4569 		    "Failed to get exlogin status.\n");
4570 		return rval;
4571 	}
4572 
4573 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4574 	temp *= size;
4575 
4576 	if (temp != ha->exlogin_size) {
4577 		qla2x00_free_exlogin_buffer(ha);
4578 		ha->exlogin_size = temp;
4579 
4580 		ql_log(ql_log_info, vha, 0xd024,
4581 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4582 		    max_cnt, size, temp);
4583 
4584 		ql_log(ql_log_info, vha, 0xd025,
4585 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4586 
4587 		/* Get consistent memory for extended logins */
4588 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4589 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4590 		if (!ha->exlogin_buf) {
4591 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4592 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4593 			return -ENOMEM;
4594 		}
4595 	}
4596 
4597 	/* Now configure the dma buffer */
4598 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4599 	if (rval) {
4600 		ql_log(ql_log_fatal, vha, 0xd033,
4601 		    "Setup extended login buffer  ****FAILED****.\n");
4602 		qla2x00_free_exlogin_buffer(ha);
4603 	}
4604 
4605 	return rval;
4606 }
4607 
4608 /*
4609 * qla2x00_free_exlogin_buffer
4610 *
4611 * Input:
4612 *	ha = adapter block pointer
4613 */
4614 void
4615 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4616 {
4617 	if (ha->exlogin_buf) {
4618 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4619 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4620 		ha->exlogin_buf = NULL;
4621 		ha->exlogin_size = 0;
4622 	}
4623 }
4624 
4625 static void
4626 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4627 {
4628 	u32 temp;
4629 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4630 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4631 
4632 	if (max_cnt > vha->hw->max_exchg)
4633 		max_cnt = vha->hw->max_exchg;
4634 
4635 	if (qla_ini_mode_enabled(vha)) {
4636 		if (vha->ql2xiniexchg > max_cnt)
4637 			vha->ql2xiniexchg = max_cnt;
4638 
4639 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4640 			*ret_cnt = vha->ql2xiniexchg;
4641 
4642 	} else if (qla_tgt_mode_enabled(vha)) {
4643 		if (vha->ql2xexchoffld > max_cnt) {
4644 			vha->ql2xexchoffld = max_cnt;
4645 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4646 		}
4647 
4648 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4649 			*ret_cnt = vha->ql2xexchoffld;
4650 	} else if (qla_dual_mode_enabled(vha)) {
4651 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4652 		if (temp > max_cnt) {
4653 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4654 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4655 			temp = max_cnt;
4656 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4657 		}
4658 
4659 		if (temp > FW_DEF_EXCHANGES_CNT)
4660 			*ret_cnt = temp;
4661 	}
4662 }
4663 
4664 int
4665 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4666 {
4667 	int rval;
4668 	u16	size, max_cnt;
4669 	u32 actual_cnt, totsz;
4670 	struct qla_hw_data *ha = vha->hw;
4671 
4672 	if (!ha->flags.exchoffld_enabled)
4673 		return QLA_SUCCESS;
4674 
4675 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4676 		return QLA_SUCCESS;
4677 
4678 	max_cnt = 0;
4679 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4680 	if (rval != QLA_SUCCESS) {
4681 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4682 		    "Failed to get exlogin status.\n");
4683 		return rval;
4684 	}
4685 
4686 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4687 	ql_log(ql_log_info, vha, 0xd014,
4688 	    "Actual exchange offload count: %d.\n", actual_cnt);
4689 
4690 	totsz = actual_cnt * size;
4691 
4692 	if (totsz != ha->exchoffld_size) {
4693 		qla2x00_free_exchoffld_buffer(ha);
4694 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4695 			ha->exchoffld_size = 0;
4696 			ha->flags.exchoffld_enabled = 0;
4697 			return QLA_SUCCESS;
4698 		}
4699 
4700 		ha->exchoffld_size = totsz;
4701 
4702 		ql_log(ql_log_info, vha, 0xd016,
4703 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4704 		    max_cnt, actual_cnt, size, totsz);
4705 
4706 		ql_log(ql_log_info, vha, 0xd017,
4707 		    "Exchange Buffers requested size = 0x%x\n",
4708 		    ha->exchoffld_size);
4709 
4710 		/* Get consistent memory for extended logins */
4711 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4712 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4713 		if (!ha->exchoffld_buf) {
4714 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4715 			"Failed to allocate memory for Exchange Offload.\n");
4716 
4717 			if (ha->max_exchg >
4718 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4719 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4720 			} else if (ha->max_exchg >
4721 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4722 				ha->max_exchg -= 512;
4723 			} else {
4724 				ha->flags.exchoffld_enabled = 0;
4725 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4726 				    "Disabling Exchange offload due to lack of memory\n");
4727 			}
4728 			ha->exchoffld_size = 0;
4729 
4730 			return -ENOMEM;
4731 		}
4732 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4733 		/* pathological case */
4734 		qla2x00_free_exchoffld_buffer(ha);
4735 		ha->exchoffld_size = 0;
4736 		ha->flags.exchoffld_enabled = 0;
4737 		ql_log(ql_log_info, vha, 0xd016,
4738 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4739 		    ha->exchoffld_size, actual_cnt, size, totsz);
4740 		return 0;
4741 	}
4742 
4743 	/* Now configure the dma buffer */
4744 	rval = qla_set_exchoffld_mem_cfg(vha);
4745 	if (rval) {
4746 		ql_log(ql_log_fatal, vha, 0xd02e,
4747 		    "Setup exchange offload buffer ****FAILED****.\n");
4748 		qla2x00_free_exchoffld_buffer(ha);
4749 	} else {
4750 		/* re-adjust number of target exchange */
4751 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4752 
4753 		if (qla_ini_mode_enabled(vha))
4754 			icb->exchange_count = 0;
4755 		else
4756 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4757 	}
4758 
4759 	return rval;
4760 }
4761 
4762 /*
4763 * qla2x00_free_exchoffld_buffer
4764 *
4765 * Input:
4766 *	ha = adapter block pointer
4767 */
4768 void
4769 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4770 {
4771 	if (ha->exchoffld_buf) {
4772 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4773 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4774 		ha->exchoffld_buf = NULL;
4775 		ha->exchoffld_size = 0;
4776 	}
4777 }
4778 
4779 /*
4780 * qla2x00_free_fw_dump
4781 *	Frees fw dump stuff.
4782 *
4783 * Input:
4784 *	ha = adapter block pointer
4785 */
4786 static void
4787 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4788 {
4789 	struct fwdt *fwdt = ha->fwdt;
4790 	uint j;
4791 
4792 	if (ha->fce)
4793 		dma_free_coherent(&ha->pdev->dev,
4794 		    FCE_SIZE, ha->fce, ha->fce_dma);
4795 
4796 	if (ha->eft)
4797 		dma_free_coherent(&ha->pdev->dev,
4798 		    EFT_SIZE, ha->eft, ha->eft_dma);
4799 
4800 	vfree(ha->fw_dump);
4801 
4802 	ha->fce = NULL;
4803 	ha->fce_dma = 0;
4804 	ha->flags.fce_enabled = 0;
4805 	ha->eft = NULL;
4806 	ha->eft_dma = 0;
4807 	ha->fw_dumped = false;
4808 	ha->fw_dump_cap_flags = 0;
4809 	ha->fw_dump_reading = 0;
4810 	ha->fw_dump = NULL;
4811 	ha->fw_dump_len = 0;
4812 
4813 	for (j = 0; j < 2; j++, fwdt++) {
4814 		vfree(fwdt->template);
4815 		fwdt->template = NULL;
4816 		fwdt->length = 0;
4817 	}
4818 }
4819 
4820 /*
4821 * qla2x00_mem_free
4822 *      Frees all adapter allocated memory.
4823 *
4824 * Input:
4825 *      ha = adapter block pointer.
4826 */
4827 static void
4828 qla2x00_mem_free(struct qla_hw_data *ha)
4829 {
4830 	qla2x00_free_fw_dump(ha);
4831 
4832 	if (ha->mctp_dump)
4833 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4834 		    ha->mctp_dump_dma);
4835 	ha->mctp_dump = NULL;
4836 
4837 	mempool_destroy(ha->srb_mempool);
4838 	ha->srb_mempool = NULL;
4839 
4840 	if (ha->dcbx_tlv)
4841 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4842 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4843 	ha->dcbx_tlv = NULL;
4844 
4845 	if (ha->xgmac_data)
4846 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4847 		    ha->xgmac_data, ha->xgmac_data_dma);
4848 	ha->xgmac_data = NULL;
4849 
4850 	if (ha->sns_cmd)
4851 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4852 		ha->sns_cmd, ha->sns_cmd_dma);
4853 	ha->sns_cmd = NULL;
4854 	ha->sns_cmd_dma = 0;
4855 
4856 	if (ha->ct_sns)
4857 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4858 		ha->ct_sns, ha->ct_sns_dma);
4859 	ha->ct_sns = NULL;
4860 	ha->ct_sns_dma = 0;
4861 
4862 	if (ha->sfp_data)
4863 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4864 		    ha->sfp_data_dma);
4865 	ha->sfp_data = NULL;
4866 
4867 	if (ha->flt)
4868 		dma_free_coherent(&ha->pdev->dev,
4869 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4870 		    ha->flt, ha->flt_dma);
4871 	ha->flt = NULL;
4872 	ha->flt_dma = 0;
4873 
4874 	if (ha->ms_iocb)
4875 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4876 	ha->ms_iocb = NULL;
4877 	ha->ms_iocb_dma = 0;
4878 
4879 	if (ha->sf_init_cb)
4880 		dma_pool_free(ha->s_dma_pool,
4881 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4882 
4883 	if (ha->ex_init_cb)
4884 		dma_pool_free(ha->s_dma_pool,
4885 			ha->ex_init_cb, ha->ex_init_cb_dma);
4886 	ha->ex_init_cb = NULL;
4887 	ha->ex_init_cb_dma = 0;
4888 
4889 	if (ha->async_pd)
4890 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4891 	ha->async_pd = NULL;
4892 	ha->async_pd_dma = 0;
4893 
4894 	dma_pool_destroy(ha->s_dma_pool);
4895 	ha->s_dma_pool = NULL;
4896 
4897 	if (ha->gid_list)
4898 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4899 		ha->gid_list, ha->gid_list_dma);
4900 	ha->gid_list = NULL;
4901 	ha->gid_list_dma = 0;
4902 
4903 	if (IS_QLA82XX(ha)) {
4904 		if (!list_empty(&ha->gbl_dsd_list)) {
4905 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4906 
4907 			/* clean up allocated prev pool */
4908 			list_for_each_entry_safe(dsd_ptr,
4909 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4910 				dma_pool_free(ha->dl_dma_pool,
4911 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4912 				list_del(&dsd_ptr->list);
4913 				kfree(dsd_ptr);
4914 			}
4915 		}
4916 	}
4917 
4918 	dma_pool_destroy(ha->dl_dma_pool);
4919 	ha->dl_dma_pool = NULL;
4920 
4921 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4922 	ha->fcp_cmnd_dma_pool = NULL;
4923 
4924 	mempool_destroy(ha->ctx_mempool);
4925 	ha->ctx_mempool = NULL;
4926 
4927 	if (ql2xenabledif && ha->dif_bundl_pool) {
4928 		struct dsd_dma *dsd, *nxt;
4929 
4930 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4931 					 list) {
4932 			list_del(&dsd->list);
4933 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4934 				      dsd->dsd_list_dma);
4935 			ha->dif_bundle_dma_allocs--;
4936 			kfree(dsd);
4937 			ha->dif_bundle_kallocs--;
4938 			ha->pool.unusable.count--;
4939 		}
4940 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4941 			list_del(&dsd->list);
4942 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4943 				      dsd->dsd_list_dma);
4944 			ha->dif_bundle_dma_allocs--;
4945 			kfree(dsd);
4946 			ha->dif_bundle_kallocs--;
4947 		}
4948 	}
4949 
4950 	dma_pool_destroy(ha->dif_bundl_pool);
4951 	ha->dif_bundl_pool = NULL;
4952 
4953 	qlt_mem_free(ha);
4954 	qla_remove_hostmap(ha);
4955 
4956 	if (ha->init_cb)
4957 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4958 			ha->init_cb, ha->init_cb_dma);
4959 
4960 	dma_pool_destroy(ha->purex_dma_pool);
4961 	ha->purex_dma_pool = NULL;
4962 
4963 	if (ha->elsrej.c) {
4964 		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4965 		    ha->elsrej.c, ha->elsrej.cdma);
4966 		ha->elsrej.c = NULL;
4967 	}
4968 
4969 	ha->init_cb = NULL;
4970 	ha->init_cb_dma = 0;
4971 
4972 	vfree(ha->optrom_buffer);
4973 	ha->optrom_buffer = NULL;
4974 	kfree(ha->nvram);
4975 	ha->nvram = NULL;
4976 	kfree(ha->npiv_info);
4977 	ha->npiv_info = NULL;
4978 	kfree(ha->swl);
4979 	ha->swl = NULL;
4980 	kfree(ha->loop_id_map);
4981 	ha->sf_init_cb = NULL;
4982 	ha->sf_init_cb_dma = 0;
4983 	ha->loop_id_map = NULL;
4984 }
4985 
4986 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4987 						struct qla_hw_data *ha)
4988 {
4989 	struct Scsi_Host *host;
4990 	struct scsi_qla_host *vha = NULL;
4991 
4992 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4993 	if (!host) {
4994 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4995 		    "Failed to allocate host from the scsi layer, aborting.\n");
4996 		return NULL;
4997 	}
4998 
4999 	/* Clear our data area */
5000 	vha = shost_priv(host);
5001 	memset(vha, 0, sizeof(scsi_qla_host_t));
5002 
5003 	vha->host = host;
5004 	vha->host_no = host->host_no;
5005 	vha->hw = ha;
5006 
5007 	vha->qlini_mode = ql2x_ini_mode;
5008 	vha->ql2xexchoffld = ql2xexchoffld;
5009 	vha->ql2xiniexchg = ql2xiniexchg;
5010 
5011 	INIT_LIST_HEAD(&vha->vp_fcports);
5012 	INIT_LIST_HEAD(&vha->work_list);
5013 	INIT_LIST_HEAD(&vha->list);
5014 	INIT_LIST_HEAD(&vha->qla_cmd_list);
5015 	INIT_LIST_HEAD(&vha->logo_list);
5016 	INIT_LIST_HEAD(&vha->plogi_ack_list);
5017 	INIT_LIST_HEAD(&vha->qp_list);
5018 	INIT_LIST_HEAD(&vha->gnl.fcports);
5019 	INIT_LIST_HEAD(&vha->gpnid_list);
5020 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5021 
5022 	INIT_LIST_HEAD(&vha->purex_list.head);
5023 	spin_lock_init(&vha->purex_list.lock);
5024 
5025 	spin_lock_init(&vha->work_lock);
5026 	spin_lock_init(&vha->cmd_list_lock);
5027 	init_waitqueue_head(&vha->fcport_waitQ);
5028 	init_waitqueue_head(&vha->vref_waitq);
5029 	qla_enode_init(vha);
5030 	qla_edb_init(vha);
5031 
5032 
5033 	vha->gnl.size = sizeof(struct get_name_list_extended) *
5034 			(ha->max_loop_id + 1);
5035 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5036 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5037 	if (!vha->gnl.l) {
5038 		ql_log(ql_log_fatal, vha, 0xd04a,
5039 		    "Alloc failed for name list.\n");
5040 		scsi_host_put(vha->host);
5041 		return NULL;
5042 	}
5043 
5044 	/* todo: what about ext login? */
5045 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5046 	vha->scan.l = vmalloc(vha->scan.size);
5047 	if (!vha->scan.l) {
5048 		ql_log(ql_log_fatal, vha, 0xd04a,
5049 		    "Alloc failed for scan database.\n");
5050 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5051 		    vha->gnl.l, vha->gnl.ldma);
5052 		vha->gnl.l = NULL;
5053 		scsi_host_put(vha->host);
5054 		return NULL;
5055 	}
5056 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5057 
5058 	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
5059 	ql_dbg(ql_dbg_init, vha, 0x0041,
5060 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5061 	    vha->host, vha->hw, vha,
5062 	    dev_name(&(ha->pdev->dev)));
5063 
5064 	return vha;
5065 }
5066 
5067 struct qla_work_evt *
5068 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5069 {
5070 	struct qla_work_evt *e;
5071 
5072 	if (test_bit(UNLOADING, &vha->dpc_flags))
5073 		return NULL;
5074 
5075 	if (qla_vha_mark_busy(vha))
5076 		return NULL;
5077 
5078 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5079 	if (!e) {
5080 		QLA_VHA_MARK_NOT_BUSY(vha);
5081 		return NULL;
5082 	}
5083 
5084 	INIT_LIST_HEAD(&e->list);
5085 	e->type = type;
5086 	e->flags = QLA_EVT_FLAG_FREE;
5087 	return e;
5088 }
5089 
5090 int
5091 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5092 {
5093 	unsigned long flags;
5094 	bool q = false;
5095 
5096 	spin_lock_irqsave(&vha->work_lock, flags);
5097 	list_add_tail(&e->list, &vha->work_list);
5098 
5099 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5100 		q = true;
5101 
5102 	spin_unlock_irqrestore(&vha->work_lock, flags);
5103 
5104 	if (q)
5105 		queue_work(vha->hw->wq, &vha->iocb_work);
5106 
5107 	return QLA_SUCCESS;
5108 }
5109 
5110 int
5111 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5112     u32 data)
5113 {
5114 	struct qla_work_evt *e;
5115 
5116 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5117 	if (!e)
5118 		return QLA_FUNCTION_FAILED;
5119 
5120 	e->u.aen.code = code;
5121 	e->u.aen.data = data;
5122 	return qla2x00_post_work(vha, e);
5123 }
5124 
5125 int
5126 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5127 {
5128 	struct qla_work_evt *e;
5129 
5130 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5131 	if (!e)
5132 		return QLA_FUNCTION_FAILED;
5133 
5134 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5135 	return qla2x00_post_work(vha, e);
5136 }
5137 
5138 #define qla2x00_post_async_work(name, type)	\
5139 int qla2x00_post_async_##name##_work(		\
5140     struct scsi_qla_host *vha,			\
5141     fc_port_t *fcport, uint16_t *data)		\
5142 {						\
5143 	struct qla_work_evt *e;			\
5144 						\
5145 	e = qla2x00_alloc_work(vha, type);	\
5146 	if (!e)					\
5147 		return QLA_FUNCTION_FAILED;	\
5148 						\
5149 	e->u.logio.fcport = fcport;		\
5150 	if (data) {				\
5151 		e->u.logio.data[0] = data[0];	\
5152 		e->u.logio.data[1] = data[1];	\
5153 	}					\
5154 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5155 	return qla2x00_post_work(vha, e);	\
5156 }
5157 
5158 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5159 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5160 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5161 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5162 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5163 
5164 int
5165 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5166 {
5167 	struct qla_work_evt *e;
5168 
5169 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5170 	if (!e)
5171 		return QLA_FUNCTION_FAILED;
5172 
5173 	e->u.uevent.code = code;
5174 	return qla2x00_post_work(vha, e);
5175 }
5176 
5177 static void
5178 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5179 {
5180 	char event_string[40];
5181 	char *envp[] = { event_string, NULL };
5182 
5183 	switch (code) {
5184 	case QLA_UEVENT_CODE_FW_DUMP:
5185 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5186 		    vha->host_no);
5187 		break;
5188 	default:
5189 		/* do nothing */
5190 		break;
5191 	}
5192 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5193 }
5194 
5195 int
5196 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5197 			uint32_t *data, int cnt)
5198 {
5199 	struct qla_work_evt *e;
5200 
5201 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5202 	if (!e)
5203 		return QLA_FUNCTION_FAILED;
5204 
5205 	e->u.aenfx.evtcode = evtcode;
5206 	e->u.aenfx.count = cnt;
5207 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5208 	return qla2x00_post_work(vha, e);
5209 }
5210 
5211 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5212 {
5213 	unsigned long flags;
5214 
5215 	if (IS_SW_RESV_ADDR(fcport->d_id))
5216 		return;
5217 
5218 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5219 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5220 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5221 		return;
5222 	}
5223 	fcport->jiffies_at_registration = jiffies;
5224 	fcport->sec_since_registration = 0;
5225 	fcport->next_disc_state = DSC_DELETED;
5226 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5227 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5228 
5229 	queue_work(system_unbound_wq, &fcport->reg_work);
5230 }
5231 
5232 static
5233 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5234 {
5235 	unsigned long flags;
5236 	fc_port_t *fcport =  NULL, *tfcp;
5237 	struct qlt_plogi_ack_t *pla =
5238 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5239 	uint8_t free_fcport = 0;
5240 
5241 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5242 	    "%s %d %8phC enter\n",
5243 	    __func__, __LINE__, e->u.new_sess.port_name);
5244 
5245 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5246 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5247 	if (fcport) {
5248 		fcport->d_id = e->u.new_sess.id;
5249 		if (pla) {
5250 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5251 			memcpy(fcport->node_name,
5252 			    pla->iocb.u.isp24.u.plogi.node_name,
5253 			    WWN_SIZE);
5254 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5255 			/* we took an extra ref_count to prevent PLOGI ACK when
5256 			 * fcport/sess has not been created.
5257 			 */
5258 			pla->ref_count--;
5259 		}
5260 	} else {
5261 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5262 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5263 		if (fcport) {
5264 			fcport->d_id = e->u.new_sess.id;
5265 			fcport->flags |= FCF_FABRIC_DEVICE;
5266 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5267 			fcport->tgt_short_link_down_cnt = 0;
5268 
5269 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5270 			    WWN_SIZE);
5271 
5272 			fcport->fc4_type = e->u.new_sess.fc4_type;
5273 			if (NVME_PRIORITY(vha->hw, fcport))
5274 				fcport->do_prli_nvme = 1;
5275 			else
5276 				fcport->do_prli_nvme = 0;
5277 
5278 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5279 				fcport->dm_login_expire = jiffies +
5280 					QLA_N2N_WAIT_TIME * HZ;
5281 				fcport->fc4_type = FS_FC4TYPE_FCP;
5282 				fcport->n2n_flag = 1;
5283 				if (vha->flags.nvme_enabled)
5284 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5285 			}
5286 
5287 		} else {
5288 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5289 				   "%s %8phC mem alloc fail.\n",
5290 				   __func__, e->u.new_sess.port_name);
5291 
5292 			if (pla) {
5293 				list_del(&pla->list);
5294 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5295 			}
5296 			return;
5297 		}
5298 
5299 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5300 		/* search again to make sure no one else got ahead */
5301 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5302 		    e->u.new_sess.port_name, 1);
5303 		if (tfcp) {
5304 			/* should rarily happen */
5305 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5306 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5307 			    __func__, tfcp->port_name, tfcp->disc_state,
5308 			    tfcp->fw_login_state);
5309 
5310 			free_fcport = 1;
5311 		} else {
5312 			list_add_tail(&fcport->list, &vha->vp_fcports);
5313 
5314 		}
5315 		if (pla) {
5316 			qlt_plogi_ack_link(vha, pla, fcport,
5317 			    QLT_PLOGI_LINK_SAME_WWN);
5318 			pla->ref_count--;
5319 		}
5320 	}
5321 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5322 
5323 	if (fcport) {
5324 		fcport->id_changed = 1;
5325 		fcport->scan_state = QLA_FCPORT_FOUND;
5326 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5327 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5328 
5329 		if (pla) {
5330 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5331 				u16 wd3_lo;
5332 
5333 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5334 				fcport->local = 0;
5335 				fcport->loop_id =
5336 					le16_to_cpu(
5337 					    pla->iocb.u.isp24.nport_handle);
5338 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5339 				wd3_lo =
5340 				    le16_to_cpu(
5341 					pla->iocb.u.isp24.u.prli.wd3_lo);
5342 
5343 				if (wd3_lo & BIT_7)
5344 					fcport->conf_compl_supported = 1;
5345 
5346 				if ((wd3_lo & BIT_4) == 0)
5347 					fcport->port_type = FCT_INITIATOR;
5348 				else
5349 					fcport->port_type = FCT_TARGET;
5350 			}
5351 			qlt_plogi_ack_unref(vha, pla);
5352 		} else {
5353 			fc_port_t *dfcp = NULL;
5354 
5355 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5356 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5357 			    &e->u.new_sess.id, 1);
5358 			if (tfcp && (tfcp != fcport)) {
5359 				/*
5360 				 * We have a conflict fcport with same NportID.
5361 				 */
5362 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5363 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5364 				    __func__, tfcp->port_name, tfcp->disc_state,
5365 				    tfcp->fw_login_state);
5366 
5367 				switch (tfcp->disc_state) {
5368 				case DSC_DELETED:
5369 					break;
5370 				case DSC_DELETE_PEND:
5371 					fcport->login_pause = 1;
5372 					tfcp->conflict = fcport;
5373 					break;
5374 				default:
5375 					fcport->login_pause = 1;
5376 					tfcp->conflict = fcport;
5377 					dfcp = tfcp;
5378 					break;
5379 				}
5380 			}
5381 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5382 			if (dfcp)
5383 				qlt_schedule_sess_for_deletion(tfcp);
5384 
5385 			if (N2N_TOPO(vha->hw)) {
5386 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5387 				fcport->keep_nport_handle = 1;
5388 				if (vha->flags.nvme_enabled) {
5389 					fcport->fc4_type =
5390 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5391 					fcport->n2n_flag = 1;
5392 				}
5393 				fcport->fw_login_state = 0;
5394 
5395 				schedule_delayed_work(&vha->scan.scan_work, 5);
5396 			} else {
5397 				qla24xx_fcport_handle_login(vha, fcport);
5398 			}
5399 		}
5400 	}
5401 
5402 	if (free_fcport) {
5403 		qla2x00_free_fcport(fcport);
5404 		if (pla) {
5405 			list_del(&pla->list);
5406 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5407 		}
5408 	}
5409 }
5410 
5411 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5412 {
5413 	struct srb *sp = e->u.iosb.sp;
5414 	int rval;
5415 
5416 	rval = qla2x00_start_sp(sp);
5417 	if (rval != QLA_SUCCESS) {
5418 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5419 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5420 		    __func__, sp->name, rval);
5421 		qla24xx_sp_unmap(vha, sp);
5422 	}
5423 }
5424 
5425 void
5426 qla2x00_do_work(struct scsi_qla_host *vha)
5427 {
5428 	struct qla_work_evt *e, *tmp;
5429 	unsigned long flags;
5430 	LIST_HEAD(work);
5431 	int rc;
5432 
5433 	spin_lock_irqsave(&vha->work_lock, flags);
5434 	list_splice_init(&vha->work_list, &work);
5435 	spin_unlock_irqrestore(&vha->work_lock, flags);
5436 
5437 	list_for_each_entry_safe(e, tmp, &work, list) {
5438 		rc = QLA_SUCCESS;
5439 		switch (e->type) {
5440 		case QLA_EVT_AEN:
5441 			fc_host_post_event(vha->host, fc_get_event_number(),
5442 			    e->u.aen.code, e->u.aen.data);
5443 			break;
5444 		case QLA_EVT_IDC_ACK:
5445 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5446 			break;
5447 		case QLA_EVT_ASYNC_LOGIN:
5448 			qla2x00_async_login(vha, e->u.logio.fcport,
5449 			    e->u.logio.data);
5450 			break;
5451 		case QLA_EVT_ASYNC_LOGOUT:
5452 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5453 			break;
5454 		case QLA_EVT_ASYNC_ADISC:
5455 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5456 			    e->u.logio.data);
5457 			break;
5458 		case QLA_EVT_UEVENT:
5459 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5460 			break;
5461 		case QLA_EVT_AENFX:
5462 			qlafx00_process_aen(vha, e);
5463 			break;
5464 		case QLA_EVT_GPNID:
5465 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5466 			break;
5467 		case QLA_EVT_UNMAP:
5468 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5469 			break;
5470 		case QLA_EVT_RELOGIN:
5471 			qla2x00_relogin(vha);
5472 			break;
5473 		case QLA_EVT_NEW_SESS:
5474 			qla24xx_create_new_sess(vha, e);
5475 			break;
5476 		case QLA_EVT_GPDB:
5477 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5478 			    e->u.fcport.opt);
5479 			break;
5480 		case QLA_EVT_PRLI:
5481 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5482 			break;
5483 		case QLA_EVT_GPSC:
5484 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5485 			break;
5486 		case QLA_EVT_GNL:
5487 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5488 			break;
5489 		case QLA_EVT_NACK:
5490 			qla24xx_do_nack_work(vha, e);
5491 			break;
5492 		case QLA_EVT_ASYNC_PRLO:
5493 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5494 			break;
5495 		case QLA_EVT_ASYNC_PRLO_DONE:
5496 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5497 			    e->u.logio.data);
5498 			break;
5499 		case QLA_EVT_GPNFT:
5500 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5501 			    e->u.gpnft.sp);
5502 			break;
5503 		case QLA_EVT_GPNFT_DONE:
5504 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5505 			break;
5506 		case QLA_EVT_GNNFT_DONE:
5507 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5508 			break;
5509 		case QLA_EVT_GNNID:
5510 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5511 			break;
5512 		case QLA_EVT_GFPNID:
5513 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5514 			break;
5515 		case QLA_EVT_SP_RETRY:
5516 			qla_sp_retry(vha, e);
5517 			break;
5518 		case QLA_EVT_IIDMA:
5519 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5520 			break;
5521 		case QLA_EVT_ELS_PLOGI:
5522 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5523 			    e->u.fcport.fcport, false);
5524 			break;
5525 		case QLA_EVT_SA_REPLACE:
5526 			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5527 			break;
5528 		}
5529 
5530 		if (rc == EAGAIN) {
5531 			/* put 'work' at head of 'vha->work_list' */
5532 			spin_lock_irqsave(&vha->work_lock, flags);
5533 			list_splice(&work, &vha->work_list);
5534 			spin_unlock_irqrestore(&vha->work_lock, flags);
5535 			break;
5536 		}
5537 		list_del_init(&e->list);
5538 		if (e->flags & QLA_EVT_FLAG_FREE)
5539 			kfree(e);
5540 
5541 		/* For each work completed decrement vha ref count */
5542 		QLA_VHA_MARK_NOT_BUSY(vha);
5543 	}
5544 }
5545 
5546 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5547 {
5548 	struct qla_work_evt *e;
5549 
5550 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5551 
5552 	if (!e) {
5553 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5554 		return QLA_FUNCTION_FAILED;
5555 	}
5556 
5557 	return qla2x00_post_work(vha, e);
5558 }
5559 
5560 /* Relogins all the fcports of a vport
5561  * Context: dpc thread
5562  */
5563 void qla2x00_relogin(struct scsi_qla_host *vha)
5564 {
5565 	fc_port_t       *fcport;
5566 	int status, relogin_needed = 0;
5567 	struct event_arg ea;
5568 
5569 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5570 		/*
5571 		 * If the port is not ONLINE then try to login
5572 		 * to it if we haven't run out of retries.
5573 		 */
5574 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5575 		    fcport->login_retry) {
5576 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5577 			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5578 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5579 				continue;
5580 
5581 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5582 				fcport->disc_state == DSC_DELETE_PEND) {
5583 				relogin_needed = 1;
5584 			} else {
5585 				if (vha->hw->current_topology != ISP_CFG_NL) {
5586 					memset(&ea, 0, sizeof(ea));
5587 					ea.fcport = fcport;
5588 					qla24xx_handle_relogin_event(vha, &ea);
5589 				} else if (vha->hw->current_topology ==
5590 					 ISP_CFG_NL &&
5591 					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5592 					(void)qla24xx_fcport_handle_login(vha,
5593 									fcport);
5594 				} else if (vha->hw->current_topology ==
5595 				    ISP_CFG_NL) {
5596 					fcport->login_retry--;
5597 					status =
5598 					    qla2x00_local_device_login(vha,
5599 						fcport);
5600 					if (status == QLA_SUCCESS) {
5601 						fcport->old_loop_id =
5602 						    fcport->loop_id;
5603 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5604 						    "Port login OK: logged in ID 0x%x.\n",
5605 						    fcport->loop_id);
5606 						qla2x00_update_fcport
5607 							(vha, fcport);
5608 					} else if (status == 1) {
5609 						set_bit(RELOGIN_NEEDED,
5610 						    &vha->dpc_flags);
5611 						/* retry the login again */
5612 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5613 						    "Retrying %d login again loop_id 0x%x.\n",
5614 						    fcport->login_retry,
5615 						    fcport->loop_id);
5616 					} else {
5617 						fcport->login_retry = 0;
5618 					}
5619 
5620 					if (fcport->login_retry == 0 &&
5621 					    status != QLA_SUCCESS)
5622 						qla2x00_clear_loop_id(fcport);
5623 				}
5624 			}
5625 		}
5626 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5627 			break;
5628 	}
5629 
5630 	if (relogin_needed)
5631 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5632 
5633 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5634 	    "Relogin end.\n");
5635 }
5636 
5637 /* Schedule work on any of the dpc-workqueues */
5638 void
5639 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5640 {
5641 	struct qla_hw_data *ha = base_vha->hw;
5642 
5643 	switch (work_code) {
5644 	case MBA_IDC_AEN: /* 0x8200 */
5645 		if (ha->dpc_lp_wq)
5646 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5647 		break;
5648 
5649 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5650 		if (!ha->flags.nic_core_reset_hdlr_active) {
5651 			if (ha->dpc_hp_wq)
5652 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5653 		} else
5654 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5655 			    "NIC Core reset is already active. Skip "
5656 			    "scheduling it again.\n");
5657 		break;
5658 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5659 		if (ha->dpc_hp_wq)
5660 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5661 		break;
5662 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5663 		if (ha->dpc_hp_wq)
5664 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5665 		break;
5666 	default:
5667 		ql_log(ql_log_warn, base_vha, 0xb05f,
5668 		    "Unknown work-code=0x%x.\n", work_code);
5669 	}
5670 
5671 	return;
5672 }
5673 
5674 /* Work: Perform NIC Core Unrecoverable state handling */
5675 void
5676 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5677 {
5678 	struct qla_hw_data *ha =
5679 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5680 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5681 	uint32_t dev_state = 0;
5682 
5683 	qla83xx_idc_lock(base_vha, 0);
5684 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5685 	qla83xx_reset_ownership(base_vha);
5686 	if (ha->flags.nic_core_reset_owner) {
5687 		ha->flags.nic_core_reset_owner = 0;
5688 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5689 		    QLA8XXX_DEV_FAILED);
5690 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5691 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5692 	}
5693 	qla83xx_idc_unlock(base_vha, 0);
5694 }
5695 
5696 /* Work: Execute IDC state handler */
5697 void
5698 qla83xx_idc_state_handler_work(struct work_struct *work)
5699 {
5700 	struct qla_hw_data *ha =
5701 		container_of(work, struct qla_hw_data, idc_state_handler);
5702 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5703 	uint32_t dev_state = 0;
5704 
5705 	qla83xx_idc_lock(base_vha, 0);
5706 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5707 	if (dev_state == QLA8XXX_DEV_FAILED ||
5708 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5709 		qla83xx_idc_state_handler(base_vha);
5710 	qla83xx_idc_unlock(base_vha, 0);
5711 }
5712 
5713 static int
5714 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5715 {
5716 	int rval = QLA_SUCCESS;
5717 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5718 	uint32_t heart_beat_counter1, heart_beat_counter2;
5719 
5720 	do {
5721 		if (time_after(jiffies, heart_beat_wait)) {
5722 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5723 			    "Nic Core f/w is not alive.\n");
5724 			rval = QLA_FUNCTION_FAILED;
5725 			break;
5726 		}
5727 
5728 		qla83xx_idc_lock(base_vha, 0);
5729 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5730 		    &heart_beat_counter1);
5731 		qla83xx_idc_unlock(base_vha, 0);
5732 		msleep(100);
5733 		qla83xx_idc_lock(base_vha, 0);
5734 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5735 		    &heart_beat_counter2);
5736 		qla83xx_idc_unlock(base_vha, 0);
5737 	} while (heart_beat_counter1 == heart_beat_counter2);
5738 
5739 	return rval;
5740 }
5741 
5742 /* Work: Perform NIC Core Reset handling */
5743 void
5744 qla83xx_nic_core_reset_work(struct work_struct *work)
5745 {
5746 	struct qla_hw_data *ha =
5747 		container_of(work, struct qla_hw_data, nic_core_reset);
5748 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5749 	uint32_t dev_state = 0;
5750 
5751 	if (IS_QLA2031(ha)) {
5752 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5753 			ql_log(ql_log_warn, base_vha, 0xb081,
5754 			    "Failed to dump mctp\n");
5755 		return;
5756 	}
5757 
5758 	if (!ha->flags.nic_core_reset_hdlr_active) {
5759 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5760 			qla83xx_idc_lock(base_vha, 0);
5761 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5762 			    &dev_state);
5763 			qla83xx_idc_unlock(base_vha, 0);
5764 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5765 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5766 				    "Nic Core f/w is alive.\n");
5767 				return;
5768 			}
5769 		}
5770 
5771 		ha->flags.nic_core_reset_hdlr_active = 1;
5772 		if (qla83xx_nic_core_reset(base_vha)) {
5773 			/* NIC Core reset failed. */
5774 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5775 			    "NIC Core reset failed.\n");
5776 		}
5777 		ha->flags.nic_core_reset_hdlr_active = 0;
5778 	}
5779 }
5780 
5781 /* Work: Handle 8200 IDC aens */
5782 void
5783 qla83xx_service_idc_aen(struct work_struct *work)
5784 {
5785 	struct qla_hw_data *ha =
5786 		container_of(work, struct qla_hw_data, idc_aen);
5787 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5788 	uint32_t dev_state, idc_control;
5789 
5790 	qla83xx_idc_lock(base_vha, 0);
5791 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5792 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5793 	qla83xx_idc_unlock(base_vha, 0);
5794 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5795 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5796 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5797 			    "Application requested NIC Core Reset.\n");
5798 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5799 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5800 		    QLA_SUCCESS) {
5801 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5802 			    "Other protocol driver requested NIC Core Reset.\n");
5803 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5804 		}
5805 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5806 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5807 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5808 	}
5809 }
5810 
5811 /*
5812  * Control the frequency of IDC lock retries
5813  */
5814 #define QLA83XX_WAIT_LOGIC_MS	100
5815 
5816 static int
5817 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5818 {
5819 	int rval;
5820 	uint32_t data;
5821 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5822 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5823 	struct qla_hw_data *ha = base_vha->hw;
5824 
5825 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5826 	    "Trying force recovery of the IDC lock.\n");
5827 
5828 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5829 	if (rval)
5830 		return rval;
5831 
5832 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5833 		return QLA_SUCCESS;
5834 	} else {
5835 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5836 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5837 		    data);
5838 		if (rval)
5839 			return rval;
5840 
5841 		msleep(200);
5842 
5843 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5844 		    &data);
5845 		if (rval)
5846 			return rval;
5847 
5848 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5849 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5850 					~(idc_lck_rcvry_stage_mask));
5851 			rval = qla83xx_wr_reg(base_vha,
5852 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5853 			if (rval)
5854 				return rval;
5855 
5856 			/* Forcefully perform IDC UnLock */
5857 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5858 			    &data);
5859 			if (rval)
5860 				return rval;
5861 			/* Clear lock-id by setting 0xff */
5862 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5863 			    0xff);
5864 			if (rval)
5865 				return rval;
5866 			/* Clear lock-recovery by setting 0x0 */
5867 			rval = qla83xx_wr_reg(base_vha,
5868 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5869 			if (rval)
5870 				return rval;
5871 		} else
5872 			return QLA_SUCCESS;
5873 	}
5874 
5875 	return rval;
5876 }
5877 
5878 static int
5879 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5880 {
5881 	int rval = QLA_SUCCESS;
5882 	uint32_t o_drv_lockid, n_drv_lockid;
5883 	unsigned long lock_recovery_timeout;
5884 
5885 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5886 retry_lockid:
5887 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5888 	if (rval)
5889 		goto exit;
5890 
5891 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5892 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5893 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5894 			return QLA_SUCCESS;
5895 		else
5896 			return QLA_FUNCTION_FAILED;
5897 	}
5898 
5899 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5900 	if (rval)
5901 		goto exit;
5902 
5903 	if (o_drv_lockid == n_drv_lockid) {
5904 		msleep(QLA83XX_WAIT_LOGIC_MS);
5905 		goto retry_lockid;
5906 	} else
5907 		return QLA_SUCCESS;
5908 
5909 exit:
5910 	return rval;
5911 }
5912 
5913 /*
5914  * Context: task, can sleep
5915  */
5916 void
5917 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5918 {
5919 	uint32_t data;
5920 	uint32_t lock_owner;
5921 	struct qla_hw_data *ha = base_vha->hw;
5922 
5923 	might_sleep();
5924 
5925 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5926 retry_lock:
5927 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5928 	    == QLA_SUCCESS) {
5929 		if (data) {
5930 			/* Setting lock-id to our function-number */
5931 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5932 			    ha->portnum);
5933 		} else {
5934 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5935 			    &lock_owner);
5936 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5937 			    "Failed to acquire IDC lock, acquired by %d, "
5938 			    "retrying...\n", lock_owner);
5939 
5940 			/* Retry/Perform IDC-Lock recovery */
5941 			if (qla83xx_idc_lock_recovery(base_vha)
5942 			    == QLA_SUCCESS) {
5943 				msleep(QLA83XX_WAIT_LOGIC_MS);
5944 				goto retry_lock;
5945 			} else
5946 				ql_log(ql_log_warn, base_vha, 0xb075,
5947 				    "IDC Lock recovery FAILED.\n");
5948 		}
5949 
5950 	}
5951 
5952 	return;
5953 }
5954 
5955 static bool
5956 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5957 	struct purex_entry_24xx *purex)
5958 {
5959 	char fwstr[16];
5960 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5961 	struct port_database_24xx *pdb;
5962 
5963 	/* Domain Controller is always logged-out. */
5964 	/* if RDP request is not from Domain Controller: */
5965 	if (sid != 0xfffc01)
5966 		return false;
5967 
5968 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5969 
5970 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5971 	if (!pdb) {
5972 		ql_dbg(ql_dbg_init, vha, 0x0181,
5973 		    "%s: Failed allocate pdb\n", __func__);
5974 	} else if (qla24xx_get_port_database(vha,
5975 				le16_to_cpu(purex->nport_handle), pdb)) {
5976 		ql_dbg(ql_dbg_init, vha, 0x0181,
5977 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5978 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5979 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5980 		ql_dbg(ql_dbg_init, vha, 0x0181,
5981 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5982 	} else {
5983 		/* RDP request is from logged in port */
5984 		kfree(pdb);
5985 		return false;
5986 	}
5987 	kfree(pdb);
5988 
5989 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5990 	fwstr[strcspn(fwstr, " ")] = 0;
5991 	/* if FW version allows RDP response length upto 2048 bytes: */
5992 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5993 		return false;
5994 
5995 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5996 
5997 	/* RDP response length is to be reduced to maximum 256 bytes */
5998 	return true;
5999 }
6000 
6001 /*
6002  * Function Name: qla24xx_process_purex_iocb
6003  *
6004  * Description:
6005  * Prepare a RDP response and send to Fabric switch
6006  *
6007  * PARAMETERS:
6008  * vha:	SCSI qla host
6009  * purex: RDP request received by HBA
6010  */
6011 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6012 			       struct purex_item *item)
6013 {
6014 	struct qla_hw_data *ha = vha->hw;
6015 	struct purex_entry_24xx *purex =
6016 	    (struct purex_entry_24xx *)&item->iocb;
6017 	dma_addr_t rsp_els_dma;
6018 	dma_addr_t rsp_payload_dma;
6019 	dma_addr_t stat_dma;
6020 	dma_addr_t sfp_dma;
6021 	struct els_entry_24xx *rsp_els = NULL;
6022 	struct rdp_rsp_payload *rsp_payload = NULL;
6023 	struct link_statistics *stat = NULL;
6024 	uint8_t *sfp = NULL;
6025 	uint16_t sfp_flags = 0;
6026 	uint rsp_payload_length = sizeof(*rsp_payload);
6027 	int rval;
6028 
6029 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6030 	    "%s: Enter\n", __func__);
6031 
6032 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6033 	    "-------- ELS REQ -------\n");
6034 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6035 	    purex, sizeof(*purex));
6036 
6037 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6038 		rsp_payload_length =
6039 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6040 		ql_dbg(ql_dbg_init, vha, 0x0181,
6041 		    "Reducing RSP payload length to %u bytes...\n",
6042 		    rsp_payload_length);
6043 	}
6044 
6045 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6046 	    &rsp_els_dma, GFP_KERNEL);
6047 	if (!rsp_els) {
6048 		ql_log(ql_log_warn, vha, 0x0183,
6049 		    "Failed allocate dma buffer ELS RSP.\n");
6050 		goto dealloc;
6051 	}
6052 
6053 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6054 	    &rsp_payload_dma, GFP_KERNEL);
6055 	if (!rsp_payload) {
6056 		ql_log(ql_log_warn, vha, 0x0184,
6057 		    "Failed allocate dma buffer ELS RSP payload.\n");
6058 		goto dealloc;
6059 	}
6060 
6061 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6062 	    &sfp_dma, GFP_KERNEL);
6063 
6064 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6065 	    &stat_dma, GFP_KERNEL);
6066 
6067 	/* Prepare Response IOCB */
6068 	rsp_els->entry_type = ELS_IOCB_TYPE;
6069 	rsp_els->entry_count = 1;
6070 	rsp_els->sys_define = 0;
6071 	rsp_els->entry_status = 0;
6072 	rsp_els->handle = 0;
6073 	rsp_els->nport_handle = purex->nport_handle;
6074 	rsp_els->tx_dsd_count = cpu_to_le16(1);
6075 	rsp_els->vp_index = purex->vp_idx;
6076 	rsp_els->sof_type = EST_SOFI3;
6077 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6078 	rsp_els->rx_dsd_count = 0;
6079 	rsp_els->opcode = purex->els_frame_payload[0];
6080 
6081 	rsp_els->d_id[0] = purex->s_id[0];
6082 	rsp_els->d_id[1] = purex->s_id[1];
6083 	rsp_els->d_id[2] = purex->s_id[2];
6084 
6085 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6086 	rsp_els->rx_byte_count = 0;
6087 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6088 
6089 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6090 	rsp_els->tx_len = rsp_els->tx_byte_count;
6091 
6092 	rsp_els->rx_address = 0;
6093 	rsp_els->rx_len = 0;
6094 
6095 	/* Prepare Response Payload */
6096 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6097 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6098 					   sizeof(rsp_payload->hdr));
6099 
6100 	/* Link service Request Info Descriptor */
6101 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6102 	rsp_payload->ls_req_info_desc.desc_len =
6103 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6104 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6105 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6106 
6107 	/* Link service Request Info Descriptor 2 */
6108 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6109 	rsp_payload->ls_req_info_desc2.desc_len =
6110 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6111 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6112 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6113 
6114 
6115 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6116 	rsp_payload->sfp_diag_desc.desc_len =
6117 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6118 
6119 	if (sfp) {
6120 		/* SFP Flags */
6121 		memset(sfp, 0, SFP_RTDI_LEN);
6122 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6123 		if (!rval) {
6124 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6125 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6126 				sfp_flags |= BIT_0; /* short wave */
6127 			else if (sfp[0] & BIT_1)
6128 				sfp_flags |= BIT_1; /* long wave 1310nm */
6129 			else if (sfp[1] & BIT_4)
6130 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6131 		}
6132 
6133 		/* SFP Type */
6134 		memset(sfp, 0, SFP_RTDI_LEN);
6135 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6136 		if (!rval) {
6137 			sfp_flags |= BIT_4; /* optical */
6138 			if (sfp[0] == 0x3)
6139 				sfp_flags |= BIT_6; /* sfp+ */
6140 		}
6141 
6142 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6143 
6144 		/* SFP Diagnostics */
6145 		memset(sfp, 0, SFP_RTDI_LEN);
6146 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6147 		if (!rval) {
6148 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6149 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6150 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6151 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6152 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6153 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6154 		}
6155 	}
6156 
6157 	/* Port Speed Descriptor */
6158 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6159 	rsp_payload->port_speed_desc.desc_len =
6160 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6161 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6162 	    qla25xx_fdmi_port_speed_capability(ha));
6163 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6164 	    qla25xx_fdmi_port_speed_currently(ha));
6165 
6166 	/* Link Error Status Descriptor */
6167 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6168 	rsp_payload->ls_err_desc.desc_len =
6169 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6170 
6171 	if (stat) {
6172 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6173 		if (!rval) {
6174 			rsp_payload->ls_err_desc.link_fail_cnt =
6175 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6176 			rsp_payload->ls_err_desc.loss_sync_cnt =
6177 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6178 			rsp_payload->ls_err_desc.loss_sig_cnt =
6179 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6180 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6181 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6182 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6183 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6184 			rsp_payload->ls_err_desc.inval_crc_cnt =
6185 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6186 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6187 		}
6188 	}
6189 
6190 	/* Portname Descriptor */
6191 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6192 	rsp_payload->port_name_diag_desc.desc_len =
6193 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6194 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6195 	    vha->node_name,
6196 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6197 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6198 	    vha->port_name,
6199 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6200 
6201 	/* F-Port Portname Descriptor */
6202 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6203 	rsp_payload->port_name_direct_desc.desc_len =
6204 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6205 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6206 	    vha->fabric_node_name,
6207 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6208 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6209 	    vha->fabric_port_name,
6210 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6211 
6212 	/* Bufer Credit Descriptor */
6213 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6214 	rsp_payload->buffer_credit_desc.desc_len =
6215 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6216 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6217 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6218 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6219 
6220 	if (ha->flags.plogi_template_valid) {
6221 		uint32_t tmp =
6222 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6223 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6224 	}
6225 
6226 	if (rsp_payload_length < sizeof(*rsp_payload))
6227 		goto send;
6228 
6229 	/* Optical Element Descriptor, Temperature */
6230 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6231 	rsp_payload->optical_elmt_desc[0].desc_len =
6232 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6233 	/* Optical Element Descriptor, Voltage */
6234 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6235 	rsp_payload->optical_elmt_desc[1].desc_len =
6236 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6237 	/* Optical Element Descriptor, Tx Bias Current */
6238 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6239 	rsp_payload->optical_elmt_desc[2].desc_len =
6240 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6241 	/* Optical Element Descriptor, Tx Power */
6242 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6243 	rsp_payload->optical_elmt_desc[3].desc_len =
6244 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6245 	/* Optical Element Descriptor, Rx Power */
6246 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6247 	rsp_payload->optical_elmt_desc[4].desc_len =
6248 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6249 
6250 	if (sfp) {
6251 		memset(sfp, 0, SFP_RTDI_LEN);
6252 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6253 		if (!rval) {
6254 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6255 
6256 			/* Optical Element Descriptor, Temperature */
6257 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6258 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6259 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6260 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6261 			rsp_payload->optical_elmt_desc[0].element_flags =
6262 			    cpu_to_be32(1 << 28);
6263 
6264 			/* Optical Element Descriptor, Voltage */
6265 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6266 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6267 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6268 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6269 			rsp_payload->optical_elmt_desc[1].element_flags =
6270 			    cpu_to_be32(2 << 28);
6271 
6272 			/* Optical Element Descriptor, Tx Bias Current */
6273 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6274 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6275 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6276 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6277 			rsp_payload->optical_elmt_desc[2].element_flags =
6278 			    cpu_to_be32(3 << 28);
6279 
6280 			/* Optical Element Descriptor, Tx Power */
6281 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6282 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6283 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6284 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6285 			rsp_payload->optical_elmt_desc[3].element_flags =
6286 			    cpu_to_be32(4 << 28);
6287 
6288 			/* Optical Element Descriptor, Rx Power */
6289 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6290 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6291 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6292 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6293 			rsp_payload->optical_elmt_desc[4].element_flags =
6294 			    cpu_to_be32(5 << 28);
6295 		}
6296 
6297 		memset(sfp, 0, SFP_RTDI_LEN);
6298 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6299 		if (!rval) {
6300 			/* Temperature high/low alarm/warning */
6301 			rsp_payload->optical_elmt_desc[0].element_flags |=
6302 			    cpu_to_be32(
6303 				(sfp[0] >> 7 & 1) << 3 |
6304 				(sfp[0] >> 6 & 1) << 2 |
6305 				(sfp[4] >> 7 & 1) << 1 |
6306 				(sfp[4] >> 6 & 1) << 0);
6307 
6308 			/* Voltage high/low alarm/warning */
6309 			rsp_payload->optical_elmt_desc[1].element_flags |=
6310 			    cpu_to_be32(
6311 				(sfp[0] >> 5 & 1) << 3 |
6312 				(sfp[0] >> 4 & 1) << 2 |
6313 				(sfp[4] >> 5 & 1) << 1 |
6314 				(sfp[4] >> 4 & 1) << 0);
6315 
6316 			/* Tx Bias Current high/low alarm/warning */
6317 			rsp_payload->optical_elmt_desc[2].element_flags |=
6318 			    cpu_to_be32(
6319 				(sfp[0] >> 3 & 1) << 3 |
6320 				(sfp[0] >> 2 & 1) << 2 |
6321 				(sfp[4] >> 3 & 1) << 1 |
6322 				(sfp[4] >> 2 & 1) << 0);
6323 
6324 			/* Tx Power high/low alarm/warning */
6325 			rsp_payload->optical_elmt_desc[3].element_flags |=
6326 			    cpu_to_be32(
6327 				(sfp[0] >> 1 & 1) << 3 |
6328 				(sfp[0] >> 0 & 1) << 2 |
6329 				(sfp[4] >> 1 & 1) << 1 |
6330 				(sfp[4] >> 0 & 1) << 0);
6331 
6332 			/* Rx Power high/low alarm/warning */
6333 			rsp_payload->optical_elmt_desc[4].element_flags |=
6334 			    cpu_to_be32(
6335 				(sfp[1] >> 7 & 1) << 3 |
6336 				(sfp[1] >> 6 & 1) << 2 |
6337 				(sfp[5] >> 7 & 1) << 1 |
6338 				(sfp[5] >> 6 & 1) << 0);
6339 		}
6340 	}
6341 
6342 	/* Optical Product Data Descriptor */
6343 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6344 	rsp_payload->optical_prod_desc.desc_len =
6345 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6346 
6347 	if (sfp) {
6348 		memset(sfp, 0, SFP_RTDI_LEN);
6349 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6350 		if (!rval) {
6351 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6352 			    sfp + 0,
6353 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6354 			memcpy(rsp_payload->optical_prod_desc.part_number,
6355 			    sfp + 20,
6356 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6357 			memcpy(rsp_payload->optical_prod_desc.revision,
6358 			    sfp + 36,
6359 			    sizeof(rsp_payload->optical_prod_desc.revision));
6360 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6361 			    sfp + 48,
6362 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6363 		}
6364 
6365 		memset(sfp, 0, SFP_RTDI_LEN);
6366 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6367 		if (!rval) {
6368 			memcpy(rsp_payload->optical_prod_desc.date,
6369 			    sfp + 0,
6370 			    sizeof(rsp_payload->optical_prod_desc.date));
6371 		}
6372 	}
6373 
6374 send:
6375 	ql_dbg(ql_dbg_init, vha, 0x0183,
6376 	    "Sending ELS Response to RDP Request...\n");
6377 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6378 	    "-------- ELS RSP -------\n");
6379 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6380 	    rsp_els, sizeof(*rsp_els));
6381 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6382 	    "-------- ELS RSP PAYLOAD -------\n");
6383 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6384 	    rsp_payload, rsp_payload_length);
6385 
6386 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6387 
6388 	if (rval) {
6389 		ql_log(ql_log_warn, vha, 0x0188,
6390 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6391 	} else if (rsp_els->comp_status) {
6392 		ql_log(ql_log_warn, vha, 0x0189,
6393 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6394 		    __func__, rsp_els->comp_status,
6395 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6396 	} else {
6397 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6398 	}
6399 
6400 dealloc:
6401 	if (stat)
6402 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6403 		    stat, stat_dma);
6404 	if (sfp)
6405 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6406 		    sfp, sfp_dma);
6407 	if (rsp_payload)
6408 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6409 		    rsp_payload, rsp_payload_dma);
6410 	if (rsp_els)
6411 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6412 		    rsp_els, rsp_els_dma);
6413 }
6414 
6415 void
6416 qla24xx_free_purex_item(struct purex_item *item)
6417 {
6418 	if (item == &item->vha->default_item)
6419 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6420 	else
6421 		kfree(item);
6422 }
6423 
6424 void qla24xx_process_purex_list(struct purex_list *list)
6425 {
6426 	struct list_head head = LIST_HEAD_INIT(head);
6427 	struct purex_item *item, *next;
6428 	ulong flags;
6429 
6430 	spin_lock_irqsave(&list->lock, flags);
6431 	list_splice_init(&list->head, &head);
6432 	spin_unlock_irqrestore(&list->lock, flags);
6433 
6434 	list_for_each_entry_safe(item, next, &head, list) {
6435 		list_del(&item->list);
6436 		item->process_item(item->vha, item);
6437 		qla24xx_free_purex_item(item);
6438 	}
6439 }
6440 
6441 /*
6442  * Context: task, can sleep
6443  */
6444 void
6445 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6446 {
6447 #if 0
6448 	uint16_t options = (requester_id << 15) | BIT_7;
6449 #endif
6450 	uint16_t retry;
6451 	uint32_t data;
6452 	struct qla_hw_data *ha = base_vha->hw;
6453 
6454 	might_sleep();
6455 
6456 	/* IDC-unlock implementation using driver-unlock/lock-id
6457 	 * remote registers
6458 	 */
6459 	retry = 0;
6460 retry_unlock:
6461 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6462 	    == QLA_SUCCESS) {
6463 		if (data == ha->portnum) {
6464 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6465 			/* Clearing lock-id by setting 0xff */
6466 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6467 		} else if (retry < 10) {
6468 			/* SV: XXX: IDC unlock retrying needed here? */
6469 
6470 			/* Retry for IDC-unlock */
6471 			msleep(QLA83XX_WAIT_LOGIC_MS);
6472 			retry++;
6473 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6474 			    "Failed to release IDC lock, retrying=%d\n", retry);
6475 			goto retry_unlock;
6476 		}
6477 	} else if (retry < 10) {
6478 		/* Retry for IDC-unlock */
6479 		msleep(QLA83XX_WAIT_LOGIC_MS);
6480 		retry++;
6481 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6482 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6483 		goto retry_unlock;
6484 	}
6485 
6486 	return;
6487 
6488 #if 0
6489 	/* XXX: IDC-unlock implementation using access-control mbx */
6490 	retry = 0;
6491 retry_unlock2:
6492 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6493 		if (retry < 10) {
6494 			/* Retry for IDC-unlock */
6495 			msleep(QLA83XX_WAIT_LOGIC_MS);
6496 			retry++;
6497 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6498 			    "Failed to release IDC lock, retrying=%d\n", retry);
6499 			goto retry_unlock2;
6500 		}
6501 	}
6502 
6503 	return;
6504 #endif
6505 }
6506 
6507 int
6508 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6509 {
6510 	int rval = QLA_SUCCESS;
6511 	struct qla_hw_data *ha = vha->hw;
6512 	uint32_t drv_presence;
6513 
6514 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6515 	if (rval == QLA_SUCCESS) {
6516 		drv_presence |= (1 << ha->portnum);
6517 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6518 		    drv_presence);
6519 	}
6520 
6521 	return rval;
6522 }
6523 
6524 int
6525 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6526 {
6527 	int rval = QLA_SUCCESS;
6528 
6529 	qla83xx_idc_lock(vha, 0);
6530 	rval = __qla83xx_set_drv_presence(vha);
6531 	qla83xx_idc_unlock(vha, 0);
6532 
6533 	return rval;
6534 }
6535 
6536 int
6537 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6538 {
6539 	int rval = QLA_SUCCESS;
6540 	struct qla_hw_data *ha = vha->hw;
6541 	uint32_t drv_presence;
6542 
6543 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6544 	if (rval == QLA_SUCCESS) {
6545 		drv_presence &= ~(1 << ha->portnum);
6546 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6547 		    drv_presence);
6548 	}
6549 
6550 	return rval;
6551 }
6552 
6553 int
6554 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6555 {
6556 	int rval = QLA_SUCCESS;
6557 
6558 	qla83xx_idc_lock(vha, 0);
6559 	rval = __qla83xx_clear_drv_presence(vha);
6560 	qla83xx_idc_unlock(vha, 0);
6561 
6562 	return rval;
6563 }
6564 
6565 static void
6566 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6567 {
6568 	struct qla_hw_data *ha = vha->hw;
6569 	uint32_t drv_ack, drv_presence;
6570 	unsigned long ack_timeout;
6571 
6572 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6573 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6574 	while (1) {
6575 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6576 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6577 		if ((drv_ack & drv_presence) == drv_presence)
6578 			break;
6579 
6580 		if (time_after_eq(jiffies, ack_timeout)) {
6581 			ql_log(ql_log_warn, vha, 0xb067,
6582 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6583 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6584 			/*
6585 			 * The function(s) which did not ack in time are forced
6586 			 * to withdraw any further participation in the IDC
6587 			 * reset.
6588 			 */
6589 			if (drv_ack != drv_presence)
6590 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6591 				    drv_ack);
6592 			break;
6593 		}
6594 
6595 		qla83xx_idc_unlock(vha, 0);
6596 		msleep(1000);
6597 		qla83xx_idc_lock(vha, 0);
6598 	}
6599 
6600 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6601 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6602 }
6603 
6604 static int
6605 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6606 {
6607 	int rval = QLA_SUCCESS;
6608 	uint32_t idc_control;
6609 
6610 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6611 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6612 
6613 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6614 	__qla83xx_get_idc_control(vha, &idc_control);
6615 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6616 	__qla83xx_set_idc_control(vha, 0);
6617 
6618 	qla83xx_idc_unlock(vha, 0);
6619 	rval = qla83xx_restart_nic_firmware(vha);
6620 	qla83xx_idc_lock(vha, 0);
6621 
6622 	if (rval != QLA_SUCCESS) {
6623 		ql_log(ql_log_fatal, vha, 0xb06a,
6624 		    "Failed to restart NIC f/w.\n");
6625 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6626 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6627 	} else {
6628 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6629 		    "Success in restarting nic f/w.\n");
6630 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6631 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6632 	}
6633 
6634 	return rval;
6635 }
6636 
6637 /* Assumes idc_lock always held on entry */
6638 int
6639 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6640 {
6641 	struct qla_hw_data *ha = base_vha->hw;
6642 	int rval = QLA_SUCCESS;
6643 	unsigned long dev_init_timeout;
6644 	uint32_t dev_state;
6645 
6646 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6647 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6648 
6649 	while (1) {
6650 
6651 		if (time_after_eq(jiffies, dev_init_timeout)) {
6652 			ql_log(ql_log_warn, base_vha, 0xb06e,
6653 			    "Initialization TIMEOUT!\n");
6654 			/* Init timeout. Disable further NIC Core
6655 			 * communication.
6656 			 */
6657 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6658 				QLA8XXX_DEV_FAILED);
6659 			ql_log(ql_log_info, base_vha, 0xb06f,
6660 			    "HW State: FAILED.\n");
6661 		}
6662 
6663 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6664 		switch (dev_state) {
6665 		case QLA8XXX_DEV_READY:
6666 			if (ha->flags.nic_core_reset_owner)
6667 				qla83xx_idc_audit(base_vha,
6668 				    IDC_AUDIT_COMPLETION);
6669 			ha->flags.nic_core_reset_owner = 0;
6670 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6671 			    "Reset_owner reset by 0x%x.\n",
6672 			    ha->portnum);
6673 			goto exit;
6674 		case QLA8XXX_DEV_COLD:
6675 			if (ha->flags.nic_core_reset_owner)
6676 				rval = qla83xx_device_bootstrap(base_vha);
6677 			else {
6678 			/* Wait for AEN to change device-state */
6679 				qla83xx_idc_unlock(base_vha, 0);
6680 				msleep(1000);
6681 				qla83xx_idc_lock(base_vha, 0);
6682 			}
6683 			break;
6684 		case QLA8XXX_DEV_INITIALIZING:
6685 			/* Wait for AEN to change device-state */
6686 			qla83xx_idc_unlock(base_vha, 0);
6687 			msleep(1000);
6688 			qla83xx_idc_lock(base_vha, 0);
6689 			break;
6690 		case QLA8XXX_DEV_NEED_RESET:
6691 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6692 				qla83xx_need_reset_handler(base_vha);
6693 			else {
6694 				/* Wait for AEN to change device-state */
6695 				qla83xx_idc_unlock(base_vha, 0);
6696 				msleep(1000);
6697 				qla83xx_idc_lock(base_vha, 0);
6698 			}
6699 			/* reset timeout value after need reset handler */
6700 			dev_init_timeout = jiffies +
6701 			    (ha->fcoe_dev_init_timeout * HZ);
6702 			break;
6703 		case QLA8XXX_DEV_NEED_QUIESCENT:
6704 			/* XXX: DEBUG for now */
6705 			qla83xx_idc_unlock(base_vha, 0);
6706 			msleep(1000);
6707 			qla83xx_idc_lock(base_vha, 0);
6708 			break;
6709 		case QLA8XXX_DEV_QUIESCENT:
6710 			/* XXX: DEBUG for now */
6711 			if (ha->flags.quiesce_owner)
6712 				goto exit;
6713 
6714 			qla83xx_idc_unlock(base_vha, 0);
6715 			msleep(1000);
6716 			qla83xx_idc_lock(base_vha, 0);
6717 			dev_init_timeout = jiffies +
6718 			    (ha->fcoe_dev_init_timeout * HZ);
6719 			break;
6720 		case QLA8XXX_DEV_FAILED:
6721 			if (ha->flags.nic_core_reset_owner)
6722 				qla83xx_idc_audit(base_vha,
6723 				    IDC_AUDIT_COMPLETION);
6724 			ha->flags.nic_core_reset_owner = 0;
6725 			__qla83xx_clear_drv_presence(base_vha);
6726 			qla83xx_idc_unlock(base_vha, 0);
6727 			qla8xxx_dev_failed_handler(base_vha);
6728 			rval = QLA_FUNCTION_FAILED;
6729 			qla83xx_idc_lock(base_vha, 0);
6730 			goto exit;
6731 		case QLA8XXX_BAD_VALUE:
6732 			qla83xx_idc_unlock(base_vha, 0);
6733 			msleep(1000);
6734 			qla83xx_idc_lock(base_vha, 0);
6735 			break;
6736 		default:
6737 			ql_log(ql_log_warn, base_vha, 0xb071,
6738 			    "Unknown Device State: %x.\n", dev_state);
6739 			qla83xx_idc_unlock(base_vha, 0);
6740 			qla8xxx_dev_failed_handler(base_vha);
6741 			rval = QLA_FUNCTION_FAILED;
6742 			qla83xx_idc_lock(base_vha, 0);
6743 			goto exit;
6744 		}
6745 	}
6746 
6747 exit:
6748 	return rval;
6749 }
6750 
6751 void
6752 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6753 {
6754 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6755 	    board_disable);
6756 	struct pci_dev *pdev = ha->pdev;
6757 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6758 
6759 	ql_log(ql_log_warn, base_vha, 0x015b,
6760 	    "Disabling adapter.\n");
6761 
6762 	if (!atomic_read(&pdev->enable_cnt)) {
6763 		ql_log(ql_log_info, base_vha, 0xfffc,
6764 		    "PCI device disabled, no action req for PCI error=%lx\n",
6765 		    base_vha->pci_flags);
6766 		return;
6767 	}
6768 
6769 	/*
6770 	 * if UNLOADING flag is already set, then continue unload,
6771 	 * where it was set first.
6772 	 */
6773 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6774 		return;
6775 
6776 	qla2x00_wait_for_sess_deletion(base_vha);
6777 
6778 	qla2x00_delete_all_vps(ha, base_vha);
6779 
6780 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6781 
6782 	qla2x00_dfs_remove(base_vha);
6783 
6784 	qla84xx_put_chip(base_vha);
6785 
6786 	if (base_vha->timer_active)
6787 		qla2x00_stop_timer(base_vha);
6788 
6789 	base_vha->flags.online = 0;
6790 
6791 	qla2x00_destroy_deferred_work(ha);
6792 
6793 	/*
6794 	 * Do not try to stop beacon blink as it will issue a mailbox
6795 	 * command.
6796 	 */
6797 	qla2x00_free_sysfs_attr(base_vha, false);
6798 
6799 	fc_remove_host(base_vha->host);
6800 
6801 	scsi_remove_host(base_vha->host);
6802 
6803 	base_vha->flags.init_done = 0;
6804 	qla25xx_delete_queues(base_vha);
6805 	qla2x00_free_fcports(base_vha);
6806 	qla2x00_free_irqs(base_vha);
6807 	qla2x00_mem_free(ha);
6808 	qla82xx_md_free(base_vha);
6809 	qla2x00_free_queues(ha);
6810 
6811 	qla2x00_unmap_iobases(ha);
6812 
6813 	pci_release_selected_regions(ha->pdev, ha->bars);
6814 	pci_disable_pcie_error_reporting(pdev);
6815 	pci_disable_device(pdev);
6816 
6817 	/*
6818 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6819 	 */
6820 }
6821 
6822 /**************************************************************************
6823 * qla2x00_do_dpc
6824 *   This kernel thread is a task that is schedule by the interrupt handler
6825 *   to perform the background processing for interrupts.
6826 *
6827 * Notes:
6828 * This task always run in the context of a kernel thread.  It
6829 * is kick-off by the driver's detect code and starts up
6830 * up one per adapter. It immediately goes to sleep and waits for
6831 * some fibre event.  When either the interrupt handler or
6832 * the timer routine detects a event it will one of the task
6833 * bits then wake us up.
6834 **************************************************************************/
6835 static int
6836 qla2x00_do_dpc(void *data)
6837 {
6838 	scsi_qla_host_t *base_vha;
6839 	struct qla_hw_data *ha;
6840 	uint32_t online;
6841 	struct qla_qpair *qpair;
6842 
6843 	ha = (struct qla_hw_data *)data;
6844 	base_vha = pci_get_drvdata(ha->pdev);
6845 
6846 	set_user_nice(current, MIN_NICE);
6847 
6848 	set_current_state(TASK_INTERRUPTIBLE);
6849 	while (!kthread_should_stop()) {
6850 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6851 		    "DPC handler sleeping.\n");
6852 
6853 		schedule();
6854 
6855 		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6856 			qla_pci_set_eeh_busy(base_vha);
6857 
6858 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6859 			goto end_loop;
6860 
6861 		if (ha->flags.eeh_busy) {
6862 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6863 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6864 			goto end_loop;
6865 		}
6866 
6867 		ha->dpc_active = 1;
6868 
6869 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6870 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6871 		    base_vha->dpc_flags);
6872 
6873 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6874 			break;
6875 
6876 		if (IS_P3P_TYPE(ha)) {
6877 			if (IS_QLA8044(ha)) {
6878 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6879 					&base_vha->dpc_flags)) {
6880 					qla8044_idc_lock(ha);
6881 					qla8044_wr_direct(base_vha,
6882 						QLA8044_CRB_DEV_STATE_INDEX,
6883 						QLA8XXX_DEV_FAILED);
6884 					qla8044_idc_unlock(ha);
6885 					ql_log(ql_log_info, base_vha, 0x4004,
6886 						"HW State: FAILED.\n");
6887 					qla8044_device_state_handler(base_vha);
6888 					continue;
6889 				}
6890 
6891 			} else {
6892 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6893 					&base_vha->dpc_flags)) {
6894 					qla82xx_idc_lock(ha);
6895 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6896 						QLA8XXX_DEV_FAILED);
6897 					qla82xx_idc_unlock(ha);
6898 					ql_log(ql_log_info, base_vha, 0x0151,
6899 						"HW State: FAILED.\n");
6900 					qla82xx_device_state_handler(base_vha);
6901 					continue;
6902 				}
6903 			}
6904 
6905 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6906 				&base_vha->dpc_flags)) {
6907 
6908 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6909 				    "FCoE context reset scheduled.\n");
6910 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6911 					&base_vha->dpc_flags))) {
6912 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6913 						/* FCoE-ctx reset failed.
6914 						 * Escalate to chip-reset
6915 						 */
6916 						set_bit(ISP_ABORT_NEEDED,
6917 							&base_vha->dpc_flags);
6918 					}
6919 					clear_bit(ABORT_ISP_ACTIVE,
6920 						&base_vha->dpc_flags);
6921 				}
6922 
6923 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6924 				    "FCoE context reset end.\n");
6925 			}
6926 		} else if (IS_QLAFX00(ha)) {
6927 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6928 				&base_vha->dpc_flags)) {
6929 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6930 				    "Firmware Reset Recovery\n");
6931 				if (qlafx00_reset_initialize(base_vha)) {
6932 					/* Failed. Abort isp later. */
6933 					if (!test_bit(UNLOADING,
6934 					    &base_vha->dpc_flags)) {
6935 						set_bit(ISP_UNRECOVERABLE,
6936 						    &base_vha->dpc_flags);
6937 						ql_dbg(ql_dbg_dpc, base_vha,
6938 						    0x4021,
6939 						    "Reset Recovery Failed\n");
6940 					}
6941 				}
6942 			}
6943 
6944 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6945 				&base_vha->dpc_flags)) {
6946 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6947 				    "ISPFx00 Target Scan scheduled\n");
6948 				if (qlafx00_rescan_isp(base_vha)) {
6949 					if (!test_bit(UNLOADING,
6950 					    &base_vha->dpc_flags))
6951 						set_bit(ISP_UNRECOVERABLE,
6952 						    &base_vha->dpc_flags);
6953 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6954 					    "ISPFx00 Target Scan Failed\n");
6955 				}
6956 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6957 				    "ISPFx00 Target Scan End\n");
6958 			}
6959 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6960 				&base_vha->dpc_flags)) {
6961 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6962 				    "ISPFx00 Host Info resend scheduled\n");
6963 				qlafx00_fx_disc(base_vha,
6964 				    &base_vha->hw->mr.fcport,
6965 				    FXDISC_REG_HOST_INFO);
6966 			}
6967 		}
6968 
6969 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6970 		    &base_vha->dpc_flags)) {
6971 			/* Semantic:
6972 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6973 			 *             to minimize disruptions that will occur
6974 			 *             when a forced chip-reset occurs.
6975 			 *  - Force -- ISP-ABORT scheduled.
6976 			 */
6977 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6978 		}
6979 
6980 		if (test_and_clear_bit
6981 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6982 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6983 			bool do_reset = true;
6984 
6985 			switch (base_vha->qlini_mode) {
6986 			case QLA2XXX_INI_MODE_ENABLED:
6987 				break;
6988 			case QLA2XXX_INI_MODE_DISABLED:
6989 				if (!qla_tgt_mode_enabled(base_vha) &&
6990 				    !ha->flags.fw_started)
6991 					do_reset = false;
6992 				break;
6993 			case QLA2XXX_INI_MODE_DUAL:
6994 				if (!qla_dual_mode_enabled(base_vha) &&
6995 				    !ha->flags.fw_started)
6996 					do_reset = false;
6997 				break;
6998 			default:
6999 				break;
7000 			}
7001 
7002 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7003 			    &base_vha->dpc_flags))) {
7004 				base_vha->flags.online = 1;
7005 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7006 				    "ISP abort scheduled.\n");
7007 				if (ha->isp_ops->abort_isp(base_vha)) {
7008 					/* failed. retry later */
7009 					set_bit(ISP_ABORT_NEEDED,
7010 					    &base_vha->dpc_flags);
7011 				}
7012 				clear_bit(ABORT_ISP_ACTIVE,
7013 						&base_vha->dpc_flags);
7014 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7015 				    "ISP abort end.\n");
7016 			}
7017 		}
7018 
7019 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7020 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7021 				qla24xx_process_purex_list
7022 					(&base_vha->purex_list);
7023 				clear_bit(PROCESS_PUREX_IOCB,
7024 				    &base_vha->dpc_flags);
7025 			}
7026 		}
7027 
7028 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
7029 		    &base_vha->dpc_flags)) {
7030 			qla2x00_update_fcports(base_vha);
7031 		}
7032 
7033 		if (IS_QLAFX00(ha))
7034 			goto loop_resync_check;
7035 
7036 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7037 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7038 			    "Quiescence mode scheduled.\n");
7039 			if (IS_P3P_TYPE(ha)) {
7040 				if (IS_QLA82XX(ha))
7041 					qla82xx_device_state_handler(base_vha);
7042 				if (IS_QLA8044(ha))
7043 					qla8044_device_state_handler(base_vha);
7044 				clear_bit(ISP_QUIESCE_NEEDED,
7045 				    &base_vha->dpc_flags);
7046 				if (!ha->flags.quiesce_owner) {
7047 					qla2x00_perform_loop_resync(base_vha);
7048 					if (IS_QLA82XX(ha)) {
7049 						qla82xx_idc_lock(ha);
7050 						qla82xx_clear_qsnt_ready(
7051 						    base_vha);
7052 						qla82xx_idc_unlock(ha);
7053 					} else if (IS_QLA8044(ha)) {
7054 						qla8044_idc_lock(ha);
7055 						qla8044_clear_qsnt_ready(
7056 						    base_vha);
7057 						qla8044_idc_unlock(ha);
7058 					}
7059 				}
7060 			} else {
7061 				clear_bit(ISP_QUIESCE_NEEDED,
7062 				    &base_vha->dpc_flags);
7063 				qla2x00_quiesce_io(base_vha);
7064 			}
7065 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7066 			    "Quiescence mode end.\n");
7067 		}
7068 
7069 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7070 				&base_vha->dpc_flags) &&
7071 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7072 
7073 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7074 			    "Reset marker scheduled.\n");
7075 			qla2x00_rst_aen(base_vha);
7076 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7077 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7078 			    "Reset marker end.\n");
7079 		}
7080 
7081 		/* Retry each device up to login retry count */
7082 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7083 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7084 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7085 
7086 			if (!base_vha->relogin_jif ||
7087 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7088 				base_vha->relogin_jif = jiffies + HZ;
7089 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7090 
7091 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7092 				    "Relogin scheduled.\n");
7093 				qla24xx_post_relogin_work(base_vha);
7094 			}
7095 		}
7096 loop_resync_check:
7097 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
7098 		    &base_vha->dpc_flags)) {
7099 
7100 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7101 			    "Loop resync scheduled.\n");
7102 
7103 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7104 			    &base_vha->dpc_flags))) {
7105 
7106 				qla2x00_loop_resync(base_vha);
7107 
7108 				clear_bit(LOOP_RESYNC_ACTIVE,
7109 						&base_vha->dpc_flags);
7110 			}
7111 
7112 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7113 			    "Loop resync end.\n");
7114 		}
7115 
7116 		if (IS_QLAFX00(ha))
7117 			goto intr_on_check;
7118 
7119 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7120 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7121 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7122 			qla2xxx_flash_npiv_conf(base_vha);
7123 		}
7124 
7125 intr_on_check:
7126 		if (!ha->interrupts_on)
7127 			ha->isp_ops->enable_intrs(ha);
7128 
7129 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7130 					&base_vha->dpc_flags)) {
7131 			if (ha->beacon_blink_led == 1)
7132 				ha->isp_ops->beacon_blink(base_vha);
7133 		}
7134 
7135 		/* qpair online check */
7136 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7137 		    &base_vha->dpc_flags)) {
7138 			if (ha->flags.eeh_busy ||
7139 			    ha->flags.pci_channel_io_perm_failure)
7140 				online = 0;
7141 			else
7142 				online = 1;
7143 
7144 			mutex_lock(&ha->mq_lock);
7145 			list_for_each_entry(qpair, &base_vha->qp_list,
7146 			    qp_list_elem)
7147 			qpair->online = online;
7148 			mutex_unlock(&ha->mq_lock);
7149 		}
7150 
7151 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7152 				       &base_vha->dpc_flags)) {
7153 			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7154 
7155 			if (threshold > ha->orig_fw_xcb_count)
7156 				threshold = ha->orig_fw_xcb_count;
7157 
7158 			ql_log(ql_log_info, base_vha, 0xffffff,
7159 			       "SET ZIO Activity exchange threshold to %d.\n",
7160 			       threshold);
7161 			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7162 				ql_log(ql_log_info, base_vha, 0xffffff,
7163 				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7164 				       threshold);
7165 			}
7166 		}
7167 
7168 		if (!IS_QLAFX00(ha))
7169 			qla2x00_do_dpc_all_vps(base_vha);
7170 
7171 		if (test_and_clear_bit(N2N_LINK_RESET,
7172 			&base_vha->dpc_flags)) {
7173 			qla2x00_lip_reset(base_vha);
7174 		}
7175 
7176 		ha->dpc_active = 0;
7177 end_loop:
7178 		set_current_state(TASK_INTERRUPTIBLE);
7179 	} /* End of while(1) */
7180 	__set_current_state(TASK_RUNNING);
7181 
7182 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7183 	    "DPC handler exiting.\n");
7184 
7185 	/*
7186 	 * Make sure that nobody tries to wake us up again.
7187 	 */
7188 	ha->dpc_active = 0;
7189 
7190 	/* Cleanup any residual CTX SRBs. */
7191 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7192 
7193 	return 0;
7194 }
7195 
7196 void
7197 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7198 {
7199 	struct qla_hw_data *ha = vha->hw;
7200 	struct task_struct *t = ha->dpc_thread;
7201 
7202 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7203 		wake_up_process(t);
7204 }
7205 
7206 /*
7207 *  qla2x00_rst_aen
7208 *      Processes asynchronous reset.
7209 *
7210 * Input:
7211 *      ha  = adapter block pointer.
7212 */
7213 static void
7214 qla2x00_rst_aen(scsi_qla_host_t *vha)
7215 {
7216 	if (vha->flags.online && !vha->flags.reset_active &&
7217 	    !atomic_read(&vha->loop_down_timer) &&
7218 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7219 		do {
7220 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7221 
7222 			/*
7223 			 * Issue marker command only when we are going to start
7224 			 * the I/O.
7225 			 */
7226 			vha->marker_needed = 1;
7227 		} while (!atomic_read(&vha->loop_down_timer) &&
7228 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7229 	}
7230 }
7231 
7232 static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7233 {
7234 	struct qla_hw_data *ha = vha->hw;
7235 	u32 cmpl_cnt;
7236 	u16 i;
7237 	bool do_heartbeat = false;
7238 
7239 	/*
7240 	 * Allow do_heartbeat only if we don’t have any active interrupts,
7241 	 * but there are still IOs outstanding with firmware.
7242 	 */
7243 	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7244 	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7245 	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7246 		do_heartbeat = true;
7247 		goto skip;
7248 	}
7249 	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7250 
7251 	for (i = 0; i < ha->max_qpairs; i++) {
7252 		if (ha->queue_pair_map[i]) {
7253 			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7254 			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7255 			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7256 				do_heartbeat = true;
7257 				break;
7258 			}
7259 			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7260 		}
7261 	}
7262 
7263 skip:
7264 	return do_heartbeat;
7265 }
7266 
7267 static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7268 {
7269 	struct qla_hw_data *ha = vha->hw;
7270 
7271 	if (vha->vp_idx)
7272 		return;
7273 
7274 	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7275 		return;
7276 
7277 	/*
7278 	 * dpc thread cannot run if heartbeat is running at the same time.
7279 	 * We also do not want to starve heartbeat task. Therefore, do
7280 	 * heartbeat task at least once every 5 seconds.
7281 	 */
7282 	if (dpc_started &&
7283 	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7284 		return;
7285 
7286 	if (qla_do_heartbeat(vha)) {
7287 		ha->last_heartbeat_run_jiffies = jiffies;
7288 		queue_work(ha->wq, &ha->heartbeat_work);
7289 	}
7290 }
7291 
7292 static void qla_wind_down_chip(scsi_qla_host_t *vha)
7293 {
7294 	struct qla_hw_data *ha = vha->hw;
7295 
7296 	if (!ha->flags.eeh_busy)
7297 		return;
7298 	if (ha->pci_error_state)
7299 		/* system is trying to recover */
7300 		return;
7301 
7302 	/*
7303 	 * Current system is not handling PCIE error.  At this point, this is
7304 	 * best effort to wind down the adapter.
7305 	 */
7306 	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7307 	    !ha->flags.eeh_flush) {
7308 		ql_log(ql_log_info, vha, 0x9009,
7309 		    "PCI Error detected, attempting to reset hardware.\n");
7310 
7311 		ha->isp_ops->reset_chip(vha);
7312 		ha->isp_ops->disable_intrs(ha);
7313 
7314 		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7315 		ha->eeh_jif = jiffies;
7316 
7317 	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7318 	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7319 		pci_clear_master(ha->pdev);
7320 
7321 		/* flush all command */
7322 		qla2x00_abort_isp_cleanup(vha);
7323 		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7324 
7325 		ql_log(ql_log_info, vha, 0x900a,
7326 		    "PCI Error handling complete, all IOs aborted.\n");
7327 	}
7328 }
7329 
7330 /**************************************************************************
7331 *   qla2x00_timer
7332 *
7333 * Description:
7334 *   One second timer
7335 *
7336 * Context: Interrupt
7337 ***************************************************************************/
7338 void
7339 qla2x00_timer(struct timer_list *t)
7340 {
7341 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7342 	unsigned long	cpu_flags = 0;
7343 	int		start_dpc = 0;
7344 	int		index;
7345 	srb_t		*sp;
7346 	uint16_t        w;
7347 	struct qla_hw_data *ha = vha->hw;
7348 	struct req_que *req;
7349 	unsigned long flags;
7350 	fc_port_t *fcport = NULL;
7351 
7352 	if (ha->flags.eeh_busy) {
7353 		qla_wind_down_chip(vha);
7354 
7355 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7356 		    "EEH = %d, restarting timer.\n",
7357 		    ha->flags.eeh_busy);
7358 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7359 		return;
7360 	}
7361 
7362 	/*
7363 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7364 	 * the read returns -1 then disable the board.
7365 	 */
7366 	if (!pci_channel_offline(ha->pdev)) {
7367 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7368 		qla2x00_check_reg16_for_disconnect(vha, w);
7369 	}
7370 
7371 	/* Make sure qla82xx_watchdog is run only for physical port */
7372 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7373 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7374 			start_dpc++;
7375 		if (IS_QLA82XX(ha))
7376 			qla82xx_watchdog(vha);
7377 		else if (IS_QLA8044(ha))
7378 			qla8044_watchdog(vha);
7379 	}
7380 
7381 	if (!vha->vp_idx && IS_QLAFX00(ha))
7382 		qlafx00_timer_routine(vha);
7383 
7384 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7385 		vha->link_down_time++;
7386 
7387 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7388 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7389 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7390 			fcport->tgt_link_down_time++;
7391 	}
7392 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7393 
7394 	/* Loop down handler. */
7395 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7396 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7397 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7398 		&& vha->flags.online) {
7399 
7400 		if (atomic_read(&vha->loop_down_timer) ==
7401 		    vha->loop_down_abort_time) {
7402 
7403 			ql_log(ql_log_info, vha, 0x6008,
7404 			    "Loop down - aborting the queues before time expires.\n");
7405 
7406 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7407 				atomic_set(&vha->loop_state, LOOP_DEAD);
7408 
7409 			/*
7410 			 * Schedule an ISP abort to return any FCP2-device
7411 			 * commands.
7412 			 */
7413 			/* NPIV - scan physical port only */
7414 			if (!vha->vp_idx) {
7415 				spin_lock_irqsave(&ha->hardware_lock,
7416 				    cpu_flags);
7417 				req = ha->req_q_map[0];
7418 				for (index = 1;
7419 				    index < req->num_outstanding_cmds;
7420 				    index++) {
7421 					fc_port_t *sfcp;
7422 
7423 					sp = req->outstanding_cmds[index];
7424 					if (!sp)
7425 						continue;
7426 					if (sp->cmd_type != TYPE_SRB)
7427 						continue;
7428 					if (sp->type != SRB_SCSI_CMD)
7429 						continue;
7430 					sfcp = sp->fcport;
7431 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7432 						continue;
7433 
7434 					if (IS_QLA82XX(ha))
7435 						set_bit(FCOE_CTX_RESET_NEEDED,
7436 							&vha->dpc_flags);
7437 					else
7438 						set_bit(ISP_ABORT_NEEDED,
7439 							&vha->dpc_flags);
7440 					break;
7441 				}
7442 				spin_unlock_irqrestore(&ha->hardware_lock,
7443 								cpu_flags);
7444 			}
7445 			start_dpc++;
7446 		}
7447 
7448 		/* if the loop has been down for 4 minutes, reinit adapter */
7449 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7450 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7451 				ql_log(ql_log_warn, vha, 0x6009,
7452 				    "Loop down - aborting ISP.\n");
7453 
7454 				if (IS_QLA82XX(ha))
7455 					set_bit(FCOE_CTX_RESET_NEEDED,
7456 						&vha->dpc_flags);
7457 				else
7458 					set_bit(ISP_ABORT_NEEDED,
7459 						&vha->dpc_flags);
7460 			}
7461 		}
7462 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7463 		    "Loop down - seconds remaining %d.\n",
7464 		    atomic_read(&vha->loop_down_timer));
7465 	}
7466 	/* Check if beacon LED needs to be blinked for physical host only */
7467 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7468 		/* There is no beacon_blink function for ISP82xx */
7469 		if (!IS_P3P_TYPE(ha)) {
7470 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7471 			start_dpc++;
7472 		}
7473 	}
7474 
7475 	/* check if edif running */
7476 	if (vha->hw->flags.edif_enabled)
7477 		qla_edif_timer(vha);
7478 
7479 	/* Process any deferred work. */
7480 	if (!list_empty(&vha->work_list)) {
7481 		unsigned long flags;
7482 		bool q = false;
7483 
7484 		spin_lock_irqsave(&vha->work_lock, flags);
7485 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7486 			q = true;
7487 		spin_unlock_irqrestore(&vha->work_lock, flags);
7488 		if (q)
7489 			queue_work(vha->hw->wq, &vha->iocb_work);
7490 	}
7491 
7492 	/*
7493 	 * FC-NVME
7494 	 * see if the active AEN count has changed from what was last reported.
7495 	 */
7496 	index = atomic_read(&ha->nvme_active_aen_cnt);
7497 	if (!vha->vp_idx &&
7498 	    (index != ha->nvme_last_rptd_aen) &&
7499 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7500 	    !ha->flags.host_shutting_down) {
7501 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7502 		ql_log(ql_log_info, vha, 0x3002,
7503 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7504 		    ha->nvme_last_rptd_aen);
7505 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7506 		start_dpc++;
7507 	}
7508 
7509 	if (!vha->vp_idx &&
7510 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7511 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7512 		ql_log(ql_log_info, vha, 0x3002,
7513 		    "Sched: Set ZIO exchange threshold to %d.\n",
7514 		    ha->last_zio_threshold);
7515 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7516 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7517 		start_dpc++;
7518 	}
7519 
7520 	/* borrowing w to signify dpc will run */
7521 	w = 0;
7522 	/* Schedule the DPC routine if needed */
7523 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7524 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7525 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7526 	    start_dpc ||
7527 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7528 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7529 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7530 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7531 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7532 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7533 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7534 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7535 		    "isp_abort_needed=%d loop_resync_needed=%d "
7536 		    "fcport_update_needed=%d start_dpc=%d "
7537 		    "reset_marker_needed=%d",
7538 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7539 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7540 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7541 		    start_dpc,
7542 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7543 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7544 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7545 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7546 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7547 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7548 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7549 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7550 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7551 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7552 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7553 		qla2xxx_wake_dpc(vha);
7554 		w = 1;
7555 	}
7556 
7557 	qla_heart_beat(vha, w);
7558 
7559 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7560 }
7561 
7562 /* Firmware interface routines. */
7563 
7564 #define FW_ISP21XX	0
7565 #define FW_ISP22XX	1
7566 #define FW_ISP2300	2
7567 #define FW_ISP2322	3
7568 #define FW_ISP24XX	4
7569 #define FW_ISP25XX	5
7570 #define FW_ISP81XX	6
7571 #define FW_ISP82XX	7
7572 #define FW_ISP2031	8
7573 #define FW_ISP8031	9
7574 #define FW_ISP27XX	10
7575 #define FW_ISP28XX	11
7576 
7577 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7578 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7579 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7580 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7581 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7582 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7583 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7584 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7585 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7586 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7587 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7588 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7589 
7590 
7591 static DEFINE_MUTEX(qla_fw_lock);
7592 
7593 static struct fw_blob qla_fw_blobs[] = {
7594 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7595 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7596 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7597 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7598 	{ .name = FW_FILE_ISP24XX, },
7599 	{ .name = FW_FILE_ISP25XX, },
7600 	{ .name = FW_FILE_ISP81XX, },
7601 	{ .name = FW_FILE_ISP82XX, },
7602 	{ .name = FW_FILE_ISP2031, },
7603 	{ .name = FW_FILE_ISP8031, },
7604 	{ .name = FW_FILE_ISP27XX, },
7605 	{ .name = FW_FILE_ISP28XX, },
7606 	{ .name = NULL, },
7607 };
7608 
7609 struct fw_blob *
7610 qla2x00_request_firmware(scsi_qla_host_t *vha)
7611 {
7612 	struct qla_hw_data *ha = vha->hw;
7613 	struct fw_blob *blob;
7614 
7615 	if (IS_QLA2100(ha)) {
7616 		blob = &qla_fw_blobs[FW_ISP21XX];
7617 	} else if (IS_QLA2200(ha)) {
7618 		blob = &qla_fw_blobs[FW_ISP22XX];
7619 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7620 		blob = &qla_fw_blobs[FW_ISP2300];
7621 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7622 		blob = &qla_fw_blobs[FW_ISP2322];
7623 	} else if (IS_QLA24XX_TYPE(ha)) {
7624 		blob = &qla_fw_blobs[FW_ISP24XX];
7625 	} else if (IS_QLA25XX(ha)) {
7626 		blob = &qla_fw_blobs[FW_ISP25XX];
7627 	} else if (IS_QLA81XX(ha)) {
7628 		blob = &qla_fw_blobs[FW_ISP81XX];
7629 	} else if (IS_QLA82XX(ha)) {
7630 		blob = &qla_fw_blobs[FW_ISP82XX];
7631 	} else if (IS_QLA2031(ha)) {
7632 		blob = &qla_fw_blobs[FW_ISP2031];
7633 	} else if (IS_QLA8031(ha)) {
7634 		blob = &qla_fw_blobs[FW_ISP8031];
7635 	} else if (IS_QLA27XX(ha)) {
7636 		blob = &qla_fw_blobs[FW_ISP27XX];
7637 	} else if (IS_QLA28XX(ha)) {
7638 		blob = &qla_fw_blobs[FW_ISP28XX];
7639 	} else {
7640 		return NULL;
7641 	}
7642 
7643 	if (!blob->name)
7644 		return NULL;
7645 
7646 	mutex_lock(&qla_fw_lock);
7647 	if (blob->fw)
7648 		goto out;
7649 
7650 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7651 		ql_log(ql_log_warn, vha, 0x0063,
7652 		    "Failed to load firmware image (%s).\n", blob->name);
7653 		blob->fw = NULL;
7654 		blob = NULL;
7655 	}
7656 
7657 out:
7658 	mutex_unlock(&qla_fw_lock);
7659 	return blob;
7660 }
7661 
7662 static void
7663 qla2x00_release_firmware(void)
7664 {
7665 	struct fw_blob *blob;
7666 
7667 	mutex_lock(&qla_fw_lock);
7668 	for (blob = qla_fw_blobs; blob->name; blob++)
7669 		release_firmware(blob->fw);
7670 	mutex_unlock(&qla_fw_lock);
7671 }
7672 
7673 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7674 {
7675 	struct qla_hw_data *ha = vha->hw;
7676 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7677 	struct qla_qpair *qpair = NULL;
7678 	struct scsi_qla_host *vp, *tvp;
7679 	fc_port_t *fcport;
7680 	int i;
7681 	unsigned long flags;
7682 
7683 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7684 	       "%s\n", __func__);
7685 	ha->chip_reset++;
7686 
7687 	ha->base_qpair->chip_reset = ha->chip_reset;
7688 	for (i = 0; i < ha->max_qpairs; i++) {
7689 		if (ha->queue_pair_map[i])
7690 			ha->queue_pair_map[i]->chip_reset =
7691 			    ha->base_qpair->chip_reset;
7692 	}
7693 
7694 	/*
7695 	 * purge mailbox might take a while. Slot Reset/chip reset
7696 	 * will take care of the purge
7697 	 */
7698 
7699 	mutex_lock(&ha->mq_lock);
7700 	ha->base_qpair->online = 0;
7701 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7702 		qpair->online = 0;
7703 	wmb();
7704 	mutex_unlock(&ha->mq_lock);
7705 
7706 	qla2x00_mark_all_devices_lost(vha);
7707 
7708 	spin_lock_irqsave(&ha->vport_slock, flags);
7709 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7710 		atomic_inc(&vp->vref_count);
7711 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7712 		qla2x00_mark_all_devices_lost(vp);
7713 		spin_lock_irqsave(&ha->vport_slock, flags);
7714 		atomic_dec(&vp->vref_count);
7715 	}
7716 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7717 
7718 	/* Clear all async request states across all VPs. */
7719 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7720 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7721 
7722 	spin_lock_irqsave(&ha->vport_slock, flags);
7723 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7724 		atomic_inc(&vp->vref_count);
7725 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7726 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7727 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7728 		spin_lock_irqsave(&ha->vport_slock, flags);
7729 		atomic_dec(&vp->vref_count);
7730 	}
7731 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7732 }
7733 
7734 
7735 static pci_ers_result_t
7736 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7737 {
7738 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7739 	struct qla_hw_data *ha = vha->hw;
7740 	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7741 
7742 	ql_log(ql_log_warn, vha, 0x9000,
7743 	       "PCI error detected, state %x.\n", state);
7744 	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7745 
7746 	if (!atomic_read(&pdev->enable_cnt)) {
7747 		ql_log(ql_log_info, vha, 0xffff,
7748 			"PCI device is disabled,state %x\n", state);
7749 		ret = PCI_ERS_RESULT_NEED_RESET;
7750 		goto out;
7751 	}
7752 
7753 	switch (state) {
7754 	case pci_channel_io_normal:
7755 		qla_pci_set_eeh_busy(vha);
7756 		if (ql2xmqsupport || ql2xnvmeenable) {
7757 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7758 			qla2xxx_wake_dpc(vha);
7759 		}
7760 		ret = PCI_ERS_RESULT_CAN_RECOVER;
7761 		break;
7762 	case pci_channel_io_frozen:
7763 		qla_pci_set_eeh_busy(vha);
7764 		ret = PCI_ERS_RESULT_NEED_RESET;
7765 		break;
7766 	case pci_channel_io_perm_failure:
7767 		ha->flags.pci_channel_io_perm_failure = 1;
7768 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7769 		if (ql2xmqsupport || ql2xnvmeenable) {
7770 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7771 			qla2xxx_wake_dpc(vha);
7772 		}
7773 		ret = PCI_ERS_RESULT_DISCONNECT;
7774 	}
7775 out:
7776 	ql_dbg(ql_dbg_aer, vha, 0x600d,
7777 	       "PCI error detected returning [%x].\n", ret);
7778 	return ret;
7779 }
7780 
7781 static pci_ers_result_t
7782 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7783 {
7784 	int risc_paused = 0;
7785 	uint32_t stat;
7786 	unsigned long flags;
7787 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7788 	struct qla_hw_data *ha = base_vha->hw;
7789 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7790 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7791 
7792 	ql_log(ql_log_warn, base_vha, 0x9000,
7793 	       "mmio enabled\n");
7794 
7795 	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7796 
7797 	if (IS_QLA82XX(ha))
7798 		return PCI_ERS_RESULT_RECOVERED;
7799 
7800 	if (qla2x00_isp_reg_stat(ha)) {
7801 		ql_log(ql_log_info, base_vha, 0x803f,
7802 		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7803 		goto out;
7804 	}
7805 
7806 	spin_lock_irqsave(&ha->hardware_lock, flags);
7807 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7808 		stat = rd_reg_word(&reg->hccr);
7809 		if (stat & HCCR_RISC_PAUSE)
7810 			risc_paused = 1;
7811 	} else if (IS_QLA23XX(ha)) {
7812 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7813 		if (stat & HSR_RISC_PAUSED)
7814 			risc_paused = 1;
7815 	} else if (IS_FWI2_CAPABLE(ha)) {
7816 		stat = rd_reg_dword(&reg24->host_status);
7817 		if (stat & HSRX_RISC_PAUSED)
7818 			risc_paused = 1;
7819 	}
7820 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7821 
7822 	if (risc_paused) {
7823 		ql_log(ql_log_info, base_vha, 0x9003,
7824 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7825 		qla2xxx_dump_fw(base_vha);
7826 	}
7827 out:
7828 	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7829 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7830 	       "mmio enabled returning.\n");
7831 	return PCI_ERS_RESULT_NEED_RESET;
7832 }
7833 
7834 static pci_ers_result_t
7835 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7836 {
7837 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7838 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7839 	struct qla_hw_data *ha = base_vha->hw;
7840 	int rc;
7841 	struct qla_qpair *qpair = NULL;
7842 
7843 	ql_log(ql_log_warn, base_vha, 0x9004,
7844 	       "Slot Reset.\n");
7845 
7846 	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7847 	/* Workaround: qla2xxx driver which access hardware earlier
7848 	 * needs error state to be pci_channel_io_online.
7849 	 * Otherwise mailbox command timesout.
7850 	 */
7851 	pdev->error_state = pci_channel_io_normal;
7852 
7853 	pci_restore_state(pdev);
7854 
7855 	/* pci_restore_state() clears the saved_state flag of the device
7856 	 * save restored state which resets saved_state flag
7857 	 */
7858 	pci_save_state(pdev);
7859 
7860 	if (ha->mem_only)
7861 		rc = pci_enable_device_mem(pdev);
7862 	else
7863 		rc = pci_enable_device(pdev);
7864 
7865 	if (rc) {
7866 		ql_log(ql_log_warn, base_vha, 0x9005,
7867 		    "Can't re-enable PCI device after reset.\n");
7868 		goto exit_slot_reset;
7869 	}
7870 
7871 
7872 	if (ha->isp_ops->pci_config(base_vha))
7873 		goto exit_slot_reset;
7874 
7875 	mutex_lock(&ha->mq_lock);
7876 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7877 		qpair->online = 1;
7878 	mutex_unlock(&ha->mq_lock);
7879 
7880 	ha->flags.eeh_busy = 0;
7881 	base_vha->flags.online = 1;
7882 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7883 	ha->isp_ops->abort_isp(base_vha);
7884 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7885 
7886 	if (qla2x00_isp_reg_stat(ha)) {
7887 		ha->flags.eeh_busy = 1;
7888 		qla_pci_error_cleanup(base_vha);
7889 		ql_log(ql_log_warn, base_vha, 0x9005,
7890 		       "Device unable to recover from PCI error.\n");
7891 	} else {
7892 		ret =  PCI_ERS_RESULT_RECOVERED;
7893 	}
7894 
7895 exit_slot_reset:
7896 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7897 	    "Slot Reset returning %x.\n", ret);
7898 
7899 	return ret;
7900 }
7901 
7902 static void
7903 qla2xxx_pci_resume(struct pci_dev *pdev)
7904 {
7905 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7906 	struct qla_hw_data *ha = base_vha->hw;
7907 	int ret;
7908 
7909 	ql_log(ql_log_warn, base_vha, 0x900f,
7910 	       "Pci Resume.\n");
7911 
7912 
7913 	ret = qla2x00_wait_for_hba_online(base_vha);
7914 	if (ret != QLA_SUCCESS) {
7915 		ql_log(ql_log_fatal, base_vha, 0x9002,
7916 		    "The device failed to resume I/O from slot/link_reset.\n");
7917 	}
7918 	ha->pci_error_state = QLA_PCI_RESUME;
7919 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7920 	       "Pci Resume returning.\n");
7921 }
7922 
7923 void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7924 {
7925 	struct qla_hw_data *ha = vha->hw;
7926 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7927 	bool do_cleanup = false;
7928 	unsigned long flags;
7929 
7930 	if (ha->flags.eeh_busy)
7931 		return;
7932 
7933 	spin_lock_irqsave(&base_vha->work_lock, flags);
7934 	if (!ha->flags.eeh_busy) {
7935 		ha->eeh_jif = jiffies;
7936 		ha->flags.eeh_flush = 0;
7937 
7938 		ha->flags.eeh_busy = 1;
7939 		do_cleanup = true;
7940 	}
7941 	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7942 
7943 	if (do_cleanup)
7944 		qla_pci_error_cleanup(base_vha);
7945 }
7946 
7947 /*
7948  * this routine will schedule a task to pause IO from interrupt context
7949  * if caller sees a PCIE error event (register read = 0xf's)
7950  */
7951 void qla_schedule_eeh_work(struct scsi_qla_host *vha)
7952 {
7953 	struct qla_hw_data *ha = vha->hw;
7954 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7955 
7956 	if (ha->flags.eeh_busy)
7957 		return;
7958 
7959 	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
7960 	qla2xxx_wake_dpc(base_vha);
7961 }
7962 
7963 static void
7964 qla_pci_reset_prepare(struct pci_dev *pdev)
7965 {
7966 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7967 	struct qla_hw_data *ha = base_vha->hw;
7968 	struct qla_qpair *qpair;
7969 
7970 	ql_log(ql_log_warn, base_vha, 0xffff,
7971 	    "%s.\n", __func__);
7972 
7973 	/*
7974 	 * PCI FLR/function reset is about to reset the
7975 	 * slot. Stop the chip to stop all DMA access.
7976 	 * It is assumed that pci_reset_done will be called
7977 	 * after FLR to resume Chip operation.
7978 	 */
7979 	ha->flags.eeh_busy = 1;
7980 	mutex_lock(&ha->mq_lock);
7981 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7982 		qpair->online = 0;
7983 	mutex_unlock(&ha->mq_lock);
7984 
7985 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7986 	qla2x00_abort_isp_cleanup(base_vha);
7987 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7988 }
7989 
7990 static void
7991 qla_pci_reset_done(struct pci_dev *pdev)
7992 {
7993 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7994 	struct qla_hw_data *ha = base_vha->hw;
7995 	struct qla_qpair *qpair;
7996 
7997 	ql_log(ql_log_warn, base_vha, 0xffff,
7998 	    "%s.\n", __func__);
7999 
8000 	/*
8001 	 * FLR just completed by PCI layer. Resume adapter
8002 	 */
8003 	ha->flags.eeh_busy = 0;
8004 	mutex_lock(&ha->mq_lock);
8005 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8006 		qpair->online = 1;
8007 	mutex_unlock(&ha->mq_lock);
8008 
8009 	base_vha->flags.online = 1;
8010 	ha->isp_ops->abort_isp(base_vha);
8011 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8012 }
8013 
8014 static void qla2xxx_map_queues(struct Scsi_Host *shost)
8015 {
8016 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8017 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8018 
8019 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8020 		blk_mq_map_queues(qmap);
8021 	else
8022 		blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
8023 }
8024 
8025 struct scsi_host_template qla2xxx_driver_template = {
8026 	.module			= THIS_MODULE,
8027 	.name			= QLA2XXX_DRIVER_NAME,
8028 	.queuecommand		= qla2xxx_queuecommand,
8029 
8030 	.eh_timed_out		= fc_eh_timed_out,
8031 	.eh_abort_handler	= qla2xxx_eh_abort,
8032 	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8033 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8034 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8035 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8036 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8037 
8038 	.slave_configure	= qla2xxx_slave_configure,
8039 
8040 	.slave_alloc		= qla2xxx_slave_alloc,
8041 	.slave_destroy		= qla2xxx_slave_destroy,
8042 	.scan_finished		= qla2xxx_scan_finished,
8043 	.scan_start		= qla2xxx_scan_start,
8044 	.change_queue_depth	= scsi_change_queue_depth,
8045 	.map_queues             = qla2xxx_map_queues,
8046 	.this_id		= -1,
8047 	.cmd_per_lun		= 3,
8048 	.sg_tablesize		= SG_ALL,
8049 
8050 	.max_sectors		= 0xFFFF,
8051 	.shost_groups		= qla2x00_host_groups,
8052 
8053 	.supported_mode		= MODE_INITIATOR,
8054 	.track_queue_depth	= 1,
8055 	.cmd_size		= sizeof(srb_t),
8056 };
8057 
8058 static const struct pci_error_handlers qla2xxx_err_handler = {
8059 	.error_detected = qla2xxx_pci_error_detected,
8060 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8061 	.slot_reset = qla2xxx_pci_slot_reset,
8062 	.resume = qla2xxx_pci_resume,
8063 	.reset_prepare = qla_pci_reset_prepare,
8064 	.reset_done = qla_pci_reset_done,
8065 };
8066 
8067 static struct pci_device_id qla2xxx_pci_tbl[] = {
8068 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8069 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8070 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8071 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8072 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8073 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8074 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8075 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8076 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8077 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8078 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8079 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8080 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8081 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8082 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8083 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8084 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8085 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8086 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8087 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8088 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8089 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8090 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8091 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8092 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8093 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8094 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8095 	{ 0 },
8096 };
8097 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8098 
8099 static struct pci_driver qla2xxx_pci_driver = {
8100 	.name		= QLA2XXX_DRIVER_NAME,
8101 	.driver		= {
8102 		.owner		= THIS_MODULE,
8103 	},
8104 	.id_table	= qla2xxx_pci_tbl,
8105 	.probe		= qla2x00_probe_one,
8106 	.remove		= qla2x00_remove_one,
8107 	.shutdown	= qla2x00_shutdown,
8108 	.err_handler	= &qla2xxx_err_handler,
8109 };
8110 
8111 static const struct file_operations apidev_fops = {
8112 	.owner = THIS_MODULE,
8113 	.llseek = noop_llseek,
8114 };
8115 
8116 /**
8117  * qla2x00_module_init - Module initialization.
8118  **/
8119 static int __init
8120 qla2x00_module_init(void)
8121 {
8122 	int ret = 0;
8123 
8124 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8125 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8126 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8127 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8128 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8129 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8130 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8131 	BUILD_BUG_ON(sizeof(request_t) != 64);
8132 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8133 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8134 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8135 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8136 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8137 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8138 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8139 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8140 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8141 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8142 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8143 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8144 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8145 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8146 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8147 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8148 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8149 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8150 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8151 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8152 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8153 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8154 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8155 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8156 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8157 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8158 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8159 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8160 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8161 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8162 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8163 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8164 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8165 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8166 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8167 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8168 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8169 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8170 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8171 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8172 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8173 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8174 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8175 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8176 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8177 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8178 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8179 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8180 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8181 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8182 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8183 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8184 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8185 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8186 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8187 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8188 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8189 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8190 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8191 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8192 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8193 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8194 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8195 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8196 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8197 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8198 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8199 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8200 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8201 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8202 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8203 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8204 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8205 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8206 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8207 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8208 
8209 	qla_trace_init();
8210 
8211 	/* Allocate cache for SRBs. */
8212 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8213 	    SLAB_HWCACHE_ALIGN, NULL);
8214 	if (srb_cachep == NULL) {
8215 		ql_log(ql_log_fatal, NULL, 0x0001,
8216 		    "Unable to allocate SRB cache...Failing load!.\n");
8217 		return -ENOMEM;
8218 	}
8219 
8220 	/* Initialize target kmem_cache and mem_pools */
8221 	ret = qlt_init();
8222 	if (ret < 0) {
8223 		goto destroy_cache;
8224 	} else if (ret > 0) {
8225 		/*
8226 		 * If initiator mode is explictly disabled by qlt_init(),
8227 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8228 		 * performing scsi_scan_target() during LOOP UP event.
8229 		 */
8230 		qla2xxx_transport_functions.disable_target_scan = 1;
8231 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8232 	}
8233 
8234 	/* Derive version string. */
8235 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8236 	if (ql2xextended_error_logging)
8237 		strcat(qla2x00_version_str, "-debug");
8238 	if (ql2xextended_error_logging == 1)
8239 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8240 
8241 	qla2xxx_transport_template =
8242 	    fc_attach_transport(&qla2xxx_transport_functions);
8243 	if (!qla2xxx_transport_template) {
8244 		ql_log(ql_log_fatal, NULL, 0x0002,
8245 		    "fc_attach_transport failed...Failing load!.\n");
8246 		ret = -ENODEV;
8247 		goto qlt_exit;
8248 	}
8249 
8250 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8251 	if (apidev_major < 0) {
8252 		ql_log(ql_log_fatal, NULL, 0x0003,
8253 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8254 	}
8255 
8256 	qla2xxx_transport_vport_template =
8257 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8258 	if (!qla2xxx_transport_vport_template) {
8259 		ql_log(ql_log_fatal, NULL, 0x0004,
8260 		    "fc_attach_transport vport failed...Failing load!.\n");
8261 		ret = -ENODEV;
8262 		goto unreg_chrdev;
8263 	}
8264 	ql_log(ql_log_info, NULL, 0x0005,
8265 	    "QLogic Fibre Channel HBA Driver: %s.\n",
8266 	    qla2x00_version_str);
8267 	ret = pci_register_driver(&qla2xxx_pci_driver);
8268 	if (ret) {
8269 		ql_log(ql_log_fatal, NULL, 0x0006,
8270 		    "pci_register_driver failed...ret=%d Failing load!.\n",
8271 		    ret);
8272 		goto release_vport_transport;
8273 	}
8274 	return ret;
8275 
8276 release_vport_transport:
8277 	fc_release_transport(qla2xxx_transport_vport_template);
8278 
8279 unreg_chrdev:
8280 	if (apidev_major >= 0)
8281 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8282 	fc_release_transport(qla2xxx_transport_template);
8283 
8284 qlt_exit:
8285 	qlt_exit();
8286 
8287 destroy_cache:
8288 	kmem_cache_destroy(srb_cachep);
8289 
8290 	qla_trace_uninit();
8291 	return ret;
8292 }
8293 
8294 /**
8295  * qla2x00_module_exit - Module cleanup.
8296  **/
8297 static void __exit
8298 qla2x00_module_exit(void)
8299 {
8300 	pci_unregister_driver(&qla2xxx_pci_driver);
8301 	qla2x00_release_firmware();
8302 	kmem_cache_destroy(ctx_cachep);
8303 	fc_release_transport(qla2xxx_transport_vport_template);
8304 	if (apidev_major >= 0)
8305 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8306 	fc_release_transport(qla2xxx_transport_template);
8307 	qlt_exit();
8308 	kmem_cache_destroy(srb_cachep);
8309 	qla_trace_uninit();
8310 }
8311 
8312 module_init(qla2x00_module_init);
8313 module_exit(qla2x00_module_exit);
8314 
8315 MODULE_AUTHOR("QLogic Corporation");
8316 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8317 MODULE_LICENSE("GPL");
8318 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8319 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8320 MODULE_FIRMWARE(FW_FILE_ISP2300);
8321 MODULE_FIRMWARE(FW_FILE_ISP2322);
8322 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8323 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8324