xref: /linux/drivers/scsi/qla2xxx/qla_os.c (revision d5859510d35d8e7d63fed5169f1775317f40fb03)
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/bitfield.h>
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <linux/blk-mq-pci.h>
17 #include <linux/refcount.h>
18 #include <linux/crash_dump.h>
19 #include <linux/trace_events.h>
20 #include <linux/trace.h>
21 
22 #include <scsi/scsi_tcq.h>
23 #include <scsi/scsicam.h>
24 #include <scsi/scsi_transport.h>
25 #include <scsi/scsi_transport_fc.h>
26 
27 #include "qla_target.h"
28 
29 /*
30  * Driver version
31  */
32 char qla2x00_version_str[40];
33 
34 static int apidev_major;
35 
36 /*
37  * SRB allocation cache
38  */
39 struct kmem_cache *srb_cachep;
40 
41 static struct trace_array *qla_trc_array;
42 
43 int ql2xfulldump_on_mpifail;
44 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
45 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
46 		 "Set this to take full dump on MPI hang.");
47 
48 int ql2xenforce_iocb_limit = 2;
49 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
50 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
51 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 2) "
52 		 "1: track usage per queue, 2: track usage per adapter");
53 
54 /*
55  * CT6 CTX allocation cache
56  */
57 static struct kmem_cache *ctx_cachep;
58 /*
59  * error level for logging
60  */
61 uint ql_errlev = 0x8001;
62 
63 int ql2xsecenable;
64 module_param(ql2xsecenable, int, S_IRUGO);
65 MODULE_PARM_DESC(ql2xsecenable,
66 	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
67 
68 static int ql2xenableclass2;
69 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
70 MODULE_PARM_DESC(ql2xenableclass2,
71 		"Specify if Class 2 operations are supported from the very "
72 		"beginning. Default is 0 - class 2 not supported.");
73 
74 
75 int ql2xlogintimeout = 20;
76 module_param(ql2xlogintimeout, int, S_IRUGO);
77 MODULE_PARM_DESC(ql2xlogintimeout,
78 		"Login timeout value in seconds.");
79 
80 int qlport_down_retry;
81 module_param(qlport_down_retry, int, S_IRUGO);
82 MODULE_PARM_DESC(qlport_down_retry,
83 		"Maximum number of command retries to a port that returns "
84 		"a PORT-DOWN status.");
85 
86 int ql2xplogiabsentdevice;
87 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
88 MODULE_PARM_DESC(ql2xplogiabsentdevice,
89 		"Option to enable PLOGI to devices that are not present after "
90 		"a Fabric scan.  This is needed for several broken switches. "
91 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
92 
93 int ql2xloginretrycount;
94 module_param(ql2xloginretrycount, int, S_IRUGO);
95 MODULE_PARM_DESC(ql2xloginretrycount,
96 		"Specify an alternate value for the NVRAM login retry count.");
97 
98 int ql2xallocfwdump = 1;
99 module_param(ql2xallocfwdump, int, S_IRUGO);
100 MODULE_PARM_DESC(ql2xallocfwdump,
101 		"Option to enable allocation of memory for a firmware dump "
102 		"during HBA initialization.  Memory allocation requirements "
103 		"vary by ISP type.  Default is 1 - allocate memory.");
104 
105 int ql2xextended_error_logging;
106 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
107 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
108 MODULE_PARM_DESC(ql2xextended_error_logging,
109 		"Option to enable extended error logging,\n"
110 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
111 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
112 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
113 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
114 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
115 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
116 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
117 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
118 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
119 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
120 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
121 		"\t\t0x1e400000 - Preferred value for capturing essential "
122 		"debug information (equivalent to old "
123 		"ql2xextended_error_logging=1).\n"
124 		"\t\tDo LOGICAL OR of the value to enable more than one level");
125 
126 int ql2xextended_error_logging_ktrace = 1;
127 module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
128 MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
129 		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
130 
131 int ql2xshiftctondsd = 6;
132 module_param(ql2xshiftctondsd, int, S_IRUGO);
133 MODULE_PARM_DESC(ql2xshiftctondsd,
134 		"Set to control shifting of command type processing "
135 		"based on total number of SG elements.");
136 
137 int ql2xfdmienable = 1;
138 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
139 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
140 MODULE_PARM_DESC(ql2xfdmienable,
141 		"Enables FDMI registrations. "
142 		"0 - no FDMI registrations. "
143 		"1 - provide FDMI registrations (default).");
144 
145 #define MAX_Q_DEPTH	64
146 static int ql2xmaxqdepth = MAX_Q_DEPTH;
147 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
148 MODULE_PARM_DESC(ql2xmaxqdepth,
149 		"Maximum queue depth to set for each LUN. "
150 		"Default is 64.");
151 
152 int ql2xenabledif = 2;
153 module_param(ql2xenabledif, int, S_IRUGO);
154 MODULE_PARM_DESC(ql2xenabledif,
155 		" Enable T10-CRC-DIF:\n"
156 		" Default is 2.\n"
157 		"  0 -- No DIF Support\n"
158 		"  1 -- Enable DIF for all types\n"
159 		"  2 -- Enable DIF for all types, except Type 0.\n");
160 
161 #if (IS_ENABLED(CONFIG_NVME_FC))
162 int ql2xnvmeenable = 1;
163 #else
164 int ql2xnvmeenable;
165 #endif
166 module_param(ql2xnvmeenable, int, 0644);
167 MODULE_PARM_DESC(ql2xnvmeenable,
168     "Enables NVME support. "
169     "0 - no NVMe.  Default is Y");
170 
171 int ql2xenablehba_err_chk = 2;
172 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
173 MODULE_PARM_DESC(ql2xenablehba_err_chk,
174 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
175 		" Default is 2.\n"
176 		"  0 -- Error isolation disabled\n"
177 		"  1 -- Error isolation enabled only for DIX Type 0\n"
178 		"  2 -- Error isolation enabled for all Types\n");
179 
180 int ql2xiidmaenable = 1;
181 module_param(ql2xiidmaenable, int, S_IRUGO);
182 MODULE_PARM_DESC(ql2xiidmaenable,
183 		"Enables iIDMA settings "
184 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
185 
186 int ql2xmqsupport = 1;
187 module_param(ql2xmqsupport, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xmqsupport,
189 		"Enable on demand multiple queue pairs support "
190 		"Default is 1 for supported. "
191 		"Set it to 0 to turn off mq qpair support.");
192 
193 int ql2xfwloadbin;
194 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
195 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
196 MODULE_PARM_DESC(ql2xfwloadbin,
197 		"Option to specify location from which to load ISP firmware:.\n"
198 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
199 		"      interface.\n"
200 		" 1 -- load firmware from flash.\n"
201 		" 0 -- use default semantics.\n");
202 
203 int ql2xetsenable;
204 module_param(ql2xetsenable, int, S_IRUGO);
205 MODULE_PARM_DESC(ql2xetsenable,
206 		"Enables firmware ETS burst."
207 		"Default is 0 - skip ETS enablement.");
208 
209 int ql2xdbwr = 1;
210 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
211 MODULE_PARM_DESC(ql2xdbwr,
212 		"Option to specify scheme for request queue posting.\n"
213 		" 0 -- Regular doorbell.\n"
214 		" 1 -- CAMRAM doorbell (faster).\n");
215 
216 int ql2xgffidenable;
217 module_param(ql2xgffidenable, int, S_IRUGO);
218 MODULE_PARM_DESC(ql2xgffidenable,
219 		"Enables GFF_ID checks of port type. "
220 		"Default is 0 - Do not use GFF_ID information.");
221 
222 int ql2xasynctmfenable = 1;
223 module_param(ql2xasynctmfenable, int, S_IRUGO);
224 MODULE_PARM_DESC(ql2xasynctmfenable,
225 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
226 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
227 
228 int ql2xdontresethba;
229 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
230 MODULE_PARM_DESC(ql2xdontresethba,
231 		"Option to specify reset behaviour.\n"
232 		" 0 (Default) -- Reset on failure.\n"
233 		" 1 -- Do not reset on failure.\n");
234 
235 uint64_t ql2xmaxlun = MAX_LUNS;
236 module_param(ql2xmaxlun, ullong, S_IRUGO);
237 MODULE_PARM_DESC(ql2xmaxlun,
238 		"Defines the maximum LU number to register with the SCSI "
239 		"midlayer. Default is 65535.");
240 
241 int ql2xmdcapmask = 0x1F;
242 module_param(ql2xmdcapmask, int, S_IRUGO);
243 MODULE_PARM_DESC(ql2xmdcapmask,
244 		"Set the Minidump driver capture mask level. "
245 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
246 
247 int ql2xmdenable = 1;
248 module_param(ql2xmdenable, int, S_IRUGO);
249 MODULE_PARM_DESC(ql2xmdenable,
250 		"Enable/disable MiniDump. "
251 		"0 - MiniDump disabled. "
252 		"1 (Default) - MiniDump enabled.");
253 
254 int ql2xexlogins;
255 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
256 MODULE_PARM_DESC(ql2xexlogins,
257 		 "Number of extended Logins. "
258 		 "0 (Default)- Disabled.");
259 
260 int ql2xexchoffld = 1024;
261 module_param(ql2xexchoffld, uint, 0644);
262 MODULE_PARM_DESC(ql2xexchoffld,
263 	"Number of target exchanges.");
264 
265 int ql2xiniexchg = 1024;
266 module_param(ql2xiniexchg, uint, 0644);
267 MODULE_PARM_DESC(ql2xiniexchg,
268 	"Number of initiator exchanges.");
269 
270 int ql2xfwholdabts;
271 module_param(ql2xfwholdabts, int, S_IRUGO);
272 MODULE_PARM_DESC(ql2xfwholdabts,
273 		"Allow FW to hold status IOCB until ABTS rsp received. "
274 		"0 (Default) Do not set fw option. "
275 		"1 - Set fw option to hold ABTS.");
276 
277 int ql2xmvasynctoatio = 1;
278 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
279 MODULE_PARM_DESC(ql2xmvasynctoatio,
280 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
281 		"0 (Default). Do not move IOCBs"
282 		"1 - Move IOCBs.");
283 
284 int ql2xautodetectsfp = 1;
285 module_param(ql2xautodetectsfp, int, 0444);
286 MODULE_PARM_DESC(ql2xautodetectsfp,
287 		 "Detect SFP range and set appropriate distance.\n"
288 		 "1 (Default): Enable\n");
289 
290 int ql2xenablemsix = 1;
291 module_param(ql2xenablemsix, int, 0444);
292 MODULE_PARM_DESC(ql2xenablemsix,
293 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
294 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
295 		 " 0 -- enable traditional pin-based mechanism.\n"
296 		 " 1 -- enable MSI-X interrupt mechanism.\n"
297 		 " 2 -- enable MSI interrupt mechanism.\n");
298 
299 int qla2xuseresexchforels;
300 module_param(qla2xuseresexchforels, int, 0444);
301 MODULE_PARM_DESC(qla2xuseresexchforels,
302 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
303 		 " 0 (default): disabled");
304 
305 static int ql2xprotmask;
306 module_param(ql2xprotmask, int, 0644);
307 MODULE_PARM_DESC(ql2xprotmask,
308 		 "Override DIF/DIX protection capabilities mask\n"
309 		 "Default is 0 which sets protection mask based on "
310 		 "capabilities reported by HBA firmware.\n");
311 
312 static int ql2xprotguard;
313 module_param(ql2xprotguard, int, 0644);
314 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
315 		 "  0 -- Let HBA firmware decide\n"
316 		 "  1 -- Force T10 CRC\n"
317 		 "  2 -- Force IP checksum\n");
318 
319 int ql2xdifbundlinginternalbuffers;
320 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
321 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
322     "Force using internal buffers for DIF information\n"
323     "0 (Default). Based on check.\n"
324     "1 Force using internal buffers\n");
325 
326 int ql2xsmartsan;
327 module_param(ql2xsmartsan, int, 0444);
328 module_param_named(smartsan, ql2xsmartsan, int, 0444);
329 MODULE_PARM_DESC(ql2xsmartsan,
330 		"Send SmartSAN Management Attributes for FDMI Registration."
331 		" Default is 0 - No SmartSAN registration,"
332 		" 1 - Register SmartSAN Management Attributes.");
333 
334 int ql2xrdpenable;
335 module_param(ql2xrdpenable, int, 0444);
336 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
337 MODULE_PARM_DESC(ql2xrdpenable,
338 		"Enables RDP responses. "
339 		"0 - no RDP responses (default). "
340 		"1 - provide RDP responses.");
341 int ql2xabts_wait_nvme = 1;
342 module_param(ql2xabts_wait_nvme, int, 0444);
343 MODULE_PARM_DESC(ql2xabts_wait_nvme,
344 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
345 
346 
347 static u32 ql2xdelay_before_pci_error_handling = 5;
348 module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
349 MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
350 	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
351 
352 static void qla2x00_clear_drv_active(struct qla_hw_data *);
353 static void qla2x00_free_device(scsi_qla_host_t *);
354 static void qla2xxx_map_queues(struct Scsi_Host *shost);
355 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
356 
357 u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
358 module_param(ql2xnvme_queues, uint, S_IRUGO);
359 MODULE_PARM_DESC(ql2xnvme_queues,
360 	"Number of NVMe Queues that can be configured.\n"
361 	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
362 	"1 - Minimum number of queues supported\n"
363 	"8 - Default value");
364 
365 int ql2xfc2target = 1;
366 module_param(ql2xfc2target, int, 0444);
367 MODULE_PARM_DESC(qla2xfc2target,
368 		  "Enables FC2 Target support. "
369 		  "0 - FC2 Target support is disabled. "
370 		  "1 - FC2 Target support is enabled (default).");
371 
372 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
373 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
374 
375 /* TODO Convert to inlines
376  *
377  * Timer routines
378  */
379 
380 __inline__ void
381 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
382 {
383 	timer_setup(&vha->timer, qla2x00_timer, 0);
384 	vha->timer.expires = jiffies + interval * HZ;
385 	add_timer(&vha->timer);
386 	vha->timer_active = 1;
387 }
388 
389 static inline void
390 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
391 {
392 	/* Currently used for 82XX only. */
393 	if (vha->device_flags & DFLG_DEV_FAILED) {
394 		ql_dbg(ql_dbg_timer, vha, 0x600d,
395 		    "Device in a failed state, returning.\n");
396 		return;
397 	}
398 
399 	mod_timer(&vha->timer, jiffies + interval * HZ);
400 }
401 
402 static __inline__ void
403 qla2x00_stop_timer(scsi_qla_host_t *vha)
404 {
405 	del_timer_sync(&vha->timer);
406 	vha->timer_active = 0;
407 }
408 
409 static int qla2x00_do_dpc(void *data);
410 
411 static void qla2x00_rst_aen(scsi_qla_host_t *);
412 
413 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
414 	struct req_que **, struct rsp_que **);
415 static void qla2x00_free_fw_dump(struct qla_hw_data *);
416 static void qla2x00_mem_free(struct qla_hw_data *);
417 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
418 	struct qla_qpair *qpair);
419 
420 /* -------------------------------------------------------------------------- */
421 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
422     struct rsp_que *rsp)
423 {
424 	struct qla_hw_data *ha = vha->hw;
425 
426 	rsp->qpair = ha->base_qpair;
427 	rsp->req = req;
428 	ha->base_qpair->hw = ha;
429 	ha->base_qpair->req = req;
430 	ha->base_qpair->rsp = rsp;
431 	ha->base_qpair->vha = vha;
432 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
433 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
434 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
435 	ha->base_qpair->srb_mempool = ha->srb_mempool;
436 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
437 	INIT_LIST_HEAD(&ha->base_qpair->dsd_list);
438 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
439 	/* init qpair to this cpu. Will adjust at run time. */
440 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
441 	ha->base_qpair->pdev = ha->pdev;
442 
443 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
444 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
445 }
446 
447 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
448 				struct rsp_que *rsp)
449 {
450 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
451 
452 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
453 				GFP_KERNEL);
454 	if (!ha->req_q_map) {
455 		ql_log(ql_log_fatal, vha, 0x003b,
456 		    "Unable to allocate memory for request queue ptrs.\n");
457 		goto fail_req_map;
458 	}
459 
460 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
461 				GFP_KERNEL);
462 	if (!ha->rsp_q_map) {
463 		ql_log(ql_log_fatal, vha, 0x003c,
464 		    "Unable to allocate memory for response queue ptrs.\n");
465 		goto fail_rsp_map;
466 	}
467 
468 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
469 	if (ha->base_qpair == NULL) {
470 		ql_log(ql_log_warn, vha, 0x00e0,
471 		    "Failed to allocate base queue pair memory.\n");
472 		goto fail_base_qpair;
473 	}
474 
475 	qla_init_base_qpair(vha, req, rsp);
476 
477 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
478 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
479 			GFP_KERNEL);
480 		if (!ha->queue_pair_map) {
481 			ql_log(ql_log_fatal, vha, 0x0180,
482 			    "Unable to allocate memory for queue pair ptrs.\n");
483 			goto fail_qpair_map;
484 		}
485 		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
486 			kfree(ha->queue_pair_map);
487 			ha->queue_pair_map = NULL;
488 			goto fail_qpair_map;
489 		}
490 	}
491 
492 	/*
493 	 * Make sure we record at least the request and response queue zero in
494 	 * case we need to free them if part of the probe fails.
495 	 */
496 	ha->rsp_q_map[0] = rsp;
497 	ha->req_q_map[0] = req;
498 	set_bit(0, ha->rsp_qid_map);
499 	set_bit(0, ha->req_qid_map);
500 	return 0;
501 
502 fail_qpair_map:
503 	kfree(ha->base_qpair);
504 	ha->base_qpair = NULL;
505 fail_base_qpair:
506 	kfree(ha->rsp_q_map);
507 	ha->rsp_q_map = NULL;
508 fail_rsp_map:
509 	kfree(ha->req_q_map);
510 	ha->req_q_map = NULL;
511 fail_req_map:
512 	return -ENOMEM;
513 }
514 
515 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
516 {
517 	if (IS_QLAFX00(ha)) {
518 		if (req && req->ring_fx00)
519 			dma_free_coherent(&ha->pdev->dev,
520 			    (req->length_fx00 + 1) * sizeof(request_t),
521 			    req->ring_fx00, req->dma_fx00);
522 	} else if (req && req->ring)
523 		dma_free_coherent(&ha->pdev->dev,
524 		(req->length + 1) * sizeof(request_t),
525 		req->ring, req->dma);
526 
527 	if (req)
528 		kfree(req->outstanding_cmds);
529 
530 	kfree(req);
531 }
532 
533 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
534 {
535 	if (IS_QLAFX00(ha)) {
536 		if (rsp && rsp->ring_fx00)
537 			dma_free_coherent(&ha->pdev->dev,
538 			    (rsp->length_fx00 + 1) * sizeof(request_t),
539 			    rsp->ring_fx00, rsp->dma_fx00);
540 	} else if (rsp && rsp->ring) {
541 		dma_free_coherent(&ha->pdev->dev,
542 		(rsp->length + 1) * sizeof(response_t),
543 		rsp->ring, rsp->dma);
544 	}
545 	kfree(rsp);
546 }
547 
548 static void qla2x00_free_queues(struct qla_hw_data *ha)
549 {
550 	struct req_que *req;
551 	struct rsp_que *rsp;
552 	int cnt;
553 	unsigned long flags;
554 
555 	if (ha->queue_pair_map) {
556 		kfree(ha->queue_pair_map);
557 		ha->queue_pair_map = NULL;
558 	}
559 	if (ha->base_qpair) {
560 		kfree(ha->base_qpair);
561 		ha->base_qpair = NULL;
562 	}
563 
564 	qla_mapq_free_qp_cpu_map(ha);
565 	spin_lock_irqsave(&ha->hardware_lock, flags);
566 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
567 		if (!test_bit(cnt, ha->req_qid_map))
568 			continue;
569 
570 		req = ha->req_q_map[cnt];
571 		clear_bit(cnt, ha->req_qid_map);
572 		ha->req_q_map[cnt] = NULL;
573 
574 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
575 		qla2x00_free_req_que(ha, req);
576 		spin_lock_irqsave(&ha->hardware_lock, flags);
577 	}
578 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
579 
580 	kfree(ha->req_q_map);
581 	ha->req_q_map = NULL;
582 
583 
584 	spin_lock_irqsave(&ha->hardware_lock, flags);
585 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
586 		if (!test_bit(cnt, ha->rsp_qid_map))
587 			continue;
588 
589 		rsp = ha->rsp_q_map[cnt];
590 		clear_bit(cnt, ha->rsp_qid_map);
591 		ha->rsp_q_map[cnt] =  NULL;
592 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
593 		qla2x00_free_rsp_que(ha, rsp);
594 		spin_lock_irqsave(&ha->hardware_lock, flags);
595 	}
596 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
597 
598 	kfree(ha->rsp_q_map);
599 	ha->rsp_q_map = NULL;
600 }
601 
602 static char *
603 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
604 {
605 	struct qla_hw_data *ha = vha->hw;
606 	static const char *const pci_bus_modes[] = {
607 		"33", "66", "100", "133",
608 	};
609 	uint16_t pci_bus;
610 
611 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
612 	if (pci_bus) {
613 		snprintf(str, str_len, "PCI-X (%s MHz)",
614 			 pci_bus_modes[pci_bus]);
615 	} else {
616 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
617 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
618 	}
619 
620 	return str;
621 }
622 
623 static char *
624 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
625 {
626 	static const char *const pci_bus_modes[] = {
627 		"33", "66", "100", "133",
628 	};
629 	struct qla_hw_data *ha = vha->hw;
630 	uint32_t pci_bus;
631 
632 	if (pci_is_pcie(ha->pdev)) {
633 		uint32_t lstat, lspeed, lwidth;
634 		const char *speed_str;
635 
636 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
637 		lspeed = FIELD_GET(PCI_EXP_LNKCAP_SLS, lstat);
638 		lwidth = FIELD_GET(PCI_EXP_LNKCAP_MLW, lstat);
639 
640 		switch (lspeed) {
641 		case 1:
642 			speed_str = "2.5GT/s";
643 			break;
644 		case 2:
645 			speed_str = "5.0GT/s";
646 			break;
647 		case 3:
648 			speed_str = "8.0GT/s";
649 			break;
650 		case 4:
651 			speed_str = "16.0GT/s";
652 			break;
653 		default:
654 			speed_str = "<unknown>";
655 			break;
656 		}
657 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
658 
659 		return str;
660 	}
661 
662 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
663 	if (pci_bus == 0 || pci_bus == 8)
664 		snprintf(str, str_len, "PCI (%s MHz)",
665 			 pci_bus_modes[pci_bus >> 3]);
666 	else
667 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
668 			 pci_bus & 4 ? 2 : 1,
669 			 pci_bus_modes[pci_bus & 3]);
670 
671 	return str;
672 }
673 
674 static char *
675 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
676 {
677 	char un_str[10];
678 	struct qla_hw_data *ha = vha->hw;
679 
680 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
681 	    ha->fw_minor_version, ha->fw_subminor_version);
682 
683 	if (ha->fw_attributes & BIT_9) {
684 		strcat(str, "FLX");
685 		return (str);
686 	}
687 
688 	switch (ha->fw_attributes & 0xFF) {
689 	case 0x7:
690 		strcat(str, "EF");
691 		break;
692 	case 0x17:
693 		strcat(str, "TP");
694 		break;
695 	case 0x37:
696 		strcat(str, "IP");
697 		break;
698 	case 0x77:
699 		strcat(str, "VI");
700 		break;
701 	default:
702 		sprintf(un_str, "(%x)", ha->fw_attributes);
703 		strcat(str, un_str);
704 		break;
705 	}
706 	if (ha->fw_attributes & 0x100)
707 		strcat(str, "X");
708 
709 	return (str);
710 }
711 
712 static char *
713 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
714 {
715 	struct qla_hw_data *ha = vha->hw;
716 
717 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
718 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
719 	return str;
720 }
721 
722 void qla2x00_sp_free_dma(srb_t *sp)
723 {
724 	struct qla_hw_data *ha = sp->vha->hw;
725 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
726 
727 	if (sp->flags & SRB_DMA_VALID) {
728 		scsi_dma_unmap(cmd);
729 		sp->flags &= ~SRB_DMA_VALID;
730 	}
731 
732 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
733 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
734 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
735 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
736 	}
737 
738 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
739 		/* List assured to be having elements */
740 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
741 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
742 	}
743 
744 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
745 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
746 
747 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
748 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
749 	}
750 
751 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
752 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
753 
754 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
755 		    ctx1->fcp_cmnd_dma);
756 		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
757 		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
758 		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
759 	}
760 
761 	if (sp->flags & SRB_GOT_BUF)
762 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
763 }
764 
765 void qla2x00_sp_compl(srb_t *sp, int res)
766 {
767 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
768 	struct completion *comp = sp->comp;
769 
770 	/* kref: INIT */
771 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
772 	cmd->result = res;
773 	sp->type = 0;
774 	scsi_done(cmd);
775 	if (comp)
776 		complete(comp);
777 }
778 
779 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
780 {
781 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
782 	struct qla_hw_data *ha = sp->fcport->vha->hw;
783 
784 	if (sp->flags & SRB_DMA_VALID) {
785 		scsi_dma_unmap(cmd);
786 		sp->flags &= ~SRB_DMA_VALID;
787 	}
788 
789 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
790 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
791 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
792 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
793 	}
794 
795 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
796 		/* List assured to be having elements */
797 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
798 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
799 	}
800 
801 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
802 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
803 		struct dsd_dma *dif_dsd, *nxt_dsd;
804 
805 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
806 		    &difctx->ldif_dma_hndl_list, list) {
807 			list_del(&dif_dsd->list);
808 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
809 			    dif_dsd->dsd_list_dma);
810 			kfree(dif_dsd);
811 			difctx->no_dif_bundl--;
812 		}
813 
814 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
815 		    &difctx->ldif_dsd_list, list) {
816 			list_del(&dif_dsd->list);
817 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
818 			    dif_dsd->dsd_list_dma);
819 			kfree(dif_dsd);
820 			difctx->no_ldif_dsd--;
821 		}
822 
823 		if (difctx->no_ldif_dsd) {
824 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
825 			    "%s: difctx->no_ldif_dsd=%x\n",
826 			    __func__, difctx->no_ldif_dsd);
827 		}
828 
829 		if (difctx->no_dif_bundl) {
830 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
831 			    "%s: difctx->no_dif_bundl=%x\n",
832 			    __func__, difctx->no_dif_bundl);
833 		}
834 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
835 	}
836 
837 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
838 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
839 
840 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
841 		    ctx1->fcp_cmnd_dma);
842 		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
843 		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
844 		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
845 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
846 	}
847 
848 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
849 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
850 
851 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
852 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
853 	}
854 
855 	if (sp->flags & SRB_GOT_BUF)
856 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
857 }
858 
859 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
860 {
861 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
862 	struct completion *comp = sp->comp;
863 
864 	/* ref: INIT */
865 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
866 	cmd->result = res;
867 	sp->type = 0;
868 	scsi_done(cmd);
869 	if (comp)
870 		complete(comp);
871 }
872 
873 static int
874 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
875 {
876 	scsi_qla_host_t *vha = shost_priv(host);
877 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
878 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
879 	struct qla_hw_data *ha = vha->hw;
880 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
881 	srb_t *sp;
882 	int rval;
883 
884 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
885 	    WARN_ON_ONCE(!rport)) {
886 		cmd->result = DID_NO_CONNECT << 16;
887 		goto qc24_fail_command;
888 	}
889 
890 	if (ha->mqenable) {
891 		uint32_t tag;
892 		uint16_t hwq;
893 		struct qla_qpair *qpair = NULL;
894 
895 		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
896 		hwq = blk_mq_unique_tag_to_hwq(tag);
897 		qpair = ha->queue_pair_map[hwq];
898 
899 		if (qpair)
900 			return qla2xxx_mqueuecommand(host, cmd, qpair);
901 	}
902 
903 	if (ha->flags.eeh_busy) {
904 		if (ha->flags.pci_channel_io_perm_failure) {
905 			ql_dbg(ql_dbg_aer, vha, 0x9010,
906 			    "PCI Channel IO permanent failure, exiting "
907 			    "cmd=%p.\n", cmd);
908 			cmd->result = DID_NO_CONNECT << 16;
909 		} else {
910 			ql_dbg(ql_dbg_aer, vha, 0x9011,
911 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
912 			cmd->result = DID_REQUEUE << 16;
913 		}
914 		goto qc24_fail_command;
915 	}
916 
917 	rval = fc_remote_port_chkready(rport);
918 	if (rval) {
919 		cmd->result = rval;
920 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
921 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
922 		    cmd, rval);
923 		goto qc24_fail_command;
924 	}
925 
926 	if (!vha->flags.difdix_supported &&
927 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
928 			ql_dbg(ql_dbg_io, vha, 0x3004,
929 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
930 			    cmd);
931 			cmd->result = DID_NO_CONNECT << 16;
932 			goto qc24_fail_command;
933 	}
934 
935 	if (!fcport || fcport->deleted) {
936 		cmd->result = DID_IMM_RETRY << 16;
937 		goto qc24_fail_command;
938 	}
939 
940 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
941 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
942 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
943 			ql_dbg(ql_dbg_io, vha, 0x3005,
944 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
945 			    atomic_read(&fcport->state),
946 			    atomic_read(&base_vha->loop_state));
947 			cmd->result = DID_NO_CONNECT << 16;
948 			goto qc24_fail_command;
949 		}
950 		goto qc24_target_busy;
951 	}
952 
953 	/*
954 	 * Return target busy if we've received a non-zero retry_delay_timer
955 	 * in a FCP_RSP.
956 	 */
957 	if (fcport->retry_delay_timestamp == 0) {
958 		/* retry delay not set */
959 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
960 		fcport->retry_delay_timestamp = 0;
961 	else
962 		goto qc24_target_busy;
963 
964 	sp = scsi_cmd_priv(cmd);
965 	/* ref: INIT */
966 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
967 
968 	sp->u.scmd.cmd = cmd;
969 	sp->type = SRB_SCSI_CMD;
970 	sp->free = qla2x00_sp_free_dma;
971 	sp->done = qla2x00_sp_compl;
972 
973 	rval = ha->isp_ops->start_scsi(sp);
974 	if (rval != QLA_SUCCESS) {
975 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
976 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
977 		goto qc24_host_busy_free_sp;
978 	}
979 
980 	return 0;
981 
982 qc24_host_busy_free_sp:
983 	/* ref: INIT */
984 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
985 
986 qc24_target_busy:
987 	return SCSI_MLQUEUE_TARGET_BUSY;
988 
989 qc24_fail_command:
990 	scsi_done(cmd);
991 
992 	return 0;
993 }
994 
995 /* For MQ supported I/O */
996 int
997 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
998     struct qla_qpair *qpair)
999 {
1000 	scsi_qla_host_t *vha = shost_priv(host);
1001 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1002 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
1003 	struct qla_hw_data *ha = vha->hw;
1004 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1005 	srb_t *sp;
1006 	int rval;
1007 
1008 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
1009 	if (rval) {
1010 		cmd->result = rval;
1011 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
1012 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
1013 		    cmd, rval);
1014 		goto qc24_fail_command;
1015 	}
1016 
1017 	if (!qpair->online) {
1018 		ql_dbg(ql_dbg_io, vha, 0x3077,
1019 		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1020 		cmd->result = DID_NO_CONNECT << 16;
1021 		goto qc24_fail_command;
1022 	}
1023 
1024 	if (!fcport || fcport->deleted) {
1025 		cmd->result = DID_IMM_RETRY << 16;
1026 		goto qc24_fail_command;
1027 	}
1028 
1029 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1030 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1031 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1032 			ql_dbg(ql_dbg_io, vha, 0x3077,
1033 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1034 			    atomic_read(&fcport->state),
1035 			    atomic_read(&base_vha->loop_state));
1036 			cmd->result = DID_NO_CONNECT << 16;
1037 			goto qc24_fail_command;
1038 		}
1039 		goto qc24_target_busy;
1040 	}
1041 
1042 	/*
1043 	 * Return target busy if we've received a non-zero retry_delay_timer
1044 	 * in a FCP_RSP.
1045 	 */
1046 	if (fcport->retry_delay_timestamp == 0) {
1047 		/* retry delay not set */
1048 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1049 		fcport->retry_delay_timestamp = 0;
1050 	else
1051 		goto qc24_target_busy;
1052 
1053 	sp = scsi_cmd_priv(cmd);
1054 	/* ref: INIT */
1055 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1056 
1057 	sp->u.scmd.cmd = cmd;
1058 	sp->type = SRB_SCSI_CMD;
1059 	sp->free = qla2xxx_qpair_sp_free_dma;
1060 	sp->done = qla2xxx_qpair_sp_compl;
1061 
1062 	rval = ha->isp_ops->start_scsi_mq(sp);
1063 	if (rval != QLA_SUCCESS) {
1064 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1065 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1066 		goto qc24_host_busy_free_sp;
1067 	}
1068 
1069 	return 0;
1070 
1071 qc24_host_busy_free_sp:
1072 	/* ref: INIT */
1073 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1074 
1075 qc24_target_busy:
1076 	return SCSI_MLQUEUE_TARGET_BUSY;
1077 
1078 qc24_fail_command:
1079 	scsi_done(cmd);
1080 
1081 	return 0;
1082 }
1083 
1084 /*
1085  * qla2x00_wait_for_hba_online
1086  *    Wait till the HBA is online after going through
1087  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1088  *    finally HBA is disabled ie marked offline
1089  *
1090  * Input:
1091  *     ha - pointer to host adapter structure
1092  *
1093  * Note:
1094  *    Does context switching-Release SPIN_LOCK
1095  *    (if any) before calling this routine.
1096  *
1097  * Return:
1098  *    Success (Adapter is online) : 0
1099  *    Failed  (Adapter is offline/disabled) : 1
1100  */
1101 int
1102 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1103 {
1104 	int		return_status;
1105 	unsigned long	wait_online;
1106 	struct qla_hw_data *ha = vha->hw;
1107 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1108 
1109 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1110 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1111 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1112 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1113 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1114 
1115 		msleep(1000);
1116 	}
1117 	if (base_vha->flags.online)
1118 		return_status = QLA_SUCCESS;
1119 	else
1120 		return_status = QLA_FUNCTION_FAILED;
1121 
1122 	return (return_status);
1123 }
1124 
1125 static inline int test_fcport_count(scsi_qla_host_t *vha)
1126 {
1127 	struct qla_hw_data *ha = vha->hw;
1128 	unsigned long flags;
1129 	int res;
1130 	/* Return 0 = sleep, x=wake */
1131 
1132 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1133 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1134 	    "tgt %p, fcport_count=%d\n",
1135 	    vha, vha->fcport_count);
1136 	res = (vha->fcport_count == 0);
1137 	if  (res) {
1138 		struct fc_port *fcport;
1139 
1140 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1141 			if (fcport->deleted != QLA_SESS_DELETED) {
1142 				/* session(s) may not be fully logged in
1143 				 * (ie fcport_count=0), but session
1144 				 * deletion thread(s) may be inflight.
1145 				 */
1146 
1147 				res = 0;
1148 				break;
1149 			}
1150 		}
1151 	}
1152 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1153 
1154 	return res;
1155 }
1156 
1157 /*
1158  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1159  * it has dependency on UNLOADING flag to stop device discovery
1160  */
1161 void
1162 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1163 {
1164 	u8 i;
1165 
1166 	qla2x00_mark_all_devices_lost(vha);
1167 
1168 	for (i = 0; i < 10; i++) {
1169 		if (wait_event_timeout(vha->fcport_waitQ,
1170 		    test_fcport_count(vha), HZ) > 0)
1171 			break;
1172 	}
1173 
1174 	flush_workqueue(vha->hw->wq);
1175 }
1176 
1177 /*
1178  * qla2x00_wait_for_hba_ready
1179  * Wait till the HBA is ready before doing driver unload
1180  *
1181  * Input:
1182  *     ha - pointer to host adapter structure
1183  *
1184  * Note:
1185  *    Does context switching-Release SPIN_LOCK
1186  *    (if any) before calling this routine.
1187  *
1188  */
1189 static void
1190 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1191 {
1192 	struct qla_hw_data *ha = vha->hw;
1193 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1194 
1195 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1196 		ha->flags.mbox_busy) ||
1197 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1198 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1199 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1200 			break;
1201 		msleep(1000);
1202 	}
1203 }
1204 
1205 int
1206 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1207 {
1208 	int		return_status;
1209 	unsigned long	wait_reset;
1210 	struct qla_hw_data *ha = vha->hw;
1211 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1212 
1213 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1214 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1215 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1216 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1217 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1218 
1219 		msleep(1000);
1220 
1221 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1222 		    ha->flags.chip_reset_done)
1223 			break;
1224 	}
1225 	if (ha->flags.chip_reset_done)
1226 		return_status = QLA_SUCCESS;
1227 	else
1228 		return_status = QLA_FUNCTION_FAILED;
1229 
1230 	return return_status;
1231 }
1232 
1233 /**************************************************************************
1234 * qla2xxx_eh_abort
1235 *
1236 * Description:
1237 *    The abort function will abort the specified command.
1238 *
1239 * Input:
1240 *    cmd = Linux SCSI command packet to be aborted.
1241 *
1242 * Returns:
1243 *    Either SUCCESS or FAILED.
1244 *
1245 * Note:
1246 *    Only return FAILED if command not returned by firmware.
1247 **************************************************************************/
1248 static int
1249 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1250 {
1251 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1252 	DECLARE_COMPLETION_ONSTACK(comp);
1253 	srb_t *sp;
1254 	int ret;
1255 	unsigned int id;
1256 	uint64_t lun;
1257 	int rval;
1258 	struct qla_hw_data *ha = vha->hw;
1259 	uint32_t ratov_j;
1260 	struct qla_qpair *qpair;
1261 	unsigned long flags;
1262 	int fast_fail_status = SUCCESS;
1263 
1264 	if (qla2x00_isp_reg_stat(ha)) {
1265 		ql_log(ql_log_info, vha, 0x8042,
1266 		    "PCI/Register disconnect, exiting.\n");
1267 		qla_pci_set_eeh_busy(vha);
1268 		return FAILED;
1269 	}
1270 
1271 	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1272 	ret = fc_block_scsi_eh(cmd);
1273 	if (ret != 0)
1274 		fast_fail_status = ret;
1275 
1276 	sp = scsi_cmd_priv(cmd);
1277 	qpair = sp->qpair;
1278 
1279 	vha->cmd_timeout_cnt++;
1280 
1281 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1282 		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1283 
1284 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1285 	sp->comp = &comp;
1286 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1287 
1288 
1289 	id = cmd->device->id;
1290 	lun = cmd->device->lun;
1291 
1292 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1293 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1294 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1295 
1296 	/*
1297 	 * Abort will release the original Command/sp from FW. Let the
1298 	 * original command call scsi_done. In return, he will wakeup
1299 	 * this sleeping thread.
1300 	 */
1301 	rval = ha->isp_ops->abort_command(sp);
1302 
1303 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1304 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1305 
1306 	/* Wait for the command completion. */
1307 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1308 	ratov_j = msecs_to_jiffies(ratov_j);
1309 	switch (rval) {
1310 	case QLA_SUCCESS:
1311 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1312 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1313 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1314 			    __func__, ha->r_a_tov/10);
1315 			ret = FAILED;
1316 		} else {
1317 			ret = fast_fail_status;
1318 		}
1319 		break;
1320 	default:
1321 		ret = FAILED;
1322 		break;
1323 	}
1324 
1325 	sp->comp = NULL;
1326 
1327 	ql_log(ql_log_info, vha, 0x801c,
1328 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1329 	    vha->host_no, id, lun, ret);
1330 
1331 	return ret;
1332 }
1333 
1334 #define ABORT_POLLING_PERIOD	1000
1335 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1336 
1337 /*
1338  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1339  */
1340 static int
1341 __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1342 				       uint64_t l, enum nexus_wait_type type)
1343 {
1344 	int cnt, match, status;
1345 	unsigned long flags;
1346 	scsi_qla_host_t *vha = qpair->vha;
1347 	struct req_que *req = qpair->req;
1348 	srb_t *sp;
1349 	struct scsi_cmnd *cmd;
1350 	unsigned long wait_iter = ABORT_WAIT_ITER;
1351 	bool found;
1352 	struct qla_hw_data *ha = vha->hw;
1353 
1354 	status = QLA_SUCCESS;
1355 
1356 	while (wait_iter--) {
1357 		found = false;
1358 
1359 		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1360 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1361 			sp = req->outstanding_cmds[cnt];
1362 			if (!sp)
1363 				continue;
1364 			if (sp->type != SRB_SCSI_CMD)
1365 				continue;
1366 			if (vha->vp_idx != sp->vha->vp_idx)
1367 				continue;
1368 			match = 0;
1369 			cmd = GET_CMD_SP(sp);
1370 			switch (type) {
1371 			case WAIT_HOST:
1372 				match = 1;
1373 				break;
1374 			case WAIT_TARGET:
1375 				if (sp->fcport)
1376 					match = sp->fcport->d_id.b24 == t;
1377 				else
1378 					match = 0;
1379 				break;
1380 			case WAIT_LUN:
1381 				if (sp->fcport)
1382 					match = (sp->fcport->d_id.b24 == t &&
1383 						cmd->device->lun == l);
1384 				else
1385 					match = 0;
1386 				break;
1387 			}
1388 			if (!match)
1389 				continue;
1390 
1391 			spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1392 
1393 			if (unlikely(pci_channel_offline(ha->pdev)) ||
1394 			    ha->flags.eeh_busy) {
1395 				ql_dbg(ql_dbg_taskm, vha, 0x8005,
1396 				    "Return:eh_wait.\n");
1397 				return status;
1398 			}
1399 
1400 			/*
1401 			 * SRB_SCSI_CMD is still in the outstanding_cmds array.
1402 			 * it means scsi_done has not called. Wait for it to
1403 			 * clear from outstanding_cmds.
1404 			 */
1405 			msleep(ABORT_POLLING_PERIOD);
1406 			spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1407 			found = true;
1408 		}
1409 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1410 
1411 		if (!found)
1412 			break;
1413 	}
1414 
1415 	if (wait_iter == -1)
1416 		status = QLA_FUNCTION_FAILED;
1417 
1418 	return status;
1419 }
1420 
1421 int
1422 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1423 				     uint64_t l, enum nexus_wait_type type)
1424 {
1425 	struct qla_qpair *qpair;
1426 	struct qla_hw_data *ha = vha->hw;
1427 	int i, status = QLA_SUCCESS;
1428 
1429 	status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
1430 							type);
1431 	for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
1432 		qpair = ha->queue_pair_map[i];
1433 		if (!qpair)
1434 			continue;
1435 		status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
1436 								type);
1437 	}
1438 	return status;
1439 }
1440 
1441 static char *reset_errors[] = {
1442 	"HBA not online",
1443 	"HBA not ready",
1444 	"Task management failed",
1445 	"Waiting for command completions",
1446 };
1447 
1448 static int
1449 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1450 {
1451 	struct scsi_device *sdev = cmd->device;
1452 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1453 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1454 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1455 	struct qla_hw_data *ha = vha->hw;
1456 	int err;
1457 
1458 	if (qla2x00_isp_reg_stat(ha)) {
1459 		ql_log(ql_log_info, vha, 0x803e,
1460 		    "PCI/Register disconnect, exiting.\n");
1461 		qla_pci_set_eeh_busy(vha);
1462 		return FAILED;
1463 	}
1464 
1465 	if (!fcport) {
1466 		return FAILED;
1467 	}
1468 
1469 	err = fc_block_rport(rport);
1470 	if (err != 0)
1471 		return err;
1472 
1473 	if (fcport->deleted)
1474 		return FAILED;
1475 
1476 	ql_log(ql_log_info, vha, 0x8009,
1477 	    "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
1478 	    sdev->id, sdev->lun, cmd);
1479 
1480 	err = 0;
1481 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1482 		ql_log(ql_log_warn, vha, 0x800a,
1483 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1484 		goto eh_reset_failed;
1485 	}
1486 	err = 2;
1487 	if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
1488 		!= QLA_SUCCESS) {
1489 		ql_log(ql_log_warn, vha, 0x800c,
1490 		    "do_reset failed for cmd=%p.\n", cmd);
1491 		goto eh_reset_failed;
1492 	}
1493 	err = 3;
1494 	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24,
1495 						 cmd->device->lun,
1496 						 WAIT_LUN) != QLA_SUCCESS) {
1497 		ql_log(ql_log_warn, vha, 0x800d,
1498 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1499 		goto eh_reset_failed;
1500 	}
1501 
1502 	ql_log(ql_log_info, vha, 0x800e,
1503 	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1504 	    vha->host_no, sdev->id, sdev->lun, cmd);
1505 
1506 	return SUCCESS;
1507 
1508 eh_reset_failed:
1509 	ql_log(ql_log_info, vha, 0x800f,
1510 	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1511 	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1512 	    cmd);
1513 	vha->reset_cmd_err_cnt++;
1514 	return FAILED;
1515 }
1516 
1517 static int
1518 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1519 {
1520 	struct scsi_device *sdev = cmd->device;
1521 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1522 	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1523 	struct qla_hw_data *ha = vha->hw;
1524 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1525 	int err;
1526 
1527 	if (qla2x00_isp_reg_stat(ha)) {
1528 		ql_log(ql_log_info, vha, 0x803f,
1529 		    "PCI/Register disconnect, exiting.\n");
1530 		qla_pci_set_eeh_busy(vha);
1531 		return FAILED;
1532 	}
1533 
1534 	if (!fcport) {
1535 		return FAILED;
1536 	}
1537 
1538 	err = fc_block_rport(rport);
1539 	if (err != 0)
1540 		return err;
1541 
1542 	if (fcport->deleted)
1543 		return FAILED;
1544 
1545 	ql_log(ql_log_info, vha, 0x8009,
1546 	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1547 	    sdev->id, cmd);
1548 
1549 	err = 0;
1550 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1551 		ql_log(ql_log_warn, vha, 0x800a,
1552 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1553 		goto eh_reset_failed;
1554 	}
1555 	err = 2;
1556 	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1557 		ql_log(ql_log_warn, vha, 0x800c,
1558 		    "target_reset failed for cmd=%p.\n", cmd);
1559 		goto eh_reset_failed;
1560 	}
1561 	err = 3;
1562 	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24, 0,
1563 						 WAIT_TARGET) != QLA_SUCCESS) {
1564 		ql_log(ql_log_warn, vha, 0x800d,
1565 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1566 		goto eh_reset_failed;
1567 	}
1568 
1569 	ql_log(ql_log_info, vha, 0x800e,
1570 	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1571 	    vha->host_no, sdev->id, cmd);
1572 
1573 	return SUCCESS;
1574 
1575 eh_reset_failed:
1576 	ql_log(ql_log_info, vha, 0x800f,
1577 	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1578 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1579 	    cmd);
1580 	vha->reset_cmd_err_cnt++;
1581 	return FAILED;
1582 }
1583 
1584 /**************************************************************************
1585 * qla2xxx_eh_bus_reset
1586 *
1587 * Description:
1588 *    The bus reset function will reset the bus and abort any executing
1589 *    commands.
1590 *
1591 * Input:
1592 *    cmd = Linux SCSI command packet of the command that cause the
1593 *          bus reset.
1594 *
1595 * Returns:
1596 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1597 *
1598 **************************************************************************/
1599 static int
1600 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1601 {
1602 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1603 	int ret = FAILED;
1604 	unsigned int id;
1605 	uint64_t lun;
1606 	struct qla_hw_data *ha = vha->hw;
1607 
1608 	if (qla2x00_isp_reg_stat(ha)) {
1609 		ql_log(ql_log_info, vha, 0x8040,
1610 		    "PCI/Register disconnect, exiting.\n");
1611 		qla_pci_set_eeh_busy(vha);
1612 		return FAILED;
1613 	}
1614 
1615 	id = cmd->device->id;
1616 	lun = cmd->device->lun;
1617 
1618 	if (qla2x00_chip_is_down(vha))
1619 		return ret;
1620 
1621 	ql_log(ql_log_info, vha, 0x8012,
1622 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1623 
1624 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1625 		ql_log(ql_log_fatal, vha, 0x8013,
1626 		    "Wait for hba online failed board disabled.\n");
1627 		goto eh_bus_reset_done;
1628 	}
1629 
1630 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1631 		ret = SUCCESS;
1632 
1633 	if (ret == FAILED)
1634 		goto eh_bus_reset_done;
1635 
1636 	/* Flush outstanding commands. */
1637 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1638 	    QLA_SUCCESS) {
1639 		ql_log(ql_log_warn, vha, 0x8014,
1640 		    "Wait for pending commands failed.\n");
1641 		ret = FAILED;
1642 	}
1643 
1644 eh_bus_reset_done:
1645 	ql_log(ql_log_warn, vha, 0x802b,
1646 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1647 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1648 
1649 	return ret;
1650 }
1651 
1652 /**************************************************************************
1653 * qla2xxx_eh_host_reset
1654 *
1655 * Description:
1656 *    The reset function will reset the Adapter.
1657 *
1658 * Input:
1659 *      cmd = Linux SCSI command packet of the command that cause the
1660 *            adapter reset.
1661 *
1662 * Returns:
1663 *      Either SUCCESS or FAILED.
1664 *
1665 * Note:
1666 **************************************************************************/
1667 static int
1668 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1669 {
1670 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1671 	struct qla_hw_data *ha = vha->hw;
1672 	int ret = FAILED;
1673 	unsigned int id;
1674 	uint64_t lun;
1675 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1676 
1677 	if (qla2x00_isp_reg_stat(ha)) {
1678 		ql_log(ql_log_info, vha, 0x8041,
1679 		    "PCI/Register disconnect, exiting.\n");
1680 		qla_pci_set_eeh_busy(vha);
1681 		return SUCCESS;
1682 	}
1683 
1684 	id = cmd->device->id;
1685 	lun = cmd->device->lun;
1686 
1687 	ql_log(ql_log_info, vha, 0x8018,
1688 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1689 
1690 	/*
1691 	 * No point in issuing another reset if one is active.  Also do not
1692 	 * attempt a reset if we are updating flash.
1693 	 */
1694 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1695 		goto eh_host_reset_lock;
1696 
1697 	if (vha != base_vha) {
1698 		if (qla2x00_vp_abort_isp(vha))
1699 			goto eh_host_reset_lock;
1700 	} else {
1701 		if (IS_P3P_TYPE(vha->hw)) {
1702 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1703 				/* Ctx reset success */
1704 				ret = SUCCESS;
1705 				goto eh_host_reset_lock;
1706 			}
1707 			/* fall thru if ctx reset failed */
1708 		}
1709 		if (ha->wq)
1710 			flush_workqueue(ha->wq);
1711 
1712 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1713 		if (ha->isp_ops->abort_isp(base_vha)) {
1714 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1715 			/* failed. schedule dpc to try */
1716 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1717 
1718 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1719 				ql_log(ql_log_warn, vha, 0x802a,
1720 				    "wait for hba online failed.\n");
1721 				goto eh_host_reset_lock;
1722 			}
1723 		}
1724 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1725 	}
1726 
1727 	/* Waiting for command to be returned to OS.*/
1728 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1729 		QLA_SUCCESS)
1730 		ret = SUCCESS;
1731 
1732 eh_host_reset_lock:
1733 	ql_log(ql_log_info, vha, 0x8017,
1734 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1735 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1736 
1737 	return ret;
1738 }
1739 
1740 /*
1741 * qla2x00_loop_reset
1742 *      Issue loop reset.
1743 *
1744 * Input:
1745 *      ha = adapter block pointer.
1746 *
1747 * Returns:
1748 *      0 = success
1749 */
1750 int
1751 qla2x00_loop_reset(scsi_qla_host_t *vha)
1752 {
1753 	int ret;
1754 	struct qla_hw_data *ha = vha->hw;
1755 
1756 	if (IS_QLAFX00(ha))
1757 		return QLA_SUCCESS;
1758 
1759 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1760 		atomic_set(&vha->loop_state, LOOP_DOWN);
1761 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1762 		qla2x00_mark_all_devices_lost(vha);
1763 		ret = qla2x00_full_login_lip(vha);
1764 		if (ret != QLA_SUCCESS) {
1765 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1766 			    "full_login_lip=%d.\n", ret);
1767 		}
1768 	}
1769 
1770 	if (ha->flags.enable_lip_reset) {
1771 		ret = qla2x00_lip_reset(vha);
1772 		if (ret != QLA_SUCCESS)
1773 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1774 			    "lip_reset failed (%d).\n", ret);
1775 	}
1776 
1777 	/* Issue marker command only when we are going to start the I/O */
1778 	vha->marker_needed = 1;
1779 
1780 	return QLA_SUCCESS;
1781 }
1782 
1783 /*
1784  * The caller must ensure that no completion interrupts will happen
1785  * while this function is in progress.
1786  */
1787 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1788 			      unsigned long *flags)
1789 	__releases(qp->qp_lock_ptr)
1790 	__acquires(qp->qp_lock_ptr)
1791 {
1792 	DECLARE_COMPLETION_ONSTACK(comp);
1793 	scsi_qla_host_t *vha = qp->vha;
1794 	struct qla_hw_data *ha = vha->hw;
1795 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1796 	int rval;
1797 	bool ret_cmd;
1798 	uint32_t ratov_j;
1799 
1800 	lockdep_assert_held(qp->qp_lock_ptr);
1801 
1802 	if (qla2x00_chip_is_down(vha)) {
1803 		sp->done(sp, res);
1804 		return;
1805 	}
1806 
1807 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1808 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1809 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1810 	     !qla2x00_isp_reg_stat(ha))) {
1811 		if (sp->comp) {
1812 			sp->done(sp, res);
1813 			return;
1814 		}
1815 
1816 		sp->comp = &comp;
1817 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1818 
1819 		rval = ha->isp_ops->abort_command(sp);
1820 		/* Wait for command completion. */
1821 		ret_cmd = false;
1822 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1823 		ratov_j = msecs_to_jiffies(ratov_j);
1824 		switch (rval) {
1825 		case QLA_SUCCESS:
1826 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1827 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1828 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1829 				    __func__, ha->r_a_tov/10);
1830 				ret_cmd = true;
1831 			}
1832 			/* else FW return SP to driver */
1833 			break;
1834 		default:
1835 			ret_cmd = true;
1836 			break;
1837 		}
1838 
1839 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1840 		switch (sp->type) {
1841 		case SRB_SCSI_CMD:
1842 			if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1843 				sp->done(sp, res);
1844 			break;
1845 		default:
1846 			if (ret_cmd)
1847 				sp->done(sp, res);
1848 			break;
1849 		}
1850 	} else {
1851 		sp->done(sp, res);
1852 	}
1853 }
1854 
1855 /*
1856  * The caller must ensure that no completion interrupts will happen
1857  * while this function is in progress.
1858  */
1859 static void
1860 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1861 {
1862 	int cnt;
1863 	unsigned long flags;
1864 	srb_t *sp;
1865 	scsi_qla_host_t *vha = qp->vha;
1866 	struct qla_hw_data *ha = vha->hw;
1867 	struct req_que *req;
1868 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1869 	struct qla_tgt_cmd *cmd;
1870 
1871 	if (!ha->req_q_map)
1872 		return;
1873 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1874 	req = qp->req;
1875 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1876 		sp = req->outstanding_cmds[cnt];
1877 		if (sp) {
1878 			/*
1879 			 * perform lockless completion during driver unload
1880 			 */
1881 			if (qla2x00_chip_is_down(vha)) {
1882 				req->outstanding_cmds[cnt] = NULL;
1883 				spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1884 				sp->done(sp, res);
1885 				spin_lock_irqsave(qp->qp_lock_ptr, flags);
1886 				continue;
1887 			}
1888 
1889 			switch (sp->cmd_type) {
1890 			case TYPE_SRB:
1891 				qla2x00_abort_srb(qp, sp, res, &flags);
1892 				break;
1893 			case TYPE_TGT_CMD:
1894 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1895 				    qla_ini_mode_enabled(vha)) {
1896 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1897 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1898 					    vha->dpc_flags);
1899 					continue;
1900 				}
1901 				cmd = (struct qla_tgt_cmd *)sp;
1902 				cmd->aborted = 1;
1903 				break;
1904 			case TYPE_TGT_TMCMD:
1905 				/* Skip task management functions. */
1906 				break;
1907 			default:
1908 				break;
1909 			}
1910 			req->outstanding_cmds[cnt] = NULL;
1911 		}
1912 	}
1913 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1914 }
1915 
1916 /*
1917  * The caller must ensure that no completion interrupts will happen
1918  * while this function is in progress.
1919  */
1920 void
1921 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1922 {
1923 	int que;
1924 	struct qla_hw_data *ha = vha->hw;
1925 
1926 	/* Continue only if initialization complete. */
1927 	if (!ha->base_qpair)
1928 		return;
1929 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1930 
1931 	if (!ha->queue_pair_map)
1932 		return;
1933 	for (que = 0; que < ha->max_qpairs; que++) {
1934 		if (!ha->queue_pair_map[que])
1935 			continue;
1936 
1937 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1938 	}
1939 }
1940 
1941 static int
1942 qla2xxx_slave_alloc(struct scsi_device *sdev)
1943 {
1944 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1945 
1946 	if (!rport || fc_remote_port_chkready(rport))
1947 		return -ENXIO;
1948 
1949 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1950 
1951 	return 0;
1952 }
1953 
1954 static int
1955 qla2xxx_slave_configure(struct scsi_device *sdev)
1956 {
1957 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1958 	struct req_que *req = vha->req;
1959 
1960 	scsi_change_queue_depth(sdev, req->max_q_depth);
1961 	return 0;
1962 }
1963 
1964 static void
1965 qla2xxx_slave_destroy(struct scsi_device *sdev)
1966 {
1967 	sdev->hostdata = NULL;
1968 }
1969 
1970 /**
1971  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1972  * @ha: HA context
1973  *
1974  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1975  * supported addressing method.
1976  */
1977 static void
1978 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1979 {
1980 	/* Assume a 32bit DMA mask. */
1981 	ha->flags.enable_64bit_addressing = 0;
1982 
1983 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1984 		/* Any upper-dword bits set? */
1985 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1986 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1987 			/* Ok, a 64bit DMA mask is applicable. */
1988 			ha->flags.enable_64bit_addressing = 1;
1989 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1990 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1991 			return;
1992 		}
1993 	}
1994 
1995 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1996 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1997 }
1998 
1999 static void
2000 qla2x00_enable_intrs(struct qla_hw_data *ha)
2001 {
2002 	unsigned long flags = 0;
2003 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2004 
2005 	spin_lock_irqsave(&ha->hardware_lock, flags);
2006 	ha->interrupts_on = 1;
2007 	/* enable risc and host interrupts */
2008 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
2009 	rd_reg_word(&reg->ictrl);
2010 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2011 
2012 }
2013 
2014 static void
2015 qla2x00_disable_intrs(struct qla_hw_data *ha)
2016 {
2017 	unsigned long flags = 0;
2018 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2019 
2020 	spin_lock_irqsave(&ha->hardware_lock, flags);
2021 	ha->interrupts_on = 0;
2022 	/* disable risc and host interrupts */
2023 	wrt_reg_word(&reg->ictrl, 0);
2024 	rd_reg_word(&reg->ictrl);
2025 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2026 }
2027 
2028 static void
2029 qla24xx_enable_intrs(struct qla_hw_data *ha)
2030 {
2031 	unsigned long flags = 0;
2032 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2033 
2034 	spin_lock_irqsave(&ha->hardware_lock, flags);
2035 	ha->interrupts_on = 1;
2036 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2037 	rd_reg_dword(&reg->ictrl);
2038 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2039 }
2040 
2041 static void
2042 qla24xx_disable_intrs(struct qla_hw_data *ha)
2043 {
2044 	unsigned long flags = 0;
2045 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2046 
2047 	if (IS_NOPOLLING_TYPE(ha))
2048 		return;
2049 	spin_lock_irqsave(&ha->hardware_lock, flags);
2050 	ha->interrupts_on = 0;
2051 	wrt_reg_dword(&reg->ictrl, 0);
2052 	rd_reg_dword(&reg->ictrl);
2053 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2054 }
2055 
2056 static int
2057 qla2x00_iospace_config(struct qla_hw_data *ha)
2058 {
2059 	resource_size_t pio;
2060 	uint16_t msix;
2061 
2062 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2063 	    QLA2XXX_DRIVER_NAME)) {
2064 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2065 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2066 		    pci_name(ha->pdev));
2067 		goto iospace_error_exit;
2068 	}
2069 	if (!(ha->bars & 1))
2070 		goto skip_pio;
2071 
2072 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2073 	pio = pci_resource_start(ha->pdev, 0);
2074 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2075 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2076 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2077 			    "Invalid pci I/O region size (%s).\n",
2078 			    pci_name(ha->pdev));
2079 			pio = 0;
2080 		}
2081 	} else {
2082 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2083 		    "Region #0 no a PIO resource (%s).\n",
2084 		    pci_name(ha->pdev));
2085 		pio = 0;
2086 	}
2087 	ha->pio_address = pio;
2088 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2089 	    "PIO address=%llu.\n",
2090 	    (unsigned long long)ha->pio_address);
2091 
2092 skip_pio:
2093 	/* Use MMIO operations for all accesses. */
2094 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2095 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2096 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2097 		    pci_name(ha->pdev));
2098 		goto iospace_error_exit;
2099 	}
2100 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2101 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2102 		    "Invalid PCI mem region size (%s), aborting.\n",
2103 		    pci_name(ha->pdev));
2104 		goto iospace_error_exit;
2105 	}
2106 
2107 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2108 	if (!ha->iobase) {
2109 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2110 		    "Cannot remap MMIO (%s), aborting.\n",
2111 		    pci_name(ha->pdev));
2112 		goto iospace_error_exit;
2113 	}
2114 
2115 	/* Determine queue resources */
2116 	ha->max_req_queues = ha->max_rsp_queues = 1;
2117 	ha->msix_count = QLA_BASE_VECTORS;
2118 
2119 	/* Check if FW supports MQ or not */
2120 	if (!(ha->fw_attributes & BIT_6))
2121 		goto mqiobase_exit;
2122 
2123 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2124 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2125 		goto mqiobase_exit;
2126 
2127 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2128 			pci_resource_len(ha->pdev, 3));
2129 	if (ha->mqiobase) {
2130 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2131 		    "MQIO Base=%p.\n", ha->mqiobase);
2132 		/* Read MSIX vector size of the board */
2133 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2134 		ha->msix_count = msix + 1;
2135 		/* Max queues are bounded by available msix vectors */
2136 		/* MB interrupt uses 1 vector */
2137 		ha->max_req_queues = ha->msix_count - 1;
2138 		ha->max_rsp_queues = ha->max_req_queues;
2139 		/* Queue pairs is the max value minus the base queue pair */
2140 		ha->max_qpairs = ha->max_rsp_queues - 1;
2141 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2142 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2143 
2144 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2145 		    "MSI-X vector count: %d.\n", ha->msix_count);
2146 	} else
2147 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2148 		    "BAR 3 not enabled.\n");
2149 
2150 mqiobase_exit:
2151 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2152 	    "MSIX Count: %d.\n", ha->msix_count);
2153 	return (0);
2154 
2155 iospace_error_exit:
2156 	return (-ENOMEM);
2157 }
2158 
2159 
2160 static int
2161 qla83xx_iospace_config(struct qla_hw_data *ha)
2162 {
2163 	uint16_t msix;
2164 
2165 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2166 	    QLA2XXX_DRIVER_NAME)) {
2167 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2168 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2169 		    pci_name(ha->pdev));
2170 
2171 		goto iospace_error_exit;
2172 	}
2173 
2174 	/* Use MMIO operations for all accesses. */
2175 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2176 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2177 		    "Invalid pci I/O region size (%s).\n",
2178 		    pci_name(ha->pdev));
2179 		goto iospace_error_exit;
2180 	}
2181 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2182 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2183 		    "Invalid PCI mem region size (%s), aborting\n",
2184 			pci_name(ha->pdev));
2185 		goto iospace_error_exit;
2186 	}
2187 
2188 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2189 	if (!ha->iobase) {
2190 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2191 		    "Cannot remap MMIO (%s), aborting.\n",
2192 		    pci_name(ha->pdev));
2193 		goto iospace_error_exit;
2194 	}
2195 
2196 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2197 	/* 83XX 26XX always use MQ type access for queues
2198 	 * - mbar 2, a.k.a region 4 */
2199 	ha->max_req_queues = ha->max_rsp_queues = 1;
2200 	ha->msix_count = QLA_BASE_VECTORS;
2201 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2202 			pci_resource_len(ha->pdev, 4));
2203 
2204 	if (!ha->mqiobase) {
2205 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2206 		    "BAR2/region4 not enabled\n");
2207 		goto mqiobase_exit;
2208 	}
2209 
2210 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2211 			pci_resource_len(ha->pdev, 2));
2212 	if (ha->msixbase) {
2213 		/* Read MSIX vector size of the board */
2214 		pci_read_config_word(ha->pdev,
2215 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2216 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2217 		/*
2218 		 * By default, driver uses at least two msix vectors
2219 		 * (default & rspq)
2220 		 */
2221 		if (ql2xmqsupport || ql2xnvmeenable) {
2222 			/* MB interrupt uses 1 vector */
2223 			ha->max_req_queues = ha->msix_count - 1;
2224 
2225 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2226 			if (QLA_TGT_MODE_ENABLED())
2227 				ha->max_req_queues--;
2228 
2229 			ha->max_rsp_queues = ha->max_req_queues;
2230 
2231 			/* Queue pairs is the max value minus
2232 			 * the base queue pair */
2233 			ha->max_qpairs = ha->max_req_queues - 1;
2234 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2235 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2236 		}
2237 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2238 		    "MSI-X vector count: %d.\n", ha->msix_count);
2239 	} else
2240 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2241 		    "BAR 1 not enabled.\n");
2242 
2243 mqiobase_exit:
2244 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2245 	    "MSIX Count: %d.\n", ha->msix_count);
2246 	return 0;
2247 
2248 iospace_error_exit:
2249 	return -ENOMEM;
2250 }
2251 
2252 static struct isp_operations qla2100_isp_ops = {
2253 	.pci_config		= qla2100_pci_config,
2254 	.reset_chip		= qla2x00_reset_chip,
2255 	.chip_diag		= qla2x00_chip_diag,
2256 	.config_rings		= qla2x00_config_rings,
2257 	.reset_adapter		= qla2x00_reset_adapter,
2258 	.nvram_config		= qla2x00_nvram_config,
2259 	.update_fw_options	= qla2x00_update_fw_options,
2260 	.load_risc		= qla2x00_load_risc,
2261 	.pci_info_str		= qla2x00_pci_info_str,
2262 	.fw_version_str		= qla2x00_fw_version_str,
2263 	.intr_handler		= qla2100_intr_handler,
2264 	.enable_intrs		= qla2x00_enable_intrs,
2265 	.disable_intrs		= qla2x00_disable_intrs,
2266 	.abort_command		= qla2x00_abort_command,
2267 	.target_reset		= qla2x00_abort_target,
2268 	.lun_reset		= qla2x00_lun_reset,
2269 	.fabric_login		= qla2x00_login_fabric,
2270 	.fabric_logout		= qla2x00_fabric_logout,
2271 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2272 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2273 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2274 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2275 	.read_nvram		= qla2x00_read_nvram_data,
2276 	.write_nvram		= qla2x00_write_nvram_data,
2277 	.fw_dump		= qla2100_fw_dump,
2278 	.beacon_on		= NULL,
2279 	.beacon_off		= NULL,
2280 	.beacon_blink		= NULL,
2281 	.read_optrom		= qla2x00_read_optrom_data,
2282 	.write_optrom		= qla2x00_write_optrom_data,
2283 	.get_flash_version	= qla2x00_get_flash_version,
2284 	.start_scsi		= qla2x00_start_scsi,
2285 	.start_scsi_mq          = NULL,
2286 	.abort_isp		= qla2x00_abort_isp,
2287 	.iospace_config     	= qla2x00_iospace_config,
2288 	.initialize_adapter	= qla2x00_initialize_adapter,
2289 };
2290 
2291 static struct isp_operations qla2300_isp_ops = {
2292 	.pci_config		= qla2300_pci_config,
2293 	.reset_chip		= qla2x00_reset_chip,
2294 	.chip_diag		= qla2x00_chip_diag,
2295 	.config_rings		= qla2x00_config_rings,
2296 	.reset_adapter		= qla2x00_reset_adapter,
2297 	.nvram_config		= qla2x00_nvram_config,
2298 	.update_fw_options	= qla2x00_update_fw_options,
2299 	.load_risc		= qla2x00_load_risc,
2300 	.pci_info_str		= qla2x00_pci_info_str,
2301 	.fw_version_str		= qla2x00_fw_version_str,
2302 	.intr_handler		= qla2300_intr_handler,
2303 	.enable_intrs		= qla2x00_enable_intrs,
2304 	.disable_intrs		= qla2x00_disable_intrs,
2305 	.abort_command		= qla2x00_abort_command,
2306 	.target_reset		= qla2x00_abort_target,
2307 	.lun_reset		= qla2x00_lun_reset,
2308 	.fabric_login		= qla2x00_login_fabric,
2309 	.fabric_logout		= qla2x00_fabric_logout,
2310 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2311 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2312 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2313 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2314 	.read_nvram		= qla2x00_read_nvram_data,
2315 	.write_nvram		= qla2x00_write_nvram_data,
2316 	.fw_dump		= qla2300_fw_dump,
2317 	.beacon_on		= qla2x00_beacon_on,
2318 	.beacon_off		= qla2x00_beacon_off,
2319 	.beacon_blink		= qla2x00_beacon_blink,
2320 	.read_optrom		= qla2x00_read_optrom_data,
2321 	.write_optrom		= qla2x00_write_optrom_data,
2322 	.get_flash_version	= qla2x00_get_flash_version,
2323 	.start_scsi		= qla2x00_start_scsi,
2324 	.start_scsi_mq          = NULL,
2325 	.abort_isp		= qla2x00_abort_isp,
2326 	.iospace_config		= qla2x00_iospace_config,
2327 	.initialize_adapter	= qla2x00_initialize_adapter,
2328 };
2329 
2330 static struct isp_operations qla24xx_isp_ops = {
2331 	.pci_config		= qla24xx_pci_config,
2332 	.reset_chip		= qla24xx_reset_chip,
2333 	.chip_diag		= qla24xx_chip_diag,
2334 	.config_rings		= qla24xx_config_rings,
2335 	.reset_adapter		= qla24xx_reset_adapter,
2336 	.nvram_config		= qla24xx_nvram_config,
2337 	.update_fw_options	= qla24xx_update_fw_options,
2338 	.load_risc		= qla24xx_load_risc,
2339 	.pci_info_str		= qla24xx_pci_info_str,
2340 	.fw_version_str		= qla24xx_fw_version_str,
2341 	.intr_handler		= qla24xx_intr_handler,
2342 	.enable_intrs		= qla24xx_enable_intrs,
2343 	.disable_intrs		= qla24xx_disable_intrs,
2344 	.abort_command		= qla24xx_abort_command,
2345 	.target_reset		= qla24xx_abort_target,
2346 	.lun_reset		= qla24xx_lun_reset,
2347 	.fabric_login		= qla24xx_login_fabric,
2348 	.fabric_logout		= qla24xx_fabric_logout,
2349 	.calc_req_entries	= NULL,
2350 	.build_iocbs		= NULL,
2351 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2352 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2353 	.read_nvram		= qla24xx_read_nvram_data,
2354 	.write_nvram		= qla24xx_write_nvram_data,
2355 	.fw_dump		= qla24xx_fw_dump,
2356 	.beacon_on		= qla24xx_beacon_on,
2357 	.beacon_off		= qla24xx_beacon_off,
2358 	.beacon_blink		= qla24xx_beacon_blink,
2359 	.read_optrom		= qla24xx_read_optrom_data,
2360 	.write_optrom		= qla24xx_write_optrom_data,
2361 	.get_flash_version	= qla24xx_get_flash_version,
2362 	.start_scsi		= qla24xx_start_scsi,
2363 	.start_scsi_mq          = NULL,
2364 	.abort_isp		= qla2x00_abort_isp,
2365 	.iospace_config		= qla2x00_iospace_config,
2366 	.initialize_adapter	= qla2x00_initialize_adapter,
2367 };
2368 
2369 static struct isp_operations qla25xx_isp_ops = {
2370 	.pci_config		= qla25xx_pci_config,
2371 	.reset_chip		= qla24xx_reset_chip,
2372 	.chip_diag		= qla24xx_chip_diag,
2373 	.config_rings		= qla24xx_config_rings,
2374 	.reset_adapter		= qla24xx_reset_adapter,
2375 	.nvram_config		= qla24xx_nvram_config,
2376 	.update_fw_options	= qla24xx_update_fw_options,
2377 	.load_risc		= qla24xx_load_risc,
2378 	.pci_info_str		= qla24xx_pci_info_str,
2379 	.fw_version_str		= qla24xx_fw_version_str,
2380 	.intr_handler		= qla24xx_intr_handler,
2381 	.enable_intrs		= qla24xx_enable_intrs,
2382 	.disable_intrs		= qla24xx_disable_intrs,
2383 	.abort_command		= qla24xx_abort_command,
2384 	.target_reset		= qla24xx_abort_target,
2385 	.lun_reset		= qla24xx_lun_reset,
2386 	.fabric_login		= qla24xx_login_fabric,
2387 	.fabric_logout		= qla24xx_fabric_logout,
2388 	.calc_req_entries	= NULL,
2389 	.build_iocbs		= NULL,
2390 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2391 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2392 	.read_nvram		= qla25xx_read_nvram_data,
2393 	.write_nvram		= qla25xx_write_nvram_data,
2394 	.fw_dump		= qla25xx_fw_dump,
2395 	.beacon_on		= qla24xx_beacon_on,
2396 	.beacon_off		= qla24xx_beacon_off,
2397 	.beacon_blink		= qla24xx_beacon_blink,
2398 	.read_optrom		= qla25xx_read_optrom_data,
2399 	.write_optrom		= qla24xx_write_optrom_data,
2400 	.get_flash_version	= qla24xx_get_flash_version,
2401 	.start_scsi		= qla24xx_dif_start_scsi,
2402 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2403 	.abort_isp		= qla2x00_abort_isp,
2404 	.iospace_config		= qla2x00_iospace_config,
2405 	.initialize_adapter	= qla2x00_initialize_adapter,
2406 };
2407 
2408 static struct isp_operations qla81xx_isp_ops = {
2409 	.pci_config		= qla25xx_pci_config,
2410 	.reset_chip		= qla24xx_reset_chip,
2411 	.chip_diag		= qla24xx_chip_diag,
2412 	.config_rings		= qla24xx_config_rings,
2413 	.reset_adapter		= qla24xx_reset_adapter,
2414 	.nvram_config		= qla81xx_nvram_config,
2415 	.update_fw_options	= qla24xx_update_fw_options,
2416 	.load_risc		= qla81xx_load_risc,
2417 	.pci_info_str		= qla24xx_pci_info_str,
2418 	.fw_version_str		= qla24xx_fw_version_str,
2419 	.intr_handler		= qla24xx_intr_handler,
2420 	.enable_intrs		= qla24xx_enable_intrs,
2421 	.disable_intrs		= qla24xx_disable_intrs,
2422 	.abort_command		= qla24xx_abort_command,
2423 	.target_reset		= qla24xx_abort_target,
2424 	.lun_reset		= qla24xx_lun_reset,
2425 	.fabric_login		= qla24xx_login_fabric,
2426 	.fabric_logout		= qla24xx_fabric_logout,
2427 	.calc_req_entries	= NULL,
2428 	.build_iocbs		= NULL,
2429 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2430 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2431 	.read_nvram		= NULL,
2432 	.write_nvram		= NULL,
2433 	.fw_dump		= qla81xx_fw_dump,
2434 	.beacon_on		= qla24xx_beacon_on,
2435 	.beacon_off		= qla24xx_beacon_off,
2436 	.beacon_blink		= qla83xx_beacon_blink,
2437 	.read_optrom		= qla25xx_read_optrom_data,
2438 	.write_optrom		= qla24xx_write_optrom_data,
2439 	.get_flash_version	= qla24xx_get_flash_version,
2440 	.start_scsi		= qla24xx_dif_start_scsi,
2441 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2442 	.abort_isp		= qla2x00_abort_isp,
2443 	.iospace_config		= qla2x00_iospace_config,
2444 	.initialize_adapter	= qla2x00_initialize_adapter,
2445 };
2446 
2447 static struct isp_operations qla82xx_isp_ops = {
2448 	.pci_config		= qla82xx_pci_config,
2449 	.reset_chip		= qla82xx_reset_chip,
2450 	.chip_diag		= qla24xx_chip_diag,
2451 	.config_rings		= qla82xx_config_rings,
2452 	.reset_adapter		= qla24xx_reset_adapter,
2453 	.nvram_config		= qla81xx_nvram_config,
2454 	.update_fw_options	= qla24xx_update_fw_options,
2455 	.load_risc		= qla82xx_load_risc,
2456 	.pci_info_str		= qla24xx_pci_info_str,
2457 	.fw_version_str		= qla24xx_fw_version_str,
2458 	.intr_handler		= qla82xx_intr_handler,
2459 	.enable_intrs		= qla82xx_enable_intrs,
2460 	.disable_intrs		= qla82xx_disable_intrs,
2461 	.abort_command		= qla24xx_abort_command,
2462 	.target_reset		= qla24xx_abort_target,
2463 	.lun_reset		= qla24xx_lun_reset,
2464 	.fabric_login		= qla24xx_login_fabric,
2465 	.fabric_logout		= qla24xx_fabric_logout,
2466 	.calc_req_entries	= NULL,
2467 	.build_iocbs		= NULL,
2468 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2469 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2470 	.read_nvram		= qla24xx_read_nvram_data,
2471 	.write_nvram		= qla24xx_write_nvram_data,
2472 	.fw_dump		= qla82xx_fw_dump,
2473 	.beacon_on		= qla82xx_beacon_on,
2474 	.beacon_off		= qla82xx_beacon_off,
2475 	.beacon_blink		= NULL,
2476 	.read_optrom		= qla82xx_read_optrom_data,
2477 	.write_optrom		= qla82xx_write_optrom_data,
2478 	.get_flash_version	= qla82xx_get_flash_version,
2479 	.start_scsi             = qla82xx_start_scsi,
2480 	.start_scsi_mq          = NULL,
2481 	.abort_isp		= qla82xx_abort_isp,
2482 	.iospace_config     	= qla82xx_iospace_config,
2483 	.initialize_adapter	= qla2x00_initialize_adapter,
2484 };
2485 
2486 static struct isp_operations qla8044_isp_ops = {
2487 	.pci_config		= qla82xx_pci_config,
2488 	.reset_chip		= qla82xx_reset_chip,
2489 	.chip_diag		= qla24xx_chip_diag,
2490 	.config_rings		= qla82xx_config_rings,
2491 	.reset_adapter		= qla24xx_reset_adapter,
2492 	.nvram_config		= qla81xx_nvram_config,
2493 	.update_fw_options	= qla24xx_update_fw_options,
2494 	.load_risc		= qla82xx_load_risc,
2495 	.pci_info_str		= qla24xx_pci_info_str,
2496 	.fw_version_str		= qla24xx_fw_version_str,
2497 	.intr_handler		= qla8044_intr_handler,
2498 	.enable_intrs		= qla82xx_enable_intrs,
2499 	.disable_intrs		= qla82xx_disable_intrs,
2500 	.abort_command		= qla24xx_abort_command,
2501 	.target_reset		= qla24xx_abort_target,
2502 	.lun_reset		= qla24xx_lun_reset,
2503 	.fabric_login		= qla24xx_login_fabric,
2504 	.fabric_logout		= qla24xx_fabric_logout,
2505 	.calc_req_entries	= NULL,
2506 	.build_iocbs		= NULL,
2507 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2508 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2509 	.read_nvram		= NULL,
2510 	.write_nvram		= NULL,
2511 	.fw_dump		= qla8044_fw_dump,
2512 	.beacon_on		= qla82xx_beacon_on,
2513 	.beacon_off		= qla82xx_beacon_off,
2514 	.beacon_blink		= NULL,
2515 	.read_optrom		= qla8044_read_optrom_data,
2516 	.write_optrom		= qla8044_write_optrom_data,
2517 	.get_flash_version	= qla82xx_get_flash_version,
2518 	.start_scsi             = qla82xx_start_scsi,
2519 	.start_scsi_mq          = NULL,
2520 	.abort_isp		= qla8044_abort_isp,
2521 	.iospace_config		= qla82xx_iospace_config,
2522 	.initialize_adapter	= qla2x00_initialize_adapter,
2523 };
2524 
2525 static struct isp_operations qla83xx_isp_ops = {
2526 	.pci_config		= qla25xx_pci_config,
2527 	.reset_chip		= qla24xx_reset_chip,
2528 	.chip_diag		= qla24xx_chip_diag,
2529 	.config_rings		= qla24xx_config_rings,
2530 	.reset_adapter		= qla24xx_reset_adapter,
2531 	.nvram_config		= qla81xx_nvram_config,
2532 	.update_fw_options	= qla24xx_update_fw_options,
2533 	.load_risc		= qla81xx_load_risc,
2534 	.pci_info_str		= qla24xx_pci_info_str,
2535 	.fw_version_str		= qla24xx_fw_version_str,
2536 	.intr_handler		= qla24xx_intr_handler,
2537 	.enable_intrs		= qla24xx_enable_intrs,
2538 	.disable_intrs		= qla24xx_disable_intrs,
2539 	.abort_command		= qla24xx_abort_command,
2540 	.target_reset		= qla24xx_abort_target,
2541 	.lun_reset		= qla24xx_lun_reset,
2542 	.fabric_login		= qla24xx_login_fabric,
2543 	.fabric_logout		= qla24xx_fabric_logout,
2544 	.calc_req_entries	= NULL,
2545 	.build_iocbs		= NULL,
2546 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2547 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2548 	.read_nvram		= NULL,
2549 	.write_nvram		= NULL,
2550 	.fw_dump		= qla83xx_fw_dump,
2551 	.beacon_on		= qla24xx_beacon_on,
2552 	.beacon_off		= qla24xx_beacon_off,
2553 	.beacon_blink		= qla83xx_beacon_blink,
2554 	.read_optrom		= qla25xx_read_optrom_data,
2555 	.write_optrom		= qla24xx_write_optrom_data,
2556 	.get_flash_version	= qla24xx_get_flash_version,
2557 	.start_scsi		= qla24xx_dif_start_scsi,
2558 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2559 	.abort_isp		= qla2x00_abort_isp,
2560 	.iospace_config		= qla83xx_iospace_config,
2561 	.initialize_adapter	= qla2x00_initialize_adapter,
2562 };
2563 
2564 static struct isp_operations qlafx00_isp_ops = {
2565 	.pci_config		= qlafx00_pci_config,
2566 	.reset_chip		= qlafx00_soft_reset,
2567 	.chip_diag		= qlafx00_chip_diag,
2568 	.config_rings		= qlafx00_config_rings,
2569 	.reset_adapter		= qlafx00_soft_reset,
2570 	.nvram_config		= NULL,
2571 	.update_fw_options	= NULL,
2572 	.load_risc		= NULL,
2573 	.pci_info_str		= qlafx00_pci_info_str,
2574 	.fw_version_str		= qlafx00_fw_version_str,
2575 	.intr_handler		= qlafx00_intr_handler,
2576 	.enable_intrs		= qlafx00_enable_intrs,
2577 	.disable_intrs		= qlafx00_disable_intrs,
2578 	.abort_command		= qla24xx_async_abort_command,
2579 	.target_reset		= qlafx00_abort_target,
2580 	.lun_reset		= qlafx00_lun_reset,
2581 	.fabric_login		= NULL,
2582 	.fabric_logout		= NULL,
2583 	.calc_req_entries	= NULL,
2584 	.build_iocbs		= NULL,
2585 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2586 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2587 	.read_nvram		= qla24xx_read_nvram_data,
2588 	.write_nvram		= qla24xx_write_nvram_data,
2589 	.fw_dump		= NULL,
2590 	.beacon_on		= qla24xx_beacon_on,
2591 	.beacon_off		= qla24xx_beacon_off,
2592 	.beacon_blink		= NULL,
2593 	.read_optrom		= qla24xx_read_optrom_data,
2594 	.write_optrom		= qla24xx_write_optrom_data,
2595 	.get_flash_version	= qla24xx_get_flash_version,
2596 	.start_scsi		= qlafx00_start_scsi,
2597 	.start_scsi_mq          = NULL,
2598 	.abort_isp		= qlafx00_abort_isp,
2599 	.iospace_config		= qlafx00_iospace_config,
2600 	.initialize_adapter	= qlafx00_initialize_adapter,
2601 };
2602 
2603 static struct isp_operations qla27xx_isp_ops = {
2604 	.pci_config		= qla25xx_pci_config,
2605 	.reset_chip		= qla24xx_reset_chip,
2606 	.chip_diag		= qla24xx_chip_diag,
2607 	.config_rings		= qla24xx_config_rings,
2608 	.reset_adapter		= qla24xx_reset_adapter,
2609 	.nvram_config		= qla81xx_nvram_config,
2610 	.update_fw_options	= qla24xx_update_fw_options,
2611 	.load_risc		= qla81xx_load_risc,
2612 	.pci_info_str		= qla24xx_pci_info_str,
2613 	.fw_version_str		= qla24xx_fw_version_str,
2614 	.intr_handler		= qla24xx_intr_handler,
2615 	.enable_intrs		= qla24xx_enable_intrs,
2616 	.disable_intrs		= qla24xx_disable_intrs,
2617 	.abort_command		= qla24xx_abort_command,
2618 	.target_reset		= qla24xx_abort_target,
2619 	.lun_reset		= qla24xx_lun_reset,
2620 	.fabric_login		= qla24xx_login_fabric,
2621 	.fabric_logout		= qla24xx_fabric_logout,
2622 	.calc_req_entries	= NULL,
2623 	.build_iocbs		= NULL,
2624 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2625 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2626 	.read_nvram		= NULL,
2627 	.write_nvram		= NULL,
2628 	.fw_dump		= qla27xx_fwdump,
2629 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2630 	.beacon_on		= qla24xx_beacon_on,
2631 	.beacon_off		= qla24xx_beacon_off,
2632 	.beacon_blink		= qla83xx_beacon_blink,
2633 	.read_optrom		= qla25xx_read_optrom_data,
2634 	.write_optrom		= qla24xx_write_optrom_data,
2635 	.get_flash_version	= qla24xx_get_flash_version,
2636 	.start_scsi		= qla24xx_dif_start_scsi,
2637 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2638 	.abort_isp		= qla2x00_abort_isp,
2639 	.iospace_config		= qla83xx_iospace_config,
2640 	.initialize_adapter	= qla2x00_initialize_adapter,
2641 };
2642 
2643 static inline void
2644 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2645 {
2646 	ha->device_type = DT_EXTENDED_IDS;
2647 	switch (ha->pdev->device) {
2648 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2649 		ha->isp_type |= DT_ISP2100;
2650 		ha->device_type &= ~DT_EXTENDED_IDS;
2651 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2652 		break;
2653 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2654 		ha->isp_type |= DT_ISP2200;
2655 		ha->device_type &= ~DT_EXTENDED_IDS;
2656 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2657 		break;
2658 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2659 		ha->isp_type |= DT_ISP2300;
2660 		ha->device_type |= DT_ZIO_SUPPORTED;
2661 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2662 		break;
2663 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2664 		ha->isp_type |= DT_ISP2312;
2665 		ha->device_type |= DT_ZIO_SUPPORTED;
2666 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2667 		break;
2668 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2669 		ha->isp_type |= DT_ISP2322;
2670 		ha->device_type |= DT_ZIO_SUPPORTED;
2671 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2672 		    ha->pdev->subsystem_device == 0x0170)
2673 			ha->device_type |= DT_OEM_001;
2674 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2675 		break;
2676 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2677 		ha->isp_type |= DT_ISP6312;
2678 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2679 		break;
2680 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2681 		ha->isp_type |= DT_ISP6322;
2682 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2683 		break;
2684 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2685 		ha->isp_type |= DT_ISP2422;
2686 		ha->device_type |= DT_ZIO_SUPPORTED;
2687 		ha->device_type |= DT_FWI2;
2688 		ha->device_type |= DT_IIDMA;
2689 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2690 		break;
2691 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2692 		ha->isp_type |= DT_ISP2432;
2693 		ha->device_type |= DT_ZIO_SUPPORTED;
2694 		ha->device_type |= DT_FWI2;
2695 		ha->device_type |= DT_IIDMA;
2696 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2697 		break;
2698 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2699 		ha->isp_type |= DT_ISP8432;
2700 		ha->device_type |= DT_ZIO_SUPPORTED;
2701 		ha->device_type |= DT_FWI2;
2702 		ha->device_type |= DT_IIDMA;
2703 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2704 		break;
2705 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2706 		ha->isp_type |= DT_ISP5422;
2707 		ha->device_type |= DT_FWI2;
2708 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2709 		break;
2710 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2711 		ha->isp_type |= DT_ISP5432;
2712 		ha->device_type |= DT_FWI2;
2713 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2714 		break;
2715 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2716 		ha->isp_type |= DT_ISP2532;
2717 		ha->device_type |= DT_ZIO_SUPPORTED;
2718 		ha->device_type |= DT_FWI2;
2719 		ha->device_type |= DT_IIDMA;
2720 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2721 		break;
2722 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2723 		ha->isp_type |= DT_ISP8001;
2724 		ha->device_type |= DT_ZIO_SUPPORTED;
2725 		ha->device_type |= DT_FWI2;
2726 		ha->device_type |= DT_IIDMA;
2727 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2728 		break;
2729 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2730 		ha->isp_type |= DT_ISP8021;
2731 		ha->device_type |= DT_ZIO_SUPPORTED;
2732 		ha->device_type |= DT_FWI2;
2733 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2734 		/* Initialize 82XX ISP flags */
2735 		qla82xx_init_flags(ha);
2736 		break;
2737 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2738 		ha->isp_type |= DT_ISP8044;
2739 		ha->device_type |= DT_ZIO_SUPPORTED;
2740 		ha->device_type |= DT_FWI2;
2741 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2742 		/* Initialize 82XX ISP flags */
2743 		qla82xx_init_flags(ha);
2744 		break;
2745 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2746 		ha->isp_type |= DT_ISP2031;
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_ISP8031:
2754 		ha->isp_type |= DT_ISP8031;
2755 		ha->device_type |= DT_ZIO_SUPPORTED;
2756 		ha->device_type |= DT_FWI2;
2757 		ha->device_type |= DT_IIDMA;
2758 		ha->device_type |= DT_T10_PI;
2759 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2760 		break;
2761 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2762 		ha->isp_type |= DT_ISPFX00;
2763 		break;
2764 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2765 		ha->isp_type |= DT_ISP2071;
2766 		ha->device_type |= DT_ZIO_SUPPORTED;
2767 		ha->device_type |= DT_FWI2;
2768 		ha->device_type |= DT_IIDMA;
2769 		ha->device_type |= DT_T10_PI;
2770 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2771 		break;
2772 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2773 		ha->isp_type |= DT_ISP2271;
2774 		ha->device_type |= DT_ZIO_SUPPORTED;
2775 		ha->device_type |= DT_FWI2;
2776 		ha->device_type |= DT_IIDMA;
2777 		ha->device_type |= DT_T10_PI;
2778 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2779 		break;
2780 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2781 		ha->isp_type |= DT_ISP2261;
2782 		ha->device_type |= DT_ZIO_SUPPORTED;
2783 		ha->device_type |= DT_FWI2;
2784 		ha->device_type |= DT_IIDMA;
2785 		ha->device_type |= DT_T10_PI;
2786 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2787 		break;
2788 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2789 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2790 		ha->isp_type |= DT_ISP2081;
2791 		ha->device_type |= DT_ZIO_SUPPORTED;
2792 		ha->device_type |= DT_FWI2;
2793 		ha->device_type |= DT_IIDMA;
2794 		ha->device_type |= DT_T10_PI;
2795 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2796 		break;
2797 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2798 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2799 		ha->isp_type |= DT_ISP2281;
2800 		ha->device_type |= DT_ZIO_SUPPORTED;
2801 		ha->device_type |= DT_FWI2;
2802 		ha->device_type |= DT_IIDMA;
2803 		ha->device_type |= DT_T10_PI;
2804 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2805 		break;
2806 	}
2807 
2808 	if (IS_QLA82XX(ha))
2809 		ha->port_no = ha->portnum & 1;
2810 	else {
2811 		/* Get adapter physical port no from interrupt pin register. */
2812 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2813 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2814 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2815 			ha->port_no--;
2816 		else
2817 			ha->port_no = !(ha->port_no & 1);
2818 	}
2819 
2820 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2821 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2822 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2823 }
2824 
2825 static void
2826 qla2xxx_scan_start(struct Scsi_Host *shost)
2827 {
2828 	scsi_qla_host_t *vha = shost_priv(shost);
2829 
2830 	if (vha->hw->flags.running_gold_fw)
2831 		return;
2832 
2833 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2834 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2835 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2836 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2837 }
2838 
2839 static int
2840 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2841 {
2842 	scsi_qla_host_t *vha = shost_priv(shost);
2843 
2844 	if (test_bit(UNLOADING, &vha->dpc_flags))
2845 		return 1;
2846 	if (!vha->host)
2847 		return 1;
2848 	if (time > vha->hw->loop_reset_delay * HZ)
2849 		return 1;
2850 
2851 	return atomic_read(&vha->loop_state) == LOOP_READY;
2852 }
2853 
2854 static void qla_heartbeat_work_fn(struct work_struct *work)
2855 {
2856 	struct qla_hw_data *ha = container_of(work,
2857 		struct qla_hw_data, heartbeat_work);
2858 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2859 
2860 	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2861 		qla_no_op_mb(base_vha);
2862 }
2863 
2864 static void qla2x00_iocb_work_fn(struct work_struct *work)
2865 {
2866 	struct scsi_qla_host *vha = container_of(work,
2867 		struct scsi_qla_host, iocb_work);
2868 	struct qla_hw_data *ha = vha->hw;
2869 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2870 	int i = 2;
2871 	unsigned long flags;
2872 
2873 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2874 		return;
2875 
2876 	while (!list_empty(&vha->work_list) && i > 0) {
2877 		qla2x00_do_work(vha);
2878 		i--;
2879 	}
2880 
2881 	spin_lock_irqsave(&vha->work_lock, flags);
2882 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2883 	spin_unlock_irqrestore(&vha->work_lock, flags);
2884 }
2885 
2886 static void
2887 qla_trace_init(void)
2888 {
2889 	qla_trc_array = trace_array_get_by_name("qla2xxx", NULL);
2890 	if (!qla_trc_array) {
2891 		ql_log(ql_log_fatal, NULL, 0x0001,
2892 		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2893 		return;
2894 	}
2895 
2896 	QLA_TRACE_ENABLE(qla_trc_array);
2897 }
2898 
2899 static void
2900 qla_trace_uninit(void)
2901 {
2902 	if (!qla_trc_array)
2903 		return;
2904 	trace_array_put(qla_trc_array);
2905 }
2906 
2907 /*
2908  * PCI driver interface
2909  */
2910 static int
2911 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2912 {
2913 	int	ret = -ENODEV;
2914 	struct Scsi_Host *host;
2915 	scsi_qla_host_t *base_vha = NULL;
2916 	struct qla_hw_data *ha;
2917 	char pci_info[30];
2918 	char fw_str[30], wq_name[30];
2919 	struct scsi_host_template *sht;
2920 	int bars, mem_only = 0;
2921 	uint16_t req_length = 0, rsp_length = 0;
2922 	struct req_que *req = NULL;
2923 	struct rsp_que *rsp = NULL;
2924 	int i;
2925 
2926 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2927 	sht = &qla2xxx_driver_template;
2928 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2929 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2930 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2931 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2932 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2933 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2934 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2935 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2936 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2937 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2938 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2939 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2940 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2941 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2942 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2943 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2944 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2945 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2946 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2947 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2948 		mem_only = 1;
2949 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2950 		    "Mem only adapter.\n");
2951 	}
2952 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2953 	    "Bars=%d.\n", bars);
2954 
2955 	if (mem_only) {
2956 		if (pci_enable_device_mem(pdev))
2957 			return ret;
2958 	} else {
2959 		if (pci_enable_device(pdev))
2960 			return ret;
2961 	}
2962 
2963 	if (is_kdump_kernel()) {
2964 		ql2xmqsupport = 0;
2965 		ql2xallocfwdump = 0;
2966 	}
2967 
2968 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2969 	if (!ha) {
2970 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2971 		    "Unable to allocate memory for ha.\n");
2972 		goto disable_device;
2973 	}
2974 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2975 	    "Memory allocated for ha=%p.\n", ha);
2976 	ha->pdev = pdev;
2977 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2978 	spin_lock_init(&ha->tgt.q_full_lock);
2979 	spin_lock_init(&ha->tgt.sess_lock);
2980 	spin_lock_init(&ha->tgt.atio_lock);
2981 
2982 	spin_lock_init(&ha->sadb_lock);
2983 	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2984 	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2985 
2986 	spin_lock_init(&ha->sadb_fp_lock);
2987 
2988 	if (qla_edif_sadb_build_free_pool(ha)) {
2989 		kfree(ha);
2990 		goto  disable_device;
2991 	}
2992 
2993 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2994 
2995 	/* Clear our data area */
2996 	ha->bars = bars;
2997 	ha->mem_only = mem_only;
2998 	spin_lock_init(&ha->hardware_lock);
2999 	spin_lock_init(&ha->vport_slock);
3000 	mutex_init(&ha->selflogin_lock);
3001 	mutex_init(&ha->optrom_mutex);
3002 
3003 	/* Set ISP-type information. */
3004 	qla2x00_set_isp_flags(ha);
3005 
3006 	/* Set EEH reset type to fundamental if required by hba */
3007 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
3008 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3009 		pdev->needs_freset = 1;
3010 
3011 	ha->prev_topology = 0;
3012 	ha->init_cb_size = sizeof(init_cb_t);
3013 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
3014 	ha->optrom_size = OPTROM_SIZE_2300;
3015 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
3016 	atomic_set(&ha->num_pend_mbx_stage1, 0);
3017 	atomic_set(&ha->num_pend_mbx_stage2, 0);
3018 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
3019 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
3020 	INIT_LIST_HEAD(&ha->tmf_pending);
3021 	INIT_LIST_HEAD(&ha->tmf_active);
3022 
3023 	/* Assign ISP specific operations. */
3024 	if (IS_QLA2100(ha)) {
3025 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3026 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
3027 		req_length = REQUEST_ENTRY_CNT_2100;
3028 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3029 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3030 		ha->gid_list_info_size = 4;
3031 		ha->flash_conf_off = ~0;
3032 		ha->flash_data_off = ~0;
3033 		ha->nvram_conf_off = ~0;
3034 		ha->nvram_data_off = ~0;
3035 		ha->isp_ops = &qla2100_isp_ops;
3036 	} else if (IS_QLA2200(ha)) {
3037 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3038 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3039 		req_length = REQUEST_ENTRY_CNT_2200;
3040 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3041 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3042 		ha->gid_list_info_size = 4;
3043 		ha->flash_conf_off = ~0;
3044 		ha->flash_data_off = ~0;
3045 		ha->nvram_conf_off = ~0;
3046 		ha->nvram_data_off = ~0;
3047 		ha->isp_ops = &qla2100_isp_ops;
3048 	} else if (IS_QLA23XX(ha)) {
3049 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3050 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3051 		req_length = REQUEST_ENTRY_CNT_2200;
3052 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3053 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3054 		ha->gid_list_info_size = 6;
3055 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3056 			ha->optrom_size = OPTROM_SIZE_2322;
3057 		ha->flash_conf_off = ~0;
3058 		ha->flash_data_off = ~0;
3059 		ha->nvram_conf_off = ~0;
3060 		ha->nvram_data_off = ~0;
3061 		ha->isp_ops = &qla2300_isp_ops;
3062 	} else if (IS_QLA24XX_TYPE(ha)) {
3063 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3064 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3065 		req_length = REQUEST_ENTRY_CNT_24XX;
3066 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3067 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3068 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3069 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3070 		ha->gid_list_info_size = 8;
3071 		ha->optrom_size = OPTROM_SIZE_24XX;
3072 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3073 		ha->isp_ops = &qla24xx_isp_ops;
3074 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3075 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3076 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3077 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3078 	} else if (IS_QLA25XX(ha)) {
3079 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3080 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3081 		req_length = REQUEST_ENTRY_CNT_24XX;
3082 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3083 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3084 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3085 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3086 		ha->gid_list_info_size = 8;
3087 		ha->optrom_size = OPTROM_SIZE_25XX;
3088 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3089 		ha->isp_ops = &qla25xx_isp_ops;
3090 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3091 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3092 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3093 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3094 	} else if (IS_QLA81XX(ha)) {
3095 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3096 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3097 		req_length = REQUEST_ENTRY_CNT_24XX;
3098 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3099 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3100 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3101 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3102 		ha->gid_list_info_size = 8;
3103 		ha->optrom_size = OPTROM_SIZE_81XX;
3104 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3105 		ha->isp_ops = &qla81xx_isp_ops;
3106 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3107 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3108 		ha->nvram_conf_off = ~0;
3109 		ha->nvram_data_off = ~0;
3110 	} else if (IS_QLA82XX(ha)) {
3111 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3112 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3113 		req_length = REQUEST_ENTRY_CNT_82XX;
3114 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3115 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3116 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3117 		ha->gid_list_info_size = 8;
3118 		ha->optrom_size = OPTROM_SIZE_82XX;
3119 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3120 		ha->isp_ops = &qla82xx_isp_ops;
3121 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3122 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3123 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3124 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3125 	} else if (IS_QLA8044(ha)) {
3126 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3127 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3128 		req_length = REQUEST_ENTRY_CNT_82XX;
3129 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3130 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3131 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3132 		ha->gid_list_info_size = 8;
3133 		ha->optrom_size = OPTROM_SIZE_83XX;
3134 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3135 		ha->isp_ops = &qla8044_isp_ops;
3136 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3137 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3138 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3139 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3140 	} else if (IS_QLA83XX(ha)) {
3141 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3142 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3143 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3144 		req_length = REQUEST_ENTRY_CNT_83XX;
3145 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3146 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3147 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3148 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3149 		ha->gid_list_info_size = 8;
3150 		ha->optrom_size = OPTROM_SIZE_83XX;
3151 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3152 		ha->isp_ops = &qla83xx_isp_ops;
3153 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3154 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3155 		ha->nvram_conf_off = ~0;
3156 		ha->nvram_data_off = ~0;
3157 	}  else if (IS_QLAFX00(ha)) {
3158 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3159 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3160 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3161 		req_length = REQUEST_ENTRY_CNT_FX00;
3162 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3163 		ha->isp_ops = &qlafx00_isp_ops;
3164 		ha->port_down_retry_count = 30; /* default value */
3165 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3166 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3167 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3168 		ha->mr.fw_hbt_en = 1;
3169 		ha->mr.host_info_resend = false;
3170 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3171 	} else if (IS_QLA27XX(ha)) {
3172 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3173 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3174 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3175 		req_length = REQUEST_ENTRY_CNT_83XX;
3176 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3177 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3178 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3179 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3180 		ha->gid_list_info_size = 8;
3181 		ha->optrom_size = OPTROM_SIZE_83XX;
3182 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3183 		ha->isp_ops = &qla27xx_isp_ops;
3184 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3185 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3186 		ha->nvram_conf_off = ~0;
3187 		ha->nvram_data_off = ~0;
3188 	} else if (IS_QLA28XX(ha)) {
3189 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3190 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3191 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3192 		req_length = REQUEST_ENTRY_CNT_83XX;
3193 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3194 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3195 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3196 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3197 		ha->gid_list_info_size = 8;
3198 		ha->optrom_size = OPTROM_SIZE_28XX;
3199 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3200 		ha->isp_ops = &qla27xx_isp_ops;
3201 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3202 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3203 		ha->nvram_conf_off = ~0;
3204 		ha->nvram_data_off = ~0;
3205 	}
3206 
3207 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3208 	    "mbx_count=%d, req_length=%d, "
3209 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3210 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3211 	    "max_fibre_devices=%d.\n",
3212 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3213 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3214 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3215 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3216 	    "isp_ops=%p, flash_conf_off=%d, "
3217 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3218 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3219 	    ha->nvram_conf_off, ha->nvram_data_off);
3220 
3221 	/* Configure PCI I/O space */
3222 	ret = ha->isp_ops->iospace_config(ha);
3223 	if (ret)
3224 		goto iospace_config_failed;
3225 
3226 	ql_log_pci(ql_log_info, pdev, 0x001d,
3227 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3228 	    pdev->device, pdev->irq, ha->iobase);
3229 	mutex_init(&ha->vport_lock);
3230 	mutex_init(&ha->mq_lock);
3231 	init_completion(&ha->mbx_cmd_comp);
3232 	complete(&ha->mbx_cmd_comp);
3233 	init_completion(&ha->mbx_intr_comp);
3234 	init_completion(&ha->dcbx_comp);
3235 	init_completion(&ha->lb_portup_comp);
3236 
3237 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3238 
3239 	qla2x00_config_dma_addressing(ha);
3240 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3241 	    "64 Bit addressing is %s.\n",
3242 	    ha->flags.enable_64bit_addressing ? "enable" :
3243 	    "disable");
3244 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3245 	if (ret) {
3246 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3247 		    "Failed to allocate memory for adapter, aborting.\n");
3248 
3249 		goto probe_hw_failed;
3250 	}
3251 
3252 	req->max_q_depth = MAX_Q_DEPTH;
3253 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3254 		req->max_q_depth = ql2xmaxqdepth;
3255 
3256 
3257 	base_vha = qla2x00_create_host(sht, ha);
3258 	if (!base_vha) {
3259 		ret = -ENOMEM;
3260 		goto probe_hw_failed;
3261 	}
3262 
3263 	pci_set_drvdata(pdev, base_vha);
3264 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3265 
3266 	host = base_vha->host;
3267 	base_vha->req = req;
3268 	if (IS_QLA2XXX_MIDTYPE(ha))
3269 		base_vha->mgmt_svr_loop_id =
3270 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3271 	else
3272 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3273 						base_vha->vp_idx;
3274 
3275 	/* Setup fcport template structure. */
3276 	ha->mr.fcport.vha = base_vha;
3277 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3278 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3279 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3280 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3281 	ha->mr.fcport.scan_state = 1;
3282 
3283 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3284 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3285 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3286 
3287 	/* Set the SG table size based on ISP type */
3288 	if (!IS_FWI2_CAPABLE(ha)) {
3289 		if (IS_QLA2100(ha))
3290 			host->sg_tablesize = 32;
3291 	} else {
3292 		if (!IS_QLA82XX(ha))
3293 			host->sg_tablesize = QLA_SG_ALL;
3294 	}
3295 	host->max_id = ha->max_fibre_devices;
3296 	host->cmd_per_lun = 3;
3297 	host->unique_id = host->host_no;
3298 
3299 	if (ql2xenabledif && ql2xenabledif != 2) {
3300 		ql_log(ql_log_warn, base_vha, 0x302d,
3301 		       "Invalid value for ql2xenabledif, resetting it to default (2)\n");
3302 		ql2xenabledif = 2;
3303 	}
3304 
3305 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3306 		host->max_cmd_len = 32;
3307 	else
3308 		host->max_cmd_len = MAX_CMDSZ;
3309 	host->max_channel = MAX_BUSES - 1;
3310 	/* Older HBAs support only 16-bit LUNs */
3311 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3312 	    ql2xmaxlun > 0xffff)
3313 		host->max_lun = 0xffff;
3314 	else
3315 		host->max_lun = ql2xmaxlun;
3316 	host->transportt = qla2xxx_transport_template;
3317 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3318 
3319 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3320 	    "max_id=%d this_id=%d "
3321 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3322 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3323 	    host->this_id, host->cmd_per_lun, host->unique_id,
3324 	    host->max_cmd_len, host->max_channel, host->max_lun,
3325 	    host->transportt, sht->vendor_id);
3326 
3327 	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3328 
3329 	/* Set up the irqs */
3330 	ret = qla2x00_request_irqs(ha, rsp);
3331 	if (ret)
3332 		goto probe_failed;
3333 
3334 	/* Alloc arrays of request and response ring ptrs */
3335 	ret = qla2x00_alloc_queues(ha, req, rsp);
3336 	if (ret) {
3337 		ql_log(ql_log_fatal, base_vha, 0x003d,
3338 		    "Failed to allocate memory for queue pointers..."
3339 		    "aborting.\n");
3340 		ret = -ENODEV;
3341 		goto probe_failed;
3342 	}
3343 
3344 	if (ha->mqenable) {
3345 		/* number of hardware queues supported by blk/scsi-mq*/
3346 		host->nr_hw_queues = ha->max_qpairs;
3347 
3348 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3349 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3350 	} else {
3351 		if (ql2xnvmeenable) {
3352 			host->nr_hw_queues = ha->max_qpairs;
3353 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3354 			    "FC-NVMe support is enabled, HW queues=%d\n",
3355 			    host->nr_hw_queues);
3356 		} else {
3357 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3358 			    "blk/scsi-mq disabled.\n");
3359 		}
3360 	}
3361 
3362 	qlt_probe_one_stage1(base_vha, ha);
3363 
3364 	pci_save_state(pdev);
3365 
3366 	/* Assign back pointers */
3367 	rsp->req = req;
3368 	req->rsp = rsp;
3369 
3370 	if (IS_QLAFX00(ha)) {
3371 		ha->rsp_q_map[0] = rsp;
3372 		ha->req_q_map[0] = req;
3373 		set_bit(0, ha->req_qid_map);
3374 		set_bit(0, ha->rsp_qid_map);
3375 	}
3376 
3377 	/* FWI2-capable only. */
3378 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3379 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3380 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3381 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3382 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3383 	    IS_QLA28XX(ha)) {
3384 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3385 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3386 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3387 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3388 	}
3389 
3390 	if (IS_QLAFX00(ha)) {
3391 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3392 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3393 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3394 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3395 	}
3396 
3397 	if (IS_P3P_TYPE(ha)) {
3398 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3399 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3400 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3401 	}
3402 
3403 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3404 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3405 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3406 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3407 	    "req->req_q_in=%p req->req_q_out=%p "
3408 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3409 	    req->req_q_in, req->req_q_out,
3410 	    rsp->rsp_q_in, rsp->rsp_q_out);
3411 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3412 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3413 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3414 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3415 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3416 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3417 
3418 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3419 	if (unlikely(!ha->wq)) {
3420 		ret = -ENOMEM;
3421 		goto probe_failed;
3422 	}
3423 
3424 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3425 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3426 		    "Failed to initialize adapter - Adapter flags %x.\n",
3427 		    base_vha->device_flags);
3428 
3429 		if (IS_QLA82XX(ha)) {
3430 			qla82xx_idc_lock(ha);
3431 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3432 				QLA8XXX_DEV_FAILED);
3433 			qla82xx_idc_unlock(ha);
3434 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3435 			    "HW State: FAILED.\n");
3436 		} else if (IS_QLA8044(ha)) {
3437 			qla8044_idc_lock(ha);
3438 			qla8044_wr_direct(base_vha,
3439 				QLA8044_CRB_DEV_STATE_INDEX,
3440 				QLA8XXX_DEV_FAILED);
3441 			qla8044_idc_unlock(ha);
3442 			ql_log(ql_log_fatal, base_vha, 0x0150,
3443 			    "HW State: FAILED.\n");
3444 		}
3445 
3446 		ret = -ENODEV;
3447 		goto probe_failed;
3448 	}
3449 
3450 	if (IS_QLAFX00(ha))
3451 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3452 	else
3453 		host->can_queue = req->num_outstanding_cmds - 10;
3454 
3455 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3456 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3457 	    host->can_queue, base_vha->req,
3458 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3459 
3460 	/* Check if FW supports MQ or not for ISP25xx */
3461 	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3462 		ha->mqenable = 0;
3463 
3464 	if (ha->mqenable) {
3465 		bool startit = false;
3466 
3467 		if (QLA_TGT_MODE_ENABLED())
3468 			startit = false;
3469 
3470 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3471 			startit = true;
3472 
3473 		/* Create start of day qpairs for Block MQ */
3474 		for (i = 0; i < ha->max_qpairs; i++)
3475 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3476 	}
3477 	qla_init_iocb_limit(base_vha);
3478 
3479 	if (ha->flags.running_gold_fw)
3480 		goto skip_dpc;
3481 
3482 	/*
3483 	 * Startup the kernel thread for this host adapter
3484 	 */
3485 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3486 	    "%s_dpc", base_vha->host_str);
3487 	if (IS_ERR(ha->dpc_thread)) {
3488 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3489 		    "Failed to start DPC thread.\n");
3490 		ret = PTR_ERR(ha->dpc_thread);
3491 		ha->dpc_thread = NULL;
3492 		goto probe_failed;
3493 	}
3494 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3495 	    "DPC thread started successfully.\n");
3496 
3497 	/*
3498 	 * If we're not coming up in initiator mode, we might sit for
3499 	 * a while without waking up the dpc thread, which leads to a
3500 	 * stuck process warning.  So just kick the dpc once here and
3501 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3502 	 */
3503 	qla2xxx_wake_dpc(base_vha);
3504 
3505 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3506 
3507 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3508 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3509 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3510 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3511 
3512 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3513 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3514 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3515 		INIT_WORK(&ha->idc_state_handler,
3516 		    qla83xx_idc_state_handler_work);
3517 		INIT_WORK(&ha->nic_core_unrecoverable,
3518 		    qla83xx_nic_core_unrecoverable_work);
3519 	}
3520 
3521 skip_dpc:
3522 	list_add_tail(&base_vha->list, &ha->vp_list);
3523 	base_vha->host->irq = ha->pdev->irq;
3524 
3525 	/* Initialized the timer */
3526 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3527 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3528 	    "Started qla2x00_timer with "
3529 	    "interval=%d.\n", WATCH_INTERVAL);
3530 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3531 	    "Detected hba at address=%p.\n",
3532 	    ha);
3533 
3534 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3535 		if (ha->fw_attributes & BIT_4) {
3536 			int prot = 0, guard;
3537 
3538 			base_vha->flags.difdix_supported = 1;
3539 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3540 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3541 			if (ql2xprotmask)
3542 				scsi_host_set_prot(host, ql2xprotmask);
3543 			else
3544 				scsi_host_set_prot(host,
3545 				    prot | SHOST_DIF_TYPE1_PROTECTION
3546 				    | SHOST_DIF_TYPE2_PROTECTION
3547 				    | SHOST_DIF_TYPE3_PROTECTION
3548 				    | SHOST_DIX_TYPE1_PROTECTION
3549 				    | SHOST_DIX_TYPE2_PROTECTION
3550 				    | SHOST_DIX_TYPE3_PROTECTION);
3551 
3552 			guard = SHOST_DIX_GUARD_CRC;
3553 
3554 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3555 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3556 				guard |= SHOST_DIX_GUARD_IP;
3557 
3558 			if (ql2xprotguard)
3559 				scsi_host_set_guard(host, ql2xprotguard);
3560 			else
3561 				scsi_host_set_guard(host, guard);
3562 		} else
3563 			base_vha->flags.difdix_supported = 0;
3564 	}
3565 
3566 	ha->isp_ops->enable_intrs(ha);
3567 
3568 	if (IS_QLAFX00(ha)) {
3569 		ret = qlafx00_fx_disc(base_vha,
3570 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3571 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3572 		    QLA_SG_ALL : 128;
3573 	}
3574 
3575 	if (IS_T10_PI_CAPABLE(base_vha->hw))
3576 		host->dma_alignment = 0x7;
3577 
3578 	ret = scsi_add_host(host, &pdev->dev);
3579 	if (ret)
3580 		goto probe_failed;
3581 
3582 	base_vha->flags.init_done = 1;
3583 	base_vha->flags.online = 1;
3584 	ha->prev_minidump_failed = 0;
3585 
3586 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3587 	    "Init done and hba is online.\n");
3588 
3589 	if (qla_ini_mode_enabled(base_vha) ||
3590 		qla_dual_mode_enabled(base_vha))
3591 		scsi_scan_host(host);
3592 	else
3593 		ql_log(ql_log_info, base_vha, 0x0122,
3594 			"skipping scsi_scan_host() for non-initiator port\n");
3595 
3596 	qla2x00_alloc_sysfs_attr(base_vha);
3597 
3598 	if (IS_QLAFX00(ha)) {
3599 		ret = qlafx00_fx_disc(base_vha,
3600 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3601 
3602 		/* Register system information */
3603 		ret =  qlafx00_fx_disc(base_vha,
3604 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3605 	}
3606 
3607 	qla2x00_init_host_attr(base_vha);
3608 
3609 	qla2x00_dfs_setup(base_vha);
3610 
3611 	ql_log(ql_log_info, base_vha, 0x00fb,
3612 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3613 	ql_log(ql_log_info, base_vha, 0x00fc,
3614 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3615 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3616 						       sizeof(pci_info)),
3617 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3618 	    base_vha->host_no,
3619 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3620 
3621 	qlt_add_target(ha, base_vha);
3622 
3623 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3624 
3625 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3626 		return -ENODEV;
3627 
3628 	return 0;
3629 
3630 probe_failed:
3631 	qla_enode_stop(base_vha);
3632 	qla_edb_stop(base_vha);
3633 	vfree(base_vha->scan.l);
3634 	if (base_vha->gnl.l) {
3635 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3636 				base_vha->gnl.l, base_vha->gnl.ldma);
3637 		base_vha->gnl.l = NULL;
3638 	}
3639 
3640 	if (base_vha->timer_active)
3641 		qla2x00_stop_timer(base_vha);
3642 	base_vha->flags.online = 0;
3643 	if (ha->dpc_thread) {
3644 		struct task_struct *t = ha->dpc_thread;
3645 
3646 		ha->dpc_thread = NULL;
3647 		kthread_stop(t);
3648 	}
3649 
3650 	qla2x00_free_device(base_vha);
3651 	scsi_host_put(base_vha->host);
3652 	/*
3653 	 * Need to NULL out local req/rsp after
3654 	 * qla2x00_free_device => qla2x00_free_queues frees
3655 	 * what these are pointing to. Or else we'll
3656 	 * fall over below in qla2x00_free_req/rsp_que.
3657 	 */
3658 	req = NULL;
3659 	rsp = NULL;
3660 
3661 probe_hw_failed:
3662 	qla2x00_mem_free(ha);
3663 	qla2x00_free_req_que(ha, req);
3664 	qla2x00_free_rsp_que(ha, rsp);
3665 	qla2x00_clear_drv_active(ha);
3666 
3667 iospace_config_failed:
3668 	if (IS_P3P_TYPE(ha)) {
3669 		if (!ha->nx_pcibase)
3670 			iounmap((device_reg_t *)ha->nx_pcibase);
3671 		if (!ql2xdbwr)
3672 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3673 	} else {
3674 		if (ha->iobase)
3675 			iounmap(ha->iobase);
3676 		if (ha->cregbase)
3677 			iounmap(ha->cregbase);
3678 	}
3679 	pci_release_selected_regions(ha->pdev, ha->bars);
3680 	kfree(ha);
3681 
3682 disable_device:
3683 	pci_disable_device(pdev);
3684 	return ret;
3685 }
3686 
3687 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3688 {
3689 	scsi_qla_host_t *vp;
3690 	unsigned long flags;
3691 	struct qla_hw_data *ha;
3692 
3693 	if (!base_vha)
3694 		return;
3695 
3696 	ha = base_vha->hw;
3697 
3698 	spin_lock_irqsave(&ha->vport_slock, flags);
3699 	list_for_each_entry(vp, &ha->vp_list, list)
3700 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3701 
3702 	/*
3703 	 * Indicate device removal to prevent future board_disable
3704 	 * and wait until any pending board_disable has completed.
3705 	 */
3706 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3707 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3708 }
3709 
3710 static void
3711 qla2x00_shutdown(struct pci_dev *pdev)
3712 {
3713 	scsi_qla_host_t *vha;
3714 	struct qla_hw_data  *ha;
3715 
3716 	vha = pci_get_drvdata(pdev);
3717 	ha = vha->hw;
3718 
3719 	ql_log(ql_log_info, vha, 0xfffa,
3720 		"Adapter shutdown\n");
3721 
3722 	/*
3723 	 * Prevent future board_disable and wait
3724 	 * until any pending board_disable has completed.
3725 	 */
3726 	__qla_set_remove_flag(vha);
3727 	cancel_work_sync(&ha->board_disable);
3728 
3729 	if (!atomic_read(&pdev->enable_cnt))
3730 		return;
3731 
3732 	/* Notify ISPFX00 firmware */
3733 	if (IS_QLAFX00(ha))
3734 		qlafx00_driver_shutdown(vha, 20);
3735 
3736 	/* Turn-off FCE trace */
3737 	if (ha->flags.fce_enabled) {
3738 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3739 		ha->flags.fce_enabled = 0;
3740 	}
3741 
3742 	/* Turn-off EFT trace */
3743 	if (ha->eft)
3744 		qla2x00_disable_eft_trace(vha);
3745 
3746 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3747 	    IS_QLA28XX(ha)) {
3748 		if (ha->flags.fw_started)
3749 			qla2x00_abort_isp_cleanup(vha);
3750 	} else {
3751 		/* Stop currently executing firmware. */
3752 		qla2x00_try_to_stop_firmware(vha);
3753 	}
3754 
3755 	/* Disable timer */
3756 	if (vha->timer_active)
3757 		qla2x00_stop_timer(vha);
3758 
3759 	/* Turn adapter off line */
3760 	vha->flags.online = 0;
3761 
3762 	/* turn-off interrupts on the card */
3763 	if (ha->interrupts_on) {
3764 		vha->flags.init_done = 0;
3765 		ha->isp_ops->disable_intrs(ha);
3766 	}
3767 
3768 	qla2x00_free_irqs(vha);
3769 
3770 	qla2x00_free_fw_dump(ha);
3771 
3772 	pci_disable_device(pdev);
3773 	ql_log(ql_log_info, vha, 0xfffe,
3774 		"Adapter shutdown successfully.\n");
3775 }
3776 
3777 /* Deletes all the virtual ports for a given ha */
3778 static void
3779 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3780 {
3781 	scsi_qla_host_t *vha;
3782 	unsigned long flags;
3783 
3784 	mutex_lock(&ha->vport_lock);
3785 	while (ha->cur_vport_count) {
3786 		spin_lock_irqsave(&ha->vport_slock, flags);
3787 
3788 		BUG_ON(base_vha->list.next == &ha->vp_list);
3789 		/* This assumes first entry in ha->vp_list is always base vha */
3790 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3791 		scsi_host_get(vha->host);
3792 
3793 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3794 		mutex_unlock(&ha->vport_lock);
3795 
3796 		qla_nvme_delete(vha);
3797 
3798 		fc_vport_terminate(vha->fc_vport);
3799 		scsi_host_put(vha->host);
3800 
3801 		mutex_lock(&ha->vport_lock);
3802 	}
3803 	mutex_unlock(&ha->vport_lock);
3804 }
3805 
3806 /* Stops all deferred work threads */
3807 static void
3808 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3809 {
3810 	/* Cancel all work and destroy DPC workqueues */
3811 	if (ha->dpc_lp_wq) {
3812 		cancel_work_sync(&ha->idc_aen);
3813 		destroy_workqueue(ha->dpc_lp_wq);
3814 		ha->dpc_lp_wq = NULL;
3815 	}
3816 
3817 	if (ha->dpc_hp_wq) {
3818 		cancel_work_sync(&ha->nic_core_reset);
3819 		cancel_work_sync(&ha->idc_state_handler);
3820 		cancel_work_sync(&ha->nic_core_unrecoverable);
3821 		destroy_workqueue(ha->dpc_hp_wq);
3822 		ha->dpc_hp_wq = NULL;
3823 	}
3824 
3825 	/* Kill the kernel thread for this host */
3826 	if (ha->dpc_thread) {
3827 		struct task_struct *t = ha->dpc_thread;
3828 
3829 		/*
3830 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3831 		 * so we need to zero it out.
3832 		 */
3833 		ha->dpc_thread = NULL;
3834 		kthread_stop(t);
3835 	}
3836 }
3837 
3838 static void
3839 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3840 {
3841 	if (IS_QLA82XX(ha)) {
3842 
3843 		iounmap((device_reg_t *)ha->nx_pcibase);
3844 		if (!ql2xdbwr)
3845 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3846 	} else {
3847 		if (ha->iobase)
3848 			iounmap(ha->iobase);
3849 
3850 		if (ha->cregbase)
3851 			iounmap(ha->cregbase);
3852 
3853 		if (ha->mqiobase)
3854 			iounmap(ha->mqiobase);
3855 
3856 		if (ha->msixbase)
3857 			iounmap(ha->msixbase);
3858 	}
3859 }
3860 
3861 static void
3862 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3863 {
3864 	if (IS_QLA8044(ha)) {
3865 		qla8044_idc_lock(ha);
3866 		qla8044_clear_drv_active(ha);
3867 		qla8044_idc_unlock(ha);
3868 	} else if (IS_QLA82XX(ha)) {
3869 		qla82xx_idc_lock(ha);
3870 		qla82xx_clear_drv_active(ha);
3871 		qla82xx_idc_unlock(ha);
3872 	}
3873 }
3874 
3875 static void
3876 qla2x00_remove_one(struct pci_dev *pdev)
3877 {
3878 	scsi_qla_host_t *base_vha;
3879 	struct qla_hw_data  *ha;
3880 
3881 	base_vha = pci_get_drvdata(pdev);
3882 	ha = base_vha->hw;
3883 	ql_log(ql_log_info, base_vha, 0xb079,
3884 	    "Removing driver\n");
3885 	__qla_set_remove_flag(base_vha);
3886 	cancel_work_sync(&ha->board_disable);
3887 
3888 	/*
3889 	 * If the PCI device is disabled then there was a PCI-disconnect and
3890 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3891 	 * resources.
3892 	 */
3893 	if (!atomic_read(&pdev->enable_cnt)) {
3894 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3895 		    base_vha->gnl.l, base_vha->gnl.ldma);
3896 		base_vha->gnl.l = NULL;
3897 		scsi_host_put(base_vha->host);
3898 		kfree(ha);
3899 		pci_set_drvdata(pdev, NULL);
3900 		return;
3901 	}
3902 	qla2x00_wait_for_hba_ready(base_vha);
3903 
3904 	/*
3905 	 * if UNLOADING flag is already set, then continue unload,
3906 	 * where it was set first.
3907 	 */
3908 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3909 		return;
3910 
3911 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3912 	    IS_QLA28XX(ha)) {
3913 		if (ha->flags.fw_started)
3914 			qla2x00_abort_isp_cleanup(base_vha);
3915 	} else if (!IS_QLAFX00(ha)) {
3916 		if (IS_QLA8031(ha)) {
3917 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3918 			    "Clearing fcoe driver presence.\n");
3919 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3920 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3921 				    "Error while clearing DRV-Presence.\n");
3922 		}
3923 
3924 		qla2x00_try_to_stop_firmware(base_vha);
3925 	}
3926 
3927 	qla2x00_wait_for_sess_deletion(base_vha);
3928 
3929 	qla_nvme_delete(base_vha);
3930 
3931 	dma_free_coherent(&ha->pdev->dev,
3932 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3933 
3934 	base_vha->gnl.l = NULL;
3935 	qla_enode_stop(base_vha);
3936 	qla_edb_stop(base_vha);
3937 
3938 	vfree(base_vha->scan.l);
3939 
3940 	if (IS_QLAFX00(ha))
3941 		qlafx00_driver_shutdown(base_vha, 20);
3942 
3943 	qla2x00_delete_all_vps(ha, base_vha);
3944 
3945 	qla2x00_dfs_remove(base_vha);
3946 
3947 	qla84xx_put_chip(base_vha);
3948 
3949 	/* Disable timer */
3950 	if (base_vha->timer_active)
3951 		qla2x00_stop_timer(base_vha);
3952 
3953 	base_vha->flags.online = 0;
3954 
3955 	/* free DMA memory */
3956 	if (ha->exlogin_buf)
3957 		qla2x00_free_exlogin_buffer(ha);
3958 
3959 	/* free DMA memory */
3960 	if (ha->exchoffld_buf)
3961 		qla2x00_free_exchoffld_buffer(ha);
3962 
3963 	qla2x00_destroy_deferred_work(ha);
3964 
3965 	qlt_remove_target(ha, base_vha);
3966 
3967 	qla2x00_free_sysfs_attr(base_vha, true);
3968 
3969 	fc_remove_host(base_vha->host);
3970 
3971 	scsi_remove_host(base_vha->host);
3972 
3973 	qla2x00_free_device(base_vha);
3974 
3975 	qla2x00_clear_drv_active(ha);
3976 
3977 	scsi_host_put(base_vha->host);
3978 
3979 	qla2x00_unmap_iobases(ha);
3980 
3981 	pci_release_selected_regions(ha->pdev, ha->bars);
3982 	kfree(ha);
3983 
3984 	pci_disable_device(pdev);
3985 }
3986 
3987 static inline void
3988 qla24xx_free_purex_list(struct purex_list *list)
3989 {
3990 	struct purex_item *item, *next;
3991 	ulong flags;
3992 
3993 	spin_lock_irqsave(&list->lock, flags);
3994 	list_for_each_entry_safe(item, next, &list->head, list) {
3995 		list_del(&item->list);
3996 		if (item == &item->vha->default_item)
3997 			continue;
3998 		kfree(item);
3999 	}
4000 	spin_unlock_irqrestore(&list->lock, flags);
4001 }
4002 
4003 static void
4004 qla2x00_free_device(scsi_qla_host_t *vha)
4005 {
4006 	struct qla_hw_data *ha = vha->hw;
4007 
4008 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4009 
4010 	/* Disable timer */
4011 	if (vha->timer_active)
4012 		qla2x00_stop_timer(vha);
4013 
4014 	qla25xx_delete_queues(vha);
4015 	vha->flags.online = 0;
4016 
4017 	/* turn-off interrupts on the card */
4018 	if (ha->interrupts_on) {
4019 		vha->flags.init_done = 0;
4020 		ha->isp_ops->disable_intrs(ha);
4021 	}
4022 
4023 	qla2x00_free_fcports(vha);
4024 
4025 	qla2x00_free_irqs(vha);
4026 
4027 	/* Flush the work queue and remove it */
4028 	if (ha->wq) {
4029 		destroy_workqueue(ha->wq);
4030 		ha->wq = NULL;
4031 	}
4032 
4033 
4034 	qla24xx_free_purex_list(&vha->purex_list);
4035 
4036 	qla2x00_mem_free(ha);
4037 
4038 	qla82xx_md_free(vha);
4039 
4040 	qla_edif_sadb_release_free_pool(ha);
4041 	qla_edif_sadb_release(ha);
4042 
4043 	qla2x00_free_queues(ha);
4044 }
4045 
4046 void qla2x00_free_fcports(struct scsi_qla_host *vha)
4047 {
4048 	fc_port_t *fcport, *tfcport;
4049 
4050 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4051 		qla2x00_free_fcport(fcport);
4052 }
4053 
4054 static inline void
4055 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4056 {
4057 	int now;
4058 
4059 	if (!fcport->rport)
4060 		return;
4061 
4062 	if (fcport->rport) {
4063 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4064 		    "%s %8phN. rport %p roles %x\n",
4065 		    __func__, fcport->port_name, fcport->rport,
4066 		    fcport->rport->roles);
4067 		fc_remote_port_delete(fcport->rport);
4068 	}
4069 	qlt_do_generation_tick(vha, &now);
4070 }
4071 
4072 /*
4073  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4074  *
4075  * Input: ha = adapter block pointer.  fcport = port structure pointer.
4076  *
4077  * Return: None.
4078  *
4079  * Context:
4080  */
4081 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4082     int do_login)
4083 {
4084 	if (IS_QLAFX00(vha->hw)) {
4085 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4086 		qla2x00_schedule_rport_del(vha, fcport);
4087 		return;
4088 	}
4089 
4090 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4091 	    vha->vp_idx == fcport->vha->vp_idx) {
4092 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4093 		qla2x00_schedule_rport_del(vha, fcport);
4094 	}
4095 
4096 	/*
4097 	 * We may need to retry the login, so don't change the state of the
4098 	 * port but do the retries.
4099 	 */
4100 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4101 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4102 
4103 	if (!do_login)
4104 		return;
4105 
4106 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4107 }
4108 
4109 void
4110 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4111 {
4112 	fc_port_t *fcport;
4113 
4114 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4115 	    "Mark all dev lost\n");
4116 
4117 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4118 		if (ql2xfc2target &&
4119 		    fcport->loop_id != FC_NO_LOOP_ID &&
4120 		    (fcport->flags & FCF_FCP2_DEVICE) &&
4121 		    fcport->port_type == FCT_TARGET &&
4122 		    !qla2x00_reset_active(vha)) {
4123 			ql_dbg(ql_dbg_disc, vha, 0x211a,
4124 			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4125 			       fcport->flags, fcport->port_type,
4126 			       fcport->d_id.b24, fcport->port_name);
4127 			continue;
4128 		}
4129 		fcport->scan_state = 0;
4130 		qlt_schedule_sess_for_deletion(fcport);
4131 	}
4132 }
4133 
4134 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4135 {
4136 	int i;
4137 
4138 	if (IS_FWI2_CAPABLE(ha))
4139 		return;
4140 
4141 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4142 		set_bit(i, ha->loop_id_map);
4143 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4144 	set_bit(BROADCAST, ha->loop_id_map);
4145 }
4146 
4147 /*
4148 * qla2x00_mem_alloc
4149 *      Allocates adapter memory.
4150 *
4151 * Returns:
4152 *      0  = success.
4153 *      !0  = failure.
4154 */
4155 static int
4156 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4157 	struct req_que **req, struct rsp_que **rsp)
4158 {
4159 	char	name[16];
4160 	int rc;
4161 
4162 	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
4163 		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
4164 		if (!ha->vp_map)
4165 			goto fail;
4166 	}
4167 
4168 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4169 		&ha->init_cb_dma, GFP_KERNEL);
4170 	if (!ha->init_cb)
4171 		goto fail_free_vp_map;
4172 
4173 	rc = btree_init32(&ha->host_map);
4174 	if (rc)
4175 		goto fail_free_init_cb;
4176 
4177 	if (qlt_mem_alloc(ha) < 0)
4178 		goto fail_free_btree;
4179 
4180 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4181 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4182 	if (!ha->gid_list)
4183 		goto fail_free_tgt_mem;
4184 
4185 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4186 	if (!ha->srb_mempool)
4187 		goto fail_free_gid_list;
4188 
4189 	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4190 		/* Allocate cache for CT6 Ctx. */
4191 		if (!ctx_cachep) {
4192 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4193 				sizeof(struct ct6_dsd), 0,
4194 				SLAB_HWCACHE_ALIGN, NULL);
4195 			if (!ctx_cachep)
4196 				goto fail_free_srb_mempool;
4197 		}
4198 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4199 			ctx_cachep);
4200 		if (!ha->ctx_mempool)
4201 			goto fail_free_srb_mempool;
4202 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4203 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4204 		    ctx_cachep, ha->ctx_mempool);
4205 	}
4206 
4207 	/* Get memory for cached NVRAM */
4208 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4209 	if (!ha->nvram)
4210 		goto fail_free_ctx_mempool;
4211 
4212 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4213 		ha->pdev->device);
4214 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4215 		DMA_POOL_SIZE, 8, 0);
4216 	if (!ha->s_dma_pool)
4217 		goto fail_free_nvram;
4218 
4219 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4220 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4221 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4222 
4223 	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4224 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4225 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4226 		if (!ha->dl_dma_pool) {
4227 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4228 			    "Failed to allocate memory for dl_dma_pool.\n");
4229 			goto fail_s_dma_pool;
4230 		}
4231 
4232 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4233 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4234 		if (!ha->fcp_cmnd_dma_pool) {
4235 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4236 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4237 			goto fail_dl_dma_pool;
4238 		}
4239 
4240 		if (ql2xenabledif) {
4241 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4242 			struct dsd_dma *dsd, *nxt;
4243 			uint i;
4244 			/* Creata a DMA pool of buffers for DIF bundling */
4245 			ha->dif_bundl_pool = dma_pool_create(name,
4246 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4247 			if (!ha->dif_bundl_pool) {
4248 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4249 				    "%s: failed create dif_bundl_pool\n",
4250 				    __func__);
4251 				goto fail_dif_bundl_dma_pool;
4252 			}
4253 
4254 			INIT_LIST_HEAD(&ha->pool.good.head);
4255 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4256 			ha->pool.good.count = 0;
4257 			ha->pool.unusable.count = 0;
4258 			for (i = 0; i < 128; i++) {
4259 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4260 				if (!dsd) {
4261 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4262 					    0xe0ee, "%s: failed alloc dsd\n",
4263 					    __func__);
4264 					return -ENOMEM;
4265 				}
4266 				ha->dif_bundle_kallocs++;
4267 
4268 				dsd->dsd_addr = dma_pool_alloc(
4269 				    ha->dif_bundl_pool, GFP_ATOMIC,
4270 				    &dsd->dsd_list_dma);
4271 				if (!dsd->dsd_addr) {
4272 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4273 					    0xe0ee,
4274 					    "%s: failed alloc ->dsd_addr\n",
4275 					    __func__);
4276 					kfree(dsd);
4277 					ha->dif_bundle_kallocs--;
4278 					continue;
4279 				}
4280 				ha->dif_bundle_dma_allocs++;
4281 
4282 				/*
4283 				 * if DMA buffer crosses 4G boundary,
4284 				 * put it on bad list
4285 				 */
4286 				if (MSD(dsd->dsd_list_dma) ^
4287 				    MSD(dsd->dsd_list_dma + bufsize)) {
4288 					list_add_tail(&dsd->list,
4289 					    &ha->pool.unusable.head);
4290 					ha->pool.unusable.count++;
4291 				} else {
4292 					list_add_tail(&dsd->list,
4293 					    &ha->pool.good.head);
4294 					ha->pool.good.count++;
4295 				}
4296 			}
4297 
4298 			/* return the good ones back to the pool */
4299 			list_for_each_entry_safe(dsd, nxt,
4300 			    &ha->pool.good.head, list) {
4301 				list_del(&dsd->list);
4302 				dma_pool_free(ha->dif_bundl_pool,
4303 				    dsd->dsd_addr, dsd->dsd_list_dma);
4304 				ha->dif_bundle_dma_allocs--;
4305 				kfree(dsd);
4306 				ha->dif_bundle_kallocs--;
4307 			}
4308 
4309 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4310 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4311 			    __func__, ha->pool.good.count,
4312 			    ha->pool.unusable.count);
4313 		}
4314 
4315 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4316 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4317 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4318 		    ha->dif_bundl_pool);
4319 	}
4320 
4321 	/* Allocate memory for SNS commands */
4322 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4323 	/* Get consistent memory allocated for SNS commands */
4324 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4325 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4326 		if (!ha->sns_cmd)
4327 			goto fail_dma_pool;
4328 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4329 		    "sns_cmd: %p.\n", ha->sns_cmd);
4330 	} else {
4331 	/* Get consistent memory allocated for MS IOCB */
4332 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4333 			&ha->ms_iocb_dma);
4334 		if (!ha->ms_iocb)
4335 			goto fail_dma_pool;
4336 	/* Get consistent memory allocated for CT SNS commands */
4337 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4338 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4339 		if (!ha->ct_sns)
4340 			goto fail_free_ms_iocb;
4341 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4342 		    "ms_iocb=%p ct_sns=%p.\n",
4343 		    ha->ms_iocb, ha->ct_sns);
4344 	}
4345 
4346 	/* Allocate memory for request ring */
4347 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4348 	if (!*req) {
4349 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4350 		    "Failed to allocate memory for req.\n");
4351 		goto fail_req;
4352 	}
4353 	(*req)->length = req_len;
4354 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4355 		((*req)->length + 1) * sizeof(request_t),
4356 		&(*req)->dma, GFP_KERNEL);
4357 	if (!(*req)->ring) {
4358 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4359 		    "Failed to allocate memory for req_ring.\n");
4360 		goto fail_req_ring;
4361 	}
4362 	/* Allocate memory for response ring */
4363 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4364 	if (!*rsp) {
4365 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4366 		    "Failed to allocate memory for rsp.\n");
4367 		goto fail_rsp;
4368 	}
4369 	(*rsp)->hw = ha;
4370 	(*rsp)->length = rsp_len;
4371 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4372 		((*rsp)->length + 1) * sizeof(response_t),
4373 		&(*rsp)->dma, GFP_KERNEL);
4374 	if (!(*rsp)->ring) {
4375 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4376 		    "Failed to allocate memory for rsp_ring.\n");
4377 		goto fail_rsp_ring;
4378 	}
4379 	(*req)->rsp = *rsp;
4380 	(*rsp)->req = *req;
4381 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4382 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4383 	    "rsp->length=%d rsp->ring=%p.\n",
4384 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4385 	    (*rsp)->ring);
4386 	/* Allocate memory for NVRAM data for vports */
4387 	if (ha->nvram_npiv_size) {
4388 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4389 					sizeof(struct qla_npiv_entry),
4390 					GFP_KERNEL);
4391 		if (!ha->npiv_info) {
4392 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4393 			    "Failed to allocate memory for npiv_info.\n");
4394 			goto fail_npiv_info;
4395 		}
4396 	} else
4397 		ha->npiv_info = NULL;
4398 
4399 	/* Get consistent memory allocated for EX-INIT-CB. */
4400 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4401 	    IS_QLA28XX(ha)) {
4402 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4403 		    &ha->ex_init_cb_dma);
4404 		if (!ha->ex_init_cb)
4405 			goto fail_ex_init_cb;
4406 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4407 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4408 	}
4409 
4410 	/* Get consistent memory allocated for Special Features-CB. */
4411 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4412 		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4413 						&ha->sf_init_cb_dma);
4414 		if (!ha->sf_init_cb)
4415 			goto fail_sf_init_cb;
4416 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4417 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4418 	}
4419 
4420 
4421 	/* Get consistent memory allocated for Async Port-Database. */
4422 	if (!IS_FWI2_CAPABLE(ha)) {
4423 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4424 			&ha->async_pd_dma);
4425 		if (!ha->async_pd)
4426 			goto fail_async_pd;
4427 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4428 		    "async_pd=%p.\n", ha->async_pd);
4429 	}
4430 
4431 	INIT_LIST_HEAD(&ha->vp_list);
4432 
4433 	/* Allocate memory for our loop_id bitmap */
4434 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4435 				  sizeof(long),
4436 				  GFP_KERNEL);
4437 	if (!ha->loop_id_map)
4438 		goto fail_loop_id_map;
4439 	else {
4440 		qla2x00_set_reserved_loop_ids(ha);
4441 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4442 		    "loop_id_map=%p.\n", ha->loop_id_map);
4443 	}
4444 
4445 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4446 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4447 	if (!ha->sfp_data) {
4448 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4449 		    "Unable to allocate memory for SFP read-data.\n");
4450 		goto fail_sfp_data;
4451 	}
4452 
4453 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4454 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4455 	    GFP_KERNEL);
4456 	if (!ha->flt) {
4457 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4458 		    "Unable to allocate memory for FLT.\n");
4459 		goto fail_flt_buffer;
4460 	}
4461 
4462 	/* allocate the purex dma pool */
4463 	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4464 	    ELS_MAX_PAYLOAD, 8, 0);
4465 
4466 	if (!ha->purex_dma_pool) {
4467 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4468 		    "Unable to allocate purex_dma_pool.\n");
4469 		goto fail_flt;
4470 	}
4471 
4472 	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4473 	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4474 					  ha->elsrej.size,
4475 					  &ha->elsrej.cdma,
4476 					  GFP_KERNEL);
4477 	if (!ha->elsrej.c) {
4478 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4479 		    "Alloc failed for els reject cmd.\n");
4480 		goto fail_elsrej;
4481 	}
4482 	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4483 	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4484 	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4485 
4486 	ha->lsrjt.size = sizeof(struct fcnvme_ls_rjt);
4487 	ha->lsrjt.c = dma_alloc_coherent(&ha->pdev->dev, ha->lsrjt.size,
4488 			&ha->lsrjt.cdma, GFP_KERNEL);
4489 	if (!ha->lsrjt.c) {
4490 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4491 			   "Alloc failed for nvme fc reject cmd.\n");
4492 		goto fail_lsrjt;
4493 	}
4494 
4495 	return 0;
4496 
4497 fail_lsrjt:
4498 	dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4499 			  ha->elsrej.c, ha->elsrej.cdma);
4500 fail_elsrej:
4501 	dma_pool_destroy(ha->purex_dma_pool);
4502 fail_flt:
4503 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4504 	    ha->flt, ha->flt_dma);
4505 
4506 fail_flt_buffer:
4507 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4508 	    ha->sfp_data, ha->sfp_data_dma);
4509 fail_sfp_data:
4510 	kfree(ha->loop_id_map);
4511 fail_loop_id_map:
4512 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4513 fail_async_pd:
4514 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4515 fail_sf_init_cb:
4516 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4517 fail_ex_init_cb:
4518 	kfree(ha->npiv_info);
4519 fail_npiv_info:
4520 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4521 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4522 	(*rsp)->ring = NULL;
4523 	(*rsp)->dma = 0;
4524 fail_rsp_ring:
4525 	kfree(*rsp);
4526 	*rsp = NULL;
4527 fail_rsp:
4528 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4529 		sizeof(request_t), (*req)->ring, (*req)->dma);
4530 	(*req)->ring = NULL;
4531 	(*req)->dma = 0;
4532 fail_req_ring:
4533 	kfree(*req);
4534 	*req = NULL;
4535 fail_req:
4536 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4537 		ha->ct_sns, ha->ct_sns_dma);
4538 	ha->ct_sns = NULL;
4539 	ha->ct_sns_dma = 0;
4540 fail_free_ms_iocb:
4541 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4542 	ha->ms_iocb = NULL;
4543 	ha->ms_iocb_dma = 0;
4544 
4545 	if (ha->sns_cmd)
4546 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4547 		    ha->sns_cmd, ha->sns_cmd_dma);
4548 fail_dma_pool:
4549 	if (ql2xenabledif) {
4550 		struct dsd_dma *dsd, *nxt;
4551 
4552 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4553 		    list) {
4554 			list_del(&dsd->list);
4555 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4556 			    dsd->dsd_list_dma);
4557 			ha->dif_bundle_dma_allocs--;
4558 			kfree(dsd);
4559 			ha->dif_bundle_kallocs--;
4560 			ha->pool.unusable.count--;
4561 		}
4562 		dma_pool_destroy(ha->dif_bundl_pool);
4563 		ha->dif_bundl_pool = NULL;
4564 	}
4565 
4566 fail_dif_bundl_dma_pool:
4567 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4568 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4569 		ha->fcp_cmnd_dma_pool = NULL;
4570 	}
4571 fail_dl_dma_pool:
4572 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4573 		dma_pool_destroy(ha->dl_dma_pool);
4574 		ha->dl_dma_pool = NULL;
4575 	}
4576 fail_s_dma_pool:
4577 	dma_pool_destroy(ha->s_dma_pool);
4578 	ha->s_dma_pool = NULL;
4579 fail_free_nvram:
4580 	kfree(ha->nvram);
4581 	ha->nvram = NULL;
4582 fail_free_ctx_mempool:
4583 	mempool_destroy(ha->ctx_mempool);
4584 	ha->ctx_mempool = NULL;
4585 fail_free_srb_mempool:
4586 	mempool_destroy(ha->srb_mempool);
4587 	ha->srb_mempool = NULL;
4588 fail_free_gid_list:
4589 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4590 	ha->gid_list,
4591 	ha->gid_list_dma);
4592 	ha->gid_list = NULL;
4593 	ha->gid_list_dma = 0;
4594 fail_free_tgt_mem:
4595 	qlt_mem_free(ha);
4596 fail_free_btree:
4597 	btree_destroy32(&ha->host_map);
4598 fail_free_init_cb:
4599 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4600 	ha->init_cb_dma);
4601 	ha->init_cb = NULL;
4602 	ha->init_cb_dma = 0;
4603 fail_free_vp_map:
4604 	kfree(ha->vp_map);
4605 	ha->vp_map = NULL;
4606 fail:
4607 	ql_log(ql_log_fatal, NULL, 0x0030,
4608 	    "Memory allocation failure.\n");
4609 	return -ENOMEM;
4610 }
4611 
4612 int
4613 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4614 {
4615 	int rval;
4616 	uint16_t	size, max_cnt;
4617 	uint32_t temp;
4618 	struct qla_hw_data *ha = vha->hw;
4619 
4620 	/* Return if we don't need to alloacate any extended logins */
4621 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4622 		return QLA_SUCCESS;
4623 
4624 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4625 		return QLA_SUCCESS;
4626 
4627 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4628 	max_cnt = 0;
4629 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4630 	if (rval != QLA_SUCCESS) {
4631 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4632 		    "Failed to get exlogin status.\n");
4633 		return rval;
4634 	}
4635 
4636 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4637 	temp *= size;
4638 
4639 	if (temp != ha->exlogin_size) {
4640 		qla2x00_free_exlogin_buffer(ha);
4641 		ha->exlogin_size = temp;
4642 
4643 		ql_log(ql_log_info, vha, 0xd024,
4644 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4645 		    max_cnt, size, temp);
4646 
4647 		ql_log(ql_log_info, vha, 0xd025,
4648 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4649 
4650 		/* Get consistent memory for extended logins */
4651 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4652 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4653 		if (!ha->exlogin_buf) {
4654 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4655 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4656 			return -ENOMEM;
4657 		}
4658 	}
4659 
4660 	/* Now configure the dma buffer */
4661 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4662 	if (rval) {
4663 		ql_log(ql_log_fatal, vha, 0xd033,
4664 		    "Setup extended login buffer  ****FAILED****.\n");
4665 		qla2x00_free_exlogin_buffer(ha);
4666 	}
4667 
4668 	return rval;
4669 }
4670 
4671 /*
4672 * qla2x00_free_exlogin_buffer
4673 *
4674 * Input:
4675 *	ha = adapter block pointer
4676 */
4677 void
4678 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4679 {
4680 	if (ha->exlogin_buf) {
4681 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4682 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4683 		ha->exlogin_buf = NULL;
4684 		ha->exlogin_size = 0;
4685 	}
4686 }
4687 
4688 static void
4689 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4690 {
4691 	u32 temp;
4692 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4693 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4694 
4695 	if (max_cnt > vha->hw->max_exchg)
4696 		max_cnt = vha->hw->max_exchg;
4697 
4698 	if (qla_ini_mode_enabled(vha)) {
4699 		if (vha->ql2xiniexchg > max_cnt)
4700 			vha->ql2xiniexchg = max_cnt;
4701 
4702 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4703 			*ret_cnt = vha->ql2xiniexchg;
4704 
4705 	} else if (qla_tgt_mode_enabled(vha)) {
4706 		if (vha->ql2xexchoffld > max_cnt) {
4707 			vha->ql2xexchoffld = max_cnt;
4708 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4709 		}
4710 
4711 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4712 			*ret_cnt = vha->ql2xexchoffld;
4713 	} else if (qla_dual_mode_enabled(vha)) {
4714 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4715 		if (temp > max_cnt) {
4716 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4717 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4718 			temp = max_cnt;
4719 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4720 		}
4721 
4722 		if (temp > FW_DEF_EXCHANGES_CNT)
4723 			*ret_cnt = temp;
4724 	}
4725 }
4726 
4727 int
4728 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4729 {
4730 	int rval;
4731 	u16	size, max_cnt;
4732 	u32 actual_cnt, totsz;
4733 	struct qla_hw_data *ha = vha->hw;
4734 
4735 	if (!ha->flags.exchoffld_enabled)
4736 		return QLA_SUCCESS;
4737 
4738 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4739 		return QLA_SUCCESS;
4740 
4741 	max_cnt = 0;
4742 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4743 	if (rval != QLA_SUCCESS) {
4744 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4745 		    "Failed to get exlogin status.\n");
4746 		return rval;
4747 	}
4748 
4749 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4750 	ql_log(ql_log_info, vha, 0xd014,
4751 	    "Actual exchange offload count: %d.\n", actual_cnt);
4752 
4753 	totsz = actual_cnt * size;
4754 
4755 	if (totsz != ha->exchoffld_size) {
4756 		qla2x00_free_exchoffld_buffer(ha);
4757 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4758 			ha->exchoffld_size = 0;
4759 			ha->flags.exchoffld_enabled = 0;
4760 			return QLA_SUCCESS;
4761 		}
4762 
4763 		ha->exchoffld_size = totsz;
4764 
4765 		ql_log(ql_log_info, vha, 0xd016,
4766 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4767 		    max_cnt, actual_cnt, size, totsz);
4768 
4769 		ql_log(ql_log_info, vha, 0xd017,
4770 		    "Exchange Buffers requested size = 0x%x\n",
4771 		    ha->exchoffld_size);
4772 
4773 		/* Get consistent memory for extended logins */
4774 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4775 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4776 		if (!ha->exchoffld_buf) {
4777 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4778 			"Failed to allocate memory for Exchange Offload.\n");
4779 
4780 			if (ha->max_exchg >
4781 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4782 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4783 			} else if (ha->max_exchg >
4784 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4785 				ha->max_exchg -= 512;
4786 			} else {
4787 				ha->flags.exchoffld_enabled = 0;
4788 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4789 				    "Disabling Exchange offload due to lack of memory\n");
4790 			}
4791 			ha->exchoffld_size = 0;
4792 
4793 			return -ENOMEM;
4794 		}
4795 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4796 		/* pathological case */
4797 		qla2x00_free_exchoffld_buffer(ha);
4798 		ha->exchoffld_size = 0;
4799 		ha->flags.exchoffld_enabled = 0;
4800 		ql_log(ql_log_info, vha, 0xd016,
4801 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4802 		    ha->exchoffld_size, actual_cnt, size, totsz);
4803 		return 0;
4804 	}
4805 
4806 	/* Now configure the dma buffer */
4807 	rval = qla_set_exchoffld_mem_cfg(vha);
4808 	if (rval) {
4809 		ql_log(ql_log_fatal, vha, 0xd02e,
4810 		    "Setup exchange offload buffer ****FAILED****.\n");
4811 		qla2x00_free_exchoffld_buffer(ha);
4812 	} else {
4813 		/* re-adjust number of target exchange */
4814 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4815 
4816 		if (qla_ini_mode_enabled(vha))
4817 			icb->exchange_count = 0;
4818 		else
4819 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4820 	}
4821 
4822 	return rval;
4823 }
4824 
4825 /*
4826 * qla2x00_free_exchoffld_buffer
4827 *
4828 * Input:
4829 *	ha = adapter block pointer
4830 */
4831 void
4832 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4833 {
4834 	if (ha->exchoffld_buf) {
4835 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4836 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4837 		ha->exchoffld_buf = NULL;
4838 		ha->exchoffld_size = 0;
4839 	}
4840 }
4841 
4842 /*
4843 * qla2x00_free_fw_dump
4844 *	Frees fw dump stuff.
4845 *
4846 * Input:
4847 *	ha = adapter block pointer
4848 */
4849 static void
4850 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4851 {
4852 	struct fwdt *fwdt = ha->fwdt;
4853 	uint j;
4854 
4855 	if (ha->fce)
4856 		dma_free_coherent(&ha->pdev->dev,
4857 		    FCE_SIZE, ha->fce, ha->fce_dma);
4858 
4859 	if (ha->eft)
4860 		dma_free_coherent(&ha->pdev->dev,
4861 		    EFT_SIZE, ha->eft, ha->eft_dma);
4862 
4863 	vfree(ha->fw_dump);
4864 
4865 	ha->fce = NULL;
4866 	ha->fce_dma = 0;
4867 	ha->flags.fce_enabled = 0;
4868 	ha->eft = NULL;
4869 	ha->eft_dma = 0;
4870 	ha->fw_dumped = false;
4871 	ha->fw_dump_cap_flags = 0;
4872 	ha->fw_dump_reading = 0;
4873 	ha->fw_dump = NULL;
4874 	ha->fw_dump_len = 0;
4875 
4876 	for (j = 0; j < 2; j++, fwdt++) {
4877 		vfree(fwdt->template);
4878 		fwdt->template = NULL;
4879 		fwdt->length = 0;
4880 	}
4881 }
4882 
4883 /*
4884 * qla2x00_mem_free
4885 *      Frees all adapter allocated memory.
4886 *
4887 * Input:
4888 *      ha = adapter block pointer.
4889 */
4890 static void
4891 qla2x00_mem_free(struct qla_hw_data *ha)
4892 {
4893 	qla2x00_free_fw_dump(ha);
4894 
4895 	if (ha->mctp_dump)
4896 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4897 		    ha->mctp_dump_dma);
4898 	ha->mctp_dump = NULL;
4899 
4900 	mempool_destroy(ha->srb_mempool);
4901 	ha->srb_mempool = NULL;
4902 
4903 	if (ha->dcbx_tlv)
4904 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4905 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4906 	ha->dcbx_tlv = NULL;
4907 
4908 	if (ha->xgmac_data)
4909 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4910 		    ha->xgmac_data, ha->xgmac_data_dma);
4911 	ha->xgmac_data = NULL;
4912 
4913 	if (ha->sns_cmd)
4914 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4915 		ha->sns_cmd, ha->sns_cmd_dma);
4916 	ha->sns_cmd = NULL;
4917 	ha->sns_cmd_dma = 0;
4918 
4919 	if (ha->ct_sns)
4920 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4921 		ha->ct_sns, ha->ct_sns_dma);
4922 	ha->ct_sns = NULL;
4923 	ha->ct_sns_dma = 0;
4924 
4925 	if (ha->sfp_data)
4926 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4927 		    ha->sfp_data_dma);
4928 	ha->sfp_data = NULL;
4929 
4930 	if (ha->flt)
4931 		dma_free_coherent(&ha->pdev->dev,
4932 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4933 		    ha->flt, ha->flt_dma);
4934 	ha->flt = NULL;
4935 	ha->flt_dma = 0;
4936 
4937 	if (ha->ms_iocb)
4938 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4939 	ha->ms_iocb = NULL;
4940 	ha->ms_iocb_dma = 0;
4941 
4942 	if (ha->sf_init_cb)
4943 		dma_pool_free(ha->s_dma_pool,
4944 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4945 
4946 	if (ha->ex_init_cb)
4947 		dma_pool_free(ha->s_dma_pool,
4948 			ha->ex_init_cb, ha->ex_init_cb_dma);
4949 	ha->ex_init_cb = NULL;
4950 	ha->ex_init_cb_dma = 0;
4951 
4952 	if (ha->async_pd)
4953 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4954 	ha->async_pd = NULL;
4955 	ha->async_pd_dma = 0;
4956 
4957 	dma_pool_destroy(ha->s_dma_pool);
4958 	ha->s_dma_pool = NULL;
4959 
4960 	if (ha->gid_list)
4961 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4962 		ha->gid_list, ha->gid_list_dma);
4963 	ha->gid_list = NULL;
4964 	ha->gid_list_dma = 0;
4965 
4966 	if (ha->base_qpair && !list_empty(&ha->base_qpair->dsd_list)) {
4967 		struct dsd_dma *dsd_ptr, *tdsd_ptr;
4968 
4969 		/* clean up allocated prev pool */
4970 		list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
4971 					 &ha->base_qpair->dsd_list, list) {
4972 			dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
4973 				      dsd_ptr->dsd_list_dma);
4974 			list_del(&dsd_ptr->list);
4975 			kfree(dsd_ptr);
4976 		}
4977 	}
4978 
4979 	dma_pool_destroy(ha->dl_dma_pool);
4980 	ha->dl_dma_pool = NULL;
4981 
4982 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4983 	ha->fcp_cmnd_dma_pool = NULL;
4984 
4985 	mempool_destroy(ha->ctx_mempool);
4986 	ha->ctx_mempool = NULL;
4987 
4988 	if (ql2xenabledif && ha->dif_bundl_pool) {
4989 		struct dsd_dma *dsd, *nxt;
4990 
4991 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4992 					 list) {
4993 			list_del(&dsd->list);
4994 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4995 				      dsd->dsd_list_dma);
4996 			ha->dif_bundle_dma_allocs--;
4997 			kfree(dsd);
4998 			ha->dif_bundle_kallocs--;
4999 			ha->pool.unusable.count--;
5000 		}
5001 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
5002 			list_del(&dsd->list);
5003 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
5004 				      dsd->dsd_list_dma);
5005 			ha->dif_bundle_dma_allocs--;
5006 			kfree(dsd);
5007 			ha->dif_bundle_kallocs--;
5008 		}
5009 	}
5010 
5011 	dma_pool_destroy(ha->dif_bundl_pool);
5012 	ha->dif_bundl_pool = NULL;
5013 
5014 	qlt_mem_free(ha);
5015 	qla_remove_hostmap(ha);
5016 
5017 	if (ha->init_cb)
5018 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
5019 			ha->init_cb, ha->init_cb_dma);
5020 
5021 	dma_pool_destroy(ha->purex_dma_pool);
5022 	ha->purex_dma_pool = NULL;
5023 
5024 	if (ha->elsrej.c) {
5025 		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
5026 		    ha->elsrej.c, ha->elsrej.cdma);
5027 		ha->elsrej.c = NULL;
5028 	}
5029 
5030 	if (ha->lsrjt.c) {
5031 		dma_free_coherent(&ha->pdev->dev, ha->lsrjt.size, ha->lsrjt.c,
5032 				  ha->lsrjt.cdma);
5033 		ha->lsrjt.c = NULL;
5034 	}
5035 
5036 	ha->init_cb = NULL;
5037 	ha->init_cb_dma = 0;
5038 
5039 	vfree(ha->optrom_buffer);
5040 	ha->optrom_buffer = NULL;
5041 	kfree(ha->nvram);
5042 	ha->nvram = NULL;
5043 	kfree(ha->npiv_info);
5044 	ha->npiv_info = NULL;
5045 	kfree(ha->swl);
5046 	ha->swl = NULL;
5047 	kfree(ha->loop_id_map);
5048 	ha->sf_init_cb = NULL;
5049 	ha->sf_init_cb_dma = 0;
5050 	ha->loop_id_map = NULL;
5051 
5052 	kfree(ha->vp_map);
5053 	ha->vp_map = NULL;
5054 }
5055 
5056 struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *sht,
5057 					  struct qla_hw_data *ha)
5058 {
5059 	struct Scsi_Host *host;
5060 	struct scsi_qla_host *vha = NULL;
5061 
5062 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
5063 	if (!host) {
5064 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
5065 		    "Failed to allocate host from the scsi layer, aborting.\n");
5066 		return NULL;
5067 	}
5068 
5069 	/* Clear our data area */
5070 	vha = shost_priv(host);
5071 	memset(vha, 0, sizeof(scsi_qla_host_t));
5072 
5073 	vha->host = host;
5074 	vha->host_no = host->host_no;
5075 	vha->hw = ha;
5076 
5077 	vha->qlini_mode = ql2x_ini_mode;
5078 	vha->ql2xexchoffld = ql2xexchoffld;
5079 	vha->ql2xiniexchg = ql2xiniexchg;
5080 
5081 	INIT_LIST_HEAD(&vha->vp_fcports);
5082 	INIT_LIST_HEAD(&vha->work_list);
5083 	INIT_LIST_HEAD(&vha->list);
5084 	INIT_LIST_HEAD(&vha->qla_cmd_list);
5085 	INIT_LIST_HEAD(&vha->logo_list);
5086 	INIT_LIST_HEAD(&vha->plogi_ack_list);
5087 	INIT_LIST_HEAD(&vha->qp_list);
5088 	INIT_LIST_HEAD(&vha->gnl.fcports);
5089 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5090 
5091 	INIT_LIST_HEAD(&vha->purex_list.head);
5092 	spin_lock_init(&vha->purex_list.lock);
5093 
5094 	spin_lock_init(&vha->work_lock);
5095 	spin_lock_init(&vha->cmd_list_lock);
5096 	init_waitqueue_head(&vha->fcport_waitQ);
5097 	init_waitqueue_head(&vha->vref_waitq);
5098 	qla_enode_init(vha);
5099 	qla_edb_init(vha);
5100 
5101 
5102 	vha->gnl.size = sizeof(struct get_name_list_extended) *
5103 			(ha->max_loop_id + 1);
5104 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5105 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5106 	if (!vha->gnl.l) {
5107 		ql_log(ql_log_fatal, vha, 0xd04a,
5108 		    "Alloc failed for name list.\n");
5109 		scsi_host_put(vha->host);
5110 		return NULL;
5111 	}
5112 
5113 	/* todo: what about ext login? */
5114 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5115 	vha->scan.l = vmalloc(vha->scan.size);
5116 	if (!vha->scan.l) {
5117 		ql_log(ql_log_fatal, vha, 0xd04a,
5118 		    "Alloc failed for scan database.\n");
5119 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5120 		    vha->gnl.l, vha->gnl.ldma);
5121 		vha->gnl.l = NULL;
5122 		scsi_host_put(vha->host);
5123 		return NULL;
5124 	}
5125 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5126 
5127 	snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
5128 		 QLA2XXX_DRIVER_NAME, vha->host_no);
5129 	ql_dbg(ql_dbg_init, vha, 0x0041,
5130 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5131 	    vha->host, vha->hw, vha,
5132 	    dev_name(&(ha->pdev->dev)));
5133 
5134 	return vha;
5135 }
5136 
5137 struct qla_work_evt *
5138 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5139 {
5140 	struct qla_work_evt *e;
5141 
5142 	if (test_bit(UNLOADING, &vha->dpc_flags))
5143 		return NULL;
5144 
5145 	if (qla_vha_mark_busy(vha))
5146 		return NULL;
5147 
5148 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5149 	if (!e) {
5150 		QLA_VHA_MARK_NOT_BUSY(vha);
5151 		return NULL;
5152 	}
5153 
5154 	INIT_LIST_HEAD(&e->list);
5155 	e->type = type;
5156 	e->flags = QLA_EVT_FLAG_FREE;
5157 	return e;
5158 }
5159 
5160 int
5161 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5162 {
5163 	unsigned long flags;
5164 	bool q = false;
5165 
5166 	spin_lock_irqsave(&vha->work_lock, flags);
5167 	list_add_tail(&e->list, &vha->work_list);
5168 
5169 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5170 		q = true;
5171 
5172 	spin_unlock_irqrestore(&vha->work_lock, flags);
5173 
5174 	if (q)
5175 		queue_work(vha->hw->wq, &vha->iocb_work);
5176 
5177 	return QLA_SUCCESS;
5178 }
5179 
5180 int
5181 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5182     u32 data)
5183 {
5184 	struct qla_work_evt *e;
5185 
5186 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5187 	if (!e)
5188 		return QLA_FUNCTION_FAILED;
5189 
5190 	e->u.aen.code = code;
5191 	e->u.aen.data = data;
5192 	return qla2x00_post_work(vha, e);
5193 }
5194 
5195 int
5196 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5197 {
5198 	struct qla_work_evt *e;
5199 
5200 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5201 	if (!e)
5202 		return QLA_FUNCTION_FAILED;
5203 
5204 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5205 	return qla2x00_post_work(vha, e);
5206 }
5207 
5208 #define qla2x00_post_async_work(name, type)	\
5209 int qla2x00_post_async_##name##_work(		\
5210     struct scsi_qla_host *vha,			\
5211     fc_port_t *fcport, uint16_t *data)		\
5212 {						\
5213 	struct qla_work_evt *e;			\
5214 						\
5215 	e = qla2x00_alloc_work(vha, type);	\
5216 	if (!e)					\
5217 		return QLA_FUNCTION_FAILED;	\
5218 						\
5219 	e->u.logio.fcport = fcport;		\
5220 	if (data) {				\
5221 		e->u.logio.data[0] = data[0];	\
5222 		e->u.logio.data[1] = data[1];	\
5223 	}					\
5224 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5225 	return qla2x00_post_work(vha, e);	\
5226 }
5227 
5228 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5229 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5230 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5231 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5232 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5233 
5234 int
5235 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5236 {
5237 	struct qla_work_evt *e;
5238 
5239 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5240 	if (!e)
5241 		return QLA_FUNCTION_FAILED;
5242 
5243 	e->u.uevent.code = code;
5244 	return qla2x00_post_work(vha, e);
5245 }
5246 
5247 static void
5248 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5249 {
5250 	char event_string[40];
5251 	char *envp[] = { event_string, NULL };
5252 
5253 	switch (code) {
5254 	case QLA_UEVENT_CODE_FW_DUMP:
5255 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5256 		    vha->host_no);
5257 		break;
5258 	default:
5259 		/* do nothing */
5260 		break;
5261 	}
5262 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5263 }
5264 
5265 int
5266 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5267 			uint32_t *data, int cnt)
5268 {
5269 	struct qla_work_evt *e;
5270 
5271 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5272 	if (!e)
5273 		return QLA_FUNCTION_FAILED;
5274 
5275 	e->u.aenfx.evtcode = evtcode;
5276 	e->u.aenfx.count = cnt;
5277 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5278 	return qla2x00_post_work(vha, e);
5279 }
5280 
5281 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5282 {
5283 	unsigned long flags;
5284 
5285 	if (IS_SW_RESV_ADDR(fcport->d_id))
5286 		return;
5287 
5288 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5289 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5290 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5291 		return;
5292 	}
5293 	fcport->jiffies_at_registration = jiffies;
5294 	fcport->sec_since_registration = 0;
5295 	fcport->next_disc_state = DSC_DELETED;
5296 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5297 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5298 
5299 	queue_work(system_unbound_wq, &fcport->reg_work);
5300 }
5301 
5302 static
5303 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5304 {
5305 	unsigned long flags;
5306 	fc_port_t *fcport =  NULL, *tfcp;
5307 	struct qlt_plogi_ack_t *pla =
5308 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5309 	uint8_t free_fcport = 0;
5310 
5311 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5312 	    "%s %d %8phC enter\n",
5313 	    __func__, __LINE__, e->u.new_sess.port_name);
5314 
5315 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5316 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5317 	if (fcport) {
5318 		fcport->d_id = e->u.new_sess.id;
5319 		if (pla) {
5320 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5321 			memcpy(fcport->node_name,
5322 			    pla->iocb.u.isp24.u.plogi.node_name,
5323 			    WWN_SIZE);
5324 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5325 			/* we took an extra ref_count to prevent PLOGI ACK when
5326 			 * fcport/sess has not been created.
5327 			 */
5328 			pla->ref_count--;
5329 		}
5330 	} else {
5331 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5332 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5333 		if (fcport) {
5334 			fcport->d_id = e->u.new_sess.id;
5335 			fcport->flags |= FCF_FABRIC_DEVICE;
5336 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5337 			fcport->tgt_short_link_down_cnt = 0;
5338 
5339 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5340 			    WWN_SIZE);
5341 
5342 			fcport->fc4_type = e->u.new_sess.fc4_type;
5343 			if (NVME_PRIORITY(vha->hw, fcport))
5344 				fcport->do_prli_nvme = 1;
5345 			else
5346 				fcport->do_prli_nvme = 0;
5347 
5348 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5349 				fcport->dm_login_expire = jiffies +
5350 					QLA_N2N_WAIT_TIME * HZ;
5351 				fcport->fc4_type = FS_FC4TYPE_FCP;
5352 				fcport->n2n_flag = 1;
5353 				if (vha->flags.nvme_enabled)
5354 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5355 			}
5356 
5357 		} else {
5358 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5359 				   "%s %8phC mem alloc fail.\n",
5360 				   __func__, e->u.new_sess.port_name);
5361 
5362 			if (pla) {
5363 				list_del(&pla->list);
5364 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5365 			}
5366 			return;
5367 		}
5368 
5369 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5370 		/* search again to make sure no one else got ahead */
5371 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5372 		    e->u.new_sess.port_name, 1);
5373 		if (tfcp) {
5374 			/* should rarily happen */
5375 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5376 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5377 			    __func__, tfcp->port_name, tfcp->disc_state,
5378 			    tfcp->fw_login_state);
5379 
5380 			free_fcport = 1;
5381 		} else {
5382 			list_add_tail(&fcport->list, &vha->vp_fcports);
5383 
5384 		}
5385 		if (pla) {
5386 			qlt_plogi_ack_link(vha, pla, fcport,
5387 			    QLT_PLOGI_LINK_SAME_WWN);
5388 			pla->ref_count--;
5389 		}
5390 	}
5391 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5392 
5393 	if (fcport) {
5394 		fcport->id_changed = 1;
5395 		fcport->scan_state = QLA_FCPORT_FOUND;
5396 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5397 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5398 
5399 		if (pla) {
5400 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5401 				u16 wd3_lo;
5402 
5403 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5404 				fcport->local = 0;
5405 				fcport->loop_id =
5406 					le16_to_cpu(
5407 					    pla->iocb.u.isp24.nport_handle);
5408 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5409 				wd3_lo =
5410 				    le16_to_cpu(
5411 					pla->iocb.u.isp24.u.prli.wd3_lo);
5412 
5413 				if (wd3_lo & BIT_7)
5414 					fcport->conf_compl_supported = 1;
5415 
5416 				if ((wd3_lo & BIT_4) == 0)
5417 					fcport->port_type = FCT_INITIATOR;
5418 				else
5419 					fcport->port_type = FCT_TARGET;
5420 			}
5421 			qlt_plogi_ack_unref(vha, pla);
5422 		} else {
5423 			fc_port_t *dfcp = NULL;
5424 
5425 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5426 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5427 			    &e->u.new_sess.id, 1);
5428 			if (tfcp && (tfcp != fcport)) {
5429 				/*
5430 				 * We have a conflict fcport with same NportID.
5431 				 */
5432 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5433 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5434 				    __func__, tfcp->port_name, tfcp->disc_state,
5435 				    tfcp->fw_login_state);
5436 
5437 				switch (tfcp->disc_state) {
5438 				case DSC_DELETED:
5439 					break;
5440 				case DSC_DELETE_PEND:
5441 					fcport->login_pause = 1;
5442 					tfcp->conflict = fcport;
5443 					break;
5444 				default:
5445 					fcport->login_pause = 1;
5446 					tfcp->conflict = fcport;
5447 					dfcp = tfcp;
5448 					break;
5449 				}
5450 			}
5451 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5452 			if (dfcp)
5453 				qlt_schedule_sess_for_deletion(tfcp);
5454 
5455 			if (N2N_TOPO(vha->hw)) {
5456 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5457 				fcport->keep_nport_handle = 1;
5458 				if (vha->flags.nvme_enabled) {
5459 					fcport->fc4_type =
5460 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5461 					fcport->n2n_flag = 1;
5462 				}
5463 				fcport->fw_login_state = 0;
5464 
5465 				schedule_delayed_work(&vha->scan.scan_work, 5);
5466 			} else {
5467 				qla24xx_fcport_handle_login(vha, fcport);
5468 			}
5469 		}
5470 	}
5471 
5472 	if (free_fcport) {
5473 		qla2x00_free_fcport(fcport);
5474 		if (pla) {
5475 			list_del(&pla->list);
5476 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5477 		}
5478 	}
5479 }
5480 
5481 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5482 {
5483 	struct srb *sp = e->u.iosb.sp;
5484 	int rval;
5485 
5486 	rval = qla2x00_start_sp(sp);
5487 	if (rval != QLA_SUCCESS) {
5488 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5489 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5490 		    __func__, sp->name, rval);
5491 		qla24xx_sp_unmap(vha, sp);
5492 	}
5493 }
5494 
5495 void
5496 qla2x00_do_work(struct scsi_qla_host *vha)
5497 {
5498 	struct qla_work_evt *e, *tmp;
5499 	unsigned long flags;
5500 	LIST_HEAD(work);
5501 	int rc;
5502 
5503 	spin_lock_irqsave(&vha->work_lock, flags);
5504 	list_splice_init(&vha->work_list, &work);
5505 	spin_unlock_irqrestore(&vha->work_lock, flags);
5506 
5507 	list_for_each_entry_safe(e, tmp, &work, list) {
5508 		rc = QLA_SUCCESS;
5509 		switch (e->type) {
5510 		case QLA_EVT_AEN:
5511 			fc_host_post_event(vha->host, fc_get_event_number(),
5512 			    e->u.aen.code, e->u.aen.data);
5513 			break;
5514 		case QLA_EVT_IDC_ACK:
5515 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5516 			break;
5517 		case QLA_EVT_ASYNC_LOGIN:
5518 			qla2x00_async_login(vha, e->u.logio.fcport,
5519 			    e->u.logio.data);
5520 			break;
5521 		case QLA_EVT_ASYNC_LOGOUT:
5522 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5523 			break;
5524 		case QLA_EVT_ASYNC_ADISC:
5525 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5526 			    e->u.logio.data);
5527 			break;
5528 		case QLA_EVT_UEVENT:
5529 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5530 			break;
5531 		case QLA_EVT_AENFX:
5532 			qlafx00_process_aen(vha, e);
5533 			break;
5534 		case QLA_EVT_UNMAP:
5535 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5536 			break;
5537 		case QLA_EVT_RELOGIN:
5538 			qla2x00_relogin(vha);
5539 			break;
5540 		case QLA_EVT_NEW_SESS:
5541 			qla24xx_create_new_sess(vha, e);
5542 			break;
5543 		case QLA_EVT_GPDB:
5544 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5545 			    e->u.fcport.opt);
5546 			break;
5547 		case QLA_EVT_PRLI:
5548 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5549 			break;
5550 		case QLA_EVT_GPSC:
5551 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5552 			break;
5553 		case QLA_EVT_GNL:
5554 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5555 			break;
5556 		case QLA_EVT_NACK:
5557 			qla24xx_do_nack_work(vha, e);
5558 			break;
5559 		case QLA_EVT_ASYNC_PRLO:
5560 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5561 			break;
5562 		case QLA_EVT_ASYNC_PRLO_DONE:
5563 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5564 			    e->u.logio.data);
5565 			break;
5566 		case QLA_EVT_GPNFT:
5567 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5568 			    e->u.gpnft.sp);
5569 			break;
5570 		case QLA_EVT_GPNFT_DONE:
5571 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5572 			break;
5573 		case QLA_EVT_GNNFT_DONE:
5574 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5575 			break;
5576 		case QLA_EVT_GFPNID:
5577 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5578 			break;
5579 		case QLA_EVT_SP_RETRY:
5580 			qla_sp_retry(vha, e);
5581 			break;
5582 		case QLA_EVT_IIDMA:
5583 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5584 			break;
5585 		case QLA_EVT_ELS_PLOGI:
5586 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5587 			    e->u.fcport.fcport);
5588 			break;
5589 		case QLA_EVT_SA_REPLACE:
5590 			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5591 			break;
5592 		}
5593 
5594 		if (rc == EAGAIN) {
5595 			/* put 'work' at head of 'vha->work_list' */
5596 			spin_lock_irqsave(&vha->work_lock, flags);
5597 			list_splice(&work, &vha->work_list);
5598 			spin_unlock_irqrestore(&vha->work_lock, flags);
5599 			break;
5600 		}
5601 		list_del_init(&e->list);
5602 		if (e->flags & QLA_EVT_FLAG_FREE)
5603 			kfree(e);
5604 
5605 		/* For each work completed decrement vha ref count */
5606 		QLA_VHA_MARK_NOT_BUSY(vha);
5607 	}
5608 }
5609 
5610 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5611 {
5612 	struct qla_work_evt *e;
5613 
5614 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5615 
5616 	if (!e) {
5617 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5618 		return QLA_FUNCTION_FAILED;
5619 	}
5620 
5621 	return qla2x00_post_work(vha, e);
5622 }
5623 
5624 /* Relogins all the fcports of a vport
5625  * Context: dpc thread
5626  */
5627 void qla2x00_relogin(struct scsi_qla_host *vha)
5628 {
5629 	fc_port_t       *fcport;
5630 	int status, relogin_needed = 0;
5631 	struct event_arg ea;
5632 
5633 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5634 		/*
5635 		 * If the port is not ONLINE then try to login
5636 		 * to it if we haven't run out of retries.
5637 		 */
5638 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5639 		    fcport->login_retry) {
5640 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5641 			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5642 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5643 				continue;
5644 
5645 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5646 				fcport->disc_state == DSC_DELETE_PEND) {
5647 				relogin_needed = 1;
5648 			} else {
5649 				if (vha->hw->current_topology != ISP_CFG_NL) {
5650 					memset(&ea, 0, sizeof(ea));
5651 					ea.fcport = fcport;
5652 					qla24xx_handle_relogin_event(vha, &ea);
5653 				} else if (vha->hw->current_topology ==
5654 					 ISP_CFG_NL &&
5655 					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5656 					(void)qla24xx_fcport_handle_login(vha,
5657 									fcport);
5658 				} else if (vha->hw->current_topology ==
5659 				    ISP_CFG_NL) {
5660 					fcport->login_retry--;
5661 					status =
5662 					    qla2x00_local_device_login(vha,
5663 						fcport);
5664 					if (status == QLA_SUCCESS) {
5665 						fcport->old_loop_id =
5666 						    fcport->loop_id;
5667 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5668 						    "Port login OK: logged in ID 0x%x.\n",
5669 						    fcport->loop_id);
5670 						qla2x00_update_fcport
5671 							(vha, fcport);
5672 					} else if (status == 1) {
5673 						set_bit(RELOGIN_NEEDED,
5674 						    &vha->dpc_flags);
5675 						/* retry the login again */
5676 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5677 						    "Retrying %d login again loop_id 0x%x.\n",
5678 						    fcport->login_retry,
5679 						    fcport->loop_id);
5680 					} else {
5681 						fcport->login_retry = 0;
5682 					}
5683 
5684 					if (fcport->login_retry == 0 &&
5685 					    status != QLA_SUCCESS)
5686 						qla2x00_clear_loop_id(fcport);
5687 				}
5688 			}
5689 		}
5690 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5691 			break;
5692 	}
5693 
5694 	if (relogin_needed)
5695 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5696 
5697 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5698 	    "Relogin end.\n");
5699 }
5700 
5701 /* Schedule work on any of the dpc-workqueues */
5702 void
5703 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5704 {
5705 	struct qla_hw_data *ha = base_vha->hw;
5706 
5707 	switch (work_code) {
5708 	case MBA_IDC_AEN: /* 0x8200 */
5709 		if (ha->dpc_lp_wq)
5710 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5711 		break;
5712 
5713 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5714 		if (!ha->flags.nic_core_reset_hdlr_active) {
5715 			if (ha->dpc_hp_wq)
5716 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5717 		} else
5718 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5719 			    "NIC Core reset is already active. Skip "
5720 			    "scheduling it again.\n");
5721 		break;
5722 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5723 		if (ha->dpc_hp_wq)
5724 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5725 		break;
5726 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5727 		if (ha->dpc_hp_wq)
5728 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5729 		break;
5730 	default:
5731 		ql_log(ql_log_warn, base_vha, 0xb05f,
5732 		    "Unknown work-code=0x%x.\n", work_code);
5733 	}
5734 
5735 	return;
5736 }
5737 
5738 /* Work: Perform NIC Core Unrecoverable state handling */
5739 void
5740 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5741 {
5742 	struct qla_hw_data *ha =
5743 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5744 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5745 	uint32_t dev_state = 0;
5746 
5747 	qla83xx_idc_lock(base_vha, 0);
5748 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5749 	qla83xx_reset_ownership(base_vha);
5750 	if (ha->flags.nic_core_reset_owner) {
5751 		ha->flags.nic_core_reset_owner = 0;
5752 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5753 		    QLA8XXX_DEV_FAILED);
5754 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5755 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5756 	}
5757 	qla83xx_idc_unlock(base_vha, 0);
5758 }
5759 
5760 /* Work: Execute IDC state handler */
5761 void
5762 qla83xx_idc_state_handler_work(struct work_struct *work)
5763 {
5764 	struct qla_hw_data *ha =
5765 		container_of(work, struct qla_hw_data, idc_state_handler);
5766 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5767 	uint32_t dev_state = 0;
5768 
5769 	qla83xx_idc_lock(base_vha, 0);
5770 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5771 	if (dev_state == QLA8XXX_DEV_FAILED ||
5772 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5773 		qla83xx_idc_state_handler(base_vha);
5774 	qla83xx_idc_unlock(base_vha, 0);
5775 }
5776 
5777 static int
5778 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5779 {
5780 	int rval = QLA_SUCCESS;
5781 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5782 	uint32_t heart_beat_counter1, heart_beat_counter2;
5783 
5784 	do {
5785 		if (time_after(jiffies, heart_beat_wait)) {
5786 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5787 			    "Nic Core f/w is not alive.\n");
5788 			rval = QLA_FUNCTION_FAILED;
5789 			break;
5790 		}
5791 
5792 		qla83xx_idc_lock(base_vha, 0);
5793 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5794 		    &heart_beat_counter1);
5795 		qla83xx_idc_unlock(base_vha, 0);
5796 		msleep(100);
5797 		qla83xx_idc_lock(base_vha, 0);
5798 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5799 		    &heart_beat_counter2);
5800 		qla83xx_idc_unlock(base_vha, 0);
5801 	} while (heart_beat_counter1 == heart_beat_counter2);
5802 
5803 	return rval;
5804 }
5805 
5806 /* Work: Perform NIC Core Reset handling */
5807 void
5808 qla83xx_nic_core_reset_work(struct work_struct *work)
5809 {
5810 	struct qla_hw_data *ha =
5811 		container_of(work, struct qla_hw_data, nic_core_reset);
5812 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5813 	uint32_t dev_state = 0;
5814 
5815 	if (IS_QLA2031(ha)) {
5816 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5817 			ql_log(ql_log_warn, base_vha, 0xb081,
5818 			    "Failed to dump mctp\n");
5819 		return;
5820 	}
5821 
5822 	if (!ha->flags.nic_core_reset_hdlr_active) {
5823 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5824 			qla83xx_idc_lock(base_vha, 0);
5825 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5826 			    &dev_state);
5827 			qla83xx_idc_unlock(base_vha, 0);
5828 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5829 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5830 				    "Nic Core f/w is alive.\n");
5831 				return;
5832 			}
5833 		}
5834 
5835 		ha->flags.nic_core_reset_hdlr_active = 1;
5836 		if (qla83xx_nic_core_reset(base_vha)) {
5837 			/* NIC Core reset failed. */
5838 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5839 			    "NIC Core reset failed.\n");
5840 		}
5841 		ha->flags.nic_core_reset_hdlr_active = 0;
5842 	}
5843 }
5844 
5845 /* Work: Handle 8200 IDC aens */
5846 void
5847 qla83xx_service_idc_aen(struct work_struct *work)
5848 {
5849 	struct qla_hw_data *ha =
5850 		container_of(work, struct qla_hw_data, idc_aen);
5851 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5852 	uint32_t dev_state, idc_control;
5853 
5854 	qla83xx_idc_lock(base_vha, 0);
5855 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5856 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5857 	qla83xx_idc_unlock(base_vha, 0);
5858 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5859 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5860 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5861 			    "Application requested NIC Core Reset.\n");
5862 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5863 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5864 		    QLA_SUCCESS) {
5865 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5866 			    "Other protocol driver requested NIC Core Reset.\n");
5867 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5868 		}
5869 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5870 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5871 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5872 	}
5873 }
5874 
5875 /*
5876  * Control the frequency of IDC lock retries
5877  */
5878 #define QLA83XX_WAIT_LOGIC_MS	100
5879 
5880 static int
5881 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5882 {
5883 	int rval;
5884 	uint32_t data;
5885 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5886 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5887 	struct qla_hw_data *ha = base_vha->hw;
5888 
5889 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5890 	    "Trying force recovery of the IDC lock.\n");
5891 
5892 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5893 	if (rval)
5894 		return rval;
5895 
5896 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5897 		return QLA_SUCCESS;
5898 	} else {
5899 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5900 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5901 		    data);
5902 		if (rval)
5903 			return rval;
5904 
5905 		msleep(200);
5906 
5907 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5908 		    &data);
5909 		if (rval)
5910 			return rval;
5911 
5912 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5913 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5914 					~(idc_lck_rcvry_stage_mask));
5915 			rval = qla83xx_wr_reg(base_vha,
5916 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5917 			if (rval)
5918 				return rval;
5919 
5920 			/* Forcefully perform IDC UnLock */
5921 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5922 			    &data);
5923 			if (rval)
5924 				return rval;
5925 			/* Clear lock-id by setting 0xff */
5926 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5927 			    0xff);
5928 			if (rval)
5929 				return rval;
5930 			/* Clear lock-recovery by setting 0x0 */
5931 			rval = qla83xx_wr_reg(base_vha,
5932 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5933 			if (rval)
5934 				return rval;
5935 		} else
5936 			return QLA_SUCCESS;
5937 	}
5938 
5939 	return rval;
5940 }
5941 
5942 static int
5943 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5944 {
5945 	int rval = QLA_SUCCESS;
5946 	uint32_t o_drv_lockid, n_drv_lockid;
5947 	unsigned long lock_recovery_timeout;
5948 
5949 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5950 retry_lockid:
5951 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5952 	if (rval)
5953 		goto exit;
5954 
5955 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5956 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5957 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5958 			return QLA_SUCCESS;
5959 		else
5960 			return QLA_FUNCTION_FAILED;
5961 	}
5962 
5963 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5964 	if (rval)
5965 		goto exit;
5966 
5967 	if (o_drv_lockid == n_drv_lockid) {
5968 		msleep(QLA83XX_WAIT_LOGIC_MS);
5969 		goto retry_lockid;
5970 	} else
5971 		return QLA_SUCCESS;
5972 
5973 exit:
5974 	return rval;
5975 }
5976 
5977 /*
5978  * Context: task, can sleep
5979  */
5980 void
5981 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5982 {
5983 	uint32_t data;
5984 	uint32_t lock_owner;
5985 	struct qla_hw_data *ha = base_vha->hw;
5986 
5987 	might_sleep();
5988 
5989 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5990 retry_lock:
5991 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5992 	    == QLA_SUCCESS) {
5993 		if (data) {
5994 			/* Setting lock-id to our function-number */
5995 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5996 			    ha->portnum);
5997 		} else {
5998 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5999 			    &lock_owner);
6000 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
6001 			    "Failed to acquire IDC lock, acquired by %d, "
6002 			    "retrying...\n", lock_owner);
6003 
6004 			/* Retry/Perform IDC-Lock recovery */
6005 			if (qla83xx_idc_lock_recovery(base_vha)
6006 			    == QLA_SUCCESS) {
6007 				msleep(QLA83XX_WAIT_LOGIC_MS);
6008 				goto retry_lock;
6009 			} else
6010 				ql_log(ql_log_warn, base_vha, 0xb075,
6011 				    "IDC Lock recovery FAILED.\n");
6012 		}
6013 
6014 	}
6015 
6016 	return;
6017 }
6018 
6019 static bool
6020 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
6021 	struct purex_entry_24xx *purex)
6022 {
6023 	char fwstr[16];
6024 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
6025 	struct port_database_24xx *pdb;
6026 
6027 	/* Domain Controller is always logged-out. */
6028 	/* if RDP request is not from Domain Controller: */
6029 	if (sid != 0xfffc01)
6030 		return false;
6031 
6032 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
6033 
6034 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
6035 	if (!pdb) {
6036 		ql_dbg(ql_dbg_init, vha, 0x0181,
6037 		    "%s: Failed allocate pdb\n", __func__);
6038 	} else if (qla24xx_get_port_database(vha,
6039 				le16_to_cpu(purex->nport_handle), pdb)) {
6040 		ql_dbg(ql_dbg_init, vha, 0x0181,
6041 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
6042 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
6043 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
6044 		ql_dbg(ql_dbg_init, vha, 0x0181,
6045 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
6046 	} else {
6047 		/* RDP request is from logged in port */
6048 		kfree(pdb);
6049 		return false;
6050 	}
6051 	kfree(pdb);
6052 
6053 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
6054 	fwstr[strcspn(fwstr, " ")] = 0;
6055 	/* if FW version allows RDP response length upto 2048 bytes: */
6056 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
6057 		return false;
6058 
6059 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
6060 
6061 	/* RDP response length is to be reduced to maximum 256 bytes */
6062 	return true;
6063 }
6064 
6065 /*
6066  * Function Name: qla24xx_process_purex_iocb
6067  *
6068  * Description:
6069  * Prepare a RDP response and send to Fabric switch
6070  *
6071  * PARAMETERS:
6072  * vha:	SCSI qla host
6073  * purex: RDP request received by HBA
6074  */
6075 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6076 			       struct purex_item *item)
6077 {
6078 	struct qla_hw_data *ha = vha->hw;
6079 	struct purex_entry_24xx *purex =
6080 	    (struct purex_entry_24xx *)&item->iocb;
6081 	dma_addr_t rsp_els_dma;
6082 	dma_addr_t rsp_payload_dma;
6083 	dma_addr_t stat_dma;
6084 	dma_addr_t sfp_dma;
6085 	struct els_entry_24xx *rsp_els = NULL;
6086 	struct rdp_rsp_payload *rsp_payload = NULL;
6087 	struct link_statistics *stat = NULL;
6088 	uint8_t *sfp = NULL;
6089 	uint16_t sfp_flags = 0;
6090 	uint rsp_payload_length = sizeof(*rsp_payload);
6091 	int rval;
6092 
6093 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6094 	    "%s: Enter\n", __func__);
6095 
6096 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6097 	    "-------- ELS REQ -------\n");
6098 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6099 	    purex, sizeof(*purex));
6100 
6101 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6102 		rsp_payload_length =
6103 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6104 		ql_dbg(ql_dbg_init, vha, 0x0181,
6105 		    "Reducing RSP payload length to %u bytes...\n",
6106 		    rsp_payload_length);
6107 	}
6108 
6109 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6110 	    &rsp_els_dma, GFP_KERNEL);
6111 	if (!rsp_els) {
6112 		ql_log(ql_log_warn, vha, 0x0183,
6113 		    "Failed allocate dma buffer ELS RSP.\n");
6114 		goto dealloc;
6115 	}
6116 
6117 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6118 	    &rsp_payload_dma, GFP_KERNEL);
6119 	if (!rsp_payload) {
6120 		ql_log(ql_log_warn, vha, 0x0184,
6121 		    "Failed allocate dma buffer ELS RSP payload.\n");
6122 		goto dealloc;
6123 	}
6124 
6125 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6126 	    &sfp_dma, GFP_KERNEL);
6127 
6128 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6129 	    &stat_dma, GFP_KERNEL);
6130 
6131 	/* Prepare Response IOCB */
6132 	rsp_els->entry_type = ELS_IOCB_TYPE;
6133 	rsp_els->entry_count = 1;
6134 	rsp_els->sys_define = 0;
6135 	rsp_els->entry_status = 0;
6136 	rsp_els->handle = 0;
6137 	rsp_els->nport_handle = purex->nport_handle;
6138 	rsp_els->tx_dsd_count = cpu_to_le16(1);
6139 	rsp_els->vp_index = purex->vp_idx;
6140 	rsp_els->sof_type = EST_SOFI3;
6141 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6142 	rsp_els->rx_dsd_count = 0;
6143 	rsp_els->opcode = purex->els_frame_payload[0];
6144 
6145 	rsp_els->d_id[0] = purex->s_id[0];
6146 	rsp_els->d_id[1] = purex->s_id[1];
6147 	rsp_els->d_id[2] = purex->s_id[2];
6148 
6149 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6150 	rsp_els->rx_byte_count = 0;
6151 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6152 
6153 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6154 	rsp_els->tx_len = rsp_els->tx_byte_count;
6155 
6156 	rsp_els->rx_address = 0;
6157 	rsp_els->rx_len = 0;
6158 
6159 	/* Prepare Response Payload */
6160 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6161 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6162 					   sizeof(rsp_payload->hdr));
6163 
6164 	/* Link service Request Info Descriptor */
6165 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6166 	rsp_payload->ls_req_info_desc.desc_len =
6167 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6168 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6169 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6170 
6171 	/* Link service Request Info Descriptor 2 */
6172 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6173 	rsp_payload->ls_req_info_desc2.desc_len =
6174 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6175 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6176 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6177 
6178 
6179 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6180 	rsp_payload->sfp_diag_desc.desc_len =
6181 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6182 
6183 	if (sfp) {
6184 		/* SFP Flags */
6185 		memset(sfp, 0, SFP_RTDI_LEN);
6186 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6187 		if (!rval) {
6188 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6189 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6190 				sfp_flags |= BIT_0; /* short wave */
6191 			else if (sfp[0] & BIT_1)
6192 				sfp_flags |= BIT_1; /* long wave 1310nm */
6193 			else if (sfp[1] & BIT_4)
6194 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6195 		}
6196 
6197 		/* SFP Type */
6198 		memset(sfp, 0, SFP_RTDI_LEN);
6199 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6200 		if (!rval) {
6201 			sfp_flags |= BIT_4; /* optical */
6202 			if (sfp[0] == 0x3)
6203 				sfp_flags |= BIT_6; /* sfp+ */
6204 		}
6205 
6206 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6207 
6208 		/* SFP Diagnostics */
6209 		memset(sfp, 0, SFP_RTDI_LEN);
6210 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6211 		if (!rval) {
6212 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6213 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6214 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6215 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6216 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6217 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6218 		}
6219 	}
6220 
6221 	/* Port Speed Descriptor */
6222 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6223 	rsp_payload->port_speed_desc.desc_len =
6224 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6225 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6226 	    qla25xx_fdmi_port_speed_capability(ha));
6227 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6228 	    qla25xx_fdmi_port_speed_currently(ha));
6229 
6230 	/* Link Error Status Descriptor */
6231 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6232 	rsp_payload->ls_err_desc.desc_len =
6233 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6234 
6235 	if (stat) {
6236 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6237 		if (!rval) {
6238 			rsp_payload->ls_err_desc.link_fail_cnt =
6239 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6240 			rsp_payload->ls_err_desc.loss_sync_cnt =
6241 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6242 			rsp_payload->ls_err_desc.loss_sig_cnt =
6243 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6244 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6245 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6246 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6247 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6248 			rsp_payload->ls_err_desc.inval_crc_cnt =
6249 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6250 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6251 		}
6252 	}
6253 
6254 	/* Portname Descriptor */
6255 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6256 	rsp_payload->port_name_diag_desc.desc_len =
6257 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6258 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6259 	    vha->node_name,
6260 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6261 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6262 	    vha->port_name,
6263 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6264 
6265 	/* F-Port Portname Descriptor */
6266 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6267 	rsp_payload->port_name_direct_desc.desc_len =
6268 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6269 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6270 	    vha->fabric_node_name,
6271 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6272 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6273 	    vha->fabric_port_name,
6274 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6275 
6276 	/* Bufer Credit Descriptor */
6277 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6278 	rsp_payload->buffer_credit_desc.desc_len =
6279 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6280 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6281 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6282 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6283 
6284 	if (ha->flags.plogi_template_valid) {
6285 		uint32_t tmp =
6286 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6287 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6288 	}
6289 
6290 	if (rsp_payload_length < sizeof(*rsp_payload))
6291 		goto send;
6292 
6293 	/* Optical Element Descriptor, Temperature */
6294 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6295 	rsp_payload->optical_elmt_desc[0].desc_len =
6296 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6297 	/* Optical Element Descriptor, Voltage */
6298 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6299 	rsp_payload->optical_elmt_desc[1].desc_len =
6300 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6301 	/* Optical Element Descriptor, Tx Bias Current */
6302 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6303 	rsp_payload->optical_elmt_desc[2].desc_len =
6304 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6305 	/* Optical Element Descriptor, Tx Power */
6306 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6307 	rsp_payload->optical_elmt_desc[3].desc_len =
6308 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6309 	/* Optical Element Descriptor, Rx Power */
6310 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6311 	rsp_payload->optical_elmt_desc[4].desc_len =
6312 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6313 
6314 	if (sfp) {
6315 		memset(sfp, 0, SFP_RTDI_LEN);
6316 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6317 		if (!rval) {
6318 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6319 
6320 			/* Optical Element Descriptor, Temperature */
6321 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6322 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6323 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6324 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6325 			rsp_payload->optical_elmt_desc[0].element_flags =
6326 			    cpu_to_be32(1 << 28);
6327 
6328 			/* Optical Element Descriptor, Voltage */
6329 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6330 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6331 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6332 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6333 			rsp_payload->optical_elmt_desc[1].element_flags =
6334 			    cpu_to_be32(2 << 28);
6335 
6336 			/* Optical Element Descriptor, Tx Bias Current */
6337 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6338 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6339 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6340 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6341 			rsp_payload->optical_elmt_desc[2].element_flags =
6342 			    cpu_to_be32(3 << 28);
6343 
6344 			/* Optical Element Descriptor, Tx Power */
6345 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6346 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6347 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6348 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6349 			rsp_payload->optical_elmt_desc[3].element_flags =
6350 			    cpu_to_be32(4 << 28);
6351 
6352 			/* Optical Element Descriptor, Rx Power */
6353 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6354 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6355 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6356 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6357 			rsp_payload->optical_elmt_desc[4].element_flags =
6358 			    cpu_to_be32(5 << 28);
6359 		}
6360 
6361 		memset(sfp, 0, SFP_RTDI_LEN);
6362 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6363 		if (!rval) {
6364 			/* Temperature high/low alarm/warning */
6365 			rsp_payload->optical_elmt_desc[0].element_flags |=
6366 			    cpu_to_be32(
6367 				(sfp[0] >> 7 & 1) << 3 |
6368 				(sfp[0] >> 6 & 1) << 2 |
6369 				(sfp[4] >> 7 & 1) << 1 |
6370 				(sfp[4] >> 6 & 1) << 0);
6371 
6372 			/* Voltage high/low alarm/warning */
6373 			rsp_payload->optical_elmt_desc[1].element_flags |=
6374 			    cpu_to_be32(
6375 				(sfp[0] >> 5 & 1) << 3 |
6376 				(sfp[0] >> 4 & 1) << 2 |
6377 				(sfp[4] >> 5 & 1) << 1 |
6378 				(sfp[4] >> 4 & 1) << 0);
6379 
6380 			/* Tx Bias Current high/low alarm/warning */
6381 			rsp_payload->optical_elmt_desc[2].element_flags |=
6382 			    cpu_to_be32(
6383 				(sfp[0] >> 3 & 1) << 3 |
6384 				(sfp[0] >> 2 & 1) << 2 |
6385 				(sfp[4] >> 3 & 1) << 1 |
6386 				(sfp[4] >> 2 & 1) << 0);
6387 
6388 			/* Tx Power high/low alarm/warning */
6389 			rsp_payload->optical_elmt_desc[3].element_flags |=
6390 			    cpu_to_be32(
6391 				(sfp[0] >> 1 & 1) << 3 |
6392 				(sfp[0] >> 0 & 1) << 2 |
6393 				(sfp[4] >> 1 & 1) << 1 |
6394 				(sfp[4] >> 0 & 1) << 0);
6395 
6396 			/* Rx Power high/low alarm/warning */
6397 			rsp_payload->optical_elmt_desc[4].element_flags |=
6398 			    cpu_to_be32(
6399 				(sfp[1] >> 7 & 1) << 3 |
6400 				(sfp[1] >> 6 & 1) << 2 |
6401 				(sfp[5] >> 7 & 1) << 1 |
6402 				(sfp[5] >> 6 & 1) << 0);
6403 		}
6404 	}
6405 
6406 	/* Optical Product Data Descriptor */
6407 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6408 	rsp_payload->optical_prod_desc.desc_len =
6409 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6410 
6411 	if (sfp) {
6412 		memset(sfp, 0, SFP_RTDI_LEN);
6413 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6414 		if (!rval) {
6415 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6416 			    sfp + 0,
6417 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6418 			memcpy(rsp_payload->optical_prod_desc.part_number,
6419 			    sfp + 20,
6420 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6421 			memcpy(rsp_payload->optical_prod_desc.revision,
6422 			    sfp + 36,
6423 			    sizeof(rsp_payload->optical_prod_desc.revision));
6424 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6425 			    sfp + 48,
6426 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6427 		}
6428 
6429 		memset(sfp, 0, SFP_RTDI_LEN);
6430 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6431 		if (!rval) {
6432 			memcpy(rsp_payload->optical_prod_desc.date,
6433 			    sfp + 0,
6434 			    sizeof(rsp_payload->optical_prod_desc.date));
6435 		}
6436 	}
6437 
6438 send:
6439 	ql_dbg(ql_dbg_init, vha, 0x0183,
6440 	    "Sending ELS Response to RDP Request...\n");
6441 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6442 	    "-------- ELS RSP -------\n");
6443 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6444 	    rsp_els, sizeof(*rsp_els));
6445 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6446 	    "-------- ELS RSP PAYLOAD -------\n");
6447 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6448 	    rsp_payload, rsp_payload_length);
6449 
6450 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6451 
6452 	if (rval) {
6453 		ql_log(ql_log_warn, vha, 0x0188,
6454 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6455 	} else if (rsp_els->comp_status) {
6456 		ql_log(ql_log_warn, vha, 0x0189,
6457 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6458 		    __func__, rsp_els->comp_status,
6459 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6460 	} else {
6461 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6462 	}
6463 
6464 dealloc:
6465 	if (stat)
6466 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6467 		    stat, stat_dma);
6468 	if (sfp)
6469 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6470 		    sfp, sfp_dma);
6471 	if (rsp_payload)
6472 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6473 		    rsp_payload, rsp_payload_dma);
6474 	if (rsp_els)
6475 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6476 		    rsp_els, rsp_els_dma);
6477 }
6478 
6479 void
6480 qla24xx_free_purex_item(struct purex_item *item)
6481 {
6482 	if (item == &item->vha->default_item)
6483 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6484 	else
6485 		kfree(item);
6486 }
6487 
6488 void qla24xx_process_purex_list(struct purex_list *list)
6489 {
6490 	struct list_head head = LIST_HEAD_INIT(head);
6491 	struct purex_item *item, *next;
6492 	ulong flags;
6493 
6494 	spin_lock_irqsave(&list->lock, flags);
6495 	list_splice_init(&list->head, &head);
6496 	spin_unlock_irqrestore(&list->lock, flags);
6497 
6498 	list_for_each_entry_safe(item, next, &head, list) {
6499 		list_del(&item->list);
6500 		item->process_item(item->vha, item);
6501 		qla24xx_free_purex_item(item);
6502 	}
6503 }
6504 
6505 /*
6506  * Context: task, can sleep
6507  */
6508 void
6509 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6510 {
6511 #if 0
6512 	uint16_t options = (requester_id << 15) | BIT_7;
6513 #endif
6514 	uint16_t retry;
6515 	uint32_t data;
6516 	struct qla_hw_data *ha = base_vha->hw;
6517 
6518 	might_sleep();
6519 
6520 	/* IDC-unlock implementation using driver-unlock/lock-id
6521 	 * remote registers
6522 	 */
6523 	retry = 0;
6524 retry_unlock:
6525 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6526 	    == QLA_SUCCESS) {
6527 		if (data == ha->portnum) {
6528 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6529 			/* Clearing lock-id by setting 0xff */
6530 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6531 		} else if (retry < 10) {
6532 			/* SV: XXX: IDC unlock retrying needed here? */
6533 
6534 			/* Retry for IDC-unlock */
6535 			msleep(QLA83XX_WAIT_LOGIC_MS);
6536 			retry++;
6537 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6538 			    "Failed to release IDC lock, retrying=%d\n", retry);
6539 			goto retry_unlock;
6540 		}
6541 	} else if (retry < 10) {
6542 		/* Retry for IDC-unlock */
6543 		msleep(QLA83XX_WAIT_LOGIC_MS);
6544 		retry++;
6545 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6546 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6547 		goto retry_unlock;
6548 	}
6549 
6550 	return;
6551 
6552 #if 0
6553 	/* XXX: IDC-unlock implementation using access-control mbx */
6554 	retry = 0;
6555 retry_unlock2:
6556 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6557 		if (retry < 10) {
6558 			/* Retry for IDC-unlock */
6559 			msleep(QLA83XX_WAIT_LOGIC_MS);
6560 			retry++;
6561 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6562 			    "Failed to release IDC lock, retrying=%d\n", retry);
6563 			goto retry_unlock2;
6564 		}
6565 	}
6566 
6567 	return;
6568 #endif
6569 }
6570 
6571 int
6572 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6573 {
6574 	int rval = QLA_SUCCESS;
6575 	struct qla_hw_data *ha = vha->hw;
6576 	uint32_t drv_presence;
6577 
6578 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6579 	if (rval == QLA_SUCCESS) {
6580 		drv_presence |= (1 << ha->portnum);
6581 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6582 		    drv_presence);
6583 	}
6584 
6585 	return rval;
6586 }
6587 
6588 int
6589 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6590 {
6591 	int rval = QLA_SUCCESS;
6592 
6593 	qla83xx_idc_lock(vha, 0);
6594 	rval = __qla83xx_set_drv_presence(vha);
6595 	qla83xx_idc_unlock(vha, 0);
6596 
6597 	return rval;
6598 }
6599 
6600 int
6601 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6602 {
6603 	int rval = QLA_SUCCESS;
6604 	struct qla_hw_data *ha = vha->hw;
6605 	uint32_t drv_presence;
6606 
6607 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6608 	if (rval == QLA_SUCCESS) {
6609 		drv_presence &= ~(1 << ha->portnum);
6610 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6611 		    drv_presence);
6612 	}
6613 
6614 	return rval;
6615 }
6616 
6617 int
6618 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6619 {
6620 	int rval = QLA_SUCCESS;
6621 
6622 	qla83xx_idc_lock(vha, 0);
6623 	rval = __qla83xx_clear_drv_presence(vha);
6624 	qla83xx_idc_unlock(vha, 0);
6625 
6626 	return rval;
6627 }
6628 
6629 static void
6630 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6631 {
6632 	struct qla_hw_data *ha = vha->hw;
6633 	uint32_t drv_ack, drv_presence;
6634 	unsigned long ack_timeout;
6635 
6636 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6637 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6638 	while (1) {
6639 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6640 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6641 		if ((drv_ack & drv_presence) == drv_presence)
6642 			break;
6643 
6644 		if (time_after_eq(jiffies, ack_timeout)) {
6645 			ql_log(ql_log_warn, vha, 0xb067,
6646 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6647 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6648 			/*
6649 			 * The function(s) which did not ack in time are forced
6650 			 * to withdraw any further participation in the IDC
6651 			 * reset.
6652 			 */
6653 			if (drv_ack != drv_presence)
6654 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6655 				    drv_ack);
6656 			break;
6657 		}
6658 
6659 		qla83xx_idc_unlock(vha, 0);
6660 		msleep(1000);
6661 		qla83xx_idc_lock(vha, 0);
6662 	}
6663 
6664 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6665 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6666 }
6667 
6668 static int
6669 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6670 {
6671 	int rval = QLA_SUCCESS;
6672 	uint32_t idc_control;
6673 
6674 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6675 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6676 
6677 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6678 	__qla83xx_get_idc_control(vha, &idc_control);
6679 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6680 	__qla83xx_set_idc_control(vha, 0);
6681 
6682 	qla83xx_idc_unlock(vha, 0);
6683 	rval = qla83xx_restart_nic_firmware(vha);
6684 	qla83xx_idc_lock(vha, 0);
6685 
6686 	if (rval != QLA_SUCCESS) {
6687 		ql_log(ql_log_fatal, vha, 0xb06a,
6688 		    "Failed to restart NIC f/w.\n");
6689 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6690 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6691 	} else {
6692 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6693 		    "Success in restarting nic f/w.\n");
6694 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6695 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6696 	}
6697 
6698 	return rval;
6699 }
6700 
6701 /* Assumes idc_lock always held on entry */
6702 int
6703 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6704 {
6705 	struct qla_hw_data *ha = base_vha->hw;
6706 	int rval = QLA_SUCCESS;
6707 	unsigned long dev_init_timeout;
6708 	uint32_t dev_state;
6709 
6710 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6711 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6712 
6713 	while (1) {
6714 
6715 		if (time_after_eq(jiffies, dev_init_timeout)) {
6716 			ql_log(ql_log_warn, base_vha, 0xb06e,
6717 			    "Initialization TIMEOUT!\n");
6718 			/* Init timeout. Disable further NIC Core
6719 			 * communication.
6720 			 */
6721 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6722 				QLA8XXX_DEV_FAILED);
6723 			ql_log(ql_log_info, base_vha, 0xb06f,
6724 			    "HW State: FAILED.\n");
6725 		}
6726 
6727 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6728 		switch (dev_state) {
6729 		case QLA8XXX_DEV_READY:
6730 			if (ha->flags.nic_core_reset_owner)
6731 				qla83xx_idc_audit(base_vha,
6732 				    IDC_AUDIT_COMPLETION);
6733 			ha->flags.nic_core_reset_owner = 0;
6734 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6735 			    "Reset_owner reset by 0x%x.\n",
6736 			    ha->portnum);
6737 			goto exit;
6738 		case QLA8XXX_DEV_COLD:
6739 			if (ha->flags.nic_core_reset_owner)
6740 				rval = qla83xx_device_bootstrap(base_vha);
6741 			else {
6742 			/* Wait for AEN to change device-state */
6743 				qla83xx_idc_unlock(base_vha, 0);
6744 				msleep(1000);
6745 				qla83xx_idc_lock(base_vha, 0);
6746 			}
6747 			break;
6748 		case QLA8XXX_DEV_INITIALIZING:
6749 			/* Wait for AEN to change device-state */
6750 			qla83xx_idc_unlock(base_vha, 0);
6751 			msleep(1000);
6752 			qla83xx_idc_lock(base_vha, 0);
6753 			break;
6754 		case QLA8XXX_DEV_NEED_RESET:
6755 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6756 				qla83xx_need_reset_handler(base_vha);
6757 			else {
6758 				/* Wait for AEN to change device-state */
6759 				qla83xx_idc_unlock(base_vha, 0);
6760 				msleep(1000);
6761 				qla83xx_idc_lock(base_vha, 0);
6762 			}
6763 			/* reset timeout value after need reset handler */
6764 			dev_init_timeout = jiffies +
6765 			    (ha->fcoe_dev_init_timeout * HZ);
6766 			break;
6767 		case QLA8XXX_DEV_NEED_QUIESCENT:
6768 			/* XXX: DEBUG for now */
6769 			qla83xx_idc_unlock(base_vha, 0);
6770 			msleep(1000);
6771 			qla83xx_idc_lock(base_vha, 0);
6772 			break;
6773 		case QLA8XXX_DEV_QUIESCENT:
6774 			/* XXX: DEBUG for now */
6775 			if (ha->flags.quiesce_owner)
6776 				goto exit;
6777 
6778 			qla83xx_idc_unlock(base_vha, 0);
6779 			msleep(1000);
6780 			qla83xx_idc_lock(base_vha, 0);
6781 			dev_init_timeout = jiffies +
6782 			    (ha->fcoe_dev_init_timeout * HZ);
6783 			break;
6784 		case QLA8XXX_DEV_FAILED:
6785 			if (ha->flags.nic_core_reset_owner)
6786 				qla83xx_idc_audit(base_vha,
6787 				    IDC_AUDIT_COMPLETION);
6788 			ha->flags.nic_core_reset_owner = 0;
6789 			__qla83xx_clear_drv_presence(base_vha);
6790 			qla83xx_idc_unlock(base_vha, 0);
6791 			qla8xxx_dev_failed_handler(base_vha);
6792 			rval = QLA_FUNCTION_FAILED;
6793 			qla83xx_idc_lock(base_vha, 0);
6794 			goto exit;
6795 		case QLA8XXX_BAD_VALUE:
6796 			qla83xx_idc_unlock(base_vha, 0);
6797 			msleep(1000);
6798 			qla83xx_idc_lock(base_vha, 0);
6799 			break;
6800 		default:
6801 			ql_log(ql_log_warn, base_vha, 0xb071,
6802 			    "Unknown Device State: %x.\n", dev_state);
6803 			qla83xx_idc_unlock(base_vha, 0);
6804 			qla8xxx_dev_failed_handler(base_vha);
6805 			rval = QLA_FUNCTION_FAILED;
6806 			qla83xx_idc_lock(base_vha, 0);
6807 			goto exit;
6808 		}
6809 	}
6810 
6811 exit:
6812 	return rval;
6813 }
6814 
6815 void
6816 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6817 {
6818 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6819 	    board_disable);
6820 	struct pci_dev *pdev = ha->pdev;
6821 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6822 
6823 	ql_log(ql_log_warn, base_vha, 0x015b,
6824 	    "Disabling adapter.\n");
6825 
6826 	if (!atomic_read(&pdev->enable_cnt)) {
6827 		ql_log(ql_log_info, base_vha, 0xfffc,
6828 		    "PCI device disabled, no action req for PCI error=%lx\n",
6829 		    base_vha->pci_flags);
6830 		return;
6831 	}
6832 
6833 	/*
6834 	 * if UNLOADING flag is already set, then continue unload,
6835 	 * where it was set first.
6836 	 */
6837 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6838 		return;
6839 
6840 	qla2x00_wait_for_sess_deletion(base_vha);
6841 
6842 	qla2x00_delete_all_vps(ha, base_vha);
6843 
6844 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6845 
6846 	qla2x00_dfs_remove(base_vha);
6847 
6848 	qla84xx_put_chip(base_vha);
6849 
6850 	if (base_vha->timer_active)
6851 		qla2x00_stop_timer(base_vha);
6852 
6853 	base_vha->flags.online = 0;
6854 
6855 	qla2x00_destroy_deferred_work(ha);
6856 
6857 	/*
6858 	 * Do not try to stop beacon blink as it will issue a mailbox
6859 	 * command.
6860 	 */
6861 	qla2x00_free_sysfs_attr(base_vha, false);
6862 
6863 	fc_remove_host(base_vha->host);
6864 
6865 	scsi_remove_host(base_vha->host);
6866 
6867 	base_vha->flags.init_done = 0;
6868 	qla25xx_delete_queues(base_vha);
6869 	qla2x00_free_fcports(base_vha);
6870 	qla2x00_free_irqs(base_vha);
6871 	qla2x00_mem_free(ha);
6872 	qla82xx_md_free(base_vha);
6873 	qla2x00_free_queues(ha);
6874 
6875 	qla2x00_unmap_iobases(ha);
6876 
6877 	pci_release_selected_regions(ha->pdev, ha->bars);
6878 	pci_disable_device(pdev);
6879 
6880 	/*
6881 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6882 	 */
6883 }
6884 
6885 /**************************************************************************
6886 * qla2x00_do_dpc
6887 *   This kernel thread is a task that is schedule by the interrupt handler
6888 *   to perform the background processing for interrupts.
6889 *
6890 * Notes:
6891 * This task always run in the context of a kernel thread.  It
6892 * is kick-off by the driver's detect code and starts up
6893 * up one per adapter. It immediately goes to sleep and waits for
6894 * some fibre event.  When either the interrupt handler or
6895 * the timer routine detects a event it will one of the task
6896 * bits then wake us up.
6897 **************************************************************************/
6898 static int
6899 qla2x00_do_dpc(void *data)
6900 {
6901 	scsi_qla_host_t *base_vha;
6902 	struct qla_hw_data *ha;
6903 	uint32_t online;
6904 	struct qla_qpair *qpair;
6905 
6906 	ha = (struct qla_hw_data *)data;
6907 	base_vha = pci_get_drvdata(ha->pdev);
6908 
6909 	set_user_nice(current, MIN_NICE);
6910 
6911 	set_current_state(TASK_INTERRUPTIBLE);
6912 	while (!kthread_should_stop()) {
6913 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6914 		    "DPC handler sleeping.\n");
6915 
6916 		schedule();
6917 
6918 		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6919 			qla_pci_set_eeh_busy(base_vha);
6920 
6921 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6922 			goto end_loop;
6923 
6924 		if (ha->flags.eeh_busy) {
6925 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6926 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6927 			goto end_loop;
6928 		}
6929 
6930 		ha->dpc_active = 1;
6931 
6932 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6933 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6934 		    base_vha->dpc_flags);
6935 
6936 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6937 			break;
6938 
6939 		if (IS_P3P_TYPE(ha)) {
6940 			if (IS_QLA8044(ha)) {
6941 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6942 					&base_vha->dpc_flags)) {
6943 					qla8044_idc_lock(ha);
6944 					qla8044_wr_direct(base_vha,
6945 						QLA8044_CRB_DEV_STATE_INDEX,
6946 						QLA8XXX_DEV_FAILED);
6947 					qla8044_idc_unlock(ha);
6948 					ql_log(ql_log_info, base_vha, 0x4004,
6949 						"HW State: FAILED.\n");
6950 					qla8044_device_state_handler(base_vha);
6951 					continue;
6952 				}
6953 
6954 			} else {
6955 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6956 					&base_vha->dpc_flags)) {
6957 					qla82xx_idc_lock(ha);
6958 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6959 						QLA8XXX_DEV_FAILED);
6960 					qla82xx_idc_unlock(ha);
6961 					ql_log(ql_log_info, base_vha, 0x0151,
6962 						"HW State: FAILED.\n");
6963 					qla82xx_device_state_handler(base_vha);
6964 					continue;
6965 				}
6966 			}
6967 
6968 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6969 				&base_vha->dpc_flags)) {
6970 
6971 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6972 				    "FCoE context reset scheduled.\n");
6973 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6974 					&base_vha->dpc_flags))) {
6975 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6976 						/* FCoE-ctx reset failed.
6977 						 * Escalate to chip-reset
6978 						 */
6979 						set_bit(ISP_ABORT_NEEDED,
6980 							&base_vha->dpc_flags);
6981 					}
6982 					clear_bit(ABORT_ISP_ACTIVE,
6983 						&base_vha->dpc_flags);
6984 				}
6985 
6986 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6987 				    "FCoE context reset end.\n");
6988 			}
6989 		} else if (IS_QLAFX00(ha)) {
6990 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6991 				&base_vha->dpc_flags)) {
6992 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6993 				    "Firmware Reset Recovery\n");
6994 				if (qlafx00_reset_initialize(base_vha)) {
6995 					/* Failed. Abort isp later. */
6996 					if (!test_bit(UNLOADING,
6997 					    &base_vha->dpc_flags)) {
6998 						set_bit(ISP_UNRECOVERABLE,
6999 						    &base_vha->dpc_flags);
7000 						ql_dbg(ql_dbg_dpc, base_vha,
7001 						    0x4021,
7002 						    "Reset Recovery Failed\n");
7003 					}
7004 				}
7005 			}
7006 
7007 			if (test_and_clear_bit(FX00_TARGET_SCAN,
7008 				&base_vha->dpc_flags)) {
7009 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
7010 				    "ISPFx00 Target Scan scheduled\n");
7011 				if (qlafx00_rescan_isp(base_vha)) {
7012 					if (!test_bit(UNLOADING,
7013 					    &base_vha->dpc_flags))
7014 						set_bit(ISP_UNRECOVERABLE,
7015 						    &base_vha->dpc_flags);
7016 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
7017 					    "ISPFx00 Target Scan Failed\n");
7018 				}
7019 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
7020 				    "ISPFx00 Target Scan End\n");
7021 			}
7022 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
7023 				&base_vha->dpc_flags)) {
7024 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
7025 				    "ISPFx00 Host Info resend scheduled\n");
7026 				qlafx00_fx_disc(base_vha,
7027 				    &base_vha->hw->mr.fcport,
7028 				    FXDISC_REG_HOST_INFO);
7029 			}
7030 		}
7031 
7032 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
7033 		    &base_vha->dpc_flags)) {
7034 			/* Semantic:
7035 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
7036 			 *             to minimize disruptions that will occur
7037 			 *             when a forced chip-reset occurs.
7038 			 *  - Force -- ISP-ABORT scheduled.
7039 			 */
7040 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
7041 		}
7042 
7043 		if (test_and_clear_bit
7044 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
7045 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
7046 			bool do_reset = true;
7047 
7048 			switch (base_vha->qlini_mode) {
7049 			case QLA2XXX_INI_MODE_ENABLED:
7050 				break;
7051 			case QLA2XXX_INI_MODE_DISABLED:
7052 				if (!qla_tgt_mode_enabled(base_vha) &&
7053 				    !ha->flags.fw_started)
7054 					do_reset = false;
7055 				break;
7056 			case QLA2XXX_INI_MODE_DUAL:
7057 				if (!qla_dual_mode_enabled(base_vha) &&
7058 				    !ha->flags.fw_started)
7059 					do_reset = false;
7060 				break;
7061 			default:
7062 				break;
7063 			}
7064 
7065 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7066 			    &base_vha->dpc_flags))) {
7067 				base_vha->flags.online = 1;
7068 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7069 				    "ISP abort scheduled.\n");
7070 				if (ha->isp_ops->abort_isp(base_vha)) {
7071 					/* failed. retry later */
7072 					set_bit(ISP_ABORT_NEEDED,
7073 					    &base_vha->dpc_flags);
7074 				}
7075 				clear_bit(ABORT_ISP_ACTIVE,
7076 						&base_vha->dpc_flags);
7077 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7078 				    "ISP abort end.\n");
7079 			}
7080 		}
7081 
7082 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7083 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7084 				qla24xx_process_purex_list
7085 					(&base_vha->purex_list);
7086 				clear_bit(PROCESS_PUREX_IOCB,
7087 				    &base_vha->dpc_flags);
7088 			}
7089 		}
7090 
7091 		if (IS_QLAFX00(ha))
7092 			goto loop_resync_check;
7093 
7094 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7095 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7096 			    "Quiescence mode scheduled.\n");
7097 			if (IS_P3P_TYPE(ha)) {
7098 				if (IS_QLA82XX(ha))
7099 					qla82xx_device_state_handler(base_vha);
7100 				if (IS_QLA8044(ha))
7101 					qla8044_device_state_handler(base_vha);
7102 				clear_bit(ISP_QUIESCE_NEEDED,
7103 				    &base_vha->dpc_flags);
7104 				if (!ha->flags.quiesce_owner) {
7105 					qla2x00_perform_loop_resync(base_vha);
7106 					if (IS_QLA82XX(ha)) {
7107 						qla82xx_idc_lock(ha);
7108 						qla82xx_clear_qsnt_ready(
7109 						    base_vha);
7110 						qla82xx_idc_unlock(ha);
7111 					} else if (IS_QLA8044(ha)) {
7112 						qla8044_idc_lock(ha);
7113 						qla8044_clear_qsnt_ready(
7114 						    base_vha);
7115 						qla8044_idc_unlock(ha);
7116 					}
7117 				}
7118 			} else {
7119 				clear_bit(ISP_QUIESCE_NEEDED,
7120 				    &base_vha->dpc_flags);
7121 				qla2x00_quiesce_io(base_vha);
7122 			}
7123 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7124 			    "Quiescence mode end.\n");
7125 		}
7126 
7127 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7128 				&base_vha->dpc_flags) &&
7129 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7130 
7131 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7132 			    "Reset marker scheduled.\n");
7133 			qla2x00_rst_aen(base_vha);
7134 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7135 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7136 			    "Reset marker end.\n");
7137 		}
7138 
7139 		/* Retry each device up to login retry count */
7140 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7141 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7142 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7143 
7144 			if (!base_vha->relogin_jif ||
7145 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7146 				base_vha->relogin_jif = jiffies + HZ;
7147 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7148 
7149 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7150 				    "Relogin scheduled.\n");
7151 				qla24xx_post_relogin_work(base_vha);
7152 			}
7153 		}
7154 loop_resync_check:
7155 		if (!qla2x00_reset_active(base_vha) &&
7156 		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
7157 		    &base_vha->dpc_flags)) {
7158 			/*
7159 			 * Allow abort_isp to complete before moving on to scanning.
7160 			 */
7161 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7162 			    "Loop resync scheduled.\n");
7163 
7164 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7165 			    &base_vha->dpc_flags))) {
7166 
7167 				qla2x00_loop_resync(base_vha);
7168 
7169 				clear_bit(LOOP_RESYNC_ACTIVE,
7170 						&base_vha->dpc_flags);
7171 			}
7172 
7173 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7174 			    "Loop resync end.\n");
7175 		}
7176 
7177 		if (IS_QLAFX00(ha))
7178 			goto intr_on_check;
7179 
7180 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7181 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7182 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7183 			qla2xxx_flash_npiv_conf(base_vha);
7184 		}
7185 
7186 intr_on_check:
7187 		if (!ha->interrupts_on)
7188 			ha->isp_ops->enable_intrs(ha);
7189 
7190 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7191 					&base_vha->dpc_flags)) {
7192 			if (ha->beacon_blink_led == 1)
7193 				ha->isp_ops->beacon_blink(base_vha);
7194 		}
7195 
7196 		/* qpair online check */
7197 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7198 		    &base_vha->dpc_flags)) {
7199 			if (ha->flags.eeh_busy ||
7200 			    ha->flags.pci_channel_io_perm_failure)
7201 				online = 0;
7202 			else
7203 				online = 1;
7204 
7205 			mutex_lock(&ha->mq_lock);
7206 			list_for_each_entry(qpair, &base_vha->qp_list,
7207 			    qp_list_elem)
7208 			qpair->online = online;
7209 			mutex_unlock(&ha->mq_lock);
7210 		}
7211 
7212 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7213 				       &base_vha->dpc_flags)) {
7214 			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7215 
7216 			if (threshold > ha->orig_fw_xcb_count)
7217 				threshold = ha->orig_fw_xcb_count;
7218 
7219 			ql_log(ql_log_info, base_vha, 0xffffff,
7220 			       "SET ZIO Activity exchange threshold to %d.\n",
7221 			       threshold);
7222 			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7223 				ql_log(ql_log_info, base_vha, 0xffffff,
7224 				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7225 				       threshold);
7226 			}
7227 		}
7228 
7229 		if (!IS_QLAFX00(ha))
7230 			qla2x00_do_dpc_all_vps(base_vha);
7231 
7232 		if (test_and_clear_bit(N2N_LINK_RESET,
7233 			&base_vha->dpc_flags)) {
7234 			qla2x00_lip_reset(base_vha);
7235 		}
7236 
7237 		ha->dpc_active = 0;
7238 end_loop:
7239 		set_current_state(TASK_INTERRUPTIBLE);
7240 	} /* End of while(1) */
7241 	__set_current_state(TASK_RUNNING);
7242 
7243 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7244 	    "DPC handler exiting.\n");
7245 
7246 	/*
7247 	 * Make sure that nobody tries to wake us up again.
7248 	 */
7249 	ha->dpc_active = 0;
7250 
7251 	/* Cleanup any residual CTX SRBs. */
7252 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7253 
7254 	return 0;
7255 }
7256 
7257 void
7258 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7259 {
7260 	struct qla_hw_data *ha = vha->hw;
7261 	struct task_struct *t = ha->dpc_thread;
7262 
7263 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7264 		wake_up_process(t);
7265 }
7266 
7267 /*
7268 *  qla2x00_rst_aen
7269 *      Processes asynchronous reset.
7270 *
7271 * Input:
7272 *      ha  = adapter block pointer.
7273 */
7274 static void
7275 qla2x00_rst_aen(scsi_qla_host_t *vha)
7276 {
7277 	if (vha->flags.online && !vha->flags.reset_active &&
7278 	    !atomic_read(&vha->loop_down_timer) &&
7279 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7280 		do {
7281 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7282 
7283 			/*
7284 			 * Issue marker command only when we are going to start
7285 			 * the I/O.
7286 			 */
7287 			vha->marker_needed = 1;
7288 		} while (!atomic_read(&vha->loop_down_timer) &&
7289 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7290 	}
7291 }
7292 
7293 static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7294 {
7295 	struct qla_hw_data *ha = vha->hw;
7296 	u32 cmpl_cnt;
7297 	u16 i;
7298 	bool do_heartbeat = false;
7299 
7300 	/*
7301 	 * Allow do_heartbeat only if we don’t have any active interrupts,
7302 	 * but there are still IOs outstanding with firmware.
7303 	 */
7304 	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7305 	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7306 	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7307 		do_heartbeat = true;
7308 		goto skip;
7309 	}
7310 	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7311 
7312 	for (i = 0; i < ha->max_qpairs; i++) {
7313 		if (ha->queue_pair_map[i]) {
7314 			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7315 			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7316 			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7317 				do_heartbeat = true;
7318 				break;
7319 			}
7320 			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7321 		}
7322 	}
7323 
7324 skip:
7325 	return do_heartbeat;
7326 }
7327 
7328 static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7329 {
7330 	struct qla_hw_data *ha = vha->hw;
7331 
7332 	if (vha->vp_idx)
7333 		return;
7334 
7335 	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7336 		return;
7337 
7338 	/*
7339 	 * dpc thread cannot run if heartbeat is running at the same time.
7340 	 * We also do not want to starve heartbeat task. Therefore, do
7341 	 * heartbeat task at least once every 5 seconds.
7342 	 */
7343 	if (dpc_started &&
7344 	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7345 		return;
7346 
7347 	if (qla_do_heartbeat(vha)) {
7348 		ha->last_heartbeat_run_jiffies = jiffies;
7349 		queue_work(ha->wq, &ha->heartbeat_work);
7350 	}
7351 }
7352 
7353 static void qla_wind_down_chip(scsi_qla_host_t *vha)
7354 {
7355 	struct qla_hw_data *ha = vha->hw;
7356 
7357 	if (!ha->flags.eeh_busy)
7358 		return;
7359 	if (ha->pci_error_state)
7360 		/* system is trying to recover */
7361 		return;
7362 
7363 	/*
7364 	 * Current system is not handling PCIE error.  At this point, this is
7365 	 * best effort to wind down the adapter.
7366 	 */
7367 	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7368 	    !ha->flags.eeh_flush) {
7369 		ql_log(ql_log_info, vha, 0x9009,
7370 		    "PCI Error detected, attempting to reset hardware.\n");
7371 
7372 		ha->isp_ops->reset_chip(vha);
7373 		ha->isp_ops->disable_intrs(ha);
7374 
7375 		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7376 		ha->eeh_jif = jiffies;
7377 
7378 	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7379 	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7380 		pci_clear_master(ha->pdev);
7381 
7382 		/* flush all command */
7383 		qla2x00_abort_isp_cleanup(vha);
7384 		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7385 
7386 		ql_log(ql_log_info, vha, 0x900a,
7387 		    "PCI Error handling complete, all IOs aborted.\n");
7388 	}
7389 }
7390 
7391 /**************************************************************************
7392 *   qla2x00_timer
7393 *
7394 * Description:
7395 *   One second timer
7396 *
7397 * Context: Interrupt
7398 ***************************************************************************/
7399 void
7400 qla2x00_timer(struct timer_list *t)
7401 {
7402 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7403 	unsigned long	cpu_flags = 0;
7404 	int		start_dpc = 0;
7405 	int		index;
7406 	srb_t		*sp;
7407 	uint16_t        w;
7408 	struct qla_hw_data *ha = vha->hw;
7409 	struct req_que *req;
7410 	unsigned long flags;
7411 	fc_port_t *fcport = NULL;
7412 
7413 	if (ha->flags.eeh_busy) {
7414 		qla_wind_down_chip(vha);
7415 
7416 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7417 		    "EEH = %d, restarting timer.\n",
7418 		    ha->flags.eeh_busy);
7419 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7420 		return;
7421 	}
7422 
7423 	/*
7424 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7425 	 * the read returns -1 then disable the board.
7426 	 */
7427 	if (!pci_channel_offline(ha->pdev)) {
7428 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7429 		qla2x00_check_reg16_for_disconnect(vha, w);
7430 	}
7431 
7432 	/* Make sure qla82xx_watchdog is run only for physical port */
7433 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7434 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7435 			start_dpc++;
7436 		if (IS_QLA82XX(ha))
7437 			qla82xx_watchdog(vha);
7438 		else if (IS_QLA8044(ha))
7439 			qla8044_watchdog(vha);
7440 	}
7441 
7442 	if (!vha->vp_idx && IS_QLAFX00(ha))
7443 		qlafx00_timer_routine(vha);
7444 
7445 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7446 		vha->link_down_time++;
7447 
7448 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7449 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7450 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7451 			fcport->tgt_link_down_time++;
7452 	}
7453 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7454 
7455 	/* Loop down handler. */
7456 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7457 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7458 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7459 		&& vha->flags.online) {
7460 
7461 		if (atomic_read(&vha->loop_down_timer) ==
7462 		    vha->loop_down_abort_time) {
7463 
7464 			ql_log(ql_log_info, vha, 0x6008,
7465 			    "Loop down - aborting the queues before time expires.\n");
7466 
7467 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7468 				atomic_set(&vha->loop_state, LOOP_DEAD);
7469 
7470 			/*
7471 			 * Schedule an ISP abort to return any FCP2-device
7472 			 * commands.
7473 			 */
7474 			/* NPIV - scan physical port only */
7475 			if (!vha->vp_idx) {
7476 				spin_lock_irqsave(&ha->hardware_lock,
7477 				    cpu_flags);
7478 				req = ha->req_q_map[0];
7479 				for (index = 1;
7480 				    index < req->num_outstanding_cmds;
7481 				    index++) {
7482 					fc_port_t *sfcp;
7483 
7484 					sp = req->outstanding_cmds[index];
7485 					if (!sp)
7486 						continue;
7487 					if (sp->cmd_type != TYPE_SRB)
7488 						continue;
7489 					if (sp->type != SRB_SCSI_CMD)
7490 						continue;
7491 					sfcp = sp->fcport;
7492 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7493 						continue;
7494 
7495 					if (IS_QLA82XX(ha))
7496 						set_bit(FCOE_CTX_RESET_NEEDED,
7497 							&vha->dpc_flags);
7498 					else
7499 						set_bit(ISP_ABORT_NEEDED,
7500 							&vha->dpc_flags);
7501 					break;
7502 				}
7503 				spin_unlock_irqrestore(&ha->hardware_lock,
7504 								cpu_flags);
7505 			}
7506 			start_dpc++;
7507 		}
7508 
7509 		/* if the loop has been down for 4 minutes, reinit adapter */
7510 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7511 			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
7512 				ql_log(ql_log_warn, vha, 0x6009,
7513 				    "Loop down - aborting ISP.\n");
7514 
7515 				if (IS_QLA82XX(ha))
7516 					set_bit(FCOE_CTX_RESET_NEEDED,
7517 						&vha->dpc_flags);
7518 				else
7519 					set_bit(ISP_ABORT_NEEDED,
7520 						&vha->dpc_flags);
7521 			}
7522 		}
7523 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7524 		    "Loop down - seconds remaining %d.\n",
7525 		    atomic_read(&vha->loop_down_timer));
7526 	}
7527 	/* Check if beacon LED needs to be blinked for physical host only */
7528 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7529 		/* There is no beacon_blink function for ISP82xx */
7530 		if (!IS_P3P_TYPE(ha)) {
7531 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7532 			start_dpc++;
7533 		}
7534 	}
7535 
7536 	/* check if edif running */
7537 	if (vha->hw->flags.edif_enabled)
7538 		qla_edif_timer(vha);
7539 
7540 	/* Process any deferred work. */
7541 	if (!list_empty(&vha->work_list)) {
7542 		unsigned long flags;
7543 		bool q = false;
7544 
7545 		spin_lock_irqsave(&vha->work_lock, flags);
7546 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7547 			q = true;
7548 		spin_unlock_irqrestore(&vha->work_lock, flags);
7549 		if (q)
7550 			queue_work(vha->hw->wq, &vha->iocb_work);
7551 	}
7552 
7553 	/*
7554 	 * FC-NVME
7555 	 * see if the active AEN count has changed from what was last reported.
7556 	 */
7557 	index = atomic_read(&ha->nvme_active_aen_cnt);
7558 	if (!vha->vp_idx &&
7559 	    (index != ha->nvme_last_rptd_aen) &&
7560 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7561 	    !ha->flags.host_shutting_down) {
7562 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7563 		ql_log(ql_log_info, vha, 0x3002,
7564 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7565 		    ha->nvme_last_rptd_aen);
7566 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7567 		start_dpc++;
7568 	}
7569 
7570 	if (!vha->vp_idx &&
7571 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7572 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7573 		ql_log(ql_log_info, vha, 0x3002,
7574 		    "Sched: Set ZIO exchange threshold to %d.\n",
7575 		    ha->last_zio_threshold);
7576 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7577 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7578 		start_dpc++;
7579 	}
7580 	qla_adjust_buf(vha);
7581 
7582 	/* borrowing w to signify dpc will run */
7583 	w = 0;
7584 	/* Schedule the DPC routine if needed */
7585 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7586 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7587 	    start_dpc ||
7588 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7589 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7590 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7591 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7592 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7593 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7594 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7595 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7596 		    "isp_abort_needed=%d loop_resync_needed=%d "
7597 		    "start_dpc=%d reset_marker_needed=%d",
7598 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7599 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7600 		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7601 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7602 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7603 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7604 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7605 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7606 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7607 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7608 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7609 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7610 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7611 		qla2xxx_wake_dpc(vha);
7612 		w = 1;
7613 	}
7614 
7615 	qla_heart_beat(vha, w);
7616 
7617 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7618 }
7619 
7620 /* Firmware interface routines. */
7621 
7622 #define FW_ISP21XX	0
7623 #define FW_ISP22XX	1
7624 #define FW_ISP2300	2
7625 #define FW_ISP2322	3
7626 #define FW_ISP24XX	4
7627 #define FW_ISP25XX	5
7628 #define FW_ISP81XX	6
7629 #define FW_ISP82XX	7
7630 #define FW_ISP2031	8
7631 #define FW_ISP8031	9
7632 #define FW_ISP27XX	10
7633 #define FW_ISP28XX	11
7634 
7635 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7636 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7637 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7638 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7639 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7640 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7641 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7642 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7643 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7644 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7645 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7646 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7647 
7648 
7649 static DEFINE_MUTEX(qla_fw_lock);
7650 
7651 static struct fw_blob qla_fw_blobs[] = {
7652 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7653 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7654 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7655 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7656 	{ .name = FW_FILE_ISP24XX, },
7657 	{ .name = FW_FILE_ISP25XX, },
7658 	{ .name = FW_FILE_ISP81XX, },
7659 	{ .name = FW_FILE_ISP82XX, },
7660 	{ .name = FW_FILE_ISP2031, },
7661 	{ .name = FW_FILE_ISP8031, },
7662 	{ .name = FW_FILE_ISP27XX, },
7663 	{ .name = FW_FILE_ISP28XX, },
7664 	{ .name = NULL, },
7665 };
7666 
7667 struct fw_blob *
7668 qla2x00_request_firmware(scsi_qla_host_t *vha)
7669 {
7670 	struct qla_hw_data *ha = vha->hw;
7671 	struct fw_blob *blob;
7672 
7673 	if (IS_QLA2100(ha)) {
7674 		blob = &qla_fw_blobs[FW_ISP21XX];
7675 	} else if (IS_QLA2200(ha)) {
7676 		blob = &qla_fw_blobs[FW_ISP22XX];
7677 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7678 		blob = &qla_fw_blobs[FW_ISP2300];
7679 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7680 		blob = &qla_fw_blobs[FW_ISP2322];
7681 	} else if (IS_QLA24XX_TYPE(ha)) {
7682 		blob = &qla_fw_blobs[FW_ISP24XX];
7683 	} else if (IS_QLA25XX(ha)) {
7684 		blob = &qla_fw_blobs[FW_ISP25XX];
7685 	} else if (IS_QLA81XX(ha)) {
7686 		blob = &qla_fw_blobs[FW_ISP81XX];
7687 	} else if (IS_QLA82XX(ha)) {
7688 		blob = &qla_fw_blobs[FW_ISP82XX];
7689 	} else if (IS_QLA2031(ha)) {
7690 		blob = &qla_fw_blobs[FW_ISP2031];
7691 	} else if (IS_QLA8031(ha)) {
7692 		blob = &qla_fw_blobs[FW_ISP8031];
7693 	} else if (IS_QLA27XX(ha)) {
7694 		blob = &qla_fw_blobs[FW_ISP27XX];
7695 	} else if (IS_QLA28XX(ha)) {
7696 		blob = &qla_fw_blobs[FW_ISP28XX];
7697 	} else {
7698 		return NULL;
7699 	}
7700 
7701 	if (!blob->name)
7702 		return NULL;
7703 
7704 	mutex_lock(&qla_fw_lock);
7705 	if (blob->fw)
7706 		goto out;
7707 
7708 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7709 		ql_log(ql_log_warn, vha, 0x0063,
7710 		    "Failed to load firmware image (%s).\n", blob->name);
7711 		blob->fw = NULL;
7712 		blob = NULL;
7713 	}
7714 
7715 out:
7716 	mutex_unlock(&qla_fw_lock);
7717 	return blob;
7718 }
7719 
7720 static void
7721 qla2x00_release_firmware(void)
7722 {
7723 	struct fw_blob *blob;
7724 
7725 	mutex_lock(&qla_fw_lock);
7726 	for (blob = qla_fw_blobs; blob->name; blob++)
7727 		release_firmware(blob->fw);
7728 	mutex_unlock(&qla_fw_lock);
7729 }
7730 
7731 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7732 {
7733 	struct qla_hw_data *ha = vha->hw;
7734 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7735 	struct qla_qpair *qpair = NULL;
7736 	struct scsi_qla_host *vp, *tvp;
7737 	fc_port_t *fcport;
7738 	int i;
7739 	unsigned long flags;
7740 
7741 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7742 	       "%s\n", __func__);
7743 	ha->chip_reset++;
7744 
7745 	ha->base_qpair->chip_reset = ha->chip_reset;
7746 	for (i = 0; i < ha->max_qpairs; i++) {
7747 		if (ha->queue_pair_map[i])
7748 			ha->queue_pair_map[i]->chip_reset =
7749 			    ha->base_qpair->chip_reset;
7750 	}
7751 
7752 	/*
7753 	 * purge mailbox might take a while. Slot Reset/chip reset
7754 	 * will take care of the purge
7755 	 */
7756 
7757 	mutex_lock(&ha->mq_lock);
7758 	ha->base_qpair->online = 0;
7759 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7760 		qpair->online = 0;
7761 	wmb();
7762 	mutex_unlock(&ha->mq_lock);
7763 
7764 	qla2x00_mark_all_devices_lost(vha);
7765 
7766 	spin_lock_irqsave(&ha->vport_slock, flags);
7767 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7768 		atomic_inc(&vp->vref_count);
7769 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7770 		qla2x00_mark_all_devices_lost(vp);
7771 		spin_lock_irqsave(&ha->vport_slock, flags);
7772 		atomic_dec(&vp->vref_count);
7773 	}
7774 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7775 
7776 	/* Clear all async request states across all VPs. */
7777 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7778 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7779 
7780 	spin_lock_irqsave(&ha->vport_slock, flags);
7781 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7782 		atomic_inc(&vp->vref_count);
7783 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7784 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7785 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7786 		spin_lock_irqsave(&ha->vport_slock, flags);
7787 		atomic_dec(&vp->vref_count);
7788 	}
7789 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7790 }
7791 
7792 
7793 static pci_ers_result_t
7794 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7795 {
7796 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7797 	struct qla_hw_data *ha = vha->hw;
7798 	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7799 
7800 	ql_log(ql_log_warn, vha, 0x9000,
7801 	       "PCI error detected, state %x.\n", state);
7802 	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7803 
7804 	if (!atomic_read(&pdev->enable_cnt)) {
7805 		ql_log(ql_log_info, vha, 0xffff,
7806 			"PCI device is disabled,state %x\n", state);
7807 		ret = PCI_ERS_RESULT_NEED_RESET;
7808 		goto out;
7809 	}
7810 
7811 	switch (state) {
7812 	case pci_channel_io_normal:
7813 		qla_pci_set_eeh_busy(vha);
7814 		if (ql2xmqsupport || ql2xnvmeenable) {
7815 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7816 			qla2xxx_wake_dpc(vha);
7817 		}
7818 		ret = PCI_ERS_RESULT_CAN_RECOVER;
7819 		break;
7820 	case pci_channel_io_frozen:
7821 		qla_pci_set_eeh_busy(vha);
7822 		ret = PCI_ERS_RESULT_NEED_RESET;
7823 		break;
7824 	case pci_channel_io_perm_failure:
7825 		ha->flags.pci_channel_io_perm_failure = 1;
7826 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7827 		if (ql2xmqsupport || ql2xnvmeenable) {
7828 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7829 			qla2xxx_wake_dpc(vha);
7830 		}
7831 		ret = PCI_ERS_RESULT_DISCONNECT;
7832 	}
7833 out:
7834 	ql_dbg(ql_dbg_aer, vha, 0x600d,
7835 	       "PCI error detected returning [%x].\n", ret);
7836 	return ret;
7837 }
7838 
7839 static pci_ers_result_t
7840 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7841 {
7842 	int risc_paused = 0;
7843 	uint32_t stat;
7844 	unsigned long flags;
7845 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7846 	struct qla_hw_data *ha = base_vha->hw;
7847 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7848 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7849 
7850 	ql_log(ql_log_warn, base_vha, 0x9000,
7851 	       "mmio enabled\n");
7852 
7853 	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7854 
7855 	if (IS_QLA82XX(ha))
7856 		return PCI_ERS_RESULT_RECOVERED;
7857 
7858 	if (qla2x00_isp_reg_stat(ha)) {
7859 		ql_log(ql_log_info, base_vha, 0x803f,
7860 		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7861 		goto out;
7862 	}
7863 
7864 	spin_lock_irqsave(&ha->hardware_lock, flags);
7865 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7866 		stat = rd_reg_word(&reg->hccr);
7867 		if (stat & HCCR_RISC_PAUSE)
7868 			risc_paused = 1;
7869 	} else if (IS_QLA23XX(ha)) {
7870 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7871 		if (stat & HSR_RISC_PAUSED)
7872 			risc_paused = 1;
7873 	} else if (IS_FWI2_CAPABLE(ha)) {
7874 		stat = rd_reg_dword(&reg24->host_status);
7875 		if (stat & HSRX_RISC_PAUSED)
7876 			risc_paused = 1;
7877 	}
7878 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7879 
7880 	if (risc_paused) {
7881 		ql_log(ql_log_info, base_vha, 0x9003,
7882 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7883 		qla2xxx_dump_fw(base_vha);
7884 	}
7885 out:
7886 	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7887 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7888 	       "mmio enabled returning.\n");
7889 	return PCI_ERS_RESULT_NEED_RESET;
7890 }
7891 
7892 static pci_ers_result_t
7893 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7894 {
7895 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7896 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7897 	struct qla_hw_data *ha = base_vha->hw;
7898 	int rc;
7899 	struct qla_qpair *qpair = NULL;
7900 
7901 	ql_log(ql_log_warn, base_vha, 0x9004,
7902 	       "Slot Reset.\n");
7903 
7904 	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7905 	/* Workaround: qla2xxx driver which access hardware earlier
7906 	 * needs error state to be pci_channel_io_online.
7907 	 * Otherwise mailbox command timesout.
7908 	 */
7909 	pdev->error_state = pci_channel_io_normal;
7910 
7911 	pci_restore_state(pdev);
7912 
7913 	/* pci_restore_state() clears the saved_state flag of the device
7914 	 * save restored state which resets saved_state flag
7915 	 */
7916 	pci_save_state(pdev);
7917 
7918 	if (ha->mem_only)
7919 		rc = pci_enable_device_mem(pdev);
7920 	else
7921 		rc = pci_enable_device(pdev);
7922 
7923 	if (rc) {
7924 		ql_log(ql_log_warn, base_vha, 0x9005,
7925 		    "Can't re-enable PCI device after reset.\n");
7926 		goto exit_slot_reset;
7927 	}
7928 
7929 
7930 	if (ha->isp_ops->pci_config(base_vha))
7931 		goto exit_slot_reset;
7932 
7933 	mutex_lock(&ha->mq_lock);
7934 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7935 		qpair->online = 1;
7936 	mutex_unlock(&ha->mq_lock);
7937 
7938 	ha->flags.eeh_busy = 0;
7939 	base_vha->flags.online = 1;
7940 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7941 	ha->isp_ops->abort_isp(base_vha);
7942 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7943 
7944 	if (qla2x00_isp_reg_stat(ha)) {
7945 		ha->flags.eeh_busy = 1;
7946 		qla_pci_error_cleanup(base_vha);
7947 		ql_log(ql_log_warn, base_vha, 0x9005,
7948 		       "Device unable to recover from PCI error.\n");
7949 	} else {
7950 		ret =  PCI_ERS_RESULT_RECOVERED;
7951 	}
7952 
7953 exit_slot_reset:
7954 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7955 	    "Slot Reset returning %x.\n", ret);
7956 
7957 	return ret;
7958 }
7959 
7960 static void
7961 qla2xxx_pci_resume(struct pci_dev *pdev)
7962 {
7963 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7964 	struct qla_hw_data *ha = base_vha->hw;
7965 	int ret;
7966 
7967 	ql_log(ql_log_warn, base_vha, 0x900f,
7968 	       "Pci Resume.\n");
7969 
7970 
7971 	ret = qla2x00_wait_for_hba_online(base_vha);
7972 	if (ret != QLA_SUCCESS) {
7973 		ql_log(ql_log_fatal, base_vha, 0x9002,
7974 		    "The device failed to resume I/O from slot/link_reset.\n");
7975 	}
7976 	ha->pci_error_state = QLA_PCI_RESUME;
7977 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7978 	       "Pci Resume returning.\n");
7979 }
7980 
7981 void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7982 {
7983 	struct qla_hw_data *ha = vha->hw;
7984 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7985 	bool do_cleanup = false;
7986 	unsigned long flags;
7987 
7988 	if (ha->flags.eeh_busy)
7989 		return;
7990 
7991 	spin_lock_irqsave(&base_vha->work_lock, flags);
7992 	if (!ha->flags.eeh_busy) {
7993 		ha->eeh_jif = jiffies;
7994 		ha->flags.eeh_flush = 0;
7995 
7996 		ha->flags.eeh_busy = 1;
7997 		do_cleanup = true;
7998 	}
7999 	spin_unlock_irqrestore(&base_vha->work_lock, flags);
8000 
8001 	if (do_cleanup)
8002 		qla_pci_error_cleanup(base_vha);
8003 }
8004 
8005 /*
8006  * this routine will schedule a task to pause IO from interrupt context
8007  * if caller sees a PCIE error event (register read = 0xf's)
8008  */
8009 void qla_schedule_eeh_work(struct scsi_qla_host *vha)
8010 {
8011 	struct qla_hw_data *ha = vha->hw;
8012 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8013 
8014 	if (ha->flags.eeh_busy)
8015 		return;
8016 
8017 	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
8018 	qla2xxx_wake_dpc(base_vha);
8019 }
8020 
8021 static void
8022 qla_pci_reset_prepare(struct pci_dev *pdev)
8023 {
8024 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8025 	struct qla_hw_data *ha = base_vha->hw;
8026 	struct qla_qpair *qpair;
8027 
8028 	ql_log(ql_log_warn, base_vha, 0xffff,
8029 	    "%s.\n", __func__);
8030 
8031 	/*
8032 	 * PCI FLR/function reset is about to reset the
8033 	 * slot. Stop the chip to stop all DMA access.
8034 	 * It is assumed that pci_reset_done will be called
8035 	 * after FLR to resume Chip operation.
8036 	 */
8037 	ha->flags.eeh_busy = 1;
8038 	mutex_lock(&ha->mq_lock);
8039 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8040 		qpair->online = 0;
8041 	mutex_unlock(&ha->mq_lock);
8042 
8043 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8044 	qla2x00_abort_isp_cleanup(base_vha);
8045 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
8046 }
8047 
8048 static void
8049 qla_pci_reset_done(struct pci_dev *pdev)
8050 {
8051 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8052 	struct qla_hw_data *ha = base_vha->hw;
8053 	struct qla_qpair *qpair;
8054 
8055 	ql_log(ql_log_warn, base_vha, 0xffff,
8056 	    "%s.\n", __func__);
8057 
8058 	/*
8059 	 * FLR just completed by PCI layer. Resume adapter
8060 	 */
8061 	ha->flags.eeh_busy = 0;
8062 	mutex_lock(&ha->mq_lock);
8063 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8064 		qpair->online = 1;
8065 	mutex_unlock(&ha->mq_lock);
8066 
8067 	base_vha->flags.online = 1;
8068 	ha->isp_ops->abort_isp(base_vha);
8069 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8070 }
8071 
8072 static void qla2xxx_map_queues(struct Scsi_Host *shost)
8073 {
8074 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8075 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8076 
8077 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8078 		blk_mq_map_queues(qmap);
8079 	else
8080 		blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
8081 }
8082 
8083 struct scsi_host_template qla2xxx_driver_template = {
8084 	.module			= THIS_MODULE,
8085 	.name			= QLA2XXX_DRIVER_NAME,
8086 	.queuecommand		= qla2xxx_queuecommand,
8087 
8088 	.eh_timed_out		= fc_eh_timed_out,
8089 	.eh_abort_handler	= qla2xxx_eh_abort,
8090 	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8091 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8092 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8093 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8094 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8095 
8096 	.slave_configure	= qla2xxx_slave_configure,
8097 
8098 	.slave_alloc		= qla2xxx_slave_alloc,
8099 	.slave_destroy		= qla2xxx_slave_destroy,
8100 	.scan_finished		= qla2xxx_scan_finished,
8101 	.scan_start		= qla2xxx_scan_start,
8102 	.change_queue_depth	= scsi_change_queue_depth,
8103 	.map_queues             = qla2xxx_map_queues,
8104 	.this_id		= -1,
8105 	.cmd_per_lun		= 3,
8106 	.sg_tablesize		= SG_ALL,
8107 
8108 	.max_sectors		= 0xFFFF,
8109 	.shost_groups		= qla2x00_host_groups,
8110 
8111 	.supported_mode		= MODE_INITIATOR,
8112 	.track_queue_depth	= 1,
8113 	.cmd_size		= sizeof(srb_t),
8114 };
8115 
8116 static const struct pci_error_handlers qla2xxx_err_handler = {
8117 	.error_detected = qla2xxx_pci_error_detected,
8118 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8119 	.slot_reset = qla2xxx_pci_slot_reset,
8120 	.resume = qla2xxx_pci_resume,
8121 	.reset_prepare = qla_pci_reset_prepare,
8122 	.reset_done = qla_pci_reset_done,
8123 };
8124 
8125 static struct pci_device_id qla2xxx_pci_tbl[] = {
8126 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8127 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8128 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8129 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8130 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8131 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8132 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8133 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8134 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8135 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8136 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8137 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8138 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8139 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8140 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8141 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8142 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8143 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8144 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8145 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8146 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8147 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8148 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8149 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8150 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8151 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8152 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8153 	{ 0 },
8154 };
8155 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8156 
8157 static struct pci_driver qla2xxx_pci_driver = {
8158 	.name		= QLA2XXX_DRIVER_NAME,
8159 	.id_table	= qla2xxx_pci_tbl,
8160 	.probe		= qla2x00_probe_one,
8161 	.remove		= qla2x00_remove_one,
8162 	.shutdown	= qla2x00_shutdown,
8163 	.err_handler	= &qla2xxx_err_handler,
8164 };
8165 
8166 static const struct file_operations apidev_fops = {
8167 	.owner = THIS_MODULE,
8168 	.llseek = noop_llseek,
8169 };
8170 
8171 /**
8172  * qla2x00_module_init - Module initialization.
8173  **/
8174 static int __init
8175 qla2x00_module_init(void)
8176 {
8177 	int ret = 0;
8178 
8179 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8180 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8181 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8182 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8183 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8184 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8185 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8186 	BUILD_BUG_ON(sizeof(request_t) != 64);
8187 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8188 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8189 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8190 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8191 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8192 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8193 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8194 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8195 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8196 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8197 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8198 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8199 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8200 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8201 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8202 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8203 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8204 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8205 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8206 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8207 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8208 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8209 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8210 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8211 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8212 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8213 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8214 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8215 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8216 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8217 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8218 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8219 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8220 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8221 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8222 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8223 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8224 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8225 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8226 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8227 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8228 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8229 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8230 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8231 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8232 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8233 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8234 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8235 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8236 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8237 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8238 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8239 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8240 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8241 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8242 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8243 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8244 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8245 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8246 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8247 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8248 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8249 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8250 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8251 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8252 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8253 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8254 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8255 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8256 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8257 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8258 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8259 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8260 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8261 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8262 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8263 
8264 	qla_trace_init();
8265 
8266 	/* Allocate cache for SRBs. */
8267 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8268 	    SLAB_HWCACHE_ALIGN, NULL);
8269 	if (srb_cachep == NULL) {
8270 		ql_log(ql_log_fatal, NULL, 0x0001,
8271 		    "Unable to allocate SRB cache...Failing load!.\n");
8272 		return -ENOMEM;
8273 	}
8274 
8275 	/* Initialize target kmem_cache and mem_pools */
8276 	ret = qlt_init();
8277 	if (ret < 0) {
8278 		goto destroy_cache;
8279 	} else if (ret > 0) {
8280 		/*
8281 		 * If initiator mode is explictly disabled by qlt_init(),
8282 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8283 		 * performing scsi_scan_target() during LOOP UP event.
8284 		 */
8285 		qla2xxx_transport_functions.disable_target_scan = 1;
8286 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8287 	}
8288 
8289 	/* Derive version string. */
8290 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8291 	if (ql2xextended_error_logging)
8292 		strcat(qla2x00_version_str, "-debug");
8293 	if (ql2xextended_error_logging == 1)
8294 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8295 
8296 	qla2xxx_transport_template =
8297 	    fc_attach_transport(&qla2xxx_transport_functions);
8298 	if (!qla2xxx_transport_template) {
8299 		ql_log(ql_log_fatal, NULL, 0x0002,
8300 		    "fc_attach_transport failed...Failing load!.\n");
8301 		ret = -ENODEV;
8302 		goto qlt_exit;
8303 	}
8304 
8305 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8306 	if (apidev_major < 0) {
8307 		ql_log(ql_log_fatal, NULL, 0x0003,
8308 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8309 	}
8310 
8311 	qla2xxx_transport_vport_template =
8312 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8313 	if (!qla2xxx_transport_vport_template) {
8314 		ql_log(ql_log_fatal, NULL, 0x0004,
8315 		    "fc_attach_transport vport failed...Failing load!.\n");
8316 		ret = -ENODEV;
8317 		goto unreg_chrdev;
8318 	}
8319 	ql_log(ql_log_info, NULL, 0x0005,
8320 	    "QLogic Fibre Channel HBA Driver: %s.\n",
8321 	    qla2x00_version_str);
8322 	ret = pci_register_driver(&qla2xxx_pci_driver);
8323 	if (ret) {
8324 		ql_log(ql_log_fatal, NULL, 0x0006,
8325 		    "pci_register_driver failed...ret=%d Failing load!.\n",
8326 		    ret);
8327 		goto release_vport_transport;
8328 	}
8329 	return ret;
8330 
8331 release_vport_transport:
8332 	fc_release_transport(qla2xxx_transport_vport_template);
8333 
8334 unreg_chrdev:
8335 	if (apidev_major >= 0)
8336 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8337 	fc_release_transport(qla2xxx_transport_template);
8338 
8339 qlt_exit:
8340 	qlt_exit();
8341 
8342 destroy_cache:
8343 	kmem_cache_destroy(srb_cachep);
8344 
8345 	qla_trace_uninit();
8346 	return ret;
8347 }
8348 
8349 /**
8350  * qla2x00_module_exit - Module cleanup.
8351  **/
8352 static void __exit
8353 qla2x00_module_exit(void)
8354 {
8355 	pci_unregister_driver(&qla2xxx_pci_driver);
8356 	qla2x00_release_firmware();
8357 	kmem_cache_destroy(ctx_cachep);
8358 	fc_release_transport(qla2xxx_transport_vport_template);
8359 	if (apidev_major >= 0)
8360 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8361 	fc_release_transport(qla2xxx_transport_template);
8362 	qlt_exit();
8363 	kmem_cache_destroy(srb_cachep);
8364 	qla_trace_uninit();
8365 }
8366 
8367 module_init(qla2x00_module_init);
8368 module_exit(qla2x00_module_exit);
8369 
8370 MODULE_AUTHOR("QLogic Corporation");
8371 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8372 MODULE_LICENSE("GPL");
8373 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8374 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8375 MODULE_FIRMWARE(FW_FILE_ISP2300);
8376 MODULE_FIRMWARE(FW_FILE_ISP2322);
8377 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8378 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8379