xref: /linux/drivers/scsi/qla2xxx/qla_os.c (revision be54f8c558027a218423134dd9b8c7c46d92204a)
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/refcount.h>
17 #include <linux/crash_dump.h>
18 #include <linux/trace_events.h>
19 #include <linux/trace.h>
20 
21 #include <scsi/scsi_tcq.h>
22 #include <scsi/scsicam.h>
23 #include <scsi/scsi_transport.h>
24 #include <scsi/scsi_transport_fc.h>
25 
26 #include "qla_target.h"
27 
28 /*
29  * Driver version
30  */
31 char qla2x00_version_str[40];
32 
33 static int apidev_major;
34 
35 /*
36  * SRB allocation cache
37  */
38 struct kmem_cache *srb_cachep;
39 
40 static struct trace_array *qla_trc_array;
41 
42 int ql2xfulldump_on_mpifail;
43 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
44 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
45 		 "Set this to take full dump on MPI hang.");
46 
47 int ql2xenforce_iocb_limit = 2;
48 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
49 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
50 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 2) "
51 		 "1: track usage per queue, 2: track usage per adapter");
52 
53 /*
54  * CT6 CTX allocation cache
55  */
56 static struct kmem_cache *ctx_cachep;
57 /*
58  * error level for logging
59  */
60 uint ql_errlev = 0x8001;
61 
62 int ql2xsecenable;
63 module_param(ql2xsecenable, int, S_IRUGO);
64 MODULE_PARM_DESC(ql2xsecenable,
65 	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
66 
67 static int ql2xenableclass2;
68 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
69 MODULE_PARM_DESC(ql2xenableclass2,
70 		"Specify if Class 2 operations are supported from the very "
71 		"beginning. Default is 0 - class 2 not supported.");
72 
73 
74 int ql2xlogintimeout = 20;
75 module_param(ql2xlogintimeout, int, S_IRUGO);
76 MODULE_PARM_DESC(ql2xlogintimeout,
77 		"Login timeout value in seconds.");
78 
79 int qlport_down_retry;
80 module_param(qlport_down_retry, int, S_IRUGO);
81 MODULE_PARM_DESC(qlport_down_retry,
82 		"Maximum number of command retries to a port that returns "
83 		"a PORT-DOWN status.");
84 
85 int ql2xplogiabsentdevice;
86 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
87 MODULE_PARM_DESC(ql2xplogiabsentdevice,
88 		"Option to enable PLOGI to devices that are not present after "
89 		"a Fabric scan.  This is needed for several broken switches. "
90 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
91 
92 int ql2xloginretrycount;
93 module_param(ql2xloginretrycount, int, S_IRUGO);
94 MODULE_PARM_DESC(ql2xloginretrycount,
95 		"Specify an alternate value for the NVRAM login retry count.");
96 
97 int ql2xallocfwdump = 1;
98 module_param(ql2xallocfwdump, int, S_IRUGO);
99 MODULE_PARM_DESC(ql2xallocfwdump,
100 		"Option to enable allocation of memory for a firmware dump "
101 		"during HBA initialization.  Memory allocation requirements "
102 		"vary by ISP type.  Default is 1 - allocate memory.");
103 
104 int ql2xextended_error_logging;
105 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
106 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
107 MODULE_PARM_DESC(ql2xextended_error_logging,
108 		"Option to enable extended error logging,\n"
109 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
110 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
111 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
112 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
113 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
114 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
115 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
116 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
117 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
118 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
119 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
120 		"\t\t0x1e400000 - Preferred value for capturing essential "
121 		"debug information (equivalent to old "
122 		"ql2xextended_error_logging=1).\n"
123 		"\t\tDo LOGICAL OR of the value to enable more than one level");
124 
125 int ql2xextended_error_logging_ktrace = 1;
126 module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
127 MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
128 		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
129 
130 int ql2xshiftctondsd = 6;
131 module_param(ql2xshiftctondsd, int, S_IRUGO);
132 MODULE_PARM_DESC(ql2xshiftctondsd,
133 		"Set to control shifting of command type processing "
134 		"based on total number of SG elements.");
135 
136 int ql2xfdmienable = 1;
137 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
138 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
139 MODULE_PARM_DESC(ql2xfdmienable,
140 		"Enables FDMI registrations. "
141 		"0 - no FDMI registrations. "
142 		"1 - provide FDMI registrations (default).");
143 
144 #define MAX_Q_DEPTH	64
145 static int ql2xmaxqdepth = MAX_Q_DEPTH;
146 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
147 MODULE_PARM_DESC(ql2xmaxqdepth,
148 		"Maximum queue depth to set for each LUN. "
149 		"Default is 64.");
150 
151 int ql2xenabledif = 2;
152 module_param(ql2xenabledif, int, S_IRUGO);
153 MODULE_PARM_DESC(ql2xenabledif,
154 		" Enable T10-CRC-DIF:\n"
155 		" Default is 2.\n"
156 		"  0 -- No DIF Support\n"
157 		"  1 -- Enable DIF for all types\n"
158 		"  2 -- Enable DIF for all types, except Type 0.\n");
159 
160 #if (IS_ENABLED(CONFIG_NVME_FC))
161 int ql2xnvmeenable = 1;
162 #else
163 int ql2xnvmeenable;
164 #endif
165 module_param(ql2xnvmeenable, int, 0644);
166 MODULE_PARM_DESC(ql2xnvmeenable,
167     "Enables NVME support. "
168     "0 - no NVMe.  Default is Y");
169 
170 int ql2xenablehba_err_chk = 2;
171 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
172 MODULE_PARM_DESC(ql2xenablehba_err_chk,
173 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
174 		" Default is 2.\n"
175 		"  0 -- Error isolation disabled\n"
176 		"  1 -- Error isolation enabled only for DIX Type 0\n"
177 		"  2 -- Error isolation enabled for all Types\n");
178 
179 int ql2xmqsupport = 1;
180 module_param(ql2xmqsupport, int, S_IRUGO);
181 MODULE_PARM_DESC(ql2xmqsupport,
182 		"Enable on demand multiple queue pairs support "
183 		"Default is 1 for supported. "
184 		"Set it to 0 to turn off mq qpair support.");
185 
186 int ql2xfwloadbin;
187 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
188 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
189 MODULE_PARM_DESC(ql2xfwloadbin,
190 		"Option to specify location from which to load ISP firmware:.\n"
191 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
192 		"      interface.\n"
193 		" 1 -- load firmware from flash.\n"
194 		" 0 -- use default semantics.\n");
195 
196 int ql2xdbwr = 1;
197 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
198 MODULE_PARM_DESC(ql2xdbwr,
199 		"Option to specify scheme for request queue posting.\n"
200 		" 0 -- Regular doorbell.\n"
201 		" 1 -- CAMRAM doorbell (faster).\n");
202 
203 int ql2xgffidenable;
204 module_param(ql2xgffidenable, int, S_IRUGO);
205 MODULE_PARM_DESC(ql2xgffidenable,
206 		"Enables GFF_ID checks of port type. "
207 		"Default is 0 - Do not use GFF_ID information.");
208 
209 int ql2xasynctmfenable = 1;
210 module_param(ql2xasynctmfenable, int, S_IRUGO);
211 MODULE_PARM_DESC(ql2xasynctmfenable,
212 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
213 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
214 
215 int ql2xdontresethba;
216 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
217 MODULE_PARM_DESC(ql2xdontresethba,
218 		"Option to specify reset behaviour.\n"
219 		" 0 (Default) -- Reset on failure.\n"
220 		" 1 -- Do not reset on failure.\n");
221 
222 uint64_t ql2xmaxlun = MAX_LUNS;
223 module_param(ql2xmaxlun, ullong, S_IRUGO);
224 MODULE_PARM_DESC(ql2xmaxlun,
225 		"Defines the maximum LU number to register with the SCSI "
226 		"midlayer. Default is 65535.");
227 
228 int ql2xmdcapmask = 0x1F;
229 module_param(ql2xmdcapmask, int, S_IRUGO);
230 MODULE_PARM_DESC(ql2xmdcapmask,
231 		"Set the Minidump driver capture mask level. "
232 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
233 
234 int ql2xmdenable = 1;
235 module_param(ql2xmdenable, int, S_IRUGO);
236 MODULE_PARM_DESC(ql2xmdenable,
237 		"Enable/disable MiniDump. "
238 		"0 - MiniDump disabled. "
239 		"1 (Default) - MiniDump enabled.");
240 
241 int ql2xexlogins;
242 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
243 MODULE_PARM_DESC(ql2xexlogins,
244 		 "Number of extended Logins. "
245 		 "0 (Default)- Disabled.");
246 
247 int ql2xexchoffld = 1024;
248 module_param(ql2xexchoffld, uint, 0644);
249 MODULE_PARM_DESC(ql2xexchoffld,
250 	"Number of target exchanges.");
251 
252 int ql2xiniexchg = 1024;
253 module_param(ql2xiniexchg, uint, 0644);
254 MODULE_PARM_DESC(ql2xiniexchg,
255 	"Number of initiator exchanges.");
256 
257 int ql2xfwholdabts;
258 module_param(ql2xfwholdabts, int, S_IRUGO);
259 MODULE_PARM_DESC(ql2xfwholdabts,
260 		"Allow FW to hold status IOCB until ABTS rsp received. "
261 		"0 (Default) Do not set fw option. "
262 		"1 - Set fw option to hold ABTS.");
263 
264 int ql2xmvasynctoatio = 1;
265 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
266 MODULE_PARM_DESC(ql2xmvasynctoatio,
267 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
268 		"0 (Default). Do not move IOCBs"
269 		"1 - Move IOCBs.");
270 
271 int ql2xautodetectsfp = 1;
272 module_param(ql2xautodetectsfp, int, 0444);
273 MODULE_PARM_DESC(ql2xautodetectsfp,
274 		 "Detect SFP range and set appropriate distance.\n"
275 		 "1 (Default): Enable\n");
276 
277 int ql2xenablemsix = 1;
278 module_param(ql2xenablemsix, int, 0444);
279 MODULE_PARM_DESC(ql2xenablemsix,
280 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
281 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
282 		 " 0 -- enable traditional pin-based mechanism.\n"
283 		 " 1 -- enable MSI-X interrupt mechanism.\n"
284 		 " 2 -- enable MSI interrupt mechanism.\n");
285 
286 int qla2xuseresexchforels;
287 module_param(qla2xuseresexchforels, int, 0444);
288 MODULE_PARM_DESC(qla2xuseresexchforels,
289 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
290 		 " 0 (default): disabled");
291 
292 static int ql2xprotmask;
293 module_param(ql2xprotmask, int, 0644);
294 MODULE_PARM_DESC(ql2xprotmask,
295 		 "Override DIF/DIX protection capabilities mask\n"
296 		 "Default is 0 which sets protection mask based on "
297 		 "capabilities reported by HBA firmware.\n");
298 
299 static int ql2xprotguard;
300 module_param(ql2xprotguard, int, 0644);
301 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
302 		 "  0 -- Let HBA firmware decide\n"
303 		 "  1 -- Force T10 CRC\n"
304 		 "  2 -- Force IP checksum\n");
305 
306 int ql2xdifbundlinginternalbuffers;
307 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
308 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
309     "Force using internal buffers for DIF information\n"
310     "0 (Default). Based on check.\n"
311     "1 Force using internal buffers\n");
312 
313 int ql2xsmartsan;
314 module_param(ql2xsmartsan, int, 0444);
315 module_param_named(smartsan, ql2xsmartsan, int, 0444);
316 MODULE_PARM_DESC(ql2xsmartsan,
317 		"Send SmartSAN Management Attributes for FDMI Registration."
318 		" Default is 0 - No SmartSAN registration,"
319 		" 1 - Register SmartSAN Management Attributes.");
320 
321 int ql2xrdpenable;
322 module_param(ql2xrdpenable, int, 0444);
323 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
324 MODULE_PARM_DESC(ql2xrdpenable,
325 		"Enables RDP responses. "
326 		"0 - no RDP responses (default). "
327 		"1 - provide RDP responses.");
328 int ql2xabts_wait_nvme = 1;
329 module_param(ql2xabts_wait_nvme, int, 0444);
330 MODULE_PARM_DESC(ql2xabts_wait_nvme,
331 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
332 
333 
334 static u32 ql2xdelay_before_pci_error_handling = 5;
335 module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
336 MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
337 	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
338 
339 static void qla2x00_clear_drv_active(struct qla_hw_data *);
340 static void qla2x00_free_device(scsi_qla_host_t *);
341 static void qla2xxx_map_queues(struct Scsi_Host *shost);
342 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
343 
344 u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
345 module_param(ql2xnvme_queues, uint, S_IRUGO);
346 MODULE_PARM_DESC(ql2xnvme_queues,
347 	"Number of NVMe Queues that can be configured.\n"
348 	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
349 	"1 - Minimum number of queues supported\n"
350 	"8 - Default value");
351 
352 int ql2xfc2target = 1;
353 module_param(ql2xfc2target, int, 0444);
354 MODULE_PARM_DESC(qla2xfc2target,
355 		  "Enables FC2 Target support. "
356 		  "0 - FC2 Target support is disabled. "
357 		  "1 - FC2 Target support is enabled (default).");
358 
359 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
360 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
361 
362 /* TODO Convert to inlines
363  *
364  * Timer routines
365  */
366 
367 __inline__ void
qla2x00_start_timer(scsi_qla_host_t * vha,unsigned long interval)368 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
369 {
370 	timer_setup(&vha->timer, qla2x00_timer, 0);
371 	vha->timer.expires = jiffies + interval * HZ;
372 	add_timer(&vha->timer);
373 	vha->timer_active = 1;
374 }
375 
376 static inline void
qla2x00_restart_timer(scsi_qla_host_t * vha,unsigned long interval)377 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
378 {
379 	/* Currently used for 82XX only. */
380 	if (vha->device_flags & DFLG_DEV_FAILED) {
381 		ql_dbg(ql_dbg_timer, vha, 0x600d,
382 		    "Device in a failed state, returning.\n");
383 		return;
384 	}
385 
386 	mod_timer(&vha->timer, jiffies + interval * HZ);
387 }
388 
389 static __inline__ void
qla2x00_stop_timer(scsi_qla_host_t * vha)390 qla2x00_stop_timer(scsi_qla_host_t *vha)
391 {
392 	timer_delete_sync(&vha->timer);
393 	vha->timer_active = 0;
394 }
395 
396 static int qla2x00_do_dpc(void *data);
397 
398 static void qla2x00_rst_aen(scsi_qla_host_t *);
399 
400 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
401 	struct req_que **, struct rsp_que **);
402 static void qla2x00_free_fw_dump(struct qla_hw_data *);
403 static void qla2x00_mem_free(struct qla_hw_data *);
404 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
405 	struct qla_qpair *qpair);
406 
407 /* -------------------------------------------------------------------------- */
qla_init_base_qpair(struct scsi_qla_host * vha,struct req_que * req,struct rsp_que * rsp)408 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
409     struct rsp_que *rsp)
410 {
411 	struct qla_hw_data *ha = vha->hw;
412 
413 	rsp->qpair = ha->base_qpair;
414 	rsp->req = req;
415 	ha->base_qpair->hw = ha;
416 	ha->base_qpair->req = req;
417 	ha->base_qpair->rsp = rsp;
418 	ha->base_qpair->vha = vha;
419 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
420 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
421 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
422 	ha->base_qpair->srb_mempool = ha->srb_mempool;
423 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
424 	INIT_LIST_HEAD(&ha->base_qpair->dsd_list);
425 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
426 	/* init qpair to this cpu. Will adjust at run time. */
427 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
428 	ha->base_qpair->pdev = ha->pdev;
429 
430 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
431 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
432 }
433 
qla2x00_alloc_queues(struct qla_hw_data * ha,struct req_que * req,struct rsp_que * rsp)434 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
435 				struct rsp_que *rsp)
436 {
437 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
438 
439 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
440 				GFP_KERNEL);
441 	if (!ha->req_q_map) {
442 		ql_log(ql_log_fatal, vha, 0x003b,
443 		    "Unable to allocate memory for request queue ptrs.\n");
444 		goto fail_req_map;
445 	}
446 
447 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
448 				GFP_KERNEL);
449 	if (!ha->rsp_q_map) {
450 		ql_log(ql_log_fatal, vha, 0x003c,
451 		    "Unable to allocate memory for response queue ptrs.\n");
452 		goto fail_rsp_map;
453 	}
454 
455 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
456 	if (ha->base_qpair == NULL) {
457 		ql_log(ql_log_warn, vha, 0x00e0,
458 		    "Failed to allocate base queue pair memory.\n");
459 		goto fail_base_qpair;
460 	}
461 
462 	qla_init_base_qpair(vha, req, rsp);
463 
464 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
465 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
466 			GFP_KERNEL);
467 		if (!ha->queue_pair_map) {
468 			ql_log(ql_log_fatal, vha, 0x0180,
469 			    "Unable to allocate memory for queue pair ptrs.\n");
470 			goto fail_qpair_map;
471 		}
472 		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
473 			kfree(ha->queue_pair_map);
474 			ha->queue_pair_map = NULL;
475 			goto fail_qpair_map;
476 		}
477 	}
478 
479 	/*
480 	 * Make sure we record at least the request and response queue zero in
481 	 * case we need to free them if part of the probe fails.
482 	 */
483 	ha->rsp_q_map[0] = rsp;
484 	ha->req_q_map[0] = req;
485 	set_bit(0, ha->rsp_qid_map);
486 	set_bit(0, ha->req_qid_map);
487 	return 0;
488 
489 fail_qpair_map:
490 	kfree(ha->base_qpair);
491 	ha->base_qpair = NULL;
492 fail_base_qpair:
493 	kfree(ha->rsp_q_map);
494 	ha->rsp_q_map = NULL;
495 fail_rsp_map:
496 	kfree(ha->req_q_map);
497 	ha->req_q_map = NULL;
498 fail_req_map:
499 	return -ENOMEM;
500 }
501 
qla2x00_free_req_que(struct qla_hw_data * ha,struct req_que * req)502 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
503 {
504 	if (IS_QLAFX00(ha)) {
505 		if (req && req->ring_fx00)
506 			dma_free_coherent(&ha->pdev->dev,
507 			    (req->length_fx00 + 1) * sizeof(request_t),
508 			    req->ring_fx00, req->dma_fx00);
509 	} else if (req && req->ring)
510 		dma_free_coherent(&ha->pdev->dev,
511 		(req->length + 1) * sizeof(request_t),
512 		req->ring, req->dma);
513 
514 	if (req)
515 		kfree(req->outstanding_cmds);
516 
517 	kfree(req);
518 }
519 
qla2x00_free_rsp_que(struct qla_hw_data * ha,struct rsp_que * rsp)520 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
521 {
522 	if (IS_QLAFX00(ha)) {
523 		if (rsp && rsp->ring_fx00)
524 			dma_free_coherent(&ha->pdev->dev,
525 			    (rsp->length_fx00 + 1) * sizeof(request_t),
526 			    rsp->ring_fx00, rsp->dma_fx00);
527 	} else if (rsp && rsp->ring) {
528 		dma_free_coherent(&ha->pdev->dev,
529 		(rsp->length + 1) * sizeof(response_t),
530 		rsp->ring, rsp->dma);
531 	}
532 	kfree(rsp);
533 }
534 
qla2x00_free_queues(struct qla_hw_data * ha)535 static void qla2x00_free_queues(struct qla_hw_data *ha)
536 {
537 	struct req_que *req;
538 	struct rsp_que *rsp;
539 	int cnt;
540 	unsigned long flags;
541 
542 	if (ha->queue_pair_map) {
543 		kfree(ha->queue_pair_map);
544 		ha->queue_pair_map = NULL;
545 	}
546 	if (ha->base_qpair) {
547 		kfree(ha->base_qpair);
548 		ha->base_qpair = NULL;
549 	}
550 
551 	qla_mapq_free_qp_cpu_map(ha);
552 	spin_lock_irqsave(&ha->hardware_lock, flags);
553 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
554 		if (!test_bit(cnt, ha->req_qid_map))
555 			continue;
556 
557 		req = ha->req_q_map[cnt];
558 		clear_bit(cnt, ha->req_qid_map);
559 		ha->req_q_map[cnt] = NULL;
560 
561 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
562 		qla2x00_free_req_que(ha, req);
563 		spin_lock_irqsave(&ha->hardware_lock, flags);
564 	}
565 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
566 
567 	kfree(ha->req_q_map);
568 	ha->req_q_map = NULL;
569 
570 
571 	spin_lock_irqsave(&ha->hardware_lock, flags);
572 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
573 		if (!test_bit(cnt, ha->rsp_qid_map))
574 			continue;
575 
576 		rsp = ha->rsp_q_map[cnt];
577 		clear_bit(cnt, ha->rsp_qid_map);
578 		ha->rsp_q_map[cnt] =  NULL;
579 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
580 		qla2x00_free_rsp_que(ha, rsp);
581 		spin_lock_irqsave(&ha->hardware_lock, flags);
582 	}
583 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
584 
585 	kfree(ha->rsp_q_map);
586 	ha->rsp_q_map = NULL;
587 }
588 
589 static char *
qla2x00_pci_info_str(struct scsi_qla_host * vha,char * str,size_t str_len)590 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
591 {
592 	struct qla_hw_data *ha = vha->hw;
593 	static const char *const pci_bus_modes[] = {
594 		"33", "66", "100", "133",
595 	};
596 	uint16_t pci_bus;
597 
598 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
599 	if (pci_bus) {
600 		snprintf(str, str_len, "PCI-X (%s MHz)",
601 			 pci_bus_modes[pci_bus]);
602 	} else {
603 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
604 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
605 	}
606 
607 	return str;
608 }
609 
610 static char *
qla24xx_pci_info_str(struct scsi_qla_host * vha,char * str,size_t str_len)611 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
612 {
613 	static const char *const pci_bus_modes[] = {
614 		"33", "66", "100", "133",
615 	};
616 	struct qla_hw_data *ha = vha->hw;
617 	uint32_t pci_bus;
618 
619 	if (pci_is_pcie(ha->pdev)) {
620 		uint32_t lstat, lspeed, lwidth;
621 		const char *speed_str;
622 
623 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
624 		lspeed = FIELD_GET(PCI_EXP_LNKCAP_SLS, lstat);
625 		lwidth = FIELD_GET(PCI_EXP_LNKCAP_MLW, lstat);
626 
627 		switch (lspeed) {
628 		case 1:
629 			speed_str = "2.5GT/s";
630 			break;
631 		case 2:
632 			speed_str = "5.0GT/s";
633 			break;
634 		case 3:
635 			speed_str = "8.0GT/s";
636 			break;
637 		case 4:
638 			speed_str = "16.0GT/s";
639 			break;
640 		default:
641 			speed_str = "<unknown>";
642 			break;
643 		}
644 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
645 
646 		return str;
647 	}
648 
649 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
650 	if (pci_bus == 0 || pci_bus == 8)
651 		snprintf(str, str_len, "PCI (%s MHz)",
652 			 pci_bus_modes[pci_bus >> 3]);
653 	else
654 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
655 			 pci_bus & 4 ? 2 : 1,
656 			 pci_bus_modes[pci_bus & 3]);
657 
658 	return str;
659 }
660 
661 static char *
qla2x00_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)662 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
663 {
664 	char un_str[10];
665 	struct qla_hw_data *ha = vha->hw;
666 
667 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
668 	    ha->fw_minor_version, ha->fw_subminor_version);
669 
670 	if (ha->fw_attributes & BIT_9) {
671 		strcat(str, "FLX");
672 		return (str);
673 	}
674 
675 	switch (ha->fw_attributes & 0xFF) {
676 	case 0x7:
677 		strcat(str, "EF");
678 		break;
679 	case 0x17:
680 		strcat(str, "TP");
681 		break;
682 	case 0x37:
683 		strcat(str, "IP");
684 		break;
685 	case 0x77:
686 		strcat(str, "VI");
687 		break;
688 	default:
689 		sprintf(un_str, "(%x)", ha->fw_attributes);
690 		strcat(str, un_str);
691 		break;
692 	}
693 	if (ha->fw_attributes & 0x100)
694 		strcat(str, "X");
695 
696 	return (str);
697 }
698 
699 static char *
qla24xx_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)700 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
701 {
702 	struct qla_hw_data *ha = vha->hw;
703 
704 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
705 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
706 	return str;
707 }
708 
qla2x00_sp_free_dma(srb_t * sp)709 void qla2x00_sp_free_dma(srb_t *sp)
710 {
711 	struct qla_hw_data *ha = sp->vha->hw;
712 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
713 
714 	if (sp->flags & SRB_DMA_VALID) {
715 		scsi_dma_unmap(cmd);
716 		sp->flags &= ~SRB_DMA_VALID;
717 	}
718 
719 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
720 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
721 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
722 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
723 	}
724 
725 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
726 		/* List assured to be having elements */
727 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
728 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
729 	}
730 
731 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
732 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
733 
734 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
735 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
736 	}
737 
738 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
739 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
740 
741 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
742 		    ctx1->fcp_cmnd_dma);
743 		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
744 		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
745 		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
746 	}
747 
748 	if (sp->flags & SRB_GOT_BUF)
749 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
750 }
751 
qla2x00_sp_compl(srb_t * sp,int res)752 void qla2x00_sp_compl(srb_t *sp, int res)
753 {
754 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
755 	struct completion *comp = sp->comp;
756 
757 	/* kref: INIT */
758 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
759 	cmd->result = res;
760 	sp->type = 0;
761 	scsi_done(cmd);
762 	if (comp)
763 		complete(comp);
764 }
765 
qla2xxx_qpair_sp_free_dma(srb_t * sp)766 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
767 {
768 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
769 	struct qla_hw_data *ha = sp->fcport->vha->hw;
770 
771 	if (sp->flags & SRB_DMA_VALID) {
772 		scsi_dma_unmap(cmd);
773 		sp->flags &= ~SRB_DMA_VALID;
774 	}
775 
776 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
777 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
778 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
779 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
780 	}
781 
782 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
783 		/* List assured to be having elements */
784 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
785 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
786 	}
787 
788 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
789 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
790 		struct dsd_dma *dif_dsd, *nxt_dsd;
791 
792 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
793 		    &difctx->ldif_dma_hndl_list, list) {
794 			list_del(&dif_dsd->list);
795 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
796 			    dif_dsd->dsd_list_dma);
797 			kfree(dif_dsd);
798 			difctx->no_dif_bundl--;
799 		}
800 
801 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
802 		    &difctx->ldif_dsd_list, list) {
803 			list_del(&dif_dsd->list);
804 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
805 			    dif_dsd->dsd_list_dma);
806 			kfree(dif_dsd);
807 			difctx->no_ldif_dsd--;
808 		}
809 
810 		if (difctx->no_ldif_dsd) {
811 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
812 			    "%s: difctx->no_ldif_dsd=%x\n",
813 			    __func__, difctx->no_ldif_dsd);
814 		}
815 
816 		if (difctx->no_dif_bundl) {
817 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
818 			    "%s: difctx->no_dif_bundl=%x\n",
819 			    __func__, difctx->no_dif_bundl);
820 		}
821 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
822 	}
823 
824 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
825 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
826 
827 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
828 		    ctx1->fcp_cmnd_dma);
829 		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
830 		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
831 		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
832 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
833 	}
834 
835 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
836 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
837 
838 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
839 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
840 	}
841 
842 	if (sp->flags & SRB_GOT_BUF)
843 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
844 }
845 
qla2xxx_qpair_sp_compl(srb_t * sp,int res)846 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
847 {
848 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
849 	struct completion *comp = sp->comp;
850 
851 	/* ref: INIT */
852 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
853 	cmd->result = res;
854 	sp->type = 0;
855 	scsi_done(cmd);
856 	if (comp)
857 		complete(comp);
858 }
859 
860 static int
qla2xxx_queuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd)861 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
862 {
863 	scsi_qla_host_t *vha = shost_priv(host);
864 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
865 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
866 	struct qla_hw_data *ha = vha->hw;
867 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
868 	srb_t *sp;
869 	int rval;
870 
871 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
872 	    WARN_ON_ONCE(!rport)) {
873 		cmd->result = DID_NO_CONNECT << 16;
874 		goto qc24_fail_command;
875 	}
876 
877 	if (ha->mqenable) {
878 		uint32_t tag;
879 		uint16_t hwq;
880 		struct qla_qpair *qpair = NULL;
881 
882 		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
883 		hwq = blk_mq_unique_tag_to_hwq(tag);
884 		qpair = ha->queue_pair_map[hwq];
885 
886 		if (qpair)
887 			return qla2xxx_mqueuecommand(host, cmd, qpair);
888 	}
889 
890 	if (ha->flags.eeh_busy) {
891 		if (ha->flags.pci_channel_io_perm_failure) {
892 			ql_dbg(ql_dbg_aer, vha, 0x9010,
893 			    "PCI Channel IO permanent failure, exiting "
894 			    "cmd=%p.\n", cmd);
895 			cmd->result = DID_NO_CONNECT << 16;
896 		} else {
897 			ql_dbg(ql_dbg_aer, vha, 0x9011,
898 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
899 			cmd->result = DID_REQUEUE << 16;
900 		}
901 		goto qc24_fail_command;
902 	}
903 
904 	rval = fc_remote_port_chkready(rport);
905 	if (rval) {
906 		cmd->result = rval;
907 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
908 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
909 		    cmd, rval);
910 		goto qc24_fail_command;
911 	}
912 
913 	if (!vha->flags.difdix_supported &&
914 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
915 			ql_dbg(ql_dbg_io, vha, 0x3004,
916 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
917 			    cmd);
918 			cmd->result = DID_NO_CONNECT << 16;
919 			goto qc24_fail_command;
920 	}
921 
922 	if (!fcport || fcport->deleted) {
923 		cmd->result = DID_IMM_RETRY << 16;
924 		goto qc24_fail_command;
925 	}
926 
927 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
928 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
929 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
930 			ql_dbg(ql_dbg_io, vha, 0x3005,
931 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
932 			    atomic_read(&fcport->state),
933 			    atomic_read(&base_vha->loop_state));
934 			cmd->result = DID_NO_CONNECT << 16;
935 			goto qc24_fail_command;
936 		}
937 		goto qc24_target_busy;
938 	}
939 
940 	/*
941 	 * Return target busy if we've received a non-zero retry_delay_timer
942 	 * in a FCP_RSP.
943 	 */
944 	if (fcport->retry_delay_timestamp == 0) {
945 		/* retry delay not set */
946 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
947 		fcport->retry_delay_timestamp = 0;
948 	else
949 		goto qc24_target_busy;
950 
951 	sp = scsi_cmd_priv(cmd);
952 	/* ref: INIT */
953 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
954 
955 	sp->u.scmd.cmd = cmd;
956 	sp->type = SRB_SCSI_CMD;
957 	sp->free = qla2x00_sp_free_dma;
958 	sp->done = qla2x00_sp_compl;
959 
960 	rval = ha->isp_ops->start_scsi(sp);
961 	if (rval != QLA_SUCCESS) {
962 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
963 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
964 		goto qc24_host_busy_free_sp;
965 	}
966 
967 	return 0;
968 
969 qc24_host_busy_free_sp:
970 	/* ref: INIT */
971 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
972 
973 qc24_target_busy:
974 	return SCSI_MLQUEUE_TARGET_BUSY;
975 
976 qc24_fail_command:
977 	scsi_done(cmd);
978 
979 	return 0;
980 }
981 
982 /* For MQ supported I/O */
983 int
qla2xxx_mqueuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd,struct qla_qpair * qpair)984 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
985     struct qla_qpair *qpair)
986 {
987 	scsi_qla_host_t *vha = shost_priv(host);
988 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
989 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
990 	struct qla_hw_data *ha = vha->hw;
991 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
992 	srb_t *sp;
993 	int rval;
994 
995 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
996 	if (rval) {
997 		cmd->result = rval;
998 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
999 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
1000 		    cmd, rval);
1001 		goto qc24_fail_command;
1002 	}
1003 
1004 	if (!qpair->online) {
1005 		ql_dbg(ql_dbg_io, vha, 0x3077,
1006 		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1007 		cmd->result = DID_NO_CONNECT << 16;
1008 		goto qc24_fail_command;
1009 	}
1010 
1011 	if (!fcport || fcport->deleted) {
1012 		cmd->result = DID_IMM_RETRY << 16;
1013 		goto qc24_fail_command;
1014 	}
1015 
1016 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1017 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1018 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1019 			ql_dbg(ql_dbg_io, vha, 0x3077,
1020 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1021 			    atomic_read(&fcport->state),
1022 			    atomic_read(&base_vha->loop_state));
1023 			cmd->result = DID_NO_CONNECT << 16;
1024 			goto qc24_fail_command;
1025 		}
1026 		goto qc24_target_busy;
1027 	}
1028 
1029 	/*
1030 	 * Return target busy if we've received a non-zero retry_delay_timer
1031 	 * in a FCP_RSP.
1032 	 */
1033 	if (fcport->retry_delay_timestamp == 0) {
1034 		/* retry delay not set */
1035 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1036 		fcport->retry_delay_timestamp = 0;
1037 	else
1038 		goto qc24_target_busy;
1039 
1040 	sp = scsi_cmd_priv(cmd);
1041 	/* ref: INIT */
1042 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1043 
1044 	sp->u.scmd.cmd = cmd;
1045 	sp->type = SRB_SCSI_CMD;
1046 	sp->free = qla2xxx_qpair_sp_free_dma;
1047 	sp->done = qla2xxx_qpair_sp_compl;
1048 
1049 	rval = ha->isp_ops->start_scsi_mq(sp);
1050 	if (rval != QLA_SUCCESS) {
1051 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1052 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1053 		goto qc24_host_busy_free_sp;
1054 	}
1055 
1056 	return 0;
1057 
1058 qc24_host_busy_free_sp:
1059 	/* ref: INIT */
1060 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1061 
1062 qc24_target_busy:
1063 	return SCSI_MLQUEUE_TARGET_BUSY;
1064 
1065 qc24_fail_command:
1066 	scsi_done(cmd);
1067 
1068 	return 0;
1069 }
1070 
1071 /*
1072  * qla2x00_wait_for_hba_online
1073  *    Wait till the HBA is online after going through
1074  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1075  *    finally HBA is disabled ie marked offline
1076  *
1077  * Input:
1078  *     ha - pointer to host adapter structure
1079  *
1080  * Note:
1081  *    Does context switching-Release SPIN_LOCK
1082  *    (if any) before calling this routine.
1083  *
1084  * Return:
1085  *    Success (Adapter is online) : 0
1086  *    Failed  (Adapter is offline/disabled) : 1
1087  */
1088 int
qla2x00_wait_for_hba_online(scsi_qla_host_t * vha)1089 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1090 {
1091 	int		return_status;
1092 	unsigned long	wait_online;
1093 	struct qla_hw_data *ha = vha->hw;
1094 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1095 
1096 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1097 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1098 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1099 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1100 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1101 
1102 		msleep(1000);
1103 	}
1104 	if (base_vha->flags.online)
1105 		return_status = QLA_SUCCESS;
1106 	else
1107 		return_status = QLA_FUNCTION_FAILED;
1108 
1109 	return (return_status);
1110 }
1111 
test_fcport_count(scsi_qla_host_t * vha)1112 static inline int test_fcport_count(scsi_qla_host_t *vha)
1113 {
1114 	struct qla_hw_data *ha = vha->hw;
1115 	unsigned long flags;
1116 	int res;
1117 	/* Return 0 = sleep, x=wake */
1118 
1119 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1120 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1121 	    "tgt %p, fcport_count=%d\n",
1122 	    vha, vha->fcport_count);
1123 	res = (vha->fcport_count == 0);
1124 	if  (res) {
1125 		struct fc_port *fcport;
1126 
1127 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1128 			if (fcport->deleted != QLA_SESS_DELETED) {
1129 				/* session(s) may not be fully logged in
1130 				 * (ie fcport_count=0), but session
1131 				 * deletion thread(s) may be inflight.
1132 				 */
1133 
1134 				res = 0;
1135 				break;
1136 			}
1137 		}
1138 	}
1139 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1140 
1141 	return res;
1142 }
1143 
1144 /*
1145  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1146  * it has dependency on UNLOADING flag to stop device discovery
1147  */
1148 void
qla2x00_wait_for_sess_deletion(scsi_qla_host_t * vha)1149 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1150 {
1151 	u8 i;
1152 
1153 	qla2x00_mark_all_devices_lost(vha);
1154 
1155 	for (i = 0; i < 10; i++) {
1156 		if (wait_event_timeout(vha->fcport_waitQ,
1157 		    test_fcport_count(vha), HZ) > 0)
1158 			break;
1159 	}
1160 
1161 	flush_workqueue(vha->hw->wq);
1162 }
1163 
1164 /*
1165  * qla2x00_wait_for_hba_ready
1166  * Wait till the HBA is ready before doing driver unload
1167  *
1168  * Input:
1169  *     ha - pointer to host adapter structure
1170  *
1171  * Note:
1172  *    Does context switching-Release SPIN_LOCK
1173  *    (if any) before calling this routine.
1174  *
1175  */
1176 static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t * vha)1177 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1178 {
1179 	struct qla_hw_data *ha = vha->hw;
1180 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1181 
1182 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1183 		ha->flags.mbox_busy) ||
1184 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1185 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1186 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1187 			break;
1188 		msleep(1000);
1189 	}
1190 }
1191 
1192 int
qla2x00_wait_for_chip_reset(scsi_qla_host_t * vha)1193 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1194 {
1195 	int		return_status;
1196 	unsigned long	wait_reset;
1197 	struct qla_hw_data *ha = vha->hw;
1198 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1199 
1200 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1201 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1202 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1203 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1204 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1205 
1206 		msleep(1000);
1207 
1208 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1209 		    ha->flags.chip_reset_done)
1210 			break;
1211 	}
1212 	if (ha->flags.chip_reset_done)
1213 		return_status = QLA_SUCCESS;
1214 	else
1215 		return_status = QLA_FUNCTION_FAILED;
1216 
1217 	return return_status;
1218 }
1219 
1220 /**************************************************************************
1221 * qla2xxx_eh_abort
1222 *
1223 * Description:
1224 *    The abort function will abort the specified command.
1225 *
1226 * Input:
1227 *    cmd = Linux SCSI command packet to be aborted.
1228 *
1229 * Returns:
1230 *    Either SUCCESS or FAILED.
1231 *
1232 * Note:
1233 *    Only return FAILED if command not returned by firmware.
1234 **************************************************************************/
1235 static int
qla2xxx_eh_abort(struct scsi_cmnd * cmd)1236 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1237 {
1238 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1239 	DECLARE_COMPLETION_ONSTACK(comp);
1240 	srb_t *sp;
1241 	int ret;
1242 	unsigned int id;
1243 	uint64_t lun;
1244 	int rval;
1245 	struct qla_hw_data *ha = vha->hw;
1246 	uint32_t ratov_j;
1247 	struct qla_qpair *qpair;
1248 	unsigned long flags;
1249 	int fast_fail_status = SUCCESS;
1250 
1251 	if (qla2x00_isp_reg_stat(ha)) {
1252 		ql_log(ql_log_info, vha, 0x8042,
1253 		    "PCI/Register disconnect, exiting.\n");
1254 		qla_pci_set_eeh_busy(vha);
1255 		return FAILED;
1256 	}
1257 
1258 	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1259 	ret = fc_block_scsi_eh(cmd);
1260 	if (ret != 0)
1261 		fast_fail_status = ret;
1262 
1263 	sp = scsi_cmd_priv(cmd);
1264 	qpair = sp->qpair;
1265 
1266 	vha->cmd_timeout_cnt++;
1267 
1268 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1269 		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1270 
1271 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1272 	sp->comp = &comp;
1273 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1274 
1275 
1276 	id = cmd->device->id;
1277 	lun = cmd->device->lun;
1278 
1279 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1280 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1281 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1282 
1283 	/*
1284 	 * Abort will release the original Command/sp from FW. Let the
1285 	 * original command call scsi_done. In return, he will wakeup
1286 	 * this sleeping thread.
1287 	 */
1288 	rval = ha->isp_ops->abort_command(sp);
1289 
1290 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1291 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1292 
1293 	/* Wait for the command completion. */
1294 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1295 	ratov_j = msecs_to_jiffies(ratov_j);
1296 	switch (rval) {
1297 	case QLA_SUCCESS:
1298 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1299 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1300 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1301 			    __func__, ha->r_a_tov/10);
1302 			ret = FAILED;
1303 		} else {
1304 			ret = fast_fail_status;
1305 		}
1306 		break;
1307 	default:
1308 		ret = FAILED;
1309 		break;
1310 	}
1311 
1312 	sp->comp = NULL;
1313 
1314 	ql_log(ql_log_info, vha, 0x801c,
1315 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1316 	    vha->host_no, id, lun, ret);
1317 
1318 	return ret;
1319 }
1320 
1321 #define ABORT_POLLING_PERIOD	1000
1322 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1323 
1324 /*
1325  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1326  */
1327 static int
__qla2x00_eh_wait_for_pending_commands(struct qla_qpair * qpair,unsigned int t,uint64_t l,enum nexus_wait_type type)1328 __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1329 				       uint64_t l, enum nexus_wait_type type)
1330 {
1331 	int cnt, match, status;
1332 	unsigned long flags;
1333 	scsi_qla_host_t *vha = qpair->vha;
1334 	struct req_que *req = qpair->req;
1335 	srb_t *sp;
1336 	struct scsi_cmnd *cmd;
1337 	unsigned long wait_iter = ABORT_WAIT_ITER;
1338 	bool found;
1339 	struct qla_hw_data *ha = vha->hw;
1340 
1341 	status = QLA_SUCCESS;
1342 
1343 	while (wait_iter--) {
1344 		found = false;
1345 
1346 		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1347 		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1348 			sp = req->outstanding_cmds[cnt];
1349 			if (!sp)
1350 				continue;
1351 			if (sp->type != SRB_SCSI_CMD)
1352 				continue;
1353 			if (vha->vp_idx != sp->vha->vp_idx)
1354 				continue;
1355 			match = 0;
1356 			cmd = GET_CMD_SP(sp);
1357 			switch (type) {
1358 			case WAIT_HOST:
1359 				match = 1;
1360 				break;
1361 			case WAIT_TARGET:
1362 				if (sp->fcport)
1363 					match = sp->fcport->d_id.b24 == t;
1364 				else
1365 					match = 0;
1366 				break;
1367 			case WAIT_LUN:
1368 				if (sp->fcport)
1369 					match = (sp->fcport->d_id.b24 == t &&
1370 						cmd->device->lun == l);
1371 				else
1372 					match = 0;
1373 				break;
1374 			}
1375 			if (!match)
1376 				continue;
1377 
1378 			spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1379 
1380 			if (unlikely(pci_channel_offline(ha->pdev)) ||
1381 			    ha->flags.eeh_busy) {
1382 				ql_dbg(ql_dbg_taskm, vha, 0x8005,
1383 				    "Return:eh_wait.\n");
1384 				return status;
1385 			}
1386 
1387 			/*
1388 			 * SRB_SCSI_CMD is still in the outstanding_cmds array.
1389 			 * it means scsi_done has not called. Wait for it to
1390 			 * clear from outstanding_cmds.
1391 			 */
1392 			msleep(ABORT_POLLING_PERIOD);
1393 			spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1394 			found = true;
1395 		}
1396 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1397 
1398 		if (!found)
1399 			break;
1400 	}
1401 
1402 	if (wait_iter == -1)
1403 		status = QLA_FUNCTION_FAILED;
1404 
1405 	return status;
1406 }
1407 
1408 int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t * vha,unsigned int t,uint64_t l,enum nexus_wait_type type)1409 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1410 				     uint64_t l, enum nexus_wait_type type)
1411 {
1412 	struct qla_qpair *qpair;
1413 	struct qla_hw_data *ha = vha->hw;
1414 	int i, status = QLA_SUCCESS;
1415 
1416 	status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
1417 							type);
1418 	for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
1419 		qpair = ha->queue_pair_map[i];
1420 		if (!qpair)
1421 			continue;
1422 		status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
1423 								type);
1424 	}
1425 	return status;
1426 }
1427 
1428 static char *reset_errors[] = {
1429 	"HBA not online",
1430 	"HBA not ready",
1431 	"Task management failed",
1432 	"Waiting for command completions",
1433 };
1434 
1435 static int
qla2xxx_eh_device_reset(struct scsi_cmnd * cmd)1436 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1437 {
1438 	struct scsi_device *sdev = cmd->device;
1439 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1440 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1441 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1442 	struct qla_hw_data *ha = vha->hw;
1443 	int err;
1444 
1445 	if (qla2x00_isp_reg_stat(ha)) {
1446 		ql_log(ql_log_info, vha, 0x803e,
1447 		    "PCI/Register disconnect, exiting.\n");
1448 		qla_pci_set_eeh_busy(vha);
1449 		return FAILED;
1450 	}
1451 
1452 	if (!fcport) {
1453 		return FAILED;
1454 	}
1455 
1456 	err = fc_block_rport(rport);
1457 	if (err != 0)
1458 		return err;
1459 
1460 	if (fcport->deleted)
1461 		return FAILED;
1462 
1463 	ql_log(ql_log_info, vha, 0x8009,
1464 	    "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
1465 	    sdev->id, sdev->lun, cmd);
1466 
1467 	err = 0;
1468 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1469 		ql_log(ql_log_warn, vha, 0x800a,
1470 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1471 		goto eh_reset_failed;
1472 	}
1473 	err = 2;
1474 	if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
1475 		!= QLA_SUCCESS) {
1476 		ql_log(ql_log_warn, vha, 0x800c,
1477 		    "do_reset failed for cmd=%p.\n", cmd);
1478 		goto eh_reset_failed;
1479 	}
1480 	err = 3;
1481 	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24,
1482 						 cmd->device->lun,
1483 						 WAIT_LUN) != QLA_SUCCESS) {
1484 		ql_log(ql_log_warn, vha, 0x800d,
1485 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1486 		goto eh_reset_failed;
1487 	}
1488 
1489 	ql_log(ql_log_info, vha, 0x800e,
1490 	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1491 	    vha->host_no, sdev->id, sdev->lun, cmd);
1492 
1493 	return SUCCESS;
1494 
1495 eh_reset_failed:
1496 	ql_log(ql_log_info, vha, 0x800f,
1497 	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1498 	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1499 	    cmd);
1500 	vha->reset_cmd_err_cnt++;
1501 	return FAILED;
1502 }
1503 
1504 static int
qla2xxx_eh_target_reset(struct scsi_cmnd * cmd)1505 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1506 {
1507 	struct scsi_device *sdev = cmd->device;
1508 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1509 	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1510 	struct qla_hw_data *ha = vha->hw;
1511 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1512 	int err;
1513 
1514 	if (qla2x00_isp_reg_stat(ha)) {
1515 		ql_log(ql_log_info, vha, 0x803f,
1516 		    "PCI/Register disconnect, exiting.\n");
1517 		qla_pci_set_eeh_busy(vha);
1518 		return FAILED;
1519 	}
1520 
1521 	if (!fcport) {
1522 		return FAILED;
1523 	}
1524 
1525 	err = fc_block_rport(rport);
1526 	if (err != 0)
1527 		return err;
1528 
1529 	if (fcport->deleted)
1530 		return FAILED;
1531 
1532 	ql_log(ql_log_info, vha, 0x8009,
1533 	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1534 	    sdev->id, cmd);
1535 
1536 	err = 0;
1537 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1538 		ql_log(ql_log_warn, vha, 0x800a,
1539 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1540 		goto eh_reset_failed;
1541 	}
1542 	err = 2;
1543 	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1544 		ql_log(ql_log_warn, vha, 0x800c,
1545 		    "target_reset failed for cmd=%p.\n", cmd);
1546 		goto eh_reset_failed;
1547 	}
1548 	err = 3;
1549 	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24, 0,
1550 						 WAIT_TARGET) != QLA_SUCCESS) {
1551 		ql_log(ql_log_warn, vha, 0x800d,
1552 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1553 		goto eh_reset_failed;
1554 	}
1555 
1556 	ql_log(ql_log_info, vha, 0x800e,
1557 	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1558 	    vha->host_no, sdev->id, cmd);
1559 
1560 	return SUCCESS;
1561 
1562 eh_reset_failed:
1563 	ql_log(ql_log_info, vha, 0x800f,
1564 	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1565 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1566 	    cmd);
1567 	vha->reset_cmd_err_cnt++;
1568 	return FAILED;
1569 }
1570 
1571 /**************************************************************************
1572 * qla2xxx_eh_bus_reset
1573 *
1574 * Description:
1575 *    The bus reset function will reset the bus and abort any executing
1576 *    commands.
1577 *
1578 * Input:
1579 *    cmd = Linux SCSI command packet of the command that cause the
1580 *          bus reset.
1581 *
1582 * Returns:
1583 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1584 *
1585 **************************************************************************/
1586 static int
qla2xxx_eh_bus_reset(struct scsi_cmnd * cmd)1587 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1588 {
1589 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1590 	int ret = FAILED;
1591 	unsigned int id;
1592 	uint64_t lun;
1593 	struct qla_hw_data *ha = vha->hw;
1594 
1595 	if (qla2x00_isp_reg_stat(ha)) {
1596 		ql_log(ql_log_info, vha, 0x8040,
1597 		    "PCI/Register disconnect, exiting.\n");
1598 		qla_pci_set_eeh_busy(vha);
1599 		return FAILED;
1600 	}
1601 
1602 	id = cmd->device->id;
1603 	lun = cmd->device->lun;
1604 
1605 	if (qla2x00_chip_is_down(vha))
1606 		return ret;
1607 
1608 	ql_log(ql_log_info, vha, 0x8012,
1609 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1610 
1611 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1612 		ql_log(ql_log_fatal, vha, 0x8013,
1613 		    "Wait for hba online failed board disabled.\n");
1614 		goto eh_bus_reset_done;
1615 	}
1616 
1617 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1618 		ret = SUCCESS;
1619 
1620 	if (ret == FAILED)
1621 		goto eh_bus_reset_done;
1622 
1623 	/* Flush outstanding commands. */
1624 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1625 	    QLA_SUCCESS) {
1626 		ql_log(ql_log_warn, vha, 0x8014,
1627 		    "Wait for pending commands failed.\n");
1628 		ret = FAILED;
1629 	}
1630 
1631 eh_bus_reset_done:
1632 	ql_log(ql_log_warn, vha, 0x802b,
1633 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1634 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1635 
1636 	return ret;
1637 }
1638 
1639 /**************************************************************************
1640 * qla2xxx_eh_host_reset
1641 *
1642 * Description:
1643 *    The reset function will reset the Adapter.
1644 *
1645 * Input:
1646 *      cmd = Linux SCSI command packet of the command that cause the
1647 *            adapter reset.
1648 *
1649 * Returns:
1650 *      Either SUCCESS or FAILED.
1651 *
1652 * Note:
1653 **************************************************************************/
1654 static int
qla2xxx_eh_host_reset(struct scsi_cmnd * cmd)1655 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1656 {
1657 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1658 	struct qla_hw_data *ha = vha->hw;
1659 	int ret = FAILED;
1660 	unsigned int id;
1661 	uint64_t lun;
1662 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1663 
1664 	if (qla2x00_isp_reg_stat(ha)) {
1665 		ql_log(ql_log_info, vha, 0x8041,
1666 		    "PCI/Register disconnect, exiting.\n");
1667 		qla_pci_set_eeh_busy(vha);
1668 		return SUCCESS;
1669 	}
1670 
1671 	id = cmd->device->id;
1672 	lun = cmd->device->lun;
1673 
1674 	ql_log(ql_log_info, vha, 0x8018,
1675 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1676 
1677 	/*
1678 	 * No point in issuing another reset if one is active.  Also do not
1679 	 * attempt a reset if we are updating flash.
1680 	 */
1681 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1682 		goto eh_host_reset_lock;
1683 
1684 	if (vha != base_vha) {
1685 		if (qla2x00_vp_abort_isp(vha))
1686 			goto eh_host_reset_lock;
1687 	} else {
1688 		if (IS_P3P_TYPE(vha->hw)) {
1689 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1690 				/* Ctx reset success */
1691 				ret = SUCCESS;
1692 				goto eh_host_reset_lock;
1693 			}
1694 			/* fall thru if ctx reset failed */
1695 		}
1696 		if (ha->wq)
1697 			flush_workqueue(ha->wq);
1698 
1699 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1700 		if (ha->isp_ops->abort_isp(base_vha)) {
1701 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1702 			/* failed. schedule dpc to try */
1703 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1704 
1705 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1706 				ql_log(ql_log_warn, vha, 0x802a,
1707 				    "wait for hba online failed.\n");
1708 				goto eh_host_reset_lock;
1709 			}
1710 		}
1711 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1712 	}
1713 
1714 	/* Waiting for command to be returned to OS.*/
1715 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1716 		QLA_SUCCESS)
1717 		ret = SUCCESS;
1718 
1719 eh_host_reset_lock:
1720 	ql_log(ql_log_info, vha, 0x8017,
1721 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1722 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1723 
1724 	return ret;
1725 }
1726 
1727 /*
1728 * qla2x00_loop_reset
1729 *      Issue loop reset.
1730 *
1731 * Input:
1732 *      ha = adapter block pointer.
1733 *
1734 * Returns:
1735 *      0 = success
1736 */
1737 int
qla2x00_loop_reset(scsi_qla_host_t * vha)1738 qla2x00_loop_reset(scsi_qla_host_t *vha)
1739 {
1740 	int ret;
1741 	struct qla_hw_data *ha = vha->hw;
1742 
1743 	if (IS_QLAFX00(ha))
1744 		return QLA_SUCCESS;
1745 
1746 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1747 		atomic_set(&vha->loop_state, LOOP_DOWN);
1748 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1749 		qla2x00_mark_all_devices_lost(vha);
1750 		ret = qla2x00_full_login_lip(vha);
1751 		if (ret != QLA_SUCCESS) {
1752 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1753 			    "full_login_lip=%d.\n", ret);
1754 		}
1755 	}
1756 
1757 	if (ha->flags.enable_lip_reset) {
1758 		ret = qla2x00_lip_reset(vha);
1759 		if (ret != QLA_SUCCESS)
1760 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1761 			    "lip_reset failed (%d).\n", ret);
1762 	}
1763 
1764 	/* Issue marker command only when we are going to start the I/O */
1765 	vha->marker_needed = 1;
1766 
1767 	return QLA_SUCCESS;
1768 }
1769 
1770 /*
1771  * The caller must ensure that no completion interrupts will happen
1772  * while this function is in progress.
1773  */
qla2x00_abort_srb(struct qla_qpair * qp,srb_t * sp,const int res,unsigned long * flags)1774 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1775 			      unsigned long *flags)
1776 	__releases(qp->qp_lock_ptr)
1777 	__acquires(qp->qp_lock_ptr)
1778 {
1779 	DECLARE_COMPLETION_ONSTACK(comp);
1780 	scsi_qla_host_t *vha = qp->vha;
1781 	struct qla_hw_data *ha = vha->hw;
1782 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1783 	int rval;
1784 	bool ret_cmd;
1785 	uint32_t ratov_j;
1786 
1787 	lockdep_assert_held(qp->qp_lock_ptr);
1788 
1789 	if (qla2x00_chip_is_down(vha)) {
1790 		sp->done(sp, res);
1791 		return;
1792 	}
1793 
1794 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1795 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1796 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1797 	     !qla2x00_isp_reg_stat(ha))) {
1798 		if (sp->comp) {
1799 			sp->done(sp, res);
1800 			return;
1801 		}
1802 
1803 		sp->comp = &comp;
1804 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1805 
1806 		rval = ha->isp_ops->abort_command(sp);
1807 		/* Wait for command completion. */
1808 		ret_cmd = false;
1809 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1810 		ratov_j = msecs_to_jiffies(ratov_j);
1811 		switch (rval) {
1812 		case QLA_SUCCESS:
1813 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1814 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1815 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1816 				    __func__, ha->r_a_tov/10);
1817 				ret_cmd = true;
1818 			}
1819 			/* else FW return SP to driver */
1820 			break;
1821 		default:
1822 			ret_cmd = true;
1823 			break;
1824 		}
1825 
1826 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1827 		switch (sp->type) {
1828 		case SRB_SCSI_CMD:
1829 			if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1830 				sp->done(sp, res);
1831 			break;
1832 		default:
1833 			if (ret_cmd)
1834 				sp->done(sp, res);
1835 			break;
1836 		}
1837 	} else {
1838 		sp->done(sp, res);
1839 	}
1840 }
1841 
1842 /*
1843  * The caller must ensure that no completion interrupts will happen
1844  * while this function is in progress.
1845  */
1846 static void
__qla2x00_abort_all_cmds(struct qla_qpair * qp,int res)1847 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1848 {
1849 	int cnt;
1850 	unsigned long flags;
1851 	srb_t *sp;
1852 	scsi_qla_host_t *vha = qp->vha;
1853 	struct qla_hw_data *ha = vha->hw;
1854 	struct req_que *req;
1855 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1856 	struct qla_tgt_cmd *cmd;
1857 
1858 	if (!ha->req_q_map)
1859 		return;
1860 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1861 	req = qp->req;
1862 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1863 		sp = req->outstanding_cmds[cnt];
1864 		if (sp) {
1865 			if (qla2x00_chip_is_down(vha)) {
1866 				req->outstanding_cmds[cnt] = NULL;
1867 				sp->done(sp, res);
1868 				continue;
1869 			}
1870 
1871 			switch (sp->cmd_type) {
1872 			case TYPE_SRB:
1873 				qla2x00_abort_srb(qp, sp, res, &flags);
1874 				break;
1875 			case TYPE_TGT_CMD:
1876 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1877 				    qla_ini_mode_enabled(vha)) {
1878 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1879 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1880 					    vha->dpc_flags);
1881 					continue;
1882 				}
1883 				cmd = (struct qla_tgt_cmd *)sp;
1884 				cmd->aborted = 1;
1885 				break;
1886 			case TYPE_TGT_TMCMD:
1887 				/* Skip task management functions. */
1888 				break;
1889 			default:
1890 				break;
1891 			}
1892 			req->outstanding_cmds[cnt] = NULL;
1893 		}
1894 	}
1895 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1896 }
1897 
1898 /*
1899  * The caller must ensure that no completion interrupts will happen
1900  * while this function is in progress.
1901  */
1902 void
qla2x00_abort_all_cmds(scsi_qla_host_t * vha,int res)1903 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1904 {
1905 	int que;
1906 	struct qla_hw_data *ha = vha->hw;
1907 
1908 	/* Continue only if initialization complete. */
1909 	if (!ha->base_qpair)
1910 		return;
1911 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1912 
1913 	if (!ha->queue_pair_map)
1914 		return;
1915 	for (que = 0; que < ha->max_qpairs; que++) {
1916 		if (!ha->queue_pair_map[que])
1917 			continue;
1918 
1919 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1920 	}
1921 }
1922 
1923 static int
qla2xxx_sdev_init(struct scsi_device * sdev)1924 qla2xxx_sdev_init(struct scsi_device *sdev)
1925 {
1926 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1927 
1928 	if (!rport || fc_remote_port_chkready(rport))
1929 		return -ENXIO;
1930 
1931 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1932 
1933 	return 0;
1934 }
1935 
1936 static int
qla2xxx_sdev_configure(struct scsi_device * sdev,struct queue_limits * lim)1937 qla2xxx_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim)
1938 {
1939 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1940 	struct req_que *req = vha->req;
1941 
1942 	scsi_change_queue_depth(sdev, req->max_q_depth);
1943 	return 0;
1944 }
1945 
1946 static void
qla2xxx_sdev_destroy(struct scsi_device * sdev)1947 qla2xxx_sdev_destroy(struct scsi_device *sdev)
1948 {
1949 	sdev->hostdata = NULL;
1950 }
1951 
1952 /**
1953  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1954  * @ha: HA context
1955  *
1956  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1957  * supported addressing method.
1958  */
1959 static void
qla2x00_config_dma_addressing(struct qla_hw_data * ha)1960 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1961 {
1962 	/* Assume a 32bit DMA mask. */
1963 	ha->flags.enable_64bit_addressing = 0;
1964 
1965 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1966 		/* Any upper-dword bits set? */
1967 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1968 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1969 			/* Ok, a 64bit DMA mask is applicable. */
1970 			ha->flags.enable_64bit_addressing = 1;
1971 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1972 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1973 			return;
1974 		}
1975 	}
1976 
1977 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1978 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1979 }
1980 
1981 static void
qla2x00_enable_intrs(struct qla_hw_data * ha)1982 qla2x00_enable_intrs(struct qla_hw_data *ha)
1983 {
1984 	unsigned long flags = 0;
1985 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1986 
1987 	spin_lock_irqsave(&ha->hardware_lock, flags);
1988 	ha->interrupts_on = 1;
1989 	/* enable risc and host interrupts */
1990 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1991 	rd_reg_word(&reg->ictrl);
1992 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1993 
1994 }
1995 
1996 static void
qla2x00_disable_intrs(struct qla_hw_data * ha)1997 qla2x00_disable_intrs(struct qla_hw_data *ha)
1998 {
1999 	unsigned long flags = 0;
2000 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2001 
2002 	spin_lock_irqsave(&ha->hardware_lock, flags);
2003 	ha->interrupts_on = 0;
2004 	/* disable risc and host interrupts */
2005 	wrt_reg_word(&reg->ictrl, 0);
2006 	rd_reg_word(&reg->ictrl);
2007 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2008 }
2009 
2010 static void
qla24xx_enable_intrs(struct qla_hw_data * ha)2011 qla24xx_enable_intrs(struct qla_hw_data *ha)
2012 {
2013 	unsigned long flags = 0;
2014 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2015 
2016 	spin_lock_irqsave(&ha->hardware_lock, flags);
2017 	ha->interrupts_on = 1;
2018 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2019 	rd_reg_dword(&reg->ictrl);
2020 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2021 }
2022 
2023 static void
qla24xx_disable_intrs(struct qla_hw_data * ha)2024 qla24xx_disable_intrs(struct qla_hw_data *ha)
2025 {
2026 	unsigned long flags = 0;
2027 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2028 
2029 	if (IS_NOPOLLING_TYPE(ha))
2030 		return;
2031 	spin_lock_irqsave(&ha->hardware_lock, flags);
2032 	ha->interrupts_on = 0;
2033 	wrt_reg_dword(&reg->ictrl, 0);
2034 	rd_reg_dword(&reg->ictrl);
2035 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2036 }
2037 
2038 static int
qla2x00_iospace_config(struct qla_hw_data * ha)2039 qla2x00_iospace_config(struct qla_hw_data *ha)
2040 {
2041 	resource_size_t pio;
2042 	uint16_t msix;
2043 
2044 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2045 	    QLA2XXX_DRIVER_NAME)) {
2046 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2047 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2048 		    pci_name(ha->pdev));
2049 		goto iospace_error_exit;
2050 	}
2051 	if (!(ha->bars & 1))
2052 		goto skip_pio;
2053 
2054 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2055 	pio = pci_resource_start(ha->pdev, 0);
2056 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2057 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2058 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2059 			    "Invalid pci I/O region size (%s).\n",
2060 			    pci_name(ha->pdev));
2061 			pio = 0;
2062 		}
2063 	} else {
2064 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2065 		    "Region #0 no a PIO resource (%s).\n",
2066 		    pci_name(ha->pdev));
2067 		pio = 0;
2068 	}
2069 	ha->pio_address = pio;
2070 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2071 	    "PIO address=%llu.\n",
2072 	    (unsigned long long)ha->pio_address);
2073 
2074 skip_pio:
2075 	/* Use MMIO operations for all accesses. */
2076 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2077 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2078 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2079 		    pci_name(ha->pdev));
2080 		goto iospace_error_exit;
2081 	}
2082 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2083 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2084 		    "Invalid PCI mem region size (%s), aborting.\n",
2085 		    pci_name(ha->pdev));
2086 		goto iospace_error_exit;
2087 	}
2088 
2089 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2090 	if (!ha->iobase) {
2091 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2092 		    "Cannot remap MMIO (%s), aborting.\n",
2093 		    pci_name(ha->pdev));
2094 		goto iospace_error_exit;
2095 	}
2096 
2097 	/* Determine queue resources */
2098 	ha->max_req_queues = ha->max_rsp_queues = 1;
2099 	ha->msix_count = QLA_BASE_VECTORS;
2100 
2101 	/* Check if FW supports MQ or not */
2102 	if (!(ha->fw_attributes & BIT_6))
2103 		goto mqiobase_exit;
2104 
2105 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2106 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2107 		goto mqiobase_exit;
2108 
2109 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2110 			pci_resource_len(ha->pdev, 3));
2111 	if (ha->mqiobase) {
2112 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2113 		    "MQIO Base=%p.\n", ha->mqiobase);
2114 		/* Read MSIX vector size of the board */
2115 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2116 		ha->msix_count = msix + 1;
2117 		/* Max queues are bounded by available msix vectors */
2118 		/* MB interrupt uses 1 vector */
2119 		ha->max_req_queues = ha->msix_count - 1;
2120 		ha->max_rsp_queues = ha->max_req_queues;
2121 		/* Queue pairs is the max value minus the base queue pair */
2122 		ha->max_qpairs = ha->max_rsp_queues - 1;
2123 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2124 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2125 
2126 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2127 		    "MSI-X vector count: %d.\n", ha->msix_count);
2128 	} else
2129 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2130 		    "BAR 3 not enabled.\n");
2131 
2132 mqiobase_exit:
2133 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2134 	    "MSIX Count: %d.\n", ha->msix_count);
2135 	return (0);
2136 
2137 iospace_error_exit:
2138 	return (-ENOMEM);
2139 }
2140 
2141 
2142 static int
qla83xx_iospace_config(struct qla_hw_data * ha)2143 qla83xx_iospace_config(struct qla_hw_data *ha)
2144 {
2145 	uint16_t msix;
2146 
2147 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2148 	    QLA2XXX_DRIVER_NAME)) {
2149 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2150 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2151 		    pci_name(ha->pdev));
2152 
2153 		goto iospace_error_exit;
2154 	}
2155 
2156 	/* Use MMIO operations for all accesses. */
2157 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2158 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2159 		    "Invalid pci I/O region size (%s).\n",
2160 		    pci_name(ha->pdev));
2161 		goto iospace_error_exit;
2162 	}
2163 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2164 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2165 		    "Invalid PCI mem region size (%s), aborting\n",
2166 			pci_name(ha->pdev));
2167 		goto iospace_error_exit;
2168 	}
2169 
2170 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2171 	if (!ha->iobase) {
2172 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2173 		    "Cannot remap MMIO (%s), aborting.\n",
2174 		    pci_name(ha->pdev));
2175 		goto iospace_error_exit;
2176 	}
2177 
2178 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2179 	/* 83XX 26XX always use MQ type access for queues
2180 	 * - mbar 2, a.k.a region 4 */
2181 	ha->max_req_queues = ha->max_rsp_queues = 1;
2182 	ha->msix_count = QLA_BASE_VECTORS;
2183 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2184 			pci_resource_len(ha->pdev, 4));
2185 
2186 	if (!ha->mqiobase) {
2187 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2188 		    "BAR2/region4 not enabled\n");
2189 		goto mqiobase_exit;
2190 	}
2191 
2192 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2193 			pci_resource_len(ha->pdev, 2));
2194 	if (ha->msixbase) {
2195 		/* Read MSIX vector size of the board */
2196 		pci_read_config_word(ha->pdev,
2197 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2198 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2199 		/*
2200 		 * By default, driver uses at least two msix vectors
2201 		 * (default & rspq)
2202 		 */
2203 		if (ql2xmqsupport || ql2xnvmeenable) {
2204 			/* MB interrupt uses 1 vector */
2205 			ha->max_req_queues = ha->msix_count - 1;
2206 
2207 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2208 			if (QLA_TGT_MODE_ENABLED())
2209 				ha->max_req_queues--;
2210 
2211 			ha->max_rsp_queues = ha->max_req_queues;
2212 
2213 			/* Queue pairs is the max value minus
2214 			 * the base queue pair */
2215 			ha->max_qpairs = ha->max_req_queues - 1;
2216 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2217 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2218 		}
2219 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2220 		    "MSI-X vector count: %d.\n", ha->msix_count);
2221 	} else
2222 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2223 		    "BAR 1 not enabled.\n");
2224 
2225 mqiobase_exit:
2226 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2227 	    "MSIX Count: %d.\n", ha->msix_count);
2228 	return 0;
2229 
2230 iospace_error_exit:
2231 	return -ENOMEM;
2232 }
2233 
2234 static struct isp_operations qla2100_isp_ops = {
2235 	.pci_config		= qla2100_pci_config,
2236 	.reset_chip		= qla2x00_reset_chip,
2237 	.chip_diag		= qla2x00_chip_diag,
2238 	.config_rings		= qla2x00_config_rings,
2239 	.reset_adapter		= qla2x00_reset_adapter,
2240 	.nvram_config		= qla2x00_nvram_config,
2241 	.update_fw_options	= qla2x00_update_fw_options,
2242 	.load_risc		= qla2x00_load_risc,
2243 	.pci_info_str		= qla2x00_pci_info_str,
2244 	.fw_version_str		= qla2x00_fw_version_str,
2245 	.intr_handler		= qla2100_intr_handler,
2246 	.enable_intrs		= qla2x00_enable_intrs,
2247 	.disable_intrs		= qla2x00_disable_intrs,
2248 	.abort_command		= qla2x00_abort_command,
2249 	.target_reset		= qla2x00_abort_target,
2250 	.lun_reset		= qla2x00_lun_reset,
2251 	.fabric_login		= qla2x00_login_fabric,
2252 	.fabric_logout		= qla2x00_fabric_logout,
2253 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2254 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2255 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2256 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2257 	.read_nvram		= qla2x00_read_nvram_data,
2258 	.write_nvram		= qla2x00_write_nvram_data,
2259 	.fw_dump		= qla2100_fw_dump,
2260 	.beacon_on		= NULL,
2261 	.beacon_off		= NULL,
2262 	.beacon_blink		= NULL,
2263 	.read_optrom		= qla2x00_read_optrom_data,
2264 	.write_optrom		= qla2x00_write_optrom_data,
2265 	.get_flash_version	= qla2x00_get_flash_version,
2266 	.start_scsi		= qla2x00_start_scsi,
2267 	.start_scsi_mq          = NULL,
2268 	.abort_isp		= qla2x00_abort_isp,
2269 	.iospace_config     	= qla2x00_iospace_config,
2270 	.initialize_adapter	= qla2x00_initialize_adapter,
2271 };
2272 
2273 static struct isp_operations qla2300_isp_ops = {
2274 	.pci_config		= qla2300_pci_config,
2275 	.reset_chip		= qla2x00_reset_chip,
2276 	.chip_diag		= qla2x00_chip_diag,
2277 	.config_rings		= qla2x00_config_rings,
2278 	.reset_adapter		= qla2x00_reset_adapter,
2279 	.nvram_config		= qla2x00_nvram_config,
2280 	.update_fw_options	= qla2x00_update_fw_options,
2281 	.load_risc		= qla2x00_load_risc,
2282 	.pci_info_str		= qla2x00_pci_info_str,
2283 	.fw_version_str		= qla2x00_fw_version_str,
2284 	.intr_handler		= qla2300_intr_handler,
2285 	.enable_intrs		= qla2x00_enable_intrs,
2286 	.disable_intrs		= qla2x00_disable_intrs,
2287 	.abort_command		= qla2x00_abort_command,
2288 	.target_reset		= qla2x00_abort_target,
2289 	.lun_reset		= qla2x00_lun_reset,
2290 	.fabric_login		= qla2x00_login_fabric,
2291 	.fabric_logout		= qla2x00_fabric_logout,
2292 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2293 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2294 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2295 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2296 	.read_nvram		= qla2x00_read_nvram_data,
2297 	.write_nvram		= qla2x00_write_nvram_data,
2298 	.fw_dump		= qla2300_fw_dump,
2299 	.beacon_on		= qla2x00_beacon_on,
2300 	.beacon_off		= qla2x00_beacon_off,
2301 	.beacon_blink		= qla2x00_beacon_blink,
2302 	.read_optrom		= qla2x00_read_optrom_data,
2303 	.write_optrom		= qla2x00_write_optrom_data,
2304 	.get_flash_version	= qla2x00_get_flash_version,
2305 	.start_scsi		= qla2x00_start_scsi,
2306 	.start_scsi_mq          = NULL,
2307 	.abort_isp		= qla2x00_abort_isp,
2308 	.iospace_config		= qla2x00_iospace_config,
2309 	.initialize_adapter	= qla2x00_initialize_adapter,
2310 };
2311 
2312 static struct isp_operations qla24xx_isp_ops = {
2313 	.pci_config		= qla24xx_pci_config,
2314 	.reset_chip		= qla24xx_reset_chip,
2315 	.chip_diag		= qla24xx_chip_diag,
2316 	.config_rings		= qla24xx_config_rings,
2317 	.reset_adapter		= qla24xx_reset_adapter,
2318 	.nvram_config		= qla24xx_nvram_config,
2319 	.update_fw_options	= qla24xx_update_fw_options,
2320 	.load_risc		= qla24xx_load_risc,
2321 	.pci_info_str		= qla24xx_pci_info_str,
2322 	.fw_version_str		= qla24xx_fw_version_str,
2323 	.intr_handler		= qla24xx_intr_handler,
2324 	.enable_intrs		= qla24xx_enable_intrs,
2325 	.disable_intrs		= qla24xx_disable_intrs,
2326 	.abort_command		= qla24xx_abort_command,
2327 	.target_reset		= qla24xx_abort_target,
2328 	.lun_reset		= qla24xx_lun_reset,
2329 	.fabric_login		= qla24xx_login_fabric,
2330 	.fabric_logout		= qla24xx_fabric_logout,
2331 	.calc_req_entries	= NULL,
2332 	.build_iocbs		= NULL,
2333 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2334 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2335 	.read_nvram		= qla24xx_read_nvram_data,
2336 	.write_nvram		= qla24xx_write_nvram_data,
2337 	.fw_dump		= qla24xx_fw_dump,
2338 	.beacon_on		= qla24xx_beacon_on,
2339 	.beacon_off		= qla24xx_beacon_off,
2340 	.beacon_blink		= qla24xx_beacon_blink,
2341 	.read_optrom		= qla24xx_read_optrom_data,
2342 	.write_optrom		= qla24xx_write_optrom_data,
2343 	.get_flash_version	= qla24xx_get_flash_version,
2344 	.start_scsi		= qla24xx_start_scsi,
2345 	.start_scsi_mq          = NULL,
2346 	.abort_isp		= qla2x00_abort_isp,
2347 	.iospace_config		= qla2x00_iospace_config,
2348 	.initialize_adapter	= qla2x00_initialize_adapter,
2349 };
2350 
2351 static struct isp_operations qla25xx_isp_ops = {
2352 	.pci_config		= qla25xx_pci_config,
2353 	.reset_chip		= qla24xx_reset_chip,
2354 	.chip_diag		= qla24xx_chip_diag,
2355 	.config_rings		= qla24xx_config_rings,
2356 	.reset_adapter		= qla24xx_reset_adapter,
2357 	.nvram_config		= qla24xx_nvram_config,
2358 	.update_fw_options	= qla24xx_update_fw_options,
2359 	.load_risc		= qla24xx_load_risc,
2360 	.pci_info_str		= qla24xx_pci_info_str,
2361 	.fw_version_str		= qla24xx_fw_version_str,
2362 	.intr_handler		= qla24xx_intr_handler,
2363 	.enable_intrs		= qla24xx_enable_intrs,
2364 	.disable_intrs		= qla24xx_disable_intrs,
2365 	.abort_command		= qla24xx_abort_command,
2366 	.target_reset		= qla24xx_abort_target,
2367 	.lun_reset		= qla24xx_lun_reset,
2368 	.fabric_login		= qla24xx_login_fabric,
2369 	.fabric_logout		= qla24xx_fabric_logout,
2370 	.calc_req_entries	= NULL,
2371 	.build_iocbs		= NULL,
2372 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2373 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2374 	.read_nvram		= qla25xx_read_nvram_data,
2375 	.write_nvram		= qla25xx_write_nvram_data,
2376 	.fw_dump		= qla25xx_fw_dump,
2377 	.beacon_on		= qla24xx_beacon_on,
2378 	.beacon_off		= qla24xx_beacon_off,
2379 	.beacon_blink		= qla24xx_beacon_blink,
2380 	.read_optrom		= qla25xx_read_optrom_data,
2381 	.write_optrom		= qla24xx_write_optrom_data,
2382 	.get_flash_version	= qla24xx_get_flash_version,
2383 	.start_scsi		= qla24xx_dif_start_scsi,
2384 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2385 	.abort_isp		= qla2x00_abort_isp,
2386 	.iospace_config		= qla2x00_iospace_config,
2387 	.initialize_adapter	= qla2x00_initialize_adapter,
2388 };
2389 
2390 static struct isp_operations qla81xx_isp_ops = {
2391 	.pci_config		= qla25xx_pci_config,
2392 	.reset_chip		= qla24xx_reset_chip,
2393 	.chip_diag		= qla24xx_chip_diag,
2394 	.config_rings		= qla24xx_config_rings,
2395 	.reset_adapter		= qla24xx_reset_adapter,
2396 	.nvram_config		= qla81xx_nvram_config,
2397 	.update_fw_options	= qla24xx_update_fw_options,
2398 	.load_risc		= qla81xx_load_risc,
2399 	.pci_info_str		= qla24xx_pci_info_str,
2400 	.fw_version_str		= qla24xx_fw_version_str,
2401 	.intr_handler		= qla24xx_intr_handler,
2402 	.enable_intrs		= qla24xx_enable_intrs,
2403 	.disable_intrs		= qla24xx_disable_intrs,
2404 	.abort_command		= qla24xx_abort_command,
2405 	.target_reset		= qla24xx_abort_target,
2406 	.lun_reset		= qla24xx_lun_reset,
2407 	.fabric_login		= qla24xx_login_fabric,
2408 	.fabric_logout		= qla24xx_fabric_logout,
2409 	.calc_req_entries	= NULL,
2410 	.build_iocbs		= NULL,
2411 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2412 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2413 	.read_nvram		= NULL,
2414 	.write_nvram		= NULL,
2415 	.fw_dump		= qla81xx_fw_dump,
2416 	.beacon_on		= qla24xx_beacon_on,
2417 	.beacon_off		= qla24xx_beacon_off,
2418 	.beacon_blink		= qla83xx_beacon_blink,
2419 	.read_optrom		= qla25xx_read_optrom_data,
2420 	.write_optrom		= qla24xx_write_optrom_data,
2421 	.get_flash_version	= qla24xx_get_flash_version,
2422 	.start_scsi		= qla24xx_dif_start_scsi,
2423 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2424 	.abort_isp		= qla2x00_abort_isp,
2425 	.iospace_config		= qla2x00_iospace_config,
2426 	.initialize_adapter	= qla2x00_initialize_adapter,
2427 };
2428 
2429 static struct isp_operations qla82xx_isp_ops = {
2430 	.pci_config		= qla82xx_pci_config,
2431 	.reset_chip		= qla82xx_reset_chip,
2432 	.chip_diag		= qla24xx_chip_diag,
2433 	.config_rings		= qla82xx_config_rings,
2434 	.reset_adapter		= qla24xx_reset_adapter,
2435 	.nvram_config		= qla81xx_nvram_config,
2436 	.update_fw_options	= qla24xx_update_fw_options,
2437 	.load_risc		= qla82xx_load_risc,
2438 	.pci_info_str		= qla24xx_pci_info_str,
2439 	.fw_version_str		= qla24xx_fw_version_str,
2440 	.intr_handler		= qla82xx_intr_handler,
2441 	.enable_intrs		= qla82xx_enable_intrs,
2442 	.disable_intrs		= qla82xx_disable_intrs,
2443 	.abort_command		= qla24xx_abort_command,
2444 	.target_reset		= qla24xx_abort_target,
2445 	.lun_reset		= qla24xx_lun_reset,
2446 	.fabric_login		= qla24xx_login_fabric,
2447 	.fabric_logout		= qla24xx_fabric_logout,
2448 	.calc_req_entries	= NULL,
2449 	.build_iocbs		= NULL,
2450 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2451 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2452 	.read_nvram		= qla24xx_read_nvram_data,
2453 	.write_nvram		= qla24xx_write_nvram_data,
2454 	.fw_dump		= qla82xx_fw_dump,
2455 	.beacon_on		= qla82xx_beacon_on,
2456 	.beacon_off		= qla82xx_beacon_off,
2457 	.beacon_blink		= NULL,
2458 	.read_optrom		= qla82xx_read_optrom_data,
2459 	.write_optrom		= qla82xx_write_optrom_data,
2460 	.get_flash_version	= qla82xx_get_flash_version,
2461 	.start_scsi             = qla82xx_start_scsi,
2462 	.start_scsi_mq          = NULL,
2463 	.abort_isp		= qla82xx_abort_isp,
2464 	.iospace_config     	= qla82xx_iospace_config,
2465 	.initialize_adapter	= qla2x00_initialize_adapter,
2466 };
2467 
2468 static struct isp_operations qla8044_isp_ops = {
2469 	.pci_config		= qla82xx_pci_config,
2470 	.reset_chip		= qla82xx_reset_chip,
2471 	.chip_diag		= qla24xx_chip_diag,
2472 	.config_rings		= qla82xx_config_rings,
2473 	.reset_adapter		= qla24xx_reset_adapter,
2474 	.nvram_config		= qla81xx_nvram_config,
2475 	.update_fw_options	= qla24xx_update_fw_options,
2476 	.load_risc		= qla82xx_load_risc,
2477 	.pci_info_str		= qla24xx_pci_info_str,
2478 	.fw_version_str		= qla24xx_fw_version_str,
2479 	.intr_handler		= qla8044_intr_handler,
2480 	.enable_intrs		= qla82xx_enable_intrs,
2481 	.disable_intrs		= qla82xx_disable_intrs,
2482 	.abort_command		= qla24xx_abort_command,
2483 	.target_reset		= qla24xx_abort_target,
2484 	.lun_reset		= qla24xx_lun_reset,
2485 	.fabric_login		= qla24xx_login_fabric,
2486 	.fabric_logout		= qla24xx_fabric_logout,
2487 	.calc_req_entries	= NULL,
2488 	.build_iocbs		= NULL,
2489 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2490 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2491 	.read_nvram		= NULL,
2492 	.write_nvram		= NULL,
2493 	.fw_dump		= qla8044_fw_dump,
2494 	.beacon_on		= qla82xx_beacon_on,
2495 	.beacon_off		= qla82xx_beacon_off,
2496 	.beacon_blink		= NULL,
2497 	.read_optrom		= qla8044_read_optrom_data,
2498 	.write_optrom		= qla8044_write_optrom_data,
2499 	.get_flash_version	= qla82xx_get_flash_version,
2500 	.start_scsi             = qla82xx_start_scsi,
2501 	.start_scsi_mq          = NULL,
2502 	.abort_isp		= qla8044_abort_isp,
2503 	.iospace_config		= qla82xx_iospace_config,
2504 	.initialize_adapter	= qla2x00_initialize_adapter,
2505 };
2506 
2507 static struct isp_operations qla83xx_isp_ops = {
2508 	.pci_config		= qla25xx_pci_config,
2509 	.reset_chip		= qla24xx_reset_chip,
2510 	.chip_diag		= qla24xx_chip_diag,
2511 	.config_rings		= qla24xx_config_rings,
2512 	.reset_adapter		= qla24xx_reset_adapter,
2513 	.nvram_config		= qla81xx_nvram_config,
2514 	.update_fw_options	= qla24xx_update_fw_options,
2515 	.load_risc		= qla81xx_load_risc,
2516 	.pci_info_str		= qla24xx_pci_info_str,
2517 	.fw_version_str		= qla24xx_fw_version_str,
2518 	.intr_handler		= qla24xx_intr_handler,
2519 	.enable_intrs		= qla24xx_enable_intrs,
2520 	.disable_intrs		= qla24xx_disable_intrs,
2521 	.abort_command		= qla24xx_abort_command,
2522 	.target_reset		= qla24xx_abort_target,
2523 	.lun_reset		= qla24xx_lun_reset,
2524 	.fabric_login		= qla24xx_login_fabric,
2525 	.fabric_logout		= qla24xx_fabric_logout,
2526 	.calc_req_entries	= NULL,
2527 	.build_iocbs		= NULL,
2528 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2529 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2530 	.read_nvram		= NULL,
2531 	.write_nvram		= NULL,
2532 	.fw_dump		= qla83xx_fw_dump,
2533 	.beacon_on		= qla24xx_beacon_on,
2534 	.beacon_off		= qla24xx_beacon_off,
2535 	.beacon_blink		= qla83xx_beacon_blink,
2536 	.read_optrom		= qla25xx_read_optrom_data,
2537 	.write_optrom		= qla24xx_write_optrom_data,
2538 	.get_flash_version	= qla24xx_get_flash_version,
2539 	.start_scsi		= qla24xx_dif_start_scsi,
2540 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2541 	.abort_isp		= qla2x00_abort_isp,
2542 	.iospace_config		= qla83xx_iospace_config,
2543 	.initialize_adapter	= qla2x00_initialize_adapter,
2544 };
2545 
2546 static struct isp_operations qlafx00_isp_ops = {
2547 	.pci_config		= qlafx00_pci_config,
2548 	.reset_chip		= qlafx00_soft_reset,
2549 	.chip_diag		= qlafx00_chip_diag,
2550 	.config_rings		= qlafx00_config_rings,
2551 	.reset_adapter		= qlafx00_soft_reset,
2552 	.nvram_config		= NULL,
2553 	.update_fw_options	= NULL,
2554 	.load_risc		= NULL,
2555 	.pci_info_str		= qlafx00_pci_info_str,
2556 	.fw_version_str		= qlafx00_fw_version_str,
2557 	.intr_handler		= qlafx00_intr_handler,
2558 	.enable_intrs		= qlafx00_enable_intrs,
2559 	.disable_intrs		= qlafx00_disable_intrs,
2560 	.abort_command		= qla24xx_async_abort_command,
2561 	.target_reset		= qlafx00_abort_target,
2562 	.lun_reset		= qlafx00_lun_reset,
2563 	.fabric_login		= NULL,
2564 	.fabric_logout		= NULL,
2565 	.calc_req_entries	= NULL,
2566 	.build_iocbs		= NULL,
2567 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2568 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2569 	.read_nvram		= qla24xx_read_nvram_data,
2570 	.write_nvram		= qla24xx_write_nvram_data,
2571 	.fw_dump		= NULL,
2572 	.beacon_on		= qla24xx_beacon_on,
2573 	.beacon_off		= qla24xx_beacon_off,
2574 	.beacon_blink		= NULL,
2575 	.read_optrom		= qla24xx_read_optrom_data,
2576 	.write_optrom		= qla24xx_write_optrom_data,
2577 	.get_flash_version	= qla24xx_get_flash_version,
2578 	.start_scsi		= qlafx00_start_scsi,
2579 	.start_scsi_mq          = NULL,
2580 	.abort_isp		= qlafx00_abort_isp,
2581 	.iospace_config		= qlafx00_iospace_config,
2582 	.initialize_adapter	= qlafx00_initialize_adapter,
2583 };
2584 
2585 static struct isp_operations qla27xx_isp_ops = {
2586 	.pci_config		= qla25xx_pci_config,
2587 	.reset_chip		= qla24xx_reset_chip,
2588 	.chip_diag		= qla24xx_chip_diag,
2589 	.config_rings		= qla24xx_config_rings,
2590 	.reset_adapter		= qla24xx_reset_adapter,
2591 	.nvram_config		= qla81xx_nvram_config,
2592 	.update_fw_options	= qla24xx_update_fw_options,
2593 	.load_risc		= qla81xx_load_risc,
2594 	.pci_info_str		= qla24xx_pci_info_str,
2595 	.fw_version_str		= qla24xx_fw_version_str,
2596 	.intr_handler		= qla24xx_intr_handler,
2597 	.enable_intrs		= qla24xx_enable_intrs,
2598 	.disable_intrs		= qla24xx_disable_intrs,
2599 	.abort_command		= qla24xx_abort_command,
2600 	.target_reset		= qla24xx_abort_target,
2601 	.lun_reset		= qla24xx_lun_reset,
2602 	.fabric_login		= qla24xx_login_fabric,
2603 	.fabric_logout		= qla24xx_fabric_logout,
2604 	.calc_req_entries	= NULL,
2605 	.build_iocbs		= NULL,
2606 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2607 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2608 	.read_nvram		= NULL,
2609 	.write_nvram		= NULL,
2610 	.fw_dump		= qla27xx_fwdump,
2611 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2612 	.beacon_on		= qla24xx_beacon_on,
2613 	.beacon_off		= qla24xx_beacon_off,
2614 	.beacon_blink		= qla83xx_beacon_blink,
2615 	.read_optrom		= qla25xx_read_optrom_data,
2616 	.write_optrom		= qla24xx_write_optrom_data,
2617 	.get_flash_version	= qla24xx_get_flash_version,
2618 	.start_scsi		= qla24xx_dif_start_scsi,
2619 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2620 	.abort_isp		= qla2x00_abort_isp,
2621 	.iospace_config		= qla83xx_iospace_config,
2622 	.initialize_adapter	= qla2x00_initialize_adapter,
2623 };
2624 
2625 static inline void
qla2x00_set_isp_flags(struct qla_hw_data * ha)2626 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2627 {
2628 	ha->device_type = DT_EXTENDED_IDS;
2629 	switch (ha->pdev->device) {
2630 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2631 		ha->isp_type |= DT_ISP2100;
2632 		ha->device_type &= ~DT_EXTENDED_IDS;
2633 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2634 		break;
2635 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2636 		ha->isp_type |= DT_ISP2200;
2637 		ha->device_type &= ~DT_EXTENDED_IDS;
2638 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2639 		break;
2640 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2641 		ha->isp_type |= DT_ISP2300;
2642 		ha->device_type |= DT_ZIO_SUPPORTED;
2643 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2644 		break;
2645 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2646 		ha->isp_type |= DT_ISP2312;
2647 		ha->device_type |= DT_ZIO_SUPPORTED;
2648 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2649 		break;
2650 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2651 		ha->isp_type |= DT_ISP2322;
2652 		ha->device_type |= DT_ZIO_SUPPORTED;
2653 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2654 		    ha->pdev->subsystem_device == 0x0170)
2655 			ha->device_type |= DT_OEM_001;
2656 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2657 		break;
2658 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2659 		ha->isp_type |= DT_ISP6312;
2660 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2661 		break;
2662 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2663 		ha->isp_type |= DT_ISP6322;
2664 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2665 		break;
2666 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2667 		ha->isp_type |= DT_ISP2422;
2668 		ha->device_type |= DT_ZIO_SUPPORTED;
2669 		ha->device_type |= DT_FWI2;
2670 		ha->device_type |= DT_IIDMA;
2671 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2672 		break;
2673 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2674 		ha->isp_type |= DT_ISP2432;
2675 		ha->device_type |= DT_ZIO_SUPPORTED;
2676 		ha->device_type |= DT_FWI2;
2677 		ha->device_type |= DT_IIDMA;
2678 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2679 		break;
2680 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2681 		ha->isp_type |= DT_ISP8432;
2682 		ha->device_type |= DT_ZIO_SUPPORTED;
2683 		ha->device_type |= DT_FWI2;
2684 		ha->device_type |= DT_IIDMA;
2685 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2686 		break;
2687 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2688 		ha->isp_type |= DT_ISP5422;
2689 		ha->device_type |= DT_FWI2;
2690 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2691 		break;
2692 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2693 		ha->isp_type |= DT_ISP5432;
2694 		ha->device_type |= DT_FWI2;
2695 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2696 		break;
2697 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2698 		ha->isp_type |= DT_ISP2532;
2699 		ha->device_type |= DT_ZIO_SUPPORTED;
2700 		ha->device_type |= DT_FWI2;
2701 		ha->device_type |= DT_IIDMA;
2702 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2703 		break;
2704 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2705 		ha->isp_type |= DT_ISP8001;
2706 		ha->device_type |= DT_ZIO_SUPPORTED;
2707 		ha->device_type |= DT_FWI2;
2708 		ha->device_type |= DT_IIDMA;
2709 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2710 		break;
2711 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2712 		ha->isp_type |= DT_ISP8021;
2713 		ha->device_type |= DT_ZIO_SUPPORTED;
2714 		ha->device_type |= DT_FWI2;
2715 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2716 		/* Initialize 82XX ISP flags */
2717 		qla82xx_init_flags(ha);
2718 		break;
2719 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2720 		ha->isp_type |= DT_ISP8044;
2721 		ha->device_type |= DT_ZIO_SUPPORTED;
2722 		ha->device_type |= DT_FWI2;
2723 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2724 		/* Initialize 82XX ISP flags */
2725 		qla82xx_init_flags(ha);
2726 		break;
2727 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2728 		ha->isp_type |= DT_ISP2031;
2729 		ha->device_type |= DT_ZIO_SUPPORTED;
2730 		ha->device_type |= DT_FWI2;
2731 		ha->device_type |= DT_IIDMA;
2732 		ha->device_type |= DT_T10_PI;
2733 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2734 		break;
2735 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2736 		ha->isp_type |= DT_ISP8031;
2737 		ha->device_type |= DT_ZIO_SUPPORTED;
2738 		ha->device_type |= DT_FWI2;
2739 		ha->device_type |= DT_IIDMA;
2740 		ha->device_type |= DT_T10_PI;
2741 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2742 		break;
2743 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2744 		ha->isp_type |= DT_ISPFX00;
2745 		break;
2746 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2747 		ha->isp_type |= DT_ISP2071;
2748 		ha->device_type |= DT_ZIO_SUPPORTED;
2749 		ha->device_type |= DT_FWI2;
2750 		ha->device_type |= DT_IIDMA;
2751 		ha->device_type |= DT_T10_PI;
2752 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2753 		break;
2754 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2755 		ha->isp_type |= DT_ISP2271;
2756 		ha->device_type |= DT_ZIO_SUPPORTED;
2757 		ha->device_type |= DT_FWI2;
2758 		ha->device_type |= DT_IIDMA;
2759 		ha->device_type |= DT_T10_PI;
2760 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2761 		break;
2762 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2763 		ha->isp_type |= DT_ISP2261;
2764 		ha->device_type |= DT_ZIO_SUPPORTED;
2765 		ha->device_type |= DT_FWI2;
2766 		ha->device_type |= DT_IIDMA;
2767 		ha->device_type |= DT_T10_PI;
2768 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2769 		break;
2770 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2771 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2772 		ha->isp_type |= DT_ISP2081;
2773 		ha->device_type |= DT_ZIO_SUPPORTED;
2774 		ha->device_type |= DT_FWI2;
2775 		ha->device_type |= DT_IIDMA;
2776 		ha->device_type |= DT_T10_PI;
2777 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2778 		break;
2779 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2780 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2781 		ha->isp_type |= DT_ISP2281;
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 	}
2789 
2790 	if (IS_QLA82XX(ha))
2791 		ha->port_no = ha->portnum & 1;
2792 	else {
2793 		/* Get adapter physical port no from interrupt pin register. */
2794 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2795 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2796 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2797 			ha->port_no--;
2798 		else
2799 			ha->port_no = !(ha->port_no & 1);
2800 	}
2801 
2802 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2803 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2804 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2805 }
2806 
2807 static void
qla2xxx_scan_start(struct Scsi_Host * shost)2808 qla2xxx_scan_start(struct Scsi_Host *shost)
2809 {
2810 	scsi_qla_host_t *vha = shost_priv(shost);
2811 
2812 	if (vha->hw->flags.running_gold_fw)
2813 		return;
2814 
2815 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2816 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2817 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2818 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2819 }
2820 
2821 static int
qla2xxx_scan_finished(struct Scsi_Host * shost,unsigned long time)2822 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2823 {
2824 	scsi_qla_host_t *vha = shost_priv(shost);
2825 
2826 	if (test_bit(UNLOADING, &vha->dpc_flags))
2827 		return 1;
2828 	if (!vha->host)
2829 		return 1;
2830 	if (time > vha->hw->loop_reset_delay * HZ)
2831 		return 1;
2832 
2833 	return atomic_read(&vha->loop_state) == LOOP_READY;
2834 }
2835 
qla_heartbeat_work_fn(struct work_struct * work)2836 static void qla_heartbeat_work_fn(struct work_struct *work)
2837 {
2838 	struct qla_hw_data *ha = container_of(work,
2839 		struct qla_hw_data, heartbeat_work);
2840 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2841 
2842 	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2843 		qla_no_op_mb(base_vha);
2844 }
2845 
qla2x00_iocb_work_fn(struct work_struct * work)2846 static void qla2x00_iocb_work_fn(struct work_struct *work)
2847 {
2848 	struct scsi_qla_host *vha = container_of(work,
2849 		struct scsi_qla_host, iocb_work);
2850 	struct qla_hw_data *ha = vha->hw;
2851 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2852 	int i = 2;
2853 	unsigned long flags;
2854 
2855 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2856 		return;
2857 
2858 	while (!list_empty(&vha->work_list) && i > 0) {
2859 		qla2x00_do_work(vha);
2860 		i--;
2861 	}
2862 
2863 	spin_lock_irqsave(&vha->work_lock, flags);
2864 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2865 	spin_unlock_irqrestore(&vha->work_lock, flags);
2866 }
2867 
2868 static void
qla_trace_init(void)2869 qla_trace_init(void)
2870 {
2871 	qla_trc_array = trace_array_get_by_name("qla2xxx", NULL);
2872 	if (!qla_trc_array) {
2873 		ql_log(ql_log_fatal, NULL, 0x0001,
2874 		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2875 		return;
2876 	}
2877 
2878 	QLA_TRACE_ENABLE(qla_trc_array);
2879 }
2880 
2881 static void
qla_trace_uninit(void)2882 qla_trace_uninit(void)
2883 {
2884 	if (!qla_trc_array)
2885 		return;
2886 	trace_array_put(qla_trc_array);
2887 }
2888 
2889 /*
2890  * PCI driver interface
2891  */
2892 static int
qla2x00_probe_one(struct pci_dev * pdev,const struct pci_device_id * id)2893 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2894 {
2895 	int	ret = -ENODEV;
2896 	struct Scsi_Host *host;
2897 	scsi_qla_host_t *base_vha = NULL;
2898 	struct qla_hw_data *ha;
2899 	char pci_info[30];
2900 	char fw_str[30], wq_name[30];
2901 	struct scsi_host_template *sht;
2902 	int bars, mem_only = 0;
2903 	uint16_t req_length = 0, rsp_length = 0;
2904 	struct req_que *req = NULL;
2905 	struct rsp_que *rsp = NULL;
2906 	int i;
2907 
2908 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2909 	sht = &qla2xxx_driver_template;
2910 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2911 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2912 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2913 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2914 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2915 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2916 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2917 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2918 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2919 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2920 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2921 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2922 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2923 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2924 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2925 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2926 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2927 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2928 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2929 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2930 		mem_only = 1;
2931 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2932 		    "Mem only adapter.\n");
2933 	}
2934 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2935 	    "Bars=%d.\n", bars);
2936 
2937 	if (mem_only) {
2938 		if (pci_enable_device_mem(pdev))
2939 			return ret;
2940 	} else {
2941 		if (pci_enable_device(pdev))
2942 			return ret;
2943 	}
2944 
2945 	if (is_kdump_kernel()) {
2946 		ql2xmqsupport = 0;
2947 		ql2xallocfwdump = 0;
2948 	}
2949 
2950 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2951 	if (!ha) {
2952 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2953 		    "Unable to allocate memory for ha.\n");
2954 		goto disable_device;
2955 	}
2956 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2957 	    "Memory allocated for ha=%p.\n", ha);
2958 	ha->pdev = pdev;
2959 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2960 	spin_lock_init(&ha->tgt.q_full_lock);
2961 	spin_lock_init(&ha->tgt.sess_lock);
2962 	spin_lock_init(&ha->tgt.atio_lock);
2963 
2964 	spin_lock_init(&ha->sadb_lock);
2965 	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2966 	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2967 
2968 	spin_lock_init(&ha->sadb_fp_lock);
2969 
2970 	if (qla_edif_sadb_build_free_pool(ha)) {
2971 		kfree(ha);
2972 		goto  disable_device;
2973 	}
2974 
2975 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2976 
2977 	/* Clear our data area */
2978 	ha->bars = bars;
2979 	ha->mem_only = mem_only;
2980 	spin_lock_init(&ha->hardware_lock);
2981 	spin_lock_init(&ha->vport_slock);
2982 	mutex_init(&ha->selflogin_lock);
2983 	mutex_init(&ha->optrom_mutex);
2984 
2985 	/* Set ISP-type information. */
2986 	qla2x00_set_isp_flags(ha);
2987 
2988 	/* Set EEH reset type to fundamental if required by hba */
2989 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2990 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2991 		pdev->needs_freset = 1;
2992 
2993 	ha->prev_topology = 0;
2994 	ha->init_cb_size = sizeof(init_cb_t);
2995 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2996 	ha->optrom_size = OPTROM_SIZE_2300;
2997 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2998 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2999 	atomic_set(&ha->num_pend_mbx_stage2, 0);
3000 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
3001 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
3002 	INIT_LIST_HEAD(&ha->tmf_pending);
3003 	INIT_LIST_HEAD(&ha->tmf_active);
3004 
3005 	/* Assign ISP specific operations. */
3006 	if (IS_QLA2100(ha)) {
3007 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3008 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
3009 		req_length = REQUEST_ENTRY_CNT_2100;
3010 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3011 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3012 		ha->gid_list_info_size = 4;
3013 		ha->flash_conf_off = ~0;
3014 		ha->flash_data_off = ~0;
3015 		ha->nvram_conf_off = ~0;
3016 		ha->nvram_data_off = ~0;
3017 		ha->isp_ops = &qla2100_isp_ops;
3018 	} else if (IS_QLA2200(ha)) {
3019 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3020 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3021 		req_length = REQUEST_ENTRY_CNT_2200;
3022 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3023 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3024 		ha->gid_list_info_size = 4;
3025 		ha->flash_conf_off = ~0;
3026 		ha->flash_data_off = ~0;
3027 		ha->nvram_conf_off = ~0;
3028 		ha->nvram_data_off = ~0;
3029 		ha->isp_ops = &qla2100_isp_ops;
3030 	} else if (IS_QLA23XX(ha)) {
3031 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3032 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3033 		req_length = REQUEST_ENTRY_CNT_2200;
3034 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3035 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3036 		ha->gid_list_info_size = 6;
3037 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3038 			ha->optrom_size = OPTROM_SIZE_2322;
3039 		ha->flash_conf_off = ~0;
3040 		ha->flash_data_off = ~0;
3041 		ha->nvram_conf_off = ~0;
3042 		ha->nvram_data_off = ~0;
3043 		ha->isp_ops = &qla2300_isp_ops;
3044 	} else if (IS_QLA24XX_TYPE(ha)) {
3045 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3046 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3047 		req_length = REQUEST_ENTRY_CNT_24XX;
3048 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3049 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3050 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3051 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3052 		ha->gid_list_info_size = 8;
3053 		ha->optrom_size = OPTROM_SIZE_24XX;
3054 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3055 		ha->isp_ops = &qla24xx_isp_ops;
3056 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3057 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3058 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3059 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3060 	} else if (IS_QLA25XX(ha)) {
3061 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3062 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3063 		req_length = REQUEST_ENTRY_CNT_24XX;
3064 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3065 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3066 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3067 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3068 		ha->gid_list_info_size = 8;
3069 		ha->optrom_size = OPTROM_SIZE_25XX;
3070 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3071 		ha->isp_ops = &qla25xx_isp_ops;
3072 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3073 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3074 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3075 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3076 	} else if (IS_QLA81XX(ha)) {
3077 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3078 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3079 		req_length = REQUEST_ENTRY_CNT_24XX;
3080 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3081 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3082 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3083 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3084 		ha->gid_list_info_size = 8;
3085 		ha->optrom_size = OPTROM_SIZE_81XX;
3086 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3087 		ha->isp_ops = &qla81xx_isp_ops;
3088 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3089 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3090 		ha->nvram_conf_off = ~0;
3091 		ha->nvram_data_off = ~0;
3092 	} else if (IS_QLA82XX(ha)) {
3093 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3094 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3095 		req_length = REQUEST_ENTRY_CNT_82XX;
3096 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3097 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3098 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3099 		ha->gid_list_info_size = 8;
3100 		ha->optrom_size = OPTROM_SIZE_82XX;
3101 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3102 		ha->isp_ops = &qla82xx_isp_ops;
3103 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3104 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3105 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3106 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3107 	} else if (IS_QLA8044(ha)) {
3108 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3109 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3110 		req_length = REQUEST_ENTRY_CNT_82XX;
3111 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3112 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3113 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3114 		ha->gid_list_info_size = 8;
3115 		ha->optrom_size = OPTROM_SIZE_83XX;
3116 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3117 		ha->isp_ops = &qla8044_isp_ops;
3118 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3119 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3120 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3121 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3122 	} else if (IS_QLA83XX(ha)) {
3123 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3124 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3125 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3126 		req_length = REQUEST_ENTRY_CNT_83XX;
3127 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3128 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3129 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3130 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3131 		ha->gid_list_info_size = 8;
3132 		ha->optrom_size = OPTROM_SIZE_83XX;
3133 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3134 		ha->isp_ops = &qla83xx_isp_ops;
3135 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3136 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3137 		ha->nvram_conf_off = ~0;
3138 		ha->nvram_data_off = ~0;
3139 	}  else if (IS_QLAFX00(ha)) {
3140 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3141 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3142 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3143 		req_length = REQUEST_ENTRY_CNT_FX00;
3144 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3145 		ha->isp_ops = &qlafx00_isp_ops;
3146 		ha->port_down_retry_count = 30; /* default value */
3147 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3148 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3149 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3150 		ha->mr.fw_hbt_en = 1;
3151 		ha->mr.host_info_resend = false;
3152 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3153 	} else if (IS_QLA27XX(ha)) {
3154 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3155 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3156 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3157 		req_length = REQUEST_ENTRY_CNT_83XX;
3158 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3159 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3160 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3161 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3162 		ha->gid_list_info_size = 8;
3163 		ha->optrom_size = OPTROM_SIZE_83XX;
3164 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3165 		ha->isp_ops = &qla27xx_isp_ops;
3166 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3167 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3168 		ha->nvram_conf_off = ~0;
3169 		ha->nvram_data_off = ~0;
3170 	} else if (IS_QLA28XX(ha)) {
3171 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3172 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3173 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3174 		req_length = REQUEST_ENTRY_CNT_83XX;
3175 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3176 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3177 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3178 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3179 		ha->gid_list_info_size = 8;
3180 		ha->optrom_size = OPTROM_SIZE_28XX;
3181 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3182 		ha->isp_ops = &qla27xx_isp_ops;
3183 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3184 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3185 		ha->nvram_conf_off = ~0;
3186 		ha->nvram_data_off = ~0;
3187 	}
3188 
3189 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3190 	    "mbx_count=%d, req_length=%d, "
3191 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3192 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3193 	    "max_fibre_devices=%d.\n",
3194 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3195 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3196 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3197 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3198 	    "isp_ops=%p, flash_conf_off=%d, "
3199 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3200 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3201 	    ha->nvram_conf_off, ha->nvram_data_off);
3202 
3203 	/* Configure PCI I/O space */
3204 	ret = ha->isp_ops->iospace_config(ha);
3205 	if (ret)
3206 		goto iospace_config_failed;
3207 
3208 	ql_log_pci(ql_log_info, pdev, 0x001d,
3209 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3210 	    pdev->device, pdev->irq, ha->iobase);
3211 	mutex_init(&ha->vport_lock);
3212 	mutex_init(&ha->mq_lock);
3213 	init_completion(&ha->mbx_cmd_comp);
3214 	complete(&ha->mbx_cmd_comp);
3215 	init_completion(&ha->mbx_intr_comp);
3216 	init_completion(&ha->dcbx_comp);
3217 	init_completion(&ha->lb_portup_comp);
3218 
3219 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3220 
3221 	qla2x00_config_dma_addressing(ha);
3222 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3223 	    "64 Bit addressing is %s.\n",
3224 	    ha->flags.enable_64bit_addressing ? "enable" :
3225 	    "disable");
3226 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3227 	if (ret) {
3228 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3229 		    "Failed to allocate memory for adapter, aborting.\n");
3230 
3231 		goto probe_hw_failed;
3232 	}
3233 
3234 	req->max_q_depth = MAX_Q_DEPTH;
3235 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3236 		req->max_q_depth = ql2xmaxqdepth;
3237 
3238 
3239 	base_vha = qla2x00_create_host(sht, ha);
3240 	if (!base_vha) {
3241 		ret = -ENOMEM;
3242 		goto probe_hw_failed;
3243 	}
3244 
3245 	pci_set_drvdata(pdev, base_vha);
3246 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3247 
3248 	host = base_vha->host;
3249 	base_vha->req = req;
3250 	if (IS_QLA2XXX_MIDTYPE(ha))
3251 		base_vha->mgmt_svr_loop_id =
3252 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3253 	else
3254 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3255 						base_vha->vp_idx;
3256 
3257 	/* Setup fcport template structure. */
3258 	ha->mr.fcport.vha = base_vha;
3259 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3260 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3261 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3262 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3263 	ha->mr.fcport.scan_state = 1;
3264 
3265 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3266 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3267 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3268 
3269 	/* Set the SG table size based on ISP type */
3270 	if (!IS_FWI2_CAPABLE(ha)) {
3271 		if (IS_QLA2100(ha))
3272 			host->sg_tablesize = 32;
3273 	} else {
3274 		if (!IS_QLA82XX(ha))
3275 			host->sg_tablesize = QLA_SG_ALL;
3276 	}
3277 	host->max_id = ha->max_fibre_devices;
3278 	host->cmd_per_lun = 3;
3279 	host->unique_id = host->host_no;
3280 
3281 	if (ql2xenabledif && ql2xenabledif != 2) {
3282 		ql_log(ql_log_warn, base_vha, 0x302d,
3283 		       "Invalid value for ql2xenabledif, resetting it to default (2)\n");
3284 		ql2xenabledif = 2;
3285 	}
3286 
3287 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3288 		host->max_cmd_len = 32;
3289 	else
3290 		host->max_cmd_len = MAX_CMDSZ;
3291 	host->max_channel = MAX_BUSES - 1;
3292 	/* Older HBAs support only 16-bit LUNs */
3293 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3294 	    ql2xmaxlun > 0xffff)
3295 		host->max_lun = 0xffff;
3296 	else
3297 		host->max_lun = ql2xmaxlun;
3298 	host->transportt = qla2xxx_transport_template;
3299 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3300 
3301 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3302 	    "max_id=%d this_id=%d "
3303 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3304 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3305 	    host->this_id, host->cmd_per_lun, host->unique_id,
3306 	    host->max_cmd_len, host->max_channel, host->max_lun,
3307 	    host->transportt, sht->vendor_id);
3308 
3309 	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3310 
3311 	/* Set up the irqs */
3312 	ret = qla2x00_request_irqs(ha, rsp);
3313 	if (ret)
3314 		goto probe_failed;
3315 
3316 	/* Alloc arrays of request and response ring ptrs */
3317 	ret = qla2x00_alloc_queues(ha, req, rsp);
3318 	if (ret) {
3319 		ql_log(ql_log_fatal, base_vha, 0x003d,
3320 		    "Failed to allocate memory for queue pointers..."
3321 		    "aborting.\n");
3322 		ret = -ENODEV;
3323 		goto probe_failed;
3324 	}
3325 
3326 	if (ha->mqenable) {
3327 		/* number of hardware queues supported by blk/scsi-mq*/
3328 		host->nr_hw_queues = ha->max_qpairs;
3329 
3330 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3331 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3332 	} else {
3333 		if (ql2xnvmeenable) {
3334 			host->nr_hw_queues = ha->max_qpairs;
3335 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3336 			    "FC-NVMe support is enabled, HW queues=%d\n",
3337 			    host->nr_hw_queues);
3338 		} else {
3339 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3340 			    "blk/scsi-mq disabled.\n");
3341 		}
3342 	}
3343 
3344 	qlt_probe_one_stage1(base_vha, ha);
3345 
3346 	pci_save_state(pdev);
3347 
3348 	/* Assign back pointers */
3349 	rsp->req = req;
3350 	req->rsp = rsp;
3351 
3352 	if (IS_QLAFX00(ha)) {
3353 		ha->rsp_q_map[0] = rsp;
3354 		ha->req_q_map[0] = req;
3355 		set_bit(0, ha->req_qid_map);
3356 		set_bit(0, ha->rsp_qid_map);
3357 	}
3358 
3359 	/* FWI2-capable only. */
3360 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3361 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3362 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3363 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3364 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3365 	    IS_QLA28XX(ha)) {
3366 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3367 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3368 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3369 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3370 	}
3371 
3372 	if (IS_QLAFX00(ha)) {
3373 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3374 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3375 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3376 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3377 	}
3378 
3379 	if (IS_P3P_TYPE(ha)) {
3380 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3381 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3382 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3383 	}
3384 
3385 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3386 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3387 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3388 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3389 	    "req->req_q_in=%p req->req_q_out=%p "
3390 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3391 	    req->req_q_in, req->req_q_out,
3392 	    rsp->rsp_q_in, rsp->rsp_q_out);
3393 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3394 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3395 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3396 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3397 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3398 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3399 
3400 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3401 	if (unlikely(!ha->wq)) {
3402 		ret = -ENOMEM;
3403 		goto probe_failed;
3404 	}
3405 
3406 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3407 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3408 		    "Failed to initialize adapter - Adapter flags %x.\n",
3409 		    base_vha->device_flags);
3410 
3411 		if (IS_QLA82XX(ha)) {
3412 			qla82xx_idc_lock(ha);
3413 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3414 				QLA8XXX_DEV_FAILED);
3415 			qla82xx_idc_unlock(ha);
3416 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3417 			    "HW State: FAILED.\n");
3418 		} else if (IS_QLA8044(ha)) {
3419 			qla8044_idc_lock(ha);
3420 			qla8044_wr_direct(base_vha,
3421 				QLA8044_CRB_DEV_STATE_INDEX,
3422 				QLA8XXX_DEV_FAILED);
3423 			qla8044_idc_unlock(ha);
3424 			ql_log(ql_log_fatal, base_vha, 0x0150,
3425 			    "HW State: FAILED.\n");
3426 		}
3427 
3428 		ret = -ENODEV;
3429 		goto probe_failed;
3430 	}
3431 
3432 	if (IS_QLAFX00(ha))
3433 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3434 	else
3435 		host->can_queue = req->num_outstanding_cmds - 10;
3436 
3437 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3438 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3439 	    host->can_queue, base_vha->req,
3440 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3441 
3442 	/* Check if FW supports MQ or not for ISP25xx */
3443 	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3444 		ha->mqenable = 0;
3445 
3446 	if (ha->mqenable) {
3447 		bool startit = false;
3448 
3449 		if (QLA_TGT_MODE_ENABLED())
3450 			startit = false;
3451 
3452 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3453 			startit = true;
3454 
3455 		/* Create start of day qpairs for Block MQ */
3456 		for (i = 0; i < ha->max_qpairs; i++)
3457 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3458 	}
3459 	qla_init_iocb_limit(base_vha);
3460 
3461 	if (ha->flags.running_gold_fw)
3462 		goto skip_dpc;
3463 
3464 	/*
3465 	 * Startup the kernel thread for this host adapter
3466 	 */
3467 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3468 	    "%s_dpc", base_vha->host_str);
3469 	if (IS_ERR(ha->dpc_thread)) {
3470 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3471 		    "Failed to start DPC thread.\n");
3472 		ret = PTR_ERR(ha->dpc_thread);
3473 		ha->dpc_thread = NULL;
3474 		goto probe_failed;
3475 	}
3476 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3477 	    "DPC thread started successfully.\n");
3478 
3479 	/*
3480 	 * If we're not coming up in initiator mode, we might sit for
3481 	 * a while without waking up the dpc thread, which leads to a
3482 	 * stuck process warning.  So just kick the dpc once here and
3483 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3484 	 */
3485 	qla2xxx_wake_dpc(base_vha);
3486 
3487 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3488 
3489 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3490 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3491 		ha->dpc_lp_wq =
3492 			alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, wq_name);
3493 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3494 
3495 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3496 		ha->dpc_hp_wq =
3497 			alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, wq_name);
3498 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3499 		INIT_WORK(&ha->idc_state_handler,
3500 		    qla83xx_idc_state_handler_work);
3501 		INIT_WORK(&ha->nic_core_unrecoverable,
3502 		    qla83xx_nic_core_unrecoverable_work);
3503 	}
3504 
3505 skip_dpc:
3506 	list_add_tail(&base_vha->list, &ha->vp_list);
3507 	base_vha->host->irq = ha->pdev->irq;
3508 
3509 	/* Initialized the timer */
3510 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3511 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3512 	    "Started qla2x00_timer with "
3513 	    "interval=%d.\n", WATCH_INTERVAL);
3514 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3515 	    "Detected hba at address=%p.\n",
3516 	    ha);
3517 
3518 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3519 		if (ha->fw_attributes & BIT_4) {
3520 			int prot = 0, guard;
3521 
3522 			base_vha->flags.difdix_supported = 1;
3523 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3524 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3525 			if (ql2xprotmask)
3526 				scsi_host_set_prot(host, ql2xprotmask);
3527 			else
3528 				scsi_host_set_prot(host,
3529 				    prot | SHOST_DIF_TYPE1_PROTECTION
3530 				    | SHOST_DIF_TYPE2_PROTECTION
3531 				    | SHOST_DIF_TYPE3_PROTECTION
3532 				    | SHOST_DIX_TYPE1_PROTECTION
3533 				    | SHOST_DIX_TYPE2_PROTECTION
3534 				    | SHOST_DIX_TYPE3_PROTECTION);
3535 
3536 			guard = SHOST_DIX_GUARD_CRC;
3537 
3538 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3539 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3540 				guard |= SHOST_DIX_GUARD_IP;
3541 
3542 			if (ql2xprotguard)
3543 				scsi_host_set_guard(host, ql2xprotguard);
3544 			else
3545 				scsi_host_set_guard(host, guard);
3546 		} else
3547 			base_vha->flags.difdix_supported = 0;
3548 	}
3549 
3550 	ha->isp_ops->enable_intrs(ha);
3551 
3552 	if (IS_QLAFX00(ha)) {
3553 		ret = qlafx00_fx_disc(base_vha,
3554 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3555 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3556 		    QLA_SG_ALL : 128;
3557 	}
3558 
3559 	if (IS_T10_PI_CAPABLE(base_vha->hw))
3560 		host->dma_alignment = 0x7;
3561 
3562 	ret = scsi_add_host(host, &pdev->dev);
3563 	if (ret)
3564 		goto probe_failed;
3565 
3566 	base_vha->flags.init_done = 1;
3567 	base_vha->flags.online = 1;
3568 	ha->prev_minidump_failed = 0;
3569 
3570 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3571 	    "Init done and hba is online.\n");
3572 
3573 	if (qla_ini_mode_enabled(base_vha) ||
3574 		qla_dual_mode_enabled(base_vha))
3575 		scsi_scan_host(host);
3576 	else
3577 		ql_log(ql_log_info, base_vha, 0x0122,
3578 			"skipping scsi_scan_host() for non-initiator port\n");
3579 
3580 	qla2x00_alloc_sysfs_attr(base_vha);
3581 
3582 	if (IS_QLAFX00(ha)) {
3583 		ret = qlafx00_fx_disc(base_vha,
3584 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3585 
3586 		/* Register system information */
3587 		ret =  qlafx00_fx_disc(base_vha,
3588 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3589 	}
3590 
3591 	qla2x00_init_host_attr(base_vha);
3592 
3593 	qla2x00_dfs_setup(base_vha);
3594 
3595 	ql_log(ql_log_info, base_vha, 0x00fb,
3596 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3597 	ql_log(ql_log_info, base_vha, 0x00fc,
3598 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3599 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3600 						       sizeof(pci_info)),
3601 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3602 	    base_vha->host_no,
3603 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3604 
3605 	qlt_add_target(ha, base_vha);
3606 
3607 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3608 
3609 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3610 		return -ENODEV;
3611 
3612 	return 0;
3613 
3614 probe_failed:
3615 	qla_enode_stop(base_vha);
3616 	qla_edb_stop(base_vha);
3617 	vfree(base_vha->scan.l);
3618 	if (base_vha->gnl.l) {
3619 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3620 				base_vha->gnl.l, base_vha->gnl.ldma);
3621 		base_vha->gnl.l = NULL;
3622 	}
3623 
3624 	if (base_vha->timer_active)
3625 		qla2x00_stop_timer(base_vha);
3626 	base_vha->flags.online = 0;
3627 	if (ha->dpc_thread) {
3628 		struct task_struct *t = ha->dpc_thread;
3629 
3630 		ha->dpc_thread = NULL;
3631 		kthread_stop(t);
3632 	}
3633 
3634 	qla2x00_free_device(base_vha);
3635 	scsi_host_put(base_vha->host);
3636 	/*
3637 	 * Need to NULL out local req/rsp after
3638 	 * qla2x00_free_device => qla2x00_free_queues frees
3639 	 * what these are pointing to. Or else we'll
3640 	 * fall over below in qla2x00_free_req/rsp_que.
3641 	 */
3642 	req = NULL;
3643 	rsp = NULL;
3644 
3645 probe_hw_failed:
3646 	qla2x00_mem_free(ha);
3647 	qla2x00_free_req_que(ha, req);
3648 	qla2x00_free_rsp_que(ha, rsp);
3649 	qla2x00_clear_drv_active(ha);
3650 
3651 iospace_config_failed:
3652 	if (IS_P3P_TYPE(ha)) {
3653 		if (!ha->nx_pcibase)
3654 			iounmap((device_reg_t *)ha->nx_pcibase);
3655 		if (!ql2xdbwr)
3656 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3657 	} else {
3658 		if (ha->iobase)
3659 			iounmap(ha->iobase);
3660 		if (ha->cregbase)
3661 			iounmap(ha->cregbase);
3662 	}
3663 	pci_release_selected_regions(ha->pdev, ha->bars);
3664 	kfree(ha);
3665 
3666 disable_device:
3667 	pci_disable_device(pdev);
3668 	return ret;
3669 }
3670 
__qla_set_remove_flag(scsi_qla_host_t * base_vha)3671 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3672 {
3673 	scsi_qla_host_t *vp;
3674 	unsigned long flags;
3675 	struct qla_hw_data *ha;
3676 
3677 	if (!base_vha)
3678 		return;
3679 
3680 	ha = base_vha->hw;
3681 
3682 	spin_lock_irqsave(&ha->vport_slock, flags);
3683 	list_for_each_entry(vp, &ha->vp_list, list)
3684 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3685 
3686 	/*
3687 	 * Indicate device removal to prevent future board_disable
3688 	 * and wait until any pending board_disable has completed.
3689 	 */
3690 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3691 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3692 }
3693 
3694 static void
qla2x00_shutdown(struct pci_dev * pdev)3695 qla2x00_shutdown(struct pci_dev *pdev)
3696 {
3697 	scsi_qla_host_t *vha;
3698 	struct qla_hw_data  *ha;
3699 
3700 	vha = pci_get_drvdata(pdev);
3701 	ha = vha->hw;
3702 
3703 	ql_log(ql_log_info, vha, 0xfffa,
3704 		"Adapter shutdown\n");
3705 
3706 	/*
3707 	 * Prevent future board_disable and wait
3708 	 * until any pending board_disable has completed.
3709 	 */
3710 	__qla_set_remove_flag(vha);
3711 	cancel_work_sync(&ha->board_disable);
3712 
3713 	if (!atomic_read(&pdev->enable_cnt))
3714 		return;
3715 
3716 	/* Notify ISPFX00 firmware */
3717 	if (IS_QLAFX00(ha))
3718 		qlafx00_driver_shutdown(vha, 20);
3719 
3720 	/* Turn-off FCE trace */
3721 	if (ha->flags.fce_enabled) {
3722 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3723 		ha->flags.fce_enabled = 0;
3724 	}
3725 
3726 	/* Turn-off EFT trace */
3727 	if (ha->eft)
3728 		qla2x00_disable_eft_trace(vha);
3729 
3730 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3731 	    IS_QLA28XX(ha)) {
3732 		if (ha->flags.fw_started)
3733 			qla2x00_abort_isp_cleanup(vha);
3734 	} else {
3735 		/* Stop currently executing firmware. */
3736 		qla2x00_try_to_stop_firmware(vha);
3737 	}
3738 
3739 	/* Disable timer */
3740 	if (vha->timer_active)
3741 		qla2x00_stop_timer(vha);
3742 
3743 	/* Turn adapter off line */
3744 	vha->flags.online = 0;
3745 
3746 	/* turn-off interrupts on the card */
3747 	if (ha->interrupts_on) {
3748 		vha->flags.init_done = 0;
3749 		ha->isp_ops->disable_intrs(ha);
3750 	}
3751 
3752 	qla2x00_free_irqs(vha);
3753 
3754 	qla2x00_free_fw_dump(ha);
3755 
3756 	pci_disable_device(pdev);
3757 	ql_log(ql_log_info, vha, 0xfffe,
3758 		"Adapter shutdown successfully.\n");
3759 }
3760 
3761 /* Deletes all the virtual ports for a given ha */
3762 static void
qla2x00_delete_all_vps(struct qla_hw_data * ha,scsi_qla_host_t * base_vha)3763 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3764 {
3765 	scsi_qla_host_t *vha;
3766 	unsigned long flags;
3767 
3768 	mutex_lock(&ha->vport_lock);
3769 	while (ha->cur_vport_count) {
3770 		spin_lock_irqsave(&ha->vport_slock, flags);
3771 
3772 		BUG_ON(base_vha->list.next == &ha->vp_list);
3773 		/* This assumes first entry in ha->vp_list is always base vha */
3774 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3775 		scsi_host_get(vha->host);
3776 
3777 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3778 		mutex_unlock(&ha->vport_lock);
3779 
3780 		qla_nvme_delete(vha);
3781 
3782 		fc_vport_terminate(vha->fc_vport);
3783 		scsi_host_put(vha->host);
3784 
3785 		mutex_lock(&ha->vport_lock);
3786 	}
3787 	mutex_unlock(&ha->vport_lock);
3788 }
3789 
3790 /* Stops all deferred work threads */
3791 static void
qla2x00_destroy_deferred_work(struct qla_hw_data * ha)3792 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3793 {
3794 	/* Cancel all work and destroy DPC workqueues */
3795 	if (ha->dpc_lp_wq) {
3796 		cancel_work_sync(&ha->idc_aen);
3797 		destroy_workqueue(ha->dpc_lp_wq);
3798 		ha->dpc_lp_wq = NULL;
3799 	}
3800 
3801 	if (ha->dpc_hp_wq) {
3802 		cancel_work_sync(&ha->nic_core_reset);
3803 		cancel_work_sync(&ha->idc_state_handler);
3804 		cancel_work_sync(&ha->nic_core_unrecoverable);
3805 		destroy_workqueue(ha->dpc_hp_wq);
3806 		ha->dpc_hp_wq = NULL;
3807 	}
3808 
3809 	/* Kill the kernel thread for this host */
3810 	if (ha->dpc_thread) {
3811 		struct task_struct *t = ha->dpc_thread;
3812 
3813 		/*
3814 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3815 		 * so we need to zero it out.
3816 		 */
3817 		ha->dpc_thread = NULL;
3818 		kthread_stop(t);
3819 	}
3820 }
3821 
3822 static void
qla2x00_unmap_iobases(struct qla_hw_data * ha)3823 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3824 {
3825 	if (IS_QLA82XX(ha)) {
3826 
3827 		iounmap((device_reg_t *)ha->nx_pcibase);
3828 		if (!ql2xdbwr)
3829 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3830 	} else {
3831 		if (ha->iobase)
3832 			iounmap(ha->iobase);
3833 
3834 		if (ha->cregbase)
3835 			iounmap(ha->cregbase);
3836 
3837 		if (ha->mqiobase)
3838 			iounmap(ha->mqiobase);
3839 
3840 		if (ha->msixbase)
3841 			iounmap(ha->msixbase);
3842 	}
3843 }
3844 
3845 static void
qla2x00_clear_drv_active(struct qla_hw_data * ha)3846 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3847 {
3848 	if (IS_QLA8044(ha)) {
3849 		qla8044_idc_lock(ha);
3850 		qla8044_clear_drv_active(ha);
3851 		qla8044_idc_unlock(ha);
3852 	} else if (IS_QLA82XX(ha)) {
3853 		qla82xx_idc_lock(ha);
3854 		qla82xx_clear_drv_active(ha);
3855 		qla82xx_idc_unlock(ha);
3856 	}
3857 }
3858 
3859 static void
qla2x00_remove_one(struct pci_dev * pdev)3860 qla2x00_remove_one(struct pci_dev *pdev)
3861 {
3862 	scsi_qla_host_t *base_vha;
3863 	struct qla_hw_data  *ha;
3864 
3865 	base_vha = pci_get_drvdata(pdev);
3866 	ha = base_vha->hw;
3867 	ql_log(ql_log_info, base_vha, 0xb079,
3868 	    "Removing driver\n");
3869 	__qla_set_remove_flag(base_vha);
3870 	cancel_work_sync(&ha->board_disable);
3871 
3872 	/*
3873 	 * If the PCI device is disabled then there was a PCI-disconnect and
3874 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3875 	 * resources.
3876 	 */
3877 	if (!atomic_read(&pdev->enable_cnt)) {
3878 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3879 		    base_vha->gnl.l, base_vha->gnl.ldma);
3880 		base_vha->gnl.l = NULL;
3881 		scsi_host_put(base_vha->host);
3882 		kfree(ha);
3883 		pci_set_drvdata(pdev, NULL);
3884 		return;
3885 	}
3886 	qla2x00_wait_for_hba_ready(base_vha);
3887 
3888 	/*
3889 	 * if UNLOADING flag is already set, then continue unload,
3890 	 * where it was set first.
3891 	 */
3892 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3893 		return;
3894 
3895 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3896 	    IS_QLA28XX(ha)) {
3897 		if (ha->flags.fw_started)
3898 			qla2x00_abort_isp_cleanup(base_vha);
3899 	} else if (!IS_QLAFX00(ha)) {
3900 		if (IS_QLA8031(ha)) {
3901 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3902 			    "Clearing fcoe driver presence.\n");
3903 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3904 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3905 				    "Error while clearing DRV-Presence.\n");
3906 		}
3907 
3908 		qla2x00_try_to_stop_firmware(base_vha);
3909 	}
3910 
3911 	qla2x00_wait_for_sess_deletion(base_vha);
3912 
3913 	qla_nvme_delete(base_vha);
3914 
3915 	dma_free_coherent(&ha->pdev->dev,
3916 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3917 
3918 	base_vha->gnl.l = NULL;
3919 	qla_enode_stop(base_vha);
3920 	qla_edb_stop(base_vha);
3921 
3922 	vfree(base_vha->scan.l);
3923 
3924 	if (IS_QLAFX00(ha))
3925 		qlafx00_driver_shutdown(base_vha, 20);
3926 
3927 	qla2x00_delete_all_vps(ha, base_vha);
3928 
3929 	qla2x00_dfs_remove(base_vha);
3930 
3931 	qla84xx_put_chip(base_vha);
3932 
3933 	/* Disable timer */
3934 	if (base_vha->timer_active)
3935 		qla2x00_stop_timer(base_vha);
3936 
3937 	base_vha->flags.online = 0;
3938 
3939 	/* free DMA memory */
3940 	if (ha->exlogin_buf)
3941 		qla2x00_free_exlogin_buffer(ha);
3942 
3943 	/* free DMA memory */
3944 	if (ha->exchoffld_buf)
3945 		qla2x00_free_exchoffld_buffer(ha);
3946 
3947 	qla2x00_destroy_deferred_work(ha);
3948 
3949 	qlt_remove_target(ha, base_vha);
3950 
3951 	qla2x00_free_sysfs_attr(base_vha, true);
3952 
3953 	fc_remove_host(base_vha->host);
3954 
3955 	scsi_remove_host(base_vha->host);
3956 
3957 	qla2x00_free_device(base_vha);
3958 
3959 	qla2x00_clear_drv_active(ha);
3960 
3961 	scsi_host_put(base_vha->host);
3962 
3963 	qla2x00_unmap_iobases(ha);
3964 
3965 	pci_release_selected_regions(ha->pdev, ha->bars);
3966 	kfree(ha);
3967 
3968 	pci_disable_device(pdev);
3969 }
3970 
3971 static inline void
qla24xx_free_purex_list(struct purex_list * list)3972 qla24xx_free_purex_list(struct purex_list *list)
3973 {
3974 	struct purex_item *item, *next;
3975 	ulong flags;
3976 
3977 	spin_lock_irqsave(&list->lock, flags);
3978 	list_for_each_entry_safe(item, next, &list->head, list) {
3979 		list_del(&item->list);
3980 		if (item == &item->vha->default_item)
3981 			continue;
3982 		kfree(item);
3983 	}
3984 	spin_unlock_irqrestore(&list->lock, flags);
3985 }
3986 
3987 static void
qla2x00_free_device(scsi_qla_host_t * vha)3988 qla2x00_free_device(scsi_qla_host_t *vha)
3989 {
3990 	struct qla_hw_data *ha = vha->hw;
3991 
3992 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3993 
3994 	/* Disable timer */
3995 	if (vha->timer_active)
3996 		qla2x00_stop_timer(vha);
3997 
3998 	qla25xx_delete_queues(vha);
3999 	vha->flags.online = 0;
4000 
4001 	/* turn-off interrupts on the card */
4002 	if (ha->interrupts_on) {
4003 		vha->flags.init_done = 0;
4004 		ha->isp_ops->disable_intrs(ha);
4005 	}
4006 
4007 	qla2x00_free_fcports(vha);
4008 
4009 	qla2x00_free_irqs(vha);
4010 
4011 	/* Flush the work queue and remove it */
4012 	if (ha->wq) {
4013 		destroy_workqueue(ha->wq);
4014 		ha->wq = NULL;
4015 	}
4016 
4017 
4018 	qla24xx_free_purex_list(&vha->purex_list);
4019 
4020 	qla2x00_mem_free(ha);
4021 
4022 	qla82xx_md_free(vha);
4023 
4024 	qla_edif_sadb_release_free_pool(ha);
4025 	qla_edif_sadb_release(ha);
4026 
4027 	qla2x00_free_queues(ha);
4028 }
4029 
qla2x00_free_fcports(struct scsi_qla_host * vha)4030 void qla2x00_free_fcports(struct scsi_qla_host *vha)
4031 {
4032 	fc_port_t *fcport, *tfcport;
4033 
4034 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4035 		qla2x00_free_fcport(fcport);
4036 }
4037 
4038 static inline void
qla2x00_schedule_rport_del(struct scsi_qla_host * vha,fc_port_t * fcport)4039 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4040 {
4041 	int now;
4042 
4043 	if (!fcport->rport)
4044 		return;
4045 
4046 	if (fcport->rport) {
4047 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4048 		    "%s %8phN. rport %p roles %x\n",
4049 		    __func__, fcport->port_name, fcport->rport,
4050 		    fcport->rport->roles);
4051 		fc_remote_port_delete(fcport->rport);
4052 	}
4053 	qlt_do_generation_tick(vha, &now);
4054 }
4055 
4056 /*
4057  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4058  *
4059  * Input: ha = adapter block pointer.  fcport = port structure pointer.
4060  *
4061  * Return: None.
4062  *
4063  * Context:
4064  */
qla2x00_mark_device_lost(scsi_qla_host_t * vha,fc_port_t * fcport,int do_login)4065 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4066     int do_login)
4067 {
4068 	if (IS_QLAFX00(vha->hw)) {
4069 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4070 		qla2x00_schedule_rport_del(vha, fcport);
4071 		return;
4072 	}
4073 
4074 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4075 	    vha->vp_idx == fcport->vha->vp_idx) {
4076 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4077 		qla2x00_schedule_rport_del(vha, fcport);
4078 	}
4079 
4080 	/*
4081 	 * We may need to retry the login, so don't change the state of the
4082 	 * port but do the retries.
4083 	 */
4084 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4085 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4086 
4087 	if (!do_login)
4088 		return;
4089 
4090 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4091 }
4092 
4093 void
qla2x00_mark_all_devices_lost(scsi_qla_host_t * vha)4094 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4095 {
4096 	fc_port_t *fcport;
4097 
4098 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4099 	    "Mark all dev lost\n");
4100 
4101 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4102 		if (ql2xfc2target &&
4103 		    fcport->loop_id != FC_NO_LOOP_ID &&
4104 		    (fcport->flags & FCF_FCP2_DEVICE) &&
4105 		    fcport->port_type == FCT_TARGET &&
4106 		    !qla2x00_reset_active(vha)) {
4107 			ql_dbg(ql_dbg_disc, vha, 0x211a,
4108 			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4109 			       fcport->flags, fcport->port_type,
4110 			       fcport->d_id.b24, fcport->port_name);
4111 			continue;
4112 		}
4113 		fcport->scan_state = 0;
4114 		qlt_schedule_sess_for_deletion(fcport);
4115 	}
4116 }
4117 
qla2x00_set_reserved_loop_ids(struct qla_hw_data * ha)4118 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4119 {
4120 	int i;
4121 
4122 	if (IS_FWI2_CAPABLE(ha))
4123 		return;
4124 
4125 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4126 		set_bit(i, ha->loop_id_map);
4127 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4128 	set_bit(BROADCAST, ha->loop_id_map);
4129 }
4130 
4131 /*
4132 * qla2x00_mem_alloc
4133 *      Allocates adapter memory.
4134 *
4135 * Returns:
4136 *      0  = success.
4137 *      !0  = failure.
4138 */
4139 static int
qla2x00_mem_alloc(struct qla_hw_data * ha,uint16_t req_len,uint16_t rsp_len,struct req_que ** req,struct rsp_que ** rsp)4140 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4141 	struct req_que **req, struct rsp_que **rsp)
4142 {
4143 	char	name[16];
4144 	int rc;
4145 
4146 	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
4147 		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
4148 		if (!ha->vp_map)
4149 			goto fail;
4150 	}
4151 
4152 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4153 		&ha->init_cb_dma, GFP_KERNEL);
4154 	if (!ha->init_cb)
4155 		goto fail_free_vp_map;
4156 
4157 	rc = btree_init32(&ha->host_map);
4158 	if (rc)
4159 		goto fail_free_init_cb;
4160 
4161 	if (qlt_mem_alloc(ha) < 0)
4162 		goto fail_free_btree;
4163 
4164 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4165 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4166 	if (!ha->gid_list)
4167 		goto fail_free_tgt_mem;
4168 
4169 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4170 	if (!ha->srb_mempool)
4171 		goto fail_free_gid_list;
4172 
4173 	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4174 		/* Allocate cache for CT6 Ctx. */
4175 		if (!ctx_cachep) {
4176 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4177 				sizeof(struct ct6_dsd), 0,
4178 				SLAB_HWCACHE_ALIGN, NULL);
4179 			if (!ctx_cachep)
4180 				goto fail_free_srb_mempool;
4181 		}
4182 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4183 			ctx_cachep);
4184 		if (!ha->ctx_mempool)
4185 			goto fail_free_srb_mempool;
4186 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4187 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4188 		    ctx_cachep, ha->ctx_mempool);
4189 	}
4190 
4191 	/* Get memory for cached NVRAM */
4192 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4193 	if (!ha->nvram)
4194 		goto fail_free_ctx_mempool;
4195 
4196 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4197 		ha->pdev->device);
4198 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4199 		DMA_POOL_SIZE, 8, 0);
4200 	if (!ha->s_dma_pool)
4201 		goto fail_free_nvram;
4202 
4203 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4204 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4205 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4206 
4207 	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4208 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4209 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4210 		if (!ha->dl_dma_pool) {
4211 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4212 			    "Failed to allocate memory for dl_dma_pool.\n");
4213 			goto fail_s_dma_pool;
4214 		}
4215 
4216 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4217 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4218 		if (!ha->fcp_cmnd_dma_pool) {
4219 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4220 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4221 			goto fail_dl_dma_pool;
4222 		}
4223 
4224 		if (ql2xenabledif) {
4225 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4226 			struct dsd_dma *dsd, *nxt;
4227 			uint i;
4228 			/* Creata a DMA pool of buffers for DIF bundling */
4229 			ha->dif_bundl_pool = dma_pool_create(name,
4230 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4231 			if (!ha->dif_bundl_pool) {
4232 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4233 				    "%s: failed create dif_bundl_pool\n",
4234 				    __func__);
4235 				goto fail_dif_bundl_dma_pool;
4236 			}
4237 
4238 			INIT_LIST_HEAD(&ha->pool.good.head);
4239 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4240 			ha->pool.good.count = 0;
4241 			ha->pool.unusable.count = 0;
4242 			for (i = 0; i < 128; i++) {
4243 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4244 				if (!dsd) {
4245 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4246 					    0xe0ee, "%s: failed alloc dsd\n",
4247 					    __func__);
4248 					return -ENOMEM;
4249 				}
4250 				ha->dif_bundle_kallocs++;
4251 
4252 				dsd->dsd_addr = dma_pool_alloc(
4253 				    ha->dif_bundl_pool, GFP_ATOMIC,
4254 				    &dsd->dsd_list_dma);
4255 				if (!dsd->dsd_addr) {
4256 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4257 					    0xe0ee,
4258 					    "%s: failed alloc ->dsd_addr\n",
4259 					    __func__);
4260 					kfree(dsd);
4261 					ha->dif_bundle_kallocs--;
4262 					continue;
4263 				}
4264 				ha->dif_bundle_dma_allocs++;
4265 
4266 				/*
4267 				 * if DMA buffer crosses 4G boundary,
4268 				 * put it on bad list
4269 				 */
4270 				if (MSD(dsd->dsd_list_dma) ^
4271 				    MSD(dsd->dsd_list_dma + bufsize)) {
4272 					list_add_tail(&dsd->list,
4273 					    &ha->pool.unusable.head);
4274 					ha->pool.unusable.count++;
4275 				} else {
4276 					list_add_tail(&dsd->list,
4277 					    &ha->pool.good.head);
4278 					ha->pool.good.count++;
4279 				}
4280 			}
4281 
4282 			/* return the good ones back to the pool */
4283 			list_for_each_entry_safe(dsd, nxt,
4284 			    &ha->pool.good.head, list) {
4285 				list_del(&dsd->list);
4286 				dma_pool_free(ha->dif_bundl_pool,
4287 				    dsd->dsd_addr, dsd->dsd_list_dma);
4288 				ha->dif_bundle_dma_allocs--;
4289 				kfree(dsd);
4290 				ha->dif_bundle_kallocs--;
4291 			}
4292 
4293 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4294 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4295 			    __func__, ha->pool.good.count,
4296 			    ha->pool.unusable.count);
4297 		}
4298 
4299 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4300 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4301 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4302 		    ha->dif_bundl_pool);
4303 	}
4304 
4305 	/* Allocate memory for SNS commands */
4306 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4307 	/* Get consistent memory allocated for SNS commands */
4308 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4309 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4310 		if (!ha->sns_cmd)
4311 			goto fail_dma_pool;
4312 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4313 		    "sns_cmd: %p.\n", ha->sns_cmd);
4314 	} else {
4315 	/* Get consistent memory allocated for MS IOCB */
4316 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4317 			&ha->ms_iocb_dma);
4318 		if (!ha->ms_iocb)
4319 			goto fail_dma_pool;
4320 	/* Get consistent memory allocated for CT SNS commands */
4321 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4322 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4323 		if (!ha->ct_sns)
4324 			goto fail_free_ms_iocb;
4325 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4326 		    "ms_iocb=%p ct_sns=%p.\n",
4327 		    ha->ms_iocb, ha->ct_sns);
4328 	}
4329 
4330 	/* Allocate memory for request ring */
4331 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4332 	if (!*req) {
4333 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4334 		    "Failed to allocate memory for req.\n");
4335 		goto fail_req;
4336 	}
4337 	(*req)->length = req_len;
4338 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4339 		((*req)->length + 1) * sizeof(request_t),
4340 		&(*req)->dma, GFP_KERNEL);
4341 	if (!(*req)->ring) {
4342 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4343 		    "Failed to allocate memory for req_ring.\n");
4344 		goto fail_req_ring;
4345 	}
4346 	/* Allocate memory for response ring */
4347 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4348 	if (!*rsp) {
4349 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4350 		    "Failed to allocate memory for rsp.\n");
4351 		goto fail_rsp;
4352 	}
4353 	(*rsp)->hw = ha;
4354 	(*rsp)->length = rsp_len;
4355 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4356 		((*rsp)->length + 1) * sizeof(response_t),
4357 		&(*rsp)->dma, GFP_KERNEL);
4358 	if (!(*rsp)->ring) {
4359 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4360 		    "Failed to allocate memory for rsp_ring.\n");
4361 		goto fail_rsp_ring;
4362 	}
4363 	(*req)->rsp = *rsp;
4364 	(*rsp)->req = *req;
4365 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4366 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4367 	    "rsp->length=%d rsp->ring=%p.\n",
4368 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4369 	    (*rsp)->ring);
4370 	/* Allocate memory for NVRAM data for vports */
4371 	if (ha->nvram_npiv_size) {
4372 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4373 					sizeof(struct qla_npiv_entry),
4374 					GFP_KERNEL);
4375 		if (!ha->npiv_info) {
4376 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4377 			    "Failed to allocate memory for npiv_info.\n");
4378 			goto fail_npiv_info;
4379 		}
4380 	} else
4381 		ha->npiv_info = NULL;
4382 
4383 	/* Get consistent memory allocated for EX-INIT-CB. */
4384 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4385 	    IS_QLA28XX(ha)) {
4386 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4387 		    &ha->ex_init_cb_dma);
4388 		if (!ha->ex_init_cb)
4389 			goto fail_ex_init_cb;
4390 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4391 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4392 	}
4393 
4394 	/* Get consistent memory allocated for Special Features-CB. */
4395 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4396 		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4397 						&ha->sf_init_cb_dma);
4398 		if (!ha->sf_init_cb)
4399 			goto fail_sf_init_cb;
4400 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4401 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4402 	}
4403 
4404 
4405 	/* Get consistent memory allocated for Async Port-Database. */
4406 	if (!IS_FWI2_CAPABLE(ha)) {
4407 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4408 			&ha->async_pd_dma);
4409 		if (!ha->async_pd)
4410 			goto fail_async_pd;
4411 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4412 		    "async_pd=%p.\n", ha->async_pd);
4413 	}
4414 
4415 	INIT_LIST_HEAD(&ha->vp_list);
4416 
4417 	/* Allocate memory for our loop_id bitmap */
4418 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4419 				  sizeof(long),
4420 				  GFP_KERNEL);
4421 	if (!ha->loop_id_map)
4422 		goto fail_loop_id_map;
4423 	else {
4424 		qla2x00_set_reserved_loop_ids(ha);
4425 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4426 		    "loop_id_map=%p.\n", ha->loop_id_map);
4427 	}
4428 
4429 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4430 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4431 	if (!ha->sfp_data) {
4432 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4433 		    "Unable to allocate memory for SFP read-data.\n");
4434 		goto fail_sfp_data;
4435 	}
4436 
4437 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4438 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4439 	    GFP_KERNEL);
4440 	if (!ha->flt) {
4441 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4442 		    "Unable to allocate memory for FLT.\n");
4443 		goto fail_flt_buffer;
4444 	}
4445 
4446 	/* allocate the purex dma pool */
4447 	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4448 	    ELS_MAX_PAYLOAD, 8, 0);
4449 
4450 	if (!ha->purex_dma_pool) {
4451 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4452 		    "Unable to allocate purex_dma_pool.\n");
4453 		goto fail_flt;
4454 	}
4455 
4456 	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4457 	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4458 					  ha->elsrej.size,
4459 					  &ha->elsrej.cdma,
4460 					  GFP_KERNEL);
4461 	if (!ha->elsrej.c) {
4462 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4463 		    "Alloc failed for els reject cmd.\n");
4464 		goto fail_elsrej;
4465 	}
4466 	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4467 	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4468 	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4469 
4470 	ha->lsrjt.size = sizeof(struct fcnvme_ls_rjt);
4471 	ha->lsrjt.c = dma_alloc_coherent(&ha->pdev->dev, ha->lsrjt.size,
4472 			&ha->lsrjt.cdma, GFP_KERNEL);
4473 	if (!ha->lsrjt.c) {
4474 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4475 			   "Alloc failed for nvme fc reject cmd.\n");
4476 		goto fail_lsrjt;
4477 	}
4478 
4479 	return 0;
4480 
4481 fail_lsrjt:
4482 	dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4483 			  ha->elsrej.c, ha->elsrej.cdma);
4484 fail_elsrej:
4485 	dma_pool_destroy(ha->purex_dma_pool);
4486 fail_flt:
4487 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4488 	    ha->flt, ha->flt_dma);
4489 
4490 fail_flt_buffer:
4491 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4492 	    ha->sfp_data, ha->sfp_data_dma);
4493 fail_sfp_data:
4494 	kfree(ha->loop_id_map);
4495 fail_loop_id_map:
4496 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4497 fail_async_pd:
4498 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4499 fail_sf_init_cb:
4500 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4501 fail_ex_init_cb:
4502 	kfree(ha->npiv_info);
4503 fail_npiv_info:
4504 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4505 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4506 	(*rsp)->ring = NULL;
4507 	(*rsp)->dma = 0;
4508 fail_rsp_ring:
4509 	kfree(*rsp);
4510 	*rsp = NULL;
4511 fail_rsp:
4512 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4513 		sizeof(request_t), (*req)->ring, (*req)->dma);
4514 	(*req)->ring = NULL;
4515 	(*req)->dma = 0;
4516 fail_req_ring:
4517 	kfree(*req);
4518 	*req = NULL;
4519 fail_req:
4520 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4521 		ha->ct_sns, ha->ct_sns_dma);
4522 	ha->ct_sns = NULL;
4523 	ha->ct_sns_dma = 0;
4524 fail_free_ms_iocb:
4525 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4526 	ha->ms_iocb = NULL;
4527 	ha->ms_iocb_dma = 0;
4528 
4529 	if (ha->sns_cmd)
4530 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4531 		    ha->sns_cmd, ha->sns_cmd_dma);
4532 fail_dma_pool:
4533 	if (ql2xenabledif) {
4534 		struct dsd_dma *dsd, *nxt;
4535 
4536 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4537 		    list) {
4538 			list_del(&dsd->list);
4539 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4540 			    dsd->dsd_list_dma);
4541 			ha->dif_bundle_dma_allocs--;
4542 			kfree(dsd);
4543 			ha->dif_bundle_kallocs--;
4544 			ha->pool.unusable.count--;
4545 		}
4546 		dma_pool_destroy(ha->dif_bundl_pool);
4547 		ha->dif_bundl_pool = NULL;
4548 	}
4549 
4550 fail_dif_bundl_dma_pool:
4551 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4552 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4553 		ha->fcp_cmnd_dma_pool = NULL;
4554 	}
4555 fail_dl_dma_pool:
4556 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4557 		dma_pool_destroy(ha->dl_dma_pool);
4558 		ha->dl_dma_pool = NULL;
4559 	}
4560 fail_s_dma_pool:
4561 	dma_pool_destroy(ha->s_dma_pool);
4562 	ha->s_dma_pool = NULL;
4563 fail_free_nvram:
4564 	kfree(ha->nvram);
4565 	ha->nvram = NULL;
4566 fail_free_ctx_mempool:
4567 	mempool_destroy(ha->ctx_mempool);
4568 	ha->ctx_mempool = NULL;
4569 fail_free_srb_mempool:
4570 	mempool_destroy(ha->srb_mempool);
4571 	ha->srb_mempool = NULL;
4572 fail_free_gid_list:
4573 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4574 	ha->gid_list,
4575 	ha->gid_list_dma);
4576 	ha->gid_list = NULL;
4577 	ha->gid_list_dma = 0;
4578 fail_free_tgt_mem:
4579 	qlt_mem_free(ha);
4580 fail_free_btree:
4581 	btree_destroy32(&ha->host_map);
4582 fail_free_init_cb:
4583 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4584 	ha->init_cb_dma);
4585 	ha->init_cb = NULL;
4586 	ha->init_cb_dma = 0;
4587 fail_free_vp_map:
4588 	kfree(ha->vp_map);
4589 	ha->vp_map = NULL;
4590 fail:
4591 	ql_log(ql_log_fatal, NULL, 0x0030,
4592 	    "Memory allocation failure.\n");
4593 	return -ENOMEM;
4594 }
4595 
4596 int
qla2x00_set_exlogins_buffer(scsi_qla_host_t * vha)4597 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4598 {
4599 	int rval;
4600 	uint16_t	size, max_cnt;
4601 	uint32_t temp;
4602 	struct qla_hw_data *ha = vha->hw;
4603 
4604 	/* Return if we don't need to alloacate any extended logins */
4605 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4606 		return QLA_SUCCESS;
4607 
4608 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4609 		return QLA_SUCCESS;
4610 
4611 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4612 	max_cnt = 0;
4613 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4614 	if (rval != QLA_SUCCESS) {
4615 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4616 		    "Failed to get exlogin status.\n");
4617 		return rval;
4618 	}
4619 
4620 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4621 	temp *= size;
4622 
4623 	if (temp != ha->exlogin_size) {
4624 		qla2x00_free_exlogin_buffer(ha);
4625 		ha->exlogin_size = temp;
4626 
4627 		ql_log(ql_log_info, vha, 0xd024,
4628 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4629 		    max_cnt, size, temp);
4630 
4631 		ql_log(ql_log_info, vha, 0xd025,
4632 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4633 
4634 		/* Get consistent memory for extended logins */
4635 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4636 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4637 		if (!ha->exlogin_buf) {
4638 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4639 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4640 			return -ENOMEM;
4641 		}
4642 	}
4643 
4644 	/* Now configure the dma buffer */
4645 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4646 	if (rval) {
4647 		ql_log(ql_log_fatal, vha, 0xd033,
4648 		    "Setup extended login buffer  ****FAILED****.\n");
4649 		qla2x00_free_exlogin_buffer(ha);
4650 	}
4651 
4652 	return rval;
4653 }
4654 
4655 /*
4656 * qla2x00_free_exlogin_buffer
4657 *
4658 * Input:
4659 *	ha = adapter block pointer
4660 */
4661 void
qla2x00_free_exlogin_buffer(struct qla_hw_data * ha)4662 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4663 {
4664 	if (ha->exlogin_buf) {
4665 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4666 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4667 		ha->exlogin_buf = NULL;
4668 		ha->exlogin_size = 0;
4669 	}
4670 }
4671 
4672 static void
qla2x00_number_of_exch(scsi_qla_host_t * vha,u32 * ret_cnt,u16 max_cnt)4673 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4674 {
4675 	u32 temp;
4676 	struct init_cb_81xx *icb = (struct init_cb_81xx *)vha->hw->init_cb;
4677 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4678 
4679 	if (max_cnt > vha->hw->max_exchg)
4680 		max_cnt = vha->hw->max_exchg;
4681 
4682 	if (qla_ini_mode_enabled(vha)) {
4683 		if (vha->ql2xiniexchg > max_cnt)
4684 			vha->ql2xiniexchg = max_cnt;
4685 
4686 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4687 			*ret_cnt = vha->ql2xiniexchg;
4688 
4689 	} else if (qla_tgt_mode_enabled(vha)) {
4690 		if (vha->ql2xexchoffld > max_cnt) {
4691 			vha->ql2xexchoffld = max_cnt;
4692 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4693 		}
4694 
4695 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4696 			*ret_cnt = vha->ql2xexchoffld;
4697 	} else if (qla_dual_mode_enabled(vha)) {
4698 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4699 		if (temp > max_cnt) {
4700 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4701 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4702 			temp = max_cnt;
4703 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4704 		}
4705 
4706 		if (temp > FW_DEF_EXCHANGES_CNT)
4707 			*ret_cnt = temp;
4708 	}
4709 }
4710 
4711 int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t * vha)4712 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4713 {
4714 	int rval;
4715 	u16	size, max_cnt;
4716 	u32 actual_cnt, totsz;
4717 	struct qla_hw_data *ha = vha->hw;
4718 
4719 	if (!ha->flags.exchoffld_enabled)
4720 		return QLA_SUCCESS;
4721 
4722 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4723 		return QLA_SUCCESS;
4724 
4725 	max_cnt = 0;
4726 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4727 	if (rval != QLA_SUCCESS) {
4728 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4729 		    "Failed to get exlogin status.\n");
4730 		return rval;
4731 	}
4732 
4733 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4734 	ql_log(ql_log_info, vha, 0xd014,
4735 	    "Actual exchange offload count: %d.\n", actual_cnt);
4736 
4737 	totsz = actual_cnt * size;
4738 
4739 	if (totsz != ha->exchoffld_size) {
4740 		qla2x00_free_exchoffld_buffer(ha);
4741 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4742 			ha->exchoffld_size = 0;
4743 			ha->flags.exchoffld_enabled = 0;
4744 			return QLA_SUCCESS;
4745 		}
4746 
4747 		ha->exchoffld_size = totsz;
4748 
4749 		ql_log(ql_log_info, vha, 0xd016,
4750 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4751 		    max_cnt, actual_cnt, size, totsz);
4752 
4753 		ql_log(ql_log_info, vha, 0xd017,
4754 		    "Exchange Buffers requested size = 0x%x\n",
4755 		    ha->exchoffld_size);
4756 
4757 		/* Get consistent memory for extended logins */
4758 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4759 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4760 		if (!ha->exchoffld_buf) {
4761 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4762 			"Failed to allocate memory for Exchange Offload.\n");
4763 
4764 			if (ha->max_exchg >
4765 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4766 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4767 			} else if (ha->max_exchg >
4768 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4769 				ha->max_exchg -= 512;
4770 			} else {
4771 				ha->flags.exchoffld_enabled = 0;
4772 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4773 				    "Disabling Exchange offload due to lack of memory\n");
4774 			}
4775 			ha->exchoffld_size = 0;
4776 
4777 			return -ENOMEM;
4778 		}
4779 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4780 		/* pathological case */
4781 		qla2x00_free_exchoffld_buffer(ha);
4782 		ha->exchoffld_size = 0;
4783 		ha->flags.exchoffld_enabled = 0;
4784 		ql_log(ql_log_info, vha, 0xd016,
4785 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4786 		    ha->exchoffld_size, actual_cnt, size, totsz);
4787 		return 0;
4788 	}
4789 
4790 	/* Now configure the dma buffer */
4791 	rval = qla_set_exchoffld_mem_cfg(vha);
4792 	if (rval) {
4793 		ql_log(ql_log_fatal, vha, 0xd02e,
4794 		    "Setup exchange offload buffer ****FAILED****.\n");
4795 		qla2x00_free_exchoffld_buffer(ha);
4796 	} else {
4797 		/* re-adjust number of target exchange */
4798 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4799 
4800 		if (qla_ini_mode_enabled(vha))
4801 			icb->exchange_count = 0;
4802 		else
4803 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4804 	}
4805 
4806 	return rval;
4807 }
4808 
4809 /*
4810 * qla2x00_free_exchoffld_buffer
4811 *
4812 * Input:
4813 *	ha = adapter block pointer
4814 */
4815 void
qla2x00_free_exchoffld_buffer(struct qla_hw_data * ha)4816 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4817 {
4818 	if (ha->exchoffld_buf) {
4819 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4820 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4821 		ha->exchoffld_buf = NULL;
4822 		ha->exchoffld_size = 0;
4823 	}
4824 }
4825 
4826 /*
4827 * qla2x00_free_fw_dump
4828 *	Frees fw dump stuff.
4829 *
4830 * Input:
4831 *	ha = adapter block pointer
4832 */
4833 static void
qla2x00_free_fw_dump(struct qla_hw_data * ha)4834 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4835 {
4836 	struct fwdt *fwdt = ha->fwdt;
4837 	uint j;
4838 
4839 	if (ha->fce)
4840 		dma_free_coherent(&ha->pdev->dev,
4841 		    FCE_SIZE, ha->fce, ha->fce_dma);
4842 
4843 	if (ha->eft)
4844 		dma_free_coherent(&ha->pdev->dev,
4845 		    EFT_SIZE, ha->eft, ha->eft_dma);
4846 
4847 	vfree(ha->fw_dump);
4848 
4849 	ha->fce = NULL;
4850 	ha->fce_dma = 0;
4851 	ha->flags.fce_enabled = 0;
4852 	ha->eft = NULL;
4853 	ha->eft_dma = 0;
4854 	ha->fw_dumped = false;
4855 	ha->fw_dump_cap_flags = 0;
4856 	ha->fw_dump_reading = 0;
4857 	ha->fw_dump = NULL;
4858 	ha->fw_dump_len = 0;
4859 
4860 	for (j = 0; j < 2; j++, fwdt++) {
4861 		vfree(fwdt->template);
4862 		fwdt->template = NULL;
4863 		fwdt->length = 0;
4864 	}
4865 }
4866 
4867 /*
4868 * qla2x00_mem_free
4869 *      Frees all adapter allocated memory.
4870 *
4871 * Input:
4872 *      ha = adapter block pointer.
4873 */
4874 static void
qla2x00_mem_free(struct qla_hw_data * ha)4875 qla2x00_mem_free(struct qla_hw_data *ha)
4876 {
4877 	qla2x00_free_fw_dump(ha);
4878 
4879 	if (ha->mctp_dump)
4880 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4881 		    ha->mctp_dump_dma);
4882 	ha->mctp_dump = NULL;
4883 
4884 	mempool_destroy(ha->srb_mempool);
4885 	ha->srb_mempool = NULL;
4886 
4887 	if (ha->dcbx_tlv)
4888 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4889 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4890 	ha->dcbx_tlv = NULL;
4891 
4892 	if (ha->xgmac_data)
4893 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4894 		    ha->xgmac_data, ha->xgmac_data_dma);
4895 	ha->xgmac_data = NULL;
4896 
4897 	if (ha->sns_cmd)
4898 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4899 		ha->sns_cmd, ha->sns_cmd_dma);
4900 	ha->sns_cmd = NULL;
4901 	ha->sns_cmd_dma = 0;
4902 
4903 	if (ha->ct_sns)
4904 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4905 		ha->ct_sns, ha->ct_sns_dma);
4906 	ha->ct_sns = NULL;
4907 	ha->ct_sns_dma = 0;
4908 
4909 	if (ha->sfp_data)
4910 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4911 		    ha->sfp_data_dma);
4912 	ha->sfp_data = NULL;
4913 
4914 	if (ha->flt)
4915 		dma_free_coherent(&ha->pdev->dev,
4916 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4917 		    ha->flt, ha->flt_dma);
4918 	ha->flt = NULL;
4919 	ha->flt_dma = 0;
4920 
4921 	if (ha->ms_iocb)
4922 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4923 	ha->ms_iocb = NULL;
4924 	ha->ms_iocb_dma = 0;
4925 
4926 	if (ha->sf_init_cb)
4927 		dma_pool_free(ha->s_dma_pool,
4928 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4929 
4930 	if (ha->ex_init_cb)
4931 		dma_pool_free(ha->s_dma_pool,
4932 			ha->ex_init_cb, ha->ex_init_cb_dma);
4933 	ha->ex_init_cb = NULL;
4934 	ha->ex_init_cb_dma = 0;
4935 
4936 	if (ha->async_pd)
4937 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4938 	ha->async_pd = NULL;
4939 	ha->async_pd_dma = 0;
4940 
4941 	dma_pool_destroy(ha->s_dma_pool);
4942 	ha->s_dma_pool = NULL;
4943 
4944 	if (ha->gid_list)
4945 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4946 		ha->gid_list, ha->gid_list_dma);
4947 	ha->gid_list = NULL;
4948 	ha->gid_list_dma = 0;
4949 
4950 	if (ha->base_qpair && !list_empty(&ha->base_qpair->dsd_list)) {
4951 		struct dsd_dma *dsd_ptr, *tdsd_ptr;
4952 
4953 		/* clean up allocated prev pool */
4954 		list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
4955 					 &ha->base_qpair->dsd_list, list) {
4956 			dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
4957 				      dsd_ptr->dsd_list_dma);
4958 			list_del(&dsd_ptr->list);
4959 			kfree(dsd_ptr);
4960 		}
4961 	}
4962 
4963 	dma_pool_destroy(ha->dl_dma_pool);
4964 	ha->dl_dma_pool = NULL;
4965 
4966 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4967 	ha->fcp_cmnd_dma_pool = NULL;
4968 
4969 	mempool_destroy(ha->ctx_mempool);
4970 	ha->ctx_mempool = NULL;
4971 
4972 	if (ql2xenabledif && ha->dif_bundl_pool) {
4973 		struct dsd_dma *dsd, *nxt;
4974 
4975 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4976 					 list) {
4977 			list_del(&dsd->list);
4978 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4979 				      dsd->dsd_list_dma);
4980 			ha->dif_bundle_dma_allocs--;
4981 			kfree(dsd);
4982 			ha->dif_bundle_kallocs--;
4983 			ha->pool.unusable.count--;
4984 		}
4985 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4986 			list_del(&dsd->list);
4987 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4988 				      dsd->dsd_list_dma);
4989 			ha->dif_bundle_dma_allocs--;
4990 			kfree(dsd);
4991 			ha->dif_bundle_kallocs--;
4992 		}
4993 	}
4994 
4995 	dma_pool_destroy(ha->dif_bundl_pool);
4996 	ha->dif_bundl_pool = NULL;
4997 
4998 	qlt_mem_free(ha);
4999 	qla_remove_hostmap(ha);
5000 
5001 	if (ha->init_cb)
5002 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
5003 			ha->init_cb, ha->init_cb_dma);
5004 
5005 	dma_pool_destroy(ha->purex_dma_pool);
5006 	ha->purex_dma_pool = NULL;
5007 
5008 	if (ha->elsrej.c) {
5009 		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
5010 		    ha->elsrej.c, ha->elsrej.cdma);
5011 		ha->elsrej.c = NULL;
5012 	}
5013 
5014 	if (ha->lsrjt.c) {
5015 		dma_free_coherent(&ha->pdev->dev, ha->lsrjt.size, ha->lsrjt.c,
5016 				  ha->lsrjt.cdma);
5017 		ha->lsrjt.c = NULL;
5018 	}
5019 
5020 	ha->init_cb = NULL;
5021 	ha->init_cb_dma = 0;
5022 
5023 	vfree(ha->optrom_buffer);
5024 	ha->optrom_buffer = NULL;
5025 	kfree(ha->nvram);
5026 	ha->nvram = NULL;
5027 	kfree(ha->npiv_info);
5028 	ha->npiv_info = NULL;
5029 	kfree(ha->swl);
5030 	ha->swl = NULL;
5031 	kfree(ha->loop_id_map);
5032 	ha->sf_init_cb = NULL;
5033 	ha->sf_init_cb_dma = 0;
5034 	ha->loop_id_map = NULL;
5035 
5036 	kfree(ha->vp_map);
5037 	ha->vp_map = NULL;
5038 }
5039 
qla2x00_create_host(const struct scsi_host_template * sht,struct qla_hw_data * ha)5040 struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *sht,
5041 					  struct qla_hw_data *ha)
5042 {
5043 	struct Scsi_Host *host;
5044 	struct scsi_qla_host *vha = NULL;
5045 
5046 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
5047 	if (!host) {
5048 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
5049 		    "Failed to allocate host from the scsi layer, aborting.\n");
5050 		return NULL;
5051 	}
5052 
5053 	/* Clear our data area */
5054 	vha = shost_priv(host);
5055 	memset(vha, 0, sizeof(scsi_qla_host_t));
5056 
5057 	vha->host = host;
5058 	vha->host_no = host->host_no;
5059 	vha->hw = ha;
5060 
5061 	vha->qlini_mode = ql2x_ini_mode;
5062 	vha->ql2xexchoffld = ql2xexchoffld;
5063 	vha->ql2xiniexchg = ql2xiniexchg;
5064 
5065 	INIT_LIST_HEAD(&vha->vp_fcports);
5066 	INIT_LIST_HEAD(&vha->work_list);
5067 	INIT_LIST_HEAD(&vha->list);
5068 	INIT_LIST_HEAD(&vha->qla_cmd_list);
5069 	INIT_LIST_HEAD(&vha->logo_list);
5070 	INIT_LIST_HEAD(&vha->plogi_ack_list);
5071 	INIT_LIST_HEAD(&vha->qp_list);
5072 	INIT_LIST_HEAD(&vha->gnl.fcports);
5073 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5074 
5075 	INIT_LIST_HEAD(&vha->purex_list.head);
5076 	spin_lock_init(&vha->purex_list.lock);
5077 
5078 	spin_lock_init(&vha->work_lock);
5079 	spin_lock_init(&vha->cmd_list_lock);
5080 	init_waitqueue_head(&vha->fcport_waitQ);
5081 	init_waitqueue_head(&vha->vref_waitq);
5082 	qla_enode_init(vha);
5083 	qla_edb_init(vha);
5084 
5085 
5086 	vha->gnl.size = sizeof(struct get_name_list_extended) *
5087 			(ha->max_loop_id + 1);
5088 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5089 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5090 	if (!vha->gnl.l) {
5091 		ql_log(ql_log_fatal, vha, 0xd04a,
5092 		    "Alloc failed for name list.\n");
5093 		scsi_host_put(vha->host);
5094 		return NULL;
5095 	}
5096 
5097 	/* todo: what about ext login? */
5098 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5099 	vha->scan.l = vmalloc(vha->scan.size);
5100 	if (!vha->scan.l) {
5101 		ql_log(ql_log_fatal, vha, 0xd04a,
5102 		    "Alloc failed for scan database.\n");
5103 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5104 		    vha->gnl.l, vha->gnl.ldma);
5105 		vha->gnl.l = NULL;
5106 		scsi_host_put(vha->host);
5107 		return NULL;
5108 	}
5109 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5110 
5111 	snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
5112 		 QLA2XXX_DRIVER_NAME, vha->host_no);
5113 	ql_dbg(ql_dbg_init, vha, 0x0041,
5114 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5115 	    vha->host, vha->hw, vha,
5116 	    dev_name(&(ha->pdev->dev)));
5117 
5118 	return vha;
5119 }
5120 
5121 struct qla_work_evt *
qla2x00_alloc_work(struct scsi_qla_host * vha,enum qla_work_type type)5122 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5123 {
5124 	struct qla_work_evt *e;
5125 
5126 	if (test_bit(UNLOADING, &vha->dpc_flags))
5127 		return NULL;
5128 
5129 	if (qla_vha_mark_busy(vha))
5130 		return NULL;
5131 
5132 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5133 	if (!e) {
5134 		QLA_VHA_MARK_NOT_BUSY(vha);
5135 		return NULL;
5136 	}
5137 
5138 	INIT_LIST_HEAD(&e->list);
5139 	e->type = type;
5140 	e->flags = QLA_EVT_FLAG_FREE;
5141 	return e;
5142 }
5143 
5144 int
qla2x00_post_work(struct scsi_qla_host * vha,struct qla_work_evt * e)5145 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5146 {
5147 	unsigned long flags;
5148 	bool q = false;
5149 
5150 	spin_lock_irqsave(&vha->work_lock, flags);
5151 	list_add_tail(&e->list, &vha->work_list);
5152 
5153 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5154 		q = true;
5155 
5156 	spin_unlock_irqrestore(&vha->work_lock, flags);
5157 
5158 	if (q)
5159 		queue_work(vha->hw->wq, &vha->iocb_work);
5160 
5161 	return QLA_SUCCESS;
5162 }
5163 
5164 int
qla2x00_post_aen_work(struct scsi_qla_host * vha,enum fc_host_event_code code,u32 data)5165 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5166     u32 data)
5167 {
5168 	struct qla_work_evt *e;
5169 
5170 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5171 	if (!e)
5172 		return QLA_FUNCTION_FAILED;
5173 
5174 	e->u.aen.code = code;
5175 	e->u.aen.data = data;
5176 	return qla2x00_post_work(vha, e);
5177 }
5178 
5179 int
qla2x00_post_idc_ack_work(struct scsi_qla_host * vha,uint16_t * mb)5180 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5181 {
5182 	struct qla_work_evt *e;
5183 
5184 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5185 	if (!e)
5186 		return QLA_FUNCTION_FAILED;
5187 
5188 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5189 	return qla2x00_post_work(vha, e);
5190 }
5191 
5192 #define qla2x00_post_async_work(name, type)	\
5193 int qla2x00_post_async_##name##_work(		\
5194     struct scsi_qla_host *vha,			\
5195     fc_port_t *fcport, uint16_t *data)		\
5196 {						\
5197 	struct qla_work_evt *e;			\
5198 						\
5199 	e = qla2x00_alloc_work(vha, type);	\
5200 	if (!e)					\
5201 		return QLA_FUNCTION_FAILED;	\
5202 						\
5203 	e->u.logio.fcport = fcport;		\
5204 	if (data) {				\
5205 		e->u.logio.data[0] = data[0];	\
5206 		e->u.logio.data[1] = data[1];	\
5207 	}					\
5208 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5209 	return qla2x00_post_work(vha, e);	\
5210 }
5211 
5212 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5213 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5214 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5215 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5216 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5217 
5218 int
qla2x00_post_uevent_work(struct scsi_qla_host * vha,u32 code)5219 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5220 {
5221 	struct qla_work_evt *e;
5222 
5223 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5224 	if (!e)
5225 		return QLA_FUNCTION_FAILED;
5226 
5227 	e->u.uevent.code = code;
5228 	return qla2x00_post_work(vha, e);
5229 }
5230 
5231 static void
qla2x00_uevent_emit(struct scsi_qla_host * vha,u32 code)5232 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5233 {
5234 	char event_string[40];
5235 	char *envp[] = { event_string, NULL };
5236 
5237 	switch (code) {
5238 	case QLA_UEVENT_CODE_FW_DUMP:
5239 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5240 		    vha->host_no);
5241 		break;
5242 	default:
5243 		/* do nothing */
5244 		break;
5245 	}
5246 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5247 }
5248 
5249 int
qlafx00_post_aenfx_work(struct scsi_qla_host * vha,uint32_t evtcode,uint32_t * data,int cnt)5250 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5251 			uint32_t *data, int cnt)
5252 {
5253 	struct qla_work_evt *e;
5254 
5255 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5256 	if (!e)
5257 		return QLA_FUNCTION_FAILED;
5258 
5259 	e->u.aenfx.evtcode = evtcode;
5260 	e->u.aenfx.count = cnt;
5261 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5262 	return qla2x00_post_work(vha, e);
5263 }
5264 
qla24xx_sched_upd_fcport(fc_port_t * fcport)5265 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5266 {
5267 	unsigned long flags;
5268 
5269 	if (IS_SW_RESV_ADDR(fcport->d_id))
5270 		return;
5271 
5272 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5273 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5274 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5275 		return;
5276 	}
5277 	fcport->jiffies_at_registration = jiffies;
5278 	fcport->sec_since_registration = 0;
5279 	fcport->next_disc_state = DSC_DELETED;
5280 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5281 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5282 
5283 	queue_work(system_unbound_wq, &fcport->reg_work);
5284 }
5285 
5286 static
qla24xx_create_new_sess(struct scsi_qla_host * vha,struct qla_work_evt * e)5287 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5288 {
5289 	unsigned long flags;
5290 	fc_port_t *fcport =  NULL, *tfcp;
5291 	struct qlt_plogi_ack_t *pla =
5292 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5293 	uint8_t free_fcport = 0;
5294 
5295 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5296 	    "%s %d %8phC enter\n",
5297 	    __func__, __LINE__, e->u.new_sess.port_name);
5298 
5299 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5300 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5301 	if (fcport) {
5302 		fcport->d_id = e->u.new_sess.id;
5303 		if (pla) {
5304 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5305 			memcpy(fcport->node_name,
5306 			    pla->iocb.u.isp24.u.plogi.node_name,
5307 			    WWN_SIZE);
5308 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5309 			/* we took an extra ref_count to prevent PLOGI ACK when
5310 			 * fcport/sess has not been created.
5311 			 */
5312 			pla->ref_count--;
5313 		}
5314 	} else {
5315 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5316 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5317 		if (fcport) {
5318 			fcport->d_id = e->u.new_sess.id;
5319 			fcport->flags |= FCF_FABRIC_DEVICE;
5320 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5321 			fcport->tgt_short_link_down_cnt = 0;
5322 
5323 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5324 			    WWN_SIZE);
5325 
5326 			fcport->fc4_type = e->u.new_sess.fc4_type;
5327 			if (NVME_PRIORITY(vha->hw, fcport))
5328 				fcport->do_prli_nvme = 1;
5329 			else
5330 				fcport->do_prli_nvme = 0;
5331 
5332 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5333 				fcport->dm_login_expire = jiffies +
5334 					QLA_N2N_WAIT_TIME * HZ;
5335 				fcport->fc4_type = FS_FC4TYPE_FCP;
5336 				fcport->n2n_flag = 1;
5337 				if (vha->flags.nvme_enabled)
5338 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5339 			}
5340 
5341 		} else {
5342 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5343 				   "%s %8phC mem alloc fail.\n",
5344 				   __func__, e->u.new_sess.port_name);
5345 
5346 			if (pla) {
5347 				list_del(&pla->list);
5348 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5349 			}
5350 			return;
5351 		}
5352 
5353 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5354 		/* search again to make sure no one else got ahead */
5355 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5356 		    e->u.new_sess.port_name, 1);
5357 		if (tfcp) {
5358 			/* should rarily happen */
5359 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5360 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5361 			    __func__, tfcp->port_name, tfcp->disc_state,
5362 			    tfcp->fw_login_state);
5363 
5364 			free_fcport = 1;
5365 		} else {
5366 			list_add_tail(&fcport->list, &vha->vp_fcports);
5367 
5368 		}
5369 		if (pla) {
5370 			qlt_plogi_ack_link(vha, pla, fcport,
5371 			    QLT_PLOGI_LINK_SAME_WWN);
5372 			pla->ref_count--;
5373 		}
5374 	}
5375 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5376 
5377 	if (fcport) {
5378 		fcport->id_changed = 1;
5379 		fcport->scan_state = QLA_FCPORT_FOUND;
5380 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5381 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5382 
5383 		if (pla) {
5384 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5385 				u16 wd3_lo;
5386 
5387 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5388 				fcport->local = 0;
5389 				fcport->loop_id =
5390 					le16_to_cpu(
5391 					    pla->iocb.u.isp24.nport_handle);
5392 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5393 				wd3_lo =
5394 				    le16_to_cpu(
5395 					pla->iocb.u.isp24.u.prli.wd3_lo);
5396 
5397 				if (wd3_lo & BIT_7)
5398 					fcport->conf_compl_supported = 1;
5399 
5400 				if ((wd3_lo & BIT_4) == 0)
5401 					fcport->port_type = FCT_INITIATOR;
5402 				else
5403 					fcport->port_type = FCT_TARGET;
5404 			}
5405 			qlt_plogi_ack_unref(vha, pla);
5406 		} else {
5407 			fc_port_t *dfcp = NULL;
5408 
5409 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5410 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5411 			    &e->u.new_sess.id, 1);
5412 			if (tfcp && (tfcp != fcport)) {
5413 				/*
5414 				 * We have a conflict fcport with same NportID.
5415 				 */
5416 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5417 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5418 				    __func__, tfcp->port_name, tfcp->disc_state,
5419 				    tfcp->fw_login_state);
5420 
5421 				switch (tfcp->disc_state) {
5422 				case DSC_DELETED:
5423 					break;
5424 				case DSC_DELETE_PEND:
5425 					fcport->login_pause = 1;
5426 					tfcp->conflict = fcport;
5427 					break;
5428 				default:
5429 					fcport->login_pause = 1;
5430 					tfcp->conflict = fcport;
5431 					dfcp = tfcp;
5432 					break;
5433 				}
5434 			}
5435 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5436 			if (dfcp)
5437 				qlt_schedule_sess_for_deletion(tfcp);
5438 
5439 			if (N2N_TOPO(vha->hw)) {
5440 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5441 				fcport->keep_nport_handle = 1;
5442 				if (vha->flags.nvme_enabled) {
5443 					fcport->fc4_type =
5444 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5445 					fcport->n2n_flag = 1;
5446 				}
5447 				fcport->fw_login_state = 0;
5448 
5449 				schedule_delayed_work(&vha->scan.scan_work, 5);
5450 			} else {
5451 				qla24xx_fcport_handle_login(vha, fcport);
5452 			}
5453 		}
5454 	}
5455 
5456 	if (free_fcport) {
5457 		qla2x00_free_fcport(fcport);
5458 		if (pla) {
5459 			list_del(&pla->list);
5460 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5461 		}
5462 	}
5463 }
5464 
qla_sp_retry(struct scsi_qla_host * vha,struct qla_work_evt * e)5465 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5466 {
5467 	struct srb *sp = e->u.iosb.sp;
5468 	int rval;
5469 
5470 	rval = qla2x00_start_sp(sp);
5471 	if (rval != QLA_SUCCESS) {
5472 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5473 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5474 		    __func__, sp->name, rval);
5475 		qla24xx_sp_unmap(vha, sp);
5476 	}
5477 }
5478 
5479 void
qla2x00_do_work(struct scsi_qla_host * vha)5480 qla2x00_do_work(struct scsi_qla_host *vha)
5481 {
5482 	struct qla_work_evt *e, *tmp;
5483 	unsigned long flags;
5484 	LIST_HEAD(work);
5485 	int rc;
5486 
5487 	spin_lock_irqsave(&vha->work_lock, flags);
5488 	list_splice_init(&vha->work_list, &work);
5489 	spin_unlock_irqrestore(&vha->work_lock, flags);
5490 
5491 	list_for_each_entry_safe(e, tmp, &work, list) {
5492 		rc = QLA_SUCCESS;
5493 		switch (e->type) {
5494 		case QLA_EVT_AEN:
5495 			fc_host_post_event(vha->host, fc_get_event_number(),
5496 			    e->u.aen.code, e->u.aen.data);
5497 			break;
5498 		case QLA_EVT_IDC_ACK:
5499 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5500 			break;
5501 		case QLA_EVT_ASYNC_LOGIN:
5502 			qla2x00_async_login(vha, e->u.logio.fcport,
5503 			    e->u.logio.data);
5504 			break;
5505 		case QLA_EVT_ASYNC_LOGOUT:
5506 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5507 			break;
5508 		case QLA_EVT_ASYNC_ADISC:
5509 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5510 			    e->u.logio.data);
5511 			break;
5512 		case QLA_EVT_UEVENT:
5513 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5514 			break;
5515 		case QLA_EVT_AENFX:
5516 			qlafx00_process_aen(vha, e);
5517 			break;
5518 		case QLA_EVT_UNMAP:
5519 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5520 			break;
5521 		case QLA_EVT_RELOGIN:
5522 			qla2x00_relogin(vha);
5523 			break;
5524 		case QLA_EVT_NEW_SESS:
5525 			qla24xx_create_new_sess(vha, e);
5526 			break;
5527 		case QLA_EVT_GPDB:
5528 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5529 			    e->u.fcport.opt);
5530 			break;
5531 		case QLA_EVT_PRLI:
5532 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5533 			break;
5534 		case QLA_EVT_GPSC:
5535 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5536 			break;
5537 		case QLA_EVT_GNL:
5538 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5539 			break;
5540 		case QLA_EVT_NACK:
5541 			qla24xx_do_nack_work(vha, e);
5542 			break;
5543 		case QLA_EVT_ASYNC_PRLO:
5544 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5545 			break;
5546 		case QLA_EVT_ASYNC_PRLO_DONE:
5547 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5548 			    e->u.logio.data);
5549 			break;
5550 		case QLA_EVT_SCAN_CMD:
5551 			qla_fab_async_scan(vha, e->u.iosb.sp);
5552 			break;
5553 		case QLA_EVT_SCAN_FINISH:
5554 			qla_fab_scan_finish(vha, e->u.iosb.sp);
5555 			break;
5556 		case QLA_EVT_GFPNID:
5557 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5558 			break;
5559 		case QLA_EVT_SP_RETRY:
5560 			qla_sp_retry(vha, e);
5561 			break;
5562 		case QLA_EVT_IIDMA:
5563 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5564 			break;
5565 		case QLA_EVT_ELS_PLOGI:
5566 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5567 			    e->u.fcport.fcport);
5568 			break;
5569 		case QLA_EVT_SA_REPLACE:
5570 			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5571 			break;
5572 		}
5573 
5574 		if (rc == EAGAIN) {
5575 			/* put 'work' at head of 'vha->work_list' */
5576 			spin_lock_irqsave(&vha->work_lock, flags);
5577 			list_splice(&work, &vha->work_list);
5578 			spin_unlock_irqrestore(&vha->work_lock, flags);
5579 			break;
5580 		}
5581 		list_del_init(&e->list);
5582 		if (e->flags & QLA_EVT_FLAG_FREE)
5583 			kfree(e);
5584 
5585 		/* For each work completed decrement vha ref count */
5586 		QLA_VHA_MARK_NOT_BUSY(vha);
5587 	}
5588 }
5589 
qla24xx_post_relogin_work(struct scsi_qla_host * vha)5590 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5591 {
5592 	struct qla_work_evt *e;
5593 
5594 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5595 
5596 	if (!e) {
5597 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5598 		return QLA_FUNCTION_FAILED;
5599 	}
5600 
5601 	return qla2x00_post_work(vha, e);
5602 }
5603 
5604 /* Relogins all the fcports of a vport
5605  * Context: dpc thread
5606  */
qla2x00_relogin(struct scsi_qla_host * vha)5607 void qla2x00_relogin(struct scsi_qla_host *vha)
5608 {
5609 	fc_port_t       *fcport;
5610 	int status, relogin_needed = 0;
5611 	struct event_arg ea;
5612 
5613 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5614 		/*
5615 		 * If the port is not ONLINE then try to login
5616 		 * to it if we haven't run out of retries.
5617 		 */
5618 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5619 		    fcport->login_retry) {
5620 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5621 			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5622 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5623 				continue;
5624 
5625 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5626 				fcport->disc_state == DSC_DELETE_PEND) {
5627 				relogin_needed = 1;
5628 			} else {
5629 				if (vha->hw->current_topology != ISP_CFG_NL) {
5630 					memset(&ea, 0, sizeof(ea));
5631 					ea.fcport = fcport;
5632 					qla24xx_handle_relogin_event(vha, &ea);
5633 				} else if (vha->hw->current_topology ==
5634 					 ISP_CFG_NL &&
5635 					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5636 					(void)qla24xx_fcport_handle_login(vha,
5637 									fcport);
5638 				} else if (vha->hw->current_topology ==
5639 				    ISP_CFG_NL) {
5640 					fcport->login_retry--;
5641 					status =
5642 					    qla2x00_local_device_login(vha,
5643 						fcport);
5644 					if (status == QLA_SUCCESS) {
5645 						fcport->old_loop_id =
5646 						    fcport->loop_id;
5647 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5648 						    "Port login OK: logged in ID 0x%x.\n",
5649 						    fcport->loop_id);
5650 						qla2x00_update_fcport
5651 							(vha, fcport);
5652 					} else if (status == 1) {
5653 						set_bit(RELOGIN_NEEDED,
5654 						    &vha->dpc_flags);
5655 						/* retry the login again */
5656 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5657 						    "Retrying %d login again loop_id 0x%x.\n",
5658 						    fcport->login_retry,
5659 						    fcport->loop_id);
5660 					} else {
5661 						fcport->login_retry = 0;
5662 					}
5663 
5664 					if (fcport->login_retry == 0 &&
5665 					    status != QLA_SUCCESS)
5666 						qla2x00_clear_loop_id(fcport);
5667 				}
5668 			}
5669 		}
5670 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5671 			break;
5672 	}
5673 
5674 	if (relogin_needed)
5675 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5676 
5677 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5678 	    "Relogin end.\n");
5679 }
5680 
5681 /* Schedule work on any of the dpc-workqueues */
5682 void
qla83xx_schedule_work(scsi_qla_host_t * base_vha,int work_code)5683 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5684 {
5685 	struct qla_hw_data *ha = base_vha->hw;
5686 
5687 	switch (work_code) {
5688 	case MBA_IDC_AEN: /* 0x8200 */
5689 		if (ha->dpc_lp_wq)
5690 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5691 		break;
5692 
5693 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5694 		if (!ha->flags.nic_core_reset_hdlr_active) {
5695 			if (ha->dpc_hp_wq)
5696 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5697 		} else
5698 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5699 			    "NIC Core reset is already active. Skip "
5700 			    "scheduling it again.\n");
5701 		break;
5702 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5703 		if (ha->dpc_hp_wq)
5704 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5705 		break;
5706 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5707 		if (ha->dpc_hp_wq)
5708 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5709 		break;
5710 	default:
5711 		ql_log(ql_log_warn, base_vha, 0xb05f,
5712 		    "Unknown work-code=0x%x.\n", work_code);
5713 	}
5714 
5715 	return;
5716 }
5717 
5718 /* Work: Perform NIC Core Unrecoverable state handling */
5719 void
qla83xx_nic_core_unrecoverable_work(struct work_struct * work)5720 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5721 {
5722 	struct qla_hw_data *ha =
5723 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5724 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5725 	uint32_t dev_state = 0;
5726 
5727 	qla83xx_idc_lock(base_vha, 0);
5728 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5729 	qla83xx_reset_ownership(base_vha);
5730 	if (ha->flags.nic_core_reset_owner) {
5731 		ha->flags.nic_core_reset_owner = 0;
5732 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5733 		    QLA8XXX_DEV_FAILED);
5734 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5735 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5736 	}
5737 	qla83xx_idc_unlock(base_vha, 0);
5738 }
5739 
5740 /* Work: Execute IDC state handler */
5741 void
qla83xx_idc_state_handler_work(struct work_struct * work)5742 qla83xx_idc_state_handler_work(struct work_struct *work)
5743 {
5744 	struct qla_hw_data *ha =
5745 		container_of(work, struct qla_hw_data, idc_state_handler);
5746 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5747 	uint32_t dev_state = 0;
5748 
5749 	qla83xx_idc_lock(base_vha, 0);
5750 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5751 	if (dev_state == QLA8XXX_DEV_FAILED ||
5752 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5753 		qla83xx_idc_state_handler(base_vha);
5754 	qla83xx_idc_unlock(base_vha, 0);
5755 }
5756 
5757 static int
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t * base_vha)5758 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5759 {
5760 	int rval = QLA_SUCCESS;
5761 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5762 	uint32_t heart_beat_counter1, heart_beat_counter2;
5763 
5764 	do {
5765 		if (time_after(jiffies, heart_beat_wait)) {
5766 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5767 			    "Nic Core f/w is not alive.\n");
5768 			rval = QLA_FUNCTION_FAILED;
5769 			break;
5770 		}
5771 
5772 		qla83xx_idc_lock(base_vha, 0);
5773 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5774 		    &heart_beat_counter1);
5775 		qla83xx_idc_unlock(base_vha, 0);
5776 		msleep(100);
5777 		qla83xx_idc_lock(base_vha, 0);
5778 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5779 		    &heart_beat_counter2);
5780 		qla83xx_idc_unlock(base_vha, 0);
5781 	} while (heart_beat_counter1 == heart_beat_counter2);
5782 
5783 	return rval;
5784 }
5785 
5786 /* Work: Perform NIC Core Reset handling */
5787 void
qla83xx_nic_core_reset_work(struct work_struct * work)5788 qla83xx_nic_core_reset_work(struct work_struct *work)
5789 {
5790 	struct qla_hw_data *ha =
5791 		container_of(work, struct qla_hw_data, nic_core_reset);
5792 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5793 	uint32_t dev_state = 0;
5794 
5795 	if (IS_QLA2031(ha)) {
5796 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5797 			ql_log(ql_log_warn, base_vha, 0xb081,
5798 			    "Failed to dump mctp\n");
5799 		return;
5800 	}
5801 
5802 	if (!ha->flags.nic_core_reset_hdlr_active) {
5803 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5804 			qla83xx_idc_lock(base_vha, 0);
5805 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5806 			    &dev_state);
5807 			qla83xx_idc_unlock(base_vha, 0);
5808 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5809 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5810 				    "Nic Core f/w is alive.\n");
5811 				return;
5812 			}
5813 		}
5814 
5815 		ha->flags.nic_core_reset_hdlr_active = 1;
5816 		if (qla83xx_nic_core_reset(base_vha)) {
5817 			/* NIC Core reset failed. */
5818 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5819 			    "NIC Core reset failed.\n");
5820 		}
5821 		ha->flags.nic_core_reset_hdlr_active = 0;
5822 	}
5823 }
5824 
5825 /* Work: Handle 8200 IDC aens */
5826 void
qla83xx_service_idc_aen(struct work_struct * work)5827 qla83xx_service_idc_aen(struct work_struct *work)
5828 {
5829 	struct qla_hw_data *ha =
5830 		container_of(work, struct qla_hw_data, idc_aen);
5831 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5832 	uint32_t dev_state, idc_control;
5833 
5834 	qla83xx_idc_lock(base_vha, 0);
5835 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5836 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5837 	qla83xx_idc_unlock(base_vha, 0);
5838 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5839 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5840 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5841 			    "Application requested NIC Core Reset.\n");
5842 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5843 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5844 		    QLA_SUCCESS) {
5845 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5846 			    "Other protocol driver requested NIC Core Reset.\n");
5847 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5848 		}
5849 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5850 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5851 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5852 	}
5853 }
5854 
5855 /*
5856  * Control the frequency of IDC lock retries
5857  */
5858 #define QLA83XX_WAIT_LOGIC_MS	100
5859 
5860 static int
qla83xx_force_lock_recovery(scsi_qla_host_t * base_vha)5861 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5862 {
5863 	int rval;
5864 	uint32_t data;
5865 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5866 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5867 	struct qla_hw_data *ha = base_vha->hw;
5868 
5869 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5870 	    "Trying force recovery of the IDC lock.\n");
5871 
5872 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5873 	if (rval)
5874 		return rval;
5875 
5876 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5877 		return QLA_SUCCESS;
5878 	} else {
5879 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5880 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5881 		    data);
5882 		if (rval)
5883 			return rval;
5884 
5885 		msleep(200);
5886 
5887 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5888 		    &data);
5889 		if (rval)
5890 			return rval;
5891 
5892 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5893 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5894 					~(idc_lck_rcvry_stage_mask));
5895 			rval = qla83xx_wr_reg(base_vha,
5896 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5897 			if (rval)
5898 				return rval;
5899 
5900 			/* Forcefully perform IDC UnLock */
5901 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5902 			    &data);
5903 			if (rval)
5904 				return rval;
5905 			/* Clear lock-id by setting 0xff */
5906 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5907 			    0xff);
5908 			if (rval)
5909 				return rval;
5910 			/* Clear lock-recovery by setting 0x0 */
5911 			rval = qla83xx_wr_reg(base_vha,
5912 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5913 			if (rval)
5914 				return rval;
5915 		} else
5916 			return QLA_SUCCESS;
5917 	}
5918 
5919 	return rval;
5920 }
5921 
5922 static int
qla83xx_idc_lock_recovery(scsi_qla_host_t * base_vha)5923 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5924 {
5925 	int rval = QLA_SUCCESS;
5926 	uint32_t o_drv_lockid, n_drv_lockid;
5927 	unsigned long lock_recovery_timeout;
5928 
5929 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5930 retry_lockid:
5931 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5932 	if (rval)
5933 		goto exit;
5934 
5935 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5936 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5937 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5938 			return QLA_SUCCESS;
5939 		else
5940 			return QLA_FUNCTION_FAILED;
5941 	}
5942 
5943 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5944 	if (rval)
5945 		goto exit;
5946 
5947 	if (o_drv_lockid == n_drv_lockid) {
5948 		msleep(QLA83XX_WAIT_LOGIC_MS);
5949 		goto retry_lockid;
5950 	} else
5951 		return QLA_SUCCESS;
5952 
5953 exit:
5954 	return rval;
5955 }
5956 
5957 /*
5958  * Context: task, can sleep
5959  */
5960 void
qla83xx_idc_lock(scsi_qla_host_t * base_vha,uint16_t requester_id)5961 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5962 {
5963 	uint32_t data;
5964 	uint32_t lock_owner;
5965 	struct qla_hw_data *ha = base_vha->hw;
5966 
5967 	might_sleep();
5968 
5969 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5970 retry_lock:
5971 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5972 	    == QLA_SUCCESS) {
5973 		if (data) {
5974 			/* Setting lock-id to our function-number */
5975 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5976 			    ha->portnum);
5977 		} else {
5978 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5979 			    &lock_owner);
5980 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5981 			    "Failed to acquire IDC lock, acquired by %d, "
5982 			    "retrying...\n", lock_owner);
5983 
5984 			/* Retry/Perform IDC-Lock recovery */
5985 			if (qla83xx_idc_lock_recovery(base_vha)
5986 			    == QLA_SUCCESS) {
5987 				msleep(QLA83XX_WAIT_LOGIC_MS);
5988 				goto retry_lock;
5989 			} else
5990 				ql_log(ql_log_warn, base_vha, 0xb075,
5991 				    "IDC Lock recovery FAILED.\n");
5992 		}
5993 
5994 	}
5995 
5996 	return;
5997 }
5998 
5999 static bool
qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host * vha,struct purex_entry_24xx * purex)6000 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
6001 	struct purex_entry_24xx *purex)
6002 {
6003 	char fwstr[16];
6004 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
6005 	struct port_database_24xx *pdb;
6006 
6007 	/* Domain Controller is always logged-out. */
6008 	/* if RDP request is not from Domain Controller: */
6009 	if (sid != 0xfffc01)
6010 		return false;
6011 
6012 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
6013 
6014 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
6015 	if (!pdb) {
6016 		ql_dbg(ql_dbg_init, vha, 0x0181,
6017 		    "%s: Failed allocate pdb\n", __func__);
6018 	} else if (qla24xx_get_port_database(vha,
6019 				le16_to_cpu(purex->nport_handle), pdb)) {
6020 		ql_dbg(ql_dbg_init, vha, 0x0181,
6021 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
6022 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
6023 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
6024 		ql_dbg(ql_dbg_init, vha, 0x0181,
6025 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
6026 	} else {
6027 		/* RDP request is from logged in port */
6028 		kfree(pdb);
6029 		return false;
6030 	}
6031 	kfree(pdb);
6032 
6033 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
6034 	fwstr[strcspn(fwstr, " ")] = 0;
6035 	/* if FW version allows RDP response length upto 2048 bytes: */
6036 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
6037 		return false;
6038 
6039 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
6040 
6041 	/* RDP response length is to be reduced to maximum 256 bytes */
6042 	return true;
6043 }
6044 
6045 /*
6046  * Function Name: qla24xx_process_purex_iocb
6047  *
6048  * Description:
6049  * Prepare a RDP response and send to Fabric switch
6050  *
6051  * PARAMETERS:
6052  * vha:	SCSI qla host
6053  * purex: RDP request received by HBA
6054  */
qla24xx_process_purex_rdp(struct scsi_qla_host * vha,struct purex_item * item)6055 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6056 			       struct purex_item *item)
6057 {
6058 	struct qla_hw_data *ha = vha->hw;
6059 	struct purex_entry_24xx *purex =
6060 	    (struct purex_entry_24xx *)&item->iocb;
6061 	dma_addr_t rsp_els_dma;
6062 	dma_addr_t rsp_payload_dma;
6063 	dma_addr_t stat_dma;
6064 	dma_addr_t sfp_dma;
6065 	struct els_entry_24xx *rsp_els = NULL;
6066 	struct rdp_rsp_payload *rsp_payload = NULL;
6067 	struct link_statistics *stat = NULL;
6068 	uint8_t *sfp = NULL;
6069 	uint16_t sfp_flags = 0;
6070 	uint rsp_payload_length = sizeof(*rsp_payload);
6071 	int rval;
6072 
6073 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6074 	    "%s: Enter\n", __func__);
6075 
6076 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6077 	    "-------- ELS REQ -------\n");
6078 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6079 	    purex, sizeof(*purex));
6080 
6081 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6082 		rsp_payload_length =
6083 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6084 		ql_dbg(ql_dbg_init, vha, 0x0181,
6085 		    "Reducing RSP payload length to %u bytes...\n",
6086 		    rsp_payload_length);
6087 	}
6088 
6089 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6090 	    &rsp_els_dma, GFP_KERNEL);
6091 	if (!rsp_els) {
6092 		ql_log(ql_log_warn, vha, 0x0183,
6093 		    "Failed allocate dma buffer ELS RSP.\n");
6094 		goto dealloc;
6095 	}
6096 
6097 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6098 	    &rsp_payload_dma, GFP_KERNEL);
6099 	if (!rsp_payload) {
6100 		ql_log(ql_log_warn, vha, 0x0184,
6101 		    "Failed allocate dma buffer ELS RSP payload.\n");
6102 		goto dealloc;
6103 	}
6104 
6105 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6106 	    &sfp_dma, GFP_KERNEL);
6107 
6108 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6109 	    &stat_dma, GFP_KERNEL);
6110 
6111 	/* Prepare Response IOCB */
6112 	rsp_els->entry_type = ELS_IOCB_TYPE;
6113 	rsp_els->entry_count = 1;
6114 	rsp_els->sys_define = 0;
6115 	rsp_els->entry_status = 0;
6116 	rsp_els->handle = 0;
6117 	rsp_els->nport_handle = purex->nport_handle;
6118 	rsp_els->tx_dsd_count = cpu_to_le16(1);
6119 	rsp_els->vp_index = purex->vp_idx;
6120 	rsp_els->sof_type = EST_SOFI3;
6121 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6122 	rsp_els->rx_dsd_count = 0;
6123 	rsp_els->opcode = purex->els_frame_payload[0];
6124 
6125 	rsp_els->d_id[0] = purex->s_id[0];
6126 	rsp_els->d_id[1] = purex->s_id[1];
6127 	rsp_els->d_id[2] = purex->s_id[2];
6128 
6129 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6130 	rsp_els->rx_byte_count = 0;
6131 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6132 
6133 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6134 	rsp_els->tx_len = rsp_els->tx_byte_count;
6135 
6136 	rsp_els->rx_address = 0;
6137 	rsp_els->rx_len = 0;
6138 
6139 	/* Prepare Response Payload */
6140 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6141 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6142 					   sizeof(rsp_payload->hdr));
6143 
6144 	/* Link service Request Info Descriptor */
6145 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6146 	rsp_payload->ls_req_info_desc.desc_len =
6147 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6148 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6149 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6150 
6151 	/* Link service Request Info Descriptor 2 */
6152 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6153 	rsp_payload->ls_req_info_desc2.desc_len =
6154 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6155 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6156 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6157 
6158 
6159 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6160 	rsp_payload->sfp_diag_desc.desc_len =
6161 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6162 
6163 	if (sfp) {
6164 		/* SFP Flags */
6165 		memset(sfp, 0, SFP_RTDI_LEN);
6166 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6167 		if (!rval) {
6168 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6169 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6170 				sfp_flags |= BIT_0; /* short wave */
6171 			else if (sfp[0] & BIT_1)
6172 				sfp_flags |= BIT_1; /* long wave 1310nm */
6173 			else if (sfp[1] & BIT_4)
6174 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6175 		}
6176 
6177 		/* SFP Type */
6178 		memset(sfp, 0, SFP_RTDI_LEN);
6179 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6180 		if (!rval) {
6181 			sfp_flags |= BIT_4; /* optical */
6182 			if (sfp[0] == 0x3)
6183 				sfp_flags |= BIT_6; /* sfp+ */
6184 		}
6185 
6186 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6187 
6188 		/* SFP Diagnostics */
6189 		memset(sfp, 0, SFP_RTDI_LEN);
6190 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6191 		if (!rval) {
6192 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6193 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6194 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6195 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6196 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6197 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6198 		}
6199 	}
6200 
6201 	/* Port Speed Descriptor */
6202 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6203 	rsp_payload->port_speed_desc.desc_len =
6204 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6205 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6206 	    qla25xx_fdmi_port_speed_capability(ha));
6207 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6208 	    qla25xx_fdmi_port_speed_currently(ha));
6209 
6210 	/* Link Error Status Descriptor */
6211 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6212 	rsp_payload->ls_err_desc.desc_len =
6213 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6214 
6215 	if (stat) {
6216 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6217 		if (!rval) {
6218 			rsp_payload->ls_err_desc.link_fail_cnt =
6219 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6220 			rsp_payload->ls_err_desc.loss_sync_cnt =
6221 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6222 			rsp_payload->ls_err_desc.loss_sig_cnt =
6223 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6224 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6225 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6226 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6227 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6228 			rsp_payload->ls_err_desc.inval_crc_cnt =
6229 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6230 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6231 		}
6232 	}
6233 
6234 	/* Portname Descriptor */
6235 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6236 	rsp_payload->port_name_diag_desc.desc_len =
6237 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6238 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6239 	    vha->node_name,
6240 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6241 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6242 	    vha->port_name,
6243 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6244 
6245 	/* F-Port Portname Descriptor */
6246 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6247 	rsp_payload->port_name_direct_desc.desc_len =
6248 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6249 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6250 	    vha->fabric_node_name,
6251 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6252 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6253 	    vha->fabric_port_name,
6254 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6255 
6256 	/* Bufer Credit Descriptor */
6257 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6258 	rsp_payload->buffer_credit_desc.desc_len =
6259 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6260 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6261 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6262 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6263 
6264 	if (ha->flags.plogi_template_valid) {
6265 		uint32_t tmp =
6266 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6267 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6268 	}
6269 
6270 	if (rsp_payload_length < sizeof(*rsp_payload))
6271 		goto send;
6272 
6273 	/* Optical Element Descriptor, Temperature */
6274 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6275 	rsp_payload->optical_elmt_desc[0].desc_len =
6276 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6277 	/* Optical Element Descriptor, Voltage */
6278 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6279 	rsp_payload->optical_elmt_desc[1].desc_len =
6280 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6281 	/* Optical Element Descriptor, Tx Bias Current */
6282 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6283 	rsp_payload->optical_elmt_desc[2].desc_len =
6284 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6285 	/* Optical Element Descriptor, Tx Power */
6286 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6287 	rsp_payload->optical_elmt_desc[3].desc_len =
6288 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6289 	/* Optical Element Descriptor, Rx Power */
6290 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6291 	rsp_payload->optical_elmt_desc[4].desc_len =
6292 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6293 
6294 	if (sfp) {
6295 		memset(sfp, 0, SFP_RTDI_LEN);
6296 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6297 		if (!rval) {
6298 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6299 
6300 			/* Optical Element Descriptor, Temperature */
6301 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6302 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6303 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6304 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6305 			rsp_payload->optical_elmt_desc[0].element_flags =
6306 			    cpu_to_be32(1 << 28);
6307 
6308 			/* Optical Element Descriptor, Voltage */
6309 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6310 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6311 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6312 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6313 			rsp_payload->optical_elmt_desc[1].element_flags =
6314 			    cpu_to_be32(2 << 28);
6315 
6316 			/* Optical Element Descriptor, Tx Bias Current */
6317 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6318 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6319 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6320 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6321 			rsp_payload->optical_elmt_desc[2].element_flags =
6322 			    cpu_to_be32(3 << 28);
6323 
6324 			/* Optical Element Descriptor, Tx Power */
6325 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6326 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6327 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6328 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6329 			rsp_payload->optical_elmt_desc[3].element_flags =
6330 			    cpu_to_be32(4 << 28);
6331 
6332 			/* Optical Element Descriptor, Rx Power */
6333 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6334 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6335 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6336 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6337 			rsp_payload->optical_elmt_desc[4].element_flags =
6338 			    cpu_to_be32(5 << 28);
6339 		}
6340 
6341 		memset(sfp, 0, SFP_RTDI_LEN);
6342 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6343 		if (!rval) {
6344 			/* Temperature high/low alarm/warning */
6345 			rsp_payload->optical_elmt_desc[0].element_flags |=
6346 			    cpu_to_be32(
6347 				(sfp[0] >> 7 & 1) << 3 |
6348 				(sfp[0] >> 6 & 1) << 2 |
6349 				(sfp[4] >> 7 & 1) << 1 |
6350 				(sfp[4] >> 6 & 1) << 0);
6351 
6352 			/* Voltage high/low alarm/warning */
6353 			rsp_payload->optical_elmt_desc[1].element_flags |=
6354 			    cpu_to_be32(
6355 				(sfp[0] >> 5 & 1) << 3 |
6356 				(sfp[0] >> 4 & 1) << 2 |
6357 				(sfp[4] >> 5 & 1) << 1 |
6358 				(sfp[4] >> 4 & 1) << 0);
6359 
6360 			/* Tx Bias Current high/low alarm/warning */
6361 			rsp_payload->optical_elmt_desc[2].element_flags |=
6362 			    cpu_to_be32(
6363 				(sfp[0] >> 3 & 1) << 3 |
6364 				(sfp[0] >> 2 & 1) << 2 |
6365 				(sfp[4] >> 3 & 1) << 1 |
6366 				(sfp[4] >> 2 & 1) << 0);
6367 
6368 			/* Tx Power high/low alarm/warning */
6369 			rsp_payload->optical_elmt_desc[3].element_flags |=
6370 			    cpu_to_be32(
6371 				(sfp[0] >> 1 & 1) << 3 |
6372 				(sfp[0] >> 0 & 1) << 2 |
6373 				(sfp[4] >> 1 & 1) << 1 |
6374 				(sfp[4] >> 0 & 1) << 0);
6375 
6376 			/* Rx Power high/low alarm/warning */
6377 			rsp_payload->optical_elmt_desc[4].element_flags |=
6378 			    cpu_to_be32(
6379 				(sfp[1] >> 7 & 1) << 3 |
6380 				(sfp[1] >> 6 & 1) << 2 |
6381 				(sfp[5] >> 7 & 1) << 1 |
6382 				(sfp[5] >> 6 & 1) << 0);
6383 		}
6384 	}
6385 
6386 	/* Optical Product Data Descriptor */
6387 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6388 	rsp_payload->optical_prod_desc.desc_len =
6389 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6390 
6391 	if (sfp) {
6392 		memset(sfp, 0, SFP_RTDI_LEN);
6393 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6394 		if (!rval) {
6395 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6396 			    sfp + 0,
6397 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6398 			memcpy(rsp_payload->optical_prod_desc.part_number,
6399 			    sfp + 20,
6400 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6401 			memcpy(rsp_payload->optical_prod_desc.revision,
6402 			    sfp + 36,
6403 			    sizeof(rsp_payload->optical_prod_desc.revision));
6404 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6405 			    sfp + 48,
6406 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6407 		}
6408 
6409 		memset(sfp, 0, SFP_RTDI_LEN);
6410 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6411 		if (!rval) {
6412 			memcpy(rsp_payload->optical_prod_desc.date,
6413 			    sfp + 0,
6414 			    sizeof(rsp_payload->optical_prod_desc.date));
6415 		}
6416 	}
6417 
6418 send:
6419 	ql_dbg(ql_dbg_init, vha, 0x0183,
6420 	    "Sending ELS Response to RDP Request...\n");
6421 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6422 	    "-------- ELS RSP -------\n");
6423 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6424 	    rsp_els, sizeof(*rsp_els));
6425 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6426 	    "-------- ELS RSP PAYLOAD -------\n");
6427 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6428 	    rsp_payload, rsp_payload_length);
6429 
6430 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6431 
6432 	if (rval) {
6433 		ql_log(ql_log_warn, vha, 0x0188,
6434 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6435 	} else if (rsp_els->comp_status) {
6436 		ql_log(ql_log_warn, vha, 0x0189,
6437 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6438 		    __func__, rsp_els->comp_status,
6439 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6440 	} else {
6441 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6442 	}
6443 
6444 dealloc:
6445 	if (stat)
6446 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6447 		    stat, stat_dma);
6448 	if (sfp)
6449 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6450 		    sfp, sfp_dma);
6451 	if (rsp_payload)
6452 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6453 		    rsp_payload, rsp_payload_dma);
6454 	if (rsp_els)
6455 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6456 		    rsp_els, rsp_els_dma);
6457 }
6458 
6459 void
qla24xx_free_purex_item(struct purex_item * item)6460 qla24xx_free_purex_item(struct purex_item *item)
6461 {
6462 	if (item == &item->vha->default_item)
6463 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6464 	else
6465 		kfree(item);
6466 }
6467 
qla24xx_process_purex_list(struct purex_list * list)6468 void qla24xx_process_purex_list(struct purex_list *list)
6469 {
6470 	struct list_head head = LIST_HEAD_INIT(head);
6471 	struct purex_item *item, *next;
6472 	ulong flags;
6473 
6474 	spin_lock_irqsave(&list->lock, flags);
6475 	list_splice_init(&list->head, &head);
6476 	spin_unlock_irqrestore(&list->lock, flags);
6477 
6478 	list_for_each_entry_safe(item, next, &head, list) {
6479 		list_del(&item->list);
6480 		item->process_item(item->vha, item);
6481 		qla24xx_free_purex_item(item);
6482 	}
6483 }
6484 
6485 /*
6486  * Context: task, can sleep
6487  */
6488 void
qla83xx_idc_unlock(scsi_qla_host_t * base_vha,uint16_t requester_id)6489 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6490 {
6491 #if 0
6492 	uint16_t options = (requester_id << 15) | BIT_7;
6493 #endif
6494 	uint16_t retry;
6495 	uint32_t data;
6496 	struct qla_hw_data *ha = base_vha->hw;
6497 
6498 	might_sleep();
6499 
6500 	/* IDC-unlock implementation using driver-unlock/lock-id
6501 	 * remote registers
6502 	 */
6503 	retry = 0;
6504 retry_unlock:
6505 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6506 	    == QLA_SUCCESS) {
6507 		if (data == ha->portnum) {
6508 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6509 			/* Clearing lock-id by setting 0xff */
6510 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6511 		} else if (retry < 10) {
6512 			/* SV: XXX: IDC unlock retrying needed here? */
6513 
6514 			/* Retry for IDC-unlock */
6515 			msleep(QLA83XX_WAIT_LOGIC_MS);
6516 			retry++;
6517 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6518 			    "Failed to release IDC lock, retrying=%d\n", retry);
6519 			goto retry_unlock;
6520 		}
6521 	} else if (retry < 10) {
6522 		/* Retry for IDC-unlock */
6523 		msleep(QLA83XX_WAIT_LOGIC_MS);
6524 		retry++;
6525 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6526 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6527 		goto retry_unlock;
6528 	}
6529 
6530 	return;
6531 
6532 #if 0
6533 	/* XXX: IDC-unlock implementation using access-control mbx */
6534 	retry = 0;
6535 retry_unlock2:
6536 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6537 		if (retry < 10) {
6538 			/* Retry for IDC-unlock */
6539 			msleep(QLA83XX_WAIT_LOGIC_MS);
6540 			retry++;
6541 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6542 			    "Failed to release IDC lock, retrying=%d\n", retry);
6543 			goto retry_unlock2;
6544 		}
6545 	}
6546 
6547 	return;
6548 #endif
6549 }
6550 
6551 int
__qla83xx_set_drv_presence(scsi_qla_host_t * vha)6552 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6553 {
6554 	int rval = QLA_SUCCESS;
6555 	struct qla_hw_data *ha = vha->hw;
6556 	uint32_t drv_presence;
6557 
6558 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6559 	if (rval == QLA_SUCCESS) {
6560 		drv_presence |= (1 << ha->portnum);
6561 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6562 		    drv_presence);
6563 	}
6564 
6565 	return rval;
6566 }
6567 
6568 int
qla83xx_set_drv_presence(scsi_qla_host_t * vha)6569 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6570 {
6571 	int rval = QLA_SUCCESS;
6572 
6573 	qla83xx_idc_lock(vha, 0);
6574 	rval = __qla83xx_set_drv_presence(vha);
6575 	qla83xx_idc_unlock(vha, 0);
6576 
6577 	return rval;
6578 }
6579 
6580 int
__qla83xx_clear_drv_presence(scsi_qla_host_t * vha)6581 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6582 {
6583 	int rval = QLA_SUCCESS;
6584 	struct qla_hw_data *ha = vha->hw;
6585 	uint32_t drv_presence;
6586 
6587 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6588 	if (rval == QLA_SUCCESS) {
6589 		drv_presence &= ~(1 << ha->portnum);
6590 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6591 		    drv_presence);
6592 	}
6593 
6594 	return rval;
6595 }
6596 
6597 int
qla83xx_clear_drv_presence(scsi_qla_host_t * vha)6598 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6599 {
6600 	int rval = QLA_SUCCESS;
6601 
6602 	qla83xx_idc_lock(vha, 0);
6603 	rval = __qla83xx_clear_drv_presence(vha);
6604 	qla83xx_idc_unlock(vha, 0);
6605 
6606 	return rval;
6607 }
6608 
6609 static void
qla83xx_need_reset_handler(scsi_qla_host_t * vha)6610 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6611 {
6612 	struct qla_hw_data *ha = vha->hw;
6613 	uint32_t drv_ack, drv_presence;
6614 	unsigned long ack_timeout;
6615 
6616 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6617 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6618 	while (1) {
6619 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6620 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6621 		if ((drv_ack & drv_presence) == drv_presence)
6622 			break;
6623 
6624 		if (time_after_eq(jiffies, ack_timeout)) {
6625 			ql_log(ql_log_warn, vha, 0xb067,
6626 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6627 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6628 			/*
6629 			 * The function(s) which did not ack in time are forced
6630 			 * to withdraw any further participation in the IDC
6631 			 * reset.
6632 			 */
6633 			if (drv_ack != drv_presence)
6634 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6635 				    drv_ack);
6636 			break;
6637 		}
6638 
6639 		qla83xx_idc_unlock(vha, 0);
6640 		msleep(1000);
6641 		qla83xx_idc_lock(vha, 0);
6642 	}
6643 
6644 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6645 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6646 }
6647 
6648 static int
qla83xx_device_bootstrap(scsi_qla_host_t * vha)6649 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6650 {
6651 	int rval = QLA_SUCCESS;
6652 	uint32_t idc_control;
6653 
6654 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6655 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6656 
6657 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6658 	__qla83xx_get_idc_control(vha, &idc_control);
6659 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6660 	__qla83xx_set_idc_control(vha, 0);
6661 
6662 	qla83xx_idc_unlock(vha, 0);
6663 	rval = qla83xx_restart_nic_firmware(vha);
6664 	qla83xx_idc_lock(vha, 0);
6665 
6666 	if (rval != QLA_SUCCESS) {
6667 		ql_log(ql_log_fatal, vha, 0xb06a,
6668 		    "Failed to restart NIC f/w.\n");
6669 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6670 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6671 	} else {
6672 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6673 		    "Success in restarting nic f/w.\n");
6674 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6675 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6676 	}
6677 
6678 	return rval;
6679 }
6680 
6681 /* Assumes idc_lock always held on entry */
6682 int
qla83xx_idc_state_handler(scsi_qla_host_t * base_vha)6683 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6684 {
6685 	struct qla_hw_data *ha = base_vha->hw;
6686 	int rval = QLA_SUCCESS;
6687 	unsigned long dev_init_timeout;
6688 	uint32_t dev_state;
6689 
6690 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6691 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6692 
6693 	while (1) {
6694 
6695 		if (time_after_eq(jiffies, dev_init_timeout)) {
6696 			ql_log(ql_log_warn, base_vha, 0xb06e,
6697 			    "Initialization TIMEOUT!\n");
6698 			/* Init timeout. Disable further NIC Core
6699 			 * communication.
6700 			 */
6701 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6702 				QLA8XXX_DEV_FAILED);
6703 			ql_log(ql_log_info, base_vha, 0xb06f,
6704 			    "HW State: FAILED.\n");
6705 		}
6706 
6707 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6708 		switch (dev_state) {
6709 		case QLA8XXX_DEV_READY:
6710 			if (ha->flags.nic_core_reset_owner)
6711 				qla83xx_idc_audit(base_vha,
6712 				    IDC_AUDIT_COMPLETION);
6713 			ha->flags.nic_core_reset_owner = 0;
6714 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6715 			    "Reset_owner reset by 0x%x.\n",
6716 			    ha->portnum);
6717 			goto exit;
6718 		case QLA8XXX_DEV_COLD:
6719 			if (ha->flags.nic_core_reset_owner)
6720 				rval = qla83xx_device_bootstrap(base_vha);
6721 			else {
6722 			/* Wait for AEN to change device-state */
6723 				qla83xx_idc_unlock(base_vha, 0);
6724 				msleep(1000);
6725 				qla83xx_idc_lock(base_vha, 0);
6726 			}
6727 			break;
6728 		case QLA8XXX_DEV_INITIALIZING:
6729 			/* Wait for AEN to change device-state */
6730 			qla83xx_idc_unlock(base_vha, 0);
6731 			msleep(1000);
6732 			qla83xx_idc_lock(base_vha, 0);
6733 			break;
6734 		case QLA8XXX_DEV_NEED_RESET:
6735 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6736 				qla83xx_need_reset_handler(base_vha);
6737 			else {
6738 				/* Wait for AEN to change device-state */
6739 				qla83xx_idc_unlock(base_vha, 0);
6740 				msleep(1000);
6741 				qla83xx_idc_lock(base_vha, 0);
6742 			}
6743 			/* reset timeout value after need reset handler */
6744 			dev_init_timeout = jiffies +
6745 			    (ha->fcoe_dev_init_timeout * HZ);
6746 			break;
6747 		case QLA8XXX_DEV_NEED_QUIESCENT:
6748 			/* XXX: DEBUG for now */
6749 			qla83xx_idc_unlock(base_vha, 0);
6750 			msleep(1000);
6751 			qla83xx_idc_lock(base_vha, 0);
6752 			break;
6753 		case QLA8XXX_DEV_QUIESCENT:
6754 			/* XXX: DEBUG for now */
6755 			if (ha->flags.quiesce_owner)
6756 				goto exit;
6757 
6758 			qla83xx_idc_unlock(base_vha, 0);
6759 			msleep(1000);
6760 			qla83xx_idc_lock(base_vha, 0);
6761 			dev_init_timeout = jiffies +
6762 			    (ha->fcoe_dev_init_timeout * HZ);
6763 			break;
6764 		case QLA8XXX_DEV_FAILED:
6765 			if (ha->flags.nic_core_reset_owner)
6766 				qla83xx_idc_audit(base_vha,
6767 				    IDC_AUDIT_COMPLETION);
6768 			ha->flags.nic_core_reset_owner = 0;
6769 			__qla83xx_clear_drv_presence(base_vha);
6770 			qla83xx_idc_unlock(base_vha, 0);
6771 			qla8xxx_dev_failed_handler(base_vha);
6772 			rval = QLA_FUNCTION_FAILED;
6773 			qla83xx_idc_lock(base_vha, 0);
6774 			goto exit;
6775 		case QLA8XXX_BAD_VALUE:
6776 			qla83xx_idc_unlock(base_vha, 0);
6777 			msleep(1000);
6778 			qla83xx_idc_lock(base_vha, 0);
6779 			break;
6780 		default:
6781 			ql_log(ql_log_warn, base_vha, 0xb071,
6782 			    "Unknown Device State: %x.\n", dev_state);
6783 			qla83xx_idc_unlock(base_vha, 0);
6784 			qla8xxx_dev_failed_handler(base_vha);
6785 			rval = QLA_FUNCTION_FAILED;
6786 			qla83xx_idc_lock(base_vha, 0);
6787 			goto exit;
6788 		}
6789 	}
6790 
6791 exit:
6792 	return rval;
6793 }
6794 
6795 void
qla2x00_disable_board_on_pci_error(struct work_struct * work)6796 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6797 {
6798 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6799 	    board_disable);
6800 	struct pci_dev *pdev = ha->pdev;
6801 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6802 
6803 	ql_log(ql_log_warn, base_vha, 0x015b,
6804 	    "Disabling adapter.\n");
6805 
6806 	if (!atomic_read(&pdev->enable_cnt)) {
6807 		ql_log(ql_log_info, base_vha, 0xfffc,
6808 		    "PCI device disabled, no action req for PCI error=%lx\n",
6809 		    base_vha->pci_flags);
6810 		return;
6811 	}
6812 
6813 	/*
6814 	 * if UNLOADING flag is already set, then continue unload,
6815 	 * where it was set first.
6816 	 */
6817 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6818 		return;
6819 
6820 	qla2x00_wait_for_sess_deletion(base_vha);
6821 
6822 	qla2x00_delete_all_vps(ha, base_vha);
6823 
6824 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6825 
6826 	qla2x00_dfs_remove(base_vha);
6827 
6828 	qla84xx_put_chip(base_vha);
6829 
6830 	if (base_vha->timer_active)
6831 		qla2x00_stop_timer(base_vha);
6832 
6833 	base_vha->flags.online = 0;
6834 
6835 	qla2x00_destroy_deferred_work(ha);
6836 
6837 	/*
6838 	 * Do not try to stop beacon blink as it will issue a mailbox
6839 	 * command.
6840 	 */
6841 	qla2x00_free_sysfs_attr(base_vha, false);
6842 
6843 	fc_remove_host(base_vha->host);
6844 
6845 	scsi_remove_host(base_vha->host);
6846 
6847 	base_vha->flags.init_done = 0;
6848 	qla25xx_delete_queues(base_vha);
6849 	qla2x00_free_fcports(base_vha);
6850 	qla2x00_free_irqs(base_vha);
6851 	qla2x00_mem_free(ha);
6852 	qla82xx_md_free(base_vha);
6853 	qla2x00_free_queues(ha);
6854 
6855 	qla2x00_unmap_iobases(ha);
6856 
6857 	pci_release_selected_regions(ha->pdev, ha->bars);
6858 	pci_disable_device(pdev);
6859 
6860 	/*
6861 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6862 	 */
6863 }
6864 
6865 /**************************************************************************
6866 * qla2x00_do_dpc
6867 *   This kernel thread is a task that is schedule by the interrupt handler
6868 *   to perform the background processing for interrupts.
6869 *
6870 * Notes:
6871 * This task always run in the context of a kernel thread.  It
6872 * is kick-off by the driver's detect code and starts up
6873 * up one per adapter. It immediately goes to sleep and waits for
6874 * some fibre event.  When either the interrupt handler or
6875 * the timer routine detects a event it will one of the task
6876 * bits then wake us up.
6877 **************************************************************************/
6878 static int
qla2x00_do_dpc(void * data)6879 qla2x00_do_dpc(void *data)
6880 {
6881 	scsi_qla_host_t *base_vha;
6882 	struct qla_hw_data *ha;
6883 	uint32_t online;
6884 	struct qla_qpair *qpair;
6885 
6886 	ha = (struct qla_hw_data *)data;
6887 	base_vha = pci_get_drvdata(ha->pdev);
6888 
6889 	set_user_nice(current, MIN_NICE);
6890 
6891 	set_current_state(TASK_INTERRUPTIBLE);
6892 	while (1) {
6893 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6894 		    "DPC handler sleeping.\n");
6895 
6896 		schedule();
6897 
6898 		if (kthread_should_stop())
6899 			break;
6900 
6901 		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6902 			qla_pci_set_eeh_busy(base_vha);
6903 
6904 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6905 			goto end_loop;
6906 
6907 		if (ha->flags.eeh_busy) {
6908 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6909 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6910 			goto end_loop;
6911 		}
6912 
6913 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6914 			/* don't do any work. Wait to be terminated by kthread_stop */
6915 			goto end_loop;
6916 
6917 		ha->dpc_active = 1;
6918 
6919 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6920 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6921 		    base_vha->dpc_flags);
6922 
6923 		if (IS_P3P_TYPE(ha)) {
6924 			if (IS_QLA8044(ha)) {
6925 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6926 					&base_vha->dpc_flags)) {
6927 					qla8044_idc_lock(ha);
6928 					qla8044_wr_direct(base_vha,
6929 						QLA8044_CRB_DEV_STATE_INDEX,
6930 						QLA8XXX_DEV_FAILED);
6931 					qla8044_idc_unlock(ha);
6932 					ql_log(ql_log_info, base_vha, 0x4004,
6933 						"HW State: FAILED.\n");
6934 					qla8044_device_state_handler(base_vha);
6935 					continue;
6936 				}
6937 
6938 			} else {
6939 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6940 					&base_vha->dpc_flags)) {
6941 					qla82xx_idc_lock(ha);
6942 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6943 						QLA8XXX_DEV_FAILED);
6944 					qla82xx_idc_unlock(ha);
6945 					ql_log(ql_log_info, base_vha, 0x0151,
6946 						"HW State: FAILED.\n");
6947 					qla82xx_device_state_handler(base_vha);
6948 					continue;
6949 				}
6950 			}
6951 
6952 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6953 				&base_vha->dpc_flags)) {
6954 
6955 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6956 				    "FCoE context reset scheduled.\n");
6957 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6958 					&base_vha->dpc_flags))) {
6959 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6960 						/* FCoE-ctx reset failed.
6961 						 * Escalate to chip-reset
6962 						 */
6963 						set_bit(ISP_ABORT_NEEDED,
6964 							&base_vha->dpc_flags);
6965 					}
6966 					clear_bit(ABORT_ISP_ACTIVE,
6967 						&base_vha->dpc_flags);
6968 				}
6969 
6970 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6971 				    "FCoE context reset end.\n");
6972 			}
6973 		} else if (IS_QLAFX00(ha)) {
6974 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6975 				&base_vha->dpc_flags)) {
6976 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6977 				    "Firmware Reset Recovery\n");
6978 				if (qlafx00_reset_initialize(base_vha)) {
6979 					/* Failed. Abort isp later. */
6980 					if (!test_bit(UNLOADING,
6981 					    &base_vha->dpc_flags)) {
6982 						set_bit(ISP_UNRECOVERABLE,
6983 						    &base_vha->dpc_flags);
6984 						ql_dbg(ql_dbg_dpc, base_vha,
6985 						    0x4021,
6986 						    "Reset Recovery Failed\n");
6987 					}
6988 				}
6989 			}
6990 
6991 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6992 				&base_vha->dpc_flags)) {
6993 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6994 				    "ISPFx00 Target Scan scheduled\n");
6995 				if (qlafx00_rescan_isp(base_vha)) {
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, 0x401e,
7001 					    "ISPFx00 Target Scan Failed\n");
7002 				}
7003 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
7004 				    "ISPFx00 Target Scan End\n");
7005 			}
7006 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
7007 				&base_vha->dpc_flags)) {
7008 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
7009 				    "ISPFx00 Host Info resend scheduled\n");
7010 				qlafx00_fx_disc(base_vha,
7011 				    &base_vha->hw->mr.fcport,
7012 				    FXDISC_REG_HOST_INFO);
7013 			}
7014 		}
7015 
7016 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
7017 		    &base_vha->dpc_flags)) {
7018 			/* Semantic:
7019 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
7020 			 *             to minimize disruptions that will occur
7021 			 *             when a forced chip-reset occurs.
7022 			 *  - Force -- ISP-ABORT scheduled.
7023 			 */
7024 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
7025 		}
7026 
7027 		if (test_and_clear_bit
7028 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
7029 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
7030 			bool do_reset = true;
7031 
7032 			switch (base_vha->qlini_mode) {
7033 			case QLA2XXX_INI_MODE_ENABLED:
7034 				break;
7035 			case QLA2XXX_INI_MODE_DISABLED:
7036 				if (!qla_tgt_mode_enabled(base_vha) &&
7037 				    !ha->flags.fw_started)
7038 					do_reset = false;
7039 				break;
7040 			case QLA2XXX_INI_MODE_DUAL:
7041 				if (!qla_dual_mode_enabled(base_vha) &&
7042 				    !ha->flags.fw_started)
7043 					do_reset = false;
7044 				break;
7045 			default:
7046 				break;
7047 			}
7048 
7049 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7050 			    &base_vha->dpc_flags))) {
7051 				base_vha->flags.online = 1;
7052 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7053 				    "ISP abort scheduled.\n");
7054 				if (ha->isp_ops->abort_isp(base_vha)) {
7055 					/* failed. retry later */
7056 					set_bit(ISP_ABORT_NEEDED,
7057 					    &base_vha->dpc_flags);
7058 				}
7059 				clear_bit(ABORT_ISP_ACTIVE,
7060 						&base_vha->dpc_flags);
7061 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7062 				    "ISP abort end.\n");
7063 			}
7064 		}
7065 
7066 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7067 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7068 				qla24xx_process_purex_list
7069 					(&base_vha->purex_list);
7070 				clear_bit(PROCESS_PUREX_IOCB,
7071 				    &base_vha->dpc_flags);
7072 			}
7073 		}
7074 
7075 		if (IS_QLAFX00(ha))
7076 			goto loop_resync_check;
7077 
7078 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7079 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7080 			    "Quiescence mode scheduled.\n");
7081 			if (IS_P3P_TYPE(ha)) {
7082 				if (IS_QLA82XX(ha))
7083 					qla82xx_device_state_handler(base_vha);
7084 				if (IS_QLA8044(ha))
7085 					qla8044_device_state_handler(base_vha);
7086 				clear_bit(ISP_QUIESCE_NEEDED,
7087 				    &base_vha->dpc_flags);
7088 				if (!ha->flags.quiesce_owner) {
7089 					qla2x00_perform_loop_resync(base_vha);
7090 					if (IS_QLA82XX(ha)) {
7091 						qla82xx_idc_lock(ha);
7092 						qla82xx_clear_qsnt_ready(
7093 						    base_vha);
7094 						qla82xx_idc_unlock(ha);
7095 					} else if (IS_QLA8044(ha)) {
7096 						qla8044_idc_lock(ha);
7097 						qla8044_clear_qsnt_ready(
7098 						    base_vha);
7099 						qla8044_idc_unlock(ha);
7100 					}
7101 				}
7102 			} else {
7103 				clear_bit(ISP_QUIESCE_NEEDED,
7104 				    &base_vha->dpc_flags);
7105 				qla2x00_quiesce_io(base_vha);
7106 			}
7107 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7108 			    "Quiescence mode end.\n");
7109 		}
7110 
7111 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7112 				&base_vha->dpc_flags) &&
7113 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7114 
7115 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7116 			    "Reset marker scheduled.\n");
7117 			qla2x00_rst_aen(base_vha);
7118 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7119 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7120 			    "Reset marker end.\n");
7121 		}
7122 
7123 		/* Retry each device up to login retry count */
7124 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7125 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7126 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7127 
7128 			if (!base_vha->relogin_jif ||
7129 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7130 				base_vha->relogin_jif = jiffies + HZ;
7131 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7132 
7133 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7134 				    "Relogin scheduled.\n");
7135 				qla24xx_post_relogin_work(base_vha);
7136 			}
7137 		}
7138 loop_resync_check:
7139 		if (!qla2x00_reset_active(base_vha) &&
7140 		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
7141 		    &base_vha->dpc_flags)) {
7142 			/*
7143 			 * Allow abort_isp to complete before moving on to scanning.
7144 			 */
7145 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7146 			    "Loop resync scheduled.\n");
7147 
7148 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7149 			    &base_vha->dpc_flags))) {
7150 
7151 				qla2x00_loop_resync(base_vha);
7152 
7153 				clear_bit(LOOP_RESYNC_ACTIVE,
7154 						&base_vha->dpc_flags);
7155 			}
7156 
7157 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7158 			    "Loop resync end.\n");
7159 		}
7160 
7161 		if (IS_QLAFX00(ha))
7162 			goto intr_on_check;
7163 
7164 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7165 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7166 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7167 			qla2xxx_flash_npiv_conf(base_vha);
7168 		}
7169 
7170 intr_on_check:
7171 		if (!ha->interrupts_on)
7172 			ha->isp_ops->enable_intrs(ha);
7173 
7174 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7175 					&base_vha->dpc_flags)) {
7176 			if (ha->beacon_blink_led == 1)
7177 				ha->isp_ops->beacon_blink(base_vha);
7178 		}
7179 
7180 		/* qpair online check */
7181 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7182 		    &base_vha->dpc_flags)) {
7183 			if (ha->flags.eeh_busy ||
7184 			    ha->flags.pci_channel_io_perm_failure)
7185 				online = 0;
7186 			else
7187 				online = 1;
7188 
7189 			mutex_lock(&ha->mq_lock);
7190 			list_for_each_entry(qpair, &base_vha->qp_list,
7191 			    qp_list_elem)
7192 			qpair->online = online;
7193 			mutex_unlock(&ha->mq_lock);
7194 		}
7195 
7196 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7197 				       &base_vha->dpc_flags)) {
7198 			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7199 
7200 			if (threshold > ha->orig_fw_xcb_count)
7201 				threshold = ha->orig_fw_xcb_count;
7202 
7203 			ql_log(ql_log_info, base_vha, 0xffffff,
7204 			       "SET ZIO Activity exchange threshold to %d.\n",
7205 			       threshold);
7206 			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7207 				ql_log(ql_log_info, base_vha, 0xffffff,
7208 				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7209 				       threshold);
7210 			}
7211 		}
7212 
7213 		if (!IS_QLAFX00(ha))
7214 			qla2x00_do_dpc_all_vps(base_vha);
7215 
7216 		if (test_and_clear_bit(N2N_LINK_RESET,
7217 			&base_vha->dpc_flags)) {
7218 			qla2x00_lip_reset(base_vha);
7219 		}
7220 
7221 		ha->dpc_active = 0;
7222 end_loop:
7223 		set_current_state(TASK_INTERRUPTIBLE);
7224 	} /* End of while(1) */
7225 	__set_current_state(TASK_RUNNING);
7226 
7227 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7228 	    "DPC handler exiting.\n");
7229 
7230 	/*
7231 	 * Make sure that nobody tries to wake us up again.
7232 	 */
7233 	ha->dpc_active = 0;
7234 
7235 	return 0;
7236 }
7237 
7238 void
qla2xxx_wake_dpc(struct scsi_qla_host * vha)7239 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7240 {
7241 	struct qla_hw_data *ha = vha->hw;
7242 	struct task_struct *t = ha->dpc_thread;
7243 
7244 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7245 		wake_up_process(t);
7246 }
7247 
7248 /*
7249 *  qla2x00_rst_aen
7250 *      Processes asynchronous reset.
7251 *
7252 * Input:
7253 *      ha  = adapter block pointer.
7254 */
7255 static void
qla2x00_rst_aen(scsi_qla_host_t * vha)7256 qla2x00_rst_aen(scsi_qla_host_t *vha)
7257 {
7258 	if (vha->flags.online && !vha->flags.reset_active &&
7259 	    !atomic_read(&vha->loop_down_timer) &&
7260 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7261 		do {
7262 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7263 
7264 			/*
7265 			 * Issue marker command only when we are going to start
7266 			 * the I/O.
7267 			 */
7268 			vha->marker_needed = 1;
7269 		} while (!atomic_read(&vha->loop_down_timer) &&
7270 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7271 	}
7272 }
7273 
qla_do_heartbeat(struct scsi_qla_host * vha)7274 static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7275 {
7276 	struct qla_hw_data *ha = vha->hw;
7277 	u32 cmpl_cnt;
7278 	u16 i;
7279 	bool do_heartbeat = false;
7280 
7281 	/*
7282 	 * Allow do_heartbeat only if we don’t have any active interrupts,
7283 	 * but there are still IOs outstanding with firmware.
7284 	 */
7285 	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7286 	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7287 	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7288 		do_heartbeat = true;
7289 		goto skip;
7290 	}
7291 	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7292 
7293 	for (i = 0; i < ha->max_qpairs; i++) {
7294 		if (ha->queue_pair_map[i]) {
7295 			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7296 			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7297 			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7298 				do_heartbeat = true;
7299 				break;
7300 			}
7301 			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7302 		}
7303 	}
7304 
7305 skip:
7306 	return do_heartbeat;
7307 }
7308 
qla_heart_beat(struct scsi_qla_host * vha,u16 dpc_started)7309 static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7310 {
7311 	struct qla_hw_data *ha = vha->hw;
7312 
7313 	if (vha->vp_idx)
7314 		return;
7315 
7316 	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7317 		return;
7318 
7319 	/*
7320 	 * dpc thread cannot run if heartbeat is running at the same time.
7321 	 * We also do not want to starve heartbeat task. Therefore, do
7322 	 * heartbeat task at least once every 5 seconds.
7323 	 */
7324 	if (dpc_started &&
7325 	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7326 		return;
7327 
7328 	if (qla_do_heartbeat(vha)) {
7329 		ha->last_heartbeat_run_jiffies = jiffies;
7330 		queue_work(ha->wq, &ha->heartbeat_work);
7331 	}
7332 }
7333 
qla_wind_down_chip(scsi_qla_host_t * vha)7334 static void qla_wind_down_chip(scsi_qla_host_t *vha)
7335 {
7336 	struct qla_hw_data *ha = vha->hw;
7337 
7338 	if (!ha->flags.eeh_busy)
7339 		return;
7340 	if (ha->pci_error_state)
7341 		/* system is trying to recover */
7342 		return;
7343 
7344 	/*
7345 	 * Current system is not handling PCIE error.  At this point, this is
7346 	 * best effort to wind down the adapter.
7347 	 */
7348 	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7349 	    !ha->flags.eeh_flush) {
7350 		ql_log(ql_log_info, vha, 0x9009,
7351 		    "PCI Error detected, attempting to reset hardware.\n");
7352 
7353 		ha->isp_ops->reset_chip(vha);
7354 		ha->isp_ops->disable_intrs(ha);
7355 
7356 		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7357 		ha->eeh_jif = jiffies;
7358 
7359 	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7360 	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7361 		pci_clear_master(ha->pdev);
7362 
7363 		/* flush all command */
7364 		qla2x00_abort_isp_cleanup(vha);
7365 		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7366 
7367 		ql_log(ql_log_info, vha, 0x900a,
7368 		    "PCI Error handling complete, all IOs aborted.\n");
7369 	}
7370 }
7371 
7372 /**************************************************************************
7373 *   qla2x00_timer
7374 *
7375 * Description:
7376 *   One second timer
7377 *
7378 * Context: Interrupt
7379 ***************************************************************************/
7380 void
qla2x00_timer(struct timer_list * t)7381 qla2x00_timer(struct timer_list *t)
7382 {
7383 	scsi_qla_host_t *vha = timer_container_of(vha, t, timer);
7384 	unsigned long	cpu_flags = 0;
7385 	int		start_dpc = 0;
7386 	int		index;
7387 	srb_t		*sp;
7388 	uint16_t        w;
7389 	struct qla_hw_data *ha = vha->hw;
7390 	struct req_que *req;
7391 	unsigned long flags;
7392 	fc_port_t *fcport = NULL;
7393 
7394 	if (ha->flags.eeh_busy) {
7395 		qla_wind_down_chip(vha);
7396 
7397 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7398 		    "EEH = %d, restarting timer.\n",
7399 		    ha->flags.eeh_busy);
7400 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7401 		return;
7402 	}
7403 
7404 	/*
7405 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7406 	 * the read returns -1 then disable the board.
7407 	 */
7408 	if (!pci_channel_offline(ha->pdev)) {
7409 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7410 		qla2x00_check_reg16_for_disconnect(vha, w);
7411 	}
7412 
7413 	/* Make sure qla82xx_watchdog is run only for physical port */
7414 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7415 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7416 			start_dpc++;
7417 		if (IS_QLA82XX(ha))
7418 			qla82xx_watchdog(vha);
7419 		else if (IS_QLA8044(ha))
7420 			qla8044_watchdog(vha);
7421 	}
7422 
7423 	if (!vha->vp_idx && IS_QLAFX00(ha))
7424 		qlafx00_timer_routine(vha);
7425 
7426 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7427 		vha->link_down_time++;
7428 
7429 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7430 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7431 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7432 			fcport->tgt_link_down_time++;
7433 	}
7434 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7435 
7436 	/* Loop down handler. */
7437 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7438 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7439 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7440 		&& vha->flags.online) {
7441 
7442 		if (atomic_read(&vha->loop_down_timer) ==
7443 		    vha->loop_down_abort_time) {
7444 
7445 			ql_log(ql_log_info, vha, 0x6008,
7446 			    "Loop down - aborting the queues before time expires.\n");
7447 
7448 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7449 				atomic_set(&vha->loop_state, LOOP_DEAD);
7450 
7451 			/*
7452 			 * Schedule an ISP abort to return any FCP2-device
7453 			 * commands.
7454 			 */
7455 			/* NPIV - scan physical port only */
7456 			if (!vha->vp_idx) {
7457 				spin_lock_irqsave(&ha->hardware_lock,
7458 				    cpu_flags);
7459 				req = ha->req_q_map[0];
7460 				for (index = 1;
7461 				    index < req->num_outstanding_cmds;
7462 				    index++) {
7463 					fc_port_t *sfcp;
7464 
7465 					sp = req->outstanding_cmds[index];
7466 					if (!sp)
7467 						continue;
7468 					if (sp->cmd_type != TYPE_SRB)
7469 						continue;
7470 					if (sp->type != SRB_SCSI_CMD)
7471 						continue;
7472 					sfcp = sp->fcport;
7473 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7474 						continue;
7475 
7476 					if (IS_QLA82XX(ha))
7477 						set_bit(FCOE_CTX_RESET_NEEDED,
7478 							&vha->dpc_flags);
7479 					else
7480 						set_bit(ISP_ABORT_NEEDED,
7481 							&vha->dpc_flags);
7482 					break;
7483 				}
7484 				spin_unlock_irqrestore(&ha->hardware_lock,
7485 								cpu_flags);
7486 			}
7487 			start_dpc++;
7488 		}
7489 
7490 		/* if the loop has been down for 4 minutes, reinit adapter */
7491 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7492 			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
7493 				ql_log(ql_log_warn, vha, 0x6009,
7494 				    "Loop down - aborting ISP.\n");
7495 
7496 				if (IS_QLA82XX(ha))
7497 					set_bit(FCOE_CTX_RESET_NEEDED,
7498 						&vha->dpc_flags);
7499 				else
7500 					set_bit(ISP_ABORT_NEEDED,
7501 						&vha->dpc_flags);
7502 			}
7503 		}
7504 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7505 		    "Loop down - seconds remaining %d.\n",
7506 		    atomic_read(&vha->loop_down_timer));
7507 	}
7508 	/* Check if beacon LED needs to be blinked for physical host only */
7509 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7510 		/* There is no beacon_blink function for ISP82xx */
7511 		if (!IS_P3P_TYPE(ha)) {
7512 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7513 			start_dpc++;
7514 		}
7515 	}
7516 
7517 	/* check if edif running */
7518 	if (vha->hw->flags.edif_enabled)
7519 		qla_edif_timer(vha);
7520 
7521 	/* Process any deferred work. */
7522 	if (!list_empty(&vha->work_list)) {
7523 		unsigned long flags;
7524 		bool q = false;
7525 
7526 		spin_lock_irqsave(&vha->work_lock, flags);
7527 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7528 			q = true;
7529 		spin_unlock_irqrestore(&vha->work_lock, flags);
7530 		if (q)
7531 			queue_work(vha->hw->wq, &vha->iocb_work);
7532 	}
7533 
7534 	/*
7535 	 * FC-NVME
7536 	 * see if the active AEN count has changed from what was last reported.
7537 	 */
7538 	index = atomic_read(&ha->nvme_active_aen_cnt);
7539 	if (!vha->vp_idx &&
7540 	    (index != ha->nvme_last_rptd_aen) &&
7541 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7542 	    !ha->flags.host_shutting_down) {
7543 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7544 		ql_log(ql_log_info, vha, 0x3002,
7545 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7546 		    ha->nvme_last_rptd_aen);
7547 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7548 		start_dpc++;
7549 	}
7550 
7551 	if (!vha->vp_idx &&
7552 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7553 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7554 		ql_log(ql_log_info, vha, 0x3002,
7555 		    "Sched: Set ZIO exchange threshold to %d.\n",
7556 		    ha->last_zio_threshold);
7557 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7558 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7559 		start_dpc++;
7560 	}
7561 	qla_adjust_buf(vha);
7562 
7563 	/* borrowing w to signify dpc will run */
7564 	w = 0;
7565 	/* Schedule the DPC routine if needed */
7566 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7567 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7568 	    start_dpc ||
7569 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7570 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7571 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7572 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7573 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7574 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7575 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7576 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7577 		    "isp_abort_needed=%d loop_resync_needed=%d "
7578 		    "start_dpc=%d reset_marker_needed=%d",
7579 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7580 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7581 		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7582 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7583 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7584 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7585 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7586 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7587 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7588 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7589 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7590 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7591 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7592 		qla2xxx_wake_dpc(vha);
7593 		w = 1;
7594 	}
7595 
7596 	qla_heart_beat(vha, w);
7597 
7598 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7599 }
7600 
7601 /* Firmware interface routines. */
7602 
7603 #define FW_ISP21XX	0
7604 #define FW_ISP22XX	1
7605 #define FW_ISP2300	2
7606 #define FW_ISP2322	3
7607 #define FW_ISP24XX	4
7608 #define FW_ISP25XX	5
7609 #define FW_ISP81XX	6
7610 #define FW_ISP82XX	7
7611 #define FW_ISP2031	8
7612 #define FW_ISP8031	9
7613 #define FW_ISP27XX	10
7614 #define FW_ISP28XX	11
7615 
7616 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7617 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7618 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7619 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7620 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7621 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7622 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7623 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7624 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7625 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7626 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7627 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7628 
7629 
7630 static DEFINE_MUTEX(qla_fw_lock);
7631 
7632 static struct fw_blob qla_fw_blobs[] = {
7633 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7634 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7635 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7636 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7637 	{ .name = FW_FILE_ISP24XX, },
7638 	{ .name = FW_FILE_ISP25XX, },
7639 	{ .name = FW_FILE_ISP81XX, },
7640 	{ .name = FW_FILE_ISP82XX, },
7641 	{ .name = FW_FILE_ISP2031, },
7642 	{ .name = FW_FILE_ISP8031, },
7643 	{ .name = FW_FILE_ISP27XX, },
7644 	{ .name = FW_FILE_ISP28XX, },
7645 	{ .name = NULL, },
7646 };
7647 
7648 struct fw_blob *
qla2x00_request_firmware(scsi_qla_host_t * vha)7649 qla2x00_request_firmware(scsi_qla_host_t *vha)
7650 {
7651 	struct qla_hw_data *ha = vha->hw;
7652 	struct fw_blob *blob;
7653 
7654 	if (IS_QLA2100(ha)) {
7655 		blob = &qla_fw_blobs[FW_ISP21XX];
7656 	} else if (IS_QLA2200(ha)) {
7657 		blob = &qla_fw_blobs[FW_ISP22XX];
7658 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7659 		blob = &qla_fw_blobs[FW_ISP2300];
7660 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7661 		blob = &qla_fw_blobs[FW_ISP2322];
7662 	} else if (IS_QLA24XX_TYPE(ha)) {
7663 		blob = &qla_fw_blobs[FW_ISP24XX];
7664 	} else if (IS_QLA25XX(ha)) {
7665 		blob = &qla_fw_blobs[FW_ISP25XX];
7666 	} else if (IS_QLA81XX(ha)) {
7667 		blob = &qla_fw_blobs[FW_ISP81XX];
7668 	} else if (IS_QLA82XX(ha)) {
7669 		blob = &qla_fw_blobs[FW_ISP82XX];
7670 	} else if (IS_QLA2031(ha)) {
7671 		blob = &qla_fw_blobs[FW_ISP2031];
7672 	} else if (IS_QLA8031(ha)) {
7673 		blob = &qla_fw_blobs[FW_ISP8031];
7674 	} else if (IS_QLA27XX(ha)) {
7675 		blob = &qla_fw_blobs[FW_ISP27XX];
7676 	} else if (IS_QLA28XX(ha)) {
7677 		blob = &qla_fw_blobs[FW_ISP28XX];
7678 	} else {
7679 		return NULL;
7680 	}
7681 
7682 	if (!blob->name)
7683 		return NULL;
7684 
7685 	mutex_lock(&qla_fw_lock);
7686 	if (blob->fw)
7687 		goto out;
7688 
7689 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7690 		ql_log(ql_log_warn, vha, 0x0063,
7691 		    "Failed to load firmware image (%s).\n", blob->name);
7692 		blob->fw = NULL;
7693 		blob = NULL;
7694 	}
7695 
7696 out:
7697 	mutex_unlock(&qla_fw_lock);
7698 	return blob;
7699 }
7700 
7701 static void
qla2x00_release_firmware(void)7702 qla2x00_release_firmware(void)
7703 {
7704 	struct fw_blob *blob;
7705 
7706 	mutex_lock(&qla_fw_lock);
7707 	for (blob = qla_fw_blobs; blob->name; blob++)
7708 		release_firmware(blob->fw);
7709 	mutex_unlock(&qla_fw_lock);
7710 }
7711 
qla_pci_error_cleanup(scsi_qla_host_t * vha)7712 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7713 {
7714 	struct qla_hw_data *ha = vha->hw;
7715 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7716 	struct qla_qpair *qpair = NULL;
7717 	struct scsi_qla_host *vp, *tvp;
7718 	fc_port_t *fcport;
7719 	int i;
7720 	unsigned long flags;
7721 
7722 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7723 	       "%s\n", __func__);
7724 	ha->chip_reset++;
7725 
7726 	ha->base_qpair->chip_reset = ha->chip_reset;
7727 	for (i = 0; i < ha->max_qpairs; i++) {
7728 		if (ha->queue_pair_map[i])
7729 			ha->queue_pair_map[i]->chip_reset =
7730 			    ha->base_qpair->chip_reset;
7731 	}
7732 
7733 	/*
7734 	 * purge mailbox might take a while. Slot Reset/chip reset
7735 	 * will take care of the purge
7736 	 */
7737 
7738 	mutex_lock(&ha->mq_lock);
7739 	ha->base_qpair->online = 0;
7740 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7741 		qpair->online = 0;
7742 	wmb();
7743 	mutex_unlock(&ha->mq_lock);
7744 
7745 	qla2x00_mark_all_devices_lost(vha);
7746 
7747 	spin_lock_irqsave(&ha->vport_slock, flags);
7748 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7749 		atomic_inc(&vp->vref_count);
7750 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7751 		qla2x00_mark_all_devices_lost(vp);
7752 		spin_lock_irqsave(&ha->vport_slock, flags);
7753 		atomic_dec(&vp->vref_count);
7754 	}
7755 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7756 
7757 	/* Clear all async request states across all VPs. */
7758 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7759 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7760 
7761 	spin_lock_irqsave(&ha->vport_slock, flags);
7762 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7763 		atomic_inc(&vp->vref_count);
7764 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7765 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7766 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7767 		spin_lock_irqsave(&ha->vport_slock, flags);
7768 		atomic_dec(&vp->vref_count);
7769 	}
7770 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7771 }
7772 
7773 
7774 static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t state)7775 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7776 {
7777 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7778 	struct qla_hw_data *ha = vha->hw;
7779 	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7780 
7781 	ql_log(ql_log_warn, vha, 0x9000,
7782 	       "PCI error detected, state %x.\n", state);
7783 	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7784 
7785 	if (!atomic_read(&pdev->enable_cnt)) {
7786 		ql_log(ql_log_info, vha, 0xffff,
7787 			"PCI device is disabled,state %x\n", state);
7788 		ret = PCI_ERS_RESULT_NEED_RESET;
7789 		goto out;
7790 	}
7791 
7792 	switch (state) {
7793 	case pci_channel_io_normal:
7794 		qla_pci_set_eeh_busy(vha);
7795 		if (ql2xmqsupport || ql2xnvmeenable) {
7796 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7797 			qla2xxx_wake_dpc(vha);
7798 		}
7799 		ret = PCI_ERS_RESULT_CAN_RECOVER;
7800 		break;
7801 	case pci_channel_io_frozen:
7802 		qla_pci_set_eeh_busy(vha);
7803 		ret = PCI_ERS_RESULT_NEED_RESET;
7804 		break;
7805 	case pci_channel_io_perm_failure:
7806 		ha->flags.pci_channel_io_perm_failure = 1;
7807 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7808 		if (ql2xmqsupport || ql2xnvmeenable) {
7809 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7810 			qla2xxx_wake_dpc(vha);
7811 		}
7812 		ret = PCI_ERS_RESULT_DISCONNECT;
7813 	}
7814 out:
7815 	ql_dbg(ql_dbg_aer, vha, 0x600d,
7816 	       "PCI error detected returning [%x].\n", ret);
7817 	return ret;
7818 }
7819 
7820 static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev * pdev)7821 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7822 {
7823 	int risc_paused = 0;
7824 	uint32_t stat;
7825 	unsigned long flags;
7826 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7827 	struct qla_hw_data *ha = base_vha->hw;
7828 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7829 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7830 
7831 	ql_log(ql_log_warn, base_vha, 0x9000,
7832 	       "mmio enabled\n");
7833 
7834 	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7835 
7836 	if (IS_QLA82XX(ha))
7837 		return PCI_ERS_RESULT_RECOVERED;
7838 
7839 	if (qla2x00_isp_reg_stat(ha)) {
7840 		ql_log(ql_log_info, base_vha, 0x803f,
7841 		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7842 		goto out;
7843 	}
7844 
7845 	spin_lock_irqsave(&ha->hardware_lock, flags);
7846 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7847 		stat = rd_reg_word(&reg->hccr);
7848 		if (stat & HCCR_RISC_PAUSE)
7849 			risc_paused = 1;
7850 	} else if (IS_QLA23XX(ha)) {
7851 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7852 		if (stat & HSR_RISC_PAUSED)
7853 			risc_paused = 1;
7854 	} else if (IS_FWI2_CAPABLE(ha)) {
7855 		stat = rd_reg_dword(&reg24->host_status);
7856 		if (stat & HSRX_RISC_PAUSED)
7857 			risc_paused = 1;
7858 	}
7859 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7860 
7861 	if (risc_paused) {
7862 		ql_log(ql_log_info, base_vha, 0x9003,
7863 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7864 		qla2xxx_dump_fw(base_vha);
7865 	}
7866 out:
7867 	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7868 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7869 	       "mmio enabled returning.\n");
7870 	return PCI_ERS_RESULT_NEED_RESET;
7871 }
7872 
7873 static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev * pdev)7874 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7875 {
7876 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7877 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7878 	struct qla_hw_data *ha = base_vha->hw;
7879 	int rc;
7880 	struct qla_qpair *qpair = NULL;
7881 
7882 	ql_log(ql_log_warn, base_vha, 0x9004,
7883 	       "Slot Reset.\n");
7884 
7885 	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7886 	/* Workaround: qla2xxx driver which access hardware earlier
7887 	 * needs error state to be pci_channel_io_online.
7888 	 * Otherwise mailbox command timesout.
7889 	 */
7890 	pdev->error_state = pci_channel_io_normal;
7891 
7892 	pci_restore_state(pdev);
7893 
7894 	/* pci_restore_state() clears the saved_state flag of the device
7895 	 * save restored state which resets saved_state flag
7896 	 */
7897 	pci_save_state(pdev);
7898 
7899 	if (ha->mem_only)
7900 		rc = pci_enable_device_mem(pdev);
7901 	else
7902 		rc = pci_enable_device(pdev);
7903 
7904 	if (rc) {
7905 		ql_log(ql_log_warn, base_vha, 0x9005,
7906 		    "Can't re-enable PCI device after reset.\n");
7907 		goto exit_slot_reset;
7908 	}
7909 
7910 
7911 	if (ha->isp_ops->pci_config(base_vha))
7912 		goto exit_slot_reset;
7913 
7914 	mutex_lock(&ha->mq_lock);
7915 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7916 		qpair->online = 1;
7917 	mutex_unlock(&ha->mq_lock);
7918 
7919 	ha->flags.eeh_busy = 0;
7920 	base_vha->flags.online = 1;
7921 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7922 	ha->isp_ops->abort_isp(base_vha);
7923 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7924 
7925 	if (qla2x00_isp_reg_stat(ha)) {
7926 		ha->flags.eeh_busy = 1;
7927 		qla_pci_error_cleanup(base_vha);
7928 		ql_log(ql_log_warn, base_vha, 0x9005,
7929 		       "Device unable to recover from PCI error.\n");
7930 	} else {
7931 		ret =  PCI_ERS_RESULT_RECOVERED;
7932 	}
7933 
7934 exit_slot_reset:
7935 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7936 	    "Slot Reset returning %x.\n", ret);
7937 
7938 	return ret;
7939 }
7940 
7941 static void
qla2xxx_pci_resume(struct pci_dev * pdev)7942 qla2xxx_pci_resume(struct pci_dev *pdev)
7943 {
7944 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7945 	struct qla_hw_data *ha = base_vha->hw;
7946 	int ret;
7947 
7948 	ql_log(ql_log_warn, base_vha, 0x900f,
7949 	       "Pci Resume.\n");
7950 
7951 
7952 	ret = qla2x00_wait_for_hba_online(base_vha);
7953 	if (ret != QLA_SUCCESS) {
7954 		ql_log(ql_log_fatal, base_vha, 0x9002,
7955 		    "The device failed to resume I/O from slot/link_reset.\n");
7956 	}
7957 	ha->pci_error_state = QLA_PCI_RESUME;
7958 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7959 	       "Pci Resume returning.\n");
7960 }
7961 
qla_pci_set_eeh_busy(struct scsi_qla_host * vha)7962 void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7963 {
7964 	struct qla_hw_data *ha = vha->hw;
7965 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7966 	bool do_cleanup = false;
7967 	unsigned long flags;
7968 
7969 	if (ha->flags.eeh_busy)
7970 		return;
7971 
7972 	spin_lock_irqsave(&base_vha->work_lock, flags);
7973 	if (!ha->flags.eeh_busy) {
7974 		ha->eeh_jif = jiffies;
7975 		ha->flags.eeh_flush = 0;
7976 
7977 		ha->flags.eeh_busy = 1;
7978 		do_cleanup = true;
7979 	}
7980 	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7981 
7982 	if (do_cleanup)
7983 		qla_pci_error_cleanup(base_vha);
7984 }
7985 
7986 /*
7987  * this routine will schedule a task to pause IO from interrupt context
7988  * if caller sees a PCIE error event (register read = 0xf's)
7989  */
qla_schedule_eeh_work(struct scsi_qla_host * vha)7990 void qla_schedule_eeh_work(struct scsi_qla_host *vha)
7991 {
7992 	struct qla_hw_data *ha = vha->hw;
7993 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7994 
7995 	if (ha->flags.eeh_busy)
7996 		return;
7997 
7998 	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
7999 	qla2xxx_wake_dpc(base_vha);
8000 }
8001 
8002 static void
qla_pci_reset_prepare(struct pci_dev * pdev)8003 qla_pci_reset_prepare(struct pci_dev *pdev)
8004 {
8005 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8006 	struct qla_hw_data *ha = base_vha->hw;
8007 	struct qla_qpair *qpair;
8008 
8009 	ql_log(ql_log_warn, base_vha, 0xffff,
8010 	    "%s.\n", __func__);
8011 
8012 	/*
8013 	 * PCI FLR/function reset is about to reset the
8014 	 * slot. Stop the chip to stop all DMA access.
8015 	 * It is assumed that pci_reset_done will be called
8016 	 * after FLR to resume Chip operation.
8017 	 */
8018 	ha->flags.eeh_busy = 1;
8019 	mutex_lock(&ha->mq_lock);
8020 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8021 		qpair->online = 0;
8022 	mutex_unlock(&ha->mq_lock);
8023 
8024 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8025 	qla2x00_abort_isp_cleanup(base_vha);
8026 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
8027 }
8028 
8029 static void
qla_pci_reset_done(struct pci_dev * pdev)8030 qla_pci_reset_done(struct pci_dev *pdev)
8031 {
8032 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8033 	struct qla_hw_data *ha = base_vha->hw;
8034 	struct qla_qpair *qpair;
8035 
8036 	ql_log(ql_log_warn, base_vha, 0xffff,
8037 	    "%s.\n", __func__);
8038 
8039 	/*
8040 	 * FLR just completed by PCI layer. Resume adapter
8041 	 */
8042 	ha->flags.eeh_busy = 0;
8043 	mutex_lock(&ha->mq_lock);
8044 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8045 		qpair->online = 1;
8046 	mutex_unlock(&ha->mq_lock);
8047 
8048 	base_vha->flags.online = 1;
8049 	ha->isp_ops->abort_isp(base_vha);
8050 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8051 }
8052 
qla2xxx_map_queues(struct Scsi_Host * shost)8053 static void qla2xxx_map_queues(struct Scsi_Host *shost)
8054 {
8055 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8056 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8057 
8058 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8059 		blk_mq_map_queues(qmap);
8060 	else
8061 		blk_mq_map_hw_queues(qmap, &vha->hw->pdev->dev,
8062 				       vha->irq_offset);
8063 }
8064 
8065 struct scsi_host_template qla2xxx_driver_template = {
8066 	.module			= THIS_MODULE,
8067 	.name			= QLA2XXX_DRIVER_NAME,
8068 	.queuecommand		= qla2xxx_queuecommand,
8069 
8070 	.eh_timed_out		= fc_eh_timed_out,
8071 	.eh_abort_handler	= qla2xxx_eh_abort,
8072 	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8073 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8074 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8075 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8076 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8077 
8078 	.sdev_configure		= qla2xxx_sdev_configure,
8079 
8080 	.sdev_init		= qla2xxx_sdev_init,
8081 	.sdev_destroy		= qla2xxx_sdev_destroy,
8082 	.scan_finished		= qla2xxx_scan_finished,
8083 	.scan_start		= qla2xxx_scan_start,
8084 	.change_queue_depth	= scsi_change_queue_depth,
8085 	.map_queues             = qla2xxx_map_queues,
8086 	.this_id		= -1,
8087 	.cmd_per_lun		= 3,
8088 	.sg_tablesize		= SG_ALL,
8089 
8090 	.max_sectors		= 0xFFFF,
8091 	.shost_groups		= qla2x00_host_groups,
8092 
8093 	.supported_mode		= MODE_INITIATOR,
8094 	.track_queue_depth	= 1,
8095 	.cmd_size		= sizeof(srb_t),
8096 };
8097 
8098 static const struct pci_error_handlers qla2xxx_err_handler = {
8099 	.error_detected = qla2xxx_pci_error_detected,
8100 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8101 	.slot_reset = qla2xxx_pci_slot_reset,
8102 	.resume = qla2xxx_pci_resume,
8103 	.reset_prepare = qla_pci_reset_prepare,
8104 	.reset_done = qla_pci_reset_done,
8105 };
8106 
8107 static const struct pci_device_id qla2xxx_pci_tbl[] = {
8108 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8109 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8110 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8111 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8112 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8113 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8114 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8115 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8116 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8117 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8118 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8119 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8120 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8121 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8122 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8123 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8124 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8125 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8126 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8127 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8128 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8129 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8130 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8131 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8132 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8133 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8134 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8135 	{ 0 },
8136 };
8137 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8138 
8139 static struct pci_driver qla2xxx_pci_driver = {
8140 	.name		= QLA2XXX_DRIVER_NAME,
8141 	.id_table	= qla2xxx_pci_tbl,
8142 	.probe		= qla2x00_probe_one,
8143 	.remove		= qla2x00_remove_one,
8144 	.shutdown	= qla2x00_shutdown,
8145 	.err_handler	= &qla2xxx_err_handler,
8146 };
8147 
8148 static const struct file_operations apidev_fops = {
8149 	.owner = THIS_MODULE,
8150 	.llseek = noop_llseek,
8151 };
8152 
8153 /**
8154  * qla2x00_module_init - Module initialization.
8155  **/
8156 static int __init
qla2x00_module_init(void)8157 qla2x00_module_init(void)
8158 {
8159 	int ret = 0;
8160 
8161 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8162 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8163 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8164 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8165 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8166 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8167 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8168 	BUILD_BUG_ON(sizeof(request_t) != 64);
8169 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8170 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8171 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8172 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8173 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8174 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8175 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8176 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8177 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8178 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8179 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8180 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8181 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8182 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8183 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8184 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8185 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8186 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8187 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8188 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8189 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8190 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8191 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8192 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8193 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8194 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8195 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8196 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8197 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8198 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8199 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8200 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8201 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8202 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8203 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8204 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8205 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8206 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8207 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8208 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8209 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8210 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8211 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8212 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8213 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8214 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8215 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8216 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8217 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8218 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8219 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8220 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8221 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8222 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8223 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8224 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8225 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8226 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8227 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8228 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8229 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8230 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8231 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8232 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8233 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8234 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8235 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8236 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8237 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8238 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8239 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8240 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8241 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8242 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8243 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8244 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8245 
8246 	qla_trace_init();
8247 
8248 	/* Allocate cache for SRBs. */
8249 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8250 	    SLAB_HWCACHE_ALIGN, NULL);
8251 	if (srb_cachep == NULL) {
8252 		ql_log(ql_log_fatal, NULL, 0x0001,
8253 		    "Unable to allocate SRB cache...Failing load!.\n");
8254 		return -ENOMEM;
8255 	}
8256 
8257 	/* Initialize target kmem_cache and mem_pools */
8258 	ret = qlt_init();
8259 	if (ret < 0) {
8260 		goto destroy_cache;
8261 	} else if (ret > 0) {
8262 		/*
8263 		 * If initiator mode is explictly disabled by qlt_init(),
8264 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8265 		 * performing scsi_scan_target() during LOOP UP event.
8266 		 */
8267 		qla2xxx_transport_functions.disable_target_scan = 1;
8268 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8269 	}
8270 
8271 	/* Derive version string. */
8272 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8273 	if (ql2xextended_error_logging)
8274 		strcat(qla2x00_version_str, "-debug");
8275 	if (ql2xextended_error_logging == 1)
8276 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8277 
8278 	qla2xxx_transport_template =
8279 	    fc_attach_transport(&qla2xxx_transport_functions);
8280 	if (!qla2xxx_transport_template) {
8281 		ql_log(ql_log_fatal, NULL, 0x0002,
8282 		    "fc_attach_transport failed...Failing load!.\n");
8283 		ret = -ENODEV;
8284 		goto qlt_exit;
8285 	}
8286 
8287 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8288 	if (apidev_major < 0) {
8289 		ql_log(ql_log_fatal, NULL, 0x0003,
8290 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8291 	}
8292 
8293 	qla2xxx_transport_vport_template =
8294 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8295 	if (!qla2xxx_transport_vport_template) {
8296 		ql_log(ql_log_fatal, NULL, 0x0004,
8297 		    "fc_attach_transport vport failed...Failing load!.\n");
8298 		ret = -ENODEV;
8299 		goto unreg_chrdev;
8300 	}
8301 	ql_log(ql_log_info, NULL, 0x0005,
8302 	    "QLogic Fibre Channel HBA Driver: %s.\n",
8303 	    qla2x00_version_str);
8304 	ret = pci_register_driver(&qla2xxx_pci_driver);
8305 	if (ret) {
8306 		ql_log(ql_log_fatal, NULL, 0x0006,
8307 		    "pci_register_driver failed...ret=%d Failing load!.\n",
8308 		    ret);
8309 		goto release_vport_transport;
8310 	}
8311 	return ret;
8312 
8313 release_vport_transport:
8314 	fc_release_transport(qla2xxx_transport_vport_template);
8315 
8316 unreg_chrdev:
8317 	if (apidev_major >= 0)
8318 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8319 	fc_release_transport(qla2xxx_transport_template);
8320 
8321 qlt_exit:
8322 	qlt_exit();
8323 
8324 destroy_cache:
8325 	kmem_cache_destroy(srb_cachep);
8326 
8327 	qla_trace_uninit();
8328 	return ret;
8329 }
8330 
8331 /**
8332  * qla2x00_module_exit - Module cleanup.
8333  **/
8334 static void __exit
qla2x00_module_exit(void)8335 qla2x00_module_exit(void)
8336 {
8337 	pci_unregister_driver(&qla2xxx_pci_driver);
8338 	qla2x00_release_firmware();
8339 	kmem_cache_destroy(ctx_cachep);
8340 	fc_release_transport(qla2xxx_transport_vport_template);
8341 	if (apidev_major >= 0)
8342 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8343 	fc_release_transport(qla2xxx_transport_template);
8344 	qlt_exit();
8345 	kmem_cache_destroy(srb_cachep);
8346 	qla_trace_uninit();
8347 }
8348 
8349 module_init(qla2x00_module_init);
8350 module_exit(qla2x00_module_exit);
8351 
8352 MODULE_AUTHOR("QLogic Corporation");
8353 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8354 MODULE_LICENSE("GPL");
8355 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8356 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8357 MODULE_FIRMWARE(FW_FILE_ISP2300);
8358 MODULE_FIRMWARE(FW_FILE_ISP2322);
8359 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8360 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8361