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