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 <linux/blk-mq-pci.h>
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21
22 #include "qla_target.h"
23
24 /*
25 * Driver version
26 */
27 char qla2x00_version_str[40];
28
29 static int apidev_major;
30
31 /*
32 * SRB allocation cache
33 */
34 struct kmem_cache *srb_cachep;
35
36 /*
37 * CT6 CTX allocation cache
38 */
39 static struct kmem_cache *ctx_cachep;
40 /*
41 * error level for logging
42 */
43 int ql_errlev = ql_log_all;
44
45 static int ql2xenableclass2;
46 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
47 MODULE_PARM_DESC(ql2xenableclass2,
48 "Specify if Class 2 operations are supported from the very "
49 "beginning. Default is 0 - class 2 not supported.");
50
51
52 int ql2xlogintimeout = 20;
53 module_param(ql2xlogintimeout, int, S_IRUGO);
54 MODULE_PARM_DESC(ql2xlogintimeout,
55 "Login timeout value in seconds.");
56
57 int qlport_down_retry;
58 module_param(qlport_down_retry, int, S_IRUGO);
59 MODULE_PARM_DESC(qlport_down_retry,
60 "Maximum number of command retries to a port that returns "
61 "a PORT-DOWN status.");
62
63 int ql2xplogiabsentdevice;
64 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
65 MODULE_PARM_DESC(ql2xplogiabsentdevice,
66 "Option to enable PLOGI to devices that are not present after "
67 "a Fabric scan. This is needed for several broken switches. "
68 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
69
70 int ql2xloginretrycount = 0;
71 module_param(ql2xloginretrycount, int, S_IRUGO);
72 MODULE_PARM_DESC(ql2xloginretrycount,
73 "Specify an alternate value for the NVRAM login retry count.");
74
75 int ql2xallocfwdump = 1;
76 module_param(ql2xallocfwdump, int, S_IRUGO);
77 MODULE_PARM_DESC(ql2xallocfwdump,
78 "Option to enable allocation of memory for a firmware dump "
79 "during HBA initialization. Memory allocation requirements "
80 "vary by ISP type. Default is 1 - allocate memory.");
81
82 int ql2xextended_error_logging;
83 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
84 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
85 MODULE_PARM_DESC(ql2xextended_error_logging,
86 "Option to enable extended error logging,\n"
87 "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n"
88 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
89 "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n"
90 "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n"
91 "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n"
92 "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n"
93 "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n"
94 "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n"
95 "\t\t0x00008000 - Verbose. 0x00004000 - Target.\n"
96 "\t\t0x00002000 - Target Mgmt. 0x00001000 - Target TMF.\n"
97 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
98 "\t\t0x1e400000 - Preferred value for capturing essential "
99 "debug information (equivalent to old "
100 "ql2xextended_error_logging=1).\n"
101 "\t\tDo LOGICAL OR of the value to enable more than one level");
102
103 int ql2xshiftctondsd = 6;
104 module_param(ql2xshiftctondsd, int, S_IRUGO);
105 MODULE_PARM_DESC(ql2xshiftctondsd,
106 "Set to control shifting of command type processing "
107 "based on total number of SG elements.");
108
109 int ql2xfdmienable=1;
110 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
111 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
112 MODULE_PARM_DESC(ql2xfdmienable,
113 "Enables FDMI registrations. "
114 "0 - no FDMI. Default is 1 - perform FDMI.");
115
116 #define MAX_Q_DEPTH 64
117 static int ql2xmaxqdepth = MAX_Q_DEPTH;
118 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
119 MODULE_PARM_DESC(ql2xmaxqdepth,
120 "Maximum queue depth to set for each LUN. "
121 "Default is 64.");
122
123 #if (IS_ENABLED(CONFIG_NVME_FC))
124 int ql2xenabledif;
125 #else
126 int ql2xenabledif = 2;
127 #endif
128 module_param(ql2xenabledif, int, S_IRUGO);
129 MODULE_PARM_DESC(ql2xenabledif,
130 " Enable T10-CRC-DIF:\n"
131 " Default is 2.\n"
132 " 0 -- No DIF Support\n"
133 " 1 -- Enable DIF for all types\n"
134 " 2 -- Enable DIF for all types, except Type 0.\n");
135
136 #if (IS_ENABLED(CONFIG_NVME_FC))
137 int ql2xnvmeenable = 1;
138 #else
139 int ql2xnvmeenable;
140 #endif
141 module_param(ql2xnvmeenable, int, 0644);
142 MODULE_PARM_DESC(ql2xnvmeenable,
143 "Enables NVME support. "
144 "0 - no NVMe. Default is Y");
145
146 int ql2xenablehba_err_chk = 2;
147 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
148 MODULE_PARM_DESC(ql2xenablehba_err_chk,
149 " Enable T10-CRC-DIF Error isolation by HBA:\n"
150 " Default is 2.\n"
151 " 0 -- Error isolation disabled\n"
152 " 1 -- Error isolation enabled only for DIX Type 0\n"
153 " 2 -- Error isolation enabled for all Types\n");
154
155 int ql2xiidmaenable=1;
156 module_param(ql2xiidmaenable, int, S_IRUGO);
157 MODULE_PARM_DESC(ql2xiidmaenable,
158 "Enables iIDMA settings "
159 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
160
161 int ql2xmqsupport = 1;
162 module_param(ql2xmqsupport, int, S_IRUGO);
163 MODULE_PARM_DESC(ql2xmqsupport,
164 "Enable on demand multiple queue pairs support "
165 "Default is 1 for supported. "
166 "Set it to 0 to turn off mq qpair support.");
167
168 int ql2xfwloadbin;
169 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
170 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
171 MODULE_PARM_DESC(ql2xfwloadbin,
172 "Option to specify location from which to load ISP firmware:.\n"
173 " 2 -- load firmware via the request_firmware() (hotplug).\n"
174 " interface.\n"
175 " 1 -- load firmware from flash.\n"
176 " 0 -- use default semantics.\n");
177
178 int ql2xetsenable;
179 module_param(ql2xetsenable, int, S_IRUGO);
180 MODULE_PARM_DESC(ql2xetsenable,
181 "Enables firmware ETS burst."
182 "Default is 0 - skip ETS enablement.");
183
184 int ql2xdbwr = 1;
185 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
186 MODULE_PARM_DESC(ql2xdbwr,
187 "Option to specify scheme for request queue posting.\n"
188 " 0 -- Regular doorbell.\n"
189 " 1 -- CAMRAM doorbell (faster).\n");
190
191 int ql2xtargetreset = 1;
192 module_param(ql2xtargetreset, int, S_IRUGO);
193 MODULE_PARM_DESC(ql2xtargetreset,
194 "Enable target reset."
195 "Default is 1 - use hw defaults.");
196
197 int ql2xgffidenable;
198 module_param(ql2xgffidenable, int, S_IRUGO);
199 MODULE_PARM_DESC(ql2xgffidenable,
200 "Enables GFF_ID checks of port type. "
201 "Default is 0 - Do not use GFF_ID information.");
202
203 int ql2xasynctmfenable = 1;
204 module_param(ql2xasynctmfenable, int, S_IRUGO);
205 MODULE_PARM_DESC(ql2xasynctmfenable,
206 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
207 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
208
209 int ql2xdontresethba;
210 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
211 MODULE_PARM_DESC(ql2xdontresethba,
212 "Option to specify reset behaviour.\n"
213 " 0 (Default) -- Reset on failure.\n"
214 " 1 -- Do not reset on failure.\n");
215
216 uint64_t ql2xmaxlun = MAX_LUNS;
217 module_param(ql2xmaxlun, ullong, S_IRUGO);
218 MODULE_PARM_DESC(ql2xmaxlun,
219 "Defines the maximum LU number to register with the SCSI "
220 "midlayer. Default is 65535.");
221
222 int ql2xmdcapmask = 0x1F;
223 module_param(ql2xmdcapmask, int, S_IRUGO);
224 MODULE_PARM_DESC(ql2xmdcapmask,
225 "Set the Minidump driver capture mask level. "
226 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
227
228 int ql2xmdenable = 1;
229 module_param(ql2xmdenable, int, S_IRUGO);
230 MODULE_PARM_DESC(ql2xmdenable,
231 "Enable/disable MiniDump. "
232 "0 - MiniDump disabled. "
233 "1 (Default) - MiniDump enabled.");
234
235 int ql2xexlogins = 0;
236 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
237 MODULE_PARM_DESC(ql2xexlogins,
238 "Number of extended Logins. "
239 "0 (Default)- Disabled.");
240
241 int ql2xexchoffld = 1024;
242 module_param(ql2xexchoffld, uint, 0644);
243 MODULE_PARM_DESC(ql2xexchoffld,
244 "Number of target exchanges.");
245
246 int ql2xiniexchg = 1024;
247 module_param(ql2xiniexchg, uint, 0644);
248 MODULE_PARM_DESC(ql2xiniexchg,
249 "Number of initiator exchanges.");
250
251 int ql2xfwholdabts = 0;
252 module_param(ql2xfwholdabts, int, S_IRUGO);
253 MODULE_PARM_DESC(ql2xfwholdabts,
254 "Allow FW to hold status IOCB until ABTS rsp received. "
255 "0 (Default) Do not set fw option. "
256 "1 - Set fw option to hold ABTS.");
257
258 int ql2xmvasynctoatio = 1;
259 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
260 MODULE_PARM_DESC(ql2xmvasynctoatio,
261 "Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
262 "0 (Default). Do not move IOCBs"
263 "1 - Move IOCBs.");
264
265 int ql2xautodetectsfp = 1;
266 module_param(ql2xautodetectsfp, int, 0444);
267 MODULE_PARM_DESC(ql2xautodetectsfp,
268 "Detect SFP range and set appropriate distance.\n"
269 "1 (Default): Enable\n");
270
271 int ql2xenablemsix = 1;
272 module_param(ql2xenablemsix, int, 0444);
273 MODULE_PARM_DESC(ql2xenablemsix,
274 "Set to enable MSI or MSI-X interrupt mechanism.\n"
275 " Default is 1, enable MSI-X interrupt mechanism.\n"
276 " 0 -- enable traditional pin-based mechanism.\n"
277 " 1 -- enable MSI-X interrupt mechanism.\n"
278 " 2 -- enable MSI interrupt mechanism.\n");
279
280 int qla2xuseresexchforels;
281 module_param(qla2xuseresexchforels, int, 0444);
282 MODULE_PARM_DESC(qla2xuseresexchforels,
283 "Reserve 1/2 of emergency exchanges for ELS.\n"
284 " 0 (default): disabled");
285
286 /*
287 * SCSI host template entry points
288 */
289 static int qla2xxx_slave_configure(struct scsi_device * device);
290 static int qla2xxx_slave_alloc(struct scsi_device *);
291 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
292 static void qla2xxx_scan_start(struct Scsi_Host *);
293 static void qla2xxx_slave_destroy(struct scsi_device *);
294 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
295 static int qla2xxx_eh_abort(struct scsi_cmnd *);
296 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
297 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
298 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
299 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
300
301 static void qla2x00_clear_drv_active(struct qla_hw_data *);
302 static void qla2x00_free_device(scsi_qla_host_t *);
303 static int qla2xxx_map_queues(struct Scsi_Host *shost);
304 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
305
306
307 struct scsi_host_template qla2xxx_driver_template = {
308 .module = THIS_MODULE,
309 .name = QLA2XXX_DRIVER_NAME,
310 .queuecommand = qla2xxx_queuecommand,
311
312 .eh_timed_out = fc_eh_timed_out,
313 .eh_abort_handler = qla2xxx_eh_abort,
314 .eh_device_reset_handler = qla2xxx_eh_device_reset,
315 .eh_target_reset_handler = qla2xxx_eh_target_reset,
316 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
317 .eh_host_reset_handler = qla2xxx_eh_host_reset,
318
319 .slave_configure = qla2xxx_slave_configure,
320
321 .slave_alloc = qla2xxx_slave_alloc,
322 .slave_destroy = qla2xxx_slave_destroy,
323 .scan_finished = qla2xxx_scan_finished,
324 .scan_start = qla2xxx_scan_start,
325 .change_queue_depth = scsi_change_queue_depth,
326 .map_queues = qla2xxx_map_queues,
327 .this_id = -1,
328 .cmd_per_lun = 3,
329 .use_clustering = ENABLE_CLUSTERING,
330 .sg_tablesize = SG_ALL,
331
332 .max_sectors = 0xFFFF,
333 .shost_attrs = qla2x00_host_attrs,
334
335 .supported_mode = MODE_INITIATOR,
336 .track_queue_depth = 1,
337 };
338
339 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
340 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
341
342 /* TODO Convert to inlines
343 *
344 * Timer routines
345 */
346
347 __inline__ void
qla2x00_start_timer(scsi_qla_host_t * vha,unsigned long interval)348 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
349 {
350 timer_setup(&vha->timer, qla2x00_timer, 0);
351 vha->timer.expires = jiffies + interval * HZ;
352 add_timer(&vha->timer);
353 vha->timer_active = 1;
354 }
355
356 static inline void
qla2x00_restart_timer(scsi_qla_host_t * vha,unsigned long interval)357 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
358 {
359 /* Currently used for 82XX only. */
360 if (vha->device_flags & DFLG_DEV_FAILED) {
361 ql_dbg(ql_dbg_timer, vha, 0x600d,
362 "Device in a failed state, returning.\n");
363 return;
364 }
365
366 mod_timer(&vha->timer, jiffies + interval * HZ);
367 }
368
369 static __inline__ void
qla2x00_stop_timer(scsi_qla_host_t * vha)370 qla2x00_stop_timer(scsi_qla_host_t *vha)
371 {
372 del_timer_sync(&vha->timer);
373 vha->timer_active = 0;
374 }
375
376 static int qla2x00_do_dpc(void *data);
377
378 static void qla2x00_rst_aen(scsi_qla_host_t *);
379
380 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
381 struct req_que **, struct rsp_que **);
382 static void qla2x00_free_fw_dump(struct qla_hw_data *);
383 static void qla2x00_mem_free(struct qla_hw_data *);
384 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
385 struct qla_qpair *qpair);
386
387 /* -------------------------------------------------------------------------- */
qla_init_base_qpair(struct scsi_qla_host * vha,struct req_que * req,struct rsp_que * rsp)388 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
389 struct rsp_que *rsp)
390 {
391 struct qla_hw_data *ha = vha->hw;
392 rsp->qpair = ha->base_qpair;
393 rsp->req = req;
394 ha->base_qpair->req = req;
395 ha->base_qpair->rsp = rsp;
396 ha->base_qpair->vha = vha;
397 ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
398 ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
399 ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
400 INIT_LIST_HEAD(&ha->base_qpair->hints_list);
401 ha->base_qpair->enable_class_2 = ql2xenableclass2;
402 /* init qpair to this cpu. Will adjust at run time. */
403 qla_cpu_update(rsp->qpair, raw_smp_processor_id());
404 ha->base_qpair->pdev = ha->pdev;
405
406 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
407 ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
408 }
409
qla2x00_alloc_queues(struct qla_hw_data * ha,struct req_que * req,struct rsp_que * rsp)410 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
411 struct rsp_que *rsp)
412 {
413 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
414 ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
415 GFP_KERNEL);
416 if (!ha->req_q_map) {
417 ql_log(ql_log_fatal, vha, 0x003b,
418 "Unable to allocate memory for request queue ptrs.\n");
419 goto fail_req_map;
420 }
421
422 ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
423 GFP_KERNEL);
424 if (!ha->rsp_q_map) {
425 ql_log(ql_log_fatal, vha, 0x003c,
426 "Unable to allocate memory for response queue ptrs.\n");
427 goto fail_rsp_map;
428 }
429
430 ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
431 if (ha->base_qpair == NULL) {
432 ql_log(ql_log_warn, vha, 0x00e0,
433 "Failed to allocate base queue pair memory.\n");
434 goto fail_base_qpair;
435 }
436
437 qla_init_base_qpair(vha, req, rsp);
438
439 if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
440 ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
441 GFP_KERNEL);
442 if (!ha->queue_pair_map) {
443 ql_log(ql_log_fatal, vha, 0x0180,
444 "Unable to allocate memory for queue pair ptrs.\n");
445 goto fail_qpair_map;
446 }
447 }
448
449 /*
450 * Make sure we record at least the request and response queue zero in
451 * case we need to free them if part of the probe fails.
452 */
453 ha->rsp_q_map[0] = rsp;
454 ha->req_q_map[0] = req;
455 set_bit(0, ha->rsp_qid_map);
456 set_bit(0, ha->req_qid_map);
457 return 0;
458
459 fail_qpair_map:
460 kfree(ha->base_qpair);
461 ha->base_qpair = NULL;
462 fail_base_qpair:
463 kfree(ha->rsp_q_map);
464 ha->rsp_q_map = NULL;
465 fail_rsp_map:
466 kfree(ha->req_q_map);
467 ha->req_q_map = NULL;
468 fail_req_map:
469 return -ENOMEM;
470 }
471
qla2x00_free_req_que(struct qla_hw_data * ha,struct req_que * req)472 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
473 {
474 if (IS_QLAFX00(ha)) {
475 if (req && req->ring_fx00)
476 dma_free_coherent(&ha->pdev->dev,
477 (req->length_fx00 + 1) * sizeof(request_t),
478 req->ring_fx00, req->dma_fx00);
479 } else if (req && req->ring)
480 dma_free_coherent(&ha->pdev->dev,
481 (req->length + 1) * sizeof(request_t),
482 req->ring, req->dma);
483
484 if (req)
485 kfree(req->outstanding_cmds);
486
487 kfree(req);
488 }
489
qla2x00_free_rsp_que(struct qla_hw_data * ha,struct rsp_que * rsp)490 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
491 {
492 if (IS_QLAFX00(ha)) {
493 if (rsp && rsp->ring_fx00)
494 dma_free_coherent(&ha->pdev->dev,
495 (rsp->length_fx00 + 1) * sizeof(request_t),
496 rsp->ring_fx00, rsp->dma_fx00);
497 } else if (rsp && rsp->ring) {
498 dma_free_coherent(&ha->pdev->dev,
499 (rsp->length + 1) * sizeof(response_t),
500 rsp->ring, rsp->dma);
501 }
502 kfree(rsp);
503 }
504
qla2x00_free_queues(struct qla_hw_data * ha)505 static void qla2x00_free_queues(struct qla_hw_data *ha)
506 {
507 struct req_que *req;
508 struct rsp_que *rsp;
509 int cnt;
510 unsigned long flags;
511
512 if (ha->queue_pair_map) {
513 kfree(ha->queue_pair_map);
514 ha->queue_pair_map = NULL;
515 }
516 if (ha->base_qpair) {
517 kfree(ha->base_qpair);
518 ha->base_qpair = NULL;
519 }
520
521 spin_lock_irqsave(&ha->hardware_lock, flags);
522 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
523 if (!test_bit(cnt, ha->req_qid_map))
524 continue;
525
526 req = ha->req_q_map[cnt];
527 clear_bit(cnt, ha->req_qid_map);
528 ha->req_q_map[cnt] = NULL;
529
530 spin_unlock_irqrestore(&ha->hardware_lock, flags);
531 qla2x00_free_req_que(ha, req);
532 spin_lock_irqsave(&ha->hardware_lock, flags);
533 }
534 spin_unlock_irqrestore(&ha->hardware_lock, flags);
535
536 kfree(ha->req_q_map);
537 ha->req_q_map = NULL;
538
539
540 spin_lock_irqsave(&ha->hardware_lock, flags);
541 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
542 if (!test_bit(cnt, ha->rsp_qid_map))
543 continue;
544
545 rsp = ha->rsp_q_map[cnt];
546 clear_bit(cnt, ha->rsp_qid_map);
547 ha->rsp_q_map[cnt] = NULL;
548 spin_unlock_irqrestore(&ha->hardware_lock, flags);
549 qla2x00_free_rsp_que(ha, rsp);
550 spin_lock_irqsave(&ha->hardware_lock, flags);
551 }
552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
553
554 kfree(ha->rsp_q_map);
555 ha->rsp_q_map = NULL;
556 }
557
558 static char *
qla2x00_pci_info_str(struct scsi_qla_host * vha,char * str)559 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
560 {
561 struct qla_hw_data *ha = vha->hw;
562 static char *pci_bus_modes[] = {
563 "33", "66", "100", "133",
564 };
565 uint16_t pci_bus;
566
567 strcpy(str, "PCI");
568 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
569 if (pci_bus) {
570 strcat(str, "-X (");
571 strcat(str, pci_bus_modes[pci_bus]);
572 } else {
573 pci_bus = (ha->pci_attr & BIT_8) >> 8;
574 strcat(str, " (");
575 strcat(str, pci_bus_modes[pci_bus]);
576 }
577 strcat(str, " MHz)");
578
579 return (str);
580 }
581
582 static char *
qla24xx_pci_info_str(struct scsi_qla_host * vha,char * str)583 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
584 {
585 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
586 struct qla_hw_data *ha = vha->hw;
587 uint32_t pci_bus;
588
589 if (pci_is_pcie(ha->pdev)) {
590 char lwstr[6];
591 uint32_t lstat, lspeed, lwidth;
592
593 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
594 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
595 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
596
597 strcpy(str, "PCIe (");
598 switch (lspeed) {
599 case 1:
600 strcat(str, "2.5GT/s ");
601 break;
602 case 2:
603 strcat(str, "5.0GT/s ");
604 break;
605 case 3:
606 strcat(str, "8.0GT/s ");
607 break;
608 default:
609 strcat(str, "<unknown> ");
610 break;
611 }
612 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
613 strcat(str, lwstr);
614
615 return str;
616 }
617
618 strcpy(str, "PCI");
619 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
620 if (pci_bus == 0 || pci_bus == 8) {
621 strcat(str, " (");
622 strcat(str, pci_bus_modes[pci_bus >> 3]);
623 } else {
624 strcat(str, "-X ");
625 if (pci_bus & BIT_2)
626 strcat(str, "Mode 2");
627 else
628 strcat(str, "Mode 1");
629 strcat(str, " (");
630 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
631 }
632 strcat(str, " MHz)");
633
634 return str;
635 }
636
637 static char *
qla2x00_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)638 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
639 {
640 char un_str[10];
641 struct qla_hw_data *ha = vha->hw;
642
643 snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
644 ha->fw_minor_version, ha->fw_subminor_version);
645
646 if (ha->fw_attributes & BIT_9) {
647 strcat(str, "FLX");
648 return (str);
649 }
650
651 switch (ha->fw_attributes & 0xFF) {
652 case 0x7:
653 strcat(str, "EF");
654 break;
655 case 0x17:
656 strcat(str, "TP");
657 break;
658 case 0x37:
659 strcat(str, "IP");
660 break;
661 case 0x77:
662 strcat(str, "VI");
663 break;
664 default:
665 sprintf(un_str, "(%x)", ha->fw_attributes);
666 strcat(str, un_str);
667 break;
668 }
669 if (ha->fw_attributes & 0x100)
670 strcat(str, "X");
671
672 return (str);
673 }
674
675 static char *
qla24xx_fw_version_str(struct scsi_qla_host * vha,char * str,size_t size)676 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
677 {
678 struct qla_hw_data *ha = vha->hw;
679
680 snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
681 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
682 return str;
683 }
684
685 void
qla2x00_sp_free_dma(void * ptr)686 qla2x00_sp_free_dma(void *ptr)
687 {
688 srb_t *sp = ptr;
689 struct qla_hw_data *ha = sp->vha->hw;
690 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
691 void *ctx = GET_CMD_CTX_SP(sp);
692
693 if (sp->flags & SRB_DMA_VALID) {
694 scsi_dma_unmap(cmd);
695 sp->flags &= ~SRB_DMA_VALID;
696 }
697
698 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
699 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
700 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
701 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
702 }
703
704 if (!ctx)
705 goto end;
706
707 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
708 /* List assured to be having elements */
709 qla2x00_clean_dsd_pool(ha, ctx);
710 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
711 }
712
713 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
714 struct crc_context *ctx0 = ctx;
715
716 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
717 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
718 }
719
720 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
721 struct ct6_dsd *ctx1 = ctx;
722
723 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
724 ctx1->fcp_cmnd_dma);
725 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
726 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
727 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
728 mempool_free(ctx1, ha->ctx_mempool);
729 }
730
731 end:
732 if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
733 CMD_SP(cmd) = NULL;
734 qla2x00_rel_sp(sp);
735 }
736 }
737
738 void
qla2x00_sp_compl(void * ptr,int res)739 qla2x00_sp_compl(void *ptr, int res)
740 {
741 srb_t *sp = ptr;
742 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
743
744 cmd->result = res;
745
746 if (atomic_read(&sp->ref_count) == 0) {
747 ql_dbg(ql_dbg_io, sp->vha, 0x3015,
748 "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
749 sp, GET_CMD_SP(sp));
750 if (ql2xextended_error_logging & ql_dbg_io)
751 WARN_ON(atomic_read(&sp->ref_count) == 0);
752 return;
753 }
754 if (!atomic_dec_and_test(&sp->ref_count))
755 return;
756
757 sp->free(sp);
758 cmd->scsi_done(cmd);
759 }
760
761 void
qla2xxx_qpair_sp_free_dma(void * ptr)762 qla2xxx_qpair_sp_free_dma(void *ptr)
763 {
764 srb_t *sp = (srb_t *)ptr;
765 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
766 struct qla_hw_data *ha = sp->fcport->vha->hw;
767 void *ctx = GET_CMD_CTX_SP(sp);
768
769 if (sp->flags & SRB_DMA_VALID) {
770 scsi_dma_unmap(cmd);
771 sp->flags &= ~SRB_DMA_VALID;
772 }
773
774 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
775 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
776 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
777 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
778 }
779
780 if (!ctx)
781 goto end;
782
783 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
784 /* List assured to be having elements */
785 qla2x00_clean_dsd_pool(ha, ctx);
786 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
787 }
788
789 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
790 struct crc_context *ctx0 = ctx;
791
792 dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
793 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
794 }
795
796 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
797 struct ct6_dsd *ctx1 = ctx;
798 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
799 ctx1->fcp_cmnd_dma);
800 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
801 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
802 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
803 mempool_free(ctx1, ha->ctx_mempool);
804 }
805 end:
806 CMD_SP(cmd) = NULL;
807 qla2xxx_rel_qpair_sp(sp->qpair, sp);
808 }
809
810 void
qla2xxx_qpair_sp_compl(void * ptr,int res)811 qla2xxx_qpair_sp_compl(void *ptr, int res)
812 {
813 srb_t *sp = ptr;
814 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
815
816 cmd->result = res;
817
818 if (atomic_read(&sp->ref_count) == 0) {
819 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
820 "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
821 sp, GET_CMD_SP(sp));
822 if (ql2xextended_error_logging & ql_dbg_io)
823 WARN_ON(atomic_read(&sp->ref_count) == 0);
824 return;
825 }
826 if (!atomic_dec_and_test(&sp->ref_count))
827 return;
828
829 sp->free(sp);
830 cmd->scsi_done(cmd);
831 }
832
833 /* If we are SP1 here, we need to still take and release the host_lock as SP1
834 * does not have the changes necessary to avoid taking host->host_lock.
835 */
836 static int
qla2xxx_queuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd)837 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
838 {
839 scsi_qla_host_t *vha = shost_priv(host);
840 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
841 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
842 struct qla_hw_data *ha = vha->hw;
843 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
844 srb_t *sp;
845 int rval;
846 struct qla_qpair *qpair = NULL;
847 uint32_t tag;
848 uint16_t hwq;
849
850 if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
851 cmd->result = DID_NO_CONNECT << 16;
852 goto qc24_fail_command;
853 }
854
855 if (ha->mqenable) {
856 if (shost_use_blk_mq(vha->host)) {
857 tag = blk_mq_unique_tag(cmd->request);
858 hwq = blk_mq_unique_tag_to_hwq(tag);
859 qpair = ha->queue_pair_map[hwq];
860 } else if (vha->vp_idx && vha->qpair) {
861 qpair = vha->qpair;
862 }
863
864 if (qpair)
865 return qla2xxx_mqueuecommand(host, cmd, qpair);
866 }
867
868 if (ha->flags.eeh_busy) {
869 if (ha->flags.pci_channel_io_perm_failure) {
870 ql_dbg(ql_dbg_aer, vha, 0x9010,
871 "PCI Channel IO permanent failure, exiting "
872 "cmd=%p.\n", cmd);
873 cmd->result = DID_NO_CONNECT << 16;
874 } else {
875 ql_dbg(ql_dbg_aer, vha, 0x9011,
876 "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
877 cmd->result = DID_REQUEUE << 16;
878 }
879 goto qc24_fail_command;
880 }
881
882 rval = fc_remote_port_chkready(rport);
883 if (rval) {
884 cmd->result = rval;
885 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
886 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
887 cmd, rval);
888 goto qc24_fail_command;
889 }
890
891 if (!vha->flags.difdix_supported &&
892 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
893 ql_dbg(ql_dbg_io, vha, 0x3004,
894 "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
895 cmd);
896 cmd->result = DID_NO_CONNECT << 16;
897 goto qc24_fail_command;
898 }
899
900 if (!fcport) {
901 cmd->result = DID_NO_CONNECT << 16;
902 goto qc24_fail_command;
903 }
904
905 if (atomic_read(&fcport->state) != FCS_ONLINE) {
906 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
907 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
908 ql_dbg(ql_dbg_io, vha, 0x3005,
909 "Returning DNC, fcport_state=%d loop_state=%d.\n",
910 atomic_read(&fcport->state),
911 atomic_read(&base_vha->loop_state));
912 cmd->result = DID_NO_CONNECT << 16;
913 goto qc24_fail_command;
914 }
915 goto qc24_target_busy;
916 }
917
918 /*
919 * Return target busy if we've received a non-zero retry_delay_timer
920 * in a FCP_RSP.
921 */
922 if (fcport->retry_delay_timestamp == 0) {
923 /* retry delay not set */
924 } else if (time_after(jiffies, fcport->retry_delay_timestamp))
925 fcport->retry_delay_timestamp = 0;
926 else
927 goto qc24_target_busy;
928
929 sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
930 if (!sp)
931 goto qc24_host_busy;
932
933 sp->u.scmd.cmd = cmd;
934 sp->type = SRB_SCSI_CMD;
935 atomic_set(&sp->ref_count, 1);
936 CMD_SP(cmd) = (void *)sp;
937 sp->free = qla2x00_sp_free_dma;
938 sp->done = qla2x00_sp_compl;
939
940 rval = ha->isp_ops->start_scsi(sp);
941 if (rval != QLA_SUCCESS) {
942 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
943 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
944 goto qc24_host_busy_free_sp;
945 }
946
947 return 0;
948
949 qc24_host_busy_free_sp:
950 sp->free(sp);
951
952 qc24_host_busy:
953 return SCSI_MLQUEUE_HOST_BUSY;
954
955 qc24_target_busy:
956 return SCSI_MLQUEUE_TARGET_BUSY;
957
958 qc24_fail_command:
959 cmd->scsi_done(cmd);
960
961 return 0;
962 }
963
964 /* For MQ supported I/O */
965 int
qla2xxx_mqueuecommand(struct Scsi_Host * host,struct scsi_cmnd * cmd,struct qla_qpair * qpair)966 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
967 struct qla_qpair *qpair)
968 {
969 scsi_qla_host_t *vha = shost_priv(host);
970 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
971 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
972 struct qla_hw_data *ha = vha->hw;
973 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
974 srb_t *sp;
975 int rval;
976
977 rval = fc_remote_port_chkready(rport);
978 if (rval) {
979 cmd->result = rval;
980 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
981 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
982 cmd, rval);
983 goto qc24_fail_command;
984 }
985
986 if (!fcport) {
987 cmd->result = DID_NO_CONNECT << 16;
988 goto qc24_fail_command;
989 }
990
991 if (atomic_read(&fcport->state) != FCS_ONLINE) {
992 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
993 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
994 ql_dbg(ql_dbg_io, vha, 0x3077,
995 "Returning DNC, fcport_state=%d loop_state=%d.\n",
996 atomic_read(&fcport->state),
997 atomic_read(&base_vha->loop_state));
998 cmd->result = DID_NO_CONNECT << 16;
999 goto qc24_fail_command;
1000 }
1001 goto qc24_target_busy;
1002 }
1003
1004 /*
1005 * Return target busy if we've received a non-zero retry_delay_timer
1006 * in a FCP_RSP.
1007 */
1008 if (fcport->retry_delay_timestamp == 0) {
1009 /* retry delay not set */
1010 } else if (time_after(jiffies, fcport->retry_delay_timestamp))
1011 fcport->retry_delay_timestamp = 0;
1012 else
1013 goto qc24_target_busy;
1014
1015 sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
1016 if (!sp)
1017 goto qc24_host_busy;
1018
1019 sp->u.scmd.cmd = cmd;
1020 sp->type = SRB_SCSI_CMD;
1021 atomic_set(&sp->ref_count, 1);
1022 CMD_SP(cmd) = (void *)sp;
1023 sp->free = qla2xxx_qpair_sp_free_dma;
1024 sp->done = qla2xxx_qpair_sp_compl;
1025 sp->qpair = qpair;
1026
1027 rval = ha->isp_ops->start_scsi_mq(sp);
1028 if (rval != QLA_SUCCESS) {
1029 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1030 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1031 if (rval == QLA_INTERFACE_ERROR)
1032 goto qc24_fail_command;
1033 goto qc24_host_busy_free_sp;
1034 }
1035
1036 return 0;
1037
1038 qc24_host_busy_free_sp:
1039 sp->free(sp);
1040
1041 qc24_host_busy:
1042 return SCSI_MLQUEUE_HOST_BUSY;
1043
1044 qc24_target_busy:
1045 return SCSI_MLQUEUE_TARGET_BUSY;
1046
1047 qc24_fail_command:
1048 cmd->scsi_done(cmd);
1049
1050 return 0;
1051 }
1052
1053 /*
1054 * qla2x00_eh_wait_on_command
1055 * Waits for the command to be returned by the Firmware for some
1056 * max time.
1057 *
1058 * Input:
1059 * cmd = Scsi Command to wait on.
1060 *
1061 * Return:
1062 * Not Found : 0
1063 * Found : 1
1064 */
1065 static int
qla2x00_eh_wait_on_command(struct scsi_cmnd * cmd)1066 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1067 {
1068 #define ABORT_POLLING_PERIOD 1000
1069 #define ABORT_WAIT_ITER ((2 * 1000) / (ABORT_POLLING_PERIOD))
1070 unsigned long wait_iter = ABORT_WAIT_ITER;
1071 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1072 struct qla_hw_data *ha = vha->hw;
1073 int ret = QLA_SUCCESS;
1074
1075 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1076 ql_dbg(ql_dbg_taskm, vha, 0x8005,
1077 "Return:eh_wait.\n");
1078 return ret;
1079 }
1080
1081 while (CMD_SP(cmd) && wait_iter--) {
1082 msleep(ABORT_POLLING_PERIOD);
1083 }
1084 if (CMD_SP(cmd))
1085 ret = QLA_FUNCTION_FAILED;
1086
1087 return ret;
1088 }
1089
1090 /*
1091 * qla2x00_wait_for_hba_online
1092 * Wait till the HBA is online after going through
1093 * <= MAX_RETRIES_OF_ISP_ABORT or
1094 * finally HBA is disabled ie marked offline
1095 *
1096 * Input:
1097 * ha - pointer to host adapter structure
1098 *
1099 * Note:
1100 * Does context switching-Release SPIN_LOCK
1101 * (if any) before calling this routine.
1102 *
1103 * Return:
1104 * Success (Adapter is online) : 0
1105 * Failed (Adapter is offline/disabled) : 1
1106 */
1107 int
qla2x00_wait_for_hba_online(scsi_qla_host_t * vha)1108 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1109 {
1110 int return_status;
1111 unsigned long wait_online;
1112 struct qla_hw_data *ha = vha->hw;
1113 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1114
1115 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1116 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1117 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1118 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1119 ha->dpc_active) && time_before(jiffies, wait_online)) {
1120
1121 msleep(1000);
1122 }
1123 if (base_vha->flags.online)
1124 return_status = QLA_SUCCESS;
1125 else
1126 return_status = QLA_FUNCTION_FAILED;
1127
1128 return (return_status);
1129 }
1130
test_fcport_count(scsi_qla_host_t * vha)1131 static inline int test_fcport_count(scsi_qla_host_t *vha)
1132 {
1133 struct qla_hw_data *ha = vha->hw;
1134 unsigned long flags;
1135 int res;
1136
1137 spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1138 ql_dbg(ql_dbg_init, vha, 0x00ec,
1139 "tgt %p, fcport_count=%d\n",
1140 vha, vha->fcport_count);
1141 res = (vha->fcport_count == 0);
1142 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1143
1144 return res;
1145 }
1146
1147 /*
1148 * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1149 * it has dependency on UNLOADING flag to stop device discovery
1150 */
1151 void
qla2x00_wait_for_sess_deletion(scsi_qla_host_t * vha)1152 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1153 {
1154 qla2x00_mark_all_devices_lost(vha, 0);
1155
1156 wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1157 }
1158
1159 /*
1160 * qla2x00_wait_for_hba_ready
1161 * Wait till the HBA is ready before doing driver unload
1162 *
1163 * Input:
1164 * ha - pointer to host adapter structure
1165 *
1166 * Note:
1167 * Does context switching-Release SPIN_LOCK
1168 * (if any) before calling this routine.
1169 *
1170 */
1171 static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t * vha)1172 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1173 {
1174 struct qla_hw_data *ha = vha->hw;
1175 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1176
1177 while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1178 ha->flags.mbox_busy) ||
1179 test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1180 test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1181 if (test_bit(UNLOADING, &base_vha->dpc_flags))
1182 break;
1183 msleep(1000);
1184 }
1185 }
1186
1187 int
qla2x00_wait_for_chip_reset(scsi_qla_host_t * vha)1188 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1189 {
1190 int return_status;
1191 unsigned long wait_reset;
1192 struct qla_hw_data *ha = vha->hw;
1193 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1194
1195 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1196 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1197 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1198 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1199 ha->dpc_active) && time_before(jiffies, wait_reset)) {
1200
1201 msleep(1000);
1202
1203 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1204 ha->flags.chip_reset_done)
1205 break;
1206 }
1207 if (ha->flags.chip_reset_done)
1208 return_status = QLA_SUCCESS;
1209 else
1210 return_status = QLA_FUNCTION_FAILED;
1211
1212 return return_status;
1213 }
1214
1215 static void
sp_get(struct srb * sp)1216 sp_get(struct srb *sp)
1217 {
1218 atomic_inc(&sp->ref_count);
1219 }
1220
1221 #define ISP_REG_DISCONNECT 0xffffffffU
1222 /**************************************************************************
1223 * qla2x00_isp_reg_stat
1224 *
1225 * Description:
1226 * Read the host status register of ISP before aborting the command.
1227 *
1228 * Input:
1229 * ha = pointer to host adapter structure.
1230 *
1231 *
1232 * Returns:
1233 * Either true or false.
1234 *
1235 * Note: Return true if there is register disconnect.
1236 **************************************************************************/
1237 static inline
qla2x00_isp_reg_stat(struct qla_hw_data * ha)1238 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1239 {
1240 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1241 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1242
1243 if (IS_P3P_TYPE(ha))
1244 return ((RD_REG_DWORD(®82->host_int)) == ISP_REG_DISCONNECT);
1245 else
1246 return ((RD_REG_DWORD(®->host_status)) ==
1247 ISP_REG_DISCONNECT);
1248 }
1249
1250 /**************************************************************************
1251 * qla2xxx_eh_abort
1252 *
1253 * Description:
1254 * The abort function will abort the specified command.
1255 *
1256 * Input:
1257 * cmd = Linux SCSI command packet to be aborted.
1258 *
1259 * Returns:
1260 * Either SUCCESS or FAILED.
1261 *
1262 * Note:
1263 * Only return FAILED if command not returned by firmware.
1264 **************************************************************************/
1265 static int
qla2xxx_eh_abort(struct scsi_cmnd * cmd)1266 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1267 {
1268 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1269 srb_t *sp;
1270 int ret;
1271 unsigned int id;
1272 uint64_t lun;
1273 unsigned long flags;
1274 int rval, wait = 0;
1275 struct qla_hw_data *ha = vha->hw;
1276
1277 if (qla2x00_isp_reg_stat(ha)) {
1278 ql_log(ql_log_info, vha, 0x8042,
1279 "PCI/Register disconnect, exiting.\n");
1280 return FAILED;
1281 }
1282 if (!CMD_SP(cmd))
1283 return SUCCESS;
1284
1285 ret = fc_block_scsi_eh(cmd);
1286 if (ret != 0)
1287 return ret;
1288 ret = SUCCESS;
1289
1290 id = cmd->device->id;
1291 lun = cmd->device->lun;
1292
1293 spin_lock_irqsave(&ha->hardware_lock, flags);
1294 sp = (srb_t *) CMD_SP(cmd);
1295 if (!sp) {
1296 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1297 return SUCCESS;
1298 }
1299
1300 ql_dbg(ql_dbg_taskm, vha, 0x8002,
1301 "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1302 vha->host_no, id, lun, sp, cmd, sp->handle);
1303
1304 /* Get a reference to the sp and drop the lock.*/
1305 sp_get(sp);
1306
1307 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308 rval = ha->isp_ops->abort_command(sp);
1309 if (rval) {
1310 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1311 ret = SUCCESS;
1312 else
1313 ret = FAILED;
1314
1315 ql_dbg(ql_dbg_taskm, vha, 0x8003,
1316 "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1317 } else {
1318 ql_dbg(ql_dbg_taskm, vha, 0x8004,
1319 "Abort command mbx success cmd=%p.\n", cmd);
1320 wait = 1;
1321 }
1322
1323 spin_lock_irqsave(&ha->hardware_lock, flags);
1324 sp->done(sp, 0);
1325 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1326
1327 /* Did the command return during mailbox execution? */
1328 if (ret == FAILED && !CMD_SP(cmd))
1329 ret = SUCCESS;
1330
1331 /* Wait for the command to be returned. */
1332 if (wait) {
1333 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1334 ql_log(ql_log_warn, vha, 0x8006,
1335 "Abort handler timed out cmd=%p.\n", cmd);
1336 ret = FAILED;
1337 }
1338 }
1339
1340 ql_log(ql_log_info, vha, 0x801c,
1341 "Abort command issued nexus=%ld:%d:%llu -- %d %x.\n",
1342 vha->host_no, id, lun, wait, ret);
1343
1344 return ret;
1345 }
1346
1347 int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t * vha,unsigned int t,uint64_t l,enum nexus_wait_type type)1348 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1349 uint64_t l, enum nexus_wait_type type)
1350 {
1351 int cnt, match, status;
1352 unsigned long flags;
1353 struct qla_hw_data *ha = vha->hw;
1354 struct req_que *req;
1355 srb_t *sp;
1356 struct scsi_cmnd *cmd;
1357
1358 status = QLA_SUCCESS;
1359
1360 spin_lock_irqsave(&ha->hardware_lock, flags);
1361 req = vha->req;
1362 for (cnt = 1; status == QLA_SUCCESS &&
1363 cnt < req->num_outstanding_cmds; cnt++) {
1364 sp = req->outstanding_cmds[cnt];
1365 if (!sp)
1366 continue;
1367 if (sp->type != SRB_SCSI_CMD)
1368 continue;
1369 if (vha->vp_idx != sp->vha->vp_idx)
1370 continue;
1371 match = 0;
1372 cmd = GET_CMD_SP(sp);
1373 switch (type) {
1374 case WAIT_HOST:
1375 match = 1;
1376 break;
1377 case WAIT_TARGET:
1378 match = cmd->device->id == t;
1379 break;
1380 case WAIT_LUN:
1381 match = (cmd->device->id == t &&
1382 cmd->device->lun == l);
1383 break;
1384 }
1385 if (!match)
1386 continue;
1387
1388 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1389 status = qla2x00_eh_wait_on_command(cmd);
1390 spin_lock_irqsave(&ha->hardware_lock, flags);
1391 }
1392 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1393
1394 return status;
1395 }
1396
1397 static char *reset_errors[] = {
1398 "HBA not online",
1399 "HBA not ready",
1400 "Task management failed",
1401 "Waiting for command completions",
1402 };
1403
1404 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))1405 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1406 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1407 {
1408 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1409 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1410 int err;
1411
1412 if (!fcport) {
1413 return FAILED;
1414 }
1415
1416 err = fc_block_scsi_eh(cmd);
1417 if (err != 0)
1418 return err;
1419
1420 ql_log(ql_log_info, vha, 0x8009,
1421 "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1422 cmd->device->id, cmd->device->lun, cmd);
1423
1424 err = 0;
1425 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1426 ql_log(ql_log_warn, vha, 0x800a,
1427 "Wait for hba online failed for cmd=%p.\n", cmd);
1428 goto eh_reset_failed;
1429 }
1430 err = 2;
1431 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1432 != QLA_SUCCESS) {
1433 ql_log(ql_log_warn, vha, 0x800c,
1434 "do_reset failed for cmd=%p.\n", cmd);
1435 goto eh_reset_failed;
1436 }
1437 err = 3;
1438 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1439 cmd->device->lun, type) != QLA_SUCCESS) {
1440 ql_log(ql_log_warn, vha, 0x800d,
1441 "wait for pending cmds failed for cmd=%p.\n", cmd);
1442 goto eh_reset_failed;
1443 }
1444
1445 ql_log(ql_log_info, vha, 0x800e,
1446 "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1447 vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1448
1449 return SUCCESS;
1450
1451 eh_reset_failed:
1452 ql_log(ql_log_info, vha, 0x800f,
1453 "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1454 reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1455 cmd);
1456 return FAILED;
1457 }
1458
1459 static int
qla2xxx_eh_device_reset(struct scsi_cmnd * cmd)1460 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1461 {
1462 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1463 struct qla_hw_data *ha = vha->hw;
1464
1465 if (qla2x00_isp_reg_stat(ha)) {
1466 ql_log(ql_log_info, vha, 0x803e,
1467 "PCI/Register disconnect, exiting.\n");
1468 return FAILED;
1469 }
1470
1471 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1472 ha->isp_ops->lun_reset);
1473 }
1474
1475 static int
qla2xxx_eh_target_reset(struct scsi_cmnd * cmd)1476 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1477 {
1478 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1479 struct qla_hw_data *ha = vha->hw;
1480
1481 if (qla2x00_isp_reg_stat(ha)) {
1482 ql_log(ql_log_info, vha, 0x803f,
1483 "PCI/Register disconnect, exiting.\n");
1484 return FAILED;
1485 }
1486
1487 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1488 ha->isp_ops->target_reset);
1489 }
1490
1491 /**************************************************************************
1492 * qla2xxx_eh_bus_reset
1493 *
1494 * Description:
1495 * The bus reset function will reset the bus and abort any executing
1496 * commands.
1497 *
1498 * Input:
1499 * cmd = Linux SCSI command packet of the command that cause the
1500 * bus reset.
1501 *
1502 * Returns:
1503 * SUCCESS/FAILURE (defined as macro in scsi.h).
1504 *
1505 **************************************************************************/
1506 static int
qla2xxx_eh_bus_reset(struct scsi_cmnd * cmd)1507 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1508 {
1509 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1510 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1511 int ret = FAILED;
1512 unsigned int id;
1513 uint64_t lun;
1514 struct qla_hw_data *ha = vha->hw;
1515
1516 if (qla2x00_isp_reg_stat(ha)) {
1517 ql_log(ql_log_info, vha, 0x8040,
1518 "PCI/Register disconnect, exiting.\n");
1519 return FAILED;
1520 }
1521
1522 id = cmd->device->id;
1523 lun = cmd->device->lun;
1524
1525 if (!fcport) {
1526 return ret;
1527 }
1528
1529 ret = fc_block_scsi_eh(cmd);
1530 if (ret != 0)
1531 return ret;
1532 ret = FAILED;
1533
1534 ql_log(ql_log_info, vha, 0x8012,
1535 "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1536
1537 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1538 ql_log(ql_log_fatal, vha, 0x8013,
1539 "Wait for hba online failed board disabled.\n");
1540 goto eh_bus_reset_done;
1541 }
1542
1543 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1544 ret = SUCCESS;
1545
1546 if (ret == FAILED)
1547 goto eh_bus_reset_done;
1548
1549 /* Flush outstanding commands. */
1550 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1551 QLA_SUCCESS) {
1552 ql_log(ql_log_warn, vha, 0x8014,
1553 "Wait for pending commands failed.\n");
1554 ret = FAILED;
1555 }
1556
1557 eh_bus_reset_done:
1558 ql_log(ql_log_warn, vha, 0x802b,
1559 "BUS RESET %s nexus=%ld:%d:%llu.\n",
1560 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1561
1562 return ret;
1563 }
1564
1565 /**************************************************************************
1566 * qla2xxx_eh_host_reset
1567 *
1568 * Description:
1569 * The reset function will reset the Adapter.
1570 *
1571 * Input:
1572 * cmd = Linux SCSI command packet of the command that cause the
1573 * adapter reset.
1574 *
1575 * Returns:
1576 * Either SUCCESS or FAILED.
1577 *
1578 * Note:
1579 **************************************************************************/
1580 static int
qla2xxx_eh_host_reset(struct scsi_cmnd * cmd)1581 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1582 {
1583 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1584 struct qla_hw_data *ha = vha->hw;
1585 int ret = FAILED;
1586 unsigned int id;
1587 uint64_t lun;
1588 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1589
1590 if (qla2x00_isp_reg_stat(ha)) {
1591 ql_log(ql_log_info, vha, 0x8041,
1592 "PCI/Register disconnect, exiting.\n");
1593 schedule_work(&ha->board_disable);
1594 return SUCCESS;
1595 }
1596
1597 id = cmd->device->id;
1598 lun = cmd->device->lun;
1599
1600 ql_log(ql_log_info, vha, 0x8018,
1601 "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1602
1603 /*
1604 * No point in issuing another reset if one is active. Also do not
1605 * attempt a reset if we are updating flash.
1606 */
1607 if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1608 goto eh_host_reset_lock;
1609
1610 if (vha != base_vha) {
1611 if (qla2x00_vp_abort_isp(vha))
1612 goto eh_host_reset_lock;
1613 } else {
1614 if (IS_P3P_TYPE(vha->hw)) {
1615 if (!qla82xx_fcoe_ctx_reset(vha)) {
1616 /* Ctx reset success */
1617 ret = SUCCESS;
1618 goto eh_host_reset_lock;
1619 }
1620 /* fall thru if ctx reset failed */
1621 }
1622 if (ha->wq)
1623 flush_workqueue(ha->wq);
1624
1625 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626 if (ha->isp_ops->abort_isp(base_vha)) {
1627 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1628 /* failed. schedule dpc to try */
1629 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1630
1631 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1632 ql_log(ql_log_warn, vha, 0x802a,
1633 "wait for hba online failed.\n");
1634 goto eh_host_reset_lock;
1635 }
1636 }
1637 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1638 }
1639
1640 /* Waiting for command to be returned to OS.*/
1641 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1642 QLA_SUCCESS)
1643 ret = SUCCESS;
1644
1645 eh_host_reset_lock:
1646 ql_log(ql_log_info, vha, 0x8017,
1647 "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1648 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1649
1650 return ret;
1651 }
1652
1653 /*
1654 * qla2x00_loop_reset
1655 * Issue loop reset.
1656 *
1657 * Input:
1658 * ha = adapter block pointer.
1659 *
1660 * Returns:
1661 * 0 = success
1662 */
1663 int
qla2x00_loop_reset(scsi_qla_host_t * vha)1664 qla2x00_loop_reset(scsi_qla_host_t *vha)
1665 {
1666 int ret;
1667 struct fc_port *fcport;
1668 struct qla_hw_data *ha = vha->hw;
1669
1670 if (IS_QLAFX00(ha)) {
1671 return qlafx00_loop_reset(vha);
1672 }
1673
1674 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1675 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1676 if (fcport->port_type != FCT_TARGET)
1677 continue;
1678
1679 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1680 if (ret != QLA_SUCCESS) {
1681 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1682 "Bus Reset failed: Reset=%d "
1683 "d_id=%x.\n", ret, fcport->d_id.b24);
1684 }
1685 }
1686 }
1687
1688
1689 if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1690 atomic_set(&vha->loop_state, LOOP_DOWN);
1691 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1692 qla2x00_mark_all_devices_lost(vha, 0);
1693 ret = qla2x00_full_login_lip(vha);
1694 if (ret != QLA_SUCCESS) {
1695 ql_dbg(ql_dbg_taskm, vha, 0x802d,
1696 "full_login_lip=%d.\n", ret);
1697 }
1698 }
1699
1700 if (ha->flags.enable_lip_reset) {
1701 ret = qla2x00_lip_reset(vha);
1702 if (ret != QLA_SUCCESS)
1703 ql_dbg(ql_dbg_taskm, vha, 0x802e,
1704 "lip_reset failed (%d).\n", ret);
1705 }
1706
1707 /* Issue marker command only when we are going to start the I/O */
1708 vha->marker_needed = 1;
1709
1710 return QLA_SUCCESS;
1711 }
1712
1713 static void
__qla2x00_abort_all_cmds(struct qla_qpair * qp,int res)1714 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1715 {
1716 int cnt, status;
1717 unsigned long flags;
1718 srb_t *sp;
1719 scsi_qla_host_t *vha = qp->vha;
1720 struct qla_hw_data *ha = vha->hw;
1721 struct req_que *req;
1722 struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1723 struct qla_tgt_cmd *cmd;
1724 uint8_t trace = 0;
1725
1726 if (!ha->req_q_map)
1727 return;
1728 spin_lock_irqsave(qp->qp_lock_ptr, flags);
1729 req = qp->req;
1730 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1731 sp = req->outstanding_cmds[cnt];
1732 if (sp) {
1733 req->outstanding_cmds[cnt] = NULL;
1734 if (sp->cmd_type == TYPE_SRB) {
1735 if (sp->type == SRB_NVME_CMD ||
1736 sp->type == SRB_NVME_LS) {
1737 sp_get(sp);
1738 spin_unlock_irqrestore(qp->qp_lock_ptr,
1739 flags);
1740 qla_nvme_abort(ha, sp, res);
1741 spin_lock_irqsave(qp->qp_lock_ptr,
1742 flags);
1743 } else if (GET_CMD_SP(sp) &&
1744 !ha->flags.eeh_busy &&
1745 (!test_bit(ABORT_ISP_ACTIVE,
1746 &vha->dpc_flags)) &&
1747 (sp->type == SRB_SCSI_CMD)) {
1748 /*
1749 * Don't abort commands in
1750 * adapter during EEH
1751 * recovery as it's not
1752 * accessible/responding.
1753 *
1754 * Get a reference to the sp
1755 * and drop the lock. The
1756 * reference ensures this
1757 * sp->done() call and not the
1758 * call in qla2xxx_eh_abort()
1759 * ends the SCSI command (with
1760 * result 'res').
1761 */
1762 sp_get(sp);
1763 spin_unlock_irqrestore(qp->qp_lock_ptr,
1764 flags);
1765 status = qla2xxx_eh_abort(
1766 GET_CMD_SP(sp));
1767 spin_lock_irqsave(qp->qp_lock_ptr,
1768 flags);
1769 /*
1770 * Get rid of extra reference
1771 * if immediate exit from
1772 * ql2xxx_eh_abort
1773 */
1774 if (status == FAILED &&
1775 (qla2x00_isp_reg_stat(ha)))
1776 atomic_dec(
1777 &sp->ref_count);
1778 }
1779 sp->done(sp, res);
1780 } else {
1781 if (!vha->hw->tgt.tgt_ops || !tgt ||
1782 qla_ini_mode_enabled(vha)) {
1783 if (!trace)
1784 ql_dbg(ql_dbg_tgt_mgt,
1785 vha, 0xf003,
1786 "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1787 vha->dpc_flags);
1788 continue;
1789 }
1790 cmd = (struct qla_tgt_cmd *)sp;
1791 qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1792 }
1793 }
1794 }
1795 spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1796 }
1797
1798 void
qla2x00_abort_all_cmds(scsi_qla_host_t * vha,int res)1799 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1800 {
1801 int que;
1802 struct qla_hw_data *ha = vha->hw;
1803
1804 __qla2x00_abort_all_cmds(ha->base_qpair, res);
1805
1806 for (que = 0; que < ha->max_qpairs; que++) {
1807 if (!ha->queue_pair_map[que])
1808 continue;
1809
1810 __qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1811 }
1812 }
1813
1814 static int
qla2xxx_slave_alloc(struct scsi_device * sdev)1815 qla2xxx_slave_alloc(struct scsi_device *sdev)
1816 {
1817 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1818
1819 if (!rport || fc_remote_port_chkready(rport))
1820 return -ENXIO;
1821
1822 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1823
1824 return 0;
1825 }
1826
1827 static int
qla2xxx_slave_configure(struct scsi_device * sdev)1828 qla2xxx_slave_configure(struct scsi_device *sdev)
1829 {
1830 scsi_qla_host_t *vha = shost_priv(sdev->host);
1831 struct req_que *req = vha->req;
1832
1833 if (IS_T10_PI_CAPABLE(vha->hw))
1834 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1835
1836 scsi_change_queue_depth(sdev, req->max_q_depth);
1837 return 0;
1838 }
1839
1840 static void
qla2xxx_slave_destroy(struct scsi_device * sdev)1841 qla2xxx_slave_destroy(struct scsi_device *sdev)
1842 {
1843 sdev->hostdata = NULL;
1844 }
1845
1846 /**
1847 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1848 * @ha: HA context
1849 *
1850 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1851 * supported addressing method.
1852 */
1853 static void
qla2x00_config_dma_addressing(struct qla_hw_data * ha)1854 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1855 {
1856 /* Assume a 32bit DMA mask. */
1857 ha->flags.enable_64bit_addressing = 0;
1858
1859 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1860 /* Any upper-dword bits set? */
1861 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1862 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1863 /* Ok, a 64bit DMA mask is applicable. */
1864 ha->flags.enable_64bit_addressing = 1;
1865 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1866 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1867 return;
1868 }
1869 }
1870
1871 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1872 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1873 }
1874
1875 static void
qla2x00_enable_intrs(struct qla_hw_data * ha)1876 qla2x00_enable_intrs(struct qla_hw_data *ha)
1877 {
1878 unsigned long flags = 0;
1879 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1880
1881 spin_lock_irqsave(&ha->hardware_lock, flags);
1882 ha->interrupts_on = 1;
1883 /* enable risc and host interrupts */
1884 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
1885 RD_REG_WORD(®->ictrl);
1886 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1887
1888 }
1889
1890 static void
qla2x00_disable_intrs(struct qla_hw_data * ha)1891 qla2x00_disable_intrs(struct qla_hw_data *ha)
1892 {
1893 unsigned long flags = 0;
1894 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1895
1896 spin_lock_irqsave(&ha->hardware_lock, flags);
1897 ha->interrupts_on = 0;
1898 /* disable risc and host interrupts */
1899 WRT_REG_WORD(®->ictrl, 0);
1900 RD_REG_WORD(®->ictrl);
1901 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1902 }
1903
1904 static void
qla24xx_enable_intrs(struct qla_hw_data * ha)1905 qla24xx_enable_intrs(struct qla_hw_data *ha)
1906 {
1907 unsigned long flags = 0;
1908 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1909
1910 spin_lock_irqsave(&ha->hardware_lock, flags);
1911 ha->interrupts_on = 1;
1912 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT);
1913 RD_REG_DWORD(®->ictrl);
1914 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1915 }
1916
1917 static void
qla24xx_disable_intrs(struct qla_hw_data * ha)1918 qla24xx_disable_intrs(struct qla_hw_data *ha)
1919 {
1920 unsigned long flags = 0;
1921 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1922
1923 if (IS_NOPOLLING_TYPE(ha))
1924 return;
1925 spin_lock_irqsave(&ha->hardware_lock, flags);
1926 ha->interrupts_on = 0;
1927 WRT_REG_DWORD(®->ictrl, 0);
1928 RD_REG_DWORD(®->ictrl);
1929 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1930 }
1931
1932 static int
qla2x00_iospace_config(struct qla_hw_data * ha)1933 qla2x00_iospace_config(struct qla_hw_data *ha)
1934 {
1935 resource_size_t pio;
1936 uint16_t msix;
1937
1938 if (pci_request_selected_regions(ha->pdev, ha->bars,
1939 QLA2XXX_DRIVER_NAME)) {
1940 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1941 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1942 pci_name(ha->pdev));
1943 goto iospace_error_exit;
1944 }
1945 if (!(ha->bars & 1))
1946 goto skip_pio;
1947
1948 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1949 pio = pci_resource_start(ha->pdev, 0);
1950 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1951 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1952 ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1953 "Invalid pci I/O region size (%s).\n",
1954 pci_name(ha->pdev));
1955 pio = 0;
1956 }
1957 } else {
1958 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1959 "Region #0 no a PIO resource (%s).\n",
1960 pci_name(ha->pdev));
1961 pio = 0;
1962 }
1963 ha->pio_address = pio;
1964 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1965 "PIO address=%llu.\n",
1966 (unsigned long long)ha->pio_address);
1967
1968 skip_pio:
1969 /* Use MMIO operations for all accesses. */
1970 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1971 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1972 "Region #1 not an MMIO resource (%s), aborting.\n",
1973 pci_name(ha->pdev));
1974 goto iospace_error_exit;
1975 }
1976 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1977 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1978 "Invalid PCI mem region size (%s), aborting.\n",
1979 pci_name(ha->pdev));
1980 goto iospace_error_exit;
1981 }
1982
1983 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1984 if (!ha->iobase) {
1985 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1986 "Cannot remap MMIO (%s), aborting.\n",
1987 pci_name(ha->pdev));
1988 goto iospace_error_exit;
1989 }
1990
1991 /* Determine queue resources */
1992 ha->max_req_queues = ha->max_rsp_queues = 1;
1993 ha->msix_count = QLA_BASE_VECTORS;
1994 if (!ql2xmqsupport || !ql2xnvmeenable ||
1995 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1996 goto mqiobase_exit;
1997
1998 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1999 pci_resource_len(ha->pdev, 3));
2000 if (ha->mqiobase) {
2001 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2002 "MQIO Base=%p.\n", ha->mqiobase);
2003 /* Read MSIX vector size of the board */
2004 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2005 ha->msix_count = msix + 1;
2006 /* Max queues are bounded by available msix vectors */
2007 /* MB interrupt uses 1 vector */
2008 ha->max_req_queues = ha->msix_count - 1;
2009 ha->max_rsp_queues = ha->max_req_queues;
2010 /* Queue pairs is the max value minus the base queue pair */
2011 ha->max_qpairs = ha->max_rsp_queues - 1;
2012 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2013 "Max no of queues pairs: %d.\n", ha->max_qpairs);
2014
2015 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2016 "MSI-X vector count: %d.\n", ha->msix_count);
2017 } else
2018 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2019 "BAR 3 not enabled.\n");
2020
2021 mqiobase_exit:
2022 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2023 "MSIX Count: %d.\n", ha->msix_count);
2024 return (0);
2025
2026 iospace_error_exit:
2027 return (-ENOMEM);
2028 }
2029
2030
2031 static int
qla83xx_iospace_config(struct qla_hw_data * ha)2032 qla83xx_iospace_config(struct qla_hw_data *ha)
2033 {
2034 uint16_t msix;
2035
2036 if (pci_request_selected_regions(ha->pdev, ha->bars,
2037 QLA2XXX_DRIVER_NAME)) {
2038 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2039 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2040 pci_name(ha->pdev));
2041
2042 goto iospace_error_exit;
2043 }
2044
2045 /* Use MMIO operations for all accesses. */
2046 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2047 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2048 "Invalid pci I/O region size (%s).\n",
2049 pci_name(ha->pdev));
2050 goto iospace_error_exit;
2051 }
2052 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2053 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2054 "Invalid PCI mem region size (%s), aborting\n",
2055 pci_name(ha->pdev));
2056 goto iospace_error_exit;
2057 }
2058
2059 ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2060 if (!ha->iobase) {
2061 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2062 "Cannot remap MMIO (%s), aborting.\n",
2063 pci_name(ha->pdev));
2064 goto iospace_error_exit;
2065 }
2066
2067 /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2068 /* 83XX 26XX always use MQ type access for queues
2069 * - mbar 2, a.k.a region 4 */
2070 ha->max_req_queues = ha->max_rsp_queues = 1;
2071 ha->msix_count = QLA_BASE_VECTORS;
2072 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2073 pci_resource_len(ha->pdev, 4));
2074
2075 if (!ha->mqiobase) {
2076 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2077 "BAR2/region4 not enabled\n");
2078 goto mqiobase_exit;
2079 }
2080
2081 ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2082 pci_resource_len(ha->pdev, 2));
2083 if (ha->msixbase) {
2084 /* Read MSIX vector size of the board */
2085 pci_read_config_word(ha->pdev,
2086 QLA_83XX_PCI_MSIX_CONTROL, &msix);
2087 ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE) + 1;
2088 /*
2089 * By default, driver uses at least two msix vectors
2090 * (default & rspq)
2091 */
2092 if (ql2xmqsupport || ql2xnvmeenable) {
2093 /* MB interrupt uses 1 vector */
2094 ha->max_req_queues = ha->msix_count - 1;
2095
2096 /* ATIOQ needs 1 vector. That's 1 less QPair */
2097 if (QLA_TGT_MODE_ENABLED())
2098 ha->max_req_queues--;
2099
2100 ha->max_rsp_queues = ha->max_req_queues;
2101
2102 /* Queue pairs is the max value minus
2103 * the base queue pair */
2104 ha->max_qpairs = ha->max_req_queues - 1;
2105 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2106 "Max no of queues pairs: %d.\n", ha->max_qpairs);
2107 }
2108 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2109 "MSI-X vector count: %d.\n", ha->msix_count);
2110 } else
2111 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2112 "BAR 1 not enabled.\n");
2113
2114 mqiobase_exit:
2115 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2116 "MSIX Count: %d.\n", ha->msix_count);
2117 return 0;
2118
2119 iospace_error_exit:
2120 return -ENOMEM;
2121 }
2122
2123 static struct isp_operations qla2100_isp_ops = {
2124 .pci_config = qla2100_pci_config,
2125 .reset_chip = qla2x00_reset_chip,
2126 .chip_diag = qla2x00_chip_diag,
2127 .config_rings = qla2x00_config_rings,
2128 .reset_adapter = qla2x00_reset_adapter,
2129 .nvram_config = qla2x00_nvram_config,
2130 .update_fw_options = qla2x00_update_fw_options,
2131 .load_risc = qla2x00_load_risc,
2132 .pci_info_str = qla2x00_pci_info_str,
2133 .fw_version_str = qla2x00_fw_version_str,
2134 .intr_handler = qla2100_intr_handler,
2135 .enable_intrs = qla2x00_enable_intrs,
2136 .disable_intrs = qla2x00_disable_intrs,
2137 .abort_command = qla2x00_abort_command,
2138 .target_reset = qla2x00_abort_target,
2139 .lun_reset = qla2x00_lun_reset,
2140 .fabric_login = qla2x00_login_fabric,
2141 .fabric_logout = qla2x00_fabric_logout,
2142 .calc_req_entries = qla2x00_calc_iocbs_32,
2143 .build_iocbs = qla2x00_build_scsi_iocbs_32,
2144 .prep_ms_iocb = qla2x00_prep_ms_iocb,
2145 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
2146 .read_nvram = qla2x00_read_nvram_data,
2147 .write_nvram = qla2x00_write_nvram_data,
2148 .fw_dump = qla2100_fw_dump,
2149 .beacon_on = NULL,
2150 .beacon_off = NULL,
2151 .beacon_blink = NULL,
2152 .read_optrom = qla2x00_read_optrom_data,
2153 .write_optrom = qla2x00_write_optrom_data,
2154 .get_flash_version = qla2x00_get_flash_version,
2155 .start_scsi = qla2x00_start_scsi,
2156 .start_scsi_mq = NULL,
2157 .abort_isp = qla2x00_abort_isp,
2158 .iospace_config = qla2x00_iospace_config,
2159 .initialize_adapter = qla2x00_initialize_adapter,
2160 };
2161
2162 static struct isp_operations qla2300_isp_ops = {
2163 .pci_config = qla2300_pci_config,
2164 .reset_chip = qla2x00_reset_chip,
2165 .chip_diag = qla2x00_chip_diag,
2166 .config_rings = qla2x00_config_rings,
2167 .reset_adapter = qla2x00_reset_adapter,
2168 .nvram_config = qla2x00_nvram_config,
2169 .update_fw_options = qla2x00_update_fw_options,
2170 .load_risc = qla2x00_load_risc,
2171 .pci_info_str = qla2x00_pci_info_str,
2172 .fw_version_str = qla2x00_fw_version_str,
2173 .intr_handler = qla2300_intr_handler,
2174 .enable_intrs = qla2x00_enable_intrs,
2175 .disable_intrs = qla2x00_disable_intrs,
2176 .abort_command = qla2x00_abort_command,
2177 .target_reset = qla2x00_abort_target,
2178 .lun_reset = qla2x00_lun_reset,
2179 .fabric_login = qla2x00_login_fabric,
2180 .fabric_logout = qla2x00_fabric_logout,
2181 .calc_req_entries = qla2x00_calc_iocbs_32,
2182 .build_iocbs = qla2x00_build_scsi_iocbs_32,
2183 .prep_ms_iocb = qla2x00_prep_ms_iocb,
2184 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
2185 .read_nvram = qla2x00_read_nvram_data,
2186 .write_nvram = qla2x00_write_nvram_data,
2187 .fw_dump = qla2300_fw_dump,
2188 .beacon_on = qla2x00_beacon_on,
2189 .beacon_off = qla2x00_beacon_off,
2190 .beacon_blink = qla2x00_beacon_blink,
2191 .read_optrom = qla2x00_read_optrom_data,
2192 .write_optrom = qla2x00_write_optrom_data,
2193 .get_flash_version = qla2x00_get_flash_version,
2194 .start_scsi = qla2x00_start_scsi,
2195 .start_scsi_mq = NULL,
2196 .abort_isp = qla2x00_abort_isp,
2197 .iospace_config = qla2x00_iospace_config,
2198 .initialize_adapter = qla2x00_initialize_adapter,
2199 };
2200
2201 static struct isp_operations qla24xx_isp_ops = {
2202 .pci_config = qla24xx_pci_config,
2203 .reset_chip = qla24xx_reset_chip,
2204 .chip_diag = qla24xx_chip_diag,
2205 .config_rings = qla24xx_config_rings,
2206 .reset_adapter = qla24xx_reset_adapter,
2207 .nvram_config = qla24xx_nvram_config,
2208 .update_fw_options = qla24xx_update_fw_options,
2209 .load_risc = qla24xx_load_risc,
2210 .pci_info_str = qla24xx_pci_info_str,
2211 .fw_version_str = qla24xx_fw_version_str,
2212 .intr_handler = qla24xx_intr_handler,
2213 .enable_intrs = qla24xx_enable_intrs,
2214 .disable_intrs = qla24xx_disable_intrs,
2215 .abort_command = qla24xx_abort_command,
2216 .target_reset = qla24xx_abort_target,
2217 .lun_reset = qla24xx_lun_reset,
2218 .fabric_login = qla24xx_login_fabric,
2219 .fabric_logout = qla24xx_fabric_logout,
2220 .calc_req_entries = NULL,
2221 .build_iocbs = NULL,
2222 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2223 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2224 .read_nvram = qla24xx_read_nvram_data,
2225 .write_nvram = qla24xx_write_nvram_data,
2226 .fw_dump = qla24xx_fw_dump,
2227 .beacon_on = qla24xx_beacon_on,
2228 .beacon_off = qla24xx_beacon_off,
2229 .beacon_blink = qla24xx_beacon_blink,
2230 .read_optrom = qla24xx_read_optrom_data,
2231 .write_optrom = qla24xx_write_optrom_data,
2232 .get_flash_version = qla24xx_get_flash_version,
2233 .start_scsi = qla24xx_start_scsi,
2234 .start_scsi_mq = NULL,
2235 .abort_isp = qla2x00_abort_isp,
2236 .iospace_config = qla2x00_iospace_config,
2237 .initialize_adapter = qla2x00_initialize_adapter,
2238 };
2239
2240 static struct isp_operations qla25xx_isp_ops = {
2241 .pci_config = qla25xx_pci_config,
2242 .reset_chip = qla24xx_reset_chip,
2243 .chip_diag = qla24xx_chip_diag,
2244 .config_rings = qla24xx_config_rings,
2245 .reset_adapter = qla24xx_reset_adapter,
2246 .nvram_config = qla24xx_nvram_config,
2247 .update_fw_options = qla24xx_update_fw_options,
2248 .load_risc = qla24xx_load_risc,
2249 .pci_info_str = qla24xx_pci_info_str,
2250 .fw_version_str = qla24xx_fw_version_str,
2251 .intr_handler = qla24xx_intr_handler,
2252 .enable_intrs = qla24xx_enable_intrs,
2253 .disable_intrs = qla24xx_disable_intrs,
2254 .abort_command = qla24xx_abort_command,
2255 .target_reset = qla24xx_abort_target,
2256 .lun_reset = qla24xx_lun_reset,
2257 .fabric_login = qla24xx_login_fabric,
2258 .fabric_logout = qla24xx_fabric_logout,
2259 .calc_req_entries = NULL,
2260 .build_iocbs = NULL,
2261 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2262 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2263 .read_nvram = qla25xx_read_nvram_data,
2264 .write_nvram = qla25xx_write_nvram_data,
2265 .fw_dump = qla25xx_fw_dump,
2266 .beacon_on = qla24xx_beacon_on,
2267 .beacon_off = qla24xx_beacon_off,
2268 .beacon_blink = qla24xx_beacon_blink,
2269 .read_optrom = qla25xx_read_optrom_data,
2270 .write_optrom = qla24xx_write_optrom_data,
2271 .get_flash_version = qla24xx_get_flash_version,
2272 .start_scsi = qla24xx_dif_start_scsi,
2273 .start_scsi_mq = qla2xxx_dif_start_scsi_mq,
2274 .abort_isp = qla2x00_abort_isp,
2275 .iospace_config = qla2x00_iospace_config,
2276 .initialize_adapter = qla2x00_initialize_adapter,
2277 };
2278
2279 static struct isp_operations qla81xx_isp_ops = {
2280 .pci_config = qla25xx_pci_config,
2281 .reset_chip = qla24xx_reset_chip,
2282 .chip_diag = qla24xx_chip_diag,
2283 .config_rings = qla24xx_config_rings,
2284 .reset_adapter = qla24xx_reset_adapter,
2285 .nvram_config = qla81xx_nvram_config,
2286 .update_fw_options = qla81xx_update_fw_options,
2287 .load_risc = qla81xx_load_risc,
2288 .pci_info_str = qla24xx_pci_info_str,
2289 .fw_version_str = qla24xx_fw_version_str,
2290 .intr_handler = qla24xx_intr_handler,
2291 .enable_intrs = qla24xx_enable_intrs,
2292 .disable_intrs = qla24xx_disable_intrs,
2293 .abort_command = qla24xx_abort_command,
2294 .target_reset = qla24xx_abort_target,
2295 .lun_reset = qla24xx_lun_reset,
2296 .fabric_login = qla24xx_login_fabric,
2297 .fabric_logout = qla24xx_fabric_logout,
2298 .calc_req_entries = NULL,
2299 .build_iocbs = NULL,
2300 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2301 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2302 .read_nvram = NULL,
2303 .write_nvram = NULL,
2304 .fw_dump = qla81xx_fw_dump,
2305 .beacon_on = qla24xx_beacon_on,
2306 .beacon_off = qla24xx_beacon_off,
2307 .beacon_blink = qla83xx_beacon_blink,
2308 .read_optrom = qla25xx_read_optrom_data,
2309 .write_optrom = qla24xx_write_optrom_data,
2310 .get_flash_version = qla24xx_get_flash_version,
2311 .start_scsi = qla24xx_dif_start_scsi,
2312 .start_scsi_mq = qla2xxx_dif_start_scsi_mq,
2313 .abort_isp = qla2x00_abort_isp,
2314 .iospace_config = qla2x00_iospace_config,
2315 .initialize_adapter = qla2x00_initialize_adapter,
2316 };
2317
2318 static struct isp_operations qla82xx_isp_ops = {
2319 .pci_config = qla82xx_pci_config,
2320 .reset_chip = qla82xx_reset_chip,
2321 .chip_diag = qla24xx_chip_diag,
2322 .config_rings = qla82xx_config_rings,
2323 .reset_adapter = qla24xx_reset_adapter,
2324 .nvram_config = qla81xx_nvram_config,
2325 .update_fw_options = qla24xx_update_fw_options,
2326 .load_risc = qla82xx_load_risc,
2327 .pci_info_str = qla24xx_pci_info_str,
2328 .fw_version_str = qla24xx_fw_version_str,
2329 .intr_handler = qla82xx_intr_handler,
2330 .enable_intrs = qla82xx_enable_intrs,
2331 .disable_intrs = qla82xx_disable_intrs,
2332 .abort_command = qla24xx_abort_command,
2333 .target_reset = qla24xx_abort_target,
2334 .lun_reset = qla24xx_lun_reset,
2335 .fabric_login = qla24xx_login_fabric,
2336 .fabric_logout = qla24xx_fabric_logout,
2337 .calc_req_entries = NULL,
2338 .build_iocbs = NULL,
2339 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2340 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2341 .read_nvram = qla24xx_read_nvram_data,
2342 .write_nvram = qla24xx_write_nvram_data,
2343 .fw_dump = qla82xx_fw_dump,
2344 .beacon_on = qla82xx_beacon_on,
2345 .beacon_off = qla82xx_beacon_off,
2346 .beacon_blink = NULL,
2347 .read_optrom = qla82xx_read_optrom_data,
2348 .write_optrom = qla82xx_write_optrom_data,
2349 .get_flash_version = qla82xx_get_flash_version,
2350 .start_scsi = qla82xx_start_scsi,
2351 .start_scsi_mq = NULL,
2352 .abort_isp = qla82xx_abort_isp,
2353 .iospace_config = qla82xx_iospace_config,
2354 .initialize_adapter = qla2x00_initialize_adapter,
2355 };
2356
2357 static struct isp_operations qla8044_isp_ops = {
2358 .pci_config = qla82xx_pci_config,
2359 .reset_chip = qla82xx_reset_chip,
2360 .chip_diag = qla24xx_chip_diag,
2361 .config_rings = qla82xx_config_rings,
2362 .reset_adapter = qla24xx_reset_adapter,
2363 .nvram_config = qla81xx_nvram_config,
2364 .update_fw_options = qla24xx_update_fw_options,
2365 .load_risc = qla82xx_load_risc,
2366 .pci_info_str = qla24xx_pci_info_str,
2367 .fw_version_str = qla24xx_fw_version_str,
2368 .intr_handler = qla8044_intr_handler,
2369 .enable_intrs = qla82xx_enable_intrs,
2370 .disable_intrs = qla82xx_disable_intrs,
2371 .abort_command = qla24xx_abort_command,
2372 .target_reset = qla24xx_abort_target,
2373 .lun_reset = qla24xx_lun_reset,
2374 .fabric_login = qla24xx_login_fabric,
2375 .fabric_logout = qla24xx_fabric_logout,
2376 .calc_req_entries = NULL,
2377 .build_iocbs = NULL,
2378 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2379 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2380 .read_nvram = NULL,
2381 .write_nvram = NULL,
2382 .fw_dump = qla8044_fw_dump,
2383 .beacon_on = qla82xx_beacon_on,
2384 .beacon_off = qla82xx_beacon_off,
2385 .beacon_blink = NULL,
2386 .read_optrom = qla8044_read_optrom_data,
2387 .write_optrom = qla8044_write_optrom_data,
2388 .get_flash_version = qla82xx_get_flash_version,
2389 .start_scsi = qla82xx_start_scsi,
2390 .start_scsi_mq = NULL,
2391 .abort_isp = qla8044_abort_isp,
2392 .iospace_config = qla82xx_iospace_config,
2393 .initialize_adapter = qla2x00_initialize_adapter,
2394 };
2395
2396 static struct isp_operations qla83xx_isp_ops = {
2397 .pci_config = qla25xx_pci_config,
2398 .reset_chip = qla24xx_reset_chip,
2399 .chip_diag = qla24xx_chip_diag,
2400 .config_rings = qla24xx_config_rings,
2401 .reset_adapter = qla24xx_reset_adapter,
2402 .nvram_config = qla81xx_nvram_config,
2403 .update_fw_options = qla81xx_update_fw_options,
2404 .load_risc = qla81xx_load_risc,
2405 .pci_info_str = qla24xx_pci_info_str,
2406 .fw_version_str = qla24xx_fw_version_str,
2407 .intr_handler = qla24xx_intr_handler,
2408 .enable_intrs = qla24xx_enable_intrs,
2409 .disable_intrs = qla24xx_disable_intrs,
2410 .abort_command = qla24xx_abort_command,
2411 .target_reset = qla24xx_abort_target,
2412 .lun_reset = qla24xx_lun_reset,
2413 .fabric_login = qla24xx_login_fabric,
2414 .fabric_logout = qla24xx_fabric_logout,
2415 .calc_req_entries = NULL,
2416 .build_iocbs = NULL,
2417 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2418 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2419 .read_nvram = NULL,
2420 .write_nvram = NULL,
2421 .fw_dump = qla83xx_fw_dump,
2422 .beacon_on = qla24xx_beacon_on,
2423 .beacon_off = qla24xx_beacon_off,
2424 .beacon_blink = qla83xx_beacon_blink,
2425 .read_optrom = qla25xx_read_optrom_data,
2426 .write_optrom = qla24xx_write_optrom_data,
2427 .get_flash_version = qla24xx_get_flash_version,
2428 .start_scsi = qla24xx_dif_start_scsi,
2429 .start_scsi_mq = qla2xxx_dif_start_scsi_mq,
2430 .abort_isp = qla2x00_abort_isp,
2431 .iospace_config = qla83xx_iospace_config,
2432 .initialize_adapter = qla2x00_initialize_adapter,
2433 };
2434
2435 static struct isp_operations qlafx00_isp_ops = {
2436 .pci_config = qlafx00_pci_config,
2437 .reset_chip = qlafx00_soft_reset,
2438 .chip_diag = qlafx00_chip_diag,
2439 .config_rings = qlafx00_config_rings,
2440 .reset_adapter = qlafx00_soft_reset,
2441 .nvram_config = NULL,
2442 .update_fw_options = NULL,
2443 .load_risc = NULL,
2444 .pci_info_str = qlafx00_pci_info_str,
2445 .fw_version_str = qlafx00_fw_version_str,
2446 .intr_handler = qlafx00_intr_handler,
2447 .enable_intrs = qlafx00_enable_intrs,
2448 .disable_intrs = qlafx00_disable_intrs,
2449 .abort_command = qla24xx_async_abort_command,
2450 .target_reset = qlafx00_abort_target,
2451 .lun_reset = qlafx00_lun_reset,
2452 .fabric_login = NULL,
2453 .fabric_logout = NULL,
2454 .calc_req_entries = NULL,
2455 .build_iocbs = NULL,
2456 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2457 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2458 .read_nvram = qla24xx_read_nvram_data,
2459 .write_nvram = qla24xx_write_nvram_data,
2460 .fw_dump = NULL,
2461 .beacon_on = qla24xx_beacon_on,
2462 .beacon_off = qla24xx_beacon_off,
2463 .beacon_blink = NULL,
2464 .read_optrom = qla24xx_read_optrom_data,
2465 .write_optrom = qla24xx_write_optrom_data,
2466 .get_flash_version = qla24xx_get_flash_version,
2467 .start_scsi = qlafx00_start_scsi,
2468 .start_scsi_mq = NULL,
2469 .abort_isp = qlafx00_abort_isp,
2470 .iospace_config = qlafx00_iospace_config,
2471 .initialize_adapter = qlafx00_initialize_adapter,
2472 };
2473
2474 static struct isp_operations qla27xx_isp_ops = {
2475 .pci_config = qla25xx_pci_config,
2476 .reset_chip = qla24xx_reset_chip,
2477 .chip_diag = qla24xx_chip_diag,
2478 .config_rings = qla24xx_config_rings,
2479 .reset_adapter = qla24xx_reset_adapter,
2480 .nvram_config = qla81xx_nvram_config,
2481 .update_fw_options = qla81xx_update_fw_options,
2482 .load_risc = qla81xx_load_risc,
2483 .pci_info_str = qla24xx_pci_info_str,
2484 .fw_version_str = qla24xx_fw_version_str,
2485 .intr_handler = qla24xx_intr_handler,
2486 .enable_intrs = qla24xx_enable_intrs,
2487 .disable_intrs = qla24xx_disable_intrs,
2488 .abort_command = qla24xx_abort_command,
2489 .target_reset = qla24xx_abort_target,
2490 .lun_reset = qla24xx_lun_reset,
2491 .fabric_login = qla24xx_login_fabric,
2492 .fabric_logout = qla24xx_fabric_logout,
2493 .calc_req_entries = NULL,
2494 .build_iocbs = NULL,
2495 .prep_ms_iocb = qla24xx_prep_ms_iocb,
2496 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
2497 .read_nvram = NULL,
2498 .write_nvram = NULL,
2499 .fw_dump = qla27xx_fwdump,
2500 .beacon_on = qla24xx_beacon_on,
2501 .beacon_off = qla24xx_beacon_off,
2502 .beacon_blink = qla83xx_beacon_blink,
2503 .read_optrom = qla25xx_read_optrom_data,
2504 .write_optrom = qla24xx_write_optrom_data,
2505 .get_flash_version = qla24xx_get_flash_version,
2506 .start_scsi = qla24xx_dif_start_scsi,
2507 .start_scsi_mq = qla2xxx_dif_start_scsi_mq,
2508 .abort_isp = qla2x00_abort_isp,
2509 .iospace_config = qla83xx_iospace_config,
2510 .initialize_adapter = qla2x00_initialize_adapter,
2511 };
2512
2513 static inline void
qla2x00_set_isp_flags(struct qla_hw_data * ha)2514 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2515 {
2516 ha->device_type = DT_EXTENDED_IDS;
2517 switch (ha->pdev->device) {
2518 case PCI_DEVICE_ID_QLOGIC_ISP2100:
2519 ha->isp_type |= DT_ISP2100;
2520 ha->device_type &= ~DT_EXTENDED_IDS;
2521 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2522 break;
2523 case PCI_DEVICE_ID_QLOGIC_ISP2200:
2524 ha->isp_type |= DT_ISP2200;
2525 ha->device_type &= ~DT_EXTENDED_IDS;
2526 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2527 break;
2528 case PCI_DEVICE_ID_QLOGIC_ISP2300:
2529 ha->isp_type |= DT_ISP2300;
2530 ha->device_type |= DT_ZIO_SUPPORTED;
2531 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2532 break;
2533 case PCI_DEVICE_ID_QLOGIC_ISP2312:
2534 ha->isp_type |= DT_ISP2312;
2535 ha->device_type |= DT_ZIO_SUPPORTED;
2536 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2537 break;
2538 case PCI_DEVICE_ID_QLOGIC_ISP2322:
2539 ha->isp_type |= DT_ISP2322;
2540 ha->device_type |= DT_ZIO_SUPPORTED;
2541 if (ha->pdev->subsystem_vendor == 0x1028 &&
2542 ha->pdev->subsystem_device == 0x0170)
2543 ha->device_type |= DT_OEM_001;
2544 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2545 break;
2546 case PCI_DEVICE_ID_QLOGIC_ISP6312:
2547 ha->isp_type |= DT_ISP6312;
2548 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2549 break;
2550 case PCI_DEVICE_ID_QLOGIC_ISP6322:
2551 ha->isp_type |= DT_ISP6322;
2552 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2553 break;
2554 case PCI_DEVICE_ID_QLOGIC_ISP2422:
2555 ha->isp_type |= DT_ISP2422;
2556 ha->device_type |= DT_ZIO_SUPPORTED;
2557 ha->device_type |= DT_FWI2;
2558 ha->device_type |= DT_IIDMA;
2559 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2560 break;
2561 case PCI_DEVICE_ID_QLOGIC_ISP2432:
2562 ha->isp_type |= DT_ISP2432;
2563 ha->device_type |= DT_ZIO_SUPPORTED;
2564 ha->device_type |= DT_FWI2;
2565 ha->device_type |= DT_IIDMA;
2566 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2567 break;
2568 case PCI_DEVICE_ID_QLOGIC_ISP8432:
2569 ha->isp_type |= DT_ISP8432;
2570 ha->device_type |= DT_ZIO_SUPPORTED;
2571 ha->device_type |= DT_FWI2;
2572 ha->device_type |= DT_IIDMA;
2573 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2574 break;
2575 case PCI_DEVICE_ID_QLOGIC_ISP5422:
2576 ha->isp_type |= DT_ISP5422;
2577 ha->device_type |= DT_FWI2;
2578 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2579 break;
2580 case PCI_DEVICE_ID_QLOGIC_ISP5432:
2581 ha->isp_type |= DT_ISP5432;
2582 ha->device_type |= DT_FWI2;
2583 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2584 break;
2585 case PCI_DEVICE_ID_QLOGIC_ISP2532:
2586 ha->isp_type |= DT_ISP2532;
2587 ha->device_type |= DT_ZIO_SUPPORTED;
2588 ha->device_type |= DT_FWI2;
2589 ha->device_type |= DT_IIDMA;
2590 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2591 break;
2592 case PCI_DEVICE_ID_QLOGIC_ISP8001:
2593 ha->isp_type |= DT_ISP8001;
2594 ha->device_type |= DT_ZIO_SUPPORTED;
2595 ha->device_type |= DT_FWI2;
2596 ha->device_type |= DT_IIDMA;
2597 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2598 break;
2599 case PCI_DEVICE_ID_QLOGIC_ISP8021:
2600 ha->isp_type |= DT_ISP8021;
2601 ha->device_type |= DT_ZIO_SUPPORTED;
2602 ha->device_type |= DT_FWI2;
2603 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2604 /* Initialize 82XX ISP flags */
2605 qla82xx_init_flags(ha);
2606 break;
2607 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2608 ha->isp_type |= DT_ISP8044;
2609 ha->device_type |= DT_ZIO_SUPPORTED;
2610 ha->device_type |= DT_FWI2;
2611 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2612 /* Initialize 82XX ISP flags */
2613 qla82xx_init_flags(ha);
2614 break;
2615 case PCI_DEVICE_ID_QLOGIC_ISP2031:
2616 ha->isp_type |= DT_ISP2031;
2617 ha->device_type |= DT_ZIO_SUPPORTED;
2618 ha->device_type |= DT_FWI2;
2619 ha->device_type |= DT_IIDMA;
2620 ha->device_type |= DT_T10_PI;
2621 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2622 break;
2623 case PCI_DEVICE_ID_QLOGIC_ISP8031:
2624 ha->isp_type |= DT_ISP8031;
2625 ha->device_type |= DT_ZIO_SUPPORTED;
2626 ha->device_type |= DT_FWI2;
2627 ha->device_type |= DT_IIDMA;
2628 ha->device_type |= DT_T10_PI;
2629 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2630 break;
2631 case PCI_DEVICE_ID_QLOGIC_ISPF001:
2632 ha->isp_type |= DT_ISPFX00;
2633 break;
2634 case PCI_DEVICE_ID_QLOGIC_ISP2071:
2635 ha->isp_type |= DT_ISP2071;
2636 ha->device_type |= DT_ZIO_SUPPORTED;
2637 ha->device_type |= DT_FWI2;
2638 ha->device_type |= DT_IIDMA;
2639 ha->device_type |= DT_T10_PI;
2640 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2641 break;
2642 case PCI_DEVICE_ID_QLOGIC_ISP2271:
2643 ha->isp_type |= DT_ISP2271;
2644 ha->device_type |= DT_ZIO_SUPPORTED;
2645 ha->device_type |= DT_FWI2;
2646 ha->device_type |= DT_IIDMA;
2647 ha->device_type |= DT_T10_PI;
2648 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2649 break;
2650 case PCI_DEVICE_ID_QLOGIC_ISP2261:
2651 ha->isp_type |= DT_ISP2261;
2652 ha->device_type |= DT_ZIO_SUPPORTED;
2653 ha->device_type |= DT_FWI2;
2654 ha->device_type |= DT_IIDMA;
2655 ha->device_type |= DT_T10_PI;
2656 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2657 break;
2658 }
2659
2660 if (IS_QLA82XX(ha))
2661 ha->port_no = ha->portnum & 1;
2662 else {
2663 /* Get adapter physical port no from interrupt pin register. */
2664 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2665 if (IS_QLA27XX(ha))
2666 ha->port_no--;
2667 else
2668 ha->port_no = !(ha->port_no & 1);
2669 }
2670
2671 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2672 "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2673 ha->device_type, ha->port_no, ha->fw_srisc_address);
2674 }
2675
2676 static void
qla2xxx_scan_start(struct Scsi_Host * shost)2677 qla2xxx_scan_start(struct Scsi_Host *shost)
2678 {
2679 scsi_qla_host_t *vha = shost_priv(shost);
2680
2681 if (vha->hw->flags.running_gold_fw)
2682 return;
2683
2684 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2685 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2686 set_bit(RSCN_UPDATE, &vha->dpc_flags);
2687 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2688 }
2689
2690 static int
qla2xxx_scan_finished(struct Scsi_Host * shost,unsigned long time)2691 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2692 {
2693 scsi_qla_host_t *vha = shost_priv(shost);
2694
2695 if (test_bit(UNLOADING, &vha->dpc_flags))
2696 return 1;
2697 if (!vha->host)
2698 return 1;
2699 if (time > vha->hw->loop_reset_delay * HZ)
2700 return 1;
2701
2702 return atomic_read(&vha->loop_state) == LOOP_READY;
2703 }
2704
qla2x00_iocb_work_fn(struct work_struct * work)2705 static void qla2x00_iocb_work_fn(struct work_struct *work)
2706 {
2707 struct scsi_qla_host *vha = container_of(work,
2708 struct scsi_qla_host, iocb_work);
2709 struct qla_hw_data *ha = vha->hw;
2710 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2711 int i = 20;
2712 unsigned long flags;
2713
2714 if (test_bit(UNLOADING, &base_vha->dpc_flags))
2715 return;
2716
2717 while (!list_empty(&vha->work_list) && i > 0) {
2718 qla2x00_do_work(vha);
2719 i--;
2720 }
2721
2722 spin_lock_irqsave(&vha->work_lock, flags);
2723 clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2724 spin_unlock_irqrestore(&vha->work_lock, flags);
2725 }
2726
2727 /*
2728 * PCI driver interface
2729 */
2730 static int
qla2x00_probe_one(struct pci_dev * pdev,const struct pci_device_id * id)2731 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2732 {
2733 int ret = -ENODEV;
2734 struct Scsi_Host *host;
2735 scsi_qla_host_t *base_vha = NULL;
2736 struct qla_hw_data *ha;
2737 char pci_info[30];
2738 char fw_str[30], wq_name[30];
2739 struct scsi_host_template *sht;
2740 int bars, mem_only = 0;
2741 uint16_t req_length = 0, rsp_length = 0;
2742 struct req_que *req = NULL;
2743 struct rsp_que *rsp = NULL;
2744 int i;
2745
2746 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2747 sht = &qla2xxx_driver_template;
2748 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2749 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2750 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2751 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2752 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2753 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2754 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2755 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2756 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2757 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2758 pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2759 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2760 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2761 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2762 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2763 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2764 mem_only = 1;
2765 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2766 "Mem only adapter.\n");
2767 }
2768 ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2769 "Bars=%d.\n", bars);
2770
2771 if (mem_only) {
2772 if (pci_enable_device_mem(pdev))
2773 return ret;
2774 } else {
2775 if (pci_enable_device(pdev))
2776 return ret;
2777 }
2778
2779 /* This may fail but that's ok */
2780 pci_enable_pcie_error_reporting(pdev);
2781
2782 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2783 if (!ha) {
2784 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2785 "Unable to allocate memory for ha.\n");
2786 goto disable_device;
2787 }
2788 ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2789 "Memory allocated for ha=%p.\n", ha);
2790 ha->pdev = pdev;
2791 INIT_LIST_HEAD(&ha->tgt.q_full_list);
2792 spin_lock_init(&ha->tgt.q_full_lock);
2793 spin_lock_init(&ha->tgt.sess_lock);
2794 spin_lock_init(&ha->tgt.atio_lock);
2795
2796 atomic_set(&ha->nvme_active_aen_cnt, 0);
2797
2798 /* Clear our data area */
2799 ha->bars = bars;
2800 ha->mem_only = mem_only;
2801 spin_lock_init(&ha->hardware_lock);
2802 spin_lock_init(&ha->vport_slock);
2803 mutex_init(&ha->selflogin_lock);
2804 mutex_init(&ha->optrom_mutex);
2805
2806 /* Set ISP-type information. */
2807 qla2x00_set_isp_flags(ha);
2808
2809 /* Set EEH reset type to fundamental if required by hba */
2810 if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2811 IS_QLA83XX(ha) || IS_QLA27XX(ha))
2812 pdev->needs_freset = 1;
2813
2814 ha->prev_topology = 0;
2815 ha->init_cb_size = sizeof(init_cb_t);
2816 ha->link_data_rate = PORT_SPEED_UNKNOWN;
2817 ha->optrom_size = OPTROM_SIZE_2300;
2818 ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2819 atomic_set(&ha->num_pend_mbx_stage1, 0);
2820 atomic_set(&ha->num_pend_mbx_stage2, 0);
2821 atomic_set(&ha->num_pend_mbx_stage3, 0);
2822
2823 /* Assign ISP specific operations. */
2824 if (IS_QLA2100(ha)) {
2825 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2826 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2827 req_length = REQUEST_ENTRY_CNT_2100;
2828 rsp_length = RESPONSE_ENTRY_CNT_2100;
2829 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2830 ha->gid_list_info_size = 4;
2831 ha->flash_conf_off = ~0;
2832 ha->flash_data_off = ~0;
2833 ha->nvram_conf_off = ~0;
2834 ha->nvram_data_off = ~0;
2835 ha->isp_ops = &qla2100_isp_ops;
2836 } else if (IS_QLA2200(ha)) {
2837 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2838 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2839 req_length = REQUEST_ENTRY_CNT_2200;
2840 rsp_length = RESPONSE_ENTRY_CNT_2100;
2841 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2842 ha->gid_list_info_size = 4;
2843 ha->flash_conf_off = ~0;
2844 ha->flash_data_off = ~0;
2845 ha->nvram_conf_off = ~0;
2846 ha->nvram_data_off = ~0;
2847 ha->isp_ops = &qla2100_isp_ops;
2848 } else if (IS_QLA23XX(ha)) {
2849 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2850 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2851 req_length = REQUEST_ENTRY_CNT_2200;
2852 rsp_length = RESPONSE_ENTRY_CNT_2300;
2853 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2854 ha->gid_list_info_size = 6;
2855 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2856 ha->optrom_size = OPTROM_SIZE_2322;
2857 ha->flash_conf_off = ~0;
2858 ha->flash_data_off = ~0;
2859 ha->nvram_conf_off = ~0;
2860 ha->nvram_data_off = ~0;
2861 ha->isp_ops = &qla2300_isp_ops;
2862 } else if (IS_QLA24XX_TYPE(ha)) {
2863 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2864 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2865 req_length = REQUEST_ENTRY_CNT_24XX;
2866 rsp_length = RESPONSE_ENTRY_CNT_2300;
2867 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2868 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2869 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2870 ha->gid_list_info_size = 8;
2871 ha->optrom_size = OPTROM_SIZE_24XX;
2872 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2873 ha->isp_ops = &qla24xx_isp_ops;
2874 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2875 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2876 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2877 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2878 } else if (IS_QLA25XX(ha)) {
2879 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2880 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2881 req_length = REQUEST_ENTRY_CNT_24XX;
2882 rsp_length = RESPONSE_ENTRY_CNT_2300;
2883 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2884 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2885 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2886 ha->gid_list_info_size = 8;
2887 ha->optrom_size = OPTROM_SIZE_25XX;
2888 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2889 ha->isp_ops = &qla25xx_isp_ops;
2890 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2891 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2892 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2893 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2894 } else if (IS_QLA81XX(ha)) {
2895 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2896 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2897 req_length = REQUEST_ENTRY_CNT_24XX;
2898 rsp_length = RESPONSE_ENTRY_CNT_2300;
2899 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2900 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2901 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2902 ha->gid_list_info_size = 8;
2903 ha->optrom_size = OPTROM_SIZE_81XX;
2904 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2905 ha->isp_ops = &qla81xx_isp_ops;
2906 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2907 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2908 ha->nvram_conf_off = ~0;
2909 ha->nvram_data_off = ~0;
2910 } else if (IS_QLA82XX(ha)) {
2911 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2912 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2913 req_length = REQUEST_ENTRY_CNT_82XX;
2914 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2915 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2916 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2917 ha->gid_list_info_size = 8;
2918 ha->optrom_size = OPTROM_SIZE_82XX;
2919 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2920 ha->isp_ops = &qla82xx_isp_ops;
2921 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2922 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2923 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2924 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2925 } else if (IS_QLA8044(ha)) {
2926 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2927 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2928 req_length = REQUEST_ENTRY_CNT_82XX;
2929 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2930 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2931 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2932 ha->gid_list_info_size = 8;
2933 ha->optrom_size = OPTROM_SIZE_83XX;
2934 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2935 ha->isp_ops = &qla8044_isp_ops;
2936 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2937 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2938 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2939 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2940 } else if (IS_QLA83XX(ha)) {
2941 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2942 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2943 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2944 req_length = REQUEST_ENTRY_CNT_83XX;
2945 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2946 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2947 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2948 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2949 ha->gid_list_info_size = 8;
2950 ha->optrom_size = OPTROM_SIZE_83XX;
2951 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2952 ha->isp_ops = &qla83xx_isp_ops;
2953 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2954 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2955 ha->nvram_conf_off = ~0;
2956 ha->nvram_data_off = ~0;
2957 } else if (IS_QLAFX00(ha)) {
2958 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2959 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2960 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2961 req_length = REQUEST_ENTRY_CNT_FX00;
2962 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2963 ha->isp_ops = &qlafx00_isp_ops;
2964 ha->port_down_retry_count = 30; /* default value */
2965 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2966 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2967 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2968 ha->mr.fw_hbt_en = 1;
2969 ha->mr.host_info_resend = false;
2970 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2971 } else if (IS_QLA27XX(ha)) {
2972 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2973 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2974 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2975 req_length = REQUEST_ENTRY_CNT_83XX;
2976 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2977 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2978 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2979 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2980 ha->gid_list_info_size = 8;
2981 ha->optrom_size = OPTROM_SIZE_83XX;
2982 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2983 ha->isp_ops = &qla27xx_isp_ops;
2984 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2985 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2986 ha->nvram_conf_off = ~0;
2987 ha->nvram_data_off = ~0;
2988 }
2989
2990 ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2991 "mbx_count=%d, req_length=%d, "
2992 "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2993 "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2994 "max_fibre_devices=%d.\n",
2995 ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2996 ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2997 ha->nvram_npiv_size, ha->max_fibre_devices);
2998 ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2999 "isp_ops=%p, flash_conf_off=%d, "
3000 "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3001 ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3002 ha->nvram_conf_off, ha->nvram_data_off);
3003
3004 /* Configure PCI I/O space */
3005 ret = ha->isp_ops->iospace_config(ha);
3006 if (ret)
3007 goto iospace_config_failed;
3008
3009 ql_log_pci(ql_log_info, pdev, 0x001d,
3010 "Found an ISP%04X irq %d iobase 0x%p.\n",
3011 pdev->device, pdev->irq, ha->iobase);
3012 mutex_init(&ha->vport_lock);
3013 mutex_init(&ha->mq_lock);
3014 init_completion(&ha->mbx_cmd_comp);
3015 complete(&ha->mbx_cmd_comp);
3016 init_completion(&ha->mbx_intr_comp);
3017 init_completion(&ha->dcbx_comp);
3018 init_completion(&ha->lb_portup_comp);
3019
3020 set_bit(0, (unsigned long *) ha->vp_idx_map);
3021
3022 qla2x00_config_dma_addressing(ha);
3023 ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3024 "64 Bit addressing is %s.\n",
3025 ha->flags.enable_64bit_addressing ? "enable" :
3026 "disable");
3027 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3028 if (ret) {
3029 ql_log_pci(ql_log_fatal, pdev, 0x0031,
3030 "Failed to allocate memory for adapter, aborting.\n");
3031
3032 goto probe_hw_failed;
3033 }
3034
3035 req->max_q_depth = MAX_Q_DEPTH;
3036 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3037 req->max_q_depth = ql2xmaxqdepth;
3038
3039
3040 base_vha = qla2x00_create_host(sht, ha);
3041 if (!base_vha) {
3042 ret = -ENOMEM;
3043 goto probe_hw_failed;
3044 }
3045
3046 pci_set_drvdata(pdev, base_vha);
3047 set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3048
3049 host = base_vha->host;
3050 base_vha->req = req;
3051 if (IS_QLA2XXX_MIDTYPE(ha))
3052 base_vha->mgmt_svr_loop_id =
3053 qla2x00_reserve_mgmt_server_loop_id(base_vha);
3054 else
3055 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3056 base_vha->vp_idx;
3057
3058 /* Setup fcport template structure. */
3059 ha->mr.fcport.vha = base_vha;
3060 ha->mr.fcport.port_type = FCT_UNKNOWN;
3061 ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3062 qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3063 ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3064 ha->mr.fcport.scan_state = 1;
3065
3066 /* Set the SG table size based on ISP type */
3067 if (!IS_FWI2_CAPABLE(ha)) {
3068 if (IS_QLA2100(ha))
3069 host->sg_tablesize = 32;
3070 } else {
3071 if (!IS_QLA82XX(ha))
3072 host->sg_tablesize = QLA_SG_ALL;
3073 }
3074 host->max_id = ha->max_fibre_devices;
3075 host->cmd_per_lun = 3;
3076 host->unique_id = host->host_no;
3077 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3078 host->max_cmd_len = 32;
3079 else
3080 host->max_cmd_len = MAX_CMDSZ;
3081 host->max_channel = MAX_BUSES - 1;
3082 /* Older HBAs support only 16-bit LUNs */
3083 if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3084 ql2xmaxlun > 0xffff)
3085 host->max_lun = 0xffff;
3086 else
3087 host->max_lun = ql2xmaxlun;
3088 host->transportt = qla2xxx_transport_template;
3089 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3090
3091 ql_dbg(ql_dbg_init, base_vha, 0x0033,
3092 "max_id=%d this_id=%d "
3093 "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3094 "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3095 host->this_id, host->cmd_per_lun, host->unique_id,
3096 host->max_cmd_len, host->max_channel, host->max_lun,
3097 host->transportt, sht->vendor_id);
3098
3099 INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3100
3101 /* Set up the irqs */
3102 ret = qla2x00_request_irqs(ha, rsp);
3103 if (ret)
3104 goto probe_failed;
3105
3106 /* Alloc arrays of request and response ring ptrs */
3107 ret = qla2x00_alloc_queues(ha, req, rsp);
3108 if (ret) {
3109 ql_log(ql_log_fatal, base_vha, 0x003d,
3110 "Failed to allocate memory for queue pointers..."
3111 "aborting.\n");
3112 goto probe_failed;
3113 }
3114
3115 if (ha->mqenable && shost_use_blk_mq(host)) {
3116 /* number of hardware queues supported by blk/scsi-mq*/
3117 host->nr_hw_queues = ha->max_qpairs;
3118
3119 ql_dbg(ql_dbg_init, base_vha, 0x0192,
3120 "blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3121 } else {
3122 if (ql2xnvmeenable) {
3123 host->nr_hw_queues = ha->max_qpairs;
3124 ql_dbg(ql_dbg_init, base_vha, 0x0194,
3125 "FC-NVMe support is enabled, HW queues=%d\n",
3126 host->nr_hw_queues);
3127 } else {
3128 ql_dbg(ql_dbg_init, base_vha, 0x0193,
3129 "blk/scsi-mq disabled.\n");
3130 }
3131 }
3132
3133 qlt_probe_one_stage1(base_vha, ha);
3134
3135 pci_save_state(pdev);
3136
3137 /* Assign back pointers */
3138 rsp->req = req;
3139 req->rsp = rsp;
3140
3141 if (IS_QLAFX00(ha)) {
3142 ha->rsp_q_map[0] = rsp;
3143 ha->req_q_map[0] = req;
3144 set_bit(0, ha->req_qid_map);
3145 set_bit(0, ha->rsp_qid_map);
3146 }
3147
3148 /* FWI2-capable only. */
3149 req->req_q_in = &ha->iobase->isp24.req_q_in;
3150 req->req_q_out = &ha->iobase->isp24.req_q_out;
3151 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3152 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3153 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3154 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3155 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3156 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3157 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
3158 }
3159
3160 if (IS_QLAFX00(ha)) {
3161 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3162 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3163 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3164 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3165 }
3166
3167 if (IS_P3P_TYPE(ha)) {
3168 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3169 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3170 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3171 }
3172
3173 ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3174 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3175 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3176 ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3177 "req->req_q_in=%p req->req_q_out=%p "
3178 "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3179 req->req_q_in, req->req_q_out,
3180 rsp->rsp_q_in, rsp->rsp_q_out);
3181 ql_dbg(ql_dbg_init, base_vha, 0x003e,
3182 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3183 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3184 ql_dbg(ql_dbg_init, base_vha, 0x003f,
3185 "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3186 req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3187
3188 ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3189
3190 if (ha->isp_ops->initialize_adapter(base_vha)) {
3191 ql_log(ql_log_fatal, base_vha, 0x00d6,
3192 "Failed to initialize adapter - Adapter flags %x.\n",
3193 base_vha->device_flags);
3194
3195 if (IS_QLA82XX(ha)) {
3196 qla82xx_idc_lock(ha);
3197 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3198 QLA8XXX_DEV_FAILED);
3199 qla82xx_idc_unlock(ha);
3200 ql_log(ql_log_fatal, base_vha, 0x00d7,
3201 "HW State: FAILED.\n");
3202 } else if (IS_QLA8044(ha)) {
3203 qla8044_idc_lock(ha);
3204 qla8044_wr_direct(base_vha,
3205 QLA8044_CRB_DEV_STATE_INDEX,
3206 QLA8XXX_DEV_FAILED);
3207 qla8044_idc_unlock(ha);
3208 ql_log(ql_log_fatal, base_vha, 0x0150,
3209 "HW State: FAILED.\n");
3210 }
3211
3212 ret = -ENODEV;
3213 goto probe_failed;
3214 }
3215
3216 if (IS_QLAFX00(ha))
3217 host->can_queue = QLAFX00_MAX_CANQUEUE;
3218 else
3219 host->can_queue = req->num_outstanding_cmds - 10;
3220
3221 ql_dbg(ql_dbg_init, base_vha, 0x0032,
3222 "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3223 host->can_queue, base_vha->req,
3224 base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3225
3226 if (ha->mqenable) {
3227 bool mq = false;
3228 bool startit = false;
3229
3230 if (QLA_TGT_MODE_ENABLED()) {
3231 mq = true;
3232 startit = false;
3233 }
3234
3235 if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
3236 shost_use_blk_mq(host)) {
3237 mq = true;
3238 startit = true;
3239 }
3240
3241 if (mq) {
3242 /* Create start of day qpairs for Block MQ */
3243 for (i = 0; i < ha->max_qpairs; i++)
3244 qla2xxx_create_qpair(base_vha, 5, 0, startit);
3245 }
3246 }
3247
3248 if (ha->flags.running_gold_fw)
3249 goto skip_dpc;
3250
3251 /*
3252 * Startup the kernel thread for this host adapter
3253 */
3254 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3255 "%s_dpc", base_vha->host_str);
3256 if (IS_ERR(ha->dpc_thread)) {
3257 ql_log(ql_log_fatal, base_vha, 0x00ed,
3258 "Failed to start DPC thread.\n");
3259 ret = PTR_ERR(ha->dpc_thread);
3260 ha->dpc_thread = NULL;
3261 goto probe_failed;
3262 }
3263 ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3264 "DPC thread started successfully.\n");
3265
3266 /*
3267 * If we're not coming up in initiator mode, we might sit for
3268 * a while without waking up the dpc thread, which leads to a
3269 * stuck process warning. So just kick the dpc once here and
3270 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3271 */
3272 qla2xxx_wake_dpc(base_vha);
3273
3274 INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3275
3276 if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3277 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3278 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3279 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3280
3281 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3282 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3283 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3284 INIT_WORK(&ha->idc_state_handler,
3285 qla83xx_idc_state_handler_work);
3286 INIT_WORK(&ha->nic_core_unrecoverable,
3287 qla83xx_nic_core_unrecoverable_work);
3288 }
3289
3290 skip_dpc:
3291 list_add_tail(&base_vha->list, &ha->vp_list);
3292 base_vha->host->irq = ha->pdev->irq;
3293
3294 /* Initialized the timer */
3295 qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3296 ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3297 "Started qla2x00_timer with "
3298 "interval=%d.\n", WATCH_INTERVAL);
3299 ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3300 "Detected hba at address=%p.\n",
3301 ha);
3302
3303 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3304 if (ha->fw_attributes & BIT_4) {
3305 int prot = 0, guard;
3306 base_vha->flags.difdix_supported = 1;
3307 ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3308 "Registering for DIF/DIX type 1 and 3 protection.\n");
3309 if (ql2xenabledif == 1)
3310 prot = SHOST_DIX_TYPE0_PROTECTION;
3311 scsi_host_set_prot(host,
3312 prot | SHOST_DIF_TYPE1_PROTECTION
3313 | SHOST_DIF_TYPE2_PROTECTION
3314 | SHOST_DIF_TYPE3_PROTECTION
3315 | SHOST_DIX_TYPE1_PROTECTION
3316 | SHOST_DIX_TYPE2_PROTECTION
3317 | SHOST_DIX_TYPE3_PROTECTION);
3318
3319 guard = SHOST_DIX_GUARD_CRC;
3320
3321 if (IS_PI_IPGUARD_CAPABLE(ha) &&
3322 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3323 guard |= SHOST_DIX_GUARD_IP;
3324
3325 scsi_host_set_guard(host, guard);
3326 } else
3327 base_vha->flags.difdix_supported = 0;
3328 }
3329
3330 ha->isp_ops->enable_intrs(ha);
3331
3332 if (IS_QLAFX00(ha)) {
3333 ret = qlafx00_fx_disc(base_vha,
3334 &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3335 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3336 QLA_SG_ALL : 128;
3337 }
3338
3339 ret = scsi_add_host(host, &pdev->dev);
3340 if (ret)
3341 goto probe_failed;
3342
3343 base_vha->flags.init_done = 1;
3344 base_vha->flags.online = 1;
3345 ha->prev_minidump_failed = 0;
3346
3347 ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3348 "Init done and hba is online.\n");
3349
3350 if (qla_ini_mode_enabled(base_vha) ||
3351 qla_dual_mode_enabled(base_vha))
3352 scsi_scan_host(host);
3353 else
3354 ql_dbg(ql_dbg_init, base_vha, 0x0122,
3355 "skipping scsi_scan_host() for non-initiator port\n");
3356
3357 qla2x00_alloc_sysfs_attr(base_vha);
3358
3359 if (IS_QLAFX00(ha)) {
3360 ret = qlafx00_fx_disc(base_vha,
3361 &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3362
3363 /* Register system information */
3364 ret = qlafx00_fx_disc(base_vha,
3365 &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3366 }
3367
3368 qla2x00_init_host_attr(base_vha);
3369
3370 qla2x00_dfs_setup(base_vha);
3371
3372 ql_log(ql_log_info, base_vha, 0x00fb,
3373 "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3374 ql_log(ql_log_info, base_vha, 0x00fc,
3375 "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3376 pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
3377 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3378 base_vha->host_no,
3379 ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3380
3381 qlt_add_target(ha, base_vha);
3382
3383 clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3384
3385 if (test_bit(UNLOADING, &base_vha->dpc_flags))
3386 return -ENODEV;
3387
3388 if (ha->flags.detected_lr_sfp) {
3389 ql_log(ql_log_info, base_vha, 0xffff,
3390 "Reset chip to pick up LR SFP setting\n");
3391 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
3392 qla2xxx_wake_dpc(base_vha);
3393 }
3394
3395 return 0;
3396
3397 probe_failed:
3398 if (base_vha->timer_active)
3399 qla2x00_stop_timer(base_vha);
3400 base_vha->flags.online = 0;
3401 if (ha->dpc_thread) {
3402 struct task_struct *t = ha->dpc_thread;
3403
3404 ha->dpc_thread = NULL;
3405 kthread_stop(t);
3406 }
3407
3408 qla2x00_free_device(base_vha);
3409 scsi_host_put(base_vha->host);
3410 /*
3411 * Need to NULL out local req/rsp after
3412 * qla2x00_free_device => qla2x00_free_queues frees
3413 * what these are pointing to. Or else we'll
3414 * fall over below in qla2x00_free_req/rsp_que.
3415 */
3416 req = NULL;
3417 rsp = NULL;
3418
3419 probe_hw_failed:
3420 qla2x00_mem_free(ha);
3421 qla2x00_free_req_que(ha, req);
3422 qla2x00_free_rsp_que(ha, rsp);
3423 qla2x00_clear_drv_active(ha);
3424
3425 iospace_config_failed:
3426 if (IS_P3P_TYPE(ha)) {
3427 if (!ha->nx_pcibase)
3428 iounmap((device_reg_t *)ha->nx_pcibase);
3429 if (!ql2xdbwr)
3430 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3431 } else {
3432 if (ha->iobase)
3433 iounmap(ha->iobase);
3434 if (ha->cregbase)
3435 iounmap(ha->cregbase);
3436 }
3437 pci_release_selected_regions(ha->pdev, ha->bars);
3438 kfree(ha);
3439
3440 disable_device:
3441 pci_disable_device(pdev);
3442 return ret;
3443 }
3444
3445 static void
qla2x00_shutdown(struct pci_dev * pdev)3446 qla2x00_shutdown(struct pci_dev *pdev)
3447 {
3448 scsi_qla_host_t *vha;
3449 struct qla_hw_data *ha;
3450
3451 vha = pci_get_drvdata(pdev);
3452 ha = vha->hw;
3453
3454 ql_log(ql_log_info, vha, 0xfffa,
3455 "Adapter shutdown\n");
3456
3457 /*
3458 * Prevent future board_disable and wait
3459 * until any pending board_disable has completed.
3460 */
3461 set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
3462 cancel_work_sync(&ha->board_disable);
3463
3464 if (!atomic_read(&pdev->enable_cnt))
3465 return;
3466
3467 /* Notify ISPFX00 firmware */
3468 if (IS_QLAFX00(ha))
3469 qlafx00_driver_shutdown(vha, 20);
3470
3471 /* Turn-off FCE trace */
3472 if (ha->flags.fce_enabled) {
3473 qla2x00_disable_fce_trace(vha, NULL, NULL);
3474 ha->flags.fce_enabled = 0;
3475 }
3476
3477 /* Turn-off EFT trace */
3478 if (ha->eft)
3479 qla2x00_disable_eft_trace(vha);
3480
3481 if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3482 if (ha->flags.fw_started)
3483 qla2x00_abort_isp_cleanup(vha);
3484 } else {
3485 /* Stop currently executing firmware. */
3486 qla2x00_try_to_stop_firmware(vha);
3487 }
3488
3489 /* Turn adapter off line */
3490 vha->flags.online = 0;
3491
3492 /* turn-off interrupts on the card */
3493 if (ha->interrupts_on) {
3494 vha->flags.init_done = 0;
3495 ha->isp_ops->disable_intrs(ha);
3496 }
3497
3498 qla2x00_free_irqs(vha);
3499
3500 qla2x00_free_fw_dump(ha);
3501
3502 pci_disable_device(pdev);
3503 ql_log(ql_log_info, vha, 0xfffe,
3504 "Adapter shutdown successfully.\n");
3505 }
3506
3507 /* Deletes all the virtual ports for a given ha */
3508 static void
qla2x00_delete_all_vps(struct qla_hw_data * ha,scsi_qla_host_t * base_vha)3509 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3510 {
3511 scsi_qla_host_t *vha;
3512 unsigned long flags;
3513
3514 mutex_lock(&ha->vport_lock);
3515 while (ha->cur_vport_count) {
3516 spin_lock_irqsave(&ha->vport_slock, flags);
3517
3518 BUG_ON(base_vha->list.next == &ha->vp_list);
3519 /* This assumes first entry in ha->vp_list is always base vha */
3520 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3521 scsi_host_get(vha->host);
3522
3523 spin_unlock_irqrestore(&ha->vport_slock, flags);
3524 mutex_unlock(&ha->vport_lock);
3525
3526 fc_vport_terminate(vha->fc_vport);
3527 scsi_host_put(vha->host);
3528
3529 mutex_lock(&ha->vport_lock);
3530 }
3531 mutex_unlock(&ha->vport_lock);
3532 }
3533
3534 /* Stops all deferred work threads */
3535 static void
qla2x00_destroy_deferred_work(struct qla_hw_data * ha)3536 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3537 {
3538 /* Cancel all work and destroy DPC workqueues */
3539 if (ha->dpc_lp_wq) {
3540 cancel_work_sync(&ha->idc_aen);
3541 destroy_workqueue(ha->dpc_lp_wq);
3542 ha->dpc_lp_wq = NULL;
3543 }
3544
3545 if (ha->dpc_hp_wq) {
3546 cancel_work_sync(&ha->nic_core_reset);
3547 cancel_work_sync(&ha->idc_state_handler);
3548 cancel_work_sync(&ha->nic_core_unrecoverable);
3549 destroy_workqueue(ha->dpc_hp_wq);
3550 ha->dpc_hp_wq = NULL;
3551 }
3552
3553 /* Kill the kernel thread for this host */
3554 if (ha->dpc_thread) {
3555 struct task_struct *t = ha->dpc_thread;
3556
3557 /*
3558 * qla2xxx_wake_dpc checks for ->dpc_thread
3559 * so we need to zero it out.
3560 */
3561 ha->dpc_thread = NULL;
3562 kthread_stop(t);
3563 }
3564 }
3565
3566 static void
qla2x00_unmap_iobases(struct qla_hw_data * ha)3567 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3568 {
3569 if (IS_QLA82XX(ha)) {
3570
3571 iounmap((device_reg_t *)ha->nx_pcibase);
3572 if (!ql2xdbwr)
3573 iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3574 } else {
3575 if (ha->iobase)
3576 iounmap(ha->iobase);
3577
3578 if (ha->cregbase)
3579 iounmap(ha->cregbase);
3580
3581 if (ha->mqiobase)
3582 iounmap(ha->mqiobase);
3583
3584 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3585 iounmap(ha->msixbase);
3586 }
3587 }
3588
3589 static void
qla2x00_clear_drv_active(struct qla_hw_data * ha)3590 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3591 {
3592 if (IS_QLA8044(ha)) {
3593 qla8044_idc_lock(ha);
3594 qla8044_clear_drv_active(ha);
3595 qla8044_idc_unlock(ha);
3596 } else if (IS_QLA82XX(ha)) {
3597 qla82xx_idc_lock(ha);
3598 qla82xx_clear_drv_active(ha);
3599 qla82xx_idc_unlock(ha);
3600 }
3601 }
3602
3603 static void
qla2x00_remove_one(struct pci_dev * pdev)3604 qla2x00_remove_one(struct pci_dev *pdev)
3605 {
3606 scsi_qla_host_t *base_vha;
3607 struct qla_hw_data *ha;
3608
3609 base_vha = pci_get_drvdata(pdev);
3610 ha = base_vha->hw;
3611 ql_log(ql_log_info, base_vha, 0xb079,
3612 "Removing driver\n");
3613
3614 /* Indicate device removal to prevent future board_disable and wait
3615 * until any pending board_disable has completed. */
3616 set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3617 cancel_work_sync(&ha->board_disable);
3618
3619 /*
3620 * If the PCI device is disabled then there was a PCI-disconnect and
3621 * qla2x00_disable_board_on_pci_error has taken care of most of the
3622 * resources.
3623 */
3624 if (!atomic_read(&pdev->enable_cnt)) {
3625 dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3626 base_vha->gnl.l, base_vha->gnl.ldma);
3627
3628 scsi_host_put(base_vha->host);
3629 kfree(ha);
3630 pci_set_drvdata(pdev, NULL);
3631 return;
3632 }
3633 qla2x00_wait_for_hba_ready(base_vha);
3634
3635 if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3636 if (ha->flags.fw_started)
3637 qla2x00_abort_isp_cleanup(base_vha);
3638 } else if (!IS_QLAFX00(ha)) {
3639 if (IS_QLA8031(ha)) {
3640 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3641 "Clearing fcoe driver presence.\n");
3642 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3643 ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3644 "Error while clearing DRV-Presence.\n");
3645 }
3646
3647 qla2x00_try_to_stop_firmware(base_vha);
3648 }
3649
3650 qla2x00_wait_for_sess_deletion(base_vha);
3651
3652 /*
3653 * if UNLOAD flag is already set, then continue unload,
3654 * where it was set first.
3655 */
3656 if (test_bit(UNLOADING, &base_vha->dpc_flags))
3657 return;
3658
3659 set_bit(UNLOADING, &base_vha->dpc_flags);
3660
3661 qla_nvme_delete(base_vha);
3662
3663 dma_free_coherent(&ha->pdev->dev,
3664 base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3665
3666 vfree(base_vha->scan.l);
3667
3668 if (IS_QLAFX00(ha))
3669 qlafx00_driver_shutdown(base_vha, 20);
3670
3671 qla2x00_delete_all_vps(ha, base_vha);
3672
3673 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3674
3675 qla2x00_dfs_remove(base_vha);
3676
3677 qla84xx_put_chip(base_vha);
3678
3679 /* Disable timer */
3680 if (base_vha->timer_active)
3681 qla2x00_stop_timer(base_vha);
3682
3683 base_vha->flags.online = 0;
3684
3685 /* free DMA memory */
3686 if (ha->exlogin_buf)
3687 qla2x00_free_exlogin_buffer(ha);
3688
3689 /* free DMA memory */
3690 if (ha->exchoffld_buf)
3691 qla2x00_free_exchoffld_buffer(ha);
3692
3693 qla2x00_destroy_deferred_work(ha);
3694
3695 qlt_remove_target(ha, base_vha);
3696
3697 qla2x00_free_sysfs_attr(base_vha, true);
3698
3699 fc_remove_host(base_vha->host);
3700 qlt_remove_target_resources(ha);
3701
3702 scsi_remove_host(base_vha->host);
3703
3704 qla2x00_free_device(base_vha);
3705
3706 qla2x00_clear_drv_active(ha);
3707
3708 scsi_host_put(base_vha->host);
3709
3710 qla2x00_unmap_iobases(ha);
3711
3712 pci_release_selected_regions(ha->pdev, ha->bars);
3713 kfree(ha);
3714
3715 pci_disable_pcie_error_reporting(pdev);
3716
3717 pci_disable_device(pdev);
3718 }
3719
3720 static void
qla2x00_free_device(scsi_qla_host_t * vha)3721 qla2x00_free_device(scsi_qla_host_t *vha)
3722 {
3723 struct qla_hw_data *ha = vha->hw;
3724
3725 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3726
3727 /* Disable timer */
3728 if (vha->timer_active)
3729 qla2x00_stop_timer(vha);
3730
3731 qla25xx_delete_queues(vha);
3732 vha->flags.online = 0;
3733
3734 /* turn-off interrupts on the card */
3735 if (ha->interrupts_on) {
3736 vha->flags.init_done = 0;
3737 ha->isp_ops->disable_intrs(ha);
3738 }
3739
3740 qla2x00_free_fcports(vha);
3741
3742 qla2x00_free_irqs(vha);
3743
3744 /* Flush the work queue and remove it */
3745 if (ha->wq) {
3746 flush_workqueue(ha->wq);
3747 destroy_workqueue(ha->wq);
3748 ha->wq = NULL;
3749 }
3750
3751
3752 qla2x00_mem_free(ha);
3753
3754 qla82xx_md_free(vha);
3755
3756 qla2x00_free_queues(ha);
3757 }
3758
qla2x00_free_fcports(struct scsi_qla_host * vha)3759 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3760 {
3761 fc_port_t *fcport, *tfcport;
3762
3763 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3764 list_del(&fcport->list);
3765 qla2x00_clear_loop_id(fcport);
3766 kfree(fcport);
3767 }
3768 }
3769
3770 static inline void
qla2x00_schedule_rport_del(struct scsi_qla_host * vha,fc_port_t * fcport,int defer)3771 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3772 int defer)
3773 {
3774 struct fc_rport *rport;
3775 scsi_qla_host_t *base_vha;
3776 unsigned long flags;
3777
3778 if (!fcport->rport)
3779 return;
3780
3781 rport = fcport->rport;
3782 if (defer) {
3783 base_vha = pci_get_drvdata(vha->hw->pdev);
3784 spin_lock_irqsave(vha->host->host_lock, flags);
3785 fcport->drport = rport;
3786 spin_unlock_irqrestore(vha->host->host_lock, flags);
3787 qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3788 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3789 qla2xxx_wake_dpc(base_vha);
3790 } else {
3791 int now;
3792 if (rport) {
3793 ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3794 "%s %8phN. rport %p roles %x\n",
3795 __func__, fcport->port_name, rport,
3796 rport->roles);
3797 fc_remote_port_delete(rport);
3798 }
3799 qlt_do_generation_tick(vha, &now);
3800 }
3801 }
3802
3803 /*
3804 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3805 *
3806 * Input: ha = adapter block pointer. fcport = port structure pointer.
3807 *
3808 * Return: None.
3809 *
3810 * Context:
3811 */
qla2x00_mark_device_lost(scsi_qla_host_t * vha,fc_port_t * fcport,int do_login,int defer)3812 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3813 int do_login, int defer)
3814 {
3815 if (IS_QLAFX00(vha->hw)) {
3816 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3817 qla2x00_schedule_rport_del(vha, fcport, defer);
3818 return;
3819 }
3820
3821 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3822 vha->vp_idx == fcport->vha->vp_idx) {
3823 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3824 qla2x00_schedule_rport_del(vha, fcport, defer);
3825 }
3826 /*
3827 * We may need to retry the login, so don't change the state of the
3828 * port but do the retries.
3829 */
3830 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3831 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3832
3833 if (!do_login)
3834 return;
3835
3836 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3837 }
3838
3839 /*
3840 * qla2x00_mark_all_devices_lost
3841 * Updates fcport state when device goes offline.
3842 *
3843 * Input:
3844 * ha = adapter block pointer.
3845 * fcport = port structure pointer.
3846 *
3847 * Return:
3848 * None.
3849 *
3850 * Context:
3851 */
3852 void
qla2x00_mark_all_devices_lost(scsi_qla_host_t * vha,int defer)3853 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3854 {
3855 fc_port_t *fcport;
3856
3857 ql_dbg(ql_dbg_disc, vha, 0x20f1,
3858 "Mark all dev lost\n");
3859
3860 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3861 fcport->scan_state = 0;
3862 qlt_schedule_sess_for_deletion(fcport);
3863
3864 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3865 continue;
3866
3867 /*
3868 * No point in marking the device as lost, if the device is
3869 * already DEAD.
3870 */
3871 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3872 continue;
3873 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3874 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3875 if (defer)
3876 qla2x00_schedule_rport_del(vha, fcport, defer);
3877 else if (vha->vp_idx == fcport->vha->vp_idx)
3878 qla2x00_schedule_rport_del(vha, fcport, defer);
3879 }
3880 }
3881 }
3882
3883 /*
3884 * qla2x00_mem_alloc
3885 * Allocates adapter memory.
3886 *
3887 * Returns:
3888 * 0 = success.
3889 * !0 = failure.
3890 */
3891 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)3892 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3893 struct req_que **req, struct rsp_que **rsp)
3894 {
3895 char name[16];
3896
3897 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3898 &ha->init_cb_dma, GFP_KERNEL);
3899 if (!ha->init_cb)
3900 goto fail;
3901
3902 if (qlt_mem_alloc(ha) < 0)
3903 goto fail_free_init_cb;
3904
3905 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3906 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3907 if (!ha->gid_list)
3908 goto fail_free_tgt_mem;
3909
3910 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3911 if (!ha->srb_mempool)
3912 goto fail_free_gid_list;
3913
3914 if (IS_P3P_TYPE(ha)) {
3915 /* Allocate cache for CT6 Ctx. */
3916 if (!ctx_cachep) {
3917 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3918 sizeof(struct ct6_dsd), 0,
3919 SLAB_HWCACHE_ALIGN, NULL);
3920 if (!ctx_cachep)
3921 goto fail_free_srb_mempool;
3922 }
3923 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3924 ctx_cachep);
3925 if (!ha->ctx_mempool)
3926 goto fail_free_srb_mempool;
3927 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3928 "ctx_cachep=%p ctx_mempool=%p.\n",
3929 ctx_cachep, ha->ctx_mempool);
3930 }
3931
3932 /* Get memory for cached NVRAM */
3933 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3934 if (!ha->nvram)
3935 goto fail_free_ctx_mempool;
3936
3937 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3938 ha->pdev->device);
3939 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3940 DMA_POOL_SIZE, 8, 0);
3941 if (!ha->s_dma_pool)
3942 goto fail_free_nvram;
3943
3944 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3945 "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3946 ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3947
3948 if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3949 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3950 DSD_LIST_DMA_POOL_SIZE, 8, 0);
3951 if (!ha->dl_dma_pool) {
3952 ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3953 "Failed to allocate memory for dl_dma_pool.\n");
3954 goto fail_s_dma_pool;
3955 }
3956
3957 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3958 FCP_CMND_DMA_POOL_SIZE, 8, 0);
3959 if (!ha->fcp_cmnd_dma_pool) {
3960 ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3961 "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3962 goto fail_dl_dma_pool;
3963 }
3964 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3965 "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3966 ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3967 }
3968
3969 /* Allocate memory for SNS commands */
3970 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3971 /* Get consistent memory allocated for SNS commands */
3972 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3973 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3974 if (!ha->sns_cmd)
3975 goto fail_dma_pool;
3976 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3977 "sns_cmd: %p.\n", ha->sns_cmd);
3978 } else {
3979 /* Get consistent memory allocated for MS IOCB */
3980 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3981 &ha->ms_iocb_dma);
3982 if (!ha->ms_iocb)
3983 goto fail_dma_pool;
3984 /* Get consistent memory allocated for CT SNS commands */
3985 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3986 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3987 if (!ha->ct_sns)
3988 goto fail_free_ms_iocb;
3989 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3990 "ms_iocb=%p ct_sns=%p.\n",
3991 ha->ms_iocb, ha->ct_sns);
3992 }
3993
3994 /* Allocate memory for request ring */
3995 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3996 if (!*req) {
3997 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3998 "Failed to allocate memory for req.\n");
3999 goto fail_req;
4000 }
4001 (*req)->length = req_len;
4002 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4003 ((*req)->length + 1) * sizeof(request_t),
4004 &(*req)->dma, GFP_KERNEL);
4005 if (!(*req)->ring) {
4006 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4007 "Failed to allocate memory for req_ring.\n");
4008 goto fail_req_ring;
4009 }
4010 /* Allocate memory for response ring */
4011 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4012 if (!*rsp) {
4013 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4014 "Failed to allocate memory for rsp.\n");
4015 goto fail_rsp;
4016 }
4017 (*rsp)->hw = ha;
4018 (*rsp)->length = rsp_len;
4019 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4020 ((*rsp)->length + 1) * sizeof(response_t),
4021 &(*rsp)->dma, GFP_KERNEL);
4022 if (!(*rsp)->ring) {
4023 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4024 "Failed to allocate memory for rsp_ring.\n");
4025 goto fail_rsp_ring;
4026 }
4027 (*req)->rsp = *rsp;
4028 (*rsp)->req = *req;
4029 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4030 "req=%p req->length=%d req->ring=%p rsp=%p "
4031 "rsp->length=%d rsp->ring=%p.\n",
4032 *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4033 (*rsp)->ring);
4034 /* Allocate memory for NVRAM data for vports */
4035 if (ha->nvram_npiv_size) {
4036 ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4037 sizeof(struct qla_npiv_entry),
4038 GFP_KERNEL);
4039 if (!ha->npiv_info) {
4040 ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4041 "Failed to allocate memory for npiv_info.\n");
4042 goto fail_npiv_info;
4043 }
4044 } else
4045 ha->npiv_info = NULL;
4046
4047 /* Get consistent memory allocated for EX-INIT-CB. */
4048 if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4049 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4050 &ha->ex_init_cb_dma);
4051 if (!ha->ex_init_cb)
4052 goto fail_ex_init_cb;
4053 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4054 "ex_init_cb=%p.\n", ha->ex_init_cb);
4055 }
4056
4057 INIT_LIST_HEAD(&ha->gbl_dsd_list);
4058
4059 /* Get consistent memory allocated for Async Port-Database. */
4060 if (!IS_FWI2_CAPABLE(ha)) {
4061 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4062 &ha->async_pd_dma);
4063 if (!ha->async_pd)
4064 goto fail_async_pd;
4065 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4066 "async_pd=%p.\n", ha->async_pd);
4067 }
4068
4069 INIT_LIST_HEAD(&ha->vp_list);
4070
4071 /* Allocate memory for our loop_id bitmap */
4072 ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4073 sizeof(long),
4074 GFP_KERNEL);
4075 if (!ha->loop_id_map)
4076 goto fail_loop_id_map;
4077 else {
4078 qla2x00_set_reserved_loop_ids(ha);
4079 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4080 "loop_id_map=%p.\n", ha->loop_id_map);
4081 }
4082
4083 ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4084 SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4085 if (!ha->sfp_data) {
4086 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4087 "Unable to allocate memory for SFP read-data.\n");
4088 goto fail_sfp_data;
4089 }
4090
4091 return 0;
4092
4093 fail_sfp_data:
4094 kfree(ha->loop_id_map);
4095 fail_loop_id_map:
4096 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4097 fail_async_pd:
4098 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4099 fail_ex_init_cb:
4100 kfree(ha->npiv_info);
4101 fail_npiv_info:
4102 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4103 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4104 (*rsp)->ring = NULL;
4105 (*rsp)->dma = 0;
4106 fail_rsp_ring:
4107 kfree(*rsp);
4108 *rsp = NULL;
4109 fail_rsp:
4110 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4111 sizeof(request_t), (*req)->ring, (*req)->dma);
4112 (*req)->ring = NULL;
4113 (*req)->dma = 0;
4114 fail_req_ring:
4115 kfree(*req);
4116 *req = NULL;
4117 fail_req:
4118 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4119 ha->ct_sns, ha->ct_sns_dma);
4120 ha->ct_sns = NULL;
4121 ha->ct_sns_dma = 0;
4122 fail_free_ms_iocb:
4123 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4124 ha->ms_iocb = NULL;
4125 ha->ms_iocb_dma = 0;
4126
4127 if (ha->sns_cmd)
4128 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4129 ha->sns_cmd, ha->sns_cmd_dma);
4130 fail_dma_pool:
4131 if (IS_QLA82XX(ha) || ql2xenabledif) {
4132 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4133 ha->fcp_cmnd_dma_pool = NULL;
4134 }
4135 fail_dl_dma_pool:
4136 if (IS_QLA82XX(ha) || ql2xenabledif) {
4137 dma_pool_destroy(ha->dl_dma_pool);
4138 ha->dl_dma_pool = NULL;
4139 }
4140 fail_s_dma_pool:
4141 dma_pool_destroy(ha->s_dma_pool);
4142 ha->s_dma_pool = NULL;
4143 fail_free_nvram:
4144 kfree(ha->nvram);
4145 ha->nvram = NULL;
4146 fail_free_ctx_mempool:
4147 if (ha->ctx_mempool)
4148 mempool_destroy(ha->ctx_mempool);
4149 ha->ctx_mempool = NULL;
4150 fail_free_srb_mempool:
4151 if (ha->srb_mempool)
4152 mempool_destroy(ha->srb_mempool);
4153 ha->srb_mempool = NULL;
4154 fail_free_gid_list:
4155 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4156 ha->gid_list,
4157 ha->gid_list_dma);
4158 ha->gid_list = NULL;
4159 ha->gid_list_dma = 0;
4160 fail_free_tgt_mem:
4161 qlt_mem_free(ha);
4162 fail_free_init_cb:
4163 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4164 ha->init_cb_dma);
4165 ha->init_cb = NULL;
4166 ha->init_cb_dma = 0;
4167 fail:
4168 ql_log(ql_log_fatal, NULL, 0x0030,
4169 "Memory allocation failure.\n");
4170 return -ENOMEM;
4171 }
4172
4173 int
qla2x00_set_exlogins_buffer(scsi_qla_host_t * vha)4174 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4175 {
4176 int rval;
4177 uint16_t size, max_cnt, temp;
4178 struct qla_hw_data *ha = vha->hw;
4179
4180 /* Return if we don't need to alloacate any extended logins */
4181 if (!ql2xexlogins)
4182 return QLA_SUCCESS;
4183
4184 if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4185 return QLA_SUCCESS;
4186
4187 ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4188 max_cnt = 0;
4189 rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4190 if (rval != QLA_SUCCESS) {
4191 ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4192 "Failed to get exlogin status.\n");
4193 return rval;
4194 }
4195
4196 temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4197 temp *= size;
4198
4199 if (temp != ha->exlogin_size) {
4200 qla2x00_free_exlogin_buffer(ha);
4201 ha->exlogin_size = temp;
4202
4203 ql_log(ql_log_info, vha, 0xd024,
4204 "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4205 max_cnt, size, temp);
4206
4207 ql_log(ql_log_info, vha, 0xd025,
4208 "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4209
4210 /* Get consistent memory for extended logins */
4211 ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4212 ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4213 if (!ha->exlogin_buf) {
4214 ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4215 "Failed to allocate memory for exlogin_buf_dma.\n");
4216 return -ENOMEM;
4217 }
4218 }
4219
4220 /* Now configure the dma buffer */
4221 rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4222 if (rval) {
4223 ql_log(ql_log_fatal, vha, 0xd033,
4224 "Setup extended login buffer ****FAILED****.\n");
4225 qla2x00_free_exlogin_buffer(ha);
4226 }
4227
4228 return rval;
4229 }
4230
4231 /*
4232 * qla2x00_free_exlogin_buffer
4233 *
4234 * Input:
4235 * ha = adapter block pointer
4236 */
4237 void
qla2x00_free_exlogin_buffer(struct qla_hw_data * ha)4238 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4239 {
4240 if (ha->exlogin_buf) {
4241 dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4242 ha->exlogin_buf, ha->exlogin_buf_dma);
4243 ha->exlogin_buf = NULL;
4244 ha->exlogin_size = 0;
4245 }
4246 }
4247
4248 static void
qla2x00_number_of_exch(scsi_qla_host_t * vha,u32 * ret_cnt,u16 max_cnt)4249 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4250 {
4251 u32 temp;
4252 *ret_cnt = FW_DEF_EXCHANGES_CNT;
4253
4254 if (max_cnt > vha->hw->max_exchg)
4255 max_cnt = vha->hw->max_exchg;
4256
4257 if (qla_ini_mode_enabled(vha)) {
4258 if (ql2xiniexchg > max_cnt)
4259 ql2xiniexchg = max_cnt;
4260
4261 if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4262 *ret_cnt = ql2xiniexchg;
4263 } else if (qla_tgt_mode_enabled(vha)) {
4264 if (ql2xexchoffld > max_cnt)
4265 ql2xexchoffld = max_cnt;
4266
4267 if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4268 *ret_cnt = ql2xexchoffld;
4269 } else if (qla_dual_mode_enabled(vha)) {
4270 temp = ql2xiniexchg + ql2xexchoffld;
4271 if (temp > max_cnt) {
4272 ql2xiniexchg -= (temp - max_cnt)/2;
4273 ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4274 temp = max_cnt;
4275 }
4276
4277 if (temp > FW_DEF_EXCHANGES_CNT)
4278 *ret_cnt = temp;
4279 }
4280 }
4281
4282 int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t * vha)4283 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4284 {
4285 int rval;
4286 u16 size, max_cnt;
4287 u32 actual_cnt, totsz;
4288 struct qla_hw_data *ha = vha->hw;
4289
4290 if (!ha->flags.exchoffld_enabled)
4291 return QLA_SUCCESS;
4292
4293 if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4294 return QLA_SUCCESS;
4295
4296 max_cnt = 0;
4297 rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4298 if (rval != QLA_SUCCESS) {
4299 ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4300 "Failed to get exlogin status.\n");
4301 return rval;
4302 }
4303
4304 qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4305 ql_log(ql_log_info, vha, 0xd014,
4306 "Actual exchange offload count: %d.\n", actual_cnt);
4307
4308 totsz = actual_cnt * size;
4309
4310 if (totsz != ha->exchoffld_size) {
4311 qla2x00_free_exchoffld_buffer(ha);
4312 ha->exchoffld_size = totsz;
4313
4314 ql_log(ql_log_info, vha, 0xd016,
4315 "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4316 max_cnt, actual_cnt, size, totsz);
4317
4318 ql_log(ql_log_info, vha, 0xd017,
4319 "Exchange Buffers requested size = 0x%x\n",
4320 ha->exchoffld_size);
4321
4322 /* Get consistent memory for extended logins */
4323 ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4324 ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4325 if (!ha->exchoffld_buf) {
4326 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4327 "Failed to allocate memory for Exchange Offload.\n");
4328
4329 if (ha->max_exchg >
4330 (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4331 ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4332 } else if (ha->max_exchg >
4333 (FW_DEF_EXCHANGES_CNT + 512)) {
4334 ha->max_exchg -= 512;
4335 } else {
4336 ha->flags.exchoffld_enabled = 0;
4337 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4338 "Disabling Exchange offload due to lack of memory\n");
4339 }
4340 ha->exchoffld_size = 0;
4341
4342 return -ENOMEM;
4343 }
4344 }
4345
4346 /* Now configure the dma buffer */
4347 rval = qla_set_exchoffld_mem_cfg(vha);
4348 if (rval) {
4349 ql_log(ql_log_fatal, vha, 0xd02e,
4350 "Setup exchange offload buffer ****FAILED****.\n");
4351 qla2x00_free_exchoffld_buffer(ha);
4352 } else {
4353 /* re-adjust number of target exchange */
4354 struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4355
4356 if (qla_ini_mode_enabled(vha))
4357 icb->exchange_count = 0;
4358 else
4359 icb->exchange_count = cpu_to_le16(ql2xexchoffld);
4360 }
4361
4362 return rval;
4363 }
4364
4365 /*
4366 * qla2x00_free_exchoffld_buffer
4367 *
4368 * Input:
4369 * ha = adapter block pointer
4370 */
4371 void
qla2x00_free_exchoffld_buffer(struct qla_hw_data * ha)4372 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4373 {
4374 if (ha->exchoffld_buf) {
4375 dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4376 ha->exchoffld_buf, ha->exchoffld_buf_dma);
4377 ha->exchoffld_buf = NULL;
4378 ha->exchoffld_size = 0;
4379 }
4380 }
4381
4382 /*
4383 * qla2x00_free_fw_dump
4384 * Frees fw dump stuff.
4385 *
4386 * Input:
4387 * ha = adapter block pointer
4388 */
4389 static void
qla2x00_free_fw_dump(struct qla_hw_data * ha)4390 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4391 {
4392 if (ha->fce)
4393 dma_free_coherent(&ha->pdev->dev,
4394 FCE_SIZE, ha->fce, ha->fce_dma);
4395
4396 if (ha->eft)
4397 dma_free_coherent(&ha->pdev->dev,
4398 EFT_SIZE, ha->eft, ha->eft_dma);
4399
4400 if (ha->fw_dump)
4401 vfree(ha->fw_dump);
4402 if (ha->fw_dump_template)
4403 vfree(ha->fw_dump_template);
4404
4405 ha->fce = NULL;
4406 ha->fce_dma = 0;
4407 ha->eft = NULL;
4408 ha->eft_dma = 0;
4409 ha->fw_dumped = 0;
4410 ha->fw_dump_cap_flags = 0;
4411 ha->fw_dump_reading = 0;
4412 ha->fw_dump = NULL;
4413 ha->fw_dump_len = 0;
4414 ha->fw_dump_template = NULL;
4415 ha->fw_dump_template_len = 0;
4416 }
4417
4418 /*
4419 * qla2x00_mem_free
4420 * Frees all adapter allocated memory.
4421 *
4422 * Input:
4423 * ha = adapter block pointer.
4424 */
4425 static void
qla2x00_mem_free(struct qla_hw_data * ha)4426 qla2x00_mem_free(struct qla_hw_data *ha)
4427 {
4428 qla2x00_free_fw_dump(ha);
4429
4430 if (ha->mctp_dump)
4431 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4432 ha->mctp_dump_dma);
4433
4434 if (ha->srb_mempool)
4435 mempool_destroy(ha->srb_mempool);
4436
4437 if (ha->dcbx_tlv)
4438 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4439 ha->dcbx_tlv, ha->dcbx_tlv_dma);
4440
4441 if (ha->xgmac_data)
4442 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4443 ha->xgmac_data, ha->xgmac_data_dma);
4444
4445 if (ha->sns_cmd)
4446 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4447 ha->sns_cmd, ha->sns_cmd_dma);
4448
4449 if (ha->ct_sns)
4450 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4451 ha->ct_sns, ha->ct_sns_dma);
4452
4453 if (ha->sfp_data)
4454 dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4455 ha->sfp_data_dma);
4456
4457 if (ha->ms_iocb)
4458 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4459
4460 if (ha->ex_init_cb)
4461 dma_pool_free(ha->s_dma_pool,
4462 ha->ex_init_cb, ha->ex_init_cb_dma);
4463
4464 if (ha->async_pd)
4465 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4466
4467 if (ha->s_dma_pool)
4468 dma_pool_destroy(ha->s_dma_pool);
4469
4470 if (ha->gid_list)
4471 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4472 ha->gid_list, ha->gid_list_dma);
4473
4474 if (IS_QLA82XX(ha)) {
4475 if (!list_empty(&ha->gbl_dsd_list)) {
4476 struct dsd_dma *dsd_ptr, *tdsd_ptr;
4477
4478 /* clean up allocated prev pool */
4479 list_for_each_entry_safe(dsd_ptr,
4480 tdsd_ptr, &ha->gbl_dsd_list, list) {
4481 dma_pool_free(ha->dl_dma_pool,
4482 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4483 list_del(&dsd_ptr->list);
4484 kfree(dsd_ptr);
4485 }
4486 }
4487 }
4488
4489 if (ha->dl_dma_pool)
4490 dma_pool_destroy(ha->dl_dma_pool);
4491
4492 if (ha->fcp_cmnd_dma_pool)
4493 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4494
4495 if (ha->ctx_mempool)
4496 mempool_destroy(ha->ctx_mempool);
4497
4498 qlt_mem_free(ha);
4499
4500 if (ha->init_cb)
4501 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4502 ha->init_cb, ha->init_cb_dma);
4503
4504 vfree(ha->optrom_buffer);
4505 kfree(ha->nvram);
4506 kfree(ha->npiv_info);
4507 kfree(ha->swl);
4508 kfree(ha->loop_id_map);
4509
4510 ha->srb_mempool = NULL;
4511 ha->ctx_mempool = NULL;
4512 ha->sns_cmd = NULL;
4513 ha->sns_cmd_dma = 0;
4514 ha->ct_sns = NULL;
4515 ha->ct_sns_dma = 0;
4516 ha->ms_iocb = NULL;
4517 ha->ms_iocb_dma = 0;
4518 ha->init_cb = NULL;
4519 ha->init_cb_dma = 0;
4520 ha->ex_init_cb = NULL;
4521 ha->ex_init_cb_dma = 0;
4522 ha->async_pd = NULL;
4523 ha->async_pd_dma = 0;
4524 ha->loop_id_map = NULL;
4525 ha->npiv_info = NULL;
4526 ha->optrom_buffer = NULL;
4527 ha->swl = NULL;
4528 ha->nvram = NULL;
4529 ha->mctp_dump = NULL;
4530 ha->dcbx_tlv = NULL;
4531 ha->xgmac_data = NULL;
4532 ha->sfp_data = NULL;
4533
4534 ha->s_dma_pool = NULL;
4535 ha->dl_dma_pool = NULL;
4536 ha->fcp_cmnd_dma_pool = NULL;
4537
4538 ha->gid_list = NULL;
4539 ha->gid_list_dma = 0;
4540
4541 ha->tgt.atio_ring = NULL;
4542 ha->tgt.atio_dma = 0;
4543 ha->tgt.tgt_vp_map = NULL;
4544 }
4545
qla2x00_create_host(struct scsi_host_template * sht,struct qla_hw_data * ha)4546 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4547 struct qla_hw_data *ha)
4548 {
4549 struct Scsi_Host *host;
4550 struct scsi_qla_host *vha = NULL;
4551
4552 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4553 if (!host) {
4554 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4555 "Failed to allocate host from the scsi layer, aborting.\n");
4556 return NULL;
4557 }
4558
4559 /* Clear our data area */
4560 vha = shost_priv(host);
4561 memset(vha, 0, sizeof(scsi_qla_host_t));
4562
4563 vha->host = host;
4564 vha->host_no = host->host_no;
4565 vha->hw = ha;
4566
4567 INIT_LIST_HEAD(&vha->vp_fcports);
4568 INIT_LIST_HEAD(&vha->work_list);
4569 INIT_LIST_HEAD(&vha->list);
4570 INIT_LIST_HEAD(&vha->qla_cmd_list);
4571 INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4572 INIT_LIST_HEAD(&vha->logo_list);
4573 INIT_LIST_HEAD(&vha->plogi_ack_list);
4574 INIT_LIST_HEAD(&vha->qp_list);
4575 INIT_LIST_HEAD(&vha->gnl.fcports);
4576 INIT_LIST_HEAD(&vha->nvme_rport_list);
4577 INIT_LIST_HEAD(&vha->gpnid_list);
4578 INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4579
4580 spin_lock_init(&vha->work_lock);
4581 spin_lock_init(&vha->cmd_list_lock);
4582 spin_lock_init(&vha->gnl.fcports_lock);
4583 init_waitqueue_head(&vha->fcport_waitQ);
4584 init_waitqueue_head(&vha->vref_waitq);
4585
4586 vha->gnl.size = sizeof(struct get_name_list_extended) *
4587 (ha->max_loop_id + 1);
4588 vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4589 vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4590 if (!vha->gnl.l) {
4591 ql_log(ql_log_fatal, vha, 0xd04a,
4592 "Alloc failed for name list.\n");
4593 scsi_remove_host(vha->host);
4594 return NULL;
4595 }
4596
4597 /* todo: what about ext login? */
4598 vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4599 vha->scan.l = vmalloc(vha->scan.size);
4600 if (!vha->scan.l) {
4601 ql_log(ql_log_fatal, vha, 0xd04a,
4602 "Alloc failed for scan database.\n");
4603 dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4604 vha->gnl.l, vha->gnl.ldma);
4605 scsi_remove_host(vha->host);
4606 return NULL;
4607 }
4608 INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4609
4610 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4611 ql_dbg(ql_dbg_init, vha, 0x0041,
4612 "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4613 vha->host, vha->hw, vha,
4614 dev_name(&(ha->pdev->dev)));
4615
4616 return vha;
4617 }
4618
4619 struct qla_work_evt *
qla2x00_alloc_work(struct scsi_qla_host * vha,enum qla_work_type type)4620 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4621 {
4622 struct qla_work_evt *e;
4623 uint8_t bail;
4624
4625 QLA_VHA_MARK_BUSY(vha, bail);
4626 if (bail)
4627 return NULL;
4628
4629 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4630 if (!e) {
4631 QLA_VHA_MARK_NOT_BUSY(vha);
4632 return NULL;
4633 }
4634
4635 INIT_LIST_HEAD(&e->list);
4636 e->type = type;
4637 e->flags = QLA_EVT_FLAG_FREE;
4638 return e;
4639 }
4640
4641 int
qla2x00_post_work(struct scsi_qla_host * vha,struct qla_work_evt * e)4642 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4643 {
4644 unsigned long flags;
4645 bool q = false;
4646
4647 spin_lock_irqsave(&vha->work_lock, flags);
4648 list_add_tail(&e->list, &vha->work_list);
4649
4650 if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4651 q = true;
4652
4653 spin_unlock_irqrestore(&vha->work_lock, flags);
4654
4655 if (q)
4656 queue_work(vha->hw->wq, &vha->iocb_work);
4657
4658 return QLA_SUCCESS;
4659 }
4660
4661 int
qla2x00_post_aen_work(struct scsi_qla_host * vha,enum fc_host_event_code code,u32 data)4662 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4663 u32 data)
4664 {
4665 struct qla_work_evt *e;
4666
4667 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4668 if (!e)
4669 return QLA_FUNCTION_FAILED;
4670
4671 e->u.aen.code = code;
4672 e->u.aen.data = data;
4673 return qla2x00_post_work(vha, e);
4674 }
4675
4676 int
qla2x00_post_idc_ack_work(struct scsi_qla_host * vha,uint16_t * mb)4677 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4678 {
4679 struct qla_work_evt *e;
4680
4681 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4682 if (!e)
4683 return QLA_FUNCTION_FAILED;
4684
4685 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4686 return qla2x00_post_work(vha, e);
4687 }
4688
4689 #define qla2x00_post_async_work(name, type) \
4690 int qla2x00_post_async_##name##_work( \
4691 struct scsi_qla_host *vha, \
4692 fc_port_t *fcport, uint16_t *data) \
4693 { \
4694 struct qla_work_evt *e; \
4695 \
4696 e = qla2x00_alloc_work(vha, type); \
4697 if (!e) \
4698 return QLA_FUNCTION_FAILED; \
4699 \
4700 e->u.logio.fcport = fcport; \
4701 if (data) { \
4702 e->u.logio.data[0] = data[0]; \
4703 e->u.logio.data[1] = data[1]; \
4704 } \
4705 fcport->flags |= FCF_ASYNC_ACTIVE; \
4706 return qla2x00_post_work(vha, e); \
4707 }
4708
4709 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4710 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4711 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4712 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4713 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4714 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4715 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4716
4717 int
qla2x00_post_uevent_work(struct scsi_qla_host * vha,u32 code)4718 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4719 {
4720 struct qla_work_evt *e;
4721
4722 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4723 if (!e)
4724 return QLA_FUNCTION_FAILED;
4725
4726 e->u.uevent.code = code;
4727 return qla2x00_post_work(vha, e);
4728 }
4729
4730 static void
qla2x00_uevent_emit(struct scsi_qla_host * vha,u32 code)4731 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4732 {
4733 char event_string[40];
4734 char *envp[] = { event_string, NULL };
4735
4736 switch (code) {
4737 case QLA_UEVENT_CODE_FW_DUMP:
4738 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4739 vha->host_no);
4740 break;
4741 default:
4742 /* do nothing */
4743 break;
4744 }
4745 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4746 }
4747
4748 int
qlafx00_post_aenfx_work(struct scsi_qla_host * vha,uint32_t evtcode,uint32_t * data,int cnt)4749 qlafx00_post_aenfx_work(struct scsi_qla_host *vha, uint32_t evtcode,
4750 uint32_t *data, int cnt)
4751 {
4752 struct qla_work_evt *e;
4753
4754 e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4755 if (!e)
4756 return QLA_FUNCTION_FAILED;
4757
4758 e->u.aenfx.evtcode = evtcode;
4759 e->u.aenfx.count = cnt;
4760 memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4761 return qla2x00_post_work(vha, e);
4762 }
4763
qla24xx_post_upd_fcport_work(struct scsi_qla_host * vha,fc_port_t * fcport)4764 int qla24xx_post_upd_fcport_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4765 {
4766 struct qla_work_evt *e;
4767
4768 e = qla2x00_alloc_work(vha, QLA_EVT_UPD_FCPORT);
4769 if (!e)
4770 return QLA_FUNCTION_FAILED;
4771
4772 e->u.fcport.fcport = fcport;
4773 return qla2x00_post_work(vha, e);
4774 }
4775
4776 static
qla24xx_create_new_sess(struct scsi_qla_host * vha,struct qla_work_evt * e)4777 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
4778 {
4779 unsigned long flags;
4780 fc_port_t *fcport = NULL, *tfcp;
4781 struct qlt_plogi_ack_t *pla =
4782 (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4783 uint8_t free_fcport = 0;
4784
4785 ql_dbg(ql_dbg_disc, vha, 0xffff,
4786 "%s %d %8phC enter\n",
4787 __func__, __LINE__, e->u.new_sess.port_name);
4788
4789 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4790 fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
4791 if (fcport) {
4792 fcport->d_id = e->u.new_sess.id;
4793 if (pla) {
4794 fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4795 memcpy(fcport->node_name,
4796 pla->iocb.u.isp24.u.plogi.node_name,
4797 WWN_SIZE);
4798 qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
4799 /* we took an extra ref_count to prevent PLOGI ACK when
4800 * fcport/sess has not been created.
4801 */
4802 pla->ref_count--;
4803 }
4804 } else {
4805 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4806 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4807 if (fcport) {
4808 fcport->d_id = e->u.new_sess.id;
4809 fcport->flags |= FCF_FABRIC_DEVICE;
4810 fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4811 if (e->u.new_sess.fc4_type == FS_FC4TYPE_FCP)
4812 fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4813
4814 if (e->u.new_sess.fc4_type == FS_FC4TYPE_NVME) {
4815 fcport->fc4_type = FC4_TYPE_OTHER;
4816 fcport->fc4f_nvme = FC4_TYPE_NVME;
4817 }
4818
4819 memcpy(fcport->port_name, e->u.new_sess.port_name,
4820 WWN_SIZE);
4821 } else {
4822 ql_dbg(ql_dbg_disc, vha, 0xffff,
4823 "%s %8phC mem alloc fail.\n",
4824 __func__, e->u.new_sess.port_name);
4825
4826 if (pla)
4827 kmem_cache_free(qla_tgt_plogi_cachep, pla);
4828 return;
4829 }
4830
4831 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4832 /* search again to make sure no one else got ahead */
4833 tfcp = qla2x00_find_fcport_by_wwpn(vha,
4834 e->u.new_sess.port_name, 1);
4835 if (tfcp) {
4836 /* should rarily happen */
4837 ql_dbg(ql_dbg_disc, vha, 0xffff,
4838 "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
4839 __func__, tfcp->port_name, tfcp->disc_state,
4840 tfcp->fw_login_state);
4841
4842 free_fcport = 1;
4843 } else {
4844 list_add_tail(&fcport->list, &vha->vp_fcports);
4845
4846 }
4847 if (pla) {
4848 qlt_plogi_ack_link(vha, pla, fcport,
4849 QLT_PLOGI_LINK_SAME_WWN);
4850 pla->ref_count--;
4851 }
4852 }
4853 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4854
4855 if (fcport) {
4856 fcport->id_changed = 1;
4857 fcport->scan_state = QLA_FCPORT_FOUND;
4858 memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
4859
4860 if (pla) {
4861 if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
4862 u16 wd3_lo;
4863
4864 fcport->fw_login_state = DSC_LS_PRLI_PEND;
4865 fcport->local = 0;
4866 fcport->loop_id =
4867 le16_to_cpu(
4868 pla->iocb.u.isp24.nport_handle);
4869 fcport->fw_login_state = DSC_LS_PRLI_PEND;
4870 wd3_lo =
4871 le16_to_cpu(
4872 pla->iocb.u.isp24.u.prli.wd3_lo);
4873
4874 if (wd3_lo & BIT_7)
4875 fcport->conf_compl_supported = 1;
4876
4877 if ((wd3_lo & BIT_4) == 0)
4878 fcport->port_type = FCT_INITIATOR;
4879 else
4880 fcport->port_type = FCT_TARGET;
4881 }
4882 qlt_plogi_ack_unref(vha, pla);
4883 } else {
4884 fc_port_t *dfcp = NULL;
4885
4886 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4887 tfcp = qla2x00_find_fcport_by_nportid(vha,
4888 &e->u.new_sess.id, 1);
4889 if (tfcp && (tfcp != fcport)) {
4890 /*
4891 * We have a conflict fcport with same NportID.
4892 */
4893 ql_dbg(ql_dbg_disc, vha, 0xffff,
4894 "%s %8phC found conflict b4 add. DS %d LS %d\n",
4895 __func__, tfcp->port_name, tfcp->disc_state,
4896 tfcp->fw_login_state);
4897
4898 switch (tfcp->disc_state) {
4899 case DSC_DELETED:
4900 break;
4901 case DSC_DELETE_PEND:
4902 fcport->login_pause = 1;
4903 tfcp->conflict = fcport;
4904 break;
4905 default:
4906 fcport->login_pause = 1;
4907 tfcp->conflict = fcport;
4908 dfcp = tfcp;
4909 break;
4910 }
4911 }
4912 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4913 if (dfcp)
4914 qlt_schedule_sess_for_deletion(tfcp);
4915
4916
4917 if (N2N_TOPO(vha->hw))
4918 fcport->flags &= ~FCF_FABRIC_DEVICE;
4919
4920 if (N2N_TOPO(vha->hw)) {
4921 if (vha->flags.nvme_enabled) {
4922 fcport->fc4f_nvme = 1;
4923 fcport->n2n_flag = 1;
4924 }
4925 fcport->fw_login_state = 0;
4926 /*
4927 * wait link init done before sending login
4928 */
4929 } else {
4930 qla24xx_fcport_handle_login(vha, fcport);
4931 }
4932 }
4933 }
4934
4935 if (free_fcport) {
4936 qla2x00_free_fcport(fcport);
4937 if (pla)
4938 kmem_cache_free(qla_tgt_plogi_cachep, pla);
4939 }
4940 }
4941
qla_sp_retry(struct scsi_qla_host * vha,struct qla_work_evt * e)4942 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
4943 {
4944 struct srb *sp = e->u.iosb.sp;
4945 int rval;
4946
4947 rval = qla2x00_start_sp(sp);
4948 if (rval != QLA_SUCCESS) {
4949 ql_dbg(ql_dbg_disc, vha, 0x2043,
4950 "%s: %s: Re-issue IOCB failed (%d).\n",
4951 __func__, sp->name, rval);
4952 qla24xx_sp_unmap(vha, sp);
4953 }
4954 }
4955
4956 void
qla2x00_do_work(struct scsi_qla_host * vha)4957 qla2x00_do_work(struct scsi_qla_host *vha)
4958 {
4959 struct qla_work_evt *e, *tmp;
4960 unsigned long flags;
4961 LIST_HEAD(work);
4962
4963 spin_lock_irqsave(&vha->work_lock, flags);
4964 list_splice_init(&vha->work_list, &work);
4965 spin_unlock_irqrestore(&vha->work_lock, flags);
4966
4967 list_for_each_entry_safe(e, tmp, &work, list) {
4968 list_del_init(&e->list);
4969
4970 switch (e->type) {
4971 case QLA_EVT_AEN:
4972 fc_host_post_event(vha->host, fc_get_event_number(),
4973 e->u.aen.code, e->u.aen.data);
4974 break;
4975 case QLA_EVT_IDC_ACK:
4976 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4977 break;
4978 case QLA_EVT_ASYNC_LOGIN:
4979 qla2x00_async_login(vha, e->u.logio.fcport,
4980 e->u.logio.data);
4981 break;
4982 case QLA_EVT_ASYNC_LOGOUT:
4983 qla2x00_async_logout(vha, e->u.logio.fcport);
4984 break;
4985 case QLA_EVT_ASYNC_LOGOUT_DONE:
4986 qla2x00_async_logout_done(vha, e->u.logio.fcport,
4987 e->u.logio.data);
4988 break;
4989 case QLA_EVT_ASYNC_ADISC:
4990 qla2x00_async_adisc(vha, e->u.logio.fcport,
4991 e->u.logio.data);
4992 break;
4993 case QLA_EVT_ASYNC_ADISC_DONE:
4994 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4995 e->u.logio.data);
4996 break;
4997 case QLA_EVT_UEVENT:
4998 qla2x00_uevent_emit(vha, e->u.uevent.code);
4999 break;
5000 case QLA_EVT_AENFX:
5001 qlafx00_process_aen(vha, e);
5002 break;
5003 case QLA_EVT_GIDPN:
5004 qla24xx_async_gidpn(vha, e->u.fcport.fcport);
5005 break;
5006 case QLA_EVT_GPNID:
5007 qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5008 break;
5009 case QLA_EVT_UNMAP:
5010 qla24xx_sp_unmap(vha, e->u.iosb.sp);
5011 break;
5012 case QLA_EVT_RELOGIN:
5013 qla2x00_relogin(vha);
5014 break;
5015 case QLA_EVT_NEW_SESS:
5016 qla24xx_create_new_sess(vha, e);
5017 break;
5018 case QLA_EVT_GPDB:
5019 qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5020 e->u.fcport.opt);
5021 break;
5022 case QLA_EVT_PRLI:
5023 qla24xx_async_prli(vha, e->u.fcport.fcport);
5024 break;
5025 case QLA_EVT_GPSC:
5026 qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5027 break;
5028 case QLA_EVT_UPD_FCPORT:
5029 qla2x00_update_fcport(vha, e->u.fcport.fcport);
5030 break;
5031 case QLA_EVT_GNL:
5032 qla24xx_async_gnl(vha, e->u.fcport.fcport);
5033 break;
5034 case QLA_EVT_NACK:
5035 qla24xx_do_nack_work(vha, e);
5036 break;
5037 case QLA_EVT_ASYNC_PRLO:
5038 qla2x00_async_prlo(vha, e->u.logio.fcport);
5039 break;
5040 case QLA_EVT_ASYNC_PRLO_DONE:
5041 qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5042 e->u.logio.data);
5043 break;
5044 case QLA_EVT_GPNFT:
5045 qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5046 e->u.gpnft.sp);
5047 break;
5048 case QLA_EVT_GPNFT_DONE:
5049 qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5050 break;
5051 case QLA_EVT_GNNFT_DONE:
5052 qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5053 break;
5054 case QLA_EVT_GNNID:
5055 qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5056 break;
5057 case QLA_EVT_GFPNID:
5058 qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5059 break;
5060 case QLA_EVT_SP_RETRY:
5061 qla_sp_retry(vha, e);
5062 break;
5063 case QLA_EVT_IIDMA:
5064 qla_do_iidma_work(vha, e->u.fcport.fcport);
5065 break;
5066 case QLA_EVT_ELS_PLOGI:
5067 qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5068 e->u.fcport.fcport, false);
5069 break;
5070 }
5071 if (e->flags & QLA_EVT_FLAG_FREE)
5072 kfree(e);
5073
5074 /* For each work completed decrement vha ref count */
5075 QLA_VHA_MARK_NOT_BUSY(vha);
5076 }
5077 }
5078
qla24xx_post_relogin_work(struct scsi_qla_host * vha)5079 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5080 {
5081 struct qla_work_evt *e;
5082
5083 e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5084
5085 if (!e) {
5086 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5087 return QLA_FUNCTION_FAILED;
5088 }
5089
5090 return qla2x00_post_work(vha, e);
5091 }
5092
5093 /* Relogins all the fcports of a vport
5094 * Context: dpc thread
5095 */
qla2x00_relogin(struct scsi_qla_host * vha)5096 void qla2x00_relogin(struct scsi_qla_host *vha)
5097 {
5098 fc_port_t *fcport;
5099 int status, relogin_needed = 0;
5100 struct event_arg ea;
5101
5102 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5103 /*
5104 * If the port is not ONLINE then try to login
5105 * to it if we haven't run out of retries.
5106 */
5107 if (atomic_read(&fcport->state) != FCS_ONLINE &&
5108 fcport->login_retry) {
5109 if (fcport->scan_state != QLA_FCPORT_FOUND ||
5110 fcport->disc_state == DSC_LOGIN_COMPLETE)
5111 continue;
5112
5113 if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5114 fcport->disc_state == DSC_DELETE_PEND) {
5115 relogin_needed = 1;
5116 } else {
5117 if (vha->hw->current_topology != ISP_CFG_NL) {
5118 memset(&ea, 0, sizeof(ea));
5119 ea.event = FCME_RELOGIN;
5120 ea.fcport = fcport;
5121 qla2x00_fcport_event_handler(vha, &ea);
5122 } else if (vha->hw->current_topology ==
5123 ISP_CFG_NL) {
5124 fcport->login_retry--;
5125 status =
5126 qla2x00_local_device_login(vha,
5127 fcport);
5128 if (status == QLA_SUCCESS) {
5129 fcport->old_loop_id =
5130 fcport->loop_id;
5131 ql_dbg(ql_dbg_disc, vha, 0x2003,
5132 "Port login OK: logged in ID 0x%x.\n",
5133 fcport->loop_id);
5134 qla2x00_update_fcport
5135 (vha, fcport);
5136 } else if (status == 1) {
5137 set_bit(RELOGIN_NEEDED,
5138 &vha->dpc_flags);
5139 /* retry the login again */
5140 ql_dbg(ql_dbg_disc, vha, 0x2007,
5141 "Retrying %d login again loop_id 0x%x.\n",
5142 fcport->login_retry,
5143 fcport->loop_id);
5144 } else {
5145 fcport->login_retry = 0;
5146 }
5147
5148 if (fcport->login_retry == 0 &&
5149 status != QLA_SUCCESS)
5150 qla2x00_clear_loop_id(fcport);
5151 }
5152 }
5153 }
5154 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5155 break;
5156 }
5157
5158 if (relogin_needed)
5159 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5160
5161 ql_dbg(ql_dbg_disc, vha, 0x400e,
5162 "Relogin end.\n");
5163 }
5164
5165 /* Schedule work on any of the dpc-workqueues */
5166 void
qla83xx_schedule_work(scsi_qla_host_t * base_vha,int work_code)5167 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5168 {
5169 struct qla_hw_data *ha = base_vha->hw;
5170
5171 switch (work_code) {
5172 case MBA_IDC_AEN: /* 0x8200 */
5173 if (ha->dpc_lp_wq)
5174 queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5175 break;
5176
5177 case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5178 if (!ha->flags.nic_core_reset_hdlr_active) {
5179 if (ha->dpc_hp_wq)
5180 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5181 } else
5182 ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5183 "NIC Core reset is already active. Skip "
5184 "scheduling it again.\n");
5185 break;
5186 case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5187 if (ha->dpc_hp_wq)
5188 queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5189 break;
5190 case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5191 if (ha->dpc_hp_wq)
5192 queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5193 break;
5194 default:
5195 ql_log(ql_log_warn, base_vha, 0xb05f,
5196 "Unknown work-code=0x%x.\n", work_code);
5197 }
5198
5199 return;
5200 }
5201
5202 /* Work: Perform NIC Core Unrecoverable state handling */
5203 void
qla83xx_nic_core_unrecoverable_work(struct work_struct * work)5204 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5205 {
5206 struct qla_hw_data *ha =
5207 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5208 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5209 uint32_t dev_state = 0;
5210
5211 qla83xx_idc_lock(base_vha, 0);
5212 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5213 qla83xx_reset_ownership(base_vha);
5214 if (ha->flags.nic_core_reset_owner) {
5215 ha->flags.nic_core_reset_owner = 0;
5216 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5217 QLA8XXX_DEV_FAILED);
5218 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5219 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5220 }
5221 qla83xx_idc_unlock(base_vha, 0);
5222 }
5223
5224 /* Work: Execute IDC state handler */
5225 void
qla83xx_idc_state_handler_work(struct work_struct * work)5226 qla83xx_idc_state_handler_work(struct work_struct *work)
5227 {
5228 struct qla_hw_data *ha =
5229 container_of(work, struct qla_hw_data, idc_state_handler);
5230 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5231 uint32_t dev_state = 0;
5232
5233 qla83xx_idc_lock(base_vha, 0);
5234 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5235 if (dev_state == QLA8XXX_DEV_FAILED ||
5236 dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5237 qla83xx_idc_state_handler(base_vha);
5238 qla83xx_idc_unlock(base_vha, 0);
5239 }
5240
5241 static int
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t * base_vha)5242 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5243 {
5244 int rval = QLA_SUCCESS;
5245 unsigned long heart_beat_wait = jiffies + (1 * HZ);
5246 uint32_t heart_beat_counter1, heart_beat_counter2;
5247
5248 do {
5249 if (time_after(jiffies, heart_beat_wait)) {
5250 ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5251 "Nic Core f/w is not alive.\n");
5252 rval = QLA_FUNCTION_FAILED;
5253 break;
5254 }
5255
5256 qla83xx_idc_lock(base_vha, 0);
5257 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5258 &heart_beat_counter1);
5259 qla83xx_idc_unlock(base_vha, 0);
5260 msleep(100);
5261 qla83xx_idc_lock(base_vha, 0);
5262 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5263 &heart_beat_counter2);
5264 qla83xx_idc_unlock(base_vha, 0);
5265 } while (heart_beat_counter1 == heart_beat_counter2);
5266
5267 return rval;
5268 }
5269
5270 /* Work: Perform NIC Core Reset handling */
5271 void
qla83xx_nic_core_reset_work(struct work_struct * work)5272 qla83xx_nic_core_reset_work(struct work_struct *work)
5273 {
5274 struct qla_hw_data *ha =
5275 container_of(work, struct qla_hw_data, nic_core_reset);
5276 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5277 uint32_t dev_state = 0;
5278
5279 if (IS_QLA2031(ha)) {
5280 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5281 ql_log(ql_log_warn, base_vha, 0xb081,
5282 "Failed to dump mctp\n");
5283 return;
5284 }
5285
5286 if (!ha->flags.nic_core_reset_hdlr_active) {
5287 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5288 qla83xx_idc_lock(base_vha, 0);
5289 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5290 &dev_state);
5291 qla83xx_idc_unlock(base_vha, 0);
5292 if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5293 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5294 "Nic Core f/w is alive.\n");
5295 return;
5296 }
5297 }
5298
5299 ha->flags.nic_core_reset_hdlr_active = 1;
5300 if (qla83xx_nic_core_reset(base_vha)) {
5301 /* NIC Core reset failed. */
5302 ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5303 "NIC Core reset failed.\n");
5304 }
5305 ha->flags.nic_core_reset_hdlr_active = 0;
5306 }
5307 }
5308
5309 /* Work: Handle 8200 IDC aens */
5310 void
qla83xx_service_idc_aen(struct work_struct * work)5311 qla83xx_service_idc_aen(struct work_struct *work)
5312 {
5313 struct qla_hw_data *ha =
5314 container_of(work, struct qla_hw_data, idc_aen);
5315 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5316 uint32_t dev_state, idc_control;
5317
5318 qla83xx_idc_lock(base_vha, 0);
5319 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5320 qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5321 qla83xx_idc_unlock(base_vha, 0);
5322 if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5323 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5324 ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5325 "Application requested NIC Core Reset.\n");
5326 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5327 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5328 QLA_SUCCESS) {
5329 ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5330 "Other protocol driver requested NIC Core Reset.\n");
5331 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5332 }
5333 } else if (dev_state == QLA8XXX_DEV_FAILED ||
5334 dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5335 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5336 }
5337 }
5338
5339 static void
qla83xx_wait_logic(void)5340 qla83xx_wait_logic(void)
5341 {
5342 int i;
5343
5344 /* Yield CPU */
5345 if (!in_interrupt()) {
5346 /*
5347 * Wait about 200ms before retrying again.
5348 * This controls the number of retries for single
5349 * lock operation.
5350 */
5351 msleep(100);
5352 schedule();
5353 } else {
5354 for (i = 0; i < 20; i++)
5355 cpu_relax(); /* This a nop instr on i386 */
5356 }
5357 }
5358
5359 static int
qla83xx_force_lock_recovery(scsi_qla_host_t * base_vha)5360 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5361 {
5362 int rval;
5363 uint32_t data;
5364 uint32_t idc_lck_rcvry_stage_mask = 0x3;
5365 uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5366 struct qla_hw_data *ha = base_vha->hw;
5367 ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5368 "Trying force recovery of the IDC lock.\n");
5369
5370 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5371 if (rval)
5372 return rval;
5373
5374 if ((data & idc_lck_rcvry_stage_mask) > 0) {
5375 return QLA_SUCCESS;
5376 } else {
5377 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5378 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5379 data);
5380 if (rval)
5381 return rval;
5382
5383 msleep(200);
5384
5385 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5386 &data);
5387 if (rval)
5388 return rval;
5389
5390 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5391 data &= (IDC_LOCK_RECOVERY_STAGE2 |
5392 ~(idc_lck_rcvry_stage_mask));
5393 rval = qla83xx_wr_reg(base_vha,
5394 QLA83XX_IDC_LOCK_RECOVERY, data);
5395 if (rval)
5396 return rval;
5397
5398 /* Forcefully perform IDC UnLock */
5399 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5400 &data);
5401 if (rval)
5402 return rval;
5403 /* Clear lock-id by setting 0xff */
5404 rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5405 0xff);
5406 if (rval)
5407 return rval;
5408 /* Clear lock-recovery by setting 0x0 */
5409 rval = qla83xx_wr_reg(base_vha,
5410 QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5411 if (rval)
5412 return rval;
5413 } else
5414 return QLA_SUCCESS;
5415 }
5416
5417 return rval;
5418 }
5419
5420 static int
qla83xx_idc_lock_recovery(scsi_qla_host_t * base_vha)5421 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5422 {
5423 int rval = QLA_SUCCESS;
5424 uint32_t o_drv_lockid, n_drv_lockid;
5425 unsigned long lock_recovery_timeout;
5426
5427 lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5428 retry_lockid:
5429 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5430 if (rval)
5431 goto exit;
5432
5433 /* MAX wait time before forcing IDC Lock recovery = 2 secs */
5434 if (time_after_eq(jiffies, lock_recovery_timeout)) {
5435 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5436 return QLA_SUCCESS;
5437 else
5438 return QLA_FUNCTION_FAILED;
5439 }
5440
5441 rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5442 if (rval)
5443 goto exit;
5444
5445 if (o_drv_lockid == n_drv_lockid) {
5446 qla83xx_wait_logic();
5447 goto retry_lockid;
5448 } else
5449 return QLA_SUCCESS;
5450
5451 exit:
5452 return rval;
5453 }
5454
5455 void
qla83xx_idc_lock(scsi_qla_host_t * base_vha,uint16_t requester_id)5456 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5457 {
5458 uint16_t options = (requester_id << 15) | BIT_6;
5459 uint32_t data;
5460 uint32_t lock_owner;
5461 struct qla_hw_data *ha = base_vha->hw;
5462
5463 /* IDC-lock implementation using driver-lock/lock-id remote registers */
5464 retry_lock:
5465 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5466 == QLA_SUCCESS) {
5467 if (data) {
5468 /* Setting lock-id to our function-number */
5469 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5470 ha->portnum);
5471 } else {
5472 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5473 &lock_owner);
5474 ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5475 "Failed to acquire IDC lock, acquired by %d, "
5476 "retrying...\n", lock_owner);
5477
5478 /* Retry/Perform IDC-Lock recovery */
5479 if (qla83xx_idc_lock_recovery(base_vha)
5480 == QLA_SUCCESS) {
5481 qla83xx_wait_logic();
5482 goto retry_lock;
5483 } else
5484 ql_log(ql_log_warn, base_vha, 0xb075,
5485 "IDC Lock recovery FAILED.\n");
5486 }
5487
5488 }
5489
5490 return;
5491
5492 /* XXX: IDC-lock implementation using access-control mbx */
5493 retry_lock2:
5494 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5495 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
5496 "Failed to acquire IDC lock. retrying...\n");
5497 /* Retry/Perform IDC-Lock recovery */
5498 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
5499 qla83xx_wait_logic();
5500 goto retry_lock2;
5501 } else
5502 ql_log(ql_log_warn, base_vha, 0xb076,
5503 "IDC Lock recovery FAILED.\n");
5504 }
5505
5506 return;
5507 }
5508
5509 void
qla83xx_idc_unlock(scsi_qla_host_t * base_vha,uint16_t requester_id)5510 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5511 {
5512 #if 0
5513 uint16_t options = (requester_id << 15) | BIT_7;
5514 #endif
5515 uint16_t retry;
5516 uint32_t data;
5517 struct qla_hw_data *ha = base_vha->hw;
5518
5519 /* IDC-unlock implementation using driver-unlock/lock-id
5520 * remote registers
5521 */
5522 retry = 0;
5523 retry_unlock:
5524 if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
5525 == QLA_SUCCESS) {
5526 if (data == ha->portnum) {
5527 qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
5528 /* Clearing lock-id by setting 0xff */
5529 qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
5530 } else if (retry < 10) {
5531 /* SV: XXX: IDC unlock retrying needed here? */
5532
5533 /* Retry for IDC-unlock */
5534 qla83xx_wait_logic();
5535 retry++;
5536 ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
5537 "Failed to release IDC lock, retrying=%d\n", retry);
5538 goto retry_unlock;
5539 }
5540 } else if (retry < 10) {
5541 /* Retry for IDC-unlock */
5542 qla83xx_wait_logic();
5543 retry++;
5544 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5545 "Failed to read drv-lockid, retrying=%d\n", retry);
5546 goto retry_unlock;
5547 }
5548
5549 return;
5550
5551 #if 0
5552 /* XXX: IDC-unlock implementation using access-control mbx */
5553 retry = 0;
5554 retry_unlock2:
5555 if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5556 if (retry < 10) {
5557 /* Retry for IDC-unlock */
5558 qla83xx_wait_logic();
5559 retry++;
5560 ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
5561 "Failed to release IDC lock, retrying=%d\n", retry);
5562 goto retry_unlock2;
5563 }
5564 }
5565
5566 return;
5567 #endif
5568 }
5569
5570 int
__qla83xx_set_drv_presence(scsi_qla_host_t * vha)5571 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5572 {
5573 int rval = QLA_SUCCESS;
5574 struct qla_hw_data *ha = vha->hw;
5575 uint32_t drv_presence;
5576
5577 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5578 if (rval == QLA_SUCCESS) {
5579 drv_presence |= (1 << ha->portnum);
5580 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5581 drv_presence);
5582 }
5583
5584 return rval;
5585 }
5586
5587 int
qla83xx_set_drv_presence(scsi_qla_host_t * vha)5588 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5589 {
5590 int rval = QLA_SUCCESS;
5591
5592 qla83xx_idc_lock(vha, 0);
5593 rval = __qla83xx_set_drv_presence(vha);
5594 qla83xx_idc_unlock(vha, 0);
5595
5596 return rval;
5597 }
5598
5599 int
__qla83xx_clear_drv_presence(scsi_qla_host_t * vha)5600 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5601 {
5602 int rval = QLA_SUCCESS;
5603 struct qla_hw_data *ha = vha->hw;
5604 uint32_t drv_presence;
5605
5606 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5607 if (rval == QLA_SUCCESS) {
5608 drv_presence &= ~(1 << ha->portnum);
5609 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5610 drv_presence);
5611 }
5612
5613 return rval;
5614 }
5615
5616 int
qla83xx_clear_drv_presence(scsi_qla_host_t * vha)5617 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5618 {
5619 int rval = QLA_SUCCESS;
5620
5621 qla83xx_idc_lock(vha, 0);
5622 rval = __qla83xx_clear_drv_presence(vha);
5623 qla83xx_idc_unlock(vha, 0);
5624
5625 return rval;
5626 }
5627
5628 static void
qla83xx_need_reset_handler(scsi_qla_host_t * vha)5629 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
5630 {
5631 struct qla_hw_data *ha = vha->hw;
5632 uint32_t drv_ack, drv_presence;
5633 unsigned long ack_timeout;
5634
5635 /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
5636 ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
5637 while (1) {
5638 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5639 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5640 if ((drv_ack & drv_presence) == drv_presence)
5641 break;
5642
5643 if (time_after_eq(jiffies, ack_timeout)) {
5644 ql_log(ql_log_warn, vha, 0xb067,
5645 "RESET ACK TIMEOUT! drv_presence=0x%x "
5646 "drv_ack=0x%x\n", drv_presence, drv_ack);
5647 /*
5648 * The function(s) which did not ack in time are forced
5649 * to withdraw any further participation in the IDC
5650 * reset.
5651 */
5652 if (drv_ack != drv_presence)
5653 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5654 drv_ack);
5655 break;
5656 }
5657
5658 qla83xx_idc_unlock(vha, 0);
5659 msleep(1000);
5660 qla83xx_idc_lock(vha, 0);
5661 }
5662
5663 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
5664 ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
5665 }
5666
5667 static int
qla83xx_device_bootstrap(scsi_qla_host_t * vha)5668 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
5669 {
5670 int rval = QLA_SUCCESS;
5671 uint32_t idc_control;
5672
5673 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
5674 ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
5675
5676 /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
5677 __qla83xx_get_idc_control(vha, &idc_control);
5678 idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
5679 __qla83xx_set_idc_control(vha, 0);
5680
5681 qla83xx_idc_unlock(vha, 0);
5682 rval = qla83xx_restart_nic_firmware(vha);
5683 qla83xx_idc_lock(vha, 0);
5684
5685 if (rval != QLA_SUCCESS) {
5686 ql_log(ql_log_fatal, vha, 0xb06a,
5687 "Failed to restart NIC f/w.\n");
5688 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
5689 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
5690 } else {
5691 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
5692 "Success in restarting nic f/w.\n");
5693 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
5694 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
5695 }
5696
5697 return rval;
5698 }
5699
5700 /* Assumes idc_lock always held on entry */
5701 int
qla83xx_idc_state_handler(scsi_qla_host_t * base_vha)5702 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
5703 {
5704 struct qla_hw_data *ha = base_vha->hw;
5705 int rval = QLA_SUCCESS;
5706 unsigned long dev_init_timeout;
5707 uint32_t dev_state;
5708
5709 /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
5710 dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
5711
5712 while (1) {
5713
5714 if (time_after_eq(jiffies, dev_init_timeout)) {
5715 ql_log(ql_log_warn, base_vha, 0xb06e,
5716 "Initialization TIMEOUT!\n");
5717 /* Init timeout. Disable further NIC Core
5718 * communication.
5719 */
5720 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5721 QLA8XXX_DEV_FAILED);
5722 ql_log(ql_log_info, base_vha, 0xb06f,
5723 "HW State: FAILED.\n");
5724 }
5725
5726 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5727 switch (dev_state) {
5728 case QLA8XXX_DEV_READY:
5729 if (ha->flags.nic_core_reset_owner)
5730 qla83xx_idc_audit(base_vha,
5731 IDC_AUDIT_COMPLETION);
5732 ha->flags.nic_core_reset_owner = 0;
5733 ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
5734 "Reset_owner reset by 0x%x.\n",
5735 ha->portnum);
5736 goto exit;
5737 case QLA8XXX_DEV_COLD:
5738 if (ha->flags.nic_core_reset_owner)
5739 rval = qla83xx_device_bootstrap(base_vha);
5740 else {
5741 /* Wait for AEN to change device-state */
5742 qla83xx_idc_unlock(base_vha, 0);
5743 msleep(1000);
5744 qla83xx_idc_lock(base_vha, 0);
5745 }
5746 break;
5747 case QLA8XXX_DEV_INITIALIZING:
5748 /* Wait for AEN to change device-state */
5749 qla83xx_idc_unlock(base_vha, 0);
5750 msleep(1000);
5751 qla83xx_idc_lock(base_vha, 0);
5752 break;
5753 case QLA8XXX_DEV_NEED_RESET:
5754 if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
5755 qla83xx_need_reset_handler(base_vha);
5756 else {
5757 /* Wait for AEN to change device-state */
5758 qla83xx_idc_unlock(base_vha, 0);
5759 msleep(1000);
5760 qla83xx_idc_lock(base_vha, 0);
5761 }
5762 /* reset timeout value after need reset handler */
5763 dev_init_timeout = jiffies +
5764 (ha->fcoe_dev_init_timeout * HZ);
5765 break;
5766 case QLA8XXX_DEV_NEED_QUIESCENT:
5767 /* XXX: DEBUG for now */
5768 qla83xx_idc_unlock(base_vha, 0);
5769 msleep(1000);
5770 qla83xx_idc_lock(base_vha, 0);
5771 break;
5772 case QLA8XXX_DEV_QUIESCENT:
5773 /* XXX: DEBUG for now */
5774 if (ha->flags.quiesce_owner)
5775 goto exit;
5776
5777 qla83xx_idc_unlock(base_vha, 0);
5778 msleep(1000);
5779 qla83xx_idc_lock(base_vha, 0);
5780 dev_init_timeout = jiffies +
5781 (ha->fcoe_dev_init_timeout * HZ);
5782 break;
5783 case QLA8XXX_DEV_FAILED:
5784 if (ha->flags.nic_core_reset_owner)
5785 qla83xx_idc_audit(base_vha,
5786 IDC_AUDIT_COMPLETION);
5787 ha->flags.nic_core_reset_owner = 0;
5788 __qla83xx_clear_drv_presence(base_vha);
5789 qla83xx_idc_unlock(base_vha, 0);
5790 qla8xxx_dev_failed_handler(base_vha);
5791 rval = QLA_FUNCTION_FAILED;
5792 qla83xx_idc_lock(base_vha, 0);
5793 goto exit;
5794 case QLA8XXX_BAD_VALUE:
5795 qla83xx_idc_unlock(base_vha, 0);
5796 msleep(1000);
5797 qla83xx_idc_lock(base_vha, 0);
5798 break;
5799 default:
5800 ql_log(ql_log_warn, base_vha, 0xb071,
5801 "Unknown Device State: %x.\n", dev_state);
5802 qla83xx_idc_unlock(base_vha, 0);
5803 qla8xxx_dev_failed_handler(base_vha);
5804 rval = QLA_FUNCTION_FAILED;
5805 qla83xx_idc_lock(base_vha, 0);
5806 goto exit;
5807 }
5808 }
5809
5810 exit:
5811 return rval;
5812 }
5813
5814 void
qla2x00_disable_board_on_pci_error(struct work_struct * work)5815 qla2x00_disable_board_on_pci_error(struct work_struct *work)
5816 {
5817 struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
5818 board_disable);
5819 struct pci_dev *pdev = ha->pdev;
5820 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5821
5822 /*
5823 * if UNLOAD flag is already set, then continue unload,
5824 * where it was set first.
5825 */
5826 if (test_bit(UNLOADING, &base_vha->dpc_flags))
5827 return;
5828
5829 ql_log(ql_log_warn, base_vha, 0x015b,
5830 "Disabling adapter.\n");
5831
5832 if (!atomic_read(&pdev->enable_cnt)) {
5833 ql_log(ql_log_info, base_vha, 0xfffc,
5834 "PCI device disabled, no action req for PCI error=%lx\n",
5835 base_vha->pci_flags);
5836 return;
5837 }
5838
5839 qla2x00_wait_for_sess_deletion(base_vha);
5840
5841 set_bit(UNLOADING, &base_vha->dpc_flags);
5842
5843 qla2x00_delete_all_vps(ha, base_vha);
5844
5845 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5846
5847 qla2x00_dfs_remove(base_vha);
5848
5849 qla84xx_put_chip(base_vha);
5850
5851 if (base_vha->timer_active)
5852 qla2x00_stop_timer(base_vha);
5853
5854 base_vha->flags.online = 0;
5855
5856 qla2x00_destroy_deferred_work(ha);
5857
5858 /*
5859 * Do not try to stop beacon blink as it will issue a mailbox
5860 * command.
5861 */
5862 qla2x00_free_sysfs_attr(base_vha, false);
5863
5864 fc_remove_host(base_vha->host);
5865
5866 scsi_remove_host(base_vha->host);
5867
5868 base_vha->flags.init_done = 0;
5869 qla25xx_delete_queues(base_vha);
5870 qla2x00_free_fcports(base_vha);
5871 qla2x00_free_irqs(base_vha);
5872 qla2x00_mem_free(ha);
5873 qla82xx_md_free(base_vha);
5874 qla2x00_free_queues(ha);
5875
5876 qla2x00_unmap_iobases(ha);
5877
5878 pci_release_selected_regions(ha->pdev, ha->bars);
5879 pci_disable_pcie_error_reporting(pdev);
5880 pci_disable_device(pdev);
5881
5882 /*
5883 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5884 */
5885 }
5886
5887 /**************************************************************************
5888 * qla2x00_do_dpc
5889 * This kernel thread is a task that is schedule by the interrupt handler
5890 * to perform the background processing for interrupts.
5891 *
5892 * Notes:
5893 * This task always run in the context of a kernel thread. It
5894 * is kick-off by the driver's detect code and starts up
5895 * up one per adapter. It immediately goes to sleep and waits for
5896 * some fibre event. When either the interrupt handler or
5897 * the timer routine detects a event it will one of the task
5898 * bits then wake us up.
5899 **************************************************************************/
5900 static int
qla2x00_do_dpc(void * data)5901 qla2x00_do_dpc(void *data)
5902 {
5903 scsi_qla_host_t *base_vha;
5904 struct qla_hw_data *ha;
5905 uint32_t online;
5906 struct qla_qpair *qpair;
5907
5908 ha = (struct qla_hw_data *)data;
5909 base_vha = pci_get_drvdata(ha->pdev);
5910
5911 set_user_nice(current, MIN_NICE);
5912
5913 set_current_state(TASK_INTERRUPTIBLE);
5914 while (!kthread_should_stop()) {
5915 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5916 "DPC handler sleeping.\n");
5917
5918 schedule();
5919
5920 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5921 goto end_loop;
5922
5923 if (ha->flags.eeh_busy) {
5924 ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5925 "eeh_busy=%d.\n", ha->flags.eeh_busy);
5926 goto end_loop;
5927 }
5928
5929 ha->dpc_active = 1;
5930
5931 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5932 "DPC handler waking up, dpc_flags=0x%lx.\n",
5933 base_vha->dpc_flags);
5934
5935 if (test_bit(UNLOADING, &base_vha->dpc_flags))
5936 break;
5937
5938 if (IS_P3P_TYPE(ha)) {
5939 if (IS_QLA8044(ha)) {
5940 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5941 &base_vha->dpc_flags)) {
5942 qla8044_idc_lock(ha);
5943 qla8044_wr_direct(base_vha,
5944 QLA8044_CRB_DEV_STATE_INDEX,
5945 QLA8XXX_DEV_FAILED);
5946 qla8044_idc_unlock(ha);
5947 ql_log(ql_log_info, base_vha, 0x4004,
5948 "HW State: FAILED.\n");
5949 qla8044_device_state_handler(base_vha);
5950 continue;
5951 }
5952
5953 } else {
5954 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5955 &base_vha->dpc_flags)) {
5956 qla82xx_idc_lock(ha);
5957 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5958 QLA8XXX_DEV_FAILED);
5959 qla82xx_idc_unlock(ha);
5960 ql_log(ql_log_info, base_vha, 0x0151,
5961 "HW State: FAILED.\n");
5962 qla82xx_device_state_handler(base_vha);
5963 continue;
5964 }
5965 }
5966
5967 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5968 &base_vha->dpc_flags)) {
5969
5970 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5971 "FCoE context reset scheduled.\n");
5972 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5973 &base_vha->dpc_flags))) {
5974 if (qla82xx_fcoe_ctx_reset(base_vha)) {
5975 /* FCoE-ctx reset failed.
5976 * Escalate to chip-reset
5977 */
5978 set_bit(ISP_ABORT_NEEDED,
5979 &base_vha->dpc_flags);
5980 }
5981 clear_bit(ABORT_ISP_ACTIVE,
5982 &base_vha->dpc_flags);
5983 }
5984
5985 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5986 "FCoE context reset end.\n");
5987 }
5988 } else if (IS_QLAFX00(ha)) {
5989 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5990 &base_vha->dpc_flags)) {
5991 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5992 "Firmware Reset Recovery\n");
5993 if (qlafx00_reset_initialize(base_vha)) {
5994 /* Failed. Abort isp later. */
5995 if (!test_bit(UNLOADING,
5996 &base_vha->dpc_flags)) {
5997 set_bit(ISP_UNRECOVERABLE,
5998 &base_vha->dpc_flags);
5999 ql_dbg(ql_dbg_dpc, base_vha,
6000 0x4021,
6001 "Reset Recovery Failed\n");
6002 }
6003 }
6004 }
6005
6006 if (test_and_clear_bit(FX00_TARGET_SCAN,
6007 &base_vha->dpc_flags)) {
6008 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6009 "ISPFx00 Target Scan scheduled\n");
6010 if (qlafx00_rescan_isp(base_vha)) {
6011 if (!test_bit(UNLOADING,
6012 &base_vha->dpc_flags))
6013 set_bit(ISP_UNRECOVERABLE,
6014 &base_vha->dpc_flags);
6015 ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6016 "ISPFx00 Target Scan Failed\n");
6017 }
6018 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6019 "ISPFx00 Target Scan End\n");
6020 }
6021 if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6022 &base_vha->dpc_flags)) {
6023 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6024 "ISPFx00 Host Info resend scheduled\n");
6025 qlafx00_fx_disc(base_vha,
6026 &base_vha->hw->mr.fcport,
6027 FXDISC_REG_HOST_INFO);
6028 }
6029 }
6030
6031 if (test_and_clear_bit(DETECT_SFP_CHANGE,
6032 &base_vha->dpc_flags) &&
6033 !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
6034 qla24xx_detect_sfp(base_vha);
6035
6036 if (ha->flags.detected_lr_sfp !=
6037 ha->flags.using_lr_setting)
6038 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
6039 }
6040
6041 if (test_and_clear_bit
6042 (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6043 !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6044
6045 ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6046 "ISP abort scheduled.\n");
6047 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6048 &base_vha->dpc_flags))) {
6049
6050 if (ha->isp_ops->abort_isp(base_vha)) {
6051 /* failed. retry later */
6052 set_bit(ISP_ABORT_NEEDED,
6053 &base_vha->dpc_flags);
6054 }
6055 clear_bit(ABORT_ISP_ACTIVE,
6056 &base_vha->dpc_flags);
6057 }
6058
6059 ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6060 "ISP abort end.\n");
6061 }
6062
6063 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6064 &base_vha->dpc_flags)) {
6065 qla2x00_update_fcports(base_vha);
6066 }
6067
6068 if (IS_QLAFX00(ha))
6069 goto loop_resync_check;
6070
6071 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6072 ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6073 "Quiescence mode scheduled.\n");
6074 if (IS_P3P_TYPE(ha)) {
6075 if (IS_QLA82XX(ha))
6076 qla82xx_device_state_handler(base_vha);
6077 if (IS_QLA8044(ha))
6078 qla8044_device_state_handler(base_vha);
6079 clear_bit(ISP_QUIESCE_NEEDED,
6080 &base_vha->dpc_flags);
6081 if (!ha->flags.quiesce_owner) {
6082 qla2x00_perform_loop_resync(base_vha);
6083 if (IS_QLA82XX(ha)) {
6084 qla82xx_idc_lock(ha);
6085 qla82xx_clear_qsnt_ready(
6086 base_vha);
6087 qla82xx_idc_unlock(ha);
6088 } else if (IS_QLA8044(ha)) {
6089 qla8044_idc_lock(ha);
6090 qla8044_clear_qsnt_ready(
6091 base_vha);
6092 qla8044_idc_unlock(ha);
6093 }
6094 }
6095 } else {
6096 clear_bit(ISP_QUIESCE_NEEDED,
6097 &base_vha->dpc_flags);
6098 qla2x00_quiesce_io(base_vha);
6099 }
6100 ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6101 "Quiescence mode end.\n");
6102 }
6103
6104 if (test_and_clear_bit(RESET_MARKER_NEEDED,
6105 &base_vha->dpc_flags) &&
6106 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6107
6108 ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6109 "Reset marker scheduled.\n");
6110 qla2x00_rst_aen(base_vha);
6111 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6112 ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6113 "Reset marker end.\n");
6114 }
6115
6116 /* Retry each device up to login retry count */
6117 if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6118 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6119 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6120
6121 if (!base_vha->relogin_jif ||
6122 time_after_eq(jiffies, base_vha->relogin_jif)) {
6123 base_vha->relogin_jif = jiffies + HZ;
6124 clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6125
6126 ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6127 "Relogin scheduled.\n");
6128 qla24xx_post_relogin_work(base_vha);
6129 }
6130 }
6131 loop_resync_check:
6132 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6133 &base_vha->dpc_flags)) {
6134
6135 ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6136 "Loop resync scheduled.\n");
6137
6138 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6139 &base_vha->dpc_flags))) {
6140
6141 qla2x00_loop_resync(base_vha);
6142
6143 clear_bit(LOOP_RESYNC_ACTIVE,
6144 &base_vha->dpc_flags);
6145 }
6146
6147 ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6148 "Loop resync end.\n");
6149 }
6150
6151 if (IS_QLAFX00(ha))
6152 goto intr_on_check;
6153
6154 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6155 atomic_read(&base_vha->loop_state) == LOOP_READY) {
6156 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6157 qla2xxx_flash_npiv_conf(base_vha);
6158 }
6159
6160 intr_on_check:
6161 if (!ha->interrupts_on)
6162 ha->isp_ops->enable_intrs(ha);
6163
6164 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6165 &base_vha->dpc_flags)) {
6166 if (ha->beacon_blink_led == 1)
6167 ha->isp_ops->beacon_blink(base_vha);
6168 }
6169
6170 /* qpair online check */
6171 if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6172 &base_vha->dpc_flags)) {
6173 if (ha->flags.eeh_busy ||
6174 ha->flags.pci_channel_io_perm_failure)
6175 online = 0;
6176 else
6177 online = 1;
6178
6179 mutex_lock(&ha->mq_lock);
6180 list_for_each_entry(qpair, &base_vha->qp_list,
6181 qp_list_elem)
6182 qpair->online = online;
6183 mutex_unlock(&ha->mq_lock);
6184 }
6185
6186 if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
6187 ql_log(ql_log_info, base_vha, 0xffffff,
6188 "nvme: SET ZIO Activity exchange threshold to %d.\n",
6189 ha->nvme_last_rptd_aen);
6190 if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
6191 ql_log(ql_log_info, base_vha, 0xffffff,
6192 "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6193 ha->nvme_last_rptd_aen);
6194 }
6195 }
6196
6197 if (!IS_QLAFX00(ha))
6198 qla2x00_do_dpc_all_vps(base_vha);
6199
6200 if (test_and_clear_bit(N2N_LINK_RESET,
6201 &base_vha->dpc_flags)) {
6202 qla2x00_lip_reset(base_vha);
6203 }
6204
6205 ha->dpc_active = 0;
6206 end_loop:
6207 set_current_state(TASK_INTERRUPTIBLE);
6208 } /* End of while(1) */
6209 __set_current_state(TASK_RUNNING);
6210
6211 ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6212 "DPC handler exiting.\n");
6213
6214 /*
6215 * Make sure that nobody tries to wake us up again.
6216 */
6217 ha->dpc_active = 0;
6218
6219 /* Cleanup any residual CTX SRBs. */
6220 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6221
6222 return 0;
6223 }
6224
6225 void
qla2xxx_wake_dpc(struct scsi_qla_host * vha)6226 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6227 {
6228 struct qla_hw_data *ha = vha->hw;
6229 struct task_struct *t = ha->dpc_thread;
6230
6231 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6232 wake_up_process(t);
6233 }
6234
6235 /*
6236 * qla2x00_rst_aen
6237 * Processes asynchronous reset.
6238 *
6239 * Input:
6240 * ha = adapter block pointer.
6241 */
6242 static void
qla2x00_rst_aen(scsi_qla_host_t * vha)6243 qla2x00_rst_aen(scsi_qla_host_t *vha)
6244 {
6245 if (vha->flags.online && !vha->flags.reset_active &&
6246 !atomic_read(&vha->loop_down_timer) &&
6247 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
6248 do {
6249 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6250
6251 /*
6252 * Issue marker command only when we are going to start
6253 * the I/O.
6254 */
6255 vha->marker_needed = 1;
6256 } while (!atomic_read(&vha->loop_down_timer) &&
6257 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
6258 }
6259 }
6260
6261 /**************************************************************************
6262 * qla2x00_timer
6263 *
6264 * Description:
6265 * One second timer
6266 *
6267 * Context: Interrupt
6268 ***************************************************************************/
6269 void
qla2x00_timer(struct timer_list * t)6270 qla2x00_timer(struct timer_list *t)
6271 {
6272 scsi_qla_host_t *vha = from_timer(vha, t, timer);
6273 unsigned long cpu_flags = 0;
6274 int start_dpc = 0;
6275 int index;
6276 srb_t *sp;
6277 uint16_t w;
6278 struct qla_hw_data *ha = vha->hw;
6279 struct req_que *req;
6280
6281 if (ha->flags.eeh_busy) {
6282 ql_dbg(ql_dbg_timer, vha, 0x6000,
6283 "EEH = %d, restarting timer.\n",
6284 ha->flags.eeh_busy);
6285 qla2x00_restart_timer(vha, WATCH_INTERVAL);
6286 return;
6287 }
6288
6289 /*
6290 * Hardware read to raise pending EEH errors during mailbox waits. If
6291 * the read returns -1 then disable the board.
6292 */
6293 if (!pci_channel_offline(ha->pdev)) {
6294 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6295 qla2x00_check_reg16_for_disconnect(vha, w);
6296 }
6297
6298 /* Make sure qla82xx_watchdog is run only for physical port */
6299 if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6300 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
6301 start_dpc++;
6302 if (IS_QLA82XX(ha))
6303 qla82xx_watchdog(vha);
6304 else if (IS_QLA8044(ha))
6305 qla8044_watchdog(vha);
6306 }
6307
6308 if (!vha->vp_idx && IS_QLAFX00(ha))
6309 qlafx00_timer_routine(vha);
6310
6311 /* Loop down handler. */
6312 if (atomic_read(&vha->loop_down_timer) > 0 &&
6313 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
6314 !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6315 && vha->flags.online) {
6316
6317 if (atomic_read(&vha->loop_down_timer) ==
6318 vha->loop_down_abort_time) {
6319
6320 ql_log(ql_log_info, vha, 0x6008,
6321 "Loop down - aborting the queues before time expires.\n");
6322
6323 if (!IS_QLA2100(ha) && vha->link_down_timeout)
6324 atomic_set(&vha->loop_state, LOOP_DEAD);
6325
6326 /*
6327 * Schedule an ISP abort to return any FCP2-device
6328 * commands.
6329 */
6330 /* NPIV - scan physical port only */
6331 if (!vha->vp_idx) {
6332 spin_lock_irqsave(&ha->hardware_lock,
6333 cpu_flags);
6334 req = ha->req_q_map[0];
6335 for (index = 1;
6336 index < req->num_outstanding_cmds;
6337 index++) {
6338 fc_port_t *sfcp;
6339
6340 sp = req->outstanding_cmds[index];
6341 if (!sp)
6342 continue;
6343 if (sp->cmd_type != TYPE_SRB)
6344 continue;
6345 if (sp->type != SRB_SCSI_CMD)
6346 continue;
6347 sfcp = sp->fcport;
6348 if (!(sfcp->flags & FCF_FCP2_DEVICE))
6349 continue;
6350
6351 if (IS_QLA82XX(ha))
6352 set_bit(FCOE_CTX_RESET_NEEDED,
6353 &vha->dpc_flags);
6354 else
6355 set_bit(ISP_ABORT_NEEDED,
6356 &vha->dpc_flags);
6357 break;
6358 }
6359 spin_unlock_irqrestore(&ha->hardware_lock,
6360 cpu_flags);
6361 }
6362 start_dpc++;
6363 }
6364
6365 /* if the loop has been down for 4 minutes, reinit adapter */
6366 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6367 if (!(vha->device_flags & DFLG_NO_CABLE)) {
6368 ql_log(ql_log_warn, vha, 0x6009,
6369 "Loop down - aborting ISP.\n");
6370
6371 if (IS_QLA82XX(ha))
6372 set_bit(FCOE_CTX_RESET_NEEDED,
6373 &vha->dpc_flags);
6374 else
6375 set_bit(ISP_ABORT_NEEDED,
6376 &vha->dpc_flags);
6377 }
6378 }
6379 ql_dbg(ql_dbg_timer, vha, 0x600a,
6380 "Loop down - seconds remaining %d.\n",
6381 atomic_read(&vha->loop_down_timer));
6382 }
6383 /* Check if beacon LED needs to be blinked for physical host only */
6384 if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6385 /* There is no beacon_blink function for ISP82xx */
6386 if (!IS_P3P_TYPE(ha)) {
6387 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
6388 start_dpc++;
6389 }
6390 }
6391
6392 /* Process any deferred work. */
6393 if (!list_empty(&vha->work_list)) {
6394 unsigned long flags;
6395 bool q = false;
6396
6397 spin_lock_irqsave(&vha->work_lock, flags);
6398 if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
6399 q = true;
6400 spin_unlock_irqrestore(&vha->work_lock, flags);
6401 if (q)
6402 queue_work(vha->hw->wq, &vha->iocb_work);
6403 }
6404
6405 /*
6406 * FC-NVME
6407 * see if the active AEN count has changed from what was last reported.
6408 */
6409 if (!vha->vp_idx &&
6410 atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
6411 ha->zio_mode == QLA_ZIO_MODE_6) {
6412 ql_log(ql_log_info, vha, 0x3002,
6413 "nvme: Sched: Set ZIO exchange threshold to %d.\n",
6414 ha->nvme_last_rptd_aen);
6415 ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
6416 set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
6417 start_dpc++;
6418 }
6419
6420 /* Schedule the DPC routine if needed */
6421 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
6422 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
6423 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
6424 start_dpc ||
6425 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
6426 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6427 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
6428 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6429 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6430 test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6431 ql_dbg(ql_dbg_timer, vha, 0x600b,
6432 "isp_abort_needed=%d loop_resync_needed=%d "
6433 "fcport_update_needed=%d start_dpc=%d "
6434 "reset_marker_needed=%d",
6435 test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
6436 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
6437 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
6438 start_dpc,
6439 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
6440 ql_dbg(ql_dbg_timer, vha, 0x600c,
6441 "beacon_blink_needed=%d isp_unrecoverable=%d "
6442 "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
6443 "relogin_needed=%d.\n",
6444 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
6445 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
6446 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
6447 test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
6448 test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6449 qla2xxx_wake_dpc(vha);
6450 }
6451
6452 qla2x00_restart_timer(vha, WATCH_INTERVAL);
6453 }
6454
6455 /* Firmware interface routines. */
6456
6457 #define FW_BLOBS 11
6458 #define FW_ISP21XX 0
6459 #define FW_ISP22XX 1
6460 #define FW_ISP2300 2
6461 #define FW_ISP2322 3
6462 #define FW_ISP24XX 4
6463 #define FW_ISP25XX 5
6464 #define FW_ISP81XX 6
6465 #define FW_ISP82XX 7
6466 #define FW_ISP2031 8
6467 #define FW_ISP8031 9
6468 #define FW_ISP27XX 10
6469
6470 #define FW_FILE_ISP21XX "ql2100_fw.bin"
6471 #define FW_FILE_ISP22XX "ql2200_fw.bin"
6472 #define FW_FILE_ISP2300 "ql2300_fw.bin"
6473 #define FW_FILE_ISP2322 "ql2322_fw.bin"
6474 #define FW_FILE_ISP24XX "ql2400_fw.bin"
6475 #define FW_FILE_ISP25XX "ql2500_fw.bin"
6476 #define FW_FILE_ISP81XX "ql8100_fw.bin"
6477 #define FW_FILE_ISP82XX "ql8200_fw.bin"
6478 #define FW_FILE_ISP2031 "ql2600_fw.bin"
6479 #define FW_FILE_ISP8031 "ql8300_fw.bin"
6480 #define FW_FILE_ISP27XX "ql2700_fw.bin"
6481
6482
6483 static DEFINE_MUTEX(qla_fw_lock);
6484
6485 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6486 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
6487 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
6488 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
6489 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
6490 { .name = FW_FILE_ISP24XX, },
6491 { .name = FW_FILE_ISP25XX, },
6492 { .name = FW_FILE_ISP81XX, },
6493 { .name = FW_FILE_ISP82XX, },
6494 { .name = FW_FILE_ISP2031, },
6495 { .name = FW_FILE_ISP8031, },
6496 { .name = FW_FILE_ISP27XX, },
6497 };
6498
6499 struct fw_blob *
qla2x00_request_firmware(scsi_qla_host_t * vha)6500 qla2x00_request_firmware(scsi_qla_host_t *vha)
6501 {
6502 struct qla_hw_data *ha = vha->hw;
6503 struct fw_blob *blob;
6504
6505 if (IS_QLA2100(ha)) {
6506 blob = &qla_fw_blobs[FW_ISP21XX];
6507 } else if (IS_QLA2200(ha)) {
6508 blob = &qla_fw_blobs[FW_ISP22XX];
6509 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6510 blob = &qla_fw_blobs[FW_ISP2300];
6511 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6512 blob = &qla_fw_blobs[FW_ISP2322];
6513 } else if (IS_QLA24XX_TYPE(ha)) {
6514 blob = &qla_fw_blobs[FW_ISP24XX];
6515 } else if (IS_QLA25XX(ha)) {
6516 blob = &qla_fw_blobs[FW_ISP25XX];
6517 } else if (IS_QLA81XX(ha)) {
6518 blob = &qla_fw_blobs[FW_ISP81XX];
6519 } else if (IS_QLA82XX(ha)) {
6520 blob = &qla_fw_blobs[FW_ISP82XX];
6521 } else if (IS_QLA2031(ha)) {
6522 blob = &qla_fw_blobs[FW_ISP2031];
6523 } else if (IS_QLA8031(ha)) {
6524 blob = &qla_fw_blobs[FW_ISP8031];
6525 } else if (IS_QLA27XX(ha)) {
6526 blob = &qla_fw_blobs[FW_ISP27XX];
6527 } else {
6528 return NULL;
6529 }
6530
6531 mutex_lock(&qla_fw_lock);
6532 if (blob->fw)
6533 goto out;
6534
6535 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6536 ql_log(ql_log_warn, vha, 0x0063,
6537 "Failed to load firmware image (%s).\n", blob->name);
6538 blob->fw = NULL;
6539 blob = NULL;
6540 goto out;
6541 }
6542
6543 out:
6544 mutex_unlock(&qla_fw_lock);
6545 return blob;
6546 }
6547
6548 static void
qla2x00_release_firmware(void)6549 qla2x00_release_firmware(void)
6550 {
6551 int idx;
6552
6553 mutex_lock(&qla_fw_lock);
6554 for (idx = 0; idx < FW_BLOBS; idx++)
6555 release_firmware(qla_fw_blobs[idx].fw);
6556 mutex_unlock(&qla_fw_lock);
6557 }
6558
6559 static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t state)6560 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
6561 {
6562 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
6563 struct qla_hw_data *ha = vha->hw;
6564
6565 ql_dbg(ql_dbg_aer, vha, 0x9000,
6566 "PCI error detected, state %x.\n", state);
6567
6568 if (!atomic_read(&pdev->enable_cnt)) {
6569 ql_log(ql_log_info, vha, 0xffff,
6570 "PCI device is disabled,state %x\n", state);
6571 return PCI_ERS_RESULT_NEED_RESET;
6572 }
6573
6574 switch (state) {
6575 case pci_channel_io_normal:
6576 ha->flags.eeh_busy = 0;
6577 if (ql2xmqsupport || ql2xnvmeenable) {
6578 set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6579 qla2xxx_wake_dpc(vha);
6580 }
6581 return PCI_ERS_RESULT_CAN_RECOVER;
6582 case pci_channel_io_frozen:
6583 ha->flags.eeh_busy = 1;
6584 /* For ISP82XX complete any pending mailbox cmd */
6585 if (IS_QLA82XX(ha)) {
6586 ha->flags.isp82xx_fw_hung = 1;
6587 ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
6588 qla82xx_clear_pending_mbx(vha);
6589 }
6590 qla2x00_free_irqs(vha);
6591 pci_disable_device(pdev);
6592 /* Return back all IOs */
6593 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6594 if (ql2xmqsupport || ql2xnvmeenable) {
6595 set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6596 qla2xxx_wake_dpc(vha);
6597 }
6598 return PCI_ERS_RESULT_NEED_RESET;
6599 case pci_channel_io_perm_failure:
6600 ha->flags.pci_channel_io_perm_failure = 1;
6601 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6602 if (ql2xmqsupport || ql2xnvmeenable) {
6603 set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6604 qla2xxx_wake_dpc(vha);
6605 }
6606 return PCI_ERS_RESULT_DISCONNECT;
6607 }
6608 return PCI_ERS_RESULT_NEED_RESET;
6609 }
6610
6611 static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev * pdev)6612 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
6613 {
6614 int risc_paused = 0;
6615 uint32_t stat;
6616 unsigned long flags;
6617 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6618 struct qla_hw_data *ha = base_vha->hw;
6619 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6620 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
6621
6622 if (IS_QLA82XX(ha))
6623 return PCI_ERS_RESULT_RECOVERED;
6624
6625 spin_lock_irqsave(&ha->hardware_lock, flags);
6626 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
6627 stat = RD_REG_DWORD(®->hccr);
6628 if (stat & HCCR_RISC_PAUSE)
6629 risc_paused = 1;
6630 } else if (IS_QLA23XX(ha)) {
6631 stat = RD_REG_DWORD(®->u.isp2300.host_status);
6632 if (stat & HSR_RISC_PAUSED)
6633 risc_paused = 1;
6634 } else if (IS_FWI2_CAPABLE(ha)) {
6635 stat = RD_REG_DWORD(®24->host_status);
6636 if (stat & HSRX_RISC_PAUSED)
6637 risc_paused = 1;
6638 }
6639 spin_unlock_irqrestore(&ha->hardware_lock, flags);
6640
6641 if (risc_paused) {
6642 ql_log(ql_log_info, base_vha, 0x9003,
6643 "RISC paused -- mmio_enabled, Dumping firmware.\n");
6644 ha->isp_ops->fw_dump(base_vha, 0);
6645
6646 return PCI_ERS_RESULT_NEED_RESET;
6647 } else
6648 return PCI_ERS_RESULT_RECOVERED;
6649 }
6650
6651 static uint32_t
qla82xx_error_recovery(scsi_qla_host_t * base_vha)6652 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6653 {
6654 uint32_t rval = QLA_FUNCTION_FAILED;
6655 uint32_t drv_active = 0;
6656 struct qla_hw_data *ha = base_vha->hw;
6657 int fn;
6658 struct pci_dev *other_pdev = NULL;
6659
6660 ql_dbg(ql_dbg_aer, base_vha, 0x9006,
6661 "Entered %s.\n", __func__);
6662
6663 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6664
6665 if (base_vha->flags.online) {
6666 /* Abort all outstanding commands,
6667 * so as to be requeued later */
6668 qla2x00_abort_isp_cleanup(base_vha);
6669 }
6670
6671
6672 fn = PCI_FUNC(ha->pdev->devfn);
6673 while (fn > 0) {
6674 fn--;
6675 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
6676 "Finding pci device at function = 0x%x.\n", fn);
6677 other_pdev =
6678 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
6679 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
6680 fn));
6681
6682 if (!other_pdev)
6683 continue;
6684 if (atomic_read(&other_pdev->enable_cnt)) {
6685 ql_dbg(ql_dbg_aer, base_vha, 0x9008,
6686 "Found PCI func available and enable at 0x%x.\n",
6687 fn);
6688 pci_dev_put(other_pdev);
6689 break;
6690 }
6691 pci_dev_put(other_pdev);
6692 }
6693
6694 if (!fn) {
6695 /* Reset owner */
6696 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
6697 "This devfn is reset owner = 0x%x.\n",
6698 ha->pdev->devfn);
6699 qla82xx_idc_lock(ha);
6700
6701 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6702 QLA8XXX_DEV_INITIALIZING);
6703
6704 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
6705 QLA82XX_IDC_VERSION);
6706
6707 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6708 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
6709 "drv_active = 0x%x.\n", drv_active);
6710
6711 qla82xx_idc_unlock(ha);
6712 /* Reset if device is not already reset
6713 * drv_active would be 0 if a reset has already been done
6714 */
6715 if (drv_active)
6716 rval = qla82xx_start_firmware(base_vha);
6717 else
6718 rval = QLA_SUCCESS;
6719 qla82xx_idc_lock(ha);
6720
6721 if (rval != QLA_SUCCESS) {
6722 ql_log(ql_log_info, base_vha, 0x900b,
6723 "HW State: FAILED.\n");
6724 qla82xx_clear_drv_active(ha);
6725 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6726 QLA8XXX_DEV_FAILED);
6727 } else {
6728 ql_log(ql_log_info, base_vha, 0x900c,
6729 "HW State: READY.\n");
6730 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6731 QLA8XXX_DEV_READY);
6732 qla82xx_idc_unlock(ha);
6733 ha->flags.isp82xx_fw_hung = 0;
6734 rval = qla82xx_restart_isp(base_vha);
6735 qla82xx_idc_lock(ha);
6736 /* Clear driver state register */
6737 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
6738 qla82xx_set_drv_active(base_vha);
6739 }
6740 qla82xx_idc_unlock(ha);
6741 } else {
6742 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
6743 "This devfn is not reset owner = 0x%x.\n",
6744 ha->pdev->devfn);
6745 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6746 QLA8XXX_DEV_READY)) {
6747 ha->flags.isp82xx_fw_hung = 0;
6748 rval = qla82xx_restart_isp(base_vha);
6749 qla82xx_idc_lock(ha);
6750 qla82xx_set_drv_active(base_vha);
6751 qla82xx_idc_unlock(ha);
6752 }
6753 }
6754 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6755
6756 return rval;
6757 }
6758
6759 static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev * pdev)6760 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
6761 {
6762 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6763 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6764 struct qla_hw_data *ha = base_vha->hw;
6765 struct rsp_que *rsp;
6766 int rc, retries = 10;
6767
6768 ql_dbg(ql_dbg_aer, base_vha, 0x9004,
6769 "Slot Reset.\n");
6770
6771 /* Workaround: qla2xxx driver which access hardware earlier
6772 * needs error state to be pci_channel_io_online.
6773 * Otherwise mailbox command timesout.
6774 */
6775 pdev->error_state = pci_channel_io_normal;
6776
6777 pci_restore_state(pdev);
6778
6779 /* pci_restore_state() clears the saved_state flag of the device
6780 * save restored state which resets saved_state flag
6781 */
6782 pci_save_state(pdev);
6783
6784 if (ha->mem_only)
6785 rc = pci_enable_device_mem(pdev);
6786 else
6787 rc = pci_enable_device(pdev);
6788
6789 if (rc) {
6790 ql_log(ql_log_warn, base_vha, 0x9005,
6791 "Can't re-enable PCI device after reset.\n");
6792 goto exit_slot_reset;
6793 }
6794
6795 rsp = ha->rsp_q_map[0];
6796 if (qla2x00_request_irqs(ha, rsp))
6797 goto exit_slot_reset;
6798
6799 if (ha->isp_ops->pci_config(base_vha))
6800 goto exit_slot_reset;
6801
6802 if (IS_QLA82XX(ha)) {
6803 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
6804 ret = PCI_ERS_RESULT_RECOVERED;
6805 goto exit_slot_reset;
6806 } else
6807 goto exit_slot_reset;
6808 }
6809
6810 while (ha->flags.mbox_busy && retries--)
6811 msleep(1000);
6812
6813 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6814 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6815 ret = PCI_ERS_RESULT_RECOVERED;
6816 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6817
6818
6819 exit_slot_reset:
6820 ql_dbg(ql_dbg_aer, base_vha, 0x900e,
6821 "slot_reset return %x.\n", ret);
6822
6823 return ret;
6824 }
6825
6826 static void
qla2xxx_pci_resume(struct pci_dev * pdev)6827 qla2xxx_pci_resume(struct pci_dev *pdev)
6828 {
6829 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6830 struct qla_hw_data *ha = base_vha->hw;
6831 int ret;
6832
6833 ql_dbg(ql_dbg_aer, base_vha, 0x900f,
6834 "pci_resume.\n");
6835
6836 ret = qla2x00_wait_for_hba_online(base_vha);
6837 if (ret != QLA_SUCCESS) {
6838 ql_log(ql_log_fatal, base_vha, 0x9002,
6839 "The device failed to resume I/O from slot/link_reset.\n");
6840 }
6841
6842 pci_cleanup_aer_uncorrect_error_status(pdev);
6843
6844 ha->flags.eeh_busy = 0;
6845 }
6846
qla2xxx_map_queues(struct Scsi_Host * shost)6847 static int qla2xxx_map_queues(struct Scsi_Host *shost)
6848 {
6849 int rc;
6850 scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
6851
6852 if (USER_CTRL_IRQ(vha->hw))
6853 rc = blk_mq_map_queues(&shost->tag_set);
6854 else
6855 rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev, 0);
6856 return rc;
6857 }
6858
6859 static const struct pci_error_handlers qla2xxx_err_handler = {
6860 .error_detected = qla2xxx_pci_error_detected,
6861 .mmio_enabled = qla2xxx_pci_mmio_enabled,
6862 .slot_reset = qla2xxx_pci_slot_reset,
6863 .resume = qla2xxx_pci_resume,
6864 };
6865
6866 static struct pci_device_id qla2xxx_pci_tbl[] = {
6867 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
6868 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
6869 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
6870 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
6871 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
6872 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
6873 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
6874 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
6875 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6876 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6877 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
6878 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6879 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6880 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6881 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6882 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6883 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6884 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6885 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6886 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6887 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6888 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6889 { 0 },
6890 };
6891 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
6892
6893 static struct pci_driver qla2xxx_pci_driver = {
6894 .name = QLA2XXX_DRIVER_NAME,
6895 .driver = {
6896 .owner = THIS_MODULE,
6897 },
6898 .id_table = qla2xxx_pci_tbl,
6899 .probe = qla2x00_probe_one,
6900 .remove = qla2x00_remove_one,
6901 .shutdown = qla2x00_shutdown,
6902 .err_handler = &qla2xxx_err_handler,
6903 };
6904
6905 static const struct file_operations apidev_fops = {
6906 .owner = THIS_MODULE,
6907 .llseek = noop_llseek,
6908 };
6909
6910 /**
6911 * qla2x00_module_init - Module initialization.
6912 **/
6913 static int __init
qla2x00_module_init(void)6914 qla2x00_module_init(void)
6915 {
6916 int ret = 0;
6917
6918 /* Allocate cache for SRBs. */
6919 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6920 SLAB_HWCACHE_ALIGN, NULL);
6921 if (srb_cachep == NULL) {
6922 ql_log(ql_log_fatal, NULL, 0x0001,
6923 "Unable to allocate SRB cache...Failing load!.\n");
6924 return -ENOMEM;
6925 }
6926
6927 /* Initialize target kmem_cache and mem_pools */
6928 ret = qlt_init();
6929 if (ret < 0) {
6930 kmem_cache_destroy(srb_cachep);
6931 return ret;
6932 } else if (ret > 0) {
6933 /*
6934 * If initiator mode is explictly disabled by qlt_init(),
6935 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
6936 * performing scsi_scan_target() during LOOP UP event.
6937 */
6938 qla2xxx_transport_functions.disable_target_scan = 1;
6939 qla2xxx_transport_vport_functions.disable_target_scan = 1;
6940 }
6941
6942 /* Derive version string. */
6943 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6944 if (ql2xextended_error_logging)
6945 strcat(qla2x00_version_str, "-debug");
6946 if (ql2xextended_error_logging == 1)
6947 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6948
6949 qla2xxx_transport_template =
6950 fc_attach_transport(&qla2xxx_transport_functions);
6951 if (!qla2xxx_transport_template) {
6952 kmem_cache_destroy(srb_cachep);
6953 ql_log(ql_log_fatal, NULL, 0x0002,
6954 "fc_attach_transport failed...Failing load!.\n");
6955 qlt_exit();
6956 return -ENODEV;
6957 }
6958
6959 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
6960 if (apidev_major < 0) {
6961 ql_log(ql_log_fatal, NULL, 0x0003,
6962 "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6963 }
6964
6965 qla2xxx_transport_vport_template =
6966 fc_attach_transport(&qla2xxx_transport_vport_functions);
6967 if (!qla2xxx_transport_vport_template) {
6968 kmem_cache_destroy(srb_cachep);
6969 qlt_exit();
6970 fc_release_transport(qla2xxx_transport_template);
6971 ql_log(ql_log_fatal, NULL, 0x0004,
6972 "fc_attach_transport vport failed...Failing load!.\n");
6973 return -ENODEV;
6974 }
6975 ql_log(ql_log_info, NULL, 0x0005,
6976 "QLogic Fibre Channel HBA Driver: %s.\n",
6977 qla2x00_version_str);
6978 ret = pci_register_driver(&qla2xxx_pci_driver);
6979 if (ret) {
6980 kmem_cache_destroy(srb_cachep);
6981 qlt_exit();
6982 fc_release_transport(qla2xxx_transport_template);
6983 fc_release_transport(qla2xxx_transport_vport_template);
6984 ql_log(ql_log_fatal, NULL, 0x0006,
6985 "pci_register_driver failed...ret=%d Failing load!.\n",
6986 ret);
6987 }
6988 return ret;
6989 }
6990
6991 /**
6992 * qla2x00_module_exit - Module cleanup.
6993 **/
6994 static void __exit
qla2x00_module_exit(void)6995 qla2x00_module_exit(void)
6996 {
6997 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6998 pci_unregister_driver(&qla2xxx_pci_driver);
6999 qla2x00_release_firmware();
7000 kmem_cache_destroy(srb_cachep);
7001 qlt_exit();
7002 if (ctx_cachep)
7003 kmem_cache_destroy(ctx_cachep);
7004 fc_release_transport(qla2xxx_transport_template);
7005 fc_release_transport(qla2xxx_transport_vport_template);
7006 }
7007
7008 module_init(qla2x00_module_init);
7009 module_exit(qla2x00_module_exit);
7010
7011 MODULE_AUTHOR("QLogic Corporation");
7012 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7013 MODULE_LICENSE("GPL");
7014 MODULE_VERSION(QLA2XXX_VERSION);
7015 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7016 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7017 MODULE_FIRMWARE(FW_FILE_ISP2300);
7018 MODULE_FIRMWARE(FW_FILE_ISP2322);
7019 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7020 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7021
