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[SCSI] qla2xxx: Updates for ISP82xx.
[linux-block.git] / drivers / scsi / qla2xxx / qla_os.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/moduleparam.h>
10#include <linux/vmalloc.h>
1da177e4 11#include <linux/delay.h>
39a11240 12#include <linux/kthread.h>
e1e82b6f 13#include <linux/mutex.h>
3420d36c 14#include <linux/kobject.h>
5a0e3ad6 15#include <linux/slab.h>
1da177e4
LT		 16
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/*
23 * Driver version
24 */
25char qla2x00_version_str[40];
26
6a03b4cd
HZ		 27static int apidev_major;
28
1da177e4
LT		 29/*
30 * SRB allocation cache
31 */
e18b890b 32static struct kmem_cache *srb_cachep;
1da177e4 33
a9083016
GM		 34/*
35 * CT6 CTX allocation cache
36 */
37static struct kmem_cache *ctx_cachep;
38
1da177e4
LT		 39int ql2xlogintimeout = 20;
40module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
41MODULE_PARM_DESC(ql2xlogintimeout,
42 "Login timeout value in seconds.");
43
a7b61842 44int qlport_down_retry;
1da177e4
LT		 45module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
46MODULE_PARM_DESC(qlport_down_retry,
900d9f98 47 "Maximum number of command retries to a port that returns "
1da177e4
LT		 48 "a PORT-DOWN status.");
49
1da177e4
LT		 50int ql2xplogiabsentdevice;
51module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
52MODULE_PARM_DESC(ql2xplogiabsentdevice,
53 "Option to enable PLOGI to devices that are not present after "
900d9f98 54 "a Fabric scan. This is needed for several broken switches. "
1da177e4
LT		 55 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
56
1da177e4
LT		 57int ql2xloginretrycount = 0;
58module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
59MODULE_PARM_DESC(ql2xloginretrycount,
60 "Specify an alternate value for the NVRAM login retry count.");
61
a7a167bf
AV		 62int ql2xallocfwdump = 1;
63module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR);
64MODULE_PARM_DESC(ql2xallocfwdump,
65 "Option to enable allocation of memory for a firmware dump "
66 "during HBA initialization. Memory allocation requirements "
67 "vary by ISP type. Default is 1 - allocate memory.");
68
11010fec 69int ql2xextended_error_logging;
27d94035 70module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
11010fec 71MODULE_PARM_DESC(ql2xextended_error_logging,
0181944f
AV		 72 "Option to enable extended error logging, "
73 "Default is 0 - no logging. 1 - log errors.");
74
a9083016
GM		 75int ql2xshiftctondsd = 6;
76module_param(ql2xshiftctondsd, int, S_IRUGO|S_IRUSR);
77MODULE_PARM_DESC(ql2xshiftctondsd,
78 "Set to control shifting of command type processing "
79 "based on total number of SG elements.");
80
1da177e4
LT		 81static void qla2x00_free_device(scsi_qla_host_t *);
82
7e47e5ca 83int ql2xfdmienable=1;
cca5335c
AV		 84module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
85MODULE_PARM_DESC(ql2xfdmienable,
7794a5af
FW		 86 "Enables FDMI registrations. "
87 "0 - no FDMI. Default is 1 - perform FDMI.");
cca5335c 88
df7baa50
AV		 89#define MAX_Q_DEPTH 32
90static int ql2xmaxqdepth = MAX_Q_DEPTH;
91module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
92MODULE_PARM_DESC(ql2xmaxqdepth,
93 "Maximum queue depth to report for target devices.");
94
bad75002
AE		 95/* Do not change the value of this after module load */
96int ql2xenabledif = 1;
97module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
98MODULE_PARM_DESC(ql2xenabledif,
99 " Enable T10-CRC-DIF "
100 " Default is 0 - No DIF Support. 1 - Enable it");
101
102int ql2xenablehba_err_chk;
103module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
104MODULE_PARM_DESC(ql2xenablehba_err_chk,
105 " Enable T10-CRC-DIF Error isolation by HBA"
106 " Default is 0 - Error isolation disabled, 1 - Enable it");
107
e5896bd5
AV		 108int ql2xiidmaenable=1;
109module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
110MODULE_PARM_DESC(ql2xiidmaenable,
111 "Enables iIDMA settings "
112 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
113
73208dfd
AC		 114int ql2xmaxqueues = 1;
115module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR);
116MODULE_PARM_DESC(ql2xmaxqueues,
117 "Enables MQ settings "
118 "Default is 1 for single queue. Set it to number \
119 of queues in MQ mode.");
68ca949c
AC		 120
121int ql2xmultique_tag;
122module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR);
123MODULE_PARM_DESC(ql2xmultique_tag,
124 "Enables CPU affinity settings for the driver "
125 "Default is 0 for no affinity of request and response IO. "
126 "Set it to 1 to turn on the cpu affinity.");
e337d907
AV		 127
128int ql2xfwloadbin;
129module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
130MODULE_PARM_DESC(ql2xfwloadbin,
131 "Option to specify location from which to load ISP firmware:\n"
132 " 2 -- load firmware via the request_firmware() (hotplug)\n"
133 " interface.\n"
134 " 1 -- load firmware from flash.\n"
135 " 0 -- use default semantics.\n");
136
ae97c91e
AV		 137int ql2xetsenable;
138module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);
139MODULE_PARM_DESC(ql2xetsenable,
140 "Enables firmware ETS burst."
141 "Default is 0 - skip ETS enablement.");
142
6907869d 143int ql2xdbwr = 1;
a9083016
GM		 144module_param(ql2xdbwr, int, S_IRUGO|S_IRUSR);
145MODULE_PARM_DESC(ql2xdbwr,
146 "Option to specify scheme for request queue posting\n"
147 " 0 -- Regular doorbell.\n"
148 " 1 -- CAMRAM doorbell (faster).\n");
149
150int ql2xdontresethba;
151module_param(ql2xdontresethba, int, S_IRUGO|S_IRUSR);
152MODULE_PARM_DESC(ql2xdontresethba,
153 "Option to specify reset behaviour\n"
154 " 0 (Default) -- Reset on failure.\n"
155 " 1 -- Do not reset on failure.\n");
156
f4c496c1
GM		 157int ql2xtargetreset = 1;
158module_param(ql2xtargetreset, int, S_IRUGO|S_IRUSR);
159MODULE_PARM_DESC(ql2xtargetreset,
160 "Enable target reset."
161 "Default is 1 - use hw defaults.");
162
a9083016 163
3822263e
MI		 164int ql2xasynctmfenable;
165module_param(ql2xasynctmfenable, int, S_IRUGO|S_IRUSR);
166MODULE_PARM_DESC(ql2xasynctmfenable,
167 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
168 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
1da177e4 169/*
fa2a1ce5 170 * SCSI host template entry points
1da177e4
LT		 171 */
172static int qla2xxx_slave_configure(struct scsi_device * device);
f4f051eb 173static int qla2xxx_slave_alloc(struct scsi_device *);
1e99e33a
AV		 174static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
175static void qla2xxx_scan_start(struct Scsi_Host *);
f4f051eb 176static void qla2xxx_slave_destroy(struct scsi_device *);
a5326f86 177static int qla2xxx_queuecommand(struct scsi_cmnd *cmd,
fca29703 178 void (*fn)(struct scsi_cmnd *));
1da177e4
LT		 179static int qla2xxx_eh_abort(struct scsi_cmnd *);
180static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
523ec773 181static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
1da177e4
LT		 182static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
183static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
1da177e4 184
e881a172 185static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
ce7e4af7
AV		 186static int qla2x00_change_queue_type(struct scsi_device *, int);
187
a5326f86 188struct scsi_host_template qla2xxx_driver_template = {
1da177e4 189 .module = THIS_MODULE,
cb63067a 190 .name = QLA2XXX_DRIVER_NAME,
a5326f86 191 .queuecommand = qla2xxx_queuecommand,
fca29703
AV		 192
193 .eh_abort_handler = qla2xxx_eh_abort,
194 .eh_device_reset_handler = qla2xxx_eh_device_reset,
523ec773 195 .eh_target_reset_handler = qla2xxx_eh_target_reset,
fca29703
AV		 196 .eh_bus_reset_handler = qla2xxx_eh_bus_reset,
197 .eh_host_reset_handler = qla2xxx_eh_host_reset,
198
199 .slave_configure = qla2xxx_slave_configure,
200
201 .slave_alloc = qla2xxx_slave_alloc,
202 .slave_destroy = qla2xxx_slave_destroy,
ed677086
AV		 203 .scan_finished = qla2xxx_scan_finished,
204 .scan_start = qla2xxx_scan_start,
ce7e4af7
AV		 205 .change_queue_depth = qla2x00_change_queue_depth,
206 .change_queue_type = qla2x00_change_queue_type,
fca29703
AV		 207 .this_id = -1,
208 .cmd_per_lun = 3,
209 .use_clustering = ENABLE_CLUSTERING,
210 .sg_tablesize = SG_ALL,
211
212 .max_sectors = 0xFFFF,
afb046e2 213 .shost_attrs = qla2x00_host_attrs,
fca29703
AV		 214};
215
1da177e4 216static struct scsi_transport_template *qla2xxx_transport_template = NULL;
2c3dfe3f 217struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
1da177e4 218
1da177e4
LT		 219/* TODO Convert to inlines
220 *
221 * Timer routines
222 */
1da177e4 223
2c3dfe3f 224__inline__ void
e315cd28 225qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
1da177e4 226{
e315cd28
AC		 227 init_timer(&vha->timer);
228 vha->timer.expires = jiffies + interval * HZ;
229 vha->timer.data = (unsigned long)vha;
230 vha->timer.function = (void (*)(unsigned long))func;
231 add_timer(&vha->timer);
232 vha->timer_active = 1;
1da177e4
LT		 233}
234
235static inline void
e315cd28 236qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
1da177e4 237{
a9083016
GM		 238 /* Currently used for 82XX only. */
239 if (vha->device_flags & DFLG_DEV_FAILED)
240 return;
241
e315cd28 242 mod_timer(&vha->timer, jiffies + interval * HZ);
1da177e4
LT		 243}
244
a824ebb3 245static __inline__ void
e315cd28 246qla2x00_stop_timer(scsi_qla_host_t *vha)
1da177e4 247{
e315cd28
AC		 248 del_timer_sync(&vha->timer);
249 vha->timer_active = 0;
1da177e4
LT		 250}
251
1da177e4
LT		 252static int qla2x00_do_dpc(void *data);
253
254static void qla2x00_rst_aen(scsi_qla_host_t *);
255
73208dfd
AC		 256static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
257 struct req_que **, struct rsp_que **);
e315cd28
AC		 258static void qla2x00_mem_free(struct qla_hw_data *);
259static void qla2x00_sp_free_dma(srb_t *);
1da177e4 260
1da177e4 261/* -------------------------------------------------------------------------- */
73208dfd
AC		 262static int qla2x00_alloc_queues(struct qla_hw_data *ha)
263{
2afa19a9 264 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
73208dfd
AC		 265 GFP_KERNEL);
266 if (!ha->req_q_map) {
267 qla_printk(KERN_WARNING, ha,
268 "Unable to allocate memory for request queue ptrs\n");
269 goto fail_req_map;
270 }
271
2afa19a9 272 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
73208dfd
AC		 273 GFP_KERNEL);
274 if (!ha->rsp_q_map) {
275 qla_printk(KERN_WARNING, ha,
276 "Unable to allocate memory for response queue ptrs\n");
277 goto fail_rsp_map;
278 }
279 set_bit(0, ha->rsp_qid_map);
280 set_bit(0, ha->req_qid_map);
281 return 1;
282
283fail_rsp_map:
284 kfree(ha->req_q_map);
285 ha->req_q_map = NULL;
286fail_req_map:
287 return -ENOMEM;
288}
289
2afa19a9 290static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
73208dfd 291{
73208dfd
AC		 292 if (req && req->ring)
293 dma_free_coherent(&ha->pdev->dev,
294 (req->length + 1) * sizeof(request_t),
295 req->ring, req->dma);
296
297 kfree(req);
298 req = NULL;
299}
300
2afa19a9
AC		 301static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
302{
303 if (rsp && rsp->ring)
304 dma_free_coherent(&ha->pdev->dev,
305 (rsp->length + 1) * sizeof(response_t),
306 rsp->ring, rsp->dma);
307
308 kfree(rsp);
309 rsp = NULL;
310}
311
73208dfd
AC		 312static void qla2x00_free_queues(struct qla_hw_data *ha)
313{
314 struct req_que *req;
315 struct rsp_que *rsp;
316 int cnt;
317
2afa19a9 318 for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
73208dfd 319 req = ha->req_q_map[cnt];
2afa19a9 320 qla2x00_free_req_que(ha, req);
73208dfd 321 }
73208dfd
AC		 322 kfree(ha->req_q_map);
323 ha->req_q_map = NULL;
2afa19a9
AC		 324
325 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
326 rsp = ha->rsp_q_map[cnt];
327 qla2x00_free_rsp_que(ha, rsp);
328 }
329 kfree(ha->rsp_q_map);
330 ha->rsp_q_map = NULL;
73208dfd
AC		 331}
332
68ca949c
AC		 333static int qla25xx_setup_mode(struct scsi_qla_host *vha)
334{
335 uint16_t options = 0;
336 int ques, req, ret;
337 struct qla_hw_data *ha = vha->hw;
338
7163ea81
AC		 339 if (!(ha->fw_attributes & BIT_6)) {
340 qla_printk(KERN_INFO, ha,
341 "Firmware is not multi-queue capable\n");
342 goto fail;
343 }
68ca949c 344 if (ql2xmultique_tag) {
68ca949c
AC		 345 /* create a request queue for IO */
346 options |= BIT_7;
347 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
348 QLA_DEFAULT_QUE_QOS);
349 if (!req) {
350 qla_printk(KERN_WARNING, ha,
351 "Can't create request queue\n");
352 goto fail;
353 }
7163ea81 354 ha->wq = create_workqueue("qla2xxx_wq");
68ca949c
AC		 355 vha->req = ha->req_q_map[req];
356 options |= BIT_1;
357 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
358 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
359 if (!ret) {
360 qla_printk(KERN_WARNING, ha,
361 "Response Queue create failed\n");
362 goto fail2;
363 }
364 }
7163ea81
AC		 365 ha->flags.cpu_affinity_enabled = 1;
366
68ca949c
AC		 367 DEBUG2(qla_printk(KERN_INFO, ha,
368 "CPU affinity mode enabled, no. of response"
369 " queues:%d, no. of request queues:%d\n",
370 ha->max_rsp_queues, ha->max_req_queues));
371 }
372 return 0;
373fail2:
374 qla25xx_delete_queues(vha);
7163ea81
AC		 375 destroy_workqueue(ha->wq);
376 ha->wq = NULL;
68ca949c
AC		 377fail:
378 ha->mqenable = 0;
7163ea81
AC		 379 kfree(ha->req_q_map);
380 kfree(ha->rsp_q_map);
381 ha->max_req_queues = ha->max_rsp_queues = 1;
68ca949c
AC		 382 return 1;
383}
384
1da177e4 385static char *
e315cd28 386qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
1da177e4 387{
e315cd28 388 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 389 static char *pci_bus_modes[] = {
390 "33", "66", "100", "133",
391 };
392 uint16_t pci_bus;
393
394 strcpy(str, "PCI");
395 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
396 if (pci_bus) {
397 strcat(str, "-X (");
398 strcat(str, pci_bus_modes[pci_bus]);
399 } else {
400 pci_bus = (ha->pci_attr & BIT_8) >> 8;
401 strcat(str, " (");
402 strcat(str, pci_bus_modes[pci_bus]);
403 }
404 strcat(str, " MHz)");
405
406 return (str);
407}
408
fca29703 409static char *
e315cd28 410qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
fca29703
AV		 411{
412 static char *pci_bus_modes[] = { "33", "66", "100", "133", };
e315cd28 413 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 414 uint32_t pci_bus;
415 int pcie_reg;
416
417 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
418 if (pcie_reg) {
419 char lwstr[6];
420 uint16_t pcie_lstat, lspeed, lwidth;
421
422 pcie_reg += 0x12;
423 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
424 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
425 lwidth = (pcie_lstat &
426 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
427
428 strcpy(str, "PCIe (");
429 if (lspeed == 1)
c87a0d8c 430 strcat(str, "2.5GT/s ");
c3a2f0df 431 else if (lspeed == 2)
c87a0d8c 432 strcat(str, "5.0GT/s ");
fca29703
AV		 433 else
434 strcat(str, "<unknown> ");
435 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
436 strcat(str, lwstr);
437
438 return str;
439 }
440
441 strcpy(str, "PCI");
442 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
443 if (pci_bus == 0 || pci_bus == 8) {
444 strcat(str, " (");
445 strcat(str, pci_bus_modes[pci_bus >> 3]);
446 } else {
447 strcat(str, "-X ");
448 if (pci_bus & BIT_2)
449 strcat(str, "Mode 2");
450 else
451 strcat(str, "Mode 1");
452 strcat(str, " (");
453 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
454 }
455 strcat(str, " MHz)");
456
457 return str;
458}
459
e5f82ab8 460static char *
e315cd28 461qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
1da177e4
LT		 462{
463 char un_str[10];
e315cd28 464 struct qla_hw_data *ha = vha->hw;
fa2a1ce5 465
1da177e4
LT		 466 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
467 ha->fw_minor_version,
468 ha->fw_subminor_version);
469
470 if (ha->fw_attributes & BIT_9) {
471 strcat(str, "FLX");
472 return (str);
473 }
474
475 switch (ha->fw_attributes & 0xFF) {
476 case 0x7:
477 strcat(str, "EF");
478 break;
479 case 0x17:
480 strcat(str, "TP");
481 break;
482 case 0x37:
483 strcat(str, "IP");
484 break;
485 case 0x77:
486 strcat(str, "VI");
487 break;
488 default:
489 sprintf(un_str, "(%x)", ha->fw_attributes);
490 strcat(str, un_str);
491 break;
492 }
493 if (ha->fw_attributes & 0x100)
494 strcat(str, "X");
495
496 return (str);
497}
498
e5f82ab8 499static char *
e315cd28 500qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
fca29703 501{
e315cd28 502 struct qla_hw_data *ha = vha->hw;
f0883ac6 503
3a03eb79
AV		 504 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
505 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
fca29703 506 return str;
fca29703
AV		 507}
508
509static inline srb_t *
e315cd28 510qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport,
fca29703
AV		 511 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
512{
513 srb_t *sp;
e315cd28 514 struct qla_hw_data *ha = vha->hw;
fca29703
AV		 515
516 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
517 if (!sp)
518 return sp;
519
083a469d 520 atomic_set(&sp->ref_count, 1);
fca29703
AV		 521 sp->fcport = fcport;
522 sp->cmd = cmd;
523 sp->flags = 0;
524 CMD_SP(cmd) = (void *)sp;
525 cmd->scsi_done = done;
cf53b069 526 sp->ctx = NULL;
fca29703
AV		 527
528 return sp;
529}
530
1da177e4 531static int
a5326f86 532qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
fca29703 533{
e315cd28 534 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
fca29703 535 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
19a7b4ae 536 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
e315cd28
AC		 537 struct qla_hw_data *ha = vha->hw;
538 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
fca29703
AV		 539 srb_t *sp;
540 int rval;
541
85880801
AV		 542 if (ha->flags.eeh_busy) {
543 if (ha->flags.pci_channel_io_perm_failure)
b9b12f73 544 cmd->result = DID_NO_CONNECT << 16;
85880801
AV		 545 else
546 cmd->result = DID_REQUEUE << 16;
14e660e6
SJ		 547 goto qc24_fail_command;
548 }
549
19a7b4ae
JSEC		 550 rval = fc_remote_port_chkready(rport);
551 if (rval) {
552 cmd->result = rval;
fca29703
AV		 553 goto qc24_fail_command;
554 }
555
387f96b4 556 /* Close window on fcport/rport state-transitioning. */
7b594131
MC		 557 if (fcport->drport)
558 goto qc24_target_busy;
387f96b4 559
bad75002
AE		 560 if (!vha->flags.difdix_supported &&
561 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
562 DEBUG2(qla_printk(KERN_ERR, ha,
563 "DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
564 cmd->cmnd[0]));
565 cmd->result = DID_NO_CONNECT << 16;
566 goto qc24_fail_command;
567 }
fca29703
AV		 568 if (atomic_read(&fcport->state) != FCS_ONLINE) {
569 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
e315cd28 570 atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
fca29703
AV		 571 cmd->result = DID_NO_CONNECT << 16;
572 goto qc24_fail_command;
573 }
7b594131 574 goto qc24_target_busy;
fca29703
AV		 575 }
576
e315cd28 577 spin_unlock_irq(vha->host->host_lock);
fca29703 578
e315cd28 579 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done);
fca29703
AV		 580 if (!sp)
581 goto qc24_host_busy_lock;
582
e315cd28 583 rval = ha->isp_ops->start_scsi(sp);
fca29703
AV		 584 if (rval != QLA_SUCCESS)
585 goto qc24_host_busy_free_sp;
586
e315cd28 587 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 588
589 return 0;
590
591qc24_host_busy_free_sp:
e315cd28
AC		 592 qla2x00_sp_free_dma(sp);
593 mempool_free(sp, ha->srb_mempool);
fca29703
AV		 594
595qc24_host_busy_lock:
e315cd28 596 spin_lock_irq(vha->host->host_lock);
fca29703
AV		 597 return SCSI_MLQUEUE_HOST_BUSY;
598
7b594131
MC		 599qc24_target_busy:
600 return SCSI_MLQUEUE_TARGET_BUSY;
601
fca29703
AV		 602qc24_fail_command:
603 done(cmd);
604
605 return 0;
606}
607
608
1da177e4
LT		 609/*
610 * qla2x00_eh_wait_on_command
611 * Waits for the command to be returned by the Firmware for some
612 * max time.
613 *
614 * Input:
1da177e4 615 * cmd = Scsi Command to wait on.
1da177e4
LT		 616 *
617 * Return:
618 * Not Found : 0
619 * Found : 1
620 */
621static int
e315cd28 622qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1da177e4 623{
fe74c71f
AV		 624#define ABORT_POLLING_PERIOD 1000
625#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
f4f051eb 626 unsigned long wait_iter = ABORT_WAIT_ITER;
85880801
AV		 627 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
628 struct qla_hw_data *ha = vha->hw;
f4f051eb 629 int ret = QLA_SUCCESS;
1da177e4 630
85880801
AV		 631 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
632 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n"));
633 return ret;
634 }
635
d970432c 636 while (CMD_SP(cmd) && wait_iter--) {
fe74c71f 637 msleep(ABORT_POLLING_PERIOD);
f4f051eb 638 }
639 if (CMD_SP(cmd))
640 ret = QLA_FUNCTION_FAILED;
1da177e4 641
f4f051eb 642 return ret;
1da177e4
LT		 643}
644
645/*
646 * qla2x00_wait_for_hba_online
fa2a1ce5 647 * Wait till the HBA is online after going through
1da177e4
LT		 648 * <= MAX_RETRIES_OF_ISP_ABORT or
649 * finally HBA is disabled ie marked offline
650 *
651 * Input:
652 * ha - pointer to host adapter structure
fa2a1ce5
AV		 653 *
654 * Note:
1da177e4
LT		 655 * Does context switching-Release SPIN_LOCK
656 * (if any) before calling this routine.
657 *
658 * Return:
659 * Success (Adapter is online) : 0
660 * Failed (Adapter is offline/disabled) : 1
661 */
854165f4 662int
e315cd28 663qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1da177e4 664{
fca29703
AV		 665 int return_status;
666 unsigned long wait_online;
e315cd28
AC		 667 struct qla_hw_data *ha = vha->hw;
668 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 669
fa2a1ce5 670 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
e315cd28
AC		 671 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
672 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
673 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
674 ha->dpc_active) && time_before(jiffies, wait_online)) {
1da177e4
LT		 675
676 msleep(1000);
677 }
e315cd28 678 if (base_vha->flags.online)
fa2a1ce5 679 return_status = QLA_SUCCESS;
1da177e4
LT		 680 else
681 return_status = QLA_FUNCTION_FAILED;
682
1da177e4
LT		 683 return (return_status);
684}
685
86fbee86
LC		 686/*
687 * qla2x00_wait_for_reset_ready
688 * Wait till the HBA is online after going through
689 * <= MAX_RETRIES_OF_ISP_ABORT or
690 * finally HBA is disabled ie marked offline or flash
691 * operations are in progress.
692 *
693 * Input:
694 * ha - pointer to host adapter structure
695 *
696 * Note:
697 * Does context switching-Release SPIN_LOCK
698 * (if any) before calling this routine.
699 *
700 * Return:
701 * Success (Adapter is online/no flash ops) : 0
702 * Failed (Adapter is offline/disabled/flash ops in progress) : 1
703 */
704int
705qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
706{
707 int return_status;
708 unsigned long wait_online;
709 struct qla_hw_data *ha = vha->hw;
710 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
711
712 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
713 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
714 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
715 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
716 ha->optrom_state != QLA_SWAITING ||
717 ha->dpc_active) && time_before(jiffies, wait_online))
718 msleep(1000);
719
720 if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING)
721 return_status = QLA_SUCCESS;
722 else
723 return_status = QLA_FUNCTION_FAILED;
724
725 DEBUG2(printk("%s return_status=%d\n", __func__, return_status));
726
727 return return_status;
728}
729
2533cf67
LC		 730int
731qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
732{
733 int return_status;
734 unsigned long wait_reset;
735 struct qla_hw_data *ha = vha->hw;
736 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
737
738 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
739 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
740 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
741 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
742 ha->dpc_active) && time_before(jiffies, wait_reset)) {
743
744 msleep(1000);
745
746 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
747 ha->flags.chip_reset_done)
748 break;
749 }
750 if (ha->flags.chip_reset_done)
751 return_status = QLA_SUCCESS;
752 else
753 return_status = QLA_FUNCTION_FAILED;
754
755 return return_status;
756}
757
1da177e4
LT		 758/*
759 * qla2x00_wait_for_loop_ready
760 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
fa2a1ce5 761 * to be in LOOP_READY state.
1da177e4
LT		 762 * Input:
763 * ha - pointer to host adapter structure
fa2a1ce5
AV		 764 *
765 * Note:
1da177e4
LT		 766 * Does context switching-Release SPIN_LOCK
767 * (if any) before calling this routine.
fa2a1ce5 768 *
1da177e4
LT		 769 *
770 * Return:
771 * Success (LOOP_READY) : 0
772 * Failed (LOOP_NOT_READY) : 1
773 */
fa2a1ce5 774static inline int
e315cd28 775qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
1da177e4
LT		 776{
777 int return_status = QLA_SUCCESS;
778 unsigned long loop_timeout ;
e315cd28
AC		 779 struct qla_hw_data *ha = vha->hw;
780 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 781
782 /* wait for 5 min at the max for loop to be ready */
fa2a1ce5 783 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1da177e4 784
e315cd28
AC		 785 while ((!atomic_read(&base_vha->loop_down_timer) &&
786 atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
787 atomic_read(&base_vha->loop_state) != LOOP_READY) {
788 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
57680080
RA		 789 return_status = QLA_FUNCTION_FAILED;
790 break;
791 }
1da177e4
LT		 792 msleep(1000);
793 if (time_after_eq(jiffies, loop_timeout)) {
794 return_status = QLA_FUNCTION_FAILED;
795 break;
796 }
797 }
fa2a1ce5 798 return (return_status);
1da177e4
LT		 799}
800
083a469d
GM		 801static void
802sp_get(struct srb *sp)
803{
804 atomic_inc(&sp->ref_count);
805}
806
1da177e4
LT		 807/**************************************************************************
808* qla2xxx_eh_abort
809*
810* Description:
811* The abort function will abort the specified command.
812*
813* Input:
814* cmd = Linux SCSI command packet to be aborted.
815*
816* Returns:
817* Either SUCCESS or FAILED.
818*
819* Note:
2ea00202 820* Only return FAILED if command not returned by firmware.
1da177e4 821**************************************************************************/
e5f82ab8 822static int
1da177e4
LT		 823qla2xxx_eh_abort(struct scsi_cmnd *cmd)
824{
e315cd28 825 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
f4f051eb 826 srb_t *sp;
17d98630 827 int ret, i;
f4f051eb 828 unsigned int id, lun;
829 unsigned long serial;
18e144d3 830 unsigned long flags;
2ea00202 831 int wait = 0;
e315cd28 832 struct qla_hw_data *ha = vha->hw;
67c2e93a 833 struct req_que *req = vha->req;
17d98630 834 srb_t *spt;
083a469d 835 int got_ref = 0;
1da177e4 836
65d430fa 837 fc_block_scsi_eh(cmd);
07db5183 838
f4f051eb 839 if (!CMD_SP(cmd))
2ea00202 840 return SUCCESS;
1da177e4 841
2ea00202 842 ret = SUCCESS;
1da177e4 843
f4f051eb 844 id = cmd->device->id;
845 lun = cmd->device->lun;
846 serial = cmd->serial_number;
17d98630
AC		 847 spt = (srb_t *) CMD_SP(cmd);
848 if (!spt)
849 return SUCCESS;
1da177e4 850
f4f051eb 851 /* Check active list for command command. */
e315cd28 852 spin_lock_irqsave(&ha->hardware_lock, flags);
17d98630
AC		 853 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
854 sp = req->outstanding_cmds[i];
1da177e4 855
17d98630
AC		 856 if (sp == NULL)
857 continue;
bad75002
AE		 858 if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
859 !IS_PROT_IO(sp))
cf53b069 860 continue;
17d98630
AC		 861 if (sp->cmd != cmd)
862 continue;
1da177e4 863
17d98630
AC		 864 DEBUG2(printk("%s(%ld): aborting sp %p from RISC."
865 " pid=%ld.\n", __func__, vha->host_no, sp, serial));
866
083a469d
GM		 867 /* Get a reference to the sp and drop the lock.*/
868 sp_get(sp);
869 got_ref++;
870
17d98630 871 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2afa19a9 872 if (ha->isp_ops->abort_command(sp)) {
17d98630
AC		 873 DEBUG2(printk("%s(%ld): abort_command "
874 "mbx failed.\n", __func__, vha->host_no));
2ac4b64f 875 ret = FAILED;
17d98630
AC		 876 } else {
877 DEBUG3(printk("%s(%ld): abort_command "
878 "mbx success.\n", __func__, vha->host_no));
879 wait = 1;
73208dfd 880 }
17d98630
AC		 881 spin_lock_irqsave(&ha->hardware_lock, flags);
882 break;
f4f051eb 883 }
e315cd28 884 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1da177e4 885
f4f051eb 886 /* Wait for the command to be returned. */
2ea00202 887 if (wait) {
e315cd28 888 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
fa2a1ce5 889 qla_printk(KERN_ERR, ha,
f4f051eb 890 "scsi(%ld:%d:%d): Abort handler timed out -- %lx "
e315cd28 891 "%x.\n", vha->host_no, id, lun, serial, ret);
2ea00202 892 ret = FAILED;
f4f051eb 893 }
1da177e4 894 }
1da177e4 895
083a469d
GM		 896 if (got_ref)
897 qla2x00_sp_compl(ha, sp);
898
fa2a1ce5 899 qla_printk(KERN_INFO, ha,
2ea00202 900 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n",
e315cd28 901 vha->host_no, id, lun, wait, serial, ret);
1da177e4 902
f4f051eb 903 return ret;
904}
1da177e4 905
523ec773
AV		 906enum nexus_wait_type {
907 WAIT_HOST = 0,
908 WAIT_TARGET,
909 WAIT_LUN,
910};
911
f4f051eb 912static int
e315cd28 913qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
17d98630 914 unsigned int l, srb_t *sp, enum nexus_wait_type type)
f4f051eb 915{
17d98630 916 int cnt, match, status;
18e144d3 917 unsigned long flags;
e315cd28 918 struct qla_hw_data *ha = vha->hw;
73208dfd 919 struct req_que *req;
1da177e4 920
523ec773 921 status = QLA_SUCCESS;
17d98630
AC		 922 if (!sp)
923 return status;
924
e315cd28 925 spin_lock_irqsave(&ha->hardware_lock, flags);
67c2e93a 926 req = vha->req;
17d98630
AC		 927 for (cnt = 1; status == QLA_SUCCESS &&
928 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
929 sp = req->outstanding_cmds[cnt];
930 if (!sp)
523ec773 931 continue;
bad75002 932 if ((sp->ctx) && !IS_PROT_IO(sp))
cf53b069 933 continue;
17d98630
AC		 934 if (vha->vp_idx != sp->fcport->vha->vp_idx)
935 continue;
936 match = 0;
937 switch (type) {
938 case WAIT_HOST:
939 match = 1;
940 break;
941 case WAIT_TARGET:
942 match = sp->cmd->device->id == t;
943 break;
944 case WAIT_LUN:
945 match = (sp->cmd->device->id == t &&
946 sp->cmd->device->lun == l);
947 break;
73208dfd 948 }
17d98630
AC		 949 if (!match)
950 continue;
951
952 spin_unlock_irqrestore(&ha->hardware_lock, flags);
953 status = qla2x00_eh_wait_on_command(sp->cmd);
954 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 955 }
e315cd28 956 spin_unlock_irqrestore(&ha->hardware_lock, flags);
523ec773
AV		 957
958 return status;
1da177e4
LT		 959}
960
a9083016
GM		 961void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha)
962{
963 int cnt;
964 srb_t *sp;
965 struct req_que *req = vha->req;
966
967 DEBUG2(qla_printk(KERN_INFO, vha->hw,
968 "Waiting for pending commands\n"));
969 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
970 sp = req->outstanding_cmds[cnt];
971 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
972 sp, WAIT_HOST) == QLA_SUCCESS) {
973 DEBUG2(qla_printk(KERN_INFO, vha->hw,
974 "Done wait for pending commands\n"));
975 }
976 }
977}
978
523ec773
AV		 979static char *reset_errors[] = {
980 "HBA not online",
981 "HBA not ready",
982 "Task management failed",
983 "Waiting for command completions",
984};
1da177e4 985
e5f82ab8 986static int
523ec773 987__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
2afa19a9 988 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1da177e4 989{
e315cd28 990 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 991 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
523ec773 992 int err;
1da177e4 993
65d430fa 994 fc_block_scsi_eh(cmd);
07db5183 995
b0328bee 996 if (!fcport)
523ec773 997 return FAILED;
1da177e4 998
e315cd28
AC		 999 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n",
1000 vha->host_no, cmd->device->id, cmd->device->lun, name);
1da177e4 1001
523ec773 1002 err = 0;
e315cd28 1003 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
523ec773
AV		 1004 goto eh_reset_failed;
1005 err = 1;
e315cd28 1006 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS)
523ec773
AV		 1007 goto eh_reset_failed;
1008 err = 2;
2afa19a9
AC		 1009 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1010 != QLA_SUCCESS)
523ec773
AV		 1011 goto eh_reset_failed;
1012 err = 3;
e315cd28 1013 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
17d98630 1014 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS)
523ec773
AV		 1015 goto eh_reset_failed;
1016
e315cd28
AC		 1017 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n",
1018 vha->host_no, cmd->device->id, cmd->device->lun, name);
523ec773
AV		 1019
1020 return SUCCESS;
1021
1022 eh_reset_failed:
e315cd28
AC		 1023 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n"
1024 , vha->host_no, cmd->device->id, cmd->device->lun, name,
523ec773
AV		 1025 reset_errors[err]);
1026 return FAILED;
1027}
1da177e4 1028
523ec773
AV		 1029static int
1030qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1031{
e315cd28
AC		 1032 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033 struct qla_hw_data *ha = vha->hw;
1da177e4 1034
523ec773
AV		 1035 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1036 ha->isp_ops->lun_reset);
1da177e4
LT		 1037}
1038
1da177e4 1039static int
523ec773 1040qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1da177e4 1041{
e315cd28
AC		 1042 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1043 struct qla_hw_data *ha = vha->hw;
1da177e4 1044
523ec773
AV		 1045 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1046 ha->isp_ops->target_reset);
1da177e4
LT		 1047}
1048
1da177e4
LT		 1049/**************************************************************************
1050* qla2xxx_eh_bus_reset
1051*
1052* Description:
1053* The bus reset function will reset the bus and abort any executing
1054* commands.
1055*
1056* Input:
1057* cmd = Linux SCSI command packet of the command that cause the
1058* bus reset.
1059*
1060* Returns:
1061* SUCCESS/FAILURE (defined as macro in scsi.h).
1062*
1063**************************************************************************/
e5f82ab8 1064static int
1da177e4
LT		 1065qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1066{
e315cd28 1067 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1068 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
2c3dfe3f 1069 int ret = FAILED;
f4f051eb 1070 unsigned int id, lun;
1071 unsigned long serial;
17d98630 1072 srb_t *sp = (srb_t *) CMD_SP(cmd);
f4f051eb 1073
65d430fa 1074 fc_block_scsi_eh(cmd);
07db5183 1075
f4f051eb 1076 id = cmd->device->id;
1077 lun = cmd->device->lun;
1078 serial = cmd->serial_number;
1da177e4 1079
b0328bee 1080 if (!fcport)
f4f051eb 1081 return ret;
1da177e4 1082
e315cd28 1083 qla_printk(KERN_INFO, vha->hw,
749af3d5 1084 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1085
e315cd28 1086 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1da177e4 1087 DEBUG2(printk("%s failed:board disabled\n",__func__));
f4f051eb 1088 goto eh_bus_reset_done;
1da177e4
LT		 1089 }
1090
e315cd28
AC		 1091 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
1092 if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
f4f051eb 1093 ret = SUCCESS;
1da177e4 1094 }
f4f051eb 1095 if (ret == FAILED)
1096 goto eh_bus_reset_done;
1da177e4 1097
9a41a62b 1098 /* Flush outstanding commands. */
17d98630 1099 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) !=
523ec773 1100 QLA_SUCCESS)
9a41a62b 1101 ret = FAILED;
1da177e4 1102
f4f051eb 1103eh_bus_reset_done:
e315cd28 1104 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__,
f4f051eb 1105 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1106
f4f051eb 1107 return ret;
1da177e4
LT		 1108}
1109
1110/**************************************************************************
1111* qla2xxx_eh_host_reset
1112*
1113* Description:
1114* The reset function will reset the Adapter.
1115*
1116* Input:
1117* cmd = Linux SCSI command packet of the command that cause the
1118* adapter reset.
1119*
1120* Returns:
1121* Either SUCCESS or FAILED.
1122*
1123* Note:
1124**************************************************************************/
e5f82ab8 1125static int
1da177e4
LT		 1126qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1127{
e315cd28 1128 scsi_qla_host_t *vha = shost_priv(cmd->device->host);
bdf79621 1129 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
e315cd28 1130 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 1131 int ret = FAILED;
f4f051eb 1132 unsigned int id, lun;
1133 unsigned long serial;
17d98630 1134 srb_t *sp = (srb_t *) CMD_SP(cmd);
e315cd28 1135 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1da177e4 1136
65d430fa 1137 fc_block_scsi_eh(cmd);
07db5183 1138
f4f051eb 1139 id = cmd->device->id;
1140 lun = cmd->device->lun;
1141 serial = cmd->serial_number;
1142
b0328bee 1143 if (!fcport)
f4f051eb 1144 return ret;
1da177e4 1145
1da177e4 1146 qla_printk(KERN_INFO, ha,
e315cd28 1147 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun);
1da177e4 1148
86fbee86 1149 if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
f4f051eb 1150 goto eh_host_reset_lock;
1da177e4
LT		 1151
1152 /*
1153 * Fixme-may be dpc thread is active and processing
fa2a1ce5 1154 * loop_resync,so wait a while for it to
1da177e4
LT		 1155 * be completed and then issue big hammer.Otherwise
1156 * it may cause I/O failure as big hammer marks the
1157 * devices as lost kicking of the port_down_timer
1158 * while dpc is stuck for the mailbox to complete.
1159 */
e315cd28
AC		 1160 qla2x00_wait_for_loop_ready(vha);
1161 if (vha != base_vha) {
1162 if (qla2x00_vp_abort_isp(vha))
f4f051eb 1163 goto eh_host_reset_lock;
e315cd28 1164 } else {
a9083016
GM		 1165 if (IS_QLA82XX(vha->hw)) {
1166 if (!qla82xx_fcoe_ctx_reset(vha)) {
1167 /* Ctx reset success */
1168 ret = SUCCESS;
1169 goto eh_host_reset_lock;
1170 }
1171 /* fall thru if ctx reset failed */
1172 }
68ca949c
AC		 1173 if (ha->wq)
1174 flush_workqueue(ha->wq);
1175
e315cd28 1176 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
a9083016 1177 if (ha->isp_ops->abort_isp(base_vha)) {
e315cd28
AC		 1178 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1179 /* failed. schedule dpc to try */
1180 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1181
1182 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
1183 goto eh_host_reset_lock;
1184 }
1185 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
fa2a1ce5 1186 }
1da177e4 1187
e315cd28 1188 /* Waiting for command to be returned to OS.*/
17d98630 1189 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) ==
e315cd28 1190 QLA_SUCCESS)
f4f051eb 1191 ret = SUCCESS;
1da177e4 1192
f4f051eb 1193eh_host_reset_lock:
f4f051eb 1194 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
1195 (ret == FAILED) ? "failed" : "succeded");
1da177e4 1196
f4f051eb 1197 return ret;
1198}
1da177e4
LT		 1199
1200/*
1201* qla2x00_loop_reset
1202* Issue loop reset.
1203*
1204* Input:
1205* ha = adapter block pointer.
1206*
1207* Returns:
1208* 0 = success
1209*/
a4722cf2 1210int
e315cd28 1211qla2x00_loop_reset(scsi_qla_host_t *vha)
1da177e4 1212{
0c8c39af 1213 int ret;
bdf79621 1214 struct fc_port *fcport;
e315cd28 1215 struct qla_hw_data *ha = vha->hw;
1da177e4 1216
f4c496c1 1217 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
55e5ed27
AV		 1218 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1219 if (fcport->port_type != FCT_TARGET)
1220 continue;
1221
1222 ret = ha->isp_ops->target_reset(fcport, 0, 0);
1223 if (ret != QLA_SUCCESS) {
1224 DEBUG2_3(printk("%s(%ld): bus_reset failed: "
1225 "target_reset=%d d_id=%x.\n", __func__,
1226 vha->host_no, ret, fcport->d_id.b24));
1227 }
1228 }
1229 }
1230
a9083016 1231 if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) {
e315cd28 1232 ret = qla2x00_full_login_lip(vha);
0c8c39af 1233 if (ret != QLA_SUCCESS) {
749af3d5 1234 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28 1235 "full_login_lip=%d.\n", __func__, vha->host_no,
0c8c39af 1236 ret));
749af3d5
AC		 1237 }
1238 atomic_set(&vha->loop_state, LOOP_DOWN);
1239 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1240 qla2x00_mark_all_devices_lost(vha, 0);
1241 qla2x00_wait_for_loop_ready(vha);
0c8c39af
AV		 1242 }
1243
0d6e61bc 1244 if (ha->flags.enable_lip_reset) {
e315cd28 1245 ret = qla2x00_lip_reset(vha);
0c8c39af 1246 if (ret != QLA_SUCCESS) {
749af3d5 1247 DEBUG2_3(printk("%s(%ld): failed: "
e315cd28
AC		 1248 "lip_reset=%d.\n", __func__, vha->host_no, ret));
1249 } else
1250 qla2x00_wait_for_loop_ready(vha);
1da177e4
LT		 1251 }
1252
1da177e4 1253 /* Issue marker command only when we are going to start the I/O */
e315cd28 1254 vha->marker_needed = 1;
1da177e4 1255
0c8c39af 1256 return QLA_SUCCESS;
1da177e4
LT		 1257}
1258
df4bf0bb 1259void
e315cd28 1260qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
df4bf0bb 1261{
73208dfd 1262 int que, cnt;
df4bf0bb
AV		 1263 unsigned long flags;
1264 srb_t *sp;
ac280b67 1265 struct srb_ctx *ctx;
e315cd28 1266 struct qla_hw_data *ha = vha->hw;
73208dfd 1267 struct req_que *req;
df4bf0bb
AV		 1268
1269 spin_lock_irqsave(&ha->hardware_lock, flags);
2afa19a9 1270 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe 1271 req = ha->req_q_map[que];
73208dfd
AC		 1272 if (!req)
1273 continue;
1274 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1275 sp = req->outstanding_cmds[cnt];
e612d465 1276 if (sp) {
73208dfd 1277 req->outstanding_cmds[cnt] = NULL;
a9083016 1278 if (!sp->ctx ||
bad75002
AE		 1279 (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
1280 IS_PROT_IO(sp)) {
ac280b67
AV		 1281 sp->cmd->result = res;
1282 qla2x00_sp_compl(ha, sp);
1283 } else {
1284 ctx = sp->ctx;
6c452a45
AV		 1285 if (ctx->type == SRB_LOGIN_CMD ||
1286 ctx->type == SRB_LOGOUT_CMD) {
4916392b 1287 ctx->u.iocb_cmd->free(sp);
db3ad7f8 1288 } else {
6c452a45 1289 struct fc_bsg_job *bsg_job =
4916392b 1290 ctx->u.bsg_job;
6c452a45
AV		 1291 if (bsg_job->request->msgcode
1292 == FC_BSG_HST_CT)
db3ad7f8 1293 kfree(sp->fcport);
6c452a45
AV		 1294 bsg_job->req->errors = 0;
1295 bsg_job->reply->result = res;
4916392b 1296 bsg_job->job_done(bsg_job);
db3ad7f8 1297 kfree(sp->ctx);
6c452a45 1298 mempool_free(sp,
4916392b 1299 ha->srb_mempool);
db3ad7f8 1300 }
ac280b67 1301 }
73208dfd 1302 }
df4bf0bb
AV		 1303 }
1304 }
1305 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1306}
1307
f4f051eb 1308static int
1309qla2xxx_slave_alloc(struct scsi_device *sdev)
1da177e4 1310{
bdf79621 1311 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1da177e4 1312
19a7b4ae 1313 if (!rport || fc_remote_port_chkready(rport))
f4f051eb 1314 return -ENXIO;
bdf79621 1315
19a7b4ae 1316 sdev->hostdata = *(fc_port_t **)rport->dd_data;
1da177e4 1317
f4f051eb 1318 return 0;
1319}
1da177e4 1320
f4f051eb 1321static int
1322qla2xxx_slave_configure(struct scsi_device *sdev)
1323{
e315cd28
AC		 1324 scsi_qla_host_t *vha = shost_priv(sdev->host);
1325 struct qla_hw_data *ha = vha->hw;
8482e118 1326 struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
2afa19a9 1327 struct req_que *req = vha->req;
8482e118 1328
f4f051eb 1329 if (sdev->tagged_supported)
73208dfd 1330 scsi_activate_tcq(sdev, req->max_q_depth);
f4f051eb 1331 else
73208dfd 1332 scsi_deactivate_tcq(sdev, req->max_q_depth);
1da177e4 1333
85821c90 1334 rport->dev_loss_tmo = ha->port_down_retry_count;
8482e118 1335
f4f051eb 1336 return 0;
1337}
1da177e4 1338
f4f051eb 1339static void
1340qla2xxx_slave_destroy(struct scsi_device *sdev)
1341{
1342 sdev->hostdata = NULL;
1da177e4
LT		 1343}
1344
c45dd305
GM		 1345static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1346{
1347 fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1348
1349 if (!scsi_track_queue_full(sdev, qdepth))
1350 return;
1351
1352 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw,
1353 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
1354 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1355 sdev->queue_depth));
1356}
1357
1358static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1359{
1360 fc_port_t *fcport = sdev->hostdata;
1361 struct scsi_qla_host *vha = fcport->vha;
1362 struct qla_hw_data *ha = vha->hw;
1363 struct req_que *req = NULL;
1364
1365 req = vha->req;
1366 if (!req)
1367 return;
1368
1369 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1370 return;
1371
1372 if (sdev->ordered_tags)
1373 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1374 else
1375 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1376
1377 DEBUG2(qla_printk(KERN_INFO, ha,
1378 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
1379 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun,
1380 sdev->queue_depth));
1381}
1382
ce7e4af7 1383static int
e881a172 1384qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
ce7e4af7 1385{
c45dd305
GM		 1386 switch (reason) {
1387 case SCSI_QDEPTH_DEFAULT:
1388 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1389 break;
1390 case SCSI_QDEPTH_QFULL:
1391 qla2x00_handle_queue_full(sdev, qdepth);
1392 break;
1393 case SCSI_QDEPTH_RAMP_UP:
1394 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1395 break;
1396 default:
08002af2 1397 return -EOPNOTSUPP;
c45dd305 1398 }
e881a172 1399
ce7e4af7
AV		 1400 return sdev->queue_depth;
1401}
1402
1403static int
1404qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1405{
1406 if (sdev->tagged_supported) {
1407 scsi_set_tag_type(sdev, tag_type);
1408 if (tag_type)
1409 scsi_activate_tcq(sdev, sdev->queue_depth);
1410 else
1411 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1412 } else
1413 tag_type = 0;
1414
1415 return tag_type;
1416}
1417
1da177e4
LT		 1418/**
1419 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1420 * @ha: HA context
1421 *
1422 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1423 * supported addressing method.
1424 */
1425static void
53303c42 1426qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1da177e4 1427{
7524f9b9 1428 /* Assume a 32bit DMA mask. */
1da177e4 1429 ha->flags.enable_64bit_addressing = 0;
1da177e4 1430
6a35528a 1431 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
7524f9b9
AV		 1432 /* Any upper-dword bits set? */
1433 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
6a35528a 1434 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
7524f9b9 1435 /* Ok, a 64bit DMA mask is applicable. */
1da177e4 1436 ha->flags.enable_64bit_addressing = 1;
fd34f556
AV		 1437 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1438 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
7524f9b9 1439 return;
1da177e4 1440 }
1da177e4 1441 }
7524f9b9 1442
284901a9
YH		 1443 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1444 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1da177e4
LT		 1445}
1446
fd34f556 1447static void
e315cd28 1448qla2x00_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1449{
1450 unsigned long flags = 0;
1451 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1452
1453 spin_lock_irqsave(&ha->hardware_lock, flags);
1454 ha->interrupts_on = 1;
1455 /* enable risc and host interrupts */
1456 WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1457 RD_REG_WORD(&reg->ictrl);
1458 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1459
1460}
1461
1462static void
e315cd28 1463qla2x00_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1464{
1465 unsigned long flags = 0;
1466 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1467
1468 spin_lock_irqsave(&ha->hardware_lock, flags);
1469 ha->interrupts_on = 0;
1470 /* disable risc and host interrupts */
1471 WRT_REG_WORD(&reg->ictrl, 0);
1472 RD_REG_WORD(&reg->ictrl);
1473 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1474}
1475
1476static void
e315cd28 1477qla24xx_enable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1478{
1479 unsigned long flags = 0;
1480 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1481
1482 spin_lock_irqsave(&ha->hardware_lock, flags);
1483 ha->interrupts_on = 1;
1484 WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1485 RD_REG_DWORD(&reg->ictrl);
1486 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1487}
1488
1489static void
e315cd28 1490qla24xx_disable_intrs(struct qla_hw_data *ha)
fd34f556
AV		 1491{
1492 unsigned long flags = 0;
1493 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1494
124f85e6
AV		 1495 if (IS_NOPOLLING_TYPE(ha))
1496 return;
fd34f556
AV		 1497 spin_lock_irqsave(&ha->hardware_lock, flags);
1498 ha->interrupts_on = 0;
1499 WRT_REG_DWORD(&reg->ictrl, 0);
1500 RD_REG_DWORD(&reg->ictrl);
1501 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1502}
1503
1504static struct isp_operations qla2100_isp_ops = {
1505 .pci_config = qla2100_pci_config,
1506 .reset_chip = qla2x00_reset_chip,
1507 .chip_diag = qla2x00_chip_diag,
1508 .config_rings = qla2x00_config_rings,
1509 .reset_adapter = qla2x00_reset_adapter,
1510 .nvram_config = qla2x00_nvram_config,
1511 .update_fw_options = qla2x00_update_fw_options,
1512 .load_risc = qla2x00_load_risc,
1513 .pci_info_str = qla2x00_pci_info_str,
1514 .fw_version_str = qla2x00_fw_version_str,
1515 .intr_handler = qla2100_intr_handler,
1516 .enable_intrs = qla2x00_enable_intrs,
1517 .disable_intrs = qla2x00_disable_intrs,
1518 .abort_command = qla2x00_abort_command,
523ec773
AV		 1519 .target_reset = qla2x00_abort_target,
1520 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1521 .fabric_login = qla2x00_login_fabric,
1522 .fabric_logout = qla2x00_fabric_logout,
1523 .calc_req_entries = qla2x00_calc_iocbs_32,
1524 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1525 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1526 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1527 .read_nvram = qla2x00_read_nvram_data,
1528 .write_nvram = qla2x00_write_nvram_data,
1529 .fw_dump = qla2100_fw_dump,
1530 .beacon_on = NULL,
1531 .beacon_off = NULL,
1532 .beacon_blink = NULL,
1533 .read_optrom = qla2x00_read_optrom_data,
1534 .write_optrom = qla2x00_write_optrom_data,
1535 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1536 .start_scsi = qla2x00_start_scsi,
a9083016 1537 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1538};
1539
1540static struct isp_operations qla2300_isp_ops = {
1541 .pci_config = qla2300_pci_config,
1542 .reset_chip = qla2x00_reset_chip,
1543 .chip_diag = qla2x00_chip_diag,
1544 .config_rings = qla2x00_config_rings,
1545 .reset_adapter = qla2x00_reset_adapter,
1546 .nvram_config = qla2x00_nvram_config,
1547 .update_fw_options = qla2x00_update_fw_options,
1548 .load_risc = qla2x00_load_risc,
1549 .pci_info_str = qla2x00_pci_info_str,
1550 .fw_version_str = qla2x00_fw_version_str,
1551 .intr_handler = qla2300_intr_handler,
1552 .enable_intrs = qla2x00_enable_intrs,
1553 .disable_intrs = qla2x00_disable_intrs,
1554 .abort_command = qla2x00_abort_command,
523ec773
AV		 1555 .target_reset = qla2x00_abort_target,
1556 .lun_reset = qla2x00_lun_reset,
fd34f556
AV		 1557 .fabric_login = qla2x00_login_fabric,
1558 .fabric_logout = qla2x00_fabric_logout,
1559 .calc_req_entries = qla2x00_calc_iocbs_32,
1560 .build_iocbs = qla2x00_build_scsi_iocbs_32,
1561 .prep_ms_iocb = qla2x00_prep_ms_iocb,
1562 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
1563 .read_nvram = qla2x00_read_nvram_data,
1564 .write_nvram = qla2x00_write_nvram_data,
1565 .fw_dump = qla2300_fw_dump,
1566 .beacon_on = qla2x00_beacon_on,
1567 .beacon_off = qla2x00_beacon_off,
1568 .beacon_blink = qla2x00_beacon_blink,
1569 .read_optrom = qla2x00_read_optrom_data,
1570 .write_optrom = qla2x00_write_optrom_data,
1571 .get_flash_version = qla2x00_get_flash_version,
e315cd28 1572 .start_scsi = qla2x00_start_scsi,
a9083016 1573 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1574};
1575
1576static struct isp_operations qla24xx_isp_ops = {
1577 .pci_config = qla24xx_pci_config,
1578 .reset_chip = qla24xx_reset_chip,
1579 .chip_diag = qla24xx_chip_diag,
1580 .config_rings = qla24xx_config_rings,
1581 .reset_adapter = qla24xx_reset_adapter,
1582 .nvram_config = qla24xx_nvram_config,
1583 .update_fw_options = qla24xx_update_fw_options,
1584 .load_risc = qla24xx_load_risc,
1585 .pci_info_str = qla24xx_pci_info_str,
1586 .fw_version_str = qla24xx_fw_version_str,
1587 .intr_handler = qla24xx_intr_handler,
1588 .enable_intrs = qla24xx_enable_intrs,
1589 .disable_intrs = qla24xx_disable_intrs,
1590 .abort_command = qla24xx_abort_command,
523ec773
AV		 1591 .target_reset = qla24xx_abort_target,
1592 .lun_reset = qla24xx_lun_reset,
fd34f556
AV		 1593 .fabric_login = qla24xx_login_fabric,
1594 .fabric_logout = qla24xx_fabric_logout,
1595 .calc_req_entries = NULL,
1596 .build_iocbs = NULL,
1597 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1598 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1599 .read_nvram = qla24xx_read_nvram_data,
1600 .write_nvram = qla24xx_write_nvram_data,
1601 .fw_dump = qla24xx_fw_dump,
1602 .beacon_on = qla24xx_beacon_on,
1603 .beacon_off = qla24xx_beacon_off,
1604 .beacon_blink = qla24xx_beacon_blink,
1605 .read_optrom = qla24xx_read_optrom_data,
1606 .write_optrom = qla24xx_write_optrom_data,
1607 .get_flash_version = qla24xx_get_flash_version,
e315cd28 1608 .start_scsi = qla24xx_start_scsi,
a9083016 1609 .abort_isp = qla2x00_abort_isp,
fd34f556
AV		 1610};
1611
c3a2f0df
AV		 1612static struct isp_operations qla25xx_isp_ops = {
1613 .pci_config = qla25xx_pci_config,
1614 .reset_chip = qla24xx_reset_chip,
1615 .chip_diag = qla24xx_chip_diag,
1616 .config_rings = qla24xx_config_rings,
1617 .reset_adapter = qla24xx_reset_adapter,
1618 .nvram_config = qla24xx_nvram_config,
1619 .update_fw_options = qla24xx_update_fw_options,
1620 .load_risc = qla24xx_load_risc,
1621 .pci_info_str = qla24xx_pci_info_str,
1622 .fw_version_str = qla24xx_fw_version_str,
1623 .intr_handler = qla24xx_intr_handler,
1624 .enable_intrs = qla24xx_enable_intrs,
1625 .disable_intrs = qla24xx_disable_intrs,
1626 .abort_command = qla24xx_abort_command,
523ec773
AV		 1627 .target_reset = qla24xx_abort_target,
1628 .lun_reset = qla24xx_lun_reset,
c3a2f0df
AV		 1629 .fabric_login = qla24xx_login_fabric,
1630 .fabric_logout = qla24xx_fabric_logout,
1631 .calc_req_entries = NULL,
1632 .build_iocbs = NULL,
1633 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1634 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1635 .read_nvram = qla25xx_read_nvram_data,
1636 .write_nvram = qla25xx_write_nvram_data,
1637 .fw_dump = qla25xx_fw_dump,
1638 .beacon_on = qla24xx_beacon_on,
1639 .beacon_off = qla24xx_beacon_off,
1640 .beacon_blink = qla24xx_beacon_blink,
338c9161 1641 .read_optrom = qla25xx_read_optrom_data,
c3a2f0df
AV		 1642 .write_optrom = qla24xx_write_optrom_data,
1643 .get_flash_version = qla24xx_get_flash_version,
bad75002 1644 .start_scsi = qla24xx_dif_start_scsi,
a9083016 1645 .abort_isp = qla2x00_abort_isp,
c3a2f0df
AV		 1646};
1647
3a03eb79
AV		 1648static struct isp_operations qla81xx_isp_ops = {
1649 .pci_config = qla25xx_pci_config,
1650 .reset_chip = qla24xx_reset_chip,
1651 .chip_diag = qla24xx_chip_diag,
1652 .config_rings = qla24xx_config_rings,
1653 .reset_adapter = qla24xx_reset_adapter,
1654 .nvram_config = qla81xx_nvram_config,
1655 .update_fw_options = qla81xx_update_fw_options,
eaac30be 1656 .load_risc = qla81xx_load_risc,
3a03eb79
AV		 1657 .pci_info_str = qla24xx_pci_info_str,
1658 .fw_version_str = qla24xx_fw_version_str,
1659 .intr_handler = qla24xx_intr_handler,
1660 .enable_intrs = qla24xx_enable_intrs,
1661 .disable_intrs = qla24xx_disable_intrs,
1662 .abort_command = qla24xx_abort_command,
1663 .target_reset = qla24xx_abort_target,
1664 .lun_reset = qla24xx_lun_reset,
1665 .fabric_login = qla24xx_login_fabric,
1666 .fabric_logout = qla24xx_fabric_logout,
1667 .calc_req_entries = NULL,
1668 .build_iocbs = NULL,
1669 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1670 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
3d79038f
AV		 1671 .read_nvram = NULL,
1672 .write_nvram = NULL,
3a03eb79
AV		 1673 .fw_dump = qla81xx_fw_dump,
1674 .beacon_on = qla24xx_beacon_on,
1675 .beacon_off = qla24xx_beacon_off,
1676 .beacon_blink = qla24xx_beacon_blink,
1677 .read_optrom = qla25xx_read_optrom_data,
1678 .write_optrom = qla24xx_write_optrom_data,
1679 .get_flash_version = qla24xx_get_flash_version,
ba77ef53 1680 .start_scsi = qla24xx_dif_start_scsi,
a9083016
GM		 1681 .abort_isp = qla2x00_abort_isp,
1682};
1683
1684static struct isp_operations qla82xx_isp_ops = {
1685 .pci_config = qla82xx_pci_config,
1686 .reset_chip = qla82xx_reset_chip,
1687 .chip_diag = qla24xx_chip_diag,
1688 .config_rings = qla82xx_config_rings,
1689 .reset_adapter = qla24xx_reset_adapter,
1690 .nvram_config = qla81xx_nvram_config,
1691 .update_fw_options = qla24xx_update_fw_options,
1692 .load_risc = qla82xx_load_risc,
1693 .pci_info_str = qla82xx_pci_info_str,
1694 .fw_version_str = qla24xx_fw_version_str,
1695 .intr_handler = qla82xx_intr_handler,
1696 .enable_intrs = qla82xx_enable_intrs,
1697 .disable_intrs = qla82xx_disable_intrs,
1698 .abort_command = qla24xx_abort_command,
1699 .target_reset = qla24xx_abort_target,
1700 .lun_reset = qla24xx_lun_reset,
1701 .fabric_login = qla24xx_login_fabric,
1702 .fabric_logout = qla24xx_fabric_logout,
1703 .calc_req_entries = NULL,
1704 .build_iocbs = NULL,
1705 .prep_ms_iocb = qla24xx_prep_ms_iocb,
1706 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
1707 .read_nvram = qla24xx_read_nvram_data,
1708 .write_nvram = qla24xx_write_nvram_data,
1709 .fw_dump = qla24xx_fw_dump,
1710 .beacon_on = qla24xx_beacon_on,
1711 .beacon_off = qla24xx_beacon_off,
1712 .beacon_blink = qla24xx_beacon_blink,
1713 .read_optrom = qla82xx_read_optrom_data,
1714 .write_optrom = qla82xx_write_optrom_data,
1715 .get_flash_version = qla24xx_get_flash_version,
1716 .start_scsi = qla82xx_start_scsi,
1717 .abort_isp = qla82xx_abort_isp,
3a03eb79
AV		 1718};
1719
ea5b6382 1720static inline void
e315cd28 1721qla2x00_set_isp_flags(struct qla_hw_data *ha)
ea5b6382 1722{
1723 ha->device_type = DT_EXTENDED_IDS;
1724 switch (ha->pdev->device) {
1725 case PCI_DEVICE_ID_QLOGIC_ISP2100:
1726 ha->device_type |= DT_ISP2100;
1727 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1728 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1729 break;
1730 case PCI_DEVICE_ID_QLOGIC_ISP2200:
1731 ha->device_type |= DT_ISP2200;
1732 ha->device_type &= ~DT_EXTENDED_IDS;
441d1072 1733 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
ea5b6382 1734 break;
1735 case PCI_DEVICE_ID_QLOGIC_ISP2300:
1736 ha->device_type |= DT_ISP2300;
4a59f71d 1737 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1738 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1739 break;
1740 case PCI_DEVICE_ID_QLOGIC_ISP2312:
1741 ha->device_type |= DT_ISP2312;
4a59f71d 1742 ha->device_type |= DT_ZIO_SUPPORTED;
441d1072 1743 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1744 break;
1745 case PCI_DEVICE_ID_QLOGIC_ISP2322:
1746 ha->device_type |= DT_ISP2322;
4a59f71d 1747 ha->device_type |= DT_ZIO_SUPPORTED;
ea5b6382 1748 if (ha->pdev->subsystem_vendor == 0x1028 &&
1749 ha->pdev->subsystem_device == 0x0170)
1750 ha->device_type |= DT_OEM_001;
441d1072 1751 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1752 break;
1753 case PCI_DEVICE_ID_QLOGIC_ISP6312:
1754 ha->device_type |= DT_ISP6312;
441d1072 1755 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1756 break;
1757 case PCI_DEVICE_ID_QLOGIC_ISP6322:
1758 ha->device_type |= DT_ISP6322;
441d1072 1759 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
ea5b6382 1760 break;
1761 case PCI_DEVICE_ID_QLOGIC_ISP2422:
1762 ha->device_type |= DT_ISP2422;
4a59f71d 1763 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1764 ha->device_type |= DT_FWI2;
c76f2c01 1765 ha->device_type |= DT_IIDMA;
441d1072 1766 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1767 break;
1768 case PCI_DEVICE_ID_QLOGIC_ISP2432:
1769 ha->device_type |= DT_ISP2432;
4a59f71d 1770 ha->device_type |= DT_ZIO_SUPPORTED;
e428924c 1771 ha->device_type |= DT_FWI2;
c76f2c01 1772 ha->device_type |= DT_IIDMA;
441d1072 1773 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1774 break;
4d4df193
HK		 1775 case PCI_DEVICE_ID_QLOGIC_ISP8432:
1776 ha->device_type |= DT_ISP8432;
1777 ha->device_type |= DT_ZIO_SUPPORTED;
1778 ha->device_type |= DT_FWI2;
1779 ha->device_type |= DT_IIDMA;
1780 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1781 break;
044cc6c8 1782 case PCI_DEVICE_ID_QLOGIC_ISP5422:
1783 ha->device_type |= DT_ISP5422;
e428924c 1784 ha->device_type |= DT_FWI2;
441d1072 1785 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1786 break;
044cc6c8 1787 case PCI_DEVICE_ID_QLOGIC_ISP5432:
1788 ha->device_type |= DT_ISP5432;
e428924c 1789 ha->device_type |= DT_FWI2;
441d1072 1790 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1791 break;
c3a2f0df
AV		 1792 case PCI_DEVICE_ID_QLOGIC_ISP2532:
1793 ha->device_type |= DT_ISP2532;
1794 ha->device_type |= DT_ZIO_SUPPORTED;
1795 ha->device_type |= DT_FWI2;
1796 ha->device_type |= DT_IIDMA;
441d1072 1797 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
ea5b6382 1798 break;
3a03eb79
AV		 1799 case PCI_DEVICE_ID_QLOGIC_ISP8001:
1800 ha->device_type |= DT_ISP8001;
1801 ha->device_type |= DT_ZIO_SUPPORTED;
1802 ha->device_type |= DT_FWI2;
1803 ha->device_type |= DT_IIDMA;
1804 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1805 break;
a9083016
GM		 1806 case PCI_DEVICE_ID_QLOGIC_ISP8021:
1807 ha->device_type |= DT_ISP8021;
1808 ha->device_type |= DT_ZIO_SUPPORTED;
1809 ha->device_type |= DT_FWI2;
1810 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
1811 /* Initialize 82XX ISP flags */
1812 qla82xx_init_flags(ha);
1813 break;
ea5b6382 1814 }
e5b68a61 1815
a9083016
GM		 1816 if (IS_QLA82XX(ha))
1817 ha->port_no = !(ha->portnum & 1);
1818 else
1819 /* Get adapter physical port no from interrupt pin register. */
1820 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
1821
e5b68a61
AC		 1822 if (ha->port_no & 1)
1823 ha->flags.port0 = 1;
1824 else
1825 ha->flags.port0 = 0;
ea5b6382 1826}
1827
1da177e4 1828static int
e315cd28 1829qla2x00_iospace_config(struct qla_hw_data *ha)
1da177e4 1830{
3776541d 1831 resource_size_t pio;
73208dfd 1832 uint16_t msix;
68ca949c 1833 int cpus;
1da177e4 1834
a9083016
GM		 1835 if (IS_QLA82XX(ha))
1836 return qla82xx_iospace_config(ha);
1837
285d0321
AV		 1838 if (pci_request_selected_regions(ha->pdev, ha->bars,
1839 QLA2XXX_DRIVER_NAME)) {
1840 qla_printk(KERN_WARNING, ha,
1841 "Failed to reserve PIO/MMIO regions (%s)\n",
1842 pci_name(ha->pdev));
1843
1844 goto iospace_error_exit;
1845 }
1846 if (!(ha->bars & 1))
1847 goto skip_pio;
1848
1da177e4
LT		 1849 /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1850 pio = pci_resource_start(ha->pdev, 0);
3776541d
AV		 1851 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1852 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1da177e4
LT		 1853 qla_printk(KERN_WARNING, ha,
1854 "Invalid PCI I/O region size (%s)...\n",
1855 pci_name(ha->pdev));
1856 pio = 0;
1857 }
1858 } else {
1859 qla_printk(KERN_WARNING, ha,
1860 "region #0 not a PIO resource (%s)...\n",
1861 pci_name(ha->pdev));
1862 pio = 0;
1863 }
285d0321 1864 ha->pio_address = pio;
1da177e4 1865
285d0321 1866skip_pio:
1da177e4 1867 /* Use MMIO operations for all accesses. */
3776541d 1868 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1da177e4 1869 qla_printk(KERN_ERR, ha,
3776541d 1870 "region #1 not an MMIO resource (%s), aborting\n",
1da177e4
LT		 1871 pci_name(ha->pdev));
1872 goto iospace_error_exit;
1873 }
3776541d 1874 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1da177e4
LT		 1875 qla_printk(KERN_ERR, ha,
1876 "Invalid PCI mem region size (%s), aborting\n",
1877 pci_name(ha->pdev));
1878 goto iospace_error_exit;
1879 }
1880
3776541d 1881 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1da177e4
LT		 1882 if (!ha->iobase) {
1883 qla_printk(KERN_ERR, ha,
1884 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
1885
1886 goto iospace_error_exit;
1887 }
1888
73208dfd 1889 /* Determine queue resources */
2afa19a9 1890 ha->max_req_queues = ha->max_rsp_queues = 1;
d84a47c2
MH		 1891 if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1892 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
2afa19a9 1893 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
17d98630 1894 goto mqiobase_exit;
d84a47c2 1895
17d98630
AC		 1896 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1897 pci_resource_len(ha->pdev, 3));
1898 if (ha->mqiobase) {
1899 /* Read MSIX vector size of the board */
1900 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1901 ha->msix_count = msix;
68ca949c
AC		 1902 /* Max queues are bounded by available msix vectors */
1903 /* queue 0 uses two msix vectors */
1904 if (ql2xmultique_tag) {
1905 cpus = num_online_cpus();
27dc9c5a 1906 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
68ca949c
AC		 1907 (cpus + 1) : (ha->msix_count - 1);
1908 ha->max_req_queues = 2;
1909 } else if (ql2xmaxqueues > 1) {
2afa19a9
AC		 1910 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1911 QLA_MQ_SIZE : ql2xmaxqueues;
1912 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no"
1913 " of request queues:%d\n", ha->max_req_queues));
1914 }
68ca949c
AC		 1915 qla_printk(KERN_INFO, ha,
1916 "MSI-X vector count: %d\n", msix);
2afa19a9
AC		 1917 } else
1918 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n");
17d98630
AC		 1919
1920mqiobase_exit:
2afa19a9 1921 ha->msix_count = ha->max_rsp_queues + 1;
1da177e4
LT		 1922 return (0);
1923
1924iospace_error_exit:
1925 return (-ENOMEM);
1926}
1927
1e99e33a
AV		 1928static void
1929qla2xxx_scan_start(struct Scsi_Host *shost)
1930{
e315cd28 1931 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1932
cbc8eb67
AV		 1933 if (vha->hw->flags.running_gold_fw)
1934 return;
1935
e315cd28
AC		 1936 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1937 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1938 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1939 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
1e99e33a
AV		 1940}
1941
1942static int
1943qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
1944{
e315cd28 1945 scsi_qla_host_t *vha = shost_priv(shost);
1e99e33a 1946
e315cd28 1947 if (!vha->host)
1e99e33a 1948 return 1;
e315cd28 1949 if (time > vha->hw->loop_reset_delay * HZ)
1e99e33a
AV		 1950 return 1;
1951
e315cd28 1952 return atomic_read(&vha->loop_state) == LOOP_READY;
1e99e33a
AV		 1953}
1954
1da177e4
LT		 1955/*
1956 * PCI driver interface
1957 */
7ee61397
AV		 1958static int __devinit
1959qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4 1960{
a1541d5a 1961 int ret = -ENODEV;
1da177e4 1962 struct Scsi_Host *host;
e315cd28
AC		 1963 scsi_qla_host_t *base_vha = NULL;
1964 struct qla_hw_data *ha;
29856e28 1965 char pci_info[30];
1da177e4 1966 char fw_str[30];
5433383e 1967 struct scsi_host_template *sht;
c51da4ec 1968 int bars, max_id, mem_only = 0;
e315cd28 1969 uint16_t req_length = 0, rsp_length = 0;
73208dfd
AC		 1970 struct req_que *req = NULL;
1971 struct rsp_que *rsp = NULL;
1da177e4 1972
285d0321 1973 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
a5326f86 1974 sht = &qla2xxx_driver_template;
5433383e 1975 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
8bc69e7d 1976 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
4d4df193 1977 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
8bc69e7d 1978 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
c3a2f0df 1979 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
3a03eb79 1980 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
a9083016
GM		 1981 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
1982 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) {
285d0321 1983 bars = pci_select_bars(pdev, IORESOURCE_MEM);
09483916 1984 mem_only = 1;
285d0321
AV		 1985 }
1986
09483916
BH		 1987 if (mem_only) {
1988 if (pci_enable_device_mem(pdev))
1989 goto probe_out;
1990 } else {
1991 if (pci_enable_device(pdev))
1992 goto probe_out;
1993 }
285d0321 1994
0927678f
JB		 1995 /* This may fail but that's ok */
1996 pci_enable_pcie_error_reporting(pdev);
285d0321 1997
e315cd28
AC		 1998 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
1999 if (!ha) {
2000 DEBUG(printk("Unable to allocate memory for ha\n"));
2001 goto probe_out;
1da177e4 2002 }
e315cd28 2003 ha->pdev = pdev;
1da177e4
LT		 2004
2005 /* Clear our data area */
285d0321 2006 ha->bars = bars;
09483916 2007 ha->mem_only = mem_only;
df4bf0bb 2008 spin_lock_init(&ha->hardware_lock);
1da177e4 2009
ea5b6382 2010 /* Set ISP-type information. */
2011 qla2x00_set_isp_flags(ha);
ca79cf66
DG		 2012
2013 /* Set EEH reset type to fundamental if required by hba */
2014 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) {
2015 pdev->needs_freset = 1;
ca79cf66
DG		 2016 }
2017
1da177e4
LT		 2018 /* Configure PCI I/O space */
2019 ret = qla2x00_iospace_config(ha);
a1541d5a 2020 if (ret)
e315cd28 2021 goto probe_hw_failed;
1da177e4 2022
1da177e4 2023 qla_printk(KERN_INFO, ha,
5433383e
AV		 2024 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq,
2025 ha->iobase);
1da177e4 2026
1da177e4 2027 ha->prev_topology = 0;
fca29703 2028 ha->init_cb_size = sizeof(init_cb_t);
d8b45213 2029 ha->link_data_rate = PORT_SPEED_UNKNOWN;
854165f4 2030 ha->optrom_size = OPTROM_SIZE_2300;
1da177e4 2031
abbd8870 2032 /* Assign ISP specific operations. */
e315cd28 2033 max_id = MAX_TARGETS_2200;
1da177e4 2034 if (IS_QLA2100(ha)) {
e315cd28 2035 max_id = MAX_TARGETS_2100;
1da177e4 2036 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
e315cd28
AC		 2037 req_length = REQUEST_ENTRY_CNT_2100;
2038 rsp_length = RESPONSE_ENTRY_CNT_2100;
2039 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 2040 ha->gid_list_info_size = 4;
3a03eb79
AV		 2041 ha->flash_conf_off = ~0;
2042 ha->flash_data_off = ~0;
2043 ha->nvram_conf_off = ~0;
2044 ha->nvram_data_off = ~0;
fd34f556 2045 ha->isp_ops = &qla2100_isp_ops;
1da177e4 2046 } else if (IS_QLA2200(ha)) {
1da177e4 2047 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2048 req_length = REQUEST_ENTRY_CNT_2200;
2049 rsp_length = RESPONSE_ENTRY_CNT_2100;
2050 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
abbd8870 2051 ha->gid_list_info_size = 4;
3a03eb79
AV		 2052 ha->flash_conf_off = ~0;
2053 ha->flash_data_off = ~0;
2054 ha->nvram_conf_off = ~0;
2055 ha->nvram_data_off = ~0;
fd34f556 2056 ha->isp_ops = &qla2100_isp_ops;
fca29703 2057 } else if (IS_QLA23XX(ha)) {
1da177e4 2058 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2059 req_length = REQUEST_ENTRY_CNT_2200;
2060 rsp_length = RESPONSE_ENTRY_CNT_2300;
2061 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
abbd8870 2062 ha->gid_list_info_size = 6;
854165f4 2063 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2064 ha->optrom_size = OPTROM_SIZE_2322;
3a03eb79
AV		 2065 ha->flash_conf_off = ~0;
2066 ha->flash_data_off = ~0;
2067 ha->nvram_conf_off = ~0;
2068 ha->nvram_data_off = ~0;
fd34f556 2069 ha->isp_ops = &qla2300_isp_ops;
4d4df193 2070 } else if (IS_QLA24XX_TYPE(ha)) {
fca29703 2071 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2072 req_length = REQUEST_ENTRY_CNT_24XX;
2073 rsp_length = RESPONSE_ENTRY_CNT_2300;
2074 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2c3dfe3f 2075 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
fca29703 2076 ha->gid_list_info_size = 8;
854165f4 2077 ha->optrom_size = OPTROM_SIZE_24XX;
73208dfd 2078 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
fd34f556 2079 ha->isp_ops = &qla24xx_isp_ops;
3a03eb79
AV		 2080 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2081 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2082 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2083 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
c3a2f0df 2084 } else if (IS_QLA25XX(ha)) {
c3a2f0df 2085 ha->mbx_count = MAILBOX_REGISTER_COUNT;
e315cd28
AC		 2086 req_length = REQUEST_ENTRY_CNT_24XX;
2087 rsp_length = RESPONSE_ENTRY_CNT_2300;
2088 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
c3a2f0df 2089 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
c3a2f0df
AV		 2090 ha->gid_list_info_size = 8;
2091 ha->optrom_size = OPTROM_SIZE_25XX;
73208dfd 2092 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
c3a2f0df 2093 ha->isp_ops = &qla25xx_isp_ops;
3a03eb79
AV		 2094 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2095 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2096 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2097 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2098 } else if (IS_QLA81XX(ha)) {
2099 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2100 req_length = REQUEST_ENTRY_CNT_24XX;
2101 rsp_length = RESPONSE_ENTRY_CNT_2300;
2102 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2103 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2104 ha->gid_list_info_size = 8;
2105 ha->optrom_size = OPTROM_SIZE_81XX;
40859ae5 2106 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3a03eb79
AV		 2107 ha->isp_ops = &qla81xx_isp_ops;
2108 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2109 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2110 ha->nvram_conf_off = ~0;
2111 ha->nvram_data_off = ~0;
a9083016
GM		 2112 } else if (IS_QLA82XX(ha)) {
2113 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2114 req_length = REQUEST_ENTRY_CNT_82XX;
2115 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2116 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2117 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2118 ha->gid_list_info_size = 8;
2119 ha->optrom_size = OPTROM_SIZE_82XX;
2120 ha->isp_ops = &qla82xx_isp_ops;
2121 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2122 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2123 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2124 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
1da177e4 2125 }
1da177e4 2126
6c2f527c 2127 mutex_init(&ha->vport_lock);
0b05a1f0
MB		 2128 init_completion(&ha->mbx_cmd_comp);
2129 complete(&ha->mbx_cmd_comp);
2130 init_completion(&ha->mbx_intr_comp);
23f2ebd1 2131 init_completion(&ha->dcbx_comp);
1da177e4 2132
2c3dfe3f 2133 set_bit(0, (unsigned long *) ha->vp_idx_map);
1da177e4 2134
53303c42 2135 qla2x00_config_dma_addressing(ha);
73208dfd 2136 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
e315cd28 2137 if (!ret) {
1da177e4
LT		 2138 qla_printk(KERN_WARNING, ha,
2139 "[ERROR] Failed to allocate memory for adapter\n");
2140
e315cd28
AC		 2141 goto probe_hw_failed;
2142 }
2143
73208dfd 2144 req->max_q_depth = MAX_Q_DEPTH;
e315cd28 2145 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
73208dfd
AC		 2146 req->max_q_depth = ql2xmaxqdepth;
2147
e315cd28
AC		 2148
2149 base_vha = qla2x00_create_host(sht, ha);
2150 if (!base_vha) {
2151 qla_printk(KERN_WARNING, ha,
2152 "[ERROR] Failed to allocate memory for scsi_host\n");
2153
a1541d5a 2154 ret = -ENOMEM;
6e9f21f3 2155 qla2x00_mem_free(ha);
2afa19a9
AC		 2156 qla2x00_free_req_que(ha, req);
2157 qla2x00_free_rsp_que(ha, rsp);
e315cd28 2158 goto probe_hw_failed;
1da177e4
LT		 2159 }
2160
e315cd28
AC		 2161 pci_set_drvdata(pdev, base_vha);
2162
e315cd28 2163 host = base_vha->host;
2afa19a9 2164 base_vha->req = req;
73208dfd
AC		 2165 host->can_queue = req->length + 128;
2166 if (IS_QLA2XXX_MIDTYPE(ha))
e315cd28 2167 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
73208dfd 2168 else
e315cd28
AC		 2169 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2170 base_vha->vp_idx;
e315cd28
AC		 2171 if (IS_QLA2100(ha))
2172 host->sg_tablesize = 32;
2173 host->max_id = max_id;
2174 host->this_id = 255;
2175 host->cmd_per_lun = 3;
2176 host->unique_id = host->host_no;
2177 host->max_cmd_len = MAX_CMDSZ;
2178 host->max_channel = MAX_BUSES - 1;
2179 host->max_lun = MAX_LUNS;
2180 host->transportt = qla2xxx_transport_template;
9a069e19 2181 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
e315cd28 2182
73208dfd
AC		 2183 /* Set up the irqs */
2184 ret = qla2x00_request_irqs(ha, rsp);
2185 if (ret)
6e9f21f3 2186 goto probe_init_failed;
90a86fc0
JC		 2187
2188 pci_save_state(pdev);
2189
73208dfd 2190 /* Alloc arrays of request and response ring ptrs */
7163ea81 2191que_init:
73208dfd
AC		 2192 if (!qla2x00_alloc_queues(ha)) {
2193 qla_printk(KERN_WARNING, ha,
2194 "[ERROR] Failed to allocate memory for queue"
2195 " pointers\n");
6e9f21f3 2196 goto probe_init_failed;
73208dfd 2197 }
a9083016 2198
73208dfd
AC		 2199 ha->rsp_q_map[0] = rsp;
2200 ha->req_q_map[0] = req;
2afa19a9
AC		 2201 rsp->req = req;
2202 req->rsp = rsp;
2203 set_bit(0, ha->req_qid_map);
2204 set_bit(0, ha->rsp_qid_map);
08029990
AV		 2205 /* FWI2-capable only. */
2206 req->req_q_in = &ha->iobase->isp24.req_q_in;
2207 req->req_q_out = &ha->iobase->isp24.req_q_out;
2208 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2209 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
17d98630 2210 if (ha->mqenable) {
08029990
AV		 2211 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2212 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2213 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2214 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
17d98630
AC		 2215 }
2216
a9083016
GM		 2217 if (IS_QLA82XX(ha)) {
2218 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2219 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2220 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2221 }
2222
e315cd28 2223 if (qla2x00_initialize_adapter(base_vha)) {
1da177e4
LT		 2224 qla_printk(KERN_WARNING, ha,
2225 "Failed to initialize adapter\n");
2226
2227 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
2228 "Adapter flags %x.\n",
e315cd28 2229 base_vha->host_no, base_vha->device_flags));
1da177e4 2230
a9083016
GM		 2231 if (IS_QLA82XX(ha)) {
2232 qla82xx_idc_lock(ha);
2233 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2234 QLA82XX_DEV_FAILED);
2235 qla82xx_idc_unlock(ha);
2236 qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
2237 }
2238
a1541d5a 2239 ret = -ENODEV;
1da177e4
LT		 2240 goto probe_failed;
2241 }
2242
7163ea81
AC		 2243 if (ha->mqenable) {
2244 if (qla25xx_setup_mode(base_vha)) {
68ca949c
AC		 2245 qla_printk(KERN_WARNING, ha,
2246 "Can't create queues, falling back to single"
2247 " queue mode\n");
7163ea81
AC		 2248 goto que_init;
2249 }
2250 }
68ca949c 2251
cbc8eb67
AV		 2252 if (ha->flags.running_gold_fw)
2253 goto skip_dpc;
2254
1da177e4
LT		 2255 /*
2256 * Startup the kernel thread for this host adapter
2257 */
39a11240 2258 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
e315cd28 2259 "%s_dpc", base_vha->host_str);
39a11240 2260 if (IS_ERR(ha->dpc_thread)) {
1da177e4
LT		 2261 qla_printk(KERN_WARNING, ha,
2262 "Unable to start DPC thread!\n");
39a11240 2263 ret = PTR_ERR(ha->dpc_thread);
1da177e4
LT		 2264 goto probe_failed;
2265 }
1da177e4 2266
cbc8eb67 2267skip_dpc:
e315cd28
AC		 2268 list_add_tail(&base_vha->list, &ha->vp_list);
2269 base_vha->host->irq = ha->pdev->irq;
1da177e4
LT		 2270
2271 /* Initialized the timer */
e315cd28 2272 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
1da177e4
LT		 2273
2274 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
e315cd28 2275 base_vha->host_no, ha));
d19044c3 2276
ba77ef53 2277 if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) {
bad75002
AE		 2278 if (ha->fw_attributes & BIT_4) {
2279 base_vha->flags.difdix_supported = 1;
2280 DEBUG18(qla_printk(KERN_INFO, ha,
2281 "Registering for DIF/DIX type 1 and 3"
2282 " protection.\n"));
2283 scsi_host_set_prot(host,
2284 SHOST_DIF_TYPE1_PROTECTION
2285 | SHOST_DIF_TYPE3_PROTECTION
2286 | SHOST_DIX_TYPE1_PROTECTION
2287 | SHOST_DIX_TYPE3_PROTECTION);
2288 scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2289 } else
2290 base_vha->flags.difdix_supported = 0;
2291 }
2292
a9083016
GM		 2293 ha->isp_ops->enable_intrs(ha);
2294
a1541d5a
AV		 2295 ret = scsi_add_host(host, &pdev->dev);
2296 if (ret)
2297 goto probe_failed;
2298
1486400f
MR		 2299 base_vha->flags.init_done = 1;
2300 base_vha->flags.online = 1;
2301
1e99e33a
AV		 2302 scsi_scan_host(host);
2303
e315cd28 2304 qla2x00_alloc_sysfs_attr(base_vha);
a1541d5a 2305
e315cd28 2306 qla2x00_init_host_attr(base_vha);
a1541d5a 2307
e315cd28 2308 qla2x00_dfs_setup(base_vha);
df613b96 2309
1da177e4
LT		 2310 qla_printk(KERN_INFO, ha, "\n"
2311 " QLogic Fibre Channel HBA Driver: %s\n"
2312 " QLogic %s - %s\n"
5433383e
AV		 2313 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n",
2314 qla2x00_version_str, ha->model_number,
e315cd28
AC		 2315 ha->model_desc ? ha->model_desc : "", pdev->device,
2316 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev),
2317 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no,
2318 ha->isp_ops->fw_version_str(base_vha, fw_str));
1da177e4 2319
1da177e4
LT		 2320 return 0;
2321
6e9f21f3 2322probe_init_failed:
2afa19a9
AC		 2323 qla2x00_free_req_que(ha, req);
2324 qla2x00_free_rsp_que(ha, rsp);
2325 ha->max_req_queues = ha->max_rsp_queues = 0;
6e9f21f3 2326
1da177e4 2327probe_failed:
b9978769
AV		 2328 if (base_vha->timer_active)
2329 qla2x00_stop_timer(base_vha);
2330 base_vha->flags.online = 0;
2331 if (ha->dpc_thread) {
2332 struct task_struct *t = ha->dpc_thread;
2333
2334 ha->dpc_thread = NULL;
2335 kthread_stop(t);
2336 }
2337
e315cd28 2338 qla2x00_free_device(base_vha);
1da177e4 2339
e315cd28 2340 scsi_host_put(base_vha->host);
1da177e4 2341
e315cd28 2342probe_hw_failed:
a9083016
GM		 2343 if (IS_QLA82XX(ha)) {
2344 qla82xx_idc_lock(ha);
2345 qla82xx_clear_drv_active(ha);
2346 qla82xx_idc_unlock(ha);
2347 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2348 if (!ql2xdbwr)
2349 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2350 } else {
2351 if (ha->iobase)
2352 iounmap(ha->iobase);
2353 }
e315cd28
AC		 2354 pci_release_selected_regions(ha->pdev, ha->bars);
2355 kfree(ha);
2356 ha = NULL;
1da177e4 2357
a1541d5a 2358probe_out:
e315cd28 2359 pci_disable_device(pdev);
a1541d5a 2360 return ret;
1da177e4 2361}
1da177e4 2362
4c993f76 2363static void
7ee61397 2364qla2x00_remove_one(struct pci_dev *pdev)
1da177e4 2365{
e315cd28
AC		 2366 scsi_qla_host_t *base_vha, *vha, *temp;
2367 struct qla_hw_data *ha;
2368
2369 base_vha = pci_get_drvdata(pdev);
2370 ha = base_vha->hw;
2371
2372 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) {
2373 if (vha && vha->fc_vport)
2374 fc_vport_terminate(vha->fc_vport);
2375 }
1da177e4 2376
e315cd28 2377 set_bit(UNLOADING, &base_vha->dpc_flags);
1da177e4 2378
b9978769
AV		 2379 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2380
e315cd28 2381 qla2x00_dfs_remove(base_vha);
c795c1e4 2382
e315cd28 2383 qla84xx_put_chip(base_vha);
c795c1e4 2384
b9978769
AV		 2385 /* Disable timer */
2386 if (base_vha->timer_active)
2387 qla2x00_stop_timer(base_vha);
2388
2389 base_vha->flags.online = 0;
2390
68ca949c
AC		 2391 /* Flush the work queue and remove it */
2392 if (ha->wq) {
2393 flush_workqueue(ha->wq);
2394 destroy_workqueue(ha->wq);
2395 ha->wq = NULL;
2396 }
2397
b9978769
AV		 2398 /* Kill the kernel thread for this host */
2399 if (ha->dpc_thread) {
2400 struct task_struct *t = ha->dpc_thread;
2401
2402 /*
2403 * qla2xxx_wake_dpc checks for ->dpc_thread
2404 * so we need to zero it out.
2405 */
2406 ha->dpc_thread = NULL;
2407 kthread_stop(t);
2408 }
2409
e315cd28 2410 qla2x00_free_sysfs_attr(base_vha);
df613b96 2411
e315cd28 2412 fc_remove_host(base_vha->host);
4d4df193 2413
e315cd28 2414 scsi_remove_host(base_vha->host);
1da177e4 2415
e315cd28 2416 qla2x00_free_device(base_vha);
bdf79621 2417
e315cd28 2418 scsi_host_put(base_vha->host);
1da177e4 2419
a9083016 2420 if (IS_QLA82XX(ha)) {
b963752f
GM		 2421 qla82xx_idc_lock(ha);
2422 qla82xx_clear_drv_active(ha);
2423 qla82xx_idc_unlock(ha);
2424
a9083016
GM		 2425 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2426 if (!ql2xdbwr)
2427 iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2428 } else {
2429 if (ha->iobase)
2430 iounmap(ha->iobase);
1da177e4 2431
a9083016
GM		 2432 if (ha->mqiobase)
2433 iounmap(ha->mqiobase);
2434 }
73208dfd 2435
e315cd28
AC		 2436 pci_release_selected_regions(ha->pdev, ha->bars);
2437 kfree(ha);
2438 ha = NULL;
1da177e4 2439
90a86fc0
JC		 2440 pci_disable_pcie_error_reporting(pdev);
2441
665db93b 2442 pci_disable_device(pdev);
1da177e4
LT		 2443 pci_set_drvdata(pdev, NULL);
2444}
1da177e4
LT		 2445
2446static void
e315cd28 2447qla2x00_free_device(scsi_qla_host_t *vha)
1da177e4 2448{
e315cd28 2449 struct qla_hw_data *ha = vha->hw;
1da177e4 2450
85880801
AV		 2451 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2452
2453 /* Disable timer */
2454 if (vha->timer_active)
2455 qla2x00_stop_timer(vha);
2456
2457 /* Kill the kernel thread for this host */
2458 if (ha->dpc_thread) {
2459 struct task_struct *t = ha->dpc_thread;
2460
2461 /*
2462 * qla2xxx_wake_dpc checks for ->dpc_thread
2463 * so we need to zero it out.
2464 */
2465 ha->dpc_thread = NULL;
2466 kthread_stop(t);
2467 }
2468
2afa19a9
AC		 2469 qla25xx_delete_queues(vha);
2470
df613b96 2471 if (ha->flags.fce_enabled)
e315cd28 2472 qla2x00_disable_fce_trace(vha, NULL, NULL);
df613b96 2473
a7a167bf 2474 if (ha->eft)
e315cd28 2475 qla2x00_disable_eft_trace(vha);
a7a167bf 2476
f6ef3b18 2477 /* Stop currently executing firmware. */
e315cd28 2478 qla2x00_try_to_stop_firmware(vha);
1da177e4 2479
85880801
AV		 2480 vha->flags.online = 0;
2481
f6ef3b18 2482 /* turn-off interrupts on the card */
a9083016
GM		 2483 if (ha->interrupts_on) {
2484 vha->flags.init_done = 0;
fd34f556 2485 ha->isp_ops->disable_intrs(ha);
a9083016 2486 }
f6ef3b18 2487
e315cd28 2488 qla2x00_free_irqs(vha);
1da177e4 2489
8867048b
CD		 2490 qla2x00_free_fcports(vha);
2491
e315cd28 2492 qla2x00_mem_free(ha);
73208dfd
AC		 2493
2494 qla2x00_free_queues(ha);
1da177e4
LT		 2495}
2496
8867048b
CD		 2497void qla2x00_free_fcports(struct scsi_qla_host *vha)
2498{
2499 fc_port_t *fcport, *tfcport;
2500
2501 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2502 list_del(&fcport->list);
2503 kfree(fcport);
2504 fcport = NULL;
2505 }
2506}
2507
d97994dc 2508static inline void
e315cd28 2509qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
d97994dc 2510 int defer)
2511{
d97994dc 2512 struct fc_rport *rport;
67becc00 2513 scsi_qla_host_t *base_vha;
d97994dc 2514
2515 if (!fcport->rport)
2516 return;
2517
2518 rport = fcport->rport;
2519 if (defer) {
67becc00 2520 base_vha = pci_get_drvdata(vha->hw->pdev);
e315cd28 2521 spin_lock_irq(vha->host->host_lock);
d97994dc 2522 fcport->drport = rport;
e315cd28 2523 spin_unlock_irq(vha->host->host_lock);
67becc00
AV		 2524 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2525 qla2xxx_wake_dpc(base_vha);
5f3a9a20 2526 } else
d97994dc 2527 fc_remote_port_delete(rport);
d97994dc 2528}
2529
1da177e4
LT		 2530/*
2531 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2532 *
2533 * Input: ha = adapter block pointer. fcport = port structure pointer.
2534 *
2535 * Return: None.
2536 *
2537 * Context:
2538 */
e315cd28 2539void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
d97994dc 2540 int do_login, int defer)
1da177e4 2541{
2c3dfe3f 2542 if (atomic_read(&fcport->state) == FCS_ONLINE &&
e315cd28
AC		 2543 vha->vp_idx == fcport->vp_idx) {
2544 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2545 qla2x00_schedule_rport_del(vha, fcport, defer);
2546 }
fa2a1ce5 2547 /*
1da177e4
LT		 2548 * We may need to retry the login, so don't change the state of the
2549 * port but do the retries.
2550 */
2551 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2552 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2553
2554 if (!do_login)
2555 return;
2556
2557 if (fcport->login_retry == 0) {
e315cd28
AC		 2558 fcport->login_retry = vha->hw->login_retry_count;
2559 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2560
2561 DEBUG(printk("scsi(%ld): Port login retry: "
2562 "%02x%02x%02x%02x%02x%02x%02x%02x, "
2563 "id = 0x%04x retry cnt=%d\n",
e315cd28 2564 vha->host_no,
1da177e4
LT		 2565 fcport->port_name[0],
2566 fcport->port_name[1],
2567 fcport->port_name[2],
2568 fcport->port_name[3],
2569 fcport->port_name[4],
2570 fcport->port_name[5],
2571 fcport->port_name[6],
2572 fcport->port_name[7],
2573 fcport->loop_id,
2574 fcport->login_retry));
2575 }
2576}
2577
2578/*
2579 * qla2x00_mark_all_devices_lost
2580 * Updates fcport state when device goes offline.
2581 *
2582 * Input:
2583 * ha = adapter block pointer.
2584 * fcport = port structure pointer.
2585 *
2586 * Return:
2587 * None.
2588 *
2589 * Context:
2590 */
2591void
e315cd28 2592qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
1da177e4
LT		 2593{
2594 fc_port_t *fcport;
2595
e315cd28 2596 list_for_each_entry(fcport, &vha->vp_fcports, list) {
0d6e61bc 2597 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
1da177e4 2598 continue;
0d6e61bc 2599
1da177e4
LT		 2600 /*
2601 * No point in marking the device as lost, if the device is
2602 * already DEAD.
2603 */
2604 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2605 continue;
e315cd28 2606 if (atomic_read(&fcport->state) == FCS_ONLINE) {
0d6e61bc
AV		 2607 if (defer)
2608 qla2x00_schedule_rport_del(vha, fcport, defer);
2609 else if (vha->vp_idx == fcport->vp_idx)
2610 qla2x00_schedule_rport_del(vha, fcport, defer);
2611 }
2612 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2613 }
2614}
2615
2616/*
2617* qla2x00_mem_alloc
2618* Allocates adapter memory.
2619*
2620* Returns:
2621* 0 = success.
e8711085 2622* !0 = failure.
1da177e4 2623*/
e8711085 2624static int
73208dfd
AC		 2625qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2626 struct req_que **req, struct rsp_que **rsp)
1da177e4
LT		 2627{
2628 char name[16];
1da177e4 2629
e8711085 2630 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
e315cd28 2631 &ha->init_cb_dma, GFP_KERNEL);
e8711085 2632 if (!ha->init_cb)
e315cd28 2633 goto fail;
e8711085 2634
e315cd28
AC		 2635 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
2636 &ha->gid_list_dma, GFP_KERNEL);
2637 if (!ha->gid_list)
e8711085 2638 goto fail_free_init_cb;
1da177e4 2639
e8711085
AV		 2640 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2641 if (!ha->srb_mempool)
e315cd28 2642 goto fail_free_gid_list;
e8711085 2643
a9083016
GM		 2644 if (IS_QLA82XX(ha)) {
2645 /* Allocate cache for CT6 Ctx. */
2646 if (!ctx_cachep) {
2647 ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2648 sizeof(struct ct6_dsd), 0,
2649 SLAB_HWCACHE_ALIGN, NULL);
2650 if (!ctx_cachep)
2651 goto fail_free_gid_list;
2652 }
2653 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2654 ctx_cachep);
2655 if (!ha->ctx_mempool)
2656 goto fail_free_srb_mempool;
2657 }
2658
e8711085
AV		 2659 /* Get memory for cached NVRAM */
2660 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2661 if (!ha->nvram)
a9083016 2662 goto fail_free_ctx_mempool;
e8711085 2663
e315cd28
AC		 2664 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2665 ha->pdev->device);
2666 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2667 DMA_POOL_SIZE, 8, 0);
2668 if (!ha->s_dma_pool)
2669 goto fail_free_nvram;
2670
bad75002 2671 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2672 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2673 DSD_LIST_DMA_POOL_SIZE, 8, 0);
2674 if (!ha->dl_dma_pool) {
2675 qla_printk(KERN_WARNING, ha,
2676 "Memory Allocation failed - dl_dma_pool\n");
2677 goto fail_s_dma_pool;
2678 }
2679
2680 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2681 FCP_CMND_DMA_POOL_SIZE, 8, 0);
2682 if (!ha->fcp_cmnd_dma_pool) {
2683 qla_printk(KERN_WARNING, ha,
2684 "Memory Allocation failed - fcp_cmnd_dma_pool\n");
2685 goto fail_dl_dma_pool;
2686 }
2687 }
2688
e8711085
AV		 2689 /* Allocate memory for SNS commands */
2690 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
e315cd28 2691 /* Get consistent memory allocated for SNS commands */
e8711085 2692 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2693 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
e8711085 2694 if (!ha->sns_cmd)
e315cd28 2695 goto fail_dma_pool;
e8711085 2696 } else {
e315cd28 2697 /* Get consistent memory allocated for MS IOCB */
e8711085 2698 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
e315cd28 2699 &ha->ms_iocb_dma);
e8711085 2700 if (!ha->ms_iocb)
e315cd28
AC		 2701 goto fail_dma_pool;
2702 /* Get consistent memory allocated for CT SNS commands */
e8711085 2703 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
e315cd28 2704 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
e8711085
AV		 2705 if (!ha->ct_sns)
2706 goto fail_free_ms_iocb;
1da177e4
LT		 2707 }
2708
e315cd28 2709 /* Allocate memory for request ring */
73208dfd
AC		 2710 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
2711 if (!*req) {
e315cd28
AC		 2712 DEBUG(printk("Unable to allocate memory for req\n"));
2713 goto fail_req;
2714 }
73208dfd
AC		 2715 (*req)->length = req_len;
2716 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
2717 ((*req)->length + 1) * sizeof(request_t),
2718 &(*req)->dma, GFP_KERNEL);
2719 if (!(*req)->ring) {
e315cd28
AC		 2720 DEBUG(printk("Unable to allocate memory for req_ring\n"));
2721 goto fail_req_ring;
2722 }
2723 /* Allocate memory for response ring */
73208dfd
AC		 2724 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
2725 if (!*rsp) {
2726 qla_printk(KERN_WARNING, ha,
2727 "Unable to allocate memory for rsp\n");
e315cd28
AC		 2728 goto fail_rsp;
2729 }
73208dfd
AC		 2730 (*rsp)->hw = ha;
2731 (*rsp)->length = rsp_len;
2732 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
2733 ((*rsp)->length + 1) * sizeof(response_t),
2734 &(*rsp)->dma, GFP_KERNEL);
2735 if (!(*rsp)->ring) {
2736 qla_printk(KERN_WARNING, ha,
2737 "Unable to allocate memory for rsp_ring\n");
e315cd28
AC		 2738 goto fail_rsp_ring;
2739 }
73208dfd
AC		 2740 (*req)->rsp = *rsp;
2741 (*rsp)->req = *req;
2742 /* Allocate memory for NVRAM data for vports */
2743 if (ha->nvram_npiv_size) {
2744 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
2745 ha->nvram_npiv_size, GFP_KERNEL);
2746 if (!ha->npiv_info) {
2747 qla_printk(KERN_WARNING, ha,
2748 "Unable to allocate memory for npiv info\n");
2749 goto fail_npiv_info;
2750 }
2751 } else
2752 ha->npiv_info = NULL;
e8711085 2753
b64b0e8f 2754 /* Get consistent memory allocated for EX-INIT-CB. */
a9083016 2755 if (IS_QLA8XXX_TYPE(ha)) {
b64b0e8f
AV		 2756 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2757 &ha->ex_init_cb_dma);
2758 if (!ha->ex_init_cb)
2759 goto fail_ex_init_cb;
2760 }
2761
a9083016
GM		 2762 INIT_LIST_HEAD(&ha->gbl_dsd_list);
2763
5ff1d584
AV		 2764 /* Get consistent memory allocated for Async Port-Database. */
2765 if (!IS_FWI2_CAPABLE(ha)) {
2766 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
2767 &ha->async_pd_dma);
2768 if (!ha->async_pd)
2769 goto fail_async_pd;
2770 }
2771
e315cd28
AC		 2772 INIT_LIST_HEAD(&ha->vp_list);
2773 return 1;
2774
5ff1d584
AV		 2775fail_async_pd:
2776 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
b64b0e8f
AV		 2777fail_ex_init_cb:
2778 kfree(ha->npiv_info);
73208dfd
AC		 2779fail_npiv_info:
2780 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
2781 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
2782 (*rsp)->ring = NULL;
2783 (*rsp)->dma = 0;
e315cd28 2784fail_rsp_ring:
73208dfd 2785 kfree(*rsp);
e315cd28 2786fail_rsp:
73208dfd
AC		 2787 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
2788 sizeof(request_t), (*req)->ring, (*req)->dma);
2789 (*req)->ring = NULL;
2790 (*req)->dma = 0;
e315cd28 2791fail_req_ring:
73208dfd 2792 kfree(*req);
e315cd28
AC		 2793fail_req:
2794 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
2795 ha->ct_sns, ha->ct_sns_dma);
2796 ha->ct_sns = NULL;
2797 ha->ct_sns_dma = 0;
e8711085
AV		 2798fail_free_ms_iocb:
2799 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2800 ha->ms_iocb = NULL;
2801 ha->ms_iocb_dma = 0;
e315cd28 2802fail_dma_pool:
bad75002 2803 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2804 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2805 ha->fcp_cmnd_dma_pool = NULL;
2806 }
2807fail_dl_dma_pool:
bad75002 2808 if (IS_QLA82XX(ha) || ql2xenabledif) {
a9083016
GM		 2809 dma_pool_destroy(ha->dl_dma_pool);
2810 ha->dl_dma_pool = NULL;
2811 }
2812fail_s_dma_pool:
e315cd28
AC		 2813 dma_pool_destroy(ha->s_dma_pool);
2814 ha->s_dma_pool = NULL;
e8711085
AV		 2815fail_free_nvram:
2816 kfree(ha->nvram);
2817 ha->nvram = NULL;
a9083016
GM		 2818fail_free_ctx_mempool:
2819 mempool_destroy(ha->ctx_mempool);
2820 ha->ctx_mempool = NULL;
e8711085
AV		 2821fail_free_srb_mempool:
2822 mempool_destroy(ha->srb_mempool);
2823 ha->srb_mempool = NULL;
e8711085
AV		 2824fail_free_gid_list:
2825 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2826 ha->gid_list_dma);
e8711085
AV		 2827 ha->gid_list = NULL;
2828 ha->gid_list_dma = 0;
e315cd28
AC		 2829fail_free_init_cb:
2830 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
2831 ha->init_cb_dma);
2832 ha->init_cb = NULL;
2833 ha->init_cb_dma = 0;
e8711085 2834fail:
e315cd28 2835 DEBUG(printk("%s: Memory allocation failure\n", __func__));
e8711085 2836 return -ENOMEM;
1da177e4
LT		 2837}
2838
2839/*
2840* qla2x00_mem_free
2841* Frees all adapter allocated memory.
2842*
2843* Input:
2844* ha = adapter block pointer.
2845*/
a824ebb3 2846static void
e315cd28 2847qla2x00_mem_free(struct qla_hw_data *ha)
1da177e4 2848{
e8711085
AV		 2849 if (ha->srb_mempool)
2850 mempool_destroy(ha->srb_mempool);
1da177e4 2851
df613b96
AV		 2852 if (ha->fce)
2853 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
e315cd28 2854 ha->fce_dma);
df613b96 2855
a7a167bf
AV		 2856 if (ha->fw_dump) {
2857 if (ha->eft)
2858 dma_free_coherent(&ha->pdev->dev,
e315cd28 2859 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
a7a167bf
AV		 2860 vfree(ha->fw_dump);
2861 }
2862
11bbc1d8
AV		 2863 if (ha->dcbx_tlv)
2864 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
2865 ha->dcbx_tlv, ha->dcbx_tlv_dma);
2866
ce0423f4
AV		 2867 if (ha->xgmac_data)
2868 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
2869 ha->xgmac_data, ha->xgmac_data_dma);
2870
1da177e4
LT		 2871 if (ha->sns_cmd)
2872 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
e315cd28 2873 ha->sns_cmd, ha->sns_cmd_dma);
1da177e4
LT		 2874
2875 if (ha->ct_sns)
2876 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
e315cd28 2877 ha->ct_sns, ha->ct_sns_dma);
1da177e4 2878
88729e53
AV		 2879 if (ha->sfp_data)
2880 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
2881
ad0ecd61
JC		 2882 if (ha->edc_data)
2883 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma);
2884
1da177e4
LT		 2885 if (ha->ms_iocb)
2886 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
2887
b64b0e8f 2888 if (ha->ex_init_cb)
a9083016
GM		 2889 dma_pool_free(ha->s_dma_pool,
2890 ha->ex_init_cb, ha->ex_init_cb_dma);
b64b0e8f 2891
5ff1d584
AV		 2892 if (ha->async_pd)
2893 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
2894
1da177e4
LT		 2895 if (ha->s_dma_pool)
2896 dma_pool_destroy(ha->s_dma_pool);
2897
1da177e4
LT		 2898 if (ha->gid_list)
2899 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
e315cd28 2900 ha->gid_list_dma);
1da177e4 2901
a9083016
GM		 2902 if (IS_QLA82XX(ha)) {
2903 if (!list_empty(&ha->gbl_dsd_list)) {
2904 struct dsd_dma *dsd_ptr, *tdsd_ptr;
2905
2906 /* clean up allocated prev pool */
2907 list_for_each_entry_safe(dsd_ptr,
2908 tdsd_ptr, &ha->gbl_dsd_list, list) {
2909 dma_pool_free(ha->dl_dma_pool,
2910 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
2911 list_del(&dsd_ptr->list);
2912 kfree(dsd_ptr);
2913 }
2914 }
2915 }
2916
2917 if (ha->dl_dma_pool)
2918 dma_pool_destroy(ha->dl_dma_pool);
2919
2920 if (ha->fcp_cmnd_dma_pool)
2921 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
2922
2923 if (ha->ctx_mempool)
2924 mempool_destroy(ha->ctx_mempool);
2925
e315cd28
AC		 2926 if (ha->init_cb)
2927 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
a9083016 2928 ha->init_cb, ha->init_cb_dma);
e315cd28
AC		 2929 vfree(ha->optrom_buffer);
2930 kfree(ha->nvram);
73208dfd 2931 kfree(ha->npiv_info);
1da177e4 2932
e8711085 2933 ha->srb_mempool = NULL;
a9083016 2934 ha->ctx_mempool = NULL;
a7a167bf
AV		 2935 ha->eft = NULL;
2936 ha->eft_dma = 0;
1da177e4
LT		 2937 ha->sns_cmd = NULL;
2938 ha->sns_cmd_dma = 0;
2939 ha->ct_sns = NULL;
2940 ha->ct_sns_dma = 0;
2941 ha->ms_iocb = NULL;
2942 ha->ms_iocb_dma = 0;
1da177e4
LT		 2943 ha->init_cb = NULL;
2944 ha->init_cb_dma = 0;
b64b0e8f
AV		 2945 ha->ex_init_cb = NULL;
2946 ha->ex_init_cb_dma = 0;
5ff1d584
AV		 2947 ha->async_pd = NULL;
2948 ha->async_pd_dma = 0;
1da177e4
LT		 2949
2950 ha->s_dma_pool = NULL;
a9083016
GM		 2951 ha->dl_dma_pool = NULL;
2952 ha->fcp_cmnd_dma_pool = NULL;
1da177e4 2953
1da177e4
LT		 2954 ha->gid_list = NULL;
2955 ha->gid_list_dma = 0;
2956
e315cd28
AC		 2957 ha->fw_dump = NULL;
2958 ha->fw_dumped = 0;
2959 ha->fw_dump_reading = 0;
e315cd28 2960}
1da177e4 2961
e315cd28
AC		 2962struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
2963 struct qla_hw_data *ha)
2964{
2965 struct Scsi_Host *host;
2966 struct scsi_qla_host *vha = NULL;
854165f4 2967
e315cd28
AC		 2968 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
2969 if (host == NULL) {
2970 printk(KERN_WARNING
2971 "qla2xxx: Couldn't allocate host from scsi layer!\n");
2972 goto fail;
2973 }
2974
2975 /* Clear our data area */
2976 vha = shost_priv(host);
2977 memset(vha, 0, sizeof(scsi_qla_host_t));
2978
2979 vha->host = host;
2980 vha->host_no = host->host_no;
2981 vha->hw = ha;
2982
2983 INIT_LIST_HEAD(&vha->vp_fcports);
2984 INIT_LIST_HEAD(&vha->work_list);
2985 INIT_LIST_HEAD(&vha->list);
2986
f999f4c1
AV		 2987 spin_lock_init(&vha->work_lock);
2988
e315cd28
AC		 2989 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
2990 return vha;
2991
2992fail:
2993 return vha;
1da177e4
LT		 2994}
2995
01ef66bb 2996static struct qla_work_evt *
f999f4c1 2997qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
0971de7f
AV		 2998{
2999 struct qla_work_evt *e;
3000
f999f4c1 3001 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
0971de7f
AV		 3002 if (!e)
3003 return NULL;
3004
3005 INIT_LIST_HEAD(&e->list);
3006 e->type = type;
3007 e->flags = QLA_EVT_FLAG_FREE;
3008 return e;
3009}
3010
01ef66bb 3011static int
f999f4c1 3012qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
0971de7f 3013{
f999f4c1 3014 unsigned long flags;
0971de7f 3015
f999f4c1 3016 spin_lock_irqsave(&vha->work_lock, flags);
e315cd28 3017 list_add_tail(&e->list, &vha->work_list);
f999f4c1 3018 spin_unlock_irqrestore(&vha->work_lock, flags);
e315cd28 3019 qla2xxx_wake_dpc(vha);
f999f4c1 3020
0971de7f
AV		 3021 return QLA_SUCCESS;
3022}
3023
3024int
e315cd28 3025qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
0971de7f
AV		 3026 u32 data)
3027{
3028 struct qla_work_evt *e;
3029
f999f4c1 3030 e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
0971de7f
AV		 3031 if (!e)
3032 return QLA_FUNCTION_FAILED;
3033
3034 e->u.aen.code = code;
3035 e->u.aen.data = data;
f999f4c1 3036 return qla2x00_post_work(vha, e);
0971de7f
AV		 3037}
3038
8a659571
AV		 3039int
3040qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3041{
3042 struct qla_work_evt *e;
3043
f999f4c1 3044 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
8a659571
AV		 3045 if (!e)
3046 return QLA_FUNCTION_FAILED;
3047
3048 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
f999f4c1 3049 return qla2x00_post_work(vha, e);
8a659571
AV		 3050}
3051
ac280b67
AV		 3052#define qla2x00_post_async_work(name, type) \
3053int qla2x00_post_async_##name##_work( \
3054 struct scsi_qla_host *vha, \
3055 fc_port_t *fcport, uint16_t *data) \
3056{ \
3057 struct qla_work_evt *e; \
3058 \
3059 e = qla2x00_alloc_work(vha, type); \
3060 if (!e) \
3061 return QLA_FUNCTION_FAILED; \
3062 \
3063 e->u.logio.fcport = fcport; \
3064 if (data) { \
3065 e->u.logio.data[0] = data[0]; \
3066 e->u.logio.data[1] = data[1]; \
3067 } \
3068 return qla2x00_post_work(vha, e); \
3069}
3070
3071qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3072qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3073qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3074qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
5ff1d584
AV		 3075qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3076qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
ac280b67 3077
3420d36c
AV		 3078int
3079qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3080{
3081 struct qla_work_evt *e;
3082
3083 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3084 if (!e)
3085 return QLA_FUNCTION_FAILED;
3086
3087 e->u.uevent.code = code;
3088 return qla2x00_post_work(vha, e);
3089}
3090
3091static void
3092qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3093{
3094 char event_string[40];
3095 char *envp[] = { event_string, NULL };
3096
3097 switch (code) {
3098 case QLA_UEVENT_CODE_FW_DUMP:
3099 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3100 vha->host_no);
3101 break;
3102 default:
3103 /* do nothing */
3104 break;
3105 }
3106 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3107}
3108
ac280b67 3109void
e315cd28 3110qla2x00_do_work(struct scsi_qla_host *vha)
0971de7f 3111{
f999f4c1
AV		 3112 struct qla_work_evt *e, *tmp;
3113 unsigned long flags;
3114 LIST_HEAD(work);
0971de7f 3115
f999f4c1
AV		 3116 spin_lock_irqsave(&vha->work_lock, flags);
3117 list_splice_init(&vha->work_list, &work);
3118 spin_unlock_irqrestore(&vha->work_lock, flags);
3119
3120 list_for_each_entry_safe(e, tmp, &work, list) {
0971de7f 3121 list_del_init(&e->list);
0971de7f
AV		 3122
3123 switch (e->type) {
3124 case QLA_EVT_AEN:
e315cd28 3125 fc_host_post_event(vha->host, fc_get_event_number(),
0971de7f
AV		 3126 e->u.aen.code, e->u.aen.data);
3127 break;
8a659571
AV		 3128 case QLA_EVT_IDC_ACK:
3129 qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3130 break;
ac280b67
AV		 3131 case QLA_EVT_ASYNC_LOGIN:
3132 qla2x00_async_login(vha, e->u.logio.fcport,
3133 e->u.logio.data);
3134 break;
3135 case QLA_EVT_ASYNC_LOGIN_DONE:
3136 qla2x00_async_login_done(vha, e->u.logio.fcport,
3137 e->u.logio.data);
3138 break;
3139 case QLA_EVT_ASYNC_LOGOUT:
3140 qla2x00_async_logout(vha, e->u.logio.fcport);
3141 break;
3142 case QLA_EVT_ASYNC_LOGOUT_DONE:
3143 qla2x00_async_logout_done(vha, e->u.logio.fcport,
3144 e->u.logio.data);
3145 break;
5ff1d584
AV		 3146 case QLA_EVT_ASYNC_ADISC:
3147 qla2x00_async_adisc(vha, e->u.logio.fcport,
3148 e->u.logio.data);
3149 break;
3150 case QLA_EVT_ASYNC_ADISC_DONE:
3151 qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3152 e->u.logio.data);
3153 break;
3420d36c
AV		 3154 case QLA_EVT_UEVENT:
3155 qla2x00_uevent_emit(vha, e->u.uevent.code);
3156 break;
0971de7f
AV		 3157 }
3158 if (e->flags & QLA_EVT_FLAG_FREE)
3159 kfree(e);
e315cd28 3160 }
e315cd28 3161}
f999f4c1 3162
e315cd28
AC		 3163/* Relogins all the fcports of a vport
3164 * Context: dpc thread
3165 */
3166void qla2x00_relogin(struct scsi_qla_host *vha)
3167{
3168 fc_port_t *fcport;
c6b2fca8 3169 int status;
e315cd28
AC		 3170 uint16_t next_loopid = 0;
3171 struct qla_hw_data *ha = vha->hw;
ac280b67 3172 uint16_t data[2];
e315cd28
AC		 3173
3174 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3175 /*
3176 * If the port is not ONLINE then try to login
3177 * to it if we haven't run out of retries.
3178 */
5ff1d584
AV		 3179 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3180 fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
ac280b67 3181 fcport->login_retry--;
e315cd28 3182 if (fcport->flags & FCF_FABRIC_DEVICE) {
f08b7251 3183 if (fcport->flags & FCF_FCP2_DEVICE)
e315cd28
AC		 3184 ha->isp_ops->fabric_logout(vha,
3185 fcport->loop_id,
3186 fcport->d_id.b.domain,
3187 fcport->d_id.b.area,
3188 fcport->d_id.b.al_pa);
3189
ac280b67 3190 if (IS_ALOGIO_CAPABLE(ha)) {
5ff1d584 3191 fcport->flags |= FCF_ASYNC_SENT;
ac280b67
AV		 3192 data[0] = 0;
3193 data[1] = QLA_LOGIO_LOGIN_RETRIED;
3194 status = qla2x00_post_async_login_work(
3195 vha, fcport, data);
3196 if (status == QLA_SUCCESS)
3197 continue;
3198 /* Attempt a retry. */
3199 status = 1;
3200 } else
3201 status = qla2x00_fabric_login(vha,
3202 fcport, &next_loopid);
e315cd28
AC		 3203 } else
3204 status = qla2x00_local_device_login(vha,
3205 fcport);
3206
e315cd28
AC		 3207 if (status == QLA_SUCCESS) {
3208 fcport->old_loop_id = fcport->loop_id;
3209
3210 DEBUG(printk("scsi(%ld): port login OK: logged "
3211 "in ID 0x%x\n", vha->host_no, fcport->loop_id));
3212
3213 qla2x00_update_fcport(vha, fcport);
3214
3215 } else if (status == 1) {
3216 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3217 /* retry the login again */
3218 DEBUG(printk("scsi(%ld): Retrying"
3219 " %d login again loop_id 0x%x\n",
3220 vha->host_no, fcport->login_retry,
3221 fcport->loop_id));
3222 } else {
3223 fcport->login_retry = 0;
3224 }
3225
3226 if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3227 fcport->loop_id = FC_NO_LOOP_ID;
3228 }
3229 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3230 break;
0971de7f 3231 }
0971de7f
AV		 3232}
3233
1da177e4
LT		 3234/**************************************************************************
3235* qla2x00_do_dpc
3236* This kernel thread is a task that is schedule by the interrupt handler
3237* to perform the background processing for interrupts.
3238*
3239* Notes:
3240* This task always run in the context of a kernel thread. It
3241* is kick-off by the driver's detect code and starts up
3242* up one per adapter. It immediately goes to sleep and waits for
3243* some fibre event. When either the interrupt handler or
3244* the timer routine detects a event it will one of the task
3245* bits then wake us up.
3246**************************************************************************/
3247static int
3248qla2x00_do_dpc(void *data)
3249{
2c3dfe3f 3250 int rval;
e315cd28
AC		 3251 scsi_qla_host_t *base_vha;
3252 struct qla_hw_data *ha;
1da177e4 3253
e315cd28
AC		 3254 ha = (struct qla_hw_data *)data;
3255 base_vha = pci_get_drvdata(ha->pdev);
1da177e4 3256
1da177e4
LT		 3257 set_user_nice(current, -20);
3258
39a11240 3259 while (!kthread_should_stop()) {
1da177e4
LT		 3260 DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
3261
39a11240
CH		 3262 set_current_state(TASK_INTERRUPTIBLE);
3263 schedule();
3264 __set_current_state(TASK_RUNNING);
1da177e4
LT		 3265
3266 DEBUG3(printk("qla2x00: DPC handler waking up\n"));
3267
3268 /* Initialization not yet finished. Don't do anything yet. */
e315cd28 3269 if (!base_vha->flags.init_done)
1da177e4
LT		 3270 continue;
3271
85880801
AV		 3272 if (ha->flags.eeh_busy) {
3273 DEBUG17(qla_printk(KERN_WARNING, ha,
3274 "qla2x00_do_dpc: dpc_flags: %lx\n",
3275 base_vha->dpc_flags));
3276 continue;
3277 }
3278
e315cd28 3279 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no));
1da177e4
LT		 3280
3281 ha->dpc_active = 1;
3282
1da177e4 3283 if (ha->flags.mbox_busy) {
1da177e4
LT		 3284 ha->dpc_active = 0;
3285 continue;
3286 }
3287
e315cd28 3288 qla2x00_do_work(base_vha);
0971de7f 3289
a9083016
GM		 3290 if (IS_QLA82XX(ha)) {
3291 if (test_and_clear_bit(ISP_UNRECOVERABLE,
3292 &base_vha->dpc_flags)) {
3293 qla82xx_idc_lock(ha);
3294 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3295 QLA82XX_DEV_FAILED);
3296 qla82xx_idc_unlock(ha);
3297 qla_printk(KERN_INFO, ha,
3298 "HW State: FAILED\n");
3299 qla82xx_device_state_handler(base_vha);
3300 continue;
3301 }
3302
3303 if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3304 &base_vha->dpc_flags)) {
3305
3306 DEBUG(printk(KERN_INFO
3307 "scsi(%ld): dpc: sched "
3308 "qla82xx_fcoe_ctx_reset ha = %p\n",
3309 base_vha->host_no, ha));
3310 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3311 &base_vha->dpc_flags))) {
3312 if (qla82xx_fcoe_ctx_reset(base_vha)) {
3313 /* FCoE-ctx reset failed.
3314 * Escalate to chip-reset
3315 */
3316 set_bit(ISP_ABORT_NEEDED,
3317 &base_vha->dpc_flags);
3318 }
3319 clear_bit(ABORT_ISP_ACTIVE,
3320 &base_vha->dpc_flags);
3321 }
3322
3323 DEBUG(printk("scsi(%ld): dpc:"
3324 " qla82xx_fcoe_ctx_reset end\n",
3325 base_vha->host_no));
3326 }
3327 }
3328
e315cd28
AC		 3329 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3330 &base_vha->dpc_flags)) {
1da177e4
LT		 3331
3332 DEBUG(printk("scsi(%ld): dpc: sched "
3333 "qla2x00_abort_isp ha = %p\n",
e315cd28 3334 base_vha->host_no, ha));
1da177e4 3335 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
e315cd28 3336 &base_vha->dpc_flags))) {
1da177e4 3337
a9083016 3338 if (ha->isp_ops->abort_isp(base_vha)) {
1da177e4
LT		 3339 /* failed. retry later */
3340 set_bit(ISP_ABORT_NEEDED,
e315cd28 3341 &base_vha->dpc_flags);
99363ef8 3342 }
e315cd28
AC		 3343 clear_bit(ABORT_ISP_ACTIVE,
3344 &base_vha->dpc_flags);
99363ef8
SJ		 3345 }
3346
1da177e4 3347 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
e315cd28 3348 base_vha->host_no));
1da177e4
LT		 3349 }
3350
e315cd28
AC		 3351 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3352 qla2x00_update_fcports(base_vha);
3353 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
c9c5ced9 3354 }
d97994dc 3355
e315cd28
AC		 3356 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3357 &base_vha->dpc_flags) &&
3358 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
1da177e4
LT		 3359
3360 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
e315cd28 3361 base_vha->host_no));
1da177e4 3362
e315cd28
AC		 3363 qla2x00_rst_aen(base_vha);
3364 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
1da177e4
LT		 3365 }
3366
3367 /* Retry each device up to login retry count */
e315cd28
AC		 3368 if ((test_and_clear_bit(RELOGIN_NEEDED,
3369 &base_vha->dpc_flags)) &&
3370 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3371 atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
1da177e4
LT		 3372
3373 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
e315cd28
AC		 3374 base_vha->host_no));
3375 qla2x00_relogin(base_vha);
3376
1da177e4 3377 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
e315cd28 3378 base_vha->host_no));
1da177e4
LT		 3379 }
3380
e315cd28
AC		 3381 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3382 &base_vha->dpc_flags)) {
1da177e4
LT		 3383
3384 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
e315cd28 3385 base_vha->host_no));
1da177e4
LT		 3386
3387 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
e315cd28 3388 &base_vha->dpc_flags))) {
1da177e4 3389
e315cd28 3390 rval = qla2x00_loop_resync(base_vha);
1da177e4 3391
e315cd28
AC		 3392 clear_bit(LOOP_RESYNC_ACTIVE,
3393 &base_vha->dpc_flags);
1da177e4
LT		 3394 }
3395
3396 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
e315cd28 3397 base_vha->host_no));
1da177e4
LT		 3398 }
3399
e315cd28
AC		 3400 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3401 atomic_read(&base_vha->loop_state) == LOOP_READY) {
3402 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3403 qla2xxx_flash_npiv_conf(base_vha);
272976ca
AV		 3404 }
3405
1da177e4 3406 if (!ha->interrupts_on)
fd34f556 3407 ha->isp_ops->enable_intrs(ha);
1da177e4 3408
e315cd28
AC		 3409 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3410 &base_vha->dpc_flags))
3411 ha->isp_ops->beacon_blink(base_vha);
f6df144c 3412
e315cd28 3413 qla2x00_do_dpc_all_vps(base_vha);
2c3dfe3f 3414
1da177e4
LT		 3415 ha->dpc_active = 0;
3416 } /* End of while(1) */
3417
e315cd28 3418 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
1da177e4
LT		 3419
3420 /*
3421 * Make sure that nobody tries to wake us up again.
3422 */
1da177e4
LT		 3423 ha->dpc_active = 0;
3424
ac280b67
AV		 3425 /* Cleanup any residual CTX SRBs. */
3426 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3427
39a11240
CH		 3428 return 0;
3429}
3430
3431void
e315cd28 3432qla2xxx_wake_dpc(struct scsi_qla_host *vha)
39a11240 3433{
e315cd28 3434 struct qla_hw_data *ha = vha->hw;
c795c1e4
AV		 3435 struct task_struct *t = ha->dpc_thread;
3436
e315cd28 3437 if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
c795c1e4 3438 wake_up_process(t);
1da177e4
LT		 3439}
3440
1da177e4
LT		 3441/*
3442* qla2x00_rst_aen
3443* Processes asynchronous reset.
3444*
3445* Input:
3446* ha = adapter block pointer.
3447*/
3448static void
e315cd28 3449qla2x00_rst_aen(scsi_qla_host_t *vha)
1da177e4 3450{
e315cd28
AC		 3451 if (vha->flags.online && !vha->flags.reset_active &&
3452 !atomic_read(&vha->loop_down_timer) &&
3453 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
1da177e4 3454 do {
e315cd28 3455 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3456
3457 /*
3458 * Issue marker command only when we are going to start
3459 * the I/O.
3460 */
e315cd28
AC		 3461 vha->marker_needed = 1;
3462 } while (!atomic_read(&vha->loop_down_timer) &&
3463 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
1da177e4
LT		 3464 }
3465}
3466
f4f051eb 3467static void
e315cd28 3468qla2x00_sp_free_dma(srb_t *sp)
f4f051eb 3469{
3470 struct scsi_cmnd *cmd = sp->cmd;
bad75002 3471 struct qla_hw_data *ha = sp->fcport->vha->hw;
f4f051eb 3472
3473 if (sp->flags & SRB_DMA_VALID) {
385d70b4 3474 scsi_dma_unmap(cmd);
f4f051eb 3475 sp->flags &= ~SRB_DMA_VALID;
3476 }
bad75002
AE		 3477
3478 if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
3479 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
3480 scsi_prot_sg_count(cmd), cmd->sc_data_direction);
3481 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
3482 }
3483
3484 if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
3485 /* List assured to be having elements */
3486 qla2x00_clean_dsd_pool(ha, sp);
3487 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
3488 }
3489
3490 if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
3491 dma_pool_free(ha->dl_dma_pool, sp->ctx,
3492 ((struct crc_context *)sp->ctx)->crc_ctx_dma);
3493 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
3494 }
3495
fca29703 3496 CMD_SP(cmd) = NULL;
f4f051eb 3497}
3498
3499void
083a469d 3500qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
f4f051eb 3501{
3502 struct scsi_cmnd *cmd = sp->cmd;
3503
e315cd28 3504 qla2x00_sp_free_dma(sp);
f4f051eb 3505
a9083016
GM		 3506 if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
3507 struct ct6_dsd *ctx = sp->ctx;
3508 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
3509 ctx->fcp_cmnd_dma);
3510 list_splice(&ctx->dsd_list, &ha->gbl_dsd_list);
3511 ha->gbl_dsd_inuse -= ctx->dsd_use_cnt;
3512 ha->gbl_dsd_avail += ctx->dsd_use_cnt;
3513 mempool_free(sp->ctx, ha->ctx_mempool);
3514 sp->ctx = NULL;
3515 }
f4f051eb 3516
a9083016 3517 mempool_free(sp, ha->srb_mempool);
f4f051eb 3518 cmd->scsi_done(cmd);
3519}
bdf79621 3520
083a469d
GM		 3521void
3522qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp)
3523{
3524 if (atomic_read(&sp->ref_count) == 0) {
3525 DEBUG2(qla_printk(KERN_WARNING, ha,
3526 "SP reference-count to ZERO -- sp=%p\n", sp));
3527 DEBUG2(BUG());
3528 return;
3529 }
3530 if (!atomic_dec_and_test(&sp->ref_count))
3531 return;
3532 qla2x00_sp_final_compl(ha, sp);
3533}
3534
1da177e4
LT		 3535/**************************************************************************
3536* qla2x00_timer
3537*
3538* Description:
3539* One second timer
3540*
3541* Context: Interrupt
3542***************************************************************************/
2c3dfe3f 3543void
e315cd28 3544qla2x00_timer(scsi_qla_host_t *vha)
1da177e4 3545{
1da177e4
LT		 3546 unsigned long cpu_flags = 0;
3547 fc_port_t *fcport;
1da177e4
LT		 3548 int start_dpc = 0;
3549 int index;
3550 srb_t *sp;
f4f051eb 3551 int t;
85880801 3552 uint16_t w;
e315cd28 3553 struct qla_hw_data *ha = vha->hw;
73208dfd 3554 struct req_que *req;
85880801 3555
a9083016
GM		 3556 if (IS_QLA82XX(ha))
3557 qla82xx_watchdog(vha);
3558
85880801
AV		 3559 /* Hardware read to raise pending EEH errors during mailbox waits. */
3560 if (!pci_channel_offline(ha->pdev))
3561 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
1da177e4
LT		 3562 /*
3563 * Ports - Port down timer.
3564 *
3565 * Whenever, a port is in the LOST state we start decrementing its port
3566 * down timer every second until it reaches zero. Once it reaches zero
fa2a1ce5 3567 * the port it marked DEAD.
1da177e4
LT		 3568 */
3569 t = 0;
e315cd28 3570 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3571 if (fcport->port_type != FCT_TARGET)
3572 continue;
3573
3574 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
3575
3576 if (atomic_read(&fcport->port_down_timer) == 0)
3577 continue;
3578
fa2a1ce5 3579 if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
1da177e4 3580 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
fa2a1ce5 3581
1da177e4 3582 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
fca29703 3583 "%d remaining\n",
e315cd28 3584 vha->host_no,
1da177e4
LT		 3585 t, atomic_read(&fcport->port_down_timer)));
3586 }
3587 t++;
3588 } /* End of for fcport */
3589
1da177e4
LT		 3590
3591 /* Loop down handler. */
e315cd28
AC		 3592 if (atomic_read(&vha->loop_down_timer) > 0 &&
3593 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3594 && vha->flags.online) {
1da177e4 3595
e315cd28
AC		 3596 if (atomic_read(&vha->loop_down_timer) ==
3597 vha->loop_down_abort_time) {
1da177e4
LT		 3598
3599 DEBUG(printk("scsi(%ld): Loop Down - aborting the "
3600 "queues before time expire\n",
e315cd28 3601 vha->host_no));
1da177e4 3602
e315cd28
AC		 3603 if (!IS_QLA2100(ha) && vha->link_down_timeout)
3604 atomic_set(&vha->loop_state, LOOP_DEAD);
1da177e4 3605
f08b7251
AV		 3606 /*
3607 * Schedule an ISP abort to return any FCP2-device
3608 * commands.
3609 */
2c3dfe3f 3610 /* NPIV - scan physical port only */
e315cd28 3611 if (!vha->vp_idx) {
2c3dfe3f
SJ		 3612 spin_lock_irqsave(&ha->hardware_lock,
3613 cpu_flags);
73208dfd 3614 req = ha->req_q_map[0];
2c3dfe3f
SJ		 3615 for (index = 1;
3616 index < MAX_OUTSTANDING_COMMANDS;
3617 index++) {
3618 fc_port_t *sfcp;
3619
e315cd28 3620 sp = req->outstanding_cmds[index];
2c3dfe3f
SJ		 3621 if (!sp)
3622 continue;
bad75002 3623 if (sp->ctx && !IS_PROT_IO(sp))
cf53b069 3624 continue;
2c3dfe3f 3625 sfcp = sp->fcport;
f08b7251 3626 if (!(sfcp->flags & FCF_FCP2_DEVICE))
2c3dfe3f 3627 continue;
bdf79621 3628
2c3dfe3f 3629 set_bit(ISP_ABORT_NEEDED,
e315cd28 3630 &vha->dpc_flags);
2c3dfe3f
SJ		 3631 break;
3632 }
3633 spin_unlock_irqrestore(&ha->hardware_lock,
e315cd28 3634 cpu_flags);
1da177e4 3635 }
1da177e4
LT		 3636 start_dpc++;
3637 }
3638
3639 /* if the loop has been down for 4 minutes, reinit adapter */
e315cd28 3640 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
0d6e61bc 3641 if (!(vha->device_flags & DFLG_NO_CABLE)) {
1da177e4
LT		 3642 DEBUG(printk("scsi(%ld): Loop down - "
3643 "aborting ISP.\n",
e315cd28 3644 vha->host_no));
1da177e4
LT		 3645 qla_printk(KERN_WARNING, ha,
3646 "Loop down - aborting ISP.\n");
3647
e315cd28 3648 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1da177e4
LT		 3649 }
3650 }
fca29703 3651 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
e315cd28
AC		 3652 vha->host_no,
3653 atomic_read(&vha->loop_down_timer)));
1da177e4
LT		 3654 }
3655
f6df144c 3656 /* Check if beacon LED needs to be blinked */
3657 if (ha->beacon_blink_led == 1) {
e315cd28 3658 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
f6df144c 3659 start_dpc++;
3660 }
3661
550bf57d 3662 /* Process any deferred work. */
e315cd28 3663 if (!list_empty(&vha->work_list))
550bf57d
AV		 3664 start_dpc++;
3665
1da177e4 3666 /* Schedule the DPC routine if needed */
e315cd28
AC		 3667 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3668 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3669 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
1da177e4 3670 start_dpc ||
e315cd28
AC		 3671 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3672 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
a9083016
GM		 3673 test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3674 test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
e315cd28
AC		 3675 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3676 test_bit(RELOGIN_NEEDED, &vha->dpc_flags)))
3677 qla2xxx_wake_dpc(vha);
1da177e4 3678
e315cd28 3679 qla2x00_restart_timer(vha, WATCH_INTERVAL);
1da177e4
LT		 3680}
3681
5433383e
AV		 3682/* Firmware interface routines. */
3683
a9083016 3684#define FW_BLOBS 8
5433383e
AV		 3685#define FW_ISP21XX 0
3686#define FW_ISP22XX 1
3687#define FW_ISP2300 2
3688#define FW_ISP2322 3
48c02fde 3689#define FW_ISP24XX 4
c3a2f0df 3690#define FW_ISP25XX 5
3a03eb79 3691#define FW_ISP81XX 6
a9083016 3692#define FW_ISP82XX 7
5433383e 3693
bb8ee499
AV		 3694#define FW_FILE_ISP21XX "ql2100_fw.bin"
3695#define FW_FILE_ISP22XX "ql2200_fw.bin"
3696#define FW_FILE_ISP2300 "ql2300_fw.bin"
3697#define FW_FILE_ISP2322 "ql2322_fw.bin"
3698#define FW_FILE_ISP24XX "ql2400_fw.bin"
c3a2f0df 3699#define FW_FILE_ISP25XX "ql2500_fw.bin"
3a03eb79 3700#define FW_FILE_ISP81XX "ql8100_fw.bin"
a9083016 3701#define FW_FILE_ISP82XX "ql8200_fw.bin"
bb8ee499 3702
e1e82b6f 3703static DEFINE_MUTEX(qla_fw_lock);
5433383e
AV		 3704
3705static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
bb8ee499
AV		 3706 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
3707 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
3708 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
3709 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
3710 { .name = FW_FILE_ISP24XX, },
c3a2f0df 3711 { .name = FW_FILE_ISP25XX, },
3a03eb79 3712 { .name = FW_FILE_ISP81XX, },
a9083016 3713 { .name = FW_FILE_ISP82XX, },
5433383e
AV		 3714};
3715
3716struct fw_blob *
e315cd28 3717qla2x00_request_firmware(scsi_qla_host_t *vha)
5433383e 3718{
e315cd28 3719 struct qla_hw_data *ha = vha->hw;
5433383e
AV		 3720 struct fw_blob *blob;
3721
3722 blob = NULL;
3723 if (IS_QLA2100(ha)) {
3724 blob = &qla_fw_blobs[FW_ISP21XX];
3725 } else if (IS_QLA2200(ha)) {
3726 blob = &qla_fw_blobs[FW_ISP22XX];
48c02fde 3727 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5433383e 3728 blob = &qla_fw_blobs[FW_ISP2300];
48c02fde 3729 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5433383e 3730 blob = &qla_fw_blobs[FW_ISP2322];
4d4df193 3731 } else if (IS_QLA24XX_TYPE(ha)) {
5433383e 3732 blob = &qla_fw_blobs[FW_ISP24XX];
c3a2f0df
AV		 3733 } else if (IS_QLA25XX(ha)) {
3734 blob = &qla_fw_blobs[FW_ISP25XX];
3a03eb79
AV		 3735 } else if (IS_QLA81XX(ha)) {
3736 blob = &qla_fw_blobs[FW_ISP81XX];
a9083016
GM		 3737 } else if (IS_QLA82XX(ha)) {
3738 blob = &qla_fw_blobs[FW_ISP82XX];
5433383e
AV		 3739 }
3740
e1e82b6f 3741 mutex_lock(&qla_fw_lock);
5433383e
AV		 3742 if (blob->fw)
3743 goto out;
3744
3745 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
3746 DEBUG2(printk("scsi(%ld): Failed to load firmware image "
e315cd28 3747 "(%s).\n", vha->host_no, blob->name));
5433383e
AV		 3748 blob->fw = NULL;
3749 blob = NULL;
3750 goto out;
3751 }
3752
3753out:
e1e82b6f 3754 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3755 return blob;
3756}
3757
3758static void
3759qla2x00_release_firmware(void)
3760{
3761 int idx;
3762
e1e82b6f 3763 mutex_lock(&qla_fw_lock);
5433383e
AV		 3764 for (idx = 0; idx < FW_BLOBS; idx++)
3765 if (qla_fw_blobs[idx].fw)
3766 release_firmware(qla_fw_blobs[idx].fw);
e1e82b6f 3767 mutex_unlock(&qla_fw_lock);
5433383e
AV		 3768}
3769
14e660e6
SJ		 3770static pci_ers_result_t
3771qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
3772{
85880801
AV		 3773 scsi_qla_host_t *vha = pci_get_drvdata(pdev);
3774 struct qla_hw_data *ha = vha->hw;
3775
3776 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n",
3777 state));
b9b12f73 3778
14e660e6
SJ		 3779 switch (state) {
3780 case pci_channel_io_normal:
85880801 3781 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3782 return PCI_ERS_RESULT_CAN_RECOVER;
3783 case pci_channel_io_frozen:
85880801 3784 ha->flags.eeh_busy = 1;
90a86fc0 3785 qla2x00_free_irqs(vha);
14e660e6
SJ		 3786 pci_disable_device(pdev);
3787 return PCI_ERS_RESULT_NEED_RESET;
3788 case pci_channel_io_perm_failure:
85880801
AV		 3789 ha->flags.pci_channel_io_perm_failure = 1;
3790 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
14e660e6
SJ		 3791 return PCI_ERS_RESULT_DISCONNECT;
3792 }
3793 return PCI_ERS_RESULT_NEED_RESET;
3794}
3795
3796static pci_ers_result_t
3797qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
3798{
3799 int risc_paused = 0;
3800 uint32_t stat;
3801 unsigned long flags;
e315cd28
AC		 3802 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3803 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3804 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3805 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
3806
3807 spin_lock_irqsave(&ha->hardware_lock, flags);
3808 if (IS_QLA2100(ha) || IS_QLA2200(ha)){
3809 stat = RD_REG_DWORD(&reg->hccr);
3810 if (stat & HCCR_RISC_PAUSE)
3811 risc_paused = 1;
3812 } else if (IS_QLA23XX(ha)) {
3813 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
3814 if (stat & HSR_RISC_PAUSED)
3815 risc_paused = 1;
3816 } else if (IS_FWI2_CAPABLE(ha)) {
3817 stat = RD_REG_DWORD(&reg24->host_status);
3818 if (stat & HSRX_RISC_PAUSED)
3819 risc_paused = 1;
3820 }
3821 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3822
3823 if (risc_paused) {
3824 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, "
3825 "Dumping firmware!\n");
e315cd28 3826 ha->isp_ops->fw_dump(base_vha, 0);
14e660e6
SJ		 3827
3828 return PCI_ERS_RESULT_NEED_RESET;
3829 } else
3830 return PCI_ERS_RESULT_RECOVERED;
3831}
3832
3833static pci_ers_result_t
3834qla2xxx_pci_slot_reset(struct pci_dev *pdev)
3835{
3836 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
e315cd28
AC		 3837 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3838 struct qla_hw_data *ha = base_vha->hw;
90a86fc0
JC		 3839 struct rsp_que *rsp;
3840 int rc, retries = 10;
09483916 3841
85880801
AV		 3842 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n"));
3843
90a86fc0
JC		 3844 /* Workaround: qla2xxx driver which access hardware earlier
3845 * needs error state to be pci_channel_io_online.
3846 * Otherwise mailbox command timesout.
3847 */
3848 pdev->error_state = pci_channel_io_normal;
3849
3850 pci_restore_state(pdev);
3851
8c1496bd
RL		 3852 /* pci_restore_state() clears the saved_state flag of the device
3853 * save restored state which resets saved_state flag
3854 */
3855 pci_save_state(pdev);
3856
09483916
BH		 3857 if (ha->mem_only)
3858 rc = pci_enable_device_mem(pdev);
3859 else
3860 rc = pci_enable_device(pdev);
14e660e6 3861
09483916 3862 if (rc) {
14e660e6
SJ		 3863 qla_printk(KERN_WARNING, ha,
3864 "Can't re-enable PCI device after reset.\n");
14e660e6
SJ		 3865 return ret;
3866 }
14e660e6 3867
90a86fc0
JC		 3868 rsp = ha->rsp_q_map[0];
3869 if (qla2x00_request_irqs(ha, rsp))
3870 return ret;
3871
e315cd28 3872 if (ha->isp_ops->pci_config(base_vha))
14e660e6
SJ		 3873 return ret;
3874
90a86fc0
JC		 3875 while (ha->flags.mbox_busy && retries--)
3876 msleep(1000);
85880801 3877
e315cd28 3878 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
a9083016 3879 if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
14e660e6 3880 ret = PCI_ERS_RESULT_RECOVERED;
e315cd28 3881 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
14e660e6 3882
90a86fc0 3883
85880801
AV		 3884 DEBUG17(qla_printk(KERN_WARNING, ha,
3885 "slot_reset-return:ret=%x\n", ret));
3886
14e660e6
SJ		 3887 return ret;
3888}
3889
3890static void
3891qla2xxx_pci_resume(struct pci_dev *pdev)
3892{
e315cd28
AC		 3893 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
3894 struct qla_hw_data *ha = base_vha->hw;
14e660e6
SJ		 3895 int ret;
3896
85880801
AV		 3897 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n"));
3898
e315cd28 3899 ret = qla2x00_wait_for_hba_online(base_vha);
14e660e6
SJ		 3900 if (ret != QLA_SUCCESS) {
3901 qla_printk(KERN_ERR, ha,
3902 "the device failed to resume I/O "
3903 "from slot/link_reset");
3904 }
85880801 3905
3e46f031
LC		 3906 pci_cleanup_aer_uncorrect_error_status(pdev);
3907
85880801 3908 ha->flags.eeh_busy = 0;
14e660e6
SJ		 3909}
3910
3911static struct pci_error_handlers qla2xxx_err_handler = {
3912 .error_detected = qla2xxx_pci_error_detected,
3913 .mmio_enabled = qla2xxx_pci_mmio_enabled,
3914 .slot_reset = qla2xxx_pci_slot_reset,
3915 .resume = qla2xxx_pci_resume,
3916};
3917
5433383e 3918static struct pci_device_id qla2xxx_pci_tbl[] = {
47f5e069
AV		 3919 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
3920 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
3921 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
3922 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
3923 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
3924 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
3925 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
3926 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
3927 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4d4df193 3928 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
47f5e069
AV		 3929 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
3930 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
c3a2f0df 3931 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
3a03eb79 3932 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
a9083016 3933 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5433383e
AV		 3934 { 0 },
3935};
3936MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
3937
fca29703 3938static struct pci_driver qla2xxx_pci_driver = {
cb63067a 3939 .name = QLA2XXX_DRIVER_NAME,
0a21ef1e
JB		 3940 .driver = {
3941 .owner = THIS_MODULE,
3942 },
fca29703 3943 .id_table = qla2xxx_pci_tbl,
7ee61397 3944 .probe = qla2x00_probe_one,
4c993f76 3945 .remove = qla2x00_remove_one,
14e660e6 3946 .err_handler = &qla2xxx_err_handler,
fca29703
AV		 3947};
3948
6a03b4cd
HZ		 3949static struct file_operations apidev_fops = {
3950 .owner = THIS_MODULE,
3951};
3952
1da177e4
LT		 3953/**
3954 * qla2x00_module_init - Module initialization.
3955 **/
3956static int __init
3957qla2x00_module_init(void)
3958{
fca29703
AV		 3959 int ret = 0;
3960
1da177e4 3961 /* Allocate cache for SRBs. */
354d6b21 3962 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
20c2df83 3963 SLAB_HWCACHE_ALIGN, NULL);
1da177e4
LT		 3964 if (srb_cachep == NULL) {
3965 printk(KERN_ERR
3966 "qla2xxx: Unable to allocate SRB cache...Failing load!\n");
3967 return -ENOMEM;
3968 }
3969
3970 /* Derive version string. */
3971 strcpy(qla2x00_version_str, QLA2XXX_VERSION);
11010fec 3972 if (ql2xextended_error_logging)
0181944f
AV		 3973 strcat(qla2x00_version_str, "-debug");
3974
1c97a12a
AV		 3975 qla2xxx_transport_template =
3976 fc_attach_transport(&qla2xxx_transport_functions);
2c3dfe3f
SJ		 3977 if (!qla2xxx_transport_template) {
3978 kmem_cache_destroy(srb_cachep);
1da177e4 3979 return -ENODEV;
2c3dfe3f 3980 }
6a03b4cd
HZ		 3981
3982 apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
3983 if (apidev_major < 0) {
3984 printk(KERN_WARNING "qla2xxx: Unable to register char device "
3985 "%s\n", QLA2XXX_APIDEV);
3986 }
3987
2c3dfe3f
SJ		 3988 qla2xxx_transport_vport_template =
3989 fc_attach_transport(&qla2xxx_transport_vport_functions);
3990 if (!qla2xxx_transport_vport_template) {
3991 kmem_cache_destroy(srb_cachep);
3992 fc_release_transport(qla2xxx_transport_template);
1da177e4 3993 return -ENODEV;
2c3dfe3f 3994 }
1da177e4 3995
fd9a29f0
AV		 3996 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n",
3997 qla2x00_version_str);
7ee61397 3998 ret = pci_register_driver(&qla2xxx_pci_driver);
fca29703
AV		 3999 if (ret) {
4000 kmem_cache_destroy(srb_cachep);
4001 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 4002 fc_release_transport(qla2xxx_transport_vport_template);
fca29703
AV		 4003 }
4004 return ret;
1da177e4
LT		 4005}
4006
4007/**
4008 * qla2x00_module_exit - Module cleanup.
4009 **/
4010static void __exit
4011qla2x00_module_exit(void)
4012{
6a03b4cd 4013 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7ee61397 4014 pci_unregister_driver(&qla2xxx_pci_driver);
5433383e 4015 qla2x00_release_firmware();
354d6b21 4016 kmem_cache_destroy(srb_cachep);
a9083016
GM		 4017 if (ctx_cachep)
4018 kmem_cache_destroy(ctx_cachep);
1da177e4 4019 fc_release_transport(qla2xxx_transport_template);
2c3dfe3f 4020 fc_release_transport(qla2xxx_transport_vport_template);
1da177e4
LT		 4021}
4022
4023module_init(qla2x00_module_init);
4024module_exit(qla2x00_module_exit);
4025
4026MODULE_AUTHOR("QLogic Corporation");
4027MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4028MODULE_LICENSE("GPL");
4029MODULE_VERSION(QLA2XXX_VERSION);
bb8ee499
AV		 4030MODULE_FIRMWARE(FW_FILE_ISP21XX);
4031MODULE_FIRMWARE(FW_FILE_ISP22XX);
4032MODULE_FIRMWARE(FW_FILE_ISP2300);
4033MODULE_FIRMWARE(FW_FILE_ISP2322);
4034MODULE_FIRMWARE(FW_FILE_ISP24XX);
61623fc3 4035MODULE_FIRMWARE(FW_FILE_ISP25XX);
Linux 6.x block layer and io_uring tree(s)