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[SCSI] qla2xxx: Code cleanup to remove unwanted comments and code.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
de7c5d05 3 * Copyright (c) 2003-2010 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
73208dfd 8#include "qla_gbl.h"
1da177e4
LT		 9
10#include <linux/delay.h>
5a0e3ad6 11#include <linux/slab.h>
0107109e 12#include <linux/vmalloc.h>
1da177e4
LT		 13
14#include "qla_devtbl.h"
15
4e08df3f
DM		 16#ifdef CONFIG_SPARC
17#include <asm/prom.h>
4e08df3f
DM		 18#endif
19
1da177e4
LT		 20/*
21* QLogic ISP2x00 Hardware Support Function Prototypes.
22*/
1da177e4 23static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4 24static int qla2x00_setup_chip(scsi_qla_host_t *);
1da177e4
LT		 25static int qla2x00_init_rings(scsi_qla_host_t *);
26static int qla2x00_fw_ready(scsi_qla_host_t *);
27static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 28static int qla2x00_configure_loop(scsi_qla_host_t *);
29static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 30static int qla2x00_configure_fabric(scsi_qla_host_t *);
31static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32static int qla2x00_device_resync(scsi_qla_host_t *);
33static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
1da177e4
LT		 35
36static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 37
e315cd28 38static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
413975a0 39
4d4df193
HK		 40static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41static int qla84xx_init_chip(scsi_qla_host_t *);
73208dfd 42static int qla25xx_init_queues(struct qla_hw_data *);
4d4df193 43
ac280b67
AV		 44/* SRB Extensions ---------------------------------------------------------- */
45
46static void
47qla2x00_ctx_sp_timeout(unsigned long __data)
48{
49 srb_t *sp = (srb_t *)__data;
50 struct srb_ctx *ctx;
4916392b 51 struct srb_iocb *iocb;
ac280b67
AV		 52 fc_port_t *fcport = sp->fcport;
53 struct qla_hw_data *ha = fcport->vha->hw;
54 struct req_que *req;
55 unsigned long flags;
56
57 spin_lock_irqsave(&ha->hardware_lock, flags);
58 req = ha->req_q_map[0];
59 req->outstanding_cmds[sp->handle] = NULL;
60 ctx = sp->ctx;
4916392b
MI		 61 iocb = ctx->u.iocb_cmd;
62 iocb->timeout(sp);
4916392b 63 iocb->free(sp);
6ac52608 64 spin_unlock_irqrestore(&ha->hardware_lock, flags);
ac280b67
AV		 65}
66
3dbe756a 67static void
ac280b67
AV		 68qla2x00_ctx_sp_free(srb_t *sp)
69{
70 struct srb_ctx *ctx = sp->ctx;
4916392b 71 struct srb_iocb *iocb = ctx->u.iocb_cmd;
feafb7b1 72 struct scsi_qla_host *vha = sp->fcport->vha;
ac280b67 73
4d97cc53 74 del_timer(&iocb->timer);
4916392b 75 kfree(iocb);
ac280b67
AV		 76 kfree(ctx);
77 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
feafb7b1
AE		 78
79 QLA_VHA_MARK_NOT_BUSY(vha);
ac280b67
AV		 80}
81
82inline srb_t *
83qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
84 unsigned long tmo)
85{
feafb7b1 86 srb_t *sp = NULL;
ac280b67
AV		 87 struct qla_hw_data *ha = vha->hw;
88 struct srb_ctx *ctx;
4916392b 89 struct srb_iocb *iocb;
feafb7b1
AE		 90 uint8_t bail;
91
92 QLA_VHA_MARK_BUSY(vha, bail);
93 if (bail)
94 return NULL;
ac280b67
AV		 95
96 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
97 if (!sp)
98 goto done;
99 ctx = kzalloc(size, GFP_KERNEL);
100 if (!ctx) {
101 mempool_free(sp, ha->srb_mempool);
4916392b
MI		 102 sp = NULL;
103 goto done;
104 }
105 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
106 if (!iocb) {
107 mempool_free(sp, ha->srb_mempool);
108 sp = NULL;
109 kfree(ctx);
ac280b67
AV		 110 goto done;
111 }
112
113 memset(sp, 0, sizeof(*sp));
114 sp->fcport = fcport;
115 sp->ctx = ctx;
4916392b
MI		 116 ctx->u.iocb_cmd = iocb;
117 iocb->free = qla2x00_ctx_sp_free;
ac280b67 118
4916392b 119 init_timer(&iocb->timer);
ac280b67
AV		 120 if (!tmo)
121 goto done;
4916392b
MI		 122 iocb->timer.expires = jiffies + tmo * HZ;
123 iocb->timer.data = (unsigned long)sp;
124 iocb->timer.function = qla2x00_ctx_sp_timeout;
125 add_timer(&iocb->timer);
ac280b67 126done:
feafb7b1
AE		 127 if (!sp)
128 QLA_VHA_MARK_NOT_BUSY(vha);
ac280b67
AV		 129 return sp;
130}
131
132/* Asynchronous Login/Logout Routines -------------------------------------- */
133
5b91490e
AV		 134static inline unsigned long
135qla2x00_get_async_timeout(struct scsi_qla_host *vha)
136{
137 unsigned long tmo;
138 struct qla_hw_data *ha = vha->hw;
139
140 /* Firmware should use switch negotiated r_a_tov for timeout. */
141 tmo = ha->r_a_tov / 10 * 2;
142 if (!IS_FWI2_CAPABLE(ha)) {
143 /*
144 * Except for earlier ISPs where the timeout is seeded from the
145 * initialization control block.
146 */
147 tmo = ha->login_timeout;
148 }
149 return tmo;
150}
ac280b67
AV		 151
152static void
3822263e 153qla2x00_async_iocb_timeout(srb_t *sp)
ac280b67
AV		 154{
155 fc_port_t *fcport = sp->fcport;
4916392b 156 struct srb_ctx *ctx = sp->ctx;
ac280b67
AV		 157
158 DEBUG2(printk(KERN_WARNING
d3fa9e7d
AV		 159 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
160 fcport->vha->host_no, sp->handle,
161 ctx->name, fcport->d_id.b.domain,
162 fcport->d_id.b.area, fcport->d_id.b.al_pa));
ac280b67 163
5ff1d584 164 fcport->flags &= ~FCF_ASYNC_SENT;
6ac52608
AV		 165 if (ctx->type == SRB_LOGIN_CMD) {
166 struct srb_iocb *lio = ctx->u.iocb_cmd;
ac280b67 167 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
6ac52608
AV		 168 /* Retry as needed. */
169 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
170 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
171 QLA_LOGIO_LOGIN_RETRIED : 0;
172 qla2x00_post_async_login_done_work(fcport->vha, fcport,
173 lio->u.logio.data);
174 }
ac280b67
AV		 175}
176
99b0bec7
AV		 177static void
178qla2x00_async_login_ctx_done(srb_t *sp)
179{
4916392b
MI		 180 struct srb_ctx *ctx = sp->ctx;
181 struct srb_iocb *lio = ctx->u.iocb_cmd;
99b0bec7
AV		 182
183 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 184 lio->u.logio.data);
185 lio->free(sp);
99b0bec7
AV		 186}
187
ac280b67
AV		 188int
189qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
190 uint16_t *data)
191{
ac280b67 192 srb_t *sp;
4916392b
MI		 193 struct srb_ctx *ctx;
194 struct srb_iocb *lio;
ac280b67
AV		 195 int rval;
196
197 rval = QLA_FUNCTION_FAILED;
4916392b 198 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 199 qla2x00_get_async_timeout(vha) + 2);
ac280b67
AV		 200 if (!sp)
201 goto done;
202
4916392b
MI		 203 ctx = sp->ctx;
204 ctx->type = SRB_LOGIN_CMD;
205 ctx->name = "login";
206 lio = ctx->u.iocb_cmd;
3822263e 207 lio->timeout = qla2x00_async_iocb_timeout;
4916392b
MI		 208 lio->done = qla2x00_async_login_ctx_done;
209 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
ac280b67 210 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
4916392b 211 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
ac280b67
AV		 212 rval = qla2x00_start_sp(sp);
213 if (rval != QLA_SUCCESS)
214 goto done_free_sp;
215
216 DEBUG2(printk(KERN_DEBUG
217 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
218 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
219 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
220 fcport->login_retry));
221 return rval;
222
223done_free_sp:
4916392b 224 lio->free(sp);
ac280b67
AV		 225done:
226 return rval;
227}
228
99b0bec7
AV		 229static void
230qla2x00_async_logout_ctx_done(srb_t *sp)
231{
4916392b
MI		 232 struct srb_ctx *ctx = sp->ctx;
233 struct srb_iocb *lio = ctx->u.iocb_cmd;
99b0bec7
AV		 234
235 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 236 lio->u.logio.data);
237 lio->free(sp);
99b0bec7
AV		 238}
239
ac280b67
AV		 240int
241qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
242{
ac280b67 243 srb_t *sp;
4916392b
MI		 244 struct srb_ctx *ctx;
245 struct srb_iocb *lio;
ac280b67
AV		 246 int rval;
247
248 rval = QLA_FUNCTION_FAILED;
4916392b 249 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 250 qla2x00_get_async_timeout(vha) + 2);
ac280b67
AV		 251 if (!sp)
252 goto done;
253
4916392b
MI		 254 ctx = sp->ctx;
255 ctx->type = SRB_LOGOUT_CMD;
256 ctx->name = "logout";
257 lio = ctx->u.iocb_cmd;
3822263e 258 lio->timeout = qla2x00_async_iocb_timeout;
4916392b 259 lio->done = qla2x00_async_logout_ctx_done;
ac280b67
AV		 260 rval = qla2x00_start_sp(sp);
261 if (rval != QLA_SUCCESS)
262 goto done_free_sp;
263
264 DEBUG2(printk(KERN_DEBUG
265 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
266 fcport->vha->host_no, sp->handle, fcport->loop_id,
267 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
268 return rval;
269
270done_free_sp:
4916392b 271 lio->free(sp);
ac280b67
AV		 272done:
273 return rval;
274}
275
5ff1d584
AV		 276static void
277qla2x00_async_adisc_ctx_done(srb_t *sp)
278{
4916392b
MI		 279 struct srb_ctx *ctx = sp->ctx;
280 struct srb_iocb *lio = ctx->u.iocb_cmd;
5ff1d584
AV		 281
282 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 283 lio->u.logio.data);
284 lio->free(sp);
5ff1d584
AV		 285}
286
287int
288qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
289 uint16_t *data)
290{
5ff1d584 291 srb_t *sp;
4916392b
MI		 292 struct srb_ctx *ctx;
293 struct srb_iocb *lio;
5ff1d584
AV		 294 int rval;
295
296 rval = QLA_FUNCTION_FAILED;
4916392b 297 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 298 qla2x00_get_async_timeout(vha) + 2);
5ff1d584
AV		 299 if (!sp)
300 goto done;
301
4916392b
MI		 302 ctx = sp->ctx;
303 ctx->type = SRB_ADISC_CMD;
304 ctx->name = "adisc";
305 lio = ctx->u.iocb_cmd;
3822263e 306 lio->timeout = qla2x00_async_iocb_timeout;
4916392b 307 lio->done = qla2x00_async_adisc_ctx_done;
5ff1d584 308 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
4916392b 309 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
5ff1d584
AV		 310 rval = qla2x00_start_sp(sp);
311 if (rval != QLA_SUCCESS)
312 goto done_free_sp;
313
314 DEBUG2(printk(KERN_DEBUG
315 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
316 fcport->vha->host_no, sp->handle, fcport->loop_id,
317 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
318
319 return rval;
320
321done_free_sp:
4916392b 322 lio->free(sp);
5ff1d584
AV		 323done:
324 return rval;
325}
326
3822263e
MI		 327static void
328qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
329{
330 struct srb_ctx *ctx = sp->ctx;
331 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
332
333 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
334 iocb->free(sp);
335}
336
337int
338qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
339 uint32_t tag)
340{
341 struct scsi_qla_host *vha = fcport->vha;
3822263e
MI		 342 srb_t *sp;
343 struct srb_ctx *ctx;
344 struct srb_iocb *tcf;
345 int rval;
346
347 rval = QLA_FUNCTION_FAILED;
348 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 349 qla2x00_get_async_timeout(vha) + 2);
3822263e
MI		 350 if (!sp)
351 goto done;
352
353 ctx = sp->ctx;
354 ctx->type = SRB_TM_CMD;
355 ctx->name = "tmf";
356 tcf = ctx->u.iocb_cmd;
357 tcf->u.tmf.flags = flags;
358 tcf->u.tmf.lun = lun;
359 tcf->u.tmf.data = tag;
360 tcf->timeout = qla2x00_async_iocb_timeout;
361 tcf->done = qla2x00_async_tm_cmd_ctx_done;
362
363 rval = qla2x00_start_sp(sp);
364 if (rval != QLA_SUCCESS)
365 goto done_free_sp;
366
367 DEBUG2(printk(KERN_DEBUG
368 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
369 fcport->vha->host_no, sp->handle, fcport->loop_id,
370 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
371
372 return rval;
373
374done_free_sp:
375 tcf->free(sp);
376done:
377 return rval;
378}
379
4916392b 380void
ac280b67
AV		 381qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
382 uint16_t *data)
383{
384 int rval;
ac280b67
AV		 385
386 switch (data[0]) {
387 case MBS_COMMAND_COMPLETE:
99b0bec7 388 if (fcport->flags & FCF_FCP2_DEVICE) {
5ff1d584
AV		 389 fcport->flags |= FCF_ASYNC_SENT;
390 qla2x00_post_async_adisc_work(vha, fcport, data);
391 break;
99b0bec7
AV		 392 }
393 qla2x00_update_fcport(vha, fcport);
ac280b67
AV		 394 break;
395 case MBS_COMMAND_ERROR:
5ff1d584 396 fcport->flags &= ~FCF_ASYNC_SENT;
ac280b67
AV		 397 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
398 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
399 else
6ac52608 400 qla2x00_mark_device_lost(vha, fcport, 1, 1);
ac280b67
AV		 401 break;
402 case MBS_PORT_ID_USED:
403 fcport->loop_id = data[1];
6ac52608 404 qla2x00_post_async_logout_work(vha, fcport, NULL);
ac280b67
AV		 405 qla2x00_post_async_login_work(vha, fcport, NULL);
406 break;
407 case MBS_LOOP_ID_USED:
408 fcport->loop_id++;
409 rval = qla2x00_find_new_loop_id(vha, fcport);
410 if (rval != QLA_SUCCESS) {
5ff1d584 411 fcport->flags &= ~FCF_ASYNC_SENT;
6ac52608 412 qla2x00_mark_device_lost(vha, fcport, 1, 1);
ac280b67
AV		 413 break;
414 }
415 qla2x00_post_async_login_work(vha, fcport, NULL);
416 break;
417 }
4916392b 418 return;
ac280b67
AV		 419}
420
4916392b 421void
ac280b67
AV		 422qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
423 uint16_t *data)
424{
425 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4916392b 426 return;
ac280b67
AV		 427}
428
4916392b 429void
5ff1d584
AV		 430qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
432{
433 if (data[0] == MBS_COMMAND_COMPLETE) {
434 qla2x00_update_fcport(vha, fcport);
435
4916392b 436 return;
5ff1d584
AV		 437 }
438
439 /* Retry login. */
440 fcport->flags &= ~FCF_ASYNC_SENT;
441 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
442 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
443 else
6ac52608 444 qla2x00_mark_device_lost(vha, fcport, 1, 1);
5ff1d584 445
4916392b 446 return;
5ff1d584
AV		 447}
448
3822263e
MI		 449void
450qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
451 struct srb_iocb *iocb)
452{
453 int rval;
454 uint32_t flags;
455 uint16_t lun;
456
457 flags = iocb->u.tmf.flags;
458 lun = (uint16_t)iocb->u.tmf.lun;
459
460 /* Issue Marker IOCB */
d94d10e7
GM		 461 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
462 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
3822263e
MI		 463 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
464
465 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
466 DEBUG2_3_11(printk(KERN_WARNING
467 "%s(%ld): TM IOCB failed (%x).\n",
468 __func__, vha->host_no, rval));
469 }
470
471 return;
472}
473
1da177e4
LT		 474/****************************************************************************/
475/* QLogic ISP2x00 Hardware Support Functions. */
476/****************************************************************************/
477
478/*
479* qla2x00_initialize_adapter
480* Initialize board.
481*
482* Input:
483* ha = adapter block pointer.
484*
485* Returns:
486* 0 = success
487*/
488int
e315cd28 489qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 490{
491 int rval;
e315cd28 492 struct qla_hw_data *ha = vha->hw;
73208dfd 493 struct req_que *req = ha->req_q_map[0];
2533cf67 494
1da177e4 495 /* Clear adapter flags. */
e315cd28 496 vha->flags.online = 0;
2533cf67 497 ha->flags.chip_reset_done = 0;
e315cd28 498 vha->flags.reset_active = 0;
85880801
AV		 499 ha->flags.pci_channel_io_perm_failure = 0;
500 ha->flags.eeh_busy = 0;
e315cd28
AC		 501 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
502 atomic_set(&vha->loop_state, LOOP_DOWN);
503 vha->device_flags = DFLG_NO_CABLE;
504 vha->dpc_flags = 0;
505 vha->flags.management_server_logged_in = 0;
506 vha->marker_needed = 0;
1da177e4
LT		 507 ha->isp_abort_cnt = 0;
508 ha->beacon_blink_led = 0;
509
73208dfd
AC		 510 set_bit(0, ha->req_qid_map);
511 set_bit(0, ha->rsp_qid_map);
512
0107109e 513 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
e315cd28 514 rval = ha->isp_ops->pci_config(vha);
1da177e4 515 if (rval) {
7c98a046 516 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
e315cd28 517 vha->host_no));
1da177e4
LT		 518 return (rval);
519 }
520
e315cd28 521 ha->isp_ops->reset_chip(vha);
1da177e4 522
e315cd28 523 rval = qla2xxx_get_flash_info(vha);
c00d8994
AV		 524 if (rval) {
525 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
e315cd28 526 vha->host_no));
c00d8994
AV		 527 return (rval);
528 }
529
73208dfd 530 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 531
1da177e4 532 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 533
e315cd28 534 ha->isp_ops->nvram_config(vha);
1da177e4 535
d4c760c2
AV		 536 if (ha->flags.disable_serdes) {
537 /* Mask HBA via NVRAM settings? */
538 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
539 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
e315cd28
AC		 540 vha->port_name[0], vha->port_name[1],
541 vha->port_name[2], vha->port_name[3],
542 vha->port_name[4], vha->port_name[5],
543 vha->port_name[6], vha->port_name[7]);
d4c760c2
AV		 544 return QLA_FUNCTION_FAILED;
545 }
546
1da177e4
LT		 547 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
548
e315cd28
AC		 549 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
550 rval = ha->isp_ops->chip_diag(vha);
d19044c3
AV		 551 if (rval)
552 return (rval);
e315cd28 553 rval = qla2x00_setup_chip(vha);
d19044c3
AV		 554 if (rval)
555 return (rval);
1da177e4 556 }
a9083016 557
4d4df193 558 if (IS_QLA84XX(ha)) {
e315cd28 559 ha->cs84xx = qla84xx_get_chip(vha);
4d4df193
HK		 560 if (!ha->cs84xx) {
561 qla_printk(KERN_ERR, ha,
562 "Unable to configure ISP84XX.\n");
563 return QLA_FUNCTION_FAILED;
564 }
565 }
e315cd28 566 rval = qla2x00_init_rings(vha);
2533cf67 567 ha->flags.chip_reset_done = 1;
1da177e4 568
9a069e19 569 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
6c452a45 570 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
9a069e19
GM		 571 rval = qla84xx_init_chip(vha);
572 if (rval != QLA_SUCCESS) {
573 qla_printk(KERN_ERR, ha,
574 "Unable to initialize ISP84XX.\n");
575 qla84xx_put_chip(vha);
576 }
577 }
578
2f0f3f4f
MI		 579 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
580 qla24xx_read_fcp_prio_cfg(vha);
09ff701a 581
1da177e4
LT		 582 return (rval);
583}
584
585/**
abbd8870 586 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 587 * @ha: HA context
588 *
589 * Returns 0 on success.
590 */
abbd8870 591int
e315cd28 592qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 593{
a157b101 594 uint16_t w;
abbd8870 595 unsigned long flags;
e315cd28 596 struct qla_hw_data *ha = vha->hw;
3d71644c 597 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 598
1da177e4 599 pci_set_master(ha->pdev);
af6177d8 600 pci_try_set_mwi(ha->pdev);
1da177e4 601
1da177e4 602 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 603 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 604 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
605
737faece 606 pci_disable_rom(ha->pdev);
1da177e4
LT		 607
608 /* Get PCI bus information. */
609 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 610 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 611 spin_unlock_irqrestore(&ha->hardware_lock, flags);
612
abbd8870
AV		 613 return QLA_SUCCESS;
614}
1da177e4 615
abbd8870
AV		 616/**
617 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
618 * @ha: HA context
619 *
620 * Returns 0 on success.
621 */
622int
e315cd28 623qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 624{
a157b101 625 uint16_t w;
abbd8870
AV		 626 unsigned long flags = 0;
627 uint32_t cnt;
e315cd28 628 struct qla_hw_data *ha = vha->hw;
3d71644c 629 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 630
abbd8870 631 pci_set_master(ha->pdev);
af6177d8 632 pci_try_set_mwi(ha->pdev);
1da177e4 633
abbd8870 634 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 635 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 636
abbd8870
AV		 637 if (IS_QLA2322(ha) || IS_QLA6322(ha))
638 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 639 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 640
abbd8870
AV		 641 /*
642 * If this is a 2300 card and not 2312, reset the
643 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
644 * the 2310 also reports itself as a 2300 so we need to get the
645 * fb revision level -- a 6 indicates it really is a 2300 and
646 * not a 2310.
647 */
648 if (IS_QLA2300(ha)) {
649 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 650
abbd8870 651 /* Pause RISC. */
3d71644c 652 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 653 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 654 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 655 break;
1da177e4 656
abbd8870
AV		 657 udelay(10);
658 }
1da177e4 659
abbd8870 660 /* Select FPM registers. */
3d71644c
AV		 661 WRT_REG_WORD(&reg->ctrl_status, 0x20);
662 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 663
664 /* Get the fb rev level */
3d71644c 665 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 666
667 if (ha->fb_rev == FPM_2300)
a157b101 668 pci_clear_mwi(ha->pdev);
abbd8870
AV		 669
670 /* Deselect FPM registers. */
3d71644c
AV		 671 WRT_REG_WORD(&reg->ctrl_status, 0x0);
672 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 673
674 /* Release RISC module. */
3d71644c 675 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 676 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 677 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 678 break;
679
680 udelay(10);
1da177e4 681 }
1da177e4 682
abbd8870
AV		 683 spin_unlock_irqrestore(&ha->hardware_lock, flags);
684 }
1da177e4 685
abbd8870
AV		 686 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
687
737faece 688 pci_disable_rom(ha->pdev);
1da177e4 689
abbd8870
AV		 690 /* Get PCI bus information. */
691 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 692 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 693 spin_unlock_irqrestore(&ha->hardware_lock, flags);
694
695 return QLA_SUCCESS;
1da177e4
LT		 696}
697
0107109e
AV		 698/**
699 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
700 * @ha: HA context
701 *
702 * Returns 0 on success.
703 */
704int
e315cd28 705qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 706{
a157b101 707 uint16_t w;
0107109e 708 unsigned long flags = 0;
e315cd28 709 struct qla_hw_data *ha = vha->hw;
0107109e 710 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 711
712 pci_set_master(ha->pdev);
af6177d8 713 pci_try_set_mwi(ha->pdev);
0107109e
AV		 714
715 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 716 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 717 w &= ~PCI_COMMAND_INTX_DISABLE;
718 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
719
720 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
721
722 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 723 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
724 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 725
726 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 727 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
728 pcie_set_readrq(ha->pdev, 2048);
0107109e 729
737faece 730 pci_disable_rom(ha->pdev);
0107109e 731
44c10138 732 ha->chip_revision = ha->pdev->revision;
a8488abe 733
0107109e
AV		 734 /* Get PCI bus information. */
735 spin_lock_irqsave(&ha->hardware_lock, flags);
736 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
737 spin_unlock_irqrestore(&ha->hardware_lock, flags);
738
739 return QLA_SUCCESS;
740}
741
c3a2f0df
AV		 742/**
743 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
744 * @ha: HA context
745 *
746 * Returns 0 on success.
747 */
748int
e315cd28 749qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 750{
751 uint16_t w;
e315cd28 752 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 753
754 pci_set_master(ha->pdev);
755 pci_try_set_mwi(ha->pdev);
756
757 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
758 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
759 w &= ~PCI_COMMAND_INTX_DISABLE;
760 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
761
762 /* PCIe -- adjust Maximum Read Request Size (2048). */
763 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
764 pcie_set_readrq(ha->pdev, 2048);
765
737faece 766 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 767
768 ha->chip_revision = ha->pdev->revision;
769
770 return QLA_SUCCESS;
771}
772
1da177e4
LT		 773/**
774 * qla2x00_isp_firmware() - Choose firmware image.
775 * @ha: HA context
776 *
777 * Returns 0 on success.
778 */
779static int
e315cd28 780qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 781{
782 int rval;
42e421b1
AV		 783 uint16_t loop_id, topo, sw_cap;
784 uint8_t domain, area, al_pa;
e315cd28 785 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 786
787 /* Assume loading risc code */
fa2a1ce5 788 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 789
790 if (ha->flags.disable_risc_code_load) {
791 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 792 vha->host_no));
1da177e4
LT		 793 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
794
795 /* Verify checksum of loaded RISC code. */
e315cd28 796 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 797 if (rval == QLA_SUCCESS) {
798 /* And, verify we are not in ROM code. */
e315cd28 799 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 800 &area, &domain, &topo, &sw_cap);
801 }
1da177e4
LT		 802 }
803
804 if (rval) {
805 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 806 vha->host_no));
1da177e4
LT		 807 }
808
809 return (rval);
810}
811
812/**
813 * qla2x00_reset_chip() - Reset ISP chip.
814 * @ha: HA context
815 *
816 * Returns 0 on success.
817 */
abbd8870 818void
e315cd28 819qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 820{
821 unsigned long flags = 0;
e315cd28 822 struct qla_hw_data *ha = vha->hw;
3d71644c 823 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 824 uint32_t cnt;
1da177e4
LT		 825 uint16_t cmd;
826
85880801
AV		 827 if (unlikely(pci_channel_offline(ha->pdev)))
828 return;
829
fd34f556 830 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 831
832 spin_lock_irqsave(&ha->hardware_lock, flags);
833
834 /* Turn off master enable */
835 cmd = 0;
836 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
837 cmd &= ~PCI_COMMAND_MASTER;
838 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
839
840 if (!IS_QLA2100(ha)) {
841 /* Pause RISC. */
842 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
843 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
844 for (cnt = 0; cnt < 30000; cnt++) {
845 if ((RD_REG_WORD(&reg->hccr) &
846 HCCR_RISC_PAUSE) != 0)
847 break;
848 udelay(100);
849 }
850 } else {
851 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
852 udelay(10);
853 }
854
855 /* Select FPM registers. */
856 WRT_REG_WORD(&reg->ctrl_status, 0x20);
857 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
858
859 /* FPM Soft Reset. */
860 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
861 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
862
863 /* Toggle Fpm Reset. */
864 if (!IS_QLA2200(ha)) {
865 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
866 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
867 }
868
869 /* Select frame buffer registers. */
870 WRT_REG_WORD(&reg->ctrl_status, 0x10);
871 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
872
873 /* Reset frame buffer FIFOs. */
874 if (IS_QLA2200(ha)) {
875 WRT_FB_CMD_REG(ha, reg, 0xa000);
876 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
877 } else {
878 WRT_FB_CMD_REG(ha, reg, 0x00fc);
879
880 /* Read back fb_cmd until zero or 3 seconds max */
881 for (cnt = 0; cnt < 3000; cnt++) {
882 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
883 break;
884 udelay(100);
885 }
886 }
887
888 /* Select RISC module registers. */
889 WRT_REG_WORD(&reg->ctrl_status, 0);
890 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
891
892 /* Reset RISC processor. */
893 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
894 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
895
896 /* Release RISC processor. */
897 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
898 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
899 }
900
901 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
902 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
903
904 /* Reset ISP chip. */
905 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
906
907 /* Wait for RISC to recover from reset. */
908 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
909 /*
910 * It is necessary to for a delay here since the card doesn't
911 * respond to PCI reads during a reset. On some architectures
912 * this will result in an MCA.
913 */
914 udelay(20);
915 for (cnt = 30000; cnt; cnt--) {
916 if ((RD_REG_WORD(&reg->ctrl_status) &
917 CSR_ISP_SOFT_RESET) == 0)
918 break;
919 udelay(100);
920 }
921 } else
922 udelay(10);
923
924 /* Reset RISC processor. */
925 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
926
927 WRT_REG_WORD(&reg->semaphore, 0);
928
929 /* Release RISC processor. */
930 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
931 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
932
933 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
934 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 935 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 936 break;
1da177e4
LT		 937
938 udelay(100);
939 }
940 } else
941 udelay(100);
942
943 /* Turn on master enable */
944 cmd |= PCI_COMMAND_MASTER;
945 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
946
947 /* Disable RISC pause on FPM parity error. */
948 if (!IS_QLA2100(ha)) {
949 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
950 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
951 }
952
953 spin_unlock_irqrestore(&ha->hardware_lock, flags);
954}
955
b1d46989
MI		 956/**
957 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
958 *
959 * Returns 0 on success.
960 */
961int
962qla81xx_reset_mpi(scsi_qla_host_t *vha)
963{
964 uint16_t mb[4] = {0x1010, 0, 1, 0};
965
966 return qla81xx_write_mpi_register(vha, mb);
967}
968
0107109e 969/**
88c26663 970 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 971 * @ha: HA context
972 *
973 * Returns 0 on success.
974 */
88c26663 975static inline void
e315cd28 976qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e
AV		 977{
978 unsigned long flags = 0;
e315cd28 979 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 980 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
981 uint32_t cnt, d2;
335a1cc9 982 uint16_t wd;
b1d46989 983 static int abts_cnt; /* ISP abort retry counts */
0107109e 984
0107109e
AV		 985 spin_lock_irqsave(&ha->hardware_lock, flags);
986
987 /* Reset RISC. */
988 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
989 for (cnt = 0; cnt < 30000; cnt++) {
990 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
991 break;
992
993 udelay(10);
994 }
995
996 WRT_REG_DWORD(&reg->ctrl_status,
997 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 998 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 999
335a1cc9 1000 udelay(100);
88c26663 1001 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 1002 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1003 for (cnt = 10000 ; cnt && d2; cnt--) {
1004 udelay(5);
1005 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1006 barrier();
1007 }
1008
335a1cc9 1009 /* Wait for soft-reset to complete. */
0107109e
AV		 1010 d2 = RD_REG_DWORD(&reg->ctrl_status);
1011 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1012 udelay(5);
1013 d2 = RD_REG_DWORD(&reg->ctrl_status);
1014 barrier();
1015 }
1016
b1d46989
MI		 1017 /* If required, do an MPI FW reset now */
1018 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1019 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1020 if (++abts_cnt < 5) {
1021 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1022 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1023 } else {
1024 /*
1025 * We exhausted the ISP abort retries. We have to
1026 * set the board offline.
1027 */
1028 abts_cnt = 0;
1029 vha->flags.online = 0;
1030 }
1031 }
1032 }
1033
0107109e
AV		 1034 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1035 RD_REG_DWORD(&reg->hccr);
1036
1037 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1038 RD_REG_DWORD(&reg->hccr);
1039
1040 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1041 RD_REG_DWORD(&reg->hccr);
1042
1043 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1044 for (cnt = 6000000 ; cnt && d2; cnt--) {
1045 udelay(5);
1046 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1047 barrier();
1048 }
1049
1050 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 1051
1052 if (IS_NOPOLLING_TYPE(ha))
1053 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 1054}
1055
88c26663
AV		 1056/**
1057 * qla24xx_reset_chip() - Reset ISP24xx chip.
1058 * @ha: HA context
1059 *
1060 * Returns 0 on success.
1061 */
1062void
e315cd28 1063qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 1064{
e315cd28 1065 struct qla_hw_data *ha = vha->hw;
85880801
AV		 1066
1067 if (pci_channel_offline(ha->pdev) &&
1068 ha->flags.pci_channel_io_perm_failure) {
1069 return;
1070 }
1071
fd34f556 1072 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 1073
1074 /* Perform RISC reset. */
e315cd28 1075 qla24xx_reset_risc(vha);
88c26663
AV		 1076}
1077
1da177e4
LT		 1078/**
1079 * qla2x00_chip_diag() - Test chip for proper operation.
1080 * @ha: HA context
1081 *
1082 * Returns 0 on success.
1083 */
abbd8870 1084int
e315cd28 1085qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 1086{
1087 int rval;
e315cd28 1088 struct qla_hw_data *ha = vha->hw;
3d71644c 1089 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1090 unsigned long flags = 0;
1091 uint16_t data;
1092 uint32_t cnt;
1093 uint16_t mb[5];
73208dfd 1094 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 1095
1096 /* Assume a failed state */
1097 rval = QLA_FUNCTION_FAILED;
1098
1099 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 1100 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 1101
1102 spin_lock_irqsave(&ha->hardware_lock, flags);
1103
1104 /* Reset ISP chip. */
1105 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1106
1107 /*
1108 * We need to have a delay here since the card will not respond while
1109 * in reset causing an MCA on some architectures.
1110 */
1111 udelay(20);
1112 data = qla2x00_debounce_register(&reg->ctrl_status);
1113 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1114 udelay(5);
1115 data = RD_REG_WORD(&reg->ctrl_status);
1116 barrier();
1117 }
1118
1119 if (!cnt)
1120 goto chip_diag_failed;
1121
1122 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
7640335e 1123 vha->host_no));
1da177e4
LT		 1124
1125 /* Reset RISC processor. */
1126 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1127 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1128
1129 /* Workaround for QLA2312 PCI parity error */
1130 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1131 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1132 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1133 udelay(5);
1134 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 1135 barrier();
1da177e4
LT		 1136 }
1137 } else
1138 udelay(10);
1139
1140 if (!cnt)
1141 goto chip_diag_failed;
1142
1143 /* Check product ID of chip */
7640335e 1144 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1da177e4
LT		 1145
1146 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1147 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1148 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1149 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1150 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1151 mb[3] != PROD_ID_3) {
1152 qla_printk(KERN_WARNING, ha,
1153 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1154
1155 goto chip_diag_failed;
1156 }
1157 ha->product_id[0] = mb[1];
1158 ha->product_id[1] = mb[2];
1159 ha->product_id[2] = mb[3];
1160 ha->product_id[3] = mb[4];
1161
1162 /* Adjust fw RISC transfer size */
73208dfd 1163 if (req->length > 1024)
1da177e4
LT		 1164 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1165 else
1166 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 1167 req->length;
1da177e4
LT		 1168
1169 if (IS_QLA2200(ha) &&
1170 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1171 /* Limit firmware transfer size with a 2200A */
1172 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 1173 vha->host_no));
1da177e4 1174
ea5b6382 1175 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 1176 ha->fw_transfer_size = 128;
1177 }
1178
1179 /* Wrap Incoming Mailboxes Test. */
1180 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1181
e315cd28
AC		 1182 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1183 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 1184 if (rval) {
1185 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1186 vha->host_no));
1da177e4
LT		 1187 qla_printk(KERN_WARNING, ha,
1188 "Failed mailbox send register test\n");
1189 }
1190 else {
1191 /* Flag a successful rval */
1192 rval = QLA_SUCCESS;
1193 }
1194 spin_lock_irqsave(&ha->hardware_lock, flags);
1195
1196chip_diag_failed:
1197 if (rval)
1198 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 1199 "****\n", vha->host_no));
1da177e4
LT		 1200
1201 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1202
1203 return (rval);
1204}
1205
0107109e
AV		 1206/**
1207 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1208 * @ha: HA context
1209 *
1210 * Returns 0 on success.
1211 */
1212int
e315cd28 1213qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 1214{
1215 int rval;
e315cd28 1216 struct qla_hw_data *ha = vha->hw;
73208dfd 1217 struct req_que *req = ha->req_q_map[0];
0107109e 1218
a9083016
GM		 1219 if (IS_QLA82XX(ha))
1220 return QLA_SUCCESS;
1221
73208dfd 1222 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 1223
e315cd28 1224 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 1225 if (rval) {
1226 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1227 vha->host_no));
0107109e
AV		 1228 qla_printk(KERN_WARNING, ha,
1229 "Failed mailbox send register test\n");
1230 } else {
1231 /* Flag a successful rval */
1232 rval = QLA_SUCCESS;
1233 }
1234
1235 return rval;
1236}
1237
a7a167bf 1238void
e315cd28 1239qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 1240{
a7a167bf
AV		 1241 int rval;
1242 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 1243 eft_size, fce_size, mq_size;
df613b96
AV		 1244 dma_addr_t tc_dma;
1245 void *tc;
e315cd28 1246 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1247 struct req_que *req = ha->req_q_map[0];
1248 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 1249
1250 if (ha->fw_dump) {
1251 qla_printk(KERN_WARNING, ha,
1252 "Firmware dump previously allocated.\n");
1253 return;
1254 }
d4e3e04d 1255
0107109e 1256 ha->fw_dumped = 0;
73208dfd 1257 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 1258 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 1259 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 1260 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 1261 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1262 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1263 sizeof(uint16_t);
e428924c 1264 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 1265 if (IS_QLA81XX(ha))
1266 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1267 else if (IS_QLA25XX(ha))
1268 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1269 else
1270 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 1271 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1272 sizeof(uint32_t);
73208dfd
AC		 1273 if (ha->mqenable)
1274 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 1275 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 1276 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 1277 goto try_eft;
df613b96
AV		 1278
1279 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1280 GFP_KERNEL);
1281 if (!tc) {
1282 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1283 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 1284 goto try_eft;
df613b96
AV		 1285 }
1286
1287 memset(tc, 0, FCE_SIZE);
e315cd28 1288 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 1289 ha->fce_mb, &ha->fce_bufs);
1290 if (rval) {
1291 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1292 "FCE (%d).\n", rval);
1293 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1294 tc_dma);
1295 ha->flags.fce_enabled = 0;
17d98630 1296 goto try_eft;
df613b96
AV		 1297 }
1298
1299 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1300 FCE_SIZE / 1024);
1301
7d9dade3 1302 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 1303 ha->flags.fce_enabled = 1;
1304 ha->fce_dma = tc_dma;
1305 ha->fce = tc;
436a7b11
AV		 1306try_eft:
1307 /* Allocate memory for Extended Trace Buffer. */
1308 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1309 GFP_KERNEL);
1310 if (!tc) {
1311 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1312 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1313 goto cont_alloc;
1314 }
1315
1316 memset(tc, 0, EFT_SIZE);
e315cd28 1317 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 1318 if (rval) {
1319 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1320 "EFT (%d).\n", rval);
1321 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1322 tc_dma);
1323 goto cont_alloc;
1324 }
1325
1326 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1327 EFT_SIZE / 1024);
1328
1329 eft_size = EFT_SIZE;
1330 ha->eft_dma = tc_dma;
1331 ha->eft = tc;
d4e3e04d 1332 }
a7a167bf 1333cont_alloc:
73208dfd
AC		 1334 req_q_size = req->length * sizeof(request_t);
1335 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 1336
1337 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 1338 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 1339 ha->chain_offset = dump_size;
1340 dump_size += mq_size + fce_size;
d4e3e04d
AV		 1341
1342 ha->fw_dump = vmalloc(dump_size);
a7a167bf 1343 if (!ha->fw_dump) {
0107109e 1344 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 1345 "firmware dump!!!\n", dump_size / 1024);
a7a167bf 1346
e30d1756
MI		 1347 if (ha->fce) {
1348 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1349 ha->fce_dma);
1350 ha->fce = NULL;
1351 ha->fce_dma = 0;
1352 }
1353
a7a167bf
AV		 1354 if (ha->eft) {
1355 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1356 ha->eft_dma);
1357 ha->eft = NULL;
1358 ha->eft_dma = 0;
1359 }
1360 return;
1361 }
a7a167bf
AV		 1362 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1363 dump_size / 1024);
1364
1365 ha->fw_dump_len = dump_size;
1366 ha->fw_dump->signature[0] = 'Q';
1367 ha->fw_dump->signature[1] = 'L';
1368 ha->fw_dump->signature[2] = 'G';
1369 ha->fw_dump->signature[3] = 'C';
1370 ha->fw_dump->version = __constant_htonl(1);
1371
1372 ha->fw_dump->fixed_size = htonl(fixed_size);
1373 ha->fw_dump->mem_size = htonl(mem_size);
1374 ha->fw_dump->req_q_size = htonl(req_q_size);
1375 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1376
1377 ha->fw_dump->eft_size = htonl(eft_size);
1378 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1379 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1380
1381 ha->fw_dump->header_size =
1382 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 1383}
1384
18e7555a
AV		 1385static int
1386qla81xx_mpi_sync(scsi_qla_host_t *vha)
1387{
1388#define MPS_MASK 0xe0
1389 int rval;
1390 uint16_t dc;
1391 uint32_t dw;
1392 struct qla_hw_data *ha = vha->hw;
1393
1394 if (!IS_QLA81XX(vha->hw))
1395 return QLA_SUCCESS;
1396
1397 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1398 if (rval != QLA_SUCCESS) {
1399 DEBUG2(qla_printk(KERN_WARNING, ha,
1400 "Sync-MPI: Unable to acquire semaphore.\n"));
1401 goto done;
1402 }
1403
1404 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1405 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1406 if (rval != QLA_SUCCESS) {
1407 DEBUG2(qla_printk(KERN_WARNING, ha,
1408 "Sync-MPI: Unable to read sync.\n"));
1409 goto done_release;
1410 }
1411
1412 dc &= MPS_MASK;
1413 if (dc == (dw & MPS_MASK))
1414 goto done_release;
1415
1416 dw &= ~MPS_MASK;
1417 dw |= dc;
1418 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1419 if (rval != QLA_SUCCESS) {
1420 DEBUG2(qla_printk(KERN_WARNING, ha,
1421 "Sync-MPI: Unable to gain sync.\n"));
1422 }
1423
1424done_release:
1425 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1426 if (rval != QLA_SUCCESS) {
1427 DEBUG2(qla_printk(KERN_WARNING, ha,
1428 "Sync-MPI: Unable to release semaphore.\n"));
1429 }
1430
1431done:
1432 return rval;
1433}
1434
1da177e4
LT		 1435/**
1436 * qla2x00_setup_chip() - Load and start RISC firmware.
1437 * @ha: HA context
1438 *
1439 * Returns 0 on success.
1440 */
1441static int
e315cd28 1442qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 1443{
0107109e
AV		 1444 int rval;
1445 uint32_t srisc_address = 0;
e315cd28 1446 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 1447 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1448 unsigned long flags;
dda772e8 1449 uint16_t fw_major_version;
3db0652e 1450
a9083016
GM		 1451 if (IS_QLA82XX(ha)) {
1452 rval = ha->isp_ops->load_risc(vha, &srisc_address);
14e303d9
AV		 1453 if (rval == QLA_SUCCESS) {
1454 qla2x00_stop_firmware(vha);
a9083016 1455 goto enable_82xx_npiv;
14e303d9 1456 } else
b963752f 1457 goto failed;
a9083016
GM		 1458 }
1459
3db0652e
AV		 1460 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1461 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1462 spin_lock_irqsave(&ha->hardware_lock, flags);
1463 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1464 RD_REG_WORD(&reg->hccr);
1465 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1466 }
1da177e4 1467
18e7555a
AV		 1468 qla81xx_mpi_sync(vha);
1469
1da177e4 1470 /* Load firmware sequences */
e315cd28 1471 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 1472 if (rval == QLA_SUCCESS) {
1da177e4 1473 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 1474 "code.\n", vha->host_no));
1da177e4 1475
e315cd28 1476 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 1477 if (rval == QLA_SUCCESS) {
1478 /* Start firmware execution. */
1479 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 1480 "firmware.\n", vha->host_no));
1da177e4 1481
e315cd28 1482 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 1483 /* Retrieve firmware information. */
dda772e8 1484 if (rval == QLA_SUCCESS) {
a9083016 1485enable_82xx_npiv:
dda772e8 1486 fw_major_version = ha->fw_major_version;
ca9e9c3e 1487 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 1488 &ha->fw_major_version,
1489 &ha->fw_minor_version,
1490 &ha->fw_subminor_version,
3a03eb79 1491 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 1492 ha->mpi_version, &ha->mpi_capabilities,
1493 ha->phy_version);
ca9e9c3e
AV		 1494 if (rval != QLA_SUCCESS)
1495 goto failed;
2c3dfe3f 1496 ha->flags.npiv_supported = 0;
e315cd28 1497 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 1498 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 1499 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 1500 if ((!ha->max_npiv_vports) ||
1501 ((ha->max_npiv_vports + 1) %
eb66dc60 1502 MIN_MULTI_ID_FABRIC))
4d0ea247 1503 ha->max_npiv_vports =
eb66dc60 1504 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 1505 }
24a08138
AV		 1506 qla2x00_get_resource_cnts(vha, NULL,
1507 &ha->fw_xcb_count, NULL, NULL,
f3a0a77e 1508 &ha->max_npiv_vports, NULL);
d743de66 1509
a9083016
GM		 1510 if (!fw_major_version && ql2xallocfwdump) {
1511 if (!IS_QLA82XX(ha))
1512 qla2x00_alloc_fw_dump(vha);
1513 }
1da177e4
LT		 1514 }
1515 } else {
1516 DEBUG2(printk(KERN_INFO
1517 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 1518 vha->host_no));
1da177e4
LT		 1519 }
1520 }
1521
3db0652e
AV		 1522 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1523 /* Enable proper parity. */
1524 spin_lock_irqsave(&ha->hardware_lock, flags);
1525 if (IS_QLA2300(ha))
1526 /* SRAM parity */
1527 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1528 else
1529 /* SRAM, Instruction RAM and GP RAM parity */
1530 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1531 RD_REG_WORD(&reg->hccr);
1532 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1533 }
1534
1d2874de
JC		 1535 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1536 uint32_t size;
1537
1538 rval = qla81xx_fac_get_sector_size(vha, &size);
1539 if (rval == QLA_SUCCESS) {
1540 ha->flags.fac_supported = 1;
1541 ha->fdt_block_size = size << 2;
1542 } else {
1543 qla_printk(KERN_ERR, ha,
1544 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1545 ha->fw_major_version, ha->fw_minor_version,
1546 ha->fw_subminor_version);
1547 }
1548 }
ca9e9c3e 1549failed:
1da177e4
LT		 1550 if (rval) {
1551 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 1552 vha->host_no));
1da177e4
LT		 1553 }
1554
1555 return (rval);
1556}
1557
1558/**
1559 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1560 * @ha: HA context
1561 *
1562 * Beginning of request ring has initialization control block already built
1563 * by nvram config routine.
1564 *
1565 * Returns 0 on success.
1566 */
73208dfd
AC		 1567void
1568qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1569{
1570 uint16_t cnt;
1571 response_t *pkt;
1572
2afa19a9
AC		 1573 rsp->ring_ptr = rsp->ring;
1574 rsp->ring_index = 0;
1575 rsp->status_srb = NULL;
e315cd28
AC		 1576 pkt = rsp->ring_ptr;
1577 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1578 pkt->signature = RESPONSE_PROCESSED;
1579 pkt++;
1580 }
1da177e4
LT		 1581}
1582
1583/**
1584 * qla2x00_update_fw_options() - Read and process firmware options.
1585 * @ha: HA context
1586 *
1587 * Returns 0 on success.
1588 */
abbd8870 1589void
e315cd28 1590qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1591{
1592 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1593 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1594
1595 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1596 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1597
1598 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1599 return;
1600
1601 /* Serial Link options. */
1602 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1603 vha->host_no));
1da177e4
LT		 1604 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1605 sizeof(ha->fw_seriallink_options)));
1606
1607 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1608 if (ha->fw_seriallink_options[3] & BIT_2) {
1609 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1610
1611 /* 1G settings */
1612 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1613 emphasis = (ha->fw_seriallink_options[2] &
1614 (BIT_4 | BIT_3)) >> 3;
1615 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1616 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1617 rx_sens = (ha->fw_seriallink_options[0] &
1618 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1619 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1620 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1621 if (rx_sens == 0x0)
1622 rx_sens = 0x3;
1623 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1624 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1625 ha->fw_options[10] |= BIT_5 |
1626 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1627 (tx_sens & (BIT_1 | BIT_0));
1628
1629 /* 2G settings */
1630 swing = (ha->fw_seriallink_options[2] &
1631 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1632 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1633 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1634 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1635 rx_sens = (ha->fw_seriallink_options[1] &
1636 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1637 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1638 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1639 if (rx_sens == 0x0)
1640 rx_sens = 0x3;
1641 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1642 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1643 ha->fw_options[11] |= BIT_5 |
1644 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1645 (tx_sens & (BIT_1 | BIT_0));
1646 }
1647
1648 /* FCP2 options. */
1649 /* Return command IOCBs without waiting for an ABTS to complete. */
1650 ha->fw_options[3] |= BIT_13;
1651
1652 /* LED scheme. */
1653 if (ha->flags.enable_led_scheme)
1654 ha->fw_options[2] |= BIT_12;
1655
48c02fde 1656 /* Detect ISP6312. */
1657 if (IS_QLA6312(ha))
1658 ha->fw_options[2] |= BIT_13;
1659
1da177e4 1660 /* Update firmware options. */
e315cd28 1661 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1662}
1663
0107109e 1664void
e315cd28 1665qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1666{
1667 int rval;
e315cd28 1668 struct qla_hw_data *ha = vha->hw;
0107109e 1669
a9083016
GM		 1670 if (IS_QLA82XX(ha))
1671 return;
1672
0107109e 1673 /* Update Serial Link options. */
f94097ed 1674 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1675 return;
1676
e315cd28 1677 rval = qla2x00_set_serdes_params(vha,
f94097ed 1678 le16_to_cpu(ha->fw_seriallink_options24[1]),
1679 le16_to_cpu(ha->fw_seriallink_options24[2]),
1680 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1681 if (rval != QLA_SUCCESS) {
1682 qla_printk(KERN_WARNING, ha,
1683 "Unable to update Serial Link options (%x).\n", rval);
1684 }
1685}
1686
abbd8870 1687void
e315cd28 1688qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1689{
e315cd28 1690 struct qla_hw_data *ha = vha->hw;
3d71644c 1691 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1692 struct req_que *req = ha->req_q_map[0];
1693 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1694
1695 /* Setup ring parameters in initialization control block. */
1696 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1697 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1698 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1699 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1700 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1701 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1702 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1703 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1704
1705 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1706 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1707 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1708 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1709 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1710}
1711
0107109e 1712void
e315cd28 1713qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1714{
e315cd28 1715 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1716 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1717 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1718 struct qla_msix_entry *msix;
0107109e 1719 struct init_cb_24xx *icb;
73208dfd
AC		 1720 uint16_t rid = 0;
1721 struct req_que *req = ha->req_q_map[0];
1722 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1723
73208dfd 1724/* Setup ring parameters in initialization control block. */
0107109e
AV		 1725 icb = (struct init_cb_24xx *)ha->init_cb;
1726 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1727 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1728 icb->request_q_length = cpu_to_le16(req->length);
1729 icb->response_q_length = cpu_to_le16(rsp->length);
1730 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1731 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1732 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1733 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1734
73208dfd
AC		 1735 if (ha->mqenable) {
1736 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1737 icb->rid = __constant_cpu_to_le16(rid);
1738 if (ha->flags.msix_enabled) {
1739 msix = &ha->msix_entries[1];
1740 DEBUG2_17(printk(KERN_INFO
2afa19a9 1741 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1742 icb->msix = cpu_to_le16(msix->entry);
1743 }
1744 /* Use alternate PCI bus number */
1745 if (MSB(rid))
1746 icb->firmware_options_2 |=
1747 __constant_cpu_to_le32(BIT_19);
1748 /* Use alternate PCI devfn */
1749 if (LSB(rid))
1750 icb->firmware_options_2 |=
1751 __constant_cpu_to_le32(BIT_18);
1752
3155754a
AC		 1753 /* Use Disable MSIX Handshake mode for capable adapters */
1754 if (IS_MSIX_NACK_CAPABLE(ha)) {
1755 icb->firmware_options_2 &=
1756 __constant_cpu_to_le32(~BIT_22);
1757 ha->flags.disable_msix_handshake = 1;
1758 qla_printk(KERN_INFO, ha,
1759 "MSIX Handshake Disable Mode turned on\n");
1760 } else {
1761 icb->firmware_options_2 |=
1762 __constant_cpu_to_le32(BIT_22);
1763 }
73208dfd 1764 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1765
1766 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1767 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1768 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1769 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1770 } else {
1771 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1772 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1773 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1774 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1775 }
1776 /* PCI posting */
1777 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1778}
1779
1da177e4
LT		 1780/**
1781 * qla2x00_init_rings() - Initializes firmware.
1782 * @ha: HA context
1783 *
1784 * Beginning of request ring has initialization control block already built
1785 * by nvram config routine.
1786 *
1787 * Returns 0 on success.
1788 */
1789static int
e315cd28 1790qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1791{
1792 int rval;
1793 unsigned long flags = 0;
29bdccbe 1794 int cnt, que;
e315cd28 1795 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1796 struct req_que *req;
1797 struct rsp_que *rsp;
1798 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1799 struct mid_init_cb_24xx *mid_init_cb =
1800 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1801
1802 spin_lock_irqsave(&ha->hardware_lock, flags);
1803
1804 /* Clear outstanding commands array. */
2afa19a9 1805 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1806 req = ha->req_q_map[que];
1807 if (!req)
1808 continue;
2afa19a9 1809 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1810 req->outstanding_cmds[cnt] = NULL;
1da177e4 1811
2afa19a9 1812 req->current_outstanding_cmd = 1;
1da177e4 1813
29bdccbe
AC		 1814 /* Initialize firmware. */
1815 req->ring_ptr = req->ring;
1816 req->ring_index = 0;
1817 req->cnt = req->length;
1818 }
1da177e4 1819
2afa19a9 1820 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1821 rsp = ha->rsp_q_map[que];
1822 if (!rsp)
1823 continue;
29bdccbe
AC		 1824 /* Initialize response queue entries */
1825 qla2x00_init_response_q_entries(rsp);
1826 }
1da177e4 1827
542bce1f 1828 spin_lock(&ha->vport_slock);
29bdccbe
AC		 1829 /* Clear RSCN queue. */
1830 list_for_each_entry(vp, &ha->vp_list, list) {
1831 vp->rscn_in_ptr = 0;
1832 vp->rscn_out_ptr = 0;
1833 }
feafb7b1 1834
542bce1f 1835 spin_unlock(&ha->vport_slock);
feafb7b1 1836
e315cd28 1837 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1838
1839 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1840
1841 /* Update any ISP specific firmware options before initialization. */
e315cd28 1842 ha->isp_ops->update_fw_options(vha);
1da177e4 1843
e315cd28 1844 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1845
605aa2bc
LC		 1846 if (ha->flags.npiv_supported) {
1847 if (ha->operating_mode == LOOP)
1848 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1849 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1850 }
1851
24a08138
AV		 1852 if (IS_FWI2_CAPABLE(ha)) {
1853 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1854 mid_init_cb->init_cb.execution_throttle =
1855 cpu_to_le16(ha->fw_xcb_count);
1856 }
2c3dfe3f 1857
e315cd28 1858 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1859 if (rval) {
1860 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1861 vha->host_no));
1da177e4
LT		 1862 } else {
1863 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1864 vha->host_no));
1da177e4
LT		 1865 }
1866
1867 return (rval);
1868}
1869
1870/**
1871 * qla2x00_fw_ready() - Waits for firmware ready.
1872 * @ha: HA context
1873 *
1874 * Returns 0 on success.
1875 */
1876static int
e315cd28 1877qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1878{
1879 int rval;
4d4df193 1880 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1881 uint16_t min_wait; /* Minimum wait time if loop is down */
1882 uint16_t wait_time; /* Wait time if loop is coming ready */
656e8912 1883 uint16_t state[5];
e315cd28 1884 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1885
1886 rval = QLA_SUCCESS;
1887
1888 /* 20 seconds for loop down. */
fa2a1ce5 1889 min_wait = 20;
1da177e4
LT		 1890
1891 /*
1892 * Firmware should take at most one RATOV to login, plus 5 seconds for
1893 * our own processing.
1894 */
1895 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1896 wait_time = min_wait;
1897 }
1898
1899 /* Min wait time if loop down */
1900 mtime = jiffies + (min_wait * HZ);
1901
1902 /* wait time before firmware ready */
1903 wtime = jiffies + (wait_time * HZ);
1904
1905 /* Wait for ISP to finish LIP */
e315cd28 1906 if (!vha->flags.init_done)
1da177e4
LT		 1907 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1908
1909 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1910 vha->host_no));
1da177e4
LT		 1911
1912 do {
e315cd28 1913 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1914 if (rval == QLA_SUCCESS) {
4d4df193 1915 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1916 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1917 }
4d4df193
HK		 1918 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1919 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1920 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1921 state[2]));
1922 if ((state[2] & FSTATE_LOGGED_IN) &&
1923 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1924 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1925 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1926
1927 cs84xx_time = jiffies;
e315cd28 1928 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1929 if (rval != QLA_SUCCESS)
1930 break;
1931
1932 /* Add time taken to initialize. */
1933 cs84xx_time = jiffies - cs84xx_time;
1934 wtime += cs84xx_time;
1935 mtime += cs84xx_time;
1936 DEBUG16(printk("scsi(%ld): Increasing "
1937 "wait time by %ld. New time %ld\n",
e315cd28 1938 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1939 }
1940 } else if (state[0] == FSTATE_READY) {
1da177e4 1941 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1942 vha->host_no));
1da177e4 1943
e315cd28 1944 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1945 &ha->login_timeout, &ha->r_a_tov);
1946
1947 rval = QLA_SUCCESS;
1948 break;
1949 }
1950
1951 rval = QLA_FUNCTION_FAILED;
1952
e315cd28 1953 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1954 state[0] != FSTATE_READY) {
1da177e4 1955 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1956 * other than Wait for Login.
1957 */
1da177e4
LT		 1958 if (time_after_eq(jiffies, mtime)) {
1959 qla_printk(KERN_INFO, ha,
1960 "Cable is unplugged...\n");
1961
e315cd28 1962 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1963 break;
1964 }
1965 }
1966 } else {
1967 /* Mailbox cmd failed. Timeout on min_wait. */
cdbb0a4f
SV		 1968 if (time_after_eq(jiffies, mtime) ||
1969 (IS_QLA82XX(ha) && ha->flags.fw_hung))
1da177e4
LT		 1970 break;
1971 }
1972
1973 if (time_after_eq(jiffies, wtime))
1974 break;
1975
1976 /* Delay for a while */
1977 msleep(500);
1978
1979 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1980 vha->host_no, state[0], jiffies));
1da177e4
LT		 1981 } while (1);
1982
656e8912
AV		 1983 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1984 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1985 jiffies));
1da177e4
LT		 1986
1987 if (rval) {
1988 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1989 vha->host_no));
1da177e4
LT		 1990 }
1991
1992 return (rval);
1993}
1994
1995/*
1996* qla2x00_configure_hba
1997* Setup adapter context.
1998*
1999* Input:
2000* ha = adapter state pointer.
2001*
2002* Returns:
2003* 0 = success
2004*
2005* Context:
2006* Kernel context.
2007*/
2008static int
e315cd28 2009qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 2010{
2011 int rval;
2012 uint16_t loop_id;
2013 uint16_t topo;
2c3dfe3f 2014 uint16_t sw_cap;
1da177e4
LT		 2015 uint8_t al_pa;
2016 uint8_t area;
2017 uint8_t domain;
2018 char connect_type[22];
e315cd28 2019 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2020
2021 /* Get host addresses. */
e315cd28 2022 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 2023 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 2024 if (rval != QLA_SUCCESS) {
e315cd28 2025 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 2026 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2027 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 2028 __func__, vha->host_no));
33135aa2
RA		 2029 } else {
2030 qla_printk(KERN_WARNING, ha,
2031 "ERROR -- Unable to get host loop ID.\n");
e315cd28 2032 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 2033 }
1da177e4
LT		 2034 return (rval);
2035 }
2036
2037 if (topo == 4) {
2038 qla_printk(KERN_INFO, ha,
2039 "Cannot get topology - retrying.\n");
2040 return (QLA_FUNCTION_FAILED);
2041 }
2042
e315cd28 2043 vha->loop_id = loop_id;
1da177e4
LT		 2044
2045 /* initialize */
2046 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2047 ha->operating_mode = LOOP;
2c3dfe3f 2048 ha->switch_cap = 0;
1da177e4
LT		 2049
2050 switch (topo) {
2051 case 0:
2052 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 2053 vha->host_no));
1da177e4
LT		 2054 ha->current_topology = ISP_CFG_NL;
2055 strcpy(connect_type, "(Loop)");
2056 break;
2057
2058 case 1:
2059 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 2060 vha->host_no));
2c3dfe3f 2061 ha->switch_cap = sw_cap;
1da177e4
LT		 2062 ha->current_topology = ISP_CFG_FL;
2063 strcpy(connect_type, "(FL_Port)");
2064 break;
2065
2066 case 2:
2067 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 2068 vha->host_no));
1da177e4
LT		 2069 ha->operating_mode = P2P;
2070 ha->current_topology = ISP_CFG_N;
2071 strcpy(connect_type, "(N_Port-to-N_Port)");
2072 break;
2073
2074 case 3:
2075 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 2076 vha->host_no));
2c3dfe3f 2077 ha->switch_cap = sw_cap;
1da177e4
LT		 2078 ha->operating_mode = P2P;
2079 ha->current_topology = ISP_CFG_F;
2080 strcpy(connect_type, "(F_Port)");
2081 break;
2082
2083 default:
2084 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2085 "Using NL.\n",
e315cd28 2086 vha->host_no, topo));
1da177e4
LT		 2087 ha->current_topology = ISP_CFG_NL;
2088 strcpy(connect_type, "(Loop)");
2089 break;
2090 }
2091
2092 /* Save Host port and loop ID. */
2093 /* byte order - Big Endian */
e315cd28
AC		 2094 vha->d_id.b.domain = domain;
2095 vha->d_id.b.area = area;
2096 vha->d_id.b.al_pa = al_pa;
1da177e4 2097
e315cd28 2098 if (!vha->flags.init_done)
1da177e4
LT		 2099 qla_printk(KERN_INFO, ha,
2100 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 2101 connect_type, vha->loop_id);
1da177e4
LT		 2102
2103 if (rval) {
e315cd28 2104 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 2105 } else {
e315cd28 2106 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 2107 }
2108
2109 return(rval);
2110}
2111
a9083016 2112inline void
e315cd28
AC		 2113qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2114 char *def)
9bb9fcf2
AV		 2115{
2116 char *st, *en;
2117 uint16_t index;
e315cd28 2118 struct qla_hw_data *ha = vha->hw;
ab671149 2119 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
a9083016 2120 !IS_QLA8XXX_TYPE(ha);
9bb9fcf2
AV		 2121
2122 if (memcmp(model, BINZERO, len) != 0) {
2123 strncpy(ha->model_number, model, len);
2124 st = en = ha->model_number;
2125 en += len - 1;
2126 while (en > st) {
2127 if (*en != 0x20 && *en != 0x00)
2128 break;
2129 *en-- = '\0';
2130 }
2131
2132 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2133 if (use_tbl &&
2134 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 2135 index < QLA_MODEL_NAMES)
1ee27146
JC		 2136 strncpy(ha->model_desc,
2137 qla2x00_model_name[index * 2 + 1],
2138 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2139 } else {
2140 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2141 if (use_tbl &&
2142 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 2143 index < QLA_MODEL_NAMES) {
2144 strcpy(ha->model_number,
2145 qla2x00_model_name[index * 2]);
1ee27146
JC		 2146 strncpy(ha->model_desc,
2147 qla2x00_model_name[index * 2 + 1],
2148 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2149 } else {
2150 strcpy(ha->model_number, def);
2151 }
2152 }
1ee27146 2153 if (IS_FWI2_CAPABLE(ha))
e315cd28 2154 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 2155 sizeof(ha->model_desc));
9bb9fcf2
AV		 2156}
2157
4e08df3f
DM		 2158/* On sparc systems, obtain port and node WWN from firmware
2159 * properties.
2160 */
e315cd28 2161static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 2162{
2163#ifdef CONFIG_SPARC
e315cd28 2164 struct qla_hw_data *ha = vha->hw;
4e08df3f 2165 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 2166 struct device_node *dp = pci_device_to_OF_node(pdev);
2167 const u8 *val;
4e08df3f
DM		 2168 int len;
2169
2170 val = of_get_property(dp, "port-wwn", &len);
2171 if (val && len >= WWN_SIZE)
2172 memcpy(nv->port_name, val, WWN_SIZE);
2173
2174 val = of_get_property(dp, "node-wwn", &len);
2175 if (val && len >= WWN_SIZE)
2176 memcpy(nv->node_name, val, WWN_SIZE);
2177#endif
2178}
2179
1da177e4
LT		 2180/*
2181* NVRAM configuration for ISP 2xxx
2182*
2183* Input:
2184* ha = adapter block pointer.
2185*
2186* Output:
2187* initialization control block in response_ring
2188* host adapters parameters in host adapter block
2189*
2190* Returns:
2191* 0 = success.
2192*/
abbd8870 2193int
e315cd28 2194qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 2195{
4e08df3f 2196 int rval;
0107109e
AV		 2197 uint8_t chksum = 0;
2198 uint16_t cnt;
2199 uint8_t *dptr1, *dptr2;
e315cd28 2200 struct qla_hw_data *ha = vha->hw;
0107109e 2201 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 2202 nvram_t *nv = ha->nvram;
2203 uint8_t *ptr = ha->nvram;
3d71644c 2204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 2205
4e08df3f
DM		 2206 rval = QLA_SUCCESS;
2207
1da177e4 2208 /* Determine NVRAM starting address. */
0107109e 2209 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 2210 ha->nvram_base = 0;
2211 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2212 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2213 ha->nvram_base = 0x80;
2214
2215 /* Get NVRAM data and calculate checksum. */
e315cd28 2216 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 2217 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2218 chksum += *ptr++;
1da177e4 2219
e315cd28 2220 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 2221 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 2222
2223 /* Bad NVRAM data, set defaults parameters. */
2224 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2225 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2226 /* Reset NVRAM data. */
2227 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2228 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2229 nv->nvram_version);
4e08df3f
DM		 2230 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2231 "invalid -- WWPN) defaults.\n");
2232
2233 /*
2234 * Set default initialization control block.
2235 */
2236 memset(nv, 0, ha->nvram_size);
2237 nv->parameter_block_version = ICB_VERSION;
2238
2239 if (IS_QLA23XX(ha)) {
2240 nv->firmware_options[0] = BIT_2 | BIT_1;
2241 nv->firmware_options[1] = BIT_7 | BIT_5;
2242 nv->add_firmware_options[0] = BIT_5;
2243 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2244 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2245 nv->special_options[1] = BIT_7;
2246 } else if (IS_QLA2200(ha)) {
2247 nv->firmware_options[0] = BIT_2 | BIT_1;
2248 nv->firmware_options[1] = BIT_7 | BIT_5;
2249 nv->add_firmware_options[0] = BIT_5;
2250 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2251 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2252 } else if (IS_QLA2100(ha)) {
2253 nv->firmware_options[0] = BIT_3 | BIT_1;
2254 nv->firmware_options[1] = BIT_5;
2255 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2256 }
2257
2258 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2259 nv->execution_throttle = __constant_cpu_to_le16(16);
2260 nv->retry_count = 8;
2261 nv->retry_delay = 1;
2262
2263 nv->port_name[0] = 33;
2264 nv->port_name[3] = 224;
2265 nv->port_name[4] = 139;
2266
e315cd28 2267 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 2268
2269 nv->login_timeout = 4;
2270
2271 /*
2272 * Set default host adapter parameters
2273 */
2274 nv->host_p[1] = BIT_2;
2275 nv->reset_delay = 5;
2276 nv->port_down_retry_count = 8;
2277 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2278 nv->link_down_timeout = 60;
2279
2280 rval = 1;
1da177e4
LT		 2281 }
2282
2283#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2284 /*
2285 * The SN2 does not provide BIOS emulation which means you can't change
2286 * potentially bogus BIOS settings. Force the use of default settings
2287 * for link rate and frame size. Hope that the rest of the settings
2288 * are valid.
2289 */
2290 if (ia64_platform_is("sn2")) {
2291 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2292 if (IS_QLA23XX(ha))
2293 nv->special_options[1] = BIT_7;
2294 }
2295#endif
2296
2297 /* Reset Initialization control block */
0107109e 2298 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 2299
2300 /*
2301 * Setup driver NVRAM options.
2302 */
2303 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2304 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2305 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2306 nv->firmware_options[1] &= ~BIT_4;
2307
2308 if (IS_QLA23XX(ha)) {
2309 nv->firmware_options[0] |= BIT_2;
2310 nv->firmware_options[0] &= ~BIT_3;
5ff1d584 2311 nv->firmware_options[0] &= ~BIT_6;
0107109e 2312 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 2313
2314 if (IS_QLA2300(ha)) {
2315 if (ha->fb_rev == FPM_2310) {
2316 strcpy(ha->model_number, "QLA2310");
2317 } else {
2318 strcpy(ha->model_number, "QLA2300");
2319 }
2320 } else {
e315cd28 2321 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 2322 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 2323 }
2324 } else if (IS_QLA2200(ha)) {
2325 nv->firmware_options[0] |= BIT_2;
2326 /*
2327 * 'Point-to-point preferred, else loop' is not a safe
2328 * connection mode setting.
2329 */
2330 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2331 (BIT_5 | BIT_4)) {
2332 /* Force 'loop preferred, else point-to-point'. */
2333 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2334 nv->add_firmware_options[0] |= BIT_5;
2335 }
2336 strcpy(ha->model_number, "QLA22xx");
2337 } else /*if (IS_QLA2100(ha))*/ {
2338 strcpy(ha->model_number, "QLA2100");
2339 }
2340
2341 /*
2342 * Copy over NVRAM RISC parameter block to initialization control block.
2343 */
2344 dptr1 = (uint8_t *)icb;
2345 dptr2 = (uint8_t *)&nv->parameter_block_version;
2346 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2347 while (cnt--)
2348 *dptr1++ = *dptr2++;
2349
2350 /* Copy 2nd half. */
2351 dptr1 = (uint8_t *)icb->add_firmware_options;
2352 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2353 while (cnt--)
2354 *dptr1++ = *dptr2++;
2355
5341e868
AV		 2356 /* Use alternate WWN? */
2357 if (nv->host_p[1] & BIT_7) {
2358 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2359 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2360 }
2361
1da177e4
LT		 2362 /* Prepare nodename */
2363 if ((icb->firmware_options[1] & BIT_6) == 0) {
2364 /*
2365 * Firmware will apply the following mask if the nodename was
2366 * not provided.
2367 */
2368 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2369 icb->node_name[0] &= 0xF0;
2370 }
2371
2372 /*
2373 * Set host adapter parameters.
2374 */
0181944f 2375 if (nv->host_p[0] & BIT_7)
11010fec 2376 ql2xextended_error_logging = 1;
1da177e4
LT		 2377 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2378 /* Always load RISC code on non ISP2[12]00 chips. */
2379 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2380 ha->flags.disable_risc_code_load = 0;
2381 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2382 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2383 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 2384 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 2385 ha->flags.disable_serdes = 0;
1da177e4
LT		 2386
2387 ha->operating_mode =
2388 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2389
2390 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2391 sizeof(ha->fw_seriallink_options));
2392
2393 /* save HBA serial number */
2394 ha->serial0 = icb->port_name[5];
2395 ha->serial1 = icb->port_name[6];
2396 ha->serial2 = icb->port_name[7];
e315cd28
AC		 2397 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2398 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 2399
2400 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2401
2402 ha->retry_count = nv->retry_count;
2403
2404 /* Set minimum login_timeout to 4 seconds. */
5b91490e 2405 if (nv->login_timeout != ql2xlogintimeout)
1da177e4
LT		 2406 nv->login_timeout = ql2xlogintimeout;
2407 if (nv->login_timeout < 4)
2408 nv->login_timeout = 4;
2409 ha->login_timeout = nv->login_timeout;
2410 icb->login_timeout = nv->login_timeout;
2411
00a537b8
AV		 2412 /* Set minimum RATOV to 100 tenths of a second. */
2413 ha->r_a_tov = 100;
1da177e4 2414
1da177e4
LT		 2415 ha->loop_reset_delay = nv->reset_delay;
2416
1da177e4
LT		 2417 /* Link Down Timeout = 0:
2418 *
2419 * When Port Down timer expires we will start returning
2420 * I/O's to OS with "DID_NO_CONNECT".
2421 *
2422 * Link Down Timeout != 0:
2423 *
2424 * The driver waits for the link to come up after link down
2425 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 2426 */
1da177e4
LT		 2427 if (nv->link_down_timeout == 0) {
2428 ha->loop_down_abort_time =
354d6b21 2429 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 2430 } else {
2431 ha->link_down_timeout = nv->link_down_timeout;
2432 ha->loop_down_abort_time =
2433 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 2434 }
1da177e4 2435
1da177e4
LT		 2436 /*
2437 * Need enough time to try and get the port back.
2438 */
2439 ha->port_down_retry_count = nv->port_down_retry_count;
2440 if (qlport_down_retry)
2441 ha->port_down_retry_count = qlport_down_retry;
2442 /* Set login_retry_count */
2443 ha->login_retry_count = nv->retry_count;
2444 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2445 ha->port_down_retry_count > 3)
2446 ha->login_retry_count = ha->port_down_retry_count;
2447 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2448 ha->login_retry_count = ha->port_down_retry_count;
2449 if (ql2xloginretrycount)
2450 ha->login_retry_count = ql2xloginretrycount;
2451
1da177e4
LT		 2452 icb->lun_enables = __constant_cpu_to_le16(0);
2453 icb->command_resource_count = 0;
2454 icb->immediate_notify_resource_count = 0;
2455 icb->timeout = __constant_cpu_to_le16(0);
2456
2457 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2458 /* Enable RIO */
2459 icb->firmware_options[0] &= ~BIT_3;
2460 icb->add_firmware_options[0] &=
2461 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2462 icb->add_firmware_options[0] |= BIT_2;
2463 icb->response_accumulation_timer = 3;
2464 icb->interrupt_delay_timer = 5;
2465
e315cd28 2466 vha->flags.process_response_queue = 1;
1da177e4 2467 } else {
4fdfefe5 2468 /* Enable ZIO. */
e315cd28 2469 if (!vha->flags.init_done) {
4fdfefe5
AV		 2470 ha->zio_mode = icb->add_firmware_options[0] &
2471 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2472 ha->zio_timer = icb->interrupt_delay_timer ?
2473 icb->interrupt_delay_timer: 2;
2474 }
1da177e4
LT		 2475 icb->add_firmware_options[0] &=
2476 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 2477 vha->flags.process_response_queue = 0;
4fdfefe5 2478 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 2479 ha->zio_mode = QLA_ZIO_MODE_6;
2480
4fdfefe5 2481 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 2482 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 2483 ha->zio_timer * 100));
1da177e4 2484 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 2485 "ZIO mode %d enabled; timer delay (%d us).\n",
2486 ha->zio_mode, ha->zio_timer * 100);
1da177e4 2487
4fdfefe5
AV		 2488 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2489 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 2490 vha->flags.process_response_queue = 1;
1da177e4
LT		 2491 }
2492 }
2493
4e08df3f
DM		 2494 if (rval) {
2495 DEBUG2_3(printk(KERN_WARNING
e315cd28 2496 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 2497 }
2498 return (rval);
1da177e4
LT		 2499}
2500
19a7b4ae
JSEC		 2501static void
2502qla2x00_rport_del(void *data)
2503{
2504 fc_port_t *fcport = data;
d97994dc 2505 struct fc_rport *rport;
d97994dc 2506
e315cd28 2507 spin_lock_irq(fcport->vha->host->host_lock);
ac280b67 2508 rport = fcport->drport ? fcport->drport: fcport->rport;
d97994dc 2509 fcport->drport = NULL;
e315cd28 2510 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2511 if (rport)
2512 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 2513}
2514
1da177e4
LT		 2515/**
2516 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2517 * @ha: HA context
2518 * @flags: allocation flags
2519 *
2520 * Returns a pointer to the allocated fcport, or NULL, if none available.
2521 */
9a069e19 2522fc_port_t *
e315cd28 2523qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 2524{
2525 fc_port_t *fcport;
2526
bbfbbbc1
MK		 2527 fcport = kzalloc(sizeof(fc_port_t), flags);
2528 if (!fcport)
2529 return NULL;
1da177e4
LT		 2530
2531 /* Setup fcport template structure. */
e315cd28
AC		 2532 fcport->vha = vha;
2533 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 2534 fcport->port_type = FCT_UNKNOWN;
2535 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 2536 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 2537 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 2538
bbfbbbc1 2539 return fcport;
1da177e4
LT		 2540}
2541
2542/*
2543 * qla2x00_configure_loop
2544 * Updates Fibre Channel Device Database with what is actually on loop.
2545 *
2546 * Input:
2547 * ha = adapter block pointer.
2548 *
2549 * Returns:
2550 * 0 = success.
2551 * 1 = error.
2552 * 2 = database was full and device was not configured.
2553 */
2554static int
e315cd28 2555qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2556{
2557 int rval;
2558 unsigned long flags, save_flags;
e315cd28 2559 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2560 rval = QLA_SUCCESS;
2561
2562 /* Get Initiator ID */
e315cd28
AC		 2563 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2564 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 2565 if (rval != QLA_SUCCESS) {
2566 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 2567 vha->host_no));
1da177e4
LT		 2568 return (rval);
2569 }
2570 }
2571
e315cd28 2572 save_flags = flags = vha->dpc_flags;
1da177e4 2573 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 2574 vha->host_no, flags));
1da177e4
LT		 2575
2576 /*
2577 * If we have both an RSCN and PORT UPDATE pending then handle them
2578 * both at the same time.
2579 */
e315cd28
AC		 2580 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2581 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4 2582
3064ff39
MH		 2583 qla2x00_get_data_rate(vha);
2584
1da177e4
LT		 2585 /* Determine what we need to do */
2586 if (ha->current_topology == ISP_CFG_FL &&
2587 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2588
e315cd28 2589 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2590 set_bit(RSCN_UPDATE, &flags);
2591
2592 } else if (ha->current_topology == ISP_CFG_F &&
2593 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2594
e315cd28 2595 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2596 set_bit(RSCN_UPDATE, &flags);
2597 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2598
2599 } else if (ha->current_topology == ISP_CFG_N) {
2600 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2601
e315cd28 2602 } else if (!vha->flags.online ||
1da177e4
LT		 2603 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2604
e315cd28 2605 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2606 set_bit(RSCN_UPDATE, &flags);
2607 set_bit(LOCAL_LOOP_UPDATE, &flags);
2608 }
2609
2610 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2611 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2612 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2613 else
2614 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2615 }
2616
2617 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2618 if (LOOP_TRANSITION(vha))
1da177e4 2619 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2620 else
2621 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2622 }
2623
2624 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2625 if (atomic_read(&vha->loop_down_timer) ||
2626 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2627 rval = QLA_FUNCTION_FAILED;
2628 } else {
e315cd28 2629 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2630
e315cd28 2631 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2632 }
2633 }
2634
2635 if (rval) {
2636 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2637 __func__, vha->host_no));
1da177e4
LT		 2638 } else {
2639 DEBUG3(printk("%s: exiting normally\n", __func__));
2640 }
2641
cc3ef7bc 2642 /* Restore state if a resync event occurred during processing */
e315cd28 2643 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2644 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2645 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2646 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2647 set_bit(RSCN_UPDATE, &vha->dpc_flags);
3a6478df
GM		 2648 if (!IS_ALOGIO_CAPABLE(ha))
2649 vha->flags.rscn_queue_overflow = 1;
f4658b6c 2650 }
1da177e4
LT		 2651 }
2652
2653 return (rval);
2654}
2655
2656
2657
2658/*
2659 * qla2x00_configure_local_loop
2660 * Updates Fibre Channel Device Database with local loop devices.
2661 *
2662 * Input:
2663 * ha = adapter block pointer.
2664 *
2665 * Returns:
2666 * 0 = success.
2667 */
2668static int
e315cd28 2669qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2670{
2671 int rval, rval2;
2672 int found_devs;
2673 int found;
2674 fc_port_t *fcport, *new_fcport;
2675
2676 uint16_t index;
2677 uint16_t entries;
2678 char *id_iter;
2679 uint16_t loop_id;
2680 uint8_t domain, area, al_pa;
e315cd28 2681 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2682
2683 found_devs = 0;
2684 new_fcport = NULL;
2685 entries = MAX_FIBRE_DEVICES;
2686
e315cd28
AC		 2687 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2688 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2689
2690 /* Get list of logged in devices. */
2691 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2692 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2693 &entries);
2694 if (rval != QLA_SUCCESS)
2695 goto cleanup_allocation;
2696
2697 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2698 vha->host_no, entries));
1da177e4
LT		 2699 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2700 entries * sizeof(struct gid_list_info)));
2701
2702 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2703 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2704 if (new_fcport == NULL) {
2705 rval = QLA_MEMORY_ALLOC_FAILED;
2706 goto cleanup_allocation;
2707 }
2708 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2709
2710 /*
2711 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2712 */
e315cd28 2713 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2714 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2715 fcport->port_type != FCT_BROADCAST &&
2716 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2717
2718 DEBUG(printk("scsi(%ld): Marking port lost, "
2719 "loop_id=0x%04x\n",
e315cd28 2720 vha->host_no, fcport->loop_id));
1da177e4
LT		 2721
2722 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2723 }
2724 }
2725
2726 /* Add devices to port list. */
2727 id_iter = (char *)ha->gid_list;
2728 for (index = 0; index < entries; index++) {
2729 domain = ((struct gid_list_info *)id_iter)->domain;
2730 area = ((struct gid_list_info *)id_iter)->area;
2731 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2732 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2733 loop_id = (uint16_t)
2734 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2735 else
1da177e4
LT		 2736 loop_id = le16_to_cpu(
2737 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2738 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2739
2740 /* Bypass reserved domain fields. */
2741 if ((domain & 0xf0) == 0xf0)
2742 continue;
2743
2744 /* Bypass if not same domain and area of adapter. */
f7d289f6 2745 if (area && domain &&
e315cd28 2746 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2747 continue;
2748
2749 /* Bypass invalid local loop ID. */
2750 if (loop_id > LAST_LOCAL_LOOP_ID)
2751 continue;
2752
2753 /* Fill in member data. */
2754 new_fcport->d_id.b.domain = domain;
2755 new_fcport->d_id.b.area = area;
2756 new_fcport->d_id.b.al_pa = al_pa;
2757 new_fcport->loop_id = loop_id;
e315cd28
AC		 2758 new_fcport->vp_idx = vha->vp_idx;
2759 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2760 if (rval2 != QLA_SUCCESS) {
2761 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2762 "information -- get_port_database=%x, "
2763 "loop_id=0x%04x\n",
e315cd28 2764 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2765 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2766 vha->host_no));
2767 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2768 continue;
2769 }
2770
2771 /* Check for matching device in port list. */
2772 found = 0;
2773 fcport = NULL;
e315cd28 2774 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2775 if (memcmp(new_fcport->port_name, fcport->port_name,
2776 WWN_SIZE))
2777 continue;
2778
ddb9b126 2779 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2780 fcport->loop_id = new_fcport->loop_id;
2781 fcport->port_type = new_fcport->port_type;
2782 fcport->d_id.b24 = new_fcport->d_id.b24;
2783 memcpy(fcport->node_name, new_fcport->node_name,
2784 WWN_SIZE);
2785
2786 found++;
2787 break;
2788 }
2789
2790 if (!found) {
2791 /* New device, add to fcports list. */
e315cd28
AC		 2792 if (vha->vp_idx) {
2793 new_fcport->vha = vha;
2794 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2795 }
e315cd28 2796 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2797
2798 /* Allocate a new replacement fcport. */
2799 fcport = new_fcport;
e315cd28 2800 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2801 if (new_fcport == NULL) {
2802 rval = QLA_MEMORY_ALLOC_FAILED;
2803 goto cleanup_allocation;
2804 }
2805 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2806 }
2807
d8b45213 2808 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2809 fcport->fp_speed = ha->link_data_rate;
d8b45213 2810
e315cd28 2811 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2812
2813 found_devs++;
2814 }
2815
2816cleanup_allocation:
c9475cb0 2817 kfree(new_fcport);
1da177e4
LT		 2818
2819 if (rval != QLA_SUCCESS) {
2820 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2821 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2822 }
2823
1da177e4
LT		 2824 return (rval);
2825}
2826
d8b45213 2827static void
e315cd28 2828qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2829{
2830#define LS_UNKNOWN 2
9f8fddee
AV		 2831 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2832 char *link_speed;
d8b45213 2833 int rval;
1bb39548 2834 uint16_t mb[4];
e315cd28 2835 struct qla_hw_data *ha = vha->hw;
d8b45213 2836
c76f2c01 2837 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2838 return;
2839
c9afb9a2
GM		 2840 if (atomic_read(&fcport->state) != FCS_ONLINE)
2841 return;
2842
39bd9622
AV		 2843 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2844 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2845 return;
2846
e315cd28 2847 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2848 mb);
d8b45213
AV		 2849 if (rval != QLA_SUCCESS) {
2850 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2851 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2852 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2853 fcport->port_name[2], fcport->port_name[3],
2854 fcport->port_name[4], fcport->port_name[5],
2855 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2856 fcport->fp_speed, mb[0], mb[1]));
d8b45213 2857 } else {
9f8fddee
AV		 2858 link_speed = link_speeds[LS_UNKNOWN];
2859 if (fcport->fp_speed < 5)
2860 link_speed = link_speeds[fcport->fp_speed];
2861 else if (fcport->fp_speed == 0x13)
2862 link_speed = link_speeds[5];
d8b45213
AV		 2863 DEBUG2(qla_printk(KERN_INFO, ha,
2864 "iIDMA adjusted to %s GB/s on "
2865 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
9f8fddee 2866 link_speed, fcport->port_name[0],
d8b45213
AV		 2867 fcport->port_name[1], fcport->port_name[2],
2868 fcport->port_name[3], fcport->port_name[4],
2869 fcport->port_name[5], fcport->port_name[6],
2870 fcport->port_name[7]));
2871 }
2872}
2873
23be331d 2874static void
e315cd28 2875qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118 2876{
2877 struct fc_rport_identifiers rport_ids;
bdf79621 2878 struct fc_rport *rport;
e315cd28 2879 struct qla_hw_data *ha = vha->hw;
8482e118 2880
ac280b67 2881 qla2x00_rport_del(fcport);
8482e118 2882
f8b02a85
AV		 2883 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2884 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2885 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2886 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2887 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2888 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2889 if (!rport) {
2890 qla_printk(KERN_WARNING, ha,
2891 "Unable to allocate fc remote port!\n");
2892 return;
2893 }
e315cd28 2894 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2895 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2896 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2897
ad3e0eda 2898 rport->supported_classes = fcport->supported_classes;
77d74143 2899
8482e118 2900 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2901 if (fcport->port_type == FCT_INITIATOR)
2902 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2903 if (fcport->port_type == FCT_TARGET)
2904 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2905 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2906}
2907
23be331d
AB		 2908/*
2909 * qla2x00_update_fcport
2910 * Updates device on list.
2911 *
2912 * Input:
2913 * ha = adapter block pointer.
2914 * fcport = port structure pointer.
2915 *
2916 * Return:
2917 * 0 - Success
2918 * BIT_0 - error
2919 *
2920 * Context:
2921 * Kernel context.
2922 */
2923void
e315cd28 2924qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2925{
e315cd28 2926 fcport->vha = vha;
23be331d 2927 fcport->login_retry = 0;
5ff1d584 2928 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
23be331d 2929
e315cd28 2930 qla2x00_iidma_fcport(vha, fcport);
21090cbe 2931 qla24xx_update_fcport_fcp_prio(vha, fcport);
e315cd28 2932 qla2x00_reg_remote_port(vha, fcport);
38170fa8 2933 atomic_set(&fcport->state, FCS_ONLINE);
23be331d
AB		 2934}
2935
1da177e4
LT		 2936/*
2937 * qla2x00_configure_fabric
2938 * Setup SNS devices with loop ID's.
2939 *
2940 * Input:
2941 * ha = adapter block pointer.
2942 *
2943 * Returns:
2944 * 0 = success.
2945 * BIT_0 = error
2946 */
2947static int
e315cd28 2948qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2949{
2950 int rval, rval2;
2951 fc_port_t *fcport, *fcptemp;
2952 uint16_t next_loopid;
2953 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2954 uint16_t loop_id;
1da177e4 2955 LIST_HEAD(new_fcports);
e315cd28
AC		 2956 struct qla_hw_data *ha = vha->hw;
2957 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2958
2959 /* If FL port exists, then SNS is present */
e428924c 2960 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2961 loop_id = NPH_F_PORT;
2962 else
2963 loop_id = SNS_FL_PORT;
e315cd28 2964 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2965 if (rval != QLA_SUCCESS) {
2966 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2967 "Port\n", vha->host_no));
1da177e4 2968
e315cd28 2969 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2970 return (QLA_SUCCESS);
2971 }
e315cd28 2972 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2973
2974 /* Mark devices that need re-synchronization. */
e315cd28 2975 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2976 if (rval2 == QLA_RSCNS_HANDLED) {
2977 /* No point doing the scan, just continue. */
2978 return (QLA_SUCCESS);
2979 }
2980 do {
cca5335c
AV		 2981 /* FDMI support. */
2982 if (ql2xfdmienable &&
e315cd28
AC		 2983 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2984 qla2x00_fdmi_register(vha);
cca5335c 2985
1da177e4 2986 /* Ensure we are logged into the SNS. */
e428924c 2987 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2988 loop_id = NPH_SNS;
2989 else
2990 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2991 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2992 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2993 if (mb[0] != MBS_COMMAND_COMPLETE) {
2994 DEBUG2(qla_printk(KERN_INFO, ha,
2995 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2996 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2997 mb[0], mb[1], mb[2], mb[6], mb[7]));
2998 return (QLA_SUCCESS);
2999 }
3000
e315cd28
AC		 3001 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3002 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 3003 /* EMPTY */
3004 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3005 "TYPE failed.\n", vha->host_no));
1da177e4 3006 }
e315cd28 3007 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 3008 /* EMPTY */
3009 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3010 "Features failed.\n", vha->host_no));
1da177e4 3011 }
e315cd28 3012 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 3013 /* EMPTY */
3014 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 3015 "failed.\n", vha->host_no));
3016 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 3017 /* EMPTY */
3018 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 3019 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 3020 }
3021 }
3022
e315cd28 3023 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 3024 if (rval != QLA_SUCCESS)
3025 break;
3026
3027 /*
3028 * Logout all previous fabric devices marked lost, except
f08b7251 3029 * FCP2 devices.
1da177e4 3030 */
e315cd28
AC		 3031 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3032 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3033 break;
3034
3035 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3036 continue;
3037
3038 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 3039 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3040 ql2xplogiabsentdevice, 0);
1da177e4 3041 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3042 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3043 fcport->port_type != FCT_INITIATOR &&
3044 fcport->port_type != FCT_BROADCAST) {
e315cd28 3045 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 3046 fcport->loop_id,
3047 fcport->d_id.b.domain,
3048 fcport->d_id.b.area,
3049 fcport->d_id.b.al_pa);
1da177e4
LT		 3050 fcport->loop_id = FC_NO_LOOP_ID;
3051 }
3052 }
3053 }
3054
3055 /* Starting free loop ID. */
e315cd28 3056 next_loopid = ha->min_external_loopid;
1da177e4
LT		 3057
3058 /*
3059 * Scan through our port list and login entries that need to be
3060 * logged in.
3061 */
e315cd28
AC		 3062 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3063 if (atomic_read(&vha->loop_down_timer) ||
3064 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3065 break;
3066
3067 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3068 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3069 continue;
3070
3071 if (fcport->loop_id == FC_NO_LOOP_ID) {
3072 fcport->loop_id = next_loopid;
d4486fd6 3073 rval = qla2x00_find_new_loop_id(
e315cd28 3074 base_vha, fcport);
1da177e4
LT		 3075 if (rval != QLA_SUCCESS) {
3076 /* Ran out of IDs to use */
3077 break;
3078 }
3079 }
1da177e4 3080 /* Login and update database */
e315cd28 3081 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 3082 }
3083
3084 /* Exit if out of loop IDs. */
3085 if (rval != QLA_SUCCESS) {
3086 break;
3087 }
3088
3089 /*
3090 * Login and add the new devices to our port list.
3091 */
3092 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 3093 if (atomic_read(&vha->loop_down_timer) ||
3094 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3095 break;
3096
3097 /* Find a new loop ID to use. */
3098 fcport->loop_id = next_loopid;
e315cd28 3099 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 3100 if (rval != QLA_SUCCESS) {
3101 /* Ran out of IDs to use */
3102 break;
3103 }
3104
bdf79621 3105 /* Login and update database */
e315cd28
AC		 3106 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3107
3108 if (vha->vp_idx) {
3109 fcport->vha = vha;
3110 fcport->vp_idx = vha->vp_idx;
3111 }
3112 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 3113 }
3114 } while (0);
3115
3116 /* Free all new device structures not processed. */
3117 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3118 list_del(&fcport->list);
3119 kfree(fcport);
3120 }
3121
3122 if (rval) {
3123 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 3124 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 3125 }
3126
3127 return (rval);
3128}
3129
1da177e4
LT		 3130/*
3131 * qla2x00_find_all_fabric_devs
3132 *
3133 * Input:
3134 * ha = adapter block pointer.
3135 * dev = database device entry pointer.
3136 *
3137 * Returns:
3138 * 0 = success.
3139 *
3140 * Context:
3141 * Kernel context.
3142 */
3143static int
e315cd28
AC		 3144qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3145 struct list_head *new_fcports)
1da177e4
LT		 3146{
3147 int rval;
3148 uint16_t loop_id;
3149 fc_port_t *fcport, *new_fcport, *fcptemp;
3150 int found;
3151
3152 sw_info_t *swl;
3153 int swl_idx;
3154 int first_dev, last_dev;
1516ef44 3155 port_id_t wrap = {}, nxt_d_id;
e315cd28
AC		 3156 struct qla_hw_data *ha = vha->hw;
3157 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 3158 struct scsi_qla_host *tvp;
1da177e4
LT		 3159
3160 rval = QLA_SUCCESS;
3161
3162 /* Try GID_PT to get device list, else GAN. */
4b89258c 3163 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 3164 if (!swl) {
1da177e4
LT		 3165 /*EMPTY*/
3166 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 3167 "on GA_NXT\n", vha->host_no));
1da177e4 3168 } else {
e315cd28 3169 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3170 kfree(swl);
3171 swl = NULL;
e315cd28 3172 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3173 kfree(swl);
3174 swl = NULL;
e315cd28 3175 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3176 kfree(swl);
3177 swl = NULL;
e5896bd5 3178 } else if (ql2xiidmaenable &&
e315cd28
AC		 3179 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3180 qla2x00_gpsc(vha, swl);
1da177e4 3181 }
e8c72ba5
CD		 3182
3183 /* If other queries succeeded probe for FC-4 type */
3184 if (swl)
3185 qla2x00_gff_id(vha, swl);
1da177e4
LT		 3186 }
3187 swl_idx = 0;
3188
3189 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 3190 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3191 if (new_fcport == NULL) {
c9475cb0 3192 kfree(swl);
1da177e4
LT		 3193 return (QLA_MEMORY_ALLOC_FAILED);
3194 }
3195 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 3196 /* Set start port ID scan at adapter ID. */
3197 first_dev = 1;
3198 last_dev = 0;
3199
3200 /* Starting free loop ID. */
e315cd28
AC		 3201 loop_id = ha->min_external_loopid;
3202 for (; loop_id <= ha->max_loop_id; loop_id++) {
3203 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 3204 continue;
3205
3a6478df
GM		 3206 if (ha->current_topology == ISP_CFG_FL &&
3207 (atomic_read(&vha->loop_down_timer) ||
3208 LOOP_TRANSITION(vha))) {
bb2d52b2
AV		 3209 atomic_set(&vha->loop_down_timer, 0);
3210 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3211 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4 3212 break;
bb2d52b2 3213 }
1da177e4
LT		 3214
3215 if (swl != NULL) {
3216 if (last_dev) {
3217 wrap.b24 = new_fcport->d_id.b24;
3218 } else {
3219 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3220 memcpy(new_fcport->node_name,
3221 swl[swl_idx].node_name, WWN_SIZE);
3222 memcpy(new_fcport->port_name,
3223 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 3224 memcpy(new_fcport->fabric_port_name,
3225 swl[swl_idx].fabric_port_name, WWN_SIZE);
3226 new_fcport->fp_speed = swl[swl_idx].fp_speed;
e8c72ba5 3227 new_fcport->fc4_type = swl[swl_idx].fc4_type;
1da177e4
LT		 3228
3229 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3230 last_dev = 1;
3231 }
3232 swl_idx++;
3233 }
3234 } else {
3235 /* Send GA_NXT to the switch */
e315cd28 3236 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 3237 if (rval != QLA_SUCCESS) {
3238 qla_printk(KERN_WARNING, ha,
3239 "SNS scan failed -- assuming zero-entry "
3240 "result...\n");
3241 list_for_each_entry_safe(fcport, fcptemp,
3242 new_fcports, list) {
3243 list_del(&fcport->list);
3244 kfree(fcport);
3245 }
3246 rval = QLA_SUCCESS;
3247 break;
3248 }
3249 }
3250
3251 /* If wrap on switch device list, exit. */
3252 if (first_dev) {
3253 wrap.b24 = new_fcport->d_id.b24;
3254 first_dev = 0;
3255 } else if (new_fcport->d_id.b24 == wrap.b24) {
3256 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 3257 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 3258 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3259 break;
3260 }
3261
2c3dfe3f 3262 /* Bypass if same physical adapter. */
e315cd28 3263 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 3264 continue;
3265
2c3dfe3f 3266 /* Bypass virtual ports of the same host. */
e315cd28
AC		 3267 found = 0;
3268 if (ha->num_vhosts) {
feafb7b1
AE		 3269 unsigned long flags;
3270
3271 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3272 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3273 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3274 found = 1;
2c3dfe3f 3275 break;
e315cd28 3276 }
2c3dfe3f 3277 }
feafb7b1
AE		 3278 spin_unlock_irqrestore(&ha->vport_slock, flags);
3279
e315cd28 3280 if (found)
2c3dfe3f
SJ		 3281 continue;
3282 }
3283
f7d289f6
AV		 3284 /* Bypass if same domain and area of adapter. */
3285 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 3286 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 3287 ISP_CFG_FL)
3288 continue;
3289
1da177e4
LT		 3290 /* Bypass reserved domain fields. */
3291 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3292 continue;
3293
e8c72ba5 3294 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
4da26e16
CD		 3295 if (ql2xgffidenable &&
3296 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3297 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
e8c72ba5
CD		 3298 continue;
3299
1da177e4
LT		 3300 /* Locate matching device in database. */
3301 found = 0;
e315cd28 3302 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3303 if (memcmp(new_fcport->port_name, fcport->port_name,
3304 WWN_SIZE))
3305 continue;
3306
3307 found++;
3308
d8b45213
AV		 3309 /* Update port state. */
3310 memcpy(fcport->fabric_port_name,
3311 new_fcport->fabric_port_name, WWN_SIZE);
3312 fcport->fp_speed = new_fcport->fp_speed;
3313
1da177e4
LT		 3314 /*
3315 * If address the same and state FCS_ONLINE, nothing
3316 * changed.
3317 */
3318 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3319 atomic_read(&fcport->state) == FCS_ONLINE) {
3320 break;
3321 }
3322
3323 /*
3324 * If device was not a fabric device before.
3325 */
3326 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3327 fcport->d_id.b24 = new_fcport->d_id.b24;
3328 fcport->loop_id = FC_NO_LOOP_ID;
3329 fcport->flags |= (FCF_FABRIC_DEVICE |
3330 FCF_LOGIN_NEEDED);
1da177e4
LT		 3331 break;
3332 }
3333
3334 /*
3335 * Port ID changed or device was marked to be updated;
3336 * Log it out if still logged in and mark it for
3337 * relogin later.
3338 */
3339 fcport->d_id.b24 = new_fcport->d_id.b24;
3340 fcport->flags |= FCF_LOGIN_NEEDED;
3341 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3342 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3343 fcport->port_type != FCT_INITIATOR &&
3344 fcport->port_type != FCT_BROADCAST) {
e315cd28 3345 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3346 fcport->d_id.b.domain, fcport->d_id.b.area,
3347 fcport->d_id.b.al_pa);
1da177e4
LT		 3348 fcport->loop_id = FC_NO_LOOP_ID;
3349 }
3350
3351 break;
3352 }
3353
3354 if (found)
3355 continue;
1da177e4
LT		 3356 /* If device was not in our fcports list, then add it. */
3357 list_add_tail(&new_fcport->list, new_fcports);
3358
3359 /* Allocate a new replacement fcport. */
3360 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 3361 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3362 if (new_fcport == NULL) {
c9475cb0 3363 kfree(swl);
1da177e4
LT		 3364 return (QLA_MEMORY_ALLOC_FAILED);
3365 }
3366 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3367 new_fcport->d_id.b24 = nxt_d_id.b24;
3368 }
3369
c9475cb0
JJ		 3370 kfree(swl);
3371 kfree(new_fcport);
1da177e4 3372
1da177e4
LT		 3373 return (rval);
3374}
3375
3376/*
3377 * qla2x00_find_new_loop_id
3378 * Scan through our port list and find a new usable loop ID.
3379 *
3380 * Input:
3381 * ha: adapter state pointer.
3382 * dev: port structure pointer.
3383 *
3384 * Returns:
3385 * qla2x00 local function return status code.
3386 *
3387 * Context:
3388 * Kernel context.
3389 */
413975a0 3390static int
e315cd28 3391qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 3392{
3393 int rval;
3394 int found;
3395 fc_port_t *fcport;
3396 uint16_t first_loop_id;
e315cd28
AC		 3397 struct qla_hw_data *ha = vha->hw;
3398 struct scsi_qla_host *vp;
ee546b6e 3399 struct scsi_qla_host *tvp;
feafb7b1 3400 unsigned long flags = 0;
1da177e4
LT		 3401
3402 rval = QLA_SUCCESS;
3403
3404 /* Save starting loop ID. */
3405 first_loop_id = dev->loop_id;
3406
3407 for (;;) {
3408 /* Skip loop ID if already used by adapter. */
e315cd28 3409 if (dev->loop_id == vha->loop_id)
1da177e4 3410 dev->loop_id++;
1da177e4
LT		 3411
3412 /* Skip reserved loop IDs. */
e315cd28 3413 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 3414 dev->loop_id++;
1da177e4
LT		 3415
3416 /* Reset loop ID if passed the end. */
e315cd28 3417 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 3418 /* first loop ID. */
3419 dev->loop_id = ha->min_external_loopid;
3420 }
3421
3422 /* Check for loop ID being already in use. */
3423 found = 0;
3424 fcport = NULL;
feafb7b1
AE		 3425
3426 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3427 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3428 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3429 if (fcport->loop_id == dev->loop_id &&
3430 fcport != dev) {
3431 /* ID possibly in use */
3432 found++;
3433 break;
3434 }
1da177e4 3435 }
e315cd28
AC		 3436 if (found)
3437 break;
1da177e4 3438 }
feafb7b1 3439 spin_unlock_irqrestore(&ha->vport_slock, flags);
1da177e4
LT		 3440
3441 /* If not in use then it is free to use. */
3442 if (!found) {
3443 break;
3444 }
3445
3446 /* ID in use. Try next value. */
3447 dev->loop_id++;
3448
3449 /* If wrap around. No free ID to use. */
3450 if (dev->loop_id == first_loop_id) {
3451 dev->loop_id = FC_NO_LOOP_ID;
3452 rval = QLA_FUNCTION_FAILED;
3453 break;
3454 }
3455 }
3456
3457 return (rval);
3458}
3459
3460/*
3461 * qla2x00_device_resync
3462 * Marks devices in the database that needs resynchronization.
3463 *
3464 * Input:
3465 * ha = adapter block pointer.
3466 *
3467 * Context:
3468 * Kernel context.
3469 */
3470static int
e315cd28 3471qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 3472{
3473 int rval;
1da177e4
LT		 3474 uint32_t mask;
3475 fc_port_t *fcport;
3476 uint32_t rscn_entry;
3477 uint8_t rscn_out_iter;
3478 uint8_t format;
1516ef44 3479 port_id_t d_id = {};
1da177e4
LT		 3480
3481 rval = QLA_RSCNS_HANDLED;
3482
e315cd28
AC		 3483 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3484 vha->flags.rscn_queue_overflow) {
1da177e4 3485
e315cd28 3486 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 3487 format = MSB(MSW(rscn_entry));
3488 d_id.b.domain = LSB(MSW(rscn_entry));
3489 d_id.b.area = MSB(LSW(rscn_entry));
3490 d_id.b.al_pa = LSB(LSW(rscn_entry));
3491
3492 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3493 "[%02x/%02x%02x%02x].\n",
e315cd28 3494 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 3495 d_id.b.area, d_id.b.al_pa));
3496
e315cd28
AC		 3497 vha->rscn_out_ptr++;
3498 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3499 vha->rscn_out_ptr = 0;
1da177e4
LT		 3500
3501 /* Skip duplicate entries. */
e315cd28
AC		 3502 for (rscn_out_iter = vha->rscn_out_ptr;
3503 !vha->flags.rscn_queue_overflow &&
3504 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 3505 rscn_out_iter = (rscn_out_iter ==
3506 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3507
e315cd28 3508 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 3509 break;
3510
3511 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 3512 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 3513 rscn_out_iter));
3514
e315cd28 3515 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 3516 }
3517
3518 /* Queue overflow, set switch default case. */
e315cd28 3519 if (vha->flags.rscn_queue_overflow) {
1da177e4 3520 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 3521 "overflow.\n", vha->host_no));
1da177e4
LT		 3522
3523 format = 3;
e315cd28 3524 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 3525 }
3526
3527 switch (format) {
3528 case 0:
1da177e4
LT		 3529 mask = 0xffffff;
3530 break;
3531 case 1:
3532 mask = 0xffff00;
3533 break;
3534 case 2:
3535 mask = 0xff0000;
3536 break;
3537 default:
3538 mask = 0x0;
3539 d_id.b24 = 0;
e315cd28 3540 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 3541 break;
3542 }
3543
3544 rval = QLA_SUCCESS;
3545
e315cd28 3546 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3547 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3548 (fcport->d_id.b24 & mask) != d_id.b24 ||
3549 fcport->port_type == FCT_BROADCAST)
3550 continue;
3551
3552 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3553 if (format != 3 ||
3554 fcport->port_type != FCT_INITIATOR) {
e315cd28 3555 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3556 0, 0);
1da177e4
LT		 3557 }
3558 }
1da177e4
LT		 3559 }
3560 }
3561 return (rval);
3562}
3563
3564/*
3565 * qla2x00_fabric_dev_login
3566 * Login fabric target device and update FC port database.
3567 *
3568 * Input:
3569 * ha: adapter state pointer.
3570 * fcport: port structure list pointer.
3571 * next_loopid: contains value of a new loop ID that can be used
3572 * by the next login attempt.
3573 *
3574 * Returns:
3575 * qla2x00 local function return status code.
3576 *
3577 * Context:
3578 * Kernel context.
3579 */
3580static int
e315cd28 3581qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3582 uint16_t *next_loopid)
3583{
3584 int rval;
3585 int retry;
0107109e 3586 uint8_t opts;
e315cd28 3587 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3588
3589 rval = QLA_SUCCESS;
3590 retry = 0;
3591
ac280b67 3592 if (IS_ALOGIO_CAPABLE(ha)) {
5ff1d584
AV		 3593 if (fcport->flags & FCF_ASYNC_SENT)
3594 return rval;
3595 fcport->flags |= FCF_ASYNC_SENT;
ac280b67
AV		 3596 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3597 if (!rval)
3598 return rval;
3599 }
3600
5ff1d584 3601 fcport->flags &= ~FCF_ASYNC_SENT;
e315cd28 3602 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 3603 if (rval == QLA_SUCCESS) {
f08b7251 3604 /* Send an ADISC to FCP2 devices.*/
0107109e 3605 opts = 0;
f08b7251 3606 if (fcport->flags & FCF_FCP2_DEVICE)
0107109e 3607 opts |= BIT_1;
e315cd28 3608 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 3609 if (rval != QLA_SUCCESS) {
e315cd28 3610 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3611 fcport->d_id.b.domain, fcport->d_id.b.area,
3612 fcport->d_id.b.al_pa);
e315cd28 3613 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3614 } else {
e315cd28 3615 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3616 }
3617 }
3618
3619 return (rval);
3620}
3621
3622/*
3623 * qla2x00_fabric_login
3624 * Issue fabric login command.
3625 *
3626 * Input:
3627 * ha = adapter block pointer.
3628 * device = pointer to FC device type structure.
3629 *
3630 * Returns:
3631 * 0 - Login successfully
3632 * 1 - Login failed
3633 * 2 - Initiator device
3634 * 3 - Fatal error
3635 */
3636int
e315cd28 3637qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3638 uint16_t *next_loopid)
3639{
3640 int rval;
3641 int retry;
3642 uint16_t tmp_loopid;
3643 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3644 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3645
3646 retry = 0;
3647 tmp_loopid = 0;
3648
3649 for (;;) {
3650 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3651 "for port %02x%02x%02x.\n",
e315cd28 3652 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3653 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3654
3655 /* Login fcport on switch. */
e315cd28 3656 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3657 fcport->d_id.b.domain, fcport->d_id.b.area,
3658 fcport->d_id.b.al_pa, mb, BIT_0);
3659 if (mb[0] == MBS_PORT_ID_USED) {
3660 /*
3661 * Device has another loop ID. The firmware team
0107109e
AV		 3662 * recommends the driver perform an implicit login with
3663 * the specified ID again. The ID we just used is save
3664 * here so we return with an ID that can be tried by
3665 * the next login.
1da177e4
LT		 3666 */
3667 retry++;
3668 tmp_loopid = fcport->loop_id;
3669 fcport->loop_id = mb[1];
3670
3671 DEBUG(printk("Fabric Login: port in use - next "
3672 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3673 fcport->loop_id, fcport->d_id.b.domain,
3674 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3675
3676 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3677 /*
3678 * Login succeeded.
3679 */
3680 if (retry) {
3681 /* A retry occurred before. */
3682 *next_loopid = tmp_loopid;
3683 } else {
3684 /*
3685 * No retry occurred before. Just increment the
3686 * ID value for next login.
3687 */
3688 *next_loopid = (fcport->loop_id + 1);
3689 }
3690
3691 if (mb[1] & BIT_0) {
3692 fcport->port_type = FCT_INITIATOR;
3693 } else {
3694 fcport->port_type = FCT_TARGET;
3695 if (mb[1] & BIT_1) {
8474f3a0 3696 fcport->flags |= FCF_FCP2_DEVICE;
1da177e4
LT		 3697 }
3698 }
3699
ad3e0eda
AV		 3700 if (mb[10] & BIT_0)
3701 fcport->supported_classes |= FC_COS_CLASS2;
3702 if (mb[10] & BIT_1)
3703 fcport->supported_classes |= FC_COS_CLASS3;
3704
1da177e4
LT		 3705 rval = QLA_SUCCESS;
3706 break;
3707 } else if (mb[0] == MBS_LOOP_ID_USED) {
3708 /*
3709 * Loop ID already used, try next loop ID.
3710 */
3711 fcport->loop_id++;
e315cd28 3712 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3713 if (rval != QLA_SUCCESS) {
3714 /* Ran out of loop IDs to use */
3715 break;
3716 }
3717 } else if (mb[0] == MBS_COMMAND_ERROR) {
3718 /*
3719 * Firmware possibly timed out during login. If NO
3720 * retries are left to do then the device is declared
3721 * dead.
3722 */
3723 *next_loopid = fcport->loop_id;
e315cd28 3724 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3725 fcport->d_id.b.domain, fcport->d_id.b.area,
3726 fcport->d_id.b.al_pa);
e315cd28 3727 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3728
3729 rval = 1;
3730 break;
3731 } else {
3732 /*
3733 * unrecoverable / not handled error
3734 */
3735 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3736 "loop_id=%x jiffies=%lx.\n",
e315cd28 3737 __func__, vha->host_no, mb[0],
1da177e4
LT		 3738 fcport->d_id.b.domain, fcport->d_id.b.area,
3739 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3740
3741 *next_loopid = fcport->loop_id;
e315cd28 3742 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3743 fcport->d_id.b.domain, fcport->d_id.b.area,
3744 fcport->d_id.b.al_pa);
1da177e4 3745 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3746 fcport->login_retry = 0;
1da177e4
LT		 3747
3748 rval = 3;
3749 break;
3750 }
3751 }
3752
3753 return (rval);
3754}
3755
3756/*
3757 * qla2x00_local_device_login
3758 * Issue local device login command.
3759 *
3760 * Input:
3761 * ha = adapter block pointer.
3762 * loop_id = loop id of device to login to.
3763 *
3764 * Returns (Where's the #define!!!!):
3765 * 0 - Login successfully
3766 * 1 - Login failed
3767 * 3 - Fatal error
3768 */
3769int
e315cd28 3770qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3771{
3772 int rval;
3773 uint16_t mb[MAILBOX_REGISTER_COUNT];
3774
3775 memset(mb, 0, sizeof(mb));
e315cd28 3776 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3777 if (rval == QLA_SUCCESS) {
3778 /* Interrogate mailbox registers for any errors */
3779 if (mb[0] == MBS_COMMAND_ERROR)
3780 rval = 1;
3781 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3782 /* device not in PCB table */
3783 rval = 3;
3784 }
3785
3786 return (rval);
3787}
3788
3789/*
3790 * qla2x00_loop_resync
3791 * Resync with fibre channel devices.
3792 *
3793 * Input:
3794 * ha = adapter block pointer.
3795 *
3796 * Returns:
3797 * 0 = success
3798 */
3799int
e315cd28 3800qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3801{
73208dfd 3802 int rval = QLA_SUCCESS;
1da177e4 3803 uint32_t wait_time;
67c2e93a
AC		 3804 struct req_que *req;
3805 struct rsp_que *rsp;
3806
7163ea81 3807 if (vha->hw->flags.cpu_affinity_enabled)
67c2e93a
AC		 3808 req = vha->hw->req_q_map[0];
3809 else
3810 req = vha->req;
3811 rsp = req->rsp;
1da177e4 3812
e315cd28
AC		 3813 atomic_set(&vha->loop_state, LOOP_UPDATE);
3814 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3815 if (vha->flags.online) {
3816 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3817 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3818 wait_time = 256;
3819 do {
e315cd28 3820 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3821
0107109e 3822 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3823 qla2x00_marker(vha, req, rsp, 0, 0,
3824 MK_SYNC_ALL);
e315cd28 3825 vha->marker_needed = 0;
1da177e4
LT		 3826
3827 /* Remap devices on Loop. */
e315cd28 3828 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3829
e315cd28 3830 qla2x00_configure_loop(vha);
1da177e4 3831 wait_time--;
e315cd28
AC		 3832 } while (!atomic_read(&vha->loop_down_timer) &&
3833 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3834 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3835 &vha->dpc_flags)));
1da177e4 3836 }
1da177e4
LT		 3837 }
3838
e315cd28 3839 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3840 return (QLA_FUNCTION_FAILED);
1da177e4 3841
e315cd28 3842 if (rval)
1da177e4 3843 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3844
3845 return (rval);
3846}
3847
579d12b5
SK		 3848/*
3849* qla2x00_perform_loop_resync
3850* Description: This function will set the appropriate flags and call
3851* qla2x00_loop_resync. If successful loop will be resynced
3852* Arguments : scsi_qla_host_t pointer
3853* returm : Success or Failure
3854*/
3855
3856int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3857{
3858 int32_t rval = 0;
3859
3860 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3861 /*Configure the flags so that resync happens properly*/
3862 atomic_set(&ha->loop_down_timer, 0);
3863 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3864 atomic_set(&ha->loop_state, LOOP_UP);
3865 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3866 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3867 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3868
3869 rval = qla2x00_loop_resync(ha);
3870 } else
3871 atomic_set(&ha->loop_state, LOOP_DEAD);
3872
3873 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3874 }
3875
3876 return rval;
3877}
3878
d97994dc 3879void
67becc00 3880qla2x00_update_fcports(scsi_qla_host_t *base_vha)
d97994dc 3881{
3882 fc_port_t *fcport;
feafb7b1
AE		 3883 struct scsi_qla_host *vha;
3884 struct qla_hw_data *ha = base_vha->hw;
3885 unsigned long flags;
d97994dc 3886
feafb7b1 3887 spin_lock_irqsave(&ha->vport_slock, flags);
d97994dc 3888 /* Go with deferred removal of rport references. */
feafb7b1
AE		 3889 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3890 atomic_inc(&vha->vref_count);
3891 list_for_each_entry(fcport, &vha->vp_fcports, list) {
8ae598d0 3892 if (fcport->drport &&
feafb7b1
AE		 3893 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3894 spin_unlock_irqrestore(&ha->vport_slock, flags);
3895
67becc00 3896 qla2x00_rport_del(fcport);
feafb7b1
AE		 3897
3898 spin_lock_irqsave(&ha->vport_slock, flags);
3899 }
3900 }
3901 atomic_dec(&vha->vref_count);
3902 }
3903 spin_unlock_irqrestore(&ha->vport_slock, flags);
d97994dc 3904}
3905
579d12b5
SK		 3906/*
3907* qla82xx_quiescent_state_cleanup
3908* Description: This function will block the new I/Os
3909* Its not aborting any I/Os as context
3910* is not destroyed during quiescence
3911* Arguments: scsi_qla_host_t
3912* return : void
3913*/
3914void
3915qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3916{
3917 struct qla_hw_data *ha = vha->hw;
3918 struct scsi_qla_host *vp;
3919
3920 qla_printk(KERN_INFO, ha,
3921 "Performing ISP error recovery - ha= %p.\n", ha);
3922
3923 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3924 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3925 atomic_set(&vha->loop_state, LOOP_DOWN);
3926 qla2x00_mark_all_devices_lost(vha, 0);
3927 list_for_each_entry(vp, &ha->vp_list, list)
3928 qla2x00_mark_all_devices_lost(vha, 0);
3929 } else {
3930 if (!atomic_read(&vha->loop_down_timer))
3931 atomic_set(&vha->loop_down_timer,
3932 LOOP_DOWN_TIME);
3933 }
3934 /* Wait for pending cmds to complete */
3935 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3936}
3937
a9083016
GM		 3938void
3939qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3940{
3941 struct qla_hw_data *ha = vha->hw;
579d12b5 3942 struct scsi_qla_host *vp;
feafb7b1 3943 unsigned long flags;
a9083016
GM		 3944
3945 vha->flags.online = 0;
3946 ha->flags.chip_reset_done = 0;
3947 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3948 ha->qla_stats.total_isp_aborts++;
3949
3950 qla_printk(KERN_INFO, ha,
3951 "Performing ISP error recovery - ha= %p.\n", ha);
3952
3953 /* Chip reset does not apply to 82XX */
3954 if (!IS_QLA82XX(ha))
3955 ha->isp_ops->reset_chip(vha);
3956
3957 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3958 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3959 atomic_set(&vha->loop_state, LOOP_DOWN);
3960 qla2x00_mark_all_devices_lost(vha, 0);
feafb7b1
AE		 3961
3962 spin_lock_irqsave(&ha->vport_slock, flags);
579d12b5 3963 list_for_each_entry(vp, &ha->vp_list, list) {
feafb7b1
AE		 3964 atomic_inc(&vp->vref_count);
3965 spin_unlock_irqrestore(&ha->vport_slock, flags);
3966
a9083016 3967 qla2x00_mark_all_devices_lost(vp, 0);
feafb7b1
AE		 3968
3969 spin_lock_irqsave(&ha->vport_slock, flags);
3970 atomic_dec(&vp->vref_count);
3971 }
3972 spin_unlock_irqrestore(&ha->vport_slock, flags);
a9083016
GM		 3973 } else {
3974 if (!atomic_read(&vha->loop_down_timer))
3975 atomic_set(&vha->loop_down_timer,
3976 LOOP_DOWN_TIME);
3977 }
3978
bddd2d65
LC		 3979 if (!ha->flags.eeh_busy) {
3980 /* Make sure for ISP 82XX IO DMA is complete */
3981 if (IS_QLA82XX(ha)) {
3982 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3983 WAIT_HOST) == QLA_SUCCESS) {
3984 DEBUG2(qla_printk(KERN_INFO, ha,
3985 "Done wait for pending commands\n"));
3986 }
4d78c973 3987 }
a9083016 3988
bddd2d65
LC		 3989 /* Requeue all commands in outstanding command list. */
3990 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
3991 }
a9083016
GM		 3992}
3993
1da177e4
LT		 3994/*
3995* qla2x00_abort_isp
3996* Resets ISP and aborts all outstanding commands.
3997*
3998* Input:
3999* ha = adapter block pointer.
4000*
4001* Returns:
4002* 0 = success
4003*/
4004int
e315cd28 4005qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 4006{
476e8978 4007 int rval;
1da177e4 4008 uint8_t status = 0;
e315cd28
AC		 4009 struct qla_hw_data *ha = vha->hw;
4010 struct scsi_qla_host *vp;
73208dfd 4011 struct req_que *req = ha->req_q_map[0];
feafb7b1 4012 unsigned long flags;
1da177e4 4013
e315cd28 4014 if (vha->flags.online) {
a9083016 4015 qla2x00_abort_isp_cleanup(vha);
1da177e4 4016
85880801
AV		 4017 if (unlikely(pci_channel_offline(ha->pdev) &&
4018 ha->flags.pci_channel_io_perm_failure)) {
4019 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4020 status = 0;
4021 return status;
4022 }
4023
73208dfd 4024 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 4025
e315cd28 4026 ha->isp_ops->nvram_config(vha);
1da177e4 4027
e315cd28
AC		 4028 if (!qla2x00_restart_isp(vha)) {
4029 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 4030
e315cd28 4031 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 4032 /*
4033 * Issue marker command only when we are going
4034 * to start the I/O .
4035 */
e315cd28 4036 vha->marker_needed = 1;
1da177e4
LT		 4037 }
4038
e315cd28 4039 vha->flags.online = 1;
1da177e4 4040
fd34f556 4041 ha->isp_ops->enable_intrs(ha);
1da177e4 4042
fa2a1ce5 4043 ha->isp_abort_cnt = 0;
e315cd28 4044 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 4045
29c5397f
LC		 4046 if (IS_QLA81XX(ha))
4047 qla2x00_get_fw_version(vha,
4048 &ha->fw_major_version,
4049 &ha->fw_minor_version,
4050 &ha->fw_subminor_version,
4051 &ha->fw_attributes, &ha->fw_memory_size,
4052 ha->mpi_version, &ha->mpi_capabilities,
4053 ha->phy_version);
4054
df613b96
AV		 4055 if (ha->fce) {
4056 ha->flags.fce_enabled = 1;
4057 memset(ha->fce, 0,
4058 fce_calc_size(ha->fce_bufs));
e315cd28 4059 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 4060 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4061 &ha->fce_bufs);
4062 if (rval) {
4063 qla_printk(KERN_WARNING, ha,
4064 "Unable to reinitialize FCE "
4065 "(%d).\n", rval);
4066 ha->flags.fce_enabled = 0;
4067 }
4068 }
436a7b11
AV		 4069
4070 if (ha->eft) {
4071 memset(ha->eft, 0, EFT_SIZE);
e315cd28 4072 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 4073 ha->eft_dma, EFT_NUM_BUFFERS);
4074 if (rval) {
4075 qla_printk(KERN_WARNING, ha,
4076 "Unable to reinitialize EFT "
4077 "(%d).\n", rval);
4078 }
4079 }
1da177e4 4080 } else { /* failed the ISP abort */
e315cd28
AC		 4081 vha->flags.online = 1;
4082 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 4083 if (ha->isp_abort_cnt == 0) {
4084 qla_printk(KERN_WARNING, ha,
4085 "ISP error recovery failed - "
4086 "board disabled\n");
fa2a1ce5 4087 /*
1da177e4
LT		 4088 * The next call disables the board
4089 * completely.
4090 */
e315cd28
AC		 4091 ha->isp_ops->reset_adapter(vha);
4092 vha->flags.online = 0;
1da177e4 4093 clear_bit(ISP_ABORT_RETRY,
e315cd28 4094 &vha->dpc_flags);
1da177e4
LT		 4095 status = 0;
4096 } else { /* schedule another ISP abort */
4097 ha->isp_abort_cnt--;
4098 DEBUG(printk("qla%ld: ISP abort - "
0107109e 4099 "retry remaining %d\n",
e315cd28 4100 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 4101 status = 1;
4102 }
4103 } else {
4104 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4105 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4106 "- retrying (%d) more times\n",
e315cd28
AC		 4107 vha->host_no, ha->isp_abort_cnt));
4108 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 4109 status = 1;
4110 }
4111 }
fa2a1ce5 4112
1da177e4
LT		 4113 }
4114
e315cd28
AC		 4115 if (!status) {
4116 DEBUG(printk(KERN_INFO
4117 "qla2x00_abort_isp(%ld): succeeded.\n",
4118 vha->host_no));
feafb7b1
AE		 4119
4120 spin_lock_irqsave(&ha->vport_slock, flags);
4121 list_for_each_entry(vp, &ha->vp_list, list) {
4122 if (vp->vp_idx) {
4123 atomic_inc(&vp->vref_count);
4124 spin_unlock_irqrestore(&ha->vport_slock, flags);
4125
e315cd28 4126 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 4127
4128 spin_lock_irqsave(&ha->vport_slock, flags);
4129 atomic_dec(&vp->vref_count);
4130 }
e315cd28 4131 }
feafb7b1
AE		 4132 spin_unlock_irqrestore(&ha->vport_slock, flags);
4133
e315cd28 4134 } else {
1da177e4
LT		 4135 qla_printk(KERN_INFO, ha,
4136 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 4137 }
4138
4139 return(status);
4140}
4141
4142/*
4143* qla2x00_restart_isp
4144* restarts the ISP after a reset
4145*
4146* Input:
4147* ha = adapter block pointer.
4148*
4149* Returns:
4150* 0 = success
4151*/
4152static int
e315cd28 4153qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 4154{
c6b2fca8 4155 int status = 0;
1da177e4 4156 uint32_t wait_time;
e315cd28 4157 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 4158 struct req_que *req = ha->req_q_map[0];
4159 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 4160
4161 /* If firmware needs to be loaded */
e315cd28
AC		 4162 if (qla2x00_isp_firmware(vha)) {
4163 vha->flags.online = 0;
4164 status = ha->isp_ops->chip_diag(vha);
4165 if (!status)
4166 status = qla2x00_setup_chip(vha);
1da177e4
LT		 4167 }
4168
e315cd28
AC		 4169 if (!status && !(status = qla2x00_init_rings(vha))) {
4170 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 4171 ha->flags.chip_reset_done = 1;
73208dfd
AC		 4172 /* Initialize the queues in use */
4173 qla25xx_init_queues(ha);
4174
e315cd28
AC		 4175 status = qla2x00_fw_ready(vha);
4176 if (!status) {
1da177e4 4177 DEBUG(printk("%s(): Start configure loop, "
744f11fd 4178 "status = %d\n", __func__, status));
0107109e
AV		 4179
4180 /* Issue a marker after FW becomes ready. */
73208dfd 4181 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 4182
e315cd28 4183 vha->flags.online = 1;
1da177e4
LT		 4184 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4185 wait_time = 256;
4186 do {
e315cd28
AC		 4187 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4188 qla2x00_configure_loop(vha);
1da177e4 4189 wait_time--;
e315cd28
AC		 4190 } while (!atomic_read(&vha->loop_down_timer) &&
4191 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4192 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4193 &vha->dpc_flags)));
1da177e4
LT		 4194 }
4195
4196 /* if no cable then assume it's good */
e315cd28 4197 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 4198 status = 0;
4199
4200 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4201 __func__,
744f11fd 4202 status));
1da177e4
LT		 4203 }
4204 return (status);
4205}
4206
73208dfd
AC		 4207static int
4208qla25xx_init_queues(struct qla_hw_data *ha)
4209{
4210 struct rsp_que *rsp = NULL;
4211 struct req_que *req = NULL;
4212 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4213 int ret = -1;
4214 int i;
4215
2afa19a9 4216 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 4217 rsp = ha->rsp_q_map[i];
4218 if (rsp) {
4219 rsp->options &= ~BIT_0;
618a7523 4220 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 4221 if (ret != QLA_SUCCESS)
4222 DEBUG2_17(printk(KERN_WARNING
4223 "%s Rsp que:%d init failed\n", __func__,
4224 rsp->id));
4225 else
4226 DEBUG2_17(printk(KERN_INFO
4227 "%s Rsp que:%d inited\n", __func__,
4228 rsp->id));
4229 }
2afa19a9
AC		 4230 }
4231 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 4232 req = ha->req_q_map[i];
4233 if (req) {
29bdccbe 4234 /* Clear outstanding commands array. */
73208dfd 4235 req->options &= ~BIT_0;
618a7523 4236 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 4237 if (ret != QLA_SUCCESS)
4238 DEBUG2_17(printk(KERN_WARNING
4239 "%s Req que:%d init failed\n", __func__,
4240 req->id));
4241 else
4242 DEBUG2_17(printk(KERN_WARNING
29bdccbe 4243 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 4244 req->id));
4245 }
4246 }
4247 return ret;
4248}
4249
1da177e4
LT		 4250/*
4251* qla2x00_reset_adapter
4252* Reset adapter.
4253*
4254* Input:
4255* ha = adapter block pointer.
4256*/
abbd8870 4257void
e315cd28 4258qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 4259{
4260 unsigned long flags = 0;
e315cd28 4261 struct qla_hw_data *ha = vha->hw;
3d71644c 4262 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 4263
e315cd28 4264 vha->flags.online = 0;
fd34f556 4265 ha->isp_ops->disable_intrs(ha);
1da177e4 4266
1da177e4
LT		 4267 spin_lock_irqsave(&ha->hardware_lock, flags);
4268 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4269 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4270 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4271 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4272 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4273}
0107109e
AV		 4274
4275void
e315cd28 4276qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 4277{
4278 unsigned long flags = 0;
e315cd28 4279 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 4280 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4281
a9083016
GM		 4282 if (IS_QLA82XX(ha))
4283 return;
4284
e315cd28 4285 vha->flags.online = 0;
fd34f556 4286 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 4287
4288 spin_lock_irqsave(&ha->hardware_lock, flags);
4289 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4290 RD_REG_DWORD(&reg->hccr);
4291 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4292 RD_REG_DWORD(&reg->hccr);
4293 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 4294
4295 if (IS_NOPOLLING_TYPE(ha))
4296 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 4297}
4298
4e08df3f
DM		 4299/* On sparc systems, obtain port and node WWN from firmware
4300 * properties.
4301 */
e315cd28
AC		 4302static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4303 struct nvram_24xx *nv)
4e08df3f
DM		 4304{
4305#ifdef CONFIG_SPARC
e315cd28 4306 struct qla_hw_data *ha = vha->hw;
4e08df3f 4307 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 4308 struct device_node *dp = pci_device_to_OF_node(pdev);
4309 const u8 *val;
4e08df3f
DM		 4310 int len;
4311
4312 val = of_get_property(dp, "port-wwn", &len);
4313 if (val && len >= WWN_SIZE)
4314 memcpy(nv->port_name, val, WWN_SIZE);
4315
4316 val = of_get_property(dp, "node-wwn", &len);
4317 if (val && len >= WWN_SIZE)
4318 memcpy(nv->node_name, val, WWN_SIZE);
4319#endif
4320}
4321
0107109e 4322int
e315cd28 4323qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 4324{
4e08df3f 4325 int rval;
0107109e
AV		 4326 struct init_cb_24xx *icb;
4327 struct nvram_24xx *nv;
4328 uint32_t *dptr;
4329 uint8_t *dptr1, *dptr2;
4330 uint32_t chksum;
4331 uint16_t cnt;
e315cd28 4332 struct qla_hw_data *ha = vha->hw;
0107109e 4333
4e08df3f 4334 rval = QLA_SUCCESS;
0107109e 4335 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 4336 nv = ha->nvram;
0107109e
AV		 4337
4338 /* Determine NVRAM starting address. */
e5b68a61
AC		 4339 if (ha->flags.port0) {
4340 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4341 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4342 } else {
0107109e 4343 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 4344 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4345 }
e5b68a61
AC		 4346 ha->nvram_size = sizeof(struct nvram_24xx);
4347 ha->vpd_size = FA_NVRAM_VPD_SIZE;
a9083016
GM		 4348 if (IS_QLA82XX(ha))
4349 ha->vpd_size = FA_VPD_SIZE_82XX;
0107109e 4350
281afe19
SJ		 4351 /* Get VPD data into cache */
4352 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 4353 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 4354 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4355
4356 /* Get NVRAM data into cache and calculate checksum. */
0107109e 4357 dptr = (uint32_t *)nv;
e315cd28 4358 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 4359 ha->nvram_size);
4360 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4361 chksum += le32_to_cpu(*dptr++);
4362
7640335e 4363 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 4364 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 4365
4366 /* Bad NVRAM data, set defaults parameters. */
4367 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4368 || nv->id[3] != ' ' ||
4369 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4370 /* Reset NVRAM data. */
4371 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4372 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4373 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 4374 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4375 "invalid -- WWPN) defaults.\n");
4376
4377 /*
4378 * Set default initialization control block.
4379 */
4380 memset(nv, 0, ha->nvram_size);
4381 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4382 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4383 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4384 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4385 nv->exchange_count = __constant_cpu_to_le16(0);
4386 nv->hard_address = __constant_cpu_to_le16(124);
4387 nv->port_name[0] = 0x21;
e5b68a61 4388 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 4389 nv->port_name[2] = 0x00;
4390 nv->port_name[3] = 0xe0;
4391 nv->port_name[4] = 0x8b;
4392 nv->port_name[5] = 0x1c;
4393 nv->port_name[6] = 0x55;
4394 nv->port_name[7] = 0x86;
4395 nv->node_name[0] = 0x20;
4396 nv->node_name[1] = 0x00;
4397 nv->node_name[2] = 0x00;
4398 nv->node_name[3] = 0xe0;
4399 nv->node_name[4] = 0x8b;
4400 nv->node_name[5] = 0x1c;
4401 nv->node_name[6] = 0x55;
4402 nv->node_name[7] = 0x86;
e315cd28 4403 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 4404 nv->login_retry_count = __constant_cpu_to_le16(8);
4405 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4406 nv->login_timeout = __constant_cpu_to_le16(0);
4407 nv->firmware_options_1 =
4408 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4409 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4410 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4411 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4412 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4413 nv->efi_parameters = __constant_cpu_to_le32(0);
4414 nv->reset_delay = 5;
4415 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4416 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4417 nv->link_down_timeout = __constant_cpu_to_le16(30);
4418
4419 rval = 1;
0107109e
AV		 4420 }
4421
4422 /* Reset Initialization control block */
e315cd28 4423 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 4424
4425 /* Copy 1st segment. */
4426 dptr1 = (uint8_t *)icb;
4427 dptr2 = (uint8_t *)&nv->version;
4428 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4429 while (cnt--)
4430 *dptr1++ = *dptr2++;
4431
4432 icb->login_retry_count = nv->login_retry_count;
3ea66e28 4433 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 4434
4435 /* Copy 2nd segment. */
4436 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4437 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4438 cnt = (uint8_t *)&icb->reserved_3 -
4439 (uint8_t *)&icb->interrupt_delay_timer;
4440 while (cnt--)
4441 *dptr1++ = *dptr2++;
4442
4443 /*
4444 * Setup driver NVRAM options.
4445 */
e315cd28 4446 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 4447 "QLA2462");
0107109e 4448
5341e868
AV		 4449 /* Use alternate WWN? */
4450 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4451 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4452 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4453 }
4454
0107109e 4455 /* Prepare nodename */
fd0e7e4d 4456 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 4457 /*
4458 * Firmware will apply the following mask if the nodename was
4459 * not provided.
4460 */
4461 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4462 icb->node_name[0] &= 0xF0;
4463 }
4464
4465 /* Set host adapter parameters. */
4466 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 4467 ha->flags.enable_lip_reset = 0;
4468 ha->flags.enable_lip_full_login =
4469 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4470 ha->flags.enable_target_reset =
4471 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 4472 ha->flags.enable_led_scheme = 0;
d4c760c2 4473 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 4474
fd0e7e4d
AV		 4475 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4476 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 4477
4478 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4479 sizeof(ha->fw_seriallink_options24));
4480
4481 /* save HBA serial number */
4482 ha->serial0 = icb->port_name[5];
4483 ha->serial1 = icb->port_name[6];
4484 ha->serial2 = icb->port_name[7];
e315cd28
AC		 4485 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4486 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 4487
bc8fb3cb 4488 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4489
0107109e
AV		 4490 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4491
4492 /* Set minimum login_timeout to 4 seconds. */
4493 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4494 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4495 if (le16_to_cpu(nv->login_timeout) < 4)
4496 nv->login_timeout = __constant_cpu_to_le16(4);
4497 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 4498 icb->login_timeout = nv->login_timeout;
0107109e 4499
00a537b8
AV		 4500 /* Set minimum RATOV to 100 tenths of a second. */
4501 ha->r_a_tov = 100;
0107109e
AV		 4502
4503 ha->loop_reset_delay = nv->reset_delay;
4504
4505 /* Link Down Timeout = 0:
4506 *
4507 * When Port Down timer expires we will start returning
4508 * I/O's to OS with "DID_NO_CONNECT".
4509 *
4510 * Link Down Timeout != 0:
4511 *
4512 * The driver waits for the link to come up after link down
4513 * before returning I/Os to OS with "DID_NO_CONNECT".
4514 */
4515 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4516 ha->loop_down_abort_time =
4517 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4518 } else {
4519 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4520 ha->loop_down_abort_time =
4521 (LOOP_DOWN_TIME - ha->link_down_timeout);
4522 }
4523
4524 /* Need enough time to try and get the port back. */
4525 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4526 if (qlport_down_retry)
4527 ha->port_down_retry_count = qlport_down_retry;
4528
4529 /* Set login_retry_count */
4530 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4531 if (ha->port_down_retry_count ==
4532 le16_to_cpu(nv->port_down_retry_count) &&
4533 ha->port_down_retry_count > 3)
4534 ha->login_retry_count = ha->port_down_retry_count;
4535 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4536 ha->login_retry_count = ha->port_down_retry_count;
4537 if (ql2xloginretrycount)
4538 ha->login_retry_count = ql2xloginretrycount;
4539
4fdfefe5 4540 /* Enable ZIO. */
e315cd28 4541 if (!vha->flags.init_done) {
4fdfefe5
AV		 4542 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4543 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4544 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4545 le16_to_cpu(icb->interrupt_delay_timer): 2;
4546 }
4547 icb->firmware_options_2 &= __constant_cpu_to_le32(
4548 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 4549 vha->flags.process_response_queue = 0;
4fdfefe5 4550 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 4551 ha->zio_mode = QLA_ZIO_MODE_6;
4552
4fdfefe5 4553 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 4554 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 4555 ha->zio_timer * 100));
4556 qla_printk(KERN_INFO, ha,
4557 "ZIO mode %d enabled; timer delay (%d us).\n",
4558 ha->zio_mode, ha->zio_timer * 100);
4559
4560 icb->firmware_options_2 |= cpu_to_le32(
4561 (uint32_t)ha->zio_mode);
4562 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 4563 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 4564 }
4565
4e08df3f
DM		 4566 if (rval) {
4567 DEBUG2_3(printk(KERN_WARNING
e315cd28 4568 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 4569 }
4570 return (rval);
0107109e
AV		 4571}
4572
413975a0 4573static int
cbc8eb67
AV		 4574qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4575 uint32_t faddr)
d1c61909 4576{
73208dfd 4577 int rval = QLA_SUCCESS;
d1c61909 4578 int segments, fragment;
d1c61909
AV		 4579 uint32_t *dcode, dlen;
4580 uint32_t risc_addr;
4581 uint32_t risc_size;
4582 uint32_t i;
e315cd28 4583 struct qla_hw_data *ha = vha->hw;
73208dfd 4584 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 4585
4586 qla_printk(KERN_INFO, ha,
cbc8eb67 4587 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 4588
d1c61909
AV		 4589 rval = QLA_SUCCESS;
4590
4591 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4592 dcode = (uint32_t *)req->ring;
d1c61909
AV		 4593 *srisc_addr = 0;
4594
4595 /* Validate firmware image by checking version. */
e315cd28 4596 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 4597 for (i = 0; i < 4; i++)
4598 dcode[i] = be32_to_cpu(dcode[i]);
4599 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4600 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4601 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4602 dcode[3] == 0)) {
4603 qla_printk(KERN_WARNING, ha,
4604 "Unable to verify integrity of flash firmware image!\n");
4605 qla_printk(KERN_WARNING, ha,
4606 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4607 dcode[1], dcode[2], dcode[3]);
4608
4609 return QLA_FUNCTION_FAILED;
4610 }
4611
4612 while (segments && rval == QLA_SUCCESS) {
4613 /* Read segment's load information. */
e315cd28 4614 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 4615
4616 risc_addr = be32_to_cpu(dcode[2]);
4617 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4618 risc_size = be32_to_cpu(dcode[3]);
4619
4620 fragment = 0;
4621 while (risc_size > 0 && rval == QLA_SUCCESS) {
4622 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4623 if (dlen > risc_size)
4624 dlen = risc_size;
4625
4626 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4627 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 4628 vha->host_no, risc_addr, dlen, faddr));
d1c61909 4629
e315cd28 4630 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 4631 for (i = 0; i < dlen; i++)
4632 dcode[i] = swab32(dcode[i]);
4633
73208dfd 4634 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 4635 dlen);
4636 if (rval) {
4637 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4638 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 4639 fragment));
4640 qla_printk(KERN_WARNING, ha,
4641 "[ERROR] Failed to load segment %d of "
4642 "firmware\n", fragment);
4643 break;
4644 }
4645
4646 faddr += dlen;
4647 risc_addr += dlen;
4648 risc_size -= dlen;
4649 fragment++;
4650 }
4651
4652 /* Next segment. */
4653 segments--;
4654 }
4655
4656 return rval;
4657}
4658
d1c61909
AV		 4659#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4660
0107109e 4661int
e315cd28 4662qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 4663{
4664 int rval;
4665 int i, fragment;
4666 uint16_t *wcode, *fwcode;
4667 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4668 struct fw_blob *blob;
e315cd28 4669 struct qla_hw_data *ha = vha->hw;
73208dfd 4670 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 4671
4672 /* Load firmware blob. */
e315cd28 4673 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4674 if (!blob) {
4675 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4676 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4677 "from: " QLA_FW_URL ".\n");
5433383e
AV		 4678 return QLA_FUNCTION_FAILED;
4679 }
4680
4681 rval = QLA_SUCCESS;
4682
73208dfd 4683 wcode = (uint16_t *)req->ring;
5433383e
AV		 4684 *srisc_addr = 0;
4685 fwcode = (uint16_t *)blob->fw->data;
4686 fwclen = 0;
4687
4688 /* Validate firmware image by checking version. */
4689 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4690 qla_printk(KERN_WARNING, ha,
4691 "Unable to verify integrity of firmware image (%Zd)!\n",
4692 blob->fw->size);
4693 goto fail_fw_integrity;
4694 }
4695 for (i = 0; i < 4; i++)
4696 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4697 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4698 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4699 wcode[2] == 0 && wcode[3] == 0)) {
4700 qla_printk(KERN_WARNING, ha,
4701 "Unable to verify integrity of firmware image!\n");
4702 qla_printk(KERN_WARNING, ha,
4703 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4704 wcode[1], wcode[2], wcode[3]);
4705 goto fail_fw_integrity;
4706 }
4707
4708 seg = blob->segs;
4709 while (*seg && rval == QLA_SUCCESS) {
4710 risc_addr = *seg;
4711 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4712 risc_size = be16_to_cpu(fwcode[3]);
4713
4714 /* Validate firmware image size. */
4715 fwclen += risc_size * sizeof(uint16_t);
4716 if (blob->fw->size < fwclen) {
4717 qla_printk(KERN_WARNING, ha,
4718 "Unable to verify integrity of firmware image "
4719 "(%Zd)!\n", blob->fw->size);
4720 goto fail_fw_integrity;
4721 }
4722
4723 fragment = 0;
4724 while (risc_size > 0 && rval == QLA_SUCCESS) {
4725 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4726 if (wlen > risc_size)
4727 wlen = risc_size;
4728
4729 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4730 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 4731 risc_addr, wlen));
4732
4733 for (i = 0; i < wlen; i++)
4734 wcode[i] = swab16(fwcode[i]);
4735
73208dfd 4736 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 4737 wlen);
4738 if (rval) {
4739 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4740 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 4741 fragment));
4742 qla_printk(KERN_WARNING, ha,
4743 "[ERROR] Failed to load segment %d of "
4744 "firmware\n", fragment);
4745 break;
4746 }
4747
4748 fwcode += wlen;
4749 risc_addr += wlen;
4750 risc_size -= wlen;
4751 fragment++;
4752 }
4753
4754 /* Next segment. */
4755 seg++;
4756 }
4757 return rval;
4758
4759fail_fw_integrity:
4760 return QLA_FUNCTION_FAILED;
4761}
4762
eaac30be
AV		 4763static int
4764qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4765{
4766 int rval;
4767 int segments, fragment;
4768 uint32_t *dcode, dlen;
4769 uint32_t risc_addr;
4770 uint32_t risc_size;
4771 uint32_t i;
5433383e 4772 struct fw_blob *blob;
0107109e 4773 uint32_t *fwcode, fwclen;
e315cd28 4774 struct qla_hw_data *ha = vha->hw;
73208dfd 4775 struct req_que *req = ha->req_q_map[0];
0107109e 4776
5433383e 4777 /* Load firmware blob. */
e315cd28 4778 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4779 if (!blob) {
4780 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4781 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4782 "from: " QLA_FW_URL ".\n");
4783
eaac30be 4784 return QLA_FUNCTION_FAILED;
0107109e
AV		 4785 }
4786
eaac30be
AV		 4787 qla_printk(KERN_INFO, ha,
4788 "FW: Loading via request-firmware...\n");
4789
0107109e
AV		 4790 rval = QLA_SUCCESS;
4791
4792 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4793 dcode = (uint32_t *)req->ring;
0107109e 4794 *srisc_addr = 0;
5433383e 4795 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4796 fwclen = 0;
4797
4798 /* Validate firmware image by checking version. */
5433383e 4799 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4800 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4801 "Unable to verify integrity of firmware image (%Zd)!\n",
4802 blob->fw->size);
0107109e
AV		 4803 goto fail_fw_integrity;
4804 }
4805 for (i = 0; i < 4; i++)
4806 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4807 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4808 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4809 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4810 dcode[3] == 0)) {
4811 qla_printk(KERN_WARNING, ha,
5433383e 4812 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4813 qla_printk(KERN_WARNING, ha,
4814 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4815 dcode[1], dcode[2], dcode[3]);
4816 goto fail_fw_integrity;
4817 }
4818
4819 while (segments && rval == QLA_SUCCESS) {
4820 risc_addr = be32_to_cpu(fwcode[2]);
4821 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4822 risc_size = be32_to_cpu(fwcode[3]);
4823
4824 /* Validate firmware image size. */
4825 fwclen += risc_size * sizeof(uint32_t);
5433383e 4826 if (blob->fw->size < fwclen) {
0107109e 4827 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4828 "Unable to verify integrity of firmware image "
4829 "(%Zd)!\n", blob->fw->size);
4830
0107109e
AV		 4831 goto fail_fw_integrity;
4832 }
4833
4834 fragment = 0;
4835 while (risc_size > 0 && rval == QLA_SUCCESS) {
4836 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4837 if (dlen > risc_size)
4838 dlen = risc_size;
4839
4840 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4841 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4842 risc_addr, dlen));
4843
4844 for (i = 0; i < dlen; i++)
4845 dcode[i] = swab32(fwcode[i]);
4846
73208dfd 4847 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4848 dlen);
0107109e
AV		 4849 if (rval) {
4850 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4851 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4852 fragment));
4853 qla_printk(KERN_WARNING, ha,
4854 "[ERROR] Failed to load segment %d of "
4855 "firmware\n", fragment);
4856 break;
4857 }
4858
4859 fwcode += dlen;
4860 risc_addr += dlen;
4861 risc_size -= dlen;
4862 fragment++;
4863 }
4864
4865 /* Next segment. */
4866 segments--;
4867 }
0107109e
AV		 4868 return rval;
4869
4870fail_fw_integrity:
0107109e 4871 return QLA_FUNCTION_FAILED;
0107109e 4872}
18c6c127 4873
eaac30be
AV		 4874int
4875qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4876{
4877 int rval;
4878
e337d907
AV		 4879 if (ql2xfwloadbin == 1)
4880 return qla81xx_load_risc(vha, srisc_addr);
4881
eaac30be
AV		 4882 /*
4883 * FW Load priority:
4884 * 1) Firmware via request-firmware interface (.bin file).
4885 * 2) Firmware residing in flash.
4886 */
4887 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4888 if (rval == QLA_SUCCESS)
4889 return rval;
4890
cbc8eb67
AV		 4891 return qla24xx_load_risc_flash(vha, srisc_addr,
4892 vha->hw->flt_region_fw);
eaac30be
AV		 4893}
4894
4895int
4896qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4897{
4898 int rval;
cbc8eb67 4899 struct qla_hw_data *ha = vha->hw;
eaac30be 4900
e337d907 4901 if (ql2xfwloadbin == 2)
cbc8eb67 4902 goto try_blob_fw;
e337d907 4903
eaac30be
AV		 4904 /*
4905 * FW Load priority:
4906 * 1) Firmware residing in flash.
4907 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4908 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4909 */
cbc8eb67 4910 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4911 if (rval == QLA_SUCCESS)
4912 return rval;
4913
cbc8eb67
AV		 4914try_blob_fw:
4915 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4916 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4917 return rval;
4918
4919 qla_printk(KERN_ERR, ha,
4920 "FW: Attempting to fallback to golden firmware...\n");
4921 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4922 if (rval != QLA_SUCCESS)
4923 return rval;
4924
4925 qla_printk(KERN_ERR, ha,
4926 "FW: Please update operational firmware...\n");
4927 ha->flags.running_gold_fw = 1;
4928
4929 return rval;
eaac30be
AV		 4930}
4931
18c6c127 4932void
e315cd28 4933qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4934{
4935 int ret, retries;
e315cd28 4936 struct qla_hw_data *ha = vha->hw;
18c6c127 4937
85880801
AV		 4938 if (ha->flags.pci_channel_io_perm_failure)
4939 return;
e428924c 4940 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4941 return;
75edf81d
AV		 4942 if (!ha->fw_major_version)
4943 return;
18c6c127 4944
e315cd28 4945 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4946 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4947 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4948 ha->isp_ops->reset_chip(vha);
4949 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4950 continue;
e315cd28 4951 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4952 continue;
4953 qla_printk(KERN_INFO, ha,
4954 "Attempting retry of stop-firmware command...\n");
e315cd28 4955 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4956 }
4957}
2c3dfe3f
SJ		 4958
4959int
e315cd28 4960qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4961{
4962 int rval = QLA_SUCCESS;
4963 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4964 struct qla_hw_data *ha = vha->hw;
4965 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4966 struct req_que *req;
4967 struct rsp_que *rsp;
2c3dfe3f 4968
e315cd28 4969 if (!vha->vp_idx)
2c3dfe3f
SJ		 4970 return -EINVAL;
4971
e315cd28 4972 rval = qla2x00_fw_ready(base_vha);
7163ea81 4973 if (ha->flags.cpu_affinity_enabled)
67c2e93a
AC		 4974 req = ha->req_q_map[0];
4975 else
4976 req = vha->req;
4977 rsp = req->rsp;
4978
2c3dfe3f 4979 if (rval == QLA_SUCCESS) {
e315cd28 4980 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4981 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4982 }
4983
e315cd28 4984 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4985
4986 /* Login to SNS first */
e315cd28 4987 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4988 if (mb[0] != MBS_COMMAND_COMPLETE) {
4989 DEBUG15(qla_printk(KERN_INFO, ha,
4990 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4991 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4992 mb[0], mb[1], mb[2], mb[6], mb[7]));
4993 return (QLA_FUNCTION_FAILED);
4994 }
4995
e315cd28
AC		 4996 atomic_set(&vha->loop_down_timer, 0);
4997 atomic_set(&vha->loop_state, LOOP_UP);
4998 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4999 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5000 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 5001
5002 return rval;
5003}
4d4df193
HK		 5004
5005/* 84XX Support **************************************************************/
5006
5007static LIST_HEAD(qla_cs84xx_list);
5008static DEFINE_MUTEX(qla_cs84xx_mutex);
5009
5010static struct qla_chip_state_84xx *
e315cd28 5011qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 5012{
5013 struct qla_chip_state_84xx *cs84xx;
e315cd28 5014 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5015
5016 mutex_lock(&qla_cs84xx_mutex);
5017
5018 /* Find any shared 84xx chip. */
5019 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5020 if (cs84xx->bus == ha->pdev->bus) {
5021 kref_get(&cs84xx->kref);
5022 goto done;
5023 }
5024 }
5025
5026 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5027 if (!cs84xx)
5028 goto done;
5029
5030 kref_init(&cs84xx->kref);
5031 spin_lock_init(&cs84xx->access_lock);
5032 mutex_init(&cs84xx->fw_update_mutex);
5033 cs84xx->bus = ha->pdev->bus;
5034
5035 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5036done:
5037 mutex_unlock(&qla_cs84xx_mutex);
5038 return cs84xx;
5039}
5040
5041static void
5042__qla84xx_chip_release(struct kref *kref)
5043{
5044 struct qla_chip_state_84xx *cs84xx =
5045 container_of(kref, struct qla_chip_state_84xx, kref);
5046
5047 mutex_lock(&qla_cs84xx_mutex);
5048 list_del(&cs84xx->list);
5049 mutex_unlock(&qla_cs84xx_mutex);
5050 kfree(cs84xx);
5051}
5052
5053void
e315cd28 5054qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 5055{
e315cd28 5056 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5057 if (ha->cs84xx)
5058 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5059}
5060
5061static int
e315cd28 5062qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 5063{
5064 int rval;
5065 uint16_t status[2];
e315cd28 5066 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5067
5068 mutex_lock(&ha->cs84xx->fw_update_mutex);
5069
e315cd28 5070 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 5071
5072 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5073
5074 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5075 QLA_SUCCESS;
5076}
3a03eb79
AV		 5077
5078/* 81XX Support **************************************************************/
5079
5080int
5081qla81xx_nvram_config(scsi_qla_host_t *vha)
5082{
5083 int rval;
5084 struct init_cb_81xx *icb;
5085 struct nvram_81xx *nv;
5086 uint32_t *dptr;
5087 uint8_t *dptr1, *dptr2;
5088 uint32_t chksum;
5089 uint16_t cnt;
5090 struct qla_hw_data *ha = vha->hw;
5091
5092 rval = QLA_SUCCESS;
5093 icb = (struct init_cb_81xx *)ha->init_cb;
5094 nv = ha->nvram;
5095
5096 /* Determine NVRAM starting address. */
5097 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 5098 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 5099
5100 /* Get VPD data into cache */
5101 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 5102 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5103 ha->vpd_size);
3a03eb79
AV		 5104
5105 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 5106 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 5107 ha->nvram_size);
3d79038f 5108 dptr = (uint32_t *)nv;
3a03eb79
AV		 5109 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5110 chksum += le32_to_cpu(*dptr++);
5111
7640335e 5112 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 5113 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5114
5115 /* Bad NVRAM data, set defaults parameters. */
5116 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5117 || nv->id[3] != ' ' ||
5118 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5119 /* Reset NVRAM data. */
5120 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5121 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5122 le16_to_cpu(nv->nvram_version));
5123 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5124 "invalid -- WWPN) defaults.\n");
5125
5126 /*
5127 * Set default initialization control block.
5128 */
5129 memset(nv, 0, ha->nvram_size);
5130 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5131 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5132 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5133 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5134 nv->exchange_count = __constant_cpu_to_le16(0);
5135 nv->port_name[0] = 0x21;
e5b68a61 5136 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 5137 nv->port_name[2] = 0x00;
5138 nv->port_name[3] = 0xe0;
5139 nv->port_name[4] = 0x8b;
5140 nv->port_name[5] = 0x1c;
5141 nv->port_name[6] = 0x55;
5142 nv->port_name[7] = 0x86;
5143 nv->node_name[0] = 0x20;
5144 nv->node_name[1] = 0x00;
5145 nv->node_name[2] = 0x00;
5146 nv->node_name[3] = 0xe0;
5147 nv->node_name[4] = 0x8b;
5148 nv->node_name[5] = 0x1c;
5149 nv->node_name[6] = 0x55;
5150 nv->node_name[7] = 0x86;
5151 nv->login_retry_count = __constant_cpu_to_le16(8);
5152 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5153 nv->login_timeout = __constant_cpu_to_le16(0);
5154 nv->firmware_options_1 =
5155 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5156 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5157 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5158 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5159 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5160 nv->efi_parameters = __constant_cpu_to_le32(0);
5161 nv->reset_delay = 5;
5162 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5163 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5164 nv->link_down_timeout = __constant_cpu_to_le16(30);
eeebcc92 5165 nv->enode_mac[0] = 0x00;
3a03eb79
AV		 5166 nv->enode_mac[1] = 0x02;
5167 nv->enode_mac[2] = 0x03;
5168 nv->enode_mac[3] = 0x04;
5169 nv->enode_mac[4] = 0x05;
e5b68a61 5170 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5171
5172 rval = 1;
5173 }
5174
5175 /* Reset Initialization control block */
5176 memset(icb, 0, sizeof(struct init_cb_81xx));
5177
5178 /* Copy 1st segment. */
5179 dptr1 = (uint8_t *)icb;
5180 dptr2 = (uint8_t *)&nv->version;
5181 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5182 while (cnt--)
5183 *dptr1++ = *dptr2++;
5184
5185 icb->login_retry_count = nv->login_retry_count;
5186
5187 /* Copy 2nd segment. */
5188 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5189 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5190 cnt = (uint8_t *)&icb->reserved_5 -
5191 (uint8_t *)&icb->interrupt_delay_timer;
5192 while (cnt--)
5193 *dptr1++ = *dptr2++;
5194
5195 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5196 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5197 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5198 icb->enode_mac[0] = 0x01;
5199 icb->enode_mac[1] = 0x02;
5200 icb->enode_mac[2] = 0x03;
5201 icb->enode_mac[3] = 0x04;
5202 icb->enode_mac[4] = 0x05;
e5b68a61 5203 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5204 }
5205
b64b0e8f
AV		 5206 /* Use extended-initialization control block. */
5207 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5208
3a03eb79
AV		 5209 /*
5210 * Setup driver NVRAM options.
5211 */
5212 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
a9083016 5213 "QLE8XXX");
3a03eb79
AV		 5214
5215 /* Use alternate WWN? */
5216 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5217 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5218 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5219 }
5220
5221 /* Prepare nodename */
5222 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5223 /*
5224 * Firmware will apply the following mask if the nodename was
5225 * not provided.
5226 */
5227 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5228 icb->node_name[0] &= 0xF0;
5229 }
5230
5231 /* Set host adapter parameters. */
5232 ha->flags.disable_risc_code_load = 0;
5233 ha->flags.enable_lip_reset = 0;
5234 ha->flags.enable_lip_full_login =
5235 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5236 ha->flags.enable_target_reset =
5237 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5238 ha->flags.enable_led_scheme = 0;
5239 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5240
5241 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5242 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5243
5244 /* save HBA serial number */
5245 ha->serial0 = icb->port_name[5];
5246 ha->serial1 = icb->port_name[6];
5247 ha->serial2 = icb->port_name[7];
5248 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5249 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5250
5251 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5252
5253 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5254
5255 /* Set minimum login_timeout to 4 seconds. */
5256 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5257 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5258 if (le16_to_cpu(nv->login_timeout) < 4)
5259 nv->login_timeout = __constant_cpu_to_le16(4);
5260 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5261 icb->login_timeout = nv->login_timeout;
5262
5263 /* Set minimum RATOV to 100 tenths of a second. */
5264 ha->r_a_tov = 100;
5265
5266 ha->loop_reset_delay = nv->reset_delay;
5267
5268 /* Link Down Timeout = 0:
5269 *
5270 * When Port Down timer expires we will start returning
5271 * I/O's to OS with "DID_NO_CONNECT".
5272 *
5273 * Link Down Timeout != 0:
5274 *
5275 * The driver waits for the link to come up after link down
5276 * before returning I/Os to OS with "DID_NO_CONNECT".
5277 */
5278 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5279 ha->loop_down_abort_time =
5280 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5281 } else {
5282 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5283 ha->loop_down_abort_time =
5284 (LOOP_DOWN_TIME - ha->link_down_timeout);
5285 }
5286
5287 /* Need enough time to try and get the port back. */
5288 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5289 if (qlport_down_retry)
5290 ha->port_down_retry_count = qlport_down_retry;
5291
5292 /* Set login_retry_count */
5293 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5294 if (ha->port_down_retry_count ==
5295 le16_to_cpu(nv->port_down_retry_count) &&
5296 ha->port_down_retry_count > 3)
5297 ha->login_retry_count = ha->port_down_retry_count;
5298 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5299 ha->login_retry_count = ha->port_down_retry_count;
5300 if (ql2xloginretrycount)
5301 ha->login_retry_count = ql2xloginretrycount;
5302
5303 /* Enable ZIO. */
5304 if (!vha->flags.init_done) {
5305 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5306 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5307 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5308 le16_to_cpu(icb->interrupt_delay_timer): 2;
5309 }
5310 icb->firmware_options_2 &= __constant_cpu_to_le32(
5311 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5312 vha->flags.process_response_queue = 0;
5313 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5314 ha->zio_mode = QLA_ZIO_MODE_6;
5315
5316 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5317 "(%d us).\n", vha->host_no, ha->zio_mode,
5318 ha->zio_timer * 100));
5319 qla_printk(KERN_INFO, ha,
5320 "ZIO mode %d enabled; timer delay (%d us).\n",
5321 ha->zio_mode, ha->zio_timer * 100);
5322
5323 icb->firmware_options_2 |= cpu_to_le32(
5324 (uint32_t)ha->zio_mode);
5325 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5326 vha->flags.process_response_queue = 1;
5327 }
5328
5329 if (rval) {
5330 DEBUG2_3(printk(KERN_WARNING
5331 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5332 }
5333 return (rval);
5334}
5335
a9083016
GM		 5336int
5337qla82xx_restart_isp(scsi_qla_host_t *vha)
5338{
5339 int status, rval;
5340 uint32_t wait_time;
5341 struct qla_hw_data *ha = vha->hw;
5342 struct req_que *req = ha->req_q_map[0];
5343 struct rsp_que *rsp = ha->rsp_q_map[0];
5344 struct scsi_qla_host *vp;
feafb7b1 5345 unsigned long flags;
a9083016
GM		 5346
5347 status = qla2x00_init_rings(vha);
5348 if (!status) {
5349 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5350 ha->flags.chip_reset_done = 1;
5351
5352 status = qla2x00_fw_ready(vha);
5353 if (!status) {
5354 qla_printk(KERN_INFO, ha,
5355 "%s(): Start configure loop, "
5356 "status = %d\n", __func__, status);
5357
5358 /* Issue a marker after FW becomes ready. */
5359 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5360
5361 vha->flags.online = 1;
5362 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5363 wait_time = 256;
5364 do {
5365 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5366 qla2x00_configure_loop(vha);
5367 wait_time--;
5368 } while (!atomic_read(&vha->loop_down_timer) &&
5369 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5370 wait_time &&
5371 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5372 }
5373
5374 /* if no cable then assume it's good */
5375 if ((vha->device_flags & DFLG_NO_CABLE))
5376 status = 0;
5377
5378 qla_printk(KERN_INFO, ha,
5379 "%s(): Configure loop done, status = 0x%x\n",
5380 __func__, status);
5381 }
5382
5383 if (!status) {
5384 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5385
5386 if (!atomic_read(&vha->loop_down_timer)) {
5387 /*
5388 * Issue marker command only when we are going
5389 * to start the I/O .
5390 */
5391 vha->marker_needed = 1;
5392 }
5393
5394 vha->flags.online = 1;
5395
5396 ha->isp_ops->enable_intrs(ha);
5397
5398 ha->isp_abort_cnt = 0;
5399 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5400
5401 if (ha->fce) {
5402 ha->flags.fce_enabled = 1;
5403 memset(ha->fce, 0,
5404 fce_calc_size(ha->fce_bufs));
5405 rval = qla2x00_enable_fce_trace(vha,
5406 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5407 &ha->fce_bufs);
5408 if (rval) {
5409 qla_printk(KERN_WARNING, ha,
5410 "Unable to reinitialize FCE "
5411 "(%d).\n", rval);
5412 ha->flags.fce_enabled = 0;
5413 }
5414 }
5415
5416 if (ha->eft) {
5417 memset(ha->eft, 0, EFT_SIZE);
5418 rval = qla2x00_enable_eft_trace(vha,
5419 ha->eft_dma, EFT_NUM_BUFFERS);
5420 if (rval) {
5421 qla_printk(KERN_WARNING, ha,
5422 "Unable to reinitialize EFT "
5423 "(%d).\n", rval);
5424 }
5425 }
a9083016
GM		 5426 }
5427
5428 if (!status) {
5429 DEBUG(printk(KERN_INFO
5430 "qla82xx_restart_isp(%ld): succeeded.\n",
5431 vha->host_no));
feafb7b1
AE		 5432
5433 spin_lock_irqsave(&ha->vport_slock, flags);
5434 list_for_each_entry(vp, &ha->vp_list, list) {
5435 if (vp->vp_idx) {
5436 atomic_inc(&vp->vref_count);
5437 spin_unlock_irqrestore(&ha->vport_slock, flags);
5438
a9083016 5439 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 5440
5441 spin_lock_irqsave(&ha->vport_slock, flags);
5442 atomic_dec(&vp->vref_count);
5443 }
a9083016 5444 }
feafb7b1
AE		 5445 spin_unlock_irqrestore(&ha->vport_slock, flags);
5446
a9083016
GM		 5447 } else {
5448 qla_printk(KERN_INFO, ha,
5449 "qla82xx_restart_isp: **** FAILED ****\n");
5450 }
5451
5452 return status;
5453}
5454
3a03eb79 5455void
ae97c91e 5456qla81xx_update_fw_options(scsi_qla_host_t *vha)
3a03eb79 5457{
ae97c91e
AV		 5458 struct qla_hw_data *ha = vha->hw;
5459
5460 if (!ql2xetsenable)
5461 return;
5462
5463 /* Enable ETS Burst. */
5464 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5465 ha->fw_options[2] |= BIT_9;
5466 qla2x00_set_fw_options(vha, ha->fw_options);
3a03eb79 5467}
09ff701a
SR		 5468
5469/*
5470 * qla24xx_get_fcp_prio
5471 * Gets the fcp cmd priority value for the logged in port.
5472 * Looks for a match of the port descriptors within
5473 * each of the fcp prio config entries. If a match is found,
5474 * the tag (priority) value is returned.
5475 *
5476 * Input:
21090cbe 5477 * vha = scsi host structure pointer.
09ff701a
SR		 5478 * fcport = port structure pointer.
5479 *
5480 * Return:
6c452a45 5481 * non-zero (if found)
09ff701a
SR		 5482 * 0 (if not found)
5483 *
5484 * Context:
5485 * Kernel context
5486 */
5487uint8_t
5488qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5489{
5490 int i, entries;
5491 uint8_t pid_match, wwn_match;
5492 uint8_t priority;
5493 uint32_t pid1, pid2;
5494 uint64_t wwn1, wwn2;
5495 struct qla_fcp_prio_entry *pri_entry;
5496 struct qla_hw_data *ha = vha->hw;
5497
5498 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5499 return 0;
5500
5501 priority = 0;
5502 entries = ha->fcp_prio_cfg->num_entries;
5503 pri_entry = &ha->fcp_prio_cfg->entry[0];
5504
5505 for (i = 0; i < entries; i++) {
5506 pid_match = wwn_match = 0;
5507
5508 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5509 pri_entry++;
5510 continue;
5511 }
5512
5513 /* check source pid for a match */
5514 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5515 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5516 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5517 if (pid1 == INVALID_PORT_ID)
5518 pid_match++;
5519 else if (pid1 == pid2)
5520 pid_match++;
5521 }
5522
5523 /* check destination pid for a match */
5524 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5525 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5526 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5527 if (pid1 == INVALID_PORT_ID)
5528 pid_match++;
5529 else if (pid1 == pid2)
5530 pid_match++;
5531 }
5532
5533 /* check source WWN for a match */
5534 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5535 wwn1 = wwn_to_u64(vha->port_name);
5536 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5537 if (wwn2 == (uint64_t)-1)
5538 wwn_match++;
5539 else if (wwn1 == wwn2)
5540 wwn_match++;
5541 }
5542
5543 /* check destination WWN for a match */
5544 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5545 wwn1 = wwn_to_u64(fcport->port_name);
5546 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5547 if (wwn2 == (uint64_t)-1)
5548 wwn_match++;
5549 else if (wwn1 == wwn2)
5550 wwn_match++;
5551 }
5552
5553 if (pid_match == 2 || wwn_match == 2) {
5554 /* Found a matching entry */
5555 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5556 priority = pri_entry->tag;
5557 break;
5558 }
5559
5560 pri_entry++;
5561 }
5562
5563 return priority;
5564}
5565
5566/*
5567 * qla24xx_update_fcport_fcp_prio
5568 * Activates fcp priority for the logged in fc port
5569 *
5570 * Input:
21090cbe 5571 * vha = scsi host structure pointer.
09ff701a
SR		 5572 * fcp = port structure pointer.
5573 *
5574 * Return:
5575 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5576 *
5577 * Context:
5578 * Kernel context.
5579 */
5580int
21090cbe 5581qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
09ff701a
SR		 5582{
5583 int ret;
5584 uint8_t priority;
5585 uint16_t mb[5];
5586
21090cbe
MI		 5587 if (fcport->port_type != FCT_TARGET ||
5588 fcport->loop_id == FC_NO_LOOP_ID)
09ff701a
SR		 5589 return QLA_FUNCTION_FAILED;
5590
21090cbe
MI		 5591 priority = qla24xx_get_fcp_prio(vha, fcport);
5592 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
09ff701a
SR		 5593 if (ret == QLA_SUCCESS)
5594 fcport->fcp_prio = priority;
5595 else
5596 DEBUG2(printk(KERN_WARNING
5597 "scsi(%ld): Unable to activate fcp priority, "
21090cbe 5598 " ret=0x%x\n", vha->host_no, ret));
09ff701a
SR		 5599
5600 return ret;
5601}
5602
5603/*
5604 * qla24xx_update_all_fcp_prio
5605 * Activates fcp priority for all the logged in ports
5606 *
5607 * Input:
5608 * ha = adapter block pointer.
5609 *
5610 * Return:
5611 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5612 *
5613 * Context:
5614 * Kernel context.
5615 */
5616int
5617qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5618{
5619 int ret;
5620 fc_port_t *fcport;
5621
5622 ret = QLA_FUNCTION_FAILED;
5623 /* We need to set priority for all logged in ports */
5624 list_for_each_entry(fcport, &vha->vp_fcports, list)
5625 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5626
5627 return ret;
5628}
Linux kernel - Deliverables
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