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[SCSI] qla2xxx: Propagate block-layer tags on submitted I/Os.
[mirror_ubuntu-bionic-kernel.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;
794a5691 501 ha->flags.thermal_supported = 1;
e315cd28
AC		 502 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
503 atomic_set(&vha->loop_state, LOOP_DOWN);
504 vha->device_flags = DFLG_NO_CABLE;
505 vha->dpc_flags = 0;
506 vha->flags.management_server_logged_in = 0;
507 vha->marker_needed = 0;
1da177e4
LT		 508 ha->isp_abort_cnt = 0;
509 ha->beacon_blink_led = 0;
510
73208dfd
AC		 511 set_bit(0, ha->req_qid_map);
512 set_bit(0, ha->rsp_qid_map);
513
0107109e 514 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
e315cd28 515 rval = ha->isp_ops->pci_config(vha);
1da177e4 516 if (rval) {
7c98a046 517 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
e315cd28 518 vha->host_no));
1da177e4
LT		 519 return (rval);
520 }
521
e315cd28 522 ha->isp_ops->reset_chip(vha);
1da177e4 523
e315cd28 524 rval = qla2xxx_get_flash_info(vha);
c00d8994
AV		 525 if (rval) {
526 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
e315cd28 527 vha->host_no));
c00d8994
AV		 528 return (rval);
529 }
530
73208dfd 531 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 532
1da177e4 533 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 534
e315cd28 535 ha->isp_ops->nvram_config(vha);
1da177e4 536
d4c760c2
AV		 537 if (ha->flags.disable_serdes) {
538 /* Mask HBA via NVRAM settings? */
539 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
540 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
e315cd28
AC		 541 vha->port_name[0], vha->port_name[1],
542 vha->port_name[2], vha->port_name[3],
543 vha->port_name[4], vha->port_name[5],
544 vha->port_name[6], vha->port_name[7]);
d4c760c2
AV		 545 return QLA_FUNCTION_FAILED;
546 }
547
1da177e4
LT		 548 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
549
e315cd28
AC		 550 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
551 rval = ha->isp_ops->chip_diag(vha);
d19044c3
AV		 552 if (rval)
553 return (rval);
e315cd28 554 rval = qla2x00_setup_chip(vha);
d19044c3
AV		 555 if (rval)
556 return (rval);
1da177e4 557 }
a9083016 558
4d4df193 559 if (IS_QLA84XX(ha)) {
e315cd28 560 ha->cs84xx = qla84xx_get_chip(vha);
4d4df193
HK		 561 if (!ha->cs84xx) {
562 qla_printk(KERN_ERR, ha,
563 "Unable to configure ISP84XX.\n");
564 return QLA_FUNCTION_FAILED;
565 }
566 }
e315cd28 567 rval = qla2x00_init_rings(vha);
2533cf67 568 ha->flags.chip_reset_done = 1;
1da177e4 569
9a069e19 570 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
6c452a45 571 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
9a069e19
GM		 572 rval = qla84xx_init_chip(vha);
573 if (rval != QLA_SUCCESS) {
574 qla_printk(KERN_ERR, ha,
575 "Unable to initialize ISP84XX.\n");
576 qla84xx_put_chip(vha);
577 }
578 }
579
2f0f3f4f
MI		 580 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
581 qla24xx_read_fcp_prio_cfg(vha);
09ff701a 582
1da177e4
LT		 583 return (rval);
584}
585
586/**
abbd8870 587 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 588 * @ha: HA context
589 *
590 * Returns 0 on success.
591 */
abbd8870 592int
e315cd28 593qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 594{
a157b101 595 uint16_t w;
abbd8870 596 unsigned long flags;
e315cd28 597 struct qla_hw_data *ha = vha->hw;
3d71644c 598 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 599
1da177e4 600 pci_set_master(ha->pdev);
af6177d8 601 pci_try_set_mwi(ha->pdev);
1da177e4 602
1da177e4 603 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 604 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 605 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
606
737faece 607 pci_disable_rom(ha->pdev);
1da177e4
LT		 608
609 /* Get PCI bus information. */
610 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 611 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 612 spin_unlock_irqrestore(&ha->hardware_lock, flags);
613
abbd8870
AV		 614 return QLA_SUCCESS;
615}
1da177e4 616
abbd8870
AV		 617/**
618 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
619 * @ha: HA context
620 *
621 * Returns 0 on success.
622 */
623int
e315cd28 624qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 625{
a157b101 626 uint16_t w;
abbd8870
AV		 627 unsigned long flags = 0;
628 uint32_t cnt;
e315cd28 629 struct qla_hw_data *ha = vha->hw;
3d71644c 630 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 631
abbd8870 632 pci_set_master(ha->pdev);
af6177d8 633 pci_try_set_mwi(ha->pdev);
1da177e4 634
abbd8870 635 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 636 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 637
abbd8870
AV		 638 if (IS_QLA2322(ha) || IS_QLA6322(ha))
639 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 640 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 641
abbd8870
AV		 642 /*
643 * If this is a 2300 card and not 2312, reset the
644 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
645 * the 2310 also reports itself as a 2300 so we need to get the
646 * fb revision level -- a 6 indicates it really is a 2300 and
647 * not a 2310.
648 */
649 if (IS_QLA2300(ha)) {
650 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 651
abbd8870 652 /* Pause RISC. */
3d71644c 653 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 654 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 655 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 656 break;
1da177e4 657
abbd8870
AV		 658 udelay(10);
659 }
1da177e4 660
abbd8870 661 /* Select FPM registers. */
3d71644c
AV		 662 WRT_REG_WORD(&reg->ctrl_status, 0x20);
663 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 664
665 /* Get the fb rev level */
3d71644c 666 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 667
668 if (ha->fb_rev == FPM_2300)
a157b101 669 pci_clear_mwi(ha->pdev);
abbd8870
AV		 670
671 /* Deselect FPM registers. */
3d71644c
AV		 672 WRT_REG_WORD(&reg->ctrl_status, 0x0);
673 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 674
675 /* Release RISC module. */
3d71644c 676 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 677 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 678 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 679 break;
680
681 udelay(10);
1da177e4 682 }
1da177e4 683
abbd8870
AV		 684 spin_unlock_irqrestore(&ha->hardware_lock, flags);
685 }
1da177e4 686
abbd8870
AV		 687 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
688
737faece 689 pci_disable_rom(ha->pdev);
1da177e4 690
abbd8870
AV		 691 /* Get PCI bus information. */
692 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 693 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
696 return QLA_SUCCESS;
1da177e4
LT		 697}
698
0107109e
AV		 699/**
700 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
701 * @ha: HA context
702 *
703 * Returns 0 on success.
704 */
705int
e315cd28 706qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 707{
a157b101 708 uint16_t w;
0107109e 709 unsigned long flags = 0;
e315cd28 710 struct qla_hw_data *ha = vha->hw;
0107109e 711 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 712
713 pci_set_master(ha->pdev);
af6177d8 714 pci_try_set_mwi(ha->pdev);
0107109e
AV		 715
716 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 717 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 718 w &= ~PCI_COMMAND_INTX_DISABLE;
719 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
720
721 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
722
723 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 724 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
725 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 726
727 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 728 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
729 pcie_set_readrq(ha->pdev, 2048);
0107109e 730
737faece 731 pci_disable_rom(ha->pdev);
0107109e 732
44c10138 733 ha->chip_revision = ha->pdev->revision;
a8488abe 734
0107109e
AV		 735 /* Get PCI bus information. */
736 spin_lock_irqsave(&ha->hardware_lock, flags);
737 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
739
740 return QLA_SUCCESS;
741}
742
c3a2f0df
AV		 743/**
744 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
745 * @ha: HA context
746 *
747 * Returns 0 on success.
748 */
749int
e315cd28 750qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 751{
752 uint16_t w;
e315cd28 753 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 754
755 pci_set_master(ha->pdev);
756 pci_try_set_mwi(ha->pdev);
757
758 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
759 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
760 w &= ~PCI_COMMAND_INTX_DISABLE;
761 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
762
763 /* PCIe -- adjust Maximum Read Request Size (2048). */
764 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
765 pcie_set_readrq(ha->pdev, 2048);
766
737faece 767 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 768
769 ha->chip_revision = ha->pdev->revision;
770
771 return QLA_SUCCESS;
772}
773
1da177e4
LT		 774/**
775 * qla2x00_isp_firmware() - Choose firmware image.
776 * @ha: HA context
777 *
778 * Returns 0 on success.
779 */
780static int
e315cd28 781qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 782{
783 int rval;
42e421b1
AV		 784 uint16_t loop_id, topo, sw_cap;
785 uint8_t domain, area, al_pa;
e315cd28 786 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 787
788 /* Assume loading risc code */
fa2a1ce5 789 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 790
791 if (ha->flags.disable_risc_code_load) {
792 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 793 vha->host_no));
1da177e4
LT		 794 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
795
796 /* Verify checksum of loaded RISC code. */
e315cd28 797 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 798 if (rval == QLA_SUCCESS) {
799 /* And, verify we are not in ROM code. */
e315cd28 800 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 801 &area, &domain, &topo, &sw_cap);
802 }
1da177e4
LT		 803 }
804
805 if (rval) {
806 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 807 vha->host_no));
1da177e4
LT		 808 }
809
810 return (rval);
811}
812
813/**
814 * qla2x00_reset_chip() - Reset ISP chip.
815 * @ha: HA context
816 *
817 * Returns 0 on success.
818 */
abbd8870 819void
e315cd28 820qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 821{
822 unsigned long flags = 0;
e315cd28 823 struct qla_hw_data *ha = vha->hw;
3d71644c 824 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 825 uint32_t cnt;
1da177e4
LT		 826 uint16_t cmd;
827
85880801
AV		 828 if (unlikely(pci_channel_offline(ha->pdev)))
829 return;
830
fd34f556 831 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 832
833 spin_lock_irqsave(&ha->hardware_lock, flags);
834
835 /* Turn off master enable */
836 cmd = 0;
837 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
838 cmd &= ~PCI_COMMAND_MASTER;
839 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
840
841 if (!IS_QLA2100(ha)) {
842 /* Pause RISC. */
843 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
844 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
845 for (cnt = 0; cnt < 30000; cnt++) {
846 if ((RD_REG_WORD(&reg->hccr) &
847 HCCR_RISC_PAUSE) != 0)
848 break;
849 udelay(100);
850 }
851 } else {
852 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
853 udelay(10);
854 }
855
856 /* Select FPM registers. */
857 WRT_REG_WORD(&reg->ctrl_status, 0x20);
858 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
859
860 /* FPM Soft Reset. */
861 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
862 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
863
864 /* Toggle Fpm Reset. */
865 if (!IS_QLA2200(ha)) {
866 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
867 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
868 }
869
870 /* Select frame buffer registers. */
871 WRT_REG_WORD(&reg->ctrl_status, 0x10);
872 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
873
874 /* Reset frame buffer FIFOs. */
875 if (IS_QLA2200(ha)) {
876 WRT_FB_CMD_REG(ha, reg, 0xa000);
877 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
878 } else {
879 WRT_FB_CMD_REG(ha, reg, 0x00fc);
880
881 /* Read back fb_cmd until zero or 3 seconds max */
882 for (cnt = 0; cnt < 3000; cnt++) {
883 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
884 break;
885 udelay(100);
886 }
887 }
888
889 /* Select RISC module registers. */
890 WRT_REG_WORD(&reg->ctrl_status, 0);
891 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
892
893 /* Reset RISC processor. */
894 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
895 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
896
897 /* Release RISC processor. */
898 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
899 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
900 }
901
902 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
903 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
904
905 /* Reset ISP chip. */
906 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
907
908 /* Wait for RISC to recover from reset. */
909 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
910 /*
911 * It is necessary to for a delay here since the card doesn't
912 * respond to PCI reads during a reset. On some architectures
913 * this will result in an MCA.
914 */
915 udelay(20);
916 for (cnt = 30000; cnt; cnt--) {
917 if ((RD_REG_WORD(&reg->ctrl_status) &
918 CSR_ISP_SOFT_RESET) == 0)
919 break;
920 udelay(100);
921 }
922 } else
923 udelay(10);
924
925 /* Reset RISC processor. */
926 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
927
928 WRT_REG_WORD(&reg->semaphore, 0);
929
930 /* Release RISC processor. */
931 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
932 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
933
934 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
935 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 936 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 937 break;
1da177e4
LT		 938
939 udelay(100);
940 }
941 } else
942 udelay(100);
943
944 /* Turn on master enable */
945 cmd |= PCI_COMMAND_MASTER;
946 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
947
948 /* Disable RISC pause on FPM parity error. */
949 if (!IS_QLA2100(ha)) {
950 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
951 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
952 }
953
954 spin_unlock_irqrestore(&ha->hardware_lock, flags);
955}
956
b1d46989
MI		 957/**
958 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
959 *
960 * Returns 0 on success.
961 */
962int
963qla81xx_reset_mpi(scsi_qla_host_t *vha)
964{
965 uint16_t mb[4] = {0x1010, 0, 1, 0};
966
967 return qla81xx_write_mpi_register(vha, mb);
968}
969
0107109e 970/**
88c26663 971 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 972 * @ha: HA context
973 *
974 * Returns 0 on success.
975 */
88c26663 976static inline void
e315cd28 977qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e
AV		 978{
979 unsigned long flags = 0;
e315cd28 980 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 981 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
982 uint32_t cnt, d2;
335a1cc9 983 uint16_t wd;
b1d46989 984 static int abts_cnt; /* ISP abort retry counts */
0107109e 985
0107109e
AV		 986 spin_lock_irqsave(&ha->hardware_lock, flags);
987
988 /* Reset RISC. */
989 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
990 for (cnt = 0; cnt < 30000; cnt++) {
991 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
992 break;
993
994 udelay(10);
995 }
996
997 WRT_REG_DWORD(&reg->ctrl_status,
998 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 999 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 1000
335a1cc9 1001 udelay(100);
88c26663 1002 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 1003 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1004 for (cnt = 10000 ; cnt && d2; cnt--) {
1005 udelay(5);
1006 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1007 barrier();
1008 }
1009
335a1cc9 1010 /* Wait for soft-reset to complete. */
0107109e
AV		 1011 d2 = RD_REG_DWORD(&reg->ctrl_status);
1012 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1013 udelay(5);
1014 d2 = RD_REG_DWORD(&reg->ctrl_status);
1015 barrier();
1016 }
1017
b1d46989
MI		 1018 /* If required, do an MPI FW reset now */
1019 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1020 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1021 if (++abts_cnt < 5) {
1022 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1023 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1024 } else {
1025 /*
1026 * We exhausted the ISP abort retries. We have to
1027 * set the board offline.
1028 */
1029 abts_cnt = 0;
1030 vha->flags.online = 0;
1031 }
1032 }
1033 }
1034
0107109e
AV		 1035 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1036 RD_REG_DWORD(&reg->hccr);
1037
1038 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1039 RD_REG_DWORD(&reg->hccr);
1040
1041 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1042 RD_REG_DWORD(&reg->hccr);
1043
1044 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1045 for (cnt = 6000000 ; cnt && d2; cnt--) {
1046 udelay(5);
1047 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1048 barrier();
1049 }
1050
1051 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 1052
1053 if (IS_NOPOLLING_TYPE(ha))
1054 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 1055}
1056
88c26663
AV		 1057/**
1058 * qla24xx_reset_chip() - Reset ISP24xx chip.
1059 * @ha: HA context
1060 *
1061 * Returns 0 on success.
1062 */
1063void
e315cd28 1064qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 1065{
e315cd28 1066 struct qla_hw_data *ha = vha->hw;
85880801
AV		 1067
1068 if (pci_channel_offline(ha->pdev) &&
1069 ha->flags.pci_channel_io_perm_failure) {
1070 return;
1071 }
1072
fd34f556 1073 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 1074
1075 /* Perform RISC reset. */
e315cd28 1076 qla24xx_reset_risc(vha);
88c26663
AV		 1077}
1078
1da177e4
LT		 1079/**
1080 * qla2x00_chip_diag() - Test chip for proper operation.
1081 * @ha: HA context
1082 *
1083 * Returns 0 on success.
1084 */
abbd8870 1085int
e315cd28 1086qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 1087{
1088 int rval;
e315cd28 1089 struct qla_hw_data *ha = vha->hw;
3d71644c 1090 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1091 unsigned long flags = 0;
1092 uint16_t data;
1093 uint32_t cnt;
1094 uint16_t mb[5];
73208dfd 1095 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 1096
1097 /* Assume a failed state */
1098 rval = QLA_FUNCTION_FAILED;
1099
1100 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 1101 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 1102
1103 spin_lock_irqsave(&ha->hardware_lock, flags);
1104
1105 /* Reset ISP chip. */
1106 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1107
1108 /*
1109 * We need to have a delay here since the card will not respond while
1110 * in reset causing an MCA on some architectures.
1111 */
1112 udelay(20);
1113 data = qla2x00_debounce_register(&reg->ctrl_status);
1114 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1115 udelay(5);
1116 data = RD_REG_WORD(&reg->ctrl_status);
1117 barrier();
1118 }
1119
1120 if (!cnt)
1121 goto chip_diag_failed;
1122
1123 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
7640335e 1124 vha->host_no));
1da177e4
LT		 1125
1126 /* Reset RISC processor. */
1127 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1128 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1129
1130 /* Workaround for QLA2312 PCI parity error */
1131 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1132 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1133 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1134 udelay(5);
1135 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 1136 barrier();
1da177e4
LT		 1137 }
1138 } else
1139 udelay(10);
1140
1141 if (!cnt)
1142 goto chip_diag_failed;
1143
1144 /* Check product ID of chip */
7640335e 1145 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1da177e4
LT		 1146
1147 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1148 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1149 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1150 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1151 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1152 mb[3] != PROD_ID_3) {
1153 qla_printk(KERN_WARNING, ha,
1154 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1155
1156 goto chip_diag_failed;
1157 }
1158 ha->product_id[0] = mb[1];
1159 ha->product_id[1] = mb[2];
1160 ha->product_id[2] = mb[3];
1161 ha->product_id[3] = mb[4];
1162
1163 /* Adjust fw RISC transfer size */
73208dfd 1164 if (req->length > 1024)
1da177e4
LT		 1165 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1166 else
1167 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 1168 req->length;
1da177e4
LT		 1169
1170 if (IS_QLA2200(ha) &&
1171 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1172 /* Limit firmware transfer size with a 2200A */
1173 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 1174 vha->host_no));
1da177e4 1175
ea5b6382 1176 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 1177 ha->fw_transfer_size = 128;
1178 }
1179
1180 /* Wrap Incoming Mailboxes Test. */
1181 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1182
e315cd28
AC		 1183 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1184 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 1185 if (rval) {
1186 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1187 vha->host_no));
1da177e4
LT		 1188 qla_printk(KERN_WARNING, ha,
1189 "Failed mailbox send register test\n");
1190 }
1191 else {
1192 /* Flag a successful rval */
1193 rval = QLA_SUCCESS;
1194 }
1195 spin_lock_irqsave(&ha->hardware_lock, flags);
1196
1197chip_diag_failed:
1198 if (rval)
1199 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 1200 "****\n", vha->host_no));
1da177e4
LT		 1201
1202 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1203
1204 return (rval);
1205}
1206
0107109e
AV		 1207/**
1208 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1209 * @ha: HA context
1210 *
1211 * Returns 0 on success.
1212 */
1213int
e315cd28 1214qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 1215{
1216 int rval;
e315cd28 1217 struct qla_hw_data *ha = vha->hw;
73208dfd 1218 struct req_que *req = ha->req_q_map[0];
0107109e 1219
a9083016
GM		 1220 if (IS_QLA82XX(ha))
1221 return QLA_SUCCESS;
1222
73208dfd 1223 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 1224
e315cd28 1225 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 1226 if (rval) {
1227 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1228 vha->host_no));
0107109e
AV		 1229 qla_printk(KERN_WARNING, ha,
1230 "Failed mailbox send register test\n");
1231 } else {
1232 /* Flag a successful rval */
1233 rval = QLA_SUCCESS;
1234 }
1235
1236 return rval;
1237}
1238
a7a167bf 1239void
e315cd28 1240qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 1241{
a7a167bf
AV		 1242 int rval;
1243 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 1244 eft_size, fce_size, mq_size;
df613b96
AV		 1245 dma_addr_t tc_dma;
1246 void *tc;
e315cd28 1247 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1248 struct req_que *req = ha->req_q_map[0];
1249 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 1250
1251 if (ha->fw_dump) {
1252 qla_printk(KERN_WARNING, ha,
1253 "Firmware dump previously allocated.\n");
1254 return;
1255 }
d4e3e04d 1256
0107109e 1257 ha->fw_dumped = 0;
73208dfd 1258 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 1259 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 1260 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 1261 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 1262 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1263 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1264 sizeof(uint16_t);
e428924c 1265 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 1266 if (IS_QLA81XX(ha))
1267 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1268 else if (IS_QLA25XX(ha))
1269 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1270 else
1271 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 1272 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1273 sizeof(uint32_t);
73208dfd
AC		 1274 if (ha->mqenable)
1275 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 1276 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 1277 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 1278 goto try_eft;
df613b96
AV		 1279
1280 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1281 GFP_KERNEL);
1282 if (!tc) {
1283 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1284 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 1285 goto try_eft;
df613b96
AV		 1286 }
1287
1288 memset(tc, 0, FCE_SIZE);
e315cd28 1289 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 1290 ha->fce_mb, &ha->fce_bufs);
1291 if (rval) {
1292 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1293 "FCE (%d).\n", rval);
1294 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1295 tc_dma);
1296 ha->flags.fce_enabled = 0;
17d98630 1297 goto try_eft;
df613b96
AV		 1298 }
1299
1300 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1301 FCE_SIZE / 1024);
1302
7d9dade3 1303 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 1304 ha->flags.fce_enabled = 1;
1305 ha->fce_dma = tc_dma;
1306 ha->fce = tc;
436a7b11
AV		 1307try_eft:
1308 /* Allocate memory for Extended Trace Buffer. */
1309 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1310 GFP_KERNEL);
1311 if (!tc) {
1312 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1313 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1314 goto cont_alloc;
1315 }
1316
1317 memset(tc, 0, EFT_SIZE);
e315cd28 1318 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 1319 if (rval) {
1320 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1321 "EFT (%d).\n", rval);
1322 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1323 tc_dma);
1324 goto cont_alloc;
1325 }
1326
1327 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1328 EFT_SIZE / 1024);
1329
1330 eft_size = EFT_SIZE;
1331 ha->eft_dma = tc_dma;
1332 ha->eft = tc;
d4e3e04d 1333 }
a7a167bf 1334cont_alloc:
73208dfd
AC		 1335 req_q_size = req->length * sizeof(request_t);
1336 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 1337
1338 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 1339 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 1340 ha->chain_offset = dump_size;
1341 dump_size += mq_size + fce_size;
d4e3e04d
AV		 1342
1343 ha->fw_dump = vmalloc(dump_size);
a7a167bf 1344 if (!ha->fw_dump) {
0107109e 1345 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 1346 "firmware dump!!!\n", dump_size / 1024);
a7a167bf 1347
e30d1756
MI		 1348 if (ha->fce) {
1349 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1350 ha->fce_dma);
1351 ha->fce = NULL;
1352 ha->fce_dma = 0;
1353 }
1354
a7a167bf
AV		 1355 if (ha->eft) {
1356 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1357 ha->eft_dma);
1358 ha->eft = NULL;
1359 ha->eft_dma = 0;
1360 }
1361 return;
1362 }
a7a167bf
AV		 1363 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1364 dump_size / 1024);
1365
1366 ha->fw_dump_len = dump_size;
1367 ha->fw_dump->signature[0] = 'Q';
1368 ha->fw_dump->signature[1] = 'L';
1369 ha->fw_dump->signature[2] = 'G';
1370 ha->fw_dump->signature[3] = 'C';
1371 ha->fw_dump->version = __constant_htonl(1);
1372
1373 ha->fw_dump->fixed_size = htonl(fixed_size);
1374 ha->fw_dump->mem_size = htonl(mem_size);
1375 ha->fw_dump->req_q_size = htonl(req_q_size);
1376 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1377
1378 ha->fw_dump->eft_size = htonl(eft_size);
1379 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1380 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1381
1382 ha->fw_dump->header_size =
1383 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 1384}
1385
18e7555a
AV		 1386static int
1387qla81xx_mpi_sync(scsi_qla_host_t *vha)
1388{
1389#define MPS_MASK 0xe0
1390 int rval;
1391 uint16_t dc;
1392 uint32_t dw;
1393 struct qla_hw_data *ha = vha->hw;
1394
1395 if (!IS_QLA81XX(vha->hw))
1396 return QLA_SUCCESS;
1397
1398 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1399 if (rval != QLA_SUCCESS) {
1400 DEBUG2(qla_printk(KERN_WARNING, ha,
1401 "Sync-MPI: Unable to acquire semaphore.\n"));
1402 goto done;
1403 }
1404
1405 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1406 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1407 if (rval != QLA_SUCCESS) {
1408 DEBUG2(qla_printk(KERN_WARNING, ha,
1409 "Sync-MPI: Unable to read sync.\n"));
1410 goto done_release;
1411 }
1412
1413 dc &= MPS_MASK;
1414 if (dc == (dw & MPS_MASK))
1415 goto done_release;
1416
1417 dw &= ~MPS_MASK;
1418 dw |= dc;
1419 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1420 if (rval != QLA_SUCCESS) {
1421 DEBUG2(qla_printk(KERN_WARNING, ha,
1422 "Sync-MPI: Unable to gain sync.\n"));
1423 }
1424
1425done_release:
1426 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1427 if (rval != QLA_SUCCESS) {
1428 DEBUG2(qla_printk(KERN_WARNING, ha,
1429 "Sync-MPI: Unable to release semaphore.\n"));
1430 }
1431
1432done:
1433 return rval;
1434}
1435
1da177e4
LT		 1436/**
1437 * qla2x00_setup_chip() - Load and start RISC firmware.
1438 * @ha: HA context
1439 *
1440 * Returns 0 on success.
1441 */
1442static int
e315cd28 1443qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 1444{
0107109e
AV		 1445 int rval;
1446 uint32_t srisc_address = 0;
e315cd28 1447 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 1448 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1449 unsigned long flags;
dda772e8 1450 uint16_t fw_major_version;
3db0652e 1451
a9083016
GM		 1452 if (IS_QLA82XX(ha)) {
1453 rval = ha->isp_ops->load_risc(vha, &srisc_address);
14e303d9
AV		 1454 if (rval == QLA_SUCCESS) {
1455 qla2x00_stop_firmware(vha);
a9083016 1456 goto enable_82xx_npiv;
14e303d9 1457 } else
b963752f 1458 goto failed;
a9083016
GM		 1459 }
1460
3db0652e
AV		 1461 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1462 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1463 spin_lock_irqsave(&ha->hardware_lock, flags);
1464 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1465 RD_REG_WORD(&reg->hccr);
1466 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1467 }
1da177e4 1468
18e7555a
AV		 1469 qla81xx_mpi_sync(vha);
1470
1da177e4 1471 /* Load firmware sequences */
e315cd28 1472 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 1473 if (rval == QLA_SUCCESS) {
1da177e4 1474 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 1475 "code.\n", vha->host_no));
1da177e4 1476
e315cd28 1477 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 1478 if (rval == QLA_SUCCESS) {
1479 /* Start firmware execution. */
1480 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 1481 "firmware.\n", vha->host_no));
1da177e4 1482
e315cd28 1483 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 1484 /* Retrieve firmware information. */
dda772e8 1485 if (rval == QLA_SUCCESS) {
a9083016 1486enable_82xx_npiv:
dda772e8 1487 fw_major_version = ha->fw_major_version;
ca9e9c3e 1488 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 1489 &ha->fw_major_version,
1490 &ha->fw_minor_version,
1491 &ha->fw_subminor_version,
3a03eb79 1492 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 1493 ha->mpi_version, &ha->mpi_capabilities,
1494 ha->phy_version);
ca9e9c3e
AV		 1495 if (rval != QLA_SUCCESS)
1496 goto failed;
2c3dfe3f 1497 ha->flags.npiv_supported = 0;
e315cd28 1498 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 1499 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 1500 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 1501 if ((!ha->max_npiv_vports) ||
1502 ((ha->max_npiv_vports + 1) %
eb66dc60 1503 MIN_MULTI_ID_FABRIC))
4d0ea247 1504 ha->max_npiv_vports =
eb66dc60 1505 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 1506 }
24a08138
AV		 1507 qla2x00_get_resource_cnts(vha, NULL,
1508 &ha->fw_xcb_count, NULL, NULL,
f3a0a77e 1509 &ha->max_npiv_vports, NULL);
d743de66 1510
a9083016
GM		 1511 if (!fw_major_version && ql2xallocfwdump) {
1512 if (!IS_QLA82XX(ha))
1513 qla2x00_alloc_fw_dump(vha);
1514 }
1da177e4
LT		 1515 }
1516 } else {
1517 DEBUG2(printk(KERN_INFO
1518 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 1519 vha->host_no));
1da177e4
LT		 1520 }
1521 }
1522
3db0652e
AV		 1523 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1524 /* Enable proper parity. */
1525 spin_lock_irqsave(&ha->hardware_lock, flags);
1526 if (IS_QLA2300(ha))
1527 /* SRAM parity */
1528 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1529 else
1530 /* SRAM, Instruction RAM and GP RAM parity */
1531 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1532 RD_REG_WORD(&reg->hccr);
1533 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1534 }
1535
1d2874de
JC		 1536 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1537 uint32_t size;
1538
1539 rval = qla81xx_fac_get_sector_size(vha, &size);
1540 if (rval == QLA_SUCCESS) {
1541 ha->flags.fac_supported = 1;
1542 ha->fdt_block_size = size << 2;
1543 } else {
1544 qla_printk(KERN_ERR, ha,
1545 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1546 ha->fw_major_version, ha->fw_minor_version,
1547 ha->fw_subminor_version);
1548 }
1549 }
ca9e9c3e 1550failed:
1da177e4
LT		 1551 if (rval) {
1552 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 1553 vha->host_no));
1da177e4
LT		 1554 }
1555
1556 return (rval);
1557}
1558
1559/**
1560 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1561 * @ha: HA context
1562 *
1563 * Beginning of request ring has initialization control block already built
1564 * by nvram config routine.
1565 *
1566 * Returns 0 on success.
1567 */
73208dfd
AC		 1568void
1569qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1570{
1571 uint16_t cnt;
1572 response_t *pkt;
1573
2afa19a9
AC		 1574 rsp->ring_ptr = rsp->ring;
1575 rsp->ring_index = 0;
1576 rsp->status_srb = NULL;
e315cd28
AC		 1577 pkt = rsp->ring_ptr;
1578 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1579 pkt->signature = RESPONSE_PROCESSED;
1580 pkt++;
1581 }
1da177e4
LT		 1582}
1583
1584/**
1585 * qla2x00_update_fw_options() - Read and process firmware options.
1586 * @ha: HA context
1587 *
1588 * Returns 0 on success.
1589 */
abbd8870 1590void
e315cd28 1591qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1592{
1593 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1594 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1595
1596 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1597 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1598
1599 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1600 return;
1601
1602 /* Serial Link options. */
1603 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1604 vha->host_no));
1da177e4
LT		 1605 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1606 sizeof(ha->fw_seriallink_options)));
1607
1608 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1609 if (ha->fw_seriallink_options[3] & BIT_2) {
1610 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1611
1612 /* 1G settings */
1613 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1614 emphasis = (ha->fw_seriallink_options[2] &
1615 (BIT_4 | BIT_3)) >> 3;
1616 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1617 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1618 rx_sens = (ha->fw_seriallink_options[0] &
1619 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1620 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1621 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1622 if (rx_sens == 0x0)
1623 rx_sens = 0x3;
1624 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1625 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1626 ha->fw_options[10] |= BIT_5 |
1627 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1628 (tx_sens & (BIT_1 | BIT_0));
1629
1630 /* 2G settings */
1631 swing = (ha->fw_seriallink_options[2] &
1632 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1633 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1634 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1635 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1636 rx_sens = (ha->fw_seriallink_options[1] &
1637 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1638 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1639 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1640 if (rx_sens == 0x0)
1641 rx_sens = 0x3;
1642 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1643 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1644 ha->fw_options[11] |= BIT_5 |
1645 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1646 (tx_sens & (BIT_1 | BIT_0));
1647 }
1648
1649 /* FCP2 options. */
1650 /* Return command IOCBs without waiting for an ABTS to complete. */
1651 ha->fw_options[3] |= BIT_13;
1652
1653 /* LED scheme. */
1654 if (ha->flags.enable_led_scheme)
1655 ha->fw_options[2] |= BIT_12;
1656
48c02fde
AV		 1657 /* Detect ISP6312. */
1658 if (IS_QLA6312(ha))
1659 ha->fw_options[2] |= BIT_13;
1660
1da177e4 1661 /* Update firmware options. */
e315cd28 1662 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1663}
1664
0107109e 1665void
e315cd28 1666qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1667{
1668 int rval;
e315cd28 1669 struct qla_hw_data *ha = vha->hw;
0107109e 1670
a9083016
GM		 1671 if (IS_QLA82XX(ha))
1672 return;
1673
0107109e 1674 /* Update Serial Link options. */
f94097ed 1675 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1676 return;
1677
e315cd28 1678 rval = qla2x00_set_serdes_params(vha,
f94097ed
AV		 1679 le16_to_cpu(ha->fw_seriallink_options24[1]),
1680 le16_to_cpu(ha->fw_seriallink_options24[2]),
1681 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1682 if (rval != QLA_SUCCESS) {
1683 qla_printk(KERN_WARNING, ha,
1684 "Unable to update Serial Link options (%x).\n", rval);
1685 }
1686}
1687
abbd8870 1688void
e315cd28 1689qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1690{
e315cd28 1691 struct qla_hw_data *ha = vha->hw;
3d71644c 1692 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1693 struct req_que *req = ha->req_q_map[0];
1694 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1695
1696 /* Setup ring parameters in initialization control block. */
1697 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1698 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1699 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1700 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1701 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1702 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1703 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1704 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1705
1706 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1707 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1708 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1709 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1710 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1711}
1712
0107109e 1713void
e315cd28 1714qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1715{
e315cd28 1716 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1717 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1718 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1719 struct qla_msix_entry *msix;
0107109e 1720 struct init_cb_24xx *icb;
73208dfd
AC		 1721 uint16_t rid = 0;
1722 struct req_que *req = ha->req_q_map[0];
1723 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1724
73208dfd 1725/* Setup ring parameters in initialization control block. */
0107109e
AV		 1726 icb = (struct init_cb_24xx *)ha->init_cb;
1727 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1728 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1729 icb->request_q_length = cpu_to_le16(req->length);
1730 icb->response_q_length = cpu_to_le16(rsp->length);
1731 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1732 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1733 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1734 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1735
73208dfd
AC		 1736 if (ha->mqenable) {
1737 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1738 icb->rid = __constant_cpu_to_le16(rid);
1739 if (ha->flags.msix_enabled) {
1740 msix = &ha->msix_entries[1];
1741 DEBUG2_17(printk(KERN_INFO
2afa19a9 1742 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1743 icb->msix = cpu_to_le16(msix->entry);
1744 }
1745 /* Use alternate PCI bus number */
1746 if (MSB(rid))
1747 icb->firmware_options_2 |=
1748 __constant_cpu_to_le32(BIT_19);
1749 /* Use alternate PCI devfn */
1750 if (LSB(rid))
1751 icb->firmware_options_2 |=
1752 __constant_cpu_to_le32(BIT_18);
1753
3155754a
AC		 1754 /* Use Disable MSIX Handshake mode for capable adapters */
1755 if (IS_MSIX_NACK_CAPABLE(ha)) {
1756 icb->firmware_options_2 &=
1757 __constant_cpu_to_le32(~BIT_22);
1758 ha->flags.disable_msix_handshake = 1;
1759 qla_printk(KERN_INFO, ha,
1760 "MSIX Handshake Disable Mode turned on\n");
1761 } else {
1762 icb->firmware_options_2 |=
1763 __constant_cpu_to_le32(BIT_22);
1764 }
73208dfd 1765 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1766
1767 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1768 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1769 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1770 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1771 } else {
1772 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1773 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1774 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1775 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1776 }
1777 /* PCI posting */
1778 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1779}
1780
1da177e4
LT		 1781/**
1782 * qla2x00_init_rings() - Initializes firmware.
1783 * @ha: HA context
1784 *
1785 * Beginning of request ring has initialization control block already built
1786 * by nvram config routine.
1787 *
1788 * Returns 0 on success.
1789 */
1790static int
e315cd28 1791qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1792{
1793 int rval;
1794 unsigned long flags = 0;
29bdccbe 1795 int cnt, que;
e315cd28 1796 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1797 struct req_que *req;
1798 struct rsp_que *rsp;
1799 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1800 struct mid_init_cb_24xx *mid_init_cb =
1801 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1802
1803 spin_lock_irqsave(&ha->hardware_lock, flags);
1804
1805 /* Clear outstanding commands array. */
2afa19a9 1806 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1807 req = ha->req_q_map[que];
1808 if (!req)
1809 continue;
2afa19a9 1810 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1811 req->outstanding_cmds[cnt] = NULL;
1da177e4 1812
2afa19a9 1813 req->current_outstanding_cmd = 1;
1da177e4 1814
29bdccbe
AC		 1815 /* Initialize firmware. */
1816 req->ring_ptr = req->ring;
1817 req->ring_index = 0;
1818 req->cnt = req->length;
1819 }
1da177e4 1820
2afa19a9 1821 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1822 rsp = ha->rsp_q_map[que];
1823 if (!rsp)
1824 continue;
29bdccbe
AC		 1825 /* Initialize response queue entries */
1826 qla2x00_init_response_q_entries(rsp);
1827 }
1da177e4 1828
542bce1f 1829 spin_lock(&ha->vport_slock);
29bdccbe
AC		 1830 /* Clear RSCN queue. */
1831 list_for_each_entry(vp, &ha->vp_list, list) {
1832 vp->rscn_in_ptr = 0;
1833 vp->rscn_out_ptr = 0;
1834 }
feafb7b1 1835
542bce1f 1836 spin_unlock(&ha->vport_slock);
feafb7b1 1837
e315cd28 1838 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1839
1840 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1841
1842 /* Update any ISP specific firmware options before initialization. */
e315cd28 1843 ha->isp_ops->update_fw_options(vha);
1da177e4 1844
e315cd28 1845 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1846
605aa2bc
LC		 1847 if (ha->flags.npiv_supported) {
1848 if (ha->operating_mode == LOOP)
1849 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1850 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1851 }
1852
24a08138
AV		 1853 if (IS_FWI2_CAPABLE(ha)) {
1854 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1855 mid_init_cb->init_cb.execution_throttle =
1856 cpu_to_le16(ha->fw_xcb_count);
1857 }
2c3dfe3f 1858
e315cd28 1859 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1860 if (rval) {
1861 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1862 vha->host_no));
1da177e4
LT		 1863 } else {
1864 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1865 vha->host_no));
1da177e4
LT		 1866 }
1867
1868 return (rval);
1869}
1870
1871/**
1872 * qla2x00_fw_ready() - Waits for firmware ready.
1873 * @ha: HA context
1874 *
1875 * Returns 0 on success.
1876 */
1877static int
e315cd28 1878qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1879{
1880 int rval;
4d4df193 1881 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1882 uint16_t min_wait; /* Minimum wait time if loop is down */
1883 uint16_t wait_time; /* Wait time if loop is coming ready */
656e8912 1884 uint16_t state[5];
e315cd28 1885 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1886
1887 rval = QLA_SUCCESS;
1888
1889 /* 20 seconds for loop down. */
fa2a1ce5 1890 min_wait = 20;
1da177e4
LT		 1891
1892 /*
1893 * Firmware should take at most one RATOV to login, plus 5 seconds for
1894 * our own processing.
1895 */
1896 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1897 wait_time = min_wait;
1898 }
1899
1900 /* Min wait time if loop down */
1901 mtime = jiffies + (min_wait * HZ);
1902
1903 /* wait time before firmware ready */
1904 wtime = jiffies + (wait_time * HZ);
1905
1906 /* Wait for ISP to finish LIP */
e315cd28 1907 if (!vha->flags.init_done)
1da177e4
LT		 1908 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1909
1910 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1911 vha->host_no));
1da177e4
LT		 1912
1913 do {
e315cd28 1914 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1915 if (rval == QLA_SUCCESS) {
4d4df193 1916 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1917 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1918 }
4d4df193
HK		 1919 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1920 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1921 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1922 state[2]));
1923 if ((state[2] & FSTATE_LOGGED_IN) &&
1924 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1925 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1926 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1927
1928 cs84xx_time = jiffies;
e315cd28 1929 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1930 if (rval != QLA_SUCCESS)
1931 break;
1932
1933 /* Add time taken to initialize. */
1934 cs84xx_time = jiffies - cs84xx_time;
1935 wtime += cs84xx_time;
1936 mtime += cs84xx_time;
1937 DEBUG16(printk("scsi(%ld): Increasing "
1938 "wait time by %ld. New time %ld\n",
e315cd28 1939 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1940 }
1941 } else if (state[0] == FSTATE_READY) {
1da177e4 1942 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1943 vha->host_no));
1da177e4 1944
e315cd28 1945 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1946 &ha->login_timeout, &ha->r_a_tov);
1947
1948 rval = QLA_SUCCESS;
1949 break;
1950 }
1951
1952 rval = QLA_FUNCTION_FAILED;
1953
e315cd28 1954 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1955 state[0] != FSTATE_READY) {
1da177e4 1956 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1957 * other than Wait for Login.
1958 */
1da177e4
LT		 1959 if (time_after_eq(jiffies, mtime)) {
1960 qla_printk(KERN_INFO, ha,
1961 "Cable is unplugged...\n");
1962
e315cd28 1963 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1964 break;
1965 }
1966 }
1967 } else {
1968 /* Mailbox cmd failed. Timeout on min_wait. */
cdbb0a4f 1969 if (time_after_eq(jiffies, mtime) ||
7190575f 1970 ha->flags.isp82xx_fw_hung)
1da177e4
LT		 1971 break;
1972 }
1973
1974 if (time_after_eq(jiffies, wtime))
1975 break;
1976
1977 /* Delay for a while */
1978 msleep(500);
1979
1980 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1981 vha->host_no, state[0], jiffies));
1da177e4
LT		 1982 } while (1);
1983
656e8912
AV		 1984 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1985 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1986 jiffies));
1da177e4
LT		 1987
1988 if (rval) {
1989 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1990 vha->host_no));
1da177e4
LT		 1991 }
1992
1993 return (rval);
1994}
1995
1996/*
1997* qla2x00_configure_hba
1998* Setup adapter context.
1999*
2000* Input:
2001* ha = adapter state pointer.
2002*
2003* Returns:
2004* 0 = success
2005*
2006* Context:
2007* Kernel context.
2008*/
2009static int
e315cd28 2010qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 2011{
2012 int rval;
2013 uint16_t loop_id;
2014 uint16_t topo;
2c3dfe3f 2015 uint16_t sw_cap;
1da177e4
LT		 2016 uint8_t al_pa;
2017 uint8_t area;
2018 uint8_t domain;
2019 char connect_type[22];
e315cd28 2020 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2021
2022 /* Get host addresses. */
e315cd28 2023 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 2024 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 2025 if (rval != QLA_SUCCESS) {
e315cd28 2026 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
7a44b86e 2027 IS_QLA8XXX_TYPE(ha) ||
33135aa2
RA		 2028 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2029 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 2030 __func__, vha->host_no));
33135aa2
RA		 2031 } else {
2032 qla_printk(KERN_WARNING, ha,
2033 "ERROR -- Unable to get host loop ID.\n");
e315cd28 2034 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 2035 }
1da177e4
LT		 2036 return (rval);
2037 }
2038
2039 if (topo == 4) {
2040 qla_printk(KERN_INFO, ha,
2041 "Cannot get topology - retrying.\n");
2042 return (QLA_FUNCTION_FAILED);
2043 }
2044
e315cd28 2045 vha->loop_id = loop_id;
1da177e4
LT		 2046
2047 /* initialize */
2048 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2049 ha->operating_mode = LOOP;
2c3dfe3f 2050 ha->switch_cap = 0;
1da177e4
LT		 2051
2052 switch (topo) {
2053 case 0:
2054 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 2055 vha->host_no));
1da177e4
LT		 2056 ha->current_topology = ISP_CFG_NL;
2057 strcpy(connect_type, "(Loop)");
2058 break;
2059
2060 case 1:
2061 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 2062 vha->host_no));
2c3dfe3f 2063 ha->switch_cap = sw_cap;
1da177e4
LT		 2064 ha->current_topology = ISP_CFG_FL;
2065 strcpy(connect_type, "(FL_Port)");
2066 break;
2067
2068 case 2:
2069 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 2070 vha->host_no));
1da177e4
LT		 2071 ha->operating_mode = P2P;
2072 ha->current_topology = ISP_CFG_N;
2073 strcpy(connect_type, "(N_Port-to-N_Port)");
2074 break;
2075
2076 case 3:
2077 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 2078 vha->host_no));
2c3dfe3f 2079 ha->switch_cap = sw_cap;
1da177e4
LT		 2080 ha->operating_mode = P2P;
2081 ha->current_topology = ISP_CFG_F;
2082 strcpy(connect_type, "(F_Port)");
2083 break;
2084
2085 default:
2086 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2087 "Using NL.\n",
e315cd28 2088 vha->host_no, topo));
1da177e4
LT		 2089 ha->current_topology = ISP_CFG_NL;
2090 strcpy(connect_type, "(Loop)");
2091 break;
2092 }
2093
2094 /* Save Host port and loop ID. */
2095 /* byte order - Big Endian */
e315cd28
AC		 2096 vha->d_id.b.domain = domain;
2097 vha->d_id.b.area = area;
2098 vha->d_id.b.al_pa = al_pa;
1da177e4 2099
e315cd28 2100 if (!vha->flags.init_done)
1da177e4
LT		 2101 qla_printk(KERN_INFO, ha,
2102 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 2103 connect_type, vha->loop_id);
1da177e4
LT		 2104
2105 if (rval) {
e315cd28 2106 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 2107 } else {
e315cd28 2108 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 2109 }
2110
2111 return(rval);
2112}
2113
a9083016 2114inline void
e315cd28
AC		 2115qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2116 char *def)
9bb9fcf2
AV		 2117{
2118 char *st, *en;
2119 uint16_t index;
e315cd28 2120 struct qla_hw_data *ha = vha->hw;
ab671149 2121 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
a9083016 2122 !IS_QLA8XXX_TYPE(ha);
9bb9fcf2
AV		 2123
2124 if (memcmp(model, BINZERO, len) != 0) {
2125 strncpy(ha->model_number, model, len);
2126 st = en = ha->model_number;
2127 en += len - 1;
2128 while (en > st) {
2129 if (*en != 0x20 && *en != 0x00)
2130 break;
2131 *en-- = '\0';
2132 }
2133
2134 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2135 if (use_tbl &&
2136 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 2137 index < QLA_MODEL_NAMES)
1ee27146
JC		 2138 strncpy(ha->model_desc,
2139 qla2x00_model_name[index * 2 + 1],
2140 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2141 } else {
2142 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2143 if (use_tbl &&
2144 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 2145 index < QLA_MODEL_NAMES) {
2146 strcpy(ha->model_number,
2147 qla2x00_model_name[index * 2]);
1ee27146
JC		 2148 strncpy(ha->model_desc,
2149 qla2x00_model_name[index * 2 + 1],
2150 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2151 } else {
2152 strcpy(ha->model_number, def);
2153 }
2154 }
1ee27146 2155 if (IS_FWI2_CAPABLE(ha))
e315cd28 2156 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 2157 sizeof(ha->model_desc));
9bb9fcf2
AV		 2158}
2159
4e08df3f
DM		 2160/* On sparc systems, obtain port and node WWN from firmware
2161 * properties.
2162 */
e315cd28 2163static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 2164{
2165#ifdef CONFIG_SPARC
e315cd28 2166 struct qla_hw_data *ha = vha->hw;
4e08df3f 2167 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 2168 struct device_node *dp = pci_device_to_OF_node(pdev);
2169 const u8 *val;
4e08df3f
DM		 2170 int len;
2171
2172 val = of_get_property(dp, "port-wwn", &len);
2173 if (val && len >= WWN_SIZE)
2174 memcpy(nv->port_name, val, WWN_SIZE);
2175
2176 val = of_get_property(dp, "node-wwn", &len);
2177 if (val && len >= WWN_SIZE)
2178 memcpy(nv->node_name, val, WWN_SIZE);
2179#endif
2180}
2181
1da177e4
LT		 2182/*
2183* NVRAM configuration for ISP 2xxx
2184*
2185* Input:
2186* ha = adapter block pointer.
2187*
2188* Output:
2189* initialization control block in response_ring
2190* host adapters parameters in host adapter block
2191*
2192* Returns:
2193* 0 = success.
2194*/
abbd8870 2195int
e315cd28 2196qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 2197{
4e08df3f 2198 int rval;
0107109e
AV		 2199 uint8_t chksum = 0;
2200 uint16_t cnt;
2201 uint8_t *dptr1, *dptr2;
e315cd28 2202 struct qla_hw_data *ha = vha->hw;
0107109e 2203 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 2204 nvram_t *nv = ha->nvram;
2205 uint8_t *ptr = ha->nvram;
3d71644c 2206 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 2207
4e08df3f
DM		 2208 rval = QLA_SUCCESS;
2209
1da177e4 2210 /* Determine NVRAM starting address. */
0107109e 2211 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 2212 ha->nvram_base = 0;
2213 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2214 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2215 ha->nvram_base = 0x80;
2216
2217 /* Get NVRAM data and calculate checksum. */
e315cd28 2218 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 2219 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2220 chksum += *ptr++;
1da177e4 2221
e315cd28 2222 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 2223 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 2224
2225 /* Bad NVRAM data, set defaults parameters. */
2226 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2227 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2228 /* Reset NVRAM data. */
2229 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2230 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2231 nv->nvram_version);
4e08df3f
DM		 2232 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2233 "invalid -- WWPN) defaults.\n");
2234
2235 /*
2236 * Set default initialization control block.
2237 */
2238 memset(nv, 0, ha->nvram_size);
2239 nv->parameter_block_version = ICB_VERSION;
2240
2241 if (IS_QLA23XX(ha)) {
2242 nv->firmware_options[0] = BIT_2 | BIT_1;
2243 nv->firmware_options[1] = BIT_7 | BIT_5;
2244 nv->add_firmware_options[0] = BIT_5;
2245 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2246 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2247 nv->special_options[1] = BIT_7;
2248 } else if (IS_QLA2200(ha)) {
2249 nv->firmware_options[0] = BIT_2 | BIT_1;
2250 nv->firmware_options[1] = BIT_7 | BIT_5;
2251 nv->add_firmware_options[0] = BIT_5;
2252 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2253 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2254 } else if (IS_QLA2100(ha)) {
2255 nv->firmware_options[0] = BIT_3 | BIT_1;
2256 nv->firmware_options[1] = BIT_5;
2257 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2258 }
2259
2260 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2261 nv->execution_throttle = __constant_cpu_to_le16(16);
2262 nv->retry_count = 8;
2263 nv->retry_delay = 1;
2264
2265 nv->port_name[0] = 33;
2266 nv->port_name[3] = 224;
2267 nv->port_name[4] = 139;
2268
e315cd28 2269 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 2270
2271 nv->login_timeout = 4;
2272
2273 /*
2274 * Set default host adapter parameters
2275 */
2276 nv->host_p[1] = BIT_2;
2277 nv->reset_delay = 5;
2278 nv->port_down_retry_count = 8;
2279 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2280 nv->link_down_timeout = 60;
2281
2282 rval = 1;
1da177e4
LT		 2283 }
2284
2285#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2286 /*
2287 * The SN2 does not provide BIOS emulation which means you can't change
2288 * potentially bogus BIOS settings. Force the use of default settings
2289 * for link rate and frame size. Hope that the rest of the settings
2290 * are valid.
2291 */
2292 if (ia64_platform_is("sn2")) {
2293 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2294 if (IS_QLA23XX(ha))
2295 nv->special_options[1] = BIT_7;
2296 }
2297#endif
2298
2299 /* Reset Initialization control block */
0107109e 2300 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 2301
2302 /*
2303 * Setup driver NVRAM options.
2304 */
2305 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2306 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2307 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2308 nv->firmware_options[1] &= ~BIT_4;
2309
2310 if (IS_QLA23XX(ha)) {
2311 nv->firmware_options[0] |= BIT_2;
2312 nv->firmware_options[0] &= ~BIT_3;
5ff1d584 2313 nv->firmware_options[0] &= ~BIT_6;
0107109e 2314 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 2315
2316 if (IS_QLA2300(ha)) {
2317 if (ha->fb_rev == FPM_2310) {
2318 strcpy(ha->model_number, "QLA2310");
2319 } else {
2320 strcpy(ha->model_number, "QLA2300");
2321 }
2322 } else {
e315cd28 2323 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 2324 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 2325 }
2326 } else if (IS_QLA2200(ha)) {
2327 nv->firmware_options[0] |= BIT_2;
2328 /*
2329 * 'Point-to-point preferred, else loop' is not a safe
2330 * connection mode setting.
2331 */
2332 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2333 (BIT_5 | BIT_4)) {
2334 /* Force 'loop preferred, else point-to-point'. */
2335 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2336 nv->add_firmware_options[0] |= BIT_5;
2337 }
2338 strcpy(ha->model_number, "QLA22xx");
2339 } else /*if (IS_QLA2100(ha))*/ {
2340 strcpy(ha->model_number, "QLA2100");
2341 }
2342
2343 /*
2344 * Copy over NVRAM RISC parameter block to initialization control block.
2345 */
2346 dptr1 = (uint8_t *)icb;
2347 dptr2 = (uint8_t *)&nv->parameter_block_version;
2348 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2349 while (cnt--)
2350 *dptr1++ = *dptr2++;
2351
2352 /* Copy 2nd half. */
2353 dptr1 = (uint8_t *)icb->add_firmware_options;
2354 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2355 while (cnt--)
2356 *dptr1++ = *dptr2++;
2357
5341e868
AV		 2358 /* Use alternate WWN? */
2359 if (nv->host_p[1] & BIT_7) {
2360 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2361 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2362 }
2363
1da177e4
LT		 2364 /* Prepare nodename */
2365 if ((icb->firmware_options[1] & BIT_6) == 0) {
2366 /*
2367 * Firmware will apply the following mask if the nodename was
2368 * not provided.
2369 */
2370 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2371 icb->node_name[0] &= 0xF0;
2372 }
2373
2374 /*
2375 * Set host adapter parameters.
2376 */
0181944f 2377 if (nv->host_p[0] & BIT_7)
11010fec 2378 ql2xextended_error_logging = 1;
1da177e4
LT		 2379 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2380 /* Always load RISC code on non ISP2[12]00 chips. */
2381 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2382 ha->flags.disable_risc_code_load = 0;
2383 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2384 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2385 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 2386 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 2387 ha->flags.disable_serdes = 0;
1da177e4
LT		 2388
2389 ha->operating_mode =
2390 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2391
2392 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2393 sizeof(ha->fw_seriallink_options));
2394
2395 /* save HBA serial number */
2396 ha->serial0 = icb->port_name[5];
2397 ha->serial1 = icb->port_name[6];
2398 ha->serial2 = icb->port_name[7];
e315cd28
AC		 2399 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2400 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 2401
2402 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2403
2404 ha->retry_count = nv->retry_count;
2405
2406 /* Set minimum login_timeout to 4 seconds. */
5b91490e 2407 if (nv->login_timeout != ql2xlogintimeout)
1da177e4
LT		 2408 nv->login_timeout = ql2xlogintimeout;
2409 if (nv->login_timeout < 4)
2410 nv->login_timeout = 4;
2411 ha->login_timeout = nv->login_timeout;
2412 icb->login_timeout = nv->login_timeout;
2413
00a537b8
AV		 2414 /* Set minimum RATOV to 100 tenths of a second. */
2415 ha->r_a_tov = 100;
1da177e4 2416
1da177e4
LT		 2417 ha->loop_reset_delay = nv->reset_delay;
2418
1da177e4
LT		 2419 /* Link Down Timeout = 0:
2420 *
2421 * When Port Down timer expires we will start returning
2422 * I/O's to OS with "DID_NO_CONNECT".
2423 *
2424 * Link Down Timeout != 0:
2425 *
2426 * The driver waits for the link to come up after link down
2427 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 2428 */
1da177e4
LT		 2429 if (nv->link_down_timeout == 0) {
2430 ha->loop_down_abort_time =
354d6b21 2431 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 2432 } else {
2433 ha->link_down_timeout = nv->link_down_timeout;
2434 ha->loop_down_abort_time =
2435 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 2436 }
1da177e4 2437
1da177e4
LT		 2438 /*
2439 * Need enough time to try and get the port back.
2440 */
2441 ha->port_down_retry_count = nv->port_down_retry_count;
2442 if (qlport_down_retry)
2443 ha->port_down_retry_count = qlport_down_retry;
2444 /* Set login_retry_count */
2445 ha->login_retry_count = nv->retry_count;
2446 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2447 ha->port_down_retry_count > 3)
2448 ha->login_retry_count = ha->port_down_retry_count;
2449 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2450 ha->login_retry_count = ha->port_down_retry_count;
2451 if (ql2xloginretrycount)
2452 ha->login_retry_count = ql2xloginretrycount;
2453
1da177e4
LT		 2454 icb->lun_enables = __constant_cpu_to_le16(0);
2455 icb->command_resource_count = 0;
2456 icb->immediate_notify_resource_count = 0;
2457 icb->timeout = __constant_cpu_to_le16(0);
2458
2459 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2460 /* Enable RIO */
2461 icb->firmware_options[0] &= ~BIT_3;
2462 icb->add_firmware_options[0] &=
2463 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2464 icb->add_firmware_options[0] |= BIT_2;
2465 icb->response_accumulation_timer = 3;
2466 icb->interrupt_delay_timer = 5;
2467
e315cd28 2468 vha->flags.process_response_queue = 1;
1da177e4 2469 } else {
4fdfefe5 2470 /* Enable ZIO. */
e315cd28 2471 if (!vha->flags.init_done) {
4fdfefe5
AV		 2472 ha->zio_mode = icb->add_firmware_options[0] &
2473 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2474 ha->zio_timer = icb->interrupt_delay_timer ?
2475 icb->interrupt_delay_timer: 2;
2476 }
1da177e4
LT		 2477 icb->add_firmware_options[0] &=
2478 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 2479 vha->flags.process_response_queue = 0;
4fdfefe5 2480 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 2481 ha->zio_mode = QLA_ZIO_MODE_6;
2482
4fdfefe5 2483 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 2484 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 2485 ha->zio_timer * 100));
1da177e4 2486 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 2487 "ZIO mode %d enabled; timer delay (%d us).\n",
2488 ha->zio_mode, ha->zio_timer * 100);
1da177e4 2489
4fdfefe5
AV		 2490 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2491 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 2492 vha->flags.process_response_queue = 1;
1da177e4
LT		 2493 }
2494 }
2495
4e08df3f
DM		 2496 if (rval) {
2497 DEBUG2_3(printk(KERN_WARNING
e315cd28 2498 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 2499 }
2500 return (rval);
1da177e4
LT		 2501}
2502
19a7b4ae
JSEC		 2503static void
2504qla2x00_rport_del(void *data)
2505{
2506 fc_port_t *fcport = data;
d97994dc 2507 struct fc_rport *rport;
d97994dc 2508
e315cd28 2509 spin_lock_irq(fcport->vha->host->host_lock);
ac280b67 2510 rport = fcport->drport ? fcport->drport: fcport->rport;
d97994dc 2511 fcport->drport = NULL;
e315cd28 2512 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 2513 if (rport)
2514 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 2515}
2516
1da177e4
LT		 2517/**
2518 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2519 * @ha: HA context
2520 * @flags: allocation flags
2521 *
2522 * Returns a pointer to the allocated fcport, or NULL, if none available.
2523 */
9a069e19 2524fc_port_t *
e315cd28 2525qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 2526{
2527 fc_port_t *fcport;
2528
bbfbbbc1
MK		 2529 fcport = kzalloc(sizeof(fc_port_t), flags);
2530 if (!fcport)
2531 return NULL;
1da177e4
LT		 2532
2533 /* Setup fcport template structure. */
e315cd28
AC		 2534 fcport->vha = vha;
2535 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 2536 fcport->port_type = FCT_UNKNOWN;
2537 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 2538 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 2539 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 2540
bbfbbbc1 2541 return fcport;
1da177e4
LT		 2542}
2543
2544/*
2545 * qla2x00_configure_loop
2546 * Updates Fibre Channel Device Database with what is actually on loop.
2547 *
2548 * Input:
2549 * ha = adapter block pointer.
2550 *
2551 * Returns:
2552 * 0 = success.
2553 * 1 = error.
2554 * 2 = database was full and device was not configured.
2555 */
2556static int
e315cd28 2557qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2558{
2559 int rval;
2560 unsigned long flags, save_flags;
e315cd28 2561 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2562 rval = QLA_SUCCESS;
2563
2564 /* Get Initiator ID */
e315cd28
AC		 2565 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2566 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 2567 if (rval != QLA_SUCCESS) {
2568 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 2569 vha->host_no));
1da177e4
LT		 2570 return (rval);
2571 }
2572 }
2573
e315cd28 2574 save_flags = flags = vha->dpc_flags;
1da177e4 2575 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 2576 vha->host_no, flags));
1da177e4
LT		 2577
2578 /*
2579 * If we have both an RSCN and PORT UPDATE pending then handle them
2580 * both at the same time.
2581 */
e315cd28
AC		 2582 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2583 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4 2584
3064ff39
MH		 2585 qla2x00_get_data_rate(vha);
2586
1da177e4
LT		 2587 /* Determine what we need to do */
2588 if (ha->current_topology == ISP_CFG_FL &&
2589 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2590
e315cd28 2591 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2592 set_bit(RSCN_UPDATE, &flags);
2593
2594 } else if (ha->current_topology == ISP_CFG_F &&
2595 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2596
e315cd28 2597 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2598 set_bit(RSCN_UPDATE, &flags);
2599 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2600
2601 } else if (ha->current_topology == ISP_CFG_N) {
2602 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2603
e315cd28 2604 } else if (!vha->flags.online ||
1da177e4
LT		 2605 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2606
e315cd28 2607 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2608 set_bit(RSCN_UPDATE, &flags);
2609 set_bit(LOCAL_LOOP_UPDATE, &flags);
2610 }
2611
2612 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2613 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2614 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2615 else
2616 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2617 }
2618
2619 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2620 if (LOOP_TRANSITION(vha))
1da177e4 2621 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2622 else
2623 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2624 }
2625
2626 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2627 if (atomic_read(&vha->loop_down_timer) ||
2628 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2629 rval = QLA_FUNCTION_FAILED;
2630 } else {
e315cd28 2631 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2632
e315cd28 2633 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2634 }
2635 }
2636
2637 if (rval) {
2638 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2639 __func__, vha->host_no));
1da177e4
LT		 2640 } else {
2641 DEBUG3(printk("%s: exiting normally\n", __func__));
2642 }
2643
cc3ef7bc 2644 /* Restore state if a resync event occurred during processing */
e315cd28 2645 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2646 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2647 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2648 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2649 set_bit(RSCN_UPDATE, &vha->dpc_flags);
3a6478df
GM		 2650 if (!IS_ALOGIO_CAPABLE(ha))
2651 vha->flags.rscn_queue_overflow = 1;
f4658b6c 2652 }
1da177e4
LT		 2653 }
2654
2655 return (rval);
2656}
2657
2658
2659
2660/*
2661 * qla2x00_configure_local_loop
2662 * Updates Fibre Channel Device Database with local loop devices.
2663 *
2664 * Input:
2665 * ha = adapter block pointer.
2666 *
2667 * Returns:
2668 * 0 = success.
2669 */
2670static int
e315cd28 2671qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2672{
2673 int rval, rval2;
2674 int found_devs;
2675 int found;
2676 fc_port_t *fcport, *new_fcport;
2677
2678 uint16_t index;
2679 uint16_t entries;
2680 char *id_iter;
2681 uint16_t loop_id;
2682 uint8_t domain, area, al_pa;
e315cd28 2683 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2684
2685 found_devs = 0;
2686 new_fcport = NULL;
2687 entries = MAX_FIBRE_DEVICES;
2688
e315cd28
AC		 2689 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2690 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2691
2692 /* Get list of logged in devices. */
2693 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2694 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2695 &entries);
2696 if (rval != QLA_SUCCESS)
2697 goto cleanup_allocation;
2698
2699 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2700 vha->host_no, entries));
1da177e4
LT		 2701 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2702 entries * sizeof(struct gid_list_info)));
2703
2704 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2705 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2706 if (new_fcport == NULL) {
2707 rval = QLA_MEMORY_ALLOC_FAILED;
2708 goto cleanup_allocation;
2709 }
2710 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2711
2712 /*
2713 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2714 */
e315cd28 2715 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2716 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2717 fcport->port_type != FCT_BROADCAST &&
2718 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2719
2720 DEBUG(printk("scsi(%ld): Marking port lost, "
2721 "loop_id=0x%04x\n",
e315cd28 2722 vha->host_no, fcport->loop_id));
1da177e4
LT		 2723
2724 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2725 }
2726 }
2727
2728 /* Add devices to port list. */
2729 id_iter = (char *)ha->gid_list;
2730 for (index = 0; index < entries; index++) {
2731 domain = ((struct gid_list_info *)id_iter)->domain;
2732 area = ((struct gid_list_info *)id_iter)->area;
2733 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2734 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2735 loop_id = (uint16_t)
2736 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2737 else
1da177e4
LT		 2738 loop_id = le16_to_cpu(
2739 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2740 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2741
2742 /* Bypass reserved domain fields. */
2743 if ((domain & 0xf0) == 0xf0)
2744 continue;
2745
2746 /* Bypass if not same domain and area of adapter. */
f7d289f6 2747 if (area && domain &&
e315cd28 2748 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2749 continue;
2750
2751 /* Bypass invalid local loop ID. */
2752 if (loop_id > LAST_LOCAL_LOOP_ID)
2753 continue;
2754
2755 /* Fill in member data. */
2756 new_fcport->d_id.b.domain = domain;
2757 new_fcport->d_id.b.area = area;
2758 new_fcport->d_id.b.al_pa = al_pa;
2759 new_fcport->loop_id = loop_id;
e315cd28
AC		 2760 new_fcport->vp_idx = vha->vp_idx;
2761 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2762 if (rval2 != QLA_SUCCESS) {
2763 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2764 "information -- get_port_database=%x, "
2765 "loop_id=0x%04x\n",
e315cd28 2766 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2767 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2768 vha->host_no));
2769 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2770 continue;
2771 }
2772
2773 /* Check for matching device in port list. */
2774 found = 0;
2775 fcport = NULL;
e315cd28 2776 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2777 if (memcmp(new_fcport->port_name, fcport->port_name,
2778 WWN_SIZE))
2779 continue;
2780
ddb9b126 2781 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2782 fcport->loop_id = new_fcport->loop_id;
2783 fcport->port_type = new_fcport->port_type;
2784 fcport->d_id.b24 = new_fcport->d_id.b24;
2785 memcpy(fcport->node_name, new_fcport->node_name,
2786 WWN_SIZE);
2787
2788 found++;
2789 break;
2790 }
2791
2792 if (!found) {
2793 /* New device, add to fcports list. */
e315cd28
AC		 2794 if (vha->vp_idx) {
2795 new_fcport->vha = vha;
2796 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2797 }
e315cd28 2798 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2799
2800 /* Allocate a new replacement fcport. */
2801 fcport = new_fcport;
e315cd28 2802 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2803 if (new_fcport == NULL) {
2804 rval = QLA_MEMORY_ALLOC_FAILED;
2805 goto cleanup_allocation;
2806 }
2807 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2808 }
2809
d8b45213 2810 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2811 fcport->fp_speed = ha->link_data_rate;
d8b45213 2812
e315cd28 2813 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2814
2815 found_devs++;
2816 }
2817
2818cleanup_allocation:
c9475cb0 2819 kfree(new_fcport);
1da177e4
LT		 2820
2821 if (rval != QLA_SUCCESS) {
2822 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2823 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2824 }
2825
1da177e4
LT		 2826 return (rval);
2827}
2828
d8b45213 2829static void
e315cd28 2830qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2831{
2832#define LS_UNKNOWN 2
9f8fddee
AV		 2833 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2834 char *link_speed;
d8b45213 2835 int rval;
1bb39548 2836 uint16_t mb[4];
e315cd28 2837 struct qla_hw_data *ha = vha->hw;
d8b45213 2838
c76f2c01 2839 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2840 return;
2841
c9afb9a2
GM		 2842 if (atomic_read(&fcport->state) != FCS_ONLINE)
2843 return;
2844
39bd9622
AV		 2845 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2846 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2847 return;
2848
e315cd28 2849 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2850 mb);
d8b45213
AV		 2851 if (rval != QLA_SUCCESS) {
2852 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2853 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2854 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2855 fcport->port_name[2], fcport->port_name[3],
2856 fcport->port_name[4], fcport->port_name[5],
2857 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2858 fcport->fp_speed, mb[0], mb[1]));
d8b45213 2859 } else {
9f8fddee
AV		 2860 link_speed = link_speeds[LS_UNKNOWN];
2861 if (fcport->fp_speed < 5)
2862 link_speed = link_speeds[fcport->fp_speed];
2863 else if (fcport->fp_speed == 0x13)
2864 link_speed = link_speeds[5];
d8b45213
AV		 2865 DEBUG2(qla_printk(KERN_INFO, ha,
2866 "iIDMA adjusted to %s GB/s on "
2867 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
9f8fddee 2868 link_speed, fcport->port_name[0],
d8b45213
AV		 2869 fcport->port_name[1], fcport->port_name[2],
2870 fcport->port_name[3], fcport->port_name[4],
2871 fcport->port_name[5], fcport->port_name[6],
2872 fcport->port_name[7]));
2873 }
2874}
2875
23be331d 2876static void
e315cd28 2877qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118
AV		 2878{
2879 struct fc_rport_identifiers rport_ids;
bdf79621 2880 struct fc_rport *rport;
e315cd28 2881 struct qla_hw_data *ha = vha->hw;
8482e118 2882
ac280b67 2883 qla2x00_rport_del(fcport);
8482e118 2884
f8b02a85
AV		 2885 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2886 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2887 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2888 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2889 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2890 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2891 if (!rport) {
2892 qla_printk(KERN_WARNING, ha,
2893 "Unable to allocate fc remote port!\n");
2894 return;
2895 }
e315cd28 2896 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2897 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2898 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2899
ad3e0eda 2900 rport->supported_classes = fcport->supported_classes;
77d74143 2901
8482e118
AV		 2902 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2903 if (fcport->port_type == FCT_INITIATOR)
2904 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2905 if (fcport->port_type == FCT_TARGET)
2906 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2907 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2908}
2909
23be331d
AB		 2910/*
2911 * qla2x00_update_fcport
2912 * Updates device on list.
2913 *
2914 * Input:
2915 * ha = adapter block pointer.
2916 * fcport = port structure pointer.
2917 *
2918 * Return:
2919 * 0 - Success
2920 * BIT_0 - error
2921 *
2922 * Context:
2923 * Kernel context.
2924 */
2925void
e315cd28 2926qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2927{
e315cd28 2928 fcport->vha = vha;
23be331d 2929 fcport->login_retry = 0;
5ff1d584 2930 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
23be331d 2931
e315cd28 2932 qla2x00_iidma_fcport(vha, fcport);
21090cbe 2933 qla24xx_update_fcport_fcp_prio(vha, fcport);
e315cd28 2934 qla2x00_reg_remote_port(vha, fcport);
38170fa8 2935 atomic_set(&fcport->state, FCS_ONLINE);
23be331d
AB		 2936}
2937
1da177e4
LT		 2938/*
2939 * qla2x00_configure_fabric
2940 * Setup SNS devices with loop ID's.
2941 *
2942 * Input:
2943 * ha = adapter block pointer.
2944 *
2945 * Returns:
2946 * 0 = success.
2947 * BIT_0 = error
2948 */
2949static int
e315cd28 2950qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2951{
2952 int rval, rval2;
2953 fc_port_t *fcport, *fcptemp;
2954 uint16_t next_loopid;
2955 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2956 uint16_t loop_id;
1da177e4 2957 LIST_HEAD(new_fcports);
e315cd28
AC		 2958 struct qla_hw_data *ha = vha->hw;
2959 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2960
2961 /* If FL port exists, then SNS is present */
e428924c 2962 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2963 loop_id = NPH_F_PORT;
2964 else
2965 loop_id = SNS_FL_PORT;
e315cd28 2966 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2967 if (rval != QLA_SUCCESS) {
2968 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2969 "Port\n", vha->host_no));
1da177e4 2970
e315cd28 2971 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2972 return (QLA_SUCCESS);
2973 }
e315cd28 2974 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2975
2976 /* Mark devices that need re-synchronization. */
e315cd28 2977 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2978 if (rval2 == QLA_RSCNS_HANDLED) {
2979 /* No point doing the scan, just continue. */
2980 return (QLA_SUCCESS);
2981 }
2982 do {
cca5335c
AV		 2983 /* FDMI support. */
2984 if (ql2xfdmienable &&
e315cd28
AC		 2985 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2986 qla2x00_fdmi_register(vha);
cca5335c 2987
1da177e4 2988 /* Ensure we are logged into the SNS. */
e428924c 2989 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2990 loop_id = NPH_SNS;
2991 else
2992 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2993 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2994 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2995 if (mb[0] != MBS_COMMAND_COMPLETE) {
2996 DEBUG2(qla_printk(KERN_INFO, ha,
2997 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2998 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2999 mb[0], mb[1], mb[2], mb[6], mb[7]));
3000 return (QLA_SUCCESS);
3001 }
3002
e315cd28
AC		 3003 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3004 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 3005 /* EMPTY */
3006 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3007 "TYPE failed.\n", vha->host_no));
1da177e4 3008 }
e315cd28 3009 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 3010 /* EMPTY */
3011 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3012 "Features failed.\n", vha->host_no));
1da177e4 3013 }
e315cd28 3014 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 3015 /* EMPTY */
3016 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 3017 "failed.\n", vha->host_no));
3018 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 3019 /* EMPTY */
3020 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 3021 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 3022 }
3023 }
3024
e315cd28 3025 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 3026 if (rval != QLA_SUCCESS)
3027 break;
3028
3029 /*
3030 * Logout all previous fabric devices marked lost, except
f08b7251 3031 * FCP2 devices.
1da177e4 3032 */
e315cd28
AC		 3033 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3034 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3035 break;
3036
3037 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3038 continue;
3039
3040 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 3041 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3042 ql2xplogiabsentdevice, 0);
1da177e4 3043 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3044 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3045 fcport->port_type != FCT_INITIATOR &&
3046 fcport->port_type != FCT_BROADCAST) {
e315cd28 3047 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 3048 fcport->loop_id,
3049 fcport->d_id.b.domain,
3050 fcport->d_id.b.area,
3051 fcport->d_id.b.al_pa);
1da177e4
LT		 3052 fcport->loop_id = FC_NO_LOOP_ID;
3053 }
3054 }
3055 }
3056
3057 /* Starting free loop ID. */
e315cd28 3058 next_loopid = ha->min_external_loopid;
1da177e4
LT		 3059
3060 /*
3061 * Scan through our port list and login entries that need to be
3062 * logged in.
3063 */
e315cd28
AC		 3064 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3065 if (atomic_read(&vha->loop_down_timer) ||
3066 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3067 break;
3068
3069 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3070 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3071 continue;
3072
3073 if (fcport->loop_id == FC_NO_LOOP_ID) {
3074 fcport->loop_id = next_loopid;
d4486fd6 3075 rval = qla2x00_find_new_loop_id(
e315cd28 3076 base_vha, fcport);
1da177e4
LT		 3077 if (rval != QLA_SUCCESS) {
3078 /* Ran out of IDs to use */
3079 break;
3080 }
3081 }
1da177e4 3082 /* Login and update database */
e315cd28 3083 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 3084 }
3085
3086 /* Exit if out of loop IDs. */
3087 if (rval != QLA_SUCCESS) {
3088 break;
3089 }
3090
3091 /*
3092 * Login and add the new devices to our port list.
3093 */
3094 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 3095 if (atomic_read(&vha->loop_down_timer) ||
3096 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3097 break;
3098
3099 /* Find a new loop ID to use. */
3100 fcport->loop_id = next_loopid;
e315cd28 3101 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 3102 if (rval != QLA_SUCCESS) {
3103 /* Ran out of IDs to use */
3104 break;
3105 }
3106
bdf79621 3107 /* Login and update database */
e315cd28
AC		 3108 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3109
3110 if (vha->vp_idx) {
3111 fcport->vha = vha;
3112 fcport->vp_idx = vha->vp_idx;
3113 }
3114 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 3115 }
3116 } while (0);
3117
3118 /* Free all new device structures not processed. */
3119 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3120 list_del(&fcport->list);
3121 kfree(fcport);
3122 }
3123
3124 if (rval) {
3125 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 3126 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 3127 }
3128
3129 return (rval);
3130}
3131
1da177e4
LT		 3132/*
3133 * qla2x00_find_all_fabric_devs
3134 *
3135 * Input:
3136 * ha = adapter block pointer.
3137 * dev = database device entry pointer.
3138 *
3139 * Returns:
3140 * 0 = success.
3141 *
3142 * Context:
3143 * Kernel context.
3144 */
3145static int
e315cd28
AC		 3146qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3147 struct list_head *new_fcports)
1da177e4
LT		 3148{
3149 int rval;
3150 uint16_t loop_id;
3151 fc_port_t *fcport, *new_fcport, *fcptemp;
3152 int found;
3153
3154 sw_info_t *swl;
3155 int swl_idx;
3156 int first_dev, last_dev;
1516ef44 3157 port_id_t wrap = {}, nxt_d_id;
e315cd28
AC		 3158 struct qla_hw_data *ha = vha->hw;
3159 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 3160 struct scsi_qla_host *tvp;
1da177e4
LT		 3161
3162 rval = QLA_SUCCESS;
3163
3164 /* Try GID_PT to get device list, else GAN. */
4b89258c 3165 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 3166 if (!swl) {
1da177e4
LT		 3167 /*EMPTY*/
3168 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 3169 "on GA_NXT\n", vha->host_no));
1da177e4 3170 } else {
e315cd28 3171 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3172 kfree(swl);
3173 swl = NULL;
e315cd28 3174 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3175 kfree(swl);
3176 swl = NULL;
e315cd28 3177 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3178 kfree(swl);
3179 swl = NULL;
e5896bd5 3180 } else if (ql2xiidmaenable &&
e315cd28
AC		 3181 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3182 qla2x00_gpsc(vha, swl);
1da177e4 3183 }
e8c72ba5
CD		 3184
3185 /* If other queries succeeded probe for FC-4 type */
3186 if (swl)
3187 qla2x00_gff_id(vha, swl);
1da177e4
LT		 3188 }
3189 swl_idx = 0;
3190
3191 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 3192 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3193 if (new_fcport == NULL) {
c9475cb0 3194 kfree(swl);
1da177e4
LT		 3195 return (QLA_MEMORY_ALLOC_FAILED);
3196 }
3197 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 3198 /* Set start port ID scan at adapter ID. */
3199 first_dev = 1;
3200 last_dev = 0;
3201
3202 /* Starting free loop ID. */
e315cd28
AC		 3203 loop_id = ha->min_external_loopid;
3204 for (; loop_id <= ha->max_loop_id; loop_id++) {
3205 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 3206 continue;
3207
3a6478df
GM		 3208 if (ha->current_topology == ISP_CFG_FL &&
3209 (atomic_read(&vha->loop_down_timer) ||
3210 LOOP_TRANSITION(vha))) {
bb2d52b2
AV		 3211 atomic_set(&vha->loop_down_timer, 0);
3212 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3213 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4 3214 break;
bb2d52b2 3215 }
1da177e4
LT		 3216
3217 if (swl != NULL) {
3218 if (last_dev) {
3219 wrap.b24 = new_fcport->d_id.b24;
3220 } else {
3221 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3222 memcpy(new_fcport->node_name,
3223 swl[swl_idx].node_name, WWN_SIZE);
3224 memcpy(new_fcport->port_name,
3225 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 3226 memcpy(new_fcport->fabric_port_name,
3227 swl[swl_idx].fabric_port_name, WWN_SIZE);
3228 new_fcport->fp_speed = swl[swl_idx].fp_speed;
e8c72ba5 3229 new_fcport->fc4_type = swl[swl_idx].fc4_type;
1da177e4
LT		 3230
3231 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3232 last_dev = 1;
3233 }
3234 swl_idx++;
3235 }
3236 } else {
3237 /* Send GA_NXT to the switch */
e315cd28 3238 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 3239 if (rval != QLA_SUCCESS) {
3240 qla_printk(KERN_WARNING, ha,
3241 "SNS scan failed -- assuming zero-entry "
3242 "result...\n");
3243 list_for_each_entry_safe(fcport, fcptemp,
3244 new_fcports, list) {
3245 list_del(&fcport->list);
3246 kfree(fcport);
3247 }
3248 rval = QLA_SUCCESS;
3249 break;
3250 }
3251 }
3252
3253 /* If wrap on switch device list, exit. */
3254 if (first_dev) {
3255 wrap.b24 = new_fcport->d_id.b24;
3256 first_dev = 0;
3257 } else if (new_fcport->d_id.b24 == wrap.b24) {
3258 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 3259 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 3260 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3261 break;
3262 }
3263
2c3dfe3f 3264 /* Bypass if same physical adapter. */
e315cd28 3265 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 3266 continue;
3267
2c3dfe3f 3268 /* Bypass virtual ports of the same host. */
e315cd28
AC		 3269 found = 0;
3270 if (ha->num_vhosts) {
feafb7b1
AE		 3271 unsigned long flags;
3272
3273 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3274 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3275 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3276 found = 1;
2c3dfe3f 3277 break;
e315cd28 3278 }
2c3dfe3f 3279 }
feafb7b1
AE		 3280 spin_unlock_irqrestore(&ha->vport_slock, flags);
3281
e315cd28 3282 if (found)
2c3dfe3f
SJ		 3283 continue;
3284 }
3285
f7d289f6
AV		 3286 /* Bypass if same domain and area of adapter. */
3287 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 3288 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 3289 ISP_CFG_FL)
3290 continue;
3291
1da177e4
LT		 3292 /* Bypass reserved domain fields. */
3293 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3294 continue;
3295
e8c72ba5 3296 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
4da26e16
CD		 3297 if (ql2xgffidenable &&
3298 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3299 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
e8c72ba5
CD		 3300 continue;
3301
1da177e4
LT		 3302 /* Locate matching device in database. */
3303 found = 0;
e315cd28 3304 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3305 if (memcmp(new_fcport->port_name, fcport->port_name,
3306 WWN_SIZE))
3307 continue;
3308
3309 found++;
3310
d8b45213
AV		 3311 /* Update port state. */
3312 memcpy(fcport->fabric_port_name,
3313 new_fcport->fabric_port_name, WWN_SIZE);
3314 fcport->fp_speed = new_fcport->fp_speed;
3315
1da177e4
LT		 3316 /*
3317 * If address the same and state FCS_ONLINE, nothing
3318 * changed.
3319 */
3320 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3321 atomic_read(&fcport->state) == FCS_ONLINE) {
3322 break;
3323 }
3324
3325 /*
3326 * If device was not a fabric device before.
3327 */
3328 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3329 fcport->d_id.b24 = new_fcport->d_id.b24;
3330 fcport->loop_id = FC_NO_LOOP_ID;
3331 fcport->flags |= (FCF_FABRIC_DEVICE |
3332 FCF_LOGIN_NEEDED);
1da177e4
LT		 3333 break;
3334 }
3335
3336 /*
3337 * Port ID changed or device was marked to be updated;
3338 * Log it out if still logged in and mark it for
3339 * relogin later.
3340 */
3341 fcport->d_id.b24 = new_fcport->d_id.b24;
3342 fcport->flags |= FCF_LOGIN_NEEDED;
3343 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3344 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3345 fcport->port_type != FCT_INITIATOR &&
3346 fcport->port_type != FCT_BROADCAST) {
e315cd28 3347 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3348 fcport->d_id.b.domain, fcport->d_id.b.area,
3349 fcport->d_id.b.al_pa);
1da177e4
LT		 3350 fcport->loop_id = FC_NO_LOOP_ID;
3351 }
3352
3353 break;
3354 }
3355
3356 if (found)
3357 continue;
1da177e4
LT		 3358 /* If device was not in our fcports list, then add it. */
3359 list_add_tail(&new_fcport->list, new_fcports);
3360
3361 /* Allocate a new replacement fcport. */
3362 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 3363 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3364 if (new_fcport == NULL) {
c9475cb0 3365 kfree(swl);
1da177e4
LT		 3366 return (QLA_MEMORY_ALLOC_FAILED);
3367 }
3368 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3369 new_fcport->d_id.b24 = nxt_d_id.b24;
3370 }
3371
c9475cb0
JJ		 3372 kfree(swl);
3373 kfree(new_fcport);
1da177e4 3374
1da177e4
LT		 3375 return (rval);
3376}
3377
3378/*
3379 * qla2x00_find_new_loop_id
3380 * Scan through our port list and find a new usable loop ID.
3381 *
3382 * Input:
3383 * ha: adapter state pointer.
3384 * dev: port structure pointer.
3385 *
3386 * Returns:
3387 * qla2x00 local function return status code.
3388 *
3389 * Context:
3390 * Kernel context.
3391 */
413975a0 3392static int
e315cd28 3393qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 3394{
3395 int rval;
3396 int found;
3397 fc_port_t *fcport;
3398 uint16_t first_loop_id;
e315cd28
AC		 3399 struct qla_hw_data *ha = vha->hw;
3400 struct scsi_qla_host *vp;
ee546b6e 3401 struct scsi_qla_host *tvp;
feafb7b1 3402 unsigned long flags = 0;
1da177e4
LT		 3403
3404 rval = QLA_SUCCESS;
3405
3406 /* Save starting loop ID. */
3407 first_loop_id = dev->loop_id;
3408
3409 for (;;) {
3410 /* Skip loop ID if already used by adapter. */
e315cd28 3411 if (dev->loop_id == vha->loop_id)
1da177e4 3412 dev->loop_id++;
1da177e4
LT		 3413
3414 /* Skip reserved loop IDs. */
e315cd28 3415 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 3416 dev->loop_id++;
1da177e4
LT		 3417
3418 /* Reset loop ID if passed the end. */
e315cd28 3419 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 3420 /* first loop ID. */
3421 dev->loop_id = ha->min_external_loopid;
3422 }
3423
3424 /* Check for loop ID being already in use. */
3425 found = 0;
3426 fcport = NULL;
feafb7b1
AE		 3427
3428 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3429 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3430 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3431 if (fcport->loop_id == dev->loop_id &&
3432 fcport != dev) {
3433 /* ID possibly in use */
3434 found++;
3435 break;
3436 }
1da177e4 3437 }
e315cd28
AC		 3438 if (found)
3439 break;
1da177e4 3440 }
feafb7b1 3441 spin_unlock_irqrestore(&ha->vport_slock, flags);
1da177e4
LT		 3442
3443 /* If not in use then it is free to use. */
3444 if (!found) {
3445 break;
3446 }
3447
3448 /* ID in use. Try next value. */
3449 dev->loop_id++;
3450
3451 /* If wrap around. No free ID to use. */
3452 if (dev->loop_id == first_loop_id) {
3453 dev->loop_id = FC_NO_LOOP_ID;
3454 rval = QLA_FUNCTION_FAILED;
3455 break;
3456 }
3457 }
3458
3459 return (rval);
3460}
3461
3462/*
3463 * qla2x00_device_resync
3464 * Marks devices in the database that needs resynchronization.
3465 *
3466 * Input:
3467 * ha = adapter block pointer.
3468 *
3469 * Context:
3470 * Kernel context.
3471 */
3472static int
e315cd28 3473qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 3474{
3475 int rval;
1da177e4
LT		 3476 uint32_t mask;
3477 fc_port_t *fcport;
3478 uint32_t rscn_entry;
3479 uint8_t rscn_out_iter;
3480 uint8_t format;
1516ef44 3481 port_id_t d_id = {};
1da177e4
LT		 3482
3483 rval = QLA_RSCNS_HANDLED;
3484
e315cd28
AC		 3485 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3486 vha->flags.rscn_queue_overflow) {
1da177e4 3487
e315cd28 3488 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 3489 format = MSB(MSW(rscn_entry));
3490 d_id.b.domain = LSB(MSW(rscn_entry));
3491 d_id.b.area = MSB(LSW(rscn_entry));
3492 d_id.b.al_pa = LSB(LSW(rscn_entry));
3493
3494 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3495 "[%02x/%02x%02x%02x].\n",
e315cd28 3496 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 3497 d_id.b.area, d_id.b.al_pa));
3498
e315cd28
AC		 3499 vha->rscn_out_ptr++;
3500 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3501 vha->rscn_out_ptr = 0;
1da177e4
LT		 3502
3503 /* Skip duplicate entries. */
e315cd28
AC		 3504 for (rscn_out_iter = vha->rscn_out_ptr;
3505 !vha->flags.rscn_queue_overflow &&
3506 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 3507 rscn_out_iter = (rscn_out_iter ==
3508 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3509
e315cd28 3510 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 3511 break;
3512
3513 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 3514 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 3515 rscn_out_iter));
3516
e315cd28 3517 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 3518 }
3519
3520 /* Queue overflow, set switch default case. */
e315cd28 3521 if (vha->flags.rscn_queue_overflow) {
1da177e4 3522 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 3523 "overflow.\n", vha->host_no));
1da177e4
LT		 3524
3525 format = 3;
e315cd28 3526 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 3527 }
3528
3529 switch (format) {
3530 case 0:
1da177e4
LT		 3531 mask = 0xffffff;
3532 break;
3533 case 1:
3534 mask = 0xffff00;
3535 break;
3536 case 2:
3537 mask = 0xff0000;
3538 break;
3539 default:
3540 mask = 0x0;
3541 d_id.b24 = 0;
e315cd28 3542 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 3543 break;
3544 }
3545
3546 rval = QLA_SUCCESS;
3547
e315cd28 3548 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3549 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3550 (fcport->d_id.b24 & mask) != d_id.b24 ||
3551 fcport->port_type == FCT_BROADCAST)
3552 continue;
3553
3554 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3555 if (format != 3 ||
3556 fcport->port_type != FCT_INITIATOR) {
e315cd28 3557 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3558 0, 0);
1da177e4
LT		 3559 }
3560 }
1da177e4
LT		 3561 }
3562 }
3563 return (rval);
3564}
3565
3566/*
3567 * qla2x00_fabric_dev_login
3568 * Login fabric target device and update FC port database.
3569 *
3570 * Input:
3571 * ha: adapter state pointer.
3572 * fcport: port structure list pointer.
3573 * next_loopid: contains value of a new loop ID that can be used
3574 * by the next login attempt.
3575 *
3576 * Returns:
3577 * qla2x00 local function return status code.
3578 *
3579 * Context:
3580 * Kernel context.
3581 */
3582static int
e315cd28 3583qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3584 uint16_t *next_loopid)
3585{
3586 int rval;
3587 int retry;
0107109e 3588 uint8_t opts;
e315cd28 3589 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3590
3591 rval = QLA_SUCCESS;
3592 retry = 0;
3593
ac280b67 3594 if (IS_ALOGIO_CAPABLE(ha)) {
5ff1d584
AV		 3595 if (fcport->flags & FCF_ASYNC_SENT)
3596 return rval;
3597 fcport->flags |= FCF_ASYNC_SENT;
ac280b67
AV		 3598 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3599 if (!rval)
3600 return rval;
3601 }
3602
5ff1d584 3603 fcport->flags &= ~FCF_ASYNC_SENT;
e315cd28 3604 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 3605 if (rval == QLA_SUCCESS) {
f08b7251 3606 /* Send an ADISC to FCP2 devices.*/
0107109e 3607 opts = 0;
f08b7251 3608 if (fcport->flags & FCF_FCP2_DEVICE)
0107109e 3609 opts |= BIT_1;
e315cd28 3610 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 3611 if (rval != QLA_SUCCESS) {
e315cd28 3612 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3613 fcport->d_id.b.domain, fcport->d_id.b.area,
3614 fcport->d_id.b.al_pa);
e315cd28 3615 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3616 } else {
e315cd28 3617 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3618 }
3619 }
3620
3621 return (rval);
3622}
3623
3624/*
3625 * qla2x00_fabric_login
3626 * Issue fabric login command.
3627 *
3628 * Input:
3629 * ha = adapter block pointer.
3630 * device = pointer to FC device type structure.
3631 *
3632 * Returns:
3633 * 0 - Login successfully
3634 * 1 - Login failed
3635 * 2 - Initiator device
3636 * 3 - Fatal error
3637 */
3638int
e315cd28 3639qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3640 uint16_t *next_loopid)
3641{
3642 int rval;
3643 int retry;
3644 uint16_t tmp_loopid;
3645 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3646 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3647
3648 retry = 0;
3649 tmp_loopid = 0;
3650
3651 for (;;) {
3652 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3653 "for port %02x%02x%02x.\n",
e315cd28 3654 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3655 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3656
3657 /* Login fcport on switch. */
e315cd28 3658 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3659 fcport->d_id.b.domain, fcport->d_id.b.area,
3660 fcport->d_id.b.al_pa, mb, BIT_0);
3661 if (mb[0] == MBS_PORT_ID_USED) {
3662 /*
3663 * Device has another loop ID. The firmware team
0107109e
AV		 3664 * recommends the driver perform an implicit login with
3665 * the specified ID again. The ID we just used is save
3666 * here so we return with an ID that can be tried by
3667 * the next login.
1da177e4
LT		 3668 */
3669 retry++;
3670 tmp_loopid = fcport->loop_id;
3671 fcport->loop_id = mb[1];
3672
3673 DEBUG(printk("Fabric Login: port in use - next "
3674 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3675 fcport->loop_id, fcport->d_id.b.domain,
3676 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3677
3678 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3679 /*
3680 * Login succeeded.
3681 */
3682 if (retry) {
3683 /* A retry occurred before. */
3684 *next_loopid = tmp_loopid;
3685 } else {
3686 /*
3687 * No retry occurred before. Just increment the
3688 * ID value for next login.
3689 */
3690 *next_loopid = (fcport->loop_id + 1);
3691 }
3692
3693 if (mb[1] & BIT_0) {
3694 fcport->port_type = FCT_INITIATOR;
3695 } else {
3696 fcport->port_type = FCT_TARGET;
3697 if (mb[1] & BIT_1) {
8474f3a0 3698 fcport->flags |= FCF_FCP2_DEVICE;
1da177e4
LT		 3699 }
3700 }
3701
ad3e0eda
AV		 3702 if (mb[10] & BIT_0)
3703 fcport->supported_classes |= FC_COS_CLASS2;
3704 if (mb[10] & BIT_1)
3705 fcport->supported_classes |= FC_COS_CLASS3;
3706
1da177e4
LT		 3707 rval = QLA_SUCCESS;
3708 break;
3709 } else if (mb[0] == MBS_LOOP_ID_USED) {
3710 /*
3711 * Loop ID already used, try next loop ID.
3712 */
3713 fcport->loop_id++;
e315cd28 3714 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3715 if (rval != QLA_SUCCESS) {
3716 /* Ran out of loop IDs to use */
3717 break;
3718 }
3719 } else if (mb[0] == MBS_COMMAND_ERROR) {
3720 /*
3721 * Firmware possibly timed out during login. If NO
3722 * retries are left to do then the device is declared
3723 * dead.
3724 */
3725 *next_loopid = fcport->loop_id;
e315cd28 3726 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3727 fcport->d_id.b.domain, fcport->d_id.b.area,
3728 fcport->d_id.b.al_pa);
e315cd28 3729 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3730
3731 rval = 1;
3732 break;
3733 } else {
3734 /*
3735 * unrecoverable / not handled error
3736 */
3737 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3738 "loop_id=%x jiffies=%lx.\n",
e315cd28 3739 __func__, vha->host_no, mb[0],
1da177e4
LT		 3740 fcport->d_id.b.domain, fcport->d_id.b.area,
3741 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3742
3743 *next_loopid = fcport->loop_id;
e315cd28 3744 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3745 fcport->d_id.b.domain, fcport->d_id.b.area,
3746 fcport->d_id.b.al_pa);
1da177e4 3747 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3748 fcport->login_retry = 0;
1da177e4
LT		 3749
3750 rval = 3;
3751 break;
3752 }
3753 }
3754
3755 return (rval);
3756}
3757
3758/*
3759 * qla2x00_local_device_login
3760 * Issue local device login command.
3761 *
3762 * Input:
3763 * ha = adapter block pointer.
3764 * loop_id = loop id of device to login to.
3765 *
3766 * Returns (Where's the #define!!!!):
3767 * 0 - Login successfully
3768 * 1 - Login failed
3769 * 3 - Fatal error
3770 */
3771int
e315cd28 3772qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3773{
3774 int rval;
3775 uint16_t mb[MAILBOX_REGISTER_COUNT];
3776
3777 memset(mb, 0, sizeof(mb));
e315cd28 3778 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3779 if (rval == QLA_SUCCESS) {
3780 /* Interrogate mailbox registers for any errors */
3781 if (mb[0] == MBS_COMMAND_ERROR)
3782 rval = 1;
3783 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3784 /* device not in PCB table */
3785 rval = 3;
3786 }
3787
3788 return (rval);
3789}
3790
3791/*
3792 * qla2x00_loop_resync
3793 * Resync with fibre channel devices.
3794 *
3795 * Input:
3796 * ha = adapter block pointer.
3797 *
3798 * Returns:
3799 * 0 = success
3800 */
3801int
e315cd28 3802qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3803{
73208dfd 3804 int rval = QLA_SUCCESS;
1da177e4 3805 uint32_t wait_time;
67c2e93a
AC		 3806 struct req_que *req;
3807 struct rsp_que *rsp;
3808
7163ea81 3809 if (vha->hw->flags.cpu_affinity_enabled)
67c2e93a
AC		 3810 req = vha->hw->req_q_map[0];
3811 else
3812 req = vha->req;
3813 rsp = req->rsp;
1da177e4 3814
e315cd28
AC		 3815 atomic_set(&vha->loop_state, LOOP_UPDATE);
3816 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3817 if (vha->flags.online) {
3818 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3819 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3820 wait_time = 256;
3821 do {
e315cd28 3822 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3823
0107109e 3824 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3825 qla2x00_marker(vha, req, rsp, 0, 0,
3826 MK_SYNC_ALL);
e315cd28 3827 vha->marker_needed = 0;
1da177e4
LT		 3828
3829 /* Remap devices on Loop. */
e315cd28 3830 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3831
e315cd28 3832 qla2x00_configure_loop(vha);
1da177e4 3833 wait_time--;
e315cd28
AC		 3834 } while (!atomic_read(&vha->loop_down_timer) &&
3835 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3836 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3837 &vha->dpc_flags)));
1da177e4 3838 }
1da177e4
LT		 3839 }
3840
e315cd28 3841 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3842 return (QLA_FUNCTION_FAILED);
1da177e4 3843
e315cd28 3844 if (rval)
1da177e4 3845 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3846
3847 return (rval);
3848}
3849
579d12b5
SK		 3850/*
3851* qla2x00_perform_loop_resync
3852* Description: This function will set the appropriate flags and call
3853* qla2x00_loop_resync. If successful loop will be resynced
3854* Arguments : scsi_qla_host_t pointer
3855* returm : Success or Failure
3856*/
3857
3858int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3859{
3860 int32_t rval = 0;
3861
3862 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3863 /*Configure the flags so that resync happens properly*/
3864 atomic_set(&ha->loop_down_timer, 0);
3865 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3866 atomic_set(&ha->loop_state, LOOP_UP);
3867 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3868 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3869 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3870
3871 rval = qla2x00_loop_resync(ha);
3872 } else
3873 atomic_set(&ha->loop_state, LOOP_DEAD);
3874
3875 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3876 }
3877
3878 return rval;
3879}
3880
d97994dc 3881void
67becc00 3882qla2x00_update_fcports(scsi_qla_host_t *base_vha)
d97994dc
AV		 3883{
3884 fc_port_t *fcport;
feafb7b1
AE		 3885 struct scsi_qla_host *vha;
3886 struct qla_hw_data *ha = base_vha->hw;
3887 unsigned long flags;
d97994dc 3888
feafb7b1 3889 spin_lock_irqsave(&ha->vport_slock, flags);
d97994dc 3890 /* Go with deferred removal of rport references. */
feafb7b1
AE		 3891 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3892 atomic_inc(&vha->vref_count);
3893 list_for_each_entry(fcport, &vha->vp_fcports, list) {
8ae598d0 3894 if (fcport->drport &&
feafb7b1
AE		 3895 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3896 spin_unlock_irqrestore(&ha->vport_slock, flags);
3897
67becc00 3898 qla2x00_rport_del(fcport);
feafb7b1
AE		 3899
3900 spin_lock_irqsave(&ha->vport_slock, flags);
3901 }
3902 }
3903 atomic_dec(&vha->vref_count);
3904 }
3905 spin_unlock_irqrestore(&ha->vport_slock, flags);
d97994dc
AV		 3906}
3907
579d12b5
SK		 3908/*
3909* qla82xx_quiescent_state_cleanup
3910* Description: This function will block the new I/Os
3911* Its not aborting any I/Os as context
3912* is not destroyed during quiescence
3913* Arguments: scsi_qla_host_t
3914* return : void
3915*/
3916void
3917qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3918{
3919 struct qla_hw_data *ha = vha->hw;
3920 struct scsi_qla_host *vp;
3921
3922 qla_printk(KERN_INFO, ha,
3923 "Performing ISP error recovery - ha= %p.\n", ha);
3924
3925 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3926 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3927 atomic_set(&vha->loop_state, LOOP_DOWN);
3928 qla2x00_mark_all_devices_lost(vha, 0);
3929 list_for_each_entry(vp, &ha->vp_list, list)
3930 qla2x00_mark_all_devices_lost(vha, 0);
3931 } else {
3932 if (!atomic_read(&vha->loop_down_timer))
3933 atomic_set(&vha->loop_down_timer,
3934 LOOP_DOWN_TIME);
3935 }
3936 /* Wait for pending cmds to complete */
3937 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3938}
3939
a9083016
GM		 3940void
3941qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3942{
3943 struct qla_hw_data *ha = vha->hw;
579d12b5 3944 struct scsi_qla_host *vp;
feafb7b1 3945 unsigned long flags;
6aef87be 3946 fc_port_t *fcport;
a9083016
GM		 3947
3948 vha->flags.online = 0;
3949 ha->flags.chip_reset_done = 0;
3950 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3951 ha->qla_stats.total_isp_aborts++;
3952
3953 qla_printk(KERN_INFO, ha,
3954 "Performing ISP error recovery - ha= %p.\n", ha);
3955
3956 /* Chip reset does not apply to 82XX */
3957 if (!IS_QLA82XX(ha))
3958 ha->isp_ops->reset_chip(vha);
3959
3960 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3961 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3962 atomic_set(&vha->loop_state, LOOP_DOWN);
3963 qla2x00_mark_all_devices_lost(vha, 0);
feafb7b1
AE		 3964
3965 spin_lock_irqsave(&ha->vport_slock, flags);
579d12b5 3966 list_for_each_entry(vp, &ha->vp_list, list) {
feafb7b1
AE		 3967 atomic_inc(&vp->vref_count);
3968 spin_unlock_irqrestore(&ha->vport_slock, flags);
3969
a9083016 3970 qla2x00_mark_all_devices_lost(vp, 0);
feafb7b1
AE		 3971
3972 spin_lock_irqsave(&ha->vport_slock, flags);
3973 atomic_dec(&vp->vref_count);
3974 }
3975 spin_unlock_irqrestore(&ha->vport_slock, flags);
a9083016
GM		 3976 } else {
3977 if (!atomic_read(&vha->loop_down_timer))
3978 atomic_set(&vha->loop_down_timer,
3979 LOOP_DOWN_TIME);
3980 }
3981
6aef87be
AV		 3982 /* Clear all async request states across all VPs. */
3983 list_for_each_entry(fcport, &vha->vp_fcports, list)
3984 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3985 spin_lock_irqsave(&ha->vport_slock, flags);
3986 list_for_each_entry(vp, &ha->vp_list, list) {
3987 atomic_inc(&vp->vref_count);
3988 spin_unlock_irqrestore(&ha->vport_slock, flags);
3989
3990 list_for_each_entry(fcport, &vp->vp_fcports, list)
3991 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3992
3993 spin_lock_irqsave(&ha->vport_slock, flags);
3994 atomic_dec(&vp->vref_count);
3995 }
3996 spin_unlock_irqrestore(&ha->vport_slock, flags);
3997
bddd2d65
LC		 3998 if (!ha->flags.eeh_busy) {
3999 /* Make sure for ISP 82XX IO DMA is complete */
7190575f
GM		 4000 if (IS_QLA82XX(ha))
4001 qla82xx_chip_reset_cleanup(vha);
a9083016 4002
bddd2d65
LC		 4003 /* Requeue all commands in outstanding command list. */
4004 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4005 }
a9083016
GM		 4006}
4007
1da177e4
LT		 4008/*
4009* qla2x00_abort_isp
4010* Resets ISP and aborts all outstanding commands.
4011*
4012* Input:
4013* ha = adapter block pointer.
4014*
4015* Returns:
4016* 0 = success
4017*/
4018int
e315cd28 4019qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 4020{
476e8978 4021 int rval;
1da177e4 4022 uint8_t status = 0;
e315cd28
AC		 4023 struct qla_hw_data *ha = vha->hw;
4024 struct scsi_qla_host *vp;
73208dfd 4025 struct req_que *req = ha->req_q_map[0];
feafb7b1 4026 unsigned long flags;
1da177e4 4027
e315cd28 4028 if (vha->flags.online) {
a9083016 4029 qla2x00_abort_isp_cleanup(vha);
1da177e4 4030
85880801
AV		 4031 if (unlikely(pci_channel_offline(ha->pdev) &&
4032 ha->flags.pci_channel_io_perm_failure)) {
4033 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4034 status = 0;
4035 return status;
4036 }
4037
73208dfd 4038 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 4039
e315cd28 4040 ha->isp_ops->nvram_config(vha);
1da177e4 4041
e315cd28
AC		 4042 if (!qla2x00_restart_isp(vha)) {
4043 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 4044
e315cd28 4045 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 4046 /*
4047 * Issue marker command only when we are going
4048 * to start the I/O .
4049 */
e315cd28 4050 vha->marker_needed = 1;
1da177e4
LT		 4051 }
4052
e315cd28 4053 vha->flags.online = 1;
1da177e4 4054
fd34f556 4055 ha->isp_ops->enable_intrs(ha);
1da177e4 4056
fa2a1ce5 4057 ha->isp_abort_cnt = 0;
e315cd28 4058 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 4059
29c5397f
LC		 4060 if (IS_QLA81XX(ha))
4061 qla2x00_get_fw_version(vha,
4062 &ha->fw_major_version,
4063 &ha->fw_minor_version,
4064 &ha->fw_subminor_version,
4065 &ha->fw_attributes, &ha->fw_memory_size,
4066 ha->mpi_version, &ha->mpi_capabilities,
4067 ha->phy_version);
4068
df613b96
AV		 4069 if (ha->fce) {
4070 ha->flags.fce_enabled = 1;
4071 memset(ha->fce, 0,
4072 fce_calc_size(ha->fce_bufs));
e315cd28 4073 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 4074 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4075 &ha->fce_bufs);
4076 if (rval) {
4077 qla_printk(KERN_WARNING, ha,
4078 "Unable to reinitialize FCE "
4079 "(%d).\n", rval);
4080 ha->flags.fce_enabled = 0;
4081 }
4082 }
436a7b11
AV		 4083
4084 if (ha->eft) {
4085 memset(ha->eft, 0, EFT_SIZE);
e315cd28 4086 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 4087 ha->eft_dma, EFT_NUM_BUFFERS);
4088 if (rval) {
4089 qla_printk(KERN_WARNING, ha,
4090 "Unable to reinitialize EFT "
4091 "(%d).\n", rval);
4092 }
4093 }
1da177e4 4094 } else { /* failed the ISP abort */
e315cd28
AC		 4095 vha->flags.online = 1;
4096 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 4097 if (ha->isp_abort_cnt == 0) {
4098 qla_printk(KERN_WARNING, ha,
4099 "ISP error recovery failed - "
4100 "board disabled\n");
fa2a1ce5 4101 /*
1da177e4
LT		 4102 * The next call disables the board
4103 * completely.
4104 */
e315cd28
AC		 4105 ha->isp_ops->reset_adapter(vha);
4106 vha->flags.online = 0;
1da177e4 4107 clear_bit(ISP_ABORT_RETRY,
e315cd28 4108 &vha->dpc_flags);
1da177e4
LT		 4109 status = 0;
4110 } else { /* schedule another ISP abort */
4111 ha->isp_abort_cnt--;
4112 DEBUG(printk("qla%ld: ISP abort - "
0107109e 4113 "retry remaining %d\n",
e315cd28 4114 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 4115 status = 1;
4116 }
4117 } else {
4118 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4119 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4120 "- retrying (%d) more times\n",
e315cd28
AC		 4121 vha->host_no, ha->isp_abort_cnt));
4122 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 4123 status = 1;
4124 }
4125 }
fa2a1ce5 4126
1da177e4
LT		 4127 }
4128
e315cd28
AC		 4129 if (!status) {
4130 DEBUG(printk(KERN_INFO
4131 "qla2x00_abort_isp(%ld): succeeded.\n",
4132 vha->host_no));
feafb7b1
AE		 4133
4134 spin_lock_irqsave(&ha->vport_slock, flags);
4135 list_for_each_entry(vp, &ha->vp_list, list) {
4136 if (vp->vp_idx) {
4137 atomic_inc(&vp->vref_count);
4138 spin_unlock_irqrestore(&ha->vport_slock, flags);
4139
e315cd28 4140 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 4141
4142 spin_lock_irqsave(&ha->vport_slock, flags);
4143 atomic_dec(&vp->vref_count);
4144 }
e315cd28 4145 }
feafb7b1
AE		 4146 spin_unlock_irqrestore(&ha->vport_slock, flags);
4147
e315cd28 4148 } else {
1da177e4
LT		 4149 qla_printk(KERN_INFO, ha,
4150 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 4151 }
4152
4153 return(status);
4154}
4155
4156/*
4157* qla2x00_restart_isp
4158* restarts the ISP after a reset
4159*
4160* Input:
4161* ha = adapter block pointer.
4162*
4163* Returns:
4164* 0 = success
4165*/
4166static int
e315cd28 4167qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 4168{
c6b2fca8 4169 int status = 0;
1da177e4 4170 uint32_t wait_time;
e315cd28 4171 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 4172 struct req_que *req = ha->req_q_map[0];
4173 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 4174
4175 /* If firmware needs to be loaded */
e315cd28
AC		 4176 if (qla2x00_isp_firmware(vha)) {
4177 vha->flags.online = 0;
4178 status = ha->isp_ops->chip_diag(vha);
4179 if (!status)
4180 status = qla2x00_setup_chip(vha);
1da177e4
LT		 4181 }
4182
e315cd28
AC		 4183 if (!status && !(status = qla2x00_init_rings(vha))) {
4184 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 4185 ha->flags.chip_reset_done = 1;
73208dfd
AC		 4186 /* Initialize the queues in use */
4187 qla25xx_init_queues(ha);
4188
e315cd28
AC		 4189 status = qla2x00_fw_ready(vha);
4190 if (!status) {
1da177e4 4191 DEBUG(printk("%s(): Start configure loop, "
744f11fd 4192 "status = %d\n", __func__, status));
0107109e
AV		 4193
4194 /* Issue a marker after FW becomes ready. */
73208dfd 4195 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 4196
e315cd28 4197 vha->flags.online = 1;
1da177e4
LT		 4198 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4199 wait_time = 256;
4200 do {
e315cd28
AC		 4201 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4202 qla2x00_configure_loop(vha);
1da177e4 4203 wait_time--;
e315cd28
AC		 4204 } while (!atomic_read(&vha->loop_down_timer) &&
4205 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4206 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4207 &vha->dpc_flags)));
1da177e4
LT		 4208 }
4209
4210 /* if no cable then assume it's good */
e315cd28 4211 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 4212 status = 0;
4213
4214 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4215 __func__,
744f11fd 4216 status));
1da177e4
LT		 4217 }
4218 return (status);
4219}
4220
73208dfd
AC		 4221static int
4222qla25xx_init_queues(struct qla_hw_data *ha)
4223{
4224 struct rsp_que *rsp = NULL;
4225 struct req_que *req = NULL;
4226 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4227 int ret = -1;
4228 int i;
4229
2afa19a9 4230 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 4231 rsp = ha->rsp_q_map[i];
4232 if (rsp) {
4233 rsp->options &= ~BIT_0;
618a7523 4234 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 4235 if (ret != QLA_SUCCESS)
4236 DEBUG2_17(printk(KERN_WARNING
4237 "%s Rsp que:%d init failed\n", __func__,
4238 rsp->id));
4239 else
4240 DEBUG2_17(printk(KERN_INFO
4241 "%s Rsp que:%d inited\n", __func__,
4242 rsp->id));
4243 }
2afa19a9
AC		 4244 }
4245 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 4246 req = ha->req_q_map[i];
4247 if (req) {
29bdccbe 4248 /* Clear outstanding commands array. */
73208dfd 4249 req->options &= ~BIT_0;
618a7523 4250 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 4251 if (ret != QLA_SUCCESS)
4252 DEBUG2_17(printk(KERN_WARNING
4253 "%s Req que:%d init failed\n", __func__,
4254 req->id));
4255 else
4256 DEBUG2_17(printk(KERN_WARNING
29bdccbe 4257 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 4258 req->id));
4259 }
4260 }
4261 return ret;
4262}
4263
1da177e4
LT		 4264/*
4265* qla2x00_reset_adapter
4266* Reset adapter.
4267*
4268* Input:
4269* ha = adapter block pointer.
4270*/
abbd8870 4271void
e315cd28 4272qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 4273{
4274 unsigned long flags = 0;
e315cd28 4275 struct qla_hw_data *ha = vha->hw;
3d71644c 4276 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 4277
e315cd28 4278 vha->flags.online = 0;
fd34f556 4279 ha->isp_ops->disable_intrs(ha);
1da177e4 4280
1da177e4
LT		 4281 spin_lock_irqsave(&ha->hardware_lock, flags);
4282 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4283 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4284 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4285 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4286 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4287}
0107109e
AV		 4288
4289void
e315cd28 4290qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 4291{
4292 unsigned long flags = 0;
e315cd28 4293 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 4294 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4295
a9083016
GM		 4296 if (IS_QLA82XX(ha))
4297 return;
4298
e315cd28 4299 vha->flags.online = 0;
fd34f556 4300 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 4301
4302 spin_lock_irqsave(&ha->hardware_lock, flags);
4303 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4304 RD_REG_DWORD(&reg->hccr);
4305 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4306 RD_REG_DWORD(&reg->hccr);
4307 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 4308
4309 if (IS_NOPOLLING_TYPE(ha))
4310 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 4311}
4312
4e08df3f
DM		 4313/* On sparc systems, obtain port and node WWN from firmware
4314 * properties.
4315 */
e315cd28
AC		 4316static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4317 struct nvram_24xx *nv)
4e08df3f
DM		 4318{
4319#ifdef CONFIG_SPARC
e315cd28 4320 struct qla_hw_data *ha = vha->hw;
4e08df3f 4321 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 4322 struct device_node *dp = pci_device_to_OF_node(pdev);
4323 const u8 *val;
4e08df3f
DM		 4324 int len;
4325
4326 val = of_get_property(dp, "port-wwn", &len);
4327 if (val && len >= WWN_SIZE)
4328 memcpy(nv->port_name, val, WWN_SIZE);
4329
4330 val = of_get_property(dp, "node-wwn", &len);
4331 if (val && len >= WWN_SIZE)
4332 memcpy(nv->node_name, val, WWN_SIZE);
4333#endif
4334}
4335
0107109e 4336int
e315cd28 4337qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 4338{
4e08df3f 4339 int rval;
0107109e
AV		 4340 struct init_cb_24xx *icb;
4341 struct nvram_24xx *nv;
4342 uint32_t *dptr;
4343 uint8_t *dptr1, *dptr2;
4344 uint32_t chksum;
4345 uint16_t cnt;
e315cd28 4346 struct qla_hw_data *ha = vha->hw;
0107109e 4347
4e08df3f 4348 rval = QLA_SUCCESS;
0107109e 4349 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 4350 nv = ha->nvram;
0107109e
AV		 4351
4352 /* Determine NVRAM starting address. */
e5b68a61
AC		 4353 if (ha->flags.port0) {
4354 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4355 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4356 } else {
0107109e 4357 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 4358 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4359 }
e5b68a61
AC		 4360 ha->nvram_size = sizeof(struct nvram_24xx);
4361 ha->vpd_size = FA_NVRAM_VPD_SIZE;
a9083016
GM		 4362 if (IS_QLA82XX(ha))
4363 ha->vpd_size = FA_VPD_SIZE_82XX;
0107109e 4364
281afe19
SJ		 4365 /* Get VPD data into cache */
4366 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 4367 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 4368 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4369
4370 /* Get NVRAM data into cache and calculate checksum. */
0107109e 4371 dptr = (uint32_t *)nv;
e315cd28 4372 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 4373 ha->nvram_size);
4374 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4375 chksum += le32_to_cpu(*dptr++);
4376
7640335e 4377 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 4378 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 4379
4380 /* Bad NVRAM data, set defaults parameters. */
4381 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4382 || nv->id[3] != ' ' ||
4383 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4384 /* Reset NVRAM data. */
4385 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4386 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4387 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 4388 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4389 "invalid -- WWPN) defaults.\n");
4390
4391 /*
4392 * Set default initialization control block.
4393 */
4394 memset(nv, 0, ha->nvram_size);
4395 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4396 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4397 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4398 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4399 nv->exchange_count = __constant_cpu_to_le16(0);
4400 nv->hard_address = __constant_cpu_to_le16(124);
4401 nv->port_name[0] = 0x21;
e5b68a61 4402 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 4403 nv->port_name[2] = 0x00;
4404 nv->port_name[3] = 0xe0;
4405 nv->port_name[4] = 0x8b;
4406 nv->port_name[5] = 0x1c;
4407 nv->port_name[6] = 0x55;
4408 nv->port_name[7] = 0x86;
4409 nv->node_name[0] = 0x20;
4410 nv->node_name[1] = 0x00;
4411 nv->node_name[2] = 0x00;
4412 nv->node_name[3] = 0xe0;
4413 nv->node_name[4] = 0x8b;
4414 nv->node_name[5] = 0x1c;
4415 nv->node_name[6] = 0x55;
4416 nv->node_name[7] = 0x86;
e315cd28 4417 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 4418 nv->login_retry_count = __constant_cpu_to_le16(8);
4419 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4420 nv->login_timeout = __constant_cpu_to_le16(0);
4421 nv->firmware_options_1 =
4422 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4423 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4424 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4425 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4426 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4427 nv->efi_parameters = __constant_cpu_to_le32(0);
4428 nv->reset_delay = 5;
4429 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4430 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4431 nv->link_down_timeout = __constant_cpu_to_le16(30);
4432
4433 rval = 1;
0107109e
AV		 4434 }
4435
4436 /* Reset Initialization control block */
e315cd28 4437 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 4438
4439 /* Copy 1st segment. */
4440 dptr1 = (uint8_t *)icb;
4441 dptr2 = (uint8_t *)&nv->version;
4442 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4443 while (cnt--)
4444 *dptr1++ = *dptr2++;
4445
4446 icb->login_retry_count = nv->login_retry_count;
3ea66e28 4447 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 4448
4449 /* Copy 2nd segment. */
4450 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4451 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4452 cnt = (uint8_t *)&icb->reserved_3 -
4453 (uint8_t *)&icb->interrupt_delay_timer;
4454 while (cnt--)
4455 *dptr1++ = *dptr2++;
4456
4457 /*
4458 * Setup driver NVRAM options.
4459 */
e315cd28 4460 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 4461 "QLA2462");
0107109e 4462
5341e868
AV		 4463 /* Use alternate WWN? */
4464 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4465 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4466 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4467 }
4468
0107109e 4469 /* Prepare nodename */
fd0e7e4d 4470 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 4471 /*
4472 * Firmware will apply the following mask if the nodename was
4473 * not provided.
4474 */
4475 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4476 icb->node_name[0] &= 0xF0;
4477 }
4478
4479 /* Set host adapter parameters. */
4480 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 4481 ha->flags.enable_lip_reset = 0;
4482 ha->flags.enable_lip_full_login =
4483 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4484 ha->flags.enable_target_reset =
4485 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 4486 ha->flags.enable_led_scheme = 0;
d4c760c2 4487 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 4488
fd0e7e4d
AV		 4489 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4490 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 4491
4492 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4493 sizeof(ha->fw_seriallink_options24));
4494
4495 /* save HBA serial number */
4496 ha->serial0 = icb->port_name[5];
4497 ha->serial1 = icb->port_name[6];
4498 ha->serial2 = icb->port_name[7];
e315cd28
AC		 4499 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4500 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 4501
bc8fb3cb
AV		 4502 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4503
0107109e
AV		 4504 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4505
4506 /* Set minimum login_timeout to 4 seconds. */
4507 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4508 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4509 if (le16_to_cpu(nv->login_timeout) < 4)
4510 nv->login_timeout = __constant_cpu_to_le16(4);
4511 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 4512 icb->login_timeout = nv->login_timeout;
0107109e 4513
00a537b8
AV		 4514 /* Set minimum RATOV to 100 tenths of a second. */
4515 ha->r_a_tov = 100;
0107109e
AV		 4516
4517 ha->loop_reset_delay = nv->reset_delay;
4518
4519 /* Link Down Timeout = 0:
4520 *
4521 * When Port Down timer expires we will start returning
4522 * I/O's to OS with "DID_NO_CONNECT".
4523 *
4524 * Link Down Timeout != 0:
4525 *
4526 * The driver waits for the link to come up after link down
4527 * before returning I/Os to OS with "DID_NO_CONNECT".
4528 */
4529 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4530 ha->loop_down_abort_time =
4531 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4532 } else {
4533 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4534 ha->loop_down_abort_time =
4535 (LOOP_DOWN_TIME - ha->link_down_timeout);
4536 }
4537
4538 /* Need enough time to try and get the port back. */
4539 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4540 if (qlport_down_retry)
4541 ha->port_down_retry_count = qlport_down_retry;
4542
4543 /* Set login_retry_count */
4544 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4545 if (ha->port_down_retry_count ==
4546 le16_to_cpu(nv->port_down_retry_count) &&
4547 ha->port_down_retry_count > 3)
4548 ha->login_retry_count = ha->port_down_retry_count;
4549 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4550 ha->login_retry_count = ha->port_down_retry_count;
4551 if (ql2xloginretrycount)
4552 ha->login_retry_count = ql2xloginretrycount;
4553
4fdfefe5 4554 /* Enable ZIO. */
e315cd28 4555 if (!vha->flags.init_done) {
4fdfefe5
AV		 4556 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4557 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4558 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4559 le16_to_cpu(icb->interrupt_delay_timer): 2;
4560 }
4561 icb->firmware_options_2 &= __constant_cpu_to_le32(
4562 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 4563 vha->flags.process_response_queue = 0;
4fdfefe5 4564 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 4565 ha->zio_mode = QLA_ZIO_MODE_6;
4566
4fdfefe5 4567 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 4568 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 4569 ha->zio_timer * 100));
4570 qla_printk(KERN_INFO, ha,
4571 "ZIO mode %d enabled; timer delay (%d us).\n",
4572 ha->zio_mode, ha->zio_timer * 100);
4573
4574 icb->firmware_options_2 |= cpu_to_le32(
4575 (uint32_t)ha->zio_mode);
4576 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 4577 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 4578 }
4579
4e08df3f
DM		 4580 if (rval) {
4581 DEBUG2_3(printk(KERN_WARNING
e315cd28 4582 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 4583 }
4584 return (rval);
0107109e
AV		 4585}
4586
413975a0 4587static int
cbc8eb67
AV		 4588qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4589 uint32_t faddr)
d1c61909 4590{
73208dfd 4591 int rval = QLA_SUCCESS;
d1c61909 4592 int segments, fragment;
d1c61909
AV		 4593 uint32_t *dcode, dlen;
4594 uint32_t risc_addr;
4595 uint32_t risc_size;
4596 uint32_t i;
e315cd28 4597 struct qla_hw_data *ha = vha->hw;
73208dfd 4598 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 4599
4600 qla_printk(KERN_INFO, ha,
cbc8eb67 4601 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 4602
d1c61909
AV		 4603 rval = QLA_SUCCESS;
4604
4605 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4606 dcode = (uint32_t *)req->ring;
d1c61909
AV		 4607 *srisc_addr = 0;
4608
4609 /* Validate firmware image by checking version. */
e315cd28 4610 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 4611 for (i = 0; i < 4; i++)
4612 dcode[i] = be32_to_cpu(dcode[i]);
4613 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4614 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4615 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4616 dcode[3] == 0)) {
4617 qla_printk(KERN_WARNING, ha,
4618 "Unable to verify integrity of flash firmware image!\n");
4619 qla_printk(KERN_WARNING, ha,
4620 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4621 dcode[1], dcode[2], dcode[3]);
4622
4623 return QLA_FUNCTION_FAILED;
4624 }
4625
4626 while (segments && rval == QLA_SUCCESS) {
4627 /* Read segment's load information. */
e315cd28 4628 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 4629
4630 risc_addr = be32_to_cpu(dcode[2]);
4631 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4632 risc_size = be32_to_cpu(dcode[3]);
4633
4634 fragment = 0;
4635 while (risc_size > 0 && rval == QLA_SUCCESS) {
4636 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4637 if (dlen > risc_size)
4638 dlen = risc_size;
4639
4640 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4641 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 4642 vha->host_no, risc_addr, dlen, faddr));
d1c61909 4643
e315cd28 4644 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 4645 for (i = 0; i < dlen; i++)
4646 dcode[i] = swab32(dcode[i]);
4647
73208dfd 4648 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 4649 dlen);
4650 if (rval) {
4651 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4652 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 4653 fragment));
4654 qla_printk(KERN_WARNING, ha,
4655 "[ERROR] Failed to load segment %d of "
4656 "firmware\n", fragment);
4657 break;
4658 }
4659
4660 faddr += dlen;
4661 risc_addr += dlen;
4662 risc_size -= dlen;
4663 fragment++;
4664 }
4665
4666 /* Next segment. */
4667 segments--;
4668 }
4669
4670 return rval;
4671}
4672
d1c61909
AV		 4673#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4674
0107109e 4675int
e315cd28 4676qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 4677{
4678 int rval;
4679 int i, fragment;
4680 uint16_t *wcode, *fwcode;
4681 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4682 struct fw_blob *blob;
e315cd28 4683 struct qla_hw_data *ha = vha->hw;
73208dfd 4684 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 4685
4686 /* Load firmware blob. */
e315cd28 4687 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4688 if (!blob) {
4689 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4690 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4691 "from: " QLA_FW_URL ".\n");
5433383e
AV		 4692 return QLA_FUNCTION_FAILED;
4693 }
4694
4695 rval = QLA_SUCCESS;
4696
73208dfd 4697 wcode = (uint16_t *)req->ring;
5433383e
AV		 4698 *srisc_addr = 0;
4699 fwcode = (uint16_t *)blob->fw->data;
4700 fwclen = 0;
4701
4702 /* Validate firmware image by checking version. */
4703 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4704 qla_printk(KERN_WARNING, ha,
4705 "Unable to verify integrity of firmware image (%Zd)!\n",
4706 blob->fw->size);
4707 goto fail_fw_integrity;
4708 }
4709 for (i = 0; i < 4; i++)
4710 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4711 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4712 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4713 wcode[2] == 0 && wcode[3] == 0)) {
4714 qla_printk(KERN_WARNING, ha,
4715 "Unable to verify integrity of firmware image!\n");
4716 qla_printk(KERN_WARNING, ha,
4717 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4718 wcode[1], wcode[2], wcode[3]);
4719 goto fail_fw_integrity;
4720 }
4721
4722 seg = blob->segs;
4723 while (*seg && rval == QLA_SUCCESS) {
4724 risc_addr = *seg;
4725 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4726 risc_size = be16_to_cpu(fwcode[3]);
4727
4728 /* Validate firmware image size. */
4729 fwclen += risc_size * sizeof(uint16_t);
4730 if (blob->fw->size < fwclen) {
4731 qla_printk(KERN_WARNING, ha,
4732 "Unable to verify integrity of firmware image "
4733 "(%Zd)!\n", blob->fw->size);
4734 goto fail_fw_integrity;
4735 }
4736
4737 fragment = 0;
4738 while (risc_size > 0 && rval == QLA_SUCCESS) {
4739 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4740 if (wlen > risc_size)
4741 wlen = risc_size;
4742
4743 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4744 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 4745 risc_addr, wlen));
4746
4747 for (i = 0; i < wlen; i++)
4748 wcode[i] = swab16(fwcode[i]);
4749
73208dfd 4750 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 4751 wlen);
4752 if (rval) {
4753 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4754 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 4755 fragment));
4756 qla_printk(KERN_WARNING, ha,
4757 "[ERROR] Failed to load segment %d of "
4758 "firmware\n", fragment);
4759 break;
4760 }
4761
4762 fwcode += wlen;
4763 risc_addr += wlen;
4764 risc_size -= wlen;
4765 fragment++;
4766 }
4767
4768 /* Next segment. */
4769 seg++;
4770 }
4771 return rval;
4772
4773fail_fw_integrity:
4774 return QLA_FUNCTION_FAILED;
4775}
4776
eaac30be
AV		 4777static int
4778qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4779{
4780 int rval;
4781 int segments, fragment;
4782 uint32_t *dcode, dlen;
4783 uint32_t risc_addr;
4784 uint32_t risc_size;
4785 uint32_t i;
5433383e 4786 struct fw_blob *blob;
0107109e 4787 uint32_t *fwcode, fwclen;
e315cd28 4788 struct qla_hw_data *ha = vha->hw;
73208dfd 4789 struct req_que *req = ha->req_q_map[0];
0107109e 4790
5433383e 4791 /* Load firmware blob. */
e315cd28 4792 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4793 if (!blob) {
4794 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4795 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4796 "from: " QLA_FW_URL ".\n");
4797
eaac30be 4798 return QLA_FUNCTION_FAILED;
0107109e
AV		 4799 }
4800
eaac30be
AV		 4801 qla_printk(KERN_INFO, ha,
4802 "FW: Loading via request-firmware...\n");
4803
0107109e
AV		 4804 rval = QLA_SUCCESS;
4805
4806 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4807 dcode = (uint32_t *)req->ring;
0107109e 4808 *srisc_addr = 0;
5433383e 4809 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4810 fwclen = 0;
4811
4812 /* Validate firmware image by checking version. */
5433383e 4813 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4814 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4815 "Unable to verify integrity of firmware image (%Zd)!\n",
4816 blob->fw->size);
0107109e
AV		 4817 goto fail_fw_integrity;
4818 }
4819 for (i = 0; i < 4; i++)
4820 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4821 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4822 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4823 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4824 dcode[3] == 0)) {
4825 qla_printk(KERN_WARNING, ha,
5433383e 4826 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4827 qla_printk(KERN_WARNING, ha,
4828 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4829 dcode[1], dcode[2], dcode[3]);
4830 goto fail_fw_integrity;
4831 }
4832
4833 while (segments && rval == QLA_SUCCESS) {
4834 risc_addr = be32_to_cpu(fwcode[2]);
4835 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4836 risc_size = be32_to_cpu(fwcode[3]);
4837
4838 /* Validate firmware image size. */
4839 fwclen += risc_size * sizeof(uint32_t);
5433383e 4840 if (blob->fw->size < fwclen) {
0107109e 4841 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4842 "Unable to verify integrity of firmware image "
4843 "(%Zd)!\n", blob->fw->size);
4844
0107109e
AV		 4845 goto fail_fw_integrity;
4846 }
4847
4848 fragment = 0;
4849 while (risc_size > 0 && rval == QLA_SUCCESS) {
4850 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4851 if (dlen > risc_size)
4852 dlen = risc_size;
4853
4854 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4855 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4856 risc_addr, dlen));
4857
4858 for (i = 0; i < dlen; i++)
4859 dcode[i] = swab32(fwcode[i]);
4860
73208dfd 4861 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4862 dlen);
0107109e
AV		 4863 if (rval) {
4864 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4865 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4866 fragment));
4867 qla_printk(KERN_WARNING, ha,
4868 "[ERROR] Failed to load segment %d of "
4869 "firmware\n", fragment);
4870 break;
4871 }
4872
4873 fwcode += dlen;
4874 risc_addr += dlen;
4875 risc_size -= dlen;
4876 fragment++;
4877 }
4878
4879 /* Next segment. */
4880 segments--;
4881 }
0107109e
AV		 4882 return rval;
4883
4884fail_fw_integrity:
0107109e 4885 return QLA_FUNCTION_FAILED;
0107109e 4886}
18c6c127 4887
eaac30be
AV		 4888int
4889qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4890{
4891 int rval;
4892
e337d907
AV		 4893 if (ql2xfwloadbin == 1)
4894 return qla81xx_load_risc(vha, srisc_addr);
4895
eaac30be
AV		 4896 /*
4897 * FW Load priority:
4898 * 1) Firmware via request-firmware interface (.bin file).
4899 * 2) Firmware residing in flash.
4900 */
4901 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4902 if (rval == QLA_SUCCESS)
4903 return rval;
4904
cbc8eb67
AV		 4905 return qla24xx_load_risc_flash(vha, srisc_addr,
4906 vha->hw->flt_region_fw);
eaac30be
AV		 4907}
4908
4909int
4910qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4911{
4912 int rval;
cbc8eb67 4913 struct qla_hw_data *ha = vha->hw;
eaac30be 4914
e337d907 4915 if (ql2xfwloadbin == 2)
cbc8eb67 4916 goto try_blob_fw;
e337d907 4917
eaac30be
AV		 4918 /*
4919 * FW Load priority:
4920 * 1) Firmware residing in flash.
4921 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4922 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4923 */
cbc8eb67 4924 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4925 if (rval == QLA_SUCCESS)
4926 return rval;
4927
cbc8eb67
AV		 4928try_blob_fw:
4929 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4930 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4931 return rval;
4932
4933 qla_printk(KERN_ERR, ha,
4934 "FW: Attempting to fallback to golden firmware...\n");
4935 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4936 if (rval != QLA_SUCCESS)
4937 return rval;
4938
4939 qla_printk(KERN_ERR, ha,
4940 "FW: Please update operational firmware...\n");
4941 ha->flags.running_gold_fw = 1;
4942
4943 return rval;
eaac30be
AV		 4944}
4945
18c6c127 4946void
e315cd28 4947qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4948{
4949 int ret, retries;
e315cd28 4950 struct qla_hw_data *ha = vha->hw;
18c6c127 4951
85880801
AV		 4952 if (ha->flags.pci_channel_io_perm_failure)
4953 return;
e428924c 4954 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4955 return;
75edf81d
AV		 4956 if (!ha->fw_major_version)
4957 return;
18c6c127 4958
e315cd28 4959 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4960 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4961 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4962 ha->isp_ops->reset_chip(vha);
4963 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4964 continue;
e315cd28 4965 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4966 continue;
4967 qla_printk(KERN_INFO, ha,
4968 "Attempting retry of stop-firmware command...\n");
e315cd28 4969 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4970 }
4971}
2c3dfe3f
SJ		 4972
4973int
e315cd28 4974qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4975{
4976 int rval = QLA_SUCCESS;
4977 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4978 struct qla_hw_data *ha = vha->hw;
4979 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4980 struct req_que *req;
4981 struct rsp_que *rsp;
2c3dfe3f 4982
e315cd28 4983 if (!vha->vp_idx)
2c3dfe3f
SJ		 4984 return -EINVAL;
4985
e315cd28 4986 rval = qla2x00_fw_ready(base_vha);
7163ea81 4987 if (ha->flags.cpu_affinity_enabled)
67c2e93a
AC		 4988 req = ha->req_q_map[0];
4989 else
4990 req = vha->req;
4991 rsp = req->rsp;
4992
2c3dfe3f 4993 if (rval == QLA_SUCCESS) {
e315cd28 4994 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4995 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4996 }
4997
e315cd28 4998 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4999
5000 /* Login to SNS first */
e315cd28 5001 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 5002 if (mb[0] != MBS_COMMAND_COMPLETE) {
5003 DEBUG15(qla_printk(KERN_INFO, ha,
5004 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5005 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5006 mb[0], mb[1], mb[2], mb[6], mb[7]));
5007 return (QLA_FUNCTION_FAILED);
5008 }
5009
e315cd28
AC		 5010 atomic_set(&vha->loop_down_timer, 0);
5011 atomic_set(&vha->loop_state, LOOP_UP);
5012 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5013 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5014 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 5015
5016 return rval;
5017}
4d4df193
HK		 5018
5019/* 84XX Support **************************************************************/
5020
5021static LIST_HEAD(qla_cs84xx_list);
5022static DEFINE_MUTEX(qla_cs84xx_mutex);
5023
5024static struct qla_chip_state_84xx *
e315cd28 5025qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 5026{
5027 struct qla_chip_state_84xx *cs84xx;
e315cd28 5028 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5029
5030 mutex_lock(&qla_cs84xx_mutex);
5031
5032 /* Find any shared 84xx chip. */
5033 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5034 if (cs84xx->bus == ha->pdev->bus) {
5035 kref_get(&cs84xx->kref);
5036 goto done;
5037 }
5038 }
5039
5040 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5041 if (!cs84xx)
5042 goto done;
5043
5044 kref_init(&cs84xx->kref);
5045 spin_lock_init(&cs84xx->access_lock);
5046 mutex_init(&cs84xx->fw_update_mutex);
5047 cs84xx->bus = ha->pdev->bus;
5048
5049 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5050done:
5051 mutex_unlock(&qla_cs84xx_mutex);
5052 return cs84xx;
5053}
5054
5055static void
5056__qla84xx_chip_release(struct kref *kref)
5057{
5058 struct qla_chip_state_84xx *cs84xx =
5059 container_of(kref, struct qla_chip_state_84xx, kref);
5060
5061 mutex_lock(&qla_cs84xx_mutex);
5062 list_del(&cs84xx->list);
5063 mutex_unlock(&qla_cs84xx_mutex);
5064 kfree(cs84xx);
5065}
5066
5067void
e315cd28 5068qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 5069{
e315cd28 5070 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5071 if (ha->cs84xx)
5072 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5073}
5074
5075static int
e315cd28 5076qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 5077{
5078 int rval;
5079 uint16_t status[2];
e315cd28 5080 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5081
5082 mutex_lock(&ha->cs84xx->fw_update_mutex);
5083
e315cd28 5084 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 5085
5086 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5087
5088 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5089 QLA_SUCCESS;
5090}
3a03eb79
AV		 5091
5092/* 81XX Support **************************************************************/
5093
5094int
5095qla81xx_nvram_config(scsi_qla_host_t *vha)
5096{
5097 int rval;
5098 struct init_cb_81xx *icb;
5099 struct nvram_81xx *nv;
5100 uint32_t *dptr;
5101 uint8_t *dptr1, *dptr2;
5102 uint32_t chksum;
5103 uint16_t cnt;
5104 struct qla_hw_data *ha = vha->hw;
5105
5106 rval = QLA_SUCCESS;
5107 icb = (struct init_cb_81xx *)ha->init_cb;
5108 nv = ha->nvram;
5109
5110 /* Determine NVRAM starting address. */
5111 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 5112 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 5113
5114 /* Get VPD data into cache */
5115 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 5116 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5117 ha->vpd_size);
3a03eb79
AV		 5118
5119 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 5120 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 5121 ha->nvram_size);
3d79038f 5122 dptr = (uint32_t *)nv;
3a03eb79
AV		 5123 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5124 chksum += le32_to_cpu(*dptr++);
5125
7640335e 5126 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 5127 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5128
5129 /* Bad NVRAM data, set defaults parameters. */
5130 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5131 || nv->id[3] != ' ' ||
5132 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5133 /* Reset NVRAM data. */
5134 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5135 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5136 le16_to_cpu(nv->nvram_version));
5137 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5138 "invalid -- WWPN) defaults.\n");
5139
5140 /*
5141 * Set default initialization control block.
5142 */
5143 memset(nv, 0, ha->nvram_size);
5144 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5145 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5146 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5147 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5148 nv->exchange_count = __constant_cpu_to_le16(0);
5149 nv->port_name[0] = 0x21;
e5b68a61 5150 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 5151 nv->port_name[2] = 0x00;
5152 nv->port_name[3] = 0xe0;
5153 nv->port_name[4] = 0x8b;
5154 nv->port_name[5] = 0x1c;
5155 nv->port_name[6] = 0x55;
5156 nv->port_name[7] = 0x86;
5157 nv->node_name[0] = 0x20;
5158 nv->node_name[1] = 0x00;
5159 nv->node_name[2] = 0x00;
5160 nv->node_name[3] = 0xe0;
5161 nv->node_name[4] = 0x8b;
5162 nv->node_name[5] = 0x1c;
5163 nv->node_name[6] = 0x55;
5164 nv->node_name[7] = 0x86;
5165 nv->login_retry_count = __constant_cpu_to_le16(8);
5166 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5167 nv->login_timeout = __constant_cpu_to_le16(0);
5168 nv->firmware_options_1 =
5169 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5170 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5171 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5172 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5173 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5174 nv->efi_parameters = __constant_cpu_to_le32(0);
5175 nv->reset_delay = 5;
5176 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5177 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5178 nv->link_down_timeout = __constant_cpu_to_le16(30);
eeebcc92 5179 nv->enode_mac[0] = 0x00;
3a03eb79
AV		 5180 nv->enode_mac[1] = 0x02;
5181 nv->enode_mac[2] = 0x03;
5182 nv->enode_mac[3] = 0x04;
5183 nv->enode_mac[4] = 0x05;
e5b68a61 5184 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5185
5186 rval = 1;
5187 }
5188
5189 /* Reset Initialization control block */
5190 memset(icb, 0, sizeof(struct init_cb_81xx));
5191
5192 /* Copy 1st segment. */
5193 dptr1 = (uint8_t *)icb;
5194 dptr2 = (uint8_t *)&nv->version;
5195 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5196 while (cnt--)
5197 *dptr1++ = *dptr2++;
5198
5199 icb->login_retry_count = nv->login_retry_count;
5200
5201 /* Copy 2nd segment. */
5202 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5203 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5204 cnt = (uint8_t *)&icb->reserved_5 -
5205 (uint8_t *)&icb->interrupt_delay_timer;
5206 while (cnt--)
5207 *dptr1++ = *dptr2++;
5208
5209 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5210 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5211 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5212 icb->enode_mac[0] = 0x01;
5213 icb->enode_mac[1] = 0x02;
5214 icb->enode_mac[2] = 0x03;
5215 icb->enode_mac[3] = 0x04;
5216 icb->enode_mac[4] = 0x05;
e5b68a61 5217 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5218 }
5219
b64b0e8f
AV		 5220 /* Use extended-initialization control block. */
5221 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5222
3a03eb79
AV		 5223 /*
5224 * Setup driver NVRAM options.
5225 */
5226 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
a9083016 5227 "QLE8XXX");
3a03eb79
AV		 5228
5229 /* Use alternate WWN? */
5230 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5231 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5232 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5233 }
5234
5235 /* Prepare nodename */
5236 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5237 /*
5238 * Firmware will apply the following mask if the nodename was
5239 * not provided.
5240 */
5241 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5242 icb->node_name[0] &= 0xF0;
5243 }
5244
5245 /* Set host adapter parameters. */
5246 ha->flags.disable_risc_code_load = 0;
5247 ha->flags.enable_lip_reset = 0;
5248 ha->flags.enable_lip_full_login =
5249 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5250 ha->flags.enable_target_reset =
5251 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5252 ha->flags.enable_led_scheme = 0;
5253 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5254
5255 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5256 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5257
5258 /* save HBA serial number */
5259 ha->serial0 = icb->port_name[5];
5260 ha->serial1 = icb->port_name[6];
5261 ha->serial2 = icb->port_name[7];
5262 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5263 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5264
5265 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5266
5267 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5268
5269 /* Set minimum login_timeout to 4 seconds. */
5270 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5271 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5272 if (le16_to_cpu(nv->login_timeout) < 4)
5273 nv->login_timeout = __constant_cpu_to_le16(4);
5274 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5275 icb->login_timeout = nv->login_timeout;
5276
5277 /* Set minimum RATOV to 100 tenths of a second. */
5278 ha->r_a_tov = 100;
5279
5280 ha->loop_reset_delay = nv->reset_delay;
5281
5282 /* Link Down Timeout = 0:
5283 *
5284 * When Port Down timer expires we will start returning
5285 * I/O's to OS with "DID_NO_CONNECT".
5286 *
5287 * Link Down Timeout != 0:
5288 *
5289 * The driver waits for the link to come up after link down
5290 * before returning I/Os to OS with "DID_NO_CONNECT".
5291 */
5292 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5293 ha->loop_down_abort_time =
5294 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5295 } else {
5296 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5297 ha->loop_down_abort_time =
5298 (LOOP_DOWN_TIME - ha->link_down_timeout);
5299 }
5300
5301 /* Need enough time to try and get the port back. */
5302 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5303 if (qlport_down_retry)
5304 ha->port_down_retry_count = qlport_down_retry;
5305
5306 /* Set login_retry_count */
5307 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5308 if (ha->port_down_retry_count ==
5309 le16_to_cpu(nv->port_down_retry_count) &&
5310 ha->port_down_retry_count > 3)
5311 ha->login_retry_count = ha->port_down_retry_count;
5312 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5313 ha->login_retry_count = ha->port_down_retry_count;
5314 if (ql2xloginretrycount)
5315 ha->login_retry_count = ql2xloginretrycount;
5316
5317 /* Enable ZIO. */
5318 if (!vha->flags.init_done) {
5319 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5320 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5321 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5322 le16_to_cpu(icb->interrupt_delay_timer): 2;
5323 }
5324 icb->firmware_options_2 &= __constant_cpu_to_le32(
5325 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5326 vha->flags.process_response_queue = 0;
5327 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5328 ha->zio_mode = QLA_ZIO_MODE_6;
5329
5330 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5331 "(%d us).\n", vha->host_no, ha->zio_mode,
5332 ha->zio_timer * 100));
5333 qla_printk(KERN_INFO, ha,
5334 "ZIO mode %d enabled; timer delay (%d us).\n",
5335 ha->zio_mode, ha->zio_timer * 100);
5336
5337 icb->firmware_options_2 |= cpu_to_le32(
5338 (uint32_t)ha->zio_mode);
5339 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5340 vha->flags.process_response_queue = 1;
5341 }
5342
5343 if (rval) {
5344 DEBUG2_3(printk(KERN_WARNING
5345 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5346 }
5347 return (rval);
5348}
5349
a9083016
GM		 5350int
5351qla82xx_restart_isp(scsi_qla_host_t *vha)
5352{
5353 int status, rval;
5354 uint32_t wait_time;
5355 struct qla_hw_data *ha = vha->hw;
5356 struct req_que *req = ha->req_q_map[0];
5357 struct rsp_que *rsp = ha->rsp_q_map[0];
5358 struct scsi_qla_host *vp;
feafb7b1 5359 unsigned long flags;
a9083016
GM		 5360
5361 status = qla2x00_init_rings(vha);
5362 if (!status) {
5363 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5364 ha->flags.chip_reset_done = 1;
5365
5366 status = qla2x00_fw_ready(vha);
5367 if (!status) {
5368 qla_printk(KERN_INFO, ha,
5369 "%s(): Start configure loop, "
5370 "status = %d\n", __func__, status);
5371
5372 /* Issue a marker after FW becomes ready. */
5373 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5374
5375 vha->flags.online = 1;
5376 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5377 wait_time = 256;
5378 do {
5379 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5380 qla2x00_configure_loop(vha);
5381 wait_time--;
5382 } while (!atomic_read(&vha->loop_down_timer) &&
5383 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5384 wait_time &&
5385 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5386 }
5387
5388 /* if no cable then assume it's good */
5389 if ((vha->device_flags & DFLG_NO_CABLE))
5390 status = 0;
5391
5392 qla_printk(KERN_INFO, ha,
5393 "%s(): Configure loop done, status = 0x%x\n",
5394 __func__, status);
5395 }
5396
5397 if (!status) {
5398 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5399
5400 if (!atomic_read(&vha->loop_down_timer)) {
5401 /*
5402 * Issue marker command only when we are going
5403 * to start the I/O .
5404 */
5405 vha->marker_needed = 1;
5406 }
5407
5408 vha->flags.online = 1;
5409
5410 ha->isp_ops->enable_intrs(ha);
5411
5412 ha->isp_abort_cnt = 0;
5413 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5414
5415 if (ha->fce) {
5416 ha->flags.fce_enabled = 1;
5417 memset(ha->fce, 0,
5418 fce_calc_size(ha->fce_bufs));
5419 rval = qla2x00_enable_fce_trace(vha,
5420 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5421 &ha->fce_bufs);
5422 if (rval) {
5423 qla_printk(KERN_WARNING, ha,
5424 "Unable to reinitialize FCE "
5425 "(%d).\n", rval);
5426 ha->flags.fce_enabled = 0;
5427 }
5428 }
5429
5430 if (ha->eft) {
5431 memset(ha->eft, 0, EFT_SIZE);
5432 rval = qla2x00_enable_eft_trace(vha,
5433 ha->eft_dma, EFT_NUM_BUFFERS);
5434 if (rval) {
5435 qla_printk(KERN_WARNING, ha,
5436 "Unable to reinitialize EFT "
5437 "(%d).\n", rval);
5438 }
5439 }
a9083016
GM		 5440 }
5441
5442 if (!status) {
5443 DEBUG(printk(KERN_INFO
5444 "qla82xx_restart_isp(%ld): succeeded.\n",
5445 vha->host_no));
feafb7b1
AE		 5446
5447 spin_lock_irqsave(&ha->vport_slock, flags);
5448 list_for_each_entry(vp, &ha->vp_list, list) {
5449 if (vp->vp_idx) {
5450 atomic_inc(&vp->vref_count);
5451 spin_unlock_irqrestore(&ha->vport_slock, flags);
5452
a9083016 5453 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 5454
5455 spin_lock_irqsave(&ha->vport_slock, flags);
5456 atomic_dec(&vp->vref_count);
5457 }
a9083016 5458 }
feafb7b1
AE		 5459 spin_unlock_irqrestore(&ha->vport_slock, flags);
5460
a9083016
GM		 5461 } else {
5462 qla_printk(KERN_INFO, ha,
5463 "qla82xx_restart_isp: **** FAILED ****\n");
5464 }
5465
5466 return status;
5467}
5468
3a03eb79 5469void
ae97c91e 5470qla81xx_update_fw_options(scsi_qla_host_t *vha)
3a03eb79 5471{
ae97c91e
AV		 5472 struct qla_hw_data *ha = vha->hw;
5473
5474 if (!ql2xetsenable)
5475 return;
5476
5477 /* Enable ETS Burst. */
5478 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5479 ha->fw_options[2] |= BIT_9;
5480 qla2x00_set_fw_options(vha, ha->fw_options);
3a03eb79 5481}
09ff701a
SR		 5482
5483/*
5484 * qla24xx_get_fcp_prio
5485 * Gets the fcp cmd priority value for the logged in port.
5486 * Looks for a match of the port descriptors within
5487 * each of the fcp prio config entries. If a match is found,
5488 * the tag (priority) value is returned.
5489 *
5490 * Input:
21090cbe 5491 * vha = scsi host structure pointer.
09ff701a
SR		 5492 * fcport = port structure pointer.
5493 *
5494 * Return:
6c452a45 5495 * non-zero (if found)
09ff701a
SR		 5496 * 0 (if not found)
5497 *
5498 * Context:
5499 * Kernel context
5500 */
5501uint8_t
5502qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5503{
5504 int i, entries;
5505 uint8_t pid_match, wwn_match;
5506 uint8_t priority;
5507 uint32_t pid1, pid2;
5508 uint64_t wwn1, wwn2;
5509 struct qla_fcp_prio_entry *pri_entry;
5510 struct qla_hw_data *ha = vha->hw;
5511
5512 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
5513 return 0;
5514
5515 priority = 0;
5516 entries = ha->fcp_prio_cfg->num_entries;
5517 pri_entry = &ha->fcp_prio_cfg->entry[0];
5518
5519 for (i = 0; i < entries; i++) {
5520 pid_match = wwn_match = 0;
5521
5522 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5523 pri_entry++;
5524 continue;
5525 }
5526
5527 /* check source pid for a match */
5528 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5529 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5530 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5531 if (pid1 == INVALID_PORT_ID)
5532 pid_match++;
5533 else if (pid1 == pid2)
5534 pid_match++;
5535 }
5536
5537 /* check destination pid for a match */
5538 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5539 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5540 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5541 if (pid1 == INVALID_PORT_ID)
5542 pid_match++;
5543 else if (pid1 == pid2)
5544 pid_match++;
5545 }
5546
5547 /* check source WWN for a match */
5548 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5549 wwn1 = wwn_to_u64(vha->port_name);
5550 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5551 if (wwn2 == (uint64_t)-1)
5552 wwn_match++;
5553 else if (wwn1 == wwn2)
5554 wwn_match++;
5555 }
5556
5557 /* check destination WWN for a match */
5558 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5559 wwn1 = wwn_to_u64(fcport->port_name);
5560 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5561 if (wwn2 == (uint64_t)-1)
5562 wwn_match++;
5563 else if (wwn1 == wwn2)
5564 wwn_match++;
5565 }
5566
5567 if (pid_match == 2 || wwn_match == 2) {
5568 /* Found a matching entry */
5569 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5570 priority = pri_entry->tag;
5571 break;
5572 }
5573
5574 pri_entry++;
5575 }
5576
5577 return priority;
5578}
5579
5580/*
5581 * qla24xx_update_fcport_fcp_prio
5582 * Activates fcp priority for the logged in fc port
5583 *
5584 * Input:
21090cbe 5585 * vha = scsi host structure pointer.
09ff701a
SR		 5586 * fcp = port structure pointer.
5587 *
5588 * Return:
5589 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5590 *
5591 * Context:
5592 * Kernel context.
5593 */
5594int
21090cbe 5595qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
09ff701a
SR		 5596{
5597 int ret;
5598 uint8_t priority;
5599 uint16_t mb[5];
5600
21090cbe
MI		 5601 if (fcport->port_type != FCT_TARGET ||
5602 fcport->loop_id == FC_NO_LOOP_ID)
09ff701a
SR		 5603 return QLA_FUNCTION_FAILED;
5604
21090cbe
MI		 5605 priority = qla24xx_get_fcp_prio(vha, fcport);
5606 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
09ff701a
SR		 5607 if (ret == QLA_SUCCESS)
5608 fcport->fcp_prio = priority;
5609 else
5610 DEBUG2(printk(KERN_WARNING
5611 "scsi(%ld): Unable to activate fcp priority, "
21090cbe 5612 " ret=0x%x\n", vha->host_no, ret));
09ff701a
SR		 5613
5614 return ret;
5615}
5616
5617/*
5618 * qla24xx_update_all_fcp_prio
5619 * Activates fcp priority for all the logged in ports
5620 *
5621 * Input:
5622 * ha = adapter block pointer.
5623 *
5624 * Return:
5625 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5626 *
5627 * Context:
5628 * Kernel context.
5629 */
5630int
5631qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5632{
5633 int ret;
5634 fc_port_t *fcport;
5635
5636 ret = QLA_FUNCTION_FAILED;
5637 /* We need to set priority for all logged in ports */
5638 list_for_each_entry(fcport, &vha->vp_fcports, list)
5639 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5640
5641 return ret;
5642}
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