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[SCSI] qla2xxx: Allow an override of the registered maximum LUN.
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
07e264b7 3 * Copyright (c) 2003-2011 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
4d4df193
HK		 38static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
39static int qla84xx_init_chip(scsi_qla_host_t *);
73208dfd 40static int qla25xx_init_queues(struct qla_hw_data *);
4d4df193 41
ac280b67
AV		 42/* SRB Extensions ---------------------------------------------------------- */
43
44static void
45qla2x00_ctx_sp_timeout(unsigned long __data)
46{
47 srb_t *sp = (srb_t *)__data;
48 struct srb_ctx *ctx;
4916392b 49 struct srb_iocb *iocb;
ac280b67
AV		 50 fc_port_t *fcport = sp->fcport;
51 struct qla_hw_data *ha = fcport->vha->hw;
52 struct req_que *req;
53 unsigned long flags;
54
55 spin_lock_irqsave(&ha->hardware_lock, flags);
56 req = ha->req_q_map[0];
57 req->outstanding_cmds[sp->handle] = NULL;
58 ctx = sp->ctx;
4916392b
MI		 59 iocb = ctx->u.iocb_cmd;
60 iocb->timeout(sp);
4916392b 61 iocb->free(sp);
6ac52608 62 spin_unlock_irqrestore(&ha->hardware_lock, flags);
ac280b67
AV		 63}
64
3dbe756a 65static void
ac280b67
AV		 66qla2x00_ctx_sp_free(srb_t *sp)
67{
68 struct srb_ctx *ctx = sp->ctx;
4916392b 69 struct srb_iocb *iocb = ctx->u.iocb_cmd;
feafb7b1 70 struct scsi_qla_host *vha = sp->fcport->vha;
ac280b67 71
4d97cc53 72 del_timer(&iocb->timer);
4916392b 73 kfree(iocb);
ac280b67
AV		 74 kfree(ctx);
75 mempool_free(sp, sp->fcport->vha->hw->srb_mempool);
feafb7b1
AE		 76
77 QLA_VHA_MARK_NOT_BUSY(vha);
ac280b67
AV		 78}
79
80inline srb_t *
81qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size,
82 unsigned long tmo)
83{
feafb7b1 84 srb_t *sp = NULL;
ac280b67
AV		 85 struct qla_hw_data *ha = vha->hw;
86 struct srb_ctx *ctx;
4916392b 87 struct srb_iocb *iocb;
feafb7b1
AE		 88 uint8_t bail;
89
90 QLA_VHA_MARK_BUSY(vha, bail);
91 if (bail)
92 return NULL;
ac280b67
AV		 93
94 sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
95 if (!sp)
96 goto done;
97 ctx = kzalloc(size, GFP_KERNEL);
98 if (!ctx) {
99 mempool_free(sp, ha->srb_mempool);
4916392b
MI		 100 sp = NULL;
101 goto done;
102 }
103 iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL);
104 if (!iocb) {
105 mempool_free(sp, ha->srb_mempool);
106 sp = NULL;
107 kfree(ctx);
ac280b67
AV		 108 goto done;
109 }
110
111 memset(sp, 0, sizeof(*sp));
112 sp->fcport = fcport;
113 sp->ctx = ctx;
4916392b
MI		 114 ctx->u.iocb_cmd = iocb;
115 iocb->free = qla2x00_ctx_sp_free;
ac280b67 116
4916392b 117 init_timer(&iocb->timer);
ac280b67
AV		 118 if (!tmo)
119 goto done;
4916392b
MI		 120 iocb->timer.expires = jiffies + tmo * HZ;
121 iocb->timer.data = (unsigned long)sp;
122 iocb->timer.function = qla2x00_ctx_sp_timeout;
123 add_timer(&iocb->timer);
ac280b67 124done:
feafb7b1
AE		 125 if (!sp)
126 QLA_VHA_MARK_NOT_BUSY(vha);
ac280b67
AV		 127 return sp;
128}
129
130/* Asynchronous Login/Logout Routines -------------------------------------- */
131
5b91490e
AV		 132static inline unsigned long
133qla2x00_get_async_timeout(struct scsi_qla_host *vha)
134{
135 unsigned long tmo;
136 struct qla_hw_data *ha = vha->hw;
137
138 /* Firmware should use switch negotiated r_a_tov for timeout. */
139 tmo = ha->r_a_tov / 10 * 2;
140 if (!IS_FWI2_CAPABLE(ha)) {
141 /*
142 * Except for earlier ISPs where the timeout is seeded from the
143 * initialization control block.
144 */
145 tmo = ha->login_timeout;
146 }
147 return tmo;
148}
ac280b67
AV		 149
150static void
3822263e 151qla2x00_async_iocb_timeout(srb_t *sp)
ac280b67
AV		 152{
153 fc_port_t *fcport = sp->fcport;
4916392b 154 struct srb_ctx *ctx = sp->ctx;
ac280b67
AV		 155
156 DEBUG2(printk(KERN_WARNING
d3fa9e7d
AV		 157 "scsi(%ld:%x): Async-%s timeout - portid=%02x%02x%02x.\n",
158 fcport->vha->host_no, sp->handle,
159 ctx->name, fcport->d_id.b.domain,
160 fcport->d_id.b.area, fcport->d_id.b.al_pa));
ac280b67 161
5ff1d584 162 fcport->flags &= ~FCF_ASYNC_SENT;
6ac52608
AV		 163 if (ctx->type == SRB_LOGIN_CMD) {
164 struct srb_iocb *lio = ctx->u.iocb_cmd;
ac280b67 165 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
6ac52608
AV		 166 /* Retry as needed. */
167 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
168 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
169 QLA_LOGIO_LOGIN_RETRIED : 0;
170 qla2x00_post_async_login_done_work(fcport->vha, fcport,
171 lio->u.logio.data);
172 }
ac280b67
AV		 173}
174
99b0bec7
AV		 175static void
176qla2x00_async_login_ctx_done(srb_t *sp)
177{
4916392b
MI		 178 struct srb_ctx *ctx = sp->ctx;
179 struct srb_iocb *lio = ctx->u.iocb_cmd;
99b0bec7
AV		 180
181 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 182 lio->u.logio.data);
183 lio->free(sp);
99b0bec7
AV		 184}
185
ac280b67
AV		 186int
187qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
188 uint16_t *data)
189{
ac280b67 190 srb_t *sp;
4916392b
MI		 191 struct srb_ctx *ctx;
192 struct srb_iocb *lio;
ac280b67
AV		 193 int rval;
194
195 rval = QLA_FUNCTION_FAILED;
4916392b 196 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 197 qla2x00_get_async_timeout(vha) + 2);
ac280b67
AV		 198 if (!sp)
199 goto done;
200
4916392b
MI		 201 ctx = sp->ctx;
202 ctx->type = SRB_LOGIN_CMD;
203 ctx->name = "login";
204 lio = ctx->u.iocb_cmd;
3822263e 205 lio->timeout = qla2x00_async_iocb_timeout;
4916392b
MI		 206 lio->done = qla2x00_async_login_ctx_done;
207 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
ac280b67 208 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
4916392b 209 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
ac280b67
AV		 210 rval = qla2x00_start_sp(sp);
211 if (rval != QLA_SUCCESS)
212 goto done_free_sp;
213
214 DEBUG2(printk(KERN_DEBUG
215 "scsi(%ld:%x): Async-login - loop-id=%x portid=%02x%02x%02x "
216 "retries=%d.\n", fcport->vha->host_no, sp->handle, fcport->loop_id,
217 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
218 fcport->login_retry));
219 return rval;
220
221done_free_sp:
4916392b 222 lio->free(sp);
ac280b67
AV		 223done:
224 return rval;
225}
226
99b0bec7
AV		 227static void
228qla2x00_async_logout_ctx_done(srb_t *sp)
229{
4916392b
MI		 230 struct srb_ctx *ctx = sp->ctx;
231 struct srb_iocb *lio = ctx->u.iocb_cmd;
99b0bec7
AV		 232
233 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 234 lio->u.logio.data);
235 lio->free(sp);
99b0bec7
AV		 236}
237
ac280b67
AV		 238int
239qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
240{
ac280b67 241 srb_t *sp;
4916392b
MI		 242 struct srb_ctx *ctx;
243 struct srb_iocb *lio;
ac280b67
AV		 244 int rval;
245
246 rval = QLA_FUNCTION_FAILED;
4916392b 247 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 248 qla2x00_get_async_timeout(vha) + 2);
ac280b67
AV		 249 if (!sp)
250 goto done;
251
4916392b
MI		 252 ctx = sp->ctx;
253 ctx->type = SRB_LOGOUT_CMD;
254 ctx->name = "logout";
255 lio = ctx->u.iocb_cmd;
3822263e 256 lio->timeout = qla2x00_async_iocb_timeout;
4916392b 257 lio->done = qla2x00_async_logout_ctx_done;
ac280b67
AV		 258 rval = qla2x00_start_sp(sp);
259 if (rval != QLA_SUCCESS)
260 goto done_free_sp;
261
262 DEBUG2(printk(KERN_DEBUG
263 "scsi(%ld:%x): Async-logout - loop-id=%x portid=%02x%02x%02x.\n",
264 fcport->vha->host_no, sp->handle, fcport->loop_id,
265 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
266 return rval;
267
268done_free_sp:
4916392b 269 lio->free(sp);
ac280b67
AV		 270done:
271 return rval;
272}
273
5ff1d584
AV		 274static void
275qla2x00_async_adisc_ctx_done(srb_t *sp)
276{
4916392b
MI		 277 struct srb_ctx *ctx = sp->ctx;
278 struct srb_iocb *lio = ctx->u.iocb_cmd;
5ff1d584
AV		 279
280 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
4916392b
MI		 281 lio->u.logio.data);
282 lio->free(sp);
5ff1d584
AV		 283}
284
285int
286qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
287 uint16_t *data)
288{
5ff1d584 289 srb_t *sp;
4916392b
MI		 290 struct srb_ctx *ctx;
291 struct srb_iocb *lio;
5ff1d584
AV		 292 int rval;
293
294 rval = QLA_FUNCTION_FAILED;
4916392b 295 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 296 qla2x00_get_async_timeout(vha) + 2);
5ff1d584
AV		 297 if (!sp)
298 goto done;
299
4916392b
MI		 300 ctx = sp->ctx;
301 ctx->type = SRB_ADISC_CMD;
302 ctx->name = "adisc";
303 lio = ctx->u.iocb_cmd;
3822263e 304 lio->timeout = qla2x00_async_iocb_timeout;
4916392b 305 lio->done = qla2x00_async_adisc_ctx_done;
5ff1d584 306 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
4916392b 307 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
5ff1d584
AV		 308 rval = qla2x00_start_sp(sp);
309 if (rval != QLA_SUCCESS)
310 goto done_free_sp;
311
312 DEBUG2(printk(KERN_DEBUG
313 "scsi(%ld:%x): Async-adisc - loop-id=%x portid=%02x%02x%02x.\n",
314 fcport->vha->host_no, sp->handle, fcport->loop_id,
315 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
316
317 return rval;
318
319done_free_sp:
4916392b 320 lio->free(sp);
5ff1d584
AV		 321done:
322 return rval;
323}
324
3822263e
MI		 325static void
326qla2x00_async_tm_cmd_ctx_done(srb_t *sp)
327{
328 struct srb_ctx *ctx = sp->ctx;
329 struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd;
330
331 qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb);
332 iocb->free(sp);
333}
334
335int
336qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
337 uint32_t tag)
338{
339 struct scsi_qla_host *vha = fcport->vha;
3822263e
MI		 340 srb_t *sp;
341 struct srb_ctx *ctx;
342 struct srb_iocb *tcf;
343 int rval;
344
345 rval = QLA_FUNCTION_FAILED;
346 sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx),
5b91490e 347 qla2x00_get_async_timeout(vha) + 2);
3822263e
MI		 348 if (!sp)
349 goto done;
350
351 ctx = sp->ctx;
352 ctx->type = SRB_TM_CMD;
353 ctx->name = "tmf";
354 tcf = ctx->u.iocb_cmd;
355 tcf->u.tmf.flags = flags;
356 tcf->u.tmf.lun = lun;
357 tcf->u.tmf.data = tag;
358 tcf->timeout = qla2x00_async_iocb_timeout;
359 tcf->done = qla2x00_async_tm_cmd_ctx_done;
360
361 rval = qla2x00_start_sp(sp);
362 if (rval != QLA_SUCCESS)
363 goto done_free_sp;
364
365 DEBUG2(printk(KERN_DEBUG
366 "scsi(%ld:%x): Async-tmf - loop-id=%x portid=%02x%02x%02x.\n",
367 fcport->vha->host_no, sp->handle, fcport->loop_id,
368 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa));
369
370 return rval;
371
372done_free_sp:
373 tcf->free(sp);
374done:
375 return rval;
376}
377
4916392b 378void
ac280b67
AV		 379qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
380 uint16_t *data)
381{
382 int rval;
ac280b67
AV		 383
384 switch (data[0]) {
385 case MBS_COMMAND_COMPLETE:
a4f92a32
AV		 386 /*
387 * Driver must validate login state - If PRLI not complete,
388 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
389 * requests.
390 */
391 rval = qla2x00_get_port_database(vha, fcport, 0);
392 if (rval != QLA_SUCCESS) {
393 qla2x00_post_async_logout_work(vha, fcport, NULL);
394 qla2x00_post_async_login_work(vha, fcport, NULL);
395 break;
396 }
99b0bec7 397 if (fcport->flags & FCF_FCP2_DEVICE) {
5ff1d584
AV		 398 qla2x00_post_async_adisc_work(vha, fcport, data);
399 break;
99b0bec7
AV		 400 }
401 qla2x00_update_fcport(vha, fcport);
ac280b67
AV		 402 break;
403 case MBS_COMMAND_ERROR:
5ff1d584 404 fcport->flags &= ~FCF_ASYNC_SENT;
ac280b67
AV		 405 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
406 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
407 else
80d79440 408 qla2x00_mark_device_lost(vha, fcport, 1, 0);
ac280b67
AV		 409 break;
410 case MBS_PORT_ID_USED:
411 fcport->loop_id = data[1];
6ac52608 412 qla2x00_post_async_logout_work(vha, fcport, NULL);
ac280b67
AV		 413 qla2x00_post_async_login_work(vha, fcport, NULL);
414 break;
415 case MBS_LOOP_ID_USED:
416 fcport->loop_id++;
417 rval = qla2x00_find_new_loop_id(vha, fcport);
418 if (rval != QLA_SUCCESS) {
5ff1d584 419 fcport->flags &= ~FCF_ASYNC_SENT;
80d79440 420 qla2x00_mark_device_lost(vha, fcport, 1, 0);
ac280b67
AV		 421 break;
422 }
423 qla2x00_post_async_login_work(vha, fcport, NULL);
424 break;
425 }
4916392b 426 return;
ac280b67
AV		 427}
428
4916392b 429void
ac280b67
AV		 430qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
431 uint16_t *data)
432{
433 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4916392b 434 return;
ac280b67
AV		 435}
436
4916392b 437void
5ff1d584
AV		 438qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
439 uint16_t *data)
440{
441 if (data[0] == MBS_COMMAND_COMPLETE) {
442 qla2x00_update_fcport(vha, fcport);
443
4916392b 444 return;
5ff1d584
AV		 445 }
446
447 /* Retry login. */
448 fcport->flags &= ~FCF_ASYNC_SENT;
449 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
450 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
451 else
80d79440 452 qla2x00_mark_device_lost(vha, fcport, 1, 0);
5ff1d584 453
4916392b 454 return;
5ff1d584
AV		 455}
456
3822263e
MI		 457void
458qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport,
459 struct srb_iocb *iocb)
460{
461 int rval;
462 uint32_t flags;
463 uint16_t lun;
464
465 flags = iocb->u.tmf.flags;
466 lun = (uint16_t)iocb->u.tmf.lun;
467
468 /* Issue Marker IOCB */
d94d10e7
GM		 469 rval = qla2x00_marker(vha, vha->hw->req_q_map[0],
470 vha->hw->rsp_q_map[0], fcport->loop_id, lun,
3822263e
MI		 471 flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
472
473 if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) {
474 DEBUG2_3_11(printk(KERN_WARNING
475 "%s(%ld): TM IOCB failed (%x).\n",
476 __func__, vha->host_no, rval));
477 }
478
479 return;
480}
481
1da177e4
LT		 482/****************************************************************************/
483/* QLogic ISP2x00 Hardware Support Functions. */
484/****************************************************************************/
485
486/*
487* qla2x00_initialize_adapter
488* Initialize board.
489*
490* Input:
491* ha = adapter block pointer.
492*
493* Returns:
494* 0 = success
495*/
496int
e315cd28 497qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 498{
499 int rval;
e315cd28 500 struct qla_hw_data *ha = vha->hw;
73208dfd 501 struct req_que *req = ha->req_q_map[0];
2533cf67 502
1da177e4 503 /* Clear adapter flags. */
e315cd28 504 vha->flags.online = 0;
2533cf67 505 ha->flags.chip_reset_done = 0;
e315cd28 506 vha->flags.reset_active = 0;
85880801
AV		 507 ha->flags.pci_channel_io_perm_failure = 0;
508 ha->flags.eeh_busy = 0;
794a5691 509 ha->flags.thermal_supported = 1;
e315cd28
AC		 510 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
511 atomic_set(&vha->loop_state, LOOP_DOWN);
512 vha->device_flags = DFLG_NO_CABLE;
513 vha->dpc_flags = 0;
514 vha->flags.management_server_logged_in = 0;
515 vha->marker_needed = 0;
1da177e4
LT		 516 ha->isp_abort_cnt = 0;
517 ha->beacon_blink_led = 0;
518
73208dfd
AC		 519 set_bit(0, ha->req_qid_map);
520 set_bit(0, ha->rsp_qid_map);
521
0107109e 522 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
e315cd28 523 rval = ha->isp_ops->pci_config(vha);
1da177e4 524 if (rval) {
7c98a046 525 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
e315cd28 526 vha->host_no));
1da177e4
LT		 527 return (rval);
528 }
529
e315cd28 530 ha->isp_ops->reset_chip(vha);
1da177e4 531
e315cd28 532 rval = qla2xxx_get_flash_info(vha);
c00d8994
AV		 533 if (rval) {
534 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
e315cd28 535 vha->host_no));
c00d8994
AV		 536 return (rval);
537 }
538
73208dfd 539 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 540
1da177e4 541 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 542
e315cd28 543 ha->isp_ops->nvram_config(vha);
1da177e4 544
d4c760c2
AV		 545 if (ha->flags.disable_serdes) {
546 /* Mask HBA via NVRAM settings? */
547 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
548 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
e315cd28
AC		 549 vha->port_name[0], vha->port_name[1],
550 vha->port_name[2], vha->port_name[3],
551 vha->port_name[4], vha->port_name[5],
552 vha->port_name[6], vha->port_name[7]);
d4c760c2
AV		 553 return QLA_FUNCTION_FAILED;
554 }
555
1da177e4
LT		 556 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
557
e315cd28
AC		 558 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
559 rval = ha->isp_ops->chip_diag(vha);
d19044c3
AV		 560 if (rval)
561 return (rval);
e315cd28 562 rval = qla2x00_setup_chip(vha);
d19044c3
AV		 563 if (rval)
564 return (rval);
1da177e4 565 }
a9083016 566
4d4df193 567 if (IS_QLA84XX(ha)) {
e315cd28 568 ha->cs84xx = qla84xx_get_chip(vha);
4d4df193
HK		 569 if (!ha->cs84xx) {
570 qla_printk(KERN_ERR, ha,
571 "Unable to configure ISP84XX.\n");
572 return QLA_FUNCTION_FAILED;
573 }
574 }
e315cd28 575 rval = qla2x00_init_rings(vha);
2533cf67 576 ha->flags.chip_reset_done = 1;
1da177e4 577
9a069e19 578 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
6c452a45 579 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
9a069e19
GM		 580 rval = qla84xx_init_chip(vha);
581 if (rval != QLA_SUCCESS) {
582 qla_printk(KERN_ERR, ha,
583 "Unable to initialize ISP84XX.\n");
584 qla84xx_put_chip(vha);
585 }
586 }
587
2f0f3f4f
MI		 588 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
589 qla24xx_read_fcp_prio_cfg(vha);
09ff701a 590
1da177e4
LT		 591 return (rval);
592}
593
594/**
abbd8870 595 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 596 * @ha: HA context
597 *
598 * Returns 0 on success.
599 */
abbd8870 600int
e315cd28 601qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 602{
a157b101 603 uint16_t w;
abbd8870 604 unsigned long flags;
e315cd28 605 struct qla_hw_data *ha = vha->hw;
3d71644c 606 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 607
1da177e4 608 pci_set_master(ha->pdev);
af6177d8 609 pci_try_set_mwi(ha->pdev);
1da177e4 610
1da177e4 611 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 612 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 613 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
614
737faece 615 pci_disable_rom(ha->pdev);
1da177e4
LT		 616
617 /* Get PCI bus information. */
618 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 619 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 620 spin_unlock_irqrestore(&ha->hardware_lock, flags);
621
abbd8870
AV		 622 return QLA_SUCCESS;
623}
1da177e4 624
abbd8870
AV		 625/**
626 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
627 * @ha: HA context
628 *
629 * Returns 0 on success.
630 */
631int
e315cd28 632qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 633{
a157b101 634 uint16_t w;
abbd8870
AV		 635 unsigned long flags = 0;
636 uint32_t cnt;
e315cd28 637 struct qla_hw_data *ha = vha->hw;
3d71644c 638 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 639
abbd8870 640 pci_set_master(ha->pdev);
af6177d8 641 pci_try_set_mwi(ha->pdev);
1da177e4 642
abbd8870 643 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 644 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 645
abbd8870
AV		 646 if (IS_QLA2322(ha) || IS_QLA6322(ha))
647 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 648 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 649
abbd8870
AV		 650 /*
651 * If this is a 2300 card and not 2312, reset the
652 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
653 * the 2310 also reports itself as a 2300 so we need to get the
654 * fb revision level -- a 6 indicates it really is a 2300 and
655 * not a 2310.
656 */
657 if (IS_QLA2300(ha)) {
658 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 659
abbd8870 660 /* Pause RISC. */
3d71644c 661 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 662 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 663 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 664 break;
1da177e4 665
abbd8870
AV		 666 udelay(10);
667 }
1da177e4 668
abbd8870 669 /* Select FPM registers. */
3d71644c
AV		 670 WRT_REG_WORD(&reg->ctrl_status, 0x20);
671 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 672
673 /* Get the fb rev level */
3d71644c 674 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 675
676 if (ha->fb_rev == FPM_2300)
a157b101 677 pci_clear_mwi(ha->pdev);
abbd8870
AV		 678
679 /* Deselect FPM registers. */
3d71644c
AV		 680 WRT_REG_WORD(&reg->ctrl_status, 0x0);
681 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 682
683 /* Release RISC module. */
3d71644c 684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 685 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 686 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 687 break;
688
689 udelay(10);
1da177e4 690 }
1da177e4 691
abbd8870
AV		 692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693 }
1da177e4 694
abbd8870
AV		 695 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
696
737faece 697 pci_disable_rom(ha->pdev);
1da177e4 698
abbd8870
AV		 699 /* Get PCI bus information. */
700 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 701 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 702 spin_unlock_irqrestore(&ha->hardware_lock, flags);
703
704 return QLA_SUCCESS;
1da177e4
LT		 705}
706
0107109e
AV		 707/**
708 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
709 * @ha: HA context
710 *
711 * Returns 0 on success.
712 */
713int
e315cd28 714qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 715{
a157b101 716 uint16_t w;
0107109e 717 unsigned long flags = 0;
e315cd28 718 struct qla_hw_data *ha = vha->hw;
0107109e 719 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 720
721 pci_set_master(ha->pdev);
af6177d8 722 pci_try_set_mwi(ha->pdev);
0107109e
AV		 723
724 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 725 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 726 w &= ~PCI_COMMAND_INTX_DISABLE;
727 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
728
729 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
730
731 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 732 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
733 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 734
735 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 736 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
737 pcie_set_readrq(ha->pdev, 2048);
0107109e 738
737faece 739 pci_disable_rom(ha->pdev);
0107109e 740
44c10138 741 ha->chip_revision = ha->pdev->revision;
a8488abe 742
0107109e
AV		 743 /* Get PCI bus information. */
744 spin_lock_irqsave(&ha->hardware_lock, flags);
745 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
746 spin_unlock_irqrestore(&ha->hardware_lock, flags);
747
748 return QLA_SUCCESS;
749}
750
c3a2f0df
AV		 751/**
752 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
753 * @ha: HA context
754 *
755 * Returns 0 on success.
756 */
757int
e315cd28 758qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 759{
760 uint16_t w;
e315cd28 761 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 762
763 pci_set_master(ha->pdev);
764 pci_try_set_mwi(ha->pdev);
765
766 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
767 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
768 w &= ~PCI_COMMAND_INTX_DISABLE;
769 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
770
771 /* PCIe -- adjust Maximum Read Request Size (2048). */
772 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
773 pcie_set_readrq(ha->pdev, 2048);
774
737faece 775 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 776
777 ha->chip_revision = ha->pdev->revision;
778
779 return QLA_SUCCESS;
780}
781
1da177e4
LT		 782/**
783 * qla2x00_isp_firmware() - Choose firmware image.
784 * @ha: HA context
785 *
786 * Returns 0 on success.
787 */
788static int
e315cd28 789qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 790{
791 int rval;
42e421b1
AV		 792 uint16_t loop_id, topo, sw_cap;
793 uint8_t domain, area, al_pa;
e315cd28 794 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 795
796 /* Assume loading risc code */
fa2a1ce5 797 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 798
799 if (ha->flags.disable_risc_code_load) {
800 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 801 vha->host_no));
1da177e4
LT		 802 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
803
804 /* Verify checksum of loaded RISC code. */
e315cd28 805 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 806 if (rval == QLA_SUCCESS) {
807 /* And, verify we are not in ROM code. */
e315cd28 808 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 809 &area, &domain, &topo, &sw_cap);
810 }
1da177e4
LT		 811 }
812
813 if (rval) {
814 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 815 vha->host_no));
1da177e4
LT		 816 }
817
818 return (rval);
819}
820
821/**
822 * qla2x00_reset_chip() - Reset ISP chip.
823 * @ha: HA context
824 *
825 * Returns 0 on success.
826 */
abbd8870 827void
e315cd28 828qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 829{
830 unsigned long flags = 0;
e315cd28 831 struct qla_hw_data *ha = vha->hw;
3d71644c 832 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 833 uint32_t cnt;
1da177e4
LT		 834 uint16_t cmd;
835
85880801
AV		 836 if (unlikely(pci_channel_offline(ha->pdev)))
837 return;
838
fd34f556 839 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 840
841 spin_lock_irqsave(&ha->hardware_lock, flags);
842
843 /* Turn off master enable */
844 cmd = 0;
845 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
846 cmd &= ~PCI_COMMAND_MASTER;
847 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
848
849 if (!IS_QLA2100(ha)) {
850 /* Pause RISC. */
851 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
852 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
853 for (cnt = 0; cnt < 30000; cnt++) {
854 if ((RD_REG_WORD(&reg->hccr) &
855 HCCR_RISC_PAUSE) != 0)
856 break;
857 udelay(100);
858 }
859 } else {
860 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
861 udelay(10);
862 }
863
864 /* Select FPM registers. */
865 WRT_REG_WORD(&reg->ctrl_status, 0x20);
866 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
867
868 /* FPM Soft Reset. */
869 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
870 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
871
872 /* Toggle Fpm Reset. */
873 if (!IS_QLA2200(ha)) {
874 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
875 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
876 }
877
878 /* Select frame buffer registers. */
879 WRT_REG_WORD(&reg->ctrl_status, 0x10);
880 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
881
882 /* Reset frame buffer FIFOs. */
883 if (IS_QLA2200(ha)) {
884 WRT_FB_CMD_REG(ha, reg, 0xa000);
885 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
886 } else {
887 WRT_FB_CMD_REG(ha, reg, 0x00fc);
888
889 /* Read back fb_cmd until zero or 3 seconds max */
890 for (cnt = 0; cnt < 3000; cnt++) {
891 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
892 break;
893 udelay(100);
894 }
895 }
896
897 /* Select RISC module registers. */
898 WRT_REG_WORD(&reg->ctrl_status, 0);
899 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
900
901 /* Reset RISC processor. */
902 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
903 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
904
905 /* Release RISC processor. */
906 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
907 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
908 }
909
910 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
911 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
912
913 /* Reset ISP chip. */
914 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
915
916 /* Wait for RISC to recover from reset. */
917 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
918 /*
919 * It is necessary to for a delay here since the card doesn't
920 * respond to PCI reads during a reset. On some architectures
921 * this will result in an MCA.
922 */
923 udelay(20);
924 for (cnt = 30000; cnt; cnt--) {
925 if ((RD_REG_WORD(&reg->ctrl_status) &
926 CSR_ISP_SOFT_RESET) == 0)
927 break;
928 udelay(100);
929 }
930 } else
931 udelay(10);
932
933 /* Reset RISC processor. */
934 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
935
936 WRT_REG_WORD(&reg->semaphore, 0);
937
938 /* Release RISC processor. */
939 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
940 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
941
942 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
943 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 944 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 945 break;
1da177e4
LT		 946
947 udelay(100);
948 }
949 } else
950 udelay(100);
951
952 /* Turn on master enable */
953 cmd |= PCI_COMMAND_MASTER;
954 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
955
956 /* Disable RISC pause on FPM parity error. */
957 if (!IS_QLA2100(ha)) {
958 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
959 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
960 }
961
962 spin_unlock_irqrestore(&ha->hardware_lock, flags);
963}
964
b1d46989
MI		 965/**
966 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
967 *
968 * Returns 0 on success.
969 */
970int
971qla81xx_reset_mpi(scsi_qla_host_t *vha)
972{
973 uint16_t mb[4] = {0x1010, 0, 1, 0};
974
975 return qla81xx_write_mpi_register(vha, mb);
976}
977
0107109e 978/**
88c26663 979 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 980 * @ha: HA context
981 *
982 * Returns 0 on success.
983 */
88c26663 984static inline void
e315cd28 985qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e
AV		 986{
987 unsigned long flags = 0;
e315cd28 988 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 989 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
990 uint32_t cnt, d2;
335a1cc9 991 uint16_t wd;
b1d46989 992 static int abts_cnt; /* ISP abort retry counts */
0107109e 993
0107109e
AV		 994 spin_lock_irqsave(&ha->hardware_lock, flags);
995
996 /* Reset RISC. */
997 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
998 for (cnt = 0; cnt < 30000; cnt++) {
999 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1000 break;
1001
1002 udelay(10);
1003 }
1004
1005 WRT_REG_DWORD(&reg->ctrl_status,
1006 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 1007 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 1008
335a1cc9 1009 udelay(100);
88c26663 1010 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 1011 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1012 for (cnt = 10000 ; cnt && d2; cnt--) {
1013 udelay(5);
1014 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1015 barrier();
1016 }
1017
335a1cc9 1018 /* Wait for soft-reset to complete. */
0107109e
AV		 1019 d2 = RD_REG_DWORD(&reg->ctrl_status);
1020 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1021 udelay(5);
1022 d2 = RD_REG_DWORD(&reg->ctrl_status);
1023 barrier();
1024 }
1025
b1d46989
MI		 1026 /* If required, do an MPI FW reset now */
1027 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1028 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1029 if (++abts_cnt < 5) {
1030 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1031 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1032 } else {
1033 /*
1034 * We exhausted the ISP abort retries. We have to
1035 * set the board offline.
1036 */
1037 abts_cnt = 0;
1038 vha->flags.online = 0;
1039 }
1040 }
1041 }
1042
0107109e
AV		 1043 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1044 RD_REG_DWORD(&reg->hccr);
1045
1046 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1047 RD_REG_DWORD(&reg->hccr);
1048
1049 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1050 RD_REG_DWORD(&reg->hccr);
1051
1052 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1053 for (cnt = 6000000 ; cnt && d2; cnt--) {
1054 udelay(5);
1055 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1056 barrier();
1057 }
1058
1059 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 1060
1061 if (IS_NOPOLLING_TYPE(ha))
1062 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 1063}
1064
88c26663
AV		 1065/**
1066 * qla24xx_reset_chip() - Reset ISP24xx chip.
1067 * @ha: HA context
1068 *
1069 * Returns 0 on success.
1070 */
1071void
e315cd28 1072qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 1073{
e315cd28 1074 struct qla_hw_data *ha = vha->hw;
85880801
AV		 1075
1076 if (pci_channel_offline(ha->pdev) &&
1077 ha->flags.pci_channel_io_perm_failure) {
1078 return;
1079 }
1080
fd34f556 1081 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 1082
1083 /* Perform RISC reset. */
e315cd28 1084 qla24xx_reset_risc(vha);
88c26663
AV		 1085}
1086
1da177e4
LT		 1087/**
1088 * qla2x00_chip_diag() - Test chip for proper operation.
1089 * @ha: HA context
1090 *
1091 * Returns 0 on success.
1092 */
abbd8870 1093int
e315cd28 1094qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 1095{
1096 int rval;
e315cd28 1097 struct qla_hw_data *ha = vha->hw;
3d71644c 1098 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1099 unsigned long flags = 0;
1100 uint16_t data;
1101 uint32_t cnt;
1102 uint16_t mb[5];
73208dfd 1103 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 1104
1105 /* Assume a failed state */
1106 rval = QLA_FUNCTION_FAILED;
1107
1108 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 1109 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 1110
1111 spin_lock_irqsave(&ha->hardware_lock, flags);
1112
1113 /* Reset ISP chip. */
1114 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1115
1116 /*
1117 * We need to have a delay here since the card will not respond while
1118 * in reset causing an MCA on some architectures.
1119 */
1120 udelay(20);
1121 data = qla2x00_debounce_register(&reg->ctrl_status);
1122 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1123 udelay(5);
1124 data = RD_REG_WORD(&reg->ctrl_status);
1125 barrier();
1126 }
1127
1128 if (!cnt)
1129 goto chip_diag_failed;
1130
1131 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
7640335e 1132 vha->host_no));
1da177e4
LT		 1133
1134 /* Reset RISC processor. */
1135 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1136 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1137
1138 /* Workaround for QLA2312 PCI parity error */
1139 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1140 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1141 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1142 udelay(5);
1143 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 1144 barrier();
1da177e4
LT		 1145 }
1146 } else
1147 udelay(10);
1148
1149 if (!cnt)
1150 goto chip_diag_failed;
1151
1152 /* Check product ID of chip */
7640335e 1153 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1da177e4
LT		 1154
1155 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1156 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1157 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1158 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1159 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1160 mb[3] != PROD_ID_3) {
1161 qla_printk(KERN_WARNING, ha,
1162 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
1163
1164 goto chip_diag_failed;
1165 }
1166 ha->product_id[0] = mb[1];
1167 ha->product_id[1] = mb[2];
1168 ha->product_id[2] = mb[3];
1169 ha->product_id[3] = mb[4];
1170
1171 /* Adjust fw RISC transfer size */
73208dfd 1172 if (req->length > 1024)
1da177e4
LT		 1173 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1174 else
1175 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 1176 req->length;
1da177e4
LT		 1177
1178 if (IS_QLA2200(ha) &&
1179 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1180 /* Limit firmware transfer size with a 2200A */
1181 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 1182 vha->host_no));
1da177e4 1183
ea5b6382 1184 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 1185 ha->fw_transfer_size = 128;
1186 }
1187
1188 /* Wrap Incoming Mailboxes Test. */
1189 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190
e315cd28
AC		 1191 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
1192 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 1193 if (rval) {
1194 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1195 vha->host_no));
1da177e4
LT		 1196 qla_printk(KERN_WARNING, ha,
1197 "Failed mailbox send register test\n");
1198 }
1199 else {
1200 /* Flag a successful rval */
1201 rval = QLA_SUCCESS;
1202 }
1203 spin_lock_irqsave(&ha->hardware_lock, flags);
1204
1205chip_diag_failed:
1206 if (rval)
1207 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 1208 "****\n", vha->host_no));
1da177e4
LT		 1209
1210 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1211
1212 return (rval);
1213}
1214
0107109e
AV		 1215/**
1216 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1217 * @ha: HA context
1218 *
1219 * Returns 0 on success.
1220 */
1221int
e315cd28 1222qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 1223{
1224 int rval;
e315cd28 1225 struct qla_hw_data *ha = vha->hw;
73208dfd 1226 struct req_que *req = ha->req_q_map[0];
0107109e 1227
a9083016
GM		 1228 if (IS_QLA82XX(ha))
1229 return QLA_SUCCESS;
1230
73208dfd 1231 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 1232
e315cd28 1233 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 1234 if (rval) {
1235 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 1236 vha->host_no));
0107109e
AV		 1237 qla_printk(KERN_WARNING, ha,
1238 "Failed mailbox send register test\n");
1239 } else {
1240 /* Flag a successful rval */
1241 rval = QLA_SUCCESS;
1242 }
1243
1244 return rval;
1245}
1246
a7a167bf 1247void
e315cd28 1248qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 1249{
a7a167bf
AV		 1250 int rval;
1251 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 1252 eft_size, fce_size, mq_size;
df613b96
AV		 1253 dma_addr_t tc_dma;
1254 void *tc;
e315cd28 1255 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1256 struct req_que *req = ha->req_q_map[0];
1257 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 1258
1259 if (ha->fw_dump) {
1260 qla_printk(KERN_WARNING, ha,
1261 "Firmware dump previously allocated.\n");
1262 return;
1263 }
d4e3e04d 1264
0107109e 1265 ha->fw_dumped = 0;
73208dfd 1266 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 1267 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 1268 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 1269 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 1270 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1271 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1272 sizeof(uint16_t);
e428924c 1273 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 1274 if (IS_QLA81XX(ha))
1275 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1276 else if (IS_QLA25XX(ha))
1277 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1278 else
1279 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 1280 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1281 sizeof(uint32_t);
73208dfd
AC		 1282 if (ha->mqenable)
1283 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 1284 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 1285 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 1286 goto try_eft;
df613b96
AV		 1287
1288 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1289 GFP_KERNEL);
1290 if (!tc) {
1291 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1292 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 1293 goto try_eft;
df613b96
AV		 1294 }
1295
1296 memset(tc, 0, FCE_SIZE);
e315cd28 1297 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 1298 ha->fce_mb, &ha->fce_bufs);
1299 if (rval) {
1300 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1301 "FCE (%d).\n", rval);
1302 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1303 tc_dma);
1304 ha->flags.fce_enabled = 0;
17d98630 1305 goto try_eft;
df613b96
AV		 1306 }
1307
1308 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
1309 FCE_SIZE / 1024);
1310
7d9dade3 1311 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 1312 ha->flags.fce_enabled = 1;
1313 ha->fce_dma = tc_dma;
1314 ha->fce = tc;
436a7b11
AV		 1315try_eft:
1316 /* Allocate memory for Extended Trace Buffer. */
1317 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1318 GFP_KERNEL);
1319 if (!tc) {
1320 qla_printk(KERN_WARNING, ha, "Unable to allocate "
1321 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
1322 goto cont_alloc;
1323 }
1324
1325 memset(tc, 0, EFT_SIZE);
e315cd28 1326 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 1327 if (rval) {
1328 qla_printk(KERN_WARNING, ha, "Unable to initialize "
1329 "EFT (%d).\n", rval);
1330 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1331 tc_dma);
1332 goto cont_alloc;
1333 }
1334
1335 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
1336 EFT_SIZE / 1024);
1337
1338 eft_size = EFT_SIZE;
1339 ha->eft_dma = tc_dma;
1340 ha->eft = tc;
d4e3e04d 1341 }
a7a167bf 1342cont_alloc:
73208dfd
AC		 1343 req_q_size = req->length * sizeof(request_t);
1344 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 1345
1346 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 1347 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 1348 ha->chain_offset = dump_size;
1349 dump_size += mq_size + fce_size;
d4e3e04d
AV		 1350
1351 ha->fw_dump = vmalloc(dump_size);
a7a167bf 1352 if (!ha->fw_dump) {
0107109e 1353 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 1354 "firmware dump!!!\n", dump_size / 1024);
a7a167bf 1355
e30d1756
MI		 1356 if (ha->fce) {
1357 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1358 ha->fce_dma);
1359 ha->fce = NULL;
1360 ha->fce_dma = 0;
1361 }
1362
a7a167bf
AV		 1363 if (ha->eft) {
1364 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1365 ha->eft_dma);
1366 ha->eft = NULL;
1367 ha->eft_dma = 0;
1368 }
1369 return;
1370 }
a7a167bf
AV		 1371 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
1372 dump_size / 1024);
1373
1374 ha->fw_dump_len = dump_size;
1375 ha->fw_dump->signature[0] = 'Q';
1376 ha->fw_dump->signature[1] = 'L';
1377 ha->fw_dump->signature[2] = 'G';
1378 ha->fw_dump->signature[3] = 'C';
1379 ha->fw_dump->version = __constant_htonl(1);
1380
1381 ha->fw_dump->fixed_size = htonl(fixed_size);
1382 ha->fw_dump->mem_size = htonl(mem_size);
1383 ha->fw_dump->req_q_size = htonl(req_q_size);
1384 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1385
1386 ha->fw_dump->eft_size = htonl(eft_size);
1387 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1388 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1389
1390 ha->fw_dump->header_size =
1391 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 1392}
1393
18e7555a
AV		 1394static int
1395qla81xx_mpi_sync(scsi_qla_host_t *vha)
1396{
1397#define MPS_MASK 0xe0
1398 int rval;
1399 uint16_t dc;
1400 uint32_t dw;
1401 struct qla_hw_data *ha = vha->hw;
1402
1403 if (!IS_QLA81XX(vha->hw))
1404 return QLA_SUCCESS;
1405
1406 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1407 if (rval != QLA_SUCCESS) {
1408 DEBUG2(qla_printk(KERN_WARNING, ha,
1409 "Sync-MPI: Unable to acquire semaphore.\n"));
1410 goto done;
1411 }
1412
1413 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1414 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1415 if (rval != QLA_SUCCESS) {
1416 DEBUG2(qla_printk(KERN_WARNING, ha,
1417 "Sync-MPI: Unable to read sync.\n"));
1418 goto done_release;
1419 }
1420
1421 dc &= MPS_MASK;
1422 if (dc == (dw & MPS_MASK))
1423 goto done_release;
1424
1425 dw &= ~MPS_MASK;
1426 dw |= dc;
1427 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1428 if (rval != QLA_SUCCESS) {
1429 DEBUG2(qla_printk(KERN_WARNING, ha,
1430 "Sync-MPI: Unable to gain sync.\n"));
1431 }
1432
1433done_release:
1434 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1435 if (rval != QLA_SUCCESS) {
1436 DEBUG2(qla_printk(KERN_WARNING, ha,
1437 "Sync-MPI: Unable to release semaphore.\n"));
1438 }
1439
1440done:
1441 return rval;
1442}
1443
1da177e4
LT		 1444/**
1445 * qla2x00_setup_chip() - Load and start RISC firmware.
1446 * @ha: HA context
1447 *
1448 * Returns 0 on success.
1449 */
1450static int
e315cd28 1451qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 1452{
0107109e
AV		 1453 int rval;
1454 uint32_t srisc_address = 0;
e315cd28 1455 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 1456 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1457 unsigned long flags;
dda772e8 1458 uint16_t fw_major_version;
3db0652e 1459
a9083016
GM		 1460 if (IS_QLA82XX(ha)) {
1461 rval = ha->isp_ops->load_risc(vha, &srisc_address);
14e303d9
AV		 1462 if (rval == QLA_SUCCESS) {
1463 qla2x00_stop_firmware(vha);
a9083016 1464 goto enable_82xx_npiv;
14e303d9 1465 } else
b963752f 1466 goto failed;
a9083016
GM		 1467 }
1468
3db0652e
AV		 1469 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1470 /* Disable SRAM, Instruction RAM and GP RAM parity. */
1471 spin_lock_irqsave(&ha->hardware_lock, flags);
1472 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1473 RD_REG_WORD(&reg->hccr);
1474 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1da177e4 1476
18e7555a
AV		 1477 qla81xx_mpi_sync(vha);
1478
1da177e4 1479 /* Load firmware sequences */
e315cd28 1480 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 1481 if (rval == QLA_SUCCESS) {
1da177e4 1482 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 1483 "code.\n", vha->host_no));
1da177e4 1484
e315cd28 1485 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 1486 if (rval == QLA_SUCCESS) {
1487 /* Start firmware execution. */
1488 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 1489 "firmware.\n", vha->host_no));
1da177e4 1490
e315cd28 1491 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 1492 /* Retrieve firmware information. */
dda772e8 1493 if (rval == QLA_SUCCESS) {
a9083016 1494enable_82xx_npiv:
dda772e8 1495 fw_major_version = ha->fw_major_version;
ca9e9c3e 1496 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 1497 &ha->fw_major_version,
1498 &ha->fw_minor_version,
1499 &ha->fw_subminor_version,
3a03eb79 1500 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 1501 ha->mpi_version, &ha->mpi_capabilities,
1502 ha->phy_version);
ca9e9c3e
AV		 1503 if (rval != QLA_SUCCESS)
1504 goto failed;
2c3dfe3f 1505 ha->flags.npiv_supported = 0;
e315cd28 1506 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 1507 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 1508 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 1509 if ((!ha->max_npiv_vports) ||
1510 ((ha->max_npiv_vports + 1) %
eb66dc60 1511 MIN_MULTI_ID_FABRIC))
4d0ea247 1512 ha->max_npiv_vports =
eb66dc60 1513 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 1514 }
24a08138
AV		 1515 qla2x00_get_resource_cnts(vha, NULL,
1516 &ha->fw_xcb_count, NULL, NULL,
f3a0a77e 1517 &ha->max_npiv_vports, NULL);
d743de66 1518
a9083016
GM		 1519 if (!fw_major_version && ql2xallocfwdump) {
1520 if (!IS_QLA82XX(ha))
1521 qla2x00_alloc_fw_dump(vha);
1522 }
1da177e4
LT		 1523 }
1524 } else {
1525 DEBUG2(printk(KERN_INFO
1526 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 1527 vha->host_no));
1da177e4
LT		 1528 }
1529 }
1530
3db0652e
AV		 1531 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1532 /* Enable proper parity. */
1533 spin_lock_irqsave(&ha->hardware_lock, flags);
1534 if (IS_QLA2300(ha))
1535 /* SRAM parity */
1536 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1537 else
1538 /* SRAM, Instruction RAM and GP RAM parity */
1539 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1540 RD_REG_WORD(&reg->hccr);
1541 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1542 }
1543
1d2874de
JC		 1544 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1545 uint32_t size;
1546
1547 rval = qla81xx_fac_get_sector_size(vha, &size);
1548 if (rval == QLA_SUCCESS) {
1549 ha->flags.fac_supported = 1;
1550 ha->fdt_block_size = size << 2;
1551 } else {
1552 qla_printk(KERN_ERR, ha,
1553 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1554 ha->fw_major_version, ha->fw_minor_version,
1555 ha->fw_subminor_version);
1556 }
1557 }
ca9e9c3e 1558failed:
1da177e4
LT		 1559 if (rval) {
1560 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 1561 vha->host_no));
1da177e4
LT		 1562 }
1563
1564 return (rval);
1565}
1566
1567/**
1568 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1569 * @ha: HA context
1570 *
1571 * Beginning of request ring has initialization control block already built
1572 * by nvram config routine.
1573 *
1574 * Returns 0 on success.
1575 */
73208dfd
AC		 1576void
1577qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1578{
1579 uint16_t cnt;
1580 response_t *pkt;
1581
2afa19a9
AC		 1582 rsp->ring_ptr = rsp->ring;
1583 rsp->ring_index = 0;
1584 rsp->status_srb = NULL;
e315cd28
AC		 1585 pkt = rsp->ring_ptr;
1586 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1587 pkt->signature = RESPONSE_PROCESSED;
1588 pkt++;
1589 }
1da177e4
LT		 1590}
1591
1592/**
1593 * qla2x00_update_fw_options() - Read and process firmware options.
1594 * @ha: HA context
1595 *
1596 * Returns 0 on success.
1597 */
abbd8870 1598void
e315cd28 1599qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1600{
1601 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1602 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1603
1604 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1605 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1606
1607 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1608 return;
1609
1610 /* Serial Link options. */
1611 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1612 vha->host_no));
1da177e4
LT		 1613 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1614 sizeof(ha->fw_seriallink_options)));
1615
1616 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1617 if (ha->fw_seriallink_options[3] & BIT_2) {
1618 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1619
1620 /* 1G settings */
1621 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1622 emphasis = (ha->fw_seriallink_options[2] &
1623 (BIT_4 | BIT_3)) >> 3;
1624 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1625 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1626 rx_sens = (ha->fw_seriallink_options[0] &
1627 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1628 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1629 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1630 if (rx_sens == 0x0)
1631 rx_sens = 0x3;
1632 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1633 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1634 ha->fw_options[10] |= BIT_5 |
1635 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1636 (tx_sens & (BIT_1 | BIT_0));
1637
1638 /* 2G settings */
1639 swing = (ha->fw_seriallink_options[2] &
1640 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1641 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1642 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1643 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1644 rx_sens = (ha->fw_seriallink_options[1] &
1645 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1646 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1647 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1648 if (rx_sens == 0x0)
1649 rx_sens = 0x3;
1650 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1651 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1652 ha->fw_options[11] |= BIT_5 |
1653 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1654 (tx_sens & (BIT_1 | BIT_0));
1655 }
1656
1657 /* FCP2 options. */
1658 /* Return command IOCBs without waiting for an ABTS to complete. */
1659 ha->fw_options[3] |= BIT_13;
1660
1661 /* LED scheme. */
1662 if (ha->flags.enable_led_scheme)
1663 ha->fw_options[2] |= BIT_12;
1664
48c02fde 1665 /* Detect ISP6312. */
1666 if (IS_QLA6312(ha))
1667 ha->fw_options[2] |= BIT_13;
1668
1da177e4 1669 /* Update firmware options. */
e315cd28 1670 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1671}
1672
0107109e 1673void
e315cd28 1674qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1675{
1676 int rval;
e315cd28 1677 struct qla_hw_data *ha = vha->hw;
0107109e 1678
a9083016
GM		 1679 if (IS_QLA82XX(ha))
1680 return;
1681
0107109e 1682 /* Update Serial Link options. */
f94097ed 1683 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1684 return;
1685
e315cd28 1686 rval = qla2x00_set_serdes_params(vha,
f94097ed 1687 le16_to_cpu(ha->fw_seriallink_options24[1]),
1688 le16_to_cpu(ha->fw_seriallink_options24[2]),
1689 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1690 if (rval != QLA_SUCCESS) {
1691 qla_printk(KERN_WARNING, ha,
1692 "Unable to update Serial Link options (%x).\n", rval);
1693 }
1694}
1695
abbd8870 1696void
e315cd28 1697qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1698{
e315cd28 1699 struct qla_hw_data *ha = vha->hw;
3d71644c 1700 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1701 struct req_que *req = ha->req_q_map[0];
1702 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1703
1704 /* Setup ring parameters in initialization control block. */
1705 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1706 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1707 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1708 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1709 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1710 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1711 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1712 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1713
1714 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1715 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1716 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1717 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1718 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1719}
1720
0107109e 1721void
e315cd28 1722qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1723{
e315cd28 1724 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1725 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1726 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1727 struct qla_msix_entry *msix;
0107109e 1728 struct init_cb_24xx *icb;
73208dfd
AC		 1729 uint16_t rid = 0;
1730 struct req_que *req = ha->req_q_map[0];
1731 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1732
73208dfd 1733/* Setup ring parameters in initialization control block. */
0107109e
AV		 1734 icb = (struct init_cb_24xx *)ha->init_cb;
1735 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1736 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1737 icb->request_q_length = cpu_to_le16(req->length);
1738 icb->response_q_length = cpu_to_le16(rsp->length);
1739 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1740 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1741 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1742 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1743
73208dfd
AC		 1744 if (ha->mqenable) {
1745 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1746 icb->rid = __constant_cpu_to_le16(rid);
1747 if (ha->flags.msix_enabled) {
1748 msix = &ha->msix_entries[1];
1749 DEBUG2_17(printk(KERN_INFO
2afa19a9 1750 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1751 icb->msix = cpu_to_le16(msix->entry);
1752 }
1753 /* Use alternate PCI bus number */
1754 if (MSB(rid))
1755 icb->firmware_options_2 |=
1756 __constant_cpu_to_le32(BIT_19);
1757 /* Use alternate PCI devfn */
1758 if (LSB(rid))
1759 icb->firmware_options_2 |=
1760 __constant_cpu_to_le32(BIT_18);
1761
3155754a
AC		 1762 /* Use Disable MSIX Handshake mode for capable adapters */
1763 if (IS_MSIX_NACK_CAPABLE(ha)) {
1764 icb->firmware_options_2 &=
1765 __constant_cpu_to_le32(~BIT_22);
1766 ha->flags.disable_msix_handshake = 1;
1767 qla_printk(KERN_INFO, ha,
1768 "MSIX Handshake Disable Mode turned on\n");
1769 } else {
1770 icb->firmware_options_2 |=
1771 __constant_cpu_to_le32(BIT_22);
1772 }
73208dfd 1773 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1774
1775 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1776 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1777 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1778 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1779 } else {
1780 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1781 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1782 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1783 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1784 }
1785 /* PCI posting */
1786 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1787}
1788
1da177e4
LT		 1789/**
1790 * qla2x00_init_rings() - Initializes firmware.
1791 * @ha: HA context
1792 *
1793 * Beginning of request ring has initialization control block already built
1794 * by nvram config routine.
1795 *
1796 * Returns 0 on success.
1797 */
1798static int
e315cd28 1799qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1800{
1801 int rval;
1802 unsigned long flags = 0;
29bdccbe 1803 int cnt, que;
e315cd28 1804 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1805 struct req_que *req;
1806 struct rsp_que *rsp;
1807 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1808 struct mid_init_cb_24xx *mid_init_cb =
1809 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1810
1811 spin_lock_irqsave(&ha->hardware_lock, flags);
1812
1813 /* Clear outstanding commands array. */
2afa19a9 1814 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1815 req = ha->req_q_map[que];
1816 if (!req)
1817 continue;
2afa19a9 1818 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1819 req->outstanding_cmds[cnt] = NULL;
1da177e4 1820
2afa19a9 1821 req->current_outstanding_cmd = 1;
1da177e4 1822
29bdccbe
AC		 1823 /* Initialize firmware. */
1824 req->ring_ptr = req->ring;
1825 req->ring_index = 0;
1826 req->cnt = req->length;
1827 }
1da177e4 1828
2afa19a9 1829 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1830 rsp = ha->rsp_q_map[que];
1831 if (!rsp)
1832 continue;
29bdccbe
AC		 1833 /* Initialize response queue entries */
1834 qla2x00_init_response_q_entries(rsp);
1835 }
1da177e4 1836
542bce1f 1837 spin_lock(&ha->vport_slock);
29bdccbe
AC		 1838 /* Clear RSCN queue. */
1839 list_for_each_entry(vp, &ha->vp_list, list) {
1840 vp->rscn_in_ptr = 0;
1841 vp->rscn_out_ptr = 0;
1842 }
feafb7b1 1843
542bce1f 1844 spin_unlock(&ha->vport_slock);
feafb7b1 1845
e315cd28 1846 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1847
1848 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849
1850 /* Update any ISP specific firmware options before initialization. */
e315cd28 1851 ha->isp_ops->update_fw_options(vha);
1da177e4 1852
e315cd28 1853 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1854
605aa2bc
LC		 1855 if (ha->flags.npiv_supported) {
1856 if (ha->operating_mode == LOOP)
1857 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1858 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1859 }
1860
24a08138
AV		 1861 if (IS_FWI2_CAPABLE(ha)) {
1862 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1863 mid_init_cb->init_cb.execution_throttle =
1864 cpu_to_le16(ha->fw_xcb_count);
1865 }
2c3dfe3f 1866
e315cd28 1867 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1868 if (rval) {
1869 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1870 vha->host_no));
1da177e4
LT		 1871 } else {
1872 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1873 vha->host_no));
1da177e4
LT		 1874 }
1875
1876 return (rval);
1877}
1878
1879/**
1880 * qla2x00_fw_ready() - Waits for firmware ready.
1881 * @ha: HA context
1882 *
1883 * Returns 0 on success.
1884 */
1885static int
e315cd28 1886qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1887{
1888 int rval;
4d4df193 1889 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1890 uint16_t min_wait; /* Minimum wait time if loop is down */
1891 uint16_t wait_time; /* Wait time if loop is coming ready */
656e8912 1892 uint16_t state[5];
e315cd28 1893 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1894
1895 rval = QLA_SUCCESS;
1896
1897 /* 20 seconds for loop down. */
fa2a1ce5 1898 min_wait = 20;
1da177e4
LT		 1899
1900 /*
1901 * Firmware should take at most one RATOV to login, plus 5 seconds for
1902 * our own processing.
1903 */
1904 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1905 wait_time = min_wait;
1906 }
1907
1908 /* Min wait time if loop down */
1909 mtime = jiffies + (min_wait * HZ);
1910
1911 /* wait time before firmware ready */
1912 wtime = jiffies + (wait_time * HZ);
1913
1914 /* Wait for ISP to finish LIP */
e315cd28 1915 if (!vha->flags.init_done)
1da177e4
LT		 1916 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1917
1918 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1919 vha->host_no));
1da177e4
LT		 1920
1921 do {
e315cd28 1922 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1923 if (rval == QLA_SUCCESS) {
4d4df193 1924 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1925 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1926 }
4d4df193
HK		 1927 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1928 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1929 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1930 state[2]));
1931 if ((state[2] & FSTATE_LOGGED_IN) &&
1932 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1933 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1934 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1935
1936 cs84xx_time = jiffies;
e315cd28 1937 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1938 if (rval != QLA_SUCCESS)
1939 break;
1940
1941 /* Add time taken to initialize. */
1942 cs84xx_time = jiffies - cs84xx_time;
1943 wtime += cs84xx_time;
1944 mtime += cs84xx_time;
1945 DEBUG16(printk("scsi(%ld): Increasing "
1946 "wait time by %ld. New time %ld\n",
e315cd28 1947 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1948 }
1949 } else if (state[0] == FSTATE_READY) {
1da177e4 1950 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1951 vha->host_no));
1da177e4 1952
e315cd28 1953 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1954 &ha->login_timeout, &ha->r_a_tov);
1955
1956 rval = QLA_SUCCESS;
1957 break;
1958 }
1959
1960 rval = QLA_FUNCTION_FAILED;
1961
e315cd28 1962 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1963 state[0] != FSTATE_READY) {
1da177e4 1964 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1965 * other than Wait for Login.
1966 */
1da177e4
LT		 1967 if (time_after_eq(jiffies, mtime)) {
1968 qla_printk(KERN_INFO, ha,
1969 "Cable is unplugged...\n");
1970
e315cd28 1971 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1972 break;
1973 }
1974 }
1975 } else {
1976 /* Mailbox cmd failed. Timeout on min_wait. */
cdbb0a4f 1977 if (time_after_eq(jiffies, mtime) ||
7190575f 1978 ha->flags.isp82xx_fw_hung)
1da177e4
LT		 1979 break;
1980 }
1981
1982 if (time_after_eq(jiffies, wtime))
1983 break;
1984
1985 /* Delay for a while */
1986 msleep(500);
1987
1988 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1989 vha->host_no, state[0], jiffies));
1da177e4
LT		 1990 } while (1);
1991
656e8912
AV		 1992 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1993 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1994 jiffies));
1da177e4
LT		 1995
1996 if (rval) {
1997 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1998 vha->host_no));
1da177e4
LT		 1999 }
2000
2001 return (rval);
2002}
2003
2004/*
2005* qla2x00_configure_hba
2006* Setup adapter context.
2007*
2008* Input:
2009* ha = adapter state pointer.
2010*
2011* Returns:
2012* 0 = success
2013*
2014* Context:
2015* Kernel context.
2016*/
2017static int
e315cd28 2018qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 2019{
2020 int rval;
2021 uint16_t loop_id;
2022 uint16_t topo;
2c3dfe3f 2023 uint16_t sw_cap;
1da177e4
LT		 2024 uint8_t al_pa;
2025 uint8_t area;
2026 uint8_t domain;
2027 char connect_type[22];
e315cd28 2028 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2029
2030 /* Get host addresses. */
e315cd28 2031 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 2032 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 2033 if (rval != QLA_SUCCESS) {
e315cd28 2034 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
7a44b86e 2035 IS_QLA8XXX_TYPE(ha) ||
33135aa2
RA		 2036 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2037 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 2038 __func__, vha->host_no));
33135aa2
RA		 2039 } else {
2040 qla_printk(KERN_WARNING, ha,
2041 "ERROR -- Unable to get host loop ID.\n");
e315cd28 2042 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 2043 }
1da177e4
LT		 2044 return (rval);
2045 }
2046
2047 if (topo == 4) {
2048 qla_printk(KERN_INFO, ha,
2049 "Cannot get topology - retrying.\n");
2050 return (QLA_FUNCTION_FAILED);
2051 }
2052
e315cd28 2053 vha->loop_id = loop_id;
1da177e4
LT		 2054
2055 /* initialize */
2056 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2057 ha->operating_mode = LOOP;
2c3dfe3f 2058 ha->switch_cap = 0;
1da177e4
LT		 2059
2060 switch (topo) {
2061 case 0:
2062 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 2063 vha->host_no));
1da177e4
LT		 2064 ha->current_topology = ISP_CFG_NL;
2065 strcpy(connect_type, "(Loop)");
2066 break;
2067
2068 case 1:
2069 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 2070 vha->host_no));
2c3dfe3f 2071 ha->switch_cap = sw_cap;
1da177e4
LT		 2072 ha->current_topology = ISP_CFG_FL;
2073 strcpy(connect_type, "(FL_Port)");
2074 break;
2075
2076 case 2:
2077 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 2078 vha->host_no));
1da177e4
LT		 2079 ha->operating_mode = P2P;
2080 ha->current_topology = ISP_CFG_N;
2081 strcpy(connect_type, "(N_Port-to-N_Port)");
2082 break;
2083
2084 case 3:
2085 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 2086 vha->host_no));
2c3dfe3f 2087 ha->switch_cap = sw_cap;
1da177e4
LT		 2088 ha->operating_mode = P2P;
2089 ha->current_topology = ISP_CFG_F;
2090 strcpy(connect_type, "(F_Port)");
2091 break;
2092
2093 default:
2094 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
2095 "Using NL.\n",
e315cd28 2096 vha->host_no, topo));
1da177e4
LT		 2097 ha->current_topology = ISP_CFG_NL;
2098 strcpy(connect_type, "(Loop)");
2099 break;
2100 }
2101
2102 /* Save Host port and loop ID. */
2103 /* byte order - Big Endian */
e315cd28
AC		 2104 vha->d_id.b.domain = domain;
2105 vha->d_id.b.area = area;
2106 vha->d_id.b.al_pa = al_pa;
1da177e4 2107
e315cd28 2108 if (!vha->flags.init_done)
1da177e4
LT		 2109 qla_printk(KERN_INFO, ha,
2110 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 2111 connect_type, vha->loop_id);
1da177e4
LT		 2112
2113 if (rval) {
e315cd28 2114 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 2115 } else {
e315cd28 2116 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 2117 }
2118
2119 return(rval);
2120}
2121
a9083016 2122inline void
e315cd28
AC		 2123qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2124 char *def)
9bb9fcf2
AV		 2125{
2126 char *st, *en;
2127 uint16_t index;
e315cd28 2128 struct qla_hw_data *ha = vha->hw;
ab671149 2129 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
a9083016 2130 !IS_QLA8XXX_TYPE(ha);
9bb9fcf2
AV		 2131
2132 if (memcmp(model, BINZERO, len) != 0) {
2133 strncpy(ha->model_number, model, len);
2134 st = en = ha->model_number;
2135 en += len - 1;
2136 while (en > st) {
2137 if (*en != 0x20 && *en != 0x00)
2138 break;
2139 *en-- = '\0';
2140 }
2141
2142 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2143 if (use_tbl &&
2144 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 2145 index < QLA_MODEL_NAMES)
1ee27146
JC		 2146 strncpy(ha->model_desc,
2147 qla2x00_model_name[index * 2 + 1],
2148 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2149 } else {
2150 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 2151 if (use_tbl &&
2152 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 2153 index < QLA_MODEL_NAMES) {
2154 strcpy(ha->model_number,
2155 qla2x00_model_name[index * 2]);
1ee27146
JC		 2156 strncpy(ha->model_desc,
2157 qla2x00_model_name[index * 2 + 1],
2158 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 2159 } else {
2160 strcpy(ha->model_number, def);
2161 }
2162 }
1ee27146 2163 if (IS_FWI2_CAPABLE(ha))
e315cd28 2164 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 2165 sizeof(ha->model_desc));
9bb9fcf2
AV		 2166}
2167
4e08df3f
DM		 2168/* On sparc systems, obtain port and node WWN from firmware
2169 * properties.
2170 */
e315cd28 2171static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 2172{
2173#ifdef CONFIG_SPARC
e315cd28 2174 struct qla_hw_data *ha = vha->hw;
4e08df3f 2175 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 2176 struct device_node *dp = pci_device_to_OF_node(pdev);
2177 const u8 *val;
4e08df3f
DM		 2178 int len;
2179
2180 val = of_get_property(dp, "port-wwn", &len);
2181 if (val && len >= WWN_SIZE)
2182 memcpy(nv->port_name, val, WWN_SIZE);
2183
2184 val = of_get_property(dp, "node-wwn", &len);
2185 if (val && len >= WWN_SIZE)
2186 memcpy(nv->node_name, val, WWN_SIZE);
2187#endif
2188}
2189
1da177e4
LT		 2190/*
2191* NVRAM configuration for ISP 2xxx
2192*
2193* Input:
2194* ha = adapter block pointer.
2195*
2196* Output:
2197* initialization control block in response_ring
2198* host adapters parameters in host adapter block
2199*
2200* Returns:
2201* 0 = success.
2202*/
abbd8870 2203int
e315cd28 2204qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 2205{
4e08df3f 2206 int rval;
0107109e
AV		 2207 uint8_t chksum = 0;
2208 uint16_t cnt;
2209 uint8_t *dptr1, *dptr2;
e315cd28 2210 struct qla_hw_data *ha = vha->hw;
0107109e 2211 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 2212 nvram_t *nv = ha->nvram;
2213 uint8_t *ptr = ha->nvram;
3d71644c 2214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 2215
4e08df3f
DM		 2216 rval = QLA_SUCCESS;
2217
1da177e4 2218 /* Determine NVRAM starting address. */
0107109e 2219 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 2220 ha->nvram_base = 0;
2221 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2222 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2223 ha->nvram_base = 0x80;
2224
2225 /* Get NVRAM data and calculate checksum. */
e315cd28 2226 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 2227 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2228 chksum += *ptr++;
1da177e4 2229
e315cd28 2230 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 2231 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 2232
2233 /* Bad NVRAM data, set defaults parameters. */
2234 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2235 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2236 /* Reset NVRAM data. */
2237 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
2238 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
2239 nv->nvram_version);
4e08df3f
DM		 2240 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
2241 "invalid -- WWPN) defaults.\n");
2242
2243 /*
2244 * Set default initialization control block.
2245 */
2246 memset(nv, 0, ha->nvram_size);
2247 nv->parameter_block_version = ICB_VERSION;
2248
2249 if (IS_QLA23XX(ha)) {
2250 nv->firmware_options[0] = BIT_2 | BIT_1;
2251 nv->firmware_options[1] = BIT_7 | BIT_5;
2252 nv->add_firmware_options[0] = BIT_5;
2253 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2254 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2255 nv->special_options[1] = BIT_7;
2256 } else if (IS_QLA2200(ha)) {
2257 nv->firmware_options[0] = BIT_2 | BIT_1;
2258 nv->firmware_options[1] = BIT_7 | BIT_5;
2259 nv->add_firmware_options[0] = BIT_5;
2260 nv->add_firmware_options[1] = BIT_5 | BIT_4;
2261 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2262 } else if (IS_QLA2100(ha)) {
2263 nv->firmware_options[0] = BIT_3 | BIT_1;
2264 nv->firmware_options[1] = BIT_5;
2265 nv->frame_payload_size = __constant_cpu_to_le16(1024);
2266 }
2267
2268 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2269 nv->execution_throttle = __constant_cpu_to_le16(16);
2270 nv->retry_count = 8;
2271 nv->retry_delay = 1;
2272
2273 nv->port_name[0] = 33;
2274 nv->port_name[3] = 224;
2275 nv->port_name[4] = 139;
2276
e315cd28 2277 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 2278
2279 nv->login_timeout = 4;
2280
2281 /*
2282 * Set default host adapter parameters
2283 */
2284 nv->host_p[1] = BIT_2;
2285 nv->reset_delay = 5;
2286 nv->port_down_retry_count = 8;
2287 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2288 nv->link_down_timeout = 60;
2289
2290 rval = 1;
1da177e4
LT		 2291 }
2292
2293#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2294 /*
2295 * The SN2 does not provide BIOS emulation which means you can't change
2296 * potentially bogus BIOS settings. Force the use of default settings
2297 * for link rate and frame size. Hope that the rest of the settings
2298 * are valid.
2299 */
2300 if (ia64_platform_is("sn2")) {
2301 nv->frame_payload_size = __constant_cpu_to_le16(2048);
2302 if (IS_QLA23XX(ha))
2303 nv->special_options[1] = BIT_7;
2304 }
2305#endif
2306
2307 /* Reset Initialization control block */
0107109e 2308 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 2309
2310 /*
2311 * Setup driver NVRAM options.
2312 */
2313 nv->firmware_options[0] |= (BIT_6 | BIT_1);
2314 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2315 nv->firmware_options[1] |= (BIT_5 | BIT_0);
2316 nv->firmware_options[1] &= ~BIT_4;
2317
2318 if (IS_QLA23XX(ha)) {
2319 nv->firmware_options[0] |= BIT_2;
2320 nv->firmware_options[0] &= ~BIT_3;
5ff1d584 2321 nv->firmware_options[0] &= ~BIT_6;
0107109e 2322 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 2323
2324 if (IS_QLA2300(ha)) {
2325 if (ha->fb_rev == FPM_2310) {
2326 strcpy(ha->model_number, "QLA2310");
2327 } else {
2328 strcpy(ha->model_number, "QLA2300");
2329 }
2330 } else {
e315cd28 2331 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 2332 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 2333 }
2334 } else if (IS_QLA2200(ha)) {
2335 nv->firmware_options[0] |= BIT_2;
2336 /*
2337 * 'Point-to-point preferred, else loop' is not a safe
2338 * connection mode setting.
2339 */
2340 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2341 (BIT_5 | BIT_4)) {
2342 /* Force 'loop preferred, else point-to-point'. */
2343 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2344 nv->add_firmware_options[0] |= BIT_5;
2345 }
2346 strcpy(ha->model_number, "QLA22xx");
2347 } else /*if (IS_QLA2100(ha))*/ {
2348 strcpy(ha->model_number, "QLA2100");
2349 }
2350
2351 /*
2352 * Copy over NVRAM RISC parameter block to initialization control block.
2353 */
2354 dptr1 = (uint8_t *)icb;
2355 dptr2 = (uint8_t *)&nv->parameter_block_version;
2356 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2357 while (cnt--)
2358 *dptr1++ = *dptr2++;
2359
2360 /* Copy 2nd half. */
2361 dptr1 = (uint8_t *)icb->add_firmware_options;
2362 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2363 while (cnt--)
2364 *dptr1++ = *dptr2++;
2365
5341e868
AV		 2366 /* Use alternate WWN? */
2367 if (nv->host_p[1] & BIT_7) {
2368 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2369 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2370 }
2371
1da177e4
LT		 2372 /* Prepare nodename */
2373 if ((icb->firmware_options[1] & BIT_6) == 0) {
2374 /*
2375 * Firmware will apply the following mask if the nodename was
2376 * not provided.
2377 */
2378 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2379 icb->node_name[0] &= 0xF0;
2380 }
2381
2382 /*
2383 * Set host adapter parameters.
2384 */
0181944f 2385 if (nv->host_p[0] & BIT_7)
11010fec 2386 ql2xextended_error_logging = 1;
1da177e4
LT		 2387 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2388 /* Always load RISC code on non ISP2[12]00 chips. */
2389 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2390 ha->flags.disable_risc_code_load = 0;
2391 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2392 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2393 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 2394 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 2395 ha->flags.disable_serdes = 0;
1da177e4
LT		 2396
2397 ha->operating_mode =
2398 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2399
2400 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2401 sizeof(ha->fw_seriallink_options));
2402
2403 /* save HBA serial number */
2404 ha->serial0 = icb->port_name[5];
2405 ha->serial1 = icb->port_name[6];
2406 ha->serial2 = icb->port_name[7];
e315cd28
AC		 2407 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2408 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 2409
2410 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2411
2412 ha->retry_count = nv->retry_count;
2413
2414 /* Set minimum login_timeout to 4 seconds. */
5b91490e 2415 if (nv->login_timeout != ql2xlogintimeout)
1da177e4
LT		 2416 nv->login_timeout = ql2xlogintimeout;
2417 if (nv->login_timeout < 4)
2418 nv->login_timeout = 4;
2419 ha->login_timeout = nv->login_timeout;
2420 icb->login_timeout = nv->login_timeout;
2421
00a537b8
AV		 2422 /* Set minimum RATOV to 100 tenths of a second. */
2423 ha->r_a_tov = 100;
1da177e4 2424
1da177e4
LT		 2425 ha->loop_reset_delay = nv->reset_delay;
2426
1da177e4
LT		 2427 /* Link Down Timeout = 0:
2428 *
2429 * When Port Down timer expires we will start returning
2430 * I/O's to OS with "DID_NO_CONNECT".
2431 *
2432 * Link Down Timeout != 0:
2433 *
2434 * The driver waits for the link to come up after link down
2435 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 2436 */
1da177e4
LT		 2437 if (nv->link_down_timeout == 0) {
2438 ha->loop_down_abort_time =
354d6b21 2439 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 2440 } else {
2441 ha->link_down_timeout = nv->link_down_timeout;
2442 ha->loop_down_abort_time =
2443 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 2444 }
1da177e4 2445
1da177e4
LT		 2446 /*
2447 * Need enough time to try and get the port back.
2448 */
2449 ha->port_down_retry_count = nv->port_down_retry_count;
2450 if (qlport_down_retry)
2451 ha->port_down_retry_count = qlport_down_retry;
2452 /* Set login_retry_count */
2453 ha->login_retry_count = nv->retry_count;
2454 if (ha->port_down_retry_count == nv->port_down_retry_count &&
2455 ha->port_down_retry_count > 3)
2456 ha->login_retry_count = ha->port_down_retry_count;
2457 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2458 ha->login_retry_count = ha->port_down_retry_count;
2459 if (ql2xloginretrycount)
2460 ha->login_retry_count = ql2xloginretrycount;
2461
1da177e4
LT		 2462 icb->lun_enables = __constant_cpu_to_le16(0);
2463 icb->command_resource_count = 0;
2464 icb->immediate_notify_resource_count = 0;
2465 icb->timeout = __constant_cpu_to_le16(0);
2466
2467 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2468 /* Enable RIO */
2469 icb->firmware_options[0] &= ~BIT_3;
2470 icb->add_firmware_options[0] &=
2471 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2472 icb->add_firmware_options[0] |= BIT_2;
2473 icb->response_accumulation_timer = 3;
2474 icb->interrupt_delay_timer = 5;
2475
e315cd28 2476 vha->flags.process_response_queue = 1;
1da177e4 2477 } else {
4fdfefe5 2478 /* Enable ZIO. */
e315cd28 2479 if (!vha->flags.init_done) {
4fdfefe5
AV		 2480 ha->zio_mode = icb->add_firmware_options[0] &
2481 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2482 ha->zio_timer = icb->interrupt_delay_timer ?
2483 icb->interrupt_delay_timer: 2;
2484 }
1da177e4
LT		 2485 icb->add_firmware_options[0] &=
2486 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 2487 vha->flags.process_response_queue = 0;
4fdfefe5 2488 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 2489 ha->zio_mode = QLA_ZIO_MODE_6;
2490
4fdfefe5 2491 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 2492 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 2493 ha->zio_timer * 100));
1da177e4 2494 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 2495 "ZIO mode %d enabled; timer delay (%d us).\n",
2496 ha->zio_mode, ha->zio_timer * 100);
1da177e4 2497
4fdfefe5
AV		 2498 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2499 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 2500 vha->flags.process_response_queue = 1;
1da177e4
LT		 2501 }
2502 }
2503
4e08df3f
DM		 2504 if (rval) {
2505 DEBUG2_3(printk(KERN_WARNING
e315cd28 2506 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 2507 }
2508 return (rval);
1da177e4
LT		 2509}
2510
19a7b4ae
JSEC		 2511static void
2512qla2x00_rport_del(void *data)
2513{
2514 fc_port_t *fcport = data;
d97994dc 2515 struct fc_rport *rport;
044d78e1 2516 unsigned long flags;
d97994dc 2517
044d78e1 2518 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
ac280b67 2519 rport = fcport->drport ? fcport->drport: fcport->rport;
d97994dc 2520 fcport->drport = NULL;
044d78e1 2521 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
d97994dc 2522 if (rport)
2523 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 2524}
2525
1da177e4
LT		 2526/**
2527 * qla2x00_alloc_fcport() - Allocate a generic fcport.
2528 * @ha: HA context
2529 * @flags: allocation flags
2530 *
2531 * Returns a pointer to the allocated fcport, or NULL, if none available.
2532 */
9a069e19 2533fc_port_t *
e315cd28 2534qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 2535{
2536 fc_port_t *fcport;
2537
bbfbbbc1
MK		 2538 fcport = kzalloc(sizeof(fc_port_t), flags);
2539 if (!fcport)
2540 return NULL;
1da177e4
LT		 2541
2542 /* Setup fcport template structure. */
e315cd28
AC		 2543 fcport->vha = vha;
2544 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 2545 fcport->port_type = FCT_UNKNOWN;
2546 fcport->loop_id = FC_NO_LOOP_ID;
ec426e10 2547 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
ad3e0eda 2548 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 2549
bbfbbbc1 2550 return fcport;
1da177e4
LT		 2551}
2552
2553/*
2554 * qla2x00_configure_loop
2555 * Updates Fibre Channel Device Database with what is actually on loop.
2556 *
2557 * Input:
2558 * ha = adapter block pointer.
2559 *
2560 * Returns:
2561 * 0 = success.
2562 * 1 = error.
2563 * 2 = database was full and device was not configured.
2564 */
2565static int
e315cd28 2566qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2567{
2568 int rval;
2569 unsigned long flags, save_flags;
e315cd28 2570 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2571 rval = QLA_SUCCESS;
2572
2573 /* Get Initiator ID */
e315cd28
AC		 2574 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2575 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 2576 if (rval != QLA_SUCCESS) {
2577 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 2578 vha->host_no));
1da177e4
LT		 2579 return (rval);
2580 }
2581 }
2582
e315cd28 2583 save_flags = flags = vha->dpc_flags;
1da177e4 2584 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 2585 vha->host_no, flags));
1da177e4
LT		 2586
2587 /*
2588 * If we have both an RSCN and PORT UPDATE pending then handle them
2589 * both at the same time.
2590 */
e315cd28
AC		 2591 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2592 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4 2593
3064ff39
MH		 2594 qla2x00_get_data_rate(vha);
2595
1da177e4
LT		 2596 /* Determine what we need to do */
2597 if (ha->current_topology == ISP_CFG_FL &&
2598 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2599
e315cd28 2600 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2601 set_bit(RSCN_UPDATE, &flags);
2602
2603 } else if (ha->current_topology == ISP_CFG_F &&
2604 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2605
e315cd28 2606 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2607 set_bit(RSCN_UPDATE, &flags);
2608 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2609
2610 } else if (ha->current_topology == ISP_CFG_N) {
2611 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2612
e315cd28 2613 } else if (!vha->flags.online ||
1da177e4
LT		 2614 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2615
e315cd28 2616 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2617 set_bit(RSCN_UPDATE, &flags);
2618 set_bit(LOCAL_LOOP_UPDATE, &flags);
2619 }
2620
2621 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2622 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2623 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2624 else
2625 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2626 }
2627
2628 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2629 if (LOOP_TRANSITION(vha))
1da177e4 2630 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2631 else
2632 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2633 }
2634
2635 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2636 if (atomic_read(&vha->loop_down_timer) ||
2637 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2638 rval = QLA_FUNCTION_FAILED;
2639 } else {
e315cd28 2640 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2641
e315cd28 2642 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2643 }
2644 }
2645
2646 if (rval) {
2647 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2648 __func__, vha->host_no));
1da177e4
LT		 2649 } else {
2650 DEBUG3(printk("%s: exiting normally\n", __func__));
2651 }
2652
cc3ef7bc 2653 /* Restore state if a resync event occurred during processing */
e315cd28 2654 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2655 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2656 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2657 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2658 set_bit(RSCN_UPDATE, &vha->dpc_flags);
3a6478df
GM		 2659 if (!IS_ALOGIO_CAPABLE(ha))
2660 vha->flags.rscn_queue_overflow = 1;
f4658b6c 2661 }
1da177e4
LT		 2662 }
2663
2664 return (rval);
2665}
2666
2667
2668
2669/*
2670 * qla2x00_configure_local_loop
2671 * Updates Fibre Channel Device Database with local loop devices.
2672 *
2673 * Input:
2674 * ha = adapter block pointer.
2675 *
2676 * Returns:
2677 * 0 = success.
2678 */
2679static int
e315cd28 2680qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2681{
2682 int rval, rval2;
2683 int found_devs;
2684 int found;
2685 fc_port_t *fcport, *new_fcport;
2686
2687 uint16_t index;
2688 uint16_t entries;
2689 char *id_iter;
2690 uint16_t loop_id;
2691 uint8_t domain, area, al_pa;
e315cd28 2692 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2693
2694 found_devs = 0;
2695 new_fcport = NULL;
2696 entries = MAX_FIBRE_DEVICES;
2697
e315cd28
AC		 2698 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2699 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2700
2701 /* Get list of logged in devices. */
2702 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2703 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2704 &entries);
2705 if (rval != QLA_SUCCESS)
2706 goto cleanup_allocation;
2707
2708 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2709 vha->host_no, entries));
1da177e4
LT		 2710 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2711 entries * sizeof(struct gid_list_info)));
2712
2713 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2714 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2715 if (new_fcport == NULL) {
2716 rval = QLA_MEMORY_ALLOC_FAILED;
2717 goto cleanup_allocation;
2718 }
2719 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2720
2721 /*
2722 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2723 */
e315cd28 2724 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2725 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2726 fcport->port_type != FCT_BROADCAST &&
2727 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2728
2729 DEBUG(printk("scsi(%ld): Marking port lost, "
2730 "loop_id=0x%04x\n",
e315cd28 2731 vha->host_no, fcport->loop_id));
1da177e4 2732
ec426e10 2733 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1da177e4
LT		 2734 }
2735 }
2736
2737 /* Add devices to port list. */
2738 id_iter = (char *)ha->gid_list;
2739 for (index = 0; index < entries; index++) {
2740 domain = ((struct gid_list_info *)id_iter)->domain;
2741 area = ((struct gid_list_info *)id_iter)->area;
2742 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2743 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2744 loop_id = (uint16_t)
2745 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2746 else
1da177e4
LT		 2747 loop_id = le16_to_cpu(
2748 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2749 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2750
2751 /* Bypass reserved domain fields. */
2752 if ((domain & 0xf0) == 0xf0)
2753 continue;
2754
2755 /* Bypass if not same domain and area of adapter. */
f7d289f6 2756 if (area && domain &&
e315cd28 2757 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2758 continue;
2759
2760 /* Bypass invalid local loop ID. */
2761 if (loop_id > LAST_LOCAL_LOOP_ID)
2762 continue;
2763
2764 /* Fill in member data. */
2765 new_fcport->d_id.b.domain = domain;
2766 new_fcport->d_id.b.area = area;
2767 new_fcport->d_id.b.al_pa = al_pa;
2768 new_fcport->loop_id = loop_id;
e315cd28
AC		 2769 new_fcport->vp_idx = vha->vp_idx;
2770 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2771 if (rval2 != QLA_SUCCESS) {
2772 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2773 "information -- get_port_database=%x, "
2774 "loop_id=0x%04x\n",
e315cd28 2775 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2776 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2777 vha->host_no));
2778 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2779 continue;
2780 }
2781
2782 /* Check for matching device in port list. */
2783 found = 0;
2784 fcport = NULL;
e315cd28 2785 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2786 if (memcmp(new_fcport->port_name, fcport->port_name,
2787 WWN_SIZE))
2788 continue;
2789
ddb9b126 2790 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2791 fcport->loop_id = new_fcport->loop_id;
2792 fcport->port_type = new_fcport->port_type;
2793 fcport->d_id.b24 = new_fcport->d_id.b24;
2794 memcpy(fcport->node_name, new_fcport->node_name,
2795 WWN_SIZE);
2796
2797 found++;
2798 break;
2799 }
2800
2801 if (!found) {
2802 /* New device, add to fcports list. */
e315cd28
AC		 2803 if (vha->vp_idx) {
2804 new_fcport->vha = vha;
2805 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2806 }
e315cd28 2807 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2808
2809 /* Allocate a new replacement fcport. */
2810 fcport = new_fcport;
e315cd28 2811 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2812 if (new_fcport == NULL) {
2813 rval = QLA_MEMORY_ALLOC_FAILED;
2814 goto cleanup_allocation;
2815 }
2816 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2817 }
2818
d8b45213 2819 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2820 fcport->fp_speed = ha->link_data_rate;
d8b45213 2821
e315cd28 2822 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2823
2824 found_devs++;
2825 }
2826
2827cleanup_allocation:
c9475cb0 2828 kfree(new_fcport);
1da177e4
LT		 2829
2830 if (rval != QLA_SUCCESS) {
2831 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2832 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2833 }
2834
1da177e4
LT		 2835 return (rval);
2836}
2837
d8b45213 2838static void
e315cd28 2839qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2840{
2841#define LS_UNKNOWN 2
9f8fddee
AV		 2842 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2843 char *link_speed;
d8b45213 2844 int rval;
1bb39548 2845 uint16_t mb[4];
e315cd28 2846 struct qla_hw_data *ha = vha->hw;
d8b45213 2847
c76f2c01 2848 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2849 return;
2850
c9afb9a2
GM		 2851 if (atomic_read(&fcport->state) != FCS_ONLINE)
2852 return;
2853
39bd9622
AV		 2854 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2855 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2856 return;
2857
e315cd28 2858 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2859 mb);
d8b45213
AV		 2860 if (rval != QLA_SUCCESS) {
2861 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2862 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2863 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2864 fcport->port_name[2], fcport->port_name[3],
2865 fcport->port_name[4], fcport->port_name[5],
2866 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2867 fcport->fp_speed, mb[0], mb[1]));
d8b45213 2868 } else {
9f8fddee
AV		 2869 link_speed = link_speeds[LS_UNKNOWN];
2870 if (fcport->fp_speed < 5)
2871 link_speed = link_speeds[fcport->fp_speed];
2872 else if (fcport->fp_speed == 0x13)
2873 link_speed = link_speeds[5];
d8b45213
AV		 2874 DEBUG2(qla_printk(KERN_INFO, ha,
2875 "iIDMA adjusted to %s GB/s on "
2876 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
9f8fddee 2877 link_speed, fcport->port_name[0],
d8b45213
AV		 2878 fcport->port_name[1], fcport->port_name[2],
2879 fcport->port_name[3], fcport->port_name[4],
2880 fcport->port_name[5], fcport->port_name[6],
2881 fcport->port_name[7]));
2882 }
2883}
2884
23be331d 2885static void
e315cd28 2886qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118 2887{
2888 struct fc_rport_identifiers rport_ids;
bdf79621 2889 struct fc_rport *rport;
e315cd28 2890 struct qla_hw_data *ha = vha->hw;
044d78e1 2891 unsigned long flags;
8482e118 2892
ac280b67 2893 qla2x00_rport_del(fcport);
8482e118 2894
f8b02a85
AV		 2895 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2896 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2897 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2898 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2899 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2900 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2901 if (!rport) {
2902 qla_printk(KERN_WARNING, ha,
2903 "Unable to allocate fc remote port!\n");
2904 return;
2905 }
044d78e1 2906 spin_lock_irqsave(fcport->vha->host->host_lock, flags);
19a7b4ae 2907 *((fc_port_t **)rport->dd_data) = fcport;
044d78e1 2908 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
d97994dc 2909
ad3e0eda 2910 rport->supported_classes = fcport->supported_classes;
77d74143 2911
8482e118 2912 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2913 if (fcport->port_type == FCT_INITIATOR)
2914 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2915 if (fcport->port_type == FCT_TARGET)
2916 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2917 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2918}
2919
23be331d
AB		 2920/*
2921 * qla2x00_update_fcport
2922 * Updates device on list.
2923 *
2924 * Input:
2925 * ha = adapter block pointer.
2926 * fcport = port structure pointer.
2927 *
2928 * Return:
2929 * 0 - Success
2930 * BIT_0 - error
2931 *
2932 * Context:
2933 * Kernel context.
2934 */
2935void
e315cd28 2936qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2937{
e315cd28 2938 fcport->vha = vha;
23be331d 2939 fcport->login_retry = 0;
5ff1d584 2940 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
23be331d 2941
e315cd28 2942 qla2x00_iidma_fcport(vha, fcport);
21090cbe 2943 qla24xx_update_fcport_fcp_prio(vha, fcport);
e315cd28 2944 qla2x00_reg_remote_port(vha, fcport);
ec426e10 2945 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
23be331d
AB		 2946}
2947
1da177e4
LT		 2948/*
2949 * qla2x00_configure_fabric
2950 * Setup SNS devices with loop ID's.
2951 *
2952 * Input:
2953 * ha = adapter block pointer.
2954 *
2955 * Returns:
2956 * 0 = success.
2957 * BIT_0 = error
2958 */
2959static int
e315cd28 2960qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2961{
2962 int rval, rval2;
2963 fc_port_t *fcport, *fcptemp;
2964 uint16_t next_loopid;
2965 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2966 uint16_t loop_id;
1da177e4 2967 LIST_HEAD(new_fcports);
e315cd28
AC		 2968 struct qla_hw_data *ha = vha->hw;
2969 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2970
2971 /* If FL port exists, then SNS is present */
e428924c 2972 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2973 loop_id = NPH_F_PORT;
2974 else
2975 loop_id = SNS_FL_PORT;
e315cd28 2976 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2977 if (rval != QLA_SUCCESS) {
2978 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2979 "Port\n", vha->host_no));
1da177e4 2980
e315cd28 2981 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2982 return (QLA_SUCCESS);
2983 }
e315cd28 2984 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2985
2986 /* Mark devices that need re-synchronization. */
e315cd28 2987 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2988 if (rval2 == QLA_RSCNS_HANDLED) {
2989 /* No point doing the scan, just continue. */
2990 return (QLA_SUCCESS);
2991 }
2992 do {
cca5335c
AV		 2993 /* FDMI support. */
2994 if (ql2xfdmienable &&
e315cd28
AC		 2995 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2996 qla2x00_fdmi_register(vha);
cca5335c 2997
1da177e4 2998 /* Ensure we are logged into the SNS. */
e428924c 2999 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 3000 loop_id = NPH_SNS;
3001 else
3002 loop_id = SIMPLE_NAME_SERVER;
e315cd28 3003 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 3004 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 3005 if (mb[0] != MBS_COMMAND_COMPLETE) {
3006 DEBUG2(qla_printk(KERN_INFO, ha,
3007 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 3008 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 3009 mb[0], mb[1], mb[2], mb[6], mb[7]));
3010 return (QLA_SUCCESS);
3011 }
3012
e315cd28
AC		 3013 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3014 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 3015 /* EMPTY */
3016 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3017 "TYPE failed.\n", vha->host_no));
1da177e4 3018 }
e315cd28 3019 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 3020 /* EMPTY */
3021 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 3022 "Features failed.\n", vha->host_no));
1da177e4 3023 }
e315cd28 3024 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 3025 /* EMPTY */
3026 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 3027 "failed.\n", vha->host_no));
3028 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 3029 /* EMPTY */
3030 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 3031 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 3032 }
3033 }
3034
e315cd28 3035 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 3036 if (rval != QLA_SUCCESS)
3037 break;
3038
3039 /*
3040 * Logout all previous fabric devices marked lost, except
f08b7251 3041 * FCP2 devices.
1da177e4 3042 */
e315cd28
AC		 3043 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3044 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3045 break;
3046
3047 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3048 continue;
3049
3050 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 3051 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3052 ql2xplogiabsentdevice, 0);
1da177e4 3053 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3054 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3055 fcport->port_type != FCT_INITIATOR &&
3056 fcport->port_type != FCT_BROADCAST) {
e315cd28 3057 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 3058 fcport->loop_id,
3059 fcport->d_id.b.domain,
3060 fcport->d_id.b.area,
3061 fcport->d_id.b.al_pa);
1da177e4
LT		 3062 fcport->loop_id = FC_NO_LOOP_ID;
3063 }
3064 }
3065 }
3066
3067 /* Starting free loop ID. */
e315cd28 3068 next_loopid = ha->min_external_loopid;
1da177e4
LT		 3069
3070 /*
3071 * Scan through our port list and login entries that need to be
3072 * logged in.
3073 */
e315cd28
AC		 3074 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3075 if (atomic_read(&vha->loop_down_timer) ||
3076 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3077 break;
3078
3079 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3080 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3081 continue;
3082
3083 if (fcport->loop_id == FC_NO_LOOP_ID) {
3084 fcport->loop_id = next_loopid;
d4486fd6 3085 rval = qla2x00_find_new_loop_id(
e315cd28 3086 base_vha, fcport);
1da177e4
LT		 3087 if (rval != QLA_SUCCESS) {
3088 /* Ran out of IDs to use */
3089 break;
3090 }
3091 }
1da177e4 3092 /* Login and update database */
e315cd28 3093 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 3094 }
3095
3096 /* Exit if out of loop IDs. */
3097 if (rval != QLA_SUCCESS) {
3098 break;
3099 }
3100
3101 /*
3102 * Login and add the new devices to our port list.
3103 */
3104 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 3105 if (atomic_read(&vha->loop_down_timer) ||
3106 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 3107 break;
3108
3109 /* Find a new loop ID to use. */
3110 fcport->loop_id = next_loopid;
e315cd28 3111 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 3112 if (rval != QLA_SUCCESS) {
3113 /* Ran out of IDs to use */
3114 break;
3115 }
3116
bdf79621 3117 /* Login and update database */
e315cd28
AC		 3118 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3119
3120 if (vha->vp_idx) {
3121 fcport->vha = vha;
3122 fcport->vp_idx = vha->vp_idx;
3123 }
3124 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 3125 }
3126 } while (0);
3127
3128 /* Free all new device structures not processed. */
3129 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3130 list_del(&fcport->list);
3131 kfree(fcport);
3132 }
3133
3134 if (rval) {
3135 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 3136 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 3137 }
3138
3139 return (rval);
3140}
3141
1da177e4
LT		 3142/*
3143 * qla2x00_find_all_fabric_devs
3144 *
3145 * Input:
3146 * ha = adapter block pointer.
3147 * dev = database device entry pointer.
3148 *
3149 * Returns:
3150 * 0 = success.
3151 *
3152 * Context:
3153 * Kernel context.
3154 */
3155static int
e315cd28
AC		 3156qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3157 struct list_head *new_fcports)
1da177e4
LT		 3158{
3159 int rval;
3160 uint16_t loop_id;
3161 fc_port_t *fcport, *new_fcport, *fcptemp;
3162 int found;
3163
3164 sw_info_t *swl;
3165 int swl_idx;
3166 int first_dev, last_dev;
1516ef44 3167 port_id_t wrap = {}, nxt_d_id;
e315cd28
AC		 3168 struct qla_hw_data *ha = vha->hw;
3169 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 3170 struct scsi_qla_host *tvp;
1da177e4
LT		 3171
3172 rval = QLA_SUCCESS;
3173
3174 /* Try GID_PT to get device list, else GAN. */
4b89258c 3175 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 3176 if (!swl) {
1da177e4
LT		 3177 /*EMPTY*/
3178 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 3179 "on GA_NXT\n", vha->host_no));
1da177e4 3180 } else {
e315cd28 3181 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3182 kfree(swl);
3183 swl = NULL;
e315cd28 3184 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3185 kfree(swl);
3186 swl = NULL;
e315cd28 3187 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 3188 kfree(swl);
3189 swl = NULL;
e5896bd5 3190 } else if (ql2xiidmaenable &&
e315cd28
AC		 3191 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3192 qla2x00_gpsc(vha, swl);
1da177e4 3193 }
e8c72ba5
CD		 3194
3195 /* If other queries succeeded probe for FC-4 type */
3196 if (swl)
3197 qla2x00_gff_id(vha, swl);
1da177e4
LT		 3198 }
3199 swl_idx = 0;
3200
3201 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 3202 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3203 if (new_fcport == NULL) {
c9475cb0 3204 kfree(swl);
1da177e4
LT		 3205 return (QLA_MEMORY_ALLOC_FAILED);
3206 }
3207 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 3208 /* Set start port ID scan at adapter ID. */
3209 first_dev = 1;
3210 last_dev = 0;
3211
3212 /* Starting free loop ID. */
e315cd28
AC		 3213 loop_id = ha->min_external_loopid;
3214 for (; loop_id <= ha->max_loop_id; loop_id++) {
3215 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 3216 continue;
3217
3a6478df
GM		 3218 if (ha->current_topology == ISP_CFG_FL &&
3219 (atomic_read(&vha->loop_down_timer) ||
3220 LOOP_TRANSITION(vha))) {
bb2d52b2
AV		 3221 atomic_set(&vha->loop_down_timer, 0);
3222 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3223 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1da177e4 3224 break;
bb2d52b2 3225 }
1da177e4
LT		 3226
3227 if (swl != NULL) {
3228 if (last_dev) {
3229 wrap.b24 = new_fcport->d_id.b24;
3230 } else {
3231 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3232 memcpy(new_fcport->node_name,
3233 swl[swl_idx].node_name, WWN_SIZE);
3234 memcpy(new_fcport->port_name,
3235 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 3236 memcpy(new_fcport->fabric_port_name,
3237 swl[swl_idx].fabric_port_name, WWN_SIZE);
3238 new_fcport->fp_speed = swl[swl_idx].fp_speed;
e8c72ba5 3239 new_fcport->fc4_type = swl[swl_idx].fc4_type;
1da177e4
LT		 3240
3241 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3242 last_dev = 1;
3243 }
3244 swl_idx++;
3245 }
3246 } else {
3247 /* Send GA_NXT to the switch */
e315cd28 3248 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 3249 if (rval != QLA_SUCCESS) {
3250 qla_printk(KERN_WARNING, ha,
3251 "SNS scan failed -- assuming zero-entry "
3252 "result...\n");
3253 list_for_each_entry_safe(fcport, fcptemp,
3254 new_fcports, list) {
3255 list_del(&fcport->list);
3256 kfree(fcport);
3257 }
3258 rval = QLA_SUCCESS;
3259 break;
3260 }
3261 }
3262
3263 /* If wrap on switch device list, exit. */
3264 if (first_dev) {
3265 wrap.b24 = new_fcport->d_id.b24;
3266 first_dev = 0;
3267 } else if (new_fcport->d_id.b24 == wrap.b24) {
3268 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 3269 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 3270 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
3271 break;
3272 }
3273
2c3dfe3f 3274 /* Bypass if same physical adapter. */
e315cd28 3275 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 3276 continue;
3277
2c3dfe3f 3278 /* Bypass virtual ports of the same host. */
e315cd28
AC		 3279 found = 0;
3280 if (ha->num_vhosts) {
feafb7b1
AE		 3281 unsigned long flags;
3282
3283 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3284 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3285 if (new_fcport->d_id.b24 == vp->d_id.b24) {
3286 found = 1;
2c3dfe3f 3287 break;
e315cd28 3288 }
2c3dfe3f 3289 }
feafb7b1
AE		 3290 spin_unlock_irqrestore(&ha->vport_slock, flags);
3291
e315cd28 3292 if (found)
2c3dfe3f
SJ		 3293 continue;
3294 }
3295
f7d289f6
AV		 3296 /* Bypass if same domain and area of adapter. */
3297 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 3298 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 3299 ISP_CFG_FL)
3300 continue;
3301
1da177e4
LT		 3302 /* Bypass reserved domain fields. */
3303 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3304 continue;
3305
e8c72ba5 3306 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
4da26e16
CD		 3307 if (ql2xgffidenable &&
3308 (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3309 new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
e8c72ba5
CD		 3310 continue;
3311
1da177e4
LT		 3312 /* Locate matching device in database. */
3313 found = 0;
e315cd28 3314 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3315 if (memcmp(new_fcport->port_name, fcport->port_name,
3316 WWN_SIZE))
3317 continue;
3318
3319 found++;
3320
d8b45213
AV		 3321 /* Update port state. */
3322 memcpy(fcport->fabric_port_name,
3323 new_fcport->fabric_port_name, WWN_SIZE);
3324 fcport->fp_speed = new_fcport->fp_speed;
3325
1da177e4
LT		 3326 /*
3327 * If address the same and state FCS_ONLINE, nothing
3328 * changed.
3329 */
3330 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3331 atomic_read(&fcport->state) == FCS_ONLINE) {
3332 break;
3333 }
3334
3335 /*
3336 * If device was not a fabric device before.
3337 */
3338 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3339 fcport->d_id.b24 = new_fcport->d_id.b24;
3340 fcport->loop_id = FC_NO_LOOP_ID;
3341 fcport->flags |= (FCF_FABRIC_DEVICE |
3342 FCF_LOGIN_NEEDED);
1da177e4
LT		 3343 break;
3344 }
3345
3346 /*
3347 * Port ID changed or device was marked to be updated;
3348 * Log it out if still logged in and mark it for
3349 * relogin later.
3350 */
3351 fcport->d_id.b24 = new_fcport->d_id.b24;
3352 fcport->flags |= FCF_LOGIN_NEEDED;
3353 if (fcport->loop_id != FC_NO_LOOP_ID &&
f08b7251 3354 (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
1da177e4
LT		 3355 fcport->port_type != FCT_INITIATOR &&
3356 fcport->port_type != FCT_BROADCAST) {
e315cd28 3357 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3358 fcport->d_id.b.domain, fcport->d_id.b.area,
3359 fcport->d_id.b.al_pa);
1da177e4
LT		 3360 fcport->loop_id = FC_NO_LOOP_ID;
3361 }
3362
3363 break;
3364 }
3365
3366 if (found)
3367 continue;
1da177e4
LT		 3368 /* If device was not in our fcports list, then add it. */
3369 list_add_tail(&new_fcport->list, new_fcports);
3370
3371 /* Allocate a new replacement fcport. */
3372 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 3373 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 3374 if (new_fcport == NULL) {
c9475cb0 3375 kfree(swl);
1da177e4
LT		 3376 return (QLA_MEMORY_ALLOC_FAILED);
3377 }
3378 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3379 new_fcport->d_id.b24 = nxt_d_id.b24;
3380 }
3381
c9475cb0
JJ		 3382 kfree(swl);
3383 kfree(new_fcport);
1da177e4 3384
1da177e4
LT		 3385 return (rval);
3386}
3387
3388/*
3389 * qla2x00_find_new_loop_id
3390 * Scan through our port list and find a new usable loop ID.
3391 *
3392 * Input:
3393 * ha: adapter state pointer.
3394 * dev: port structure pointer.
3395 *
3396 * Returns:
3397 * qla2x00 local function return status code.
3398 *
3399 * Context:
3400 * Kernel context.
3401 */
03bcfb57 3402int
e315cd28 3403qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 3404{
3405 int rval;
3406 int found;
3407 fc_port_t *fcport;
3408 uint16_t first_loop_id;
e315cd28
AC		 3409 struct qla_hw_data *ha = vha->hw;
3410 struct scsi_qla_host *vp;
ee546b6e 3411 struct scsi_qla_host *tvp;
feafb7b1 3412 unsigned long flags = 0;
1da177e4
LT		 3413
3414 rval = QLA_SUCCESS;
3415
3416 /* Save starting loop ID. */
3417 first_loop_id = dev->loop_id;
3418
3419 for (;;) {
3420 /* Skip loop ID if already used by adapter. */
e315cd28 3421 if (dev->loop_id == vha->loop_id)
1da177e4 3422 dev->loop_id++;
1da177e4
LT		 3423
3424 /* Skip reserved loop IDs. */
e315cd28 3425 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 3426 dev->loop_id++;
1da177e4
LT		 3427
3428 /* Reset loop ID if passed the end. */
e315cd28 3429 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 3430 /* first loop ID. */
3431 dev->loop_id = ha->min_external_loopid;
3432 }
3433
3434 /* Check for loop ID being already in use. */
3435 found = 0;
3436 fcport = NULL;
feafb7b1
AE		 3437
3438 spin_lock_irqsave(&ha->vport_slock, flags);
ee546b6e 3439 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3440 list_for_each_entry(fcport, &vp->vp_fcports, list) {
3441 if (fcport->loop_id == dev->loop_id &&
3442 fcport != dev) {
3443 /* ID possibly in use */
3444 found++;
3445 break;
3446 }
1da177e4 3447 }
e315cd28
AC		 3448 if (found)
3449 break;
1da177e4 3450 }
feafb7b1 3451 spin_unlock_irqrestore(&ha->vport_slock, flags);
1da177e4
LT		 3452
3453 /* If not in use then it is free to use. */
3454 if (!found) {
3455 break;
3456 }
3457
3458 /* ID in use. Try next value. */
3459 dev->loop_id++;
3460
3461 /* If wrap around. No free ID to use. */
3462 if (dev->loop_id == first_loop_id) {
3463 dev->loop_id = FC_NO_LOOP_ID;
3464 rval = QLA_FUNCTION_FAILED;
3465 break;
3466 }
3467 }
3468
3469 return (rval);
3470}
3471
3472/*
3473 * qla2x00_device_resync
3474 * Marks devices in the database that needs resynchronization.
3475 *
3476 * Input:
3477 * ha = adapter block pointer.
3478 *
3479 * Context:
3480 * Kernel context.
3481 */
3482static int
e315cd28 3483qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 3484{
3485 int rval;
1da177e4
LT		 3486 uint32_t mask;
3487 fc_port_t *fcport;
3488 uint32_t rscn_entry;
3489 uint8_t rscn_out_iter;
3490 uint8_t format;
1516ef44 3491 port_id_t d_id = {};
1da177e4
LT		 3492
3493 rval = QLA_RSCNS_HANDLED;
3494
e315cd28
AC		 3495 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
3496 vha->flags.rscn_queue_overflow) {
1da177e4 3497
e315cd28 3498 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 3499 format = MSB(MSW(rscn_entry));
3500 d_id.b.domain = LSB(MSW(rscn_entry));
3501 d_id.b.area = MSB(LSW(rscn_entry));
3502 d_id.b.al_pa = LSB(LSW(rscn_entry));
3503
3504 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
3505 "[%02x/%02x%02x%02x].\n",
e315cd28 3506 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 3507 d_id.b.area, d_id.b.al_pa));
3508
e315cd28
AC		 3509 vha->rscn_out_ptr++;
3510 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
3511 vha->rscn_out_ptr = 0;
1da177e4
LT		 3512
3513 /* Skip duplicate entries. */
e315cd28
AC		 3514 for (rscn_out_iter = vha->rscn_out_ptr;
3515 !vha->flags.rscn_queue_overflow &&
3516 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 3517 rscn_out_iter = (rscn_out_iter ==
3518 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
3519
e315cd28 3520 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 3521 break;
3522
3523 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 3524 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 3525 rscn_out_iter));
3526
e315cd28 3527 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 3528 }
3529
3530 /* Queue overflow, set switch default case. */
e315cd28 3531 if (vha->flags.rscn_queue_overflow) {
1da177e4 3532 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 3533 "overflow.\n", vha->host_no));
1da177e4
LT		 3534
3535 format = 3;
e315cd28 3536 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 3537 }
3538
3539 switch (format) {
3540 case 0:
1da177e4
LT		 3541 mask = 0xffffff;
3542 break;
3543 case 1:
3544 mask = 0xffff00;
3545 break;
3546 case 2:
3547 mask = 0xff0000;
3548 break;
3549 default:
3550 mask = 0x0;
3551 d_id.b24 = 0;
e315cd28 3552 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 3553 break;
3554 }
3555
3556 rval = QLA_SUCCESS;
3557
e315cd28 3558 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 3559 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3560 (fcport->d_id.b24 & mask) != d_id.b24 ||
3561 fcport->port_type == FCT_BROADCAST)
3562 continue;
3563
3564 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3565 if (format != 3 ||
3566 fcport->port_type != FCT_INITIATOR) {
e315cd28 3567 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3568 0, 0);
1da177e4
LT		 3569 }
3570 }
1da177e4
LT		 3571 }
3572 }
3573 return (rval);
3574}
3575
3576/*
3577 * qla2x00_fabric_dev_login
3578 * Login fabric target device and update FC port database.
3579 *
3580 * Input:
3581 * ha: adapter state pointer.
3582 * fcport: port structure list pointer.
3583 * next_loopid: contains value of a new loop ID that can be used
3584 * by the next login attempt.
3585 *
3586 * Returns:
3587 * qla2x00 local function return status code.
3588 *
3589 * Context:
3590 * Kernel context.
3591 */
3592static int
e315cd28 3593qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3594 uint16_t *next_loopid)
3595{
3596 int rval;
3597 int retry;
0107109e 3598 uint8_t opts;
e315cd28 3599 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3600
3601 rval = QLA_SUCCESS;
3602 retry = 0;
3603
ac280b67 3604 if (IS_ALOGIO_CAPABLE(ha)) {
5ff1d584
AV		 3605 if (fcport->flags & FCF_ASYNC_SENT)
3606 return rval;
3607 fcport->flags |= FCF_ASYNC_SENT;
ac280b67
AV		 3608 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3609 if (!rval)
3610 return rval;
3611 }
3612
5ff1d584 3613 fcport->flags &= ~FCF_ASYNC_SENT;
e315cd28 3614 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 3615 if (rval == QLA_SUCCESS) {
f08b7251 3616 /* Send an ADISC to FCP2 devices.*/
0107109e 3617 opts = 0;
f08b7251 3618 if (fcport->flags & FCF_FCP2_DEVICE)
0107109e 3619 opts |= BIT_1;
e315cd28 3620 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 3621 if (rval != QLA_SUCCESS) {
e315cd28 3622 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3623 fcport->d_id.b.domain, fcport->d_id.b.area,
3624 fcport->d_id.b.al_pa);
e315cd28 3625 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3626 } else {
e315cd28 3627 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3628 }
3629 }
3630
3631 return (rval);
3632}
3633
3634/*
3635 * qla2x00_fabric_login
3636 * Issue fabric login command.
3637 *
3638 * Input:
3639 * ha = adapter block pointer.
3640 * device = pointer to FC device type structure.
3641 *
3642 * Returns:
3643 * 0 - Login successfully
3644 * 1 - Login failed
3645 * 2 - Initiator device
3646 * 3 - Fatal error
3647 */
3648int
e315cd28 3649qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3650 uint16_t *next_loopid)
3651{
3652 int rval;
3653 int retry;
3654 uint16_t tmp_loopid;
3655 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3656 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3657
3658 retry = 0;
3659 tmp_loopid = 0;
3660
3661 for (;;) {
3662 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3663 "for port %02x%02x%02x.\n",
e315cd28 3664 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3665 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3666
3667 /* Login fcport on switch. */
e315cd28 3668 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3669 fcport->d_id.b.domain, fcport->d_id.b.area,
3670 fcport->d_id.b.al_pa, mb, BIT_0);
3671 if (mb[0] == MBS_PORT_ID_USED) {
3672 /*
3673 * Device has another loop ID. The firmware team
0107109e
AV		 3674 * recommends the driver perform an implicit login with
3675 * the specified ID again. The ID we just used is save
3676 * here so we return with an ID that can be tried by
3677 * the next login.
1da177e4
LT		 3678 */
3679 retry++;
3680 tmp_loopid = fcport->loop_id;
3681 fcport->loop_id = mb[1];
3682
3683 DEBUG(printk("Fabric Login: port in use - next "
3684 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3685 fcport->loop_id, fcport->d_id.b.domain,
3686 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3687
3688 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3689 /*
3690 * Login succeeded.
3691 */
3692 if (retry) {
3693 /* A retry occurred before. */
3694 *next_loopid = tmp_loopid;
3695 } else {
3696 /*
3697 * No retry occurred before. Just increment the
3698 * ID value for next login.
3699 */
3700 *next_loopid = (fcport->loop_id + 1);
3701 }
3702
3703 if (mb[1] & BIT_0) {
3704 fcport->port_type = FCT_INITIATOR;
3705 } else {
3706 fcport->port_type = FCT_TARGET;
3707 if (mb[1] & BIT_1) {
8474f3a0 3708 fcport->flags |= FCF_FCP2_DEVICE;
1da177e4
LT		 3709 }
3710 }
3711
ad3e0eda
AV		 3712 if (mb[10] & BIT_0)
3713 fcport->supported_classes |= FC_COS_CLASS2;
3714 if (mb[10] & BIT_1)
3715 fcport->supported_classes |= FC_COS_CLASS3;
3716
1da177e4
LT		 3717 rval = QLA_SUCCESS;
3718 break;
3719 } else if (mb[0] == MBS_LOOP_ID_USED) {
3720 /*
3721 * Loop ID already used, try next loop ID.
3722 */
3723 fcport->loop_id++;
e315cd28 3724 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3725 if (rval != QLA_SUCCESS) {
3726 /* Ran out of loop IDs to use */
3727 break;
3728 }
3729 } else if (mb[0] == MBS_COMMAND_ERROR) {
3730 /*
3731 * Firmware possibly timed out during login. If NO
3732 * retries are left to do then the device is declared
3733 * dead.
3734 */
3735 *next_loopid = fcport->loop_id;
e315cd28 3736 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3737 fcport->d_id.b.domain, fcport->d_id.b.area,
3738 fcport->d_id.b.al_pa);
e315cd28 3739 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3740
3741 rval = 1;
3742 break;
3743 } else {
3744 /*
3745 * unrecoverable / not handled error
3746 */
3747 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3748 "loop_id=%x jiffies=%lx.\n",
e315cd28 3749 __func__, vha->host_no, mb[0],
1da177e4
LT		 3750 fcport->d_id.b.domain, fcport->d_id.b.area,
3751 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3752
3753 *next_loopid = fcport->loop_id;
e315cd28 3754 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3755 fcport->d_id.b.domain, fcport->d_id.b.area,
3756 fcport->d_id.b.al_pa);
1da177e4 3757 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3758 fcport->login_retry = 0;
1da177e4
LT		 3759
3760 rval = 3;
3761 break;
3762 }
3763 }
3764
3765 return (rval);
3766}
3767
3768/*
3769 * qla2x00_local_device_login
3770 * Issue local device login command.
3771 *
3772 * Input:
3773 * ha = adapter block pointer.
3774 * loop_id = loop id of device to login to.
3775 *
3776 * Returns (Where's the #define!!!!):
3777 * 0 - Login successfully
3778 * 1 - Login failed
3779 * 3 - Fatal error
3780 */
3781int
e315cd28 3782qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3783{
3784 int rval;
3785 uint16_t mb[MAILBOX_REGISTER_COUNT];
3786
3787 memset(mb, 0, sizeof(mb));
e315cd28 3788 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3789 if (rval == QLA_SUCCESS) {
3790 /* Interrogate mailbox registers for any errors */
3791 if (mb[0] == MBS_COMMAND_ERROR)
3792 rval = 1;
3793 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3794 /* device not in PCB table */
3795 rval = 3;
3796 }
3797
3798 return (rval);
3799}
3800
3801/*
3802 * qla2x00_loop_resync
3803 * Resync with fibre channel devices.
3804 *
3805 * Input:
3806 * ha = adapter block pointer.
3807 *
3808 * Returns:
3809 * 0 = success
3810 */
3811int
e315cd28 3812qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3813{
73208dfd 3814 int rval = QLA_SUCCESS;
1da177e4 3815 uint32_t wait_time;
67c2e93a
AC		 3816 struct req_que *req;
3817 struct rsp_que *rsp;
3818
7163ea81 3819 if (vha->hw->flags.cpu_affinity_enabled)
67c2e93a
AC		 3820 req = vha->hw->req_q_map[0];
3821 else
3822 req = vha->req;
3823 rsp = req->rsp;
1da177e4 3824
e315cd28
AC		 3825 atomic_set(&vha->loop_state, LOOP_UPDATE);
3826 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3827 if (vha->flags.online) {
3828 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3829 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3830 wait_time = 256;
3831 do {
e315cd28 3832 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3833
0107109e 3834 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3835 qla2x00_marker(vha, req, rsp, 0, 0,
3836 MK_SYNC_ALL);
e315cd28 3837 vha->marker_needed = 0;
1da177e4
LT		 3838
3839 /* Remap devices on Loop. */
e315cd28 3840 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3841
e315cd28 3842 qla2x00_configure_loop(vha);
1da177e4 3843 wait_time--;
e315cd28
AC		 3844 } while (!atomic_read(&vha->loop_down_timer) &&
3845 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3846 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3847 &vha->dpc_flags)));
1da177e4 3848 }
1da177e4
LT		 3849 }
3850
e315cd28 3851 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3852 return (QLA_FUNCTION_FAILED);
1da177e4 3853
e315cd28 3854 if (rval)
1da177e4 3855 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3856
3857 return (rval);
3858}
3859
579d12b5
SK		 3860/*
3861* qla2x00_perform_loop_resync
3862* Description: This function will set the appropriate flags and call
3863* qla2x00_loop_resync. If successful loop will be resynced
3864* Arguments : scsi_qla_host_t pointer
3865* returm : Success or Failure
3866*/
3867
3868int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
3869{
3870 int32_t rval = 0;
3871
3872 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
3873 /*Configure the flags so that resync happens properly*/
3874 atomic_set(&ha->loop_down_timer, 0);
3875 if (!(ha->device_flags & DFLG_NO_CABLE)) {
3876 atomic_set(&ha->loop_state, LOOP_UP);
3877 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
3878 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
3879 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3880
3881 rval = qla2x00_loop_resync(ha);
3882 } else
3883 atomic_set(&ha->loop_state, LOOP_DEAD);
3884
3885 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
3886 }
3887
3888 return rval;
3889}
3890
d97994dc 3891void
67becc00 3892qla2x00_update_fcports(scsi_qla_host_t *base_vha)
d97994dc 3893{
3894 fc_port_t *fcport;
feafb7b1
AE		 3895 struct scsi_qla_host *vha;
3896 struct qla_hw_data *ha = base_vha->hw;
3897 unsigned long flags;
d97994dc 3898
feafb7b1 3899 spin_lock_irqsave(&ha->vport_slock, flags);
d97994dc 3900 /* Go with deferred removal of rport references. */
feafb7b1
AE		 3901 list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
3902 atomic_inc(&vha->vref_count);
3903 list_for_each_entry(fcport, &vha->vp_fcports, list) {
8ae598d0 3904 if (fcport->drport &&
feafb7b1
AE		 3905 atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
3906 spin_unlock_irqrestore(&ha->vport_slock, flags);
3907
67becc00 3908 qla2x00_rport_del(fcport);
feafb7b1
AE		 3909
3910 spin_lock_irqsave(&ha->vport_slock, flags);
3911 }
3912 }
3913 atomic_dec(&vha->vref_count);
3914 }
3915 spin_unlock_irqrestore(&ha->vport_slock, flags);
d97994dc 3916}
3917
579d12b5
SK		 3918/*
3919* qla82xx_quiescent_state_cleanup
3920* Description: This function will block the new I/Os
3921* Its not aborting any I/Os as context
3922* is not destroyed during quiescence
3923* Arguments: scsi_qla_host_t
3924* return : void
3925*/
3926void
3927qla82xx_quiescent_state_cleanup(scsi_qla_host_t *vha)
3928{
3929 struct qla_hw_data *ha = vha->hw;
3930 struct scsi_qla_host *vp;
3931
3932 qla_printk(KERN_INFO, ha,
3933 "Performing ISP error recovery - ha= %p.\n", ha);
3934
3935 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3936 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3937 atomic_set(&vha->loop_state, LOOP_DOWN);
3938 qla2x00_mark_all_devices_lost(vha, 0);
3939 list_for_each_entry(vp, &ha->vp_list, list)
3940 qla2x00_mark_all_devices_lost(vha, 0);
3941 } else {
3942 if (!atomic_read(&vha->loop_down_timer))
3943 atomic_set(&vha->loop_down_timer,
3944 LOOP_DOWN_TIME);
3945 }
3946 /* Wait for pending cmds to complete */
3947 qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
3948}
3949
a9083016
GM		 3950void
3951qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
3952{
3953 struct qla_hw_data *ha = vha->hw;
579d12b5 3954 struct scsi_qla_host *vp;
feafb7b1 3955 unsigned long flags;
6aef87be 3956 fc_port_t *fcport;
a9083016 3957
e46ef004
SK		 3958 /* For ISP82XX, driver waits for completion of the commands.
3959 * online flag should be set.
3960 */
3961 if (!IS_QLA82XX(ha))
3962 vha->flags.online = 0;
a9083016
GM		 3963 ha->flags.chip_reset_done = 0;
3964 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3965 ha->qla_stats.total_isp_aborts++;
3966
3967 qla_printk(KERN_INFO, ha,
3968 "Performing ISP error recovery - ha= %p.\n", ha);
3969
e46ef004
SK		 3970 /* For ISP82XX, reset_chip is just disabling interrupts.
3971 * Driver waits for the completion of the commands.
3972 * the interrupts need to be enabled.
3973 */
a9083016
GM		 3974 if (!IS_QLA82XX(ha))
3975 ha->isp_ops->reset_chip(vha);
3976
3977 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3978 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3979 atomic_set(&vha->loop_state, LOOP_DOWN);
3980 qla2x00_mark_all_devices_lost(vha, 0);
feafb7b1
AE		 3981
3982 spin_lock_irqsave(&ha->vport_slock, flags);
579d12b5 3983 list_for_each_entry(vp, &ha->vp_list, list) {
feafb7b1
AE		 3984 atomic_inc(&vp->vref_count);
3985 spin_unlock_irqrestore(&ha->vport_slock, flags);
3986
a9083016 3987 qla2x00_mark_all_devices_lost(vp, 0);
feafb7b1
AE		 3988
3989 spin_lock_irqsave(&ha->vport_slock, flags);
3990 atomic_dec(&vp->vref_count);
3991 }
3992 spin_unlock_irqrestore(&ha->vport_slock, flags);
a9083016
GM		 3993 } else {
3994 if (!atomic_read(&vha->loop_down_timer))
3995 atomic_set(&vha->loop_down_timer,
3996 LOOP_DOWN_TIME);
3997 }
3998
6aef87be
AV		 3999 /* Clear all async request states across all VPs. */
4000 list_for_each_entry(fcport, &vha->vp_fcports, list)
4001 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4002 spin_lock_irqsave(&ha->vport_slock, flags);
4003 list_for_each_entry(vp, &ha->vp_list, list) {
4004 atomic_inc(&vp->vref_count);
4005 spin_unlock_irqrestore(&ha->vport_slock, flags);
4006
4007 list_for_each_entry(fcport, &vp->vp_fcports, list)
4008 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4009
4010 spin_lock_irqsave(&ha->vport_slock, flags);
4011 atomic_dec(&vp->vref_count);
4012 }
4013 spin_unlock_irqrestore(&ha->vport_slock, flags);
4014
bddd2d65
LC		 4015 if (!ha->flags.eeh_busy) {
4016 /* Make sure for ISP 82XX IO DMA is complete */
4017 if (IS_QLA82XX(ha)) {
7190575f 4018 qla82xx_chip_reset_cleanup(vha);
a9083016 4019
e46ef004
SK		 4020 /* Done waiting for pending commands.
4021 * Reset the online flag.
4022 */
4023 vha->flags.online = 0;
4d78c973 4024 }
a9083016 4025
bddd2d65
LC		 4026 /* Requeue all commands in outstanding command list. */
4027 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4028 }
a9083016
GM		 4029}
4030
1da177e4
LT		 4031/*
4032* qla2x00_abort_isp
4033* Resets ISP and aborts all outstanding commands.
4034*
4035* Input:
4036* ha = adapter block pointer.
4037*
4038* Returns:
4039* 0 = success
4040*/
4041int
e315cd28 4042qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 4043{
476e8978 4044 int rval;
1da177e4 4045 uint8_t status = 0;
e315cd28
AC		 4046 struct qla_hw_data *ha = vha->hw;
4047 struct scsi_qla_host *vp;
73208dfd 4048 struct req_que *req = ha->req_q_map[0];
feafb7b1 4049 unsigned long flags;
1da177e4 4050
e315cd28 4051 if (vha->flags.online) {
a9083016 4052 qla2x00_abort_isp_cleanup(vha);
1da177e4 4053
85880801
AV		 4054 if (unlikely(pci_channel_offline(ha->pdev) &&
4055 ha->flags.pci_channel_io_perm_failure)) {
4056 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4057 status = 0;
4058 return status;
4059 }
4060
73208dfd 4061 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 4062
e315cd28 4063 ha->isp_ops->nvram_config(vha);
1da177e4 4064
e315cd28
AC		 4065 if (!qla2x00_restart_isp(vha)) {
4066 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 4067
e315cd28 4068 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 4069 /*
4070 * Issue marker command only when we are going
4071 * to start the I/O .
4072 */
e315cd28 4073 vha->marker_needed = 1;
1da177e4
LT		 4074 }
4075
e315cd28 4076 vha->flags.online = 1;
1da177e4 4077
fd34f556 4078 ha->isp_ops->enable_intrs(ha);
1da177e4 4079
fa2a1ce5 4080 ha->isp_abort_cnt = 0;
e315cd28 4081 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 4082
29c5397f
LC		 4083 if (IS_QLA81XX(ha))
4084 qla2x00_get_fw_version(vha,
4085 &ha->fw_major_version,
4086 &ha->fw_minor_version,
4087 &ha->fw_subminor_version,
4088 &ha->fw_attributes, &ha->fw_memory_size,
4089 ha->mpi_version, &ha->mpi_capabilities,
4090 ha->phy_version);
4091
df613b96
AV		 4092 if (ha->fce) {
4093 ha->flags.fce_enabled = 1;
4094 memset(ha->fce, 0,
4095 fce_calc_size(ha->fce_bufs));
e315cd28 4096 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 4097 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4098 &ha->fce_bufs);
4099 if (rval) {
4100 qla_printk(KERN_WARNING, ha,
4101 "Unable to reinitialize FCE "
4102 "(%d).\n", rval);
4103 ha->flags.fce_enabled = 0;
4104 }
4105 }
436a7b11
AV		 4106
4107 if (ha->eft) {
4108 memset(ha->eft, 0, EFT_SIZE);
e315cd28 4109 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 4110 ha->eft_dma, EFT_NUM_BUFFERS);
4111 if (rval) {
4112 qla_printk(KERN_WARNING, ha,
4113 "Unable to reinitialize EFT "
4114 "(%d).\n", rval);
4115 }
4116 }
1da177e4 4117 } else { /* failed the ISP abort */
e315cd28
AC		 4118 vha->flags.online = 1;
4119 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 4120 if (ha->isp_abort_cnt == 0) {
4121 qla_printk(KERN_WARNING, ha,
4122 "ISP error recovery failed - "
4123 "board disabled\n");
fa2a1ce5 4124 /*
1da177e4
LT		 4125 * The next call disables the board
4126 * completely.
4127 */
e315cd28
AC		 4128 ha->isp_ops->reset_adapter(vha);
4129 vha->flags.online = 0;
1da177e4 4130 clear_bit(ISP_ABORT_RETRY,
e315cd28 4131 &vha->dpc_flags);
1da177e4
LT		 4132 status = 0;
4133 } else { /* schedule another ISP abort */
4134 ha->isp_abort_cnt--;
4135 DEBUG(printk("qla%ld: ISP abort - "
0107109e 4136 "retry remaining %d\n",
e315cd28 4137 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 4138 status = 1;
4139 }
4140 } else {
4141 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4142 DEBUG(printk("qla2x00(%ld): ISP error recovery "
4143 "- retrying (%d) more times\n",
e315cd28
AC		 4144 vha->host_no, ha->isp_abort_cnt));
4145 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 4146 status = 1;
4147 }
4148 }
fa2a1ce5 4149
1da177e4
LT		 4150 }
4151
e315cd28
AC		 4152 if (!status) {
4153 DEBUG(printk(KERN_INFO
4154 "qla2x00_abort_isp(%ld): succeeded.\n",
4155 vha->host_no));
feafb7b1
AE		 4156
4157 spin_lock_irqsave(&ha->vport_slock, flags);
4158 list_for_each_entry(vp, &ha->vp_list, list) {
4159 if (vp->vp_idx) {
4160 atomic_inc(&vp->vref_count);
4161 spin_unlock_irqrestore(&ha->vport_slock, flags);
4162
e315cd28 4163 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 4164
4165 spin_lock_irqsave(&ha->vport_slock, flags);
4166 atomic_dec(&vp->vref_count);
4167 }
e315cd28 4168 }
feafb7b1
AE		 4169 spin_unlock_irqrestore(&ha->vport_slock, flags);
4170
e315cd28 4171 } else {
1da177e4
LT		 4172 qla_printk(KERN_INFO, ha,
4173 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 4174 }
4175
4176 return(status);
4177}
4178
4179/*
4180* qla2x00_restart_isp
4181* restarts the ISP after a reset
4182*
4183* Input:
4184* ha = adapter block pointer.
4185*
4186* Returns:
4187* 0 = success
4188*/
4189static int
e315cd28 4190qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 4191{
c6b2fca8 4192 int status = 0;
1da177e4 4193 uint32_t wait_time;
e315cd28 4194 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 4195 struct req_que *req = ha->req_q_map[0];
4196 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 4197
4198 /* If firmware needs to be loaded */
e315cd28
AC		 4199 if (qla2x00_isp_firmware(vha)) {
4200 vha->flags.online = 0;
4201 status = ha->isp_ops->chip_diag(vha);
4202 if (!status)
4203 status = qla2x00_setup_chip(vha);
1da177e4
LT		 4204 }
4205
e315cd28
AC		 4206 if (!status && !(status = qla2x00_init_rings(vha))) {
4207 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 4208 ha->flags.chip_reset_done = 1;
73208dfd
AC		 4209 /* Initialize the queues in use */
4210 qla25xx_init_queues(ha);
4211
e315cd28
AC		 4212 status = qla2x00_fw_ready(vha);
4213 if (!status) {
1da177e4 4214 DEBUG(printk("%s(): Start configure loop, "
744f11fd 4215 "status = %d\n", __func__, status));
0107109e
AV		 4216
4217 /* Issue a marker after FW becomes ready. */
73208dfd 4218 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 4219
e315cd28 4220 vha->flags.online = 1;
1da177e4
LT		 4221 /* Wait at most MAX_TARGET RSCNs for a stable link. */
4222 wait_time = 256;
4223 do {
e315cd28
AC		 4224 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4225 qla2x00_configure_loop(vha);
1da177e4 4226 wait_time--;
e315cd28
AC		 4227 } while (!atomic_read(&vha->loop_down_timer) &&
4228 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4229 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4230 &vha->dpc_flags)));
1da177e4
LT		 4231 }
4232
4233 /* if no cable then assume it's good */
e315cd28 4234 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 4235 status = 0;
4236
4237 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
4238 __func__,
744f11fd 4239 status));
1da177e4
LT		 4240 }
4241 return (status);
4242}
4243
73208dfd
AC		 4244static int
4245qla25xx_init_queues(struct qla_hw_data *ha)
4246{
4247 struct rsp_que *rsp = NULL;
4248 struct req_que *req = NULL;
4249 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4250 int ret = -1;
4251 int i;
4252
2afa19a9 4253 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 4254 rsp = ha->rsp_q_map[i];
4255 if (rsp) {
4256 rsp->options &= ~BIT_0;
618a7523 4257 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 4258 if (ret != QLA_SUCCESS)
4259 DEBUG2_17(printk(KERN_WARNING
4260 "%s Rsp que:%d init failed\n", __func__,
4261 rsp->id));
4262 else
4263 DEBUG2_17(printk(KERN_INFO
4264 "%s Rsp que:%d inited\n", __func__,
4265 rsp->id));
4266 }
2afa19a9
AC		 4267 }
4268 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 4269 req = ha->req_q_map[i];
4270 if (req) {
29bdccbe 4271 /* Clear outstanding commands array. */
73208dfd 4272 req->options &= ~BIT_0;
618a7523 4273 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 4274 if (ret != QLA_SUCCESS)
4275 DEBUG2_17(printk(KERN_WARNING
4276 "%s Req que:%d init failed\n", __func__,
4277 req->id));
4278 else
4279 DEBUG2_17(printk(KERN_WARNING
29bdccbe 4280 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 4281 req->id));
4282 }
4283 }
4284 return ret;
4285}
4286
1da177e4
LT		 4287/*
4288* qla2x00_reset_adapter
4289* Reset adapter.
4290*
4291* Input:
4292* ha = adapter block pointer.
4293*/
abbd8870 4294void
e315cd28 4295qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 4296{
4297 unsigned long flags = 0;
e315cd28 4298 struct qla_hw_data *ha = vha->hw;
3d71644c 4299 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 4300
e315cd28 4301 vha->flags.online = 0;
fd34f556 4302 ha->isp_ops->disable_intrs(ha);
1da177e4 4303
1da177e4
LT		 4304 spin_lock_irqsave(&ha->hardware_lock, flags);
4305 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4306 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4307 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4308 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
4309 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4310}
0107109e
AV		 4311
4312void
e315cd28 4313qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 4314{
4315 unsigned long flags = 0;
e315cd28 4316 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 4317 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4318
a9083016
GM		 4319 if (IS_QLA82XX(ha))
4320 return;
4321
e315cd28 4322 vha->flags.online = 0;
fd34f556 4323 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 4324
4325 spin_lock_irqsave(&ha->hardware_lock, flags);
4326 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4327 RD_REG_DWORD(&reg->hccr);
4328 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4329 RD_REG_DWORD(&reg->hccr);
4330 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 4331
4332 if (IS_NOPOLLING_TYPE(ha))
4333 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 4334}
4335
4e08df3f
DM		 4336/* On sparc systems, obtain port and node WWN from firmware
4337 * properties.
4338 */
e315cd28
AC		 4339static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4340 struct nvram_24xx *nv)
4e08df3f
DM		 4341{
4342#ifdef CONFIG_SPARC
e315cd28 4343 struct qla_hw_data *ha = vha->hw;
4e08df3f 4344 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 4345 struct device_node *dp = pci_device_to_OF_node(pdev);
4346 const u8 *val;
4e08df3f
DM		 4347 int len;
4348
4349 val = of_get_property(dp, "port-wwn", &len);
4350 if (val && len >= WWN_SIZE)
4351 memcpy(nv->port_name, val, WWN_SIZE);
4352
4353 val = of_get_property(dp, "node-wwn", &len);
4354 if (val && len >= WWN_SIZE)
4355 memcpy(nv->node_name, val, WWN_SIZE);
4356#endif
4357}
4358
0107109e 4359int
e315cd28 4360qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 4361{
4e08df3f 4362 int rval;
0107109e
AV		 4363 struct init_cb_24xx *icb;
4364 struct nvram_24xx *nv;
4365 uint32_t *dptr;
4366 uint8_t *dptr1, *dptr2;
4367 uint32_t chksum;
4368 uint16_t cnt;
e315cd28 4369 struct qla_hw_data *ha = vha->hw;
0107109e 4370
4e08df3f 4371 rval = QLA_SUCCESS;
0107109e 4372 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 4373 nv = ha->nvram;
0107109e
AV		 4374
4375 /* Determine NVRAM starting address. */
e5b68a61
AC		 4376 if (ha->flags.port0) {
4377 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4378 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4379 } else {
0107109e 4380 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 4381 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4382 }
e5b68a61
AC		 4383 ha->nvram_size = sizeof(struct nvram_24xx);
4384 ha->vpd_size = FA_NVRAM_VPD_SIZE;
a9083016
GM		 4385 if (IS_QLA82XX(ha))
4386 ha->vpd_size = FA_VPD_SIZE_82XX;
0107109e 4387
281afe19
SJ		 4388 /* Get VPD data into cache */
4389 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 4390 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 4391 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4392
4393 /* Get NVRAM data into cache and calculate checksum. */
0107109e 4394 dptr = (uint32_t *)nv;
e315cd28 4395 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 4396 ha->nvram_size);
4397 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4398 chksum += le32_to_cpu(*dptr++);
4399
7640335e 4400 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 4401 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 4402
4403 /* Bad NVRAM data, set defaults parameters. */
4404 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4405 || nv->id[3] != ' ' ||
4406 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4407 /* Reset NVRAM data. */
4408 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4409 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4410 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 4411 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4412 "invalid -- WWPN) defaults.\n");
4413
4414 /*
4415 * Set default initialization control block.
4416 */
4417 memset(nv, 0, ha->nvram_size);
4418 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4419 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4420 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4421 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4422 nv->exchange_count = __constant_cpu_to_le16(0);
4423 nv->hard_address = __constant_cpu_to_le16(124);
4424 nv->port_name[0] = 0x21;
e5b68a61 4425 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 4426 nv->port_name[2] = 0x00;
4427 nv->port_name[3] = 0xe0;
4428 nv->port_name[4] = 0x8b;
4429 nv->port_name[5] = 0x1c;
4430 nv->port_name[6] = 0x55;
4431 nv->port_name[7] = 0x86;
4432 nv->node_name[0] = 0x20;
4433 nv->node_name[1] = 0x00;
4434 nv->node_name[2] = 0x00;
4435 nv->node_name[3] = 0xe0;
4436 nv->node_name[4] = 0x8b;
4437 nv->node_name[5] = 0x1c;
4438 nv->node_name[6] = 0x55;
4439 nv->node_name[7] = 0x86;
e315cd28 4440 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 4441 nv->login_retry_count = __constant_cpu_to_le16(8);
4442 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4443 nv->login_timeout = __constant_cpu_to_le16(0);
4444 nv->firmware_options_1 =
4445 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4446 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4447 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4448 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4449 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4450 nv->efi_parameters = __constant_cpu_to_le32(0);
4451 nv->reset_delay = 5;
4452 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4453 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4454 nv->link_down_timeout = __constant_cpu_to_le16(30);
4455
4456 rval = 1;
0107109e
AV		 4457 }
4458
4459 /* Reset Initialization control block */
e315cd28 4460 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 4461
4462 /* Copy 1st segment. */
4463 dptr1 = (uint8_t *)icb;
4464 dptr2 = (uint8_t *)&nv->version;
4465 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4466 while (cnt--)
4467 *dptr1++ = *dptr2++;
4468
4469 icb->login_retry_count = nv->login_retry_count;
3ea66e28 4470 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 4471
4472 /* Copy 2nd segment. */
4473 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4474 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4475 cnt = (uint8_t *)&icb->reserved_3 -
4476 (uint8_t *)&icb->interrupt_delay_timer;
4477 while (cnt--)
4478 *dptr1++ = *dptr2++;
4479
4480 /*
4481 * Setup driver NVRAM options.
4482 */
e315cd28 4483 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 4484 "QLA2462");
0107109e 4485
5341e868
AV		 4486 /* Use alternate WWN? */
4487 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4488 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4489 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4490 }
4491
0107109e 4492 /* Prepare nodename */
fd0e7e4d 4493 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 4494 /*
4495 * Firmware will apply the following mask if the nodename was
4496 * not provided.
4497 */
4498 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4499 icb->node_name[0] &= 0xF0;
4500 }
4501
4502 /* Set host adapter parameters. */
4503 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 4504 ha->flags.enable_lip_reset = 0;
4505 ha->flags.enable_lip_full_login =
4506 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4507 ha->flags.enable_target_reset =
4508 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 4509 ha->flags.enable_led_scheme = 0;
d4c760c2 4510 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 4511
fd0e7e4d
AV		 4512 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4513 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 4514
4515 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
4516 sizeof(ha->fw_seriallink_options24));
4517
4518 /* save HBA serial number */
4519 ha->serial0 = icb->port_name[5];
4520 ha->serial1 = icb->port_name[6];
4521 ha->serial2 = icb->port_name[7];
e315cd28
AC		 4522 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4523 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 4524
bc8fb3cb 4525 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4526
0107109e
AV		 4527 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4528
4529 /* Set minimum login_timeout to 4 seconds. */
4530 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4531 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4532 if (le16_to_cpu(nv->login_timeout) < 4)
4533 nv->login_timeout = __constant_cpu_to_le16(4);
4534 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 4535 icb->login_timeout = nv->login_timeout;
0107109e 4536
00a537b8
AV		 4537 /* Set minimum RATOV to 100 tenths of a second. */
4538 ha->r_a_tov = 100;
0107109e
AV		 4539
4540 ha->loop_reset_delay = nv->reset_delay;
4541
4542 /* Link Down Timeout = 0:
4543 *
4544 * When Port Down timer expires we will start returning
4545 * I/O's to OS with "DID_NO_CONNECT".
4546 *
4547 * Link Down Timeout != 0:
4548 *
4549 * The driver waits for the link to come up after link down
4550 * before returning I/Os to OS with "DID_NO_CONNECT".
4551 */
4552 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4553 ha->loop_down_abort_time =
4554 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4555 } else {
4556 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4557 ha->loop_down_abort_time =
4558 (LOOP_DOWN_TIME - ha->link_down_timeout);
4559 }
4560
4561 /* Need enough time to try and get the port back. */
4562 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4563 if (qlport_down_retry)
4564 ha->port_down_retry_count = qlport_down_retry;
4565
4566 /* Set login_retry_count */
4567 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4568 if (ha->port_down_retry_count ==
4569 le16_to_cpu(nv->port_down_retry_count) &&
4570 ha->port_down_retry_count > 3)
4571 ha->login_retry_count = ha->port_down_retry_count;
4572 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4573 ha->login_retry_count = ha->port_down_retry_count;
4574 if (ql2xloginretrycount)
4575 ha->login_retry_count = ql2xloginretrycount;
4576
4fdfefe5 4577 /* Enable ZIO. */
e315cd28 4578 if (!vha->flags.init_done) {
4fdfefe5
AV		 4579 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4580 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4581 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4582 le16_to_cpu(icb->interrupt_delay_timer): 2;
4583 }
4584 icb->firmware_options_2 &= __constant_cpu_to_le32(
4585 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 4586 vha->flags.process_response_queue = 0;
4fdfefe5 4587 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 4588 ha->zio_mode = QLA_ZIO_MODE_6;
4589
4fdfefe5 4590 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 4591 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 4592 ha->zio_timer * 100));
4593 qla_printk(KERN_INFO, ha,
4594 "ZIO mode %d enabled; timer delay (%d us).\n",
4595 ha->zio_mode, ha->zio_timer * 100);
4596
4597 icb->firmware_options_2 |= cpu_to_le32(
4598 (uint32_t)ha->zio_mode);
4599 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 4600 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 4601 }
4602
4e08df3f
DM		 4603 if (rval) {
4604 DEBUG2_3(printk(KERN_WARNING
e315cd28 4605 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 4606 }
4607 return (rval);
0107109e
AV		 4608}
4609
413975a0 4610static int
cbc8eb67
AV		 4611qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
4612 uint32_t faddr)
d1c61909 4613{
73208dfd 4614 int rval = QLA_SUCCESS;
d1c61909 4615 int segments, fragment;
d1c61909
AV		 4616 uint32_t *dcode, dlen;
4617 uint32_t risc_addr;
4618 uint32_t risc_size;
4619 uint32_t i;
e315cd28 4620 struct qla_hw_data *ha = vha->hw;
73208dfd 4621 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 4622
4623 qla_printk(KERN_INFO, ha,
cbc8eb67 4624 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 4625
d1c61909
AV		 4626 rval = QLA_SUCCESS;
4627
4628 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4629 dcode = (uint32_t *)req->ring;
d1c61909
AV		 4630 *srisc_addr = 0;
4631
4632 /* Validate firmware image by checking version. */
e315cd28 4633 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 4634 for (i = 0; i < 4; i++)
4635 dcode[i] = be32_to_cpu(dcode[i]);
4636 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4637 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4638 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4639 dcode[3] == 0)) {
4640 qla_printk(KERN_WARNING, ha,
4641 "Unable to verify integrity of flash firmware image!\n");
4642 qla_printk(KERN_WARNING, ha,
4643 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4644 dcode[1], dcode[2], dcode[3]);
4645
4646 return QLA_FUNCTION_FAILED;
4647 }
4648
4649 while (segments && rval == QLA_SUCCESS) {
4650 /* Read segment's load information. */
e315cd28 4651 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 4652
4653 risc_addr = be32_to_cpu(dcode[2]);
4654 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4655 risc_size = be32_to_cpu(dcode[3]);
4656
4657 fragment = 0;
4658 while (risc_size > 0 && rval == QLA_SUCCESS) {
4659 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4660 if (dlen > risc_size)
4661 dlen = risc_size;
4662
4663 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4664 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 4665 vha->host_no, risc_addr, dlen, faddr));
d1c61909 4666
e315cd28 4667 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 4668 for (i = 0; i < dlen; i++)
4669 dcode[i] = swab32(dcode[i]);
4670
73208dfd 4671 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 4672 dlen);
4673 if (rval) {
4674 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4675 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 4676 fragment));
4677 qla_printk(KERN_WARNING, ha,
4678 "[ERROR] Failed to load segment %d of "
4679 "firmware\n", fragment);
4680 break;
4681 }
4682
4683 faddr += dlen;
4684 risc_addr += dlen;
4685 risc_size -= dlen;
4686 fragment++;
4687 }
4688
4689 /* Next segment. */
4690 segments--;
4691 }
4692
4693 return rval;
4694}
4695
d1c61909
AV		 4696#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
4697
0107109e 4698int
e315cd28 4699qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 4700{
4701 int rval;
4702 int i, fragment;
4703 uint16_t *wcode, *fwcode;
4704 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
4705 struct fw_blob *blob;
e315cd28 4706 struct qla_hw_data *ha = vha->hw;
73208dfd 4707 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 4708
4709 /* Load firmware blob. */
e315cd28 4710 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4711 if (!blob) {
4712 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4713 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4714 "from: " QLA_FW_URL ".\n");
5433383e
AV		 4715 return QLA_FUNCTION_FAILED;
4716 }
4717
4718 rval = QLA_SUCCESS;
4719
73208dfd 4720 wcode = (uint16_t *)req->ring;
5433383e
AV		 4721 *srisc_addr = 0;
4722 fwcode = (uint16_t *)blob->fw->data;
4723 fwclen = 0;
4724
4725 /* Validate firmware image by checking version. */
4726 if (blob->fw->size < 8 * sizeof(uint16_t)) {
4727 qla_printk(KERN_WARNING, ha,
4728 "Unable to verify integrity of firmware image (%Zd)!\n",
4729 blob->fw->size);
4730 goto fail_fw_integrity;
4731 }
4732 for (i = 0; i < 4; i++)
4733 wcode[i] = be16_to_cpu(fwcode[i + 4]);
4734 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
4735 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
4736 wcode[2] == 0 && wcode[3] == 0)) {
4737 qla_printk(KERN_WARNING, ha,
4738 "Unable to verify integrity of firmware image!\n");
4739 qla_printk(KERN_WARNING, ha,
4740 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4741 wcode[1], wcode[2], wcode[3]);
4742 goto fail_fw_integrity;
4743 }
4744
4745 seg = blob->segs;
4746 while (*seg && rval == QLA_SUCCESS) {
4747 risc_addr = *seg;
4748 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4749 risc_size = be16_to_cpu(fwcode[3]);
4750
4751 /* Validate firmware image size. */
4752 fwclen += risc_size * sizeof(uint16_t);
4753 if (blob->fw->size < fwclen) {
4754 qla_printk(KERN_WARNING, ha,
4755 "Unable to verify integrity of firmware image "
4756 "(%Zd)!\n", blob->fw->size);
4757 goto fail_fw_integrity;
4758 }
4759
4760 fragment = 0;
4761 while (risc_size > 0 && rval == QLA_SUCCESS) {
4762 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4763 if (wlen > risc_size)
4764 wlen = risc_size;
4765
4766 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4767 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 4768 risc_addr, wlen));
4769
4770 for (i = 0; i < wlen; i++)
4771 wcode[i] = swab16(fwcode[i]);
4772
73208dfd 4773 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 4774 wlen);
4775 if (rval) {
4776 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4777 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 4778 fragment));
4779 qla_printk(KERN_WARNING, ha,
4780 "[ERROR] Failed to load segment %d of "
4781 "firmware\n", fragment);
4782 break;
4783 }
4784
4785 fwcode += wlen;
4786 risc_addr += wlen;
4787 risc_size -= wlen;
4788 fragment++;
4789 }
4790
4791 /* Next segment. */
4792 seg++;
4793 }
4794 return rval;
4795
4796fail_fw_integrity:
4797 return QLA_FUNCTION_FAILED;
4798}
4799
eaac30be
AV		 4800static int
4801qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4802{
4803 int rval;
4804 int segments, fragment;
4805 uint32_t *dcode, dlen;
4806 uint32_t risc_addr;
4807 uint32_t risc_size;
4808 uint32_t i;
5433383e 4809 struct fw_blob *blob;
0107109e 4810 uint32_t *fwcode, fwclen;
e315cd28 4811 struct qla_hw_data *ha = vha->hw;
73208dfd 4812 struct req_que *req = ha->req_q_map[0];
0107109e 4813
5433383e 4814 /* Load firmware blob. */
e315cd28 4815 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4816 if (!blob) {
4817 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4818 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4819 "from: " QLA_FW_URL ".\n");
4820
eaac30be 4821 return QLA_FUNCTION_FAILED;
0107109e
AV		 4822 }
4823
eaac30be
AV		 4824 qla_printk(KERN_INFO, ha,
4825 "FW: Loading via request-firmware...\n");
4826
0107109e
AV		 4827 rval = QLA_SUCCESS;
4828
4829 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4830 dcode = (uint32_t *)req->ring;
0107109e 4831 *srisc_addr = 0;
5433383e 4832 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4833 fwclen = 0;
4834
4835 /* Validate firmware image by checking version. */
5433383e 4836 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4837 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4838 "Unable to verify integrity of firmware image (%Zd)!\n",
4839 blob->fw->size);
0107109e
AV		 4840 goto fail_fw_integrity;
4841 }
4842 for (i = 0; i < 4; i++)
4843 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4844 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4845 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4846 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4847 dcode[3] == 0)) {
4848 qla_printk(KERN_WARNING, ha,
5433383e 4849 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4850 qla_printk(KERN_WARNING, ha,
4851 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4852 dcode[1], dcode[2], dcode[3]);
4853 goto fail_fw_integrity;
4854 }
4855
4856 while (segments && rval == QLA_SUCCESS) {
4857 risc_addr = be32_to_cpu(fwcode[2]);
4858 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4859 risc_size = be32_to_cpu(fwcode[3]);
4860
4861 /* Validate firmware image size. */
4862 fwclen += risc_size * sizeof(uint32_t);
5433383e 4863 if (blob->fw->size < fwclen) {
0107109e 4864 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4865 "Unable to verify integrity of firmware image "
4866 "(%Zd)!\n", blob->fw->size);
4867
0107109e
AV		 4868 goto fail_fw_integrity;
4869 }
4870
4871 fragment = 0;
4872 while (risc_size > 0 && rval == QLA_SUCCESS) {
4873 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4874 if (dlen > risc_size)
4875 dlen = risc_size;
4876
4877 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4878 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4879 risc_addr, dlen));
4880
4881 for (i = 0; i < dlen; i++)
4882 dcode[i] = swab32(fwcode[i]);
4883
73208dfd 4884 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4885 dlen);
0107109e
AV		 4886 if (rval) {
4887 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4888 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4889 fragment));
4890 qla_printk(KERN_WARNING, ha,
4891 "[ERROR] Failed to load segment %d of "
4892 "firmware\n", fragment);
4893 break;
4894 }
4895
4896 fwcode += dlen;
4897 risc_addr += dlen;
4898 risc_size -= dlen;
4899 fragment++;
4900 }
4901
4902 /* Next segment. */
4903 segments--;
4904 }
0107109e
AV		 4905 return rval;
4906
4907fail_fw_integrity:
0107109e 4908 return QLA_FUNCTION_FAILED;
0107109e 4909}
18c6c127 4910
eaac30be
AV		 4911int
4912qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4913{
4914 int rval;
4915
e337d907
AV		 4916 if (ql2xfwloadbin == 1)
4917 return qla81xx_load_risc(vha, srisc_addr);
4918
eaac30be
AV		 4919 /*
4920 * FW Load priority:
4921 * 1) Firmware via request-firmware interface (.bin file).
4922 * 2) Firmware residing in flash.
4923 */
4924 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4925 if (rval == QLA_SUCCESS)
4926 return rval;
4927
cbc8eb67
AV		 4928 return qla24xx_load_risc_flash(vha, srisc_addr,
4929 vha->hw->flt_region_fw);
eaac30be
AV		 4930}
4931
4932int
4933qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4934{
4935 int rval;
cbc8eb67 4936 struct qla_hw_data *ha = vha->hw;
eaac30be 4937
e337d907 4938 if (ql2xfwloadbin == 2)
cbc8eb67 4939 goto try_blob_fw;
e337d907 4940
eaac30be
AV		 4941 /*
4942 * FW Load priority:
4943 * 1) Firmware residing in flash.
4944 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4945 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4946 */
cbc8eb67 4947 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4948 if (rval == QLA_SUCCESS)
4949 return rval;
4950
cbc8eb67
AV		 4951try_blob_fw:
4952 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4953 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4954 return rval;
4955
4956 qla_printk(KERN_ERR, ha,
4957 "FW: Attempting to fallback to golden firmware...\n");
4958 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4959 if (rval != QLA_SUCCESS)
4960 return rval;
4961
4962 qla_printk(KERN_ERR, ha,
4963 "FW: Please update operational firmware...\n");
4964 ha->flags.running_gold_fw = 1;
4965
4966 return rval;
eaac30be
AV		 4967}
4968
18c6c127 4969void
e315cd28 4970qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4971{
4972 int ret, retries;
e315cd28 4973 struct qla_hw_data *ha = vha->hw;
18c6c127 4974
85880801
AV		 4975 if (ha->flags.pci_channel_io_perm_failure)
4976 return;
e428924c 4977 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4978 return;
75edf81d
AV		 4979 if (!ha->fw_major_version)
4980 return;
18c6c127 4981
e315cd28 4982 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4983 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4984 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4985 ha->isp_ops->reset_chip(vha);
4986 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4987 continue;
e315cd28 4988 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4989 continue;
4990 qla_printk(KERN_INFO, ha,
4991 "Attempting retry of stop-firmware command...\n");
e315cd28 4992 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4993 }
4994}
2c3dfe3f
SJ		 4995
4996int
e315cd28 4997qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4998{
4999 int rval = QLA_SUCCESS;
5000 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 5001 struct qla_hw_data *ha = vha->hw;
5002 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 5003 struct req_que *req;
5004 struct rsp_que *rsp;
2c3dfe3f 5005
e315cd28 5006 if (!vha->vp_idx)
2c3dfe3f
SJ		 5007 return -EINVAL;
5008
e315cd28 5009 rval = qla2x00_fw_ready(base_vha);
7163ea81 5010 if (ha->flags.cpu_affinity_enabled)
67c2e93a
AC		 5011 req = ha->req_q_map[0];
5012 else
5013 req = vha->req;
5014 rsp = req->rsp;
5015
2c3dfe3f 5016 if (rval == QLA_SUCCESS) {
e315cd28 5017 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 5018 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 5019 }
5020
e315cd28 5021 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 5022
5023 /* Login to SNS first */
e315cd28 5024 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 5025 if (mb[0] != MBS_COMMAND_COMPLETE) {
5026 DEBUG15(qla_printk(KERN_INFO, ha,
5027 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5028 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
5029 mb[0], mb[1], mb[2], mb[6], mb[7]));
5030 return (QLA_FUNCTION_FAILED);
5031 }
5032
e315cd28
AC		 5033 atomic_set(&vha->loop_down_timer, 0);
5034 atomic_set(&vha->loop_state, LOOP_UP);
5035 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5036 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5037 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 5038
5039 return rval;
5040}
4d4df193
HK		 5041
5042/* 84XX Support **************************************************************/
5043
5044static LIST_HEAD(qla_cs84xx_list);
5045static DEFINE_MUTEX(qla_cs84xx_mutex);
5046
5047static struct qla_chip_state_84xx *
e315cd28 5048qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 5049{
5050 struct qla_chip_state_84xx *cs84xx;
e315cd28 5051 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5052
5053 mutex_lock(&qla_cs84xx_mutex);
5054
5055 /* Find any shared 84xx chip. */
5056 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5057 if (cs84xx->bus == ha->pdev->bus) {
5058 kref_get(&cs84xx->kref);
5059 goto done;
5060 }
5061 }
5062
5063 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5064 if (!cs84xx)
5065 goto done;
5066
5067 kref_init(&cs84xx->kref);
5068 spin_lock_init(&cs84xx->access_lock);
5069 mutex_init(&cs84xx->fw_update_mutex);
5070 cs84xx->bus = ha->pdev->bus;
5071
5072 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5073done:
5074 mutex_unlock(&qla_cs84xx_mutex);
5075 return cs84xx;
5076}
5077
5078static void
5079__qla84xx_chip_release(struct kref *kref)
5080{
5081 struct qla_chip_state_84xx *cs84xx =
5082 container_of(kref, struct qla_chip_state_84xx, kref);
5083
5084 mutex_lock(&qla_cs84xx_mutex);
5085 list_del(&cs84xx->list);
5086 mutex_unlock(&qla_cs84xx_mutex);
5087 kfree(cs84xx);
5088}
5089
5090void
e315cd28 5091qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 5092{
e315cd28 5093 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5094 if (ha->cs84xx)
5095 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5096}
5097
5098static int
e315cd28 5099qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 5100{
5101 int rval;
5102 uint16_t status[2];
e315cd28 5103 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 5104
5105 mutex_lock(&ha->cs84xx->fw_update_mutex);
5106
e315cd28 5107 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 5108
5109 mutex_unlock(&ha->cs84xx->fw_update_mutex);
5110
5111 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5112 QLA_SUCCESS;
5113}
3a03eb79
AV		 5114
5115/* 81XX Support **************************************************************/
5116
5117int
5118qla81xx_nvram_config(scsi_qla_host_t *vha)
5119{
5120 int rval;
5121 struct init_cb_81xx *icb;
5122 struct nvram_81xx *nv;
5123 uint32_t *dptr;
5124 uint8_t *dptr1, *dptr2;
5125 uint32_t chksum;
5126 uint16_t cnt;
5127 struct qla_hw_data *ha = vha->hw;
5128
5129 rval = QLA_SUCCESS;
5130 icb = (struct init_cb_81xx *)ha->init_cb;
5131 nv = ha->nvram;
5132
5133 /* Determine NVRAM starting address. */
5134 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 5135 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 5136
5137 /* Get VPD data into cache */
5138 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 5139 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5140 ha->vpd_size);
3a03eb79
AV		 5141
5142 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 5143 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 5144 ha->nvram_size);
3d79038f 5145 dptr = (uint32_t *)nv;
3a03eb79
AV		 5146 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5147 chksum += le32_to_cpu(*dptr++);
5148
7640335e 5149 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 5150 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
5151
5152 /* Bad NVRAM data, set defaults parameters. */
5153 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5154 || nv->id[3] != ' ' ||
5155 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5156 /* Reset NVRAM data. */
5157 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
5158 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
5159 le16_to_cpu(nv->nvram_version));
5160 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
5161 "invalid -- WWPN) defaults.\n");
5162
5163 /*
5164 * Set default initialization control block.
5165 */
5166 memset(nv, 0, ha->nvram_size);
5167 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5168 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5169 nv->frame_payload_size = __constant_cpu_to_le16(2048);
5170 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5171 nv->exchange_count = __constant_cpu_to_le16(0);
5172 nv->port_name[0] = 0x21;
e5b68a61 5173 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 5174 nv->port_name[2] = 0x00;
5175 nv->port_name[3] = 0xe0;
5176 nv->port_name[4] = 0x8b;
5177 nv->port_name[5] = 0x1c;
5178 nv->port_name[6] = 0x55;
5179 nv->port_name[7] = 0x86;
5180 nv->node_name[0] = 0x20;
5181 nv->node_name[1] = 0x00;
5182 nv->node_name[2] = 0x00;
5183 nv->node_name[3] = 0xe0;
5184 nv->node_name[4] = 0x8b;
5185 nv->node_name[5] = 0x1c;
5186 nv->node_name[6] = 0x55;
5187 nv->node_name[7] = 0x86;
5188 nv->login_retry_count = __constant_cpu_to_le16(8);
5189 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5190 nv->login_timeout = __constant_cpu_to_le16(0);
5191 nv->firmware_options_1 =
5192 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5193 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5194 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5195 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5196 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5197 nv->efi_parameters = __constant_cpu_to_le32(0);
5198 nv->reset_delay = 5;
5199 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5200 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5201 nv->link_down_timeout = __constant_cpu_to_le16(30);
eeebcc92 5202 nv->enode_mac[0] = 0x00;
3a03eb79
AV		 5203 nv->enode_mac[1] = 0x02;
5204 nv->enode_mac[2] = 0x03;
5205 nv->enode_mac[3] = 0x04;
5206 nv->enode_mac[4] = 0x05;
e5b68a61 5207 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5208
5209 rval = 1;
5210 }
5211
5212 /* Reset Initialization control block */
5213 memset(icb, 0, sizeof(struct init_cb_81xx));
5214
5215 /* Copy 1st segment. */
5216 dptr1 = (uint8_t *)icb;
5217 dptr2 = (uint8_t *)&nv->version;
5218 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5219 while (cnt--)
5220 *dptr1++ = *dptr2++;
5221
5222 icb->login_retry_count = nv->login_retry_count;
5223
5224 /* Copy 2nd segment. */
5225 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5226 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5227 cnt = (uint8_t *)&icb->reserved_5 -
5228 (uint8_t *)&icb->interrupt_delay_timer;
5229 while (cnt--)
5230 *dptr1++ = *dptr2++;
5231
5232 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5233 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5234 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5235 icb->enode_mac[0] = 0x01;
5236 icb->enode_mac[1] = 0x02;
5237 icb->enode_mac[2] = 0x03;
5238 icb->enode_mac[3] = 0x04;
5239 icb->enode_mac[4] = 0x05;
e5b68a61 5240 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 5241 }
5242
b64b0e8f
AV		 5243 /* Use extended-initialization control block. */
5244 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
5245
3a03eb79
AV		 5246 /*
5247 * Setup driver NVRAM options.
5248 */
5249 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
a9083016 5250 "QLE8XXX");
3a03eb79
AV		 5251
5252 /* Use alternate WWN? */
5253 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5254 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5255 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5256 }
5257
5258 /* Prepare nodename */
5259 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5260 /*
5261 * Firmware will apply the following mask if the nodename was
5262 * not provided.
5263 */
5264 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5265 icb->node_name[0] &= 0xF0;
5266 }
5267
5268 /* Set host adapter parameters. */
5269 ha->flags.disable_risc_code_load = 0;
5270 ha->flags.enable_lip_reset = 0;
5271 ha->flags.enable_lip_full_login =
5272 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5273 ha->flags.enable_target_reset =
5274 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5275 ha->flags.enable_led_scheme = 0;
5276 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5277
5278 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5279 (BIT_6 | BIT_5 | BIT_4)) >> 4;
5280
5281 /* save HBA serial number */
5282 ha->serial0 = icb->port_name[5];
5283 ha->serial1 = icb->port_name[6];
5284 ha->serial2 = icb->port_name[7];
5285 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5286 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5287
5288 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5289
5290 ha->retry_count = le16_to_cpu(nv->login_retry_count);
5291
5292 /* Set minimum login_timeout to 4 seconds. */
5293 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5294 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5295 if (le16_to_cpu(nv->login_timeout) < 4)
5296 nv->login_timeout = __constant_cpu_to_le16(4);
5297 ha->login_timeout = le16_to_cpu(nv->login_timeout);
5298 icb->login_timeout = nv->login_timeout;
5299
5300 /* Set minimum RATOV to 100 tenths of a second. */
5301 ha->r_a_tov = 100;
5302
5303 ha->loop_reset_delay = nv->reset_delay;
5304
5305 /* Link Down Timeout = 0:
5306 *
5307 * When Port Down timer expires we will start returning
5308 * I/O's to OS with "DID_NO_CONNECT".
5309 *
5310 * Link Down Timeout != 0:
5311 *
5312 * The driver waits for the link to come up after link down
5313 * before returning I/Os to OS with "DID_NO_CONNECT".
5314 */
5315 if (le16_to_cpu(nv->link_down_timeout) == 0) {
5316 ha->loop_down_abort_time =
5317 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5318 } else {
5319 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5320 ha->loop_down_abort_time =
5321 (LOOP_DOWN_TIME - ha->link_down_timeout);
5322 }
5323
5324 /* Need enough time to try and get the port back. */
5325 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5326 if (qlport_down_retry)
5327 ha->port_down_retry_count = qlport_down_retry;
5328
5329 /* Set login_retry_count */
5330 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
5331 if (ha->port_down_retry_count ==
5332 le16_to_cpu(nv->port_down_retry_count) &&
5333 ha->port_down_retry_count > 3)
5334 ha->login_retry_count = ha->port_down_retry_count;
5335 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5336 ha->login_retry_count = ha->port_down_retry_count;
5337 if (ql2xloginretrycount)
5338 ha->login_retry_count = ql2xloginretrycount;
5339
5340 /* Enable ZIO. */
5341 if (!vha->flags.init_done) {
5342 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5343 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5344 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5345 le16_to_cpu(icb->interrupt_delay_timer): 2;
5346 }
5347 icb->firmware_options_2 &= __constant_cpu_to_le32(
5348 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5349 vha->flags.process_response_queue = 0;
5350 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5351 ha->zio_mode = QLA_ZIO_MODE_6;
5352
5353 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
5354 "(%d us).\n", vha->host_no, ha->zio_mode,
5355 ha->zio_timer * 100));
5356 qla_printk(KERN_INFO, ha,
5357 "ZIO mode %d enabled; timer delay (%d us).\n",
5358 ha->zio_mode, ha->zio_timer * 100);
5359
5360 icb->firmware_options_2 |= cpu_to_le32(
5361 (uint32_t)ha->zio_mode);
5362 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5363 vha->flags.process_response_queue = 1;
5364 }
5365
5366 if (rval) {
5367 DEBUG2_3(printk(KERN_WARNING
5368 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
5369 }
5370 return (rval);
5371}
5372
a9083016
GM		 5373int
5374qla82xx_restart_isp(scsi_qla_host_t *vha)
5375{
5376 int status, rval;
5377 uint32_t wait_time;
5378 struct qla_hw_data *ha = vha->hw;
5379 struct req_que *req = ha->req_q_map[0];
5380 struct rsp_que *rsp = ha->rsp_q_map[0];
5381 struct scsi_qla_host *vp;
feafb7b1 5382 unsigned long flags;
a9083016
GM		 5383
5384 status = qla2x00_init_rings(vha);
5385 if (!status) {
5386 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5387 ha->flags.chip_reset_done = 1;
5388
5389 status = qla2x00_fw_ready(vha);
5390 if (!status) {
5391 qla_printk(KERN_INFO, ha,
5392 "%s(): Start configure loop, "
5393 "status = %d\n", __func__, status);
5394
5395 /* Issue a marker after FW becomes ready. */
5396 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5397
5398 vha->flags.online = 1;
5399 /* Wait at most MAX_TARGET RSCNs for a stable link. */
5400 wait_time = 256;
5401 do {
5402 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5403 qla2x00_configure_loop(vha);
5404 wait_time--;
5405 } while (!atomic_read(&vha->loop_down_timer) &&
5406 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) &&
5407 wait_time &&
5408 (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)));
5409 }
5410
5411 /* if no cable then assume it's good */
5412 if ((vha->device_flags & DFLG_NO_CABLE))
5413 status = 0;
5414
5415 qla_printk(KERN_INFO, ha,
5416 "%s(): Configure loop done, status = 0x%x\n",
5417 __func__, status);
5418 }
5419
5420 if (!status) {
5421 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5422
5423 if (!atomic_read(&vha->loop_down_timer)) {
5424 /*
5425 * Issue marker command only when we are going
5426 * to start the I/O .
5427 */
5428 vha->marker_needed = 1;
5429 }
5430
5431 vha->flags.online = 1;
5432
5433 ha->isp_ops->enable_intrs(ha);
5434
5435 ha->isp_abort_cnt = 0;
5436 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5437
53296788
SK		 5438 /* Update the firmware version */
5439 qla2x00_get_fw_version(vha, &ha->fw_major_version,
5440 &ha->fw_minor_version, &ha->fw_subminor_version,
5441 &ha->fw_attributes, &ha->fw_memory_size,
5442 ha->mpi_version, &ha->mpi_capabilities,
5443 ha->phy_version);
5444
a9083016
GM		 5445 if (ha->fce) {
5446 ha->flags.fce_enabled = 1;
5447 memset(ha->fce, 0,
5448 fce_calc_size(ha->fce_bufs));
5449 rval = qla2x00_enable_fce_trace(vha,
5450 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
5451 &ha->fce_bufs);
5452 if (rval) {
5453 qla_printk(KERN_WARNING, ha,
5454 "Unable to reinitialize FCE "
5455 "(%d).\n", rval);
5456 ha->flags.fce_enabled = 0;
5457 }
5458 }
5459
5460 if (ha->eft) {
5461 memset(ha->eft, 0, EFT_SIZE);
5462 rval = qla2x00_enable_eft_trace(vha,
5463 ha->eft_dma, EFT_NUM_BUFFERS);
5464 if (rval) {
5465 qla_printk(KERN_WARNING, ha,
5466 "Unable to reinitialize EFT "
5467 "(%d).\n", rval);
5468 }
5469 }
a9083016
GM		 5470 }
5471
5472 if (!status) {
5473 DEBUG(printk(KERN_INFO
5474 "qla82xx_restart_isp(%ld): succeeded.\n",
5475 vha->host_no));
feafb7b1
AE		 5476
5477 spin_lock_irqsave(&ha->vport_slock, flags);
5478 list_for_each_entry(vp, &ha->vp_list, list) {
5479 if (vp->vp_idx) {
5480 atomic_inc(&vp->vref_count);
5481 spin_unlock_irqrestore(&ha->vport_slock, flags);
5482
a9083016 5483 qla2x00_vp_abort_isp(vp);
feafb7b1
AE		 5484
5485 spin_lock_irqsave(&ha->vport_slock, flags);
5486 atomic_dec(&vp->vref_count);
5487 }
a9083016 5488 }
feafb7b1
AE		 5489 spin_unlock_irqrestore(&ha->vport_slock, flags);
5490
a9083016
GM		 5491 } else {
5492 qla_printk(KERN_INFO, ha,
5493 "qla82xx_restart_isp: **** FAILED ****\n");
5494 }
5495
5496 return status;
5497}
5498
3a03eb79 5499void
ae97c91e 5500qla81xx_update_fw_options(scsi_qla_host_t *vha)
3a03eb79 5501{
ae97c91e
AV		 5502 struct qla_hw_data *ha = vha->hw;
5503
5504 if (!ql2xetsenable)
5505 return;
5506
5507 /* Enable ETS Burst. */
5508 memset(ha->fw_options, 0, sizeof(ha->fw_options));
5509 ha->fw_options[2] |= BIT_9;
5510 qla2x00_set_fw_options(vha, ha->fw_options);
3a03eb79 5511}
09ff701a
SR		 5512
5513/*
5514 * qla24xx_get_fcp_prio
5515 * Gets the fcp cmd priority value for the logged in port.
5516 * Looks for a match of the port descriptors within
5517 * each of the fcp prio config entries. If a match is found,
5518 * the tag (priority) value is returned.
5519 *
5520 * Input:
21090cbe 5521 * vha = scsi host structure pointer.
09ff701a
SR		 5522 * fcport = port structure pointer.
5523 *
5524 * Return:
6c452a45 5525 * non-zero (if found)
f28a0a96 5526 * -1 (if not found)
09ff701a
SR		 5527 *
5528 * Context:
5529 * Kernel context
5530 */
f28a0a96 5531static int
09ff701a
SR		 5532qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
5533{
5534 int i, entries;
5535 uint8_t pid_match, wwn_match;
f28a0a96 5536 int priority;
09ff701a
SR		 5537 uint32_t pid1, pid2;
5538 uint64_t wwn1, wwn2;
5539 struct qla_fcp_prio_entry *pri_entry;
5540 struct qla_hw_data *ha = vha->hw;
5541
5542 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
f28a0a96 5543 return -1;
09ff701a 5544
f28a0a96 5545 priority = -1;
09ff701a
SR		 5546 entries = ha->fcp_prio_cfg->num_entries;
5547 pri_entry = &ha->fcp_prio_cfg->entry[0];
5548
5549 for (i = 0; i < entries; i++) {
5550 pid_match = wwn_match = 0;
5551
5552 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
5553 pri_entry++;
5554 continue;
5555 }
5556
5557 /* check source pid for a match */
5558 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
5559 pid1 = pri_entry->src_pid & INVALID_PORT_ID;
5560 pid2 = vha->d_id.b24 & INVALID_PORT_ID;
5561 if (pid1 == INVALID_PORT_ID)
5562 pid_match++;
5563 else if (pid1 == pid2)
5564 pid_match++;
5565 }
5566
5567 /* check destination pid for a match */
5568 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
5569 pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
5570 pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
5571 if (pid1 == INVALID_PORT_ID)
5572 pid_match++;
5573 else if (pid1 == pid2)
5574 pid_match++;
5575 }
5576
5577 /* check source WWN for a match */
5578 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
5579 wwn1 = wwn_to_u64(vha->port_name);
5580 wwn2 = wwn_to_u64(pri_entry->src_wwpn);
5581 if (wwn2 == (uint64_t)-1)
5582 wwn_match++;
5583 else if (wwn1 == wwn2)
5584 wwn_match++;
5585 }
5586
5587 /* check destination WWN for a match */
5588 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
5589 wwn1 = wwn_to_u64(fcport->port_name);
5590 wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
5591 if (wwn2 == (uint64_t)-1)
5592 wwn_match++;
5593 else if (wwn1 == wwn2)
5594 wwn_match++;
5595 }
5596
5597 if (pid_match == 2 || wwn_match == 2) {
5598 /* Found a matching entry */
5599 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
5600 priority = pri_entry->tag;
5601 break;
5602 }
5603
5604 pri_entry++;
5605 }
5606
5607 return priority;
5608}
5609
5610/*
5611 * qla24xx_update_fcport_fcp_prio
5612 * Activates fcp priority for the logged in fc port
5613 *
5614 * Input:
21090cbe 5615 * vha = scsi host structure pointer.
09ff701a
SR		 5616 * fcp = port structure pointer.
5617 *
5618 * Return:
5619 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5620 *
5621 * Context:
5622 * Kernel context.
5623 */
5624int
21090cbe 5625qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
09ff701a
SR		 5626{
5627 int ret;
f28a0a96 5628 int priority;
09ff701a
SR		 5629 uint16_t mb[5];
5630
21090cbe
MI		 5631 if (fcport->port_type != FCT_TARGET ||
5632 fcport->loop_id == FC_NO_LOOP_ID)
09ff701a
SR		 5633 return QLA_FUNCTION_FAILED;
5634
21090cbe 5635 priority = qla24xx_get_fcp_prio(vha, fcport);
f28a0a96
AV		 5636 if (priority < 0)
5637 return QLA_FUNCTION_FAILED;
5638
21090cbe 5639 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
09ff701a
SR		 5640 if (ret == QLA_SUCCESS)
5641 fcport->fcp_prio = priority;
5642 else
5643 DEBUG2(printk(KERN_WARNING
5644 "scsi(%ld): Unable to activate fcp priority, "
21090cbe 5645 " ret=0x%x\n", vha->host_no, ret));
09ff701a
SR		 5646
5647 return ret;
5648}
5649
5650/*
5651 * qla24xx_update_all_fcp_prio
5652 * Activates fcp priority for all the logged in ports
5653 *
5654 * Input:
5655 * ha = adapter block pointer.
5656 *
5657 * Return:
5658 * QLA_SUCCESS or QLA_FUNCTION_FAILED
5659 *
5660 * Context:
5661 * Kernel context.
5662 */
5663int
5664qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
5665{
5666 int ret;
5667 fc_port_t *fcport;
5668
5669 ret = QLA_FUNCTION_FAILED;
5670 /* We need to set priority for all logged in ports */
5671 list_for_each_entry(fcport, &vha->vp_fcports, list)
5672 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
5673
5674 return ret;
5675}
Linux 6.x block layer and io_uring tree(s)