2
* Linux network driver for Brocade Converged Network Adapter.
4
* This program is free software; you can redistribute it and/or modify it
5
* under the terms of the GNU General Public License (GPL) Version 2 as
6
* published by the Free Software Foundation
8
* This program is distributed in the hope that it will be useful, but
9
* WITHOUT ANY WARRANTY; without even the implied warranty of
10
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11
* General Public License for more details.
14
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
24
* IOC local definitions
28
* Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
31
#define bfa_ioc_firmware_lock(__ioc) \
32
((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc))
33
#define bfa_ioc_firmware_unlock(__ioc) \
34
((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
35
#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
36
#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
37
#define bfa_ioc_notify_fail(__ioc) \
38
((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
39
#define bfa_ioc_sync_start(__ioc) \
40
((__ioc)->ioc_hwif->ioc_sync_start(__ioc))
41
#define bfa_ioc_sync_join(__ioc) \
42
((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
43
#define bfa_ioc_sync_leave(__ioc) \
44
((__ioc)->ioc_hwif->ioc_sync_leave(__ioc))
45
#define bfa_ioc_sync_ack(__ioc) \
46
((__ioc)->ioc_hwif->ioc_sync_ack(__ioc))
47
#define bfa_ioc_sync_complete(__ioc) \
48
((__ioc)->ioc_hwif->ioc_sync_complete(__ioc))
50
#define bfa_ioc_mbox_cmd_pending(__ioc) \
51
(!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \
52
readl((__ioc)->ioc_regs.hfn_mbox_cmd))
54
static bool bfa_nw_auto_recover = true;
57
* forward declarations
59
static void bfa_ioc_hw_sem_init(struct bfa_ioc *ioc);
60
static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc);
61
static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc);
62
static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force);
63
static void bfa_ioc_poll_fwinit(struct bfa_ioc *ioc);
64
static void bfa_ioc_send_enable(struct bfa_ioc *ioc);
65
static void bfa_ioc_send_disable(struct bfa_ioc *ioc);
66
static void bfa_ioc_send_getattr(struct bfa_ioc *ioc);
67
static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc);
68
static void bfa_ioc_hb_stop(struct bfa_ioc *ioc);
69
static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force);
70
static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc);
71
static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc);
72
static void bfa_ioc_recover(struct bfa_ioc *ioc);
73
static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc);
74
static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event);
75
static void bfa_ioc_disable_comp(struct bfa_ioc *ioc);
76
static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc);
77
static void bfa_ioc_fail_notify(struct bfa_ioc *ioc);
78
static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc);
79
static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc);
80
static void bfa_ioc_pf_failed(struct bfa_ioc *ioc);
81
static void bfa_ioc_pf_hwfailed(struct bfa_ioc *ioc);
82
static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc);
83
static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type,
85
static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr);
86
static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc,
88
static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc,
90
static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc,
92
static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc,
94
static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc,
96
static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model);
97
static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc);
100
* IOC state machine definitions/declarations
103
IOC_E_RESET = 1, /*!< IOC reset request */
104
IOC_E_ENABLE = 2, /*!< IOC enable request */
105
IOC_E_DISABLE = 3, /*!< IOC disable request */
106
IOC_E_DETACH = 4, /*!< driver detach cleanup */
107
IOC_E_ENABLED = 5, /*!< f/w enabled */
108
IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */
109
IOC_E_DISABLED = 7, /*!< f/w disabled */
110
IOC_E_PFFAILED = 8, /*!< failure notice by iocpf sm */
111
IOC_E_HBFAIL = 9, /*!< heartbeat failure */
112
IOC_E_HWERROR = 10, /*!< hardware error interrupt */
113
IOC_E_TIMEOUT = 11, /*!< timeout */
114
IOC_E_HWFAILED = 12, /*!< PCI mapping failure notice */
117
bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event);
118
bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event);
119
bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event);
120
bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event);
121
bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event);
122
bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event);
123
bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event);
124
bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event);
125
bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event);
126
bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc, enum ioc_event);
128
static struct bfa_sm_table ioc_sm_table[] = {
129
{BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
130
{BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
131
{BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
132
{BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
133
{BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
134
{BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
135
{BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
136
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
137
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
138
{BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL},
142
* Forward declareations for iocpf state machine
144
static void bfa_iocpf_enable(struct bfa_ioc *ioc);
145
static void bfa_iocpf_disable(struct bfa_ioc *ioc);
146
static void bfa_iocpf_fail(struct bfa_ioc *ioc);
147
static void bfa_iocpf_initfail(struct bfa_ioc *ioc);
148
static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc);
149
static void bfa_iocpf_stop(struct bfa_ioc *ioc);
152
* IOCPF state machine events
155
IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */
156
IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */
157
IOCPF_E_STOP = 3, /*!< stop on driver detach */
158
IOCPF_E_FWREADY = 4, /*!< f/w initialization done */
159
IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */
160
IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */
161
IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */
162
IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */
163
IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */
164
IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */
165
IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */
166
IOCPF_E_SEM_ERROR = 12, /*!< h/w sem mapping error */
172
enum bfa_iocpf_state {
173
BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */
174
BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */
175
BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */
176
BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */
177
BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */
178
BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */
179
BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */
180
BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */
181
BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */
184
bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event);
185
bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event);
186
bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event);
187
bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event);
188
bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event);
189
bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event);
190
bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event);
191
bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf,
193
bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event);
194
bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event);
195
bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event);
196
bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event);
197
bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf,
199
bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event);
201
static struct bfa_sm_table iocpf_sm_table[] = {
202
{BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET},
203
{BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH},
204
{BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH},
205
{BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT},
206
{BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT},
207
{BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT},
208
{BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY},
209
{BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL},
210
{BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL},
211
{BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL},
212
{BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL},
213
{BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING},
214
{BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING},
215
{BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED},
223
* Beginning state. IOC uninit state.
226
bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc)
231
* IOC is in uninit state.
234
bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event)
238
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
247
* Reset entry actions -- initialize state machine
250
bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc)
252
bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset);
256
* IOC is in reset state.
259
bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event)
263
bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
267
bfa_ioc_disable_comp(ioc);
271
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
280
bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc)
282
bfa_iocpf_enable(ioc);
286
* Host IOC function is being enabled, awaiting response from firmware.
287
* Semaphore is acquired.
290
bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event)
294
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
298
/* !!! fall through !!! */
300
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
301
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
302
if (event != IOC_E_PFFAILED)
303
bfa_iocpf_initfail(ioc);
307
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
308
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
312
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
316
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
329
* Semaphore should be acquired for version check.
332
bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc)
334
mod_timer(&ioc->ioc_timer, jiffies +
335
msecs_to_jiffies(BFA_IOC_TOV));
336
bfa_ioc_send_getattr(ioc);
340
* IOC configuration in progress. Timer is active.
343
bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event)
346
case IOC_E_FWRSP_GETATTR:
347
del_timer(&ioc->ioc_timer);
348
bfa_ioc_check_attr_wwns(ioc);
349
bfa_ioc_hb_monitor(ioc);
350
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
355
del_timer(&ioc->ioc_timer);
358
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
359
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
360
if (event != IOC_E_PFFAILED)
361
bfa_iocpf_getattrfail(ioc);
365
del_timer(&ioc->ioc_timer);
366
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
378
bfa_ioc_sm_op_entry(struct bfa_ioc *ioc)
380
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
381
bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED);
385
bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event)
392
bfa_ioc_hb_stop(ioc);
393
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
398
bfa_ioc_hb_stop(ioc);
399
/* !!! fall through !!! */
401
if (ioc->iocpf.auto_recover)
402
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
404
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
406
bfa_ioc_fail_notify(ioc);
408
if (event != IOC_E_PFFAILED)
418
bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc)
420
bfa_iocpf_disable(ioc);
424
* IOC is being disabled
427
bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event)
431
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
436
* No state change. Will move to disabled state
437
* after iocpf sm completes failure processing and
438
* moves to disabled state.
444
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
445
bfa_ioc_disable_comp(ioc);
454
* IOC disable completion entry.
457
bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc)
459
bfa_ioc_disable_comp(ioc);
463
bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event)
467
bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
471
ioc->cbfn->disable_cbfn(ioc->bfa);
475
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
485
bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc)
490
* Hardware initialization retry.
493
bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event)
497
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
503
* Initialization retry failed.
505
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
506
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
507
if (event != IOC_E_PFFAILED)
508
bfa_iocpf_initfail(ioc);
512
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
513
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
520
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
524
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
534
bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc)
542
bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event)
546
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
550
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
554
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
559
/* HB failure notification, ignore. */
568
bfa_ioc_sm_hwfail_entry(struct bfa_ioc *ioc)
576
bfa_ioc_sm_hwfail(struct bfa_ioc *ioc, enum ioc_event event)
581
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
585
ioc->cbfn->disable_cbfn(ioc->bfa);
589
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
598
* IOCPF State Machine
602
* Reset entry actions -- initialize state machine
605
bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf)
607
iocpf->fw_mismatch_notified = false;
608
iocpf->auto_recover = bfa_nw_auto_recover;
612
* Beginning state. IOC is in reset state.
615
bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event)
619
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
631
* Semaphore should be acquired for version check.
634
bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf)
636
bfa_ioc_hw_sem_init(iocpf->ioc);
637
bfa_ioc_hw_sem_get(iocpf->ioc);
641
* Awaiting h/w semaphore to continue with version check.
644
bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event)
646
struct bfa_ioc *ioc = iocpf->ioc;
649
case IOCPF_E_SEMLOCKED:
650
if (bfa_ioc_firmware_lock(ioc)) {
651
if (bfa_ioc_sync_start(ioc)) {
652
bfa_ioc_sync_join(ioc);
653
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
655
bfa_ioc_firmware_unlock(ioc);
656
bfa_nw_ioc_hw_sem_release(ioc);
657
mod_timer(&ioc->sem_timer, jiffies +
658
msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
661
bfa_nw_ioc_hw_sem_release(ioc);
662
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch);
666
case IOCPF_E_SEM_ERROR:
667
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
668
bfa_ioc_pf_hwfailed(ioc);
671
case IOCPF_E_DISABLE:
672
bfa_ioc_hw_sem_get_cancel(ioc);
673
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
674
bfa_ioc_pf_disabled(ioc);
678
bfa_ioc_hw_sem_get_cancel(ioc);
679
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
688
* Notify enable completion callback
691
bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf)
693
/* Call only the first time sm enters fwmismatch state. */
694
if (iocpf->fw_mismatch_notified == false)
695
bfa_ioc_pf_fwmismatch(iocpf->ioc);
697
iocpf->fw_mismatch_notified = true;
698
mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
699
msecs_to_jiffies(BFA_IOC_TOV));
703
* Awaiting firmware version match.
706
bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event)
708
struct bfa_ioc *ioc = iocpf->ioc;
711
case IOCPF_E_TIMEOUT:
712
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
715
case IOCPF_E_DISABLE:
716
del_timer(&ioc->iocpf_timer);
717
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
718
bfa_ioc_pf_disabled(ioc);
722
del_timer(&ioc->iocpf_timer);
723
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
732
* Request for semaphore.
735
bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf)
737
bfa_ioc_hw_sem_get(iocpf->ioc);
741
* Awaiting semaphore for h/w initialzation.
744
bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event)
746
struct bfa_ioc *ioc = iocpf->ioc;
749
case IOCPF_E_SEMLOCKED:
750
if (bfa_ioc_sync_complete(ioc)) {
751
bfa_ioc_sync_join(ioc);
752
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
754
bfa_nw_ioc_hw_sem_release(ioc);
755
mod_timer(&ioc->sem_timer, jiffies +
756
msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
760
case IOCPF_E_SEM_ERROR:
761
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
762
bfa_ioc_pf_hwfailed(ioc);
765
case IOCPF_E_DISABLE:
766
bfa_ioc_hw_sem_get_cancel(ioc);
767
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
776
bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf)
778
iocpf->poll_time = 0;
779
bfa_ioc_reset(iocpf->ioc, false);
783
* Hardware is being initialized. Interrupts are enabled.
784
* Holding hardware semaphore lock.
787
bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event)
789
struct bfa_ioc *ioc = iocpf->ioc;
792
case IOCPF_E_FWREADY:
793
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling);
796
case IOCPF_E_TIMEOUT:
797
bfa_nw_ioc_hw_sem_release(ioc);
798
bfa_ioc_pf_failed(ioc);
799
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
802
case IOCPF_E_DISABLE:
803
del_timer(&ioc->iocpf_timer);
804
bfa_ioc_sync_leave(ioc);
805
bfa_nw_ioc_hw_sem_release(ioc);
806
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
815
bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf)
817
mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
818
msecs_to_jiffies(BFA_IOC_TOV));
820
* Enable Interrupts before sending fw IOC ENABLE cmd.
822
iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa);
823
bfa_ioc_send_enable(iocpf->ioc);
827
* Host IOC function is being enabled, awaiting response from firmware.
828
* Semaphore is acquired.
831
bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
833
struct bfa_ioc *ioc = iocpf->ioc;
836
case IOCPF_E_FWRSP_ENABLE:
837
del_timer(&ioc->iocpf_timer);
838
bfa_nw_ioc_hw_sem_release(ioc);
839
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready);
842
case IOCPF_E_INITFAIL:
843
del_timer(&ioc->iocpf_timer);
845
* !!! fall through !!!
847
case IOCPF_E_TIMEOUT:
848
bfa_nw_ioc_hw_sem_release(ioc);
849
if (event == IOCPF_E_TIMEOUT)
850
bfa_ioc_pf_failed(ioc);
851
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
854
case IOCPF_E_DISABLE:
855
del_timer(&ioc->iocpf_timer);
856
bfa_nw_ioc_hw_sem_release(ioc);
857
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
866
bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf)
868
bfa_ioc_pf_enabled(iocpf->ioc);
872
bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event)
875
case IOCPF_E_DISABLE:
876
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
879
case IOCPF_E_GETATTRFAIL:
880
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
884
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
893
bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf)
895
mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
896
msecs_to_jiffies(BFA_IOC_TOV));
897
bfa_ioc_send_disable(iocpf->ioc);
901
* IOC is being disabled
904
bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
906
struct bfa_ioc *ioc = iocpf->ioc;
909
case IOCPF_E_FWRSP_DISABLE:
910
del_timer(&ioc->iocpf_timer);
911
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
915
del_timer(&ioc->iocpf_timer);
917
* !!! fall through !!!
920
case IOCPF_E_TIMEOUT:
921
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
922
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
925
case IOCPF_E_FWRSP_ENABLE:
934
bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf)
936
bfa_ioc_hw_sem_get(iocpf->ioc);
940
* IOC hb ack request is being removed.
943
bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
945
struct bfa_ioc *ioc = iocpf->ioc;
948
case IOCPF_E_SEMLOCKED:
949
bfa_ioc_sync_leave(ioc);
950
bfa_nw_ioc_hw_sem_release(ioc);
951
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
954
case IOCPF_E_SEM_ERROR:
955
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
956
bfa_ioc_pf_hwfailed(ioc);
968
* IOC disable completion entry.
971
bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf)
973
bfa_ioc_mbox_flush(iocpf->ioc);
974
bfa_ioc_pf_disabled(iocpf->ioc);
978
bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event)
980
struct bfa_ioc *ioc = iocpf->ioc;
984
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
988
bfa_ioc_firmware_unlock(ioc);
989
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
998
bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf)
1000
bfa_ioc_hw_sem_get(iocpf->ioc);
1004
* Hardware initialization failed.
1007
bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
1009
struct bfa_ioc *ioc = iocpf->ioc;
1012
case IOCPF_E_SEMLOCKED:
1013
bfa_ioc_notify_fail(ioc);
1014
bfa_ioc_sync_leave(ioc);
1015
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
1016
bfa_nw_ioc_hw_sem_release(ioc);
1017
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
1020
case IOCPF_E_SEM_ERROR:
1021
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1022
bfa_ioc_pf_hwfailed(ioc);
1025
case IOCPF_E_DISABLE:
1026
bfa_ioc_hw_sem_get_cancel(ioc);
1027
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1031
bfa_ioc_hw_sem_get_cancel(ioc);
1032
bfa_ioc_firmware_unlock(ioc);
1033
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1040
bfa_sm_fault(event);
1045
bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf)
1050
* Hardware initialization failed.
1053
bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event)
1055
struct bfa_ioc *ioc = iocpf->ioc;
1058
case IOCPF_E_DISABLE:
1059
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1063
bfa_ioc_firmware_unlock(ioc);
1064
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1068
bfa_sm_fault(event);
1073
bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf)
1076
* Mark IOC as failed in hardware and stop firmware.
1078
bfa_ioc_lpu_stop(iocpf->ioc);
1081
* Flush any queued up mailbox requests.
1083
bfa_ioc_mbox_flush(iocpf->ioc);
1084
bfa_ioc_hw_sem_get(iocpf->ioc);
1088
* IOC is in failed state.
1091
bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
1093
struct bfa_ioc *ioc = iocpf->ioc;
1096
case IOCPF_E_SEMLOCKED:
1097
bfa_ioc_sync_ack(ioc);
1098
bfa_ioc_notify_fail(ioc);
1099
if (!iocpf->auto_recover) {
1100
bfa_ioc_sync_leave(ioc);
1101
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
1102
bfa_nw_ioc_hw_sem_release(ioc);
1103
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1105
if (bfa_ioc_sync_complete(ioc))
1106
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
1108
bfa_nw_ioc_hw_sem_release(ioc);
1109
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
1114
case IOCPF_E_SEM_ERROR:
1115
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1116
bfa_ioc_pf_hwfailed(ioc);
1119
case IOCPF_E_DISABLE:
1120
bfa_ioc_hw_sem_get_cancel(ioc);
1121
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1128
bfa_sm_fault(event);
1133
bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf)
1139
* IOC is in failed state.
1142
bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event)
1145
case IOCPF_E_DISABLE:
1146
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1150
bfa_sm_fault(event);
1155
* BFA IOC private functions
1159
* Notify common modules registered for notification.
1162
bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event)
1164
struct bfa_ioc_notify *notify;
1165
struct list_head *qe;
1167
list_for_each(qe, &ioc->notify_q) {
1168
notify = (struct bfa_ioc_notify *)qe;
1169
notify->cbfn(notify->cbarg, event);
1174
bfa_ioc_disable_comp(struct bfa_ioc *ioc)
1176
ioc->cbfn->disable_cbfn(ioc->bfa);
1177
bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED);
1181
bfa_nw_ioc_sem_get(void __iomem *sem_reg)
1185
#define BFA_SEM_SPINCNT 3000
1187
r32 = readl(sem_reg);
1189
while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) {
1192
r32 = readl(sem_reg);
1202
bfa_nw_ioc_sem_release(void __iomem *sem_reg)
1209
bfa_ioc_hw_sem_init(struct bfa_ioc *ioc)
1211
struct bfi_ioc_image_hdr fwhdr;
1212
u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate);
1214
if (fwstate == BFI_IOC_UNINIT)
1217
bfa_nw_ioc_fwver_get(ioc, &fwhdr);
1219
if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL)
1222
writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
1225
* Try to lock and then unlock the semaphore.
1227
readl(ioc->ioc_regs.ioc_sem_reg);
1228
writel(1, ioc->ioc_regs.ioc_sem_reg);
1232
bfa_ioc_hw_sem_get(struct bfa_ioc *ioc)
1237
* First read to the semaphore register will return 0, subsequent reads
1238
* will return 1. Semaphore is released by writing 1 to the register
1240
r32 = readl(ioc->ioc_regs.ioc_sem_reg);
1242
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR);
1246
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
1250
mod_timer(&ioc->sem_timer, jiffies +
1251
msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
1255
bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc)
1257
writel(1, ioc->ioc_regs.ioc_sem_reg);
1261
bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc)
1263
del_timer(&ioc->sem_timer);
1268
* Initialize LPU local memory (aka secondary memory / SRAM)
1271
bfa_ioc_lmem_init(struct bfa_ioc *ioc)
1275
#define PSS_LMEM_INIT_TIME 10000
1277
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1278
pss_ctl &= ~__PSS_LMEM_RESET;
1279
pss_ctl |= __PSS_LMEM_INIT_EN;
1282
* i2c workaround 12.5khz clock
1284
pss_ctl |= __PSS_I2C_CLK_DIV(3UL);
1285
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1288
* wait for memory initialization to be complete
1292
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1294
} while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME));
1297
* If memory initialization is not successful, IOC timeout will catch
1300
BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE));
1302
pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN);
1303
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1307
bfa_ioc_lpu_start(struct bfa_ioc *ioc)
1312
* Take processor out of reset.
1314
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1315
pss_ctl &= ~__PSS_LPU0_RESET;
1317
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1321
bfa_ioc_lpu_stop(struct bfa_ioc *ioc)
1326
* Put processors in reset.
1328
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1329
pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
1331
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1335
* Get driver and firmware versions.
1338
bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr)
1343
u32 *fwsig = (u32 *) fwhdr;
1345
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
1346
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1348
for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32));
1351
swab32(readl((loff) + (ioc->ioc_regs.smem_page_start)));
1352
loff += sizeof(u32);
1357
* Returns TRUE if same.
1360
bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr)
1362
struct bfi_ioc_image_hdr *drv_fwhdr;
1365
drv_fwhdr = (struct bfi_ioc_image_hdr *)
1366
bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
1368
for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) {
1369
if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i])
1377
* Return true if current running version is valid. Firmware signature and
1378
* execution context (driver/bios) must match.
1381
bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env)
1383
struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr;
1385
bfa_nw_ioc_fwver_get(ioc, &fwhdr);
1386
drv_fwhdr = (struct bfi_ioc_image_hdr *)
1387
bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
1389
if (fwhdr.signature != drv_fwhdr->signature)
1392
if (swab32(fwhdr.bootenv) != boot_env)
1395
return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr);
1399
* Conditionally flush any pending message from firmware at start.
1402
bfa_ioc_msgflush(struct bfa_ioc *ioc)
1406
r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
1408
writel(1, ioc->ioc_regs.lpu_mbox_cmd);
1412
* @img ioc_init_logic.jpg
1415
bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
1417
enum bfi_ioc_state ioc_fwstate;
1421
ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
1424
ioc_fwstate = BFI_IOC_UNINIT;
1426
boot_env = BFI_FWBOOT_ENV_OS;
1429
* check if firmware is valid
1431
fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
1432
false : bfa_ioc_fwver_valid(ioc, boot_env);
1435
bfa_ioc_boot(ioc, BFI_FWBOOT_TYPE_NORMAL, boot_env);
1436
bfa_ioc_poll_fwinit(ioc);
1441
* If hardware initialization is in progress (initialized by other IOC),
1442
* just wait for an initialization completion interrupt.
1444
if (ioc_fwstate == BFI_IOC_INITING) {
1445
bfa_ioc_poll_fwinit(ioc);
1450
* If IOC function is disabled and firmware version is same,
1451
* just re-enable IOC.
1453
if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) {
1455
* When using MSI-X any pending firmware ready event should
1456
* be flushed. Otherwise MSI-X interrupts are not delivered.
1458
bfa_ioc_msgflush(ioc);
1459
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
1464
* Initialize the h/w for any other states.
1466
bfa_ioc_boot(ioc, BFI_FWBOOT_TYPE_NORMAL, boot_env);
1467
bfa_ioc_poll_fwinit(ioc);
1471
bfa_nw_ioc_timeout(void *ioc_arg)
1473
struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
1475
bfa_fsm_send_event(ioc, IOC_E_TIMEOUT);
1479
bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len)
1481
u32 *msgp = (u32 *) ioc_msg;
1484
BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX));
1487
* first write msg to mailbox registers
1489
for (i = 0; i < len / sizeof(u32); i++)
1490
writel(cpu_to_le32(msgp[i]),
1491
ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1493
for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++)
1494
writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1497
* write 1 to mailbox CMD to trigger LPU event
1499
writel(1, ioc->ioc_regs.hfn_mbox_cmd);
1500
(void) readl(ioc->ioc_regs.hfn_mbox_cmd);
1504
bfa_ioc_send_enable(struct bfa_ioc *ioc)
1506
struct bfi_ioc_ctrl_req enable_req;
1509
bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ,
1510
bfa_ioc_portid(ioc));
1511
enable_req.clscode = htons(ioc->clscode);
1512
do_gettimeofday(&tv);
1513
enable_req.tv_sec = ntohl(tv.tv_sec);
1514
bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req));
1518
bfa_ioc_send_disable(struct bfa_ioc *ioc)
1520
struct bfi_ioc_ctrl_req disable_req;
1522
bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ,
1523
bfa_ioc_portid(ioc));
1524
bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req));
1528
bfa_ioc_send_getattr(struct bfa_ioc *ioc)
1530
struct bfi_ioc_getattr_req attr_req;
1532
bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ,
1533
bfa_ioc_portid(ioc));
1534
bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa);
1535
bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req));
1539
bfa_nw_ioc_hb_check(void *cbarg)
1541
struct bfa_ioc *ioc = cbarg;
1544
hb_count = readl(ioc->ioc_regs.heartbeat);
1545
if (ioc->hb_count == hb_count) {
1546
bfa_ioc_recover(ioc);
1549
ioc->hb_count = hb_count;
1552
bfa_ioc_mbox_poll(ioc);
1553
mod_timer(&ioc->hb_timer, jiffies +
1554
msecs_to_jiffies(BFA_IOC_HB_TOV));
1558
bfa_ioc_hb_monitor(struct bfa_ioc *ioc)
1560
ioc->hb_count = readl(ioc->ioc_regs.heartbeat);
1561
mod_timer(&ioc->hb_timer, jiffies +
1562
msecs_to_jiffies(BFA_IOC_HB_TOV));
1566
bfa_ioc_hb_stop(struct bfa_ioc *ioc)
1568
del_timer(&ioc->hb_timer);
1573
* Initiate a full firmware download.
1576
bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type,
1587
* Initialize LMEM first before code download
1589
bfa_ioc_lmem_init(ioc);
1591
fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), chunkno);
1593
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
1595
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1597
for (i = 0; i < bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); i++) {
1598
if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) {
1599
chunkno = BFA_IOC_FLASH_CHUNK_NO(i);
1600
fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc),
1601
BFA_IOC_FLASH_CHUNK_ADDR(chunkno));
1607
writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])),
1608
((ioc->ioc_regs.smem_page_start) + (loff)));
1610
loff += sizeof(u32);
1613
* handle page offset wrap around
1615
loff = PSS_SMEM_PGOFF(loff);
1619
ioc->ioc_regs.host_page_num_fn);
1623
writel(bfa_ioc_smem_pgnum(ioc, 0),
1624
ioc->ioc_regs.host_page_num_fn);
1627
* Set boot type, env and device mode at the end.
1629
asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode,
1630
ioc->port0_mode, ioc->port1_mode);
1631
writel(asicmode, ((ioc->ioc_regs.smem_page_start)
1632
+ BFI_FWBOOT_DEVMODE_OFF));
1633
writel(boot_type, ((ioc->ioc_regs.smem_page_start)
1634
+ (BFI_FWBOOT_TYPE_OFF)));
1635
writel(boot_env, ((ioc->ioc_regs.smem_page_start)
1636
+ (BFI_FWBOOT_ENV_OFF)));
1640
bfa_ioc_reset(struct bfa_ioc *ioc, bool force)
1642
bfa_ioc_hwinit(ioc, force);
1646
* BFA ioc enable reply by firmware
1649
bfa_ioc_enable_reply(struct bfa_ioc *ioc, enum bfa_mode port_mode,
1652
struct bfa_iocpf *iocpf = &ioc->iocpf;
1654
ioc->port_mode = ioc->port_mode_cfg = port_mode;
1655
ioc->ad_cap_bm = cap_bm;
1656
bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE);
1661
* Update BFA configuration from firmware configuration.
1664
bfa_ioc_getattr_reply(struct bfa_ioc *ioc)
1666
struct bfi_ioc_attr *attr = ioc->attr;
1668
attr->adapter_prop = ntohl(attr->adapter_prop);
1669
attr->card_type = ntohl(attr->card_type);
1670
attr->maxfrsize = ntohs(attr->maxfrsize);
1672
bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
1676
* Attach time initialization of mbox logic.
1679
bfa_ioc_mbox_attach(struct bfa_ioc *ioc)
1681
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1684
INIT_LIST_HEAD(&mod->cmd_q);
1685
for (mc = 0; mc < BFI_MC_MAX; mc++) {
1686
mod->mbhdlr[mc].cbfn = NULL;
1687
mod->mbhdlr[mc].cbarg = ioc->bfa;
1692
* Mbox poll timer -- restarts any pending mailbox requests.
1695
bfa_ioc_mbox_poll(struct bfa_ioc *ioc)
1697
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1698
struct bfa_mbox_cmd *cmd;
1699
bfa_mbox_cmd_cbfn_t cbfn;
1704
* If no command pending, do nothing
1706
if (list_empty(&mod->cmd_q))
1710
* If previous command is not yet fetched by firmware, do nothing
1712
stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
1717
* Enqueue command to firmware.
1719
bfa_q_deq(&mod->cmd_q, &cmd);
1720
bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
1723
* Give a callback to the client, indicating that the command is sent
1734
* Cleanup any pending requests.
1737
bfa_ioc_mbox_flush(struct bfa_ioc *ioc)
1739
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
1740
struct bfa_mbox_cmd *cmd;
1742
while (!list_empty(&mod->cmd_q))
1743
bfa_q_deq(&mod->cmd_q, &cmd);
1747
bfa_ioc_fail_notify(struct bfa_ioc *ioc)
1750
* Notify driver and common modules registered for notification.
1752
ioc->cbfn->hbfail_cbfn(ioc->bfa);
1753
bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED);
1757
* IOCPF to IOC interface
1760
bfa_ioc_pf_enabled(struct bfa_ioc *ioc)
1762
bfa_fsm_send_event(ioc, IOC_E_ENABLED);
1766
bfa_ioc_pf_disabled(struct bfa_ioc *ioc)
1768
bfa_fsm_send_event(ioc, IOC_E_DISABLED);
1772
bfa_ioc_pf_failed(struct bfa_ioc *ioc)
1774
bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
1778
bfa_ioc_pf_hwfailed(struct bfa_ioc *ioc)
1780
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
1784
bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc)
1787
* Provide enable completion callback and AEN notification.
1789
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
1795
static enum bfa_status
1796
bfa_ioc_pll_init(struct bfa_ioc *ioc)
1799
* Hold semaphore so that nobody can access the chip during init.
1801
bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
1803
bfa_ioc_pll_init_asic(ioc);
1805
ioc->pllinit = true;
1807
* release semaphore.
1809
bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg);
1811
return BFA_STATUS_OK;
1815
* Interface used by diag module to do firmware boot with memory test
1816
* as the entry vector.
1819
bfa_ioc_boot(struct bfa_ioc *ioc, enum bfi_fwboot_type boot_type,
1822
bfa_ioc_stats(ioc, ioc_boots);
1824
if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK)
1828
* Initialize IOC state of all functions on a chip reset.
1830
if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) {
1831
writel(BFI_IOC_MEMTEST, ioc->ioc_regs.ioc_fwstate);
1832
writel(BFI_IOC_MEMTEST, ioc->ioc_regs.alt_ioc_fwstate);
1834
writel(BFI_IOC_INITING, ioc->ioc_regs.ioc_fwstate);
1835
writel(BFI_IOC_INITING, ioc->ioc_regs.alt_ioc_fwstate);
1838
bfa_ioc_msgflush(ioc);
1839
bfa_ioc_download_fw(ioc, boot_type, boot_env);
1840
bfa_ioc_lpu_start(ioc);
1844
* Enable/disable IOC failure auto recovery.
1847
bfa_nw_ioc_auto_recover(bool auto_recover)
1849
bfa_nw_auto_recover = auto_recover;
1853
bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg)
1859
r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
1866
for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32));
1868
r32 = readl(ioc->ioc_regs.lpu_mbox +
1870
msgp[i] = htonl(r32);
1874
* turn off mailbox interrupt by clearing mailbox status
1876
writel(1, ioc->ioc_regs.lpu_mbox_cmd);
1877
readl(ioc->ioc_regs.lpu_mbox_cmd);
1883
bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m)
1885
union bfi_ioc_i2h_msg_u *msg;
1886
struct bfa_iocpf *iocpf = &ioc->iocpf;
1888
msg = (union bfi_ioc_i2h_msg_u *) m;
1890
bfa_ioc_stats(ioc, ioc_isrs);
1892
switch (msg->mh.msg_id) {
1893
case BFI_IOC_I2H_HBEAT:
1896
case BFI_IOC_I2H_ENABLE_REPLY:
1897
bfa_ioc_enable_reply(ioc,
1898
(enum bfa_mode)msg->fw_event.port_mode,
1899
msg->fw_event.cap_bm);
1902
case BFI_IOC_I2H_DISABLE_REPLY:
1903
bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE);
1906
case BFI_IOC_I2H_GETATTR_REPLY:
1907
bfa_ioc_getattr_reply(ioc);
1916
* IOC attach time initialization and setup.
1918
* @param[in] ioc memory for IOC
1919
* @param[in] bfa driver instance structure
1922
bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn)
1926
ioc->fcmode = false;
1927
ioc->pllinit = false;
1928
ioc->dbg_fwsave_once = true;
1929
ioc->iocpf.ioc = ioc;
1931
bfa_ioc_mbox_attach(ioc);
1932
INIT_LIST_HEAD(&ioc->notify_q);
1934
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
1935
bfa_fsm_send_event(ioc, IOC_E_RESET);
1939
* Driver detach time IOC cleanup.
1942
bfa_nw_ioc_detach(struct bfa_ioc *ioc)
1944
bfa_fsm_send_event(ioc, IOC_E_DETACH);
1946
/* Done with detach, empty the notify_q. */
1947
INIT_LIST_HEAD(&ioc->notify_q);
1951
* Setup IOC PCI properties.
1953
* @param[in] pcidev PCI device information for this IOC
1956
bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
1957
enum bfi_pcifn_class clscode)
1959
ioc->clscode = clscode;
1960
ioc->pcidev = *pcidev;
1963
* Initialize IOC and device personality
1965
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC;
1966
ioc->asic_mode = BFI_ASIC_MODE_FC;
1968
switch (pcidev->device_id) {
1969
case PCI_DEVICE_ID_BROCADE_CT:
1970
ioc->asic_gen = BFI_ASIC_GEN_CT;
1971
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
1972
ioc->asic_mode = BFI_ASIC_MODE_ETH;
1973
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA;
1974
ioc->ad_cap_bm = BFA_CM_CNA;
1977
case BFA_PCI_DEVICE_ID_CT2:
1978
ioc->asic_gen = BFI_ASIC_GEN_CT2;
1979
if (clscode == BFI_PCIFN_CLASS_FC &&
1980
pcidev->ssid == BFA_PCI_CT2_SSID_FC) {
1981
ioc->asic_mode = BFI_ASIC_MODE_FC16;
1983
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
1984
ioc->ad_cap_bm = BFA_CM_HBA;
1986
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
1987
ioc->asic_mode = BFI_ASIC_MODE_ETH;
1988
if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) {
1990
ioc->port_mode_cfg = BFA_MODE_CNA;
1991
ioc->ad_cap_bm = BFA_CM_CNA;
1994
ioc->port_mode_cfg = BFA_MODE_NIC;
1995
ioc->ad_cap_bm = BFA_CM_NIC;
2005
* Set asic specific interfaces.
2007
if (ioc->asic_gen == BFI_ASIC_GEN_CT)
2008
bfa_nw_ioc_set_ct_hwif(ioc);
2010
WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2);
2011
bfa_nw_ioc_set_ct2_hwif(ioc);
2012
bfa_nw_ioc_ct2_poweron(ioc);
2015
bfa_ioc_map_port(ioc);
2016
bfa_ioc_reg_init(ioc);
2020
* Initialize IOC dma memory
2022
* @param[in] dm_kva kernel virtual address of IOC dma memory
2023
* @param[in] dm_pa physical address of IOC dma memory
2026
bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa)
2029
* dma memory for firmware attribute
2031
ioc->attr_dma.kva = dm_kva;
2032
ioc->attr_dma.pa = dm_pa;
2033
ioc->attr = (struct bfi_ioc_attr *) dm_kva;
2037
* Return size of dma memory required.
2040
bfa_nw_ioc_meminfo(void)
2042
return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ);
2046
bfa_nw_ioc_enable(struct bfa_ioc *ioc)
2048
bfa_ioc_stats(ioc, ioc_enables);
2049
ioc->dbg_fwsave_once = true;
2051
bfa_fsm_send_event(ioc, IOC_E_ENABLE);
2055
bfa_nw_ioc_disable(struct bfa_ioc *ioc)
2057
bfa_ioc_stats(ioc, ioc_disables);
2058
bfa_fsm_send_event(ioc, IOC_E_DISABLE);
2062
bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr)
2064
return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr);
2068
* Register mailbox message handler function, to be called by common modules
2071
bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
2072
bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg)
2074
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
2076
mod->mbhdlr[mc].cbfn = cbfn;
2077
mod->mbhdlr[mc].cbarg = cbarg;
2081
* Queue a mailbox command request to firmware. Waits if mailbox is busy.
2082
* Responsibility of caller to serialize
2084
* @param[in] ioc IOC instance
2085
* @param[i] cmd Mailbox command
2088
bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd,
2089
bfa_mbox_cmd_cbfn_t cbfn, void *cbarg)
2091
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
2098
* If a previous command is pending, queue new command
2100
if (!list_empty(&mod->cmd_q)) {
2101
list_add_tail(&cmd->qe, &mod->cmd_q);
2106
* If mailbox is busy, queue command for poll timer
2108
stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
2110
list_add_tail(&cmd->qe, &mod->cmd_q);
2115
* mailbox is free -- queue command to firmware
2117
bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
2123
* Handle mailbox interrupts
2126
bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc)
2128
struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod;
2132
if (bfa_ioc_msgget(ioc, &m)) {
2134
* Treat IOC message class as special.
2136
mc = m.mh.msg_class;
2137
if (mc == BFI_MC_IOC) {
2138
bfa_ioc_isr(ioc, &m);
2142
if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
2145
mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);
2148
bfa_ioc_lpu_read_stat(ioc);
2151
* Try to send pending mailbox commands
2153
bfa_ioc_mbox_poll(ioc);
2157
bfa_nw_ioc_error_isr(struct bfa_ioc *ioc)
2159
bfa_ioc_stats(ioc, ioc_hbfails);
2160
bfa_ioc_stats_hb_count(ioc, ioc->hb_count);
2161
bfa_fsm_send_event(ioc, IOC_E_HWERROR);
2165
* return true if IOC is disabled
2168
bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc)
2170
return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) ||
2171
bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled);
2175
* Add to IOC heartbeat failure notification queue. To be used by common
2176
* modules such as cee, port, diag.
2179
bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
2180
struct bfa_ioc_notify *notify)
2182
list_add_tail(¬ify->qe, &ioc->notify_q);
2185
#define BFA_MFG_NAME "Brocade"
2187
bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc,
2188
struct bfa_adapter_attr *ad_attr)
2190
struct bfi_ioc_attr *ioc_attr;
2192
ioc_attr = ioc->attr;
2194
bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num);
2195
bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver);
2196
bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver);
2197
bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer);
2198
memcpy(&ad_attr->vpd, &ioc_attr->vpd,
2199
sizeof(struct bfa_mfg_vpd));
2201
ad_attr->nports = bfa_ioc_get_nports(ioc);
2202
ad_attr->max_speed = bfa_ioc_speed_sup(ioc);
2204
bfa_ioc_get_adapter_model(ioc, ad_attr->model);
2205
/* For now, model descr uses same model string */
2206
bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr);
2208
ad_attr->card_type = ioc_attr->card_type;
2209
ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type);
2211
if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
2212
ad_attr->prototype = 1;
2214
ad_attr->prototype = 0;
2216
ad_attr->pwwn = bfa_ioc_get_pwwn(ioc);
2217
ad_attr->mac = bfa_nw_ioc_get_mac(ioc);
2219
ad_attr->pcie_gen = ioc_attr->pcie_gen;
2220
ad_attr->pcie_lanes = ioc_attr->pcie_lanes;
2221
ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig;
2222
ad_attr->asic_rev = ioc_attr->asic_rev;
2224
bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
2227
static enum bfa_ioc_type
2228
bfa_ioc_get_type(struct bfa_ioc *ioc)
2230
if (ioc->clscode == BFI_PCIFN_CLASS_ETH)
2231
return BFA_IOC_TYPE_LL;
2233
BUG_ON(!(ioc->clscode == BFI_PCIFN_CLASS_FC));
2235
return (ioc->attr->port_mode == BFI_PORT_MODE_FC)
2236
? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE;
2240
bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num)
2242
memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN);
2244
(void *)ioc->attr->brcd_serialnum,
2245
BFA_ADAPTER_SERIAL_NUM_LEN);
2249
bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver)
2251
memset(fw_ver, 0, BFA_VERSION_LEN);
2252
memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN);
2256
bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev)
2258
BUG_ON(!(chip_rev));
2260
memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN);
2266
chip_rev[4] = ioc->attr->asic_rev;
2271
bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver)
2273
memset(optrom_ver, 0, BFA_VERSION_LEN);
2274
memcpy(optrom_ver, ioc->attr->optrom_version,
2279
bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer)
2281
memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
2282
memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
2286
bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model)
2288
struct bfi_ioc_attr *ioc_attr;
2291
memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN);
2293
ioc_attr = ioc->attr;
2295
snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u",
2296
BFA_MFG_NAME, ioc_attr->card_type);
2299
static enum bfa_ioc_state
2300
bfa_ioc_get_state(struct bfa_ioc *ioc)
2302
enum bfa_iocpf_state iocpf_st;
2303
enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
2305
if (ioc_st == BFA_IOC_ENABLING ||
2306
ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) {
2308
iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
2311
case BFA_IOCPF_SEMWAIT:
2312
ioc_st = BFA_IOC_SEMWAIT;
2315
case BFA_IOCPF_HWINIT:
2316
ioc_st = BFA_IOC_HWINIT;
2319
case BFA_IOCPF_FWMISMATCH:
2320
ioc_st = BFA_IOC_FWMISMATCH;
2323
case BFA_IOCPF_FAIL:
2324
ioc_st = BFA_IOC_FAIL;
2327
case BFA_IOCPF_INITFAIL:
2328
ioc_st = BFA_IOC_INITFAIL;
2339
bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr)
2341
memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr));
2343
ioc_attr->state = bfa_ioc_get_state(ioc);
2344
ioc_attr->port_id = ioc->port_id;
2345
ioc_attr->port_mode = ioc->port_mode;
2347
ioc_attr->port_mode_cfg = ioc->port_mode_cfg;
2348
ioc_attr->cap_bm = ioc->ad_cap_bm;
2350
ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
2352
bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
2354
ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
2355
ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
2356
bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
2363
bfa_ioc_get_pwwn(struct bfa_ioc *ioc)
2365
return ioc->attr->pwwn;
2369
bfa_nw_ioc_get_mac(struct bfa_ioc *ioc)
2371
return ioc->attr->mac;
2375
* Firmware failure detected. Start recovery actions.
2378
bfa_ioc_recover(struct bfa_ioc *ioc)
2380
pr_crit("Heart Beat of IOC has failed\n");
2381
bfa_ioc_stats(ioc, ioc_hbfails);
2382
bfa_ioc_stats_hb_count(ioc, ioc->hb_count);
2383
bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
2387
bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc)
2389
if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL)
2394
* @dg hal_iocpf_pvt BFA IOC PF private functions
2399
bfa_iocpf_enable(struct bfa_ioc *ioc)
2401
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE);
2405
bfa_iocpf_disable(struct bfa_ioc *ioc)
2407
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE);
2411
bfa_iocpf_fail(struct bfa_ioc *ioc)
2413
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
2417
bfa_iocpf_initfail(struct bfa_ioc *ioc)
2419
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
2423
bfa_iocpf_getattrfail(struct bfa_ioc *ioc)
2425
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
2429
bfa_iocpf_stop(struct bfa_ioc *ioc)
2431
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
2435
bfa_nw_iocpf_timeout(void *ioc_arg)
2437
struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
2438
enum bfa_iocpf_state iocpf_st;
2440
iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
2442
if (iocpf_st == BFA_IOCPF_HWINIT)
2443
bfa_ioc_poll_fwinit(ioc);
2445
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT);
2449
bfa_nw_iocpf_sem_timeout(void *ioc_arg)
2451
struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
2453
bfa_ioc_hw_sem_get(ioc);
2457
bfa_ioc_poll_fwinit(struct bfa_ioc *ioc)
2459
u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate);
2461
if (fwstate == BFI_IOC_DISABLED) {
2462
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
2466
if (ioc->iocpf.poll_time >= BFA_IOC_TOV) {
2467
bfa_nw_iocpf_timeout(ioc);
2469
ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
2470
mod_timer(&ioc->iocpf_timer, jiffies +
2471
msecs_to_jiffies(BFA_IOC_POLL_TOV));