* IOC local definitions
*/
-#define bfa_ioc_timer_start(__ioc) \
- mod_timer(&(__ioc)->ioc_timer, jiffies + \
- msecs_to_jiffies(BFA_IOC_TOV))
-#define bfa_ioc_timer_stop(__ioc) del_timer(&(__ioc)->ioc_timer)
-
-#define bfa_ioc_recovery_timer_start(__ioc) \
- mod_timer(&(__ioc)->ioc_timer, jiffies + \
- msecs_to_jiffies(BFA_IOC_TOV_RECOVER))
-
-#define bfa_sem_timer_start(__ioc) \
- mod_timer(&(__ioc)->sem_timer, jiffies + \
- msecs_to_jiffies(BFA_IOC_HWSEM_TOV))
-#define bfa_sem_timer_stop(__ioc) del_timer(&(__ioc)->sem_timer)
-
-#define bfa_hb_timer_start(__ioc) \
- mod_timer(&(__ioc)->hb_timer, jiffies + \
- msecs_to_jiffies(BFA_IOC_HB_TOV))
-#define bfa_hb_timer_stop(__ioc) del_timer(&(__ioc)->hb_timer)
-
/**
* Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
*/
((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
-#define bfa_ioc_notify_hbfail(__ioc) \
- ((__ioc)->ioc_hwif->ioc_notify_hbfail(__ioc))
+#define bfa_ioc_notify_fail(__ioc) \
+ ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
+#define bfa_ioc_sync_join(__ioc) \
+ ((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
+#define bfa_ioc_sync_leave(__ioc) \
+ ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc))
+#define bfa_ioc_sync_ack(__ioc) \
+ ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc))
+#define bfa_ioc_sync_complete(__ioc) \
+ ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc))
#define bfa_ioc_mbox_cmd_pending(__ioc) \
(!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \
static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc);
static void bfa_ioc_disable_comp(struct bfa_ioc *ioc);
static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc);
+static void bfa_ioc_fail_notify(struct bfa_ioc *ioc);
+static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc);
+static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc);
+static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc);
+static void bfa_ioc_pf_failed(struct bfa_ioc *ioc);
+static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc);
static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type,
u32 boot_param);
static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr);
static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc);
/**
- * IOC state machine events
+ * IOC state machine definitions/declarations
*/
enum ioc_event {
- IOC_E_ENABLE = 1, /*!< IOC enable request */
- IOC_E_DISABLE = 2, /*!< IOC disable request */
- IOC_E_TIMEOUT = 3, /*!< f/w response timeout */
- IOC_E_FWREADY = 4, /*!< f/w initialization done */
- IOC_E_FWRSP_GETATTR = 5, /*!< IOC get attribute response */
- IOC_E_FWRSP_ENABLE = 6, /*!< enable f/w response */
- IOC_E_FWRSP_DISABLE = 7, /*!< disable f/w response */
- IOC_E_HBFAIL = 8, /*!< heartbeat failure */
- IOC_E_HWERROR = 9, /*!< hardware error interrupt */
- IOC_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */
- IOC_E_DETACH = 11, /*!< driver detach cleanup */
+ IOC_E_RESET = 1, /*!< IOC reset request */
+ IOC_E_ENABLE = 2, /*!< IOC enable request */
+ IOC_E_DISABLE = 3, /*!< IOC disable request */
+ IOC_E_DETACH = 4, /*!< driver detach cleanup */
+ IOC_E_ENABLED = 5, /*!< f/w enabled */
+ IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */
+ IOC_E_DISABLED = 7, /*!< f/w disabled */
+ IOC_E_INITFAILED = 8, /*!< failure notice by iocpf sm */
+ IOC_E_PFAILED = 9, /*!< failure notice by iocpf sm */
+ IOC_E_HBFAIL = 10, /*!< heartbeat failure */
+ IOC_E_HWERROR = 11, /*!< hardware error interrupt */
+ IOC_E_TIMEOUT = 12, /*!< timeout */
};
+bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, fwcheck, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, mismatch, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, semwait, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, hwinit, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, initfail, struct bfa_ioc, enum ioc_event);
-bfa_fsm_state_decl(bfa_ioc, hbfail, struct bfa_ioc, enum ioc_event);
+bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event);
+bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event);
static struct bfa_sm_table ioc_sm_table[] = {
+ {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
{BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
- {BFA_SM(bfa_ioc_sm_fwcheck), BFA_IOC_FWMISMATCH},
- {BFA_SM(bfa_ioc_sm_mismatch), BFA_IOC_FWMISMATCH},
- {BFA_SM(bfa_ioc_sm_semwait), BFA_IOC_SEMWAIT},
- {BFA_SM(bfa_ioc_sm_hwinit), BFA_IOC_HWINIT},
- {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_HWINIT},
+ {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
{BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
{BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
- {BFA_SM(bfa_ioc_sm_initfail), BFA_IOC_INITFAIL},
- {BFA_SM(bfa_ioc_sm_hbfail), BFA_IOC_HBFAIL},
+ {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
+ {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
};
+/**
+ * IOCPF state machine definitions/declarations
+ */
+
+/*
+ * Forward declareations for iocpf state machine
+ */
+static void bfa_iocpf_enable(struct bfa_ioc *ioc);
+static void bfa_iocpf_disable(struct bfa_ioc *ioc);
+static void bfa_iocpf_fail(struct bfa_ioc *ioc);
+static void bfa_iocpf_initfail(struct bfa_ioc *ioc);
+static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc);
+static void bfa_iocpf_stop(struct bfa_ioc *ioc);
+
+/**
+ * IOCPF state machine events
+ */
+enum iocpf_event {
+ IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */
+ IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */
+ IOCPF_E_STOP = 3, /*!< stop on driver detach */
+ IOCPF_E_FWREADY = 4, /*!< f/w initialization done */
+ IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */
+ IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */
+ IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */
+ IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */
+ IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */
+ IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */
+ IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */
+};
+
+/**
+ * IOCPF states
+ */
+enum bfa_iocpf_state {
+ BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */
+ BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */
+ BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */
+ BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */
+ BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */
+ BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */
+ BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */
+ BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */
+ BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */
+};
+
+bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf,
+ enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf,
+ enum iocpf_event);
+bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event);
+
+static struct bfa_sm_table iocpf_sm_table[] = {
+ {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET},
+ {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH},
+ {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH},
+ {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT},
+ {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT},
+ {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT},
+ {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY},
+ {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL},
+ {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL},
+ {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL},
+ {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL},
+ {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING},
+ {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING},
+ {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED},
+};
+
+/**
+ * IOC State Machine
+ */
+
+/**
+ * Beginning state. IOC uninit state.
+ */
+static void
+bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc)
+{
+}
+
+/**
+ * IOC is in uninit state.
+ */
+static void
+bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_RESET:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
/**
* Reset entry actions -- initialize state machine
*/
static void
bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc)
{
- ioc->retry_count = 0;
- ioc->auto_recover = bfa_nw_auto_recover;
+ bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset);
}
/**
- * Beginning state. IOC is in reset state.
+ * IOC is in reset state.
*/
static void
bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event)
{
switch (event) {
case IOC_E_ENABLE:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
break;
case IOC_E_DISABLE:
break;
case IOC_E_DETACH:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+static void
+bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc)
+{
+ bfa_iocpf_enable(ioc);
+}
+
+/**
+ * Host IOC function is being enabled, awaiting response from firmware.
+ * Semaphore is acquired.
+ */
+static void
+bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_ENABLED:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
+ break;
+
+ case IOC_E_PFAILED:
+ /* !!! fall through !!! */
+ case IOC_E_HWERROR:
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ if (event != IOC_E_PFAILED)
+ bfa_iocpf_initfail(ioc);
+ break;
+
+ case IOC_E_DISABLE:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_DETACH:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ bfa_iocpf_stop(ioc);
+ break;
+
+ case IOC_E_ENABLE:
break;
default:
* Semaphore should be acquired for version check.
*/
static void
-bfa_ioc_sm_fwcheck_entry(struct bfa_ioc *ioc)
+bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc)
+{
+ mod_timer(&ioc->ioc_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_TOV));
+ bfa_ioc_send_getattr(ioc);
+}
+
+/**
+ * IOC configuration in progress. Timer is active.
+ */
+static void
+bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_FWRSP_GETATTR:
+ del_timer(&ioc->ioc_timer);
+ bfa_ioc_check_attr_wwns(ioc);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
+ break;
+
+ case IOC_E_PFAILED:
+ case IOC_E_HWERROR:
+ del_timer(&ioc->ioc_timer);
+ /* fall through */
+ case IOC_E_TIMEOUT:
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ if (event != IOC_E_PFAILED)
+ bfa_iocpf_getattrfail(ioc);
+ break;
+
+ case IOC_E_DISABLE:
+ del_timer(&ioc->ioc_timer);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_ENABLE:
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+static void
+bfa_ioc_sm_op_entry(struct bfa_ioc *ioc)
+{
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
+ bfa_ioc_hb_monitor(ioc);
+}
+
+static void
+bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_ENABLE:
+ break;
+
+ case IOC_E_DISABLE:
+ bfa_ioc_hb_stop(ioc);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_PFAILED:
+ case IOC_E_HWERROR:
+ bfa_ioc_hb_stop(ioc);
+ /* !!! fall through !!! */
+ case IOC_E_HBFAIL:
+ bfa_ioc_fail_notify(ioc);
+ if (ioc->iocpf.auto_recover)
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
+ else
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
+
+ if (event != IOC_E_PFAILED)
+ bfa_iocpf_fail(ioc);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+static void
+bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc)
+{
+ bfa_iocpf_disable(ioc);
+}
+
+/**
+ * IOC is being desabled
+ */
+static void
+bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_DISABLED:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ break;
+
+ case IOC_E_HWERROR:
+ /*
+ * No state change. Will move to disabled state
+ * after iocpf sm completes failure processing and
+ * moves to disabled state.
+ */
+ bfa_iocpf_fail(ioc);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+/**
+ * IOC desable completion entry.
+ */
+static void
+bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc)
+{
+ bfa_ioc_disable_comp(ioc);
+}
+
+static void
+bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_ENABLE:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
+ break;
+
+ case IOC_E_DISABLE:
+ ioc->cbfn->disable_cbfn(ioc->bfa);
+ break;
+
+ case IOC_E_DETACH:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ bfa_iocpf_stop(ioc);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+static void
+bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc)
+{
+}
+
+/**
+ * Hardware initialization retry.
+ */
+static void
+bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_ENABLED:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
+ break;
+
+ case IOC_E_PFAILED:
+ case IOC_E_HWERROR:
+ /**
+ * Initialization retry failed.
+ */
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ if (event != IOC_E_PFAILED)
+ bfa_iocpf_initfail(ioc);
+ break;
+
+ case IOC_E_INITFAILED:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
+ break;
+
+ case IOC_E_ENABLE:
+ break;
+
+ case IOC_E_DISABLE:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_DETACH:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ bfa_iocpf_stop(ioc);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+static void
+bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc)
{
- bfa_ioc_hw_sem_get(ioc);
+}
+
+/**
+ * IOC failure.
+ */
+static void
+bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event)
+{
+ switch (event) {
+ case IOC_E_ENABLE:
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ break;
+
+ case IOC_E_DISABLE:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ break;
+
+ case IOC_E_DETACH:
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ bfa_iocpf_stop(ioc);
+ break;
+
+ case IOC_E_HWERROR:
+ /* HB failure notification, ignore. */
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
+
+/**
+ * IOCPF State Machine
+ */
+
+/**
+ * Reset entry actions -- initialize state machine
+ */
+static void
+bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf)
+{
+ iocpf->retry_count = 0;
+ iocpf->auto_recover = bfa_nw_auto_recover;
+}
+
+/**
+ * Beginning state. IOC is in reset state.
+ */
+static void
+bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event)
+{
+ switch (event) {
+ case IOCPF_E_ENABLE:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
+ break;
+
+ case IOCPF_E_STOP:
+ break;
+
+ default:
+ bfa_sm_fault(iocpf->ioc, event);
+ }
+}
+
+/**
+ * Semaphore should be acquired for version check.
+ */
+static void
+bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf)
+{
+ bfa_ioc_hw_sem_get(iocpf->ioc);
}
/**
* Awaiting h/w semaphore to continue with version check.
*/
static void
-bfa_ioc_sm_fwcheck(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_SEMLOCKED:
+ case IOCPF_E_SEMLOCKED:
if (bfa_ioc_firmware_lock(ioc)) {
- ioc->retry_count = 0;
- bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
+ if (bfa_ioc_sync_complete(ioc)) {
+ iocpf->retry_count = 0;
+ bfa_ioc_sync_join(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
+ } else {
+ bfa_ioc_firmware_unlock(ioc);
+ bfa_nw_ioc_hw_sem_release(ioc);
+ mod_timer(&ioc->sem_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
+ }
} else {
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_mismatch);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch);
}
break;
- case IOC_E_DISABLE:
- bfa_ioc_disable_comp(ioc);
- /* fall through */
-
- case IOC_E_DETACH:
+ case IOCPF_E_DISABLE:
bfa_ioc_hw_sem_get_cancel(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
+ bfa_ioc_pf_disabled(ioc);
break;
- case IOC_E_FWREADY:
+ case IOCPF_E_STOP:
+ bfa_ioc_hw_sem_get_cancel(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
}
/**
- * Notify enable completion callback and generate mismatch AEN.
+ * Notify enable completion callback
*/
static void
-bfa_ioc_sm_mismatch_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf)
{
- /**
- * Provide enable completion callback and AEN notification only once.
- */
- if (ioc->retry_count == 0)
- ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
- ioc->retry_count++;
- bfa_ioc_timer_start(ioc);
+ /* Call only the first time sm enters fwmismatch state. */
+ if (iocpf->retry_count == 0)
+ bfa_ioc_pf_fwmismatch(iocpf->ioc);
+
+ iocpf->retry_count++;
+ mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_TOV));
}
/**
* Awaiting firmware version match.
*/
static void
-bfa_ioc_sm_mismatch(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_TIMEOUT:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck);
+ case IOCPF_E_TIMEOUT:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
break;
- case IOC_E_DISABLE:
- bfa_ioc_disable_comp(ioc);
- /* fall through */
-
- case IOC_E_DETACH:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ case IOCPF_E_DISABLE:
+ del_timer(&ioc->iocpf_timer);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
+ bfa_ioc_pf_disabled(ioc);
break;
- case IOC_E_FWREADY:
+ case IOCPF_E_STOP:
+ del_timer(&ioc->iocpf_timer);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
* Request for semaphore.
*/
static void
-bfa_ioc_sm_semwait_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_hw_sem_get(ioc);
+ bfa_ioc_hw_sem_get(iocpf->ioc);
}
/**
* Awaiting semaphore for h/w initialzation.
*/
static void
-bfa_ioc_sm_semwait(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_SEMLOCKED:
- ioc->retry_count = 0;
- bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
+ case IOCPF_E_SEMLOCKED:
+ if (bfa_ioc_sync_complete(ioc)) {
+ bfa_ioc_sync_join(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
+ } else {
+ bfa_nw_ioc_hw_sem_release(ioc);
+ mod_timer(&ioc->sem_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_HWSEM_TOV));
+ }
break;
- case IOC_E_DISABLE:
+ case IOCPF_E_DISABLE:
bfa_ioc_hw_sem_get_cancel(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
default:
}
static void
-bfa_ioc_sm_hwinit_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_timer_start(ioc);
- bfa_ioc_reset(ioc, false);
+ mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_TOV));
+ bfa_ioc_reset(iocpf->ioc, 0);
}
/**
- * @brief
* Hardware is being initialized. Interrupts are enabled.
* Holding hardware semaphore lock.
*/
static void
-bfa_ioc_sm_hwinit(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_FWREADY:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
+ case IOCPF_E_FWREADY:
+ del_timer(&ioc->iocpf_timer);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling);
break;
- case IOC_E_HWERROR:
- bfa_ioc_timer_stop(ioc);
- /* fall through */
-
- case IOC_E_TIMEOUT:
- ioc->retry_count++;
- if (ioc->retry_count < BFA_IOC_HWINIT_MAX) {
- bfa_ioc_timer_start(ioc);
- bfa_ioc_reset(ioc, true);
- break;
- }
+ case IOCPF_E_INITFAIL:
+ del_timer(&ioc->iocpf_timer);
+ /*
+ * !!! fall through !!!
+ */
+ case IOCPF_E_TIMEOUT:
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
+ if (event == IOCPF_E_TIMEOUT)
+ bfa_ioc_pf_failed(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
- case IOC_E_DISABLE:
+ case IOCPF_E_DISABLE:
+ del_timer(&ioc->iocpf_timer);
+ bfa_ioc_sync_leave(ioc);
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
default:
}
static void
-bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_timer_start(ioc);
- bfa_ioc_send_enable(ioc);
+ mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_TOV));
+ bfa_ioc_send_enable(iocpf->ioc);
}
/**
* Semaphore is acquired.
*/
static void
-bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_FWRSP_ENABLE:
- bfa_ioc_timer_stop(ioc);
+ case IOCPF_E_FWRSP_ENABLE:
+ del_timer(&ioc->iocpf_timer);
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready);
break;
- case IOC_E_HWERROR:
- bfa_ioc_timer_stop(ioc);
- /* fall through */
-
- case IOC_E_TIMEOUT:
- ioc->retry_count++;
- if (ioc->retry_count < BFA_IOC_HWINIT_MAX) {
- writel(BFI_IOC_UNINIT,
- ioc->ioc_regs.ioc_fwstate);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
- break;
- }
-
+ case IOCPF_E_INITFAIL:
+ del_timer(&ioc->iocpf_timer);
+ /*
+ * !!! fall through !!!
+ */
+ case IOCPF_E_TIMEOUT:
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
+ if (event == IOCPF_E_TIMEOUT)
+ bfa_ioc_pf_failed(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
- case IOC_E_DISABLE:
- bfa_ioc_timer_stop(ioc);
+ case IOCPF_E_DISABLE:
+ del_timer(&ioc->iocpf_timer);
bfa_nw_ioc_hw_sem_release(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
break;
- case IOC_E_FWREADY:
+ case IOCPF_E_FWREADY:
bfa_ioc_send_enable(ioc);
break;
}
}
+static bool
+bfa_nw_ioc_is_operational(struct bfa_ioc *ioc)
+{
+ return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op);
+}
+
static void
-bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_timer_start(ioc);
- bfa_ioc_send_getattr(ioc);
+ bfa_ioc_pf_enabled(iocpf->ioc);
}
-/**
- * @brief
- * IOC configuration in progress. Timer is active.
- */
static void
-bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_FWRSP_GETATTR:
- bfa_ioc_timer_stop(ioc);
- bfa_ioc_check_attr_wwns(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
+ case IOCPF_E_DISABLE:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
break;
- case IOC_E_HWERROR:
- bfa_ioc_timer_stop(ioc);
- /* fall through */
+ case IOCPF_E_GETATTRFAIL:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
+ break;
- case IOC_E_TIMEOUT:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
+ case IOCPF_E_FAIL:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
break;
- case IOC_E_DISABLE:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ case IOCPF_E_FWREADY:
+ bfa_ioc_pf_failed(ioc);
+ if (bfa_nw_ioc_is_operational(ioc))
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
+ else
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
default:
}
static void
-bfa_ioc_sm_op_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf)
{
- ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
- bfa_ioc_hb_monitor(ioc);
+ mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies +
+ msecs_to_jiffies(BFA_IOC_TOV));
+ bfa_ioc_send_disable(iocpf->ioc);
}
+/**
+ * IOC is being disabled
+ */
static void
-bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
- switch (event) {
- case IOC_E_ENABLE:
- break;
+ struct bfa_ioc *ioc = iocpf->ioc;
- case IOC_E_DISABLE:
- bfa_ioc_hb_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
+ switch (event) {
+ case IOCPF_E_FWRSP_DISABLE:
+ case IOCPF_E_FWREADY:
+ del_timer(&ioc->iocpf_timer);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
- case IOC_E_HWERROR:
- case IOC_E_FWREADY:
- /**
- * Hard error or IOC recovery by other function.
- * Treat it same as heartbeat failure.
+ case IOCPF_E_FAIL:
+ del_timer(&ioc->iocpf_timer);
+ /*
+ * !!! fall through !!!
*/
- bfa_ioc_hb_stop(ioc);
- /* !!! fall through !!! */
- case IOC_E_HBFAIL:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_hbfail);
+ case IOCPF_E_TIMEOUT:
+ writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
+ break;
+
+ case IOCPF_E_FWRSP_ENABLE:
break;
default:
}
static void
-bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_timer_start(ioc);
- bfa_ioc_send_disable(ioc);
+ bfa_ioc_hw_sem_get(iocpf->ioc);
}
/**
- * IOC is being disabled
+ * IOC hb ack request is being removed.
*/
static void
-bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_FWRSP_DISABLE:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ case IOCPF_E_SEMLOCKED:
+ bfa_ioc_sync_leave(ioc);
+ bfa_nw_ioc_hw_sem_release(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
- case IOC_E_HWERROR:
- bfa_ioc_timer_stop(ioc);
- /*
- * !!! fall through !!!
- */
-
- case IOC_E_TIMEOUT:
- writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ case IOCPF_E_FAIL:
break;
default:
* IOC disable completion entry.
*/
static void
-bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf)
{
- bfa_ioc_disable_comp(ioc);
+ bfa_ioc_pf_disabled(iocpf->ioc);
}
static void
-bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
- switch (event) {
- case IOC_E_ENABLE:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
- break;
-
- case IOC_E_DISABLE:
- ioc->cbfn->disable_cbfn(ioc->bfa);
- break;
+ struct bfa_ioc *ioc = iocpf->ioc;
- case IOC_E_FWREADY:
+ switch (event) {
+ case IOCPF_E_ENABLE:
+ iocpf->retry_count = 0;
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
break;
- case IOC_E_DETACH:
+ case IOCPF_E_STOP:
bfa_ioc_firmware_unlock(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
}
static void
-bfa_ioc_sm_initfail_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf)
{
- ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
- bfa_ioc_timer_start(ioc);
+ bfa_ioc_hw_sem_get(iocpf->ioc);
}
/**
- * @brief
* Hardware initialization failed.
*/
static void
-bfa_ioc_sm_initfail(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
+ struct bfa_ioc *ioc = iocpf->ioc;
+
switch (event) {
- case IOC_E_DISABLE:
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ case IOCPF_E_SEMLOCKED:
+ bfa_ioc_notify_fail(ioc);
+ bfa_ioc_sync_ack(ioc);
+ iocpf->retry_count++;
+ if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) {
+ bfa_ioc_sync_leave(ioc);
+ bfa_nw_ioc_hw_sem_release(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
+ } else {
+ if (bfa_ioc_sync_complete(ioc))
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
+ else {
+ bfa_nw_ioc_hw_sem_release(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
+ }
+ }
break;
- case IOC_E_DETACH:
- bfa_ioc_timer_stop(ioc);
+ case IOCPF_E_DISABLE:
+ bfa_ioc_hw_sem_get_cancel(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
+ break;
+
+ case IOCPF_E_STOP:
+ bfa_ioc_hw_sem_get_cancel(ioc);
bfa_ioc_firmware_unlock(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
- case IOC_E_TIMEOUT:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
+ case IOCPF_E_FAIL:
break;
default:
}
static void
-bfa_ioc_sm_hbfail_entry(struct bfa_ioc *ioc)
+bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf)
{
- struct list_head *qe;
- struct bfa_ioc_hbfail_notify *notify;
+ bfa_ioc_pf_initfailed(iocpf->ioc);
+}
- /**
- * Mark IOC as failed in hardware and stop firmware.
- */
- bfa_ioc_lpu_stop(ioc);
- writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
+/**
+ * Hardware initialization failed.
+ */
+static void
+bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event)
+{
+ struct bfa_ioc *ioc = iocpf->ioc;
- /**
- * Notify other functions on HB failure.
- */
- bfa_ioc_notify_hbfail(ioc);
+ switch (event) {
+ case IOCPF_E_DISABLE:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
+ break;
- /**
- * Notify driver and common modules registered for notification.
- */
- ioc->cbfn->hbfail_cbfn(ioc->bfa);
- list_for_each(qe, &ioc->hb_notify_q) {
- notify = (struct bfa_ioc_hbfail_notify *) qe;
- notify->cbfn(notify->cbarg);
+ case IOCPF_E_STOP:
+ bfa_ioc_firmware_unlock(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
+ break;
+
+ default:
+ bfa_sm_fault(ioc, event);
}
+}
+static void
+bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf)
+{
/**
- * Flush any queued up mailbox requests.
+ * Mark IOC as failed in hardware and stop firmware.
*/
- bfa_ioc_mbox_hbfail(ioc);
+ bfa_ioc_lpu_stop(iocpf->ioc);
/**
- * Trigger auto-recovery after a delay.
+ * Flush any queued up mailbox requests.
*/
- if (ioc->auto_recover)
- mod_timer(&ioc->ioc_timer, jiffies +
- msecs_to_jiffies(BFA_IOC_TOV_RECOVER));
+ bfa_ioc_mbox_hbfail(iocpf->ioc);
+ bfa_ioc_hw_sem_get(iocpf->ioc);
}
/**
- * @brief
- * IOC heartbeat failure.
+ * IOC is in failed state.
*/
static void
-bfa_ioc_sm_hbfail(struct bfa_ioc *ioc, enum ioc_event event)
+bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event)
{
- switch (event) {
+ struct bfa_ioc *ioc = iocpf->ioc;
- case IOC_E_ENABLE:
- ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+ switch (event) {
+ case IOCPF_E_SEMLOCKED:
+ iocpf->retry_count = 0;
+ bfa_ioc_sync_ack(ioc);
+ bfa_ioc_notify_fail(ioc);
+ if (!iocpf->auto_recover) {
+ bfa_ioc_sync_leave(ioc);
+ bfa_nw_ioc_hw_sem_release(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
+ } else {
+ if (bfa_ioc_sync_complete(ioc))
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
+ else {
+ bfa_nw_ioc_hw_sem_release(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
+ }
+ }
break;
- case IOC_E_DISABLE:
- if (ioc->auto_recover)
- bfa_ioc_timer_stop(ioc);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+ case IOCPF_E_DISABLE:
+ bfa_ioc_hw_sem_get_cancel(ioc);
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
- case IOC_E_TIMEOUT:
- bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
+ case IOCPF_E_FAIL:
break;
- case IOC_E_FWREADY:
- /**
- * Recovery is already initiated by other function.
- */
- break;
+ default:
+ bfa_sm_fault(ioc, event);
+ }
+}
- case IOC_E_HWERROR:
- /*
- * HB failure notification, ignore.
- */
+static void
+bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf)
+{
+}
+
+/**
+ * @brief
+ * IOC is in failed state.
+ */
+static void
+bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event)
+{
+ switch (event) {
+ case IOCPF_E_DISABLE:
+ bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
+
default:
- bfa_sm_fault(ioc, event);
+ bfa_sm_fault(iocpf->ioc, event);
}
}
}
}
-void
-bfa_nw_ioc_sem_timeout(void *ioc_arg)
-{
- struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
-
- bfa_ioc_hw_sem_get(ioc);
-}
-
bool
bfa_nw_ioc_sem_get(void __iomem *sem_reg)
{
*/
r32 = readl(ioc->ioc_regs.ioc_sem_reg);
if (r32 == 0) {
- bfa_fsm_send_event(ioc, IOC_E_SEMLOCKED);
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
return;
}
*/
bfa_ioc_msgflush(ioc);
ioc->cbfn->reset_cbfn(ioc->bfa);
- bfa_fsm_send_event(ioc, IOC_E_FWREADY);
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
return;
}
hb_count = readl(ioc->ioc_regs.heartbeat);
if (ioc->hb_count == hb_count) {
- pr_crit("Firmware heartbeat failure at %d", hb_count);
bfa_ioc_recover(ioc);
return;
} else {
bfa_q_deq(&mod->cmd_q, &cmd);
}
+static void
+bfa_ioc_fail_notify(struct bfa_ioc *ioc)
+{
+ struct list_head *qe;
+ struct bfa_ioc_hbfail_notify *notify;
+
+ /**
+ * Notify driver and common modules registered for notification.
+ */
+ ioc->cbfn->hbfail_cbfn(ioc->bfa);
+ list_for_each(qe, &ioc->hb_notify_q) {
+ notify = (struct bfa_ioc_hbfail_notify *) qe;
+ notify->cbfn(notify->cbarg);
+ }
+}
+
+static void
+bfa_ioc_pf_enabled(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(ioc, IOC_E_ENABLED);
+}
+
+static void
+bfa_ioc_pf_disabled(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(ioc, IOC_E_DISABLED);
+}
+
+static void
+bfa_ioc_pf_initfailed(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(ioc, IOC_E_INITFAILED);
+}
+
+static void
+bfa_ioc_pf_failed(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(ioc, IOC_E_PFAILED);
+}
+
+static void
+bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc)
+{
+ /**
+ * Provide enable completion callback and AEN notification.
+ */
+ ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
+}
+
/**
* IOC public
*/
bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m)
{
union bfi_ioc_i2h_msg_u *msg;
+ struct bfa_iocpf *iocpf = &ioc->iocpf;
msg = (union bfi_ioc_i2h_msg_u *) m;
break;
case BFI_IOC_I2H_READY_EVENT:
- bfa_fsm_send_event(ioc, IOC_E_FWREADY);
+ bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY);
break;
case BFI_IOC_I2H_ENABLE_REPLY:
- bfa_fsm_send_event(ioc, IOC_E_FWRSP_ENABLE);
+ bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE);
break;
case BFI_IOC_I2H_DISABLE_REPLY:
- bfa_fsm_send_event(ioc, IOC_E_FWRSP_DISABLE);
+ bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE);
break;
case BFI_IOC_I2H_GETATTR_REPLY:
ioc->fcmode = false;
ioc->pllinit = false;
ioc->dbg_fwsave_once = true;
+ ioc->iocpf.ioc = ioc;
bfa_ioc_mbox_attach(ioc);
INIT_LIST_HEAD(&ioc->hb_notify_q);
- bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
+ bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
+ bfa_fsm_send_event(ioc, IOC_E_RESET);
}
/**
static enum bfa_ioc_state
bfa_ioc_get_state(struct bfa_ioc *ioc)
{
- return bfa_sm_to_state(ioc_sm_table, ioc->fsm);
+ enum bfa_iocpf_state iocpf_st;
+ enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
+
+ if (ioc_st == BFA_IOC_ENABLING ||
+ ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) {
+
+ iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
+
+ switch (iocpf_st) {
+ case BFA_IOCPF_SEMWAIT:
+ ioc_st = BFA_IOC_SEMWAIT;
+ break;
+
+ case BFA_IOCPF_HWINIT:
+ ioc_st = BFA_IOC_HWINIT;
+ break;
+
+ case BFA_IOCPF_FWMISMATCH:
+ ioc_st = BFA_IOC_FWMISMATCH;
+ break;
+
+ case BFA_IOCPF_FAIL:
+ ioc_st = BFA_IOC_FAIL;
+ break;
+
+ case BFA_IOCPF_INITFAIL:
+ ioc_st = BFA_IOC_INITFAIL;
+ break;
+
+ default:
+ break;
+ }
+ }
+ return ioc_st;
}
void
static void
bfa_ioc_recover(struct bfa_ioc *ioc)
{
- bfa_ioc_stats(ioc, ioc_hbfails);
- bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
+ u16 bdf;
+
+ bdf = (ioc->pcidev.pci_slot << 8 | ioc->pcidev.pci_func << 3 |
+ ioc->pcidev.device_id);
+
+ pr_crit("Firmware heartbeat failure at %d", bdf);
+ BUG_ON(1);
}
static void
{
if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL)
return;
+}
+
+/**
+ * @dg hal_iocpf_pvt BFA IOC PF private functions
+ * @{
+ */
+
+static void
+bfa_iocpf_enable(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE);
+}
+
+static void
+bfa_iocpf_disable(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE);
+}
+
+static void
+bfa_iocpf_fail(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
+}
+
+static void
+bfa_iocpf_initfail(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
+}
+
+static void
+bfa_iocpf_getattrfail(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
+}
+
+static void
+bfa_iocpf_stop(struct bfa_ioc *ioc)
+{
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
+}
+
+void
+bfa_nw_iocpf_timeout(void *ioc_arg)
+{
+ struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
+
+ bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT);
+}
+void
+bfa_nw_iocpf_sem_timeout(void *ioc_arg)
+{
+ struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg;
+
+ bfa_ioc_hw_sem_get(ioc);
}
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff