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提交 1d32f769 编写于 作者: R Rasesh Mody 提交者： David S. Miller
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bna: IOC failure auto recovery fix 

Change Details:
	- Made IOC auto_recovery synchronized and not timer based.
	- Only one PCI function will attempt to recover and reinitialize
	the ASIC on a failure, that too after all the active PCI
	functions acknowledge the IOC failure.
Signed-off-by: NDebashis Dutt <ddutt@brocade.com>
Signed-off-by: NRasesh Mody <rmody@brocade.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 aad75b66
隐藏空白更改
内联 并排
Showing with 1063 addition and 352 deletion
drivers/net/bna/bfa_defs.h
浏览文件 @ 1d32f769
......@@ -112,16 +112,18 @@ struct bfa_ioc_pci_attr {
* IOC states
*/
enum bfa_ioc_state {
BFA_IOC_RESET = 1, /*!< IOC is in reset state */
BFA_IOC_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */
BFA_IOC_HWINIT = 3, /*!< IOC h/w is being initialized */
BFA_IOC_GETATTR = 4, /*!< IOC is being configured */
BFA_IOC_OPERATIONAL = 5, /*!< IOC is operational */
BFA_IOC_INITFAIL = 6, /*!< IOC hardware failure */
BFA_IOC_HBFAIL = 7, /*!< IOC heart-beat failure */
BFA_IOC_DISABLING = 8, /*!< IOC is being disabled */
BFA_IOC_DISABLED = 9, /*!< IOC is disabled */
BFA_IOC_FWMISMATCH = 10, /*!< IOC f/w different from drivers */
BFA_IOC_UNINIT = 1, /*!< IOC is in uninit state */
BFA_IOC_RESET = 2, /*!< IOC is in reset state */
BFA_IOC_SEMWAIT = 3, /*!< Waiting for IOC h/w semaphore */
BFA_IOC_HWINIT = 4, /*!< IOC h/w is being initialized */
BFA_IOC_GETATTR = 5, /*!< IOC is being configured */
BFA_IOC_OPERATIONAL = 6, /*!< IOC is operational */
BFA_IOC_INITFAIL = 7, /*!< IOC hardware failure */
BFA_IOC_FAIL = 8, /*!< IOC heart-beat failure */
BFA_IOC_DISABLING = 9, /*!< IOC is being disabled */
BFA_IOC_DISABLED = 10, /*!< IOC is disabled */
BFA_IOC_FWMISMATCH = 11, /*!< IOC f/w different from drivers */
BFA_IOC_ENABLING = 12, /*!< IOC is being enabled */
};
/**
......
drivers/net/bna/bfa_ioc.c
浏览文件 @ 1d32f769
......@@ -26,25 +26,6 @@
* 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.
*/
......@@ -55,8 +36,16 @@
((__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)) || \
......@@ -82,6 +71,12 @@ static void bfa_ioc_recover(struct bfa_ioc *ioc);
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);
......@@ -100,69 +95,171 @@ static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model);
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:
......@@ -170,6 +267,51 @@ bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event)
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:
......@@ -181,38 +323,310 @@ bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event)
* 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:
......@@ -221,41 +635,42 @@ bfa_ioc_sm_fwcheck(struct bfa_ioc *ioc, enum ioc_event event)
}
/**
* 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:
......@@ -267,26 +682,34 @@ bfa_ioc_sm_mismatch(struct bfa_ioc *ioc, enum ioc_event event)
* 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:
......@@ -295,46 +718,46 @@ bfa_ioc_sm_semwait(struct bfa_ioc *ioc, enum ioc_event event)
}
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:
......@@ -343,10 +766,11 @@ bfa_ioc_sm_hwinit(struct bfa_ioc *ioc, enum ioc_event event)
}
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);
}
/**
......@@ -354,39 +778,36 @@ bfa_ioc_sm_enabling_entry(struct bfa_ioc *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;
......@@ -395,38 +816,42 @@ bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event)
}
}
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:
......@@ -435,35 +860,40 @@ bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event)
}
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:
......@@ -472,33 +902,27 @@ bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event)
}
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:
......@@ -510,29 +934,25 @@ bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event)
* 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:
......@@ -541,33 +961,50 @@ bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event)
}
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:
......@@ -576,80 +1013,108 @@ bfa_ioc_sm_initfail(struct bfa_ioc *ioc, enum ioc_event event)
}
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);
}
}
......@@ -674,14 +1139,6 @@ bfa_ioc_disable_comp(struct bfa_ioc *ioc)
}
}
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)
{
......@@ -721,7 +1178,7 @@ bfa_ioc_hw_sem_get(struct bfa_ioc *ioc)
*/
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;
}
......@@ -932,7 +1389,7 @@ bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
*/
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;
}
......@@ -1018,7 +1475,6 @@ bfa_nw_ioc_hb_check(void *cbarg)
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 {
......@@ -1189,6 +1645,55 @@ bfa_ioc_mbox_hbfail(struct bfa_ioc *ioc)
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
*/
......@@ -1284,6 +1789,7 @@ static void
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;
......@@ -1294,15 +1800,15 @@ bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *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:
......@@ -1328,11 +1834,13 @@ bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn)
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);
}
/**
......@@ -1637,7 +2145,40 @@ bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model)
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
......@@ -1678,8 +2219,13 @@ bfa_nw_ioc_get_mac(struct bfa_ioc *ioc)
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
......@@ -1687,5 +2233,61 @@ bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc)
{
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);
}
drivers/net/bna/bfa_ioc.h
浏览文件 @ 1d32f769
......@@ -26,16 +26,7 @@
#define BFA_IOC_TOV 3000 /* msecs */
#define BFA_IOC_HWSEM_TOV 500 /* msecs */
#define BFA_IOC_HB_TOV 500 /* msecs */
#define BFA_IOC_HWINIT_MAX 2
#define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV
/**
* Generic Scatter Gather Element used by driver
*/
struct bfa_sge {
u32 sg_len;
void *sg_addr;
};
#define BFA_IOC_HWINIT_MAX 5
/**
* PCI device information required by IOC
......@@ -64,19 +55,6 @@ struct bfa_dma {
#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */
#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */
/**
* @brief BFA dma address assignment macro
*/
#define bfa_dma_addr_set(dma_addr, pa) \
__bfa_dma_addr_set(&dma_addr, (u64)pa)
static inline void
__bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa)
{
dma_addr->a32.addr_lo = (u32) pa;
dma_addr->a32.addr_hi = (u32) (upper_32_bits(pa));
}
/**
* @brief BFA dma address assignment macro. (big endian format)
*/
......@@ -105,8 +83,11 @@ struct bfa_ioc_regs {
void __iomem *host_page_num_fn;
void __iomem *heartbeat;
void __iomem *ioc_fwstate;
void __iomem *alt_ioc_fwstate;
void __iomem *ll_halt;
void __iomem *alt_ll_halt;
void __iomem *err_set;
void __iomem *ioc_fail_sync;
void __iomem *shirq_isr_next;
void __iomem *shirq_msk_next;
void __iomem *smem_page_start;
......@@ -165,16 +146,22 @@ struct bfa_ioc_hbfail_notify {
(__notify)->cbarg = (__cbarg); \
} while (0)
struct bfa_iocpf {
bfa_fsm_t fsm;
struct bfa_ioc *ioc;
u32 retry_count;
bool auto_recover;
};
struct bfa_ioc {
bfa_fsm_t fsm;
struct bfa *bfa;
struct bfa_pcidev pcidev;
struct bfa_timer_mod *timer_mod;
struct timer_list ioc_timer;
struct timer_list iocpf_timer;
struct timer_list sem_timer;
struct timer_list hb_timer;
u32 hb_count;
u32 retry_count;
struct list_head hb_notify_q;
void *dbg_fwsave;
int dbg_fwsave_len;
......@@ -182,7 +169,6 @@ struct bfa_ioc {
enum bfi_mclass ioc_mc;
struct bfa_ioc_regs ioc_regs;
struct bfa_ioc_drv_stats stats;
bool auto_recover;
bool fcmode;
bool ctdev;
bool cna;
......@@ -195,6 +181,7 @@ struct bfa_ioc {
struct bfa_ioc_cbfn *cbfn;
struct bfa_ioc_mbox_mod mbox_mod;
struct bfa_ioc_hwif *ioc_hwif;
struct bfa_iocpf iocpf;
};
struct bfa_ioc_hwif {
......@@ -205,8 +192,12 @@ struct bfa_ioc_hwif {
void (*ioc_map_port) (struct bfa_ioc *ioc);
void (*ioc_isr_mode_set) (struct bfa_ioc *ioc,
bool msix);
void (*ioc_notify_hbfail) (struct bfa_ioc *ioc);
void (*ioc_notify_fail) (struct bfa_ioc *ioc);
void (*ioc_ownership_reset) (struct bfa_ioc *ioc);
void (*ioc_sync_join) (struct bfa_ioc *ioc);
void (*ioc_sync_leave) (struct bfa_ioc *ioc);
void (*ioc_sync_ack) (struct bfa_ioc *ioc);
bool (*ioc_sync_complete) (struct bfa_ioc *ioc);
};
#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
......@@ -271,7 +262,6 @@ void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
void bfa_nw_ioc_hbfail_register(struct bfa_ioc *ioc,
struct bfa_ioc_hbfail_notify *notify);
......@@ -289,7 +279,8 @@ mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
*/
void bfa_nw_ioc_timeout(void *ioc);
void bfa_nw_ioc_hb_check(void *ioc);
void bfa_nw_ioc_sem_timeout(void *ioc);
void bfa_nw_iocpf_timeout(void *ioc);
void bfa_nw_iocpf_sem_timeout(void *ioc);
/*
* F/W Image Size & Chunk
......
drivers/net/bna/bfa_ioc_ct.c
浏览文件 @ 1d32f769
......@@ -22,6 +22,15 @@
#include "bfi_ctreg.h"
#include "bfa_defs.h"
#define bfa_ioc_ct_sync_pos(__ioc) \
((u32) (1 << bfa_ioc_pcifn(__ioc)))
#define BFA_IOC_SYNC_REQD_SH 16
#define bfa_ioc_ct_get_sync_ackd(__val) (__val & 0x0000ffff)
#define bfa_ioc_ct_clear_sync_ackd(__val) (__val & 0xffff0000)
#define bfa_ioc_ct_get_sync_reqd(__val) (__val >> BFA_IOC_SYNC_REQD_SH)
#define bfa_ioc_ct_sync_reqd_pos(__ioc) \
(bfa_ioc_ct_sync_pos(__ioc) << BFA_IOC_SYNC_REQD_SH)
/*
* forward declarations
*/
......@@ -30,8 +39,12 @@ static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc);
static void bfa_ioc_ct_reg_init(struct bfa_ioc *ioc);
static void bfa_ioc_ct_map_port(struct bfa_ioc *ioc);
static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix);
static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc *ioc);
static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc);
static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc);
static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc);
static void bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc);
static void bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc);
static bool bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc);
static enum bfa_status bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode);
static struct bfa_ioc_hwif nw_hwif_ct;
......@@ -48,8 +61,12 @@ bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc)
nw_hwif_ct.ioc_reg_init = bfa_ioc_ct_reg_init;
nw_hwif_ct.ioc_map_port = bfa_ioc_ct_map_port;
nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set;
nw_hwif_ct.ioc_notify_hbfail = bfa_ioc_ct_notify_hbfail;
nw_hwif_ct.ioc_notify_fail = bfa_ioc_ct_notify_fail;
nw_hwif_ct.ioc_ownership_reset = bfa_ioc_ct_ownership_reset;
nw_hwif_ct.ioc_sync_join = bfa_ioc_ct_sync_join;
nw_hwif_ct.ioc_sync_leave = bfa_ioc_ct_sync_leave;
nw_hwif_ct.ioc_sync_ack = bfa_ioc_ct_sync_ack;
nw_hwif_ct.ioc_sync_complete = bfa_ioc_ct_sync_complete;
ioc->ioc_hwif = &nw_hwif_ct;
}
......@@ -86,6 +103,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc)
if (usecnt == 0) {
writel(1, ioc->ioc_regs.ioc_usage_reg);
bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
writel(0, ioc->ioc_regs.ioc_fail_sync);
return true;
}
......@@ -149,12 +167,14 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc)
* Notify other functions on HB failure.
*/
static void
bfa_ioc_ct_notify_hbfail(struct bfa_ioc *ioc)
bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc)
{
if (ioc->cna) {
writel(__FW_INIT_HALT_P, ioc->ioc_regs.ll_halt);
writel(__FW_INIT_HALT_P, ioc->ioc_regs.alt_ll_halt);
/* Wait for halt to take effect */
readl(ioc->ioc_regs.ll_halt);
readl(ioc->ioc_regs.alt_ll_halt);
} else {
writel(__PSS_ERR_STATUS_SET, ioc->ioc_regs.err_set);
readl(ioc->ioc_regs.err_set);
......@@ -206,15 +226,19 @@ bfa_ioc_ct_reg_init(struct bfa_ioc *ioc)
if (ioc->port_id == 0) {
ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC1_STATE_REG;
ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn;
ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu;
ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0;
ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P1;
} else {
ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
ioc->ioc_regs.alt_ioc_fwstate = rb + BFA_IOC0_STATE_REG;
ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn;
ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu;
ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1;
ioc->ioc_regs.alt_ll_halt = rb + FW_INIT_HALT_P0;
}
/*
......@@ -232,6 +256,7 @@ bfa_ioc_ct_reg_init(struct bfa_ioc *ioc)
ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG);
ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG);
ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT);
ioc->ioc_regs.ioc_fail_sync = (rb + BFA_IOC_FAIL_SYNC);
/**
* sram memory access
......@@ -317,6 +342,77 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc)
bfa_nw_ioc_hw_sem_release(ioc);
}
/**
* Synchronized IOC failure processing routines
*/
static void
bfa_ioc_ct_sync_join(struct bfa_ioc *ioc)
{
u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
u32 sync_pos = bfa_ioc_ct_sync_reqd_pos(ioc);
writel((r32 | sync_pos), ioc->ioc_regs.ioc_fail_sync);
}
static void
bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc)
{
u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
u32 sync_msk = bfa_ioc_ct_sync_reqd_pos(ioc) |
bfa_ioc_ct_sync_pos(ioc);
writel((r32 & ~sync_msk), ioc->ioc_regs.ioc_fail_sync);
}
static void
bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc)
{
u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
writel((r32 | bfa_ioc_ct_sync_pos(ioc)), ioc->ioc_regs.ioc_fail_sync);
}
static bool
bfa_ioc_ct_sync_complete(struct bfa_ioc *ioc)
{
u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32);
u32 sync_ackd = bfa_ioc_ct_get_sync_ackd(r32);
u32 tmp_ackd;
if (sync_ackd == 0)
return true;
/**
* The check below is to see whether any other PCI fn
* has reinitialized the ASIC (reset sync_ackd bits)
* and failed again while this IOC was waiting for hw
* semaphore (in bfa_iocpf_sm_semwait()).
*/
tmp_ackd = sync_ackd;
if ((sync_reqd & bfa_ioc_ct_sync_pos(ioc)) &&
!(sync_ackd & bfa_ioc_ct_sync_pos(ioc)))
sync_ackd |= bfa_ioc_ct_sync_pos(ioc);
if (sync_reqd == sync_ackd) {
writel(bfa_ioc_ct_clear_sync_ackd(r32),
ioc->ioc_regs.ioc_fail_sync);
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
writel(BFI_IOC_FAIL, ioc->ioc_regs.alt_ioc_fwstate);
return true;
}
/**
* If another PCI fn reinitialized and failed again while
* this IOC was waiting for hw sem, the sync_ackd bit for
* this IOC need to be set again to allow reinitialization.
*/
if (tmp_ackd != sync_ackd)
writel((r32 | sync_ackd), ioc->ioc_regs.ioc_fail_sync);
return false;
}
static enum bfa_status
bfa_ioc_ct_pll_init(void __iomem *rb, bool fcmode)
{
......
drivers/net/bna/bfi_ctreg.h
浏览文件 @ 1d32f769
......@@ -535,6 +535,7 @@ enum {
#define BFA_IOC1_HBEAT_REG HOST_SEM2_INFO_REG
#define BFA_IOC1_STATE_REG HOST_SEM3_INFO_REG
#define BFA_FW_USE_COUNT HOST_SEM4_INFO_REG
#define BFA_IOC_FAIL_SYNC HOST_SEM5_INFO_REG
#define CPE_DEPTH_Q(__n) \
(CPE_DEPTH_Q0 + (__n) * (CPE_DEPTH_Q1 - CPE_DEPTH_Q0))
......@@ -552,22 +553,30 @@ enum {
(RME_PI_PTR_Q0 + (__n) * (RME_PI_PTR_Q1 - RME_PI_PTR_Q0))
#define RME_CI_PTR_Q(__n) \
(RME_CI_PTR_Q0 + (__n) * (RME_CI_PTR_Q1 - RME_CI_PTR_Q0))
#define HQM_QSET_RXQ_DRBL_P0(__n) (HQM_QSET0_RXQ_DRBL_P0 + (__n) \
* (HQM_QSET1_RXQ_DRBL_P0 - HQM_QSET0_RXQ_DRBL_P0))
#define HQM_QSET_TXQ_DRBL_P0(__n) (HQM_QSET0_TXQ_DRBL_P0 + (__n) \
* (HQM_QSET1_TXQ_DRBL_P0 - HQM_QSET0_TXQ_DRBL_P0))
#define HQM_QSET_IB_DRBL_1_P0(__n) (HQM_QSET0_IB_DRBL_1_P0 + (__n) \
* (HQM_QSET1_IB_DRBL_1_P0 - HQM_QSET0_IB_DRBL_1_P0))
#define HQM_QSET_IB_DRBL_2_P0(__n) (HQM_QSET0_IB_DRBL_2_P0 + (__n) \
* (HQM_QSET1_IB_DRBL_2_P0 - HQM_QSET0_IB_DRBL_2_P0))
#define HQM_QSET_RXQ_DRBL_P1(__n) (HQM_QSET0_RXQ_DRBL_P1 + (__n) \
* (HQM_QSET1_RXQ_DRBL_P1 - HQM_QSET0_RXQ_DRBL_P1))
#define HQM_QSET_TXQ_DRBL_P1(__n) (HQM_QSET0_TXQ_DRBL_P1 + (__n) \
* (HQM_QSET1_TXQ_DRBL_P1 - HQM_QSET0_TXQ_DRBL_P1))
#define HQM_QSET_IB_DRBL_1_P1(__n) (HQM_QSET0_IB_DRBL_1_P1 + (__n) \
* (HQM_QSET1_IB_DRBL_1_P1 - HQM_QSET0_IB_DRBL_1_P1))
#define HQM_QSET_IB_DRBL_2_P1(__n) (HQM_QSET0_IB_DRBL_2_P1 + (__n) \
* (HQM_QSET1_IB_DRBL_2_P1 - HQM_QSET0_IB_DRBL_2_P1))
#define HQM_QSET_RXQ_DRBL_P0(__n) \
(HQM_QSET0_RXQ_DRBL_P0 + (__n) * \
(HQM_QSET1_RXQ_DRBL_P0 - HQM_QSET0_RXQ_DRBL_P0))
#define HQM_QSET_TXQ_DRBL_P0(__n) \
(HQM_QSET0_TXQ_DRBL_P0 + (__n) * \
(HQM_QSET1_TXQ_DRBL_P0 - HQM_QSET0_TXQ_DRBL_P0))
#define HQM_QSET_IB_DRBL_1_P0(__n) \
(HQM_QSET0_IB_DRBL_1_P0 + (__n) * \
(HQM_QSET1_IB_DRBL_1_P0 - HQM_QSET0_IB_DRBL_1_P0))
#define HQM_QSET_IB_DRBL_2_P0(__n) \
(HQM_QSET0_IB_DRBL_2_P0 + (__n) * \
(HQM_QSET1_IB_DRBL_2_P0 - HQM_QSET0_IB_DRBL_2_P0))
#define HQM_QSET_RXQ_DRBL_P1(__n) \
(HQM_QSET0_RXQ_DRBL_P1 + (__n) * \
(HQM_QSET1_RXQ_DRBL_P1 - HQM_QSET0_RXQ_DRBL_P1))
#define HQM_QSET_TXQ_DRBL_P1(__n) \
(HQM_QSET0_TXQ_DRBL_P1 + (__n) * \
(HQM_QSET1_TXQ_DRBL_P1 - HQM_QSET0_TXQ_DRBL_P1))
#define HQM_QSET_IB_DRBL_1_P1(__n) \
(HQM_QSET0_IB_DRBL_1_P1 + (__n) * \
(HQM_QSET1_IB_DRBL_1_P1 - HQM_QSET0_IB_DRBL_1_P1))
#define HQM_QSET_IB_DRBL_2_P1(__n) \
(HQM_QSET0_IB_DRBL_2_P1 + (__n) * \
(HQM_QSET1_IB_DRBL_2_P1 - HQM_QSET0_IB_DRBL_2_P1))
#define CPE_Q_NUM(__fn, __q) (((__fn) << 2) + (__q))
#define RME_Q_NUM(__fn, __q) (((__fn) << 2) + (__q))
......
drivers/net/bna/bna.h
浏览文件 @ 1d32f769
......@@ -32,8 +32,6 @@ extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
/* Log string size */
#define BNA_MESSAGE_SIZE 256
#define bna_device_timer(_dev) bfa_timer_beat(&((_dev)->timer_mod))
/* MBOX API for PORT, TX, RX */
#define bna_mbox_qe_fill(_qe, _cmd, _cmd_len, _cbfn, _cbarg) \
do { \
......
drivers/net/bna/bnad.c
浏览文件 @ 1d32f769
......@@ -1425,13 +1425,24 @@ bnad_ioc_hb_check(unsigned long data)
}
static void
bnad_ioc_sem_timeout(unsigned long data)
bnad_iocpf_timeout(unsigned long data)
{
struct bnad *bnad = (struct bnad *)data;
unsigned long flags;
spin_lock_irqsave(&bnad->bna_lock, flags);
bfa_nw_ioc_sem_timeout((void *) &bnad->bna.device.ioc);
bfa_nw_iocpf_timeout((void *) &bnad->bna.device.ioc);
spin_unlock_irqrestore(&bnad->bna_lock, flags);
}
static void
bnad_iocpf_sem_timeout(unsigned long data)
{
struct bnad *bnad = (struct bnad *)data;
unsigned long flags;
spin_lock_irqsave(&bnad->bna_lock, flags);
bfa_nw_iocpf_sem_timeout((void *) &bnad->bna.device.ioc);
spin_unlock_irqrestore(&bnad->bna_lock, flags);
}
......@@ -3132,11 +3143,13 @@ bnad_pci_probe(struct pci_dev *pdev,
((unsigned long)bnad));
setup_timer(&bnad->bna.device.ioc.hb_timer, bnad_ioc_hb_check,
((unsigned long)bnad));
setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_ioc_sem_timeout,
setup_timer(&bnad->bna.device.ioc.iocpf_timer, bnad_iocpf_timeout,
((unsigned long)bnad));
setup_timer(&bnad->bna.device.ioc.sem_timer, bnad_iocpf_sem_timeout,
((unsigned long)bnad));
/* Now start the timer before calling IOC */
mod_timer(&bnad->bna.device.ioc.ioc_timer,
mod_timer(&bnad->bna.device.ioc.iocpf_timer,
jiffies + msecs_to_jiffies(BNA_IOC_TIMER_FREQ));
/*
......
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