diff options
author | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
commit | 56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch) | |
tree | b902491aef3a99efe0d9d49edd0f6e414dba654f /drivers/net/bna/bfa_ioc.c | |
parent | 2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff) | |
parent | f878133bf022717b880d0e0995b8f91436fd605c (diff) |
Merge branch 'linus' into idle-test
Diffstat (limited to 'drivers/net/bna/bfa_ioc.c')
-rw-r--r-- | drivers/net/bna/bfa_ioc.c | 1219 |
1 files changed, 890 insertions, 329 deletions
diff --git a/drivers/net/bna/bfa_ioc.c b/drivers/net/bna/bfa_ioc.c index e94e5aa9751..34933cb9569 100644 --- a/drivers/net/bna/bfa_ioc.c +++ b/drivers/net/bna/bfa_ioc.c @@ -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. */ @@ -55,11 +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_is_optrom(__ioc) \ - (bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(__ioc)) < BFA_IOC_FWIMG_MINSZ) +#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)) || \ @@ -85,6 +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); @@ -101,72 +93,173 @@ static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer); static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); -static mac_t bfa_ioc_get_mfg_mac(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: @@ -174,6 +267,7 @@ 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: @@ -181,42 +275,43 @@ 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_enabling_entry(struct bfa_ioc *ioc) { - bfa_ioc_hw_sem_get(ioc); + bfa_iocpf_enable(ioc); } /** - * Awaiting h/w semaphore to continue with version check. + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. */ static void -bfa_ioc_sm_fwcheck(struct bfa_ioc *ioc, enum ioc_event event) +bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { - case IOC_E_SEMLOCKED: - if (bfa_ioc_firmware_lock(ioc)) { - ioc->retry_count = 0; - bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); - } else { - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_mismatch); - } + 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_ioc_disable_comp(ioc); - /* fall through */ + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; case IOC_E_DETACH: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); + bfa_iocpf_stop(ioc); break; - case IOC_E_FWREADY: + case IOC_E_ENABLE: break; default: @@ -225,41 +320,85 @@ bfa_ioc_sm_fwcheck(struct bfa_ioc *ioc, enum ioc_event event) } /** - * Notify enable completion callback and generate mismatch AEN. + * Semaphore should be acquired for version check. */ static void -bfa_ioc_sm_mismatch_entry(struct bfa_ioc *ioc) +bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) { - /** - * 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); + mod_timer(&ioc->ioc_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_send_getattr(ioc); } /** - * Awaiting firmware version match. + * IOC configuration in progress. Timer is active. */ static void -bfa_ioc_sm_mismatch(struct bfa_ioc *ioc, enum ioc_event event) +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: - bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck); + 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: - bfa_ioc_disable_comp(ioc); - /* fall through */ + del_timer(&ioc->ioc_timer); + bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + break; - case IOC_E_DETACH: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); + 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_FWREADY: + 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: @@ -267,30 +406,61 @@ bfa_ioc_sm_mismatch(struct bfa_ioc *ioc, enum ioc_event event) } } +static void +bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) +{ + bfa_iocpf_disable(ioc); +} + /** - * Request for semaphore. + * IOC is being desabled */ static void -bfa_ioc_sm_semwait_entry(struct bfa_ioc *ioc) +bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) { - bfa_ioc_hw_sem_get(ioc); + 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); + } } /** - * Awaiting semaphore for h/w initialzation. + * IOC desable completion entry. */ static void -bfa_ioc_sm_semwait(struct bfa_ioc *ioc, enum ioc_event event) +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_SEMLOCKED: - ioc->retry_count = 0; - bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit); + case IOC_E_ENABLE: + bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); break; case IOC_E_DISABLE: - bfa_ioc_hw_sem_get_cancel(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + 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: @@ -299,46 +469,45 @@ bfa_ioc_sm_semwait(struct bfa_ioc *ioc, enum ioc_event event) } static void -bfa_ioc_sm_hwinit_entry(struct bfa_ioc *ioc) +bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) { - bfa_ioc_timer_start(ioc); - bfa_ioc_reset(ioc, false); } /** - * @brief - * Hardware is being initialized. Interrupts are enabled. - * Holding hardware semaphore lock. + * Hardware initialization retry. */ static void -bfa_ioc_sm_hwinit(struct bfa_ioc *ioc, enum ioc_event event) +bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { - case IOC_E_FWREADY: - bfa_ioc_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); + case IOC_E_ENABLED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); break; + case IOC_E_PFAILED: case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); - /* fall through */ + /** + * 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_TIMEOUT: - ioc->retry_count++; - if (ioc->retry_count < BFA_IOC_HWINIT_MAX) { - bfa_ioc_timer_start(ioc); - bfa_ioc_reset(ioc, true); - break; - } + case IOC_E_INITFAILED: + bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); + break; - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + case IOC_E_ENABLE: break; case IOC_E_DISABLE: - 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(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: @@ -347,51 +516,248 @@ bfa_ioc_sm_hwinit(struct bfa_ioc *ioc, enum ioc_event event) } static void -bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) +bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) { - bfa_ioc_timer_start(ioc); - bfa_ioc_send_enable(ioc); } /** - * Host IOC function is being enabled, awaiting response from firmware. - * Semaphore is acquired. + * IOC failure. */ static void -bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) +bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) { switch (event) { - case IOC_E_FWRSP_ENABLE: - bfa_ioc_timer_stop(ioc); - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); + 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: - bfa_ioc_timer_stop(ioc); - /* fall through */ + /* HB failure notification, ignore. */ + break; - 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; + 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_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_SEMLOCKED: + if (bfa_ioc_firmware_lock(ioc)) { + 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(iocpf, bfa_iocpf_sm_mismatch); } + break; - bfa_nw_ioc_hw_sem_release(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail); + case IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + bfa_ioc_pf_disabled(ioc); break; - case IOC_E_DISABLE: - bfa_ioc_timer_stop(ioc); + case IOCPF_E_STOP: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * Notify enable completion callback + */ +static void +bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) +{ + /* 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_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_TIMEOUT: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); + break; + + 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 IOCPF_E_STOP: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * Request for semaphore. + */ +static void +bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_hw_sem_get(iocpf->ioc); +} + +/** + * Awaiting semaphore for h/w initialzation. + */ +static void +bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + 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 IOCPF_E_DISABLE: + bfa_ioc_hw_sem_get_cancel(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + default: + bfa_sm_fault(ioc, event); + } +} + +static void +bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) +{ + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_reset(iocpf->ioc, 0); +} + +/** + * Hardware is being initialized. Interrupts are enabled. + * Holding hardware semaphore lock. + */ +static void +bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + switch (event) { + case IOCPF_E_FWREADY: + del_timer(&ioc->iocpf_timer); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); + 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_disabled); + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; - case IOC_E_FWREADY: - bfa_ioc_send_enable(ioc); + case IOCPF_E_DISABLE: + del_timer(&ioc->iocpf_timer); + bfa_ioc_sync_leave(ioc); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); break; default: @@ -400,37 +766,49 @@ bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) } static void -bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) +bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) { - bfa_ioc_timer_start(ioc); - bfa_ioc_send_getattr(ioc); + mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + + msecs_to_jiffies(BFA_IOC_TOV)); + bfa_ioc_send_enable(iocpf->ioc); } /** - * @brief - * IOC configuration in progress. Timer is active. + * Host IOC function is being enabled, awaiting response from firmware. + * Semaphore is acquired. */ static void -bfa_ioc_sm_getattr(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_GETATTR: - bfa_ioc_timer_stop(ioc); - bfa_ioc_check_attr_wwns(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_op); + case IOCPF_E_FWRSP_ENABLE: + del_timer(&ioc->iocpf_timer); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); break; - case IOC_E_HWERROR: - bfa_ioc_timer_stop(ioc); - /* fall through */ + case IOCPF_E_INITFAIL: + del_timer(&ioc->iocpf_timer); + /* + * !!! fall through !!! + */ + case IOCPF_E_TIMEOUT: + bfa_nw_ioc_hw_sem_release(ioc); + if (event == IOCPF_E_TIMEOUT) + bfa_ioc_pf_failed(ioc); + 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_DISABLE: + del_timer(&ioc->iocpf_timer); + bfa_nw_ioc_hw_sem_release(ioc); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 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_send_enable(ioc); break; default: @@ -438,36 +816,42 @@ bfa_ioc_sm_getattr(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_op_entry(struct bfa_ioc *ioc) +bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) { - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); - bfa_ioc_hb_monitor(ioc); + bfa_ioc_pf_enabled(iocpf->ioc); } static void -bfa_ioc_sm_op(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_ENABLE: + case IOCPF_E_DISABLE: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); break; - case IOC_E_DISABLE: - bfa_ioc_hb_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); + case IOCPF_E_GETATTRFAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); break; - case IOC_E_HWERROR: - case IOC_E_FWREADY: - /** - * Hard error or IOC recovery by other function. - * Treat it same as heartbeat failure. - */ - bfa_ioc_hb_stop(ioc); - /* !!! fall through !!! */ + case IOCPF_E_FAIL: + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); + break; - case IOC_E_HBFAIL: - bfa_fsm_set_state(ioc, bfa_ioc_sm_hbfail); + 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: @@ -476,33 +860,40 @@ 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_entry(struct bfa_iocpf *iocpf) { - bfa_ioc_timer_start(ioc); - bfa_ioc_send_disable(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_disabling(struct bfa_ioc *ioc, enum ioc_event event) +bfa_iocpf_sm_disabling(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_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: - bfa_ioc_timer_stop(ioc); + case IOCPF_E_FAIL: + del_timer(&ioc->iocpf_timer); /* * !!! fall through !!! */ - case IOC_E_TIMEOUT: + case IOCPF_E_TIMEOUT: writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); + bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); + break; + + case IOCPF_E_FWRSP_ENABLE: break; default: @@ -510,33 +901,58 @@ 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_disabling_sync_entry(struct bfa_iocpf *iocpf) { - bfa_ioc_disable_comp(ioc); + bfa_ioc_hw_sem_get(iocpf->ioc); } +/** + * IOC hb ack request is being removed. + */ static void -bfa_ioc_sm_disabled(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_ENABLE: - bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait); + 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_DISABLE: - ioc->cbfn->disable_cbfn(ioc->bfa); + case IOCPF_E_FAIL: break; - case IOC_E_FWREADY: + default: + bfa_sm_fault(ioc, event); + } +} + +/** + * IOC disable completion entry. + */ +static void +bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) +{ + bfa_ioc_pf_disabled(iocpf->ioc); +} + +static void +bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) +{ + struct bfa_ioc *ioc = iocpf->ioc; + + 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: @@ -545,33 +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: @@ -580,80 +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); } } @@ -678,14 +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) { @@ -725,7 +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; } @@ -865,12 +1318,6 @@ bfa_ioc_fwver_valid(struct bfa_ioc *ioc) { struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr; - /** - * If bios/efi boot (flash based) -- return true - */ - if (bfa_ioc_is_optrom(ioc)) - return true; - bfa_nw_ioc_fwver_get(ioc, &fwhdr); drv_fwhdr = (struct bfi_ioc_image_hdr *) bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); @@ -934,20 +1381,15 @@ bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) /** * If IOC function is disabled and firmware version is same, * just re-enable IOC. - * - * If option rom, IOC must not be in operational state. With - * convergence, IOC will be in operational state when 2nd driver - * is loaded. */ - if (ioc_fwstate == BFI_IOC_DISABLED || - (!bfa_ioc_is_optrom(ioc) && ioc_fwstate == BFI_IOC_OP)) { + if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { /** * When using MSI-X any pending firmware ready event should * be flushed. Otherwise MSI-X interrupts are not delivered. */ 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; } @@ -1033,7 +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 { @@ -1078,11 +1519,6 @@ bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, */ bfa_ioc_lmem_init(ioc); - /** - * Flash based firmware boot - */ - if (bfa_ioc_is_optrom(ioc)) - boot_type = BFI_BOOT_TYPE_FLASH; fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); pgnum = bfa_ioc_smem_pgnum(ioc, loff); @@ -1209,6 +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 */ @@ -1304,6 +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; @@ -1314,15 +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: @@ -1348,11 +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); } /** @@ -1657,7 +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 @@ -1689,28 +2210,7 @@ bfa_ioc_get_pwwn(struct bfa_ioc *ioc) mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) { - /* - * Currently mfg mac is used as FCoE enode mac (not configured by PBC) - */ - if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE) - return bfa_ioc_get_mfg_mac(ioc); - else - return ioc->attr->mac; -} - -static mac_t -bfa_ioc_get_mfg_mac(struct bfa_ioc *ioc) -{ - mac_t m; - - m = ioc->attr->mfg_mac; - if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type)) - m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); - else - bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]), - bfa_ioc_pcifn(ioc)); - - return m; + return ioc->attr->mac; } /** @@ -1719,8 +2219,13 @@ bfa_ioc_get_mfg_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 @@ -1728,5 +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); } |