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| author | Krishna Gudipati <kgudipat@brocade.com> | 2012-09-21 17:24:21 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-10-07 11:11:13 +0100 |
| commit | 7ac83b1fd027a07b159940ccc8b5d57aaad7cc5f (patch) | |
| tree | f8d23200ded3935b5b8d899480d1e3c6e3c241df /drivers/scsi/bfa/bfa_core.c | |
| parent | bc0e2c2a97c1747ac0ade9b8620b14079e69fe3d (diff) | |
| download | linux-stable-7ac83b1fd027a07b159940ccc8b5d57aaad7cc5f.tar.gz linux-stable-7ac83b1fd027a07b159940ccc8b5d57aaad7cc5f.tar.bz2 linux-stable-7ac83b1fd027a07b159940ccc8b5d57aaad7cc5f.zip | |
[SCSI] bfa: IOCFC state machine enhancements
- Add support to handle STOP/DISABLE events in the IOCFC state machine.
- Made changes to bring the IOC down on a flash driver config read failure.
- Added logic to clean the use count and fail sync registers during IOCFC init.
Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_core.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_core.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index b7c326f7a6d0..837879de72c3 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -274,6 +274,15 @@ bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event) case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read); break; + + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; @@ -298,6 +307,15 @@ bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event) case IOCFC_E_DCONF_DONE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait); break; + + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; @@ -322,6 +340,15 @@ bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) case IOCFC_E_CFG_DONE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done); break; + + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; @@ -433,6 +460,12 @@ bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event) bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, iocfc->bfa); break; + + case IOCFC_E_IOC_ENABLED: + case IOCFC_E_DCONF_DONE: + case IOCFC_E_CFG_DONE: + break; + default: bfa_sm_fault(iocfc->bfa, event); break; @@ -454,6 +487,15 @@ bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait); break; + + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); + break; + case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); @@ -493,6 +535,13 @@ bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) bfa_iocfc_enable_cb, iocfc->bfa); iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; break; + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); + break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) @@ -524,6 +573,10 @@ bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) case IOCFC_E_IOC_DISABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled); break; + case IOCFC_E_IOC_ENABLED: + case IOCFC_E_DCONF_DONE: + case IOCFC_E_CFG_DONE: + break; default: bfa_sm_fault(iocfc->bfa, event); break; |