[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>
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 75ca875..ffc19ac 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -731,8 +731,7 @@
/*
* Unlock the hw semaphore. Should be here only once per boot.
*/
- readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
- writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
+ bfa_ioc_ownership_reset(iocpf->ioc);
/*
* unlock init semaphore.
@@ -2923,7 +2922,7 @@
return;
}
- if (ioc->iocpf.poll_time >= BFA_IOC_TOV)
+ if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV))
bfa_iocpf_timeout(ioc);
else {
ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
@@ -5615,7 +5614,7 @@
}
bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read);
bfa_timer_start(dconf->bfa, &dconf->timer,
- bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
+ bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV);
bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa),
BFA_FLASH_PART_DRV, dconf->instance,
dconf->dconf,
@@ -5655,7 +5654,7 @@
break;
case BFA_DCONF_SM_TIMEOUT:
bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
- bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED);
+ bfa_ioc_suspend(&dconf->bfa->ioc);
break;
case BFA_DCONF_SM_EXIT:
bfa_timer_stop(&dconf->timer);
@@ -5853,7 +5852,6 @@
struct bfa_s *bfa = arg;
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
- bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
if (status == BFA_STATUS_OK) {
bfa_dconf_read_data_valid(bfa) = BFA_TRUE;
if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE)
@@ -5861,6 +5859,7 @@
if (dconf->dconf->hdr.version != BFI_DCONF_VERSION)
dconf->dconf->hdr.version = BFI_DCONF_VERSION;
}
+ bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE);
}