[SCSI] bfa: IOC bug fixes.
- Add logic to handle the case where PCI mapping goes away when IOCPF state machine is waiting for semaphore. - Added logic to unlock hw semaphore if the previos FW boot was from flash based and the current FW initialization attempt is from OS. - Added fix to update hbfails and hb_count stats during hwerror event. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
parent
1a4d8e1bd8
commit
5a0adaedff
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@ -274,6 +274,7 @@ enum bfa_ioc_state {
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BFA_IOC_DISABLED = 10, /* IOC is disabled */
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BFA_IOC_FWMISMATCH = 11, /* IOC f/w different from drivers */
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BFA_IOC_ENABLING = 12, /* IOC is being enabled */
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BFA_IOC_HWFAIL = 13, /* PCI mapping doesn't exist */
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};
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/*
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@ -303,6 +304,7 @@ struct bfa_ioc_drv_stats_s {
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u32 enable_reqs;
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u32 disable_replies;
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u32 enable_replies;
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u32 rsvd;
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};
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/*
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@ -112,6 +112,7 @@ enum ioc_event {
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IOC_E_HBFAIL = 9, /* heartbeat failure */
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IOC_E_HWERROR = 10, /* hardware error interrupt */
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IOC_E_TIMEOUT = 11, /* timeout */
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IOC_E_HWFAILED = 12, /* PCI mapping failure notice */
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};
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bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event);
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@ -123,6 +124,7 @@ bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event);
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bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event);
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bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event);
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bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event);
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bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event);
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static struct bfa_sm_table_s ioc_sm_table[] = {
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{BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
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@ -134,6 +136,7 @@ static struct bfa_sm_table_s ioc_sm_table[] = {
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{BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
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{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
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{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
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{BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL},
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};
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/*
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@ -176,6 +179,7 @@ enum iocpf_event {
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IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */
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IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */
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IOCPF_E_TIMEOUT = 11, /* f/w response timeout */
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IOCPF_E_SEM_ERROR = 12, /* h/w sem mapping error */
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};
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/*
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@ -322,6 +326,11 @@ bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event)
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bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
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break;
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case IOC_E_HWFAILED:
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ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
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bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
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break;
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case IOC_E_DISABLE:
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bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
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break;
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@ -465,6 +474,11 @@ bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event)
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bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
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break;
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case IOC_E_HWFAILED:
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bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
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bfa_ioc_disable_comp(ioc);
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break;
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default:
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bfa_sm_fault(ioc, event);
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}
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@ -534,6 +548,11 @@ bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event)
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bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
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break;
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case IOC_E_HWFAILED:
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ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
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bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
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break;
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case IOC_E_ENABLE:
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break;
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@ -591,6 +610,35 @@ bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event)
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}
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}
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static void
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bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc)
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{
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bfa_trc(ioc, 0);
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}
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static void
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bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event)
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{
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bfa_trc(ioc, event);
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switch (event) {
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case IOC_E_ENABLE:
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ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
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break;
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case IOC_E_DISABLE:
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ioc->cbfn->disable_cbfn(ioc->bfa);
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break;
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case IOC_E_DETACH:
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bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
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break;
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default:
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bfa_sm_fault(ioc, event);
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}
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}
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/*
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* IOCPF State Machine
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*/
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@ -634,6 +682,28 @@ bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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static void
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bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf)
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{
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struct bfi_ioc_image_hdr_s fwhdr;
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u32 fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate);
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/* h/w sem init */
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if (fwstate == BFI_IOC_UNINIT)
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goto sem_get;
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bfa_ioc_fwver_get(iocpf->ioc, &fwhdr);
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if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL)
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goto sem_get;
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bfa_trc(iocpf->ioc, fwstate);
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bfa_trc(iocpf->ioc, fwhdr.exec);
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writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.ioc_fwstate);
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/*
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* Try to lock and then unlock the semaphore.
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*/
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readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
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writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
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sem_get:
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bfa_ioc_hw_sem_get(iocpf->ioc);
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}
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@ -664,6 +734,11 @@ bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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}
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break;
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case IOCPF_E_SEM_ERROR:
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
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bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
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break;
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case IOCPF_E_DISABLE:
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bfa_sem_timer_stop(ioc);
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
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@ -757,6 +832,11 @@ bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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}
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break;
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case IOCPF_E_SEM_ERROR:
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
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bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
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break;
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case IOCPF_E_DISABLE:
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bfa_sem_timer_stop(ioc);
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
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@ -957,6 +1037,11 @@ bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
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break;
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case IOCPF_E_SEM_ERROR:
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
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bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
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break;
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case IOCPF_E_FAIL:
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break;
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@ -1000,6 +1085,7 @@ bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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static void
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bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf)
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{
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bfa_ioc_debug_save_ftrc(iocpf->ioc);
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bfa_ioc_hw_sem_get(iocpf->ioc);
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}
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@ -1022,6 +1108,11 @@ bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
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break;
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case IOCPF_E_SEM_ERROR:
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
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bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
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break;
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case IOCPF_E_DISABLE:
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bfa_sem_timer_stop(ioc);
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
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@ -1044,6 +1135,7 @@ bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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static void
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bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf)
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{
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bfa_trc(iocpf->ioc, 0);
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}
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/*
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@ -1113,6 +1205,11 @@ bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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}
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break;
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case IOCPF_E_SEM_ERROR:
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
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bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
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break;
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case IOCPF_E_DISABLE:
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bfa_sem_timer_stop(ioc);
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bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
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@ -1129,6 +1226,7 @@ bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
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static void
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bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf)
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{
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bfa_trc(iocpf->ioc, 0);
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}
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/*
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@ -1195,7 +1293,6 @@ bfa_ioc_sem_get(void __iomem *sem_reg)
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if (!(r32 & 1))
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return BFA_TRUE;
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WARN_ON(cnt >= BFA_SEM_SPINCNT);
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return BFA_FALSE;
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}
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@ -1209,6 +1306,11 @@ bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc)
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* will return 1. Semaphore is released by writing 1 to the register
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*/
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r32 = readl(ioc->ioc_regs.ioc_sem_reg);
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if (r32 == ~0) {
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WARN_ON(r32 == ~0);
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bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR);
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return;
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}
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if (!(r32 & 1)) {
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bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
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return;
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@ -1617,6 +1719,7 @@ bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc)
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attr->adapter_prop = be32_to_cpu(attr->adapter_prop);
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attr->card_type = be32_to_cpu(attr->card_type);
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attr->maxfrsize = be16_to_cpu(attr->maxfrsize);
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ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC);
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bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
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}
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@ -1733,6 +1836,7 @@ bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz)
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/*
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* release semaphore.
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*/
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readl(ioc->ioc_regs.ioc_init_sem_reg);
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writel(1, ioc->ioc_regs.ioc_init_sem_reg);
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bfa_trc(ioc, pgnum);
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@ -1789,6 +1893,7 @@ bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz)
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/*
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* release semaphore.
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*/
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readl(ioc->ioc_regs.ioc_init_sem_reg);
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writel(1, ioc->ioc_regs.ioc_init_sem_reg);
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bfa_trc(ioc, pgnum);
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return BFA_STATUS_OK;
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@ -1840,6 +1945,7 @@ bfa_ioc_pll_init(struct bfa_ioc_s *ioc)
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/*
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* release semaphore.
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*/
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readl(ioc->ioc_regs.ioc_init_sem_reg);
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writel(1, ioc->ioc_regs.ioc_init_sem_reg);
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return BFA_STATUS_OK;
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@ -2232,6 +2338,8 @@ bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc)
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void
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bfa_ioc_error_isr(struct bfa_ioc_s *ioc)
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{
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bfa_ioc_stats(ioc, ioc_hbfails);
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ioc->stats.hb_count = ioc->hb_count;
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bfa_fsm_send_event(ioc, IOC_E_HWERROR);
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}
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@ -2354,15 +2462,12 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
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enum bfa_ioc_type_e
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bfa_ioc_get_type(struct bfa_ioc_s *ioc)
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{
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enum bfi_port_mode mode;
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if (ioc->clscode == BFI_PCIFN_CLASS_ETH)
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return BFA_IOC_TYPE_LL;
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WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC);
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mode = (ioc->port_id == 0) ? ioc->port0_mode : ioc->port1_mode;
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return (mode == BFI_PORT_MODE_FC)
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return (ioc->attr->port_mode == BFI_PORT_MODE_FC)
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? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE;
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}
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@ -2739,6 +2844,7 @@ static void
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bfa_ioc_recover(struct bfa_ioc_s *ioc)
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{
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bfa_ioc_stats(ioc, ioc_hbfails);
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ioc->stats.hb_count = ioc->hb_count;
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bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
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}
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@ -69,21 +69,6 @@ bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc)
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static bfa_boolean_t
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bfa_ioc_cb_firmware_lock(struct bfa_ioc_s *ioc)
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{
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struct bfi_ioc_image_hdr_s fwhdr;
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uint32_t fwstate = readl(ioc->ioc_regs.ioc_fwstate);
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if (fwstate == BFI_IOC_UNINIT)
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return BFA_TRUE;
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bfa_ioc_fwver_get(ioc, &fwhdr);
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if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL)
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return BFA_TRUE;
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bfa_trc(ioc, fwstate);
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bfa_trc(ioc, fwhdr.exec);
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writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
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return BFA_TRUE;
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}
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@ -57,12 +57,6 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
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u32 usecnt;
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struct bfi_ioc_image_hdr_s fwhdr;
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/*
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* Firmware match check is relevant only for CNA.
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*/
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if (!bfa_ioc_is_cna(ioc))
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return BFA_TRUE;
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/*
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* If bios boot (flash based) -- do not increment usage count
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*/
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@ -78,6 +72,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
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*/
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if (usecnt == 0) {
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writel(1, ioc->ioc_regs.ioc_usage_reg);
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readl(ioc->ioc_regs.ioc_usage_sem_reg);
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writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
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writel(0, ioc->ioc_regs.ioc_fail_sync);
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bfa_trc(ioc, usecnt);
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@ -97,6 +92,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
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*/
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bfa_ioc_fwver_get(ioc, &fwhdr);
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if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) {
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readl(ioc->ioc_regs.ioc_usage_sem_reg);
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writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
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bfa_trc(ioc, usecnt);
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return BFA_FALSE;
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@ -107,6 +103,7 @@ bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
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*/
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usecnt++;
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writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
|
||||
readl(ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
bfa_trc(ioc, usecnt);
|
||||
return BFA_TRUE;
|
||||
|
@ -117,12 +114,6 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
|
|||
{
|
||||
u32 usecnt;
|
||||
|
||||
/*
|
||||
* Firmware lock is relevant only for CNA.
|
||||
*/
|
||||
if (!bfa_ioc_is_cna(ioc))
|
||||
return;
|
||||
|
||||
/*
|
||||
* If bios boot (flash based) -- do not decrement usage count
|
||||
*/
|
||||
|
@ -141,6 +132,7 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
|
|||
writel(usecnt, ioc->ioc_regs.ioc_usage_reg);
|
||||
bfa_trc(ioc, usecnt);
|
||||
|
||||
readl(ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
}
|
||||
|
||||
|
@ -344,7 +336,11 @@ bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc)
|
|||
static void
|
||||
bfa_ioc_ct2_map_port(struct bfa_ioc_s *ioc)
|
||||
{
|
||||
ioc->port_id = bfa_ioc_pcifn(ioc) % 2;
|
||||
void __iomem *rb = ioc->pcidev.pci_bar_kva;
|
||||
u32 r32;
|
||||
|
||||
r32 = readl(rb + CT2_HOSTFN_PERSONALITY0);
|
||||
ioc->port_id = ((r32 & __FC_LL_PORT_MAP__MK) >> __FC_LL_PORT_MAP__SH);
|
||||
|
||||
bfa_trc(ioc, bfa_ioc_pcifn(ioc));
|
||||
bfa_trc(ioc, ioc->port_id);
|
||||
|
@ -407,6 +403,7 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc)
|
|||
if (bfa_ioc_is_cna(ioc)) {
|
||||
bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
writel(0, ioc->ioc_regs.ioc_usage_reg);
|
||||
readl(ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
writel(1, ioc->ioc_regs.ioc_usage_sem_reg);
|
||||
}
|
||||
|
||||
|
|
|
@ -236,7 +236,8 @@ struct bfi_ioc_attr_s {
|
|||
wwn_t mfg_pwwn; /* Mfg port wwn */
|
||||
wwn_t mfg_nwwn; /* Mfg node wwn */
|
||||
mac_t mfg_mac; /* Mfg mac */
|
||||
u16 rsvd_a;
|
||||
u8 port_mode; /* bfi_port_mode */
|
||||
u8 rsvd_a;
|
||||
wwn_t pwwn;
|
||||
wwn_t nwwn;
|
||||
mac_t mac; /* PBC or Mfg mac */
|
||||
|
|
Loading…
Reference in a new issue