diff options
| author |   Krishna Gudipati <kgudipat@brocade.com> | 2011-06-13 15:42:10 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2011-06-29 15:25:57 -0500 |
| commit | d37779f8d98a1d7c5ba904982958167d988f01dd (patch) | |
| tree | 8d73314ba2894c322494d3cfa06f3273b7ff1c35 /drivers/scsi/bfa/bfa_port.c | |
| parent | [SCSI] bfa: Introduced generic address len pair to represent DMA memory chunk. (diff) | |
| download | linux-dev-d37779f8d98a1d7c5ba904982958167d988f01dd.tar.xz linux-dev-d37779f8d98a1d7c5ba904982958167d988f01dd.zip | |
[SCSI] bfa: Introduce IOC event notification mechanism.
Introduced a generic event notification callback function that
receives IOC_ENABLED, IOC_DISABLED, IOC_FAILED events and notifies the
modules registered for these events.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_port.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_port.c | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/drivers/scsi/bfa/bfa_port.c b/drivers/scsi/bfa/bfa_port.c index 3f8e9d6066ec..5ebdb6297b4c 100644 --- a/drivers/scsi/bfa/bfa_port.c +++ b/drivers/scsi/bfa/bfa_port.c @@ -387,32 +387,43 @@ bfa_port_clear_stats(struct bfa_port_s *port, bfa_port_stats_cbfn_t cbfn, } /* - * bfa_port_hbfail() + * bfa_port_notify() * + * Port module IOC event handler * * @param[in] Pointer to the Port module data structure. + * @param[in] IOC event structure * * @return void */ void -bfa_port_hbfail(void *arg) +bfa_port_notify(void *arg, enum bfa_ioc_event_e event) { struct bfa_port_s *port = (struct bfa_port_s *) arg; - /* Fail any pending get_stats/clear_stats requests */ - if (port->stats_busy) { - if (port->stats_cbfn) - port->stats_cbfn(port->stats_cbarg, BFA_STATUS_FAILED); - port->stats_cbfn = NULL; - port->stats_busy = BFA_FALSE; - } - - /* Clear any enable/disable is pending */ - if (port->endis_pending) { - if (port->endis_cbfn) - port->endis_cbfn(port->endis_cbarg, BFA_STATUS_FAILED); - port->endis_cbfn = NULL; - port->endis_pending = BFA_FALSE; + switch (event) { + case BFA_IOC_E_DISABLED: + case BFA_IOC_E_FAILED: + /* Fail any pending get_stats/clear_stats requests */ + if (port->stats_busy) { + if (port->stats_cbfn) + port->stats_cbfn(port->stats_cbarg, + BFA_STATUS_FAILED); + port->stats_cbfn = NULL; + port->stats_busy = BFA_FALSE; + } + + /* Clear any enable/disable is pending */ + if (port->endis_pending) { + if (port->endis_cbfn) + port->endis_cbfn(port->endis_cbarg, + BFA_STATUS_FAILED); + port->endis_cbfn = NULL; + port->endis_pending = BFA_FALSE; + } + break; + default: + break; } } @@ -447,8 +458,8 @@ bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, port->endis_cbfn = NULL; bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port); - bfa_ioc_hbfail_init(&port->hbfail, bfa_port_hbfail, port); - list_add_tail(&port->hbfail.qe, &port->ioc->hb_notify_q); + bfa_ioc_notify_init(&port->ioc_notify, bfa_port_notify, port); + list_add_tail(&port->ioc_notify.qe, &port->ioc->notify_q); /* * initialize time stamp for stats reset |