diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2011-07-20 17:02:11 -0700 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-27 14:48:52 +0400 |
commit | 37ea0558b87abb151245bc750070a4dcda490aca (patch) | |
tree | 352d00d22b8f9c91ace2dc8d72dc465deb6ffa7b /drivers/scsi/bfa/bfa.h | |
parent | 42a8e6e298f39518445785c53a16357267db37ef (diff) | |
download | linux-37ea0558b87abb151245bc750070a4dcda490aca.tar.bz2 |
[SCSI] bfa: Added support to collect and reset fcport stats
- Added support to collect and reset fcport stats.
- Modified design to allow multiple requests for fcport stats.
- fcport will remember the stats request in its stats_pending
queue and service each of the queued requests after receiving
a firmware response for the prior request.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa.h')
-rw-r--r-- | drivers/scsi/bfa/bfa.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h index 6e3869a41cb9..32f46265daa5 100644 --- a/drivers/scsi/bfa/bfa.h +++ b/drivers/scsi/bfa/bfa.h @@ -27,6 +27,7 @@ struct bfa_s; typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m); +typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status); /* * Interrupt message handlers @@ -121,6 +122,7 @@ bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg), #define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \ (__hcb_qe)->cbfn = (__cbfn); \ (__hcb_qe)->cbarg = (__cbarg); \ + (__hcb_qe)->pre_rmv = BFA_FALSE; \ list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ } while (0) @@ -135,6 +137,11 @@ bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg), } \ } while (0) +#define bfa_cb_queue_status(__bfa, __hcb_qe, __status) do { \ + (__hcb_qe)->fw_status = (__status); \ + list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \ +} while (0) + #define bfa_cb_queue_done(__hcb_qe) do { \ (__hcb_qe)->once = BFA_FALSE; \ } while (0) @@ -408,4 +415,18 @@ void bfa_iocfc_disable(struct bfa_s *bfa); #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \ bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout) +struct bfa_cb_pending_q_s { + struct bfa_cb_qe_s hcb_qe; + void *data; /* Driver buffer */ +}; + +/* Common macros to operate on pending stats/attr apis */ +#define bfa_pending_q_init(__qe, __cbfn, __cbarg, __data) do { \ + bfa_q_qe_init(&((__qe)->hcb_qe.qe)); \ + (__qe)->hcb_qe.cbfn = (__cbfn); \ + (__qe)->hcb_qe.cbarg = (__cbarg); \ + (__qe)->hcb_qe.pre_rmv = BFA_TRUE; \ + (__qe)->data = (__data); \ +} while (0) + #endif /* __BFA_H__ */ |