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authorKrishna Gudipati <kgudipat@brocade.com>2011-07-21 02:02:11 +0200
committerJames Bottomley <JBottomley@Parallels.com>2011-07-27 12:48:52 +0200
commit37ea0558b87abb151245bc750070a4dcda490aca (patch)
tree352d00d22b8f9c91ace2dc8d72dc465deb6ffa7b /drivers/scsi/bfa/bfa.h
parent[SCSI] bfa: Add support for IO profiling. (diff)
downloadlinux-37ea0558b87abb151245bc750070a4dcda490aca.tar.xz
linux-37ea0558b87abb151245bc750070a4dcda490aca.zip
[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.h21
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__ */