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authorKrishna Gudipati <kgudipat@brocade.com>2012-09-21 17:26:41 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-10-07 11:21:29 +0100
commit7ace27ae28a5fa67fa3d25f31d1111991c81e015 (patch)
tree841612f109ef2b32d15613aa8093d683a6261356 /drivers/scsi/bfa/bfad_bsg.h
parent6894f013a71b1bcd09f46b8071f0c6b55fc58139 (diff)
[SCSI] bfa: Add support for IO throttling at port level
Add capability to limit the number of exchanges on a port to avoid queue-full conditions from the target side. Signed-off-by: Sudarsana Reddy Kalluru <skalluru@brocade.com> Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfad_bsg.h')
-rw-r--r--drivers/scsi/bfa/bfad_bsg.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index b67a2292cff3..37922b96079b 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/drivers/scsi/bfa/bfad_bsg.h
@@ -145,6 +145,8 @@ enum {
IOCMD_DIAG_DPORT_DISABLE,
IOCMD_DIAG_DPORT_GET_STATE,
IOCMD_QOS_SET_BW,
+ IOCMD_FCPIM_THROTTLE_QUERY,
+ IOCMD_FCPIM_THROTTLE_SET
};
struct bfa_bsg_gen_s {
@@ -740,6 +742,13 @@ struct bfa_bsg_fcpim_lunmask_s {
struct scsi_lun lun;
};
+struct bfa_bsg_fcpim_throttle_s {
+ bfa_status_t status;
+ u16 bfad_num;
+ u16 vf_id;
+ struct bfa_defs_fcpim_throttle_s throttle;
+};
+
struct bfa_bsg_fcpt_s {
bfa_status_t status;
u16 vf_id;