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authorKrishna Gudipati <kgudipat@brocade.com>2011-07-21 02:04:03 +0200
committerJames Bottomley <JBottomley@Parallels.com>2011-07-27 12:55:03 +0200
commit83763d591b343b07331cebe86715205230c568b1 (patch)
tree3d81bae3ca6ddcee24415001b1dd8ed2d27e3599 /drivers/scsi/bfa/bfa_fcpim.h
parent[SCSI] bfa: Add support to store driver configuration in flash. (diff)
downloadlinux-83763d591b343b07331cebe86715205230c568b1.tar.xz
linux-83763d591b343b07331cebe86715205230c568b1.zip
[SCSI] bfa: Introduced initiator based lun masking feature.
- Added support to enable initiator based lun masking. - Initiator based Lun masking works similar to zoning where initiator port is allowed to see only those LUNs which are configured to be seen. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcpim.h')
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
index c224987b9c30..99fc913929b6 100644
--- a/drivers/scsi/bfa/bfa_fcpim.h
+++ b/drivers/scsi/bfa/bfa_fcpim.h
@@ -110,6 +110,7 @@ struct bfad_ioim_s;
struct bfad_tskim_s;
typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim);
+typedef bfa_boolean_t (*bfa_ioim_lm_proc_rsp_data_t) (struct bfa_ioim_s *ioim);
struct bfa_fcpim_s {
struct bfa_s *bfa;
@@ -123,7 +124,7 @@ struct bfa_fcpim_s {
u32 path_tov;
u16 q_depth;
u8 reqq; /* Request queue to be used */
- u8 rsvd;
+ u8 lun_masking_pending;
struct list_head itnim_q; /* queue of active itnim */
struct list_head ioim_resfree_q; /* IOs waiting for f/w */
struct list_head ioim_comp_q; /* IO global comp Q */
@@ -178,7 +179,9 @@ struct bfa_ioim_s {
bfa_cb_cbfn_t io_cbfn; /* IO completion handler */
struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */
u8 reqq; /* Request queue for I/O */
+ u8 mode; /* IO is passthrough or not */
u64 start_time; /* IO's Profile start val */
+ bfa_ioim_lm_proc_rsp_data_t proc_rsp_data; /* RSP data adjust */
};
struct bfa_ioim_sp_s {
@@ -258,6 +261,10 @@ struct bfa_itnim_s {
(__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \
} while (0)
+#define BFA_IOIM_TO_LPS(__ioim) \
+ BFA_LPS_FROM_TAG(BFA_LPS_MOD(__ioim->bfa), \
+ __ioim->itnim->rport->rport_info.lp_tag)
+
static inline bfa_boolean_t
bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim)
{
@@ -407,4 +414,7 @@ void bfa_tskim_start(struct bfa_tskim_s *tskim,
void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk,
enum bfi_tskim_status tsk_status);
+void bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn,
+ wwn_t rp_wwn, u16 rp_tag, u8 lp_tag);
+
#endif /* __BFA_FCPIM_H__ */