[PATCH 06/20] Added a basic rxe_mw struct

[Bob Pearson <rpearsonhpe@xxxxxxxxx>]

Created the new basic rxe_mw structure.

Signed-off-by: Bob Pearson <rpearson@xxxxxxx>
---
 drivers/infiniband/sw/rxe/rxe_verbs.h | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index f3f1a58e894b..6a4486893b86 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -347,6 +347,20 @@ struct rxe_mr {
 	struct rxe_map		**map;
 };
 
+enum rxe_mw_state {
+	RXE_MW_STATE_INVALID,
+	RXE_MW_STATE_FREE,
+	RXE_MW_STATE_VALID,
+};
+
+struct rxe_mw {
+	struct rxe_pool_entry	pelem;
+	struct ib_mw		ibmw;
+	struct rxe_qp		*qp;	/* type 2B only */
+	struct rxe_mem		*mr;
+	enum rxe_mw_state	state;
+};
+
 struct rxe_mc_grp {
 	struct rxe_pool_entry	pelem;
 	spinlock_t		mcg_lock; /* guard group */
@@ -457,10 +471,10 @@ static inline struct rxe_mr *to_rmr(struct ib_mr *mr)
 	return mr ? container_of(mr, struct rxe_mr, ibmr) : NULL;
 }
 
-//static inline struct rxe_mw *to_rmw(struct ib_mw *mw)
-//{
-	//return mw ? container_of(mw, struct rxe_mw, ibmw) : NULL;
-//}
+static inline struct rxe_mw *to_rmw(struct ib_mw *mw)
+{
+	return mw ? container_of(mw, struct rxe_mw, ibmw) : NULL;
+}
 
 int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name);
 
-- 
2.25.1