RDMA/rxe: Remove key'ed object support

Now that rxe_mcast.c has it's own red-black tree support there is no
longer any requirement for key'ed objects in rxe pools. This patch removes
the key APIs and related code.

Link: https://lore.kernel.org/r/20220208211644.123457-7-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

1 files changed, 0 insertions, 38 deletions

diff --git a/drivers/infiniband/sw/rxe/rxe_pool.h b/drivers/infiniband/sw/rxe/rxe_pool.h
index 9201bb6b8b07..2db9d9872cd1 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.h
+++ b/drivers/infiniband/sw/rxe/rxe_pool.h
@@ -9,7 +9,6 @@
 
 enum rxe_pool_flags {
 	RXE_POOL_INDEX		= BIT(1),
-	RXE_POOL_KEY		= BIT(2),
 	RXE_POOL_NO_ALLOC	= BIT(4),
 };
 
@@ -32,9 +31,6 @@ struct rxe_pool_elem {
 	struct kref		ref_cnt;
 	struct list_head	list;
 
-	/* only used if keyed */
-	struct rb_node		key_node;
-
 	/* only used if indexed */
 	struct rb_node		index_node;
 	u32			index;
@@ -61,13 +57,6 @@ struct rxe_pool {
 		u32			max_index;
 		u32			min_index;
 	} index;
-
-	/* only used if keyed */
-	struct {
-		struct rb_root		tree;
-		size_t			key_offset;
-		size_t			key_size;
-	} key;
 };
 
 /* initialize a pool of objects with given limit on
@@ -112,26 +101,6 @@ void __rxe_drop_index(struct rxe_pool_elem *elem);
 
 #define rxe_drop_index(obj) __rxe_drop_index(&(obj)->elem)
 
-/* assign a key to a keyed object and insert object into
- * pool's rb tree holding and not holding pool_lock
- */
-int __rxe_add_key_locked(struct rxe_pool_elem *elem, void *key);
-
-#define rxe_add_key_locked(obj, key) __rxe_add_key_locked(&(obj)->elem, key)
-
-int __rxe_add_key(struct rxe_pool_elem *elem, void *key);
-
-#define rxe_add_key(obj, key) __rxe_add_key(&(obj)->elem, key)
-
-/* remove elem from rb tree holding and not holding the pool_lock */
-void __rxe_drop_key_locked(struct rxe_pool_elem *elem);
-
-#define rxe_drop_key_locked(obj) __rxe_drop_key_locked(&(obj)->elem)
-
-void __rxe_drop_key(struct rxe_pool_elem *elem);
-
-#define rxe_drop_key(obj) __rxe_drop_key(&(obj)->elem)
-
 /* lookup an indexed object from index holding and not holding the pool_lock.
  * takes a reference on object
  */
@@ -139,13 +108,6 @@ void *rxe_pool_get_index_locked(struct rxe_pool *pool, u32 index);
 
 void *rxe_pool_get_index(struct rxe_pool *pool, u32 index);
 
-/* lookup keyed object from key holding and not holding the pool_lock.
- * takes a reference on the objecti
- */
-void *rxe_pool_get_key_locked(struct rxe_pool *pool, void *key);
-
-void *rxe_pool_get_key(struct rxe_pool *pool, void *key);
-
 /* cleanup an object when all references are dropped */
 void rxe_elem_release(struct kref *kref);