From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/infiniband/sw/rxe/rxe_pool.h | 48 +++++++++---------------------------------------
1 files changed, 9 insertions(+), 39 deletions(-)
diff --git a/kernel/drivers/infiniband/sw/rxe/rxe_pool.h b/kernel/drivers/infiniband/sw/rxe/rxe_pool.h
index 47df28e..432745f 100644
--- a/kernel/drivers/infiniband/sw/rxe/rxe_pool.h
+++ b/kernel/drivers/infiniband/sw/rxe/rxe_pool.h
@@ -1,34 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef RXE_POOL_H
@@ -41,6 +14,7 @@
RXE_POOL_ATOMIC = BIT(0),
RXE_POOL_INDEX = BIT(1),
RXE_POOL_KEY = BIT(2),
+ RXE_POOL_NO_ALLOC = BIT(4),
};
enum rxe_elem_type {
@@ -68,14 +42,13 @@
u32 min_index;
size_t key_offset;
size_t key_size;
- struct kmem_cache *cache;
};
extern struct rxe_type_info rxe_type_info[];
enum rxe_pool_state {
- rxe_pool_invalid,
- rxe_pool_valid,
+ RXE_POOL_STATE_INVALID,
+ RXE_POOL_STATE_VALID,
};
struct rxe_pool_entry {
@@ -90,7 +63,7 @@
struct rxe_pool {
struct rxe_dev *rxe;
- spinlock_t pool_lock; /* pool spinlock */
+ rwlock_t pool_lock; /* protects pool add/del/search */
size_t elem_size;
struct kref ref_cnt;
void (*cleanup)(struct rxe_pool_entry *obj);
@@ -112,12 +85,6 @@
size_t key_size;
};
-/* initialize slab caches for managed objects */
-int rxe_cache_init(void);
-
-/* cleanup slab caches for managed objects */
-void rxe_cache_exit(void);
-
/* initialize a pool of objects with given limit on
* number of elements. gets parameters from rxe_type_info
* pool elements will be allocated out of a slab cache
@@ -126,11 +93,14 @@
enum rxe_elem_type type, u32 max_elem);
/* free resources from object pool */
-int rxe_pool_cleanup(struct rxe_pool *pool);
+void rxe_pool_cleanup(struct rxe_pool *pool);
/* allocate an object from pool */
void *rxe_alloc(struct rxe_pool *pool);
+/* connect already allocated object to pool */
+int rxe_add_to_pool(struct rxe_pool *pool, struct rxe_pool_entry *elem);
+
/* assign an index to an indexed object and insert object into
* pool's rb tree
*/
--
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