add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

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