2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef _LINUX_DMAPOOL_H_
32 #define _LINUX_DMAPOOL_H_
34 #include <linux/types.h>
36 #include <linux/scatterlist.h>
37 #include <linux/device.h>
38 #include <linux/slab.h>
41 struct dma_pool *linux_dma_pool_create(char *name, struct device *dev,
42 size_t size, size_t align, size_t boundary);
43 void linux_dma_pool_destroy(struct dma_pool *pool);
44 void *linux_dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
46 void linux_dma_pool_free(struct dma_pool *pool, void *vaddr,
49 static inline struct dma_pool *
50 dma_pool_create(char *name, struct device *dev, size_t size,
51 size_t align, size_t boundary)
54 return (linux_dma_pool_create(name, dev, size, align, boundary));
58 dma_pool_destroy(struct dma_pool *pool)
61 linux_dma_pool_destroy(pool);
65 dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags, dma_addr_t *handle)
68 return (linux_dma_pool_alloc(pool, mem_flags, handle));
72 dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags, dma_addr_t *handle)
75 return (dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle));
79 dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t dma_addr)
82 linux_dma_pool_free(pool, vaddr, dma_addr);
86 #endif /* _LINUX_DMAPOOL_H_ */