87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_DMAPOOL_H_
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#define _LINUX_DMAPOOL_H_
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#include <linux/types.h>
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#include <linux/io.h>
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#include <linux/scatterlist.h>
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#include <linux/device.h>
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#include <linux/slab.h>
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struct dma_pool;
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struct dma_pool *linux_dma_pool_create(char *name, struct device *dev,
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size_t size, size_t align, size_t boundary);
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void linux_dma_pool_destroy(struct dma_pool *pool);
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void *linux_dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
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dma_addr_t *handle);
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void linux_dma_pool_free(struct dma_pool *pool, void *vaddr,
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dma_addr_t dma_addr);
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static inline struct dma_pool *
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dma_pool_create(char *name, struct device *dev, size_t size,
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size_t align, size_t boundary)
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{
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return (linux_dma_pool_create(name, dev, size, align, boundary));
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}
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static inline void
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dma_pool_destroy(struct dma_pool *pool)
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{
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linux_dma_pool_destroy(pool);
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}
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static inline void *
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dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags, dma_addr_t *handle)
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{
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return (linux_dma_pool_alloc(pool, mem_flags, handle));
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}
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static inline void *
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dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags, dma_addr_t *handle)
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{
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return (dma_pool_alloc(pool, mem_flags | __GFP_ZERO, handle));
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}
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static inline void
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dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t dma_addr)
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{
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linux_dma_pool_free(pool, vaddr, dma_addr);
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}
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#endif /* _LINUX_DMAPOOL_H_ */
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