1 /* $NetBSD: dmapool.h,v 1.1 2022/10/25 23:32:37 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2022 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _LINUX_DMAPOOL_H_ 30 #define _LINUX_DMAPOOL_H_ 31 32 #include <sys/types.h> 33 34 #include <sys/bus.h> 35 36 #include <linux/gfp.h> 37 #include <linux/types.h> 38 39 /* namespace */ 40 #define dma_pool_create linux_dma_pool_create 41 #define dma_pool_destroy linux_dma_pool_destroy 42 #define dma_pool_free linux_dma_pool_free 43 #define dma_pool_zalloc linux_dma_pool_zalloc 44 45 struct dma_pool; 46 47 struct dma_pool *dma_pool_create(const char *, bus_dma_tag_t, size_t, size_t, 48 size_t); 49 void dma_pool_destroy(struct dma_pool *); 50 51 void *dma_pool_zalloc(struct dma_pool *, gfp_t, dma_addr_t *); 52 void dma_pool_free(struct dma_pool *, void *, dma_addr_t); 53 54 #endif /* _LINUX_DMAPOOL_H_ */ 55