18d59ecb2SHans Petter Selasky /*-
28d59ecb2SHans Petter Selasky * Copyright (c) 2010 Isilon Systems, Inc.
38d59ecb2SHans Petter Selasky * Copyright (c) 2010 iX Systems, Inc.
48d59ecb2SHans Petter Selasky * Copyright (c) 2010 Panasas, Inc.
58d59ecb2SHans Petter Selasky * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
68d59ecb2SHans Petter Selasky * All rights reserved.
78d59ecb2SHans Petter Selasky *
88d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without
98d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions
108d59ecb2SHans Petter Selasky * are met:
118d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright
128d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following
138d59ecb2SHans Petter Selasky * disclaimer.
148d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright
158d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the
168d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution.
178d59ecb2SHans Petter Selasky *
188d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
198d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
208d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
218d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
228d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
238d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
248d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
258d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
268d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
278d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
288d59ecb2SHans Petter Selasky */
29*307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_DMA_ATTR_H_
30*307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_DMA_ATTR_H_
318d59ecb2SHans Petter Selasky
324c09177aSHans Petter Selasky #define DMA_ATTR_WRITE_BARRIER (1 << 0)
334c09177aSHans Petter Selasky #define DMA_ATTR_WEAK_ORDERING (1 << 1)
344c09177aSHans Petter Selasky #define DMA_ATTR_WRITE_COMBINE (1 << 2)
354c09177aSHans Petter Selasky #define DMA_ATTR_NON_CONSISTENT (1 << 3)
364c09177aSHans Petter Selasky #define DMA_ATTR_NO_KERNEL_MAPPING (1 << 4)
374c09177aSHans Petter Selasky #define DMA_ATTR_SKIP_CPU_SYNC (1 << 5)
384c09177aSHans Petter Selasky #define DMA_ATTR_FORCE_CONTIGUOUS (1 << 6)
394c09177aSHans Petter Selasky #define DMA_ATTR_ALLOC_SINGLE_PAGES (1 << 7)
404c09177aSHans Petter Selasky #define DMA_ATTR_NO_WARN (1 << 8)
414c09177aSHans Petter Selasky #define DMA_ATTR_PRIVILEGED (1 << 9)
428d59ecb2SHans Petter Selasky
438d59ecb2SHans Petter Selasky struct dma_attrs {
448d59ecb2SHans Petter Selasky unsigned long flags;
458d59ecb2SHans Petter Selasky };
468d59ecb2SHans Petter Selasky #define DEFINE_DMA_ATTRS(x) struct dma_attrs x = { }
478d59ecb2SHans Petter Selasky
488d59ecb2SHans Petter Selasky static inline void
init_dma_attrs(struct dma_attrs * attrs)498d59ecb2SHans Petter Selasky init_dma_attrs(struct dma_attrs *attrs)
508d59ecb2SHans Petter Selasky {
518d59ecb2SHans Petter Selasky attrs->flags = 0;
528d59ecb2SHans Petter Selasky }
538d59ecb2SHans Petter Selasky
54*307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_DMA_ATTR_H_ */
55