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headers: Add udmabuf.h

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This adds udmabuf header to standard headers so that the
relevant udmabuf objects can be accessed in subsequent
patches.

Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-3-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-05-26 16:14:17 -07:00 • committed by Gerd Hoffmann
parent 87f12216d9
commit 4d01086161
2 changed files with 35 additions and 0 deletions
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32
include/standard-headers/linux/udmabuf.h Normal file
View file

@ -0,0 +1,32 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_UDMABUF_H
#define _LINUX_UDMABUF_H
#include "standard-headers/linux/types.h"
#define UDMABUF_FLAGS_CLOEXEC 0x01
struct udmabuf_create {
uint32_t memfd;
uint32_t flags;
uint64_t offset;
uint64_t size;
};
struct udmabuf_create_item {
uint32_t memfd;
uint32_t __pad;
uint64_t offset;
uint64_t size;
};
struct udmabuf_create_list {
uint32_t flags;
uint32_t count;
struct udmabuf_create_item list[];
};
#define UDMABUF_CREATE _IOW('u', 0x42, struct udmabuf_create)
#define UDMABUF_CREATE_LIST _IOW('u', 0x43, struct udmabuf_create_list)
#endif /* _LINUX_UDMABUF_H */