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sys/dev/drm/drmkpi/include/asm/uaccess.h
- This file was added.
/*- | |||||
* Copyright (c) 2010 Isilon Systems, Inc. | |||||
* Copyright (c) 2010 iX Systems, Inc. | |||||
* Copyright (c) 2010 Panasas, Inc. | |||||
* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. | |||||
* All rights reserved. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice unmodified, this list of conditions, and the following | |||||
* disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
* | |||||
* $FreeBSD$ | |||||
*/ | |||||
#ifndef _ASM_UACCESS_H_ | |||||
#define _ASM_UACCESS_H_ | |||||
#include <linux/uaccess.h> | |||||
static inline long | |||||
copy_to_user(void *to, const void *from, unsigned long n) | |||||
{ | |||||
if (linux_copyout(from, to, n) != 0) | |||||
return n; | |||||
return 0; | |||||
} | |||||
#define __copy_to_user(...) copy_to_user(__VA_ARGS__) | |||||
static inline long | |||||
copy_from_user(void *to, const void *from, unsigned long n) | |||||
{ | |||||
if (linux_copyin(from, to, n) != 0) | |||||
return n; | |||||
return 0; | |||||
} | |||||
#define __copy_from_user(...) copy_from_user(__VA_ARGS__) | |||||
#define __copy_in_user(...) copy_from_user(__VA_ARGS__) | |||||
#define user_access_begin() do { } while (0) | |||||
#define user_access_end() do { } while (0) | |||||
#define unsafe_get_user(x, ptr, err) do { \ | |||||
if (unlikely(__get_user(x, ptr))) \ | |||||
goto err; \ | |||||
} while (0) | |||||
#define unsafe_put_user(x, ptr, err) do { \ | |||||
if (unlikely(__put_user(x, ptr))) \ | |||||
goto err; \ | |||||
} while (0) | |||||
#endif /* _ASM_UACCESS_H_ */ |