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/*-
* Copyright (c) 2010 Isilon Systems, Inc.
* Copyright (c) 2010 iX Systems, Inc.
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
* Copyright (c) 2015 François Tigeot
* 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.
*/
#ifndef _LINUXKPI_LINUX_COMPILER_H_
#define _LINUXKPI_LINUX_COMPILER_H_
#include <sys/cdefs.h>
#include <sys/endian.h>
#include <compat/linuxkpi/common/include/linux/compiler_types.h>
#define __bitwise
#define __devinitdata
#define __init
#define __initconst
#define __devinit
#define __devexit
#define __exit
#define ____cacheline_aligned __aligned(CACHE_LINE_SIZE)
#define ____cacheline_aligned_in_smp __aligned(CACHE_LINE_SIZE)
#if __has_attribute(__counted_by__)
#define __counted_by(_x) __attribute__((__counted_by__(_x)))
#else
#define __counted_by(_x)
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
#define __counted_by_le(_x) __counted_by(_x)
#define __counted_by_be(_x)
#else
#define __counted_by_le(_x)
#define __counted_by_be(_x) __counted_by(_x)
#endif
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#define typeof(x) __typeof(x)
#define uninitialized_var(x) x = x
#define barrier() __asm__ __volatile__("": : :"memory")
#define lower_32_bits(n) ((u32)(n))
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
#define WRITE_ONCE(x,v) do { \
barrier(); \
(*(volatile __typeof(x) *)(uintptr_t)&(x)) = (v); \
barrier(); \
} while (0)
#define READ_ONCE(x) ({ \
__typeof(x) __var = ({ \
barrier(); \
(*(const volatile __typeof(x) *)&(x)); \
}); \
barrier(); \
__var; \
})
#define lockless_dereference(p) READ_ONCE(p)
#define _AT(T,X) ((T)(X))
#define __must_be_array(a) __same_type(a, &(a)[0])
#define sizeof_field(_s, _m) sizeof(((_s *)0)->_m)
#define is_signed_type(t) ((t)-1 < (t)1)
#define is_unsigned_type(t) ((t)-1 > (t)1)
#if __has_builtin(__builtin_dynamic_object_size)
#define __struct_size(_s) __builtin_dynamic_object_size(_s, 0)
#else
#define __struct_size(_s) __builtin_object_size(_s, 0)
#endif
#endif /* _LINUXKPI_LINUX_COMPILER_H_ */
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