csum_partial_copy.c File Reference

#include <linux/types.h>
#include <linux/string.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Macros
#define	ldq_u(x, y)   __asm__ __volatile__("ldq_u %0,%1":"=r" (x):"m" (*(const unsigned long *)(y)))
#define	stq_u(x, y)   __asm__ __volatile__("stq_u %1,%0":"=m" (*(unsigned long *)(y)):"r" (x))
#define	extql(x, y, z)   __asm__ __volatile__("extql %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	extqh(x, y, z)   __asm__ __volatile__("extqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	mskql(x, y, z)   __asm__ __volatile__("mskql %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	mskqh(x, y, z)   __asm__ __volatile__("mskqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	insql(x, y, z)   __asm__ __volatile__("insql %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	insqh(x, y, z)   __asm__ __volatile__("insqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))
#define	__get_user_u(x, ptr)
#define	__put_user_u(x, ptr)

Functions
__wsum	csum_partial_copy_from_user (const void __user *src, void *dst, int len, __wsum sum, int *errp)
__wsum	csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)

Macro Definition Documentation

#define __get_user_u	(		x,
			ptr
	)

Value:

({                          \
    long __guu_err;                 \
    __asm__ __volatile__(               \
    "1: ldq_u %0,%2\n"              \
    "2:\n"                      \
    ".section __ex_table,\"a\"\n"           \
    "   .long 1b - .\n"             \
    "   lda %0,2b-1b(%1)\n"         \
    ".previous"                 \
        : "=r"(x), "=r"(__guu_err)      \
        : "m"(__m(ptr)), "1"(0));       \
    __guu_err;                  \
})

Definition at line 42 of file csum_partial_copy.c.

#define __put_user_u	(		x,
			ptr
	)

Value:

({                          \
    long __puu_err;                 \
    __asm__ __volatile__(               \
    "1: stq_u %2,%1\n"              \
    "2:\n"                      \
    ".section __ex_table,\"a\"\n"           \
    "   .long 1b - ."               \
    "   lda $31,2b-1b(%0)\n"            \
    ".previous"                 \
        : "=r"(__puu_err)           \
        : "m"(__m(addr)), "rJ"(x), "0"(0)); \
    __puu_err;                  \
})

Definition at line 57 of file csum_partial_copy.c.

#define extqh	(		x,
			y,
			z
	)		__asm__ __volatile__("extqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 26 of file csum_partial_copy.c.

#define extql	(		x,
			y,
			z
	)		__asm__ __volatile__("extql %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 23 of file csum_partial_copy.c.

#define insqh	(		x,
			y,
			z
	)		__asm__ __volatile__("insqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 38 of file csum_partial_copy.c.

#define insql	(		x,
			y,
			z
	)		__asm__ __volatile__("insql %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 35 of file csum_partial_copy.c.

#define ldq_u	(		x,
			y
	)		__asm__ __volatile__("ldq_u %0,%1":"=r" (x):"m" (*(const unsigned long *)(y)))

Definition at line 17 of file csum_partial_copy.c.

#define mskqh	(		x,
			y,
			z
	)		__asm__ __volatile__("mskqh %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 32 of file csum_partial_copy.c.

#define mskql	(		x,
			y,
			z
	)		__asm__ __volatile__("mskql %1,%2,%0":"=r" (z):"r" (x),"r" (y))

Definition at line 29 of file csum_partial_copy.c.

#define stq_u	(		x,
			y
	)		__asm__ __volatile__("stq_u %1,%0":"=m" (*(unsigned long *)(y)):"r" (x))

Definition at line 20 of file csum_partial_copy.c.

Function Documentation

__wsum csum_partial_copy_from_user	(	const void __user *	src,
		void *	dst,
		int	len,
		__wsum	sum,
		int *	errp
	)

Definition at line 333 of file csum_partial_copy.c.

__wsum csum_partial_copy_nocheck	(	const void *	src,
		void *	dst,
		int	len,
		__wsum	sum
	)

Definition at line 374 of file csum_partial_copy.c.