x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 191 deletions

diff --git a/include/asm-x86/checksum_64.h b/include/asm-x86/checksum_64.h
deleted file mode 100644
index 110f403beb8..00000000000
--- a/include/asm-x86/checksum_64.h
+++ /dev/null
@@ -1,191 +0,0 @@
-#ifndef ASM_X86__CHECKSUM_64_H
-#define ASM_X86__CHECKSUM_64_H
-
-/*
- * Checksums for x86-64
- * Copyright 2002 by Andi Kleen, SuSE Labs
- * with some code from asm-x86/checksum.h
- */
-
-#include <linux/compiler.h>
-#include <asm/uaccess.h>
-#include <asm/byteorder.h>
-
-/**
- * csum_fold - Fold and invert a 32bit checksum.
- * sum: 32bit unfolded sum
- *
- * Fold a 32bit running checksum to 16bit and invert it. This is usually
- * the last step before putting a checksum into a packet.
- * Make sure not to mix with 64bit checksums.
- */
-static inline __sum16 csum_fold(__wsum sum)
-{
-	asm("  addl %1,%0\n"
-	    "  adcl $0xffff,%0"
-	    : "=r" (sum)
-	    : "r" ((__force u32)sum << 16),
-	      "0" ((__force u32)sum & 0xffff0000));
-	return (__force __sum16)(~(__force u32)sum >> 16);
-}
-
-/*
- *	This is a version of ip_compute_csum() optimized for IP headers,
- *	which always checksum on 4 octet boundaries.
- *
- *	By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
- *	Arnt Gulbrandsen.
- */
-
-/**
- * ip_fast_csum - Compute the IPv4 header checksum efficiently.
- * iph: ipv4 header
- * ihl: length of header / 4
- */
-static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-{
-	unsigned int sum;
-
-	asm("  movl (%1), %0\n"
-	    "  subl $4, %2\n"
-	    "  jbe 2f\n"
-	    "  addl 4(%1), %0\n"
-	    "  adcl 8(%1), %0\n"
-	    "  adcl 12(%1), %0\n"
-	    "1: adcl 16(%1), %0\n"
-	    "  lea 4(%1), %1\n"
-	    "  decl %2\n"
-	    "  jne	1b\n"
-	    "  adcl $0, %0\n"
-	    "  movl %0, %2\n"
-	    "  shrl $16, %0\n"
-	    "  addw %w2, %w0\n"
-	    "  adcl $0, %0\n"
-	    "  notl %0\n"
-	    "2:"
-	/* Since the input registers which are loaded with iph and ihl
-	   are modified, we must also specify them as outputs, or gcc
-	   will assume they contain their original values. */
-	    : "=r" (sum), "=r" (iph), "=r" (ihl)
-	    : "1" (iph), "2" (ihl)
-	    : "memory");
-	return (__force __sum16)sum;
-}
-
-/**
- * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum.
- * @saddr: source address
- * @daddr: destination address
- * @len: length of packet
- * @proto: ip protocol of packet
- * @sum: initial sum to be added in (32bit unfolded)
- *
- * Returns the pseudo header checksum the input data. Result is
- * 32bit unfolded.
- */
-static inline __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
-		   unsigned short proto, __wsum sum)
-{
-	asm("  addl %1, %0\n"
-	    "  adcl %2, %0\n"
-	    "  adcl %3, %0\n"
-	    "  adcl $0, %0\n"
-	    : "=r" (sum)
-	    : "g" (daddr), "g" (saddr),
-	      "g" ((len + proto)<<8), "0" (sum));
-	return sum;
-}
-
-
-/**
- * csum_tcpup_magic - Compute an IPv4 pseudo header checksum.
- * @saddr: source address
- * @daddr: destination address
- * @len: length of packet
- * @proto: ip protocol of packet
- * @sum: initial sum to be added in (32bit unfolded)
- *
- * Returns the 16bit pseudo header checksum the input data already
- * complemented and ready to be filled in.
- */
-static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
-					unsigned short len,
-					unsigned short proto, __wsum sum)
-{
-	return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
-}
-
-/**
- * csum_partial - Compute an internet checksum.
- * @buff: buffer to be checksummed
- * @len: length of buffer.
- * @sum: initial sum to be added in (32bit unfolded)
- *
- * Returns the 32bit unfolded internet checksum of the buffer.
- * Before filling it in it needs to be csum_fold()'ed.
- * buff should be aligned to a 64bit boundary if possible.
- */
-extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-
-#define  _HAVE_ARCH_COPY_AND_CSUM_FROM_USER 1
-#define HAVE_CSUM_COPY_USER 1
-
-
-/* Do not call this directly. Use the wrappers below */
-extern __wsum csum_partial_copy_generic(const void *src, const void *dst,
-					int len, __wsum sum,
-					int *src_err_ptr, int *dst_err_ptr);
-
-
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
-					  int len, __wsum isum, int *errp);
-extern __wsum csum_partial_copy_to_user(const void *src, void __user *dst,
-					int len, __wsum isum, int *errp);
-extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
-					int len, __wsum sum);
-
-/* Old names. To be removed. */
-#define csum_and_copy_to_user csum_partial_copy_to_user
-#define csum_and_copy_from_user csum_partial_copy_from_user
-
-/**
- * ip_compute_csum - Compute an 16bit IP checksum.
- * @buff: buffer address.
- * @len: length of buffer.
- *
- * Returns the 16bit folded/inverted checksum of the passed buffer.
- * Ready to fill in.
- */
-extern __sum16 ip_compute_csum(const void *buff, int len);
-
-/**
- * csum_ipv6_magic - Compute checksum of an IPv6 pseudo header.
- * @saddr: source address
- * @daddr: destination address
- * @len: length of packet
- * @proto: protocol of packet
- * @sum: initial sum (32bit unfolded) to be added in
- *
- * Computes an IPv6 pseudo header checksum. This sum is added the checksum
- * into UDP/TCP packets and contains some link layer information.
- * Returns the unfolded 32bit checksum.
- */
-
-struct in6_addr;
-
-#define _HAVE_ARCH_IPV6_CSUM 1
-extern __sum16
-csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr,
-		__u32 len, unsigned short proto, __wsum sum);
-
-static inline unsigned add32_with_carry(unsigned a, unsigned b)
-{
-	asm("addl %2,%0\n\t"
-	    "adcl $0,%0"
-	    : "=r" (a)
-	    : "0" (a), "r" (b));
-	return a;
-}
-
-#endif /* ASM_X86__CHECKSUM_64_H */