[S390] move include/asm-s390 to arch/s390/include/asm

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 0 insertions, 166 deletions

diff --git a/include/asm-s390/checksum.h b/include/asm-s390/checksum.h
deleted file mode 100644
index d5a8e7c1477..00000000000
--- a/include/asm-s390/checksum.h
+++ /dev/null
@@ -1,166 +0,0 @@
-#ifndef _S390_CHECKSUM_H
-#define _S390_CHECKSUM_H
-
-/*
- *  include/asm-s390/checksum.h
- *    S390 fast network checksum routines
- *    see also arch/S390/lib/checksum.c
- *
- *  S390 version
- *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Ulrich Hild        (first version)
- *               Martin Schwidefsky (heavily optimized CKSM version)
- *               D.J. Barrow        (third attempt) 
- */
-
-#include <asm/uaccess.h>
-
-/*
- * computes the checksum of a memory block at buff, length len,
- * and adds in "sum" (32-bit)
- *
- * returns a 32-bit number suitable for feeding into itself
- * or csum_tcpudp_magic
- *
- * this function must be called with even lengths, except
- * for the last fragment, which may be odd
- *
- * it's best to have buff aligned on a 32-bit boundary
- */
-static inline __wsum
-csum_partial(const void *buff, int len, __wsum sum)
-{
-	register unsigned long reg2 asm("2") = (unsigned long) buff;
-	register unsigned long reg3 asm("3") = (unsigned long) len;
-
-	asm volatile(
-		"0:	cksm	%0,%1\n"	/* do checksum on longs */
-		"	jo	0b\n"
-		: "+d" (sum), "+d" (reg2), "+d" (reg3) : : "cc", "memory");
-	return sum;
-}
-
-/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- *
- * Copy from userspace and compute checksum.  If we catch an exception
- * then zero the rest of the buffer.
- */
-static inline __wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
-                                          int len, __wsum sum,
-                                          int *err_ptr)
-{
-	int missing;
-
-	missing = copy_from_user(dst, src, len);
-	if (missing) {
-		memset(dst + len - missing, 0, missing);
-		*err_ptr = -EFAULT;
-	}
-		
-	return csum_partial(dst, len, sum);
-}
-
-
-static inline __wsum
-csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
-{
-        memcpy(dst,src,len);
-	return csum_partial(dst, len, sum);
-}
-
-/*
- *      Fold a partial checksum without adding pseudo headers
- */
-static inline __sum16 csum_fold(__wsum sum)
-{
-#ifndef __s390x__
-	register_pair rp;
-
-	asm volatile(
-		"	slr	%N1,%N1\n"	/* %0 = H L */
-		"	lr	%1,%0\n"	/* %0 = H L, %1 = H L 0 0 */
-		"	srdl	%1,16\n"	/* %0 = H L, %1 = 0 H L 0 */
-		"	alr	%1,%N1\n"	/* %0 = H L, %1 = L H L 0 */
-		"	alr	%0,%1\n"	/* %0 = H+L+C L+H */
-		"	srl	%0,16\n"	/* %0 = H+L+C */
-		: "+&d" (sum), "=d" (rp) : : "cc");
-#else /* __s390x__ */
-	asm volatile(
-		"	sr	3,3\n"		/* %0 = H*65536 + L */
-		"	lr	2,%0\n"		/* %0 = H L, 2/3 = H L / 0 0 */
-		"	srdl	2,16\n"		/* %0 = H L, 2/3 = 0 H / L 0 */
-		"	alr	2,3\n"		/* %0 = H L, 2/3 = L H / L 0 */
-		"	alr	%0,2\n"		/* %0 = H+L+C L+H */
-		"	srl	%0,16\n"	/* %0 = H+L+C */
-		: "+&d" (sum) : : "cc", "2", "3");
-#endif /* __s390x__ */
-	return (__force __sum16) ~sum;
-}
-
-/*
- *	This is a version of ip_compute_csum() optimized for IP headers,
- *	which always checksum on 4 octet boundaries.
- *
- */
-static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-{
-	return csum_fold(csum_partial(iph, ihl*4, 0));
-}
-
-/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 32-bit checksum
- */
-static inline __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
-                   unsigned short len, unsigned short proto,
-                   __wsum sum)
-{
-	__u32 csum = (__force __u32)sum;
-
-	csum += (__force __u32)saddr;
-	if (csum < (__force __u32)saddr)
-		csum++;
-
-	csum += (__force __u32)daddr;
-	if (csum < (__force __u32)daddr)
-		csum++;
-
-	csum += len + proto;
-	if (csum < len + proto)
-		csum++;
-
-	return (__force __wsum)csum;
-}
-
-/*
- * computes the checksum of the TCP/UDP pseudo-header
- * returns a 16-bit checksum, already complemented
- */
-
-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));
-}
-
-/*
- * this routine is used for miscellaneous IP-like checksums, mainly
- * in icmp.c
- */
-
-static inline __sum16 ip_compute_csum(const void *buff, int len)
-{
-	return csum_fold(csum_partial(buff, len, 0));
-}
-
-#endif /* _S390_CHECKSUM_H */
-
-