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crypto: serpent-sse2/avx - allow both to be built into kernel 

Rename serpent-avx assembler functions so that they do not collide with
serpent-sse2 assembler functions when linking both versions in to same
kernel image.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Johannes Goetzfried <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Jussi Kivilinna 2012-06-14 10:09:03 +08:00 committed by Herbert Xu
parent d366db605c
commit 3387e7d690
5 changed files with 42 additions and 10 deletions
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12
arch/x86/crypto/serpent-avx-x86_64-asm_64.S
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@ -579,10 +579,10 @@
vmovdqu x3, (3*4*4)(out); vmovdqu x3, (3*4*4)(out);
.align 8 .align 8
.global __serpent_enc_blk_8way .global __serpent_enc_blk_8way_avx
.type __serpent_enc_blk_8way,@function; .type __serpent_enc_blk_8way_avx,@function;
__serpent_enc_blk_8way: __serpent_enc_blk_8way_avx:
/* input: /* input:
* %rdi: ctx, CTX * %rdi: ctx, CTX
* %rsi: dst * %rsi: dst
@ -647,10 +647,10 @@ __enc_xor8:
ret; ret;
.align 8 .align 8
.global serpent_dec_blk_8way .global serpent_dec_blk_8way_avx
.type serpent_dec_blk_8way,@function; .type serpent_dec_blk_8way_avx,@function;
serpent_dec_blk_8way: serpent_dec_blk_8way_avx:
/* input: /* input:
* %rdi: ctx, CTX * %rdi: ctx, CTX
* %rsi: dst * %rsi: dst

2
arch/x86/crypto/serpent_avx_glue.c
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@ -39,7 +39,7 @@
#include <asm/i387.h> #include <asm/i387.h>
#include <asm/xcr.h> #include <asm/xcr.h>
#include <asm/xsave.h> #include <asm/xsave.h>
#include <asm/serpent.h> #include <asm/serpent-avx.h>
#include <crypto/scatterwalk.h> #include <crypto/scatterwalk.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>

2
arch/x86/crypto/serpent_sse2_glue.c
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@ -42,7 +42,7 @@
#include <crypto/lrw.h> #include <crypto/lrw.h>
#include <crypto/xts.h> #include <crypto/xts.h>
#include <asm/i387.h> #include <asm/i387.h>
#include <asm/serpent.h> #include <asm/serpent-sse2.h>
#include <crypto/scatterwalk.h> #include <crypto/scatterwalk.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>

32
arch/x86/include/asm/serpent-avx.h 100644
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@ -0,0 +1,32 @@
#ifndef ASM_X86_SERPENT_AVX_H
#define ASM_X86_SERPENT_AVX_H
#include <linux/crypto.h>
#include <crypto/serpent.h>
#define SERPENT_PARALLEL_BLOCKS 8
asmlinkage void __serpent_enc_blk_8way_avx(struct serpent_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
asmlinkage void serpent_dec_blk_8way_avx(struct serpent_ctx *ctx, u8 *dst,
const u8 *src);
static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst,
const u8 *src)
{
__serpent_enc_blk_8way_avx(ctx, dst, src, false);
}
static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst,
const u8 *src)
{
__serpent_enc_blk_8way_avx(ctx, dst, src, true);
}
static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst,
const u8 *src)
{
serpent_dec_blk_8way_avx(ctx, dst, src);
}
#endif

4
arch/x86/include/asm/serpent.h → arch/x86/include/asm/serpent-sse2.h
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@ -1,5 +1,5 @@
#ifndef ASM_X86_SERPENT_H #ifndef ASM_X86_SERPENT_SSE2_H
#define ASM_X86_SERPENT_H #define ASM_X86_SERPENT_SSE2_H
#include <linux/crypto.h> #include <linux/crypto.h>
#include <crypto/serpent.h> #include <crypto/serpent.h>