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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2012-06-14 10:09:03 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2012-06-14 10:09:03 +0800
commit3387e7d69048f5ab02729825f9611754850d9a87 (patch)
treed7468f1d4a72dc1282a04c6f5bc5953be2b7bdad
parentd366db605c8c4a9878589bc4a87e55f6063184ac (diff)
downloadblackbird-op-linux-3387e7d69048f5ab02729825f9611754850d9a87.tar.gz
blackbird-op-linux-3387e7d69048f5ab02729825f9611754850d9a87.zip
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>
-rw-r--r--arch/x86/crypto/serpent-avx-x86_64-asm_64.S12
-rw-r--r--arch/x86/crypto/serpent_avx_glue.c2
-rw-r--r--arch/x86/crypto/serpent_sse2_glue.c2
-rw-r--r--arch/x86/include/asm/serpent-avx.h32
-rw-r--r--arch/x86/include/asm/serpent-sse2.h (renamed from arch/x86/include/asm/serpent.h)4
5 files changed, 42 insertions, 10 deletions
diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
index 0ed47a124bac..504106bf04a2 100644
--- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
+++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S
@@ -579,10 +579,10 @@
vmovdqu x3, (3*4*4)(out);
.align 8
-.global __serpent_enc_blk_8way
-.type __serpent_enc_blk_8way,@function;
+.global __serpent_enc_blk_8way_avx
+.type __serpent_enc_blk_8way_avx,@function;
-__serpent_enc_blk_8way:
+__serpent_enc_blk_8way_avx:
/* input:
* %rdi: ctx, CTX
* %rsi: dst
@@ -647,10 +647,10 @@ __enc_xor8:
ret;
.align 8
-.global serpent_dec_blk_8way
-.type serpent_dec_blk_8way,@function;
+.global serpent_dec_blk_8way_avx
+.type serpent_dec_blk_8way_avx,@function;
-serpent_dec_blk_8way:
+serpent_dec_blk_8way_avx:
/* input:
* %rdi: ctx, CTX
* %rsi: dst
diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c
index 0dc7a26535e5..dd81bab4f11a 100644
--- a/arch/x86/crypto/serpent_avx_glue.c
+++ b/arch/x86/crypto/serpent_avx_glue.c
@@ -39,7 +39,7 @@
#include <asm/i387.h>
#include <asm/xcr.h>
#include <asm/xsave.h>
-#include <asm/serpent.h>
+#include <asm/serpent-avx.h>
#include <crypto/scatterwalk.h>
#include <linux/workqueue.h>
#include <linux/spinlock.h>
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 4b21be85e0a1..deecd25c1299 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -42,7 +42,7 @@
#include <crypto/lrw.h>
#include <crypto/xts.h>
#include <asm/i387.h>
-#include <asm/serpent.h>
+#include <asm/serpent-sse2.h>
#include <crypto/scatterwalk.h>
#include <linux/workqueue.h>
#include <linux/spinlock.h>
diff --git a/arch/x86/include/asm/serpent-avx.h b/arch/x86/include/asm/serpent-avx.h
new file mode 100644
index 000000000000..432deedd2945
--- /dev/null
+++ b/arch/x86/include/asm/serpent-avx.h
@@ -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
diff --git a/arch/x86/include/asm/serpent.h b/arch/x86/include/asm/serpent-sse2.h
index d3ef63fe0c81..e6e77dffbdab 100644
--- a/arch/x86/include/asm/serpent.h
+++ b/arch/x86/include/asm/serpent-sse2.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86_SERPENT_H
-#define ASM_X86_SERPENT_H
+#ifndef ASM_X86_SERPENT_SSE2_H
+#define ASM_X86_SERPENT_SSE2_H
#include <linux/crypto.h>
#include <crypto/serpent.h>
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