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crypto: aesni-intel - Fixed build error on x86-32

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Exclude AES-GCM code for x86-32 due to heavy usage of 64-bit registers
not available on x86-32.

While at it, fixed unregister order in aesni_exit().

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Mathias Krause 2010-11-29 08:35:39 +08:00 committed by Herbert Xu
parent c762be6375
commit 559ad0ff13
2 changed files with 17 additions and 14 deletions
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5
arch/x86/crypto/aesni-intel_asm.S
View File

@ -32,6 +32,7 @@
#include <linux/linkage.h>
#include <asm/inst.h>
#ifdef __x86_64__
.data
POLY: .octa 0xC2000000000000000000000000000001
TWOONE: .octa 0x00000001000000000000000000000001
@ -84,6 +85,7 @@ enc: .octa 0x2
#define arg8 STACK_OFFSET+16(%r14)
#define arg9 STACK_OFFSET+24(%r14)
#define arg10 STACK_OFFSET+32(%r14)
#endif
#define STATE1 %xmm0
@ -130,6 +132,7 @@ enc: .octa 0x2
#endif
#ifdef __x86_64__
/* GHASH_MUL MACRO to implement: Data*HashKey mod (128,127,126,121,0)
*
*
@ -1255,7 +1258,7 @@ _return_T_done_encrypt:
pop %r13
pop %r12
ret
#endif
_key_expansion_128:

26
arch/x86/crypto/aesni-intel_glue.c
View File

@ -97,7 +97,6 @@ asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out,
#ifdef CONFIG_X86_64
asmlinkage void aesni_ctr_enc(struct crypto_aes_ctx *ctx, u8 *out,
const u8 *in, unsigned int len, u8 *iv);
#endif
/* asmlinkage void aesni_gcm_enc()
* void *ctx, AES Key schedule. Starts on a 16 byte boundary.
@ -149,6 +148,7 @@ aesni_rfc4106_gcm_ctx *aesni_rfc4106_gcm_ctx_get(struct crypto_aead *tfm)
PTR_ALIGN((u8 *)
crypto_tfm_ctx(crypto_aead_tfm(tfm)), AESNI_ALIGN);
}
#endif
static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
{
@ -822,6 +822,7 @@ static struct crypto_alg ablk_xts_alg = {
};
#endif
#ifdef CONFIG_X86_64
static int rfc4106_init(struct crypto_tfm *tfm)
{
struct cryptd_aead *cryptd_tfm;
@ -1237,6 +1238,7 @@ static struct crypto_alg __rfc4106_alg = {
},
},
};
#endif
static int __init aesni_init(void)
{
@ -1264,6 +1266,10 @@ static int __init aesni_init(void)
goto blk_ctr_err;
if ((err = crypto_register_alg(&ablk_ctr_alg)))
goto ablk_ctr_err;
if ((err = crypto_register_alg(&__rfc4106_alg)))
goto __aead_gcm_err;
if ((err = crypto_register_alg(&rfc4106_alg)))
goto aead_gcm_err;
#ifdef HAS_CTR
if ((err = crypto_register_alg(&ablk_rfc3686_ctr_alg)))
goto ablk_rfc3686_ctr_err;
@ -1281,19 +1287,9 @@ static int __init aesni_init(void)
if ((err = crypto_register_alg(&ablk_xts_alg)))
goto ablk_xts_err;
#endif
err = crypto_register_alg(&__rfc4106_alg);
if (err)
goto __aead_gcm_err;
err = crypto_register_alg(&rfc4106_alg);
if (err)
goto aead_gcm_err;
return err;
aead_gcm_err:
crypto_unregister_alg(&__rfc4106_alg);
__aead_gcm_err:
#ifdef HAS_XTS
crypto_unregister_alg(&ablk_xts_alg);
ablk_xts_err:
#endif
#ifdef HAS_PCBC
@ -1309,6 +1305,10 @@ ablk_lrw_err:
crypto_unregister_alg(&ablk_rfc3686_ctr_alg);
ablk_rfc3686_ctr_err:
#endif
crypto_unregister_alg(&rfc4106_alg);
aead_gcm_err:
crypto_unregister_alg(&__rfc4106_alg);
__aead_gcm_err:
crypto_unregister_alg(&ablk_ctr_alg);
ablk_ctr_err:
crypto_unregister_alg(&blk_ctr_alg);
@ -1331,8 +1331,6 @@ aes_err:
static void __exit aesni_exit(void)
{
crypto_unregister_alg(&__rfc4106_alg);
crypto_unregister_alg(&rfc4106_alg);
#ifdef HAS_XTS
crypto_unregister_alg(&ablk_xts_alg);
#endif
@ -1346,6 +1344,8 @@ static void __exit aesni_exit(void)
#ifdef HAS_CTR
crypto_unregister_alg(&ablk_rfc3686_ctr_alg);
#endif
crypto_unregister_alg(&rfc4106_alg);
crypto_unregister_alg(&__rfc4106_alg);
crypto_unregister_alg(&ablk_ctr_alg);
crypto_unregister_alg(&blk_ctr_alg);
#endif