[PATCH] md: Allow rdev state to be set via sysfs

[linux-2.6-omap-h63xx.git] / drivers / crypto / padlock-aes.c

diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 71407c578afe034faf2ce4ae4f36dfa5dbd46c85..5158a9db4bc58faeabd16b44a7ed2221cbd141ed 100644 (file)
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -99,9 +99,6 @@ byte(const uint32_t x, const unsigned n)
        return x >> (n << 3);
 }
 
-#define uint32_t_in(x) le32_to_cpu(*(const uint32_t *)(x))
-#define uint32_t_out(to, from) (*(uint32_t *)(to) = cpu_to_le32(from))
-
 #define E_KEY ctx->E
 #define D_KEY ctx->D
 
@@ -287,13 +284,18 @@ aes_hw_extkey_available(uint8_t key_len)
 
 static inline struct aes_ctx *aes_ctx(void *ctx)
 {
-       return (struct aes_ctx *)ALIGN((unsigned long)ctx, PADLOCK_ALIGNMENT);
+       unsigned long align = PADLOCK_ALIGNMENT;
+
+       if (align <= crypto_tfm_ctx_alignment())
+               align = 1;
+       return (struct aes_ctx *)ALIGN((unsigned long)ctx, align);
 }
 
 static int
 aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t *flags)
 {
        struct aes_ctx *ctx = aes_ctx(ctx_arg);
+       const __le32 *key = (const __le32 *)in_key;
        uint32_t i, t, u, v, w;
        uint32_t P[AES_EXTENDED_KEY_SIZE];
        uint32_t rounds;
@@ -313,10 +315,10 @@ aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t
        ctx->E = ctx->e_data;
        ctx->D = ctx->e_data;
 
-       E_KEY[0] = uint32_t_in (in_key);
-       E_KEY[1] = uint32_t_in (in_key + 4);
-       E_KEY[2] = uint32_t_in (in_key + 8);
-       E_KEY[3] = uint32_t_in (in_key + 12);
+       E_KEY[0] = le32_to_cpu(key[0]);
+       E_KEY[1] = le32_to_cpu(key[1]);
+       E_KEY[2] = le32_to_cpu(key[2]);
+       E_KEY[3] = le32_to_cpu(key[3]);
 
        /* Prepare control words. */
        memset(&ctx->cword, 0, sizeof(ctx->cword));
@@ -343,17 +345,17 @@ aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t
                break;
 
        case 24:
-               E_KEY[4] = uint32_t_in (in_key + 16);
-               t = E_KEY[5] = uint32_t_in (in_key + 20);
+               E_KEY[4] = le32_to_cpu(key[4]);
+               t = E_KEY[5] = le32_to_cpu(key[5]);
                for (i = 0; i < 8; ++i)
                        loop6 (i);
                break;
 
        case 32:
-               E_KEY[4] = uint32_t_in (in_key + 16);
-               E_KEY[5] = uint32_t_in (in_key + 20);
-               E_KEY[6] = uint32_t_in (in_key + 24);
-               t = E_KEY[7] = uint32_t_in (in_key + 28);
+               E_KEY[4] = le32_to_cpu(key[4]);
+               E_KEY[5] = le32_to_cpu(key[5]);
+               E_KEY[6] = le32_to_cpu(key[6]);
+               t = E_KEY[7] = le32_to_cpu(key[7]);
                for (i = 0; i < 7; ++i)
                        loop8 (i);
                break;
@@ -468,6 +470,8 @@ static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out,
 
 static struct crypto_alg aes_alg = {
        .cra_name               =       "aes",
+       .cra_driver_name        =       "aes-padlock",
+       .cra_priority           =       300,
        .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
        .cra_blocksize          =       AES_BLOCK_SIZE,
        .cra_ctxsize            =       sizeof(struct aes_ctx),