static int rk_cra_hash_init(struct crypto_tfm *tfm)
{
struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm);
struct rk_crypto_tmp *algt;
struct ahash_alg *alg = __crypto_ahash_alg(tfm->__crt_alg);
const char *alg_name = crypto_tfm_alg_name(tfm);
algt = container_of(alg, struct rk_crypto_tmp, alg.hash);
tctx->dev = algt->dev;
tctx->dev->addr_vir = (void *)__get_free_page(GFP_KERNEL);
if (!tctx->dev->addr_vir) {
dev_err(tctx->dev->dev, "failed to kmalloc for addr_vir\n");
return -ENOMEM;
}
tctx->dev->start = rk_ahash_start;
tctx->dev->update = rk_ahash_crypto_rx;
tctx->dev->complete = rk_ahash_crypto_complete;
/* for fallback */
tctx->fallback_tfm = crypto_alloc_ahash(alg_name, 0,
CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(tctx->fallback_tfm)) {
dev_err(tctx->dev->dev, "Could not load fallback driver.\n");
return PTR_ERR(tctx->fallback_tfm);
}
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct rk_ahash_rctx) +
crypto_ahash_reqsize(tctx->fallback_tfm));
return tctx->dev->enable_clk(tctx->dev);
}
/**
* HASH SHA1 Functions
*/
static int crypto4xx_hash_alg_init(struct crypto_tfm *tfm,
unsigned int sa_len,
unsigned char ha,
unsigned char hm)
{
struct crypto_alg *alg = tfm->__crt_alg;
struct crypto4xx_alg *my_alg;
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm);
struct dynamic_sa_hash160 *sa;
int rc;
my_alg = container_of(__crypto_ahash_alg(alg), struct crypto4xx_alg,
alg.u.hash);
ctx->dev = my_alg->dev;
/* Create SA */
if (ctx->sa_in || ctx->sa_out)
crypto4xx_free_sa(ctx);
rc = crypto4xx_alloc_sa(ctx, sa_len);
if (rc)
return rc;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct crypto4xx_ctx));
sa = (struct dynamic_sa_hash160 *)ctx->sa_in;
set_dynamic_sa_command_0(&sa->ctrl, SA_SAVE_HASH, SA_NOT_SAVE_IV,
SA_NOT_LOAD_HASH, SA_LOAD_IV_FROM_SA,
SA_NO_HEADER_PROC, ha, SA_CIPHER_ALG_NULL,
SA_PAD_TYPE_ZERO, SA_OP_GROUP_BASIC,
SA_OPCODE_HASH, DIR_INBOUND);
set_dynamic_sa_command_1(&sa->ctrl, 0, SA_HASH_MODE_HASH,
CRYPTO_FEEDBACK_MODE_NO_FB, SA_EXTENDED_SN_OFF,
SA_SEQ_MASK_OFF, SA_MC_ENABLE,
SA_NOT_COPY_PAD, SA_NOT_COPY_PAYLOAD,
SA_NOT_COPY_HDR);
/* Need to zero hash digest in SA */
memset(sa->inner_digest, 0, sizeof(sa->inner_digest));
memset(sa->outer_digest, 0, sizeof(sa->outer_digest));
return 0;
}
