static int n2_hash_cra_init(struct crypto_tfm *tfm)
{
const char *fallback_driver_name = tfm->__crt_alg->cra_name;
struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash);
struct crypto_ahash *fallback_tfm;
int err;
fallback_tfm = crypto_alloc_ahash(fallback_driver_name, 0,
CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback_tfm)) {
pr_warning("Fallback driver '%s' could not be loaded!\n",
fallback_driver_name);
err = PTR_ERR(fallback_tfm);
goto out;
}
crypto_ahash_set_reqsize(ahash, (sizeof(struct n2_hash_req_ctx) +
crypto_ahash_reqsize(fallback_tfm)));
ctx->fallback_tfm = fallback_tfm;
return 0;
out:
return err;
}
static void n2_hash_cra_exit(struct crypto_tfm *tfm)
{
struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
struct n2_hash_ctx *ctx = crypto_ahash_ctx(ahash);
crypto_free_ahash(ctx->fallback_tfm);
}
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);
}
static int qce_ahash_cra_init(struct crypto_tfm *tfm)
{
struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
struct qce_sha_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_ahash_set_reqsize(ahash, sizeof(struct qce_sha_reqctx));
memset(ctx, 0, sizeof(*ctx));
return 0;
}
/**
* 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 = crypto_alg_to_crypto4xx_alg(alg);
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm);
struct dynamic_sa_ctl *sa;
struct dynamic_sa_hash160 *sa_in;
int rc;
ctx->dev = my_alg->dev;
ctx->is_hash = 1;
ctx->hash_final = 0;
/* Create SA */
if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
crypto4xx_free_sa(ctx);
rc = crypto4xx_alloc_sa(ctx, sa_len);
if (rc)
return rc;
if (ctx->state_record_dma_addr == 0) {
crypto4xx_alloc_state_record(ctx);
if (!ctx->state_record_dma_addr) {
crypto4xx_free_sa(ctx);
return -ENOMEM;
}
}
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct crypto4xx_ctx));
sa = (struct dynamic_sa_ctl *) ctx->sa_in;
set_dynamic_sa_command_0(sa, 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, 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);
ctx->direction = DIR_INBOUND;
sa->sa_contents = SA_HASH160_CONTENTS;
sa_in = (struct dynamic_sa_hash160 *) ctx->sa_in;
/* Need to zero hash digest in SA */
memset(sa_in->inner_digest, 0, sizeof(sa_in->inner_digest));
memset(sa_in->outer_digest, 0, sizeof(sa_in->outer_digest));
sa_in->state_ptr = ctx->state_record_dma_addr;
ctx->offset_to_sr_ptr = get_dynamic_sa_offset_state_ptr_field(ctx);
return 0;
}
static inline int mv_cesa_ahash_cra_init(struct crypto_tfm *tfm)
{
struct mv_cesa_hash_ctx *ctx = crypto_tfm_ctx(tfm);
ctx->base.ops = &mv_cesa_ahash_req_ops;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct mv_cesa_ahash_req));
return 0;
}
static int sunxi_ss_cra_hash_init(struct crypto_tfm *tfm)
{
if (ss_flow_request(crypto_tfm_ctx(tfm)) < 0)
return -1;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(ss_aes_req_ctx_t));
SS_DBG("reqsize = %d \n", sizeof(ss_aes_req_ctx_t));
return 0;
}
int crypto4xx_hash_init(struct ahash_request *req)
{
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
int ds;
struct dynamic_sa_ctl *sa;
sa = ctx->sa_in;
ds = crypto_ahash_digestsize(
__crypto_ahash_cast(req->base.tfm));
sa->sa_command_0.bf.digest_len = ds >> 2;
sa->sa_command_0.bf.load_hash_state = SA_LOAD_HASH_FROM_SA;
return 0;
}
static int ghash_async_init_tfm(struct crypto_tfm *tfm)
{
struct cryptd_ahash *cryptd_tfm;
struct ghash_async_ctx *ctx = crypto_tfm_ctx(tfm);
cryptd_tfm = cryptd_alloc_ahash("__ghash-pclmulqdqni", 0, 0);
if (IS_ERR(cryptd_tfm))
return PTR_ERR(cryptd_tfm);
ctx->cryptd_tfm = cryptd_tfm;
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct ahash_request) +
crypto_ahash_reqsize(&cryptd_tfm->base));
return 0;
}
static int sahara_sha_cra_init(struct crypto_tfm *tfm)
{
const char *name = crypto_tfm_alg_name(tfm);
struct sahara_ctx *ctx = crypto_tfm_ctx(tfm);
ctx->shash_fallback = crypto_alloc_shash(name, 0,
CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(ctx->shash_fallback)) {
pr_err("Error allocating fallback algo %s\n", name);
return PTR_ERR(ctx->shash_fallback);
}
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct sahara_sha_reqctx) +
SHA_BUFFER_LEN + SHA256_BLOCK_SIZE);
return 0;
}
/**
* 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;
}
