allwinner/sun8i-ce/sun8i-ce-hash.c

72 int sun8i_ce_hash_init(struct ahash_request *areq)
74 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
75 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
81 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
86 int sun8i_ce_hash_export(struct ahash_request *areq, void *out)
88 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
89 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
93 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
98 int sun8i_ce_hash_import(struct ahash_request *areq, const void *in)
100 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
101 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
105 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
110 int sun8i_ce_hash_final(struct ahash_request *areq)
112 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
113 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
117 	rctx->fallback_req.base.flags = areq->base.flags &
119 	rctx->fallback_req.result = areq->result;
135 int sun8i_ce_hash_update(struct ahash_request *areq)
137 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
138 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
142 	rctx->fallback_req.base.flags = areq->base.flags &
144 	rctx->fallback_req.nbytes = areq->nbytes;
145 	rctx->fallback_req.src = areq->src;
150 int sun8i_ce_hash_finup(struct ahash_request *areq)
152 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
153 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
157 	rctx->fallback_req.base.flags = areq->base.flags &
160 	rctx->fallback_req.nbytes = areq->nbytes;
161 	rctx->fallback_req.src = areq->src;
162 	rctx->fallback_req.result = areq->result;
178 static int sun8i_ce_hash_digest_fb(struct ahash_request *areq)
180 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
181 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
185 	rctx->fallback_req.base.flags = areq->base.flags &
188 	rctx->fallback_req.nbytes = areq->nbytes;
189 	rctx->fallback_req.src = areq->src;
190 	rctx->fallback_req.result = areq->result;
206 static bool sun8i_ce_hash_need_fallback(struct ahash_request *areq)
208 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
215 	if (areq->nbytes == 0) {
220 	if (sg_nents_for_len(areq->src, areq->nbytes) > MAX_SG - 1) {
224 	sg = areq->src;
239 int sun8i_ce_hash_digest(struct ahash_request *areq)
241 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
243 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
250 	if (sun8i_ce_hash_need_fallback(areq))
251 		return sun8i_ce_hash_digest_fb(areq);
253 	nr_sgs = sg_nents_for_len(areq->src, areq->nbytes);
255 		return sun8i_ce_hash_digest_fb(areq);
257 	for_each_sg(areq->src, sg, nr_sgs, i) {
259 			return sun8i_ce_hash_digest_fb(areq);
269 	return crypto_transfer_hash_request_to_engine(engine, areq);
332 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
333 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
335 	struct sun8i_ce_hash_reqctx *rctx = ahash_request_ctx(areq);
352 	int ns = sg_nents_for_len(areq->src, areq->nbytes);
384 	dev_dbg(ce->dev, "%s %s len=%d\n", __func__, crypto_tfm_alg_name(areq->base.tfm), areq->nbytes);
397 	nr_sgs = dma_map_sg(ce->dev, areq->src, ns, DMA_TO_DEVICE);
404 	len = areq->nbytes;
405 	for_each_sg(areq->src, sg, nr_sgs, i) {
425 	byte_count = areq->nbytes;
457 		cet->t_dlen = cpu_to_le32((areq->nbytes + j * 4) * 8);
459 		cet->t_dlen = cpu_to_le32(areq->nbytes / 4 + j);
461 	chan->timeout = areq->nbytes;
466 	dma_unmap_sg(ce->dev, areq->src, ns, DMA_TO_DEVICE);
470 	memcpy(areq->result, result, algt->alg.hash.base.halg.digestsize);