allwinner/sun8i-ss/sun8i-ss-hash.c

144 int sun8i_ss_hash_init(struct ahash_request *areq)
146 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
147 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
153 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
158 int sun8i_ss_hash_export(struct ahash_request *areq, void *out)
160 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
161 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
165 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
170 int sun8i_ss_hash_import(struct ahash_request *areq, const void *in)
172 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
173 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
177 	rctx->fallback_req.base.flags = areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP;
182 int sun8i_ss_hash_final(struct ahash_request *areq)
184 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
185 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
189 	rctx->fallback_req.base.flags = areq->base.flags &
191 	rctx->fallback_req.result = areq->result;
208 int sun8i_ss_hash_update(struct ahash_request *areq)
210 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
211 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
215 	rctx->fallback_req.base.flags = areq->base.flags &
217 	rctx->fallback_req.nbytes = areq->nbytes;
218 	rctx->fallback_req.src = areq->src;
223 int sun8i_ss_hash_finup(struct ahash_request *areq)
225 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
226 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
230 	rctx->fallback_req.base.flags = areq->base.flags &
233 	rctx->fallback_req.nbytes = areq->nbytes;
234 	rctx->fallback_req.src = areq->src;
235 	rctx->fallback_req.result = areq->result;
252 static int sun8i_ss_hash_digest_fb(struct ahash_request *areq)
254 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
255 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
259 	rctx->fallback_req.base.flags = areq->base.flags &
262 	rctx->fallback_req.nbytes = areq->nbytes;
263 	rctx->fallback_req.src = areq->src;
264 	rctx->fallback_req.result = areq->result;
340 static bool sun8i_ss_hash_need_fallback(struct ahash_request *areq)
342 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
349 	if (areq->nbytes == 0) {
354 	if (areq->nbytes >= MAX_PAD_SIZE - 64) {
360 	if (sg_nents(areq->src) > MAX_SG - 1) {
365 	sg = areq->src;
389 int sun8i_ss_hash_digest(struct ahash_request *areq)
391 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
392 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
399 	if (sun8i_ss_hash_need_fallback(areq))
400 		return sun8i_ss_hash_digest_fb(areq);
409 	return crypto_transfer_hash_request_to_engine(engine, areq);
475 	struct ahash_request *areq = container_of(breq, struct ahash_request, base);
476 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
478 	struct sun8i_ss_hash_reqctx *rctx = ahash_request_ctx(areq);
520 	nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE);
535 	len = areq->nbytes;
536 	sg = areq->src;
569 	byte_count = areq->nbytes;
590 		byte_count = areq->nbytes + bs;
650 	err = sun8i_ss_run_hash_task(ss, rctx, crypto_tfm_alg_name(areq->base.tfm));
686 		dma_unmap_sg(ss->dev, areq->src, sg_nents(areq->src),
694 		memcpy(areq->result, result, crypto_ahash_digestsize(tfm));