30 	struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);  in qce_skcipher_done()  local
49 		dma_unmap_sg(qce->dev, rctx->src_sg, rctx->src_nents, dir_src);  in qce_skcipher_done()
50 	dma_unmap_sg(qce->dev, rctx->dst_sg, rctx->dst_nents, dir_dst);  in qce_skcipher_done()
52 	sg_free_table(&rctx->dst_tbl);  in qce_skcipher_done()
58 	memcpy(rctx->iv, result_buf->encr_cntr_iv, rctx->ivsize);  in qce_skcipher_done()
66 	struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);  in qce_skcipher_async_req_handle()  local
76 	rctx->iv = req->iv;  in qce_skcipher_async_req_handle()
77 	rctx->ivsize = crypto_skcipher_ivsize(skcipher);  in qce_skcipher_async_req_handle()
78 	rctx->cryptlen = req->cryptlen;  in qce_skcipher_async_req_handle()
84 	rctx->src_nents = sg_nents_for_len(req->src, req->cryptlen);  in qce_skcipher_async_req_handle()
86 		rctx->dst_nents = sg_nents_for_len(req->dst, req->cryptlen);  in qce_skcipher_async_req_handle()
88 		rctx->dst_nents = rctx->src_nents;  in qce_skcipher_async_req_handle()
89 	if (rctx->src_nents < 0) {  in qce_skcipher_async_req_handle()
91 		return rctx->src_nents;  in qce_skcipher_async_req_handle()
93 	if (rctx->dst_nents < 0) {  in qce_skcipher_async_req_handle()
95 		return -rctx->dst_nents;  in qce_skcipher_async_req_handle()
98 	rctx->dst_nents += 1;  in qce_skcipher_async_req_handle()
103 	ret = sg_alloc_table(&rctx->dst_tbl, rctx->dst_nents, gfp);  in qce_skcipher_async_req_handle()
107 	sg_init_one(&rctx->result_sg, qce->dma.result_buf, QCE_RESULT_BUF_SZ);  in qce_skcipher_async_req_handle()
109 	sg = qce_sgtable_add(&rctx->dst_tbl, req->dst, req->cryptlen);  in qce_skcipher_async_req_handle()
115 	sg = qce_sgtable_add(&rctx->dst_tbl, &rctx->result_sg,  in qce_skcipher_async_req_handle()
123 	rctx->dst_sg = rctx->dst_tbl.sgl;  in qce_skcipher_async_req_handle()
125 	dst_nents = dma_map_sg(qce->dev, rctx->dst_sg, rctx->dst_nents, dir_dst);  in qce_skcipher_async_req_handle()
132 		src_nents = dma_map_sg(qce->dev, req->src, rctx->src_nents, dir_src);  in qce_skcipher_async_req_handle()
137 		rctx->src_sg = req->src;  in qce_skcipher_async_req_handle()
139 		rctx->src_sg = rctx->dst_sg;  in qce_skcipher_async_req_handle()
143 	ret = qce_dma_prep_sgs(&qce->dma, rctx->src_sg, src_nents,  in qce_skcipher_async_req_handle()
144 			       rctx->dst_sg, dst_nents,  in qce_skcipher_async_req_handle()
161 		dma_unmap_sg(qce->dev, req->src, rctx->src_nents, dir_src);  in qce_skcipher_async_req_handle()
163 	dma_unmap_sg(qce->dev, rctx->dst_sg, rctx->dst_nents, dir_dst);  in qce_skcipher_async_req_handle()
165 	sg_free_table(&rctx->dst_tbl);  in qce_skcipher_async_req_handle()
227 	struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);  in qce_skcipher_crypt()  local
232 	rctx->flags = tmpl->alg_flags;  in qce_skcipher_crypt()
233 	rctx->flags |= encrypt ? QCE_ENCRYPT : QCE_DECRYPT;  in qce_skcipher_crypt()
234 	keylen = IS_XTS(rctx->flags) ? ctx->enc_keylen >> 1 : ctx->enc_keylen;  in qce_skcipher_crypt()
239 	if (IS_AES(rctx->flags) &&  in qce_skcipher_crypt()
242 	     (IS_XTS(rctx->flags) && req->cryptlen > QCE_SECTOR_SIZE &&  in qce_skcipher_crypt()
244 		skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback);  in qce_skcipher_crypt()
245 		skcipher_request_set_callback(&rctx->fallback_req,  in qce_skcipher_crypt()
249 		skcipher_request_set_crypt(&rctx->fallback_req, req->src,  in qce_skcipher_crypt()
251 		ret = encrypt ? crypto_skcipher_encrypt(&rctx->fallback_req) :  in qce_skcipher_crypt()
252 				crypto_skcipher_decrypt(&rctx->fallback_req);  in qce_skcipher_crypt()