diff options
Diffstat (limited to 'drivers/crypto/virtio/virtio_crypto_skcipher_algs.c')
| -rw-r--r-- | drivers/crypto/virtio/virtio_crypto_skcipher_algs.c | 42 |
1 files changed, 15 insertions, 27 deletions
diff --git a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c index e5876286828b..1b3fb21a2a7d 100644 --- a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c @@ -6,21 +6,17 @@ * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD. */ -#include <linux/scatterlist.h> -#include <crypto/algapi.h> +#include <crypto/engine.h> #include <crypto/internal/skcipher.h> -#include <linux/err.h> #include <crypto/scatterwalk.h> -#include <linux/atomic.h> - +#include <linux/err.h> +#include <linux/scatterlist.h> #include <uapi/linux/virtio_crypto.h> #include "virtio_crypto_common.h" struct virtio_crypto_skcipher_ctx { - struct crypto_engine_ctx enginectx; struct virtio_crypto *vcrypto; - struct crypto_skcipher *tfm; struct virtio_crypto_sym_session_info enc_sess_info; struct virtio_crypto_sym_session_info dec_sess_info; @@ -31,8 +27,6 @@ struct virtio_crypto_sym_request { /* Cipher or aead */ uint32_t type; - struct virtio_crypto_skcipher_ctx *skcipher_ctx; - struct skcipher_request *skcipher_req; uint8_t *iv; /* Encryption? */ bool encrypt; @@ -42,7 +36,7 @@ struct virtio_crypto_algo { uint32_t algonum; uint32_t service; unsigned int active_devs; - struct skcipher_alg algo; + struct skcipher_engine_alg algo; }; /* @@ -60,7 +54,9 @@ static void virtio_crypto_dataq_sym_callback { struct virtio_crypto_sym_request *vc_sym_req = container_of(vc_req, struct virtio_crypto_sym_request, base); - struct skcipher_request *ablk_req; + struct skcipher_request *ablk_req = + container_of((void *)vc_sym_req, struct skcipher_request, + __ctx); int error; /* Finish the encrypt or decrypt process */ @@ -80,7 +76,6 @@ static void virtio_crypto_dataq_sym_callback error = -EIO; break; } - ablk_req = vc_sym_req->skcipher_req; virtio_crypto_skcipher_finalize_req(vc_sym_req, ablk_req, error); } @@ -328,7 +323,7 @@ __virtio_crypto_skcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, struct data_queue *data_vq) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); - struct virtio_crypto_skcipher_ctx *ctx = vc_sym_req->skcipher_ctx; + struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm); struct virtio_crypto_request *vc_req = &vc_sym_req->base; unsigned int ivsize = crypto_skcipher_ivsize(tfm); struct virtio_crypto *vcrypto = ctx->vcrypto; @@ -484,8 +479,6 @@ static int virtio_crypto_skcipher_encrypt(struct skcipher_request *req) vc_req->dataq = data_vq; vc_req->alg_cb = virtio_crypto_dataq_sym_callback; - vc_sym_req->skcipher_ctx = ctx; - vc_sym_req->skcipher_req = req; vc_sym_req->encrypt = true; return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req); @@ -509,8 +502,6 @@ static int virtio_crypto_skcipher_decrypt(struct skcipher_request *req) vc_req->dataq = data_vq; vc_req->alg_cb = virtio_crypto_dataq_sym_callback; - vc_sym_req->skcipher_ctx = ctx; - vc_sym_req->skcipher_req = req; vc_sym_req->encrypt = false; return crypto_transfer_skcipher_request_to_engine(data_vq->engine, req); @@ -518,14 +509,8 @@ static int virtio_crypto_skcipher_decrypt(struct skcipher_request *req) static int virtio_crypto_skcipher_init(struct crypto_skcipher *tfm) { - struct virtio_crypto_skcipher_ctx *ctx = crypto_skcipher_ctx(tfm); - crypto_skcipher_set_reqsize(tfm, sizeof(struct virtio_crypto_sym_request)); - ctx->tfm = tfm; - ctx->enginectx.op.do_one_request = virtio_crypto_skcipher_crypt_req; - ctx->enginectx.op.prepare_request = NULL; - ctx->enginectx.op.unprepare_request = NULL; return 0; } @@ -580,7 +565,7 @@ static void virtio_crypto_skcipher_finalize_req( static struct virtio_crypto_algo virtio_crypto_algs[] = { { .algonum = VIRTIO_CRYPTO_CIPHER_AES_CBC, .service = VIRTIO_CRYPTO_SERVICE_CIPHER, - .algo = { + .algo.base = { .base.cra_name = "cbc(aes)", .base.cra_driver_name = "virtio_crypto_aes_cbc", .base.cra_priority = 150, @@ -598,6 +583,9 @@ static struct virtio_crypto_algo virtio_crypto_algs[] = { { .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, }, + .algo.op = { + .do_one_request = virtio_crypto_skcipher_crypt_req, + }, } }; int virtio_crypto_skcipher_algs_register(struct virtio_crypto *vcrypto) @@ -616,14 +604,14 @@ int virtio_crypto_skcipher_algs_register(struct virtio_crypto *vcrypto) continue; if (virtio_crypto_algs[i].active_devs == 0) { - ret = crypto_register_skcipher(&virtio_crypto_algs[i].algo); + ret = crypto_engine_register_skcipher(&virtio_crypto_algs[i].algo); if (ret) goto unlock; } virtio_crypto_algs[i].active_devs++; dev_info(&vcrypto->vdev->dev, "Registered algo %s\n", - virtio_crypto_algs[i].algo.base.cra_name); + virtio_crypto_algs[i].algo.base.base.cra_name); } unlock: @@ -647,7 +635,7 @@ void virtio_crypto_skcipher_algs_unregister(struct virtio_crypto *vcrypto) continue; if (virtio_crypto_algs[i].active_devs == 1) - crypto_unregister_skcipher(&virtio_crypto_algs[i].algo); + crypto_engine_unregister_skcipher(&virtio_crypto_algs[i].algo); virtio_crypto_algs[i].active_devs--; } |