diff options
Diffstat (limited to 'drivers/crypto/omap-aes.c')
-rw-r--r-- | drivers/crypto/omap-aes.c | 209 |
1 files changed, 101 insertions, 108 deletions
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 2f53fbb74100..a1fc03ed01f3 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -142,8 +142,8 @@ int omap_aes_write_ctrl(struct omap_aes_dev *dd) __le32_to_cpu(dd->ctx->key[i])); } - if ((dd->flags & (FLAGS_CBC | FLAGS_CTR)) && dd->req->info) - omap_aes_write_n(dd, AES_REG_IV(dd, 0), dd->req->info, 4); + if ((dd->flags & (FLAGS_CBC | FLAGS_CTR)) && dd->req->iv) + omap_aes_write_n(dd, AES_REG_IV(dd, 0), (void *)dd->req->iv, 4); if ((dd->flags & (FLAGS_GCM)) && dd->aead_req->iv) { rctx = aead_request_ctx(dd->aead_req); @@ -382,11 +382,11 @@ int omap_aes_crypt_dma_start(struct omap_aes_dev *dd) static void omap_aes_finish_req(struct omap_aes_dev *dd, int err) { - struct ablkcipher_request *req = dd->req; + struct skcipher_request *req = dd->req; pr_debug("err: %d\n", err); - crypto_finalize_ablkcipher_request(dd->engine, req, err); + crypto_finalize_skcipher_request(dd->engine, req, err); pm_runtime_mark_last_busy(dd->dev); pm_runtime_put_autosuspend(dd->dev); @@ -403,10 +403,10 @@ int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd) } static int omap_aes_handle_queue(struct omap_aes_dev *dd, - struct ablkcipher_request *req) + struct skcipher_request *req) { if (req) - return crypto_transfer_ablkcipher_request_to_engine(dd->engine, req); + return crypto_transfer_skcipher_request_to_engine(dd->engine, req); return 0; } @@ -414,10 +414,10 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd, static int omap_aes_prepare_req(struct crypto_engine *engine, void *areq) { - struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base); - struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( - crypto_ablkcipher_reqtfm(req)); - struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct skcipher_request *req = container_of(areq, struct skcipher_request, base); + struct omap_aes_ctx *ctx = crypto_skcipher_ctx( + crypto_skcipher_reqtfm(req)); + struct omap_aes_reqctx *rctx = skcipher_request_ctx(req); struct omap_aes_dev *dd = rctx->dd; int ret; u16 flags; @@ -427,8 +427,8 @@ static int omap_aes_prepare_req(struct crypto_engine *engine, /* assign new request to device */ dd->req = req; - dd->total = req->nbytes; - dd->total_save = req->nbytes; + dd->total = req->cryptlen; + dd->total_save = req->cryptlen; dd->in_sg = req->src; dd->out_sg = req->dst; dd->orig_out = req->dst; @@ -469,8 +469,8 @@ static int omap_aes_prepare_req(struct crypto_engine *engine, static int omap_aes_crypt_req(struct crypto_engine *engine, void *areq) { - struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base); - struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct skcipher_request *req = container_of(areq, struct skcipher_request, base); + struct omap_aes_reqctx *rctx = skcipher_request_ctx(req); struct omap_aes_dev *dd = rctx->dd; if (!dd) @@ -505,26 +505,26 @@ static void omap_aes_done_task(unsigned long data) pr_debug("exit\n"); } -static int omap_aes_crypt(struct ablkcipher_request *req, unsigned long mode) +static int omap_aes_crypt(struct skcipher_request *req, unsigned long mode) { - struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( - crypto_ablkcipher_reqtfm(req)); - struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct omap_aes_ctx *ctx = crypto_skcipher_ctx( + crypto_skcipher_reqtfm(req)); + struct omap_aes_reqctx *rctx = skcipher_request_ctx(req); struct omap_aes_dev *dd; int ret; - pr_debug("nbytes: %d, enc: %d, cbc: %d\n", req->nbytes, + pr_debug("nbytes: %d, enc: %d, cbc: %d\n", req->cryptlen, !!(mode & FLAGS_ENCRYPT), !!(mode & FLAGS_CBC)); - if (req->nbytes < aes_fallback_sz) { + if (req->cryptlen < aes_fallback_sz) { SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, ctx->fallback); skcipher_request_set_sync_tfm(subreq, ctx->fallback); skcipher_request_set_callback(subreq, req->base.flags, NULL, NULL); skcipher_request_set_crypt(subreq, req->src, req->dst, - req->nbytes, req->info); + req->cryptlen, req->iv); if (mode & FLAGS_ENCRYPT) ret = crypto_skcipher_encrypt(subreq); @@ -545,10 +545,10 @@ static int omap_aes_crypt(struct ablkcipher_request *req, unsigned long mode) /* ********************** ALG API ************************************ */ -static int omap_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, +static int omap_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { - struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm); + struct omap_aes_ctx *ctx = crypto_skcipher_ctx(tfm); int ret; if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 && @@ -571,32 +571,32 @@ static int omap_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, return 0; } -static int omap_aes_ecb_encrypt(struct ablkcipher_request *req) +static int omap_aes_ecb_encrypt(struct skcipher_request *req) { return omap_aes_crypt(req, FLAGS_ENCRYPT); } -static int omap_aes_ecb_decrypt(struct ablkcipher_request *req) +static int omap_aes_ecb_decrypt(struct skcipher_request *req) { return omap_aes_crypt(req, 0); } -static int omap_aes_cbc_encrypt(struct ablkcipher_request *req) +static int omap_aes_cbc_encrypt(struct skcipher_request *req) { return omap_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_CBC); } -static int omap_aes_cbc_decrypt(struct ablkcipher_request *req) +static int omap_aes_cbc_decrypt(struct skcipher_request *req) { return omap_aes_crypt(req, FLAGS_CBC); } -static int omap_aes_ctr_encrypt(struct ablkcipher_request *req) +static int omap_aes_ctr_encrypt(struct skcipher_request *req) { return omap_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_CTR); } -static int omap_aes_ctr_decrypt(struct ablkcipher_request *req) +static int omap_aes_ctr_decrypt(struct skcipher_request *req) { return omap_aes_crypt(req, FLAGS_CTR); } @@ -606,10 +606,10 @@ static int omap_aes_prepare_req(struct crypto_engine *engine, static int omap_aes_crypt_req(struct crypto_engine *engine, void *req); -static int omap_aes_cra_init(struct crypto_tfm *tfm) +static int omap_aes_init_tfm(struct crypto_skcipher *tfm) { - const char *name = crypto_tfm_alg_name(tfm); - struct omap_aes_ctx *ctx = crypto_tfm_ctx(tfm); + const char *name = crypto_tfm_alg_name(&tfm->base); + struct omap_aes_ctx *ctx = crypto_skcipher_ctx(tfm); struct crypto_sync_skcipher *blk; blk = crypto_alloc_sync_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK); @@ -618,7 +618,7 @@ static int omap_aes_cra_init(struct crypto_tfm *tfm) ctx->fallback = blk; - tfm->crt_ablkcipher.reqsize = sizeof(struct omap_aes_reqctx); + crypto_skcipher_set_reqsize(tfm, sizeof(struct omap_aes_reqctx)); ctx->enginectx.op.prepare_request = omap_aes_prepare_req; ctx->enginectx.op.unprepare_request = NULL; @@ -657,9 +657,9 @@ static int omap_aes_gcm_cra_init(struct crypto_aead *tfm) return 0; } -static void omap_aes_cra_exit(struct crypto_tfm *tfm) +static void omap_aes_exit_tfm(struct crypto_skcipher *tfm) { - struct omap_aes_ctx *ctx = crypto_tfm_ctx(tfm); + struct omap_aes_ctx *ctx = crypto_skcipher_ctx(tfm); if (ctx->fallback) crypto_free_sync_skcipher(ctx->fallback); @@ -671,7 +671,10 @@ static void omap_aes_gcm_cra_exit(struct crypto_aead *tfm) { struct omap_aes_ctx *ctx = crypto_aead_ctx(tfm); - omap_aes_cra_exit(crypto_aead_tfm(tfm)); + if (ctx->fallback) + crypto_free_sync_skcipher(ctx->fallback); + + ctx->fallback = NULL; if (ctx->ctr) crypto_free_skcipher(ctx->ctr); @@ -679,78 +682,69 @@ static void omap_aes_gcm_cra_exit(struct crypto_aead *tfm) /* ********************** ALGS ************************************ */ -static struct crypto_alg algs_ecb_cbc[] = { +static struct skcipher_alg algs_ecb_cbc[] = { { - .cra_name = "ecb(aes)", - .cra_driver_name = "ecb-aes-omap", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct omap_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = omap_aes_cra_init, - .cra_exit = omap_aes_cra_exit, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = omap_aes_setkey, - .encrypt = omap_aes_ecb_encrypt, - .decrypt = omap_aes_ecb_decrypt, - } + .base.cra_name = "ecb(aes)", + .base.cra_driver_name = "ecb-aes-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_aes_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = omap_aes_setkey, + .encrypt = omap_aes_ecb_encrypt, + .decrypt = omap_aes_ecb_decrypt, + .init = omap_aes_init_tfm, + .exit = omap_aes_exit_tfm, }, { - .cra_name = "cbc(aes)", - .cra_driver_name = "cbc-aes-omap", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct omap_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = omap_aes_cra_init, - .cra_exit = omap_aes_cra_exit, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = omap_aes_setkey, - .encrypt = omap_aes_cbc_encrypt, - .decrypt = omap_aes_cbc_decrypt, - } + .base.cra_name = "cbc(aes)", + .base.cra_driver_name = "cbc-aes-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_aes_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = omap_aes_setkey, + .encrypt = omap_aes_cbc_encrypt, + .decrypt = omap_aes_cbc_decrypt, + .init = omap_aes_init_tfm, + .exit = omap_aes_exit_tfm, } }; -static struct crypto_alg algs_ctr[] = { +static struct skcipher_alg algs_ctr[] = { { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-aes-omap", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_KERN_DRIVER_ONLY | - CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct omap_aes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = omap_aes_cra_init, - .cra_exit = omap_aes_cra_exit, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = omap_aes_setkey, - .encrypt = omap_aes_ctr_encrypt, - .decrypt = omap_aes_ctr_decrypt, - } -} , + .base.cra_name = "ctr(aes)", + .base.cra_driver_name = "ctr-aes-omap", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | + CRYPTO_ALG_ASYNC | + CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct omap_aes_ctx), + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = omap_aes_setkey, + .encrypt = omap_aes_ctr_encrypt, + .decrypt = omap_aes_ctr_decrypt, + .init = omap_aes_init_tfm, + .exit = omap_aes_exit_tfm, +} }; static struct omap_aes_algs_info omap_aes_algs_info_ecb_cbc[] = { @@ -1121,7 +1115,7 @@ static int omap_aes_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct omap_aes_dev *dd; - struct crypto_alg *algp; + struct skcipher_alg *algp; struct aead_alg *aalg; struct resource res; int err = -ENOMEM, i, j, irq = -1; @@ -1215,9 +1209,9 @@ static int omap_aes_probe(struct platform_device *pdev) for (j = 0; j < dd->pdata->algs_info[i].size; j++) { algp = &dd->pdata->algs_info[i].algs_list[j]; - pr_debug("reg alg: %s\n", algp->cra_name); + pr_debug("reg alg: %s\n", algp->base.cra_name); - err = crypto_register_alg(algp); + err = crypto_register_skcipher(algp); if (err) goto err_algs; @@ -1230,9 +1224,8 @@ static int omap_aes_probe(struct platform_device *pdev) !dd->pdata->aead_algs_info->registered) { for (i = 0; i < dd->pdata->aead_algs_info->size; i++) { aalg = &dd->pdata->aead_algs_info->algs_list[i]; - algp = &aalg->base; - pr_debug("reg alg: %s\n", algp->cra_name); + pr_debug("reg alg: %s\n", aalg->base.cra_name); err = crypto_register_aead(aalg); if (err) @@ -1257,7 +1250,7 @@ err_aead_algs: err_algs: for (i = dd->pdata->algs_info_size - 1; i >= 0; i--) for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) - crypto_unregister_alg( + crypto_unregister_skcipher( &dd->pdata->algs_info[i].algs_list[j]); err_engine: @@ -1290,7 +1283,7 @@ static int omap_aes_remove(struct platform_device *pdev) for (i = dd->pdata->algs_info_size - 1; i >= 0; i--) for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) - crypto_unregister_alg( + crypto_unregister_skcipher( &dd->pdata->algs_info[i].algs_list[j]); for (i = dd->pdata->aead_algs_info->size - 1; i >= 0; i--) { |