diff options
Diffstat (limited to 'drivers/crypto/vmx')
-rw-r--r-- | drivers/crypto/vmx/Makefile | 1 | ||||
-rw-r--r-- | drivers/crypto/vmx/aes_ctr.c | 33 | ||||
-rw-r--r-- | drivers/crypto/vmx/aesp8-ppc.h | 1 | ||||
-rw-r--r-- | drivers/crypto/vmx/ppc-xlate.pl | 1 |
4 files changed, 20 insertions, 16 deletions
diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile index 55f7c392582f..cab32cfec9c4 100644 --- a/drivers/crypto/vmx/Makefile +++ b/drivers/crypto/vmx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o diff --git a/drivers/crypto/vmx/aes_ctr.c b/drivers/crypto/vmx/aes_ctr.c index 17d84217dd76..fc60d00a2e84 100644 --- a/drivers/crypto/vmx/aes_ctr.c +++ b/drivers/crypto/vmx/aes_ctr.c @@ -27,21 +27,23 @@ #include <asm/switch_to.h> #include <crypto/aes.h> #include <crypto/scatterwalk.h> +#include <crypto/skcipher.h> + #include "aesp8-ppc.h" struct p8_aes_ctr_ctx { - struct crypto_blkcipher *fallback; + struct crypto_skcipher *fallback; struct aes_key enc_key; }; static int p8_aes_ctr_init(struct crypto_tfm *tfm) { const char *alg = crypto_tfm_alg_name(tfm); - struct crypto_blkcipher *fallback; + struct crypto_skcipher *fallback; struct p8_aes_ctr_ctx *ctx = crypto_tfm_ctx(tfm); - fallback = - crypto_alloc_blkcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK); + fallback = crypto_alloc_skcipher(alg, 0, + CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(fallback)) { printk(KERN_ERR "Failed to allocate transformation for '%s': %ld\n", @@ -49,11 +51,11 @@ static int p8_aes_ctr_init(struct crypto_tfm *tfm) return PTR_ERR(fallback); } printk(KERN_INFO "Using '%s' as fallback implementation.\n", - crypto_tfm_alg_driver_name((struct crypto_tfm *) fallback)); + crypto_skcipher_driver_name(fallback)); - crypto_blkcipher_set_flags( + crypto_skcipher_set_flags( fallback, - crypto_blkcipher_get_flags((struct crypto_blkcipher *)tfm)); + crypto_skcipher_get_flags((struct crypto_skcipher *)tfm)); ctx->fallback = fallback; return 0; @@ -64,7 +66,7 @@ static void p8_aes_ctr_exit(struct crypto_tfm *tfm) struct p8_aes_ctr_ctx *ctx = crypto_tfm_ctx(tfm); if (ctx->fallback) { - crypto_free_blkcipher(ctx->fallback); + crypto_free_skcipher(ctx->fallback); ctx->fallback = NULL; } } @@ -83,7 +85,7 @@ static int p8_aes_ctr_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_enable(); preempt_enable(); - ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen); + ret += crypto_skcipher_setkey(ctx->fallback, key, keylen); return ret; } @@ -117,15 +119,14 @@ static int p8_aes_ctr_crypt(struct blkcipher_desc *desc, struct blkcipher_walk walk; struct p8_aes_ctr_ctx *ctx = crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm)); - struct blkcipher_desc fallback_desc = { - .tfm = ctx->fallback, - .info = desc->info, - .flags = desc->flags - }; if (in_interrupt()) { - ret = crypto_blkcipher_encrypt(&fallback_desc, dst, src, - nbytes); + SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback); + skcipher_request_set_tfm(req, ctx->fallback); + skcipher_request_set_callback(req, desc->flags, NULL, NULL); + skcipher_request_set_crypt(req, src, dst, nbytes, desc->info); + ret = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); } else { blkcipher_walk_init(&walk, dst, src, nbytes); ret = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE); diff --git a/drivers/crypto/vmx/aesp8-ppc.h b/drivers/crypto/vmx/aesp8-ppc.h index 01972e16a6c0..349646b73754 100644 --- a/drivers/crypto/vmx/aesp8-ppc.h +++ b/drivers/crypto/vmx/aesp8-ppc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/types.h> #include <crypto/aes.h> diff --git a/drivers/crypto/vmx/ppc-xlate.pl b/drivers/crypto/vmx/ppc-xlate.pl index b18e67d0e065..36db2ef09e5b 100644 --- a/drivers/crypto/vmx/ppc-xlate.pl +++ b/drivers/crypto/vmx/ppc-xlate.pl @@ -1,4 +1,5 @@ #!/usr/bin/env perl +# SPDX-License-Identifier: GPL-2.0 # PowerPC assembler distiller by <appro>. |