diff options
Diffstat (limited to 'drivers/crypto')
141 files changed, 2530 insertions, 2395 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 0be55fcc19ba..0af08081e305 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menuconfig CRYPTO_HW bool "Hardware crypto devices" @@ -404,15 +405,6 @@ config CRYPTO_DEV_SAHARA This option enables support for the SAHARA HW crypto accelerator found in some Freescale i.MX chips. -config CRYPTO_DEV_MXC_SCC - tristate "Support for Freescale Security Controller (SCC)" - depends on ARCH_MXC && OF - select CRYPTO_BLKCIPHER - select CRYPTO_DES - help - This option enables support for the Security Controller (SCC) - found in Freescale i.MX25 chips. - config CRYPTO_DEV_EXYNOS_RNG tristate "EXYNOS HW pseudo random number generator support" depends on ARCH_EXYNOS || COMPILE_TEST diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 8e7e225d2446..a23a7197fcd7 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -18,7 +18,6 @@ obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell/ obj-$(CONFIG_CRYPTO_DEV_MEDIATEK) += mediatek/ obj-$(CONFIG_CRYPTO_DEV_MXS_DCP) += mxs-dcp.o -obj-$(CONFIG_CRYPTO_DEV_MXC_SCC) += mxc-scc.o obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o n2_crypto-y := n2_core.o n2_asm.o obj-$(CONFIG_CRYPTO_DEV_NX) += nx/ diff --git a/drivers/crypto/amcc/Makefile b/drivers/crypto/amcc/Makefile index e33c185fc163..d6623991328c 100644 --- a/drivers/crypto/amcc/Makefile +++ b/drivers/crypto/amcc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += crypto4xx.o crypto4xx-y := crypto4xx_core.o crypto4xx_alg.o crypto4xx-$(CONFIG_HW_RANDOM_PPC4XX) += crypto4xx_trng.o diff --git a/drivers/crypto/amcc/crypto4xx_alg.c b/drivers/crypto/amcc/crypto4xx_alg.c index 4092c2aad8e2..307f5cfa9ba4 100644 --- a/drivers/crypto/amcc/crypto4xx_alg.c +++ b/drivers/crypto/amcc/crypto4xx_alg.c @@ -141,9 +141,10 @@ static int crypto4xx_setkey_aes(struct crypto_skcipher *cipher, /* Setup SA */ sa = ctx->sa_in; - set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, (cm == CRYPTO_MODE_CBC ? - SA_SAVE_IV : SA_NOT_SAVE_IV), - SA_LOAD_HASH_FROM_SA, SA_LOAD_IV_FROM_STATE, + set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, (cm == CRYPTO_MODE_ECB ? + SA_NOT_SAVE_IV : SA_SAVE_IV), + SA_NOT_LOAD_HASH, (cm == CRYPTO_MODE_ECB ? + SA_LOAD_IV_FROM_SA : SA_LOAD_IV_FROM_STATE), SA_NO_HEADER_PROC, SA_HASH_ALG_NULL, SA_CIPHER_ALG_AES, SA_PAD_TYPE_ZERO, SA_OP_GROUP_BASIC, SA_OPCODE_DECRYPT, @@ -162,6 +163,11 @@ static int crypto4xx_setkey_aes(struct crypto_skcipher *cipher, memcpy(ctx->sa_out, ctx->sa_in, ctx->sa_len * 4); sa = ctx->sa_out; sa->sa_command_0.bf.dir = DIR_OUTBOUND; + /* + * SA_OPCODE_ENCRYPT is the same value as SA_OPCODE_DECRYPT. + * it's the DIR_(IN|OUT)BOUND that matters + */ + sa->sa_command_0.bf.opcode = SA_OPCODE_ENCRYPT; return 0; } @@ -258,10 +264,10 @@ crypto4xx_ctr_crypt(struct skcipher_request *req, bool encrypt) * overlow. */ if (counter + nblks < counter) { - struct skcipher_request *subreq = skcipher_request_ctx(req); + SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, ctx->sw_cipher.cipher); int ret; - skcipher_request_set_tfm(subreq, ctx->sw_cipher.cipher); + skcipher_request_set_sync_tfm(subreq, ctx->sw_cipher.cipher); skcipher_request_set_callback(subreq, req->base.flags, NULL, NULL); skcipher_request_set_crypt(subreq, req->src, req->dst, @@ -283,14 +289,14 @@ static int crypto4xx_sk_setup_fallback(struct crypto4xx_ctx *ctx, { int rc; - crypto_skcipher_clear_flags(ctx->sw_cipher.cipher, + crypto_sync_skcipher_clear_flags(ctx->sw_cipher.cipher, CRYPTO_TFM_REQ_MASK); - crypto_skcipher_set_flags(ctx->sw_cipher.cipher, + crypto_sync_skcipher_set_flags(ctx->sw_cipher.cipher, crypto_skcipher_get_flags(cipher) & CRYPTO_TFM_REQ_MASK); - rc = crypto_skcipher_setkey(ctx->sw_cipher.cipher, key, keylen); + rc = crypto_sync_skcipher_setkey(ctx->sw_cipher.cipher, key, keylen); crypto_skcipher_clear_flags(cipher, CRYPTO_TFM_RES_MASK); crypto_skcipher_set_flags(cipher, - crypto_skcipher_get_flags(ctx->sw_cipher.cipher) & + crypto_sync_skcipher_get_flags(ctx->sw_cipher.cipher) & CRYPTO_TFM_RES_MASK); return rc; diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 06574a884715..3934c2523762 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -539,7 +539,7 @@ static void crypto4xx_cipher_done(struct crypto4xx_device *dev, req = skcipher_request_cast(pd_uinfo->async_req); - if (pd_uinfo->using_sd) { + if (pd_uinfo->sa_va->sa_command_0.bf.scatter) { crypto4xx_copy_pkt_to_dst(dev, pd, pd_uinfo, req->cryptlen, req->dst); } else { @@ -593,7 +593,7 @@ static void crypto4xx_aead_done(struct crypto4xx_device *dev, u32 icv[AES_BLOCK_SIZE]; int err = 0; - if (pd_uinfo->using_sd) { + if (pd_uinfo->sa_va->sa_command_0.bf.scatter) { crypto4xx_copy_pkt_to_dst(dev, pd, pd_uinfo, pd->pd_ctl_len.bf.pkt_len, dst); @@ -714,7 +714,23 @@ int crypto4xx_build_pd(struct crypto_async_request *req, size_t offset_to_sr_ptr; u32 gd_idx = 0; int tmp; - bool is_busy; + bool is_busy, force_sd; + + /* + * There's a very subtile/disguised "bug" in the hardware that + * gets indirectly mentioned in 18.1.3.5 Encryption/Decryption + * of the hardware spec: + * *drum roll* the AES/(T)DES OFB and CFB modes are listed as + * operation modes for >>> "Block ciphers" <<<. + * + * To workaround this issue and stop the hardware from causing + * "overran dst buffer" on crypttexts that are not a multiple + * of 16 (AES_BLOCK_SIZE), we force the driver to use the + * scatter buffers. + */ + force_sd = (req_sa->sa_command_1.bf.crypto_mode9_8 == CRYPTO_MODE_CFB + || req_sa->sa_command_1.bf.crypto_mode9_8 == CRYPTO_MODE_OFB) + && (datalen % AES_BLOCK_SIZE); /* figure how many gd are needed */ tmp = sg_nents_for_len(src, assoclen + datalen); @@ -732,7 +748,7 @@ int crypto4xx_build_pd(struct crypto_async_request *req, } /* figure how many sd are needed */ - if (sg_is_last(dst)) { + if (sg_is_last(dst) && force_sd == false) { num_sd = 0; } else { if (datalen > PPC4XX_SD_BUFFER_SIZE) { @@ -807,9 +823,10 @@ int crypto4xx_build_pd(struct crypto_async_request *req, pd->sa_len = sa_len; pd_uinfo = &dev->pdr_uinfo[pd_entry]; - pd_uinfo->async_req = req; pd_uinfo->num_gd = num_gd; pd_uinfo->num_sd = num_sd; + pd_uinfo->dest_va = dst; + pd_uinfo->async_req = req; if (iv_len) memcpy(pd_uinfo->sr_va->save_iv, iv, iv_len); @@ -828,7 +845,6 @@ int crypto4xx_build_pd(struct crypto_async_request *req, /* get first gd we are going to use */ gd_idx = fst_gd; pd_uinfo->first_gd = fst_gd; - pd_uinfo->num_gd = num_gd; gd = crypto4xx_get_gdp(dev, &gd_dma, gd_idx); pd->src = gd_dma; /* enable gather */ @@ -865,17 +881,13 @@ int crypto4xx_build_pd(struct crypto_async_request *req, * Indicate gather array is not used */ pd_uinfo->first_gd = 0xffffffff; - pd_uinfo->num_gd = 0; } - if (sg_is_last(dst)) { + if (!num_sd) { /* * we know application give us dst a whole piece of memory * no need to use scatter ring. */ - pd_uinfo->using_sd = 0; pd_uinfo->first_sd = 0xffffffff; - pd_uinfo->num_sd = 0; - pd_uinfo->dest_va = dst; sa->sa_command_0.bf.scatter = 0; pd->dest = (u32)dma_map_page(dev->core_dev->device, sg_page(dst), dst->offset, @@ -888,10 +900,7 @@ int crypto4xx_build_pd(struct crypto_async_request *req, u32 sd_idx = fst_sd; nbytes = datalen; sa->sa_command_0.bf.scatter = 1; - pd_uinfo->using_sd = 1; - pd_uinfo->dest_va = dst; pd_uinfo->first_sd = fst_sd; - pd_uinfo->num_sd = num_sd; sd = crypto4xx_get_sdp(dev, &sd_dma, sd_idx); pd->dest = sd_dma; /* setup scatter descriptor */ @@ -954,15 +963,10 @@ static int crypto4xx_sk_init(struct crypto_skcipher *sk) if (alg->base.cra_flags & CRYPTO_ALG_NEED_FALLBACK) { ctx->sw_cipher.cipher = - crypto_alloc_skcipher(alg->base.cra_name, 0, - CRYPTO_ALG_NEED_FALLBACK | - CRYPTO_ALG_ASYNC); + crypto_alloc_sync_skcipher(alg->base.cra_name, 0, + CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(ctx->sw_cipher.cipher)) return PTR_ERR(ctx->sw_cipher.cipher); - - crypto_skcipher_set_reqsize(sk, - sizeof(struct skcipher_request) + 32 + - crypto_skcipher_reqsize(ctx->sw_cipher.cipher)); } amcc_alg = container_of(alg, struct crypto4xx_alg, alg.u.cipher); @@ -981,7 +985,7 @@ static void crypto4xx_sk_exit(struct crypto_skcipher *sk) crypto4xx_common_exit(ctx); if (ctx->sw_cipher.cipher) - crypto_free_skcipher(ctx->sw_cipher.cipher); + crypto_free_sync_skcipher(ctx->sw_cipher.cipher); } static int crypto4xx_aead_init(struct crypto_aead *tfm) diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h index 18df695ca6b1..c624f8cd3d2e 100644 --- a/drivers/crypto/amcc/crypto4xx_core.h +++ b/drivers/crypto/amcc/crypto4xx_core.h @@ -64,7 +64,6 @@ union shadow_sa_buf { struct pd_uinfo { struct crypto4xx_device *dev; u32 state; - u32 using_sd; u32 first_gd; /* first gather discriptor used by this packet */ u32 num_gd; /* number of gather discriptor @@ -131,7 +130,7 @@ struct crypto4xx_ctx { __le32 iv_nonce; u32 sa_len; union { - struct crypto_skcipher *cipher; + struct crypto_sync_skcipher *cipher; struct crypto_aead *aead; } sw_cipher; }; diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 65bf1a299562..fa76620281e8 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -800,20 +800,14 @@ static int atmel_tdes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { struct atmel_tdes_ctx *ctx = crypto_ablkcipher_ctx(tfm); - const char *alg_name; - - alg_name = crypto_tfm_alg_name(crypto_ablkcipher_tfm(tfm)); + u32 flags; + int err; - /* - * HW bug in cfb 3-keys mode. - */ - if (!ctx->dd->caps.has_cfb_3keys && strstr(alg_name, "cfb") - && (keylen != 2*DES_KEY_SIZE)) { - crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } else if ((keylen != 2*DES_KEY_SIZE) && (keylen != 3*DES_KEY_SIZE)) { - crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; + flags = crypto_ablkcipher_get_flags(tfm); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(tfm, flags); + return err; } memcpy(ctx->key, key, keylen); @@ -1060,7 +1054,7 @@ static struct crypto_alg tdes_algs[] = { .cra_module = THIS_MODULE, .cra_init = atmel_tdes_cra_init, .cra_u.ablkcipher = { - .min_keysize = 2 * DES_KEY_SIZE, + .min_keysize = 3 * DES_KEY_SIZE, .max_keysize = 3 * DES_KEY_SIZE, .setkey = atmel_tdes_setkey, .encrypt = atmel_tdes_ecb_encrypt, @@ -1079,7 +1073,7 @@ static struct crypto_alg tdes_algs[] = { .cra_module = THIS_MODULE, .cra_init = atmel_tdes_cra_init, .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, + .min_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, .setkey = atmel_tdes_setkey, @@ -1088,86 +1082,6 @@ static struct crypto_alg tdes_algs[] = { } }, { - .cra_name = "cfb(des3_ede)", - .cra_driver_name = "atmel-cfb-tdes", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct atmel_tdes_ctx), - .cra_alignmask = 0x7, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = atmel_tdes_cra_init, - .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, - .max_keysize = 2*DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = atmel_tdes_setkey, - .encrypt = atmel_tdes_cfb_encrypt, - .decrypt = atmel_tdes_cfb_decrypt, - } -}, -{ - .cra_name = "cfb8(des3_ede)", - .cra_driver_name = "atmel-cfb8-tdes", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = CFB8_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct atmel_tdes_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = atmel_tdes_cra_init, - .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, - .max_keysize = 2*DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = atmel_tdes_setkey, - .encrypt = atmel_tdes_cfb8_encrypt, - .decrypt = atmel_tdes_cfb8_decrypt, - } -}, -{ - .cra_name = "cfb16(des3_ede)", - .cra_driver_name = "atmel-cfb16-tdes", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = CFB16_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct atmel_tdes_ctx), - .cra_alignmask = 0x1, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = atmel_tdes_cra_init, - .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, - .max_keysize = 2*DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = atmel_tdes_setkey, - .encrypt = atmel_tdes_cfb16_encrypt, - .decrypt = atmel_tdes_cfb16_decrypt, - } -}, -{ - .cra_name = "cfb32(des3_ede)", - .cra_driver_name = "atmel-cfb32-tdes", - .cra_priority = 100, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, - .cra_blocksize = CFB32_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct atmel_tdes_ctx), - .cra_alignmask = 0x3, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = atmel_tdes_cra_init, - .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, - .max_keysize = 2*DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = atmel_tdes_setkey, - .encrypt = atmel_tdes_cfb32_encrypt, - .decrypt = atmel_tdes_cfb32_decrypt, - } -}, -{ .cra_name = "ofb(des3_ede)", .cra_driver_name = "atmel-ofb-tdes", .cra_priority = 100, @@ -1179,7 +1093,7 @@ static struct crypto_alg tdes_algs[] = { .cra_module = THIS_MODULE, .cra_init = atmel_tdes_cra_init, .cra_u.ablkcipher = { - .min_keysize = 2*DES_KEY_SIZE, + .min_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, .setkey = atmel_tdes_setkey, diff --git a/drivers/crypto/axis/Makefile b/drivers/crypto/axis/Makefile index be9a84a4b667..146e09e4cc89 100644 --- a/drivers/crypto/axis/Makefile +++ b/drivers/crypto/axis/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_ARTPEC6) := artpec6_crypto.o diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 57e5dca3253f..80fa04ef215f 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for ARTPEC-6 crypto block using the kernel asynchronous crypto api. * @@ -2247,8 +2248,6 @@ artpec6_crypto_hash_set_key(struct crypto_ahash *tfm, SHASH_DESC_ON_STACK(hdesc, tfm_ctx->child_hash); hdesc->tfm = tfm_ctx->child_hash; - hdesc->flags = crypto_ahash_get_flags(tfm) & - CRYPTO_TFM_REQ_MAY_SLEEP; tfm_ctx->hmac_key_length = blocksize; ret = crypto_shash_digest(hdesc, key, keylen, diff --git a/drivers/crypto/bcm/Makefile b/drivers/crypto/bcm/Makefile index 7469e19afe85..8a2110b4eb8f 100644 --- a/drivers/crypto/bcm/Makefile +++ b/drivers/crypto/bcm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # File: drivers/crypto/bcm/Makefile # # Makefile for crypto acceleration files for Broadcom SPU driver diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index 28f592f7e1b7..25f8d3913ceb 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -1840,13 +1840,14 @@ static int threedes_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct iproc_ctx_s *ctx = crypto_ablkcipher_ctx(cipher); if (keylen == (DES_KEY_SIZE * 3)) { - const u32 *K = (const u32 *)key; - u32 flags = CRYPTO_TFM_RES_BAD_KEY_SCHED; + u32 flags; + int ret; - if (!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) { + flags = crypto_ablkcipher_get_flags(cipher); + ret = __des3_verify_key(&flags, key); + if (unlikely(ret)) { crypto_ablkcipher_set_flags(cipher, flags); - return -EINVAL; + return ret; } ctx->cipher_type = CIPHER_TYPE_3DES; @@ -2139,7 +2140,6 @@ static int ahash_init(struct ahash_request *req) goto err_hash; } ctx->shash->tfm = hash; - ctx->shash->flags = 0; /* Set the key using data we already have from setkey */ if (ctx->authkeylen > 0) { @@ -2885,13 +2885,13 @@ static int aead_authenc_setkey(struct crypto_aead *cipher, break; case CIPHER_ALG_3DES: if (ctx->enckeylen == (DES_KEY_SIZE * 3)) { - const u32 *K = (const u32 *)keys.enckey; - u32 flags = CRYPTO_TFM_RES_BAD_KEY_SCHED; + u32 flags; - if (!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) { + flags = crypto_aead_get_flags(cipher); + ret = __des3_verify_key(&flags, keys.enckey); + if (unlikely(ret)) { crypto_aead_set_flags(cipher, flags); - return -EINVAL; + return ret; } ctx->cipher_type = CIPHER_TYPE_3DES; diff --git a/drivers/crypto/bcm/spu.c b/drivers/crypto/bcm/spu.c index dbb5c03dde49..2baf6d7f2c1d 100644 --- a/drivers/crypto/bcm/spu.c +++ b/drivers/crypto/bcm/spu.c @@ -22,9 +22,6 @@ #include "spum.h" #include "cipher.h" -/* This array is based on the hash algo type supported in spu.h */ -char *tag_to_hash_idx[] = { "none", "md5", "sha1", "sha224", "sha256" }; - char *hash_alg_name[] = { "None", "md5", "sha1", "sha224", "sha256", "aes", "sha384", "sha512", "sha3_224", "sha3_256", "sha3_384", "sha3_512" }; diff --git a/drivers/crypto/bcm/util.c b/drivers/crypto/bcm/util.c index d8cda5fb75ad..91ec56399d84 100644 --- a/drivers/crypto/bcm/util.c +++ b/drivers/crypto/bcm/util.c @@ -242,7 +242,6 @@ int do_shash(unsigned char *name, unsigned char *result, goto do_shash_err; } sdesc->shash.tfm = hash; - sdesc->shash.flags = 0x0; if (key_len > 0) { rc = crypto_shash_setkey(hash, key, key_len); diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 579578498deb..c0ece44f303b 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -89,6 +89,7 @@ struct caam_alg_entry { int class2_alg_type; bool rfc3686; bool geniv; + bool nodkp; }; struct caam_aead_alg { @@ -638,6 +639,39 @@ badkey: return -EINVAL; } +static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct crypto_authenc_keys keys; + u32 flags; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(aead); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) { + crypto_aead_set_flags(aead, flags); + goto out; + } + + err = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static int gcm_setkey(struct crypto_aead *aead, const u8 *key, unsigned int keylen) { @@ -2019,6 +2053,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, { @@ -2037,6 +2072,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, /* Galois Counter Mode */ @@ -2056,6 +2092,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, /* single-pass ipsec_esp descriptor */ @@ -2457,7 +2494,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2479,7 +2516,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2502,7 +2539,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2525,7 +2562,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2548,7 +2585,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2571,7 +2608,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2594,7 +2631,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2617,7 +2654,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2640,7 +2677,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2663,7 +2700,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2686,7 +2723,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2709,7 +2746,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -3301,6 +3338,7 @@ static struct caam_aead_alg driver_aeads[] = { OP_ALG_AAI_AEAD, .class2_alg_type = OP_ALG_ALGSEL_POLY1305 | OP_ALG_AAI_AEAD, + .nodkp = true, }, }, { @@ -3323,6 +3361,7 @@ static struct caam_aead_alg driver_aeads[] = { OP_ALG_AAI_AEAD, .class2_alg_type = OP_ALG_ALGSEL_POLY1305 | OP_ALG_AAI_AEAD, + .nodkp = true, }, }, }; @@ -3384,8 +3423,7 @@ static int caam_aead_init(struct crypto_aead *tfm) container_of(alg, struct caam_aead_alg, aead); struct caam_ctx *ctx = crypto_aead_ctx(tfm); - return caam_init_common(ctx, &caam_alg->caam, - alg->setkey == aead_setkey); + return caam_init_common(ctx, &caam_alg->caam, !caam_alg->caam.nodkp); } static void caam_exit_common(struct caam_ctx *ctx) @@ -3460,7 +3498,7 @@ static int __init caam_algapi_init(void) u32 aes_vid, aes_inst, des_inst, md_vid, md_inst, ccha_inst, ptha_inst; u32 arc4_inst; unsigned int md_limit = SHA512_DIGEST_SIZE; - bool registered = false; + bool registered = false, gcm_support; dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); if (!dev_node) { @@ -3493,7 +3531,7 @@ static int __init caam_algapi_init(void) * First, detect presence and attributes of DES, AES, and MD blocks. */ if (priv->era < 10) { - u32 cha_vid, cha_inst; + u32 cha_vid, cha_inst, aes_rn; cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls); aes_vid = cha_vid & CHA_ID_LS_AES_MASK; @@ -3508,6 +3546,10 @@ static int __init caam_algapi_init(void) CHA_ID_LS_ARC4_SHIFT; ccha_inst = 0; ptha_inst = 0; + + aes_rn = rd_reg32(&priv->ctrl->perfmon.cha_rev_ls) & + CHA_ID_LS_AES_MASK; + gcm_support = !(aes_vid == CHA_VER_VID_AES_LP && aes_rn < 8); } else { u32 aesa, mdha; @@ -3523,6 +3565,8 @@ static int __init caam_algapi_init(void) ccha_inst = rd_reg32(&priv->ctrl->vreg.ccha) & CHA_VER_NUM_MASK; ptha_inst = rd_reg32(&priv->ctrl->vreg.ptha) & CHA_VER_NUM_MASK; arc4_inst = rd_reg32(&priv->ctrl->vreg.afha) & CHA_VER_NUM_MASK; + + gcm_support = aesa & CHA_VER_MISC_AES_GCM; } /* If MD is present, limit digest size based on LP256 */ @@ -3595,11 +3639,9 @@ static int __init caam_algapi_init(void) if (c2_alg_sel == OP_ALG_ALGSEL_POLY1305 && !ptha_inst) continue; - /* - * Check support for AES algorithms not available - * on LP devices. - */ - if (aes_vid == CHA_VER_VID_AES_LP && alg_aai == OP_ALG_AAI_GCM) + /* Skip GCM algorithms if not supported by device */ + if (c1_alg_sel == OP_ALG_ALGSEL_AES && + alg_aai == OP_ALG_AAI_GCM && !gcm_support) continue; /* diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index c61921d32489..d290d6b41825 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -36,6 +36,7 @@ struct caam_alg_entry { int class2_alg_type; bool rfc3686; bool geniv; + bool nodkp; }; struct caam_aead_alg { @@ -292,6 +293,39 @@ badkey: return -EINVAL; } +static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct crypto_authenc_keys keys; + u32 flags; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(aead); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) { + crypto_aead_set_flags(aead, flags); + goto out; + } + + err = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static int gcm_set_sh_desc(struct crypto_aead *aead) { struct caam_ctx *ctx = crypto_aead_ctx(aead); @@ -667,6 +701,13 @@ badkey: return -EINVAL; } +static int des3_skcipher_setkey(struct crypto_skcipher *skcipher, + const u8 *key, unsigned int keylen) +{ + return unlikely(des3_verify_key(skcipher, key)) ?: + skcipher_setkey(skcipher, key, keylen); +} + static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, unsigned int keylen) { @@ -1382,7 +1423,7 @@ static struct caam_skcipher_alg driver_algs[] = { .cra_driver_name = "cbc-3des-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = skcipher_setkey, + .setkey = des3_skcipher_setkey, .encrypt = skcipher_encrypt, .decrypt = skcipher_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, @@ -1483,6 +1524,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, { @@ -1501,6 +1543,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, /* Galois Counter Mode */ @@ -1520,6 +1563,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, } }, /* single-pass ipsec_esp descriptor */ @@ -1798,7 +1842,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1820,7 +1864,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1843,7 +1887,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1866,7 +1910,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1889,7 +1933,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1912,7 +1956,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1935,7 +1979,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1958,7 +2002,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1981,7 +2025,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2004,7 +2048,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2027,7 +2071,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2050,7 +2094,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2393,8 +2437,7 @@ static int caam_aead_init(struct crypto_aead *tfm) aead); struct caam_ctx *ctx = crypto_aead_ctx(tfm); - return caam_init_common(ctx, &caam_alg->caam, - alg->setkey == aead_setkey); + return caam_init_common(ctx, &caam_alg->caam, !caam_alg->caam.nodkp); } static void caam_exit_common(struct caam_ctx *ctx) diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c index c2c1abc68f81..2b2980a8a9b9 100644 --- a/drivers/crypto/caam/caamalg_qi2.c +++ b/drivers/crypto/caam/caamalg_qi2.c @@ -42,6 +42,7 @@ struct caam_alg_entry { int class2_alg_type; bool rfc3686; bool geniv; + bool nodkp; }; struct caam_aead_alg { @@ -323,6 +324,39 @@ badkey: return -EINVAL; } +static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct crypto_authenc_keys keys; + u32 flags; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(aead); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) { + crypto_aead_set_flags(aead, flags); + goto out; + } + + err = aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, bool encrypt) { @@ -938,6 +972,13 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, return 0; } +static int des3_skcipher_setkey(struct crypto_skcipher *skcipher, + const u8 *key, unsigned int keylen) +{ + return unlikely(des3_verify_key(skcipher, key)) ?: + skcipher_setkey(skcipher, key, keylen); +} + static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, unsigned int keylen) { @@ -1440,7 +1481,7 @@ static int caam_cra_init_aead(struct crypto_aead *tfm) crypto_aead_set_reqsize(tfm, sizeof(struct caam_request)); return caam_cra_init(crypto_aead_ctx(tfm), &caam_alg->caam, - alg->setkey == aead_setkey); + !caam_alg->caam.nodkp); } static void caam_exit_common(struct caam_ctx *ctx) @@ -1484,7 +1525,7 @@ static struct caam_skcipher_alg driver_algs[] = { .cra_driver_name = "cbc-3des-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = skcipher_setkey, + .setkey = des3_skcipher_setkey, .encrypt = skcipher_encrypt, .decrypt = skcipher_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, @@ -1601,6 +1642,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, { @@ -1619,6 +1661,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, }, }, /* Galois Counter Mode */ @@ -1638,6 +1681,7 @@ static struct caam_aead_alg driver_aeads[] = { }, .caam = { .class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM, + .nodkp = true, } }, /* single-pass ipsec_esp descriptor */ @@ -1916,7 +1960,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1938,7 +1982,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1961,7 +2005,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -1984,7 +2028,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2007,7 +2051,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2030,7 +2074,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2053,7 +2097,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2076,7 +2120,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2099,7 +2143,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2122,7 +2166,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2145,7 +2189,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2168,7 +2212,7 @@ static struct caam_aead_alg driver_aeads[] = { "cbc-des3_ede-caam-qi2", .cra_blocksize = DES3_EDE_BLOCK_SIZE, }, - .setkey = aead_setkey, + .setkey = des3_aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, .decrypt = aead_decrypt, @@ -2715,6 +2759,7 @@ static struct caam_aead_alg driver_aeads[] = { OP_ALG_AAI_AEAD, .class2_alg_type = OP_ALG_ALGSEL_POLY1305 | OP_ALG_AAI_AEAD, + .nodkp = true, }, }, { @@ -2737,6 +2782,7 @@ static struct caam_aead_alg driver_aeads[] = { OP_ALG_AAI_AEAD, .class2_alg_type = OP_ALG_ALGSEL_POLY1305 | OP_ALG_AAI_AEAD, + .nodkp = true, }, }, { @@ -2854,6 +2900,7 @@ struct caam_hash_state { struct caam_request caam_req; dma_addr_t buf_dma; dma_addr_t ctx_dma; + int ctx_dma_len; u8 buf_0[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; int buflen_0; u8 buf_1[CAAM_MAX_HASH_BLOCK_SIZE] ____cacheline_aligned; @@ -2927,6 +2974,7 @@ static inline int ctx_map_to_qm_sg(struct device *dev, struct caam_hash_state *state, int ctx_len, struct dpaa2_sg_entry *qm_sg, u32 flag) { + state->ctx_dma_len = ctx_len; state->ctx_dma = dma_map_single(dev, state->caam_ctx, ctx_len, flag); if (dma_mapping_error(dev, state->ctx_dma)) { dev_err(dev, "unable to map ctx\n"); @@ -3018,13 +3066,13 @@ static void split_key_sh_done(void *cbk_ctx, u32 err) } /* Digest hash size if it is too large */ -static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in, - u32 *keylen, u8 *key_out, u32 digestsize) +static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, + u32 digestsize) { struct caam_request *req_ctx; u32 *desc; struct split_key_sh_result result; - dma_addr_t src_dma, dst_dma; + dma_addr_t key_dma; struct caam_flc *flc; dma_addr_t flc_dma; int ret = -ENOMEM; @@ -3041,17 +3089,10 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in, if (!flc) goto err_flc; - src_dma = dma_map_single(ctx->dev, (void *)key_in, *keylen, - DMA_TO_DEVICE); - if (dma_mapping_error(ctx->dev, src_dma)) { - dev_err(ctx->dev, "unable to map key input memory\n"); - goto err_src_dma; - } - dst_dma = dma_map_single(ctx->dev, (void *)key_out, digestsize, - DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, dst_dma)) { - dev_err(ctx->dev, "unable to map key output memory\n"); - goto err_dst_dma; + key_dma = dma_map_single(ctx->dev, key, *keylen, DMA_BIDIRECTIONAL); + if (dma_mapping_error(ctx->dev, key_dma)) { + dev_err(ctx->dev, "unable to map key memory\n"); + goto err_key_dma; } desc = flc->sh_desc; @@ -3076,14 +3117,14 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in, dpaa2_fl_set_final(in_fle, true); dpaa2_fl_set_format(in_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(in_fle, src_dma); + dpaa2_fl_set_addr(in_fle, key_dma); dpaa2_fl_set_len(in_fle, *keylen); dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, dst_dma); + dpaa2_fl_set_addr(out_fle, key_dma); dpaa2_fl_set_len(out_fle, digestsize); print_hex_dump_debug("key_in@" __stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, key_in, *keylen, 1); + DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1); print_hex_dump_debug("shdesc@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), 1); @@ -3103,17 +3144,15 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in, wait_for_completion(&result.completion); ret = result.err; print_hex_dump_debug("digested key@" __stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, key_in, + DUMP_PREFIX_ADDRESS, 16, 4, key, digestsize, 1); } dma_unmap_single(ctx->dev, flc_dma, sizeof(flc->flc) + desc_bytes(desc), DMA_TO_DEVICE); err_flc_dma: - dma_unmap_single(ctx->dev, dst_dma, digestsize, DMA_FROM_DEVICE); -err_dst_dma: - dma_unmap_single(ctx->dev, src_dma, *keylen, DMA_TO_DEVICE); -err_src_dma: + dma_unmap_single(ctx->dev, key_dma, *keylen, DMA_BIDIRECTIONAL); +err_key_dma: kfree(flc); err_flc: kfree(req_ctx); @@ -3135,12 +3174,10 @@ static int ahash_setkey(struct crypto_ahash *ahash, const u8 *key, dev_dbg(ctx->dev, "keylen %d blocksize %d\n", keylen, blocksize); if (keylen > blocksize) { - hashed_key = kmalloc_array(digestsize, sizeof(*hashed_key), - GFP_KERNEL | GFP_DMA); + hashed_key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA); if (!hashed_key) return -ENOMEM; - ret = hash_digest_key(ctx, key, &keylen, hashed_key, - digestsize); + ret = hash_digest_key(ctx, &keylen, hashed_key, digestsize); if (ret) goto bad_free_key; key = hashed_key; @@ -3165,14 +3202,12 @@ bad_free_key: } static inline void ahash_unmap(struct device *dev, struct ahash_edesc *edesc, - struct ahash_request *req, int dst_len) + struct ahash_request *req) { struct caam_hash_state *state = ahash_request_ctx(req); if (edesc->src_nents) dma_unmap_sg(dev, req->src, edesc->src_nents, DMA_TO_DEVICE); - if (edesc->dst_dma) - dma_unmap_single(dev, edesc->dst_dma, dst_len, DMA_FROM_DEVICE); if (edesc->qm_sg_bytes) dma_unmap_single(dev, edesc->qm_sg_dma, edesc->qm_sg_bytes, @@ -3187,18 +3222,15 @@ static inline void ahash_unmap(struct device *dev, struct ahash_edesc *edesc, static inline void ahash_unmap_ctx(struct device *dev, struct ahash_edesc *edesc, - struct ahash_request *req, int dst_len, - u32 flag) + struct ahash_request *req, u32 flag) { - struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); - struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash); struct caam_hash_state *state = ahash_request_ctx(req); if (state->ctx_dma) { - dma_unmap_single(dev, state->ctx_dma, ctx->ctx_len, flag); + dma_unmap_single(dev, state->ctx_dma, state->ctx_dma_len, flag); state->ctx_dma = 0; } - ahash_unmap(dev, edesc, req, dst_len); + ahash_unmap(dev, edesc, req); } static void ahash_done(void *cbk_ctx, u32 status) @@ -3219,16 +3251,13 @@ static void ahash_done(void *cbk_ctx, u32 status) ecode = -EIO; } - ahash_unmap(ctx->dev, edesc, req, digestsize); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); + memcpy(req->result, state->caam_ctx, digestsize); qi_cache_free(edesc); print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, ctx->ctx_len, 1); - if (req->result) - print_hex_dump_debug("result@" __stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, req->result, - digestsize, 1); req->base.complete(&req->base, ecode); } @@ -3250,7 +3279,7 @@ static void ahash_done_bi(void *cbk_ctx, u32 status) ecode = -EIO; } - ahash_unmap_ctx(ctx->dev, edesc, req, ctx->ctx_len, DMA_BIDIRECTIONAL); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); switch_buf(state); qi_cache_free(edesc); @@ -3283,16 +3312,13 @@ static void ahash_done_ctx_src(void *cbk_ctx, u32 status) ecode = -EIO; } - ahash_unmap_ctx(ctx->dev, edesc, req, digestsize, DMA_TO_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); + memcpy(req->result, state->caam_ctx, digestsize); qi_cache_free(edesc); print_hex_dump_debug("ctx@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, ctx->ctx_len, 1); - if (req->result) - print_hex_dump_debug("result@" __stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, req->result, - digestsize, 1); req->base.complete(&req->base, ecode); } @@ -3314,7 +3340,7 @@ static void ahash_done_ctx_dst(void *cbk_ctx, u32 status) ecode = -EIO; } - ahash_unmap_ctx(ctx->dev, edesc, req, ctx->ctx_len, DMA_FROM_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); switch_buf(state); qi_cache_free(edesc); @@ -3452,7 +3478,7 @@ static int ahash_update_ctx(struct ahash_request *req) return ret; unmap_ctx: - ahash_unmap_ctx(ctx->dev, edesc, req, ctx->ctx_len, DMA_BIDIRECTIONAL); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); qi_cache_free(edesc); return ret; } @@ -3484,7 +3510,7 @@ static int ahash_final_ctx(struct ahash_request *req) sg_table = &edesc->sgt[0]; ret = ctx_map_to_qm_sg(ctx->dev, state, ctx->ctx_len, sg_table, - DMA_TO_DEVICE); + DMA_BIDIRECTIONAL); if (ret) goto unmap_ctx; @@ -3503,22 +3529,13 @@ static int ahash_final_ctx(struct ahash_request *req) } edesc->qm_sg_bytes = qm_sg_bytes; - edesc->dst_dma = dma_map_single(ctx->dev, req->result, digestsize, - DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, edesc->dst_dma)) { - dev_err(ctx->dev, "unable to map dst\n"); - edesc->dst_dma = 0; - ret = -ENOMEM; - goto unmap_ctx; - } - memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); dpaa2_fl_set_final(in_fle, true); dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); dpaa2_fl_set_len(in_fle, ctx->ctx_len + buflen); dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, edesc->dst_dma); + dpaa2_fl_set_addr(out_fle, state->ctx_dma); dpaa2_fl_set_len(out_fle, digestsize); req_ctx->flc = &ctx->flc[FINALIZE]; @@ -3533,7 +3550,7 @@ static int ahash_final_ctx(struct ahash_request *req) return ret; unmap_ctx: - ahash_unmap_ctx(ctx->dev, edesc, req, digestsize, DMA_FROM_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); qi_cache_free(edesc); return ret; } @@ -3586,7 +3603,7 @@ static int ahash_finup_ctx(struct ahash_request *req) sg_table = &edesc->sgt[0]; ret = ctx_map_to_qm_sg(ctx->dev, state, ctx->ctx_len, sg_table, - DMA_TO_DEVICE); + DMA_BIDIRECTIONAL); if (ret) goto unmap_ctx; @@ -3605,22 +3622,13 @@ static int ahash_finup_ctx(struct ahash_request *req) } edesc->qm_sg_bytes = qm_sg_bytes; - edesc->dst_dma = dma_map_single(ctx->dev, req->result, digestsize, - DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, edesc->dst_dma)) { - dev_err(ctx->dev, "unable to map dst\n"); - edesc->dst_dma = 0; - ret = -ENOMEM; - goto unmap_ctx; - } - memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); dpaa2_fl_set_final(in_fle, true); dpaa2_fl_set_format(in_fle, dpaa2_fl_sg); dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); dpaa2_fl_set_len(in_fle, ctx->ctx_len + buflen + req->nbytes); dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, edesc->dst_dma); + dpaa2_fl_set_addr(out_fle, state->ctx_dma); dpaa2_fl_set_len(out_fle, digestsize); req_ctx->flc = &ctx->flc[FINALIZE]; @@ -3635,7 +3643,7 @@ static int ahash_finup_ctx(struct ahash_request *req) return ret; unmap_ctx: - ahash_unmap_ctx(ctx->dev, edesc, req, digestsize, DMA_FROM_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_BIDIRECTIONAL); qi_cache_free(edesc); return ret; } @@ -3704,18 +3712,19 @@ static int ahash_digest(struct ahash_request *req) dpaa2_fl_set_addr(in_fle, sg_dma_address(req->src)); } - edesc->dst_dma = dma_map_single(ctx->dev, req->result, digestsize, + state->ctx_dma_len = digestsize; + state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, edesc->dst_dma)) { - dev_err(ctx->dev, "unable to map dst\n"); - edesc->dst_dma = 0; + if (dma_mapping_error(ctx->dev, state->ctx_dma)) { + dev_err(ctx->dev, "unable to map ctx\n"); + state->ctx_dma = 0; goto unmap; } dpaa2_fl_set_final(in_fle, true); dpaa2_fl_set_len(in_fle, req->nbytes); dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, edesc->dst_dma); + dpaa2_fl_set_addr(out_fle, state->ctx_dma); dpaa2_fl_set_len(out_fle, digestsize); req_ctx->flc = &ctx->flc[DIGEST]; @@ -3729,7 +3738,7 @@ static int ahash_digest(struct ahash_request *req) return ret; unmap: - ahash_unmap(ctx->dev, edesc, req, digestsize); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); qi_cache_free(edesc); return ret; } @@ -3755,27 +3764,39 @@ static int ahash_final_no_ctx(struct ahash_request *req) if (!edesc) return ret; - state->buf_dma = dma_map_single(ctx->dev, buf, buflen, DMA_TO_DEVICE); - if (dma_mapping_error(ctx->dev, state->buf_dma)) { - dev_err(ctx->dev, "unable to map src\n"); - goto unmap; + if (buflen) { + state->buf_dma = dma_map_single(ctx->dev, buf, buflen, + DMA_TO_DEVICE); + if (dma_mapping_error(ctx->dev, state->buf_dma)) { + dev_err(ctx->dev, "unable to map src\n"); + goto unmap; + } } - edesc->dst_dma = dma_map_single(ctx->dev, req->result, digestsize, + state->ctx_dma_len = digestsize; + state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, edesc->dst_dma)) { - dev_err(ctx->dev, "unable to map dst\n"); - edesc->dst_dma = 0; + if (dma_mapping_error(ctx->dev, state->ctx_dma)) { + dev_err(ctx->dev, "unable to map ctx\n"); + state->ctx_dma = 0; goto unmap; } memset(&req_ctx->fd_flt, 0, sizeof(req_ctx->fd_flt)); dpaa2_fl_set_final(in_fle, true); - dpaa2_fl_set_format(in_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(in_fle, state->buf_dma); - dpaa2_fl_set_len(in_fle, buflen); + /* + * crypto engine requires the input entry to be present when + * "frame list" FD is used. + * Since engine does not support FMT=2'b11 (unused entry type), leaving + * in_fle zeroized (except for "Final" flag) is the best option. + */ + if (buflen) { + dpaa2_fl_set_format(in_fle, dpaa2_fl_single); + dpaa2_fl_set_addr(in_fle, state->buf_dma); + dpaa2_fl_set_len(in_fle, buflen); + } dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, edesc->dst_dma); + dpaa2_fl_set_addr(out_fle, state->ctx_dma); dpaa2_fl_set_len(out_fle, digestsize); req_ctx->flc = &ctx->flc[DIGEST]; @@ -3790,7 +3811,7 @@ static int ahash_final_no_ctx(struct ahash_request *req) return ret; unmap: - ahash_unmap(ctx->dev, edesc, req, digestsize); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); qi_cache_free(edesc); return ret; } @@ -3870,6 +3891,7 @@ static int ahash_update_no_ctx(struct ahash_request *req) } edesc->qm_sg_bytes = qm_sg_bytes; + state->ctx_dma_len = ctx->ctx_len; state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, ctx->ctx_len, DMA_FROM_DEVICE); if (dma_mapping_error(ctx->dev, state->ctx_dma)) { @@ -3918,7 +3940,7 @@ static int ahash_update_no_ctx(struct ahash_request *req) return ret; unmap_ctx: - ahash_unmap_ctx(ctx->dev, edesc, req, ctx->ctx_len, DMA_TO_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_TO_DEVICE); qi_cache_free(edesc); return ret; } @@ -3983,11 +4005,12 @@ static int ahash_finup_no_ctx(struct ahash_request *req) } edesc->qm_sg_bytes = qm_sg_bytes; - edesc->dst_dma = dma_map_single(ctx->dev, req->result, digestsize, + state->ctx_dma_len = digestsize; + state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, digestsize, DMA_FROM_DEVICE); - if (dma_mapping_error(ctx->dev, edesc->dst_dma)) { - dev_err(ctx->dev, "unable to map dst\n"); - edesc->dst_dma = 0; + if (dma_mapping_error(ctx->dev, state->ctx_dma)) { + dev_err(ctx->dev, "unable to map ctx\n"); + state->ctx_dma = 0; ret = -ENOMEM; goto unmap; } @@ -3998,7 +4021,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req) dpaa2_fl_set_addr(in_fle, edesc->qm_sg_dma); dpaa2_fl_set_len(in_fle, buflen + req->nbytes); dpaa2_fl_set_format(out_fle, dpaa2_fl_single); - dpaa2_fl_set_addr(out_fle, edesc->dst_dma); + dpaa2_fl_set_addr(out_fle, state->ctx_dma); dpaa2_fl_set_len(out_fle, digestsize); req_ctx->flc = &ctx->flc[DIGEST]; @@ -4013,7 +4036,7 @@ static int ahash_finup_no_ctx(struct ahash_request *req) return ret; unmap: - ahash_unmap(ctx->dev, edesc, req, digestsize); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_FROM_DEVICE); qi_cache_free(edesc); return -ENOMEM; } @@ -4100,6 +4123,7 @@ static int ahash_update_first(struct ahash_request *req) scatterwalk_map_and_copy(next_buf, req->src, to_hash, *next_buflen, 0); + state->ctx_dma_len = ctx->ctx_len; state->ctx_dma = dma_map_single(ctx->dev, state->caam_ctx, ctx->ctx_len, DMA_FROM_DEVICE); if (dma_mapping_error(ctx->dev, state->ctx_dma)) { @@ -4143,7 +4167,7 @@ static int ahash_update_first(struct ahash_request *req) return ret; unmap_ctx: - ahash_unmap_ctx(ctx->dev, edesc, req, ctx->ctx_len, DMA_TO_DEVICE); + ahash_unmap_ctx(ctx->dev, edesc, req, DMA_TO_DEVICE); qi_cache_free(edesc); return ret; } @@ -4162,6 +4186,7 @@ static int ahash_init(struct ahash_request *req) state->final = ahash_final_no_ctx; state->ctx_dma = 0; + state->ctx_dma_len = 0; state->current_buf = 0; state->buf_dma = 0; state->buflen_0 = 0; diff --git a/drivers/crypto/caam/caamalg_qi2.h b/drivers/crypto/caam/caamalg_qi2.h index 20890780fb82..be5085451053 100644 --- a/drivers/crypto/caam/caamalg_qi2.h +++ b/drivers/crypto/caam/caamalg_qi2.h @@ -162,14 +162,12 @@ struct skcipher_edesc { /* * ahash_edesc - s/w-extended ahash descriptor - * @dst_dma: I/O virtual address of req->result * @qm_sg_dma: I/O virtual address of h/w link table * @src_nents: number of segments in input scatterlist * @qm_sg_bytes: length of dma mapped qm_sg space * @sgt: pointer to h/w link table */ struct ahash_edesc { - dma_addr_t dst_dma; dma_addr_t qm_sg_dma; int src_nents; int qm_sg_bytes; diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 58285642306e..fe24485274e1 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -994,8 +994,6 @@ static void caam_rsa_exit_tfm(struct crypto_akcipher *tfm) static struct akcipher_alg caam_rsa = { .encrypt = caam_rsa_enc, .decrypt = caam_rsa_dec, - .sign = caam_rsa_dec, - .verify = caam_rsa_enc, .set_pub_key = caam_rsa_set_pub_key, .set_priv_key = caam_rsa_set_priv_key, .max_size = caam_rsa_max_size, diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 858bdc9ab4a3..fec39c35c877 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -468,6 +468,24 @@ static int caam_get_era(struct caam_ctrl __iomem *ctrl) return caam_get_era_from_hw(ctrl); } +/* + * ERRATA: imx6 devices (imx6D, imx6Q, imx6DL, imx6S, imx6DP and imx6QP) + * have an issue wherein AXI bus transactions may not occur in the correct + * order. This isn't a problem running single descriptors, but can be if + * running multiple concurrent descriptors. Reworking the driver to throttle + * to single requests is impractical, thus the workaround is to limit the AXI + * pipeline to a depth of 1 (from it's default of 4) to preclude this situation + * from occurring. + */ +static void handle_imx6_err005766(u32 *mcr) +{ + if (of_machine_is_compatible("fsl,imx6q") || + of_machine_is_compatible("fsl,imx6dl") || + of_machine_is_compatible("fsl,imx6qp")) + clrsetbits_32(mcr, MCFGR_AXIPIPE_MASK, + 1 << MCFGR_AXIPIPE_SHIFT); +} + static const struct of_device_id caam_match[] = { { .compatible = "fsl,sec-v4.0", @@ -640,6 +658,8 @@ static int caam_probe(struct platform_device *pdev) (sizeof(dma_addr_t) == sizeof(u64) ? MCFGR_LONG_PTR : 0)); + handle_imx6_err005766(&ctrl->mcr); + /* * Read the Compile Time paramters and SCFGR to determine * if Virtualization is enabled for this platform diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c index 21a70fd32f5d..4da844e4b61d 100644 --- a/drivers/crypto/caam/error.c +++ b/drivers/crypto/caam/error.c @@ -22,7 +22,7 @@ void caam_dump_sg(const char *level, const char *prefix_str, int prefix_type, size_t len; void *buf; - for (it = sg; it && tlen > 0 ; it = sg_next(sg)) { + for (it = sg; it && tlen > 0 ; it = sg_next(it)) { /* * make sure the scatterlist's page * has a valid virtual memory mapping @@ -138,7 +138,7 @@ static const struct { { 0x46, "Annotation length exceeds offset (reuse mode)"}, { 0x48, "Annotation output enabled but ASA limited by ASAR (reuse mode)"}, { 0x49, "Data offset correction exceeds input frame data length (reuse mode)"}, - { 0x4B, "Annotation output enabled but ASA cannote be expanded (frame list)"}, + { 0x4B, "Annotation output enabled but ASA cannot be expanded (frame list)"}, { 0x51, "Unsupported IF reuse mode"}, { 0x52, "Unsupported FL use mode"}, { 0x53, "Unsupported RJD use mode"}, diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 5869ad58d497..3392615dc91b 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -49,13 +49,11 @@ struct caam_drv_private_jr { atomic_t tfm_count ____cacheline_aligned; /* Job ring info */ - int ringsize; /* Size of rings (assume input = output) */ struct caam_jrentry_info *entinfo; /* Alloc'ed 1 per ring entry */ spinlock_t inplock ____cacheline_aligned; /* Input ring index lock */ - int inp_ring_write_index; /* Input index "tail" */ + u32 inpring_avail; /* Number of free entries in input ring */ int head; /* entinfo (s/w ring) head index */ dma_addr_t *inpring; /* Base of input ring, alloc DMA-safe */ - spinlock_t outlock ____cacheline_aligned; /* Output ring index lock */ int out_ring_read_index; /* Output index "tail" */ int tail; /* entinfo (s/w ring) tail index */ struct jr_outentry *outring; /* Base of output ring, DMA-safe */ diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index d50085a03597..1de2562d0982 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -170,13 +170,13 @@ static void caam_jr_dequeue(unsigned long devarg) void (*usercall)(struct device *dev, u32 *desc, u32 status, void *arg); u32 *userdesc, userstatus; void *userarg; + u32 outring_used = 0; - while (rd_reg32(&jrp->rregs->outring_used)) { + while (outring_used || + (outring_used = rd_reg32(&jrp->rregs->outring_used))) { head = READ_ONCE(jrp->head); - spin_lock(&jrp->outlock); - sw_idx = tail = jrp->tail; hw_idx = jrp->out_ring_read_index; @@ -199,7 +199,7 @@ static void caam_jr_dequeue(unsigned long devarg) /* mark completed, avoid matching on a recycled desc addr */ jrp->entinfo[sw_idx].desc_addr_dma = 0; - /* Stash callback params for use outside of lock */ + /* Stash callback params */ usercall = jrp->entinfo[sw_idx].callbk; userarg = jrp->entinfo[sw_idx].cbkarg; userdesc = jrp->entinfo[sw_idx].desc_addr_virt; @@ -232,10 +232,9 @@ static void caam_jr_dequeue(unsigned long devarg) jrp->tail = tail; } - spin_unlock(&jrp->outlock); - /* Finally, execute user's callback */ usercall(dev, userdesc, userstatus, userarg); + outring_used--; } /* reenable / unmask IRQs */ @@ -345,7 +344,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, head = jrp->head; tail = READ_ONCE(jrp->tail); - if (!rd_reg32(&jrp->rregs->inpring_avail) || + if (!jrp->inpring_avail || CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) { spin_unlock_bh(&jrp->inplock); dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE); @@ -359,7 +358,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, head_entry->cbkarg = areq; head_entry->desc_addr_dma = desc_dma; - jrp->inpring[jrp->inp_ring_write_index] = cpu_to_caam_dma(desc_dma); + jrp->inpring[head] = cpu_to_caam_dma(desc_dma); /* * Guarantee that the descriptor's DMA address has been written to @@ -368,18 +367,22 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, */ smp_wmb(); - jrp->inp_ring_write_index = (jrp->inp_ring_write_index + 1) & - (JOBR_DEPTH - 1); jrp->head = (head + 1) & (JOBR_DEPTH - 1); /* * Ensure that all job information has been written before - * notifying CAAM that a new job was added to the input ring. + * notifying CAAM that a new job was added to the input ring + * using a memory barrier. The wr_reg32() uses api iowrite32() + * to do the register write. iowrite32() issues a memory barrier + * before the write operation. */ - wmb(); wr_reg32(&jrp->rregs->inpring_jobadd, 1); + jrp->inpring_avail--; + if (!jrp->inpring_avail) + jrp->inpring_avail = rd_reg32(&jrp->rregs->inpring_avail); + spin_unlock_bh(&jrp->inplock); return 0; @@ -431,7 +434,6 @@ static int caam_jr_init(struct device *dev) jrp->entinfo[i].desc_addr_dma = !0; /* Setup rings */ - jrp->inp_ring_write_index = 0; jrp->out_ring_read_index = 0; jrp->head = 0; jrp->tail = 0; @@ -441,10 +443,9 @@ static int caam_jr_init(struct device *dev) wr_reg32(&jrp->rregs->inpring_size, JOBR_DEPTH); wr_reg32(&jrp->rregs->outring_size, JOBR_DEPTH); - jrp->ringsize = JOBR_DEPTH; + jrp->inpring_avail = JOBR_DEPTH; spin_lock_init(&jrp->inplock); - spin_lock_init(&jrp->outlock); /* Select interrupt coalescing parameters */ clrsetbits_32(&jrp->rregs->rconfig_lo, 0, JOBR_INTC | diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c index 7cb8b1755e57..9f08f84cca59 100644 --- a/drivers/crypto/caam/qi.c +++ b/drivers/crypto/caam/qi.c @@ -318,7 +318,7 @@ int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc) /* Create a new req FQ in parked state */ new_fq = create_caam_req_fq(drv_ctx->qidev, drv_ctx->rsp_fq, drv_ctx->context_a, 0); - if (IS_ERR_OR_NULL(new_fq)) { + if (IS_ERR(new_fq)) { dev_err(qidev, "FQ allocation for shdesc update failed\n"); return PTR_ERR(new_fq); } @@ -431,7 +431,7 @@ struct caam_drv_ctx *caam_drv_ctx_init(struct device *qidev, /* Attach request FQ */ drv_ctx->req_fq = create_caam_req_fq(qidev, drv_ctx->rsp_fq, hwdesc, QMAN_INITFQ_FLAG_SCHED); - if (IS_ERR_OR_NULL(drv_ctx->req_fq)) { + if (IS_ERR(drv_ctx->req_fq)) { dev_err(qidev, "create_caam_req_fq failed\n"); dma_unmap_single(qidev, hwdesc, size, DMA_BIDIRECTIONAL); kfree(drv_ctx); diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 3cd0822ea819..8591914d5c51 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -253,6 +253,9 @@ struct version_regs { #define CHA_VER_VID_SHIFT 24 #define CHA_VER_VID_MASK (0xffull << CHA_VER_VID_SHIFT) +/* CHA Miscellaneous Information - AESA_MISC specific */ +#define CHA_VER_MISC_AES_GCM BIT(1 + CHA_VER_MISC_SHIFT) + /* * caam_perfmon - Performance Monitor/Secure Memory Status/ * CAAM Global Status/Component Version IDs diff --git a/drivers/crypto/cavium/Makefile b/drivers/crypto/cavium/Makefile index 641268b784be..4679c06b611f 100644 --- a/drivers/crypto/cavium/Makefile +++ b/drivers/crypto/cavium/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Makefile for Cavium crypto device drivers # diff --git a/drivers/crypto/cavium/cpt/Kconfig b/drivers/crypto/cavium/cpt/Kconfig index cbd51b1aa046..b9874058d4fa 100644 --- a/drivers/crypto/cavium/cpt/Kconfig +++ b/drivers/crypto/cavium/cpt/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Cavium crypto device configuration # diff --git a/drivers/crypto/cavium/cpt/Makefile b/drivers/crypto/cavium/cpt/Makefile index dbf055e14622..0f04f1b5c6d1 100644 --- a/drivers/crypto/cavium/cpt/Makefile +++ b/drivers/crypto/cavium/cpt/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CAVIUM_CPT) += cptpf.o cptvf.o cptpf-objs := cptpf_main.o cptpf_mbox.o cptvf-objs := cptvf_main.o cptvf_reqmanager.o cptvf_mbox.o cptvf_algs.o diff --git a/drivers/crypto/cavium/cpt/cptvf_algs.c b/drivers/crypto/cavium/cpt/cptvf_algs.c index 600336d169a9..9810ad8ac519 100644 --- a/drivers/crypto/cavium/cpt/cptvf_algs.c +++ b/drivers/crypto/cavium/cpt/cptvf_algs.c @@ -10,7 +10,6 @@ #include <crypto/aes.h> #include <crypto/algapi.h> #include <crypto/authenc.h> -#include <crypto/cryptd.h> #include <crypto/crypto_wq.h> #include <crypto/des.h> #include <crypto/xts.h> @@ -327,27 +326,36 @@ static int cvm_cfb_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key, static int cvm_cbc_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key, u32 keylen) { + u32 flags = crypto_ablkcipher_get_flags(cipher); + int err; + + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } + return cvm_setkey(cipher, key, keylen, DES3_CBC); } static int cvm_ecb_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key, u32 keylen) { + u32 flags = crypto_ablkcipher_get_flags(cipher); + int err; + + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } + return cvm_setkey(cipher, key, keylen, DES3_ECB); } static int cvm_enc_dec_init(struct crypto_tfm *tfm) { - struct cvm_enc_ctx *ctx = crypto_tfm_ctx(tfm); - - memset(ctx, 0, sizeof(*ctx)); - tfm->crt_ablkcipher.reqsize = sizeof(struct cvm_req_ctx) + - sizeof(struct ablkcipher_request); - /* Additional memory for ablkcipher_request is - * allocated since the cryptd daemon uses - * this memory for request_ctx information - */ - + tfm->crt_ablkcipher.reqsize = sizeof(struct cvm_req_ctx); return 0; } diff --git a/drivers/crypto/cavium/cpt/cptvf_main.c b/drivers/crypto/cavium/cpt/cptvf_main.c index 2ca431ed1db8..88a0166f5477 100644 --- a/drivers/crypto/cavium/cpt/cptvf_main.c +++ b/drivers/crypto/cavium/cpt/cptvf_main.c @@ -641,7 +641,7 @@ static void cptvf_write_vq_saddr(struct cpt_vf *cptvf, u64 val) cpt_write_csr64(cptvf->reg_base, CPTX_VQX_SADDR(0, 0), vqx_saddr.u); } -void cptvf_device_init(struct cpt_vf *cptvf) +static void cptvf_device_init(struct cpt_vf *cptvf) { u64 base_addr = 0; diff --git a/drivers/crypto/cavium/cpt/cptvf_mbox.c b/drivers/crypto/cavium/cpt/cptvf_mbox.c index d5ec3b8a9e61..4f438eceb506 100644 --- a/drivers/crypto/cavium/cpt/cptvf_mbox.c +++ b/drivers/crypto/cavium/cpt/cptvf_mbox.c @@ -17,23 +17,6 @@ static void cptvf_send_msg_to_pf(struct cpt_vf *cptvf, struct cpt_mbox *mbx) mbx->data); } -/* ACKs PF's mailbox message - */ -void cptvf_mbox_send_ack(struct cpt_vf *cptvf, struct cpt_mbox *mbx) -{ - mbx->msg = CPT_MBOX_MSG_TYPE_ACK; - cptvf_send_msg_to_pf(cptvf, mbx); -} - -/* NACKs PF's mailbox message that VF is not able to - * complete the action - */ -void cptvf_mbox_send_nack(struct cpt_vf *cptvf, struct cpt_mbox *mbx) -{ - mbx->msg = CPT_MBOX_MSG_TYPE_NACK; - cptvf_send_msg_to_pf(cptvf, mbx); -} - /* Interrupt handler to handle mailbox messages from VFs */ void cptvf_handle_mbox_intr(struct cpt_vf *cptvf) { diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c index ca549c5dc08e..f16f61504241 100644 --- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c +++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c @@ -223,7 +223,7 @@ scatter_gather_clean: return ret; } -int send_cpt_command(struct cpt_vf *cptvf, union cpt_inst_s *cmd, +static int send_cpt_command(struct cpt_vf *cptvf, union cpt_inst_s *cmd, u32 qno) { struct pci_dev *pdev = cptvf->pdev; @@ -270,7 +270,7 @@ int send_cpt_command(struct cpt_vf *cptvf, union cpt_inst_s *cmd, return ret; } -void do_request_cleanup(struct cpt_vf *cptvf, +static void do_request_cleanup(struct cpt_vf *cptvf, struct cpt_info_buffer *info) { int i; @@ -316,7 +316,7 @@ void do_request_cleanup(struct cpt_vf *cptvf, kzfree(info); } -void do_post_process(struct cpt_vf *cptvf, struct cpt_info_buffer *info) +static void do_post_process(struct cpt_vf *cptvf, struct cpt_info_buffer *info) { struct pci_dev *pdev = cptvf->pdev; diff --git a/drivers/crypto/cavium/nitrox/Kconfig b/drivers/crypto/cavium/nitrox/Kconfig index 181a1dfec932..dab162af41b8 100644 --- a/drivers/crypto/cavium/nitrox/Kconfig +++ b/drivers/crypto/cavium/nitrox/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Cavium NITROX Crypto Device configuration # diff --git a/drivers/crypto/cavium/nitrox/nitrox_aead.c b/drivers/crypto/cavium/nitrox/nitrox_aead.c index 4f43eacd2557..e4841eb2a09f 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_aead.c +++ b/drivers/crypto/cavium/nitrox/nitrox_aead.c @@ -18,26 +18,6 @@ #define GCM_AES_SALT_SIZE 4 -/** - * struct nitrox_crypt_params - Params to set nitrox crypto request. - * @cryptlen: Encryption/Decryption data length - * @authlen: Assoc data length + Cryptlen - * @srclen: Input buffer length - * @dstlen: Output buffer length - * @iv: IV data - * @ivsize: IV data length - * @ctrl_arg: Identifies the request type (ENCRYPT/DECRYPT) - */ -struct nitrox_crypt_params { - unsigned int cryptlen; - unsigned int authlen; - unsigned int srclen; - unsigned int dstlen; - u8 *iv; - int ivsize; - u8 ctrl_arg; -}; - union gph_p3 { struct { #ifdef __BIG_ENDIAN_BITFIELD @@ -94,36 +74,40 @@ static int nitrox_aead_setauthsize(struct crypto_aead *aead, return 0; } -static int alloc_src_sglist(struct aead_request *areq, char *iv, int ivsize, +static int alloc_src_sglist(struct nitrox_kcrypt_request *nkreq, + struct scatterlist *src, char *iv, int ivsize, int buflen) { - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - int nents = sg_nents_for_len(areq->src, buflen) + 1; + int nents = sg_nents_for_len(src, buflen); int ret; if (nents < 0) return nents; + /* IV entry */ + nents += 1; /* Allocate buffer to hold IV and input scatterlist array */ ret = alloc_src_req_buf(nkreq, nents, ivsize); if (ret) return ret; nitrox_creq_copy_iv(nkreq->src, iv, ivsize); - nitrox_creq_set_src_sg(nkreq, nents, ivsize, areq->src, buflen); + nitrox_creq_set_src_sg(nkreq, nents, ivsize, src, buflen); return 0; } -static int alloc_dst_sglist(struct aead_request *areq, int ivsize, int buflen) +static int alloc_dst_sglist(struct nitrox_kcrypt_request *nkreq, + struct scatterlist *dst, int ivsize, int buflen) { - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - int nents = sg_nents_for_len(areq->dst, buflen) + 3; + int nents = sg_nents_for_len(dst, buflen); int ret; if (nents < 0) return nents; + /* IV, ORH, COMPLETION entries */ + nents += 3; /* Allocate buffer to hold ORH, COMPLETION and output scatterlist * array */ @@ -133,61 +117,54 @@ static int alloc_dst_sglist(struct aead_request *areq, int ivsize, int buflen) nitrox_creq_set_orh(nkreq); nitrox_creq_set_comp(nkreq); - nitrox_creq_set_dst_sg(nkreq, nents, ivsize, areq->dst, buflen); + nitrox_creq_set_dst_sg(nkreq, nents, ivsize, dst, buflen); return 0; } -static void free_src_sglist(struct aead_request *areq) +static void free_src_sglist(struct nitrox_kcrypt_request *nkreq) { - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - kfree(nkreq->src); } -static void free_dst_sglist(struct aead_request *areq) +static void free_dst_sglist(struct nitrox_kcrypt_request *nkreq) { - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - kfree(nkreq->dst); } -static int nitrox_set_creq(struct aead_request *areq, - struct nitrox_crypt_params *params) +static int nitrox_set_creq(struct nitrox_aead_rctx *rctx) { - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - struct se_crypto_request *creq = &nkreq->creq; - struct crypto_aead *aead = crypto_aead_reqtfm(areq); + struct se_crypto_request *creq = &rctx->nkreq.creq; union gph_p3 param3; - struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); int ret; - creq->flags = areq->base.flags; - creq->gfp = (areq->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? - GFP_KERNEL : GFP_ATOMIC; + creq->flags = rctx->flags; + creq->gfp = (rctx->flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? GFP_KERNEL : + GFP_ATOMIC; creq->ctrl.value = 0; creq->opcode = FLEXI_CRYPTO_ENCRYPT_HMAC; - creq->ctrl.s.arg = params->ctrl_arg; + creq->ctrl.s.arg = rctx->ctrl_arg; - creq->gph.param0 = cpu_to_be16(params->cryptlen); - creq->gph.param1 = cpu_to_be16(params->authlen); - creq->gph.param2 = cpu_to_be16(params->ivsize + areq->assoclen); + creq->gph.param0 = cpu_to_be16(rctx->cryptlen); + creq->gph.param1 = cpu_to_be16(rctx->cryptlen + rctx->assoclen); + creq->gph.param2 = cpu_to_be16(rctx->ivsize + rctx->assoclen); param3.iv_offset = 0; - param3.auth_offset = params->ivsize; + param3.auth_offset = rctx->ivsize; creq->gph.param3 = cpu_to_be16(param3.param); - creq->ctx_handle = nctx->u.ctx_handle; + creq->ctx_handle = rctx->ctx_handle; creq->ctrl.s.ctxl = sizeof(struct flexi_crypto_context); - ret = alloc_src_sglist(areq, params->iv, params->ivsize, - params->srclen); + ret = alloc_src_sglist(&rctx->nkreq, rctx->src, rctx->iv, rctx->ivsize, + rctx->srclen); if (ret) return ret; - ret = alloc_dst_sglist(areq, params->ivsize, params->dstlen); + ret = alloc_dst_sglist(&rctx->nkreq, rctx->dst, rctx->ivsize, + rctx->dstlen); if (ret) { - free_src_sglist(areq); + free_src_sglist(&rctx->nkreq); return ret; } @@ -197,9 +174,10 @@ static int nitrox_set_creq(struct aead_request *areq, static void nitrox_aead_callback(void *arg, int err) { struct aead_request *areq = arg; + struct nitrox_aead_rctx *rctx = aead_request_ctx(areq); - free_src_sglist(areq); - free_dst_sglist(areq); + free_src_sglist(&rctx->nkreq); + free_dst_sglist(&rctx->nkreq); if (err) { pr_err_ratelimited("request failed status 0x%0x\n", err); err = -EINVAL; @@ -212,23 +190,25 @@ static int nitrox_aes_gcm_enc(struct aead_request *areq) { struct crypto_aead *aead = crypto_aead_reqtfm(areq); struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - struct se_crypto_request *creq = &nkreq->creq; + struct nitrox_aead_rctx *rctx = aead_request_ctx(areq); + struct se_crypto_request *creq = &rctx->nkreq.creq; struct flexi_crypto_context *fctx = nctx->u.fctx; - struct nitrox_crypt_params params; int ret; memcpy(fctx->crypto.iv, areq->iv, GCM_AES_SALT_SIZE); - memset(¶ms, 0, sizeof(params)); - params.cryptlen = areq->cryptlen; - params.authlen = areq->assoclen + params.cryptlen; - params.srclen = params.authlen; - params.dstlen = params.srclen + aead->authsize; - params.iv = &areq->iv[GCM_AES_SALT_SIZE]; - params.ivsize = GCM_AES_IV_SIZE - GCM_AES_SALT_SIZE; - params.ctrl_arg = ENCRYPT; - ret = nitrox_set_creq(areq, ¶ms); + rctx->cryptlen = areq->cryptlen; + rctx->assoclen = areq->assoclen; + rctx->srclen = areq->assoclen + areq->cryptlen; + rctx->dstlen = rctx->srclen + aead->authsize; + rctx->iv = &areq->iv[GCM_AES_SALT_SIZE]; + rctx->ivsize = GCM_AES_IV_SIZE - GCM_AES_SALT_SIZE; + rctx->flags = areq->base.flags; + rctx->ctx_handle = nctx->u.ctx_handle; + rctx->src = areq->src; + rctx->dst = areq->dst; + rctx->ctrl_arg = ENCRYPT; + ret = nitrox_set_creq(rctx); if (ret) return ret; @@ -241,23 +221,25 @@ static int nitrox_aes_gcm_dec(struct aead_request *areq) { struct crypto_aead *aead = crypto_aead_reqtfm(areq); struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); - struct nitrox_kcrypt_request *nkreq = aead_request_ctx(areq); - struct se_crypto_request *creq = &nkreq->creq; + struct nitrox_aead_rctx *rctx = aead_request_ctx(areq); + struct se_crypto_request *creq = &rctx->nkreq.creq; struct flexi_crypto_context *fctx = nctx->u.fctx; - struct nitrox_crypt_params params; int ret; memcpy(fctx->crypto.iv, areq->iv, GCM_AES_SALT_SIZE); - memset(¶ms, 0, sizeof(params)); - params.cryptlen = areq->cryptlen - aead->authsize; - params.authlen = areq->assoclen + params.cryptlen; - params.srclen = areq->cryptlen + areq->assoclen; - params.dstlen = params.srclen - aead->authsize; - params.iv = &areq->iv[GCM_AES_SALT_SIZE]; - params.ivsize = GCM_AES_IV_SIZE - GCM_AES_SALT_SIZE; - params.ctrl_arg = DECRYPT; - ret = nitrox_set_creq(areq, ¶ms); + rctx->cryptlen = areq->cryptlen - aead->authsize; + rctx->assoclen = areq->assoclen; + rctx->srclen = areq->cryptlen + areq->assoclen; + rctx->dstlen = rctx->srclen - aead->authsize; + rctx->iv = &areq->iv[GCM_AES_SALT_SIZE]; + rctx->ivsize = GCM_AES_IV_SIZE - GCM_AES_SALT_SIZE; + rctx->flags = areq->base.flags; + rctx->ctx_handle = nctx->u.ctx_handle; + rctx->src = areq->src; + rctx->dst = areq->dst; + rctx->ctrl_arg = DECRYPT; + ret = nitrox_set_creq(rctx); if (ret) return ret; @@ -290,7 +272,7 @@ static int nitrox_aead_init(struct crypto_aead *aead) return 0; } -static int nitrox_aes_gcm_init(struct crypto_aead *aead) +static int nitrox_gcm_common_init(struct crypto_aead *aead) { int ret; struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); @@ -308,8 +290,20 @@ static int nitrox_aes_gcm_init(struct crypto_aead *aead) flags->w0.auth_input_type = 1; flags->f = be64_to_cpu(flags->f); - crypto_aead_set_reqsize(aead, sizeof(struct aead_request) + - sizeof(struct nitrox_kcrypt_request)); + return 0; +} + +static int nitrox_aes_gcm_init(struct crypto_aead *aead) +{ + int ret; + + ret = nitrox_gcm_common_init(aead); + if (ret) + return ret; + + crypto_aead_set_reqsize(aead, + sizeof(struct aead_request) + + sizeof(struct nitrox_aead_rctx)); return 0; } @@ -332,6 +326,166 @@ static void nitrox_aead_exit(struct crypto_aead *aead) nctx->ndev = NULL; } +static int nitrox_rfc4106_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); + struct flexi_crypto_context *fctx = nctx->u.fctx; + int ret; + + if (keylen < GCM_AES_SALT_SIZE) + return -EINVAL; + + keylen -= GCM_AES_SALT_SIZE; + ret = nitrox_aes_gcm_setkey(aead, key, keylen); + if (ret) + return ret; + + memcpy(fctx->crypto.iv, key + keylen, GCM_AES_SALT_SIZE); + return 0; +} + +static int nitrox_rfc4106_setauthsize(struct crypto_aead *aead, + unsigned int authsize) +{ + switch (authsize) { + case 8: + case 12: + case 16: + break; + default: + return -EINVAL; + } + + return nitrox_aead_setauthsize(aead, authsize); +} + +static int nitrox_rfc4106_set_aead_rctx_sglist(struct aead_request *areq) +{ + struct nitrox_rfc4106_rctx *rctx = aead_request_ctx(areq); + struct nitrox_aead_rctx *aead_rctx = &rctx->base; + unsigned int assoclen = areq->assoclen - GCM_RFC4106_IV_SIZE; + struct scatterlist *sg; + + if (areq->assoclen != 16 && areq->assoclen != 20) + return -EINVAL; + + scatterwalk_map_and_copy(rctx->assoc, areq->src, 0, assoclen, 0); + sg_init_table(rctx->src, 3); + sg_set_buf(rctx->src, rctx->assoc, assoclen); + sg = scatterwalk_ffwd(rctx->src + 1, areq->src, areq->assoclen); + if (sg != rctx->src + 1) + sg_chain(rctx->src, 2, sg); + + if (areq->src != areq->dst) { + sg_init_table(rctx->dst, 3); + sg_set_buf(rctx->dst, rctx->assoc, assoclen); + sg = scatterwalk_ffwd(rctx->dst + 1, areq->dst, areq->assoclen); + if (sg != rctx->dst + 1) + sg_chain(rctx->dst, 2, sg); + } + + aead_rctx->src = rctx->src; + aead_rctx->dst = (areq->src == areq->dst) ? rctx->src : rctx->dst; + + return 0; +} + +static void nitrox_rfc4106_callback(void *arg, int err) +{ + struct aead_request *areq = arg; + struct nitrox_rfc4106_rctx *rctx = aead_request_ctx(areq); + struct nitrox_kcrypt_request *nkreq = &rctx->base.nkreq; + + free_src_sglist(nkreq); + free_dst_sglist(nkreq); + if (err) { + pr_err_ratelimited("request failed status 0x%0x\n", err); + err = -EINVAL; + } + + areq->base.complete(&areq->base, err); +} + +static int nitrox_rfc4106_enc(struct aead_request *areq) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(areq); + struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); + struct nitrox_rfc4106_rctx *rctx = aead_request_ctx(areq); + struct nitrox_aead_rctx *aead_rctx = &rctx->base; + struct se_crypto_request *creq = &aead_rctx->nkreq.creq; + int ret; + + aead_rctx->cryptlen = areq->cryptlen; + aead_rctx->assoclen = areq->assoclen - GCM_RFC4106_IV_SIZE; + aead_rctx->srclen = aead_rctx->assoclen + aead_rctx->cryptlen; + aead_rctx->dstlen = aead_rctx->srclen + aead->authsize; + aead_rctx->iv = areq->iv; + aead_rctx->ivsize = GCM_RFC4106_IV_SIZE; + aead_rctx->flags = areq->base.flags; + aead_rctx->ctx_handle = nctx->u.ctx_handle; + aead_rctx->ctrl_arg = ENCRYPT; + + ret = nitrox_rfc4106_set_aead_rctx_sglist(areq); + if (ret) + return ret; + + ret = nitrox_set_creq(aead_rctx); + if (ret) + return ret; + + /* send the crypto request */ + return nitrox_process_se_request(nctx->ndev, creq, + nitrox_rfc4106_callback, areq); +} + +static int nitrox_rfc4106_dec(struct aead_request *areq) +{ + struct crypto_aead *aead = crypto_aead_reqtfm(areq); + struct nitrox_crypto_ctx *nctx = crypto_aead_ctx(aead); + struct nitrox_rfc4106_rctx *rctx = aead_request_ctx(areq); + struct nitrox_aead_rctx *aead_rctx = &rctx->base; + struct se_crypto_request *creq = &aead_rctx->nkreq.creq; + int ret; + + aead_rctx->cryptlen = areq->cryptlen - aead->authsize; + aead_rctx->assoclen = areq->assoclen - GCM_RFC4106_IV_SIZE; + aead_rctx->srclen = + areq->cryptlen - GCM_RFC4106_IV_SIZE + areq->assoclen; + aead_rctx->dstlen = aead_rctx->srclen - aead->authsize; + aead_rctx->iv = areq->iv; + aead_rctx->ivsize = GCM_RFC4106_IV_SIZE; + aead_rctx->flags = areq->base.flags; + aead_rctx->ctx_handle = nctx->u.ctx_handle; + aead_rctx->ctrl_arg = DECRYPT; + + ret = nitrox_rfc4106_set_aead_rctx_sglist(areq); + if (ret) + return ret; + + ret = nitrox_set_creq(aead_rctx); + if (ret) + return ret; + + /* send the crypto request */ + return nitrox_process_se_request(nctx->ndev, creq, + nitrox_rfc4106_callback, areq); +} + +static int nitrox_rfc4106_init(struct crypto_aead *aead) +{ + int ret; + + ret = nitrox_gcm_common_init(aead); + if (ret) + return ret; + + crypto_aead_set_reqsize(aead, sizeof(struct aead_request) + + sizeof(struct nitrox_rfc4106_rctx)); + + return 0; +} + static struct aead_alg nitrox_aeads[] = { { .base = { .cra_name = "gcm(aes)", @@ -351,6 +505,25 @@ static struct aead_alg nitrox_aeads[] = { { .exit = nitrox_aead_exit, .ivsize = GCM_AES_IV_SIZE, .maxauthsize = AES_BLOCK_SIZE, +}, { + .base = { + .cra_name = "rfc4106(gcm(aes))", + .cra_driver_name = "n5_rfc4106", + .cra_priority = PRIO, + .cra_flags = CRYPTO_ALG_ASYNC, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct nitrox_crypto_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + }, + .setkey = nitrox_rfc4106_setkey, + .setauthsize = nitrox_rfc4106_setauthsize, + .encrypt = nitrox_rfc4106_enc, + .decrypt = nitrox_rfc4106_dec, + .init = nitrox_rfc4106_init, + .exit = nitrox_aead_exit, + .ivsize = GCM_RFC4106_IV_SIZE, + .maxauthsize = AES_BLOCK_SIZE, } }; int nitrox_register_aeads(void) diff --git a/drivers/crypto/cavium/nitrox/nitrox_hal.c b/drivers/crypto/cavium/nitrox/nitrox_hal.c index c08d9f33a3b1..3f0df60267a9 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_hal.c +++ b/drivers/crypto/cavium/nitrox/nitrox_hal.c @@ -437,6 +437,45 @@ void config_nps_core_vfcfg_mode(struct nitrox_device *ndev, enum vf_mode mode) nitrox_write_csr(ndev, NPS_CORE_GBL_VFCFG, vfcfg.value); } +static const char *get_core_option(u8 se_cores, u8 ae_cores) +{ + const char *option = ""; + + if (ae_cores == AE_MAX_CORES) { + switch (se_cores) { + case SE_MAX_CORES: + option = "60"; + break; + case 40: + option = "60s"; + break; + } + } else if (ae_cores == (AE_MAX_CORES / 2)) { + option = "30"; + } else { + option = "60i"; + } + + return option; +} + +static const char *get_feature_option(u8 zip_cores, int core_freq) +{ + if (zip_cores == 0) + return ""; + else if (zip_cores < ZIP_MAX_CORES) + return "-C15"; + + if (core_freq >= 850) + return "-C45"; + else if (core_freq >= 750) + return "-C35"; + else if (core_freq >= 550) + return "-C25"; + + return ""; +} + void nitrox_get_hwinfo(struct nitrox_device *ndev) { union emu_fuse_map emu_fuse; @@ -469,24 +508,14 @@ void nitrox_get_hwinfo(struct nitrox_device *ndev) ndev->hw.zip_cores = ZIP_MAX_CORES - dead_cores; } - /* determine the partname CNN55<cores>-<freq><pincount>-<rev>*/ - if (ndev->hw.ae_cores == AE_MAX_CORES) { - switch (ndev->hw.se_cores) { - case SE_MAX_CORES: - i = snprintf(name, sizeof(name), "CNN5560"); - break; - case 40: - i = snprintf(name, sizeof(name), "CNN5560s"); - break; - } - } else if (ndev->hw.ae_cores == (AE_MAX_CORES / 2)) { - i = snprintf(name, sizeof(name), "CNN5530"); - } else { - i = snprintf(name, sizeof(name), "CNN5560i"); - } - - snprintf(name + i, sizeof(name) - i, "-%3dBG676-1.%u", - ndev->hw.freq, ndev->hw.revision_id); + /* determine the partname + * CNN55<core option>-<freq><pincount>-<feature option>-<rev> + */ + snprintf(name, sizeof(name), "CNN55%s-%3dBG676%s-1.%u", + get_core_option(ndev->hw.se_cores, ndev->hw.ae_cores), + ndev->hw.freq, + get_feature_option(ndev->hw.zip_cores, ndev->hw.freq), + ndev->hw.revision_id); /* copy partname */ strncpy(ndev->hw.partname, name, sizeof(ndev->hw.partname)); diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c index faa78f651238..fe825d0ef9ca 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_main.c +++ b/drivers/crypto/cavium/nitrox/nitrox_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only #include <linux/aer.h> #include <linux/delay.h> #include <linux/firmware.h> diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h index 76c0f0be7233..efdbd0fc3e3b 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_req.h +++ b/drivers/crypto/cavium/nitrox/nitrox_req.h @@ -212,6 +212,50 @@ struct nitrox_kcrypt_request { }; /** + * struct nitrox_aead_rctx - AEAD request context + * @nkreq: Base request context + * @cryptlen: Encryption/Decryption data length + * @assoclen: AAD length + * @srclen: Input buffer length + * @dstlen: Output buffer length + * @iv: IV data + * @ivsize: IV data length + * @flags: AEAD req flags + * @ctx_handle: Device context handle + * @src: Source sglist + * @dst: Destination sglist + * @ctrl_arg: Identifies the request type (ENCRYPT/DECRYPT) + */ +struct nitrox_aead_rctx { + struct nitrox_kcrypt_request nkreq; + unsigned int cryptlen; + unsigned int assoclen; + unsigned int srclen; + unsigned int dstlen; + u8 *iv; + int ivsize; + u32 flags; + u64 ctx_handle; + struct scatterlist *src; + struct scatterlist *dst; + u8 ctrl_arg; +}; + +/** + * struct nitrox_rfc4106_rctx - rfc4106 cipher request context + * @base: AEAD request context + * @src: Source sglist + * @dst: Destination sglist + * @assoc: AAD + */ +struct nitrox_rfc4106_rctx { + struct nitrox_aead_rctx base; + struct scatterlist src[3]; + struct scatterlist dst[3]; + u8 assoc[20]; +}; + +/** * struct pkt_instr_hdr - Packet Instruction Header * @g: Gather used * When [G] is set and [GSZ] != 0, the instruction is @@ -512,7 +556,7 @@ static inline struct scatterlist *create_multi_sg(struct scatterlist *to_sg, struct scatterlist *sg = to_sg; unsigned int sglen; - for (; buflen; buflen -= sglen) { + for (; buflen && from_sg; buflen -= sglen) { sglen = from_sg->length; if (sglen > buflen) sglen = buflen; diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c index 4c97478d44bd..5826c2c98a50 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c @@ -303,8 +303,6 @@ static void post_se_instr(struct nitrox_softreq *sr, /* Ring doorbell with count 1 */ writeq(1, cmdq->dbell_csr_addr); - /* orders the doorbell rings */ - mmiowb(); cmdq->write_idx = incr_index(idx, 1, ndev->qlen); @@ -599,8 +597,6 @@ void pkt_slc_resp_tasklet(unsigned long data) * MSI-X interrupt generates if Completion count > Threshold */ writeq(slc_cnts.value, cmdq->compl_cnt_csr_addr); - /* order the writes */ - mmiowb(); if (atomic_read(&cmdq->backlog_count)) schedule_work(&cmdq->backlog_qflush); diff --git a/drivers/crypto/cavium/nitrox/nitrox_skcipher.c b/drivers/crypto/cavium/nitrox/nitrox_skcipher.c index d4935d6cefdd..7e4a5e69085e 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_skcipher.c +++ b/drivers/crypto/cavium/nitrox/nitrox_skcipher.c @@ -257,12 +257,8 @@ static int nitrox_aes_decrypt(struct skcipher_request *skreq) static int nitrox_3des_setkey(struct crypto_skcipher *cipher, const u8 *key, unsigned int keylen) { - if (keylen != DES3_EDE_KEY_SIZE) { - crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - - return nitrox_skcipher_setkey(cipher, 0, key, keylen); + return unlikely(des3_verify_key(cipher, key)) ?: + nitrox_skcipher_setkey(cipher, 0, key, keylen); } static int nitrox_3des_encrypt(struct skcipher_request *skreq) diff --git a/drivers/crypto/cavium/zip/zip_crypto.c b/drivers/crypto/cavium/zip/zip_crypto.c index b92b6e7e100f..4985bc812b0e 100644 --- a/drivers/crypto/cavium/zip/zip_crypto.c +++ b/drivers/crypto/cavium/zip/zip_crypto.c @@ -69,7 +69,7 @@ static void zip_static_init_zip_ops(struct zip_operation *zip_ops, zip_ops->csum = 1; /* Adler checksum desired */ } -int zip_ctx_init(struct zip_kernel_ctx *zip_ctx, int lzs_flag) +static int zip_ctx_init(struct zip_kernel_ctx *zip_ctx, int lzs_flag) { struct zip_operation *comp_ctx = &zip_ctx->zip_comp; struct zip_operation *decomp_ctx = &zip_ctx->zip_decomp; @@ -107,7 +107,7 @@ err_comp_input: return -ENOMEM; } -void zip_ctx_exit(struct zip_kernel_ctx *zip_ctx) +static void zip_ctx_exit(struct zip_kernel_ctx *zip_ctx) { struct zip_operation *comp_ctx = &zip_ctx->zip_comp; struct zip_operation *dec_ctx = &zip_ctx->zip_decomp; @@ -119,7 +119,7 @@ void zip_ctx_exit(struct zip_kernel_ctx *zip_ctx) zip_data_buf_free(dec_ctx->output, MAX_OUTPUT_BUFFER_SIZE); } -int zip_compress(const u8 *src, unsigned int slen, +static int zip_compress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, struct zip_kernel_ctx *zip_ctx) { @@ -155,7 +155,7 @@ int zip_compress(const u8 *src, unsigned int slen, return ret; } -int zip_decompress(const u8 *src, unsigned int slen, +static int zip_decompress(const u8 *src, unsigned int slen, u8 *dst, unsigned int *dlen, struct zip_kernel_ctx *zip_ctx) { diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig index b9dfae47aefd..48f3edc1e3fb 100644 --- a/drivers/crypto/ccp/Kconfig +++ b/drivers/crypto/ccp/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_CCP_DD tristate "Secure Processor device driver" depends on CPU_SUP_AMD || ARM64 diff --git a/drivers/crypto/ccp/ccp-crypto-des3.c b/drivers/crypto/ccp/ccp-crypto-des3.c index c2ff551d215b..91482ffcac59 100644 --- a/drivers/crypto/ccp/ccp-crypto-des3.c +++ b/drivers/crypto/ccp/ccp-crypto-des3.c @@ -43,24 +43,11 @@ static int ccp_des3_setkey(struct crypto_ablkcipher *tfm, const u8 *key, struct ccp_crypto_ablkcipher_alg *alg = ccp_crypto_ablkcipher_alg(crypto_ablkcipher_tfm(tfm)); u32 *flags = &tfm->base.crt_flags; + int err; - - /* From des_generic.c: - * - * RFC2451: - * If the first two or last two independent 64-bit keys are - * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the - * same as DES. Implementers MUST reject keys that exhibit this - * property. - */ - const u32 *K = (const u32 *)key; - - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } + err = __des3_verify_key(flags, key); + if (unlikely(err)) + return err; /* It's not clear that there is any support for a keysize of 112. * If needed, the caller should make K1 == K3 diff --git a/drivers/crypto/ccp/ccp-crypto-rsa.c b/drivers/crypto/ccp/ccp-crypto-rsa.c index 05850dfd7940..a2570c0c8cdc 100644 --- a/drivers/crypto/ccp/ccp-crypto-rsa.c +++ b/drivers/crypto/ccp/ccp-crypto-rsa.c @@ -37,10 +37,9 @@ static inline int ccp_copy_and_save_keypart(u8 **kpbuf, unsigned int *kplen, if (buf[nskip]) break; *kplen = sz - nskip; - *kpbuf = kzalloc(*kplen, GFP_KERNEL); + *kpbuf = kmemdup(buf + nskip, *kplen, GFP_KERNEL); if (!*kpbuf) return -ENOMEM; - memcpy(*kpbuf, buf + nskip, *kplen); return 0; } @@ -214,8 +213,6 @@ static void ccp_rsa_exit_tfm(struct crypto_akcipher *tfm) static struct akcipher_alg ccp_rsa_defaults = { .encrypt = ccp_rsa_encrypt, .decrypt = ccp_rsa_decrypt, - .sign = ccp_rsa_decrypt, - .verify = ccp_rsa_encrypt, .set_pub_key = ccp_rsa_setpubkey, .set_priv_key = ccp_rsa_setprivkey, .max_size = ccp_rsa_maxsize, @@ -248,7 +245,8 @@ static struct ccp_rsa_def rsa_algs[] = { } }; -int ccp_register_rsa_alg(struct list_head *head, const struct ccp_rsa_def *def) +static int ccp_register_rsa_alg(struct list_head *head, + const struct ccp_rsa_def *def) { struct ccp_crypto_akcipher_alg *ccp_alg; struct akcipher_alg *alg; diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index 10a61cd54fce..3e10573f589e 100644 --- a/drivers/crypto/ccp/ccp-crypto-sha.c +++ b/drivers/crypto/ccp/ccp-crypto-sha.c @@ -293,8 +293,6 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key, if (key_len > block_size) { /* Must hash the input key */ sdesc->tfm = shash; - sdesc->flags = crypto_ahash_get_flags(tfm) & - CRYPTO_TFM_REQ_MAY_SLEEP; ret = crypto_shash_digest(sdesc, key, key_len, ctx->u.sha.key); diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index fadf859a14b8..656838433f2f 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -583,6 +583,69 @@ e_free: return ret; } +static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp) +{ + struct sev_user_data_get_id2 input; + struct sev_data_get_id *data; + void *id_blob = NULL; + int ret; + + /* SEV GET_ID is available from SEV API v0.16 and up */ + if (!SEV_VERSION_GREATER_OR_EQUAL(0, 16)) + return -ENOTSUPP; + + if (copy_from_user(&input, (void __user *)argp->data, sizeof(input))) + return -EFAULT; + + /* Check if we have write access to the userspace buffer */ + if (input.address && + input.length && + !access_ok(input.address, input.length)) + return -EFAULT; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + if (input.address && input.length) { + id_blob = kmalloc(input.length, GFP_KERNEL); + if (!id_blob) { + kfree(data); + return -ENOMEM; + } + + data->address = __psp_pa(id_blob); + data->len = input.length; + } + + ret = __sev_do_cmd_locked(SEV_CMD_GET_ID, data, &argp->error); + + /* + * Firmware will return the length of the ID value (either the minimum + * required length or the actual length written), return it to the user. + */ + input.length = data->len; + + if (copy_to_user((void __user *)argp->data, &input, sizeof(input))) { + ret = -EFAULT; + goto e_free; + } + + if (id_blob) { + if (copy_to_user((void __user *)input.address, + id_blob, data->len)) { + ret = -EFAULT; + goto e_free; + } + } + +e_free: + kfree(id_blob); + kfree(data); + + return ret; +} + static int sev_ioctl_do_get_id(struct sev_issue_cmd *argp) { struct sev_data_get_id *data; @@ -761,8 +824,12 @@ static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg) ret = sev_ioctl_do_pdh_export(&input); break; case SEV_GET_ID: + pr_warn_once("SEV_GET_ID command is deprecated, use SEV_GET_ID2\n"); ret = sev_ioctl_do_get_id(&input); break; + case SEV_GET_ID2: + ret = sev_ioctl_do_get_id2(&input); + break; default: ret = -EINVAL; goto out; @@ -997,7 +1064,7 @@ void psp_pci_init(void) rc = sev_platform_init(&error); if (rc) { dev_err(sp->dev, "SEV: failed to INIT error %#x\n", error); - goto err; + return; } dev_info(sp->dev, "SEV API:%d.%d build:%d\n", psp_master->api_major, diff --git a/drivers/crypto/ccree/Makefile b/drivers/crypto/ccree/Makefile index bdc27970f95f..145e50bdbf16 100644 --- a/drivers/crypto/ccree/Makefile +++ b/drivers/crypto/ccree/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2012-2019 ARM Limited (or its affiliates). obj-$(CONFIG_CRYPTO_DEV_CCREE) := ccree.o ccree-y := cc_driver.o cc_buffer_mgr.o cc_request_mgr.o cc_cipher.o cc_hash.o cc_aead.o cc_ivgen.o cc_sram_mgr.o diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index a3527c00b29a..7aa4cbe19a86 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> #include <linux/module.h> @@ -23,12 +23,8 @@ #define MAX_HMAC_DIGEST_SIZE (SHA256_DIGEST_SIZE) #define MAX_HMAC_BLOCK_SIZE (SHA256_BLOCK_SIZE) -#define AES_CCM_RFC4309_NONCE_SIZE 3 #define MAX_NONCE_SIZE CTR_RFC3686_NONCE_SIZE -/* Value of each ICV_CMP byte (of 8) in case of success */ -#define ICV_VERIF_OK 0x01 - struct cc_aead_handle { cc_sram_addr_t sram_workspace_addr; struct list_head aead_list; @@ -220,6 +216,10 @@ static void cc_aead_complete(struct device *dev, void *cc_req, int err) struct crypto_aead *tfm = crypto_aead_reqtfm(cc_req); struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); + /* BACKLOG notification */ + if (err == -EINPROGRESS) + goto done; + cc_unmap_aead_request(dev, areq); /* Restore ordinary iv pointer */ @@ -424,7 +424,7 @@ static int validate_keys_sizes(struct cc_aead_ctx *ctx) /* This function prepers the user key so it can pass to the hmac processing * (copy to intenral buffer or hash in case of key longer than block */ -static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, +static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey, unsigned int keylen) { dma_addr_t key_dma_addr = 0; @@ -437,6 +437,7 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int hashmode; unsigned int idx = 0; int rc = 0; + u8 *key = NULL; struct cc_hw_desc desc[MAX_AEAD_SETKEY_SEQ]; dma_addr_t padded_authkey_dma_addr = ctx->auth_state.hmac.padded_authkey_dma_addr; @@ -455,11 +456,17 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, } if (keylen != 0) { + + key = kmemdup(authkey, keylen, GFP_KERNEL); + if (!key) + return -ENOMEM; + key_dma_addr = dma_map_single(dev, (void *)key, keylen, DMA_TO_DEVICE); if (dma_mapping_error(dev, key_dma_addr)) { dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", key, keylen); + kzfree(key); return -ENOMEM; } if (keylen > blocksize) { @@ -542,6 +549,8 @@ static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, if (key_dma_addr) dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE); + kzfree(key); + return rc; } @@ -650,6 +659,39 @@ setkey_error: return rc; } +static int cc_des3_aead_setkey(struct crypto_aead *aead, const u8 *key, + unsigned int keylen) +{ + struct crypto_authenc_keys keys; + u32 flags; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(aead); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) { + crypto_aead_set_flags(aead, flags); + goto out; + } + + err = cc_aead_setkey(aead, key, keylen); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + static int cc_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { @@ -731,7 +773,7 @@ static void cc_set_assoc_desc(struct aead_request *areq, unsigned int flow_mode, dev_dbg(dev, "ASSOC buffer type DLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_DLLI, sg_dma_address(areq->src), - areq->assoclen, NS_BIT); + areq_ctx->assoclen, NS_BIT); set_flow_mode(&desc[idx], flow_mode); if (ctx->auth_mode == DRV_HASH_XCBC_MAC && areq_ctx->cryptlen > 0) @@ -1080,9 +1122,11 @@ static void cc_proc_header_desc(struct aead_request *req, struct cc_hw_desc desc[], unsigned int *seq_size) { + struct aead_req_ctx *areq_ctx = aead_request_ctx(req); unsigned int idx = *seq_size; + /* Hash associated data */ - if (req->assoclen > 0) + if (areq_ctx->assoclen > 0) cc_set_assoc_desc(req, DIN_HASH, desc, &idx); /* Hash IV */ @@ -1159,9 +1203,9 @@ static void cc_mlli_to_sram(struct aead_request *req, struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm); struct device *dev = drvdata_to_dev(ctx->drvdata); - if (req_ctx->assoc_buff_type == CC_DMA_BUF_MLLI || + if ((req_ctx->assoc_buff_type == CC_DMA_BUF_MLLI || req_ctx->data_buff_type == CC_DMA_BUF_MLLI || - !req_ctx->is_single_pass) { + !req_ctx->is_single_pass) && req_ctx->mlli_params.mlli_len) { dev_dbg(dev, "Copy-to-sram: mlli_dma=%08x, mlli_size=%u\n", (unsigned int)ctx->drvdata->mlli_sram_addr, req_ctx->mlli_params.mlli_len); @@ -1310,7 +1354,7 @@ static int validate_data_size(struct cc_aead_ctx *ctx, { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); struct device *dev = drvdata_to_dev(ctx->drvdata); - unsigned int assoclen = req->assoclen; + unsigned int assoclen = areq_ctx->assoclen; unsigned int cipherlen = (direct == DRV_CRYPTO_DIRECTION_DECRYPT) ? (req->cryptlen - ctx->authsize) : req->cryptlen; @@ -1469,7 +1513,7 @@ static int cc_ccm(struct aead_request *req, struct cc_hw_desc desc[], idx++; /* process assoc data */ - if (req->assoclen > 0) { + if (req_ctx->assoclen > 0) { cc_set_assoc_desc(req, DIN_HASH, desc, &idx); } else { hw_desc_init(&desc[idx]); @@ -1561,7 +1605,7 @@ static int config_ccm_adata(struct aead_request *req) * NIST Special Publication 800-38C */ *b0 |= (8 * ((m - 2) / 2)); - if (req->assoclen > 0) + if (req_ctx->assoclen > 0) *b0 |= 64; /* Enable bit 6 if Adata exists. */ rc = set_msg_len(b0 + 16 - l, cryptlen, l); /* Write L'. */ @@ -1572,7 +1616,7 @@ static int config_ccm_adata(struct aead_request *req) /* END of "taken from crypto/ccm.c" */ /* l(a) - size of associated data. */ - req_ctx->ccm_hdr_size = format_ccm_a0(a0, req->assoclen); + req_ctx->ccm_hdr_size = format_ccm_a0(a0, req_ctx->assoclen); memset(req->iv + 15 - req->iv[0], 0, req->iv[0] + 1); req->iv[15] = 1; @@ -1604,7 +1648,7 @@ static void cc_proc_rfc4309_ccm(struct aead_request *req) memcpy(areq_ctx->ctr_iv + CCM_BLOCK_IV_OFFSET, req->iv, CCM_BLOCK_IV_SIZE); req->iv = areq_ctx->ctr_iv; - req->assoclen -= CCM_BLOCK_IV_SIZE; + areq_ctx->assoclen -= CCM_BLOCK_IV_SIZE; } static void cc_set_ghash_desc(struct aead_request *req, @@ -1812,7 +1856,7 @@ static int cc_gcm(struct aead_request *req, struct cc_hw_desc desc[], // for gcm and rfc4106. cc_set_ghash_desc(req, desc, seq_size); /* process(ghash) assoc data */ - if (req->assoclen > 0) + if (req_ctx->assoclen > 0) cc_set_assoc_desc(req, DIN_HASH, desc, seq_size); cc_set_gctr_desc(req, desc, seq_size); /* process(gctr+ghash) */ @@ -1836,8 +1880,8 @@ static int config_gcm_context(struct aead_request *req) (req->cryptlen - ctx->authsize); __be32 counter = cpu_to_be32(2); - dev_dbg(dev, "%s() cryptlen = %d, req->assoclen = %d ctx->authsize = %d\n", - __func__, cryptlen, req->assoclen, ctx->authsize); + dev_dbg(dev, "%s() cryptlen = %d, req_ctx->assoclen = %d ctx->authsize = %d\n", + __func__, cryptlen, req_ctx->assoclen, ctx->authsize); memset(req_ctx->hkey, 0, AES_BLOCK_SIZE); @@ -1853,7 +1897,7 @@ static int config_gcm_context(struct aead_request *req) if (!req_ctx->plaintext_authenticate_only) { __be64 temp64; - temp64 = cpu_to_be64(req->assoclen * 8); + temp64 = cpu_to_be64(req_ctx->assoclen * 8); memcpy(&req_ctx->gcm_len_block.len_a, &temp64, sizeof(temp64)); temp64 = cpu_to_be64(cryptlen * 8); memcpy(&req_ctx->gcm_len_block.len_c, &temp64, 8); @@ -1863,8 +1907,8 @@ static int config_gcm_context(struct aead_request *req) */ __be64 temp64; - temp64 = cpu_to_be64((req->assoclen + GCM_BLOCK_RFC4_IV_SIZE + - cryptlen) * 8); + temp64 = cpu_to_be64((req_ctx->assoclen + + GCM_BLOCK_RFC4_IV_SIZE + cryptlen) * 8); memcpy(&req_ctx->gcm_len_block.len_a, &temp64, sizeof(temp64)); temp64 = 0; memcpy(&req_ctx->gcm_len_block.len_c, &temp64, 8); @@ -1884,7 +1928,7 @@ static void cc_proc_rfc4_gcm(struct aead_request *req) memcpy(areq_ctx->ctr_iv + GCM_BLOCK_RFC4_IV_OFFSET, req->iv, GCM_BLOCK_RFC4_IV_SIZE); req->iv = areq_ctx->ctr_iv; - req->assoclen -= GCM_BLOCK_RFC4_IV_SIZE; + areq_ctx->assoclen -= GCM_BLOCK_RFC4_IV_SIZE; } static int cc_proc_aead(struct aead_request *req, @@ -1909,7 +1953,7 @@ static int cc_proc_aead(struct aead_request *req, /* Check data length according to mode */ if (validate_data_size(ctx, direct, req)) { dev_err(dev, "Unsupported crypt/assoc len %d/%d.\n", - req->cryptlen, req->assoclen); + req->cryptlen, areq_ctx->assoclen); crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); return -EINVAL; } @@ -2058,8 +2102,11 @@ static int cc_aead_encrypt(struct aead_request *req) struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc; + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->is_gcm4543 = false; @@ -2087,8 +2134,11 @@ static int cc_rfc4309_ccm_encrypt(struct aead_request *req) goto out; } + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->is_gcm4543 = true; @@ -2106,8 +2156,11 @@ static int cc_aead_decrypt(struct aead_request *req) struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc; + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->is_gcm4543 = false; @@ -2133,8 +2186,11 @@ static int cc_rfc4309_ccm_decrypt(struct aead_request *req) goto out; } + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->is_gcm4543 = true; @@ -2250,8 +2306,11 @@ static int cc_rfc4106_gcm_encrypt(struct aead_request *req) goto out; } + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->plaintext_authenticate_only = false; @@ -2273,11 +2332,14 @@ static int cc_rfc4543_gcm_encrypt(struct aead_request *req) struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc; + memset(areq_ctx, 0, sizeof(*areq_ctx)); + //plaintext is not encryped with rfc4543 areq_ctx->plaintext_authenticate_only = true; /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; cc_proc_rfc4_gcm(req); @@ -2305,8 +2367,11 @@ static int cc_rfc4106_gcm_decrypt(struct aead_request *req) goto out; } + memset(areq_ctx, 0, sizeof(*areq_ctx)); + /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; areq_ctx->plaintext_authenticate_only = false; @@ -2328,11 +2393,14 @@ static int cc_rfc4543_gcm_decrypt(struct aead_request *req) struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc; + memset(areq_ctx, 0, sizeof(*areq_ctx)); + //plaintext is not decryped with rfc4543 areq_ctx->plaintext_authenticate_only = true; /* No generated IV required */ areq_ctx->backup_iv = req->iv; + areq_ctx->assoclen = req->assoclen; areq_ctx->backup_giv = NULL; cc_proc_rfc4_gcm(req); @@ -2372,7 +2440,7 @@ static struct cc_alg_template aead_algs[] = { .driver_name = "authenc-hmac-sha1-cbc-des3-ccree", .blocksize = DES3_EDE_BLOCK_SIZE, .template_aead = { - .setkey = cc_aead_setkey, + .setkey = cc_des3_aead_setkey, .setauthsize = cc_aead_setauthsize, .encrypt = cc_aead_encrypt, .decrypt = cc_aead_decrypt, @@ -2412,7 +2480,7 @@ static struct cc_alg_template aead_algs[] = { .driver_name = "authenc-hmac-sha256-cbc-des3-ccree", .blocksize = DES3_EDE_BLOCK_SIZE, .template_aead = { - .setkey = cc_aead_setkey, + .setkey = cc_des3_aead_setkey, .setauthsize = cc_aead_setauthsize, .encrypt = cc_aead_encrypt, .decrypt = cc_aead_decrypt, diff --git a/drivers/crypto/ccree/cc_aead.h b/drivers/crypto/ccree/cc_aead.h index 5edf3b351fa4..e51724b96c56 100644 --- a/drivers/crypto/ccree/cc_aead.h +++ b/drivers/crypto/ccree/cc_aead.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_aead.h * ARM CryptoCell AEAD Crypto API @@ -67,6 +67,7 @@ struct aead_req_ctx { u8 backup_mac[MAX_MAC_SIZE]; u8 *backup_iv; /*store iv for generated IV flow*/ u8 *backup_giv; /*store iv for rfc3686(ctr) flow*/ + u32 assoclen; /* internal assoclen */ dma_addr_t mac_buf_dma_addr; /* internal ICV DMA buffer */ /* buffer for internal ccm configurations */ dma_addr_t ccm_iv0_dma_addr; diff --git a/drivers/crypto/ccree/cc_buffer_mgr.c b/drivers/crypto/ccree/cc_buffer_mgr.c index 0ee1c52da0a4..c81ad33f9115 100644 --- a/drivers/crypto/ccree/cc_buffer_mgr.c +++ b/drivers/crypto/ccree/cc_buffer_mgr.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <crypto/internal/aead.h> #include <crypto/authenc.h> @@ -65,7 +65,7 @@ static void cc_copy_mac(struct device *dev, struct aead_request *req, { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); struct crypto_aead *tfm = crypto_aead_reqtfm(req); - u32 skip = req->assoclen + req->cryptlen; + u32 skip = areq_ctx->assoclen + req->cryptlen; if (areq_ctx->is_gcm4543) skip += crypto_aead_ivsize(tfm); @@ -83,24 +83,17 @@ static void cc_copy_mac(struct device *dev, struct aead_request *req, */ static unsigned int cc_get_sgl_nents(struct device *dev, struct scatterlist *sg_list, - unsigned int nbytes, u32 *lbytes, - bool *is_chained) + unsigned int nbytes, u32 *lbytes) { unsigned int nents = 0; while (nbytes && sg_list) { - if (sg_list->length) { - nents++; - /* get the number of bytes in the last entry */ - *lbytes = nbytes; - nbytes -= (sg_list->length > nbytes) ? - nbytes : sg_list->length; - sg_list = sg_next(sg_list); - } else { - sg_list = (struct scatterlist *)sg_page(sg_list); - if (is_chained) - *is_chained = true; - } + nents++; + /* get the number of bytes in the last entry */ + *lbytes = nbytes; + nbytes -= (sg_list->length > nbytes) ? + nbytes : sg_list->length; + sg_list = sg_next(sg_list); } dev_dbg(dev, "nents %d last bytes %d\n", nents, *lbytes); return nents; @@ -140,9 +133,9 @@ void cc_zero_sgl(struct scatterlist *sgl, u32 data_len) void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg, u32 to_skip, u32 end, enum cc_sg_cpy_direct direct) { - u32 nents, lbytes; + u32 nents; - nents = cc_get_sgl_nents(dev, sg, end, &lbytes, NULL); + nents = sg_nents_for_len(sg, end); sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip + 1), to_skip, (direct == CC_SG_TO_BUF)); } @@ -314,40 +307,10 @@ static void cc_add_sg_entry(struct device *dev, struct buffer_array *sgl_data, sgl_data->num_of_buffers++; } -static int cc_dma_map_sg(struct device *dev, struct scatterlist *sg, u32 nents, - enum dma_data_direction direction) -{ - u32 i, j; - struct scatterlist *l_sg = sg; - - for (i = 0; i < nents; i++) { - if (!l_sg) - break; - if (dma_map_sg(dev, l_sg, 1, direction) != 1) { - dev_err(dev, "dma_map_page() sg buffer failed\n"); - goto err; - } - l_sg = sg_next(l_sg); - } - return nents; - -err: - /* Restore mapped parts */ - for (j = 0; j < i; j++) { - if (!sg) - break; - dma_unmap_sg(dev, sg, 1, direction); - sg = sg_next(sg); - } - return 0; -} - static int cc_map_sg(struct device *dev, struct scatterlist *sg, unsigned int nbytes, int direction, u32 *nents, u32 max_sg_nents, u32 *lbytes, u32 *mapped_nents) { - bool is_chained = false; - if (sg_is_last(sg)) { /* One entry only case -set to DLLI */ if (dma_map_sg(dev, sg, 1, direction) != 1) { @@ -361,35 +324,21 @@ static int cc_map_sg(struct device *dev, struct scatterlist *sg, *nents = 1; *mapped_nents = 1; } else { /*sg_is_last*/ - *nents = cc_get_sgl_nents(dev, sg, nbytes, lbytes, - &is_chained); + *nents = cc_get_sgl_nents(dev, sg, nbytes, lbytes); if (*nents > max_sg_nents) { *nents = 0; dev_err(dev, "Too many fragments. current %d max %d\n", *nents, max_sg_nents); return -ENOMEM; } - if (!is_chained) { - /* In case of mmu the number of mapped nents might - * be changed from the original sgl nents - */ - *mapped_nents = dma_map_sg(dev, sg, *nents, direction); - if (*mapped_nents == 0) { - *nents = 0; - dev_err(dev, "dma_map_sg() sg buffer failed\n"); - return -ENOMEM; - } - } else { - /*In this case the driver maps entry by entry so it - * must have the same nents before and after map - */ - *mapped_nents = cc_dma_map_sg(dev, sg, *nents, - direction); - if (*mapped_nents != *nents) { - *nents = *mapped_nents; - dev_err(dev, "dma_map_sg() sg buffer failed\n"); - return -ENOMEM; - } + /* In case of mmu the number of mapped nents might + * be changed from the original sgl nents + */ + *mapped_nents = dma_map_sg(dev, sg, *nents, direction); + if (*mapped_nents == 0) { + *nents = 0; + dev_err(dev, "dma_map_sg() sg buffer failed\n"); + return -ENOMEM; } } @@ -457,7 +406,7 @@ void cc_unmap_cipher_request(struct device *dev, void *ctx, dev_dbg(dev, "Unmapped iv: iv_dma_addr=%pad iv_size=%u\n", &req_ctx->gen_ctx.iv_dma_addr, ivsize); dma_unmap_single(dev, req_ctx->gen_ctx.iv_dma_addr, - ivsize, DMA_TO_DEVICE); + ivsize, DMA_BIDIRECTIONAL); } /* Release pool */ if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI && @@ -499,7 +448,7 @@ int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx, dump_byte_array("iv", (u8 *)info, ivsize); req_ctx->gen_ctx.iv_dma_addr = dma_map_single(dev, (void *)info, - ivsize, DMA_TO_DEVICE); + ivsize, DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, req_ctx->gen_ctx.iv_dma_addr)) { dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n", ivsize, info); @@ -568,11 +517,7 @@ void cc_unmap_aead_request(struct device *dev, struct aead_request *req) { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); unsigned int hw_iv_size = areq_ctx->hw_iv_size; - struct crypto_aead *tfm = crypto_aead_reqtfm(req); struct cc_drvdata *drvdata = dev_get_drvdata(dev); - u32 dummy; - bool chained; - u32 size_to_unmap = 0; if (areq_ctx->mac_buf_dma_addr) { dma_unmap_single(dev, areq_ctx->mac_buf_dma_addr, @@ -612,6 +557,7 @@ void cc_unmap_aead_request(struct device *dev, struct aead_request *req) if (areq_ctx->gen_ctx.iv_dma_addr) { dma_unmap_single(dev, areq_ctx->gen_ctx.iv_dma_addr, hw_iv_size, DMA_BIDIRECTIONAL); + kzfree(areq_ctx->gen_ctx.iv); } /* Release pool */ @@ -628,23 +574,13 @@ void cc_unmap_aead_request(struct device *dev, struct aead_request *req) dev_dbg(dev, "Unmapping src sgl: req->src=%pK areq_ctx->src.nents=%u areq_ctx->assoc.nents=%u assoclen:%u cryptlen=%u\n", sg_virt(req->src), areq_ctx->src.nents, areq_ctx->assoc.nents, - req->assoclen, req->cryptlen); - size_to_unmap = req->assoclen + req->cryptlen; - if (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT) - size_to_unmap += areq_ctx->req_authsize; - if (areq_ctx->is_gcm4543) - size_to_unmap += crypto_aead_ivsize(tfm); + areq_ctx->assoclen, req->cryptlen); - dma_unmap_sg(dev, req->src, - cc_get_sgl_nents(dev, req->src, size_to_unmap, - &dummy, &chained), - DMA_BIDIRECTIONAL); + dma_unmap_sg(dev, req->src, sg_nents(req->src), DMA_BIDIRECTIONAL); if (req->src != req->dst) { dev_dbg(dev, "Unmapping dst sgl: req->dst=%pK\n", sg_virt(req->dst)); - dma_unmap_sg(dev, req->dst, - cc_get_sgl_nents(dev, req->dst, size_to_unmap, - &dummy, &chained), + dma_unmap_sg(dev, req->dst, sg_nents(req->dst), DMA_BIDIRECTIONAL); } if (drvdata->coherent && @@ -658,55 +594,10 @@ void cc_unmap_aead_request(struct device *dev, struct aead_request *req) } } -static int cc_get_aead_icv_nents(struct device *dev, struct scatterlist *sgl, - unsigned int sgl_nents, unsigned int authsize, - u32 last_entry_data_size, - bool *is_icv_fragmented) +static bool cc_is_icv_frag(unsigned int sgl_nents, unsigned int authsize, + u32 last_entry_data_size) { - unsigned int icv_max_size = 0; - unsigned int icv_required_size = authsize > last_entry_data_size ? - (authsize - last_entry_data_size) : - authsize; - unsigned int nents; - unsigned int i; - - if (sgl_nents < MAX_ICV_NENTS_SUPPORTED) { - *is_icv_fragmented = false; - return 0; - } - - for (i = 0 ; i < (sgl_nents - MAX_ICV_NENTS_SUPPORTED) ; i++) { - if (!sgl) - break; - sgl = sg_next(sgl); - } - - if (sgl) - icv_max_size = sgl->length; - - if (last_entry_data_size > authsize) { - /* ICV attached to data in last entry (not fragmented!) */ - nents = 0; - *is_icv_fragmented = false; - } else if (last_entry_data_size == authsize) { - /* ICV placed in whole last entry (not fragmented!) */ - nents = 1; - *is_icv_fragmented = false; - } else if (icv_max_size > icv_required_size) { - nents = 1; - *is_icv_fragmented = true; - } else if (icv_max_size == icv_required_size) { - nents = 2; - *is_icv_fragmented = true; - } else { - dev_err(dev, "Unsupported num. of ICV fragments (> %d)\n", - MAX_ICV_NENTS_SUPPORTED); - nents = -1; /*unsupported*/ - } - dev_dbg(dev, "is_frag=%s icv_nents=%u\n", - (*is_icv_fragmented ? "true" : "false"), nents); - - return nents; + return ((sgl_nents > 1) && (last_entry_data_size < authsize)); } static int cc_aead_chain_iv(struct cc_drvdata *drvdata, @@ -717,19 +608,27 @@ static int cc_aead_chain_iv(struct cc_drvdata *drvdata, struct aead_req_ctx *areq_ctx = aead_request_ctx(req); unsigned int hw_iv_size = areq_ctx->hw_iv_size; struct device *dev = drvdata_to_dev(drvdata); + gfp_t flags = cc_gfp_flags(&req->base); int rc = 0; if (!req->iv) { areq_ctx->gen_ctx.iv_dma_addr = 0; + areq_ctx->gen_ctx.iv = NULL; goto chain_iv_exit; } - areq_ctx->gen_ctx.iv_dma_addr = dma_map_single(dev, req->iv, - hw_iv_size, - DMA_BIDIRECTIONAL); + areq_ctx->gen_ctx.iv = kmemdup(req->iv, hw_iv_size, flags); + if (!areq_ctx->gen_ctx.iv) + return -ENOMEM; + + areq_ctx->gen_ctx.iv_dma_addr = + dma_map_single(dev, areq_ctx->gen_ctx.iv, hw_iv_size, + DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, areq_ctx->gen_ctx.iv_dma_addr)) { dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n", hw_iv_size, req->iv); + kzfree(areq_ctx->gen_ctx.iv); + areq_ctx->gen_ctx.iv = NULL; rc = -ENOMEM; goto chain_iv_exit; } @@ -760,11 +659,9 @@ static int cc_aead_chain_assoc(struct cc_drvdata *drvdata, { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc = 0; - u32 mapped_nents = 0; - struct scatterlist *current_sg = req->src; + int mapped_nents = 0; struct crypto_aead *tfm = crypto_aead_reqtfm(req); - unsigned int sg_index = 0; - u32 size_of_assoc = req->assoclen; + unsigned int size_of_assoc = areq_ctx->assoclen; struct device *dev = drvdata_to_dev(drvdata); if (areq_ctx->is_gcm4543) @@ -775,7 +672,7 @@ static int cc_aead_chain_assoc(struct cc_drvdata *drvdata, goto chain_assoc_exit; } - if (req->assoclen == 0) { + if (areq_ctx->assoclen == 0) { areq_ctx->assoc_buff_type = CC_DMA_BUF_NULL; areq_ctx->assoc.nents = 0; areq_ctx->assoc.mlli_nents = 0; @@ -785,26 +682,10 @@ static int cc_aead_chain_assoc(struct cc_drvdata *drvdata, goto chain_assoc_exit; } - //iterate over the sgl to see how many entries are for associated data - //it is assumed that if we reach here , the sgl is already mapped - sg_index = current_sg->length; - //the first entry in the scatter list contains all the associated data - if (sg_index > size_of_assoc) { - mapped_nents++; - } else { - while (sg_index <= size_of_assoc) { - current_sg = sg_next(current_sg); - /* if have reached the end of the sgl, then this is - * unexpected - */ - if (!current_sg) { - dev_err(dev, "reached end of sg list. unexpected\n"); - return -EINVAL; - } - sg_index += current_sg->length; - mapped_nents++; - } - } + mapped_nents = sg_nents_for_len(req->src, size_of_assoc); + if (mapped_nents < 0) + return mapped_nents; + if (mapped_nents > LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES) { dev_err(dev, "Too many fragments. current %d max %d\n", mapped_nents, LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES); @@ -835,7 +716,7 @@ static int cc_aead_chain_assoc(struct cc_drvdata *drvdata, cc_dma_buf_type(areq_ctx->assoc_buff_type), areq_ctx->assoc.nents); cc_add_sg_entry(dev, sg_data, areq_ctx->assoc.nents, req->src, - req->assoclen, 0, is_last, + areq_ctx->assoclen, 0, is_last, &areq_ctx->assoc.mlli_nents); areq_ctx->assoc_buff_type = CC_DMA_BUF_MLLI; } @@ -850,39 +731,32 @@ static void cc_prepare_aead_data_dlli(struct aead_request *req, struct aead_req_ctx *areq_ctx = aead_request_ctx(req); enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type; unsigned int authsize = areq_ctx->req_authsize; + struct scatterlist *sg; + ssize_t offset; areq_ctx->is_icv_fragmented = false; - if (req->src == req->dst) { - /*INPLACE*/ - areq_ctx->icv_dma_addr = sg_dma_address(areq_ctx->src_sgl) + - (*src_last_bytes - authsize); - areq_ctx->icv_virt_addr = sg_virt(areq_ctx->src_sgl) + - (*src_last_bytes - authsize); - } else if (direct == DRV_CRYPTO_DIRECTION_DECRYPT) { - /*NON-INPLACE and DECRYPT*/ - areq_ctx->icv_dma_addr = sg_dma_address(areq_ctx->src_sgl) + - (*src_last_bytes - authsize); - areq_ctx->icv_virt_addr = sg_virt(areq_ctx->src_sgl) + - (*src_last_bytes - authsize); + + if ((req->src == req->dst) || direct == DRV_CRYPTO_DIRECTION_DECRYPT) { + sg = areq_ctx->src_sgl; + offset = *src_last_bytes - authsize; } else { - /*NON-INPLACE and ENCRYPT*/ - areq_ctx->icv_dma_addr = sg_dma_address(areq_ctx->dst_sgl) + - (*dst_last_bytes - authsize); - areq_ctx->icv_virt_addr = sg_virt(areq_ctx->dst_sgl) + - (*dst_last_bytes - authsize); + sg = areq_ctx->dst_sgl; + offset = *dst_last_bytes - authsize; } + + areq_ctx->icv_dma_addr = sg_dma_address(sg) + offset; + areq_ctx->icv_virt_addr = sg_virt(sg) + offset; } -static int cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, - struct aead_request *req, - struct buffer_array *sg_data, - u32 *src_last_bytes, u32 *dst_last_bytes, - bool is_last_table) +static void cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, + struct aead_request *req, + struct buffer_array *sg_data, + u32 *src_last_bytes, u32 *dst_last_bytes, + bool is_last_table) { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type; unsigned int authsize = areq_ctx->req_authsize; - int rc = 0, icv_nents; struct device *dev = drvdata_to_dev(drvdata); struct scatterlist *sg; @@ -893,14 +767,9 @@ static int cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, areq_ctx->src_offset, is_last_table, &areq_ctx->src.mlli_nents); - icv_nents = cc_get_aead_icv_nents(dev, areq_ctx->src_sgl, - areq_ctx->src.nents, - authsize, *src_last_bytes, - &areq_ctx->is_icv_fragmented); - if (icv_nents < 0) { - rc = -ENOTSUPP; - goto prepare_data_mlli_exit; - } + areq_ctx->is_icv_fragmented = + cc_is_icv_frag(areq_ctx->src.nents, authsize, + *src_last_bytes); if (areq_ctx->is_icv_fragmented) { /* Backup happens only when ICV is fragmented, ICV @@ -942,16 +811,11 @@ static int cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, areq_ctx->dst_offset, is_last_table, &areq_ctx->dst.mlli_nents); - icv_nents = cc_get_aead_icv_nents(dev, areq_ctx->src_sgl, - areq_ctx->src.nents, - authsize, *src_last_bytes, - &areq_ctx->is_icv_fragmented); - if (icv_nents < 0) { - rc = -ENOTSUPP; - goto prepare_data_mlli_exit; - } - + areq_ctx->is_icv_fragmented = + cc_is_icv_frag(areq_ctx->src.nents, authsize, + *src_last_bytes); /* Backup happens only when ICV is fragmented, ICV + * verification is made by CPU compare in order to simplify * MAC verification upon request completion */ @@ -979,14 +843,9 @@ static int cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, areq_ctx->src_offset, is_last_table, &areq_ctx->src.mlli_nents); - icv_nents = cc_get_aead_icv_nents(dev, areq_ctx->dst_sgl, - areq_ctx->dst.nents, - authsize, *dst_last_bytes, - &areq_ctx->is_icv_fragmented); - if (icv_nents < 0) { - rc = -ENOTSUPP; - goto prepare_data_mlli_exit; - } + areq_ctx->is_icv_fragmented = + cc_is_icv_frag(areq_ctx->dst.nents, authsize, + *dst_last_bytes); if (!areq_ctx->is_icv_fragmented) { sg = &areq_ctx->dst_sgl[areq_ctx->dst.nents - 1]; @@ -1000,9 +859,6 @@ static int cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata, areq_ctx->icv_virt_addr = areq_ctx->mac_buf; } } - -prepare_data_mlli_exit: - return rc; } static int cc_aead_chain_data(struct cc_drvdata *drvdata, @@ -1019,12 +875,12 @@ static int cc_aead_chain_data(struct cc_drvdata *drvdata, u32 src_mapped_nents = 0, dst_mapped_nents = 0; u32 offset = 0; /* non-inplace mode */ - unsigned int size_for_map = req->assoclen + req->cryptlen; + unsigned int size_for_map = areq_ctx->assoclen + req->cryptlen; struct crypto_aead *tfm = crypto_aead_reqtfm(req); u32 sg_index = 0; - bool chained = false; bool is_gcm4543 = areq_ctx->is_gcm4543; - u32 size_to_skip = req->assoclen; + u32 size_to_skip = areq_ctx->assoclen; + struct scatterlist *sgl; if (is_gcm4543) size_to_skip += crypto_aead_ivsize(tfm); @@ -1043,19 +899,17 @@ static int cc_aead_chain_data(struct cc_drvdata *drvdata, size_for_map += (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? authsize : 0; src_mapped_nents = cc_get_sgl_nents(dev, req->src, size_for_map, - &src_last_bytes, &chained); + &src_last_bytes); sg_index = areq_ctx->src_sgl->length; //check where the data starts while (sg_index <= size_to_skip) { + src_mapped_nents--; offset -= areq_ctx->src_sgl->length; - areq_ctx->src_sgl = sg_next(areq_ctx->src_sgl); - //if have reached the end of the sgl, then this is unexpected - if (!areq_ctx->src_sgl) { - dev_err(dev, "reached end of sg list. unexpected\n"); - return -EINVAL; - } + sgl = sg_next(areq_ctx->src_sgl); + if (!sgl) + break; + areq_ctx->src_sgl = sgl; sg_index += areq_ctx->src_sgl->length; - src_mapped_nents--; } if (src_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES) { dev_err(dev, "Too many fragments. current %d max %d\n", @@ -1068,7 +922,7 @@ static int cc_aead_chain_data(struct cc_drvdata *drvdata, areq_ctx->src_offset = offset; if (req->src != req->dst) { - size_for_map = req->assoclen + req->cryptlen; + size_for_map = areq_ctx->assoclen + req->cryptlen; size_for_map += (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? authsize : 0; if (is_gcm4543) @@ -1083,21 +937,19 @@ static int cc_aead_chain_data(struct cc_drvdata *drvdata, } dst_mapped_nents = cc_get_sgl_nents(dev, req->dst, size_for_map, - &dst_last_bytes, &chained); + &dst_last_bytes); sg_index = areq_ctx->dst_sgl->length; offset = size_to_skip; //check where the data starts while (sg_index <= size_to_skip) { + dst_mapped_nents--; offset -= areq_ctx->dst_sgl->length; - areq_ctx->dst_sgl = sg_next(areq_ctx->dst_sgl); - //if have reached the end of the sgl, then this is unexpected - if (!areq_ctx->dst_sgl) { - dev_err(dev, "reached end of sg list. unexpected\n"); - return -EINVAL; - } + sgl = sg_next(areq_ctx->dst_sgl); + if (!sgl) + break; + areq_ctx->dst_sgl = sgl; sg_index += areq_ctx->dst_sgl->length; - dst_mapped_nents--; } if (dst_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES) { dev_err(dev, "Too many fragments. current %d max %d\n", @@ -1110,9 +962,9 @@ static int cc_aead_chain_data(struct cc_drvdata *drvdata, dst_mapped_nents > 1 || do_chain) { areq_ctx->data_buff_type = CC_DMA_BUF_MLLI; - rc = cc_prepare_aead_data_mlli(drvdata, req, sg_data, - &src_last_bytes, - &dst_last_bytes, is_last_table); + cc_prepare_aead_data_mlli(drvdata, req, sg_data, + &src_last_bytes, &dst_last_bytes, + is_last_table); } else { areq_ctx->data_buff_type = CC_DMA_BUF_DLLI; cc_prepare_aead_data_dlli(req, &src_last_bytes, @@ -1234,7 +1086,7 @@ int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req) areq_ctx->ccm_iv0_dma_addr = dma_addr; rc = cc_set_aead_conf_buf(dev, areq_ctx, areq_ctx->ccm_config, - &sg_data, req->assoclen); + &sg_data, areq_ctx->assoclen); if (rc) goto aead_map_failure; } @@ -1285,7 +1137,7 @@ int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req) areq_ctx->gcm_iv_inc2_dma_addr = dma_addr; } - size_to_map = req->cryptlen + req->assoclen; + size_to_map = req->cryptlen + areq_ctx->assoclen; if (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT) size_to_map += authsize; @@ -1483,8 +1335,7 @@ int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx, if (total_in_len < block_size) { dev_dbg(dev, " less than one block: curr_buff=%pK *curr_buff_cnt=0x%X copy_to=%pK\n", curr_buff, *curr_buff_cnt, &curr_buff[*curr_buff_cnt]); - areq_ctx->in_nents = - cc_get_sgl_nents(dev, src, nbytes, &dummy, NULL); + areq_ctx->in_nents = sg_nents_for_len(src, nbytes); sg_copy_to_buffer(src, areq_ctx->in_nents, &curr_buff[*curr_buff_cnt], nbytes); *curr_buff_cnt += nbytes; diff --git a/drivers/crypto/ccree/cc_buffer_mgr.h b/drivers/crypto/ccree/cc_buffer_mgr.h index 3ec4b4db5247..a726016bdbc1 100644 --- a/drivers/crypto/ccree/cc_buffer_mgr.h +++ b/drivers/crypto/ccree/cc_buffer_mgr.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_buffer_mgr.h * Buffer Manager diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c index d9c17078517b..5b58226ea24d 100644 --- a/drivers/crypto/ccree/cc_cipher.c +++ b/drivers/crypto/ccree/cc_cipher.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> #include <linux/module.h> @@ -34,6 +34,18 @@ struct cc_hw_key_info { enum cc_hw_crypto_key key2_slot; }; +struct cc_cpp_key_info { + u8 slot; + enum cc_cpp_alg alg; +}; + +enum cc_key_type { + CC_UNPROTECTED_KEY, /* User key */ + CC_HW_PROTECTED_KEY, /* HW (FDE) key */ + CC_POLICY_PROTECTED_KEY, /* CPP key */ + CC_INVALID_PROTECTED_KEY /* Invalid key */ +}; + struct cc_cipher_ctx { struct cc_drvdata *drvdata; int keylen; @@ -41,19 +53,22 @@ struct cc_cipher_ctx { int cipher_mode; int flow_mode; unsigned int flags; - bool hw_key; + enum cc_key_type key_type; struct cc_user_key_info user; - struct cc_hw_key_info hw; + union { + struct cc_hw_key_info hw; + struct cc_cpp_key_info cpp; + }; struct crypto_shash *shash_tfm; }; static void cc_cipher_complete(struct device *dev, void *cc_req, int err); -static inline bool cc_is_hw_key(struct crypto_tfm *tfm) +static inline enum cc_key_type cc_key_type(struct crypto_tfm *tfm) { struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); - return ctx_p->hw_key; + return ctx_p->key_type; } static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) @@ -232,7 +247,7 @@ struct tdes_keys { u8 key3[DES_KEY_SIZE]; }; -static enum cc_hw_crypto_key cc_slot_to_hw_key(int slot_num) +static enum cc_hw_crypto_key cc_slot_to_hw_key(u8 slot_num) { switch (slot_num) { case 0: @@ -247,6 +262,22 @@ static enum cc_hw_crypto_key cc_slot_to_hw_key(int slot_num) return END_OF_KEYS; } +static u8 cc_slot_to_cpp_key(u8 slot_num) +{ + return (slot_num - CC_FIRST_CPP_KEY_SLOT); +} + +static inline enum cc_key_type cc_slot_to_key_type(u8 slot_num) +{ + if (slot_num >= CC_FIRST_HW_KEY_SLOT && slot_num <= CC_LAST_HW_KEY_SLOT) + return CC_HW_PROTECTED_KEY; + else if (slot_num >= CC_FIRST_CPP_KEY_SLOT && + slot_num <= CC_LAST_CPP_KEY_SLOT) + return CC_POLICY_PROTECTED_KEY; + else + return CC_INVALID_PROTECTED_KEY; +} + static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, unsigned int keylen) { @@ -261,18 +292,13 @@ static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, /* STAT_PHASE_0: Init and sanity checks */ - /* This check the size of the hardware key token */ + /* This check the size of the protected key token */ if (keylen != sizeof(hki)) { - dev_err(dev, "Unsupported HW key size %d.\n", keylen); + dev_err(dev, "Unsupported protected key size %d.\n", keylen); crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } - if (ctx_p->flow_mode != S_DIN_to_AES) { - dev_err(dev, "HW key not supported for non-AES flows\n"); - return -EINVAL; - } - memcpy(&hki, key, keylen); /* The real key len for crypto op is the size of the HW key @@ -286,31 +312,70 @@ static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, return -EINVAL; } - ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); - if (ctx_p->hw.key1_slot == END_OF_KEYS) { - dev_err(dev, "Unsupported hw key1 number (%d)\n", hki.hw_key1); - return -EINVAL; - } + ctx_p->keylen = keylen; - if (ctx_p->cipher_mode == DRV_CIPHER_XTS || - ctx_p->cipher_mode == DRV_CIPHER_ESSIV || - ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { - if (hki.hw_key1 == hki.hw_key2) { - dev_err(dev, "Illegal hw key numbers (%d,%d)\n", - hki.hw_key1, hki.hw_key2); + switch (cc_slot_to_key_type(hki.hw_key1)) { + case CC_HW_PROTECTED_KEY: + if (ctx_p->flow_mode == S_DIN_to_SM4) { + dev_err(dev, "Only AES HW protected keys are supported\n"); return -EINVAL; } - ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); - if (ctx_p->hw.key2_slot == END_OF_KEYS) { - dev_err(dev, "Unsupported hw key2 number (%d)\n", - hki.hw_key2); + + ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); + if (ctx_p->hw.key1_slot == END_OF_KEYS) { + dev_err(dev, "Unsupported hw key1 number (%d)\n", + hki.hw_key1); return -EINVAL; } - } - ctx_p->keylen = keylen; - ctx_p->hw_key = true; - dev_dbg(dev, "cc_is_hw_key ret 0"); + if (ctx_p->cipher_mode == DRV_CIPHER_XTS || + ctx_p->cipher_mode == DRV_CIPHER_ESSIV || + ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { + if (hki.hw_key1 == hki.hw_key2) { + dev_err(dev, "Illegal hw key numbers (%d,%d)\n", + hki.hw_key1, hki.hw_key2); + return -EINVAL; + } + + ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); + if (ctx_p->hw.key2_slot == END_OF_KEYS) { + dev_err(dev, "Unsupported hw key2 number (%d)\n", + hki.hw_key2); + return -EINVAL; + } + } + + ctx_p->key_type = CC_HW_PROTECTED_KEY; + dev_dbg(dev, "HW protected key %d/%d set\n.", + ctx_p->hw.key1_slot, ctx_p->hw.key2_slot); + break; + + case CC_POLICY_PROTECTED_KEY: + if (ctx_p->drvdata->hw_rev < CC_HW_REV_713) { + dev_err(dev, "CPP keys not supported in this hardware revision.\n"); + return -EINVAL; + } + + if (ctx_p->cipher_mode != DRV_CIPHER_CBC && + ctx_p->cipher_mode != DRV_CIPHER_CTR) { + dev_err(dev, "CPP keys only supported in CBC or CTR modes.\n"); + return -EINVAL; + } + + ctx_p->cpp.slot = cc_slot_to_cpp_key(hki.hw_key1); + if (ctx_p->flow_mode == S_DIN_to_AES) + ctx_p->cpp.alg = CC_CPP_AES; + else /* Must be SM4 since due to sethkey registration */ + ctx_p->cpp.alg = CC_CPP_SM4; + ctx_p->key_type = CC_POLICY_PROTECTED_KEY; + dev_dbg(dev, "policy protected key alg: %d slot: %d.\n", + ctx_p->cpp.alg, ctx_p->cpp.slot); + break; + + default: + dev_err(dev, "Unsupported protected key (%d)\n", hki.hw_key1); + return -EINVAL; + } return 0; } @@ -321,7 +386,6 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); struct device *dev = drvdata_to_dev(ctx_p->drvdata); - u32 tmp[DES3_EDE_EXPKEY_WORDS]; struct cc_crypto_alg *cc_alg = container_of(tfm->__crt_alg, struct cc_crypto_alg, skcipher_alg.base); @@ -339,7 +403,7 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, return -EINVAL; } - ctx_p->hw_key = false; + ctx_p->key_type = CC_UNPROTECTED_KEY; /* * Verify DES weak keys @@ -347,6 +411,7 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, * HW does the expansion on its own. */ if (ctx_p->flow_mode == S_DIN_to_DES) { + u32 tmp[DES3_EDE_EXPKEY_WORDS]; if (keylen == DES3_EDE_KEY_SIZE && __des3_ede_setkey(tmp, &tfm->crt_flags, key, DES3_EDE_KEY_SIZE)) { @@ -399,7 +464,77 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, return 0; } -static void cc_setup_cipher_desc(struct crypto_tfm *tfm, +static int cc_out_setup_mode(struct cc_cipher_ctx *ctx_p) +{ + switch (ctx_p->flow_mode) { + case S_DIN_to_AES: + return S_AES_to_DOUT; + case S_DIN_to_DES: + return S_DES_to_DOUT; + case S_DIN_to_SM4: + return S_SM4_to_DOUT; + default: + return ctx_p->flow_mode; + } +} + +static void cc_setup_readiv_desc(struct crypto_tfm *tfm, + struct cipher_req_ctx *req_ctx, + unsigned int ivsize, struct cc_hw_desc desc[], + unsigned int *seq_size) +{ + struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); + int cipher_mode = ctx_p->cipher_mode; + int flow_mode = cc_out_setup_mode(ctx_p); + int direction = req_ctx->gen_ctx.op_type; + dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; + + if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) + return; + + switch (cipher_mode) { + case DRV_CIPHER_ECB: + break; + case DRV_CIPHER_CBC: + case DRV_CIPHER_CBC_CTS: + case DRV_CIPHER_CTR: + case DRV_CIPHER_OFB: + /* Read next IV */ + hw_desc_init(&desc[*seq_size]); + set_dout_dlli(&desc[*seq_size], iv_dma_addr, ivsize, NS_BIT, 1); + set_cipher_config0(&desc[*seq_size], direction); + set_flow_mode(&desc[*seq_size], flow_mode); + set_cipher_mode(&desc[*seq_size], cipher_mode); + if (cipher_mode == DRV_CIPHER_CTR || + cipher_mode == DRV_CIPHER_OFB) { + set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); + } else { + set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE0); + } + set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); + (*seq_size)++; + break; + case DRV_CIPHER_XTS: + case DRV_CIPHER_ESSIV: + case DRV_CIPHER_BITLOCKER: + /* IV */ + hw_desc_init(&desc[*seq_size]); + set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); + set_cipher_mode(&desc[*seq_size], cipher_mode); + set_cipher_config0(&desc[*seq_size], direction); + set_flow_mode(&desc[*seq_size], flow_mode); + set_dout_dlli(&desc[*seq_size], iv_dma_addr, CC_AES_BLOCK_SIZE, + NS_BIT, 1); + set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); + (*seq_size)++; + break; + default: + dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); + } +} + +static void cc_setup_state_desc(struct crypto_tfm *tfm, struct cipher_req_ctx *req_ctx, unsigned int ivsize, unsigned int nbytes, struct cc_hw_desc desc[], @@ -423,11 +558,13 @@ static void cc_setup_cipher_desc(struct crypto_tfm *tfm, du_size = cc_alg->data_unit; switch (cipher_mode) { + case DRV_CIPHER_ECB: + break; case DRV_CIPHER_CBC: case DRV_CIPHER_CBC_CTS: case DRV_CIPHER_CTR: case DRV_CIPHER_OFB: - /* Load cipher state */ + /* Load IV */ hw_desc_init(&desc[*seq_size]); set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, NS_BIT); @@ -441,57 +578,15 @@ static void cc_setup_cipher_desc(struct crypto_tfm *tfm, set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); } (*seq_size)++; - /*FALLTHROUGH*/ - case DRV_CIPHER_ECB: - /* Load key */ - hw_desc_init(&desc[*seq_size]); - set_cipher_mode(&desc[*seq_size], cipher_mode); - set_cipher_config0(&desc[*seq_size], direction); - if (flow_mode == S_DIN_to_AES) { - if (cc_is_hw_key(tfm)) { - set_hw_crypto_key(&desc[*seq_size], - ctx_p->hw.key1_slot); - } else { - set_din_type(&desc[*seq_size], DMA_DLLI, - key_dma_addr, ((key_len == 24) ? - AES_MAX_KEY_SIZE : - key_len), NS_BIT); - } - set_key_size_aes(&desc[*seq_size], key_len); - } else { - /*des*/ - set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, - key_len, NS_BIT); - set_key_size_des(&desc[*seq_size], key_len); - } - set_flow_mode(&desc[*seq_size], flow_mode); - set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); - (*seq_size)++; break; case DRV_CIPHER_XTS: case DRV_CIPHER_ESSIV: case DRV_CIPHER_BITLOCKER: - /* Load AES key */ - hw_desc_init(&desc[*seq_size]); - set_cipher_mode(&desc[*seq_size], cipher_mode); - set_cipher_config0(&desc[*seq_size], direction); - if (cc_is_hw_key(tfm)) { - set_hw_crypto_key(&desc[*seq_size], - ctx_p->hw.key1_slot); - } else { - set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, - (key_len / 2), NS_BIT); - } - set_key_size_aes(&desc[*seq_size], (key_len / 2)); - set_flow_mode(&desc[*seq_size], flow_mode); - set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); - (*seq_size)++; - /* load XEX key */ hw_desc_init(&desc[*seq_size]); set_cipher_mode(&desc[*seq_size], cipher_mode); set_cipher_config0(&desc[*seq_size], direction); - if (cc_is_hw_key(tfm)) { + if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { set_hw_crypto_key(&desc[*seq_size], ctx_p->hw.key2_slot); } else { @@ -505,7 +600,7 @@ static void cc_setup_cipher_desc(struct crypto_tfm *tfm, set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); (*seq_size)++; - /* Set state */ + /* Load IV */ hw_desc_init(&desc[*seq_size]); set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); set_cipher_mode(&desc[*seq_size], cipher_mode); @@ -521,48 +616,113 @@ static void cc_setup_cipher_desc(struct crypto_tfm *tfm, } } -static void cc_setup_cipher_data(struct crypto_tfm *tfm, - struct cipher_req_ctx *req_ctx, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes, - void *areq, struct cc_hw_desc desc[], - unsigned int *seq_size) +static int cc_out_flow_mode(struct cc_cipher_ctx *ctx_p) { - struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); - struct device *dev = drvdata_to_dev(ctx_p->drvdata); - unsigned int flow_mode = ctx_p->flow_mode; - switch (ctx_p->flow_mode) { case S_DIN_to_AES: - flow_mode = DIN_AES_DOUT; - break; + return DIN_AES_DOUT; case S_DIN_to_DES: - flow_mode = DIN_DES_DOUT; - break; + return DIN_DES_DOUT; case S_DIN_to_SM4: - flow_mode = DIN_SM4_DOUT; - break; + return DIN_SM4_DOUT; default: - dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); - return; + return ctx_p->flow_mode; } - /* Process */ - if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { - dev_dbg(dev, " data params addr %pad length 0x%X\n", - &sg_dma_address(src), nbytes); - dev_dbg(dev, " data params addr %pad length 0x%X\n", - &sg_dma_address(dst), nbytes); +} + +static void cc_setup_key_desc(struct crypto_tfm *tfm, + struct cipher_req_ctx *req_ctx, + unsigned int nbytes, struct cc_hw_desc desc[], + unsigned int *seq_size) +{ + struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); + int cipher_mode = ctx_p->cipher_mode; + int flow_mode = ctx_p->flow_mode; + int direction = req_ctx->gen_ctx.op_type; + dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; + unsigned int key_len = ctx_p->keylen; + unsigned int din_size; + + switch (cipher_mode) { + case DRV_CIPHER_CBC: + case DRV_CIPHER_CBC_CTS: + case DRV_CIPHER_CTR: + case DRV_CIPHER_OFB: + case DRV_CIPHER_ECB: + /* Load key */ hw_desc_init(&desc[*seq_size]); - set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), - nbytes, NS_BIT); - set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), - nbytes, NS_BIT, (!areq ? 0 : 1)); - if (areq) - set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); + set_cipher_mode(&desc[*seq_size], cipher_mode); + set_cipher_config0(&desc[*seq_size], direction); + if (cc_key_type(tfm) == CC_POLICY_PROTECTED_KEY) { + /* We use the AES key size coding for all CPP algs */ + set_key_size_aes(&desc[*seq_size], key_len); + set_cpp_crypto_key(&desc[*seq_size], ctx_p->cpp.slot); + flow_mode = cc_out_flow_mode(ctx_p); + } else { + if (flow_mode == S_DIN_to_AES) { + if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { + set_hw_crypto_key(&desc[*seq_size], + ctx_p->hw.key1_slot); + } else { + /* CC_POLICY_UNPROTECTED_KEY + * Invalid keys are filtered out in + * sethkey() + */ + din_size = (key_len == 24) ? + AES_MAX_KEY_SIZE : key_len; + + set_din_type(&desc[*seq_size], DMA_DLLI, + key_dma_addr, din_size, + NS_BIT); + } + set_key_size_aes(&desc[*seq_size], key_len); + } else { + /*des*/ + set_din_type(&desc[*seq_size], DMA_DLLI, + key_dma_addr, key_len, NS_BIT); + set_key_size_des(&desc[*seq_size], key_len); + } + set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); + } set_flow_mode(&desc[*seq_size], flow_mode); (*seq_size)++; - } else { + break; + case DRV_CIPHER_XTS: + case DRV_CIPHER_ESSIV: + case DRV_CIPHER_BITLOCKER: + /* Load AES key */ + hw_desc_init(&desc[*seq_size]); + set_cipher_mode(&desc[*seq_size], cipher_mode); + set_cipher_config0(&desc[*seq_size], direction); + if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { + set_hw_crypto_key(&desc[*seq_size], + ctx_p->hw.key1_slot); + } else { + set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, + (key_len / 2), NS_BIT); + } + set_key_size_aes(&desc[*seq_size], (key_len / 2)); + set_flow_mode(&desc[*seq_size], flow_mode); + set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); + (*seq_size)++; + break; + default: + dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); + } +} + +static void cc_setup_mlli_desc(struct crypto_tfm *tfm, + struct cipher_req_ctx *req_ctx, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes, void *areq, + struct cc_hw_desc desc[], unsigned int *seq_size) +{ + struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); + + if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) { /* bypass */ dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", &req_ctx->mlli_params.mlli_dma_addr, @@ -577,7 +737,38 @@ static void cc_setup_cipher_data(struct crypto_tfm *tfm, req_ctx->mlli_params.mlli_len); set_flow_mode(&desc[*seq_size], BYPASS); (*seq_size)++; + } +} + +static void cc_setup_flow_desc(struct crypto_tfm *tfm, + struct cipher_req_ctx *req_ctx, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes, struct cc_hw_desc desc[], + unsigned int *seq_size) +{ + struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); + unsigned int flow_mode = cc_out_flow_mode(ctx_p); + bool last_desc = (ctx_p->key_type == CC_POLICY_PROTECTED_KEY || + ctx_p->cipher_mode == DRV_CIPHER_ECB); + /* Process */ + if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { + dev_dbg(dev, " data params addr %pad length 0x%X\n", + &sg_dma_address(src), nbytes); + dev_dbg(dev, " data params addr %pad length 0x%X\n", + &sg_dma_address(dst), nbytes); + hw_desc_init(&desc[*seq_size]); + set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), + nbytes, NS_BIT); + set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), + nbytes, NS_BIT, (!last_desc ? 0 : 1)); + if (last_desc) + set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); + + set_flow_mode(&desc[*seq_size], flow_mode); + (*seq_size)++; + } else { hw_desc_init(&desc[*seq_size]); set_din_type(&desc[*seq_size], DMA_MLLI, ctx_p->drvdata->mlli_sram_addr, @@ -589,7 +780,7 @@ static void cc_setup_cipher_data(struct crypto_tfm *tfm, set_dout_mlli(&desc[*seq_size], ctx_p->drvdata->mlli_sram_addr, req_ctx->in_mlli_nents, NS_BIT, - (!areq ? 0 : 1)); + (!last_desc ? 0 : 1)); } else { dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", (unsigned int)ctx_p->drvdata->mlli_sram_addr, @@ -600,9 +791,9 @@ static void cc_setup_cipher_data(struct crypto_tfm *tfm, (LLI_ENTRY_BYTE_SIZE * req_ctx->in_mlli_nents)), req_ctx->out_mlli_nents, NS_BIT, - (!areq ? 0 : 1)); + (!last_desc ? 0 : 1)); } - if (areq) + if (last_desc) set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); set_flow_mode(&desc[*seq_size], flow_mode); @@ -610,38 +801,6 @@ static void cc_setup_cipher_data(struct crypto_tfm *tfm, } } -/* - * Update a CTR-AES 128 bit counter - */ -static void cc_update_ctr(u8 *ctr, unsigned int increment) -{ - if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || - IS_ALIGNED((unsigned long)ctr, 8)) { - - __be64 *high_be = (__be64 *)ctr; - __be64 *low_be = high_be + 1; - u64 orig_low = __be64_to_cpu(*low_be); - u64 new_low = orig_low + (u64)increment; - - *low_be = __cpu_to_be64(new_low); - - if (new_low < orig_low) - *high_be = __cpu_to_be64(__be64_to_cpu(*high_be) + 1); - } else { - u8 *pos = (ctr + AES_BLOCK_SIZE); - u8 val; - unsigned int size; - - for (; increment; increment--) - for (size = AES_BLOCK_SIZE; size; size--) { - val = *--pos + 1; - *pos = val; - if (val) - break; - } - } -} - static void cc_cipher_complete(struct device *dev, void *cc_req, int err) { struct skcipher_request *req = (struct skcipher_request *)cc_req; @@ -649,44 +808,15 @@ static void cc_cipher_complete(struct device *dev, void *cc_req, int err) struct scatterlist *src = req->src; struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); - struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); - struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); - unsigned int len; - cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); - - switch (ctx_p->cipher_mode) { - case DRV_CIPHER_CBC: - /* - * The crypto API expects us to set the req->iv to the last - * ciphertext block. For encrypt, simply copy from the result. - * For decrypt, we must copy from a saved buffer since this - * could be an in-place decryption operation and the src is - * lost by this point. - */ - if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { - memcpy(req->iv, req_ctx->backup_info, ivsize); - kzfree(req_ctx->backup_info); - } else if (!err) { - len = req->cryptlen - ivsize; - scatterwalk_map_and_copy(req->iv, req->dst, len, - ivsize, 0); - } - break; - - case DRV_CIPHER_CTR: - /* Compute the counter of the last block */ - len = ALIGN(req->cryptlen, AES_BLOCK_SIZE) / AES_BLOCK_SIZE; - cc_update_ctr((u8 *)req->iv, len); - break; - - default: - break; + if (err != -EINPROGRESS) { + /* Not a BACKLOG notification */ + cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); + memcpy(req->iv, req_ctx->iv, ivsize); + kzfree(req_ctx->iv); } - kzfree(req_ctx->iv); - skcipher_request_complete(req, err); } @@ -741,6 +871,13 @@ static int cc_cipher_process(struct skcipher_request *req, cc_req.user_cb = (void *)cc_cipher_complete; cc_req.user_arg = (void *)req; + /* Setup CPP operation details */ + if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) { + cc_req.cpp.is_cpp = true; + cc_req.cpp.alg = ctx_p->cpp.alg; + cc_req.cpp.slot = ctx_p->cpp.slot; + } + /* Setup request context */ req_ctx->gen_ctx.op_type = direction; @@ -755,11 +892,16 @@ static int cc_cipher_process(struct skcipher_request *req, /* STAT_PHASE_2: Create sequence */ - /* Setup processing */ - cc_setup_cipher_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); + /* Setup IV and XEX key used */ + cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); + /* Setup MLLI line, if needed */ + cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); + /* Setup key */ + cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len); /* Data processing */ - cc_setup_cipher_data(tfm, req_ctx, dst, src, nbytes, req, desc, - &seq_len); + cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, desc, &seq_len); + /* Read next IV */ + cc_setup_readiv_desc(tfm, req_ctx, ivsize, desc, &seq_len); /* STAT_PHASE_3: Lock HW and push sequence */ @@ -774,7 +916,6 @@ static int cc_cipher_process(struct skcipher_request *req, exit_process: if (rc != -EINPROGRESS && rc != -EBUSY) { - kzfree(req_ctx->backup_info); kzfree(req_ctx->iv); } @@ -792,31 +933,10 @@ static int cc_cipher_encrypt(struct skcipher_request *req) static int cc_cipher_decrypt(struct skcipher_request *req) { - struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); - struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); - struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); - unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); - gfp_t flags = cc_gfp_flags(&req->base); - unsigned int len; memset(req_ctx, 0, sizeof(*req_ctx)); - if ((ctx_p->cipher_mode == DRV_CIPHER_CBC) && - (req->cryptlen >= ivsize)) { - - /* Allocate and save the last IV sized bytes of the source, - * which will be lost in case of in-place decryption. - */ - req_ctx->backup_info = kzalloc(ivsize, flags); - if (!req_ctx->backup_info) - return -ENOMEM; - - len = req->cryptlen - ivsize; - scatterwalk_map_and_copy(req_ctx->backup_info, req->src, len, - ivsize, 0); - } - return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); } @@ -838,6 +958,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_630, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "xts512(paes)", @@ -856,6 +977,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 512, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "xts4096(paes)", @@ -874,6 +996,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 4096, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "essiv(paes)", @@ -891,6 +1014,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "essiv512(paes)", @@ -909,6 +1033,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 512, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "essiv4096(paes)", @@ -927,6 +1052,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 4096, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "bitlocker(paes)", @@ -944,6 +1070,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "bitlocker512(paes)", @@ -962,6 +1089,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 512, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "bitlocker4096(paes)", @@ -980,6 +1108,7 @@ static const struct cc_alg_template skcipher_algs[] = { .data_unit = 4096, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "ecb(paes)", @@ -997,6 +1126,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "cbc(paes)", @@ -1014,6 +1144,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "ofb(paes)", @@ -1031,6 +1162,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "cts(cbc(paes))", @@ -1048,6 +1180,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "ctr(paes)", @@ -1065,6 +1198,7 @@ static const struct cc_alg_template skcipher_algs[] = { .flow_mode = S_DIN_to_AES, .min_hw_rev = CC_HW_REV_712, .std_body = CC_STD_NIST, + .sec_func = true, }, { .name = "xts(aes)", @@ -1429,6 +1563,42 @@ static const struct cc_alg_template skcipher_algs[] = { .min_hw_rev = CC_HW_REV_713, .std_body = CC_STD_OSCCA, }, + { + .name = "cbc(psm4)", + .driver_name = "cbc-psm4-ccree", + .blocksize = SM4_BLOCK_SIZE, + .template_skcipher = { + .setkey = cc_cipher_sethkey, + .encrypt = cc_cipher_encrypt, + .decrypt = cc_cipher_decrypt, + .min_keysize = CC_HW_KEY_SIZE, + .max_keysize = CC_HW_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + }, + .cipher_mode = DRV_CIPHER_CBC, + .flow_mode = S_DIN_to_SM4, + .min_hw_rev = CC_HW_REV_713, + .std_body = CC_STD_OSCCA, + .sec_func = true, + }, + { + .name = "ctr(psm4)", + .driver_name = "ctr-psm4-ccree", + .blocksize = SM4_BLOCK_SIZE, + .template_skcipher = { + .setkey = cc_cipher_sethkey, + .encrypt = cc_cipher_encrypt, + .decrypt = cc_cipher_decrypt, + .min_keysize = CC_HW_KEY_SIZE, + .max_keysize = CC_HW_KEY_SIZE, + .ivsize = SM4_BLOCK_SIZE, + }, + .cipher_mode = DRV_CIPHER_CTR, + .flow_mode = S_DIN_to_SM4, + .min_hw_rev = CC_HW_REV_713, + .std_body = CC_STD_OSCCA, + .sec_func = true, + }, }; static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, @@ -1504,7 +1674,8 @@ int cc_cipher_alloc(struct cc_drvdata *drvdata) ARRAY_SIZE(skcipher_algs)); for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) || - !(drvdata->std_bodies & skcipher_algs[alg].std_body)) + !(drvdata->std_bodies & skcipher_algs[alg].std_body) || + (drvdata->sec_disabled && skcipher_algs[alg].sec_func)) continue; dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); diff --git a/drivers/crypto/ccree/cc_cipher.h b/drivers/crypto/ccree/cc_cipher.h index 4dbc0a1e6d5c..da3a38707fae 100644 --- a/drivers/crypto/ccree/cc_cipher.h +++ b/drivers/crypto/ccree/cc_cipher.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_cipher.h * ARM CryptoCell Cipher Crypto API @@ -20,7 +20,6 @@ struct cipher_req_ctx { u32 in_mlli_nents; u32 out_nents; u32 out_mlli_nents; - u8 *backup_info; /*store iv for generated IV flow*/ u8 *iv; struct mlli_params mlli_params; }; diff --git a/drivers/crypto/ccree/cc_crypto_ctx.h b/drivers/crypto/ccree/cc_crypto_ctx.h index c8dac273c563..ccf960a0d989 100644 --- a/drivers/crypto/ccree/cc_crypto_ctx.h +++ b/drivers/crypto/ccree/cc_crypto_ctx.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef _CC_CRYPTO_CTX_H_ #define _CC_CRYPTO_CTX_H_ @@ -55,6 +55,14 @@ #define CC_DRV_ALG_MAX_BLOCK_SIZE CC_HASH_BLOCK_SIZE_MAX +#define CC_CPP_NUM_SLOTS 8 +#define CC_CPP_NUM_ALGS 2 + +enum cc_cpp_alg { + CC_CPP_SM4 = 1, + CC_CPP_AES = 0 +}; + enum drv_engine_type { DRV_ENGINE_NULL = 0, DRV_ENGINE_AES = 1, diff --git a/drivers/crypto/ccree/cc_debugfs.c b/drivers/crypto/ccree/cc_debugfs.c index 5fa05a7bcf36..566999738698 100644 --- a/drivers/crypto/ccree/cc_debugfs.c +++ b/drivers/crypto/ccree/cc_debugfs.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */ #include <linux/kernel.h> #include <linux/debugfs.h> @@ -25,9 +25,24 @@ struct cc_debugfs_ctx { */ static struct dentry *cc_debugfs_dir; -static struct debugfs_reg32 debug_regs[] = { +static struct debugfs_reg32 ver_sig_regs[] = { { .name = "SIGNATURE" }, /* Must be 0th */ { .name = "VERSION" }, /* Must be 1st */ +}; + +static struct debugfs_reg32 pid_cid_regs[] = { + CC_DEBUG_REG(PERIPHERAL_ID_0), + CC_DEBUG_REG(PERIPHERAL_ID_1), + CC_DEBUG_REG(PERIPHERAL_ID_2), + CC_DEBUG_REG(PERIPHERAL_ID_3), + CC_DEBUG_REG(PERIPHERAL_ID_4), + CC_DEBUG_REG(COMPONENT_ID_0), + CC_DEBUG_REG(COMPONENT_ID_1), + CC_DEBUG_REG(COMPONENT_ID_2), + CC_DEBUG_REG(COMPONENT_ID_3), +}; + +static struct debugfs_reg32 debug_regs[] = { CC_DEBUG_REG(HOST_IRR), CC_DEBUG_REG(HOST_POWER_DOWN_EN), CC_DEBUG_REG(AXIM_MON_ERR), @@ -53,10 +68,7 @@ int cc_debugfs_init(struct cc_drvdata *drvdata) { struct device *dev = drvdata_to_dev(drvdata); struct cc_debugfs_ctx *ctx; - struct debugfs_regset32 *regset; - - debug_regs[0].offset = drvdata->sig_offset; - debug_regs[1].offset = drvdata->ver_offset; + struct debugfs_regset32 *regset, *verset; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -75,8 +87,26 @@ int cc_debugfs_init(struct cc_drvdata *drvdata) debugfs_create_regset32("regs", 0400, ctx->dir, regset); debugfs_create_bool("coherent", 0400, ctx->dir, &drvdata->coherent); - drvdata->debugfs = ctx; + verset = devm_kzalloc(dev, sizeof(*verset), GFP_KERNEL); + /* Failing here is not important enough to fail the module load */ + if (!verset) + goto out; + + if (drvdata->hw_rev <= CC_HW_REV_712) { + ver_sig_regs[0].offset = drvdata->sig_offset; + ver_sig_regs[1].offset = drvdata->ver_offset; + verset->regs = ver_sig_regs; + verset->nregs = ARRAY_SIZE(ver_sig_regs); + } else { + verset->regs = pid_cid_regs; + verset->nregs = ARRAY_SIZE(pid_cid_regs); + } + verset->base = drvdata->cc_base; + debugfs_create_regset32("version", 0400, ctx->dir, verset); + +out: + drvdata->debugfs = ctx; return 0; } diff --git a/drivers/crypto/ccree/cc_debugfs.h b/drivers/crypto/ccree/cc_debugfs.h index 01cbd9a95659..664ff402e0e9 100644 --- a/drivers/crypto/ccree/cc_debugfs.h +++ b/drivers/crypto/ccree/cc_debugfs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_DEBUGFS_H__ #define __CC_DEBUGFS_H__ diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index 3bcc6c76e090..86ac7b443355 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */ #include <linux/kernel.h> #include <linux/module.h> @@ -30,27 +30,47 @@ bool cc_dump_desc; module_param_named(dump_desc, cc_dump_desc, bool, 0600); MODULE_PARM_DESC(cc_dump_desc, "Dump descriptors to kernel log as debugging aid"); - bool cc_dump_bytes; module_param_named(dump_bytes, cc_dump_bytes, bool, 0600); MODULE_PARM_DESC(cc_dump_bytes, "Dump buffers to kernel log as debugging aid"); +static bool cc_sec_disable; +module_param_named(sec_disable, cc_sec_disable, bool, 0600); +MODULE_PARM_DESC(cc_sec_disable, "Disable security functions"); + struct cc_hw_data { char *name; enum cc_hw_rev rev; u32 sig; + u32 cidr_0123; + u32 pidr_0124; int std_bodies; }; +#define CC_NUM_IDRS 4 + +/* Note: PIDR3 holds CMOD/Rev so ignored for HW identification purposes */ +static const u32 pidr_0124_offsets[CC_NUM_IDRS] = { + CC_REG(PERIPHERAL_ID_0), CC_REG(PERIPHERAL_ID_1), + CC_REG(PERIPHERAL_ID_2), CC_REG(PERIPHERAL_ID_4) +}; + +static const u32 cidr_0123_offsets[CC_NUM_IDRS] = { + CC_REG(COMPONENT_ID_0), CC_REG(COMPONENT_ID_1), + CC_REG(COMPONENT_ID_2), CC_REG(COMPONENT_ID_3) +}; + /* Hardware revisions defs. */ /* The 703 is a OSCCA only variant of the 713 */ static const struct cc_hw_data cc703_hw = { - .name = "703", .rev = CC_HW_REV_713, .std_bodies = CC_STD_OSCCA + .name = "703", .rev = CC_HW_REV_713, .cidr_0123 = 0xB105F00DU, + .pidr_0124 = 0x040BB0D0U, .std_bodies = CC_STD_OSCCA }; static const struct cc_hw_data cc713_hw = { - .name = "713", .rev = CC_HW_REV_713, .std_bodies = CC_STD_ALL + .name = "713", .rev = CC_HW_REV_713, .cidr_0123 = 0xB105F00DU, + .pidr_0124 = 0x040BB0D0U, .std_bodies = CC_STD_ALL }; static const struct cc_hw_data cc712_hw = { @@ -78,6 +98,20 @@ static const struct of_device_id arm_ccree_dev_of_match[] = { }; MODULE_DEVICE_TABLE(of, arm_ccree_dev_of_match); +static u32 cc_read_idr(struct cc_drvdata *drvdata, const u32 *idr_offsets) +{ + int i; + union { + u8 regs[CC_NUM_IDRS]; + __le32 val; + } idr; + + for (i = 0; i < CC_NUM_IDRS; ++i) + idr.regs[i] = cc_ioread(drvdata, idr_offsets[i]); + + return le32_to_cpu(idr.val); +} + void __dump_byte_array(const char *name, const u8 *buf, size_t len) { char prefix[64]; @@ -114,12 +148,12 @@ static irqreturn_t cc_isr(int irq, void *dev_id) drvdata->irq = irr; /* Completion interrupt - most probable */ - if (irr & CC_COMP_IRQ_MASK) { - /* Mask AXI completion interrupt - will be unmasked in - * Deferred service handler + if (irr & drvdata->comp_mask) { + /* Mask all completion interrupts - will be unmasked in + * deferred service handler */ - cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | CC_COMP_IRQ_MASK); - irr &= ~CC_COMP_IRQ_MASK; + cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | drvdata->comp_mask); + irr &= ~drvdata->comp_mask; complete_request(drvdata); } #ifdef CONFIG_CRYPTO_FIPS @@ -159,11 +193,14 @@ int init_cc_regs(struct cc_drvdata *drvdata, bool is_probe) unsigned int val, cache_params; struct device *dev = drvdata_to_dev(drvdata); - /* Unmask all AXI interrupt sources AXI_CFG1 register */ - val = cc_ioread(drvdata, CC_REG(AXIM_CFG)); - cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~CC_AXI_IRQ_MASK); - dev_dbg(dev, "AXIM_CFG=0x%08X\n", - cc_ioread(drvdata, CC_REG(AXIM_CFG))); + /* Unmask all AXI interrupt sources AXI_CFG1 register */ + /* AXI interrupt config are obsoleted startign at cc7x3 */ + if (drvdata->hw_rev <= CC_HW_REV_712) { + val = cc_ioread(drvdata, CC_REG(AXIM_CFG)); + cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~CC_AXI_IRQ_MASK); + dev_dbg(dev, "AXIM_CFG=0x%08X\n", + cc_ioread(drvdata, CC_REG(AXIM_CFG))); + } /* Clear all pending interrupts */ val = cc_ioread(drvdata, CC_REG(HOST_IRR)); @@ -171,7 +208,7 @@ int init_cc_regs(struct cc_drvdata *drvdata, bool is_probe) cc_iowrite(drvdata, CC_REG(HOST_ICR), val); /* Unmask relevant interrupt cause */ - val = CC_COMP_IRQ_MASK | CC_AXI_ERR_IRQ_MASK; + val = drvdata->comp_mask | CC_AXI_ERR_IRQ_MASK; if (drvdata->hw_rev >= CC_HW_REV_712) val |= CC_GPR0_IRQ_MASK; @@ -201,7 +238,7 @@ static int init_cc_resources(struct platform_device *plat_dev) struct cc_drvdata *new_drvdata; struct device *dev = &plat_dev->dev; struct device_node *np = dev->of_node; - u32 signature_val; + u32 val, hw_rev_pidr, sig_cidr; u64 dma_mask; const struct cc_hw_data *hw_rev; const struct of_device_id *dev_id; @@ -231,6 +268,8 @@ static int init_cc_resources(struct platform_device *plat_dev) new_drvdata->ver_offset = CC_REG(HOST_VERSION_630); } + new_drvdata->comp_mask = CC_COMP_IRQ_MASK; + platform_set_drvdata(plat_dev, new_drvdata); new_drvdata->plat_dev = plat_dev; @@ -311,22 +350,57 @@ static int init_cc_resources(struct platform_device *plat_dev) return rc; } + new_drvdata->sec_disabled = cc_sec_disable; + if (hw_rev->rev <= CC_HW_REV_712) { /* Verify correct mapping */ - signature_val = cc_ioread(new_drvdata, new_drvdata->sig_offset); - if (signature_val != hw_rev->sig) { + val = cc_ioread(new_drvdata, new_drvdata->sig_offset); + if (val != hw_rev->sig) { dev_err(dev, "Invalid CC signature: SIGNATURE=0x%08X != expected=0x%08X\n", - signature_val, hw_rev->sig); + val, hw_rev->sig); + rc = -EINVAL; + goto post_clk_err; + } + sig_cidr = val; + hw_rev_pidr = cc_ioread(new_drvdata, new_drvdata->ver_offset); + } else { + /* Verify correct mapping */ + val = cc_read_idr(new_drvdata, pidr_0124_offsets); + if (val != hw_rev->pidr_0124) { + dev_err(dev, "Invalid CC PIDR: PIDR0124=0x%08X != expected=0x%08X\n", + val, hw_rev->pidr_0124); + rc = -EINVAL; + goto post_clk_err; + } + hw_rev_pidr = val; + + val = cc_read_idr(new_drvdata, cidr_0123_offsets); + if (val != hw_rev->cidr_0123) { + dev_err(dev, "Invalid CC CIDR: CIDR0123=0x%08X != expected=0x%08X\n", + val, hw_rev->cidr_0123); rc = -EINVAL; goto post_clk_err; } - dev_dbg(dev, "CC SIGNATURE=0x%08X\n", signature_val); + sig_cidr = val; + + /* Check security disable state */ + val = cc_ioread(new_drvdata, CC_REG(SECURITY_DISABLED)); + val &= CC_SECURITY_DISABLED_MASK; + new_drvdata->sec_disabled |= !!val; + + if (!new_drvdata->sec_disabled) { + new_drvdata->comp_mask |= CC_CPP_SM4_ABORT_MASK; + if (new_drvdata->std_bodies & CC_STD_NIST) + new_drvdata->comp_mask |= CC_CPP_AES_ABORT_MASK; + } } + if (new_drvdata->sec_disabled) + dev_info(dev, "Security Disabled mode is in effect. Security functions disabled.\n"); + /* Display HW versions */ - dev_info(dev, "ARM CryptoCell %s Driver: HW version 0x%08X, Driver version %s\n", - hw_rev->name, cc_ioread(new_drvdata, new_drvdata->ver_offset), - DRV_MODULE_VERSION); + dev_info(dev, "ARM CryptoCell %s Driver: HW version 0x%08X/0x%8X, Driver version %s\n", + hw_rev->name, hw_rev_pidr, sig_cidr, DRV_MODULE_VERSION); rc = init_cc_regs(new_drvdata, true); if (rc) { diff --git a/drivers/crypto/ccree/cc_driver.h b/drivers/crypto/ccree/cc_driver.h index 33dbf3e6d15d..b76181335c08 100644 --- a/drivers/crypto/ccree/cc_driver.h +++ b/drivers/crypto/ccree/cc_driver.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_driver.h * ARM CryptoCell Linux Crypto Driver @@ -65,10 +65,32 @@ enum cc_std_body { #define CC_COMP_IRQ_MASK BIT(CC_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT) +#define CC_SECURITY_DISABLED_MASK BIT(CC_SECURITY_DISABLED_VALUE_BIT_SHIFT) + #define AXIM_MON_COMP_VALUE GENMASK(CC_AXIM_MON_COMP_VALUE_BIT_SIZE + \ CC_AXIM_MON_COMP_VALUE_BIT_SHIFT, \ CC_AXIM_MON_COMP_VALUE_BIT_SHIFT) +#define CC_CPP_AES_ABORT_MASK ( \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SHIFT)) + +#define CC_CPP_SM4_ABORT_MASK ( \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SHIFT) | \ + BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SHIFT)) + /* Register name mangling macro */ #define CC_REG(reg_name) CC_ ## reg_name ## _REG_OFFSET @@ -81,7 +103,6 @@ enum cc_std_body { #define MAX_REQUEST_QUEUE_SIZE 4096 #define MAX_MLLI_BUFF_SIZE 2080 -#define MAX_ICV_NENTS_SUPPORTED 2 /* Definitions for HW descriptors DIN/DOUT fields */ #define NS_BIT 1 @@ -90,6 +111,12 @@ enum cc_std_body { * field in the HW descriptor. The DMA engine +8 that value. */ +struct cc_cpp_req { + bool is_cpp; + enum cc_cpp_alg alg; + u8 slot; +}; + #define CC_MAX_IVGEN_DMA_ADDRESSES 3 struct cc_crypto_req { void (*user_cb)(struct device *dev, void *req, int err); @@ -104,6 +131,7 @@ struct cc_crypto_req { /* The generated IV size required, 8/16 B allowed. */ unsigned int ivgen_size; struct completion seq_compl; /* request completion */ + struct cc_cpp_req cpp; }; /** @@ -136,6 +164,8 @@ struct cc_drvdata { u32 sig_offset; u32 ver_offset; int std_bodies; + bool sec_disabled; + u32 comp_mask; }; struct cc_crypto_alg { @@ -162,12 +192,14 @@ struct cc_alg_template { int auth_mode; u32 min_hw_rev; enum cc_std_body std_body; + bool sec_func; unsigned int data_unit; struct cc_drvdata *drvdata; }; struct async_gen_req_ctx { dma_addr_t iv_dma_addr; + u8 *iv; enum drv_crypto_direction op_type; }; diff --git a/drivers/crypto/ccree/cc_fips.c b/drivers/crypto/ccree/cc_fips.c index b4d0a6d983e0..5ad3ffb7acaa 100644 --- a/drivers/crypto/ccree/cc_fips.c +++ b/drivers/crypto/ccree/cc_fips.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> #include <linux/fips.h> @@ -49,8 +49,6 @@ void cc_fips_fini(struct cc_drvdata *drvdata) /* Kill tasklet */ tasklet_kill(&fips_h->tasklet); - - kfree(fips_h); drvdata->fips_handle = NULL; } @@ -72,20 +70,28 @@ static inline void tee_fips_error(struct device *dev) dev_err(dev, "TEE reported error!\n"); } +/* + * This function check if cryptocell tee fips error occurred + * and in such case triggers system error + */ +void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata) +{ + struct device *dev = drvdata_to_dev(p_drvdata); + + if (!cc_get_tee_fips_status(p_drvdata)) + tee_fips_error(dev); +} + /* Deferred service handler, run as interrupt-fired tasklet */ static void fips_dsr(unsigned long devarg) { struct cc_drvdata *drvdata = (struct cc_drvdata *)devarg; - struct device *dev = drvdata_to_dev(drvdata); - u32 irq, state, val; + u32 irq, val; irq = (drvdata->irq & (CC_GPR0_IRQ_MASK)); if (irq) { - state = cc_ioread(drvdata, CC_REG(GPR_HOST)); - - if (state != (CC_FIPS_SYNC_TEE_STATUS | CC_FIPS_SYNC_MODULE_OK)) - tee_fips_error(dev); + cc_tee_handle_fips_error(drvdata); } /* after verifing that there is nothing to do, @@ -104,7 +110,7 @@ int cc_fips_init(struct cc_drvdata *p_drvdata) if (p_drvdata->hw_rev < CC_HW_REV_712) return 0; - fips_h = kzalloc(sizeof(*fips_h), GFP_KERNEL); + fips_h = devm_kzalloc(dev, sizeof(*fips_h), GFP_KERNEL); if (!fips_h) return -ENOMEM; @@ -113,8 +119,7 @@ int cc_fips_init(struct cc_drvdata *p_drvdata) dev_dbg(dev, "Initializing fips tasklet\n"); tasklet_init(&fips_h->tasklet, fips_dsr, (unsigned long)p_drvdata); - if (!cc_get_tee_fips_status(p_drvdata)) - tee_fips_error(dev); + cc_tee_handle_fips_error(p_drvdata); return 0; } diff --git a/drivers/crypto/ccree/cc_fips.h b/drivers/crypto/ccree/cc_fips.h index 645e096a7a82..fc33eeb4d566 100644 --- a/drivers/crypto/ccree/cc_fips.h +++ b/drivers/crypto/ccree/cc_fips.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_FIPS_H__ #define __CC_FIPS_H__ @@ -18,6 +18,7 @@ int cc_fips_init(struct cc_drvdata *p_drvdata); void cc_fips_fini(struct cc_drvdata *drvdata); void fips_handler(struct cc_drvdata *drvdata); void cc_set_ree_fips_status(struct cc_drvdata *drvdata, bool ok); +void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata); #else /* CONFIG_CRYPTO_FIPS */ @@ -30,6 +31,7 @@ static inline void cc_fips_fini(struct cc_drvdata *drvdata) {} static inline void cc_set_ree_fips_status(struct cc_drvdata *drvdata, bool ok) {} static inline void fips_handler(struct cc_drvdata *drvdata) {} +static inline void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata) {} #endif /* CONFIG_CRYPTO_FIPS */ diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index 2c4ddc8fb76b..a6abe4e3bb0e 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> #include <linux/module.h> @@ -69,6 +69,7 @@ struct cc_hash_alg { struct hash_key_req_ctx { u32 keylen; dma_addr_t key_dma_addr; + u8 *key; }; /* hash per-session context */ @@ -280,9 +281,13 @@ static void cc_update_complete(struct device *dev, void *cc_req, int err) dev_dbg(dev, "req=%pK\n", req); - cc_unmap_hash_request(dev, state, req->src, false); - cc_unmap_req(dev, state, ctx); - req->base.complete(&req->base, err); + if (err != -EINPROGRESS) { + /* Not a BACKLOG notification */ + cc_unmap_hash_request(dev, state, req->src, false); + cc_unmap_req(dev, state, ctx); + } + + ahash_request_complete(req, err); } static void cc_digest_complete(struct device *dev, void *cc_req, int err) @@ -295,10 +300,14 @@ static void cc_digest_complete(struct device *dev, void *cc_req, int err) dev_dbg(dev, "req=%pK\n", req); - cc_unmap_hash_request(dev, state, req->src, false); - cc_unmap_result(dev, state, digestsize, req->result); - cc_unmap_req(dev, state, ctx); - req->base.complete(&req->base, err); + if (err != -EINPROGRESS) { + /* Not a BACKLOG notification */ + cc_unmap_hash_request(dev, state, req->src, false); + cc_unmap_result(dev, state, digestsize, req->result); + cc_unmap_req(dev, state, ctx); + } + + ahash_request_complete(req, err); } static void cc_hash_complete(struct device *dev, void *cc_req, int err) @@ -311,10 +320,14 @@ static void cc_hash_complete(struct device *dev, void *cc_req, int err) dev_dbg(dev, "req=%pK\n", req); - cc_unmap_hash_request(dev, state, req->src, false); - cc_unmap_result(dev, state, digestsize, req->result); - cc_unmap_req(dev, state, ctx); - req->base.complete(&req->base, err); + if (err != -EINPROGRESS) { + /* Not a BACKLOG notification */ + cc_unmap_hash_request(dev, state, req->src, false); + cc_unmap_result(dev, state, digestsize, req->result); + cc_unmap_req(dev, state, ctx); + } + + ahash_request_complete(req, err); } static int cc_fin_result(struct cc_hw_desc *desc, struct ahash_request *req, @@ -730,13 +743,20 @@ static int cc_hash_setkey(struct crypto_ahash *ahash, const u8 *key, ctx->key_params.keylen = keylen; ctx->key_params.key_dma_addr = 0; ctx->is_hmac = true; + ctx->key_params.key = NULL; if (keylen) { + ctx->key_params.key = kmemdup(key, keylen, GFP_KERNEL); + if (!ctx->key_params.key) + return -ENOMEM; + ctx->key_params.key_dma_addr = - dma_map_single(dev, (void *)key, keylen, DMA_TO_DEVICE); + dma_map_single(dev, (void *)ctx->key_params.key, keylen, + DMA_TO_DEVICE); if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) { dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", - key, keylen); + ctx->key_params.key, keylen); + kzfree(ctx->key_params.key); return -ENOMEM; } dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n", @@ -887,6 +907,9 @@ out: dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", &ctx->key_params.key_dma_addr, ctx->key_params.keylen); } + + kzfree(ctx->key_params.key); + return rc; } @@ -913,11 +936,16 @@ static int cc_xcbc_setkey(struct crypto_ahash *ahash, ctx->key_params.keylen = keylen; + ctx->key_params.key = kmemdup(key, keylen, GFP_KERNEL); + if (!ctx->key_params.key) + return -ENOMEM; + ctx->key_params.key_dma_addr = - dma_map_single(dev, (void *)key, keylen, DMA_TO_DEVICE); + dma_map_single(dev, ctx->key_params.key, keylen, DMA_TO_DEVICE); if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) { dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", key, keylen); + kzfree(ctx->key_params.key); return -ENOMEM; } dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n", @@ -969,6 +997,8 @@ static int cc_xcbc_setkey(struct crypto_ahash *ahash, dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", &ctx->key_params.key_dma_addr, ctx->key_params.keylen); + kzfree(ctx->key_params.key); + return rc; } @@ -1621,7 +1651,7 @@ static struct cc_hash_template driver_hash[] = { .setkey = cc_hash_setkey, .halg = { .digestsize = SHA224_DIGEST_SIZE, - .statesize = CC_STATE_SIZE(SHA224_DIGEST_SIZE), + .statesize = CC_STATE_SIZE(SHA256_DIGEST_SIZE), }, }, .hash_mode = DRV_HASH_SHA224, @@ -1648,7 +1678,7 @@ static struct cc_hash_template driver_hash[] = { .setkey = cc_hash_setkey, .halg = { .digestsize = SHA384_DIGEST_SIZE, - .statesize = CC_STATE_SIZE(SHA384_DIGEST_SIZE), + .statesize = CC_STATE_SIZE(SHA512_DIGEST_SIZE), }, }, .hash_mode = DRV_HASH_SHA384, diff --git a/drivers/crypto/ccree/cc_hash.h b/drivers/crypto/ccree/cc_hash.h index 2e5bf8b0bbb6..0d6dc61484d7 100644 --- a/drivers/crypto/ccree/cc_hash.h +++ b/drivers/crypto/ccree/cc_hash.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_hash.h * ARM CryptoCell Hash Crypto API diff --git a/drivers/crypto/ccree/cc_host_regs.h b/drivers/crypto/ccree/cc_host_regs.h index 616b2e1c41ba..d0764147573f 100644 --- a/drivers/crypto/ccree/cc_host_regs.h +++ b/drivers/crypto/ccree/cc_host_regs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */ #ifndef __CC_HOST_H__ #define __CC_HOST_H__ @@ -7,33 +7,102 @@ // -------------------------------------- // BLOCK: HOST_P // -------------------------------------- + + +/* IRR */ #define CC_HOST_IRR_REG_OFFSET 0xA00UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SHIFT 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SIZE 0x1UL #define CC_HOST_IRR_DSCRPTR_COMPLETION_LOW_INT_BIT_SHIFT 0x2UL #define CC_HOST_IRR_DSCRPTR_COMPLETION_LOW_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SHIFT 0x3UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SHIFT 0x4UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SHIFT 0x5UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SHIFT 0x6UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SHIFT 0x7UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SIZE 0x1UL #define CC_HOST_IRR_AXI_ERR_INT_BIT_SHIFT 0x8UL #define CC_HOST_IRR_AXI_ERR_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SHIFT 0x9UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SHIFT 0xAUL +#define CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SIZE 0x1UL #define CC_HOST_IRR_GPR0_BIT_SHIFT 0xBUL #define CC_HOST_IRR_GPR0_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SHIFT 0xCUL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SHIFT 0xDUL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SHIFT 0xEUL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SHIFT 0xFUL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SHIFT 0x10UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SHIFT 0x11UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SHIFT 0x12UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SIZE 0x1UL #define CC_HOST_IRR_DSCRPTR_WATERMARK_INT_BIT_SHIFT 0x13UL #define CC_HOST_IRR_DSCRPTR_WATERMARK_INT_BIT_SIZE 0x1UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SHIFT 0x14UL +#define CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SIZE 0x1UL #define CC_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT 0x17UL #define CC_HOST_IRR_AXIM_COMP_INT_BIT_SIZE 0x1UL #define CC_HOST_SEP_SRAM_THRESHOLD_REG_OFFSET 0xA10UL #define CC_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SHIFT 0x0UL #define CC_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SIZE 0xCUL -#define CC_HOST_IMR_REG_OFFSET 0xA04UL -#define CC_HOST_IMR_NOT_USED_MASK_BIT_SHIFT 0x1UL -#define CC_HOST_IMR_NOT_USED_MASK_BIT_SIZE 0x1UL + +/* IMR */ +#define CC_HOST_IMR_REG_OFFSET 0x0A04UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SHIFT 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SIZE 0x1UL #define CC_HOST_IMR_DSCRPTR_COMPLETION_MASK_BIT_SHIFT 0x2UL #define CC_HOST_IMR_DSCRPTR_COMPLETION_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SHIFT 0x3UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SHIFT 0x4UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SHIFT 0x5UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SHIFT 0x6UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SHIFT 0x7UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SIZE 0x1UL #define CC_HOST_IMR_AXI_ERR_MASK_BIT_SHIFT 0x8UL #define CC_HOST_IMR_AXI_ERR_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SHIFT 0x9UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SHIFT 0xAUL +#define CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SIZE 0x1UL #define CC_HOST_IMR_GPR0_BIT_SHIFT 0xBUL #define CC_HOST_IMR_GPR0_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SHIFT 0xCUL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SHIFT 0xDUL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SHIFT 0xEUL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SHIFT 0xFUL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SHIFT 0x10UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SHIFT 0x11UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SHIFT 0x12UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SIZE 0x1UL #define CC_HOST_IMR_DSCRPTR_WATERMARK_MASK0_BIT_SHIFT 0x13UL #define CC_HOST_IMR_DSCRPTR_WATERMARK_MASK0_BIT_SIZE 0x1UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SHIFT 0x14UL +#define CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SIZE 0x1UL #define CC_HOST_IMR_AXIM_COMP_INT_MASK_BIT_SHIFT 0x17UL #define CC_HOST_IMR_AXIM_COMP_INT_MASK_BIT_SIZE 0x1UL + +/* ICR */ #define CC_HOST_ICR_REG_OFFSET 0xA08UL #define CC_HOST_ICR_DSCRPTR_COMPLETION_BIT_SHIFT 0x2UL #define CC_HOST_ICR_DSCRPTR_COMPLETION_BIT_SIZE 0x1UL @@ -45,6 +114,9 @@ #define CC_HOST_ICR_DSCRPTR_WATERMARK_QUEUE0_CLEAR_BIT_SIZE 0x1UL #define CC_HOST_ICR_AXIM_COMP_INT_CLEAR_BIT_SHIFT 0x17UL #define CC_HOST_ICR_AXIM_COMP_INT_CLEAR_BIT_SIZE 0x1UL +#define CC_SECURITY_DISABLED_REG_OFFSET 0x0A1CUL +#define CC_SECURITY_DISABLED_VALUE_BIT_SHIFT 0x0UL +#define CC_SECURITY_DISABLED_VALUE_BIT_SIZE 0x1UL #define CC_HOST_SIGNATURE_712_REG_OFFSET 0xA24UL #define CC_HOST_SIGNATURE_630_REG_OFFSET 0xAC8UL #define CC_HOST_SIGNATURE_VALUE_BIT_SHIFT 0x0UL @@ -132,6 +204,49 @@ #define CC_HOST_POWER_DOWN_EN_VALUE_BIT_SHIFT 0x0UL #define CC_HOST_POWER_DOWN_EN_VALUE_BIT_SIZE 0x1UL // -------------------------------------- +// BLOCK: ID_REGISTERS +// -------------------------------------- +#define CC_PERIPHERAL_ID_4_REG_OFFSET 0x0FD0UL +#define CC_PERIPHERAL_ID_4_VALUE_BIT_SHIFT 0x0UL +#define CC_PERIPHERAL_ID_4_VALUE_BIT_SIZE 0x4UL +#define CC_PIDRESERVED0_REG_OFFSET 0x0FD4UL +#define CC_PIDRESERVED1_REG_OFFSET 0x0FD8UL +#define CC_PIDRESERVED2_REG_OFFSET 0x0FDCUL +#define CC_PERIPHERAL_ID_0_REG_OFFSET 0x0FE0UL +#define CC_PERIPHERAL_ID_0_VALUE_BIT_SHIFT 0x0UL +#define CC_PERIPHERAL_ID_0_VALUE_BIT_SIZE 0x8UL +#define CC_PERIPHERAL_ID_1_REG_OFFSET 0x0FE4UL +#define CC_PERIPHERAL_ID_1_PART_1_BIT_SHIFT 0x0UL +#define CC_PERIPHERAL_ID_1_PART_1_BIT_SIZE 0x4UL +#define CC_PERIPHERAL_ID_1_DES_0_JEP106_BIT_SHIFT 0x4UL +#define CC_PERIPHERAL_ID_1_DES_0_JEP106_BIT_SIZE 0x4UL +#define CC_PERIPHERAL_ID_2_REG_OFFSET 0x0FE8UL +#define CC_PERIPHERAL_ID_2_DES_1_JEP106_BIT_SHIFT 0x0UL +#define CC_PERIPHERAL_ID_2_DES_1_JEP106_BIT_SIZE 0x3UL +#define CC_PERIPHERAL_ID_2_JEDEC_BIT_SHIFT 0x3UL +#define CC_PERIPHERAL_ID_2_JEDEC_BIT_SIZE 0x1UL +#define CC_PERIPHERAL_ID_2_REVISION_BIT_SHIFT 0x4UL +#define CC_PERIPHERAL_ID_2_REVISION_BIT_SIZE 0x4UL +#define CC_PERIPHERAL_ID_3_REG_OFFSET 0x0FECUL +#define CC_PERIPHERAL_ID_3_CMOD_BIT_SHIFT 0x0UL +#define CC_PERIPHERAL_ID_3_CMOD_BIT_SIZE 0x4UL +#define CC_PERIPHERAL_ID_3_REVAND_BIT_SHIFT 0x4UL +#define CC_PERIPHERAL_ID_3_REVAND_BIT_SIZE 0x4UL +#define CC_COMPONENT_ID_0_REG_OFFSET 0x0FF0UL +#define CC_COMPONENT_ID_0_VALUE_BIT_SHIFT 0x0UL +#define CC_COMPONENT_ID_0_VALUE_BIT_SIZE 0x8UL +#define CC_COMPONENT_ID_1_REG_OFFSET 0x0FF4UL +#define CC_COMPONENT_ID_1_PRMBL_1_BIT_SHIFT 0x0UL +#define CC_COMPONENT_ID_1_PRMBL_1_BIT_SIZE 0x4UL +#define CC_COMPONENT_ID_1_CLASS_BIT_SHIFT 0x4UL +#define CC_COMPONENT_ID_1_CLASS_BIT_SIZE 0x4UL +#define CC_COMPONENT_ID_2_REG_OFFSET 0x0FF8UL +#define CC_COMPONENT_ID_2_VALUE_BIT_SHIFT 0x0UL +#define CC_COMPONENT_ID_2_VALUE_BIT_SIZE 0x8UL +#define CC_COMPONENT_ID_3_REG_OFFSET 0x0FFCUL +#define CC_COMPONENT_ID_3_VALUE_BIT_SHIFT 0x0UL +#define CC_COMPONENT_ID_3_VALUE_BIT_SIZE 0x8UL +// -------------------------------------- // BLOCK: HOST_SRAM // -------------------------------------- #define CC_SRAM_DATA_REG_OFFSET 0xF00UL diff --git a/drivers/crypto/ccree/cc_hw_queue_defs.h b/drivers/crypto/ccree/cc_hw_queue_defs.h index 7a9b90db7db7..9f4db9956e91 100644 --- a/drivers/crypto/ccree/cc_hw_queue_defs.h +++ b/drivers/crypto/ccree/cc_hw_queue_defs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_HW_QUEUE_DEFS_H__ #define __CC_HW_QUEUE_DEFS_H__ @@ -28,11 +28,13 @@ GENMASK(CC_REG_HIGH(word, name), CC_REG_LOW(word, name)) #define WORD0_VALUE CC_GENMASK(0, VALUE) +#define WORD0_CPP_CIPHER_MODE CC_GENMASK(0, CPP_CIPHER_MODE) #define WORD1_DIN_CONST_VALUE CC_GENMASK(1, DIN_CONST_VALUE) #define WORD1_DIN_DMA_MODE CC_GENMASK(1, DIN_DMA_MODE) #define WORD1_DIN_SIZE CC_GENMASK(1, DIN_SIZE) #define WORD1_NOT_LAST CC_GENMASK(1, NOT_LAST) #define WORD1_NS_BIT CC_GENMASK(1, NS_BIT) +#define WORD1_LOCK_QUEUE CC_GENMASK(1, LOCK_QUEUE) #define WORD2_VALUE CC_GENMASK(2, VALUE) #define WORD3_DOUT_DMA_MODE CC_GENMASK(3, DOUT_DMA_MODE) #define WORD3_DOUT_LAST_IND CC_GENMASK(3, DOUT_LAST_IND) @@ -176,6 +178,15 @@ enum cc_hw_crypto_key { END_OF_KEYS = S32_MAX, }; +#define CC_NUM_HW_KEY_SLOTS 4 +#define CC_FIRST_HW_KEY_SLOT 0 +#define CC_LAST_HW_KEY_SLOT (CC_FIRST_HW_KEY_SLOT + CC_NUM_HW_KEY_SLOTS - 1) + +#define CC_NUM_CPP_KEY_SLOTS 8 +#define CC_FIRST_CPP_KEY_SLOT 16 +#define CC_LAST_CPP_KEY_SLOT (CC_FIRST_CPP_KEY_SLOT + \ + CC_NUM_CPP_KEY_SLOTS - 1) + enum cc_hw_aes_key_size { AES_128_KEY = 0, AES_192_KEY = 1, @@ -189,6 +200,9 @@ enum cc_hash_cipher_pad { HASH_CIPHER_DO_PADDING_RESERVE32 = S32_MAX, }; +#define CC_CPP_DIN_ADDR 0xFF00FF00UL +#define CC_CPP_DIN_SIZE 0xFF00FFUL + /*****************************/ /* Descriptor packing macros */ /*****************************/ @@ -249,6 +263,25 @@ static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size) } /* + * Setup the special CPP descriptor + * + * @pdesc: pointer HW descriptor struct + * @alg: cipher used (AES / SM4) + * @mode: mode used (CTR or CBC) + * @slot: slot number + * @ksize: key size + */ +static inline void set_cpp_crypto_key(struct cc_hw_desc *pdesc, u8 slot) +{ + pdesc->word[0] |= CC_CPP_DIN_ADDR; + + pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, CC_CPP_DIN_SIZE); + pdesc->word[1] |= FIELD_PREP(WORD1_LOCK_QUEUE, 1); + + pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, slot); +} + +/* * Set the DIN field of a HW descriptors to SRAM mode. * Note: No need to check SRAM alignment since host requests do not use SRAM and * adaptor will enforce alignment check. diff --git a/drivers/crypto/ccree/cc_ivgen.c b/drivers/crypto/ccree/cc_ivgen.c index 769458323394..99dc69383e20 100644 --- a/drivers/crypto/ccree/cc_ivgen.c +++ b/drivers/crypto/ccree/cc_ivgen.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <crypto/ctr.h> #include "cc_driver.h" @@ -154,9 +154,6 @@ void cc_ivgen_fini(struct cc_drvdata *drvdata) } ivgen_ctx->pool = NULL_SRAM_ADDR; - - /* release "this" context */ - kfree(ivgen_ctx); } /*! @@ -174,10 +171,12 @@ int cc_ivgen_init(struct cc_drvdata *drvdata) int rc; /* Allocate "this" context */ - ivgen_ctx = kzalloc(sizeof(*ivgen_ctx), GFP_KERNEL); + ivgen_ctx = devm_kzalloc(device, sizeof(*ivgen_ctx), GFP_KERNEL); if (!ivgen_ctx) return -ENOMEM; + drvdata->ivgen_handle = ivgen_ctx; + /* Allocate pool's header for initial enc. key/IV */ ivgen_ctx->pool_meta = dma_alloc_coherent(device, CC_IVPOOL_META_SIZE, &ivgen_ctx->pool_meta_dma, @@ -196,8 +195,6 @@ int cc_ivgen_init(struct cc_drvdata *drvdata) goto out; } - drvdata->ivgen_handle = ivgen_ctx; - return cc_init_iv_sram(drvdata); out: diff --git a/drivers/crypto/ccree/cc_ivgen.h b/drivers/crypto/ccree/cc_ivgen.h index b6ac16903dda..a9f5e8bba4f1 100644 --- a/drivers/crypto/ccree/cc_ivgen.h +++ b/drivers/crypto/ccree/cc_ivgen.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_IVGEN_H__ #define __CC_IVGEN_H__ diff --git a/drivers/crypto/ccree/cc_kernel_regs.h b/drivers/crypto/ccree/cc_kernel_regs.h index 8d7262a35156..582bae450596 100644 --- a/drivers/crypto/ccree/cc_kernel_regs.h +++ b/drivers/crypto/ccree/cc_kernel_regs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_CRYS_KERNEL_H__ #define __CC_CRYS_KERNEL_H__ diff --git a/drivers/crypto/ccree/cc_lli_defs.h b/drivers/crypto/ccree/cc_lli_defs.h index 64b15ac9f1d3..f891ab813f41 100644 --- a/drivers/crypto/ccree/cc_lli_defs.h +++ b/drivers/crypto/ccree/cc_lli_defs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef _CC_LLI_DEFS_H_ #define _CC_LLI_DEFS_H_ @@ -14,7 +14,7 @@ #define CC_MAX_MLLI_ENTRY_SIZE 0xFFFF #define LLI_MAX_NUM_OF_DATA_ENTRIES 128 -#define LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES 4 +#define LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES 8 #define MLLI_TABLE_MIN_ALIGNMENT 4 /* 32 bit alignment */ #define MAX_NUM_OF_BUFFERS_IN_MLLI 4 #define MAX_NUM_OF_TOTAL_MLLI_ENTRIES \ diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c index 6ff7e75ad90e..2dad9c9543c6 100644 --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> #include <linux/interrupt.h> @@ -11,6 +11,7 @@ #include "cc_ivgen.h" #include "cc_hash.h" #include "cc_pm.h" +#include "cc_fips.h" #define POWER_DOWN_ENABLE 0x01 #define POWER_DOWN_DISABLE 0x00 @@ -25,13 +26,13 @@ int cc_pm_suspend(struct device *dev) int rc; dev_dbg(dev, "set HOST_POWER_DOWN_EN\n"); - cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); rc = cc_suspend_req_queue(drvdata); if (rc) { dev_err(dev, "cc_suspend_req_queue (%x)\n", rc); return rc; } fini_cc_regs(drvdata); + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); cc_clk_off(drvdata); return 0; } @@ -42,19 +43,21 @@ int cc_pm_resume(struct device *dev) struct cc_drvdata *drvdata = dev_get_drvdata(dev); dev_dbg(dev, "unset HOST_POWER_DOWN_EN\n"); - cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); - + /* Enables the device source clk */ rc = cc_clk_on(drvdata); if (rc) { dev_err(dev, "failed getting clock back on. We're toast.\n"); return rc; } + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); rc = init_cc_regs(drvdata, false); if (rc) { dev_err(dev, "init_cc_regs (%x)\n", rc); return rc; } + /* check if tee fips error occurred during power down */ + cc_tee_handle_fips_error(drvdata); rc = cc_resume_req_queue(drvdata); if (rc) { diff --git a/drivers/crypto/ccree/cc_pm.h b/drivers/crypto/ccree/cc_pm.h index 907a6db4d6c0..6190cdba5dad 100644 --- a/drivers/crypto/ccree/cc_pm.h +++ b/drivers/crypto/ccree/cc_pm.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_pm.h */ diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c index 83a8aaae61c7..0bc6ccb0b899 100644 --- a/drivers/crypto/ccree/cc_request_mgr.c +++ b/drivers/crypto/ccree/cc_request_mgr.c @@ -1,7 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include <linux/kernel.h> +#include <linux/nospec.h> #include "cc_driver.h" #include "cc_buffer_mgr.h" #include "cc_request_mgr.h" @@ -52,11 +53,38 @@ struct cc_bl_item { bool notif; }; +static const u32 cc_cpp_int_masks[CC_CPP_NUM_ALGS][CC_CPP_NUM_SLOTS] = { + { BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SHIFT) }, + { BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SHIFT), + BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SHIFT) } +}; + static void comp_handler(unsigned long devarg); #ifdef COMP_IN_WQ static void comp_work_handler(struct work_struct *work); #endif +static inline u32 cc_cpp_int_mask(enum cc_cpp_alg alg, int slot) +{ + alg = array_index_nospec(alg, CC_CPP_NUM_ALGS); + slot = array_index_nospec(slot, CC_CPP_NUM_SLOTS); + + return cc_cpp_int_masks[alg][slot]; +} + void cc_req_mgr_fini(struct cc_drvdata *drvdata) { struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle; @@ -336,10 +364,12 @@ static void cc_enqueue_backlog(struct cc_drvdata *drvdata, struct cc_bl_item *bli) { struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle; + struct device *dev = drvdata_to_dev(drvdata); spin_lock_bh(&mgr->bl_lock); list_add_tail(&bli->list, &mgr->backlog); ++mgr->bl_len; + dev_dbg(dev, "+++bl len: %d\n", mgr->bl_len); spin_unlock_bh(&mgr->bl_lock); tasklet_schedule(&mgr->comptask); } @@ -349,7 +379,7 @@ static void cc_proc_backlog(struct cc_drvdata *drvdata) struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle; struct cc_bl_item *bli; struct cc_crypto_req *creq; - struct crypto_async_request *req; + void *req; bool ivgen; unsigned int total_len; struct device *dev = drvdata_to_dev(drvdata); @@ -359,17 +389,20 @@ static void cc_proc_backlog(struct cc_drvdata *drvdata) while (mgr->bl_len) { bli = list_first_entry(&mgr->backlog, struct cc_bl_item, list); + dev_dbg(dev, "---bl len: %d\n", mgr->bl_len); + spin_unlock(&mgr->bl_lock); + creq = &bli->creq; - req = (struct crypto_async_request *)creq->user_arg; + req = creq->user_arg; /* * Notify the request we're moving out of the backlog * but only if we haven't done so already. */ if (!bli->notif) { - req->complete(req, -EINPROGRESS); + creq->user_cb(dev, req, -EINPROGRESS); bli->notif = true; } @@ -579,6 +612,8 @@ static void proc_completions(struct cc_drvdata *drvdata) drvdata->request_mgr_handle; unsigned int *tail = &request_mgr_handle->req_queue_tail; unsigned int *head = &request_mgr_handle->req_queue_head; + int rc; + u32 mask; while (request_mgr_handle->axi_completed) { request_mgr_handle->axi_completed--; @@ -596,8 +631,22 @@ static void proc_completions(struct cc_drvdata *drvdata) cc_req = &request_mgr_handle->req_queue[*tail]; + if (cc_req->cpp.is_cpp) { + + dev_dbg(dev, "CPP request completion slot: %d alg:%d\n", + cc_req->cpp.slot, cc_req->cpp.alg); + mask = cc_cpp_int_mask(cc_req->cpp.alg, + cc_req->cpp.slot); + rc = (drvdata->irq & mask ? -EPERM : 0); + dev_dbg(dev, "Got mask: %x irq: %x rc: %d\n", mask, + drvdata->irq, rc); + } else { + dev_dbg(dev, "None CPP request completion\n"); + rc = 0; + } + if (cc_req->user_cb) - cc_req->user_cb(dev, cc_req->user_arg, 0); + cc_req->user_cb(dev, cc_req->user_arg, rc); *tail = (*tail + 1) & (MAX_REQUEST_QUEUE_SIZE - 1); dev_dbg(dev, "Dequeue request tail=%u\n", *tail); dev_dbg(dev, "Request completed. axi_completed=%d\n", @@ -618,47 +667,50 @@ static void comp_handler(unsigned long devarg) struct cc_drvdata *drvdata = (struct cc_drvdata *)devarg; struct cc_req_mgr_handle *request_mgr_handle = drvdata->request_mgr_handle; - + struct device *dev = drvdata_to_dev(drvdata); u32 irq; - irq = (drvdata->irq & CC_COMP_IRQ_MASK); + dev_dbg(dev, "Completion handler called!\n"); + irq = (drvdata->irq & drvdata->comp_mask); - if (irq & CC_COMP_IRQ_MASK) { - /* To avoid the interrupt from firing as we unmask it, - * we clear it now - */ - cc_iowrite(drvdata, CC_REG(HOST_ICR), CC_COMP_IRQ_MASK); + /* To avoid the interrupt from firing as we unmask it, + * we clear it now + */ + cc_iowrite(drvdata, CC_REG(HOST_ICR), irq); - /* Avoid race with above clear: Test completion counter - * once more - */ - request_mgr_handle->axi_completed += - cc_axi_comp_count(drvdata); - - while (request_mgr_handle->axi_completed) { - do { - proc_completions(drvdata); - /* At this point (after proc_completions()), - * request_mgr_handle->axi_completed is 0. - */ - request_mgr_handle->axi_completed = - cc_axi_comp_count(drvdata); - } while (request_mgr_handle->axi_completed > 0); + /* Avoid race with above clear: Test completion counter once more */ - cc_iowrite(drvdata, CC_REG(HOST_ICR), - CC_COMP_IRQ_MASK); + request_mgr_handle->axi_completed += cc_axi_comp_count(drvdata); + + dev_dbg(dev, "AXI completion after updated: %d\n", + request_mgr_handle->axi_completed); + + while (request_mgr_handle->axi_completed) { + do { + drvdata->irq |= cc_ioread(drvdata, CC_REG(HOST_IRR)); + irq = (drvdata->irq & drvdata->comp_mask); + proc_completions(drvdata); + /* At this point (after proc_completions()), + * request_mgr_handle->axi_completed is 0. + */ request_mgr_handle->axi_completed += - cc_axi_comp_count(drvdata); - } + cc_axi_comp_count(drvdata); + } while (request_mgr_handle->axi_completed > 0); + + cc_iowrite(drvdata, CC_REG(HOST_ICR), irq); + + request_mgr_handle->axi_completed += cc_axi_comp_count(drvdata); } + /* after verifing that there is nothing to do, * unmask AXI completion interrupt */ cc_iowrite(drvdata, CC_REG(HOST_IMR), - cc_ioread(drvdata, CC_REG(HOST_IMR)) & ~irq); + cc_ioread(drvdata, CC_REG(HOST_IMR)) & ~drvdata->comp_mask); cc_proc_backlog(drvdata); + dev_dbg(dev, "Comp. handler done.\n"); } /* diff --git a/drivers/crypto/ccree/cc_request_mgr.h b/drivers/crypto/ccree/cc_request_mgr.h index 573cb97af085..f46cf766fe4d 100644 --- a/drivers/crypto/ccree/cc_request_mgr.h +++ b/drivers/crypto/ccree/cc_request_mgr.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ /* \file cc_request_mgr.h * Request Manager diff --git a/drivers/crypto/ccree/cc_sram_mgr.c b/drivers/crypto/ccree/cc_sram_mgr.c index c8c276f6dee9..62c885e6e791 100644 --- a/drivers/crypto/ccree/cc_sram_mgr.c +++ b/drivers/crypto/ccree/cc_sram_mgr.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #include "cc_driver.h" #include "cc_sram_mgr.h" @@ -19,8 +19,7 @@ struct cc_sram_ctx { */ void cc_sram_mgr_fini(struct cc_drvdata *drvdata) { - /* Free "this" context */ - kfree(drvdata->sram_mgr_handle); + /* Nothing needed */ } /** @@ -48,7 +47,7 @@ int cc_sram_mgr_init(struct cc_drvdata *drvdata) } /* Allocate "this" context */ - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; diff --git a/drivers/crypto/ccree/cc_sram_mgr.h b/drivers/crypto/ccree/cc_sram_mgr.h index d48649fb3323..1d14de9ee8c3 100644 --- a/drivers/crypto/ccree/cc_sram_mgr.h +++ b/drivers/crypto/ccree/cc_sram_mgr.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ +/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ #ifndef __CC_SRAM_MGR_H__ #define __CC_SRAM_MGR_H__ diff --git a/drivers/crypto/chelsio/Kconfig b/drivers/crypto/chelsio/Kconfig index 930d82d991f2..4b9b37a130d3 100644 --- a/drivers/crypto/chelsio/Kconfig +++ b/drivers/crypto/chelsio/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_CHELSIO tristate "Chelsio Crypto Co-processor Driver" depends on CHELSIO_T4 diff --git a/drivers/crypto/chelsio/Makefile b/drivers/crypto/chelsio/Makefile index b7bd980a27d8..a3c05e2f4562 100644 --- a/drivers/crypto/chelsio/Makefile +++ b/drivers/crypto/chelsio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4 obj-$(CONFIG_CRYPTO_DEV_CHELSIO) += chcr.o diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index 8d8cf80b9294..177f572b9589 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -200,17 +200,10 @@ void chcr_verify_tag(struct aead_request *req, u8 *input, int *err) static int chcr_inc_wrcount(struct chcr_dev *dev) { - int err = 0; - - spin_lock_bh(&dev->lock_chcr_dev); if (dev->state == CHCR_DETACH) - err = 1; - else - atomic_inc(&dev->inflight); - - spin_unlock_bh(&dev->lock_chcr_dev); - - return err; + return 1; + atomic_inc(&dev->inflight); + return 0; } static inline void chcr_dec_wrcount(struct chcr_dev *dev) @@ -1101,8 +1094,8 @@ static int chcr_final_cipher_iv(struct ablkcipher_request *req, int ret = 0; if (subtype == CRYPTO_ALG_SUB_TYPE_CTR) - ctr_add_iv(iv, req->info, (reqctx->processed / - AES_BLOCK_SIZE)); + ctr_add_iv(iv, req->info, DIV_ROUND_UP(reqctx->processed, + AES_BLOCK_SIZE)); else if (subtype == CRYPTO_ALG_SUB_TYPE_XTS) ret = chcr_update_tweak(req, iv, 1); else if (subtype == CRYPTO_ALG_SUB_TYPE_CBC) { @@ -2130,7 +2123,6 @@ static int chcr_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, * ipad in hmacctx->ipad and opad in hmacctx->opad location */ shash->tfm = hmacctx->base_hash; - shash->flags = crypto_shash_get_flags(hmacctx->base_hash); if (keylen > bs) { err = crypto_shash_digest(shash, key, keylen, hmacctx->ipad); @@ -3517,7 +3509,6 @@ static int chcr_authenc_setkey(struct crypto_aead *authenc, const u8 *key, SHASH_DESC_ON_STACK(shash, base_hash); shash->tfm = base_hash; - shash->flags = crypto_shash_get_flags(base_hash); bs = crypto_shash_blocksize(base_hash); align = KEYCTX_ALIGN_PAD(max_authsize); o_ptr = actx->h_iopad + param.result_size + align; diff --git a/drivers/crypto/chelsio/chcr_core.c b/drivers/crypto/chelsio/chcr_core.c index 239b933d6df6..029a7354f541 100644 --- a/drivers/crypto/chelsio/chcr_core.c +++ b/drivers/crypto/chelsio/chcr_core.c @@ -243,15 +243,11 @@ static void chcr_detach_device(struct uld_ctx *u_ctx) { struct chcr_dev *dev = &u_ctx->dev; - spin_lock_bh(&dev->lock_chcr_dev); if (dev->state == CHCR_DETACH) { - spin_unlock_bh(&dev->lock_chcr_dev); pr_debug("Detached Event received for already detach device\n"); return; } dev->state = CHCR_DETACH; - spin_unlock_bh(&dev->lock_chcr_dev); - if (atomic_read(&dev->inflight) != 0) { schedule_delayed_work(&dev->detach_work, WQ_DETACH_TM); wait_for_completion(&dev->detach_comp); diff --git a/drivers/crypto/chelsio/chcr_ipsec.c b/drivers/crypto/chelsio/chcr_ipsec.c index 2f60049361ef..f429aae72542 100644 --- a/drivers/crypto/chelsio/chcr_ipsec.c +++ b/drivers/crypto/chelsio/chcr_ipsec.c @@ -575,7 +575,8 @@ inline void *chcr_crypto_wreq(struct sk_buff *skb, if (unlikely(credits < ETHTXQ_STOP_THRES)) { netif_tx_stop_queue(q->txq); q->q.stops++; - wr_mid |= FW_WR_EQUEQ_F | FW_WR_EQUIQ_F; + if (!q->dbqt) + wr_mid |= FW_WR_EQUEQ_F | FW_WR_EQUIQ_F; } wr_mid |= FW_ULPTX_WR_DATA_F; wr->wreq.flowid_len16 = htonl(wr_mid); diff --git a/drivers/crypto/chelsio/chtls/Makefile b/drivers/crypto/chelsio/chtls/Makefile index b958f1b8ec39..bc11495acdb3 100644 --- a/drivers/crypto/chelsio/chtls/Makefile +++ b/drivers/crypto/chelsio/chtls/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb4 \ -I $(srctree)/drivers/crypto/chelsio diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index dad212cabe63..d656be0a142b 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -1976,6 +1976,29 @@ static int hifn_setkey(struct crypto_ablkcipher *cipher, const u8 *key, return 0; } +static int hifn_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key, + unsigned int len) +{ + struct hifn_context *ctx = crypto_ablkcipher_ctx(cipher); + struct hifn_device *dev = ctx->dev; + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } + + dev->flags &= ~HIFN_FLAG_OLD_KEY; + + memcpy(ctx->key, key, len); + ctx->keysize = len; + + return 0; +} + static int hifn_handle_req(struct ablkcipher_request *req) { struct hifn_context *ctx = crypto_tfm_ctx(req->base.tfm); @@ -2240,7 +2263,7 @@ static struct hifn_alg_template hifn_alg_templates[] = { .ablkcipher = { .min_keysize = HIFN_3DES_KEY_LENGTH, .max_keysize = HIFN_3DES_KEY_LENGTH, - .setkey = hifn_setkey, + .setkey = hifn_des3_setkey, .encrypt = hifn_encrypt_3des_cfb, .decrypt = hifn_decrypt_3des_cfb, }, @@ -2250,7 +2273,7 @@ static struct hifn_alg_template hifn_alg_templates[] = { .ablkcipher = { .min_keysize = HIFN_3DES_KEY_LENGTH, .max_keysize = HIFN_3DES_KEY_LENGTH, - .setkey = hifn_setkey, + .setkey = hifn_des3_setkey, .encrypt = hifn_encrypt_3des_ofb, .decrypt = hifn_decrypt_3des_ofb, }, @@ -2261,7 +2284,7 @@ static struct hifn_alg_template hifn_alg_templates[] = { .ivsize = HIFN_IV_LENGTH, .min_keysize = HIFN_3DES_KEY_LENGTH, .max_keysize = HIFN_3DES_KEY_LENGTH, - .setkey = hifn_setkey, + .setkey = hifn_des3_setkey, .encrypt = hifn_encrypt_3des_cbc, .decrypt = hifn_decrypt_3des_cbc, }, @@ -2271,7 +2294,7 @@ static struct hifn_alg_template hifn_alg_templates[] = { .ablkcipher = { .min_keysize = HIFN_3DES_KEY_LENGTH, .max_keysize = HIFN_3DES_KEY_LENGTH, - .setkey = hifn_setkey, + .setkey = hifn_des3_setkey, .encrypt = hifn_encrypt_3des_ecb, .decrypt = hifn_decrypt_3des_ecb, }, diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c index adc0cd8ae97b..02768af0dccd 100644 --- a/drivers/crypto/hisilicon/sec/sec_algs.c +++ b/drivers/crypto/hisilicon/sec/sec_algs.c @@ -365,20 +365,16 @@ static int sec_alg_skcipher_setkey_des_cbc(struct crypto_skcipher *tfm, static int sec_alg_skcipher_setkey_3des_ecb(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != DES_KEY_SIZE * 3) - return -EINVAL; - - return sec_alg_skcipher_setkey(tfm, key, keylen, + return unlikely(des3_verify_key(tfm, key)) ?: + sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_3DES_ECB_192_3KEY); } static int sec_alg_skcipher_setkey_3des_cbc(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != DES3_EDE_KEY_SIZE) - return -EINVAL; - - return sec_alg_skcipher_setkey(tfm, key, keylen, + return unlikely(des3_verify_key(tfm, key)) ?: + sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_3DES_CBC_192_3KEY); } diff --git a/drivers/crypto/inside-secure/Makefile b/drivers/crypto/inside-secure/Makefile index 302f07dde98c..13f64f96c626 100644 --- a/drivers/crypto/inside-secure/Makefile +++ b/drivers/crypto/inside-secure/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_SAFEXCEL) += crypto_safexcel.o crypto_safexcel-objs := safexcel.o safexcel_ring.o safexcel_cipher.o safexcel_hash.o diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index 7ef30a98cb24..de4be10b172f 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -1039,13 +1039,12 @@ static int safexcel_cbc_des3_ede_decrypt(struct skcipher_request *req) static int safexcel_des3_ede_setkey(struct crypto_skcipher *ctfm, const u8 *key, unsigned int len) { - struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); - struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + struct safexcel_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); + int err; - if (len != DES3_EDE_KEY_SIZE) { - crypto_skcipher_set_flags(ctfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } + err = des3_verify_key(ctfm, key); + if (unlikely(err)) + return err; /* if context exits and key changed, need to invalidate it */ if (ctx->base.ctxr_dma) { diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 5c4659b04d70..f5414b6dfb55 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -30,8 +30,8 @@ #include <crypto/authenc.h> #include <crypto/scatterwalk.h> -#include <mach/npe.h> -#include <mach/qmgr.h> +#include <linux/soc/ixp4xx/npe.h> +#include <linux/soc/ixp4xx/qmgr.h> #define MAX_KEYLEN 32 @@ -758,14 +758,6 @@ static int setup_cipher(struct crypto_tfm *tfm, int encrypt, return -EINVAL; } cipher_cfg |= keylen_cfg; - } else if (cipher_cfg & MOD_3DES) { - const u32 *K = (const u32 *)key; - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5])))) - { - *flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED; - return -EINVAL; - } } else { u32 tmp[DES_EXPKEY_WORDS]; if (des_ekey(tmp, key) == 0) { @@ -859,6 +851,19 @@ out: return ret; } +static int ablk_des3_setkey(struct crypto_ablkcipher *tfm, const u8 *key, + unsigned int key_len) +{ + u32 flags = crypto_ablkcipher_get_flags(tfm); + int err; + + err = __des3_verify_key(&flags, key); + if (unlikely(err)) + crypto_ablkcipher_set_flags(tfm, flags); + + return ablk_setkey(tfm, key, key_len); +} + static int ablk_rfc3686_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int key_len) { @@ -1175,6 +1180,43 @@ badkey: return -EINVAL; } +static int des3_aead_setkey(struct crypto_aead *tfm, const u8 *key, + unsigned int keylen) +{ + struct ixp_ctx *ctx = crypto_aead_ctx(tfm); + u32 flags = CRYPTO_TFM_RES_BAD_KEY_LEN; + struct crypto_authenc_keys keys; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.authkeylen > sizeof(ctx->authkey)) + goto badkey; + + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(tfm); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) + goto badkey; + + memcpy(ctx->authkey, keys.authkey, keys.authkeylen); + memcpy(ctx->enckey, keys.enckey, keys.enckeylen); + ctx->authkey_len = keys.authkeylen; + ctx->enckey_len = keys.enckeylen; + + memzero_explicit(&keys, sizeof(keys)); + return aead_setup(tfm, crypto_aead_authsize(tfm)); +badkey: + crypto_aead_set_flags(tfm, flags); + memzero_explicit(&keys, sizeof(keys)); + return err; +} + static int aead_encrypt(struct aead_request *req) { return aead_perform(req, 1, req->assoclen, req->cryptlen, req->iv); @@ -1220,6 +1262,7 @@ static struct ixp_alg ixp4xx_algos[] = { .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = ablk_des3_setkey, } } }, @@ -1232,6 +1275,7 @@ static struct ixp_alg ixp4xx_algos[] = { .cra_u = { .ablkcipher = { .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = ablk_des3_setkey, } } }, @@ -1313,6 +1357,7 @@ static struct ixp_aead_alg ixp4xx_aeads[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, + .setkey = des3_aead_setkey, }, .hash = &hash_alg_md5, .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192, @@ -1337,6 +1382,7 @@ static struct ixp_aead_alg ixp4xx_aeads[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, + .setkey = des3_aead_setkey, }, .hash = &hash_alg_sha1, .cfg_enc = CIPH_ENCR | MOD_3DES | MOD_CBC_ENC | KEYLEN_192, @@ -1443,7 +1489,7 @@ static int __init ixp_module_init(void) /* authenc */ cra->base.cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC; - cra->setkey = aead_setkey; + cra->setkey = cra->setkey ?: aead_setkey; cra->setauthsize = aead_setauthsize; cra->encrypt = aead_encrypt; cra->decrypt = aead_decrypt; diff --git a/drivers/crypto/marvell/Makefile b/drivers/crypto/marvell/Makefile index 0c12b13574dc..b27cab65e696 100644 --- a/drivers/crypto/marvell/Makefile +++ b/drivers/crypto/marvell/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += marvell-cesa.o marvell-cesa-objs := cesa.o cipher.o hash.o tdma.o diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index fb279b3a1ca1..2fd936b19c6d 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -299,13 +299,12 @@ static int mv_cesa_des_setkey(struct crypto_skcipher *cipher, const u8 *key, static int mv_cesa_des3_ede_setkey(struct crypto_skcipher *cipher, const u8 *key, unsigned int len) { - struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher); - struct mv_cesa_des_ctx *ctx = crypto_tfm_ctx(tfm); + struct mv_cesa_des_ctx *ctx = crypto_skcipher_ctx(cipher); + int err; - if (len != DES3_EDE_KEY_SIZE) { - crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } + err = des3_verify_key(cipher, key); + if (unlikely(err)) + return err; memcpy(ctx->key, key, DES3_EDE_KEY_SIZE); diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index 99ff54cc8a15..fd456dd703bf 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -135,11 +135,10 @@ static int mv_cesa_ahash_pad_len(struct mv_cesa_ahash_req *creq) static int mv_cesa_ahash_pad_req(struct mv_cesa_ahash_req *creq, u8 *buf) { - unsigned int index, padlen; + unsigned int padlen; buf[0] = 0x80; /* Pad out to 56 mod 64 */ - index = creq->len & CESA_HASH_BLOCK_SIZE_MSK; padlen = mv_cesa_ahash_pad_len(creq); memset(buf + 1, 0, padlen - 1); diff --git a/drivers/crypto/mediatek/Makefile b/drivers/crypto/mediatek/Makefile index 187be79c7f3e..196a4653974e 100644 --- a/drivers/crypto/mediatek/Makefile +++ b/drivers/crypto/mediatek/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_MEDIATEK) += mtk-crypto.o mtk-crypto-objs:= mtk-platform.o mtk-aes.o mtk-sha.o diff --git a/drivers/crypto/mediatek/mtk-sha.c b/drivers/crypto/mediatek/mtk-sha.c index 5f4f845adbb8..a0806ba40c68 100644 --- a/drivers/crypto/mediatek/mtk-sha.c +++ b/drivers/crypto/mediatek/mtk-sha.c @@ -365,7 +365,6 @@ static int mtk_sha_finish_hmac(struct ahash_request *req) SHASH_DESC_ON_STACK(shash, bctx->shash); shash->tfm = bctx->shash; - shash->flags = 0; /* not CRYPTO_TFM_REQ_MAY_SLEEP */ return crypto_shash_init(shash) ?: crypto_shash_update(shash, bctx->opad, ctx->bs) ?: @@ -810,8 +809,6 @@ static int mtk_sha_setkey(struct crypto_ahash *tfm, const u8 *key, SHASH_DESC_ON_STACK(shash, bctx->shash); shash->tfm = bctx->shash; - shash->flags = crypto_shash_get_flags(bctx->shash) & - CRYPTO_TFM_REQ_MAY_SLEEP; if (keylen > bs) { err = crypto_shash_digest(shash, key, keylen, bctx->ipad); diff --git a/drivers/crypto/mxc-scc.c b/drivers/crypto/mxc-scc.c deleted file mode 100644 index 519086730791..000000000000 --- a/drivers/crypto/mxc-scc.c +++ /dev/null @@ -1,767 +0,0 @@ -/* - * Copyright (C) 2016 Pengutronix, Steffen Trumtrar <kernel@pengutronix.de> - * - * The driver is based on information gathered from - * drivers/mxc/security/mxc_scc.c which can be found in - * the Freescale linux-2.6-imx.git in the imx_2.6.35_maintain branch. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ -#include <linux/clk.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> - -#include <crypto/algapi.h> -#include <crypto/des.h> - -/* Secure Memory (SCM) registers */ -#define SCC_SCM_RED_START 0x0000 -#define SCC_SCM_BLACK_START 0x0004 -#define SCC_SCM_LENGTH 0x0008 -#define SCC_SCM_CTRL 0x000C -#define SCC_SCM_STATUS 0x0010 -#define SCC_SCM_ERROR_STATUS 0x0014 -#define SCC_SCM_INTR_CTRL 0x0018 -#define SCC_SCM_CFG 0x001C -#define SCC_SCM_INIT_VECTOR_0 0x0020 -#define SCC_SCM_INIT_VECTOR_1 0x0024 -#define SCC_SCM_RED_MEMORY 0x0400 -#define SCC_SCM_BLACK_MEMORY 0x0800 - -/* Security Monitor (SMN) Registers */ -#define SCC_SMN_STATUS 0x1000 -#define SCC_SMN_COMMAND 0x1004 -#define SCC_SMN_SEQ_START 0x1008 -#define SCC_SMN_SEQ_END 0x100C -#define SCC_SMN_SEQ_CHECK 0x1010 -#define SCC_SMN_BIT_COUNT 0x1014 -#define SCC_SMN_BITBANK_INC_SIZE 0x1018 -#define SCC_SMN_BITBANK_DECREMENT 0x101C -#define SCC_SMN_COMPARE_SIZE 0x1020 -#define SCC_SMN_PLAINTEXT_CHECK 0x1024 -#define SCC_SMN_CIPHERTEXT_CHECK 0x1028 -#define SCC_SMN_TIMER_IV 0x102C -#define SCC_SMN_TIMER_CONTROL 0x1030 -#define SCC_SMN_DEBUG_DETECT_STAT 0x1034 -#define SCC_SMN_TIMER 0x1038 - -#define SCC_SCM_CTRL_START_CIPHER BIT(2) -#define SCC_SCM_CTRL_CBC_MODE BIT(1) -#define SCC_SCM_CTRL_DECRYPT_MODE BIT(0) - -#define SCC_SCM_STATUS_LEN_ERR BIT(12) -#define SCC_SCM_STATUS_SMN_UNBLOCKED BIT(11) -#define SCC_SCM_STATUS_CIPHERING_DONE BIT(10) -#define SCC_SCM_STATUS_ZEROIZING_DONE BIT(9) -#define SCC_SCM_STATUS_INTR_STATUS BIT(8) -#define SCC_SCM_STATUS_SEC_KEY BIT(7) -#define SCC_SCM_STATUS_INTERNAL_ERR BIT(6) -#define SCC_SCM_STATUS_BAD_SEC_KEY BIT(5) -#define SCC_SCM_STATUS_ZEROIZE_FAIL BIT(4) -#define SCC_SCM_STATUS_SMN_BLOCKED BIT(3) -#define SCC_SCM_STATUS_CIPHERING BIT(2) -#define SCC_SCM_STATUS_ZEROIZING BIT(1) -#define SCC_SCM_STATUS_BUSY BIT(0) - -#define SCC_SMN_STATUS_STATE_MASK 0x0000001F -#define SCC_SMN_STATE_START 0x0 -/* The SMN is zeroizing its RAM during reset */ -#define SCC_SMN_STATE_ZEROIZE_RAM 0x5 -/* SMN has passed internal checks */ -#define SCC_SMN_STATE_HEALTH_CHECK 0x6 -/* Fatal Security Violation. SMN is locked, SCM is inoperative. */ -#define SCC_SMN_STATE_FAIL 0x9 -/* SCC is in secure state. SCM is using secret key. */ -#define SCC_SMN_STATE_SECURE 0xA -/* SCC is not secure. SCM is using default key. */ -#define SCC_SMN_STATE_NON_SECURE 0xC - -#define SCC_SCM_INTR_CTRL_ZEROIZE_MEM BIT(2) -#define SCC_SCM_INTR_CTRL_CLR_INTR BIT(1) -#define SCC_SCM_INTR_CTRL_MASK_INTR BIT(0) - -/* Size, in blocks, of Red memory. */ -#define SCC_SCM_CFG_BLACK_SIZE_MASK 0x07fe0000 -#define SCC_SCM_CFG_BLACK_SIZE_SHIFT 17 -/* Size, in blocks, of Black memory. */ -#define SCC_SCM_CFG_RED_SIZE_MASK 0x0001ff80 -#define SCC_SCM_CFG_RED_SIZE_SHIFT 7 -/* Number of bytes per block. */ -#define SCC_SCM_CFG_BLOCK_SIZE_MASK 0x0000007f - -#define SCC_SMN_COMMAND_TAMPER_LOCK BIT(4) -#define SCC_SMN_COMMAND_CLR_INTR BIT(3) -#define SCC_SMN_COMMAND_CLR_BIT_BANK BIT(2) -#define SCC_SMN_COMMAND_EN_INTR BIT(1) -#define SCC_SMN_COMMAND_SET_SOFTWARE_ALARM BIT(0) - -#define SCC_KEY_SLOTS 20 -#define SCC_MAX_KEY_SIZE 32 -#define SCC_KEY_SLOT_SIZE 32 - -#define SCC_CRC_CCITT_START 0xFFFF - -/* - * Offset into each RAM of the base of the area which is not - * used for Stored Keys. - */ -#define SCC_NON_RESERVED_OFFSET (SCC_KEY_SLOTS * SCC_KEY_SLOT_SIZE) - -/* Fixed padding for appending to plaintext to fill out a block */ -static char scc_block_padding[8] = { 0x80, 0, 0, 0, 0, 0, 0, 0 }; - -enum mxc_scc_state { - SCC_STATE_OK, - SCC_STATE_UNIMPLEMENTED, - SCC_STATE_FAILED -}; - -struct mxc_scc { - struct device *dev; - void __iomem *base; - struct clk *clk; - bool hw_busy; - spinlock_t lock; - struct crypto_queue queue; - struct crypto_async_request *req; - int block_size_bytes; - int black_ram_size_blocks; - int memory_size_bytes; - int bytes_remaining; - - void __iomem *red_memory; - void __iomem *black_memory; -}; - -struct mxc_scc_ctx { - struct mxc_scc *scc; - struct scatterlist *sg_src; - size_t src_nents; - struct scatterlist *sg_dst; - size_t dst_nents; - unsigned int offset; - unsigned int size; - unsigned int ctrl; -}; - -struct mxc_scc_crypto_tmpl { - struct mxc_scc *scc; - struct crypto_alg alg; -}; - -static int mxc_scc_get_data(struct mxc_scc_ctx *ctx, - struct crypto_async_request *req) -{ - struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req); - struct mxc_scc *scc = ctx->scc; - size_t len; - void __iomem *from; - - if (ctx->ctrl & SCC_SCM_CTRL_DECRYPT_MODE) - from = scc->red_memory; - else - from = scc->black_memory; - - dev_dbg(scc->dev, "pcopy: from 0x%p %zu bytes\n", from, - ctx->dst_nents * 8); - len = sg_pcopy_from_buffer(ablkreq->dst, ctx->dst_nents, - from, ctx->size, ctx->offset); - if (!len) { - dev_err(scc->dev, "pcopy err from 0x%p (len=%zu)\n", from, len); - return -EINVAL; - } - -#ifdef DEBUG - print_hex_dump(KERN_ERR, - "red memory@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - scc->red_memory, ctx->size, 1); - print_hex_dump(KERN_ERR, - "black memory@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - scc->black_memory, ctx->size, 1); -#endif - - ctx->offset += len; - - if (ctx->offset < ablkreq->nbytes) - return -EINPROGRESS; - - return 0; -} - -static int mxc_scc_ablkcipher_req_init(struct ablkcipher_request *req, - struct mxc_scc_ctx *ctx) -{ - struct mxc_scc *scc = ctx->scc; - int nents; - - nents = sg_nents_for_len(req->src, req->nbytes); - if (nents < 0) { - dev_err(scc->dev, "Invalid number of src SC"); - return nents; - } - ctx->src_nents = nents; - - nents = sg_nents_for_len(req->dst, req->nbytes); - if (nents < 0) { - dev_err(scc->dev, "Invalid number of dst SC"); - return nents; - } - ctx->dst_nents = nents; - - ctx->size = 0; - ctx->offset = 0; - - return 0; -} - -static int mxc_scc_ablkcipher_req_complete(struct crypto_async_request *req, - struct mxc_scc_ctx *ctx, - int result) -{ - struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req); - struct mxc_scc *scc = ctx->scc; - - scc->req = NULL; - scc->bytes_remaining = scc->memory_size_bytes; - - if (ctx->ctrl & SCC_SCM_CTRL_CBC_MODE) - memcpy(ablkreq->info, scc->base + SCC_SCM_INIT_VECTOR_0, - scc->block_size_bytes); - - req->complete(req, result); - scc->hw_busy = false; - - return 0; -} - -static int mxc_scc_put_data(struct mxc_scc_ctx *ctx, - struct ablkcipher_request *req) -{ - u8 padding_buffer[sizeof(u16) + sizeof(scc_block_padding)]; - size_t len = min_t(size_t, req->nbytes - ctx->offset, - ctx->scc->bytes_remaining); - unsigned int padding_byte_count = 0; - struct mxc_scc *scc = ctx->scc; - void __iomem *to; - - if (ctx->ctrl & SCC_SCM_CTRL_DECRYPT_MODE) - to = scc->black_memory; - else - to = scc->red_memory; - - if (ctx->ctrl & SCC_SCM_CTRL_CBC_MODE && req->info) - memcpy(scc->base + SCC_SCM_INIT_VECTOR_0, req->info, - scc->block_size_bytes); - - len = sg_pcopy_to_buffer(req->src, ctx->src_nents, - to, len, ctx->offset); - if (!len) { - dev_err(scc->dev, "pcopy err to 0x%p (len=%zu)\n", to, len); - return -EINVAL; - } - - ctx->size = len; - -#ifdef DEBUG - dev_dbg(scc->dev, "copied %d bytes to 0x%p\n", len, to); - print_hex_dump(KERN_ERR, - "init vector0@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - scc->base + SCC_SCM_INIT_VECTOR_0, scc->block_size_bytes, - 1); - print_hex_dump(KERN_ERR, - "red memory@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - scc->red_memory, ctx->size, 1); - print_hex_dump(KERN_ERR, - "black memory@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - scc->black_memory, ctx->size, 1); -#endif - - scc->bytes_remaining -= len; - - padding_byte_count = len % scc->block_size_bytes; - - if (padding_byte_count) { - memcpy(padding_buffer, scc_block_padding, padding_byte_count); - memcpy(to + len, padding_buffer, padding_byte_count); - ctx->size += padding_byte_count; - } - -#ifdef DEBUG - print_hex_dump(KERN_ERR, - "data to encrypt@"__stringify(__LINE__)": ", - DUMP_PREFIX_ADDRESS, 16, 4, - to, ctx->size, 1); -#endif - - return 0; -} - -static void mxc_scc_ablkcipher_next(struct mxc_scc_ctx *ctx, - struct crypto_async_request *req) -{ - struct ablkcipher_request *ablkreq = ablkcipher_request_cast(req); - struct mxc_scc *scc = ctx->scc; - int err; - - dev_dbg(scc->dev, "dispatch request (nbytes=%d, src=%p, dst=%p)\n", - ablkreq->nbytes, ablkreq->src, ablkreq->dst); - - writel(0, scc->base + SCC_SCM_ERROR_STATUS); - - err = mxc_scc_put_data(ctx, ablkreq); - if (err) { - mxc_scc_ablkcipher_req_complete(req, ctx, err); - return; - } - - dev_dbg(scc->dev, "Start encryption (0x%x/0x%x)\n", - readl(scc->base + SCC_SCM_RED_START), - readl(scc->base + SCC_SCM_BLACK_START)); - - /* clear interrupt control registers */ - writel(SCC_SCM_INTR_CTRL_CLR_INTR, - scc->base + SCC_SCM_INTR_CTRL); - - writel((ctx->size / ctx->scc->block_size_bytes) - 1, - scc->base + SCC_SCM_LENGTH); - - dev_dbg(scc->dev, "Process %d block(s) in 0x%p\n", - ctx->size / ctx->scc->block_size_bytes, - (ctx->ctrl & SCC_SCM_CTRL_DECRYPT_MODE) ? scc->black_memory : - scc->red_memory); - - writel(ctx->ctrl, scc->base + SCC_SCM_CTRL); -} - -static irqreturn_t mxc_scc_int(int irq, void *priv) -{ - struct crypto_async_request *req; - struct mxc_scc_ctx *ctx; - struct mxc_scc *scc = priv; - int status; - int ret; - - status = readl(scc->base + SCC_SCM_STATUS); - - /* clear interrupt control registers */ - writel(SCC_SCM_INTR_CTRL_CLR_INTR, scc->base + SCC_SCM_INTR_CTRL); - - if (status & SCC_SCM_STATUS_BUSY) - return IRQ_NONE; - - req = scc->req; - if (req) { - ctx = crypto_tfm_ctx(req->tfm); - ret = mxc_scc_get_data(ctx, req); - if (ret != -EINPROGRESS) - mxc_scc_ablkcipher_req_complete(req, ctx, ret); - else - mxc_scc_ablkcipher_next(ctx, req); - } - - return IRQ_HANDLED; -} - -static int mxc_scc_cra_init(struct crypto_tfm *tfm) -{ - struct mxc_scc_ctx *ctx = crypto_tfm_ctx(tfm); - struct crypto_alg *alg = tfm->__crt_alg; - struct mxc_scc_crypto_tmpl *algt; - - algt = container_of(alg, struct mxc_scc_crypto_tmpl, alg); - - ctx->scc = algt->scc; - return 0; -} - -static void mxc_scc_dequeue_req_unlocked(struct mxc_scc_ctx *ctx) -{ - struct crypto_async_request *req, *backlog; - - if (ctx->scc->hw_busy) - return; - - spin_lock_bh(&ctx->scc->lock); - backlog = crypto_get_backlog(&ctx->scc->queue); - req = crypto_dequeue_request(&ctx->scc->queue); - ctx->scc->req = req; - ctx->scc->hw_busy = true; - spin_unlock_bh(&ctx->scc->lock); - - if (!req) - return; - - if (backlog) - backlog->complete(backlog, -EINPROGRESS); - - mxc_scc_ablkcipher_next(ctx, req); -} - -static int mxc_scc_queue_req(struct mxc_scc_ctx *ctx, - struct crypto_async_request *req) -{ - int ret; - - spin_lock_bh(&ctx->scc->lock); - ret = crypto_enqueue_request(&ctx->scc->queue, req); - spin_unlock_bh(&ctx->scc->lock); - - if (ret != -EINPROGRESS) - return ret; - - mxc_scc_dequeue_req_unlocked(ctx); - - return -EINPROGRESS; -} - -static int mxc_scc_des3_op(struct mxc_scc_ctx *ctx, - struct ablkcipher_request *req) -{ - int err; - - err = mxc_scc_ablkcipher_req_init(req, ctx); - if (err) - return err; - - return mxc_scc_queue_req(ctx, &req->base); -} - -static int mxc_scc_ecb_des_encrypt(struct ablkcipher_request *req) -{ - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req); - struct mxc_scc_ctx *ctx = crypto_ablkcipher_ctx(cipher); - - ctx->ctrl = SCC_SCM_CTRL_START_CIPHER; - - return mxc_scc_des3_op(ctx, req); -} - -static int mxc_scc_ecb_des_decrypt(struct ablkcipher_request *req) -{ - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req); - struct mxc_scc_ctx *ctx = crypto_ablkcipher_ctx(cipher); - - ctx->ctrl = SCC_SCM_CTRL_START_CIPHER; - ctx->ctrl |= SCC_SCM_CTRL_DECRYPT_MODE; - - return mxc_scc_des3_op(ctx, req); -} - -static int mxc_scc_cbc_des_encrypt(struct ablkcipher_request *req) -{ - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req); - struct mxc_scc_ctx *ctx = crypto_ablkcipher_ctx(cipher); - - ctx->ctrl = SCC_SCM_CTRL_START_CIPHER; - ctx->ctrl |= SCC_SCM_CTRL_CBC_MODE; - - return mxc_scc_des3_op(ctx, req); -} - -static int mxc_scc_cbc_des_decrypt(struct ablkcipher_request *req) -{ - struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req); - struct mxc_scc_ctx *ctx = crypto_ablkcipher_ctx(cipher); - - ctx->ctrl = SCC_SCM_CTRL_START_CIPHER; - ctx->ctrl |= SCC_SCM_CTRL_CBC_MODE; - ctx->ctrl |= SCC_SCM_CTRL_DECRYPT_MODE; - - return mxc_scc_des3_op(ctx, req); -} - -static void mxc_scc_hw_init(struct mxc_scc *scc) -{ - int offset; - - offset = SCC_NON_RESERVED_OFFSET / scc->block_size_bytes; - - /* Fill the RED_START register */ - writel(offset, scc->base + SCC_SCM_RED_START); - - /* Fill the BLACK_START register */ - writel(offset, scc->base + SCC_SCM_BLACK_START); - - scc->red_memory = scc->base + SCC_SCM_RED_MEMORY + - SCC_NON_RESERVED_OFFSET; - - scc->black_memory = scc->base + SCC_SCM_BLACK_MEMORY + - SCC_NON_RESERVED_OFFSET; - - scc->bytes_remaining = scc->memory_size_bytes; -} - -static int mxc_scc_get_config(struct mxc_scc *scc) -{ - int config; - - config = readl(scc->base + SCC_SCM_CFG); - - scc->block_size_bytes = config & SCC_SCM_CFG_BLOCK_SIZE_MASK; - - scc->black_ram_size_blocks = config & SCC_SCM_CFG_BLACK_SIZE_MASK; - - scc->memory_size_bytes = (scc->block_size_bytes * - scc->black_ram_size_blocks) - - SCC_NON_RESERVED_OFFSET; - - return 0; -} - -static enum mxc_scc_state mxc_scc_get_state(struct mxc_scc *scc) -{ - enum mxc_scc_state state; - int status; - - status = readl(scc->base + SCC_SMN_STATUS) & - SCC_SMN_STATUS_STATE_MASK; - - /* If in Health Check, try to bringup to secure state */ - if (status & SCC_SMN_STATE_HEALTH_CHECK) { - /* - * Write a simple algorithm to the Algorithm Sequence - * Checker (ASC) - */ - writel(0xaaaa, scc->base + SCC_SMN_SEQ_START); - writel(0x5555, scc->base + SCC_SMN_SEQ_END); - writel(0x5555, scc->base + SCC_SMN_SEQ_CHECK); - - status = readl(scc->base + SCC_SMN_STATUS) & - SCC_SMN_STATUS_STATE_MASK; - } - - switch (status) { - case SCC_SMN_STATE_NON_SECURE: - case SCC_SMN_STATE_SECURE: - state = SCC_STATE_OK; - break; - case SCC_SMN_STATE_FAIL: - state = SCC_STATE_FAILED; - break; - default: - state = SCC_STATE_UNIMPLEMENTED; - break; - } - - return state; -} - -static struct mxc_scc_crypto_tmpl scc_ecb_des = { - .alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ecb-des3-scc", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct mxc_scc_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = mxc_scc_cra_init, - .cra_u.ablkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .encrypt = mxc_scc_ecb_des_encrypt, - .decrypt = mxc_scc_ecb_des_decrypt, - } - } -}; - -static struct mxc_scc_crypto_tmpl scc_cbc_des = { - .alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "cbc-des3-scc", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct mxc_scc_ctx), - .cra_alignmask = 0, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_init = mxc_scc_cra_init, - .cra_u.ablkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .encrypt = mxc_scc_cbc_des_encrypt, - .decrypt = mxc_scc_cbc_des_decrypt, - } - } -}; - -static struct mxc_scc_crypto_tmpl *scc_crypto_algs[] = { - &scc_ecb_des, - &scc_cbc_des, -}; - -static int mxc_scc_crypto_register(struct mxc_scc *scc) -{ - int i; - int err = 0; - - for (i = 0; i < ARRAY_SIZE(scc_crypto_algs); i++) { - scc_crypto_algs[i]->scc = scc; - err = crypto_register_alg(&scc_crypto_algs[i]->alg); - if (err) - goto err_out; - } - - return 0; - -err_out: - while (--i >= 0) - crypto_unregister_alg(&scc_crypto_algs[i]->alg); - - return err; -} - -static void mxc_scc_crypto_unregister(void) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(scc_crypto_algs); i++) - crypto_unregister_alg(&scc_crypto_algs[i]->alg); -} - -static int mxc_scc_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct resource *res; - struct mxc_scc *scc; - enum mxc_scc_state state; - int irq; - int ret; - int i; - - scc = devm_kzalloc(dev, sizeof(*scc), GFP_KERNEL); - if (!scc) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - scc->base = devm_ioremap_resource(dev, res); - if (IS_ERR(scc->base)) - return PTR_ERR(scc->base); - - scc->clk = devm_clk_get(&pdev->dev, "ipg"); - if (IS_ERR(scc->clk)) { - dev_err(dev, "Could not get ipg clock\n"); - return PTR_ERR(scc->clk); - } - - ret = clk_prepare_enable(scc->clk); - if (ret) - return ret; - - /* clear error status register */ - writel(0x0, scc->base + SCC_SCM_ERROR_STATUS); - - /* clear interrupt control registers */ - writel(SCC_SCM_INTR_CTRL_CLR_INTR | - SCC_SCM_INTR_CTRL_MASK_INTR, - scc->base + SCC_SCM_INTR_CTRL); - - writel(SCC_SMN_COMMAND_CLR_INTR | - SCC_SMN_COMMAND_EN_INTR, - scc->base + SCC_SMN_COMMAND); - - scc->dev = dev; - platform_set_drvdata(pdev, scc); - - ret = mxc_scc_get_config(scc); - if (ret) - goto err_out; - - state = mxc_scc_get_state(scc); - - if (state != SCC_STATE_OK) { - dev_err(dev, "SCC in unusable state %d\n", state); - ret = -EINVAL; - goto err_out; - } - - mxc_scc_hw_init(scc); - - spin_lock_init(&scc->lock); - /* FIXME: calculate queue from RAM slots */ - crypto_init_queue(&scc->queue, 50); - - for (i = 0; i < 2; i++) { - irq = platform_get_irq(pdev, i); - if (irq < 0) { - dev_err(dev, "failed to get irq resource: %d\n", irq); - ret = irq; - goto err_out; - } - - ret = devm_request_threaded_irq(dev, irq, NULL, mxc_scc_int, - IRQF_ONESHOT, dev_name(dev), scc); - if (ret) - goto err_out; - } - - ret = mxc_scc_crypto_register(scc); - if (ret) { - dev_err(dev, "could not register algorithms"); - goto err_out; - } - - dev_info(dev, "registered successfully.\n"); - - return 0; - -err_out: - clk_disable_unprepare(scc->clk); - - return ret; -} - -static int mxc_scc_remove(struct platform_device *pdev) -{ - struct mxc_scc *scc = platform_get_drvdata(pdev); - - mxc_scc_crypto_unregister(); - - clk_disable_unprepare(scc->clk); - - return 0; -} - -static const struct of_device_id mxc_scc_dt_ids[] = { - { .compatible = "fsl,imx25-scc", .data = NULL, }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, mxc_scc_dt_ids); - -static struct platform_driver mxc_scc_driver = { - .probe = mxc_scc_probe, - .remove = mxc_scc_remove, - .driver = { - .name = "mxc-scc", - .of_match_table = mxc_scc_dt_ids, - }, -}; - -module_platform_driver(mxc_scc_driver); -MODULE_AUTHOR("Steffen Trumtrar <kernel@pengutronix.de>"); -MODULE_DESCRIPTION("Freescale i.MX25 SCC Crypto driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index a2105cf33abb..b4429891e368 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -471,7 +471,7 @@ static int mxs_dcp_aes_enqueue(struct ablkcipher_request *req, int enc, int ecb) wake_up_process(sdcp->thread[actx->chan]); - return -EINPROGRESS; + return ret; } static int mxs_dcp_aes_ecb_decrypt(struct ablkcipher_request *req) @@ -700,11 +700,7 @@ static int dcp_chan_thread_sha(void *data) struct crypto_async_request *backlog; struct crypto_async_request *arq; - - struct dcp_sha_req_ctx *rctx; - - struct ahash_request *req; - int ret, fini; + int ret; while (!kthread_should_stop()) { set_current_state(TASK_INTERRUPTIBLE); @@ -725,11 +721,7 @@ static int dcp_chan_thread_sha(void *data) backlog->complete(backlog, -EINPROGRESS); if (arq) { - req = ahash_request_cast(arq); - rctx = ahash_request_ctx(req); - ret = dcp_sha_req_to_buf(arq); - fini = rctx->fini; arq->complete(arq, ret); } } @@ -797,7 +789,7 @@ static int dcp_sha_update_fx(struct ahash_request *req, int fini) wake_up_process(sdcp->thread[actx->chan]); mutex_unlock(&actx->mutex); - return -EINPROGRESS; + return ret; } static int dcp_sha_update(struct ahash_request *req) diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index 9450c41211b2..760e72a5893b 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* n2_core.c: Niagara2 Stream Processing Unit (SPU) crypto support. * * Copyright (C) 2010, 2011 David S. Miller <davem@davemloft.net> @@ -469,8 +470,6 @@ static int n2_hmac_async_setkey(struct crypto_ahash *tfm, const u8 *key, return err; shash->tfm = child_shash; - shash->flags = crypto_ahash_get_flags(tfm) & - CRYPTO_TFM_REQ_MAY_SLEEP; bs = crypto_shash_blocksize(child_shash); ds = crypto_shash_digestsize(child_shash); @@ -788,13 +787,18 @@ static int n2_3des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); struct n2_cipher_context *ctx = crypto_tfm_ctx(tfm); struct n2_cipher_alg *n2alg = n2_cipher_alg(tfm); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } ctx->enc_type = n2alg->enc_type; - if (keylen != (3 * DES_KEY_SIZE)) { - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } ctx->key_len = keylen; memcpy(ctx->key.des3, key, keylen); return 0; diff --git a/drivers/crypto/nx/Kconfig b/drivers/crypto/nx/Kconfig index cd5dda9c48f4..23e3d0160e67 100644 --- a/drivers/crypto/nx/Kconfig +++ b/drivers/crypto/nx/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_NX_ENCRYPT tristate "Encryption acceleration support on pSeries platform" diff --git a/drivers/crypto/nx/nx-842-pseries.c b/drivers/crypto/nx/nx-842-pseries.c index 66869976cfa2..5c4aa606208c 100644 --- a/drivers/crypto/nx/nx-842-pseries.c +++ b/drivers/crypto/nx/nx-842-pseries.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for IBM Power 842 compression accelerator * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * * Copyright (C) IBM Corporation, 2012 * * Authors: Robert Jennings <rcj@linux.vnet.ibm.com> @@ -296,7 +283,7 @@ static int nx842_pseries_compress(const unsigned char *in, unsigned int inlen, struct nx842_workmem *workmem; struct nx842_scatterlist slin, slout; struct nx_csbcpb *csbcpb; - int ret = 0, max_sync_size; + int ret = 0; unsigned long inbuf, outbuf; struct vio_pfo_op op = { .done = NULL, @@ -319,7 +306,6 @@ static int nx842_pseries_compress(const unsigned char *in, unsigned int inlen, rcu_read_unlock(); return -ENODEV; } - max_sync_size = local_devdata->max_sync_size; dev = local_devdata->dev; /* Init scatterlist */ @@ -427,7 +413,7 @@ static int nx842_pseries_decompress(const unsigned char *in, unsigned int inlen, struct nx842_workmem *workmem; struct nx842_scatterlist slin, slout; struct nx_csbcpb *csbcpb; - int ret = 0, max_sync_size; + int ret = 0; unsigned long inbuf, outbuf; struct vio_pfo_op op = { .done = NULL, @@ -451,7 +437,6 @@ static int nx842_pseries_decompress(const unsigned char *in, unsigned int inlen, rcu_read_unlock(); return -ENODEV; } - max_sync_size = local_devdata->max_sync_size; dev = local_devdata->dev; workmem = PTR_ALIGN(wmem, WORKMEM_ALIGN); diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c index d94e25df503b..f06565df2a12 100644 --- a/drivers/crypto/nx/nx-842.c +++ b/drivers/crypto/nx/nx-842.c @@ -353,7 +353,7 @@ static int decompress(struct nx842_crypto_ctx *ctx, unsigned int adj_slen = slen; u8 *src = p->in, *dst = p->out; u16 padding = be16_to_cpu(g->padding); - int ret, spadding = 0, dpadding = 0; + int ret, spadding = 0; ktime_t timeout; if (!slen || !required_len) @@ -413,7 +413,6 @@ usesw: spadding = 0; dst = p->out; dlen = p->oremain; - dpadding = 0; if (dlen < required_len) { /* have ignore bytes */ dst = ctx->dbounce; dlen = BOUNCE_BUFFER_SIZE; diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index ad3358e74f5c..8f5820b78a83 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -105,8 +105,7 @@ static int nx_xcbc_empty(struct shash_desc *desc, u8 *out) nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; atomic_inc(&(nx_ctx->stats->aes_ops)); @@ -134,8 +133,7 @@ static int nx_xcbc_empty(struct shash_desc *desc, u8 *out) nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; atomic_inc(&(nx_ctx->stats->aes_ops)); @@ -279,8 +277,7 @@ static int nx_xcbc_update(struct shash_desc *desc, goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; @@ -361,8 +358,7 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index a6764af83c6d..e06f0431dee5 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -162,8 +162,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; @@ -243,8 +242,7 @@ static int nx_sha256_final(struct shash_desc *desc, u8 *out) goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index 92956bc6e45e..0293b17903d0 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -166,8 +166,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; @@ -249,8 +248,7 @@ static int nx_sha512_final(struct shash_desc *desc, u8 *out) goto out; } - rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, - desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP); + rc = nx_hcall_sync(nx_ctx, &nx_ctx->op, 0); if (rc) goto out; diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 1ba2633e90d6..3d82d18ff810 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -656,9 +656,6 @@ static int omap_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(cipher); struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); - if (keylen != DES_KEY_SIZE && keylen != (3*DES_KEY_SIZE)) - return -EINVAL; - pr_debug("enter, keylen: %d\n", keylen); /* Do we need to test against weak key? */ @@ -678,6 +675,28 @@ static int omap_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, return 0; } +static int omap_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key, + unsigned int keylen) +{ + struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(cipher); + u32 flags; + int err; + + pr_debug("enter, keylen: %d\n", keylen); + + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } + + memcpy(ctx->key, key, keylen); + ctx->keylen = keylen; + + return 0; +} + static int omap_des_ecb_encrypt(struct ablkcipher_request *req) { return omap_des_crypt(req, FLAGS_ENCRYPT); @@ -788,7 +807,7 @@ static struct crypto_alg algs_ecb_cbc[] = { .cra_u.ablkcipher = { .min_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE, - .setkey = omap_des_setkey, + .setkey = omap_des3_setkey, .encrypt = omap_des_ecb_encrypt, .decrypt = omap_des_ecb_decrypt, } @@ -811,7 +830,7 @@ static struct crypto_alg algs_ecb_cbc[] = { .min_keysize = 3*DES_KEY_SIZE, .max_keysize = 3*DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, - .setkey = omap_des_setkey, + .setkey = omap_des3_setkey, .encrypt = omap_des_cbc_encrypt, .decrypt = omap_des_cbc_decrypt, } diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 0641185bd82f..51b20abac464 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -1055,7 +1055,6 @@ static int omap_sham_finish_hmac(struct ahash_request *req) SHASH_DESC_ON_STACK(shash, bctx->shash); shash->tfm = bctx->shash; - shash->flags = 0; /* not CRYPTO_TFM_REQ_MAY_SLEEP */ return crypto_shash_init(shash) ?: crypto_shash_update(shash, bctx->opad, bs) ?: @@ -1226,7 +1225,6 @@ static int omap_sham_shash_digest(struct crypto_shash *tfm, u32 flags, SHASH_DESC_ON_STACK(shash, tfm); shash->tfm = tfm; - shash->flags = flags & CRYPTO_TFM_REQ_MAY_SLEEP; return crypto_shash_digest(shash, data, len, out); } diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 09d823d36d3a..ad020133da19 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Cryptographic API. * diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c index 21e5cae0a1e0..e641481a3cd9 100644 --- a/drivers/crypto/padlock-sha.c +++ b/drivers/crypto/padlock-sha.c @@ -39,7 +39,6 @@ static int padlock_sha_init(struct shash_desc *desc) struct padlock_sha_ctx *ctx = crypto_shash_ctx(desc->tfm); dctx->fallback.tfm = ctx->fallback; - dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; return crypto_shash_init(&dctx->fallback); } @@ -48,7 +47,6 @@ static int padlock_sha_update(struct shash_desc *desc, { struct padlock_sha_desc *dctx = shash_desc_ctx(desc); - dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; return crypto_shash_update(&dctx->fallback, data, length); } @@ -65,7 +63,6 @@ static int padlock_sha_import(struct shash_desc *desc, const void *in) struct padlock_sha_ctx *ctx = crypto_shash_ctx(desc->tfm); dctx->fallback.tfm = ctx->fallback; - dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; return crypto_shash_import(&dctx->fallback, in); } @@ -91,7 +88,6 @@ static int padlock_sha1_finup(struct shash_desc *desc, const u8 *in, unsigned int leftover; int err; - dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; err = crypto_shash_export(&dctx->fallback, &state); if (err) goto out; @@ -153,7 +149,6 @@ static int padlock_sha256_finup(struct shash_desc *desc, const u8 *in, unsigned int leftover; int err; - dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP; err = crypto_shash_export(&dctx->fallback, &state); if (err) goto out; diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c index 1b3acdeffede..05b89e703903 100644 --- a/drivers/crypto/picoxcell_crypto.c +++ b/drivers/crypto/picoxcell_crypto.c @@ -753,11 +753,6 @@ static int spacc_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, struct spacc_ablk_ctx *ctx = crypto_tfm_ctx(tfm); u32 tmp[DES_EXPKEY_WORDS]; - if (len > DES3_EDE_KEY_SIZE) { - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - if (unlikely(!des_ekey(tmp, key)) && (crypto_ablkcipher_get_flags(cipher) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { @@ -772,6 +767,30 @@ static int spacc_des_setkey(struct crypto_ablkcipher *cipher, const u8 *key, } /* + * Set the 3DES key for a block cipher transform. This also performs weak key + * checking if the transform has requested it. + */ +static int spacc_des3_setkey(struct crypto_ablkcipher *cipher, const u8 *key, + unsigned int len) +{ + struct spacc_ablk_ctx *ctx = crypto_ablkcipher_ctx(cipher); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } + + memcpy(ctx->key, key, len); + ctx->key_len = len; + + return 0; +} + +/* * Set the key for an AES block cipher. Some key lengths are not supported in * hardware so this must also check whether a fallback is needed. */ @@ -1196,7 +1215,7 @@ static const struct dev_pm_ops spacc_pm_ops = { static inline struct spacc_engine *spacc_dev_to_engine(struct device *dev) { - return dev ? platform_get_drvdata(to_platform_device(dev)) : NULL; + return dev ? dev_get_drvdata(dev) : NULL; } static ssize_t spacc_stat_irq_thresh_show(struct device *dev, @@ -1353,7 +1372,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_type = &crypto_ablkcipher_type, .cra_module = THIS_MODULE, .cra_ablkcipher = { - .setkey = spacc_des_setkey, + .setkey = spacc_des3_setkey, .encrypt = spacc_ablk_encrypt, .decrypt = spacc_ablk_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, @@ -1380,7 +1399,7 @@ static struct spacc_alg ipsec_engine_algs[] = { .cra_type = &crypto_ablkcipher_type, .cra_module = THIS_MODULE, .cra_ablkcipher = { - .setkey = spacc_des_setkey, + .setkey = spacc_des3_setkey, .encrypt = spacc_ablk_encrypt, .decrypt = spacc_ablk_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, diff --git a/drivers/crypto/qat/Kconfig b/drivers/crypto/qat/Kconfig index ce3cae40f949..6ab7e5a88756 100644 --- a/drivers/crypto/qat/Kconfig +++ b/drivers/crypto/qat/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_QAT tristate select CRYPTO_AEAD diff --git a/drivers/crypto/qat/qat_c3xxx/Makefile b/drivers/crypto/qat/qat_c3xxx/Makefile index 822b5de58ec6..92ef416ccc78 100644 --- a/drivers/crypto/qat/qat_c3xxx/Makefile +++ b/drivers/crypto/qat/qat_c3xxx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx.o qat_c3xxx-objs := adf_drv.o adf_c3xxx_hw_data.o diff --git a/drivers/crypto/qat/qat_c3xxxvf/Makefile b/drivers/crypto/qat/qat_c3xxxvf/Makefile index 8f56d27c7479..b6d76825a92c 100644 --- a/drivers/crypto/qat/qat_c3xxxvf/Makefile +++ b/drivers/crypto/qat/qat_c3xxxvf/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf.o qat_c3xxxvf-objs := adf_drv.o adf_c3xxxvf_hw_data.o diff --git a/drivers/crypto/qat/qat_c62x/Makefile b/drivers/crypto/qat/qat_c62x/Makefile index 6dcd404578fc..d581f7c87d6c 100644 --- a/drivers/crypto/qat/qat_c62x/Makefile +++ b/drivers/crypto/qat/qat_c62x/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x.o qat_c62x-objs := adf_drv.o adf_c62x_hw_data.o diff --git a/drivers/crypto/qat/qat_c62xvf/Makefile b/drivers/crypto/qat/qat_c62xvf/Makefile index 1e5d51de778f..446c3d638605 100644 --- a/drivers/crypto/qat/qat_c62xvf/Makefile +++ b/drivers/crypto/qat/qat_c62xvf/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_C62XVF) += qat_c62xvf.o qat_c62xvf-objs := adf_drv.o adf_c62xvf_hw_data.o diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 975c75198f56..c8d401646902 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -164,7 +164,6 @@ static int qat_alg_do_precomputes(struct icp_qat_hw_auth_algo_blk *hash, memset(ctx->ipad, 0, block_size); memset(ctx->opad, 0, block_size); shash->tfm = ctx->hash_tfm; - shash->flags = 0x0; if (auth_keylen > block_size) { int ret = crypto_shash_digest(shash, auth_key, diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index c9f324730d71..692a7aaee749 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -1300,8 +1300,6 @@ static void qat_rsa_exit_tfm(struct crypto_akcipher *tfm) static struct akcipher_alg rsa = { .encrypt = qat_rsa_enc, .decrypt = qat_rsa_dec, - .sign = qat_rsa_dec, - .verify = qat_rsa_enc, .set_pub_key = qat_rsa_setpubkey, .set_priv_key = qat_rsa_setprivkey, .max_size = qat_rsa_max_size, diff --git a/drivers/crypto/qat/qat_dh895xcc/Makefile b/drivers/crypto/qat/qat_dh895xcc/Makefile index 0fc06b1e1632..38d6f8e1624a 100644 --- a/drivers/crypto/qat/qat_dh895xcc/Makefile +++ b/drivers/crypto/qat/qat_dh895xcc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc.o qat_dh895xcc-objs := adf_drv.o adf_dh895xcc_hw_data.o diff --git a/drivers/crypto/qat/qat_dh895xccvf/Makefile b/drivers/crypto/qat/qat_dh895xccvf/Makefile index 9ce906af6034..0153c85ce743 100644 --- a/drivers/crypto/qat/qat_dh895xccvf/Makefile +++ b/drivers/crypto/qat/qat_dh895xccvf/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only ccflags-y := -I $(srctree)/$(src)/../qat_common obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCCVF) += qat_dh895xccvf.o qat_dh895xccvf-objs := adf_drv.o adf_dh895xccvf_hw_data.o diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c index 154b6baa124e..8d3493855a70 100644 --- a/drivers/crypto/qce/ablkcipher.c +++ b/drivers/crypto/qce/ablkcipher.c @@ -198,6 +198,25 @@ weakkey: return -EINVAL; } +static int qce_des3_setkey(struct crypto_ablkcipher *ablk, const u8 *key, + unsigned int keylen) +{ + struct qce_cipher_ctx *ctx = crypto_ablkcipher_ctx(ablk); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(ablk); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(ablk, flags); + return err; + } + + ctx->enc_keylen = keylen; + memcpy(ctx->enc_key, key, keylen); + return 0; +} + static int qce_ablkcipher_crypt(struct ablkcipher_request *req, int encrypt) { struct crypto_tfm *tfm = @@ -363,7 +382,8 @@ static int qce_ablkcipher_register_one(const struct qce_ablkcipher_def *def, alg->cra_ablkcipher.ivsize = def->ivsize; alg->cra_ablkcipher.min_keysize = def->min_keysize; alg->cra_ablkcipher.max_keysize = def->max_keysize; - alg->cra_ablkcipher.setkey = qce_ablkcipher_setkey; + alg->cra_ablkcipher.setkey = IS_3DES(def->flags) ? + qce_des3_setkey : qce_ablkcipher_setkey; alg->cra_ablkcipher.encrypt = qce_ablkcipher_encrypt; alg->cra_ablkcipher.decrypt = qce_ablkcipher_decrypt; diff --git a/drivers/crypto/rockchip/Makefile b/drivers/crypto/rockchip/Makefile index 30f91297b4b6..6e23764e6c8a 100644 --- a/drivers/crypto/rockchip/Makefile +++ b/drivers/crypto/rockchip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rk_crypto.o rk_crypto-objs := rk3288_crypto.o \ rk3288_crypto_ablkcipher.o \ diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c index 02dac6ae7e53..313759521a0f 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c @@ -46,24 +46,36 @@ static int rk_aes_setkey(struct crypto_ablkcipher *cipher, return 0; } -static int rk_tdes_setkey(struct crypto_ablkcipher *cipher, - const u8 *key, unsigned int keylen) +static int rk_des_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int keylen) { struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); u32 tmp[DES_EXPKEY_WORDS]; - if (keylen != DES_KEY_SIZE && keylen != DES3_EDE_KEY_SIZE) { - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); + if (!des_ekey(tmp, key) && + (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { + tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; return -EINVAL; } - if (keylen == DES_KEY_SIZE) { - if (!des_ekey(tmp, key) && - (tfm->crt_flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; - } + ctx->keylen = keylen; + memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen); + return 0; +} + +static int rk_tdes_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int keylen) +{ + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; } ctx->keylen = keylen; @@ -250,9 +262,14 @@ static int rk_set_data_start(struct rk_crypto_info *dev) u8 *src_last_blk = page_address(sg_page(dev->sg_src)) + dev->sg_src->offset + dev->sg_src->length - ivsize; - /* store the iv that need to be updated in chain mode */ - if (ctx->mode & RK_CRYPTO_DEC) + /* Store the iv that need to be updated in chain mode. + * And update the IV buffer to contain the next IV for decryption mode. + */ + if (ctx->mode & RK_CRYPTO_DEC) { memcpy(ctx->iv, src_last_blk, ivsize); + sg_pcopy_to_buffer(dev->first, dev->src_nents, req->info, + ivsize, dev->total - ivsize); + } err = dev->load_data(dev, dev->sg_src, dev->sg_dst); if (!err) @@ -288,13 +305,19 @@ static void rk_iv_copyback(struct rk_crypto_info *dev) struct ablkcipher_request *req = ablkcipher_request_cast(dev->async_req); struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); u32 ivsize = crypto_ablkcipher_ivsize(tfm); - if (ivsize == DES_BLOCK_SIZE) - memcpy_fromio(req->info, dev->reg + RK_CRYPTO_TDES_IV_0, - ivsize); - else if (ivsize == AES_BLOCK_SIZE) - memcpy_fromio(req->info, dev->reg + RK_CRYPTO_AES_IV_0, ivsize); + /* Update the IV buffer to contain the next IV for encryption mode. */ + if (!(ctx->mode & RK_CRYPTO_DEC)) { + if (dev->aligned) { + memcpy(req->info, sg_virt(dev->sg_dst) + + dev->sg_dst->length - ivsize, ivsize); + } else { + memcpy(req->info, dev->addr_vir + + dev->count - ivsize, ivsize); + } + } } static void rk_update_iv(struct rk_crypto_info *dev) @@ -457,7 +480,7 @@ struct rk_crypto_tmp rk_ecb_des_alg = { .cra_u.ablkcipher = { .min_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE, - .setkey = rk_tdes_setkey, + .setkey = rk_des_setkey, .encrypt = rk_des_ecb_encrypt, .decrypt = rk_des_ecb_decrypt, } @@ -483,7 +506,7 @@ struct rk_crypto_tmp rk_cbc_des_alg = { .min_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, - .setkey = rk_tdes_setkey, + .setkey = rk_des_setkey, .encrypt = rk_des_cbc_encrypt, .decrypt = rk_des_cbc_decrypt, } diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 1afdcb81d8ed..9ef25230c199 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -1534,7 +1534,6 @@ static int s5p_hash_shash_digest(struct crypto_shash *tfm, u32 flags, SHASH_DESC_ON_STACK(shash, tfm); shash->tfm = tfm; - shash->flags = flags & ~CRYPTO_TFM_REQ_MAY_SLEEP; return crypto_shash_digest(shash, data, len, out); } diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index 8c32a3059b4a..fd11162a915e 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -354,7 +354,7 @@ static void sahara_decode_status(struct sahara_dev *dev, unsigned int status) { u8 state; - if (!IS_ENABLED(DEBUG)) + if (!__is_defined(DEBUG)) return; state = SAHARA_STATUS_GET_STATE(status); @@ -406,7 +406,7 @@ static void sahara_dump_descriptors(struct sahara_dev *dev) { int i; - if (!IS_ENABLED(DEBUG)) + if (!__is_defined(DEBUG)) return; for (i = 0; i < SAHARA_MAX_HW_DESC; i++) { @@ -427,7 +427,7 @@ static void sahara_dump_links(struct sahara_dev *dev) { int i; - if (!IS_ENABLED(DEBUG)) + if (!__is_defined(DEBUG)) return; for (i = 0; i < SAHARA_MAX_HW_LINK; i++) { diff --git a/drivers/crypto/stm32/Kconfig b/drivers/crypto/stm32/Kconfig index 63aa78c0b12b..d6576280fc9b 100644 --- a/drivers/crypto/stm32/Kconfig +++ b/drivers/crypto/stm32/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_STM32_CRC tristate "Support for STM32 crc accelerators" depends on ARCH_STM32 @@ -24,6 +25,7 @@ config CRYPTO_DEV_STM32_CRYP depends on ARCH_STM32 select CRYPTO_HASH select CRYPTO_ENGINE + select CRYPTO_DES help This enables support for the CRYP (AES/DES/TDES) hw accelerator which can be found on STMicroelectronics STM32 SOC. diff --git a/drivers/crypto/stm32/Makefile b/drivers/crypto/stm32/Makefile index 53d1bb94b221..ce77e38c77e0 100644 --- a/drivers/crypto/stm32/Makefile +++ b/drivers/crypto/stm32/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_STM32_CRC) += stm32_crc32.o obj-$(CONFIG_CRYPTO_DEV_STM32_HASH) += stm32-hash.o obj-$(CONFIG_CRYPTO_DEV_STM32_CRYP) += stm32-cryp.o diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 23b0b7bd64c7..cddcc97875b2 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -137,7 +137,6 @@ struct stm32_cryp { struct crypto_engine *engine; - struct mutex lock; /* protects req / areq */ struct ablkcipher_request *req; struct aead_request *areq; @@ -394,6 +393,23 @@ static void stm32_cryp_hw_write_iv(struct stm32_cryp *cryp, u32 *iv) } } +static void stm32_cryp_get_iv(struct stm32_cryp *cryp) +{ + struct ablkcipher_request *req = cryp->req; + u32 *tmp = req->info; + + if (!tmp) + return; + + *tmp++ = cpu_to_be32(stm32_cryp_read(cryp, CRYP_IV0LR)); + *tmp++ = cpu_to_be32(stm32_cryp_read(cryp, CRYP_IV0RR)); + + if (is_aes(cryp)) { + *tmp++ = cpu_to_be32(stm32_cryp_read(cryp, CRYP_IV1LR)); + *tmp++ = cpu_to_be32(stm32_cryp_read(cryp, CRYP_IV1RR)); + } +} + static void stm32_cryp_hw_write_key(struct stm32_cryp *c) { unsigned int i; @@ -623,6 +639,9 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err) /* Phase 4 : output tag */ err = stm32_cryp_read_auth_tag(cryp); + if (!err && (!(is_gcm(cryp) || is_ccm(cryp)))) + stm32_cryp_get_iv(cryp); + if (cryp->sgs_copied) { void *buf_in, *buf_out; int pages, len; @@ -645,18 +664,13 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err) pm_runtime_mark_last_busy(cryp->dev); pm_runtime_put_autosuspend(cryp->dev); - if (is_gcm(cryp) || is_ccm(cryp)) { + if (is_gcm(cryp) || is_ccm(cryp)) crypto_finalize_aead_request(cryp->engine, cryp->areq, err); - cryp->areq = NULL; - } else { + else crypto_finalize_ablkcipher_request(cryp->engine, cryp->req, err); - cryp->req = NULL; - } memset(cryp->ctx->key, 0, cryp->ctx->keylen); - - mutex_unlock(&cryp->lock); } static int stm32_cryp_cpu_start(struct stm32_cryp *cryp) @@ -753,19 +767,35 @@ static int stm32_cryp_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, static int stm32_cryp_des_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { + u32 tmp[DES_EXPKEY_WORDS]; + if (keylen != DES_KEY_SIZE) return -EINVAL; - else - return stm32_cryp_setkey(tfm, key, keylen); + + if ((crypto_ablkcipher_get_flags(tfm) & + CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) && + unlikely(!des_ekey(tmp, key))) { + crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_WEAK_KEY); + return -EINVAL; + } + + return stm32_cryp_setkey(tfm, key, keylen); } static int stm32_cryp_tdes_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != (3 * DES_KEY_SIZE)) - return -EINVAL; - else - return stm32_cryp_setkey(tfm, key, keylen); + u32 flags; + int err; + + flags = crypto_ablkcipher_get_flags(tfm); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(tfm, flags); + return err; + } + + return stm32_cryp_setkey(tfm, key, keylen); } static int stm32_cryp_aes_aead_setkey(struct crypto_aead *tfm, const u8 *key, @@ -917,8 +947,6 @@ static int stm32_cryp_prepare_req(struct ablkcipher_request *req, if (!cryp) return -ENODEV; - mutex_lock(&cryp->lock); - rctx = req ? ablkcipher_request_ctx(req) : aead_request_ctx(areq); rctx->mode &= FLG_MODE_MASK; @@ -930,6 +958,7 @@ static int stm32_cryp_prepare_req(struct ablkcipher_request *req, if (req) { cryp->req = req; + cryp->areq = NULL; cryp->total_in = req->nbytes; cryp->total_out = cryp->total_in; } else { @@ -955,6 +984,7 @@ static int stm32_cryp_prepare_req(struct ablkcipher_request *req, * <---------- total_out -----------------> */ cryp->areq = areq; + cryp->req = NULL; cryp->authsize = crypto_aead_authsize(crypto_aead_reqtfm(areq)); cryp->total_in = areq->assoclen + areq->cryptlen; if (is_encrypt(cryp)) @@ -976,19 +1006,19 @@ static int stm32_cryp_prepare_req(struct ablkcipher_request *req, if (cryp->in_sg_len < 0) { dev_err(cryp->dev, "Cannot get in_sg_len\n"); ret = cryp->in_sg_len; - goto out; + return ret; } cryp->out_sg_len = sg_nents_for_len(cryp->out_sg, cryp->total_out); if (cryp->out_sg_len < 0) { dev_err(cryp->dev, "Cannot get out_sg_len\n"); ret = cryp->out_sg_len; - goto out; + return ret; } ret = stm32_cryp_copy_sgs(cryp); if (ret) - goto out; + return ret; scatterwalk_start(&cryp->in_walk, cryp->in_sg); scatterwalk_start(&cryp->out_walk, cryp->out_sg); @@ -1000,10 +1030,6 @@ static int stm32_cryp_prepare_req(struct ablkcipher_request *req, } ret = stm32_cryp_hw_init(cryp); -out: - if (ret) - mutex_unlock(&cryp->lock); - return ret; } @@ -1943,8 +1969,6 @@ static int stm32_cryp_probe(struct platform_device *pdev) cryp->dev = dev; - mutex_init(&cryp->lock); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); cryp->regs = devm_ioremap_resource(dev, res); if (IS_ERR(cryp->regs)) diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index 4a6cc8a3045d..bfc49e67124b 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -181,8 +181,6 @@ struct stm32_hash_dev { u32 dma_mode; u32 dma_maxburst; - spinlock_t lock; /* lock to protect queue */ - struct ahash_request *req; struct crypto_engine *engine; @@ -977,7 +975,7 @@ static int stm32_hash_export(struct ahash_request *req, void *out) pm_runtime_get_sync(hdev->dev); - while (!(stm32_hash_read(hdev, HASH_SR) & HASH_SR_DATA_INPUT_READY)) + while ((stm32_hash_read(hdev, HASH_SR) & HASH_SR_BUSY)) cpu_relax(); rctx->hw_context = kmalloc_array(3 + HASH_CSR_REGISTER_NUMBER, diff --git a/drivers/crypto/sunxi-ss/Makefile b/drivers/crypto/sunxi-ss/Makefile index ccb893219079..c0a2797d3168 100644 --- a/drivers/crypto/sunxi-ss/Makefile +++ b/drivers/crypto/sunxi-ss/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CRYPTO_DEV_SUN4I_SS) += sun4i-ss.o sun4i-ss-y += sun4i-ss-core.o sun4i-ss-hash.o sun4i-ss-cipher.o sun4i-ss-$(CONFIG_CRYPTO_DEV_SUN4I_SS_PRNG) += sun4i-ss-prng.o diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c index 54fd714d53ca..b060a0810934 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c @@ -41,11 +41,6 @@ static int sun4i_ss_opti_poll(struct skcipher_request *areq) if (!areq->cryptlen) return 0; - if (!areq->iv) { - dev_err_ratelimited(ss->dev, "ERROR: Empty IV\n"); - return -EINVAL; - } - if (!areq->src || !areq->dst) { dev_err_ratelimited(ss->dev, "ERROR: Some SGs are NULL\n"); return -EINVAL; @@ -134,6 +129,8 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) struct scatterlist *out_sg = areq->dst; unsigned int ivsize = crypto_skcipher_ivsize(tfm); struct sun4i_cipher_req_ctx *ctx = skcipher_request_ctx(areq); + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + struct sun4i_ss_alg_template *algt; u32 mode = ctx->mode; /* when activating SS, the default FIFO space is SS_RX_DEFAULT(32) */ u32 rx_cnt = SS_RX_DEFAULT; @@ -153,20 +150,20 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) unsigned int obo = 0; /* offset in bufo*/ unsigned int obl = 0; /* length of data in bufo */ unsigned long flags; + bool need_fallback; if (!areq->cryptlen) return 0; - if (!areq->iv) { - dev_err_ratelimited(ss->dev, "ERROR: Empty IV\n"); - return -EINVAL; - } - if (!areq->src || !areq->dst) { dev_err_ratelimited(ss->dev, "ERROR: Some SGs are NULL\n"); return -EINVAL; } + algt = container_of(alg, struct sun4i_ss_alg_template, alg.crypto); + if (areq->cryptlen % algt->alg.crypto.base.cra_blocksize) + need_fallback = true; + /* * if we have only SGs with size multiple of 4, * we can use the SS optimized function @@ -182,9 +179,24 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq) out_sg = sg_next(out_sg); } - if (no_chunk == 1) + if (no_chunk == 1 && !need_fallback) return sun4i_ss_opti_poll(areq); + if (need_fallback) { + SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, op->fallback_tfm); + skcipher_request_set_sync_tfm(subreq, op->fallback_tfm); + skcipher_request_set_callback(subreq, areq->base.flags, NULL, + NULL); + skcipher_request_set_crypt(subreq, areq->src, areq->dst, + areq->cryptlen, areq->iv); + if (ctx->mode & SS_DECRYPTION) + err = crypto_skcipher_decrypt(subreq); + else + err = crypto_skcipher_encrypt(subreq); + skcipher_request_zero(subreq); + return err; + } + spin_lock_irqsave(&ss->slock, flags); for (i = 0; i < op->keylen; i += 4) @@ -458,6 +470,7 @@ int sun4i_ss_cipher_init(struct crypto_tfm *tfm) { struct sun4i_tfm_ctx *op = crypto_tfm_ctx(tfm); struct sun4i_ss_alg_template *algt; + const char *name = crypto_tfm_alg_name(tfm); memset(op, 0, sizeof(struct sun4i_tfm_ctx)); @@ -468,9 +481,22 @@ int sun4i_ss_cipher_init(struct crypto_tfm *tfm) crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), sizeof(struct sun4i_cipher_req_ctx)); + op->fallback_tfm = crypto_alloc_sync_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK); + if (IS_ERR(op->fallback_tfm)) { + dev_err(op->ss->dev, "ERROR: Cannot allocate fallback for %s %ld\n", + name, PTR_ERR(op->fallback_tfm)); + return PTR_ERR(op->fallback_tfm); + } + return 0; } +void sun4i_ss_cipher_exit(struct crypto_tfm *tfm) +{ + struct sun4i_tfm_ctx *op = crypto_tfm_ctx(tfm); + crypto_free_sync_skcipher(op->fallback_tfm); +} + /* check and set the AES key, prepare the mode to be used */ int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) @@ -495,7 +521,11 @@ int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, } op->keylen = keylen; memcpy(op->key, key, keylen); - return 0; + + crypto_sync_skcipher_clear_flags(op->fallback_tfm, CRYPTO_TFM_REQ_MASK); + crypto_sync_skcipher_set_flags(op->fallback_tfm, tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK); + + return crypto_sync_skcipher_setkey(op->fallback_tfm, key, keylen); } /* check and set the DES key, prepare the mode to be used */ @@ -525,7 +555,11 @@ int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key, op->keylen = keylen; memcpy(op->key, key, keylen); - return 0; + + crypto_sync_skcipher_clear_flags(op->fallback_tfm, CRYPTO_TFM_REQ_MASK); + crypto_sync_skcipher_set_flags(op->fallback_tfm, tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK); + + return crypto_sync_skcipher_setkey(op->fallback_tfm, key, keylen); } /* check and set the 3DES key, prepare the mode to be used */ @@ -533,14 +567,18 @@ int sun4i_ss_des3_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { struct sun4i_tfm_ctx *op = crypto_skcipher_ctx(tfm); - struct sun4i_ss_ctx *ss = op->ss; + int err; + + err = des3_verify_key(tfm, key); + if (unlikely(err)) + return err; - if (unlikely(keylen != 3 * DES_KEY_SIZE)) { - dev_err(ss->dev, "Invalid keylen %u\n", keylen); - crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } op->keylen = keylen; memcpy(op->key, key, keylen); - return 0; + + crypto_sync_skcipher_clear_flags(op->fallback_tfm, CRYPTO_TFM_REQ_MASK); + crypto_sync_skcipher_set_flags(op->fallback_tfm, tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK); + + return crypto_sync_skcipher_setkey(op->fallback_tfm, key, keylen); + } diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-core.c b/drivers/crypto/sunxi-ss/sun4i-ss-core.c index 89adf9e0fed2..05b3d3c32f6d 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-core.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-core.c @@ -92,11 +92,12 @@ static struct sun4i_ss_alg_template ss_algs[] = { .cra_driver_name = "cbc-aes-sun4i-ss", .cra_priority = 300, .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_tfm_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, @@ -107,17 +108,17 @@ static struct sun4i_ss_alg_template ss_algs[] = { .decrypt = sun4i_ss_ecb_aes_decrypt, .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, .base = { .cra_name = "ecb(aes)", .cra_driver_name = "ecb-aes-sun4i-ss", .cra_priority = 300, .cra_blocksize = AES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_tfm_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, @@ -134,11 +135,12 @@ static struct sun4i_ss_alg_template ss_algs[] = { .cra_driver_name = "cbc-des-sun4i-ss", .cra_priority = 300, .cra_blocksize = DES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_req_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, @@ -154,11 +156,12 @@ static struct sun4i_ss_alg_template ss_algs[] = { .cra_driver_name = "ecb-des-sun4i-ss", .cra_priority = 300, .cra_blocksize = DES_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_req_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, @@ -175,11 +178,12 @@ static struct sun4i_ss_alg_template ss_algs[] = { .cra_driver_name = "cbc-des3-sun4i-ss", .cra_priority = 300, .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_req_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, @@ -190,16 +194,17 @@ static struct sun4i_ss_alg_template ss_algs[] = { .decrypt = sun4i_ss_ecb_des3_decrypt, .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, - .ivsize = DES3_EDE_BLOCK_SIZE, .base = { .cra_name = "ecb(des3_ede)", .cra_driver_name = "ecb-des3-sun4i-ss", .cra_priority = 300, .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_flags = CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_NEED_FALLBACK, .cra_ctxsize = sizeof(struct sun4i_req_ctx), .cra_module = THIS_MODULE, .cra_alignmask = 3, .cra_init = sun4i_ss_cipher_init, + .cra_exit = sun4i_ss_cipher_exit, } } }, diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c index a4b5ff2b72f8..f6936bb3b7be 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c @@ -240,7 +240,10 @@ static int sun4i_hash(struct ahash_request *areq) } } else { /* Since we have the flag final, we can go up to modulo 4 */ - end = ((areq->nbytes + op->len) / 4) * 4 - op->len; + if (areq->nbytes < 4) + end = 0; + else + end = ((areq->nbytes + op->len) / 4) * 4 - op->len; } /* TODO if SGlen % 4 and !op->len then DMA */ diff --git a/drivers/crypto/sunxi-ss/sun4i-ss.h b/drivers/crypto/sunxi-ss/sun4i-ss.h index f3ac90692ac6..8c4ec9e93565 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss.h +++ b/drivers/crypto/sunxi-ss/sun4i-ss.h @@ -161,6 +161,7 @@ struct sun4i_tfm_ctx { u32 keylen; u32 keymode; struct sun4i_ss_ctx *ss; + struct crypto_sync_skcipher *fallback_tfm; }; struct sun4i_cipher_req_ctx { @@ -203,6 +204,7 @@ int sun4i_ss_ecb_des3_encrypt(struct skcipher_request *areq); int sun4i_ss_ecb_des3_decrypt(struct skcipher_request *areq); int sun4i_ss_cipher_init(struct crypto_tfm *tfm); +void sun4i_ss_cipher_exit(struct crypto_tfm *tfm); int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen); int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key, diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index de78b54bcfb1..1d429fc073d1 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -913,6 +913,54 @@ badkey: return -EINVAL; } +static int aead_des3_setkey(struct crypto_aead *authenc, + const u8 *key, unsigned int keylen) +{ + struct talitos_ctx *ctx = crypto_aead_ctx(authenc); + struct device *dev = ctx->dev; + struct crypto_authenc_keys keys; + u32 flags; + int err; + + err = crypto_authenc_extractkeys(&keys, key, keylen); + if (unlikely(err)) + goto badkey; + + err = -EINVAL; + if (keys.authkeylen + keys.enckeylen > TALITOS_MAX_KEY_SIZE) + goto badkey; + + if (keys.enckeylen != DES3_EDE_KEY_SIZE) + goto badkey; + + flags = crypto_aead_get_flags(authenc); + err = __des3_verify_key(&flags, keys.enckey); + if (unlikely(err)) { + crypto_aead_set_flags(authenc, flags); + goto out; + } + + if (ctx->keylen) + dma_unmap_single(dev, ctx->dma_key, ctx->keylen, DMA_TO_DEVICE); + + memcpy(ctx->key, keys.authkey, keys.authkeylen); + memcpy(&ctx->key[keys.authkeylen], keys.enckey, keys.enckeylen); + + ctx->keylen = keys.authkeylen + keys.enckeylen; + ctx->enckeylen = keys.enckeylen; + ctx->authkeylen = keys.authkeylen; + ctx->dma_key = dma_map_single(dev, ctx->key, ctx->keylen, + DMA_TO_DEVICE); + +out: + memzero_explicit(&keys, sizeof(keys)); + return err; + +badkey: + crypto_aead_set_flags(authenc, CRYPTO_TFM_RES_BAD_KEY_LEN); + goto out; +} + /* * talitos_edesc - s/w-extended descriptor * @src_nents: number of segments in input scatterlist @@ -1527,12 +1575,22 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher, { struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher); struct device *dev = ctx->dev; - u32 tmp[DES_EXPKEY_WORDS]; - if (keylen > TALITOS_MAX_KEY_SIZE) { - crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } + if (ctx->keylen) + dma_unmap_single(dev, ctx->dma_key, ctx->keylen, DMA_TO_DEVICE); + + memcpy(&ctx->key, key, keylen); + ctx->keylen = keylen; + + ctx->dma_key = dma_map_single(dev, ctx->key, keylen, DMA_TO_DEVICE); + + return 0; +} + +static int ablkcipher_des_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int keylen) +{ + u32 tmp[DES_EXPKEY_WORDS]; if (unlikely(crypto_ablkcipher_get_flags(cipher) & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS) && @@ -1541,15 +1599,23 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher, return -EINVAL; } - if (ctx->keylen) - dma_unmap_single(dev, ctx->dma_key, ctx->keylen, DMA_TO_DEVICE); + return ablkcipher_setkey(cipher, key, keylen); +} - memcpy(&ctx->key, key, keylen); - ctx->keylen = keylen; +static int ablkcipher_des3_setkey(struct crypto_ablkcipher *cipher, + const u8 *key, unsigned int keylen) +{ + u32 flags; + int err; - ctx->dma_key = dma_map_single(dev, ctx->key, keylen, DMA_TO_DEVICE); + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; + } - return 0; + return ablkcipher_setkey(cipher, key, keylen); } static void common_nonsnoop_unmap(struct device *dev, @@ -2313,6 +2379,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2336,6 +2403,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU | DESC_HDR_SEL0_DEU | @@ -2399,6 +2467,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2422,6 +2491,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU | DESC_HDR_SEL0_DEU | @@ -2485,6 +2555,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2508,6 +2579,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU | DESC_HDR_SEL0_DEU | @@ -2550,6 +2622,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA384_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2592,6 +2665,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA512_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2654,6 +2728,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_IPSEC_ESP | DESC_HDR_SEL0_DEU | @@ -2676,6 +2751,7 @@ static struct talitos_alg_template driver_algs[] = { }, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, + .setkey = aead_des3_setkey, }, .desc_hdr_template = DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU | DESC_HDR_SEL0_DEU | @@ -2748,6 +2824,7 @@ static struct talitos_alg_template driver_algs[] = { .min_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, + .setkey = ablkcipher_des_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2764,6 +2841,7 @@ static struct talitos_alg_template driver_algs[] = { .min_keysize = DES_KEY_SIZE, .max_keysize = DES_KEY_SIZE, .ivsize = DES_BLOCK_SIZE, + .setkey = ablkcipher_des_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2781,6 +2859,7 @@ static struct talitos_alg_template driver_algs[] = { .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = ablkcipher_des3_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2798,6 +2877,7 @@ static struct talitos_alg_template driver_algs[] = { .min_keysize = DES3_EDE_KEY_SIZE, .max_keysize = DES3_EDE_KEY_SIZE, .ivsize = DES3_EDE_BLOCK_SIZE, + .setkey = ablkcipher_des3_setkey, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -3144,7 +3224,8 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev, alg->cra_init = talitos_cra_init; alg->cra_exit = talitos_cra_exit; alg->cra_type = &crypto_ablkcipher_type; - alg->cra_ablkcipher.setkey = ablkcipher_setkey; + alg->cra_ablkcipher.setkey = alg->cra_ablkcipher.setkey ?: + ablkcipher_setkey; alg->cra_ablkcipher.encrypt = ablkcipher_encrypt; alg->cra_ablkcipher.decrypt = ablkcipher_decrypt; break; @@ -3152,7 +3233,8 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev, alg = &t_alg->algt.alg.aead.base; alg->cra_exit = talitos_cra_exit; t_alg->algt.alg.aead.init = talitos_cra_init_aead; - t_alg->algt.alg.aead.setkey = aead_setkey; + t_alg->algt.alg.aead.setkey = t_alg->algt.alg.aead.setkey ?: + aead_setkey; t_alg->algt.alg.aead.encrypt = aead_encrypt; t_alg->algt.alg.aead.decrypt = aead_decrypt; if (!(priv->features & TALITOS_FTR_SHA224_HWINIT) && diff --git a/drivers/crypto/ux500/cryp/Makefile b/drivers/crypto/ux500/cryp/Makefile index b497ae3dde07..dc8fff29c4b3 100644 --- a/drivers/crypto/ux500/cryp/Makefile +++ b/drivers/crypto/ux500/cryp/Makefile @@ -3,11 +3,7 @@ # * Author: shujuan.chen@stericsson.com for ST-Ericsson. # * License terms: GNU General Public License (GPL) version 2 */ -ifdef CONFIG_CRYPTO_DEV_UX500_DEBUG -CFLAGS_cryp_core.o := -DDEBUG -CFLAGS_cryp.o := -DDEBUG -CFLAGS_cryp_irq.o := -DDEBUG -endif +ccflags-$(CONFIG_CRYPTO_DEV_UX500_DEBUG) += -DDEBUG obj-$(CONFIG_CRYPTO_DEV_UX500_CRYP) += ux500_cryp.o ux500_cryp-objs := cryp.o cryp_irq.o cryp_core.o diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c index 3235611928f2..7a93cba0877f 100644 --- a/drivers/crypto/ux500/cryp/cryp_core.c +++ b/drivers/crypto/ux500/cryp/cryp_core.c @@ -1019,37 +1019,16 @@ static int des3_ablkcipher_setkey(struct crypto_ablkcipher *cipher, const u8 *key, unsigned int keylen) { struct cryp_ctx *ctx = crypto_ablkcipher_ctx(cipher); - u32 *flags = &cipher->base.crt_flags; - const u32 *K = (const u32 *)key; - u32 tmp[DES3_EDE_EXPKEY_WORDS]; - int i, ret; + u32 flags; + int err; pr_debug(DEV_DBG_NAME " [%s]", __func__); - if (keylen != DES3_EDE_KEY_SIZE) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_BAD_KEY_LEN", - __func__); - return -EINVAL; - } - /* Checking key interdependency for weak key detection. */ - if (unlikely(!((K[0] ^ K[2]) | (K[1] ^ K[3])) || - !((K[2] ^ K[4]) | (K[3] ^ K[5]))) && - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_WEAK_KEY", - __func__); - return -EINVAL; - } - for (i = 0; i < 3; i++) { - ret = des_ekey(tmp, key + i*DES_KEY_SIZE); - if (unlikely(ret == 0) && - (*flags & CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - pr_debug(DEV_DBG_NAME " [%s]: CRYPTO_TFM_RES_WEAK_KEY", - __func__); - return -EINVAL; - } + flags = crypto_ablkcipher_get_flags(cipher); + err = __des3_verify_key(&flags, key); + if (unlikely(err)) { + crypto_ablkcipher_set_flags(cipher, flags); + return err; } memcpy(ctx->key, key, keylen); @@ -1219,57 +1198,6 @@ static struct cryp_algo_template cryp_algs[] = { { .algomode = CRYP_ALGO_DES_ECB, .crypto = { - .cra_name = "des", - .cra_driver_name = "des-ux500", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct cryp_ctx), - .cra_alignmask = 3, - .cra_type = &crypto_ablkcipher_type, - .cra_init = cryp_cra_init, - .cra_module = THIS_MODULE, - .cra_u = { - .ablkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = des_ablkcipher_setkey, - .encrypt = cryp_blk_encrypt, - .decrypt = cryp_blk_decrypt - } - } - } - - }, - { - .algomode = CRYP_ALGO_TDES_ECB, - .crypto = { - .cra_name = "des3_ede", - .cra_driver_name = "des3_ede-ux500", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct cryp_ctx), - .cra_alignmask = 3, - .cra_type = &crypto_ablkcipher_type, - .cra_init = cryp_cra_init, - .cra_module = THIS_MODULE, - .cra_u = { - .ablkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .setkey = des_ablkcipher_setkey, - .encrypt = cryp_blk_encrypt, - .decrypt = cryp_blk_decrypt - } - } - } - }, - { - .algomode = CRYP_ALGO_DES_ECB, - .crypto = { .cra_name = "ecb(des)", .cra_driver_name = "ecb-des-ux500", .cra_priority = 300, diff --git a/drivers/crypto/virtio/Kconfig b/drivers/crypto/virtio/Kconfig index a4324b1383a4..01b625e4e5ad 100644 --- a/drivers/crypto/virtio/Kconfig +++ b/drivers/crypto/virtio/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_VIRTIO tristate "VirtIO crypto driver" depends on VIRTIO diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index 0704833ece92..10f266d462d6 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Algorithms supported by virtio crypto device * * Authors: Gonglei <arei.gonglei@huawei.com> * * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/scatterlist.h> diff --git a/drivers/crypto/virtio/virtio_crypto_common.h b/drivers/crypto/virtio/virtio_crypto_common.h index 63ef7f7924ea..1c6e00da5a29 100644 --- a/drivers/crypto/virtio/virtio_crypto_common.h +++ b/drivers/crypto/virtio/virtio_crypto_common.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Common header for Virtio crypto device. * * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _VIRTIO_CRYPTO_COMMON_H diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 3c9e120287af..c8a962c62663 100644 --- a/drivers/crypto/virtio/virtio_crypto_core.c +++ b/drivers/crypto/virtio/virtio_crypto_core.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Driver for Virtio crypto device. * * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/err.h> diff --git a/drivers/crypto/virtio/virtio_crypto_mgr.c b/drivers/crypto/virtio/virtio_crypto_mgr.c index d70de3a4f7d7..6860f8180c7c 100644 --- a/drivers/crypto/virtio/virtio_crypto_mgr.c +++ b/drivers/crypto/virtio/virtio_crypto_mgr.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Management for virtio crypto devices (refer to adf_dev_mgr.c) * * Copyright 2016 HUAWEI TECHNOLOGIES CO., LTD. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include <linux/mutex.h> diff --git a/drivers/crypto/vmx/Kconfig b/drivers/crypto/vmx/Kconfig index c3d524ea6998..c85fab7ef0bd 100644 --- a/drivers/crypto/vmx/Kconfig +++ b/drivers/crypto/vmx/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config CRYPTO_DEV_VMX_ENCRYPT tristate "Encryption acceleration support on P8 CPU" depends on CRYPTO_DEV_VMX diff --git a/drivers/crypto/vmx/aes.c b/drivers/crypto/vmx/aes.c index d7316f7a3a69..603a62081994 100644 --- a/drivers/crypto/vmx/aes.c +++ b/drivers/crypto/vmx/aes.c @@ -23,9 +23,10 @@ #include <linux/err.h> #include <linux/crypto.h> #include <linux/delay.h> -#include <linux/hardirq.h> +#include <asm/simd.h> #include <asm/switch_to.h> #include <crypto/aes.h> +#include <crypto/internal/simd.h> #include "aesp8-ppc.h" @@ -78,20 +79,21 @@ static int p8_aes_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_disable(); enable_kernel_vsx(); ret = aes_p8_set_encrypt_key(key, keylen * 8, &ctx->enc_key); - ret += aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key); + ret |= aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key); disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - ret += crypto_cipher_setkey(ctx->fallback, key, keylen); - return ret; + ret |= crypto_cipher_setkey(ctx->fallback, key, keylen); + + return ret ? -EINVAL : 0; } static void p8_aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct p8_aes_ctx *ctx = crypto_tfm_ctx(tfm); - if (in_interrupt()) { + if (!crypto_simd_usable()) { crypto_cipher_encrypt_one(ctx->fallback, dst, src); } else { preempt_disable(); @@ -108,7 +110,7 @@ static void p8_aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct p8_aes_ctx *ctx = crypto_tfm_ctx(tfm); - if (in_interrupt()) { + if (!crypto_simd_usable()) { crypto_cipher_decrypt_one(ctx->fallback, dst, src); } else { preempt_disable(); diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c index c5c5ff82b52e..a1a9a6f0d42c 100644 --- a/drivers/crypto/vmx/aes_cbc.c +++ b/drivers/crypto/vmx/aes_cbc.c @@ -23,9 +23,10 @@ #include <linux/err.h> #include <linux/crypto.h> #include <linux/delay.h> -#include <linux/hardirq.h> +#include <asm/simd.h> #include <asm/switch_to.h> #include <crypto/aes.h> +#include <crypto/internal/simd.h> #include <crypto/scatterwalk.h> #include <crypto/skcipher.h> @@ -81,13 +82,14 @@ static int p8_aes_cbc_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_disable(); enable_kernel_vsx(); ret = aes_p8_set_encrypt_key(key, keylen * 8, &ctx->enc_key); - ret += aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key); + ret |= aes_p8_set_decrypt_key(key, keylen * 8, &ctx->dec_key); disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - ret += crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); - return ret; + ret |= crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); + + return ret ? -EINVAL : 0; } static int p8_aes_cbc_encrypt(struct blkcipher_desc *desc, @@ -99,7 +101,7 @@ static int p8_aes_cbc_encrypt(struct blkcipher_desc *desc, struct p8_aes_cbc_ctx *ctx = crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm)); - if (in_interrupt()) { + if (!crypto_simd_usable()) { SYNC_SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback); skcipher_request_set_sync_tfm(req, ctx->fallback); skcipher_request_set_callback(req, desc->flags, NULL, NULL); @@ -138,7 +140,7 @@ static int p8_aes_cbc_decrypt(struct blkcipher_desc *desc, struct p8_aes_cbc_ctx *ctx = crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm)); - if (in_interrupt()) { + if (!crypto_simd_usable()) { SYNC_SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback); skcipher_request_set_sync_tfm(req, ctx->fallback); skcipher_request_set_callback(req, desc->flags, NULL, NULL); diff --git a/drivers/crypto/vmx/aes_ctr.c b/drivers/crypto/vmx/aes_ctr.c index 8a2fe092cb8e..192a53512f5e 100644 --- a/drivers/crypto/vmx/aes_ctr.c +++ b/drivers/crypto/vmx/aes_ctr.c @@ -23,9 +23,10 @@ #include <linux/err.h> #include <linux/crypto.h> #include <linux/delay.h> -#include <linux/hardirq.h> +#include <asm/simd.h> #include <asm/switch_to.h> #include <crypto/aes.h> +#include <crypto/internal/simd.h> #include <crypto/scatterwalk.h> #include <crypto/skcipher.h> @@ -83,8 +84,9 @@ static int p8_aes_ctr_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_enable(); preempt_enable(); - ret += crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); - return ret; + ret |= crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); + + return ret ? -EINVAL : 0; } static void p8_aes_ctr_final(struct p8_aes_ctr_ctx *ctx, @@ -118,7 +120,7 @@ static int p8_aes_ctr_crypt(struct blkcipher_desc *desc, struct p8_aes_ctr_ctx *ctx = crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm)); - if (in_interrupt()) { + if (!crypto_simd_usable()) { SYNC_SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback); skcipher_request_set_sync_tfm(req, ctx->fallback); skcipher_request_set_callback(req, desc->flags, NULL, NULL); diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c index ecd64e5cc5bb..00d412d811ae 100644 --- a/drivers/crypto/vmx/aes_xts.c +++ b/drivers/crypto/vmx/aes_xts.c @@ -23,9 +23,10 @@ #include <linux/err.h> #include <linux/crypto.h> #include <linux/delay.h> -#include <linux/hardirq.h> +#include <asm/simd.h> #include <asm/switch_to.h> #include <crypto/aes.h> +#include <crypto/internal/simd.h> #include <crypto/scatterwalk.h> #include <crypto/xts.h> #include <crypto/skcipher.h> @@ -86,14 +87,15 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_disable(); enable_kernel_vsx(); ret = aes_p8_set_encrypt_key(key + keylen/2, (keylen/2) * 8, &ctx->tweak_key); - ret += aes_p8_set_encrypt_key(key, (keylen/2) * 8, &ctx->enc_key); - ret += aes_p8_set_decrypt_key(key, (keylen/2) * 8, &ctx->dec_key); + ret |= aes_p8_set_encrypt_key(key, (keylen/2) * 8, &ctx->enc_key); + ret |= aes_p8_set_decrypt_key(key, (keylen/2) * 8, &ctx->dec_key); disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - ret += crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); - return ret; + ret |= crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); + + return ret ? -EINVAL : 0; } static int p8_aes_xts_crypt(struct blkcipher_desc *desc, @@ -108,7 +110,7 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc, struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm)); - if (in_interrupt()) { + if (!crypto_simd_usable()) { SYNC_SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback); skcipher_request_set_sync_tfm(req, ctx->fallback); skcipher_request_set_callback(req, desc->flags, NULL, NULL); diff --git a/drivers/crypto/vmx/aesp8-ppc.pl b/drivers/crypto/vmx/aesp8-ppc.pl index d6a9f63d65ba..9c6b5c1d6a1a 100644 --- a/drivers/crypto/vmx/aesp8-ppc.pl +++ b/drivers/crypto/vmx/aesp8-ppc.pl @@ -1357,7 +1357,7 @@ Loop_ctr32_enc: addi $idx,$idx,16 bdnz Loop_ctr32_enc - vadduwm $ivec,$ivec,$one + vadduqm $ivec,$ivec,$one vmr $dat,$inptail lvx $inptail,0,$inp addi $inp,$inp,16 @@ -1854,7 +1854,7 @@ Lctr32_enc8x_three: stvx_u $out1,$x10,$out stvx_u $out2,$x20,$out addi $out,$out,0x30 - b Lcbc_dec8x_done + b Lctr32_enc8x_done .align 5 Lctr32_enc8x_two: @@ -1866,7 +1866,7 @@ Lctr32_enc8x_two: stvx_u $out0,$x00,$out stvx_u $out1,$x10,$out addi $out,$out,0x20 - b Lcbc_dec8x_done + b Lctr32_enc8x_done .align 5 Lctr32_enc8x_one: diff --git a/drivers/crypto/vmx/ghash.c b/drivers/crypto/vmx/ghash.c index dd8b8716467a..14807ac2e3b9 100644 --- a/drivers/crypto/vmx/ghash.c +++ b/drivers/crypto/vmx/ghash.c @@ -1,109 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 /** * GHASH routines supporting VMX instructions on the Power 8 * - * Copyright (C) 2015 International Business Machines Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 only. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Copyright (C) 2015, 2019 International Business Machines Inc. * * Author: Marcelo Henrique Cerri <mhcerri@br.ibm.com> + * + * Extended by Daniel Axtens <dja@axtens.net> to replace the fallback + * mechanism. The new approach is based on arm64 code, which is: + * Copyright (C) 2014 - 2018 Linaro Ltd. <ard.biesheuvel@linaro.org> */ #include <linux/types.h> #include <linux/err.h> #include <linux/crypto.h> #include <linux/delay.h> -#include <linux/hardirq.h> +#include <asm/simd.h> #include <asm/switch_to.h> #include <crypto/aes.h> #include <crypto/ghash.h> #include <crypto/scatterwalk.h> #include <crypto/internal/hash.h> +#include <crypto/internal/simd.h> #include <crypto/b128ops.h> -#define IN_INTERRUPT in_interrupt() - void gcm_init_p8(u128 htable[16], const u64 Xi[2]); void gcm_gmult_p8(u64 Xi[2], const u128 htable[16]); void gcm_ghash_p8(u64 Xi[2], const u128 htable[16], const u8 *in, size_t len); struct p8_ghash_ctx { + /* key used by vector asm */ u128 htable[16]; - struct crypto_shash *fallback; + /* key used by software fallback */ + be128 key; }; struct p8_ghash_desc_ctx { u64 shash[2]; u8 buffer[GHASH_DIGEST_SIZE]; int bytes; - struct shash_desc fallback_desc; }; -static int p8_ghash_init_tfm(struct crypto_tfm *tfm) -{ - const char *alg = "ghash-generic"; - struct crypto_shash *fallback; - struct crypto_shash *shash_tfm = __crypto_shash_cast(tfm); - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm); - - fallback = crypto_alloc_shash(alg, 0, CRYPTO_ALG_NEED_FALLBACK); - if (IS_ERR(fallback)) { - printk(KERN_ERR - "Failed to allocate transformation for '%s': %ld\n", - alg, PTR_ERR(fallback)); - return PTR_ERR(fallback); - } - - crypto_shash_set_flags(fallback, - crypto_shash_get_flags((struct crypto_shash - *) tfm)); - - /* Check if the descsize defined in the algorithm is still enough. */ - if (shash_tfm->descsize < sizeof(struct p8_ghash_desc_ctx) - + crypto_shash_descsize(fallback)) { - printk(KERN_ERR - "Desc size of the fallback implementation (%s) does not match the expected value: %lu vs %u\n", - alg, - shash_tfm->descsize - sizeof(struct p8_ghash_desc_ctx), - crypto_shash_descsize(fallback)); - return -EINVAL; - } - ctx->fallback = fallback; - - return 0; -} - -static void p8_ghash_exit_tfm(struct crypto_tfm *tfm) -{ - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(tfm); - - if (ctx->fallback) { - crypto_free_shash(ctx->fallback); - ctx->fallback = NULL; - } -} - static int p8_ghash_init(struct shash_desc *desc) { - struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); dctx->bytes = 0; memset(dctx->shash, 0, GHASH_DIGEST_SIZE); - dctx->fallback_desc.tfm = ctx->fallback; - dctx->fallback_desc.flags = desc->flags; - return crypto_shash_init(&dctx->fallback_desc); + return 0; } static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key, @@ -121,7 +66,51 @@ static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key, disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - return crypto_shash_setkey(ctx->fallback, key, keylen); + + memcpy(&ctx->key, key, GHASH_BLOCK_SIZE); + + return 0; +} + +static inline void __ghash_block(struct p8_ghash_ctx *ctx, + struct p8_ghash_desc_ctx *dctx) +{ + if (crypto_simd_usable()) { + preempt_disable(); + pagefault_disable(); + enable_kernel_vsx(); + gcm_ghash_p8(dctx->shash, ctx->htable, + dctx->buffer, GHASH_DIGEST_SIZE); + disable_kernel_vsx(); + pagefault_enable(); + preempt_enable(); + } else { + crypto_xor((u8 *)dctx->shash, dctx->buffer, GHASH_BLOCK_SIZE); + gf128mul_lle((be128 *)dctx->shash, &ctx->key); + } +} + +static inline void __ghash_blocks(struct p8_ghash_ctx *ctx, + struct p8_ghash_desc_ctx *dctx, + const u8 *src, unsigned int srclen) +{ + if (crypto_simd_usable()) { + preempt_disable(); + pagefault_disable(); + enable_kernel_vsx(); + gcm_ghash_p8(dctx->shash, ctx->htable, + src, srclen); + disable_kernel_vsx(); + pagefault_enable(); + preempt_enable(); + } else { + while (srclen >= GHASH_BLOCK_SIZE) { + crypto_xor((u8 *)dctx->shash, src, GHASH_BLOCK_SIZE); + gf128mul_lle((be128 *)dctx->shash, &ctx->key); + srclen -= GHASH_BLOCK_SIZE; + src += GHASH_BLOCK_SIZE; + } + } } static int p8_ghash_update(struct shash_desc *desc, @@ -131,49 +120,33 @@ static int p8_ghash_update(struct shash_desc *desc, struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); - if (IN_INTERRUPT) { - return crypto_shash_update(&dctx->fallback_desc, src, - srclen); - } else { - if (dctx->bytes) { - if (dctx->bytes + srclen < GHASH_DIGEST_SIZE) { - memcpy(dctx->buffer + dctx->bytes, src, - srclen); - dctx->bytes += srclen; - return 0; - } + if (dctx->bytes) { + if (dctx->bytes + srclen < GHASH_DIGEST_SIZE) { memcpy(dctx->buffer + dctx->bytes, src, - GHASH_DIGEST_SIZE - dctx->bytes); - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, - dctx->buffer, GHASH_DIGEST_SIZE); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - src += GHASH_DIGEST_SIZE - dctx->bytes; - srclen -= GHASH_DIGEST_SIZE - dctx->bytes; - dctx->bytes = 0; - } - len = srclen & ~(GHASH_DIGEST_SIZE - 1); - if (len) { - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, src, len); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - src += len; - srclen -= len; - } - if (srclen) { - memcpy(dctx->buffer, src, srclen); - dctx->bytes = srclen; + srclen); + dctx->bytes += srclen; + return 0; } - return 0; + memcpy(dctx->buffer + dctx->bytes, src, + GHASH_DIGEST_SIZE - dctx->bytes); + + __ghash_block(ctx, dctx); + + src += GHASH_DIGEST_SIZE - dctx->bytes; + srclen -= GHASH_DIGEST_SIZE - dctx->bytes; + dctx->bytes = 0; + } + len = srclen & ~(GHASH_DIGEST_SIZE - 1); + if (len) { + __ghash_blocks(ctx, dctx, src, len); + src += len; + srclen -= len; } + if (srclen) { + memcpy(dctx->buffer, src, srclen); + dctx->bytes = srclen; + } + return 0; } static int p8_ghash_final(struct shash_desc *desc, u8 *out) @@ -182,25 +155,14 @@ static int p8_ghash_final(struct shash_desc *desc, u8 *out) struct p8_ghash_ctx *ctx = crypto_tfm_ctx(crypto_shash_tfm(desc->tfm)); struct p8_ghash_desc_ctx *dctx = shash_desc_ctx(desc); - if (IN_INTERRUPT) { - return crypto_shash_final(&dctx->fallback_desc, out); - } else { - if (dctx->bytes) { - for (i = dctx->bytes; i < GHASH_DIGEST_SIZE; i++) - dctx->buffer[i] = 0; - preempt_disable(); - pagefault_disable(); - enable_kernel_vsx(); - gcm_ghash_p8(dctx->shash, ctx->htable, - dctx->buffer, GHASH_DIGEST_SIZE); - disable_kernel_vsx(); - pagefault_enable(); - preempt_enable(); - dctx->bytes = 0; - } - memcpy(out, dctx->shash, GHASH_DIGEST_SIZE); - return 0; + if (dctx->bytes) { + for (i = dctx->bytes; i < GHASH_DIGEST_SIZE; i++) + dctx->buffer[i] = 0; + __ghash_block(ctx, dctx); + dctx->bytes = 0; } + memcpy(out, dctx->shash, GHASH_DIGEST_SIZE); + return 0; } struct shash_alg p8_ghash_alg = { @@ -215,11 +177,8 @@ struct shash_alg p8_ghash_alg = { .cra_name = "ghash", .cra_driver_name = "p8_ghash", .cra_priority = 1000, - .cra_flags = CRYPTO_ALG_NEED_FALLBACK, .cra_blocksize = GHASH_BLOCK_SIZE, .cra_ctxsize = sizeof(struct p8_ghash_ctx), .cra_module = THIS_MODULE, - .cra_init = p8_ghash_init_tfm, - .cra_exit = p8_ghash_exit_tfm, }, }; diff --git a/drivers/crypto/vmx/vmx.c b/drivers/crypto/vmx/vmx.c index 31a98dc6f849..a9f519830615 100644 --- a/drivers/crypto/vmx/vmx.c +++ b/drivers/crypto/vmx/vmx.c @@ -41,7 +41,7 @@ static struct crypto_alg *algs[] = { NULL, }; -int __init p8_init(void) +static int __init p8_init(void) { int ret = 0; struct crypto_alg **alg_it; @@ -67,7 +67,7 @@ int __init p8_init(void) return ret; } -void __exit p8_exit(void) +static void __exit p8_exit(void) { struct crypto_alg **alg_it; |