From: "Herbert Xu" <herbert@gondor.apana.org.au> To: Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>, Linux ARM <linux-arm-kernel@lists.infradead.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>, Linux Crypto Mailing List <linux-crypto@vger.kernel.org> Subject: [v2 PATCH 5/9] crypto: skcipher - Add ctx helpers with DMA alignment Date: Fri, 25 Nov 2022 12:36:37 +0800 [thread overview] Message-ID: <E1oyQS5-000djv-CO@formenos.hmeau.com> (raw) In-Reply-To: Y4BGC2BPesy3qsEm@gondor.apana.org.au This patch adds helpers to access the skcipher context structure and request context structure with an added alignment for DMA access. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/internal/skcipher.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index a2339f80a615..a05a55af5b2c 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -122,6 +122,13 @@ static inline void crypto_skcipher_set_reqsize( skcipher->reqsize = reqsize; } +static inline void crypto_skcipher_set_reqsize_dma( + struct crypto_skcipher *skcipher, unsigned int reqsize) +{ + reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1); + skcipher->reqsize = reqsize; +} + int crypto_register_skcipher(struct skcipher_alg *alg); void crypto_unregister_skcipher(struct skcipher_alg *alg); int crypto_register_skciphers(struct skcipher_alg *algs, int count); @@ -151,11 +158,26 @@ static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm) return crypto_tfm_ctx(&tfm->base); } +static inline void *crypto_skcipher_ctx_dma(struct crypto_skcipher *tfm) +{ + return crypto_tfm_ctx_dma(&tfm->base); +} + static inline void *skcipher_request_ctx(struct skcipher_request *req) { return req->__ctx; } +static inline void *skcipher_request_ctx_dma(struct skcipher_request *req) +{ + unsigned int align = crypto_dma_align(); + + if (align <= crypto_tfm_ctx_alignment()) + align = 1; + + return PTR_ALIGN(skcipher_request_ctx(req), align); +} + static inline u32 skcipher_request_flags(struct skcipher_request *req) { return req->base.flags;
WARNING: multiple messages have this Message-ID (diff)
From: "Herbert Xu" <herbert@gondor.apana.org.au> To: Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>, Linux ARM <linux-arm-kernel@lists.infradead.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>, Linux Crypto Mailing List <linux-crypto@vger.kernel.org> Subject: [v2 PATCH 5/9] crypto: skcipher - Add ctx helpers with DMA alignment Date: Fri, 25 Nov 2022 12:36:37 +0800 [thread overview] Message-ID: <E1oyQS5-000djv-CO@formenos.hmeau.com> (raw) In-Reply-To: Y4BGC2BPesy3qsEm@gondor.apana.org.au This patch adds helpers to access the skcipher context structure and request context structure with an added alignment for DMA access. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- include/crypto/internal/skcipher.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index a2339f80a615..a05a55af5b2c 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -122,6 +122,13 @@ static inline void crypto_skcipher_set_reqsize( skcipher->reqsize = reqsize; } +static inline void crypto_skcipher_set_reqsize_dma( + struct crypto_skcipher *skcipher, unsigned int reqsize) +{ + reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1); + skcipher->reqsize = reqsize; +} + int crypto_register_skcipher(struct skcipher_alg *alg); void crypto_unregister_skcipher(struct skcipher_alg *alg); int crypto_register_skciphers(struct skcipher_alg *algs, int count); @@ -151,11 +158,26 @@ static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm) return crypto_tfm_ctx(&tfm->base); } +static inline void *crypto_skcipher_ctx_dma(struct crypto_skcipher *tfm) +{ + return crypto_tfm_ctx_dma(&tfm->base); +} + static inline void *skcipher_request_ctx(struct skcipher_request *req) { return req->__ctx; } +static inline void *skcipher_request_ctx_dma(struct skcipher_request *req) +{ + unsigned int align = crypto_dma_align(); + + if (align <= crypto_tfm_ctx_alignment()) + align = 1; + + return PTR_ALIGN(skcipher_request_ctx(req), align); +} + static inline u32 skcipher_request_flags(struct skcipher_request *req) { return req->base.flags; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-11-25 4:37 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-25 4:35 [v2 PATCH 0/9] crypto: Add helpers for allocating with DMA alignment Herbert Xu 2022-11-25 4:35 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 1/9] crypto: Prepare to move crypto_tfm_ctx Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 2/9] crypto: api - Add crypto_tfm_ctx_dma Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 11:31 ` Catalin Marinas 2022-11-25 11:31 ` Catalin Marinas 2022-11-28 3:59 ` Herbert Xu 2022-11-28 3:59 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 3/9] crypto: aead - Add ctx helpers with DMA alignment Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 12:24 ` Catalin Marinas 2022-11-25 12:24 ` Catalin Marinas 2022-11-28 4:06 ` Herbert Xu 2022-11-28 4:06 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 4/9] crypto: hash " Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 4:36 ` Herbert Xu [this message] 2022-11-25 4:36 ` [v2 PATCH 5/9] crypto: skcipher " Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 6/9] crypto: api - Increase MAX_ALGAPI_ALIGNMASK to 127 Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 7/9] crypto: akcipher - Add ctx helpers with DMA alignment Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 8/9] crypto: kpp " Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 4:36 ` [v2 PATCH 9/9] crypto: caam - Set DMA alignment explicitly Herbert Xu 2022-11-25 4:36 ` Herbert Xu 2022-11-25 12:17 ` [v2 PATCH 0/9] crypto: Add helpers for allocating with DMA alignment Ard Biesheuvel 2022-11-25 12:17 ` Ard Biesheuvel 2022-11-28 4:05 ` Herbert Xu 2022-11-28 4:05 ` Herbert Xu
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