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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-02 13:31:05 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 18:20:45 +0800 |
| commit | 491d6024f2820c78216b07cec1cb47c87dcae077 (patch) | |
| tree | 67476c64296a0c5a3aa880fafb5f7e1e7cae48ab | |
| parent | adcb9e32e5e28935ec1148e1a314282a7367428d (diff) | |
crypto: riscv/sha256 - Add simd block function
Add CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD and a SIMD block function
so that the caller can decide whether to use SIMD.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | arch/riscv/lib/crypto/Kconfig | 1 | ||||
| -rw-r--r-- | arch/riscv/lib/crypto/sha256.c | 13 |
2 files changed, 10 insertions, 4 deletions
diff --git a/arch/riscv/lib/crypto/Kconfig b/arch/riscv/lib/crypto/Kconfig index c100571feb7e..47c99ea97ce2 100644 --- a/arch/riscv/lib/crypto/Kconfig +++ b/arch/riscv/lib/crypto/Kconfig @@ -12,4 +12,5 @@ config CRYPTO_SHA256_RISCV64 depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO default CRYPTO_LIB_SHA256 select CRYPTO_ARCH_HAVE_LIB_SHA256 + select CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD select CRYPTO_LIB_SHA256_GENERIC diff --git a/arch/riscv/lib/crypto/sha256.c b/arch/riscv/lib/crypto/sha256.c index 4ad3ffb8e0a9..71808397dff4 100644 --- a/arch/riscv/lib/crypto/sha256.c +++ b/arch/riscv/lib/crypto/sha256.c @@ -9,10 +9,8 @@ * Author: Jerry Shih <jerry.shih@sifive.com> */ -#include <asm/simd.h> #include <asm/vector.h> #include <crypto/internal/sha2.h> -#include <crypto/internal/simd.h> #include <linux/kernel.h> #include <linux/module.h> @@ -21,10 +19,10 @@ asmlinkage void sha256_transform_zvknha_or_zvknhb_zvkb( static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_extensions); -void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS], +void sha256_blocks_simd(u32 state[SHA256_STATE_WORDS], const u8 *data, size_t nblocks) { - if (static_branch_likely(&have_extensions) && crypto_simd_usable()) { + if (static_branch_likely(&have_extensions)) { kernel_vector_begin(); sha256_transform_zvknha_or_zvknhb_zvkb(state, data, nblocks); kernel_vector_end(); @@ -32,6 +30,13 @@ void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS], sha256_blocks_generic(state, data, nblocks); } } +EXPORT_SYMBOL_GPL(sha256_blocks_simd); + +void sha256_blocks_arch(u32 state[SHA256_STATE_WORDS], + const u8 *data, size_t nblocks) +{ + sha256_blocks_generic(state, data, nblocks); +} EXPORT_SYMBOL_GPL(sha256_blocks_arch); bool sha256_is_arch_optimized(void) |