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| author | Eric Biggers <ebiggers@google.com> | 2024-12-02 04:20:46 +0300 |
|---|---|---|
| committer | Eric Biggers <ebiggers@google.com> | 2024-12-02 04:23:13 +0300 |
| commit | 0961c3bcefa64d5f0999e2b703391862c733bb52 (patch) | |
| tree | 0bd98a15d64963236f3a438198895ed92fe93655 /include/linux | |
| parent | be3c45b070cba3be4dd248b38d4798e3e2859451 (diff) | |
| download | linux-0961c3bcefa64d5f0999e2b703391862c733bb52.tar.xz | |
lib/crc-t10dif: add support for arch overrides
Following what was done for CRC32, add support for architecture-specific
override of the CRC-T10DIF library. This will allow the CRC-T10DIF
library functions to access architecture-optimized code directly.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20241202012056.209768-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/crc-t10dif.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h index 206ba2305483..16787c1cee21 100644 --- a/include/linux/crc-t10dif.h +++ b/include/linux/crc-t10dif.h @@ -7,10 +7,13 @@ #define CRC_T10DIF_DIGEST_SIZE 2 #define CRC_T10DIF_BLOCK_SIZE 1 +u16 crc_t10dif_arch(u16 crc, const u8 *p, size_t len); u16 crc_t10dif_generic(u16 crc, const u8 *p, size_t len); static inline u16 crc_t10dif_update(u16 crc, const u8 *p, size_t len) { + if (IS_ENABLED(CONFIG_CRC_T10DIF_ARCH)) + return crc_t10dif_arch(crc, p, len); return crc_t10dif_generic(crc, p, len); } @@ -19,4 +22,13 @@ static inline u16 crc_t10dif(const u8 *p, size_t len) return crc_t10dif_update(0, p, len); } +#if IS_ENABLED(CONFIG_CRC_T10DIF_ARCH) +bool crc_t10dif_is_optimized(void); +#else +static inline bool crc_t10dif_is_optimized(void) +{ + return false; +} +#endif + #endif |