diff options
| author | Keith Busch <kbusch@kernel.org> | 2022-03-03 23:13:10 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-03-07 22:48:35 +0300 |
| commit | f3813f4b287e480b1fcd62ca798d8556644b8278 (patch) | |
| tree | 9f77b5e0c719e20bb7c9dd9faacf1be71b76045d /include/linux/crc64.h | |
| parent | cbc0a40e17da361a2ada8d669413ccfbd2028f2d (diff) | |
| download | linux-f3813f4b287e480b1fcd62ca798d8556644b8278.tar.xz | |
crypto: add rocksoft 64b crc guard tag framework
Hardware specific features may be able to calculate a crc64, so provide
a framework for drivers to register their implementation. If nothing is
registered, fallback to the generic table lookup implementation. The
implementation is modeled after the crct10dif equivalent.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20220303201312.3255347-7-kbusch@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/crc64.h')
| -rw-r--r-- | include/linux/crc64.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/crc64.h b/include/linux/crc64.h index 9480f38cc7cf..e044c60d1e61 100644 --- a/include/linux/crc64.h +++ b/include/linux/crc64.h @@ -7,7 +7,12 @@ #include <linux/types.h> +#define CRC64_ROCKSOFT_STRING "crc64-rocksoft" + u64 __pure crc64_be(u64 crc, const void *p, size_t len); u64 __pure crc64_rocksoft_generic(u64 crc, const void *p, size_t len); +u64 crc64_rocksoft(const unsigned char *buffer, size_t len); +u64 crc64_rocksoft_update(u64 crc, const unsigned char *buffer, size_t len); + #endif /* _LINUX_CRC64_H */ |