diff options
| author | Jim Kukunas <james.t.kukunas@linux.intel.com> | 2012-05-22 13:54:18 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-05-22 13:54:18 +1000 |
| commit | 048a8b8c89dc427dd7a58527c8923224b1e66d83 (patch) | |
| tree | c8e09964537839f3848d0ad0e25ee40e873c3d09 /include/linux/raid | |
| parent | f674ef7b43881b2ac11f98d6ba2dc5d9dd0dd118 (diff) | |
lib/raid6: Add SSSE3 optimized recovery functions
Add SSSE3 optimized recovery functions, as well as a system
for selecting the most appropriate recovery functions to use.
Originally-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/pq.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 53272e9860a..640c69ceec9 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -99,8 +99,20 @@ extern const struct raid6_calls raid6_altivec2; extern const struct raid6_calls raid6_altivec4; extern const struct raid6_calls raid6_altivec8; +struct raid6_recov_calls { + void (*data2)(int, size_t, int, int, void **); + void (*datap)(int, size_t, int, void **); + int (*valid)(void); + const char *name; + int priority; +}; + +extern const struct raid6_recov_calls raid6_recov_intx1; +extern const struct raid6_recov_calls raid6_recov_ssse3; + /* Algorithm list */ extern const struct raid6_calls * const raid6_algos[]; +extern const struct raid6_recov_calls *const raid6_recov_algos[]; int raid6_select_algo(void); /* Return values from chk_syndrome */ @@ -111,14 +123,16 @@ int raid6_select_algo(void); /* Galois field tables */ extern const u8 raid6_gfmul[256][256] __attribute__((aligned(256))); +extern const u8 raid6_vgfmul[256][32] __attribute__((aligned(256))); extern const u8 raid6_gfexp[256] __attribute__((aligned(256))); extern const u8 raid6_gfinv[256] __attribute__((aligned(256))); extern const u8 raid6_gfexi[256] __attribute__((aligned(256))); /* Recovery routines */ -void raid6_2data_recov(int disks, size_t bytes, int faila, int failb, +extern void (*raid6_2data_recov)(int disks, size_t bytes, int faila, int failb, void **ptrs); -void raid6_datap_recov(int disks, size_t bytes, int faila, void **ptrs); +extern void (*raid6_datap_recov)(int disks, size_t bytes, int faila, + void **ptrs); void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, void **ptrs); |