From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- .../jerasure/gf-complete/include/gf_w32.h | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 src/erasure-code/jerasure/gf-complete/include/gf_w32.h (limited to 'src/erasure-code/jerasure/gf-complete/include/gf_w32.h') diff --git a/src/erasure-code/jerasure/gf-complete/include/gf_w32.h b/src/erasure-code/jerasure/gf-complete/include/gf_w32.h new file mode 100644 index 000000000..7734f30ff --- /dev/null +++ b/src/erasure-code/jerasure/gf-complete/include/gf_w32.h @@ -0,0 +1,71 @@ +/* + * GF-Complete: A Comprehensive Open Source Library for Galois Field Arithmetic + * James S. Plank, Ethan L. Miller, Kevin M. Greenan, + * Benjamin A. Arnold, John A. Burnum, Adam W. Disney, Allen C. McBride. + * + * gf_w32.h + * + * Defines and data structures for 32-bit Galois fields + */ + +#ifndef GF_COMPLETE_GF_W32_H +#define GF_COMPLETE_GF_W32_H + +#include + +#define GF_FIELD_WIDTH (32) +#define GF_FIRST_BIT ((gf_val_32_t)1 << 31) + +#define GF_BASE_FIELD_WIDTH (16) +#define GF_BASE_FIELD_SIZE (1 << GF_BASE_FIELD_WIDTH) +#define GF_BASE_FIELD_GROUP_SIZE GF_BASE_FIELD_SIZE-1 +#define GF_MULTBY_TWO(p) (((p) & GF_FIRST_BIT) ? (((p) << 1) ^ h->prim_poly) : (p) << 1) + +struct gf_split_2_32_lazy_data { + uint32_t tables[16][4]; + uint32_t last_value; +}; + +struct gf_w32_split_8_8_data { + uint32_t tables[7][256][256]; + uint32_t region_tables[4][256]; + uint32_t last_value; +}; + +struct gf_w32_group_data { + uint32_t *reduce; + uint32_t *shift; + int tshift; + uint64_t rmask; + uint32_t *memory; +}; + +struct gf_split_16_32_lazy_data { + uint32_t tables[2][(1<<16)]; + uint32_t last_value; +}; + +struct gf_split_8_32_lazy_data { + uint32_t tables[4][256]; + uint32_t last_value; +}; + +struct gf_split_4_32_lazy_data { + uint32_t tables[8][16]; + uint32_t last_value; +}; + +struct gf_w32_bytwo_data { + uint64_t prim_poly; + uint64_t mask1; + uint64_t mask2; +}; + +struct gf_w32_composite_data { + uint16_t *log; + uint16_t *alog; +}; + +void gf_w32_neon_split_init(gf_t *gf); + +#endif /* GF_COMPLETE_GF_W32_H */ -- cgit v1.2.3