openstack/liberasurecode
Code Issues Proposed changes

Slim down our exposed symbols

Browse Source 
We put way too much stuff out there; we don't need to expose it all.

Change-Id: Ic1080a8c9747f044902b0f00d43cc241befa8b27
This commit is contained in:
Tim Burke
2024-09-16 17:39:35 -07:00
parent 9deacfd124
commit ea534c61a9
22 changed files with 141 additions and 363 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
include/erasurecode/erasurecode_backend.h
View File

@@ -134,26 +134,6 @@ typedef struct ec_backend {
/* ~=*=~==~=*=~==~=*=~==~=*= frontend <-> backend API =*=~==~=*=~==~=*=~==~= */
/* Register a backend instance with liberasurecode */
int liberasurecode_backend_instance_register(ec_backend_t instance);
/* Unregister a backend instance */
int liberasurecode_backend_instance_unregister(ec_backend_t instance);
/* Generic dlopen/dlclose routines */
void* liberasurecode_backend_open(ec_backend_t instance);
int liberasurecode_backend_close(ec_backend_t instance);
/* Backend query interface */
/* Name to ID mapping for EC backend */
ec_backend_id_t liberasurecode_backend_lookup_id(const char *name);
/* Get EC backend by name */
ec_backend_t liberasurecode_backend_lookup_by_name(const char *name);
/**
* Look up a backend instance by descriptor
*

3
include/rs_vand/liberasurecode_rs_vand.h
View File

@@ -24,13 +24,10 @@
* vi: set noai tw=79 ts=4 sw=4:
*/
int* create_non_systematic_vand_matrix(int k, int m);
void free_systematic_matrix(int *matrix);
int* make_systematic_matrix(int k, int m);
int is_missing(int *missing_idxs, int index_to_check);
int gaussj_inversion(int *matrix, int *inverse, int n);
int get_non_zero_diagonal(int *matrix, int row, int num_rows, int num_cols);
int rs_galois_div(int x, int y);
int rs_galois_inverse(int x);
int rs_galois_mult(int x, int y);
void init_liberasurecode_rs_vand(int k, int m);

1
include/rs_vand/rs_galois.h
View File

@@ -40,6 +40,5 @@
void rs_galois_init_tables(void);
void rs_galois_deinit_tables(void);
int rs_galois_mult(int x, int y);
int rs_galois_div(int x, int y);
int rs_galois_inverse(int x);

180
include/xor_codes/xor_hd_code_defs.h
View File

@@ -28,111 +28,111 @@
// I made these by hand...
unsigned int g_12_6_4_hd_code_parity_bms[] = { 1649, 3235, 2375, 718, 1436, 2872 };
unsigned int g_12_6_4_hd_code_data_bms[] = { 7, 14, 28, 56, 49, 35, 13, 26, 52, 41, 19, 38 };
static unsigned int g_12_6_4_hd_code_parity_bms[] = { 1649, 3235, 2375, 718, 1436, 2872 };
static unsigned int g_12_6_4_hd_code_data_bms[] = { 7, 14, 28, 56, 49, 35, 13, 26, 52, 41, 19, 38 };
unsigned int g_10_5_3_hd_code_parity_bms[] = { 163, 300, 337, 582, 664 };
unsigned int g_10_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17, 6, 24 };
static unsigned int g_10_5_3_hd_code_parity_bms[] = { 163, 300, 337, 582, 664 };
static unsigned int g_10_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17, 6, 24 };
unsigned int g_3_3_3_hd_code_parity_bms[] = { 5, 6, 3 };
unsigned int g_3_3_3_hd_code_data_bms[] = { 5, 6, 3};
static unsigned int g_3_3_3_hd_code_parity_bms[] = { 5, 6, 3 };
static unsigned int g_3_3_3_hd_code_data_bms[] = { 5, 6, 3};
// The rest were generated via the "goldilocks" code algorithm
unsigned int g_6_6_3_hd_code_parity_bms[] = { 3, 48, 36, 24, 9, 6 };
unsigned int g_6_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6 };
unsigned int g_7_6_3_hd_code_parity_bms[] = { 67, 112, 36, 24, 9, 6 };
unsigned int g_7_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3 };
unsigned int g_8_6_3_hd_code_parity_bms[] = { 67, 112, 164, 152, 9, 6 };
unsigned int g_8_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12 };
unsigned int g_9_6_3_hd_code_parity_bms[] = { 67, 112, 164, 152, 265, 262 };
unsigned int g_9_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48 };
unsigned int g_10_6_3_hd_code_parity_bms[] = { 579, 112, 676, 152, 265, 262 };
unsigned int g_10_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5 };
unsigned int g_11_6_3_hd_code_parity_bms[] = { 579, 1136, 676, 152, 1289, 262 };
unsigned int g_11_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18 };
unsigned int g_12_6_3_hd_code_parity_bms[] = { 579, 1136, 676, 2200, 1289, 2310 };
unsigned int g_12_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40 };
unsigned int g_13_6_3_hd_code_parity_bms[] = { 4675, 1136, 676, 6296, 1289, 2310 };
unsigned int g_13_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9 };
unsigned int g_14_6_3_hd_code_parity_bms[] = { 4675, 9328, 676, 6296, 1289, 10502 };
unsigned int g_14_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9, 34 };
unsigned int g_15_6_3_hd_code_parity_bms[] = { 4675, 9328, 17060, 6296, 17673, 10502 };
unsigned int g_15_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9, 34, 20 };
static unsigned int g_6_6_3_hd_code_parity_bms[] = { 3, 48, 36, 24, 9, 6 };
static unsigned int g_6_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6 };
static unsigned int g_7_6_3_hd_code_parity_bms[] = { 67, 112, 36, 24, 9, 6 };
static unsigned int g_7_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3 };
static unsigned int g_8_6_3_hd_code_parity_bms[] = { 67, 112, 164, 152, 9, 6 };
static unsigned int g_8_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12 };
static unsigned int g_9_6_3_hd_code_parity_bms[] = { 67, 112, 164, 152, 265, 262 };
static unsigned int g_9_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48 };
static unsigned int g_10_6_3_hd_code_parity_bms[] = { 579, 112, 676, 152, 265, 262 };
static unsigned int g_10_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5 };
static unsigned int g_11_6_3_hd_code_parity_bms[] = { 579, 1136, 676, 152, 1289, 262 };
static unsigned int g_11_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18 };
static unsigned int g_12_6_3_hd_code_parity_bms[] = { 579, 1136, 676, 2200, 1289, 2310 };
static unsigned int g_12_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40 };
static unsigned int g_13_6_3_hd_code_parity_bms[] = { 4675, 1136, 676, 6296, 1289, 2310 };
static unsigned int g_13_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9 };
static unsigned int g_14_6_3_hd_code_parity_bms[] = { 4675, 9328, 676, 6296, 1289, 10502 };
static unsigned int g_14_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9, 34 };
static unsigned int g_15_6_3_hd_code_parity_bms[] = { 4675, 9328, 17060, 6296, 17673, 10502 };
static unsigned int g_15_6_3_hd_code_data_bms[] = { 17, 33, 36, 24, 10, 6, 3, 12, 48, 5, 18, 40, 9, 34, 20 };
unsigned int g_6_6_4_hd_code_parity_bms[] = { 7, 56, 56, 11, 21, 38 };
unsigned int g_6_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38 };
unsigned int g_7_6_4_hd_code_parity_bms[] = { 71, 120, 120, 11, 21, 38 };
unsigned int g_7_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7 };
unsigned int g_8_6_4_hd_code_parity_bms[] = { 71, 120, 120, 139, 149, 166 };
unsigned int g_8_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56 };
unsigned int g_9_6_4_hd_code_parity_bms[] = { 327, 376, 120, 395, 149, 166 };
unsigned int g_9_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11 };
unsigned int g_10_6_4_hd_code_parity_bms[] = { 327, 376, 632, 395, 661, 678 };
unsigned int g_10_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52 };
unsigned int g_11_6_4_hd_code_parity_bms[] = { 1351, 1400, 632, 395, 1685, 678 };
unsigned int g_11_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19 };
unsigned int g_13_6_4_hd_code_parity_bms[] = { 5447, 5496, 2680, 2443, 1685, 6822 };
unsigned int g_13_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35 };
unsigned int g_14_6_4_hd_code_parity_bms[] = { 5447, 5496, 10872, 10635, 9877, 6822 };
unsigned int g_14_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28 };
unsigned int g_15_6_4_hd_code_parity_bms[] = { 21831, 5496, 27256, 27019, 9877, 6822 };
unsigned int g_15_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13 };
unsigned int g_16_6_4_hd_code_parity_bms[] = { 21831, 38264, 27256, 27019, 42645, 39590 };
unsigned int g_16_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50 };
unsigned int g_17_6_4_hd_code_parity_bms[] = { 87367, 38264, 92792, 27019, 108181, 39590 };
unsigned int g_17_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21 };
unsigned int g_18_6_4_hd_code_parity_bms[] = { 87367, 169336, 92792, 158091, 108181, 170662 };
unsigned int g_18_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42 };
unsigned int g_19_6_4_hd_code_parity_bms[] = { 349511, 169336, 354936, 158091, 108181, 432806 };
unsigned int g_19_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42, 37 };
unsigned int g_20_6_4_hd_code_parity_bms[] = { 349511, 693624, 354936, 682379, 632469, 432806 };
unsigned int g_20_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42, 37, 26 };
static unsigned int g_6_6_4_hd_code_parity_bms[] = { 7, 56, 56, 11, 21, 38 };
static unsigned int g_6_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38 };
static unsigned int g_7_6_4_hd_code_parity_bms[] = { 71, 120, 120, 11, 21, 38 };
static unsigned int g_7_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7 };
static unsigned int g_8_6_4_hd_code_parity_bms[] = { 71, 120, 120, 139, 149, 166 };
static unsigned int g_8_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56 };
static unsigned int g_9_6_4_hd_code_parity_bms[] = { 327, 376, 120, 395, 149, 166 };
static unsigned int g_9_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11 };
static unsigned int g_10_6_4_hd_code_parity_bms[] = { 327, 376, 632, 395, 661, 678 };
static unsigned int g_10_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52 };
static unsigned int g_11_6_4_hd_code_parity_bms[] = { 1351, 1400, 632, 395, 1685, 678 };
static unsigned int g_11_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19 };
static unsigned int g_13_6_4_hd_code_parity_bms[] = { 5447, 5496, 2680, 2443, 1685, 6822 };
static unsigned int g_13_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35 };
static unsigned int g_14_6_4_hd_code_parity_bms[] = { 5447, 5496, 10872, 10635, 9877, 6822 };
static unsigned int g_14_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28 };
static unsigned int g_15_6_4_hd_code_parity_bms[] = { 21831, 5496, 27256, 27019, 9877, 6822 };
static unsigned int g_15_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13 };
static unsigned int g_16_6_4_hd_code_parity_bms[] = { 21831, 38264, 27256, 27019, 42645, 39590 };
static unsigned int g_16_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50 };
static unsigned int g_17_6_4_hd_code_parity_bms[] = { 87367, 38264, 92792, 27019, 108181, 39590 };
static unsigned int g_17_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21 };
static unsigned int g_18_6_4_hd_code_parity_bms[] = { 87367, 169336, 92792, 158091, 108181, 170662 };
static unsigned int g_18_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42 };
static unsigned int g_19_6_4_hd_code_parity_bms[] = { 349511, 169336, 354936, 158091, 108181, 432806 };
static unsigned int g_19_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42, 37 };
static unsigned int g_20_6_4_hd_code_parity_bms[] = { 349511, 693624, 354936, 682379, 632469, 432806 };
static unsigned int g_20_6_4_hd_code_data_bms[] = { 25, 41, 49, 14, 22, 38, 7, 56, 11, 52, 19, 44, 35, 28, 13, 50, 21, 42, 37, 26 };
unsigned int g_5_5_3_hd_code_parity_bms[] = { 3, 12, 17, 6, 24 };
unsigned int g_5_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20 };
unsigned int g_6_5_3_hd_code_parity_bms[] = { 35, 44, 17, 6, 24 };
unsigned int g_6_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3 };
unsigned int g_7_5_3_hd_code_parity_bms[] = { 35, 44, 81, 70, 24 };
unsigned int g_7_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12 };
unsigned int g_8_5_3_hd_code_parity_bms[] = { 163, 44, 81, 70, 152 };
unsigned int g_8_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17 };
unsigned int g_9_5_3_hd_code_parity_bms[] = { 163, 300, 337, 70, 152 };
unsigned int g_9_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17, 6 };
static unsigned int g_5_5_3_hd_code_parity_bms[] = { 3, 12, 17, 6, 24 };
static unsigned int g_5_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20 };
static unsigned int g_6_5_3_hd_code_parity_bms[] = { 35, 44, 17, 6, 24 };
static unsigned int g_6_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3 };
static unsigned int g_7_5_3_hd_code_parity_bms[] = { 35, 44, 81, 70, 24 };
static unsigned int g_7_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12 };
static unsigned int g_8_5_3_hd_code_parity_bms[] = { 163, 44, 81, 70, 152 };
static unsigned int g_8_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17 };
static unsigned int g_9_5_3_hd_code_parity_bms[] = { 163, 300, 337, 70, 152 };
static unsigned int g_9_5_3_hd_code_data_bms[] = { 5, 9, 10, 18, 20, 3, 12, 17, 6 };
unsigned int g_5_5_4_hd_code_parity_bms[] = { 7, 25, 14, 19, 28 };
unsigned int g_5_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26 };
unsigned int g_6_5_4_hd_code_parity_bms[] = { 39, 57, 46, 19, 28 };
unsigned int g_6_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7 };
unsigned int g_7_5_4_hd_code_parity_bms[] = { 103, 57, 46, 83, 92 };
unsigned int g_7_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25 };
unsigned int g_8_5_4_hd_code_parity_bms[] = { 103, 185, 174, 211, 92 };
unsigned int g_8_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14 };
unsigned int g_9_5_4_hd_code_parity_bms[] = { 359, 441, 174, 211, 348 };
unsigned int g_9_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14, 19 };
unsigned int g_10_5_4_hd_code_parity_bms[] = { 359, 441, 686, 723, 860 };
unsigned int g_10_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14, 19, 28 };
static unsigned int g_5_5_4_hd_code_parity_bms[] = { 7, 25, 14, 19, 28 };
static unsigned int g_5_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26 };
static unsigned int g_6_5_4_hd_code_parity_bms[] = { 39, 57, 46, 19, 28 };
static unsigned int g_6_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7 };
static unsigned int g_7_5_4_hd_code_parity_bms[] = { 103, 57, 46, 83, 92 };
static unsigned int g_7_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25 };
static unsigned int g_8_5_4_hd_code_parity_bms[] = { 103, 185, 174, 211, 92 };
static unsigned int g_8_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14 };
static unsigned int g_9_5_4_hd_code_parity_bms[] = { 359, 441, 174, 211, 348 };
static unsigned int g_9_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14, 19 };
static unsigned int g_10_5_4_hd_code_parity_bms[] = { 359, 441, 686, 723, 860 };
static unsigned int g_10_5_4_hd_code_data_bms[] = { 11, 13, 21, 22, 26, 7, 25, 14, 19, 28 };
// Indexed by k
unsigned int * hd4_m5_parity[11] = { 0, 0, 0, 0, 0, g_5_5_4_hd_code_parity_bms, g_6_5_4_hd_code_parity_bms, g_7_5_4_hd_code_parity_bms, g_8_5_4_hd_code_parity_bms, g_9_5_4_hd_code_parity_bms, g_10_5_4_hd_code_parity_bms };
unsigned int * hd4_m5_data[11] = { 0, 0, 0, 0, 0, g_5_5_4_hd_code_data_bms, g_6_5_4_hd_code_data_bms, g_7_5_4_hd_code_data_bms, g_8_5_4_hd_code_data_bms, g_9_5_4_hd_code_data_bms, g_10_5_4_hd_code_data_bms };
unsigned int * hd4_m6_parity[21] = { 0, 0, 0, 0, 0, 0, g_6_6_4_hd_code_parity_bms, g_7_6_4_hd_code_parity_bms, g_8_6_4_hd_code_parity_bms, g_9_6_4_hd_code_parity_bms, g_10_6_4_hd_code_parity_bms, g_11_6_4_hd_code_parity_bms, g_12_6_4_hd_code_parity_bms, g_13_6_4_hd_code_parity_bms, g_14_6_4_hd_code_parity_bms, g_15_6_4_hd_code_parity_bms, g_16_6_4_hd_code_parity_bms, g_17_6_4_hd_code_parity_bms, g_18_6_4_hd_code_parity_bms, g_19_6_4_hd_code_parity_bms, g_20_6_4_hd_code_parity_bms };
static unsigned int * hd4_m5_parity[11] = { 0, 0, 0, 0, 0, g_5_5_4_hd_code_parity_bms, g_6_5_4_hd_code_parity_bms, g_7_5_4_hd_code_parity_bms, g_8_5_4_hd_code_parity_bms, g_9_5_4_hd_code_parity_bms, g_10_5_4_hd_code_parity_bms };
static unsigned int * hd4_m5_data[11] = { 0, 0, 0, 0, 0, g_5_5_4_hd_code_data_bms, g_6_5_4_hd_code_data_bms, g_7_5_4_hd_code_data_bms, g_8_5_4_hd_code_data_bms, g_9_5_4_hd_code_data_bms, g_10_5_4_hd_code_data_bms };
static unsigned int * hd4_m6_parity[21] = { 0, 0, 0, 0, 0, 0, g_6_6_4_hd_code_parity_bms, g_7_6_4_hd_code_parity_bms, g_8_6_4_hd_code_parity_bms, g_9_6_4_hd_code_parity_bms, g_10_6_4_hd_code_parity_bms, g_11_6_4_hd_code_parity_bms, g_12_6_4_hd_code_parity_bms, g_13_6_4_hd_code_parity_bms, g_14_6_4_hd_code_parity_bms, g_15_6_4_hd_code_parity_bms, g_16_6_4_hd_code_parity_bms, g_17_6_4_hd_code_parity_bms, g_18_6_4_hd_code_parity_bms, g_19_6_4_hd_code_parity_bms, g_20_6_4_hd_code_parity_bms };
unsigned int * hd4_m6_data[21] = { 0, 0, 0, 0, 0, 0, g_6_6_4_hd_code_data_bms, g_7_6_4_hd_code_data_bms, g_8_6_4_hd_code_data_bms, g_9_6_4_hd_code_data_bms, g_10_6_4_hd_code_data_bms, g_11_6_4_hd_code_data_bms, g_12_6_4_hd_code_data_bms, g_13_6_4_hd_code_data_bms, g_14_6_4_hd_code_data_bms, g_15_6_4_hd_code_data_bms, g_16_6_4_hd_code_data_bms, g_17_6_4_hd_code_data_bms, g_18_6_4_hd_code_data_bms, g_19_6_4_hd_code_data_bms, g_20_6_4_hd_code_data_bms };
static unsigned int * hd4_m6_data[21] = { 0, 0, 0, 0, 0, 0, g_6_6_4_hd_code_data_bms, g_7_6_4_hd_code_data_bms, g_8_6_4_hd_code_data_bms, g_9_6_4_hd_code_data_bms, g_10_6_4_hd_code_data_bms, g_11_6_4_hd_code_data_bms, g_12_6_4_hd_code_data_bms, g_13_6_4_hd_code_data_bms, g_14_6_4_hd_code_data_bms, g_15_6_4_hd_code_data_bms, g_16_6_4_hd_code_data_bms, g_17_6_4_hd_code_data_bms, g_18_6_4_hd_code_data_bms, g_19_6_4_hd_code_data_bms, g_20_6_4_hd_code_data_bms };
unsigned int * hd3_m5_parity[11] = { 0, 0, 0, 0, 0, g_5_5_3_hd_code_parity_bms, g_6_5_3_hd_code_parity_bms, g_7_5_3_hd_code_parity_bms, g_8_5_3_hd_code_parity_bms, g_9_5_3_hd_code_parity_bms, g_10_5_3_hd_code_parity_bms };
unsigned int * hd3_m5_data[11] = { 0, 0, 0, 0, 0, g_5_5_3_hd_code_data_bms, g_6_5_3_hd_code_data_bms, g_7_5_3_hd_code_data_bms, g_8_5_3_hd_code_data_bms, g_9_5_3_hd_code_data_bms, g_10_5_3_hd_code_data_bms };
unsigned int * hd3_m6_parity[16] = { 0, 0, 0, 0, 0, 0, g_6_6_3_hd_code_parity_bms, g_7_6_3_hd_code_parity_bms, g_8_6_3_hd_code_parity_bms, g_9_6_3_hd_code_parity_bms, g_10_6_3_hd_code_parity_bms, g_11_6_3_hd_code_parity_bms, g_12_6_3_hd_code_parity_bms, g_13_6_3_hd_code_parity_bms, g_14_6_3_hd_code_parity_bms, g_15_6_3_hd_code_parity_bms };
unsigned int * hd3_m6_data[16] = { 0, 0, 0, 0, 0, 0, g_6_6_3_hd_code_data_bms, g_7_6_3_hd_code_data_bms, g_8_6_3_hd_code_data_bms, g_9_6_3_hd_code_data_bms, g_10_6_3_hd_code_data_bms, g_11_6_3_hd_code_data_bms, g_12_6_3_hd_code_data_bms, g_13_6_3_hd_code_data_bms, g_14_6_3_hd_code_data_bms, g_15_6_3_hd_code_data_bms };
static unsigned int * hd3_m5_parity[11] = { 0, 0, 0, 0, 0, g_5_5_3_hd_code_parity_bms, g_6_5_3_hd_code_parity_bms, g_7_5_3_hd_code_parity_bms, g_8_5_3_hd_code_parity_bms, g_9_5_3_hd_code_parity_bms, g_10_5_3_hd_code_parity_bms };
static unsigned int * hd3_m5_data[11] = { 0, 0, 0, 0, 0, g_5_5_3_hd_code_data_bms, g_6_5_3_hd_code_data_bms, g_7_5_3_hd_code_data_bms, g_8_5_3_hd_code_data_bms, g_9_5_3_hd_code_data_bms, g_10_5_3_hd_code_data_bms };
static unsigned int * hd3_m6_parity[16] = { 0, 0, 0, 0, 0, 0, g_6_6_3_hd_code_parity_bms, g_7_6_3_hd_code_parity_bms, g_8_6_3_hd_code_parity_bms, g_9_6_3_hd_code_parity_bms, g_10_6_3_hd_code_parity_bms, g_11_6_3_hd_code_parity_bms, g_12_6_3_hd_code_parity_bms, g_13_6_3_hd_code_parity_bms, g_14_6_3_hd_code_parity_bms, g_15_6_3_hd_code_parity_bms };
static unsigned int * hd3_m6_data[16] = { 0, 0, 0, 0, 0, 0, g_6_6_3_hd_code_data_bms, g_7_6_3_hd_code_data_bms, g_8_6_3_hd_code_data_bms, g_9_6_3_hd_code_data_bms, g_10_6_3_hd_code_data_bms, g_11_6_3_hd_code_data_bms, g_12_6_3_hd_code_data_bms, g_13_6_3_hd_code_data_bms, g_14_6_3_hd_code_data_bms, g_15_6_3_hd_code_data_bms };
unsigned int * hd3_m3_parity[4] = { 0, 0, 0, g_3_3_3_hd_code_parity_bms };
unsigned int * hd3_m3_data[4] = { 0, 0, 0, g_3_3_3_hd_code_data_bms };
static unsigned int * hd3_m3_parity[4] = { 0, 0, 0, g_3_3_3_hd_code_parity_bms };
static unsigned int * hd3_m3_data[4] = { 0, 0, 0, g_3_3_3_hd_code_data_bms };
unsigned int ** parity_bm_hd4 [7] = { 0, 0, 0, 0, 0, hd4_m5_parity, hd4_m6_parity };
unsigned int ** data_bm_hd4 [7] = { 0, 0, 0, 0, 0, hd4_m5_data, hd4_m6_data };
unsigned int ** parity_bm_hd3 [7] = { 0, 0, 0, hd3_m3_parity, 0, hd3_m5_parity, hd3_m6_parity };
unsigned int ** data_bm_hd3 [7] = { 0, 0, 0, hd3_m3_data, 0, hd3_m5_data, hd3_m6_data };
static unsigned int ** parity_bm_hd4 [7] = { 0, 0, 0, 0, 0, hd4_m5_parity, hd4_m6_parity };
static unsigned int ** data_bm_hd4 [7] = { 0, 0, 0, 0, 0, hd4_m5_data, hd4_m6_data };
static unsigned int ** parity_bm_hd3 [7] = { 0, 0, 0, hd3_m3_parity, 0, hd3_m5_parity, hd3_m6_parity };
static unsigned int ** data_bm_hd3 [7] = { 0, 0, 0, hd3_m3_data, 0, hd3_m5_data, hd3_m6_data };
#define PARITY_BM_ARY(k, m, hd) (hd == 3) ? parity_bm_hd3[m][k] : parity_bm_hd4[m][k]
#define DATA_BM_ARY(k, m, hd) (hd == 3) ? data_bm_hd3[m][k] : data_bm_hd4[m][k]

91
libXorcode.sym
View File

@@ -1,94 +1,3 @@
D data_bm_hd3
D data_bm_hd4
D g_10_5_3_hd_code_data_bms
D g_10_5_3_hd_code_parity_bms
D g_10_5_4_hd_code_data_bms
D g_10_5_4_hd_code_parity_bms
D g_10_6_3_hd_code_data_bms
D g_10_6_3_hd_code_parity_bms
D g_10_6_4_hd_code_data_bms
D g_10_6_4_hd_code_parity_bms
D g_11_6_3_hd_code_data_bms
D g_11_6_3_hd_code_parity_bms
D g_11_6_4_hd_code_data_bms
D g_11_6_4_hd_code_parity_bms
D g_12_6_3_hd_code_data_bms
D g_12_6_3_hd_code_parity_bms
D g_12_6_4_hd_code_data_bms
D g_12_6_4_hd_code_parity_bms
D g_13_6_3_hd_code_data_bms
D g_13_6_3_hd_code_parity_bms
D g_13_6_4_hd_code_data_bms
D g_13_6_4_hd_code_parity_bms
D g_14_6_3_hd_code_data_bms
D g_14_6_3_hd_code_parity_bms
D g_14_6_4_hd_code_data_bms
D g_14_6_4_hd_code_parity_bms
D g_15_6_3_hd_code_data_bms
D g_15_6_3_hd_code_parity_bms
D g_15_6_4_hd_code_data_bms
D g_15_6_4_hd_code_parity_bms
D g_16_6_4_hd_code_data_bms
D g_16_6_4_hd_code_parity_bms
D g_17_6_4_hd_code_data_bms
D g_17_6_4_hd_code_parity_bms
D g_18_6_4_hd_code_data_bms
D g_18_6_4_hd_code_parity_bms
D g_19_6_4_hd_code_data_bms
D g_19_6_4_hd_code_parity_bms
D g_20_6_4_hd_code_data_bms
D g_20_6_4_hd_code_parity_bms
D g_3_3_3_hd_code_data_bms
D g_3_3_3_hd_code_parity_bms
D g_5_5_3_hd_code_data_bms
D g_5_5_3_hd_code_parity_bms
D g_5_5_4_hd_code_data_bms
D g_5_5_4_hd_code_parity_bms
D g_6_5_3_hd_code_data_bms
D g_6_5_3_hd_code_parity_bms
D g_6_5_4_hd_code_data_bms
D g_6_5_4_hd_code_parity_bms
D g_6_6_3_hd_code_data_bms
D g_6_6_3_hd_code_parity_bms
D g_6_6_4_hd_code_data_bms
D g_6_6_4_hd_code_parity_bms
D g_7_5_3_hd_code_data_bms
D g_7_5_3_hd_code_parity_bms
D g_7_5_4_hd_code_data_bms
D g_7_5_4_hd_code_parity_bms
D g_7_6_3_hd_code_data_bms
D g_7_6_3_hd_code_parity_bms
D g_7_6_4_hd_code_data_bms
D g_7_6_4_hd_code_parity_bms
D g_8_5_3_hd_code_data_bms
D g_8_5_3_hd_code_parity_bms
D g_8_5_4_hd_code_data_bms
D g_8_5_4_hd_code_parity_bms
D g_8_6_3_hd_code_data_bms
D g_8_6_3_hd_code_parity_bms
D g_8_6_4_hd_code_data_bms
D g_8_6_4_hd_code_parity_bms
D g_9_5_3_hd_code_data_bms
D g_9_5_3_hd_code_parity_bms
D g_9_5_4_hd_code_data_bms
D g_9_5_4_hd_code_parity_bms
D g_9_6_3_hd_code_data_bms
D g_9_6_3_hd_code_parity_bms
D g_9_6_4_hd_code_data_bms
D g_9_6_4_hd_code_parity_bms
D hd3_m3_data
D hd3_m3_parity
D hd3_m5_data
D hd3_m5_parity
D hd3_m6_data
D hd3_m6_parity
D hd4_m5_data
D hd4_m5_parity
D hd4_m6_data
D hd4_m6_parity
D parity_bm_hd3
D parity_bm_hd4
R g_bit_lookup
T data_bit_lookup
T does_parity_have_data
T fast_memcpy

54
liberasurecode.sym
View File

@@ -1,29 +1,3 @@
B active_instances
B active_instances_rwlock
B ec_backends_supported_str
B flat_xor_hd
B flat_xor_hd_ops
B ilog_table
B ilog_table_begin
B isa_l_rs_cauchy
B isa_l_rs_cauchy_ops
B isa_l_rs_vand
B isa_l_rs_vand_ops
B jerasure_rs_cauchy
B jerasure_rs_cauchy_ops
B jerasure_rs_vand
B jerasure_rs_vand_ops
B liberasurecode_rs_vand
B liberasurecode_rs_vand_ops
B libphazr
B libphazr_ops
B log_table
B next_backend_desc
B null
B null_ops
B num_supported_backends
B shss
B shss_ops
D backend_flat_xor_hd
D backend_isa_l_rs_cauchy
D backend_isa_l_rs_vand
@@ -33,18 +7,6 @@ D backend_liberasurecode_rs_vand
D backend_libphazr
D backend_null
D backend_shss
D ec_backends_supported
D flat_xor_hd_op_stubs
D isa_l_rs_cauchy_op_stubs
D isa_l_rs_vand_op_stubs
D jerasure_rs_cauchy_op_stubs
D jerasure_rs_vand_op_stubs
D liberasurecode_rs_vand_op_stubs
D libphazr_op_stubs
D null_op_stubs
D shss_op_stubs
D valid_gf_w
D valid_pairs
T add_fragment_metadata
T alloc_and_set_buffer
T alloc_fragment_buffer
@@ -70,15 +32,11 @@ T get_fragment_ptr_array_from_data
T get_fragment_ptr_from_data
T get_fragment_ptr_from_data_novalidate
T get_fragment_size
T get_galois_multi_func
T get_galois_uninit_func
T get_jerasure_sohandle
T get_libec_version
T get_orig_data_size
T init_alg_sig
T is_invalid_fragment
T is_invalid_fragment_header
T is_invalid_fragment_metadata
T isa_l_common_init
T isa_l_decode
T isa_l_element_size
@@ -86,13 +44,8 @@ T isa_l_encode
T isa_l_exit
T isa_l_min_fragments
T isa_l_reconstruct
T liberasurecode_backend_alloc_desc
T liberasurecode_backend_available
T liberasurecode_backend_close
T liberasurecode_backend_instance_get_by_desc
T liberasurecode_backend_instance_register
T liberasurecode_backend_instance_unregister
T liberasurecode_backend_open
T liberasurecode_crc32_alt
T liberasurecode_decode
T liberasurecode_decode_cleanup
@@ -111,14 +64,8 @@ T liberasurecode_instance_destroy
T liberasurecode_reconstruct_fragment
T liberasurecode_verify_fragment_metadata
T liberasurecode_verify_stripe_metadata
T load_gf_functions
T prepare_fragments_for_decode
T prepare_fragments_for_encode
T rs_galois_deinit_tables
T rs_galois_div
T rs_galois_init_tables
T rs_galois_inverse
T rs_galois_mult
T set_backend_id
T set_backend_version
T set_checksum
@@ -127,4 +74,3 @@ T set_fragment_idx
T set_fragment_payload_size
T set_libec_version
T set_orig_data_size
T stub_galois_uninit_field

17
liberasurecode_rs_vand.sym
View File

@@ -1,17 +1,7 @@
B ilog_table
B ilog_table_begin
B log_table
T col_mult
T col_mult_and_add
T copy_row
T create_decoding_matrix
T create_non_systematic_vand_matrix
T deinit_liberasurecode_rs_vand
T free_systematic_matrix
T gaussj_inversion
T get_first_k_available
T get_matrix_row
T get_non_zero_diagonal
T init_liberasurecode_rs_vand
T is_identity_matrix
T is_missing
@@ -20,15 +10,8 @@ T liberasurecode_rs_vand_encode
T liberasurecode_rs_vand_reconstruct
T make_systematic_matrix
T print_matrix
T region_dot_product
T region_multiply
T region_xor
T row_mult
T row_mult_and_add
T rs_galois_deinit_tables
T rs_galois_div
T rs_galois_init_tables
T rs_galois_inverse
T rs_galois_mult
T square_matrix_multiply
T swap_matrix_rows

1
src/Makefile.am
View File

@@ -28,7 +28,6 @@ liberasurecode_la_SOURCES = \
backends/isa-l/isa_l_rs_vand.c \
backends/isa-l/isa_l_rs_cauchy.c \
backends/rs_vand/liberasurecode_rs_vand.c \
builtin/rs_vand/rs_galois.c \
backends/shss/shss.c \
backends/phazrio/libphazr.c

4
src/backends/isa-l/isa_l_rs_cauchy.c
View File

@@ -44,8 +44,6 @@
#endif
/* Forward declarations */
struct ec_backend_op_stubs isa_l_rs_cauchy_ops;
struct ec_backend isa_l_rs_cauchy;
struct ec_backend_common backend_isa_l_rs_cauchy;
static void * isa_l_rs_cauchy_init(struct ec_backend_args *args,
@@ -62,7 +60,7 @@ static bool isa_l_rs_cauchy_is_compatible_with(uint32_t version) {
return version == backend_isa_l_rs_cauchy.ec_backend_version;
}
struct ec_backend_op_stubs isa_l_rs_cauchy_op_stubs = {
static struct ec_backend_op_stubs isa_l_rs_cauchy_op_stubs = {
.INIT = isa_l_rs_cauchy_init,
.EXIT = isa_l_exit,
.ENCODE = isa_l_encode,

4
src/backends/isa-l/isa_l_rs_vand.c
View File

@@ -43,8 +43,6 @@
#endif
/* Forward declarations */
struct ec_backend_op_stubs isa_l_rs_vand_ops;
struct ec_backend isa_l_rs_vand;
struct ec_backend_common backend_isa_l_rs_vand;
static void * isa_l_rs_vand_init(struct ec_backend_args *args,
@@ -61,7 +59,7 @@ static bool isa_l_rs_vand_is_compatible_with(uint32_t version) {
return version == backend_isa_l_rs_vand.ec_backend_version;
}
struct ec_backend_op_stubs isa_l_rs_vand_op_stubs = {
static struct ec_backend_op_stubs isa_l_rs_vand_op_stubs = {
.INIT = isa_l_rs_vand_init,
.EXIT = isa_l_exit,
.ENCODE = isa_l_encode,

4
src/backends/jerasure/jerasure_rs_cauchy.c
View File

@@ -46,8 +46,6 @@
#endif
/* Forward declarations */
struct ec_backend_op_stubs jerasure_rs_cauchy_ops;
struct ec_backend jerasure_rs_cauchy;
struct ec_backend_common backend_jerasure_rs_cauchy;
typedef int* (*cauchy_original_coding_matrix_func)(int, int, int);
@@ -451,7 +449,7 @@ static bool jerasure_rs_cauchy_is_compatible_with(uint32_t version) {
return version == backend_jerasure_rs_cauchy.ec_backend_version;
}
struct ec_backend_op_stubs jerasure_rs_cauchy_op_stubs = {
static struct ec_backend_op_stubs jerasure_rs_cauchy_op_stubs = {
.INIT = jerasure_rs_cauchy_init,
.EXIT = jerasure_rs_cauchy_exit,
.ENCODE = jerasure_rs_cauchy_encode,

4
src/backends/jerasure/jerasure_rs_vand.c
View File

@@ -46,8 +46,6 @@
#endif
/* Forward declarations */
struct ec_backend_op_stubs jerasure_rs_vand_ops;
struct ec_backend jerasure_rs_vand;
struct ec_backend_common backend_jerasure_rs_vand;
typedef int* (*reed_sol_vandermonde_coding_matrix_func)(int, int, int);
@@ -359,7 +357,7 @@ static bool jerasure_rs_vand_is_compatible_with(uint32_t version) {
return version == backend_jerasure_rs_vand.ec_backend_version;
}
struct ec_backend_op_stubs jerasure_rs_vand_op_stubs = {
static struct ec_backend_op_stubs jerasure_rs_vand_op_stubs = {
.INIT = jerasure_rs_vand_init,
.EXIT = jerasure_rs_vand_exit,
.ENCODE = jerasure_rs_vand_encode,

4
src/backends/null/null.c
View File

@@ -42,8 +42,6 @@
#define NULL_SO_NAME "libnullcode" LIBERASURECODE_SO_SUFFIX ".so.1"
#endif
/* Forward declarations */
struct ec_backend null;
struct ec_backend_op_stubs null_ops;
typedef void* (*init_null_code_func)(int, int, int);
typedef int (*null_code_encode_func)(void *, char **, char **, int);
@@ -215,7 +213,7 @@ static bool null_is_compatible_with(uint32_t version) {
return true;
}
struct ec_backend_op_stubs null_op_stubs = {
static struct ec_backend_op_stubs null_op_stubs = {
.INIT = null_init,
.EXIT = null_exit,
.ENCODE = null_encode,

4
src/backends/phazrio/libphazr.c
View File

@@ -45,8 +45,6 @@
#endif
/* Forward declarations */
struct ec_backend libphazr;
struct ec_backend_op_stubs libphazr_ops;
struct ec_backend_common backend_libphazr;
typedef int (*pio_matrix_encode_func)(char *, char *, char **, int, int, int, int, int, int);
@@ -366,7 +364,7 @@ static size_t pio_get_encode_offset(void *desc, int metadata_size)
}
struct ec_backend_op_stubs libphazr_op_stubs = {
static struct ec_backend_op_stubs libphazr_op_stubs = {
.INIT = pio_init,
.EXIT = pio_exit,
.ENCODE = pio_matrix_encode,

4
src/backends/rs_vand/liberasurecode_rs_vand.c
View File

@@ -44,8 +44,6 @@
#endif
/* Forward declarations */
struct ec_backend_op_stubs liberasurecode_rs_vand_ops;
struct ec_backend liberasurecode_rs_vand;
struct ec_backend_common backend_liberasurecode_rs_vand;
typedef int (*liberasurecode_rs_vand_encode_func)(int *, char **, char **, int, int, int);
@@ -289,7 +287,7 @@ static bool liberasurecode_rs_vand_is_compatible_with(uint32_t version) {
return version == backend_liberasurecode_rs_vand.ec_backend_version;
}
struct ec_backend_op_stubs liberasurecode_rs_vand_op_stubs = {
static struct ec_backend_op_stubs liberasurecode_rs_vand_op_stubs = {
.INIT = liberasurecode_rs_vand_init,
.EXIT = liberasurecode_rs_vand_exit,
.ENCODE = liberasurecode_rs_vand_encode,

4
src/backends/shss/shss.c
View File

@@ -38,8 +38,6 @@
#include "erasurecode_backend.h"
/* Forward declarations */
struct ec_backend shss;
struct ec_backend_op_stubs shss_ops;
struct ec_backend_common backend_shss;
typedef int (*shss_encode_func)(char **, size_t, int, int, int, int, long long *);
@@ -290,7 +288,7 @@ static size_t shss_get_backend_metadata_size(void *desc, int blocksize) {
return METADATA;
}
struct ec_backend_op_stubs shss_op_stubs = {
static struct ec_backend_op_stubs shss_op_stubs = {
.INIT = shss_init,
.EXIT = shss_exit,
.ENCODE = shss_encode,

4
src/backends/xor/flat_xor_hd.c
View File

@@ -46,8 +46,6 @@
#define DEFAULT_W 32
/* Forward declarations */
struct ec_backend_op_stubs flat_xor_hd_ops;
struct ec_backend flat_xor_hd;
struct ec_backend_common backend_flat_xor_hd;
typedef xor_code_t* (*init_xor_hd_code_func)(int, int, int);
@@ -169,7 +167,7 @@ static bool flat_xor_is_compatible_with(uint32_t version) {
return version == backend_flat_xor_hd.ec_backend_version;
}
struct ec_backend_op_stubs flat_xor_hd_op_stubs = {
static struct ec_backend_op_stubs flat_xor_hd_op_stubs = {
.INIT = flat_xor_hd_init,
.EXIT = flat_xor_hd_exit,
.ENCODE = flat_xor_hd_encode,

26
src/builtin/rs_vand/liberasurecode_rs_vand.c
View File

@@ -91,12 +91,12 @@ int is_identity_matrix(int *matrix, int n)
return 1;
}
int* get_matrix_row(int *matrix, int row_idx, int num_cols)
static int* get_matrix_row(int *matrix, int row_idx, int num_cols)
{
return &matrix[row_idx * num_cols];
}
void copy_row(int *from_matrix, int *to_matrix, int from_row_idx, int to_row_idx, int num_cols)
static void copy_row(int *from_matrix, int *to_matrix, int from_row_idx, int to_row_idx, int num_cols)
{
int *from_row = get_matrix_row(from_matrix, from_row_idx, num_cols);
int *to_row = get_matrix_row(to_matrix, to_row_idx, num_cols);
@@ -142,7 +142,7 @@ void deinit_liberasurecode_rs_vand(void)
rs_galois_deinit_tables();
}
int * create_non_systematic_vand_matrix(int k, int m)
static int * create_non_systematic_vand_matrix(int k, int m)
{
int rows = k + m;
int cols = k;
@@ -169,7 +169,7 @@ int * create_non_systematic_vand_matrix(int k, int m)
}
// Swap the entries of two rows in a matrix
void swap_matrix_rows(int *r1, int *r2, int num_cols)
static void swap_matrix_rows(int *r1, int *r2, int num_cols)
{
int i;
int tmp;
@@ -181,7 +181,7 @@ void swap_matrix_rows(int *r1, int *r2, int num_cols)
}
}
void col_mult(int *matrix, int elem, int col_idx, int num_rows, int num_cols)
static void col_mult(int *matrix, int elem, int col_idx, int num_rows, int num_cols)
{
int i;
@@ -191,7 +191,7 @@ void col_mult(int *matrix, int elem, int col_idx, int num_rows, int num_cols)
}
}
void row_mult(int *matrix, int elem, int row_idx, int num_rows, int num_cols)
static void row_mult(int *matrix, int elem, int row_idx, int num_rows, int num_cols)
{
int i, to_row = row_idx * num_cols;
@@ -201,7 +201,7 @@ void row_mult(int *matrix, int elem, int row_idx, int num_rows, int num_cols)
}
}
void col_mult_and_add(int *matrix, int elem, int from_col, int to_col, int num_rows, int num_cols)
static void col_mult_and_add(int *matrix, int elem, int from_col, int to_col, int num_rows, int num_cols)
{
int i;
@@ -212,7 +212,7 @@ void col_mult_and_add(int *matrix, int elem, int from_col, int to_col, int num_r
}
}
void row_mult_and_add(int *matrix, int elem, int from_row, int to_row, int num_rows, int num_cols)
static void row_mult_and_add(int *matrix, int elem, int from_row, int to_row, int num_rows, int num_cols)
{
int i;
from_row = from_row * num_cols;
@@ -224,7 +224,7 @@ void row_mult_and_add(int *matrix, int elem, int from_row, int to_row, int num_r
}
}
int get_non_zero_diagonal(int *matrix, int row, int num_rows, int num_cols)
static int get_non_zero_diagonal(int *matrix, int row, int num_rows, int num_cols)
{
int i, row_idx;
@@ -337,7 +337,7 @@ int gaussj_inversion(int *matrix, int *inverse, int n)
return 0;
}
void region_xor(char *from_buf, char *to_buf, int blocksize)
static void region_xor(char *from_buf, char *to_buf, int blocksize)
{
int i;
@@ -355,7 +355,7 @@ void region_xor(char *from_buf, char *to_buf, int blocksize)
}
}
void region_multiply(char *from_buf, char *to_buf, int mult, int xor, int blocksize)
static void region_multiply(char *from_buf, char *to_buf, int mult, int xor, int blocksize)
{
int i;
uint16_t *_from_buf = (uint16_t*)from_buf;
@@ -384,7 +384,7 @@ void region_multiply(char *from_buf, char *to_buf, int mult, int xor, int blocks
}
}
void region_dot_product(char **from_bufs, char *to_buf, int *matrix_row, int num_entries, int blocksize)
static void region_dot_product(char **from_bufs, char *to_buf, int *matrix_row, int num_entries, int blocksize)
{
int i;
@@ -411,7 +411,7 @@ int liberasurecode_rs_vand_encode(int *generator_matrix, char **data, char **par
return 0;
}
char **get_first_k_available(char **data, char **parity, int *missing, int k)
static char **get_first_k_available(char **data, char **parity, int *missing, int k)
{
int i, j;
char **first_k_available = (char**)malloc(sizeof(char*)*k);

8
src/builtin/rs_vand/rs_galois.c
View File

@@ -41,9 +41,9 @@
#define FIELD_SIZE (1 << 16)
#define GROUP_SIZE (FIELD_SIZE - 1)
int *log_table = NULL;
int *ilog_table = NULL;
int *ilog_table_begin = NULL;
static int *log_table = NULL;
static int *ilog_table = NULL;
static int *ilog_table_begin = NULL;
static int init_counter = 0;
void rs_galois_init_tables(void)
@@ -98,7 +98,7 @@ int rs_galois_mult(int x, int y)
return ilog_table[sum];
}
int rs_galois_div(int x, int y)
static int rs_galois_div(int x, int y)
{
int diff;
if (x == 0) return 0;

16
src/builtin/xor_codes/xor_code.c
View File

@@ -31,14 +31,14 @@
#include <time.h>
#include "xor_code.h"
const int g_bit_lookup[] = {0x1, 0x2, 0x4, 0x8,
0x10, 0x20, 0x40, 0x80,
0x100, 0x200, 0x400, 0x800,
0x1000, 0x2000, 0x4000, 0x8000,
0x10000, 0x20000, 0x40000, 0x80000,
0x100000, 0x200000, 0x400000, 0x800000,
0x1000000, 0x2000000, 0x4000000, 0x8000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000};
static const int g_bit_lookup[] = {0x1, 0x2, 0x4, 0x8,
0x10, 0x20, 0x40, 0x80,
0x100, 0x200, 0x400, 0x800,
0x1000, 0x2000, 0x4000, 0x8000,
0x10000, 0x20000, 0x40000, 0x80000,
0x100000, 0x200000, 0x400000, 0x800000,
0x1000000, 0x2000000, 0x4000000, 0x8000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000};
int is_data_in_parity(int data_idx, unsigned int parity_bm)
{

37
src/erasurecode.c
View File

@@ -53,7 +53,7 @@ extern struct ec_backend_common backend_liberasurecode_rs_vand;
extern struct ec_backend_common backend_isa_l_rs_cauchy;
extern struct ec_backend_common backend_libphazr;
ec_backend_t ec_backends_supported[] = {
static ec_backend_t ec_backends_supported[] = {
(ec_backend_t) &backend_null,
(ec_backend_t) &backend_jerasure_rs_vand,
(ec_backend_t) &backend_jerasure_rs_cauchy,
@@ -66,19 +66,15 @@ ec_backend_t ec_backends_supported[] = {
NULL,
};
/* backend list to return to the caller */
int num_supported_backends = 0;
char *ec_backends_supported_str[EC_BACKENDS_MAX];
/* =~=*=~==~=*=~==~=*=~= EC backend instance management =~=*=~==~=*=~==~=*= */
/* Registered erasure code backend instances */
SLIST_HEAD(backend_list, ec_backend) active_instances =
static SLIST_HEAD(backend_list, ec_backend) active_instances =
SLIST_HEAD_INITIALIZER(active_instances);
rwlock_t active_instances_rwlock = RWLOCK_INITIALIZER;
static rwlock_t active_instances_rwlock = RWLOCK_INITIALIZER;
/* Backend instance id */
int next_backend_desc = 0;
static int next_backend_desc = 0;
/**
* Look up a backend instance by descriptor
@@ -102,7 +98,7 @@ ec_backend_t liberasurecode_backend_instance_get_by_desc(int desc)
* Returns a unique descriptor for a new backend.
* The caller must hold active_instances_rwlock
*/
int liberasurecode_backend_alloc_desc(void)
static int liberasurecode_backend_alloc_desc(void)
{
for (;;) {
if (++next_backend_desc <= 0)
@@ -119,7 +115,7 @@ int liberasurecode_backend_alloc_desc(void)
*
* @returns new backend descriptor
*/
int liberasurecode_backend_instance_register(ec_backend_t instance)
static int liberasurecode_backend_instance_register(ec_backend_t instance)
{
int desc = -1; /* descriptor to return */
int rc = 0; /* return call value */
@@ -146,7 +142,7 @@ exit:
*
* @returns 0 on success, non-0 on error
*/
int liberasurecode_backend_instance_unregister(ec_backend_t instance)
static int liberasurecode_backend_instance_unregister(ec_backend_t instance)
{
int rc = 0; /* return call value */
@@ -174,7 +170,7 @@ static void print_dlerror(const char *caller)
}
/* Generic dlopen/dlclose routines */
void* liberasurecode_backend_open(ec_backend_t instance)
static void* liberasurecode_backend_open(ec_backend_t instance)
{
if (NULL == instance)
return NULL;
@@ -182,7 +178,7 @@ void* liberasurecode_backend_open(ec_backend_t instance)
return dlopen(instance->common.soname, RTLD_LAZY | RTLD_LOCAL);
}
int liberasurecode_backend_close(ec_backend_t instance)
static int liberasurecode_backend_close(ec_backend_t instance)
{
if (NULL == instance || NULL == instance->desc.backend_sohandle)
return 0;
@@ -200,23 +196,10 @@ void __attribute__ ((constructor))
liberasurecode_init(void) {
/* init logging */
openlog("liberasurecode", LOG_PID | LOG_CONS, LOG_USER);
/* populate supported backends list as a string */
{
int i;
for (i = 0; ec_backends_supported[i]; ++i) {
ec_backends_supported_str[i] = strdup(
ec_backends_supported[i]->common.name);
}
num_supported_backends = i;
}
}
void __attribute__ ((destructor))
liberasurecode_exit(void) {
int i;
for (i = 0; i < num_supported_backends; ++i)
free(ec_backends_supported_str[i]);
closelog();
}
@@ -1165,7 +1148,7 @@ int liberasurecode_verify_fragment_metadata(ec_backend_t be,
return 0;
}
int is_invalid_fragment_metadata(int desc, fragment_metadata_t *fragment_metadata)
static int is_invalid_fragment_metadata(int desc, fragment_metadata_t *fragment_metadata)
{
ec_backend_t be = liberasurecode_backend_instance_get_by_desc(desc);
if (!be) {

14
src/utils/chksum/alg_sig.c
View File

@@ -30,10 +30,10 @@
#define GALOIS_SINGLE_MULTIPLY "galois_single_multiply"
#define GALOIS_UNINIT "galois_uninit_field"
int valid_gf_w[] = { 8, 16, -1 };
int valid_pairs[][2] = { { 8, 32}, {16, 32}, {16, 64}, {-1, -1} };
/* valid GF w values: 8, 16 */
static int valid_pairs[][2] = { { 8, 32}, {16, 32}, {16, 64}, {-1, -1} };
galois_single_multiply_func get_galois_multi_func(void *handle) {
static galois_single_multiply_func get_galois_multi_func(void *handle) {
/*
* ISO C forbids casting a void* to a function pointer.
* Since dlsym return returns a void*, we use this union to
@@ -47,9 +47,9 @@ galois_single_multiply_func get_galois_multi_func(void *handle) {
return func_handle.fptr;
}
void stub_galois_uninit_field(int w){}
static void stub_galois_uninit_field(int w){}
galois_uninit_field_func get_galois_uninit_func(void *handle) {
static galois_uninit_field_func get_galois_uninit_func(void *handle) {
/*
* ISO C forbids casting a void* to a function pointer.
* Since dlsym return returns a void*, we use this union to
@@ -64,12 +64,12 @@ galois_uninit_field_func get_galois_uninit_func(void *handle) {
}
void *get_jerasure_sohandle(void)
static void *get_jerasure_sohandle(void)
{
return dlopen(JERASURE_SONAME, RTLD_LAZY | RTLD_LOCAL);
}
int load_gf_functions(void *sohandle, struct jerasure_mult_routines *routines)
static int load_gf_functions(void *sohandle, struct jerasure_mult_routines *routines)
{
routines->galois_single_multiply = get_galois_multi_func(sohandle);
routines->galois_uninit_field = get_galois_uninit_func(sohandle);