isa_l_rs_vand_inv.c File Reference

#include <stdlib.h>
#include "erasurecode_backend.h"
#include "isa_l_common.h"

Go to the source code of this file.

Macros
#define	ISA_L_RS_VAND_INV_LIB_MAJOR   1
#define	ISA_L_RS_VAND_INV_LIB_MINOR   0
#define	ISA_L_RS_VAND_INV_LIB_REV   0
#define	ISA_L_RS_VAND_INV_LIB_VER_STR   "1.0"
#define	ISA_L_RS_VAND_INV_LIB_NAME   "isa_l_rs_vand"
#define	ISA_L_RS_VAND_INV_SO_NAME   "libisal" LIBERASURECODE_SO_SUFFIX ".so.2"

Functions
static int	gen_encoding_matrix (isa_l_descriptor *desc, int m, int k)
static void *	isa_l_rs_vand_inv_init (struct ec_backend_args *args, void *backend_sohandle)
static bool	isa_l_rs_vand_inv_is_compatible_with (uint32_t version)
	__attribute__ ((visibility("internal")))

Variables
struct ec_backend_common	backend_isa_l_rs_vand_inv
static struct ec_backend_op_stubs	isa_l_rs_vand_inv_op_stubs

Macro Definition Documentation

ISA_L_RS_VAND_INV_LIB_MAJOR

#define ISA_L_RS_VAND_INV_LIB_MAJOR   1

Definition at line 35 of file isa_l_rs_vand_inv.c.

ISA_L_RS_VAND_INV_LIB_MINOR

#define ISA_L_RS_VAND_INV_LIB_MINOR   0

Definition at line 36 of file isa_l_rs_vand_inv.c.

ISA_L_RS_VAND_INV_LIB_NAME

#define ISA_L_RS_VAND_INV_LIB_NAME   "isa_l_rs_vand"

Definition at line 39 of file isa_l_rs_vand_inv.c.

ISA_L_RS_VAND_INV_LIB_REV

#define ISA_L_RS_VAND_INV_LIB_REV   0

Definition at line 37 of file isa_l_rs_vand_inv.c.

ISA_L_RS_VAND_INV_LIB_VER_STR

#define ISA_L_RS_VAND_INV_LIB_VER_STR   "1.0"

Definition at line 38 of file isa_l_rs_vand_inv.c.

ISA_L_RS_VAND_INV_SO_NAME

#define ISA_L_RS_VAND_INV_SO_NAME   "libisal" LIBERASURECODE_SO_SUFFIX ".so.2"

Definition at line 43 of file isa_l_rs_vand_inv.c.

Function Documentation

__attribute__()

__attribute__

(

(visibility("internal"))

)

Definition at line 231 of file isa_l_rs_vand_inv.c.

References ISA_L_RS_VAND_INV_LIB_MAJOR, ISA_L_RS_VAND_INV_LIB_MINOR, ISA_L_RS_VAND_INV_LIB_NAME, ISA_L_RS_VAND_INV_LIB_REV, ISA_L_RS_VAND_INV_LIB_VER_STR, isa_l_rs_vand_inv_op_stubs, and ISA_L_RS_VAND_INV_SO_NAME.

gen_encoding_matrix()

static int gen_encoding_matrix ( isa_l_descriptor *  desc, int  m, int  k  )

static

Should never happen as it's a proper Vandermonde matrix, but belt & bracers...

Now we're ready to build the encoding matrix: inv(A') * A. Save some multiplies by going straight to I for the start.

Definition at line 49 of file isa_l_rs_vand_inv.c.

Referenced by isa_l_rs_vand_inv_init().

isa_l_rs_vand_inv_init()

static void * isa_l_rs_vand_inv_init ( struct ec_backend_args *  args, void *  backend_sohandle  )

static

Generate the tables for encoding

Definition at line 109 of file isa_l_rs_vand_inv.c.

References gen_encoding_matrix().

isa_l_rs_vand_inv_is_compatible_with()

static bool isa_l_rs_vand_inv_is_compatible_with ( uint32_t  version )

static

Definition at line 213 of file isa_l_rs_vand_inv.c.

References backend_isa_l_rs_vand_inv.

Variable Documentation

backend_isa_l_rs_vand_inv

struct ec_backend_common backend_isa_l_rs_vand_inv

Definition at line 47 of file isa_l_rs_vand_inv.c.

Referenced by isa_l_rs_vand_inv_is_compatible_with().

isa_l_rs_vand_inv_op_stubs

struct ec_backend_op_stubs isa_l_rs_vand_inv_op_stubs

static

Initial value:

= {
    .INIT                       = isa_l_rs_vand_inv_init,
    .EXIT                       = isa_l_exit,
    .ISSYSTEMATIC               = 1,
    .ENCODE                     = isa_l_encode,
    .DECODE                     = isa_l_decode,
    .FRAGSNEEDED                = isa_l_min_fragments,
    .RECONSTRUCT                = isa_l_reconstruct,
    .ELEMENTSIZE                = isa_l_element_size,
    .ISCOMPATIBLEWITH           = isa_l_rs_vand_inv_is_compatible_with,
    .GETMETADATASIZE            = get_backend_metadata_size_zero,
    .GETENCODEOFFSET            = get_encode_offset_zero,
}

Definition at line 217 of file isa_l_rs_vand_inv.c.

Referenced by __attribute__().