isa-l/erasure_code/ppc64le/ec_base_vsx.c

#include "erasure_code.h"
#include "ec_base_vsx.h"

void
gf_vect_dot_prod(int len, int vlen, unsigned char *v, unsigned char **src, unsigned char *dest)
{
        gf_vect_dot_prod_vsx(len, vlen, v, src, dest);
}

void
gf_vect_mad(int len, int vec, int vec_i, unsigned char *v, unsigned char *src, unsigned char *dest)
{
        gf_vect_mad_vsx(len, vec, vec_i, v, src, dest);
}

void
ec_encode_data(int len, int srcs, int dests, unsigned char *v, unsigned char **src,
               unsigned char **dest)
{
        if (len < 64) {
                ec_encode_data_base(len, srcs, dests, v, src, dest);
                return;
        }

        while (dests >= 6) {
                gf_6vect_dot_prod_vsx(len, srcs, v, src, dest);
                v += 6 * srcs * 32;
                dest += 6;
                dests -= 6;
        }
        switch (dests) {
        case 6:
                gf_6vect_dot_prod_vsx(len, srcs, v, src, dest);
                break;
        case 5:
                gf_5vect_dot_prod_vsx(len, srcs, v, src, dest);
                break;
        case 4:
                gf_4vect_dot_prod_vsx(len, srcs, v, src, dest);
                break;
        case 3:
                gf_3vect_dot_prod_vsx(len, srcs, v, src, dest);
                break;
        case 2:
                gf_2vect_dot_prod_vsx(len, srcs, v, src, dest);
                break;
        case 1:
                gf_vect_dot_prod_vsx(len, srcs, v, src, *dest);
                break;
        case 0:
                break;
        }
}

void
ec_encode_data_update(int len, int k, int rows, int vec_i, unsigned char *v, unsigned char *data,
                      unsigned char **dest)
{
        if (len < 64) {
                ec_encode_data_update_base(len, k, rows, vec_i, v, data, dest);
                return;
        }

        while (rows >= 6) {
                gf_6vect_mad_vsx(len, k, vec_i, v, data, dest);
                v += 6 * k * 32;
                dest += 6;
                rows -= 6;
        }
        switch (rows) {
        case 6:
                gf_6vect_mad_vsx(len, k, vec_i, v, data, dest);
                break;
        case 5:
                gf_5vect_mad_vsx(len, k, vec_i, v, data, dest);
                break;
        case 4:
                gf_4vect_mad_vsx(len, k, vec_i, v, data, dest);
                break;
        case 3:
                gf_3vect_mad_vsx(len, k, vec_i, v, data, dest);
                break;
        case 2:
                gf_2vect_mad_vsx(len, k, vec_i, v, data, dest);
                break;
        case 1:
                gf_vect_mad_vsx(len, k, vec_i, v, data, *dest);
                break;
        case 0:
                break;
        }
}

int
gf_vect_mul(int len, unsigned char *a, void *src, void *dest)
{
        /* Size must be aligned to 32 bytes */
        if ((len % 32) != 0)
                return -1;

        gf_vect_mul_vsx(len, a, (unsigned char *) src, (unsigned char *) dest);
        return 0;
}

void
ec_init_tables(int k, int rows, unsigned char *a, unsigned char *g_tbls)
{
        return ec_init_tables_base(k, rows, a, g_tbls);
}