erasure_code: expose base implementation of init_tables

Expose ec_init_tables_base(), which should be used
with ec_encode_data_base() and ec_encode_data_update_base().

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

erasure_code/ec_base_aliases.c

@@ -58,3 +58,8 @@ int gf_vect_mul(int len, unsigned char *a, void *src, void *dest)
 {
 	return gf_vect_mul_base(len, a, (unsigned char *)src, (unsigned char *)dest);
 }
+
+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);
+}

erasure_code/erasure_code_base_perf.c

@@ -60,7 +60,7 @@ typedef unsigned char u8;
 
 void ec_encode_perf(int m, int k, u8 * a, u8 * g_tbls, u8 ** buffs)
 {
-	ec_init_tables(k, m - k, &a[k * k], g_tbls);
+	ec_init_tables_base(k, m - k, &a[k * k], g_tbls);
 	ec_encode_data_base(TEST_LEN(m), k, m - k, g_tbls, buffs, &buffs[k]);
 }
 
@@ -88,7 +88,7 @@ int ec_decode_perf(int m, int k, u8 * a, u8 * g_tbls, u8 ** buffs, u8 * src_in_e
 			c[k * i + j] = d[k * src_err_list[i] + j];
 
 	// Recover data
-	ec_init_tables(k, nerrs, c, g_tbls);
+	ec_init_tables_base(k, nerrs, c, g_tbls);
 	ec_encode_data_base(TEST_LEN(m), k, nerrs, g_tbls, recov, temp_buffs);
 
 	return 0;

erasure_code/erasure_code_base_test.c

@@ -278,7 +278,7 @@ int main(int argc, char *argv[])
 	gf_gen_rs_matrix(encode_matrix, m, k);
 
 	// Generate g_tbls from encode matrix encode_matrix
-	ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+	ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 
 	// Perform matrix dot_prod for EC encoding
 	// using g_tbls from encode matrix encode_matrix
@@ -304,7 +304,7 @@ int main(int argc, char *argv[])
 	}
 
 	// Recover data
-	ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+	ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 	ec_encode_data_base(TEST_LEN, k, nerrs, g_tbls, recov, &temp_buffs[k]);
 	for (i = 0; i < nerrs; i++) {
 
@@ -346,7 +346,7 @@ int main(int argc, char *argv[])
 	gf_gen_cauchy1_matrix(encode_matrix, m, k);
 
 	// Generate g_tbls from encode matrix encode_matrix
-	ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+	ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 
 	// Perform matrix dot_prod for EC encoding
 	// using g_tbls from encode matrix encode_matrix
@@ -372,7 +372,7 @@ int main(int argc, char *argv[])
 	}
 
 	// Recover data
-	ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+	ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 	ec_encode_data_base(TEST_LEN, k, nerrs, g_tbls, recov, &temp_buffs[k]);
 	for (i = 0; i < nerrs; i++) {
 
@@ -417,7 +417,7 @@ int main(int argc, char *argv[])
 
 		// Make parity vects
 		// Generate g_tbls from encode matrix a
-		ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+		ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 		// Perform matrix dot_prod for EC encoding
 		// using g_tbls from encode matrix a
 		ec_encode_data_base(TEST_LEN, k, m - k, g_tbls, buffs, &buffs[k]);
@@ -442,7 +442,7 @@ int main(int argc, char *argv[])
 		}
 
 		// Recover data
-		ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+		ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 		ec_encode_data_base(TEST_LEN, k, nerrs, g_tbls, recov, &temp_buffs[k]);
 
 		for (i = 0; i < nerrs; i++) {
@@ -500,7 +500,7 @@ int main(int argc, char *argv[])
 
 			// Make parity vects
 			// Generate g_tbls from encode matrix a
-			ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+			ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 			// Perform matrix dot_prod for EC encoding
 			// using g_tbls from encode matrix a
 			ec_encode_data_base(size, k, m - k, g_tbls, efence_buffs,
@@ -526,7 +526,7 @@ int main(int argc, char *argv[])
 			}
 
 			// Recover data
-			ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+			ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 			ec_encode_data_base(size, k, nerrs, g_tbls, recov, &temp_buffs[k]);
 
 			for (i = 0; i < nerrs; i++) {
@@ -593,7 +593,7 @@ int main(int argc, char *argv[])
 
 		// Make parity vects
 		// Generate g_tbls from encode matrix a
-		ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+		ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 		// Perform matrix dot_prod for EC encoding
 		// using g_tbls from encode matrix a
 		ec_encode_data_base(size, k, m - k, g_tbls, ubuffs, &ubuffs[k]);
@@ -618,7 +618,7 @@ int main(int argc, char *argv[])
 		}
 
 		// Recover data
-		ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+		ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 		ec_encode_data_base(size, k, nerrs, g_tbls, recov, &temp_ubuffs[k]);
 
 		for (i = 0; i < nerrs; i++) {
@@ -705,7 +705,7 @@ int main(int argc, char *argv[])
 
 		// Make parity vects
 		// Generate g_tbls from encode matrix a
-		ec_init_tables(k, m - k, &encode_matrix[k * k], g_tbls);
+		ec_init_tables_base(k, m - k, &encode_matrix[k * k], g_tbls);
 		// Perform matrix dot_prod for EC encoding
 		// using g_tbls from encode matrix a
 		ec_encode_data_base(size, k, m - k, g_tbls, buffs, &buffs[k]);
@@ -729,7 +729,7 @@ int main(int argc, char *argv[])
 		}
 
 		// Recover data
-		ec_init_tables(k, nerrs, decode_matrix, g_tbls);
+		ec_init_tables_base(k, nerrs, decode_matrix, g_tbls);
 		ec_encode_data_base(size, k, nerrs, g_tbls, recov, &temp_buffs[k]);
 
 		for (i = 0; i < nerrs; i++) {

include/erasure_code.h

@@ -73,6 +73,14 @@ extern "C" {
 
 void ec_init_tables(int k, int rows, unsigned char* a, unsigned char* gftbls);
 
+/**
+ * @brief Initialize tables for fast Erasure Code encode and decode, runs baseline version.
+ *
+ * Baseline version of ec_encode_data() with same parameters.
+ */
+
+void ec_init_tables_base(int k, int rows, unsigned char* a, unsigned char* gftbls);
+
 /**
  * @brief Generate or decode erasure codes on blocks of data, runs appropriate version.
  *

isa-l.def

@@ -120,3 +120,4 @@ crc64_rocksoft_norm_base        @115
 crc64_rocksoft_refl_base        @116
 crc64_rocksoft_norm             @117
 crc64_rocksoft_refl             @118
+ec_init_tables_base             @119