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mirror_zfs/tests/zfs-tests/cmd/checksum/blake3_test.c
Tino Reichardt 75e8b5ad84 Fix BLAKE3 tuneable and module loading on Linux and FreeBSD 
Apply similar options to BLAKE3 as it is done for zfs_fletcher_4_impl.

The zfs module parameter on Linux changes from icp_blake3_impl to
zfs_blake3_impl.

You can check and set it on Linux via sysfs like this:
```
[bash]# cat /sys/module/zfs/parameters/zfs_blake3_impl
cycle [fastest] generic sse2 sse41 avx2

[bash]# echo sse2 > /sys/module/zfs/parameters/zfs_blake3_impl
[bash]# cat /sys/module/zfs/parameters/zfs_blake3_impl
cycle fastest generic [sse2] sse41 avx2
```

The modprobe module parameters may also be used now:
```
[bash]# modprobe zfs zfs_blake3_impl=sse41
[bash]# cat /sys/module/zfs/parameters/zfs_blake3_impl
cycle fastest generic sse2 [sse41] avx2
```

On FreeBSD the BLAKE3 implementation can be set via sysctl like this:
```
[bsd]# sysctl vfs.zfs.blake3_impl
vfs.zfs.blake3_impl: cycle [fastest] generic sse2 sse41 avx2
[bsd]# sysctl vfs.zfs.blake3_impl=sse2
vfs.zfs.blake3_impl: cycle [fastest] generic sse2 sse41 avx2 \
  -> cycle fastest generic [sse2] sse41 avx2
```

This commit changes also some Blake3 internals like these:
- blake3_impl_ops_t was renamed to blake3_ops_t
- all functions are named blake3_impl_NAME() now

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Co-authored-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de>
Closes #13725
2022-09-16 14:25:53 -07:00

576 lines
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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/blake3.h>
/*
* set it to a define for debugging
*/
#undef BLAKE3_DEBUG
/*
* C version of:
* https://github.com/BLAKE3-team/BLAKE3/tree/master/test_vectors
*/
typedef struct {
/* input length for this entry */
const int input_len;
/* hash value */
const char *hash;
/* salted hash value */
const char *shash;
} blake3_test_t;
/* BLAKE3 is variable here */
#define TEST_DIGEST_LEN 262
/*
* key for the keyed hashing
*/
static const char *salt = "whats the Elvish word for friend";
static blake3_test_t TestArray[] = {
{
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},
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},
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},
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},
{
8,
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},
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63,
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},
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64,
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{
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{
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},
{
3072,
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{
3073,
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{
4096,
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},
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4097,
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},
{
5120,
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},
{
5121,
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},
{
6144,
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},
{
6145,
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},
{
7168,
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},
{
7169,
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},
{
8192,
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},
{
8193,
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{
16384,
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},
{
31744,
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{
102400,
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"1c59dab908c04c3342b816941a26d69c2605ebee5ec5291cc55e15b76146e6745f"
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"354f018fc4967d05f8b9d2ad87a7278337be9693fc638a3bfdbe314574ee6fc4",
},
{
0, 0, 0
}
};
#ifdef BLAKE3_DEBUG
#define dprintf printf
#else
#define dprintf(...)
#endif
static char fmt_tohex(char c);
static size_t fmt_hexdump(char *dest, const char *src, size_t len);
static char fmt_tohex(char c) {
return ((char)(c >= 10 ? c-10+'a' : c+'0'));
}
static size_t fmt_hexdump(char *dest, const char *src, size_t len) {
register const unsigned char *s = (const unsigned char *) src;
size_t written = 0, i;
if (!dest)
return ((len > ((size_t)-1)/2) ? (size_t)-1 : len*2);
for (i = 0; i < len; ++i) {
dest[written] = fmt_tohex(s[i]>>4);
dest[written+1] = fmt_tohex(s[i]&15);
written += 2;
}
return (written);
}
int
main(int argc, char *argv[])
{
boolean_t failed = B_FALSE;
uint8_t buffer[102400];
uint64_t cpu_mhz = 0;
int id, i, j;
if (argc == 2)
cpu_mhz = atoi(argv[1]);
/* fill test message */
for (i = 0, j = 0; i < sizeof (buffer); i++, j++) {
if (j == 251)
j = 0;
buffer[i] = (uint8_t)j;
}
(void) printf("Running algorithm correctness tests:\n");
for (id = 0; id < blake3_impl_getcnt(); id++) {
blake3_impl_setid(id);
const char *name = blake3_impl_getname();
dprintf("Result for BLAKE3-%s:\n", name);
for (i = 0; TestArray[i].hash; i++) {
blake3_test_t *cur = &TestArray[i];
BLAKE3_CTX ctx;
uint8_t digest[TEST_DIGEST_LEN];
char result[TEST_DIGEST_LEN];
/* default hashing */
Blake3_Init(&ctx);
Blake3_Update(&ctx, buffer, cur->input_len);
Blake3_FinalSeek(&ctx, 0, digest, TEST_DIGEST_LEN);
fmt_hexdump(result, (char *)digest, 131);
if (memcmp(result, cur->hash, 131) != 0)
failed = B_TRUE;
dprintf("HASH-res: %s\n", result);
dprintf("HASH-ref: %s\n", cur->hash);
/* salted hashing */
Blake3_InitKeyed(&ctx, (const uint8_t *)salt);
Blake3_Update(&ctx, buffer, cur->input_len);
Blake3_FinalSeek(&ctx, 0, digest, TEST_DIGEST_LEN);
fmt_hexdump(result, (char *)digest, 131);
if (memcmp(result, cur->shash, 131) != 0)
failed = B_TRUE;
dprintf("SHASH-res: %s\n", result);
dprintf("SHASH-ref: %s\n", cur->shash);
printf("BLAKE3-%s Message (inlen=%d)\tResult: %s\n",
name, cur->input_len, failed?"FAILED!":"OK");
}
}
if (failed)
return (1);
#define BLAKE3_PERF_TEST(impl, diglen) \
do { \
BLAKE3_CTX ctx; \
uint8_t digest[diglen / 8]; \
uint8_t block[131072]; \
uint64_t delta; \
double cpb = 0; \
int i; \
struct timeval start, end; \
memset(block, 0, sizeof (block)); \
(void) gettimeofday(&start, NULL); \
Blake3_Init(&ctx); \
for (i = 0; i < 8192; i++) \
Blake3_Update(&ctx, block, sizeof (block)); \
Blake3_Final(&ctx, digest); \
(void) gettimeofday(&end, NULL); \
delta = (end.tv_sec * 1000000llu + end.tv_usec) - \
(start.tv_sec * 1000000llu + start.tv_usec); \
if (cpu_mhz != 0) { \
cpb = (cpu_mhz * 1e6 * ((double)delta / \
1000000)) / (8192 * 128 * 1024); \
} \
(void) printf("BLAKE3-%s %llu us (%.02f CPB)\n", impl, \
(u_longlong_t)delta, cpb); \
} while (0)
printf("Running performance tests (hashing 1024 MiB of data):\n");
for (id = 0; id < blake3_impl_getcnt(); id++) {
blake3_impl_setid(id);
const char *name = blake3_impl_getname();
BLAKE3_PERF_TEST(name, 256);
}
return (0);
}
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