linux/crypto/async_tx/raid6test.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * asynchronous raid6 recovery self test
 * Copyright (c) 2009, Intel Corporation.
 *
 * based on drivers/md/raid6test/test.c:
 * 	Copyright 2002-2007 H. Peter Anvin
 */
#include <linux/async_tx.h>
#include <linux/gfp.h>
#include <linux/mm.h>
#include <linux/random.h>
#include <linux/module.h>

#undef pr
#define pr(fmt, args...) …

#define NDISKS …

static struct page *dataptrs[NDISKS];
unsigned int dataoffs[NDISKS];
static addr_conv_t addr_conv[NDISKS];
static struct page *data[NDISKS+3];
static struct page *spare;
static struct page *recovi;
static struct page *recovj;

static void callback(void *param)
{ … }

static void makedata(int disks)
{ … }

static char disk_type(int d, int disks)
{ … }

/* Recover two failed blocks. */
static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb,
		struct page **ptrs, unsigned int *offs)
{ … }

static int test_disks(int i, int j, int disks)
{ … }

static int test(int disks, int *tests)
{ … }


static int __init raid6_test(void)
{ … }

static void __exit raid6_test_exit(void)
{ … }

/* when compiled-in wait for drivers to load first (assumes dma drivers
 * are also compiled-in)
 */
late_initcall(raid6_test);
module_exit(raid6_test_exit);
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;