Updated `README.md` with instructions for building/using the kernel module.

[xeon-phi-kernel-module] / dma / mic_sbox_md.c

/*
 * Copyright 2010-2017 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * Disclaimer: The codes contained in these modules may be specific to
 * the Intel Software Development Platform codenamed Knights Ferry,
 * and the Intel product codenamed Knights Corner, and are not backward
 * compatible with other Intel products. Additionally, Intel will NOT
 * support the codes or instruction set in future products.
 *
 * Intel offers no warranty of any kind regarding the code. This code is
 * licensed on an "AS IS" basis and Intel is not obligated to provide
 * any support, assistance, installation, training, or other services
 * of any kind. Intel is also not obligated to provide any updates,
 * enhancements or extensions. Intel specifically disclaims any warranty
 * of merchantability, non-infringement, fitness for any particular
 * purpose, and any other warranty.
 *
 * Further, Intel disclaims all liability of any kind, including but
 * not limited to liability for infringement of any proprietary rights,
 * relating to the use of the code, even if Intel is notified of the
 * possibility of such liability. Except as expressly stated in an Intel
 * license agreement provided with this code and agreed upon with Intel,
 * no license, express or implied, by estoppel or otherwise, to any
 * intellectual property rights is granted herein.
 */

#include<linux/module.h>
#include<linux/init.h>
#include<asm/io.h>

#include <mic/mic_sbox_md.h>
#include <mic/micsboxdefine.h>

#define PR_PREFIX "SBOX:"

extern  void *mic_sbox_mmio_va;

void *mic_sbox_md_init(void)
{
	return mic_sbox_mmio_va;
}

void mic_sbox_md_uninit(void *mic_sbox_mmio_va)
{
	iounmap(mic_sbox_mmio_va);
	pr_debug(PR_PREFIX "Uninitialized sbox md\n");
}