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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Corporation
*
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _DOM0_MM_DEV_H_
#define _DOM0_MM_DEV_H_
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <exec-env/rte_dom0_common.h>
#define NUM_MEM_CTX 256 /**< Maximum number of memory context*/
#define MAX_EXCHANGE_FAIL_TIME 5 /**< Maximum times of allowing exchange fail .*/
#define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
#define MAX_NUM_ORDER (DOM0_CONTIG_NUM_ORDER + 1)
#define SIZE_PER_BLOCK 2 /** < size of per memory block(2MB)).*/
/**
* A structure describing the private information for a dom0 device.
*/
struct dom0_mm_dev {
struct miscdevice miscdev;
uint8_t fail_times;
uint32_t used_memsize;
uint32_t num_mem_ctx;
uint32_t config_memsize;
uint32_t num_bigblock;
struct dom0_mm_data *mm_data[NUM_MEM_CTX];
struct mutex data_lock;
};
struct dom0_mm_data{
uint32_t refcnt;
uint32_t num_memseg; /**< Number of memory segment. */
uint32_t mem_size; /**< Size of requesting memory. */
char name[DOM0_NAME_MAX];
/** Store global memory block IDs used by an instance */
uint32_t block_num[DOM0_NUM_MEMBLOCK];
/** Store memory block information.*/
struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
/** Store memory segment information.*/
struct memseg_info seg_info[DOM0_NUM_MEMSEG];
};
#define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
#define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)
#endif
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