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/*********************************************************
* Copyright (C) 2000 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* 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 Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
*********************************************************/
/*********************************************************
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
*********************************************************/
/*********************************************************
* The contents of this file are subject to the terms of the Common
* Development and Distribution License (the "License") version 1.0
* and no later version. You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* http://www.opensource.org/licenses/cddl1.php
*
* See the License for the specific language governing permissions
* and limitations under the License.
*
*********************************************************/
/*
* os.h --
*
* Definitions for OS-specific wrapper functions required by "vmmemctl".
*/
#ifndef OS_H
#define OS_H
#include "vm_basic_types.h"
#include "balloon_def.h"
/*
* Types
*/
#if defined __APPLE__
typedef uint64 PageHandle;
#else
typedef uintptr_t PageHandle;
#endif
typedef uintptr_t Mapping;
#define PAGE_HANDLE_INVALID 0
#define MAPPING_INVALID 0
/*
* Operations
*/
extern void OS_MemZero(void *ptr, size_t size);
extern void OS_MemCopy(void *dest, const void *src, size_t size);
extern void *OS_Malloc(size_t size);
extern void OS_Free(void *ptr, size_t size);
extern void OS_Yield(void);
extern unsigned long OS_ReservedPageGetLimit(void);
extern PA64 OS_ReservedPageGetPA(PageHandle handle);
extern PageHandle OS_ReservedPageGetHandle(PA64 pa);
extern PageHandle OS_ReservedPageAlloc(int canSleep);
extern void OS_ReservedPageFree(PageHandle handle);
extern Mapping OS_MapPageHandle(PageHandle handle);
extern void *OS_Mapping2Addr(Mapping mapping);
extern void OS_UnmapPage(Mapping mapping);
#endif /* OS_H */
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