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/******************************************************************************
* hypercall.h
*
* Mini-OS-specific hypervisor handling for ia64.
*
* Copyright (c) 2002-2004, K A Fraser
* Changes: Dietmar Hahn <dietmar.hahn@fujiti-siemens.com>
*
* 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; or, when distributed
* separately from the Linux kernel or incorporated into other
* software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef __HYPERCALL_H__
#define __HYPERCALL_H__
#include <xen/event_channel.h>
#include <xen/sched.h>
#include <xen/version.h>
#ifndef _HYPERVISOR_H_
# error "please don't include this file directly"
#endif
// See linux/compiler.h
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
extern unsigned long __hypercall(unsigned long a1, unsigned long a2,
unsigned long a3, unsigned long a4,
unsigned long a5, unsigned long cmd);
/*
* Assembler stubs for hyper-calls.
*/
#define _hypercall0(type, name) \
({ \
long __res; \
__res = __hypercall(0, 0, 0, 0, 0, \
__HYPERVISOR_##name); \
(type)__res; \
})
#define _hypercall1(type, name, a1) \
({ \
long __res; \
__res = __hypercall((unsigned long)a1, \
0, 0, 0, 0, __HYPERVISOR_##name); \
(type)__res; \
})
#define _hypercall2(type, name, a1, a2) \
({ \
long __res; \
__res = __hypercall((unsigned long)a1, \
(unsigned long)a2, \
0, 0, 0, __HYPERVISOR_##name); \
(type)__res; \
})
#define _hypercall3(type, name, a1, a2, a3) \
({ \
long __res; \
__res = __hypercall((unsigned long)a1, \
(unsigned long)a2, \
(unsigned long)a3, \
0, 0, __HYPERVISOR_##name); \
(type)__res; \
})
#define _hypercall4(type, name, a1, a2, a3, a4) \
({ \
long __res; \
__res = __hypercall((unsigned long)a1, \
(unsigned long)a2, \
(unsigned long)a3, \
(unsigned long)a4, \
0, __HYPERVISOR_##name); \
(type)__res; \
})
#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
({ \
long __res; \
__res = __hypercall((unsigned long)a1, \
(unsigned long)a2, \
(unsigned long)a3, \
(unsigned long)a4, \
(unsigned long)a5, \
__HYPERVISOR_##name); \
(type)__res; \
})
int HYPERVISOR_event_channel_op(int cmd, void *arg);
int HYPERVISOR_xen_version(int cmd, void *arg);
int HYPERVISOR_console_io(int cmd, int count, char *str);
int HYPERVISOR_sched_op_compat(int cmd, unsigned long arg);
int HYPERVISOR_sched_op(int cmd, void *arg);
int HYPERVISOR_callback_op(int cmd, void *arg);
int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
int HYPERVISOR_opt_feature(void *arg);
int HYPERVISOR_suspend(unsigned long srec);
int HYPERVISOR_shutdown(unsigned int reason);
#endif /* __HYPERCALL_H__ */
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