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/******************************************************************************
* policy_ops.h
*
* Copyright (C) 2005 IBM Corporation
*
* Author:
* Reiner Sailer <sailer@watson.ibm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2 of the
* License.
*
* Process policy command requests from guest OS.
* access checked by policy; not restricted to DOM0
*
*/
#ifndef __XEN_PUBLIC_POLICY_OPS_H__
#define __XEN_PUBLIC_POLICY_OPS_H__
#include "xen.h"
#include "sched_ctl.h"
/*
* Make sure you increment the interface version whenever you modify this file!
* This makes sure that old versions of policy tools will stop working in a
* well-defined way (rather than crashing the machine, for instance).
*/
#define POLICY_INTERFACE_VERSION 0xAAAA0001
/************************************************************************/
#define POLICY_SETPOLICY 4
typedef struct {
/* IN variables. */
u16 policy_type;
u16 padding1;
/* OUT variables */
void *pushcache;
u16 pushcache_size;
} PACKED policy_setpolicy_t;
#define POLICY_GETPOLICY 5
typedef struct {
/* IN variables. */
u16 policy_type;
u16 padding1;
/* OUT variables */
void *pullcache;
u16 pullcache_size;
} PACKED policy_getpolicy_t;
#define POLICY_DUMPSTATS 6
typedef struct {
void *pullcache;
u16 pullcache_size;
} PACKED policy_dumpstats_t;
typedef struct {
u32 cmd; /* 0 */
u32 interface_version; /* 4 */ /* POLICY_INTERFACE_VERSION */
union { /* 8 */
u32 dummy[14]; /* 72bytes */
policy_setpolicy_t setpolicy;
policy_getpolicy_t getpolicy;
policy_dumpstats_t dumpstats;
} PACKED u;
} PACKED policy_op_t; /* 80 bytes */
#endif /* __XEN_PUBLIC_POLICY_OPS_H__ */
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