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/*********************************************************
* Copyright (C) 2003 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.
*
*********************************************************/
#ifndef _VM_GUEST_LIB_INT_H_
#define _VM_GUEST_LIB_INT_H_
#define INCLUDE_ALLOW_USERLEVEL
#include "includeCheck.h"
#include "vmware.h"
#include "vmGuestLib.h"
/*
* Backdoor string for retrieving guestlib info
*/
#define VMGUESTLIB_BACKDOOR_COMMAND_STRING "guestlib.info.get"
/*
* Current version of the VMGuestLibData structure
*/
#define VMGUESTLIB_DATA_VERSION 3
/* Stat types with a valid bit per stat. */
typedef struct {
Bool valid; // Indicates whether this stat is valid on this system
uint32 value; // Actual stat value.
} StatUint32;
/*
* This structure comes from the backdoor and hence uses 32-bit
* natural packing, which is 4-byte aligned. When moved over to
* 64-bit VMs it becomes 8-byte aligned. To avoid this varying
* padding, adding the 3-byte "padding" field and using pack(1)
* to make sure we always have 4-byte alignment.
*/
typedef
#include "vmware_pack_begin.h"
struct {
Bool valid; // Indicates whether this stat is valid on this system
uint8 padding[3];
uint64 value; // Actual stat value.
}
#include "vmware_pack_end.h"
StatUint64;
/*
* This is version 1 of the data structure GuestLib uses to obtain
* stats over the backdoor from the VMX/VMKernel. It is deprecated.
*/
#if 0
typedef
#include "vmware_pack_begin.h"
struct VMGuestLibDataV1 {
uint32 version;
VMSessionId sessionId;
/* Statistics */
/* CPU statistics */
uint32 cpuReservationMHz;
uint32 cpuLimitMHz;
uint32 cpuShares;
uint64 cpuUsedMs;
/* Host processor speed */
uint32 hostMHz;
/* Memory statistics */
uint32 memReservationMB;
uint32 memLimitMB;
uint32 memShares;
uint32 memMappedMB;
uint32 memActiveMB;
uint32 memOverheadMB;
uint32 memBalloonedMB;
uint32 memSwappedMB;
/* Elapsed time */
uint64 elapsedMs;
/*
* Resource pool path. See groupPathName in Sched_GuestLibInfo,
* defined in VMKernel's sched_ext.h. This needs to be at least
* as big as SCHED_GROUP_PATHNAME_LEN.
*/
char resourcePoolPath[512];
}
#include "vmware_pack_end.h"
VMGuestLibDataV1;
#endif // #if 0
typedef
#include "vmware_pack_begin.h"
struct {
uint32 version;
VMSessionId sessionId;
}
#include "vmware_pack_end.h"
VMGuestLibHeader;
/*
* This is version 2 of the data structure GuestLib uses to obtain
* stats over the backdoor from the VMX/VMKernel. It is not
* exposed to users of the GuestLib API.
*/
typedef
#include "vmware_pack_begin.h"
struct VMGuestLibDataV2 {
/* Header */
VMGuestLibHeader hdr;
/* Statistics */
/* CPU statistics */
StatUint32 cpuReservationMHz;
StatUint32 cpuLimitMHz;
StatUint32 cpuShares;
StatUint64 cpuUsedMs;
/* Host processor speed */
StatUint32 hostMHz;
/* Memory statistics */
StatUint32 memReservationMB;
StatUint32 memLimitMB;
StatUint32 memShares;
StatUint32 memMappedMB;
StatUint32 memActiveMB;
StatUint32 memOverheadMB;
StatUint32 memBalloonedMB;
StatUint32 memSwappedMB;
StatUint32 memSharedMB;
StatUint32 memSharedSavedMB;
StatUint32 memUsedMB;
/* Elapsed time */
StatUint64 elapsedMs;
/*
* Resource pool path. See groupPathName in Sched_GuestLibInfo,
* defined in VMKernel's sched_ext.h. This needs to be at least
* as big as SCHED_GROUP_PATHNAME_LEN.
*/
struct {
Bool valid;
char value[512];
} resourcePoolPath;
}
#include "vmware_pack_end.h"
VMGuestLibDataV2;
/*
* This is version 3 of the data structure GuestLib uses to obtain stats over
* the backdoor from the VMX/VMKernel. It is not exposed to users of the
* GuestLib API. This struct is sent on the wire.
*
* The buffer contains a variable length array of statistics, that are
* marshalled from XDR spec generated code. Each data field has a discriminant
* preceding the payload, which enables the client to detect fields that it
* doesn't recognize.
*
* V3 is a superset of V2 and a major protocol change. Any extensions to the
* wire protocol that just add statistics, can do so within V3. Just update the
* .x file to add a new discriminant for the union, at the end of the list. V3
* clients may assume that the fields are ordered on the wire in increasing order
* of the discriminant list. So, a client may stop processing at the first
* unrecognized field. V3 payload contains all available guestlib statistics
* supported by the host.
*/
typedef
#include "vmware_pack_begin.h"
struct VMGuestLibDataV3 {
/* Header */
VMGuestLibHeader hdr;
/* Statistics */
uint32 dataSize;
char data[0];
}
#include "vmware_pack_end.h"
VMGuestLibDataV3;
#endif /* _VM_GUEST_LIB_INT_H_ */
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