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/*
*
* Copyright (c) 2009, Microsoft Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Authors:
* Haiyang Zhang <haiyangz@microsoft.com>
* Hank Janssen <hjanssen@microsoft.com>
*
*/
#ifndef __HV_H__
#define __HV_H__
#include "include/osd.h"
#include "include/HvTypes.h"
#include "include/HvStatus.h"
//#include "HvVmApi.h"
//#include "HvKeApi.h"
//#include "HvMmApi.h"
//#include "HvCpuApi.h"
#include "include/HvHalApi.h"
#include "include/HvVpApi.h"
//#include "HvTrApi.h"
#include "include/HvSynicApi.h"
//#include "HvAmApi.h"
//#include "HvHkApi.h"
//#include "HvValApi.h"
#include "include/HvHcApi.h"
#include "include/HvPtApi.h"
enum
{
VMBUS_MESSAGE_CONNECTION_ID = 1,
VMBUS_MESSAGE_PORT_ID = 1,
VMBUS_EVENT_CONNECTION_ID = 2,
VMBUS_EVENT_PORT_ID = 2,
VMBUS_MONITOR_CONNECTION_ID = 3,
VMBUS_MONITOR_PORT_ID = 3,
VMBUS_MESSAGE_SINT = 2
};
//
// #defines
//
#define HV_PRESENT_BIT 0x80000000
#define HV_XENLINUX_GUEST_ID_LO 0x00000000
#define HV_XENLINUX_GUEST_ID_HI 0x0B00B135
#define HV_XENLINUX_GUEST_ID (((UINT64)HV_XENLINUX_GUEST_ID_HI << 32) | HV_XENLINUX_GUEST_ID_LO)
#define HV_LINUX_GUEST_ID_LO 0x00000000
#define HV_LINUX_GUEST_ID_HI 0xB16B00B5
#define HV_LINUX_GUEST_ID (((UINT64)HV_LINUX_GUEST_ID_HI << 32) | HV_LINUX_GUEST_ID_LO)
#define HV_CPU_POWER_MANAGEMENT (1 << 0)
#define HV_RECOMMENDATIONS_MAX 4
#define HV_X64_MAX 5
#define HV_CAPS_MAX 8
#define HV_HYPERCALL_PARAM_ALIGN sizeof(UINT64)
//
// Service definitions
//
#define HV_SERVICE_PARENT_PORT (0)
#define HV_SERVICE_PARENT_CONNECTION (0)
#define HV_SERVICE_CONNECT_RESPONSE_SUCCESS (0)
#define HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER (1)
#define HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE (2)
#define HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED (3)
#define HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID (1)
#define HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID (2)
#define HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID (3)
#define HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID (4)
#define HV_SERVICE_MAX_MESSAGE_ID (4)
#define HV_SERVICE_PROTOCOL_VERSION (0x0010)
#define HV_CONNECT_PAYLOAD_BYTE_COUNT 64
//#define VMBUS_REVISION_NUMBER 6
//#define VMBUS_PORT_ID 11 // Our local vmbus's port and connection id. Anything >0 is fine
// 628180B8-308D-4c5e-B7DB-1BEB62E62EF4
static const GUID VMBUS_SERVICE_ID = {.Data = {0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c, 0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4} };
#define MAX_NUM_CPUS 1
typedef struct {
UINT64 Align8;
HV_INPUT_SIGNAL_EVENT Event;
} HV_INPUT_SIGNAL_EVENT_BUFFER;
typedef struct {
UINT64 GuestId; // XenLinux or native Linux. If XenLinux, the hypercall and synic pages has already been initialized
void* HypercallPage;
BOOL SynICInitialized;
// This is used as an input param to HvCallSignalEvent hypercall. The input param is immutable
// in our usage and must be dynamic mem (vs stack or global).
HV_INPUT_SIGNAL_EVENT_BUFFER *SignalEventBuffer;
HV_INPUT_SIGNAL_EVENT *SignalEventParam; // 8-bytes aligned of the buffer above
HANDLE synICMessagePage[MAX_NUM_CPUS];
HANDLE synICEventPage[MAX_NUM_CPUS];
} HV_CONTEXT;
extern HV_CONTEXT gHvContext;
//
// Inline routines
//
static inline unsigned long long ReadMsr(int msr)
{
unsigned long long val;
RDMSR(msr, val);
return val;
}
static inline void WriteMsr(int msr, UINT64 val)
{
WRMSR(msr, val);
return;
}
//
// Hv Interface
//
static int
HvInit(
VOID
);
static VOID
HvCleanup(
VOID
);
static HV_STATUS
HvPostMessage(
HV_CONNECTION_ID connectionId,
HV_MESSAGE_TYPE messageType,
PVOID payload,
SIZE_T payloadSize
);
static HV_STATUS
HvSignalEvent(
VOID
);
static int
HvSynicInit(
UINT32 irqVector
);
static VOID
HvSynicCleanup(
VOID
);
#endif // __HV_H__
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