3 * Copyright (c) 2009, Microsoft Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
19 * Haiyang Zhang <haiyangz@microsoft.com>
20 * Hank Janssen <hjanssen@microsoft.com>
28 #include "include/HvTypes.h"
29 #include "include/HvStatus.h"
30 #include "include/HvHalApi.h"
31 #include "include/HvVpApi.h"
32 #include "include/HvSynicApi.h"
33 #include "include/HvHcApi.h"
34 #include "include/HvPtApi.h"
37 VMBUS_MESSAGE_CONNECTION_ID
= 1,
38 VMBUS_MESSAGE_PORT_ID
= 1,
39 VMBUS_EVENT_CONNECTION_ID
= 2,
40 VMBUS_EVENT_PORT_ID
= 2,
41 VMBUS_MONITOR_CONNECTION_ID
= 3,
42 VMBUS_MONITOR_PORT_ID
= 3,
43 VMBUS_MESSAGE_SINT
= 2,
48 #define HV_PRESENT_BIT 0x80000000
50 #define HV_XENLINUX_GUEST_ID_LO 0x00000000
51 #define HV_XENLINUX_GUEST_ID_HI 0x0B00B135
52 #define HV_XENLINUX_GUEST_ID (((u64)HV_XENLINUX_GUEST_ID_HI << 32) \
53 | HV_XENLINUX_GUEST_ID_LO)
55 #define HV_LINUX_GUEST_ID_LO 0x00000000
56 #define HV_LINUX_GUEST_ID_HI 0xB16B00B5
57 #define HV_LINUX_GUEST_ID (((u64)HV_LINUX_GUEST_ID_HI << 32) | \
60 #define HV_CPU_POWER_MANAGEMENT (1 << 0)
61 #define HV_RECOMMENDATIONS_MAX 4
67 #define HV_HYPERCALL_PARAM_ALIGN sizeof(u64)
70 /* Service definitions */
72 #define HV_SERVICE_PARENT_PORT (0)
73 #define HV_SERVICE_PARENT_CONNECTION (0)
75 #define HV_SERVICE_CONNECT_RESPONSE_SUCCESS (0)
76 #define HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER (1)
77 #define HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE (2)
78 #define HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED (3)
80 #define HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID (1)
81 #define HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID (2)
82 #define HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID (3)
83 #define HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID (4)
84 #define HV_SERVICE_MAX_MESSAGE_ID (4)
86 #define HV_SERVICE_PROTOCOL_VERSION (0x0010)
87 #define HV_CONNECT_PAYLOAD_BYTE_COUNT 64
89 /* #define VMBUS_REVISION_NUMBER 6 */
91 /* Our local vmbus's port and connection id. Anything >0 is fine */
92 /* #define VMBUS_PORT_ID 11 */
94 /* 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 */
95 static const struct hv_guid VMBUS_SERVICE_ID
= {
97 0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c,
98 0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4
102 #define MAX_NUM_CPUS 1
105 struct hv_input_signal_event_buffer
{
107 HV_INPUT_SIGNAL_EVENT Event
;
111 /* XenLinux or native Linux. If XenLinux, the hypercall and synic pages
112 * has already been initialized */
117 bool SynICInitialized
;
120 * This is used as an input param to HvCallSignalEvent hypercall. The
121 * input param is immutable in our usage and must be dynamic mem (vs
122 * stack or global). */
123 struct hv_input_signal_event_buffer
*SignalEventBuffer
;
124 /* 8-bytes aligned of the buffer above */
125 HV_INPUT_SIGNAL_EVENT
*SignalEventParam
;
127 void *synICMessagePage
[MAX_NUM_CPUS
];
128 void *synICEventPage
[MAX_NUM_CPUS
];
131 extern struct hv_context gHvContext
;
136 extern int HvInit(void);
138 extern void HvCleanup(void);
140 extern HV_STATUS
HvPostMessage(HV_CONNECTION_ID connectionId
,
141 HV_MESSAGE_TYPE messageType
,
145 extern HV_STATUS
HvSignalEvent(void);
147 extern int HvSynicInit(u32 irqVector
);
149 extern void HvSynicCleanup(void);
151 #endif /* __HV_H__ */