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Diffstat (limited to 'drivers/staging/hv/vmbus_hid_protocol.h')
-rw-r--r--drivers/staging/hv/vmbus_hid_protocol.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/staging/hv/vmbus_hid_protocol.h b/drivers/staging/hv/vmbus_hid_protocol.h
new file mode 100644
index 000000000000..65f3001e6202
--- /dev/null
+++ b/drivers/staging/hv/vmbus_hid_protocol.h
@@ -0,0 +1,120 @@
+/*
+ * 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:
+ * Hank Janssen <hjanssen@microsoft.com>
+ */
+#ifndef _VMBUS_HID_PROTOCOL_
+#define _VMBUS_HID_PROTOCOL_
+
+/* The maximum size of a synthetic input message. */
+#define SYNTHHID_MAX_INPUT_REPORT_SIZE 16
+
+/*
+ * Current version
+ *
+ * History:
+ * Beta, RC < 2008/1/22 1,0
+ * RC > 2008/1/22 2,0
+ */
+#define SYNTHHID_INPUT_VERSION_MAJOR 2
+#define SYNTHHID_INPUT_VERSION_MINOR 0
+#define SYNTHHID_INPUT_VERSION_DWORD (SYNTHHID_INPUT_VERSION_MINOR | \
+ (SYNTHHID_INPUT_VERSION_MAJOR << 16))
+
+
+#pragma pack(push,1)
+
+/*
+ * Message types in the synthetic input protocol
+ */
+enum synthhid_msg_type
+{
+ SynthHidProtocolRequest,
+ SynthHidProtocolResponse,
+ SynthHidInitialDeviceInfo,
+ SynthHidInitialDeviceInfoAck,
+ SynthHidInputReport,
+ SynthHidMax
+};
+
+
+/*
+ * Basic message structures.
+ */
+typedef struct
+{
+ enum synthhid_msg_type Type; /* Type of the enclosed message */
+ u32 Size; /* Size of the enclosed message
+ * (size of the data payload)
+ */
+} SYNTHHID_MESSAGE_HEADER, *PSYNTHHID_MESSAGE_HEADER;
+
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ char Data[1]; /* Enclosed message */
+} SYNTHHID_MESSAGE, *PSYNTHHID_MESSAGE;
+
+typedef union
+{
+ struct {
+ u16 Minor;
+ u16 Major;
+ };
+
+ u32 AsDWord;
+} SYNTHHID_VERSION, *PSYNTHHID_VERSION;
+
+/*
+ * Protocol messages
+ */
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ SYNTHHID_VERSION VersionRequested;
+} SYNTHHID_PROTOCOL_REQUEST, *PSYNTHHID_PROTOCOL_REQUEST;
+
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ SYNTHHID_VERSION VersionRequested;
+ unsigned char Approved;
+} SYNTHHID_PROTOCOL_RESPONSE, *PSYNTHHID_PROTOCOL_RESPONSE;
+
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ struct input_dev_info HidDeviceAttributes;
+ unsigned char HidDescriptorInformation[1];
+} SYNTHHID_DEVICE_INFO, *PSYNTHHID_DEVICE_INFO;
+
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ unsigned char Reserved;
+} SYNTHHID_DEVICE_INFO_ACK, *PSYNTHHID_DEVICE_INFO_ACK;
+
+typedef struct
+{
+ SYNTHHID_MESSAGE_HEADER Header;
+ char ReportBuffer[1];
+} SYNTHHID_INPUT_REPORT, *PSYNTHHID_INPUT_REPORT;
+
+#pragma pack(pop)
+
+#endif /* _VMBUS_HID_PROTOCOL_ */
+