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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /sp/src/public/tier0/IOCTLCodes.h | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'sp/src/public/tier0/IOCTLCodes.h')
| -rw-r--r-- | sp/src/public/tier0/IOCTLCodes.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sp/src/public/tier0/IOCTLCodes.h b/sp/src/public/tier0/IOCTLCodes.h new file mode 100644 index 00000000..52dfe560 --- /dev/null +++ b/sp/src/public/tier0/IOCTLCodes.h @@ -0,0 +1,29 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#ifndef IOCTLCODES_H
+#define IOCTLCODES_H
+#pragma once
+
+// Define the IOCTL codes we will use. The IOCTL code contains a command
+// identifier, plus other information about the device, the type of access
+// with which the file must have been opened, and the type of buffering.
+
+// Device type -- in the "User Defined" range."
+#define DEVICE_FILE_TYPE 40000
+
+
+// The IOCTL function codes from 0x800 to 0xFFF are for customer use.
+
+#define IOCTL_WRITE_MSR \
+ CTL_CODE( DEVICE_FILE_TYPE, 0x900, METHOD_BUFFERED, FILE_READ_ACCESS )
+
+#define IOCTL_READ_MSR \
+ CTL_CODE( DEVICE_FILE_TYPE, 0x901, METHOD_BUFFERED, FILE_READ_ACCESS )
+
+
+#endif IOCTLCODES_H
|