mirror of https://github.com/mpv-player/mpv
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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#ifndef _DHAHELPER_H
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#define _DHAHELPER_H 1
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// Define the various device type values. Note that values used by Microsoft
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// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
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// by customers.
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#define FILE_DEVICE_DHAHELPER 0x00008011
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// Macro definition for defining IOCTL and FSCTL function control codes.
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// Note that function codes 0-2047 are reserved for Microsoft Corporation,
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// and 2048-4095 are reserved for customers.
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#define DHAHELPER_IOCTL_INDEX 0x810
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#define IOCTL_DHAHELPER_MAPPHYSTOLIN CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_UNMAPPHYSADDR CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 1, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_ENABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 2, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#define IOCTL_DHAHELPER_DISABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
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DHAHELPER_IOCTL_INDEX + 3, \
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METHOD_BUFFERED, \
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FILE_ANY_ACCESS)
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#if !defined(__MINGW32__) && !defined(__CYGWIN__)
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#pragma pack(1)
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typedef struct dhahelper_t {
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#else
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struct __attribute__((__packed__)) dhahelper_t {
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#endif
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unsigned int size;
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void* base;
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void* ptr;
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};
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typedef struct dhahelper_t dhahelper_t;
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#endif
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