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/*++

Copyright (c) Microsoft Corporation. All rights reserved.

Module Name:

    simemipublic.h

Abstract:

    This module contains the declarations of the public interface of the simemi
    driver.

--*/

#pragma once

#if defined(__cplusplus)
extern "C" {
#endif

#include <emi.h>

#define SIM_EMI_DEVICE_NAME L"simemibus"
#define SIM_EMI_DEVICE_PATH L"\\Device\\" SIM_EMI_DEVICE_NAME
#define SIM_EMI_DEVICE_ALIAS_PATH L"\\DosDevices\\" SIM_EMI_DEVICE_NAME
#define SIM_EMI_DEVICE_MAPPED_PATH L"\\\\.\\" SIM_EMI_DEVICE_NAME

//
// {7af2e4c8-3b33-4118-bb3b-ca967a5140da}
//

DEFINE_GUID(GUID_DEVICE_SIM_EMI_BUS,
    0x7af2e4c8, 0x3b33, 0x4118, 0xbb, 0x3b, 0xca, 0x96, 0x7a, 0x51, 0x40, 0xda);

#define IOCTL_EMI_BUS_CREATE_DEVICE      CTL_CODE(FILE_DEVICE_UNKNOWN, 0x600, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_EMI_BUS_DELETE_DEVICE      CTL_CODE(FILE_DEVICE_UNKNOWN, 0x601, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_EMI_BUS_QUERY_DEVICE_INFO  CTL_CODE(FILE_DEVICE_UNKNOWN, 0x602, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_EMI_BUS_SET_DEVICE_RATE    CTL_CODE(FILE_DEVICE_UNKNOWN, 0x603, METHOD_BUFFERED, FILE_WRITE_ACCESS)

typedef struct _SIM_EMI_BUS_CHANNEL_INFO {
    ULONGLONG AbsoluteEnergyRate; // Change in AbsoluteEnergy in 100-ns units.

    EMI_MEASUREMENT_UNIT MeasurementUnit;

    USHORT ChannelNameSize;
    WCHAR ChannelName[ANYSIZE_ARRAY];
} SIM_EMI_BUS_CHANNEL_INFO, *PSIM_EMI_BUS_CHANNEL_INFO;

#define SIM_EMI_BUS_CHANNEL_INFO_SIZE(_ChannelNameSize) \
    (FIELD_OFFSET(SIM_EMI_BUS_CHANNEL_INFO, ChannelName) + (_ChannelNameSize))

#define SIM_EMI_BUS_CHANNEL_INFO_NEXT_CHANNEL_INFO(_Channel) \
    ((PSIM_EMI_BUS_CHANNEL_INFO)((PUCHAR)(_Channel) + \
        SIM_EMI_BUS_CHANNEL_INFO_SIZE((_Channel)->ChannelNameSize)))

typedef struct _SIM_EMI_BUS_CREATE_DEVICE_INPUT_BUFFER {
    USHORT EmiVersion;
    ULONG ChildDeviceHandle;

    USHORT ChannelCount;
    SIM_EMI_BUS_CHANNEL_INFO ChannelInfo[ANYSIZE_ARRAY];
} SIM_EMI_BUS_CREATE_DEVICE_INPUT_BUFFER, *PSIM_EMI_BUS_CREATE_DEVICE_INPUT_BUFFER;

typedef struct _SIM_EMI_BUS_DELETE_DEVICE_INPUT_BUFFER {
    ULONG ChildDeviceHandle;
} SIM_EMI_BUS_DELETE_DEVICE_INPUT_BUFFER, *PSIM_EMI_BUS_DELETE_DEVICE_INPUT_BUFFER;

typedef struct _SIM_EMI_BUS_QUERY_DEVICE_INFO_INPUT_BUFFER {
    ULONG ChildDeviceHandle;
} SIM_EMI_BUS_QUERY_DEVICE_INFO_INPUT_BUFFER, *PSIM_EMI_BUS_QUERY_DEVICE_INFO_INPUT_BUFFER;

typedef struct _SIM_EMI_BUS_QUERY_DEVICE_INFO_OUTPUT_BUFFER {
    USHORT EmiVersion;
    USHORT ChannelCount;
    SIM_EMI_BUS_CHANNEL_INFO ChannelInfo[ANYSIZE_ARRAY];
} SIM_EMI_BUS_QUERY_DEVICE_INFO_OUTPUT_BUFFER, *PSIM_EMI_BUS_QUERY_DEVICE_INFO_OUTPUT_BUFFER;

typedef struct _SIM_EMI_BUS_SET_DEVICE_RATE_INPUT_BUFFER {
    USHORT EmiVersion;
    ULONG ChildDeviceHandle;

    USHORT ChannelCount;
    ULONG64 AbsoluteEnergyRates[ANYSIZE_ARRAY];
} SIM_EMI_BUS_SET_DEVICE_RATE_INPUT_BUFFER, *PSIM_EMI_BUS_SET_DEVICE_RATE_INPUT_BUFFER;

#if defined(__cplusplus)
}
#endif