mingw-w64-headers/ddk/include/ddk/usbstorioctl.h

#pragma once

#ifndef MAX_PATH
#define MAX_PATH 260
#endif

typedef struct tagACT_AUTHZ_STATE {
  UCHAR ACT;
  BOOLEAN fAuthorized;
} ACT_AUTHZ_STATE, *PACT_AUTHZ_STATE;

typedef struct tagSILO_COMMAND {
  UCHAR SiloIndex;
  UCHAR Command;
  ULONG cbCommandBuffer;
  UCHAR rgbCommandBuffer[ANYSIZE_ARRAY];
} SILO_COMMAND, *PSILO_COMMAND;

typedef enum _PDO_TYPE {
  PDO_TYPE_UNDEFINED = 0,
  PDO_TYPE_DISK,
  PDO_TYPE_CONTROL,
  PDO_TYPE_SILO,
  PDO_TYPE_THIS = 256
} PDO_TYPE;

typedef enum _PDO_STATE {
  PDO_STATE_UNDEFINED = 0,
  PDO_STATE_STARTED,
  PDO_STATE_NOT_STARTED
} PDO_STATE;

typedef enum _PDO_CAPS {
  PDO_CAPABILITY_UNDEFINED = 0,
  PDO_CAPABILITY_INC512_SET = 1,
  PDO_CAPABILITY_INC512_CLEAR = 2
} PDO_CAPS;

typedef struct _ENUM_PDO_ENTRY {
  UCHAR type;
  UCHAR state;
  UCHAR capabilities;
  ULONG ulSTID;
  UCHAR bSpecificationMajor;
  UCHAR bSpecificationMinor;
  UCHAR bImplementationMajor;
  UCHAR bImplementationMinor;
  WCHAR wszDeviceInstancePath[(2 * MAX_PATH) + 1];
} ENUM_PDO_ENTRY, *PENUM_PDO_ENTRY;

typedef struct _ENUM_PDO_RESULTS {
  ULONG cEntries;
  ENUM_PDO_ENTRY rgEntries[ANYSIZE_ARRAY];
} ENUM_PDO_RESULTS, *PENUM_PDO_RESULTS;

#define SIZE_ENUM_PDO_RESULTS_HEADER (sizeof(ENUM_PDO_RESULTS) - sizeof(ENUM_PDO_ENTRY))

#define IOCTL_EHSTOR_DEVICE_SET_AUTHZ_STATE   CTL_CODE(IOCTL_STORAGE_BASE, 0x501, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_EHSTOR_DEVICE_GET_AUTHZ_STATE   CTL_CODE(IOCTL_STORAGE_BASE, 0x502, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_EHSTOR_DEVICE_SILO_COMMAND      CTL_CODE(IOCTL_STORAGE_BASE, 0x503, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_EHSTOR_DEVICE_ENUMERATE_PDOS    CTL_CODE(IOCTL_STORAGE_BASE, 0x504, METHOD_BUFFERED, FILE_ANY_ACCESS)

DEFINE_GUID(GUID_USBSTOR_EHSTOR_SILO_INTERFACE, 0x7c2bcf57, 0x2bea, 0x46da, 0xad, 0x26, 0x78, 0xfd, 0xc8, 0x3c, 0xee, 0x46);
DEFINE_GUID(GUID_USBSTOR_EHSTOR_CONTROL_INTERFACE, 0x4f40006f, 0xb933, 0x4550, 0xb5, 0x32, 0x2b, 0x58, 0xce, 0xe6, 0x14, 0xd3);