ReactOS 0.4.15-dev-8131-g4988de4
ntddrdsk.h
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1/*
2 * PROJECT: ReactOS Kernel
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * FILE: include/reactos/drivers/ntddrdsk.h
5 * PURPOSE: Constants and types for accessing the RAM disk device
6 * PROGRAMMERS: ReactOS Portable Systems Group
7 */
8#ifndef _NTDDRDSK_H_
9#define _NTDDRDSK_H_
10
11#if _MSC_VER > 1000
12#pragma once
13#endif
14
15#ifdef __cplusplus
16extern "C" {
17#endif
18
19//
20// This guid identifies a RAM disk volume (RamdiskBootDiskGuid)
21// {D9B257FC-684E-4DCB-AB79-03CFA2F6B750}
22//
23DEFINE_GUID(RAMDISK_BOOTDISK_GUID, 0xD9B257FC, 0x684E, 0x4DCB, 0xAB, 0x79, 0x03, 0xCF, 0xA2, 0xF6, 0xB7, 0x50);
24
25//
26// This guid identifies a RAM disk bus
27// {9D6D66A6-0B0C-4563-9077-A0E9A7955AE4}
28//
29DEFINE_GUID(GUID_BUS_TYPE_RAMDISK, 0x9D6D66A6, 0x0B0C, 0x4563, 0x90, 0x77, 0xA0, 0xE9, 0xA7, 0x95, 0x5A, 0xE4);
30
31//
32// Device Name - this string is the name of the device. It is the name
33// that should be passed to NtOpenFile when accessing the device.
34//
35// Note: For devices that support multiple units, it should be suffixed
36// with the Ascii representation of the unit number.
37//
38#define DD_RAMDISK_DEVICE_NAME "\\Device\\Ramdisk"
39#define DD_RAMDISK_DEVICE_NAME_U L"\\Device\\Ramdisk"
40
41//
42// IoControlCode values for ramdisk devices.
43//
44#define IOCTL_RAMDISK_BASE FILE_DEVICE_VIRTUAL_DISK
45#define FSCTL_CREATE_RAM_DISK CTL_CODE(FILE_DEVICE_VIRTUAL_DISK, 0x0000, METHOD_BUFFERED, FILE_ANY_ACCESS)
46
47//
48// Disk Types
49//
50#define RAMDISK_REGISTRY_DISK 1 // Loaded from the registry
51#define RAMDISK_MEMORY_MAPPED_DISK 2 // Loaded from a file and mapped in memory
52#define RAMDISK_BOOT_DISK 3 // Used as a boot device "ramdisk(0)"
53#define RAMDISK_WIM_DISK 4 // Used as an installation device
54
55//
56// Options when creating a ramdisk
57//
59{
67
68//
69// This structure is passed in for a FSCTL_CREATE_RAM_DISK call
70//
72{
79 union
80 {
81 struct
82 {
86 };
87 struct
88 {
91 };
93 };
95
96#ifdef __cplusplus
97}
98#endif
99
100#endif // _NTDDRDSK_H_
struct _RAMDISK_CREATE_INPUT * PRAMDISK_CREATE_INPUT
struct _RAMDISK_CREATE_INPUT RAMDISK_CREATE_INPUT
struct _RAMDISK_CREATE_OPTIONS RAMDISK_CREATE_OPTIONS
long LONG
Definition: pedump.c:60
#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)
Definition: guiddef.h:68
RAMDISK_CREATE_OPTIONS Options
Definition: ntddrdsk.h:76
LARGE_INTEGER DiskLength
Definition: ntddrdsk.h:77
ULONG_PTR BasePage
Definition: ntddrdsk.h:89
#define ANYSIZE_ARRAY
Definition: typedefs.h:46
ULONG_PTR SIZE_T
Definition: typedefs.h:80
uint32_t ULONG_PTR
Definition: typedefs.h:65
uint32_t ULONG
Definition: typedefs.h:59
__wchar_t WCHAR
Definition: xmlstorage.h:180