1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/** @file
* PDM - Pluggable Device Manager, Common Definitions & Types.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef VBOX_INCLUDED_vmm_pdmcommon_h
#define VBOX_INCLUDED_vmm_pdmcommon_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/types.h>
/** @defgroup grp_pdm_common Common Definitions & Types
* @ingroup grp_pdm
*
* Not all the types here are "common", they are here to work around header
* ordering issues.
*
* @{
*/
/** Makes a PDM structure version out of an unique magic value and major &
* minor version numbers.
*
* @returns 32-bit structure version number.
*
* @param uMagic 16-bit magic value. This must be unique.
* @param uMajor 12-bit major version number. Structures with different
* major numbers are not compatible.
* @param uMinor 4-bit minor version number. When only the minor version
* differs, the structures will be 100% backwards
* compatible.
*/
#define PDM_VERSION_MAKE(uMagic, uMajor, uMinor) \
( ((uint32_t)(uMagic) << 16) | ((uint32_t)((uMajor) & 0xff) << 4) | ((uint32_t)((uMinor) & 0xf) << 0) )
/**
* Version of PDM_VERSION_MAKE that's compatible with the preprocessor.
*
* @returns 32-bit structure version number.
*
* @param uMagic 16-bit magic value, no suffix. This must be unique.
* @param uMajor 12-bit major version number, no suffix. Structures with
* different major numbers are not compatible.
* @param uMinor 4-bit minor version number, no suffix. When only the
* minor version differs, the structures will be 100%
* backwards compatible.
*/
#define PDM_VERSION_MAKE_PP(uMagic, uMajor, uMinor) \
( (UINT32_C(uMagic) << 16) | ((UINT32_C(uMajor) & UINT32_C(0xff)) << 4) | ((UINT32_C(uMinor) & UINT32_C(0xf)) << 0) )
/** Checks if @a uVerMagic1 is compatible with @a uVerMagic2.
*
* @returns true / false.
* @param uVerMagic1 Typically the runtime version of the struct. This must
* have the same magic and major version as @a uVerMagic2
* and the minor version must be greater or equal to that
* of @a uVerMagic2.
* @param uVerMagic2 Typically the version the code was compiled against.
*
* @remarks The parameters will be referenced more than once.
*/
#define PDM_VERSION_ARE_COMPATIBLE(uVerMagic1, uVerMagic2) \
( (uVerMagic1) == (uVerMagic2) \
|| ( (uVerMagic1) >= (uVerMagic2) \
&& ((uVerMagic1) & UINT32_C(0xfffffff0)) == ((uVerMagic2) & UINT32_C(0xfffffff0)) ) \
)
/** @name PDM Attach/Detach Callback Flags.
* Used by PDMDeviceAttach, PDMDeviceDetach, PDMDriverAttach, PDMDriverDetach,
* FNPDMDEVATTACH, FNPDMDEVDETACH, FNPDMDRVATTACH, FNPDMDRVDETACH and
* FNPDMDRVCONSTRUCT.
* @{ */
/** The attach/detach command is not a hotplug event. */
#define PDM_TACH_FLAGS_NOT_HOT_PLUG RT_BIT_32(0)
/** Indicates that no attach or detach callbacks should be made.
* This is mostly for internal use. */
#define PDM_TACH_FLAGS_NO_CALLBACKS RT_BIT_32(1)
/** @} */
/**
* Is asynchronous handling of suspend or power off notification completed?
*
* This is called to check whether the USB device has quiesced. Don't deadlock.
* Avoid blocking. Do NOT wait for anything.
*
* @returns true if done, false if more work to be done.
*
* @param pUsbIns The USB device instance.
*
* @thread EMT(0)
*/
typedef DECLCALLBACKTYPE(bool, FNPDMUSBASYNCNOTIFY,(PPDMUSBINS pUsbIns));
/** Pointer to a FNPDMUSBASYNCNOTIFY. */
typedef FNPDMUSBASYNCNOTIFY *PFNPDMUSBASYNCNOTIFY;
/**
* Is asynchronous handling of suspend or power off notification completed?
*
* This is called to check whether the device has quiesced. Don't deadlock.
* Avoid blocking. Do NOT wait for anything.
*
* @returns true if done, false if more work to be done.
*
* @param pDevIns The device instance.
* @remarks The caller will enter the device critical section.
* @thread EMT(0)
*/
typedef DECLCALLBACKTYPE(bool, FNPDMDEVASYNCNOTIFY,(PPDMDEVINS pDevIns));
/** Pointer to a FNPDMDEVASYNCNOTIFY. */
typedef FNPDMDEVASYNCNOTIFY *PFNPDMDEVASYNCNOTIFY;
/**
* Is asynchronous handling of suspend or power off notification completed?
*
* This is called to check whether the driver has quiesced. Don't deadlock.
* Avoid blocking. Do NOT wait for anything.
*
* @returns true if done, false if more work to be done.
*
* @param pDrvIns The driver instance.
*
* @thread EMT(0)
*/
typedef DECLCALLBACKTYPE(bool, FNPDMDRVASYNCNOTIFY,(PPDMDRVINS pDrvIns));
/** Pointer to a FNPDMDRVASYNCNOTIFY. */
typedef FNPDMDRVASYNCNOTIFY *PFNPDMDRVASYNCNOTIFY;
/**
* The ring-0 driver request handler.
*
* @returns VBox status code. PDMDevHlpCallR0 will return this.
* @param pDevIns The device instance (the ring-0 mapping).
* @param uOperation The operation.
* @param u64Arg Optional integer argument for the operation.
*/
typedef DECLCALLBACKTYPE(int, FNPDMDEVREQHANDLERR0,(PPDMDEVINS pDevIns, uint32_t uOperation, uint64_t u64Arg));
/** Ring-0 pointer to a FNPDMDEVREQHANDLERR0. */
typedef R0PTRTYPE(FNPDMDEVREQHANDLERR0 *) PFNPDMDEVREQHANDLERR0;
/**
* The ring-0 driver request handler.
*
* @returns VBox status code. PDMDrvHlpCallR0 will return this.
* @param pDrvIns The driver instance (the ring-0 mapping).
* @param uOperation The operation.
* @param u64Arg Optional integer argument for the operation.
*/
typedef DECLCALLBACKTYPE(int, FNPDMDRVREQHANDLERR0,(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg));
/** Ring-0 pointer to a FNPDMDRVREQHANDLERR0. */
typedef R0PTRTYPE(FNPDMDRVREQHANDLERR0 *) PFNPDMDRVREQHANDLERR0;
/** @} */
#endif /* !VBOX_INCLUDED_vmm_pdmcommon_h */
|
