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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /include/VBox/vmm/pdmcommon.h
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--include/VBox/vmm/pdmcommon.h182
1 files changed, 182 insertions, 0 deletions
diff --git a/include/VBox/vmm/pdmcommon.h b/include/VBox/vmm/pdmcommon.h
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+/** @file
+ * PDM - Pluggable Device Manager, Common Definitions & Types.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+#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)) ) \
+ )
+
+
+/** 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 DECLCALLBACK(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 DECLCALLBACK(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 DECLCALLBACK(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 DECLCALLBACK(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 DECLCALLBACK(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 */
+