Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 202 insertions, 0 deletions

diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h
new file mode 100644
index 00000000..34f14ac4
--- /dev/null
+++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibInternal.h
@@ -0,0 +1,202 @@
+/* $Id: VBoxGuestR0LibInternal.h $ */
+/** @file
+ * VBoxGuestLibR0 - Internal header.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef GA_INCLUDED_SRC_common_VBoxGuest_lib_VBoxGuestR0LibInternal_h
+#define GA_INCLUDED_SRC_common_VBoxGuest_lib_VBoxGuestR0LibInternal_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+/*
+ * Define the private IDC handle structure before we include the VBoxGuestLib.h header.
+ */
+#include <iprt/types.h>
+#include <iprt/assert.h>
+RT_C_DECLS_BEGIN
+
+# ifndef VBGL_VBOXGUEST
+/**
+ * The hidden part of VBGLIDCHANDLE.
+ */
+struct VBGLIDCHANDLEPRIVATE
+{
+    /** Pointer to the session handle. */
+    void           *pvSession;
+# if defined(RT_OS_WINDOWS) && (defined(IPRT_INCLUDED_nt_ntddk_h) || defined(IPRT_INCLUDED_nt_nt_h))
+    /** Pointer to the NT device object. */
+    PDEVICE_OBJECT  pDeviceObject;
+    /** Pointer to the NT file object. */
+    PFILE_OBJECT    pFileObject;
+# elif defined(RT_OS_SOLARIS) && defined(_SYS_SUNLDI_H)
+    /** LDI device handle to keep the device attached. */
+    ldi_handle_t    hDev;
+# endif
+};
+/** Indicate that the VBGLIDCHANDLEPRIVATE structure is present. */
+# define VBGLIDCHANDLEPRIVATE_DECLARED 1
+#endif
+
+#include <VBox/VMMDev.h>
+#include <VBox/VBoxGuest.h>
+#include <VBox/VBoxGuestLib.h>
+
+#ifdef VBGLIDCHANDLEPRIVATE_DECLARED
+AssertCompile(RT_SIZEOFMEMB(VBGLIDCHANDLE, apvPadding) >= sizeof(struct VBGLIDCHANDLEPRIVATE));
+#endif
+
+
+/*
+ * Native IDC functions.
+ */
+int VBOXCALL vbglR0IdcNativeOpen(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCCONNECT pReq);
+int VBOXCALL vbglR0IdcNativeClose(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCDISCONNECT pReq);
+
+
+/*
+ * Deprecated logging macro
+ */
+#include <VBox/log.h>
+#ifdef RT_OS_WINDOWS /** @todo dprintf() -> Log() */
+# if (defined(DEBUG) && !defined(NO_LOGGING)) || defined(LOG_ENABLED)
+#  define dprintf(a) RTLogBackdoorPrintf a
+# else
+#  define dprintf(a) do {} while (0)
+# endif
+#else
+# define dprintf(a) Log(a)
+#endif
+
+/*
+ * Lazy bird: OS/2 doesn't currently implement the RTSemMutex API in ring-0, so
+ *  use a fast mutex instead.   Unlike Windows, the OS/2 implementation
+ *  doesn't have any nasty side effects on IRQL-like context properties, so the
+ *  fast mutexes on OS/2 are identical to normal mutexes except for the missing
+ *  timeout aspec.  Fortunately we don't need timeouts here.
+ */
+#ifdef RT_OS_OS2
+# define VBGLDATA_USE_FAST_MUTEX
+#endif
+
+struct _VBGLPHYSHEAPBLOCK;
+typedef struct _VBGLPHYSHEAPBLOCK VBGLPHYSHEAPBLOCK;
+struct _VBGLPHYSHEAPCHUNK;
+typedef struct _VBGLPHYSHEAPCHUNK VBGLPHYSHEAPCHUNK;
+
+enum VbglLibStatus
+{
+    VbglStatusNotInitialized = 0,
+    VbglStatusInitializing,
+    VbglStatusReady
+};
+
+/**
+ * Global VBGL ring-0 data.
+ * Lives in VbglR0Init.cpp.
+ */
+typedef struct VBGLDATA
+{
+    enum VbglLibStatus status;
+
+    RTIOPORT portVMMDev;
+
+    VMMDevMemory *pVMMDevMemory;
+
+    /**
+     * Physical memory heap data.
+     * @{
+     */
+
+    VBGLPHYSHEAPBLOCK *pFreeBlocksHead;
+    VBGLPHYSHEAPBLOCK *pAllocBlocksHead;
+    VBGLPHYSHEAPCHUNK *pChunkHead;
+
+    RTSEMFASTMUTEX mutexHeap;
+    /** @} */
+
+    /**
+     * The host version data.
+     */
+    VMMDevReqHostVersion hostVersion;
+
+
+#ifndef VBGL_VBOXGUEST
+    /** The IDC handle.  This is used for talking to the main driver. */
+    VBGLIDCHANDLE IdcHandle;
+    /** Mutex used to serialize IDC setup.   */
+# ifdef VBGLDATA_USE_FAST_MUTEX
+    RTSEMFASTMUTEX hMtxIdcSetup;
+# else
+    RTSEMMUTEX hMtxIdcSetup;
+# endif
+#endif
+} VBGLDATA;
+
+
+extern VBGLDATA g_vbgldata;
+
+/**
+ * Internal macro for checking whether we can pass physical page lists to the
+ * host.
+ *
+ * ASSUMES that vbglR0Enter has been called already.
+ *
+ * @param   a_fLocked       For the windows shared folders workarounds.
+ *
+ * @remarks Disabled the PageList feature for locked memory on Windows,
+ *          because a new MDL is created by VBGL to get the page addresses
+ *          and the pages from the MDL are marked as dirty when they should not.
+ */
+#if defined(RT_OS_WINDOWS)
+# define VBGLR0_CAN_USE_PHYS_PAGE_LIST(a_fLocked) \
+    ( !(a_fLocked) && (g_vbgldata.hostVersion.features & VMMDEV_HVF_HGCM_PHYS_PAGE_LIST) )
+#else
+# define VBGLR0_CAN_USE_PHYS_PAGE_LIST(a_fLocked) \
+    ( !!(g_vbgldata.hostVersion.features & VMMDEV_HVF_HGCM_PHYS_PAGE_LIST) )
+#endif
+
+int vbglR0Enter (void);
+
+#ifdef VBOX_WITH_HGCM
+struct VBGLHGCMHANDLEDATA  *vbglR0HGCMHandleAlloc(void);
+void                        vbglR0HGCMHandleFree(struct VBGLHGCMHANDLEDATA *pHandle);
+#endif /* VBOX_WITH_HGCM */
+
+#ifndef VBGL_VBOXGUEST
+/**
+ * Get the IDC handle to the main VBoxGuest driver.
+ * @returns VERR_TRY_AGAIN if the main driver has not yet been loaded.
+ */
+int VBOXCALL vbglR0QueryIdcHandle(PVBGLIDCHANDLE *ppIdcHandle);
+#endif
+
+RT_C_DECLS_END
+
+#endif /* !GA_INCLUDED_SRC_common_VBoxGuest_lib_VBoxGuestR0LibInternal_h */
+