| 1 | /* $Id: VBoxSFInit.cpp 79113 2019-06-13 03:56:18Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VBoxSF - OS/2 Shared Folders, Initialization.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (c) 2007-2018 knut st. osmundsen <bird-src-spam@anduin.net>
|
|---|
| 8 | *
|
|---|
| 9 | * Permission is hereby granted, free of charge, to any person
|
|---|
| 10 | * obtaining a copy of this software and associated documentation
|
|---|
| 11 | * files (the "Software"), to deal in the Software without
|
|---|
| 12 | * restriction, including without limitation the rights to use,
|
|---|
| 13 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|---|
| 14 | * copies of the Software, and to permit persons to whom the
|
|---|
| 15 | * Software is furnished to do so, subject to the following
|
|---|
| 16 | * conditions:
|
|---|
| 17 | *
|
|---|
| 18 | * The above copyright notice and this permission notice shall be
|
|---|
| 19 | * included in all copies or substantial portions of the Software.
|
|---|
| 20 | *
|
|---|
| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|---|
| 22 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|---|
| 23 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|---|
| 24 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|---|
| 25 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|---|
| 26 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|---|
| 27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|---|
| 28 | * OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | /*********************************************************************************************************************************
|
|---|
| 33 | * Header Files *
|
|---|
| 34 | *********************************************************************************************************************************/
|
|---|
| 35 | #define LOG_GROUP LOG_GROUP_DEFAULT
|
|---|
| 36 | #include "VBoxSFInternal.h"
|
|---|
| 37 |
|
|---|
| 38 | #include <VBox/VBoxGuestLib.h>
|
|---|
| 39 | #include <VBox/VBoxGuest.h>
|
|---|
| 40 | #include <VBox/log.h>
|
|---|
| 41 | #include <VBox/version.h>
|
|---|
| 42 | #include <iprt/assert.h>
|
|---|
| 43 | #include <iprt/errcore.h>
|
|---|
| 44 | #include <iprt/initterm.h>
|
|---|
| 45 |
|
|---|
| 46 |
|
|---|
| 47 | /*********************************************************************************************************************************
|
|---|
| 48 | * Global Variables *
|
|---|
| 49 | *********************************************************************************************************************************/
|
|---|
| 50 | RT_C_DECLS_BEGIN
|
|---|
| 51 | /* from VBoxSFA.asm */
|
|---|
| 52 | extern RTFAR16 g_fpfnDevHlp;
|
|---|
| 53 | extern VBGLOS2ATTACHDD g_VBoxGuestIDC;
|
|---|
| 54 | extern uint32_t g_u32Info;
|
|---|
| 55 | /* from sys0.asm and the linker/end.lib. */
|
|---|
| 56 | extern char _text, _etext, _data, _end;
|
|---|
| 57 | RT_C_DECLS_END
|
|---|
| 58 |
|
|---|
| 59 |
|
|---|
| 60 |
|
|---|
| 61 | /**
|
|---|
| 62 | * 32-bit Ring-0 init routine.
|
|---|
| 63 | *
|
|---|
| 64 | * This is called the first time somebody tries to use the IFS.
|
|---|
| 65 | * It will initialize IPRT, Vbgl and whatever else is required.
|
|---|
| 66 | *
|
|---|
| 67 | * The caller will do the necessary AttachDD and calling of the 16 bit
|
|---|
| 68 | * IDC to initialize the g_VBoxGuestIDC global. Perhaps we should move
|
|---|
| 69 | * this bit to VbglR0InitClient? It's just that it's so much simpler to do it
|
|---|
| 70 | * while we're on the way here...
|
|---|
| 71 | *
|
|---|
| 72 | */
|
|---|
| 73 | DECLASM(void) VBoxSFR0Init(void)
|
|---|
| 74 | {
|
|---|
| 75 | RTLogBackdoorPrintf("VBoxSFR0Init: version " VBOX_VERSION_STRING " r" RT_XSTR(VBOX_SVN_REV));
|
|---|
| 76 | RTLogBackdoorPrintf("VBoxSFR0Init: g_fpfnDevHlp=%lx u32Version=%RX32 u32Session=%RX32 pfnServiceEP=%p g_u32Info=%u (%#x)\n",
|
|---|
| 77 | g_fpfnDevHlp, g_VBoxGuestIDC.u32Version, g_VBoxGuestIDC.u32Session, g_VBoxGuestIDC.pfnServiceEP, g_u32Info, g_u32Info);
|
|---|
| 78 | //RTLogBackdoorPrintf("&KernSISData=%p\n", &KernSISData);
|
|---|
| 79 | //RTLogBackdoorPrintf("&KernLISData=%p\n", &KernLISData);
|
|---|
| 80 | //RTLogBackdoorPrintf("KernInterruptLevel=%#x\n", KernInterruptLevel);
|
|---|
| 81 | //RTLogBackdoorPrintf("KernTKSSBase=%p\n", KernTKSSBase);
|
|---|
| 82 |
|
|---|
| 83 | KernAllocMutexLock(&g_MtxFolders);
|
|---|
| 84 | RTListInit(&g_FolderHead);
|
|---|
| 85 |
|
|---|
| 86 | /*
|
|---|
| 87 | * Start by initializing IPRT.
|
|---|
| 88 | */
|
|---|
| 89 | if ( g_VBoxGuestIDC.u32Version == VBGL_IOC_VERSION
|
|---|
| 90 | && VALID_PTR(g_VBoxGuestIDC.u32Session)
|
|---|
| 91 | && VALID_PTR(g_VBoxGuestIDC.pfnServiceEP))
|
|---|
| 92 | {
|
|---|
| 93 | int rc = RTR0Init(0);
|
|---|
| 94 | if (RT_SUCCESS(rc))
|
|---|
| 95 | {
|
|---|
| 96 | rc = VbglR0InitClient();
|
|---|
| 97 | if (RT_SUCCESS(rc))
|
|---|
| 98 | {
|
|---|
| 99 | /*
|
|---|
| 100 | * Complain if the embedded buffers feature is missing.
|
|---|
| 101 | */
|
|---|
| 102 | uint32_t fFeatures = 0;
|
|---|
| 103 | rc = VbglR0QueryHostFeatures(&fFeatures);
|
|---|
| 104 | if (RT_FAILURE(rc))
|
|---|
| 105 | RTLogBackdoorPrintf("VBoxSFR0Init: Missing VBoxGuest.sys IDC connection! Check order in Config.kmk!\n");
|
|---|
| 106 | else
|
|---|
| 107 | {
|
|---|
| 108 | g_fHostFeatures = fFeatures;
|
|---|
| 109 | if (!(fFeatures & VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS))
|
|---|
| 110 | RTLogBackdoorPrintf("VBoxSFR0Init: WARNING! Embedded buffers feature is missing. Upgrade to latest VirtualBox!\n");
|
|---|
| 111 | if (!(fFeatures & VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST))
|
|---|
| 112 | RTLogBackdoorPrintf("VBoxSFR0Init: WARNING! Contiguous page list buffers feature is missing. Upgrade to latest VirtualBox!\n");
|
|---|
| 113 | }
|
|---|
| 114 |
|
|---|
| 115 | /*
|
|---|
| 116 | * Allocate some big buffers for reading and writing.
|
|---|
| 117 | */
|
|---|
| 118 | vboxSfOs2InitFileBuffers();
|
|---|
| 119 |
|
|---|
| 120 | #ifndef DONT_LOCK_SEGMENTS
|
|---|
| 121 | /*
|
|---|
| 122 | * Lock the 32-bit segments in memory.
|
|---|
| 123 | */
|
|---|
| 124 | static KernVMLock_t s_Text32, s_Data32;
|
|---|
| 125 | rc = KernVMLock(VMDHL_LONG,
|
|---|
| 126 | &_text, (uintptr_t)&_etext - (uintptr_t)&_text,
|
|---|
| 127 | &s_Text32, (KernPageList_t *)-1, NULL);
|
|---|
| 128 | AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
|
|---|
| 129 | rc = KernVMLock(VMDHL_LONG | VMDHL_WRITE,
|
|---|
| 130 | &_data, (uintptr_t)&_end - (uintptr_t)&_data,
|
|---|
| 131 | &s_Data32, (KernPageList_t *)-1, NULL);
|
|---|
| 132 | AssertMsg(rc == NO_ERROR, ("locking text32 failed, rc=%d\n"));
|
|---|
| 133 | #endif
|
|---|
| 134 |
|
|---|
| 135 | RTLogBackdoorPrintf("VBoxSFR0Init: completed successfully\n");
|
|---|
| 136 | return;
|
|---|
| 137 | }
|
|---|
| 138 | }
|
|---|
| 139 |
|
|---|
| 140 | RTLogBackdoorPrintf("VBoxSF: RTR0Init failed, rc=%Rrc\n", rc);
|
|---|
| 141 | }
|
|---|
| 142 | else
|
|---|
| 143 | RTLogBackdoorPrintf("VBoxSF: Failed to connect to VBoxGuest.sys.\n");
|
|---|
| 144 | }
|
|---|
| 145 |
|
|---|
