VBoxGuestIDC-unix.c.h revision ad27e1d5e48ca41245120c331cc88b50464813ce
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/* $Rev$ */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/** @file
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync * VBoxGuest - Inter Driver Communication, unix implementation.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * This file is included by the platform specific source file.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/*
e64031e20c39650a7bc902a3e1aba613b9415deevboxsync * Copyright (C) 2006-2009 Oracle Corporation
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * available from http://www.virtualbox.org. This file is free software;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * you can redistribute it and/or modify it under the terms of the GNU
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * General Public License (GPL) as published by the Free Software
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * Some lines of code to disable the local APIC on x86_64 machines taken
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * from a Mandriva patch by Gwenole Beauchesne <gbeauchesne@mandriva.com>.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
db553e573b3425818839b753fa24e41e0282b4bcvboxsync/** @todo Use some header that we have in common with VBoxGuestLib.h... */
db553e573b3425818839b753fa24e41e0282b4bcvboxsyncDECLVBGL(void *) VBoxGuestIDCOpen(uint32_t *pu32Version);
db553e573b3425818839b753fa24e41e0282b4bcvboxsyncDECLVBGL(int) VBoxGuestIDCClose(void *pvSession);
db553e573b3425818839b753fa24e41e0282b4bcvboxsyncDECLVBGL(int) VBoxGuestIDCCall(void *pvSession, unsigned iCmd, void *pvData, size_t cbData, size_t *pcbDataReturned);
db553e573b3425818839b753fa24e41e0282b4bcvboxsync
db553e573b3425818839b753fa24e41e0282b4bcvboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/**
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * Open a new IDC connection.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @returns Opaque pointer to session object.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param pu32Version Where to store VMMDev version.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsyncDECLVBGL(void *) VBoxGuestIDCOpen(uint32_t *pu32Version)
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync{
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync PVBOXGUESTSESSION pSession;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync int rc;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync LogFlow(("VBoxGuestIDCOpen: Version=%#x\n", pu32Version ? *pu32Version : 0));
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync AssertPtrReturn(pu32Version, NULL);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync rc = VBoxGuestCreateKernelSession(&g_DevExt, &pSession);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync if (RT_SUCCESS(rc))
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync {
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *pu32Version = VMMDEV_VERSION;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync return pSession;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync }
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync LogRel(("VBoxGuestIDCOpen: VBoxGuestCreateKernelSession failed. rc=%d\n", rc));
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync return NULL;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync}
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/**
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * Close an IDC connection.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @returns VBox error code.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param pvState Opaque pointer to the session object.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsyncDECLVBGL(int) VBoxGuestIDCClose(void *pvSession)
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync{
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pvSession;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync LogFlow(("VBoxGuestIDCClose:\n"));
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync AssertPtrReturn(pSession, VERR_INVALID_POINTER);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync VBoxGuestCloseSession(&g_DevExt, pSession);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync return VINF_SUCCESS;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync}
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync/**
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * Perform an IDC call.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync *
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @returns VBox error code.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param pvSession Opaque pointer to the session.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param iCmd Requested function.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param pvData IO data buffer.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param cbData Size of the data buffer.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync * @param pcbDataReturned Where to store the amount of returned data.
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync */
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsyncDECLVBGL(int) VBoxGuestIDCCall(void *pvSession, unsigned iCmd, void *pvData, size_t cbData, size_t *pcbDataReturned)
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync{
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pvSession;
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync LogFlow(("VBoxGuestIDCCall: %pvSesssion=%p Cmd=%u pvData=%p cbData=%d\n", pvSession, iCmd, pvData, cbData));
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync AssertPtrReturn(pSession, VERR_INVALID_POINTER);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync AssertMsgReturn(pSession->pDevExt == &g_DevExt,
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync ("SC: %p != %p\n", pSession->pDevExt, &g_DevExt), VERR_INVALID_HANDLE);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync return VBoxGuestCommonIOCtl(iCmd, &g_DevExt, pSession, pvData, cbData, pcbDataReturned);
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync}
bfd2448384a97d1c16a54af5d1523ae1b861ce26vboxsync