VBoxGuest-freebsd.c revision e465512ca00838f2eee92814ee935296396cd2d3
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/* $Id$ */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** @file
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VirtualBox Guest Additions Driver for FreeBSD.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Copyright (C) 2007 Sun Microsystems, Inc.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * available from http://www.virtualbox.org. This file is free software;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * you can redistribute it and/or modify it under the terms of the GNU
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * General Public License (GPL) as published by the Free Software
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * additional information or have any questions.
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync */
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync/** @todo r=bird: This must merge with SUPDrv-freebsd.c before long. The two
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * source files should only differ on prefixes and the extra bits wrt to the
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * pci device. I.e. it should be diffable so that fixes to one can easily be
0d12c7f9423f2745f8e282523d0930f91bff03b3vboxsync * applied to the other. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/param.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/systm.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/kernel.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/module.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/bus.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/queue.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/lockmgr.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/types.h>
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync#include <sys/conf.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/malloc.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/uio.h>
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync#include <sys/file.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <machine/bus.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <sys/rman.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <machine/resource.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <dev/pci/pcivar.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <dev/pci/pcireg.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include "VBoxGuestInternal.h"
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <VBox/log.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/assert.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/initterm.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/process.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/mem.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/asm.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** The module name. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#define DEVICE_NAME "vboxguest"
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstruct VBoxGuestDeviceState
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** file node minor code */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync unsigned uMinor;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Resource ID of the I/O port */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync int iIOPortResId;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Pointer to the I/O port resource. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync struct resource *pIOPortRes;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Start address of the IO Port. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync uint16_t uIOPortBase;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Resource ID of the MMIO area */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync int iVMMDevMemResId;
044af0d1e6474076366759db86f101778c5f20ccvboxsync /** Pointer to the MMIO resource. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync struct resource *pVMMDevMemRes;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Handle of the MMIO resource. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync bus_space_handle_t VMMDevMemHandle;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Size of the memory area. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync bus_size_t VMMDevMemSize;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Mapping of the register space */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync void *pMMIOBase;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** IRQ number */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync int iIrqResId;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** IRQ resource handle. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync struct resource *pIrqRes;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** Pointer to the IRQ handler. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync void *pfnIrqHandler;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /** VMMDev version */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync uint32_t u32Version;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync};
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic MALLOC_DEFINE(M_VBOXDEV, "vboxdev_pci", "VirtualBox Guest driver PCI");
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Character device file handlers.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic d_fdopen_t VBoxGuestFreeBSDOpen;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic d_close_t VBoxGuestFreeBSDClose;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic d_ioctl_t VBoxGuestFreeBSDIOCtl;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic d_write_t VBoxGuestFreeBSDWrite;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic d_read_t VBoxGuestFreeBSDRead;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * IRQ related functions.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic void VBoxGuestFreeBSDRemoveIRQ(device_t pDevice, void *pvState);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic int VBoxGuestFreeBSDAddIRQ(device_t pDevice, void *pvState);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic int VBoxGuestFreeBSDISR(void *pvState);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Available functions for kernel drivers.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncDECLVBGL(int) VBoxGuestFreeBSDServiceCall(void *pvSession, unsigned uCmd, void *pvData, size_t cbData, size_t *pcbDataReturned);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncDECLVBGL(void *) VBoxGuestFreeBSDServiceOpen(uint32_t *pu32Version);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncDECLVBGL(int) VBoxGuestFreeBSDServiceClose(void *pvSession);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Device node entry points.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic struct cdevsw g_VBoxGuestFreeBSDChrDevSW =
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_version = D_VERSION,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_flags = D_TRACKCLOSE,
044af0d1e6474076366759db86f101778c5f20ccvboxsync .d_fdopen = VBoxGuestFreeBSDOpen,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_close = VBoxGuestFreeBSDClose,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_ioctl = VBoxGuestFreeBSDIOCtl,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_read = VBoxGuestFreeBSDRead,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_write = VBoxGuestFreeBSDWrite,
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync .d_name = DEVICE_NAME
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync};
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** Device extention & session data association structure. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic VBOXGUESTDEVEXT g_DevExt;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** List of cloned device. Managed by the kernel. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic struct clonedevs *g_pVBoxGuestFreeBSDClones;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** The dev_clone event handler tag. */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic eventhandler_tag g_VBoxGuestFreeBSDEHTag;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/**
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VBoxGuest Common ioctl wrapper from VBoxGuestLib.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @returns VBox error code.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param pvSession Opaque pointer to the session.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param uCmd Requested function.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param pvData IO data buffer.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param cbData Size of the data buffer.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param pcbDataReturned Where to store the amount of returned data.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncDECLVBGL(int) VBoxGuestFreeBSDServiceCall(void *pvSession, unsigned uCmd, void *pvData, size_t cbData, size_t *pcbDataReturned)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
044af0d1e6474076366759db86f101778c5f20ccvboxsync LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDServiceCall %pvSesssion=%p uCmd=%u pvData=%p cbData=%d\n", pvSession, uCmd, pvData, cbData));
044af0d1e6474076366759db86f101778c5f20ccvboxsync
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pvSession;
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync AssertPtrReturn(pSession, VERR_INVALID_POINTER);
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync AssertMsgReturn(pSession->pDevExt == &g_DevExt,
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync ("SC: %p != %p\n", pSession->pDevExt, &g_DevExt), VERR_INVALID_HANDLE);
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync return VBoxGuestCommonIOCtl(uCmd, &g_DevExt, pSession, pvData, cbData, pcbDataReturned);
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync}
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync/**
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync * FreeBSD Guest service open.
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync *
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync * @returns Opaque pointer to session object.
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync * @param pu32Version Where to store VMMDev version.
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync */
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsyncDECLVBGL(void *) VBoxGuestFreeBSDServiceOpen(uint32_t *pu32Version)
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync{
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDServiceOpen\n"));
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync AssertPtrReturn(pu32Version, NULL);
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync PVBOXGUESTSESSION pSession;
044af0d1e6474076366759db86f101778c5f20ccvboxsync int rc = VBoxGuestCreateKernelSession(&g_DevExt, &pSession);
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (RT_SUCCESS(rc))
044af0d1e6474076366759db86f101778c5f20ccvboxsync {
044af0d1e6474076366759db86f101778c5f20ccvboxsync *pu32Version = VMMDEV_VERSION;
044af0d1e6474076366759db86f101778c5f20ccvboxsync return pSession;
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync LogRel((DEVICE_NAME ":VBoxGuestCreateKernelSession failed. rc=%d\n", rc));
044af0d1e6474076366759db86f101778c5f20ccvboxsync return NULL;
044af0d1e6474076366759db86f101778c5f20ccvboxsync}
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync/**
044af0d1e6474076366759db86f101778c5f20ccvboxsync * FreeBSD Guest service close.
044af0d1e6474076366759db86f101778c5f20ccvboxsync *
044af0d1e6474076366759db86f101778c5f20ccvboxsync * @returns VBox error code.
044af0d1e6474076366759db86f101778c5f20ccvboxsync * @param pvState Opaque pointer to the session object.
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
044af0d1e6474076366759db86f101778c5f20ccvboxsyncDECLVBGL(int) VBoxGuestFreeBSDServiceClose(void *pvSession)
044af0d1e6474076366759db86f101778c5f20ccvboxsync{
044af0d1e6474076366759db86f101778c5f20ccvboxsync LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDServiceClose\n"));
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pvSession;
044af0d1e6474076366759db86f101778c5f20ccvboxsync AssertPtrReturn(pSession, VERR_INVALID_POINTER);
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (pSession)
044af0d1e6474076366759db86f101778c5f20ccvboxsync {
044af0d1e6474076366759db86f101778c5f20ccvboxsync VBoxGuestCloseSession(&g_DevExt, pSession);
044af0d1e6474076366759db86f101778c5f20ccvboxsync return VINF_SUCCESS;
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync LogRel((DEVICE_NAME ":Invalid pSession.\n"));
044af0d1e6474076366759db86f101778c5f20ccvboxsync return VERR_INVALID_HANDLE;
044af0d1e6474076366759db86f101778c5f20ccvboxsync}
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync/**
044af0d1e6474076366759db86f101778c5f20ccvboxsync * DEVFS event handler.
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
044af0d1e6474076366759db86f101778c5f20ccvboxsyncstatic void VBoxGuestFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
044af0d1e6474076366759db86f101778c5f20ccvboxsync{
044af0d1e6474076366759db86f101778c5f20ccvboxsync int iUnit;
044af0d1e6474076366759db86f101778c5f20ccvboxsync int rc;
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
044af0d1e6474076366759db86f101778c5f20ccvboxsync
2bb12e589d2c280ad042e4e70635ae7224c7eceevboxsync /*
044af0d1e6474076366759db86f101778c5f20ccvboxsync * One device node per user, si_drv1 points to the session.
044af0d1e6474076366759db86f101778c5f20ccvboxsync * /dev/vboxguest<N> where N = {0...255}.
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync if (!ppDev)
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync return;
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync if (dev_stdclone(pszName, NULL, "vboxguest", &iUnit) != 1)
044af0d1e6474076366759db86f101778c5f20ccvboxsync return;
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync if (iUnit >= 256 || iUnit < 0)
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync {
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync Log(("VBoxGuestFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync return;
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync }
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync Log(("VBoxGuestFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync rc = clone_create(&g_pVBoxGuestFreeBSDClones, &g_VBoxGuestFreeBSDChrDevSW, &iUnit, ppDev, 0);
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (rc)
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync {
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync *ppDev = make_dev(&g_VBoxGuestFreeBSDChrDevSW,
044af0d1e6474076366759db86f101778c5f20ccvboxsync unit2minor(iUnit),
044af0d1e6474076366759db86f101778c5f20ccvboxsync UID_ROOT,
044af0d1e6474076366759db86f101778c5f20ccvboxsync GID_WHEEL,
044af0d1e6474076366759db86f101778c5f20ccvboxsync 0644,
044af0d1e6474076366759db86f101778c5f20ccvboxsync "vboxguest%d", iUnit);
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (*ppDev)
044af0d1e6474076366759db86f101778c5f20ccvboxsync {
044af0d1e6474076366759db86f101778c5f20ccvboxsync dev_ref(*ppDev);
044af0d1e6474076366759db86f101778c5f20ccvboxsync (*ppDev)->si_flags |= SI_CHEAPCLONE;
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
044af0d1e6474076366759db86f101778c5f20ccvboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
044af0d1e6474076366759db86f101778c5f20ccvboxsync (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync else
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync else
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
044af0d1e6474076366759db86f101778c5f20ccvboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
044af0d1e6474076366759db86f101778c5f20ccvboxsync}
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync/**
044af0d1e6474076366759db86f101778c5f20ccvboxsync * File open handler
044af0d1e6474076366759db86f101778c5f20ccvboxsync *
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
a1df400bbe9d64aad400442e56eb637019300a5evboxsync#if __FreeBSD_version >= 700000
a1df400bbe9d64aad400442e56eb637019300a5evboxsyncstatic int VBoxGuestFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, struct file *pFd)
044af0d1e6474076366759db86f101778c5f20ccvboxsync#else
a1df400bbe9d64aad400442e56eb637019300a5evboxsyncstatic int VBoxGuestFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd)
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync#endif
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync int rc;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync PVBOXGUESTSESSION pSession;
044af0d1e6474076366759db86f101778c5f20ccvboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDOpen\n"));
044af0d1e6474076366759db86f101778c5f20ccvboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Try grab it (we don't grab the giant, remember).
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, (void *)0x42, NULL))
a1df400bbe9d64aad400442e56eb637019300a5evboxsync return EBUSY;
a1df400bbe9d64aad400442e56eb637019300a5evboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync /*
a1df400bbe9d64aad400442e56eb637019300a5evboxsync * Create a new session.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync rc = VBoxGuestCreateUserSession(&g_DevExt, &pSession);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_SUCCESS(rc))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (ASMAtomicCmpXchgPtr(&pDev->si_drv1, pSession, (void *)0x42))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDOpen success: g_DevExt=%p pSession=%p rc=%d pid=%d\n", &g_DevExt, pSession, rc, (int)RTProcSelf()));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return 0;
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync VBoxGuestCloseSession(&g_DevExt, pSession);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync LogRel((DEVICE_NAME ":VBoxGuestFreeBSDOpen: failed. rc=%d\n", rc));
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync return RTErrConvertToErrno(rc);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync}
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/**
a1df400bbe9d64aad400442e56eb637019300a5evboxsync * File close handler
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
a1df400bbe9d64aad400442e56eb637019300a5evboxsync */
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsyncstatic int VBoxGuestFreeBSDClose(struct cdev *pDev, int fFile, int DevType, struct thread *pTd)
044af0d1e6474076366759db86f101778c5f20ccvboxsync{
044af0d1e6474076366759db86f101778c5f20ccvboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pDev->si_drv1;
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync Log(("VBoxGuestFreeBSDClose: fFile=%#x iUnit=%d pSession=%p\n", fFile, minor2unit(minor(pDev)), pSession));
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync /*
044af0d1e6474076366759db86f101778c5f20ccvboxsync * Close the session if it's still hanging on to the device...
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync */
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync if (VALID_PTR(pSession))
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync {
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync VBoxGuestCloseSession(&g_DevExt, pSession);
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, NULL, pSession))
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync Log(("VBoxGuestFreeBSDClose: si_drv1=%p expected %p!\n", pDev->si_drv1, pSession));
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync else
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log(("VBoxGuestFreeBSDClose: si_drv1=%p!\n", pSession));
044af0d1e6474076366759db86f101778c5f20ccvboxsync return 0;
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync}
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync/**
044af0d1e6474076366759db86f101778c5f20ccvboxsync * IOCTL handler
044af0d1e6474076366759db86f101778c5f20ccvboxsync *
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
044af0d1e6474076366759db86f101778c5f20ccvboxsyncstatic int VBoxGuestFreeBSDIOCtl(struct cdev *pDev, u_long ulCmd, caddr_t pvData, int fFile, struct thread *pTd)
044af0d1e6474076366759db86f101778c5f20ccvboxsync{
044af0d1e6474076366759db86f101778c5f20ccvboxsync LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl\n"));
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync int rc = 0;
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync /*
044af0d1e6474076366759db86f101778c5f20ccvboxsync * Validate the input.
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
044af0d1e6474076366759db86f101778c5f20ccvboxsync PVBOXGUESTSESSION pSession = (PVBOXGUESTSESSION)pDev->si_drv1;
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (RT_UNLIKELY(!VALID_PTR(pSession)))
044af0d1e6474076366759db86f101778c5f20ccvboxsync return EINVAL;
044af0d1e6474076366759db86f101778c5f20ccvboxsync
044af0d1e6474076366759db86f101778c5f20ccvboxsync /*
044af0d1e6474076366759db86f101778c5f20ccvboxsync * Validate the request wrapper.
044af0d1e6474076366759db86f101778c5f20ccvboxsync */
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (IOCPARM_LEN(ulCmd) != sizeof(VBGLBIGREQ))
044af0d1e6474076366759db86f101778c5f20ccvboxsync {
df8e6a449f00e1884fbf4a1fc67143614d7d528dvboxsync Log((DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad request %lu size=%lu expected=%d\n", ulCmd, IOCPARM_LEN(ulCmd), sizeof(VBGLBIGREQ)));
044af0d1e6474076366759db86f101778c5f20ccvboxsync return ENOTTY;
df8e6a449f00e1884fbf4a1fc67143614d7d528dvboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync PVBGLBIGREQ ReqWrap = (PVBGLBIGREQ)pvData;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (ReqWrap->u32Magic != VBGLBIGREQ_MAGIC)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
044af0d1e6474076366759db86f101778c5f20ccvboxsync Log((DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad magic %#x; pArg=%p Cmd=%lu.\n", ReqWrap->u32Magic, pvData, ulCmd));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return EINVAL;
044af0d1e6474076366759db86f101778c5f20ccvboxsync }
044af0d1e6474076366759db86f101778c5f20ccvboxsync if (RT_UNLIKELY( ReqWrap->cbData == 0
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync || ReqWrap->cbData > _1M*16))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
ca3da10d05961c339b5180fbd40a54587d6bad35vboxsync printf(DEVICE_NAME ": VBoxGuestFreeBSDIOCtl: bad size %#x; pArg=%p Cmd=%lu.\n", ReqWrap->cbData, pvData, ulCmd);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return EINVAL;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
df8e6a449f00e1884fbf4a1fc67143614d7d528dvboxsync /*
df8e6a449f00e1884fbf4a1fc67143614d7d528dvboxsync * Read the request.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
df8e6a449f00e1884fbf4a1fc67143614d7d528dvboxsync void *pvBuf = RTMemTmpAlloc(ReqWrap->cbData);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_UNLIKELY(!pvBuf))
044af0d1e6474076366759db86f101778c5f20ccvboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: RTMemTmpAlloc failed to alloc %d bytes.\n", ReqWrap->cbData));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return ENOMEM;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync rc = copyin((void *)(uintptr_t)ReqWrap->pvDataR3, pvBuf, ReqWrap->cbData);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_UNLIKELY(rc))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync RTMemTmpFree(pvBuf);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: copyin failed; pvBuf=%p pArg=%p Cmd=%lu. rc=%d\n", pvBuf, pvData, ulCmd, rc));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return EFAULT;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_UNLIKELY( ReqWrap->cbData != 0
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync && !VALID_PTR(pvBuf)))
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync {
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync RTMemTmpFree(pvBuf);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: pvBuf invalid pointer %p\n", pvBuf));
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync return EINVAL;
ae83ea510012552d3286d67b41abddf158ca6654vboxsync }
ae83ea510012552d3286d67b41abddf158ca6654vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: pSession=%p pid=%d.\n", pSession, (int)RTProcSelf()));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
c0e27f622f9bd6d9e77d2d959aab71d69dabf0d3vboxsync /*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Process the IOCtl.
c0e27f622f9bd6d9e77d2d959aab71d69dabf0d3vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync size_t cbDataReturned;
c0e27f622f9bd6d9e77d2d959aab71d69dabf0d3vboxsync rc = VBoxGuestCommonIOCtl(ulCmd, &g_DevExt, pSession, pvBuf, ReqWrap->cbData, &cbDataReturned);
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync if (RT_SUCCESS(rc))
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync {
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync rc = 0;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_UNLIKELY(cbDataReturned > ReqWrap->cbData))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: too much output data %d expected %d\n", cbDataReturned, ReqWrap->cbData));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync cbDataReturned = ReqWrap->cbData;
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (cbDataReturned > 0)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync rc = copyout(pvBuf, (void *)(uintptr_t)ReqWrap->pvDataR3, cbDataReturned);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_UNLIKELY(rc))
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: copyout failed; pvBuf=%p pArg=%p Cmd=%lu. rc=%d\n", pvBuf, pvData, ulCmd, rc));
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync rc = EFAULT;
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync }
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync }
172ae196da38208e5f1e3485715a89f2d53c6880vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync else
72a6fe3989272cb2d409b50caca25e1edbca9398vboxsync {
72a6fe3989272cb2d409b50caca25e1edbca9398vboxsync Log((DEVICE_NAME ":VBoxGuestFreeBSDIOCtl: VBoxGuestCommonIOCtl failed. rc=%d\n", rc));
7af218a7441de38fc9e814919db04bae3e917664vboxsync rc = EFAULT;
c0e27f622f9bd6d9e77d2d959aab71d69dabf0d3vboxsync }
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync RTMemTmpFree(pvBuf);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return rc;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync}
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncstatic ssize_t VBoxGuestFreeBSDWrite (struct cdev *pDev, struct uio *pUio, int fIo)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return 0;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync}
static ssize_t VBoxGuestFreeBSDRead (struct cdev *pDev, struct uio *pUio, int fIo)
{
return 0;
}
static int VBoxGuestFreeBSDDetach(device_t pDevice)
{
struct VBoxGuestDeviceState *pState = (struct VBoxGuestDeviceState *)device_get_softc(pDevice);
/*
* Reserve what we did in VBoxGuestFreeBSDAttach.
*/
clone_cleanup(&g_pVBoxGuestFreeBSDClones);
VBoxGuestFreeBSDRemoveIRQ(pDevice, pState);
if (pState->pVMMDevMemRes)
bus_release_resource(pDevice, SYS_RES_MEMORY, pState->iVMMDevMemResId, pState->pVMMDevMemRes);
if (pState->pIOPortRes)
bus_release_resource(pDevice, SYS_RES_IOPORT, pState->iIOPortResId, pState->pIOPortRes);
VBoxGuestDeleteDevExt(&g_DevExt);
free(pState, M_VBOXDEV);
RTR0Term();
return 0;
}
/**
* Interrupt service routine.
*
* @returns Whether the interrupt was from VMMDev.
* @param pvState Opaque pointer to the device state.
*/
static int VBoxGuestFreeBSDISR(void *pvState)
{
LogFlow((DEVICE_NAME ":VBoxGuestFreeBSDISR pvState=%p\n", pvState));
bool fOurIRQ = VBoxGuestCommonISR(&g_DevExt);
return fOurIRQ ? 0 : 1;
}
/**
* Sets IRQ for VMMDev.
*
* @returns FreeBSD error code.
* @param pDevice Pointer to the device info structure.
* @param pvState Pointer to the state info structure.
*/
static int VBoxGuestFreeBSDAddIRQ(device_t pDevice, void *pvState)
{
int iResId = 0;
int rc = 0;
struct VBoxGuestDeviceState *pState = (struct VBoxGuestDeviceState *)pvState;
pState->pIrqRes = bus_alloc_resource_any(pDevice, SYS_RES_IRQ, &iResId, RF_SHAREABLE | RF_ACTIVE);
#if __FreeBSD_version >= 700000
rc = bus_setup_intr(pDevice, pState->pIrqRes, INTR_TYPE_BIO, NULL, (driver_intr_t *)VBoxGuestFreeBSDISR, pState, &pState->pfnIrqHandler);
#else
rc = bus_setup_intr(pDevice, pState->pIrqRes, INTR_TYPE_BIO, (driver_intr_t *)VBoxGuestFreeBSDISR, pState, &pState->pfnIrqHandler);
#endif
if (rc)
{
pState->pfnIrqHandler = NULL;
return VERR_DEV_IO_ERROR;
}
pState->iIrqResId = iResId;
return VINF_SUCCESS;
}
/**
* Removes IRQ for VMMDev.
*
* @param pDevice Pointer to the device info structure.
* @param pvState Opaque pointer to the state info structure.
*/
static void VBoxGuestFreeBSDRemoveIRQ(device_t pDevice, void *pvState)
{
struct VBoxGuestDeviceState *pState = (struct VBoxGuestDeviceState *)pvState;
if (pState->pIrqRes)
{
bus_teardown_intr(pDevice, pState->pIrqRes, pState->pfnIrqHandler);
bus_release_resource(pDevice, SYS_RES_IRQ, 0, pState->pIrqRes);
}
}
static int VBoxGuestFreeBSDAttach(device_t pDevice)
{
int rc = VINF_SUCCESS;
int iResId = 0;
struct VBoxGuestDeviceState *pState = NULL;
/*
* Initialize IPRT R0 driver, which internally calls OS-specific r0 init.
*/
rc = RTR0Init(0);
if (RT_FAILURE(rc))
{
LogFunc(("RTR0Init failed.\n"));
return ENXIO;
}
pState = device_get_softc(pDevice);
if (!pState)
{
pState = malloc(sizeof(struct VBoxGuestDeviceState), M_VBOXDEV, M_NOWAIT | M_ZERO);
if (!pState)
return ENOMEM;
device_set_softc(pDevice, pState);
}
/*
* Allocate I/O port resource.
*/
iResId = PCIR_BAR(0);
pState->pIOPortRes = bus_alloc_resource_any(pDevice, SYS_RES_IOPORT, &iResId, RF_ACTIVE);
pState->uIOPortBase = bus_get_resource_start(pDevice, SYS_RES_IOPORT, iResId);
pState->iIOPortResId = iResId;
if (pState->uIOPortBase)
{
/*
* Map the MMIO region.
*/
iResId = PCIR_BAR(1);
pState->pVMMDevMemRes = bus_alloc_resource_any(pDevice, SYS_RES_MEMORY, &iResId, RF_ACTIVE);
pState->VMMDevMemHandle = rman_get_bushandle(pState->pVMMDevMemRes);
pState->VMMDevMemSize = bus_get_resource_count(pDevice, SYS_RES_MEMORY, iResId);
pState->pMMIOBase = (void *)pState->VMMDevMemHandle;
pState->iVMMDevMemResId = iResId;
if (pState->pMMIOBase)
{
/*
* Call the common device extension initializer.
*/
rc = VBoxGuestInitDevExt(&g_DevExt, pState->uIOPortBase, pState->pMMIOBase,
pState->VMMDevMemSize, VBOXOSTYPE_FreeBSD);
if (RT_SUCCESS(rc))
{
/*
* Add IRQ of VMMDev.
*/
rc = VBoxGuestFreeBSDAddIRQ(pDevice, pState);
if (RT_SUCCESS(rc))
{
/*
* Configure device cloning.
*/
clone_setup(&g_pVBoxGuestFreeBSDClones);
g_VBoxGuestFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxGuestFreeBSDClone, 0, 1000);
if (g_VBoxGuestFreeBSDEHTag)
{
printf(DEVICE_NAME ": loaded successfully\n");
return 0;
}
printf(DEVICE_NAME ": EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
clone_cleanup(&g_pVBoxGuestFreeBSDClones);
VBoxGuestFreeBSDRemoveIRQ(pDevice, pState);
}
else
printf((DEVICE_NAME ":VBoxGuestInitDevExt failed.\n"));
VBoxGuestDeleteDevExt(&g_DevExt);
}
else
printf((DEVICE_NAME ":VBoxGuestFreeBSDAddIRQ failed.\n"));
}
else
printf((DEVICE_NAME ":MMIO region setup failed.\n"));
}
else
printf((DEVICE_NAME ":IOport setup failed.\n"));
RTR0Term();
return ENXIO;
}
static int VBoxGuestFreeBSDProbe(device_t pDevice)
{
if ((pci_get_vendor(pDevice) == VMMDEV_VENDORID) && (pci_get_device(pDevice) == VMMDEV_DEVICEID))
return 0;
return ENXIO;
}
static device_method_t VBoxGuestFreeBSDMethods[] =
{
/* Device interface. */
DEVMETHOD(device_probe, VBoxGuestFreeBSDProbe),
DEVMETHOD(device_attach, VBoxGuestFreeBSDAttach),
DEVMETHOD(device_detach, VBoxGuestFreeBSDDetach),
{0,0}
};
static driver_t VBoxGuestFreeBSDDriver =
{
DEVICE_NAME,
VBoxGuestFreeBSDMethods,
sizeof(struct VBoxGuestDeviceState),
};
static devclass_t VBoxGuestFreeBSDClass;
DRIVER_MODULE(vboxguest, pci, VBoxGuestFreeBSDDriver, VBoxGuestFreeBSDClass, 0, 0);
MODULE_VERSION(vboxguest, 1);
int __gxx_personality_v0 = 0xdeadbeef;