SUPDrv-freebsd.c revision 0a769a6be37f526faeabe88f77422ee6291afa37
cba6719bd64ec749967bbe931230452664109857vboxsync/* $Id$ */
8e2911e5309f5dff976cc7ac17d832d4ee2cdca3vboxsync/** @file
8e2911e5309f5dff976cc7ac17d832d4ee2cdca3vboxsync * VBoxDrv - FreeBSD specifics.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/*
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Permission is hereby granted, free of charge, to any person
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * obtaining a copy of this software and associated documentation
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * files (the "Software"), to deal in the Software without
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * restriction, including without limitation the rights to use,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * copies of the Software, and to permit persons to whom the
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Software is furnished to do so, subject to the following
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * conditions:
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * The above copyright notice and this permission notice shall be
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * included in all copies or substantial portions of the Software.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
cba6719bd64ec749967bbe931230452664109857vboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * OTHER DEALINGS IN THE SOFTWARE.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/*******************************************************************************
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync* Header Files *
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync*******************************************************************************/
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/* Deal with conflicts first. */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/param.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#undef PVM
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/types.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/module.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/systm.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/errno.h>
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync#include <sys/kernel.h>
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync#include <sys/conf.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <sys/uio.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include "SUPDRV.h"
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <VBox/version.h>
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#include <iprt/initterm.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <iprt/string.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <iprt/spinlock.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <iprt/process.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <iprt/assert.h>
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync#include <iprt/log.h>
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/*******************************************************************************
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync* Internal Functions *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync*******************************************************************************/
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDLoad(void);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDUnload(void);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic d_fdopen_t VBoxDrvFreeBSDOpen;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic d_close_t VBoxDrvFreeBSDClose;
cba6719bd64ec749967bbe931230452664109857vboxsyncstatic d_ioctl_t VBoxDrvFreeBSDIOCtl;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBsdErr2Native(int rc);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/*******************************************************************************
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync* Global Variables *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync*******************************************************************************/
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/**
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Module info structure used by the kernel.
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic moduledata_t g_VBoxDrvFreeBSDModule =
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync{
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync "vboxdrv",
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync VBoxDrvFreeBSDModuleEvent,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync NULL
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync};
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/** Declare the module as a pseudo device. */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncDECLARE_MODULE(vboxdrv, g_VBoxDrvFreeBSDModule, SI_SUB_PSEUDO, SI_ORDER_ANY);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
b2b8d2ecd8d9bafa7d53919432c46e86fb377fa7vboxsync/**
b2b8d2ecd8d9bafa7d53919432c46e86fb377fa7vboxsync * The /dev/vboxdrv character device entry points.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic struct cdevsw g_VBoxDrvFreeBSDChrDevSW =
b2b8d2ecd8d9bafa7d53919432c46e86fb377fa7vboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_version = D_VERSION,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_flags = D_TRACKCLOSE,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_fdopen = VBoxDrvFreeBSDOpen,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_close = VBoxDrvFreeBSDClose,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_ioctl = VBoxDrvFreeBSDIOCtl,
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync .d_name = "vboxdrv"
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync};
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/** The make_dev result. */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsyncstatic struct cdev *g_pVBoxDrvFreeBSDChrDev;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/** The device extention. */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic SUPDRVDEVEXT g_DevExt;
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/** Spinlock protecting g_apSessionHashTab. */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsyncstatic RTSPINLOCK g_Spinlock = NIL_RTSPINLOCK;
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync/** Hash table */
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsyncstatic PSUPDRVSESSION g_apSessionHashTab[19];
da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync/** Calculates the index into g_apSessionHashTab.*/
ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync#define SESSION_HASH(sfn) ((sfn) % RT_ELEMENTS(g_apSessionHashTab))
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync/**
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Module event handler.
cba6719bd64ec749967bbe931230452664109857vboxsync *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * @param pMod The module structure.
cba6719bd64ec749967bbe931230452664109857vboxsync * @param enmEventType The event type (modeventtype_t).
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * @param pvArg Module argument. NULL.
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync *
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * @return 0 on success, errno.h status code on failure.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync int rc;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync switch (enmEventType)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync case MOD_LOAD:
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync rc = VBoxDrvFreeBSDLoad();
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync break;
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync case MOD_UNLOAD:
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync rc = VBoxDrvFreeBSDUnload();
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync break;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync case MOD_SHUTDOWN:
cba6719bd64ec749967bbe931230452664109857vboxsync case MOD_QUIESCE:
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync default:
cba6719bd64ec749967bbe931230452664109857vboxsync return EOPNOTSUPP;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync }
cba6719bd64ec749967bbe931230452664109857vboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync if (RT_SUCCESS(rc))
cba6719bd64ec749967bbe931230452664109857vboxsync return 0;
cba6719bd64ec749967bbe931230452664109857vboxsync return VBoxDrvFreeBsdErr2Native(rc);
cba6719bd64ec749967bbe931230452664109857vboxsync}
8bed792bc65abd39393889351f22263ce6c289bfvboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDLoad(void)
cba6719bd64ec749967bbe931230452664109857vboxsync{
cba6719bd64ec749967bbe931230452664109857vboxsync dprintf(("VBoxDrvFreeBSDLoad:\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /*
cba6719bd64ec749967bbe931230452664109857vboxsync * Initialize the runtime.
cba6719bd64ec749967bbe931230452664109857vboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync int rc = RTR0Init(0);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync if (RT_SUCCESS(rc))
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /*
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Initialize the device extension.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync rc = supdrvInitDevExt(&g_DevExt);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync if (RT_SUCCESS(rc))
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /*
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Initialize the session hash table.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync rc = RTSpinlockCreate(&g_Spinlock);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync if (RT_SUCCESS(rc))
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /*
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync * Create our device node.
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /** @todo find a way to fix this 0666 permission issue. Perhaps by defining some vboxusers group with a fixed gid? */
cba6719bd64ec749967bbe931230452664109857vboxsync g_pVBoxDrvFreeBSDChrDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW,
cba6719bd64ec749967bbe931230452664109857vboxsync 0,
8bed792bc65abd39393889351f22263ce6c289bfvboxsync UID_ROOT,
cba6719bd64ec749967bbe931230452664109857vboxsync GID_WHEEL,
cba6719bd64ec749967bbe931230452664109857vboxsync 0666,
cba6719bd64ec749967bbe931230452664109857vboxsync "vboxdrv");
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync if (g_pVBoxDrvFreeBSDChrDev)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync dprintf(("VBoxDrvFreeBSDLoad: returns successfully\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync return VINF_SUCCESS;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync }
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync printf("vboxdrv: make_dev failed\n");
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync rc = SUPDRV_ERR_ALREADY_LOADED;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync RTSpinlockDestroy(g_Spinlock);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync g_Spinlock = NIL_RTSPINLOCK;
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync }
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync else
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync printf("vboxdrv: RTSpinlockCreate failed, rc=%d\n", rc);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync supdrvDeleteDevExt(&g_DevExt);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync }
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync else
8bed792bc65abd39393889351f22263ce6c289bfvboxsync printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync RTR0Term();
cba6719bd64ec749967bbe931230452664109857vboxsync }
cba6719bd64ec749967bbe931230452664109857vboxsync else
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync printf("vboxdrv: RTR0Init failed, rc=%d\n", rc);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync return rc;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync}
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDUnload(void)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync int rc;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync dprintf(("VBoxDrvFreeBSDUnload:\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /** @todo verify that FreeBSD does reference counting. */
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync /*
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync * Reserve what we did in VBoxDrvFreeBSDInit.
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync */
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync if (g_pVBoxDrvFreeBSDChrDev)
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync {
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync destroy_dev(g_pVBoxDrvFreeBSDChrDev);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync g_pVBoxDrvFreeBSDChrDev = NULL;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync }
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync rc = supdrvDeleteDevExt(&g_DevExt);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync AssertRC(rc);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync rc = RTSpinlockDestroy(g_Spinlock);
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync AssertRC(rc);
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync g_Spinlock = NIL_RTSPINLOCK;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync RTR0Term();
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync memset(&g_DevExt, 0, sizeof(g_DevExt));
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync
ad77e3ec3cde24263bc7537575f5cae442bee3b1vboxsync dprintf(("VBoxDrvFreeBSDUnload: returns\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync return VINF_SUCCESS;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync}
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsyncstatic int VBoxDrvFreeBSDOpen(struct cdev *dev, int oflags, struct thread *td, int fdidx)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync dprintf(("VBoxDrvFreeBSDOpen:\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync return EOPNOTSUPP;
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync}
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync
cba6719bd64ec749967bbe931230452664109857vboxsync
cba6719bd64ec749967bbe931230452664109857vboxsyncstatic int VBoxDrvFreeBSDClose(struct cdev *dev, int fflag, int devtype, struct thread *td)
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync dprintf(("VBoxDrvFreeBSDClose:\n"));
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync return EBADF;
dc1ef3adbbc24e348697c7f7d4b4df5cf4f64c32vboxsync}
cba6719bd64ec749967bbe931230452664109857vboxsync
cba6719bd64ec749967bbe931230452664109857vboxsync
cba6719bd64ec749967bbe931230452664109857vboxsyncstatic int VBoxDrvFreeBSDIOCtl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
cba6719bd64ec749967bbe931230452664109857vboxsync{
801238b286a80a5dd67ba56a1f26c0bc98a2a1eavboxsync dprintf(("VBoxDrvFreeBSDIOCtl:\n"));
cba6719bd64ec749967bbe931230452664109857vboxsync return EINVAL;
}
/**
* Converts an supdrv error code to a FreeBSD error code.
*
* @returns corresponding FreeBSD error code.
* @param rc supdrv error code (SUPDRV_ERR_* defines).
*/
static int VBoxDrvFreeBsdErr2Native(int rc)
{
switch (rc)
{
case 0: return 0;
case SUPDRV_ERR_GENERAL_FAILURE: return EACCES;
case SUPDRV_ERR_INVALID_PARAM: return EINVAL;
case SUPDRV_ERR_INVALID_MAGIC: return EILSEQ;
case SUPDRV_ERR_INVALID_HANDLE: return ENXIO;
case SUPDRV_ERR_INVALID_POINTER: return EFAULT;
case SUPDRV_ERR_LOCK_FAILED: return ENOLCK;
case SUPDRV_ERR_ALREADY_LOADED: return EEXIST;
case SUPDRV_ERR_PERMISSION_DENIED: return EPERM;
case SUPDRV_ERR_VERSION_MISMATCH: return ENOSYS;
}
return EPERM;
}
void VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
{
NOREF(pObj);
NOREF(pSession);
}
bool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char *pszObjName, int *prc)
{
NOREF(pObj);
NOREF(pSession);
NOREF(pszObjName);
NOREF(prc);
return false;
}
SUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...)
{
va_list va;
char szMsg[256];
int cch;
va_start(va, pszFormat);
cch = RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, va);
va_end(va);
printf("%s", szMsg);
return cch;
}