SUPDrv-freebsd.c revision c5019986bed37ec649721e6f7bc2117386fa5ac3
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/* $Id$ */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** @file
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync * VBoxDrv - The VirtualBox Support Driver - FreeBSD specifics.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Permission is hereby granted, free of charge, to any person
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * obtaining a copy of this software and associated documentation
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * files (the "Software"), to deal in the Software without
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * restriction, including without limitation the rights to use,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * copies of the Software, and to permit persons to whom the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Software is furnished to do so, subject to the following
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * conditions:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * The above copyright notice and this permission notice shall be
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * included in all copies or substantial portions of the Software.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * OTHER DEALINGS IN THE SOFTWARE.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Header Files *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync#define LOG_GROUP LOG_GROUP_SUP_DRV
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/* Deal with conflicts first. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/param.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#undef PVM
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/types.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/module.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/systm.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/errno.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/kernel.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <sys/fcntl.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/conf.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/uio.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
3393c62e395aa8388303d99f765a219efc289158vboxsync#include "../SUPDrvInternal.h"
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/version.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/initterm.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/string.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/spinlock.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/process.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/assert.h>
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync#include <iprt/uuid.h>
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync#include <VBox/log.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <iprt/alloc.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <iprt/err.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync#ifdef VBOX_WITH_HARDENING
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync# define VBOXDRV_PERM 0600
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync#else
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync# define VBOXDRV_PERM 0666
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync#endif
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Internal Functions *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDLoad(void);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDUnload(void);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pachName, int cchName, struct cdev **ppDev);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic d_fdopen_t VBoxDrvFreeBSDOpen;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic d_close_t VBoxDrvFreeBSDClose;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic d_ioctl_t VBoxDrvFreeBSDIOCtl;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync* Global Variables *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/**
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Module info structure used by the kernel.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic moduledata_t g_VBoxDrvFreeBSDModule =
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync "vboxdrv",
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync VBoxDrvFreeBSDModuleEvent,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync NULL
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync};
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** Declare the module as a pseudo device. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncDECLARE_MODULE(vboxdrv, g_VBoxDrvFreeBSDModule, SI_SUB_PSEUDO, SI_ORDER_ANY);
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsyncMODULE_VERSION(vboxdrv, 1);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/**
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * The /dev/vboxdrv character device entry points.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic struct cdevsw g_VBoxDrvFreeBSDChrDevSW =
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync .d_version = D_VERSION,
8d7d0a641afd3eb2aacf2b3ba428e6d8894a6a5fvboxsync#if __FreeBSD_version > 800061
8d7d0a641afd3eb2aacf2b3ba428e6d8894a6a5fvboxsync .d_flags = D_PSEUDO | D_TRACKCLOSE | D_NEEDMINOR,
8d7d0a641afd3eb2aacf2b3ba428e6d8894a6a5fvboxsync#else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync .d_flags = D_PSEUDO | D_TRACKCLOSE,
8d7d0a641afd3eb2aacf2b3ba428e6d8894a6a5fvboxsync#endif
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync .d_fdopen = VBoxDrvFreeBSDOpen,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync .d_close = VBoxDrvFreeBSDClose,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync .d_ioctl = VBoxDrvFreeBSDIOCtl,
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync .d_name = "vboxdrv"
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync};
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/** List of cloned device. Managed by the kernel. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic struct clonedevs *g_pVBoxDrvFreeBSDClones;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/** The dev_clone event handler tag. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic eventhandler_tag g_VBoxDrvFreeBSDEHTag;
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsync/** Reference counter. */
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsyncstatic volatile uint32_t g_cUsers;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** The device extention. */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic SUPDRVDEVEXT g_VBoxDrvFreeBSDDevExt;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/**
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Module event handler.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param pMod The module structure.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param enmEventType The event type (modeventtype_t).
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @param pvArg Module argument. NULL.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * @return 0 on success, errno.h status code on failure.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync int rc;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync switch (enmEventType)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync case MOD_LOAD:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync rc = VBoxDrvFreeBSDLoad();
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync break;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync case MOD_UNLOAD:
cf0b951d0e7a93540b3931ca506ed97c1dc300ccvboxsync mtx_unlock(&Giant);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync rc = VBoxDrvFreeBSDUnload();
cf0b951d0e7a93540b3931ca506ed97c1dc300ccvboxsync mtx_lock(&Giant);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync break;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync case MOD_SHUTDOWN:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync case MOD_QUIESCE:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync default:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync return EOPNOTSUPP;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync if (RT_SUCCESS(rc))
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync return 0;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return RTErrConvertToErrno(rc);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDLoad(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync dprintf(("VBoxDrvFreeBSDLoad:\n"));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsync g_cUsers = 0;
b47847090b3c99e4fdf905536053595e75845265vboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Initialize the runtime.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
4b30f6c72b07654509606857da385afcc09aaae3vboxsync int rc = RTR0Init(0);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync if (RT_SUCCESS(rc))
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Initialize the device extension.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = supdrvInitDevExt(&g_VBoxDrvFreeBSDDevExt);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync if (RT_SUCCESS(rc))
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Configure device cloning.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync clone_setup(&g_pVBoxDrvFreeBSDClones);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync g_VBoxDrvFreeBSDEHTag = EVENTHANDLER_REGISTER(dev_clone, VBoxDrvFreeBSDClone, 0, 1000);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (g_VBoxDrvFreeBSDEHTag)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDLoad: returns successfully\n"));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return VINF_SUCCESS;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync printf("vboxdrv: EVENTHANDLER_REGISTER(dev_clone,,,) failed\n");
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync clone_cleanup(&g_pVBoxDrvFreeBSDClones);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = SUPDRV_ERR_ALREADY_LOADED;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync else
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync printf("vboxdrv: supdrvInitDevExt failed, rc=%d\n", rc);
4b30f6c72b07654509606857da385afcc09aaae3vboxsync RTR0Term();
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync else
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync printf("vboxdrv: RTR0Init failed, rc=%d\n", rc);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync return rc;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int VBoxDrvFreeBSDUnload(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync dprintf(("VBoxDrvFreeBSDUnload:\n"));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsync if (g_cUsers > 0)
b47847090b3c99e4fdf905536053595e75845265vboxsync return EBUSY;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Reserve what we did in VBoxDrvFreeBSDInit.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
4fe68a6b363f8944c4305b845a95580cd547937fvboxsync EVENTHANDLER_DEREGISTER(dev_clone, g_VBoxDrvFreeBSDEHTag);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync clone_cleanup(&g_pVBoxDrvFreeBSDClones);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvDeleteDevExt(&g_VBoxDrvFreeBSDDevExt);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
4b30f6c72b07654509606857da385afcc09aaae3vboxsync RTR0Term();
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync memset(&g_VBoxDrvFreeBSDDevExt, 0, sizeof(g_VBoxDrvFreeBSDDevExt));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync dprintf(("VBoxDrvFreeBSDUnload: returns\n"));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync return VINF_SUCCESS;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/**
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * DEVFS event handler.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic void VBoxDrvFreeBSDClone(void *pvArg, struct ucred *pCred, char *pszName, int cchName, struct cdev **ppDev)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int iUnit;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int rc;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: pszName=%s ppDev=%p\n", pszName, ppDev));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * One device node per user, si_drv1 points to the session.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * /dev/vboxdrv<N> where N = {0...255}.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (!ppDev)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (dev_stdclone(pszName, NULL, "vboxdrv", &iUnit) != 1)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (iUnit >= 256 || iUnit < 0)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: iUnit=%d >= 256 - rejected\n", iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: pszName=%s iUnit=%d\n", pszName, iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = clone_create(&g_pVBoxDrvFreeBSDClones, &g_VBoxDrvFreeBSDChrDevSW, &iUnit, ppDev, 0);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: clone_create -> %d; iUnit=%d\n", rc, iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (rc)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync#if __FreeBSD_version > 800061
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync *ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, iUnit, UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
1c2c968fd241148110002d75b2c0fdeddc211e14vboxsync#else
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync *ppDev = make_dev(&g_VBoxDrvFreeBSDChrDevSW, unit2minor(iUnit), UID_ROOT, GID_WHEEL, VBOXDRV_PERM, "vboxdrv%d", iUnit);
1c2c968fd241148110002d75b2c0fdeddc211e14vboxsync#endif
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (*ppDev)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dev_ref(*ppDev);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync (*ppDev)->si_flags |= SI_CHEAPCLONE;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: Created *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync (*ppDev)->si_drv1 = (*ppDev)->si_drv2 = NULL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClone: make_dev iUnit=%d failed\n", iUnit));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClone: Existing *ppDev=%p iUnit=%d si_drv1=%p si_drv2=%p\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *ppDev, iUnit, (*ppDev)->si_drv1, (*ppDev)->si_drv2));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/**
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success, errno on failure.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * EBUSY if the device is used by someone else.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device node.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fOpen The open flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pFd The file descriptor. FreeBSD 7.0 and later.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param iFd The file descriptor index(?). Pre FreeBSD 7.0.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
fcabc02dcf564fb62371b7b90f9c6099b2fd54a5vboxsync#if __FreeBSD__ >= 7
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, struct file *pFd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDOpen(struct cdev *pDev, int fOpen, struct thread *pTd, int iFd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#endif
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPDRVSESSION pSession;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int rc;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#if __FreeBSD_version < 800062
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x iUnit=%d\n", fOpen, minor2unit(minor(pDev))));
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#else
136bddad8b209adbeb75f885328977d2436214eevboxsync dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x iUnit=%d\n", fOpen, minor(dev2udev(pDev))));
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#endif
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Let's be a bit picky about the flags...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (fOpen != (FREAD|FWRITE /*=O_RDWR*/))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDOpen: fOpen=%#x expected %#x\n", fOpen, O_RDWR));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Try grab it (we don't grab the giant, remember).
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, (void *)0x42, NULL))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EBUSY;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Create a new session.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync rc = supdrvCreateSession(&g_VBoxDrvFreeBSDDevExt, true /* fUser */, &pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_SUCCESS(rc))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
1c2c968fd241148110002d75b2c0fdeddc211e14vboxsync /** @todo get (r)uid and (r)gid.
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync pSession->Uid = stuff;
3a5d16e1911830b585d10278ea2cdbb408e261e6vboxsync pSession->Gid = stuff; */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (ASMAtomicCmpXchgPtr(&pDev->si_drv1, pSession, (void *)0x42))
b47847090b3c99e4fdf905536053595e75845265vboxsync {
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsync ASMAtomicIncU32(&g_cUsers);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return 0;
b47847090b3c99e4fdf905536053595e75845265vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDOpen: si_drv1=%p, expected 0x42!\n", pDev->si_drv1));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return RTErrConvertToErrno(rc);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/**
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Close a file device previously opened by VBoxDrvFreeBSDOpen
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fFile The file descriptor flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param DevType The device type (CHR.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDClose(struct cdev *pDev, int fFile, int DevType, struct thread *pTd)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#if __FreeBSD_version < 800062
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDClose: fFile=%#x iUnit=%d pSession=%p\n", fFile, minor2unit(minor(pDev)), pSession));
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#else
136bddad8b209adbeb75f885328977d2436214eevboxsync dprintf(("VBoxDrvFreeBSDClose: fFile=%#x iUnit=%d pSession=%p\n", fFile, minor(dev2udev(pDev)), pSession));
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#endif
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Close the session if it's still hanging on to the device...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (VALID_PTR(pSession))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync supdrvCloseSession(&g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (!ASMAtomicCmpXchgPtr(&pDev->si_drv1, NULL, pSession))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p expected %p!\n", pDev->si_drv1, pSession));
a93da6c0946d71f517dc6d64a633704cb99068b8vboxsync ASMAtomicDecU32(&g_cUsers);
b47847090b3c99e4fdf905536053595e75845265vboxsync /* Don't use destroy_dev here because it may sleep resulting in a hanging user process. */
b47847090b3c99e4fdf905536053595e75845265vboxsync destroy_dev_sched(pDev);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDClose: si_drv1=%p!\n", pSession));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return 0;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync}
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/**
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * I/O control request.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync *
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns depends...
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pDev The device.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param ulCmd The command.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pvData Pointer to the data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param fFile The file descriptor flags.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtl(struct cdev *pDev, u_long ulCmd, caddr_t pvData, int fFile, struct thread *pTd)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Validate the input.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPDRVSESSION pSession = (PSUPDRVSESSION)pDev->si_drv1;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(!VALID_PTR(pSession)))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Deal with the fast ioctl path first.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if ( ulCmd == SUP_IOCTL_FAST_DO_RAW_RUN
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || ulCmd == SUP_IOCTL_FAST_DO_HWACC_RUN
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || ulCmd == SUP_IOCTL_FAST_DO_NOP)
0dd363d45ea01de87d37118985064da6e0f86f36vboxsync return supdrvIOCtlFast(ulCmd, *(uint32_t *)pvData, &g_VBoxDrvFreeBSDDevExt, pSession);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return VBoxDrvFreeBSDIOCtlSlow(pSession, ulCmd, pvData, pTd);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/**
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Deal with the 'slow' I/O control requests.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @returns 0 on success, appropriate errno on failure.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pSession The session.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param ulCmd The command.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pvData The request data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * @param pTd The calling thread.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncstatic int VBoxDrvFreeBSDIOCtlSlow(PSUPDRVSESSION pSession, u_long ulCmd, caddr_t pvData, struct thread *pTd)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync PSUPREQHDR pHdr;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync uint32_t cbReq = IOCPARM_LEN(ulCmd);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync void *pvUser = NULL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Buffered request?
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if ((IOC_DIRMASK & ulCmd) == IOC_INOUT)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync pHdr = (PSUPREQHDR)pvData;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(cbReq < sizeof(*pHdr)))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: cbReq=%#x < %#x; ulCmd=%#lx\n", cbReq, (int)sizeof(*pHdr), ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY((pHdr->fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", pHdr->fFlags, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY( RT_MAX(pHdr->cbIn, pHdr->cbOut) != cbReq
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || pHdr->cbIn < sizeof(*pHdr)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || pHdr->cbOut < sizeof(*pHdr)))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x) != %#x; ulCmd=%#lx\n", pHdr->cbIn, pHdr->cbOut, cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Big unbuffered request?
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else if ((IOC_DIRMASK & ulCmd) == IOC_VOID && !cbReq)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Read the header, validate it and figure out how much that needs to be buffered.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync SUPREQHDR Hdr;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync pvUser = *(void **)pvData;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int rc = copyin(pvUser, &Hdr, sizeof(Hdr));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(rc))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,Hdr,) -> %#x; ulCmd=%#lx\n", pvUser, rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return rc;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY((Hdr.fFlags & SUPREQHDR_FLAGS_MAGIC_MASK) != SUPREQHDR_FLAGS_MAGIC))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: bad magic fFlags=%#x; ulCmd=%#lx\n", Hdr.fFlags, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync cbReq = RT_MAX(Hdr.cbIn, Hdr.cbOut);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY( Hdr.cbIn < sizeof(Hdr)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || Hdr.cbOut < sizeof(Hdr)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync || cbReq > _1M*16))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: max(%#x,%#x); ulCmd=%#lx\n", Hdr.cbIn, Hdr.cbOut, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Allocate buffer and copy in the data.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync pHdr = (PSUPREQHDR)RTMemTmpAlloc(cbReq);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(!pHdr))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: failed to allocate buffer of %d bytes; ulCmd=%#lx\n", cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return ENOMEM;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = copyin(pvUser, pHdr, Hdr.cbIn);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(rc))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyin(%p,%p,%#x) -> %#x; ulCmd=%#lx\n",
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync pvUser, pHdr, Hdr.cbIn, rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync RTMemTmpFree(pHdr);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return rc;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: huh? cbReq=%#x ulCmd=%#lx\n", cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * Process the IOCtl.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync int rc = supdrvIOCtl(ulCmd, &g_VBoxDrvFreeBSDDevExt, pSession, pHdr);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_LIKELY(!rc))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * If unbuffered, copy back the result before returning.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (pvUser)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync uint32_t cbOut = pHdr->cbOut;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (cbOut > cbReq)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: too much output! %#x > %#x; uCmd=%#lx!\n", cbOut, cbReq, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync cbOut = cbReq;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = copyout(pHdr, pvUser, cbOut);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (RT_UNLIKELY(rc))
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync OSDBGPRINT(("VBoxDrvFreeBSDIOCtlSlow: copyout(%p,%p,%#x) -> %d; uCmd=%#lx!\n", pHdr, pvUser, cbOut, rc, ulCmd));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
b47847090b3c99e4fdf905536053595e75845265vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: returns %d / %d ulCmd=%lx\n", 0, pHdr->rc, ulCmd));
b47847090b3c99e4fdf905536053595e75845265vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /* cleanup */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync RTMemTmpFree(pHdr);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync else
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync {
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync * The request failed, just clean up.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync if (pvUser)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync RTMemTmpFree(pHdr);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync dprintf(("VBoxDrvFreeBSDIOCtlSlow: ulCmd=%lx pData=%p failed, rc=%d\n", ulCmd, pvData, rc));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync rc = EINVAL;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync }
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync return rc;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
3393c62e395aa8388303d99f765a219efc289158vboxsync/**
3393c62e395aa8388303d99f765a219efc289158vboxsync * The SUPDRV IDC entry point.
3393c62e395aa8388303d99f765a219efc289158vboxsync *
3393c62e395aa8388303d99f765a219efc289158vboxsync * @returns VBox status code, see supdrvIDC.
3393c62e395aa8388303d99f765a219efc289158vboxsync * @param iReq The request code.
3393c62e395aa8388303d99f765a219efc289158vboxsync * @param pReq The request.
3393c62e395aa8388303d99f765a219efc289158vboxsync */
3393c62e395aa8388303d99f765a219efc289158vboxsyncint VBOXCALL SUPDrvFreeBSDIDC(uint32_t uReq, PSUPDRVIDCREQHDR pReq)
3393c62e395aa8388303d99f765a219efc289158vboxsync{
3393c62e395aa8388303d99f765a219efc289158vboxsync PSUPDRVSESSION pSession;
3393c62e395aa8388303d99f765a219efc289158vboxsync
3393c62e395aa8388303d99f765a219efc289158vboxsync /*
3393c62e395aa8388303d99f765a219efc289158vboxsync * Some quick validations.
3393c62e395aa8388303d99f765a219efc289158vboxsync */
3393c62e395aa8388303d99f765a219efc289158vboxsync if (RT_UNLIKELY(!VALID_PTR(pReq)))
3393c62e395aa8388303d99f765a219efc289158vboxsync return VERR_INVALID_POINTER;
3393c62e395aa8388303d99f765a219efc289158vboxsync
3393c62e395aa8388303d99f765a219efc289158vboxsync pSession = pReq->pSession;
3393c62e395aa8388303d99f765a219efc289158vboxsync if (pSession)
3393c62e395aa8388303d99f765a219efc289158vboxsync {
3393c62e395aa8388303d99f765a219efc289158vboxsync if (RT_UNLIKELY(!VALID_PTR(pReq->pSession)))
3393c62e395aa8388303d99f765a219efc289158vboxsync return VERR_INVALID_PARAMETER;
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync if (RT_UNLIKELY(pSession->pDevExt != &g_VBoxDrvFreeBSDDevExt))
3393c62e395aa8388303d99f765a219efc289158vboxsync return VERR_INVALID_PARAMETER;
3393c62e395aa8388303d99f765a219efc289158vboxsync }
3393c62e395aa8388303d99f765a219efc289158vboxsync else if (RT_UNLIKELY(uReq != SUPDRV_IDC_REQ_CONNECT))
3393c62e395aa8388303d99f765a219efc289158vboxsync return VERR_INVALID_PARAMETER;
3393c62e395aa8388303d99f765a219efc289158vboxsync
3393c62e395aa8388303d99f765a219efc289158vboxsync /*
3393c62e395aa8388303d99f765a219efc289158vboxsync * Do the job.
3393c62e395aa8388303d99f765a219efc289158vboxsync */
cea5568645ca17479265436cfd5ba010ddd106d9vboxsync return supdrvIDC(uReq, &g_VBoxDrvFreeBSDDevExt, pSession, pReq);
3393c62e395aa8388303d99f765a219efc289158vboxsync}
3393c62e395aa8388303d99f765a219efc289158vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncvoid VBOXCALL supdrvOSObjInitCreator(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync{
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(pObj);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(pSession);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync}
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncbool VBOXCALL supdrvOSObjCanAccess(PSUPDRVOBJ pObj, PSUPDRVSESSION pSession, const char *pszObjName, int *prc)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync{
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(pObj);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(pSession);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(pszObjName);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync NOREF(prc);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync return false;
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync}
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
54912863a8d407402faac40cbfb00883f4af90bfvboxsync
71b548af8b5b8adb865702432045250bc56ad7e5vboxsyncbool VBOXCALL supdrvOSGetForcedAsyncTscMode(PSUPDRVDEVEXT pDevExt)
71b548af8b5b8adb865702432045250bc56ad7e5vboxsync{
71b548af8b5b8adb865702432045250bc56ad7e5vboxsync return false;
71b548af8b5b8adb865702432045250bc56ad7e5vboxsync}
71b548af8b5b8adb865702432045250bc56ad7e5vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync#ifdef SUPDRV_USE_NATIVE_LOADER
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsyncint VBOXCALL supdrvOSLdrOpen(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const char *pszFilename)
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync{
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync NOREF(pDevExt); NOREF(pImage); NOREF(pszFilename);
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync return VERR_NOT_SUPPORTED;
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync}
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsyncint VBOXCALL supdrvOSLdrValidatePointer(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, void *pv, const uint8_t *pbImageBits)
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync{
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync NOREF(pDevExt); NOREF(pImage); NOREF(pv); NOREF(pbImageBits);
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync return VERR_NOT_SUPPORTED;
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync}
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsyncint VBOXCALL supdrvOSLdrLoad(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage, const uint8_t *pbImageBits)
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync{
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync NOREF(pDevExt); NOREF(pImage); NOREF(pbImageBits);
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync return VERR_NOT_SUPPORTED;
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync}
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsyncvoid VBOXCALL supdrvOSLdrUnload(PSUPDRVDEVEXT pDevExt, PSUPDRVLDRIMAGE pImage)
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync{
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync NOREF(pDevExt); NOREF(pImage);
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync}
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync
c5019986bed37ec649721e6f7bc2117386fa5ac3vboxsync#endif /* SUPDRV_USE_NATIVE_LOADER */
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsyncSUPR0DECL(int) SUPR0Printf(const char *pszFormat, ...)
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync{
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync va_list va;
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync char szMsg[256];
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync int cch;
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync va_start(va, pszFormat);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync cch = RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, va);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync va_end(va);
fbce7e4e7123ca200586ee9257a12d663e928841vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync printf("%s", szMsg);
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync return cch;
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync}
0a769a6be37f526faeabe88f77422ee6291afa37vboxsync