Support/solaris/SUPLib-solaris.cpp

	SUPLib-solaris.cpp revision b27991b512ea0b29ef75f62a9e54e4bba411f77e
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/* $Id$ */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** @file
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync * Support Library - Solaris Specific Back-End.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Copyright (C) 2006-2007 Sun Microsystems, Inc.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * available from http://www.virtualbox.org. This file is free software;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * you can redistribute it and/or modify it under the terms of the GNU
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * General Public License (GPL) as published by the Free Software
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * The contents of this file may alternatively be used under the terms
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * of the Common Development and Distribution License Version 1.0
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * VirtualBox OSE distribution, in which case the provisions of the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * CDDL are applicable instead of those of the GPL.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * You may elect to license modified versions of this file under the
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * terms and conditions of either the GPL or the CDDL or both.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync * additional information or have any questions.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*   Header Files                                                               *
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#define LOG_GROUP LOG_GROUP_SUP
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/types.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/sup.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/param.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/err.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <VBox/log.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/path.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/assert.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <iprt/mem.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/err.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <iprt/string.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include "../SUPLibInternal.h"
3393c62e395aa8388303d99f765a219efc289158vboxsync#include "../SUPDrvIOC.h"
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/fcntl.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <sys/ioctl.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <fcntl.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <errno.h>
45565249f149f7562fc6ee85be7ca3a3706e32e6vboxsync#include <unistd.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <sys/mman.h>
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync#include <stdlib.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#include <stdio.h>
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*   Defined Constants And Macros                                               *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/** Solaris device link. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync#define DEVICE_NAME     "/dev/vboxdrv"
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync/*******************************************************************************
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*   Global Variables                                                           *
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync*******************************************************************************/
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync/** Handle to the open device. */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncstatic int              g_hDevice = -1;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncint suplibOsInit(size_t cbReserve)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     * Check if already initialized.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    if (g_hDevice >= 0)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        return VINF_SUCCESS;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     * Try to open the device.
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    g_hDevice = open(DEVICE_NAME, O_RDWR, 0);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    if (g_hDevice < 0)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        int rc;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        switch (errno)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync            case ENODEV:    rc = VERR_VM_DRIVER_LOAD_ERROR; break;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync            case EPERM:
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync            case EACCES:    rc = VERR_VM_DRIVER_NOT_ACCESSIBLE; break;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync            case ENOENT:    rc = VERR_VM_DRIVER_NOT_INSTALLED; break;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync            default:        rc = VERR_VM_DRIVER_OPEN_ERROR; break;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        LogRel(("Failed to open \"%s\", errno=%d, rc=%Vrc\n", DEVICE_NAME, errno, rc));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        return rc;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    /*
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync     * Mark the file handle close on exec.
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync     */
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    if (fcntl(g_hDevice, F_SETFD, FD_CLOEXEC) != 0)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        int rc = errno;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        LogRel(("suplibOSInit: setting FD_CLOEXEC failed, errno=%d\n", rc));
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync        close(g_hDevice);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        g_hDevice = -1;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        return RTErrConvertFromErrno(rc);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     * Avoid unused parameter warning
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    NOREF(cbReserve);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return VINF_SUCCESS;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncint suplibOsTerm(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    /*
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     * Check if we're initialized
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync     */
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    if (g_hDevice >= 0)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    {
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        if (close(g_hDevice))
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync            AssertFailed();
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        g_hDevice = -1;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    }
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return VINF_SUCCESS;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncint suplibOsInstall(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return VERR_NOT_IMPLEMENTED;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncint suplibOsUninstall(void)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return VERR_NOT_IMPLEMENTED;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncint suplibOsIOCtl(uintptr_t uFunction, void *pvReq, size_t cbReq)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    AssertMsg(g_hDevice != -1, ("SUPLIB not initiated successfully!\n"));
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    if (RT_LIKELY(ioctl(g_hDevice, uFunction, pvReq) >= 0))
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        return VINF_SUCCESS;
4b30f6c72b07654509606857da385afcc09aaae3vboxsync    return RTErrConvertFromErrno(errno);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsyncint suplibOsIOCtlFast(uintptr_t uFunction)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    int rc = ioctl(g_hDevice, uFunction, NULL);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    if (rc == -1)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        rc = errno;
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return rc;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncint suplibOsPageAlloc(size_t cPages, void **ppvPages)
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    *ppvPages = mmap(NULL, cPages * PAGE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE,
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync                     MAP_PRIVATE | MAP_ANON, -1, 0);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    if (*ppvPages != (void *)-1)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync        return VINF_SUCCESS;
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync    return RTErrConvertFromErrno(errno);
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync}
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsync
84eeabfd29e718854e00e795879dab6ce61469e5vboxsyncint suplibOsPageFree(void *pvPages, size_t cPages)
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync{
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    munmap(pvPages, cPages * PAGE_SIZE);
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync    return VINF_SUCCESS;
4b30f6c72b07654509606857da385afcc09aaae3vboxsync}
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync
bb73206f5ad484c56a70984ee9897e9ffee18b8bvboxsync