diff options
Diffstat (limited to 'src/VBox/HostDrivers/Support/os2/SUPLib-os2.cpp')
| -rw-r--r-- | src/VBox/HostDrivers/Support/os2/SUPLib-os2.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/os2/SUPLib-os2.cpp b/src/VBox/HostDrivers/Support/os2/SUPLib-os2.cpp new file mode 100644 index 00000000..f391f2ad --- /dev/null +++ b/src/VBox/HostDrivers/Support/os2/SUPLib-os2.cpp @@ -0,0 +1,204 @@ +/* $Id: SUPLib-os2.cpp $ */ +/** @file + * VirtualBox Support Library - OS/2 specific parts. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define INCL_BASE +#define INCL_ERRORS +#include <os2.h> +#undef RT_MAX + +#ifdef IN_SUP_HARDENED_R3 +# undef DEBUG /* Warning: disables RT_STRICT */ +# define LOG_DISABLED +# define RTLOG_REL_DISABLED +# include <iprt/log.h> +#endif + +#include <VBox/types.h> +#include <VBox/sup.h> +#include <VBox/param.h> +#include <VBox/err.h> +#include <VBox/log.h> +#include <iprt/path.h> +#include <iprt/assert.h> +#include <iprt/err.h> +#include "../SUPLibInternal.h" +#include "../SUPDrvIOC.h" + +#include <errno.h> +#include <unistd.h> +#include <stdlib.h> + + +/********************************************************************************************************************************* +* Defined Constants And Macros * +*********************************************************************************************************************************/ +/** OS/2 Device name. */ +#define DEVICE_NAME "/dev/vboxdrv$" + + + +DECLHIDDEN(int) suplibOsInit(PSUPLIBDATA pThis, bool fPreInited, uint32_t fFlags, SUPINITOP *penmWhat, PRTERRINFO pErrInfo) +{ + /* + * Nothing to do if pre-inited. + */ + if (fPreInited) + return VINF_SUCCESS; + + /* + * Try open the device. + */ + ULONG ulAction = 0; + HFILE hDevice = (HFILE)-1; + APIRET rc = DosOpen((PCSZ)DEVICE_NAME, + &hDevice, + &ulAction, + 0, + FILE_NORMAL, + OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS, + OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYNONE | OPEN_ACCESS_READWRITE, + NULL); + if (rc) + { + int vrc; + switch (rc) + { + case ERROR_FILE_NOT_FOUND: + case ERROR_PATH_NOT_FOUND: vrc = VERR_VM_DRIVER_NOT_INSTALLED; break; + default: vrc = VERR_VM_DRIVER_OPEN_ERROR; break; + } + LogRel(("Failed to open \"%s\", rc=%d, vrc=%Rrc\n", DEVICE_NAME, rc, vrc)); + return vrc; + } + + pThis->hDevice = hDevice; + pThis->fUnrestricted = true; + RT_NOREF(fFlags); + return VINF_SUCCESS; +} + + +DECLHIDDEN(int) suplibOsTerm(PSUPLIBDATA pThis) +{ + /* + * Check if we're inited at all. + */ + if (pThis->hDevice != (intptr_t)NIL_RTFILE) + { + APIRET rc = DosClose((HFILE)pThis->hDevice); + AssertMsg(rc == NO_ERROR, ("%d\n", rc)); NOREF(rc); + pThis->hDevice = (intptr_t)NIL_RTFILE; + } + + return 0; +} + + +#ifndef IN_SUP_HARDENED_R3 + +DECLHIDDEN(int) suplibOsInstall(void) +{ + /** @remark OS/2: Not supported */ + return VERR_NOT_SUPPORTED; +} + + +DECLHIDDEN(int) suplibOsUninstall(void) +{ + /** @remark OS/2: Not supported */ + return VERR_NOT_SUPPORTED; +} + + +DECLHIDDEN(int) suplibOsIOCtl(PSUPLIBDATA pThis, uintptr_t uFunction, void *pvReq, size_t cbReq) +{ + ULONG cbReturned = sizeof(SUPREQHDR); + int rc = DosDevIOCtl((HFILE)pThis->hDevice, SUP_CTL_CATEGORY, uFunction, + pvReq, cbReturned, &cbReturned, + NULL, 0, NULL); + if (RT_LIKELY(rc == NO_ERROR)) + return VINF_SUCCESS; + return RTErrConvertFromOS2(rc); +} + + +DECLHIDDEN(int) suplibOsIOCtlFast(PSUPLIBDATA pThis, uintptr_t uFunction, uintptr_t idCpu) +{ + NOREF(idCpu); + int32_t rcRet = VERR_INTERNAL_ERROR; + int rc = DosDevIOCtl((HFILE)pThis->hDevice, SUP_CTL_CATEGORY_FAST, uFunction, + NULL, 0, NULL, + NULL, 0, NULL); + if (RT_LIKELY(rc == NO_ERROR)) + rc = rcRet; + else + rc = RTErrConvertFromOS2(rc); + return rc; +} + + +DECLHIDDEN(int) suplibOsPageAlloc(PSUPLIBDATA pThis, size_t cPages, uint32_t fFlags, void **ppvPages) +{ + RT_NOREF(pThis, fFlags); + *ppvPages = NULL; + int rc = DosAllocMem(ppvPages, cPages << PAGE_SHIFT, PAG_READ | PAG_WRITE | PAG_EXECUTE | PAG_COMMIT | OBJ_ANY); + if (rc == ERROR_INVALID_PARAMETER) + rc = DosAllocMem(ppvPages, cPages << PAGE_SHIFT, PAG_READ | PAG_WRITE | PAG_EXECUTE | PAG_COMMIT | OBJ_ANY); + if (!rc) + rc = VINF_SUCCESS; + else + rc = RTErrConvertFromOS2(rc); + return rc; +} + + +DECLHIDDEN(int) suplibOsPageFree(PSUPLIBDATA pThis, void *pvPages, size_t /* cPages */) +{ + NOREF(pThis); + if (pvPages) + { + int rc = DosFreeMem(pvPages); + Assert(!rc); NOREF(rc); + } + return VINF_SUCCESS; +} + +#endif /* !IN_SUP_HARDENED_R3 */ + |