DrvHostDVD.cpp revision ad27e1d5e48ca41245120c331cc88b50464813ce
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * DrvHostDVD - Host DVD block driver.
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin * Copyright (C) 2006-2007 Oracle Corporation
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * This file is part of VirtualBox Open Source Edition (OSE), as
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * available from http://www.virtualbox.org. This file is free software;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * you can redistribute it and/or modify it under the terms of the GNU
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * General Public License (GPL) as published by the Free Software
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Foundation, in version 2 as it comes in the "COPYING" file of the
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/*******************************************************************************
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Header Files *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin*******************************************************************************/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# include <IOKit/storage/IOStorageDeviceCharacteristics.h>
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* nothing (yet). */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz/* All the following crap is apparently not necessary anymore since Linux
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * version 2.6.29. */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz/* This is a hack to work around conflicts between these linux kernel headers
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * and the GLIBC tcpip headers. They have different declarations of the 4
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * standard byte order functions. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* This is another hack for not bothering with C++ unfriendly byteswap macros. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* Those macros that are needed are defined in the header below. */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# define _interlockedbittestandset they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandset
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# define _interlockedbittestandreset they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandreset
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# define _interlockedbittestandset64 they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandset64
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# define _interlockedbittestandreset64 they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandreset64
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* Forward declarations. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic DECLCALLBACK(int) drvHostDvdDoLock(PDRVHOSTBASE pThis, bool fLock);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/** @copydoc PDMIMOUNT::pfnUnmount */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic DECLCALLBACK(int) drvHostDvdUnmount(PPDMIMOUNT pInterface, bool fForce)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz PDRVHOSTBASE pThis = PDMIMOUNT_2_DRVHOSTBASE(pInterface);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Validate state.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Unlock drive if necessary. */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * Eject the disc.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin 0,0,0,0,0,0,0,0,0,0
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin rc = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, NULL, 0, 0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin rc = RTFileOpen(&FileDevice, pThis->pszDeviceOpen, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz /* do ioctl */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz if (DeviceIoControl((HANDLE)FileDevice, IOCTL_STORAGE_EJECT_MEDIA,
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* clean up handle */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin AssertMsgFailed(("Failed to open '%s' for ejecting this tray.\n", rc));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Media is no longer present.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin DRVHostBaseMediaNotPresent(pThis); /** @todo This isn't thread safe! */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Locks or unlocks the drive.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @returns VBox status code.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @param pThis The instance data.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @param fLock True if the request is to lock the drive, false if to unlock.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic DECLCALLBACK(int) drvHostDvdDoLock(PDRVHOSTBASE pThis, bool fLock)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz 0,0,0,0,0,0,0,0,0,0
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, NULL, 0, 0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc = ioctl(pThis->FileDevice, CDROM_LOCKDOOR, (int)fLock);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc = ioctl(pThis->FileRawDevice, fLock ? DKIOCLOCK : DKIOCUNLOCK, 0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if (DeviceIoControl((HANDLE)pThis->FileDevice, IOCTL_STORAGE_MEDIA_REMOVAL,
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /** @todo figure out the return codes for already locked. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin AssertMsgFailed(("Lock/Unlock is not implemented!\n"));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin LogFlow(("drvHostDvdDoLock(, fLock=%RTbool): returns %Rrc\n", fLock, rc));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Get the media size.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @returns VBox status code.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @param pThis The instance data.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @param pcb Where to store the size.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic int drvHostDvdGetMediaSize(PDRVHOSTBASE pThis, uint64_t *pcb)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Query the media size.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Clear the media-changed-since-last-call-thingy just to be on the safe side. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin ioctl(pThis->FileDevice, CDROM_MEDIA_CHANGED, CDSL_CURRENT);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin return RTFileSeek(pThis->FileDevice, 0, RTFILE_SEEK_END, pcb);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif /* RT_OS_LINUX */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * Do media change polling.
7c2fbfb345896881c631598ee3852ce9ce33fb07April ChinDECLCALLBACK(int) drvHostDvdPoll(PDRVHOSTBASE pThis)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Poll for media change.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin AssertReturn(pThis->ppScsiTaskDI, VERR_INTERNAL_ERROR);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Issue a TEST UNIT READY request.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaChanged = false;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaPresent = false;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin uint8_t abCmd[16] = { SCSI_TEST_UNIT_READY, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc2 = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, abSense, sizeof(abSense), 0);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin && ( (abSense[12] == 0x29 && abSense[13] < 5 /* reset */)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin || (abSense[12] == 0x2a && abSense[13] == 0 /* parameters changed */) //???
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin || (abSense[12] == 0x3f && abSense[13] == 0 /* target operating conditions have changed */) //???
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin || (abSense[12] == 0x3f && abSense[13] == 2 /* changed operating definition */) //???
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin || (abSense[12] == 0x3f && abSense[13] == 3 /* inquiry parameters changed */)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin || (abSense[12] == 0x3f && abSense[13] == 5 /* device identifier changed */)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /** @todo check this media change stuff on Darwin. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaPresent = ioctl(pThis->FileDevice, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaPresent = false;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaChanged = false;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Need to pass the previous state and DKIO_NONE for the first time. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc2 = ioctl(pThis->FileRawDevice, DKIOCSTATE, &s_DeviceState);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin LogFlow(("drvHostDvdPoll: %d -> %d\n", pThis->fMediaPresent, fMediaPresent));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Poll for media change.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#if defined(RT_OS_DARWIN) || defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* taken care of above. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin bool fMediaChanged = ioctl(pThis->FileDevice, CDROM_MEDIA_CHANGED, CDSL_CURRENT) == 1;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif /* USE_MEDIA_POLLING */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/** @copydoc PDMIBLOCK::pfnSendCmd */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic int drvHostDvdSendCmd(PPDMIBLOCK pInterface, const uint8_t *pbCmd,
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin uint8_t *pabSense, size_t cbSense, uint32_t cTimeoutMillies)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin PDRVHOSTBASE pThis = PDMIBLOCK_2_DRVHOSTBASE(pInterface);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin LogFlow(("%s: cmd[0]=%#04x txdir=%d pcbBuf=%d timeout=%d\n", __FUNCTION__, pbCmd[0], enmTxDir, *pcbBuf, cTimeoutMillies));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Pass the request on to the internal scsi command interface.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * The command seems to be 12 bytes long, the docs a bit copy&pasty on the command length point...
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin memset(pvBuf, '\0', *pcbBuf); /* we got read size, but zero it anyway. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin rc = DRVHostBaseScsiCmd(pThis, pbCmd, 12, PDMBLOCKTXDIR_FROM_DEVICE, pvBuf, pcbBuf, pabSense, cbSense, cTimeoutMillies);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* sense information set */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Not really ported to L4 yet. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Make sure that the buffer is clear for commands reading
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * data. The actually received data may be shorter than what
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * we expect, and due to the unreliable feedback about how much
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * data the ioctl actually transferred, it's impossible to
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * prevent that. Returning previous buffer contents may cause
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * security problems inside the guest OS, if users can issue
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * commands to the CDROM device. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin rc = ioctl(pThis->FileDevice, CDROM_SEND_PACKET, &cgc);
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin if (rc == VERR_ACCESS_DENIED && cgc.sense->sense_key == SCSI_SENSE_NONE)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2(("%s: error status %d, rc=%Rrc\n", __FUNCTION__, cgc.stat, rc));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2(("%s: after ioctl: cgc.buflen=%d txlen=%d\n", __FUNCTION__, cgc.buflen, *pcbBuf));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* The value of cgc.buflen does not reliably reflect the actual amount
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * of data transferred (for packet commands with little data transfer
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * it's 0). So just assume that everything worked ok. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* nothing to do */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Make sure that the buffer is clear for commands reading
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * data. The actually received data may be shorter than what
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * we expect, and due to the unreliable feedback about how much
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * data the ioctl actually transferred, it's impossible to
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * prevent that. Returning previous buffer contents may cause
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * security problems inside the guest OS, if users can issue
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * commands to the CDROM device. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin AssertMsgFailedReturn(("%d\n", enmTxDir), VERR_INTERNAL_ERROR);
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin /* We need root privileges for user-SCSI under Solaris. */
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin solarisEnterRootMode(&effUserID); /** @todo check return code when this really works. */
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin rc = ioctl(pThis->FileRawDevice, USCSICMD, &usc);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2(("%s: error status. rc=%Rrc\n", __FUNCTION__, rc));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2(("%s: after ioctl: residual buflen=%d original buflen=%d\n", __FUNCTION__, usc.uscsi_resid, usc.uscsi_buflen));
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz /* Make sure that the buffer is clear for commands reading
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * data. The actually received data may be shorter than what
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * we expect, and due to the unreliable feedback about how much
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * data the ioctl actually transferred, it's impossible to
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * prevent that. Returning previous buffer contents may cause
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * security problems inside the guest OS, if users can issue
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * commands to the CDROM device. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Req.spt.TimeOutValue = (cTimeoutMillies + 999) / 1000; /* Convert to seconds */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Req.spt.SenseInfoLength = (UCHAR)RT_MIN(sizeof(Req.aSense), cbSense);
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz Req.spt.SenseInfoOffset = RT_OFFSETOF(struct _REQ, aSense);
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz if (DeviceIoControl((HANDLE)pThis->FileDevice, IOCTL_SCSI_PASS_THROUGH_DIRECT,
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz &Req, sizeof(Req), &Req, sizeof(Req), &cbReturned, NULL))
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz if (cbReturned > RT_OFFSETOF(struct _REQ, aSense))
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz /* Windows shares the property of not properly reflecting the actually
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * transferred data size. See above. Assume that everything worked ok.
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * Except if there are sense information. */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz Log2(("%s: scsistatus=%d bytes returned=%d tlength=%d\n", __FUNCTION__, Req.spt.ScsiStatus, cbReturned, Req.spt.DataTransferLength));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2(("Event Status Notification class=%#02x supported classes=%#02x\n", pbBuf[2], pbBuf[3]));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log2((" event %#02x %#02x %#02x %#02x\n", pbBuf[4], pbBuf[5], pbBuf[6], pbBuf[7]));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/* These functions would have to go into a separate solaris binary with
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * the setuid permission set, which would run the user-SCSI ioctl and
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * return the value. BUT... this might be prohibitively slow.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Checks if the current user is authorized using Solaris' role-based access control.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Made as a separate function with so that it need not be invoked each time we need
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * to gain root access.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @returns VBox error code.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Uses Solaris' role-based access control (RBAC).*/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if (pPass == NULL || chkauthattr("solaris.device.cdrw", pPass->pw_name) == 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Setuid wrapper to gain root access.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @returns VBox error code.
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz * @param pEffUserID Pointer to effective user ID.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Increase privilege if required */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if (seteuid(0) == 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Setuid wrapper to relinquish root access.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @returns VBox error code.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @param pEffUserID Pointer to effective user ID.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Get back to user mode. */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# endif /* RT_OS_SOLARIS */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz#endif /* VBOX_WITH_SUID_WRAPPER */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz/* -=-=-=-=- driver interface -=-=-=-=- */
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin/** @copydoc FNPDMDRVDESTRUCT */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland MainzDECLCALLBACK(void) drvHostDvdDestruct(PPDMDRVINS pDrvIns)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin PDRVHOSTBASE pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTBASE);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Construct a host dvd drive driver instance.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * @copydoc FNPDMDRVCONSTRUCT
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinstatic DECLCALLBACK(int) drvHostDvdConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin PDRVHOSTBASE pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTBASE);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin LogFlow(("drvHostDvdConstruct: iInstance=%d\n", pDrvIns->iInstance));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Validate configuration.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if (!CFGMR3AreValuesValid(pCfg, "Path\0Interval\0Locked\0BIOSVisible\0AttachFailError\0Passthrough\0"))
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Init instance data.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin int rc = DRVHostBaseInitData(pDrvIns, pCfg, PDMBLOCKTYPE_DVD);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Override stuff.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin pThis->pbDoubleBuffer = (uint8_t *)RTMemAlloc(SCSI_MAX_BUFFER_SIZE);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#ifndef RT_OS_L4 /* Passthrough is not supported on L4 yet */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin rc = CFGMR3QueryBool(pCfg, "Passthrough", &fPassthrough);
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Passthrough requires opening the device in R/W mode. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# ifdef VBOX_WITH_SUID_WRAPPER /* Solaris setuid for Passthrough mode. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin Log(("DVD: solarisCheckUserAuth failed. Permission denied!\n"));
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin# endif /* VBOX_WITH_SUID_WRAPPER */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin#endif /* !RT_OS_L4 */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * 2nd init part.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* Suppressing the attach failure error must not affect the normal
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * DRVHostBaseDestruct, so reset this flag below before leaving. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * Block driver registration record.
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* u32Version */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* szName */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* szRCMod */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* szR0Mod */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pszDescription */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin "Host DVD Block Driver.",
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin /* fFlags */
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin /* fClass. */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* cMaxInstances */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* cbInstance */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnConstruct */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnDestruct */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnRelocate */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnIOCtl */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnPowerOn */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnReset */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnSuspend */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnResume */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnAttach */
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz /* pfnDetach */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnPowerOff */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* pfnSoftReset */
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin /* u32EndVersion */