#define LOG_GROUP LOG_GROUP_DRV_HOST_DVD

#define __STDC_LIMIT_MACROS

#define __STDC_CONSTANT_MACROS

#ifdef RT_OS_DARWIN

# include <mach/mach.h>

# include <Carbon/Carbon.h>

# include <IOKit/IOKitLib.h>

# include <IOKit/IOCFPlugIn.h>

# include <IOKit/scsi/SCSITaskLib.h>

# include <IOKit/scsi/SCSICommandOperationCodes.h>

# include <IOKit/storage/IOStorageDeviceCharacteristics.h>

# include <mach/mach_error.h>

# define USE_MEDIA_POLLING

#elif defined(RT_OS_L4)

#elif defined RT_OS_LINUX

# include <sys/ioctl.h>

# include <linux/version.h>

# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)

# define _LINUX_BYTEORDER_GENERIC_H

# include "swab.h"

# endif

# include <linux/cdrom.h>

# include <sys/fcntl.h>

# include <errno.h>

# include <limits.h>

# include <iprt/mem.h>

# define USE_MEDIA_POLLING

#elif defined(RT_OS_SOLARIS)

# include <stropts.h>

# include <fcntl.h>

# include <errno.h>

# include <pwd.h>

# include <unistd.h>

# include <syslog.h>

# ifdef VBOX_WITH_SUID_WRAPPER

# include <auth_attr.h>

# endif

# include <sys/dkio.h>

# include <sys/sockio.h>

# include <sys/scsi/scsi.h>

# define USE_MEDIA_POLLING

#elif defined(RT_OS_WINDOWS)

# pragma warning(disable : 4163)

# define _interlockedbittestandset they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandset

# define _interlockedbittestandreset they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandreset

# define _interlockedbittestandset64 they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandset64

# define _interlockedbittestandreset64 they_messed_it_up_in_winnt_h_this_time_sigh__interlockedbittestandreset64

# include <Windows.h>

# include <winioctl.h>

# include <ntddscsi.h>

# pragma warning(default : 4163)

# undef _interlockedbittestandset

# undef _interlockedbittestandreset

# undef _interlockedbittestandset64

# undef _interlockedbittestandreset64

# undef USE_MEDIA_POLLING

#elif defined(RT_OS_FREEBSD)

# include <sys/cdefs.h>

# include <sys/param.h>

# include <stdio.h>

# include <cam/cam.h>

# include <cam/cam_ccb.h>

# define USE_MEDIA_POLLING

#else

# error "Unsupported Platform."

#endif

#include <iprt/asm.h>

#include <VBox/vmm/pdmdrv.h>

#include <iprt/asm.h>

#include <iprt/assert.h>

#include <iprt/file.h>

#include <iprt/string.h>

#include <iprt/thread.h>

#include <iprt/critsect.h>

#include <VBox/scsi.h>

#include "VBoxDD.h"

#include "DrvHostBase.h"

static DECLCALLBACK(int) drvHostDvdDoLock(PDRVHOSTBASE pThis, bool fLock);

#ifdef VBOX_WITH_SUID_WRAPPER

static int solarisCheckUserAuth();

static int solarisEnterRootMode(uid_t *pEffUserID);

static int solarisExitRootMode(uid_t *pEffUserID);

#endif

static DECLCALLBACK(int) drvHostDvdUnmount(PPDMIMOUNT pInterface, bool fForce, bool fEject)

{

PDRVHOSTBASE pThis = PDMIMOUNT_2_DRVHOSTBASE(pInterface);

RTCritSectEnter(&pThis->CritSect);

/*

int rc = VINF_SUCCESS;

if (!pThis->fLocked || fForce)

{

/* Unlock drive if necessary. */

if (pThis->fLocked)

drvHostDvdDoLock(pThis, false);

if (fEject)

{

/*

#if defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)

uint8_t abCmd[16] =

{

SCSI_START_STOP_UNIT, 0, 0, 0, 2 /*eject+stop*/, 0,

0,0,0,0,0,0,0,0,0,0

};

rc = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, NULL, 0, 0);

#elif defined(RT_OS_LINUX)

rc = ioctl(RTFileToNative(pThis->hFileDevice), CDROMEJECT, 0);

if (rc < 0)

{

if (errno == EBUSY)

rc = VERR_PDM_MEDIA_LOCKED;

else if (errno == ENOSYS)

rc = VERR_NOT_SUPPORTED;

else

rc = RTErrConvertFromErrno(errno);

}

#elif defined(RT_OS_SOLARIS)

rc = ioctl(RTFileToNative(pThis->hFileRawDevice), DKIOCEJECT, 0);

if (rc < 0)

{

if (errno == EBUSY)

rc = VERR_PDM_MEDIA_LOCKED;

else if (errno == ENOSYS || errno == ENOTSUP)

rc = VERR_NOT_SUPPORTED;

else if (errno == ENODEV)

rc = VERR_PDM_MEDIA_NOT_MOUNTED;

else

rc = RTErrConvertFromErrno(errno);

}

#elif defined(RT_OS_WINDOWS)

RTFILE hFileDevice = pThis->hFileDevice;

if (hFileDevice == NIL_RTFILE) /* obsolete crap */

rc = RTFileOpen(&hFileDevice, pThis->pszDeviceOpen, RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);

if (RT_SUCCESS(rc))

{

/* do ioctl */

DWORD cbReturned;

if (DeviceIoControl((HANDLE)RTFileToNative(hFileDevice), IOCTL_STORAGE_EJECT_MEDIA,

NULL, 0,

NULL, 0, &cbReturned,

NULL))

rc = VINF_SUCCESS;

else

rc = RTErrConvertFromWin32(GetLastError());

/* clean up handle */

if (hFileDevice != pThis->hFileDevice)

RTFileClose(hFileDevice);

}

else

AssertMsgFailed(("Failed to open '%s' for ejecting this tray.\n", rc));

#else

AssertMsgFailed(("Eject is not implemented!\n"));

rc = VINF_SUCCESS;

#endif

}

/*

DRVHostBaseMediaNotPresent(pThis); /** @todo This isn't thread safe! */

}

else

{

Log(("drvHostDvdUnmount: Locked\n"));

rc = VERR_PDM_MEDIA_LOCKED;

}

RTCritSectLeave(&pThis->CritSect);

LogFlow(("drvHostDvdUnmount: returns %Rrc\n", rc));

return rc;

}

static DECLCALLBACK(int) drvHostDvdDoLock(PDRVHOSTBASE pThis, bool fLock)

{

#if defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)

uint8_t abCmd[16] =

{

SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL, 0, 0, 0, fLock, 0,

0,0,0,0,0,0,0,0,0,0

};

int rc = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, NULL, 0, 0);

#elif defined(RT_OS_LINUX)

int rc = ioctl(RTFileToNative(pThis->hFileDevice), CDROM_LOCKDOOR, (int)fLock);

if (rc < 0)

{

if (errno == EBUSY)

rc = VERR_ACCESS_DENIED;

else if (errno == EDRIVE_CANT_DO_THIS)

rc = VERR_NOT_SUPPORTED;

else

rc = RTErrConvertFromErrno(errno);

}

#elif defined(RT_OS_SOLARIS)

int rc = ioctl(RTFileToNative(pThis->hFileRawDevice), fLock ? DKIOCLOCK : DKIOCUNLOCK, 0);

if (rc < 0)

{

if (errno == EBUSY)

rc = VERR_ACCESS_DENIED;

else if (errno == ENOTSUP || errno == ENOSYS)

rc = VERR_NOT_SUPPORTED;

else

rc = RTErrConvertFromErrno(errno);

}

#elif defined(RT_OS_WINDOWS)

PREVENT_MEDIA_REMOVAL PreventMediaRemoval = {fLock};

DWORD cbReturned;

int rc;

if (DeviceIoControl((HANDLE)RTFileToNative(pThis->hFileDevice), IOCTL_STORAGE_MEDIA_REMOVAL,

&PreventMediaRemoval, sizeof(PreventMediaRemoval),

NULL, 0, &cbReturned,

NULL))

rc = VINF_SUCCESS;

else

/** @todo figure out the return codes for already locked. */

rc = RTErrConvertFromWin32(GetLastError());

#else

AssertMsgFailed(("Lock/Unlock is not implemented!\n"));

int rc = VINF_SUCCESS;

#endif

LogFlow(("drvHostDvdDoLock(, fLock=%RTbool): returns %Rrc\n", fLock, rc));

return rc;

}

#ifdef RT_OS_LINUX

static int drvHostDvdGetMediaSize(PDRVHOSTBASE pThis, uint64_t *pcb)

{

/*

/* Clear the media-changed-since-last-call-thingy just to be on the safe side. */

ioctl(RTFileToNative(pThis->hFileDevice), CDROM_MEDIA_CHANGED, CDSL_CURRENT);

return RTFileSeek(pThis->hFileDevice, 0, RTFILE_SEEK_END, pcb);

}

#endif /* RT_OS_LINUX */

#ifdef USE_MEDIA_POLLING

DECLCALLBACK(int) drvHostDvdPoll(PDRVHOSTBASE pThis)

{

/*

#if defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)

#ifdef RT_OS_DARWIN

AssertReturn(pThis->ppScsiTaskDI, VERR_INTERNAL_ERROR);

#endif

/*

bool fMediaChanged = false;

bool fMediaPresent = false;

uint8_t abCmd[16] = { SCSI_TEST_UNIT_READY, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };

uint8_t abSense[32];

int rc2 = DRVHostBaseScsiCmd(pThis, abCmd, 6, PDMBLOCKTXDIR_NONE, NULL, NULL, abSense, sizeof(abSense), 0);

if (RT_SUCCESS(rc2))

fMediaPresent = true;

else if ( rc2 == VERR_UNRESOLVED_ERROR

&& abSense[2] == 6 /* unit attention */

&& ( (abSense[12] == 0x29 && abSense[13] < 5 /* reset */)

|| (abSense[12] == 0x2a && abSense[13] == 0 /* parameters changed */) //???

|| (abSense[12] == 0x3f && abSense[13] == 0 /* target operating conditions have changed */) //???

|| (abSense[12] == 0x3f && abSense[13] == 2 /* changed operating definition */) //???

|| (abSense[12] == 0x3f && abSense[13] == 3 /* inquiry parameters changed */)

|| (abSense[12] == 0x3f && abSense[13] == 5 /* device identifier changed */)

)

)

{

fMediaPresent = false;

fMediaChanged = true;

/** @todo check this media change stuff on Darwin. */

}

#elif defined(RT_OS_LINUX)

bool fMediaPresent = ioctl(RTFileToNative(pThis->hFileDevice), CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;

#elif defined(RT_OS_SOLARIS)

bool fMediaPresent = false;

bool fMediaChanged = false;

/* Need to pass the previous state and DKIO_NONE for the first time. */

static dkio_state s_DeviceState = DKIO_NONE;

dkio_state PreviousState = s_DeviceState;

int rc2 = ioctl(RTFileToNative(pThis->hFileRawDevice), DKIOCSTATE, &s_DeviceState);

if (rc2 == 0)

{

fMediaPresent = (s_DeviceState == DKIO_INSERTED);

if (PreviousState != s_DeviceState)

fMediaChanged = true;

}

#else

# error "Unsupported platform."

#endif

RTCritSectEnter(&pThis->CritSect);

int rc = VINF_SUCCESS;

if (pThis->fMediaPresent != fMediaPresent)

{

LogFlow(("drvHostDvdPoll: %d -> %d\n", pThis->fMediaPresent, fMediaPresent));

pThis->fMediaPresent = false;

if (fMediaPresent)

rc = DRVHostBaseMediaPresent(pThis);

else

DRVHostBaseMediaNotPresent(pThis);

}

else if (fMediaPresent)

{

/*

#if defined(RT_OS_DARWIN) || defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD)

/* taken care of above. */

#elif defined(RT_OS_LINUX)

bool fMediaChanged = ioctl(RTFileToNative(pThis->hFileDevice), CDROM_MEDIA_CHANGED, CDSL_CURRENT) == 1;

#else

# error "Unsupported platform."

#endif

if (fMediaChanged)

{

LogFlow(("drvHostDVDMediaThread: Media changed!\n"));

DRVHostBaseMediaNotPresent(pThis);

rc = DRVHostBaseMediaPresent(pThis);

}

}

RTCritSectLeave(&pThis->CritSect);

return rc;

}

#endif /* USE_MEDIA_POLLING */

static int drvHostDvdSendCmd(PPDMIBLOCK pInterface, const uint8_t *pbCmd,

PDMBLOCKTXDIR enmTxDir, void *pvBuf, uint32_t *pcbBuf,

uint8_t *pabSense, size_t cbSense, uint32_t cTimeoutMillies)

{

PDRVHOSTBASE pThis = PDMIBLOCK_2_DRVHOSTBASE(pInterface);

int rc;

LogFlow(("%s: cmd[0]=%#04x txdir=%d pcbBuf=%d timeout=%d\n", __FUNCTION__, pbCmd[0], enmTxDir, *pcbBuf, cTimeoutMillies));

#if defined(RT_OS_DARWIN) || defined(RT_OS_FREEBSD)

/*

if (enmTxDir == PDMBLOCKTXDIR_FROM_DEVICE)

memset(pvBuf, '\0', *pcbBuf); /* we got read size, but zero it anyway. */

rc = DRVHostBaseScsiCmd(pThis, pbCmd, 12, PDMBLOCKTXDIR_FROM_DEVICE, pvBuf, pcbBuf, pabSense, cbSense, cTimeoutMillies);

if (rc == VERR_UNRESOLVED_ERROR)

/* sense information set */

rc = VERR_DEV_IO_ERROR;

#elif defined(RT_OS_L4)

/* Not really ported to L4 yet. */

rc = VERR_INTERNAL_ERROR;

#elif defined(RT_OS_LINUX)

int direction;

struct cdrom_generic_command cgc;

switch (enmTxDir)

{

case PDMBLOCKTXDIR_NONE:

Assert(*pcbBuf == 0);

direction = CGC_DATA_NONE;

break;

case PDMBLOCKTXDIR_FROM_DEVICE:

Assert(*pcbBuf != 0);

Assert(*pcbBuf <= SCSI_MAX_BUFFER_SIZE);

/* Make sure that the buffer is clear for commands reading

memset(pThis->pbDoubleBuffer, '\0', *pcbBuf);

direction = CGC_DATA_READ;

break;

case PDMBLOCKTXDIR_TO_DEVICE:

Assert(*pcbBuf != 0);

Assert(*pcbBuf <= SCSI_MAX_BUFFER_SIZE);

memcpy(pThis->pbDoubleBuffer, pvBuf, *pcbBuf);

direction = CGC_DATA_WRITE;

break;

default:

AssertMsgFailed(("enmTxDir invalid!\n"));

direction = CGC_DATA_NONE;

}

memset(&cgc, '\0', sizeof(cgc));

memcpy(cgc.cmd, pbCmd, CDROM_PACKET_SIZE);

cgc.buffer = (unsigned char *)pThis->pbDoubleBuffer;

cgc.buflen = *pcbBuf;

cgc.stat = 0;

Assert(cbSense >= sizeof(struct request_sense));

cgc.sense = (struct request_sense *)pabSense;

cgc.data_direction = direction;

cgc.quiet = false;

cgc.timeout = cTimeoutMillies;

rc = ioctl(RTFileToNative(pThis->hFileDevice), CDROM_SEND_PACKET, &cgc);

if (rc < 0)

{

if (errno == EBUSY)

rc = VERR_PDM_MEDIA_LOCKED;

else if (errno == ENOSYS)

rc = VERR_NOT_SUPPORTED;

else

{

rc = RTErrConvertFromErrno(errno);

if (rc == VERR_ACCESS_DENIED && cgc.sense->sense_key == SCSI_SENSE_NONE)

cgc.sense->sense_key = SCSI_SENSE_ILLEGAL_REQUEST;

Log2(("%s: error status %d, rc=%Rrc\n", __FUNCTION__, cgc.stat, rc));

}

}

switch (enmTxDir)

{

case PDMBLOCKTXDIR_FROM_DEVICE:

memcpy(pvBuf, pThis->pbDoubleBuffer, *pcbBuf);

break;

default:

;

}

Log2(("%s: after ioctl: cgc.buflen=%d txlen=%d\n", __FUNCTION__, cgc.buflen, *pcbBuf));

/* The value of cgc.buflen does not reliably reflect the actual amount

#elif defined(RT_OS_SOLARIS)

struct uscsi_cmd usc;

union scsi_cdb scdb;

memset(&usc, 0, sizeof(struct uscsi_cmd));

memset(&scdb, 0, sizeof(scdb));

switch (enmTxDir)

{

case PDMBLOCKTXDIR_NONE:

Assert(*pcbBuf == 0);

usc.uscsi_flags = USCSI_READ;

/* nothing to do */

break;

case PDMBLOCKTXDIR_FROM_DEVICE:

Assert(*pcbBuf != 0);

/* Make sure that the buffer is clear for commands reading

memset(pvBuf, '\0', *pcbBuf);

usc.uscsi_flags = USCSI_READ;

break;

case PDMBLOCKTXDIR_TO_DEVICE:

Assert(*pcbBuf != 0);

usc.uscsi_flags = USCSI_WRITE;

break;

default:

AssertMsgFailedReturn(("%d\n", enmTxDir), VERR_INTERNAL_ERROR);

}

usc.uscsi_flags |= USCSI_RQENABLE;

usc.uscsi_rqbuf = (char *)pabSense;

usc.uscsi_rqlen = cbSense;

usc.uscsi_cdb = (caddr_t)&scdb;

usc.uscsi_cdblen = 12;

memcpy (usc.uscsi_cdb, pbCmd, usc.uscsi_cdblen);

usc.uscsi_bufaddr = (caddr_t)pvBuf;

usc.uscsi_buflen = *pcbBuf;

usc.uscsi_timeout = (cTimeoutMillies + 999) / 1000;

/* We need root privileges for user-SCSI under Solaris. */

#ifdef VBOX_WITH_SUID_WRAPPER

uid_t effUserID = geteuid();

solarisEnterRootMode(&effUserID); /** @todo check return code when this really works. */

#endif

rc = ioctl(RTFileToNative(pThis->hFileRawDevice), USCSICMD, &usc);

#ifdef VBOX_WITH_SUID_WRAPPER

solarisExitRootMode(&effUserID);

#endif

if (rc < 0)

{

if (errno == EPERM)

return VERR_PERMISSION_DENIED;

if (usc.uscsi_status)

{

rc = RTErrConvertFromErrno(errno);

Log2(("%s: error status. rc=%Rrc\n", __FUNCTION__, rc));

}

}

Log2(("%s: after ioctl: residual buflen=%d original buflen=%d\n", __FUNCTION__, usc.uscsi_resid, usc.uscsi_buflen));

#elif defined(RT_OS_WINDOWS)

int direction;

struct _REQ

{

SCSI_PASS_THROUGH_DIRECT spt;

uint8_t aSense[64];

} Req;

DWORD cbReturned = 0;

switch (enmTxDir)

{

case PDMBLOCKTXDIR_NONE:

direction = SCSI_IOCTL_DATA_UNSPECIFIED;

break;

case PDMBLOCKTXDIR_FROM_DEVICE:

Assert(*pcbBuf != 0);

/* Make sure that the buffer is clear for commands reading

memset(pvBuf, '\0', *pcbBuf);

direction = SCSI_IOCTL_DATA_IN;

break;

case PDMBLOCKTXDIR_TO_DEVICE:

direction = SCSI_IOCTL_DATA_OUT;

break;

default:

AssertMsgFailed(("enmTxDir invalid!\n"));

direction = SCSI_IOCTL_DATA_UNSPECIFIED;

}

memset(&Req, '\0', sizeof(Req));

Req.spt.Length = sizeof(Req.spt);

Req.spt.CdbLength = 12;

memcpy(Req.spt.Cdb, pbCmd, Req.spt.CdbLength);

Req.spt.DataBuffer = pvBuf;

Req.spt.DataTransferLength = *pcbBuf;

Req.spt.DataIn = direction;

Req.spt.TimeOutValue = (cTimeoutMillies + 999) / 1000; /* Convert to seconds */

Assert(cbSense <= sizeof(Req.aSense));

Req.spt.SenseInfoLength = (UCHAR)RT_MIN(sizeof(Req.aSense), cbSense);

Req.spt.SenseInfoOffset = RT_OFFSETOF(struct _REQ, aSense);

if (DeviceIoControl((HANDLE)RTFileToNative(pThis->hFileDevice), IOCTL_SCSI_PASS_THROUGH_DIRECT,

&Req, sizeof(Req), &Req, sizeof(Req), &cbReturned, NULL))

{

if (cbReturned > RT_OFFSETOF(struct _REQ, aSense))

memcpy(pabSense, Req.aSense, cbSense);

else

memset(pabSense, '\0', cbSense);

/* Windows shares the property of not properly reflecting the actually

rc = (pabSense[2] & 0x0f) == SCSI_SENSE_NONE

? VINF_SUCCESS

: VERR_DEV_IO_ERROR;

}

else

rc = RTErrConvertFromWin32(GetLastError());

Log2(("%s: scsistatus=%d bytes returned=%d tlength=%d\n", __FUNCTION__, Req.spt.ScsiStatus, cbReturned, Req.spt.DataTransferLength));

#else

# error "Unsupported platform."

#endif

if (pbCmd[0] == SCSI_GET_EVENT_STATUS_NOTIFICATION)

{

uint8_t *pbBuf = (uint8_t*)pvBuf;

Log2(("Event Status Notification class=%#02x supported classes=%#02x\n", pbBuf[2], pbBuf[3]));

if (RT_BE2H_U16(*(uint16_t*)pbBuf) >= 6)

Log2((" event %#02x %#02x %#02x %#02x\n", pbBuf[4], pbBuf[5], pbBuf[6], pbBuf[7]));

}

LogFlow(("%s: rc=%Rrc\n", __FUNCTION__, rc));

return rc;

}

#ifdef VBOX_WITH_SUID_WRAPPER

# ifdef RT_OS_SOLARIS

static int solarisCheckUserAuth()

{

/* Uses Solaris' role-based access control (RBAC).*/

struct passwd *pPass = getpwuid(getuid());

if (pPass == NULL || chkauthattr("solaris.device.cdrw", pPass->pw_name) == 0)

return VERR_PERMISSION_DENIED;

return VINF_SUCCESS;

}

static int solarisEnterRootMode(uid_t *pEffUserID)

{

/* Increase privilege if required */

if (*pEffUserID != 0)

{

if (seteuid(0) == 0)

{

*pEffUserID = 0;

return VINF_SUCCESS;

}

return VERR_PERMISSION_DENIED;

}

return VINF_SUCCESS;

}

static int solarisExitRootMode(uid_t *pEffUserID)

{

/* Get back to user mode. */

if (*pEffUserID == 0)

{

uid_t realID = getuid();

if (seteuid(realID) == 0)

{

*pEffUserID = realID;

return VINF_SUCCESS;

}

return VERR_PERMISSION_DENIED;

}

return VINF_SUCCESS;

}

# endif /* RT_OS_SOLARIS */

#endif /* VBOX_WITH_SUID_WRAPPER */

DECLCALLBACK(void) drvHostDvdDestruct(PPDMDRVINS pDrvIns)

{

#ifdef RT_OS_LINUX

PDRVHOSTBASE pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTBASE);

if (pThis->pbDoubleBuffer)

{

RTMemFree(pThis->pbDoubleBuffer);

pThis->pbDoubleBuffer = NULL;

}

#endif

return DRVHostBaseDestruct(pDrvIns);

}

static DECLCALLBACK(int) drvHostDvdConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)

{

PDRVHOSTBASE pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTBASE);

LogFlow(("drvHostDvdConstruct: iInstance=%d\n", pDrvIns->iInstance));

/*

if (!CFGMR3AreValuesValid(pCfg, "Path\0Interval\0Locked\0BIOSVisible\0AttachFailError\0Passthrough\0"))

return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;

/*

int rc = DRVHostBaseInitData(pDrvIns, pCfg, PDMBLOCKTYPE_DVD);

if (RT_SUCCESS(rc))

{

/*

#ifdef RT_OS_LINUX

pThis->pbDoubleBuffer = (uint8_t *)RTMemAlloc(SCSI_MAX_BUFFER_SIZE);

if (!pThis->pbDoubleBuffer)

return VERR_NO_MEMORY;

#endif

#ifndef RT_OS_L4 /* Passthrough is not supported on L4 yet */

bool fPassthrough;

rc = CFGMR3QueryBool(pCfg, "Passthrough", &fPassthrough);

if (RT_SUCCESS(rc) && fPassthrough)

{

pThis->IBlock.pfnSendCmd = drvHostDvdSendCmd;

/* Passthrough requires opening the device in R/W mode. */

pThis->fReadOnlyConfig = false;

# ifdef VBOX_WITH_SUID_WRAPPER /* Solaris setuid for Passthrough mode. */

rc = solarisCheckUserAuth();

if (RT_FAILURE(rc))

{

Log(("DVD: solarisCheckUserAuth failed. Permission denied!\n"));

return rc;

}

# endif /* VBOX_WITH_SUID_WRAPPER */

}

#endif /* !RT_OS_L4 */

pThis->IMount.pfnUnmount = drvHostDvdUnmount;

pThis->pfnDoLock = drvHostDvdDoLock;

#ifdef USE_MEDIA_POLLING

if (!fPassthrough)

pThis->pfnPoll = drvHostDvdPoll;

else

pThis->pfnPoll = NULL;

#endif

#ifdef RT_OS_LINUX

pThis->pfnGetMediaSize = drvHostDvdGetMediaSize;

#endif

/*

rc = DRVHostBaseInitFinish(pThis);

}

if (RT_FAILURE(rc))

{

if (!pThis->fAttachFailError)

{

/* Suppressing the attach failure error must not affect the normal

pThis->fKeepInstance = true;

rc = VINF_SUCCESS;

}

DRVHostBaseDestruct(pDrvIns);

pThis->fKeepInstance = false;

}

LogFlow(("drvHostDvdConstruct: returns %Rrc\n", rc));

return rc;

}

const PDMDRVREG g_DrvHostDVD =

{

/* u32Version */

PDM_DRVREG_VERSION,

/* szName */

"HostDVD",

/* szRCMod */

"",

/* szR0Mod */

"",

/* pszDescription */

"Host DVD Block Driver.",

/* fFlags */

PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,

/* fClass. */

PDM_DRVREG_CLASS_BLOCK,

/* cMaxInstances */

~0U,

/* cbInstance */

sizeof(DRVHOSTBASE),

/* pfnConstruct */

drvHostDvdConstruct,

/* pfnDestruct */

drvHostDvdDestruct,

/* pfnRelocate */

NULL,

/* pfnIOCtl */

NULL,

/* pfnPowerOn */

NULL,

/* pfnReset */

NULL,

/* pfnSuspend */

NULL,

/* pfnResume */

NULL,

/* pfnAttach */

NULL,

/* pfnDetach */

NULL,

/* pfnPowerOff */

NULL,

/* pfnSoftReset */

NULL,

/* u32EndVersion */

PDM_DRVREG_VERSION

};