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dvdisaster/scsi-darwin.c
TANIGUCHI Takaki 606d4178ee Imported Upstream version 0.72.3
2012-03-06 11:23:04 +09:00

321 lines
9.7 KiB
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/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2011 Carsten Gnoerlich.
* Project home page: http://www.dvdisaster.com
* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA,
* or direct your browser at http://www.gnu.org.
*/
/*
* Darwin support by Julian Einwag <julian@einwag.de>.
* This is still an early version.
*/
#include "dvdisaster.h"
#include "scsi-layer.h"
#include "udf.h"
#ifdef SYS_DARWIN
#include <IOKit/storage/IOStorageDeviceCharacteristics.h>
#include <IOKit/IOBSD.h>
#include <stdlib.h>
/*
* Unmount media before trying to access them.
* Added by Bernd Heller, <bdheller@users.sourceforge.net>
*/
static void unmountDVD(io_object_t scsiDevice)
{
CFStringRef bsdName = NULL;
bsdName = (CFStringRef) IORegistryEntrySearchCFProperty(scsiDevice,
kIOServicePlane,
CFSTR(kIOBSDNameKey),
kCFAllocatorDefault,
kIORegistryIterateRecursively);
if (bsdName != NULL) {
// unmount all partitions
char cmd[4096];
char bsdNameStr[100];
CFStringGetCString(bsdName, bsdNameStr, sizeof(bsdNameStr), kCFStringEncodingUTF8);
sprintf(cmd, "/usr/sbin/diskutil unmountDisk /dev/%s", bsdNameStr);
system(cmd);
CFRelease(bsdName);
} else {
// no media to unmount
return;
}
}
char *getProductName(io_object_t device)
{
CFDictionaryRef devCharacteristics;
CFStringRef nameRef;
CFIndex length;
char *prodName;
devCharacteristics = IORegistryEntryCreateCFProperty(device, CFSTR(kIOPropertyDeviceCharacteristicsKey), kCFAllocatorDefault, 0);
if (CFDictionaryGetValueIfPresent(devCharacteristics, CFSTR("Product Name"), (const void **) &nameRef)) {
length = CFStringGetLength(nameRef)+1;
prodName = malloc(length);
CFStringGetCString(nameRef, prodName, length, 0);
CFRelease(nameRef);
return prodName;
} else
return NULL;
}
io_iterator_t getDVDIterator(char* ioClass)
{
io_iterator_t scsiObjectIterator = (io_iterator_t) NULL;
CFMutableDictionaryRef matchingDict = NULL;
IOReturn ioReturnValue = kIOReturnSuccess;
matchingDict = IOServiceMatching(ioClass);
if (matchingDict == (CFMutableDictionaryRef) NULL) {
return (io_iterator_t) NULL;
}
ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, matchingDict, &scsiObjectIterator);
if (scsiObjectIterator == (io_iterator_t) NULL || (ioReturnValue != kIOReturnSuccess)) {
return (io_iterator_t) NULL;
}
return scsiObjectIterator;
}
IOCFPlugInInterface **getPlugInInterface(io_object_t scsiDevice)
{
IOReturn ioReturnValue;
SInt32 score = 0;
IOCFPlugInInterface **plugInInterface = NULL;
ioReturnValue = IOCreatePlugInInterfaceForService(scsiDevice, kIOMMCDeviceUserClientTypeID, kIOCFPlugInInterfaceID,&plugInInterface, &score);
if (ioReturnValue != kIOReturnSuccess) {
return NULL;
}
return plugInInterface;
}
MMCDeviceInterface** getMMCInterface(IOCFPlugInInterface** plugInInterface)
{
MMCDeviceInterface **mmcDeviceInterface = NULL;
HRESULT pluginResult;
pluginResult = (*plugInInterface)->QueryInterface(plugInInterface,
CFUUIDGetUUIDBytes(kIOMMCDeviceInterfaceID),
(LPVOID)&mmcDeviceInterface);
if (pluginResult != KERN_SUCCESS) {
return NULL;
}
return mmcDeviceInterface;
}
char *DefaultDevice()
{
int i;
io_iterator_t scsiObjectIterator = (io_iterator_t) NULL;
io_object_t scsiDevice;
char *deviceName, *prodName;
scsiObjectIterator = getDVDIterator("IODVDServices");
for (i = 1; (scsiDevice = (io_object_t) IOIteratorNext(scsiObjectIterator)) != (io_object_t) NULL; i++) {
deviceName = g_malloc0(80);
sprintf(deviceName,"IODVDServices/%d",i);
prodName = getProductName(scsiDevice);
g_ptr_array_add(Closure->deviceNodes, g_strdup(deviceName));
g_ptr_array_add(Closure->deviceNames, g_strdup(prodName));
g_free(deviceName);
}
IOObjectRelease(scsiObjectIterator);
scsiObjectIterator = getDVDIterator("IOCompactDiscServices");
for (i = 1; (scsiDevice = IOIteratorNext(scsiObjectIterator)) != (io_object_t) NULL; i++) {
deviceName = g_malloc0(80);
sprintf(deviceName,"IOCompactDiscServices/%d",i);
g_ptr_array_add(Closure->deviceNodes, g_strdup(deviceName));
g_ptr_array_add(Closure->deviceNames, g_strdup(deviceName));
g_free(deviceName);
}
if(Closure->deviceNodes->len)
return g_strdup(g_ptr_array_index(Closure->deviceNodes, 0));
else { PrintLog(_("No CD/DVD drives found."));
return NULL;
}
}
DeviceHandle* OpenDevice(char *device)
{
DeviceHandle *dh;
io_iterator_t scsiObjectIterator;
io_object_t scsiDevice;
IOReturn ioReturnValue = kIOReturnSuccess;
int numericalId = 1, i;
char *realdevice = NULL, *tmp;
/* use a naming scheme identical to cdrtools */
realdevice = tmp = strdup(device);
tmp = strchr(tmp, '/');
if (tmp != NULL) {
*tmp++ = '\0';
numericalId = atoi(tmp);
}
dh = g_malloc0(sizeof(DeviceHandle));
scsiObjectIterator = getDVDIterator(realdevice);
if (scsiObjectIterator == (io_iterator_t) NULL) {
g_free(dh);
Stop("Could not get SCSI-Iterator.");
return NULL;
}
/* look up handle for the selected device */
for (i = 1; (scsiDevice = IOIteratorNext(scsiObjectIterator)) != (io_object_t) NULL; i++) {
if (i == numericalId) {
break;
}
}
unmountDVD(scsiDevice);
dh->plugInInterface = getPlugInInterface(scsiDevice);
if (dh->plugInInterface == NULL) {
g_free(dh);
Stop("Could not get PlugInInterface.");
return NULL;
}
dh->mmcDeviceInterface = getMMCInterface(dh->plugInInterface);
if (dh->mmcDeviceInterface == NULL) {
g_free(dh);
Stop("Could not get MMCDeviceInterface.");
return NULL;
}
(dh->scsiTaskDeviceInterface) = (*dh->mmcDeviceInterface)->GetSCSITaskDeviceInterface(dh->mmcDeviceInterface);
if (dh->scsiTaskDeviceInterface == NULL) {
g_free(dh);
Stop("Could not get SCSITaskDeviceInterface.");
return NULL;
}
ioReturnValue = (*dh->scsiTaskDeviceInterface)->ObtainExclusiveAccess(dh->scsiTaskDeviceInterface);
if (ioReturnValue != kIOReturnSuccess) {
Stop("Couldn't obtain exclusive access to drive.");
return NULL;
}
dh->taskInterface = (*dh->scsiTaskDeviceInterface)->CreateSCSITask(dh->scsiTaskDeviceInterface);
if (dh->taskInterface == NULL) {
Stop("Could not create taskInterface.");
return NULL;
}
(*dh->taskInterface)->SetTimeoutDuration(dh->taskInterface, 120*1000);
dh->device = g_strdup(device);
return dh;
}
void CloseDevice(DeviceHandle *dh)
{
if(dh->canReadDefective)
SetRawMode(dh, MODE_PAGE_UNSET);
if(dh->rawBuffer)
FreeRawBuffer(dh->rawBuffer);
if (dh->taskInterface) {
(*dh->taskInterface)->Release(dh->taskInterface);
}
if (dh->scsiTaskDeviceInterface) {
(*dh->scsiTaskDeviceInterface)->ReleaseExclusiveAccess(dh->scsiTaskDeviceInterface);
(*dh->scsiTaskDeviceInterface)->Release(dh->scsiTaskDeviceInterface);
}
if (dh->mmcDeviceInterface) {
(*dh->mmcDeviceInterface)->Release(dh->mmcDeviceInterface);
}
if(dh->plugInInterface) {
IODestroyPlugInInterface(dh->plugInInterface);
}
if(dh->range) {
g_free(dh->range);
}
if(dh->rs02Header)
g_free(dh->rs02Header);
if(dh->typeDescr)
g_free(dh->typeDescr);
if(dh->mediumDescr)
g_free(dh->mediumDescr);
if(dh->isoInfo)
FreeIsoInfo(dh->isoInfo);
if(dh->defects)
FreeBitmap(dh->defects);
g_free(dh);
}
int SendPacket(DeviceHandle *dh, unsigned char *cmd, int cdb_size, unsigned char *buf, int size, Sense *sense, int data_mode)
{
u_int32_t flags = 0;
SCSITaskInterface **taskInterface;
SCSITaskStatus taskStatus = kSCSITaskStatus_No_Status;
IOReturn ioReturnValue;
switch(data_mode) {
case DATA_READ:
flags = kSCSIDataTransfer_FromTargetToInitiator;
break;
case DATA_WRITE:
flags = kSCSIDataTransfer_FromInitiatorToTarget;
break;
case DATA_NONE:
flags = kSCSIDataTransfer_NoDataTransfer;
break;
default:
Stop("illegal data_mode: %d",data_mode);
}
taskInterface = dh->taskInterface;
if (flags == kSCSIDataTransfer_FromTargetToInitiator || flags == kSCSIDataTransfer_FromInitiatorToTarget) {
dh->range = (IOVirtualRange *) g_malloc(sizeof(IOVirtualRange));
dh->range->address = (IOVirtualAddress) buf;
dh->range->length = size;
}
ioReturnValue = (*taskInterface)->SetCommandDescriptorBlock(taskInterface, cmd, cdb_size);
if (ioReturnValue != kIOReturnSuccess) {
Stop("Couldn't set command descriptor block.");
}
if (flags == kSCSIDataTransfer_FromTargetToInitiator || flags == kSCSIDataTransfer_FromInitiatorToTarget) {
ioReturnValue = (*taskInterface)->SetScatterGatherEntries(taskInterface, dh->range, 1, size, flags);
if (ioReturnValue != kIOReturnSuccess) {
Stop("Couldn't set scatter-gather.");
}
}
ioReturnValue = (*taskInterface)->ExecuteTaskSync(taskInterface, (SCSI_Sense_Data*) sense, &taskStatus, NULL);
if (ioReturnValue != kIOReturnSuccess) {
return -1;
}
if (taskStatus != kSCSITaskStatus_GOOD) {
return -1;
}
return 0;
}
#endif
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