/* Names used before -drive supported the id= option */
static int
qemuAssignDeviceDiskAliasFixed(virDomainDiskDefPtr disk)
{
int busid, devid;
int ret;
char *dev_name;
if (virDiskNameToBusDeviceIndex(disk, &busid, &devid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot convert disk '%s' to bus/device index"),
disk->dst);
return -1;
}
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK)
ret = virAsprintf(&dev_name, "ide%d-hd%d", busid, devid);
else
ret = virAsprintf(&dev_name, "ide%d-cd%d", busid, devid);
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK)
ret = virAsprintf(&dev_name, "scsi%d-hd%d", busid, devid);
else
ret = virAsprintf(&dev_name, "scsi%d-cd%d", busid, devid);
break;
case VIR_DOMAIN_DISK_BUS_FDC:
ret = virAsprintf(&dev_name, "floppy%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
ret = virAsprintf(&dev_name, "virtio%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_XEN:
ret = virAsprintf(&dev_name, "xenblk%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_SD:
ret = virAsprintf(&dev_name, "sd%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_USB:
ret = virAsprintf(&dev_name, "usb%d", devid);
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported disk name mapping for bus '%s'"),
virDomainDiskBusTypeToString(disk->bus));
return -1;
}
if (ret == -1)
return -1;
disk->info.alias = dev_name;
return 0;
}
int
vzCheckUnsupportedDisks(virDomainDefPtr def, vzCapabilitiesPtr vzCaps)
{
size_t i, j;
virDomainDiskDefPtr disk;
virStorageFileFormat diskFormat;
for (i = 0; i < def->ndisks; i++) {
disk = def->disks[i];
if (vzCheckDiskUnsupportedParams(disk) < 0)
return -1;
if (disk->src->type == VIR_STORAGE_TYPE_FILE) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
if (IS_CT(def))
diskFormat = vzCaps->ctDiskFormat;
else
diskFormat = vzCaps->vmDiskFormat;
} else {
diskFormat = VIR_STORAGE_FILE_RAW;
}
} else {
diskFormat = VIR_STORAGE_FILE_RAW;
}
if (virDomainDiskGetFormat(disk) != VIR_STORAGE_FILE_NONE &&
virDomainDiskGetFormat(disk) != diskFormat) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported format of disk %s"),
disk->src->path);
return -1;
}
for (j = 0; vzCaps->diskBuses[j] != VIR_DOMAIN_DISK_BUS_LAST; j++) {
if (disk->bus == vzCaps->diskBuses[j])
break;
}
if (vzCaps->diskBuses[j] == VIR_DOMAIN_DISK_BUS_LAST) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported disk bus type %s"),
virDomainDiskBusTypeToString(disk->bus));
return -1;
}
}
return 0;
}
/* Our custom -drive naming scheme used with id= */
int
qemuAssignDeviceDiskAlias(virDomainDefPtr def,
virDomainDiskDefPtr disk,
virQEMUCapsPtr qemuCaps)
{
const char *prefix = virDomainDiskBusTypeToString(disk->bus);
int controllerModel = -1;
if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
controllerModel =
virDomainDeviceFindControllerModel(def, &disk->info,
VIR_DOMAIN_CONTROLLER_TYPE_SCSI);
if ((qemuDomainSetSCSIControllerModel(def, qemuCaps,
&controllerModel)) < 0)
return -1;
}
if (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI ||
controllerModel == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) {
if (virAsprintf(&disk->info.alias, "%s%d-%d-%d", prefix,
disk->info.addr.drive.controller,
disk->info.addr.drive.bus,
disk->info.addr.drive.unit) < 0)
return -1;
} else {
if (virAsprintf(&disk->info.alias, "%s%d-%d-%d-%d", prefix,
disk->info.addr.drive.controller,
disk->info.addr.drive.bus,
disk->info.addr.drive.target,
disk->info.addr.drive.unit) < 0)
return -1;
}
} else {
int idx = virDiskNameToIndex(disk->dst);
if (virAsprintf(&disk->info.alias, "%s-disk%d", prefix, idx) < 0)
return -1;
}
return 0;
}
