qemuValidateDomainDeviceDefDisk: Separate disk frontend config validation

Agregate validation of frontend properties in a new function called
qemuValidateDomainDeviceDefDiskFrontend.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2020-05-04 17:11:05 +02:00
parent 8ddd7d840f
commit 0b786e75b6

View File

@ -1897,40 +1897,9 @@ qemuValidateDomainDeviceDefVideo(const virDomainVideoDef *video,
}
int
qemuValidateDomainDeviceDefDisk(const virDomainDiskDef *disk,
virQEMUCapsPtr qemuCaps)
static int
qemuValidateDomainDeviceDefDiskFrontend(const virDomainDiskDef *disk)
{
const char *driverName = virDomainDiskGetDriver(disk);
virStorageSourcePtr n;
int idx;
int partition;
if (disk->src->shared && !disk->src->readonly &&
!qemuBlockStorageSourceSupportsConcurrentAccess(disk->src)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("shared access for disk '%s' requires use of "
"supported storage format"), disk->dst);
return -1;
}
if (disk->copy_on_read == VIR_TRISTATE_SWITCH_ON) {
if (disk->src->readonly) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("copy_on_read is not compatible with read-only disk '%s'"),
disk->dst);
return -1;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ||
disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("copy_on_read is not supported with removable disk '%s'"),
disk->dst);
return -1;
}
}
if (disk->geometry.cylinders > 0 &&
disk->geometry.heads > 0 &&
disk->geometry.sectors > 0) {
@ -1958,13 +1927,6 @@ qemuValidateDomainDeviceDefDisk(const virDomainDiskDef *disk,
return -1;
}
if (driverName && STRNEQ(driverName, "qemu")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported driver name '%s' for disk '%s'"),
driverName, disk->dst);
return -1;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@ -1973,6 +1935,54 @@ qemuValidateDomainDeviceDefDisk(const virDomainDiskDef *disk,
return -1;
}
if (disk->copy_on_read == VIR_TRISTATE_SWITCH_ON) {
if (disk->src->readonly) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("copy_on_read is not compatible with read-only disk '%s'"),
disk->dst);
return -1;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM ||
disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("copy_on_read is not supported with removable disk '%s'"),
disk->dst);
return -1;
}
}
return 0;
}
int
qemuValidateDomainDeviceDefDisk(const virDomainDiskDef *disk,
virQEMUCapsPtr qemuCaps)
{
const char *driverName = virDomainDiskGetDriver(disk);
virStorageSourcePtr n;
int idx;
int partition;
if (qemuValidateDomainDeviceDefDiskFrontend(disk) < 0)
return -1;
if (disk->src->shared && !disk->src->readonly &&
!qemuBlockStorageSourceSupportsConcurrentAccess(disk->src)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("shared access for disk '%s' requires use of "
"supported storage format"), disk->dst);
return -1;
}
if (driverName && STRNEQ(driverName, "qemu")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported driver name '%s' for disk '%s'"),
driverName, disk->dst);
return -1;
}
if (virDiskNameParse(disk->dst, &idx, &partition) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid disk target '%s'"), disk->dst);