libxl: default to qemu driver for network disks

Xen only supports network-based disks with the qemu (aka qdisk) driver.
Set the driverName to 'qemu' in libxlDomainDeviceDefPostParse() if
not already set. When starting a domain with network-based disks,
ensure the driverName is 'qemu'.

Resolves: https://bugzilla.opensuse.org/show_bug.cgi?id=981094
This commit is contained in:
Jim Fehlig 2016-05-23 15:56:01 -06:00
parent a09d9f5b7a
commit a1c9a81a31
2 changed files with 19 additions and 4 deletions

View File

@ -1058,13 +1058,18 @@ libxlMakeNetworkDiskSrc(virStorageSourcePtr src, char **srcstr)
int
libxlMakeDisk(virDomainDiskDefPtr l_disk, libxl_device_disk *x_disk)
{
const char *driver;
int format;
const char *driver = virDomainDiskGetDriver(l_disk);
int format = virDomainDiskGetFormat(l_disk);
int actual_type = virStorageSourceGetActualType(l_disk->src);
libxl_device_disk_init(x_disk);
if (actual_type == VIR_STORAGE_TYPE_NETWORK) {
if (STRNEQ_NULLABLE(driver, "qemu")) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("only the 'qemu' driver can be used with network disks"));
return -1;
}
if (libxlMakeNetworkDiskSrc(l_disk->src, &x_disk->pdev_path) < 0)
return -1;
} else {
@ -1075,8 +1080,6 @@ libxlMakeDisk(virDomainDiskDefPtr l_disk, libxl_device_disk *x_disk)
if (VIR_STRDUP(x_disk->vdev, l_disk->dst) < 0)
return -1;
driver = virDomainDiskGetDriver(l_disk);
format = virDomainDiskGetFormat(l_disk);
if (driver) {
if (STREQ(driver, "tap") || STREQ(driver, "tap2")) {
switch (format) {

View File

@ -364,6 +364,18 @@ libxlDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
}
}
/* for network-based disks, set 'qemu' as the default driver */
if (dev->type == VIR_DOMAIN_DEVICE_DISK) {
virDomainDiskDefPtr disk = dev->data.disk;
int actual_type = virStorageSourceGetActualType(disk->src);
if (actual_type == VIR_STORAGE_TYPE_NETWORK) {
if (!virDomainDiskGetDriver(disk) &&
virDomainDiskSetDriver(disk, "qemu") < 0)
return -1;
}
}
return 0;
}