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Add support for attach/detach/update hostdev devices in config for LXC

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Wire up the attach/detach/update device APIs to support changing
of hostdevs in the persistent config file

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2012-11-27 13:58:56 +00:00
parent 8cacd8b4ea
commit 986c270dac
1 changed files with 30 additions and 0 deletions
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30
src/lxc/lxc_driver.c
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@ -2928,6 +2928,7 @@ lxcDomainAttachDeviceConfig(virDomainDefPtr vmdef,
int ret = -1;
virDomainDiskDefPtr disk;
virDomainNetDefPtr net;
virDomainHostdevDefPtr hostdev;
switch (dev->type) {
case VIR_DOMAIN_DEVICE_DISK:
@ -2956,6 +2957,21 @@ lxcDomainAttachDeviceConfig(virDomainDefPtr vmdef,
ret = 0;
break;
case VIR_DOMAIN_DEVICE_HOSTDEV:
hostdev = dev->data.hostdev;
if (virDomainHostdevFind(vmdef, hostdev, NULL) >= 0) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("device is already in the domain configuration"));
return -1;
}
if (virDomainHostdevInsert(vmdef, hostdev) < 0) {
virReportOOMError();
return -1;
}
dev->data.hostdev = NULL;
ret = 0;
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("persistent attach of device is not supported"));
@ -3017,6 +3033,7 @@ lxcDomainDetachDeviceConfig(virDomainDefPtr vmdef,
int ret = -1;
virDomainDiskDefPtr disk, det_disk;
virDomainNetDefPtr net;
virDomainHostdevDefPtr hostdev, det_hostdev;
int idx;
char mac[VIR_MAC_STRING_BUFLEN];
@ -3050,6 +3067,19 @@ lxcDomainDetachDeviceConfig(virDomainDefPtr vmdef,
ret = 0;
break;
case VIR_DOMAIN_DEVICE_HOSTDEV: {
hostdev = dev->data.hostdev;
if ((idx = virDomainHostdevFind(vmdef, hostdev, &det_hostdev)) < 0) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("device not present in domain configuration"));
return -1;
}
virDomainHostdevRemove(vmdef, idx);
virDomainHostdevDefFree(det_hostdev);
ret = 0;
break;
}
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("persistent detach of device is not supported"));