2:47 a.m.
support changes of disks by VIR_DOMAIN_DEVICE_MODIFY_CONFIG
for qemu.
This patch includes patches for Attach/Detach.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)jp.fujitsu.com>
* /src/conf/domain_conf.c
(virDomainDiskIndexByName): returns array index of disk in vmdef.
(virDomainDiskRemoveByName): removes a disk which has the name.
* src/qemu/qemu_driver.c
(qemudDomainAttachDeviceConfig): add support for Disks.
(qemudDomainDetachDeviceConfig): add support for Disks.
---
src/conf/domain_conf.c | 22 ++++++++++++++++++++++
src/conf/domain_conf.h | 2 ++
src/libvirt_private.syms | 2 ++
src/qemu/qemu_driver.c | 36 ++++++++++++++++++++++++++++++++++--
4 files changed, 60 insertions(+), 2 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index bb8f0a4..43e9330 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5007,6 +5007,19 @@ virVirtualPortProfileFormat(virBufferPtr buf,
virBufferVSprintf(buf, "%s</virtualport>\n", indent);
}
+int virDomainDiskIndexByName(virDomainDefPtr def, const char *name)
+{
+ virDomainDiskDefPtr vdisk;
+ int i;
+
+ for (i = 0; i < def->ndisks; i++) {
+ vdisk = def->disks[i];
+ if (STREQ(vdisk->dst, name))
+ return i;
+ }
+ return -1;
+}
+
int virDomainDiskInsert(virDomainDefPtr def,
virDomainDiskDefPtr disk)
{
@@ -5078,6 +5091,15 @@ void virDomainDiskRemove(virDomainDefPtr def, size_t i)
}
}
+int virDomainDiskRemoveByName(virDomainDefPtr def, const char *name)
+{
+ int i = virDomainDiskIndexByName(def, name);
+ if (i < 0)
+ return -1;
+ virDomainDiskRemove(def, i);
+ return 0;
+}
+
int virDomainControllerInsert(virDomainDefPtr def,
virDomainControllerDefPtr controller)
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index ddf111a..1dadf98 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1329,6 +1329,7 @@ int virDomainVcpupinAdd(virDomainDefPtr def,
int maplen,
int vcpu);
+int virDomainDiskIndexByName(virDomainDefPtr def, const char *name);
int virDomainDiskInsert(virDomainDefPtr def,
virDomainDiskDefPtr disk);
void virDomainDiskInsertPreAlloced(virDomainDefPtr def,
@@ -1336,6 +1337,7 @@ void virDomainDiskInsertPreAlloced(virDomainDefPtr def,
int virDomainDiskDefAssignAddress(virCapsPtr caps, virDomainDiskDefPtr def);
void virDomainDiskRemove(virDomainDefPtr def, size_t i);
+int virDomainDiskRemoveByName(virDomainDefPtr def, const char *name);
int virDomainControllerInsert(virDomainDefPtr def,
virDomainControllerDefPtr controller);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index f732431..c469259 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -246,11 +246,13 @@ virDomainDiskDefFree;
virDomainDiskDeviceTypeToString;
virDomainDiskErrorPolicyTypeFromString;
virDomainDiskErrorPolicyTypeToString;
+virDomainDiskIndexByName;
virDomainDiskInsert;
virDomainDiskInsertPreAlloced;
virDomainDiskIoTypeFromString;
virDomainDiskIoTypeToString;
virDomainDiskRemove;
+virDomainDiskRemoveByName;
virDomainDiskTypeFromString;
virDomainDiskTypeToString;
virDomainFSDefFree;
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 4ac8f7e..92643ef 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -4060,10 +4060,32 @@ static int qemudDomainUpdateDeviceLive(virDomainObjPtr vm,
}
static int
-qemudDomainAttachDeviceConfig(virDomainDefPtr vmdef ATTRIBUTE_UNUSED,
+qemudDomainAttachDeviceConfig(virDomainDefPtr vmdef,
virDomainDeviceDefPtr dev)
{
+ virDomainDiskDefPtr disk;
+
switch (dev->type) {
+ case VIR_DOMAIN_DEVICE_DISK:
+ disk = dev->data.disk;
+ if (virDomainDiskIndexByName(vmdef, disk->dst) >= 0) {
+ qemuReportError(VIR_ERR_INVALID_ARG,
+ _("target %s already exists."), disk->dst);
+ return -1;
+ }
+ if (virDomainDiskInsert(vmdef, disk)) {
+ virReportOOMError();
+ return -1;
+ }
+ /* vmdef has the pointer. Generic codes for vmdef will do all jobs */
+ dev->data.disk = NULL;
+ if (disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO)
+ if (virDomainDefAddImplicitControllers(vmdef) < 0)
+ return -1;
+ if (qemuDomainAssignPCIAddresses(vmdef) < 0)
+ return -1;
+ break;
+
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("persistent update of device is not supported"));
@@ -4074,10 +4096,20 @@ qemudDomainAttachDeviceConfig(virDomainDefPtr vmdef
ATTRIBUTE_UNUSED,
static int
-qemudDomainDetachDeviceConfig(virDomainDefPtr vmdef ATTRIBUTE_UNUSED,
+qemudDomainDetachDeviceConfig(virDomainDefPtr vmdef,
virDomainDeviceDefPtr dev)
{
+ virDomainDiskDefPtr disk;
+
switch (dev->type) {
+ case VIR_DOMAIN_DEVICE_DISK:
+ disk = dev->data.disk;
+ if (virDomainDiskRemoveByName(vmdef, disk->dst)) {
+ qemuReportError(VIR_ERR_INVALID_ARG,
+ _("no target device %s"), disk->dst);
+ return -1;
+ }
+ break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("persistent update of device is not supported"));
--
1.7.4.1