5:28 p.m.
I'm about to add a second virDomainDeviceDef to this function that
will point to the actual device in the domain object. while this is
just a partially filled-in example of what to look for. Naming it
match will make the code easier to follow.
Signed-off-by: Laine Stump <laine(a)laine.org>
---
src/qemu/qemu_hotplug.c | 54 +++++++++++++++++++++++++----------------
src/qemu/qemu_hotplug.h | 2 +-
2 files changed, 34 insertions(+), 22 deletions(-)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 2d13fca871..903a0c46eb 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -6205,52 +6205,64 @@ qemuDomainDetachLease(virQEMUDriverPtr driver,
int
qemuDomainDetachDeviceLive(virDomainObjPtr vm,
- virDomainDeviceDefPtr dev,
+ virDomainDeviceDefPtr match,
virQEMUDriverPtr driver,
bool async)
{
int ret = -1;
- switch ((virDomainDeviceType)dev->type) {
+ switch ((virDomainDeviceType)match->type) {
+ /*
+ * lease and chr devices don't follow the standard pattern of
+ * the others, so they must have their own self-contained
+ * Detach functions.
+ */
+ case VIR_DOMAIN_DEVICE_LEASE:
+ return qemuDomainDetachLease(driver, vm, match->data.lease);
+
+ case VIR_DOMAIN_DEVICE_CHR:
+ return qemuDomainDetachChrDevice(driver, vm, match->data.chr, async);
+
+ /*
+ * All the other device types follow a very similar pattern -
+ * First we call type-specific functions to 1) locate the device
+ * we want to detach (based on the prototype device in match)
+ * and 2) do any device-type-specific validation to assure it
+ * is okay to detach the device.
+ */
case VIR_DOMAIN_DEVICE_DISK:
- ret = qemuDomainDetachDeviceDiskLive(driver, vm, dev, async);
+ ret = qemuDomainDetachDeviceDiskLive(driver, vm, match, async);
break;
case VIR_DOMAIN_DEVICE_CONTROLLER:
- ret = qemuDomainDetachControllerDevice(driver, vm, dev, async);
- break;
- case VIR_DOMAIN_DEVICE_LEASE:
- ret = qemuDomainDetachLease(driver, vm, dev->data.lease);
+ ret = qemuDomainDetachControllerDevice(driver, vm, match, async);
break;
case VIR_DOMAIN_DEVICE_NET:
- ret = qemuDomainDetachNetDevice(driver, vm, dev, async);
+ ret = qemuDomainDetachNetDevice(driver, vm, match, async);
break;
case VIR_DOMAIN_DEVICE_HOSTDEV:
- ret = qemuDomainDetachHostDevice(driver, vm, dev, async);
- break;
- case VIR_DOMAIN_DEVICE_CHR:
- ret = qemuDomainDetachChrDevice(driver, vm, dev->data.chr, async);
+ ret = qemuDomainDetachHostDevice(driver, vm, match, async);
break;
case VIR_DOMAIN_DEVICE_RNG:
- ret = qemuDomainDetachRNGDevice(driver, vm, dev->data.rng, async);
+ ret = qemuDomainDetachRNGDevice(driver, vm, match->data.rng, async);
break;
case VIR_DOMAIN_DEVICE_MEMORY:
- ret = qemuDomainDetachMemoryDevice(driver, vm, dev->data.memory, async);
+ ret = qemuDomainDetachMemoryDevice(driver, vm, match->data.memory, async);
break;
case VIR_DOMAIN_DEVICE_SHMEM:
- ret = qemuDomainDetachShmemDevice(driver, vm, dev->data.shmem, async);
+ ret = qemuDomainDetachShmemDevice(driver, vm, match->data.shmem, async);
break;
case VIR_DOMAIN_DEVICE_WATCHDOG:
- ret = qemuDomainDetachWatchdog(driver, vm, dev->data.watchdog, async);
+ ret = qemuDomainDetachWatchdog(driver, vm, match->data.watchdog, async);
break;
case VIR_DOMAIN_DEVICE_INPUT:
- ret = qemuDomainDetachInputDevice(vm, dev->data.input, async);
+ ret = qemuDomainDetachInputDevice(vm, match->data.input, async);
break;
case VIR_DOMAIN_DEVICE_REDIRDEV:
- ret = qemuDomainDetachRedirdevDevice(driver, vm, dev->data.redirdev, async);
+ ret = qemuDomainDetachRedirdevDevice(driver, vm, match->data.redirdev,
async);
break;
case VIR_DOMAIN_DEVICE_VSOCK:
- ret = qemuDomainDetachVsockDevice(vm, dev->data.vsock, async);
+ ret = qemuDomainDetachVsockDevice(vm, match->data.vsock, async);
break;
case VIR_DOMAIN_DEVICE_FS:
@@ -6268,8 +6280,8 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm,
case VIR_DOMAIN_DEVICE_LAST:
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("live detach of device '%s' is not
supported"),
- virDomainDeviceTypeToString(dev->type));
- break;
+ virDomainDeviceTypeToString(match->type));
+ return -1;
}
return ret;
diff --git a/src/qemu/qemu_hotplug.h b/src/qemu/qemu_hotplug.h
index 9980c2a756..78aa4e991b 100644
--- a/src/qemu/qemu_hotplug.h
+++ b/src/qemu/qemu_hotplug.h
@@ -115,7 +115,7 @@ int qemuDomainAttachRNGDevice(virQEMUDriverPtr driver,
virDomainRNGDefPtr rng);
int qemuDomainDetachDeviceLive(virDomainObjPtr vm,
- virDomainDeviceDefPtr dev,
+ virDomainDeviceDefPtr match,
virQEMUDriverPtr driver,
bool async);
--
2.20.1