12:13 a.m.
This patch adds the Python bindings for virDomainPinVcpuFlags API.
Signed-off-by: Taku Izumi <izumi.taku(a)jp.fujitsu.com>
---
python/generator.py | 1
python/libvirt-override-api.xml | 8 ++++++
python/libvirt-override.c | 48 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 57 insertions(+)
Index: libvirt/python/libvirt-override-api.xml
===================================================================
--- libvirt.orig/python/libvirt-override-api.xml
+++ libvirt/python/libvirt-override-api.xml
@@ -174,6 +174,14 @@
<arg name='vcpu' type='unsigned int' info='virtual CPU
number'/>
<arg name='cpumap' type='unsigned char *' info='pointer to a
bit map of real CPUs (in 8-bit bytes) (IN) Each bit set to 1 means that corresponding CPU
is usable. Bytes are stored in little-endian order: CPU0-7, 8-15... In each byte, lowest
CPU number is least significant bit.'/>
</function>
+ <function name='virDomainPinVcpuFlags' file='python'>
+ <info>Dynamically change the real CPUs which can be allocated to a virtual
CPU. This function requires privileged access to the hypervisor.</info>
+ <return type='int' info='0 in case of success, -1 in case of
failure.'/>
+ <arg name='domain' type='virDomainPtr' info='pointer to
domain object, or NULL for Domain0'/>
+ <arg name='vcpu' type='unsigned int' info='virtual CPU
number'/>
+ <arg name='cpumap' type='unsigned char *' info='pointer to a
bit map of real CPUs (in 8-bit bytes) (IN) Each bit set to 1 means that corresponding CPU
is usable. Bytes are stored in little-endian order: CPU0-7, 8-15... In each byte, lowest
CPU number is least significant bit.'/>
+ <arg name='flags' type='int' info='flags to
specify'/>
+ </function>
<function name='virDomainSetSchedulerParameters'
file='python'>
<info>Change the scheduler parameters</info>
<return type='int' info='-1 in case of error, 0 in case of
success.'/>
Index: libvirt/python/libvirt-override.c
===================================================================
--- libvirt.orig/python/libvirt-override.c
+++ libvirt/python/libvirt-override.c
@@ -736,6 +736,53 @@ libvirt_virDomainPinVcpu(PyObject *self
return VIR_PY_INT_SUCCESS;
}
+static PyObject *
+libvirt_virDomainPinVcpuFlags(PyObject *self ATTRIBUTE_UNUSED,
+ PyObject *args) {
+ virDomainPtr domain;
+ PyObject *pyobj_domain, *pycpumap, *truth;
+ virNodeInfo nodeinfo;
+ unsigned char *cpumap;
+ int cpumaplen, i, vcpu;
+ int flags;
+ int i_retval;
+
+ if (!PyArg_ParseTuple(args, (char *)"OiOi:virDomainPinVcpuFlags",
+ &pyobj_domain, &vcpu, &pycpumap, &flags))
+ return(NULL);
+ domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ i_retval = virNodeGetInfo(virDomainGetConnect(domain), &nodeinfo);
+ LIBVIRT_END_ALLOW_THREADS;
+ if (i_retval < 0)
+ return VIR_PY_INT_FAIL;
+
+ cpumaplen = VIR_CPU_MAPLEN(VIR_NODEINFO_MAXCPUS(nodeinfo));
+ if ((cpumap = malloc(cpumaplen)) == NULL)
+ return VIR_PY_INT_FAIL;
+ memset(cpumap, 0, cpumaplen);
+
+ truth = PyBool_FromLong(1);
+ for (i = 0 ; i < VIR_NODEINFO_MAXCPUS(nodeinfo) ; i++) {
+ PyObject *flag = PyTuple_GetItem(pycpumap, i);
+ if (flag == truth)
+ VIR_USE_CPU(cpumap, i);
+ else
+ VIR_UNUSE_CPU(cpumap, i);
+ }
+
+ LIBVIRT_BEGIN_ALLOW_THREADS;
+ i_retval = virDomainPinVcpuFlags(domain, vcpu, cpumap, cpumaplen, flags);
+ LIBVIRT_END_ALLOW_THREADS;
+ Py_DECREF(truth);
+ free(cpumap);
+
+ if (i_retval < 0)
+ return VIR_PY_INT_FAIL;
+
+ return VIR_PY_INT_SUCCESS;
+}
/************************************************************************
* *
@@ -4019,6 +4066,7 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virDomainGetMemoryParameters",
libvirt_virDomainGetMemoryParameters, METH_VARARGS, NULL},
{(char *) "virDomainGetVcpus", libvirt_virDomainGetVcpus, METH_VARARGS,
NULL},
{(char *) "virDomainPinVcpu", libvirt_virDomainPinVcpu, METH_VARARGS,
NULL},
+ {(char *) "virDomainPinVcpuFlags", libvirt_virDomainPinVcpuFlags,
METH_VARARGS, NULL},
{(char *) "virConnectListStoragePools", libvirt_virConnectListStoragePools,
METH_VARARGS, NULL},
{(char *) "virConnectListDefinedStoragePools",
libvirt_virConnectListDefinedStoragePools, METH_VARARGS, NULL},
{(char *) "virStoragePoolGetAutostart", libvirt_virStoragePoolGetAutostart,
METH_VARARGS, NULL},
Index: libvirt/python/generator.py
===================================================================
--- libvirt.orig/python/generator.py
+++ libvirt/python/generator.py
@@ -343,6 +343,7 @@ skip_impl = (
'virDomainGetMemoryParameters',
'virDomainGetVcpus',
'virDomainPinVcpu',
+ 'virDomainPinVcpuFlags',
'virSecretGetValue',
'virSecretSetValue',
'virSecretGetUUID',