diff options
| -rwxr-xr-x | generator.py | 2 | ||||
| -rw-r--r-- | libvirt-override-api.xml | 14 | ||||
| -rw-r--r-- | libvirt-override.c | 118 |
3 files changed, 134 insertions, 0 deletions
diff --git a/generator.py b/generator.py index d269e88..986324a 100755 --- a/generator.py +++ b/generator.py @@ -418,6 +418,8 @@ skip_impl = ( 'virDomainPinVcpu', 'virDomainPinVcpuFlags', 'virDomainGetVcpuPinInfo', + 'virDomainGetEmulatorPinInfo', + 'virDomainPinEmulator', 'virSecretGetValue', 'virSecretSetValue', 'virSecretGetUUID', diff --git a/libvirt-override-api.xml b/libvirt-override-api.xml index 2bd0e6a..155ab36 100644 --- a/libvirt-override-api.xml +++ b/libvirt-override-api.xml @@ -249,6 +249,20 @@ <arg name='domain' type='virDomainPtr' info='pointer to domain object, or NULL for Domain0'/> <arg name='flags' type='int' info='an OR'ed set of virDomainModificationImpact'/> </function> + <function name='virDomainGetEmulatorPinInfo' file='python'> + <info>Query the CPU affinity setting of the emulator process of domain</info> + <return type='char *' info='the array of cpumap'/> + <arg name='domain' type='virDomainPtr' info='pointer to domain object'/> + <arg name='flags' type='int' info='an OR'ed set of virDomainModificationImpact'/> + </function> + <function name='virDomainPinEmulator' file='python'> + <info>Dynamically change the real CPUs which can be allocated to the emulator process of a domain. + 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='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.'/> diff --git a/libvirt-override.c b/libvirt-override.c index 9637598..f6573e1 100644 --- a/libvirt-override.c +++ b/libvirt-override.c @@ -1664,6 +1664,122 @@ cleanup: return VIR_PY_NONE; } + +static PyObject * +libvirt_virDomainPinEmulator(PyObject *self ATTRIBUTE_UNUSED, + PyObject *args) +{ + virDomainPtr domain; + PyObject *pyobj_domain, *pycpumap; + unsigned char *cpumap = NULL; + int cpumaplen, i, tuple_size, cpunum; + int i_retval; + unsigned int flags; + + if (!PyArg_ParseTuple(args, (char *)"OOi:virDomainPinVcpu", + &pyobj_domain, &pycpumap, &flags)) + return NULL; + + domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain); + + if ((cpunum = getPyNodeCPUCount(virDomainGetConnect(domain))) < 0) + return VIR_PY_INT_FAIL; + + cpumaplen = VIR_CPU_MAPLEN(cpunum); + + if (!PyTuple_Check(pycpumap)) { + PyErr_SetString(PyExc_TypeError, "Unexpected type, tuple is required"); + return NULL; + } + + if ((tuple_size = PyTuple_Size(pycpumap)) == -1) + return NULL; + + if (VIR_ALLOC_N(cpumap, cpumaplen) < 0) + return PyErr_NoMemory(); + + for (i = 0; i < tuple_size; i++) { + PyObject *flag = PyTuple_GetItem(pycpumap, i); + bool b; + + if (!flag || libvirt_boolUnwrap(flag, &b) < 0) { + VIR_FREE(cpumap); + return VIR_PY_INT_FAIL; + } + + if (b) + VIR_USE_CPU(cpumap, i); + else + VIR_UNUSE_CPU(cpumap, i); + } + + for (; i < cpunum; i++) + VIR_UNUSE_CPU(cpumap, i); + + LIBVIRT_BEGIN_ALLOW_THREADS; + i_retval = virDomainPinEmulator(domain, cpumap, cpumaplen, flags); + LIBVIRT_END_ALLOW_THREADS; + + VIR_FREE(cpumap); + + if (i_retval < 0) + return VIR_PY_INT_FAIL; + + return VIR_PY_INT_SUCCESS; +} + + +static PyObject * +libvirt_virDomainGetEmulatorPinInfo(PyObject *self ATTRIBUTE_UNUSED, + PyObject *args) +{ + virDomainPtr domain; + PyObject *pyobj_domain; + PyObject *pycpumap; + unsigned char *cpumap; + size_t cpumaplen; + size_t pcpu; + unsigned int flags; + int ret; + int cpunum; + + if (!PyArg_ParseTuple(args, (char *)"Oi:virDomainEmulatorPinInfo", + &pyobj_domain, &flags)) + return NULL; + + domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain); + + if ((cpunum = getPyNodeCPUCount(virDomainGetConnect(domain))) < 0) + return VIR_PY_NONE; + + cpumaplen = VIR_CPU_MAPLEN(cpunum); + + if (VIR_ALLOC_N(cpumap, cpumaplen) < 0) + return PyErr_NoMemory(); + + LIBVIRT_BEGIN_ALLOW_THREADS; + ret = virDomainGetEmulatorPinInfo(domain, cpumap, cpumaplen, flags); + LIBVIRT_END_ALLOW_THREADS; + if (ret < 0) { + VIR_FREE(cpumap); + return VIR_PY_NONE; + } + + if (!(pycpumap = PyTuple_New(cpunum))) { + VIR_FREE(cpumap); + return NULL; + } + + for (pcpu = 0; pcpu < cpunum; pcpu++) + PyTuple_SET_ITEM(pycpumap, pcpu, + PyBool_FromLong(VIR_CPU_USABLE(cpumap, cpumaplen, + 0, pcpu))); + + VIR_FREE(cpumap); + return pycpumap; +} + + /************************************************************************ * * * Global error handler at the Python level * @@ -6705,6 +6821,8 @@ static PyMethodDef libvirtMethods[] = { {(char *) "virDomainPinVcpu", libvirt_virDomainPinVcpu, METH_VARARGS, NULL}, {(char *) "virDomainPinVcpuFlags", libvirt_virDomainPinVcpuFlags, METH_VARARGS, NULL}, {(char *) "virDomainGetVcpuPinInfo", libvirt_virDomainGetVcpuPinInfo, METH_VARARGS, NULL}, + {(char *) "virDomainGetEmulatorPinInfo", libvirt_virDomainGetEmulatorPinInfo, METH_VARARGS, NULL}, + {(char *) "virDomainPinEmulator", libvirt_virDomainPinEmulator, METH_VARARGS, NULL}, {(char *) "virConnectListStoragePools", libvirt_virConnectListStoragePools, METH_VARARGS, NULL}, {(char *) "virConnectListDefinedStoragePools", libvirt_virConnectListDefinedStoragePools, METH_VARARGS, NULL}, {(char *) "virConnectListAllStoragePools", libvirt_virConnectListAllStoragePools, METH_VARARGS, NULL}, |