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Implement new virNodeAllocPages API

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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2014-09-25 17:02:49 +02:00
parent 4acfb16940
commit a03b509d1c
3 changed files with 77 additions and 0 deletions
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1
generator.py
View File

@ -465,6 +465,7 @@ skip_impl = (
'virNodeGetFreePages',
'virNetworkGetDHCPLeases',
'virDomainBlockCopy',
'virNodeAllocPages',
)
lxc_skip_impl = (

9
libvirt-override-api.xml
View File

@ -649,5 +649,14 @@
<arg name='flags' type='unsigned int' info='bitwise-OR of virDomainBlockCopyFlags'/>
<return type='int' info='0 if the operation has started, -1 on failure'/>
</function>
<function name="virNodeAllocPages" file='python'>
<info>Allocate or free some pages in the huge pages pool</info>
<arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
<arg name='pages' type='char *' info='dictionary of desired page sizes, key is page size, value is page count'/>
<arg name='startCell' type='int' info='optional first cell in the list'/>
<arg name='cellCount' type='int' info='optional number of cell in the list'/>
<arg name='flags' type='unsigned int' info='an OR&apos;ed set of virNodeAllocPagesFlags'/>
<return type='int' info='the number of nodes successfully adjusted or -1 in case of an error'/>
</function>
</symbols>
</api>

67
libvirt-override.c
View File

@ -8129,6 +8129,70 @@ libvirt_virDomainBlockCopy(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
#endif /* LIBVIR_CHECK_VERSION(1, 2, 8) */
#if LIBVIR_CHECK_VERSION(1, 2, 9)
static PyObject *
libvirt_virNodeAllocPages(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args)
{
PyObject *pyobj_conn;
PyObject *pyobj_pages;
Py_ssize_t size = 0;
Py_ssize_t pos = 0;
PyObject *key, *value;
virConnectPtr conn;
unsigned int npages = 0;
unsigned int *pageSizes = NULL;
unsigned long long *pageCounts = NULL;
int startCell = -1;
unsigned int cellCount = 1;
unsigned int flags = VIR_NODE_ALLOC_PAGES_ADD;
int c_retval;
if (!PyArg_ParseTuple(args, (char *)"OOiii:virConnectGetAllDomainStats",
&pyobj_conn, &pyobj_pages,
&startCell, &cellCount, &flags))
return NULL;
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
if ((size = PyDict_Size(pyobj_pages)) < 0)
return NULL;
if (size == 0) {
PyErr_Format(PyExc_LookupError,
"Need non-empty dictionary to pages attribute");
return NULL;
}
if (VIR_ALLOC_N(pageSizes, size) < 0 ||
VIR_ALLOC_N(pageCounts, size) < 0) {
PyErr_NoMemory();
goto error;
}
while (PyDict_Next(pyobj_pages, &pos, &key, &value)) {
if (libvirt_uintUnwrap(key, &pageSizes[npages]) < 0 ||
libvirt_ulonglongUnwrap(value, &pageCounts[npages]) < 0)
goto error;
npages++;
}
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virNodeAllocPages(conn, npages, pageSizes,
pageCounts, startCell, cellCount, flags);
LIBVIRT_END_ALLOW_THREADS;
VIR_FREE(pageSizes);
VIR_FREE(pageCounts);
return libvirt_intWrap(c_retval);
error:
VIR_FREE(pageSizes);
VIR_FREE(pageCounts);
return NULL;
}
#endif /* LIBVIR_CHECK_VERSION(1, 2, 8) */
/************************************************************************
* *
* The registration stuff *
@ -8319,6 +8383,9 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virDomainListGetStats", libvirt_virDomainListGetStats, METH_VARARGS, NULL},
{(char *) "virDomainBlockCopy", libvirt_virDomainBlockCopy, METH_VARARGS, NULL},
#endif /* LIBVIR_CHECK_VERSION(1, 2, 8) */
#if LIBVIR_CHECK_VERSION(1, 2, 9)
{(char *) "virNodeAllocPages", libvirt_virNodeAllocPages, METH_VARARGS, NULL},
#endif /* LIBVIR_CHECK_VERSION(1, 2, 9) */
{NULL, NULL, 0, NULL}
};