static int
virStorageEncryptionInfoParseCipher(xmlNodePtr info_node,
virStorageEncryptionInfoDefPtr info)
{
int ret = -1;
char *size_str = NULL;
if (!(info->cipher_name = virXMLPropString(info_node, "name"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cipher info missing 'name' attribute"));
goto cleanup;
}
if ((size_str = virXMLPropString(info_node, "size")) &&
virStrToLong_uip(size_str, NULL, 10, &info->cipher_size) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("cannot parse cipher size: '%s'"),
size_str);
goto cleanup;
}
if (!size_str) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("cipher info missing 'size' attribute"));
goto cleanup;
}
info->cipher_mode = virXMLPropString(info_node, "mode");
info->cipher_hash = virXMLPropString(info_node, "hash");
ret = 0;
cleanup:
VIR_FREE(size_str);
return ret;
}
static int
virDomainNumatuneNodeParseXML(virDomainNumaPtr numa,
xmlXPathContextPtr ctxt)
{
char *tmp = NULL;
int n = 0;
int ret = -1;
size_t i = 0;
xmlNodePtr *nodes = NULL;
if ((n = virXPathNodeSet("./numatune/memnode", ctxt, &nodes)) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Cannot extract memnode nodes"));
goto cleanup;
}
if (!n)
return 0;
if (numa->memory.specified &&
numa->memory.placement == VIR_DOMAIN_NUMATUNE_PLACEMENT_AUTO) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Per-node binding is not compatible with "
"automatic NUMA placement."));
goto cleanup;
}
if (!numa->nmem_nodes) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Element 'memnode' is invalid without "
"any guest NUMA cells"));
goto cleanup;
}
for (i = 0; i < n; i++) {
int mode = 0;
unsigned int cellid = 0;
virDomainNumaNodePtr mem_node = NULL;
xmlNodePtr cur_node = nodes[i];
tmp = virXMLPropString(cur_node, "cellid");
if (!tmp) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing required cellid attribute "
"in memnode element"));
goto cleanup;
}
if (virStrToLong_uip(tmp, NULL, 10, &cellid) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("Invalid cellid attribute in memnode element: %s"),
tmp);
goto cleanup;
}
VIR_FREE(tmp);
if (cellid >= numa->nmem_nodes) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Argument 'cellid' in memnode element must "
"correspond to existing guest's NUMA cell"));
goto cleanup;
}
mem_node = &numa->mem_nodes[cellid];
if (mem_node->nodeset) {
virReportError(VIR_ERR_XML_ERROR,
_("Multiple memnode elements with cellid %u"),
cellid);
goto cleanup;
}
tmp = virXMLPropString(cur_node, "mode");
if (!tmp) {
mem_node->mode = VIR_DOMAIN_NUMATUNE_MEM_STRICT;
} else {
if ((mode = virDomainNumatuneMemModeTypeFromString(tmp)) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Invalid mode attribute in memnode element"));
goto cleanup;
}
VIR_FREE(tmp);
mem_node->mode = mode;
}
tmp = virXMLPropString(cur_node, "nodeset");
if (!tmp) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing required nodeset attribute "
"in memnode element"));
goto cleanup;
}
if (virBitmapParse(tmp, 0, &mem_node->nodeset,
VIR_DOMAIN_CPUMASK_LEN) < 0)
goto cleanup;
if (virBitmapIsAllClear(mem_node->nodeset)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid value of 'nodeset': %s"), tmp);
goto cleanup;
}
VIR_FREE(tmp);
}
ret = 0;
cleanup:
VIR_FREE(nodes);
VIR_FREE(tmp);
return ret;
}
int
virDomainNumaDefCPUParseXML(virDomainNumaPtr def,
xmlXPathContextPtr ctxt)
{
xmlNodePtr *nodes = NULL;
xmlNodePtr oldNode = ctxt->node;
char *tmp = NULL;
int n;
size_t i;
int ret = -1;
/* check if NUMA definition is present */
if (!virXPathNode("./cpu/numa[1]", ctxt))
return 0;
if ((n = virXPathNodeSet("./cpu/numa[1]/cell", ctxt, &nodes)) <= 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("NUMA topology defined without NUMA cells"));
goto cleanup;
}
if (VIR_ALLOC_N(def->mem_nodes, n) < 0)
goto cleanup;
def->nmem_nodes = n;
for (i = 0; i < n; i++) {
size_t j;
int rc;
unsigned int cur_cell = i;
/* cells are in order of parsing or explicitly numbered */
if ((tmp = virXMLPropString(nodes[i], "id"))) {
if (virStrToLong_uip(tmp, NULL, 10, &cur_cell) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("Invalid 'id' attribute in NUMA cell: '%s'"),
tmp);
goto cleanup;
}
if (cur_cell >= n) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Exactly one 'cell' element per guest "
"NUMA cell allowed, non-contiguous ranges or "
"ranges not starting from 0 are not allowed"));
goto cleanup;
}
}
VIR_FREE(tmp);
if (def->mem_nodes[cur_cell].cpumask) {
virReportError(VIR_ERR_XML_ERROR,
_("Duplicate NUMA cell info for cell id '%u'"),
cur_cell);
goto cleanup;
}
if (!(tmp = virXMLPropString(nodes[i], "cpus"))) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing 'cpus' attribute in NUMA cell"));
goto cleanup;
}
if (virBitmapParse(tmp, 0, &def->mem_nodes[cur_cell].cpumask,
VIR_DOMAIN_CPUMASK_LEN) < 0)
goto cleanup;
if (virBitmapIsAllClear(def->mem_nodes[cur_cell].cpumask)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("NUMA cell %d has no vCPUs assigned"), cur_cell);
goto cleanup;
}
VIR_FREE(tmp);
for (j = 0; j < i; j++) {
if (virBitmapOverlaps(def->mem_nodes[j].cpumask,
def->mem_nodes[i].cpumask)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("NUMA cells %zu and %zu have overlapping vCPU ids"), i, j);
goto cleanup;
}
}
ctxt->node = nodes[i];
if (virDomainParseMemory("./@memory", "./@unit", ctxt,
&def->mem_nodes[cur_cell].mem, true, false) < 0)
goto cleanup;
if ((tmp = virXMLPropString(nodes[i], "memAccess"))) {
if ((rc = virNumaMemAccessTypeFromString(tmp)) <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid 'memAccess' attribute value '%s'"),
tmp);
goto cleanup;
}
def->mem_nodes[cur_cell].memAccess = rc;
VIR_FREE(tmp);
}
}
ret = 0;
cleanup:
ctxt->node = oldNode;
VIR_FREE(nodes);
VIR_FREE(tmp);
return ret;
}
static int
virDomainNumaDefNodeDistanceParseXML(virDomainNumaPtr def,
xmlXPathContextPtr ctxt,
unsigned int cur_cell)
{
int ret = -1;
int sibling;
char *tmp = NULL;
xmlNodePtr *nodes = NULL;
size_t i, ndistances = def->nmem_nodes;
if (ndistances == 0)
return 0;
/* check if NUMA distances definition is present */
if (!virXPathNode("./distances[1]", ctxt))
return 0;
if ((sibling = virXPathNodeSet("./distances[1]/sibling", ctxt, &nodes)) <= 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("NUMA distances defined without siblings"));
goto cleanup;
}
for (i = 0; i < sibling; i++) {
virDomainNumaDistancePtr ldist, rdist;
unsigned int sibling_id, sibling_value;
/* siblings are in order of parsing or explicitly numbered */
if (!(tmp = virXMLPropString(nodes[i], "id"))) {
virReportError(VIR_ERR_XML_ERROR,
_("Missing 'id' attribute in NUMA "
"distances under 'cell id %d'"),
cur_cell);
goto cleanup;
}
/* The "id" needs to be applicable */
if (virStrToLong_uip(tmp, NULL, 10, &sibling_id) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("Invalid 'id' attribute in NUMA "
"distances for sibling: '%s'"),
tmp);
goto cleanup;
}
VIR_FREE(tmp);
/* The "id" needs to be within numa/cell range */
if (sibling_id >= ndistances) {
virReportError(VIR_ERR_XML_ERROR,
_("'sibling_id %d' does not refer to a "
"valid cell within NUMA 'cell id %d'"),
sibling_id, cur_cell);
goto cleanup;
}
/* We need a locality value. Check and correct
* distance to local and distance to remote node.
*/
if (!(tmp = virXMLPropString(nodes[i], "value"))) {
virReportError(VIR_ERR_XML_ERROR,
_("Missing 'value' attribute in NUMA distances "
"under 'cell id %d' for 'sibling id %d'"),
cur_cell, sibling_id);
goto cleanup;
}
/* The "value" needs to be applicable */
if (virStrToLong_uip(tmp, NULL, 10, &sibling_value) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("'value %s' is invalid for "
"'sibling id %d' under NUMA 'cell id %d'"),
tmp, sibling_id, cur_cell);
goto cleanup;
}
VIR_FREE(tmp);
/* Assure LOCAL_DISTANCE <= "value" <= UNREACHABLE
* and correct LOCAL_DISTANCE setting if such applies.
*/
if ((sibling_value < LOCAL_DISTANCE ||
sibling_value > UNREACHABLE) ||
(sibling_id == cur_cell &&
sibling_value != LOCAL_DISTANCE) ||
(sibling_id != cur_cell &&
sibling_value == LOCAL_DISTANCE)) {
virReportError(VIR_ERR_XML_ERROR,
_("'value %d' is invalid for "
"'sibling id %d' under NUMA 'cell id %d'"),
sibling_value, sibling_id, cur_cell);
goto cleanup;
}
/* Apply the local / remote distance */
ldist = def->mem_nodes[cur_cell].distances;
if (!ldist) {
if (VIR_ALLOC_N(ldist, ndistances) < 0)
goto cleanup;
ldist[cur_cell].value = LOCAL_DISTANCE;
ldist[cur_cell].cellid = cur_cell;
def->mem_nodes[cur_cell].ndistances = ndistances;
def->mem_nodes[cur_cell].distances = ldist;
}
ldist[sibling_id].cellid = sibling_id;
ldist[sibling_id].value = sibling_value;
/* Apply symmetry if none given */
rdist = def->mem_nodes[sibling_id].distances;
if (!rdist) {
if (VIR_ALLOC_N(rdist, ndistances) < 0)
goto cleanup;
rdist[sibling_id].value = LOCAL_DISTANCE;
rdist[sibling_id].cellid = sibling_id;
def->mem_nodes[sibling_id].ndistances = ndistances;
def->mem_nodes[sibling_id].distances = rdist;
}
rdist[cur_cell].cellid = cur_cell;
if (!rdist[cur_cell].value)
rdist[cur_cell].value = sibling_value;
}
ret = 0;
cleanup:
if (ret < 0) {
for (i = 0; i < ndistances; i++)
VIR_FREE(def->mem_nodes[i].distances);
def->mem_nodes[i].ndistances = 0;
}
VIR_FREE(nodes);
VIR_FREE(tmp);
return ret;
}