7:10 a.m.
Since there's at least SRIOV and MDEV sub-capabilities to be parsed,
let's make the code more readable by splitting it to several logical
blocks.
Signed-off-by: Erik Skultety <eskultet(a)redhat.com>
---
src/conf/node_device_conf.c | 142 ++++++++++++++++++++++++++------------------
1 file changed, 83 insertions(+), 59 deletions(-)
diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c
index 85cfd8396..7aab2e03c 100644
--- a/src/conf/node_device_conf.c
+++ b/src/conf/node_device_conf.c
@@ -1286,76 +1286,102 @@ virPCIEDeviceInfoParseXML(xmlXPathContextPtr ctxt,
static int
+virNodeDevPCICapSRIOVPhysicalParseXML(xmlXPathContextPtr ctxt,
+ virNodeDevCapPCIDevPtr pci_dev)
+{
+ xmlNodePtr address = virXPathNode("./address[1]", ctxt);
+
+ if (VIR_ALLOC(pci_dev->physical_function) < 0)
+ return -1;
+
+ if (!address) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("Missing address in 'phys_function'
capability"));
+ return -1;
+ }
+
+ if (virPCIDeviceAddressParseXML(address,
+ pci_dev->physical_function) < 0)
+ return -1;
+
+ pci_dev->flags |= VIR_NODE_DEV_CAP_FLAG_PCI_PHYSICAL_FUNCTION;
+
+ return 0;
+}
+
+
+static int
+virNodeDevPCICapSRIOVVirtualParseXML(xmlXPathContextPtr ctxt,
+ virNodeDevCapPCIDevPtr pci_dev)
+{
+ int ret = -1;
+ xmlNodePtr *addresses = NULL;
+ int naddresses = virXPathNodeSet("./address", ctxt, &addresses);
+ char *maxFuncsStr = virXPathString("string(./@maxCount)", ctxt);
+ size_t i;
+
+ if (naddresses < 0)
+ goto cleanup;
+
+ if (maxFuncsStr &&
+ virStrToLong_uip(maxFuncsStr, NULL, 10,
+ &pci_dev->max_virtual_functions) < 0) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("Malformed 'maxCount' parameter"));
+ goto cleanup;
+ }
+
+ if (VIR_ALLOC_N(pci_dev->virtual_functions, naddresses) < 0)
+ goto cleanup;
+
+ for (i = 0; i < naddresses; i++) {
+ virPCIDeviceAddressPtr addr = NULL;
+
+ if (VIR_ALLOC(addr) < 0)
+ goto cleanup;
+
+ if (virPCIDeviceAddressParseXML(addresses[i], addr) < 0) {
+ VIR_FREE(addr);
+ goto cleanup;
+ }
+
+ if (VIR_APPEND_ELEMENT(pci_dev->virtual_functions,
+ pci_dev->num_virtual_functions,
+ addr) < 0)
+ goto cleanup;
+ }
+
+ pci_dev->flags |= VIR_NODE_DEV_CAP_FLAG_PCI_VIRTUAL_FUNCTION;
+ ret = 0;
+ cleanup:
+ VIR_FREE(addresses);
+ VIR_FREE(maxFuncsStr);
+ return ret;
+}
+
+
+static int
virNodeDevPCICapabilityParseXML(xmlXPathContextPtr ctxt,
xmlNodePtr node,
virNodeDevCapPCIDevPtr pci_dev)
{
- char *maxFuncsStr = virXMLPropString(node, "maxCount");
char *type = virXMLPropString(node, "type");
- xmlNodePtr *addresses = NULL;
xmlNodePtr orignode = ctxt->node;
int ret = -1;
- size_t i = 0;
ctxt->node = node;
if (!type) {
virReportError(VIR_ERR_XML_ERROR, "%s", _("Missing capability
type"));
- goto out;
+ goto cleanup;
}
- if (STREQ(type, "phys_function")) {
- xmlNodePtr address = virXPathNode("./address[1]", ctxt);
-
- if (VIR_ALLOC(pci_dev->physical_function) < 0)
- goto out;
-
- if (!address) {
- virReportError(VIR_ERR_XML_ERROR, "%s",
- _("Missing address in 'phys_function'
capability"));
- goto out;
- }
-
- if (virPCIDeviceAddressParseXML(address,
- pci_dev->physical_function) < 0)
- goto out;
-
- pci_dev->flags |= VIR_NODE_DEV_CAP_FLAG_PCI_PHYSICAL_FUNCTION;
- } else if (STREQ(type, "virt_functions")) {
- int naddresses;
-
- if ((naddresses = virXPathNodeSet("./address", ctxt, &addresses))
< 0)
- goto out;
-
- if (maxFuncsStr &&
- virStrToLong_uip(maxFuncsStr, NULL, 10,
- &pci_dev->max_virtual_functions) < 0) {
- virReportError(VIR_ERR_XML_ERROR, "%s",
- _("Malformed 'maxCount' parameter"));
- goto out;
- }
-
- if (VIR_ALLOC_N(pci_dev->virtual_functions, naddresses) < 0)
- goto out;
-
- for (i = 0; i < naddresses; i++) {
- virPCIDeviceAddressPtr addr = NULL;
-
- if (VIR_ALLOC(addr) < 0)
- goto out;
-
- if (virPCIDeviceAddressParseXML(addresses[i], addr) < 0) {
- VIR_FREE(addr);
- goto out;
- }
-
- if (VIR_APPEND_ELEMENT(pci_dev->virtual_functions,
- pci_dev->num_virtual_functions,
- addr) < 0)
- goto out;
- }
-
- pci_dev->flags |= VIR_NODE_DEV_CAP_FLAG_PCI_VIRTUAL_FUNCTION;
+ if (STREQ(type, "phys_function") &&
+ virNodeDevPCICapSRIOVPhysicalParseXML(ctxt, pci_dev) < 0) {
+ goto cleanup;
+ } else if (STREQ(type, "virt_functions") &&
+ virNodeDevPCICapSRIOVVirtualParseXML(ctxt, pci_dev) < 0) {
+ goto cleanup;
} else {
int hdrType = virPCIHeaderTypeFromString(type);
@@ -1364,9 +1390,7 @@ virNodeDevPCICapabilityParseXML(xmlXPathContextPtr ctxt,
}
ret = 0;
- out:
- VIR_FREE(addresses);
- VIR_FREE(maxFuncsStr);
+ cleanup:
VIR_FREE(type);
ctxt->node = orignode;
return ret;
--
2.13.0