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[libvirt] [PATCH v8 07/14] conf: use virXMLFormatElement() in virDomainDeviceInfoFormat()



In order to add zPCI child element for PCI address, we update
virDomainDeviceInfoFormat() to format device info by helper function
virXMLFormatElement(). Then we could simply format zPCI address into
child buffer later.

Signed-off-by: Yi Min Zhao <zyimin linux ibm com>
Reviewed-by: Boris Fiuczynski <fiuczy linux ibm com>
Reviewed-by: Andrea Bolognani <abologna redhat com>
---
 src/conf/domain_conf.c | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 237540bccc..3e89659d3e 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6428,6 +6428,8 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
                           virDomainDeviceInfoPtr info,
                           unsigned int flags)
 {
+    virBuffer attrBuf = VIR_BUFFER_INITIALIZER;
+
     if ((flags & VIR_DOMAIN_DEF_FORMAT_ALLOW_BOOT) && info->bootIndex) {
         virBufferAsprintf(buf, "<boot order='%u'", info->bootIndex);
 
@@ -6472,13 +6474,13 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
         info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
         return;
 
-    virBufferAsprintf(buf, "<address type='%s'",
+    virBufferAsprintf(&attrBuf, " type='%s'",
                       virDomainDeviceAddressTypeToString(info->type));
 
     switch ((virDomainDeviceAddressType) info->type) {
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI:
         if (!virPCIDeviceAddressIsEmpty(&info->addr.pci)) {
-            virBufferAsprintf(buf, " domain='0x%.4x' bus='0x%.2x' "
+            virBufferAsprintf(&attrBuf, " domain='0x%.4x' bus='0x%.2x' "
                               "slot='0x%.2x' function='0x%.1x'",
                               info->addr.pci.domain,
                               info->addr.pci.bus,
@@ -6486,13 +6488,13 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
                               info->addr.pci.function);
         }
         if (info->addr.pci.multi) {
-           virBufferAsprintf(buf, " multifunction='%s'",
-                             virTristateSwitchTypeToString(info->addr.pci.multi));
+            virBufferAsprintf(&attrBuf, " multifunction='%s'",
+                              virTristateSwitchTypeToString(info->addr.pci.multi));
         }
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE:
-        virBufferAsprintf(buf, " controller='%d' bus='%d' target='%d' unit='%d'",
+        virBufferAsprintf(&attrBuf, " controller='%d' bus='%d' target='%d' unit='%d'",
                           info->addr.drive.controller,
                           info->addr.drive.bus,
                           info->addr.drive.target,
@@ -6500,34 +6502,34 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL:
-        virBufferAsprintf(buf, " controller='%d' bus='%d' port='%d'",
+        virBufferAsprintf(&attrBuf, " controller='%d' bus='%d' port='%d'",
                           info->addr.vioserial.controller,
                           info->addr.vioserial.bus,
                           info->addr.vioserial.port);
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCID:
-        virBufferAsprintf(buf, " controller='%d' slot='%d'",
+        virBufferAsprintf(&attrBuf, " controller='%d' slot='%d'",
                           info->addr.ccid.controller,
                           info->addr.ccid.slot);
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB:
-        virBufferAsprintf(buf, " bus='%d'", info->addr.usb.bus);
+        virBufferAsprintf(&attrBuf, " bus='%d'", info->addr.usb.bus);
         if (virDomainUSBAddressPortIsValid(info->addr.usb.port)) {
-            virBufferAddLit(buf, " port='");
-            virDomainUSBAddressPortFormatBuf(buf, info->addr.usb.port);
-            virBufferAddLit(buf, "'");
+            virBufferAddLit(&attrBuf, " port='");
+            virDomainUSBAddressPortFormatBuf(&attrBuf, info->addr.usb.port);
+            virBufferAddLit(&attrBuf, "'");
         }
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO:
         if (info->addr.spaprvio.has_reg)
-            virBufferAsprintf(buf, " reg='0x%llx'", info->addr.spaprvio.reg);
+            virBufferAsprintf(&attrBuf, " reg='0x%llx'", info->addr.spaprvio.reg);
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW:
-        virBufferAsprintf(buf, " cssid='0x%x' ssid='0x%x' devno='0x%04x'",
+        virBufferAsprintf(&attrBuf, " cssid='0x%x' ssid='0x%x' devno='0x%04x'",
                           info->addr.ccw.cssid,
                           info->addr.ccw.ssid,
                           info->addr.ccw.devno);
@@ -6538,15 +6540,15 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_ISA:
         if (info->addr.isa.iobase > 0)
-            virBufferAsprintf(buf, " iobase='0x%x'", info->addr.isa.iobase);
+            virBufferAsprintf(&attrBuf, " iobase='0x%x'", info->addr.isa.iobase);
         if (info->addr.isa.irq > 0)
-            virBufferAsprintf(buf, " irq='0x%x'", info->addr.isa.irq);
+            virBufferAsprintf(&attrBuf, " irq='0x%x'", info->addr.isa.irq);
         break;
 
     case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM:
-        virBufferAsprintf(buf, " slot='%u'", info->addr.dimm.slot);
+        virBufferAsprintf(&attrBuf, " slot='%u'", info->addr.dimm.slot);
         if (info->addr.dimm.base)
-            virBufferAsprintf(buf, " base='0x%llx'", info->addr.dimm.base);
+            virBufferAsprintf(&attrBuf, " base='0x%llx'", info->addr.dimm.base);
 
         break;
 
@@ -6556,7 +6558,9 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
         break;
     }
 
-    virBufferAddLit(buf, "/>\n");
+    virXMLFormatElement(buf, "address", &attrBuf, NULL);
+
+    virBufferFreeAndReset(&attrBuf);
 }
 
 static int
-- 
Yi Min


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