[libvirt] [PATCH 28/34] conf: Add helper to get pointer to a certain vCPU definition

[Peter Krempa]

Once more stuff will be moved into the vCPU data structure it will be
necessary to get a specific one in some ocasions. Add a helper that will
simplify this task.
---
 src/conf/domain_conf.c   | 15 +++++++++++++++
 src/conf/domain_conf.h   |  4 ++++
 src/libvirt_private.syms |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 66fc6d3..f4b4700 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -1520,6 +1520,21 @@ virDomainDefGetVCpus(const virDomainDef *def)
 }


+virDomainVCpuInfoPtr
+virDomainDefGetVCpu(virDomainDefPtr def,
+                    unsigned int vcpu)
+{
+    if (vcpu > def->maxvcpus) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                       _("vCPU '%u' is not present in domain definition"),
+                       vcpu);
+        return NULL;
+    }
+
+    return &def->vcpus[vcpu];
+}
+
+
 virDomainDiskDefPtr
 virDomainDiskDefNew(virDomainXMLOptionPtr xmlopt)
 {
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 68f82c6..7c9457a 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2135,6 +2135,8 @@ typedef virDomainVCpuInfo *virDomainVCpuInfoPtr;

 struct _virDomainVCpuInfo {
     bool online;
+
+    virBitmapPtr cpumask;
 };

 typedef struct _virDomainBlkiotune virDomainBlkiotune;
@@ -2338,6 +2340,8 @@ bool virDomainDefHasVCpusOffline(const virDomainDef *def);
 unsigned int virDomainDefGetVCpusMax(const virDomainDef *def);
 int virDomainDefSetVCpus(virDomainDefPtr def, unsigned int vcpus);
 unsigned int virDomainDefGetVCpus(const virDomainDef *def);
+virDomainVCpuInfoPtr virDomainDefGetVCpu(virDomainDefPtr def, unsigned int vcpu)
+    ATTRIBUTE_RETURN_CHECK;

 unsigned long long virDomainDefGetMemoryInitial(const virDomainDef *def);
 void virDomainDefSetMemoryTotal(virDomainDefPtr def, unsigned long long size);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index d2c4945..449caf6 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -217,6 +217,7 @@ virDomainDefGetDefaultEmulator;
 virDomainDefGetMemoryActual;
 virDomainDefGetMemoryInitial;
 virDomainDefGetSecurityLabelDef;
+virDomainDefGetVCpu;
 virDomainDefGetVCpus;
 virDomainDefGetVCpusMax;
 virDomainDefHasDeviceAddress;
-- 
2.6.2