[libvirt] [dbus PATCH 5/6] Implement PinVcpu method for Domain Interface

Katerina Koukiou kkoukiou at redhat.com
Fri Apr 27 09:00:54 UTC 2018


Signed-off-by: Katerina Koukiou <kkoukiou at redhat.com>
---
 data/org.libvirt.Domain.xml |  7 +++++++
 src/domain.c                | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/data/org.libvirt.Domain.xml b/data/org.libvirt.Domain.xml
index 725aadc..00b4988 100644
--- a/data/org.libvirt.Domain.xml
+++ b/data/org.libvirt.Domain.xml
@@ -395,6 +395,13 @@
       <arg name="cpumap" type="ab" direction="in"/>
       <arg name="flags" type="u" direction="in"/>
     </method>
+    <method name="PinVcpu">
+      <annotation name="org.gtk.GDBus.DocString"
+        value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainPinVcpuFlags"/>
+      <arg name="vcpu" type="u" direction="in"/>
+      <arg name="cpumap" type="ab" direction="in"/>
+      <arg name="flags" type="u" direction="in"/>
+    </method>
     <method name="Reboot">
       <annotation name="org.gtk.GDBus.DocString"
         value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainReboot"/>
diff --git a/src/domain.c b/src/domain.c
index eff4e34..5772e7e 100644
--- a/src/domain.c
+++ b/src/domain.c
@@ -2145,6 +2145,46 @@ virtDBusDomainPinIOThread(GVariant *inArgs,
         virtDBusUtilSetLastVirtError(error);
 }
 
+static void
+virtDBusDomainPinVcpu(GVariant *inArgs,
+                      GUnixFDList *inFDs G_GNUC_UNUSED,
+                      const gchar *objectPath,
+                      gpointer userData,
+                      GVariant **outArgs G_GNUC_UNUSED,
+                      GUnixFDList **outFDs G_GNUC_UNUSED,
+                      GError **error)
+
+{
+    virtDBusConnect *connect = userData;
+    g_autoptr(virDomain) domain = NULL;
+    guint vcpu;
+    g_autoptr(GVariantIter) iter = NULL;
+    guint flags;
+    guint cpus;
+    guint cpumaplen;
+    g_autofree guchar *cpumap = NULL;
+    gboolean usable;
+    guint cnt = 0;
+
+    g_variant_get(inArgs, "(uabu)", &vcpu, &iter, &flags);
+
+    domain = virtDBusDomainGetVirDomain(connect, objectPath, error);
+    if (!domain)
+        return;
+
+    cpus = g_variant_iter_n_children(iter);
+    cpumaplen = VIR_CPU_MAPLEN(cpus);
+    cpumap = g_new0(guchar, cpumaplen);
+    while (g_variant_iter_loop(iter, "b", &usable)) {
+        if (usable)
+            VIR_USE_CPU(cpumap, cnt);
+        cnt++;
+    }
+
+    if (virDomainPinVcpuFlags(domain, vcpu, cpumap, cpumaplen, flags) < 0)
+        virtDBusUtilSetLastVirtError(error);
+}
+
 static void
 virtDBusDomainReboot(GVariant *inArgs,
                      GUnixFDList *inFDs G_GNUC_UNUSED,
@@ -2878,6 +2918,7 @@ static virtDBusGDBusMethodTable virtDBusDomainMethodTable[] = {
     { "MigrateStartPostCopy", virtDBusDomainMigrateStartPostCopy },
     { "PinEmulator", virtDBusDomainPinEmulator },
     { "PinIOThread", virtDBusDomainPinIOThread },
+    { "PinVcpu", virtDBusDomainPinVcpu },
     { "Reboot", virtDBusDomainReboot },
     { "Rename", virtDBusDomainRename },
     { "Reset", virtDBusDomainReset },
-- 
2.15.0




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