[PATCH v3 3/4] qemu: add support for -device pvpanic

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Signed-off-by: Hu Tao <hutao@xxxxxxxxxxxxxx>
---
 src/qemu/qemu_capabilities.c                  |  3 +++
 src/qemu/qemu_capabilities.h                  |  2 ++
 src/qemu/qemu_command.c                       | 16 ++++++++++++++++
 tests/qemucapabilitiesdata/caps_1.5.3-1.caps  |  1 +
 tests/qemucapabilitiesdata/caps_1.6.0-1.caps  |  1 +
 tests/qemucapabilitiesdata/caps_1.6.50-1.caps |  1 +
 6 files changed, 24 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 548b988..b532dbb 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -243,6 +243,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "virtio-mmio",
               "ich9-intel-hda",
               "kvm-pit-lost-tick-policy",
+
+              "pvpanic", /* 160 */
     );
 
 struct _virQEMUCaps {
@@ -1394,6 +1396,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "usb-storage", QEMU_CAPS_DEVICE_USB_STORAGE },
     { "virtio-mmio", QEMU_CAPS_DEVICE_VIRTIO_MMIO },
     { "ich9-intel-hda", QEMU_CAPS_DEVICE_ICH9_INTEL_HDA },
+    { "pvpanic", QEMU_CAPS_DEVICE_PANIC },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 02d47c6..1aedbf9 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -199,6 +199,8 @@ enum virQEMUCapsFlags {
     QEMU_CAPS_DEVICE_ICH9_INTEL_HDA = 158, /* -device ich9-intel-hda */
     QEMU_CAPS_KVM_PIT_TICK_POLICY = 159, /* kvm-pit.lost_tick_policy */
 
+    QEMU_CAPS_DEVICE_PANIC       = 160, /* -device pvpanic */
+
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 };
 
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 763417f..8487356 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -9588,6 +9588,22 @@ qemuBuildCommandLine(virConnectPtr conn,
         goto error;
     }
 
+    if (def->panic) {
+        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PANIC)) {
+            if (def->panic->info.addr.isa.iobase > 0) {
+                virCommandAddArg(cmd, "-device");
+                virCommandAddArgFormat(cmd, "pvpanic,ioport=%d",
+                                       def->panic->info.addr.isa.iobase);
+            } else {
+                virCommandAddArgList(cmd, "-device", "pvpanic", NULL);
+            }
+        } else {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("your QEMU is too old to support pvpanic"));
+            goto error;
+        }
+    }
+
     if (mlock) {
         unsigned long long memKB;
 
diff --git a/tests/qemucapabilitiesdata/caps_1.5.3-1.caps b/tests/qemucapabilitiesdata/caps_1.5.3-1.caps
index 09cf657..1c84ce2 100644
--- a/tests/qemucapabilitiesdata/caps_1.5.3-1.caps
+++ b/tests/qemucapabilitiesdata/caps_1.5.3-1.caps
@@ -131,4 +131,5 @@
     <flag name='usb-storage.removable'/>
     <flag name='ich9-intel-hda'/>
     <flag name='kvm-pit-lost-tick-policy'/>
+    <flag name='pvpanic'/>
   </qemuCaps>
diff --git a/tests/qemucapabilitiesdata/caps_1.6.0-1.caps b/tests/qemucapabilitiesdata/caps_1.6.0-1.caps
index 33ee73b..3b1b456 100644
--- a/tests/qemucapabilitiesdata/caps_1.6.0-1.caps
+++ b/tests/qemucapabilitiesdata/caps_1.6.0-1.caps
@@ -135,4 +135,5 @@
     <flag name='virtio-mmio'/>
     <flag name='ich9-intel-hda'/>
     <flag name='kvm-pit-lost-tick-policy'/>
+    <flag name='pvpanic'/>
   </qemuCaps>
diff --git a/tests/qemucapabilitiesdata/caps_1.6.50-1.caps b/tests/qemucapabilitiesdata/caps_1.6.50-1.caps
index a66034a..fc9e034 100644
--- a/tests/qemucapabilitiesdata/caps_1.6.50-1.caps
+++ b/tests/qemucapabilitiesdata/caps_1.6.50-1.caps
@@ -134,4 +134,5 @@
     <flag name='virtio-mmio'/>
     <flag name='ich9-intel-hda'/>
     <flag name='kvm-pit-lost-tick-policy'/>
+    <flag name='pvpanic'/>
   </qemuCaps>
-- 
1.7.11.7

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