[libvirt] [PATCH v3 1/3] qemu: add memory-backend-memfd capability check

marcandre.lureau at redhat.com marcandre.lureau at redhat.com
Thu Nov 15 11:55:51 UTC 2018 

From: Marc-André Lureau <marcandre.lureau at redhat.com>

Check availability of "-object memory-backend-memfd".

Reviewed-by: John Ferlan <jferlan at redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau at redhat.com>
Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_capabilities.c                       | 2 ++
 src/qemu/qemu_capabilities.h                       | 1 +
 tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml | 1 +
 tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml   | 1 +
 tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml   | 1 +
 tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml  | 1 +
 tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml    | 1 +
 tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml  | 1 +
 tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml  | 1 +
 tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml   | 1 +
 10 files changed, 11 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 2ca5af3297..5d15e6d3fb 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -509,6 +509,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "vfio-pci.display",
               "blockdev",
               "vfio-ap",
+              "memory-backend-memfd",
     );
 
 
@@ -1094,6 +1095,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "mch", QEMU_CAPS_DEVICE_MCH },
     { "sev-guest", QEMU_CAPS_SEV_GUEST },
     { "vfio-ap", QEMU_CAPS_DEVICE_VFIO_AP },
+    { "memory-backend-memfd", QEMU_CAPS_OBJECT_MEMORY_MEMFD },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 6bb9a2c8f0..a14aa0b7fc 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -493,6 +493,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_VFIO_PCI_DISPLAY, /* -device vfio-pci.display */
     QEMU_CAPS_BLOCKDEV, /* -blockdev and blockdev-add are supported */
     QEMU_CAPS_DEVICE_VFIO_AP, /* -device vfio-ap */
+    QEMU_CAPS_OBJECT_MEMORY_MEMFD, /* -object memory-backend-memfd */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
index 7bf1fab8cb..20b683aad9 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
@@ -162,6 +162,7 @@
   <flag name='tpm-emulator'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>344910</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
index 8b8d8859c1..3a63c369a4 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
@@ -160,6 +160,7 @@
   <flag name='machine.pseries.cap-htm'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>425694</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
index 79320d5229..f8f4266d50 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
@@ -128,6 +128,7 @@
   <flag name='tpm-emulator'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>2012000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>374287</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index fcf94ab720..e53f7621c0 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
@@ -203,6 +203,7 @@
   <flag name='sev-guest'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>413556</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
index a1e2ae6556..93b04260da 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
@@ -160,6 +160,7 @@
   <flag name='machine.pseries.cap-htm'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>2012050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>444131</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
index 254a4cf3d8..57096e735e 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
@@ -100,6 +100,7 @@
   <flag name='chardev-fd-pass'/>
   <flag name='tpm-emulator'/>
   <flag name='egl-headless'/>
+  <flag name='memory-backend-memfd'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
index e7ab79e006..e88c69b2c7 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
@@ -100,6 +100,7 @@
   <flag name='chardev-fd-pass'/>
   <flag name='tpm-emulator'/>
   <flag name='egl-headless'/>
+  <flag name='memory-backend-memfd'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
index 7ceea6b738..689135a41c 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
@@ -205,6 +205,7 @@
   <flag name='usb-storage.werror'/>
   <flag name='egl-headless'/>
   <flag name='vfio-pci.display'/>
+  <flag name='memory-backend-memfd'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>425157</microcodeVersion>
-- 
2.19.1.708.g4ede3d42df

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