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[libvirt] [RFC v2 01/16] qemu: add memory-backend-memfd capability check



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

Signed-off-by: Marc-André Lureau <marcandre lureau 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 a075677421..2c2f193aae 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -508,6 +508,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               /* 315 */
               "vfio-pci.display",
               "blockdev",
+              "memory-backend-memfd",
     );
 
 
@@ -1148,6 +1149,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "vhost-vsock-device", QEMU_CAPS_DEVICE_VHOST_VSOCK },
     { "mch", QEMU_CAPS_DEVICE_MCH },
     { "sev-guest", QEMU_CAPS_SEV_GUEST },
+    { "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 3d3a978759..24ce4545a4 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -492,6 +492,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     /* 315 */
     QEMU_CAPS_VFIO_PCI_DISPLAY, /* -device vfio-pci.display */
     QEMU_CAPS_BLOCKDEV, /* -blockdev and blockdev-add are supported */
+    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 3c1a704100..a1f5111fc4 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
@@ -169,6 +169,7 @@
   <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>347144</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
index 877362eaef..c246e5c94a 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
@@ -167,6 +167,7 @@
   <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>427928</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
index b8e46a970a..2e6baf42a7 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
@@ -133,6 +133,7 @@
   <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>375593</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index edf944bc35..4b410997d1 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
@@ -211,6 +211,7 @@
   <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>415790</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
index 6892c9bd64..a9967d67a3 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
@@ -167,6 +167,7 @@
   <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>446365</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
index 39cc480dd2..183ad7cc6c 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml
@@ -104,6 +104,7 @@
   <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 344740879e..f2f32e3025 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml
@@ -104,6 +104,7 @@
   <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 747f51b799..e4665af165 100644
--- a/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml
@@ -213,6 +213,7 @@
   <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>427391</microcodeVersion>
-- 
2.19.0.rc0.48.gb9dfa238d5


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