11:24 a.m.
Since QEMU 2.10, it's possible to use a new type of display -
egl-headless which uses drm nodes to provide OpenGL support. This patch
adds a capability for that. However, since QEMU doesn't provide a QMP
command to probe it, this is only a libvirt version-based capability.
Signed-off-by: Erik Skultety <eskultet(a)redhat.com>
---
src/qemu/qemu_capabilities.c | 6 ++++++
src/qemu/qemu_capabilities.h | 1 +
tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml | 1 +
tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml | 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 +
12 files changed, 17 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index c7da916f9a..8e23b78ba4 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -502,6 +502,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"sev-guest",
"machine.pseries.cap-hpt-max-page-size",
"machine.pseries.cap-htm",
+ "egl-headless",
);
@@ -4028,6 +4029,11 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
virQEMUCapsSet(qemuCaps, QEMU_CAPS_MACHINE_PSERIES_RESIZE_HPT);
}
+ /* '-display egl-headless' cmdline option is supported since QEMU 2.10, but
+ * there's no way to probe it */
+ if (qemuCaps->version >= 2010000)
+ virQEMUCapsSet(qemuCaps, QEMU_CAPS_EGL_HEADLESS);
+
/* no way to query for -numa dist */
if (qemuCaps->version >= 2010000)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_NUMA_DIST);
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index a048a1cf02..bb3594c172 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -486,6 +486,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check
*/
QEMU_CAPS_SEV_GUEST, /* -object sev-guest,... */
QEMU_CAPS_MACHINE_PSERIES_CAP_HPT_MAX_PAGE_SIZE, /* -machine
pseries.cap-hpt-max-page-size */
QEMU_CAPS_MACHINE_PSERIES_CAP_HTM, /* -machine pseries.cap-htm */
+ QEMU_CAPS_EGL_HEADLESS, /* -display egl-headless */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
b/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
index 169641063c..a70e050765 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
@@ -159,6 +159,7 @@
<flag name='hda-output'/>
<flag name='blockdev-del'/>
<flag name='vhost-vsock'/>
+ <flag name='egl-headless'/>
<version>2010000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>307647</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
b/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
index 92c095abd2..72709905d8 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
@@ -158,6 +158,7 @@
<flag name='hda-output'/>
<flag name='blockdev-del'/>
<flag name='vhost-vsock'/>
+ <flag name='egl-headless'/>
<version>2010000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>386992</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
b/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
index 5e22e21224..7347f5683f 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
@@ -119,6 +119,7 @@
<flag name='sdl-gl'/>
<flag name='blockdev-del'/>
<flag name='vhost-vsock'/>
+ <flag name='egl-headless'/>
<version>2010000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>307899</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
b/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
index 10b066bff1..d69a148cd2 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
@@ -203,6 +203,7 @@
<flag name='vmgenid'/>
<flag name='vhost-vsock'/>
<flag name='mch'/>
+ <flag name='egl-headless'/>
<version>2010000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>367995</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
b/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
index 6ca2e57ef8..b359f9a049 100644
--- a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
@@ -126,6 +126,7 @@
<flag name='blockdev-del'/>
<flag name='vhost-vsock'/>
<flag name='tpm-emulator'/>
+ <flag name='egl-headless'/>
<version>2011000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>346751</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
index ecc029f403..80e7afec04 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='vhost-vsock'/>
<flag name='chardev-fd-pass'/>
<flag name='tpm-emulator'/>
+ <flag name='egl-headless'/>
<version>2011090</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>347550</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
index 7139179304..c4b09c0003 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='chardev-fd-pass'/>
<flag name='tpm-emulator'/>
<flag name='machine.pseries.cap-htm'/>
+ <flag name='egl-headless'/>
<version>2011090</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>428334</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
index 87d189e58d..1ff2fe45e1 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='vhost-vsock'/>
<flag name='chardev-fd-pass'/>
<flag name='tpm-emulator'/>
+ <flag name='egl-headless'/>
<version>2012000</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>375999</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index 9c1f6c327c..37d17786cf 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='mch'/>
<flag name='mch.extended-tseg-mbytes'/>
<flag name='sev-guest'/>
+ <flag name='egl-headless'/>
<version>2011090</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>416196</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
b/tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml
index 33cd00e613..57bf5dba11 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='tpm-emulator'/>
<flag name='machine.pseries.cap-hpt-max-page-size'/>
<flag name='machine.pseries.cap-htm'/>
+ <flag name='egl-headless'/>
<version>2012050</version>
<kvmVersion>0</kvmVersion>
<microcodeVersion>446771</microcodeVersion>
--
2.14.4