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[libvirt] [PATCH v3 11/11] qemu: command: gfx: egl-headless: Add 'rendernode' option to the cmdline



Depending on whether QEMU actually supports the option, we can put the
'rendernode' on the '-display egl-headless' cmdline.

Signed-off-by: Erik Skultety <eskultet redhat com>
---
 src/qemu/qemu_command.c                       | 32 ++++++++++++++++---
 ...egl-headless-rendernode.x86_64-latest.args | 31 ++++++++++++++++++
 .../graphics-egl-headless.x86_64-latest.args  | 31 ++++++++++++++++++
 ...play-spice-egl-headless.x86_64-latest.args |  2 +-
 ...isplay-vnc-egl-headless.x86_64-latest.args |  2 +-
 tests/qemuxml2argvtest.c                      |  2 ++
 6 files changed, 94 insertions(+), 6 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 34c8ad751b..07b7082df8 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -8310,13 +8310,37 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
 static int
 qemuBuildGraphicsEGLHeadlessCommandLine(virQEMUDriverConfigPtr cfg ATTRIBUTE_UNUSED,
                                         virCommandPtr cmd,
-                                        virQEMUCapsPtr qemuCaps ATTRIBUTE_UNUSED,
-                                        virDomainGraphicsDefPtr graphics ATTRIBUTE_UNUSED)
+                                        virQEMUCapsPtr qemuCaps,
+                                        virDomainGraphicsDefPtr graphics)
 {
+    int ret = -1;
+    virBuffer opt = VIR_BUFFER_INITIALIZER;
+
+    virBufferAddLit(&opt, "egl-headless");
+
+    if (graphics->data.egl_headless.rendernode) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_EGL_HEADLESS_RENDERNODE)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("This QEMU doesn't support OpenGL rendernode "
+                             "with egl-headless graphics type"));
+            goto cleanup;
+        }
+
+        virBufferAddLit(&opt, ",rendernode=");
+        virQEMUBuildBufferEscapeComma(&opt,
+                                      graphics->data.egl_headless.rendernode);
+    }
+
+    if (virBufferCheckError(&opt) < 0)
+        goto cleanup;
+
     virCommandAddArg(cmd, "-display");
-    virCommandAddArg(cmd, "egl-headless");
+    virCommandAddArgBuffer(cmd, &opt);
 
-    return 0;
+    ret = 0;
+ cleanup:
+    virBufferFreeAndReset(&opt);
+    return ret;
 }
 
 
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
new file mode 100644
index 0000000000..ad9079d912
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.x86_64-latest.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+/usr/bin/qemu-system-i686 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-display egl-headless,rendernode=/dev/dri/foo \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args b/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args
new file mode 100644
index 0000000000..ad9079d912
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-egl-headless.x86_64-latest.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+/usr/bin/qemu-system-i686 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 \
+-display egl-headless,rendernode=/dev/dri/foo \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/hostdev-mdev-display-spice-egl-headless.x86_64-latest.args b/tests/qemuxml2argvdata/hostdev-mdev-display-spice-egl-headless.x86_64-latest.args
index b84869264e..f5229936fc 100644
--- a/tests/qemuxml2argvdata/hostdev-mdev-display-spice-egl-headless.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/hostdev-mdev-display-spice-egl-headless.x86_64-latest.args
@@ -24,7 +24,7 @@ file=/tmp/lib/domain--1-QEMUGuest2/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -spice port=0,seamless-migration=on \
--display egl-headless \
+-display egl-headless,rendernode=/dev/dri/foo \
 -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,\
 vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2 \
 -device vfio-pci,id=hostdev0,\
diff --git a/tests/qemuxml2argvdata/hostdev-mdev-display-vnc-egl-headless.x86_64-latest.args b/tests/qemuxml2argvdata/hostdev-mdev-display-vnc-egl-headless.x86_64-latest.args
index 91708d7663..9eaaf89eef 100644
--- a/tests/qemuxml2argvdata/hostdev-mdev-display-vnc-egl-headless.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/hostdev-mdev-display-vnc-egl-headless.x86_64-latest.args
@@ -24,7 +24,7 @@ file=/tmp/lib/domain--1-QEMUGuest2/master-key.aes \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
 -vnc 127.0.0.1:0 \
--display egl-headless \
+-display egl-headless,rendernode=/dev/dri/foo \
 -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,\
 vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2 \
 -device vfio-pci,id=hostdev0,\
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index eae2b7edf7..5601b356e2 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1246,6 +1246,8 @@ mymain(void)
     DO_TEST("graphics-egl-headless",
             QEMU_CAPS_EGL_HEADLESS,
             QEMU_CAPS_DEVICE_CIRRUS_VGA);
+    DO_TEST_CAPS_LATEST("graphics-egl-headless");
+    DO_TEST_CAPS_LATEST("graphics-egl-headless-rendernode");
 
     DO_TEST("graphics-vnc", QEMU_CAPS_VNC, QEMU_CAPS_DEVICE_CIRRUS_VGA);
     DO_TEST("graphics-vnc-socket", QEMU_CAPS_VNC, QEMU_CAPS_DEVICE_CIRRUS_VGA);
-- 
2.19.1


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