[libvirt] [PATCH v2 13/13] qemu: command: gfx: egl-headless: Add 'rendernode' option to the cmdline

Erik Skultety eskultet at redhat.com
Wed Nov 28 13:38:23 UTC 2018


Depending on whether QEMU actually supports the option, we can put the
'rendernode' on the '-display egl-headless' cmdline.
As for the test, we don't need a new input source, hence the symlink,
we just need a new .args output, since the functionality is determined
by a QEMU capability.

Signed-off-by: Erik Skultety <eskultet at redhat.com>
---
 src/qemu/qemu_command.c                       | 29 ++++++++++++++++---
 ...graphics-egl-headless-rendernode-auto.args | 26 +++++++++++++++++
 .../graphics-egl-headless-rendernode-auto.xml |  1 +
 .../graphics-egl-headless.args                |  2 +-
 .../graphics-spice-egl-headless.args          |  2 +-
 .../graphics-vnc-egl-headless.args            |  2 +-
 ...play-spice-egl-headless.x86_64-latest.args |  2 +-
 ...isplay-vnc-egl-headless.x86_64-latest.args |  2 +-
 tests/qemuxml2argvtest.c                      |  7 +++++
 9 files changed, 64 insertions(+), 9 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.args
 create mode 120000 tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 34c8ad751b..19098e4ebe 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -8310,13 +8310,34 @@ 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 (!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-auto.args b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.args
new file mode 100644
index 0000000000..84633abca8
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.args
@@ -0,0 +1,26 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+/usr/bin/qemu-system-i686 \
+-name QEMUGuest1 \
+-S \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\
+bootindex=1 \
+-display egl-headless,rendernode=/dev/dri/foo \
+-vga cirrus
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.xml b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.xml
new file mode 120000
index 0000000000..065e77919e
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode-auto.xml
@@ -0,0 +1 @@
+graphics-egl-headless.xml
\ No newline at end of file
diff --git a/tests/qemuxml2argvdata/graphics-egl-headless.args b/tests/qemuxml2argvdata/graphics-egl-headless.args
index 6428dbb121..84633abca8 100644
--- a/tests/qemuxml2argvdata/graphics-egl-headless.args
+++ b/tests/qemuxml2argvdata/graphics-egl-headless.args
@@ -22,5 +22,5 @@ server,nowait \
 -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
 -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\
 bootindex=1 \
--display egl-headless \
+-display egl-headless,rendernode=/dev/dri/foo \
 -vga cirrus
diff --git a/tests/qemuxml2argvdata/graphics-spice-egl-headless.args b/tests/qemuxml2argvdata/graphics-spice-egl-headless.args
index 60eba443f2..df86f7f328 100644
--- a/tests/qemuxml2argvdata/graphics-spice-egl-headless.args
+++ b/tests/qemuxml2argvdata/graphics-spice-egl-headless.args
@@ -24,7 +24,7 @@ server,nowait \
 -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\
 bootindex=1 \
 -spice port=5903,addr=127.0.0.1 \
--display egl-headless \
+-display egl-headless,rendernode=/dev/dri/foo \
 -vga qxl \
 -global qxl-vga.ram_size=67108864 \
 -global qxl-vga.vram_size=33554432 \
diff --git a/tests/qemuxml2argvdata/graphics-vnc-egl-headless.args b/tests/qemuxml2argvdata/graphics-vnc-egl-headless.args
index bb615da859..8dffc7d085 100644
--- a/tests/qemuxml2argvdata/graphics-vnc-egl-headless.args
+++ b/tests/qemuxml2argvdata/graphics-vnc-egl-headless.args
@@ -24,5 +24,5 @@ server,nowait \
 -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\
 bootindex=1 \
 -vnc '[2001:1:2:3:4:5:1234:1234]:3' \
--display egl-headless \
+-display egl-headless,rendernode=/dev/dri/foo \
 -vga cirrus
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..787b54c74b 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1245,6 +1245,11 @@ mymain(void)
 
     DO_TEST("graphics-egl-headless",
             QEMU_CAPS_EGL_HEADLESS,
+            QEMU_CAPS_EGL_HEADLESS_RENDERNODE,
+            QEMU_CAPS_DEVICE_CIRRUS_VGA);
+    DO_TEST("graphics-egl-headless-rendernode-auto",
+            QEMU_CAPS_EGL_HEADLESS,
+            QEMU_CAPS_EGL_HEADLESS_RENDERNODE,
             QEMU_CAPS_DEVICE_CIRRUS_VGA);
 
     DO_TEST("graphics-vnc", QEMU_CAPS_VNC, QEMU_CAPS_DEVICE_CIRRUS_VGA);
@@ -1284,6 +1289,7 @@ mymain(void)
     DO_TEST("graphics-vnc-egl-headless",
             QEMU_CAPS_VNC,
             QEMU_CAPS_EGL_HEADLESS,
+            QEMU_CAPS_EGL_HEADLESS_RENDERNODE,
             QEMU_CAPS_DEVICE_CIRRUS_VGA);
 
     DO_TEST("graphics-sdl",
@@ -1346,6 +1352,7 @@ mymain(void)
     DO_TEST("graphics-spice-egl-headless",
             QEMU_CAPS_SPICE,
             QEMU_CAPS_EGL_HEADLESS,
+            QEMU_CAPS_EGL_HEADLESS_RENDERNODE,
             QEMU_CAPS_DEVICE_QXL);
     DO_TEST_FAILURE("graphics-spice-invalid-egl-headless",
                     QEMU_CAPS_SPICE,
-- 
2.19.1




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