[libvirt] [PATCH] qemu: Allow /dev/dri/renderD128

[Michal Privoznik]

This demand comes from qemu_egl_rendernode_open() in qemu source
code. It is needed for virgl to work with qemu:///system
connection. The session one works just fine.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 docs/drvqemu.html.in               | 1 +
 src/qemu/qemu.conf                 | 3 ++-
 src/qemu/qemu_cgroup.c             | 1 +
 src/qemu/test_libvirtd_qemu.aug.in | 1 +
 4 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/drvqemu.html.in b/docs/drvqemu.html.in
index fa1eca78a..c7c34c9f2 100644
--- a/docs/drvqemu.html.in
+++ b/docs/drvqemu.html.in
@@ -397,6 +397,7 @@ chmod o+x /path/to/directory
 /dev/random, /dev/urandom,
 /dev/ptmx, /dev/kvm, /dev/kqemu,
 /dev/rtc, /dev/hpet, /dev/net/tun
+/dev/dri/renderD128
 </pre>
 
     <p>
diff --git a/src/qemu/qemu.conf b/src/qemu/qemu.conf
index a8cd369cb..087e6bcce 100644
--- a/src/qemu/qemu.conf
+++ b/src/qemu/qemu.conf
@@ -354,7 +354,8 @@
 #    "/dev/null", "/dev/full", "/dev/zero",
 #    "/dev/random", "/dev/urandom",
 #    "/dev/ptmx", "/dev/kvm", "/dev/kqemu",
-#    "/dev/rtc","/dev/hpet", "/dev/vfio/vfio"
+#    "/dev/rtc","/dev/hpet", "/dev/vfio/vfio",
+#    "/dev/dri/renderD128"
 #]
 #
 # RDMA migration requires the following extra files to be added to the list:
diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
index 6c90d46d1..b47f714fc 100644
--- a/src/qemu/qemu_cgroup.c
+++ b/src/qemu/qemu_cgroup.c
@@ -47,6 +47,7 @@ const char *const defaultDeviceACL[] = {
     "/dev/random", "/dev/urandom",
     "/dev/ptmx", "/dev/kvm", "/dev/kqemu",
     "/dev/rtc", "/dev/hpet", "/dev/vfio/vfio",
+    "/dev/dri/renderD128",
     NULL,
 };
 #define DEVICE_PTY_MAJOR 136
diff --git a/src/qemu/test_libvirtd_qemu.aug.in b/src/qemu/test_libvirtd_qemu.aug.in
index a749f0900..b7067f7b7 100644
--- a/src/qemu/test_libvirtd_qemu.aug.in
+++ b/src/qemu/test_libvirtd_qemu.aug.in
@@ -56,6 +56,7 @@ module Test_libvirtd_qemu =
     { "9" = "/dev/rtc" }
     { "10" = "/dev/hpet" }
     { "11" = "/dev/vfio/vfio" }
+    { "12" = "/dev/dri/renderD128" }
 }
 { "save_image_format" = "raw" }
 { "dump_image_format" = "raw" }
-- 
2.11.0