[libvirt] [PATCH 1/3] qemu: probe for -chardev 'fd' parameter for FD passing
QEMU >= 2.12 will support passing of pre-opened file descriptors for
socket based character devices.
XXXX should we include 2.12 pre-release git snapshot of capaibilities ?
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/qemu/qemu_capabilities.c | 2 ++
src/qemu/qemu_capabilities.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 3eb5ed6d1a..c20dc32126 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -459,6 +459,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"pl011",
"machine.pseries.max-cpu-compat",
"dump-completed",
+ "chardev-fd-pass",
);
@@ -3196,6 +3197,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] =
{
{ "machine", "loadparm", QEMU_CAPS_LOADPARM },
{ "vnc", "vnc", QEMU_CAPS_VNC_MULTI_SERVERS },
{ "chardev", "reconnect", QEMU_CAPS_CHARDEV_RECONNECT },
+ { "chardev", "fd", QEMU_CAPS_CHARDEV_FD_PASS },
};
static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index c2ec2be193..aedf3c2d5e 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -444,6 +444,7 @@ typedef enum {
QEMU_CAPS_DEVICE_PL011, /* -device pl011 (not user-instantiable) */
QEMU_CAPS_MACHINE_PSERIES_MAX_CPU_COMPAT, /* -machine pseries,max-cpu-compat= */
QEMU_CAPS_DUMP_COMPLETED, /* DUMP_COMPLETED event */
+ QEMU_CAPS_CHARDEV_FD_PASS, /* Passing pre-opened FDs for chardevs */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
--
2.14.3