[libvirt] [PATCH v4 17/20] qemu: prepare domain for vhost-user GPU
From: Marc-André Lureau <marcandre.lureau(a)redhat.com>
Call qemuExtVhostUserGPUPrepareDomain() to fill the domain with the
location of the vhost-user binary to start.
Signed-off-by: Marc-André Lureau <marcandre.lureau(a)redhat.com>
---
src/qemu/qemu_extdevice.c | 29 +++++++++++++++++++++++++++++
src/qemu/qemu_extdevice.h | 5 +++++
src/qemu/qemu_process.c | 4 ++++
3 files changed, 38 insertions(+)
diff --git a/src/qemu/qemu_extdevice.c b/src/qemu/qemu_extdevice.c
index 409e2d82ee..7855fa6770 100644
--- a/src/qemu/qemu_extdevice.c
+++ b/src/qemu/qemu_extdevice.c
@@ -21,6 +21,7 @@
#include <config.h>
#include "qemu_extdevice.h"
+#include "qemu_vhost_user_gpu.h"
#include "qemu_domain.h"
#include "qemu_tpm.h"
#include "qemu_slirp.h"
@@ -78,6 +79,34 @@ qemuExtDevicesInitPaths(virQEMUDriverPtr driver,
}
+/*
+ * qemuExtDevicesPrepareDomain:
+ *
+ * @driver: QEMU driver
+ * @vm: domain
+ *
+ * Code that modifies live XML of a domain which is about to start.
+ */
+int
+qemuExtDevicesPrepareDomain(virQEMUDriverPtr driver,
+ virDomainObjPtr vm)
+{
+ int ret = 0;
+ size_t i;
+
+ for (i = 0; i < vm->def->nvideos; i++) {
+ virDomainVideoDefPtr video = vm->def->videos[i];
+
+ if (video->backend == VIR_DOMAIN_VIDEO_BACKEND_TYPE_VHOSTUSER) {
+ if ((ret = qemuExtVhostUserGPUPrepareDomain(driver, video)) < 0)
+ break;
+ }
+ }
+
+ return ret;
+}
+
+
/*
* qemuExtDevicesPrepareHost:
*
diff --git a/src/qemu/qemu_extdevice.h b/src/qemu/qemu_extdevice.h
index f29317498b..a035c9f638 100644
--- a/src/qemu/qemu_extdevice.h
+++ b/src/qemu/qemu_extdevice.h
@@ -30,6 +30,11 @@ int qemuExtDeviceLogCommand(virQEMUDriverPtr driver,
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4)
ATTRIBUTE_RETURN_CHECK;
+int qemuExtDevicesPrepareDomain(virQEMUDriverPtr driver,
+ virDomainObjPtr vm)
+ ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
+ ATTRIBUTE_RETURN_CHECK;
+
int qemuExtDevicesPrepareHost(virQEMUDriverPtr driver,
virDomainObjPtr vm)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 463b783966..491f374938 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -6367,6 +6367,10 @@ qemuProcessPrepareDomain(virQEMUDriverPtr driver,
if (qemuFirmwareFillDomain(driver, vm, flags) < 0)
goto cleanup;
+ VIR_DEBUG("Preparing external devices");
+ if (qemuExtDevicesPrepareDomain(driver, vm) < 0)
+ goto cleanup;
+
for (i = 0; i < vm->def->nchannels; i++) {
if (qemuDomainPrepareChannel(vm->def->channels[i],
priv->channelTargetDir) < 0)
--
2.23.0