[libvirt] [PATCH v2 04/39] qemu_hostdev: Introduce qemuHostdevNeedsVFIO()
There are two types of host devices that require /dev/vfio/vfio
access:
1) PCI devices with VFIO backend
2) Mediated devices
Introduce a simple helper that returns true if passed @hostdev
falls in either of the categories.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/qemu/qemu_hostdev.c | 9 +++++++++
src/qemu/qemu_hostdev.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
index af41c32679..ebbca817b8 100644
--- a/src/qemu/qemu_hostdev.c
+++ b/src/qemu/qemu_hostdev.c
@@ -118,6 +118,15 @@ qemuHostdevUpdateActiveDomainDevices(virQEMUDriverPtr driver,
return 0;
}
+
+bool
+qemuHostdevNeedsVFIO(const virDomainHostdevDef *hostdev)
+{
+ return virHostdevIsVFIODevice(hostdev) ||
+ virHostdevIsMdevDevice(hostdev);
+}
+
+
bool
qemuHostdevHostSupportsPassthroughVFIO(void)
{
diff --git a/src/qemu/qemu_hostdev.h b/src/qemu/qemu_hostdev.h
index e99c204961..536069fe8a 100644
--- a/src/qemu/qemu_hostdev.h
+++ b/src/qemu/qemu_hostdev.h
@@ -24,6 +24,8 @@
#include "qemu_conf.h"
#include "domain_conf.h"
+bool qemuHostdevNeedsVFIO(const virDomainHostdevDef *hostdev);
+
bool qemuHostdevHostSupportsPassthroughVFIO(void);
int qemuHostdevUpdateActiveMediatedDevices(virQEMUDriverPtr driver,
--
2.21.0