Re: [libvirt] [PATCH v4 09/14] hostdev: Maintain a driver list of active mediated devices

Keep track of the assigned mediated devices the same way we do it for the rest of hostdevs. Methods like 'Prepare', 'Update', and 'ReAttach' are introduced by this patch. Signed-off-by: Erik Skultety <eskultet(a)redhat.com&gt; --- src/libvirt_private.syms | 3 + src/qemu/qemu_hostdev.c | 56 ++++++++++++++++ src/qemu/qemu_hostdev.h | 10 +++ src/util/virhostdev.c | 165 ++++++++++++++++++++++++++++++++++++++++++++++- src/util/virhostdev.h | 23 +++++++ 5 files changed, 256 insertions(+), 1 deletion(-)

@@ -305,6 +324,24 @@ qemuHostdevPrepareSCSIVHostDevices(virQEMUDriverPtr driver, } int +qemuHostdevPrepareMediatedDevices(virQEMUDriverPtr driver, + const char *name, + virDomainHostdevDefPtr *hostdevs, + int nhostdevs) +{ + virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr; + + if (!qemuHostdevHostSupportsPassthroughVFIO()) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("host doesn't support VFIO PCI interface")); + return -1; + }

+ + return virHostdevPrepareMediatedDevices(hostdev_mgr, QEMU_DRIVER_NAME, + name, hostdevs, nhostdevs); +} + +int qemuHostdevPrepareDomainDevices(virQEMUDriverPtr driver, virDomainDefPtr def, virQEMUCapsPtr qemuCaps, @@ -330,6 +367,10 @@ qemuHostdevPrepareDomainDevices(virQEMUDriverPtr driver, def->hostdevs, def->nhostdevs) < 0) return -1; + if (qemuHostdevPrepareMediatedDevices(driver, def->name, + def->hostdevs, def->nhostdevs) < 0) + return -1;