From 7af5a1f92b63d250922e04b56cae67bfb65fa4f4 Mon Sep 17 00:00:00 2001 Message-ID: <7af5a1f92b63d250922e04b56cae67bfb65fa4f4.1780571166.git.jdenemar@redhat.com> From: Pavel Hrdina Date: Wed, 18 Mar 2026 11:47:21 +0100 Subject: [PATCH] conf: Refactor virHostdevIsPCIDevice Future patches will need to check if the host device uses IOMMUFD or not but we also need to keep a function that will check only if it is PCI device. Signed-off-by: Pavel Hrdina Reviewed-by: Peter Krempa (cherry picked from commit d0afa0a842ce8a6dcb3f881d7dccdf5198f78fa7) Resolves: https://redhat.atlassian.net/browse/RHEL-156803 Signed-off-by: Pavel Hrdina --- src/conf/domain_conf.c | 34 +++++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 35de8bab6b..59df028192 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -32782,6 +32782,33 @@ virHostdevIsMdevDevice(const virDomainHostdevDef *hostdev) } +static bool +virHostdevPCIDevHasIOMMUFD(const virDomainHostdevDef *hostdev) +{ + return hostdev->source.subsys.u.pci.driver.name == VIR_DEVICE_HOSTDEV_PCI_DRIVER_NAME_VFIO && + hostdev->source.subsys.u.pci.driver.iommufd == VIR_TRISTATE_BOOL_YES; +} + + +static bool +virHostdevIsPCIDeviceImpl(const virDomainHostdevDef *hostdev, + virTristateBool iommufd) +{ + if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS) + return false; + + if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) + return false; + + if (iommufd != VIR_TRISTATE_BOOL_ABSENT) { + bool hasIOMMUFD = iommufd == VIR_TRISTATE_BOOL_YES; + return hasIOMMUFD == virHostdevPCIDevHasIOMMUFD(hostdev); + } + + return true; +} + + /** * virHostdevIsPCIDevice: * @hostdev: host device to check @@ -32791,8 +32818,7 @@ virHostdevIsMdevDevice(const virDomainHostdevDef *hostdev) bool virHostdevIsPCIDevice(const virDomainHostdevDef *hostdev) { - return hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS && - hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI; + return virHostdevIsPCIDeviceImpl(hostdev, VIR_TRISTATE_BOOL_ABSENT); } @@ -32805,9 +32831,7 @@ virHostdevIsPCIDevice(const virDomainHostdevDef *hostdev) bool virHostdevIsPCIDeviceWithIOMMUFD(const virDomainHostdevDef *hostdev) { - return virHostdevIsPCIDevice(hostdev) && - hostdev->source.subsys.u.pci.driver.name == VIR_DEVICE_HOSTDEV_PCI_DRIVER_NAME_VFIO && - hostdev->source.subsys.u.pci.driver.iommufd == VIR_TRISTATE_BOOL_YES; + return virHostdevIsPCIDeviceImpl(hostdev, VIR_TRISTATE_BOOL_YES); } -- 2.54.0