starred/qemu
1
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2026-05-07 04:46:12 +00:00
Code Issues 380 Packages Projects Releases Wiki Activity

pci: Block ATS requests when privileged mode is disabled

Browse Source 
Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251029105137.1097933-5-clement.mathieu--drif@eviden.com>
This commit is contained in:
CLEMENT MATHIEU--DRIF
2025-10-29 10:51:44 +00:00
committed by Michael S. Tsirkin
parent b7e31028a3
commit ccd162e5be
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
hw/pci/pci.c
View File

@@ -3171,6 +3171,10 @@ ssize_t pci_ats_request_translation(PCIDevice *dev, uint32_t pasid,
return -EPERM;
}
if (priv_req && !pcie_pasid_priv_enabled(dev)) {
return -EPERM;
}
pci_device_get_iommu_bus_devfn(dev, &iommu_bus, &bus, &devfn);
if (iommu_bus && iommu_bus->iommu_ops->ats_request_translation) {
return iommu_bus->iommu_ops->ats_request_translation(bus,