[PATCH 4/7] pci: Block ATS requests when privileged mode is disabled

[CLEMENT MATHIEU--DRIF]

Signed-off-by: Clement Mathieu--Drif <clement.mathieu--d...@eviden.com>
---
 hw/pci/pci.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index acc03fd470..3c304158ac 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -3096,6 +3096,10 @@ 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,
-- 
2.51.0