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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , CLEMENT MATHIEU--DRIF , Marcel Apfelbaum Subject: [PULL 15/51] pci: Block ATS requests when privileged mode is disabled Message-ID: <462d06db2a1bbdf668701ac5654acb4b84d1a1cd.1770231744.git.mst@redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1770231855369158500 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: CLEMENT MATHIEU--DRIF Signed-off-by: Clement Mathieu--Drif Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Message-Id: <20251029105137.1097933-5-clement.mathieu--drif@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 9035caca92..90d6d71efd 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -3171,6 +3171,10 @@ ssize_t pci_ats_request_translation(PCIDevice *dev, = uint32_t pasid, return -EPERM; } =20 + 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, --=20 MST