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bh=5nsKjRxVEJHSXPoYhVMa5N+yiqed+CHT2lIF6QJc32s=; b=TX4xkcktQNTk91ePCxkNqtJD5vzJ5kQgtAg24vmbPakGlTdm5FAqDiBLdPN+0bss9tFJy9 BVxUn4QiYrgP7N2WsQKUeqsOcck0DJ/G65pOecE7IlVAXh6TzFKMeJi1O/A+L9rXku1In5 3f8Jt42owUhZOGd8H+PbUgq6eMeFE/Y= X-MC-Unique: FwoKoz-XMmSqSuKgv5P43A-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, jean-philippe@linaro.org, alex.williamson@redhat.com, peter.maydell@linaro.org, zhenzhong.duan@intel.com, peterx@redhat.com, yanghliu@redhat.com, pbonzini@redhat.com Cc: mst@redhat.com, clg@redhat.com Subject: [RFC 3/7] vfio/pci: Pass the usable IOVA ranges through PCIIOMMUOps Date: Wed, 17 Jan 2024 09:02:07 +0100 Message-ID: <20240117080414.316890-4-eric.auger@redhat.com> In-Reply-To: <20240117080414.316890-1-eric.auger@redhat.com> References: <20240117080414.316890-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 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=170.10.129.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -38 X-Spam_score: -3.9 X-Spam_bar: --- X-Spam_report: (-3.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.806, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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: 1705478778790100008 Content-Type: text/plain; charset="utf-8" Pass the collected usable IOVA regions using the PCIIOMMUOps set_host_iova_ranges() callback, if implemented. Signed-off-by: Eric Auger --- hw/vfio/pci.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index d7fe06715c..63937952bb 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2485,6 +2485,28 @@ int vfio_pci_get_pci_hot_reset_info(VFIOPCIDevice *v= dev, return 0; } =20 +static int vfio_pci_set_iova_ranges(VFIOPCIDevice *vdev, Error **errp) +{ + VFIODevice *vbasedev =3D &vdev->vbasedev; + PCIDevice *pdev =3D &vdev->pdev; + VFIOContainerBase *bcontainer =3D vbasedev->bcontainer; + PCIBus *bus, *iommu_bus; + + if (!bcontainer->iova_ranges) { + return 0; + } + + bus =3D pci_get_bus(pdev); + iommu_bus =3D pci_device_iommu_bus(pdev); + if (iommu_bus && iommu_bus->iommu_ops && + iommu_bus->iommu_ops->set_host_iova_ranges) { + return iommu_bus->iommu_ops->set_host_iova_ranges( + bus, iommu_bus->iommu_opaque, + pdev->devfn, bcontainer->iova_ranges, errp); + } + return 0; +} + static int vfio_pci_hot_reset(VFIOPCIDevice *vdev, bool single) { VFIODevice *vbasedev =3D &vdev->vbasedev; @@ -3004,6 +3026,11 @@ static void vfio_realize(PCIDevice *pdev, Error **er= rp) goto error; } =20 + ret =3D vfio_pci_set_iova_ranges(vdev, errp); + if (ret) { + goto error; + } + vfio_populate_device(vdev, &err); if (err) { error_propagate(errp, err); --=20 2.41.0