On 2024/9/27 03:35, Jason Gunthorpe wrote:
On Thu, Sep 12, 2024 at 06:17:29AM -0700, Yi Liu wrote:
@@ -1242,6 +1245,28 @@ int iommufd_get_hw_info(struct iommufd_ucmd *ucmd)
if (device_iommu_capable(idev->dev, IOMMU_CAP_DIRTY_TRACKING))
cmd->out_capabilities |= IOMMU_HW_CAP_DIRTY_TRACKING;
+ cmd->out_max_pasid_log2 = 0;
+
+ if (dev_is_pci(idev->dev)) {
+ struct pci_dev *pdev = to_pci_dev(idev->dev);
+ int ctrl;
+
+ if (pdev->is_virtfn)
+ pdev = pci_physfn(pdev);
Don't we do this twice now?
Let's just keep it in the pci core?
yes. let me drop it.
It looks Ok otherwise
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
thanks.
--
Regards,
Yi Liu
