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 <j...@nvidia.com>
thanks. -- Regards, Yi Liu
