Commit e5567f5f6762 ("PCI/ATS: Add pci_prg_resp_pasid_required()
interface.") added a common interface to check the PASID bit in the PRI
capability. Use it in the AMD driver.Signed-off-by: Jean-Philippe Brucker <[email protected]> --- drivers/iommu/amd_iommu.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index f7cdd2ab7f11..7a0de274934c 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2122,23 +2122,6 @@ static int pdev_iommuv2_enable(struct pci_dev *pdev) return ret; } -/* FIXME: Move this to PCI code */ -#define PCI_PRI_TLP_OFF (1 << 15) - -static bool pci_pri_tlp_required(struct pci_dev *pdev) -{ - u16 status; - int pos; - - pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI); - if (!pos) - return false; - - pci_read_config_word(pdev, pos + PCI_PRI_STATUS, &status); - - return (status & PCI_PRI_TLP_OFF) ? true : false; -} - /* * If a device is not yet associated with a domain, this function makes the * device visible in the domain @@ -2167,7 +2150,7 @@ static int attach_device(struct device *dev, dev_data->ats.enabled = true; dev_data->ats.qdep = pci_ats_queue_depth(pdev); - dev_data->pri_tlp = pci_pri_tlp_required(pdev); + dev_data->pri_tlp = pci_prg_resp_pasid_required(pdev); } } else if (amd_iommu_iotlb_sup && pci_enable_ats(pdev, PAGE_SHIFT) == 0) { -- 2.21.0 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
