On 21/03/2019 16:00, Sinan Kaya wrote:
> On 3/20/2019 1:36 PM, Jean-Philippe Brucker wrote:
>> err = pci_for_each_dma_alias(to_pci_dev(dev),
>> iort_pci_iommu_init, &info);
>> +
>> + if (!err && !iort_pci_rc_supports_ats(node))
>> + dev->iommu_
On 3/20/2019 1:36 PM, Jean-Philippe Brucker wrote:
err = pci_for_each_dma_alias(to_pci_dev(dev),
iort_pci_iommu_init, &info);
+
+ if (!err && !iort_pci_rc_supports_ats(node))
+ dev->iommu_fwspec->flag
Root complex node in IORT has a bit telling whether it supports ATS or
not. Store this bit in the IOMMU fwspec when setting up a device, so it
can be accessed later by an IOMMU driver.
Use the negative version (NO_ATS) at the moment because it's not clear
if/how the bit needs to be integrated in o
