mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-10 20:48:12 +00:00
dd67388bd6
[ Upstream commitb8c5ff7605] The devices on cdx could be bound to drivers with the device DMA managed by kernel drivers or user-space applications. As multiple devices can be placed in the same IOMMU group, the DMA on these devices must either be entirely under kernel control or userspace control. Fix the CDX bus driver to acknowlege the driver_managed_dma flag and call the appropriate iommu APIs. Fixes:2959ab2470("cdx: add the cdx bus driver") Signed-off-by: Nipun Gupta <nipun.gupta@amd.com> Reported-by: Alex Williamson <alex.williamson@redhat.com> Closes: https://lore.kernel.org/lkml/20230524134831.28dc97e2.alex.williamson@redhat.com/ Reviewed-by: Nikhil Agarwal <nikhil.agarwal@amd.com> Message-ID: <20230605131009.6869-1-nipun.gupta@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
553 lines
14 KiB
553 lines
14 KiB