Messages in this thread | | | Date | Mon, 3 Jun 2019 14:59:51 -0700 | From | Jacob Pan <> | Subject | Re: [PATCH v2 0/4] iommu: Add device fault reporting API |
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On Mon, 3 Jun 2019 15:57:45 +0100 Jean-Philippe Brucker <jean-philippe.brucker@arm.com> wrote:
> Allow device drivers and VFIO to get notified on IOMMU translation > fault, and handle recoverable faults (PCI PRI). Several series require > this API (Intel VT-d and Arm SMMUv3 nested support, as well as the > generic host SVA implementation). > > Changes since v1 [1]: > * Allocate iommu_param earlier, in iommu_probe_device(). > * Pass struct iommu_fault to fault handlers, instead of the > iommu_fault_event wrapper. > * Removed unused iommu_fault_event::iommu_private. > * Removed unnecessary iommu_page_response::addr. > * Added iommu_page_response::version, which would allow to introduce a > new incompatible iommu_page_response structure (as opposed to just > adding a flag + field). > > [1] [PATCH 0/4] iommu: Add device fault reporting API > https://lore.kernel.org/lkml/20190523180613.55049-1-jean-philippe.brucker@arm.com/ > > Jacob Pan (3): > driver core: Add per device iommu param > iommu: Introduce device fault data > iommu: Introduce device fault report API > > Jean-Philippe Brucker (1): > iommu: Add recoverable fault reporting > This interface meet the need for vt-d, just one more comment on 2/4. Do you want to add Co-developed-by you for the three patches from me?
Thanks,
Jacob
> drivers/iommu/iommu.c | 236 > ++++++++++++++++++++++++++++++++++++- include/linux/device.h | > 3 + include/linux/iommu.h | 87 ++++++++++++++ > include/uapi/linux/iommu.h | 153 ++++++++++++++++++++++++ > 4 files changed, 476 insertions(+), 3 deletions(-) > create mode 100644 include/uapi/linux/iommu.h >
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