Add fault information for group-id and necessary flags for page request faults that can be handled by page fault handler in virtio-iommu driver.
Signed-off-by: Vivek Gautam <[email protected]> Cc: Joerg Roedel <[email protected]> Cc: Will Deacon <[email protected]> Cc: Robin Murphy <[email protected]> Cc: Jean-Philippe Brucker <[email protected]> Cc: Eric Auger <[email protected]> Cc: Alex Williamson <[email protected]> Cc: Kevin Tian <[email protected]> Cc: Jacob Pan <[email protected]> Cc: Liu Yi L <[email protected]> Cc: Lorenzo Pieralisi <[email protected]> Cc: Shameerali Kolothum Thodi <[email protected]> --- include/uapi/linux/virtio_iommu.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/uapi/linux/virtio_iommu.h b/include/uapi/linux/virtio_iommu.h index f8bf927a0689..accc3318ce46 100644 --- a/include/uapi/linux/virtio_iommu.h +++ b/include/uapi/linux/virtio_iommu.h @@ -307,14 +307,27 @@ struct virtio_iommu_req_invalidate { #define VIRTIO_IOMMU_FAULT_F_DMA_UNRECOV 1 #define VIRTIO_IOMMU_FAULT_F_PAGE_REQ 2 +#define VIRTIO_IOMMU_FAULT_PRQ_F_PASID_VALID (1 << 0) +#define VIRTIO_IOMMU_FAULT_PRQ_F_LAST_PAGE (1 << 1) +#define VIRTIO_IOMMU_FAULT_PRQ_F_PRIV_DATA (1 << 2) +#define VIRTIO_IOMMU_FAULT_PRQ_F_NEEDS_PASID (1 << 3) + +#define VIRTIO_IOMMU_FAULT_UNREC_F_PASID_VALID (1 << 0) +#define VIRTIO_IOMMU_FAULT_UNREC_F_ADDR_VALID (1 << 1) +#define VIRTIO_IOMMU_FAULT_UNREC_F_FETCH_ADDR_VALID (1 << 2) + struct virtio_iommu_fault { __u8 reason; __u8 reserved[3]; __le16 flt_type; __u8 reserved2[2]; + /* flags is actually permission flags */ __le32 flags; + /* flags for PASID and Page request handling info */ + __le32 pr_evt_flags; __le32 endpoint; __le32 pasid; + __le32 grpid; __u8 reserved3[4]; __le64 address; __u8 reserved4[8]; -- 2.17.1 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
