/* * This file is auto-generated. Modifications will be lost. * * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ * for more information. */ #ifndef _UAPI_IOMMU_H #define _UAPI_IOMMU_H #include #define IOMMU_FAULT_PERM_READ (1 << 0) #define IOMMU_FAULT_PERM_WRITE (1 << 1) #define IOMMU_FAULT_PERM_EXEC (1 << 2) #define IOMMU_FAULT_PERM_PRIV (1 << 3) enum iommu_fault_type { IOMMU_FAULT_DMA_UNRECOV = 1, IOMMU_FAULT_PAGE_REQ, }; enum iommu_fault_reason { IOMMU_FAULT_REASON_UNKNOWN = 0, IOMMU_FAULT_REASON_PASID_FETCH, IOMMU_FAULT_REASON_BAD_PASID_ENTRY, IOMMU_FAULT_REASON_PASID_INVALID, IOMMU_FAULT_REASON_WALK_EABT, IOMMU_FAULT_REASON_PTE_FETCH, IOMMU_FAULT_REASON_PERMISSION, IOMMU_FAULT_REASON_ACCESS, IOMMU_FAULT_REASON_OOR_ADDRESS, }; struct iommu_fault_unrecoverable { __u32 reason; #define IOMMU_FAULT_UNRECOV_PASID_VALID (1 << 0) #define IOMMU_FAULT_UNRECOV_ADDR_VALID (1 << 1) #define IOMMU_FAULT_UNRECOV_FETCH_ADDR_VALID (1 << 2) __u32 flags; __u32 pasid; __u32 perm; __u64 addr; __u64 fetch_addr; }; struct iommu_fault_page_request { #define IOMMU_FAULT_PAGE_REQUEST_PASID_VALID (1 << 0) #define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1) #define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2) #define IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID (1 << 3) __u32 flags; __u32 pasid; __u32 grpid; __u32 perm; __u64 addr; __u64 private_data[2]; }; struct iommu_fault { __u32 type; __u32 padding; union { struct iommu_fault_unrecoverable event; struct iommu_fault_page_request prm; __u8 padding2[56]; }; }; enum iommu_page_response_code { IOMMU_PAGE_RESP_SUCCESS = 0, IOMMU_PAGE_RESP_INVALID, IOMMU_PAGE_RESP_FAILURE, }; struct iommu_page_response { __u32 argsz; #define IOMMU_PAGE_RESP_VERSION_1 1 __u32 version; #define IOMMU_PAGE_RESP_PASID_VALID (1 << 0) __u32 flags; __u32 pasid; __u32 grpid; __u32 code; }; #endif