| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI_IOMMU_H |
| #define _UAPI_IOMMU_H |
| #include <linux/types.h> |
| #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) |
| __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 { |
| #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 |
