1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_VIRTIO_IOMMU_H 20 #define _UAPI_LINUX_VIRTIO_IOMMU_H 21 #include <linux/types.h> 22 #define VIRTIO_IOMMU_F_INPUT_RANGE 0 23 #define VIRTIO_IOMMU_F_DOMAIN_RANGE 1 24 #define VIRTIO_IOMMU_F_MAP_UNMAP 2 25 #define VIRTIO_IOMMU_F_BYPASS 3 26 #define VIRTIO_IOMMU_F_PROBE 4 27 #define VIRTIO_IOMMU_F_MMIO 5 28 struct virtio_iommu_range_64 { 29 __u64 start; 30 __u64 end; 31 }; 32 struct virtio_iommu_range_32 { 33 __u32 start; 34 __u32 end; 35 }; 36 struct virtio_iommu_config { 37 __u64 page_size_mask; 38 struct virtio_iommu_range_64 input_range; 39 struct virtio_iommu_range_32 domain_range; 40 __u32 probe_size; 41 }; 42 #define VIRTIO_IOMMU_T_ATTACH 0x01 43 #define VIRTIO_IOMMU_T_DETACH 0x02 44 #define VIRTIO_IOMMU_T_MAP 0x03 45 #define VIRTIO_IOMMU_T_UNMAP 0x04 46 #define VIRTIO_IOMMU_T_PROBE 0x05 47 #define VIRTIO_IOMMU_S_OK 0x00 48 #define VIRTIO_IOMMU_S_IOERR 0x01 49 #define VIRTIO_IOMMU_S_UNSUPP 0x02 50 #define VIRTIO_IOMMU_S_DEVERR 0x03 51 #define VIRTIO_IOMMU_S_INVAL 0x04 52 #define VIRTIO_IOMMU_S_RANGE 0x05 53 #define VIRTIO_IOMMU_S_NOENT 0x06 54 #define VIRTIO_IOMMU_S_FAULT 0x07 55 #define VIRTIO_IOMMU_S_NOMEM 0x08 56 struct virtio_iommu_req_head { 57 __u8 type; 58 __u8 reserved[3]; 59 }; 60 struct virtio_iommu_req_tail { 61 __u8 status; 62 __u8 reserved[3]; 63 }; 64 struct virtio_iommu_req_attach { 65 struct virtio_iommu_req_head head; 66 __le32 domain; 67 __le32 endpoint; 68 __u8 reserved[8]; 69 struct virtio_iommu_req_tail tail; 70 }; 71 struct virtio_iommu_req_detach { 72 struct virtio_iommu_req_head head; 73 __le32 domain; 74 __le32 endpoint; 75 __u8 reserved[8]; 76 struct virtio_iommu_req_tail tail; 77 }; 78 #define VIRTIO_IOMMU_MAP_F_READ (1 << 0) 79 #define VIRTIO_IOMMU_MAP_F_WRITE (1 << 1) 80 #define VIRTIO_IOMMU_MAP_F_MMIO (1 << 2) 81 #define VIRTIO_IOMMU_MAP_F_MASK (VIRTIO_IOMMU_MAP_F_READ | VIRTIO_IOMMU_MAP_F_WRITE | VIRTIO_IOMMU_MAP_F_MMIO) 82 struct virtio_iommu_req_map { 83 struct virtio_iommu_req_head head; 84 __le32 domain; 85 __le64 virt_start; 86 __le64 virt_end; 87 __le64 phys_start; 88 __le32 flags; 89 struct virtio_iommu_req_tail tail; 90 }; 91 struct virtio_iommu_req_unmap { 92 struct virtio_iommu_req_head head; 93 __le32 domain; 94 __le64 virt_start; 95 __le64 virt_end; 96 __u8 reserved[4]; 97 struct virtio_iommu_req_tail tail; 98 }; 99 #define VIRTIO_IOMMU_PROBE_T_NONE 0 100 #define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1 101 #define VIRTIO_IOMMU_PROBE_T_MASK 0xfff 102 struct virtio_iommu_probe_property { 103 __le16 type; 104 __le16 length; 105 }; 106 #define VIRTIO_IOMMU_RESV_MEM_T_RESERVED 0 107 #define VIRTIO_IOMMU_RESV_MEM_T_MSI 1 108 struct virtio_iommu_probe_resv_mem { 109 struct virtio_iommu_probe_property head; 110 __u8 subtype; 111 __u8 reserved[3]; 112 __le64 start; 113 __le64 end; 114 }; 115 struct virtio_iommu_req_probe { 116 struct virtio_iommu_req_head head; 117 __le32 endpoint; 118 __u8 reserved[64]; 119 __u8 properties[]; 120 }; 121 #define VIRTIO_IOMMU_FAULT_R_UNKNOWN 0 122 #define VIRTIO_IOMMU_FAULT_R_DOMAIN 1 123 #define VIRTIO_IOMMU_FAULT_R_MAPPING 2 124 #define VIRTIO_IOMMU_FAULT_F_READ (1 << 0) 125 #define VIRTIO_IOMMU_FAULT_F_WRITE (1 << 1) 126 #define VIRTIO_IOMMU_FAULT_F_EXEC (1 << 2) 127 #define VIRTIO_IOMMU_FAULT_F_ADDRESS (1 << 8) 128 struct virtio_iommu_fault { 129 __u8 reason; 130 __u8 reserved[3]; 131 __le32 flags; 132 __le32 endpoint; 133 __u8 reserved2[4]; 134 __le64 address; 135 }; 136 #endif 137