1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_MISC_CXL_H 7 #define _UAPI_MISC_CXL_H 8 #include <linux/types.h> 9 #include <linux/ioctl.h> 10 struct cxl_ioctl_start_work { 11 __u64 flags; 12 __u64 work_element_descriptor; 13 __u64 amr; 14 __s16 num_interrupts; 15 __u16 tid; 16 __s32 reserved1; 17 __u64 reserved2; 18 __u64 reserved3; 19 __u64 reserved4; 20 __u64 reserved5; 21 }; 22 #define CXL_START_WORK_AMR 0x0000000000000001ULL 23 #define CXL_START_WORK_NUM_IRQS 0x0000000000000002ULL 24 #define CXL_START_WORK_ERR_FF 0x0000000000000004ULL 25 #define CXL_START_WORK_TID 0x0000000000000008ULL 26 #define CXL_START_WORK_ALL (CXL_START_WORK_AMR |\ 27 CXL_START_WORK_NUM_IRQS |\ 28 CXL_START_WORK_ERR_FF |\ 29 CXL_START_WORK_TID) 30 #define CXL_MODE_DEDICATED 0x1 31 #define CXL_MODE_DIRECTED 0x2 32 #define CXL_AFUID_FLAG_SLAVE 0x1 33 struct cxl_afu_id { 34 __u64 flags; 35 __u32 card_id; 36 __u32 afu_offset; 37 __u32 afu_mode; 38 __u32 reserved1; 39 __u64 reserved2; 40 __u64 reserved3; 41 __u64 reserved4; 42 __u64 reserved5; 43 __u64 reserved6; 44 }; 45 #define CXL_AI_NEED_HEADER 0x0000000000000001ULL 46 #define CXL_AI_ALL CXL_AI_NEED_HEADER 47 #define CXL_AI_HEADER_SIZE 128 48 #define CXL_AI_BUFFER_SIZE 4096 49 #define CXL_AI_MAX_ENTRIES 256 50 #define CXL_AI_MAX_CHUNK_SIZE (CXL_AI_BUFFER_SIZE * CXL_AI_MAX_ENTRIES) 51 struct cxl_adapter_image { 52 __u64 flags; 53 __u64 data; 54 __u64 len_data; 55 __u64 len_image; 56 __u64 reserved1; 57 __u64 reserved2; 58 __u64 reserved3; 59 __u64 reserved4; 60 }; 61 #define CXL_MAGIC 0xCA 62 #define CXL_IOCTL_START_WORK _IOW(CXL_MAGIC, 0x00, struct cxl_ioctl_start_work) 63 #define CXL_IOCTL_GET_PROCESS_ELEMENT _IOR(CXL_MAGIC, 0x01, __u32) 64 #define CXL_IOCTL_GET_AFU_ID _IOR(CXL_MAGIC, 0x02, struct cxl_afu_id) 65 #define CXL_IOCTL_DOWNLOAD_IMAGE _IOW(CXL_MAGIC, 0x0A, struct cxl_adapter_image) 66 #define CXL_IOCTL_VALIDATE_IMAGE _IOW(CXL_MAGIC, 0x0B, struct cxl_adapter_image) 67 #define CXL_READ_MIN_SIZE 0x1000 68 enum cxl_event_type { 69 CXL_EVENT_RESERVED = 0, 70 CXL_EVENT_AFU_INTERRUPT = 1, 71 CXL_EVENT_DATA_STORAGE = 2, 72 CXL_EVENT_AFU_ERROR = 3, 73 CXL_EVENT_AFU_DRIVER = 4, 74 }; 75 struct cxl_event_header { 76 __u16 type; 77 __u16 size; 78 __u16 process_element; 79 __u16 reserved1; 80 }; 81 struct cxl_event_afu_interrupt { 82 __u16 flags; 83 __u16 irq; 84 __u32 reserved1; 85 }; 86 struct cxl_event_data_storage { 87 __u16 flags; 88 __u16 reserved1; 89 __u32 reserved2; 90 __u64 addr; 91 __u64 dsisr; 92 __u64 reserved3; 93 }; 94 struct cxl_event_afu_error { 95 __u16 flags; 96 __u16 reserved1; 97 __u32 reserved2; 98 __u64 error; 99 }; 100 struct cxl_event_afu_driver_reserved { 101 102 __u32 data_size; 103 __u8 data[]; 104 }; 105 struct cxl_event { 106 struct cxl_event_header header; 107 union { 108 struct cxl_event_afu_interrupt irq; 109 struct cxl_event_data_storage fault; 110 struct cxl_event_afu_error afu_error; 111 struct cxl_event_afu_driver_reserved afu_driver_event; 112 }; 113 }; 114 #endif 115