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_MISC_CXL_H 20 #define _UAPI_MISC_CXL_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 struct cxl_ioctl_start_work { 24 __u64 flags; 25 __u64 work_element_descriptor; 26 __u64 amr; 27 __s16 num_interrupts; 28 __u16 tid; 29 __s32 reserved1; 30 __u64 reserved2; 31 __u64 reserved3; 32 __u64 reserved4; 33 __u64 reserved5; 34 }; 35 #define CXL_START_WORK_AMR 0x0000000000000001ULL 36 #define CXL_START_WORK_NUM_IRQS 0x0000000000000002ULL 37 #define CXL_START_WORK_ERR_FF 0x0000000000000004ULL 38 #define CXL_START_WORK_TID 0x0000000000000008ULL 39 #define CXL_START_WORK_ALL (CXL_START_WORK_AMR | CXL_START_WORK_NUM_IRQS | CXL_START_WORK_ERR_FF | CXL_START_WORK_TID) 40 #define CXL_MODE_DEDICATED 0x1 41 #define CXL_MODE_DIRECTED 0x2 42 #define CXL_AFUID_FLAG_SLAVE 0x1 43 struct cxl_afu_id { 44 __u64 flags; 45 __u32 card_id; 46 __u32 afu_offset; 47 __u32 afu_mode; 48 __u32 reserved1; 49 __u64 reserved2; 50 __u64 reserved3; 51 __u64 reserved4; 52 __u64 reserved5; 53 __u64 reserved6; 54 }; 55 #define CXL_AI_NEED_HEADER 0x0000000000000001ULL 56 #define CXL_AI_ALL CXL_AI_NEED_HEADER 57 #define CXL_AI_HEADER_SIZE 128 58 #define CXL_AI_BUFFER_SIZE 4096 59 #define CXL_AI_MAX_ENTRIES 256 60 #define CXL_AI_MAX_CHUNK_SIZE (CXL_AI_BUFFER_SIZE * CXL_AI_MAX_ENTRIES) 61 struct cxl_adapter_image { 62 __u64 flags; 63 __u64 data; 64 __u64 len_data; 65 __u64 len_image; 66 __u64 reserved1; 67 __u64 reserved2; 68 __u64 reserved3; 69 __u64 reserved4; 70 }; 71 #define CXL_MAGIC 0xCA 72 #define CXL_IOCTL_START_WORK _IOW(CXL_MAGIC, 0x00, struct cxl_ioctl_start_work) 73 #define CXL_IOCTL_GET_PROCESS_ELEMENT _IOR(CXL_MAGIC, 0x01, __u32) 74 #define CXL_IOCTL_GET_AFU_ID _IOR(CXL_MAGIC, 0x02, struct cxl_afu_id) 75 #define CXL_IOCTL_DOWNLOAD_IMAGE _IOW(CXL_MAGIC, 0x0A, struct cxl_adapter_image) 76 #define CXL_IOCTL_VALIDATE_IMAGE _IOW(CXL_MAGIC, 0x0B, struct cxl_adapter_image) 77 #define CXL_READ_MIN_SIZE 0x1000 78 enum cxl_event_type { 79 CXL_EVENT_RESERVED = 0, 80 CXL_EVENT_AFU_INTERRUPT = 1, 81 CXL_EVENT_DATA_STORAGE = 2, 82 CXL_EVENT_AFU_ERROR = 3, 83 CXL_EVENT_AFU_DRIVER = 4, 84 }; 85 struct cxl_event_header { 86 __u16 type; 87 __u16 size; 88 __u16 process_element; 89 __u16 reserved1; 90 }; 91 struct cxl_event_afu_interrupt { 92 __u16 flags; 93 __u16 irq; 94 __u32 reserved1; 95 }; 96 struct cxl_event_data_storage { 97 __u16 flags; 98 __u16 reserved1; 99 __u32 reserved2; 100 __u64 addr; 101 __u64 dsisr; 102 __u64 reserved3; 103 }; 104 struct cxl_event_afu_error { 105 __u16 flags; 106 __u16 reserved1; 107 __u32 reserved2; 108 __u64 error; 109 }; 110 struct cxl_event_afu_driver_reserved { 111 __u32 data_size; 112 __u8 data[]; 113 }; 114 struct cxl_event { 115 struct cxl_event_header header; 116 union { 117 struct cxl_event_afu_interrupt irq; 118 struct cxl_event_data_storage fault; 119 struct cxl_event_afu_error afu_error; 120 struct cxl_event_afu_driver_reserved afu_driver_event; 121 }; 122 }; 123 #endif 124