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 __NDCTL_H__ 20 #define __NDCTL_H__ 21 #include <linux/types.h> 22 struct nd_cmd_dimm_flags { 23 __u32 status; 24 __u32 flags; 25 } __packed; 26 struct nd_cmd_get_config_size { 27 __u32 status; 28 __u32 config_size; 29 __u32 max_xfer; 30 } __packed; 31 struct nd_cmd_get_config_data_hdr { 32 __u32 in_offset; 33 __u32 in_length; 34 __u32 status; 35 __u8 out_buf[0]; 36 } __packed; 37 struct nd_cmd_set_config_hdr { 38 __u32 in_offset; 39 __u32 in_length; 40 __u8 in_buf[0]; 41 } __packed; 42 struct nd_cmd_vendor_hdr { 43 __u32 opcode; 44 __u32 in_length; 45 __u8 in_buf[0]; 46 } __packed; 47 struct nd_cmd_vendor_tail { 48 __u32 status; 49 __u32 out_length; 50 __u8 out_buf[0]; 51 } __packed; 52 struct nd_cmd_ars_cap { 53 __u64 address; 54 __u64 length; 55 __u32 status; 56 __u32 max_ars_out; 57 __u32 clear_err_unit; 58 __u16 flags; 59 __u16 reserved; 60 } __packed; 61 struct nd_cmd_ars_start { 62 __u64 address; 63 __u64 length; 64 __u16 type; 65 __u8 flags; 66 __u8 reserved[5]; 67 __u32 status; 68 __u32 scrub_time; 69 } __packed; 70 struct nd_cmd_ars_status { 71 __u32 status; 72 __u32 out_length; 73 __u64 address; 74 __u64 length; 75 __u64 restart_address; 76 __u64 restart_length; 77 __u16 type; 78 __u16 flags; 79 __u32 num_records; 80 struct nd_ars_record { 81 __u32 handle; 82 __u32 reserved; 83 __u64 err_address; 84 __u64 length; 85 } __packed records[0]; 86 } __packed; 87 struct nd_cmd_clear_error { 88 __u64 address; 89 __u64 length; 90 __u32 status; 91 __u8 reserved[4]; 92 __u64 cleared; 93 } __packed; 94 enum { 95 ND_CMD_IMPLEMENTED = 0, 96 ND_CMD_ARS_CAP = 1, 97 ND_CMD_ARS_START = 2, 98 ND_CMD_ARS_STATUS = 3, 99 ND_CMD_CLEAR_ERROR = 4, 100 ND_CMD_SMART = 1, 101 ND_CMD_SMART_THRESHOLD = 2, 102 ND_CMD_DIMM_FLAGS = 3, 103 ND_CMD_GET_CONFIG_SIZE = 4, 104 ND_CMD_GET_CONFIG_DATA = 5, 105 ND_CMD_SET_CONFIG_DATA = 6, 106 ND_CMD_VENDOR_EFFECT_LOG_SIZE = 7, 107 ND_CMD_VENDOR_EFFECT_LOG = 8, 108 ND_CMD_VENDOR = 9, 109 ND_CMD_CALL = 10, 110 }; 111 enum { 112 ND_ARS_VOLATILE = 1, 113 ND_ARS_PERSISTENT = 2, 114 ND_ARS_RETURN_PREV_DATA = 1 << 1, 115 ND_CONFIG_LOCKED = 1, 116 }; 117 #define ND_IOCTL 'N' 118 #define ND_IOCTL_DIMM_FLAGS _IOWR(ND_IOCTL, ND_CMD_DIMM_FLAGS, struct nd_cmd_dimm_flags) 119 #define ND_IOCTL_GET_CONFIG_SIZE _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_SIZE, struct nd_cmd_get_config_size) 120 #define ND_IOCTL_GET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_GET_CONFIG_DATA, struct nd_cmd_get_config_data_hdr) 121 #define ND_IOCTL_SET_CONFIG_DATA _IOWR(ND_IOCTL, ND_CMD_SET_CONFIG_DATA, struct nd_cmd_set_config_hdr) 122 #define ND_IOCTL_VENDOR _IOWR(ND_IOCTL, ND_CMD_VENDOR, struct nd_cmd_vendor_hdr) 123 #define ND_IOCTL_ARS_CAP _IOWR(ND_IOCTL, ND_CMD_ARS_CAP, struct nd_cmd_ars_cap) 124 #define ND_IOCTL_ARS_START _IOWR(ND_IOCTL, ND_CMD_ARS_START, struct nd_cmd_ars_start) 125 #define ND_IOCTL_ARS_STATUS _IOWR(ND_IOCTL, ND_CMD_ARS_STATUS, struct nd_cmd_ars_status) 126 #define ND_IOCTL_CLEAR_ERROR _IOWR(ND_IOCTL, ND_CMD_CLEAR_ERROR, struct nd_cmd_clear_error) 127 #define ND_DEVICE_DIMM 1 128 #define ND_DEVICE_REGION_PMEM 2 129 #define ND_DEVICE_REGION_BLK 3 130 #define ND_DEVICE_NAMESPACE_IO 4 131 #define ND_DEVICE_NAMESPACE_PMEM 5 132 #define ND_DEVICE_NAMESPACE_BLK 6 133 #define ND_DEVICE_DAX_PMEM 7 134 enum nd_driver_flags { 135 ND_DRIVER_DIMM = 1 << ND_DEVICE_DIMM, 136 ND_DRIVER_REGION_PMEM = 1 << ND_DEVICE_REGION_PMEM, 137 ND_DRIVER_REGION_BLK = 1 << ND_DEVICE_REGION_BLK, 138 ND_DRIVER_NAMESPACE_IO = 1 << ND_DEVICE_NAMESPACE_IO, 139 ND_DRIVER_NAMESPACE_PMEM = 1 << ND_DEVICE_NAMESPACE_PMEM, 140 ND_DRIVER_NAMESPACE_BLK = 1 << ND_DEVICE_NAMESPACE_BLK, 141 ND_DRIVER_DAX_PMEM = 1 << ND_DEVICE_DAX_PMEM, 142 }; 143 enum ars_masks { 144 ARS_STATUS_MASK = 0x0000FFFF, 145 ARS_EXT_STATUS_SHIFT = 16, 146 }; 147 struct nd_cmd_pkg { 148 __u64 nd_family; 149 __u64 nd_command; 150 __u32 nd_size_in; 151 __u32 nd_size_out; 152 __u32 nd_reserved2[9]; 153 __u32 nd_fw_size; 154 unsigned char nd_payload[]; 155 }; 156 #define NVDIMM_FAMILY_INTEL 0 157 #define NVDIMM_FAMILY_HPE1 1 158 #define NVDIMM_FAMILY_HPE2 2 159 #define NVDIMM_FAMILY_MSFT 3 160 #define ND_IOCTL_CALL _IOWR(ND_IOCTL, ND_CMD_CALL, struct nd_cmd_pkg) 161 #endif 162
