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_LIGHTNVM_H 20 #define _UAPI_LINUX_LIGHTNVM_H 21 #include <stdio.h> 22 #include <sys/ioctl.h> 23 #define DISK_NAME_LEN 32 24 #include <linux/types.h> 25 #include <linux/ioctl.h> 26 #define NVM_TTYPE_NAME_MAX 48 27 #define NVM_TTYPE_MAX 63 28 #define NVM_MMTYPE_LEN 8 29 #define NVM_CTRL_FILE "/dev/lightnvm/control" 30 struct nvm_ioctl_info_tgt { 31 __u32 version[3]; 32 __u32 reserved; 33 char tgtname[NVM_TTYPE_NAME_MAX]; 34 }; 35 struct nvm_ioctl_info { 36 __u32 version[3]; 37 __u16 tgtsize; 38 __u16 reserved16; 39 __u32 reserved[12]; 40 struct nvm_ioctl_info_tgt tgts[NVM_TTYPE_MAX]; 41 }; 42 enum { 43 NVM_DEVICE_ACTIVE = 1 << 0, 44 }; 45 struct nvm_ioctl_device_info { 46 char devname[DISK_NAME_LEN]; 47 char bmname[NVM_TTYPE_NAME_MAX]; 48 __u32 bmversion[3]; 49 __u32 flags; 50 __u32 reserved[8]; 51 }; 52 struct nvm_ioctl_get_devices { 53 __u32 nr_devices; 54 __u32 reserved[31]; 55 struct nvm_ioctl_device_info info[31]; 56 }; 57 struct nvm_ioctl_create_simple { 58 __u32 lun_begin; 59 __u32 lun_end; 60 }; 61 struct nvm_ioctl_create_extended { 62 __u16 lun_begin; 63 __u16 lun_end; 64 __u16 op; 65 __u16 rsv; 66 }; 67 enum { 68 NVM_CONFIG_TYPE_SIMPLE = 0, 69 NVM_CONFIG_TYPE_EXTENDED = 1, 70 }; 71 struct nvm_ioctl_create_conf { 72 __u32 type; 73 union { 74 struct nvm_ioctl_create_simple s; 75 struct nvm_ioctl_create_extended e; 76 }; 77 }; 78 enum { 79 NVM_TARGET_FACTORY = 1 << 0, 80 }; 81 struct nvm_ioctl_create { 82 char dev[DISK_NAME_LEN]; 83 char tgttype[NVM_TTYPE_NAME_MAX]; 84 char tgtname[DISK_NAME_LEN]; 85 __u32 flags; 86 struct nvm_ioctl_create_conf conf; 87 }; 88 struct nvm_ioctl_remove { 89 char tgtname[DISK_NAME_LEN]; 90 __u32 flags; 91 }; 92 struct nvm_ioctl_dev_init { 93 char dev[DISK_NAME_LEN]; 94 char mmtype[NVM_MMTYPE_LEN]; 95 __u32 flags; 96 }; 97 enum { 98 NVM_FACTORY_ERASE_ONLY_USER = 1 << 0, 99 NVM_FACTORY_RESET_HOST_BLKS = 1 << 1, 100 NVM_FACTORY_RESET_GRWN_BBLKS = 1 << 2, 101 NVM_FACTORY_NR_BITS = 1 << 3, 102 }; 103 struct nvm_ioctl_dev_factory { 104 char dev[DISK_NAME_LEN]; 105 __u32 flags; 106 }; 107 struct nvm_user_vio { 108 __u8 opcode; 109 __u8 flags; 110 __u16 control; 111 __u16 nppas; 112 __u16 rsvd; 113 __u64 metadata; 114 __u64 addr; 115 __u64 ppa_list; 116 __u32 metadata_len; 117 __u32 data_len; 118 __u64 status; 119 __u32 result; 120 __u32 rsvd3[3]; 121 }; 122 struct nvm_passthru_vio { 123 __u8 opcode; 124 __u8 flags; 125 __u8 rsvd[2]; 126 __u32 nsid; 127 __u32 cdw2; 128 __u32 cdw3; 129 __u64 metadata; 130 __u64 addr; 131 __u32 metadata_len; 132 __u32 data_len; 133 __u64 ppa_list; 134 __u16 nppas; 135 __u16 control; 136 __u32 cdw13; 137 __u32 cdw14; 138 __u32 cdw15; 139 __u64 status; 140 __u32 result; 141 __u32 timeout_ms; 142 }; 143 enum { 144 NVM_INFO_CMD = 0x20, 145 NVM_GET_DEVICES_CMD, 146 NVM_DEV_CREATE_CMD, 147 NVM_DEV_REMOVE_CMD, 148 NVM_DEV_INIT_CMD, 149 NVM_DEV_FACTORY_CMD, 150 NVM_DEV_VIO_ADMIN_CMD = 0x41, 151 NVM_DEV_VIO_CMD = 0x42, 152 NVM_DEV_VIO_USER_CMD = 0x43, 153 }; 154 #define NVM_IOCTL 'L' 155 #define NVM_INFO _IOWR(NVM_IOCTL, NVM_INFO_CMD, struct nvm_ioctl_info) 156 #define NVM_GET_DEVICES _IOR(NVM_IOCTL, NVM_GET_DEVICES_CMD, struct nvm_ioctl_get_devices) 157 #define NVM_DEV_CREATE _IOW(NVM_IOCTL, NVM_DEV_CREATE_CMD, struct nvm_ioctl_create) 158 #define NVM_DEV_REMOVE _IOW(NVM_IOCTL, NVM_DEV_REMOVE_CMD, struct nvm_ioctl_remove) 159 #define NVM_DEV_INIT _IOW(NVM_IOCTL, NVM_DEV_INIT_CMD, struct nvm_ioctl_dev_init) 160 #define NVM_DEV_FACTORY _IOW(NVM_IOCTL, NVM_DEV_FACTORY_CMD, struct nvm_ioctl_dev_factory) 161 #define NVME_NVM_IOCTL_IO_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_USER_CMD, struct nvm_passthru_vio) 162 #define NVME_NVM_IOCTL_ADMIN_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_ADMIN_CMD, struct nvm_passthru_vio) 163 #define NVME_NVM_IOCTL_SUBMIT_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_CMD, struct nvm_user_vio) 164 #define NVM_VERSION_MAJOR 1 165 #define NVM_VERSION_MINOR 0 166 #define NVM_VERSION_PATCHLEVEL 0 167 #endif 168
