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 enum { 62 NVM_CONFIG_TYPE_SIMPLE = 0, 63 }; 64 struct nvm_ioctl_create_conf { 65 __u32 type; 66 union { 67 struct nvm_ioctl_create_simple s; 68 }; 69 }; 70 struct nvm_ioctl_create { 71 char dev[DISK_NAME_LEN]; 72 char tgttype[NVM_TTYPE_NAME_MAX]; 73 char tgtname[DISK_NAME_LEN]; 74 __u32 flags; 75 struct nvm_ioctl_create_conf conf; 76 }; 77 struct nvm_ioctl_remove { 78 char tgtname[DISK_NAME_LEN]; 79 __u32 flags; 80 }; 81 struct nvm_ioctl_dev_init { 82 char dev[DISK_NAME_LEN]; 83 char mmtype[NVM_MMTYPE_LEN]; 84 __u32 flags; 85 }; 86 enum { 87 NVM_FACTORY_ERASE_ONLY_USER = 1 << 0, 88 NVM_FACTORY_RESET_HOST_BLKS = 1 << 1, 89 NVM_FACTORY_RESET_GRWN_BBLKS = 1 << 2, 90 NVM_FACTORY_NR_BITS = 1 << 3, 91 }; 92 struct nvm_ioctl_dev_factory { 93 char dev[DISK_NAME_LEN]; 94 __u32 flags; 95 }; 96 enum { 97 NVM_INFO_CMD = 0x20, 98 NVM_GET_DEVICES_CMD, 99 NVM_DEV_CREATE_CMD, 100 NVM_DEV_REMOVE_CMD, 101 NVM_DEV_INIT_CMD, 102 NVM_DEV_FACTORY_CMD, 103 }; 104 #define NVM_IOCTL 'L' 105 #define NVM_INFO _IOWR(NVM_IOCTL, NVM_INFO_CMD, struct nvm_ioctl_info) 106 #define NVM_GET_DEVICES _IOR(NVM_IOCTL, NVM_GET_DEVICES_CMD, struct nvm_ioctl_get_devices) 107 #define NVM_DEV_CREATE _IOW(NVM_IOCTL, NVM_DEV_CREATE_CMD, struct nvm_ioctl_create) 108 #define NVM_DEV_REMOVE _IOW(NVM_IOCTL, NVM_DEV_REMOVE_CMD, struct nvm_ioctl_remove) 109 #define NVM_DEV_INIT _IOW(NVM_IOCTL, NVM_DEV_INIT_CMD, struct nvm_ioctl_dev_init) 110 #define NVM_DEV_FACTORY _IOW(NVM_IOCTL, NVM_DEV_FACTORY_CMD, struct nvm_ioctl_dev_factory) 111 #define NVM_VERSION_MAJOR 1 112 #define NVM_VERSION_MINOR 0 113 #define NVM_VERSION_PATCHLEVEL 0 114 #endif 115
