|  | /**************************************************************************** | 
|  | **************************************************************************** | 
|  | *** | 
|  | ***   This header was automatically generated from a Linux kernel header | 
|  | ***   of the same name, to make information necessary for userspace to | 
|  | ***   call into the kernel available to libc.  It contains only constants, | 
|  | ***   structures, and macros generated from the original header, and thus, | 
|  | ***   contains no copyrightable information. | 
|  | *** | 
|  | ***   To edit the content of this header, modify the corresponding | 
|  | ***   source file (e.g. under external/kernel-headers/original/) then | 
|  | ***   run bionic/libc/kernel/tools/update_all.py | 
|  | *** | 
|  | ***   Any manual change here will be lost the next time this script will | 
|  | ***   be run. You've been warned! | 
|  | *** | 
|  | **************************************************************************** | 
|  | ****************************************************************************/ | 
|  | #ifndef _UAPI_LINUX_LIGHTNVM_H | 
|  | #define _UAPI_LINUX_LIGHTNVM_H | 
|  | #include <stdio.h> | 
|  | #include <sys/ioctl.h> | 
|  | #define DISK_NAME_LEN 32 | 
|  | #include <linux/types.h> | 
|  | #include <linux/ioctl.h> | 
|  | #define NVM_TTYPE_NAME_MAX 48 | 
|  | #define NVM_TTYPE_MAX 63 | 
|  | #define NVM_MMTYPE_LEN 8 | 
|  | #define NVM_CTRL_FILE "/dev/lightnvm/control" | 
|  | struct nvm_ioctl_info_tgt { | 
|  | __u32 version[3]; | 
|  | __u32 reserved; | 
|  | char tgtname[NVM_TTYPE_NAME_MAX]; | 
|  | }; | 
|  | struct nvm_ioctl_info { | 
|  | __u32 version[3]; | 
|  | __u16 tgtsize; | 
|  | __u16 reserved16; | 
|  | __u32 reserved[12]; | 
|  | struct nvm_ioctl_info_tgt tgts[NVM_TTYPE_MAX]; | 
|  | }; | 
|  | enum { | 
|  | NVM_DEVICE_ACTIVE = 1 << 0, | 
|  | }; | 
|  | struct nvm_ioctl_device_info { | 
|  | char devname[DISK_NAME_LEN]; | 
|  | char bmname[NVM_TTYPE_NAME_MAX]; | 
|  | __u32 bmversion[3]; | 
|  | __u32 flags; | 
|  | __u32 reserved[8]; | 
|  | }; | 
|  | struct nvm_ioctl_get_devices { | 
|  | __u32 nr_devices; | 
|  | __u32 reserved[31]; | 
|  | struct nvm_ioctl_device_info info[31]; | 
|  | }; | 
|  | struct nvm_ioctl_create_simple { | 
|  | __u32 lun_begin; | 
|  | __u32 lun_end; | 
|  | }; | 
|  | struct nvm_ioctl_create_extended { | 
|  | __u16 lun_begin; | 
|  | __u16 lun_end; | 
|  | __u16 op; | 
|  | __u16 rsv; | 
|  | }; | 
|  | enum { | 
|  | NVM_CONFIG_TYPE_SIMPLE = 0, | 
|  | NVM_CONFIG_TYPE_EXTENDED = 1, | 
|  | }; | 
|  | struct nvm_ioctl_create_conf { | 
|  | __u32 type; | 
|  | union { | 
|  | struct nvm_ioctl_create_simple s; | 
|  | struct nvm_ioctl_create_extended e; | 
|  | }; | 
|  | }; | 
|  | enum { | 
|  | NVM_TARGET_FACTORY = 1 << 0, | 
|  | }; | 
|  | struct nvm_ioctl_create { | 
|  | char dev[DISK_NAME_LEN]; | 
|  | char tgttype[NVM_TTYPE_NAME_MAX]; | 
|  | char tgtname[DISK_NAME_LEN]; | 
|  | __u32 flags; | 
|  | struct nvm_ioctl_create_conf conf; | 
|  | }; | 
|  | struct nvm_ioctl_remove { | 
|  | char tgtname[DISK_NAME_LEN]; | 
|  | __u32 flags; | 
|  | }; | 
|  | struct nvm_ioctl_dev_init { | 
|  | char dev[DISK_NAME_LEN]; | 
|  | char mmtype[NVM_MMTYPE_LEN]; | 
|  | __u32 flags; | 
|  | }; | 
|  | enum { | 
|  | NVM_FACTORY_ERASE_ONLY_USER = 1 << 0, | 
|  | NVM_FACTORY_RESET_HOST_BLKS = 1 << 1, | 
|  | NVM_FACTORY_RESET_GRWN_BBLKS = 1 << 2, | 
|  | NVM_FACTORY_NR_BITS = 1 << 3, | 
|  | }; | 
|  | struct nvm_ioctl_dev_factory { | 
|  | char dev[DISK_NAME_LEN]; | 
|  | __u32 flags; | 
|  | }; | 
|  | struct nvm_user_vio { | 
|  | __u8 opcode; | 
|  | __u8 flags; | 
|  | __u16 control; | 
|  | __u16 nppas; | 
|  | __u16 rsvd; | 
|  | __u64 metadata; | 
|  | __u64 addr; | 
|  | __u64 ppa_list; | 
|  | __u32 metadata_len; | 
|  | __u32 data_len; | 
|  | __u64 status; | 
|  | __u32 result; | 
|  | __u32 rsvd3[3]; | 
|  | }; | 
|  | struct nvm_passthru_vio { | 
|  | __u8 opcode; | 
|  | __u8 flags; | 
|  | __u8 rsvd[2]; | 
|  | __u32 nsid; | 
|  | __u32 cdw2; | 
|  | __u32 cdw3; | 
|  | __u64 metadata; | 
|  | __u64 addr; | 
|  | __u32 metadata_len; | 
|  | __u32 data_len; | 
|  | __u64 ppa_list; | 
|  | __u16 nppas; | 
|  | __u16 control; | 
|  | __u32 cdw13; | 
|  | __u32 cdw14; | 
|  | __u32 cdw15; | 
|  | __u64 status; | 
|  | __u32 result; | 
|  | __u32 timeout_ms; | 
|  | }; | 
|  | enum { | 
|  | NVM_INFO_CMD = 0x20, | 
|  | NVM_GET_DEVICES_CMD, | 
|  | NVM_DEV_CREATE_CMD, | 
|  | NVM_DEV_REMOVE_CMD, | 
|  | NVM_DEV_INIT_CMD, | 
|  | NVM_DEV_FACTORY_CMD, | 
|  | NVM_DEV_VIO_ADMIN_CMD = 0x41, | 
|  | NVM_DEV_VIO_CMD = 0x42, | 
|  | NVM_DEV_VIO_USER_CMD = 0x43, | 
|  | }; | 
|  | #define NVM_IOCTL 'L' | 
|  | #define NVM_INFO _IOWR(NVM_IOCTL, NVM_INFO_CMD, struct nvm_ioctl_info) | 
|  | #define NVM_GET_DEVICES _IOR(NVM_IOCTL, NVM_GET_DEVICES_CMD, struct nvm_ioctl_get_devices) | 
|  | #define NVM_DEV_CREATE _IOW(NVM_IOCTL, NVM_DEV_CREATE_CMD, struct nvm_ioctl_create) | 
|  | #define NVM_DEV_REMOVE _IOW(NVM_IOCTL, NVM_DEV_REMOVE_CMD, struct nvm_ioctl_remove) | 
|  | #define NVM_DEV_INIT _IOW(NVM_IOCTL, NVM_DEV_INIT_CMD, struct nvm_ioctl_dev_init) | 
|  | #define NVM_DEV_FACTORY _IOW(NVM_IOCTL, NVM_DEV_FACTORY_CMD, struct nvm_ioctl_dev_factory) | 
|  | #define NVME_NVM_IOCTL_IO_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_USER_CMD, struct nvm_passthru_vio) | 
|  | #define NVME_NVM_IOCTL_ADMIN_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_ADMIN_CMD, struct nvm_passthru_vio) | 
|  | #define NVME_NVM_IOCTL_SUBMIT_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_CMD, struct nvm_user_vio) | 
|  | #define NVM_VERSION_MAJOR 1 | 
|  | #define NVM_VERSION_MINOR 0 | 
|  | #define NVM_VERSION_PATCHLEVEL 0 | 
|  | #endif |