| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 _LINUX_NILFS2_API_H |
| #define _LINUX_NILFS2_API_H |
| #include <linux/types.h> |
| #include <linux/ioctl.h> |
| struct nilfs_cpinfo { |
| __u32 ci_flags; |
| __u32 ci_pad; |
| __u64 ci_cno; |
| __u64 ci_create; |
| __u64 ci_nblk_inc; |
| __u64 ci_inodes_count; |
| __u64 ci_blocks_count; |
| __u64 ci_next; |
| }; |
| enum { |
| NILFS_CPINFO_SNAPSHOT, |
| NILFS_CPINFO_INVALID, |
| NILFS_CPINFO_SKETCH, |
| NILFS_CPINFO_MINOR, |
| }; |
| #define NILFS_CPINFO_FNS(flag,name) static inline int nilfs_cpinfo_ ##name(const struct nilfs_cpinfo * cpinfo) \ |
| { return ! ! (cpinfo->ci_flags & (1UL << NILFS_CPINFO_ ##flag)); \ |
| } |
| struct nilfs_suinfo { |
| __u64 sui_lastmod; |
| __u32 sui_nblocks; |
| __u32 sui_flags; |
| }; |
| enum { |
| NILFS_SUINFO_ACTIVE, |
| NILFS_SUINFO_DIRTY, |
| NILFS_SUINFO_ERROR, |
| }; |
| #define NILFS_SUINFO_FNS(flag,name) static inline int nilfs_suinfo_ ##name(const struct nilfs_suinfo * si) \ |
| { return si->sui_flags & (1UL << NILFS_SUINFO_ ##flag); \ |
| } |
| struct nilfs_suinfo_update { |
| __u64 sup_segnum; |
| __u32 sup_flags; |
| __u32 sup_reserved; |
| struct nilfs_suinfo sup_sui; |
| }; |
| enum { |
| NILFS_SUINFO_UPDATE_LASTMOD, |
| NILFS_SUINFO_UPDATE_NBLOCKS, |
| NILFS_SUINFO_UPDATE_FLAGS, |
| __NR_NILFS_SUINFO_UPDATE_FIELDS, |
| }; |
| #define NILFS_SUINFO_UPDATE_FNS(flag,name) static inline void nilfs_suinfo_update_set_ ##name(struct nilfs_suinfo_update * sup) \ |
| { sup->sup_flags |= 1UL << NILFS_SUINFO_UPDATE_ ##flag; \ |
| } static inline void nilfs_suinfo_update_clear_ ##name(struct nilfs_suinfo_update * sup) \ |
| { sup->sup_flags &= ~(1UL << NILFS_SUINFO_UPDATE_ ##flag); \ |
| } static inline int nilfs_suinfo_update_ ##name(const struct nilfs_suinfo_update * sup) \ |
| { return ! ! (sup->sup_flags & (1UL << NILFS_SUINFO_UPDATE_ ##flag)); \ |
| } |
| enum { |
| NILFS_CHECKPOINT, |
| NILFS_SNAPSHOT, |
| }; |
| struct nilfs_cpmode { |
| __u64 cm_cno; |
| __u32 cm_mode; |
| __u32 cm_pad; |
| }; |
| struct nilfs_argv { |
| __u64 v_base; |
| __u32 v_nmembs; |
| __u16 v_size; |
| __u16 v_flags; |
| __u64 v_index; |
| }; |
| struct nilfs_period { |
| __u64 p_start; |
| __u64 p_end; |
| }; |
| struct nilfs_cpstat { |
| __u64 cs_cno; |
| __u64 cs_ncps; |
| __u64 cs_nsss; |
| }; |
| struct nilfs_sustat { |
| __u64 ss_nsegs; |
| __u64 ss_ncleansegs; |
| __u64 ss_ndirtysegs; |
| __u64 ss_ctime; |
| __u64 ss_nongc_ctime; |
| __u64 ss_prot_seq; |
| }; |
| struct nilfs_vinfo { |
| __u64 vi_vblocknr; |
| __u64 vi_start; |
| __u64 vi_end; |
| __u64 vi_blocknr; |
| }; |
| struct nilfs_vdesc { |
| __u64 vd_ino; |
| __u64 vd_cno; |
| __u64 vd_vblocknr; |
| struct nilfs_period vd_period; |
| __u64 vd_blocknr; |
| __u64 vd_offset; |
| __u32 vd_flags; |
| __u32 vd_pad; |
| }; |
| struct nilfs_bdesc { |
| __u64 bd_ino; |
| __u64 bd_oblocknr; |
| __u64 bd_blocknr; |
| __u64 bd_offset; |
| __u32 bd_level; |
| __u32 bd_pad; |
| }; |
| #define NILFS_IOCTL_IDENT 'n' |
| #define NILFS_IOCTL_CHANGE_CPMODE _IOW(NILFS_IOCTL_IDENT, 0x80, struct nilfs_cpmode) |
| #define NILFS_IOCTL_DELETE_CHECKPOINT _IOW(NILFS_IOCTL_IDENT, 0x81, __u64) |
| #define NILFS_IOCTL_GET_CPINFO _IOR(NILFS_IOCTL_IDENT, 0x82, struct nilfs_argv) |
| #define NILFS_IOCTL_GET_CPSTAT _IOR(NILFS_IOCTL_IDENT, 0x83, struct nilfs_cpstat) |
| #define NILFS_IOCTL_GET_SUINFO _IOR(NILFS_IOCTL_IDENT, 0x84, struct nilfs_argv) |
| #define NILFS_IOCTL_GET_SUSTAT _IOR(NILFS_IOCTL_IDENT, 0x85, struct nilfs_sustat) |
| #define NILFS_IOCTL_GET_VINFO _IOWR(NILFS_IOCTL_IDENT, 0x86, struct nilfs_argv) |
| #define NILFS_IOCTL_GET_BDESCS _IOWR(NILFS_IOCTL_IDENT, 0x87, struct nilfs_argv) |
| #define NILFS_IOCTL_CLEAN_SEGMENTS _IOW(NILFS_IOCTL_IDENT, 0x88, struct nilfs_argv[5]) |
| #define NILFS_IOCTL_SYNC _IOR(NILFS_IOCTL_IDENT, 0x8A, __u64) |
| #define NILFS_IOCTL_RESIZE _IOW(NILFS_IOCTL_IDENT, 0x8B, __u64) |
| #define NILFS_IOCTL_SET_ALLOC_RANGE _IOW(NILFS_IOCTL_IDENT, 0x8C, __u64[2]) |
| #define NILFS_IOCTL_SET_SUINFO _IOW(NILFS_IOCTL_IDENT, 0x8D, struct nilfs_argv) |
| #endif |