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 _LINUX_NILFS2_API_H 20 #define _LINUX_NILFS2_API_H 21 #include <linux/types.h> 22 #include <linux/ioctl.h> 23 struct nilfs_cpinfo { 24 __u32 ci_flags; 25 __u32 ci_pad; 26 __u64 ci_cno; 27 __u64 ci_create; 28 __u64 ci_nblk_inc; 29 __u64 ci_inodes_count; 30 __u64 ci_blocks_count; 31 __u64 ci_next; 32 }; 33 enum { 34 NILFS_CPINFO_SNAPSHOT, 35 NILFS_CPINFO_INVALID, 36 NILFS_CPINFO_SKETCH, 37 NILFS_CPINFO_MINOR, 38 }; 39 #define NILFS_CPINFO_FNS(flag,name) static inline int nilfs_cpinfo_ ##name(const struct nilfs_cpinfo * cpinfo) \ 40 { return ! ! (cpinfo->ci_flags & (1UL << NILFS_CPINFO_ ##flag)); \ 41 } 42 #define NILFS_SUINFO_FNS(flag,name) static inline int nilfs_suinfo_ ##name(const struct nilfs_suinfo * si) \ 43 { return si->sui_flags & (1UL << NILFS_SUINFO_ ##flag); \ 44 } 45 struct nilfs_suinfo_update { 46 __u64 sup_segnum; 47 __u32 sup_flags; 48 __u32 sup_reserved; 49 struct nilfs_suinfo sup_sui; 50 }; 51 enum { 52 NILFS_SUINFO_UPDATE_LASTMOD, 53 NILFS_SUINFO_UPDATE_NBLOCKS, 54 NILFS_SUINFO_UPDATE_FLAGS, 55 __NR_NILFS_SUINFO_UPDATE_FIELDS, 56 }; 57 #define NILFS_SUINFO_UPDATE_FNS(flag,name) static inline void nilfs_suinfo_update_set_ ##name(struct nilfs_suinfo_update * sup) \ 58 { sup->sup_flags |= 1UL << NILFS_SUINFO_UPDATE_ ##flag; \ 59 } static inline void nilfs_suinfo_update_clear_ ##name(struct nilfs_suinfo_update * sup) \ 60 { sup->sup_flags &= ~(1UL << NILFS_SUINFO_UPDATE_ ##flag); \ 61 } static inline int nilfs_suinfo_update_ ##name(const struct nilfs_suinfo_update * sup) \ 62 { return ! ! (sup->sup_flags & (1UL << NILFS_SUINFO_UPDATE_ ##flag)); \ 63 } 64 struct nilfs_argv { 65 __u64 v_base; 66 __u32 v_nmembs; 67 __u16 v_size; 68 __u16 v_flags; 69 __u64 v_index; 70 }; 71 struct nilfs_period { 72 __u64 p_start; 73 __u64 p_end; 74 }; 75 struct nilfs_cpstat { 76 __u64 cs_cno; 77 __u64 cs_ncps; 78 __u64 cs_nsss; 79 }; 80 struct nilfs_sustat { 81 __u64 ss_nsegs; 82 __u64 ss_ncleansegs; 83 __u64 ss_ndirtysegs; 84 __u64 ss_ctime; 85 __u64 ss_nongc_ctime; 86 __u64 ss_prot_seq; 87 }; 88 struct nilfs_vinfo { 89 __u64 vi_vblocknr; 90 __u64 vi_start; 91 __u64 vi_end; 92 __u64 vi_blocknr; 93 }; 94 struct nilfs_vdesc { 95 __u64 vd_ino; 96 __u64 vd_cno; 97 __u64 vd_vblocknr; 98 struct nilfs_period vd_period; 99 __u64 vd_blocknr; 100 __u64 vd_offset; 101 __u32 vd_flags; 102 __u32 vd_pad; 103 }; 104 struct nilfs_bdesc { 105 __u64 bd_ino; 106 __u64 bd_oblocknr; 107 __u64 bd_blocknr; 108 __u64 bd_offset; 109 __u32 bd_level; 110 __u32 bd_pad; 111 }; 112 #define NILFS_IOCTL_IDENT 'n' 113 #define NILFS_IOCTL_CHANGE_CPMODE _IOW(NILFS_IOCTL_IDENT, 0x80, struct nilfs_cpmode) 114 #define NILFS_IOCTL_DELETE_CHECKPOINT _IOW(NILFS_IOCTL_IDENT, 0x81, __u64) 115 #define NILFS_IOCTL_GET_CPINFO _IOR(NILFS_IOCTL_IDENT, 0x82, struct nilfs_argv) 116 #define NILFS_IOCTL_GET_CPSTAT _IOR(NILFS_IOCTL_IDENT, 0x83, struct nilfs_cpstat) 117 #define NILFS_IOCTL_GET_SUINFO _IOR(NILFS_IOCTL_IDENT, 0x84, struct nilfs_argv) 118 #define NILFS_IOCTL_GET_SUSTAT _IOR(NILFS_IOCTL_IDENT, 0x85, struct nilfs_sustat) 119 #define NILFS_IOCTL_GET_VINFO _IOWR(NILFS_IOCTL_IDENT, 0x86, struct nilfs_argv) 120 #define NILFS_IOCTL_GET_BDESCS _IOWR(NILFS_IOCTL_IDENT, 0x87, struct nilfs_argv) 121 #define NILFS_IOCTL_CLEAN_SEGMENTS _IOW(NILFS_IOCTL_IDENT, 0x88, struct nilfs_argv[5]) 122 #define NILFS_IOCTL_SYNC _IOR(NILFS_IOCTL_IDENT, 0x8A, __u64) 123 #define NILFS_IOCTL_RESIZE _IOW(NILFS_IOCTL_IDENT, 0x8B, __u64) 124 #define NILFS_IOCTL_SET_ALLOC_RANGE _IOW(NILFS_IOCTL_IDENT, 0x8C, __u64[2]) 125 #define NILFS_IOCTL_SET_SUINFO _IOW(NILFS_IOCTL_IDENT, 0x8D, struct nilfs_argv) 126 #endif 127