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 struct nilfs_suinfo { 43 __u64 sui_lastmod; 44 __u32 sui_nblocks; 45 __u32 sui_flags; 46 }; 47 enum { 48 NILFS_SUINFO_ACTIVE, 49 NILFS_SUINFO_DIRTY, 50 NILFS_SUINFO_ERROR, 51 }; 52 #define NILFS_SUINFO_FNS(flag,name) static inline int nilfs_suinfo_ ##name(const struct nilfs_suinfo * si) \ 53 { return si->sui_flags & (1UL << NILFS_SUINFO_ ##flag); \ 54 } 55 struct nilfs_suinfo_update { 56 __u64 sup_segnum; 57 __u32 sup_flags; 58 __u32 sup_reserved; 59 struct nilfs_suinfo sup_sui; 60 }; 61 enum { 62 NILFS_SUINFO_UPDATE_LASTMOD, 63 NILFS_SUINFO_UPDATE_NBLOCKS, 64 NILFS_SUINFO_UPDATE_FLAGS, 65 __NR_NILFS_SUINFO_UPDATE_FIELDS, 66 }; 67 #define NILFS_SUINFO_UPDATE_FNS(flag,name) static inline void nilfs_suinfo_update_set_ ##name(struct nilfs_suinfo_update * sup) \ 68 { sup->sup_flags |= 1UL << NILFS_SUINFO_UPDATE_ ##flag; \ 69 } static inline void nilfs_suinfo_update_clear_ ##name(struct nilfs_suinfo_update * sup) \ 70 { sup->sup_flags &= ~(1UL << NILFS_SUINFO_UPDATE_ ##flag); \ 71 } static inline int nilfs_suinfo_update_ ##name(const struct nilfs_suinfo_update * sup) \ 72 { return ! ! (sup->sup_flags & (1UL << NILFS_SUINFO_UPDATE_ ##flag)); \ 73 } 74 enum { 75 NILFS_CHECKPOINT, 76 NILFS_SNAPSHOT, 77 }; 78 struct nilfs_cpmode { 79 __u64 cm_cno; 80 __u32 cm_mode; 81 __u32 cm_pad; 82 }; 83 struct nilfs_argv { 84 __u64 v_base; 85 __u32 v_nmembs; 86 __u16 v_size; 87 __u16 v_flags; 88 __u64 v_index; 89 }; 90 struct nilfs_period { 91 __u64 p_start; 92 __u64 p_end; 93 }; 94 struct nilfs_cpstat { 95 __u64 cs_cno; 96 __u64 cs_ncps; 97 __u64 cs_nsss; 98 }; 99 struct nilfs_sustat { 100 __u64 ss_nsegs; 101 __u64 ss_ncleansegs; 102 __u64 ss_ndirtysegs; 103 __u64 ss_ctime; 104 __u64 ss_nongc_ctime; 105 __u64 ss_prot_seq; 106 }; 107 struct nilfs_vinfo { 108 __u64 vi_vblocknr; 109 __u64 vi_start; 110 __u64 vi_end; 111 __u64 vi_blocknr; 112 }; 113 struct nilfs_vdesc { 114 __u64 vd_ino; 115 __u64 vd_cno; 116 __u64 vd_vblocknr; 117 struct nilfs_period vd_period; 118 __u64 vd_blocknr; 119 __u64 vd_offset; 120 __u32 vd_flags; 121 __u32 vd_pad; 122 }; 123 struct nilfs_bdesc { 124 __u64 bd_ino; 125 __u64 bd_oblocknr; 126 __u64 bd_blocknr; 127 __u64 bd_offset; 128 __u32 bd_level; 129 __u32 bd_pad; 130 }; 131 #define NILFS_IOCTL_IDENT 'n' 132 #define NILFS_IOCTL_CHANGE_CPMODE _IOW(NILFS_IOCTL_IDENT, 0x80, struct nilfs_cpmode) 133 #define NILFS_IOCTL_DELETE_CHECKPOINT _IOW(NILFS_IOCTL_IDENT, 0x81, __u64) 134 #define NILFS_IOCTL_GET_CPINFO _IOR(NILFS_IOCTL_IDENT, 0x82, struct nilfs_argv) 135 #define NILFS_IOCTL_GET_CPSTAT _IOR(NILFS_IOCTL_IDENT, 0x83, struct nilfs_cpstat) 136 #define NILFS_IOCTL_GET_SUINFO _IOR(NILFS_IOCTL_IDENT, 0x84, struct nilfs_argv) 137 #define NILFS_IOCTL_GET_SUSTAT _IOR(NILFS_IOCTL_IDENT, 0x85, struct nilfs_sustat) 138 #define NILFS_IOCTL_GET_VINFO _IOWR(NILFS_IOCTL_IDENT, 0x86, struct nilfs_argv) 139 #define NILFS_IOCTL_GET_BDESCS _IOWR(NILFS_IOCTL_IDENT, 0x87, struct nilfs_argv) 140 #define NILFS_IOCTL_CLEAN_SEGMENTS _IOW(NILFS_IOCTL_IDENT, 0x88, struct nilfs_argv[5]) 141 #define NILFS_IOCTL_SYNC _IOR(NILFS_IOCTL_IDENT, 0x8A, __u64) 142 #define NILFS_IOCTL_RESIZE _IOW(NILFS_IOCTL_IDENT, 0x8B, __u64) 143 #define NILFS_IOCTL_SET_ALLOC_RANGE _IOW(NILFS_IOCTL_IDENT, 0x8C, __u64[2]) 144 #define NILFS_IOCTL_SET_SUINFO _IOW(NILFS_IOCTL_IDENT, 0x8D, struct nilfs_argv) 145 #endif 146
