//SPDX-License-Identifier: GPL-2.0-or-later /* * Referred from linux kernel -github/torvalds/linux/include/uapi/linux/fcntl.h * Copyright (c) Zilogic Systems Pvt. Ltd., 2018 * Email: code@zilogic.com */ #ifndef LAPI_STAT_H #define LAPI_STAT_H #include #include #include "lapi/syscalls.h" /* * Timestamp structure for the timestamps in struct statx. * * tv_sec holds the number of seconds before (negative) or after (positive) * 00:00:00 1st January 1970 UTC. * * tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time. * * __reserved is held in case we need a yet finer resolution. */ #if defined(HAVE_STRUCT_STATX_TIMESTAMP) #include #else struct statx_timestamp { int64_t tv_sec; uint32_t tv_nsec; int32_t __reserved; }; #endif /* * Structures for the extended file attribute retrieval system call * (statx()). * * The caller passes a mask of what they're specifically interested in as a * parameter to statx(). What statx() actually got will be indicated in * st_mask upon return. * * For each bit in the mask argument: * * - if the datum is not supported: * * - the bit will be cleared, and * * - the datum will be set to an appropriate fabricated value if one is * available (eg. CIFS can take a default uid and gid), otherwise * * - the field will be cleared; * * - otherwise, if explicitly requested: * * - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is * set or if the datum is considered out of date, and * * - the field will be filled in and the bit will be set; * * - otherwise, if not requested, but available in approximate form without any * effort, it will be filled in anyway, and the bit will be set upon return * (it might not be up to date, however, and no attempt will be made to * synchronise the internal state first); * * - otherwise the field and the bit will be cleared before returning. * * Items in STATX_BASIC_STATS may be marked unavailable on return, but they * will have values installed for compatibility purposes so that stat() and * co. can be emulated in userspace. */ #if defined(HAVE_STRUCT_STATX) #include #else struct statx { /* 0x00 */ uint32_t stx_mask; uint32_t stx_blksize; uint64_t stx_attributes; /* 0x10 */ uint32_t stx_nlink; uint32_t stx_uid; uint32_t stx_gid; uint16_t stx_mode; uint16_t __spare0[1]; /* 0x20 */ uint64_t stx_ino; uint64_t stx_size; uint64_t stx_blocks; uint64_t stx_attributes_mask; /* 0x40 */ const struct statx_timestamp stx_atime; const struct statx_timestamp stx_btime; const struct statx_timestamp stx_ctime; const struct statx_timestamp stx_mtime; /* 0x80 */ uint32_t stx_rdev_major; uint32_t stx_rdev_minor; uint32_t stx_dev_major; uint32_t stx_dev_minor; /* 0x90 */ uint64_t __spare2[14]; /* 0x100 */ }; #endif #if !defined(HAVE_STATX) /* * statx: wrapper function of statx * * Returns: It returns status of statx syscall */ static inline int statx(int dirfd, const char *pathname, unsigned int flags, unsigned int mask, struct statx *statxbuf) { return tst_syscall(__NR_statx, dirfd, pathname, flags, mask, statxbuf); } #endif /* * Flags to be stx_mask * * Query request/result mask for statx() and struct statx::stx_mask. * * These bits should be set in the mask argument of statx() to request * particular items when calling statx(). */ #ifndef STATX_TYPE # define STATX_TYPE 0x00000001U #endif #ifndef STATX_MODE # define STATX_MODE 0x00000002U #endif #ifndef STATX_NLINK # define STATX_NLINK 0x00000004U #endif #ifndef STATX_UID # define STATX_UID 0x00000008U #endif #ifndef STATX_GID # define STATX_GID 0x00000010U #endif #ifndef STATX_ATIME # define STATX_ATIME 0x00000020U #endif #ifndef STATX_MTIME # define STATX_MTIME 0x00000040U #endif #ifndef STATX_CTIME # define STATX_CTIME 0x00000080U #endif #ifndef STATX_INO # define STATX_INO 0x00000100U #endif #ifndef STATX_SIZE # define STATX_SIZE 0x00000200U #endif #ifndef STATX_BLOCKS # define STATX_BLOCKS 0x00000400U #endif #ifndef STATX_BASIC_STATS # define STATX_BASIC_STATS 0x000007ffU #endif #ifndef STATX_BTIME # define STATX_BTIME 0x00000800U #endif #ifndef STATX_ALL # define STATX_ALL 0x00000fffU #endif #ifndef STATX__RESERVED # define STATX__RESERVED 0x80000000U #endif /* * Attributes to be found in stx_attributes and masked in stx_attributes_mask. * * These give information about the features or the state of a file that might * be of use to ordinary userspace programs such as GUIs or ls rather than * specialised tools. * * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS * semantically. Where possible, the numerical value is picked to correspond * also. */ #ifndef STATX_ATTR_COMPRESSED # define STATX_ATTR_COMPRESSED 0x00000004 #endif #ifndef STATX_ATTR_IMMUTABLE # define STATX_ATTR_IMMUTABLE 0x00000010 #endif #ifndef STATX_ATTR_APPEND # define STATX_ATTR_APPEND 0x00000020 #endif #ifndef STATX_ATTR_NODUMP # define STATX_ATTR_NODUMP 0x00000040 #endif #ifndef STATX_ATTR_ENCRYPTED # define STATX_ATTR_ENCRYPTED 0x00000800 #endif #ifndef STATX_ATTR_AUTOMOUNT # define STATX_ATTR_AUTOMOUNT 0x00001000 #endif #ifndef AT_SYMLINK_NOFOLLOW # define AT_SYMLINK_NOFOLLOW 0x100 #endif #ifndef AT_REMOVEDIR # define AT_REMOVEDIR 0x200 #endif #ifndef AT_SYMLINK_FOLLOW # define AT_SYMLINK_FOLLOW 0x400 #endif #ifndef AT_NO_AUTOMOUNT # define AT_NO_AUTOMOUNT 0x800 #endif #ifndef AT_EMPTY_PATH # define AT_EMPTY_PATH 0x1000 #endif #ifndef AT_STATX_SYNC_TYPE # define AT_STATX_SYNC_TYPE 0x6000 #endif #ifndef AT_STATX_SYNC_AS_STAT # define AT_STATX_SYNC_AS_STAT 0x0000 #endif #ifndef AT_STATX_FORCE_SYNC # define AT_STATX_FORCE_SYNC 0x2000 #endif #ifndef AT_STATX_DONT_SYNC # define AT_STATX_DONT_SYNC 0x4000 #endif #endif