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Diffstat (limited to 'src/kernel/tests/include/lapi/stat.h')
| -rw-r--r-- | src/kernel/tests/include/lapi/stat.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/src/kernel/tests/include/lapi/stat.h b/src/kernel/tests/include/lapi/stat.h new file mode 100644 index 0000000..979e42d --- /dev/null +++ b/src/kernel/tests/include/lapi/stat.h @@ -0,0 +1,257 @@ +//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 <stdint.h> +#include <unistd.h> +#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 <sys/stat.h> +#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+ * + * - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is + * set or if the datum is considered out of date, and + * + * - the field will be filled in and the bit will be set; + * + * - otherwise, if not requested, but available in approximate form without any + *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 <sys/stat.h> +#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 |