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/openbmc/linux/tools/testing/selftests/fchmodat2/
H A Dfchmodat2_test.c12 int sys_fchmodat2(int dfd, const char *filename, mode_t mode, int flags) in sys_fchmodat2() argument
14 int ret = syscall(__NR_fchmodat2, dfd, filename, mode, flags); in sys_fchmodat2()
21 int dfd, ret; in setup_testdir() local
28 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
29 if (dfd < 0) in setup_testdir()
32 ret = openat(dfd, "regfile", O_CREAT | O_WRONLY | O_TRUNC, 0644); in setup_testdir()
38 ret = symlinkat("regfile", dfd, "symlink"); in setup_testdir()
43 return dfd; in setup_testdir()
46 int expect_mode(int dfd, const char *filename, mode_t expect_mode) in expect_mode() argument
49 int ret = fstatat(dfd, filename, &st, AT_SYMLINK_NOFOLLOW); in expect_mode()
[all …]
/openbmc/linux/fs/
H A Dutimes.c80 static int do_utimes_path(int dfd, const char __user *filename, in do_utimes_path() argument
95 error = user_path_at(dfd, filename, lookup_flags, &path); in do_utimes_path()
127 * @dfd: open file descriptor, -1 or AT_FDCWD
132 * If filename is NULL and dfd refers to an open file, then operate on
133 * the file. Otherwise look up filename, possibly using dfd as a
140 long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, in do_utimes() argument
143 if (filename == NULL && dfd != AT_FDCWD) in do_utimes()
144 return do_utimes_fd(dfd, times, flags); in do_utimes()
145 return do_utimes_path(dfd, filename, times, flags); in do_utimes()
148 SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
[all …]
H A Dstat.c219 * @dfd: A file descriptor representing the base dir for a relative filename
232 static int vfs_statx(int dfd, struct filename *filename, int flags, in vfs_statx() argument
244 error = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in vfs_statx()
274 int vfs_fstatat(int dfd, const char __user *filename, in vfs_fstatat() argument
287 if (dfd >= 0 && flags == AT_EMPTY_PATH) { in vfs_fstatat()
295 return vfs_fstat(dfd, stat); in vfs_fstatat()
299 ret = vfs_statx(dfd, name, statx_flags, stat, STATX_BASIC_STATS); in vfs_fstatat()
457 SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
463 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
482 static int do_readlinkat(int dfd, const char __user *pathname, in do_readlinkat() argument
[all …]
H A Dinternal.h54 extern int filename_lookup(int dfd, struct filename *name, unsigned flags,
56 int do_rmdir(int dfd, struct filename *name);
57 int do_unlinkat(int dfd, struct filename *name);
61 int do_mkdirat(int dfd, struct filename *name, umode_t mode);
169 extern struct file *do_filp_open(int dfd, struct filename *pathname,
179 int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
232 int do_statx(int dfd, struct filename *filename, unsigned int flags,
H A Dopen.c457 static long do_faccessat(int dfd, const char __user *filename, int mode, int flags) in do_faccessat() argument
483 res = user_path_at(dfd, filename, lookup_flags, &path); in do_faccessat()
529 SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode) in SYSCALL_DEFINE3() argument
531 return do_faccessat(dfd, filename, mode, 0); in SYSCALL_DEFINE3()
534 SYSCALL_DEFINE4(faccessat2, int, dfd, const char __user *, filename, int, mode, in SYSCALL_DEFINE4() argument
537 return do_faccessat(dfd, filename, mode, flags); in SYSCALL_DEFINE4()
674 static int do_fchmodat(int dfd, const char __user *filename, umode_t mode, in do_fchmodat() argument
689 error = user_path_at(dfd, filename, lookup_flags, &path); in do_fchmodat()
701 SYSCALL_DEFINE4(fchmodat2, int, dfd, const char __user *, filename, in SYSCALL_DEFINE4() argument
704 return do_fchmodat(dfd, filename, mode, flags); in SYSCALL_DEFINE4()
[all …]
H A Dnamei.c587 int dfd; member
596 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name) in __set_nameidata() argument
601 p->dfd = dfd; in __set_nameidata()
610 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name, in set_nameidata() argument
613 __set_nameidata(p, dfd, name); in set_nameidata()
2391 /* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */ in path_init()
2400 if (nd->dfd == AT_FDCWD) { in path_init()
2417 struct fd f = fdget_raw(nd->dfd); in path_init()
2504 int filename_lookup(int dfd, struct filename *name, unsigned flags, in filename_lookup() argument
2511 set_nameidata(&nd, dfd, name, root); in filename_lookup()
[all …]
/openbmc/linux/tools/testing/selftests/openat2/
H A Dhelpers.c22 int raw_openat2(int dfd, const char *path, void *how, size_t size) in raw_openat2() argument
24 int ret = syscall(__NR_openat2, dfd, path, how, size); in raw_openat2()
28 int sys_openat2(int dfd, const char *path, struct open_how *how) in sys_openat2() argument
30 return raw_openat2(dfd, path, how, sizeof(*how)); in sys_openat2()
33 int sys_openat(int dfd, const char *path, struct open_how *how) in sys_openat() argument
35 int ret = openat(dfd, path, how->flags, how->mode); in sys_openat()
47 int touchat(int dfd, const char *path) in touchat() argument
49 int fd = openat(dfd, path, O_CREAT, 0700); in touchat()
71 bool fdequal(int fd, int dfd, const char *path) in fdequal() argument
77 dfdpath = fdreadlink(dfd); in fdequal()
H A Dresolve_test.c49 int dfd, tmpfd; in setup_testdir() local
59 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
60 if (dfd < 0) in setup_testdir()
64 E_mkdirat(dfd, "root", 0755); in setup_testdir()
65 tmpfd = openat(dfd, "root", O_PATH | O_DIRECTORY); in setup_testdir()
68 close(dfd); in setup_testdir()
69 dfd = tmpfd; in setup_testdir()
71 E_symlinkat("/proc/self/exe", dfd, "procexe"); in setup_testdir()
72 E_symlinkat("/proc/self/root", dfd, "procroot"); in setup_testdir()
73 E_mkdirat(dfd, "root", 0755); in setup_testdir()
[all …]
H A Drename_attack_test.c37 int dfd; in setup_testdir() local
43 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
44 if (dfd < 0) in setup_testdir()
47 E_mkdirat(dfd, "a", 0755); in setup_testdir()
48 E_mkdirat(dfd, "b", 0755); in setup_testdir()
49 E_mkdirat(dfd, "a/c", 0755); in setup_testdir()
51 return dfd; in setup_testdir()
86 int dfd, afd; in test_rename_attack() local
101 dfd = setup_testdir(); in test_rename_attack()
102 afd = openat(dfd, "a", O_PATH); in test_rename_attack()
[all …]
H A Dhelpers.h96 int raw_openat2(int dfd, const char *path, void *how, size_t size);
97 int sys_openat2(int dfd, const char *path, struct open_how *how);
98 int sys_openat(int dfd, const char *path, struct open_how *how);
102 int touchat(int dfd, const char *path);
104 bool fdequal(int fd, int dfd, const char *path);
/openbmc/u-boot/tools/
H A Dimagetool.c105 int dfd; in imagetool_save_subimage() local
107 dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, in imagetool_save_subimage()
109 if (dfd < 0) { in imagetool_save_subimage()
115 if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) { in imagetool_save_subimage()
118 close(dfd); in imagetool_save_subimage()
122 close(dfd); in imagetool_save_subimage()
H A Daisimage.c180 int dfd; in ais_alloc_buffer() local
185 dfd = open(datafile, O_RDONLY|O_BINARY); in ais_alloc_buffer()
186 if (dfd < 0) { in ais_alloc_buffer()
192 if (fstat(dfd, &sbuf) < 0) { in ais_alloc_buffer()
213 close(dfd); in ais_alloc_buffer()
222 int dfd; in ais_copy_image() local
227 dfd = open(datafile, O_RDONLY|O_BINARY); in ais_copy_image()
228 if (dfd < 0) { in ais_copy_image()
234 if (fstat(dfd, &sbuf) < 0) { in ais_copy_image()
240 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); in ais_copy_image()
[all …]
H A Dimx8image.c299 int dfd; in copy_file_aligned() local
313 dfd = open(datafile, O_RDONLY | O_BINARY); in copy_file_aligned()
314 if (dfd < 0) { in copy_file_aligned()
320 if (fstat(dfd, &sbuf) < 0) { in copy_file_aligned()
329 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); in copy_file_aligned()
358 close(dfd); in copy_file_aligned()
363 int dfd; in copy_file() local
373 dfd = open(datafile, O_RDONLY | O_BINARY); in copy_file()
374 if (dfd < 0) { in copy_file()
380 if (fstat(dfd, &sbuf) < 0) { in copy_file()
[all …]
H A Dmkimage.c320 int dfd; in main() local
422 dfd = open(params.datafile, O_RDONLY | O_BINARY); in main()
423 if (dfd < 0) { in main()
430 if (fstat(dfd, &sbuf) < 0) { in main()
438 close(dfd); in main()
644 int dfd; in copy_file() local
660 if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { in copy_file()
666 if (fstat(dfd, &sbuf) < 0) { in copy_file()
672 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); in copy_file()
739 (void) close (dfd); in copy_file()
H A Dimx8mimage.c226 int dfd; in copy_file() local
236 dfd = open(datafile, O_RDONLY | O_BINARY); in copy_file()
237 if (dfd < 0) { in copy_file()
243 if (fstat(dfd, &sbuf) < 0) { in copy_file()
249 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0); in copy_file()
293 close(dfd); in copy_file()
/openbmc/linux/io_uring/
H A Dfs.c29 int dfd; member
36 int dfd; member
114 un->dfd = READ_ONCE(sqe->fd); in io_unlinkat_prep()
138 ret = do_rmdir(un->dfd, un->filename); in io_unlinkat()
140 ret = do_unlinkat(un->dfd, un->filename); in io_unlinkat()
164 mkd->dfd = READ_ONCE(sqe->fd); in io_mkdirat_prep()
184 ret = do_mkdirat(mkd->dfd, mkd->filename, mkd->mode); in io_mkdirat()
H A Dstatx.c16 int dfd; member
33 sx->dfd = READ_ONCE(sqe->fd); in io_statx_prep()
62 ret = do_statx(sx->dfd, sx->filename, sx->flags, sx->mask, sx->buffer); in io_statx()
H A Dopenclose.c21 int dfd; member
60 open->dfd = READ_ONCE(sqe->fd); in __io_openat_prep()
135 file = do_filp_open(open->dfd, open->filename, &op); in io_openat2()
/openbmc/linux/Documentation/trace/
H A Dkprobetrace.rst172 p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)
176 p:myprobe,do_sys_open,dfd=%ax,filename=%dx,flags=%cx,mode=+4($stack)
184 …echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /sys/kernel/tracing/…
213 field:unsigned long dfd; offset:20; size:4; signed:0;
219 print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->__probe_ip,
220 REC->dfd, REC->filename, REC->flags, REC->mode
258 …<...>-1447 [001] 1038282.286875: myprobe: (do_sys_open+0x0/0xd6) dfd=3 filename=7fffd1ec4440 flag…
260 …<...>-1447 [001] 1038282.286885: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=40413c fla…
262 …<...>-1447 [001] 1038282.286969: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=4041c6 fla…
/openbmc/linux/include/linux/
H A Dsyscalls.h389 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
391 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
392 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
419 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
420 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
426 asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
428 asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
430 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
433 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
435 asmlinkage long sys_openat2(int dfd, const char __user *filename,
[all …]
/openbmc/linux/arch/powerpc/platforms/cell/spufs/
H A Dcoredump.c24 static int spufs_ctx_note_size(struct spu_context *ctx, int dfd) in spufs_ctx_note_size() argument
34 sprintf(fullname, "SPU/%d/%s", dfd, name); in spufs_ctx_note_size()
116 struct coredump_params *cprm, int dfd) in spufs_arch_write_note() argument
123 sprintf(fullname, "SPU/%d/%s", dfd, spufs_coredump_read[i].name); in spufs_arch_write_note()
/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dmediatek,mt7981-pinctrl.yaml88 "dfd" "dfd" 0, 1, 4, 5
101 "dfd_ntrst" "dfd" 8
161 enum: [wa_aice, dfd, jtag, pta, pcm, udi, usb, ant, eth, i2c, led,
183 const: dfd
187 enum: [dfd, dfd_ntrst]
/openbmc/linux/kernel/trace/
H A Dkprobe_event_gen_test.c42 #define KPROBE_GEN_TEST_ARG0 "dfd=%ax"
49 #define KPROBE_GEN_TEST_ARG0 "dfd=%x0"
56 #define KPROBE_GEN_TEST_ARG0 "dfd=%r0"
63 #define KPROBE_GEN_TEST_ARG0 "dfd=%a0"
/openbmc/linux/arch/sparc/kernel/
H A Dsystbls.h65 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
98 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
/openbmc/linux/tools/testing/selftests/exec/
H A Dexecveat.c263 /* dfd + path */ in run_tests()
269 /* absolute path with nonsense dfd */ in run_tests()
296 /* dfd + path */ in run_tests()
307 /* dfd + path */ in run_tests()
321 /* dfd + path */ in run_tests()

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