| /linux-6.12.1/fs/ |
| D | signalfd.c | 251 static int do_signalfd4(int ufd, sigset_t *mask, int flags) in do_signalfd4() argument
265 if (ufd == -1) { in do_signalfd4()
274 ufd = get_unused_fd_flags(flags & O_CLOEXEC); in do_signalfd4()
275 if (ufd < 0) { in do_signalfd4()
277 return ufd; in do_signalfd4()
283 put_unused_fd(ufd); in do_signalfd4()
289 fd_install(ufd, file); in do_signalfd4()
291 struct fd f = fdget(ufd); in do_signalfd4()
307 return ufd; in do_signalfd4()
310 SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask, in SYSCALL_DEFINE4() argument
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| D | timerfd.c | 412 int ufd; in SYSCALL_DEFINE2() local
451 ufd = get_unused_fd_flags(flags & TFD_SHARED_FCNTL_FLAGS); in SYSCALL_DEFINE2()
452 if (ufd < 0) { in SYSCALL_DEFINE2()
454 return ufd; in SYSCALL_DEFINE2()
460 put_unused_fd(ufd); in SYSCALL_DEFINE2()
466 fd_install(ufd, file); in SYSCALL_DEFINE2()
467 return ufd; in SYSCALL_DEFINE2()
470 static int do_timerfd_settime(int ufd, int flags, in do_timerfd_settime() argument
482 ret = timerfd_fget(ufd, &f); in do_timerfd_settime()
542 static int do_timerfd_gettime(int ufd, struct itimerspec64 *t) in do_timerfd_gettime() argument
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| D | file.c | 1280 int receive_fd(struct file *file, int __user *ufd, unsigned int o_flags) in receive_fd() argument
1293 if (ufd) { in receive_fd()
1294 error = put_user(new_fd, ufd); in receive_fd()
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| /linux-6.12.1/tools/testing/selftests/mm/ |
| D | uffd-common.c | 378 void wp_range(int ufd, __u64 start, __u64 len, bool wp) in wp_range() argument
388 if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms)) in wp_range()
392 static void continue_range(int ufd, __u64 start, __u64 len, bool wp) in continue_range() argument
403 if (ioctl(ufd, UFFDIO_CONTINUE, &req)) in continue_range()
413 ret = ioctl(ufd, UFFDIO_CONTINUE, &req); in continue_range()
419 int uffd_read_msg(int ufd, struct uffd_msg *msg) in uffd_read_msg() argument
551 uffd = msg.arg.fork.ufd; in uffd_poll_thread()
571 static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy, in retry_copy_page() argument
577 if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) { in retry_copy_page()
588 static void wake_range(int ufd, unsigned long addr, unsigned long len) in wake_range() argument
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| D | uffd-common.h | 120 int uffd_read_msg(int ufd, struct uffd_msg *msg);
121 void wp_range(int ufd, __u64 start, __u64 len, bool wp);
123 int __copy_page(int ufd, unsigned long offset, bool retry, bool wp);
124 int copy_page(int ufd, unsigned long offset, bool wp);
125 int move_page(int ufd, unsigned long offset, unsigned long len);
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| D | uffd-unit-tests.c | 253 args->child_uffd = msg.arg.fork.ufd; in fork_event_consumer()
886 static void retry_uffdio_zeropage(int ufd, in retry_uffdio_zeropage() argument
892 if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in retry_uffdio_zeropage()
902 static bool do_uffdio_zeropage(int ufd, bool has_zeropage) in do_uffdio_zeropage() argument
911 ret = ioctl(ufd, UFFDIO_ZEROPAGE, &uffdio_zeropage); in do_uffdio_zeropage()
923 retry_uffdio_zeropage(ufd, &uffdio_zeropage); in do_uffdio_zeropage()
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| D | uffd-stress.c | 123 static int copy_page_retry(int ufd, unsigned long offset) in copy_page_retry() argument
125 return __copy_page(ufd, offset, true, test_uffdio_wp); in copy_page_retry()
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| /linux-6.12.1/tools/testing/selftests/thermal/intel/power_floor/ |
| D | power_floor_test.c | 40 struct pollfd ufd; in main() local
85 ufd.fd = fd; in main()
86 ufd.events = POLLPRI; in main()
88 ret = poll(&ufd, 1, -1); in main()
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| /linux-6.12.1/tools/testing/selftests/thermal/intel/workload_hint/ |
| D | workload_hint_test.c | 51 struct pollfd ufd; in main() local
128 ufd.fd = fd; in main()
129 ufd.events = POLLPRI; in main()
131 ret = poll(&ufd, 1, -1); in main()
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| /linux-6.12.1/arch/parisc/kernel/ |
| D | sys_parisc.c | 338 asmlinkage long parisc_signalfd4(int ufd, sigset_t __user *user_mask, in parisc_signalfd4() argument
342 return sys_signalfd4(ufd, user_mask, sizemask, flags); in parisc_signalfd4()
346 asmlinkage long parisc_compat_signalfd4(int ufd, in parisc_compat_signalfd4() argument
351 return compat_sys_signalfd4(ufd, user_mask, sizemask, flags); in parisc_compat_signalfd4()
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| /linux-6.12.1/include/net/ |
| D | scm.h | 223 static inline int scm_recv_one_fd(struct file *f, int __user *ufd, in scm_recv_one_fd() argument
226 if (!ufd) in scm_recv_one_fd()
228 return receive_fd(f, ufd, flags); in scm_recv_one_fd()
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| /linux-6.12.1/tools/perf/ |
| D | builtin-probe.c | 443 int ret, ret2, ufd = -1, kfd = -1; in perf_del_probe_events() local
457 ret = probe_file__open_both(&kfd, &ufd, PF_FL_RW); in perf_del_probe_events()
479 ret2 = probe_file__get_events(ufd, filter, ulist); in perf_del_probe_events()
484 ret2 = probe_file__del_strlist(ufd, ulist); in perf_del_probe_events()
498 if (ufd >= 0) in perf_del_probe_events()
499 close(ufd); in perf_del_probe_events()
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| /linux-6.12.1/kernel/bpf/ |
| D | map_in_map.c | 96 int ufd) in bpf_map_fd_get_ptr() argument
99 CLASS(fd, f)(ufd); in bpf_map_fd_get_ptr()
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| D | map_in_map.h | 15 int ufd);
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| D | inode.c | 71 static void *bpf_fd_probe_obj(u32 ufd, enum bpf_type *type) in bpf_fd_probe_obj() argument
75 raw = bpf_map_get_with_uref(ufd); in bpf_fd_probe_obj()
81 raw = bpf_prog_get(ufd); in bpf_fd_probe_obj()
87 raw = bpf_link_get_from_fd(ufd); in bpf_fd_probe_obj()
478 int bpf_obj_pin_user(u32 ufd, int path_fd, const char __user *pathname) in bpf_obj_pin_user() argument
484 raw = bpf_fd_probe_obj(ufd, &type); in bpf_obj_pin_user()
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| D | token.c | 214 struct bpf_token *bpf_token_get_from_fd(u32 ufd) in bpf_token_get_from_fd() argument
216 CLASS(fd, f)(ufd); in bpf_token_get_from_fd()
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| /linux-6.12.1/tools/perf/util/ |
| D | probe-file.c | 152 int probe_file__open_both(int *kfd, int *ufd, int flag) in probe_file__open_both() argument
154 if (!kfd || !ufd) in probe_file__open_both()
158 *ufd = open_uprobe_events(flag & PF_FL_RW); in probe_file__open_both()
159 if (*kfd < 0 && *ufd < 0) { in probe_file__open_both()
160 print_both_open_warning(*kfd, *ufd, flag & PF_FL_RW); in probe_file__open_both()
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| D | probe-file.h | 42 int probe_file__open_both(int *kfd, int *ufd, int flag);
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| /linux-6.12.1/include/linux/ |
| D | bpf.h | 2232 struct bpf_prog *bpf_prog_get(u32 ufd);
2233 struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, enum bpf_prog_type type,
2255 struct bpf_map *bpf_map_get(u32 ufd);
2256 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
2380 struct bpf_link *bpf_link_get_from_fd(u32 ufd);
2386 struct bpf_token *bpf_token_get_from_fd(u32 ufd);
2394 int bpf_obj_pin_user(u32 ufd, int path_fd, const char __user *pathname);
2688 static inline struct bpf_prog *bpf_prog_get(u32 ufd) in bpf_prog_get() argument
2693 static inline struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, in bpf_prog_get_type_dev() argument
2774 static inline struct bpf_token *bpf_token_get_from_fd(u32 ufd) in bpf_token_get_from_fd() argument
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| D | file.h | 125 int receive_fd(struct file *file, int __user *ufd, unsigned int o_flags);
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| D | syscalls.h | 493 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
518 asmlinkage long sys_timerfd_settime(int ufd, int flags,
521 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
522 asmlinkage long sys_timerfd_gettime32(int ufd,
524 asmlinkage long sys_timerfd_settime32(int ufd, int flags,
1037 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
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| /linux-6.12.1/tools/tracing/latency/ |
| D | latency-collector.c | 1639 int ufd; in start_printthread() local
1641 ufd = open(DEV_URANDOM, O_RDONLY); in start_printthread()
1650 if (ufd < 0 || in start_printthread()
1651 read(ufd, seed, sizeof(*seed)) != sizeof(*seed)) { in start_printthread()
1663 if (ufd > 0 && close(ufd) != 0) in start_printthread()
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| /linux-6.12.1/tools/include/uapi/linux/ |
| D | userfaultfd.h | 125 __u32 ufd; member
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| /linux-6.12.1/include/uapi/linux/ |
| D | userfaultfd.h | 125 __u32 ufd; member
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| /linux-6.12.1/net/core/ |
| D | sock_map.c | 556 u64 ufd; in sock_map_update_elem_sys() local
559 ufd = *(u64 *)value; in sock_map_update_elem_sys()
561 ufd = *(u32 *)value; in sock_map_update_elem_sys()
562 if (ufd > S32_MAX) in sock_map_update_elem_sys()
565 sock = sockfd_lookup(ufd, &ret); in sock_map_update_elem_sys()
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