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Searched refs:ufd (Results 1 – 25 of 37) sorted by relevance

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/openbmc/linux/fs/
H A Dsignalfd.c253 static int do_signalfd4(int ufd, sigset_t *mask, int flags) in do_signalfd4() argument
267 if (ufd == -1) { in do_signalfd4()
278 ufd = anon_inode_getfd("[signalfd]", &signalfd_fops, ctx, in do_signalfd4()
280 if (ufd < 0) in do_signalfd4()
283 struct fd f = fdget(ufd); in do_signalfd4()
299 return ufd; in do_signalfd4()
302 SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask, in SYSCALL_DEFINE4() argument
311 return do_signalfd4(ufd, &mask, flags); in SYSCALL_DEFINE4()
314 SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask, in SYSCALL_DEFINE3() argument
323 return do_signalfd4(ufd, &mask, 0); in SYSCALL_DEFINE3()
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H A Dtimerfd.c408 int ufd; in SYSCALL_DEFINE2() local
446 ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx, in SYSCALL_DEFINE2()
448 if (ufd < 0) in SYSCALL_DEFINE2()
451 return ufd; in SYSCALL_DEFINE2()
454 static int do_timerfd_settime(int ufd, int flags, in do_timerfd_settime() argument
466 ret = timerfd_fget(ufd, &f); in do_timerfd_settime()
526 static int do_timerfd_gettime(int ufd, struct itimerspec64 *t) in do_timerfd_gettime() argument
530 int ret = timerfd_fget(ufd, &f); in do_timerfd_gettime()
558 SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags, in SYSCALL_DEFINE4() argument
567 ret = do_timerfd_settime(ufd, flags, &new, &old); in SYSCALL_DEFINE4()
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H A Dfile.c1145 * @ufd: __user pointer to write new fd number to
1150 * @ufd is non-NULL.
1157 int __receive_fd(struct file *file, int __user *ufd, unsigned int o_flags) in __receive_fd()
1170 if (ufd) { in __receive_fd()
1171 error = put_user(new_fd, ufd); in __receive_fd()
1156 __receive_fd(struct file * file,int __user * ufd,unsigned int o_flags) __receive_fd() argument
/openbmc/linux/tools/testing/selftests/mm/
H A Duffd-common.c367 void wp_range(int ufd, __u64 start, __u64 len, bool wp) in wp_range() argument
377 if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms)) in wp_range()
381 static void continue_range(int ufd, __u64 start, __u64 len, bool wp) in continue_range() argument
392 if (ioctl(ufd, UFFDIO_CONTINUE, &req)) in continue_range()
402 ret = ioctl(ufd, UFFDIO_CONTINUE, &req); in continue_range()
408 int uffd_read_msg(int ufd, struct uffd_msg *msg) in uffd_read_msg() argument
540 uffd = msg.arg.fork.ufd; in uffd_poll_thread()
560 static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy, in retry_copy_page() argument
566 if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) { in retry_copy_page()
577 static void wake_range(int ufd, unsigned long addr, unsigned long len) in wake_range() argument
[all …]
H A Duffd-common.h112 int uffd_read_msg(int ufd, struct uffd_msg *msg);
113 void wp_range(int ufd, __u64 start, __u64 len, bool wp);
115 int __copy_page(int ufd, unsigned long offset, bool retry, bool wp);
116 int copy_page(int ufd, unsigned long offset, bool wp);
H A Duffd-unit-tests.c247 args->child_uffd = msg.arg.fork.ufd; in fork_event_consumer()
877 static void retry_uffdio_zeropage(int ufd, in retry_uffdio_zeropage() argument
883 if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in retry_uffdio_zeropage()
893 static bool do_uffdio_zeropage(int ufd, bool has_zeropage) in do_uffdio_zeropage() argument
902 ret = ioctl(ufd, UFFDIO_ZEROPAGE, &uffdio_zeropage); in do_uffdio_zeropage()
914 retry_uffdio_zeropage(ufd, &uffdio_zeropage); in do_uffdio_zeropage()
H A Duffd-stress.c123 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()
/openbmc/linux/include/linux/
H A Dfile.h99 extern int __receive_fd(struct file *file, int __user *ufd,
104 static inline int receive_fd_user(struct file *file, int __user *ufd, in receive_fd_user() argument
107 if (ufd == NULL) in receive_fd_user()
109 return __receive_fd(file, ufd, o_flags); in receive_fd_user()
H A Dbpf.h2069 struct bpf_prog *bpf_prog_get(u32 ufd);
2070 struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, enum bpf_prog_type type,
2090 struct bpf_map *bpf_map_get(u32 ufd);
2091 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
2214 struct bpf_link *bpf_link_get_from_fd(u32 ufd);
2217 int bpf_obj_pin_user(u32 ufd, int path_fd, const char __user *pathname);
2508 static inline struct bpf_prog *bpf_prog_get(u32 ufd) in bpf_prog_get() argument
2513 static inline struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, in bpf_prog_get_type_dev() argument
2774 static inline struct bpf_prog *bpf_prog_get_type(u32 ufd, in bpf_prog_get_type() argument
2777 return bpf_prog_get_type_dev(ufd, type, false); in bpf_prog_get_type()
H A Dsyscalls.h485 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
510 asmlinkage long sys_timerfd_settime(int ufd, int flags,
513 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
514 asmlinkage long sys_timerfd_gettime32(int ufd,
516 asmlinkage long sys_timerfd_settime32(int ufd, int flags,
1011 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
/openbmc/qemu/migration/
H A Dpostcopy-ram.c224 int ufd; in receive_ufd_features() local
227 ufd = uffd_open(O_CLOEXEC); in receive_ufd_features()
228 if (ufd == -1) { in receive_ufd_features()
236 if (ioctl(ufd, UFFDIO_API, &api_struct)) { in receive_ufd_features()
246 close(ufd); in receive_ufd_features()
259 static bool request_ufd_features(int ufd, uint64_t features) in request_ufd_features() argument
266 if (ioctl(ufd, UFFDIO_API, &api_struct)) { in request_ufd_features()
283 static bool ufd_check_and_apply(int ufd, MigrationIncomingState *mis, in ufd_check_and_apply() argument
318 if (!request_ufd_features(ufd, asked_features)) { in ufd_check_and_apply()
376 int ufd = -1; in postcopy_ram_supported_by_host() local
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H A Dpostcopy-ram.h147 typedef int (*pcfdhandler)(struct PostCopyFD *pcfd, void *ufd);
/openbmc/linux/arch/parisc/kernel/
H A Dsys_parisc.c337 asmlinkage long parisc_signalfd4(int ufd, sigset_t __user *user_mask, in parisc_signalfd4() argument
341 return sys_signalfd4(ufd, user_mask, sizemask, flags); in parisc_signalfd4()
345 asmlinkage long parisc_compat_signalfd4(int ufd, in parisc_compat_signalfd4() argument
350 return compat_sys_signalfd4(ufd, user_mask, sizemask, flags); in parisc_compat_signalfd4()
/openbmc/linux/tools/perf/
H A Dbuiltin-probe.c443 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()
/openbmc/linux/kernel/bpf/
H A Dinode.c70 static void *bpf_fd_probe_obj(u32 ufd, enum bpf_type *type) in bpf_fd_probe_obj() argument
74 raw = bpf_map_get_with_uref(ufd); in bpf_fd_probe_obj()
80 raw = bpf_prog_get(ufd); in bpf_fd_probe_obj()
86 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()
H A Dmap_in_map.c110 int ufd) in bpf_map_fd_get_ptr() argument
115 f = fdget(ufd); in bpf_map_fd_get_ptr()
H A Dmap_in_map.h15 int ufd);
H A Dsyscall.c1347 struct bpf_map *bpf_map_get(u32 ufd) in bpf_map_get() argument
1349 struct fd f = fdget(ufd); in bpf_map_get()
1363 struct bpf_map *bpf_map_get_with_uref(u32 ufd) in bpf_map_get_with_uref() argument
1365 struct fd f = fdget(ufd); in bpf_map_get_with_uref()
1438 int ufd = attr->map_fd; in map_lookup_elem() local
1451 f = fdget(ufd); in map_lookup_elem()
1513 int ufd = attr->map_fd; in map_update_elem() local
1523 f = fdget(ufd); in map_update_elem()
1568 int ufd = attr->map_fd; in map_delete_elem() local
1577 f = fdget(ufd); in map_delete_elem()
[all …]
/openbmc/linux/net/core/
H A Dsock_map.c62 u32 ufd = attr->target_fd; in sock_map_get_from_fd() local
70 f = fdget(ufd); in sock_map_get_from_fd()
81 u32 ufd = attr->target_fd; in sock_map_prog_detach() local
90 f = fdget(ufd); in sock_map_prog_detach()
553 u64 ufd; in sock_map_update_elem_sys() local
556 ufd = *(u64 *)value; in sock_map_update_elem_sys()
558 ufd = *(u32 *)value; in sock_map_update_elem_sys()
559 if (ufd > S32_MAX) in sock_map_update_elem_sys()
562 sock = sockfd_lookup(ufd, &ret); in sock_map_update_elem_sys()
1521 u32 prog_cnt = 0, flags = 0, ufd = attr->target_fd; in sock_map_bpf_prog_query() local
[all …]
/openbmc/linux/tools/perf/util/
H A Dprobe-file.c152 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()
H A Dprobe-file.h42 int probe_file__open_both(int *kfd, int *ufd, int flag);
/openbmc/linux/tools/tracing/latency/
H A Dlatency-collector.c1639 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()
/openbmc/linux/include/uapi/linux/
H A Duserfaultfd.h119 __u32 ufd; member
/openbmc/qemu/linux-headers/linux/
H A Duserfaultfd.h125 __u32 ufd; member
/openbmc/qemu/hw/virtio/
H A Dvhost-user.c1938 void *ufd) in vhost_user_postcopy_fault_handler() argument
1942 struct uffd_msg *msg = ufd; in vhost_user_postcopy_fault_handler()
2010 int ufd; in vhost_user_postcopy_advise() local
2039 ufd = qemu_chr_fe_get_msgfd(chr); in vhost_user_postcopy_advise()
2040 if (ufd < 0) { in vhost_user_postcopy_advise()
2044 qemu_socket_set_nonblock(ufd); in vhost_user_postcopy_advise()
2047 u->postcopy_fd.fd = ufd; in vhost_user_postcopy_advise()

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