Lines Matching refs:map_fd
32 int map_fd; member
50 int map_fd; member
75 int ring_buffer__add(struct ring_buffer *rb, int map_fd, in ring_buffer__add() argument
88 err = bpf_map_get_info_by_fd(map_fd, &info, &len); in ring_buffer__add()
92 map_fd, err); in ring_buffer__add()
98 map_fd); in ring_buffer__add()
117 r->map_fd = map_fd; in ring_buffer__add()
123 tmp = mmap(NULL, rb->page_size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0); in ring_buffer__add()
127 map_fd, err); in ring_buffer__add()
142 tmp = mmap(NULL, (size_t)mmap_sz, PROT_READ, MAP_SHARED, map_fd, rb->page_size); in ring_buffer__add()
146 map_fd, err); in ring_buffer__add()
157 if (epoll_ctl(rb->epoll_fd, EPOLL_CTL_ADD, map_fd, e) < 0) { in ring_buffer__add()
160 map_fd, err); in ring_buffer__add()
190 ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx, in ring_buffer__new() argument
212 err = ring_buffer__add(rb, map_fd, sample_cb, ctx); in ring_buffer__new()
403 return r->map_fd; in ring__map_fd()
447 static int user_ringbuf_map(struct user_ring_buffer *rb, int map_fd) in user_ringbuf_map() argument
458 err = bpf_map_get_info_by_fd(map_fd, &info, &len); in user_ringbuf_map()
461 pr_warn("user ringbuf: failed to get map info for fd=%d: %d\n", map_fd, err); in user_ringbuf_map()
466 pr_warn("user ringbuf: map fd=%d is not BPF_MAP_TYPE_USER_RINGBUF\n", map_fd); in user_ringbuf_map()
470 rb->map_fd = map_fd; in user_ringbuf_map()
474 tmp = mmap(NULL, rb->page_size, PROT_READ, MAP_SHARED, map_fd, 0); in user_ringbuf_map()
478 map_fd, err); in user_ringbuf_map()
494 map_fd, rb->page_size); in user_ringbuf_map()
498 map_fd, err); in user_ringbuf_map()
507 if (epoll_ctl(rb->epoll_fd, EPOLL_CTL_ADD, map_fd, rb_epoll) < 0) { in user_ringbuf_map()
509 pr_warn("user ringbuf: failed to epoll add map fd=%d: %d\n", map_fd, err); in user_ringbuf_map()
517 user_ring_buffer__new(int map_fd, const struct user_ring_buffer_opts *opts) in user_ring_buffer__new() argument
538 err = user_ringbuf_map(rb, map_fd); in user_ring_buffer__new()