| /Linux-v5.15/tools/testing/selftests/memfd/ |
| D | memfd_test.c | 39 int r, fd; in mfd_assert_new() local
41 fd = sys_memfd_create(name, flags); in mfd_assert_new()
42 if (fd < 0) { in mfd_assert_new()
48 r = ftruncate(fd, sz); in mfd_assert_new()
54 return fd; in mfd_assert_new()
59 int fd; in mfd_assert_reopen_fd() local
64 fd = open(path, O_RDWR); in mfd_assert_reopen_fd()
65 if (fd < 0) { in mfd_assert_reopen_fd()
70 return fd; in mfd_assert_reopen_fd()
86 static unsigned int mfd_assert_get_seals(int fd) in mfd_assert_get_seals() argument
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| D | fuse_test.c | 45 int r, fd; in mfd_assert_new() local
47 fd = sys_memfd_create(name, flags); in mfd_assert_new()
48 if (fd < 0) { in mfd_assert_new()
54 r = ftruncate(fd, sz); in mfd_assert_new()
60 return fd; in mfd_assert_new()
63 static __u64 mfd_assert_get_seals(int fd) in mfd_assert_get_seals() argument
67 r = fcntl(fd, F_GET_SEALS); in mfd_assert_get_seals()
69 printf("GET_SEALS(%d) failed: %m\n", fd); in mfd_assert_get_seals()
76 static void mfd_assert_has_seals(int fd, __u64 seals) in mfd_assert_has_seals() argument
80 s = mfd_assert_get_seals(fd); in mfd_assert_has_seals()
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| /Linux-v5.15/drivers/clk/ |
| D | clk-fractional-divider.c | 50 static inline u32 clk_fd_readl(struct clk_fractional_divider *fd) in clk_fd_readl() argument
52 if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN) in clk_fd_readl()
53 return ioread32be(fd->reg); in clk_fd_readl()
55 return readl(fd->reg); in clk_fd_readl()
58 static inline void clk_fd_writel(struct clk_fractional_divider *fd, u32 val) in clk_fd_writel() argument
60 if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN) in clk_fd_writel()
61 iowrite32be(val, fd->reg); in clk_fd_writel()
63 writel(val, fd->reg); in clk_fd_writel()
69 struct clk_fractional_divider *fd = to_clk_fd(hw); in clk_fd_recalc_rate() local
75 if (fd->lock) in clk_fd_recalc_rate()
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| /Linux-v5.15/fs/hfsplus/ |
| D | bfind.c | 15 int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) in hfs_find_init() argument
19 fd->tree = tree; in hfs_find_init()
20 fd->bnode = NULL; in hfs_find_init()
24 fd->search_key = ptr; in hfs_find_init()
25 fd->key = ptr + tree->max_key_len + 2; in hfs_find_init()
44 void hfs_find_exit(struct hfs_find_data *fd) in hfs_find_exit() argument
46 hfs_bnode_put(fd->bnode); in hfs_find_exit()
47 kfree(fd->search_key); in hfs_find_exit()
49 fd->tree->cnid, __builtin_return_address(0)); in hfs_find_exit()
50 mutex_unlock(&fd->tree->tree_lock); in hfs_find_exit()
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| /Linux-v5.15/tools/testing/selftests/wireguard/qemu/ |
| D | init.c | 59 int fd; in seed_rng() local
72 fd = open("/dev/urandom", O_WRONLY); in seed_rng()
73 if (fd < 0) in seed_rng()
76 if (ioctl(fd, RNDADDENTROPY, &entropy) < 0) in seed_rng()
79 close(fd); in seed_rng()
111 int fd; in enable_logging() local
113 fd = open("/proc/sys/kernel/printk", O_WRONLY); in enable_logging()
114 if (fd >= 0) { in enable_logging()
115 if (write(fd, "9\n", 2) != 2) in enable_logging()
117 close(fd); in enable_logging()
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| /Linux-v5.15/fs/hfs/ |
| D | bfind.c | 15 int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) in hfs_find_init() argument
19 fd->tree = tree; in hfs_find_init()
20 fd->bnode = NULL; in hfs_find_init()
24 fd->search_key = ptr; in hfs_find_init()
25 fd->key = ptr + tree->max_key_len + 2; in hfs_find_init()
44 void hfs_find_exit(struct hfs_find_data *fd) in hfs_find_exit() argument
46 hfs_bnode_put(fd->bnode); in hfs_find_exit()
47 kfree(fd->search_key); in hfs_find_exit()
49 fd->tree->cnid, __builtin_return_address(0)); in hfs_find_exit()
50 mutex_unlock(&fd->tree->tree_lock); in hfs_find_exit()
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| /Linux-v5.15/tools/testing/vsock/ |
| D | vsock_test.c | 37 int fd; in test_stream_connection_reset() local
39 fd = socket(AF_VSOCK, SOCK_STREAM, 0); in test_stream_connection_reset()
43 ret = connect(fd, &addr.sa, sizeof(addr.svm)); in test_stream_connection_reset()
57 close(fd); in test_stream_connection_reset()
73 int fd; in test_stream_bind_only_client() local
78 fd = socket(AF_VSOCK, SOCK_STREAM, 0); in test_stream_bind_only_client()
82 ret = connect(fd, &addr.sa, sizeof(addr.svm)); in test_stream_bind_only_client()
99 close(fd); in test_stream_bind_only_client()
114 int fd; in test_stream_bind_only_server() local
116 fd = socket(AF_VSOCK, SOCK_STREAM, 0); in test_stream_bind_only_server()
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| /Linux-v5.15/drivers/scsi/ |
| D | fdomain.c | 118 static inline void fdomain_make_bus_idle(struct fdomain *fd) in fdomain_make_bus_idle() argument
120 outb(0, fd->base + REG_BCTL); in fdomain_make_bus_idle()
121 outb(0, fd->base + REG_MCTL); in fdomain_make_bus_idle()
122 if (fd->chip == tmc18c50 || fd->chip == tmc18c30) in fdomain_make_bus_idle()
125 fd->base + REG_ACTL); in fdomain_make_bus_idle()
127 outb(ACTL_RESET | PARITY_MASK, fd->base + REG_ACTL); in fdomain_make_bus_idle()
181 struct fdomain *fd = shost_priv(sh); in fdomain_select() local
183 outb(BCTL_BUSEN | BCTL_SEL, fd->base + REG_BCTL); in fdomain_select()
184 outb(BIT(sh->this_id) | BIT(target), fd->base + REG_SCSI_DATA_NOACK); in fdomain_select()
187 outb(PARITY_MASK, fd->base + REG_ACTL); in fdomain_select()
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| /Linux-v5.15/include/linux/ |
| D | file.h | 36 struct fd { struct
43 static inline void fdput(struct fd fd) in fdput() argument
45 if (fd.flags & FDPUT_FPUT) in fdput()
46 fput(fd.file); in fdput()
49 extern struct file *fget(unsigned int fd);
50 extern struct file *fget_many(unsigned int fd, unsigned int refs);
51 extern struct file *fget_raw(unsigned int fd);
52 extern struct file *fget_task(struct task_struct *task, unsigned int fd);
53 extern unsigned long __fdget(unsigned int fd);
54 extern unsigned long __fdget_raw(unsigned int fd);
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| D | fdtable.h | 29 struct file __rcu **fd; /* current fd array */ member
36 static inline bool close_on_exec(unsigned int fd, const struct fdtable *fdt) in close_on_exec() argument
38 return test_bit(fd, fdt->close_on_exec); in close_on_exec()
41 static inline bool fd_is_open(unsigned int fd, const struct fdtable *fdt) in fd_is_open() argument
43 return test_bit(fd, fdt->open_fds); in fd_is_open()
83 static inline struct file *files_lookup_fd_raw(struct files_struct *files, unsigned int fd) in files_lookup_fd_raw() argument
87 if (fd < fdt->max_fds) { in files_lookup_fd_raw()
88 fd = array_index_nospec(fd, fdt->max_fds); in files_lookup_fd_raw()
89 return rcu_dereference_raw(fdt->fd[fd]); in files_lookup_fd_raw()
94 static inline struct file *files_lookup_fd_locked(struct files_struct *files, unsigned int fd) in files_lookup_fd_locked() argument
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| /Linux-v5.15/fs/ |
| D | file.c | 36 kvfree(fdt->fd); in __free_fdtable()
84 memcpy(nfdt->fd, ofdt->fd, cpy); in copy_fdtable()
85 memset((char *)nfdt->fd + cpy, 0, set); in copy_fdtable()
123 fdt->fd = data; in alloc_fdtable()
139 kvfree(fdt->fd); in alloc_fdtable()
233 static inline void __set_close_on_exec(unsigned int fd, struct fdtable *fdt) in __set_close_on_exec() argument
235 __set_bit(fd, fdt->close_on_exec); in __set_close_on_exec()
238 static inline void __clear_close_on_exec(unsigned int fd, struct fdtable *fdt) in __clear_close_on_exec() argument
240 if (test_bit(fd, fdt->close_on_exec)) in __clear_close_on_exec()
241 __clear_bit(fd, fdt->close_on_exec); in __clear_close_on_exec()
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| /Linux-v5.15/tools/perf/tests/ |
| D | wp.c | 14 #define WP_TEST_ASSERT_VAL(fd, text, val) \ argument
17 wp_read(fd, &count, sizeof(long long)); \
24 static int wp_read(int fd, long long *count, int size) in wp_read() argument
26 int ret = read(fd, count, size); in wp_read()
53 int fd; in __event() local
57 fd = sys_perf_event_open(&attr, 0, -1, -1, in __event()
59 if (fd < 0) in __event()
62 return fd; in __event()
67 int fd; in wp_ro_test() local
70 fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1)); in wp_ro_test()
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| /Linux-v5.15/tools/testing/selftests/net/ |
| D | ipv6_flowlabel_mgr.c | 48 static int flowlabel_get(int fd, uint32_t label, uint8_t share, uint16_t flags) in flowlabel_get() argument
61 return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req)); in flowlabel_get()
64 static int flowlabel_put(int fd, uint32_t label) in flowlabel_put() argument
71 return setsockopt(fd, SOL_IPV6, IPV6_FLOWLABEL_MGR, &req, sizeof(req)); in flowlabel_put()
74 static void run_tests(int fd) in run_tests() argument
80 expect_fail(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0)); in run_tests()
83 expect_fail(flowlabel_put(fd, 1)); in run_tests()
86 expect_fail(flowlabel_get(fd, 0x1FFFFF, IPV6_FL_S_ANY, in run_tests()
90 expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, IPV6_FL_F_CREATE)); in run_tests()
92 expect_pass(flowlabel_get(fd, 1, IPV6_FL_S_ANY, 0)); in run_tests()
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| D | reuseaddr_ports_exhausted.c | 58 int fd, ret; in bind_port() local
60 fd = socket(AF_INET, SOCK_STREAM, 0); in bind_port()
61 ASSERT_NE(-1, fd) TH_LOG("failed to open socket."); in bind_port()
63 ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuseaddr, sizeof(int)); in bind_port()
66 ret = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &reuseport, sizeof(int)); in bind_port()
73 if (bind(fd, (struct sockaddr *)&local_addr, len) == -1) { in bind_port()
74 close(fd); in bind_port()
78 return fd; in bind_port()
84 int i, j, fd[2]; in TEST() local
90 fd[j] = bind_port(_metadata, opts->reuseaddr[j], opts->reuseport[j]); in TEST()
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| /Linux-v5.15/tools/testing/selftests/bpf/ |
| D | test_maps.c | 40 int fd; in test_hashmap() local
42 fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), in test_hashmap()
44 if (fd < 0) { in test_hashmap()
52 assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0); in test_hashmap()
56 assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) < 0 && in test_hashmap()
61 assert(bpf_map_update_elem(fd, &key, &value, -1) < 0 && in test_hashmap()
65 assert(bpf_map_lookup_elem(fd, &key, &value) == 0 && value == 1234); in test_hashmap()
70 assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0); in test_hashmap()
73 assert(bpf_map_lookup_and_delete_elem(fd, &key, &value) == 0 && value == 1234); in test_hashmap()
76 assert(bpf_map_lookup_elem(fd, &key, &value) < 0 && errno == ENOENT); in test_hashmap()
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| /Linux-v5.15/fs/jffs2/ |
| D | build.c | 56 struct jffs2_full_dirent *fd; in jffs2_build_inode_pass1() local
61 for(fd = ic->scan_dents; fd; fd = fd->next) { in jffs2_build_inode_pass1()
63 if (!fd->ino) in jffs2_build_inode_pass1()
68 child_ic = jffs2_get_ino_cache(c, fd->ino); in jffs2_build_inode_pass1()
71 fd->name, fd->ino, ic->ino); in jffs2_build_inode_pass1()
72 jffs2_mark_node_obsolete(c, fd->raw); in jffs2_build_inode_pass1()
74 fd->ic = NULL; in jffs2_build_inode_pass1()
79 fd->ic = child_ic; in jffs2_build_inode_pass1()
83 if (fd->type == DT_DIR) { in jffs2_build_inode_pass1()
89 dbg_fsbuild("increased nlink for child \"%s\" (ino #%u)\n", fd->name, fd->ino); in jffs2_build_inode_pass1()
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| /Linux-v5.15/arch/um/os-Linux/ |
| D | file.c | 43 int os_stat_fd(const int fd, struct uml_stat *ubuf) in os_stat_fd() argument
48 CATCH_EINTR(err = fstat64(fd, &sbuf)); in os_stat_fd()
88 int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg) in os_ioctl_generic() argument
92 err = ioctl(fd, cmd, arg); in os_ioctl_generic()
100 int os_get_ifname(int fd, char* namebuf) in os_get_ifname() argument
102 if (ioctl(fd, SIOCGIFNAME, namebuf) < 0) in os_get_ifname()
108 int os_set_slip(int fd) in os_set_slip() argument
113 if (ioctl(fd, TIOCSETD, &disc) < 0) in os_set_slip()
117 if (ioctl(fd, SIOCSIFENCAP, &sencap) < 0) in os_set_slip()
123 int os_mode_fd(int fd, int mode) in os_mode_fd() argument
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| /Linux-v5.15/drivers/clk/ti/ |
| D | fapll.c | 78 struct fapll_data *fd; member
86 static bool ti_fapll_clock_is_bypass(struct fapll_data *fd) in ti_fapll_clock_is_bypass() argument
88 u32 v = readl_relaxed(fd->base); in ti_fapll_clock_is_bypass()
90 if (fd->bypass_bit_inverted) in ti_fapll_clock_is_bypass()
96 static void ti_fapll_set_bypass(struct fapll_data *fd) in ti_fapll_set_bypass() argument
98 u32 v = readl_relaxed(fd->base); in ti_fapll_set_bypass()
100 if (fd->bypass_bit_inverted) in ti_fapll_set_bypass()
104 writel_relaxed(v, fd->base); in ti_fapll_set_bypass()
107 static void ti_fapll_clear_bypass(struct fapll_data *fd) in ti_fapll_clear_bypass() argument
109 u32 v = readl_relaxed(fd->base); in ti_fapll_clear_bypass()
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| /Linux-v5.15/tools/lib/perf/ |
| D | evsel.c | 46 #define FD(e, x, y) ((int *) xyarray__entry(e->fd, x, y))
51 evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int)); in perf_evsel__alloc_fd()
53 if (evsel->fd) { in perf_evsel__alloc_fd()
57 int *fd = FD(evsel, cpu, thread); in perf_evsel__alloc_fd() local
59 if (fd) in perf_evsel__alloc_fd()
60 *fd = -1; in perf_evsel__alloc_fd()
65 return evsel->fd != NULL ? 0 : -ENOMEM; in perf_evsel__alloc_fd()
86 int *fd; in get_group_fd() local
97 if (!leader->fd) in get_group_fd()
100 fd = FD(leader, cpu, thread); in get_group_fd()
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| /Linux-v5.15/tools/testing/selftests/efivarfs/ |
| D | open-unlink.c | 16 int fd; in set_immutable() local
20 fd = open(path, O_RDONLY); in set_immutable()
21 if (fd < 0) in set_immutable()
22 return fd; in set_immutable()
24 rc = ioctl(fd, FS_IOC_GETFLAGS, &flags); in set_immutable()
27 close(fd); in set_immutable()
37 rc = ioctl(fd, FS_IOC_SETFLAGS, &flags); in set_immutable()
39 close(fd); in set_immutable()
47 int fd; in get_immutable() local
51 fd = open(path, O_RDONLY); in get_immutable()
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| /Linux-v5.15/drivers/infiniband/hw/hfi1/ |
| D | user_exp_rcv.c | 15 struct hfi1_filedata *fd);
17 static int set_rcvarray_entry(struct hfi1_filedata *fd,
26 static int program_rcvarray(struct hfi1_filedata *fd, struct tid_user_buf *,
31 static int unprogram_rcvarray(struct hfi1_filedata *fd, u32 tidinfo,
33 static void clear_tid_node(struct hfi1_filedata *fd, struct tid_rb_node *node);
44 int hfi1_user_exp_rcv_init(struct hfi1_filedata *fd, in hfi1_user_exp_rcv_init() argument
49 fd->entry_to_rb = kcalloc(uctxt->expected_count, in hfi1_user_exp_rcv_init()
52 if (!fd->entry_to_rb) in hfi1_user_exp_rcv_init()
56 fd->invalid_tid_idx = 0; in hfi1_user_exp_rcv_init()
57 fd->invalid_tids = kcalloc(uctxt->expected_count, in hfi1_user_exp_rcv_init()
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| /Linux-v5.15/samples/timers/ |
| D | hpet_example.c | 82 int fd; in hpet_open_close() local
89 fd = open(argv[0], O_RDONLY); in hpet_open_close()
90 if (fd < 0) in hpet_open_close()
93 close(fd); in hpet_open_close()
102 int fd; in hpet_info() local
109 fd = open(argv[0], O_RDONLY); in hpet_info()
110 if (fd < 0) { in hpet_info()
115 if (ioctl(fd, HPET_INFO, &info) < 0) { in hpet_info()
126 close(fd); in hpet_info()
134 int iterations, i, fd; in hpet_poll() local
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| /Linux-v5.15/arch/um/drivers/ |
| D | port_kern.c | 24 int fd; member
38 int fd; member
48 int fd; in pipe_interrupt() local
50 fd = os_rcv_fd(conn->socket[0], &conn->helper_pid); in pipe_interrupt()
51 if (fd < 0) { in pipe_interrupt()
52 if (fd == -EAGAIN) in pipe_interrupt()
56 -fd); in pipe_interrupt()
57 os_close_file(conn->fd); in pipe_interrupt()
62 conn->fd = fd; in pipe_interrupt()
79 int fd, socket[2], pid; in port_accept() local
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| /Linux-v5.15/tools/testing/selftests/sync/ |
| D | sync.c | 58 int sync_wait(int fd, int timeout) in sync_wait() argument
62 fds.fd = fd; in sync_wait()
84 static struct sync_file_info *sync_file_info(int fd) in sync_file_info() argument
94 err = ioctl(fd, SYNC_IOC_FILE_INFO, info); in sync_file_info()
114 err = ioctl(fd, SYNC_IOC_FILE_INFO, info); in sync_file_info()
131 int sync_fence_size(int fd) in sync_fence_size() argument
134 struct sync_file_info *info = sync_file_info(fd); in sync_fence_size()
146 int sync_fence_count_with_status(int fd, int status) in sync_fence_count_with_status() argument
150 struct sync_file_info *info = sync_file_info(fd); in sync_fence_count_with_status()
171 int sw_sync_timeline_inc(int fd, unsigned int count) in sw_sync_timeline_inc() argument
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| /Linux-v5.15/tools/perf/tests/attr/ |
| D | test-stat-detailed-3 | 9 fd=1
15 fd=2
21 fd=3
27 fd=4
33 fd=5
40 fd=6
47 fd=7
54 fd=8
61 fd=9
68 fd=10
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