| /Linux-v5.15/scripts/dtc/libfdt/ |
| D | fdt_sw.c | 13 static int fdt_sw_probe_(void *fdt) in fdt_sw_probe_() argument
16 if (fdt_magic(fdt) == FDT_MAGIC) in fdt_sw_probe_()
18 else if (fdt_magic(fdt) != FDT_SW_MAGIC) in fdt_sw_probe_()
25 #define FDT_SW_PROBE(fdt) \ argument
28 if ((err = fdt_sw_probe_(fdt)) != 0) \
38 static int fdt_sw_probe_memrsv_(void *fdt) in fdt_sw_probe_memrsv_() argument
40 int err = fdt_sw_probe_(fdt); in fdt_sw_probe_memrsv_()
44 if (!can_assume(VALID_INPUT) && fdt_off_dt_strings(fdt) != 0) in fdt_sw_probe_memrsv_()
49 #define FDT_SW_PROBE_MEMRSV(fdt) \ argument
52 if ((err = fdt_sw_probe_memrsv_(fdt)) != 0) \
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| D | libfdt.h | 120 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
122 static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) in fdt_offset_ptr_w() argument
124 return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); in fdt_offset_ptr_w()
127 uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
186 int fdt_next_node(const void *fdt, int offset, int *depth);
195 int fdt_first_subnode(const void *fdt, int offset);
208 int fdt_next_subnode(const void *fdt, int offset);
232 #define fdt_for_each_subnode(node, fdt, parent) \ argument
233 for (node = fdt_first_subnode(fdt, parent); \
235 node = fdt_next_subnode(fdt, node))
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| D | fdt_rw.c | 13 static int fdt_blocks_misordered_(const void *fdt, in fdt_blocks_misordered_() argument
16 return (fdt_off_mem_rsvmap(fdt) < FDT_ALIGN(sizeof(struct fdt_header), 8)) in fdt_blocks_misordered_()
17 || (fdt_off_dt_struct(fdt) < in fdt_blocks_misordered_()
18 (fdt_off_mem_rsvmap(fdt) + mem_rsv_size)) in fdt_blocks_misordered_()
19 || (fdt_off_dt_strings(fdt) < in fdt_blocks_misordered_()
20 (fdt_off_dt_struct(fdt) + struct_size)) in fdt_blocks_misordered_()
21 || (fdt_totalsize(fdt) < in fdt_blocks_misordered_()
22 (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt))); in fdt_blocks_misordered_()
25 static int fdt_rw_probe_(void *fdt) in fdt_rw_probe_() argument
29 FDT_RO_PROBE(fdt); in fdt_rw_probe_()
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| D | fdt_ro.c | 13 static int fdt_nodename_eq_(const void *fdt, int offset, in fdt_nodename_eq_() argument
17 const char *p = fdt_get_name(fdt, offset, &olen); in fdt_nodename_eq_()
34 const char *fdt_get_string(const void *fdt, int stroffset, int *lenp) in fdt_get_string() argument
43 s = (const char *)fdt + fdt_off_dt_strings(fdt) + stroffset; in fdt_get_string()
49 totalsize = fdt_ro_probe_(fdt); in fdt_get_string()
55 absoffset = stroffset + fdt_off_dt_strings(fdt); in fdt_get_string()
60 if (fdt_magic(fdt) == FDT_MAGIC) { in fdt_get_string()
63 if (can_assume(LATEST) || fdt_version(fdt) >= 17) { in fdt_get_string()
64 if ((unsigned)stroffset >= fdt_size_dt_strings(fdt)) in fdt_get_string()
66 if ((fdt_size_dt_strings(fdt) - stroffset) < len) in fdt_get_string()
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| D | fdt.c | 18 int32_t fdt_ro_probe_(const void *fdt) in fdt_ro_probe_() argument
20 uint32_t totalsize = fdt_totalsize(fdt); in fdt_ro_probe_()
26 if ((uintptr_t)fdt & 7) in fdt_ro_probe_()
29 if (fdt_magic(fdt) == FDT_MAGIC) { in fdt_ro_probe_()
32 if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) in fdt_ro_probe_()
34 if (fdt_last_comp_version(fdt) > in fdt_ro_probe_()
38 } else if (fdt_magic(fdt) == FDT_SW_MAGIC) { in fdt_ro_probe_()
40 if (!can_assume(VALID_INPUT) && fdt_size_dt_struct(fdt) == 0) in fdt_ro_probe_()
83 size_t fdt_header_size(const void *fdt) in fdt_header_size() argument
86 fdt_header_size_(fdt_version(fdt)); in fdt_header_size()
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| D | libfdt_internal.h | 13 int32_t fdt_ro_probe_(const void *fdt);
14 #define FDT_RO_PROBE(fdt) \ argument
17 if ((totalsize_ = fdt_ro_probe_(fdt)) < 0) \
21 int fdt_check_node_offset_(const void *fdt, int offset);
22 int fdt_check_prop_offset_(const void *fdt, int offset);
24 int fdt_node_end_offset_(void *fdt, int nodeoffset);
26 static inline const void *fdt_offset_ptr_(const void *fdt, int offset) in fdt_offset_ptr_() argument
28 return (const char *)fdt + fdt_off_dt_struct(fdt) + offset; in fdt_offset_ptr_()
31 static inline void *fdt_offset_ptr_w_(void *fdt, int offset) in fdt_offset_ptr_w_() argument
33 return (void *)(uintptr_t)fdt_offset_ptr_(fdt, offset); in fdt_offset_ptr_w_()
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| D | fdt_overlay.c | 58 static int overlay_get_target(const void *fdt, const void *fdto, in overlay_get_target() argument
75 ret = fdt_path_offset(fdt, path); in overlay_get_target()
79 ret = fdt_node_offset_by_phandle(fdt, phandle); in overlay_get_target()
116 static int overlay_phandle_add_offset(void *fdt, int node, in overlay_phandle_add_offset() argument
123 val = fdt_getprop(fdt, node, name, &len); in overlay_phandle_add_offset()
138 return fdt_setprop_inplace_u32(fdt, node, name, adj_val); in overlay_phandle_add_offset()
368 static int overlay_fixup_one_phandle(void *fdt, void *fdto, in overlay_fixup_one_phandle() argument
383 symbol_path = fdt_getprop(fdt, symbols_off, label, in overlay_fixup_one_phandle()
388 symbol_off = fdt_path_offset(fdt, symbol_path); in overlay_fixup_one_phandle()
392 phandle = fdt_get_phandle(fdt, symbol_off); in overlay_fixup_one_phandle()
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| D | fdt_wip.c | 13 int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset, in fdt_setprop_inplace_namelen_partial() argument
21 propval = fdt_getprop_namelen_w(fdt, nodeoffset, name, namelen, in fdt_setprop_inplace_namelen_partial()
33 int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, in fdt_setprop_inplace() argument
39 propval = fdt_getprop(fdt, nodeoffset, name, &proplen); in fdt_setprop_inplace()
46 return fdt_setprop_inplace_namelen_partial(fdt, nodeoffset, name, in fdt_setprop_inplace()
59 int fdt_nop_property(void *fdt, int nodeoffset, const char *name) in fdt_nop_property() argument
64 prop = fdt_get_property_w(fdt, nodeoffset, name, &len); in fdt_nop_property()
73 int fdt_node_end_offset_(void *fdt, int offset) in fdt_node_end_offset_() argument
78 offset = fdt_next_node(fdt, offset, &depth); in fdt_node_end_offset_()
83 int fdt_nop_node(void *fdt, int nodeoffset) in fdt_nop_node() argument
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| D | fdt_addresses.c | 14 static int fdt_cells(const void *fdt, int nodeoffset, const char *name) in fdt_cells() argument
20 c = fdt_getprop(fdt, nodeoffset, name, &len); in fdt_cells()
34 int fdt_address_cells(const void *fdt, int nodeoffset) in fdt_address_cells() argument
38 val = fdt_cells(fdt, nodeoffset, "#address-cells"); in fdt_address_cells()
46 int fdt_size_cells(const void *fdt, int nodeoffset) in fdt_size_cells() argument
50 val = fdt_cells(fdt, nodeoffset, "#size-cells"); in fdt_size_cells()
57 int fdt_appendprop_addrrange(void *fdt, int parent, int nodeoffset, in fdt_appendprop_addrrange() argument
63 ret = fdt_address_cells(fdt, parent); in fdt_appendprop_addrrange()
68 ret = fdt_size_cells(fdt, parent); in fdt_appendprop_addrrange()
99 return fdt_appendprop(fdt, nodeoffset, name, data, in fdt_appendprop_addrrange()
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| /Linux-v5.15/drivers/of/ |
| D | kexec.c | 38 static int fdt_find_and_del_mem_rsv(void *fdt, unsigned long start, unsigned long size) in fdt_find_and_del_mem_rsv() argument
40 int i, ret, num_rsvs = fdt_num_mem_rsv(fdt); in fdt_find_and_del_mem_rsv()
45 ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size); in fdt_find_and_del_mem_rsv()
52 ret = fdt_del_mem_rsv(fdt, i); in fdt_find_and_del_mem_rsv()
186 static void remove_ima_buffer(void *fdt, int chosen_node) in remove_ima_buffer() argument
196 prop = fdt_getprop(fdt, chosen_node, "linux,ima-kexec-buffer", &len); in remove_ima_buffer()
201 fdt_delprop(fdt, chosen_node, "linux,ima-kexec-buffer"); in remove_ima_buffer()
205 ret = fdt_find_and_del_mem_rsv(fdt, addr, size); in remove_ima_buffer()
219 static int setup_ima_buffer(const struct kimage *image, void *fdt, in setup_ima_buffer() argument
227 ret = fdt_appendprop_addrrange(fdt, 0, chosen_node, in setup_ima_buffer()
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| /Linux-v5.15/fs/ |
| D | file.c | 34 static void __free_fdtable(struct fdtable *fdt) in __free_fdtable() argument
36 kvfree(fdt->fd); in __free_fdtable()
37 kvfree(fdt->open_fds); in __free_fdtable()
38 kfree(fdt); in __free_fdtable()
92 struct fdtable *fdt; in alloc_fdtable() local
116 fdt = kmalloc(sizeof(struct fdtable), GFP_KERNEL_ACCOUNT); in alloc_fdtable()
117 if (!fdt) in alloc_fdtable()
119 fdt->max_fds = nr; in alloc_fdtable()
123 fdt->fd = data; in alloc_fdtable()
130 fdt->open_fds = data; in alloc_fdtable()
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| /Linux-v5.15/arch/arm/boot/compressed/ |
| D | atags_to_fdt.c | 14 static int node_offset(void *fdt, const char *node_path) in node_offset() argument
16 int offset = fdt_path_offset(fdt, node_path); in node_offset()
19 offset = fdt_add_subnode(fdt, 0, node_path + 1); in node_offset()
23 static int setprop(void *fdt, const char *node_path, const char *property, in setprop() argument
26 int offset = node_offset(fdt, node_path); in setprop()
29 return fdt_setprop(fdt, offset, property, val_array, size); in setprop()
32 static int setprop_string(void *fdt, const char *node_path, in setprop_string() argument
35 int offset = node_offset(fdt, node_path); in setprop_string()
38 return fdt_setprop_string(fdt, offset, property, string); in setprop_string()
41 static int setprop_cell(void *fdt, const char *node_path, in setprop_cell() argument
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| D | fdt_check_mem_start.c | 7 static const void *get_prop(const void *fdt, const char *node_path, in get_prop() argument
13 offset = fdt_path_offset(fdt, node_path); in get_prop()
17 prop = fdt_getprop(fdt, offset, property, &len); in get_prop()
24 static uint32_t get_cells(const void *fdt, const char *name) in get_cells() argument
26 const fdt32_t *prop = get_prop(fdt, "/", name, sizeof(fdt32_t)); in get_cells()
62 uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) in fdt_check_mem_start() argument
71 if (!fdt) in fdt_check_mem_start()
74 if (fdt_magic(fdt) != FDT_MAGIC) in fdt_check_mem_start()
78 addr_cells = get_cells(fdt, "#address-cells"); in fdt_check_mem_start()
79 size_cells = get_cells(fdt, "#size-cells"); in fdt_check_mem_start()
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| /Linux-v5.15/drivers/firmware/efi/libstub/ |
| D | fdt.c | 19 static void fdt_update_cell_size(void *fdt) in fdt_update_cell_size() argument
23 offset = fdt_path_offset(fdt, "/"); in fdt_update_cell_size()
26 fdt_setprop_u32(fdt, offset, "#address-cells", EFI_DT_ADDR_CELLS_DEFAULT); in fdt_update_cell_size()
27 fdt_setprop_u32(fdt, offset, "#size-cells", EFI_DT_SIZE_CELLS_DEFAULT); in fdt_update_cell_size()
31 void *fdt, int new_fdt_size, char *cmdline_ptr, in update_fdt() argument
56 status = fdt_open_into(orig_fdt, fdt, new_fdt_size); in update_fdt()
58 status = fdt_create_empty_tree(fdt, new_fdt_size); in update_fdt()
64 fdt_update_cell_size(fdt); in update_fdt()
75 num_rsv = fdt_num_mem_rsv(fdt); in update_fdt()
77 fdt_del_mem_rsv(fdt, num_rsv); in update_fdt()
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| D | riscv-stub.c | 30 const void *fdt; in get_boot_hartid_from_fdt() local
34 fdt = get_efi_config_table(DEVICE_TREE_GUID); in get_boot_hartid_from_fdt()
35 if (!fdt) in get_boot_hartid_from_fdt()
38 chosen_node = fdt_path_offset(fdt, "/chosen"); in get_boot_hartid_from_fdt()
42 prop = fdt_getprop((void *)fdt, chosen_node, "boot-hartid", &len); in get_boot_hartid_from_fdt()
59 void __noreturn efi_enter_kernel(unsigned long entrypoint, unsigned long fdt, in efi_enter_kernel() argument
73 jump_kernel(hartid, fdt); in efi_enter_kernel()
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| /Linux-v5.15/arch/mips/generic/ |
| D | board-sead3.c | 43 static __init int append_memory(void *fdt) in append_memory() argument
45 return yamon_dt_append_memory(fdt, mem_regions); in append_memory()
48 static __init int remove_gic(void *fdt) in remove_gic() argument
61 gic_off = fdt_node_offset_by_compatible(fdt, -1, "mti,gic"); in remove_gic()
67 err = fdt_nop_node(fdt, gic_off); in remove_gic()
73 cpu_off = fdt_node_offset_by_compatible(fdt, -1, in remove_gic()
80 cpu_phandle = fdt_get_phandle(fdt, cpu_off); in remove_gic()
86 uart_off = fdt_node_offset_by_compatible(fdt, -1, "ns16550a"); in remove_gic()
88 err = fdt_setprop_u32(fdt, uart_off, "interrupt-parent", in remove_gic()
96 err = fdt_setprop_u32(fdt, uart_off, "interrupts", in remove_gic()
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| D | init.c | 23 static __initconst const void *fdt; variable
30 BUG_ON(!fdt); in prom_init()
38 if (fdt) in plat_get_fdt()
40 return (void *)fdt; in plat_get_fdt()
42 fdt = (void *)get_fdt(); in plat_get_fdt()
43 if (fdt && !fdt_check_header(fdt)) { in plat_get_fdt()
50 match = mips_machine_is_compatible(check_mach, fdt); in plat_get_fdt()
80 fdt = mach->fdt; in plat_get_fdt()
82 return (void *)fdt; in plat_get_fdt()
94 fdt = NULL; in plat_fdt_relocated()
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| D | yamon-dt.c | 20 __init int yamon_dt_append_cmdline(void *fdt) in yamon_dt_append_cmdline() argument
25 chosen_off = fdt_path_offset(fdt, "/chosen"); in yamon_dt_append_cmdline()
27 chosen_off = fdt_add_subnode(fdt, 0, "chosen"); in yamon_dt_append_cmdline()
34 err = fdt_setprop_string(fdt, chosen_off, "bootargs", fw_getcmdline()); in yamon_dt_append_cmdline()
75 __init int yamon_dt_append_memory(void *fdt, in yamon_dt_append_memory() argument
122 mem_off = fdt_path_offset(fdt, "/memory"); in yamon_dt_append_memory()
124 mem_off = fdt_add_subnode(fdt, 0, "memory"); in yamon_dt_append_memory()
130 err = fdt_setprop_string(fdt, mem_off, "device_type", "memory"); in yamon_dt_append_memory()
138 err = fdt_setprop(fdt, mem_off, "reg", in yamon_dt_append_memory()
147 err = fdt_setprop(fdt, mem_off, "linux,usable-memory", in yamon_dt_append_memory()
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| /Linux-v5.15/arch/powerpc/boot/ |
| D | libfdt-wrapper.c | 40 static void *fdt; variable
47 int size = fdt_totalsize(fdt); in expand_buf()
54 rc = fdt_open_into(fdt, buf, size); in expand_buf()
59 fdt = buf; in expand_buf()
64 return offset_devp(fdt_path_offset(fdt, path)); in fdt_wrapper_finddevice()
73 p = fdt_getprop(fdt, devp_offset(devp), name, &len); in fdt_wrapper_getprop()
85 rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len); in fdt_wrapper_setprop()
88 rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len); in fdt_wrapper_setprop()
96 return fdt_del_node(fdt, devp_offset(devp)); in fdt_wrapper_del_node()
101 return offset_devp(fdt_parent_offset(fdt, devp_offset(devp))); in fdt_wrapper_get_parent()
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| /Linux-v5.15/arch/powerpc/mm/nohash/ |
| D | kaslr_booke.c | 45 static __init void kaslr_get_cmdline(void *fdt) in kaslr_get_cmdline() argument
47 int node = fdt_path_offset(fdt, "/chosen"); in kaslr_get_cmdline()
71 static unsigned long __init get_boot_seed(void *fdt) in get_boot_seed() argument
76 hash = rotate_xor(hash, fdt, fdt_totalsize(fdt)); in get_boot_seed()
81 static __init u64 get_kaslr_seed(void *fdt) in get_kaslr_seed() argument
87 node = fdt_path_offset(fdt, "/chosen"); in get_kaslr_seed()
91 prop = fdt_getprop_w(fdt, node, "kaslr-seed", &len); in get_kaslr_seed()
105 static __init bool overlaps_reserved_region(const void *fdt, u32 start, in overlaps_reserved_region() argument
112 for (i = 0; i < fdt_num_mem_rsv(fdt); i++) { in overlaps_reserved_region()
113 if (fdt_get_mem_rsv(fdt, i, &base, &size) < 0) in overlaps_reserved_region()
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| /Linux-v5.15/arch/mips/mti-malta/ |
| D | malta-dtshim.c | 131 static void __init append_memory(void *fdt, int root_off) in append_memory() argument
144 mem_off = fdt_path_offset(fdt, "/memory"); in append_memory()
206 mem_off = fdt_add_subnode(fdt, root_off, "memory"); in append_memory()
210 err = fdt_setprop_string(fdt, mem_off, "device_type", "memory"); in append_memory()
215 err = fdt_setprop(fdt, mem_off, "reg", mem_array, in append_memory()
221 err = fdt_setprop(fdt, mem_off, "linux,usable-memory", mem_array, in append_memory()
227 static void __init remove_gic(void *fdt) in remove_gic() argument
254 gic_off = fdt_node_offset_by_compatible(fdt, -1, "mti,gic"); in remove_gic()
261 err = fdt_nop_node(fdt, gic_off); in remove_gic()
265 i8259_off = fdt_node_offset_by_compatible(fdt, -1, "intel,i8259"); in remove_gic()
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| /Linux-v5.15/tools/testing/selftests/net/ |
| D | txring_overwrite.c | 90 int fdt; in setup_tx() local
92 fdt = socket(PF_PACKET, SOCK_RAW, 0); in setup_tx()
93 if (fdt == -1) in setup_tx()
102 if (bind(fdt, (void *)&laddr, sizeof(laddr))) in setup_tx()
110 if (setsockopt(fdt, SOL_PACKET, PACKET_TX_RING, in setup_tx()
115 PROT_READ | PROT_WRITE, MAP_SHARED, fdt, 0); in setup_tx()
119 return fdt; in setup_tx()
122 static void send_pkt(int fdt, void *slot, char payload_char) in send_pkt() argument
135 ret = sendto(fdt, NULL, 0, 0, NULL, 0); in send_pkt()
162 int fdr, fdt, ret = 0; in main() local
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| /Linux-v5.15/include/linux/ |
| D | fdtable.h | 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()
57 struct fdtable __rcu *fdt; member
78 rcu_dereference_check_fdtable((files), (files)->fdt)
85 struct fdtable *fdt = rcu_dereference_raw(files->fdt); in files_lookup_fd_raw() local
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()
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| /Linux-v5.15/arch/powerpc/kexec/ |
| D | elf_64.c | 35 void *fdt; in elf64_load() local
105 fdt = of_kexec_alloc_and_setup_fdt(image, initrd_load_addr, in elf64_load()
108 if (!fdt) { in elf64_load()
114 ret = setup_new_fdt_ppc64(image, fdt, initrd_load_addr, in elf64_load()
119 fdt_pack(fdt); in elf64_load()
121 kbuf.buffer = fdt; in elf64_load()
122 kbuf.bufsz = kbuf.memsz = fdt_totalsize(fdt); in elf64_load()
131 image->arch.fdt = fdt; in elf64_load()
138 ret = setup_purgatory_ppc64(image, slave_code, fdt, kernel_load_addr, in elf64_load()
146 kvfree(fdt); in elf64_load()
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| /Linux-v5.15/arch/arm64/kernel/ |
| D | kaslr.c | 35 static __init u64 get_kaslr_seed(void *fdt) in get_kaslr_seed() argument
41 node = fdt_path_offset(fdt, "/chosen"); in get_kaslr_seed()
45 prop = fdt_getprop_w(fdt, node, "kaslr-seed", &len); in get_kaslr_seed()
66 void *fdt; in kaslr_early_init() local
84 fdt = get_early_fdt_ptr(); in kaslr_early_init()
85 if (!fdt) { in kaslr_early_init()
93 seed = get_kaslr_seed(fdt); in kaslr_early_init()
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