| /Linux-v5.4/scripts/dtc/libfdt/ |
| D | fdt_sw.c | 13 static int fdt_sw_probe_(void *fdt) in fdt_sw_probe_() argument
15 if (fdt_magic(fdt) == FDT_MAGIC) in fdt_sw_probe_()
17 else if (fdt_magic(fdt) != FDT_SW_MAGIC) in fdt_sw_probe_()
22 #define FDT_SW_PROBE(fdt) \ argument
25 if ((err = fdt_sw_probe_(fdt)) != 0) \
35 static int fdt_sw_probe_memrsv_(void *fdt) in fdt_sw_probe_memrsv_() argument
37 int err = fdt_sw_probe_(fdt); in fdt_sw_probe_memrsv_()
41 if (fdt_off_dt_strings(fdt) != 0) in fdt_sw_probe_memrsv_()
46 #define FDT_SW_PROBE_MEMRSV(fdt) \ argument
49 if ((err = fdt_sw_probe_memrsv_(fdt)) != 0) \
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| D | libfdt.h | 111 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
113 static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) in fdt_offset_ptr_w() argument
115 return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen); in fdt_offset_ptr_w()
118 uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
179 int fdt_next_node(const void *fdt, int offset, int *depth);
188 int fdt_first_subnode(const void *fdt, int offset);
201 int fdt_next_subnode(const void *fdt, int offset);
226 #define fdt_for_each_subnode(node, fdt, parent) \ argument
227 for (node = fdt_first_subnode(fdt, parent); \
229 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
27 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
36 uint32_t absoffset = stroffset + fdt_off_dt_strings(fdt); in fdt_get_string()
41 err = fdt_ro_probe_(fdt); in fdt_get_string()
46 if (absoffset >= fdt_totalsize(fdt)) in fdt_get_string()
48 len = fdt_totalsize(fdt) - absoffset; in fdt_get_string()
50 if (fdt_magic(fdt) == FDT_MAGIC) { in fdt_get_string()
53 if (fdt_version(fdt) >= 17) { in fdt_get_string()
54 if (stroffset >= fdt_size_dt_strings(fdt)) in fdt_get_string()
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| D | fdt.c | 18 int fdt_ro_probe_(const void *fdt) in fdt_ro_probe_() argument
20 if (fdt_magic(fdt) == FDT_MAGIC) { in fdt_ro_probe_()
22 if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) in fdt_ro_probe_()
24 if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) in fdt_ro_probe_()
26 } else if (fdt_magic(fdt) == FDT_SW_MAGIC) { in fdt_ro_probe_()
28 if (fdt_size_dt_struct(fdt) == 0) in fdt_ro_probe_()
68 int fdt_check_header(const void *fdt) in fdt_check_header() argument
72 if (fdt_magic(fdt) != FDT_MAGIC) in fdt_check_header()
74 hdrsize = fdt_header_size(fdt); in fdt_check_header()
75 if ((fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) in fdt_check_header()
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| D | libfdt_internal.h | 13 int fdt_ro_probe_(const void *fdt);
14 #define FDT_RO_PROBE(fdt) \ argument
17 if ((err_ = 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()
367 static int overlay_fixup_one_phandle(void *fdt, void *fdto, in overlay_fixup_one_phandle() argument
382 symbol_path = fdt_getprop(fdt, symbols_off, label, in overlay_fixup_one_phandle()
387 symbol_off = fdt_path_offset(fdt, symbol_path); in overlay_fixup_one_phandle()
391 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()
44 int fdt_size_cells(const void *fdt, int nodeoffset) in fdt_size_cells() argument
48 val = fdt_cells(fdt, nodeoffset, "#size-cells"); in fdt_size_cells()
55 int fdt_appendprop_addrrange(void *fdt, int parent, int nodeoffset, in fdt_appendprop_addrrange() argument
61 ret = fdt_address_cells(fdt, parent); in fdt_appendprop_addrrange()
66 ret = fdt_size_cells(fdt, parent); in fdt_appendprop_addrrange()
97 return fdt_appendprop(fdt, nodeoffset, name, data, in fdt_appendprop_addrrange()
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| /Linux-v5.4/fs/ |
| D | file.c | 29 static void __free_fdtable(struct fdtable *fdt) in __free_fdtable() argument
31 kvfree(fdt->fd); in __free_fdtable()
32 kvfree(fdt->open_fds); in __free_fdtable()
33 kfree(fdt); in __free_fdtable()
87 struct fdtable *fdt; in alloc_fdtable() local
111 fdt = kmalloc(sizeof(struct fdtable), GFP_KERNEL_ACCOUNT); in alloc_fdtable()
112 if (!fdt) in alloc_fdtable()
114 fdt->max_fds = nr; in alloc_fdtable()
118 fdt->fd = data; in alloc_fdtable()
125 fdt->open_fds = data; in alloc_fdtable()
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| /Linux-v5.4/arch/arm/boot/compressed/ |
| D | atags_to_fdt.c | 13 static int node_offset(void *fdt, const char *node_path) in node_offset() argument
15 int offset = fdt_path_offset(fdt, node_path); in node_offset()
17 offset = fdt_add_subnode(fdt, 0, node_path); in node_offset()
21 static int setprop(void *fdt, const char *node_path, const char *property, in setprop() argument
24 int offset = node_offset(fdt, node_path); in setprop()
27 return fdt_setprop(fdt, offset, property, val_array, size); in setprop()
30 static int setprop_string(void *fdt, const char *node_path, in setprop_string() argument
33 int offset = node_offset(fdt, node_path); in setprop_string()
36 return fdt_setprop_string(fdt, offset, property, string); in setprop_string()
39 static int setprop_cell(void *fdt, const char *node_path, in setprop_cell() argument
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| /Linux-v5.4/drivers/firmware/efi/libstub/ |
| D | fdt.c | 19 static void fdt_update_cell_size(efi_system_table_t *sys_table, 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()
32 void *fdt, int new_fdt_size, char *cmdline_ptr, in update_fdt() argument
57 status = fdt_open_into(orig_fdt, fdt, new_fdt_size); in update_fdt()
59 status = fdt_create_empty_tree(fdt, new_fdt_size); in update_fdt()
65 fdt_update_cell_size(sys_table, fdt); in update_fdt()
76 num_rsv = fdt_num_mem_rsv(fdt); in update_fdt()
78 fdt_del_mem_rsv(fdt, num_rsv); in update_fdt()
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| /Linux-v5.4/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 __initdata 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()
49 fdt = (void *)fw_passed_dtb; in plat_get_fdt()
52 match = mips_machine_is_compatible(check_mach, fdt); in plat_get_fdt()
82 fdt = mach->fdt; in plat_get_fdt()
84 return (void *)fdt; in plat_get_fdt()
96 fdt = NULL; in plat_fdt_relocated()
107 fdt = mach->fixup_fdt(fdt, mach_match_data); in plat_mem_setup()
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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-v5.4/arch/powerpc/kernel/ |
| D | machine_kexec_file_64.c | 51 const void *fdt, unsigned long kernel_load_addr, in setup_purgatory() argument
95 int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size) in delete_fdt_mem_rsv() argument
97 int i, ret, num_rsvs = fdt_num_mem_rsv(fdt); in delete_fdt_mem_rsv()
102 ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size); in delete_fdt_mem_rsv()
109 ret = fdt_del_mem_rsv(fdt, i); in delete_fdt_mem_rsv()
133 int setup_new_fdt(const struct kimage *image, void *fdt, in setup_new_fdt() argument
141 ret = delete_fdt_mem_rsv(fdt, __pa(initial_boot_params), in setup_new_fdt()
148 chosen_node = fdt_path_offset(fdt, "/chosen"); in setup_new_fdt()
150 chosen_node = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), in setup_new_fdt()
162 prop = fdt_getprop(fdt, chosen_node, "linux,initrd-start", NULL); in setup_new_fdt()
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| D | kexec_elf_64.c | 35 void *fdt; in elf64_load() local
78 fdt = kmalloc(fdt_size, GFP_KERNEL); in elf64_load()
79 if (!fdt) { in elf64_load()
84 ret = fdt_open_into(initial_boot_params, fdt, fdt_size); in elf64_load()
91 ret = setup_new_fdt(image, fdt, initrd_load_addr, initrd_len, cmdline); in elf64_load()
95 fdt_pack(fdt); in elf64_load()
97 kbuf.buffer = fdt; in elf64_load()
110 ret = setup_purgatory(image, slave_code, fdt, kernel_load_addr, in elf64_load()
119 return ret ? ERR_PTR(ret) : fdt; in elf64_load()
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| /Linux-v5.4/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-v5.4/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-v5.4/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-v5.4/include/linux/ |
| D | fdtable.h | 35 static inline bool close_on_exec(unsigned int fd, const struct fdtable *fdt) in close_on_exec() argument
37 return test_bit(fd, fdt->close_on_exec); in close_on_exec()
40 static inline bool fd_is_open(unsigned int fd, const struct fdtable *fdt) in fd_is_open() argument
42 return test_bit(fd, fdt->open_fds); in fd_is_open()
56 struct fdtable __rcu *fdt; member
77 rcu_dereference_check_fdtable((files), (files)->fdt)
84 struct fdtable *fdt = rcu_dereference_raw(files->fdt); in __fcheck_files() local
86 if (fd < fdt->max_fds) { in __fcheck_files()
87 fd = array_index_nospec(fd, fdt->max_fds); in __fcheck_files()
88 return rcu_dereference_raw(fdt->fd[fd]); in __fcheck_files()
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| /Linux-v5.4/arch/arm64/kernel/ |
| D | kaslr.c | 25 static __init u64 get_kaslr_seed(void *fdt) in get_kaslr_seed() argument
31 node = fdt_path_offset(fdt, "/chosen"); in get_kaslr_seed()
35 prop = fdt_getprop_w(fdt, node, "kaslr-seed", &len); in get_kaslr_seed()
44 static __init const u8 *kaslr_get_cmdline(void *fdt) in kaslr_get_cmdline() argument
52 node = fdt_path_offset(fdt, "/chosen"); in kaslr_get_cmdline()
56 prop = fdt_getprop(fdt, node, "bootargs", NULL); in kaslr_get_cmdline()
75 void *fdt; in kaslr_early_init() local
93 fdt = fixmap_remap_fdt(dt_phys, &size, PAGE_KERNEL); in kaslr_early_init()
94 if (!fdt) in kaslr_early_init()
100 seed = get_kaslr_seed(fdt); in kaslr_early_init()
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| /Linux-v5.4/arch/powerpc/include/asm/ |
| D | ima.h | 11 void remove_ima_buffer(void *fdt, int chosen_node);
13 static inline void remove_ima_buffer(void *fdt, int chosen_node) {} in remove_ima_buffer() argument
20 int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node);
22 static inline int setup_ima_buffer(const struct kimage *image, void *fdt, in setup_ima_buffer() argument
25 remove_ima_buffer(fdt, chosen_node); in setup_ima_buffer()
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| /Linux-v5.4/scripts/dtc/ |
| D | flattree.c | 313 static void make_fdt_header(struct fdt_header *fdt, in make_fdt_header() argument
322 memset(fdt, 0xff, sizeof(*fdt)); in make_fdt_header()
324 fdt->magic = cpu_to_fdt32(FDT_MAGIC); in make_fdt_header()
325 fdt->version = cpu_to_fdt32(vi->version); in make_fdt_header()
326 fdt->last_comp_version = cpu_to_fdt32(vi->last_comp_version); in make_fdt_header()
331 fdt->off_mem_rsvmap = cpu_to_fdt32(reserve_off); in make_fdt_header()
332 fdt->off_dt_struct = cpu_to_fdt32(reserve_off + reservesize); in make_fdt_header()
333 fdt->off_dt_strings = cpu_to_fdt32(reserve_off + reservesize in make_fdt_header()
335 fdt->totalsize = cpu_to_fdt32(reserve_off + reservesize + dtsize + strsize); in make_fdt_header()
338 fdt->boot_cpuid_phys = cpu_to_fdt32(boot_cpuid_phys); in make_fdt_header()
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| /Linux-v5.4/arch/mips/include/asm/ |
| D | machine.h | 15 const void *fdt; member
17 const void *(*fixup_fdt)(const void *fdt, const void *match_data);
44 mips_machine_is_compatible(const struct mips_machine *mach, const void *fdt) in mips_machine_is_compatible() argument
52 if (fdt_node_check_compatible(fdt, 0, match->compatible) == 0) in mips_machine_is_compatible()
69 int (*apply)(void *fdt);
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