📦 linux-manual

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F (continued)

fdt_getprop(9)retrieve the value of a given property✨
fdt_getprop_by_offset(9)retrieve the value of a property at a given offset✨
fdt_getprop_namelen(9)get property value based on substring✨
fdt_header_size(9)return the size of the tree's header✨
fdt_header_size_(9)internal function to get header size from a version number✨
fdt_init_reserved_mem_node(9)Initialize a reserved memory region✨
FDT_MAX_NCELLS(9)maximum value for #address-cells and #size-cells✨
fdt_move(9)move a device tree around in memory✨
fdt_next_property_offset(9)step through a node's properties✨
fdt_next_subnode(9)get offset of next direct subnode✨
fdt_next_tag(9)get next tag in the device tree✨
fdt_node_check_compatible(9)check a node's compatible property✨
fdt_node_depth(9)find the depth of a given node✨
fdt_node_offset_by_compatible(9)find nodes with a given 'compatible' value✨
fdt_node_offset_by_phandle(9)find the node with a given phandle✨
fdt_node_offset_by_prop_value(9)find nodes with a given property value✨
fdt_nop_node(9)replace a node (subtree) with nop tags✨
fdt_nop_property(9)replace a property with nop tags✨
fdt_num_mem_rsv(9)retrieve the number of memory reserve map entries✨
fdt_offset_ptr(9)safely get a byte range within the device tree blob✨
fdt_open_into(9)move a device tree into a new buffer and make editable✨
fdt_overlay_apply(9)Applies a DT overlay on a base DT✨
fdt_overlay_target_offset(9)retrieves the offset of a fragment's target✨
fdt_pack(9)pack a device tree blob✨
fdt_parent_offset(9)find the parent of a given node✨
fdt_path_offset(9)find a tree node by its full path✨
fdt_path_offset_namelen(9)find a tree node by its full path✨
fdt_property(9)add a property to the current node✨
fdt_property_placeholder(9)add a new property and return a ptr to its value✨
fdt_resize(9)move and resize a device tree in sequential write state✨
fdt_scan_reserved_mem_late(9)Scan FDT and initialize remaining reserved memory regions.✨
fdt_set_name(9)change the name of a given node✨
fdt_setprop(9)create or change a property✨
fdt_setprop_cell(9)set a property to a single cell value✨
fdt_setprop_empty(9)set a property to an empty value✨
fdt_setprop_inplace(9)change a property's value, but not its size✨
fdt_setprop_inplace_cell(9)change the value of a single-cell property✨
fdt_setprop_inplace_namelen_partial(9)change a property's value, but not its size✨
fdt_setprop_inplace_u32(9)change the value of a 32-bit integer property✨
fdt_setprop_inplace_u64(9)change the value of a 64-bit integer property✨
fdt_setprop_namelen(9)create or change a property✨
fdt_setprop_namelen_string(9)set a property to a string value✨
fdt_setprop_placeholder(9)allocate space for a property✨
fdt_setprop_placeholder_namelen(9)allocate space for a property✨
fdt_setprop_string(9)set a property to a string value✨
fdt_setprop_u32(9)set a property to a 32-bit integer✨
fdt_setprop_u64(9)set a property to a 64-bit integer✨
fdt_size_cells(9)retrieve address range size for a bus represented in the tree✨
fdt_strerror(9)return string description of error code✨
fdt_string(9)retrieve a string from the strings block of a device tree✨
fdt_stringlist_contains(9)check a string list property for a string✨
fdt_stringlist_count(9)count the number of strings in a string list✨
fdt_stringlist_get(9)obtain the string at a given index in a string list✨
fdt_stringlist_search(9)find a string in a string list and return its index✨
fdt_subnode_offset(9)find a subnode of a given node✨
fdt_subnode_offset_namelen(9)find a subnode based on substring✨
fdt_supernode_atdepth_offset(9)find a specific ancestor of a node✨
fdt_validate_reserved_mem_node(9)validate a reserved memory node✨
fec_ptp_adjfine(9)adjust ptp cycle frequency✨
fec_ptp_adjtime(9)✨
fec_ptp_enable(9)✨
fec_ptp_enable_pps(9)✨
fec_ptp_gettime(9)✨
fec_ptp_init(9)✨
fec_ptp_read(9)read raw cycle counter (to be used by time counter)✨
fec_ptp_settime(9)✨
fec_ptp_start_cyclecounter(9)create the cycle counter from hw✨
feedback_urb_complete(9)Completion handler for feedback isochronous URBs.✨
felix_update_tag_8021q_rx_rule(9)Update VCAP ES0 tag_8021q rule after vlan_filtering change✨
fence cross-driver contract(9)✨
fence register handling(9)✨
fence signalling annotation(9)✨
fetch_next_timer_interrupt_remote(9)Store next timers into @tevt✨
fetch_page(9)Fetch a page from the block map.✨
ffb_blank(9)Optional function. Blanks the display.✨
ffb_copyarea(9)Copies on area of the screen to another area.✨
ffb_fillrect(9)Draws a rectangle on the screen.✨
ffb_imageblit(9)Copies a image from system memory to the screen.✨
ffb_setcolreg(9)Sets a color register.✨
ffs(9)find first bit set✨
ffz(9)find first zero bit in word✨
fgf_set_order(9)Encode a length in the fgf_t flags.✨
fgf_t(9)Flags for getting folios from the page cache.✨
fgraph_get_task_var(9)retrieve a task specific state variable✨
fgraph_reserve_data(9)Reserve storage on the task's ret_stack✨
fgraph_retrieve_data(9)Retrieve stored data from fgraph_reserve_data()✨
fgraph_retrieve_parent_data(9)get data from a parent function✨
fh_claim_device(9)claim a "claimable" shared device✨
fh_clear_pre_post_attrs(9)Reset pre/post attributes✨
fh_dma_disable(9)disable DMA for the specified device✨
fh_dma_enable(9)enable DMA for the specified device✨
fh_drop_write(9)Release write access on an export✨
fh_enter_nap(9)enter nap on a vcpu✨
fh_err_get_info(9)get platform error information @queue id: 0 for guest error event queue 1 for global error event queue✨
fh_exit_nap(9)exit nap on a vcpu✨
fh_fill_both_attrs(9)Fill pre-op and post-op attributes✨
fh_fill_post_attrs(9)Fill in post-op attributes✨
fh_fill_pre_attrs(9)Fill in pre-op attributes✨
fh_get_core_state(9)get the state of a vcpu✨
fh_getattr(9)Retrieve attributes on a local file✨
fh_partition_get_dtprop(9)get a property from a guest device tree.✨
fh_partition_get_status(9)gets the status of a partition✨
fh_partition_memcpy(9)copies data from one guest to another✨
fh_partition_restart(9)reboot the current partition✨
fh_partition_start(9)boots and starts execution of the specified partition✨
fh_partition_stop(9)stops another partition✨
fh_send_nmi(9)send NMI to virtual cpu(s).✨
fh_system_reset(9)reset the system✨
fh_verify(9)filehandle lookup and access checking✨
fh_verify_local(9)filehandle lookup and access checking✨
fh_vmpic_get_msir(9)returns the MPIC-MSI register value✨
fh_want_write(9)Get write access to an export✨
fib_dealloc(9)deallocate a fib✨
fib_map_alloc(9)allocate the fib objects✨
fiber_lpa_mod_linkmode_lpa_t(9)✨
FIELD_FIT(9)check if value fits in the field✨
FIELD_GET(9)extract a bitfield element✨
field_get(9)extract a bitfield element✨
FIELD_GET_SIGNED(9)extract a signed bitfield element✨
FIELD_MAX(9)produce the maximum value representable by a field✨
FIELD_MODIFY(9)modify a bitfield element✨
FIELD_PREP(9)prepare a bitfield element✨
field_prep(9)prepare a bitfield element✨
FIELD_PREP_CONST(9)prepare a constant bitfield element✨
FIELD_PREP_WM16(9)prepare a bitfield element with a mask in the upper half✨
FIELD_PREP_WM16_CONST(9)prepare a constant bitfield element with a mask in the upper half✨
fiemap_fill_next_extent(9)Fiemap helper function✨
fiemap_prep(9)check validity of requested flags for fiemap✨
fifo underrun handling(9)✨
fifo_icap_busy(9)Check the ICAP busy status.✨
fifo_icap_fifo_read(9)Read data from the Read FIFO.✨
fifo_icap_fifo_write(9)Write data to the write FIFO.✨
fifo_icap_flush_fifo(9)This function flushes the FIFOs in the device.✨
fifo_icap_get_configuration(9)Read configuration data from the device.✨
fifo_icap_get_status(9)Get the contents of the status register.✨
fifo_icap_read_fifo_occupancy(9)Query the read fifo available data.✨
fifo_icap_reset(9)Reset the logic of the icap device.✨
fifo_icap_set_configuration(9)Send configuration data to the ICAP.✨
fifo_icap_set_read_size(9)Set the size register.✨
fifo_icap_start_config(9)Initiate a configuration (write) to the device.✨
fifo_icap_start_readback(9)Initiate a readback from the device.✨
fifo_icap_write_fifo_vacancy(9)Query the write fifo available space.✨
fifo_show(9)debugfs: show the fifo information✨
file operations(9)✨
file_audit_cb(9)call back for file specific audit fields✨
file_check_and_advance_wb_err(9)report wb error (if any) that was previously and advance wb_err to current one✨
file_close_fd(9)return file associated with fd✨
file_close_fd_locked(9)return file associated with fd✨
file_end_write(9)drop write access to a superblock of a regular file✨
file_fdatawait_range(9)wait for writeback to complete✨
file_init_path(9)initialize a 'struct file' based on path✨
file_modified(9)handle mandated vfs changes when modifying a file✨
file_modified_flags(9)handle mandated vfs changes when modifying a file✨
file_ns_capable(9)Determine if the file's opener had a capability in effect✨
file_open_name(9)open file and return file pointer✨
file_ref_get(9)Acquire one reference on a file✨
file_ref_inc(9)Acquire one reference on a file✨
file_ref_init(9)Initialize a file reference count✨
file_ref_put(9)- Release a file reference✨
file_ref_put_close(9)drop a reference expecting it would transition to FILE_REF_NOREF✨
file_ref_read(9)Read the number of file references✨
file_remove_privs(9)remove special file privileges (suid, capabilities)✨
file_sample_sb_err(9)sample the current errseq_t to test for later errors✨
file_start_write(9)get write access to a superblock for regular file io✨
file_to_blk_mode(9)get block open flags from file flags✨
file_to_v4l2_fh(9)Return the v4l2_fh associated with a struct file✨
file_update_time(9)update mtime and ctime time✨
file_write_and_wait_range(9)write out & wait on a file range✨
file_write_not_started(9)check if SB_FREEZE_WRITE is not held✨
file_write_started(9)check if SB_FREEZE_WRITE is held✨
fileattr_fill_flags(9)initialize fileattr with flags✨
fileattr_fill_xflags(9)initialize fileattr with xflags✨
fileattr_has_fsx(9)check for extended flags/attributes✨
filemap_cachestat(9)compute the page cache statistics of a mapping✨
filemap_check_wb_err(9)has an error occurred since the mark was sampled?✨
filemap_dirty_folio(9)Mark a folio dirty for filesystems which do not use buffer_heads.✨
filemap_dontcache_kick_writeback(9)kick flusher for IOCB_DONTCACHE writes✨
filemap_fault(9)read in file data for page fault handling✨
filemap_fdatawait_keep_errors(9)wait for writeback without clearing errors✨
filemap_fdatawait_range(9)wait for writeback to complete✨
filemap_fdatawait_range_keep_errors(9)wait for writeback to complete✨
filemap_fdatawrite_range(9)start writeback on mapping dirty pages in range✨
filemap_flush(9)mostly a non-blocking flush✨
filemap_flush_range(9)start writeback on a range✨
filemap_get_folio(9)Find and get a folio.✨
filemap_get_folios(9)Get a batch of folios✨
filemap_get_folios_contig(9)Get a batch of contiguous folios✨
filemap_get_folios_dirty(9)Get a batch of dirty folios✨
filemap_get_folios_tag(9)Get a batch of folios matching @tag✨
filemap_grab_folio(9)grab a folio from the page cache✨
filemap_invalidate_inode(9)Invalidate/forcibly write back a range of an inode's pagecache✨
filemap_lock_folio(9)Find and lock a folio.✨
filemap_range_has_page(9)check if a page exists in range.✨
filemap_range_needs_writeback(9)check if range potentially needs writeback✨
filemap_read(9)Read data from the page cache.✨
filemap_release_folio(9)Release fs-specific metadata on a folio.✨
filemap_remove_folio(9)Remove folio from page cache.✨
filemap_sample_wb_err(9)sample the current errseq_t to test for later errors✨
filemap_set_wb_err(9)set a writeback error on an address_space✨
filemap_splice_read(9)Splice data from a file's pagecache into a pipe✨