section 9 · Kernel routines 🧠

F (continued)

• 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.✨
• feedcomp(9)Multiply the input by the ratio of current velocity to the feed rate.✨
• 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(9)fetch data from user-space✨
• 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(9)operations on file entries✨
• 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✨
• fileassoc(9)in-kernel, file system independent, file meta-data association✨
• 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✨
• filedesc(9)file descriptor tables and operations✨
• 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✨
• filemap_write_and_wait_range(9)write out & wait on a file range✨
• fill_dc_dirty_rects(9)Fill DC dirty regions for PSR selective updates✨
• fill_gap(9)make index nodes in gaps in dirty index LEBs.✨
• fill_mg_cmtime(9)Fill in the mtime and ctime and flag ctime as QUERIED✨
• fill_random_string(9)Populate a buffer with a random NUL-terminated string.✨
• fill_swm_input(9)fill in the SWM input ids given the register✨
• fillup_metapath(9)fill up buffers for the metadata path to a specific height✨
• filp_open(9)open file and return file pointer✨
• FILS shared key authentication offload(9)✨
• FILS shared key crypto offload(9)✨
• filter_ack(9)filters incoming packets for acknowledgements✨
• filter_irq_stacks(9)Find first IRQ stack entry in trace✨
• filter_kalman(9)Unidimensional Kalman filter, also known as linear quadratic estimation (LQE)✨
• filter_parse_regex(9)parse a basic regex✨
• filter_vdos_locked(9)Find a vdo in the registry if it exists there.✨
• fimc_active_queue_add(9)add buffer to the capture active buffers queue✨
• fimc_active_queue_pop(9)pop buffer from the capture active buffers queue✨
• fimc_adjust_mplane_format(9)adjust bytesperline/sizeimage for each plane✨
• fimc_capture_config_update(9)apply the camera interface configuration✨
• fimc_find_format(9)lookup fimc color format by fourcc or media bus format✨
• fimc_get_sensor_frame_desc(9)query the sensor for media bus frame parameters✨
• fimc_hw_set_dma_seq(9)configure output DMA buffer sequence✨
• fimc_isp_find_format(9)lookup color format by fourcc or media bus code✨
• fimc_lite_find_format(9)lookup fimc color format by fourcc or media bus code✨
• fimc_md_create_links(9)create default links between registered entities✨
• fimc_pending_queue_add(9)add buffer to the capture pending buffers queue✨
• fimc_pending_queue_pop(9)pop buffer from the capture pending buffers queue✨
• fimc_pipeline_prepare(9)update pipeline information with subdevice pointers✨
• fimc_pipeline_s_power(9)change power state of all pipeline subdevs✨
• fimc_pipeline_try_format(9)negotiate and/or set formats at pipeline elements✨
• fimc_pipeline_validate(9)check for formats inconsistencies between source and sink pad of each link✨