📦 linux-manual

C (continued)

• copy_to_user_nofault(9)safely attempt to write to a user-space location✨
• copy_uabi_to_xstate(9)Copy a UABI format buffer to the kernel xstate✨
• copy_xstate_to_uabi_buf(9)Copy kernel saved xstate to a UABI buffer✨
• copy_znode(9)copy a dirty znode.✨
• cordic_calc_iq(9)calculates the i/q coordinate for given angle.✨
• core_param(9)define a historical core kernel parameter.✨
• core_param_cb(9)general callback for a module/cmdline parameter to be evaluated before core initcall level✨
• core_param_unsafe(9)same as core_param but taints kernel✨
• core_tmr_drain_state_list(9)abort SCSI commands associated with a device✨
• coresight_blocks_source(9)checks whether the connection matches the source of path if connection is bound to specific source.✨
• coresight_clear_default_sink(9)Remove all default sink references to the supplied sink.✨
• coresight_disable_source_sysfs(9)Drop the reference count by 1 for software sources. Disable the device if there are no users left.✨
• coresight_find_activated_sysfs_sink(9)returns the first sink activated via sysfs using connection based search starting from the source reference.✨
• coresight_find_default_sink(9)Find a sink suitable for use as a default sink.✨
• coresight_find_sink(9)recursive function to walk trace connections from source to find a suitable default sink.✨
• coresight_get_ref(9)Helper function to increase reference count to module and device.✨
• coresight_get_sink_by_id(9)returns the sink that matches the id✨
• coresight_put_ref(9)Helper function to decrease reference count to module and device. Power off the device.✨
• coresight_release_path(9)release a previously built path.✨
• coresight_select_best_sink(9)return the best sink for use as default from the two provided.✨
• coresight_timeout_action(9)loop until a bit has changed to a specific register state, with a callback after every trial.✨
• coresight_timeout_etm(9)loop until a bit has changed to a specific state.✨
• correct_parent_keys(9)correct parent znodes' keys.✨
• cougar_fix_g6_mapping(9)configure the mapping for key G6/Spacebar✨
• could_mpcc_tree_change_for_active_pipes(9)Check if an OPP associated with MPCC might change✨
• count_active_contexts(9)count nr of active tasks✨
• count_all_bios(9)Determine which bio counter to use.✨
• count_data_pages(9)Compute the total number of saveable non-highmem pages.✨
• count_fastmap_pebs(9)Counts the PEBs found by fastmap.✨
• count_free_highmem_pages(9)Compute the total number of free highmem pages.✨
• count_highmem_image_pages(9)Compute the number of highmem pages in the image.✨
• count_highmem_pages(9)Compute the total number of saveable highmem pages.✨
• count_immovable_mem_regions(9)Parse SRAT and cache the immovable memory regions into the immovable_mem array.✨
• count_leading_zeros(9)Count the number of zeros from the MSB back✨
• count_memcg_events(9)account VM events in a cgroup✨
• count_parisc_driver(9)count # of devices this driver would match✨
• count_trailing_zeros(9)Count the number of zeros from the LSB forwards✨
• count_valid_references(9)Process a newly loaded refcount array✨
• counter_add(9)complete registration of a counter✨
• counter_alloc(9)allocate a counter_device✨
• counter_priv(9)access counter device private data✨
• counter_push_event(9)queue event for userspace reading✨
• counter_sysfs_add(9)Adds Counter sysfs attributes to the device structure✨
• counter_unregister(9)unregister Counter from the system✨
• Coupled cpuidle states(9)✨
• cp_free(9)free resources for channel program.✨
• cp_get_orb(9)get the orb of the channel program✨
• cp_init(9)allocate ccwchains for a channel program.✨
• cp_iova_pinned(9)check if an iova is pinned for a ccw chain.✨
• cp_prefetch(9)translate a guest physical address channel program to a real-device runnable channel program.✨
• cp_update_scsw(9)update scsw for a channel program.✨
• cpacf_kimd(9)executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) instruction✨
• cpacf_klmd(9)executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction✨
• cpacf_km(9)executes the KM (CIPHER MESSAGE) instruction✨
• cpacf_kma(9)executes the KMA (CIPHER MESSAGE WITH AUTHENTICATION) instruction✨
• cpacf_kmac(9)executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) instruction✨
• cpacf_kmc(9)executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction✨
• cpacf_kmctr(9)executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction✨
• cpacf_pcc(9)executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION) instruction✨
• cpacf_pckmo(9)executes the PCKMO (PERFORM CRYPTOGRAPHIC KEY MANAGEMENT) instruction✨
• cpacf_prno(9)executes the PRNO (PERFORM RANDOM NUMBER OPERATION) instruction✨
• cpacf_qai(9)Get the query authentication information for a CPACF opcode✨
• cpacf_query(9)Query the function code mask for this CPACF opcode✨
• cpacf_trng(9)executes the TRNG subfunction of the PRNO instruction✨
• cpc_ffh_supported(9)check if FFH reading supported✨
• cpc_read_ffh(9)Read FFH register✨
• cpc_read_ffh_fb_ctrs(9)Read FFH feedback counters together✨
• cpc_supported_by_cpu(9)check if CPPC is supported by CPU✨
• cpc_write_ffh(9)Write FFH register✨
• cpcap_battery_cc_get_avg_current(9)read cpcap coulumb counter✨
• cpcap_battery_cc_raw_div(9)calculate and divide coulomb counter μAms values✨
• cpcap_battery_read_accumulated(9)reads cpcap coulomb counter✨
• cper_bits_to_str(9)return a string for set bits✨
• cper_print_bits(9)print strings for set bits✨
• cpg_div6_register(9)Register a DIV6 clock✨
• cpm_muram_addr(9)turn a muram offset into a virtual address✨
• cpm_muram_dma(9)turn a muram virtual address into a DMA address✨
• cpm_muram_free(9)free a chunk of multi-user ram✨
• cppc_get_auto_act_window(9)Read autonomous activity window register.✨
• cppc_get_auto_sel(9)Read autonomous selection register.✨
• cppc_get_desired_perf(9)Get the desired performance register value.✨
• cppc_get_epp_perf(9)Get the epp register value.✨
• cppc_get_highest_perf(9)Get the highest performance register value.✨
• cppc_get_nominal_perf(9)Get the nominal performance register value.✨
• cppc_get_perf(9)Get a CPU's performance controls.✨
• cppc_get_perf_caps(9)Get a CPU's performance capabilities.✨
• cppc_get_perf_ctrs(9)Read a CPU's performance feedback counters.✨
• cppc_get_perf_limited(9)Get the Performance Limited register value.✨
• cppc_get_transition_latency(9)returns frequency transition latency in ns✨
• cppc_perf_ctrs_in_pcc(9)Check if any perf counters are in a PCC region.✨
• cppc_perf_ctrs_in_pcc_cpu(9)Check if any perf counters of a CPU are in PCC.✨
• cppc_set_auto_act_window(9)Write autonomous activity window register.✨
• cppc_set_auto_sel(9)Write autonomous selection register.✨
• cppc_set_enable(9)Set to enable CPPC on the processor by writing the Continuous Performance Control package EnableRegister field.✨
• cppc_set_epp(9)Write the EPP register.✨
• cppc_set_perf(9)Set a CPU's performance controls.✨
• cppc_set_perf_limited(9)Clear bits in the Performance Limited register.✨
• cppi5_desc_get_errflags(9)get Error Flags from Desc✨
• cppi5_desc_get_pktids(9)get Packet and Flow ids from Desc✨
• cppi5_desc_get_tags_ids(9)get Packet Src/Dst Tags from Desc✨
• cppi5_desc_get_type(9)get descriptor type✨
• cppi5_desc_is_tdcm(9)check if the paddr indicates Teardown Complete Message✨
• cppi5_desc_set_pktids(9)set Packet and Flow ids in Desc✨
• cppi5_desc_set_retpolicy(9)set Packet Return Policy in Desc✨
• cppi5_desc_set_tags_ids(9)set Packet Src/Dst Tags in HDesc✨
• cppi5_hdesc_attach_buf(9)attach buffer to HDesc✨
• cppi5_hdesc_calc_size(9)Calculate Host Packet Descriptor size✨
• cppi5_hdesc_epib_present(9)check if EPIB present✨
• cppi5_hdesc_get_pktlen(9)get Packet Length from HDesc✨
• cppi5_hdesc_get_pkttype(9)get Packet Type from HDesc✨
• cppi5_hdesc_get_psdata(9)Get pointer on PSDATA✨
• cppi5_hdesc_get_psdata_size(9)get PSdata size in bytes✨
• cppi5_hdesc_get_psflags(9)get Protocol Specific Flags from HDesc✨
• cppi5_hdesc_get_swdata(9)Get pointer on swdata✨
• cppi5_hdesc_init(9)Init Host Packet Descriptor size✨
• cppi5_hdesc_link_hbdesc(9)link Host Buffer Descriptor to HDesc✨
• cppi5_hdesc_set_pktlen(9)set Packet Length in HDesc✨
• cppi5_hdesc_set_pkttype(9)set Packet Type in HDesc✨
• cppi5_hdesc_set_psflags(9)set Protocol Specific Flags in HDesc✨
• cppi5_hdesc_update_flags(9)Replace descriptor flags✨
• cppi5_hdesc_update_psdata_size(9)Replace PSdata size✨
• cppi5_tr_csf_set(9)Update the Configuration specific flags✨
• cppi5_tr_init(9)Init TR record✨
• cppi5_tr_set_trigger(9)Configure trigger0/1 and trigger0/1_type✨
• cppi5_trdesc_calc_size(9)Calculate TR Descriptor size✨
• cppi5_trdesc_init(9)Init TR Descriptor✨
• cpqhp_find_slot(9)find the struct slot of given device✨
• cpqhp_hardware_test(9)runs hardware tests✨
• cpqhp_pushbutton_thread(9)handle pushbutton events✨
• cpqhp_resource_sort_and_combine(9)sort nodes by base addresses and clean up✨
• cpqhp_set_attention_status(9)Turns the Amber LED for a slot on or off✨
• cpqhp_slot_create(9)Creates a node and adds it to the proper bus.✨
• cpqhp_slot_find(9)Looks for a node by bus, and device, multiple functions accessed✨
• cps_pm_enter_state(9)enter a PM state✨
• cps_pm_support_state(9)determine whether the system supports a PM state✨
• cpsw_set_mc(9)adds multicast entry to the table if it's not added or deletes if it's not deleted✨
• cpu access(9)✨
• cpu map(9)✨
• cpu__get_cluster_id(9)Returns the cluster id as read from /sys/devices/system/cpu/cpuX/topology/cluster_id for the given CPU✨
• cpu__get_core_id(9)Returns the core id as read from /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU.✨
• cpu__get_die_id(9)Returns the die id as read from /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU.✨
• cpu__get_node(9)Returns the numa node X as read from /sys/devices/system/node/nodeX for the given CPU.✨
• cpu__get_socket_id(9)Returns the socket number as read from /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU.✨
• cpu_aggr_map__empty_new(9)Create a cpu_aggr_map of size nr with every entry being empty.✨
• cpu_aggr_map__new(9)Create a cpu_aggr_map with an aggr_cpu_id for each cpu in cpus. The aggr_cpu_id is created with 'get_id' that may have a data value passed to it. The cpu_aggr_map is sorted with duplicate values…✨
• cpu_cache_invalidate_memregion(9)drop any CPU cached data for memregion✨
• cpu_cluster_pm_enter(9)CPU cluster low power entry notifier✨
• cpu_cluster_pm_exit(9)CPU cluster low power exit notifier✨
• cpu_curr_snapshot(9)Return a snapshot of the currently running task✨
• cpu_device_down(9)Bring down a cpu device✨
• cpu_device_up(9)Bring up a cpu device✨
• cpu_exceeded(9)check whether a CPU core is outside its limits✨
• cpu_function_call(9)call a function on the cpu✨
• cpu_init(9)✨
• cpu_latency_qos_add_request(9)Add new CPU latency QoS request.✨
• cpu_latency_qos_limit(9)Return current system-wide CPU latency QoS limit.✨
• cpu_latency_qos_remove_request(9)Remove existing CPU latency QoS request.✨
• cpu_latency_qos_request_active(9)Check the given PM QoS request.✨
• cpu_latency_qos_update_request(9)Modify existing CPU latency QoS request.✨
• cpu_map__is_dummy(9)Events associated with a pid, rather than a CPU, use a single dummy map with an entry of -1.✨
• cpu_node_size(9)Compute the size of a CPU node in the FDT. This should be done only once and the value is stored in a static variable. Returns the max size of a CPU node in the FDT.✨
• cpu_pm_enter(9)CPU low power entry notifier✨
• cpu_pm_exit(9)CPU low power exit notifier✨
• cpu_pm_register_notifier(9)register a driver with cpu_pm✨
• cpu_pm_unregister_notifier(9)unregister a driver with cpu_pm✨
• cpu_rmap_add(9)add object to a rmap✨
• cpu_rmap_get(9)internal helper to get new ref on a cpu_rmap✨
• cpu_rmap_put(9)release ref on a cpu_rmap✨
• cpu_rmap_release(9)internal reclaiming helper called from kref_put✨
• cpu_rmap_update(9)update CPU rmap following a change of object affinity✨
• cpu_to_chip_id(9)Return the cpus chip-id✨
• cpu_util(9)Estimates the amount of CPU capacity used by CFS tasks.✨
• cpu_wakeup_latency_qos_limit(9)Current CPU system wakeup latency QoS limit.✨
• cpufreq_add_dev(9)the cpufreq interface for a CPU device.✨
• cpufreq_add_update_util_hook(9)Populate the CPU's update_util_data pointer.✨
• cpufreq_cooling_register(9)function to create cpufreq cooling device.✨
• cpufreq_cooling_unregister(9)function to remove cpufreq cooling device.✨
• cpufreq_cpu_get(9)Return policy for a CPU and mark it as busy.✨
• cpufreq_cpu_put(9)Decrement kobject usage counter for cpufreq policy.✨
• cpufreq_disable_fast_switch(9)Disable fast frequency switching for policy.✨
• cpufreq_driver_adjust_perf(9)Adjust CPU performance level in one go.✨
• cpufreq_driver_fast_switch(9)Carry out a fast CPU frequency switch.✨
• cpufreq_driver_has_adjust_perf(9)Check "direct fast switch" callback.✨
• cpufreq_driver_resolve_freq(9)Map a target frequency to a driver- supported one.✨
• cpufreq_driver_test_flags(9)Test cpufreq driver's flags against given ones.✨
• cpufreq_enable_fast_switch(9)Enable fast frequency switching for policy.✨
• cpufreq_for_each_efficient_entry_idx(9)iterate with index over a cpufreq frequency_table excluding CPUFREQ_ENTRY_INVALID and CPUFREQ_INEFFICIENT_FREQ frequencies.✨
• cpufreq_get(9)get the current CPU frequency (in kHz)✨
• cpufreq_get_cur_state(9)callback function to get the current cooling state.✨
• cpufreq_get_current_driver(9)Return the current driver's name.✨
• cpufreq_get_driver_data(9)Return current driver data.✨
• cpufreq_get_hw_max_freq(9)get the max hardware frequency of the CPU✨
• cpufreq_get_max_state(9)callback function to get the max cooling state.✨
• cpufreq_get_requested_power(9)get the current power✨
• cpufreq_notify_transition(9)Notify frequency transition and adjust jiffies.✨
• cpufreq_out_of_sync(9)Fix up actual and saved CPU frequency difference.✨
• cpufreq_parse_governor(9)parse a governor string only for has_target()✨
• cpufreq_power2state(9)convert power to a cooling device state✨
• cpufreq_quick_get(9)get the CPU frequency (in kHz) from policy->cur✨
• cpufreq_quick_get_max(9)get the max reported CPU frequency for this CPU✨