Server IP : 85.214.239.14 / Your IP : 3.129.70.138 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/task/2/root/proc/2/root/usr/include/linux/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Userspace ABI for Counter character devices * Copyright (C) 2020 William Breathitt Gray */ #ifndef _COUNTER_H_ #define _COUNTER_H_ #include <linux/ioctl.h> #include <linux/types.h> /* Component type definitions */ enum counter_component_type { COUNTER_COMPONENT_NONE, COUNTER_COMPONENT_SIGNAL, COUNTER_COMPONENT_COUNT, COUNTER_COMPONENT_FUNCTION, COUNTER_COMPONENT_SYNAPSE_ACTION, COUNTER_COMPONENT_EXTENSION, }; /* Component scope definitions */ enum counter_scope { COUNTER_SCOPE_DEVICE, COUNTER_SCOPE_SIGNAL, COUNTER_SCOPE_COUNT, }; /** * struct counter_component - Counter component identification * @type: component type (one of enum counter_component_type) * @scope: component scope (one of enum counter_scope) * @parent: parent ID (matching the ID suffix of the respective parent sysfs * path as described by the ABI documentation file * Documentation/ABI/testing/sysfs-bus-counter) * @id: component ID (matching the ID provided by the respective *_component_id * sysfs attribute of the desired component) * * For example, if the Count 2 ceiling extension of Counter device 4 is desired, * set type equal to COUNTER_COMPONENT_EXTENSION, scope equal to * COUNTER_COUNT_SCOPE, parent equal to 2, and id equal to the value provided by * the respective /sys/bus/counter/devices/counter4/count2/ceiling_component_id * sysfs attribute. */ struct counter_component { __u8 type; __u8 scope; __u8 parent; __u8 id; }; /* Event type definitions */ enum counter_event_type { /* Count value increased past ceiling */ COUNTER_EVENT_OVERFLOW, /* Count value decreased past floor */ COUNTER_EVENT_UNDERFLOW, /* Count value increased past ceiling, or decreased past floor */ COUNTER_EVENT_OVERFLOW_UNDERFLOW, /* Count value reached threshold */ COUNTER_EVENT_THRESHOLD, /* Index signal detected */ COUNTER_EVENT_INDEX, /* State of counter is changed */ COUNTER_EVENT_CHANGE_OF_STATE, /* Count value captured */ COUNTER_EVENT_CAPTURE, }; /** * struct counter_watch - Counter component watch configuration * @component: component to watch when event triggers * @event: event that triggers (one of enum counter_event_type) * @channel: event channel (typically 0 unless the device supports concurrent * events of the same type) */ struct counter_watch { struct counter_component component; __u8 event; __u8 channel; }; /* * Queues a Counter watch for the specified event. * * The queued watches will not be applied until COUNTER_ENABLE_EVENTS_IOCTL is * called. */ #define COUNTER_ADD_WATCH_IOCTL _IOW(0x3E, 0x00, struct counter_watch) /* * Enables monitoring the events specified by the Counter watches that were * queued by COUNTER_ADD_WATCH_IOCTL. * * If events are already enabled, the new set of watches replaces the old one. * Calling this ioctl also has the effect of clearing the queue of watches added * by COUNTER_ADD_WATCH_IOCTL. */ #define COUNTER_ENABLE_EVENTS_IOCTL _IO(0x3E, 0x01) /* * Stops monitoring the previously enabled events. */ #define COUNTER_DISABLE_EVENTS_IOCTL _IO(0x3E, 0x02) /** * struct counter_event - Counter event data * @timestamp: best estimate of time of event occurrence, in nanoseconds * @value: component value * @watch: component watch configuration * @status: return status (system error number) */ struct counter_event { __aligned_u64 timestamp; __aligned_u64 value; struct counter_watch watch; __u8 status; }; /* Count direction values */ enum counter_count_direction { COUNTER_COUNT_DIRECTION_FORWARD, COUNTER_COUNT_DIRECTION_BACKWARD, }; /* Count mode values */ enum counter_count_mode { COUNTER_COUNT_MODE_NORMAL, COUNTER_COUNT_MODE_RANGE_LIMIT, COUNTER_COUNT_MODE_NON_RECYCLE, COUNTER_COUNT_MODE_MODULO_N, }; /* Count function values */ enum counter_function { COUNTER_FUNCTION_INCREASE, COUNTER_FUNCTION_DECREASE, COUNTER_FUNCTION_PULSE_DIRECTION, COUNTER_FUNCTION_QUADRATURE_X1_A, COUNTER_FUNCTION_QUADRATURE_X1_B, COUNTER_FUNCTION_QUADRATURE_X2_A, COUNTER_FUNCTION_QUADRATURE_X2_B, COUNTER_FUNCTION_QUADRATURE_X4, }; /* Signal values */ enum counter_signal_level { COUNTER_SIGNAL_LEVEL_LOW, COUNTER_SIGNAL_LEVEL_HIGH, }; /* Action mode values */ enum counter_synapse_action { COUNTER_SYNAPSE_ACTION_NONE, COUNTER_SYNAPSE_ACTION_RISING_EDGE, COUNTER_SYNAPSE_ACTION_FALLING_EDGE, COUNTER_SYNAPSE_ACTION_BOTH_EDGES, }; /* Signal polarity values */ enum counter_signal_polarity { COUNTER_SIGNAL_POLARITY_POSITIVE, COUNTER_SIGNAL_POLARITY_NEGATIVE, }; #endif /* _COUNTER_H_ */