1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_COUNTER_H_ 20 #define _UAPI_COUNTER_H_ 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 enum counter_component_type { 24 COUNTER_COMPONENT_NONE, 25 COUNTER_COMPONENT_SIGNAL, 26 COUNTER_COMPONENT_COUNT, 27 COUNTER_COMPONENT_FUNCTION, 28 COUNTER_COMPONENT_SYNAPSE_ACTION, 29 COUNTER_COMPONENT_EXTENSION, 30 }; 31 enum counter_scope { 32 COUNTER_SCOPE_DEVICE, 33 COUNTER_SCOPE_SIGNAL, 34 COUNTER_SCOPE_COUNT, 35 }; 36 struct counter_component { 37 __u8 type; 38 __u8 scope; 39 __u8 parent; 40 __u8 id; 41 }; 42 enum counter_event_type { 43 COUNTER_EVENT_OVERFLOW, 44 COUNTER_EVENT_UNDERFLOW, 45 COUNTER_EVENT_OVERFLOW_UNDERFLOW, 46 COUNTER_EVENT_THRESHOLD, 47 COUNTER_EVENT_INDEX, 48 COUNTER_EVENT_CHANGE_OF_STATE, 49 COUNTER_EVENT_CAPTURE, 50 }; 51 struct counter_watch { 52 struct counter_component component; 53 __u8 event; 54 __u8 channel; 55 }; 56 #define COUNTER_ADD_WATCH_IOCTL _IOW(0x3E, 0x00, struct counter_watch) 57 #define COUNTER_ENABLE_EVENTS_IOCTL _IO(0x3E, 0x01) 58 #define COUNTER_DISABLE_EVENTS_IOCTL _IO(0x3E, 0x02) 59 struct counter_event { 60 __aligned_u64 timestamp; 61 __aligned_u64 value; 62 struct counter_watch watch; 63 __u8 status; 64 }; 65 enum counter_count_direction { 66 COUNTER_COUNT_DIRECTION_FORWARD, 67 COUNTER_COUNT_DIRECTION_BACKWARD, 68 }; 69 enum counter_count_mode { 70 COUNTER_COUNT_MODE_NORMAL, 71 COUNTER_COUNT_MODE_RANGE_LIMIT, 72 COUNTER_COUNT_MODE_NON_RECYCLE, 73 COUNTER_COUNT_MODE_MODULO_N, 74 }; 75 enum counter_function { 76 COUNTER_FUNCTION_INCREASE, 77 COUNTER_FUNCTION_DECREASE, 78 COUNTER_FUNCTION_PULSE_DIRECTION, 79 COUNTER_FUNCTION_QUADRATURE_X1_A, 80 COUNTER_FUNCTION_QUADRATURE_X1_B, 81 COUNTER_FUNCTION_QUADRATURE_X2_A, 82 COUNTER_FUNCTION_QUADRATURE_X2_B, 83 COUNTER_FUNCTION_QUADRATURE_X4, 84 }; 85 enum counter_signal_level { 86 COUNTER_SIGNAL_LEVEL_LOW, 87 COUNTER_SIGNAL_LEVEL_HIGH, 88 }; 89 enum counter_synapse_action { 90 COUNTER_SYNAPSE_ACTION_NONE, 91 COUNTER_SYNAPSE_ACTION_RISING_EDGE, 92 COUNTER_SYNAPSE_ACTION_FALLING_EDGE, 93 COUNTER_SYNAPSE_ACTION_BOTH_EDGES, 94 }; 95 enum counter_signal_polarity { 96 COUNTER_SIGNAL_POLARITY_POSITIVE, 97 COUNTER_SIGNAL_POLARITY_NEGATIVE, 98 }; 99 #endif 100