t83x/kernel/drivers/gpu/arm/midgard/mali_kbase_hwcnt_reader.h

   1 /*
   2  *
   3  * (C) COPYRIGHT 2015 ARM Limited. All rights reserved.
   4  *
   5  * This program is free software and is provided to you under the terms of the
   6  * GNU General Public License version 2 as published by the Free Software
   7  * Foundation, and any use by you of this program is subject to the terms
   8  * of such GNU licence.
   9  *
  10  * A copy of the licence is included with the program, and can also be obtained
  11  * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  12  * Boston, MA  02110-1301, USA.
  13  *
  14  */
  15
  16
  17
  18 #ifndef _KBASE_HWCNT_READER_H_
  19 #define _KBASE_HWCNT_READER_H_
  20
  21 /* The ids of ioctl commands. */
  22 #define KBASE_HWCNT_READER 0xBE
  23 #define KBASE_HWCNT_READER_GET_HWVER       _IOR(KBASE_HWCNT_READER, 0x00, u32)
  24 #define KBASE_HWCNT_READER_GET_BUFFER_SIZE _IOR(KBASE_HWCNT_READER, 0x01, u32)
  25 #define KBASE_HWCNT_READER_DUMP            _IOW(KBASE_HWCNT_READER, 0x10, u32)
  26 #define KBASE_HWCNT_READER_CLEAR           _IOW(KBASE_HWCNT_READER, 0x11, u32)
  27 #define KBASE_HWCNT_READER_GET_BUFFER      _IOR(KBASE_HWCNT_READER, 0x20,\
  28                 struct kbase_hwcnt_reader_metadata)
  29 #define KBASE_HWCNT_READER_PUT_BUFFER      _IOW(KBASE_HWCNT_READER, 0x21,\
  30                 struct kbase_hwcnt_reader_metadata)
  31 #define KBASE_HWCNT_READER_SET_INTERVAL    _IOW(KBASE_HWCNT_READER, 0x30, u32)
  32 #define KBASE_HWCNT_READER_ENABLE_EVENT    _IOW(KBASE_HWCNT_READER, 0x40, u32)
  33 #define KBASE_HWCNT_READER_DISABLE_EVENT   _IOW(KBASE_HWCNT_READER, 0x41, u32)
  34 #define KBASE_HWCNT_READER_GET_API_VERSION _IOW(KBASE_HWCNT_READER, 0xFF, u32)
  35
  36 /**
  37  * struct kbase_hwcnt_reader_metadata - hwcnt reader sample buffer metadata
  38  * @timestamp:  time when sample was collected
  39  * @event_id:   id of an event that triggered sample collection
  40  * @buffer_idx: position in sampling area where sample buffer was stored
  41  */
  42 struct kbase_hwcnt_reader_metadata {
  43         u64 timestamp;
  44         u32 event_id;
  45         u32 buffer_idx;
  46 };
  47
  48 /**
  49  * enum base_hwcnt_reader_event - hwcnt dumping events
  50  * @BASE_HWCNT_READER_EVENT_MANUAL:   manual request for dump
  51  * @BASE_HWCNT_READER_EVENT_PERIODIC: periodic dump
  52  * @BASE_HWCNT_READER_EVENT_PREJOB:   prejob dump request
  53  * @BASE_HWCNT_READER_EVENT_POSTJOB:  postjob dump request
  54  * @BASE_HWCNT_READER_EVENT_COUNT:    number of supported events
  55  */
  56 enum base_hwcnt_reader_event {
  57         BASE_HWCNT_READER_EVENT_MANUAL,
  58         BASE_HWCNT_READER_EVENT_PERIODIC,
  59         BASE_HWCNT_READER_EVENT_PREJOB,
  60         BASE_HWCNT_READER_EVENT_POSTJOB,
  61
  62         BASE_HWCNT_READER_EVENT_COUNT
  63 };
  64
  65 #endif /* _KBASE_HWCNT_READER_H_ */
  66