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/*
*
* (C) COPYRIGHT 2014, 2016 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
/*
* Backend-specific instrumentation definitions
*/
#ifndef _KBASE_INSTR_DEFS_H_
#define _KBASE_INSTR_DEFS_H_
/*
* Instrumentation State Machine States
*/
enum kbase_instr_state {
/* State where instrumentation is not active */
KBASE_INSTR_STATE_DISABLED = 0,
/* State machine is active and ready for a command. */
KBASE_INSTR_STATE_IDLE,
/* Hardware is currently dumping a frame. */
KBASE_INSTR_STATE_DUMPING,
/* We've requested a clean to occur on a workqueue */
KBASE_INSTR_STATE_REQUEST_CLEAN,
/* Hardware is currently cleaning and invalidating caches. */
KBASE_INSTR_STATE_CLEANING,
/* Cache clean completed, and either a) a dump is complete, or
* b) instrumentation can now be setup. */
KBASE_INSTR_STATE_CLEANED,
/* An error has occured during DUMPING (page fault). */
KBASE_INSTR_STATE_FAULT
};
/* Structure used for instrumentation and HW counters dumping */
struct kbase_instr_backend {
wait_queue_head_t wait;
int triggered;
enum kbase_instr_state state;
wait_queue_head_t cache_clean_wait;
struct workqueue_struct *cache_clean_wq;
struct work_struct cache_clean_work;
};
#endif /* _KBASE_INSTR_DEFS_H_ */
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