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