| /* |
| * |
| * (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_ */ |
| |
