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/*
*
* (C) COPYRIGHT 2014-2015 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.
*
*/
/*
* HW Access instrumentation common APIs
*/
#ifndef _KBASE_HWACCESS_INSTR_H_
#define _KBASE_HWACCESS_INSTR_H_
#include <mali_kbase_instr_defs.h>
/**
* kbase_instr_hwcnt_enable_internal - Enable HW counters collection
* @kbdev: Kbase device
* @kctx: Kbase context
* @setup: HW counter setup parameters
*
* Context: might sleep, waiting for reset to complete
*
* Return: 0 on success
*/
int kbase_instr_hwcnt_enable_internal(struct kbase_device *kbdev,
struct kbase_context *kctx,
struct kbase_uk_hwcnt_setup *setup);
/**
* kbase_instr_hwcnt_disable_internal - Disable HW counters collection
* @kctx: Kbase context
*
* Context: might sleep, waiting for an ongoing dump to complete
*
* Return: 0 on success
*/
int kbase_instr_hwcnt_disable_internal(struct kbase_context *kctx);
/**
* kbase_instr_hwcnt_request_dump() - Request HW counter dump from GPU
* @kctx: Kbase context
*
* Caller must either wait for kbase_instr_hwcnt_dump_complete() to return true,
* of call kbase_instr_hwcnt_wait_for_dump().
*
* Return: 0 on success
*/
int kbase_instr_hwcnt_request_dump(struct kbase_context *kctx);
/**
* kbase_instr_hwcnt_wait_for_dump() - Wait until pending HW counter dump has
* completed.
* @kctx: Kbase context
*
* Context: will sleep, waiting for dump to complete
*
* Return: 0 on success
*/
int kbase_instr_hwcnt_wait_for_dump(struct kbase_context *kctx);
/**
* kbase_instr_hwcnt_dump_complete - Tell whether the HW counters dump has
* completed
* @kctx: Kbase context
* @success: Set to true if successful
*
* Context: does not sleep.
*
* Return: true if the dump is complete
*/
bool kbase_instr_hwcnt_dump_complete(struct kbase_context *kctx,
bool * const success);
/**
* kbase_instr_hwcnt_clear() - Clear HW counters
* @kctx: Kbase context
*
* Context: might sleep, waiting for reset to complete
*
* Return: 0 on success
*/
int kbase_instr_hwcnt_clear(struct kbase_context *kctx);
/**
* kbase_instr_backend_init() - Initialise the instrumentation backend
* @kbdev: Kbase device
*
* This function should be called during driver initialization.
*
* Return: 0 on success
*/
int kbase_instr_backend_init(struct kbase_device *kbdev);
/**
* kbase_instr_backend_init() - Terminate the instrumentation backend
* @kbdev: Kbase device
*
* This function should be called during driver termination.
*/
void kbase_instr_backend_term(struct kbase_device *kbdev);
#endif /* _KBASE_HWACCESS_INSTR_H_ */
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