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