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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2020-2023 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 license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#ifndef _KBASE_TRACE_GPU_MEM_H_
#define _KBASE_TRACE_GPU_MEM_H_
#if IS_ENABLED(CONFIG_TRACE_GPU_MEM)
#include <trace/events/gpu_mem.h>
#endif
#define DEVICE_TGID ((u32)0U)
static void kbase_trace_gpu_mem_usage(struct kbase_device *kbdev, struct kbase_context *kctx)
{
#if IS_ENABLED(CONFIG_TRACE_GPU_MEM)
lockdep_assert_held(&kbdev->gpu_mem_usage_lock);
trace_gpu_mem_total(kbdev->id, DEVICE_TGID, kbdev->total_gpu_pages << PAGE_SHIFT);
if (likely(kctx))
trace_gpu_mem_total(kbdev->id, kctx->kprcs->tgid,
kctx->kprcs->total_gpu_pages << PAGE_SHIFT);
#else
CSTD_UNUSED(kbdev);
CSTD_UNUSED(kctx);
#endif
}
static inline void kbase_trace_gpu_mem_usage_dec(struct kbase_device *kbdev,
struct kbase_context *kctx, size_t pages)
{
spin_lock(&kbdev->gpu_mem_usage_lock);
if (likely(kctx))
kctx->kprcs->total_gpu_pages -= pages;
kbdev->total_gpu_pages -= pages;
kbase_trace_gpu_mem_usage(kbdev, kctx);
spin_unlock(&kbdev->gpu_mem_usage_lock);
}
static inline void kbase_trace_gpu_mem_usage_inc(struct kbase_device *kbdev,
struct kbase_context *kctx, size_t pages)
{
spin_lock(&kbdev->gpu_mem_usage_lock);
if (likely(kctx))
kctx->kprcs->total_gpu_pages += pages;
kbdev->total_gpu_pages += pages;
kbase_trace_gpu_mem_usage(kbdev, kctx);
spin_unlock(&kbdev->gpu_mem_usage_lock);
}
/**
* kbase_remove_dma_buf_usage - Remove a dma-buf entry captured.
*
* @kctx: Pointer to the kbase context
* @alloc: Pointer to the alloc to unmap
*
* Remove reference to dma buf been unmapped from kbase_device level
* rb_tree and Kbase_process level dma buf rb_tree.
*/
void kbase_remove_dma_buf_usage(struct kbase_context *kctx, struct kbase_mem_phy_alloc *alloc);
/**
* kbase_add_dma_buf_usage - Add a dma-buf entry captured.
*
* @kctx: Pointer to the kbase context
* @alloc: Pointer to the alloc to map in
*
* Add reference to dma buf been mapped to kbase_device level
* rb_tree and Kbase_process level dma buf rb_tree.
*/
void kbase_add_dma_buf_usage(struct kbase_context *kctx, struct kbase_mem_phy_alloc *alloc);
#endif /* _KBASE_TRACE_GPU_MEM_H_ */
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