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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.
*
*/
#include "mali_kbase_csf_tiler_heap_debugfs.h"
#include "mali_kbase_csf_tiler_heap_def.h"
#include <mali_kbase.h>
#include <linux/seq_file.h>
#if IS_ENABLED(CONFIG_DEBUG_FS)
/**
* kbasep_csf_tiler_heap_debugfs_show() - Print tiler heap information for per context
*
* @file: The seq_file for printing to
* @data: The debugfs dentry private data, a pointer to kbase_context
*
* Return: 0 in any case.
*/
static int kbasep_csf_tiler_heap_debugfs_show(struct seq_file *file, void *data)
{
struct kbase_context *kctx = file->private;
struct kbase_csf_tiler_heap_context *tiler_heaps_p = &kctx->csf.tiler_heaps;
struct kbase_csf_tiler_heap *heap;
struct kbase_csf_tiler_heap_chunk *chunk;
CSTD_UNUSED(data);
seq_printf(file, "MALI_CSF_TILER_HEAP_DEBUGFS_VERSION: v%u\n",
MALI_CSF_TILER_HEAP_DEBUGFS_VERSION);
mutex_lock(&tiler_heaps_p->lock);
list_for_each_entry(heap, &tiler_heaps_p->list, link) {
if (heap->kctx != kctx)
continue;
seq_printf(file, "HEAP(gpu_va = 0x%llx):\n", heap->gpu_va);
seq_printf(file, "\tchunk_size = %u\n", heap->chunk_size);
seq_printf(file, "\tchunk_count = %u\n", heap->chunk_count);
seq_printf(file, "\tmax_chunks = %u\n", heap->max_chunks);
seq_printf(file, "\ttarget_in_flight = %u\n", heap->target_in_flight);
list_for_each_entry(chunk, &heap->chunks_list, link)
seq_printf(file, "\t\tchunk gpu_va = 0x%llx\n", chunk->gpu_va);
}
mutex_unlock(&tiler_heaps_p->lock);
return 0;
}
/**
* kbasep_csf_tiler_heap_total_debugfs_show() - Print the total memory allocated
* for all tiler heaps in a context.
*
* @file: The seq_file for printing to
* @data: The debugfs dentry private data, a pointer to kbase_context
*
* Return: 0 in any case.
*/
static int kbasep_csf_tiler_heap_total_debugfs_show(struct seq_file *file, void *data)
{
struct kbase_context *kctx = file->private;
CSTD_UNUSED(data);
seq_printf(file, "MALI_CSF_TILER_HEAP_DEBUGFS_VERSION: v%u\n",
MALI_CSF_TILER_HEAP_DEBUGFS_VERSION);
seq_printf(file, "Total number of chunks of all heaps in the context: %lu\n",
(unsigned long)kctx->running_total_tiler_heap_nr_chunks);
seq_printf(file, "Total allocated memory of all heaps in the context: %llu\n",
(unsigned long long)kctx->running_total_tiler_heap_memory);
seq_printf(file, "Peak allocated tiler heap memory in the context: %llu\n",
(unsigned long long)kctx->peak_total_tiler_heap_memory);
return 0;
}
static int kbasep_csf_tiler_heap_debugfs_open(struct inode *in, struct file *file)
{
return single_open(file, kbasep_csf_tiler_heap_debugfs_show, in->i_private);
}
static int kbasep_csf_tiler_heap_total_debugfs_open(struct inode *in, struct file *file)
{
return single_open(file, kbasep_csf_tiler_heap_total_debugfs_show, in->i_private);
}
static const struct file_operations kbasep_csf_tiler_heap_debugfs_fops = {
.open = kbasep_csf_tiler_heap_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static const struct file_operations kbasep_csf_tiler_heap_total_debugfs_fops = {
.open = kbasep_csf_tiler_heap_total_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void kbase_csf_tiler_heap_debugfs_init(struct kbase_context *kctx)
{
struct dentry *file;
if (WARN_ON(!kctx || IS_ERR_OR_NULL(kctx->kctx_dentry)))
return;
file = debugfs_create_file("tiler_heaps", 0444, kctx->kctx_dentry, kctx,
&kbasep_csf_tiler_heap_debugfs_fops);
if (IS_ERR_OR_NULL(file)) {
dev_warn(kctx->kbdev->dev, "Unable to create tiler heap debugfs entry");
}
}
void kbase_csf_tiler_heap_total_debugfs_init(struct kbase_context *kctx)
{
struct dentry *file;
if (WARN_ON(!kctx || IS_ERR_OR_NULL(kctx->kctx_dentry)))
return;
file = debugfs_create_file("tiler_heaps_total", 0444, kctx->kctx_dentry, kctx,
&kbasep_csf_tiler_heap_total_debugfs_fops);
if (IS_ERR_OR_NULL(file)) {
dev_warn(kctx->kbdev->dev,
"Unable to create total tiler heap allocated memory debugfs entry");
}
}
#else
/*
* Stub functions for when debugfs is disabled
*/
void kbase_csf_tiler_heap_debugfs_init(struct kbase_context *kctx)
{
}
void kbase_csf_tiler_heap_total_debugfs_init(struct kbase_context *kctx)
{
}
#endif /* CONFIG_DEBUG_FS */
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