// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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/*
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*
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* (C) COPYRIGHT 2020-2021 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 license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#include "mali_kbase_csf_tiler_heap_debugfs.h"
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#include "mali_kbase_csf_tiler_heap_def.h"
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#include <mali_kbase.h>
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#include <linux/seq_file.h>
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#if IS_ENABLED(CONFIG_DEBUG_FS)
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/**
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* kbasep_csf_tiler_heap_debugfs_show() - Print tiler heap information for per context
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*
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* @file: The seq_file for printing to
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* @data: The debugfs dentry private data, a pointer to kbase_context
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*
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* Return: Negative error code or 0 on success.
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*/
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static int kbasep_csf_tiler_heap_debugfs_show(struct seq_file *file, void *data)
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{
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struct kbase_context *kctx = file->private;
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struct kbase_csf_tiler_heap_context *tiler_heaps_p = &kctx->csf.tiler_heaps;
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struct kbase_csf_tiler_heap *heap;
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struct kbase_csf_tiler_heap_chunk *chunk;
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seq_printf(file, "MALI_CSF_TILER_HEAP_DEBUGFS_VERSION: v%u\n", MALI_CSF_TILER_HEAP_DEBUGFS_VERSION);
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mutex_lock(&tiler_heaps_p->lock);
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list_for_each_entry(heap, &tiler_heaps_p->list, link) {
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if (heap->kctx != kctx)
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continue;
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seq_printf(file, "HEAP(gpu_va = 0x%llx):\n", heap->gpu_va);
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seq_printf(file, "\tchunk_size = %u\n", heap->chunk_size);
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seq_printf(file, "\tchunk_count = %u\n", heap->chunk_count);
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seq_printf(file, "\tmax_chunks = %u\n", heap->max_chunks);
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seq_printf(file, "\ttarget_in_flight = %u\n", heap->target_in_flight);
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list_for_each_entry(chunk, &heap->chunks_list, link)
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seq_printf(file, "\t\tchunk gpu_va = 0x%llx\n",
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chunk->gpu_va);
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}
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mutex_unlock(&tiler_heaps_p->lock);
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return 0;
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}
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static int kbasep_csf_tiler_heap_debugfs_open(struct inode *in, struct file *file)
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{
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return single_open(file, kbasep_csf_tiler_heap_debugfs_show, in->i_private);
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}
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static const struct file_operations kbasep_csf_tiler_heap_debugfs_fops = {
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.open = kbasep_csf_tiler_heap_debugfs_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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void kbase_csf_tiler_heap_debugfs_init(struct kbase_context *kctx)
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{
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struct dentry *file;
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if (WARN_ON(!kctx || IS_ERR_OR_NULL(kctx->kctx_dentry)))
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return;
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file = debugfs_create_file("tiler_heaps", 0444, kctx->kctx_dentry,
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kctx, &kbasep_csf_tiler_heap_debugfs_fops);
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if (IS_ERR_OR_NULL(file)) {
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dev_warn(kctx->kbdev->dev,
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"Unable to create tiler heap debugfs entry");
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}
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}
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#else
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/*
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* Stub functions for when debugfs is disabled
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*/
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void kbase_csf_tiler_heap_debugfs_init(struct kbase_context *kctx)
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{
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}
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#endif /* CONFIG_DEBUG_FS */
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