1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * 4 * (C) COPYRIGHT 2012-2016, 2020-2022 ARM Limited. All rights reserved. 5 * 6 * This program is free software and is provided to you under the terms of the 7 * GNU General Public License version 2 as published by the Free Software 8 * Foundation, and any use by you of this program is subject to the terms 9 * of such GNU license. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, you can access it online at 18 * http://www.gnu.org/licenses/gpl-2.0.html. 19 * 20 */ 21 22 /** 23 * DOC: Header file for mem profiles entries in debugfs 24 * 25 */ 26 27 #ifndef _KBASE_MEM_PROFILE_DEBUGFS_H 28 #define _KBASE_MEM_PROFILE_DEBUGFS_H 29 30 #include <linux/debugfs.h> 31 #include <linux/seq_file.h> 32 33 /** 34 * kbasep_mem_profile_debugfs_remove - Remove entry from Mali memory profile debugfs 35 * 36 * @kctx: The context whose debugfs file @p data should be removed from 37 */ 38 void kbasep_mem_profile_debugfs_remove(struct kbase_context *kctx); 39 40 /** 41 * kbasep_mem_profile_debugfs_insert - Insert @p data to the debugfs file 42 * so it can be read by userspace 43 * 44 * @kctx: The context whose debugfs file @p data should be inserted to 45 * @data: A NULL-terminated string to be inserted to the debugfs file, 46 * without the trailing new line character 47 * @size: The length of the @p data string 48 * 49 * The function takes ownership of @p data and frees it later when new data 50 * is inserted. 51 * 52 * If the debugfs entry corresponding to the @p kctx doesn't exist, 53 * an attempt will be made to create it. 54 * 55 * Return: 0 if @p data inserted correctly, -EAGAIN in case of error 56 * 57 * @post @ref mem_profile_initialized will be set to @c true 58 * the first time this function succeeds. 59 */ 60 int kbasep_mem_profile_debugfs_insert(struct kbase_context *kctx, char *data, 61 size_t size); 62 63 #endif /*_KBASE_MEM_PROFILE_DEBUGFS_H*/ 64 65