xref: /OK3568_Linux_fs/kernel/drivers/gpu/arm/bifrost/mali_kbase_as_fault_debugfs.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  *
4  * (C) COPYRIGHT 2016, 2020-2021 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 #ifndef _KBASE_AS_FAULT_DEBUG_FS_H
23 #define _KBASE_AS_FAULT_DEBUG_FS_H
24 
25 /**
26  * kbase_as_fault_debugfs_init() - Add debugfs files for reporting page faults
27  *
28  * @kbdev: Pointer to kbase_device
29  */
30 void kbase_as_fault_debugfs_init(struct kbase_device *kbdev);
31 
32 /**
33  * kbase_as_fault_debugfs_new() - make the last fault available on debugfs
34  *
35  * @kbdev: Pointer to kbase_device
36  * @as_no: The address space the fault occurred on
37  */
38 static inline void
kbase_as_fault_debugfs_new(struct kbase_device * kbdev,int as_no)39 kbase_as_fault_debugfs_new(struct kbase_device *kbdev, int as_no)
40 {
41 #if IS_ENABLED(CONFIG_DEBUG_FS)
42 #ifdef CONFIG_MALI_BIFROST_DEBUG
43 	kbdev->debugfs_as_read_bitmap |= (1ULL << as_no);
44 #endif /* CONFIG_DEBUG_FS */
45 #endif /* CONFIG_MALI_BIFROST_DEBUG */
46 }
47 
48 #endif  /*_KBASE_AS_FAULT_DEBUG_FS_H*/
49