1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * 4 * (C) COPYRIGHT 2010-2017, 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 #if !defined(_KBASE_GWT_H) 23 #define _KBASE_GWT_H 24 25 #include <mali_kbase.h> 26 #include <uapi/gpu/arm/bifrost/mali_kbase_ioctl.h> 27 28 /** 29 * kbase_gpu_gwt_start - Start the GPU write tracking 30 * @kctx: Pointer to kernel context 31 * 32 * @return 0 on success, error on failure. 33 */ 34 int kbase_gpu_gwt_start(struct kbase_context *kctx); 35 36 /** 37 * kbase_gpu_gwt_stop - Stop the GPU write tracking 38 * @kctx: Pointer to kernel context 39 * 40 * @return 0 on success, error on failure. 41 */ 42 int kbase_gpu_gwt_stop(struct kbase_context *kctx); 43 44 /** 45 * kbase_gpu_gwt_dump - Pass page address of faulting addresses to user space. 46 * @kctx: Pointer to kernel context 47 * @gwt_dump: User space data to be passed. 48 * 49 * @return 0 on success, error on failure. 50 */ 51 int kbase_gpu_gwt_dump(struct kbase_context *kctx, 52 union kbase_ioctl_cinstr_gwt_dump *gwt_dump); 53 54 #endif /* _KBASE_GWT_H */ 55