1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * 4 * (C) COPYRIGHT 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 #ifndef _PROTECTED_MODE_SWITCH_H_ 23 #define _PROTECTED_MODE_SWITCH_H_ 24 25 struct protected_mode_device; 26 27 /** 28 * struct protected_mode_ops - Callbacks for protected mode switch operations 29 * 30 * @protected_mode_enable: Callback to enable protected mode for device 31 * @protected_mode_disable: Callback to disable protected mode for device 32 */ 33 struct protected_mode_ops { 34 /* 35 * protected_mode_enable() - Enable protected mode on device 36 * @dev: The struct device 37 * 38 * Return: 0 on success, non-zero on error 39 */ 40 int (*protected_mode_enable)( 41 struct protected_mode_device *protected_dev); 42 43 /* 44 * protected_mode_disable() - Disable protected mode on device, and 45 * reset device 46 * @dev: The struct device 47 * 48 * Return: 0 on success, non-zero on error 49 */ 50 int (*protected_mode_disable)( 51 struct protected_mode_device *protected_dev); 52 }; 53 54 /** 55 * struct protected_mode_device - Device structure for protected mode devices 56 * 57 * @ops: Callbacks associated with this device 58 * @data: Pointer to device private data 59 * 60 * This structure should be registered with the platform device using 61 * platform_set_drvdata(). 62 */ 63 struct protected_mode_device { 64 struct protected_mode_ops ops; 65 void *data; 66 }; 67 68 #endif /* _PROTECTED_MODE_SWITCH_H_ */ 69