1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * (C) COPYRIGHT 2017, 2020-2021 ARM Limited. All rights reserved. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * This program is free software and is provided to you under the terms of the 7*4882a593Smuzhiyun * GNU General Public License version 2 as published by the Free Software 8*4882a593Smuzhiyun * Foundation, and any use by you of this program is subject to the terms 9*4882a593Smuzhiyun * of such GNU license. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, 12*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of 13*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*4882a593Smuzhiyun * GNU General Public License for more details. 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License 17*4882a593Smuzhiyun * along with this program; if not, you can access it online at 18*4882a593Smuzhiyun * http://www.gnu.org/licenses/gpl-2.0.html. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #ifndef _PROTECTED_MODE_SWITCH_H_ 23*4882a593Smuzhiyun #define _PROTECTED_MODE_SWITCH_H_ 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct protected_mode_device; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /** 28*4882a593Smuzhiyun * struct protected_mode_ops - Callbacks for protected mode switch operations 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * @protected_mode_enable: Callback to enable protected mode for device 31*4882a593Smuzhiyun * @protected_mode_disable: Callback to disable protected mode for device 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun struct protected_mode_ops { 34*4882a593Smuzhiyun /* 35*4882a593Smuzhiyun * protected_mode_enable() - Enable protected mode on device 36*4882a593Smuzhiyun * @dev: The struct device 37*4882a593Smuzhiyun * 38*4882a593Smuzhiyun * Return: 0 on success, non-zero on error 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun int (*protected_mode_enable)( 41*4882a593Smuzhiyun struct protected_mode_device *protected_dev); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun /* 44*4882a593Smuzhiyun * protected_mode_disable() - Disable protected mode on device, and 45*4882a593Smuzhiyun * reset device 46*4882a593Smuzhiyun * @dev: The struct device 47*4882a593Smuzhiyun * 48*4882a593Smuzhiyun * Return: 0 on success, non-zero on error 49*4882a593Smuzhiyun */ 50*4882a593Smuzhiyun int (*protected_mode_disable)( 51*4882a593Smuzhiyun struct protected_mode_device *protected_dev); 52*4882a593Smuzhiyun }; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /** 55*4882a593Smuzhiyun * struct protected_mode_device - Device structure for protected mode devices 56*4882a593Smuzhiyun * 57*4882a593Smuzhiyun * @ops: Callbacks associated with this device 58*4882a593Smuzhiyun * @data: Pointer to device private data 59*4882a593Smuzhiyun * 60*4882a593Smuzhiyun * This structure should be registered with the platform device using 61*4882a593Smuzhiyun * platform_set_drvdata(). 62*4882a593Smuzhiyun */ 63*4882a593Smuzhiyun struct protected_mode_device { 64*4882a593Smuzhiyun struct protected_mode_ops ops; 65*4882a593Smuzhiyun void *data; 66*4882a593Smuzhiyun }; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun #endif /* _PROTECTED_MODE_SWITCH_H_ */ 69