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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/arm/mach-bcmring/include/csp/secHw.h
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/*****************************************************************************
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* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2, available at
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* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a
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* license other than the GPL, without Broadcom's express prior written
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* consent.
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*****************************************************************************/
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/****************************************************************************/
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/**
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* @file secHw.h
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*
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* @brief Definitions for accessing low level security features
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*
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*/
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/****************************************************************************/
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#ifndef SECHW_H
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#define SECHW_H
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typedef void (*secHw_FUNC_t) (void);
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typedef enum {
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secHw_MODE_SECURE = 0x0, /* Switches processor into secure mode */
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secHw_MODE_NONSECURE = 0x1 /* Switches processor into non-secure mode */
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} secHw_MODE;
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/****************************************************************************/
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/**
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* @brief Requesting to execute the function in secure mode
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*
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* This function requests the given function to run in secure mode
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*
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*/
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/****************************************************************************/
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void secHw_RunSecure(secHw_FUNC_t /* Function to run in secure mode */
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);
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/****************************************************************************/
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/**
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* @brief Sets the mode
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*
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* his function sets the processor mode (secure/non-secure)
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*
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*/
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/****************************************************************************/
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void secHw_SetMode(secHw_MODE /* Processor mode */
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);
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/****************************************************************************/
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/**
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* @brief Get the current mode
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*
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* This function retieves the processor mode (secure/non-secure)
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*
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*/
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/****************************************************************************/
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void secHw_GetMode(secHw_MODE *);
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#endif /* SECHW_H */
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