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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2019-2023 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#ifndef _KBASE_CSF_PROTECTED_MEMORY_H_
#define _KBASE_CSF_PROTECTED_MEMORY_H_
#include "mali_kbase.h"
/**
* kbase_csf_protected_memory_init - Initilaise protected memory allocator.
* @kbdev: Device pointer.
*
* This function must be called only when a kbase device is initialized.
*
* Return: 0 if success, or an error code on failure.
*/
int kbase_csf_protected_memory_init(struct kbase_device *const kbdev);
/**
* kbase_csf_protected_memory_term - Terminate prtotected memory allocator.
*
* @kbdev: Device pointer.
*/
void kbase_csf_protected_memory_term(struct kbase_device *const kbdev);
/**
* kbase_csf_protected_memory_alloc - Allocate protected memory pages.
*
* @kbdev: Device pointer.
* @phys: Array of physical addresses to be filled in by the protected
* memory allocator.
* @num_pages: Number of pages requested to be allocated.
* @is_small_page: Flag used to select the order of protected memory page.
*
* Return: Pointer to an array of protected memory allocations on success,
* or NULL on failure.
*/
struct protected_memory_allocation **
kbase_csf_protected_memory_alloc(struct kbase_device *const kbdev, struct tagged_addr *phys,
size_t num_pages, bool is_small_page);
/**
* kbase_csf_protected_memory_free - Free the allocated
* protected memory pages
*
* @kbdev: Device pointer.
* @pma: Array of pointer to protected memory allocations.
* @num_pages: Number of pages to be freed.
* @is_small_page: Flag used to select the order of protected memory page.
*/
void kbase_csf_protected_memory_free(struct kbase_device *const kbdev,
struct protected_memory_allocation **pma, size_t num_pages,
bool is_small_page);
#endif
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