/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2019-2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#ifndef _KBASE_CSF_PROTECTED_MEMORY_H_
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#define _KBASE_CSF_PROTECTED_MEMORY_H_
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#include "mali_kbase.h"
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/**
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* kbase_csf_protected_memory_init - Initilaise protected memory allocator.
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*
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* @kbdev: Device pointer.
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*
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* Return: 0 if success, or an error code on failure.
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*/
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int kbase_csf_protected_memory_init(struct kbase_device *const kbdev);
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/**
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* kbase_csf_protected_memory_term - Terminate prtotected memory allocator.
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*
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* @kbdev: Device pointer.
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*/
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void kbase_csf_protected_memory_term(struct kbase_device *const kbdev);
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/**
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* kbase_csf_protected_memory_alloc - Allocate protected memory pages.
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*
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* @kbdev: Device pointer.
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* @phys: Array of physical addresses to be filled in by the protected
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* memory allocator.
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* @num_pages: Number of pages requested to be allocated.
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* @is_small_page: Flag used to select the order of protected memory page.
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*
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* Return: Pointer to an array of protected memory allocations on success,
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* or NULL on failure.
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*/
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struct protected_memory_allocation **
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kbase_csf_protected_memory_alloc(
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struct kbase_device *const kbdev,
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struct tagged_addr *phys,
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size_t num_pages,
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bool is_small_page);
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/**
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* kbase_csf_protected_memory_free - Free the allocated
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* protected memory pages
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*
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* @kbdev: Device pointer.
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* @pma: Array of pointer to protected memory allocations.
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* @num_pages: Number of pages to be freed.
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* @is_small_page: Flag used to select the order of protected memory page.
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*/
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void kbase_csf_protected_memory_free(
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struct kbase_device *const kbdev,
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struct protected_memory_allocation **pma,
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size_t num_pages,
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bool is_small_page);
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#endif
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