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/*
* Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VM_MAP_H_
#define _VM_MAP_H_
#include <sys/types.h>
#include <mu/mmu.h>
struct vm_region {
uintptr_t pa;
uintptr_t va;
size_t page_count;
pagesize_t ps;
};
/*
* Map a contigious region of pages
*
* @vas: Address space to map within
* @region: Region to start mapping at
* @prot: Protection flags
* @ps: Desired pagesize
*
* Returns zero on success
*/
int vm_map_pages(
struct mmu_vas *vas, const struct vm_region *region,
uint16_t prot
);
/*
* Unmap a contigious range of pages
*
* @vas: Addresss space to unmap from
* @va: Virtual address to unmap
* @count: Number of pages to unmap
* @ps: Page size of region
*
* Returns zero on success
*/
int vm_unmap_pages(struct mmu_vas *vas, uintptr_t va, size_t count, pagesize_t ps);
#endif /* !_VM_MAP_H_ */
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