freebsd-dev/sys/arm64/iommu/iommu_pmap.h
Andrew Turner 83fb1bdbfe Rename smmu pmap functions
These are SMMU (and MALI GPU) specific. Give them a SMMU specific name.

Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D38948
2023-03-16 16:45:42 +00:00

52 lines
2.1 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Ruslan Bukin <br@bsdpad.com>
*
* This work was supported by Innovate UK project 105694, "Digital Security
* by Design (DSbD) Technology Platform Prototype".
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _ARM64_IOMMU_IOMMU_PMAP_H_
#define _ARM64_IOMMU_IOMMU_PMAP_H_
/* System MMU (SMMU). */
int smmu_pmap_enter(pmap_t pmap, vm_offset_t va, vm_paddr_t pa, vm_prot_t prot,
u_int flags);
int smmu_pmap_remove(pmap_t pmap, vm_offset_t va);
/* Mali GPU */
int pmap_gpu_enter(pmap_t pmap, vm_offset_t va, vm_paddr_t pa,
vm_prot_t prot, u_int flags);
int pmap_gpu_remove(pmap_t pmap, vm_offset_t va);
/* Common */
void smmu_pmap_remove_pages(pmap_t pmap);
void smmu_pmap_release(pmap_t pmap);
int smmu_pmap_pinit(pmap_t);
#endif /* !_ARM64_IOMMU_IOMMU_PMAP_H_ */