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sys/arm64/iommu/iommu_if.m
- This file was added.
#- | |||||
# SPDX-License-Identifier: BSD-2-Clause | |||||
#: | |||||
# Copyright (c) 2020 Ruslan Bukin <br@bsdpad.com> | |||||
# | |||||
# This software was developed by SRI International and the University of | |||||
# Cambridge Computer Laboratory (Department of Computer Science and | |||||
# Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the | |||||
# DARPA SSITH research programme. | |||||
# | |||||
# 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. | |||||
# | |||||
# $FreeBSD$ | |||||
# | |||||
#include <vm/vm.h> | |||||
#include <sys/types.h> | |||||
#include <sys/taskqueue.h> | |||||
#include <sys/bus.h> | |||||
#include <sys/sysctl.h> | |||||
#include <sys/tree.h> | |||||
#include <sys/mutex.h> | |||||
#include <vm/vm.h> | |||||
#include <vm/pmap.h> | |||||
#include <dev/pci/pcireg.h> | |||||
#include <dev/pci/pcivar.h> | |||||
#include <dev/iommu/iommu.h> | |||||
#include <arm64/iommu/iommu.h> | |||||
INTERFACE iommu; | |||||
# | |||||
# Map a virtual address VA to a physical address PA. | |||||
# | |||||
METHOD int map { | |||||
device_t dev; | |||||
struct smmu_domain *domain; | |||||
vm_offset_t va; | |||||
vm_paddr_t pa; | |||||
bus_size_t size; | |||||
vm_prot_t prot; | |||||
}; | |||||
# | |||||
# Unmap a virtual address VA. | |||||
# | |||||
METHOD int unmap { | |||||
device_t dev; | |||||
struct smmu_domain *domain; | |||||
vm_offset_t va; | |||||
bus_size_t size; | |||||
}; | |||||
# | |||||
# Allocate an IOMMU domain. | |||||
# | |||||
METHOD struct smmu_domain * domain_alloc { | |||||
device_t dev; | |||||
}; | |||||
# | |||||
# Release all the resources held by IOMMU domain. | |||||
# | |||||
METHOD int domain_free { | |||||
device_t dev; | |||||
struct smmu_domain *domain; | |||||
}; | |||||
# | |||||
# Attach a consumer device to a IOMMU domain. | |||||
# | |||||
METHOD int ctx_attach { | |||||
device_t dev; | |||||
struct smmu_domain *domain; | |||||
struct smmu_ctx *ctx; | |||||
}; | |||||
# | |||||
# Detach a consumer device from IOMMU domain. | |||||
# | |||||
METHOD int ctx_detach { | |||||
device_t dev; | |||||
struct smmu_ctx *ctx; | |||||
}; |