qemu/include/hw/virtio/virtio-iommu.h
Eduardo Habkost 8110fa1d94 Use DECLARE_*CHECKER* macros
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:27:09 -04:00

66 lines
1.9 KiB
C

/*
* virtio-iommu device
*
* Copyright (c) 2020 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef QEMU_VIRTIO_IOMMU_H
#define QEMU_VIRTIO_IOMMU_H
#include "standard-headers/linux/virtio_iommu.h"
#include "hw/virtio/virtio.h"
#include "hw/pci/pci.h"
#include "qom/object.h"
#define TYPE_VIRTIO_IOMMU "virtio-iommu-device"
#define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-device-base"
typedef struct VirtIOIOMMU VirtIOIOMMU;
DECLARE_INSTANCE_CHECKER(VirtIOIOMMU, VIRTIO_IOMMU,
TYPE_VIRTIO_IOMMU)
#define TYPE_VIRTIO_IOMMU_MEMORY_REGION "virtio-iommu-memory-region"
typedef struct IOMMUDevice {
void *viommu;
PCIBus *bus;
int devfn;
IOMMUMemoryRegion iommu_mr;
AddressSpace as;
} IOMMUDevice;
typedef struct IOMMUPciBus {
PCIBus *bus;
IOMMUDevice *pbdev[]; /* Parent array is sparse, so dynamically alloc */
} IOMMUPciBus;
struct VirtIOIOMMU {
VirtIODevice parent_obj;
VirtQueue *req_vq;
VirtQueue *event_vq;
struct virtio_iommu_config config;
uint64_t features;
GHashTable *as_by_busptr;
IOMMUPciBus *iommu_pcibus_by_bus_num[PCI_BUS_MAX];
PCIBus *primary_bus;
ReservedRegion *reserved_regions;
uint32_t nb_reserved_regions;
GTree *domains;
QemuMutex mutex;
GTree *endpoints;
};
#endif