blob: e653004d7ca21a43c9769b51e50aaaa88175741f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* 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"
#define TYPE_VIRTIO_IOMMU "virtio-iommu-device"
#define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-device-base"
#define VIRTIO_IOMMU(obj) \
OBJECT_CHECK(VirtIOIOMMU, (obj), 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;
typedef 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;
GTree *domains;
QemuMutex mutex;
GTree *endpoints;
} VirtIOIOMMU;
#endif
|
