09b4c3d6a2
Add an IOMMUDevice 'probe_done' flag to record that the driver already issued a probe request on that device. This will be useful to double check host reserved regions aren't notified after the probe and hence are not taken into account by the driver. Signed-off-by: Eric Auger <eric.auger@redhat.com> Suggested-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com> Tested-by: Yanghang Liu <yanghliu@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
71 lines
2.0 KiB
C
71 lines
2.0 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-pci"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(VirtIOIOMMU, 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;
|
|
MemoryRegion root; /* The root container of the device */
|
|
MemoryRegion bypass_mr; /* The alias of shared memory MR */
|
|
GList *resv_regions;
|
|
bool probe_done;
|
|
} 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 *prop_resv_regions;
|
|
uint32_t nr_prop_resv_regions;
|
|
GTree *domains;
|
|
QemuRecMutex mutex;
|
|
GTree *endpoints;
|
|
bool boot_bypass;
|
|
Notifier machine_done;
|
|
bool granule_frozen;
|
|
};
|
|
|
|
#endif
|