qemu/include/hw/remote/iommu.h
Jagannathan Raman 253007d147 vfio-user: IOMMU support for remote device
Assign separate address space for each device in the remote processes.

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: afe0b0a97582cdad42b5b25636a29c523265a10a.1655151679.git.jag.raman@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-06-15 16:43:42 +01:00

41 lines
758 B
C

/**
* Copyright © 2022 Oracle and/or its affiliates.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef REMOTE_IOMMU_H
#define REMOTE_IOMMU_H
#include "hw/pci/pci_bus.h"
#include "hw/pci/pci.h"
#ifndef INT2VOIDP
#define INT2VOIDP(i) (void *)(uintptr_t)(i)
#endif
typedef struct RemoteIommuElem {
MemoryRegion *mr;
AddressSpace as;
} RemoteIommuElem;
#define TYPE_REMOTE_IOMMU "x-remote-iommu"
OBJECT_DECLARE_SIMPLE_TYPE(RemoteIommu, REMOTE_IOMMU)
struct RemoteIommu {
Object parent;
GHashTable *elem_by_devfn;
QemuMutex lock;
};
void remote_iommu_setup(PCIBus *pci_bus);
void remote_iommu_unplug_dev(PCIDevice *pci_dev);
#endif