pci: give each device its own address space

Accesses from different devices can resolve differently
(depending on bridge settings, iommus, and PCI_COMMAND_MASTER), so
set up an address space for each device.

Currently iommus are expressed outside the memory API, so this doesn't
work if an iommu is present.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/pci.h b/hw/pci.h
index d50d26c8a..f9207ca06 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -211,6 +211,7 @@ struct PCIDevice {
     int32_t devfn;
     char name[64];
     PCIIORegion io_regions[PCI_NUM_REGIONS];
+    AddressSpace bus_master_as;
     DMAContext *dma;
 
     /* do not access the following fields */