pci: add MemoryRegion based BAR management API

Allow registering a BAR using a MemoryRegion.  Once all users are converted,
pci_register_bar() and pci_register_bar_simple() will be removed.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/hw/pci.h b/hw/pci.h
index cfeb042219..c51156d21c 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -94,6 +94,7 @@ typedef struct PCIIORegion {
     uint8_t type;
     PCIMapIORegionFunc *map_func;
     ram_addr_t ram_addr;
+    MemoryRegion *memory;
 } PCIIORegion;
 
 #define PCI_ROM_SLOT 6
@@ -204,6 +205,8 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
                             PCIMapIORegionFunc *map_func);
 void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
                              pcibus_t size, uint8_t attr, ram_addr_t ram_addr);
+void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
+                             uint8_t attr, MemoryRegion *memory);
 
 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
                        uint8_t offset, uint8_t size);