Some (hacky) devices that have a back-channel to read this
address back outside the normal configuration mechanisms, such
as VMware svga.
Reviewed-by: Richard Henderson <r...@twiddle.net>
Signed-off-by: Avi Kivity <a...@redhat.com>
---
hw/pci.c | 5 +++++
hw/pci.h | 1 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 8621d3d..c2c2699 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -952,6 +952,11 @@ void pci_register_bar_region(PCIDevice *pci_dev, int
region_num,
pci_dev->io_regions[region_num].memory = memory;
}
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
+{
+ return pci_dev->io_regions[region_num].addr;
+}
+
static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
uint8_t type)
{
diff --git a/hw/pci.h b/hw/pci.h
index c51156d..64282ad 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -207,6 +207,7 @@ 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);
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
uint8_t offset, uint8_t size);
--
1.7.5.3
