From 16a96f288adccdd84c17c7d1696042a2a2009bfc Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 8 Aug 2011 16:08:55 +0300
Subject: pci: add API to get a BAR's mapped address

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 <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 hw/pci.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'hw/pci.c')

diff --git a/hw/pci.c b/hw/pci.c
index 8621d3d2b1..c2c2699364 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)
 {
-- 
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