[Qemu-devel] [PATCH 28/32] pci: make pci_bar useable outside pci.c

[David Gibson <david@gibson.dropbear.id.au>]

From: Michael Roth <mdroth@linux.vnet.ibm.com>

We need to work with PCI BARs to generate OF properties
during PCI hotplug for sPAPR guests.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/pci/pci.c         | 2 +-
 include/hw/pci/pci.h | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index b3d5100..e57255e 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -123,7 +123,7 @@ static uint16_t pci_default_sub_device_id = PCI_SUBDEVICE_ID_QEMU;
 
 static QLIST_HEAD(, PCIHostState) pci_host_bridges;
 
-static int pci_bar(PCIDevice *d, int reg)
+int pci_bar(PCIDevice *d, int reg)
 {
     uint8_t type;
 
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index d4ffead..a733ba4 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -333,6 +333,12 @@ int pci_device_load(PCIDevice *s, QEMUFile *f);
 MemoryRegion *pci_address_space(PCIDevice *dev);
 MemoryRegion *pci_address_space_io(PCIDevice *dev);
 
+/*
+ * Should not normally be used by devices. For use by sPAPR target
+ * where QEMU emulates firmware.
+ */
+int pci_bar(PCIDevice *d, int reg);
+
 typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
 typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin);
-- 
2.1.0