Patchwork [01/11] pci: add pci_address_space_io()

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Submitter Richard Henderson
Date Aug. 10, 2011, 10:28 p.m.
Message ID <1313015300-23920-2-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/109470/
State New
Headers show

Comments

Richard Henderson - Aug. 10, 2011, 10:28 p.m.
Returns the I/O address space.  Useful for implementing
PCI-ISA bridge devices.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 hw/pci.c |    5 +++++
 hw/pci.h |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/pci.c b/hw/pci.c
index 4e495b4..4f7bb7a 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -2170,3 +2170,8 @@  MemoryRegion *pci_address_space(PCIDevice *dev)
 {
     return dev->bus->address_space_mem;
 }
+
+MemoryRegion *pci_address_space_io(PCIDevice *dev)
+{
+    return dev->bus->address_space_io;
+}
diff --git a/hw/pci.h b/hw/pci.h
index 391217e..6bdbe4c 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -221,6 +221,7 @@  void pci_default_write_config(PCIDevice *d,
 void pci_device_save(PCIDevice *s, QEMUFile *f);
 int pci_device_load(PCIDevice *s, QEMUFile *f);
 MemoryRegion *pci_address_space(PCIDevice *dev);
+MemoryRegion *pci_address_space_io(PCIDevice *dev);
 
 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);