Make mmio a subregion of the BAR.
This will allow mapping rom within the same BAR down the road.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
hw/misc/pci-testdev.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/misc/pci-testdev.c b/hw/misc/pci-testdev.c
index 6edc1cd..94141a3 100644
--- a/hw/misc/pci-testdev.c
+++ b/hw/misc/pci-testdev.c
@@ -83,6 +83,7 @@ typedef struct PCITestDevState {
/*< public >*/
MemoryRegion mmio;
+ MemoryRegion mbar;
MemoryRegion portio;
IOTest *tests;
int current;
@@ -248,9 +249,13 @@ static void pci_testdev_realize(PCIDevice *pci_dev, Error
**errp)
memory_region_init_io(&d->mmio, OBJECT(d), &pci_testdev_mmio_ops, d,
"pci-testdev-mmio", IOTEST_MEMSIZE * 2);
+ memory_region_init(&d->mbar, OBJECT(d),
+ "pci-testdev-mmio", IOTEST_MEMSIZE * 2);
memory_region_init_io(&d->portio, OBJECT(d), &pci_testdev_pio_ops, d,
"pci-testdev-portio", IOTEST_IOSIZE * 2);
- pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
+
+ memory_region_add_subregion_overlap(&d->mbar, 0, &d->mmio, 1 /* prio */);
+ pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mbar);
pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->portio);
d->current = -1;
--
MST
