Let's be consistent and reserve ioports when we are configuring the BAR,
not when we map it, just like we do with mmio regions.
Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>
Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
---
vfio/core.c | 9 +++------
vfio/pci.c | 4 +++-
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/vfio/core.c b/vfio/core.c
index b80ebf3bb913..bad3c7c8cd26 100644
--- a/vfio/core.c
+++ b/vfio/core.c
@@ -202,14 +202,11 @@ static int vfio_setup_trap_region(struct kvm *kvm, struct vfio_device *vdev,
struct vfio_region *region)
{
if (region->is_ioport) {
- int port = pci_get_io_port_block(region->info.size);
-
- port = ioport__register(kvm, port, &vfio_ioport_ops,
- region->info.size, region);
+ int port = ioport__register(kvm, region->port_base,
+ &vfio_ioport_ops, region->info.size,
+ region);
if (port < 0)
return port;
-
- region->port_base = port;
return 0;
}
diff --git a/vfio/pci.c b/vfio/pci.c
index 89d29b89db43..0b548e4bf9e2 100644
--- a/vfio/pci.c
+++ b/vfio/pci.c
@@ -894,7 +894,9 @@ static int vfio_pci_configure_bar(struct kvm *kvm, struct vfio_device *vdev,
}
}
- if (!region->is_ioport) {
+ if (region->is_ioport) {
+ region->port_base = pci_get_io_port_block(region->info.size);
+ } else {
/* Grab some MMIO space in the guest */
map_size = ALIGN(region->info.size, PAGE_SIZE);
region->guest_phys_addr = pci_get_mmio_block(map_size);
--
2.7.4
