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Diffstat (limited to 'hw/pci-bridge')
-rw-r--r--hw/pci-bridge/gen_pcie_root_port.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/pci-bridge/gen_pcie_root_port.c b/hw/pci-bridge/gen_pcie_root_port.c
index ec99079..20099a8 100644
--- a/hw/pci-bridge/gen_pcie_root_port.c
+++ b/hw/pci-bridge/gen_pcie_root_port.c
@@ -28,6 +28,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(GenPCIERootPort, GEN_PCIE_ROOT_PORT)
(GEN_PCIE_ROOT_PORT_AER_OFFSET + PCI_ERR_SIZEOF)
#define GEN_PCIE_ROOT_PORT_MSIX_NR_VECTOR 1
+#define GEN_PCIE_ROOT_DEFAULT_IO_RANGE 4096
struct GenPCIERootPort {
/*< private >*/
@@ -75,6 +76,7 @@ static bool gen_rp_test_migrate_msix(void *opaque, int version_id)
static void gen_rp_realize(DeviceState *dev, Error **errp)
{
PCIDevice *d = PCI_DEVICE(dev);
+ PCIESlot *s = PCIE_SLOT(d);
GenPCIERootPort *grp = GEN_PCIE_ROOT_PORT(d);
PCIERootPortClass *rpc = PCIE_ROOT_PORT_GET_CLASS(d);
Error *local_err = NULL;
@@ -85,6 +87,9 @@ static void gen_rp_realize(DeviceState *dev, Error **errp)
return;
}
+ if (grp->res_reserve.io == -1 && s->hotplug && !s->native_hotplug) {
+ grp->res_reserve.io = GEN_PCIE_ROOT_DEFAULT_IO_RANGE;
+ }
int rc = pci_bridge_qemu_reserve_cap_init(d, 0,
grp->res_reserve, errp);