* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
+#include "hw/pci/pci_bus.h"
#include "trace.h"
/* debug PCI */
uint32_t limit, uint32_t val, uint32_t len)
{
assert(len <= 4);
+ /* non-zero functions are only exposed when function 0 is present,
+ * allowing direct removal of unexposed functions.
+ */
+ if (pci_dev->qdev.hotplugged && !pci_get_function_0(pci_dev)) {
+ return;
+ }
+
trace_pci_cfg_write(pci_dev->name, PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn), addr, val);
pci_dev->config_write(pci_dev, addr, val, MIN(len, limit - addr));
uint32_t ret;
assert(len <= 4);
+ /* non-zero functions are only exposed when function 0 is present,
+ * allowing direct removal of unexposed functions.
+ */
+ if (pci_dev->qdev.hotplugged && !pci_get_function_0(pci_dev)) {
+ return ~0x0;
+ }
+
ret = pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
trace_pci_cfg_read(pci_dev->name, PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn), addr, ret);