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authorAllen Kay <allen.m.kay@intel.com>2012-06-21 15:40:48 +0000
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2012-06-21 16:06:11 +0000
commit93d7ae8e77681bcdf537a2b5ff1febfd814d59c4 (patch)
tree3a848b83c7223a0aaf49348ca02c12a838f2f32c /hw/xen_pt.c
parenteaab4d60d3ad908936564492862e8a84f5fa59b2 (diff)
Introduce Xen PCI Passthrough, PCI config space helpers
A more complete history can be found here: git://xenbits.xensource.com/qemu-xen-unstable.git Signed-off-by: Allen Kay <allen.m.kay@intel.com> Signed-off-by: Guy Zana <guy@neocleus.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'hw/xen_pt.c')
-rw-r--r--hw/xen_pt.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/xen_pt.c b/hw/xen_pt.c
index 63a5c80efa..92ad0fa518 100644
--- a/hw/xen_pt.c
+++ b/hw/xen_pt.c
@@ -673,6 +673,13 @@ static int xen_pt_initfn(PCIDevice *d)
/* Handle real device's MMIO/PIO BARs */
xen_pt_register_regions(s);
+ /* reinitialize each config register to be emulated */
+ if (xen_pt_config_init(s)) {
+ XEN_PT_ERR(d, "PCI Config space initialisation failed.\n");
+ xen_host_pci_device_put(&s->real_device);
+ return -1;
+ }
+
/* Bind interrupt */
if (!s->dev.config[PCI_INTERRUPT_PIN]) {
XEN_PT_LOG(d, "no pin interrupt\n");
@@ -771,6 +778,9 @@ static int xen_pt_unregister_device(PCIDevice *d)
}
}
+ /* delete all emulated config registers */
+ xen_pt_config_delete(s);
+
xen_pt_unregister_regions(s);
memory_listener_unregister(&s->memory_listener);