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authorDr. David Alan Gilbert <dgilbert@redhat.com>2019-07-30 10:37:18 +0100
committerMichael S. Tsirkin <mst@redhat.com>2019-07-30 12:07:07 -0400
commita58dfba20168dae18650ad70f47af99be55b1c45 (patch)
tree71a493c8d8f9c961d156f6724c8a62bc91c2af2a /include/hw/pci
parent22235bb609c18547cf6b215bad1f9d2ec56ad371 (diff)
downloadfocaccia-qemu-a58dfba20168dae18650ad70f47af99be55b1c45.tar.gz
focaccia-qemu-a58dfba20168dae18650ad70f47af99be55b1c45.zip
pcie_root_port: Allow ACS to be disabled
ACS was added in 4.0 unconditionally, this breaks migration
compatibility.
Allow ACS to be disabled by adding a property that's
checked by pcie_root_port.

Unfortunately pcie-root-port doesn't have any instance data,
so there's no where for that flag to live, so stuff it into
PCIESlot.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190730093719.12958-2-dgilbert@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/pci')
-rw-r--r--include/hw/pci/pcie_port.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/pci/pcie_port.h b/include/hw/pci/pcie_port.h
index 09586f4641..7515430087 100644
--- a/include/hw/pci/pcie_port.h
+++ b/include/hw/pci/pcie_port.h
@@ -53,6 +53,8 @@ struct PCIESlot {
     PCIExpLinkSpeed speed;
     PCIExpLinkWidth width;
 
+    /* Disable ACS (really for a pcie_root_port) */
+    bool        disable_acs;
     QLIST_ENTRY(PCIESlot) next;
 };