From a09d2038cc5f8e45e2126461e5fb1eb9f4874be3 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Wed, 12 Dec 2018 12:40:09 -0700 Subject: pcie: Fast PCIe root ports for new machines Change the default speed and width for new machine types to the fastest and widest currently supported. This should be compatible to the PCIe 4.0 spec. Pre-QEMU-4.0 machine types remain at 2.5GT/s, x1 width. Cc: Marcel Apfelbaum Reviewed-by: Eric Auger Signed-off-by: Alex Williamson Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/compat.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/hw/compat.h b/include/hw/compat.h index 7095832..3ca85b0 100644 --- a/include/hw/compat.h +++ b/include/hw/compat.h @@ -2,7 +2,15 @@ #define HW_COMPAT_H #define HW_COMPAT_3_1 \ - /* empty */ + {\ + .driver = "pcie-root-port",\ + .property = "x-speed",\ + .value = "2_5",\ + },{\ + .driver = "pcie-root-port",\ + .property = "x-width",\ + .value = "1",\ + }, #define HW_COMPAT_3_0 \ /* empty */ -- cgit v1.1