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Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Zhao Liu , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH 1/2] hw/pci-bridge: Add x-speed and x-width properties to xio3130-downstream Date: Tue, 15 Sep 2026 09:25:06 +0200 Message-ID: <20260915072507.1230187-2-clg@redhat.com> In-Reply-To: <20260915072507.1230187-1-clg@redhat.com> References: <20260915072507.1230187-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.6 on 10.30.177.95 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Default to 16GT/s x32 for new machine types and add compat entries for <= 11.1 to preserve the old 2.5GT/s x1 behavior. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/4409 Signed-off-by: Cédric Le Goater --- hw/core/machine.c | 2 ++ hw/pci-bridge/xio3130_downstream.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/hw/core/machine.c b/hw/core/machine.c index 8939ae16666c2d9454d93eccc5ca44e231b1ef6d..b702a61f7335a30841164279e73432bc238ee5e5 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -43,6 +43,8 @@ GlobalProperty hw_compat_11_1[] = { { "sysbus-ehci-usb", "x-migrate-fetch-addr-64bit", "off" }, { "pci-ehci-usb", "x-migrate-fetch-addr-64bit", "off" }, + { "xio3130-downstream", "x-speed", "2_5" }, + { "xio3130-downstream", "x-width", "1" }, }; const size_t hw_compat_11_1_len = G_N_ELEMENTS(hw_compat_11_1); diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c index 0c3fed3053b0e2b2ee2cf703c5f9e1f33ec1ff5b..0669223159a43f334d7ed46bec347de1bb8420ca 100644 --- a/hw/pci-bridge/xio3130_downstream.c +++ b/hw/pci-bridge/xio3130_downstream.c @@ -25,6 +25,7 @@ #include "hw/pci/pcie.h" #include "hw/pci/pcie_port.h" #include "hw/core/qdev-properties.h" +#include "hw/core/qdev-properties-system.h" #include "migration/vmstate.h" #include "qapi/error.h" #include "qemu/module.h" @@ -137,6 +138,10 @@ static void xio3130_downstream_exitfn(PCIDevice *d) static const Property xio3130_downstream_props[] = { DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present, QEMU_PCIE_SLTCAP_PCP_BITNR, true), + DEFINE_PROP_PCIE_LINK_SPEED("x-speed", PCIESlot, + speed, PCIE_LINK_SPEED_16), + DEFINE_PROP_PCIE_LINK_WIDTH("x-width", PCIESlot, + width, PCIE_LINK_WIDTH_32), }; static const VMStateDescription vmstate_xio3130_downstream = { -- 2.55.0