On Mon, 16 Sep 2024, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.igles...@amd.com>
>
> Enable PCI support for the ARM Xen PVH machine.
>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@amd.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
> ---
> hw/arm/xen-pvh.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/hw/arm/xen-pvh.c b/hw/arm/xen-pvh.c
> index 28af3910ea..33f0dd5982 100644
> --- a/hw/arm/xen-pvh.c
> +++ b/hw/arm/xen-pvh.c
> @@ -39,6 +39,16 @@ static void xen_arm_instance_init(Object *obj)
> VIRTIO_MMIO_DEV_SIZE };
> }
>
> +static void xen_pvh_set_pci_intx_irq(void *opaque, int intx_irq, int level)
> +{
> + XenPVHMachineState *s = XEN_PVH_MACHINE(opaque);
> + int irq = s->cfg.pci_intx_irq_base + intx_irq;
> +
> + if (xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level)) {
> + error_report("xendevicemodel_set_pci_intx_level failed");
> + }
> +}
> +
> static void xen_arm_machine_class_init(ObjectClass *oc, void *data)
> {
> XenPVHMachineClass *xpc = XEN_PVH_MACHINE_CLASS(oc);
> @@ -69,7 +79,11 @@ static void xen_arm_machine_class_init(ObjectClass *oc,
> void *data)
> /* Xen/ARM does not use buffered IOREQs. */
> xpc->handle_bufioreq = HVM_IOREQSRV_BUFIOREQ_OFF;
>
> + /* PCI INTX delivery. */
> + xpc->set_pci_intx_irq = xen_pvh_set_pci_intx_irq;
> +
> /* List of supported features known to work on PVH ARM. */
> + xpc->has_pci = true;
> xpc->has_tpm = true;
> xpc->has_virtio_mmio = true;
>
> --
> 2.43.0
>
