On PVH dom0, the gsis don't get registered, but the gsi of a passthrough device must be configured for it to be able to be mapped into a hvm domU. On Linux kernel side, it calles PHYSDEVOP_setup_gsi for passthrough devices to register gsi when dom0 is PVH. So, add PHYSDEVOP_setup_gsi for above purpose.
Signed-off-by: Huang Rui <ray.hu...@amd.com> Signed-off-by: Jiqian Chen <jiqian.c...@amd.com> --- The code link that will call this hypercall on linux kernel side is as follows https://lore.kernel.org/lkml/20240607075109.126277-3-jiqian.c...@amd.com/T/#u --- xen/arch/x86/hvm/hypercall.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/hypercall.c b/xen/arch/x86/hvm/hypercall.c index fa5d50a0dd22..164f4eefa043 100644 --- a/xen/arch/x86/hvm/hypercall.c +++ b/xen/arch/x86/hvm/hypercall.c @@ -86,6 +86,7 @@ long hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void) arg) return -ENOSYS; break; + case PHYSDEVOP_setup_gsi: case PHYSDEVOP_pci_mmcfg_reserved: case PHYSDEVOP_pci_device_add: case PHYSDEVOP_pci_device_remove: -- 2.34.1
