From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yang Subject: [PATCH 10/16] kvm: Support MSI convert to INTx in device assignment Date: Thu, 12 Mar 2009 21:36:53 +0800 Message-ID: <1236865019-30321-11-git-send-email-sheng@linux.intel.com> References: <1236865019-30321-1-git-send-email-sheng@linux.intel.com> Cc: kvm@vger.kernel.org, Sheng Yang To: Avi Kivity , Marcelo Tosatti , Anthony Liguori Return-path: Received: from mga11.intel.com ([192.55.52.93]:26037 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756150AbZCLNhE (ORCPT ); Thu, 12 Mar 2009 09:37:04 -0400 In-Reply-To: <1236865019-30321-1-git-send-email-sheng@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Sheng Yang --- qemu/hw/device-assignment.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c index bda0e95..01485d7 100644 --- a/qemu/hw/device-assignment.c +++ b/qemu/hw/device-assignment.c @@ -588,7 +588,11 @@ static int assign_irq(AssignedDevInfo *adev) assigned_irq_data.guest_irq = irq; assigned_irq_data.host_irq = dev->real_device.irq; #ifdef KVM_CAP_ASSIGN_DEV_IRQ - assigned_irq_data.flags = KVM_DEV_IRQ_HOST_INTX | KVM_DEV_IRQ_GUEST_INTX; + if (dev->cap.available & ASSIGNED_DEVICE_CAP_MSI) + assigned_irq_data.flags = KVM_DEV_IRQ_HOST_MSI | KVM_DEV_IRQ_GUEST_INTX; + else + assigned_irq_data.flags = KVM_DEV_IRQ_HOST_INTX | KVM_DEV_IRQ_GUEST_INTX; + r = kvm_deassign_irq(kvm_context, &assigned_irq_data); /* -ENXIO means no assigned irq */ if (r && r != -ENXIO) -- 1.5.4.5