From patchwork Tue Sep 28 08:34:51 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sheng Yang X-Patchwork-Id: 214182 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8S8Z52s031749 for ; Tue, 28 Sep 2010 08:35:06 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758599Ab0I1IfC (ORCPT ); Tue, 28 Sep 2010 04:35:02 -0400 Received: from mga09.intel.com ([134.134.136.24]:55077 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758383Ab0I1IfB (ORCPT ); Tue, 28 Sep 2010 04:35:01 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 28 Sep 2010 01:35:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.57,246,1283756400"; d="scan'208";a="661840895" Received: from syang10-desktop.sh.intel.com (HELO syang10-desktop) ([10.239.13.14]) by orsmga001.jf.intel.com with ESMTP; 28 Sep 2010 01:34:56 -0700 Received: from yasker by syang10-desktop with local (Exim 4.71) (envelope-from ) id 1P0VeF-0006AC-Dv; Tue, 28 Sep 2010 16:34:51 +0800 From: Sheng Yang To: Avi Kivity , Marcelo Tosatti Cc: kvm@vger.kernel.org, Sheng Yang Subject: [PATCH] qemu-kvm: device assignment: Reflect assigned device's MSI data/address modification to KVM Date: Tue, 28 Sep 2010 16:34:51 +0800 Message-Id: <1285662891-23667-1-git-send-email-sheng@linux.intel.com> X-Mailer: git-send-email 1.7.0.4 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 28 Sep 2010 08:35:07 +0000 (UTC) diff --git a/hw/device-assignment.c b/hw/device-assignment.c index 87f7418..1e83495 100644 --- a/hw/device-assignment.c +++ b/hw/device-assignment.c @@ -1283,7 +1283,8 @@ static void assigned_device_pci_cap_write_config(PCIDevice *pci_dev, uint32_t ad #ifdef KVM_CAP_DEVICE_MSI if (assigned_dev->cap.available & ASSIGNED_DEVICE_CAP_MSI) { ctrl_pos = pos + PCI_MSI_FLAGS; - if (address <= ctrl_pos && address + len > ctrl_pos) + /* Cover control, MSI data/addr fields */ + if (pos <= address && address + len < pos + PCI_MSI_DATA_32 + 2) assigned_dev_update_msi(pci_dev, ctrl_pos); pos += PCI_CAPABILITY_CONFIG_MSI_LENGTH; }