From patchwork Fri Nov 17 06:24:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chao Gao X-Patchwork-Id: 10062321 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 67F9E6023A for ; Fri, 17 Nov 2017 06:27:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5ADE72A825 for ; Fri, 17 Nov 2017 06:27:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4EDC72A990; Fri, 17 Nov 2017 06:27:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 861E42A539 for ; Fri, 17 Nov 2017 06:27:16 +0000 (UTC) Received: from localhost ([::1]:44095 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eFa7P-00018p-Jq for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 Nov 2017 01:27:15 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eFa6X-00018P-K4 for qemu-devel@nongnu.org; Fri, 17 Nov 2017 01:26:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eFa6V-00013i-Si for qemu-devel@nongnu.org; Fri, 17 Nov 2017 01:26:21 -0500 Received: from mga11.intel.com ([192.55.52.93]:62640) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eFa6V-0000tS-Jq for qemu-devel@nongnu.org; Fri, 17 Nov 2017 01:26:19 -0500 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Nov 2017 22:26:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,407,1505804400"; d="scan'208";a="2622209" Received: from skl-4s-chao.sh.intel.com ([10.239.48.9]) by fmsmga004.fm.intel.com with ESMTP; 16 Nov 2017 22:26:17 -0800 From: Chao Gao To: qemu-devel@nongnu.org Date: Fri, 17 Nov 2017 14:24:23 +0800 Message-Id: <1510899865-40323-2-git-send-email-chao.gao@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1510899865-40323-1-git-send-email-chao.gao@intel.com> References: <1510899865-40323-1-git-send-email-chao.gao@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [PATCH v3 1/3] i386/msi: Correct mask of destination ID in MSI address X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anthony Perard , Lan Tianyu , "Michael S. Tsirkin" , Peter Xu , Chao Gao Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP According to SDM 10.11.1, only [19:12] bits of MSI address are Destination ID, change the mask to avoid ambiguity for VT-d spec has used the bit 4 to indicate a remappable interrupt request. Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu Reviewed-by: Anthony PERARD Reviewed-by: Peter Xu Reviewed-by: Michael S. Tsirkin --- include/hw/i386/apic-msidef.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/hw/i386/apic-msidef.h b/include/hw/i386/apic-msidef.h index 8b4d4cc..420b411 100644 --- a/include/hw/i386/apic-msidef.h +++ b/include/hw/i386/apic-msidef.h @@ -26,6 +26,6 @@ #define MSI_ADDR_DEST_ID_SHIFT 12 #define MSI_ADDR_DEST_IDX_SHIFT 4 -#define MSI_ADDR_DEST_ID_MASK 0x00ffff0 +#define MSI_ADDR_DEST_ID_MASK 0x000ff000 #endif /* HW_APIC_MSIDEF_H */