From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756086Ab1DGNbA (ORCPT ); Thu, 7 Apr 2011 09:31:00 -0400 Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.31]:47346 "EHLO VA3EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751692Ab1DGNa6 (ORCPT ); Thu, 7 Apr 2011 09:30:58 -0400 X-SpamScore: -2 X-BigFish: VPS-2(zzbb2cKzz1202hzz8275bhz32i668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: KIP:(null);UIP:(null);IPVD:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-WSS-ID: 0LJAAU6-01-CQ8-02 X-M-MSG: From: Joerg Roedel To: CC: , Joerg Roedel Subject: [PATCH 2/9] x86/amd-iommu: Move inv-dte command building to own function Date: Thu, 7 Apr 2011 15:29:57 +0200 Message-ID: <1302183004-4081-3-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1302183004-4081-1-git-send-email-joerg.roedel@amd.com> References: <1302183004-4081-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch moves command building for the invalidate-dte command into its own function. Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index eebd504..4e5631a 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -390,6 +390,13 @@ static void build_completion_wait(struct iommu_cmd *cmd) CMD_SET_TYPE(cmd, CMD_COMPL_WAIT); } +static void build_inv_dte(struct iommu_cmd *cmd, u16 devid) +{ + memset(cmd, 0, sizeof(*cmd)); + cmd->data[0] = devid; + CMD_SET_TYPE(cmd, CMD_INV_DEV_ENTRY); +} + /* * Writes the command to the IOMMUs command buffer and informs the * hardware about the new command. Must be called with iommu->lock held. @@ -533,10 +540,7 @@ static int iommu_flush_device(struct device *dev) devid = get_device_id(dev); iommu = amd_iommu_rlookup_table[devid]; - /* Build command */ - memset(&cmd, 0, sizeof(cmd)); - CMD_SET_TYPE(&cmd, CMD_INV_DEV_ENTRY); - cmd.data[0] = devid; + build_inv_dte(&cmd, devid); return iommu_queue_command(iommu, &cmd); } -- 1.7.1