Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752680AbYFZT3k (ORCPT ); Thu, 26 Jun 2008 15:29:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760089AbYFZT2a (ORCPT ); Thu, 26 Jun 2008 15:28:30 -0400 Received: from outbound-wa4.frontbridge.com ([216.32.181.16]:24102 "EHLO WA4EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760018AbYFZT22 (ORCPT ); Thu, 26 Jun 2008 15:28:28 -0400 X-BigFish: VPS4(z1039oz18c1K655Oc8kzz10d3izzz32i43j65h) X-Spam-TCS-SCL: 4:0 X-WSS-ID: 0K334QX-04-UN3-01 From: Joerg Roedel To: tglx@linutronix.de, mingo@redhat.com CC: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, bhavna.sarathy@amd.com, Sebastian.Biemueller@amd.com, robert.richter@amd.com, joro@8bytes.org, Joerg Roedel Subject: [PATCH 17/34] AMD IOMMU: add generic defines and structures for mapping code Date: Thu, 26 Jun 2008 21:27:53 +0200 Message-ID: <1214508490-29683-18-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1214508490-29683-1-git-send-email-joerg.roedel@amd.com> References: <1214508490-29683-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 26 Jun 2008 19:28:11.0840 (UTC) FILETIME=[C5928400:01C8D7C2] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2064 Lines: 64 This patch adds generic stuff used by the mapping and unmapping code for the AMD IOMMU. Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) create mode 100644 arch/x86/kernel/amd_iommu.c diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c new file mode 100644 index 0000000..90392c7 --- /dev/null +++ b/arch/x86/kernel/amd_iommu.c @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. + * Author: Joerg Roedel + * Leo Duran + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28)) + +#define to_pages(addr, size) \ + (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT) + +static DEFINE_RWLOCK(amd_iommu_devtable_lock); + +struct command { + u32 data[4]; +}; + + -- 1.5.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/