Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751914Ab1DKN5M (ORCPT ); Mon, 11 Apr 2011 09:57:12 -0400 Received: from out2.smtp.messagingengine.com ([66.111.4.26]:42695 "EHLO out2.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751096Ab1DKN5L (ORCPT ); Mon, 11 Apr 2011 09:57:11 -0400 X-Sasl-enc: FZ2Xy6ggQAfP0s0whGn1WYpIhpGMVLzOSmz9NqIWpVaO 1302530230 Date: Mon, 11 Apr 2011 10:57:08 -0300 From: Henrique de Moraes Holschuh To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH 2/2] x86/amd-iommu: Add support for invalidate_all command Message-ID: <20110411135708.GB28056@khazad-dum.debian.net> References: <1302514324-14717-1-git-send-email-joerg.roedel@amd.com> <1302514324-14717-3-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1302514324-14717-3-git-send-email-joerg.roedel@amd.com> X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1056 Lines: 34 On Mon, 11 Apr 2011, Joerg Roedel wrote: > This patch adds support for the invalidate_all command > present in new versions of the AMD IOMMU. ... > #define CMD_COMPL_WAIT 0x01 > #define CMD_INV_DEV_ENTRY 0x02 > #define CMD_INV_IOMMU_PAGES 0x03 > +#define CMD_INV_ALL 0x08 ... > @@ -463,6 +463,12 @@ static void build_inv_iommu_pages(struct iommu_cmd *cmd, u64 address, > cmd->data[2] |= CMD_INV_IOMMU_PAGES_PDE_MASK; > } > > +static void build_inv_all(struct iommu_cmd *cmd) > +{ > + memset(cmd, 0, sizeof(*cmd)); > + CMD_SET_TYPE(cmd, CMD_INV_DEV_ENTRY); Huh? -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- 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/