From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754673AbbE1Qp2 (ORCPT ); Thu, 28 May 2015 12:45:28 -0400 Received: from 8bytes.org ([81.169.241.247]:57563 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754231AbbE1QmS (ORCPT ); Thu, 28 May 2015 12:42:18 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: Will Deacon , Kukjin Kim , David Woodhouse , Heiko Stuebner , Hiroshi Doyu , Thierry Reding , Alex Williamson , Robin Murphy , Laurent Pinchart , Oded Gabbay , joro@8bytes.org, jroedel@suse.de, linux-kernel@vger.kernel.org Subject: [PATCH 18/22] iommu/amd: Support IOMMU_DOMAIN_IDENTITY type allocation Date: Thu, 28 May 2015 18:41:41 +0200 Message-Id: <1432831305-11126-19-git-send-email-joro@8bytes.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1432831305-11126-1-git-send-email-joro@8bytes.org> References: <1432831305-11126-1-git-send-email-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel Add support to allocate direct mapped domains through the IOMMU-API. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 06d19e8..33bbb4d 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2996,6 +2996,13 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) } pdomain = &dma_domain->domain; break; + case IOMMU_DOMAIN_IDENTITY: + pdomain = protection_domain_alloc(); + if (!pdomain) + return NULL; + + pdomain->mode = PAGE_MODE_NONE; + break; default: return NULL; } -- 1.9.1