Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756856AbYLIO2U (ORCPT ); Tue, 9 Dec 2008 09:28:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753125AbYLIORf (ORCPT ); Tue, 9 Dec 2008 09:17:35 -0500 Received: from outbound-va3.frontbridge.com ([216.32.180.16]:39476 "EHLO VA3EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753479AbYLIOQa (ORCPT ); Tue, 9 Dec 2008 09:16:30 -0500 X-BigFish: VPS3(zzzzzzz32i43j66h) X-Spam-TCS-SCL: 5:0 X-FB-SS: 5, X-WSS-ID: 0KBM4Z9-03-KKV-01 From: Joerg Roedel To: avi@redhat.com, mingo@redhat.com, dwmw2@infradead.org, gregkh@suse.de, weidong.han@intel.com CC: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Joerg Roedel Subject: [PATCH 14/21] AMD IOMMU: add domain init function for IOMMU API Date: Tue, 9 Dec 2008 15:16:11 +0100 Message-ID: <1228832178-13429-15-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1228832178-13429-14-git-send-email-joerg.roedel@amd.com> References: <20081209141143.GW12816@amd.com> <1228832178-13429-1-git-send-email-joerg.roedel@amd.com> <1228832178-13429-2-git-send-email-joerg.roedel@amd.com> <1228832178-13429-3-git-send-email-joerg.roedel@amd.com> <1228832178-13429-4-git-send-email-joerg.roedel@amd.com> <1228832178-13429-5-git-send-email-joerg.roedel@amd.com> <1228832178-13429-6-git-send-email-joerg.roedel@amd.com> <1228832178-13429-7-git-send-email-joerg.roedel@amd.com> <1228832178-13429-8-git-send-email-joerg.roedel@amd.com> <1228832178-13429-9-git-send-email-joerg.roedel@amd.com> <1228832178-13429-10-git-send-email-joerg.roedel@amd.com> <1228832178-13429-11-git-send-email-joerg.roedel@amd.com> <1228832178-13429-12-git-send-email-joerg.roedel@amd.com> <1228832178-13429-13-git-send-email-joerg.roedel@amd.com> <1228832178-13429-14-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 09 Dec 2008 14:16:19.0192 (UTC) FILETIME=[B4898780:01C95A08] 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: 1551 Lines: 59 Impact: add a generic function for allocation protection domains Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 26b929b..cb7db66 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -1524,3 +1525,30 @@ static void cleanup_domain(struct protection_domain *domain) write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); } + +static int amd_iommu_domain_init(struct iommu_domain *dom) +{ + struct protection_domain *domain; + + domain = kzalloc(sizeof(*domain), GFP_KERNEL); + if (!domain) + return -ENOMEM; + + spin_lock_init(&domain->lock); + domain->mode = PAGE_MODE_3_LEVEL; + domain->id = domain_id_alloc(); + if (!domain->id) + goto out_free; + domain->pt_root = (void *)get_zeroed_page(GFP_KERNEL); + if (!domain->pt_root) + goto out_free; + + dom->priv = domain; + + return 0; + +out_free: + kfree(domain); + + return -ENOMEM; +} -- 1.5.6.4 -- 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/