Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755515AbYLIOWh (ORCPT ); Tue, 9 Dec 2008 09:22:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753257AbYLIOQv (ORCPT ); Tue, 9 Dec 2008 09:16:51 -0500 Received: from outbound-wa4.frontbridge.com ([216.32.181.16]:52848 "EHLO WA4EHSOBE003.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753125AbYLIOQb (ORCPT ); Tue, 9 Dec 2008 09:16:31 -0500 X-BigFish: VPS3(zzzzzzz32i43j67h) X-Spam-TCS-SCL: 6:0 X-WSS-ID: 0KBM4Z8-03-KKQ-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 13/21] AMD IOMMU: add domain cleanup helper function Date: Tue, 9 Dec 2008 15:16:10 +0100 Message-ID: <1228832178-13429-14-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1228832178-13429-13-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> X-OriginalArrivalTime: 09 Dec 2008 14:16:19.0146 (UTC) FILETIME=[B48282A0:01C95A08] 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: 1200 Lines: 38 Impact: add a function to remove all devices from a domain Signed-off-by: Joerg Roedel --- arch/x86/kernel/amd_iommu.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 47158e3..26b929b 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1510,3 +1510,17 @@ static void detach_device(struct protection_domain *domain, u16 devid) __detach_device(domain, devid); write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); } + +static void cleanup_domain(struct protection_domain *domain) +{ + unsigned long flags; + u16 devid; + + write_lock_irqsave(&amd_iommu_devtable_lock, flags); + + for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) + if (amd_iommu_pd_table[devid] == domain) + __detach_device(domain, devid); + + write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); +} -- 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/