From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753695AbcGSMzz (ORCPT ); Tue, 19 Jul 2016 08:55:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48783 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753626AbcGSMzn (ORCPT ); Tue, 19 Jul 2016 08:55:43 -0400 From: Eric Auger To: eric.auger@redhat.com, eric.auger.pro@gmail.com, marc.zyngier@arm.com, christoffer.dall@linaro.org, andre.przywara@arm.com, robin.murphy@arm.com, alex.williamson@redhat.com, will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de, jason@lakedaemon.net, linux-arm-kernel@lists.infradead.org Cc: drjones@redhat.com, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, pbonzini@redhat.com, linux-kernel@vger.kernel.org, Bharat.Bhushan@freescale.com, pranav.sawargaonkar@gmail.com, p.fedin@samsung.com, iommu@lists.linux-foundation.org, Jean-Philippe.Brucker@arm.com, yehuday@marvell.com, Manish.Jaggi@caviumnetworks.com, robert.richter@caviumnetworks.com Subject: [PATCH v11 3/8] iommu: introduce an msi cookie Date: Tue, 19 Jul 2016 12:55:06 +0000 Message-Id: <1468932911-23062-4-git-send-email-eric.auger@redhat.com> In-Reply-To: <1468932911-23062-1-git-send-email-eric.auger@redhat.com> References: <1468932911-23062-1-git-send-email-eric.auger@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Tue, 19 Jul 2016 12:55:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This opaque pointer will enable to store information about msi iommu mappings. Signed-off-by: Eric Auger --- v7 -> v8: remove spinlock and RB tree v5 -> v6: - initialize reserved_binding_list - use a spinlock instead of a mutex --- include/linux/iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 1b553ee..f7a5d13 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -91,6 +91,7 @@ struct iommu_domain { struct iommu_domain_geometry geometry; struct iommu_domain_msi_geometry msi_geometry; void *iova_cookie; + void *msi_cookie; }; enum iommu_cap { -- 1.9.1