Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938417AbcLMUrG (ORCPT ); Tue, 13 Dec 2016 15:47:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55616 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938503AbcLMUcQ (ORCPT ); Tue, 13 Dec 2016 15:32:16 -0500 From: Eric Auger To: eric.auger@redhat.com, eric.auger.pro@gmail.com, christoffer.dall@linaro.org, marc.zyngier@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: kvm@vger.kernel.org, drjones@redhat.com, linux-kernel@vger.kernel.org, pranav.sawargaonkar@gmail.com, iommu@lists.linux-foundation.org, punit.agrawal@arm.com, diana.craciun@nxp.com, gpkulkarni@gmail.com, shankerd@codeaurora.org, bharat.bhushan@nxp.com Subject: [RFC v4 11/16] irqdomain: Add IRQ_DOMAIN_FLAG_MSI_REMAP value Date: Tue, 13 Dec 2016 20:30:29 +0000 Message-Id: <1481661034-3088-12-git-send-email-eric.auger@redhat.com> In-Reply-To: <1481661034-3088-1-git-send-email-eric.auger@redhat.com> References: <1481661034-3088-1-git-send-email-eric.auger@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 13 Dec 2016 20:31:53 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 795 Lines: 25 This new enum value aims at indicating whether the irq domain implements MSI remapping. This property is useful to assess the IRQ assignment safety at VFIO level. Signed-off-by: Eric Auger --- include/linux/irqdomain.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index ffb8460..ab017b2 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -183,6 +183,9 @@ enum { /* Irq domain is an IPI domain with single virq */ IRQ_DOMAIN_FLAG_IPI_SINGLE = (1 << 3), + /* Irq domain is MSI remapping capable */ + IRQ_DOMAIN_FLAG_MSI_REMAP = (1 << 4), + /* * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved * for implementation specific purposes and ignored by the -- 1.9.1