From patchwork Mon Jan 9 13:46:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 9504861 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 150D360757 for ; Mon, 9 Jan 2017 14:06:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 066BF1FE6A for ; Mon, 9 Jan 2017 14:06:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EDB12284E4; Mon, 9 Jan 2017 14:06:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 727151FE6A for ; Mon, 9 Jan 2017 14:06:41 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cQaas-0005bS-3d; Mon, 09 Jan 2017 14:06:38 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cQaZl-0003S0-TF for linux-arm-kernel@bombadil.infradead.org; Mon, 09 Jan 2017 14:05:31 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by casper.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cQaIj-0002j4-LR for linux-arm-kernel@lists.infradead.org; Mon, 09 Jan 2017 13:47:55 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 268F5C04B31F; Mon, 9 Jan 2017 13:47:37 +0000 (UTC) Received: from localhost.redhat.com (vpn1-6-91.ams2.redhat.com [10.36.6.91]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v09DkC5u032390; Mon, 9 Jan 2017 08:47:32 -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 Subject: [PATCH v7 16/19] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP Date: Mon, 9 Jan 2017 13:46:07 +0000 Message-Id: <1483969570-3154-17-git-send-email-eric.auger@redhat.com> In-Reply-To: <1483969570-3154-1-git-send-email-eric.auger@redhat.com> References: <1483969570-3154-1-git-send-email-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 09 Jan 2017 13:47:37 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170109_134753_830236_B51917EC X-CRM114-Status: GOOD ( 10.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, kvm@vger.kernel.org, punit.agrawal@arm.com, linux-kernel@vger.kernel.org, geethasowjanya.akula@gmail.com, diana.craciun@nxp.com, iommu@lists.linux-foundation.org, pranav.sawargaonkar@gmail.com, bharat.bhushan@nxp.com, shankerd@codeaurora.org, gpkulkarni@gmail.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The GICv3 ITS is MSI remapping capable. Let's advertise this property so that VFIO passthrough can assess IRQ safety. Signed-off-by: Eric Auger Reviewed-by: Marc Zyngier --- drivers/irqchip/irq-gic-v3-its.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 69b040f..9d4fefc 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1642,6 +1642,7 @@ static int its_init_domain(struct fwnode_handle *handle, struct its_node *its) inner_domain->parent = its_parent; inner_domain->bus_token = DOMAIN_BUS_NEXUS; + inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_REMAP; info->ops = &its_msi_domain_ops; info->data = its; inner_domain->host_data = info;