From patchwork Fri Sep 22 03:02:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9965585 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 18C646057C for ; Fri, 22 Sep 2017 09:12:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 136A028501 for ; Fri, 22 Sep 2017 09:12:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 086F928B82; Fri, 22 Sep 2017 09:12:15 +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=-2.7 required=2.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B220728517 for ; Fri, 22 Sep 2017 09:12:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dvJyn-0004Za-4u; Fri, 22 Sep 2017 09:10:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dvJyl-0004X0-Vv for xen-devel@lists.xen.org; Fri, 22 Sep 2017 09:10:36 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 27/22-02092-B83D4C95; Fri, 22 Sep 2017 09:10:35 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrJLMWRWlGSWpSXmKPExsXS1tYhodt1+Ui kwdt1JhZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8bKvU+YC1r5Kj6u+MrWwHiDu4uRi0NIYBqj xPWjt5i6GDk5JAR4JY4sm8HaxcgBZPtL3OyqAQkLCXQwSmx5zQZiswmoS5xYPJERxBYRkJa49 vkyI8gcZoHNTBKr5p1lAekVFvCUOHfbAqSGRUBV4sytd+wgNq+Aq8Sj2TNYIFYpSEx5+J4ZxO YEiv/q284EsctFonXpfqYJjLwLGBlWMWoUpxaVpRbpGhrqJRVlpmeU5CZm5ugaGpjq5aYWFye mp+YkJhXrJefnbmIEBgMDEOxgXNnufIhRkoNJSZT3/fkjkUJ8SfkplRmJxRnxRaU5qcWHGGU4 OJQkeE9cAsoJFqWmp1akZeYAwxImLcHBoyTCmwiS5i0uSMwtzkyHSJ1i1OXouHn3D5MQS15+X qqUOO9ikCIBkKKM0jy4EbAYucQoKyXMywh0lBBPQWpRbmYJqvwrRnEORiVhXgOQKTyZeSVwm1 4BHcEEdET5arAjShIRUlINjGbGl2tK1bpme85/tVagNUZx0U2m2yHhSk6H0+x5vTbv8pmVzjp tYWY7+2zx2upzIZ98bDQFpWOCJvnmnSy5t/zPKY0VMhvepIer32a07orXflxrG1z4atkr1Xmf cr3kEtaauS2OXeUnEzTlapz1HPG3m8pK/3JHWPhna3gFrtijfaCnkVlEiaU4I9FQi7moOBEAx 4OnYowCAAA= X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1506071431!76473934!2 X-Originating-IP: [134.134.136.24] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTM0LjEzNC4xMzYuMjQgPT4gMzkwOTcx\n X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 39568 invoked from network); 22 Sep 2017 09:10:34 -0000 Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 22 Sep 2017 09:10:34 -0000 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Sep 2017 02:10:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,427,1500966000"; d="scan'208";a="138241364" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.141]) by orsmga002.jf.intel.com with ESMTP; 22 Sep 2017 02:10:33 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Thu, 21 Sep 2017 23:02:00 -0400 Message-Id: <1506049330-11196-20-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1506049330-11196-1-git-send-email-tianyu.lan@intel.com> References: <1506049330-11196-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , kevin.tian@intel.com, sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, tim@xen.org, jbeulich@suse.com, roger.pau@citrix.com, Chao Gao Subject: [Xen-devel] [PATCH V3 19/29] x86/vioapic: Hook interrupt delivery of vIOAPIC X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Chao Gao When irq remapping is enabled, IOAPIC Redirection Entry may be in remapping format. If that, generate an irq_remapping_request and call the common VIOMMU abstraction's callback to handle this interrupt request. Device model is responsible for checking the request's validity. Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu --- v3: - use the new interface to check remapping format. --- xen/arch/x86/hvm/vioapic.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/xen/arch/x86/hvm/vioapic.c b/xen/arch/x86/hvm/vioapic.c index 72cae93..5d0d1cd 100644 --- a/xen/arch/x86/hvm/vioapic.c +++ b/xen/arch/x86/hvm/vioapic.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -38,6 +39,7 @@ #include #include #include +#include /* HACK: Route IRQ0 only to VCPU0 to prevent time jumps. */ #define IRQ0_SPECIAL_ROUTING 1 @@ -387,9 +389,17 @@ static void vioapic_deliver(struct hvm_vioapic *vioapic, unsigned int pin) struct vlapic *target; struct vcpu *v; unsigned int irq = vioapic->base_gsi + pin; + struct arch_irq_remapping_request request; ASSERT(spin_is_locked(&d->arch.hvm_domain.irq_lock)); + irq_request_ioapic_fill(&request, vioapic->id, vioapic->redirtbl[pin].bits); + if ( viommu_check_irq_remapping(d, &request) ) + { + viommu_handle_irq_request(d, &request); + return; + } + HVM_DBG_LOG(DBG_LEVEL_IOAPIC, "dest=%x dest_mode=%x delivery_mode=%x " "vector=%x trig_mode=%x",