From patchwork Fri Sep 22 03:02:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9965603 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 088B66057C for ; Fri, 22 Sep 2017 09:12:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 03C6328501 for ; Fri, 22 Sep 2017 09:12:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ECB072885F; Fri, 22 Sep 2017 09:12:25 +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 8656328757 for ; Fri, 22 Sep 2017 09:12:25 +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 1dvJyu-0004jD-CW; Fri, 22 Sep 2017 09:10:44 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dvJyt-0004hE-4a for xen-devel@lists.xen.org; Fri, 22 Sep 2017 09:10:43 +0000 Received: from [85.158.143.35] by server-4.bemta-6.messagelabs.com id E5/82-03283-293D4C95; Fri, 22 Sep 2017 09:10:42 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrNLMWRWlGSWpSXmKPExsXS1tYhott/+Ui kwf9dVhZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8aJff0sBb8kKv5vWc7cwLhJuIuRi0NIYDqj xO5Fdxm7GDk5JAR4JY4sm8EKYftL9LZfZIco6mCUWLV8IlgRm4C6xInFELaIgLTEtc+XGUGKm AVWMEn0L/sM1M3BISwQI3Hocz1IDYuAqsTEJ4eYQWxeAVeJBS9nskMsUJCY8vA9WJwTKP6rbz sTiC0k4CLRunQ/0wRG3gWMDKsYNYpTi8pSi3QNzfWSijLTM0pyEzNzdA0NzPRyU4uLE9NTcxK TivWS83M3MQIDggEIdjDe3hhwiFGSg0lJlPf9+SORQnxJ+SmVGYnFGfFFpTmpxYcYZTg4lCR4 /S4B5QSLUtNTK9Iyc4ChCZOW4OBREuFVA0nzFhck5hZnpkOkTjHqcnTcvPuHSYglLz8vVUqcV w+kSACkKKM0D24ELE4uMcpKCfMyAh0lxFOQWpSbWYIq/4pRnINRSZj340WgKTyZeSVwm14BHc EEdET5arAjShIRUlINjFIfOP7Ndlk5u98x+vXWhoPrf4RUldp9uPvZkS0n9+h0Jz+lU3m7urm e151wd5sZf/aYyYzblw1y8/fNNz22UmJRffCOIKb38Qknn95mWrQqXE6kaf7HM1qHnSvjlx5R Kf7efMTulOSVKRtD9/z91uficnpa/8WaCytmrbWU6DfdO+35ns0TJtQosRRnJBpqMRcVJwIAL d5fhI4CAAA= X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1506071437!76111225!1 X-Originating-IP: [134.134.136.20] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTM0LjEzNC4xMzYuMjAgPT4gMzU1MzU4\n X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32245 invoked from network); 22 Sep 2017 09:10:39 -0000 Received: from mga02.intel.com (HELO mga02.intel.com) (134.134.136.20) by server-5.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 22 Sep 2017 09:10:39 -0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Sep 2017 02:10:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,427,1500966000"; d="scan'208";a="315007538" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.141]) by fmsmga004.fm.intel.com with ESMTP; 22 Sep 2017 02:10:34 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Thu, 21 Sep 2017 23:02:01 -0400 Message-Id: <1506049330-11196-21-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@intel.com Subject: [Xen-devel] [PATCH V3 20/29] VIOMMU: Add get irq info callback to convert irq remapping request 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 This patch is to add get_irq_info callback for platform implementation to convert irq remapping request to irq info (E,G vector, dest, dest_mode and so on). Signed-off-by: Lan Tianyu --- xen/common/viommu.c | 16 ++++++++++++++++ xen/include/asm-x86/viommu.h | 8 ++++++++ xen/include/xen/viommu.h | 14 ++++++++++++++ 3 files changed, 38 insertions(+) diff --git a/xen/common/viommu.c b/xen/common/viommu.c index b517158..0708e43 100644 --- a/xen/common/viommu.c +++ b/xen/common/viommu.c @@ -178,6 +178,22 @@ int viommu_handle_irq_request(struct domain *d, return viommu->ops->handle_irq_request(d, request); } +int viommu_get_irq_info(struct domain *d, + struct arch_irq_remapping_request *request, + struct arch_irq_remapping_info *irq_info) +{ + struct viommu *viommu = d->viommu; + + if ( !viommu ) + return -EINVAL; + + ASSERT(viommu->ops); + if ( !viommu->ops->get_irq_info ) + return -EINVAL; + + return viommu->ops->get_irq_info(d, request, irq_info); +} + /* * Local variables: * mode: C diff --git a/xen/include/asm-x86/viommu.h b/xen/include/asm-x86/viommu.h index 366fbb6..586b6bd 100644 --- a/xen/include/asm-x86/viommu.h +++ b/xen/include/asm-x86/viommu.h @@ -24,6 +24,14 @@ #define VIOMMU_REQUEST_IRQ_MSI 0 #define VIOMMU_REQUEST_IRQ_APIC 1 +struct arch_irq_remapping_info +{ + uint8_t vector; + uint32_t dest; + uint32_t dest_mode:1; + uint32_t delivery_mode:3; +}; + struct arch_irq_remapping_request { union { diff --git a/xen/include/xen/viommu.h b/xen/include/xen/viommu.h index 230f6b1..beb40cd 100644 --- a/xen/include/xen/viommu.h +++ b/xen/include/xen/viommu.h @@ -21,6 +21,7 @@ #define __XEN_VIOMMU_H__ struct viommu; +struct arch_irq_remapping_info; struct arch_irq_remapping_request; struct viommu_ops { @@ -28,6 +29,9 @@ struct viommu_ops { int (*destroy)(struct viommu *viommu); int (*handle_irq_request)(struct domain *d, struct arch_irq_remapping_request *request); + int (*get_irq_info)(struct domain *d, + struct arch_irq_remapping_request *request, + struct arch_irq_remapping_info *info); }; struct viommu { @@ -50,6 +54,9 @@ int viommu_domctl(struct domain *d, struct xen_domctl_viommu_op *op, bool_t *need_copy); int viommu_handle_irq_request(struct domain *d, struct arch_irq_remapping_request *request); +int viommu_get_irq_info(struct domain *d, + struct arch_irq_remapping_request *request, + struct arch_irq_remapping_info *irq_info); #else static inline int viommu_register_type(uint64_t type, struct viommu_ops *ops) { @@ -61,6 +68,13 @@ viommu_handle_irq_request(struct domain *d, { return -EINVAL; } +static inline int +viommu_get_irq_info(struct domain *d, + struct arch_irq_remapping_request *request, + struct arch_irq_remapping_info *irq_info); +{ + return -EINVAL; +} #endif #endif /* __XEN_VIOMMU_H__ */