From patchwork Fri Mar 17 11:27:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9630415 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 1A48D60249 for ; Fri, 17 Mar 2017 11:37:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 03DBE284E9 for ; Fri, 17 Mar 2017 11:37:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ECE382862B; Fri, 17 Mar 2017 11:37:21 +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 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 64D6F284E9 for ; Fri, 17 Mar 2017 11:37:21 +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 1coqA8-0003fI-IA; Fri, 17 Mar 2017 11:35:16 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1coqA6-0003ea-UW for xen-devel@lists.xen.org; Fri, 17 Mar 2017 11:35:15 +0000 Received: from [85.158.139.211] by server-16.bemta-5.messagelabs.com id 60/D4-15270-1F9CBC85; Fri, 17 Mar 2017 11:35:13 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRWlGSWpSXmKPExsXS1tYhr/vh5Ok Ig8+XzS2WfFzM4sDocXT3b6YAxijWzLyk/IoE1oxZ+86wF8wRrZj1eydzA+M8wS5GTg4hgQqJ ny+us4LYEgK8EkeWzYCy/STu3z4OZHMB1fQzSvS+7mUCSbAJqEucWDyREcQWEZCWuPb5MiNIE bPARkaJHSsWgnULC8RIzJ+7lrmLkYODRUBV4uAKB5Awr4CLxO51F5hAwhICChJzJtmAhDkFXC Xutj1gh7jHReJe1xWWCYy8CxgZVjFqFKcWlaUW6Rqa6CUVZaZnlOQmZuboGhqY6uWmFhcnpqf mJCYV6yXn525iBAYDAxDsYDx72vMQoyQHk5Io74sVpyOE+JLyUyozEosz4otKc1KLDzHKcHAo SfDeOQGUEyxKTU+tSMvMAYYlTFqCg0dJhFcAGJpCvMUFibnFmekQqVOMilLivP0gfQIgiYzSP Lg2WCxcYpSVEuZlBDpEiKcgtSg3swRV/hWjOAejkjCvJMh4nsy8Erjpr4AWMwEtfvvhBMjikk SElFQD4wzObDPPF00P6wp75+R+Nrbg+NnzxHbrqS3B32M2CfjeWGx/3tat/vxk3xXHE1TenFi 88FbYXNO0Y04GDFelPsz8Efx1o/LGk8cST65ZdZFj1gZeBvHwU95Hr36XKhNSZ2PY8zJtY2TJ 7drPkkdib5+cvv3ix48Ku/PntvL+VXNzl9njHrL/lrwSS3FGoqEWc1FxIgCcnDT4gAIAAA== X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1489750510!69368109!1 X-Originating-IP: [134.134.136.31] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.2.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 52723 invoked from network); 17 Mar 2017 11:35:12 -0000 Received: from mga06.intel.com (HELO mga06.intel.com) (134.134.136.31) by server-2.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 17 Mar 2017 11:35:12 -0000 Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP; 17 Mar 2017 04:35:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,176,1486454400"; d="scan'208";a="68334673" Received: from lantianyu-ws.sh.intel.com (HELO localhost) ([10.239.159.159]) by orsmga004.jf.intel.com with ESMTP; 17 Mar 2017 04:35:08 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Fri, 17 Mar 2017 19:27:04 +0800 Message-Id: <1489750043-17260-5-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1489750043-17260-1-git-send-email-tianyu.lan@intel.com> References: <1489750043-17260-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , kevin.tian@intel.com, sstabellini@kernel.org, andrew.cooper3@citrix.com, julien.grall@arm.com, jbeulich@suse.com, chao.gao@intel.com Subject: [Xen-devel] [RFC PATCH 4/23] 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 | 11 +++++++++++ xen/include/asm-arm/viommu.h | 4 ++++ xen/include/asm-x86/viommu.h | 8 ++++++++ xen/include/xen/viommu.h | 4 ++++ 4 files changed, 27 insertions(+) diff --git a/xen/common/viommu.c b/xen/common/viommu.c index 62c66db..dbec692 100644 --- a/xen/common/viommu.c +++ b/xen/common/viommu.c @@ -98,6 +98,17 @@ int viommu_handle_irq_request(struct domain *d, return info->ops->handle_irq_request(d, request); } +int viommu_get_irq_info(struct domain *d, struct irq_remapping_request *request, + struct irq_remapping_info *irq_info) +{ + struct viommu_info *info = &d->viommu; + + if ( !info || !info->ops || !info->ops->get_irq_info) + return -EINVAL; + + return info->ops->get_irq_info(d, request, irq_info); +} + /* * Local variables: * mode: C diff --git a/xen/include/asm-arm/viommu.h b/xen/include/asm-arm/viommu.h index 6a81ecb..6ce4e0a 100644 --- a/xen/include/asm-arm/viommu.h +++ b/xen/include/asm-arm/viommu.h @@ -22,6 +22,10 @@ #include +struct irq_remapping_info +{ +}; + struct irq_remapping_request { }; diff --git a/xen/include/asm-x86/viommu.h b/xen/include/asm-x86/viommu.h index b6e01a5..43e446e 100644 --- a/xen/include/asm-x86/viommu.h +++ b/xen/include/asm-x86/viommu.h @@ -23,6 +23,14 @@ #include #include +struct irq_remapping_info +{ + u8 vector; + u32 dest; + u32 dest_mode:1; + u32 delivery_mode:3; +}; + struct irq_remapping_request { u8 type; diff --git a/xen/include/xen/viommu.h b/xen/include/xen/viommu.h index 246b29d..d733012 100644 --- a/xen/include/xen/viommu.h +++ b/xen/include/xen/viommu.h @@ -42,6 +42,8 @@ struct viommu_ops { int (*destroy)(struct viommu *viommu); int (*handle_irq_request)(struct domain *d, struct irq_remapping_request *request); + int (*get_irq_info)(struct domain *d, struct irq_remapping_request *request, + struct irq_remapping_info *info); }; struct viommu_info { @@ -56,6 +58,8 @@ int viommu_destroy(struct domain *d, u32 viommu_id); u64 viommu_query_caps(struct domain *d); int viommu_handle_irq_request(struct domain *d, struct irq_remapping_request *request); +int viommu_get_irq_info(struct domain *d, struct irq_remapping_request *request, + struct irq_remapping_info *irq_info); #endif /* __XEN_VIOMMU_H__ */