From patchwork Thu May 18 05:34:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9733849 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 2A3F3601BC for ; Thu, 18 May 2017 11:42:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1959A20952 for ; Thu, 18 May 2017 11:42:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0DE4D25404; Thu, 18 May 2017 11:42:28 +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 A00BA20952 for ; Thu, 18 May 2017 11:42:27 +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 1dBJn1-0004Cs-05; Thu, 18 May 2017 11:40:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBJn0-0004Bi-3T for xen-devel@lists.xen.org; Thu, 18 May 2017 11:40:18 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id A6/7A-23755-1288D195; Thu, 18 May 2017 11:40:17 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRWlGSWpSXmKPExsXS1tYhoqvQIRt p8G6LrsWSj4tZHBg9ju7+zRTAGMWamZeUX5HAmnFt+kXmgu+SFc0f7rA3MLaLdDFycQgJTGOU 2HhwJnMXIyeHhACvxJFlM1ghbD+JQ18OMILYQgIdjBJXuzRAbDYBdYkTiyeCxUUEpCWufb7MC DKIWWAzo8SsbyvYQRLCAvESd442sIHYLAKqEkceH2ABsXkFXCSOf3zMArFAQWLKw/dgizkFXC W2bb3FArHMRaJxYS/rBEbeBYwMqxjVi1OLylKLdM31kooy0zNKchMzc3QNDYz1clOLixPTU3M Sk4r1kvNzNzECw4EBCHYwNn53OsQoycGkJMp7uEA2UogvKT+lMiOxOCO+qDQntfgQowwHh5IE L187UE6wKDU9tSItMwcYmDBpCQ4eJRFeHZA0b3FBYm5xZjpE6hSjopQ478Y2oIQASCKjNA+uD RYNlxhlpYR5GYEOEeIpSC3KzSxBlX/FKM7BqCTMawcyniczrwRu+iugxUxAi5sfSIMsLklESE k1MC7oVtdTTXv09t2NZYsfP/s5jzH7utam2dVlm5/cf1vGr+69OE02S/XAialqbEd/dR6s57P U8mvY3VcZlDpPyEvPaJPXxOI5YiXCSsVurrNqVd82Hbtu/vl00WKDVQx/IuvSDy7vkShXujf/ 4qvqGdyLd9ab79s07eWka2EMlR0z2XROa+lffabEUpyRaKjFXFScCABtZdK2gQIAAA== X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1495107614!43048318!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: 9.4.12; banners=-,-,- X-VirusChecked: Checked Received: (qmail 62317 invoked from network); 18 May 2017 11:40:16 -0000 Received: from mga02.intel.com (HELO mga02.intel.com) (134.134.136.20) by server-4.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 18 May 2017 11:40:16 -0000 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 May 2017 04:40:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,358,1491289200"; d="scan'208";a="88640323" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.124]) by orsmga002.jf.intel.com with ESMTP; 18 May 2017 04:40:11 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Thu, 18 May 2017 01:34:34 -0400 Message-Id: <1495085696-10819-5-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1495085696-10819-1-git-send-email-tianyu.lan@intel.com> References: <1495085696-10819-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , kevin.tian@intel.com, wei.liu2@citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, jbeulich@suse.com, chao.gao@intel.com Subject: [Xen-devel] [RFC PATCH V2 4/26] 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 | 9 +++++++++ 3 files changed, 33 insertions(+) diff --git a/xen/common/viommu.c b/xen/common/viommu.c index 4e3ecd7..c6c9589 100644 --- a/xen/common/viommu.c +++ b/xen/common/viommu.c @@ -209,6 +209,22 @@ int viommu_handle_irq_request(struct domain *d, u32 viommu_id, return info->viommu[viommu_id]->ops->handle_irq_request(d, request); } +int viommu_get_irq_info(struct domain *d, u32 viommu_id, + struct irq_remapping_request *request, + struct irq_remapping_info *irq_info) +{ + struct viommu_info *info = &d->viommu; + + if ( !info || viommu_id > info->nr_viommu + || !info->viommu[viommu_id] ) + return -EINVAL; + + if ( !info->viommu[viommu_id]->ops->get_irq_info ) + return -EINVAL; + + return info->viommu[viommu_id]->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 51bda72..1e8d4be 100644 --- a/xen/include/asm-x86/viommu.h +++ b/xen/include/asm-x86/viommu.h @@ -27,6 +27,14 @@ #define VIOMMU_REQUEST_IRQ_MSI 0 #define VIOMMU_REQUEST_IRQ_APIC 1 +struct irq_remapping_info +{ + u8 vector; + u32 dest; + u32 dest_mode:1; + u32 delivery_mode:3; +}; + struct irq_remapping_request { union { diff --git a/xen/include/xen/viommu.h b/xen/include/xen/viommu.h index 5b99211..e40fca4 100644 --- a/xen/include/xen/viommu.h +++ b/xen/include/xen/viommu.h @@ -32,6 +32,8 @@ 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 { @@ -61,6 +63,9 @@ int viommu_domctl(struct domain *d, struct xen_domctl_viommu_op *op, int viommu_setup(void); int viommu_handle_irq_request(struct domain *d, u32 viommu_id, struct irq_remapping_request *request); +int viommu_get_irq_info(struct domain *d, u32 viommu_id, + struct irq_remapping_request *request, + struct irq_remapping_info *irq_info); #else static inline int viommu_init_domain(struct domain *d) { return 0 }; static inline int viommu_create(struct domain *d, u64 type, u64 base_address, @@ -79,6 +84,10 @@ static inline int viommu_domctl(struct domain *d, static inline int viommu_handle_irq_request(struct domain *d, u32 viommu_id, struct irq_remapping_request *request) { return 0 }; +static inline int viommu_get_irq_info(struct domain *d, u32 viommu_id, + struct irq_remapping_request *request, + struct irq_remapping_info *irq_info) +{ return 0 }; #endif #endif /* __XEN_VIOMMU_H__ */