From patchwork Wed Aug 9 20:34:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9892669 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 4036C60350 for ; Thu, 10 Aug 2017 02:44:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED65D28174 for ; Thu, 10 Aug 2017 02:44:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E24AA28437; Thu, 10 Aug 2017 02:44:14 +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 8CAD828174 for ; Thu, 10 Aug 2017 02:44:14 +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 1dfdPT-00010v-1l; Thu, 10 Aug 2017 02:41:19 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dfdPR-00010U-MX for xen-devel@lists.xen.org; Thu, 10 Aug 2017 02:41:17 +0000 Received: from [85.158.143.35] by server-3.bemta-6.messagelabs.com id 23/98-03044-CC7CB895; Thu, 10 Aug 2017 02:41:16 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrJLMWRWlGSWpSXmKPExsXS1tYhr3vmeHe kwY1NvBZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8bFD6fYC15LVrx81c3YwPhPuIuRk0NIoFLi ZvsbdhBbQoBX4siyGaxdjBxAtr/Ezo1uXYxcQCUdjBKT52xgA6lhE1CXOLF4IiOILSIgLXHt8 2VGkCJmgVOMEj/ubwErEhaIlnjzZzJYEYuAqsTxN7PBFvAKuEgcW3edGWKZgsSUh+/BbE4BV4 mpW7YyQRzkIrFu+TTGCYy8CxgZVjGqF6cWlaUW6RrrJRVlpmeU5CZm5ugaGpjp5aYWFyemp+Y kJhXrJefnbmIEBgMDEOxg7PjndIhRkoNJSZS3o6E7UogvKT+lMiOxOCO+qDQntfgQowwHh5IE b/cxoJxgUWp6akVaZg4wLGHSEhw8SiK8RiBp3uKCxNzizHSI1ClGXY5XE/5/YxJiycvPS5US5 10CUiQAUpRRmgc3AhYjlxhlpYR5GYGOEuIpSC3KzSxBlX/FKM7BqCTM+wlkCk9mXgncpldARz ABHRHh2wlyREkiQkqqgTG3+VhFgOncI88/+bVcaGXfmLmR9c5+v6UPCh+5yzDzTLnuJlCSpbh l7audN7vso0N+fazyldv34PpPRqbTrOnLWVIeWP584MX0xMzmrdamiHy1SwqhZtaRzhHen5a1 fFs+hWM7V8O66dv3bau/NU/JTDMmvJBNSFtOa/u+dikpw6Oec85sXq7EUpyRaKjFXFScCACwb PvfjAIAAA== X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-8.tower-21.messagelabs.com!1502332873!77126429!1 X-Originating-IP: [134.134.136.31] X-SpamReason: No, hits=0.8 required=7.0 tests=DATE_IN_PAST_06_12 X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 62335 invoked from network); 10 Aug 2017 02:41:15 -0000 Received: from mga06.intel.com (HELO mga06.intel.com) (134.134.136.31) by server-8.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 10 Aug 2017 02:41:15 -0000 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP; 09 Aug 2017 19:41:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,349,1498546800"; d="scan'208";a="138480932" Received: from sky-ws.sh.intel.com (HELO localhost) ([10.239.48.141]) by fmsmga006.fm.intel.com with ESMTP; 09 Aug 2017 19:41:09 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Wed, 9 Aug 2017 16:34:04 -0400 Message-Id: <1502310866-10450-4-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1502310866-10450-1-git-send-email-tianyu.lan@intel.com> References: <1502310866-10450-1-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, julien.grall@arm.com, jbeulich@suse.com, chao.gao@intel.com Subject: [Xen-devel] [PATCH V2 3/25] 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 f4d34e6..03c879d 100644 --- a/xen/common/viommu.c +++ b/xen/common/viommu.c @@ -213,6 +213,22 @@ 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 ( 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 0be1b3a..0badeae 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 { @@ -58,6 +60,9 @@ 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_register_type(u64 type, struct viommu_ops * ops) @@ -71,6 +76,10 @@ 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__ */