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banners=-,-,- X-VirusChecked: Checked Received: (qmail 30408 invoked from network); 17 Mar 2017 11:35:34 -0000 Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by server-7.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 17 Mar 2017 11:35:34 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=intel; t=1489750534; x=1521286534; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=fOpsRsY/4TYko691GSzclxQG2oQ/0H9z0soR99+/kbQ=; b=dRsC7BiiDk0Ty4JkUq9PHzVBY4qKauPLMHHQ3b4aFz0TboDSrvStjnsP 1ASDT5XBCrcBeJ3UkumjrSHOHQsiMQ==; Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Mar 2017 04:35:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.36,176,1486454400"; d="scan'208"; a="1109518378" Received: from lantianyu-ws.sh.intel.com (HELO localhost) ([10.239.159.159]) by orsmga001.jf.intel.com with ESMTP; 17 Mar 2017 04:35:30 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Fri, 17 Mar 2017 19:27:14 +0800 Message-Id: <1489750043-17260-15-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 , andrew.cooper3@citrix.com, kevin.tian@intel.com, jbeulich@suse.com, chao.gao@intel.com Subject: [Xen-devel] [RFC PATCH 14/23] X86/vvtd: decode interrupt attribute from IRTE 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 Signed-off-by: Chao Gao Signed-off-by: Lan Tianyu --- xen/arch/x86/hvm/vvtd.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/vvtd.c b/xen/arch/x86/hvm/vvtd.c index c5df77d..0c49294 100644 --- a/xen/arch/x86/hvm/vvtd.c +++ b/xen/arch/x86/hvm/vvtd.c @@ -568,6 +568,25 @@ static int vvtd_handle_irq_request(struct domain *d, return -EFAULT; } +static int vvtd_get_irq_info(struct domain *d, + struct irq_remapping_request *irq, + struct irq_remapping_info *info) +{ + int ret; + struct iremap_entry irte; + struct vvtd *vvtd = domain_vvtd(d); + + ret = vvtd_get_entry(vvtd, irq, &irte, 0); + if ( ret ) + return -ret; + + info->vector = irte.remap.vector; + info->dest = irte_dest(vvtd, &irte); + info->dest_mode = irte.remap.dm; + info->delivery_mode = irte.remap.dlm; + return 0; +} + static void vvtd_reset(struct vvtd *vvtd, uint64_t capability) { uint64_t cap, ecap; @@ -667,5 +686,6 @@ struct viommu_ops vvtd_hvm_vmx_ops = { .query_caps = vvtd_query_caps, .create = vvtd_create, .destroy = vvtd_destroy, - .handle_irq_request = vvtd_handle_irq_request + .handle_irq_request = vvtd_handle_irq_request, + .get_irq_info = vvtd_get_irq_info };