From patchwork Thu Mar 17 09:41:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 63948 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp354775lbc; Thu, 17 Mar 2016 02:44:44 -0700 (PDT) X-Received: by 10.31.47.88 with SMTP id v85mr10495717vkv.118.1458207883014; Thu, 17 Mar 2016 02:44:43 -0700 (PDT) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org. [192.237.175.120]) by mx.google.com with ESMTPS id q207si5823584vkq.126.2016.03.17.02.44.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Mar 2016 02:44:43 -0700 (PDT) Received-SPF: neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) smtp.mailfrom=xen-devel-bounces@lists.xen.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1agUSq-0005oG-As; Thu, 17 Mar 2016 09:43:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1agUSp-0005o6-AK for xen-devel@lists.xen.org; Thu, 17 Mar 2016 09:43:31 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 60/7D-16378-24C7AE65; Thu, 17 Mar 2016 09:43:30 +0000 X-Env-Sender: zhaoshenglong@huawei.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1458207805!29345604!1 X-Originating-IP: [119.145.14.65] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTE5LjE0NS4xNC42NSA9PiA3NzQ2Mw==\n X-StarScan-Received: X-StarScan-Version: 8.11; banners=-,-,- X-VirusChecked: Checked Received: (qmail 44880 invoked from network); 17 Mar 2016 09:43:29 -0000 Received: from szxga02-in.huawei.com (HELO szxga02-in.huawei.com) (119.145.14.65) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 17 Mar 2016 09:43:29 -0000 Received: from 172.24.1.49 (EHLO szxeml432-hub.china.huawei.com) ([172.24.1.49]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DDR51890; Thu, 17 Mar 2016 17:43:03 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml432-hub.china.huawei.com (10.82.67.209) with Microsoft SMTP Server id 14.3.235.1; Thu, 17 Mar 2016 17:41:48 +0800 From: Shannon Zhao To: Date: Thu, 17 Mar 2016 17:41:05 +0800 Message-ID: <1458207668-12012-20-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1458207668-12012-1-git-send-email-zhaoshenglong@huawei.com> References: <1458207668-12012-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.56EA7C28.0027, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: fe1c379d9957360b21e71a331fc66757 Cc: Keir Fraser , Tim Deegan , Ian Jackson , peter.huangpeng@huawei.com, julien.grall@arm.com, stefano.stabellini@citrix.com, shannon.zhao@linaro.org, Jan Beulich , zhaoshenglong@huawei.com Subject: [Xen-devel] [PATCH v6 19/22] hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ 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: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" From: Shannon Zhao This new delivery type which is for ARM shares the same value with HVM_PARAM_CALLBACK_TYPE_VECTOR which is for x86. val[15:8] is flag: val[7:0] is a PPI. To the flag, bit 8 stands the interrupt mode is edge(1) or level(0) and bit 9 stands the interrupt polarity is active low(1) or high(0). Cc: Ian Jackson Cc: Jan Beulich Cc: Keir Fraser Cc: Tim Deegan Signed-off-by: Shannon Zhao --- v6: share the value with HVM_PARAM_CALLBACK_TYPE_VECTOR --- xen/include/public/hvm/params.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/xen/include/public/hvm/params.h b/xen/include/public/hvm/params.h index 73d4718..50f5a2f 100644 --- a/xen/include/public/hvm/params.h +++ b/xen/include/public/hvm/params.h @@ -49,11 +49,24 @@ * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0] */ +#ifndef CONFIG_ARM #define HVM_PARAM_CALLBACK_TYPE_VECTOR 2 /* * val[7:0] is a vector number. Check for XENFEAT_hvm_callback_vector to know * if this delivery method is available. */ +#else +#define HVM_PARAM_CALLBACK_TYPE_PPI 2 +/* + * val[55:16] needs to be zero. + * val[15:8] is interrupt flag of the PPI used by event-channel: + * bit 8: the PPI is edge(1) or level(0) triggered + * bit 9: the PPI is active low(1) or high(0) + * val[7:0] is a PPI number used by event-channel. + * This is only used by ARM/ARM64 and masking/eoi the interrupt associated to + * the notification is handled by the interrupt controller. + */ +#endif /* * These are not used by Xen. They are here for convenience of HVM-guest