Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935508AbcCQKAF (ORCPT ); Thu, 17 Mar 2016 06:00:05 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:47902 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935525AbcCQJ6Q (ORCPT ); Thu, 17 Mar 2016 05:58:16 -0400 From: Shannon Zhao To: , , , CC: , , , , , , , , , , Subject: [PATCH v6 09/17] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Date: Thu, 17 Mar 2016 17:57:08 +0800 Message-ID: <1458208636-12960-10-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1458208636-12960-1-git-send-email-zhaoshenglong@huawei.com> References: <1458208636-12960-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.56EA7FB5.011C,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: 2014080b4c70eeba7ff0e94ea898a7b3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1620 Lines: 47 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). Signed-off-by: Shannon Zhao Acked-by: Stefano Stabellini --- include/xen/interface/hvm/params.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h index 70ad208..d39db45 100644 --- a/include/xen/interface/hvm/params.h +++ b/include/xen/interface/hvm/params.h @@ -47,11 +47,24 @@ * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0] */ +#if !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) #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 #define HVM_PARAM_STORE_PFN 1 #define HVM_PARAM_STORE_EVTCHN 2 -- 2.0.4