Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754061AbbFKLBx (ORCPT ); Thu, 11 Jun 2015 07:01:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:24448 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751797AbbFKLB1 (ORCPT ); Thu, 11 Jun 2015 07:01:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,594,1427785200"; d="scan'208";a="741394089" From: Feng Wu To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: pbonzini@redhat.com, mtosatti@redhat.com, alex.williamson@redhat.com, eric.auger@linaro.org, feng.wu@intel.com Subject: [v4 01/16] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Date: Thu, 11 Jun 2015 18:51:37 +0800 Message-Id: <1434019912-15423-2-git-send-email-feng.wu@intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1434019912-15423-1-git-send-email-feng.wu@intel.com> References: <1434019912-15423-1-git-send-email-feng.wu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1300 Lines: 46 Extend struct pi_desc for VT-d Posted-Interrupts. Signed-off-by: Feng Wu --- arch/x86/kvm/vmx.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f7b6168..bd26501 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -446,8 +446,24 @@ struct nested_vmx { /* Posted-Interrupt Descriptor */ struct pi_desc { u32 pir[8]; /* Posted interrupt requested */ - u32 control; /* bit 0 of control is outstanding notification bit */ - u32 rsvd[7]; + union { + struct { + /* bit 256 - Outstanding Notification */ + u64 on : 1, + /* bit 257 - Suppress Notification */ + sn : 1, + /* bit 271:258 - Reserved */ + rsvd_1 : 14, + /* bit 279:272 - Notification Vector */ + nv : 8, + /* bit 287:280 - Reserved */ + rsvd_2 : 8, + /* bit 319:288 - Notification Destination */ + ndst : 32; + }; + u64 control; + }; + u32 rsvd[6]; } __aligned(64); static bool pi_test_and_set_on(struct pi_desc *pi_desc) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/