From nobody Wed Nov 5 15:09:06 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1535678019699179.2229964840584; Thu, 30 Aug 2018 18:13:39 -0700 (PDT) Received: from localhost ([::1]:51439 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fvY0E-0006yD-J2 for importer@patchew.org; Thu, 30 Aug 2018 21:13:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45507) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fvXvE-0003KQ-JO for qemu-devel@nongnu.org; Thu, 30 Aug 2018 21:08:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fvXev-0004dM-0L for qemu-devel@nongnu.org; Thu, 30 Aug 2018 20:51:36 -0400 Received: from out1.zte.com.cn ([202.103.147.172]:38250 helo=mxct.zte.com.cn) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fvXeu-0004bi-LK for qemu-devel@nongnu.org; Thu, 30 Aug 2018 20:51:32 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 1A6F770D8D0DA7B71B3F; Fri, 31 Aug 2018 08:51:30 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id w7V0pP3i097849; Fri, 31 Aug 2018 08:51:25 +0800 (GMT-8) (envelope-from peng.hao2@zte.com.cn) Received: from localhost.localdomain.localdomain ([10.74.120.59]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2018083108513234-6625297 ; Fri, 31 Aug 2018 08:51:32 +0800 From: Peng Hao To: pbonzini@redhat.com, rkrcmar@redhat.com, mst@redhat.com, ehabkost@redhat.com Date: Fri, 31 Aug 2018 17:05:02 +0800 Message-Id: <1535706305-118115-2-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1535706305-118115-1-git-send-email-peng.hao2@zte.com.cn> References: <1535706305-118115-1-git-send-email-peng.hao2@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2018-08-31 08:51:32, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-08-31 08:51:09, Serialize complete at 2018-08-31 08:51:09 X-MAIL: mse01.zte.com.cn w7V0pP3i097849 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 202.103.147.172 Subject: [Qemu-devel] [PATCH V5 1/4] target-i386: introduce coalesced_pio kvm header update X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peng Hao , qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" add coalesced_pio's struct and KVM_CAP_COALESCED_PIO header. Signed-off-by: Peng Hao --- accel/kvm/kvm-all.c | 4 ++-- linux-headers/linux/kvm.h | 11 +++++++++-- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index eb7db92..4a3909d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -536,7 +536,7 @@ static void kvm_coalesce_mmio_region(MemoryListener *li= stener, =20 zone.addr =3D start; zone.size =3D size; - zone.pad =3D 0; + zone.pio =3D 0; =20 (void)kvm_vm_ioctl(s, KVM_REGISTER_COALESCED_MMIO, &zone); } @@ -553,7 +553,7 @@ static void kvm_uncoalesce_mmio_region(MemoryListener *= listener, =20 zone.addr =3D start; zone.size =3D size; - zone.pad =3D 0; + zone.pio =3D 0; =20 (void)kvm_vm_ioctl(s, KVM_UNREGISTER_COALESCED_MMIO, &zone); } diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h index 98f389a..1cb0d41 100644 --- a/linux-headers/linux/kvm.h +++ b/linux-headers/linux/kvm.h @@ -420,13 +420,19 @@ struct kvm_run { struct kvm_coalesced_mmio_zone { __u64 addr; __u32 size; - __u32 pad; + union { + __u32 pad; + __u32 pio; + }; }; =20 struct kvm_coalesced_mmio { __u64 phys_addr; __u32 len; - __u32 pad; + union { + __u32 pad; + __u32 pio; + }; __u8 data[8]; }; =20 @@ -949,6 +955,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_GET_MSR_FEATURES 153 #define KVM_CAP_HYPERV_EVENTFD 154 #define KVM_CAP_HYPERV_TLBFLUSH 155 +#define KVM_CAP_COALESCED_PIO 156 =20 #ifdef KVM_CAP_IRQ_ROUTING =20 --=20 1.8.3.1