From nobody Sun Nov 9 19:07:41 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1551433622565287.13726435317096; Fri, 1 Mar 2019 01:47:02 -0800 (PST) Received: from localhost ([127.0.0.1]:53621 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzekp-0007oi-59 for importer@patchew.org; Fri, 01 Mar 2019 04:46:55 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38165) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gzee9-0002E6-AB for qemu-devel@nongnu.org; Fri, 01 Mar 2019 04:40:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gzee8-0004Tg-JH for qemu-devel@nongnu.org; Fri, 01 Mar 2019 04:40:01 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56528) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gzee8-0004TO-CR; Fri, 01 Mar 2019 04:40:00 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8D1AD308CC67; Fri, 1 Mar 2019 09:39:59 +0000 (UTC) Received: from localhost (ovpn-117-66.ams2.redhat.com [10.36.117.66]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 25D4B19C5B; Fri, 1 Mar 2019 09:39:58 +0000 (UTC) From: Cornelia Huck To: Halil Pasic , Eric Farman , Farhan Ali , Pierre Morel Date: Fri, 1 Mar 2019 10:39:48 +0100 Message-Id: <20190301093949.27955-2-cohuck@redhat.com> In-Reply-To: <20190301093949.27955-1-cohuck@redhat.com> References: <20190301093949.27955-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Fri, 01 Mar 2019 09:39:59 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 1/2] vfio-ccw: new capability chain support 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: linux-s390@vger.kernel.org, kvm@vger.kernel.org, Cornelia Huck , Alex Williamson , qemu-devel@nongnu.org, qemu-s390x@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" To be replaced with a real linux-headers update. Signed-off-by: Cornelia Huck Reviewed-by: Eric Farman --- linux-headers/linux/vfio.h | 4 ++++ linux-headers/linux/vfio_ccw.h | 12 ++++++++++++ 2 files changed, 16 insertions(+) diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index 12a7b1dc53c8..24f505199f83 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -353,6 +353,10 @@ struct vfio_region_gfx_edid { #define VFIO_DEVICE_GFX_LINK_STATE_DOWN 2 }; =20 +#define VFIO_REGION_TYPE_CCW (2) +/* ccw sub-types */ +#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD (1) + /* * 10de vendor sub-type * diff --git a/linux-headers/linux/vfio_ccw.h b/linux-headers/linux/vfio_ccw.h index 5bf96c3812d2..fcc3e69ef526 100644 --- a/linux-headers/linux/vfio_ccw.h +++ b/linux-headers/linux/vfio_ccw.h @@ -12,6 +12,7 @@ =20 #include =20 +/* used for START SUBCHANNEL, always present */ struct ccw_io_region { #define ORB_AREA_SIZE 12 __u8 orb_area[ORB_AREA_SIZE]; @@ -22,4 +23,15 @@ struct ccw_io_region { __u32 ret_code; } __attribute__((packed)); =20 +/* + * used for processing commands that trigger asynchronous actions + * Note: this is controlled by a capability + */ +#define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0) +#define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1) +struct ccw_cmd_region { + __u32 command; + __u32 ret_code; +} __attribute__((packed)); + #endif --=20 2.17.2