From nobody Tue Feb 10 21:19:17 2026 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 15064373833451018.5347002667257; Tue, 26 Sep 2017 07:49:43 -0700 (PDT) Received: from localhost ([::1]:47947 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrB3-0005dp-ML for importer@patchew.org; Tue, 26 Sep 2017 10:49:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42287) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrAC-0005Lu-K2 for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:48:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwrA9-0003at-I5 for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:48:44 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:45580) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1dwrA9-0003Zn-9u for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:48:41 -0400 X-IronPort-AV: E=Sophos;i="5.42,441,1500940800"; d="scan'208";a="449270648" From: Owen Smith To: , , Date: Tue, 26 Sep 2017 14:43:39 +0000 Message-ID: <1506437019-17946-4-git-send-email-owen.smith@citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1506437019-17946-1-git-send-email-owen.smith@citrix.com> References: <1506437019-17946-1-git-send-email-owen.smith@citrix.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.63 Subject: [Qemu-devel] [PATCH 3/3 v4] xenfb: Add [feature|request]-raw-pointer 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: xen-devel@lists.xenproject.org, qemu-devel@nongnu.org, Owen Smith 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 Content-Type: text/plain; charset="utf-8" Writes "feature-raw-pointer" during init to indicate the backend can pass raw unscaled values for absolute axes to the frontend. Frontends set "request-raw-pointer" to indicate the backend should not attempt to scale absolute values to console size. "request-raw-pointer" is only valid if "request-abs-pointer" is also set. Raw unscaled pointer values are in the range [0, 0x7fff] Signed-off-by: Owen Smith --- hw/display/xenfb.c | 37 ++++++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 13 deletions(-) diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c index 33361b4..29428ae 100644 --- a/hw/display/xenfb.c +++ b/hw/display/xenfb.c @@ -52,6 +52,7 @@ struct common { struct XenInput { struct common c; int abs_pointer_wanted; /* Whether guest supports absolute pointer */ + int raw_pointer_wanted; /* Whether guest supports raw (unscaled) point= er */ QemuInputHandlerState *qkbd; QemuInputHandlerState *qmou; int mouse_axes[INPUT_AXIS__MAX]; @@ -264,21 +265,23 @@ static void xenfb_mouse_sync(DeviceState *dev) in->abs_pointer_wanted); =20 if (in->abs_pointer_wanted) { - QemuConsole *con =3D qemu_console_lookup_by_index(0); - DisplaySurface *surface; - int dw, dh; - - if (!con) { - xen_pv_printf(&in->c.xendev, 0, "No QEMU console available"); - return; - } + if (!in->raw_pointer_wanted) { + QemuConsole *con =3D qemu_console_lookup_by_index(0); + DisplaySurface *surface; + int dw, dh; + + if (!con) { + xen_pv_printf(&in->c.xendev, 0, "No QEMU console available= "); + return; + } =20 - surface =3D qemu_console_surface(con); - dw =3D surface_width(surface); - dh =3D surface_height(surface); + surface =3D qemu_console_surface(con); + dw =3D surface_width(surface); + dh =3D surface_height(surface); =20 - dx =3D dx * (dw - 1) / 0x7fff; - dy =3D dy * (dh - 1) / 0x7fff; + dx =3D dx * (dw - 1) / 0x7fff; + dy =3D dy * (dh - 1) / 0x7fff; + } =20 xenfb_send_position(in, dx, dy, dz); } else { @@ -312,6 +315,7 @@ static QemuInputHandler xenfb_rel_mouse =3D { static int input_init(struct XenDevice *xendev) { xenstore_write_be_int(xendev, "feature-abs-pointer", 1); + xenstore_write_be_int(xendev, "feature-raw-pointer", 1); return 0; } =20 @@ -335,6 +339,13 @@ static void input_connected(struct XenDevice *xendev) &in->abs_pointer_wanted) =3D=3D -1) { in->abs_pointer_wanted =3D 0; } + if (xenstore_read_fe_int(xendev, "request-raw-pointer", + &in->raw_pointer_wanted) =3D=3D -1) { + in->raw_pointer_wanted =3D 0; + } + if (in->raw_pointer_wanted && !in->abs_pointer_wanted) { + xen_pv_printf(xendev, 0, "raw pointer set without absolute pointer= ."); + } =20 if (in->qkbd) { qemu_input_handler_unregister(in->qkbd); --=20 2.1.4