From nobody Sun Apr 28 20:54:22 2024 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) 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=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1506437504014973.767930650775; Tue, 26 Sep 2017 07:51:44 -0700 (PDT) Received: from localhost ([::1]:47960 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrCz-00073U-Ms for importer@patchew.org; Tue, 26 Sep 2017 10:51:37 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42603) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrBH-0005u3-At for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwrBC-000413-Mj for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:51 -0400 Received: from smtp.citrix.com ([66.165.176.89]:54430) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1dwrBC-00040M-Ew for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:46 -0400 X-IronPort-AV: E=Sophos;i="5.42,441,1500940800"; d="scan'208";a="441260934" From: Owen Smith To: , , Date: Tue, 26 Sep 2017 14:43:37 +0000 Message-ID: <1506437019-17946-2-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: 66.165.176.89 Subject: [Qemu-devel] [PATCH 1/3 v4] ui/input: add qemu_input_qcode_to_linux 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_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Build a reverse mapping on first call that converts qcodes to linux KEY_* identifiers. Signed-off-by: Owen Smith Reviewed-by: Gerd Hoffmann --- include/ui/input.h | 1 + ui/input-keymap.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/ui/input.h b/include/ui/input.h index c488585..c3c1664 100644 --- a/include/ui/input.h +++ b/include/ui/input.h @@ -49,6 +49,7 @@ int qemu_input_key_value_to_qcode(const KeyValue *value); int qemu_input_key_value_to_scancode(const KeyValue *value, bool down, int *codes); int qemu_input_linux_to_qcode(unsigned int lnx); +unsigned int qemu_input_qcode_to_linux(int qcode); =20 InputEvent *qemu_input_event_new_btn(InputButton btn, bool down); void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down); diff --git a/ui/input-keymap.c b/ui/input-keymap.c index cf979c2..5f020fc 100644 --- a/ui/input-keymap.c +++ b/ui/input-keymap.c @@ -300,6 +300,7 @@ static const int qcode_to_number[] =3D { }; =20 static int number_to_qcode[0x100]; +static unsigned int qcode_to_linux[Q_KEY_CODE__MAX]; =20 int qemu_input_linux_to_qcode(unsigned int lnx) { @@ -307,6 +308,21 @@ int qemu_input_linux_to_qcode(unsigned int lnx) return linux_to_qcode[lnx]; } =20 +unsigned int qemu_input_qcode_to_linux(int qcode) +{ + static int first =3D true; + + if (first) { + unsigned int lnx; + first =3D false; + for (lnx =3D 0; lnx < KEY_CNT; ++lnx) { + qcode_to_linux[linux_to_qcode[lnx]] =3D lnx; + } + } + + return qcode_to_linux[qcode]; +} + int qemu_input_key_value_to_number(const KeyValue *value) { if (value->type =3D=3D KEY_VALUE_KIND_QCODE) { --=20 2.1.4 From nobody Sun Apr 28 20:54:22 2024 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 (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 150643750359947.99743947239108; Tue, 26 Sep 2017 07:51:43 -0700 (PDT) Received: from localhost ([::1]:47959 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrCp-0006ul-3t for importer@patchew.org; Tue, 26 Sep 2017 10:51:27 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42591) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dwrBF-0005sP-Dd for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dwrBD-00041g-CZ for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:49 -0400 Received: from smtp.citrix.com ([66.165.176.89]:54430) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1dwrBD-00040M-4J for qemu-devel@nongnu.org; Tue, 26 Sep 2017 10:49:47 -0400 X-IronPort-AV: E=Sophos;i="5.42,441,1500940800"; d="scan'208";a="441260938" From: Owen Smith To: , , Date: Tue, 26 Sep 2017 14:43:38 +0000 Message-ID: <1506437019-17946-3-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: 66.165.176.89 Subject: [Qemu-devel] [PATCH 2/3 v4] xenfb: Use Input Handlers directly 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" Avoid the unneccessary calls through the input-legacy.c file by using the qemu_input_handler_*() calls directly. This did require reworking the event and sync handlers to use the reverse mapping from qcode to linux using qemu_input_qcode_to_linux(). Removes the scancode2linux mapping, and supporting documention. Signed-off-by: Owen Smith Acked-by: Anthony PERARD Reviewed-by: Gerd Hoffmann --- hw/display/xenfb.c | 289 ++++++++++++++++++++++++-------------------------= ---- 1 file changed, 133 insertions(+), 156 deletions(-) diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c index df8b78f..33361b4 100644 --- a/hw/display/xenfb.c +++ b/hw/display/xenfb.c @@ -27,6 +27,7 @@ #include "qemu/osdep.h" =20 #include "hw/hw.h" +#include "ui/input.h" #include "ui/console.h" #include "hw/xen/xen_backend.h" =20 @@ -51,9 +52,10 @@ struct common { struct XenInput { struct common c; int abs_pointer_wanted; /* Whether guest supports absolute pointer */ - int button_state; /* Last seen pointer button state */ - int extended; - QEMUPutMouseEntry *qmouse; + QemuInputHandlerState *qkbd; + QemuInputHandlerState *qmou; + int mouse_axes[INPUT_AXIS__MAX]; + int mouse_wheel; }; =20 #define UP_QUEUE 8 @@ -119,79 +121,6 @@ static void common_unbind(struct common *c) } =20 /* -------------------------------------------------------------------- */ - -#if 0 -/* - * These two tables are not needed any more, but left in here - * intentionally as documentation, to show how scancode2linux[] - * was generated. - * - * Tables to map from scancode to Linux input layer keycode. - * Scancodes are hardware-specific. These maps assumes a - * standard AT or PS/2 keyboard which is what QEMU feeds us. - */ -const unsigned char atkbd_set2_keycode[512] =3D { - - 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, - 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, - 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, - 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, - 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, - 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, - 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, - 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, - 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, - 159, 0,115, 0,164, 0, 0,116,158, 0,150,166, 0, 0, 0,142, - 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, - 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, - 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, - -}; - -const unsigned char atkbd_unxlate_table[128] =3D { - - 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, - 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, - 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, - 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, - 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, - 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, - 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, - 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 - -}; -#endif - -/* - * for (i =3D 0; i < 128; i++) { - * scancode2linux[i] =3D atkbd_set2_keycode[atkbd_unxlate_table[i]]; - * scancode2linux[i | 0x80] =3D atkbd_set2_keycode[atkbd_unxlate_table= [i] | 0x80]; - * } - */ -static const unsigned char scancode2linux[512] =3D { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, - 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, - 80, 81, 82, 83, 99, 0, 86, 87, 88,117, 0, 0, 95,183,184,185, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 93, 0, 0, 89, 0, 0, 85, 91, 90, 92, 0, 94, 0,124,121, 0, - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 165, 0, 0, 0, 0, 0, 0, 0, 0,163, 0, 0, 96, 97, 0, 0, - 113,140,164, 0,166, 0, 0, 0, 0, 0,255, 0, 0, 0,114, 0, - 115, 0,150, 0, 0, 98,255, 99,100, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0,119,119,102,103,104, 0,105,112,106,118,107, - 108,109,110,111, 0, 0, 0, 0, 0, 0, 0,125,126,127,116,142, - 0, 0, 0,143, 0,217,156,173,128,159,158,157,155,226, 0,112, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -}; - /* Send an event to the keyboard frontend driver */ static int xenfb_kbd_event(struct XenInput *xenfb, union xenkbd_in_event *event) @@ -260,87 +189,126 @@ static int xenfb_send_position(struct XenInput *xenf= b, return xenfb_kbd_event(xenfb, &event); } =20 -/* - * Send a key event from the client to the guest OS - * QEMU gives us a raw scancode from an AT / PS/2 style keyboard. - * We have to turn this into a Linux Input layer keycode. - * - * Extra complexity from the fact that with extended scancodes - * (like those produced by arrow keys) this method gets called - * twice, but we only want to send a single event. So we have to - * track the '0xe0' scancode state & collapse the extended keys - * as needed. - * - * Wish we could just send scancodes straight to the guest which - * already has code for dealing with this... - */ -static void xenfb_key_event(void *opaque, int scancode) +static void xenfb_key_event(DeviceState *dev, QemuConsole *src, + InputEvent *evt) { - struct XenInput *xenfb =3D opaque; - int down =3D 1; - - if (scancode =3D=3D 0xe0) { - xenfb->extended =3D 1; - return; - } else if (scancode & 0x80) { - scancode &=3D 0x7f; - down =3D 0; + struct XenInput *in =3D (struct XenInput *)dev; + InputKeyEvent *key =3D evt->u.key.data; + int qcode =3D qemu_input_key_value_to_qcode(key->key); + + if (qcode) { + unsigned int lnx =3D qemu_input_qcode_to_linux(qcode); + if (lnx) { + xenfb_send_key(in, key->down, lnx); + } } - if (xenfb->extended) { - scancode |=3D 0x80; - xenfb->extended =3D 0; +} + +static void xenfb_mouse_event(DeviceState *dev, QemuConsole *src, + InputEvent *evt) +{ + struct XenInput *in =3D (struct XenInput *)dev; + InputBtnEvent *btn; + InputMoveEvent *move; + + switch (evt->type) { + case INPUT_EVENT_KIND_BTN: + btn =3D evt->u.btn.data; + switch (btn->button) { + case INPUT_BUTTON_LEFT: + xenfb_send_key(in, btn->down, BTN_LEFT); + break; + case INPUT_BUTTON_RIGHT: + xenfb_send_key(in, btn->down, BTN_LEFT + 1); + break; + case INPUT_BUTTON_MIDDLE: + xenfb_send_key(in, btn->down, BTN_LEFT + 2); + break; + case INPUT_BUTTON_WHEEL_UP: + if (btn->down) { + in->mouse_wheel--; + } + break; + case INPUT_BUTTON_WHEEL_DOWN: + if (btn->down) { + in->mouse_wheel++; + } + break; + default: + break; + } + break; + case INPUT_EVENT_KIND_ABS: + move =3D evt->u.abs.data; + in->mouse_axes[move->axis] =3D move->value; + break; + case INPUT_EVENT_KIND_REL: + move =3D evt->u.rel.data; + in->mouse_axes[move->axis] +=3D move->value; + break; + default: + break; } - xenfb_send_key(xenfb, down, scancode2linux[scancode]); } =20 -/* - * Send a mouse event from the client to the guest OS - * - * The QEMU mouse can be in either relative, or absolute mode. - * Movement is sent separately from button state, which has to - * be encoded as virtual key events. We also don't actually get - * given any button up/down events, so have to track changes in - * the button state. - */ -static void xenfb_mouse_event(void *opaque, - int dx, int dy, int dz, int button_state) +static void xenfb_mouse_sync(DeviceState *dev) { - struct XenInput *xenfb =3D opaque; - QemuConsole *con =3D qemu_console_lookup_by_index(0); - DisplaySurface *surface; - int dw, dh, i; + struct XenInput *in =3D (struct XenInput *)dev; + int dx, dy, dz; =20 - if (!con) { - xen_pv_printf(&xenfb->c.xendev, 0, "No QEMU console available"); - return; - } + dx =3D in->mouse_axes[INPUT_AXIS_X]; + dy =3D in->mouse_axes[INPUT_AXIS_Y]; + dz =3D in->mouse_wheel; + + trace_xenfb_mouse_event(in, dx, dy, dz, 0, + in->abs_pointer_wanted); + + 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; + } + + surface =3D qemu_console_surface(con); + dw =3D surface_width(surface); + dh =3D surface_height(surface); + + dx =3D dx * (dw - 1) / 0x7fff; + dy =3D dy * (dh - 1) / 0x7fff; =20 - surface =3D qemu_console_surface(con); - dw =3D surface_width(surface); - dh =3D surface_height(surface); - - trace_xenfb_mouse_event(opaque, dx, dy, dz, button_state, - xenfb->abs_pointer_wanted); - if (xenfb->abs_pointer_wanted) - xenfb_send_position(xenfb, - dx * (dw - 1) / 0x7fff, - dy * (dh - 1) / 0x7fff, - dz); - else - xenfb_send_motion(xenfb, dx, dy, dz); - - for (i =3D 0 ; i < 8 ; i++) { - int lastDown =3D xenfb->button_state & (1 << i); - int down =3D button_state & (1 << i); - if (down =3D=3D lastDown) - continue; - - if (xenfb_send_key(xenfb, down, BTN_LEFT+i) < 0) - return; + xenfb_send_position(in, dx, dy, dz); + } else { + xenfb_send_motion(in, dx, dy, dz); + + in->mouse_axes[INPUT_AXIS_X] =3D 0; + in->mouse_axes[INPUT_AXIS_Y] =3D 0; } - xenfb->button_state =3D button_state; + + in->mouse_wheel =3D 0; } =20 +static QemuInputHandler xenfb_keyboard =3D { + .name =3D "Xen PVFB Keyboard", + .mask =3D INPUT_EVENT_MASK_KEY, + .event =3D xenfb_key_event, +}; +static QemuInputHandler xenfb_abs_mouse =3D { + .name =3D "Xen PVFB Absolute Mouse", + .mask =3D INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_ABS, + .event =3D xenfb_mouse_event, + .sync =3D xenfb_mouse_sync +}; +static QemuInputHandler xenfb_rel_mouse =3D { + .name =3D "Xen PVFB Mouse", + .mask =3D INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL, + .event =3D xenfb_mouse_event, + .sync =3D xenfb_mouse_sync, +}; + static int input_init(struct XenDevice *xendev) { xenstore_write_be_int(xendev, "feature-abs-pointer", 1); @@ -356,7 +324,6 @@ static int input_initialise(struct XenDevice *xendev) if (rc !=3D 0) return rc; =20 - qemu_add_kbd_event_handler(xenfb_key_event, in); return 0; } =20 @@ -369,24 +336,34 @@ static void input_connected(struct XenDevice *xendev) in->abs_pointer_wanted =3D 0; } =20 - if (in->qmouse) { - qemu_remove_mouse_event_handler(in->qmouse); + if (in->qkbd) { + qemu_input_handler_unregister(in->qkbd); + } + if (in->qmou) { + qemu_input_handler_unregister(in->qmou); } trace_xenfb_input_connected(xendev, in->abs_pointer_wanted); - in->qmouse =3D qemu_add_mouse_event_handler(xenfb_mouse_event, in, - in->abs_pointer_wanted, - "Xen PVFB Mouse"); + + in->qkbd =3D qemu_input_handler_register((DeviceState *)in, &xenfb_key= board); + in->qmou =3D qemu_input_handler_register((DeviceState *)in, + (in->abs_pointer_wanted ? &xenfb_abs_mouse : &xenfb_rel_mouse)); + + qemu_input_handler_activate(in->qkbd); + qemu_input_handler_activate(in->qmou); } =20 static void input_disconnect(struct XenDevice *xendev) { struct XenInput *in =3D container_of(xendev, struct XenInput, c.xendev= ); =20 - if (in->qmouse) { - qemu_remove_mouse_event_handler(in->qmouse); - in->qmouse =3D NULL; + if (in->qkbd) { + qemu_input_handler_unregister(in->qkbd); + in->qkbd =3D NULL; + } + if (in->qmou) { + qemu_input_handler_unregister(in->qmou); + in->qmou =3D NULL; } - qemu_add_kbd_event_handler(NULL, NULL); common_unbind(&in->c); } =20 --=20 2.1.4 From nobody Sun Apr 28 20:54:22 2024 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 Reviewed-by: Gerd Hoffmann --- 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