769 lines
27 KiB
C
769 lines
27 KiB
C
/* $NetBSD: darwin_iohidsystem.c,v 1.27 2004/10/24 14:42:10 skrll Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: darwin_iohidsystem.c,v 1.27 2004/10/24 14:42:10 skrll Exp $");
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#include "ioconf.h"
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#include "wsmux.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/fcntl.h>
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#include <sys/uio.h>
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#include <sys/select.h>
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#include <sys/signal.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/kthread.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wseventvar.h>
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#include <dev/wscons/wsmuxvar.h>
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#include <uvm/uvm_extern.h>
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#include <uvm/uvm_map.h>
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#include <uvm/uvm.h>
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#include <compat/mach/mach_types.h>
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#include <compat/mach/mach_message.h>
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#include <compat/mach/mach_port.h>
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#include <compat/mach/mach_errno.h>
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#include <compat/mach/mach_iokit.h>
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#include <compat/darwin/darwin_exec.h>
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#include <compat/darwin/darwin_iokit.h>
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#include <compat/darwin/darwin_sysctl.h>
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#include <compat/darwin/darwin_iohidsystem.h>
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/* Redefined from sys/dev/wscons/wsmux.c */
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extern const struct cdevsw wsmux_cdevsw;
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static struct uvm_object *darwin_iohidsystem_shmem = NULL;
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static void darwin_iohidsystem_shmeminit(vaddr_t);
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static void darwin_iohidsystem_thread(void *);
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static int darwin_findwsmux(dev_t *, int);
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static void darwin_wscons_to_iohidsystem
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(struct wscons_event *, darwin_iohidsystem_event *);
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static void mach_notify_iohidsystem(struct lwp *, struct mach_right *);
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struct darwin_iohidsystem_thread_args {
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vaddr_t dita_shmem;
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struct proc *dita_p;
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int dita_done;
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int *dita_hidsystem_finished;
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};
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static char darwin_ioresources_properties[] = "<dict ID=\"0\"><key>IOKit</key><string ID=\"1\">IOService</string><key>AccessMPC106PerformanceRegister</key><string ID=\"2\">AppleGracklePCI is not serializable</string><key>IONVRAM</key><reference IDREF=\"1\"/><key>IOiic0</key><string ID=\"3\">AppleCuda is not serializable</string><key>IORTC</key><reference IDREF=\"3\"/><key>IOBSD</key><reference IDREF=\"1\"/></dict>";
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static char darwin_iokbd_properties[] = "<dict ID=\"0\"><key>ADB Match</key><string ID=\"1\">2</string><key>ADBVirtualKeys</key><string ID=\"2\">0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,0x3B,0x37,0x38,0x39,0x3A,0x7B,0x7C,0x7D,0x7E,0x3F,0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x3C,0x3D,0x3E,0x36,0x7F</string><key>CFBundleIdentifier</key><string ID=\"3\">com.apple.driver.AppleADBKeyboard</string><key>IOClass</key><string ID=\"4\">AppleADBKeyboard</string><key>IOProbeScore</key><integer size=\"32\" ID=\"5\">0x3e8</integer><key>IOProviderClass</key><string ID=\"6\">IOADBDevice</string><key>PowerBook fn Foward Delete</key><integer size=\"64\" ID=\"7\">0x1</integer><key>KeyboardReserved</key><data ID=\"8\">Ag4wAAAAAAA=</data><key>IOMatchCategory</key><string ID=\"9\">IODefaultMatchCategory</string><key>HIDKeyMapping</key><data ID=\"11\">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</data><key>HIDKind</key><integer size=\"32\" ID=\"12\">0x1</integer><key>HIDInterfaceID</key><integer size=\"32\" ID=\"13\">0x2</integer><key>HIDSubinterfaceID</key><integer size=\"32\" ID=\"14\">0x2</integer></dict>";
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static char darwin_iomouse_properties[] = "<dict ID=\"0\"><key>dpi</key><integer size=\"64\" ID=\"1\">0xc8</integer><key>IOClass</key><string ID=\"2\">AppleADBMouseType2</string><key>IOProbeScore</key><integer size=\"32\" ID=\"3\">0x2710</integer><key>IOProviderClass</key><string ID=\"4\">IOADBDevice</string><key>CFBundleIdentifier</key><string ID=\"5\">com.apple.driver.AppleADBMouse</string><key>ADB Match</key><string ID=\"6\">3</string><key>IOMatchCategory</key><string ID=\"7\">IODefaultMatchCategory</string><key>HIDPointerAccelerationType</key><string ID=\"8\">HIDMouseAcceleration</string><key>HIDPointerAccelerationSettings</key><array ID=\"9\"><data ID=\"10\">AAAAAA==</data><data ID=\"11\">AAAgAA==</data><data ID=\"12\">AABQAA==</data><data ID=\"13\">AACAAA==</data><data ID=\"14\">AACwAA==</data><data ID=\"15\">AADgAA==</data><data ID=\"16\">AAEAAA==</data></array><key>HIDPointerResolution</key><data ID=\"17\">AMgAAA==</data><key>HIDPointerConvertAbsolute</key><data ID=\"18\">AAAAAA==</data><key>HIDPointerContactToMove</key><data ID=\"19\">AAAAAA==</data><key>HIDKind</key><integer size=\"32\" ID=\"20\">0x2</integer><key>HIDInterfaceID</key><integer size=\"32\" ID=\"21\">0x2</integer><key>HIDSubinterfaceID</key><integer size=\"32\" ID=\"22\">0x2</integer></dict>";
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static char darwin_iohidsystem_properties[] = "<dict ID=\"0\"><key>CFBundleIdentifier</key><string ID=\"1\">com.apple.iokit.IOHIDSystem</string><key>IOClass</key><string ID=\"2\">IOHIDSystem</string><key>IOMatchCategory</key><string ID=\"3\">IOHID</string><key>IOProviderClass</key><string ID=\"4\">IOResources</string><key>IOResourceMatch</key><string ID=\"5\">IOKit</string><key>IOProbeScore</key><integer size=\"32\" ID=\"6\">0x0</integer><key>HIDParameters</key><dict ID=\"7\"><key>HIDClickTime</key><data ID=\"8\">AAAAAB3NZQA=</data><key>HIDAutoDimThreshold</key><data ID=\"9\">AAAARdlkuAA=</data><key>HIDAutoDimBrightness</key><data ID=\"10\">AAAAAA==</data><key>HIDClickSpace</key><data ID=\"11\">AAAAAA==</data><key>HIDKeyRepeat</key><data ID=\"12\">AAAAAAHJw4A=</data><key>HIDInitialKeyRepeat</key><data ID=\"13\">AAAAABZaC8A=</data><key>HIDPointerAcceleration</key><data ID=\"14\">AACAAA==</data><key>HIDScrollAcceleration</key><data ID=\"15\">AABQAA==</data><key>HIDPointerButtonMode</key><data ID=\"16\">AAAAAg==</data><key>HIDF12EjectDelay</key><data ID=\"17\">AAAA+g==</data><key>HIDSlowKeysDelay</key><data ID=\"18\">AAAAAA==</data><key>HIDStickyKeysDisabled</key><data ID=\"19\">AAAAAA==</data><key>HIDStickyKeysOn</key><data ID=\"20\">AAAAAA==</data><key>HIDStickyKeysShiftToggles</key><data ID=\"21\">AAAAAA==</data><key>HIDMouseAcceleration</key><data ID=\"22\">AAGzMw==</data><key>Clicking</key><data ID=\"23\">AA==</data><key>DragLock</key><reference IDREF=\"23\"/><key>Dragging</key><reference IDREF=\"23\"/><key>JitterNoMove</key><integer size=\"32\" ID=\"24\">0x1</integer><key>JitterNoClick</key><integer size=\"32\" ID=\"25\">0x1</integer><key>PalmNoAction When Typing</key><integer size=\"32\" ID=\"26\">0x1</integer><key>PalmNoAction Permanent</key><integer size=\"32\" ID=\"27\">0x1</integer><key>TwofingerNoAction</key><integer size=\"32\" ID=\"28\">0x1</integer><key>OutsidezoneNoAction When Typing</key><integer size=\"32\" ID=\"29\">0x1</integer><key>Use Panther Settings for W</key><integer size=\"32\" ID=\"30\">0x0</integer><key>Trackpad Jitter Milliseconds</key><integer size=\"32\" ID=\"31\">0xc0</integer><key>USBMouseStopsTrackpad</key><integer size=\"32\" ID=\"32\">0x0</integer><key>HIDWaitCursorFrameInterval</key><data ID=\"33\">AfygVw==</data></dict><key>HIDAutoDimTime</key><data ID=\"34\">AAAAAAAAAAA=</data><key>HIDIdleTime</key><data ID=\"35\">AAAjRKwYjsI=</data><key>HIDAutoDimState</key><data ID=\"36\">AAAAAQ==</data><key>HIDBrightness</key><data ID=\"37\">AAAAQA==</data></dict>";
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struct mach_iokit_devclass darwin_iokbd_devclass = {
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"(unkown)",
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{ &mach_ioroot_devclass, NULL },
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darwin_iokbd_properties,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"AppleADBKeyboard",
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NULL,
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};
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struct mach_iokit_devclass darwin_iomouse_devclass = {
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"(unkown)",
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{ &mach_ioroot_devclass, NULL },
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darwin_iomouse_properties,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"AppleADBMouse",
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NULL,
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};
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struct mach_iokit_devclass darwin_ioresources_devclass = {
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"(unkown)",
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{ &mach_ioroot_devclass, NULL },
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darwin_ioresources_properties,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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"IOResources",
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NULL,
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};
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struct mach_iokit_devclass darwin_iohidsystem_devclass = {
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"<dict ID=\"0\"><key>IOProviderClass</key>"
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"<string ID=\"1\">IOHIDSystem</string></dict>",
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{ &darwin_ioresources_devclass, &darwin_iokbd_devclass,
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&darwin_iomouse_devclass, NULL },
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darwin_iohidsystem_properties,
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NULL,
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darwin_iohidsystem_connect_method_scalari_scalaro,
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NULL,
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darwin_iohidsystem_connect_method_structi_structo,
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NULL,
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darwin_iohidsystem_connect_map_memory,
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"IOHIDSystem",
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NULL,
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};
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int
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darwin_iohidsystem_connect_method_scalari_scalaro(args)
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struct mach_trap_args *args;
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{
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mach_io_connect_method_scalari_scalaro_request_t *req = args->smsg;
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mach_io_connect_method_scalari_scalaro_reply_t *rep = args->rmsg;
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size_t *msglen = args->rsize;
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int maxoutcount;
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#ifdef DEBUG_DARWIN
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printf("darwin_iohidsystem_connect_method_scalari_scalaro()\n");
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#endif
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rep->rep_outcount = 0;
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maxoutcount = req->req_in[req->req_incount];
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switch (req->req_selector) {
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case DARWIN_IOHIDCREATESHMEM: {
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/* Create the shared memory for HID events */
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int version;
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int error;
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size_t memsize;
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vaddr_t kvaddr;
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struct proc *p;
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struct darwin_iohidsystem_thread_args *dita;
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struct darwin_emuldata *ded;
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version = req->req_in[0]; /* 1 */
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#ifdef DEBUG_DARWIN
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printf("DARWIN_IOHIDCREATESHMEM: version = %d\n", version);
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#endif
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memsize = round_page(sizeof(struct darwin_iohidsystem_shmem));
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/* If it has not been used yet, initialize it */
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if (darwin_iohidsystem_shmem == NULL) {
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darwin_iohidsystem_shmem = uao_create(memsize, 0);
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error = uvm_map(kernel_map, &kvaddr, memsize,
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darwin_iohidsystem_shmem, 0, PAGE_SIZE,
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UVM_MAPFLAG(UVM_PROT_RW, UVM_PROT_RW,
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UVM_INH_SHARE, UVM_ADV_RANDOM, 0));
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if (error != 0) {
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uao_detach(darwin_iohidsystem_shmem);
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darwin_iohidsystem_shmem = NULL;
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return mach_msg_error(args, error);
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}
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error = uvm_map_pageable(kernel_map, kvaddr,
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kvaddr + memsize, FALSE, 0);
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if (error != 0) {
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uao_detach(darwin_iohidsystem_shmem);
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darwin_iohidsystem_shmem = NULL;
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return mach_msg_error(args, error);
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}
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darwin_iohidsystem_shmeminit(kvaddr);
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p = args->l->l_proc;
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ded = (struct darwin_emuldata *)p->p_emuldata;
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dita = malloc(sizeof(*dita), M_TEMP, M_WAITOK);
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dita->dita_shmem = kvaddr;
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dita->dita_done = 0;
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kthread_create1(darwin_iohidsystem_thread,
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(void *)dita, &dita->dita_p, "iohidsystem");
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/*
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* Make sure the thread got the informations
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* before exitting and destroying dita.
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*/
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while (!dita->dita_done)
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(void)tsleep(&dita->dita_done,
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PZERO, "iohid_done", 0);
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ded->ded_hidsystem_finished =
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dita->dita_hidsystem_finished;
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free(dita, M_TEMP);
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}
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rep->rep_outcount = 0;
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break;
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}
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case DARWIN_IOHIDSETEVENTSENABLE: {
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/* Enable or disable events */
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int enable;
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enable = req->req_in[0];
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#ifdef DEBUG_DARWIN
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printf("DARWIN_IOHIDSETEVENTSENABLE: enable = %d\n", enable);
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#endif
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/* For now, this is a no-op */
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rep->rep_outcount = 0;
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break;
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}
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case DARWIN_IOHIDSETCURSORENABLE: {
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/* Enable or disable the cursor */
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int enable;
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enable = req->req_in[0];
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#ifdef DEBUG_DARWIN
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printf("DARWIN_IOHIDSETCURSORENABLE: enable = %d\n", enable);
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#endif
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/* We don't support it */
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rep->rep_outcount = 0;
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break;
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}
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case DARWIN_IOHIDPOSTEVENT: {
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darwin_nxll_event *dne;
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dne = (darwin_nxll_event *)&req->req_in[0];
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#ifdef DEBUG_DARWIN
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printf("DARWIN_IOHIDPOSTEVENT: setcursor = %d, type = %d, "
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" location = (%d, %d), setflags = %x, flags = %x\n",
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dne->dne_setcursor, dne->dne_type, dne->dne_location.x,
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dne->dne_location.y, dne->dne_setflags, dne->dne_flags);
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#endif
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/* We don't support it yet */
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rep->rep_outcount = 0;
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break;
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}
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default:
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#ifdef DEBUG_DARWIN
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printf("Unknown selector %d\n", req->req_selector);
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#endif
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|
return mach_msg_error(args, EINVAL);
|
|
break;
|
|
}
|
|
|
|
*msglen = sizeof(*rep) - ((16 + rep->rep_outcount) * sizeof(int));
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
darwin_iohidsystem_connect_method_structi_structo(args)
|
|
struct mach_trap_args *args;
|
|
{
|
|
mach_io_connect_method_structi_structo_request_t *req = args->smsg;
|
|
mach_io_connect_method_structi_structo_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct proc *p = args->l->l_proc;
|
|
int maxoutcount;
|
|
int error;
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("darwin_iohidsystem_connect_method_structi_structo()\n");
|
|
#endif
|
|
rep->rep_outcount = 0;
|
|
/* maxoutcount is word aligned */
|
|
maxoutcount = req->req_in[(req->req_incount & ~0x3UL) + 4];
|
|
|
|
switch (req->req_selector) {
|
|
case DARWIN_IOHIDSETMOUSELOCATION: {
|
|
struct wscons_event wsevt;
|
|
dev_t dev;
|
|
const struct cdevsw *wsmux;
|
|
darwin_iogpoint *pt = (darwin_iogpoint *)&req->req_in[0];
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("DARWIN_IOHIDSETMOUSELOCATION: %d,%d\n", pt->x, pt->y);
|
|
#endif
|
|
/*
|
|
* Use the wsmux given by sysctl emul.darwin.iohidsystem_mux
|
|
*/
|
|
error = darwin_findwsmux(&dev, darwin_iohidsystem_mux);
|
|
if (error != 0)
|
|
return mach_msg_error(args, error);
|
|
|
|
if ((wsmux = cdevsw_lookup(dev)) == NULL)
|
|
return mach_msg_error(args, ENXIO);
|
|
|
|
wsevt.type = WSCONS_EVENT_MOUSE_ABSOLUTE_X;
|
|
wsevt.value = pt->x;
|
|
if ((error = (wsmux->d_ioctl)(dev,
|
|
WSMUXIO_INJECTEVENT, (caddr_t)&wsevt, 0, p)) != 0)
|
|
return mach_msg_error(args, error);
|
|
|
|
wsevt.type = WSCONS_EVENT_MOUSE_ABSOLUTE_Y;
|
|
wsevt.value = pt->y;
|
|
if ((error = (wsmux->d_ioctl)(dev,
|
|
WSMUXIO_INJECTEVENT, (caddr_t)&wsevt, 0, p)) != 0)
|
|
return mach_msg_error(args, error);
|
|
|
|
rep->rep_outcount = 0;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
#ifdef DEBUG_DARWIN
|
|
printf("Unknown selector %d\n", req->req_selector);
|
|
#endif
|
|
return mach_msg_error(args, EINVAL);
|
|
break;
|
|
}
|
|
|
|
|
|
*msglen = sizeof(*rep) - (4096 - rep->rep_outcount);
|
|
mach_set_header(rep, req, *msglen);
|
|
mach_set_trailer(rep, *msglen);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
darwin_iohidsystem_connect_map_memory(args)
|
|
struct mach_trap_args *args;
|
|
{
|
|
mach_io_connect_map_memory_request_t *req = args->smsg;
|
|
mach_io_connect_map_memory_reply_t *rep = args->rmsg;
|
|
size_t *msglen = args->rsize;
|
|
struct proc *p = args->l->l_proc;
|
|
int error;
|
|
size_t memsize;
|
|
vaddr_t pvaddr;
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("darwin_iohidsystem_connect_map_memory()\n");
|
|
#endif
|
|
memsize = round_page(sizeof(struct darwin_iohidsystem_shmem));
|
|
|
|
if (darwin_iohidsystem_shmem == NULL)
|
|
return mach_msg_error(args, ENOMEM);
|
|
|
|
uao_reference(darwin_iohidsystem_shmem);
|
|
pvaddr = VM_DEFAULT_ADDRESS(p->p_vmspace->vm_daddr, memsize);
|
|
|
|
if ((error = uvm_map(&p->p_vmspace->vm_map, &pvaddr,
|
|
memsize, darwin_iohidsystem_shmem, 0, PAGE_SIZE,
|
|
UVM_MAPFLAG(UVM_PROT_RW, UVM_PROT_RW,
|
|
UVM_INH_SHARE, UVM_ADV_RANDOM, 0))) != 0)
|
|
return mach_msg_error(args, error);
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("pvaddr = 0x%08lx\n", (long)pvaddr);
|
|
#endif
|
|
|
|
*msglen = sizeof(*rep);
|
|
mach_set_header(rep, req, *msglen);
|
|
|
|
rep->rep_retval = 0;
|
|
rep->rep_addr = pvaddr;
|
|
rep->rep_len = sizeof(struct darwin_iohidsystem_shmem);
|
|
|
|
mach_set_trailer(rep, *msglen);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
darwin_iohidsystem_thread(args)
|
|
void *args;
|
|
{
|
|
struct darwin_iohidsystem_thread_args *dita;
|
|
struct darwin_iohidsystem_shmem *shmem;
|
|
struct darwin_iohidsystem_evglobals *evg;
|
|
darwin_iohidsystem_event_item *diei = NULL; /* XXX: gcc */
|
|
darwin_iohidsystem_event *die;
|
|
dev_t dev;
|
|
const struct cdevsw *wsmux;
|
|
struct uio auio;
|
|
struct iovec aiov;
|
|
struct wscons_event wsevt;
|
|
struct proc *p;
|
|
int error = 0;
|
|
struct mach_right *mr;
|
|
struct lwp *l;
|
|
int finished = 0;
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("darwin_iohidsystem_thread: start\n");
|
|
#endif
|
|
dita = (struct darwin_iohidsystem_thread_args *)args;
|
|
shmem = (struct darwin_iohidsystem_shmem *)dita->dita_shmem;
|
|
p = dita->dita_p;
|
|
l = proc_representative_lwp(p);
|
|
dita->dita_hidsystem_finished = &finished;
|
|
|
|
/*
|
|
* Allow the parent to read dita_hidsystem_finished
|
|
* and to get rid of dita. Once the parent is awaken,
|
|
* it holds a reference to our on-stack finished flag,
|
|
* hence we cannot exi before the parent sets this flag.
|
|
* This is done in darwin_proc_exit()
|
|
*/
|
|
dita->dita_done = 1;
|
|
wakeup(&dita->dita_done);
|
|
|
|
evg = (struct darwin_iohidsystem_evglobals *)&shmem->dis_evglobals;
|
|
|
|
/*
|
|
* Use the wsmux given by sysctl emul.darwin.iohidsystem_mux
|
|
*/
|
|
if ((error = darwin_findwsmux(&dev, darwin_iohidsystem_mux)) != 0)
|
|
goto out2;
|
|
|
|
if ((wsmux = cdevsw_lookup(dev)) == NULL) {
|
|
error = ENXIO;
|
|
goto out2;
|
|
}
|
|
|
|
if ((error = (wsmux->d_open)(dev, FREAD|FWRITE, 0, p)) != 0)
|
|
goto out2;
|
|
|
|
while(!finished) {
|
|
auio.uio_iov = &aiov;
|
|
auio.uio_iovcnt = 1;
|
|
aiov.iov_base = &wsevt;
|
|
aiov.iov_len = sizeof(wsevt);
|
|
auio.uio_resid = sizeof(wsevt);
|
|
auio.uio_offset = 0;
|
|
auio.uio_segflg = UIO_SYSSPACE;
|
|
auio.uio_rw = UIO_READ;
|
|
auio.uio_procp = NULL;
|
|
|
|
if ((error = (wsmux->d_read)(dev, &auio, 0)) != 0) {
|
|
#ifdef DEBUG_DARWIN
|
|
printf("iohidsystem: read error %d\n", error);
|
|
#endif
|
|
goto out1;
|
|
}
|
|
|
|
diei = &evg->evg_evqueue[evg->evg_event_last];
|
|
while (diei->diei_sem != 0)
|
|
tsleep((void *)&diei->diei_sem, PZERO, "iohid_lock", 1);
|
|
|
|
/*
|
|
* No need to take the lock since we will not
|
|
* yield control to the user process.
|
|
*/
|
|
|
|
diei->diei_next = evg->evg_event_tail;
|
|
|
|
diei = &evg->evg_evqueue[evg->evg_event_tail];
|
|
die = (darwin_iohidsystem_event *)&diei->diei_event;
|
|
|
|
darwin_wscons_to_iohidsystem(&wsevt, die);
|
|
|
|
evg->evg_event_last = evg->evg_event_tail;
|
|
evg->evg_event_tail++;
|
|
if (evg->evg_event_tail == DARWIN_IOHIDSYSTEM_EVENTQUEUE_LEN)
|
|
evg->evg_event_tail = 0;
|
|
|
|
/*
|
|
* Send a I/O notification if the process
|
|
* has consumed all available entries
|
|
*/
|
|
if (evg->evg_event_last == evg->evg_event_head) {
|
|
mr = darwin_iohidsystem_devclass.mid_notify;
|
|
if (mr != NULL)
|
|
mach_notify_iohidsystem(l, mr);
|
|
}
|
|
|
|
|
|
/*
|
|
* If the queue is full, ie: the next event slot is not
|
|
* yet consumed, sleep until the process consumes it.
|
|
*/
|
|
diei = &evg->evg_evqueue[evg->evg_event_tail];
|
|
die = (darwin_iohidsystem_event *)&diei->diei_event;
|
|
while (die->die_type != 0)
|
|
tsleep((void *)&die->die_type, PZERO, "iohid_full", 1);
|
|
|
|
}
|
|
|
|
out1:
|
|
(wsmux->d_close)(dev, FREAD|FWRITE, 0, p);
|
|
|
|
out2:
|
|
while (!finished)
|
|
tsleep((void *)&finished, PZERO, "iohid_exit", 0);
|
|
|
|
uao_detach(darwin_iohidsystem_shmem);
|
|
darwin_iohidsystem_shmem = NULL;
|
|
kthread_exit(error);
|
|
/* NOTREACHED */
|
|
};
|
|
|
|
static void
|
|
darwin_iohidsystem_shmeminit(kvaddr)
|
|
vaddr_t kvaddr;
|
|
{
|
|
struct darwin_iohidsystem_shmem *shmem;
|
|
struct darwin_iohidsystem_evglobals *evglobals;
|
|
int i;
|
|
|
|
shmem = (struct darwin_iohidsystem_shmem *)kvaddr;
|
|
shmem->dis_global_offset =
|
|
(size_t)&shmem->dis_evglobals - (size_t)&shmem->dis_global_offset;
|
|
shmem->dis_private_offset =
|
|
shmem->dis_global_offset + sizeof(*evglobals);
|
|
|
|
evglobals = &shmem->dis_evglobals;
|
|
evglobals->evg_struct_size = sizeof(*evglobals);
|
|
|
|
for (i = 0; i < DARWIN_IOHIDSYSTEM_EVENTQUEUE_LEN; i++)
|
|
evglobals->evg_evqueue[i].diei_next = i + 1;
|
|
evglobals->
|
|
evg_evqueue[DARWIN_IOHIDSYSTEM_EVENTQUEUE_LEN - 1].diei_next = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
darwin_findwsmux(dev, mux)
|
|
dev_t *dev;
|
|
int mux;
|
|
{
|
|
struct wsmux_softc *wsm_sc;
|
|
int minor, major;
|
|
|
|
if ((wsm_sc = wsmux_getmux(mux)) == NULL)
|
|
return ENODEV;
|
|
|
|
major = cdevsw_lookup_major(&wsmux_cdevsw);
|
|
minor = wsm_sc->sc_base.me_dv.dv_unit;
|
|
*dev = makedev(major, minor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
darwin_wscons_to_iohidsystem(wsevt, hidevt)
|
|
struct wscons_event *wsevt;
|
|
darwin_iohidsystem_event *hidevt;
|
|
{
|
|
struct timeval tv;
|
|
static int px = 0; /* Previous mouse location */
|
|
static int py = 0;
|
|
static int pf = 0; /* previous kbd flags */
|
|
|
|
microtime(&tv);
|
|
(void)memset((void *)hidevt, 0, sizeof(*hidevt));
|
|
hidevt->die_time_hi = tv.tv_sec;
|
|
hidevt->die_time_lo = tv.tv_usec;
|
|
hidevt->die_location_x = px;
|
|
hidevt->die_location_y = py;
|
|
hidevt->die_flags = pf;
|
|
|
|
switch (wsevt->type) {
|
|
case WSCONS_EVENT_MOUSE_DELTA_X:
|
|
hidevt->die_type = DARWIN_NX_MOUSEMOVED;
|
|
px += wsevt->value;
|
|
hidevt->die_data.mouse_move.dx = wsevt->value;
|
|
hidevt->die_location_x = px;
|
|
break;
|
|
|
|
case WSCONS_EVENT_MOUSE_DELTA_Y:
|
|
hidevt->die_type = DARWIN_NX_MOUSEMOVED;
|
|
py -= wsevt->value;
|
|
hidevt->die_data.mouse_move.dy = wsevt->value;
|
|
hidevt->die_location_y = py;
|
|
break;
|
|
|
|
case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
|
|
hidevt->die_type = DARWIN_NX_MOUSEMOVED;
|
|
hidevt->die_location_x = wsevt->value;
|
|
px = wsevt->value;
|
|
break;
|
|
|
|
case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
|
|
hidevt->die_type = DARWIN_NX_MOUSEMOVED;
|
|
hidevt->die_location_y = wsevt->value;
|
|
py = wsevt->value;
|
|
break;
|
|
|
|
case WSCONS_EVENT_MOUSE_DOWN:
|
|
if (wsevt->value == 0)
|
|
hidevt->die_type = DARWIN_NX_LMOUSEDOWN;
|
|
else if (wsevt->value == 1)
|
|
hidevt->die_type = DARWIN_NX_RMOUSEDOWN;
|
|
else {
|
|
#ifdef DEBUG_DARWIN
|
|
printf("Unknown mouse button %d\n", wsevt->value);
|
|
#endif
|
|
break;
|
|
}
|
|
hidevt->die_data.mouse.subx = px;
|
|
hidevt->die_data.mouse.suby = py;
|
|
hidevt->die_data.mouse.buttonid = wsevt->value;
|
|
break;
|
|
|
|
case WSCONS_EVENT_MOUSE_UP:
|
|
if (wsevt->value == 0)
|
|
hidevt->die_type = DARWIN_NX_LMOUSEUP;
|
|
else if (wsevt->value == 1)
|
|
hidevt->die_type = DARWIN_NX_RMOUSEUP;
|
|
else {
|
|
#ifdef DEBUG_DARWIN
|
|
printf("Unknown mouse button %d\n", wsevt->value);
|
|
#endif
|
|
break;
|
|
}
|
|
hidevt->die_data.mouse.subx = px;
|
|
hidevt->die_data.mouse.suby = py;
|
|
hidevt->die_data.mouse.buttonid = wsevt->value;
|
|
break;
|
|
|
|
case WSCONS_EVENT_KEY_DOWN:
|
|
hidevt->die_type = DARWIN_NX_KEYDOWN;
|
|
hidevt->die_data.key.charset = wsevt->value;
|
|
hidevt->die_data.key.charcode = wsevt->value;
|
|
hidevt->die_data.key.orig_charcode = wsevt->value;
|
|
hidevt->die_data.key.keycode = wsevt->value; /* Translate */
|
|
hidevt->die_data.key.keyboardtype = 0xcd; /* XXX */
|
|
break;
|
|
|
|
case WSCONS_EVENT_KEY_UP:
|
|
hidevt->die_type = DARWIN_NX_KEYUP;
|
|
hidevt->die_data.key.charset = wsevt->value;
|
|
hidevt->die_data.key.charcode = wsevt->value;
|
|
hidevt->die_data.key.orig_charcode = wsevt->value;
|
|
hidevt->die_data.key.keycode = wsevt->value; /* Translate */
|
|
hidevt->die_data.key.keyboardtype = 0xcd; /* XXX */
|
|
break;
|
|
|
|
default:
|
|
|
|
#ifdef DEBUG_DARWIN
|
|
printf("Untranslated wsevt->type = %d, wsevt->value = %d\n",
|
|
wsevt->type, wsevt->value);
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
mach_notify_iohidsystem(l, mr)
|
|
struct lwp *l;
|
|
struct mach_right *mr;
|
|
{
|
|
struct mach_port *mp;
|
|
mach_notify_iohidsystem_request_t *req;
|
|
|
|
mp = mr->mr_port;
|
|
|
|
#ifdef DEBUG_MACH
|
|
if (mp == NULL) {
|
|
printf("Warning: notification right without a port\n");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
req = malloc(sizeof(*req), M_EMULDATA, M_WAITOK | M_ZERO);
|
|
|
|
req->req_msgh.msgh_bits =
|
|
MACH_MSGH_REPLY_LOCAL_BITS(MACH_MSG_TYPE_MOVE_SEND_ONCE);
|
|
req->req_msgh.msgh_size = sizeof(*req) - sizeof(req->req_trailer);
|
|
req->req_msgh.msgh_local_port = mr->mr_name;
|
|
req->req_msgh.msgh_id = 0;
|
|
|
|
mach_set_trailer(req, sizeof(*req));
|
|
|
|
#ifdef KTRACE
|
|
if (KTRPOINT(l->l_proc, KTR_USER))
|
|
ktruser(l->l_proc, "notify_iohidsystem", NULL, 0, 0);
|
|
#endif
|
|
|
|
mr->mr_refcount++;
|
|
|
|
/*
|
|
* Call mach_message_get with a NULL lwp: the message is sent
|
|
* by the kernel, not a userprocess. If we do not do that,
|
|
* we crash because iohidsystem thread has p->p_emuldata == NULL.
|
|
*/
|
|
mach_message_get((mach_msg_header_t *)req, sizeof(*req), mp, NULL);
|
|
#ifdef DEBUG_MACH_MSG
|
|
printf("pid %d: message queued on port %p (%d) [%p]\n",
|
|
l->l_proc->p_pid, mp, req->req_msgh.msgh_id,
|
|
mp->mp_recv->mr_sethead);
|
|
#endif
|
|
wakeup(mp->mp_recv->mr_sethead);
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
darwin_iohidsystem_postfake(p)
|
|
struct proc *p;
|
|
{
|
|
const struct cdevsw *wsmux;
|
|
dev_t dev;
|
|
int error;
|
|
struct wscons_event wsevt;
|
|
|
|
/*
|
|
* Use the wsmux given by sysctl emul.darwin.iohidsystem_mux
|
|
*/
|
|
if ((error = darwin_findwsmux(&dev, darwin_iohidsystem_mux)) != 0)
|
|
return;
|
|
|
|
if ((wsmux = cdevsw_lookup(dev)) == NULL)
|
|
return;
|
|
|
|
wsevt.type = 0;
|
|
wsevt.value = 0;
|
|
(wsmux->d_ioctl)(dev, WSMUXIO_INJECTEVENT, (caddr_t)&wsevt, 0, p);
|
|
|
|
return;
|
|
}
|