/* $NetBSD: darwin_iohidsystem.c,v 1.43 2008/04/28 20:23:41 martin Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Emmanuel Dreyfus. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: darwin_iohidsystem.c,v 1.43 2008/04/28 20:23:41 martin Exp $"); #include "ioconf.h" #include "wsmux.h" #include <sys/types.h> #include <sys/param.h> #include <sys/systm.h> #include <sys/malloc.h> #include <sys/fcntl.h> #include <sys/uio.h> #include <sys/select.h> #include <sys/signal.h> #include <sys/mount.h> #include <sys/proc.h> #include <sys/conf.h> #include <sys/device.h> #include <sys/kthread.h> #include <sys/ktrace.h> #include <dev/wscons/wsconsio.h> #include <dev/wscons/wseventvar.h> #include <dev/wscons/wsmuxvar.h> #include <uvm/uvm_extern.h> #include <uvm/uvm_map.h> #include <uvm/uvm.h> #include <compat/mach/mach_types.h> #include <compat/mach/mach_message.h> #include <compat/mach/mach_port.h> #include <compat/mach/mach_errno.h> #include <compat/mach/mach_iokit.h> #include <compat/darwin/darwin_exec.h> #include <compat/darwin/darwin_iokit.h> #include <compat/darwin/darwin_sysctl.h> #include <compat/darwin/darwin_iohidsystem.h> static struct uvm_object *darwin_iohidsystem_shmem = NULL; static void darwin_iohidsystem_shmeminit(vaddr_t); static void darwin_iohidsystem_thread(void *); static int darwin_findwsmux(dev_t *, int); static void darwin_wscons_to_iohidsystem (struct wscons_event *, darwin_iohidsystem_event *); static void mach_notify_iohidsystem(struct lwp *, struct mach_right *); struct darwin_iohidsystem_thread_args { vaddr_t dita_shmem; struct lwp *dita_l; int dita_done; int *dita_hidsystem_finished; }; 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>"; 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>"; 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>"; 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>"; struct mach_iokit_devclass darwin_iokbd_devclass = { "(unknown)", { &mach_ioroot_devclass, NULL }, darwin_iokbd_properties, NULL, NULL, NULL, NULL, NULL, NULL, "AppleADBKeyboard", NULL, }; struct mach_iokit_devclass darwin_iomouse_devclass = { "(unknown)", { &mach_ioroot_devclass, NULL }, darwin_iomouse_properties, NULL, NULL, NULL, NULL, NULL, NULL, "AppleADBMouse", NULL, }; struct mach_iokit_devclass darwin_ioresources_devclass = { "(unknown)", { &mach_ioroot_devclass, NULL }, darwin_ioresources_properties, NULL, NULL, NULL, NULL, NULL, NULL, "IOResources", NULL, }; struct mach_iokit_devclass darwin_iohidsystem_devclass = { "<dict ID=\"0\"><key>IOProviderClass</key>" "<string ID=\"1\">IOHIDSystem</string></dict>", { &darwin_ioresources_devclass, &darwin_iokbd_devclass, &darwin_iomouse_devclass, NULL }, darwin_iohidsystem_properties, NULL, darwin_iohidsystem_connect_method_scalari_scalaro, NULL, darwin_iohidsystem_connect_method_structi_structo, NULL, darwin_iohidsystem_connect_map_memory, "IOHIDSystem", NULL, }; int darwin_iohidsystem_connect_method_scalari_scalaro(struct mach_trap_args *args) { mach_io_connect_method_scalari_scalaro_request_t *req = args->smsg; mach_io_connect_method_scalari_scalaro_reply_t *rep = args->rmsg; size_t *msglen = args->rsize; int maxoutcount; #ifdef DEBUG_DARWIN printf("darwin_iohidsystem_connect_method_scalari_scalaro()\n"); #endif rep->rep_outcount = 0; maxoutcount = req->req_in[req->req_incount]; switch (req->req_selector) { case DARWIN_IOHIDCREATESHMEM: { /* Create the shared memory for HID events */ int vers; int error; size_t memsize; vaddr_t kvaddr; struct proc *p; struct darwin_iohidsystem_thread_args *dita; struct darwin_emuldata *ded; vers = req->req_in[0]; /* 1 */ #ifdef DEBUG_DARWIN printf("DARWIN_IOHIDCREATESHMEM: version = %d\n", vers); #endif memsize = round_page(sizeof(struct darwin_iohidsystem_shmem)); /* If it has not been used yet, initialize it */ if (darwin_iohidsystem_shmem == NULL) { darwin_iohidsystem_shmem = uao_create(memsize, 0); error = uvm_map(kernel_map, &kvaddr, memsize, darwin_iohidsystem_shmem, 0, PAGE_SIZE, UVM_MAPFLAG(UVM_PROT_RW, UVM_PROT_RW, UVM_INH_SHARE, UVM_ADV_RANDOM, 0)); if (error != 0) { uao_detach(darwin_iohidsystem_shmem); darwin_iohidsystem_shmem = NULL; return mach_msg_error(args, error); } error = uvm_map_pageable(kernel_map, kvaddr, kvaddr + memsize, FALSE, 0); if (error != 0) { uao_detach(darwin_iohidsystem_shmem); darwin_iohidsystem_shmem = NULL; return mach_msg_error(args, error); } darwin_iohidsystem_shmeminit(kvaddr); p = args->l->l_proc; ded = (struct darwin_emuldata *)p->p_emuldata; dita = malloc(sizeof(*dita), M_TEMP, M_WAITOK); dita->dita_shmem = kvaddr; dita->dita_done = 0; kthread_create(PRI_NONE, 0, NULL, darwin_iohidsystem_thread, (void *)dita, &dita->dita_l, "iohidsystem"); /* * Make sure the thread got the informations * before exitting and destroying dita. */ while (!dita->dita_done) (void)tsleep(&dita->dita_done, PZERO, "iohid_done", 0); ded->ded_hidsystem_finished = dita->dita_hidsystem_finished; free(dita, M_TEMP); } rep->rep_outcount = 0; break; } case DARWIN_IOHIDSETEVENTSENABLE: { /* Enable or disable events */ int enable; enable = req->req_in[0]; #ifdef DEBUG_DARWIN printf("DARWIN_IOHIDSETEVENTSENABLE: enable = %d\n", enable); #endif /* For now, this is a no-op */ rep->rep_outcount = 0; break; } case DARWIN_IOHIDSETCURSORENABLE: { /* Enable or disable the cursor */ int enable; enable = req->req_in[0]; #ifdef DEBUG_DARWIN printf("DARWIN_IOHIDSETCURSORENABLE: enable = %d\n", enable); #endif /* We don't support it */ rep->rep_outcount = 0; break; } case DARWIN_IOHIDPOSTEVENT: { darwin_nxll_event *dne; dne = (darwin_nxll_event *)&req->req_in[0]; #ifdef DEBUG_DARWIN printf("DARWIN_IOHIDPOSTEVENT: setcursor = %d, type = %d, " " location = (%d, %d), setflags = %x, flags = %x\n", dne->dne_setcursor, dne->dne_type, dne->dne_location.x, dne->dne_location.y, dne->dne_setflags, dne->dne_flags); #endif /* We don't support it yet */ 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) - ((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(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 lwp *l = args->l; 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; 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); wsevt.type = WSCONS_EVENT_MOUSE_ABSOLUTE_X; wsevt.value = pt->x; if ((error = cdev_ioctl(dev, WSMUXIO_INJECTEVENT, (void *)&wsevt, 0, l)) != 0) return mach_msg_error(args, error); wsevt.type = WSCONS_EVENT_MOUSE_ABSOLUTE_Y; wsevt.value = pt->y; if ((error = cdev_ioctl(dev, WSMUXIO_INJECTEVENT, (void *)&wsevt, 0, l)) != 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(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(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; struct uio auio; struct iovec aiov; struct wscons_event wsevt; 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; l = dita->dita_l; 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 ((error = cdev_open(dev, FREAD|FWRITE, 0, l)) != 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_rw = UIO_READ; UIO_SETUP_SYSSPACE(&auio); if ((error = cdev_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(&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(&die->die_type, PZERO, "iohid_full", 1); } out1: cdev_close(dev, FREAD|FWRITE, 0, l); 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(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_t *dev, int mux) { extern struct cdevsw wsmux_cdevsw; struct wsmux_softc *wsm_sc; int minor, major; if ((wsm_sc = wsmux_getmux(mux)) == NULL) return ENODEV; major = cdevsw_lookup_major(&wsmux_cdevsw); minor = device_unit(wsm_sc->sc_base.me_dv); *dev = makedev(major, minor); return 0; } static void darwin_wscons_to_iohidsystem(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(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(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)); ktruser("notify_iohidsystem", NULL, 0, 0); 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(struct lwp *l) { 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; wsevt.type = 0; wsevt.value = 0; cdev_ioctl(dev, WSMUXIO_INJECTEVENT, (void *)&wsevt, 0, l); return; }