/* $NetBSD: linux_module.c,v 1.2 2014/03/18 18:20:43 riastradh Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Taylor R. Campbell. * * 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 __KERNEL_RCSID(0, "$NetBSD: linux_module.c,v 1.2 2014/03/18 18:20:43 riastradh Exp $"); #include #include #include #include MODULE(MODULE_CLASS_MISC, drmkms_linux, NULL); #ifndef _MODULE /* * XXX Mega-kludge. See drm_init in drm_drv.c for details. */ int linux_suppress_init = 0; #endif static int drmkms_linux_modcmd(modcmd_t cmd, void *arg __unused) { int error; switch (cmd) { case MODULE_CMD_INIT: #ifndef _MODULE if (linux_suppress_init) return 0; #endif error = linux_kmap_init(); if (error) { aprint_error("drmkms_linux:" " unable to initialize linux kmap: %d", error); goto init_fail0; } error = linux_workqueue_init(); if (error) { aprint_error("drmkms_linux:" " unable to initialize workqueues: %d", error); goto init_fail1; } return 0; init_fail1: linux_kmap_fini(); init_fail0: return error; case MODULE_CMD_FINI: linux_workqueue_fini(); linux_kmap_fini(); return 0; default: return ENOTTY; } }