diff options
Diffstat (limited to 'sys/dev/lindev/full.c')
-rw-r--r-- | sys/dev/lindev/full.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/sys/dev/lindev/full.c b/sys/dev/lindev/full.c deleted file mode 100644 index 294094c..0000000 --- a/sys/dev/lindev/full.c +++ /dev/null @@ -1,103 +0,0 @@ -/*- - * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> - * All rights reserved. - * - * 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 AUTHOR 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 AUTHOR 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> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/conf.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/module.h> -#include <sys/systm.h> -#include <sys/uio.h> - -#include <dev/lindev/lindev.h> - -static struct cdev *full_dev; - -static d_read_t full_read; -static d_write_t full_write; - -static struct cdevsw full_cdevsw = { - .d_version = D_VERSION, - .d_read = full_read, - .d_write = full_write, - .d_name = "full", -}; - -static void *zbuf; - -/* ARGSUSED */ -static int -full_read(struct cdev *dev __unused, struct uio *uio, int flags __unused) -{ - int error = 0; - - while (uio->uio_resid > 0 && error == 0) - error = uiomove(zbuf, MIN(uio->uio_resid, PAGE_SIZE), uio); - - return (error); -} - -/* ARGSUSED */ -static int -full_write(struct cdev *dev __unused, struct uio *uio __unused, - int flags __unused) -{ - - return (ENOSPC); -} - -/* ARGSUSED */ -int -lindev_modevent_full(module_t mod __unused, int type, void *data __unused) -{ - - switch(type) { - case MOD_LOAD: - zbuf = (void *)malloc(PAGE_SIZE, M_TEMP, M_WAITOK | M_ZERO); - full_dev = make_dev(&full_cdevsw, 0, UID_ROOT, GID_WHEEL, - 0666, "full"); - if (bootverbose) - printf("full: <full device>\n"); - break; - - case MOD_UNLOAD: - destroy_dev(full_dev); - free(zbuf, M_TEMP); - break; - - case MOD_SHUTDOWN: - break; - - default: - return (EOPNOTSUPP); - } - - return (0); -} - |