[Midnightbsd-cvs] src [10100] trunk/sys/dev/lindev: add lindev
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sun May 27 19:38:51 EDT 2018
Revision: 10100
http://svnweb.midnightbsd.org/src/?rev=10100
Author: laffer1
Date: 2018-05-27 19:38:50 -0400 (Sun, 27 May 2018)
Log Message:
-----------
add lindev
Added Paths:
-----------
trunk/sys/dev/lindev/
trunk/sys/dev/lindev/full.c
trunk/sys/dev/lindev/lindev.c
trunk/sys/dev/lindev/lindev.h
Added: trunk/sys/dev/lindev/full.c
===================================================================
--- trunk/sys/dev/lindev/full.c (rev 0)
+++ trunk/sys/dev/lindev/full.c 2018-05-27 23:38:50 UTC (rev 10100)
@@ -0,0 +1,104 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2009 Ed Schouten <ed at 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: stable/10/sys/dev/lindev/full.c 197518 2009-09-26 12:45:28Z bz $");
+
+#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);
+}
+
Property changes on: trunk/sys/dev/lindev/full.c
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Added: trunk/sys/dev/lindev/lindev.c
===================================================================
--- trunk/sys/dev/lindev/lindev.c (rev 0)
+++ trunk/sys/dev/lindev/lindev.c 2018-05-27 23:38:50 UTC (rev 10100)
@@ -0,0 +1,74 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2009 "Bjoern A. Zeeb" <bz at 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.
+ */
+
+/*
+ * "lindev" is supposed to be a collection of linux-specific devices
+ * that we also support, just not by default.
+ * While currently there is only "/dev/full", we are planning to see
+ * more in the future.
+ * This file is only the container to load/unload all supported devices;
+ * the implementation of each should go into its own file.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: stable/10/sys/dev/lindev/lindev.c 197518 2009-09-26 12:45:28Z bz $");
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+
+#include <dev/lindev/lindev.h>
+
+/* ARGSUSED */
+static int
+lindev_modevent(module_t mod, int type, void *data)
+{
+ int error;
+
+ switch(type) {
+ case MOD_LOAD:
+ error = lindev_modevent_full(mod, type, data);
+ break;
+
+ case MOD_UNLOAD:
+ error = lindev_modevent_full(mod, type, data);
+ break;
+
+ case MOD_SHUTDOWN:
+ error = lindev_modevent_full(mod, type, data);
+ break;
+
+ default:
+ return (EOPNOTSUPP);
+ }
+
+ return (error);
+}
+
+DEV_MODULE(lindev, lindev_modevent, NULL);
+MODULE_VERSION(lindev, 1);
Property changes on: trunk/sys/dev/lindev/lindev.c
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Added: trunk/sys/dev/lindev/lindev.h
===================================================================
--- trunk/sys/dev/lindev/lindev.h (rev 0)
+++ trunk/sys/dev/lindev/lindev.h 2018-05-27 23:38:50 UTC (rev 10100)
@@ -0,0 +1,35 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2009 "Bjoern A. Zeeb" <bz at 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.
+ *
+ * $FreeBSD: stable/10/sys/dev/lindev/lindev.h 197518 2009-09-26 12:45:28Z bz $
+ */
+
+#ifndef _DEV_LINDEV_LINDEV_H
+#define _DEV_LINDEV_LINDEV_H
+
+int lindev_modevent_full(module_t, int, void *);
+
+#endif /* _DEV_LINDEV_LINDEV_H */
Property changes on: trunk/sys/dev/lindev/lindev.h
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
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