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Add initial version of RUMP based device-mapper port. libdm compile whole 

device-mapper driver in userspace and allows us to test a develop new dm targets
in userspace.
This commit is contained in:
haad 2009-12-04 22:13:59 +00:00
parent 63d5a98148
commit 1d798011f9
6 changed files with 99 additions and 5 deletions
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4
sys/rump/dev/Makefile.rumpdev
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@ -1,7 +1,7 @@
# $NetBSD: Makefile.rumpdev,v 1.5 2009/10/11 11:26:40 pooka Exp $
# $NetBSD: Makefile.rumpdev,v 1.6 2009/12/04 22:13:59 haad Exp $
#
RUMPDEVLIST= cgd disk netsmb raidframe rnd
RUMPDEVLIST= cgd disk netsmb raidframe rnd dm
.for var in ${RUMPDEVLIST}
RUMPDEVLIBS+=lib${var}

19
sys/rump/dev/lib/libdm/Makefile Normal file
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@ -0,0 +1,19 @@
# $NetBSD: Makefile,v 1.1 2009/12/04 22:13:59 haad Exp $
#
.PATH: ${.CURDIR}/../../../../dev/dm
LIB= rumpdev_dm
SRCS= device-mapper.c dm_dev.c dm_ioctl.c dm_pdev.c dm_table.c dm_target.c \
dm_target_linear.c dm_target_stripe.c
SRCS+= component.c
CPPFLAGS+= -Wno-pointer-sign
CPPFLAGS+= -I${RUMPTOP}/librump/rumpvfs
LDADD+= -lrumpvfs
.include <bsd.lib.mk>
.include <bsd.klinks.mk>

68
sys/rump/dev/lib/libdm/component.c Normal file
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@ -0,0 +1,68 @@
/* $NetBSD: component.c,v 1.1 2009/12/04 22:13:59 haad Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. 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 ``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>
__KERNEL_RCSID(0, "$NetBSD: component.c,v 1.1 2009/12/04 22:13:59 haad Exp $");
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/vfs_syscalls.h>
#include "rump_dev_private.h"
#include "rump_vfs_private.h"
void dmattach(int);
void
rump_dev_dm_init()
{
extern const struct bdevsw dm_bdevsw;
extern const struct cdevsw dm_cdevsw;
devmajor_t bmaj, cmaj;
int error;
/* go, mydevfs */
bmaj = cmaj = -1;
if ((error = devsw_attach("dm", &dm_bdevsw, &bmaj,
&dm_cdevsw, &cmaj)) != 0)
panic("cannot attach dm: %d", error);
do_sys_mkdir("/dev/mapper", 0770, UIO_SYSSPACE);
if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/mapper/control", 0,
cmaj, 0, 1)) != 0) {
panic("cannot create device-mapper control device: %d", error);
}
rump_pdev_add(dmattach, 1);
}

4
sys/rump/dev/lib/libdm/shlib_version Normal file
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@ -0,0 +1,4 @@
# $NetBSD: shlib_version,v 1.1 2009/12/04 22:13:59 haad Exp $
#
major=0
minor=0

6
sys/rump/librump/rumpdev/rump_dev.c
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@ -1,4 +1,4 @@
/* $NetBSD: rump_dev.c,v 1.8 2009/10/10 21:10:04 pooka Exp $ */
/* $NetBSD: rump_dev.c,v 1.9 2009/12/04 22:13:59 haad Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.8 2009/10/10 21:10:04 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.9 2009/12/04 22:13:59 haad Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -36,6 +36,7 @@ __KERNEL_RCSID(0, "$NetBSD: rump_dev.c,v 1.8 2009/10/10 21:10:04 pooka Exp $");
void nocomponent(void);
void nocomponent() {}
__weak_alias(rump_dev_cgd_init,nocomponent);
__weak_alias(rump_dev_dm_init,nocomponent);
__weak_alias(rump_dev_raidframe_init,nocomponent);
__weak_alias(rump_dev_netsmb_init,nocomponent);
__weak_alias(rump_dev_rnd_init,nocomponent);
@ -55,6 +56,7 @@ rump_dev_init(void)
config_init_mi();
rump_dev_cgd_init();
rump_dev_dm_init();
rump_dev_raidframe_init();
rump_dev_netsmb_init();
rump_dev_rnd_init();

3
sys/rump/librump/rumpdev/rump_dev_private.h
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@ -1,4 +1,4 @@
/* $NetBSD: rump_dev_private.h,v 1.6 2009/10/03 19:06:36 pooka Exp $ */
/* $NetBSD: rump_dev_private.h,v 1.7 2009/12/04 22:13:59 haad Exp $ */
/*
* Copyright (c) 2009 Antti Kantee. All Rights Reserved.
@ -34,6 +34,7 @@ void rump_pdev_add(void (*fn)(int), int);
void rump_pdev_finalize(void);
void rump_dev_cgd_init(void);
void rump_dev_dm_init(void);
void rump_dev_raidframe_init(void);
void rump_dev_netsmb_init(void);
void rump_dev_rnd_init(void);