Make md(4) and mdconfig(8) take over the role of vn(4) and vnconfig(8)
entirely as previously advertised. md(4) adopted all assets of vn(4) some time back and has proper devfs support and cloning abilities to boot.
This commit is contained in:
parent
a30d010c86
commit
e10469fef8
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=74047
@ -2,7 +2,6 @@
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PROG= mdconfig
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PROG= mdconfig
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MAN8= mdconfig.8
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MAN8= mdconfig.8
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#CFLAGS+= -g -static -Wall
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MLINKS= mdconfig.8 vnconfig.8
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#MLINKS= mdconfig.8 swapfile.8 mdconfig.8 vnconfig.8
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.include <bsd.prog.mk>
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.include <bsd.prog.mk>
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@ -175,3 +175,18 @@ chmod 1777 /tmp
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.Xr disklabel 8 ,
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.Xr disklabel 8 ,
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.Xr fdisk 8 ,
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.Xr fdisk 8 ,
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.Xr malloc 9
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.Xr malloc 9
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.Sh HISTORY
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The
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.Nm
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first appeared in
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.Fx 5.0
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as a cleaner replacement for the
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.Xr vn 4
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and
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.Xr vnconfig 8
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combo.
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.Sh AUTHORS
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The
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.Nm
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program was written by Poul-Henning Kamp
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.Aq phk@FreeBSD.org .
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@ -145,7 +145,7 @@ MAN4= aac.4 \
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sysmouse.4 \
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sysmouse.4 \
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tap.4 \
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tap.4 \
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tcp.4 \
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tcp.4 \
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tdfx.4 \
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tdfx.4 \
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termios.4 \
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termios.4 \
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ti.4 \
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ti.4 \
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tl.4 \
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tl.4 \
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@ -165,7 +165,6 @@ MAN4= aac.4 \
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uscanner.4 \
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uscanner.4 \
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vga.4 \
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vga.4 \
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vinum.4 \
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vinum.4 \
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vn.4 \
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vpo.4 \
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vpo.4 \
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vr.4 \
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vr.4 \
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wb.4 \
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wb.4 \
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@ -183,6 +182,7 @@ MLINKS+=fd.4 stderr.4 fd.4 stdin.4 fd.4 stdout.4
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MLINKS+=fpa.4 fea.4
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MLINKS+=fpa.4 fea.4
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MLINKS+=ipfirewall.4 ipacct.4 ipfirewall.4 ipaccounting.4 ipfirewall.4 ipfw.4
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MLINKS+=ipfirewall.4 ipacct.4 ipfirewall.4 ipaccounting.4 ipfirewall.4 ipfw.4
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MLINKS+=lp.4 plip.4
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MLINKS+=lp.4 plip.4
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MLINKS+=md.4 vn.4
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MLINKS+=mem.4 kmem.4
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MLINKS+=mem.4 kmem.4
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MLINKS+=netintro.4 networking.4
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MLINKS+=netintro.4 networking.4
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MLINKS+=pcm.4 snd.4
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MLINKS+=pcm.4 snd.4
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@ -701,9 +701,6 @@ options MD_ROOT_SIZE=10
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# images of type mfs_root or md_root.
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# images of type mfs_root or md_root.
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options MD_ROOT
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options MD_ROOT
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# Specify double the default maximum size for malloc(9)-backed md devices.
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options MD_NSECT=40000
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# Allow this many swap-devices.
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# Allow this many swap-devices.
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#
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#
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# In order to manage swap, the system must reserve bitmap space that
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# In order to manage swap, the system must reserve bitmap space that
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@ -970,7 +967,6 @@ options SES_ENABLE_PASSTHROUGH
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device pty #Pseudo ttys
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device pty #Pseudo ttys
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device speaker #Play IBM BASIC-style noises out your speaker
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device speaker #Play IBM BASIC-style noises out your speaker
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device gzip #Exec gzipped a.out's
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device gzip #Exec gzipped a.out's
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device vn #Vnode driver (turns a file into a device)
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device md #Memory/malloc disk
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device md #Memory/malloc disk
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device snp #Snoop device - to look at pty/vty/etc..
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device snp #Snoop device - to look at pty/vty/etc..
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device ccd 4 #Concatenated disk driver
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device ccd 4 #Concatenated disk driver
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@ -558,8 +558,6 @@ dev/vinum/vinumrequest.c optional vinum
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dev/vinum/vinumrevive.c optional vinum
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dev/vinum/vinumrevive.c optional vinum
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dev/vinum/vinumstate.c optional vinum
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dev/vinum/vinumstate.c optional vinum
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dev/vinum/vinumutil.c optional vinum
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dev/vinum/vinumutil.c optional vinum
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dev/vn/vn.c optional vn \
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warning "The vn(4) driver has been deprecated, use md(4) instead"
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dev/vx/if_vx.c optional vx
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dev/vx/if_vx.c optional vx
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dev/vx/if_vx_eisa.c optional vx eisa
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dev/vx/if_vx_eisa.c optional vx eisa
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dev/vx/if_vx_pci.c optional vx pci
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dev/vx/if_vx_pci.c optional vx pci
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@ -60,7 +60,7 @@ chrdev name comments
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40 ctx Cortex
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40 ctx Cortex
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41 ?? was socksys
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41 ?? was socksys
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42 cx Cronyx/Sigma serial adapter
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42 cx Cronyx/Sigma serial adapter
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43 vn vnode "disk" device
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43 vn vnode "disk" device (retired)
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44 gp GPIB
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44 gp GPIB
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45 scd Sony CDROM interface
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45 scd Sony CDROM interface
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46 matcd Matsushita/Panasonic/Creative(SB) CDROM interface
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46 matcd Matsushita/Panasonic/Creative(SB) CDROM interface
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@ -55,7 +55,6 @@ GDB_REMOTE_CHAT opt_ddb.h
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DEVFS
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DEVFS
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HW_WDOG
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HW_WDOG
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KTRACE
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KTRACE
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MD_NSECT opt_md.h
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MD_ROOT opt_md.h
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MD_ROOT opt_md.h
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MD_ROOT_SIZE opt_md.h
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MD_ROOT_SIZE opt_md.h
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MFS_ROOT opt_mfs.h
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MFS_ROOT opt_mfs.h
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@ -701,9 +701,6 @@ options MD_ROOT_SIZE=10
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# images of type mfs_root or md_root.
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# images of type mfs_root or md_root.
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options MD_ROOT
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options MD_ROOT
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# Specify double the default maximum size for malloc(9)-backed md devices.
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options MD_NSECT=40000
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# Allow this many swap-devices.
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# Allow this many swap-devices.
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#
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#
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# In order to manage swap, the system must reserve bitmap space that
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# In order to manage swap, the system must reserve bitmap space that
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@ -970,7 +967,6 @@ options SES_ENABLE_PASSTHROUGH
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device pty #Pseudo ttys
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device pty #Pseudo ttys
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device speaker #Play IBM BASIC-style noises out your speaker
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device speaker #Play IBM BASIC-style noises out your speaker
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device gzip #Exec gzipped a.out's
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device gzip #Exec gzipped a.out's
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device vn #Vnode driver (turns a file into a device)
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device md #Memory/malloc disk
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device md #Memory/malloc disk
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device snp #Snoop device - to look at pty/vty/etc..
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device snp #Snoop device - to look at pty/vty/etc..
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device ccd 4 #Concatenated disk driver
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device ccd 4 #Concatenated disk driver
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@ -1,7 +1,6 @@
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# $FreeBSD$
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# $FreeBSD$
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PROG= vnconfig
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PROG= vnconfig
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MAN8= vnconfig.8
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NOMAN= "mdconfig supplies manpage"
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MLINKS= vnconfig.8 swapfile.8
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.include <bsd.prog.mk>
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.include <bsd.prog.mk>
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@ -1,625 +1,22 @@
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/*
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/*
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* Copyright (c) 1993 University of Utah.
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* ----------------------------------------------------------------------------
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* Copyright (c) 1990, 1993
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* "THE BEER-WARE LICENSE" (Revision 42):
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* The Regents of the University of California. All rights reserved.
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* <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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*
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* This code is derived from software contributed to Berkeley by
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* $FreeBSD$
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* the Systems Programming Group of the University of Utah Computer
|
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* Science Department.
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*
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*
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* Redistribution and use in source and binary forms, with or without
|
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||||||
* modification, are permitted provided that the following conditions
|
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||||||
* are met:
|
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||||||
* 1. Redistributions of source code must retain the above copyright
|
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||||||
* notice, this list of conditions and the following disclaimer.
|
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||||||
* 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.
|
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||||||
* 3. All advertising materials mentioning features or use of this software
|
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||||||
* must display the following acknowledgement:
|
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||||||
* This product includes software developed by the University of
|
|
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* California, Berkeley and its contributors.
|
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* 4. Neither the name of the University nor the names of its contributors
|
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||||||
* may be used to endorse or promote products derived from this software
|
|
||||||
* without specific prior written permission.
|
|
||||||
*
|
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||||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
|
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||||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
||||||
* SUCH DAMAGE.
|
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||||||
*
|
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||||||
* from: Utah $Hdr: vnconfig.c 1.1 93/12/15$
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*/
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*/
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)vnconfig.c 8.1 (Berkeley) 12/15/93";
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#endif
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||||||
static const char rcsid[] =
|
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||||||
"$FreeBSD$";
|
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||||||
#endif /* not lint */
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||||||
|
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||||||
#include <ctype.h>
|
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||||||
#include <err.h>
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||||||
#include <errno.h>
|
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||||||
#include <paths.h>
|
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||||||
#include <stdio.h>
|
#include <stdio.h>
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#include <stdlib.h>
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||||||
#include <fcntl.h>
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||||||
#include <string.h>
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||||||
#include <unistd.h>
|
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||||||
#include <sys/param.h>
|
|
||||||
#include <sys/ioctl.h>
|
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||||||
#include <sys/linker.h>
|
|
||||||
#include <sys/mount.h>
|
|
||||||
#include <sys/module.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <sys/vnioctl.h>
|
|
||||||
#include <ufs/ufs/ufsmount.h>
|
|
||||||
|
|
||||||
#define MAXVNDISK 16
|
|
||||||
#define LINESIZE 1024
|
|
||||||
#define ZBUFSIZE 32768
|
|
||||||
|
|
||||||
struct vndisk {
|
|
||||||
char *dev;
|
|
||||||
char *file;
|
|
||||||
char *autolabel;
|
|
||||||
int flags;
|
|
||||||
int size;
|
|
||||||
char *oarg;
|
|
||||||
} vndisks[MAXVNDISK];
|
|
||||||
|
|
||||||
#define VN_CONFIG 0x01
|
|
||||||
#define VN_UNCONFIG 0x02
|
|
||||||
#define VN_ENABLE 0x04
|
|
||||||
#define VN_DISABLE 0x08
|
|
||||||
#define VN_SWAP 0x10
|
|
||||||
#define VN_MOUNTRO 0x20
|
|
||||||
#define VN_MOUNTRW 0x40
|
|
||||||
#define VN_IGNORE 0x80
|
|
||||||
#define VN_SET 0x100
|
|
||||||
#define VN_RESET 0x200
|
|
||||||
#define VN_TRUNCATE 0x400
|
|
||||||
#define VN_ZERO 0x800
|
|
||||||
|
|
||||||
int nvndisks;
|
|
||||||
|
|
||||||
int all = 0;
|
|
||||||
int verbose = 0;
|
|
||||||
int global = 0;
|
|
||||||
u_long setopt = 0;
|
|
||||||
u_long resetopt = 0;
|
|
||||||
char *configfile;
|
|
||||||
|
|
||||||
int config __P((struct vndisk *));
|
|
||||||
void getoptions __P((struct vndisk *, char *));
|
|
||||||
void readconfig __P((int));
|
|
||||||
static void usage __P((void));
|
|
||||||
static int getsize(const char *arg);
|
|
||||||
static void do_autolabel(const char *dev, const char *label);
|
|
||||||
int what_opt __P((char *, u_long *));
|
|
||||||
|
|
||||||
int
|
int
|
||||||
main(argc, argv)
|
main(int argc, char **argv)
|
||||||
char **argv;
|
|
||||||
{
|
{
|
||||||
register int i, rv;
|
|
||||||
int flags = 0;
|
|
||||||
int size = 0;
|
|
||||||
char *autolabel = NULL;
|
|
||||||
char *s;
|
|
||||||
|
|
||||||
fprintf(stderr,
|
fprintf(stderr, "ERROR: vnconfig(8) has been discontinued\n");
|
||||||
"WARNING: vnconfig and the vn driver is being phased out.\n"
|
fprintf(stderr, "\tPlease used mdconfig(8).\n");
|
||||||
"WARNING: You should use mdconfig and the md driver instead.\n"
|
exit (1);
|
||||||
"WARNING: Continuing in 15 seconds...\n");
|
|
||||||
sleep(15);
|
|
||||||
|
|
||||||
configfile = _PATH_VNTAB;
|
|
||||||
while ((i = getopt(argc, argv, "acdef:gr:s:S:TZL:uv")) != -1)
|
|
||||||
switch (i) {
|
|
||||||
|
|
||||||
/* all -- use config file */
|
|
||||||
case 'a':
|
|
||||||
all++;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* configure */
|
|
||||||
case 'c':
|
|
||||||
flags |= VN_CONFIG;
|
|
||||||
flags &= ~VN_UNCONFIG;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* disable */
|
|
||||||
case 'd':
|
|
||||||
flags |= VN_DISABLE;
|
|
||||||
flags &= ~VN_ENABLE;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* enable */
|
|
||||||
case 'e':
|
|
||||||
flags |= (VN_ENABLE|VN_CONFIG);
|
|
||||||
flags &= ~(VN_DISABLE|VN_UNCONFIG);
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* alternate config file */
|
|
||||||
case 'f':
|
|
||||||
configfile = optarg;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* fiddle global options */
|
|
||||||
case 'g':
|
|
||||||
global = 1 - global;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* reset options */
|
|
||||||
case 'r':
|
|
||||||
for (s = strtok(optarg, ","); s; s = strtok(NULL, ",")) {
|
|
||||||
if (what_opt(s, &resetopt))
|
|
||||||
errx(1, "invalid options '%s'", s);
|
|
||||||
}
|
|
||||||
flags |= VN_RESET;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* set options */
|
|
||||||
case 's':
|
|
||||||
for (s = strtok(optarg, ","); s; s = strtok(NULL, ",")) {
|
|
||||||
if (what_opt(s, &setopt))
|
|
||||||
errx(1, "invalid options '%s'", s);
|
|
||||||
}
|
|
||||||
flags |= VN_SET;
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* unconfigure */
|
|
||||||
case 'u':
|
|
||||||
flags |= (VN_DISABLE|VN_UNCONFIG);
|
|
||||||
flags &= ~(VN_ENABLE|VN_CONFIG);
|
|
||||||
break;
|
|
||||||
|
|
||||||
/* verbose */
|
|
||||||
case 'v':
|
|
||||||
verbose++;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 'S':
|
|
||||||
size = getsize(optarg);
|
|
||||||
flags |= VN_CONFIG;
|
|
||||||
flags &= ~VN_UNCONFIG;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 'T':
|
|
||||||
flags |= VN_TRUNCATE;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 'Z':
|
|
||||||
flags |= VN_ZERO;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case 'L':
|
|
||||||
autolabel = optarg;
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
usage();
|
|
||||||
}
|
|
||||||
|
|
||||||
if (modfind("vn") < 0)
|
|
||||||
if (kldload("vn") < 0 || modfind("vn") < 0)
|
|
||||||
warnx( "cannot find or load \"vn\" kernel module");
|
|
||||||
|
|
||||||
if (flags == 0)
|
|
||||||
flags = VN_CONFIG;
|
|
||||||
if (all) {
|
|
||||||
readconfig(flags);
|
|
||||||
} else {
|
|
||||||
if (argc < optind + 1)
|
|
||||||
usage();
|
|
||||||
vndisks[0].dev = argv[optind++];
|
|
||||||
vndisks[0].file = argv[optind++]; /* may be NULL */
|
|
||||||
vndisks[0].flags = flags;
|
|
||||||
vndisks[0].size = size;
|
|
||||||
vndisks[0].autolabel = autolabel;
|
|
||||||
if (optind < argc)
|
|
||||||
getoptions(&vndisks[0], argv[optind]);
|
|
||||||
nvndisks = 1;
|
|
||||||
}
|
|
||||||
rv = 0;
|
|
||||||
for (i = 0; i < nvndisks; i++)
|
|
||||||
rv += config(&vndisks[i]);
|
|
||||||
exit(rv);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
int
|
|
||||||
what_opt(str,p)
|
|
||||||
char *str;
|
|
||||||
u_long *p;
|
|
||||||
{
|
|
||||||
if (!strcmp(str,"reserve")) { *p |= VN_RESERVE; return 0; }
|
|
||||||
if (!strcmp(str,"labels")) { *p |= VN_LABELS; return 0; }
|
|
||||||
if (!strcmp(str,"follow")) { *p |= VN_FOLLOW; return 0; }
|
|
||||||
if (!strcmp(str,"debug")) { *p |= VN_DEBUG; return 0; }
|
|
||||||
if (!strcmp(str,"all")) { *p |= ~0; return 0; }
|
|
||||||
if (!strcmp(str,"none")) { *p |= 0; return 0; }
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
config(vnp)
|
|
||||||
struct vndisk *vnp;
|
|
||||||
{
|
|
||||||
char *dev, *file, *oarg;
|
|
||||||
int flags;
|
|
||||||
struct vn_ioctl vnio;
|
|
||||||
register int rv;
|
|
||||||
char *rdev;
|
|
||||||
FILE *f;
|
|
||||||
u_long l;
|
|
||||||
int pgsize = getpagesize();
|
|
||||||
|
|
||||||
rv = 0;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Prepend "/dev/" to the specified device name, if necessary.
|
|
||||||
* Operate on vnp->dev because it is used later.
|
|
||||||
*/
|
|
||||||
if (vnp->dev[0] != '/' && vnp->dev[0] != '.')
|
|
||||||
(void)asprintf(&vnp->dev, "%s%s", _PATH_DEV, vnp->dev);
|
|
||||||
dev = vnp->dev;
|
|
||||||
file = vnp->file;
|
|
||||||
flags = vnp->flags;
|
|
||||||
oarg = vnp->oarg;
|
|
||||||
|
|
||||||
if (flags & VN_IGNORE)
|
|
||||||
return(0);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* When a regular file has been specified, do any requested setup
|
|
||||||
* of the file. Truncation (also creates the file if necessary),
|
|
||||||
* sizing, and zeroing.
|
|
||||||
*/
|
|
||||||
|
|
||||||
if (file && vnp->size != 0 && (flags & VN_CONFIG)) {
|
|
||||||
int fd;
|
|
||||||
struct stat st;
|
|
||||||
|
|
||||||
if (flags & VN_TRUNCATE)
|
|
||||||
fd = open(file, O_RDWR|O_CREAT|O_TRUNC);
|
|
||||||
else
|
|
||||||
fd = open(file, O_RDWR);
|
|
||||||
if (fd >= 0 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) {
|
|
||||||
if (st.st_size < (off_t)vnp->size * pgsize)
|
|
||||||
ftruncate(fd, (off_t)vnp->size * pgsize);
|
|
||||||
if (vnp->size != 0)
|
|
||||||
st.st_size = (off_t)vnp->size * pgsize;
|
|
||||||
|
|
||||||
if (flags & VN_ZERO) {
|
|
||||||
char *buf = malloc(ZBUFSIZE);
|
|
||||||
bzero(buf, ZBUFSIZE);
|
|
||||||
while (st.st_size > 0) {
|
|
||||||
int n = (st.st_size > ZBUFSIZE) ?
|
|
||||||
ZBUFSIZE : (int)st.st_size;
|
|
||||||
if (write(fd, buf, n) != n) {
|
|
||||||
ftruncate(fd, 0);
|
|
||||||
printf("Unable to ZERO file %s\n", file);
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
st.st_size -= (off_t)n;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
close(fd);
|
|
||||||
} else {
|
|
||||||
printf("Unable to open file %s\n", file);
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
rdev = dev;
|
|
||||||
(void)asprintf(&rdev, "%s.ctl", dev);
|
|
||||||
f = fopen(rdev, "rw");
|
|
||||||
if (f == NULL)
|
|
||||||
f = fopen(dev, "rw");
|
|
||||||
if (f == NULL) {
|
|
||||||
warn("%s", dev);
|
|
||||||
return(1);
|
|
||||||
}
|
|
||||||
vnio.vn_file = file;
|
|
||||||
vnio.vn_size = vnp->size; /* non-zero only if swap backed */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Disable the device
|
|
||||||
*/
|
|
||||||
if (flags & VN_DISABLE) {
|
|
||||||
if (flags & (VN_MOUNTRO|VN_MOUNTRW)) {
|
|
||||||
rv = unmount(oarg, 0);
|
|
||||||
if (rv) {
|
|
||||||
if (errno == EBUSY)
|
|
||||||
flags &= ~VN_UNCONFIG;
|
|
||||||
if ((flags & VN_UNCONFIG) == 0)
|
|
||||||
warn("umount");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: unmounted\n", dev);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Clear (un-configure) the device
|
|
||||||
*/
|
|
||||||
if (flags & VN_UNCONFIG) {
|
|
||||||
rv = ioctl(fileno(f), VNIOCDETACH, &vnio);
|
|
||||||
if (rv) {
|
|
||||||
if (errno == ENODEV) {
|
|
||||||
if (verbose)
|
|
||||||
printf("%s: not configured\n", dev);
|
|
||||||
rv = 0;
|
|
||||||
} else
|
|
||||||
warn("VNIOCDETACH");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: cleared\n", dev);
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Set specified options
|
|
||||||
*/
|
|
||||||
if (flags & VN_SET) {
|
|
||||||
l = setopt;
|
|
||||||
if (global)
|
|
||||||
rv = ioctl(fileno(f), VNIOCGSET, &l);
|
|
||||||
else
|
|
||||||
rv = ioctl(fileno(f), VNIOCUSET, &l);
|
|
||||||
if (rv) {
|
|
||||||
warn("VNIO[GU]SET");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: flags now=%08x\n",dev,l);
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Reset specified options
|
|
||||||
*/
|
|
||||||
if (flags & VN_RESET) {
|
|
||||||
l = resetopt;
|
|
||||||
if (global)
|
|
||||||
rv = ioctl(fileno(f), VNIOCGCLEAR, &l);
|
|
||||||
else
|
|
||||||
rv = ioctl(fileno(f), VNIOCUCLEAR, &l);
|
|
||||||
if (rv) {
|
|
||||||
warn("VNIO[GU]CLEAR");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: flags now=%08x\n",dev,l);
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Configure the device
|
|
||||||
*/
|
|
||||||
if (flags & VN_CONFIG) {
|
|
||||||
rv = ioctl(fileno(f), VNIOCATTACH, &vnio);
|
|
||||||
if (rv) {
|
|
||||||
warn("VNIOCATTACH");
|
|
||||||
flags &= ~VN_ENABLE;
|
|
||||||
} else {
|
|
||||||
if (verbose) {
|
|
||||||
printf(
|
|
||||||
"%s: %d bytes on %s\n",
|
|
||||||
dev, vnio.vn_size, file
|
|
||||||
);
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* autolabel
|
|
||||||
*/
|
|
||||||
if (vnp->autolabel) {
|
|
||||||
do_autolabel(vnp->dev, vnp->autolabel);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Set an option
|
|
||||||
*/
|
|
||||||
if (flags & VN_SET) {
|
|
||||||
l = setopt;
|
|
||||||
if (global)
|
|
||||||
rv = ioctl(fileno(f), VNIOCGSET, &l);
|
|
||||||
else
|
|
||||||
rv = ioctl(fileno(f), VNIOCUSET, &l);
|
|
||||||
if (rv) {
|
|
||||||
warn("VNIO[GU]SET");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: flags now=%08lx\n",dev,l);
|
|
||||||
}
|
|
||||||
/*
|
|
||||||
* Reset an option
|
|
||||||
*/
|
|
||||||
if (flags & VN_RESET) {
|
|
||||||
l = resetopt;
|
|
||||||
if (global)
|
|
||||||
rv = ioctl(fileno(f), VNIOCGCLEAR, &l);
|
|
||||||
else
|
|
||||||
rv = ioctl(fileno(f), VNIOCUCLEAR, &l);
|
|
||||||
if (rv) {
|
|
||||||
warn("VNIO[GU]CLEAR");
|
|
||||||
} else if (verbose)
|
|
||||||
printf("%s: flags now=%08lx\n",dev,l);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Enable special functions on the device
|
|
||||||
*/
|
|
||||||
if (flags & VN_ENABLE) {
|
|
||||||
if (flags & VN_SWAP) {
|
|
||||||
rv = swapon(dev);
|
|
||||||
if (rv)
|
|
||||||
warn("swapon");
|
|
||||||
else if (verbose)
|
|
||||||
printf("%s: swapping enabled\n", dev);
|
|
||||||
}
|
|
||||||
if (flags & (VN_MOUNTRO|VN_MOUNTRW)) {
|
|
||||||
struct ufs_args args;
|
|
||||||
int mflags;
|
|
||||||
|
|
||||||
args.fspec = dev;
|
|
||||||
mflags = (flags & VN_MOUNTRO) ? MNT_RDONLY : 0;
|
|
||||||
rv = mount("ufs", oarg, mflags, &args);
|
|
||||||
if (rv)
|
|
||||||
warn("mount");
|
|
||||||
else if (verbose)
|
|
||||||
printf("%s: mounted on %s\n", dev, oarg);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/* done: */
|
|
||||||
fclose(f);
|
|
||||||
fflush(stdout);
|
|
||||||
return(rv < 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
#define EOL(c) ((c) == '\0' || (c) == '\n')
|
|
||||||
#define WHITE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
|
|
||||||
|
|
||||||
void
|
|
||||||
readconfig(flags)
|
|
||||||
int flags;
|
|
||||||
{
|
|
||||||
char buf[LINESIZE];
|
|
||||||
FILE *f;
|
|
||||||
register char *cp, *sp;
|
|
||||||
register int ix;
|
|
||||||
|
|
||||||
f = fopen(configfile, "r");
|
|
||||||
if (f == NULL)
|
|
||||||
err(1, "%s", configfile);
|
|
||||||
ix = 0;
|
|
||||||
while (fgets(buf, LINESIZE, f) != NULL) {
|
|
||||||
cp = buf;
|
|
||||||
if (*cp == '#')
|
|
||||||
continue;
|
|
||||||
while (!EOL(*cp) && WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
if (EOL(*cp))
|
|
||||||
continue;
|
|
||||||
sp = cp;
|
|
||||||
while (!EOL(*cp) && !WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
if (EOL(*cp))
|
|
||||||
continue;
|
|
||||||
*cp++ = '\0';
|
|
||||||
vndisks[ix].dev = malloc(cp - sp);
|
|
||||||
strcpy(vndisks[ix].dev, sp);
|
|
||||||
while (!EOL(*cp) && WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
if (EOL(*cp))
|
|
||||||
continue;
|
|
||||||
sp = cp;
|
|
||||||
while (!EOL(*cp) && !WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
*cp++ = '\0';
|
|
||||||
|
|
||||||
if (*sp == '%' && strtol(sp + 1, NULL, 0) > 0) {
|
|
||||||
vndisks[ix].size = getsize(sp + 1);
|
|
||||||
} else {
|
|
||||||
vndisks[ix].file = malloc(cp - sp);
|
|
||||||
strcpy(vndisks[ix].file, sp);
|
|
||||||
}
|
|
||||||
|
|
||||||
while (!EOL(*cp) && WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
vndisks[ix].flags = flags;
|
|
||||||
if (!EOL(*cp)) {
|
|
||||||
sp = cp;
|
|
||||||
while (!EOL(*cp) && !WHITE(*cp))
|
|
||||||
cp++;
|
|
||||||
*cp++ = '\0';
|
|
||||||
getoptions(&vndisks[ix], sp);
|
|
||||||
}
|
|
||||||
nvndisks++;
|
|
||||||
ix++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
getoptions(vnp, fstr)
|
|
||||||
struct vndisk *vnp;
|
|
||||||
char *fstr;
|
|
||||||
{
|
|
||||||
int flags = 0;
|
|
||||||
char *oarg = NULL;
|
|
||||||
|
|
||||||
if (strcmp(fstr, "swap") == 0)
|
|
||||||
flags |= VN_SWAP;
|
|
||||||
else if (strncmp(fstr, "mount=", 6) == 0) {
|
|
||||||
flags |= VN_MOUNTRW;
|
|
||||||
oarg = &fstr[6];
|
|
||||||
} else if (strncmp(fstr, "mountrw=", 8) == 0) {
|
|
||||||
flags |= VN_MOUNTRW;
|
|
||||||
oarg = &fstr[8];
|
|
||||||
} else if (strncmp(fstr, "mountro=", 8) == 0) {
|
|
||||||
flags |= VN_MOUNTRO;
|
|
||||||
oarg = &fstr[8];
|
|
||||||
} else if (strcmp(fstr, "ignore") == 0)
|
|
||||||
flags |= VN_IGNORE;
|
|
||||||
vnp->flags |= flags;
|
|
||||||
if (oarg) {
|
|
||||||
vnp->oarg = malloc(strlen(oarg) + 1);
|
|
||||||
strcpy(vnp->oarg, oarg);
|
|
||||||
} else
|
|
||||||
vnp->oarg = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
usage()
|
|
||||||
{
|
|
||||||
fprintf(stderr, "%s\n%s\n%s\n",
|
|
||||||
"usage: vnconfig [-cdeguv] [-s option] [-r option] [-S value] special_file",
|
|
||||||
" [regular_file] [feature]",
|
|
||||||
" vnconfig -a [-cdeguv] [-s option] [-r option] [-f config_file]");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
static int
|
|
||||||
getsize(const char *arg)
|
|
||||||
{
|
|
||||||
char *ptr;
|
|
||||||
int pgsize = getpagesize();
|
|
||||||
quad_t size = strtoq(arg, &ptr, 0);
|
|
||||||
|
|
||||||
switch(tolower(*ptr)) {
|
|
||||||
case 't':
|
|
||||||
/*
|
|
||||||
* GULP! Terrabytes. It's actually possible to create
|
|
||||||
* a 7.9 TB VN device, though newfs can't handle any single
|
|
||||||
* filesystem larger then 1 TB.
|
|
||||||
*/
|
|
||||||
size *= 1024;
|
|
||||||
/* fall through */
|
|
||||||
case 'g':
|
|
||||||
size *= 1024;
|
|
||||||
/* fall through */
|
|
||||||
default:
|
|
||||||
case 'm':
|
|
||||||
size *= 1024;
|
|
||||||
/* fall through */
|
|
||||||
case 'k':
|
|
||||||
size *= 1024;
|
|
||||||
/* fall through */
|
|
||||||
case 'c':
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
size = (size + pgsize - 1) / pgsize;
|
|
||||||
return((int)size);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* DO_AUTOLABEL
|
|
||||||
*
|
|
||||||
* Automatically label the device. This will wipe any preexisting
|
|
||||||
* label.
|
|
||||||
*/
|
|
||||||
|
|
||||||
static void
|
|
||||||
do_autolabel(const char *dev, const char *label)
|
|
||||||
{
|
|
||||||
/* XXX not yet implemented */
|
|
||||||
fprintf(stderr, "autolabel not yet implemented, sorry\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user