From bf375e3af65f0e9728516a3627613fb95288c1d1 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 19 Jul 2005 11:14:12 -0400 Subject: [PATCH] create_floppy_devices: add tool to create floppy nodes based on sysfs info --- extras/floppy/Makefile | 52 ++++++++++ extras/floppy/create_floppy_devices.c | 136 ++++++++++++++++++++++++++ test/simple-build-check.sh | 1 + 3 files changed, 189 insertions(+) create mode 100644 extras/floppy/Makefile create mode 100644 extras/floppy/create_floppy_devices.c diff --git a/extras/floppy/Makefile b/extras/floppy/Makefile new file mode 100644 index 00000000..2601eeeb --- /dev/null +++ b/extras/floppy/Makefile @@ -0,0 +1,52 @@ +# Makefile for create_floppy_devices +# +# Copyright (C) 2004 Kay Sievers +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# + +PROG = create_floppy_devices + +all: $(PROG) + +prefix = +exec_prefix = ${prefix} +etcdir = ${prefix}/etc +sbindir = ${exec_prefix}/sbin +usrbindir = ${exec_prefix}/usr/bin +usrsbindir = ${exec_prefix}/usr/sbin +mandir = ${prefix}/usr/share/man +devddir = ${etcdir}/dev.d/default +configdir = ${etcdir}/udev/ +initdir = ${etcdir}/init.d/ +srcdir = . + +INSTALL = /usr/bin/install -c +INSTALL_PROGRAM = ${INSTALL} +INSTALL_DATA = ${INSTALL} -m 644 +INSTALL_SCRIPT = ${INSTALL_PROGRAM} + +CFLAGS+=-D_FILE_OFFSET_BITS=64 + +OBJS = $(PROG).o ../../udev.a + +$(OBJS): $(HEADERS) + +.c.o: + $(QUIET) $(CC) $(CFLAGS) -c -o $@ $< + +$(PROG): $(OBJS) $(HEADERS) + $(QUIET) $(LD) $(LDFLAGS) -o $(PROG) $(OBJS) $(LIB_OBJS) + +clean: + rm -f $(PROG) $(OBJS) + +spotless: clean + +install: all + $(INSTALL_PROGRAM) $(PROG) $(DESTDIR)$(sbindir)/$(PROG) + +uninstall: + - rm $(DESTDIR)$(sbindir)/$(PROG) diff --git a/extras/floppy/create_floppy_devices.c b/extras/floppy/create_floppy_devices.c new file mode 100644 index 00000000..f4003c2c --- /dev/null +++ b/extras/floppy/create_floppy_devices.c @@ -0,0 +1,136 @@ +/* + * create_floppy_devices + * + * Create all possible floppy device based on the CMOS type. + * Based upon code from drivers/block/floppy.c + * + * Copyright(C) 2005, SUSE Linux Products GmbH + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Author: Hannes Reinecke + * + */ + +#include +#include +#include +#include +#include +#include +#include + +static char *table[] = { + "", "d360", "h1200", "u360", "u720", "h360", "h720", + "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410", + "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743", + "h880", "u1040", "u1120", "h1600", "u1760", "u1920", + "u3200", "u3520", "u3840", "u1840", "u800", "u1600", + NULL +}; + +static int t360[] = { 1 }; +static int t1200[] = { 2, 5, 6, 10, 12, 14, 16, 18, 20, 23 }; +static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13, 17, 21, 22, 30 }; + +static int *table_sup[] = { NULL, t360, t1200, t3in + 5 + 8, t3in + 5, t3in, t3in }; + +int main(int argc, char **argv) +{ + char *dev; + char node[64]; + int type = 0, i, fdnum, c; + int major = 2, minor; + int mode = 0; + int create_nodes = 0; + int print_nodes = 0; + int unlink_nodes = 0; + int is_err = 0; + + while ((c = getopt(argc, argv, "cdm:M:t:u")) != -1) { + switch (c) { + case 'c': + create_nodes = 1; + unlink_nodes = 0; + break; + case 'd': + print_nodes = 1; + break; + case 'M': + mode = strtol(optarg, NULL, 10); + break; + case 'm': + major = strtol(optarg, NULL, 10); + break; + case 't': + type = strtol(optarg, NULL, 10); + break; + case 'u': + unlink_nodes = 1; + create_nodes = 0; + break; + default: + is_err++; + break; + } + } + + if (is_err || optind >= argc) { + fprintf(stderr,"Usage: %s [-d|-c|-u|-m |-t ] \n", + argv[0]); + return 1; + } + + dev = argv[optind]; + if (dev[strlen(dev) - 3] != 'f' || dev[strlen(dev) -2 ] != 'd') { + fprintf(stderr,"Device '%s' is not a floppy device\n", dev); + return 1; + } + + fdnum = strtol(dev + 2, NULL, 10); + if (fdnum < 0 || fdnum > 7) { + fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum); + return 1; + } + if (fdnum > 3) + fdnum += 128; + + if (major < 1) { + fprintf(stderr,"Invalid major number %d\n", major); + return 1; + } + + if (type < 0 || type > (int) sizeof(table)) { + fprintf(stderr,"Invalid CMOS type %d\n", type); + return 1; + } + + if (type == 0) + return 0; + + i = 0; + while (table_sup[type][i]) { + sprintf(node,"%s%s",dev,table[table_sup[type][i]]); + minor = (table_sup[type][i] << 2) + fdnum; + if (print_nodes) + printf("%s b %d %d %d\n", node, mode, major, minor); + if (create_nodes) + mknod(node, S_IFBLK | mode, makedev(major,minor)); + i++; + } + + return 0; +} + diff --git a/test/simple-build-check.sh b/test/simple-build-check.sh index 7e9a940f..742b28ec 100755 --- a/test/simple-build-check.sh +++ b/test/simple-build-check.sh @@ -7,6 +7,7 @@ EXTRAS="\ extras/volume_id \ extras/usb_id \ extras/dasd_id \ + extras/floppy \ extras/run_directory" [ -z "$KERNEL_DIR" ] && KERNEL_DIR=/lib/modules/`uname -r`/build -- 2.39.5