122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*
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* partition.c - parse a linux-like mtd partition definition and register
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* the new partitions
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*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/**
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* @file
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* @brief partition handling and addpart and delpart command
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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#include <driver.h>
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#include <malloc.h>
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#include <partition.h>
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#include <errno.h>
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#include <xfuncs.h>
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#include <fs.h>
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#include <linux/stat.h>
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#include <libgen.h>
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#include <getopt.h>
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#include <cmdlinepart.h>
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#include <linux/err.h>
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static int do_addpart(int argc, char *argv[])
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{
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char *devname;
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loff_t devsize;
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struct stat s;
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int opt;
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unsigned int flags = CMDLINEPART_ADD_DEVNAME;
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while ((opt = getopt(argc, argv, "n")) > 0) {
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switch (opt) {
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case 'n':
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flags &= ~CMDLINEPART_ADD_DEVNAME;
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break;
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}
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}
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if (argc != optind + 2)
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return COMMAND_ERROR_USAGE;
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if (stat(argv[optind], &s)) {
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perror("addpart");
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return 1;
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}
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devsize = s.st_size;
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devname = basename(argv[optind]);
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return cmdlinepart_do_parse(devname, argv[optind + 1], devsize, flags);
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}
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BAREBOX_CMD_HELP_START(addpart)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT ("-n", "do not use the device name as prefix of the partition name")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Create partitions on device DEVICE using the partition description")
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BAREBOX_CMD_HELP_TEXT("from PART.")
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BAREBOX_CMD_HELP_TEXT("PART contains a partition description compatible to the Kernel mtd")
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BAREBOX_CMD_HELP_TEXT("commandline partition description:")
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BAREBOX_CMD_HELP_TEXT("SIZE1[@OFFSET1](NAME1)[RO],SIZE2[@OFFSET2](NAME2)[RO],...")
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BAREBOX_CMD_HELP_TEXT("The size and the offset can be given in decimal (without any prefix) and")
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BAREBOX_CMD_HELP_TEXT("in hex (prefixed with 0x). Both can have an optional suffix K, M or G.")
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BAREBOX_CMD_HELP_TEXT("The size of the last partition can be specified as '-' for the remaining")
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BAREBOX_CMD_HELP_TEXT("space on the device.")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(addpart)
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.cmd = do_addpart,
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BAREBOX_CMD_DESC("add a partition description to a device")
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BAREBOX_CMD_OPTS("[-n] DEVICE PART")
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BAREBOX_CMD_GROUP(CMD_GRP_PART)
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BAREBOX_CMD_HELP(cmd_addpart_help)
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BAREBOX_CMD_END
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static int do_delpart(int argc, char *argv[])
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{
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int i, err;
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for (i = 1; i < argc; i++) {
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err = devfs_del_partition(basename(argv[i]));
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if (err) {
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printf("cannot delete %s: %s\n", argv[i], strerror(-err));
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break;
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}
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}
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return 1;
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}
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BAREBOX_CMD_HELP_START(delpart)
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BAREBOX_CMD_HELP_TEXT("Delete partitions previously added to a device with addpart.")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(delpart)
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.cmd = do_delpart,
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BAREBOX_CMD_DESC("delete partition(s)")
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BAREBOX_CMD_OPTS("PART...")
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BAREBOX_CMD_GROUP(CMD_GRP_PART)
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BAREBOX_CMD_HELP(cmd_delpart_help)
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BAREBOX_CMD_COMPLETE(devfs_partition_complete)
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BAREBOX_CMD_END
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