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f9b55e2285
When the generic filesystem load command "fsload" was written, I felt that "load" was too generic of a name for it, since many other similar commands already existed. However, it turns out that there is already an "fsload" command, so that name cannot be used. Rename the new "fsload" to plain "load" to avoid the conflict. At least anyone who's used a Basic interpreter should feel familiar with the name! Signed-off-by: Stephen Warren <swarren@nvidia.com>
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _FS_H
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#define _FS_H
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#include <common.h>
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#define FS_TYPE_ANY 0
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#define FS_TYPE_FAT 1
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#define FS_TYPE_EXT 2
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/*
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* Tell the fs layer which block device an partition to use for future
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* commands. This also internally identifies the filesystem that is present
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* within the partition. The identification process may be limited to a
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* specific filesystem type by passing FS_* in the fstype parameter.
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*
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* Returns 0 on success.
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* Returns non-zero if there is an error accessing the disk or partition, or
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* no known filesystem type could be recognized on it.
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*/
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int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype);
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/*
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* Print the list of files on the partition previously set by fs_set_blk_dev(),
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* in directory "dirname".
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*
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* Returns 0 on success. Returns non-zero on error.
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*/
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int fs_ls(const char *dirname);
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/*
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* Read file "filename" from the partition previously set by fs_set_blk_dev(),
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* to address "addr", starting at byte offset "offset", and reading "len"
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* bytes. "offset" may be 0 to read from the start of the file. "len" may be
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* 0 to read the entire file. Note that not all filesystem types support
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* either/both offset!=0 or len!=0.
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*
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* Returns number of bytes read on success. Returns <= 0 on error.
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*/
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int fs_read(const char *filename, ulong addr, int offset, int len);
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/*
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* Common implementation for various filesystem commands, optionally limited
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* to a specific filesystem type via the fstype parameter.
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*/
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int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype, int cmdline_base);
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int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
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int fstype);
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#endif /* _FS_H */
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