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92ccc96bf3
This allows reading of files from the host filesystem in sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
67 lines
2.3 KiB
C
67 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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#define FS_TYPE_SANDBOX 3
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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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