summaryrefslogtreecommitdiffstats
path: root/include/fat.h
Commit message (Collapse)AuthorAgeFilesLines
* common: Drop part.h from common headerSimon Glass2020-05-181-0/+2
| | | | | | Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
* part: Drop disk_partition_t typedefSimon Glass2020-05-181-1/+1
| | | | | | | We should not be using typedefs and these make it harder to use forward declarations (to reduce header file inclusions). Drop the typedef. Signed-off-by: Simon Glass <sjg@chromium.org>
* fs: fat: support unlinkAKASHI Takahiro2018-09-231-0/+1
| | | | | | | | | | | | In this patch, unlink support is added to FAT file system. A directory can be deleted only if it is empty. In this implementation, only a directory entry for a short file name will be removed. So entries for a long file name can and should be reclaimed with fsck. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
* fs: fat: support mkdirAKASHI Takahiro2018-09-231-0/+1
| | | | | | | | In this patch, mkdir support is added to FAT file system. A newly created directory contains only "." and ".." entries. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
* fs: fat: extend get_fs_info() for write useAKASHI Takahiro2018-09-231-0/+2
| | | | | | | | | get_fs_info() was introduced in major re-work of read operation by Rob. We want to reuse this function in write operation by extending it with additional members in fsdata structure. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
* fs: fat: fix wrong casting to unsigned value of sect_to_cluster()Seung-Woo Kim2018-06-131-1/+1
| | | | | | | | | | | | After the commit 265edc03d5a1 ("fs/fat: Clean up open-coded sector <-> cluster conversions"), it is hung up writing new file to FAT16 disk with more than 19 files in armv7. It is because result value of sect_to_cluster() is not proper by casting from signed value to unsigned value. Fix the wrong casting of sect_to_cluster(). Reported-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini2018-05-071-2/+1
| | | | | | | | | | | | | | | | | | | | When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
* fs: fat: Drop CONFIG_SUPPORT_VFATTuomas Tynkkynen2018-01-221-1/+0
| | | | | | | | fat.h unconditionally defines CONFIG_SUPPORT_VFAT (and has done since 2003), so as a result VFAT support is always enabled regardless of whether a board config defines it or not. Drop this unnecessary option. Signed-off-by: Tuomas Tynkkynen <tuomas@tuxera.com>
* fs/fat: Clean up open-coded sector <-> cluster conversionsRob Clark2017-09-151-1/+5
| | | | | | | | | Use the clust_to_sect() helper that was introduced earlier, and add an inverse sect_to_clust(), plus update the various spots that open-coded this conversion previously. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* fs/fat: fix case for FAT shortnamesRob Clark2017-09-151-1/+5
| | | | | | | | | Noticed when comparing our output to linux. There are some lcase bits which control whether filename and/or extension should be downcase'd. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Łukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* fat/fs: move ls to generic implementationRob Clark2017-09-151-1/+4
| | | | | | | | | | | Add a generic implementation of 'ls' using opendir/readdir/closedir, and replace fat's custom implementation. Other filesystems should move to the generic implementation after they add opendir/readdir/closedir support. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Łukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* fat/fs: remove a bunch of dead codeRob Clark2017-09-151-20/+0
| | | | | | | | | Spotted by chance, when trying to remove file_fat_ls(), I noticed there were some dead users of the API. Signed-off-by: Rob Clark <robdclark@gmail.com> Acked-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* fat/fs: convert to directory iteratorsRob Clark2017-09-151-6/+0
| | | | | | | | And drop a whole lot of ugly code! Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Łukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* fs/fat: introduce new director iteratorsRob Clark2017-09-151-0/+7
| | | | | | | | Untangle directory traversal into a simple iterator, to replace the existing multi-purpose do_fat_read_at() + get_dentfromdir(). Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Łukasz Majewski <lukma@denx.de>
* fs/fat: split out helper to init fsdataRob Clark2017-09-151-0/+1
| | | | | | | | Want to re-use this in fat dirent iterator in next patch. Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Łukasz Majewski <lukma@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* Kconfig: Migrate FS_FAT / FAT_WRITETom Rini2017-06-031-3/+0
| | | | | | | | Now that these symbols are in Kconfig, migrate all users. Use imply on a number of platforms that default to having this enabled. As part of this we must migrate some straglers for CMD_FAT and DOS_PARTITION. Signed-off-by: Tom Rini <trini@konsulko.com>
* fs/fat/fatwrite: Local variable as buffer to store dir_slot entriesTien Fong Chee2016-11-281-0/+2
| | | | | | | | | | | | | | | fill_dir_slot use get_contents_vfatname_block as a temporary buffer for constructing a list of dir_slot entries. To save the memory and providing correct type of memory for above usage, a local buffer with accurate size declaration is introduced. The local array size 640 is used because for long file name entry, each entry use 32 bytes, one entry can store up to 13 characters. The maximum number of entry possible is 20. So, total size is 32*20=640bytes. Signed-off-by: Genevieve Chan <ccheauya@altera.com> Signed-off-by: Tien Fong Chee <tfchee@altera.com>
* fs/fat: Do not write unmodified fat entries to diskStefan Brüns2016-09-231-0/+1
| | | | | | | | | | | | The code caches 6 sectors of the FAT. On FAT traversal, the old contents needs to be flushed to disk, but only if any FAT entries had been modified. Explicitly flag the buffer on modification. Currently, creating a new file traverses the whole FAT up to the first free cluster and rewrites the on-disk blocks. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
* dm: Drop the block_dev_desc_t typedefSimon Glass2016-03-141-2/+2
| | | | | | | | | Use 'struct' instead of a typdef. Also since 'struct block_dev_desc' is long and causes 80-column violations, rename it to struct blk_desc. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* fs: API changes enabling extra parameter to return size of type loff_tSuriyan Ramasami2014-11-231-2/+3
| | | | | | | | | | | | | | | The sandbox/ext4/fat/generic fs commands do not gracefully deal with files greater than 2GB. Negative values are returned in such cases. To handle this, the fs functions have been modified to take an additional parameter of type "* loff_t" which is then populated. The return value of the fs functions are used only for error conditions. Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com> Acked-by: Simon Glass <sjg@chromium.org> [trini: Update board/gdsys/p1022/controlcenterd-id.c, drivers/fpga/zynqpl.c for changes] Signed-off-by: Tom Rini <trini@ti.com>
* fat: Prepare API change for files greater than 2GBSuriyan Ramasami2014-11-231-6/+7
| | | | | | | | | Change the internal FAT functions to use loff_t for offsets. Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com> Acked-by: Simon Glass <sjg@chromium.org> [trini: Fix fs/fat/fat.c for min3 updates] Signed-off-by: Tom Rini <trini@ti.com>
* fs: implement size/fatsize/ext4sizeStephen Warren2014-08-091-0/+1
| | | | | | | | | | These commands may be used to determine the size of a file without actually reading the whole file content into memory. This may be used to determine if the file will fit into the memory buffer that will contain it. In particular, the DFU code will use it for this purpose in the next commit. Signed-off-by: Stephen Warren <swarren@nvidia.com>
* fat: Define MAX_CLUSTSIZE using CONFIG_FS_FAT_MAX_CLUSTSIZESiva Durga Prasad Paladugu2014-06-051-1/+5
| | | | | | | | | | Define the MAX_CLUSTSIZE to default of 65536 only if CONFIG_FS_FAT_MAX_CLUSTSIZE is not defined. This option has been provided to save memory in some memory constrained cases. Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Acked-by: Michal Simek <monstr@monstr.eu>
* fs: fat_write: fix the incorrect last cluster checkingWu, Josh2014-05-121-0/+3
| | | | | | | | | | | | | | | | | | | | In fat_write.c, the last clust condition check is incorrect: if ((curclust >= 0xffffff8) || (curclust >= 0xfff8)) { ... ... } For example, in FAT32 if curclust is 0x11000. It is a valid clust. But on above condition check, it will be think as a last clust. So the correct last clust check should be: in fat32, curclust >= 0xffffff8 in fat16, curclust >= 0xfff8 in fat12, curclust >= 0xff8 This patch correct the last clust check. Signed-off-by: Josh Wu <josh.wu@atmel.com>
* fs/fat: add fat12 cluster checkWu, Josh2014-05-121-1/+3
| | | | Signed-off-by: Josh Wu <josh.wu@atmel.com>
* fat: implement exists() for FAT fsStephen Warren2014-02-191-0/+1
| | | | | | | | This hooks into the generic "file exists" support added in an earlier patch, and provides an implementation for the FAT filesystem. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-18/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* fs: Move ls and read methods into ext4, fatSimon Glass2013-03-041-0/+2
| | | | | | | | | It doesn't make a lot of sense to have these methods in fs.c. They are filesystem-specific, not generic code. Add each to the relevant filesystem and remove the associated #ifdefs in fs.c. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
* FAT: use toupper/tolower instead of recoding themRichard Genoud2013-02-041-3/+0
| | | | | | | | toupper/tolower function are already declared, so use them. Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* FAT: implement fat_set_blk_dev(), convert cmd_fat.cStephen Warren2012-10-251-0/+1
| | | | | | | | | | | | | This makes the FAT filesystem API more consistent with other block-based filesystems. If in the future standard multi-filesystem commands such as "ls" or "load" are implemented, having FAT work the same way as other filesystems will be necessary. Convert cmd_fat.c to the new API, so the code looks more like other files implementing the same commands for other filesystems. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* FAT: Make it possible to read from any file positionBenoît Thébaudeau2012-09-261-0/+2
| | | | | | | | | | | | | | | When storage devices contain files larger than the embedded RAM, it is useful to be able to read these files by chunks, e.g. for a software update to the embedded NAND Flash from an external storage device (USB stick, SD card, etc.). Hence, this patch makes it possible by adding a new FAT API to read files from a given position. This patch also adds this feature to the fatload command. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Wolfgang Denk <wd@denx.de> Signed-off-by: Tom Rini <trini@ti.com>
* fat: fix FAT sector offsets overflow on large FAT partitionsAaron Williams2012-05-221-3/+3
| | | | | | | | | | | | | | | | | This patch fixes several issues where sector offsets can overflow due to being limited to 16-bits. The cases where an overflow can happen when accessing large FAT32 partitions are: - length of FAT in sectors - start sector of root directory - the sector of the first cluster These issues were observed when reading files from a 64GB FAT32 filesystem. Signed-off-by: Aaron Williams <aaron.williams@caviumnetworks.com> Tested-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Anatolij Gustschin <agust@denx.de>
* FAT: Add FAT write featureDonggeun Kim2011-10-261-0/+3
| | | | | | | | | | | | | | In some cases, saving data in RAM as a file with FAT format is required. This patch allows the file to be written in FAT formatted partition. The usage is similar with reading a file. First, fat_register_device function is called before file_fat_write function in order to set target partition. Then, file_fat_write function is invoked with desired file name, start ram address for writing data, and file size. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
* fat: replace LINEAR_PREFETCH_SIZE with PREFETCH_BLOCKSSergei Shtylyov2011-10-011-1/+1
| | | | | | | | | Currently in do_fat_read() when reading FAT sectors, we have to divide down LINEAR_PREFETCH_SIZE by the sector size, whereas it's defined as 2 sectors worth of bytes. In order to avoid redundant multiplication/division, introduce #define PREFETCH_BLOCKS instead of #define LINEAR_PREFETCH_SIZE. Signed-off-by: Sergei Shtylyov <sshtylyov@mvista.com>
* fat: fix crash with big sector sizeSergei Shtylyov2011-10-011-13/+7
| | | | | | | | Apple iPod nanos have sector sizes of 2 or 4 KiB, which crashes U-Boot when it tries to read the boot sector into 512-byte buffer situated on stack. Make the FAT code indifferent to the sector size. Signed-off-by: Sergei Shtylyov <sshtylyov@mvista.com>
* VFAT: fix processing of scattered long file name entriesMikhail Zolotaryov2010-10-121-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The U-Boot code has the following bugs related to the processing of Long File Name (LFN) entries scattered across several clusters/sectors : 1) get_vfatname() function is designed to gather scattered LFN entries by cluster chain processing - that doesn't work for FAT12/16 root directory. In other words, the function expects the following input data: 1.1) FAT32 directory (which is cluster chain based); OR 1.2) FAT12/16 non-root directory (which is also cluster chain based); OR 1.3) FAT12/16 root directory (allocated as contiguous sectors area), but all necessary information MUST be within the input buffer of filesystem cluster size (thus cluster-chain jump is never initiated). In order to accomplish the last condition, root directory parsing code in do_fat_read() uses the following trick: read-out cluster-size block, process only first sector (512 bytes), then shift 512 forward, read-out cluster-size block and so on. This works great unless cluster size is equal to 512 bytes (in a case you have a small partition), or long file name entries are scattered across three sectors, see 4) for details. 2) Despite of the fact that get_vfatname() supports FAT32 root directory browsing, do_fat_read() function doesn't send current cluster number correctly, so root directory look-up doesn't work correctly. 3) get_vfatname() doesn't gather scattered entries correctly also is the case when all LFN entries are located at the end of the source cluster, but real directory entry (which must be returned) is at the only beginning of the next one. No error detected, the resulting directory entry returned contains a semi-random information (wrong size, wrong start cluster number and so on) i.e. the entry is not accessible. 4) LFN (VFAT) allows up to 20 entries (slots) each containing 26 bytes (13 UTF-16 code units) to represent a single long file name i.e. up to 520 bytes. U-Boot allocates 256 bytes buffer instead, i.e. 10 or more LFN slots record may cause buffer overflow / memory corruption. Also, it's worth to mention that 20+1 slots occupy 672 bytes space which may take more than one cluster of 512 bytes (medium-size FAT32 or small FAT16 partition) - get_vfatname() function doesn't support such case as well. The patch attached fixes these problems in the following way: - keep using 256 bytes buffer for a long file name, but safely prevent a possible buffer overflow (skip LFN processing, if it contains 10 or more slots). - explicitly specify FAT12/16 root directory parsing buffer size, instead of relying on cluster size. The value used is a double sector size (to store current sector and the next one). This fixes the first problem and increases performance on big FAT12/16 partitions; - send current cluster number (FAT32) to get_vfatname() during root directory processing; - use LFN counter to seek the real directory entry in get_vfatname() - fixes the third problem; - skip deleted entries in the root directory (to prevent bogus buffer overflow detection and LFN counter steps). Note: it's not advised to split up the patch, because a separate part may operate incorrectly. Signed-off-by: Mikhail Zolotaryov <lebon@lebon.org.ua>
* fs/fat: Big code cleanup.Wolfgang Denk2010-07-241-34/+29
| | | | | | | | - reformat - throw out macros like FAT_DPRINT and FAT_DPRINT - remove dead code Signed-off-by: Wolfgang Denk <wd@denx.de>
* Remove non-ascii characters from fat codeRemy Bohmer2008-12-041-1/+1
| | | | | | | | | | | | This code contains some non-ascii characters in comment lines and code. Most editors do not display those characters properly and editing those files results always in diffs at these places which are usually not required to be changed at all. This is error prone. So, remove those weird characters and replace them by normal C-style equivalents for which the proper defines were already in the header. Signed-off-by: Remy Bohmer <linux@bohmer.net>
* Big white-space cleanup.Wolfgang Denk2008-05-211-1/+1
| | | | | | | | | | | This commit gets rid of a huge amount of silly white-space issues. Especially, all sequences of SPACEs followed by TAB characters get removed (unless they appear in print statements). Also remove all embedded "vim:" and "vi:" statements which hide indentation problems. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Fix checking fat32 cluster size.michael2008-03-031-1/+2
| | | | | | | | | This fixes the cluster size tests in the FAT32 file system. The current implementation of VFAT support doesn't work if the referred cluster has an offset > 16bit representation, causing "fatload" and "fatls" commands etc. to fail. Signed-off-by: michael trimarchi <trimarchi@gandalf.sssup.it>
* Fix fatload command on FAT32 formatted partitions.Wolfgang Denk2006-08-141-2/+6
| | | | Patch by Joachim Jaeger, 18 Nov 2005
* * Modify KUP4X board configuration to use SL811 driver for USB memoryLABEL_2004_04_23_2240wdenk2004-04-231-7/+2
| | | | | | | | | | | | | | | sticks (including FAT / VFAT filesystem support) * Add SL811 Host Controller Interface driver for USB * Add CFG_I2C_EEPROM_ADDR_OVERFLOW desription to README * Patch by Pantelis Antoniou, 19 Apr 2004: Allow to use shell style syntax (i. e. ${var} ) with standard parser. Minor patches for Intracom boards. * Patch by Christian Pell, 19 Apr 2004: cleanup support for CF/IDE on PCMCIA for PXA25X
* * Patch by Stephen Williams, 01 Apr 2004:wdenk2004-04-151-0/+7
| | | | | | | Add support for Picture Elements JSE board * Patch by Christian Pell, 01 Apr 2004: Add CompactFlash support for PXA systems.
* * Patch by Thomas Elste, 10 Feb 2004:wdenk2004-02-231-0/+4
| | | | | | | | | | | | | | Add support for NET+50 CPU and ModNET50 board * Patch by Sam Song, 10 Feb 2004: Fix typos in cfi_flash.c * Patch by Leon Kukovec, 10 Feb 2004 Fixed long dir entry slot id calculation in get_vfatname * Patch by Robin Gilks, 10 Feb 2004: add "itest" command (operators: -eq, -ne, -lt, -gt, -le, -ge, ==, !=, <>, <, >, <=, >=)
* * Patch by Jian Zhang, 3 Feb 2004:wdenk2004-02-101-2/+2
| | | | | | - Changed the incorrect FAT12BUFSIZE - data_begin in fsdata can be negative. Changed it to be short. * Code cleanup
* * Patch by Pierre Aubert, 24 Nov 2003:wdenk2003-12-071-1/+1
| | | | | | | - add a return value for the fpga command - add ide_preinit() function called in ide_init if CONFIG_IDE_PREINIT is defined. If ide_preinit fails, ide_init is aborted. - fix an endianess problem in fat.h
* * Patches by Denis Peter, 9 Sep 2003:U-Boot-0_4_8wdenk2003-09-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | add FAT support for IDE, SCSI and USB * Patches by Gleb Natapov, 2 Sep 2003: - cleanup of POST code for unsupported architectures - MPC824x locks way0 of data cache for use as initial RAM; this patch unlocks it after relocation to RAM and invalidates the locked entries. * Patch by Gleb Natapov, 30 Aug 2003: new I2C driver for mpc107 bridge. Now works from flash. * Patch by Dave Ellis, 11 Aug 2003: - JFFS2: fix typo in common/cmd_jffs2.c - JFFS2: fix CFG_JFFS2_SORT_FRAGMENTS option - JFFS2: remove node version 0 warning - JFFS2: accept JFFS2 PADDING nodes - SXNI855T: add AM29LV800 support - SXNI855T: move environment from EEPROM to flash - SXNI855T: boot from JFFS2 in NOR or NAND flash * Patch by Bill Hargen, 11 Aug 2003: fixes for I2C on MPC8240 - fix i2c_write routine - fix iprobe command - eliminates use of global variables, plus dead code, cleanup.
* * Fix CONFIG_NET_MULTI support in include/net.hLABEL_2003_06_16_0055wdenk2003-06-151-0/+208
* Patches by Kyle Harris, 13 Mar 2003: - Add FAT partition support - Add command support for FAT - Add command support for MMC ---- - Add Intel PXA support for video - Add Intel PXA support for MMC ---- - Enable MMC and FAT for lubbock board - Other misc changes for lubbock board
generated by cgit (git 2.34.1) at 2024-11-16 03:08:48 +0000