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| author | Sjoerd Simons <sjoerd.simons@collabora.co.uk> | 2015-01-05 18:13:36 +0100 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-29 13:36:54 -0500 |
| commit | 1a1ad8e0903ec916d1e3ef8c18fa335d765a4342 (patch) | |
| tree | befa1ea03b3cc9666d36ccdd96ebb90ddf6c2aa3 | |
| parent | 2af13d6b6265a6700c4f65597410b769895024bf (diff) | |
| download | blackbird-obmc-uboot-1a1ad8e0903ec916d1e3ef8c18fa335d765a4342.tar.gz blackbird-obmc-uboot-1a1ad8e0903ec916d1e3ef8c18fa335d765a4342.zip | |
fs: Add command to retrieve the filesystem type
New command to determine the filesystem type of a given partition.
Optionally stores the filesystem type in a environment variable.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
| -rw-r--r-- | common/cmd_fs.c | 15 | ||||
| -rw-r--r-- | fs/fs.c | 27 | ||||
| -rw-r--r-- | include/fs.h | 6 |
3 files changed, 48 insertions, 0 deletions
diff --git a/common/cmd_fs.c b/common/cmd_fs.c index 0d9da113bf..e146254f6d 100644 --- a/common/cmd_fs.c +++ b/common/cmd_fs.c @@ -81,3 +81,18 @@ U_BOOT_CMD( " - List files in directory 'directory' of partition 'part' on\n" " device type 'interface' instance 'dev'." ) + +static int do_fstype_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + return do_fs_type(cmdtp, flag, argc, argv); +} + +U_BOOT_CMD( + fstype, 4, 1, do_fstype_wrapper, + "Look up a filesystem type", + "<interface> <dev>:<part>\n" + "- print filesystem type\n" + "fstype <interface> <dev>:<part> <varname>\n" + "- set environment variable to filesystem type\n" +); @@ -79,6 +79,7 @@ static inline int fs_uuid_unsupported(char *uuid_str) struct fstype_info { int fstype; + char *name; /* * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This * should be false in most cases. For "virtual" filesystems which @@ -105,6 +106,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_FS_FAT { .fstype = FS_TYPE_FAT, + .name = "fat", .null_dev_desc_ok = false, .probe = fat_set_blk_dev, .close = fat_close, @@ -123,6 +125,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_FS_EXT4 { .fstype = FS_TYPE_EXT, + .name = "ext4", .null_dev_desc_ok = false, .probe = ext4fs_probe, .close = ext4fs_close, @@ -141,6 +144,7 @@ static struct fstype_info fstypes[] = { #ifdef CONFIG_SANDBOX { .fstype = FS_TYPE_SANDBOX, + .name = "sandbox", .null_dev_desc_ok = true, .probe = sandbox_fs_set_blk_dev, .close = sandbox_fs_close, @@ -154,6 +158,7 @@ static struct fstype_info fstypes[] = { #endif { .fstype = FS_TYPE_ANY, + .name = "unsupported", .null_dev_desc_ok = true, .probe = fs_probe_unsupported, .close = fs_close_unsupported, @@ -190,6 +195,7 @@ int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) if (!relocated) { for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) { + info->name += gd->reloc_off; info->probe += gd->reloc_off; info->close += gd->reloc_off; info->ls += gd->reloc_off; @@ -503,3 +509,24 @@ int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], return CMD_RET_SUCCESS; } + +int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct fstype_info *info; + + if (argc < 3 || argc > 4) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY)) + return 1; + + info = fs_get_info(fs_type); + + if (argc == 4) + setenv(argv[3], info->name); + else + printf("%s\n", info->name); + + return CMD_RET_SUCCESS; +} + diff --git a/include/fs.h b/include/fs.h index ffb6ce7ada..fd1e4ab1c0 100644 --- a/include/fs.h +++ b/include/fs.h @@ -109,4 +109,10 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], int fstype); +/* + * Determine the type of the specified filesystem and print it. Optionally it is + * possible to store the type directly in env. + */ +int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); + #endif /* _FS_H */ |
