From: Giorgio Dal Molin <giorgio.dal.molin@xxxxxxxxxxx>
The syntax was taken from the corresponding command of the 'mts-utils'
userland package:
# ubirename UBIDEV OLD_NAME NEW_NAME [OLD_NAME NEW_NAME ...]
Signed-off-by: Giorgio Dal Molin <iw3gtf@xxxxxxxx>
---
commands/ubi.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/commands/ubi.c b/commands/ubi.c
index 26b521f..3479340 100644
--- a/commands/ubi.c
+++ b/commands/ubi.c
@@ -6,6 +6,8 @@
#include <errno.h>
#include <getopt.h>
#include <linux/mtd/mtd.h>
+#include <linux/mtd/ubi.h>
+#include <libgen.h>
#include <linux/kernel.h>
#include <linux/stat.h>
#include <linux/mtd/mtd-abi.h>
@@ -306,3 +308,88 @@ BAREBOX_CMD_START(ubirmvol)
BAREBOX_CMD_GROUP(CMD_GRP_PART)
BAREBOX_CMD_HELP(cmd_ubirmvol_help)
BAREBOX_CMD_END
+
+
+static int get_vol_id(const char *vol_name)
+{
+ struct ubi_volume_desc *desc;
+ struct cdev *vol_cdev;
+ struct ubi_volume_info vi;
+
+ vol_cdev = cdev_by_name(vol_name);
+ if(!vol_cdev) {
+ perror("cdev_by_name");
+ return -1;
+ }
+ desc = ubi_open_volume_cdev(vol_cdev, UBI_READONLY);
+ if(IS_ERR(desc)) {
+ perror("ubi_open_volume_cdev");
+ return -1;
+ }
+ ubi_get_volume_info(desc, &vi);
+ ubi_close_volume(desc);
+
+ return vi.vol_id;
+};
+
+static int do_ubirename(int argc, char *argv[])
+{
+ struct ubi_rnvol_req req;
+ struct cdev *ubi_cd;
+ int i, j, fd, ret;
+
+ if ((argc < 4) || (argc % 2))
+ return COMMAND_ERROR_USAGE;
+
+ req.count = (argc / 2) - 1;
+ if (req.count > UBI_MAX_RNVOL) {
+ printf("too many volume renames. (max: %u)\n", UBI_MAX_RNVOL);
+ return COMMAND_ERROR_USAGE;
+ }
+
+ ubi_cd = cdev_by_name(basename(argv[1]));
+ if(!ubi_cd || !ubi_cd->name || (strlen(ubi_cd->name)>127)) {
+ printf("arg 1 (%s) is not an ubi device.\n", argv[1]);
+ return COMMAND_ERROR_USAGE;
+ }
+
+ for(i=2, j=0; i<argc; ++j, i+=2) {
+ char vol_name[128 + UBI_MAX_VOLUME_NAME];
+
+ snprintf(vol_name, sizeof(vol_name), "%s.%s", ubi_cd->name, argv[i]);
+ req.ents[j].vol_id = get_vol_id(vol_name);
+ if(req.ents[j].vol_id < 0) {
+ printf("'%s' is not a volume name.\n", vol_name);
+ return COMMAND_ERROR_USAGE;
+ }
+ strncpy(req.ents[j].name, argv[i+1], UBI_MAX_VOLUME_NAME);
+ req.ents[j].name_len = strlen(req.ents[j].name);
+ }
+
+ fd = open(argv[1], O_WRONLY);
+ if (fd < 0) {
+ perror("open");
+ return 1;
+ }
+
+ ret = ioctl(fd, UBI_IOCRNVOL, &req);
+ if (ret)
+ printf("failed to rename: %s\n", strerror(-ret));
+
+ close(fd);
+
+ return ret ? 1 : 0;
+
+}
+
+BAREBOX_CMD_HELP_START(ubirename)
+BAREBOX_CMD_HELP_TEXT("Rename UBI volume(s) from UBIDEV")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(ubirename)
+ .cmd = do_ubirename,
+ BAREBOX_CMD_DESC("rename UBI volume(s)")
+ BAREBOX_CMD_OPTS("UBIDEV OLD_NAME NEW_NAME [OLD_NAME NEW_NAME ...]")
+ BAREBOX_CMD_GROUP(CMD_GRP_PART)
+ BAREBOX_CMD_HELP(cmd_ubirename_help)
+BAREBOX_CMD_END
--
2.10.0
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