From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-in-15.arcor-online.net ([151.189.21.55]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1boTX6-0006zt-Jn for barebox@lists.infradead.org; Mon, 26 Sep 2016 10:53:14 +0000 Received: from mail-in-17-z2.arcor-online.net (mail-in-17-z2.arcor-online.net [151.189.8.34]) by mx.arcor.de (Postfix) with ESMTP id 3sjLQm1mwxzC168 for ; Mon, 26 Sep 2016 12:52:48 +0200 (CEST) From: Giorgio Dal Molin Date: Mon, 26 Sep 2016 12:52:33 +0200 Message-Id: <20160926105233.26387-3-iw3gtf@arcor.de> In-Reply-To: <20160926105233.26387-1-iw3gtf@arcor.de> References: <20160926105233.26387-1-iw3gtf@arcor.de> In-Reply-To: <20160926061912.elzmjbs4mdv5ztrb@pengutronix.de> References: <20160926061912.elzmjbs4mdv5ztrb@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/2] mtd: ubi: commands: added the new command 'ubirename'. To: barebox@lists.infradead.org Cc: Giorgio Dal Molin Signed-off-by: Giorgio Dal Molin --- commands/ubi.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/commands/ubi.c b/commands/ubi.c index 7c55195..34247d6 100644 --- a/commands/ubi.c +++ b/commands/ubi.c @@ -328,3 +328,75 @@ BAREBOX_CMD_START(ubirmvol) BAREBOX_CMD_GROUP(CMD_GRP_PART) BAREBOX_CMD_HELP(cmd_ubirmvol_help) BAREBOX_CMD_END + +static int get_vol_id(u32 ubi_num, const char *name) +{ + struct ubi_volume_desc *desc; + struct ubi_volume_info vi; + + desc = ubi_open_volume_nm(ubi_num, name, UBI_READONLY); + if(IS_ERR(desc)) + return PTR_ERR(desc); + + 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; + u32 ubi_num; + 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; + } + + fd = open(argv[1], O_WRONLY); + if (fd < 0) { + perror("unable to open the UBI device"); + return 1; + } + + ret = ioctl(fd, UBI_IOCGETUBINUM, &ubi_num); + if (ret) { + perror("failed to get the ubi num"); + return COMMAND_ERROR_USAGE; + } + close(fd); + + for(i=2, j=0; i < argc; ++j, i += 2) { + req.ents[j].vol_id = get_vol_id(ubi_num, argv[i]); + if(req.ents[j].vol_id < 0) { + printf("Volume '%s' does not exist on %s\n", argv[i], argv[1]); + 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); + } + + ret = ubi_api_rename_volumes(ubi_num, &req); + if (ret) + perror("failed to rename."); + + 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox