From patchwork Tue Sep 18 22:37:54 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Warren X-Patchwork-Id: 184870 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id EB73D2C0095 for ; Wed, 19 Sep 2012 08:39:30 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E0B5F281EE; Wed, 19 Sep 2012 00:39:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rN53EpeTpzaW; Wed, 19 Sep 2012 00:39:12 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id EC10F281E9; Wed, 19 Sep 2012 00:38:38 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 708732819B for ; Wed, 19 Sep 2012 00:38:31 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WarKVUWIUr7i for ; Wed, 19 Sep 2012 00:38:30 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from avon.wwwdotorg.org (avon.wwwdotorg.org [70.85.31.133]) by theia.denx.de (Postfix) with ESMTPS id 9DB34281AE for ; Wed, 19 Sep 2012 00:38:15 +0200 (CEST) Received: from severn.wwwdotorg.org (unknown [192.168.65.5]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by avon.wwwdotorg.org (Postfix) with ESMTPS id 413C16411; Tue, 18 Sep 2012 16:38:43 -0600 (MDT) Received: from localhost.localdomain (localhost [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by severn.wwwdotorg.org (Postfix) with ESMTPSA id A08D9E4103; Tue, 18 Sep 2012 16:38:12 -0600 (MDT) From: Stephen Warren To: Tom Rini , Rob Herring Date: Tue, 18 Sep 2012 16:37:54 -0600 Message-Id: <1348007874-20466-9-git-send-email-swarren@wwwdotorg.org> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1348007874-20466-1-git-send-email-swarren@wwwdotorg.org> References: <1348007874-20466-1-git-send-email-swarren@wwwdotorg.org> X-NVConfidentiality: public X-Virus-Scanned: clamav-milter 0.96.5 at avon.wwwdotorg.org X-Virus-Status: Clean Cc: u-boot@lists.denx.de, Stephen Warren Subject: [U-Boot] [PATCH V3 8/8] cmd_part: add partition-related command X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Stephen Warren This implements the following: part uuid mmc 0:1 -> print partition UUID part uuid mmc 0:1 uuid -> set environment variable to partition UUID part list mmc 0 -> list the partitions on the specified device "part uuid" can be useful when writing a bootcmd which searches all known devices for something bootable, and then wants the kernel to use the same partition as the root device, e.g.: part uuid ${devtype} ${devnum}:${rootpart} uuid setenv bootargs root=PARTUUID=${uuid} ... Signed-off-by: Stephen Warren --- v3: * Rebased on top of u-boot/ext4 and Rob Herring's get_device_and_partition patches. * Implemented "part list" sub-command. v2: * validate that CONFIG_PARTITION_UUID is defined when CONFIG_CMD_PART is --- common/Makefile | 1 + common/cmd_part.c | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 106 insertions(+), 0 deletions(-) create mode 100644 common/cmd_part.c diff --git a/common/Makefile b/common/Makefile index 482795e..b56df1d 100644 --- a/common/Makefile +++ b/common/Makefile @@ -136,6 +136,7 @@ COBJS-$(CONFIG_CMD_NAND) += cmd_nand.o COBJS-$(CONFIG_CMD_NET) += cmd_net.o COBJS-$(CONFIG_CMD_ONENAND) += cmd_onenand.o COBJS-$(CONFIG_CMD_OTP) += cmd_otp.o +COBJS-$(CONFIG_CMD_PART) += cmd_part.o ifdef CONFIG_PCI COBJS-$(CONFIG_CMD_PCI) += cmd_pci.o endif diff --git a/common/cmd_part.c b/common/cmd_part.c new file mode 100644 index 0000000..d997597 --- /dev/null +++ b/common/cmd_part.c @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * made from cmd_ext2, which was: + * + * (C) Copyright 2004 + * esd gmbh + * Reinhard Arlt + * + * made from cmd_reiserfs by + * + * (C) Copyright 2003 - 2004 + * Sysgo Real-Time Solutions, AG + * Pavel Bartusek + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include +#include +#include + +#ifndef CONFIG_PARTITION_UUIDS +#error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled +#endif + +int do_part_uuid(int argc, char * const argv[]) +{ + int part; + block_dev_desc_t *dev_desc; + disk_partition_t info; + + if (argc < 2) + return CMD_RET_USAGE; + if (argc > 3) + return CMD_RET_USAGE; + + part = get_device_and_partition(argv[0], argv[1], &dev_desc, &info, 0); + if (part < 0) + return 1; + + if (argc > 2) + setenv(argv[2], info.uuid); + else + printf("%s\n", info.uuid); + + return 0; +} + +int do_part_list(int argc, char * const argv[]) +{ + int ret; + block_dev_desc_t *desc; + + if (argc != 2) + return CMD_RET_USAGE; + + ret = get_device(argv[0], argv[1], &desc); + if (ret < 0) + return 1; + + print_part(desc); + + return 0; +} + +int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + if (argc < 2) + return CMD_RET_USAGE; + + if (!strcmp(argv[1], "uuid")) + return do_part_uuid(argc - 2, argv + 2); + else if (!strcmp(argv[1], "list")) + return do_part_list(argc - 2, argv + 2); + + return CMD_RET_USAGE; +} + +U_BOOT_CMD( + part, 5, 1, do_part, + "disk partition related commands", + "part uuid :\n" + " - print partition UUID\n" + "part uuid : \n" + " - set environment variable to partition UUID\n" + "part list \n" + " - print a device's partition table" +);