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https://github.com/brain-hackers/u-boot-brain
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![Peter Tyser](/assets/img/avatar_default.png)
Remove command name from all command "usage" fields and update common/command.c to display "name - usage" instead of just "usage". Also remove newlines from command usage fields. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
621 lines
14 KiB
C
621 lines
14 KiB
C
/*
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* Unsorted Block Image commands
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*
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* Copyright (C) 2008 Samsung Electronics
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* Kyungmin Park <kyungmin.park@samsung.com>
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*
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* Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <common.h>
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#include <command.h>
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#include <exports.h>
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#include <nand.h>
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#include <onenand_uboot.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <ubi_uboot.h>
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#include <asm/errno.h>
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#include <jffs2/load_kernel.h>
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#define DEV_TYPE_NONE 0
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#define DEV_TYPE_NAND 1
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#define DEV_TYPE_ONENAND 2
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#define DEV_TYPE_NOR 3
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/* Private own data */
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static struct ubi_device *ubi;
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static char buffer[80];
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static int ubi_initialized;
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struct selected_dev {
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char dev_name[32]; /* NAND/OneNAND etc */
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char part_name[80];
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int type;
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int nr;
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struct mtd_info *mtd_info;
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};
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static struct selected_dev ubi_dev;
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static void ubi_dump_vol_info(const struct ubi_volume *vol)
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{
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ubi_msg("volume information dump:");
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ubi_msg("vol_id %d", vol->vol_id);
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ubi_msg("reserved_pebs %d", vol->reserved_pebs);
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ubi_msg("alignment %d", vol->alignment);
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ubi_msg("data_pad %d", vol->data_pad);
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ubi_msg("vol_type %d", vol->vol_type);
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ubi_msg("name_len %d", vol->name_len);
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ubi_msg("usable_leb_size %d", vol->usable_leb_size);
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ubi_msg("used_ebs %d", vol->used_ebs);
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ubi_msg("used_bytes %lld", vol->used_bytes);
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ubi_msg("last_eb_bytes %d", vol->last_eb_bytes);
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ubi_msg("corrupted %d", vol->corrupted);
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ubi_msg("upd_marker %d", vol->upd_marker);
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if (vol->name_len <= UBI_VOL_NAME_MAX &&
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strnlen(vol->name, vol->name_len + 1) == vol->name_len) {
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ubi_msg("name %s", vol->name);
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} else {
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ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c",
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vol->name[0], vol->name[1], vol->name[2],
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vol->name[3], vol->name[4]);
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}
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printf("\n");
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}
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static void display_volume_info(struct ubi_device *ubi)
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{
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int i;
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for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
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if (!ubi->volumes[i])
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continue; /* Empty record */
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ubi_dump_vol_info(ubi->volumes[i]);
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}
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}
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static void display_ubi_info(struct ubi_device *ubi)
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{
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ubi_msg("MTD device name: \"%s\"", ubi->mtd->name);
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ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20);
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ubi_msg("physical eraseblock size: %d bytes (%d KiB)",
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ubi->peb_size, ubi->peb_size >> 10);
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ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size);
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ubi_msg("number of good PEBs: %d", ubi->good_peb_count);
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ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count);
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ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size);
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ubi_msg("VID header offset: %d (aligned %d)",
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ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
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ubi_msg("data offset: %d", ubi->leb_start);
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ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots);
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ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD);
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ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
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ubi_msg("number of user volumes: %d",
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ubi->vol_count - UBI_INT_VOL_COUNT);
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ubi_msg("available PEBs: %d", ubi->avail_pebs);
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ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
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ubi_msg("number of PEBs reserved for bad PEB handling: %d",
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ubi->beb_rsvd_pebs);
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ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
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}
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static int ubi_info(int layout)
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{
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if (layout)
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display_volume_info(ubi);
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else
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display_ubi_info(ubi);
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return 0;
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}
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static int verify_mkvol_req(const struct ubi_device *ubi,
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const struct ubi_mkvol_req *req)
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{
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int n, err = -EINVAL;
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if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
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req->name_len < 0)
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goto bad;
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if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) &&
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req->vol_id != UBI_VOL_NUM_AUTO)
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goto bad;
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if (req->alignment == 0)
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goto bad;
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if (req->bytes == 0)
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goto bad;
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if (req->vol_type != UBI_DYNAMIC_VOLUME &&
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req->vol_type != UBI_STATIC_VOLUME)
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goto bad;
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if (req->alignment > ubi->leb_size)
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goto bad;
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n = req->alignment % ubi->min_io_size;
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if (req->alignment != 1 && n)
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goto bad;
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if (req->name_len > UBI_VOL_NAME_MAX) {
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err = -ENAMETOOLONG;
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goto bad;
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}
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return 0;
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bad:
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printf("bad volume creation request");
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return err;
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}
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static int ubi_create_vol(char *volume, int size, int dynamic)
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{
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struct ubi_mkvol_req req;
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int err;
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if (dynamic)
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req.vol_type = UBI_DYNAMIC_VOLUME;
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else
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req.vol_type = UBI_STATIC_VOLUME;
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req.vol_id = UBI_VOL_NUM_AUTO;
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req.alignment = 1;
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req.bytes = size;
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strcpy(req.name, volume);
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req.name_len = strlen(volume);
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req.name[req.name_len] = '\0';
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req.padding1 = 0;
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/* It's duplicated at drivers/mtd/ubi/cdev.c */
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err = verify_mkvol_req(ubi, &req);
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if (err) {
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printf("verify_mkvol_req failed %d\n", err);
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return err;
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}
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printf("Creating %s volume %s of size %d\n",
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dynamic ? "dynamic" : "static", volume, size);
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/* Call real ubi create volume */
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return ubi_create_volume(ubi, &req);
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}
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static int ubi_remove_vol(char *volume)
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{
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int i, err, reserved_pebs;
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int found = 0, vol_id = 0;
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struct ubi_volume *vol;
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for (i = 0; i < ubi->vtbl_slots; i++) {
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vol = ubi->volumes[i];
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if (vol && !strcmp(vol->name, volume)) {
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printf("Volume %s found at valid %d\n", volume, i);
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vol_id = i;
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found = 1;
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break;
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}
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}
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if (!found) {
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printf("%s volume not found\n", volume);
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return -ENODEV;
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}
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printf("remove UBI volume %s (id %d)\n", vol->name, vol->vol_id);
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if (ubi->ro_mode) {
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printf("It's read-only mode\n");
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err = -EROFS;
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goto out_err;
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}
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err = ubi_change_vtbl_record(ubi, vol_id, NULL);
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if (err) {
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printf("Error changing Vol tabel record err=%x\n", err);
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goto out_err;
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}
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reserved_pebs = vol->reserved_pebs;
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for (i = 0; i < vol->reserved_pebs; i++) {
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err = ubi_eba_unmap_leb(ubi, vol, i);
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if (err)
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goto out_err;
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}
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kfree(vol->eba_tbl);
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ubi->volumes[vol_id]->eba_tbl = NULL;
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ubi->volumes[vol_id] = NULL;
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ubi->rsvd_pebs -= reserved_pebs;
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ubi->avail_pebs += reserved_pebs;
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i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs;
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if (i > 0) {
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i = ubi->avail_pebs >= i ? i : ubi->avail_pebs;
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ubi->avail_pebs -= i;
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ubi->rsvd_pebs += i;
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ubi->beb_rsvd_pebs += i;
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if (i > 0)
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ubi_msg("reserve more %d PEBs", i);
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}
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ubi->vol_count -= 1;
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return 0;
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out_err:
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ubi_err("cannot remove volume %d, error %d", vol_id, err);
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return err;
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}
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static int ubi_volume_write(char *volume, void *buf, size_t size)
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{
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int i = 0, err = -1;
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int rsvd_bytes = 0;
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int found = 0;
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struct ubi_volume *vol;
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for (i = 0; i < ubi->vtbl_slots; i++) {
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vol = ubi->volumes[i];
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if (vol && !strcmp(vol->name, volume)) {
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printf("Volume \"%s\" found at volume id %d\n", volume, i);
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found = 1;
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break;
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}
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}
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if (!found) {
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printf("%s volume not found\n", volume);
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return 1;
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}
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rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad);
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if (size < 0 || size > rsvd_bytes) {
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printf("rsvd_bytes=%d vol->reserved_pebs=%d ubi->leb_size=%d\n",
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rsvd_bytes, vol->reserved_pebs, ubi->leb_size);
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printf("vol->data_pad=%d\n", vol->data_pad);
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printf("Size > volume size !!\n");
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return 1;
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}
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err = ubi_start_update(ubi, vol, size);
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if (err < 0) {
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printf("Cannot start volume update\n");
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return err;
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}
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err = ubi_more_update_data(ubi, vol, buf, size);
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if (err < 0) {
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printf("Couldnt or partially wrote data \n");
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return err;
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}
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if (err) {
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size = err;
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err = ubi_check_volume(ubi, vol->vol_id);
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if ( err < 0 )
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return err;
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if (err) {
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ubi_warn("volume %d on UBI device %d is corrupted",
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vol->vol_id, ubi->ubi_num);
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vol->corrupted = 1;
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}
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vol->checked = 1;
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ubi_gluebi_updated(vol);
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}
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return 0;
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}
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static int ubi_volume_read(char *volume, char *buf, size_t size)
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{
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int err, lnum, off, len, tbuf_size, i = 0;
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size_t count_save = size;
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void *tbuf;
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unsigned long long tmp;
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struct ubi_volume *vol = NULL;
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loff_t offp = 0;
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for (i = 0; i < ubi->vtbl_slots; i++) {
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vol = ubi->volumes[i];
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if (vol && !strcmp(vol->name, volume)) {
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printf("Volume %s found at volume id %d\n",
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volume, vol->vol_id);
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break;
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}
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}
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if (i == ubi->vtbl_slots) {
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printf("%s volume not found\n", volume);
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return 0;
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}
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printf("read %i bytes from volume %d to %x(buf address)\n",
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(int) size, vol->vol_id, (unsigned)buf);
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if (vol->updating) {
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printf("updating");
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return -EBUSY;
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}
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if (vol->upd_marker) {
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printf("damaged volume, update marker is set");
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return -EBADF;
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}
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if (offp == vol->used_bytes)
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return 0;
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if (size == 0) {
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printf("Read [%lu] bytes\n", (unsigned long) vol->used_bytes);
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size = vol->used_bytes;
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}
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if (vol->corrupted)
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printf("read from corrupted volume %d", vol->vol_id);
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if (offp + size > vol->used_bytes)
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count_save = size = vol->used_bytes - offp;
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tbuf_size = vol->usable_leb_size;
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if (size < tbuf_size)
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tbuf_size = ALIGN(size, ubi->min_io_size);
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tbuf = malloc(tbuf_size);
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if (!tbuf) {
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printf("NO MEM\n");
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return -ENOMEM;
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}
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len = size > tbuf_size ? tbuf_size : size;
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tmp = offp;
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off = do_div(tmp, vol->usable_leb_size);
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lnum = tmp;
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do {
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if (off + len >= vol->usable_leb_size)
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len = vol->usable_leb_size - off;
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err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0);
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if (err) {
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printf("read err %x\n", err);
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break;
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}
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off += len;
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if (off == vol->usable_leb_size) {
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lnum += 1;
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off -= vol->usable_leb_size;
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}
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size -= len;
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offp += len;
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memcpy(buf, tbuf, len);
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buf += len;
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len = size > tbuf_size ? tbuf_size : size;
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} while (size);
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free(tbuf);
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return err ? err : count_save - size;
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}
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static int ubi_dev_scan(struct mtd_info *info, char *ubidev)
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{
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struct mtd_device *dev;
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struct part_info *part;
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struct mtd_partition mtd_part;
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u8 pnum;
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int err;
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if (mtdparts_init() != 0)
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return 1;
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if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0)
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return 1;
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sprintf(buffer, "mtd=%d", pnum);
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memset(&mtd_part, 0, sizeof(mtd_part));
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mtd_part.name = buffer;
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mtd_part.size = part->size;
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mtd_part.offset = part->offset;
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add_mtd_partitions(info, &mtd_part, 1);
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err = ubi_mtd_param_parse(buffer, NULL);
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if (err) {
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del_mtd_partitions(info);
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return err;
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}
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err = ubi_init();
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if (err) {
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del_mtd_partitions(info);
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return err;
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}
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ubi_initialized = 1;
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return 0;
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}
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static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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size_t size = 0;
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ulong addr = 0;
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int err = 0;
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|
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if (argc < 2) {
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cmd_usage(cmdtp);
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return 1;
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}
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if (strcmp(argv[1], "part") == 0) {
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/* Print current partition */
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if (argc == 2) {
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if (ubi_dev.type == DEV_TYPE_NONE) {
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printf("Error, no UBI device/partition selected!\n");
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return 1;
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}
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printf("%s Device %d: %s, partition %s\n", ubi_dev.dev_name,
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ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name);
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return 0;
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}
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|
|
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if (argc < 4) {
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cmd_usage(cmdtp);
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return 1;
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}
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|
|
/* todo: get dev number for NAND... */
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ubi_dev.nr = 0;
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|
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/*
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* Call ubi_exit() before re-initializing the UBI subsystem
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*/
|
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if (ubi_initialized) {
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ubi_exit();
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del_mtd_partitions(ubi_dev.mtd_info);
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}
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|
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/*
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* Check for nand|onenand selection
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*/
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#if defined(CONFIG_CMD_NAND)
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if (strcmp(argv[2], "nand") == 0) {
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strcpy(ubi_dev.dev_name, "NAND");
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ubi_dev.type = DEV_TYPE_NAND;
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ubi_dev.mtd_info = &nand_info[ubi_dev.nr];
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}
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#endif
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#if defined(CONFIG_FLASH_CFI_MTD)
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if (strcmp(argv[2], "nor") == 0) {
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strcpy(ubi_dev.dev_name, "NOR");
|
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ubi_dev.type = DEV_TYPE_NOR;
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ubi_dev.mtd_info = get_mtd_device_nm(CFI_MTD_DEV_NAME);
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}
|
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#endif
|
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#if defined(CONFIG_CMD_ONENAND)
|
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if (strcmp(argv[2], "onenand") == 0) {
|
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strcpy(ubi_dev.dev_name, "OneNAND");
|
|
ubi_dev.type = DEV_TYPE_ONENAND;
|
|
ubi_dev.mtd_info = &onenand_mtd;
|
|
}
|
|
#endif
|
|
|
|
if (ubi_dev.type == DEV_TYPE_NONE) {
|
|
printf("Error, no UBI device/partition selected!\n");
|
|
return 1;
|
|
}
|
|
|
|
strcpy(ubi_dev.part_name, argv[3]);
|
|
err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name);
|
|
if (err) {
|
|
printf("UBI init error %d\n", err);
|
|
ubi_dev.type = DEV_TYPE_NONE;
|
|
return err;
|
|
}
|
|
|
|
ubi = ubi_devices[0];
|
|
|
|
return 0;
|
|
}
|
|
|
|
if ((strcmp(argv[1], "part") != 0) && (ubi_dev.type == DEV_TYPE_NONE)) {
|
|
printf("Error, no UBI device/partition selected!\n");
|
|
return 1;
|
|
}
|
|
|
|
if (strcmp(argv[1], "info") == 0) {
|
|
int layout = 0;
|
|
if (argc > 2 && !strncmp(argv[2], "l", 1))
|
|
layout = 1;
|
|
return ubi_info(layout);
|
|
}
|
|
|
|
if (strncmp(argv[1], "create", 6) == 0) {
|
|
int dynamic = 1; /* default: dynamic volume */
|
|
|
|
/* Use maximum available size */
|
|
size = 0;
|
|
|
|
/* E.g., create volume size type */
|
|
if (argc == 5) {
|
|
if (strncmp(argv[4], "s", 1) == 0)
|
|
dynamic = 0;
|
|
else if (strncmp(argv[4], "d", 1) != 0) {
|
|
printf("Incorrect type\n");
|
|
return 1;
|
|
}
|
|
argc--;
|
|
}
|
|
/* E.g., create volume size */
|
|
if (argc == 4) {
|
|
size = simple_strtoul(argv[3], NULL, 16);
|
|
argc--;
|
|
}
|
|
/* Use maximum available size */
|
|
if (!size)
|
|
size = ubi->avail_pebs * ubi->leb_size;
|
|
/* E.g., create volume */
|
|
if (argc == 3)
|
|
return ubi_create_vol(argv[2], size, dynamic);
|
|
}
|
|
|
|
if (strncmp(argv[1], "remove", 6) == 0) {
|
|
/* E.g., remove volume */
|
|
if (argc == 3)
|
|
return ubi_remove_vol(argv[2]);
|
|
}
|
|
|
|
if (strncmp(argv[1], "write", 5) == 0) {
|
|
if (argc < 5) {
|
|
printf("Please see usage\n");
|
|
return 1;
|
|
}
|
|
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
size = simple_strtoul(argv[4], NULL, 16);
|
|
|
|
return ubi_volume_write(argv[3], (void *)addr, size);
|
|
}
|
|
|
|
if (strncmp(argv[1], "read", 4) == 0) {
|
|
size = 0;
|
|
|
|
/* E.g., read volume size */
|
|
if (argc == 5) {
|
|
size = simple_strtoul(argv[4], NULL, 16);
|
|
argc--;
|
|
}
|
|
|
|
/* E.g., read volume */
|
|
if (argc == 4) {
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
argc--;
|
|
}
|
|
|
|
if (argc == 3)
|
|
return ubi_volume_read(argv[3], (char *)addr, size);
|
|
}
|
|
|
|
printf("Please see usage\n");
|
|
return -1;
|
|
}
|
|
|
|
U_BOOT_CMD(ubi, 6, 1, do_ubi,
|
|
"ubi commands",
|
|
"part [nand|nor|onenand] [part]"
|
|
" - Show or set current partition\n"
|
|
"ubi info [l[ayout]]"
|
|
" - Display volume and ubi layout information\n"
|
|
"ubi create[vol] volume [size] [type]"
|
|
" - create volume name with size\n"
|
|
"ubi write[vol] address volume size"
|
|
" - Write volume from address with size\n"
|
|
"ubi read[vol] address volume [size]"
|
|
" - Read volume to address with size\n"
|
|
"ubi remove[vol] volume"
|
|
" - Remove volume\n"
|
|
"[Legends]\n"
|
|
" volume: charater name\n"
|
|
" size: KiB, MiB, GiB, and bytes\n"
|
|
" type: s[tatic] or d[ynamic] (default=dynamic)\n"
|
|
);
|