diff options
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_ubi.c')
| -rw-r--r-- | qemu/roms/u-boot/common/cmd_ubi.c | 711 |
1 files changed, 0 insertions, 711 deletions
diff --git a/qemu/roms/u-boot/common/cmd_ubi.c b/qemu/roms/u-boot/common/cmd_ubi.c deleted file mode 100644 index 7c4d950e9..000000000 --- a/qemu/roms/u-boot/common/cmd_ubi.c +++ /dev/null @@ -1,711 +0,0 @@ -/* - * Unsorted Block Image commands - * - * Copyright (C) 2008 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Copyright 2008-2009 Stefan Roese <sr@denx.de>, DENX Software Engineering - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <common.h> -#include <command.h> -#include <exports.h> - -#include <nand.h> -#include <onenand_uboot.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <ubi_uboot.h> -#include <asm/errno.h> -#include <jffs2/load_kernel.h> - -#undef ubi_msg -#define ubi_msg(fmt, ...) printf("UBI: " fmt "\n", ##__VA_ARGS__) - -#define DEV_TYPE_NONE 0 -#define DEV_TYPE_NAND 1 -#define DEV_TYPE_ONENAND 2 -#define DEV_TYPE_NOR 3 - -/* Private own data */ -static struct ubi_device *ubi; -static char buffer[80]; -static int ubi_initialized; - -struct selected_dev { - char part_name[80]; - int selected; - int nr; - struct mtd_info *mtd_info; -}; - -static struct selected_dev ubi_dev; - -#ifdef CONFIG_CMD_UBIFS -int ubifs_is_mounted(void); -void cmd_ubifs_umount(void); -#endif - -static void ubi_dump_vol_info(const struct ubi_volume *vol) -{ - ubi_msg("volume information dump:"); - ubi_msg("vol_id %d", vol->vol_id); - ubi_msg("reserved_pebs %d", vol->reserved_pebs); - ubi_msg("alignment %d", vol->alignment); - ubi_msg("data_pad %d", vol->data_pad); - ubi_msg("vol_type %d", vol->vol_type); - ubi_msg("name_len %d", vol->name_len); - ubi_msg("usable_leb_size %d", vol->usable_leb_size); - ubi_msg("used_ebs %d", vol->used_ebs); - ubi_msg("used_bytes %lld", vol->used_bytes); - ubi_msg("last_eb_bytes %d", vol->last_eb_bytes); - ubi_msg("corrupted %d", vol->corrupted); - ubi_msg("upd_marker %d", vol->upd_marker); - - if (vol->name_len <= UBI_VOL_NAME_MAX && - strnlen(vol->name, vol->name_len + 1) == vol->name_len) { - ubi_msg("name %s", vol->name); - } else { - ubi_msg("the 1st 5 characters of the name: %c%c%c%c%c", - vol->name[0], vol->name[1], vol->name[2], - vol->name[3], vol->name[4]); - } - printf("\n"); -} - -static void display_volume_info(struct ubi_device *ubi) -{ - int i; - - for (i = 0; i < (ubi->vtbl_slots + 1); i++) { - if (!ubi->volumes[i]) - continue; /* Empty record */ - ubi_dump_vol_info(ubi->volumes[i]); - } -} - -static void display_ubi_info(struct ubi_device *ubi) -{ - ubi_msg("MTD device name: \"%s\"", ubi->mtd->name); - ubi_msg("MTD device size: %llu MiB", ubi->flash_size >> 20); - ubi_msg("physical eraseblock size: %d bytes (%d KiB)", - ubi->peb_size, ubi->peb_size >> 10); - ubi_msg("logical eraseblock size: %d bytes", ubi->leb_size); - ubi_msg("number of good PEBs: %d", ubi->good_peb_count); - ubi_msg("number of bad PEBs: %d", ubi->bad_peb_count); - ubi_msg("smallest flash I/O unit: %d", ubi->min_io_size); - ubi_msg("VID header offset: %d (aligned %d)", - ubi->vid_hdr_offset, ubi->vid_hdr_aloffset); - ubi_msg("data offset: %d", ubi->leb_start); - ubi_msg("max. allowed volumes: %d", ubi->vtbl_slots); - ubi_msg("wear-leveling threshold: %d", CONFIG_MTD_UBI_WL_THRESHOLD); - ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT); - ubi_msg("number of user volumes: %d", - ubi->vol_count - UBI_INT_VOL_COUNT); - ubi_msg("available PEBs: %d", ubi->avail_pebs); - ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs); - ubi_msg("number of PEBs reserved for bad PEB handling: %d", - ubi->beb_rsvd_pebs); - ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec); -} - -static int ubi_info(int layout) -{ - if (layout) - display_volume_info(ubi); - else - display_ubi_info(ubi); - - return 0; -} - -static int ubi_check_volumename(const struct ubi_volume *vol, char *name) -{ - return strcmp(vol->name, name); -} - -static int ubi_check(char *name) -{ - int i; - - for (i = 0; i < (ubi->vtbl_slots + 1); i++) { - if (!ubi->volumes[i]) - continue; /* Empty record */ - - if (!ubi_check_volumename(ubi->volumes[i], name)) - return 0; - } - - return -EEXIST; -} - - -static int verify_mkvol_req(const struct ubi_device *ubi, - const struct ubi_mkvol_req *req) -{ - int n, err = EINVAL; - - if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 || - req->name_len < 0) - goto bad; - - if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) && - req->vol_id != UBI_VOL_NUM_AUTO) - goto bad; - - if (req->alignment == 0) - goto bad; - - if (req->bytes == 0) { - printf("No space left in UBI device!\n"); - err = ENOMEM; - goto bad; - } - - if (req->vol_type != UBI_DYNAMIC_VOLUME && - req->vol_type != UBI_STATIC_VOLUME) - goto bad; - - if (req->alignment > ubi->leb_size) - goto bad; - - n = req->alignment % ubi->min_io_size; - if (req->alignment != 1 && n) - goto bad; - - if (req->name_len > UBI_VOL_NAME_MAX) { - printf("Name too long!\n"); - err = ENAMETOOLONG; - goto bad; - } - - return 0; -bad: - return err; -} - -static int ubi_create_vol(char *volume, int64_t size, int dynamic) -{ - struct ubi_mkvol_req req; - int err; - - if (dynamic) - req.vol_type = UBI_DYNAMIC_VOLUME; - else - req.vol_type = UBI_STATIC_VOLUME; - - req.vol_id = UBI_VOL_NUM_AUTO; - req.alignment = 1; - req.bytes = size; - - strcpy(req.name, volume); - req.name_len = strlen(volume); - req.name[req.name_len] = '\0'; - req.padding1 = 0; - /* It's duplicated at drivers/mtd/ubi/cdev.c */ - err = verify_mkvol_req(ubi, &req); - if (err) { - printf("verify_mkvol_req failed %d\n", err); - return err; - } - printf("Creating %s volume %s of size %lld\n", - dynamic ? "dynamic" : "static", volume, size); - /* Call real ubi create volume */ - return ubi_create_volume(ubi, &req); -} - -static struct ubi_volume *ubi_find_volume(char *volume) -{ - struct ubi_volume *vol = NULL; - int i; - - for (i = 0; i < ubi->vtbl_slots; i++) { - vol = ubi->volumes[i]; - if (vol && !strcmp(vol->name, volume)) - return vol; - } - - printf("Volume %s not found!\n", volume); - return NULL; -} - -static int ubi_remove_vol(char *volume) -{ - int err, reserved_pebs, i; - struct ubi_volume *vol; - - vol = ubi_find_volume(volume); - if (vol == NULL) - return ENODEV; - - printf("Remove UBI volume %s (id %d)\n", vol->name, vol->vol_id); - - if (ubi->ro_mode) { - printf("It's read-only mode\n"); - err = EROFS; - goto out_err; - } - - err = ubi_change_vtbl_record(ubi, vol->vol_id, NULL); - if (err) { - printf("Error changing Vol tabel record err=%x\n", err); - goto out_err; - } - reserved_pebs = vol->reserved_pebs; - for (i = 0; i < vol->reserved_pebs; i++) { - err = ubi_eba_unmap_leb(ubi, vol, i); - if (err) - goto out_err; - } - - kfree(vol->eba_tbl); - ubi->volumes[vol->vol_id]->eba_tbl = NULL; - ubi->volumes[vol->vol_id] = NULL; - - ubi->rsvd_pebs -= reserved_pebs; - ubi->avail_pebs += reserved_pebs; - i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; - if (i > 0) { - i = ubi->avail_pebs >= i ? i : ubi->avail_pebs; - ubi->avail_pebs -= i; - ubi->rsvd_pebs += i; - ubi->beb_rsvd_pebs += i; - if (i > 0) - ubi_msg("reserve more %d PEBs", i); - } - ubi->vol_count -= 1; - - return 0; -out_err: - ubi_err("cannot remove volume %s, error %d", volume, err); - if (err < 0) - err = -err; - return err; -} - -int ubi_volume_continue_write(char *volume, void *buf, size_t size) -{ - int err = 1; - struct ubi_volume *vol; - - vol = ubi_find_volume(volume); - if (vol == NULL) - return ENODEV; - - err = ubi_more_update_data(ubi, vol, buf, size); - if (err < 0) { - printf("Couldnt or partially wrote data\n"); - return -err; - } - - if (err) { - size = err; - - err = ubi_check_volume(ubi, vol->vol_id); - if (err < 0) - return -err; - - if (err) { - ubi_warn("volume %d on UBI device %d is corrupted", - vol->vol_id, ubi->ubi_num); - vol->corrupted = 1; - } - - vol->checked = 1; - ubi_gluebi_updated(vol); - } - - return 0; -} - -int ubi_volume_begin_write(char *volume, void *buf, size_t size, - size_t full_size) -{ - int err = 1; - int rsvd_bytes = 0; - struct ubi_volume *vol; - - vol = ubi_find_volume(volume); - if (vol == NULL) - return ENODEV; - - rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); - if (size < 0 || size > rsvd_bytes) { - printf("size > volume size! Aborting!\n"); - return EINVAL; - } - - err = ubi_start_update(ubi, vol, full_size); - if (err < 0) { - printf("Cannot start volume update\n"); - return -err; - } - - return ubi_volume_continue_write(volume, buf, size); -} - -int ubi_volume_write(char *volume, void *buf, size_t size) -{ - return ubi_volume_begin_write(volume, buf, size, size); -} - -int ubi_volume_read(char *volume, char *buf, size_t size) -{ - int err, lnum, off, len, tbuf_size; - void *tbuf; - unsigned long long tmp; - struct ubi_volume *vol; - loff_t offp = 0; - - vol = ubi_find_volume(volume); - if (vol == NULL) - return ENODEV; - - if (vol->updating) { - printf("updating"); - return EBUSY; - } - if (vol->upd_marker) { - printf("damaged volume, update marker is set"); - return EBADF; - } - if (offp == vol->used_bytes) - return 0; - - if (size == 0) { - printf("No size specified -> Using max size (%lld)\n", vol->used_bytes); - size = vol->used_bytes; - } - - if (vol->corrupted) - printf("read from corrupted volume %d", vol->vol_id); - if (offp + size > vol->used_bytes) - size = vol->used_bytes - offp; - - tbuf_size = vol->usable_leb_size; - if (size < tbuf_size) - tbuf_size = ALIGN(size, ubi->min_io_size); - tbuf = malloc(tbuf_size); - if (!tbuf) { - printf("NO MEM\n"); - return ENOMEM; - } - len = size > tbuf_size ? tbuf_size : size; - - tmp = offp; - off = do_div(tmp, vol->usable_leb_size); - lnum = tmp; - do { - if (off + len >= vol->usable_leb_size) - len = vol->usable_leb_size - off; - - err = ubi_eba_read_leb(ubi, vol, lnum, tbuf, off, len, 0); - if (err) { - printf("read err %x\n", err); - err = -err; - break; - } - off += len; - if (off == vol->usable_leb_size) { - lnum += 1; - off -= vol->usable_leb_size; - } - - size -= len; - offp += len; - - memcpy(buf, tbuf, len); - - buf += len; - len = size > tbuf_size ? tbuf_size : size; - } while (size); - - free(tbuf); - return err; -} - -static int ubi_dev_scan(struct mtd_info *info, char *ubidev, - const char *vid_header_offset) -{ - struct mtd_device *dev; - struct part_info *part; - struct mtd_partition mtd_part; - char ubi_mtd_param_buffer[80]; - u8 pnum; - int err; - - if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) - return 1; - - sprintf(buffer, "mtd=%d", pnum); - memset(&mtd_part, 0, sizeof(mtd_part)); - mtd_part.name = buffer; - mtd_part.size = part->size; - mtd_part.offset = part->offset; - add_mtd_partitions(info, &mtd_part, 1); - - strcpy(ubi_mtd_param_buffer, buffer); - if (vid_header_offset) - sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum, - vid_header_offset); - err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL); - if (err) { - del_mtd_partitions(info); - return -err; - } - - err = ubi_init(); - if (err) { - del_mtd_partitions(info); - return -err; - } - - ubi_initialized = 1; - - return 0; -} - -int ubi_part(char *part_name, const char *vid_header_offset) -{ - int err = 0; - char mtd_dev[16]; - struct mtd_device *dev; - struct part_info *part; - u8 pnum; - - if (mtdparts_init() != 0) { - printf("Error initializing mtdparts!\n"); - return 1; - } - -#ifdef CONFIG_CMD_UBIFS - /* - * Automatically unmount UBIFS partition when user - * changes the UBI device. Otherwise the following - * UBIFS commands will crash. - */ - if (ubifs_is_mounted()) - cmd_ubifs_umount(); -#endif - - /* todo: get dev number for NAND... */ - ubi_dev.nr = 0; - - /* - * Call ubi_exit() before re-initializing the UBI subsystem - */ - if (ubi_initialized) { - ubi_exit(); - del_mtd_partitions(ubi_dev.mtd_info); - } - - /* - * Search the mtd device number where this partition - * is located - */ - if (find_dev_and_part(part_name, &dev, &pnum, &part)) { - printf("Partition %s not found!\n", part_name); - return 1; - } - sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num); - ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev); - if (IS_ERR(ubi_dev.mtd_info)) { - printf("Partition %s not found on device %s!\n", part_name, - mtd_dev); - return 1; - } - - ubi_dev.selected = 1; - - strcpy(ubi_dev.part_name, part_name); - err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name, - vid_header_offset); - if (err) { - printf("UBI init error %d\n", err); - ubi_dev.selected = 0; - return err; - } - - ubi = ubi_devices[0]; - - return 0; -} - -static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int64_t size = 0; - ulong addr = 0; - - if (argc < 2) - return CMD_RET_USAGE; - - if (strcmp(argv[1], "part") == 0) { - const char *vid_header_offset = NULL; - - /* Print current partition */ - if (argc == 2) { - if (!ubi_dev.selected) { - printf("Error, no UBI device/partition selected!\n"); - return 1; - } - - printf("Device %d: %s, partition %s\n", - ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name); - return 0; - } - - if (argc < 3) - return CMD_RET_USAGE; - - if (argc > 3) - vid_header_offset = argv[3]; - - return ubi_part(argv[2], vid_header_offset); - } - - if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) { - 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 (strcmp(argv[1], "check") == 0) { - if (argc > 2) - return ubi_check(argv[2]); - - printf("Error, no volume name passed\n"); - return 1; - } - - 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_strtoull(argv[3], NULL, 16); - argc--; - } - /* Use maximum available size */ - if (!size) { - size = (int64_t)ubi->avail_pebs * ubi->leb_size; - printf("No size specified -> Using max size (%lld)\n", 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) { - int ret; - - if (argc < 5) { - printf("Please see usage\n"); - return 1; - } - - addr = simple_strtoul(argv[2], NULL, 16); - size = simple_strtoul(argv[4], NULL, 16); - - if (strlen(argv[1]) == 10 && - strncmp(argv[1] + 5, ".part", 5) == 0) { - if (argc < 6) { - ret = ubi_volume_continue_write(argv[3], - (void *)addr, size); - } else { - size_t full_size; - full_size = simple_strtoul(argv[5], NULL, 16); - ret = ubi_volume_begin_write(argv[3], - (void *)addr, size, full_size); - } - } else { - ret = ubi_volume_write(argv[3], (void *)addr, size); - } - if (!ret) { - printf("%lld bytes written to volume %s\n", size, - argv[3]); - } - - return ret; - } - - 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) { - printf("Read %lld bytes from volume %s to %lx\n", size, - argv[3], addr); - - 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 [part] [offset]\n" - " - Show or set current partition (with optional VID" - " header offset)\n" - "ubi info [l[ayout]]" - " - Display volume and ubi layout information\n" - "ubi check volumename" - " - check if volumename exists\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 write.part address volume size [fullsize]\n" - " - Write part of a volume from address\n" - "ubi read[vol] address volume [size]" - " - Read volume to address with size\n" - "ubi remove[vol] volume" - " - Remove volume\n" - "[Legends]\n" - " volume: character name\n" - " size: specified in bytes\n" - " type: s[tatic] or d[ynamic] (default=dynamic)" -); |