#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
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:");
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;
+ int n, err = EINVAL;
if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
req->name_len < 0)
if (req->alignment == 0)
goto bad;
- if (req->bytes == 0)
+ 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->name_len > UBI_VOL_NAME_MAX) {
- err = -ENAMETOOLONG;
+ printf("Name too long!\n");
+ err = ENAMETOOLONG;
goto bad;
}
return 0;
bad:
- printf("bad volume creation request");
return err;
}
-static int ubi_create_vol(char *volume, int size, int dynamic)
+static int ubi_create_vol(char *volume, int64_t size, int dynamic)
{
struct ubi_mkvol_req req;
int err;
printf("verify_mkvol_req failed %d\n", err);
return err;
}
- printf("Creating %s volume %s of size %d\n",
+ 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 int ubi_remove_vol(char *volume)
+static struct ubi_volume *ubi_find_volume(char *volume)
{
- int i, err, reserved_pebs;
- int found = 0, vol_id = 0;
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)) {
- printf("Volume %s found at valid %d\n", volume, i);
- vol_id = i;
- found = 1;
- break;
- }
+ if (vol && !strcmp(vol->name, volume))
+ return vol;
}
- if (!found) {
- printf("%s volume not found\n", volume);
- return -ENODEV;
- }
- printf("remove UBI volume %s (id %d)\n", vol->name, vol->vol_id);
+
+ 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;
+ err = EROFS;
goto out_err;
}
- err = ubi_change_vtbl_record(ubi, vol_id, NULL);
+ 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;
}
kfree(vol->eba_tbl);
- ubi->volumes[vol_id]->eba_tbl = NULL;
- ubi->volumes[vol_id] = NULL;
+ ubi->volumes[vol->vol_id]->eba_tbl = NULL;
+ ubi->volumes[vol->vol_id] = NULL;
ubi->rsvd_pebs -= reserved_pebs;
ubi->avail_pebs += reserved_pebs;
return 0;
out_err:
- ubi_err("cannot remove volume %d, error %d", vol_id, err);
+ ubi_err("cannot remove volume %s, error %d", volume, err);
+ if (err < 0)
+ err = -err;
return err;
}
-static int ubi_volume_write(char *volume, void *buf, size_t size)
+static int ubi_volume_continue_write(char *volume, void *buf, size_t size)
{
- int i = 0, err = -1;
- int rsvd_bytes = 0;
- int found = 0;
+ int err = 1;
struct ubi_volume *vol;
- for (i = 0; i < ubi->vtbl_slots; i++) {
- vol = ubi->volumes[i];
- if (vol && !strcmp(vol->name, volume)) {
- printf("Volume \"%s\" found at volume id %d\n", volume, i);
- found = 1;
- break;
- }
- }
- if (!found) {
- printf("%s volume not found\n", volume);
- return 1;
- }
- rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad);
- if (size < 0 || size > rsvd_bytes) {
- printf("rsvd_bytes=%d vol->reserved_pebs=%d ubi->leb_size=%d\n",
- rsvd_bytes, vol->reserved_pebs, ubi->leb_size);
- printf("vol->data_pad=%d\n", vol->data_pad);
- printf("Size > volume size !!\n");
- return 1;
- }
-
- err = ubi_start_update(ubi, vol, size);
- if (err < 0) {
- printf("Cannot start volume update\n");
- return err;
- }
+ 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;
+ 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 < 0)
+ return -err;
if (err) {
ubi_warn("volume %d on UBI device %d is corrupted",
return 0;
}
-static int ubi_volume_read(char *volume, char *buf, size_t size)
+int ubi_volume_begin_write(char *volume, void *buf, size_t size,
+ size_t full_size)
{
- int err, lnum, off, len, tbuf_size, i = 0;
- size_t count_save = size;
- void *tbuf;
- unsigned long long tmp;
- struct ubi_volume *vol = NULL;
- loff_t offp = 0;
+ int err = 1;
+ int rsvd_bytes = 0;
+ struct ubi_volume *vol;
- for (i = 0; i < ubi->vtbl_slots; i++) {
- vol = ubi->volumes[i];
- if (vol && !strcmp(vol->name, volume)) {
- printf("Volume %s found at volume id %d\n",
- volume, vol->vol_id);
- break;
- }
+ 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;
}
- if (i == ubi->vtbl_slots) {
- printf("%s volume not found\n", volume);
- return -ENODEV;
+
+ err = ubi_start_update(ubi, vol, full_size);
+ if (err < 0) {
+ printf("Cannot start volume update\n");
+ return -err;
}
- printf("read %i bytes from volume %d to %x(buf address)\n",
- (int) size, vol->vol_id, (unsigned)buf);
+ 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;
+ return EBUSY;
}
if (vol->upd_marker) {
printf("damaged volume, update marker is set");
- return -EBADF;
+ return EBADF;
}
if (offp == vol->used_bytes)
return 0;
if (size == 0) {
- printf("Read [%lu] bytes\n", (unsigned long) vol->used_bytes);
+ 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)
- count_save = size = vol->used_bytes - offp;
+ size = vol->used_bytes - offp;
tbuf_size = vol->usable_leb_size;
if (size < tbuf_size)
tbuf = malloc(tbuf_size);
if (!tbuf) {
printf("NO MEM\n");
- return -ENOMEM;
+ return ENOMEM;
}
len = size > tbuf_size ? tbuf_size : size;
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;
} while (size);
free(tbuf);
- return err ? err : count_save - size;
+ return err;
}
static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL);
if (err) {
del_mtd_partitions(info);
- return err;
+ return -err;
}
err = ubi_init();
if (err) {
del_mtd_partitions(info);
- return err;
+ return -err;
}
ubi_initialized = 1;
return 0;
}
-static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+int ubi_part(char *part_name, const char *vid_header_offset)
{
- size_t size = 0;
- ulong addr = 0;
int err = 0;
+ char mtd_dev[16];
+ struct mtd_device *dev;
+ struct part_info *part;
+ u8 pnum;
- if (argc < 2) {
- cmd_usage(cmdtp);
+ if (mtdparts_init() != 0) {
+ printf("Error initializing mtdparts!\n");
return 1;
}
- if (mtdparts_init() != 0) {
- printf("Error initializing mtdparts!\n");
+#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) {
- char mtd_dev[16];
- struct mtd_device *dev;
- struct part_info *part;
const char *vid_header_offset = NULL;
- u8 pnum;
/* Print current partition */
if (argc == 2) {
return 0;
}
- if (argc < 3) {
- cmd_usage(cmdtp);
- return 1;
- }
-
- /* 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(argv[2], &dev, &pnum, &part)) {
- printf("Partition %s not found!\n", argv[2]);
- 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", argv[2], mtd_dev);
- return 1;
- }
-
- ubi_dev.selected = 1;
+ if (argc < 3)
+ return CMD_RET_USAGE;
if (argc > 3)
vid_header_offset = argv[3];
- strcpy(ubi_dev.part_name, argv[2]);
- 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;
+ return ubi_part(argv[2], vid_header_offset);
}
if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) {
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 */
}
/* E.g., create volume size */
if (argc == 4) {
- size = simple_strtoul(argv[3], NULL, 16);
+ size = simple_strtoull(argv[3], NULL, 16);
argc--;
}
/* Use maximum available size */
- if (!size)
- size = ubi->avail_pebs * ubi->leb_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], "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);
- return ubi_volume_write(argv[3], (void *)addr, size);
+ 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) {
argc--;
}
- if (argc == 3)
+ 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;
+ return 1;
}
-U_BOOT_CMD(ubi, 6, 1, do_ubi,
+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"
projects / J-u-boot.git / blobdiff