Merge branch 'master' of git://git.denx.de/u-boot-ubi

This commit is contained in:
Wolfgang Denk 2011-03-21 21:40:15 +01:00
commit 62043ed02a

View file

@ -123,7 +123,7 @@ static int ubi_info(int layout)
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)
@ -136,8 +136,11 @@ static int verify_mkvol_req(const struct ubi_device *ubi,
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)
@ -151,13 +154,13 @@ static int verify_mkvol_req(const struct ubi_device *ubi,
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;
}
@ -191,34 +194,39 @@ static int ubi_create_vol(char *volume, int size, int dynamic)
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;
@ -231,8 +239,8 @@ static int ubi_remove_vol(char *volume)
}
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;
@ -249,56 +257,46 @@ static int ubi_remove_vol(char *volume)
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)
{
int i = 0, err = -1;
int err = 1;
int rsvd_bytes = 0;
int found = 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, i);
found = 1;
break;
}
}
if (!found) {
printf("%s volume not found\n", volume);
return 1;
}
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("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;
printf("size > volume size! Aborting!\n");
return EINVAL;
}
err = ubi_start_update(ubi, vol, size);
if (err < 0) {
printf("Cannot start volume update\n");
return err;
return -err;
}
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",
@ -310,47 +308,39 @@ static int ubi_volume_write(char *volume, void *buf, size_t size)
ubi_gluebi_updated(vol);
}
printf("%d bytes written to volume %s\n", size, volume);
return 0;
}
static int ubi_volume_read(char *volume, char *buf, size_t size)
{
int err, lnum, off, len, tbuf_size, i = 0;
int err, lnum, off, len, tbuf_size;
size_t count_save = size;
void *tbuf;
unsigned long long tmp;
struct ubi_volume *vol = NULL;
struct ubi_volume *vol;
loff_t offp = 0;
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;
}
}
if (i == ubi->vtbl_slots) {
printf("%s volume not found\n", volume);
return -ENODEV;
}
vol = ubi_find_volume(volume);
if (vol == NULL)
return ENODEV;
printf("read %i bytes from volume %d to %x(buf address)\n",
(int) size, vol->vol_id, (unsigned)buf);
printf("Read %d bytes from volume %s to %p\n", size, volume, buf);
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;
}
@ -365,7 +355,7 @@ static int ubi_volume_read(char *volume, char *buf, size_t size)
tbuf = malloc(tbuf_size);
if (!tbuf) {
printf("NO MEM\n");
return -ENOMEM;
return ENOMEM;
}
len = size > tbuf_size ? tbuf_size : size;
@ -379,6 +369,7 @@ static int ubi_volume_read(char *volume, char *buf, size_t 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;
@ -397,7 +388,7 @@ static int ubi_volume_read(char *volume, char *buf, size_t size)
} while (size);
free(tbuf);
return err ? err : count_save - size;
return err;
}
static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
@ -427,13 +418,13 @@ 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;
@ -565,8 +556,10 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
argc--;
}
/* Use maximum available size */
if (!size)
if (!size) {
size = ubi->avail_pebs * ubi->leb_size;
printf("No size specified -> Using max size (%u)\n", size);
}
/* E.g., create volume */
if (argc == 3)
return ubi_create_vol(argv[2], size, dynamic);
@ -610,7 +603,7 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
}
printf("Please see usage\n");
return -1;
return 1;
}
U_BOOT_CMD(