summaryrefslogtreecommitdiff
path: root/common
diff options
context:
space:
mode:
Diffstat (limited to 'common')
-rw-r--r--common/cmd_ubi.c137
1 files changed, 65 insertions, 72 deletions
diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index b486ca8..629758f 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -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(
generated by cgit v1.1 at 2024-11-24 06:18:50 +0000