#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
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);
return err;
}
-static int ubi_volume_write(char *volume, void *buf, size_t size)
+int ubi_volume_continue_write(char *volume, void *buf, size_t 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, size);
- if (err < 0) {
- printf("Cannot start volume update\n");
- return -err;
- }
-
err = ubi_more_update_data(ubi, vol, buf, size);
if (err < 0) {
printf("Couldnt or partially wrote data\n");
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 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;
if (vol == NULL)
return ENODEV;
- printf("Read %d bytes from volume %s to %p\n", size, volume, buf);
-
if (vol->updating) {
printf("updating");
return EBUSY;
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;
-
- if (argc < 2)
- return CMD_RET_USAGE;
+ 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) {
- 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) {
if (argc < 3)
return CMD_RET_USAGE;
-#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(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)
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)) {
}
/* 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;
- printf("No size specified -> Using max size (%u)\n", 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)
}
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");
" - 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"