]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/cmd_ubi.c
karo: configs: Update the tx6*_defconfig files from defconfigs generated with 'make...
[karo-tx-uboot.git] / common / cmd_ubi.c
index 2484b404914fba8d22534ad1e5b6e9ee0c281cc5..10eea655701e793fd6641f2e22972b78c1651f76 100644 (file)
 #include <onenand_uboot.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
+#include <linux/err.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
@@ -42,32 +46,10 @@ struct selected_dev {
 
 static struct selected_dev ubi_dev;
 
-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");
-}
+#ifdef CONFIG_CMD_UBIFS
+int ubifs_is_mounted(void);
+void cmd_ubifs_umount(void);
+#endif
 
 static void display_volume_info(struct ubi_device *ubi)
 {
@@ -115,10 +97,31 @@ static int ubi_info(int layout)
        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 1;
+}
+
+
 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)
@@ -131,8 +134,11 @@ 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)
@@ -146,17 +152,17 @@ 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;
 }
 
-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;
@@ -180,40 +186,45 @@ static int ubi_create_vol(char *volume, int size, int dynamic)
                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;
@@ -226,8 +237,8 @@ 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;
@@ -244,56 +255,33 @@ 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)
+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",
@@ -308,59 +296,77 @@ static int ubi_volume_write(char *volume, void *buf, size_t size)
        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_size = ALIGN(size, ubi->min_io_size);
-       tbuf = malloc(tbuf_size);
+       tbuf = malloc_cache_aligned(tbuf_size);
        if (!tbuf) {
                printf("NO MEM\n");
-               return -ENOMEM;
+               return ENOMEM;
        }
        len = size > tbuf_size ? tbuf_size : size;
 
@@ -374,6 +380,7 @@ 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;
@@ -392,7 +399,7 @@ 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,
@@ -422,13 +429,13 @@ 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;
@@ -436,28 +443,82 @@ static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
        return 0;
 }
 
-static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *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) {
@@ -471,53 +532,13 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                        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)) {
@@ -532,6 +553,14 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                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 */
 
@@ -550,12 +579,14 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                }
                /* 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);
@@ -568,6 +599,8 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
        }
 
        if (strncmp(argv[1], "write", 5) == 0) {
+               int ret;
+
                if (argc < 5) {
                        printf("Please see usage\n");
                        return 1;
@@ -576,7 +609,26 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                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) {
@@ -594,25 +646,34 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
                        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"