Remove the cmd_ prefix from command files

Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>

1 files changed, 685 insertions, 0 deletions

diff --git a/cmd/ubi.c b/cmd/ubi.c
new file mode 100644
index 0000000..753a4db
--- /dev/null
+++ b/cmd/ubi.c
@@ -0,0 +1,685 @@
+/*
+ * Unsorted Block Image commands
+ *
+ *  Copyright (C) 2008 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * Copyright 2008-2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <exports.h>
+#include <memalign.h>
+#include <nand.h>
+#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
+#define DEV_TYPE_NOR		3
+
+/* Private own data */
+static struct ubi_device *ubi;
+static char buffer[80];
+static int ubi_initialized;
+
+struct selected_dev {
+	char part_name[80];
+	int selected;
+	int nr;
+	struct mtd_info *mtd_info;
+};
+
+static struct selected_dev ubi_dev;
+
+#ifdef CONFIG_CMD_UBIFS
+int ubifs_is_mounted(void);
+void cmd_ubifs_umount(void);
+#endif
+
+static void display_volume_info(struct ubi_device *ubi)
+{
+	int i;
+
+	for (i = 0; i < (ubi->vtbl_slots + 1); i++) {
+		if (!ubi->volumes[i])
+			continue;	/* Empty record */
+		ubi_dump_vol_info(ubi->volumes[i]);
+	}
+}
+
+static void display_ubi_info(struct ubi_device *ubi)
+{
+	ubi_msg("MTD device name:            \"%s\"", ubi->mtd->name);
+	ubi_msg("MTD device size:            %llu MiB", ubi->flash_size >> 20);
+	ubi_msg("physical eraseblock size:   %d bytes (%d KiB)",
+			ubi->peb_size, ubi->peb_size >> 10);
+	ubi_msg("logical eraseblock size:    %d bytes", ubi->leb_size);
+	ubi_msg("number of good PEBs:        %d", ubi->good_peb_count);
+	ubi_msg("number of bad PEBs:         %d", ubi->bad_peb_count);
+	ubi_msg("smallest flash I/O unit:    %d", ubi->min_io_size);
+	ubi_msg("VID header offset:          %d (aligned %d)",
+			ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
+	ubi_msg("data offset:                %d", ubi->leb_start);
+	ubi_msg("max. allowed volumes:       %d", ubi->vtbl_slots);
+	ubi_msg("wear-leveling threshold:    %d", CONFIG_MTD_UBI_WL_THRESHOLD);
+	ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
+	ubi_msg("number of user volumes:     %d",
+			ubi->vol_count - UBI_INT_VOL_COUNT);
+	ubi_msg("available PEBs:             %d", ubi->avail_pebs);
+	ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
+	ubi_msg("number of PEBs reserved for bad PEB handling: %d",
+			ubi->beb_rsvd_pebs);
+	ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
+}
+
+static int ubi_info(int layout)
+{
+	if (layout)
+		display_volume_info(ubi);
+	else
+		display_ubi_info(ubi);
+
+	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;
+
+	if (req->bytes < 0 || req->alignment < 0 || req->vol_type < 0 ||
+	    req->name_len < 0)
+		goto bad;
+
+	if ((req->vol_id < 0 || req->vol_id >= ubi->vtbl_slots) &&
+	    req->vol_id != UBI_VOL_NUM_AUTO)
+		goto bad;
+
+	if (req->alignment == 0)
+		goto bad;
+
+	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->alignment > ubi->leb_size)
+		goto bad;
+
+	n = req->alignment % ubi->min_io_size;
+	if (req->alignment != 1 && n)
+		goto bad;
+
+	if (req->name_len > UBI_VOL_NAME_MAX) {
+		printf("Name too long!\n");
+		err = ENAMETOOLONG;
+		goto bad;
+	}
+
+	return 0;
+bad:
+	return err;
+}
+
+static int ubi_create_vol(char *volume, int64_t size, int dynamic)
+{
+	struct ubi_mkvol_req req;
+	int err;
+
+	if (dynamic)
+		req.vol_type = UBI_DYNAMIC_VOLUME;
+	else
+		req.vol_type = UBI_STATIC_VOLUME;
+
+	req.vol_id = UBI_VOL_NUM_AUTO;
+	req.alignment = 1;
+	req.bytes = size;
+
+	strcpy(req.name, volume);
+	req.name_len = strlen(volume);
+	req.name[req.name_len] = '\0';
+	req.padding1 = 0;
+	/* It's duplicated at drivers/mtd/ubi/cdev.c */
+	err = verify_mkvol_req(ubi, &req);
+	if (err) {
+		printf("verify_mkvol_req failed %d\n", err);
+		return err;
+	}
+	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 struct ubi_volume *ubi_find_volume(char *volume)
+{
+	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))
+			return vol;
+	}
+
+	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;
+		goto out_err;
+	}
+
+	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;
+	}
+	reserved_pebs = vol->reserved_pebs;
+	for (i = 0; i < vol->reserved_pebs; i++) {
+		err = ubi_eba_unmap_leb(ubi, vol, i);
+		if (err)
+			goto out_err;
+	}
+
+	kfree(vol->eba_tbl);
+	ubi->volumes[vol->vol_id]->eba_tbl = NULL;
+	ubi->volumes[vol->vol_id] = NULL;
+
+	ubi->rsvd_pebs -= reserved_pebs;
+	ubi->avail_pebs += reserved_pebs;
+	i = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs;
+	if (i > 0) {
+		i = ubi->avail_pebs >= i ? i : ubi->avail_pebs;
+		ubi->avail_pebs -= i;
+		ubi->rsvd_pebs += i;
+		ubi->beb_rsvd_pebs += i;
+		if (i > 0)
+			ubi_msg("reserve more %d PEBs", i);
+	}
+	ubi->vol_count -= 1;
+
+	return 0;
+out_err:
+	ubi_err(ubi, "cannot remove volume %s, error %d", volume, err);
+	if (err < 0)
+		err = -err;
+	return err;
+}
+
+static int ubi_volume_continue_write(char *volume, void *buf, size_t size)
+{
+	int err = 1;
+	struct ubi_volume *vol;
+
+	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;
+	}
+
+	if (err) {
+		size = err;
+
+		err = ubi_check_volume(ubi, vol->vol_id);
+		if (err < 0)
+			return -err;
+
+		if (err) {
+			ubi_warn(ubi, "volume %d on UBI device %d is corrupt",
+				 vol->vol_id, ubi->ubi_num);
+			vol->corrupted = 1;
+		}
+
+		vol->checked = 1;
+		ubi_gluebi_updated(vol);
+	}
+
+	return 0;
+}
+
+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;
+	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;
+	}
+	if (vol->upd_marker) {
+		printf("damaged volume, update marker is set");
+		return EBADF;
+	}
+	if (offp == vol->used_bytes)
+		return 0;
+
+	if (size == 0) {
+		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)
+		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_cache_aligned(tbuf_size);
+	if (!tbuf) {
+		printf("NO MEM\n");
+		return ENOMEM;
+	}
+	len = size > tbuf_size ? tbuf_size : size;
+
+	tmp = offp;
+	off = do_div(tmp, vol->usable_leb_size);
+	lnum = tmp;
+	do {
+		if (off + len >= vol->usable_leb_size)
+			len = vol->usable_leb_size - off;
+
+		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;
+		if (off == vol->usable_leb_size) {
+			lnum += 1;
+			off -= vol->usable_leb_size;
+		}
+
+		size -= len;
+		offp += len;
+
+		memcpy(buf, tbuf, len);
+
+		buf += len;
+		len = size > tbuf_size ? tbuf_size : size;
+	} while (size);
+
+	free(tbuf);
+	return err;
+}
+
+static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
+		const char *vid_header_offset)
+{
+	struct mtd_device *dev;
+	struct part_info *part;
+	struct mtd_partition mtd_part;
+	char ubi_mtd_param_buffer[80];
+	u8 pnum;
+	int err;
+
+	if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0)
+		return 1;
+
+	sprintf(buffer, "mtd=%d", pnum);
+	memset(&mtd_part, 0, sizeof(mtd_part));
+	mtd_part.name = buffer;
+	mtd_part.size = part->size;
+	mtd_part.offset = part->offset;
+	add_mtd_partitions(info, &mtd_part, 1);
+
+	strcpy(ubi_mtd_param_buffer, buffer);
+	if (vid_header_offset)
+		sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum,
+				vid_header_offset);
+	err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL);
+	if (err) {
+		del_mtd_partitions(info);
+		return -err;
+	}
+
+	err = ubi_init();
+	if (err) {
+		del_mtd_partitions(info);
+		return -err;
+	}
+
+	ubi_initialized = 1;
+
+	return 0;
+}
+
+int ubi_part(char *part_name, const char *vid_header_offset)
+{
+	int err = 0;
+	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) {
+		const char *vid_header_offset = NULL;
+
+		/* Print current partition */
+		if (argc == 2) {
+			if (!ubi_dev.selected) {
+				printf("Error, no UBI device/partition selected!\n");
+				return 1;
+			}
+
+			printf("Device %d: %s, partition %s\n",
+			       ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name);
+			return 0;
+		}
+
+		if (argc < 3)
+			return CMD_RET_USAGE;
+
+		if (argc > 3)
+			vid_header_offset = argv[3];
+
+		return ubi_part(argv[2], vid_header_offset);
+	}
+
+	if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) {
+		printf("Error, no UBI device/partition selected!\n");
+		return 1;
+	}
+
+	if (strcmp(argv[1], "info") == 0) {
+		int layout = 0;
+		if (argc > 2 && !strncmp(argv[2], "l", 1))
+			layout = 1;
+		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 */
+
+		/* Use maximum available size */
+		size = 0;
+
+		/* E.g., create volume size type */
+		if (argc == 5) {
+			if (strncmp(argv[4], "s", 1) == 0)
+				dynamic = 0;
+			else if (strncmp(argv[4], "d", 1) != 0) {
+				printf("Incorrect type\n");
+				return 1;
+			}
+			argc--;
+		}
+		/* E.g., create volume size */
+		if (argc == 4) {
+			size = simple_strtoull(argv[3], NULL, 16);
+			argc--;
+		}
+		/* Use maximum available 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], "remove", 6) == 0) {
+		/* E.g., remove volume */
+		if (argc == 3)
+			return ubi_remove_vol(argv[2]);
+	}
+
+	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);
+
+		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) {
+		size = 0;
+
+		/* E.g., read volume size */
+		if (argc == 5) {
+			size = simple_strtoul(argv[4], NULL, 16);
+			argc--;
+		}
+
+		/* E.g., read volume */
+		if (argc == 4) {
+			addr = simple_strtoul(argv[2], NULL, 16);
+			argc--;
+		}
+
+		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;
+}
+
+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"
+		" - Remove volume\n"
+	"[Legends]\n"
+	" volume: character name\n"
+	" size: specified in bytes\n"
+	" type: s[tatic] or d[ynamic] (default=dynamic)"
+);