X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_ubi.c;h=122ba7e171c1da4b9238bb3db2e967a156b39d95;hb=5c2859cdc30287b3593d9df88f48c31eecb0bbed;hp=4c358924e440cfc636dbc1f8f9195f90718eb3fc;hpb=3680aed04f6c971b5f5d66ca7ea82d68f81b0f41;p=karo-tx-uboot.git

diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index 4c358924e4..122ba7e171 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -4,7 +4,7 @@
  *  Copyright (C) 2008 Samsung Electronics
  *  Kyungmin Park <kyungmin.park@samsung.com>
  *
- * Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
+ * 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
@@ -23,6 +23,9 @@
 #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
@@ -34,15 +37,19 @@ static char buffer[80];
 static int ubi_initialized;
 
 struct selected_dev {
-	char dev_name[32];	/* NAND/OneNAND etc */
 	char part_name[80];
-	int type;
+	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 ubi_dump_vol_info(const struct ubi_volume *vol)
 {
 	ubi_msg("volume information dump:");
@@ -119,7 +126,7 @@ 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)
@@ -132,8 +139,11 @@ 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)
@@ -147,17 +157,17 @@ 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;
@@ -181,40 +191,45 @@ 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;
+	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;
@@ -227,8 +242,8 @@ 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;
@@ -245,56 +260,33 @@ 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)
+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",
@@ -309,51 +301,69 @@ 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 0;
+
+	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)
@@ -361,7 +371,7 @@ 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;
 
@@ -375,6 +385,7 @@ 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;
@@ -393,20 +404,19 @@ 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)
+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 (mtdparts_init() != 0)
-		return 1;
-
 	if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0)
 		return 1;
 
@@ -417,16 +427,20 @@ static int ubi_dev_scan(struct mtd_info *info, char *ubidev)
 	mtd_part.offset = part->offset;
 	add_mtd_partitions(info, &mtd_part, 1);
 
-	err = ubi_mtd_param_parse(buffer, NULL);
+	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;
+		return -err;
 	}
 
 	err = ubi_init();
 	if (err) {
 		del_mtd_partitions(info);
-		return err;
+		return -err;
 	}
 
 	ubi_initialized = 1;
@@ -434,90 +448,105 @@ 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 (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
 
-	if (argc < 2) {
-		printf("Usage:\n%s\n", cmdtp->usage);
+	/* 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.type == DEV_TYPE_NONE) {
+			if (!ubi_dev.selected) {
 				printf("Error, no UBI device/partition selected!\n");
 				return 1;
 			}
 
-			printf("%s Device %d: %s, partition %s\n", ubi_dev.dev_name,
+			printf("Device %d: %s, partition %s\n",
 			       ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name);
 			return 0;
 		}
 
-		if (argc < 4) {
-			printf("Usage:\n%s\n", cmdtp->usage);
-			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);
-		}
+		if (argc < 3)
+			return CMD_RET_USAGE;
 
-		/*
-		 * Check for nand|onenand selection
-		 */
-#if defined(CONFIG_CMD_NAND)
-		if (strcmp(argv[2], "nand") == 0) {
-			strcpy(ubi_dev.dev_name, "NAND");
-			ubi_dev.type = DEV_TYPE_NAND;
-			ubi_dev.mtd_info = &nand_info[ubi_dev.nr];
-		}
-#endif
-#if defined(CONFIG_FLASH_CFI_MTD)
-		if (strcmp(argv[2], "nor") == 0) {
-			strcpy(ubi_dev.dev_name, "NOR");
-			ubi_dev.type = DEV_TYPE_NOR;
-			ubi_dev.mtd_info = get_mtd_device_nm(CFI_MTD_DEV_NAME);
-		}
-#endif
-#if defined(CONFIG_CMD_ONENAND)
-		if (strcmp(argv[2], "onenand") == 0) {
-			strcpy(ubi_dev.dev_name, "OneNAND");
-			ubi_dev.type = DEV_TYPE_ONENAND;
-			ubi_dev.mtd_info = &onenand_mtd;
-		}
-#endif
+		if (argc > 3)
+			vid_header_offset = argv[3];
 
-		if (ubi_dev.type == DEV_TYPE_NONE) {
-			printf("Error, no UBI device/partition selected!\n");
-			return 1;
-		}
-
-		strcpy(ubi_dev.part_name, argv[3]);
-		err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name);
-		if (err) {
-			printf("UBI init error %d\n", err);
-			ubi_dev.type = DEV_TYPE_NONE;
-			return err;
-		}
-
-		ubi = ubi_devices[0];
-
-		return 0;
+		return ubi_part(argv[2], vid_header_offset);
 	}
 
-	if ((strcmp(argv[1], "part") != 0) && (ubi_dev.type == DEV_TYPE_NONE)) {
+	if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) {
 		printf("Error, no UBI device/partition selected!\n");
 		return 1;
 	}
@@ -547,12 +576,14 @@ 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);
@@ -565,6 +596,8 @@ 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;
@@ -573,7 +606,26 @@ 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) {
@@ -591,30 +643,38 @@ 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,
-	"ubi      - ubi commands\n",
-        "part [nand|nor|onenand] [part]"
-		" - Show or set current partition\n"
+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 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: charater name\n"
-	" size: KiB, MiB, GiB, and bytes\n"
-	" type: s[tatic] or d[ynamic] (default=dynamic)\n"
+	" volume: character name\n"
+	" size: specified in bytes\n"
+	" type: s[tatic] or d[ynamic] (default=dynamic)"
 );