add new subcommand :
mtdparts gpt <mtd-dev> [<GUID>]
extract mtd partition from GPT header present in MTD device
> mtdparts gpt nand0
> mtdparts gpt nor0
extract mtd partitions only for some GUID
> mtdparts gpt nand0 data
> mtdparts gpt nor0 0FC63DAF-8483-4772-8E79-3D69D8477DE4
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
Reviewed-by: Christophe KERELLO <christophe.kere...@st.com>
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
cmd/mtdparts.c | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 139 insertions(+), 1 deletion(-)
diff --git a/cmd/mtdparts.c b/cmd/mtdparts.c
index 796bb98..773a925 100644
--- a/cmd/mtdparts.c
+++ b/cmd/mtdparts.c
@@ -1902,6 +1902,111 @@ static struct part_info* mtd_part_info(struct
mtd_device *dev, unsigned int part
return NULL;
}
+#ifdef CONFIG_EFI_PARTITION_MTD
+/**
+ * extract MTD info from GPT information
+ *
+ * @param device string to select GPT device
+ * @param p_guid_filter guid for filtering add
+ *
+ * @return 0 on success, -ENODEV if no such device otherwise error
+ */
+
+static int mtdparts_gpt(char *device, char *p_guid_filter)
+{
+ char tmpbuf[PART_ADD_DESC_MAXLEN];
+ char size_str[17], start_str[17];
+ u8 type, num, len;
+ struct mtdids *id;
+ int part_id;
+ struct mtd_info *mtd;
+ struct mtd_device *dev;
+ struct mtd_device *dev_tmp;
+ disk_partition_t info;
+ struct part_info *p;
+ int ret;
+
+ if (mtd_id_parse(device, NULL, &type, &num) != 0) {
+ printf("invalid MTD device %s\n", device);
+ return 1;
+ }
+
+ /* this may be the first run, initialize lists if needed
+ and make sure we are in sync with env variables */
+ mtdparts_init();
+ /* don't treat error (mtdparts can be empty) */
+
+ id = id_find(type, num);
+ if (id == NULL) {
+ printf("no such device %s defined in mtdids variable\n",
+ device);
+ return -ENODEV;
+ }
+
+ if (get_mtd_info(type, num, &mtd) || (mtd == NULL)) {
+ printf("no such MTD device %s\n", device);
+ return -ENODEV;
+ }
+
+ for (part_id = 1; part_id <= GPT_ENTRY_NUMBERS; part_id++) {
+ if (part_get_info_efi_mtd(mtd, part_id, &info))
+ break; /* Stop for first non valid partition */
+
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ if (p_guid_filter &&
+ strcmp(p_guid_filter, info.type_guid))
+ continue;
+#endif
+ sprintf(size_str, "%llx", (u64)(info.size * info.blksz));
+ sprintf(start_str, "%llx", (u64)(info.start * info.blksz));
+
+ len = strlen(id->mtd_id) + 1; /* 'mtd_id:' */
+ len += strlen(size_str) + 2; /* 0x size */
+ len += strlen(start_str) + 3; /* @0x start */
+ len += strlen((char *)&info.name) + 2; /* '(' name ')' */
+
+ if (len >= PART_ADD_DESC_MAXLEN) {
+ printf("too long partition description\n");
+ return -EINVAL;
+ }
+
+ sprintf(tmpbuf, "%s:0x%s@0x%s(%s)",
+ id->mtd_id, size_str, start_str, info.name);
+
+ debug("add tmpbuf: %s\n", tmpbuf);
+
+ ret = device_parse(tmpbuf, NULL, &dev);
+ if (ret)
+ return ret;
+
+ debug("+ %s\t%d\t%s\n", MTD_DEV_TYPE(type), num,
+ id->mtd_id);
+
+ p = list_entry(dev->parts.next, struct part_info, link);
+
+ dev_tmp = device_find(type, num);
+
+ if (dev_tmp == NULL) {
+ device_add(dev);
+ } else {
+ ret = part_add(dev_tmp, p);
+ if (ret) {
+ free(dev);
+ return ret;
+ }
+ }
+ }
+
+ ret = generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN);
+ if (ret) {
+ printf("generated mtdparts too long, resetting to null\n");
+ return ret;
+ }
+
+ return 0;
+}
+#endif
+
/***************************************************/
/* U-Boot commands */
/***************************************************/
@@ -1977,6 +2082,31 @@ static int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int
argc,
}
}
+#ifdef CONFIG_EFI_PARTITION_MTD
+ /* mtdparts gpt <mtd-dev> [GUID] */
+ if ((argc == 3 || argc == 4) && (strncmp(argv[1], "gpt", 3) == 0)) {
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ char guid_str[UUID_STR_LEN + 1];
+ char *p_guid_filter = NULL;
+#endif
+
+ if (argc == 4) {
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ p_guid_filter = guid_str;
+ if (uuid_guid_parse_str(argv[3], guid_str)) {
+ printf("invalid type gui %s\n", argv[3]);
+ return 1;
+ }
+ debug("filtered type gui %s (%s)\n", argv[3], guid_str);
+#else
+ puts("type GUI not support\n");
+#endif
+ }
+
+ return mtdparts_gpt(argv[2], p_guid_filter);
+ }
+#endif
+
/* make sure we are in sync with env variables */
if (mtdparts_init() != 0)
return 1;
@@ -2093,6 +2223,10 @@ static char mtdparts_help_text[] =
"mtdparts add.spread <mtd-dev> <size>[@<offset>] [<name>] [ro]\n"
" - add partition, padding size by skipping bad blocks\n"
#endif
+#ifdef CONFIG_EFI_PARTITION_MTD
+ "mtdparts gpt <mtd-dev> [<GUID>]\n"
+ " - add partitions for device from gpt, filtered by GUID type\n"
+#endif
"mtdparts default\n"
" - reset partition table to defaults\n"
#if defined(CONFIG_CMD_MTDPARTS_SPREAD)
@@ -2122,7 +2256,11 @@ static char mtdparts_help_text[] =
"<size> := standard linux memsize OR '-' to denote all remaining
space\n"
"<offset> := partition start offset within the device\n"
"<name> := '(' NAME ')'\n"
- "<ro-flag> := when set to 'ro' makes partition read-only (not used,
passed to kernel)";
+ "<ro-flag> := when set to 'ro' makes partition read-only (not used,
passed to kernel)\n"
+#ifdef CONFIG_EFI_PARTITION_MTD
+ "<GUID> := partition guid\n"
+#endif
+ ;
#endif
U_BOOT_CMD(
--
1.9.1
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