Patchwork [U-Boot,V2,3/9] disk: part_efi: print partition UUIDs

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Submitter Stephen Warren
Date Oct. 8, 2012, 6:14 p.m.
Message ID <1349720080-13119-3-git-send-email-swarren@wwwdotorg.org>
Download mbox | patch
Permalink /patch/190073/
State Accepted
Delegated to: Tom Rini
Headers show

Comments

Stephen Warren - Oct. 8, 2012, 6:14 p.m.
From: Stephen Warren <swarren@nvidia.com>

When printing the partition table, print the partition type UUID and the
individual partition UUID. Do this unconditionally, since partition UUIDs
are useful.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 disk/part_efi.c |   50 ++++++++++++++++++++++++++++----------------------
 1 files changed, 28 insertions(+), 22 deletions(-)

Patch

diff --git a/disk/part_efi.c b/disk/part_efi.c
index b6b2bf5..6b80cd9 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -113,6 +113,26 @@  static char *print_efiname(gpt_entry *pte)
 	return name;
 }
 
+static void uuid_string(unsigned char *uuid, char *str)
+{
+	static const u8 le[16] = {3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11,
+				  12, 13, 14, 15};
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		sprintf(str, "%02x", uuid[le[i]]);
+		str += 2;
+		switch (i) {
+		case 3:
+		case 5:
+		case 7:
+		case 9:
+			*str++ = '-';
+			break;
+		}
+	}
+}
+
 /*
  * Public Functions (include/part.h)
  */
@@ -122,6 +142,7 @@  void print_part_efi(block_dev_desc_t * dev_desc)
 	ALLOC_CACHE_ALIGN_BUFFER(gpt_header, gpt_head, 1);
 	gpt_entry *gpt_pte = NULL;
 	int i = 0;
+	char uuid[37];
 
 	if (!dev_desc) {
 		printf("%s: Invalid Argument(s)\n", __func__);
@@ -137,6 +158,9 @@  void print_part_efi(block_dev_desc_t * dev_desc)
 	debug("%s: gpt-entry at %p\n", __func__, gpt_pte);
 
 	printf("Part\tStart LBA\tEnd LBA\t\tName\n");
+	printf("\tType UUID\n");
+	printf("\tPartition UUID\n");
+
 	for (i = 0; i < le32_to_int(gpt_head->num_partition_entries); i++) {
 		/* Stop at the first non valid PTE */
 		if (!is_pte_valid(&gpt_pte[i]))
@@ -146,6 +170,10 @@  void print_part_efi(block_dev_desc_t * dev_desc)
 			le64_to_int(gpt_pte[i].starting_lba),
 			le64_to_int(gpt_pte[i].ending_lba),
 			print_efiname(&gpt_pte[i]));
+		uuid_string(gpt_pte[i].partition_type_guid.b, uuid);
+		printf("\ttype:\t%s\n", uuid);
+		uuid_string(gpt_pte[i].unique_partition_guid.b, uuid);
+		printf("\tuuid:\t%s\n", uuid);
 	}
 
 	/* Remember to free pte */
@@ -153,28 +181,6 @@  void print_part_efi(block_dev_desc_t * dev_desc)
 	return;
 }
 
-#ifdef CONFIG_PARTITION_UUIDS
-static void uuid_string(unsigned char *uuid, char *str)
-{
-	static const u8 le[16] = {3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11,
-				  12, 13, 14, 15};
-	int i;
-
-	for (i = 0; i < 16; i++) {
-		sprintf(str, "%02x", uuid[le[i]]);
-		str += 2;
-		switch (i) {
-		case 3:
-		case 5:
-		case 7:
-		case 9:
-			*str++ = '-';
-			break;
-		}
-	}
-}
-#endif
-
 int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
 				disk_partition_t * info)
 {