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From: Warner Losh <imp@FreeBSD.org>
Date: Tue, 21 Nov 2017 05:35:22 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r326047 - head/sys/geom/part
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Author: imp
Date: Tue Nov 21 05:35:21 2017
New Revision: 326047
URL: https://svnweb.freebsd.org/changeset/base/326047

Log:
  Implement efi media tagging for MBR partitioning types.
  
  Sponsored by: Netflix

Modified:
  head/sys/geom/part/g_part_mbr.c

Modified: head/sys/geom/part/g_part_mbr.c
==============================================================================
--- head/sys/geom/part/g_part_mbr.c	Tue Nov 21 03:15:32 2017	(r326046)
+++ head/sys/geom/part/g_part_mbr.c	Tue Nov 21 05:35:21 2017	(r326047)
@@ -303,11 +303,14 @@ g_part_mbr_destroy(struct g_part_table *basetable, str
 }
 
 static void
-g_part_mbr_dumpconf(struct g_part_table *table, struct g_part_entry *baseentry, 
+g_part_mbr_dumpconf(struct g_part_table *basetable, struct g_part_entry *baseentry, 
     struct sbuf *sb, const char *indent)
 {
 	struct g_part_mbr_entry *entry;
+	struct g_part_mbr_table *table;
+	uint32_t dsn;
  
+	table = (struct g_part_mbr_table *)basetable;
 	entry = (struct g_part_mbr_entry *)baseentry;
 	if (indent == NULL) {
 		/* conftxt: libdisk compatibility */
@@ -318,6 +321,11 @@ g_part_mbr_dumpconf(struct g_part_table *table, struct
 		    entry->ent.dp_typ);
 		if (entry->ent.dp_flag & 0x80)
 			sbuf_printf(sb, "%s<attrib>active</attrib>\n", indent);
+		dsn = le32dec(table->mbr + DOSDSNOFF);
+		sbuf_printf(sb, "%s<efimedia>HD(%d,MBR,%d,%#jx,%#jx)", indent,
+		    entry->base.gpe_index, dsn, (intmax_t)entry->base.gpe_start,
+		    (intmax_t)(entry->base.gpe_end - entry->base.gpe_start + 1));
+		sbuf_printf(sb, "</efimedia>\n");
 	} else {
 		/* confxml: scheme information */
 	}