diff --git a/zdump/Makefile b/zdump/Makefile
index 39d51225..6ada602d 100644
--- a/zdump/Makefile
+++ b/zdump/Makefile
@@ -41,12 +41,16 @@ all: check_dep_fuse check_dep_zlib zgetdump
 
 OBJECTS = zgetdump.o opts.o zg.o \
 	  dfi.o dfi_vmcoreinfo.o \
-	  dfi_lkcd.o dfi_elf.o dfi_s390.o dfi_s390mv.o dfi_s390tape.o \
-	  dfi_kdump.o dfi_devmem.o \
-	  dfo.o dfo_elf.o dfo_s390.o \
+	  dfi_lkcd.o dfi_elf.o \
+	  dfi_s390.o \
+	  dfi_s390mv.o \
+	  dfi_s390tape.o dfi_kdump.o \
+	  dfi_devmem.o dfo.o \
+	  dfo_elf.o dfo_s390.o \
 	  df_s390.o \
-	  dt.o dt_s390sv.o dt_s390mv.o dt_scsi.o \
-	  stdout.o
+	  dt.o dt_s390sv.o dt_s390sv_ext.o \
+	  dt_s390mv.o dt_s390mv_ext.o \
+	  dt_scsi.o stdout.o \
 
 ifeq ("$(HAVE_FUSE)","0")
 FUSE_CFLAGS = -DHAVE_FUSE=0 -D_FILE_OFFSET_BITS=64
diff --git a/zdump/df_s390.h b/zdump/df_s390.h
index ec979ec3..6c7f63a4 100644
--- a/zdump/df_s390.h
+++ b/zdump/df_s390.h
@@ -131,9 +131,10 @@ extern void df_s390_dumper_read(struct zg_fh *fh, int32_t blk_size,
 				struct df_s390_dumper *dumper);
 
 /*
- * DASD multi-volume dumper functions
+ * DASD dt and dfi functions
  */
-extern int dt_s390mv_init(void);
+extern int dt_s390sv_init_gen(bool extended);
+extern int dt_s390mv_init_gen(bool extended);
 extern void dt_s390mv_info(void);
 
 #endif /* DF_S390_H */
diff --git a/zdump/dfi_s390mv.c b/zdump/dfi_s390mv.c
index f19d6c73..4cb5af34 100644
--- a/zdump/dfi_s390mv.c
+++ b/zdump/dfi_s390mv.c
@@ -21,52 +21,7 @@
 #include <unistd.h>
 
 #include "zgetdump.h"
-
-#define SYSFS_BUSDIR	"/sys/bus/ccw/devices"
-#define MAX_VOLUMES	32
-
-/*
- * Parameter for DASD multi-volume dump
- */
-struct vol_parm {
-	u16	devno;
-	u32	start_blk;
-	u32	end_blk;
-	u8	blk_size;
-	u8	end_sec;
-	u8	num_heads;
-} __attribute__ ((packed));
-
-struct vol_parm_table {
-	u64		timestamp;
-	u16		vol_cnt;
-	struct vol_parm	vol_parm[MAX_VOLUMES];
-	u8		ssid[MAX_VOLUMES];
-} __attribute__ ((packed));
-
-/*
- * Device signature
- */
-enum dev_sign {
-	SIGN_INVALID	= 0,	/* No dumper installed */
-	SIGN_VALID	= 1,	/* dumper installed, but volume not used */
-	SIGN_ACTIVE	= 2,	/* dumper installed and volume userd */
-};
-
-static char *dev_sign_str[] = {"invalid", "valid", "active"};
-#define dev_sign_str(x) (dev_sign_str[x])
-
-/*
- * Device status
- */
-enum dev_status {
-	DEV_ONLINE	= 0,
-	DEV_OFFLINE	= 1,
-	DEV_UNDEFINED	= 2,
-};
-
-static char *dev_status_str[] = {"online", "offline", "undefined"};
-#define dev_status_str(x) (dev_status_str[x])
+#include "dfi_s390mv.h"
 
 /*
  * Volume information
@@ -99,6 +54,8 @@ static struct {
 	int			blk_size;
 	struct df_s390_dumper	dumper;
 	int			dump_incomplete;
+	bool extended;
+	char dumper_magic[7];	/* Reference value to compare with */
 } l;
 
 /*
@@ -262,7 +219,7 @@ static void vol_init(struct vol *vol, struct vol_parm *vol_parm, int ssid,
 		l.dump_incomplete = 1;
 	}
 
-	if (strncmp(vol->dumper.magic, DF_S390_DUMPER_MAGIC_MV, 7) != 0) {
+	if (strncmp(vol->dumper.magic, l.dumper_magic, 7) != 0) {
 		vol->sign = SIGN_INVALID;
 		l.dump_incomplete = 1;
 	}
@@ -270,6 +227,9 @@ static void vol_init(struct vol *vol, struct vol_parm *vol_parm, int ssid,
 	if (vol->nr == 0)
 		l.hdr = vol->hdr;
 
+	if (l.extended)
+		return;
+
 	if (*mem_off == l.hdr.mem_size) {
 		/* Unused volume */
 		vol->mem_start = 0;
@@ -444,7 +404,7 @@ static int mv_dumper_read(void)
 		     ZG_CHECK_NONE) == -1)
 		return -ENODEV;
 	df_s390_dumper_read(g.fh, l.blk_size, &l.dumper);
-	if (memcmp(l.dumper.magic, DF_S390_DUMPER_MAGIC_MV, 7) != 0)
+	if (strncmp(l.dumper.magic, l.dumper_magic, 7) != 0)
 		return -ENODEV;
 	table_read(g.fh, l.blk_size, &l.table);
 	return 0;
@@ -465,6 +425,8 @@ static void volumes_init(void)
 		vol_init(&l.vol_vec[i], &l.table.vol_parm[i], l.table.ssid[i],
 			 &mem_off);
 	}
+	if (l.extended)
+		return;
 	if (mem_off != l.hdr.mem_size)
 		l.dump_incomplete = 1;
 }
@@ -475,7 +437,7 @@ static void volumes_init(void)
 static int open_dump(void)
 {
 	const struct stat *stat = zg_stat(g.fh);
-	unsigned dev_minor;
+	unsigned int dev_minor;
 	enum zg_type type;
 	char *path;
 
@@ -520,10 +482,16 @@ static int dfi_s390mv_init(void)
 }
 
 /*
- * Initialize s390 multi-volume dump tool (for -d option)
+ * Initialize s390 multi-volume dump tool generic function
  */
-int dt_s390mv_init(void)
+int dt_s390mv_init_gen(bool extended)
 {
+	l.extended = extended;
+	/* Specify dumper magic value for further validation */
+	if (extended)
+		strncpy(l.dumper_magic, DF_S390_DUMPER_MAGIC_MV_EXT, 7);
+	else
+		strncpy(l.dumper_magic, DF_S390_DUMPER_MAGIC_MV, 7);
 	if (open_dump() != 0)
 		return -ENODEV;
 	volumes_init();
diff --git a/zdump/dfi_s390mv.h b/zdump/dfi_s390mv.h
new file mode 100644
index 00000000..c0159f5c
--- /dev/null
+++ b/zdump/dfi_s390mv.h
@@ -0,0 +1,62 @@
+/*
+ * zgetdump - Tool for copying and converting System z dumps
+ *
+ * S390 multi-volume dump input format common structures
+ *
+ * Copyright IBM Corp. 2001, 2018
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+#ifndef DFI_S390MV_H
+#define DFI_S390MV_H
+
+#include "lib/zt_common.h"
+
+#define SYSFS_BUSDIR	"/sys/bus/ccw/devices"
+#define MAX_VOLUMES	32
+
+/*
+ * Parameter for DASD multi-volume dump
+ */
+struct vol_parm {
+	u16	devno;
+	u32	start_blk;
+	u32	end_blk;
+	u8	blk_size;
+	u8	end_sec;
+	u8	num_heads;
+} __attribute__ ((packed));
+
+struct vol_parm_table {
+	u64		timestamp;
+	u16		vol_cnt;
+	struct vol_parm	vol_parm[MAX_VOLUMES];
+	u8		ssid[MAX_VOLUMES];
+} __attribute__ ((packed));
+
+/*
+ * Device signature
+ */
+enum dev_sign {
+	SIGN_INVALID	= 0,	/* No dumper installed */
+	SIGN_VALID	= 1,	/* dumper installed, but volume not used */
+	SIGN_ACTIVE	= 2,	/* dumper installed and volume userd */
+};
+
+static char *dev_sign_str[] = {"invalid", "valid", "active"};
+#define dev_sign_str(x) (dev_sign_str[x])
+
+/*
+ * Device status
+ */
+enum dev_status {
+	DEV_ONLINE	= 0,
+	DEV_OFFLINE	= 1,
+	DEV_UNDEFINED	= 2,
+};
+
+static char *dev_status_str[] = {"online", "offline", "undefined"};
+#define dev_status_str(x) (dev_status_str[x])
+
+#endif /* DFI_S390MV_H */
diff --git a/zdump/dt.c b/zdump/dt.c
index 455cf89e..15032052 100644
--- a/zdump/dt.c
+++ b/zdump/dt.c
@@ -3,7 +3,7 @@
  *
  * Dump tool info generic functions
  *
- * Copyright IBM Corp. 2001, 2017
+ * Copyright IBM Corp. 2001, 2018
  *
  * s390-tools is free software; you can redistribute it and/or modify
  * it under the terms of the MIT license. See LICENSE for details.
@@ -15,7 +15,9 @@
  * Supported dump tools
  */
 static struct dt *dt_vec[] = {
+	&dt_s390mv_ext,
 	&dt_s390mv,
+	&dt_s390sv_ext,
 	&dt_s390sv,
 	&dt_scsi,
 	NULL,
diff --git a/zdump/dt.h b/zdump/dt.h
index 333f562d..4ba2f5d1 100644
--- a/zdump/dt.h
+++ b/zdump/dt.h
@@ -13,6 +13,10 @@
 #define DT_H
 
 #include "dfi.h"
+#include <stdbool.h>
+
+#define DUMP_EXTENDED		true
+#define DUMP_NON_EXTENDED	false
 
 struct dt {
 	const char	*desc;
diff --git a/zdump/dt_s390mv.c b/zdump/dt_s390mv.c
index a1498a9e..d2e2bbb8 100644
--- a/zdump/dt_s390mv.c
+++ b/zdump/dt_s390mv.c
@@ -12,7 +12,15 @@
 #include "zgetdump.h"
 
 /*
- * DT operations
+ * Initialize s390 multi-volume dump tool (for -d option)
+ */
+static int dt_s390mv_init(void)
+{
+	return dt_s390mv_init_gen(DUMP_NON_EXTENDED);
+}
+
+/*
+ * Dump Tool operations
  */
 struct dt dt_s390mv = {
 	.desc	= "Multi-volume DASD dump tool",
diff --git a/zdump/dt_s390mv_ext.c b/zdump/dt_s390mv_ext.c
new file mode 100644
index 00000000..737b98ef
--- /dev/null
+++ b/zdump/dt_s390mv_ext.c
@@ -0,0 +1,29 @@
+/*
+ * zgetdump - Tool for copying and converting System z dumps
+ *
+ * S390x multi-volume DASD dump tool
+ *
+ * Copyright IBM Corp. 2001, 2018
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include "zgetdump.h"
+
+/*
+ * Initialize s390 multi-volume dump tool (extedend) for -d option
+ */
+static int dt_s390mv_ext_init(void)
+{
+	return dt_s390mv_init_gen(DUMP_EXTENDED);
+}
+
+/*
+ * Dump Tool (extedned) operations
+ */
+struct dt dt_s390mv_ext = {
+	.desc	= "Multi-volume DASD dump tool (extended)",
+	.init	= dt_s390mv_ext_init,
+	.info	= dt_s390mv_info,
+};
diff --git a/zdump/dt_s390sv.c b/zdump/dt_s390sv.c
index 466388a7..c74100ce 100644
--- a/zdump/dt_s390sv.c
+++ b/zdump/dt_s390sv.c
@@ -18,6 +18,7 @@
 static struct {
 	struct df_s390_dumper	dumper;
 	enum dfi_arch		dumper_arch;
+	bool extended;		/* Extended dump-tool */
 } l;
 
 /*
@@ -27,6 +28,12 @@ static int dumper_read_eckd(int blk_size)
 {
 	df_s390_dumper_read(g.fh, blk_size, &l.dumper);
 
+	if (l.extended) {
+		if (strncmp(l.dumper.magic, DF_S390_DUMPER_MAGIC_EXT, 7) != 0)
+			return -ENODEV;
+		l.dumper_arch = DFI_ARCH_64;
+		return 0;
+	}
 	if (strncmp(l.dumper.magic, DF_S390_DUMPER_MAGIC64, 7) == 0) {
 		l.dumper_arch = DFI_ARCH_64;
 	} else if (strncmp(l.dumper.magic, DF_S390_DUMPER_MAGIC32, 7) == 0) {
@@ -46,6 +53,13 @@ static int dumper_read_eckd(int blk_size)
  */
 static int dumper_check_fba(struct df_s390_dumper *dumper)
 {
+	if (l.extended) {
+		if (strncmp(dumper->magic, DF_S390_DUMPER_MAGIC_FBA_EXT, 7)
+		    != 0)
+			return -ENODEV;
+		l.dumper_arch = DFI_ARCH_64;
+		return 0;
+	}
 	if (strncmp(dumper->magic, DF_S390_DUMPER_MAGIC64_FBA, 7) == 0) {
 		l.dumper_arch = DFI_ARCH_64;
 	} else if (strncmp(dumper->magic, DF_S390_DUMPER_MAGIC32_FBA, 7) == 0) {
@@ -123,8 +137,9 @@ static int sv_dumper_read(void)
 /*
  * Initialize s390 single-volume dump tool (for -d option)
  */
-static int dt_s390sv_init(void)
+int dt_s390sv_init_gen(bool extended)
 {
+	l.extended = extended;
 	if (sv_dumper_read() != 0)
 		return -ENODEV;
 	dt_arch_set(l.dumper_arch);
@@ -133,8 +148,12 @@ static int dt_s390sv_init(void)
 	return 0;
 }
 
+static int dt_s390sv_init(void)
+{
+	return dt_s390sv_init_gen(DUMP_NON_EXTENDED);
+}
 /*
- * s390 single-volume DT operations
+ * s390 single-volume DT (non-extended) operations
  */
 struct dt dt_s390sv = {
 	.desc	= "Single-volume DASD dump tool",
diff --git a/zdump/dt_s390sv_ext.c b/zdump/dt_s390sv_ext.c
new file mode 100644
index 00000000..42827d76
--- /dev/null
+++ b/zdump/dt_s390sv_ext.c
@@ -0,0 +1,29 @@
+/*
+ * zgetdump - Tool for copying and converting System z dumps
+ *
+ * S390 single-volume DASD dump tool (extended)
+ *
+ * Copyright IBM Corp. 2001, 2018
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include <linux/fs.h>
+#include "zgetdump.h"
+
+/*
+ * Initialize s390 single-volume extended dump tool (for -d option)
+ */
+static int dt_s390sv_ext_init(void)
+{
+	return dt_s390sv_init_gen(DUMP_EXTENDED);
+}
+
+/*
+ * s390 single-volume DT (extended) operations
+ */
+struct dt dt_s390sv_ext = {
+	.desc	= "Single-volume DASD dump tool (extended)",
+	.init	= dt_s390sv_ext_init,
+};
diff --git a/zdump/zgetdump.h b/zdump/zgetdump.h
index 651c06b3..30a26cbf 100644
--- a/zdump/zgetdump.h
+++ b/zdump/zgetdump.h
@@ -3,7 +3,7 @@
  *
  * Main include file - Should be included by all source files
  *
- * Copyright IBM Corp. 2001, 2017
+ * Copyright IBM Corp. 2001, 2018
  *
  * s390-tools is free software; you can redistribute it and/or modify
  * it under the terms of the MIT license. See LICENSE for details.
@@ -92,7 +92,9 @@ extern struct dfo dfo_elf;
  * Supported s390 dumpers
  */
 extern struct dt dt_s390mv;
+extern struct dt dt_s390mv_ext;
 extern struct dt dt_s390sv;
+extern struct dt dt_s390sv_ext;
 extern struct dt dt_scsi;
 
 #endif /* ZGETDUMP_H */