2 files changed, 63 insertions, 0 deletions
diff --git a/include/Makemodule.am b/include/Makemodule.am
index 7ea1a4824..237400b05 100644
--- a/include/Makemodule.am
+++ b/include/Makemodule.am
@@ -34,6 +34,7 @@ dist_noinst_HEADERS += \
 	include/optutils.h \
 	include/pager.h \
 	include/pamfail.h \
+	include/partx.h \
 	include/path.h \
 	include/pathnames.h \
 	include/plymouth-ctrl.h \
diff --git a/include/partx.h b/include/partx.h
new file mode 100644
index 000000000..96206bd7c
--- /dev/null
+++ b/include/partx.h
@@ -0,0 +1,62 @@
+#ifndef UTIL_LINUX_PARTX_H
+#define UTIL_LINUX_PARTX_H
+
+#include <sys/ioctl.h>
+#include <linux/blkpg.h>
+
+#ifndef BLKPG_ADD_PARTITION
+# define BLKPG_ADD_PARTITION	1
+#endif
+
+#ifndef BLKPG_DEL_PARTITION
+# define BLKPG_DEL_PARTITION	2
+#endif
+
+#ifndef BLKPG_RESIZE_PARTITION
+# define BLKPG_RESIZE_PARTITION	3		/* since Linux 3.6 */
+#endif
+
+
+#define INIT_BLKPG_PARTITION(_partno, _start, _size) {	\
+		.pno    = (_partno),			\
+		.start  = (_start) << 9,		\
+		.length = (_size) << 9,			\
+		.devname[0] = 0,			\
+		.volname[0] = 0				\
+}
+
+#define INIT_BLKPG_ARG(_action, _part) {		\
+		.op      = (_action),			\
+		.flags   = 0,				\
+		.datalen = sizeof(*(_part)),		\
+		.data = (_part)				\
+}
+
+
+static inline int partx_del_partition(int fd, unsigned int partno)
+{
+	struct blkpg_partition p = INIT_BLKPG_PARTITION(partno, 0, 0);
+	struct blkpg_ioctl_arg a = INIT_BLKPG_ARG(BLKPG_DEL_PARTITION, &p);
+
+	return ioctl(fd, BLKPG, &a);
+}
+
+static inline int partx_add_partition(int fd, int partno,
+			uint64_t start, uint64_t size)
+{
+	struct blkpg_partition p = INIT_BLKPG_PARTITION(partno, start, size);
+	struct blkpg_ioctl_arg a = INIT_BLKPG_ARG(BLKPG_ADD_PARTITION, &p);
+
+	return ioctl(fd, BLKPG, &a);
+}
+
+static inline int partx_resize_partition(int fd, int partno,
+			uint64_t start, uint64_t size)
+{
+	struct blkpg_partition p = INIT_BLKPG_PARTITION(partno, start, size);
+	struct blkpg_ioctl_arg a = INIT_BLKPG_ARG(BLKPG_RESIZE_PARTITION, &p);
+
+	return ioctl(fd, BLKPG, &a);
+}
+
+#endif /*  UTIL_LINUX_PARTX_H */