blkpg.h (953B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI__LINUX_BLKPG_H 3#define _UAPI__LINUX_BLKPG_H 4 5#include <linux/compiler.h> 6#include <linux/ioctl.h> 7 8#define BLKPG _IO(0x12,105) 9 10/* The argument structure */ 11struct blkpg_ioctl_arg { 12 int op; 13 int flags; 14 int datalen; 15 void __user *data; 16}; 17 18/* The subfunctions (for the op field) */ 19#define BLKPG_ADD_PARTITION 1 20#define BLKPG_DEL_PARTITION 2 21#define BLKPG_RESIZE_PARTITION 3 22 23/* Sizes of name fields. Unused at present. */ 24#define BLKPG_DEVNAMELTH 64 25#define BLKPG_VOLNAMELTH 64 26 27/* The data structure for ADD_PARTITION and DEL_PARTITION */ 28struct blkpg_partition { 29 long long start; /* starting offset in bytes */ 30 long long length; /* length in bytes */ 31 int pno; /* partition number */ 32 char devname[BLKPG_DEVNAMELTH]; /* unused / ignored */ 33 char volname[BLKPG_VOLNAMELTH]; /* unused / ignore */ 34}; 35 36#endif /* _UAPI__LINUX_BLKPG_H */