Cregit: Linux 5.16: blkpg.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Linus Torvalds	83	86.46%	1	16.67%
Vivek Goyal	4	4.17%	1	16.67%
David Woodhouse	3	3.12%	1	16.67%
Brian Norris	3	3.12%	1	16.67%
Christoph Hellwig	2	2.08%	1	16.67%
Greg Kroah-Hartman	1	1.04%	1	16.67%
Total	96		6

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__LINUX_BLKPG_H
#define _UAPI__LINUX_BLKPG_H

#include <linux/compiler.h>
#include <linux/ioctl.h>

#define BLKPG      _IO(0x12,105)

/* The argument structure */
struct blkpg_ioctl_arg {
        int op;
        int flags;
        int datalen;
        void __user *data;
};

/* The subfunctions (for the op field) */
#define BLKPG_ADD_PARTITION	1
#define BLKPG_DEL_PARTITION	2
#define BLKPG_RESIZE_PARTITION	3

/* Sizes of name fields. Unused at present. */
#define BLKPG_DEVNAMELTH	64
#define BLKPG_VOLNAMELTH	64

/* The data structure for ADD_PARTITION and DEL_PARTITION */
struct blkpg_partition {
	long long start;		/* starting offset in bytes */
	long long length;		/* length in bytes */
	int pno;			/* partition number */
	char devname[BLKPG_DEVNAMELTH];	/* unused / ignored */
	char volname[BLKPG_VOLNAMELTH];	/* unused / ignore */
};

#endif /* _UAPI__LINUX_BLKPG_H */