/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef __LINUX_BLKPG_H

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#define __LINUX_BLKPG_H

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#include <linux/ioctl.h>

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#define BLKPG _IO(0x12,105)

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/* The argument structure */

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struct blkpg_ioctl_arg {

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int op;

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int flags;

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int datalen;

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void *data;

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};

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/* The subfunctions (for the op field) */

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#define BLKPG_ADD_PARTITION 1

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#define BLKPG_DEL_PARTITION 2

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#define BLKPG_RESIZE_PARTITION 3

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/* Sizes of name fields. Unused at present. */

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#define BLKPG_DEVNAMELTH 64

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#define BLKPG_VOLNAMELTH 64

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/* The data structure for ADD_PARTITION and DEL_PARTITION */

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struct blkpg_partition {

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long long start; /* starting offset in bytes */

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long long length; /* length in bytes */

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int pno; /* partition number */

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char devname[BLKPG_DEVNAMELTH]; /* unused / ignored */

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char volname[BLKPG_VOLNAMELTH]; /* unused / ignore */

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};

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#endif /* __LINUX_BLKPG_H */

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