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 */ |
11 | struct 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 */ |
28 | struct 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 */ |
37 | |