| 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 | |