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| author | David Anderson <danderson@tailscale.com> | 2021-11-10 12:15:03 -0800 |
|---|---|---|
| committer | David Anderson <danderson@tailscale.com> | 2021-11-10 12:15:03 -0800 |
| commit | 41710e1b810aa25c14ceb657a40b9ba616615435 (patch) | |
| tree | 4953322c9930fde10dae9ff057de28827e87fb52 /ebpf/include/linux/blkpg.h | |
| parent | 4a51050c498da33eaecb520b78aeb5f445a442f1 (diff) | |
| download | tailscale-danderson/ebpf.tar.xz tailscale-danderson/ebpf.zip | |
ebpf: experiments.danderson/ebpf
Diffstat (limited to 'ebpf/include/linux/blkpg.h')
| -rw-r--r-- | ebpf/include/linux/blkpg.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/ebpf/include/linux/blkpg.h b/ebpf/include/linux/blkpg.h new file mode 100644 index 000000000..3986be036 --- /dev/null +++ b/ebpf/include/linux/blkpg.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __LINUX_BLKPG_H +#define __LINUX_BLKPG_H + + +#include <linux/ioctl.h> + +#define BLKPG _IO(0x12,105) + +/* The argument structure */ +struct blkpg_ioctl_arg { + int op; + int flags; + int datalen; + void *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 /* __LINUX_BLKPG_H */ |
