1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef DRBD_GENL_STRUCT_H
 3#define DRBD_GENL_STRUCT_H
 4
 5/**
 6 * struct drbd_genlmsghdr - DRBD specific header used in NETLINK_GENERIC requests
 7 * @minor:
 8 *     For admin requests (user -> kernel): which minor device to operate on.
 9 *     For (unicast) replies or informational (broadcast) messages
10 *     (kernel -> user): which minor device the information is about.
11 *     If we do not operate on minors, but on connections or resources,
12 *     the minor value shall be (~0), and the attribute DRBD_NLA_CFG_CONTEXT
13 *     is used instead.
14 * @flags: possible operation modifiers (relevant only for user->kernel):
15 *     DRBD_GENL_F_SET_DEFAULTS
16 * @volume:
17 *     When creating a new minor (adding it to a resource), the resource needs
18 *     to know which volume number within the resource this is supposed to be.
19 *     The volume number corresponds to the same volume number on the remote side,
20 *     whereas the minor number on the remote side may be different
21 *     (union with flags).
22 * @ret_code: kernel->userland unicast cfg reply return code (union with flags);
23 */
24struct drbd_genlmsghdr {
25	__u32 minor;
26	union {
27	__u32 flags;
28	__s32 ret_code;
29	};
30};
31
32/* To be used in drbd_genlmsghdr.flags */
33enum {
34	DRBD_GENL_F_SET_DEFAULTS = 1,
35};
36
37enum drbd_state_info_bcast_reason {
38	SIB_GET_STATUS_REPLY = 1,
39	SIB_STATE_CHANGE = 2,
40	SIB_HELPER_PRE = 3,
41	SIB_HELPER_POST = 4,
42	SIB_SYNC_PROGRESS = 5,
43};
44
45/* hack around predefined gcc/cpp "linux=1",
46 * we cannot possibly include <1/drbd_genl.h> */
47#undef linux
48
49#include <linux/drbd.h>
50#define GENL_MAGIC_VERSION	API_VERSION
51#define GENL_MAGIC_FAMILY	drbd
52#define GENL_MAGIC_FAMILY_HDRSZ	sizeof(struct drbd_genlmsghdr)
53#define GENL_MAGIC_INCLUDE_FILE <linux/drbd_genl.h>
54#include <linux/genl_magic_struct.h>
55
56#endif

 
 1#ifndef DRBD_GENL_STRUCT_H
 2#define DRBD_GENL_STRUCT_H
 3
 4/**
 5 * struct drbd_genlmsghdr - DRBD specific header used in NETLINK_GENERIC requests
 6 * @minor:
 7 *     For admin requests (user -> kernel): which minor device to operate on.
 8 *     For (unicast) replies or informational (broadcast) messages
 9 *     (kernel -> user): which minor device the information is about.
10 *     If we do not operate on minors, but on connections or resources,
11 *     the minor value shall be (~0), and the attribute DRBD_NLA_CFG_CONTEXT
12 *     is used instead.
13 * @flags: possible operation modifiers (relevant only for user->kernel):
14 *     DRBD_GENL_F_SET_DEFAULTS
15 * @volume:
16 *     When creating a new minor (adding it to a resource), the resource needs
17 *     to know which volume number within the resource this is supposed to be.
18 *     The volume number corresponds to the same volume number on the remote side,
19 *     whereas the minor number on the remote side may be different
20 *     (union with flags).
21 * @ret_code: kernel->userland unicast cfg reply return code (union with flags);
22 */
23struct drbd_genlmsghdr {
24	__u32 minor;
25	union {
26	__u32 flags;
27	__s32 ret_code;
28	};
29};
30
31/* To be used in drbd_genlmsghdr.flags */
32enum {
33	DRBD_GENL_F_SET_DEFAULTS = 1,
34};
35
36enum drbd_state_info_bcast_reason {
37	SIB_GET_STATUS_REPLY = 1,
38	SIB_STATE_CHANGE = 2,
39	SIB_HELPER_PRE = 3,
40	SIB_HELPER_POST = 4,
41	SIB_SYNC_PROGRESS = 5,
42};
43
44/* hack around predefined gcc/cpp "linux=1",
45 * we cannot possibly include <1/drbd_genl.h> */
46#undef linux
47
48#include <linux/drbd.h>
49#define GENL_MAGIC_VERSION	API_VERSION
50#define GENL_MAGIC_FAMILY	drbd
51#define GENL_MAGIC_FAMILY_HDRSZ	sizeof(struct drbd_genlmsghdr)
52#define GENL_MAGIC_INCLUDE_FILE <linux/drbd_genl.h>
53#include <linux/genl_magic_struct.h>
54
55#endif