/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DRBD_GENL_STRUCT_H
#define DRBD_GENL_STRUCT_H
/**
* struct drbd_genlmsghdr - DRBD specific header used in NETLINK_GENERIC requests
* @ minor :
* For admin requests ( user - > kernel ) : which minor device to operate on .
* For ( unicast ) replies or informational ( broadcast ) messages
* ( kernel - > user ) : which minor device the information is about .
* If we do not operate on minors , but on connections or resources ,
* the minor value shall be ( ~ 0 ) , and the attribute DRBD_NLA_CFG_CONTEXT
* is used instead .
* @ flags : possible operation modifiers ( relevant only for user - > kernel ) :
* DRBD_GENL_F_SET_DEFAULTS
* @ volume :
* When creating a new minor ( adding it to a resource ) , the resource needs
* to know which volume number within the resource this is supposed to be .
* The volume number corresponds to the same volume number on the remote side ,
* whereas the minor number on the remote side may be different
* ( union with flags ) .
* @ ret_code : kernel - > userland unicast cfg reply return code ( union with flags ) ;
*/
struct drbd_genlmsghdr {
__u32 minor;
union {
__u32 flags;
__s32 ret_code;
};
};
/* To be used in drbd_genlmsghdr.flags */
enum {
DRBD_GENL_F_SET_DEFAULTS = 1 ,
};
enum drbd_state_info_bcast_reason {
SIB_GET_STATUS_REPLY = 1 ,
SIB_STATE_CHANGE = 2 ,
SIB_HELPER_PRE = 3 ,
SIB_HELPER_POST = 4 ,
SIB_SYNC_PROGRESS = 5 ,
};
/* hack around predefined gcc/cpp "linux=1",
* we cannot possibly include <1/drbd_genl.h> */
#undef linux
#include <linux/drbd.h>
#define GENL_MAGIC_VERSION 1
#define GENL_MAGIC_FAMILY drbd
#define GENL_MAGIC_FAMILY_HDRSZ sizeof (struct drbd_genlmsghdr)
#define GENL_MAGIC_INCLUDE_FILE <linux/drbd_genl.h>
#include <linux/genl_magic_struct.h>
#endif
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