xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed_conf.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * This file is part of the ZFS Event Daemon (ZED).
4  *
5  * Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
6  * Copyright (C) 2013-2014 Lawrence Livermore National Security, LLC.
7  * Refer to the OpenZFS git commit log for authoritative copyright attribution.
8  *
9  * The contents of this file are subject to the terms of the
10  * Common Development and Distribution License Version 1.0 (CDDL-1.0).
11  * You can obtain a copy of the license from the top-level file
12  * "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
13  * You may not use this file except in compliance with the license.
14  */
15 
16 #ifndef	ZED_CONF_H
17 #define	ZED_CONF_H
18 
19 #include <libzfs.h>
20 #include <stdint.h>
21 #include "zed_strings.h"
22 
23 struct zed_conf {
24 	char		*pid_file;		/* abs path to pid file */
25 	char		*zedlet_dir;		/* abs path to zedlet dir */
26 	char		*state_file;		/* abs path to state file */
27 
28 	libzfs_handle_t	*zfs_hdl;		/* handle to libzfs */
29 	zed_strings_t	*zedlets;		/* names of enabled zedlets */
30 	char		*path;		/* custom $PATH for zedlets to use */
31 
32 	int		pid_fd;			/* fd to pid file for lock */
33 	int		state_fd;		/* fd to state file */
34 	int		zevent_fd;		/* fd for access to zevents */
35 
36 	int16_t max_jobs;		/* max zedlets to run at one time */
37 	int32_t max_zevent_buf_len;	/* max size of kernel event list */
38 
39 	boolean_t	do_force:1;		/* true if force enabled */
40 	boolean_t	do_foreground:1;	/* true if run in foreground */
41 	boolean_t	do_memlock:1;		/* true if locking memory */
42 	boolean_t	do_verbose:1;		/* true if verbosity enabled */
43 	boolean_t	do_zero:1;		/* true if zeroing state */
44 	boolean_t	do_idle:1;		/* true if idle enabled */
45 };
46 
47 void zed_conf_init(struct zed_conf *zcp);
48 void zed_conf_destroy(struct zed_conf *zcp);
49 
50 void zed_conf_parse_opts(struct zed_conf *zcp, int argc, char **argv);
51 
52 int zed_conf_scan_dir(struct zed_conf *zcp);
53 
54 int zed_conf_write_pid(struct zed_conf *zcp);
55 
56 int zed_conf_open_state(struct zed_conf *zcp);
57 int zed_conf_read_state(struct zed_conf *zcp, uint64_t *eidp, int64_t etime[]);
58 int zed_conf_write_state(struct zed_conf *zcp, uint64_t eid, int64_t etime[]);
59 
60 #endif	/* !ZED_CONF_H */
61