]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
22 | * Copyright (c) 2018 by Delphix. All rights reserved. | |
23 | */ | |
24 | ||
25 | #ifndef _SPL_PROCFS_LIST_H | |
26 | #define _SPL_PROCFS_LIST_H | |
27 | ||
28 | #include <sys/kstat.h> | |
29 | #include <sys/mutex.h> | |
30 | #include <linux/proc_fs.h> | |
31 | #include <linux/seq_file.h> | |
32 | ||
33 | typedef struct procfs_list procfs_list_t; | |
34 | struct procfs_list { | |
35 | /* Accessed only by user of a procfs_list */ | |
36 | void *pl_private; | |
37 | ||
38 | /* | |
39 | * Accessed both by user of a procfs_list and by procfs_list | |
40 | * implementation | |
41 | */ | |
42 | kmutex_t pl_lock; | |
43 | list_t pl_list; | |
44 | ||
45 | /* Accessed only by procfs_list implementation */ | |
46 | uint64_t pl_next_id; | |
47 | int (*pl_show)(struct seq_file *f, void *p); | |
48 | int (*pl_show_header)(struct seq_file *f); | |
49 | int (*pl_clear)(procfs_list_t *procfs_list); | |
50 | size_t pl_node_offset; | |
51 | kstat_proc_entry_t pl_kstat_entry; | |
52 | }; | |
53 | ||
54 | typedef struct procfs_list_node { | |
55 | list_node_t pln_link; | |
56 | uint64_t pln_id; | |
57 | } procfs_list_node_t; | |
58 | ||
59 | void procfs_list_install(const char *module, | |
60 | const char *name, | |
61 | mode_t mode, | |
62 | procfs_list_t *procfs_list, | |
63 | int (*show)(struct seq_file *f, void *p), | |
64 | int (*show_header)(struct seq_file *f), | |
65 | int (*clear)(procfs_list_t *procfs_list), | |
66 | size_t procfs_list_node_off); | |
67 | void procfs_list_uninstall(procfs_list_t *procfs_list); | |
68 | void procfs_list_destroy(procfs_list_t *procfs_list); | |
69 | ||
70 | void procfs_list_add(procfs_list_t *procfs_list, void *p); | |
71 | ||
72 | #endif /* _SPL_PROCFS_LIST_H */ |