| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| /* |
| * Copyright (c) 2018 by Delphix. All rights reserved. |
| */ |
| |
| #ifndef _SPL_PROCFS_LIST_H |
| #define _SPL_PROCFS_LIST_H |
| |
| #include <sys/kstat.h> |
| #include <sys/mutex.h> |
| #include <linux/proc_fs.h> |
| #include <linux/seq_file.h> |
| |
| typedef struct procfs_list procfs_list_t; |
| struct procfs_list { |
| /* Accessed only by user of a procfs_list */ |
| void *pl_private; |
| |
| /* |
| * Accessed both by user of a procfs_list and by procfs_list |
| * implementation |
| */ |
| kmutex_t pl_lock; |
| list_t pl_list; |
| |
| /* Accessed only by procfs_list implementation */ |
| uint64_t pl_next_id; |
| int (*pl_show)(struct seq_file *f, void *p); |
| int (*pl_show_header)(struct seq_file *f); |
| int (*pl_clear)(procfs_list_t *procfs_list); |
| size_t pl_node_offset; |
| kstat_proc_entry_t pl_kstat_entry; |
| }; |
| |
| typedef struct procfs_list_node { |
| list_node_t pln_link; |
| uint64_t pln_id; |
| } procfs_list_node_t; |
| |
| void procfs_list_install(const char *module, |
| const char *name, |
| mode_t mode, |
| procfs_list_t *procfs_list, |
| int (*show)(struct seq_file *f, void *p), |
| int (*show_header)(struct seq_file *f), |
| int (*clear)(procfs_list_t *procfs_list), |
| size_t procfs_list_node_off); |
| void procfs_list_uninstall(procfs_list_t *procfs_list); |
| void procfs_list_destroy(procfs_list_t *procfs_list); |
| |
| void procfs_list_add(procfs_list_t *procfs_list, void *p); |
| |
| #endif /* _SPL_PROCFS_LIST_H */ |