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 https://opensource.org/licenses/CDDL-1.0. 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 #ifndef _STANDALONE 29 30 #include <sys/kstat.h> 31 #include <sys/mutex.h> 32 33 34 /* 35 * procfs list manipulation 36 */ 37 38 typedef struct procfs_list procfs_list_t; 39 struct procfs_list { 40 void *pl_private; 41 void *pl_next_data; 42 kmutex_t pl_lock; 43 list_t pl_list; 44 uint64_t pl_next_id; 45 int (*pl_show)(struct seq_file *f, void *p); 46 int (*pl_show_header)(struct seq_file *f); 47 int (*pl_clear)(procfs_list_t *procfs_list); 48 size_t pl_node_offset; 49 }; 50 51 typedef struct procfs_list_node { 52 list_node_t pln_link; 53 uint64_t pln_id; 54 } procfs_list_node_t; 55 56 void procfs_list_install(const char *module, 57 const char *submodule, 58 const char *name, 59 mode_t mode, 60 procfs_list_t *procfs_list, 61 int (*show)(struct seq_file *f, void *p), 62 int (*show_header)(struct seq_file *f), 63 int (*clear)(procfs_list_t *procfs_list), 64 size_t procfs_list_node_off); 65 void procfs_list_uninstall(procfs_list_t *procfs_list); 66 void procfs_list_destroy(procfs_list_t *procfs_list); 67 void procfs_list_add(procfs_list_t *procfs_list, void *p); 68 69 #else 70 typedef int procfs_list_t; 71 #endif /* !_STANDALONE */ 72 73 #endif /* _SPL_PROCFS_LIST_H */ 74