procfs_list.h

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    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 */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h