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1 /*****************************************************************************\
2 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
3 * Copyright (C) 2007 The Regents of the University of California.
4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
8 * This file is part of the SPL, Solaris Porting Layer.
9 * For details, see <http://zfsonlinux.org/>.
11 * The SPL is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
16 * The SPL is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 * You should have received a copy of the GNU General Public License along
22 * with the SPL. If not, see <http://www.gnu.org/licenses/>.
23 \*****************************************************************************/
28 #include <linux/types.h>
31 * Contains shared definitions for both user space and kernel space. To
32 * ensure 32-bit/64-bit interoperability over ioctl()'s only types with
33 * fixed sizes can be used.
35 #define SPLAT_NAME "splatctl"
36 #define SPLAT_DEV "/dev/splatctl"
38 #define SPLAT_NAME_SIZE 20
39 #define SPLAT_DESC_SIZE 60
41 typedef struct splat_user
{
42 char name
[SPLAT_NAME_SIZE
]; /* Short name */
43 char desc
[SPLAT_DESC_SIZE
]; /* Short description */
44 __u32 id
; /* Unique numeric id */
47 #define SPLAT_CFG_MAGIC 0x15263748U
48 typedef struct splat_cfg
{
49 __u32 cfg_magic
; /* Unique magic */
50 __u32 cfg_cmd
; /* Configure command */
51 __s32 cfg_arg1
; /* Configure command arg 1 */
52 __s32 cfg_rc1
; /* Configure response 1 */
56 splat_user_t descs
[0];
60 splat_user_t descs
[0];
65 #define SPLAT_CMD_MAGIC 0x9daebfc0U
66 typedef struct splat_cmd
{
67 __u32 cmd_magic
; /* Unique magic */
68 __u32 cmd_subsystem
; /* Target subsystem */
69 __u32 cmd_test
; /* Subsystem test */
70 __u32 cmd_data_size
; /* Opaque data size */
71 char cmd_data_str
[0]; /* Opaque data region */
75 #define SPLAT_CFG _IOWR('f', 101, splat_cfg_t)
76 #define SPLAT_CMD _IOWR('f', 102, splat_cmd_t)
78 /* Valid configuration commands */
79 #define SPLAT_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
80 #define SPLAT_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
81 #define SPLAT_CFG_SUBSYSTEM_COUNT 0x101 /* Number of subsystem */
82 #define SPLAT_CFG_SUBSYSTEM_LIST 0x102 /* List of N subsystems */
83 #define SPLAT_CFG_TEST_COUNT 0x201 /* Number of tests */
84 #define SPLAT_CFG_TEST_LIST 0x202 /* List of N tests */
87 * Valid subsystem and test commands are defined in each subsystem as
88 * SPLAT_SUBSYSTEM_*. We do need to be careful to avoid collisions, the
89 * currently defined subsystems are as follows:
91 #define SPLAT_SUBSYSTEM_KMEM 0x0100
92 #define SPLAT_SUBSYSTEM_TASKQ 0x0200
93 #define SPLAT_SUBSYSTEM_KRNG 0x0300
94 #define SPLAT_SUBSYSTEM_MUTEX 0x0400
95 #define SPLAT_SUBSYSTEM_CONDVAR 0x0500
96 #define SPLAT_SUBSYSTEM_THREAD 0x0600
97 #define SPLAT_SUBSYSTEM_RWLOCK 0x0700
98 #define SPLAT_SUBSYSTEM_TIME 0x0800
99 #define SPLAT_SUBSYSTEM_VNODE 0x0900
100 #define SPLAT_SUBSYSTEM_KOBJ 0x0a00
101 #define SPLAT_SUBSYSTEM_ATOMIC 0x0b00
102 #define SPLAT_SUBSYSTEM_LIST 0x0c00
103 #define SPLAT_SUBSYSTEM_GENERIC 0x0d00
104 #define SPLAT_SUBSYSTEM_CRED 0x0e00
105 #define SPLAT_SUBSYSTEM_ZLIB 0x0f00
106 #define SPLAT_SUBSYSTEM_LINUX 0x1000
107 #define SPLAT_SUBSYSTEM_UNKNOWN 0xff00
109 #endif /* _SPLAT_CTL_H */