-/*
- * This file is part of the SPL: Solaris Porting Layer.
- *
- * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
- * Produced at Lawrence Livermore National Laboratory
- * Written by:
- * Brian Behlendorf <behlendorf1@llnl.gov>,
- * Herb Wartens <wartens2@llnl.gov>,
- * Jim Garlick <garlick@llnl.gov>
+/*****************************************************************************\
+ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ * Copyright (C) 2007 The Regents of the University of California.
+ * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This file is part of the SPL, Solaris Porting Layer.
+ * For details, see <http://zfsonlinux.org/>.
*
- * This is distributed in the hope that it will be useful, but WITHOUT
+ * The SPL is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
+ * with the SPL. If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
#ifndef _SPLAT_CTL_H
-#define _SPLAT_CTL_H
+#define _SPLAT_CTL_H
-/* Contains shared definitions which both the userspace
- * and kernelspace portions of splat must agree on.
- */
+#include <linux/types.h>
-#define SPLAT_MAJOR 225 /* XXX - Arbitrary */
-#define SPLAT_MINORS 1
-#define SPLAT_NAME "splatctl"
-#define SPLAT_DEV "/dev/splatctl"
+/*
+ * Contains shared definitions for both user space and kernel space. To
+ * ensure 32-bit/64-bit interoperability over ioctl()'s only types with
+ * fixed sizes can be used.
+ */
+#define SPLAT_NAME "splatctl"
+#define SPLAT_DEV "/dev/splatctl"
-#define SPLAT_NAME_SIZE 20
-#define SPLAT_DESC_SIZE 60
+#define SPLAT_NAME_SIZE 20
+#define SPLAT_DESC_SIZE 60
typedef struct splat_user {
- char name[SPLAT_NAME_SIZE]; /* short name */
- char desc[SPLAT_DESC_SIZE]; /* short description */
- int id; /* unique numeric id */
+ char name[SPLAT_NAME_SIZE]; /* Short name */
+ char desc[SPLAT_DESC_SIZE]; /* Short description */
+ __u32 id; /* Unique numeric id */
} splat_user_t;
#define SPLAT_CFG_MAGIC 0x15263748U
typedef struct splat_cfg {
- unsigned int cfg_magic; /* Unique magic */
- int cfg_cmd; /* Config command */
- int cfg_arg1; /* Config command arg 1 */
- int cfg_rc1; /* Config response 1 */
+ __u32 cfg_magic; /* Unique magic */
+ __u32 cfg_cmd; /* Configure command */
+ __s32 cfg_arg1; /* Configure command arg 1 */
+ __s32 cfg_rc1; /* Configure response 1 */
union {
struct {
- int size;
+ __u32 size;
splat_user_t descs[0];
} splat_subsystems;
struct {
- int size;
+ __u32 size;
splat_user_t descs[0];
} splat_tests;
} cfg_data;
#define SPLAT_CMD_MAGIC 0x9daebfc0U
typedef struct splat_cmd {
- unsigned int cmd_magic; /* Unique magic */
- int cmd_subsystem; /* Target subsystem */
- int cmd_test; /* Subsystem test */
- int cmd_data_size; /* Extra opaque data */
+ __u32 cmd_magic; /* Unique magic */
+ __u32 cmd_subsystem; /* Target subsystem */
+ __u32 cmd_test; /* Subsystem test */
+ __u32 cmd_data_size; /* Opaque data size */
char cmd_data_str[0]; /* Opaque data region */
} splat_cmd_t;
/* Valid ioctls */
-#define SPLAT_CFG _IOWR('f', 101, long)
-#define SPLAT_CMD _IOWR('f', 102, long)
+#define SPLAT_CFG _IOWR('f', 101, splat_cfg_t)
+#define SPLAT_CMD _IOWR('f', 102, splat_cmd_t)
/* Valid configuration commands */
-#define SPLAT_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
-#define SPLAT_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
-#define SPLAT_CFG_SUBSYSTEM_COUNT 0x101 /* Number of subsystem */
-#define SPLAT_CFG_SUBSYSTEM_LIST 0x102 /* List of N subsystems */
-#define SPLAT_CFG_TEST_COUNT 0x201 /* Number of tests */
-#define SPLAT_CFG_TEST_LIST 0x202 /* List of N tests */
+#define SPLAT_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
+#define SPLAT_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
+#define SPLAT_CFG_SUBSYSTEM_COUNT 0x101 /* Number of subsystem */
+#define SPLAT_CFG_SUBSYSTEM_LIST 0x102 /* List of N subsystems */
+#define SPLAT_CFG_TEST_COUNT 0x201 /* Number of tests */
+#define SPLAT_CFG_TEST_LIST 0x202 /* List of N tests */
-/* Valid subsystem and test commands defined in each subsystem, we do
- * need to be careful to avoid colisions. That alone may argue to define
- * them all here, for now we just define the global error codes.
+/*
+ * Valid subsystem and test commands are defined in each subsystem as
+ * SPLAT_SUBSYSTEM_*. We do need to be careful to avoid collisions, the
+ * currently defined subsystems are as follows:
*/
-#define SPLAT_SUBSYSTEM_UNKNOWN 0xF00
-#define SPLAT_TEST_UNKNOWN 0xFFF
+#define SPLAT_SUBSYSTEM_KMEM 0x0100
+#define SPLAT_SUBSYSTEM_TASKQ 0x0200
+#define SPLAT_SUBSYSTEM_KRNG 0x0300
+#define SPLAT_SUBSYSTEM_MUTEX 0x0400
+#define SPLAT_SUBSYSTEM_CONDVAR 0x0500
+#define SPLAT_SUBSYSTEM_THREAD 0x0600
+#define SPLAT_SUBSYSTEM_RWLOCK 0x0700
+#define SPLAT_SUBSYSTEM_TIME 0x0800
+#define SPLAT_SUBSYSTEM_VNODE 0x0900
+#define SPLAT_SUBSYSTEM_KOBJ 0x0a00
+#define SPLAT_SUBSYSTEM_ATOMIC 0x0b00
+#define SPLAT_SUBSYSTEM_LIST 0x0c00
+#define SPLAT_SUBSYSTEM_GENERIC 0x0d00
+#define SPLAT_SUBSYSTEM_CRED 0x0e00
+#define SPLAT_SUBSYSTEM_ZLIB 0x0f00
+#define SPLAT_SUBSYSTEM_LINUX 0x1000
+#define SPLAT_SUBSYSTEM_UNKNOWN 0xff00
#endif /* _SPLAT_CTL_H */
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