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/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SV_H
#define _SV_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Storage Volume Character and Block Driver (SV)
* Public header file.
* SPARC case 1998/036.
* PSARC case 1999/023.
*/
#define SV_MAXPATH NSC_MAXPATH
#define SV_DEVICE "/dev/sv"
/*
* Ioctl structures
*/
typedef struct sv_name_s {
char svn_path[SV_MAXPATH]; /* path to underlying raw device */
time_t svn_timestamp; /* timestamp of successful enable */
int svn_nblocks; /* size of device */
int svn_mode; /* NSC_DEVICE | NSC_CACHE */
} sv_name_t;
#ifdef _KERNEL
typedef struct sv_name32_s {
char svn_path[SV_MAXPATH]; /* path to underlying raw device */
int32_t svn_timestamp; /* timestamp of successful enable */
int32_t svn_nblocks; /* size of device */
int32_t svn_mode; /* NSC_DEVICE | NSC_CACHE */
} sv_name32_t;
#endif /* _KERNEL */
typedef struct sv_list_s {
spcs_s_info_t svl_error; /* Error information */
time_t svl_timestamp; /* time of successful {en,dis}able */
int svl_count; /* Count of elements in svl_names */
int svl_maxdevs; /* Max # of devices that can be used */
sv_name_t *svl_names; /* pointer to names array */
} sv_list_t;
#ifdef _KERNEL
typedef struct sv_list32_s {
spcs_s_info32_t svl_error; /* Error information */
int32_t svl_timestamp; /* time of successful {en,dis}able */
int32_t svl_count; /* Count of elements in svl_names */
int32_t svl_maxdevs; /* Max # of devices that can be used */
uint32_t svl_names; /* pointer to names array */
} sv_list32_t;
#endif /* _KERNEL */
typedef struct sv_conf_s {
spcs_s_info_t svc_error; /* Error information */
char svc_path[SV_MAXPATH]; /* path to underlying raw device */
int svc_flag; /* NSC_DEVICE | NSC_CACHE */
major_t svc_major; /* major_t of underlying raw device */
minor_t svc_minor; /* minor_t of underlying raw device */
} sv_conf_t;
#ifdef _KERNEL
typedef struct sv_conf32_s {
spcs_s_info32_t svc_error; /* Error information */
char svc_path[SV_MAXPATH]; /* path to underlying raw device */
int32_t svc_flag; /* NSC_DEVICE | NSC_CACHE */
major_t svc_major; /* major_t of underlying raw device */
minor_t svc_minor; /* minor_t of underlying raw device */
} sv_conf32_t;
#endif /* _KERNEL */
typedef struct sv_version_s {
spcs_s_info_t svv_error; /* Error information */
int svv_major_rev; /* Major revision */
int svv_minor_rev; /* Minor revision */
int svv_micro_rev; /* Micro revision */
int svv_baseline_rev; /* Baseline revision */
} sv_version_t;
#ifdef _KERNEL
typedef struct sv_version32_s {
spcs_s_info32_t svv_error; /* Error information */
int32_t svv_major_rev; /* Major revision */
int32_t svv_minor_rev; /* Minor revision */
int32_t svv_micro_rev; /* Micro revision */
int32_t svv_baseline_rev; /* Baseline revision */
} sv_version32_t;
#endif /* _KERNEL */
#ifdef _KERNEL
/*
* SV guard devices.
*/
typedef struct sv_guard_s {
int sg_magic; /* Magic # */
int sg_version; /* Version # */
char *sg_pathname; /* Pathname of device to guard */
char *sg_module; /* Module name of client */
int sg_kernel; /* Prevent user access if true */
spcs_s_info_t sg_error; /* Error to be returned to client */
} sv_guard_t;
#define SV_SG_MAGIC 0x47554152
#define SV_SG_VERSION 1
#endif /* _KERNEL */
/*
* Ioctl numbers.
*/
#define __SV__(x) (('S'<<16)|('V'<<8)|(x))
#define SVIOC_ENABLE __SV__(1)
#define SVIOC_DISABLE __SV__(2)
#define SVIOC_LIST __SV__(3)
#define SVIOC_VERSION __SV__(4)
#define SVIOC_UNLOAD __SV__(5)
/*
* seconds to wait before unload, to drain lingering IOs.
*/
#define SV_WAIT_UNLOAD 10
#ifdef __cplusplus
}
#endif
#endif /* _SV_H */
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