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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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _LIBSMP_PLUGIN_H
#define _LIBSMP_PLUGIN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/scsi/generic/smp_frames.h>
#include <scsi/libsmp.h>
#include <stddef.h>
#define LIBSMP_PLUGIN_VERSION 1
#define LIBSMP_ENGINE_VERSION 1
#ifndef SMP_REQ_MINLEN
#define SMP_REQ_MINLEN \
(offsetof(smp_request_frame_t, srf_data[0]) + sizeof (smp_crc_t))
#endif
#ifndef SMP_RESP_MINLEN
#define SMP_RESP_MINLEN \
(offsetof(smp_response_frame_t, srf_data[0]) + sizeof (smp_crc_t))
#endif
#define VERIFY(x) ((void)((x) || smp_assert(#x, __FILE__, __LINE__)))
#ifdef DEBUG
#define ASSERT(x) VERIFY(x)
#else
#define ASSERT(x)
#endif
struct smp_engine;
typedef struct smp_engine smp_engine_t;
struct smp_plugin;
typedef struct smp_plugin smp_plugin_t;
typedef struct smp_engine_ops {
void *(*seo_open)(const void *);
void (*seo_close)(void *);
int (*seo_exec)(void *, smp_action_t *);
void (*seo_target_name)(void *, char *, size_t);
uint64_t (*seo_target_addr)(void *);
} smp_engine_ops_t;
typedef struct smp_engine_config {
const char *sec_name;
const smp_engine_ops_t *sec_ops;
} smp_engine_config_t;
#define SMP_FD_F_NEEDS_CHANGE_COUNT 0x0001
#define SMP_FD_F_PROVIDES_CHANGE_COUNT 0x0002
#define SMP_FD_F_READ 0x0004
#define SMP_FD_F_WRITE 0x0008
typedef struct smp_function_def {
smp_function_t sfd_function;
uint_t sfd_capmask;
uint_t sfd_capset;
uint_t sfd_flags;
size_t (*sfd_rq_len)(size_t, smp_target_t *);
off_t (*sfd_rq_dataoff)(smp_action_t *, smp_target_t *);
void (*sfd_rq_setframe)(smp_action_t *, smp_target_t *);
size_t (*sfd_rs_datalen)(smp_action_t *, smp_target_t *);
off_t (*sfd_rs_dataoff)(smp_action_t *, smp_target_t *);
void (*sfd_rs_getparams)(smp_action_t *, smp_target_t *);
} smp_function_def_t;
typedef struct smp_plugin_config {
const char *spc_name;
smp_function_def_t *spc_functions;
} smp_plugin_config_t;
extern int smp_assert(const char *, const char *, int);
extern void *smp_alloc(size_t);
extern void *smp_zalloc(size_t);
extern char *smp_strdup(const char *);
extern void smp_free(void *);
extern int smp_set_errno(smp_errno_t);
extern int smp_verror(smp_errno_t, const char *, va_list);
extern int smp_error(smp_errno_t, const char *, ...);
extern void smp_action_get_request_frame(const smp_action_t *,
void **, size_t *);
extern void smp_action_get_response_frame(const smp_action_t *,
void **, size_t *);
extern void smp_action_set_response_len(smp_action_t *, size_t);
extern void smp_action_set_result(smp_action_t *, smp_result_t);
extern const smp_function_def_t *smp_action_get_function_def(
const smp_action_t *);
extern int smp_engine_register(smp_engine_t *, int,
const smp_engine_config_t *);
extern int smp_plugin_register(smp_plugin_t *, int,
const smp_plugin_config_t *);
extern void smp_plugin_setspecific(smp_plugin_t *, void *);
extern void *smp_plugin_getspecific(smp_plugin_t *);
#ifdef __cplusplus
}
#endif
#endif /* _LIBSMP_PLUGIN_H */
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