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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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _PORTIF_H
#define _PORTIF_H
/*
* Definitions for stmf local ports and port providers.
*/
#include <sys/stmf_defines.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct stmf_dbuf_store {
void *ds_stmf_private;
void *ds_port_private;
stmf_data_buf_t *(*ds_alloc_data_buf)(struct scsi_task *task,
uint32_t size, uint32_t *pminsize, uint32_t flags);
void (*ds_free_data_buf)(
struct stmf_dbuf_store *ds, stmf_data_buf_t *dbuf);
stmf_status_t (*ds_setup_dbuf)(struct scsi_task *task,
stmf_data_buf_t *dbuf, uint32_t flags);
void (*ds_teardown_dbuf)(
struct stmf_dbuf_store *ds, stmf_data_buf_t *dbuf);
} stmf_dbuf_store_t;
#define PORTIF_REV_1 0x00010000
typedef struct stmf_local_port {
void *lport_stmf_private;
void *lport_port_private;
uint32_t lport_abort_timeout;
struct scsi_devid_desc *lport_id;
char *lport_alias;
struct stmf_port_provider *lport_pp;
struct stmf_dbuf_store *lport_ds;
/* lport ops */
stmf_status_t (*lport_xfer_data)(struct scsi_task *task,
struct stmf_data_buf *dbuf, uint32_t ioflags);
stmf_status_t (*lport_send_status)(struct scsi_task *task,
uint32_t ioflags);
void (*lport_task_free)(struct scsi_task *task);
stmf_status_t (*lport_abort)(struct stmf_local_port *lport,
int abort_cmd, void *arg, uint32_t flags);
void (*lport_task_poll)(struct scsi_task *task);
void (*lport_ctl)(struct stmf_local_port *lport,
int cmd, void *arg);
stmf_status_t (*lport_info)(uint32_t cmd,
struct stmf_local_port *lport, void *arg, uint8_t *buf,
uint32_t *bufsizep);
void (*lport_event_handler)(
struct stmf_local_port *lport, int eventid, void *arg,
uint32_t flags);
} stmf_local_port_t;
typedef struct stmf_remote_port {
struct scsi_transport_id *rport_tptid;
uint16_t rport_tptid_sz;
} stmf_remote_port_t;
typedef struct stmf_dflt_scsi_tptid {
#if defined(_BIT_FIELDS_LTOH)
uint8_t protocol_id : 4,
resbits : 2,
format_code : 2;
#elif defined(_BIT_FIELDS_HTOL)
uint8_t format_code : 2,
resbits : 2,
protocol_id : 4;
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
uint8_t rsvbyte1;
uint8_t ident_len[2];
char ident[1];
} stmf_dflt_scsi_tptid_t;
/*
* abort cmd
*/
#define STMF_LPORT_ABORT_TASK 0x40
typedef struct stmf_port_provider {
void *pp_stmf_private;
void *pp_provider_private;
uint32_t pp_portif_rev; /* Currently PORTIF_REV_1 */
int pp_instance;
char *pp_name;
void (*pp_cb)(struct stmf_port_provider *pp,
int cmd, void *arg, uint32_t flags);
} stmf_port_provider_t;
#define STMF_SESSION_ID_NONE ((uint64_t)0)
typedef struct stmf_scsi_session {
void *ss_stmf_private;
void *ss_port_private;
struct scsi_devid_desc *ss_rport_id;
char *ss_rport_alias;
struct stmf_local_port *ss_lport;
uint64_t ss_session_id;
struct stmf_remote_port *ss_rport;
} stmf_scsi_session_t;
stmf_status_t stmf_register_port_provider(stmf_port_provider_t *pp);
stmf_status_t stmf_deregister_port_provider(stmf_port_provider_t *pp);
stmf_status_t stmf_register_local_port(stmf_local_port_t *lportp);
stmf_status_t stmf_deregister_local_port(stmf_local_port_t *lport);
stmf_status_t stmf_register_scsi_session(stmf_local_port_t *lport,
stmf_scsi_session_t *ss);
stmf_status_t stmf_add_rport_info(stmf_scsi_session_t *ss,
const char *prop_name, const char *prop_value);
void stmf_remove_rport_info(stmf_scsi_session_t *ss,
const char *prop_name);
void stmf_deregister_scsi_session(stmf_local_port_t *lport,
stmf_scsi_session_t *ss);
void stmf_set_port_standby(stmf_local_port_t *lport, uint16_t rtpid);
void stmf_set_port_alua(stmf_local_port_t *lport);
#ifdef __cplusplus
}
#endif
#endif /* _PORTIF_H */
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