forked from Minki/linux
39e84790d3
open-iscsi-headers.patch - common header files: - iscsi_if.h (user/kernel #defines and user/kernel events); - iscsi_proto.h (RFC3720 #defines and types); - scsi_transport_iscsi.h (transport API, transport #defines and types). Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/*
|
|
* iSCSI transport class definitions
|
|
*
|
|
* Copyright (C) IBM Corporation, 2004
|
|
* Copyright (C) Mike Christie, 2004 - 2005
|
|
* Copyright (C) Dmitry Yusupov, 2004 - 2005
|
|
* Copyright (C) Alex Aizman, 2004 - 2005
|
|
*
|
|
* This program 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 program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
#ifndef SCSI_TRANSPORT_ISCSI_H
|
|
#define SCSI_TRANSPORT_ISCSI_H
|
|
|
|
#include <scsi/iscsi_if.h>
|
|
|
|
/**
|
|
* struct iscsi_transport - iSCSI Transport template
|
|
*
|
|
* @name: transport name
|
|
* @caps: iSCSI Data-Path capabilities
|
|
* @create_session: create new iSCSI session object
|
|
* @destroy_session: destroy existing iSCSI session object
|
|
* @create_conn: create new iSCSI connection
|
|
* @bind_conn: associate this connection with existing iSCSI session
|
|
* and specified transport descriptor
|
|
* @destroy_conn: destroy inactive iSCSI connection
|
|
* @set_param: set iSCSI Data-Path operational parameter
|
|
* @start_conn: set connection to be operational
|
|
* @stop_conn: suspend/recover/terminate connection
|
|
* @send_pdu: send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text.
|
|
*
|
|
* Template API provided by iSCSI Transport
|
|
*/
|
|
struct iscsi_transport {
|
|
struct module *owner;
|
|
char *name;
|
|
unsigned int caps;
|
|
struct scsi_host_template *host_template;
|
|
int hostdata_size;
|
|
int max_lun;
|
|
unsigned int max_conn;
|
|
unsigned int max_cmd_len;
|
|
iscsi_sessionh_t (*create_session) (uint32_t initial_cmdsn,
|
|
struct Scsi_Host *shost);
|
|
void (*destroy_session) (iscsi_sessionh_t session);
|
|
iscsi_connh_t (*create_conn) (iscsi_sessionh_t session, uint32_t cid);
|
|
int (*bind_conn) (iscsi_sessionh_t session, iscsi_connh_t conn,
|
|
uint32_t transport_fd, int is_leading);
|
|
int (*start_conn) (iscsi_connh_t conn);
|
|
void (*stop_conn) (iscsi_connh_t conn, int flag);
|
|
void (*destroy_conn) (iscsi_connh_t conn);
|
|
int (*set_param) (iscsi_connh_t conn, enum iscsi_param param,
|
|
uint32_t value);
|
|
int (*get_param) (iscsi_connh_t conn, enum iscsi_param param,
|
|
uint32_t *value);
|
|
int (*send_pdu) (iscsi_connh_t conn, struct iscsi_hdr *hdr,
|
|
char *data, uint32_t data_size);
|
|
void (*get_stats) (iscsi_connh_t conn, struct iscsi_stats *stats);
|
|
};
|
|
|
|
/*
|
|
* transport registration upcalls
|
|
*/
|
|
extern int iscsi_register_transport(struct iscsi_transport *tt);
|
|
extern int iscsi_unregister_transport(struct iscsi_transport *tt);
|
|
|
|
/*
|
|
* control plane upcalls
|
|
*/
|
|
extern void iscsi_conn_error(iscsi_connh_t conn, enum iscsi_err error);
|
|
extern int iscsi_recv_pdu(iscsi_connh_t conn, struct iscsi_hdr *hdr,
|
|
char *data, uint32_t data_size);
|
|
|
|
#endif
|