138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/*
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* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By downloading, copying, installing or
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* using the software you agree to this license. If you do not agree to this license, do not download, install,
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* copy or use the software.
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*
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* Intel License Agreement
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*
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* Copyright (c) 2000, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
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* the following conditions are met:
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*
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* -Redistributions of source code must retain the above copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* -Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* -The name of Intel Corporation may not be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _INITIATOR_H_
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#define _INITIATOR_H_
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#include "iscsi.h"
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#include "parameters.h"
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#include "defs.h"
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#define CONFIG_INITIATOR_NUM_TARGETS 1
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/***********
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* Private *
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***********/
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#define CONFIG_INITIATOR_QUEUE_DEPTH CONFIG_INITIATOR_NUM_TARGETS
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#define CONFIG_INITIATOR_MAX_SESSIONS CONFIG_INITIATOR_NUM_TARGETS
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enum {
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INITIATOR_SESSION_STATE_INITIALIZING = 0x001,
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INITIATOR_SESSION_STATE_INITIALIZED = 0x002,
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INITIATOR_SESSION_STATE_CONNECTING = 0x004,
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INITIATOR_SESSION_STATE_CONNECTED = 0x008,
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INITIATOR_SESSION_STATE_LOGGING_IN = 0x010,
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INITIATOR_SESSION_STATE_AUTHENTICATED = 0x020,
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INITIATOR_SESSION_STATE_LOGGED_IN_NORMAL = 0x040,
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INITIATOR_SESSION_STATE_LOGGED_IN_DISCOVERY = 0x080,
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INITIATOR_SESSION_STATE_LOGGING_OUT = 0x100,
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INITIATOR_SESSION_STATE_LOGGED_OUT = 0x200,
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INITIATOR_SESSION_STATE_DESTROYING = 0x400
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};
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enum {
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TARGET_HOSTNAME_SIZE = 1024,
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TARGET_IP_SIZE = 16,
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TARGET_NAME_SIZE = 256
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};
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#define INITIATOR_STATE_SHUTDOWN 1
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typedef struct {
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iscsi_mutex_t mutex;
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iscsi_cond_t cond;
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} initiator_wait_t;
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typedef struct iscsi_session_t {
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iscsi_socket_t sock;
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uint32_t CmdSN;
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uint32_t ExpStatSN;
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uint32_t MaxCmdSN;
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iscsi_queue_t tx_queue;
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iscsi_worker_t tx_worker;
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iscsi_worker_t rx_worker;
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uint64_t isid;
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int tsih;
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int cid;
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uint32_t state;
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iscsi_parameter_t *params;
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struct initiator_cmd_t *cmds;
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iscsi_spin_t cmds_spin;
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iscsi_sess_param_t sess_params;
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} initiator_session_t;
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typedef struct initiator_cmd_t {
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void *ptr;
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int type;
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int (*callback) (void *);
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void *callback_arg;
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uint64_t isid;
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int tx_done;
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int status;
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struct initiator_cmd_t *next;
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struct initiator_cmd_t *hash_next;
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uint32_t key;
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char targetname[TARGET_HOSTNAME_SIZE];
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} initiator_cmd_t;
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typedef struct iscsi_target_t {
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char name[TARGET_HOSTNAME_SIZE];
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char ip[TARGET_IP_SIZE];
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int port;
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char TargetName[TARGET_NAME_SIZE];
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initiator_session_t *sess;
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int has_session;
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} initiator_target_t;
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DEFINE_ARRAY(strv_t, char *);
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enum {
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ISCSI_IPv4 = AF_INET,
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ISCSI_IPv6 = AF_INET6,
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ISCSI_UNSPEC = PF_UNSPEC
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};
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/**********
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* Public *
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**********/
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int initiator_init(const char *, int, const char *, int, int, int);
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int initiator_info(char *, int, int);
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int initiator_command(initiator_cmd_t *);
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int initiator_enqueue(initiator_cmd_t *);
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int initiator_abort(initiator_cmd_t *);
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int initiator_shutdown(void);
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int initiator_discover(char *, uint64_t, int);
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#endif /* _INITIATOR_H_ */
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