external/bsd/iscsi/dist/include/target.h

   1 /*
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   3  * By downloading, copying, installing or using the software you agree
   4  * to this license.  If you do not agree to this license, do not
   5  * download, install, copy or use the software.
   6  *
   7  * Intel License Agreement
   8  *
   9  * Copyright (c) 2000, Intel Corporation
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  16  * -Redistributions of source code must retain the above copyright
  17  *  notice, this list of conditions and the following disclaimer.
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  19  * -Redistributions in binary form must reproduce the above copyright
  20  *  notice, this list of conditions and the following disclaimer in the
  21  *  documentation and/or other materials provided with the
  22  *  distribution.
  23  *
  24  * -The name of Intel Corporation may not be used to endorse or
  25  *  promote products derived from this software without specific prior
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  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  30  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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  32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  37  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  38  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  */
  41 #ifndef _TARGET_H_
  42 #define _TARGET_H_
  43
  44 #include "iscsiprotocol.h"
  45 #include "iscsiutil.h"
  46 #include "parameters.h"
  47 #include "storage.h"
  48 #include "iscsi.h"
  49
  50 /* Default configuration */
  51 #define DEFAULT_TARGET_MAX_SESSIONS 16  /* n+1 */
  52 #define DEFAULT_TARGET_NUM_LUNS     1
  53 #define DEFAULT_TARGET_BLOCK_LEN    512
  54 #define DEFAULT_TARGET_NUM_BLOCKS   204800
  55 #define DEFAULT_TARGET_NAME         "iqn.1994-04.org.netbsd.iscsi-target"
  56 #define DEFAULT_TARGET_QUEUE_DEPTH  8
  57 #define DEFAULT_TARGET_TCQ          0
  58
  59 enum {
  60         MAX_INITIATOR_ADDRESS_SIZE = 256
  61
  62 };
  63
  64 /* session parameters */
  65 typedef struct target_session_t {
  66         int             id;
  67         int             d;
  68         int             sock;
  69         uint16_t        cid;
  70         uint32_t        StatSN;
  71         uint32_t        ExpCmdSN;
  72         uint32_t        MaxCmdSN;
  73         uint8_t        *buff;
  74         int             UsePhaseCollapsedRead;
  75         int             IsFullFeature;
  76         int             IsLoggedIn;
  77         int             LoginStarted;
  78         uint64_t        isid;
  79         int             tsih;
  80         iscsi_target_t  *target;
  81         iscsi_worker_t  worker;
  82         iscsi_parameter_t *params;
  83         iscsi_sess_param_t sess_params;
  84         char            initiator[MAX_INITIATOR_ADDRESS_SIZE];
  85         int             address_family;
  86         int32_t         last_tsih;
  87 } target_session_t;
  88
  89 typedef struct target_cmd_t {
  90         iscsi_scsi_cmd_args_t *scsi_cmd;
  91         int             (*callback) (void *);
  92         void           *callback_arg;
  93 } target_cmd_t;
  94
  95 int target_transfer_data(target_session_t *, iscsi_scsi_cmd_args_t *, struct iovec *, int);
  96
  97 int find_target_tsih(iscsi_target_t *, int);
  98 int find_target_iqn(target_session_t *);
  99
 100 #endif /* _TARGET_H_ */