author | Florian Westphal <fw@strlen.de> |
Thu, 09 Apr 2009 12:07:21 +0200 | |
changeset 2 | d1f6d8b6f81c |
parent 0 | aa628870c1d3 |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2005 Dmitry Yusupov |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2005 Alex Aizman |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* maintained by open-iscsi@googlegroups.com |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* This program is free software; you can redistribute it and/or modify |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* it under the terms of the GNU General Public License as published |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* by the Free Software Foundation; either version 2 of the License, or |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* (at your option) any later version. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* This program is distributed in the hope that it will be useful, but |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* General Public License for more details. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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* See the file COPYING included with this distribution for more details. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
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#ifndef ISCSI_IF_H |
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#define ISCSI_IF_H |
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|
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#include <scsi/iscsi_proto.h> |
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|
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#define UEVENT_BASE 10 |
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#define KEVENT_BASE 100 |
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#define ISCSI_ERR_BASE 1000 |
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|
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enum iscsi_uevent_e { |
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ISCSI_UEVENT_UNKNOWN = 0, |
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|
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/* down events */ |
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ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1, |
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ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2, |
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ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3, |
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ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4, |
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ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5, |
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ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6, |
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ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7, |
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ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8, |
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ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9, |
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ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10, |
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ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11, |
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|
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ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12, |
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ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13, |
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ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14, |
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|
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ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15, |
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ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16, |
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ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17, |
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ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, |
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|
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/* up events */ |
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ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2, |
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ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6, |
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}; |
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|
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enum iscsi_tgt_dscvr { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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ISCSI_TGT_DSCVR_SEND_TARGETS = 1, |
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ISCSI_TGT_DSCVR_ISNS = 2, |
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ISCSI_TGT_DSCVR_SLP = 3, |
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}; |
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|
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struct iscsi_uevent { |
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uint32_t type; /* k/u events type */ |
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uint32_t iferror; /* carries interface or resource errors */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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uint64_t transport_handle; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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union { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* messages u -> k */ |
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struct msg_create_session { |
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uint32_t initial_cmdsn; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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uint16_t cmds_max; |
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uint16_t queue_depth; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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} c_session; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct msg_create_bound_session { |
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uint64_t ep_handle; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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uint32_t initial_cmdsn; |
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uint16_t cmds_max; |
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parents:
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uint16_t queue_depth; |
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} c_bound_session; |
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struct msg_destroy_session { |
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uint32_t sid; |
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} d_session; |
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struct msg_create_conn { |
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uint32_t sid; |
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uint32_t cid; |
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} c_conn; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct msg_bind_conn { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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uint32_t sid; |
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uint32_t cid; |
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uint64_t transport_eph; |
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uint32_t is_leading; |
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} b_conn; |
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struct msg_destroy_conn { |
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uint32_t sid; |
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uint32_t cid; |
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} d_conn; |
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struct msg_send_pdu { |
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uint32_t sid; |
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uint32_t cid; |
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uint32_t hdr_size; |
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uint32_t data_size; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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} send_pdu; |
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struct msg_set_param { |
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uint32_t sid; |
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uint32_t cid; |
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uint32_t param; /* enum iscsi_param */ |
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uint32_t len; |
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116 |
} set_param; |
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struct msg_start_conn { |
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uint32_t sid; |
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uint32_t cid; |
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120 |
} start_conn; |
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struct msg_stop_conn { |
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uint32_t sid; |
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uint32_t cid; |
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uint64_t conn_handle; |
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uint32_t flag; |
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126 |
} stop_conn; |
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struct msg_get_stats { |
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uint32_t sid; |
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uint32_t cid; |
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} get_stats; |
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struct msg_transport_connect { |
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uint32_t non_blocking; |
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} ep_connect; |
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134 |
struct msg_transport_poll { |
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uint64_t ep_handle; |
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uint32_t timeout_ms; |
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137 |
} ep_poll; |
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struct msg_transport_disconnect { |
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139 |
uint64_t ep_handle; |
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140 |
} ep_disconnect; |
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141 |
struct msg_tgt_dscvr { |
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enum iscsi_tgt_dscvr type; |
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uint32_t host_no; |
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144 |
/* |
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* enable = 1 to establish a new connection |
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146 |
* with the server. enable = 0 to disconnect |
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147 |
* from the server. Used primarily to switch |
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148 |
* from one iSNS server to another. |
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149 |
*/ |
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150 |
uint32_t enable; |
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151 |
} tgt_dscvr; |
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152 |
struct msg_set_host_param { |
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153 |
uint32_t host_no; |
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154 |
uint32_t param; /* enum iscsi_host_param */ |
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155 |
uint32_t len; |
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156 |
} set_host_param; |
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157 |
} u; |
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158 |
union { |
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159 |
/* messages k -> u */ |
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160 |
int retcode; |
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161 |
struct msg_create_session_ret { |
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162 |
uint32_t sid; |
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163 |
uint32_t host_no; |
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164 |
} c_session_ret; |
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165 |
struct msg_create_conn_ret { |
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166 |
uint32_t sid; |
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167 |
uint32_t cid; |
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168 |
} c_conn_ret; |
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169 |
struct msg_unbind_session { |
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170 |
uint32_t sid; |
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171 |
uint32_t host_no; |
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172 |
} unbind_session; |
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173 |
struct msg_recv_req { |
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174 |
uint32_t sid; |
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175 |
uint32_t cid; |
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176 |
uint64_t recv_handle; |
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177 |
} recv_req; |
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178 |
struct msg_conn_error { |
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179 |
uint32_t sid; |
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180 |
uint32_t cid; |
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181 |
uint32_t error; /* enum iscsi_err */ |
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|
182 |
} connerror; |
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183 |
struct msg_session_destroyed { |
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184 |
uint32_t host_no; |
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185 |
uint32_t sid; |
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|
186 |
} d_session; |
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187 |
struct msg_transport_connect_ret { |
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188 |
uint64_t handle; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
189 |
} ep_connect_ret; |
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190 |
} r; |
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191 |
} __attribute__ ((aligned (sizeof(uint64_t)))); |
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192 |
|
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193 |
/* |
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194 |
* Common error codes |
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195 |
*/ |
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196 |
enum iscsi_err { |
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197 |
ISCSI_OK = 0, |
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198 |
|
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199 |
ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1, |
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|
200 |
ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2, |
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201 |
ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3, |
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202 |
ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4, |
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203 |
ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5, |
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204 |
ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6, |
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205 |
ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7, |
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206 |
ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8, |
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207 |
ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9, |
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208 |
ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10, |
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209 |
ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11, |
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210 |
ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12, |
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211 |
ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13, |
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212 |
ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14, |
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213 |
ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15, |
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214 |
ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16, |
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215 |
ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17, |
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|
216 |
ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18, |
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|
217 |
ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19, |
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|
218 |
}; |
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|
219 |
|
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|
220 |
/* |
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|
221 |
* iSCSI Parameters (RFC3720) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
222 |
*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
223 |
enum iscsi_param { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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224 |
/* passed in using netlink set param */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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225 |
ISCSI_PARAM_MAX_RECV_DLENGTH, |
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ISCSI_PARAM_MAX_XMIT_DLENGTH, |
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ISCSI_PARAM_HDRDGST_EN, |
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ISCSI_PARAM_DATADGST_EN, |
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ISCSI_PARAM_INITIAL_R2T_EN, |
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ISCSI_PARAM_MAX_R2T, |
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ISCSI_PARAM_IMM_DATA_EN, |
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ISCSI_PARAM_FIRST_BURST, |
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ISCSI_PARAM_MAX_BURST, |
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ISCSI_PARAM_PDU_INORDER_EN, |
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ISCSI_PARAM_DATASEQ_INORDER_EN, |
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ISCSI_PARAM_ERL, |
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ISCSI_PARAM_IFMARKER_EN, |
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ISCSI_PARAM_OFMARKER_EN, |
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ISCSI_PARAM_EXP_STATSN, |
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ISCSI_PARAM_TARGET_NAME, |
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ISCSI_PARAM_TPGT, |
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ISCSI_PARAM_PERSISTENT_ADDRESS, |
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ISCSI_PARAM_PERSISTENT_PORT, |
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ISCSI_PARAM_SESS_RECOVERY_TMO, |
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|
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/* pased in through bind conn using transport_fd */ |
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ISCSI_PARAM_CONN_PORT, |
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ISCSI_PARAM_CONN_ADDRESS, |
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|
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ISCSI_PARAM_USERNAME, |
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ISCSI_PARAM_USERNAME_IN, |
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ISCSI_PARAM_PASSWORD, |
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ISCSI_PARAM_PASSWORD_IN, |
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254 |
|
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ISCSI_PARAM_FAST_ABORT, |
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ISCSI_PARAM_ABORT_TMO, |
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ISCSI_PARAM_LU_RESET_TMO, |
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ISCSI_PARAM_HOST_RESET_TMO, |
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|
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ISCSI_PARAM_PING_TMO, |
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261 |
ISCSI_PARAM_RECV_TMO, |
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262 |
|
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263 |
ISCSI_PARAM_IFACE_NAME, |
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264 |
ISCSI_PARAM_ISID, |
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265 |
ISCSI_PARAM_INITIATOR_NAME, |
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266 |
/* must always be last */ |
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267 |
ISCSI_PARAM_MAX, |
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268 |
}; |
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|
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270 |
#define ISCSI_MAX_RECV_DLENGTH (1ULL << ISCSI_PARAM_MAX_RECV_DLENGTH) |
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271 |
#define ISCSI_MAX_XMIT_DLENGTH (1ULL << ISCSI_PARAM_MAX_XMIT_DLENGTH) |
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272 |
#define ISCSI_HDRDGST_EN (1ULL << ISCSI_PARAM_HDRDGST_EN) |
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273 |
#define ISCSI_DATADGST_EN (1ULL << ISCSI_PARAM_DATADGST_EN) |
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274 |
#define ISCSI_INITIAL_R2T_EN (1ULL << ISCSI_PARAM_INITIAL_R2T_EN) |
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275 |
#define ISCSI_MAX_R2T (1ULL << ISCSI_PARAM_MAX_R2T) |
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276 |
#define ISCSI_IMM_DATA_EN (1ULL << ISCSI_PARAM_IMM_DATA_EN) |
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277 |
#define ISCSI_FIRST_BURST (1ULL << ISCSI_PARAM_FIRST_BURST) |
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278 |
#define ISCSI_MAX_BURST (1ULL << ISCSI_PARAM_MAX_BURST) |
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279 |
#define ISCSI_PDU_INORDER_EN (1ULL << ISCSI_PARAM_PDU_INORDER_EN) |
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280 |
#define ISCSI_DATASEQ_INORDER_EN (1ULL << ISCSI_PARAM_DATASEQ_INORDER_EN) |
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281 |
#define ISCSI_ERL (1ULL << ISCSI_PARAM_ERL) |
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282 |
#define ISCSI_IFMARKER_EN (1ULL << ISCSI_PARAM_IFMARKER_EN) |
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283 |
#define ISCSI_OFMARKER_EN (1ULL << ISCSI_PARAM_OFMARKER_EN) |
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284 |
#define ISCSI_EXP_STATSN (1ULL << ISCSI_PARAM_EXP_STATSN) |
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285 |
#define ISCSI_TARGET_NAME (1ULL << ISCSI_PARAM_TARGET_NAME) |
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|
286 |
#define ISCSI_TPGT (1ULL << ISCSI_PARAM_TPGT) |
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287 |
#define ISCSI_PERSISTENT_ADDRESS (1ULL << ISCSI_PARAM_PERSISTENT_ADDRESS) |
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|
288 |
#define ISCSI_PERSISTENT_PORT (1ULL << ISCSI_PARAM_PERSISTENT_PORT) |
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289 |
#define ISCSI_SESS_RECOVERY_TMO (1ULL << ISCSI_PARAM_SESS_RECOVERY_TMO) |
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290 |
#define ISCSI_CONN_PORT (1ULL << ISCSI_PARAM_CONN_PORT) |
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291 |
#define ISCSI_CONN_ADDRESS (1ULL << ISCSI_PARAM_CONN_ADDRESS) |
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292 |
#define ISCSI_USERNAME (1ULL << ISCSI_PARAM_USERNAME) |
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293 |
#define ISCSI_USERNAME_IN (1ULL << ISCSI_PARAM_USERNAME_IN) |
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294 |
#define ISCSI_PASSWORD (1ULL << ISCSI_PARAM_PASSWORD) |
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295 |
#define ISCSI_PASSWORD_IN (1ULL << ISCSI_PARAM_PASSWORD_IN) |
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|
296 |
#define ISCSI_FAST_ABORT (1ULL << ISCSI_PARAM_FAST_ABORT) |
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297 |
#define ISCSI_ABORT_TMO (1ULL << ISCSI_PARAM_ABORT_TMO) |
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298 |
#define ISCSI_LU_RESET_TMO (1ULL << ISCSI_PARAM_LU_RESET_TMO) |
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299 |
#define ISCSI_HOST_RESET_TMO (1ULL << ISCSI_PARAM_HOST_RESET_TMO) |
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300 |
#define ISCSI_PING_TMO (1ULL << ISCSI_PARAM_PING_TMO) |
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|
301 |
#define ISCSI_RECV_TMO (1ULL << ISCSI_PARAM_RECV_TMO) |
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|
302 |
#define ISCSI_IFACE_NAME (1ULL << ISCSI_PARAM_IFACE_NAME) |
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|
303 |
#define ISCSI_ISID (1ULL << ISCSI_PARAM_ISID) |
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304 |
#define ISCSI_INITIATOR_NAME (1ULL << ISCSI_PARAM_INITIATOR_NAME) |
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|
305 |
|
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|
306 |
/* iSCSI HBA params */ |
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|
307 |
enum iscsi_host_param { |
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|
308 |
ISCSI_HOST_PARAM_HWADDRESS, |
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|
309 |
ISCSI_HOST_PARAM_INITIATOR_NAME, |
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|
310 |
ISCSI_HOST_PARAM_NETDEV_NAME, |
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|
311 |
ISCSI_HOST_PARAM_IPADDRESS, |
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|
312 |
ISCSI_HOST_PARAM_MAX, |
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|
313 |
}; |
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|
314 |
|
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|
315 |
#define ISCSI_HOST_HWADDRESS (1ULL << ISCSI_HOST_PARAM_HWADDRESS) |
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|
316 |
#define ISCSI_HOST_INITIATOR_NAME (1ULL << ISCSI_HOST_PARAM_INITIATOR_NAME) |
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|
317 |
#define ISCSI_HOST_NETDEV_NAME (1ULL << ISCSI_HOST_PARAM_NETDEV_NAME) |
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|
318 |
#define ISCSI_HOST_IPADDRESS (1ULL << ISCSI_HOST_PARAM_IPADDRESS) |
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|
319 |
|
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320 |
#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) |
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|
321 |
#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) |
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322 |
|
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|
323 |
/* |
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|
324 |
* These flags presents iSCSI Data-Path capabilities. |
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|
325 |
*/ |
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|
326 |
#define CAP_RECOVERY_L0 0x1 |
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|
327 |
#define CAP_RECOVERY_L1 0x2 |
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|
328 |
#define CAP_RECOVERY_L2 0x4 |
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#define CAP_MULTI_R2T 0x8 |
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#define CAP_HDRDGST 0x10 |
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#define CAP_DATADGST 0x20 |
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#define CAP_MULTI_CONN 0x40 |
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#define CAP_TEXT_NEGO 0x80 |
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#define CAP_MARKERS 0x100 |
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#define CAP_FW_DB 0x200 |
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#define CAP_SENDTARGETS_OFFLOAD 0x400 /* offload discovery process */ |
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#define CAP_DATA_PATH_OFFLOAD 0x800 /* offload entire IO path */ |
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#define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */ |
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#define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal, |
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and verification */ |
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0
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|
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/* |
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* These flags describes reason of stop_conn() call |
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*/ |
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#define STOP_CONN_TERM 0x1 |
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#define STOP_CONN_SUSPEND 0x2 |
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#define STOP_CONN_RECOVER 0x3 |
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|
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#define ISCSI_STATS_CUSTOM_MAX 32 |
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#define ISCSI_STATS_CUSTOM_DESC_MAX 64 |
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struct iscsi_stats_custom { |
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char desc[ISCSI_STATS_CUSTOM_DESC_MAX]; |
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uint64_t value; |
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}; |
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|
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/* |
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* struct iscsi_stats - iSCSI Statistics (iSCSI MIB) |
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* |
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* Note: this structure contains counters collected on per-connection basis. |
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*/ |
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struct iscsi_stats { |
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/* octets */ |
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uint64_t txdata_octets; |
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uint64_t rxdata_octets; |
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|
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/* xmit pdus */ |
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uint32_t noptx_pdus; |
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uint32_t scsicmd_pdus; |
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uint32_t tmfcmd_pdus; |
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uint32_t login_pdus; |
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uint32_t text_pdus; |
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uint32_t dataout_pdus; |
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uint32_t logout_pdus; |
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uint32_t snack_pdus; |
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|
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/* recv pdus */ |
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uint32_t noprx_pdus; |
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uint32_t scsirsp_pdus; |
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uint32_t tmfrsp_pdus; |
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uint32_t textrsp_pdus; |
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uint32_t datain_pdus; |
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uint32_t logoutrsp_pdus; |
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uint32_t r2t_pdus; |
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uint32_t async_pdus; |
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uint32_t rjt_pdus; |
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|
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/* errors */ |
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uint32_t digest_err; |
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uint32_t timeout_err; |
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|
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/* |
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* iSCSI Custom Statistics support, i.e. Transport could |
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* extend existing MIB statistics with its own specific statistics |
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* up to ISCSI_STATS_CUSTOM_MAX |
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*/ |
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uint32_t custom_length; |
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struct iscsi_stats_custom custom[0] |
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__attribute__ ((aligned (sizeof(uint64_t)))); |
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}; |
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|
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#endif |