mirror of
https://github.com/SCST-project/scst.git
synced 2026-08-18 13:16:34 +00:00
Vladislav Bolkhovitin
a59b9a0849
- TM fixes and improvements, particularly, TARGET RESET now resets only visible to the initiator devices - Logs improvements git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@237 d57e44dd-8a1f-0410-8b47-8ef2f437770f
152 lines
3.0 KiB
C
152 lines
3.0 KiB
C
/*
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* Copyright (C) 2007 Vladislav Bolkhovitin
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* Copyright (C) 2007 CMS Distribution Limited
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2
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* of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ISCSI_U_H
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#define _ISCSI_U_H
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#ifndef __KERNEL__
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#include <sys/uio.h>
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#endif
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#define ISCSI_VERSION_STRING "0.9.6/0.4.15r145"
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/* The maximum length of 223 bytes in the RFC. */
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#define ISCSI_NAME_LEN 256
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#define ISCSI_LISTEN_PORT 3260
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#define SCSI_ID_LEN 24
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#ifndef aligned_u64
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#define aligned_u64 unsigned long long __attribute__((aligned(8)))
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#endif
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struct target_info {
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u32 tid;
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char name[ISCSI_NAME_LEN];
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};
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struct session_info {
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u32 tid;
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aligned_u64 sid;
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char initiator_name[ISCSI_NAME_LEN];
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char user_name[ISCSI_NAME_LEN];
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u32 exp_cmd_sn;
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};
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#define DIGEST_ALL (DIGEST_NONE | DIGEST_CRC32C)
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#define DIGEST_NONE (1 << 0)
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#define DIGEST_CRC32C (1 << 1)
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struct conn_info {
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u32 tid;
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aligned_u64 sid;
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u32 cid;
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u32 stat_sn;
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u32 exp_stat_sn;
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int header_digest;
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int data_digest;
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int fd;
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};
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enum {
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key_initial_r2t,
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key_immediate_data,
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key_max_connections,
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key_max_recv_data_length,
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key_max_xmit_data_length,
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key_max_burst_length,
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key_first_burst_length,
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key_default_wait_time,
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key_default_retain_time,
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key_max_outstanding_r2t,
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key_data_pdu_inorder,
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key_data_sequence_inorder,
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key_error_recovery_level,
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key_header_digest,
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key_data_digest,
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key_ofmarker,
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key_ifmarker,
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key_ofmarkint,
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key_ifmarkint,
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session_key_last,
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};
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enum {
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key_queued_cmnds,
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target_key_last,
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};
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enum {
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key_session,
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key_target,
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};
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struct iscsi_param_info {
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u32 tid;
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aligned_u64 sid;
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u32 param_type;
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u32 partial;
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u32 session_param[session_key_last];
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u32 target_param[target_key_last];
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};
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enum iscsi_event_state {
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E_CONN_CLOSE,
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};
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struct iscsi_event {
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u32 tid;
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aligned_u64 sid;
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u32 cid;
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u32 state;
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};
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#define DEFAULT_NR_QUEUED_CMNDS 32
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#define MIN_NR_QUEUED_CMNDS 1
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#define MAX_NR_QUEUED_CMNDS 256
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#define MAX_DATA_SEG_LEN (4096/sizeof(struct iovec)*4096)
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#define NETLINK_ISCSI_SCST 25
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#define ADD_TARGET _IOW('i', 0, struct target_info)
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#define DEL_TARGET _IOW('i', 1, struct target_info)
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#define ADD_SESSION _IOW('i', 2, struct session_info)
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#define DEL_SESSION _IOW('i', 3, struct session_info)
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#define GET_SESSION_INFO _IOWR('i', 4, struct session_info)
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#define ADD_CONN _IOW('i', 5, struct conn_info)
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#define DEL_CONN _IOW('i', 6, struct conn_info)
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#define GET_CONN_INFO _IOWR('i', 7, struct conn_info)
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#define ISCSI_PARAM_SET _IOW('i', 8, struct iscsi_param_info)
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#define ISCSI_PARAM_GET _IOWR('i', 9, struct iscsi_param_info)
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static inline int iscsi_is_key_declarative(int key)
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{
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switch(key)
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{
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case key_max_xmit_data_length:
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return 1;
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default:
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return 0;
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}
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}
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#endif
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