mirror of
https://github.com/SCST-project/scst.git
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bc7c69bfc4
- A lot of cleanups and minor fixes, mostly IET-derived git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@685 d57e44dd-8a1f-0410-8b47-8ef2f437770f
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
/*
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* Copyright (C) 2007 - 2008 Vladislav Bolkhovitin
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* Copyright (C) 2007 - 2008 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_SCST_U_H
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#define _ISCSI_SCST_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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#include "iscsi_scst_ver.h"
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#include "iscsi_scst_itf_ver.h"
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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 uint64_t __attribute__((aligned(8)))
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#endif
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struct iscsi_kern_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 iscsi_kern_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 iscsi_kern_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_kern_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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s32 session_param[session_key_last];
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s32 target_param[target_key_last];
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};
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enum iscsi_kern_event_state {
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E_CONN_CLOSE,
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};
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struct iscsi_kern_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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struct iscsi_kern_register_info {
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aligned_u64 version;
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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 NETLINK_ISCSI_SCST 25
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/* On success returns MAX_DATA_SEG_LEN */
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#define REGISTER_USERD _IOW('s', 0, struct iscsi_kern_register_info)
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#define ADD_TARGET _IOW('s', 1, struct iscsi_kern_target_info)
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#define DEL_TARGET _IOW('s', 2, struct iscsi_kern_target_info)
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#define ADD_SESSION _IOW('s', 3, struct iscsi_kern_session_info)
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#define DEL_SESSION _IOW('s', 4, struct iscsi_kern_session_info)
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#define ADD_CONN _IOW('s', 5, struct iscsi_kern_conn_info)
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#define DEL_CONN _IOW('s', 6, struct iscsi_kern_conn_info)
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#define ISCSI_PARAM_SET _IOW('s', 7, struct iscsi_kern_param_info)
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#define ISCSI_PARAM_GET _IOWR('s', 8, struct iscsi_kern_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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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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