127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/*-
|
|
* Copyright (c) 2012 The FreeBSD Foundation
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed by Edward Tomasz Napierala under sponsorship
|
|
* from the FreeBSD Foundation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef CTL_FRONTEND_ISCSI_H
|
|
#define CTL_FRONTEND_ISCSI_H
|
|
|
|
#define CFISCSI_TARGET_STATE_INVALID 0
|
|
#define CFISCSI_TARGET_STATE_ACTIVE 1
|
|
#define CFISCSI_TARGET_STATE_DYING 2
|
|
|
|
struct cfiscsi_target {
|
|
TAILQ_ENTRY(cfiscsi_target) ct_next;
|
|
struct cfiscsi_softc *ct_softc;
|
|
volatile u_int ct_refcount;
|
|
char ct_name[CTL_ISCSI_NAME_LEN];
|
|
char ct_alias[CTL_ISCSI_ALIAS_LEN];
|
|
uint16_t ct_tag;
|
|
int ct_state;
|
|
int ct_online;
|
|
int ct_target_id;
|
|
struct ctl_port ct_port;
|
|
};
|
|
|
|
struct cfiscsi_data_wait {
|
|
TAILQ_ENTRY(cfiscsi_data_wait) cdw_next;
|
|
union ctl_io *cdw_ctl_io;
|
|
uint32_t cdw_target_transfer_tag;
|
|
uint32_t cdw_initiator_task_tag;
|
|
int cdw_sg_index;
|
|
char *cdw_sg_addr;
|
|
size_t cdw_sg_len;
|
|
uint32_t cdw_r2t_end;
|
|
uint32_t cdw_datasn;
|
|
void *cdw_icl_prv;
|
|
};
|
|
|
|
#define CFISCSI_SESSION_STATE_INVALID 0
|
|
#define CFISCSI_SESSION_STATE_BHS 1
|
|
#define CFISCSI_SESSION_STATE_AHS 2
|
|
#define CFISCSI_SESSION_STATE_HEADER_DIGEST 3
|
|
#define CFISCSI_SESSION_STATE_DATA 4
|
|
#define CFISCSI_SESSION_STATE_DATA_DIGEST 5
|
|
|
|
struct cfiscsi_session {
|
|
TAILQ_ENTRY(cfiscsi_session) cs_next;
|
|
struct mtx cs_lock;
|
|
struct icl_conn *cs_conn;
|
|
uint32_t cs_cmdsn;
|
|
uint32_t cs_statsn;
|
|
uint32_t cs_target_transfer_tag;
|
|
volatile u_int cs_outstanding_ctl_pdus;
|
|
TAILQ_HEAD(, cfiscsi_data_wait) cs_waiting_for_data_out;
|
|
struct cfiscsi_target *cs_target;
|
|
struct callout cs_callout;
|
|
int cs_timeout;
|
|
struct cv cs_maintenance_cv;
|
|
bool cs_terminating;
|
|
bool cs_tasks_aborted;
|
|
size_t cs_max_data_segment_length;
|
|
size_t cs_max_burst_length;
|
|
bool cs_immediate_data;
|
|
char cs_initiator_name[CTL_ISCSI_NAME_LEN];
|
|
char cs_initiator_addr[CTL_ISCSI_ADDR_LEN];
|
|
char cs_initiator_alias[CTL_ISCSI_ALIAS_LEN];
|
|
char cs_initiator_isid[6];
|
|
char cs_initiator_id[CTL_ISCSI_NAME_LEN + 5 + 6 + 1];
|
|
unsigned int cs_id;
|
|
int cs_ctl_initid;
|
|
#ifdef ICL_KERNEL_PROXY
|
|
struct sockaddr *cs_initiator_sa;
|
|
int cs_portal_id;
|
|
bool cs_login_phase;
|
|
bool cs_waiting_for_ctld;
|
|
struct cv cs_login_cv;
|
|
struct icl_pdu *cs_login_pdu;
|
|
#endif
|
|
};
|
|
|
|
#ifdef ICL_KERNEL_PROXY
|
|
struct icl_listen;
|
|
#endif
|
|
|
|
struct cfiscsi_softc {
|
|
struct mtx lock;
|
|
char port_name[32];
|
|
int online;
|
|
int last_target_id;
|
|
unsigned int last_session_id;
|
|
TAILQ_HEAD(, cfiscsi_target) targets;
|
|
TAILQ_HEAD(, cfiscsi_session) sessions;
|
|
struct cv sessions_cv;
|
|
#ifdef ICL_KERNEL_PROXY
|
|
struct icl_listen *listener;
|
|
struct cv accept_cv;
|
|
#endif
|
|
};
|
|
|
|
#endif /* !CTL_FRONTEND_ISCSI_H */
|