ctl_frontend_iscsi.h revision 268691
1255570Strasz/*- 2255570Strasz * Copyright (c) 2012 The FreeBSD Foundation 3255570Strasz * All rights reserved. 4255570Strasz * 5255570Strasz * This software was developed by Edward Tomasz Napierala under sponsorship 6255570Strasz * from the FreeBSD Foundation. 7255570Strasz * 8255570Strasz * Redistribution and use in source and binary forms, with or without 9255570Strasz * modification, are permitted provided that the following conditions 10255570Strasz * are met: 11255570Strasz * 1. Redistributions of source code must retain the above copyright 12255570Strasz * notice, this list of conditions and the following disclaimer. 13255570Strasz * 2. Redistributions in binary form must reproduce the above copyright 14255570Strasz * notice, this list of conditions and the following disclaimer in the 15255570Strasz * documentation and/or other materials provided with the distribution. 16255570Strasz * 17255570Strasz * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18255570Strasz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19255570Strasz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20255570Strasz * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21255570Strasz * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22255570Strasz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23255570Strasz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24255570Strasz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25255570Strasz * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26255570Strasz * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27255570Strasz * SUCH DAMAGE. 28255570Strasz * 29255570Strasz * $FreeBSD: stable/10/sys/cam/ctl/ctl_frontend_iscsi.h 268691 2014-07-15 17:13:49Z mav $ 30255570Strasz */ 31255570Strasz 32255570Strasz#ifndef CTL_FRONTEND_ISCSI_H 33255570Strasz#define CTL_FRONTEND_ISCSI_H 34255570Strasz 35268682Smav#define CFISCSI_TARGET_STATE_INVALID 0 36268682Smav#define CFISCSI_TARGET_STATE_ACTIVE 1 37268682Smav#define CFISCSI_TARGET_STATE_DYING 2 38268682Smav 39255570Straszstruct cfiscsi_target { 40255570Strasz TAILQ_ENTRY(cfiscsi_target) ct_next; 41268685Smav uint32_t ct_luns[CTL_MAX_LUNS]; 42255570Strasz struct cfiscsi_softc *ct_softc; 43255570Strasz volatile u_int ct_refcount; 44255570Strasz char ct_name[CTL_ISCSI_NAME_LEN]; 45255570Strasz char ct_alias[CTL_ISCSI_ALIAS_LEN]; 46268682Smav int ct_state; 47268682Smav int ct_online; 48268682Smav struct ctl_port ct_port; 49255570Strasz}; 50255570Strasz 51255570Straszstruct cfiscsi_data_wait { 52255570Strasz TAILQ_ENTRY(cfiscsi_data_wait) cdw_next; 53255570Strasz union ctl_io *cdw_ctl_io; 54255570Strasz uint32_t cdw_target_transfer_tag; 55255570Strasz uint32_t cdw_initiator_task_tag; 56255570Strasz int cdw_sg_index; 57255570Strasz char *cdw_sg_addr; 58255570Strasz size_t cdw_sg_len; 59255570Strasz}; 60255570Strasz 61255570Strasz#define CFISCSI_SESSION_STATE_INVALID 0 62255570Strasz#define CFISCSI_SESSION_STATE_BHS 1 63255570Strasz#define CFISCSI_SESSION_STATE_AHS 2 64255570Strasz#define CFISCSI_SESSION_STATE_HEADER_DIGEST 3 65255570Strasz#define CFISCSI_SESSION_STATE_DATA 4 66255570Strasz#define CFISCSI_SESSION_STATE_DATA_DIGEST 5 67255570Strasz 68255570Straszstruct cfiscsi_session { 69255570Strasz TAILQ_ENTRY(cfiscsi_session) cs_next; 70255570Strasz struct mtx cs_lock; 71255570Strasz struct icl_conn *cs_conn; 72255570Strasz uint32_t cs_cmdsn; 73255570Strasz uint32_t cs_statsn; 74255570Strasz uint32_t cs_target_transfer_tag; 75255570Strasz volatile u_int cs_outstanding_ctl_pdus; 76255570Strasz TAILQ_HEAD(, cfiscsi_data_wait) cs_waiting_for_data_out; 77255570Strasz struct cfiscsi_target *cs_target; 78255570Strasz struct callout cs_callout; 79255570Strasz int cs_timeout; 80255570Strasz int cs_portal_group_tag; 81255570Strasz struct cv cs_maintenance_cv; 82268258Smav bool cs_terminating; 83268691Smav bool cs_tasks_aborted; 84255570Strasz size_t cs_max_data_segment_length; 85255570Strasz size_t cs_max_burst_length; 86255570Strasz bool cs_immediate_data; 87255570Strasz char cs_initiator_name[CTL_ISCSI_NAME_LEN]; 88255570Strasz char cs_initiator_addr[CTL_ISCSI_ADDR_LEN]; 89255570Strasz char cs_initiator_alias[CTL_ISCSI_ALIAS_LEN]; 90268684Smav char cs_initiator_isid[6]; 91268684Smav char cs_initiator_id[CTL_ISCSI_NAME_LEN + 5 + 6 + 1]; 92255570Strasz unsigned int cs_id; 93255570Strasz int cs_ctl_initid; 94255570Strasz#ifdef ICL_KERNEL_PROXY 95265513Strasz struct sockaddr *cs_initiator_sa; 96265509Strasz int cs_portal_id; 97255570Strasz bool cs_login_phase; 98255570Strasz bool cs_waiting_for_ctld; 99255570Strasz struct cv cs_login_cv; 100255570Strasz struct icl_pdu *cs_login_pdu; 101255570Strasz#endif 102255570Strasz}; 103255570Strasz 104255570Strasz#ifdef ICL_KERNEL_PROXY 105255570Straszstruct icl_listen; 106255570Strasz#endif 107255570Strasz 108255570Straszstruct cfiscsi_softc { 109255570Strasz struct mtx lock; 110255570Strasz char port_name[32]; 111255570Strasz int online; 112255570Strasz unsigned int last_session_id; 113255570Strasz TAILQ_HEAD(, cfiscsi_target) targets; 114255570Strasz TAILQ_HEAD(, cfiscsi_session) sessions; 115255570Strasz char ctl_initids[CTL_MAX_INIT_PER_PORT]; 116255570Strasz int max_initiators; 117255570Strasz#ifdef ICL_KERNEL_PROXY 118255570Strasz struct icl_listen *listener; 119255570Strasz struct cv accept_cv; 120255570Strasz#endif 121255570Strasz}; 122255570Strasz 123255570Strasz#endif /* !CTL_FRONTEND_ISCSI_H */ 124