Release 4.7 include/scsi/iscsi_if.h
/*
* iSCSI User/Kernel Shares (Defines, Constants, Protocol definitions, etc)
*
* Copyright (C) 2005 Dmitry Yusupov
* Copyright (C) 2005 Alex Aizman
* maintained by open-iscsi@googlegroups.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* See the file COPYING included with this distribution for more details.
*/
#ifndef ISCSI_IF_H
#define ISCSI_IF_H
#include <scsi/iscsi_proto.h>
#include <linux/in.h>
#include <linux/in6.h>
#define ISCSI_NL_GRP_ISCSID 1
#define ISCSI_NL_GRP_UIP 2
#define UEVENT_BASE 10
#define KEVENT_BASE 100
#define ISCSI_ERR_BASE 1000
enum iscsi_uevent_e {
ISCSI_UEVENT_UNKNOWN = 0,
/* down events */
ISCSI_UEVENT_CREATE_SESSION = UEVENT_BASE + 1,
ISCSI_UEVENT_DESTROY_SESSION = UEVENT_BASE + 2,
ISCSI_UEVENT_CREATE_CONN = UEVENT_BASE + 3,
ISCSI_UEVENT_DESTROY_CONN = UEVENT_BASE + 4,
ISCSI_UEVENT_BIND_CONN = UEVENT_BASE + 5,
ISCSI_UEVENT_SET_PARAM = UEVENT_BASE + 6,
ISCSI_UEVENT_START_CONN = UEVENT_BASE + 7,
ISCSI_UEVENT_STOP_CONN = UEVENT_BASE + 8,
ISCSI_UEVENT_SEND_PDU = UEVENT_BASE + 9,
ISCSI_UEVENT_GET_STATS = UEVENT_BASE + 10,
ISCSI_UEVENT_GET_PARAM = UEVENT_BASE + 11,
ISCSI_UEVENT_TRANSPORT_EP_CONNECT = UEVENT_BASE + 12,
ISCSI_UEVENT_TRANSPORT_EP_POLL = UEVENT_BASE + 13,
ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT = UEVENT_BASE + 14,
ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15,
ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16,
ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17,
ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21,
ISCSI_UEVENT_PING = UEVENT_BASE + 22,
ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23,
ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24,
ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25,
ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26,
ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27,
ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29,
ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30,
ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31,
ISCSI_UEVENT_GET_HOST_STATS = UEVENT_BASE + 32,
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2,
ISCSI_KEVENT_IF_ERROR = KEVENT_BASE + 3,
ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9,
ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10,
ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11,
};
enum iscsi_tgt_dscvr {
ISCSI_TGT_DSCVR_SEND_TARGETS = 1,
ISCSI_TGT_DSCVR_ISNS = 2,
ISCSI_TGT_DSCVR_SLP = 3,
};
enum iscsi_host_event_code {
ISCSI_EVENT_LINKUP = 1,
ISCSI_EVENT_LINKDOWN,
/* must always be last */
ISCSI_EVENT_MAX,
};
struct iscsi_uevent {
uint32_t type; /* k/u events type */
uint32_t iferror; /* carries interface or resource errors */
uint64_t transport_handle;
union {
/* messages u -> k */
struct msg_create_session {
uint32_t initial_cmdsn;
uint16_t cmds_max;
uint16_t queue_depth;
}
c_session;
struct msg_create_bound_session {
uint64_t ep_handle;
uint32_t initial_cmdsn;
uint16_t cmds_max;
uint16_t queue_depth;
}
c_bound_session;
struct msg_destroy_session {
uint32_t sid;
}
d_session;
struct msg_create_conn {
uint32_t sid;
uint32_t cid;
}
c_conn;
struct msg_bind_conn {
uint32_t sid;
uint32_t cid;
uint64_t transport_eph;
uint32_t is_leading;
}
b_conn;
struct msg_destroy_conn {
uint32_t sid;
uint32_t cid;
}
d_conn;
struct msg_send_pdu {
uint32_t sid;
uint32_t cid;
uint32_t hdr_size;
uint32_t data_size;
}
send_pdu;
struct msg_set_param {
uint32_t sid;
uint32_t cid;
uint32_t param; /* enum iscsi_param */
uint32_t len;
}
set_param;
struct msg_start_conn {
uint32_t sid;
uint32_t cid;
}
start_conn;
struct msg_stop_conn {
uint32_t sid;
uint32_t cid;
uint64_t conn_handle;
uint32_t flag;
}
stop_conn;
struct msg_get_stats {
uint32_t sid;
uint32_t cid;
}
get_stats;
struct msg_transport_connect {
uint32_t non_blocking;
}
ep_connect;
struct msg_transport_connect_through_host {
uint32_t host_no;
uint32_t non_blocking;
}
ep_connect_through_host;
struct msg_transport_poll {
uint64_t ep_handle;
uint32_t timeout_ms;
}
ep_poll;
struct msg_transport_disconnect {
uint64_t ep_handle;
}
ep_disconnect;
struct msg_tgt_dscvr {
enum iscsi_tgt_dscvr type;
uint32_t host_no;
/*
* enable = 1 to establish a new connection
* with the server. enable = 0 to disconnect
* from the server. Used primarily to switch
* from one iSNS server to another.
*/
uint32_t enable;
}
tgt_dscvr;
struct msg_set_host_param {
uint32_t host_no;
uint32_t param; /* enum iscsi_host_param */
uint32_t len;
}
set_host_param;
struct msg_set_path {
uint32_t host_no;
}
set_path;
struct msg_set_iface_params {
uint32_t host_no;
uint32_t count;
}
set_iface_params;
struct msg_iscsi_ping {
uint32_t host_no;
uint32_t iface_num;
uint32_t iface_type;
uint32_t payload_size;
uint32_t pid; /* unique ping id associated
with each ping request */
}
iscsi_ping;
struct msg_get_chap {
uint32_t host_no;
uint32_t num_entries; /* number of CHAP entries
* on request, number of
* valid CHAP entries on
* response */
uint16_t chap_tbl_idx;
}
get_chap;
struct msg_delete_chap {
uint32_t host_no;
uint16_t chap_tbl_idx;
}
delete_chap;
struct msg_set_flashnode_param {
uint32_t host_no;
uint32_t flashnode_idx;
uint32_t count;
}
set_flashnode;
struct msg_new_flashnode {
uint32_t host_no;
uint32_t len;
}
new_flashnode;
struct msg_del_flashnode {
uint32_t host_no;
uint32_t flashnode_idx;
}
del_flashnode;
struct msg_login_flashnode {
uint32_t host_no;
uint32_t flashnode_idx;
}
login_flashnode;
struct msg_logout_flashnode {
uint32_t host_no;
uint32_t flashnode_idx;
}
logout_flashnode;
struct msg_logout_flashnode_sid {
uint32_t host_no;
uint32_t sid;
}
logout_flashnode_sid;
struct msg_get_host_stats {
uint32_t host_no;
}
get_host_stats;
}
u;
union {
/* messages k -> u */
int retcode;
struct msg_create_session_ret {
uint32_t sid;
uint32_t host_no;
}
c_session_ret;
struct msg_create_conn_ret {
uint32_t sid;
uint32_t cid;
}
c_conn_ret;
struct msg_unbind_session {
uint32_t sid;
uint32_t host_no;
}
unbind_session;
struct msg_recv_req {
uint32_t sid;
uint32_t cid;
uint64_t recv_handle;
}
recv_req;
struct msg_conn_login {
uint32_t sid;
uint32_t cid;
uint32_t state; /* enum iscsi_conn_state */
}
conn_login;
struct msg_conn_error {
uint32_t sid;
uint32_t cid;
uint32_t error; /* enum iscsi_err */
}
connerror;
struct msg_session_destroyed {
uint32_t host_no;
uint32_t sid;
}
d_session;
struct msg_transport_connect_ret {
uint64_t handle;
}
ep_connect_ret;
struct msg_req_path {
uint32_t host_no;
}
req_path;
struct msg_notify_if_down {
uint32_t host_no;
}
notify_if_down;
struct msg_host_event {
uint32_t host_no;
uint32_t data_size;
enum iscsi_host_event_code code;
}
host_event;
struct msg_ping_comp {
uint32_t host_no;
uint32_t status; /* enum
* iscsi_ping_status_code */
uint32_t pid; /* unique ping id associated
with each ping request */
uint32_t data_size;
}
ping_comp;
struct msg_new_flashnode_ret {
uint32_t flashnode_idx;
}
new_flashnode_ret;
}
r;
} __attribute__ ((aligned (sizeof(uint64_t))));
enum iscsi_param_type {
ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
ISCSI_HOST_PARAM, /* iscsi_host_param */
ISCSI_NET_PARAM, /* iscsi_net_param */
ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */
ISCSI_CHAP_PARAM, /* iscsi_chap_param */
ISCSI_IFACE_PARAM, /* iscsi_iface_param */
};
/* structure for minimalist usecase */
struct iscsi_param_info {
uint32_t len; /* Actual length of the param value */
uint16_t param; /* iscsi param */
uint8_t value[0]; /* length sized value follows */
}
__packed;
struct iscsi_iface_param_info {
uint32_t iface_num; /* iface number, 0 - n */
uint32_t len; /* Actual length of the param */
uint16_t param; /* iscsi param value */
uint8_t iface_type; /* IPv4 or IPv6 */
uint8_t param_type; /* iscsi_param_type */
uint8_t value[0]; /* length sized value follows */
}
__packed;
/*
* To keep the struct iscsi_uevent size the same for userspace code
* compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
* ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
* struct iscsi_uevent in the NETLINK_ISCSI message.
*/
struct iscsi_path {
uint64_t handle;
uint8_t mac_addr[6];
uint8_t mac_addr_old[6];
uint32_t ip_addr_len; /* 4 or 16 */
union {
struct in_addr v4_addr;
struct in6_addr v6_addr;
}
src;
union {
struct in_addr v4_addr;
struct in6_addr v6_addr;
}
dst;
uint16_t vlan_id;
uint16_t pmtu;
} __attribute__ ((aligned (sizeof(uint64_t))));
/* iscsi iface enabled/disabled setting */
#define ISCSI_IFACE_DISABLE 0x01
#define ISCSI_IFACE_ENABLE 0x02
/* ipv4 bootproto */
#define ISCSI_BOOTPROTO_STATIC 0x01
#define ISCSI_BOOTPROTO_DHCP 0x02
/* ipv6 addr autoconfig type */
#define ISCSI_IPV6_AUTOCFG_DISABLE 0x01
#define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02
#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03
/* ipv6 link local addr type */
#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01
#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02
/* ipv6 router addr type */
#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01
#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02
#define ISCSI_IFACE_TYPE_IPV4 0x01
#define ISCSI_IFACE_TYPE_IPV6 0x02
#define ISCSI_MAX_VLAN_ID 4095
#define ISCSI_MAX_VLAN_PRIORITY 7
/* iscsi vlan enable/disabled setting */
#define ISCSI_VLAN_DISABLE 0x01
#define ISCSI_VLAN_ENABLE 0x02
/* iscsi generic enable/disabled setting for various features */
#define ISCSI_NET_PARAM_DISABLE 0x01
#define ISCSI_NET_PARAM_ENABLE 0x02
/* iSCSI network params */
enum iscsi_net_param {
ISCSI_NET_PARAM_IPV4_ADDR = 1,
ISCSI_NET_PARAM_IPV4_SUBNET,
ISCSI_NET_PARAM_IPV4_GW,
ISCSI_NET_PARAM_IPV4_BOOTPROTO,
ISCSI_NET_PARAM_MAC,
ISCSI_NET_PARAM_IPV6_LINKLOCAL,
ISCSI_NET_PARAM_IPV6_ADDR,
ISCSI_NET_PARAM_IPV6_ROUTER,
ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG,
ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG,
ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG,
ISCSI_NET_PARAM_IFACE_ENABLE,
ISCSI_NET_PARAM_VLAN_ID,
ISCSI_NET_PARAM_VLAN_PRIORITY,
ISCSI_NET_PARAM_VLAN_ENABLED,
ISCSI_NET_PARAM_VLAN_TAG,
ISCSI_NET_PARAM_IFACE_TYPE,
ISCSI_NET_PARAM_IFACE_NAME,
ISCSI_NET_PARAM_MTU,
ISCSI_NET_PARAM_PORT,
ISCSI_NET_PARAM_IPADDR_STATE,
ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE,
ISCSI_NET_PARAM_IPV6_ROUTER_STATE,
ISCSI_NET_PARAM_DELAYED_ACK_EN,
ISCSI_NET_PARAM_TCP_NAGLE_DISABLE,
ISCSI_NET_PARAM_TCP_WSF_DISABLE,
ISCSI_NET_PARAM_TCP_WSF,
ISCSI_NET_PARAM_TCP_TIMER_SCALE,
ISCSI_NET_PARAM_TCP_TIMESTAMP_EN,
ISCSI_NET_PARAM_CACHE_ID,
ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN,
ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN,
ISCSI_NET_PARAM_IPV4_TOS_EN,
ISCSI_NET_PARAM_IPV4_TOS,
ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN,
ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN,
ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID,
ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN,
ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN,
ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID,
ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN,
ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE,
ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN,
ISCSI_NET_PARAM_IPV4_TTL,
ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN,
ISCSI_NET_PARAM_IPV6_MLD_EN,
ISCSI_NET_PARAM_IPV6_FLOW_LABEL,
ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS,
ISCSI_NET_PARAM_IPV6_HOP_LIMIT,
ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO,
ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME,
ISCSI_NET_PARAM_IPV6_ND_STALE_TMO,
ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT,
ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU,
ISCSI_NET_PARAM_REDIRECT_EN,
};
enum iscsi_ipaddress_state {
ISCSI_IPDDRESS_STATE_UNCONFIGURED,
ISCSI_IPDDRESS_STATE_ACQUIRING,
ISCSI_IPDDRESS_STATE_TENTATIVE,
ISCSI_IPDDRESS_STATE_VALID,
ISCSI_IPDDRESS_STATE_DISABLING,
ISCSI_IPDDRESS_STATE_INVALID,
ISCSI_IPDDRESS_STATE_DEPRECATED,
};
enum iscsi_router_state {
ISCSI_ROUTER_STATE_UNKNOWN,
ISCSI_ROUTER_STATE_ADVERTISED,
ISCSI_ROUTER_STATE_MANUAL,
ISCSI_ROUTER_STATE_STALE,
};
/* iSCSI specific settings params for iface */
enum iscsi_iface_param {
ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO,
ISCSI_IFACE_PARAM_HDRDGST_EN,
ISCSI_IFACE_PARAM_DATADGST_EN,
ISCSI_IFACE_PARAM_IMM_DATA_EN,
ISCSI_IFACE_PARAM_INITIAL_R2T_EN,
ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN,
ISCSI_IFACE_PARAM_PDU_INORDER_EN,
ISCSI_IFACE_PARAM_ERL,
ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH,
ISCSI_IFACE_PARAM_FIRST_BURST,
ISCSI_IFACE_PARAM_MAX_R2T,
ISCSI_IFACE_PARAM_MAX_BURST,
ISCSI_IFACE_PARAM_CHAP_AUTH_EN,
ISCSI_IFACE_PARAM_BIDI_CHAP_EN,
ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL,
ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN,
ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN,
ISCSI_IFACE_PARAM_INITIATOR_NAME,
};
enum iscsi_conn_state {
ISCSI_CONN_STATE_FREE,
ISCSI_CONN_STATE_XPT_WAIT,
ISCSI_CONN_STATE_IN_LOGIN,
ISCSI_CONN_STATE_LOGGED_IN,
ISCSI_CONN_STATE_IN_LOGOUT,
ISCSI_CONN_STATE_LOGOUT_REQUESTED,
ISCSI_CONN_STATE_CLEANUP_WAIT,
};
/*
* Common error codes
*/
enum iscsi_err {
ISCSI_OK = 0,
ISCSI_ERR_DATASN = ISCSI_ERR_BASE + 1,
ISCSI_ERR_DATA_OFFSET = ISCSI_ERR_BASE + 2,
ISCSI_ERR_MAX_CMDSN = ISCSI_ERR_BASE + 3,
ISCSI_ERR_EXP_CMDSN = ISCSI_ERR_BASE + 4,
ISCSI_ERR_BAD_OPCODE = ISCSI_ERR_BASE + 5,
ISCSI_ERR_DATALEN = ISCSI_ERR_BASE + 6,
ISCSI_ERR_AHSLEN = ISCSI_ERR_BASE + 7,
ISCSI_ERR_PROTO = ISCSI_ERR_BASE + 8,
ISCSI_ERR_LUN = ISCSI_ERR_BASE + 9,
ISCSI_ERR_BAD_ITT = ISCSI_ERR_BASE + 10,
ISCSI_ERR_CONN_FAILED = ISCSI_ERR_BASE + 11,
ISCSI_ERR_R2TSN = ISCSI_ERR_BASE + 12,
ISCSI_ERR_SESSION_FAILED = ISCSI_ERR_BASE + 13,
ISCSI_ERR_HDR_DGST = ISCSI_ERR_BASE + 14,
ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15,
ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16,
ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17,
ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18,
ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19,
ISCSI_ERR_TCP_CONN_CLOSE = ISCSI_ERR_BASE + 20,
ISCSI_ERR_SCSI_EH_SESSION_RST = ISCSI_ERR_BASE + 21,
ISCSI_ERR_NOP_TIMEDOUT = ISCSI_ERR_BASE + 22,
};
/*
* iSCSI Parameters (RFC3720)
*/
enum iscsi_param {
/* passed in using netlink set param */
ISCSI_PARAM_MAX_RECV_DLENGTH,
ISCSI_PARAM_MAX_XMIT_DLENGTH,
ISCSI_PARAM_HDRDGST_EN,
ISCSI_PARAM_DATADGST_EN,
ISCSI_PARAM_INITIAL_R2T_EN,
ISCSI_PARAM_MAX_R2T,
ISCSI_PARAM_IMM_DATA_EN,
ISCSI_PARAM_FIRST_BURST,
ISCSI_PARAM_MAX_BURST,
ISCSI_PARAM_PDU_INORDER_EN,
ISCSI_PARAM_DATASEQ_INORDER_EN,
ISCSI_PARAM_ERL,
ISCSI_PARAM_IFMARKER_EN,
ISCSI_PARAM_OFMARKER_EN,
ISCSI_PARAM_EXP_STATSN,
ISCSI_PARAM_TARGET_NAME,
ISCSI_PARAM_TPGT,
ISCSI_PARAM_PERSISTENT_ADDRESS,
ISCSI_PARAM_PERSISTENT_PORT,
ISCSI_PARAM_SESS_RECOVERY_TMO,
/* passed in through bind conn using transport_fd */
ISCSI_PARAM_CONN_PORT,
ISCSI_PARAM_CONN_ADDRESS,
ISCSI_PARAM_USERNAME,
ISCSI_PARAM_USERNAME_IN,
ISCSI_PARAM_PASSWORD,
ISCSI_PARAM_PASSWORD_IN,
ISCSI_PARAM_FAST_ABORT,
ISCSI_PARAM_ABORT_TMO,
ISCSI_PARAM_LU_RESET_TMO,
ISCSI_PARAM_HOST_RESET_TMO,
ISCSI_PARAM_PING_TMO,
ISCSI_PARAM_RECV_TMO,
ISCSI_PARAM_IFACE_NAME,
ISCSI_PARAM_ISID,
ISCSI_PARAM_INITIATOR_NAME,
ISCSI_PARAM_TGT_RESET_TMO,
ISCSI_PARAM_TARGET_ALIAS,
ISCSI_PARAM_CHAP_IN_IDX,
ISCSI_PARAM_CHAP_OUT_IDX,
ISCSI_PARAM_BOOT_ROOT,
ISCSI_PARAM_BOOT_NIC,
ISCSI_PARAM_BOOT_TARGET,
ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
ISCSI_PARAM_DISCOVERY_SESS,
ISCSI_PARAM_PORTAL_TYPE,
ISCSI_PARAM_CHAP_AUTH_EN,
ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
ISCSI_PARAM_BIDI_CHAP_EN,
ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
ISCSI_PARAM_DEF_TIME2WAIT,
ISCSI_PARAM_DEF_TIME2RETAIN,
ISCSI_PARAM_MAX_SEGMENT_SIZE,
ISCSI_PARAM_STATSN,
ISCSI_PARAM_KEEPALIVE_TMO,
ISCSI_PARAM_LOCAL_PORT,
ISCSI_PARAM_TSID,
ISCSI_PARAM_DEF_TASKMGMT_TMO,
ISCSI_PARAM_TCP_TIMESTAMP_STAT,
ISCSI_PARAM_TCP_WSF_DISABLE,
ISCSI_PARAM_TCP_NAGLE_DISABLE,
ISCSI_PARAM_TCP_TIMER_SCALE,
ISCSI_PARAM_TCP_TIMESTAMP_EN,
ISCSI_PARAM_TCP_XMIT_WSF,
ISCSI_PARAM_TCP_RECV_WSF,
ISCSI_PARAM_IP_FRAGMENT_DISABLE,
ISCSI_PARAM_IPV4_TOS,
ISCSI_PARAM_IPV6_TC,
ISCSI_PARAM_IPV6_FLOW_LABEL,
ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
ISCSI_PARAM_DISCOVERY_PARENT_IDX,
ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
ISCSI_PARAM_LOCAL_IPADDR,
/* must always be last */
ISCSI_PARAM_MAX,
};
/* iSCSI HBA params */
enum iscsi_host_param {
ISCSI_HOST_PARAM_HWADDRESS,
ISCSI_HOST_PARAM_INITIATOR_NAME,
ISCSI_HOST_PARAM_NETDEV_NAME,
ISCSI_HOST_PARAM_IPADDRESS,
ISCSI_HOST_PARAM_PORT_STATE,
ISCSI_HOST_PARAM_PORT_SPEED,
ISCSI_HOST_PARAM_MAX,
};
/* portal type */
#define PORTAL_TYPE_IPV4 "ipv4"
#define PORTAL_TYPE_IPV6 "ipv6"
/* iSCSI Flash Target params */
enum iscsi_flashnode_param {
ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
ISCSI_FLASHNODE_PORTAL_TYPE,
ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
ISCSI_FLASHNODE_DISCOVERY_SESS,
ISCSI_FLASHNODE_ENTRY_EN,
ISCSI_FLASHNODE_HDR_DGST_EN,
ISCSI_FLASHNODE_DATA_DGST_EN,
ISCSI_FLASHNODE_IMM_DATA_EN,
ISCSI_FLASHNODE_INITIAL_R2T_EN,
ISCSI_FLASHNODE_DATASEQ_INORDER,
ISCSI_FLASHNODE_PDU_INORDER,
ISCSI_FLASHNODE_CHAP_AUTH_EN,
ISCSI_FLASHNODE_SNACK_REQ_EN,
ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
ISCSI_FLASHNODE_BIDI_CHAP_EN,
/* make authentication for discovery sessions optional */
ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
ISCSI_FLASHNODE_ERL,
ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
ISCSI_FLASHNODE_TCP_WSF_DISABLE,
ISCSI_FLASHNODE_TCP_TIMER_SCALE,
ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
ISCSI_FLASHNODE_IP_FRAG_DISABLE,
ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
ISCSI_FLASHNODE_FIRST_BURST,
ISCSI_FLASHNODE_DEF_TIME2WAIT,
ISCSI_FLASHNODE_DEF_TIME2RETAIN,
ISCSI_FLASHNODE_MAX_R2T,
ISCSI_FLASHNODE_KEEPALIVE_TMO,
ISCSI_FLASHNODE_ISID,
ISCSI_FLASHNODE_TSID,
ISCSI_FLASHNODE_PORT,
ISCSI_FLASHNODE_MAX_BURST,
ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
ISCSI_FLASHNODE_IPADDR,
ISCSI_FLASHNODE_ALIAS,
ISCSI_FLASHNODE_REDIRECT_IPADDR,
ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
ISCSI_FLASHNODE_LOCAL_PORT,
ISCSI_FLASHNODE_IPV4_TOS,
ISCSI_FLASHNODE_IPV6_TC,
ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
ISCSI_FLASHNODE_NAME,
ISCSI_FLASHNODE_TPGT,
ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
ISCSI_FLASHNODE_TCP_XMIT_WSF,
ISCSI_FLASHNODE_TCP_RECV_WSF,
ISCSI_FLASHNODE_CHAP_IN_IDX,
ISCSI_FLASHNODE_CHAP_OUT_IDX,
ISCSI_FLASHNODE_USERNAME,
ISCSI_FLASHNODE_USERNAME_IN,
ISCSI_FLASHNODE_PASSWORD,
ISCSI_FLASHNODE_PASSWORD_IN,
ISCSI_FLASHNODE_STATSN,
ISCSI_FLASHNODE_EXP_STATSN,
ISCSI_FLASHNODE_IS_BOOT_TGT,
ISCSI_FLASHNODE_MAX,
};
struct iscsi_flashnode_param_info {
uint32_t len; /* Actual length of the param */
uint16_t param; /* iscsi param value */
uint8_t value[0]; /* length sized value follows */
}
__packed;
enum iscsi_discovery_parent_type {
ISCSI_DISC_PARENT_UNKNOWN = 0x1,
ISCSI_DISC_PARENT_SENDTGT = 0x2,
ISCSI_DISC_PARENT_ISNS = 0x3,
};
/* iSCSI port Speed */
enum iscsi_port_speed {
ISCSI_PORT_SPEED_UNKNOWN = 0x1,
ISCSI_PORT_SPEED_10MBPS = 0x2,
ISCSI_PORT_SPEED_100MBPS = 0x4,
ISCSI_PORT_SPEED_1GBPS = 0x8,
ISCSI_PORT_SPEED_10GBPS = 0x10,
ISCSI_PORT_SPEED_25GBPS = 0x20,
ISCSI_PORT_SPEED_40GBPS = 0x40,
};
/* iSCSI port state */
enum iscsi_port_state {
ISCSI_PORT_STATE_DOWN = 0x1,
ISCSI_PORT_STATE_UP = 0x2,
};
/* iSCSI PING status/error code */
enum iscsi_ping_status_code {
ISCSI_PING_SUCCESS = 0,
ISCSI_PING_FW_DISABLED = 0x1,
ISCSI_PING_IPADDR_INVALID = 0x2,
ISCSI_PING_LINKLOCAL_IPV6_ADDR_INVALID = 0x3,
ISCSI_PING_TIMEOUT = 0x4,
ISCSI_PING_INVALID_DEST_ADDR = 0x5,
ISCSI_PING_OVERSIZE_PACKET = 0x6,
ISCSI_PING_ICMP_ERROR = 0x7,
ISCSI_PING_MAX_REQ_EXCEEDED = 0x8,
ISCSI_PING_NO_ARP_RECEIVED = 0x9,
};
#define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
#define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
/*
* These flags presents iSCSI Data-Path capabilities.
*/
#define CAP_RECOVERY_L0 0x1
#define CAP_RECOVERY_L1 0x2
#define CAP_RECOVERY_L2 0x4
#define CAP_MULTI_R2T 0x8
#define CAP_HDRDGST 0x10
#define CAP_DATADGST 0x20
#define CAP_MULTI_CONN 0x40
#define CAP_TEXT_NEGO 0x80
#define CAP_MARKERS 0x100
#define CAP_FW_DB 0x200
#define CAP_SENDTARGETS_OFFLOAD 0x400
/* offload discovery process */
#define CAP_DATA_PATH_OFFLOAD 0x800
/* offload entire IO path */
#define CAP_DIGEST_OFFLOAD 0x1000
/* offload hdr and data digests */
#define CAP_PADDING_OFFLOAD 0x2000
/* offload padding insertion, removal,
and verification */
#define CAP_LOGIN_OFFLOAD 0x4000
/* offload session login */
/*
* These flags describes reason of stop_conn() call
*/
#define STOP_CONN_TERM 0x1
#define STOP_CONN_SUSPEND 0x2
#define STOP_CONN_RECOVER 0x3
#define ISCSI_STATS_CUSTOM_MAX 32
#define ISCSI_STATS_CUSTOM_DESC_MAX 64
struct iscsi_stats_custom {
char desc[ISCSI_STATS_CUSTOM_DESC_MAX];
uint64_t value;
};
/*
* struct iscsi_stats - iSCSI Statistics (iSCSI MIB)
*
* Note: this structure contains counters collected on per-connection basis.
*/
struct iscsi_stats {
/* octets */
uint64_t txdata_octets;
uint64_t rxdata_octets;
/* xmit pdus */
uint32_t noptx_pdus;
uint32_t scsicmd_pdus;
uint32_t tmfcmd_pdus;
uint32_t login_pdus;
uint32_t text_pdus;
uint32_t dataout_pdus;
uint32_t logout_pdus;
uint32_t snack_pdus;
/* recv pdus */
uint32_t noprx_pdus;
uint32_t scsirsp_pdus;
uint32_t tmfrsp_pdus;
uint32_t textrsp_pdus;
uint32_t datain_pdus;
uint32_t logoutrsp_pdus;
uint32_t r2t_pdus;
uint32_t async_pdus;
uint32_t rjt_pdus;
/* errors */
uint32_t digest_err;
uint32_t timeout_err;
/*
* iSCSI Custom Statistics support, i.e. Transport could
* extend existing MIB statistics with its own specific statistics
* up to ISCSI_STATS_CUSTOM_MAX
*/
uint32_t custom_length;
struct iscsi_stats_custom custom[0]
__attribute__ ((aligned (sizeof(uint64_t))));
};
enum chap_type_e {
CHAP_TYPE_OUT,
CHAP_TYPE_IN,
};
enum iscsi_chap_param {
ISCSI_CHAP_PARAM_INDEX,
ISCSI_CHAP_PARAM_CHAP_TYPE,
ISCSI_CHAP_PARAM_USERNAME,
ISCSI_CHAP_PARAM_PASSWORD,
ISCSI_CHAP_PARAM_PASSWORD_LEN
};
#define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
#define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
struct iscsi_chap_rec {
uint16_t chap_tbl_idx;
enum chap_type_e chap_type;
char username[ISCSI_CHAP_AUTH_NAME_MAX_LEN];
uint8_t password[ISCSI_CHAP_AUTH_SECRET_MAX_LEN];
uint8_t password_length;
};
#define ISCSI_HOST_STATS_CUSTOM_MAX 32
#define ISCSI_HOST_STATS_CUSTOM_DESC_MAX 64
struct iscsi_host_stats_custom {
char desc[ISCSI_HOST_STATS_CUSTOM_DESC_MAX];
uint64_t value;
};
/* struct iscsi_offload_host_stats: Host statistics,
* Include statistics for MAC, IP, TCP & iSCSI.
*/
struct iscsi_offload_host_stats {
/* MAC */
uint64_t mactx_frames;
uint64_t mactx_bytes;
uint64_t mactx_multicast_frames;
uint64_t mactx_broadcast_frames;
uint64_t mactx_pause_frames;
uint64_t mactx_control_frames;
uint64_t mactx_deferral;
uint64_t mactx_excess_deferral;
uint64_t mactx_late_collision;
uint64_t mactx_abort;
uint64_t mactx_single_collision;
uint64_t mactx_multiple_collision;
uint64_t mactx_collision;
uint64_t mactx_frames_dropped;
uint64_t mactx_jumbo_frames;
uint64_t macrx_frames;
uint64_t macrx_bytes;
uint64_t macrx_unknown_control_frames;
uint64_t macrx_pause_frames;
uint64_t macrx_control_frames;
uint64_t macrx_dribble;
uint64_t macrx_frame_length_error;
uint64_t macrx_jabber;
uint64_t macrx_carrier_sense_error;
uint64_t macrx_frame_discarded;
uint64_t macrx_frames_dropped;
uint64_t mac_crc_error;
uint64_t mac_encoding_error;
uint64_t macrx_length_error_large;
uint64_t macrx_length_error_small;
uint64_t macrx_multicast_frames;
uint64_t macrx_broadcast_frames;
/* IP */
uint64_t iptx_packets;
uint64_t iptx_bytes;
uint64_t iptx_fragments;
uint64_t iprx_packets;
uint64_t iprx_bytes;
uint64_t iprx_fragments;
uint64_t ip_datagram_reassembly;
uint64_t ip_invalid_address_error;
uint64_t ip_error_packets;
uint64_t ip_fragrx_overlap;
uint64_t ip_fragrx_outoforder;
uint64_t ip_datagram_reassembly_timeout;
uint64_t ipv6tx_packets;
uint64_t ipv6tx_bytes;
uint64_t ipv6tx_fragments;
uint64_t ipv6rx_packets;
uint64_t ipv6rx_bytes;
uint64_t ipv6rx_fragments;
uint64_t ipv6_datagram_reassembly;
uint64_t ipv6_invalid_address_error;
uint64_t ipv6_error_packets;
uint64_t ipv6_fragrx_overlap;
uint64_t ipv6_fragrx_outoforder;
uint64_t ipv6_datagram_reassembly_timeout;
/* TCP */
uint64_t tcptx_segments;
uint64_t tcptx_bytes;
uint64_t tcprx_segments;
uint64_t tcprx_byte;
uint64_t tcp_duplicate_ack_retx;
uint64_t tcp_retx_timer_expired;
uint64_t tcprx_duplicate_ack;
uint64_t tcprx_pure_ackr;
uint64_t tcptx_delayed_ack;
uint64_t tcptx_pure_ack;
uint64_t tcprx_segment_error;
uint64_t tcprx_segment_outoforder;
uint64_t tcprx_window_probe;
uint64_t tcprx_window_update;
uint64_t tcptx_window_probe_persist;
/* ECC */
uint64_t ecc_error_correction;
/* iSCSI */
uint64_t iscsi_pdu_tx;
uint64_t iscsi_data_bytes_tx;
uint64_t iscsi_pdu_rx;
uint64_t iscsi_data_bytes_rx;
uint64_t iscsi_io_completed;
uint64_t iscsi_unexpected_io_rx;
uint64_t iscsi_format_error;
uint64_t iscsi_hdr_digest_error;
uint64_t iscsi_data_digest_error;
uint64_t iscsi_sequence_error;
/*
* iSCSI Custom Host Statistics support, i.e. Transport could
* extend existing host statistics with its own specific statistics
* up to ISCSI_HOST_STATS_CUSTOM_MAX
*/
uint32_t custom_length;
struct iscsi_host_stats_custom custom[0]
__aligned(sizeof(uint64_t));
};
#endif
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