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usr
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src
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linux-headers-6.8.0-83
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include
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scsi
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drwxr-xr-x
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iscsi_if.h
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * 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 */ #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, ISCSI_UEVENT_DESTROY_SESSION_ASYNC = UEVENT_BASE + 33, /* 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[]; /* 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[]; /* 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[]; /* 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[] __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[] __aligned(sizeof(uint64_t)); }; #endif
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