diff options
Diffstat (limited to 'include/scsi/iscsi_if.h')
| -rw-r--r-- | include/scsi/iscsi_if.h | 151 |
1 files changed, 119 insertions, 32 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index e5618b90996e..55ebf035e620 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -43,10 +43,23 @@ enum iscsi_uevent_e { 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, + /* 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, +}; + +enum iscsi_tgt_dscvr { + ISCSI_TGT_DSCVR_SEND_TARGETS = 1, + ISCSI_TGT_DSCVR_ISNS = 2, + ISCSI_TGT_DSCVR_SLP = 3, }; struct iscsi_uevent { @@ -60,61 +73,98 @@ struct iscsi_uevent { uint32_t initial_cmdsn; } c_session; struct msg_destroy_session { - uint64_t session_handle; uint32_t sid; } d_session; struct msg_create_conn { - uint64_t session_handle; - uint32_t cid; uint32_t sid; + uint32_t cid; } c_conn; struct msg_bind_conn { - uint64_t session_handle; - uint64_t conn_handle; - uint32_t transport_fd; + uint32_t sid; + uint32_t cid; + uint64_t transport_eph; uint32_t is_leading; } b_conn; struct msg_destroy_conn { - uint64_t conn_handle; + 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; - uint64_t conn_handle; } send_pdu; struct msg_set_param { - uint64_t conn_handle; + uint32_t sid; + uint32_t cid; uint32_t param; /* enum iscsi_param */ - uint32_t value; + uint32_t len; } set_param; struct msg_start_conn { - uint64_t conn_handle; + 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 { - uint64_t conn_handle; + uint32_t sid; + uint32_t cid; } get_stats; + struct msg_transport_connect { + uint32_t non_blocking; + } ep_connect; + 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; } u; union { /* messages k -> u */ - uint64_t handle; int retcode; struct msg_create_session_ret { - uint64_t session_handle; 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_recv_req { + uint32_t sid; + uint32_t cid; uint64_t recv_handle; - uint64_t conn_handle; } recv_req; struct msg_conn_error { - uint64_t conn_handle; + 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; } r; } __attribute__ ((aligned (sizeof(uint64_t)))); @@ -139,29 +189,66 @@ enum iscsi_err { 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_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16, + ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17, }; /* * iSCSI Parameters (RFC3720) */ enum iscsi_param { - ISCSI_PARAM_MAX_RECV_DLENGTH = 0, - ISCSI_PARAM_MAX_XMIT_DLENGTH = 1, - ISCSI_PARAM_HDRDGST_EN = 2, - ISCSI_PARAM_DATADGST_EN = 3, - ISCSI_PARAM_INITIAL_R2T_EN = 4, - ISCSI_PARAM_MAX_R2T = 5, - ISCSI_PARAM_IMM_DATA_EN = 6, - ISCSI_PARAM_FIRST_BURST = 7, - ISCSI_PARAM_MAX_BURST = 8, - ISCSI_PARAM_PDU_INORDER_EN = 9, - ISCSI_PARAM_DATASEQ_INORDER_EN = 10, - ISCSI_PARAM_ERL = 11, - ISCSI_PARAM_IFMARKER_EN = 12, - ISCSI_PARAM_OFMARKER_EN = 13, + /* 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, + + /* pased in through bind conn using transport_fd */ + ISCSI_PARAM_CONN_PORT, + ISCSI_PARAM_CONN_ADDRESS, + + /* must always be last */ + ISCSI_PARAM_MAX, }; -#define ISCSI_PARAM_MAX 14 + +#define ISCSI_MAX_RECV_DLENGTH (1 << ISCSI_PARAM_MAX_RECV_DLENGTH) +#define ISCSI_MAX_XMIT_DLENGTH (1 << ISCSI_PARAM_MAX_XMIT_DLENGTH) +#define ISCSI_HDRDGST_EN (1 << ISCSI_PARAM_HDRDGST_EN) +#define ISCSI_DATADGST_EN (1 << ISCSI_PARAM_DATADGST_EN) +#define ISCSI_INITIAL_R2T_EN (1 << ISCSI_PARAM_INITIAL_R2T_EN) +#define ISCSI_MAX_R2T (1 << ISCSI_PARAM_MAX_R2T) +#define ISCSI_IMM_DATA_EN (1 << ISCSI_PARAM_IMM_DATA_EN) +#define ISCSI_FIRST_BURST (1 << ISCSI_PARAM_FIRST_BURST) +#define ISCSI_MAX_BURST (1 << ISCSI_PARAM_MAX_BURST) +#define ISCSI_PDU_INORDER_EN (1 << ISCSI_PARAM_PDU_INORDER_EN) +#define ISCSI_DATASEQ_INORDER_EN (1 << ISCSI_PARAM_DATASEQ_INORDER_EN) +#define ISCSI_ERL (1 << ISCSI_PARAM_ERL) +#define ISCSI_IFMARKER_EN (1 << ISCSI_PARAM_IFMARKER_EN) +#define ISCSI_OFMARKER_EN (1 << ISCSI_PARAM_OFMARKER_EN) +#define ISCSI_EXP_STATSN (1 << ISCSI_PARAM_EXP_STATSN) +#define ISCSI_TARGET_NAME (1 << ISCSI_PARAM_TARGET_NAME) +#define ISCSI_TPGT (1 << ISCSI_PARAM_TPGT) +#define ISCSI_PERSISTENT_ADDRESS (1 << ISCSI_PARAM_PERSISTENT_ADDRESS) +#define ISCSI_PERSISTENT_PORT (1 << ISCSI_PARAM_PERSISTENT_PORT) +#define ISCSI_SESS_RECOVERY_TMO (1 << ISCSI_PARAM_SESS_RECOVERY_TMO) +#define ISCSI_CONN_PORT (1 << ISCSI_PARAM_CONN_PORT) +#define ISCSI_CONN_ADDRESS (1 << ISCSI_PARAM_CONN_ADDRESS) #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) |