diff options
Diffstat (limited to 'src/include/gpxe/ib_mad.h')
| -rw-r--r-- | src/include/gpxe/ib_mad.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/include/gpxe/ib_mad.h b/src/include/gpxe/ib_mad.h index 75bf271e..a628cea5 100644 --- a/src/include/gpxe/ib_mad.h +++ b/src/include/gpxe/ib_mad.h @@ -284,6 +284,172 @@ union ib_sa_data { /***************************************************************************** * + * Communication management MADs + * + ***************************************************************************** + */ + +/** Communication management class version */ +#define IB_CM_CLASS_VERSION 2 + +/* Communication management attributes */ +#define IB_CM_ATTR_CLASS_PORT_INFO 0x0001 +#define IB_CM_ATTR_CONNECT_REQUEST 0x0010 +#define IB_CM_ATTR_MSG_RCPT_ACK 0x0011 +#define IB_CM_ATTR_CONNECT_REJECT 0x0012 +#define IB_CM_ATTR_CONNECT_REPLY 0x0013 +#define IB_CM_ATTR_READY_TO_USE 0x0014 +#define IB_CM_ATTR_DISCONNECT_REQUEST 0x0015 +#define IB_CM_ATTR_DISCONNECT_REPLY 0x0016 +#define IB_CM_ATTR_SERVICE_ID_RES_REQ 0x0016 +#define IB_CM_ATTR_SERVICE_ID_RES_REQ_RESP 0x0018 +#define IB_CM_ATTR_LOAD_ALTERNATE_PATH 0x0019 +#define IB_CM_ATTR_ALTERNATE_PATH_RESPONSE 0x001a + +/** A communication management path */ +struct ib_cm_path { + /** Local port LID */ + uint16_t local_lid; + /** Remote port LID */ + uint16_t remote_lid; + /** Local port GID */ + struct ib_gid local_gid; + /** Remote port GID */ + struct ib_gid remote_gid; + /** Flow label and rate */ + uint32_t flow_label__rate; + /** Traffic class */ + uint8_t tc; + /** Hop limit */ + uint8_t hop_limit; + /** SL and subnet local*/ + uint8_t sl__subnet_local; + /** Local ACK timeout */ + uint8_t local_ack_timeout; +} __attribute__ (( packed )); + +/** A communication management connection request + * + * Defined in section 12.6.5 of the IBA. + */ +struct ib_cm_connect_request { + /** Local communication ID */ + uint32_t local_id; + /** Reserved */ + uint32_t reserved0[1]; + /** Service ID */ + struct ib_gid_half service_id; + /** Local CA GUID */ + struct ib_gid_half local_ca; + /** Reserved */ + uint32_t reserved1[1]; + /** Local queue key */ + uint32_t local_qkey; + /** Local QPN and responder resources*/ + uint32_t local_qpn__responder_resources; + /** Local EECN and initiator depth */ + uint32_t local_eecn__initiator_depth; + /** Remote EECN, remote CM response timeout, transport service + * type, EE flow control + */ + uint32_t remote_eecn__remote_timeout__service_type__ee_flow_ctrl; + /** Starting PSN, local CM response timeout and retry count */ + uint32_t starting_psn__local_timeout__retry_count; + /** Partition key */ + uint16_t pkey; + /** Path packet payload MTU, RDC exists, RNR retry count */ + uint8_t payload_mtu__rdc_exists__rnr_retry; + /** Max CM retries and SRQ */ + uint8_t max_cm_retries__srq; + /** Primary path */ + struct ib_cm_path primary; + /** Alternate path */ + struct ib_cm_path alternate; + /** Private data */ + uint8_t private_data[92]; +} __attribute__ (( packed )); + +/** CM transport types */ +#define IB_CM_TRANSPORT_RC 0 +#define IB_CM_TRANSPORT_UC 1 +#define IB_CM_TRANSPORT_RD 2 + +/** A communication management connection rejection + * + * Defined in section 12.6.7 of the IBA. + */ +struct ib_cm_connect_reject { + /** Local communication ID */ + uint32_t local_id; + /** Remote communication ID */ + uint32_t remote_id; + /** Message rejected */ + uint8_t message; + /** Reject information length */ + uint8_t info_len; + /** Rejection reason */ + uint16_t reason; + /** Additional rejection information */ + uint8_t info[72]; + /** Private data */ + uint8_t private_data[148]; +} __attribute__ (( packed )); + +/** A communication management connection reply + * + * Defined in section 12.6.8 of the IBA. + */ +struct ib_cm_connect_reply { + /** Local communication ID */ + uint32_t local_id; + /** Remote communication ID */ + uint32_t remote_id; + /** Local queue key */ + uint32_t local_qkey; + /** Local QPN */ + uint32_t local_qpn; + /** Local EECN */ + uint32_t local_eecn; + /** Starting PSN */ + uint32_t starting_psn; + /** Responder resources */ + uint8_t responder_resources; + /** Initiator depth */ + uint8_t initiator_depth; + /** Target ACK delay, failover accepted, and end-to-end flow control */ + uint8_t target_ack_delay__failover_accepted__ee_flow_ctrl; + /** RNR retry count, SRQ */ + uint8_t rnr_retry__srq; + /** Local CA GUID */ + struct ib_gid_half local_ca; + /** Private data */ + uint8_t private_data[196]; +} __attribute__ (( packed )); + +/** A communication management ready to use reply + * + * Defined in section 12.6.9 of the IBA. + */ +struct ib_cm_ready_to_use { + /** Local communication ID */ + uint32_t local_id; + /** Remote communication ID */ + uint32_t remote_id; + /** Private data */ + uint8_t private_data[224]; +} __attribute__ (( packed )); + +/** A communication management attribute */ +union ib_cm_data { + struct ib_cm_connect_request connect_request; + struct ib_cm_connect_reject connect_reject; + struct ib_cm_connect_reply connect_reply; + struct ib_cm_ready_to_use ready_to_use; + uint8_t bytes[232]; +} __attribute__ (( packed )); + +/***************************************************************************** + * * MADs * ***************************************************************************** @@ -362,11 +528,18 @@ struct ib_mad_sa { union ib_sa_data sa_data; } __attribute__ (( packed )); +/** A communication management MAD */ +struct ib_mad_cm { + struct ib_mad_hdr mad_hdr; + union ib_cm_data cm_data; +} __attribute__ (( packed )); + /** A management datagram */ union ib_mad { struct ib_mad_hdr hdr; struct ib_mad_smp smp; struct ib_mad_sa sa; + struct ib_mad_cm cm; uint8_t bytes[256]; } __attribute__ (( packed )); |