--- /dev/null
+#ifndef _IPXE_IB_MAD_H
+#define _IPXE_IB_MAD_H
+
+/** @file
+ *
+ * Infiniband management datagrams
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/ib_packet.h>
+
+/*****************************************************************************
+ *
+ * Subnet management MADs
+ *
+ *****************************************************************************
+ */
+
+/** A subnet management header
+ *
+ * Defined in sections 14.2.1.1 and 14.2.1.2 of the IBA.
+ */
+struct ib_smp_hdr {
+ uint64_t mkey;
+ uint16_t slid;
+ uint16_t dlid;
+ uint8_t reserved[28];
+} __attribute__ (( packed ));
+
+/** Subnet management class version */
+#define IB_SMP_CLASS_VERSION 1
+
+/** Subnet management direction bit
+ *
+ * This bit resides in the "status" field in the MAD header.
+ */
+#define IB_SMP_STATUS_D_INBOUND 0x8000
+
+/* Subnet management attributes */
+#define IB_SMP_ATTR_NOTICE 0x0002
+#define IB_SMP_ATTR_NODE_DESC 0x0010
+#define IB_SMP_ATTR_NODE_INFO 0x0011
+#define IB_SMP_ATTR_SWITCH_INFO 0x0012
+#define IB_SMP_ATTR_GUID_INFO 0x0014
+#define IB_SMP_ATTR_PORT_INFO 0x0015
+#define IB_SMP_ATTR_PKEY_TABLE 0x0016
+#define IB_SMP_ATTR_SL_TO_VL_TABLE 0x0017
+#define IB_SMP_ATTR_VL_ARB_TABLE 0x0018
+#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE 0x0019
+#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE 0x001A
+#define IB_SMP_ATTR_MCAST_FORWARD_TABLE 0x001B
+#define IB_SMP_ATTR_SM_INFO 0x0020
+#define IB_SMP_ATTR_VENDOR_DIAG 0x0030
+#define IB_SMP_ATTR_LED_INFO 0x0031
+#define IB_SMP_ATTR_VENDOR_MASK 0xFF00
+
+/**
+ * A Node Description attribute
+ *
+ * Defined in section 14.2.5.2 of the IBA
+ */
+struct ib_node_desc {
+ char node_string[64];
+} __attribute__ (( packed ));
+
+/** A Node Information attribute
+ *
+ * Defined in section 14.2.5.3 of the IBA.
+ */
+struct ib_node_info {
+ uint8_t base_version;
+ uint8_t class_version;
+ uint8_t node_type;
+ uint8_t num_ports;
+ union ib_guid sys_guid;
+ union ib_guid node_guid;
+ union ib_guid port_guid;
+ uint16_t partition_cap;
+ uint16_t device_id;
+ uint32_t revision;
+ uint8_t local_port_num;
+ uint8_t vendor_id[3];
+} __attribute__ ((packed));
+
+#define IB_NODE_TYPE_HCA 0x01
+#define IB_NODE_TYPE_SWITCH 0x02
+#define IB_NODE_TYPE_ROUTER 0x03
+
+/** A GUID Information attribute
+ *
+ * Defined in section 14.2.5.5 of the IBA.
+ */
+struct ib_guid_info {
+ uint8_t guid[8][8];
+} __attribute__ (( packed ));
+
+/** A Port Information attribute
+ *
+ * Defined in section 14.2.5.6 of the IBA.
+ */
+struct ib_port_info {
+ uint64_t mkey;
+ uint8_t gid_prefix[8];
+ uint16_t lid;
+ uint16_t mastersm_lid;
+ uint32_t cap_mask;
+ uint16_t diag_code;
+ uint16_t mkey_lease_period;
+ uint8_t local_port_num;
+ uint8_t link_width_enabled;
+ uint8_t link_width_supported;
+ uint8_t link_width_active;
+ uint8_t link_speed_supported__port_state;
+ uint8_t port_phys_state__link_down_def_state;
+ uint8_t mkey_prot_bits__lmc;
+ uint8_t link_speed_active__link_speed_enabled;
+ uint8_t neighbour_mtu__mastersm_sl;
+ uint8_t vl_cap__init_type;
+ uint8_t vl_high_limit;
+ uint8_t vl_arbitration_high_cap;
+ uint8_t vl_arbitration_low_cap;
+ uint8_t init_type_reply__mtu_cap;
+ uint8_t vl_stall_count__hoq_life;
+ uint8_t operational_vls__enforcement;
+ uint16_t mkey_violations;
+ uint16_t pkey_violations;
+ uint16_t qkey_violations;
+ uint8_t guid_cap;
+ uint8_t client_reregister__subnet_timeout;
+ uint8_t resp_time_value;
+ uint8_t local_phy_errors__overrun_errors;
+ uint16_t max_credit_hint;
+ uint32_t link_round_trip_latency;
+} __attribute__ (( packed ));
+
+#define IB_LINK_WIDTH_1X 0x01
+#define IB_LINK_WIDTH_4X 0x02
+#define IB_LINK_WIDTH_8X 0x04
+#define IB_LINK_WIDTH_12X 0x08
+
+#define IB_LINK_SPEED_SDR 0x01
+#define IB_LINK_SPEED_DDR 0x02
+#define IB_LINK_SPEED_QDR 0x04
+
+#define IB_PORT_STATE_DOWN 0x01
+#define IB_PORT_STATE_INIT 0x02
+#define IB_PORT_STATE_ARMED 0x03
+#define IB_PORT_STATE_ACTIVE 0x04
+
+#define IB_PORT_PHYS_STATE_SLEEP 0x01
+#define IB_PORT_PHYS_STATE_POLLING 0x02
+
+#define IB_MTU_256 0x01
+#define IB_MTU_512 0x02
+#define IB_MTU_1024 0x03
+#define IB_MTU_2048 0x04
+#define IB_MTU_4096 0x05
+
+#define IB_VL_0 0x01
+#define IB_VL_0_1 0x02
+#define IB_VL_0_3 0x03
+#define IB_VL_0_7 0x04
+#define IB_VL_0_14 0x05
+
+/** A Partition Key Table attribute
+ *
+ * Defined in section 14.2.5.7 of the IBA.
+ */
+struct ib_pkey_table {
+ uint16_t pkey[32];
+} __attribute__ (( packed ));
+
+/** A subnet management attribute */
+union ib_smp_data {
+ struct ib_node_desc node_desc;
+ struct ib_node_info node_info;
+ struct ib_guid_info guid_info;
+ struct ib_port_info port_info;
+ struct ib_pkey_table pkey_table;
+ uint8_t bytes[64];
+} __attribute__ (( packed ));
+
+/** A subnet management directed route path */
+struct ib_smp_dr_path {
+ uint8_t hops[64];
+} __attribute__ (( packed ));
+
+/** Subnet management MAD class-specific data */
+struct ib_smp_class_specific {
+ uint8_t hop_pointer;
+ uint8_t hop_count;
+} __attribute__ (( packed ));
+
+/*****************************************************************************
+ *
+ * Subnet administration MADs
+ *
+ *****************************************************************************
+ */
+
+#define IB_SA_CLASS_VERSION 2
+
+#define IB_SA_METHOD_DELETE_RESP 0x95
+
+struct ib_rmpp_hdr {
+ uint32_t raw[3];
+} __attribute__ (( packed ));
+
+struct ib_sa_hdr {
+ uint32_t sm_key[2];
+ uint16_t reserved;
+ uint16_t attrib_offset;
+ uint32_t comp_mask[2];
+} __attribute__ (( packed ));
+
+#define IB_SA_ATTR_MC_MEMBER_REC 0x38
+#define IB_SA_ATTR_PATH_REC 0x35
+
+struct ib_path_record {
+ uint32_t reserved0[2];
+ union ib_gid dgid;
+ union ib_gid sgid;
+ uint16_t dlid;
+ uint16_t slid;
+ uint32_t hop_limit__flow_label__raw_traffic;
+ uint32_t pkey__numb_path__reversible__tclass;
+ uint8_t reserved1;
+ uint8_t reserved__sl;
+ uint8_t mtu_selector__mtu;
+ uint8_t rate_selector__rate;
+ uint32_t preference__packet_lifetime__packet_lifetime_selector;
+ uint32_t reserved2[35];
+} __attribute__ (( packed ));
+
+#define IB_SA_PATH_REC_DGID (1<<2)
+#define IB_SA_PATH_REC_SGID (1<<3)
+
+struct ib_mc_member_record {
+ union ib_gid mgid;
+ union ib_gid port_gid;
+ uint32_t qkey;
+ uint16_t mlid;
+ uint8_t mtu_selector__mtu;
+ uint8_t tclass;
+ uint16_t pkey;
+ uint8_t rate_selector__rate;
+ uint8_t packet_lifetime_selector__packet_lifetime;
+ uint32_t sl__flow_label__hop_limit;
+ uint8_t scope__join_state;
+ uint8_t proxy_join__reserved;
+ uint16_t reserved0;
+ uint32_t reserved1[37];
+} __attribute__ (( packed ));
+
+#define IB_SA_MCMEMBER_REC_MGID (1<<0)
+#define IB_SA_MCMEMBER_REC_PORT_GID (1<<1)
+#define IB_SA_MCMEMBER_REC_QKEY (1<<2)
+#define IB_SA_MCMEMBER_REC_MLID (1<<3)
+#define IB_SA_MCMEMBER_REC_MTU_SELECTOR (1<<4)
+#define IB_SA_MCMEMBER_REC_MTU (1<<5)
+#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS (1<<6)
+#define IB_SA_MCMEMBER_REC_PKEY (1<<7)
+#define IB_SA_MCMEMBER_REC_RATE_SELECTOR (1<<8)
+#define IB_SA_MCMEMBER_REC_RATE (1<<9)
+#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR (1<<10)
+#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME (1<<11)
+#define IB_SA_MCMEMBER_REC_SL (1<<12)
+#define IB_SA_MCMEMBER_REC_FLOW_LABEL (1<<13)
+#define IB_SA_MCMEMBER_REC_HOP_LIMIT (1<<14)
+#define IB_SA_MCMEMBER_REC_SCOPE (1<<15)
+#define IB_SA_MCMEMBER_REC_JOIN_STATE (1<<16)
+#define IB_SA_MCMEMBER_REC_PROXY_JOIN (1<<17)
+
+union ib_sa_data {
+ struct ib_path_record path_record;
+ struct ib_mc_member_record mc_member_record;
+} __attribute__ (( packed ));
+
+/*****************************************************************************
+ *
+ * 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
+
+/** Communication management common fields */
+struct ib_cm_common {
+ /** Local communication ID */
+ uint32_t local_id;
+ /** Remote communication ID */
+ uint32_t remote_id;
+ /** Reserved */
+ uint8_t reserved[224];
+} __attribute__ (( packed ));
+
+/** 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 */
+ union ib_gid local_gid;
+ /** Remote port GID */
+ union 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 */
+ union ib_guid service_id;
+ /** Local CA GUID */
+ union ib_guid 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 ));
+
+/** CM rejection reasons */
+#define IB_CM_REJECT_BAD_SERVICE_ID 8
+#define IB_CM_REJECT_STALE_CONN 10
+#define IB_CM_REJECT_CONSUMER 28
+
+/** 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 */
+ union ib_guid 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 disconnection request
+ *
+ * Defined in section 12.6.10 of the IBA.
+ */
+struct ib_cm_disconnect_request {
+ /** Local communication ID */
+ uint32_t local_id;
+ /** Remote communication ID */
+ uint32_t remote_id;
+ /** Remote QPN/EECN */
+ uint32_t remote_qpn_eecn;
+ /** Private data */
+ uint8_t private_data[220];
+} __attribute__ (( packed ));
+
+/** A communication management disconnection reply
+ *
+ * Defined in section 12.6.11 of the IBA.
+ */
+struct ib_cm_disconnect_reply {
+ /** 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_common common;
+ 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;
+ struct ib_cm_disconnect_request disconnect_request;
+ struct ib_cm_disconnect_reply disconnect_reply;
+ uint8_t bytes[232];
+} __attribute__ (( packed ));
+
+/*****************************************************************************
+ *
+ * MADs
+ *
+ *****************************************************************************
+ */
+
+/** Management datagram class_specific data */
+union ib_mad_class_specific {
+ uint16_t raw;
+ struct ib_smp_class_specific smp;
+} __attribute__ (( packed ));
+
+/** A management datagram common header
+ *
+ * Defined in section 13.4.2 of the IBA.
+ */
+struct ib_mad_hdr {
+ uint8_t base_version;
+ uint8_t mgmt_class;
+ uint8_t class_version;
+ uint8_t method;
+ uint16_t status;
+ union ib_mad_class_specific class_specific;
+ uint32_t tid[2];
+ uint16_t attr_id;
+ uint8_t reserved[2];
+ uint32_t attr_mod;
+} __attribute__ (( packed ));
+
+/* Management base version */
+#define IB_MGMT_BASE_VERSION 1
+
+/* Management classes */
+#define IB_MGMT_CLASS_SUBN_LID_ROUTED 0x01
+#define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 0x81
+#define IB_MGMT_CLASS_SUBN_ADM 0x03
+#define IB_MGMT_CLASS_PERF_MGMT 0x04
+#define IB_MGMT_CLASS_BM 0x05
+#define IB_MGMT_CLASS_DEVICE_MGMT 0x06
+#define IB_MGMT_CLASS_CM 0x07
+#define IB_MGMT_CLASS_SNMP 0x08
+#define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30
+#define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4f
+
+#define IB_MGMT_CLASS_MASK 0x7f
+
+/* Management methods */
+#define IB_MGMT_METHOD_GET 0x01
+#define IB_MGMT_METHOD_SET 0x02
+#define IB_MGMT_METHOD_GET_RESP 0x81
+#define IB_MGMT_METHOD_SEND 0x03
+#define IB_MGMT_METHOD_TRAP 0x05
+#define IB_MGMT_METHOD_REPORT 0x06
+#define IB_MGMT_METHOD_REPORT_RESP 0x86
+#define IB_MGMT_METHOD_TRAP_REPRESS 0x07
+#define IB_MGMT_METHOD_DELETE 0x15
+
+/* Status codes */
+#define IB_MGMT_STATUS_OK 0x0000
+#define IB_MGMT_STATUS_BAD_VERSION 0x0001
+#define IB_MGMT_STATUS_UNSUPPORTED_METHOD 0x0002
+#define IB_MGMT_STATUS_UNSUPPORTED_METHOD_ATTR 0x0003
+#define IB_MGMT_STATUS_INVALID_VALUE 0x0004
+
+/** A subnet management MAD */
+struct ib_mad_smp {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_smp_hdr smp_hdr;
+ union ib_smp_data smp_data;
+ struct ib_smp_dr_path initial_path;
+ struct ib_smp_dr_path return_path;
+} __attribute__ (( packed ));
+
+/** A subnet administration MAD */
+struct ib_mad_sa {
+ struct ib_mad_hdr mad_hdr;
+ struct ib_rmpp_hdr rmpp_hdr;
+ struct ib_sa_hdr sa_hdr;
+ 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 ));
+
+#endif /* _IPXE_IB_MAD_H */
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