diff options
Diffstat (limited to 'gpxe/src/include/gpxe/ib_mad.h')
| -rw-r--r-- | gpxe/src/include/gpxe/ib_mad.h | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/gpxe/src/include/gpxe/ib_mad.h b/gpxe/src/include/gpxe/ib_mad.h new file mode 100644 index 00000000..6c4e95b7 --- /dev/null +++ b/gpxe/src/include/gpxe/ib_mad.h @@ -0,0 +1,364 @@ +#ifndef _GPXE_IB_MAD_H +#define _GPXE_IB_MAD_H + +/** @file + * + * Infiniband management datagrams + * + */ + +#include <stdint.h> +#include <gpxe/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; + uint8_t sys_guid[8]; + uint8_t node_guid[8]; + uint8_t port_guid[8]; + 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 + * + ***************************************************************************** + */ + +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]; + struct ib_gid dgid; + struct 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 { + struct ib_gid mgid; + struct 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 )); + +/***************************************************************************** + * + * 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 + +/* 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 management datagram */ +union ib_mad { + struct ib_mad_hdr hdr; + struct ib_mad_smp smp; + struct ib_mad_sa sa; + uint8_t bytes[256]; +} __attribute__ (( packed )); + +#endif /* _GPXE_IB_MAD_H */ |