/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * Copyright(c) 2015 - 2017 Intel Corporation. */ #ifndef _HFI1_MAD_H #define _HFI1_MAD_H #include <rdma/ib_pma.h> #include <rdma/opa_smi.h> #include <rdma/opa_port_info.h> #include "opa_compat.h" /* * OPA Traps */ #define OPA_TRAP_GID_NOW_IN_SERVICE … #define OPA_TRAP_GID_OUT_OF_SERVICE … #define OPA_TRAP_ADD_MULTICAST_GROUP … #define OPA_TRAL_DEL_MULTICAST_GROUP … #define OPA_TRAP_UNPATH … #define OPA_TRAP_REPATH … #define OPA_TRAP_PORT_CHANGE_STATE … #define OPA_TRAP_LINK_INTEGRITY … #define OPA_TRAP_EXCESSIVE_BUFFER_OVERRUN … #define OPA_TRAP_FLOW_WATCHDOG … #define OPA_TRAP_CHANGE_CAPABILITY … #define OPA_TRAP_CHANGE_SYSGUID … #define OPA_TRAP_BAD_M_KEY … #define OPA_TRAP_BAD_P_KEY … #define OPA_TRAP_BAD_Q_KEY … #define OPA_TRAP_SWITCH_BAD_PKEY … #define OPA_SMA_TRAP_DATA_LINK_WIDTH … /* * Generic trap/notice other local changes flags (trap 144). */ #define OPA_NOTICE_TRAP_LWDE_CHG … #define OPA_NOTICE_TRAP_LSE_CHG … #define OPA_NOTICE_TRAP_LWE_CHG … #define OPA_NOTICE_TRAP_NODE_DESC_CHG … struct opa_mad_notice_attr { … }; #define IB_VLARB_LOWPRI_0_31 … #define IB_VLARB_LOWPRI_32_63 … #define IB_VLARB_HIGHPRI_0_31 … #define IB_VLARB_HIGHPRI_32_63 … #define OPA_MAX_PREEMPT_CAP … #define OPA_VLARB_LOW_ELEMENTS … #define OPA_VLARB_HIGH_ELEMENTS … #define OPA_VLARB_PREEMPT_ELEMENTS … #define OPA_VLARB_PREEMPT_MATRIX … #define IB_PMA_PORT_COUNTERS_CONG … #define LINK_SPEED_25G … #define LINK_SPEED_12_5G … #define LINK_WIDTH_DEFAULT … #define DECIMAL_FACTORING … /* * The default link width is multiplied by 1000 * to get accurate value after division. */ #define FACTOR_LINK_WIDTH … struct ib_pma_portcounters_cong { … } __packed; #define IB_SMP_UNSUP_VERSION … #define IB_SMP_UNSUP_METHOD … #define IB_SMP_UNSUP_METH_ATTR … #define IB_SMP_INVALID_FIELD … #define OPA_MAX_PREEMPT_CAP … #define OPA_VLARB_LOW_ELEMENTS … #define OPA_VLARB_HIGH_ELEMENTS … #define OPA_VLARB_PREEMPT_ELEMENTS … #define OPA_VLARB_PREEMPT_MATRIX … #define HFI1_XMIT_RATE_UNSUPPORTED … #define HFI1_XMIT_RATE_PICO … /* number of 4nsec cycles equaling 2secs */ #define HFI1_CONG_TIMER_PSINTERVAL … #define IB_CC_SVCTYPE_RC … #define IB_CC_SVCTYPE_UC … #define IB_CC_SVCTYPE_RD … #define IB_CC_SVCTYPE_UD … /* * There should be an equivalent IB #define for the following, but * I cannot find it. */ #define OPA_CC_LOG_TYPE_HFI … struct opa_hfi1_cong_log_event_internal { … }; struct opa_hfi1_cong_log_event { … } __packed; #define OPA_CONG_LOG_ELEMS … struct opa_hfi1_cong_log { … } __packed; #define IB_CC_TABLE_CAP_DEFAULT … /* Port control flags */ #define IB_CC_CCS_PC_SL_BASED … struct opa_congestion_setting_entry { … } __packed; struct opa_congestion_setting_entry_shadow { … } __packed; struct opa_congestion_setting_attr { … } __packed; struct opa_congestion_setting_attr_shadow { … } __packed; #define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT … #define IB_CC_TABLE_ENTRY_TIMER_DEFAULT … /* 64 Congestion Control table entries in a single MAD */ #define IB_CCT_ENTRIES … #define IB_CCT_MIN_ENTRIES … struct ib_cc_table_entry { … }; struct ib_cc_table_entry_shadow { … }; struct ib_cc_table_attr { … } __packed; struct ib_cc_table_attr_shadow { … } __packed; #define CC_TABLE_SHADOW_MAX … struct cc_table_shadow { … } __packed; /* * struct cc_state combines the (active) per-port congestion control * table, and the (active) per-SL congestion settings. cc_state data * may need to be read in code paths that we want to be fast, so it * is an RCU protected structure. */ struct cc_state { … }; /* * OPA BufferControl MAD */ /* attribute modifier macros */ #define OPA_AM_NPORT_SHIFT … #define OPA_AM_NPORT_MASK … #define OPA_AM_NPORT_SMASK … #define OPA_AM_NPORT(am) … #define OPA_AM_NBLK_SHIFT … #define OPA_AM_NBLK_MASK … #define OPA_AM_NBLK_SMASK … #define OPA_AM_NBLK(am) … #define OPA_AM_START_BLK_SHIFT … #define OPA_AM_START_BLK_MASK … #define OPA_AM_START_BLK_SMASK … #define OPA_AM_START_BLK(am) … #define OPA_AM_PORTNUM_SHIFT … #define OPA_AM_PORTNUM_MASK … #define OPA_AM_PORTNUM_SMASK … #define OPA_AM_PORTNUM(am) … #define OPA_AM_ASYNC_SHIFT … #define OPA_AM_ASYNC_MASK … #define OPA_AM_ASYNC_SMASK … #define OPA_AM_ASYNC(am) … #define OPA_AM_START_SM_CFG_SHIFT … #define OPA_AM_START_SM_CFG_MASK … #define OPA_AM_START_SM_CFG_SMASK … #define OPA_AM_START_SM_CFG(am) … #define OPA_AM_CI_ADDR_SHIFT … #define OPA_AM_CI_ADDR_MASK … #define OPA_AM_CI_ADDR_SMASK … #define OPA_AM_CI_ADDR(am) … #define OPA_AM_CI_LEN_SHIFT … #define OPA_AM_CI_LEN_MASK … #define OPA_AM_CI_LEN_SMASK … #define OPA_AM_CI_LEN(am) … /* error info macros */ #define OPA_EI_STATUS_SMASK … #define OPA_EI_CODE_SMASK … struct vl_limit { … }; struct buffer_control { … }; struct sc2vlnt { … }; /* * The PortSamplesControl.CounterMasks field is an array of 3 bit fields * which specify the N'th counter's capabilities. See ch. 16.1.3.2. * We support 5 counters which only count the mandatory quantities. */ #define COUNTER_MASK(q, n) … #define COUNTER_MASK0_9 … void hfi1_event_pkey_change(struct hfi1_devdata *dd, u32 port); void hfi1_handle_trap_timer(struct timer_list *t); u16 tx_link_width(u16 link_width); u64 get_xmit_wait_counters(struct hfi1_pportdata *ppd, u16 link_width, u16 link_speed, int vl); /** * get_link_speed - determine whether 12.5G or 25G speed * @link_speed: the speed of active link * @return: Return 2 if link speed identified as 12.5G * or return 1 if link speed is 25G. * * The function indirectly calculate required link speed * value for convert_xmit_counter function. If the link * speed is 25G, the function return as 1 as it is required * by xmit counter conversion formula :-( 25G / link_speed). * This conversion will provide value 1 if current * link speed is 25G or 2 if 12.5G.This is done to avoid * 12.5 float number conversion. */ static inline u16 get_link_speed(u16 link_speed) { … } /** * convert_xmit_counter - calculate flit times for given xmit counter * value * @xmit_wait_val: current xmit counter value * @link_width: width of active link * @link_speed: speed of active link * @return: return xmit counter value in flit times. */ static inline u64 convert_xmit_counter(u64 xmit_wait_val, u16 link_width, u16 link_speed) { … } #endif /* _HFI1_MAD_H */
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