/* * Copyright(c) 2015 - 2017 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * BSD LICENSE * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _HFI1_MAD_H #define _HFI1_MAD_H #include #include #include #include "opa_compat.h" /* * OPA Traps */ #define OPA_TRAP_GID_NOW_IN_SERVICE cpu_to_be16(64) #define OPA_TRAP_GID_OUT_OF_SERVICE cpu_to_be16(65) #define OPA_TRAP_ADD_MULTICAST_GROUP cpu_to_be16(66) #define OPA_TRAL_DEL_MULTICAST_GROUP cpu_to_be16(67) #define OPA_TRAP_UNPATH cpu_to_be16(68) #define OPA_TRAP_REPATH cpu_to_be16(69) #define OPA_TRAP_PORT_CHANGE_STATE cpu_to_be16(128) #define OPA_TRAP_LINK_INTEGRITY cpu_to_be16(129) #define OPA_TRAP_EXCESSIVE_BUFFER_OVERRUN cpu_to_be16(130) #define OPA_TRAP_FLOW_WATCHDOG cpu_to_be16(131) #define OPA_TRAP_CHANGE_CAPABILITY cpu_to_be16(144) #define OPA_TRAP_CHANGE_SYSGUID cpu_to_be16(145) #define OPA_TRAP_BAD_M_KEY cpu_to_be16(256) #define OPA_TRAP_BAD_P_KEY cpu_to_be16(257) #define OPA_TRAP_BAD_Q_KEY cpu_to_be16(258) #define OPA_TRAP_SWITCH_BAD_PKEY cpu_to_be16(259) #define OPA_SMA_TRAP_DATA_LINK_WIDTH cpu_to_be16(2048) /* * Generic trap/notice other local changes flags (trap 144). */ #define OPA_NOTICE_TRAP_LWDE_CHG 0x08 /* Link Width Downgrade Enable * changed */ #define OPA_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */ #define OPA_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */ #define OPA_NOTICE_TRAP_NODE_DESC_CHG 0x01 struct opa_mad_notice_attr { u8 generic_type; u8 prod_type_msb; __be16 prod_type_lsb; __be16 trap_num; __be16 toggle_count; __be32 issuer_lid; __be32 reserved1; union ib_gid issuer_gid; union { struct { u8 details[64]; } raw_data; struct { union ib_gid gid; } __packed ntc_64_65_66_67; struct { __be32 lid; } __packed ntc_128; struct { __be32 lid; /* where violation happened */ u8 port_num; /* where violation happened */ } __packed ntc_129_130_131; struct { __be32 lid; /* LID where change occurred */ __be32 new_cap_mask; /* new capability mask */ __be16 reserved2; __be16 cap_mask3; __be16 change_flags; /* low 4 bits only */ } __packed ntc_144; struct { __be64 new_sys_guid; __be32 lid; /* lid where sys guid changed */ } __packed ntc_145; struct { __be32 lid; __be32 dr_slid; u8 method; u8 dr_trunc_hop; __be16 attr_id; __be32 attr_mod; __be64 mkey; u8 dr_rtn_path[30]; } __packed ntc_256; struct { __be32 lid1; __be32 lid2; __be32 key; u8 sl; /* SL: high 5 bits */ u8 reserved3[3]; union ib_gid gid1; union ib_gid gid2; __be32 qp1; /* high 8 bits reserved */ __be32 qp2; /* high 8 bits reserved */ } __packed ntc_257_258; struct { __be16 flags; /* low 8 bits reserved */ __be16 pkey; __be32 lid1; __be32 lid2; u8 sl; /* SL: high 5 bits */ u8 reserved4[3]; union ib_gid gid1; union ib_gid gid2; __be32 qp1; /* high 8 bits reserved */ __be32 qp2; /* high 8 bits reserved */ } __packed ntc_259; struct { __be32 lid; } __packed ntc_2048; }; u8 class_data[0]; }; #define IB_VLARB_LOWPRI_0_31 1 #define IB_VLARB_LOWPRI_32_63 2 #define IB_VLARB_HIGHPRI_0_31 3 #define IB_VLARB_HIGHPRI_32_63 4 #define OPA_MAX_PREEMPT_CAP 32 #define OPA_VLARB_LOW_ELEMENTS 0 #define OPA_VLARB_HIGH_ELEMENTS 1 #define OPA_VLARB_PREEMPT_ELEMENTS 2 #define OPA_VLARB_PREEMPT_MATRIX 3 #define IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00) #define LINK_SPEED_25G 1 #define LINK_SPEED_12_5G 2 #define LINK_WIDTH_DEFAULT 4 #define DECIMAL_FACTORING 1000 /* * The default link width is multiplied by 1000 * to get accurate value after division. */ #define FACTOR_LINK_WIDTH (LINK_WIDTH_DEFAULT * DECIMAL_FACTORING) struct ib_pma_portcounters_cong { u8 reserved; u8 reserved1; __be16 port_check_rate; __be16 symbol_error_counter; u8 link_error_recovery_counter; u8 link_downed_counter; __be16 port_rcv_errors; __be16 port_rcv_remphys_errors; __be16 port_rcv_switch_relay_errors; __be16 port_xmit_discards; u8 port_xmit_constraint_errors; u8 port_rcv_constraint_errors; u8 reserved2; u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */ __be16 reserved3; __be16 vl15_dropped; __be64 port_xmit_data; __be64 port_rcv_data; __be64 port_xmit_packets; __be64 port_rcv_packets; __be64 port_xmit_wait; __be64 port_adr_events; } __packed; #define IB_SMP_UNSUP_VERSION cpu_to_be16(0x0004) #define IB_SMP_UNSUP_METHOD cpu_to_be16(0x0008) #define IB_SMP_UNSUP_METH_ATTR cpu_to_be16(0x000C) #define IB_SMP_INVALID_FIELD cpu_to_be16(0x001C) #define OPA_MAX_PREEMPT_CAP 32 #define OPA_VLARB_LOW_ELEMENTS 0 #define OPA_VLARB_HIGH_ELEMENTS 1 #define OPA_VLARB_PREEMPT_ELEMENTS 2 #define OPA_VLARB_PREEMPT_MATRIX 3 #define HFI1_XMIT_RATE_UNSUPPORTED 0x0 #define HFI1_XMIT_RATE_PICO 0x7 /* number of 4nsec cycles equaling 2secs */ #define HFI1_CONG_TIMER_PSINTERVAL 0x1DCD64EC #define IB_CC_SVCTYPE_RC 0x0 #define IB_CC_SVCTYPE_UC 0x1 #define IB_CC_SVCTYPE_RD 0x2 #define IB_CC_SVCTYPE_UD 0x3 /* * There should be an equivalent IB #define for the following, but * I cannot find it. */ #define OPA_CC_LOG_TYPE_HFI 2 struct opa_hfi1_cong_log_event_internal { u32 lqpn; u32 rqpn; u8 sl; u8 svc_type; u32 rlid; u64 timestamp; /* wider than 32 bits to detect 32 bit rollover */ }; struct opa_hfi1_cong_log_event { u8 local_qp_cn_entry[3]; u8 remote_qp_number_cn_entry[3]; u8 sl_svc_type_cn_entry; /* 5 bits SL, 3 bits svc type */ u8 reserved; __be32 remote_lid_cn_entry; __be32 timestamp_cn_entry; } __packed; #define OPA_CONG_LOG_ELEMS 96 struct opa_hfi1_cong_log { u8 log_type; u8 congestion_flags; __be16 threshold_event_counter; __be32 current_time_stamp; u8 threshold_cong_event_map[OPA_MAX_SLS / 8]; struct opa_hfi1_cong_log_event events[OPA_CONG_LOG_ELEMS]; } __packed; #define IB_CC_TABLE_CAP_DEFAULT 31 /* Port control flags */ #define IB_CC_CCS_PC_SL_BASED 0x01 struct opa_congestion_setting_entry { u8 ccti_increase; u8 reserved; __be16 ccti_timer; u8 trigger_threshold; u8 ccti_min; /* min CCTI for cc table */ } __packed; struct opa_congestion_setting_entry_shadow { u8 ccti_increase; u8 reserved; u16 ccti_timer; u8 trigger_threshold; u8 ccti_min; /* min CCTI for cc table */ } __packed; struct opa_congestion_setting_attr { __be32 control_map; __be16 port_control; struct opa_congestion_setting_entry entries[OPA_MAX_SLS]; } __packed; struct opa_congestion_setting_attr_shadow { u32 control_map; u16 port_control; struct opa_congestion_setting_entry_shadow entries[OPA_MAX_SLS]; } __packed; #define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT 1 #define IB_CC_TABLE_ENTRY_TIMER_DEFAULT 1 /* 64 Congestion Control table entries in a single MAD */ #define IB_CCT_ENTRIES 64 #define IB_CCT_MIN_ENTRIES (IB_CCT_ENTRIES * 2) struct ib_cc_table_entry { __be16 entry; /* shift:2, multiplier:14 */ }; struct ib_cc_table_entry_shadow { u16 entry; /* shift:2, multiplier:14 */ }; struct ib_cc_table_attr { __be16 ccti_limit; /* max CCTI for cc table */ struct ib_cc_table_entry ccti_entries[IB_CCT_ENTRIES]; } __packed; struct ib_cc_table_attr_shadow { u16 ccti_limit; /* max CCTI for cc table */ struct ib_cc_table_entry_shadow ccti_entries[IB_CCT_ENTRIES]; } __packed; #define CC_TABLE_SHADOW_MAX \ (IB_CC_TABLE_CAP_DEFAULT * IB_CCT_ENTRIES) struct cc_table_shadow { u16 ccti_limit; /* max CCTI for cc table */ struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX]; } __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 { struct rcu_head rcu; struct cc_table_shadow cct; struct opa_congestion_setting_attr_shadow cong_setting; }; /* * OPA BufferControl MAD */ /* attribute modifier macros */ #define OPA_AM_NPORT_SHIFT 24 #define OPA_AM_NPORT_MASK 0xff #define OPA_AM_NPORT_SMASK (OPA_AM_NPORT_MASK << OPA_AM_NPORT_SHIFT) #define OPA_AM_NPORT(am) (((am) >> OPA_AM_NPORT_SHIFT) & \ OPA_AM_NPORT_MASK) #define OPA_AM_NBLK_SHIFT 24 #define OPA_AM_NBLK_MASK 0xff #define OPA_AM_NBLK_SMASK (OPA_AM_NBLK_MASK << OPA_AM_NBLK_SHIFT) #define OPA_AM_NBLK(am) (((am) >> OPA_AM_NBLK_SHIFT) & \ OPA_AM_NBLK_MASK) #define OPA_AM_START_BLK_SHIFT 0 #define OPA_AM_START_BLK_MASK 0xff #define OPA_AM_START_BLK_SMASK (OPA_AM_START_BLK_MASK << \ OPA_AM_START_BLK_SHIFT) #define OPA_AM_START_BLK(am) (((am) >> OPA_AM_START_BLK_SHIFT) & \ OPA_AM_START_BLK_MASK) #define OPA_AM_PORTNUM_SHIFT 0 #define OPA_AM_PORTNUM_MASK 0xff #define OPA_AM_PORTNUM_SMASK (OPA_AM_PORTNUM_MASK << OPA_AM_PORTNUM_SHIFT) #define OPA_AM_PORTNUM(am) (((am) >> OPA_AM_PORTNUM_SHIFT) & \ OPA_AM_PORTNUM_MASK) #define OPA_AM_ASYNC_SHIFT 12 #define OPA_AM_ASYNC_MASK 0x1 #define OPA_AM_ASYNC_SMASK (OPA_AM_ASYNC_MASK << OPA_AM_ASYNC_SHIFT) #define OPA_AM_ASYNC(am) (((am) >> OPA_AM_ASYNC_SHIFT) & \ OPA_AM_ASYNC_MASK) #define OPA_AM_START_SM_CFG_SHIFT 9 #define OPA_AM_START_SM_CFG_MASK 0x1 #define OPA_AM_START_SM_CFG_SMASK (OPA_AM_START_SM_CFG_MASK << \ OPA_AM_START_SM_CFG_SHIFT) #define OPA_AM_START_SM_CFG(am) (((am) >> OPA_AM_START_SM_CFG_SHIFT) \ & OPA_AM_START_SM_CFG_MASK) #define OPA_AM_CI_ADDR_SHIFT 19 #define OPA_AM_CI_ADDR_MASK 0xfff #define OPA_AM_CI_ADDR_SMASK (OPA_AM_CI_ADDR_MASK << OPA_CI_ADDR_SHIFT) #define OPA_AM_CI_ADDR(am) (((am) >> OPA_AM_CI_ADDR_SHIFT) & \ OPA_AM_CI_ADDR_MASK) #define OPA_AM_CI_LEN_SHIFT 13 #define OPA_AM_CI_LEN_MASK 0x3f #define OPA_AM_CI_LEN_SMASK (OPA_AM_CI_LEN_MASK << OPA_CI_LEN_SHIFT) #define OPA_AM_CI_LEN(am) (((am) >> OPA_AM_CI_LEN_SHIFT) & \ OPA_AM_CI_LEN_MASK) /* error info macros */ #define OPA_EI_STATUS_SMASK 0x80 #define OPA_EI_CODE_SMASK 0x0f struct vl_limit { __be16 dedicated; __be16 shared; }; struct buffer_control { __be16 reserved; __be16 overall_shared_limit; struct vl_limit vl[OPA_MAX_VLS]; }; struct sc2vlnt { u8 vlnt[32]; /* 5 bit VL, 3 bits reserved */ }; /* * 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) (q << ((9 - n) * 3)) #define COUNTER_MASK0_9 \ cpu_to_be32(COUNTER_MASK(1, 0) | \ COUNTER_MASK(1, 1) | \ COUNTER_MASK(1, 2) | \ COUNTER_MASK(1, 3) | \ COUNTER_MASK(1, 4)) void hfi1_event_pkey_change(struct hfi1_devdata *dd, u8 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) { return (link_speed == 1) ? LINK_SPEED_12_5G : LINK_SPEED_25G; } /** * 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) { return (xmit_wait_val * 2 * (FACTOR_LINK_WIDTH / link_width) * link_speed) / DECIMAL_FACTORING; } #endif /* _HFI1_MAD_H */