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1/*2 * Copyright (c) 2012 Intel Corporation. All rights reserved.3 * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.4 * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.5 *6 * This software is available to you under a choice of one of two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * provided with the distribution.24 *25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34#ifndef _QIB_MAD_H35#define _QIB_MAD_H36 37#include <rdma/ib_pma.h>38 39#define IB_SMP_UNSUP_VERSION \40cpu_to_be16(IB_MGMT_MAD_STATUS_BAD_VERSION)41 42#define IB_SMP_UNSUP_METHOD \43cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD)44 45#define IB_SMP_UNSUP_METH_ATTR \46cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB)47 48#define IB_SMP_INVALID_FIELD \49cpu_to_be16(IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE)50 51#define IB_VLARB_LOWPRI_0_31 152#define IB_VLARB_LOWPRI_32_63 253#define IB_VLARB_HIGHPRI_0_31 354#define IB_VLARB_HIGHPRI_32_63 455 56#define IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00)57 58struct ib_pma_portcounters_cong {59 u8 reserved;60 u8 reserved1;61 __be16 port_check_rate;62 __be16 symbol_error_counter;63 u8 link_error_recovery_counter;64 u8 link_downed_counter;65 __be16 port_rcv_errors;66 __be16 port_rcv_remphys_errors;67 __be16 port_rcv_switch_relay_errors;68 __be16 port_xmit_discards;69 u8 port_xmit_constraint_errors;70 u8 port_rcv_constraint_errors;71 u8 reserved2;72 u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */73 __be16 reserved3;74 __be16 vl15_dropped;75 __be64 port_xmit_data;76 __be64 port_rcv_data;77 __be64 port_xmit_packets;78 __be64 port_rcv_packets;79 __be64 port_xmit_wait;80 __be64 port_adr_events;81} __packed;82 83#define IB_PMA_CONG_HW_CONTROL_TIMER 0x0084#define IB_PMA_CONG_HW_CONTROL_SAMPLE 0x0185 86#define QIB_XMIT_RATE_UNSUPPORTED 0x087#define QIB_XMIT_RATE_PICO 0x788/* number of 4nsec cycles equaling 2secs */89#define QIB_CONG_TIMER_PSINTERVAL 0x1DCD64EC90 91#define IB_PMA_SEL_CONG_ALL 0x0192#define IB_PMA_SEL_CONG_PORT_DATA 0x0293#define IB_PMA_SEL_CONG_XMIT 0x0494#define IB_PMA_SEL_CONG_ROUTING 0x0895 96/*97 * Congestion control class attributes98 */99#define IB_CC_ATTR_CLASSPORTINFO cpu_to_be16(0x0001)100#define IB_CC_ATTR_NOTICE cpu_to_be16(0x0002)101#define IB_CC_ATTR_CONGESTION_INFO cpu_to_be16(0x0011)102#define IB_CC_ATTR_CONGESTION_KEY_INFO cpu_to_be16(0x0012)103#define IB_CC_ATTR_CONGESTION_LOG cpu_to_be16(0x0013)104#define IB_CC_ATTR_SWITCH_CONGESTION_SETTING cpu_to_be16(0x0014)105#define IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING cpu_to_be16(0x0015)106#define IB_CC_ATTR_CA_CONGESTION_SETTING cpu_to_be16(0x0016)107#define IB_CC_ATTR_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0017)108#define IB_CC_ATTR_TIME_STAMP cpu_to_be16(0x0018)109 110/* generalizations for threshold values */111#define IB_CC_THRESHOLD_NONE 0x0112#define IB_CC_THRESHOLD_MIN 0x1113#define IB_CC_THRESHOLD_MAX 0xf114 115/* CCA MAD header constants */116#define IB_CC_MAD_LOGDATA_LEN 32117#define IB_CC_MAD_MGMTDATA_LEN 192118 119struct ib_cc_mad {120 u8 base_version;121 u8 mgmt_class;122 u8 class_version;123 u8 method;124 __be16 status;125 __be16 class_specific;126 __be64 tid;127 __be16 attr_id;128 __be16 resv;129 __be32 attr_mod;130 __be64 cckey;131 132 /* For CongestionLog attribute only */133 u8 log_data[IB_CC_MAD_LOGDATA_LEN];134 135 u8 mgmt_data[IB_CC_MAD_MGMTDATA_LEN];136} __packed;137 138/*139 * Congestion Control class portinfo capability mask bits140 */141#define IB_CC_CPI_CM_TRAP_GEN cpu_to_be16(1 << 0)142#define IB_CC_CPI_CM_GET_SET_NOTICE cpu_to_be16(1 << 1)143#define IB_CC_CPI_CM_CAP2 cpu_to_be16(1 << 2)144#define IB_CC_CPI_CM_ENHANCEDPORT0_CC cpu_to_be16(1 << 8)145 146struct ib_cc_classportinfo_attr {147 u8 base_version;148 u8 class_version;149 __be16 cap_mask;150 u8 reserved[3];151 u8 resp_time_value; /* only lower 5 bits */152 union ib_gid redirect_gid;153 __be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */154 __be16 redirect_lid;155 __be16 redirect_pkey;156 __be32 redirect_qp; /* only lower 24 bits */157 __be32 redirect_qkey;158 union ib_gid trap_gid;159 __be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */160 __be16 trap_lid;161 __be16 trap_pkey;162 __be32 trap_hl_qp; /* 8, 24 bits respectively */163 __be32 trap_qkey;164} __packed;165 166/* Congestion control traps */167#define IB_CC_TRAP_KEY_VIOLATION 0x0000168 169struct ib_cc_trap_key_violation_attr {170 __be16 source_lid;171 u8 method;172 u8 reserved1;173 __be16 attrib_id;174 __be32 attrib_mod;175 __be32 qp;176 __be64 cckey;177 u8 sgid[16];178 u8 padding[24];179} __packed;180 181/* Congestion info flags */182#define IB_CC_CI_FLAGS_CREDIT_STARVATION 0x1183#define IB_CC_TABLE_CAP_DEFAULT 31184 185struct ib_cc_info_attr {186 __be16 congestion_info;187 u8 control_table_cap; /* Multiple of 64 entry unit CCTs */188} __packed;189 190struct ib_cc_key_info_attr {191 __be64 cckey;192 u8 protect;193 __be16 lease_period;194 __be16 violations;195} __packed;196 197#define IB_CC_CL_CA_LOGEVENTS_LEN 208198 199struct ib_cc_log_attr {200 u8 log_type;201 u8 congestion_flags;202 __be16 threshold_event_counter;203 __be16 threshold_congestion_event_map;204 __be16 current_time_stamp;205 u8 log_events[IB_CC_CL_CA_LOGEVENTS_LEN];206} __packed;207 208#define IB_CC_CLEC_SERVICETYPE_RC 0x0209#define IB_CC_CLEC_SERVICETYPE_UC 0x1210#define IB_CC_CLEC_SERVICETYPE_RD 0x2211#define IB_CC_CLEC_SERVICETYPE_UD 0x3212 213struct ib_cc_log_event {214 u8 local_qp_cn_entry;215 u8 remote_qp_number_cn_entry[3];216 u8 sl_cn_entry:4;217 u8 service_type_cn_entry:4;218 __be32 remote_lid_cn_entry;219 __be32 timestamp_cn_entry;220} __packed;221 222/* Sixteen congestion entries */223#define IB_CC_CCS_ENTRIES 16224 225/* Port control flags */226#define IB_CC_CCS_PC_SL_BASED 0x01227 228struct ib_cc_congestion_entry {229 u8 ccti_increase;230 __be16 ccti_timer;231 u8 trigger_threshold;232 u8 ccti_min; /* min CCTI for cc table */233} __packed;234 235struct ib_cc_congestion_entry_shadow {236 u8 ccti_increase;237 u16 ccti_timer;238 u8 trigger_threshold;239 u8 ccti_min; /* min CCTI for cc table */240} __packed;241 242struct ib_cc_congestion_setting_attr {243 __be16 port_control;244 __be16 control_map;245 struct ib_cc_congestion_entry entries[IB_CC_CCS_ENTRIES];246} __packed;247 248struct ib_cc_congestion_setting_attr_shadow {249 u16 port_control;250 u16 control_map;251 struct ib_cc_congestion_entry_shadow entries[IB_CC_CCS_ENTRIES];252} __packed;253 254#define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT 1255#define IB_CC_TABLE_ENTRY_TIMER_DEFAULT 1256 257/* 64 Congestion Control table entries in a single MAD */258#define IB_CCT_ENTRIES 64259#define IB_CCT_MIN_ENTRIES (IB_CCT_ENTRIES * 2)260 261struct ib_cc_table_entry {262 __be16 entry; /* shift:2, multiplier:14 */263};264 265struct ib_cc_table_entry_shadow {266 u16 entry; /* shift:2, multiplier:14 */267};268 269struct ib_cc_table_attr {270 __be16 ccti_limit; /* max CCTI for cc table */271 struct ib_cc_table_entry ccti_entries[IB_CCT_ENTRIES];272} __packed;273 274struct ib_cc_table_attr_shadow {275 u16 ccti_limit; /* max CCTI for cc table */276 struct ib_cc_table_entry_shadow ccti_entries[IB_CCT_ENTRIES];277} __packed;278 279#define CC_TABLE_SHADOW_MAX \280 (IB_CC_TABLE_CAP_DEFAULT * IB_CCT_ENTRIES)281 282struct cc_table_shadow {283 u16 ccti_last_entry;284 struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX];285} __packed;286 287/*288 * The PortSamplesControl.CounterMasks field is an array of 3 bit fields289 * which specify the N'th counter's capabilities. See ch. 16.1.3.2.290 * We support 5 counters which only count the mandatory quantities.291 */292#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))293#define COUNTER_MASK0_9 \294 cpu_to_be32(COUNTER_MASK(1, 0) | \295 COUNTER_MASK(1, 1) | \296 COUNTER_MASK(1, 2) | \297 COUNTER_MASK(1, 3) | \298 COUNTER_MASK(1, 4))299 300#endif /* _QIB_MAD_H */301