301 lines
8.5 KiB
C
301 lines
8.5 KiB
C
/*
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* Copyright (c) 2012 Intel Corporation. All rights reserved.
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* Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
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* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _QIB_MAD_H
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#define _QIB_MAD_H
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#include <rdma/ib_pma.h>
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#define IB_SMP_UNSUP_VERSION \
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cpu_to_be16(IB_MGMT_MAD_STATUS_BAD_VERSION)
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#define IB_SMP_UNSUP_METHOD \
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cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD)
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#define IB_SMP_UNSUP_METH_ATTR \
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cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB)
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#define IB_SMP_INVALID_FIELD \
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cpu_to_be16(IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE)
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#define IB_VLARB_LOWPRI_0_31 1
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#define IB_VLARB_LOWPRI_32_63 2
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#define IB_VLARB_HIGHPRI_0_31 3
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#define IB_VLARB_HIGHPRI_32_63 4
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#define IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00)
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struct ib_pma_portcounters_cong {
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u8 reserved;
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u8 reserved1;
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__be16 port_check_rate;
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__be16 symbol_error_counter;
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u8 link_error_recovery_counter;
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u8 link_downed_counter;
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__be16 port_rcv_errors;
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__be16 port_rcv_remphys_errors;
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__be16 port_rcv_switch_relay_errors;
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__be16 port_xmit_discards;
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u8 port_xmit_constraint_errors;
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u8 port_rcv_constraint_errors;
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u8 reserved2;
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u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
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__be16 reserved3;
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__be16 vl15_dropped;
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__be64 port_xmit_data;
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__be64 port_rcv_data;
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__be64 port_xmit_packets;
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__be64 port_rcv_packets;
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__be64 port_xmit_wait;
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__be64 port_adr_events;
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} __packed;
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#define IB_PMA_CONG_HW_CONTROL_TIMER 0x00
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#define IB_PMA_CONG_HW_CONTROL_SAMPLE 0x01
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#define QIB_XMIT_RATE_UNSUPPORTED 0x0
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#define QIB_XMIT_RATE_PICO 0x7
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/* number of 4nsec cycles equaling 2secs */
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#define QIB_CONG_TIMER_PSINTERVAL 0x1DCD64EC
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#define IB_PMA_SEL_CONG_ALL 0x01
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#define IB_PMA_SEL_CONG_PORT_DATA 0x02
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#define IB_PMA_SEL_CONG_XMIT 0x04
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#define IB_PMA_SEL_CONG_ROUTING 0x08
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/*
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* Congestion control class attributes
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*/
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#define IB_CC_ATTR_CLASSPORTINFO cpu_to_be16(0x0001)
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#define IB_CC_ATTR_NOTICE cpu_to_be16(0x0002)
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#define IB_CC_ATTR_CONGESTION_INFO cpu_to_be16(0x0011)
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#define IB_CC_ATTR_CONGESTION_KEY_INFO cpu_to_be16(0x0012)
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#define IB_CC_ATTR_CONGESTION_LOG cpu_to_be16(0x0013)
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#define IB_CC_ATTR_SWITCH_CONGESTION_SETTING cpu_to_be16(0x0014)
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#define IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING cpu_to_be16(0x0015)
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#define IB_CC_ATTR_CA_CONGESTION_SETTING cpu_to_be16(0x0016)
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#define IB_CC_ATTR_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0017)
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#define IB_CC_ATTR_TIME_STAMP cpu_to_be16(0x0018)
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/* generalizations for threshold values */
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#define IB_CC_THRESHOLD_NONE 0x0
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#define IB_CC_THRESHOLD_MIN 0x1
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#define IB_CC_THRESHOLD_MAX 0xf
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/* CCA MAD header constants */
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#define IB_CC_MAD_LOGDATA_LEN 32
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#define IB_CC_MAD_MGMTDATA_LEN 192
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struct ib_cc_mad {
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u8 base_version;
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u8 mgmt_class;
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u8 class_version;
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u8 method;
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__be16 status;
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__be16 class_specific;
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__be64 tid;
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__be16 attr_id;
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__be16 resv;
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__be32 attr_mod;
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__be64 cckey;
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/* For CongestionLog attribute only */
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u8 log_data[IB_CC_MAD_LOGDATA_LEN];
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u8 mgmt_data[IB_CC_MAD_MGMTDATA_LEN];
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} __packed;
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/*
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* Congestion Control class portinfo capability mask bits
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*/
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#define IB_CC_CPI_CM_TRAP_GEN cpu_to_be16(1 << 0)
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#define IB_CC_CPI_CM_GET_SET_NOTICE cpu_to_be16(1 << 1)
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#define IB_CC_CPI_CM_CAP2 cpu_to_be16(1 << 2)
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#define IB_CC_CPI_CM_ENHANCEDPORT0_CC cpu_to_be16(1 << 8)
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struct ib_cc_classportinfo_attr {
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u8 base_version;
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u8 class_version;
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__be16 cap_mask;
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u8 reserved[3];
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u8 resp_time_value; /* only lower 5 bits */
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union ib_gid redirect_gid;
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__be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */
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__be16 redirect_lid;
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__be16 redirect_pkey;
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__be32 redirect_qp; /* only lower 24 bits */
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__be32 redirect_qkey;
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union ib_gid trap_gid;
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__be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */
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__be16 trap_lid;
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__be16 trap_pkey;
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__be32 trap_hl_qp; /* 8, 24 bits respectively */
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__be32 trap_qkey;
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} __packed;
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/* Congestion control traps */
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#define IB_CC_TRAP_KEY_VIOLATION 0x0000
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struct ib_cc_trap_key_violation_attr {
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__be16 source_lid;
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u8 method;
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u8 reserved1;
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__be16 attrib_id;
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__be32 attrib_mod;
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__be32 qp;
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__be64 cckey;
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u8 sgid[16];
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u8 padding[24];
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} __packed;
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/* Congestion info flags */
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#define IB_CC_CI_FLAGS_CREDIT_STARVATION 0x1
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#define IB_CC_TABLE_CAP_DEFAULT 31
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struct ib_cc_info_attr {
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__be16 congestion_info;
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u8 control_table_cap; /* Multiple of 64 entry unit CCTs */
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} __packed;
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struct ib_cc_key_info_attr {
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__be64 cckey;
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u8 protect;
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__be16 lease_period;
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__be16 violations;
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} __packed;
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#define IB_CC_CL_CA_LOGEVENTS_LEN 208
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struct ib_cc_log_attr {
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u8 log_type;
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u8 congestion_flags;
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__be16 threshold_event_counter;
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__be16 threshold_congestion_event_map;
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__be16 current_time_stamp;
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u8 log_events[IB_CC_CL_CA_LOGEVENTS_LEN];
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} __packed;
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#define IB_CC_CLEC_SERVICETYPE_RC 0x0
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#define IB_CC_CLEC_SERVICETYPE_UC 0x1
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#define IB_CC_CLEC_SERVICETYPE_RD 0x2
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#define IB_CC_CLEC_SERVICETYPE_UD 0x3
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struct ib_cc_log_event {
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u8 local_qp_cn_entry;
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u8 remote_qp_number_cn_entry[3];
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u8 sl_cn_entry:4;
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u8 service_type_cn_entry:4;
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__be32 remote_lid_cn_entry;
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__be32 timestamp_cn_entry;
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} __packed;
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/* Sixteen congestion entries */
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#define IB_CC_CCS_ENTRIES 16
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/* Port control flags */
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#define IB_CC_CCS_PC_SL_BASED 0x01
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struct ib_cc_congestion_entry {
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u8 ccti_increase;
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__be16 ccti_timer;
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u8 trigger_threshold;
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u8 ccti_min; /* min CCTI for cc table */
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} __packed;
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struct ib_cc_congestion_entry_shadow {
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u8 ccti_increase;
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u16 ccti_timer;
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u8 trigger_threshold;
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u8 ccti_min; /* min CCTI for cc table */
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} __packed;
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struct ib_cc_congestion_setting_attr {
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__be16 port_control;
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__be16 control_map;
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struct ib_cc_congestion_entry entries[IB_CC_CCS_ENTRIES];
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} __packed;
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struct ib_cc_congestion_setting_attr_shadow {
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u16 port_control;
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u16 control_map;
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struct ib_cc_congestion_entry_shadow entries[IB_CC_CCS_ENTRIES];
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} __packed;
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#define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT 1
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#define IB_CC_TABLE_ENTRY_TIMER_DEFAULT 1
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/* 64 Congestion Control table entries in a single MAD */
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#define IB_CCT_ENTRIES 64
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#define IB_CCT_MIN_ENTRIES (IB_CCT_ENTRIES * 2)
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struct ib_cc_table_entry {
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__be16 entry; /* shift:2, multiplier:14 */
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};
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struct ib_cc_table_entry_shadow {
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u16 entry; /* shift:2, multiplier:14 */
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};
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struct ib_cc_table_attr {
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__be16 ccti_limit; /* max CCTI for cc table */
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struct ib_cc_table_entry ccti_entries[IB_CCT_ENTRIES];
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} __packed;
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struct ib_cc_table_attr_shadow {
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u16 ccti_limit; /* max CCTI for cc table */
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struct ib_cc_table_entry_shadow ccti_entries[IB_CCT_ENTRIES];
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} __packed;
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#define CC_TABLE_SHADOW_MAX \
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(IB_CC_TABLE_CAP_DEFAULT * IB_CCT_ENTRIES)
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struct cc_table_shadow {
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u16 ccti_last_entry;
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struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX];
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} __packed;
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/*
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* The PortSamplesControl.CounterMasks field is an array of 3 bit fields
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* which specify the N'th counter's capabilities. See ch. 16.1.3.2.
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* We support 5 counters which only count the mandatory quantities.
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*/
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#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
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#define COUNTER_MASK0_9 \
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cpu_to_be32(COUNTER_MASK(1, 0) | \
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COUNTER_MASK(1, 1) | \
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COUNTER_MASK(1, 2) | \
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COUNTER_MASK(1, 3) | \
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COUNTER_MASK(1, 4))
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#endif /* _QIB_MAD_H */
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