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/*
* Copyright (c) 2012 Intel Corporation. All rights reserved.
* Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _QIB_MAD_H
#define _QIB_MAD_H
#include <rdma/ib_pma.h>
#define IB_SMP_UNSUP_VERSION \
cpu_to_be16(IB_MGMT_MAD_STATUS_BAD_VERSION)
#define IB_SMP_UNSUP_METHOD \
cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD)
#define IB_SMP_UNSUP_METH_ATTR \
cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB)
#define IB_SMP_INVALID_FIELD \
cpu_to_be16(IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE)
#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 IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00)
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_PMA_CONG_HW_CONTROL_TIMER 0x00
#define IB_PMA_CONG_HW_CONTROL_SAMPLE 0x01
#define QIB_XMIT_RATE_UNSUPPORTED 0x0
#define QIB_XMIT_RATE_PICO 0x7
/* number of 4nsec cycles equaling 2secs */
#define QIB_CONG_TIMER_PSINTERVAL 0x1DCD64EC
#define IB_PMA_SEL_CONG_ALL 0x01
#define IB_PMA_SEL_CONG_PORT_DATA 0x02
#define IB_PMA_SEL_CONG_XMIT 0x04
#define IB_PMA_SEL_CONG_ROUTING 0x08
/*
* Congestion control class attributes
*/
#define IB_CC_ATTR_CLASSPORTINFO cpu_to_be16(0x0001)
#define IB_CC_ATTR_NOTICE cpu_to_be16(0x0002)
#define IB_CC_ATTR_CONGESTION_INFO cpu_to_be16(0x0011)
#define IB_CC_ATTR_CONGESTION_KEY_INFO cpu_to_be16(0x0012)
#define IB_CC_ATTR_CONGESTION_LOG cpu_to_be16(0x0013)
#define IB_CC_ATTR_SWITCH_CONGESTION_SETTING cpu_to_be16(0x0014)
#define IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING cpu_to_be16(0x0015)
#define IB_CC_ATTR_CA_CONGESTION_SETTING cpu_to_be16(0x0016)
#define IB_CC_ATTR_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0017)
#define IB_CC_ATTR_TIME_STAMP cpu_to_be16(0x0018)
/* generalizations for threshold values */
#define IB_CC_THRESHOLD_NONE 0x0
#define IB_CC_THRESHOLD_MIN 0x1
#define IB_CC_THRESHOLD_MAX 0xf
/* CCA MAD header constants */
#define IB_CC_MAD_LOGDATA_LEN 32
#define IB_CC_MAD_MGMTDATA_LEN 192
struct ib_cc_mad {
u8 base_version;
u8 mgmt_class;
u8 class_version;
u8 method;
__be16 status;
__be16 class_specific;
__be64 tid;
__be16 attr_id;
__be16 resv;
__be32 attr_mod;
__be64 cckey;
/* For CongestionLog attribute only */
u8 log_data[IB_CC_MAD_LOGDATA_LEN];
u8 mgmt_data[IB_CC_MAD_MGMTDATA_LEN];
} __packed;
/*
* Congestion Control class portinfo capability mask bits
*/
#define IB_CC_CPI_CM_TRAP_GEN cpu_to_be16(1 << 0)
#define IB_CC_CPI_CM_GET_SET_NOTICE cpu_to_be16(1 << 1)
#define IB_CC_CPI_CM_CAP2 cpu_to_be16(1 << 2)
#define IB_CC_CPI_CM_ENHANCEDPORT0_CC cpu_to_be16(1 << 8)
struct ib_cc_classportinfo_attr {
u8 base_version;
u8 class_version;
__be16 cap_mask;
u8 reserved[3];
u8 resp_time_value; /* only lower 5 bits */
union ib_gid redirect_gid;
__be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */
__be16 redirect_lid;
__be16 redirect_pkey;
__be32 redirect_qp; /* only lower 24 bits */
__be32 redirect_qkey;
union ib_gid trap_gid;
__be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */
__be16 trap_lid;
__be16 trap_pkey;
__be32 trap_hl_qp; /* 8, 24 bits respectively */
__be32 trap_qkey;
} __packed;
/* Congestion control traps */
#define IB_CC_TRAP_KEY_VIOLATION 0x0000
struct ib_cc_trap_key_violation_attr {
__be16 source_lid;
u8 method;
u8 reserved1;
__be16 attrib_id;
__be32 attrib_mod;
__be32 qp;
__be64 cckey;
u8 sgid[16];
u8 padding[24];
} __packed;
/* Congestion info flags */
#define IB_CC_CI_FLAGS_CREDIT_STARVATION 0x1
#define IB_CC_TABLE_CAP_DEFAULT 31
struct ib_cc_info_attr {
__be16 congestion_info;
u8 control_table_cap; /* Multiple of 64 entry unit CCTs */
} __packed;
struct ib_cc_key_info_attr {
__be64 cckey;
u8 protect;
__be16 lease_period;
__be16 violations;
} __packed;
#define IB_CC_CL_CA_LOGEVENTS_LEN 208
struct ib_cc_log_attr {
u8 log_type;
u8 congestion_flags;
__be16 threshold_event_counter;
__be16 threshold_congestion_event_map;
__be16 current_time_stamp;
u8 log_events[IB_CC_CL_CA_LOGEVENTS_LEN];
} __packed;
#define IB_CC_CLEC_SERVICETYPE_RC 0x0
#define IB_CC_CLEC_SERVICETYPE_UC 0x1
#define IB_CC_CLEC_SERVICETYPE_RD 0x2
#define IB_CC_CLEC_SERVICETYPE_UD 0x3
struct ib_cc_log_event {
u8 local_qp_cn_entry;
u8 remote_qp_number_cn_entry[3];
u8 sl_cn_entry:4;
u8 service_type_cn_entry:4;
__be32 remote_lid_cn_entry;
__be32 timestamp_cn_entry;
} __packed;
/* Sixteen congestion entries */
#define IB_CC_CCS_ENTRIES 16
/* Port control flags */
#define IB_CC_CCS_PC_SL_BASED 0x01
struct ib_cc_congestion_entry {
u8 ccti_increase;
__be16 ccti_timer;
u8 trigger_threshold;
u8 ccti_min; /* min CCTI for cc table */
} __packed;
struct ib_cc_congestion_entry_shadow {
u8 ccti_increase;
u16 ccti_timer;
u8 trigger_threshold;
u8 ccti_min; /* min CCTI for cc table */
} __packed;
struct ib_cc_congestion_setting_attr {
__be16 port_control;
__be16 control_map;
struct ib_cc_congestion_entry entries[IB_CC_CCS_ENTRIES];
} __packed;
struct ib_cc_congestion_setting_attr_shadow {
u16 port_control;
u16 control_map;
struct ib_cc_congestion_entry_shadow entries[IB_CC_CCS_ENTRIES];
} __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_last_entry;
struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX];
} __packed;
/*
* 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))
#endif /* _QIB_MAD_H */
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