drivers/infiniband/hw/qib/qib_mad.h - kernel/msm-4.19 - Gitiles

 /*
  * 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(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)

 struct ib_node_info {
 	u8 base_version;
 	u8 class_version;
 	u8 node_type;
 	u8 num_ports;
 	__be64 sys_guid;
 	__be64 node_guid;
 	__be64 port_guid;
 	__be16 partition_cap;
 	__be16 device_id;
 	__be32 revision;
 	u8 local_port_num;
 	u8 vendor_id[3];
 } __attribute__ ((packed));

 struct ib_mad_notice_attr {
 	u8 generic_type;
 	u8 prod_type_msb;
 	__be16 prod_type_lsb;
 	__be16 trap_num;
 	__be16 issuer_lid;
 	__be16 toggle_count;

 	union {
 		struct {
 			u8	details[54];
 		} raw_data;

 		struct {
 			__be16	reserved;
 			__be16	lid;		/* where violation happened */
 			u8	port_num;	/* where violation happened */
 		} __attribute__ ((packed)) ntc_129_131;

 		struct {
 			__be16	reserved;
 			__be16	lid;		/* LID where change occurred */
 			u8	reserved2;
 			u8	local_changes;	/* low bit - local changes */
 			__be32	new_cap_mask;	/* new capability mask */
 			u8	reserved3;
 			u8	change_flags;	/* low 3 bits only */
 		} __attribute__ ((packed)) ntc_144;

 		struct {
 			__be16	reserved;
 			__be16	lid;		/* lid where sys guid changed */
 			__be16	reserved2;
 			__be64	new_sys_guid;
 		} __attribute__ ((packed)) ntc_145;

 		struct {
 			__be16	reserved;
 			__be16	lid;
 			__be16	dr_slid;
 			u8	method;
 			u8	reserved2;
 			__be16	attr_id;
 			__be32	attr_mod;
 			__be64	mkey;
 			u8	reserved3;
 			u8	dr_trunc_hop;
 			u8	dr_rtn_path[30];
 		} __attribute__ ((packed)) ntc_256;

 		struct {
 			__be16		reserved;
 			__be16		lid1;
 			__be16		lid2;
 			__be32		key;
 			__be32		sl_qp1;	/* SL: high 4 bits */
 			__be32		qp2;	/* high 8 bits reserved */
 			union ib_gid	gid1;
 			union ib_gid	gid2;
 		} __attribute__ ((packed)) ntc_257_258;

 	} details;
 };

 /*
  * Generic trap/notice types
  */
 #define IB_NOTICE_TYPE_FATAL	0x80
 #define IB_NOTICE_TYPE_URGENT	0x81
 #define IB_NOTICE_TYPE_SECURITY	0x82
 #define IB_NOTICE_TYPE_SM	0x83
 #define IB_NOTICE_TYPE_INFO	0x84

 /*
  * Generic trap/notice producers
  */
 #define IB_NOTICE_PROD_CA		cpu_to_be16(1)
 #define IB_NOTICE_PROD_SWITCH		cpu_to_be16(2)
 #define IB_NOTICE_PROD_ROUTER		cpu_to_be16(3)
 #define IB_NOTICE_PROD_CLASS_MGR	cpu_to_be16(4)

 /*
  * Generic trap/notice numbers
  */
 #define IB_NOTICE_TRAP_LLI_THRESH	cpu_to_be16(129)
 #define IB_NOTICE_TRAP_EBO_THRESH	cpu_to_be16(130)
 #define IB_NOTICE_TRAP_FLOW_UPDATE	cpu_to_be16(131)
 #define IB_NOTICE_TRAP_CAP_MASK_CHG	cpu_to_be16(144)
 #define IB_NOTICE_TRAP_SYS_GUID_CHG	cpu_to_be16(145)
 #define IB_NOTICE_TRAP_BAD_MKEY		cpu_to_be16(256)
 #define IB_NOTICE_TRAP_BAD_PKEY		cpu_to_be16(257)
 #define IB_NOTICE_TRAP_BAD_QKEY		cpu_to_be16(258)

 /*
  * Repress trap/notice flags
  */
 #define IB_NOTICE_REPRESS_LLI_THRESH	(1 << 0)
 #define IB_NOTICE_REPRESS_EBO_THRESH	(1 << 1)
 #define IB_NOTICE_REPRESS_FLOW_UPDATE	(1 << 2)
 #define IB_NOTICE_REPRESS_CAP_MASK_CHG	(1 << 3)
 #define IB_NOTICE_REPRESS_SYS_GUID_CHG	(1 << 4)
 #define IB_NOTICE_REPRESS_BAD_MKEY	(1 << 5)
 #define IB_NOTICE_REPRESS_BAD_PKEY	(1 << 6)
 #define IB_NOTICE_REPRESS_BAD_QKEY	(1 << 7)

 /*
  * Generic trap/notice other local changes flags (trap 144).
  */
 #define IB_NOTICE_TRAP_LSE_CHG		0x04	/* Link Speed Enable changed */
 #define IB_NOTICE_TRAP_LWE_CHG		0x02	/* Link Width Enable changed */
 #define IB_NOTICE_TRAP_NODE_DESC_CHG	0x01

 /*
  * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
  */
 #define IB_NOTICE_TRAP_DR_NOTICE	0x80
 #define IB_NOTICE_TRAP_DR_TRUNC		0x40

 struct ib_vl_weight_elem {
 	u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
 	u8      weight;
 };

 #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;
 } __attribute__ ((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;

 #endif				/* _QIB_MAD_H */
 /*
  * 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))
	/*
	* 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(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)

	struct ib_node_info {
	u8 base_version;
	u8 class_version;
	u8 node_type;
	u8 num_ports;
	__be64 sys_guid;
	__be64 node_guid;
	__be64 port_guid;
	__be16 partition_cap;
	__be16 device_id;
	__be32 revision;
	u8 local_port_num;
	u8 vendor_id[3];
	} __attribute__ ((packed));

	struct ib_mad_notice_attr {
	u8 generic_type;
	u8 prod_type_msb;
	__be16 prod_type_lsb;
	__be16 trap_num;
	__be16 issuer_lid;
	__be16 toggle_count;

	union {
	struct {
	u8 details[54];
	} raw_data;

	struct {
	__be16 reserved;
	__be16 lid; /* where violation happened */
	u8 port_num; /* where violation happened */
	} __attribute__ ((packed)) ntc_129_131;

	struct {
	__be16 reserved;
	__be16 lid; /* LID where change occurred */
	u8 reserved2;
	u8 local_changes; /* low bit - local changes */
	__be32 new_cap_mask; /* new capability mask */
	u8 reserved3;
	u8 change_flags; /* low 3 bits only */
	} __attribute__ ((packed)) ntc_144;

	struct {
	__be16 reserved;
	__be16 lid; /* lid where sys guid changed */
	__be16 reserved2;
	__be64 new_sys_guid;
	} __attribute__ ((packed)) ntc_145;

	struct {
	__be16 reserved;
	__be16 lid;
	__be16 dr_slid;
	u8 method;
	u8 reserved2;
	__be16 attr_id;
	__be32 attr_mod;
	__be64 mkey;
	u8 reserved3;
	u8 dr_trunc_hop;
	u8 dr_rtn_path[30];
	} __attribute__ ((packed)) ntc_256;

	struct {
	__be16 reserved;
	__be16 lid1;
	__be16 lid2;
	__be32 key;
	__be32 sl_qp1; /* SL: high 4 bits */
	__be32 qp2; /* high 8 bits reserved */
	union ib_gid gid1;
	union ib_gid gid2;
	} __attribute__ ((packed)) ntc_257_258;

	} details;
	};

	/*
	* Generic trap/notice types
	*/
	#define IB_NOTICE_TYPE_FATAL 0x80
	#define IB_NOTICE_TYPE_URGENT 0x81
	#define IB_NOTICE_TYPE_SECURITY 0x82
	#define IB_NOTICE_TYPE_SM 0x83
	#define IB_NOTICE_TYPE_INFO 0x84

	/*
	* Generic trap/notice producers
	*/
	#define IB_NOTICE_PROD_CA cpu_to_be16(1)
	#define IB_NOTICE_PROD_SWITCH cpu_to_be16(2)
	#define IB_NOTICE_PROD_ROUTER cpu_to_be16(3)
	#define IB_NOTICE_PROD_CLASS_MGR cpu_to_be16(4)

	/*
	* Generic trap/notice numbers
	*/
	#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
	#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
	#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
	#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
	#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
	#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
	#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
	#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)

	/*
	* Repress trap/notice flags
	*/
	#define IB_NOTICE_REPRESS_LLI_THRESH (1 << 0)
	#define IB_NOTICE_REPRESS_EBO_THRESH (1 << 1)
	#define IB_NOTICE_REPRESS_FLOW_UPDATE (1 << 2)
	#define IB_NOTICE_REPRESS_CAP_MASK_CHG (1 << 3)
	#define IB_NOTICE_REPRESS_SYS_GUID_CHG (1 << 4)
	#define IB_NOTICE_REPRESS_BAD_MKEY (1 << 5)
	#define IB_NOTICE_REPRESS_BAD_PKEY (1 << 6)
	#define IB_NOTICE_REPRESS_BAD_QKEY (1 << 7)

	/*
	* Generic trap/notice other local changes flags (trap 144).
	*/
	#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
	#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
	#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01

	/*
	* Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
	*/
	#define IB_NOTICE_TRAP_DR_NOTICE 0x80
	#define IB_NOTICE_TRAP_DR_TRUNC 0x40

	struct ib_vl_weight_elem {
	u8 vl; /* Only low 4 bits, upper 4 bits reserved */
	u8 weight;
	};

	#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;
	} __attribute__ ((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;

	#endif /* _QIB_MAD_H */
	/*
	* 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))