include/rdma/ib_smi.h - third_party/linux - Git at Google

 /*
  * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
  * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
  * Copyright (c) 2004 Intel Corporation.  All rights reserved.
  * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
  * Copyright (c) 2004 Voltaire Corporation.  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.
  */

 #if !defined(IB_SMI_H)
 #define IB_SMI_H

 #include <rdma/ib_mad.h>

 #define IB_SMP_DATA_SIZE			64
 #define IB_SMP_MAX_PATH_HOPS			64

 struct ib_smp {
 	u8	base_version;
 	u8	mgmt_class;
 	u8	class_version;
 	u8	method;
 	__be16	status;
 	u8	hop_ptr;
 	u8	hop_cnt;
 	__be64	tid;
 	__be16	attr_id;
 	__be16	resv;
 	__be32	attr_mod;
 	__be64	mkey;
 	__be16	dr_slid;
 	__be16	dr_dlid;
 	u8	reserved[28];
 	u8	data[IB_SMP_DATA_SIZE];
 	u8	initial_path[IB_SMP_MAX_PATH_HOPS];
 	u8	return_path[IB_SMP_MAX_PATH_HOPS];
 } __attribute__ ((packed));

 #define IB_SMP_DIRECTION			cpu_to_be16(0x8000)

 /* Subnet management attributes */
 #define IB_SMP_ATTR_NOTICE			cpu_to_be16(0x0002)
 #define IB_SMP_ATTR_NODE_DESC			cpu_to_be16(0x0010)
 #define IB_SMP_ATTR_NODE_INFO			cpu_to_be16(0x0011)
 #define IB_SMP_ATTR_SWITCH_INFO			cpu_to_be16(0x0012)
 #define IB_SMP_ATTR_GUID_INFO			cpu_to_be16(0x0014)
 #define IB_SMP_ATTR_PORT_INFO			cpu_to_be16(0x0015)
 #define IB_SMP_ATTR_PKEY_TABLE			cpu_to_be16(0x0016)
 #define IB_SMP_ATTR_SL_TO_VL_TABLE		cpu_to_be16(0x0017)
 #define IB_SMP_ATTR_VL_ARB_TABLE		cpu_to_be16(0x0018)
 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE	cpu_to_be16(0x0019)
 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE	cpu_to_be16(0x001A)
 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE		cpu_to_be16(0x001B)
 #define IB_SMP_ATTR_SM_INFO			cpu_to_be16(0x0020)
 #define IB_SMP_ATTR_VENDOR_DIAG			cpu_to_be16(0x0030)
 #define IB_SMP_ATTR_LED_INFO			cpu_to_be16(0x0031)
 #define IB_SMP_ATTR_VENDOR_MASK			cpu_to_be16(0xFF00)

 struct ib_port_info {
 	__be64 mkey;
 	__be64 gid_prefix;
 	__be16 lid;
 	__be16 sm_lid;
 	__be32 cap_mask;
 	__be16 diag_code;
 	__be16 mkey_lease_period;
 	u8 local_port_num;
 	u8 link_width_enabled;
 	u8 link_width_supported;
 	u8 link_width_active;
 	u8 linkspeed_portstate;			/* 4 bits, 4 bits */
 	u8 portphysstate_linkdown;		/* 4 bits, 4 bits */
 	u8 mkeyprot_resv_lmc;			/* 2 bits, 3, 3 */
 	u8 linkspeedactive_enabled;		/* 4 bits, 4 bits */
 	u8 neighbormtu_mastersmsl;		/* 4 bits, 4 bits */
 	u8 vlcap_inittype;			/* 4 bits, 4 bits */
 	u8 vl_high_limit;
 	u8 vl_arb_high_cap;
 	u8 vl_arb_low_cap;
 	u8 inittypereply_mtucap;		/* 4 bits, 4 bits */
 	u8 vlstallcnt_hoqlife;			/* 3 bits, 5 bits */
 	u8 operationalvl_pei_peo_fpi_fpo;	/* 4 bits, 1, 1, 1, 1 */
 	__be16 mkey_violations;
 	__be16 pkey_violations;
 	__be16 qkey_violations;
 	u8 guid_cap;
 	u8 clientrereg_resv_subnetto;		/* 1 bit, 2 bits, 5 */
 	u8 resv_resptimevalue;			/* 3 bits, 5 bits */
 	u8 localphyerrors_overrunerrors;	/* 4 bits, 4 bits */
 	__be16 max_credit_hint;
 	u8 resv;
 	u8 link_roundtrip_latency[3];
 };

 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];
 } __packed;

 struct ib_vl_weight_elem {
 	u8      vl;     /* IB: VL is low 4 bits, upper 4 bits reserved */
                         /* OPA: VL is low 5 bits, upper 3 bits reserved */
 	u8      weight;
 };

 static inline u8
 ib_get_smp_direction(struct ib_smp *smp)
 {
 	return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
 }

 /*
  * SM 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)

 /*
  * 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

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


 #endif /* IB_SMI_H */
	/*
	* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
	* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
	* Copyright (c) 2004 Intel Corporation. All rights reserved.
	* Copyright (c) 2004 Topspin Corporation. All rights reserved.
	* Copyright (c) 2004 Voltaire Corporation. 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.
	*/

	#if !defined(IB_SMI_H)
	#define IB_SMI_H

	#include <rdma/ib_mad.h>

	#define IB_SMP_DATA_SIZE 64
	#define IB_SMP_MAX_PATH_HOPS 64

	struct ib_smp {
	u8 base_version;
	u8 mgmt_class;
	u8 class_version;
	u8 method;
	__be16 status;
	u8 hop_ptr;
	u8 hop_cnt;
	__be64 tid;
	__be16 attr_id;
	__be16 resv;
	__be32 attr_mod;
	__be64 mkey;
	__be16 dr_slid;
	__be16 dr_dlid;
	u8 reserved[28];
	u8 data[IB_SMP_DATA_SIZE];
	u8 initial_path[IB_SMP_MAX_PATH_HOPS];
	u8 return_path[IB_SMP_MAX_PATH_HOPS];
	} __attribute__ ((packed));

	#define IB_SMP_DIRECTION cpu_to_be16(0x8000)

	/* Subnet management attributes */
	#define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002)
	#define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010)
	#define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011)
	#define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012)
	#define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014)
	#define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015)
	#define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016)
	#define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017)
	#define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018)
	#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019)
	#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A)
	#define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B)
	#define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020)
	#define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030)
	#define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031)
	#define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00)

	struct ib_port_info {
	__be64 mkey;
	__be64 gid_prefix;
	__be16 lid;
	__be16 sm_lid;
	__be32 cap_mask;
	__be16 diag_code;
	__be16 mkey_lease_period;
	u8 local_port_num;
	u8 link_width_enabled;
	u8 link_width_supported;
	u8 link_width_active;
	u8 linkspeed_portstate; /* 4 bits, 4 bits */
	u8 portphysstate_linkdown; /* 4 bits, 4 bits */
	u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
	u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
	u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
	u8 vlcap_inittype; /* 4 bits, 4 bits */
	u8 vl_high_limit;
	u8 vl_arb_high_cap;
	u8 vl_arb_low_cap;
	u8 inittypereply_mtucap; /* 4 bits, 4 bits */
	u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
	u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
	__be16 mkey_violations;
	__be16 pkey_violations;
	__be16 qkey_violations;
	u8 guid_cap;
	u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
	u8 resv_resptimevalue; /* 3 bits, 5 bits */
	u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
	__be16 max_credit_hint;
	u8 resv;
	u8 link_roundtrip_latency[3];
	};

	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];
	} __packed;

	struct ib_vl_weight_elem {
	u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */
	/* OPA: VL is low 5 bits, upper 3 bits reserved */
	u8 weight;
	};

	static inline u8
	ib_get_smp_direction(struct ib_smp *smp)
	{
	return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
	}

	/*
	* SM 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)

	/*
	* 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

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


	#endif /* IB_SMI_H */