[linux.git] / include / rdma / 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 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
	3	* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
	4	* Copyright (c) 2004 Intel Corporation. All rights reserved.
	5	* Copyright (c) 2004 Topspin Corporation. All rights reserved.
	6	* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
	7	*
	8	* This software is available to you under a choice of one of two
	9	* licenses. You may choose to be licensed under the terms of the GNU
	10	* General Public License (GPL) Version 2, available from the file
	11	* COPYING in the main directory of this source tree, or the
	12	* OpenIB.org BSD license below:
	13	*
	14	* Redistribution and use in source and binary forms, with or
	15	* without modification, are permitted provided that the following
	16	* conditions are met:
	17	*
	18	* - Redistributions of source code must retain the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer.
	21	*
	22	* - Redistributions in binary form must reproduce the above
	23	* copyright notice, this list of conditions and the following
	24	* disclaimer in the documentation and/or other materials
	25	* provided with the distribution.
	26	*
	27	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	28	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	29	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	30	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	31	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	32	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	33	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	34	* SOFTWARE.
1da177e4 LT	35	*/
1da177e4 LT	36
4deccd6d	37	#if !defined(IB_SMI_H)
1da177e4 LT	38	#define IB_SMI_H
1da177e4 LT	39
a4d61e84	40	#include <rdma/ib_mad.h>
1da177e4	41
1da177e4 LT	42	#define IB_SMP_DATA_SIZE 64
	43	#define IB_SMP_MAX_PATH_HOPS 64
	44
	45	struct ib_smp {
	46	u8 base_version;
	47	u8 mgmt_class;
	48	u8 class_version;
	49	u8 method;
97f52eb4	50	__be16 status;
1da177e4 LT	51	u8 hop_ptr;
1da177e4 LT	52	u8 hop_cnt;
97f52eb4 SH	53	__be64 tid;
	54	__be16 attr_id;
	55	__be16 resv;
	56	__be32 attr_mod;
	57	__be64 mkey;
	58	__be16 dr_slid;
	59	__be16 dr_dlid;
1da177e4 LT	60	u8 reserved[28];
	61	u8 data[IB_SMP_DATA_SIZE];
	62	u8 initial_path[IB_SMP_MAX_PATH_HOPS];
	63	u8 return_path[IB_SMP_MAX_PATH_HOPS];
	64	} __attribute__ ((packed));
	65
9c3da099	66	#define IB_SMP_DIRECTION cpu_to_be16(0x8000)
1da177e4 LT	67
1da177e4 LT	68	/* Subnet management attributes */
9c3da099 HH	69	#define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002)
	70	#define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010)
	71	#define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011)
	72	#define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012)
	73	#define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014)
	74	#define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015)
	75	#define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016)
	76	#define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017)
	77	#define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018)
	78	#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019)
	79	#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A)
	80	#define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B)
	81	#define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020)
	82	#define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030)
	83	#define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031)
	84	#define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00)
1da177e4	85
da2ab62a LA	86	struct ib_port_info {
	87	__be64 mkey;
	88	__be64 gid_prefix;
	89	__be16 lid;
	90	__be16 sm_lid;
	91	__be32 cap_mask;
	92	__be16 diag_code;
	93	__be16 mkey_lease_period;
	94	u8 local_port_num;
	95	u8 link_width_enabled;
	96	u8 link_width_supported;
	97	u8 link_width_active;
	98	u8 linkspeed_portstate; /* 4 bits, 4 bits */
	99	u8 portphysstate_linkdown; /* 4 bits, 4 bits */
	100	u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
	101	u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
	102	u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
	103	u8 vlcap_inittype; /* 4 bits, 4 bits */
	104	u8 vl_high_limit;
	105	u8 vl_arb_high_cap;
	106	u8 vl_arb_low_cap;
	107	u8 inittypereply_mtucap; /* 4 bits, 4 bits */
	108	u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
	109	u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
	110	__be16 mkey_violations;
	111	__be16 pkey_violations;
	112	__be16 qkey_violations;
	113	u8 guid_cap;
	114	u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
	115	u8 resv_resptimevalue; /* 3 bits, 5 bits */
	116	u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
	117	__be16 max_credit_hint;
	118	u8 resv;
	119	u8 link_roundtrip_latency[3];
	120	};
	121
0629cb06 IW	122	struct ib_node_info {
	123	u8 base_version;
	124	u8 class_version;
	125	u8 node_type;
	126	u8 num_ports;
	127	__be64 sys_guid;
	128	__be64 node_guid;
	129	__be64 port_guid;
	130	__be16 partition_cap;
	131	__be16 device_id;
	132	__be32 revision;
	133	u8 local_port_num;
	134	u8 vendor_id[3];
	135	} __packed;
	136
	137	struct ib_vl_weight_elem {
	138	u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */
	139	/* OPA: VL is low 5 bits, upper 3 bits reserved */
	140	u8 weight;
	141	};
	142
1da177e4 LT	143	static inline u8
	144	ib_get_smp_direction(struct ib_smp *smp)
	145	{
	146	return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
	147	}
	148
0629cb06 IW	149	/*
	150	* SM Trap/Notice numbers
	151	*/
	152	#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
	153	#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
	154	#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
	155	#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
	156	#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
	157	#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
	158	#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
	159	#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)
	160
	161	/*
	162	* Other local changes flags (trap 144).
	163	*/
	164	#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
	165	#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
	166	#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01
	167
	168	/*
	169	* M_Key volation flags in dr_trunc_hop (trap 256).
	170	*/
	171	#define IB_NOTICE_TRAP_DR_NOTICE 0x80
	172	#define IB_NOTICE_TRAP_DR_TRUNC 0x40
	173
	174
1da177e4	175	#endif /* IB_SMI_H */