ib_smi.h
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/*
* 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];
};
static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
}
#endif /* IB_SMI_H */