linux/include/rdma/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.
*
* $Id: ib_smi.h 1389 2004-12-27 22:56:47Z roland $
*/
#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 __constant_htons(0x8000)
/* Subnet management attributes */
#define IB_SMP_ATTR_NOTICE __constant_htons(0x0002)
#define IB_SMP_ATTR_NODE_DESC __constant_htons(0x0010)
#define IB_SMP_ATTR_NODE_INFO __constant_htons(0x0011)
#define IB_SMP_ATTR_SWITCH_INFO __constant_htons(0x0012)
#define IB_SMP_ATTR_GUID_INFO __constant_htons(0x0014)
#define IB_SMP_ATTR_PORT_INFO __constant_htons(0x0015)
#define IB_SMP_ATTR_PKEY_TABLE __constant_htons(0x0016)
#define IB_SMP_ATTR_SL_TO_VL_TABLE __constant_htons(0x0017)
#define IB_SMP_ATTR_VL_ARB_TABLE __constant_htons(0x0018)
#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE __constant_htons(0x0019)
#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE __constant_htons(0x001A)
#define IB_SMP_ATTR_MCAST_FORWARD_TABLE __constant_htons(0x001B)
#define IB_SMP_ATTR_SM_INFO __constant_htons(0x0020)
#define IB_SMP_ATTR_VENDOR_DIAG __constant_htons(0x0030)
#define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031)
#define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00)
static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
}
#endif /* IB_SMI_H */