Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /*
* Copyright (c) 2014 Intel 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(OPA_SMI_H)
#define OPA_SMI_H
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#define OPA_SMP_LID_DATA_SIZE 2016
#define OPA_SMP_DR_DATA_SIZE 1872
#define OPA_SMP_MAX_PATH_HOPS 64
#define OPA_SMI_CLASS_VERSION 0x80
#define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)
struct opa_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;
union {
struct {
uint8_t data[OPA_SMP_LID_DATA_SIZE];
} lid;
struct {
__be32 dr_slid;
__be32 dr_dlid;
u8 initial_path[OPA_SMP_MAX_PATH_HOPS];
u8 return_path[OPA_SMP_MAX_PATH_HOPS];
u8 reserved[8];
u8 data[OPA_SMP_DR_DATA_SIZE];
} dr;
} route;
} __packed;
static inline u8
opa_get_smp_direction(struct opa_smp *smp)
{
return ib_get_smp_direction((struct ib_smp *)smp);
}
static inline u8 *opa_get_smp_data(struct opa_smp *smp)
{
if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
return smp->route.dr.data;
return smp->route.lid.data;
}
static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
{
if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
return sizeof(smp->route.dr.data);
return sizeof(smp->route.lid.data);
}
static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
{
if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
return sizeof(*smp) - sizeof(smp->route.dr.data);
return sizeof(*smp) - sizeof(smp->route.lid.data);
}
#endif /* OPA_SMI_H */
|