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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/generic/memory/lib/utils/pos.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2019 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @file pos.H
/// @brief Tools to return target's position from a fapi2 target
///
// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com>
// *HWP HWP Backup: Louis Stermole <stermole@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: HB:FSP
#ifndef _MSS_POS_H_
#define _MSS_POS_H_
#include <fapi2.H>
#include <generic/memory/lib/utils/shared/mss_generic_consts.H>
///
/// @brief Trait classes for the mss::pos functions
///
template<fapi2::TargetType T>
class posTraits
{
public:
// Needed as some targets have chip_unit_pos attributes,
// uint8_t and some attr_pos, uint32_t. We don't really care
// but the type checking in the macros sure does ...
typedef uint8_t pos_type;
};
///
/// @brief DIMM Trait class for the mss::pos functions
///
template<>
class posTraits<fapi2::TARGET_TYPE_DIMM>
{
public:
typedef uint32_t pos_type;
};
///
/// @brief Processor Trait class for the mss::pos functions
///
template<>
class posTraits<fapi2::TARGET_TYPE_PROC_CHIP>
{
public:
typedef uint32_t pos_type;
};
namespace mss
{
///
/// @brief Return a target's position from a fapi2 target
/// @tparam T the fapi2::TargetType
/// @param[in] i_target a target representing the target in question
/// @return The position relative to the chip
///
template< fapi2::TargetType T, typename TT = posTraits<T> >
inline typename TT::pos_type pos(const fapi2::Target<T>& i_target)
{
typename TT::pos_type l_pos = 0;
// Don't use FAPI_TRY as you'll mess up fapi2::current_err which
// limits where this can be used.
if (FAPI_ATTR_GET(fapi2::ATTR_CHIP_UNIT_POS, i_target, l_pos) != fapi2::FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
return l_pos;
fapi_try_exit:
// If we can't get our unit position, we're in other trouble
FAPI_ERR("can't get our chip unit position");
fapi2::Assert(false);
return 0;
}
///
/// @brief Return a processor's position from a fapi2 target
/// @param[in] i_target a target representing the target in question
/// @return The position relative to the chip
///
template<>
inline posTraits<fapi2::TARGET_TYPE_PROC_CHIP>::pos_type
pos(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target)
{
posTraits<fapi2::TARGET_TYPE_PROC_CHIP>::pos_type l_pos = 0;
if (FAPI_ATTR_GET(fapi2::ATTR_POS, i_target, l_pos) != fapi2::FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
return l_pos;
fapi_try_exit:
// If we can't get our position, we're in other trouble
FAPI_ERR("can't get our position");
fapi2::Assert(false);
return 0;
}
///
/// @brief Return a DIMM's position from a fapi2 target
/// @param[in] i_target a target representing the target in question
/// @return The position relative to the chip
/// @warning assumes this attr is already set after pre_eff_config
///
inline posTraits<fapi2::TARGET_TYPE_DIMM>::pos_type
pos(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target)
{
posTraits<fapi2::TARGET_TYPE_DIMM>::pos_type l_pos = 0;
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_MEM_DIMM_POS_METADATA, i_target, l_pos));
return l_pos;
fapi_try_exit:
// If we can't get our position, we're in other trouble
FAPI_ERR("can't get our dimm position");
fapi2::Assert(false);
return 0;
}
///
/// @brief Return a target's relative position from a fapi2 target
/// @tparam R the fapi2::TargetType we want the position relative to
/// @tparam T the fapi2::TargetType
/// @param[in] i_target a target representing the target in question
/// @return The position relative to chiplet R
///
template< fapi2::TargetType R, fapi2::TargetType T, typename TT = posTraits<T> >
typename TT::pos_type relative_pos(const fapi2::Target<T>& i_target);
///
/// @brief Return a target's fapi position from a fapi2 target
/// @tparam T the fapi2::TargetType
/// @param[in] i_target a target representing the target in question
/// @return The position relative to the system
///
template< fapi2::TargetType T, typename TT = posTraits<T> >
inline uint32_t fapi_pos(const fapi2::Target<T>& i_target)
{
uint32_t l_pos = 0;
// Don't use FAPI_TRY as you'll mess up fapi2::current_err which
// limits where this can be used.
if (FAPI_ATTR_GET(fapi2::ATTR_FAPI_POS, i_target, l_pos) != fapi2::FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
return l_pos;
fapi_try_exit:
// If we can't get our fapi position, we're in other trouble
FAPI_ERR("can't get our fapi position");
fapi2::Assert(false);
return 0;
}
}
#endif
|
