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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/p9_mss_bulk_pwr_throttles.C $ */
/* */
/* 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 p9_mss_bulk_pwr_throttles.C
/// @brief Set the throttle attributes based on a power limit for the dimms on the channel pair
///
// *HWP HWP Owner: Andre A. Marin <aamarin@us.ibm.com>
// *HWP HWP Backup: Louis Stermole <stermole@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: FSP:HB
#include <lib/shared/nimbus_defaults.H>
#include <vector>
#include <fapi2.H>
#include <p9_mss_bulk_pwr_throttles.H>
#include <lib/utils/nimbus_find.H>
#include <generic/memory/lib/utils/count_dimm.H>
#include <lib/power_thermal/throttle.H>
using fapi2::TARGET_TYPE_MCS;
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_DIMM;
extern "C"
{
// TK:LRDIMM Update power/thermal/throttling
///
/// @brief Set ATTR_MSS_PORT_MAXPOWER, ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_SLOT, ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_PORT
/// @param[in] i_targets vector of MCS's on the same VDDR domain
/// @param[in] i_throttle_type thermal boolean to determine whether to calculate throttles based on the power regulator or thermal limits
/// @return fapi2::ReturnCode - FAPI2_RC_SUCCESS iff get is OK
/// @note Called in p9_mss_bulk_pwr_throttles
/// @note determines the throttle levels based off of the port's power curve,
/// sets the slot throttles to the same
/// @note Enums are POWER for power egulator throttles and THERMAL for thermal throttles
/// @note equalizes the throttles to the lowest of runtime and the lowest slot-throttle value
///
fapi2::ReturnCode p9_mss_bulk_pwr_throttles( const std::vector< fapi2::Target<TARGET_TYPE_MCS> >& i_targets,
const mss::throttle_type i_throttle_type)
{
FAPI_INF("Start p9_mss_bulk_pwr_throttles for %s type throttling",
(( i_throttle_type == mss::throttle_type::THERMAL) ? "THERMAL" : "POWER"));
std::vector< fapi2::Target<fapi2::TARGET_TYPE_MCA> > l_exceeded_power;
for ( const auto& l_mcs : i_targets)
{
if (mss::count_dimm (l_mcs) == 0)
{
continue;
}
uint16_t l_slot [mss::PORTS_PER_MCS] = {};
uint16_t l_port [mss::PORTS_PER_MCS] = {};
uint32_t l_power [mss::PORTS_PER_MCS] = {};
for (const auto& l_mca : mss::find_targets<TARGET_TYPE_MCA>(l_mcs))
{
fapi2::ReturnCode l_rc = fapi2::FAPI2_RC_SUCCESS;
//Don't run if there are no dimms on the port
if (mss::count_dimm(l_mca) == 0)
{
continue;
}
const uint8_t l_pos = mss::index(l_mca);
mss::power_thermal::throttle<> l_pwr_struct(l_mca, l_rc);
FAPI_TRY(l_rc, "Error constructing mss:power_thermal::throttle object for target %s",
mss::c_str(l_mca));
//Let's do the actual work now
if ( i_throttle_type == mss::throttle_type::THERMAL)
{
FAPI_TRY (l_pwr_struct.thermal_throttles());
}
else
{
FAPI_TRY (l_pwr_struct.power_regulator_throttles());
}
l_slot[l_pos] = l_pwr_struct.iv_n_slot;
l_port[l_pos] = l_pwr_struct.iv_n_port;
l_power[l_pos] = l_pwr_struct.iv_calc_port_maxpower;
FAPI_INF("For target %s Calculated power is %d, throttle per slot is %d, throttle per port is %d",
mss::c_str(l_mca), l_power[l_pos], l_slot[l_pos], l_port[l_pos]);
}
FAPI_TRY(FAPI_ATTR_SET( fapi2::ATTR_MSS_PORT_MAXPOWER, l_mcs, l_power));
FAPI_TRY(FAPI_ATTR_SET( fapi2::ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_SLOT, l_mcs, l_slot));
FAPI_TRY(FAPI_ATTR_SET( fapi2::ATTR_MSS_MEM_THROTTLED_N_COMMANDS_PER_PORT, l_mcs, l_port));
}
// Set all of the throttles to the lowest value per port for performance reasons
FAPI_TRY(mss::power_thermal::equalize_throttles(i_targets, i_throttle_type, l_exceeded_power));
// Report any MCA that exceeded the max power limit, and return a failing RC if we have any
for (const auto& l_mca : l_exceeded_power)
{
FAPI_ERR("MCA %s estimated power exceeded the maximum allowed", mss::c_str(l_mca) );
fapi2::current_err = fapi2::FAPI2_RC_FALSE;
}
FAPI_INF("End bulk_pwr_throttles");
return fapi2::current_err;
fapi_try_exit:
FAPI_ERR("Error calculating bulk_pwr_throttles using %s throttling",
((i_throttle_type == mss::throttle_type::POWER) ? "power" : "thermal"));
return fapi2::current_err;
}
} //extern C
|
