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1/*
2 * general power channel structures & definitions
3 *
4 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24#ifndef NVGPU_PMGR_PWRPOLICY_H
25#define NVGPU_PMGR_PWRPOLICY_H
26
27#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
28#include "boardobj/boardobjgrp.h"
29#include "boardobj/boardobj.h"
30#include "ctrl/ctrlpmgr.h"
31
32#define PWR_POLICY_EXT_POWER_STATE_ID_COUNT 0x4U
33
34enum pwr_policy_limit_id {
35 PWR_POLICY_LIMIT_ID_MIN = 0x00000000,
36 PWR_POLICY_LIMIT_ID_RATED,
37 PWR_POLICY_LIMIT_ID_MAX,
38 PWR_POLICY_LIMIT_ID_CURR,
39 PWR_POLICY_LIMIT_ID_BATT,
40};
41
42struct pwr_policy {
43 struct boardobj super;
44 u8 ch_idx;
45 u8 num_limit_inputs;
46 u8 limit_unit;
47 s32 limit_delta;
48 u32 limit_min;
49 u32 limit_rated;
50 u32 limit_max;
51 u32 limit_batt;
52 struct ctrl_pmgr_pwr_policy_info_integral integral;
53 struct ctrl_pmgr_pwr_policy_limit_arbitration limit_arb_min;
54 struct ctrl_pmgr_pwr_policy_limit_arbitration limit_arb_rated;
55 struct ctrl_pmgr_pwr_policy_limit_arbitration limit_arb_max;
56 struct ctrl_pmgr_pwr_policy_limit_arbitration limit_arb_batt;
57 struct ctrl_pmgr_pwr_policy_limit_arbitration limit_arb_curr;
58 u8 sample_mult;
59 enum ctrl_pmgr_pwr_policy_filter_type filter_type;
60 union ctrl_pmgr_pwr_policy_filter_param filter_param;
61};
62
63struct pwr_policy_ext_limit {
64 u8 policy_table_idx;
65 u32 limit;
66};
67
68struct pwr_policy_batt_workitem {
69 u32 power_state;
70 bool b_full_deflection;
71};
72
73struct pwr_policy_client_workitem {
74 u32 limit;
75 bool b_pending;
76};
77
78struct pwr_policy_relationship {
79 struct boardobj super;
80 u8 policy_idx;
81};
82
83struct pmgr_pwr_policy {
84 u8 version;
85 bool b_enabled;
86 struct nv_pmu_perf_domain_group_limits global_ceiling;
87 u8 policy_idxs[CTRL_PMGR_PWR_POLICY_IDX_NUM_INDEXES];
88 struct pwr_policy_ext_limit ext_limits[PWR_POLICY_EXT_POWER_STATE_ID_COUNT];
89 s32 ext_power_state;
90 u16 base_sample_period;
91 u16 min_client_sample_period;
92 u8 low_sampling_mult;
93 struct boardobjgrp_e32 pwr_policies;
94 struct boardobjgrp_e32 pwr_policy_rels;
95 struct boardobjgrp_e32 pwr_violations;
96 struct pwr_policy_client_workitem client_work_item;
97};
98
99struct pwr_policy_limit {
100 struct pwr_policy super;
101};
102
103struct pwr_policy_hw_threshold {
104 struct pwr_policy_limit super;
105 u8 threshold_idx;
106 u8 low_threshold_idx;
107 bool b_use_low_threshold;
108 u16 low_threshold_value;
109};
110
111struct pwr_policy_sw_threshold {
112 struct pwr_policy_limit super;
113 u8 threshold_idx;
114 u8 low_threshold_idx;
115 bool b_use_low_threshold;
116 u16 low_threshold_value;
117 u8 event_id;
118};
119
120union pwr_policy_data_union {
121 struct boardobj boardobj;
122 struct pwr_policy pwrpolicy;
123 struct pwr_policy_hw_threshold hw_threshold;
124 struct pwr_policy_sw_threshold sw_threshold;
125} ;
126
127#define PMGR_GET_PWR_POLICY(g, policy_idx) \
128 ((struct pwr_policy *)BOARDOBJGRP_OBJ_GET_BY_IDX( \
129 &(g->pmgr_pmu.pmgr_policyobjs.pwr_policies.super), (policy_idx)))
130
131#define PMGR_PWR_POLICY_INCREMENT_LIMIT_INPUT_COUNT(ppolicy) \
132 ((ppolicy)->num_limit_inputs++)
133
134int pmgr_policy_sw_setup(struct gk20a *g);
135
136#endif /* NVGPU_PMGR_PWRPOLICY_H */