blob: 8d169c38ff6fa99a216bf2d2bcf0b4d92a9a1c7c (
plain)
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
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2011-2018, 2020-2021 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
/*
* Base kernel core availability APIs
*/
#ifndef _KBASE_PM_CA_H_
#define _KBASE_PM_CA_H_
/**
* kbase_pm_ca_init - Initialize core availability framework
*
* Must be called before calling any other core availability function
*
* @kbdev: The kbase device structure for the device (must be a valid pointer)
*
* Return: 0 if the core availability framework was successfully initialized,
* -errno otherwise
*/
int kbase_pm_ca_init(struct kbase_device *kbdev);
/**
* kbase_pm_ca_term - Terminate core availability framework
*
* @kbdev: The kbase device structure for the device (must be a valid pointer)
*/
void kbase_pm_ca_term(struct kbase_device *kbdev);
/**
* kbase_pm_ca_get_core_mask - Get currently available shaders core mask
*
* @kbdev: The kbase device structure for the device (must be a valid pointer)
*
* Returns a mask of the currently available shader cores.
* Calls into the core availability policy
*
* Return: The bit mask of available cores
*/
u64 kbase_pm_ca_get_core_mask(struct kbase_device *kbdev);
/**
* kbase_pm_ca_update_core_status - Update core status
*
* @kbdev: The kbase device structure for the device (must be
* a valid pointer)
* @cores_ready: The bit mask of cores ready for job submission
* @cores_transitioning: The bit mask of cores that are transitioning power
* state
*
* Update core availability policy with current core power status
*
* Calls into the core availability policy
*/
void kbase_pm_ca_update_core_status(struct kbase_device *kbdev, u64 cores_ready,
u64 cores_transitioning);
/**
* kbase_pm_ca_get_instr_core_mask - Get the PM state sync-ed shaders core mask
*
* @kbdev: The kbase device structure for the device (must be a valid pointer)
*
* Returns a mask of the PM state synchronised shader cores for arranging
* HW performance counter dumps
*
* Return: The bit mask of PM state synchronised cores
*/
u64 kbase_pm_ca_get_instr_core_mask(struct kbase_device *kbdev);
#endif /* _KBASE_PM_CA_H_ */
|
