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
|
/*
* Copyright (c) 2007-2009 NVIDIA Corporation.
* All rights reserved.
*
* 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.
*
* Neither the name of the NVIDIA Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef INCLUDED_NVRM_CONFIGURATION_H
#define INCLUDED_NVRM_CONFIGURATION_H
#include "nvcommon.h"
#include "nverror.h"
/**
* The RM configuration variables are represented by two structures:
* a configuration map, which lists all of the variables, their default
* values and types, and a struct of strings, which holds the runtime value of
* the variables. The map holds the index into the runtime structure.
*
*/
/**
* The configuration varible type.
*/
typedef enum
{
/* String should be parsed as a decimal */
NvRmCfgType_Decimal = 0,
/* String should be parsed as a hexadecimal */
NvRmCfgType_Hex = 1,
/* String should be parsed as a character */
NvRmCfgType_Char = 2,
/* String used as-is. */
NvRmCfgType_String = 3,
} NvRmCfgType;
/**
* The configuration map (all possible variables). The map must be
* null terminated. Each Rm instance (for each chip) can/will have
* different configuration maps.
*/
typedef struct NvRmCfgMap_t
{
const char *name;
NvRmCfgType type;
void *initial; /* default value of the variable */
void *offset; /* the index into the string structure */
} NvRmCfgMap;
/* helper macro for generating the offset for the map */
#define STRUCT_OFFSET( s, e ) (void *)(&(((s*)0)->e))
/* maximum size of a configuration variable */
#define NVRM_CFG_MAXLEN NVOS_PATH_MAX
/**
* get the default configuration variables.
*
* @param map The configuration map
* @param cfg The configuration runtime values
*/
NvError
NvRmPrivGetDefaultCfg( NvRmCfgMap *map, void *cfg );
/**
* get requested configuration.
*
* @param map The configuration map
* @param cfg The configuration runtime values
*
* Note: 'cfg' should have already been initialized with
* NvRmPrivGetDefaultCfg() before calling this.
*/
NvError
NvRmPrivReadCfgVars( NvRmCfgMap *map, void *cfg );
#endif
|