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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/vpd/dimmPres.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 dimmPres.C
*
* @brief Implementation of the DIMM Presence detect.
*
*/
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <targeting/common/targetservice.H>
#include <devicefw/driverif.H>
#include <vpd/vpdreasoncodes.H>
#include <vpd/spdenums.H>
#include "spd.H"
// ----------------------------------------------
// Globals
// ----------------------------------------------
// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t * g_trac_spd;
// ------------------------
// Macros for unit testing
//#define TRACUCOMP(args...) TRACFCOMP(args)
#define TRACUCOMP(args...)
//#define TRACSSCOMP(args...) TRACFCOMP(args)
#define TRACSSCOMP(args...)
// ----------------------------------------------
// Defines
// ----------------------------------------------
namespace SPD
{
// Register the Presence detect code with the framework.
DEVICE_REGISTER_ROUTE( DeviceFW::READ,
DeviceFW::PRESENT,
TARGETING::TYPE_DIMM,
dimmPresenceDetect );
// ------------------------------------------------------------------
// dimmPresenceDetect
// ------------------------------------------------------------------
errlHndl_t dimmPresenceDetect( DeviceFW::OperationType i_opType,
TARGETING::Target * i_target,
void * io_buffer,
size_t & io_buflen,
int64_t i_accessType,
va_list i_args )
{
errlHndl_t err = NULL;
bool present = false;
size_t presentSz = sizeof(present);
TRACSSCOMP( g_trac_spd,
ENTER_MRK"dimmPresenceDetect()" );
do
{
// Check to be sure that the buffer is big enough.
if( !(io_buflen >= sizeof(bool)) )
{
TRACFCOMP( g_trac_spd,
ERR_MRK"dimmPresenceDetect() - Invalid Data Length: %d",
io_buflen );
/*@
* @errortype
* @reasoncode VPD::VPD_INSUFFICIENT_BUFFER_SIZE
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid VPD::VPD_SPD_PRESENCE_DETECT
* @userdata1 Buffer Length
* @userdata2 <UNUSED>
* @devdesc Buffer for checking Presence Detect was not the correct size.
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
VPD::VPD_SPD_PRESENCE_DETECT,
VPD::VPD_INSUFFICIENT_BUFFER_SIZE,
TO_UINT64(io_buflen),
0x0,
true /*Add HB Software Callout*/);
err->collectTrace( "SPD", 256);
break;
}
// Read Byte 2 (BASIC_MEMORY_TYPE) for the target passed in.
uint16_t data = 0x0;
size_t dataSz = sizeof(data);
err = deviceRead( i_target,
&data,
dataSz,
DEVICE_SPD_ADDRESS( SPD::BASIC_MEMORY_TYPE ) );
if( err )
{
// If an error is returned, the DIMM is not present.
present = false;
TRACUCOMP( g_trac_spd,
INFO_MRK"Dimm was found to be NOT present." );
// Delete the error
delete err;
err = NULL;
}
else
{
// DIMM is present...
present = true;
TRACUCOMP( g_trac_spd,
INFO_MRK"Dimm was found to be present." );
}
// copy present value into output buffer so caller can read it
memcpy( io_buffer, &present, presentSz );
io_buflen = presentSz;
} while( 0 );
TRACSSCOMP( g_trac_spd,
EXIT_MRK"dimmPresenceDetect()" );
return err;
} // end dimmPresenceDetect
}; // end namespace SPD
|
