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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwas/hostbootIstep.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2013 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
/**
* @file hostbootIstep.C
*
* @brief hostboot istep-called functions
*/
#include <hwas/common/hwas.H>
#include <hwas/common/hwasCommon.H>
#include <hwas/common/hwas_reasoncodes.H>
#include <hwas/hwasPlat.H>
#include <hwas/hostbootIstep.H>
#include <hwas/common/deconfigGard.H>
#include <fsi/fsiif.H>
#include <initservice/taskargs.H>
#include <initservice/isteps_trace.H>
#include <targeting/attrsync.H>
#include <diag/prdf/prdfMain.H>
#include <intr/interrupt.H>
namespace HWAS
{
// functions called from the istep dispatcher -- hostboot only
//******************************************************************************
// host_init_fsi function
//******************************************************************************
void* host_init_fsi( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_init_fsi entry" );
errlHndl_t errl = FSI::initializeHardware( );
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_init_fsi exit" );
return errl;
}
//******************************************************************************
// host_set_ipl_parms function
//******************************************************************************
void* host_set_ipl_parms( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_set_ipl_parms entry" );
errlHndl_t errl = NULL;
// stub -- nothing here currently
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_set_ipl_parms exit" );
return errl;
}
//******************************************************************************
// host_discover_targets function
//******************************************************************************
void* host_discover_targets( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_discover_targets entry" );
errlHndl_t errl = NULL;
// Check whether we're in MPIPL mode
using namespace TARGETING;
Target* l_pTopLevel = NULL;
targetService().getTopLevelTarget( l_pTopLevel );
if( l_pTopLevel == NULL )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Top level handle was NULL" );
/*@
* @errortype
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid HWAS::MOD_HOST_DISCOVER_TARGETS
* @reasoncode HWAS::RC_TOP_LEVEL_TARGET_NULL
* @devdesc Call to get top level targeting handle
* returned NULL
*/
errl = hwasError( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
HWAS::MOD_HOST_DISCOVER_TARGETS,
HWAS::RC_TOP_LEVEL_TARGET_NULL );
}
else
{
if (l_pTopLevel->getAttr<ATTR_IS_MPIPL_HB>())
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, "MPIPL mode");
// Sync attributes from Fsp
errl = syncAllAttributesFromFsp();
}
else
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, "Normal IPL mode");
errl = discoverTargets();
// also if SP doesn't support change detection, call
// function to do it here.
if (!errl &&
!l_pTopLevel->getAttr<ATTR_SP_FUNCTIONS>()
.hardwareChangeDetection)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"calling hwasChangeDetection");
errl = hwasChangeDetection();
}
}
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_discover_targets exit" );
return errl;
}
//******************************************************************************
// host_gard function
//******************************************************************************
void* host_gard( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_gard entry" );
errlHndl_t errl;
// Check whether we're in MPIPL mode
using namespace TARGETING;
Target* l_pTopLevel = NULL;
targetService().getTopLevelTarget( l_pTopLevel );
if( l_pTopLevel == NULL )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Top level handle was NULL" );
/*@
* @errortype
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid HWAS::MOD_HOST_GARD
* @reasoncode HWAS::RC_TOP_LEVEL_TARGET_NULL
* @devdesc Call to get top level targeting handle
* returned NULL
*/
errl = hwasError( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
HWAS::MOD_HOST_GARD,
HWAS::RC_TOP_LEVEL_TARGET_NULL );
}
else
{
if (l_pTopLevel->getAttr<ATTR_IS_MPIPL_HB>())
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, "MPIPL mode");
// we only want EX units to be processed
TARGETING::PredicateCTM l_exFilter(TARGETING::CLASS_UNIT,
TARGETING::TYPE_EX);
errl = collectGard(&l_exFilter);
}
else
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, "Normal IPL mode");
errl = collectGard();
// if no error,
if (errl == NULL)
{
// check and see if we still have enough hardware to continue
errl = checkMinimumHardware();
}
}
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_gard exit" );
return errl;
}
//******************************************************************************
// host_cancontinue_clear function
//******************************************************************************
void* host_cancontinue_clear( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_cancontinue_clear entry" );
errlHndl_t errl = NULL;
// stub -- nothing here currently
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_cancontinue_clear exit" );
return errl;
}
//******************************************************************************
// host_prd_hwreconfig function
//******************************************************************************
void* host_prd_hwreconfig( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_prd_hwreconfig entry" );
errlHndl_t errl = NULL;
// Call PRDF to remove non-function chips from its system model
errl = PRDF::refresh();
if (errl)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"host_prd_hwreconfig ERROR 0x%.8X returned from"
" call to PRDF::refresh", errl->reasonCode());
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_prd_hwreconfig exit" );
return errl;
}
//******************************************************************************
// host_stub function
//******************************************************************************
void* host_stub( void *io_pArgs )
{
errlHndl_t errl = NULL;
// no function required
return errl;
}
} // namespace HWAS
|
