summaryrefslogtreecommitdiffstats
path: root/src/usr/vpd/mvpd.C
blob: 2caedc7abad4dad935849856bbab75c72e2c5756 (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
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
/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/usr/vpd/mvpd.C $                                          */
/*                                                                        */
/* IBM CONFIDENTIAL                                                       */
/*                                                                        */
/* COPYRIGHT International Business Machines Corp. 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                                                     */
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <string.h>
#include <endian.h>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <targeting/common/targetservice.H>
#include <devicefw/driverif.H>
#include <vfs/vfs.H>
#include <vpd/vpdreasoncodes.H>
#include <vpd/mvpdenums.H>

#include "mvpd.H"
#include "ipvpd.H"
#include "vpd.H"

// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t* g_trac_vpd;

// ------------------------
// Macros for unit testing
//#define TRACUCOMP(args...)  TRACFCOMP(args)
#define TRACUCOMP(args...)
//#define TRACSSCOMP(args...)  TRACFCOMP(args)
#define TRACSSCOMP(args...)


namespace MVPD
{
// ----------------------------------------------
// Globals
// ----------------------------------------------
    mutex_t g_mutex = MUTEX_INITIALIZER;

    /**
     * @brief This function will perform the steps required to do a read from
     *      the Hostboot MVPD data.
     *
     * @param[in] i_opType - Operation Type - See DeviceFW::OperationType in
     *       driververif.H
     *
     * @param[in] i_target - Processor Target device
     *
     * @param [in/out] io_buffer - Pointer to the data that was read from
     *       the target device.  This parameter, when set to NULL, will return
     *       the keyword size value in io_buflen.
     *
     * @param [in/out] io_buflen - Length of the buffer to be read or written
     *       to/from the target.  This value should indicate the size of the
     *       io_buffer parameter that has been allocated.  Being returned it
     *       will indicate the number of valid bytes in the buffer being
     *       returned. This parameter will contain the size of a keyword when
     *       the io_buffer parameter is passed in NULL.
     *
     * @param [in] i_accessType - Access Type - See DeviceFW::AccessType in
     *       usrif.H
     *
     * @param [in] i_args - This is an argument list for the device driver
     *       framework.
     *
     * @return errlHndl_t - NULL if successful, otherwise a pointer to the
     *       error log.
     */
    errlHndl_t mvpdRead ( 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;
        IpVpdFacade::input_args_t args;
        args.record = ((mvpdRecord)va_arg( i_args, uint64_t ));
        args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t ));

        TRACSSCOMP( g_trac_vpd,
                    ENTER_MRK"mvpdRead()" );

        err = Singleton<MvpdFacade>::instance().read(i_target,
                                                  io_buffer,
                                                  io_buflen,
                                                  args);

        return err;
    }



    /**
     * @brief This function will perform the steps required to do a write to
     *      the Hostboot MVPD data.
     *
     * @param[in] i_opType - Operation Type - See DeviceFW::OperationType in
     *       driververif.H
     *
     * @param[in] i_target - Processor Target device
     *
     * @param [in/out] io_buffer - Pointer to the data that was read from
     *       the target device.  It will also be used to contain data to
     *       be written to the device.
     *
     * @param [in/out] io_buflen - Length of the buffer to be read or written
     *       to/from the target.  This value should indicate the size of the
     *       io_buffer parameter that has been allocated.  Being returned it
     *       will indicate the number of valid bytes in the buffer being
     *       returned.
     *
     * @param [in] i_accessType - Access Type - See DeviceFW::AccessType in
     *       usrif.H
     *
     * @param [in] i_args - This is an argument list for the device driver
     *       framework.
     *
     * @return errlHndl_t - NULL if successful, otherwise a pointer to the
     *       error log.
     */
    errlHndl_t mvpdWrite ( 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;
        IpVpdFacade::input_args_t args;
        args.record = ((mvpdRecord)va_arg( i_args, uint64_t ));
        args.keyword = ((mvpdKeyword)va_arg( i_args, uint64_t ));

        TRACSSCOMP( g_trac_vpd,
                    ENTER_MRK"mvpdWrite()" );

        err = Singleton<MvpdFacade>::instance().write(i_target,
                                                   io_buffer,
                                                   io_buflen,
                                                   args);

        return err;
    }

    // Register with the routing code
    DEVICE_REGISTER_ROUTE( DeviceFW::READ,
                           DeviceFW::MVPD,
                           TARGETING::TYPE_PROC,
                           mvpdRead );
    DEVICE_REGISTER_ROUTE( DeviceFW::WRITE,
                           DeviceFW::MVPD,
                           TARGETING::TYPE_PROC,
                           mvpdWrite );

}; // end MVPD namespace



//MVPD Class Functions
/**
 * @brief  Constructor
 */
MvpdFacade::MvpdFacade() :
IpVpdFacade(MVPD::SECTION_SIZE,
            MVPD::MAX_SECTIONS,
            MVPD::mvpdRecords,
            (sizeof(MVPD::mvpdRecords)/sizeof(MVPD::mvpdRecords[0])),
            MVPD::mvpdKeywords,
            (sizeof(MVPD::mvpdKeywords)/sizeof(MVPD::mvpdKeywords[0])),
            PNOR::MODULE_VPD,
            MVPD::g_mutex,
            VPD::VPD_WRITE_PROC)
{
    TRACUCOMP(g_trac_vpd, "MvpdFacade::MvpdFacade> " );
}
OpenPOWER on IntegriCloud