summaryrefslogtreecommitdiffstats
path: root/src/include/usr/initservice/initserviceif.H
blob: 9825e041d1a9099ca6e3c0a881ef585cb6e3cc22 (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
/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/include/usr/initservice/initserviceif.H $                 */
/*                                                                        */
/* IBM CONFIDENTIAL                                                       */
/*                                                                        */
/* COPYRIGHT International Business Machines Corp. 2011,2013              */
/*                                                                        */
/* 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                                                     */
#ifndef __INITSERVICE_INITSERVICEIF_H
#define __INITSERVICE_INITSERVICEIF_H

#include <vmmconst.h>
#include <sys/msg.h>
#include    <targeting/common/commontargeting.H>
#include    <targeting/common/utilFilter.H>
#include    <targeting/namedtarget.H>
#include    <targeting/attrsync.H>

namespace INITSERVICE
{

    /**
     * Priority scheme, if needed
     */
    enum EventPriority_t
    {
        LOWEST_PRIORITY = 0,    //!<< Notifiy last, LIFO order
        INTR_PRIORITY   = LOWEST_PRIORITY, //!<< Shutdown INTR
        MBOX_PRIORITY   = 1,    //!<< Shutdown MBOX
        NO_PRIORITY = 16,       //!<< No dependency / dont' care, LIFO order
        HIGHEST_PRIORITY = 127, //!<< Nofity first, LIFO order
    };

/**
 * @brief Register a block/range of vitual memory to be handled during a
 *        shutdown.
 *
 * @param[in] i_vaddr - Base virtual address
 * @param[in] i_size - Size of virtual memory from base address
 * @param[in] i_priority - Order to handle given block(0-Lowest Priority)
 *
 * @return Nothing
 */
void registerBlock(void* i_vaddr, uint64_t i_size, BlockPriority i_priority);

/**
 * @brief Register a service to be notified during shutdown
 *
 * @param[in] i_msgQ, A message queue to send a message to on shutdown
 * @param[in] i_msgType, The message type to send.
 * @param[in] i_priority, See EventPriority
 * @return true - i_msgQ registered
 *         false - i_msgQ already registered. Not registered again.
 */
bool registerShutdownEvent(msg_q_t i_msgQ,
                           uint32_t i_msgType,
                           EventPriority_t i_priority = NO_PRIORITY);

/**
 * @brief Un register a service for a Shutdown event
 *
 * @param[in] i_msgQ, The message queue to be removed.
 *
 * @return true  - i_msgQ was removed from the event notification list. |
 *         false - i_msgQ was not registered in the event notification list.
 */
bool unregisterShutdownEvent(msg_q_t i_msgQ);

/**
 * @brief Perform necessary steps, such as FLUSHing, to registered blocks.
 *
 * @param[in] i_status - Shutdown status to be passed along on shutdown
 * @param[in] i_payload_base - The base address (target HRMOR) of the
 *                             payload.
 * @param[in] i_payload_entry - The offset from base address of the
 *                              payload entry-point.
 * @param[in] i_payload_data - Pointer to payload data (if needed)
 *
 * @return Nothing
 *
 * @note Never returns.
 */
void doShutdown ( uint64_t i_status,
                  uint64_t i_payload_base = 0,
                  uint64_t i_payload_entry = 0,
                  uint64_t i_payload_data = 0) NO_RETURN;


/**
 * @brief Creates a separate thread and calls doShutdown
 *
 * @param[in] i_status - Shutdown status to be passed along on shutdown
 *
 * @return Nothing
 *
 * @Note: added for errlmanager to call so errlmanager continues
 * to run in case there are errors in the shutdown path
 *
 */
void Shutdown( uint64_t i_status );

/**
 * @brief Returns if Service Processor Base Services are available
 *
 * If true then the Hostboot<->SP mailbox is enabled and HWSV is
 * providing base services
 *
 * @return bool - true if SP Base Services are available
 */
inline bool spBaseServicesEnabled()
{
    bool spBaseServicesEnabled = false;
    TARGETING::Target * sys = NULL;
    TARGETING::targetService().getTopLevelTarget( sys );
    TARGETING::SpFunctions spfuncs;
    if( sys &&
        sys->tryGetAttr<TARGETING::ATTR_SP_FUNCTIONS>(spfuncs) &&
        spfuncs.baseServices )
    {
        spBaseServicesEnabled = true;
    }

    return spBaseServicesEnabled;
}
}


#endif
OpenPOWER on IntegriCloud