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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/initservice/common/initsvcstructs.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2011
//
// 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 other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __COMMON_INITSVCSTRUCTS_H
#define __COMMON_INITSVCSTRUCTS_H
/**
* @file initsvcstructs.H
*
* common structs for initservice, extinitsvc, istepdispatcher
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <sys/vfs.h> // VFS_MODULE_MAX
namespace INITSERVICE
{
/******************************************************************************/
// Globals/Constants
/******************************************************************************/
/******************************************************************************/
// Typedef/Enumerations
/******************************************************************************/
/**
* @enum TaskType
* - NONE == placeholder, no task
* - INIT_TASK == load and initialize task, but task has no _start()
* (extended image only)
* - START_TASK == BASE_IMAGE: call _start() function entry point
* EXT_IMAGE: call _init(), then _start()
* - START_FN == task with function pointer entry point
* - UNINIT_TASK == call _fini() to call static destructor(s) on the task.
* (extended image only)
* - END_TASK_LIST == last entry in the task list.
*/
enum TaskType
{
UNDEFINED_TT = 0,
NONE,
INIT_TASK,
START_TASK,
START_FN,
UNINIT_TASK,
END_TASK_LIST,
};
/**
* @enum ModuleType
* - BASE_IMAGE == module in the base image
* - EXT_IMAGE == module in the extended image
*/
enum ModuleType
{
UNDEFINED_MT = 0,
BASE_IMAGE,
EXT_IMAGE,
};
/**
* @struct TaskFlags
*
* - run _start() function on start
* - module type, BASE_MODULE or EXT_MODULE
* - module_id for errorlog if task fails
*
*/
/**
* @todo module_id is fairly useless, we should use the taskname string
* to id the module. Schedule for termination....
*/
struct TaskFlags
{
TaskType task_type; // task execution flags
ModuleType module_type; // BASE_IMAGE or EXT_IMAGE
InitServiceModuleID module_id; // module id for errorlog
};
/**
* @struct TaskInfo
*
* Holds information on each task in the system.
* - taskname
* - execution flags, see TaskFlags above
*
*/
/**
* @todo store a pointer to the taskname string here instead of allocating
* 64 bytes for each entry?
*/
struct TaskInfo
{
const char taskname[VFS_MODULE_NAME_MAX];
void (*taskfn)(void *ptr);
const TaskFlags taskflags;
};
/**
* @struct ExtTaskInfo
*
* struct to store the TaskInfo for the ISteps, plus the number of items in
* the istep (calculated at compiletime).
*/
struct ExtTaskInfo
{
const TaskInfo *const pti;
const uint64_t numitems;
};
} // namespace
#endif
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