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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/initservice/istepdispatcher/istepdispatcher.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 __ISTEPDISPATCHER_ISTEPDISPATCHER_H
#define __ISTEPDISPATCHER_ISTEPDISPATCHER_H
/**
* @file istepdispatcher.H
*
* IStep Dispatcher interface. Launched from Extended Initialization Service
*
*/
/**
* @page IStepDispatcher IStep Dispatcher
*
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <util/singleton.H>
#include <errl/errlentry.H>
#include <initservice/taskargs.H>
#include <initservice/initsvcreasoncodes.H>
#include <initservice/initsvcstructs.H>
#include "../baseinitsvc/initservice.H"
#include "splesscommon.H"
namespace INITSERVICE
{
/******************************************************************************/
// Globals/Constants
/******************************************************************************/
/******************************************************************************/
// Typedef/Enumerations
/******************************************************************************/
/******************************************************************************/
// Class IStepDispatcher
/******************************************************************************/
/**
* @class IStepDispatcher
*
* Dispatch ISteps and handle return codes, errorlogs, etc.
*
*/
class IStepDispatcher
{
public:
/**
* @brief Get singleton instance of this class.
*
* @return the (one and only) instance of IStepDispatcher
*/
static IStepDispatcher& getTheInstance();
/**
* @brief Provide an entry function into the class, called from _start()
*
* @param[in] i_pargs pointer to any arguments passed in from
* _start().
*
* @return nothing
*/
void init( void *i_pargs);
protected:
/**
* @brief Constructor for the IStepDispatcher object.
*/
IStepDispatcher();
/**
* @brief Destructor for the IStepDispatcher object.
*/
~IStepDispatcher();
private:
/**
* @note Disable copy constructor and assignment operator
*/
IStepDispatcher(const IStepDispatcher& i_right);
IStepDispatcher& operator=(const IStepDispatcher& i_right);
/**
* @brief init iv_istepmode flag, called in constructor
*
* Call into PNOR and fetch the "IStepMode flag" .
*
* @todo currently this calls into the kernel to get the value of
* an SCOM Scratch Reg - this will change when PNOR is finished
*
* @return nothing
*
*/
void initIStepMode( );
/**
* @brief getIStepMode - return value of IStep Mode
*
* @return bool - value of iv_istepmodeflag
* @retval false if IStep Mode is "OFF"
* true if IStep Mode is "ON"
*/
bool getIStepMode( ) const;
/**
* @brief Find a TaskInfo struct in the global istep list(s),
* addressed by { IStep, SubStep }
*
*
* @param[in] i_IStep - IStepNumber
* @param[in] i_SubStep - SubStepNumber
*
* @return pointer to a TaskInfo struct
* @retval pointer to a TaskInfo struct, or NULL
*
*/
const TaskInfo *findTaskInfo( uint16_t i_IStep,
uint16_t i_SubStep ) const;
/**
* @brief singleStepISteps
*
* Stop and wait for SP to send the next IStep to run. Run that, then
* wait for the next one.
* This is not expected to return - errors etc are sent to the user to
* handle.
*
* @param[in,out] io_ptr - pointer to any args passed in from
* ExtInitSvc. This may be a pointer to an
* TaskArgs struct (or something else) which
* can be filled out on return
*
* @return none
*/
void singleStepISteps( void * io_ptr ) const;
/**
* @brief runAllISteps
*
* Run all available ISteps sequentially.
* If an IStep gets an error, report it and stop.
* Otherwise, return.
*
* @param[in,out] io_ptr - pointer to a TaskArgs struct on input
* command, returncode and errorlog will be
* clear on input
* one or more may be filled in on return
*
* @return none
*/
void runAllISteps( void * io_ptr ) const;
/**
* @brief getCanContinueProcedure
* If an IStep fails, this routine will fetch the recovery procedure
* This is only used in "normal" mode, it will not be used when IStep Mode
* is ON (i.e. it will not be used when single-stepping).
*
* @param[in] i_failingIStep - ref to IStepInfo struct for failing
* Istep
* @param[in] i_failingError - ref to errorlog for the failure
* @param[in,out] io_nextIStep - ref to TaskInfo struct for next
* IStep to run. struct will be filled
* out with info on the next IStep to
* run.
*
* @return bool
* @retval false if there is no Can-Continue procedure,
* true otherwise
*
* @todo 2011-08-22 currently the defs for this procedure are pretty
* vague - requirements for Can-Continue behaviour have not been
* defined yet.
*/
bool getCanContinueProcedure( const TaskInfo &i_failingIStep,
errlHndl_t &i_failingError,
TaskInfo &io_nextIStep ) const;
// ----- internal vars -----------------------------
}; // class IStepDispatcher
} // namespace
#endif
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