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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/initservice/initserviceif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2018 */
/* [+] Google Inc. */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* 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>
#define THIS_NODE_NO_PAYLOAD 0xffffffffffffffffull
namespace INITSERVICE
{
/**
* Priority scheme:
* The message queue will be sorted in ascending priority order, meaing a
* process registering with a priority of zero will be notified first.
*
* There are two ranges of callback priorities supported.
*
* 1. Pre Memory flush callback priorities are in the range 0-127 and
* will occur before the memory has been flushed to pnor.
*
* 2. Post memory flush callback priorities are in the range 127-255,
* and are signaled after the memory has been flushed to pnor.
*
* NOTE: The final call back for systems which support IPMI should be
* POST_MEM_FLUSH_NOTIFY_LAST since it will trigger a power off
* request to the BMC.
*
*/
enum EventPriority_t
{
NOTIFY_FIRST = 0,
HIGHEST_PRIORITY = NOTIFY_FIRST,
NO_PRIORITY = 16,
MBOX_PRIORITY = 17,
INTR_PRIORITY = 18,
PRESHUTDOWN_INIT_PRIORITY = 19,
LOWEST_PRIORITY = 127,
CONSOLE_PRIORITY = LOWEST_PRIORITY,
LAST_PRE_MEM_FLUSH_PRIORITY = LOWEST_PRIORITY,
HIGHEST_POST_MEM_FLUSH_PRIORITY = 128, // 1st post mem flush callback
PNOR_RP_PRIORITY = HIGHEST_POST_MEM_FLUSH_PRIORITY,
POST_MEM_FLUSH_NOTIFY_LAST = 255
};
/**
* @brief Register a block/range of virtual 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_inBackground - Shutdown should be handled by a background task.
* @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)
*
* @param[in] i_masterHBinstance - master Host boot instance number (node)
* Needed when starting payload
* on multi-node system.
*
* @param[in] i_error_info - Add'tl error data to be included in TI data area
*
* @return Nothing
*
* @note If inBackground = true, the shutdown call will spawn a child task
* which will do the shutdown processing. If inBackground = false, the
* shutdown processing will be handled in the context of the caller and
* will never return.
*/
void doShutdown ( uint64_t i_status,
bool i_inBackground = false,
uint64_t i_payload_base = 0,
uint64_t i_payload_entry = 0,
uint64_t i_payload_data = 0,
uint64_t i_masterHBInstance = THIS_NODE_NO_PAYLOAD,
uint32_t i_error_info =0);
/**
* @brief Wrapper function to perform shutdown including error data
* provided in the TI area. This function calls doShutdown() with
* the appropriate default parms.
*
* @param[in] i_status - Shutdown status to be passed along on shutdown
* @param[in] i_error_info - Add'tl error data to be included in TI data area
*
* @return Nothing
*/
void doShutdownWithError ( uint64_t i_status, uint32_t i_error_info);
/**
* @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;
}
/**
* @brief Save Istep Step and Substep for use by error logging
* @param[in] i_step, Istep Step
* @param[in] i_subStep, Istep subStep
* @return none
*/
void ShadowIstepData( uint8_t i_step,
uint8_t i_subStep );
/**
* @brief Extract Istep Step and Substep
* @param[out] o_step, Istep Step
* @param[out] o_subStep, Istep subStep
* @return none
*/
void GetIstepData( uint8_t & o_step,
uint8_t & o_subStep );
}
#endif
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