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mailboxsp.C
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mailboxsp.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/mbox/mailboxsp.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2017 */
/* [+] 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 */
/**
* @file mailboxsp.C
* @brief mailbox service provider definition
*/
#include "mailboxsp.H"
#include "mboxdd.H"
#include "ipcSp.H"
#include <config.h>
#include <sys/task.h>
#include <initservice/taskargs.H>
#include <initservice/initserviceif.H>
#include <sys/vfs.h>
#include <devicefw/userif.H>
#include <mbox/mbox_reasoncodes.H>
#include <mbox/mboxUdParser.H>
#include <targeting/common/commontargeting.H>
#include <kernel/ipc.H>
#include <arch/ppc.H>
#include <errl/errlmanager.H>
#include <sys/misc.h>
#include <errl/errludprintk.H>
#include <errno.h>
#include <kernel/console.H>
#include <arch/pirformat.H>
#include <sbeio/sbeioif.H>
#include <sys/time.h>
// Local functions
namespace MBOX
{
errlHndl_t makeErrlMsgQSendFail(uint64_t i_errno);
};
using namespace MBOX;
// Defined in mboxdd.C
extern trace_desc_t * g_trac_mbox;
extern trace_desc_t * g_trac_mboxmsg;
trace_desc_t* g_trac_mboxmsg = NULL; // g_trac_mbox;
TRAC_INIT(&g_trac_mboxmsg, MBOXMSG_TRACE_NAME,
2*KILOBYTE, TRACE::BUFFER_SLOW);
/**
* setup _start and handle barrier
*/
TASK_ENTRY_MACRO( MailboxSp::init );
MailboxSp::MailboxSp()
:
iv_msgQ(),
iv_sendq(),
iv_respondq(),
iv_dmaBuffer(),
iv_trgt(NULL),
iv_shutdown_msg(NULL),
iv_rts(true),
iv_dma_pend(false),
iv_disabled(true),
iv_suspended(false),
iv_suspend_intr(false),
iv_allow_blk_resp(false),
iv_sum_alloc(0),
iv_pend_alloc(),
iv_allocAddrs(),
iv_reclaim_sent_cnt(0),
iv_reclaim_rsp_cnt(0)
{
mutex_init(&iv_sendq_mutex);
// mailbox target
TARGETING::targetService().masterProcChipTargetHandle(iv_trgt);
}
MailboxSp::~MailboxSp()
{
msg_q_destroy(iv_msgQ);
}
void MailboxSp::init(errlHndl_t& o_errl)
{
o_errl = Singleton<MailboxSp>::instance()._init();
}
// helper function to start mailbox message handler
void* MailboxSp::msg_handler(void * unused)
{
Singleton<MailboxSp>::instance().msgHandler();
return NULL;
}
errlHndl_t MailboxSp::_init()
{
errlHndl_t err = NULL;
size_t rc = 0;
iv_msgQ = msg_q_create();
rc = msg_q_register(iv_msgQ, VFS_ROOT_MSG_MBOX);
if(rc) // could not register msgQ with kernel
{
TRACFCOMP(g_trac_mbox,ERR_MRK "MailboxSP::_init() Could not register"
"message qeueue with kernel");
/*@ errorlog tag
* @errortype ERRL_SEV_CRITICAL_SYS_TERM
* @moduleid MBOX::MOD_MBOXSRV_INIT
* @reasoncode MBOX::RC_KERNEL_REG_FAILED
* @userdata1 rc from msq_q_register
* @devdesc Could not register mailbox message queue
*/
err = new ERRORLOG::ErrlEntry
(
ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM,
MBOX::MOD_MBOXSRV_INIT,
MBOX::RC_KERNEL_REG_FAILED, // reason Code
rc, // rc from msg_send
0,
true //Add HB Software Callout
);
return err;
}
bool mbxComm = mailbox_enabled();
// create task before registering the msgQ so any waiting interrupts get
// handled as soon as the msgQ is registered with the interrupt service
// provider
task_create(MailboxSp::msg_handler, NULL);
// Tell SBE to create Read-Write Memory Region for the DMA Buffer
err = SBEIO::openUnsecureMemRegion(
iv_dmaBuffer.toPhysAddr(iv_dmaBuffer.getDmaBufferHead()),
VmmManager::MBOX_DMA_SIZE,
true); //true=Read-Write
if (err)
{
return err;
}
if(mbxComm)
{
//TODO RTC 150260 Move after init after mask issues resolved
// Register to get interrupts for mailbox
err = INTR::registerMsgQ(iv_msgQ,
MSG_INTR,
INTR::LSI_FSIMBOX);
if (err)
{
return err;
}
// Initialize the mailbox hardware
err = mboxInit(iv_trgt);
if (err)
{
return err;
}
}
// @todo RTC:126643
#if (0)
// Register for IPC messages
err = INTR::registerMsgQ(iv_msgQ,
MSG_IPC,
INTR::ISN_INTERPROC);
#endif
if(mbxComm)
{
// Enable the mailbox
iv_disabled = false;
// Send message to FSP on base DMA buffer zone
msg_t * msg = msg_allocate();
msg->type = MSG_INITIAL_DMA;
msg->data[0] = 0;
msg->data[1] =iv_dmaBuffer.toPhysAddr(iv_dmaBuffer.getDmaBufferHead());
msg->extra_data = NULL;
MBOX::send(FSP_MAILBOX_MSGQ,msg);
// Register for shutdown
INITSERVICE::registerShutdownEvent(iv_msgQ,
MSG_MBOX_SHUTDOWN,
INITSERVICE::MBOX_PRIORITY);
}
// else leave iv_disabled as true;
#ifndef CONFIG_VPO_COMPILE
// Start the the interprocessor communications message handler
IPC::IpcSp::init(err);
// call ErrlManager function - tell him that MBOX is ready!
ERRORLOG::ErrlManager::errlResourceReady(ERRORLOG::MBOX);
#endif
return err;
}
void MailboxSp::msgHandler()
{
errlHndl_t err = NULL;
while(1)
{
msg_t* msg = msg_wait(iv_msgQ);
// First look for responses to messages sent to HB msg queues
// Theses are responses to sync messages from FSP to HB.
msg_respond_t * response = iv_respondq.find(msg);
if(response)
{
iv_respondq.erase(response);
mbox_msg_t mbox_msg;
mbox_msg.msg_id = response->msg_id;
mbox_msg.msg_queue_id = response->msg_queue_id;
mbox_msg.msg_payload = *msg;
msg_free(msg);
delete response;
send_msg(&mbox_msg);
continue;
}
printkd("mbox received type: %d\n", (uint32_t) msg->type);
// Now look for other messages
switch(msg->type)
{
// Interrupt from the mailbox hardware
case MSG_INTR:
{
printkd("MSG_INTR type - handling interrupt\n");
err = handleInterrupt();
printkd("MSG_INTR type - sending EOI\n");
// Respond to the interrupt handler regardless of err
INTR::sendEOI(iv_msgQ,msg);
// err will be set if scom failed in mbox DD
// or MBOX_DATA_WRITE_ERR - serious - assert
if(err)
{
errlCommit(err,MBOX_COMP_ID);
TRACFCOMP(g_trac_mbox, ERR_MRK
"MBOXSP HALTED on critical error!");
crit_assert(0);
}
// note : an outstanding req dma bfrs msg
// will cause quiesce to be false
if(iv_shutdown_msg && quiesced())
{
if // all DMA buffers have been reclaimed
( iv_dmaBuffer.ownsAllBlocks() )
{
// continue with shutdown
TRACFCOMP(g_trac_mbox,
INFO_MRK"MBOXSP DMA bfrs reclaimed "
"on shutdown");
handleShutdown();
}
else if // a "reclaim bfr" msg is outstanding
( isDmaReqBfrMsgOutstanding() )
{
// (need to wait for the msg(s) to complete
// before sending another msg)
TRACFCOMP(g_trac_mbox,
INFO_MRK
"MailboxSp::msgHandler - "
"Wait for Reclaim Msg Completion");
}
else if // more "reclaim bfr" msgs can be sent
( iv_dmaBuffer.maxShutdownDmaRequestSent() == false )
{
TRACFCOMP(g_trac_mbox,
INFO_MRK
"MailboxSp::msgHandler - "
"Send Reclaim Msg to FSP");
// send a "reclaim bfr" msg
iv_dmaBuffer.incrementShutdownDmaRequestSentCnt();
sendReclaimDmaBfrsMsg();
}
else
{
// continue with shutdown
TRACFCOMP(g_trac_mbox,
INFO_MRK"MBOXSP DMA bfrs not reclaimed "
"on shutdown");
handleShutdown();
}
} // end shutdown msg & quiesced
if(iv_suspended && quiesced())
{
suspend();
}
}
break;
case MSG_SEND:
handleNewMessage(msg);
break;
case MSG_REGISTER_MSGQ:
{
errlHndl_t err = NULL;
queue_id_t queue_id = static_cast<queue_id_t>(msg->data[0]);
msg_q_t msgQ = reinterpret_cast<msg_q_t>(msg->data[1]);
err = msgq_register(queue_id,msgQ);
msg->data[1] = reinterpret_cast<uint64_t>(err);
msg_respond(iv_msgQ,msg);
}
break;
case MSG_UNREGISTER_MSGQ:
{
queue_id_t queue_id = static_cast<queue_id_t>(msg->data[0]);
msg_q_t msgQ = msgq_unregister(queue_id);
msg->data[1] = reinterpret_cast<uint64_t>(msgQ);
msg_respond(iv_msgQ,msg);
}
break;
case MSG_MBOX_SHUTDOWN:
{
TRACFCOMP(g_trac_mbox,
"MBOXSP Shutdown event received. Status 0x%x",
msg->data[1]);
iv_shutdown_msg = msg; // Respond to this when done
iv_disabled = true; // stop incomming new messages
if(iv_suspended == true)
{
resume();
}
// Deal with messages never claimed by any HB component
handleUnclaimed();
// State: MBOX is quiesced() and owns all the DMA buffers
// Action: handleShutdown() now
//
// State: MBOX is quiesced(), but does not own all the DMA
// buffers
// Action: Must send message to retrieve the buffers.
//
// State: MBOX is still busy
// Action: Send message to retrieve the DMA buffers if one
// is not pending, but may not get them all back
// at this time.
//
if( !iv_dmaBuffer.ownsAllBlocks() &&
!iv_dma_pend &&
!isDmaReqBfrMsgOutstanding() )
{
sendReclaimDmaBfrsMsg();
}
if(quiesced()) //already in shutdown state
{
handleShutdown(); // done - shutdown now.
}
// else wait for things to quiesce
}
break;
case MSG_MBOX_SUSPEND:
if(!iv_disabled)
{
TRACFCOMP(g_trac_mbox,
INFO_MRK"MBOXSP Suspend event received");
iv_suspend_msg = msg; // Respond to this when done
iv_suspended = true; // Queue any new messages
iv_suspend_intr = static_cast<bool>(msg->data[0]);
iv_allow_blk_resp = static_cast<bool>(msg->data[1]);
if(quiesced())
{
suspend(); // suspended
}
}
else
{
TRACFCOMP(g_trac_mbox,
INFO_MRK"MBOXSP Ignored request to suspend a"
" disabled mailbox");
msg_respond(iv_msgQ,msg);
}
break;
case MSG_MBOX_RESUME:
resume();
msg_respond(iv_msgQ,msg);
TRACFCOMP(g_trac_mbox,INFO_MRK"Mailbox function resumed");
break;
case MSG_IPC: // Look for Interprocessor Messages
{
uint64_t msg_q_id = KernelIpc::ipc_data_area.msg_queue_id;
if(msg_q_id == IPC_DATA_AREA_LOCKED)
{
// msg is being written, but not yet ready to handle
msg_q_id = IPC_DATA_AREA_CLEAR;
}
// desination message queue id is lower 32 bits
msg_q_id &= 0x00000000FFFFFFFFull;
if(IPC_DATA_AREA_CLEAR != msg_q_id)
{
// message is ready to handle
msg_t * ipc_msg = msg_allocate();
isync();
*ipc_msg = KernelIpc::ipc_data_area.msg_payload;
lwsync();
// EOI has already been sent by intrp. Simply clear
// ipc area so another message can be sent
KernelIpc::ipc_data_area.msg_queue_id =
IPC_DATA_AREA_CLEAR;
handleIPC(static_cast<queue_id_t>(msg_q_id), ipc_msg);
}
INTR::sendEOI(iv_msgQ,msg);
}
break;
case MSG_LOCAL_IPC:
{
queue_id_t q_id = static_cast<queue_id_t>(msg->data[0]);
msg_t* ipc_msg = reinterpret_cast<msg_t*>(msg->extra_data);
handleIPC(q_id, ipc_msg);
msg_free(msg);
}
break;
case MSG_MBOX_ALLOCATE:
handleAllocate(msg);
break;
case MSG_MBOX_DEALLOCATE:
{
void * ptr = reinterpret_cast<void*>(msg->data[0]);
deallocate(ptr);
}
break;
default:
TRACFCOMP(g_trac_mbox, ERR_MRK "MailboxSp::msgHandler() "
"invalid message received 0x%08x",msg->type);
/*@ errorlog tag
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid MBOX::MOD_MBOXSRV_HNDLR
* @reasoncode MBOX::RC_INVALID_MBOX_MSG_TYPE
* @userdata1 Message type
* @devdesc Invalid message type sent to mailbox msgQ
*/
err = new ERRORLOG::ErrlEntry
(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
MBOX::MOD_MBOXSRV_HNDLR,
MBOX::RC_INVALID_MBOX_MSG_TYPE, // reason Code
msg->type, // msg type
0,
true //Add HB Software Callout
);
errlCommit(err,MBOX_COMP_ID);
err = NULL;
msg_free(msg);
break;
}
} // while(1)
}
void MailboxSp::handleNewMessage(msg_t * i_msg)
{
// Build mailbox message
mbox_msg_t mbox_msg;
mbox_msg.msg_queue_id = static_cast<uint32_t>(i_msg->data[0]);
msg_t * payload = reinterpret_cast<msg_t*>(i_msg->extra_data);
mbox_msg.msg_payload = *payload; //copy in payload
bool i_msg_is_async = msg_is_async(i_msg);
if(i_msg_is_async)
{
msg_free(payload);
msg_free(i_msg);
payload = NULL;
i_msg = NULL;
}
if(iv_disabled)
{
#ifdef CONFIG_DROPPED_MSG_WARNING_AS_DEBUG
TRACDCOMP(g_trac_mbox,WARN_MRK
"MSGSEND - mailboxsp is disabled. Message dropped!"
" msgQ=0x%x type=0x%x",
mbox_msg.msg_queue_id,
mbox_msg.msg_payload.type);
#else
TRACFCOMP(g_trac_mbox,WARN_MRK
"MSGSEND - mailboxsp is disabled. Message dropped!"
" msgQ=0x%x type=0x%x",
mbox_msg.msg_queue_id,
mbox_msg.msg_payload.type);
#endif
if(!i_msg_is_async) // synchronous
{
/*@ errorlog tag
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid MOD_MBOXSRV_SENDMSG
* @reasoncode RC_MAILBOX_DISABLED
* @userdata1 queue_id
* @userdata2 message type
* @devdesc Mailbox is disabled, message dropped.
*/
errlHndl_t err = new ERRORLOG::ErrlEntry
(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
MBOX::MOD_MBOXSRV_SENDMSG,
MBOX::RC_MAILBOX_DISABLED, // reason Code
i_msg->data[0], // queue id
payload->type, // message type
true //Add HB Software Callout
);
i_msg->data[1] = reinterpret_cast<uint64_t>(err);
payload->extra_data = NULL;
msg_respond(iv_msgQ,i_msg);
}
if( mbox_msg.msg_payload.extra_data != NULL )
{
TRACDCOMP( g_trac_mbox, "free extra_data %p",
mbox_msg.msg_payload.extra_data );
deallocate ( mbox_msg.msg_payload.extra_data );
mbox_msg.msg_payload.extra_data = NULL;
}
}
else
{
if(!i_msg_is_async) //synchronous
{
i_msg->data[1] = 0; // used later for return value
// need to watch for a response
msg_respond_t * response = new msg_respond_t(i_msg);
// Convert a 64 bit pointer to a 32 bit unsigned int.
mbox_msg.msg_id =
static_cast<uint32_t>
(reinterpret_cast<uint64_t>(response->key));
iv_respondq.insert(response);
}
// NOTE:This message could still get sent if iv_suspended == true.
// This could happen if a suspend action has been requested, but the
// response to the suspend request has not yet been sent.
// (that is, the iv_sendq has not had a chance to "drain" yet.)
if(!iv_suspended)
{
send_msg(&mbox_msg);
}
else
{
mutex_lock(&iv_sendq_mutex);
iv_sendq.push_back(mbox_msg);
mutex_unlock(&iv_sendq_mutex);
TRACFCOMP(g_trac_mbox,"I>Mailbox suspending or suspended.");
trace_msg("QUEUED",mbox_msg);
}
}
}
// Note: When called due to an ACK or retry, iv_rts should be true.
void MailboxSp::send_msg(mbox_msg_t * i_msg)
{
mutex_lock(&iv_sendq_mutex);
if(i_msg)
{
iv_sendq.push_back(*i_msg);
}
// Can't send now if:
// - busy (waiting for ACK)
// - a DMA buffer request is pending
// - there is nothing to send
//
if(!iv_rts || iv_dma_pend || iv_sendq.size() == 0)
{
mutex_unlock(&iv_sendq_mutex);
return;
}
errlHndl_t err = NULL;
mbox_msg_t * mbox_msg = &(iv_sendq.front());;
msg_t * payload = &(mbox_msg->msg_payload);
iv_msg_to_send = *mbox_msg; //copy
// Is a DMA buffer needed?
if((payload->extra_data != NULL) ||
((iv_msg_to_send.msg_queue_id == HB_MAILBOX_MSGQ) &&
(payload->type == MSG_REQUEST_DMA_BUFFERS)))
{
uint64_t dma_size = payload->data[1];
if(payload->extra_data == NULL) // DMA req. from FSP.
{
dma_size = payload->data[0];
}
// getBuffer() returns bit map in dma_size variable.
void * dma_buffer = iv_dmaBuffer.getBuffer(dma_size);
if(dma_buffer)
{
if(payload->extra_data != NULL)
{
memcpy(dma_buffer,payload->extra_data,payload->data[1]);
iv_msg_to_send.msg_payload.extra_data =
reinterpret_cast<void*>(iv_dmaBuffer.toPhysAddr(dma_buffer));
deallocate( payload->extra_data );
payload->extra_data = NULL;
}
else // DMA buffer request from FSP
{
iv_msg_to_send.msg_payload.data[0] = dma_size; // bitmap
iv_msg_to_send.msg_payload.data[1] =
iv_dmaBuffer.toPhysAddr(dma_buffer);
}
iv_sendq.pop_front();
}
else // can't get buffer
{
if(!iv_dmaBuffer.ownsAllBlocks())
{
// -- can't send the current message - leave it on the queue
// -- Instead send a message to FSP for more buffers
iv_msg_to_send.msg_id = 0;
iv_msg_to_send.msg_queue_id = FSP_MAILBOX_MSGQ;
iv_msg_to_send.msg_payload.type = MSG_REQUEST_DMA_BUFFERS;
iv_msg_to_send.msg_payload.data[0] = 0;
iv_msg_to_send.msg_payload.data[1] = 0;
iv_msg_to_send.msg_payload.extra_data = NULL;
iv_msg_to_send.msg_payload.__reserved__async = 1;
TRACFCOMP(g_trac_mbox,
INFO_MRK
"MailboxSp::send_msg - "
"Send Reclaim Msg to FSP");
// track the msg until completion
// actual msg send happens below
__sync_fetch_and_add( &iv_reclaim_sent_cnt, 1 );
}
else
{
// message is asking from more DMA space than exists
TRACFCOMP(g_trac_mbox,
ERR_MRK
"MailboxSp::send_msg - Message dropped. "
"Can't get DMA buffer size %d. queueid 0x%x",
payload->data[1],
iv_msg_to_send.msg_queue_id);
iv_sendq.pop_front();
if(payload->extra_data == NULL) //Request was from FSP
{
// just respond with failure
iv_msg_to_send.msg_payload.data[0] = 0;
iv_msg_to_send.msg_payload.data[1] = 0;
}
else
{
/*@ errorlog tag
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid MOD_MBOXSRV_SENDMSG
* @reasoncode RC_INVALID_DMA_LENGTH
* @userdata1 DMA length requested
* @userdata2 queue_id
* @devdesc Failed to allocate a DMA buffer.
* Message dropped.
*/
err = new ERRORLOG::ErrlEntry
(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
MBOX::MOD_MBOXSRV_SENDMSG,
MBOX::RC_INVALID_DMA_LENGTH, // reason Code
dma_size, // DMA data len
iv_msg_to_send.msg_queue_id, // MSG queueid
true //Add HB Software Callout
);
send_msg(); // drop this message, but send next message
}
}
}
}
else // simple message
{
iv_sendq.pop_front();
}
if(!err)
{
size_t mbox_msg_len = sizeof(mbox_msg_t);
iv_rts = false;
if(iv_msg_to_send.msg_queue_id == FSP_MAILBOX_MSGQ &&
iv_msg_to_send.msg_payload.type == MSG_REQUEST_DMA_BUFFERS)
{
iv_dma_pend = true;
}
trace_msg("SEND",iv_msg_to_send);
err = DeviceFW::deviceWrite(iv_trgt,
&iv_msg_to_send,
mbox_msg_len,
DeviceFW::MAILBOX);
}
if(err)
{
TRACFCOMP(g_trac_mbox,
ERR_MRK
"MBOX send_msg could not send message. queue:%x type:%x",
iv_msg_to_send.msg_queue_id,
iv_msg_to_send.msg_payload.type);
// If the message that could not be sent was a sync msg
// originating from HB then there is a task waiting for a response.
if(!msg_is_async(&(iv_msg_to_send.msg_payload)))
{
if(iv_msg_to_send.msg_queue_id >= FSP_FIRST_MSGQ)
{
msg_t * key = reinterpret_cast<msg_t *>(iv_msg_to_send.msg_id);
msg_respond_t * response = iv_respondq.find(key);
if(response)
{
iv_respondq.erase(response);
msg_t * msg = response->key;
msg->data[1] = reinterpret_cast<uint64_t>(err);
err = NULL;
msg_respond(iv_msgQ,msg);
delete response;
}
// else could be request for more DMA buffers
// - for now just commit the error.
//@TODO- RTC:93751 recovery options?
}
// else msg is a HB response to a FSP originating sync msg
// What do we do here? Can't respond to the FSP.
// For now just commit the error.
//@TODO- RTC:93751 recovery options?
}
// else msg was HB originating async - Just commit it.
if(err) // have error log and no where to respond to, so commit it.
{
errlCommit(err,MBOX_COMP_ID);
err = NULL;
}
}
mutex_unlock(&iv_sendq_mutex);
return;
}
void MailboxSp::recv_msg(mbox_msg_t & i_mbox_msg)
{
errlHndl_t err = NULL;
int rc = 0;
//trace_msg("RECV",i_mbox_msg);
msg_t * msg = msg_allocate();
*msg = i_mbox_msg.msg_payload; // copy
// Handle moving data from DMA buffer
if(iv_dmaBuffer.isDmaAddress(msg->extra_data))
{
uint64_t msg_sz = msg->data[1];
void * buf = malloc(msg_sz);
memcpy(buf,msg->extra_data,msg_sz);
iv_dmaBuffer.release(msg->extra_data,msg_sz);
msg->extra_data = buf;
// receiver of the message frees buffer.
}
// Is sync response message from FSP
msg_t * key = reinterpret_cast<msg_t *>(i_mbox_msg.msg_id);
msg_respond_t * response = iv_respondq.find(key);
// msg_id matches and the msg_queue_id is an FSP queue id
// If it's a hostboot target then it's not a response.
if(response && i_mbox_msg.msg_queue_id >= FSP_FIRST_MSGQ)
{
// remove from the list
iv_respondq.erase(response);
// resonse->key points to original carrier msg
// reponse->key->extra_data points to the orignal msg
// Overwrite original message with response
*(reinterpret_cast<msg_t *>((response->key)->extra_data)) = *msg; // copy
msg_free(msg);
msg_respond(iv_msgQ,response->key);
delete response;
}
else
{
// New incomming message
msg_q_t msgq = NULL;
registry_t::iterator r = iv_registry.find
(static_cast<queue_id_t>(i_mbox_msg.msg_queue_id));
if(r != iv_registry.end())
{
msgq = r->second;
// Check that the type is within range
if(msg->type < MSG_FIRST_SYS_TYPE) // &&
// (!is_secure() || (is_secure() && msg->type > LAST_SECURE_MSG))
{
if(msg_is_async(msg))
{
// send msg to queue
rc = msg_send(msgq,msg);
}
else //sync message from FSP
{
// Need to save queue_id and msg_id and msg ptr
// for response
msg_respond_t * response = new msg_respond_t(msg);
response->msg_id = i_mbox_msg.msg_id;
response->msg_queue_id = i_mbox_msg.msg_queue_id;
iv_respondq.insert(response);
rc = msg_sendrecv_noblk(msgq,msg,iv_msgQ);
}
// Since we've filtered out illegal types this can only mean
// msgq or msg has a bad memory reference - code problem
if(rc)
{
/*@ errorlog tag
* @errortype ERRL_SEV_CRITICAL_SYS_TERM
* @moduleid MBOX::MOD_MBOXSRV_RCV
* @reasoncode MBOX::RC_MSG_SEND_ERROR
* @userdata1 rc from msg_send()
* @userdata2 msg queue id
* @devdesc Invalid msg or msg queue
*
*/
err = new ERRORLOG::ErrlEntry
(
ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM,
MBOX::MOD_MBOXSRV_RCV,
MBOX::RC_MSG_SEND_ERROR, // reason Code
rc, // rc from msg_send
i_mbox_msg.msg_queue_id,
true //Add HB Software Callout
);
//@todo: RTC:93750 Create real parseable FFDC class
err->addFFDC(MBOX_COMP_ID,
msg,
sizeof(msg_t),
1,//version
MBOX_UDT_MSG_DATA);//subsect
err->collectTrace(MBOXMSG_TRACE_NAME);
errlCommit(err,MBOX_COMP_ID);
free(msg->extra_data);
msg_free(msg);
TRACFCOMP(g_trac_mbox,
ERR_MRK"MBOXSP HALTED on critical error!");
crit_assert(0);
}
}
else // Bad type range
{
// Send a message to the FSP
mbox_msg_t mbox_msg;
mbox_msg.msg_queue_id = FSP_MAILBOX_MSGQ;
mbox_msg.msg_payload.type = MSG_INVALID_MSG_TYPE;
mbox_msg.msg_id = i_mbox_msg.msg_id;
// msg_id and msg_queue_id
mbox_msg.msg_payload.data[0] =
*(reinterpret_cast<uint64_t*>(&i_mbox_msg));
// type & flags
mbox_msg.msg_payload.data[1] =
*(reinterpret_cast<uint64_t*>(msg));
mbox_msg.msg_payload.extra_data = NULL;
mbox_msg.msg_payload.__reserved__async = 0; // async
send_msg(&mbox_msg);
TRACFCOMP(g_trac_mbox,
ERR_MRK
"MailboxSp::recv_msg-Message type 0x%x range error."
" Message dropped.",
msg->type);
/*@ errorlog tag
* @errortype ERRL_SEV_INFORMATIONAL
* @moduleid MBOX::MOD_MBOXSRV_RCV
* @reasoncode MBOX::RC_INVALID_MESSAGE_TYPE
* @userdata1 msg queue
* @userdata2 msg type
* @devdesc Message from FSP. Message type is not