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/*
* @file: ppe/sbe/sbefw/sbecmdprocessor.C
*
* @brief This file contains the SBE Command processing Thread Routines
*
*/
#include "sbeexeintf.H"
#include "sbefifo.H"
#include "sbecmdparser.H"
#include "sbeirq.H"
#include "sbetrace.H"
#include "sbe_sp_intf.H"
#include "assert.h"
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
void sbeSyncCommandProcessor_routine(void *i_pArg)
{
#define SBE_FUNC " sbeSyncCommandProcessor_routine "
SBE_ENTER(SBE_FUNC);
do
{
uint32_t l_rc = SBE_SEC_OPERATION_SUCCESSFUL;
uint8_t l_dist2StatusHdr = 0;
uint32_t l_sbeDownFifoRespBuf[4] = {0};
// Wait for new command processing
int l_rcPk = pk_semaphore_pend (
&g_sbeSemCmdProcess, PK_WAIT_FOREVER);
do
{
uint16_t l_primStatus = g_sbeCmdRespHdr.prim_status;
uint16_t l_secStatus = g_sbeCmdRespHdr.sec_status ;
SBE_DEBUG (SBE_FUNC"l_primStatus=[0x%04X], l_secStatus=[0x%04X]",
l_primStatus, l_secStatus);
// PK API failure
if (l_rcPk != PK_OK)
{
SBE_ERROR(SBE_FUNC"pk_semaphore_pend failed, "
"l_rcPk=%d, g_sbeSemCmdRecv.count=%d",
l_rcPk, g_sbeSemCmdRecv.count);
// if the command receiver thread already updated
// the response status codes, don't override them.
if (l_primStatus != SBE_PRI_OPERATION_SUCCESSFUL)
{
l_primStatus = SBE_PRI_INTERNAL_ERROR;
l_secStatus = SBE_SEC_OS_FAILURE;
}
}
SBE_DEBUG(SBE_FUNC"unblocked");
// if there was a PK API failure or the
// command receiver thread indicated of
// a failure due to
// Command Validation or
// FIFO Reset request
if (l_primStatus)
{
uint8_t l_len2dequeue = 0;
switch (l_primStatus)
{
case SBE_FIFO_RESET_RECEIVED:
SBE_ERROR(SBE_FUNC"FIFO reset received");
l_rc = SBE_FIFO_RC_RESET;
break;
case SBE_PRI_INVALID_COMMAND:
// Command or SBE state validation failed
// just follow through
case SBE_PRI_INTERNAL_ERROR:
// Flush out the upstream FIFO till EOT arrives
l_len2dequeue = 1;
l_rc = sbeUpFifoDeq_mult (l_len2dequeue, NULL, true);
if (l_rc == SBE_FIFO_RC_RESET)
{
break;
}
// Not handling any other RC from sbeUpFifoDeq_mult
// while flushing out to keep this code simple.
// Don't break here to force the flow through
// the next case to enqueue the response into
// the downstream FIFO
case SBE_PRI_INVALID_DATA:
// SBE caller already wrongly sent EOT
// before sending two mandatory header entries
//
// enqueue the response payload now into
// the downstream FIFO
// @TODO via RTC : 130575
// Optimize RC handling infrastructure code
// Build the response packet first
sbeBuildMinRespHdr(&l_sbeDownFifoRespBuf[0],
l_dist2StatusHdr,
l_primStatus,
l_secStatus,
0);
// Now enqueue into the downstream FIFO
l_rc = sbeDownFifoEnq_mult (++l_dist2StatusHdr,
&l_sbeDownFifoRespBuf[0]);
if (l_rc)
{
SBE_ERROR(SBE_FUNC"sbeDownFifoEnq_mult failure,"
" l_rc[0x%X]", l_rc);
}
break;
// Signal EOT in Downstream FIFO
l_rc = sbeDownFifoSignalEot();
if (l_rc)
{
SBE_ERROR(SBE_FUNC"sbeDownFifoSignalEot failure,"
" l_rc[0x0%08X]", l_rc);
break;
}
default:
break;
} // End switch
break;
}
SBE_DEBUG(SBE_FUNC"New cmd arrived, g_sbeSemCmdProcess.count=%d",
g_sbeSemCmdProcess.count);
uint8_t l_cmdClass = 0;
uint8_t l_cmdOpCode = 0;
uint32_t (*l_pFuncP) (uint8_t *) ;
// @TODO via RTC: 128658
// Review if Mutex protection is required
// for all the globals used between threads
l_cmdClass = g_sbeCmdHdr.cmdClass;
l_cmdOpCode = g_sbeCmdHdr.command;
// Get the command function
l_pFuncP = sbeFindCmdFunc (l_cmdClass, l_cmdOpCode) ;
assert( l_pFuncP )
// Call the ChipOp function
l_rc = l_pFuncP ((uint8_t *)i_pArg);
} while(false); // Inner do..while loop ends here
SBE_DEBUG(SBE_FUNC"l_rc=[0x%08X]", l_rc);
// Handle FIFO reset case
if (l_rc == SBE_FIFO_RC_RESET)
{
// @TODO via RTC : 126147
// Handle FIFO reset flow
pk_irq_enable(SBE_IRQ_SBEFIFO_DATA);
continue;
}
switch (l_rc)
{
// EOT arrived prematurely in upstream FIFO
// or there were unexpected data in upstream
// FIFO
case SBE_FIFO_RC_EOT_ACKED:
case SBE_FIFO_RC_EOT_ACK_FAILED:
SBE_ERROR(SBE_FUNC"Received unexpected EOT, l_rc[0x%08X]",
l_rc);
sbeBuildMinRespHdr(&l_sbeDownFifoRespBuf[0],
l_dist2StatusHdr,
SBE_PRI_INVALID_DATA,
SBE_SEC_GENERIC_FAILURE_IN_EXECUTION,
0);
l_rc = sbeDownFifoEnq_mult (++l_dist2StatusHdr,
&l_sbeDownFifoRespBuf[0]);
if (l_rc)
{
SBE_ERROR(SBE_FUNC"sbeDownFifoEnq_mult failure,"
" l_rc[0x0%08X]", l_rc);
// not attempting to signal EOT
break;
}
// Follow through to signal EOT in downstream
case SBE_SEC_OPERATION_SUCCESSFUL: // Successful execution
// Signal EOT in Downstream FIFO
l_rc = sbeDownFifoSignalEot();
if (l_rc)
{
SBE_ERROR(SBE_FUNC"sbeDownFifoSignalEot failure,"
" l_rc[0x0%08X]", l_rc);
}
SBE_INFO(SBE_FUNC"ChipOp Done");
break;
default:
break;
}
// @TODO via RTC : 126147
// Review all the scenarios
// Enable the new data available interrupt
pk_irq_enable(SBE_IRQ_SBEFIFO_DATA);
} while(true); // Thread always exists
}
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
void sbeAsyncCommandProcessor_routine(void *arg)
{
SBE_TRACE("sbeAsyncCommandProcessor Thread started");
do
{
// @TODO RTC via : 130392
// Add infrastructure for host interface
} while(0);
}
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