// See if AFU changed any of the aux2 signals and handle accordingly
int handle_aux2(struct job *job, uint32_t * parity, uint32_t * latency,
uint64_t * error)
{
struct job_event *event;
uint32_t job_running;
uint32_t job_done;
uint32_t job_cack_llcmd;
uint64_t job_error;
uint32_t job_yield;
uint32_t tb_request;
uint32_t par_enable;
uint32_t read_latency;
uint8_t dbg_aux2;
int reset, reset_complete;
if (job == NULL)
return 0;
// See if AFU is driving AUX2 signal changes
dbg_aux2 = reset = reset_complete = *error = 0;
if (psl_get_aux2_change(job->afu_event, &job_running, &job_done,
&job_cack_llcmd, &job_error, &job_yield,
&tb_request, &par_enable, &read_latency) ==
PSL_SUCCESS) {
// Handle job_done
if (job_done) {
dbg_aux2 |= DBG_AUX2_DONE;
*error = job_error;
if (job->job != NULL) {
event = job->job;
// Is job_done for reset or start?
if (event->code == PSL_JOB_RESET)
reset_complete = 1;
else
reset = 1;
job->job = event->_next;
free(event);
if (job->job != NULL)
assert(job->job->_next != job->job);
}
if (*(job->psl_state) == PSLSE_RESET) {
*(job->psl_state) = PSLSE_IDLE;
}
}
// Handle job_running
if (job_running) {
*(job->psl_state) = PSLSE_RUNNING;
dbg_aux2 |= DBG_AUX2_RUNNING;
}
if (job_cack_llcmd) {
dbg_aux2 |= DBG_AUX2_LLCACK;
}
if (tb_request) {
dbg_aux2 |= DBG_AUX2_TBREQ;
}
if (par_enable) {
dbg_aux2 |= DBG_AUX2_PAREN;
}
dbg_aux2 |= read_latency & DBG_AUX2_LAT_MASK;
if (job_done && job_running)
error_msg("ah_jdone & ah_jrunning asserted together");
if ((read_latency != 1) && (read_latency != 3))
warn_msg("ah_brlat must be either 1 or 3");
*parity = par_enable;
*latency = read_latency;
// DEBUG
debug_job_aux2(job->dbg_fp, job->dbg_id, dbg_aux2);
}
if (reset)
add_job(job, PSL_JOB_RESET, 0L);
return reset_complete;
}
// See if AFU changed any of the aux2 signals and handle accordingly
int _handle_aux2(struct psl *psl, uint32_t * parity, uint32_t * latency,
uint64_t * error)
{
struct job *job;
struct job_event *_prev;
struct job_event *cacked_pe;
struct job_event *event;
uint32_t job_running;
uint32_t job_done;
uint32_t job_cack_llcmd;
uint64_t job_error;
uint32_t job_yield;
uint32_t tb_request;
uint32_t par_enable;
uint32_t read_latency;
uint8_t dbg_aux2;
int reset, reset_complete;
uint64_t llcmd;
uint64_t context;
uint8_t ack = PSLSE_DETACH;
job = psl->job;
if (job == NULL)
return 0;
// See if AFU is driving AUX2 signal changes
dbg_aux2 = reset = reset_complete = *error = 0;
if (psl_get_aux2_change(job->afu_event, &job_running, &job_done,
&job_cack_llcmd, &job_error, &job_yield,
&tb_request, &par_enable, &read_latency) == PSL_SUCCESS) {
// Handle job_done
if (job_done) {
debug_msg("%s:_handle_aux2: JOB done", job->afu_name);
dbg_aux2 |= DBG_AUX2_DONE;
*error = job_error;
//debug_msg("%s,%d:_handle_aux2, jerror is %x ",
// job->afu_name, job->dbg_id, job_error );
if (job->job != NULL) {
event = job->job;
// Is job_done for reset or start?
if (event->code == PSL_JOB_RESET)
reset_complete = 1;
else
reset = 1;
job->job = event->_next;
free(event);
if (job->job != NULL)
assert(job->job->_next != job->job);
}
if (*(job->psl_state) == PSLSE_RESET) {
*(job->psl_state) = PSLSE_IDLE;
}
}
// Handle job_running
if (job_running) {
debug_msg("%s:_handle_aux2: JOB running", job->afu_name);
*(job->psl_state) = PSLSE_RUNNING;
dbg_aux2 |= DBG_AUX2_RUNNING;
}
// Handle job cack llcmd
if (job_cack_llcmd) {
// remove the current pending pe from the list
// loop through the pe's for the current pending one;
// copy its _next to _prev's _next
// remove the current pe
debug_msg("%s,%d:_handle_aux2, jcack, complete llcmd and remove pe",
job->afu_name, job->dbg_id );
cacked_pe = NULL;
if (job->pe != NULL) {
if (job->pe->state == PSLSE_PENDING) {
// remove the first entry in the list
debug_msg("%s,%d:_handle_aux2, jcack, first pe is pending, job=0x%016"PRIx64", pe=0x%016"PRIx64,
job->afu_name, job->dbg_id, job, job->pe );
cacked_pe = job->pe;
job->pe = job->pe->_next;
} else {
_prev = job->pe;
while (_prev->_next != NULL) {
debug_msg("%s,%d:_handle_aux2, jcack, looking for pending pe, _prev=0x%016"PRIx64", _next=0x%016"PRIx64,
job->afu_name, job->dbg_id, _prev, _prev->_next );
if (_prev->_next->state == PSLSE_PENDING) {
// remove this entry in the list
debug_msg("%s,%d:_handle_aux2, jcack, found pending pe, _next=0x%016"PRIx64,
job->afu_name, job->dbg_id, _prev->_next );
cacked_pe = _prev->_next;
_prev->_next = _prev->_next->_next;
} else {
_prev = _prev->_next;
}
}
}
}
if (cacked_pe != NULL) {
// this is the pe that I want to "finish" processing
// get just the llcmd part of the addr
llcmd = cacked_pe->addr & PSL_LLCMD_MASK;
context = cacked_pe->addr & PSL_LLCMD_CONTEXT_MASK;
debug_msg("%s,%d:_handle_aux2: llcmd addr = 0x%016"PRIx64"; llcmd = 0x%016"PRIx64"; context = 0x%016"PRIx64,
job->afu_name, job->dbg_id, cacked_pe->addr, llcmd, context);
switch ( llcmd ) {
case PSL_LLCMD_ADD:
// if it is a start, just keep going, print a message
debug_msg("%s,%d:_handle_aux2: LLCMD ADD acked", job->afu_name, job->dbg_id );
break;
case PSL_LLCMD_TERMINATE:
// if it is a terminate, make sure the cmd list is empty, warn if not empty
debug_msg("%s,%d:_handle_aux2: LLCMD TERMINATE acked", job->afu_name, job->dbg_id );
if ( _is_cmd_pending(psl, context) ) {
warn_msg( "%s,%d:AFU command for context %d still pending when LLCMD TERMINATE acked",
job->afu_name, job->dbg_id, context);
}
break;
case PSL_LLCMD_REMOVE:
// if it is a remove, send the detach response to the client and close up the client
debug_msg("%s,%d:_handle_aux2: LLCMD REMOVE acked", job->afu_name, job->dbg_id );
debug_msg("%s,%d:_handle_aux2: detach response sent to host on socket %d",
job->afu_name, job->dbg_id, psl->client[context]->fd);
put_bytes(psl->client[context]->fd, 1, &ack,
psl->dbg_fp, psl->dbg_id,
psl->client[context]->context);
_free( psl, psl->client[context] );
psl->client[context] = NULL; // I don't like this part...
break;
default:
debug_msg("%s,%d:_handle_aux2: acked llcmd %d did not match an LLCMD pe",
job->afu_name, job->dbg_id, llcmd );
break;
}
debug_msg("%s,%d:_handle_aux2, jcack, free pe, addr=0x%016"PRIx64,
job->afu_name, job->dbg_id, cacked_pe );
free( cacked_pe );
} else {
debug_msg("%s,%d:_handle_aux2, jcack, no pe's to remove - why???",
job->afu_name, job->dbg_id );
}
dbg_aux2 |= DBG_AUX2_LLCACK;
}
if (tb_request) {
dbg_aux2 |= DBG_AUX2_TBREQ;
}
if (par_enable) {
dbg_aux2 |= DBG_AUX2_PAREN;
}
dbg_aux2 |= read_latency & DBG_AUX2_LAT_MASK;
if (job_done && job_running)
error_msg("_handle_aux2: ah_jdone & ah_jrunning asserted together");
#if defined PSL9lite || defined PSL9
if ((read_latency != 0) && (read_latency != 1) && (read_latency != 2))
warn_msg("_handle_aux2: ah_brlat must be either 0, 1 or 2");
#else
if ((read_latency != 1) && (read_latency != 3))
warn_msg("_handle_aux2: ah_brlat must be either 1 or 3");
#endif
*parity = par_enable;
*latency = read_latency;
// DEBUG
debug_job_aux2(job->dbg_fp, job->dbg_id, dbg_aux2);
}
if (reset)
add_job(job, PSL_JOB_RESET, 0L);
return reset_complete;
}
