int __recvpath
psmi_mq_handle_data(psm_mq_req_t req, psm_epaddr_t epaddr,
uint32_t egrid, uint32_t offset,
const void *buf, uint32_t nbytes)
{
psm_mq_t mq;
int rc;
if (req == NULL) goto no_req;
mq = req->mq;
if (req->state == MQ_STATE_MATCHED)
rc = MQ_RET_MATCH_OK;
else {
psmi_assert(req->state == MQ_STATE_UNEXP);
rc = MQ_RET_UNEXP_OK;
}
psmi_assert(req->egrid.egr_data == egrid);
psmi_mq_req_copy(req, epaddr, offset, buf, nbytes);
if (req->send_msgoff == req->send_msglen) {
if (req->type & MQE_TYPE_EGRLONG) {
STAILQ_REMOVE(&epaddr->mctxt_master->egrlong,
req, psm_mq_req, nextq);
}
if (req->state == MQ_STATE_MATCHED) {
req->state = MQ_STATE_COMPLETE;
mq_qq_append(&mq->completed_q, req);
}
else { /* MQ_STATE_UNEXP */
req->state = MQ_STATE_COMPLETE;
}
_IPATH_VDBG("epaddr=%s completed %d byte send, state=%d\n",
psmi_epaddr_get_name(epaddr->epid),
(int)req->send_msglen, req->state);
}
return rc;
no_req:
mq = epaddr->ep->mq;
req = psmi_mq_req_alloc(mq, MQE_TYPE_RECV);
psmi_assert(req != NULL);
req->egrid.egr_data = egrid;
req->recv_msgoff = offset;
req->recv_msglen = nbytes;
req->buf = psmi_mq_sysbuf_alloc(mq, nbytes);
psmi_mq_mtucpy(req->buf, buf, nbytes);
STAILQ_INSERT_TAIL(&epaddr->mctxt_master->egrdata, req, nextq);
return MQ_RET_UNEXP_OK;
}
int __recvpath
psmi_mq_handle_data(psm_mq_req_t req, psm_epaddr_t epaddr,
const void *buf, uint32_t nbytes)
{
psm_mq_t mq = req->mq;
int rc;
if (req->state == MQ_STATE_MATCHED)
rc = MQ_RET_MATCH_OK;
else {
psmi_assert(req->state == MQ_STATE_UNEXP);
rc = MQ_RET_UNEXP_OK;
}
psmi_mq_req_copy(req, epaddr, buf, nbytes);
if (req->send_msgoff == req->send_msglen) {
if (req->type & MQE_TYPE_EGRLONG) {
int flowid = req->egrid.egr_flowid;
psmi_assert(STAILQ_FIRST(&epaddr->egrlong[flowid]) == req);
STAILQ_REMOVE_HEAD(&epaddr->egrlong[flowid], nextq);
}
/* Whatever is leftover in the posted message should be now marked as
* undefined.
* XXX Sends not supported yet.
*/
#if 0
#ifdef PSM_VALGRIND
if (req->send_msglen < req->buf_len)
VALGRIND_MAKE_MEM_UNDEFINED(
(void *) ((uintptr_t) req->buf + req->send_msglen),
req->buf_len - req->send_msglen);
#endif
#endif
if (req->state == MQ_STATE_MATCHED) {
req->state = MQ_STATE_COMPLETE;
mq_qq_append(&mq->completed_q, req);
}
else { /* MQ_STATE_UNEXP */
req->state = MQ_STATE_COMPLETE;
}
_IPATH_VDBG("epaddr=%s completed %d byte send, state=%d\n",
psmi_epaddr_get_name(epaddr->epid),
(int)req->send_msglen, req->state);
}
return rc;
}
