int MPID_nem_mxm_iStartContigMsg(MPIDI_VC_t * vc, void *hdr, MPIDI_msg_sz_t hdr_sz, void *data,
MPIDI_msg_sz_t data_sz, MPID_Request ** sreq_ptr)
{
int mpi_errno = MPI_SUCCESS;
MPID_Request *sreq = NULL;
MPID_nem_mxm_vc_area *vc_area = NULL;
MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_STATE_DECL(MPID_STATE_MPID_NEM_MXM_ISTARTCONTIGMSG);
MPIDI_FUNC_ENTER(MPID_STATE_MPID_NEM_MXM_ISTARTCONTIGMSG);
MPIU_Assert(hdr_sz <= sizeof(MPIDI_CH3_Pkt_t));
MPIU_DBG_MSG(CH3_CHANNEL, VERBOSE, "mxm_iStartContigMsg");
MPIDI_DBG_Print_packet((MPIDI_CH3_Pkt_t *) hdr);
/* create a request */
sreq = MPID_Request_create();
MPIU_Assert(sreq != NULL);
MPIU_Object_set_ref(sreq, 2);
MPIU_Memcpy(&(sreq->dev.pending_pkt), (char *) hdr, sizeof(MPIDI_CH3_Pkt_t));
sreq->kind = MPID_REQUEST_SEND;
sreq->dev.OnDataAvail = NULL;
sreq->dev.tmpbuf = NULL;
_dbg_mxm_output(5,
"iStartContigMsg ========> Sending ADI msg (to=%d type=%d) for req %p (data_size %d, %d) \n",
vc->pg_rank, sreq->dev.pending_pkt.type, sreq, sizeof(MPIDI_CH3_Pkt_t),
data_sz);
vc_area = VC_BASE(vc);
req_area = REQ_BASE(sreq);
req_area->ctx = sreq;
req_area->iov_buf = req_area->tmp_buf;
req_area->iov_count = 1;
req_area->iov_buf[0].ptr = (void *) &(sreq->dev.pending_pkt);
req_area->iov_buf[0].length = sizeof(MPIDI_CH3_Pkt_t);
if (data_sz) {
req_area->iov_count = 2;
req_area->iov_buf[1].ptr = (void *) data;
req_area->iov_buf[1].length = data_sz;
}
vc_area->pending_sends += 1;
sreq->ch.vc = vc;
sreq->ch.noncontig = FALSE;
mpi_errno = _mxm_isend(vc_area->mxm_ep, req_area, MXM_MPICH_ISEND_AM,
mxm_obj->mxm_mq, mxm_obj->mxm_rank, MXM_MPICH_HID_ADI_MSG, 0, 0);
if (mpi_errno)
MPIU_ERR_POP(mpi_errno);
fn_exit:
*sreq_ptr = sreq;
MPIDI_FUNC_EXIT(MPID_STATE_MPID_NEM_MXM_ISTARTCONTIGMSG);
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPID_nem_mxm_iSendContig(MPIDI_VC_t * vc, MPID_Request * sreq, void *hdr, MPIDI_msg_sz_t hdr_sz,
void *data, MPIDI_msg_sz_t data_sz)
{
int mpi_errno = MPI_SUCCESS;
MPID_nem_mxm_vc_area *vc_area = NULL;
MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_STATE_DECL(MPID_STATE_MPID_NEM_MXM_ISENDCONTIGMSG);
MPIDI_FUNC_ENTER(MPID_STATE_MPID_NEM_MXM_ISENDCONTIGMSG);
MPIU_Assert(hdr_sz <= sizeof(MPIDI_CH3_Pkt_t));
MPIU_DBG_MSG(CH3_CHANNEL, VERBOSE, "mxm_iSendContig");
MPIDI_DBG_Print_packet((MPIDI_CH3_Pkt_t *) hdr);
MPIU_Memcpy(&(sreq->dev.pending_pkt), (char *) hdr, sizeof(MPIDI_CH3_Pkt_t));
_dbg_mxm_output(5,
"iSendContig ========> Sending ADI msg (to=%d type=%d) for req %p (data_size %d, %d) \n",
vc->pg_rank, sreq->dev.pending_pkt.type, sreq, sizeof(MPIDI_CH3_Pkt_t),
data_sz);
vc_area = VC_BASE(vc);
req_area = REQ_BASE(sreq);
req_area->ctx = sreq;
req_area->iov_buf = req_area->tmp_buf;
req_area->iov_count = 0;
req_area->iov_buf[req_area->iov_count].ptr = (void *) &(sreq->dev.pending_pkt);
req_area->iov_buf[req_area->iov_count].length = sizeof(MPIDI_CH3_Pkt_t);
(req_area->iov_count)++;
if (sreq->dev.ext_hdr_sz != 0) {
req_area->iov_buf[req_area->iov_count].ptr = (void *) (sreq->dev.ext_hdr_ptr);
req_area->iov_buf[req_area->iov_count].length = sreq->dev.ext_hdr_sz;
(req_area->iov_count)++;
}
if (data_sz) {
req_area->iov_buf[req_area->iov_count].ptr = (void *) data;
req_area->iov_buf[req_area->iov_count].length = data_sz;
(req_area->iov_count)++;
}
vc_area->pending_sends += 1;
sreq->ch.vc = vc;
sreq->ch.noncontig = FALSE;
mpi_errno = _mxm_isend(vc_area->mxm_ep, req_area, MXM_MPICH_ISEND_AM,
mxm_obj->mxm_mq, mxm_obj->mxm_rank, MXM_MPICH_HID_ADI_MSG, 0, 0);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
fn_exit:
MPIDI_FUNC_EXIT(MPID_STATE_MPID_NEM_MXM_ISENDCONTIGMSG);
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPID_nem_mxm_SendNoncontig(MPIDI_VC_t * vc, MPID_Request * sreq, void *hdr,
MPIDI_msg_sz_t hdr_sz)
{
int mpi_errno = MPI_SUCCESS;
MPIDI_msg_sz_t last;
MPID_nem_mxm_vc_area *vc_area = NULL;
MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_STATE_DECL(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
MPIDI_FUNC_ENTER(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
MPIU_Assert(hdr_sz <= sizeof(MPIDI_CH3_Pkt_t));
MPIU_DBG_MSG(CH3_CHANNEL, VERBOSE, "MPID_nem_mxm_iSendNoncontig");
MPIU_Memcpy(&(sreq->dev.pending_pkt), (char *) hdr, sizeof(MPIDI_CH3_Pkt_t));
_dbg_mxm_output(5,
"SendNoncontig ========> Sending ADI msg (to=%d type=%d) for req %p (data_size %d, %d) \n",
vc->pg_rank, sreq->dev.pending_pkt.type, sreq, sizeof(MPIDI_CH3_Pkt_t),
sreq->dev.segment_size);
vc_area = VC_BASE(vc);
req_area = REQ_BASE(sreq);
req_area->ctx = sreq;
req_area->iov_buf = req_area->tmp_buf;
req_area->iov_count = 1;
req_area->iov_buf[0].ptr = (void *) &(sreq->dev.pending_pkt);
req_area->iov_buf[0].length = sizeof(MPIDI_CH3_Pkt_t);
MPIU_Assert(sreq->dev.segment_first == 0);
last = sreq->dev.segment_size;
if (last > 0) {
sreq->dev.tmpbuf = MPIU_Malloc((size_t) sreq->dev.segment_size);
MPIU_Assert(sreq->dev.tmpbuf);
MPID_Segment_pack(sreq->dev.segment_ptr, sreq->dev.segment_first, &last, sreq->dev.tmpbuf);
MPIU_Assert(last == sreq->dev.segment_size);
req_area->iov_count = 2;
req_area->iov_buf[1].ptr = sreq->dev.tmpbuf;
req_area->iov_buf[1].length = last;
}
vc_area->pending_sends += 1;
sreq->ch.vc = vc;
sreq->ch.noncontig = TRUE;
mpi_errno = _mxm_isend(vc_area->mxm_ep, req_area, MXM_MPICH_ISEND_AM,
mxm_obj->mxm_mq, mxm_obj->mxm_rank, MXM_MPICH_HID_ADI_MSG, 0, 0);
if (mpi_errno)
MPIU_ERR_POP(mpi_errno);
fn_exit:
MPIDI_FUNC_EXIT(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPID_nem_mxm_issend(MPIDI_VC_t * vc, const void *buf, int count, MPI_Datatype datatype,
int rank, int tag, MPID_Comm * comm, int context_offset,
MPID_Request ** sreq_ptr)
{
int mpi_errno = MPI_SUCCESS;
MPID_Request *sreq = NULL;
MPID_Datatype *dt_ptr;
int dt_contig;
MPIDI_msg_sz_t data_sz;
MPI_Aint dt_true_lb;
MPID_nem_mxm_vc_area *vc_area = NULL;
MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_STATE_DECL(MPID_STATE_MPID_NEM_MXM_ISSEND);
MPIDI_FUNC_ENTER(MPID_STATE_MPID_NEM_MXM_ISSEND);
MPIDI_Datatype_get_info(count, datatype, dt_contig, data_sz, dt_ptr, dt_true_lb);
/* create a request */
MPIDI_Request_create_sreq(sreq, mpi_errno, goto fn_exit);
MPIU_Assert(sreq != NULL);
MPIDI_Request_set_type(sreq, MPIDI_REQUEST_TYPE_SEND);
MPIDI_VC_FAI_send_seqnum(vc, seqnum);
MPIDI_Request_set_seqnum(sreq, seqnum);
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN) {
MPID_Datatype_get_ptr(datatype, sreq->dev.datatype_ptr);
MPID_Datatype_add_ref(sreq->dev.datatype_ptr);
}
sreq->partner_request = NULL;
sreq->dev.OnDataAvail = NULL;
sreq->dev.tmpbuf = NULL;
sreq->ch.vc = vc;
sreq->ch.noncontig = FALSE;
_dbg_mxm_output(5,
"isSend ========> Sending USER msg for req %p (context %d to %d tag %d size %d) \n",
sreq, comm->context_id + context_offset, rank, tag, data_sz);
vc_area = VC_BASE(vc);
req_area = REQ_BASE(sreq);
req_area-> ctx = sreq;
req_area->iov_buf = req_area->tmp_buf;
req_area->iov_count = 0;
req_area->iov_buf[0].ptr = NULL;
req_area->iov_buf[0].length = 0;
if (data_sz) {
if (dt_contig) {
req_area->iov_count = 1;
req_area->iov_buf[0].ptr = (char *) (buf) + dt_true_lb;
req_area->iov_buf[0].length = data_sz;
}
else {
MPIDI_msg_sz_t last;
MPI_Aint packsize = 0;
sreq->ch.noncontig = TRUE;
sreq->dev.segment_ptr = MPID_Segment_alloc();
MPIU_ERR_CHKANDJUMP1((sreq->dev.segment_ptr == NULL), mpi_errno, MPI_ERR_OTHER,
"**nomem", "**nomem %s", "MPID_Segment_alloc");
MPIR_Pack_size_impl(count, datatype, &packsize);
last = data_sz;
if (packsize > 0) {
sreq->dev.tmpbuf = MPIU_Malloc((size_t) packsize);
MPIU_Assert(sreq->dev.tmpbuf);
MPID_Segment_init(buf, count, datatype, sreq->dev.segment_ptr, 0);
MPID_Segment_pack(sreq->dev.segment_ptr, 0, &last, sreq->dev.tmpbuf);
req_area->iov_count = 1;
req_area->iov_buf[0].ptr = sreq->dev.tmpbuf;
req_area->iov_buf[0].length = last;
}
}
}
vc_area->pending_sends += 1;
mpi_errno = _mxm_isend(vc_area->mxm_ep, req_area, MXM_MPICH_ISEND_SYNC,
(mxm_mq_h) comm->dev.ch.netmod_priv, comm->rank, tag, _mxm_tag_mpi2mxm(tag,
comm->context_id
+
context_offset),
0);
if (mpi_errno)
MPIU_ERR_POP(mpi_errno);
_dbg_mxm_out_req(sreq);
fn_exit:
*sreq_ptr = sreq;
MPIDI_FUNC_EXIT(MPID_STATE_MPID_NEM_MXM_ISSEND);
return mpi_errno;
fn_fail:
goto fn_exit;
}
int MPID_nem_mxm_SendNoncontig(MPIDI_VC_t * vc, MPID_Request * sreq, void *hdr,
MPIDI_msg_sz_t hdr_sz)
{
int mpi_errno = MPI_SUCCESS;
MPIDI_msg_sz_t last;
MPID_nem_mxm_vc_area *vc_area = NULL;
MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_STATE_DECL(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
MPIDI_FUNC_ENTER(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
MPIU_Assert(hdr_sz <= sizeof(MPIDI_CH3_Pkt_t));
MPIU_DBG_MSG(CH3_CHANNEL, VERBOSE, "MPID_nem_mxm_iSendNoncontig");
MPIU_Memcpy(&(sreq->dev.pending_pkt), (char *) hdr, sizeof(MPIDI_CH3_Pkt_t));
_dbg_mxm_output(5,
"SendNoncontig ========> Sending ADI msg (to=%d type=%d) for req %p (data_size %d, %d) \n",
vc->pg_rank, sreq->dev.pending_pkt.type, sreq, sizeof(MPIDI_CH3_Pkt_t),
sreq->dev.segment_size - sreq->dev.segment_first);
vc_area = VC_BASE(vc);
req_area = REQ_BASE(sreq);
req_area->ctx = sreq;
req_area->iov_buf = req_area->tmp_buf;
req_area->iov_count = 0;
req_area->iov_buf[req_area->iov_count].ptr = (void *) &(sreq->dev.pending_pkt);
req_area->iov_buf[req_area->iov_count].length = sizeof(MPIDI_CH3_Pkt_t);
(req_area->iov_count)++;
if (sreq->dev.ext_hdr_ptr != NULL) {
req_area->iov_buf[req_area->iov_count].ptr = (void *) (sreq->dev.ext_hdr_ptr);
req_area->iov_buf[req_area->iov_count].length = sreq->dev.ext_hdr_sz;
(req_area->iov_count)++;
}
last = sreq->dev.segment_size;
/* NOTE: currently upper layer never pass packet with data that has
* either "last <= 0" or "last-sreq->dev.segment_first <=0" to this
* layer. In future, if upper layer passes such kind of packet, the
* judgement of the following IF branch needs to be modified. */
MPIU_Assert(last > 0 && last - sreq->dev.segment_first > 0);
if (last > 0) {
sreq->dev.tmpbuf = MPIU_Malloc((size_t) (sreq->dev.segment_size - sreq->dev.segment_first));
MPIU_Assert(sreq->dev.tmpbuf);
MPID_Segment_pack(sreq->dev.segment_ptr, sreq->dev.segment_first, &last, sreq->dev.tmpbuf);
MPIU_Assert(last == sreq->dev.segment_size);
req_area->iov_buf[req_area->iov_count].ptr = sreq->dev.tmpbuf;
req_area->iov_buf[req_area->iov_count].length = last - sreq->dev.segment_first;
(req_area->iov_count)++;
}
vc_area->pending_sends += 1;
sreq->ch.vc = vc;
sreq->ch.noncontig = TRUE;
mpi_errno = _mxm_isend(vc_area->mxm_ep, req_area, MXM_MPICH_ISEND_AM,
mxm_obj->mxm_mq, mxm_obj->mxm_rank, MXM_MPICH_HID_ADI_MSG, 0, 0);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
fn_exit:
MPIDI_FUNC_EXIT(MPID_STATE_MPID_NEM_MXM_SENDNONCONTIGMSG);
return mpi_errno;
fn_fail:
goto fn_exit;
}