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/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/mtl/mtl.h"
#include "opal/class/opal_list.h"
#include "mtl_portals.h"
#include "mtl_portals_endpoint.h"
#include "mtl_portals_request.h"
#include "mtl_portals_recv.h"
#include "mtl_portals_recv_short.h"
#include "mtl_portals_send_short.h"
static ptl_handle_md_t send_catchall_md_h;
static ptl_handle_md_t ack_catchall_md_h;
static ptl_handle_md_t read_catchall_md_h;
static ptl_handle_md_t unex_long_md_h;
static ompi_mtl_portals_request_t catchall_send_request;
static ompi_mtl_portals_request_t catchall_ack_request;
static ompi_mtl_portals_request_t catchall_read_request;
mca_mtl_portals_module_t ompi_mtl_portals = {
{
8191, /* max cid - 2^13 - 1 */
(1UL << 30), /* max tag value - must allow negatives */
0, /* request reserve space */
0, /* flags */
ompi_mtl_portals_add_procs,
ompi_mtl_portals_del_procs,
ompi_mtl_portals_finalize,
ompi_mtl_portals_send,
ompi_mtl_portals_isend,
ompi_mtl_portals_irecv,
ompi_mtl_portals_iprobe,
NULL, /* cancel */
NULL, /* add_comm */
NULL /* del_comm */
}
};
/* BWB - fix me - this should be an ompi_free_list_item_t */
OBJ_CLASS_INSTANCE(ompi_mtl_portals_event_t, opal_list_item_t,
NULL, NULL);
/* catchall callback */
static int
ompi_mtl_portals_catchall_callback(ptl_event_t *ev,
ompi_mtl_portals_request_t *ptl_request)
{
if (ptl_request == &catchall_send_request) {
opal_output(fileno(stderr), "ERROR - received catchall event on send queue");
} else if (ptl_request == &catchall_ack_request) {
opal_output(fileno(stderr), "ERROR - received catchall event on ack queue");
} else if (ptl_request == &catchall_read_request) {
opal_output(fileno(stderr), "ERROR - received catchall event on read queue");
} else {
opal_output(fileno(stderr), "ERROR - received catchall event of unknown origin");
}
abort();
return OMPI_ERROR;
}
int
ompi_mtl_portals_add_procs(struct mca_mtl_base_module_t *mtl,
size_t nprocs,
struct ompi_proc_t** procs,
struct mca_mtl_base_endpoint_t **mtl_peer_data)
{
int ret = OMPI_SUCCESS;
ptl_process_id_t *portals_procs = NULL;
ptl_md_t md;
size_t i;
ptl_match_bits_t match_bits;
ptl_match_bits_t ignore_bits;
ptl_process_id_t anyid = { PTL_NID_ANY, PTL_PID_ANY };
bool accel;
assert(mtl == &ompi_mtl_portals.base);
/* if we haven't already initialized the network, do so now. We
delay until add_procs because if we want the automatic runtime
environment setup the common code does for the utcp
implementation, we can't do it until modex information can be
received. */
if (PTL_INVALID_HANDLE == ompi_mtl_portals.ptl_ni_h) {
ret = ompi_common_portals_ni_initialize(&(ompi_mtl_portals.ptl_ni_h), &accel);
if (OMPI_SUCCESS != ret) goto cleanup;
}
/* event queue for expected events */
ret = PtlEQAlloc(ompi_mtl_portals.ptl_ni_h,
ompi_mtl_portals.ptl_expected_queue_size,
PTL_EQ_HANDLER_NONE,
&(ompi_mtl_portals.ptl_eq_h));
assert(ret == PTL_OK);
/* event queue for unexpected receives */
ret = PtlEQAlloc(ompi_mtl_portals.ptl_ni_h,
ompi_mtl_portals.ptl_unexpected_queue_size,
PTL_EQ_HANDLER_NONE,
&(ompi_mtl_portals.ptl_unex_eq_h));
assert(ret == PTL_OK);
/* empty event queue for PtlMEMDPost() */
ret = PtlEQAlloc(ompi_mtl_portals.ptl_ni_h,
1,
PTL_EQ_HANDLER_NONE,
&(ompi_mtl_portals.ptl_empty_eq_h));
assert(ret == PTL_OK);
/* attach the long unex msg buffer */
match_bits = PTL_LONG_MSG;
ignore_bits = ~(PTL_LONG_MSG);
ret = PtlMEAttach(ompi_mtl_portals.ptl_ni_h,
OMPI_MTL_PORTALS_SEND_TABLE_ID,
anyid,
match_bits,
ignore_bits,
PTL_RETAIN,
PTL_INS_AFTER,
&(ompi_mtl_portals.ptl_unex_long_me_h));
assert(ret == PTL_OK);
md.start = NULL;
md.length = 0;
md.threshold = PTL_MD_THRESH_INF;
md.max_size = 0;
md.options = PTL_MD_OP_PUT | PTL_MD_TRUNCATE | PTL_MD_ACK_DISABLE;
md.eq_handle = ompi_mtl_portals.ptl_unex_eq_h;
md.user_ptr = NULL;
ret = PtlMDAttach(ompi_mtl_portals.ptl_unex_long_me_h,
md,
PTL_RETAIN,
&unex_long_md_h);
assert(ret == PTL_OK);
/* attach catchalls to the send, ack, and read portals */
md.eq_handle = ompi_mtl_portals.ptl_eq_h;
/* catchall for the send portal */
catchall_send_request.event_callback = ompi_mtl_portals_catchall_callback;
md.user_ptr = &catchall_send_request;
ret = PtlMEMDPost(ompi_mtl_portals.ptl_ni_h,
ompi_mtl_portals.ptl_unex_long_me_h,
anyid,
0,
~0,
PTL_RETAIN,
PTL_INS_AFTER,
md,
PTL_UNLINK,
&(ompi_mtl_portals.ptl_send_catchall_me_h),
&send_catchall_md_h,
ompi_mtl_portals.ptl_empty_eq_h);
assert(ret == PTL_OK);
/* catchall for ack portal */
catchall_ack_request.event_callback = ompi_mtl_portals_catchall_callback;
md.user_ptr = &catchall_ack_request;
ret = PtlMEAttach(ompi_mtl_portals.ptl_ni_h,
OMPI_MTL_PORTALS_ACK_TABLE_ID,
anyid,
0,
~0,
PTL_RETAIN,
PTL_INS_AFTER,
&(ompi_mtl_portals.ptl_ack_catchall_me_h));
assert(ret == PTL_OK);
ret = PtlMDAttach(ompi_mtl_portals.ptl_ack_catchall_me_h,
md,
PTL_UNLINK,
&ack_catchall_md_h);
assert(ret == PTL_OK);
/* catchall for read portal */
catchall_read_request.event_callback = ompi_mtl_portals_catchall_callback;
md.user_ptr = &catchall_read_request;
ret = PtlMEAttach(ompi_mtl_portals.ptl_ni_h,
OMPI_MTL_PORTALS_READ_TABLE_ID,
anyid,
0,
~0,
PTL_RETAIN,
PTL_INS_AFTER,
&(ompi_mtl_portals.ptl_read_catchall_me_h));
assert(ret == PTL_OK);
ret = PtlMDAttach(ompi_mtl_portals.ptl_read_catchall_me_h,
md,
PTL_RETAIN,
&read_catchall_md_h);
assert(ret == PTL_OK);
/* attach short unex recv blocks */
ret = ompi_mtl_portals_recv_short_enable((mca_mtl_portals_module_t*) mtl);
opal_progress_register(ompi_mtl_portals_progress);
/* bind zero-length md for sending zero-length msgs and acks */
md.start = NULL;
md.length = 0;
md.threshold = PTL_MD_THRESH_INF;
md.max_size = 0;
md.options = PTL_MD_EVENT_START_DISABLE | PTL_MD_EVENT_END_DISABLE;
md.user_ptr = NULL;
md.eq_handle = PTL_EQ_NONE;
ret = PtlMDBind(ompi_mtl_portals.ptl_ni_h,
md,
PTL_RETAIN,
&ompi_mtl_portals.ptl_zero_md_h );
assert(ret == PTL_OK);
/* set up the short copy blocks */
ompi_mtl_portals_short_setup();
/* get the list of ptl_process_id_t structures for the given proc
structures. If the Portals runtime environment supports
comm_spawn, we'll be able to support it as well. */
portals_procs = malloc(sizeof(ptl_process_id_t) * nprocs);
if (NULL == portals_procs) goto cleanup;
ret = ompi_common_portals_get_procs(nprocs, procs, portals_procs);
if (OMPI_SUCCESS != ret) goto cleanup;
/* copy the ptl_process_id_t information into our per-proc data
store */
for (i = 0 ; i < nprocs ; ++i) {
mtl_peer_data[i] = malloc(sizeof(struct mca_mtl_base_endpoint_t));
if (NULL == mtl_peer_data[i]) goto cleanup;
mtl_peer_data[i]->ptl_proc.nid = portals_procs[i].nid;
mtl_peer_data[i]->ptl_proc.pid = portals_procs[i].pid;
}
cleanup:
if (NULL != portals_procs) free(portals_procs);
return ret;
}
int
ompi_mtl_portals_del_procs(struct mca_mtl_base_module_t *mtl,
size_t nprocs,
struct ompi_proc_t** procs,
struct mca_mtl_base_endpoint_t **mtl_peer_data)
{
size_t i;
assert(mtl == &ompi_mtl_portals.base);
for (i = 0 ; i < nprocs ; ++i) {
if (NULL != mtl_peer_data[i]) {
free(mtl_peer_data[i]);
}
}
ompi_mtl_portals_recv_short_disable((mca_mtl_portals_module_t *) mtl);
ompi_mtl_portals_short_cleanup();
(void)PtlMDUnlink(ompi_mtl_portals.ptl_zero_md_h);
(void)PtlMDUnlink(send_catchall_md_h);
(void)PtlMDUnlink(ack_catchall_md_h);
(void)PtlMDUnlink(read_catchall_md_h);
(void)PtlMDUnlink(unex_long_md_h);
(void)PtlMEUnlink(ompi_mtl_portals.ptl_unex_long_me_h);
(void)PtlMEUnlink(ompi_mtl_portals.ptl_send_catchall_me_h);
(void)PtlMEUnlink(ompi_mtl_portals.ptl_ack_catchall_me_h);
(void)PtlMEUnlink(ompi_mtl_portals.ptl_read_catchall_me_h);
return OMPI_SUCCESS;
}
int
ompi_mtl_portals_finalize(struct mca_mtl_base_module_t *mtl)
{
assert(mtl == &ompi_mtl_portals.base);
/* Don't try to wait for things to finish if we've never initialized */
if (PTL_INVALID_HANDLE != ompi_mtl_portals.ptl_ni_h) {
ptl_event_t ev;
int ret;
opal_progress_unregister(ompi_mtl_portals_progress);
/* Before progressing remaining events, check whether we don't get PTL_EQ_INVALID */
ret = PtlEQPeek(ompi_mtl_portals.ptl_eq_h, &ev);
if (PTL_EQ_INVALID != ret) {
while (0 != ompi_mtl_portals_progress()) { }
}
}
ompi_common_portals_ni_finalize();
ompi_common_portals_finalize();
return OMPI_SUCCESS;
}
int
ompi_mtl_portals_progress(void)
{
int count = 0, ret;
ptl_event_t ev;
ompi_mtl_portals_request_t *ptl_request;
while (true) {
ret = PtlEQGet(ompi_mtl_portals.ptl_eq_h, &ev);
if (PTL_OK == ret) {
if (ev.type == PTL_EVENT_UNLINK) continue;
if (NULL != ev.md.user_ptr) {
ptl_request = ev.md.user_ptr;
ret = ptl_request->event_callback(&ev, ptl_request);
if (OMPI_SUCCESS != ret) {
opal_output(0, " Error returned from the event callback. Error code - %d \n",ret);
abort();
}
}
} else if (PTL_EQ_EMPTY == ret) {
break;
} else {
opal_output(0, " Error returned from PtlEQGet. Error code - %d \n",ret);
abort();
}
}
/* clean out the unexpected event queue too */
if (ompi_mtl_portals.ptl_aggressive_polling == true) {
while ( NULL != ompi_mtl_portals_search_unex_events(0, ~0, true) );
}
return count;
}
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