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/*
* Copyright (c) 2004-2005 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 (c) 2010 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include "mtl_portals4.h"
#include "mtl_portals4_recv_short.h"
OBJ_CLASS_INSTANCE(ompi_mtl_portals4_recv_short_block_t,
opal_list_item_t,
NULL, NULL);
static inline int ompi_mtl_portals4_activate_block(ompi_mtl_portals4_recv_short_block_t *block);
static int ompi_mtl_portals4_recv_short_block_free(ompi_mtl_portals4_recv_short_block_t *block);
static int
ompi_mtl_portals4_recv_block_progress(ptl_event_t *ev,
ompi_mtl_portals4_base_request_t* ptl_base_request)
{
int ret = OMPI_SUCCESS;
ompi_mtl_portals4_recv_short_request_t *ptl_request =
(ompi_mtl_portals4_recv_short_request_t*) ptl_base_request;
ompi_mtl_portals4_recv_short_block_t *block = ptl_request->block;
switch (ev->type) {
case PTL_EVENT_AUTO_FREE:
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
switch (block->status) {
case BLOCK_STATUS_ACTIVATED: /* May be encountered with multi threading */
block->status = BLOCK_STATUS_WAITING_UNLINK;
ompi_mtl_portals4.active_recv_short_blocks--;
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
OPAL_OUTPUT_VERBOSE((10, ompi_mtl_base_framework.framework_output,
"mtl:portals4 PTL_EVENT_AUTO_FREE received before PTL_EVENT_AUTO_UNLINK"));
break;
case BLOCK_STATUS_WAITING_FREE: /* Normal case */
if (OPAL_UNLIKELY(block->release_on_free)) {
opal_list_remove_item(&ompi_mtl_portals4.recv_short_blocks,
&block->base);
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
ret = ompi_mtl_portals4_recv_short_block_free(block);
} else {
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
ret = ompi_mtl_portals4_activate_block(block);
}
break;
default:
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: Bad status (%d) when receiving PTL_EVENT_AUTO_FREE",
__FILE__, __LINE__, block->status);
break;
}
break;
case PTL_EVENT_AUTO_UNLINK:
block->me_h = PTL_INVALID_HANDLE;
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
switch (block->status) {
case BLOCK_STATUS_ACTIVATED: /* Normal case */
block->status = BLOCK_STATUS_WAITING_FREE;
ompi_mtl_portals4.active_recv_short_blocks--;
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
break;
case BLOCK_STATUS_WAITING_UNLINK: /* May be encountered with multi threading */
if (OPAL_UNLIKELY(block->release_on_free)) {
opal_list_remove_item(&ompi_mtl_portals4.recv_short_blocks,
&block->base);
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
ret = ompi_mtl_portals4_recv_short_block_free(block);
} else {
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
OPAL_OUTPUT_VERBOSE((10, ompi_mtl_base_framework.framework_output,
"mtl:portals4 PTL_EVENT_AUTO_UNLINK received after PTL_EVENT_AUTO_FREE"));
ret = ompi_mtl_portals4_activate_block(block);
}
break;
default:
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: Bad status (%d) when receiving PTL_EVENT_AUTO_UNLINK",
__FILE__, __LINE__, block->status);
break;
}
break;
case PTL_EVENT_LINK:
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
switch (block->status) {
case BLOCK_STATUS_WAITING_LINK:
block->status = BLOCK_STATUS_ACTIVATED;
ompi_mtl_portals4.active_recv_short_blocks++;
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
break;
default:
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
opal_output_verbose(1, ompi_mtl_base_framework.framework_output,
"%s:%d: Bad status (%d) when receiving PTL_EVENT_LINK",
__FILE__, __LINE__, block->status);
break;
}
break;
default:
OPAL_OUTPUT_VERBOSE((50, ompi_mtl_base_framework.framework_output,
"Other EVENT %d, hdr_data = %lx", ev->type, (long unsigned) ev->hdr_data));
break;
}
return ret;
}
static ompi_mtl_portals4_recv_short_block_t*
ompi_mtl_portals4_recv_short_block_alloc(bool release_on_free)
{
ompi_mtl_portals4_recv_short_block_t *block;
block = OBJ_NEW(ompi_mtl_portals4_recv_short_block_t);
block->start = malloc(ompi_mtl_portals4.recv_short_size);
block->status = BLOCK_STATUS_INACTIVE;
if (block->start == NULL) return NULL;
block->me_h = PTL_INVALID_HANDLE;
block->request.block = block;
block->request.super.type = portals4_req_recv_short;
block->request.super.event_callback = ompi_mtl_portals4_recv_block_progress;
block->release_on_free = release_on_free;
return block;
}
static int
ompi_mtl_portals4_recv_short_block_free(ompi_mtl_portals4_recv_short_block_t *block)
{
if (!PtlHandleIsEqual(block->me_h, PTL_INVALID_HANDLE)) {
PtlMEUnlink(block->me_h);
block->me_h = PTL_INVALID_HANDLE;
}
if (NULL != block->start) {
free(block->start);
block->start = NULL;
}
OBJ_RELEASE(block);
return OMPI_SUCCESS;
}
static inline int
ompi_mtl_portals4_activate_block(ompi_mtl_portals4_recv_short_block_t *block)
{
ptl_match_bits_t match_bits = MTL_PORTALS4_SHORT_MSG;
ptl_match_bits_t ignore_bits;
ptl_me_t me;
int ret;
ignore_bits = MTL_PORTALS4_CONTEXT_MASK | MTL_PORTALS4_SOURCE_MASK | MTL_PORTALS4_TAG_MASK;
me.start = block->start;
me.length = ompi_mtl_portals4.recv_short_size;
me.ct_handle = PTL_CT_NONE;
me.min_free = ompi_mtl_portals4.short_limit;
me.uid = ompi_mtl_portals4.uid;
me.options =
PTL_ME_OP_PUT |
PTL_ME_EVENT_COMM_DISABLE |
PTL_ME_MANAGE_LOCAL |
PTL_ME_MAY_ALIGN;
if (ompi_mtl_portals4.use_logical) {
me.match_id.rank = PTL_RANK_ANY;
} else {
me.match_id.phys.nid = PTL_NID_ANY;
me.match_id.phys.pid = PTL_PID_ANY;
}
me.match_bits = match_bits;
me.ignore_bits = ignore_bits;
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
block->status = BLOCK_STATUS_WAITING_LINK;
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
ret = PtlMEAppend(ompi_mtl_portals4.ni_h,
ompi_mtl_portals4.recv_idx,
&me,
PTL_OVERFLOW_LIST,
&block->request,
&block->me_h);
if (OPAL_LIKELY(ret == PTL_OK)) {
ret = OMPI_SUCCESS;
} else {
ret = ompi_mtl_portals4_get_error(ret);
}
return ret;
}
int
ompi_mtl_portals4_recv_short_init(void)
{
int ret = OMPI_SUCCESS;
uint32_t i;
OBJ_CONSTRUCT(&ompi_mtl_portals4.short_block_mutex, opal_mutex_t);
OBJ_CONSTRUCT(&(ompi_mtl_portals4.recv_short_blocks), opal_list_t);
/* create the recv blocks */
for (i = 0 ; i < ompi_mtl_portals4.recv_short_num ; ++i) {
ompi_mtl_portals4_recv_short_block_t *block =
ompi_mtl_portals4_recv_short_block_alloc(false);
if (OPAL_UNLIKELY(NULL == block)) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
opal_list_append(&ompi_mtl_portals4.recv_short_blocks,
&block->base);
ret = ompi_mtl_portals4_activate_block(block);
}
return ret;
}
int
ompi_mtl_portals4_recv_short_fini(void)
{
opal_list_item_t *item;
int ret = OMPI_SUCCESS;
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
while (NULL != (item = opal_list_remove_first(&ompi_mtl_portals4.recv_short_blocks))) {
ompi_mtl_portals4_recv_short_block_t *block =
(ompi_mtl_portals4_recv_short_block_t*) item;
ret = ompi_mtl_portals4_recv_short_block_free(block);
ompi_mtl_portals4.active_recv_short_blocks--;
}
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
return ret;
}
int
ompi_mtl_portals4_recv_short_link(int count)
{
int ret = OMPI_SUCCESS;
int active = ompi_mtl_portals4.active_recv_short_blocks;
int i;
if (active < count) {
for (i = 0 ; i < (count - active) ; ++i) {
ompi_mtl_portals4_recv_short_block_t *block =
ompi_mtl_portals4_recv_short_block_alloc(true);
if (NULL == block) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
OPAL_THREAD_LOCK(&ompi_mtl_portals4.short_block_mutex);
opal_list_append(&ompi_mtl_portals4.recv_short_blocks,
&block->base);
OPAL_OUTPUT_VERBOSE((10, ompi_mtl_base_framework.framework_output,
"recv_short_link: total=%d active=%d",
(int) opal_list_get_size(&ompi_mtl_portals4.recv_short_blocks), ompi_mtl_portals4.active_recv_short_blocks));
OPAL_THREAD_UNLOCK(&ompi_mtl_portals4.short_block_mutex);
ret = ompi_mtl_portals4_activate_block(block);
}
}
return ret;
}
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