148 строки
4.0 KiB
C
148 строки
4.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011-2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_BTL_UGNI_ENDPOINT_H
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#define MCA_BTL_UGNI_ENDPOINT_H
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#include "btl_ugni.h"
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enum mca_btl_ugni_endpoint_state_t {
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MCA_BTL_UGNI_EP_STATE_INIT = 0,
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MCA_BTL_UGNI_EP_STATE_CONNECTING,
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MCA_BTL_UGNI_EP_STATE_CONNECTED
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};
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typedef enum mca_btl_ugni_endpoint_state_t mca_btl_ugni_endpoint_state_t;
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struct mca_btl_ugni_smsg_mbox_t;
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typedef struct mca_btl_base_endpoint_t {
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opal_list_item_t super;
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opal_proc_t *peer_proc;
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opal_mutex_t lock;
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mca_btl_ugni_endpoint_state_t state;
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opal_common_ugni_endpoint_t *common;
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mca_btl_ugni_module_t *btl;
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gni_ep_handle_t smsg_ep_handle;
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gni_ep_handle_t rdma_ep_handle;
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mca_btl_ugni_endpoint_attr_t remote_attr; /* TODO: UGH, remove this */
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struct mca_btl_ugni_smsg_mbox_t *mailbox;
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gni_mem_handle_t rmt_irq_mem_hndl;
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opal_list_t frag_wait_list;
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bool wait_listed;
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int32_t smsg_progressing;
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int index;
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} mca_btl_base_endpoint_t;
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typedef mca_btl_base_endpoint_t mca_btl_ugni_endpoint_t;
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OBJ_CLASS_DECLARATION(mca_btl_ugni_endpoint_t);
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int mca_btl_ugni_ep_connect_progress (mca_btl_ugni_endpoint_t *ep);
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int mca_btl_ugni_ep_disconnect (mca_btl_ugni_endpoint_t *ep, bool send_disconnect);
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static inline int mca_btl_ugni_init_ep (mca_btl_ugni_module_t *ugni_module,
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mca_btl_ugni_endpoint_t **ep,
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mca_btl_ugni_module_t *btl,
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opal_proc_t *peer_proc) {
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mca_btl_ugni_endpoint_t *endpoint;
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endpoint = OBJ_NEW(mca_btl_ugni_endpoint_t);
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assert (endpoint != NULL);
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endpoint->smsg_progressing = 0;
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endpoint->state = MCA_BTL_UGNI_EP_STATE_INIT;
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endpoint->btl = btl;
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endpoint->peer_proc = peer_proc;
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endpoint->common = NULL;
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endpoint->index = opal_pointer_array_add (&ugni_module->endpoints, endpoint);
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*ep = endpoint;
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return OPAL_SUCCESS;
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}
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static inline void mca_btl_ugni_release_ep (mca_btl_ugni_endpoint_t *ep) {
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int rc;
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if (ep->common) {
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opal_mutex_lock (&ep->lock);
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rc = mca_btl_ugni_ep_disconnect (ep, false);
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if (OPAL_UNLIKELY(OPAL_SUCCESS != rc)) {
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BTL_VERBOSE(("btl/ugni error disconnecting endpoint"));
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}
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/* TODO -- Clear space at the end of the endpoint array */
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opal_pointer_array_set_item (&ep->btl->endpoints, ep->index, NULL);
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opal_mutex_unlock (&ep->lock);
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opal_common_ugni_endpoint_return (ep->common);
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}
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OBJ_RELEASE(ep);
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}
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static inline int mca_btl_ugni_check_endpoint_state (mca_btl_ugni_endpoint_t *ep) {
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int rc;
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if (OPAL_LIKELY(MCA_BTL_UGNI_EP_STATE_CONNECTED == ep->state)) {
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return OPAL_SUCCESS;
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}
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opal_mutex_lock (&ep->lock);
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switch (ep->state) {
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case MCA_BTL_UGNI_EP_STATE_INIT:
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rc = mca_btl_ugni_ep_connect_progress (ep);
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if (OPAL_SUCCESS != rc) {
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break;
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}
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case MCA_BTL_UGNI_EP_STATE_CONNECTING:
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rc = OPAL_ERR_RESOURCE_BUSY;
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break;
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default:
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rc = OPAL_SUCCESS;
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}
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opal_mutex_unlock (&ep->lock);
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return rc;
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}
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static inline int mca_btl_ugni_wildcard_ep_post (mca_btl_ugni_module_t *ugni_module) {
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gni_return_t rc;
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BTL_VERBOSE(("posting wildcard datagram"));
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memset (&ugni_module->wc_local_attr, 0, sizeof (ugni_module->wc_local_attr));
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memset (&ugni_module->wc_remote_attr, 0, sizeof (ugni_module->wc_remote_attr));
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rc = GNI_EpPostDataWId (ugni_module->wildcard_ep, &ugni_module->wc_local_attr,
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sizeof (ugni_module->wc_local_attr), &ugni_module->wc_remote_attr,
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sizeof (ugni_module->wc_remote_attr), MCA_BTL_UGNI_CONNECT_WILDCARD_ID);
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return opal_common_rc_ugni_to_opal (rc);
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}
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#endif /* MCA_BTL_UGNI_ENDPOINT_H */
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