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openmpi/opal/mca/btl/ugni/btl_ugni_frag.h
Nathan Hjelm 655604f509 btl/ugni: update for BTL 3.0 interface
Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
2015-02-13 11:46:37 -07:00

205 строки
7.5 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
* Copyright (c) 2013 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#if !defined(MCA_BTL_UGNI_FRAG_H)
#define MCA_BTL_UGNI_FRAG_H
#include "btl_ugni.h"
#include "btl_ugni_endpoint.h"
typedef struct mca_btl_ugni_send_frag_hdr_t {
uint32_t lag;
} mca_btl_ugni_send_frag_hdr_t;
typedef struct mca_btl_ugni_send_ex_frag_hdr_t {
mca_btl_ugni_send_frag_hdr_t send;
uint8_t pml_header[128];
} mca_btl_ugni_send_ex_frag_hdr_t;
typedef struct mca_btl_ugni_rdma_frag_hdr_t {
void *ctx;
} mca_btl_ugni_rdma_frag_hdr_t;
typedef struct mca_btl_ugni_eager_frag_hdr_t {
mca_btl_ugni_send_frag_hdr_t send;
uint32_t size;
uint64_t address;
mca_btl_base_registration_handle_t memory_handle;
void *ctx;
} mca_btl_ugni_eager_frag_hdr_t;
typedef struct mca_btl_ugni_eager_ex_frag_hdr_t {
mca_btl_ugni_eager_frag_hdr_t eager;
uint8_t pml_header[128];
} mca_btl_ugni_eager_ex_frag_hdr_t;
typedef union mca_btl_ugni_frag_hdr_t {
mca_btl_ugni_send_frag_hdr_t send;
mca_btl_ugni_send_ex_frag_hdr_t send_ex;
mca_btl_ugni_rdma_frag_hdr_t rdma;
mca_btl_ugni_eager_frag_hdr_t eager;
mca_btl_ugni_eager_ex_frag_hdr_t eager_ex;
} mca_btl_ugni_frag_hdr_t;
enum {
MCA_BTL_UGNI_FRAG_BUFFERED = 1, /* frag data is buffered */
MCA_BTL_UGNI_FRAG_COMPLETE = 2, /* smsg complete for frag */
MCA_BTL_UGNI_FRAG_EAGER = 4, /* eager get frag */
MCA_BTL_UGNI_FRAG_IGNORE = 8, /* ignore local smsg completion */
MCA_BTL_UGNI_FRAG_SMSG_COMPLETE = 16, /* SMSG has completed for this message */
MCA_BTL_UGNI_FRAG_RESPONSE = 32,
};
struct mca_btl_ugni_base_frag_t;
typedef struct mca_btl_ugni_base_frag_t {
mca_btl_base_descriptor_t base;
uint32_t msg_id;
uint16_t hdr_size;
uint16_t flags;
mca_btl_ugni_frag_hdr_t hdr;
mca_btl_base_segment_t segments[2];
opal_common_ugni_post_desc_t post_desc;
mca_btl_base_endpoint_t *endpoint;
mca_btl_ugni_reg_t *registration;
ompi_free_list_t *my_list;
mca_btl_base_registration_handle_t memory_handle;
} mca_btl_ugni_base_frag_t;
typedef struct mca_btl_ugni_base_frag_t mca_btl_ugni_smsg_frag_t;
typedef struct mca_btl_ugni_base_frag_t mca_btl_ugni_rdma_frag_t;
typedef struct mca_btl_ugni_base_frag_t mca_btl_ugni_eager_frag_t;
#define MCA_BTL_UGNI_DESC_TO_FRAG(desc) \
((mca_btl_ugni_base_frag_t *)((uintptr_t) (desc) - offsetof (mca_btl_ugni_base_frag_t, post_desc)))
typedef struct mca_btl_ugni_post_descriptor_t {
ompi_free_list_item_t super;
opal_common_ugni_post_desc_t desc;
mca_btl_base_endpoint_t *endpoint;
mca_btl_base_registration_handle_t *local_handle;
mca_btl_base_rdma_completion_fn_t cbfunc;
void *cbdata;
void *ctx;
} mca_btl_ugni_post_descriptor_t;
OBJ_CLASS_DECLARATION(mca_btl_ugni_post_descriptor_t);
#define MCA_BTL_UGNI_DESC_TO_PDESC(desc) \
((mca_btl_ugni_post_descriptor_t *)((uintptr_t) (desc) - offsetof (mca_btl_ugni_post_descriptor_t, desc)))
static inline void mca_btl_ugni_alloc_post_descriptor (mca_btl_base_endpoint_t *endpoint, mca_btl_base_registration_handle_t *local_handle,
mca_btl_base_rdma_completion_fn_t cbfunc, void *cbcontext, void *cbdata,
mca_btl_ugni_post_descriptor_t **desc)
{
ompi_free_list_item_t *item = NULL;
OMPI_FREE_LIST_GET_MT(&endpoint->btl->post_descriptors, item);
*desc = (mca_btl_ugni_post_descriptor_t *) item;
if (NULL != item) {
(*desc)->cbfunc = cbfunc;
(*desc)->ctx = cbcontext;
(*desc)->cbdata = cbdata;
(*desc)->local_handle = local_handle;
(*desc)->endpoint = endpoint;
}
}
static inline void mca_btl_ugni_return_post_descriptor (mca_btl_ugni_module_t *module,
mca_btl_ugni_post_descriptor_t *desc)
{
OMPI_FREE_LIST_RETURN_MT(&module->post_descriptors, &desc->super);
}
static inline void mca_btl_ugni_post_desc_complete (mca_btl_ugni_module_t *module, mca_btl_ugni_post_descriptor_t *desc, int rc)
{
BTL_VERBOSE(("RDMA/FMA/ATOMIC operation complete for post descriptor %p. rc = %d", (void *) desc, rc));
if (NULL != desc->cbfunc) {
/* call the user's callback function */
desc->cbfunc (&module->super, desc->endpoint, (void *)(intptr_t) desc->desc.base.local_addr,
desc->local_handle, desc->ctx, desc->cbdata, rc);
}
/* the descriptor is no longer needed */
mca_btl_ugni_return_post_descriptor (module, desc);
}
OBJ_CLASS_DECLARATION(mca_btl_ugni_smsg_frag_t);
OBJ_CLASS_DECLARATION(mca_btl_ugni_rdma_frag_t);
OBJ_CLASS_DECLARATION(mca_btl_ugni_eager_frag_t);
void mca_btl_ugni_frag_init (mca_btl_ugni_base_frag_t *frag, mca_btl_ugni_module_t *ugni_module);
static inline int mca_btl_ugni_frag_alloc (mca_btl_base_endpoint_t *ep,
ompi_free_list_t *list,
mca_btl_ugni_base_frag_t **frag)
{
ompi_free_list_item_t *item = NULL;
OMPI_FREE_LIST_GET_MT(list, item);
*frag = (mca_btl_ugni_base_frag_t *) item;
if (OPAL_LIKELY(NULL != item)) {
(*frag)->my_list = list;
(*frag)->endpoint = ep;
return OPAL_SUCCESS;
}
return OPAL_ERR_OUT_OF_RESOURCE;
}
static inline int mca_btl_ugni_frag_return (mca_btl_ugni_base_frag_t *frag)
{
if (frag->registration) {
frag->endpoint->btl->super.btl_mpool->mpool_deregister(frag->endpoint->btl->super.btl_mpool,
(mca_mpool_base_registration_t *) frag->registration);
frag->registration = NULL;
}
frag->flags = 0;
OMPI_FREE_LIST_RETURN_MT(frag->my_list, (ompi_free_list_item_t *) frag);
return OPAL_SUCCESS;
}
static inline void mca_btl_ugni_frag_complete (mca_btl_ugni_base_frag_t *frag, int rc) {
frag->flags |= MCA_BTL_UGNI_FRAG_COMPLETE;
BTL_VERBOSE(("frag complete. flags = %d", frag->base.des_flags));
/* call callback if specified */
if (frag->base.des_flags & MCA_BTL_DES_SEND_ALWAYS_CALLBACK) {
frag->base.des_cbfunc(&frag->endpoint->btl->super, frag->endpoint, &frag->base, rc);
}
if (frag->base.des_flags & MCA_BTL_DES_FLAGS_BTL_OWNERSHIP) {
mca_btl_ugni_frag_return (frag);
}
}
#define MCA_BTL_UGNI_FRAG_ALLOC_SMSG(ep, frag) \
mca_btl_ugni_frag_alloc((ep), &(ep)->btl->smsg_frags, &(frag))
#define MCA_BTL_UGNI_FRAG_ALLOC_RDMA(ep, frag) \
mca_btl_ugni_frag_alloc((ep), &(ep)->btl->rdma_frags, &(frag))
#define MCA_BTL_UGNI_FRAG_ALLOC_RDMA_INT(ep, frag) \
mca_btl_ugni_frag_alloc((ep), &(ep)->btl->rdma_int_frags, &(frag))
#define MCA_BTL_UGNI_FRAG_ALLOC_EAGER_SEND(ep, frag) \
mca_btl_ugni_frag_alloc((ep), &(ep)->btl->eager_frags_send, &(frag))
#define MCA_BTL_UGNI_FRAG_ALLOC_EAGER_RECV(ep, frag) \
mca_btl_ugni_frag_alloc((ep), &(ep)->btl->eager_frags_recv, &(frag))
#endif /* MCA_BTL_UGNI_FRAG_H */