202 строки
6.8 KiB
C
202 строки
6.8 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* 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_IB_FRAG_H
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#define MCA_BTL_IB_FRAG_H
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#define MCA_BTL_IB_FRAG_ALIGN (8)
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#include "ompi_config.h"
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#include "btl_openib.h"
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#include <infiniband/verbs.h>
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#include "ompi/mca/mpool/openib/mpool_openib.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_btl_openib_frag_t);
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struct mca_btl_openib_header_t {
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mca_btl_base_tag_t tag;
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int16_t credits;
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int16_t rdma_credits;
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};
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typedef struct mca_btl_openib_header_t mca_btl_openib_header_t;
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struct mca_btl_openib_footer_t {
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#ifdef OMPI_ENABLE_DEBUG
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uint32_t seq;
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#endif
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union {
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uint32_t size;
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uint8_t buf[4];
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} u;
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};
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typedef struct mca_btl_openib_footer_t mca_btl_openib_footer_t;
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typedef enum {
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MCA_BTL_OPENIB_CONTROL_NOOP,
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MCA_BTL_OPENIB_CONTROL_RDMA
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} mca_btl_openib_control_t;
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struct mca_btl_openib_control_header_t {
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mca_btl_openib_control_t type;
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};
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typedef struct mca_btl_openib_control_header_t mca_btl_openib_control_header_t;
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struct mca_btl_openib_eager_rdma_header_t {
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mca_btl_openib_control_header_t control;
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ompi_ptr_t rdma_start;
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uint64_t rkey;
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};
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typedef struct mca_btl_openib_eager_rdma_header_t mca_btl_openib_eager_rdma_header_t;
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/**
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* IB send fragment derived type.
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*/
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struct mca_btl_openib_frag_t {
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mca_btl_base_descriptor_t base;
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mca_btl_base_segment_t segment;
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struct mca_btl_base_endpoint_t *endpoint;
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size_t size;
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int rc;
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union{
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struct ibv_recv_wr rd_desc;
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struct ibv_send_wr sr_desc;
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} wr_desc;
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struct ibv_sge sg_entry;
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struct ibv_mr *mr;
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mca_btl_openib_header_t *hdr;
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mca_btl_openib_footer_t *ftr;
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mca_mpool_openib_registration_t * openib_reg;
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};
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typedef struct mca_btl_openib_frag_t mca_btl_openib_frag_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_frag_t);
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typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_eager_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_eager_t);
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typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_max_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_max_t);
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typedef struct mca_btl_openib_frag_t mca_btl_openib_send_frag_frag_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_frag_t);
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typedef struct mca_btl_openib_frag_t mca_btl_openib_recv_frag_eager_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_recv_frag_eager_t);
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typedef struct mca_btl_openib_frag_t mca_btl_openib_recv_frag_max_t;
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OBJ_CLASS_DECLARATION(mca_btl_openib_recv_frag_max_t);
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/*
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* Allocate an IB send descriptor
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*
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*/
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#define MCA_BTL_IB_FRAG_ALLOC_EAGER(btl, frag, rc) \
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{ \
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\
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opal_list_item_t *item; \
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OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_eager, item, rc); \
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frag = (mca_btl_openib_frag_t*) item; \
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}
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#define MCA_BTL_IB_FRAG_RETURN_EAGER(btl, frag) \
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{ \
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OMPI_FREE_LIST_RETURN(&((mca_btl_openib_module_t*)btl)->send_free_eager, (opal_list_item_t*)(frag)); \
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}
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#define MCA_BTL_IB_FRAG_ALLOC_MAX(btl, frag, rc) \
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{ \
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\
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opal_list_item_t *item; \
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OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_max, item, rc); \
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frag = (mca_btl_openib_frag_t*) item; \
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}
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#define MCA_BTL_IB_FRAG_RETURN_MAX(btl, frag) \
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{ \
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OMPI_FREE_LIST_RETURN(&((mca_btl_openib_module_t*)btl)->send_free_max, (opal_list_item_t*)(frag)); \
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}
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#define MCA_BTL_IB_FRAG_ALLOC_FRAG(btl, frag, rc) \
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{ \
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\
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opal_list_item_t *item; \
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OMPI_FREE_LIST_WAIT(&((mca_btl_openib_module_t*)btl)->send_free_frag, item, rc); \
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frag = (mca_btl_openib_frag_t*) item; \
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}
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#define MCA_BTL_IB_FRAG_RETURN_FRAG(btl, frag) \
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{ \
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OMPI_FREE_LIST_RETURN(&((mca_btl_openib_module_t*)btl)->send_free_frag, (opal_list_item_t*)(frag)); \
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}
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#define MCA_BTL_IB_FRAG_PROGRESS(frag) \
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do { \
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switch(frag->wr_desc.sr_desc.opcode) { \
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case IBV_WR_SEND: \
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if(OMPI_SUCCESS != mca_btl_openib_endpoint_send(frag->endpoint, frag)) { \
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BTL_ERROR(("error in posting pending send\n")); \
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} \
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break; \
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case IBV_WR_RDMA_WRITE: \
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if(OMPI_SUCCESS != mca_btl_openib_put((mca_btl_base_module_t*) openib_btl, \
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frag->endpoint, \
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(mca_btl_base_descriptor_t*) frag)) { \
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BTL_ERROR(("error in posting pending rdma write\n")); \
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} \
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break; \
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case IBV_WR_RDMA_READ: \
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if(OMPI_SUCCESS != mca_btl_openib_get((mca_btl_base_module_t *) openib_btl, \
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frag->endpoint, \
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(mca_btl_base_descriptor_t*) frag)) { \
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BTL_ERROR(("error in posting pending rdma read\n")); \
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} \
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break; \
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default: \
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BTL_ERROR(("error in posting pending operation, invalide opcode %d\n", frag->wr_desc.sr_desc.opcode)); \
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break; \
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} \
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} while (0)
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struct mca_btl_openib_module_t;
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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