1
1
openmpi/ompi/mca/mpool/gpusm/mpool_gpusm.h
Rolf vandeVaart c7a0ce2755 Two new mpools. They are not used now (and by default, not compiled)
but they will be soon.  Provide support for GPU buffer transfers within a node.

This commit was SVN r26008.
2012-02-22 23:32:36 +00:00

104 строки
3.1 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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) 2006 Voltaire. All rights reserved.
* Copyright (c) 2012 NVIDIA Corporation. All rights reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_MPOOL_GPUSM_H
#define MCA_MPOOL_GPUSM_H
#include "ompi_config.h"
#include "opal/class/opal_list.h"
#include "ompi/class/ompi_free_list.h"
#include "ompi/mca/mpool/mpool.h"
BEGIN_C_DECLS
#define MEMHANDLE_SIZE 8
#define EVTHANDLE_SIZE 8
struct mca_mpool_gpusm_registration_t {
mca_mpool_base_registration_t base;
uint64_t memHandle[MEMHANDLE_SIZE];
uint64_t evtHandle[EVTHANDLE_SIZE];
uint64_t event;
};
typedef struct mca_mpool_gpusm_registration_t mca_mpool_gpusm_registration_t;
OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_mpool_gpusm_registration_t);
struct mca_mpool_gpusm_component_t {
mca_mpool_base_component_t super;
};
typedef struct mca_mpool_gpusm_component_t mca_mpool_gpusm_component_t;
OMPI_DECLSPEC extern mca_mpool_gpusm_component_t mca_mpool_gpusm_component;
struct mca_mpool_base_resources_t {
void *reg_data;
size_t sizeof_reg;
int (*register_mem)(void *base, size_t size, mca_mpool_base_registration_t *newreg,
mca_mpool_base_registration_t *hdrreg);
int (*deregister_mem)(void *reg_data, mca_mpool_base_registration_t *reg);
};
typedef struct mca_mpool_base_resources_t mca_mpool_base_resources_t;
struct mca_mpool_gpusm_module_t {
mca_mpool_base_module_t super;
struct mca_mpool_base_resources_t resources;
ompi_free_list_t reg_list;
}; typedef struct mca_mpool_gpusm_module_t mca_mpool_gpusm_module_t;
/*
* Initializes the mpool module.
*/
void mca_mpool_gpusm_module_init(mca_mpool_gpusm_module_t *mpool);
/**
* register block of memory
*/
int mca_mpool_gpusm_register(mca_mpool_base_module_t* mpool, void *addr,
size_t size, uint32_t flags, mca_mpool_base_registration_t **reg);
/**
* deregister memory
*/
int mca_mpool_gpusm_deregister(mca_mpool_base_module_t *mpool,
mca_mpool_base_registration_t *reg);
/**
* find registration for a given block of memory
*/
int mca_mpool_gpusm_find(struct mca_mpool_base_module_t* mpool, void* addr,
size_t size, mca_mpool_base_registration_t **reg);
/**
* finalize mpool
*/
void mca_mpool_gpusm_finalize(struct mca_mpool_base_module_t *mpool);
/**
* Fault Tolerance Event Notification Function
* @param state Checkpoint Stae
* @return OMPI_SUCCESS or failure status
*/
int mca_mpool_gpusm_ft_event(int state);
END_C_DECLS
#endif