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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* 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) 2012-2015 NVIDIA Corporation. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
*
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/**
* @file
*/
#ifndef MCA_RCACHE_GPUSM_H
#define MCA_RCACHE_GPUSM_H
#include "opal_config.h"
#include "opal/class/opal_list.h"
#include "opal/mca/rcache/rcache.h"
BEGIN_C_DECLS
#define MEMHANDLE_SIZE 8
#define EVTHANDLE_SIZE 8
struct mca_rcache_gpusm_registration_t {
mca_rcache_base_registration_t base;
uint64_t memHandle[MEMHANDLE_SIZE]; /* CUipcMemHandle */
uint64_t evtHandle[EVTHANDLE_SIZE]; /* CUipcEventHandle */
uintptr_t event; /* CUevent */
};
typedef struct mca_rcache_gpusm_registration_t mca_rcache_gpusm_registration_t;
OPAL_DECLSPEC OBJ_CLASS_DECLARATION(mca_rcache_gpusm_registration_t);
struct mca_rcache_gpusm_component_t {
mca_rcache_base_component_t super;
};
typedef struct mca_rcache_gpusm_component_t mca_rcache_gpusm_component_t;
OPAL_DECLSPEC extern mca_rcache_gpusm_component_t mca_rcache_gpusm_component;
struct mca_rcache_gpusm_module_t {
mca_rcache_base_module_t super;
opal_free_list_t reg_list;
};
typedef struct mca_rcache_gpusm_module_t mca_rcache_gpusm_module_t;
/*
* Initializes the rcache module.
*/
void mca_rcache_gpusm_module_init(mca_rcache_gpusm_module_t *rcache);
/**
* register block of memory
*/
int mca_rcache_gpusm_register(mca_rcache_base_module_t *rcache, void *addr, size_t size,
uint32_t flags, int32_t access_flags,
mca_rcache_base_registration_t **reg);
/**
* deregister memory
*/
int mca_rcache_gpusm_deregister(mca_rcache_base_module_t *rcache,
mca_rcache_base_registration_t *reg);
/**
* find registration for a given block of memory
*/
int mca_rcache_gpusm_find(struct mca_rcache_base_module_t *rcache, void *addr, size_t size,
mca_rcache_base_registration_t **reg);
/**
* finalize rcache
*/
void mca_rcache_gpusm_finalize(struct mca_rcache_base_module_t *rcache);
END_C_DECLS
#endif
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