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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2012 Sandia National Laboratories. All rights reserved.
* Copyright (c) 2014-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OSC_SM_SM_H
#define OSC_SM_SM_H
#include "opal/mca/shmem/base/base.h"
typedef uint64_t osc_sm_post_type_t;
typedef opal_atomic_uint64_t osc_sm_post_atomic_type_t;
#define OSC_SM_POST_BITS 6
#define OSC_SM_POST_MASK 0x3f
/* data shared across all peers */
struct ompi_osc_sm_global_state_t {
int use_barrier_for_fence;
pthread_mutex_t mtx;
pthread_cond_t cond;
int sense;
int32_t count;
};
typedef struct ompi_osc_sm_global_state_t ompi_osc_sm_global_state_t;
/* this is data exposed to remote nodes */
struct ompi_osc_sm_lock_t {
uint32_t counter;
uint32_t write;
uint32_t read;
};
typedef struct ompi_osc_sm_lock_t ompi_osc_sm_lock_t;
struct ompi_osc_sm_node_state_t {
opal_atomic_int32_t complete_count;
ompi_osc_sm_lock_t lock;
opal_atomic_lock_t accumulate_lock;
};
typedef struct ompi_osc_sm_node_state_t ompi_osc_sm_node_state_t;
struct ompi_osc_sm_component_t {
ompi_osc_base_component_t super;
/** Priority of the osc/sm component */
unsigned int priority;
char *backing_directory;
};
typedef struct ompi_osc_sm_component_t ompi_osc_sm_component_t;
OMPI_DECLSPEC extern ompi_osc_sm_component_t mca_osc_sm_component;
enum ompi_osc_sm_locktype_t {
lock_none = 0,
lock_nocheck,
lock_exclusive,
lock_shared
};
struct ompi_osc_sm_module_t {
ompi_osc_base_module_t super;
struct ompi_communicator_t *comm;
int flavor;
opal_shmem_ds_t seg_ds;
void *segment_base;
bool noncontig;
size_t *sizes;
void **bases;
int *disp_units;
ompi_group_t *start_group;
ompi_group_t *post_group;
int my_sense;
enum ompi_osc_sm_locktype_t *outstanding_locks;
/* exposed data */
ompi_osc_sm_global_state_t *global_state;
ompi_osc_sm_node_state_t *my_node_state;
ompi_osc_sm_node_state_t *node_states;
osc_sm_post_atomic_type_t **posts;
opal_mutex_t lock;
};
typedef struct ompi_osc_sm_module_t ompi_osc_sm_module_t;
int ompi_osc_sm_shared_query(struct ompi_win_t *win, int rank, size_t *size, int *disp_unit, void *baseptr);
int ompi_osc_sm_attach(struct ompi_win_t *win, void *base, size_t len);
int ompi_osc_sm_detach(struct ompi_win_t *win, const void *base);
int ompi_osc_sm_free(struct ompi_win_t *win);
int ompi_osc_sm_put(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_win_t *win);
int ompi_osc_sm_get(void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_win_t *win);
int ompi_osc_sm_accumulate(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_op_t *op,
struct ompi_win_t *win);
int ompi_osc_sm_compare_and_swap(const void *origin_addr,
const void *compare_addr,
void *result_addr,
struct ompi_datatype_t *dt,
int target,
ptrdiff_t target_disp,
struct ompi_win_t *win);
int ompi_osc_sm_fetch_and_op(const void *origin_addr,
void *result_addr,
struct ompi_datatype_t *dt,
int target,
ptrdiff_t target_disp,
struct ompi_op_t *op,
struct ompi_win_t *win);
int ompi_osc_sm_get_accumulate(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_datatype,
void *result_addr,
int result_count,
struct ompi_datatype_t *result_datatype,
int target_rank,
MPI_Aint target_disp,
int target_count,
struct ompi_datatype_t *target_datatype,
struct ompi_op_t *op,
struct ompi_win_t *win);
int ompi_osc_sm_rput(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_win_t *win,
struct ompi_request_t **request);
int ompi_osc_sm_rget(void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_win_t *win,
struct ompi_request_t **request);
int ompi_osc_sm_raccumulate(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_dt,
int target,
ptrdiff_t target_disp,
int target_count,
struct ompi_datatype_t *target_dt,
struct ompi_op_t *op,
struct ompi_win_t *win,
struct ompi_request_t **request);
int ompi_osc_sm_rget_accumulate(const void *origin_addr,
int origin_count,
struct ompi_datatype_t *origin_datatype,
void *result_addr,
int result_count,
struct ompi_datatype_t *result_datatype,
int target_rank,
MPI_Aint target_disp,
int target_count,
struct ompi_datatype_t *target_datatype,
struct ompi_op_t *op,
struct ompi_win_t *win,
struct ompi_request_t **request);
int ompi_osc_sm_fence(int mpi_assert, struct ompi_win_t *win);
int ompi_osc_sm_start(struct ompi_group_t *group,
int mpi_assert,
struct ompi_win_t *win);
int ompi_osc_sm_complete(struct ompi_win_t *win);
int ompi_osc_sm_post(struct ompi_group_t *group,
int mpi_assert,
struct ompi_win_t *win);
int ompi_osc_sm_wait(struct ompi_win_t *win);
int ompi_osc_sm_test(struct ompi_win_t *win,
int *flag);
int ompi_osc_sm_lock(int lock_type,
int target,
int mpi_assert,
struct ompi_win_t *win);
int ompi_osc_sm_unlock(int target,
struct ompi_win_t *win);
int ompi_osc_sm_lock_all(int mpi_assert,
struct ompi_win_t *win);
int ompi_osc_sm_unlock_all(struct ompi_win_t *win);
int ompi_osc_sm_sync(struct ompi_win_t *win);
int ompi_osc_sm_flush(int target,
struct ompi_win_t *win);
int ompi_osc_sm_flush_all(struct ompi_win_t *win);
int ompi_osc_sm_flush_local(int target,
struct ompi_win_t *win);
int ompi_osc_sm_flush_local_all(struct ompi_win_t *win);
int ompi_osc_sm_set_info(struct ompi_win_t *win, struct opal_info_t *info);
int ompi_osc_sm_get_info(struct ompi_win_t *win, struct opal_info_t **info_used);
#endif
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