308 строки
10 KiB
C
308 строки
10 KiB
C
/*
|
|
* Copyright (c) 2013 Mellanox Technologies, Inc.
|
|
* All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#ifndef MCA_SPML_H
|
|
#define MCA_SPML_H
|
|
|
|
#include "oshmem_config.h"
|
|
#include "oshmem/types.h"
|
|
#include "oshmem/constants.h"
|
|
|
|
#include "opal/mca/mca.h"
|
|
#include "oshmem/proc/proc.h"
|
|
#include "ompi/mca/btl/btl.h"
|
|
|
|
BEGIN_C_DECLS
|
|
|
|
/*
|
|
* SPML component types
|
|
*/
|
|
|
|
/**
|
|
* MCA->PML Called by MCA framework to initialize the component.
|
|
*
|
|
* @param priority (OUT) Relative priority or ranking used by MCA to
|
|
* selected a component.
|
|
*
|
|
* @param enable_progress_threads (IN) Whether this component is
|
|
* allowed to run a hidden/progress thread or not.
|
|
*
|
|
* @param enable_mpi_threads (IN) Whether support for multiple MPI
|
|
* threads is enabled or not (i.e., MPI_THREAD_MULTIPLE), which
|
|
* indicates whether multiple threads may invoke this component
|
|
* simultaneously or not.
|
|
*/
|
|
typedef enum {
|
|
MCA_SPML_BASE_PUT_SYNCHRONOUS,
|
|
MCA_SPML_BASE_PUT_COMPLETE,
|
|
MCA_SPML_BASE_PUT_BUFFERED,
|
|
MCA_SPML_BASE_PUT_READY,
|
|
MCA_SPML_BASE_PUT_STANDARD,
|
|
MCA_SPML_BASE_PUT_SIZE
|
|
} mca_spml_base_put_mode_t;
|
|
|
|
typedef struct mca_spml_base_module_1_0_0_t * (*mca_spml_base_component_init_fn_t)(int *priority,
|
|
bool enable_progress_threads,
|
|
bool enable_mpi_threads);
|
|
|
|
typedef int (*mca_spml_base_component_finalize_fn_t)(void);
|
|
|
|
/**
|
|
* SPML component version and interface functions.
|
|
*/
|
|
struct mca_spml_base_component_2_0_0_t {
|
|
mca_base_component_t spmlm_version;
|
|
mca_base_component_data_t spmlm_data;
|
|
mca_spml_base_component_init_fn_t spmlm_init;
|
|
mca_spml_base_component_finalize_fn_t spmlm_finalize;
|
|
};
|
|
typedef struct mca_spml_base_component_2_0_0_t mca_spml_base_component_2_0_0_t;
|
|
typedef mca_spml_base_component_2_0_0_t mca_spml_base_component_t;
|
|
|
|
/**
|
|
* MCA management functions.
|
|
*/
|
|
/**
|
|
* memory key
|
|
*/
|
|
typedef struct mca_spml_mkey {
|
|
union {
|
|
struct {
|
|
uint32_t rkey;
|
|
uint32_t lkey;
|
|
} ib;
|
|
uint64_t key;
|
|
} handle;
|
|
void* va_base;
|
|
void *spml_context; /* spml module can attach internal structures here */
|
|
} mca_spml_mkey_t;
|
|
|
|
/**
|
|
* Downcall from MCA layer to enable the PML/BTLs.
|
|
*
|
|
* @param enable Enable/Disable SPML forwarding
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_enable_fn_t)(bool enable);
|
|
|
|
/**
|
|
* Waits for an int variable to change on the local PE.
|
|
* Blocked until the variable is not equal to value.
|
|
*
|
|
* @param addr Address of the variable to pool on.
|
|
* @param value The value to pool on. Pool until the value held in addr is different than value.
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_wait_fn_t)(void* addr,
|
|
int cmp,
|
|
void* value,
|
|
int datatype);
|
|
|
|
/**
|
|
* Register (Pinn) a buffer of 'size' bits starting in address addr
|
|
*
|
|
* @param addr base address of the registered buffer.
|
|
* @param size the size of the buffer to be registered.
|
|
* @param seg_id sysv segment id
|
|
* @param count number of internal transports (btls) that registered memory
|
|
* @return array of mkeys (one mkey per "btl") or NULL on failure
|
|
*
|
|
*/
|
|
typedef mca_spml_mkey_t * (*mca_spml_base_module_register_fn_t)(void *addr,
|
|
size_t size,
|
|
uint64_t shmid,
|
|
int *count);
|
|
|
|
/**
|
|
* deregister memory pinned by register()
|
|
*/
|
|
typedef int (*mca_spml_base_module_deregister_fn_t)(mca_spml_mkey_t *mkeys);
|
|
|
|
/**
|
|
* try to fill up mkeys that can be used to reach remote pe.
|
|
* @param pe remote pe
|
|
* @param seg 0 - symmetric heap, 1 - static data, everything else are static data in .so
|
|
* @param mkeys mkeys array
|
|
*
|
|
* @return OSHMEM_SUCCSESS if keys are found
|
|
*/
|
|
typedef int (*mca_spml_base_module_oob_get_mkeys_fn_t)(int pe,
|
|
uint32_t seg,
|
|
mca_spml_mkey_t *mkeys);
|
|
|
|
/**
|
|
* For each proc setup a datastructure that indicates the BTLs
|
|
* that can be used to reach the destination.
|
|
*
|
|
* @param procs A list of all procs participating in the parallel application.
|
|
* @param nprocs The number of procs in the parallel application.
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*
|
|
*/
|
|
typedef int (*mca_spml_base_module_add_procs_fn_t)(oshmem_proc_t** procs,
|
|
size_t nprocs);
|
|
typedef int (*mca_spml_base_module_del_procs_fn_t)(oshmem_proc_t** procs,
|
|
size_t nprocs);
|
|
|
|
/**
|
|
* Transfer data to a remote pe.
|
|
*
|
|
* @param dst_addr The address in the remote PE of the object being written.
|
|
* @param size The number of bytes to be written.
|
|
* @param src_addr An address on the local PE holdng the value to be written.
|
|
* @param dst The remote PE to be written to.
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_put_fn_t)(void *dst_addr,
|
|
size_t size,
|
|
void *src_addr,
|
|
int dst);
|
|
|
|
/**
|
|
* These routines provide the means for copying contiguous data to another PE without
|
|
* blocking the caller. These routines return before the data has been delivered to the
|
|
* remote PE.
|
|
*
|
|
* @param dst_addr The address in the remote PE of the object being written.
|
|
* @param size The number of bytes to be written.
|
|
* @param src_addr An address on the local PE holdng the value to be written.
|
|
* @param dst The remote PE to be written to.
|
|
* @param handle The address of a handle to be passed to shmem_wait_nb() or
|
|
* shmem_test_nb() to wait or poll for the completion of the transfer.
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_put_nb_fn_t)(void *dst_addr,
|
|
size_t size,
|
|
void *src_addr,
|
|
int dst,
|
|
void **handle);
|
|
|
|
/**
|
|
* Blocking data transfer from remote PE.
|
|
* Read data from remote PE.
|
|
*
|
|
* @param dst_addr - The address on the local PE, to write the result of the get operation to.
|
|
* @param size - The number of bytes to be read.
|
|
* @param src_addr - The address on the remote PE, to read from.
|
|
* @param src - The ID of the remote PE.
|
|
* @return - OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_get_fn_t)(void *dst_addr,
|
|
size_t size,
|
|
void *src_addr,
|
|
int src);
|
|
|
|
/**
|
|
* Post a receive and wait for completion.
|
|
*
|
|
* @param buf (IN) User buffer.
|
|
* @param count (IN) The number of bytes to be sent.
|
|
* @param src (IN) The ID of the remote PE.
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_recv_fn_t)(void *buf, size_t count, int src);
|
|
|
|
/**
|
|
* Post a send request and wait for completion.
|
|
*
|
|
* @param buf (IN) User buffer.
|
|
* @param count (IN) The number of bytes to be sent.
|
|
* @param dst (IN) The ID of the remote PE.
|
|
* @param mode (IN) Send mode (STANDARD,BUFFERED,SYNCHRONOUS,READY)
|
|
* @return OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_send_fn_t)(void *buf,
|
|
size_t count,
|
|
int dst,
|
|
mca_spml_base_put_mode_t mode);
|
|
|
|
/**
|
|
* Wait for completion of all outstanding put() requests
|
|
*
|
|
* @return - OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_fence_fn_t)(void);
|
|
|
|
/**
|
|
* Waits for completion of a non-blocking put or get issued by the calling PE.
|
|
*
|
|
* @return - OSHMEM_SUCCESS or failure status.
|
|
*/
|
|
typedef int (*mca_spml_base_module_wait_nb_fn_t)(void*);
|
|
|
|
typedef void* (*mca_spml_base_module_get_remote_context_fn_t)(void*);
|
|
|
|
typedef void (*mca_spml_base_module_set_remote_context_fn_t)(void**, void*);
|
|
|
|
typedef int (*mca_spml_base_module_get_remote_context_size_fn_t)(void*);
|
|
|
|
typedef void (*mca_spml_base_module_set_remote_context_size_fn_t)(void**, int);
|
|
|
|
/**
|
|
* SPML instance.
|
|
*/
|
|
struct mca_spml_base_module_1_0_0_t {
|
|
|
|
mca_spml_base_module_add_procs_fn_t spml_add_procs;
|
|
mca_spml_base_module_del_procs_fn_t spml_del_procs;
|
|
|
|
mca_spml_base_module_enable_fn_t spml_enable;
|
|
mca_spml_base_module_register_fn_t spml_register;
|
|
mca_spml_base_module_deregister_fn_t spml_deregister;
|
|
mca_spml_base_module_oob_get_mkeys_fn_t spml_oob_get_mkeys;
|
|
|
|
mca_spml_base_module_put_fn_t spml_put;
|
|
mca_spml_base_module_put_nb_fn_t spml_put_nb;
|
|
mca_spml_base_module_get_fn_t spml_get;
|
|
|
|
mca_spml_base_module_recv_fn_t spml_recv;
|
|
mca_spml_base_module_send_fn_t spml_send;
|
|
|
|
mca_spml_base_module_wait_fn_t spml_wait;
|
|
mca_spml_base_module_wait_nb_fn_t spml_wait_nb;
|
|
mca_spml_base_module_fence_fn_t spml_fence;
|
|
mca_spml_base_module_get_remote_context_fn_t spml_get_remote_context;
|
|
mca_spml_base_module_set_remote_context_fn_t spml_set_remote_context;
|
|
mca_spml_base_module_get_remote_context_size_fn_t spml_get_remote_context_size;
|
|
mca_spml_base_module_set_remote_context_size_fn_t spml_set_remote_context_size;
|
|
|
|
void *self;
|
|
};
|
|
|
|
typedef struct mca_spml_base_module_1_0_0_t mca_spml_base_module_1_0_0_t;
|
|
typedef mca_spml_base_module_1_0_0_t mca_spml_base_module_t;
|
|
|
|
/*
|
|
* Macro for use in components that are of type spml
|
|
*/
|
|
#define MCA_SPML_BASE_VERSION_2_0_0 \
|
|
MCA_BASE_VERSION_2_0_0, \
|
|
"spml", 2, 0, 0
|
|
|
|
/*
|
|
* macro for doing direct call / call through struct
|
|
*/
|
|
#if MCA_oshmem_spml_DIRECT_CALL
|
|
|
|
#include MCA_oshmem_spml_DIRECT_CALL_HEADER
|
|
|
|
#define MCA_SPML_CALL_STAMP(a, b) mca_spml_ ## a ## _ ## b
|
|
#define MCA_SPML_CALL_EXPANDER(a, b) MCA_SPML_CALL_STAMP(a,b)
|
|
#define MCA_SPML_CALL(a) MCA_SPML_CALL_EXPANDER(MCA_oshmem_spml_DIRECT_CALL_COMPONENT, a)
|
|
|
|
#else
|
|
#define MCA_SPML_CALL(a) mca_spml.spml_ ## a
|
|
#endif
|
|
|
|
OSHMEM_DECLSPEC extern mca_spml_base_module_t mca_spml;
|
|
|
|
END_C_DECLS
|
|
#endif /* MCA_SPML_H */
|