320 строки
9.0 KiB
C
320 строки
9.0 KiB
C
|
|
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University.
|
|
* All rights reserved.
|
|
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
|
|
* 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.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
*/
|
|
#ifndef MCA_BTL_GM_H
|
|
#define MCA_BTL_GM_H
|
|
|
|
/* Standard system includes */
|
|
#include <sys/types.h>
|
|
#include <string.h>
|
|
#include <gm.h>
|
|
|
|
/* Open MPI includes */
|
|
#include "class/ompi_free_list.h"
|
|
#include "class/ompi_bitmap.h"
|
|
#include "opal/event/event.h"
|
|
#include "mca/pml/pml.h"
|
|
#include "mca/btl/btl.h"
|
|
#include "mca/btl/base/base.h"
|
|
#include "opal/util/output.h"
|
|
#include "mca/mpool/mpool.h"
|
|
#include "mca/btl/btl.h"
|
|
#include "btl_gm_endpoint.h"
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define GM_BUFFER_SIZE 7
|
|
#define GM_BUFFER_LENGTH gm_max_length_for_size(GM_BUFFER_SIZE)
|
|
|
|
/**
|
|
* Myrinet (GM) BTL component.
|
|
*/
|
|
|
|
struct mca_btl_gm_component_t {
|
|
mca_btl_base_component_1_0_0_t super; /**< base BTL component */
|
|
|
|
size_t gm_num_btls; /**< number of hcas available to the GM component */
|
|
size_t gm_max_btls; /**< maximum number of supported hcas */
|
|
struct mca_btl_gm_module_t **gm_btls; /**< array of available BTL modules */
|
|
size_t gm_max_ports; /**< maximum number of ports per board */
|
|
size_t gm_max_boards; /**< maximum number of boards */
|
|
size_t gm_num_mru;
|
|
size_t gm_eager_frag_size;
|
|
size_t gm_max_frag_size;
|
|
char* gm_port_name;
|
|
int32_t gm_num_repost;
|
|
int32_t gm_num_high_priority; /**< number of receive descriptors at high priority */
|
|
int gm_debug; /**< turn on debug output */
|
|
|
|
int gm_free_list_num; /**< initial size of free lists */
|
|
int gm_free_list_max; /**< maximum size of free lists */
|
|
int gm_free_list_inc; /**< number of elements to alloc when growing free lists */
|
|
opal_list_t gm_procs; /**< list of gm proc structures */
|
|
opal_mutex_t gm_lock; /**< lock for accessing module state */
|
|
char* gm_mpool_name; /**< name of memory pool */
|
|
bool leave_pinned; /**< pin memory on first use and leave pinned */
|
|
};
|
|
typedef struct mca_btl_gm_component_t mca_btl_gm_component_t;
|
|
|
|
extern mca_btl_gm_component_t mca_btl_gm_component;
|
|
|
|
|
|
|
|
/**
|
|
* BTL Module Interface
|
|
*/
|
|
struct mca_btl_gm_module_t {
|
|
mca_btl_base_module_t super; /**< base BTL interface */
|
|
mca_btl_base_recv_reg_t gm_reg[256];
|
|
|
|
/* local port handle/address */
|
|
struct gm_port *port;
|
|
mca_btl_gm_addr_t gm_addr;
|
|
|
|
/* free list of fragment descriptors */
|
|
ompi_free_list_t gm_frag_eager;
|
|
ompi_free_list_t gm_frag_max;
|
|
ompi_free_list_t gm_frag_user;
|
|
|
|
/* number of send/recv tokens */
|
|
int32_t gm_num_send_tokens;
|
|
int32_t gm_max_send_tokens;
|
|
int32_t gm_num_recv_tokens;
|
|
int32_t gm_max_recv_tokens;
|
|
int32_t gm_num_repost;
|
|
|
|
/* lock for accessing module state */
|
|
opal_list_t gm_pending; /**< list of pending send descriptors */
|
|
opal_list_t gm_repost; /**< list of pending fragments */
|
|
opal_list_t gm_mru_reg; /**< list of most recently used registrations */
|
|
opal_mutex_t gm_lock;
|
|
struct mca_mpool_base_module_t* gm_mpool;
|
|
};
|
|
typedef struct mca_btl_gm_module_t mca_btl_gm_module_t;
|
|
extern mca_btl_gm_module_t mca_btl_gm_module;
|
|
|
|
|
|
/**
|
|
* Register GM component parameters with the MCA framework
|
|
*/
|
|
extern int mca_btl_gm_component_open(void);
|
|
|
|
/**
|
|
* Any final cleanup before being unloaded.
|
|
*/
|
|
extern int mca_btl_gm_component_close(void);
|
|
|
|
/**
|
|
* GM component initialization.
|
|
*
|
|
* @param num_btl_modules (OUT) Number of BTLs returned in BTL array.
|
|
* @param allow_multi_user_threads (OUT) Flag indicating wether BTL supports user threads (TRUE)
|
|
* @param have_hidden_threads (OUT) Flag indicating wether BTL uses threads (TRUE)
|
|
*/
|
|
extern mca_btl_base_module_t** mca_btl_gm_component_init(
|
|
int *num_btl_modules,
|
|
bool allow_multi_user_threads,
|
|
bool have_hidden_threads
|
|
);
|
|
|
|
|
|
/**
|
|
* GM component progress.
|
|
*/
|
|
extern int mca_btl_gm_component_progress(void);
|
|
|
|
|
|
|
|
/**
|
|
* Cleanup any resources held by the BTL.
|
|
*
|
|
* @param btl BTL instance.
|
|
* @return OMPI_SUCCESS or error status on failure.
|
|
*/
|
|
|
|
extern int mca_btl_gm_finalize(
|
|
struct mca_btl_base_module_t* btl
|
|
);
|
|
|
|
|
|
/**
|
|
* PML->BTL notification of change in the process list.
|
|
*
|
|
* @param btl (IN)
|
|
* @param nprocs (IN) Number of processes
|
|
* @param procs (IN) Set of processes
|
|
* @param peers (OUT) Set of (optional) peer addressing info.
|
|
* @param peers (IN/OUT) Set of processes that are reachable via this BTL.
|
|
* @return OMPI_SUCCESS or error status on failure.
|
|
*
|
|
*/
|
|
|
|
extern int mca_btl_gm_add_procs(
|
|
struct mca_btl_base_module_t* btl,
|
|
size_t nprocs,
|
|
struct ompi_proc_t **procs,
|
|
struct mca_btl_base_endpoint_t** peers,
|
|
ompi_bitmap_t* reachable
|
|
);
|
|
|
|
/**
|
|
* PML->BTL notification of change in the process list.
|
|
*
|
|
* @param btl (IN) BTL instance
|
|
* @param nproc (IN) Number of processes.
|
|
* @param procs (IN) Set of processes.
|
|
* @param peers (IN) Set of peer data structures.
|
|
* @return Status indicating if cleanup was successful
|
|
*
|
|
*/
|
|
|
|
extern int mca_btl_gm_del_procs(
|
|
struct mca_btl_base_module_t* btl,
|
|
size_t nprocs,
|
|
struct ompi_proc_t **procs,
|
|
struct mca_btl_base_endpoint_t** peers
|
|
);
|
|
|
|
|
|
/**
|
|
* Initiate an asynchronous send.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL addressing information
|
|
* @param descriptor (IN) Description of the data to be transfered
|
|
* @param tag (IN) The tag value used to notify the peer.
|
|
*/
|
|
|
|
extern int mca_btl_gm_send(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* btl_peer,
|
|
struct mca_btl_base_descriptor_t* descriptor,
|
|
mca_btl_base_tag_t tag
|
|
);
|
|
|
|
|
|
/**
|
|
* Initiate an asynchronous put.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL addressing information
|
|
* @param descriptor (IN) Description of the data to be transferred
|
|
*/
|
|
|
|
extern int mca_btl_gm_put(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* btl_peer,
|
|
struct mca_btl_base_descriptor_t* decriptor
|
|
);
|
|
|
|
|
|
/**
|
|
* Initiate an asynchronous get.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL addressing information
|
|
* @param descriptor (IN) Description of the data to be transferred
|
|
*/
|
|
|
|
extern int mca_btl_gm_get(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* btl_peer,
|
|
struct mca_btl_base_descriptor_t* decriptor
|
|
);
|
|
|
|
/**
|
|
* Register a callback function that is called on receipt
|
|
* of a fragment.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @return Status indicating if registration was successful
|
|
*
|
|
*/
|
|
|
|
extern int mca_btl_gm_register(
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_tag_t tag,
|
|
mca_btl_base_module_recv_cb_fn_t cbfunc,
|
|
void* cbdata);
|
|
|
|
/**
|
|
* Allocate a descriptor with a segment of the requested size.
|
|
* Note that the BTL layer may choose to return a smaller size
|
|
* if it cannot support the request.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param size (IN) Request segment size.
|
|
*/
|
|
|
|
extern mca_btl_base_descriptor_t* mca_btl_gm_alloc(
|
|
struct mca_btl_base_module_t* btl,
|
|
size_t size);
|
|
|
|
|
|
/**
|
|
* Return a segment allocated by this BTL.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param descriptor (IN) Allocated descriptor.
|
|
*/
|
|
|
|
extern int mca_btl_gm_free(
|
|
struct mca_btl_base_module_t* btl,
|
|
mca_btl_base_descriptor_t* des);
|
|
|
|
|
|
/**
|
|
* Prepare a descriptor for send/rdma using the supplied
|
|
* convertor. If the convertor references data that is contigous,
|
|
* the descriptor may simply point to the user buffer. Otherwise,
|
|
* this routine is responsible for allocating buffer space and
|
|
* packing if required.
|
|
*
|
|
* @param btl (IN) BTL module
|
|
* @param endpoint (IN) BTL peer addressing
|
|
* @param convertor (IN) Data type convertor
|
|
* @param reserve (IN) Additional bytes requested by upper layer to precede user data
|
|
* @param size (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT)
|
|
*/
|
|
|
|
mca_btl_base_descriptor_t* mca_btl_gm_prepare_src(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* peer,
|
|
struct mca_mpool_base_registration_t*,
|
|
struct ompi_convertor_t* convertor,
|
|
size_t reserve,
|
|
size_t* size
|
|
);
|
|
|
|
extern mca_btl_base_descriptor_t* mca_btl_gm_prepare_dst(
|
|
struct mca_btl_base_module_t* btl,
|
|
struct mca_btl_base_endpoint_t* peer,
|
|
struct mca_mpool_base_registration_t*,
|
|
struct ompi_convertor_t* convertor,
|
|
size_t reserve,
|
|
size_t* size);
|
|
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif
|