OpenMPI
0.1.1
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#include "ompi_config.h"
#include <sys/types.h>
#include <string.h>
#include <gm.h>
#include "opal/mca/event/event.h"
#include "ompi/class/ompi_free_list.h"
#include "ompi/mca/btl/btl.h"
#include "ompi/mca/btl/base/base.h"
#include "ompi/mca/mpool/mpool.h"
#include "btl_gm_endpoint.h"
Go to the source code of this file.
Data Structures | |
struct | mca_btl_gm_component_t |
Myrinet (GM) BTL component. More... | |
struct | mca_btl_gm_module_t |
BTL Module Interface. More... | |
Macros | |
#define | GM_BUFFER_SIZE 7 |
#define | GM_BUFFER_LENGTH gm_max_length_for_size(GM_BUFFER_SIZE) |
#define | MCA_BTL_GM_ACQUIRE_TOKEN_NL(btl, frag) |
Acquire a send token - queue the fragment if none available. More... | |
#define | MCA_BTL_GM_ACQUIRE_TOKEN(btl, frag) |
#define | MCA_BTL_GM_RETURN_TOKEN(btl) |
Return send token and dequeue and pending fragments mca_btl_gm_component.gm_lock is already held. More... | |
Typedefs | |
typedef struct mca_btl_gm_component_t | mca_btl_gm_component_t |
typedef struct mca_btl_gm_module_t | mca_btl_gm_module_t |
Functions | |
int | mca_btl_gm_component_open (void) |
Register GM component parameters with the MCA framework. | |
int | mca_btl_gm_component_close (void) |
Any final cleanup before being unloaded. | |
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 initialization. More... | |
int | mca_btl_gm_component_progress (void) |
GM component progress. | |
int | mca_btl_gm_finalize (struct mca_btl_base_module_t *btl) |
Cleanup any resources held by the BTL. More... | |
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, opal_bitmap_t *reachable) |
PML->BTL notification of change in the process list. More... | |
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) |
PML->BTL notification of change in the process list. More... | |
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 send. More... | |
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 put. More... | |
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) |
Initiate an asynchronous get. More... | |
int | mca_btl_gm_register_error_cb (struct mca_btl_base_module_t *btl, mca_btl_base_module_error_cb_fn_t cbfunc) |
Register a callback function that is called on error. More... | |
mca_btl_base_descriptor_t * | mca_btl_gm_alloc (struct mca_btl_base_module_t *btl, struct mca_btl_base_endpoint_t *endpoint, uint8_t order, size_t size, uint32_t flags) |
Allocate a descriptor with a segment of the requested size. More... | |
int | mca_btl_gm_free (struct mca_btl_base_module_t *btl, mca_btl_base_descriptor_t *des) |
Return a segment allocated by this BTL. More... | |
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 opal_convertor_t *convertor, uint8_t order, size_t reserve, size_t *size, uint32_t flags) |
Prepare a descriptor for send/rdma using the supplied convertor. More... | |
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 opal_convertor_t *convertor, uint8_t order, size_t reserve, size_t *size, uint32_t flags) |
Prepare a descriptor for send/rdma using the supplied convertor. More... | |
int | mca_btl_gm_ft_event (int state) |
Fault Tolerance Event Notification Function. More... | |
Variables | |
OMPI_MODULE_DECLSPEC mca_btl_gm_component_t | mca_btl_gm_component |
mca_btl_gm_module_t | mca_btl_gm_module |
#define MCA_BTL_GM_ACQUIRE_TOKEN | ( | btl, | |
frag | |||
) |
#define MCA_BTL_GM_ACQUIRE_TOKEN_NL | ( | btl, | |
frag | |||
) |
Acquire a send token - queue the fragment if none available.
#define MCA_BTL_GM_RETURN_TOKEN | ( | btl | ) |
Return send token and dequeue and pending fragments mca_btl_gm_component.gm_lock is already held.
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, | ||
opal_bitmap_t * | reachable | ||
) |
PML->BTL notification of change in the process list.
btl | (IN) |
nprocs | (IN) Number of processes |
procs | (IN) Set of processes |
peers | (OUT) Set of (optional) peer addressing info. |
peers | (IN/OUT) Set of processes that are reachable via this BTL. |
References mca_btl_base_endpoint_t::endpoint_btl, OBJ_RELEASE, ompi_proc_local(), opal_bitmap_set_bit(), OPAL_THREAD_LOCK, OPAL_THREAD_UNLOCK, and mca_btl_gm_proc_t::proc_lock.
mca_btl_base_descriptor_t* mca_btl_gm_alloc | ( | struct mca_btl_base_module_t * | btl, |
struct mca_btl_base_endpoint_t * | endpoint, | ||
uint8_t | order, | ||
size_t | size, | ||
uint32_t | flags | ||
) |
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.
btl | (IN) BTL module |
size | (IN) Request segment size. |
Allocate a descriptor with a segment of the requested size.
btl | (IN) BTL module |
size | (IN) Request segment size. |
References mca_btl_base_descriptor_t::des_dst, mca_btl_base_descriptor_t::des_dst_cnt, mca_btl_base_descriptor_t::des_flags, mca_btl_base_descriptor_t::des_src, mca_btl_base_descriptor_t::des_src_cnt, mca_btl_base_descriptor_t::order, and mca_btl_base_segment_t::seg_len.
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 initialization.
num_btl_modules | (OUT) Number of BTLs returned in BTL array. |
allow_multi_user_threads | (OUT) Flag indicating wether BTL supports user threads (TRUE) |
have_hidden_threads | (OUT) Flag indicating wether BTL uses threads (TRUE) |
References mca_btl_gm_component_t::gm_btls, mca_btl_gm_component_t::gm_lock, mca_btl_gm_component_t::gm_max_btls, mca_btl_gm_component_t::gm_num_btls, ompi_mpi_thread_multiple, opal_output(), OPAL_THREAD_LOCK, and OPAL_THREAD_UNLOCK.
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 | ||
) |
PML->BTL notification of change in the process list.
btl | (IN) BTL instance |
nproc | (IN) Number of processes. |
procs | (IN) Set of processes. |
peers | (IN) Set of peer data structures. |
int mca_btl_gm_finalize | ( | struct mca_btl_base_module_t * | btl | ) |
Cleanup any resources held by the BTL.
btl | BTL instance. |
References mca_btl_gm_component_t::gm_lock, OBJ_DESTRUCT, OPAL_THREAD_LOCK, and OPAL_THREAD_UNLOCK.
int mca_btl_gm_free | ( | struct mca_btl_base_module_t * | btl, |
mca_btl_base_descriptor_t * | des | ||
) |
Return a segment allocated by this BTL.
btl | (IN) BTL module |
descriptor | (IN) Allocated descriptor. |
Return a segment allocated by this BTL.
References mca_btl_base_module_t::btl_mpool, and mca_mpool_base_module_t::mpool_deregister.
int mca_btl_gm_ft_event | ( | int | state | ) |
Fault Tolerance Event Notification Function.
state | Checkpoint Stae |
int mca_btl_gm_get | ( | mca_btl_base_module_t * | btl, |
mca_btl_base_endpoint_t * | endpoint, | ||
mca_btl_base_descriptor_t * | des | ||
) |
Initiate an asynchronous get.
btl | (IN) BTL module |
endpoint | (IN) BTL addressing information |
descriptor | (IN) Description of the data to be transferred |
References mca_btl_base_descriptor_t::des_dst, mca_btl_base_descriptor_t::des_src, mca_btl_gm_component_t::gm_lock, OPAL_THREAD_LOCK, OPAL_THREAD_UNLOCK, mca_btl_base_segment_t::seg_addr, and mca_btl_base_segment_t::seg_len.
mca_btl_base_descriptor_t* mca_btl_gm_prepare_dst | ( | struct mca_btl_base_module_t * | btl, |
struct mca_btl_base_endpoint_t * | endpoint, | ||
struct mca_mpool_base_registration_t * | registration, | ||
struct opal_convertor_t * | convertor, | ||
uint8_t | order, | ||
size_t | reserve, | ||
size_t * | size, | ||
uint32_t | flags | ||
) |
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.
btl | (IN) BTL module |
endpoint | (IN) BTL peer addressing |
convertor | (IN) Data type convertor |
reserve | (IN) Additional bytes requested by upper layer to precede user data |
size | (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT) |
References mca_btl_base_module_t::btl_mpool, mca_btl_base_descriptor_t::des_dst, mca_btl_base_descriptor_t::des_dst_cnt, mca_btl_base_descriptor_t::des_flags, mca_btl_base_descriptor_t::des_src, mca_btl_base_descriptor_t::des_src_cnt, mca_mpool_base_module_t::mpool_register, mca_btl_base_descriptor_t::order, mca_btl_base_segment_t::seg_addr, and mca_btl_base_segment_t::seg_len.
mca_btl_base_descriptor_t* mca_btl_gm_prepare_src | ( | struct mca_btl_base_module_t * | btl, |
struct mca_btl_base_endpoint_t * | endpoint, | ||
struct mca_mpool_base_registration_t * | registration, | ||
struct opal_convertor_t * | convertor, | ||
uint8_t | order, | ||
size_t | reserve, | ||
size_t * | size, | ||
uint32_t | flags | ||
) |
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.
btl | (IN) BTL module |
endpoint | (IN) BTL peer addressing |
convertor | (IN) Data type convertor |
reserve | (IN) Additional bytes requested by upper layer to precede user data |
size | (IN/OUT) Number of bytes to prepare (IN), number of bytes actually prepared (OUT) |
Prepare a descriptor for send/rdma using the supplied convertor.
btl | (IN) BTL module |
peer | (IN) BTL peer addressing |
References mca_btl_base_module_t::btl_max_send_size, mca_btl_base_module_t::btl_mpool, mca_btl_base_descriptor_t::des_dst, mca_btl_base_descriptor_t::des_dst_cnt, mca_btl_base_descriptor_t::des_flags, mca_btl_base_descriptor_t::des_src, mca_btl_base_descriptor_t::des_src_cnt, mca_mpool_base_module_t::mpool_register, mca_btl_base_descriptor_t::order, mca_btl_base_segment_t::seg_addr, and mca_btl_base_segment_t::seg_len.
int mca_btl_gm_put | ( | mca_btl_base_module_t * | btl, |
mca_btl_base_endpoint_t * | endpoint, | ||
mca_btl_base_descriptor_t * | des | ||
) |
Initiate an asynchronous put.
btl | (IN) BTL module |
endpoint | (IN) BTL addressing information |
descriptor | (IN) Description of the data to be transferred |
References mca_btl_base_descriptor_t::des_dst, mca_btl_base_descriptor_t::des_src, mca_btl_gm_component_t::gm_lock, OPAL_THREAD_LOCK, OPAL_THREAD_UNLOCK, mca_btl_base_segment_t::seg_addr, and mca_btl_base_segment_t::seg_len.
int mca_btl_gm_register_error_cb | ( | struct mca_btl_base_module_t * | btl, |
mca_btl_base_module_error_cb_fn_t | cbfunc | ||
) |
Register a callback function that is called on error.
btl | (IN) BTL module |
int mca_btl_gm_send | ( | struct mca_btl_base_module_t * | btl, |
struct mca_btl_base_endpoint_t * | endpoint, | ||
struct mca_btl_base_descriptor_t * | des, | ||
mca_btl_base_tag_t | tag | ||
) |
Initiate an asynchronous send.
btl | (IN) BTL module |
endpoint | (IN) BTL addressing information |
descriptor | (IN) Description of the data to be transfered |
tag | (IN) The tag value used to notify the peer. |
References mca_btl_base_descriptor_t::des_flags, mca_btl_gm_component_t::gm_lock, mca_btl_gm_module_t::gm_repost, opal_list_get_size(), opal_list_remove_first(), OPAL_THREAD_LOCK, OPAL_THREAD_UNLOCK, and mca_btl_base_segment_t::seg_len.