7b05a14d9a
an "hg ci -m ...". Oops. This commit was SVN r19490. The following SVN revision numbers were found above: r19489 --> open-mpi/ompi@ea866f9e26
349 строки
11 KiB
C
349 строки
11 KiB
C
/*
|
|
* 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) 2006-2007 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2006-2007 Voltaire All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#ifndef MCA_BTL_IB_FRAG_H
|
|
#define MCA_BTL_IB_FRAG_H
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include <infiniband/verbs.h>
|
|
#include "ompi/mca/btl/btl.h"
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct mca_btl_openib_reg_t;
|
|
|
|
struct mca_btl_openib_header_t {
|
|
mca_btl_base_tag_t tag;
|
|
uint8_t cm_seen;
|
|
uint16_t credits;
|
|
};
|
|
typedef struct mca_btl_openib_header_t mca_btl_openib_header_t;
|
|
#define BTL_OPENIB_RDMA_CREDITS_FLAG (1<<15)
|
|
#define BTL_OPENIB_IS_RDMA_CREDITS(I) ((I)&BTL_OPENIB_RDMA_CREDITS_FLAG)
|
|
#define BTL_OPENIB_CREDITS(I) ((I)&~BTL_OPENIB_RDMA_CREDITS_FLAG)
|
|
|
|
#define BTL_OPENIB_HEADER_HTON(h) \
|
|
do { \
|
|
(h).credits = htons((h).credits); \
|
|
} while (0)
|
|
|
|
#define BTL_OPENIB_HEADER_NTOH(h) \
|
|
do { \
|
|
(h).credits = ntohs((h).credits); \
|
|
} while (0)
|
|
|
|
typedef struct mca_btl_openib_header_coalesced_t {
|
|
mca_btl_base_tag_t tag;
|
|
uint32_t size;
|
|
uint32_t alloc_size;
|
|
} mca_btl_openib_header_coalesced_t;
|
|
|
|
#define BTL_OPENIB_HEADER_COALESCED_NTOH(h) \
|
|
do { \
|
|
(h).size = ntohl((h).size); \
|
|
(h).alloc_size = ntohl((h).alloc_size); \
|
|
} while(0)
|
|
|
|
#define BTL_OPENIB_HEADER_COALESCED_HTON(h) \
|
|
do { \
|
|
(h).size = htonl((h).size); \
|
|
(h).alloc_size = htonl((h).alloc_size); \
|
|
} while(0)
|
|
|
|
struct mca_btl_openib_footer_t {
|
|
#if OMPI_ENABLE_DEBUG
|
|
uint32_t seq;
|
|
#endif
|
|
union {
|
|
uint32_t size;
|
|
uint8_t buf[4];
|
|
} u;
|
|
};
|
|
typedef struct mca_btl_openib_footer_t mca_btl_openib_footer_t;
|
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
#define MCA_BTL_OPENIB_FTR_SIZE_REVERSE(ftr)
|
|
#else
|
|
#define MCA_BTL_OPENIB_FTR_SIZE_REVERSE(ftr) \
|
|
do { \
|
|
uint8_t tmp = (ftr).u.buf[0]; \
|
|
(ftr).u.buf[0]=(ftr).u.buf[2]; \
|
|
(ftr).u.buf[2]=tmp; \
|
|
} while (0)
|
|
#endif
|
|
|
|
#if OMPI_ENABLE_DEBUG
|
|
#define BTL_OPENIB_FOOTER_SEQ_HTON(h) ((h).seq = htonl((h).seq))
|
|
#define BTL_OPENIB_FOOTER_SEQ_NTOH(h) ((h).seq = ntohl((h).seq))
|
|
#else
|
|
#define BTL_OPENIB_FOOTER_SEQ_HTON(h)
|
|
#define BTL_OPENIB_FOOTER_SEQ_NTOH(h)
|
|
#endif
|
|
|
|
#define BTL_OPENIB_FOOTER_HTON(h) \
|
|
do { \
|
|
BTL_OPENIB_FOOTER_SEQ_HTON(h); \
|
|
MCA_BTL_OPENIB_FTR_SIZE_REVERSE(h); \
|
|
} while (0)
|
|
|
|
#define BTL_OPENIB_FOOTER_NTOH(h) \
|
|
do { \
|
|
BTL_OPENIB_FOOTER_SEQ_NTOH(h); \
|
|
MCA_BTL_OPENIB_FTR_SIZE_REVERSE(h); \
|
|
} while (0)
|
|
|
|
#define MCA_BTL_OPENIB_CONTROL_CREDITS 0
|
|
#define MCA_BTL_OPENIB_CONTROL_RDMA 1
|
|
#define MCA_BTL_OPENIB_CONTROL_COALESCED 2
|
|
|
|
struct mca_btl_openib_control_header_t {
|
|
uint8_t type;
|
|
};
|
|
typedef struct mca_btl_openib_control_header_t mca_btl_openib_control_header_t;
|
|
|
|
struct mca_btl_openib_eager_rdma_header_t {
|
|
mca_btl_openib_control_header_t control;
|
|
uint8_t padding[3];
|
|
uint32_t rkey;
|
|
ompi_ptr_t rdma_start;
|
|
};
|
|
typedef struct mca_btl_openib_eager_rdma_header_t mca_btl_openib_eager_rdma_header_t;
|
|
|
|
#define BTL_OPENIB_EAGER_RDMA_CONTROL_HEADER_HTON(h) \
|
|
do { \
|
|
(h).rkey = htonl((h).rkey); \
|
|
(h).rdma_start.lval = hton64((h).rdma_start.lval); \
|
|
} while (0)
|
|
|
|
#define BTL_OPENIB_EAGER_RDMA_CONTROL_HEADER_NTOH(h) \
|
|
do { \
|
|
(h).rkey = ntohl((h).rkey); \
|
|
(h).rdma_start.lval = ntoh64((h).rdma_start.lval); \
|
|
} while (0)
|
|
|
|
|
|
struct mca_btl_openib_rdma_credits_header_t {
|
|
mca_btl_openib_control_header_t control;
|
|
uint8_t qpn;
|
|
uint16_t rdma_credits;
|
|
};
|
|
typedef struct mca_btl_openib_rdma_credits_header_t mca_btl_openib_rdma_credits_header_t;
|
|
|
|
#define BTL_OPENIB_RDMA_CREDITS_HEADER_HTON(h) \
|
|
do { \
|
|
(h).rdma_credits = htons((h).rdma_credits); \
|
|
} while (0)
|
|
|
|
#define BTL_OPENIB_RDMA_CREDITS_HEADER_NTOH(h) \
|
|
do { \
|
|
(h).rdma_credits = ntohs((h).rdma_credits); \
|
|
} while (0)
|
|
|
|
enum mca_btl_openib_frag_type_t {
|
|
MCA_BTL_OPENIB_FRAG_RECV,
|
|
MCA_BTL_OPENIB_FRAG_RECV_USER,
|
|
MCA_BTL_OPENIB_FRAG_SEND,
|
|
MCA_BTL_OPENIB_FRAG_SEND_USER,
|
|
MCA_BTL_OPENIB_FRAG_EAGER_RDMA,
|
|
MCA_BTL_OPENIB_FRAG_CONTROL,
|
|
MCA_BTL_OPENIB_FRAG_COALESCED
|
|
};
|
|
typedef enum mca_btl_openib_frag_type_t mca_btl_openib_frag_type_t;
|
|
|
|
#define openib_frag_type(f) (to_base_frag(f)->type)
|
|
/**
|
|
* IB fragment derived type.
|
|
*/
|
|
|
|
/* base openib frag */
|
|
typedef struct mca_btl_openib_frag_t {
|
|
mca_btl_base_descriptor_t base;
|
|
mca_btl_base_segment_t segment;
|
|
mca_btl_openib_frag_type_t type;
|
|
ompi_free_list_t* list;
|
|
} mca_btl_openib_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_frag_t);
|
|
|
|
#define to_base_frag(f) ((mca_btl_openib_frag_t*)(f))
|
|
|
|
/* frag used for communication */
|
|
typedef struct mca_btl_openib_com_frag_t {
|
|
mca_btl_openib_frag_t super;
|
|
struct ibv_sge sg_entry;
|
|
struct mca_btl_openib_reg_t *registration;
|
|
struct mca_btl_base_endpoint_t *endpoint;
|
|
} mca_btl_openib_com_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_com_frag_t);
|
|
|
|
#define to_com_frag(f) ((mca_btl_openib_com_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_out_frag_t {
|
|
mca_btl_openib_com_frag_t super;
|
|
struct ibv_send_wr sr_desc;
|
|
} mca_btl_openib_out_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_out_frag_t);
|
|
|
|
#define to_out_frag(f) ((mca_btl_openib_out_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_com_frag_t mca_btl_openib_in_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_in_frag_t);
|
|
|
|
#define to_in_frag(f) ((mca_btl_openib_in_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_send_frag_t {
|
|
mca_btl_openib_out_frag_t super;
|
|
mca_btl_openib_header_t *hdr, *chdr;
|
|
mca_btl_openib_footer_t *ftr;
|
|
uint8_t qp_idx;
|
|
uint32_t coalesced_length;
|
|
opal_list_t coalesced_frags;
|
|
} mca_btl_openib_send_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_send_frag_t);
|
|
|
|
#define to_send_frag(f) ((mca_btl_openib_send_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_recv_frag_t {
|
|
mca_btl_openib_in_frag_t super;
|
|
mca_btl_openib_header_t *hdr;
|
|
mca_btl_openib_footer_t *ftr;
|
|
struct ibv_recv_wr rd_desc;
|
|
uint8_t qp_idx;
|
|
} mca_btl_openib_recv_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_recv_frag_t);
|
|
|
|
#define to_recv_frag(f) ((mca_btl_openib_recv_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_out_frag_t mca_btl_openib_put_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_put_frag_t);
|
|
|
|
#define to_put_frag(f) ((mca_btl_openib_put_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_get_frag_t {
|
|
mca_btl_openib_in_frag_t super;
|
|
struct ibv_send_wr sr_desc;
|
|
} mca_btl_openib_get_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_get_frag_t);
|
|
|
|
#define to_get_frag(f) ((mca_btl_openib_get_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_send_frag_t mca_btl_openib_send_control_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_send_control_frag_t);
|
|
|
|
#define to_send_control_frag(f) ((mca_btl_openib_send_control_frag_t*)(f))
|
|
|
|
typedef struct mca_btl_openib_coalesced_frag_t {
|
|
mca_btl_openib_frag_t super;
|
|
mca_btl_openib_send_frag_t *send_frag;
|
|
mca_btl_openib_header_coalesced_t *hdr;
|
|
} mca_btl_openib_coalesced_frag_t;
|
|
OBJ_CLASS_DECLARATION(mca_btl_openib_coalesced_frag_t);
|
|
|
|
#define to_coalesced_frag(f) ((mca_btl_openib_coalesced_frag_t*)(f))
|
|
|
|
/*
|
|
* Allocate an IB send descriptor
|
|
*
|
|
*/
|
|
|
|
static inline mca_btl_openib_send_control_frag_t *
|
|
alloc_credit_frag(mca_btl_openib_module_t *btl)
|
|
{
|
|
int rc;
|
|
ompi_free_list_item_t *item;
|
|
|
|
OMPI_FREE_LIST_WAIT(&btl->device->send_free_control, item, rc);
|
|
|
|
return to_send_control_frag(item);
|
|
}
|
|
|
|
static inline uint8_t frag_size_to_order(mca_btl_openib_module_t* btl,
|
|
size_t size)
|
|
{
|
|
int qp;
|
|
for(qp = 0; qp < mca_btl_openib_component.num_qps; qp++)
|
|
if(mca_btl_openib_component.qp_infos[qp].size >= size)
|
|
return qp;
|
|
|
|
return MCA_BTL_NO_ORDER;
|
|
}
|
|
|
|
static inline mca_btl_openib_com_frag_t *alloc_send_user_frag(void)
|
|
{
|
|
int rc;
|
|
ompi_free_list_item_t *item;
|
|
|
|
OMPI_FREE_LIST_GET(&mca_btl_openib_component.send_user_free, item, rc);
|
|
|
|
return to_com_frag(item);
|
|
}
|
|
|
|
static inline mca_btl_openib_com_frag_t *alloc_recv_user_frag(void)
|
|
{
|
|
int rc;
|
|
ompi_free_list_item_t *item;
|
|
|
|
OMPI_FREE_LIST_GET(&mca_btl_openib_component.recv_user_free, item, rc);
|
|
|
|
return to_com_frag(item);
|
|
}
|
|
|
|
static inline mca_btl_openib_coalesced_frag_t *alloc_coalesced_frag(void)
|
|
{
|
|
int rc;
|
|
ompi_free_list_item_t *item;
|
|
|
|
OMPI_FREE_LIST_GET(&mca_btl_openib_component.send_free_coalesced, item, rc);
|
|
|
|
return to_coalesced_frag(item);
|
|
}
|
|
|
|
#define MCA_BTL_IB_FRAG_RETURN(frag) \
|
|
do { \
|
|
OMPI_FREE_LIST_RETURN(to_base_frag(frag)->list, \
|
|
(ompi_free_list_item_t*)(frag)); \
|
|
} while(0);
|
|
|
|
#define MCA_BTL_OPENIB_CLEAN_PENDING_FRAGS(list) \
|
|
while(!opal_list_is_empty(list)){ \
|
|
opal_list_item_t *frag_item; \
|
|
frag_item = opal_list_remove_first(list); \
|
|
MCA_BTL_IB_FRAG_RETURN(frag_item); \
|
|
} \
|
|
|
|
struct mca_btl_openib_module_t;
|
|
|
|
struct mca_btl_openib_frag_init_data_t {
|
|
uint8_t order;
|
|
ompi_free_list_t* list;
|
|
};
|
|
typedef struct mca_btl_openib_frag_init_data_t mca_btl_openib_frag_init_data_t;
|
|
|
|
void mca_btl_openib_frag_init(ompi_free_list_item_t* item, void* ctx);
|
|
|
|
|
|
#if defined(c_plusplus) || defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif
|