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openmpi/ompi/mca/osc/pt2pt/osc_pt2pt_header.h
Brian Barrett 0d507ad970 * Fix a bunch of checks for proper access / exposure epochs
* Add implementation of Post/Wait/Start/Complete synchronization

This commit was SVN r8848.
2006-01-31 02:44:08 +00:00

148 строки
4.4 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
*
* $HEADER$
*/
#ifndef OMPI_MCA_OSC_PT2PT_HDR_H
#define OMPI_MCA_OSC_PT2PT_HDR_H
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
struct ompi_osc_pt2pt_type_header_t {
uint8_t hdr_type;
};
typedef struct ompi_osc_pt2pt_type_header_t ompi_osc_pt2pt_type_header_t;
struct ompi_osc_pt2pt_send_header_t {
uint8_t hdr_type;
uint32_t hdr_windx;
int32_t hdr_origin;
ompi_ptr_t hdr_origin_sendreq;
int32_t hdr_origin_tag;
int16_t hdr_target_dt_id;
int32_t hdr_target_disp;
int32_t hdr_target_count;
int32_t hdr_target_op;
int32_t hdr_msg_length; /* 0 if payload is not included */
};
typedef struct ompi_osc_pt2pt_send_header_t ompi_osc_pt2pt_send_header_t;
struct ompi_osc_pt2pt_reply_header_t {
uint8_t hdr_type;
ompi_ptr_t hdr_origin_sendreq;
int32_t hdr_target_tag;
int32_t hdr_msg_length;
};
typedef struct ompi_osc_pt2pt_reply_header_t ompi_osc_pt2pt_reply_header_t;
struct ompi_osc_pt2pt_control_header_t {
uint8_t hdr_type;
int32_t hdr_windx;
int32_t hdr_value;
};
typedef struct ompi_osc_pt2pt_control_header_t ompi_osc_pt2pt_control_header_t;
#define OMPI_OSC_PT2PT_HDR_PUT 0x0001
#define OMPI_OSC_PT2PT_HDR_ACC 0x0002
#define OMPI_OSC_PT2PT_HDR_GET 0x0004
#define OMPI_OSC_PT2PT_HDR_REPLY 0x0008
#define OMPI_OSC_PT2PT_HDR_POST 0x0010
#define OMPI_OSC_PT2PT_HDR_COMPLETE 0x0020
/*
* Convert a 64 bit value to network byte order.
*/
static inline uint64_t hton64(uint64_t val)
{
union { uint64_t ll;
uint32_t l[2];
} w, r;
/* platform already in network byte order? */
if(htonl(1) == 1L)
return val;
w.ll = val;
r.l[0] = htonl(w.l[1]);
r.l[1] = htonl(w.l[0]);
return r.ll;
}
/*
* Convert a 64 bit value from network to host byte order.
*/
static inline uint64_t ntoh64(uint64_t val)
{
union { uint64_t ll;
uint32_t l[2];
} w, r;
/* platform already in network byte order? */
if(htonl(1) == 1L)
return val;
w.ll = val;
r.l[0] = ntohl(w.l[1]);
r.l[1] = ntohl(w.l[0]);
return r.ll;
}
#define OMPI_OSC_PT2PT_REQ_HDR_HTON(hdr) \
do { \
(hdr).hdr_windx = htonl((hdr).hdr_windx); \
(hdr).hdr_origin = htonl((hdr).hdr_origin); \
(hdr).hdr_origin_sendreq = hton64((hdr).hdr_origin_sendreq); \
(hdr).hdr_origin_tag = htonl((hdr).hdr_origin_tag); \
(hdr).hdr_target_dt_id = htons((hdr).hdr_target_dt_id); \
(hdr).hdr_target_disp = htonl((hdr).hdr_target_disp); \
(hdr).hdr_target_count = htonl((hdr).hdr_target_count); \
(hdr).hdr_msg_length = htonl((hdr).hdr_msg_length); \
(hdr).hdr_target_op = htonl((hdr).hdr_target_op); \
} while (0)
#define OMPI_OSC_PT2PT_REQ_HDR_NTOH(hdr) \
do { \
(hdr).hdr_windx = ntohl((hdr).hdr_windx); \
(hdr).hdr_origin = ntohl((hdr).hdr_origin); \
(hdr).hdr_origin_sendreq = ntoh64((hdr).hdr_origin_sendreq); \
(hdr).hdr_origin_tag = ntohl((hdr).hdr_origin_tag); \
(hdr).hdr_target_dt_id = ntohs((hdr).hdr_target_dt_id); \
(hdr).hdr_target_disp = ntohl((hdr).hdr_target_disp); \
(hdr).hdr_target_count = ntohl((hdr).hdr_target_count); \
(hdr).hdr_msg_length = ntohl((hdr).hdr_msg_length); \
(hdr).hdr_target_op = ntohl((hdr).hdr_target_op); \
} while (0)
#define OMPI_OSC_PT2PT_REPLY_HDR_HTON(hdr) \
do { \
(hdr).hdr_origin_sendreq = hton64((hdr).hdr_origin_sendreq); \
(hdr).hdr_target_tag = htonl((hdr).hdr_target_tag); \
(hdr).hdr_msg_length = htonl((hdr).hdr_msg_length); \
} while (0)
#define OMPI_OSC_PT2PT_REPLY_HDR_NTOH(hdr) \
do { \
(hdr).hdr_origin_sendreq = ntoh64((hdr).hdr_origin_sendreq); \
(hdr).hdr_target_tag = ntohl((hdr).hdr_target_tag); \
(hdr).hdr_msg_length = ntohl((hdr).hdr_msg_length); \
} while (0)
#endif /* OMPI_MCA_OSC_PT2PT_HDR_H */