140 строки
4.2 KiB
C
140 строки
4.2 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OMPI_MCA_OSC_PT2PT_HDR_H
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#define OMPI_MCA_OSC_PT2PT_HDR_H
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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struct ompi_osc_pt2pt_type_header_t {
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uint8_t hdr_type;
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};
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typedef struct ompi_osc_pt2pt_type_header_t ompi_osc_pt2pt_type_header_t;
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struct ompi_osc_pt2pt_send_header_t {
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uint8_t hdr_type;
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uint32_t hdr_windx;
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int32_t hdr_origin;
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ompi_ptr_t hdr_origin_sendreq;
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int32_t hdr_origin_tag;
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int16_t hdr_target_dt_id;
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int32_t hdr_target_disp;
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int32_t hdr_target_count;
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int32_t hdr_target_op;
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int32_t hdr_msg_length; /* 0 if payload is not included */
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};
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typedef struct ompi_osc_pt2pt_send_header_t ompi_osc_pt2pt_send_header_t;
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struct ompi_osc_pt2pt_reply_header_t {
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uint8_t hdr_type;
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ompi_ptr_t hdr_origin_sendreq;
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int32_t hdr_target_tag;
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int32_t hdr_msg_length;
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};
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typedef struct ompi_osc_pt2pt_reply_header_t ompi_osc_pt2pt_reply_header_t;
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#define OMPI_OSC_PT2PT_HDR_PUT 0x0001
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#define OMPI_OSC_PT2PT_HDR_ACC 0x0002
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#define OMPI_OSC_PT2PT_HDR_GET 0x0004
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#define OMPI_OSC_PT2PT_HDR_REPLY 0x0008
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/*
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* Convert a 64 bit value to network byte order.
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*/
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static inline uint64_t hton64(uint64_t val)
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{
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union { uint64_t ll;
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uint32_t l[2];
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} w, r;
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/* platform already in network byte order? */
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if(htonl(1) == 1L)
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return val;
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w.ll = val;
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r.l[0] = htonl(w.l[1]);
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r.l[1] = htonl(w.l[0]);
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return r.ll;
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}
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/*
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* Convert a 64 bit value from network to host byte order.
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*/
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static inline uint64_t ntoh64(uint64_t val)
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{
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union { uint64_t ll;
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uint32_t l[2];
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} w, r;
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/* platform already in network byte order? */
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if(htonl(1) == 1L)
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return val;
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w.ll = val;
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r.l[0] = ntohl(w.l[1]);
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r.l[1] = ntohl(w.l[0]);
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return r.ll;
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}
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#define OMPI_OSC_PT2PT_REQ_HDR_HTON(hdr) \
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do { \
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(hdr).hdr_windx = htonl((hdr).hdr_windx); \
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(hdr).hdr_origin = htonl((hdr).hdr_origin); \
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(hdr).hdr_origin_sendreq = hton64((hdr).hdr_origin_sendreq); \
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(hdr).hdr_origin_tag = htonl((hdr).hdr_origin_tag); \
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(hdr).hdr_target_dt_id = htons((hdr).hdr_target_dt_id); \
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(hdr).hdr_target_disp = htonl((hdr).hdr_target_disp); \
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(hdr).hdr_target_count = htonl((hdr).hdr_target_count); \
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(hdr).hdr_msg_length = htonl((hdr).hdr_msg_length); \
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(hdr).hdr_target_op = htonl((hdr).hdr_target_op); \
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} while (0)
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#define OMPI_OSC_PT2PT_REQ_HDR_NTOH(hdr) \
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do { \
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(hdr).hdr_windx = ntohl((hdr).hdr_windx); \
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(hdr).hdr_origin = ntohl((hdr).hdr_origin); \
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(hdr).hdr_origin_sendreq = ntoh64((hdr).hdr_origin_sendreq); \
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(hdr).hdr_origin_tag = ntohl((hdr).hdr_origin_tag); \
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(hdr).hdr_target_dt_id = ntohs((hdr).hdr_target_dt_id); \
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(hdr).hdr_target_disp = ntohl((hdr).hdr_target_disp); \
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(hdr).hdr_target_count = ntohl((hdr).hdr_target_count); \
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(hdr).hdr_msg_length = ntohl((hdr).hdr_msg_length); \
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(hdr).hdr_target_op = ntohl((hdr).hdr_target_op); \
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} while (0)
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#define OMPI_OSC_PT2PT_REPLY_HDR_HTON(hdr) \
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do { \
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(hdr).hdr_origin_sendreq = hton64((hdr).hdr_origin_sendreq); \
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(hdr).hdr_target_tag = htonl((hdr).hdr_target_tag); \
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(hdr).hdr_msg_length = htonl((hdr).hdr_msg_length); \
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} while (0)
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#define OMPI_OSC_PT2PT_REPLY_HDR_NTOH(hdr) \
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do { \
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(hdr).hdr_origin_sendreq = ntoh64((hdr).hdr_origin_sendreq); \
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(hdr).hdr_target_tag = ntohl((hdr).hdr_target_tag); \
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(hdr).hdr_msg_length = ntohl((hdr).hdr_msg_length); \
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} while (0)
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#endif /* OMPI_MCA_OSC_PT2PT_HDR_H */
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