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/*
* Copyright (c) 2004-2007 The Trustees of the University of Tennessee.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef __INCLUDE_VPROTOCOL_REQUEST_H_
#define __INCLUDE_VPROTOCOL_REQUEST_H_
#include "ompi_config.h"
#include "ompi/mca/pml/base/pml_base_request.h"
#include "../vprotocol.h"
BEGIN_C_DECLS
/** Rebuild the PML requests pools to make room for extra space at end of each
* request.
* The extra data is allocated in each requests so that it can hold instances
* of the req_recv_class and req_send_class fields of the
* mca_vprotocol_base_module_t. If those fields are NULL the requests are not
* recreated.
* @return OMPI_SUCCESS or failure status
*/
OMPI_DECLSPEC int mca_vprotocol_base_request_parasite(void);
/** Gives the actual address of the protocol specific part of a recv request.
* @param req (IN) the address of an ompi_request.
* @return address of the custom vprotocol data associated with the request.
*/
#define VPROTOCOL_RECV_FTREQ(req) \
(((uintptr_t) req) + mca_pml_v.host_pml_req_recv_size)
/** Gives the address of the real request associated with a protocol specific
* send request.
* @param ftreq (IN) the address of a protocol specific request.
* @return address of the associated ompi_request_t.
*/
#define VPROTOCOL_RECV_REQ(ftreq) \
((mca_pml_base_recv_request_t *) \
(((uintptr_t) ftreq) - mca_pml_v.host_pml_req_send_size))
/** Gives the actual address of the protocol specific part of a send request.
* @param req (IN) the address of an ompi_request.
* @return address of the custom vprotocol data associated with the request.
*/
#define VPROTOCOL_SEND_FTREQ(req) \
(((uintptr_t) req) + mca_pml_v.host_pml_req_send_size)
/** Gives the address of the real request associated with a protocol specific
* send request.
* @param ftreq (IN) the address of a protocol specific request.
* @return address of the associated ompi_request_t.
*/
#define VPROTOCOL_SEND_REQ(ftreq) \
((mca_pml_base_send_request_t *) \
(((uintptr_t) ftreq) - mca_pml_v.host_pml_req_send_size))
/** Unified macro to get the actual address of the protocol specific part of
* an send - or - recv request.
* @param request (IN) the address of an ompi_request.
* @return address of the custom vprotocol data associated with the request.
*/
#define VPROTOCOL_FTREQ(req) ( \
assert((MCA_PML_REQUEST_SEND == \
((mca_pml_base_request_t *) req)->req_type) || \
(MCA_PML_REQUEST_RECV == \
((mca_pml_base_request_t *) req)->req_type)), \
((MCA_PML_REQUEST_SEND == ((mca_pml_base_request_t *) req)->req_type) \
? VPROTOCOL_SEND_FTREQ(req) \
: VPROTOCOL_RECV_FTREQ(req) \
) \
)
END_C_DECLS
#endif /* __INCLUDE_VPROTOCOL_REQUEST_H_ */
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