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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*/
/*
* COPYRIGHT (c) 1989-1999, 2016.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems.h>
#include "shm_driver.h"
struct pkt_cpy {
uint32_t packet[MAX_PACKET_SIZE/4];
};
/**
* This routine is the shared memory driver locked queue write
* MPCI driver routine. This routine sends the specified packet
* to the destination specified by "node". A "node" value of
* zero designates that this packet is to be broadcasted.
*
* @param node is the destination of this packet (0 = broadcast)
* @param packet is the address of packet
*
* @return NONE
*/
rtems_mpci_entry Shm_Send_packet(
uint32_t node,
rtems_packet_prefix *packet
)
{
Shm_Envelope_control *ecb, *tmp_ecb;
uint32_t nnum;
ecb = Shm_Packet_prefix_to_envelope_control_pointer( packet );
if ( node ) {
Shm_Build_preamble( ecb, node );
Shm_Build_postamble( ecb );
Shm_Append_to_receive_queue( node, ecb );
(*Shm_Configuration->cause_intr)( node );
}
else {
for( nnum = SHM_FIRST_NODE ; nnum <= SHM_MAXIMUM_NODES ; nnum++ )
if ( rtems_object_get_local_node() != nnum ) {
struct pkt_cpy *pkt;
tmp_ecb = Shm_Allocate_envelope();
if ( !tmp_ecb )
rtems_fatal_error_occurred( SHM_NO_FREE_PKTS );
Shm_Build_preamble( tmp_ecb, nnum );
pkt = (struct pkt_cpy *)tmp_ecb->packet;
*pkt = *((struct pkt_cpy *)packet);
Shm_Build_postamble( tmp_ecb );
Shm_Append_to_receive_queue( nnum, tmp_ecb );
(*Shm_Configuration->cause_intr)( nnum );
}
Shm_Free_envelope( ecb );
}
}
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