forked from Imagelibrary/rtems
126 lines
2.8 KiB
C
126 lines
2.8 KiB
C
/**
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* @file
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*
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* @ingroup RTEMSBSPsPowerPCQorIQInterCom
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*
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* @brief Inter-Processor Communication API.
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*/
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/*
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* Copyright (c) 2011 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef LIBBSP_POWERPC_QORIQ_INTERCOM_H
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#define LIBBSP_POWERPC_QORIQ_INTERCOM_H
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#include <rtems.h>
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#include <rtems/chain.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @defgroup QorIQInterCom QorIQ - Inter-Processor Communication Support
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*
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* @ingroup RTEMSBSPsPowerPCQorIQ
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*
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* @brief Inter-processor communication support.
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*
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* @{
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*/
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uint32_t qoriq_spin_lock(uint32_t *lock);
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void qoriq_spin_unlock(uint32_t *lock, uint32_t msr);
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#define INTERCOM_CORE_COUNT 2
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#define INTERCOM_SERVICE_COUNT 8
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typedef enum {
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INTERCOM_TYPE_MPCI,
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INTERCOM_TYPE_UART_0,
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INTERCOM_TYPE_UART_1,
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INTERCOM_TYPE_NETWORK,
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INTERCOM_TYPE_CUSTOM_0,
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INTERCOM_TYPE_CUSTOM_1,
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INTERCOM_TYPE_CUSTOM_2,
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INTERCOM_TYPE_CUSTOM_3,
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INTERCOM_TYPE_CUSTOM_4
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} intercom_type;
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typedef enum {
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INTERCOM_SIZE_64 = 0,
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INTERCOM_SIZE_512,
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INTERCOM_SIZE_2K,
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INTERCOM_SIZE_4K
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} intercom_size;
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typedef struct intercom_packet {
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union {
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struct intercom_packet *next;
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rtems_chain_node node;
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} glue;
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intercom_type type_index;
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intercom_size size_index;
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uint32_t flags;
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size_t size;
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uint32_t cache_line_alignment [2];
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char data [];
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} intercom_packet;
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typedef void (*intercom_service)(intercom_packet *packet, void *arg);
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void qoriq_intercom_init(void);
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void qoriq_intercom_start(void);
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void qoriq_intercom_service_install(intercom_type type, intercom_service service, void *arg);
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void qoriq_intercom_service_remove(intercom_type type);
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intercom_packet *qoriq_intercom_allocate_packet(intercom_type type, intercom_size size);
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void qoriq_intercom_send_packets(int destination_core, intercom_packet *first, intercom_packet *last);
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static inline void qoriq_intercom_send_packet(int destination_core, intercom_packet *packet)
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{
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qoriq_intercom_send_packets(destination_core, packet, packet);
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}
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void qoriq_intercom_broadcast_packets(intercom_packet *first, intercom_packet *last);
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static inline void qoriq_intercom_broadcast_packet(intercom_packet *packet)
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{
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qoriq_intercom_broadcast_packets(packet, packet);
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}
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void qoriq_intercom_send(int destination_core, intercom_type type, intercom_size size, const void *buf, size_t n);
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void qoriq_intercom_free_packet(intercom_packet *packet);
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intercom_packet *qoriq_intercom_clone_packet(const intercom_packet *packet);
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#ifdef RTEMS_MULTIPROCESSING
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extern rtems_mpci_table qoriq_intercom_mpci;
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#endif
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/** @} */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* LIBBSP_POWERPC_QORIQ_INTERCOM_H */
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