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