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/*******************************************************************************
* Copyright (C) 2018 Cadence Design Systems, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to use this Software with Cadence processor cores only and
* not with any other processors and platforms, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************/
/*******************************************************************************
* xf-component.h
*
* Xtensa processing framework component definition
*
*******************************************************************************/
#ifndef __XF_H
#error "xf-component.h mustn't be included directly"
#endif
/*******************************************************************************
* Types definitions
******************************************************************************/
/* ...component literal identifier */
typedef const char * const xf_id_t;
/* ...component descriptor (base structure) */
typedef struct xf_component
{
/* ...scheduler node */
xf_task_t task;
/* ...component id */
u32 id;
/* ...message-processing function */
int (*entry)(struct xf_component *, xf_message_t *);
/* ...component destructor function */
int (*exit)(struct xf_component *, xf_message_t *);
#ifndef XAF_ENABLE_NON_HIKEY
/* ...output port accessor */
xf_output_port_t * (*port)(struct xf_component *, u32);
#endif
} xf_component_t;
/*******************************************************************************
* Helpers
******************************************************************************/
/* ...return core-id of the component */
static inline u32 xf_component_core(xf_component_t *component)
{
return XF_PORT_CORE(component->id);
}
/* ...schedule component execution */
#define xf_component_schedule(c, dts) \
({ \
xf_sched_t *__sched = &XF_CORE_DATA(xf_component_core((c)))->sched; \
xf_sched_put(__sched, &(c)->task, xf_sched_timestamp(__sched) + (dts)); \
})
/* ...cancel component execution */
#define xf_component_cancel(c) \
({ \
xf_sched_t *__sched = &XF_CORE_DATA(xf_component_core((c)))->sched; \
xf_sched_cancel(__sched, &(c)->task); \
})
/*******************************************************************************
* API functions
******************************************************************************/
/* ...component factory */
extern xf_component_t * xf_component_factory(u32 core, xf_id_t id, u32 length);
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