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/*
* Copyright 2008 Sony Corporation of America
*
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this Library and associated documentation files (the
* "Library"), to deal in the Library without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Library, and to
* permit persons to whom the Library is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Library.
*
* If you modify the Library, you may copy and distribute your modified
* version of the Library in object code or as an executable provided
* that you also do one of the following:
*
* Accompany the modified version of the Library with the complete
* corresponding machine-readable source code for the modified version
* of the Library; or,
*
* Accompany the modified version of the Library with a written offer
* for a complete machine-readable copy of the corresponding source
* code of the modified version of the Library.
*
*
* THE LIBRARY 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
* LIBRARY OR THE USE OR OTHER DEALINGS IN THE LIBRARY.
*/
#ifndef MARS_KERNEL_INTERNAL_TYPES_H
#define MARS_KERNEL_INTERNAL_TYPES_H
#include <stdint.h>
#include "mars/mutex_types.h"
#define MARS_KERNEL_ID_NONE 0xffff
#define MARS_KERNEL_STATUS_BUSY 0x0
#define MARS_KERNEL_STATUS_IDLE 0x1
#define MARS_KERNEL_STATUS_EXIT 0x2
#define MARS_KERNEL_TICKS_FLAG_SYNC_BEGIN 0x1
#define MARS_KERNEL_TICKS_FLAG_SYNC_END 0x2
#define MARS_KERNEL_PARAMS_ALIGN 128
#define MARS_KERNEL_PARAMS_SIZE 128
#define MARS_KERNEL_DMA_TAG 31
/* mars kernel syscalls */
struct mars_kernel_syscalls {
uint32_t (*get_ticks)(void);
uint64_t (*get_mars_context_ea)(void);
uint16_t (*get_kernel_id)(void);
uint16_t (*get_workload_id)(void);
struct mars_workload_context * (*get_workload)(void);
struct mars_workload_context * (*get_workload_by_id)(uint16_t id);
void (*workload_exit)(uint8_t state);
int (*workload_query)(uint16_t id, int query);
int (*workload_wait_set)(uint16_t id);
int (*workload_wait_reset)(void);
int (*workload_signal_set)(uint16_t id);
int (*workload_signal_reset)(void);
int (*workload_schedule_begin)(uint16_t id, uint8_t priority,
struct mars_workload_context **workload);
int (*workload_schedule_end)(uint16_t id);
int (*workload_schedule_cancel)(uint16_t id);
int (*host_signal_send)(uint64_t watch_point_ea);
int (*mutex_lock_get)(uint64_t mutex_ea, struct mars_mutex *mutex);
int (*mutex_unlock_put)(uint64_t mutex_ea, struct mars_mutex *mutex);
int (*dma_get)(void *ls, uint64_t ea, uint32_t size, uint32_t tag);
int (*dma_put)(const void *ls, uint64_t ea, uint32_t size,
uint32_t tag);
int (*dma_wait)(uint32_t tag);
};
/* mars kernel ticks */
struct mars_kernel_ticks {
uint32_t flag;
uint32_t offset;
};
/* mars kernel parameters */
struct mars_kernel_params {
uint64_t mars_context_ea;
uint64_t workload_queue_ea;
struct mars_kernel_ticks kernel_ticks;
uint16_t kernel_id;
uint8_t pad[MARS_KERNEL_PARAMS_SIZE - 26];
} __attribute__((aligned(MARS_KERNEL_PARAMS_ALIGN)));
/* mars kernel mutex */
int mutex_lock_get(uint64_t mutex_ea, struct mars_mutex *mutex);
int mutex_unlock_put(uint64_t mutex_ea, struct mars_mutex *mutex);
/* mars kernel dma */
int dma_get(void *ls, uint64_t ea, uint32_t size, uint32_t tag);
int dma_put(const void *ls, uint64_t ea, uint32_t size, uint32_t tag);
int dma_wait(uint32_t tag);
/* mars module entry */
void mars_module_entry(struct mars_kernel_syscalls *syscalls);
#endif
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