kernel-module/ring_buffer.h

/**
 * ring_buffer.h
 * Ring Buffer Public API
 *
 * Author: Ahmad Ali Parr
 * License: Sovereign Source
 */

#ifndef ASOS_RING_BUFFER_H
#define ASOS_RING_BUFFER_H

#include <linux/types.h>
#include "intent_schema.h"

/* Forward declaration */
struct IntentRing;
struct vm_area_struct;

/* Ring buffer lifecycle */
struct IntentRing *ring_buffer_create(size_t capacity);
void ring_buffer_destroy(struct IntentRing *ring);

/* Producer operations (user space) */
int ring_buffer_submit(struct IntentRing *ring,
                       const struct SystemIntent __user *user_intent);

/* Consumer operations (kernel) */
int ring_buffer_consume(struct IntentRing *ring,
                        struct SystemIntent *intent_out);
int ring_buffer_complete(struct IntentRing *ring,
                         const struct IntentResult *result);

/* Status */
int ring_buffer_stats(struct IntentRing *ring,
                      unsigned int *head_out,
                      unsigned int *tail_out,
                      unsigned int *active_out);

/* Memory mapping */
int ring_buffer_mmap(struct IntentRing *ring, struct vm_area_struct *vma);

#endif /* ASOS_RING_BUFFER_H */