/*
 * DMA helper functions
 *
 * Copyright (c) 2009 Red Hat
 *
 * This work is licensed under the terms of the GNU General Public License
 * (GNU GPL), version 2 or later.
 */

#ifndef DMA_H
#define DMA_H

#include <stdio.h>
#include "cpu.h"

typedef struct {
    target_phys_addr_t base;
    target_phys_addr_t len;
} ScatterGatherEntry;

typedef struct {
    ScatterGatherEntry *sg;
    int nsg;
    int nalloc;
    target_phys_addr_t size;
} QEMUSGList;

void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint);
void qemu_sglist_add(QEMUSGList *qsg, target_phys_addr_t base,
                     target_phys_addr_t len);
void qemu_sglist_destroy(QEMUSGList *qsg);

#endif