[qemu.git] / dma.h

/*
 * 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
Commit	Line	Data
244ab90e AL	1	/*
	2	* DMA helper functions
	3	*
	4	* Copyright (c) 2009 Red Hat
	5	*
	6	* This work is licensed under the terms of the GNU General Public License
	7	* (GNU GPL), version 2 or later.
	8	*/
	9
	10	#ifndef DMA_H
	11	#define DMA_H
	12
	13	#include <stdio.h>
	14	#include "cpu.h"
	15
	16	typedef struct {
	17	target_phys_addr_t base;
	18	target_phys_addr_t len;
	19	} ScatterGatherEntry;
	20
	21	typedef struct {
	22	ScatterGatherEntry *sg;
	23	int nsg;
	24	int nalloc;
	25	target_phys_addr_t size;
	26	} QEMUSGList;
	27
	28	void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint);
	29	void qemu_sglist_add(QEMUSGList *qsg, target_phys_addr_t base,
	30	target_phys_addr_t len);
	31	void qemu_sglist_destroy(QEMUSGList *qsg);
	32
	33	#endif