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/*

 * defines ioport related functions

 *

 *  Copyright (c) 2003 Fabrice Bellard

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

/**************************************************************************

 * IO ports API

 */

#ifndef IOPORT_H

#define IOPORT_H

#include "qemu-common.h"

#include "qom/object.h"

#include "exec/memory.h"

typedef uint32_t pio_addr_t;

#define FMT_pioaddr     PRIx32

#define MAX_IOPORTS     (64 * 1024)

#define IOPORTS_MASK    (MAX_IOPORTS - 1)

typedef struct MemoryRegionPortio {

    uint32_t offset;

    uint32_t len;

    unsigned size;

    uint32_t (*read)(void *opaque, uint32_t address);

    void (*write)(void *opaque, uint32_t address, uint32_t data);

    uint32_t base; /* private field */

} MemoryRegionPortio;

#define PORTIO_END_OF_LIST() { }

#ifndef CONFIG_USER_ONLY

extern const MemoryRegionOps unassigned_io_ops;

#endif

void cpu_outb(pio_addr_t addr, uint8_t val);

void cpu_outw(pio_addr_t addr, uint16_t val);

void cpu_outl(pio_addr_t addr, uint32_t val);

uint8_t cpu_inb(pio_addr_t addr);

uint16_t cpu_inw(pio_addr_t addr);

uint32_t cpu_inl(pio_addr_t addr);

typedef struct PortioList {

    const struct MemoryRegionPortio *ports;

    Object *owner;

    struct MemoryRegion *address_space;

    unsigned nr;

    struct MemoryRegion **regions;

    void *opaque;

    const char *name;

    bool flush_coalesced_mmio;

} PortioList;

void portio_list_init(PortioList *piolist, Object *owner,

                      const struct MemoryRegionPortio *callbacks,

                      void *opaque, const char *name);

void portio_list_set_flush_coalesced(PortioList *piolist);

void portio_list_destroy(PortioList *piolist);

void portio_list_add(PortioList *piolist,

                     struct MemoryRegion *address_space,

                     uint32_t addr);

void portio_list_del(PortioList *piolist);

#endif /* IOPORT_H */