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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 2.1 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 "exec/memory.h"
#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);
} MemoryRegionPortio;
#define PORTIO_END_OF_LIST() { }
#ifndef CONFIG_USER_ONLY
extern const MemoryRegionOps unassigned_io_ops;
#endif
void cpu_outb(uint32_t addr, uint8_t val);
void cpu_outw(uint32_t addr, uint16_t val);
void cpu_outl(uint32_t addr, uint32_t val);
uint8_t cpu_inb(uint32_t addr);
uint16_t cpu_inw(uint32_t addr);
uint32_t cpu_inl(uint32_t addr);
typedef struct PortioList {
const struct MemoryRegionPortio *ports;
Object *owner;
struct MemoryRegion *address_space;
uint32_t addr;
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);
void portio_list_set_enabled(PortioList *piolist, bool enabled);
void portio_list_set_address(PortioList *piolist, uint32_t addr);
#endif /* IOPORT_H */
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