/* * 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 */