Disable preadv/pwritev support
[qemu-kvm/fedora.git] / ioport.h
blobf981e8c47522ccb6c4b0044a02233e77bd1f31ba
1 /*
2 * defines ioport related functions
4 * Copyright (c) 2003 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 /**************************************************************************
21 * IO ports API
24 #ifndef IOPORT_H
25 #define IOPORT_H
27 #include "qemu-common.h"
29 typedef uint32_t pio_addr_t;
30 #define FMT_pioaddr PRIx32
32 #define MAX_IOPORTS (64 * 1024)
33 #define IOPORTS_MASK (MAX_IOPORTS - 1)
35 /* These should really be in isa.h, but are here to make pc.h happy. */
36 typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
37 typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
39 int register_ioport_read(pio_addr_t start, int length, int size,
40 IOPortReadFunc *func, void *opaque);
41 int register_ioport_write(pio_addr_t start, int length, int size,
42 IOPortWriteFunc *func, void *opaque);
43 void isa_unassign_ioport(pio_addr_t start, int length);
46 /* NOTE: as these functions may be even used when there is an isa
47 brige on non x86 targets, we always defined them */
48 #if !defined(NO_CPU_IO_DEFS) && defined(NEED_CPU_H)
49 void cpu_outb(CPUState *env, pio_addr_t addr, uint8_t val);
50 void cpu_outw(CPUState *env, pio_addr_t addr, uint16_t val);
51 void cpu_outl(CPUState *env, pio_addr_t addr, uint32_t val);
52 uint8_t cpu_inb(CPUState *env, pio_addr_t addr);
53 uint16_t cpu_inw(CPUState *env, pio_addr_t addr);
54 uint32_t cpu_inl(CPUState *env, pio_addr_t addr);
55 #endif
57 #endif /* IOPORT_H */