xref: /illumos-kvm-cmd/ioport.h (revision 68396ea9)
1 /*
2  * defines ioport related functions
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
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.
10  *
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.
15  *
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/>.
18  */
19 
20 /**************************************************************************
21  * IO ports API
22  */
23 
24 #ifndef IOPORT_H
25 #define IOPORT_H
26 
27 #include "qemu-common.h"
28 #include "iorange.h"
29 
30 typedef uint32_t pio_addr_t;
31 #define FMT_pioaddr     PRIx32
32 
33 #define MAX_IOPORTS     (64 * 1024)
34 #define IOPORTS_MASK    (MAX_IOPORTS - 1)
35 
36 /* These should really be in isa.h, but are here to make pc.h happy.  */
37 typedef void (IOPortWriteFunc)(void *opaque, uint32_t address, uint32_t data);
38 typedef uint32_t (IOPortReadFunc)(void *opaque, uint32_t address);
39 
40 void ioport_register(IORange *iorange);
41 int register_ioport_read(pio_addr_t start, int length, int size,
42                          IOPortReadFunc *func, void *opaque);
43 int register_ioport_write(pio_addr_t start, int length, int size,
44                           IOPortWriteFunc *func, void *opaque);
45 void isa_unassign_ioport(pio_addr_t start, int length);
46 
47 
48 void cpu_outb(pio_addr_t addr, uint8_t val);
49 void cpu_outw(pio_addr_t addr, uint16_t val);
50 void cpu_outl(pio_addr_t addr, uint32_t val);
51 uint8_t cpu_inb(pio_addr_t addr);
52 uint16_t cpu_inw(pio_addr_t addr);
53 uint32_t cpu_inl(pio_addr_t addr);
54 
55 #endif /* IOPORT_H */
56