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32993977 IY |
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 | |
8167ee88 | 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
32993977 IY |
18 | */ |
19 | ||
20 | /************************************************************************** | |
21 | * IO ports API | |
22 | */ | |
23 | ||
24 | #ifndef IOPORT_H | |
25 | #define IOPORT_H | |
26 | ||
27 | #include "qemu-common.h" | |
db10ca90 | 28 | #include "qom/object.h" |
5767e4e1 | 29 | #include "exec/memory.h" |
32993977 | 30 | |
c227f099 | 31 | typedef uint32_t pio_addr_t; |
07323531 IY |
32 | #define FMT_pioaddr PRIx32 |
33 | ||
32993977 | 34 | #define MAX_IOPORTS (64 * 1024) |
d56dd6cf | 35 | #define IOPORTS_MASK (MAX_IOPORTS - 1) |
32993977 | 36 | |
5767e4e1 JK |
37 | typedef struct MemoryRegionPortio { |
38 | uint32_t offset; | |
39 | uint32_t len; | |
40 | unsigned size; | |
41 | uint32_t (*read)(void *opaque, uint32_t address); | |
42 | void (*write)(void *opaque, uint32_t address, uint32_t data); | |
43 | uint32_t base; /* private field */ | |
44 | } MemoryRegionPortio; | |
45 | ||
46 | #define PORTIO_END_OF_LIST() { } | |
32993977 | 47 | |
3bb28b72 JK |
48 | #ifndef CONFIG_USER_ONLY |
49 | extern const MemoryRegionOps unassigned_io_ops; | |
50 | #endif | |
51 | ||
c227f099 AL |
52 | void cpu_outb(pio_addr_t addr, uint8_t val); |
53 | void cpu_outw(pio_addr_t addr, uint16_t val); | |
54 | void cpu_outl(pio_addr_t addr, uint32_t val); | |
55 | uint8_t cpu_inb(pio_addr_t addr); | |
56 | uint16_t cpu_inw(pio_addr_t addr); | |
57 | uint32_t cpu_inl(pio_addr_t addr); | |
32993977 | 58 | |
6bf9fd43 AK |
59 | typedef struct PortioList { |
60 | const struct MemoryRegionPortio *ports; | |
db10ca90 | 61 | Object *owner; |
6bf9fd43 AK |
62 | struct MemoryRegion *address_space; |
63 | unsigned nr; | |
64 | struct MemoryRegion **regions; | |
65 | void *opaque; | |
66 | const char *name; | |
c76bc480 | 67 | bool flush_coalesced_mmio; |
6bf9fd43 AK |
68 | } PortioList; |
69 | ||
db10ca90 | 70 | void portio_list_init(PortioList *piolist, Object *owner, |
6bf9fd43 AK |
71 | const struct MemoryRegionPortio *callbacks, |
72 | void *opaque, const char *name); | |
c76bc480 | 73 | void portio_list_set_flush_coalesced(PortioList *piolist); |
6bf9fd43 AK |
74 | void portio_list_destroy(PortioList *piolist); |
75 | void portio_list_add(PortioList *piolist, | |
76 | struct MemoryRegion *address_space, | |
77 | uint32_t addr); | |
78 | void portio_list_del(PortioList *piolist); | |
79 | ||
32993977 | 80 | #endif /* IOPORT_H */ |