block/export: Add query-block-exports
[qemu.git] / include / hw / rtc / m48t59.h
1 /*
2 * QEMU M48T59 and M48T08 NVRAM emulation
3 *
4 * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
5 * Copyright (c) 2013 Hervé Poussineau
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26 #ifndef HW_RTC_M48T59_H
27 #define HW_RTC_M48T59_H
28
29 #include "exec/hwaddr.h"
30 #include "qom/object.h"
31
32 #define TYPE_NVRAM "nvram"
33
34 typedef struct NvramClass NvramClass;
35 DECLARE_CLASS_CHECKERS(NvramClass, NVRAM,
36 TYPE_NVRAM)
37 #define NVRAM(obj) \
38 INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
39
40 typedef struct Nvram Nvram;
41
42 struct NvramClass {
43 InterfaceClass parent;
44
45 uint32_t (*read)(Nvram *obj, uint32_t addr);
46 void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
47 void (*toggle_lock)(Nvram *obj, int lock);
48 };
49
50 Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
51 int base_year, int type);
52 Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
53 uint32_t io_base, uint16_t size, int base_year,
54 int type);
55
56 #endif /* HW_M48T59_H */