ppc/pnv: Add a HIOMAP erase command
[qemu.git] / include / hw / core / split-irq.h
1 /*
2 * IRQ splitter device.
3 *
4 * Copyright (c) 2018 Linaro Limited.
5 * Written by Peter Maydell
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 /* This is a simple device which has one GPIO input line and multiple
27 * GPIO output lines. Any change on the input line is forwarded to all
28 * of the outputs.
29 *
30 * QEMU interface:
31 * + one unnamed GPIO input: the input line
32 * + N unnamed GPIO outputs: the output lines
33 * + QOM property "num-lines": sets the number of output lines
34 */
35 #ifndef HW_SPLIT_IRQ_H
36 #define HW_SPLIT_IRQ_H
37
38 #include "hw/sysbus.h"
39 #include "qom/object.h"
40
41 #define TYPE_SPLIT_IRQ "split-irq"
42
43 #define MAX_SPLIT_LINES 16
44
45 typedef struct SplitIRQ SplitIRQ;
46
47 #define SPLIT_IRQ(obj) OBJECT_CHECK(SplitIRQ, (obj), TYPE_SPLIT_IRQ)
48
49 struct SplitIRQ {
50 DeviceState parent_obj;
51
52 qemu_irq out_irq[MAX_SPLIT_LINES];
53 uint16_t num_lines;
54 };
55
56 #endif