jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * QEMU ADB emulation shared definitions and prototypes
3 *
4 * Copyright (c) 2004-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
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 ADB_H
27#define ADB_H
28
29#include "hw/qdev-core.h"
30
31#define MAX_ADB_DEVICES 16
32
33#define ADB_MAX_OUT_LEN 16
34
35typedef struct ADBBusState ADBBusState;
36typedef struct ADBDevice ADBDevice;
37
38/* buf = NULL means polling */
39typedef int ADBDeviceRequest(ADBDevice *d, uint8_t *buf_out,
40 const uint8_t *buf, int len);
41
42typedef bool ADBDeviceHasData(ADBDevice *d);
43
44#define TYPE_ADB_DEVICE "adb-device"
45#define ADB_DEVICE(obj) OBJECT_CHECK(ADBDevice, (obj), TYPE_ADB_DEVICE)
46
47struct ADBDevice {
48 /*< private >*/
49 DeviceState parent_obj;
50 /*< public >*/
51
52 int devaddr;
53 int handler;
54};
55
56#define ADB_DEVICE_CLASS(cls) \
57 OBJECT_CLASS_CHECK(ADBDeviceClass, (cls), TYPE_ADB_DEVICE)
58#define ADB_DEVICE_GET_CLASS(obj) \
59 OBJECT_GET_CLASS(ADBDeviceClass, (obj), TYPE_ADB_DEVICE)
60
61typedef struct ADBDeviceClass {
62 /*< private >*/
63 DeviceClass parent_class;
64 /*< public >*/
65
66 ADBDeviceRequest *devreq;
67 ADBDeviceHasData *devhasdata;
68} ADBDeviceClass;
69
70#define TYPE_ADB_BUS "apple-desktop-bus"
71#define ADB_BUS(obj) OBJECT_CHECK(ADBBusState, (obj), TYPE_ADB_BUS)
72
73#define ADB_STATUS_BUSTIMEOUT 0x1
74#define ADB_STATUS_POLLREPLY 0x2
75
76struct ADBBusState {
77 /*< private >*/
78 BusState parent_obj;
79 /*< public >*/
80
81 ADBDevice *devices[MAX_ADB_DEVICES];
82 uint16_t pending;
83 int nb_devices;
84 int poll_index;
85 uint8_t status;
86
87 QEMUTimer *autopoll_timer;
88 bool autopoll_enabled;
89 bool autopoll_blocked;
90 uint8_t autopoll_rate_ms;
91 uint16_t autopoll_mask;
92 void (*autopoll_cb)(void *opaque);
93 void *autopoll_cb_opaque;
94};
95
96int adb_request(ADBBusState *s, uint8_t *buf_out,
97 const uint8_t *buf, int len);
98int adb_poll(ADBBusState *s, uint8_t *buf_out, uint16_t poll_mask);
99
100void adb_autopoll_block(ADBBusState *s);
101void adb_autopoll_unblock(ADBBusState *s);
102
103void adb_set_autopoll_enabled(ADBBusState *s, bool enabled);
104void adb_set_autopoll_rate_ms(ADBBusState *s, int rate_ms);
105void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask);
106void adb_register_autopoll_callback(ADBBusState *s, void (*cb)(void *opaque),
107 void *opaque);
108
109#define TYPE_ADB_KEYBOARD "adb-keyboard"
110#define TYPE_ADB_MOUSE "adb-mouse"
111
112#endif /* ADB_H */