1 | /* QEMU accelerator interfaces |
2 | * |
3 | * Copyright (c) 2014 Red Hat Inc |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
6 | * of this software and associated documentation files (the "Software"), to deal |
7 | * in the Software without restriction, including without limitation the rights |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
9 | * copies of the Software, and to permit persons to whom the Software is |
10 | * furnished to do so, subject to the following conditions: |
11 | * |
12 | * The above copyright notice and this permission notice shall be included in |
13 | * all copies or substantial portions of the Software. |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
21 | * THE SOFTWARE. |
22 | */ |
23 | #ifndef HW_ACCEL_H |
24 | #define HW_ACCEL_H |
25 | |
26 | #include "qom/object.h" |
27 | #include "exec/hwaddr.h" |
28 | |
29 | typedef struct AccelState { |
30 | /*< private >*/ |
31 | Object parent_obj; |
32 | } AccelState; |
33 | |
34 | typedef struct AccelClass { |
35 | /*< private >*/ |
36 | ObjectClass parent_class; |
37 | /*< public >*/ |
38 | |
39 | const char *name; |
40 | int (*init_machine)(MachineState *ms); |
41 | void (*setup_post)(MachineState *ms, AccelState *accel); |
42 | bool (*has_memory)(MachineState *ms, AddressSpace *as, |
43 | hwaddr start_addr, hwaddr size); |
44 | bool *allowed; |
45 | /* |
46 | * Array of global properties that would be applied when specific |
47 | * accelerator is chosen. It works like MachineClass.compat_props |
48 | * but it's for accelerators not machines. Accelerator-provided |
49 | * global properties may be overridden by machine-type |
50 | * compat_props or user-provided global properties. |
51 | */ |
52 | GPtrArray *compat_props; |
53 | } AccelClass; |
54 | |
55 | #define TYPE_ACCEL "accel" |
56 | |
57 | #define ACCEL_CLASS_SUFFIX "-" TYPE_ACCEL |
58 | #define ACCEL_CLASS_NAME(a) (a ACCEL_CLASS_SUFFIX) |
59 | |
60 | #define ACCEL_CLASS(klass) \ |
61 | OBJECT_CLASS_CHECK(AccelClass, (klass), TYPE_ACCEL) |
62 | #define ACCEL(obj) \ |
63 | OBJECT_CHECK(AccelState, (obj), TYPE_ACCEL) |
64 | #define ACCEL_GET_CLASS(obj) \ |
65 | OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL) |
66 | |
67 | extern unsigned long tcg_tb_size; |
68 | |
69 | void configure_accelerator(MachineState *ms, const char *progname); |
70 | /* Called just before os_setup_post (ie just before drop OS privs) */ |
71 | void accel_setup_post(MachineState *ms); |
72 | |
73 | #endif |
74 | |