2 * QEMU accel class, system emulation components
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2014 Red Hat Inc.
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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
26 #include "qemu/osdep.h"
27 #include "qemu/accel.h"
28 #include "hw/boards.h"
29 #include "sysemu/cpus.h"
30 #include "qemu/error-report.h"
31 #include "accel-softmmu.h"
33 int accel_init_machine(AccelState
*accel
, MachineState
*ms
)
35 AccelClass
*acc
= ACCEL_GET_CLASS(accel
);
37 ms
->accelerator
= accel
;
38 *(acc
->allowed
) = true;
39 ret
= acc
->init_machine(ms
);
41 ms
->accelerator
= NULL
;
42 *(acc
->allowed
) = false;
43 object_unref(OBJECT(accel
));
45 object_set_accelerator_compat_props(acc
->compat_props
);
50 AccelState
*current_accel(void)
52 return current_machine
->accelerator
;
55 void accel_setup_post(MachineState
*ms
)
57 AccelState
*accel
= ms
->accelerator
;
58 AccelClass
*acc
= ACCEL_GET_CLASS(accel
);
59 if (acc
->setup_post
) {
60 acc
->setup_post(ms
, accel
);
64 /* initialize the arch-independent accel operation interfaces */
65 void accel_init_ops_interfaces(AccelClass
*ac
)
72 ac_name
= object_class_get_name(OBJECT_CLASS(ac
));
73 g_assert(ac_name
!= NULL
);
75 ops_name
= g_strdup_printf("%s" ACCEL_OPS_SUFFIX
, ac_name
);
76 ops
= ACCEL_OPS_CLASS(module_object_class_by_name(ops_name
));
77 oc
= module_object_class_by_name(ops_name
);
79 error_report("fatal: could not load module for type '%s'", ops_name
);
83 ops
= ACCEL_OPS_CLASS(oc
);
85 * all accelerators need to define ops, providing at least a mandatory
86 * non-NULL create_vcpu_thread operation.
88 g_assert(ops
!= NULL
);
92 cpus_register_accel(ops
);
95 static const TypeInfo accel_ops_type_info
= {
96 .name
= TYPE_ACCEL_OPS
,
97 .parent
= TYPE_OBJECT
,
99 .class_size
= sizeof(AccelOpsClass
),
102 static void accel_softmmu_register_types(void)
104 type_register_static(&accel_ops_type_info
);
106 type_init(accel_softmmu_register_types
);