blob: 972a849a2b96300371f18f57eb438b1c4445f6bb [file] [log] [blame]
/* QEMU accelerator interfaces
*
* Copyright (c) 2014 Red Hat Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_ACCEL_H
#define QEMU_ACCEL_H
#include "qom/object.h"
#include "exec/hwaddr.h"
struct AccelState {
/*< private >*/
Object parent_obj;
};
typedef struct AccelClass {
/*< private >*/
ObjectClass parent_class;
/*< public >*/
const char *name;
int (*init_machine)(MachineState *ms);
#ifndef CONFIG_USER_ONLY
void (*setup_post)(MachineState *ms, AccelState *accel);
bool (*has_memory)(MachineState *ms, AddressSpace *as,
hwaddr start_addr, hwaddr size);
#endif
bool (*cpu_common_realize)(CPUState *cpu, Error **errp);
void (*cpu_common_unrealize)(CPUState *cpu);
/* gdbstub related hooks */
int (*gdbstub_supported_sstep_flags)(void);
bool *allowed;
/*
* Array of global properties that would be applied when specific
* accelerator is chosen. It works like MachineClass.compat_props
* but it's for accelerators not machines. Accelerator-provided
* global properties may be overridden by machine-type
* compat_props or user-provided global properties.
*/
GPtrArray *compat_props;
} AccelClass;
#define TYPE_ACCEL "accel"
#define ACCEL_CLASS_SUFFIX "-" TYPE_ACCEL
#define ACCEL_CLASS_NAME(a) (a ACCEL_CLASS_SUFFIX)
#define ACCEL_CLASS(klass) \
OBJECT_CLASS_CHECK(AccelClass, (klass), TYPE_ACCEL)
#define ACCEL(obj) \
OBJECT_CHECK(AccelState, (obj), TYPE_ACCEL)
#define ACCEL_GET_CLASS(obj) \
OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL)
AccelClass *accel_find(const char *opt_name);
AccelState *current_accel(void);
const char *current_accel_name(void);
void accel_init_interfaces(AccelClass *ac);
#ifndef CONFIG_USER_ONLY
int accel_init_machine(AccelState *accel, MachineState *ms);
/* Called just before os_setup_post (ie just before drop OS privs) */
void accel_setup_post(MachineState *ms);
#endif /* !CONFIG_USER_ONLY */
/**
* accel_cpu_instance_init:
* @cpu: The CPU that needs to do accel-specific object initializations.
*/
void accel_cpu_instance_init(CPUState *cpu);
/**
* accel_cpu_common_realize:
* @cpu: The CPU that needs to call accel-specific cpu realization.
* @errp: currently unused.
*/
bool accel_cpu_common_realize(CPUState *cpu, Error **errp);
/**
* accel_cpu_common_unrealize:
* @cpu: The CPU that needs to call accel-specific cpu unrealization.
*/
void accel_cpu_common_unrealize(CPUState *cpu);
/**
* accel_supported_gdbstub_sstep_flags:
*
* Returns the supported single step modes for the configured
* accelerator.
*/
int accel_supported_gdbstub_sstep_flags(void);
#endif /* QEMU_ACCEL_H */