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/*
* Accelerator OPS, used for cpus.c module
*
* Copyright 2021 SUSE LLC
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef ACCEL_OPS_H
#define ACCEL_OPS_H
#include "exec/cpu-common.h"
#include "qom/object.h"
#define ACCEL_OPS_SUFFIX "-ops"
#define TYPE_ACCEL_OPS "accel" ACCEL_OPS_SUFFIX
#define ACCEL_OPS_NAME(name) (name "-" TYPE_ACCEL_OPS)
typedef struct AccelOpsClass AccelOpsClass;
DECLARE_CLASS_CHECKERS(AccelOpsClass, ACCEL_OPS, TYPE_ACCEL_OPS)
/**
* struct AccelOpsClass - accelerator interfaces
*
* This structure is used to abstract accelerator differences from the
* core CPU code. Not all have to be implemented.
*/
struct AccelOpsClass {
/*< private >*/
ObjectClass parent_class;
/*< public >*/
/* initialization function called when accel is chosen */
void (*ops_init)(AccelOpsClass *ops);
bool (*cpus_are_resettable)(void);
void (*cpu_reset_hold)(CPUState *cpu);
void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */
void (*kick_vcpu_thread)(CPUState *cpu);
bool (*cpu_thread_is_idle)(CPUState *cpu);
void (*synchronize_post_reset)(CPUState *cpu);
void (*synchronize_post_init)(CPUState *cpu);
void (*synchronize_state)(CPUState *cpu);
void (*synchronize_pre_loadvm)(CPUState *cpu);
void (*synchronize_pre_resume)(bool step_pending);
void (*handle_interrupt)(CPUState *cpu, int mask);
/**
* @get_virtual_clock: fetch virtual clock
* @set_virtual_clock: set virtual clock
*
* These allow the timer subsystem to defer to the accelerator to
* fetch time. The set function is needed if the accelerator wants
* to track the changes to time as the timer is warped through
* various timer events.
*/
int64_t (*get_virtual_clock)(void);
void (*set_virtual_clock)(int64_t time);
int64_t (*get_elapsed_ticks)(void);
/* gdbstub hooks */
bool (*supports_guest_debug)(void);
int (*update_guest_debug)(CPUState *cpu);
int (*insert_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
int (*remove_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
void (*remove_all_breakpoints)(CPUState *cpu);
};
#endif /* ACCEL_OPS_H */
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