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accel: replace struct CpusAccel with AccelOpsClass

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This will allow us to centralize the registration of
the cpus.c module accelerator operations (in accel/accel-softmmu.c),
and trigger it automatically using object hierarchy lookup from the
new accel_init_interfaces() initialization step, depending just on
which accelerators are available in the code.

Rename all tcg-cpus.c, kvm-cpus.c, etc to tcg-accel-ops.c,
kvm-accel-ops.c, etc, matching the object type names.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-Id: <20210204163931.7358-18-cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Claudio Fontana 2021-02-04 17:39:25 +01:00 • committed by Richard Henderson
parent 940e43aa30
commit b86f59c715
44 changed files with 361 additions and 163 deletions
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45
include/sysemu/accel-ops.h Normal file
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@ -0,0 +1,45 @@
/*
* 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 "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)
/* cpus.c operations interface */
struct AccelOpsClass {
/*< private >*/
ObjectClass parent_class;
/*< public >*/
/* initialization function called when accel is chosen */
void (*ops_init)(AccelOpsClass *ops);
void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */
void (*kick_vcpu_thread)(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 (*handle_interrupt)(CPUState *cpu, int mask);
int64_t (*get_virtual_clock)(void);
int64_t (*get_elapsed_ticks)(void);
};
#endif /* ACCEL_OPS_H */

26
include/sysemu/cpus.h
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@ -2,30 +2,14 @@
#define QEMU_CPUS_H
#include "qemu/timer.h"
#include "sysemu/accel-ops.h"
/* cpus.c */
/* register accel-specific operations */
void cpus_register_accel(const AccelOpsClass *i);
/* CPU execution threads */
/* accel/dummy-cpus.c */
typedef struct CpusAccel {
void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY */
void (*kick_vcpu_thread)(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 (*handle_interrupt)(CPUState *cpu, int mask);
int64_t (*get_virtual_clock)(void);
int64_t (*get_elapsed_ticks)(void);
} CpusAccel;
/* register accel-specific cpus interface implementation */
void cpus_register_accel(const CpusAccel *i);
/* Create a dummy vcpu for CpusAccel->create_vcpu_thread */
/* Create a dummy vcpu for AccelOpsClass->create_vcpu_thread */
void dummy_start_vcpu_thread(CPUState *);
/* interface available for cpus accelerator threads */