1 files changed, 74 insertions, 0 deletions
diff --git a/include/system/accel-ops.h b/include/system/accel-ops.h
new file mode 100644
index 0000000000..137fb96d44
--- /dev/null
+++ b/include/system/accel-ops.h
@@ -0,0 +1,74 @@
+/*
+ * 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/vaddr.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 */