105927e9dSPhilippe Mathieu-Daudé /* 205927e9dSPhilippe Mathieu-Daudé * Accelerator per-vCPU handlers 305927e9dSPhilippe Mathieu-Daudé * 405927e9dSPhilippe Mathieu-Daudé * Copyright 2021 SUSE LLC 505927e9dSPhilippe Mathieu-Daudé * 605927e9dSPhilippe Mathieu-Daudé * This work is licensed under the terms of the GNU GPL, version 2 or later. 705927e9dSPhilippe Mathieu-Daudé * See the COPYING file in the top-level directory. 805927e9dSPhilippe Mathieu-Daudé */ 905927e9dSPhilippe Mathieu-Daudé 1005927e9dSPhilippe Mathieu-Daudé #ifndef QEMU_ACCEL_CPU_OPS_H 1105927e9dSPhilippe Mathieu-Daudé #define QEMU_ACCEL_CPU_OPS_H 1205927e9dSPhilippe Mathieu-Daudé 1305927e9dSPhilippe Mathieu-Daudé #include "qemu/accel.h" 1405927e9dSPhilippe Mathieu-Daudé #include "exec/vaddr.h" 1505927e9dSPhilippe Mathieu-Daudé #include "qom/object.h" 1605927e9dSPhilippe Mathieu-Daudé 1705927e9dSPhilippe Mathieu-Daudé #define ACCEL_OPS_SUFFIX "-ops" 1805927e9dSPhilippe Mathieu-Daudé #define TYPE_ACCEL_OPS "accel" ACCEL_OPS_SUFFIX 1905927e9dSPhilippe Mathieu-Daudé #define ACCEL_OPS_NAME(name) (name "-" TYPE_ACCEL_OPS) 2005927e9dSPhilippe Mathieu-Daudé 2105927e9dSPhilippe Mathieu-Daudé DECLARE_CLASS_CHECKERS(AccelOpsClass, ACCEL_OPS, TYPE_ACCEL_OPS) 2205927e9dSPhilippe Mathieu-Daudé 2305927e9dSPhilippe Mathieu-Daudé /** 2405927e9dSPhilippe Mathieu-Daudé * struct AccelOpsClass - accelerator interfaces 2505927e9dSPhilippe Mathieu-Daudé * 2605927e9dSPhilippe Mathieu-Daudé * This structure is used to abstract accelerator differences from the 2705927e9dSPhilippe Mathieu-Daudé * core CPU code. Not all have to be implemented. 2805927e9dSPhilippe Mathieu-Daudé */ 2905927e9dSPhilippe Mathieu-Daudé struct AccelOpsClass { 3005927e9dSPhilippe Mathieu-Daudé /*< private >*/ 3105927e9dSPhilippe Mathieu-Daudé ObjectClass parent_class; 3205927e9dSPhilippe Mathieu-Daudé /*< public >*/ 3305927e9dSPhilippe Mathieu-Daudé 3405927e9dSPhilippe Mathieu-Daudé /* initialization function called when accel is chosen */ 3505927e9dSPhilippe Mathieu-Daudé void (*ops_init)(AccelClass *ac); 3605927e9dSPhilippe Mathieu-Daudé 3705927e9dSPhilippe Mathieu-Daudé bool (*cpus_are_resettable)(void); 3805927e9dSPhilippe Mathieu-Daudé void (*cpu_reset_hold)(CPUState *cpu); 3905927e9dSPhilippe Mathieu-Daudé 4005927e9dSPhilippe Mathieu-Daudé void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */ 4105927e9dSPhilippe Mathieu-Daudé void (*kick_vcpu_thread)(CPUState *cpu); 4205927e9dSPhilippe Mathieu-Daudé bool (*cpu_thread_is_idle)(CPUState *cpu); 4305927e9dSPhilippe Mathieu-Daudé 4405927e9dSPhilippe Mathieu-Daudé /** 4505927e9dSPhilippe Mathieu-Daudé * synchronize_post_reset: 4605927e9dSPhilippe Mathieu-Daudé * synchronize_post_init: 4705927e9dSPhilippe Mathieu-Daudé * @cpu: The vCPU to synchronize. 4805927e9dSPhilippe Mathieu-Daudé * 4905927e9dSPhilippe Mathieu-Daudé * Request to synchronize QEMU vCPU registers to the hardware accelerator 5005927e9dSPhilippe Mathieu-Daudé * (QEMU is the reference). 5105927e9dSPhilippe Mathieu-Daudé */ 5205927e9dSPhilippe Mathieu-Daudé void (*synchronize_post_reset)(CPUState *cpu); 5305927e9dSPhilippe Mathieu-Daudé void (*synchronize_post_init)(CPUState *cpu); 5405927e9dSPhilippe Mathieu-Daudé /** 5505927e9dSPhilippe Mathieu-Daudé * synchronize_state: 5605927e9dSPhilippe Mathieu-Daudé * synchronize_pre_loadvm: 5705927e9dSPhilippe Mathieu-Daudé * @cpu: The vCPU to synchronize. 5805927e9dSPhilippe Mathieu-Daudé * 5905927e9dSPhilippe Mathieu-Daudé * Request to synchronize QEMU vCPU registers from the hardware accelerator 6005927e9dSPhilippe Mathieu-Daudé * (the hardware accelerator is the reference). 6105927e9dSPhilippe Mathieu-Daudé */ 6205927e9dSPhilippe Mathieu-Daudé void (*synchronize_state)(CPUState *cpu); 6305927e9dSPhilippe Mathieu-Daudé void (*synchronize_pre_loadvm)(CPUState *cpu); 6405927e9dSPhilippe Mathieu-Daudé 6505927e9dSPhilippe Mathieu-Daudé /* handle_interrupt is mandatory. */ 6605927e9dSPhilippe Mathieu-Daudé void (*handle_interrupt)(CPUState *cpu, int mask); 6705927e9dSPhilippe Mathieu-Daudé 68*1861993fSPhilippe Mathieu-Daudé /* get_vcpu_stats: Append statistics of this @cpu to @buf */ 69*1861993fSPhilippe Mathieu-Daudé void (*get_vcpu_stats)(CPUState *cpu, GString *buf); 70*1861993fSPhilippe Mathieu-Daudé 7105927e9dSPhilippe Mathieu-Daudé /** 7205927e9dSPhilippe Mathieu-Daudé * @get_virtual_clock: fetch virtual clock 7305927e9dSPhilippe Mathieu-Daudé * @set_virtual_clock: set virtual clock 7405927e9dSPhilippe Mathieu-Daudé * 7505927e9dSPhilippe Mathieu-Daudé * These allow the timer subsystem to defer to the accelerator to 7605927e9dSPhilippe Mathieu-Daudé * fetch time. The set function is needed if the accelerator wants 7705927e9dSPhilippe Mathieu-Daudé * to track the changes to time as the timer is warped through 7805927e9dSPhilippe Mathieu-Daudé * various timer events. 7905927e9dSPhilippe Mathieu-Daudé */ 8005927e9dSPhilippe Mathieu-Daudé int64_t (*get_virtual_clock)(void); 8105927e9dSPhilippe Mathieu-Daudé void (*set_virtual_clock)(int64_t time); 8205927e9dSPhilippe Mathieu-Daudé 8305927e9dSPhilippe Mathieu-Daudé int64_t (*get_elapsed_ticks)(void); 8405927e9dSPhilippe Mathieu-Daudé 8505927e9dSPhilippe Mathieu-Daudé /* gdbstub hooks */ 8605927e9dSPhilippe Mathieu-Daudé bool (*supports_guest_debug)(void); 8705927e9dSPhilippe Mathieu-Daudé int (*update_guest_debug)(CPUState *cpu); 8805927e9dSPhilippe Mathieu-Daudé int (*insert_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len); 8905927e9dSPhilippe Mathieu-Daudé int (*remove_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len); 9005927e9dSPhilippe Mathieu-Daudé void (*remove_all_breakpoints)(CPUState *cpu); 9105927e9dSPhilippe Mathieu-Daudé }; 9205927e9dSPhilippe Mathieu-Daudé 9305927e9dSPhilippe Mathieu-Daudé void generic_handle_interrupt(CPUState *cpu, int mask); 9405927e9dSPhilippe Mathieu-Daudé 9505927e9dSPhilippe Mathieu-Daudé #endif /* QEMU_ACCEL_CPU_OPS_H */ 96