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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* vm_event.h: architecture specific vm_event handling routines
*
* Copyright (c) 2015 Tamas K Lengyel (tamas@tklengyel.com)
*/
#ifndef __ASM_X86_VM_EVENT_H__
#define __ASM_X86_VM_EVENT_H__
#include <xen/sched.h>
#include <public/vm_event.h>
/*
* Should we emulate the next matching instruction on VCPU resume
* after a vm_event?
*/
struct arch_vm_event {
uint32_t emulate_flags;
union {
struct vm_event_emul_read_data read;
struct vm_event_emul_insn_data insn;
} emul;
struct monitor_write_data write_data;
struct vm_event_regs_x86 gprs;
bool set_gprs;
/* A sync vm_event has been sent and we're not done handling it. */
bool sync_event;
/* Send mem access events from emulator */
bool send_event;
};
int vm_event_init_domain(struct domain *d);
void vm_event_cleanup_domain(struct domain *d);
void vm_event_toggle_singlestep(struct domain *d, struct vcpu *v,
vm_event_response_t *rsp);
void vm_event_register_write_resume(struct vcpu *v, vm_event_response_t *rsp);
void vm_event_emulate_check(struct vcpu *v, vm_event_response_t *rsp);
void vm_event_sync_event(struct vcpu *v, bool value);
void vm_event_reset_vmtrace(struct vcpu *v);
#endif /* __ASM_X86_VM_EVENT_H__ */
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