/*
* Copyright (c) 2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _KERN_HV_SUPPORT_KEXT_H_
#define _KERN_HV_SUPPORT_KEXT_H_
#if defined(__cplusplus)
extern "C" {
#endif
#include <stdint.h>
#include <kern/kern_types.h>
#include <mach/kern_return.h>
#include <kern/hv_io_notifier.h>
typedef enum {
HV_DEBUG_STATE
} hv_volatile_state_t;
typedef enum {
HV_TASK_TRAP = 0,
HV_THREAD_TRAP = 1
} hv_trap_type_t;
typedef kern_return_t (*hv_trap_t) (void *target, uint64_t arg);
typedef struct {
const hv_trap_t *traps;
unsigned trap_count;
} hv_trap_table_t;
typedef struct {
void (*dispatch)(void *vcpu);
void (*preempt)(void *vcpu);
void (*suspend)(void);
void (*thread_destroy)(void *vcpu);
void (*task_destroy)(void *vm);
void (*volatile_state)(void *vcpu, int state);
#define HV_CALLBACKS_RESUME_DEFINED 1
void (*resume)(void);
void (*memory_pressure)(void);
} hv_callbacks_t;
extern hv_callbacks_t hv_callbacks;
extern int hv_support_available;
extern void hv_support_init(void);
extern int hv_get_support(void);
extern void hv_set_task_target(void *target);
extern void hv_set_thread_target(void *target);
extern void *hv_get_task_target(void);
extern void *hv_get_thread_target(void);
extern int hv_get_volatile_state(hv_volatile_state_t state);
extern kern_return_t hv_set_traps(hv_trap_type_t trap_type,
const hv_trap_t *traps, unsigned trap_count);
extern void hv_release_traps(hv_trap_type_t trap_type);
extern kern_return_t hv_set_callbacks(hv_callbacks_t callbacks);
extern void hv_release_callbacks(void);
extern void hv_suspend(void);
extern void hv_resume(void);
extern kern_return_t hv_task_trap(uint64_t index, uint64_t arg);
extern kern_return_t hv_thread_trap(uint64_t index, uint64_t arg);
extern boolean_t hv_ast_pending(void);
extern void hv_trace_guest_enter(uint32_t vcpu_id, uint64_t *vcpu_regs);
extern void hv_trace_guest_exit(uint32_t vcpu_id, uint64_t *vcpu_regs,
uint32_t reason);
extern void hv_trace_guest_error(uint32_t vcpu_id, uint64_t *vcpu_regs,
uint32_t failure, uint32_t error);
#if defined(__cplusplus)
}
#endif
#endif /* _KERN_HV_SUPPORT_KEXT_H_ */