projects / apple / xnu.git / blame
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|---|---|---|
| fe8ab488 A |
1 | /* |
| 2 | * Copyright (c) 2013 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 28 | ||
| 29 | #ifndef _KERN_HV_SUPPORT_H_ | |
| 30 | #define _KERN_HV_SUPPORT_H_ | |
| 31 | ||
| 32 | #if defined(__cplusplus) | |
| 33 | extern "C" { | |
| 34 | #endif | |
| 35 | ||
| 36 | #include <stdint.h> | |
| 37 | #include <mach/kern_return.h> | |
| 38 | ||
| 39 | typedef enum { | |
| 40 | HV_DEBUG_STATE | |
| 41 | } hv_volatile_state_t; | |
| 42 | ||
| 43 | typedef enum { | |
| 44 | HV_TASK_TRAP = 0, | |
| 45 | HV_THREAD_TRAP = 1 | |
| 46 | } hv_trap_type_t; | |
| 47 | ||
| 48 | typedef kern_return_t (*hv_trap_t) (void *thread_target, uint64_t arg); | |
| 49 | typedef void (*hv_callback_0_t)(void *target); | |
| 50 | typedef void (*hv_callback_1_t)(void *target, int argument); | |
| 51 | ||
| 52 | typedef struct { | |
| 53 | const hv_trap_t *traps; | |
| 54 | unsigned trap_count; | |
| 55 | } hv_trap_table_t; | |
| 56 | ||
| 57 | typedef struct { | |
| 58 | hv_callback_0_t dispatch; | |
| 59 | hv_callback_0_t preempt; | |
| 60 | hv_callback_0_t thread_destroy; | |
| 61 | hv_callback_0_t task_destroy; | |
| 62 | hv_callback_1_t volatile_state; | |
| 63 | hv_callback_0_t memory_pressure; | |
| 64 | } hv_callbacks_t; | |
| 65 | ||
| 66 | extern hv_callbacks_t hv_callbacks; | |
| 67 | extern int hv_support_available; | |
| 68 | ||
| 69 | extern void hv_support_init(void); | |
| 70 | extern int hv_get_support(void); | |
| 71 | extern void hv_set_task_target(void *target); | |
| 72 | extern void hv_set_thread_target(void *target); | |
| 73 | extern void *hv_get_task_target(void); | |
| 74 | extern void *hv_get_thread_target(void); | |
| 75 | extern int hv_get_volatile_state(hv_volatile_state_t state); | |
| 76 | extern kern_return_t hv_set_mp_notify(void); | |
| 77 | extern void hv_release_mp_notify(void); | |
| 78 | extern kern_return_t hv_set_traps(hv_trap_type_t trap_type, | |
| 79 | const hv_trap_t *traps, unsigned trap_count); | |
| 80 | extern void hv_release_traps(hv_trap_type_t trap_type); | |
| 81 | extern kern_return_t hv_set_callbacks(hv_callbacks_t callbacks); | |
| 82 | extern void hv_release_callbacks(void) ; | |
| 83 | extern kern_return_t hv_task_trap(uint64_t index, uint64_t arg); | |
| 84 | extern kern_return_t hv_thread_trap(uint64_t index, uint64_t arg); | |
| 85 | ||
| 86 | #if defined(__cplusplus) | |
| 87 | } | |
| 88 | #endif | |
| 89 | ||
| 90 | #endif /* _KERN_HV_SUPPORT_H_ */ |