1 /* 2 * Copyright (c) 2020 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 #pragma once 30 31 #include <mach/port.h> 32 #include <stdint.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 enum { 39 kHV_ION_NONE = (0u << 0), 40 kHV_ION_ANY_VALUE = (1u << 1), 41 kHV_ION_ANY_SIZE = (1u << 2), 42 kHV_ION_EXIT_FULL = (1u << 3), 43 }; 44 45 #ifdef KERNEL_PRIVATE 46 47 typedef struct { 48 mach_msg_header_t header; 49 uint64_t addr; 50 uint64_t size; 51 uint64_t value; 52 } hv_ion_message_t; 53 54 typedef struct { 55 uint64_t addr; 56 uint64_t size; 57 uint64_t value; 58 uint32_t port_name; 59 uint32_t flags; 60 } hv_ion_t; 61 62 typedef struct hv_ion_grp hv_ion_grp_t; 63 64 extern kern_return_t hv_io_notifier_grp_add(hv_ion_grp_t *grp, const hv_ion_t *); 65 extern kern_return_t hv_io_notifier_grp_remove(hv_ion_grp_t *, const hv_ion_t *); 66 extern kern_return_t hv_io_notifier_grp_fire(hv_ion_grp_t *, uint64_t, size_t, uint64_t); 67 extern kern_return_t hv_io_notifier_grp_alloc(hv_ion_grp_t **); 68 extern void hv_io_notifier_grp_free(hv_ion_grp_t **); 69 70 #endif /* KERNEL_PRIVATE */ 71 72 #ifdef __cplusplus 73 } 74 #endif 75