/* * Copyright (c) 2000-2018 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@ */ /* * @OSF_COPYRIGHT@ * */ #ifndef _MACH_VM_TYPES_H_ #define _MACH_VM_TYPES_H_ #include <mach/port.h> #include <mach/machine/vm_types.h> #include <stdint.h> typedef vm_offset_t pointer_t; typedef vm_offset_t vm_address_t; /* * We use addr64_t for 64-bit addresses that are used on both * 32 and 64-bit machines. On PPC, they are passed and returned as * two adjacent 32-bit GPRs. We use addr64_t in places where * common code must be useable both on 32 and 64-bit machines. */ typedef uint64_t addr64_t; /* Basic effective address */ /* * We use reg64_t for addresses that are 32 bits on a 32-bit * machine, and 64 bits on a 64-bit machine, but are always * passed and returned in a single GPR on PPC. This type * cannot be used in generic 32-bit c, since on a 64-bit * machine the upper half of the register will be ignored * by the c compiler in 32-bit mode. In c, we can only use the * type in prototypes of functions that are written in and called * from assembly language. This type is basically a comment. */ typedef uint32_t reg64_t; /* * To minimize the use of 64-bit fields, we keep some physical * addresses (that are page aligned) as 32-bit page numbers. * This limits the physical address space to 16TB of RAM. */ typedef uint32_t ppnum_t; /* Physical page number */ #define PPNUM_MAX UINT32_MAX #ifdef KERNEL_PRIVATE #include <sys/cdefs.h> #ifndef MACH_KERNEL_PRIVATE /* * Use specifically typed null structures for these in * other parts of the kernel to enable compiler warnings * about type mismatches, etc... Otherwise, these would * be void*. */ __BEGIN_DECLS struct pmap; struct _vm_map; struct vm_object; __END_DECLS #endif /* MACH_KERNEL_PRIVATE */ typedef struct pmap *pmap_t; typedef struct _vm_map *vm_map_t; typedef struct vm_object *vm_object_t; typedef struct vm_object_fault_info *vm_object_fault_info_t; #define PMAP_NULL ((pmap_t) NULL) #define VM_OBJECT_NULL ((vm_object_t) NULL) #else /* KERNEL_PRIVATE */ typedef mach_port_t vm_map_t; #endif /* KERNEL_PRIVATE */ #ifdef KERNEL #define VM_MAP_NULL ((vm_map_t) NULL) #else #define VM_MAP_NULL ((vm_map_t) 0) #endif /* * Evolving definitions, likely to change. */ typedef uint64_t vm_object_offset_t; typedef uint64_t vm_object_size_t; #ifdef XNU_KERNEL_PRIVATE #define VM_TAG_ACTIVE_UPDATE 1 typedef uint16_t vm_tag_t; #define VM_TAG_NAME_LEN_MAX 0x7F #define VM_TAG_NAME_LEN_SHIFT 0 #define VM_TAG_BT 0x0080 #define VM_TAG_UNLOAD 0x0100 #define VM_TAG_KMOD 0x0200 #if DEBUG || DEVELOPMENT #define VM_MAX_TAG_ZONES 28 #else #define VM_MAX_TAG_ZONES 0 #endif #if VM_MAX_TAG_ZONES // must be multiple of 64 #define VM_MAX_TAG_VALUE 1536 #else #define VM_MAX_TAG_VALUE 256 #endif #define ARRAY_COUNT(a) (sizeof((a)) / sizeof((a)[0])) struct vm_allocation_total { vm_tag_t tag; uint64_t total; }; struct vm_allocation_zone_total { uint64_t total; uint64_t peak; uint32_t waste; uint32_t wastediv; }; typedef struct vm_allocation_zone_total vm_allocation_zone_total_t; struct vm_allocation_site { uint64_t total; #if DEBUG || DEVELOPMENT uint64_t peak; #endif /* DEBUG || DEVELOPMENT */ uint64_t mapped; int16_t refcount; vm_tag_t tag; uint16_t flags; uint16_t subtotalscount; struct vm_allocation_total subtotals[0]; /* char name[0]; -- this is placed after subtotals, see KA_NAME() */ }; typedef struct vm_allocation_site vm_allocation_site_t; #define VM_ALLOC_SITE_STATIC(iflags, itag) \ static vm_allocation_site_t site __attribute__((section("__DATA, __data"))) \ = { .refcount = 2, .tag = (itag), .flags = (iflags) }; extern int vmrtf_extract(uint64_t, boolean_t, int, void *, int *); extern unsigned int vmrtfaultinfo_bufsz(void); #endif /* XNU_KERNEL_PRIVATE */ #ifdef KERNEL_PRIVATE #ifndef MACH_KERNEL_PRIVATE __BEGIN_DECLS struct upl; struct vm_map_copy; struct vm_named_entry; __END_DECLS #endif /* MACH_KERNEL_PRIVATE */ typedef struct upl *upl_t; typedef struct vm_map_copy *vm_map_copy_t; typedef struct vm_named_entry *vm_named_entry_t; #define VM_MAP_COPY_NULL ((vm_map_copy_t) NULL) #else /* KERNEL_PRIVATE */ typedef mach_port_t upl_t; typedef mach_port_t vm_named_entry_t; #endif /* KERNEL_PRIVATE */ #ifdef KERNEL #define UPL_NULL ((upl_t) NULL) #define VM_NAMED_ENTRY_NULL ((vm_named_entry_t) NULL) #else #define UPL_NULL ((upl_t) 0) #define VM_NAMED_ENTRY_NULL ((vm_named_entry_t) 0) #endif #ifdef PRIVATE typedef struct { uint64_t rtfabstime; // mach_continuous_time at start of fault uint64_t rtfduration; // fault service duration uint64_t rtfaddr; // fault address uint64_t rtfpc; // userspace program counter of thread incurring the fault uint64_t rtftid; // thread ID uint64_t rtfupid; // process identifier uint64_t rtftype; // fault type } vm_rtfault_record_t; #endif #endif /* _MACH_VM_TYPES_H_ */