X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5ba3f43ea354af8ad55bea84372a2bc834d8757c..ea3f04195ba4a5034c9c8e9b726d4f7ce96f1832:/osfmk/vm/vm_kern.h?ds=sidebyside diff --git a/osfmk/vm/vm_kern.h b/osfmk/vm/vm_kern.h index 8cab89ce4..7a0466951 100644 --- a/osfmk/vm/vm_kern.h +++ b/osfmk/vm/vm_kern.h @@ -2,7 +2,7 @@ * Copyright (c) 2000-2006 Apple Computer, 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 @@ -11,10 +11,10 @@ * 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, @@ -22,34 +22,34 @@ * 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@ */ -/* +/* * Mach Operating System * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University * All Rights Reserved. - * + * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. - * + * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * + * * Carnegie Mellon requests users of this software to return to - * + * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 - * + * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ @@ -63,132 +63,137 @@ * Kernel memory management definitions. */ -#ifndef _VM_VM_KERN_H_ +#ifndef _VM_VM_KERN_H_ #define _VM_VM_KERN_H_ +#ifdef __cplusplus +extern "C" { +#endif + #include #include #include -#ifdef KERNEL_PRIVATE +#ifdef KERNEL_PRIVATE #ifdef XNU_KERNEL_PRIVATE #include -extern kern_return_t kernel_memory_allocate( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_offset_t mask, - int flags, - vm_tag_t tag); +extern kern_return_t kernel_memory_allocate( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_offset_t mask, + int flags, + vm_tag_t tag); /* flags for kernel_memory_allocate */ -#define KMA_HERE 0x01 -#define KMA_NOPAGEWAIT 0x02 -#define KMA_KOBJECT 0x04 -#define KMA_LOMEM 0x08 -#define KMA_GUARD_FIRST 0x10 -#define KMA_GUARD_LAST 0x20 -#define KMA_PERMANENT 0x40 -#define KMA_NOENCRYPT 0x80 -#define KMA_KSTACK 0x100 -#define KMA_VAONLY 0x200 -#define KMA_COMPRESSOR 0x400 /* Pages belonging to the compressor are not on the paging queues, nor are they counted as wired. */ -#define KMA_ATOMIC 0x800 -#define KMA_ZERO 0x1000 +#define KMA_HERE 0x01 +#define KMA_NOPAGEWAIT 0x02 +#define KMA_KOBJECT 0x04 +#define KMA_LOMEM 0x08 +#define KMA_GUARD_FIRST 0x10 +#define KMA_GUARD_LAST 0x20 +#define KMA_PERMANENT 0x40 +#define KMA_NOENCRYPT 0x80 +#define KMA_KSTACK 0x100 +#define KMA_VAONLY 0x200 +#define KMA_COMPRESSOR 0x400 /* Pages belonging to the compressor are not on the paging queues, nor are they counted as wired. */ +#define KMA_ATOMIC 0x800 +#define KMA_ZERO 0x1000 +#define KMA_PAGEABLE 0x2000 extern kern_return_t kmem_alloc( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_tag_t tag); + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_tag_t tag) __XNU_INTERNAL(kmem_alloc); extern kern_return_t kmem_alloc_contig( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_offset_t mask, - ppnum_t max_pnum, - ppnum_t pnum_mask, - int flags, - vm_tag_t tag); - -extern kern_return_t kmem_alloc_flags( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_tag_t tag, - int flags); - -extern kern_return_t kmem_alloc_pageable( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_tag_t tag); - -extern kern_return_t kmem_alloc_aligned( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_tag_t tag); - -extern kern_return_t kmem_realloc( - vm_map_t map, - vm_offset_t oldaddr, - vm_size_t oldsize, - vm_offset_t *newaddrp, - vm_size_t newsize, - vm_tag_t tag); - -extern void kmem_free( - vm_map_t map, - vm_offset_t addr, - vm_size_t size); - -extern kern_return_t kmem_suballoc( - vm_map_t parent, - vm_offset_t *addr, - vm_size_t size, - boolean_t pageable, - int flags, - vm_map_kernel_flags_t vmk_flags, - vm_tag_t tag, - vm_map_t *new_map); - -extern kern_return_t kmem_alloc_kobject( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size, - vm_tag_t tag); + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_offset_t mask, + ppnum_t max_pnum, + ppnum_t pnum_mask, + int flags, + vm_tag_t tag); + +extern kern_return_t kmem_alloc_flags( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_tag_t tag, + int flags); + +extern kern_return_t kmem_alloc_pageable( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_tag_t tag) __XNU_INTERNAL(kmem_alloc_pageable); + +extern kern_return_t kmem_alloc_aligned( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_tag_t tag); + +extern kern_return_t kmem_realloc( + vm_map_t map, + vm_offset_t oldaddr, + vm_size_t oldsize, + vm_offset_t *newaddrp, + vm_size_t newsize, + vm_tag_t tag); + +extern void kmem_free( + vm_map_t map, + vm_offset_t addr, + vm_size_t size); + +extern kern_return_t kmem_suballoc( + vm_map_t parent, + vm_offset_t *addr, + vm_size_t size, + boolean_t pageable, + int flags, + vm_map_kernel_flags_t vmk_flags, + vm_tag_t tag, + vm_map_t *new_map); + +extern kern_return_t kmem_alloc_kobject( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size, + vm_tag_t tag) __XNU_INTERNAL(kmem_alloc_kobject); extern kern_return_t kernel_memory_populate( - vm_map_t map, - vm_offset_t addr, - vm_size_t size, - int flags, + vm_map_t map, + vm_offset_t addr, + vm_size_t size, + int flags, vm_tag_t tag); extern void kernel_memory_depopulate( - vm_map_t map, - vm_offset_t addr, - vm_size_t size, - int flags); - -extern kern_return_t memory_object_iopl_request( - ipc_port_t port, - memory_object_offset_t offset, - upl_size_t *upl_size, - upl_t *upl_ptr, - upl_page_info_array_t user_page_list, - unsigned int *page_list_count, - upl_control_flags_t *flags, - vm_tag_t tag); + vm_map_t map, + vm_offset_t addr, + vm_size_t size, + int flags); + +extern kern_return_t memory_object_iopl_request( + ipc_port_t port, + memory_object_offset_t offset, + upl_size_t *upl_size, + upl_t *upl_ptr, + upl_page_info_array_t user_page_list, + unsigned int *page_list_count, + upl_control_flags_t *flags, + vm_tag_t tag); struct mach_memory_info; -extern kern_return_t vm_page_diagnose(struct mach_memory_info * info, - unsigned int num_info, uint64_t zones_collectable_bytes); +extern kern_return_t vm_page_diagnose(struct mach_memory_info * info, + unsigned int num_info, uint64_t zones_collectable_bytes); extern uint32_t vm_page_diagnose_estimate(void); @@ -200,52 +205,52 @@ extern kern_return_t vm_kern_allocation_info(uintptr_t addr, vm_size_t * size #endif /* DEBUG || DEVELOPMENT */ -extern vm_tag_t vm_tag_bt(void); +extern vm_tag_t vm_tag_bt(void); -extern vm_tag_t vm_tag_alloc(vm_allocation_site_t * site); +extern vm_tag_t vm_tag_alloc(vm_allocation_site_t * site); -extern void vm_tag_alloc_locked(vm_allocation_site_t * site, vm_allocation_site_t ** releasesiteP); +extern void vm_tag_alloc_locked(vm_allocation_site_t * site, vm_allocation_site_t ** releasesiteP); -extern void vm_tag_update_size(vm_tag_t tag, int64_t size); +extern void vm_tag_update_size(vm_tag_t tag, int64_t size); #if VM_MAX_TAG_ZONES -extern void vm_allocation_zones_init(void); +extern void vm_allocation_zones_init(void); extern void vm_tag_will_update_zone(vm_tag_t tag, uint32_t zidx); -extern void vm_tag_update_zone_size(vm_tag_t tag, uint32_t zidx, int64_t delta, int64_t dwaste); +extern void vm_tag_update_zone_size(vm_tag_t tag, uint32_t zidx, int64_t delta, int64_t dwaste); extern vm_allocation_zone_total_t ** vm_allocation_zone_totals; #endif /* VM_MAX_TAG_ZONES */ -extern vm_tag_t vm_tag_bt_debug(void); +extern vm_tag_t vm_tag_bt_debug(void); extern uint32_t vm_tag_get_kext(vm_tag_t tag, char * name, vm_size_t namelen); -extern boolean_t vm_kernel_map_is_kernel(vm_map_t map); +extern boolean_t vm_kernel_map_is_kernel(vm_map_t map); -extern ppnum_t kernel_pmap_present_mapping(uint64_t vaddr, uint64_t * pvincr, uintptr_t * pvphysaddr); +extern ppnum_t kernel_pmap_present_mapping(uint64_t vaddr, uint64_t * pvincr, uintptr_t * pvphysaddr); #else /* XNU_KERNEL_PRIVATE */ -extern kern_return_t kmem_alloc( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -extern kern_return_t kmem_alloc_pageable( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc_pageable( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -extern kern_return_t kmem_alloc_kobject( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc_kobject( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -extern void kmem_free( - vm_map_t map, - vm_offset_t addr, - vm_size_t size); +extern void kmem_free( + vm_map_t map, + vm_offset_t addr, + vm_size_t size); #endif /* !XNU_KERNEL_PRIVATE */ @@ -258,175 +263,182 @@ struct kern_allocation_name; typedef struct kern_allocation_name * kern_allocation_name_t; #endif /* !XNU_KERNEL_PRIVATE */ -extern kern_allocation_name_t kern_allocation_name_allocate(const char * name, uint32_t suballocs); -extern void kern_allocation_name_release(kern_allocation_name_t allocation); +extern kern_allocation_name_t kern_allocation_name_allocate(const char * name, uint32_t suballocs); +extern void kern_allocation_name_release(kern_allocation_name_t allocation); extern const char * kern_allocation_get_name(kern_allocation_name_t allocation); #ifdef XNU_KERNEL_PRIVATE -extern void kern_allocation_update_size(kern_allocation_name_t allocation, int64_t delta); -extern void kern_allocation_update_subtotal(kern_allocation_name_t allocation, uint32_t subtag, int64_t delta); -extern vm_tag_t kern_allocation_name_get_vm_tag(kern_allocation_name_t allocation); +extern void kern_allocation_update_size(kern_allocation_name_t allocation, int64_t delta); +extern void kern_allocation_update_subtotal(kern_allocation_name_t allocation, uint32_t subtag, int64_t delta); +extern vm_tag_t kern_allocation_name_get_vm_tag(kern_allocation_name_t allocation); #endif /* XNU_KERNEL_PRIVATE */ -#ifdef MACH_KERNEL_PRIVATE - -extern void kmem_init( - vm_offset_t start, - vm_offset_t end); +#ifdef MACH_KERNEL_PRIVATE +extern void kmem_init( + vm_offset_t start, + vm_offset_t end); -extern kern_return_t copyinmap( - vm_map_t map, - vm_map_offset_t fromaddr, - void *todata, - vm_size_t length); +extern kern_return_t copyinmap( + vm_map_t map, + vm_map_offset_t fromaddr, + void *todata, + vm_size_t length); -extern kern_return_t copyoutmap( - vm_map_t map, - void *fromdata, - vm_map_offset_t toaddr, - vm_size_t length); +extern kern_return_t copyoutmap( + vm_map_t map, + void *fromdata, + vm_map_offset_t toaddr, + vm_size_t length); -extern kern_return_t kmem_alloc_external( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc_external( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -extern kern_return_t kmem_alloc_kobject_external( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc_kobject_external( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -extern kern_return_t kmem_alloc_pageable_external( - vm_map_t map, - vm_offset_t *addrp, - vm_size_t size); +extern kern_return_t kmem_alloc_pageable_external( + vm_map_t map, + vm_offset_t *addrp, + vm_size_t size); -#endif /* MACH_KERNEL_PRIVATE */ +#endif /* MACH_KERNEL_PRIVATE */ #ifdef XNU_KERNEL_PRIVATE extern kern_return_t mach_vm_allocate_kernel( - vm_map_t map, - mach_vm_offset_t *addr, - mach_vm_size_t size, - int flags, + vm_map_t map, + mach_vm_offset_t *addr, + mach_vm_size_t size, + int flags, vm_tag_t tag); extern kern_return_t vm_allocate_kernel( - vm_map_t map, - vm_offset_t *addr, - vm_size_t size, + vm_map_t map, + vm_offset_t *addr, + vm_size_t size, int flags, vm_tag_t tag); extern kern_return_t mach_vm_map_kernel( - vm_map_t target_map, - mach_vm_offset_t *address, - mach_vm_size_t initial_size, - mach_vm_offset_t mask, - int flags, - vm_tag_t tag, - ipc_port_t port, - vm_object_offset_t offset, - boolean_t copy, - vm_prot_t cur_protection, - vm_prot_t max_protection, - vm_inherit_t inheritance); + vm_map_t target_map, + mach_vm_offset_t *address, + mach_vm_size_t initial_size, + mach_vm_offset_t mask, + int flags, + vm_map_kernel_flags_t vmk_flags, + vm_tag_t tag, + ipc_port_t port, + vm_object_offset_t offset, + boolean_t copy, + vm_prot_t cur_protection, + vm_prot_t max_protection, + vm_inherit_t inheritance); extern kern_return_t vm_map_kernel( - vm_map_t target_map, - vm_offset_t *address, - vm_size_t size, - vm_offset_t mask, - int flags, - vm_tag_t tag, - ipc_port_t port, - vm_offset_t offset, - boolean_t copy, - vm_prot_t cur_protection, - vm_prot_t max_protection, - vm_inherit_t inheritance); + vm_map_t target_map, + vm_offset_t *address, + vm_size_t size, + vm_offset_t mask, + int flags, + vm_map_kernel_flags_t vmk_flags, + vm_tag_t tag, + ipc_port_t port, + vm_offset_t offset, + boolean_t copy, + vm_prot_t cur_protection, + vm_prot_t max_protection, + vm_inherit_t inheritance); extern kern_return_t mach_vm_remap_kernel( - vm_map_t target_map, - mach_vm_offset_t *address, - mach_vm_size_t size, - mach_vm_offset_t mask, - int flags, + vm_map_t target_map, + mach_vm_offset_t *address, + mach_vm_size_t size, + mach_vm_offset_t mask, + int flags, vm_tag_t tag, - vm_map_t src_map, - mach_vm_offset_t memory_address, - boolean_t copy, - vm_prot_t *cur_protection, - vm_prot_t *max_protection, - vm_inherit_t inheritance); + vm_map_t src_map, + mach_vm_offset_t memory_address, + boolean_t copy, + vm_prot_t *cur_protection, + vm_prot_t *max_protection, + vm_inherit_t inheritance); extern kern_return_t vm_remap_kernel( - vm_map_t target_map, - vm_offset_t *address, - vm_size_t size, - vm_offset_t mask, - int flags, + vm_map_t target_map, + vm_offset_t *address, + vm_size_t size, + vm_offset_t mask, + int flags, vm_tag_t tag, - vm_map_t src_map, - vm_offset_t memory_address, - boolean_t copy, - vm_prot_t *cur_protection, - vm_prot_t *max_protection, - vm_inherit_t inheritance); + vm_map_t src_map, + vm_offset_t memory_address, + boolean_t copy, + vm_prot_t *cur_protection, + vm_prot_t *max_protection, + vm_inherit_t inheritance); extern kern_return_t vm_map_64_kernel( - vm_map_t target_map, - vm_offset_t *address, - vm_size_t size, - vm_offset_t mask, - int flags, - vm_tag_t tag, - ipc_port_t port, - vm_object_offset_t offset, - boolean_t copy, - vm_prot_t cur_protection, - vm_prot_t max_protection, - vm_inherit_t inheritance); + vm_map_t target_map, + vm_offset_t *address, + vm_size_t size, + vm_offset_t mask, + int flags, + vm_map_kernel_flags_t vmk_flags, + vm_tag_t tag, + ipc_port_t port, + vm_object_offset_t offset, + boolean_t copy, + vm_prot_t cur_protection, + vm_prot_t max_protection, + vm_inherit_t inheritance); extern kern_return_t mach_vm_wire_kernel( - host_priv_t host_priv, - vm_map_t map, - mach_vm_offset_t start, - mach_vm_size_t size, - vm_prot_t access, - vm_tag_t tag); + host_priv_t host_priv, + vm_map_t map, + mach_vm_offset_t start, + mach_vm_size_t size, + vm_prot_t access, + vm_tag_t tag); extern kern_return_t vm_map_wire_kernel( - vm_map_t map, - vm_map_offset_t start, - vm_map_offset_t end, - vm_prot_t caller_prot, - vm_tag_t tag, - boolean_t user_wire); + vm_map_t map, + vm_map_offset_t start, + vm_map_offset_t end, + vm_prot_t caller_prot, + vm_tag_t tag, + boolean_t user_wire); extern kern_return_t vm_map_wire_and_extract_kernel( - vm_map_t map, - vm_map_offset_t start, - vm_prot_t caller_prot, - vm_tag_t tag, - boolean_t user_wire, - ppnum_t *physpage_p); + vm_map_t map, + vm_map_offset_t start, + vm_prot_t caller_prot, + vm_tag_t tag, + boolean_t user_wire, + ppnum_t *physpage_p); -#endif /* XNU_KERNEL_PRIVATE */ +#endif /* XNU_KERNEL_PRIVATE */ -extern vm_map_t kernel_map; -extern vm_map_t kernel_pageable_map; +extern vm_map_t kernel_map; +extern vm_map_t kernel_pageable_map; extern vm_map_t ipc_kernel_map; -#endif /* KERNEL_PRIVATE */ +#endif /* KERNEL_PRIVATE */ #ifdef KERNEL __BEGIN_DECLS +#if MACH_KERNEL_PRIVATE +extern vm_offset_t vm_kernel_addrhash(vm_offset_t addr) +__XNU_INTERNAL(vm_kernel_addrhash); +#else extern vm_offset_t vm_kernel_addrhash(vm_offset_t addr); +#endif __END_DECLS extern void vm_kernel_addrhide( @@ -435,24 +447,29 @@ extern void vm_kernel_addrhide( extern vm_offset_t vm_kernel_addrperm_ext; -extern void vm_kernel_addrperm_external( - vm_offset_t addr, - vm_offset_t *perm_addr); +extern void vm_kernel_addrperm_external( + vm_offset_t addr, + vm_offset_t *perm_addr); -extern void vm_kernel_unslide_or_perm_external( - vm_offset_t addr, - vm_offset_t *up_addr); +extern void vm_kernel_unslide_or_perm_external( + vm_offset_t addr, + vm_offset_t *up_addr); #if MACH_KERNEL_PRIVATE extern uint64_t vm_kernel_addrhash_salt; extern uint64_t vm_kernel_addrhash_salt_ext; extern void vm_kernel_addrhash_external( - vm_offset_t addr, - vm_offset_t *perm_addr); + vm_offset_t addr, + vm_offset_t *perm_addr); #endif /* MACH_KERNEL_PRIVATE */ extern void vm_init_before_launchd(void); #endif /* KERNEL */ -#endif /* _VM_VM_KERN_H_ */ + +#ifdef __cplusplus +} +#endif + +#endif /* _VM_VM_KERN_H_ */