/* * Copyright (c) 2004-2007 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@ */ #ifdef XNU_KERNEL_PRIVATE #ifndef _VM_VM_PROTOS_H_ #define _VM_VM_PROTOS_H_ #include #include /* * This file contains various type definitions and routine prototypes * that are needed to avoid compilation warnings for VM code (in osfmk, * default_pager and bsd). * Most of these should eventually go into more appropriate header files. * * Include it after all other header files since it doesn't include any * type definitions and it works around some conflicts with other header * files. */ /* * iokit */ extern kern_return_t device_data_action( int device_handle, ipc_port_t device_pager, vm_prot_t protection, vm_object_offset_t offset, vm_size_t size); extern kern_return_t device_close( int device_handle); /* * default_pager */ extern int start_def_pager( char *bs_device); extern int default_pager_init_flag; /* * osfmk */ #ifndef _KERN_IPC_TT_H_ /* XXX FBDP */ /* these should be exported cleanly from OSFMK since BSD needs them */ extern ipc_port_t convert_task_to_port( task_t task); extern ipc_port_t convert_thread_to_port( thread_t thread); extern ipc_port_t convert_task_name_to_port( task_name_t task_name); #endif /* _KERN_IPC_TT_H_ */ #ifndef _IPC_IPC_PORT_H_ extern mach_port_name_t ipc_port_copyout_send( ipc_port_t sright, ipc_space_t space); extern task_t port_name_to_task( mach_port_name_t name); #endif /* _IPC_IPC_PORT_H_ */ extern ipc_space_t get_task_ipcspace( task_t t); /* Some loose-ends VM stuff */ extern vm_map_t kalloc_map; extern vm_size_t msg_ool_size_small; extern vm_map_t zone_map; extern void consider_machine_adjust(void); extern pmap_t get_map_pmap(vm_map_t); extern vm_map_offset_t get_map_min(vm_map_t); extern vm_map_offset_t get_map_max(vm_map_t); extern vm_map_size_t get_vmmap_size(vm_map_t); extern int get_vmmap_entries(vm_map_t); extern boolean_t coredumpok(vm_map_t map, vm_offset_t va); /* * VM routines that used to be published to * user space, and are now restricted to the kernel. * * They should eventually go away entirely - * to be replaced with standard vm_map() and * vm_deallocate() calls. */ extern kern_return_t vm_upl_map ( vm_map_t target_task, upl_t upl, vm_address_t *address ); extern kern_return_t vm_upl_unmap ( vm_map_t target_task, upl_t upl ); extern kern_return_t vm_region_object_create ( vm_map_t target_task, vm_size_t size, ipc_port_t *object_handle ); extern mach_vm_offset_t mach_get_vm_start(vm_map_t); extern mach_vm_offset_t mach_get_vm_end(vm_map_t); /* * Legacy routines to get the start and end for a vm_map_t. They * return them in the vm_offset_t format. So, they should only be * called on maps that are the same size as the kernel map for * accurate results. */ extern vm_offset_t get_vm_start(vm_map_t); extern vm_offset_t get_vm_end(vm_map_t); #if CONFIG_CODE_DECRYPTION struct pager_crypt_info; extern kern_return_t vm_map_apple_protected( vm_map_t map, vm_map_offset_t start, vm_map_offset_t end, struct pager_crypt_info *crypt_info); extern void apple_protect_pager_bootstrap(void); extern memory_object_t apple_protect_pager_setup(vm_object_t backing_object, struct pager_crypt_info *crypt_info); #endif /* CONFIG_CODE_DECRYPTION */ /* * bsd */ struct vnode; extern void vnode_pager_shutdown(void); extern void *upl_get_internal_page_list( upl_t upl); #ifndef _VNODE_PAGER_ typedef int pager_return_t; extern pager_return_t vnode_pagein( struct vnode *, upl_t, vm_offset_t, vm_object_offset_t, vm_size_t, int, int *); extern pager_return_t vnode_pageout( struct vnode *, upl_t, vm_offset_t, vm_object_offset_t, vm_size_t, int, int *); extern memory_object_t vnode_pager_setup( struct vnode *, memory_object_t); extern vm_object_offset_t vnode_pager_get_filesize( struct vnode *); extern kern_return_t vnode_pager_get_pathname( struct vnode *vp, char *pathname, vm_size_t *length_p); extern kern_return_t vnode_pager_get_filename( struct vnode *vp, const char **filename); extern kern_return_t vnode_pager_get_cs_blobs( struct vnode *vp, void **blobs); #endif /* _VNODE_PAGER_ */ extern void vnode_pager_bootstrap(void) __attribute__((section("__TEXT, initcode"))); extern kern_return_t vnode_pager_data_unlock( memory_object_t mem_obj, memory_object_offset_t offset, vm_size_t size, vm_prot_t desired_access); extern kern_return_t vnode_pager_init( memory_object_t, memory_object_control_t, vm_size_t); extern kern_return_t vnode_pager_get_object_size( memory_object_t, memory_object_offset_t *); extern kern_return_t vnode_pager_get_object_pathname( memory_object_t mem_obj, char *pathname, vm_size_t *length_p); extern kern_return_t vnode_pager_get_object_filename( memory_object_t mem_obj, const char **filename); extern kern_return_t vnode_pager_get_object_cs_blobs( memory_object_t mem_obj, void **blobs); extern kern_return_t vnode_pager_data_request( memory_object_t, memory_object_offset_t, vm_size_t, vm_prot_t, memory_object_fault_info_t); extern kern_return_t vnode_pager_data_return( memory_object_t, memory_object_offset_t, vm_size_t, memory_object_offset_t *, int *, boolean_t, boolean_t, int); extern kern_return_t vnode_pager_data_initialize( memory_object_t, memory_object_offset_t, vm_size_t); extern void vnode_pager_reference( memory_object_t mem_obj); extern kern_return_t vnode_pager_synchronize( memory_object_t mem_obj, memory_object_offset_t offset, vm_size_t length, vm_sync_t sync_flags); extern kern_return_t vnode_pager_map( memory_object_t mem_obj, vm_prot_t prot); extern kern_return_t vnode_pager_last_unmap( memory_object_t mem_obj); extern void vnode_pager_deallocate( memory_object_t); extern kern_return_t vnode_pager_terminate( memory_object_t); extern void vnode_pager_vrele( struct vnode *vp); extern void vnode_pager_release_from_cache( int *); extern int ubc_map( struct vnode *vp, int flags); extern void ubc_unmap( struct vnode *vp); extern void dp_memory_object_reference(memory_object_t); extern void dp_memory_object_deallocate(memory_object_t); #ifndef _memory_object_server_ extern kern_return_t dp_memory_object_init(memory_object_t, memory_object_control_t, vm_size_t); extern kern_return_t dp_memory_object_terminate(memory_object_t); extern kern_return_t dp_memory_object_data_request(memory_object_t, memory_object_offset_t, vm_size_t, vm_prot_t, memory_object_fault_info_t); extern kern_return_t dp_memory_object_data_return(memory_object_t, memory_object_offset_t, vm_size_t, vm_size_t *, int *, boolean_t, boolean_t, int); extern kern_return_t dp_memory_object_data_initialize(memory_object_t, memory_object_offset_t, vm_size_t); extern kern_return_t dp_memory_object_data_unlock(memory_object_t, memory_object_offset_t, vm_size_t, vm_prot_t); extern kern_return_t dp_memory_object_synchronize(memory_object_t, memory_object_offset_t, vm_size_t, vm_sync_t); extern kern_return_t dp_memory_object_map(memory_object_t, vm_prot_t); extern kern_return_t dp_memory_object_last_unmap(memory_object_t); #endif /* _memory_object_server_ */ #ifndef _memory_object_default_server_ extern kern_return_t default_pager_memory_object_create( memory_object_default_t, vm_size_t, memory_object_t *); #endif /* _memory_object_default_server_ */ extern void device_pager_reference(memory_object_t); extern void device_pager_deallocate(memory_object_t); extern kern_return_t device_pager_init(memory_object_t, memory_object_control_t, vm_size_t); extern kern_return_t device_pager_terminate(memory_object_t); extern kern_return_t device_pager_data_request(memory_object_t, memory_object_offset_t, vm_size_t, vm_prot_t, memory_object_fault_info_t); extern kern_return_t device_pager_data_return(memory_object_t, memory_object_offset_t, vm_size_t, memory_object_offset_t *, int *, boolean_t, boolean_t, int); extern kern_return_t device_pager_data_initialize(memory_object_t, memory_object_offset_t, vm_size_t); extern kern_return_t device_pager_data_unlock(memory_object_t, memory_object_offset_t, vm_size_t, vm_prot_t); extern kern_return_t device_pager_synchronize(memory_object_t, memory_object_offset_t, vm_size_t, vm_sync_t); extern kern_return_t device_pager_map(memory_object_t, vm_prot_t); extern kern_return_t device_pager_last_unmap(memory_object_t); extern kern_return_t device_pager_populate_object( memory_object_t device, memory_object_offset_t offset, ppnum_t page_num, vm_size_t size); extern memory_object_t device_pager_setup( memory_object_t, int, vm_size_t, int); extern void device_pager_bootstrap(void) __attribute__((section("__TEXT, initcode"))); extern kern_return_t memory_object_create_named( memory_object_t pager, memory_object_offset_t size, memory_object_control_t *control); extern int macx_swapinfo( memory_object_size_t *total_p, memory_object_size_t *avail_p, vm_size_t *pagesize_p, boolean_t *encrypted_p); extern void log_stack_execution_failure(addr64_t vaddr, vm_prot_t prot); extern int cs_invalid_page(addr64_t vaddr); extern boolean_t cs_validate_page(void *blobs, memory_object_offset_t offset, const void *data, boolean_t *tainted); extern kern_return_t mach_memory_entry_purgable_control( ipc_port_t entry_port, vm_purgable_t control, int *state); extern kern_return_t mach_memory_entry_page_op( ipc_port_t entry_port, vm_object_offset_t offset, int ops, ppnum_t *phys_entry, int *flags); extern kern_return_t mach_memory_entry_range_op( ipc_port_t entry_port, vm_object_offset_t offset_beg, vm_object_offset_t offset_end, int ops, int *range); extern void mach_memory_entry_port_release(ipc_port_t port); extern void mach_destroy_memory_entry(ipc_port_t port); extern kern_return_t mach_memory_entry_allocate( struct vm_named_entry **user_entry_p, ipc_port_t *user_handle_p); extern void vm_paging_map_init(void); #endif /* _VM_VM_PROTOS_H_ */ #endif /* XNU_KERNEL_PRIVATE */