X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/3e170ce000f1506b7b5d2c5c7faec85ceabb573d..ea3f04195ba4a5034c9c8e9b726d4f7ce96f1832:/osfmk/vm/vm_protos.h?ds=sidebyside diff --git a/osfmk/vm/vm_protos.h b/osfmk/vm/vm_protos.h index 71d58704b..66dbe7ce7 100644 --- a/osfmk/vm/vm_protos.h +++ b/osfmk/vm/vm_protos.h @@ -2,7 +2,7 @@ * 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 @@ -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, @@ -22,11 +22,11 @@ * 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 +#ifdef XNU_KERNEL_PRIVATE #ifndef _VM_VM_PROTOS_H_ #define _VM_VM_PROTOS_H_ @@ -34,6 +34,10 @@ #include #include +#ifdef __cplusplus +extern "C" { +#endif + /* * This file contains various type definitions and routine prototypes * that are needed to avoid compilation warnings for VM code (in osfmk, @@ -49,55 +53,79 @@ * iokit */ extern kern_return_t device_data_action( - uintptr_t device_handle, + uintptr_t device_handle, ipc_port_t device_pager, - vm_prot_t protection, - vm_object_offset_t offset, + vm_prot_t protection, + vm_object_offset_t offset, vm_size_t size); extern kern_return_t device_close( uintptr_t device_handle); -/* - * default_pager - */ -extern int start_def_pager( - char *bs_device); -extern int default_pager_init_flag; +extern boolean_t vm_swap_files_pinned(void); /* * osfmk */ #ifndef _IPC_IPC_PORT_H_ extern mach_port_name_t ipc_port_copyout_send( - ipc_port_t sright, - ipc_space_t space); + ipc_port_t sright, + ipc_space_t space); extern task_t port_name_to_task( mach_port_name_t name); +extern task_t port_name_to_task_inspect( + mach_port_name_t name); +extern void ipc_port_release_send( + ipc_port_t port); #endif /* _IPC_IPC_PORT_H_ */ extern ipc_space_t get_task_ipcspace( task_t t); -#if CONFIG_JETSAM -extern int max_task_footprint_mb; /* Per-task limit on physical memory consumption in megabytes */ -#endif // CONFIG_JETSAM +#if CONFIG_MEMORYSTATUS +extern int max_task_footprint_mb; /* Per-task limit on physical memory consumption in megabytes */ +#endif /* CONFIG_MEMORYSTATUS */ /* 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 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 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); +#if CONFIG_COREDUMP extern int get_vmmap_entries(vm_map_t); +#endif +extern int get_map_nentries(vm_map_t); extern vm_map_offset_t vm_map_page_mask(vm_map_t); +extern kern_return_t vm_map_purgable_control( + vm_map_t map, + vm_map_offset_t address, + vm_purgable_t control, + int *state); + +#if MACH_ASSERT +extern void vm_map_pmap_check_ledgers( + pmap_t pmap, + ledger_t ledger, + int pid, + char *procname); +#endif /* MACH_ASSERT */ + +extern kern_return_t +vnode_pager_get_object_vnode( + memory_object_t mem_obj, + uintptr_t * vnodeaddr, + uint32_t * vid); + +#if CONFIG_COREDUMP extern boolean_t coredumpok(vm_map_t map, vm_offset_t va); +#endif /* * VM routines that used to be published to @@ -132,57 +160,100 @@ extern mach_vm_offset_t mach_get_vm_start(vm_map_t); extern mach_vm_offset_t mach_get_vm_end(vm_map_t); #if CONFIG_CODE_DECRYPTION -#define VM_MAP_DEBUG_APPLE_PROTECT MACH_ASSERT +#define VM_MAP_DEBUG_APPLE_PROTECT MACH_ASSERT +#if VM_MAP_DEBUG_APPLE_PROTECT +extern int vm_map_debug_apple_protect; +#endif /* VM_MAP_DEBUG_APPLE_PROTECT */ 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, - vm_object_offset_t crypto_backing_offset, + vm_map_t map, + vm_map_offset_t start, + vm_map_offset_t end, + vm_object_offset_t crypto_backing_offset, 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, - vm_object_offset_t backing_offset, - vm_object_offset_t crypto_backing_offset, + vm_object_t backing_object, + vm_object_offset_t backing_offset, + vm_object_offset_t crypto_backing_offset, struct pager_crypt_info *crypt_info, - vm_object_offset_t crypto_start, - vm_object_offset_t crypto_end); -#endif /* CONFIG_CODE_DECRYPTION */ + vm_object_offset_t crypto_start, + vm_object_offset_t crypto_end); +#endif /* CONFIG_CODE_DECRYPTION */ + +struct vm_shared_region_slide_info; +extern kern_return_t vm_map_shared_region( + vm_map_t map, + vm_map_offset_t start, + vm_map_offset_t end, + vm_object_offset_t backing_offset, + struct vm_shared_region_slide_info *slide_info); +extern void shared_region_pager_bootstrap(void); +extern memory_object_t shared_region_pager_setup( + vm_object_t backing_object, + vm_object_offset_t backing_offset, + struct vm_shared_region_slide_info *slide_info); struct vnode; extern void swapfile_pager_bootstrap(void); extern memory_object_t swapfile_pager_setup(struct vnode *vp); extern memory_object_control_t swapfile_pager_control(memory_object_t mem_obj); -#if __arm64__ || ((__ARM_ARCH_7K__ >= 2) && defined(PLATFORM_WatchOS)) -#define SIXTEENK_PAGE_SIZE 0x4000 -#define SIXTEENK_PAGE_MASK 0x3FFF -#define SIXTEENK_PAGE_SHIFT 14 -#endif /* __arm64__ || ((__ARM_ARCH_7K__ >= 2) && defined(PLATFORM_WatchOS)) */ - +#if __arm64__ || (__ARM_ARCH_7K__ >= 2) +#define SIXTEENK_PAGE_SIZE 0x4000 +#define SIXTEENK_PAGE_MASK 0x3FFF +#define SIXTEENK_PAGE_SHIFT 14 +#endif /* __arm64__ || (__ARM_ARCH_7K__ >= 2) */ + +#if __arm64__ +#define FOURK_PAGE_SIZE 0x1000 +#define FOURK_PAGE_MASK 0xFFF +#define FOURK_PAGE_SHIFT 12 + +extern unsigned int page_shift_user32; + +#define VM_MAP_DEBUG_FOURK MACH_ASSERT +#if VM_MAP_DEBUG_FOURK +extern int vm_map_debug_fourk; +#endif /* VM_MAP_DEBUG_FOURK */ +extern void fourk_pager_bootstrap(void); +extern memory_object_t fourk_pager_create(void); +extern vm_object_t fourk_pager_to_vm_object(memory_object_t mem_obj); +extern kern_return_t fourk_pager_populate( + memory_object_t mem_obj, + boolean_t overwrite, + int index, + vm_object_t new_backing_object, + vm_object_offset_t new_backing_offset, + vm_object_t *old_backing_object, + vm_object_offset_t *old_backing_offset); +#endif /* __arm64__ */ /* * bsd */ struct vnode; -extern void vnode_pager_shutdown(void); extern void *upl_get_internal_page_list( upl_t upl); extern void vnode_setswapmount(struct vnode *); extern int64_t vnode_getswappin_avail(struct vnode *); +extern void vnode_pager_was_dirtied( + struct vnode *, + vm_object_offset_t, + vm_object_offset_t); + typedef int pager_return_t; -extern pager_return_t vnode_pagein( +extern pager_return_t vnode_pagein( struct vnode *, upl_t, upl_offset_t, vm_object_offset_t, upl_size_t, int, int *); -extern pager_return_t vnode_pageout( +extern pager_return_t vnode_pageout( struct vnode *, upl_t, upl_offset_t, vm_object_offset_t, upl_size_t, int, int *); -extern uint32_t vnode_trim (struct vnode *, int64_t offset, unsigned long len); +extern uint32_t vnode_trim(struct vnode *, int64_t offset, unsigned long len); extern memory_object_t vnode_pager_setup( struct vnode *, memory_object_t); extern vm_object_offset_t vnode_pager_get_filesize( @@ -197,47 +268,47 @@ extern uint32_t vnode_pager_return_throttle_io_limit( struct vnode *, uint32_t *); extern kern_return_t vnode_pager_get_name( - struct vnode *vp, - char *pathname, - vm_size_t pathname_len, - char *filename, - vm_size_t filename_len, - boolean_t *truncated_path_p); + struct vnode *vp, + char *pathname, + vm_size_t pathname_len, + char *filename, + vm_size_t filename_len, + boolean_t *truncated_path_p); struct timespec; extern kern_return_t vnode_pager_get_mtime( - struct vnode *vp, - struct timespec *mtime, - struct timespec *cs_mtime); + struct vnode *vp, + struct timespec *mtime, + struct timespec *cs_mtime); extern kern_return_t vnode_pager_get_cs_blobs( - struct vnode *vp, - void **blobs); + struct vnode *vp, + void **blobs); #if CONFIG_IOSCHED void vnode_pager_issue_reprioritize_io( - struct vnode *devvp, - uint64_t blkno, - uint32_t len, - int priority); + struct vnode *devvp, + uint64_t blkno, + uint32_t len, + int priority); #endif -#if CHECK_CS_VALIDATION_BITMAP +#if CHECK_CS_VALIDATION_BITMAP /* used by the vnode_pager_cs_validation_bitmap routine*/ -#define CS_BITMAP_SET 1 -#define CS_BITMAP_CLEAR 2 -#define CS_BITMAP_CHECK 3 +#define CS_BITMAP_SET 1 +#define CS_BITMAP_CLEAR 2 +#define CS_BITMAP_CHECK 3 #endif /* CHECK_CS_VALIDATION_BITMAP */ extern void vnode_pager_bootstrap(void); extern kern_return_t vnode_pager_data_unlock( - memory_object_t mem_obj, - memory_object_offset_t offset, - memory_object_size_t size, - vm_prot_t desired_access); + memory_object_t mem_obj, + memory_object_offset_t offset, + memory_object_size_t size, + vm_prot_t desired_access); extern kern_return_t vnode_pager_init( - memory_object_t, - memory_object_control_t, + memory_object_t, + memory_object_control_t, memory_object_cluster_size_t); extern kern_return_t vnode_pager_get_object_size( memory_object_t, @@ -245,10 +316,14 @@ extern kern_return_t vnode_pager_get_object_size( #if CONFIG_IOSCHED extern kern_return_t vnode_pager_get_object_devvp( - memory_object_t, - uintptr_t *); + memory_object_t, + uintptr_t *); #endif +extern void vnode_pager_dirtied( + memory_object_t, + vm_object_offset_t, + vm_object_offset_t); extern kern_return_t vnode_pager_get_isinuse( memory_object_t, uint32_t *); @@ -259,34 +334,31 @@ extern kern_return_t vnode_pager_get_throttle_io_limit( memory_object_t, uint32_t *); extern kern_return_t vnode_pager_get_object_name( - memory_object_t mem_obj, - char *pathname, - vm_size_t pathname_len, - char *filename, - vm_size_t filename_len, - boolean_t *truncated_path_p); + memory_object_t mem_obj, + char *pathname, + vm_size_t pathname_len, + char *filename, + vm_size_t filename_len, + boolean_t *truncated_path_p); extern kern_return_t vnode_pager_get_object_mtime( - memory_object_t mem_obj, + memory_object_t mem_obj, struct timespec *mtime, - struct timespec *cs_mtime); -extern kern_return_t vnode_pager_get_object_cs_blobs( - memory_object_t mem_obj, - void **blobs); - -#if CHECK_CS_VALIDATION_BITMAP -extern kern_return_t vnode_pager_cs_check_validation_bitmap( - memory_object_t mem_obj, - memory_object_offset_t offset, - int optype); + struct timespec *cs_mtime); + +#if CHECK_CS_VALIDATION_BITMAP +extern kern_return_t vnode_pager_cs_check_validation_bitmap( + memory_object_t mem_obj, + memory_object_offset_t offset, + int optype); #endif /*CHECK_CS_VALIDATION_BITMAP*/ -extern kern_return_t ubc_cs_check_validation_bitmap ( - struct vnode *vp, +extern kern_return_t ubc_cs_check_validation_bitmap( + struct vnode *vp, memory_object_offset_t offset, int optype); -extern kern_return_t vnode_pager_data_request( - memory_object_t, +extern kern_return_t vnode_pager_data_request( + memory_object_t, memory_object_offset_t, memory_object_cluster_size_t, vm_prot_t, @@ -305,25 +377,26 @@ extern kern_return_t vnode_pager_data_initialize( memory_object_offset_t, memory_object_cluster_size_t); extern void vnode_pager_reference( - memory_object_t mem_obj); + memory_object_t mem_obj); extern kern_return_t vnode_pager_synchronize( - memory_object_t mem_obj, - memory_object_offset_t offset, - memory_object_size_t length, - vm_sync_t sync_flags); + memory_object_t mem_obj, + memory_object_offset_t offset, + memory_object_size_t length, + vm_sync_t sync_flags); extern kern_return_t vnode_pager_map( - memory_object_t mem_obj, - vm_prot_t prot); + memory_object_t mem_obj, + vm_prot_t prot); extern kern_return_t vnode_pager_last_unmap( - memory_object_t mem_obj); + 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 struct vnode *vnode_pager_lookup_vnode( + memory_object_t); + extern int ubc_map( struct vnode *vp, int flags); @@ -333,184 +406,134 @@ extern void ubc_unmap( struct vm_map_entry; extern struct vm_object *find_vnode_object(struct vm_map_entry *entry); -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, - memory_object_cluster_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, - memory_object_cluster_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, - memory_object_cluster_size_t, - memory_object_offset_t *, - int *, - boolean_t, - boolean_t, - int); -extern kern_return_t dp_memory_object_data_initialize(memory_object_t, - memory_object_offset_t, - memory_object_cluster_size_t); -extern kern_return_t dp_memory_object_data_unlock(memory_object_t, - memory_object_offset_t, - memory_object_size_t, - vm_prot_t); -extern kern_return_t dp_memory_object_synchronize(memory_object_t, - memory_object_offset_t, - memory_object_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_ */ - -#if CONFIG_FREEZE -extern unsigned int default_pager_swap_pages_free(void); -struct default_freezer_handle; -struct vm_page; -__private_extern__ void default_freezer_init(void); -__private_extern__ struct default_freezer_handle* default_freezer_handle_allocate(void); -__private_extern__ kern_return_t -default_freezer_handle_init( - struct default_freezer_handle *df_handle); -__private_extern__ void -default_freezer_handle_deallocate( - struct default_freezer_handle *df_handle); -__private_extern__ void -default_freezer_pageout( - struct default_freezer_handle *df_handle); -__private_extern__ kern_return_t -default_freezer_pack( - unsigned int *purgeable_count, - unsigned int *wired_count, - unsigned int *clean_count, - unsigned int *dirty_count, - unsigned int dirty_budget, - boolean_t *shared, - vm_object_t src_object, - struct default_freezer_handle *df_handle); -__private_extern__ kern_return_t -default_freezer_unpack( - struct default_freezer_handle *df_handle); -__private_extern__ void -default_freezer_pack_page( - struct vm_page* p, - struct default_freezer_handle *df_handle); - -#endif /* CONFIG_FREEZE */ - 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, - memory_object_cluster_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, - memory_object_cluster_size_t, - vm_prot_t, - memory_object_fault_info_t); + memory_object_control_t, + memory_object_cluster_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, + memory_object_cluster_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, - memory_object_cluster_size_t, - memory_object_offset_t *, - int *, - boolean_t, - boolean_t, - int); + memory_object_offset_t, + memory_object_cluster_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, - memory_object_cluster_size_t); + memory_object_offset_t, + memory_object_cluster_size_t); extern kern_return_t device_pager_data_unlock(memory_object_t, - memory_object_offset_t, - memory_object_size_t, - vm_prot_t); + memory_object_offset_t, + memory_object_size_t, + vm_prot_t); extern kern_return_t device_pager_synchronize(memory_object_t, - memory_object_offset_t, - memory_object_size_t, - vm_sync_t); + memory_object_offset_t, + memory_object_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); + 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, uintptr_t, vm_size_t, int); extern void device_pager_bootstrap(void); +extern boolean_t is_device_pager_ops(const struct memory_object_pager_ops *pager_ops); extern kern_return_t pager_map_to_phys_contiguous( - memory_object_control_t object, - memory_object_offset_t offset, - addr64_t base_vaddr, - vm_size_t size); + memory_object_control_t object, + memory_object_offset_t offset, + addr64_t base_vaddr, + vm_size_t size); extern kern_return_t memory_object_create_named( - memory_object_t pager, - memory_object_offset_t size, - memory_object_control_t *control); + memory_object_t pager, + memory_object_offset_t size, + memory_object_control_t *control); struct macx_triggers_args; extern int mach_macx_triggers( - struct macx_triggers_args *args); + struct macx_triggers_args *args); 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); + 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 void log_unnest_badness(vm_map_t, vm_map_offset_t, vm_map_offset_t); +extern void log_unnest_badness( + vm_map_t map, + vm_map_offset_t start_unnest, + vm_map_offset_t end_unnest, + boolean_t is_nested_map, + vm_map_offset_t lowest_unnestable_addr); struct proc; +struct proc *current_proc(void); extern int cs_allow_invalid(struct proc *p); -extern int cs_invalid_page(addr64_t vaddr); - -#define CS_VALIDATE_TAINTED 0x00000001 -#define CS_VALIDATE_NX 0x00000002 -extern boolean_t cs_validate_page(void *blobs, - memory_object_t pager, - memory_object_offset_t offset, - const void *data, - unsigned *result); +extern int cs_invalid_page(addr64_t vaddr, boolean_t *cs_killed); + +#define CS_VALIDATE_TAINTED 0x00000001 +#define CS_VALIDATE_NX 0x00000002 +extern boolean_t cs_validate_range(struct vnode *vp, + memory_object_t pager, + memory_object_offset_t offset, + const void *data, + vm_size_t size, + unsigned *result); +#if PMAP_CS +extern kern_return_t cs_associate_blob_with_mapping( + void *pmap, + vm_map_offset_t start, + vm_map_size_t size, + vm_object_offset_t offset, + void *blobs_p); +#endif /* PMAP_CS */ + +extern kern_return_t memory_entry_purgeable_control_internal( + ipc_port_t entry_port, + vm_purgable_t control, + int *state); + +extern kern_return_t memory_entry_access_tracking_internal( + ipc_port_t entry_port, + int *access_tracking, + uint32_t *access_tracking_reads, + uint32_t *access_tracking_writes); extern kern_return_t mach_memory_entry_purgable_control( - ipc_port_t entry_port, - vm_purgable_t control, - int *state); + ipc_port_t entry_port, + vm_purgable_t control, + int *state); extern kern_return_t mach_memory_entry_get_page_counts( - ipc_port_t entry_port, - unsigned int *resident_page_count, - unsigned int *dirty_page_count); + ipc_port_t entry_port, + unsigned int *resident_page_count, + unsigned int *dirty_page_count); 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); + 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, + ipc_port_t entry_port, + vm_object_offset_t offset_beg, + vm_object_offset_t offset_end, int ops, int *range); @@ -527,14 +550,14 @@ extern unsigned int mach_vm_ctl_page_free_wanted(void); extern int no_paging_space_action(void); -#define VM_TOGGLE_CLEAR 0 -#define VM_TOGGLE_SET 1 -#define VM_TOGGLE_GETVALUE 999 +#define VM_TOGGLE_CLEAR 0 +#define VM_TOGGLE_SET 1 +#define VM_TOGGLE_GETVALUE 999 int vm_toggle_entry_reuse(int, int*); -#define SWAP_WRITE 0x00000000 /* Write buffer (pseudo flag). */ -#define SWAP_READ 0x00000001 /* Read buffer. */ -#define SWAP_ASYNC 0x00000002 /* Start I/O, do not wait. */ +#define SWAP_WRITE 0x00000000 /* Write buffer (pseudo flag). */ +#define SWAP_READ 0x00000001 /* Read buffer. */ +#define SWAP_ASYNC 0x00000002 /* Start I/O, do not wait. */ extern void vm_compressor_pager_init(void); extern kern_return_t compressor_memory_object_create( @@ -542,8 +565,9 @@ extern kern_return_t compressor_memory_object_create( memory_object_t *); extern boolean_t vm_compressor_low_on_space(void); -extern int vm_swap_low_on_space(void); - +extern boolean_t vm_compressor_out_of_space(void); +extern int vm_swap_low_on_space(void); +void do_fastwake_warmup_all(void); #if CONFIG_JETSAM extern int proc_get_memstat_priority(struct proc*, boolean_t); #endif /* CONFIG_JETSAM */ @@ -551,34 +575,108 @@ extern int proc_get_memstat_priority(struct proc*, boolean_t); /* the object purger. purges the next eligible object from memory. */ /* returns TRUE if an object was purged, otherwise FALSE. */ boolean_t vm_purgeable_object_purge_one_unlocked(int force_purge_below_group); -void vm_purgeable_disown(task_t task); +void vm_purgeable_nonvolatile_owner_update(task_t owner, + int delta); +void vm_purgeable_volatile_owner_update(task_t owner, + int delta); +void vm_owned_objects_disown(task_t task); + struct trim_list { - uint64_t tl_offset; - uint64_t tl_length; + uint64_t tl_offset; + uint64_t tl_length; struct trim_list *tl_next; }; u_int32_t vnode_trim_list(struct vnode *vp, struct trim_list *tl, boolean_t route_only); -#define MAX_SWAPFILENAME_LEN 1024 -#define SWAPFILENAME_INDEX_LEN 2 /* Doesn't include the terminating NULL character */ +#define MAX_SWAPFILENAME_LEN 1024 +#define SWAPFILENAME_INDEX_LEN 2 /* Doesn't include the terminating NULL character */ -extern char swapfilename[MAX_SWAPFILENAME_LEN + 1]; +extern char swapfilename[MAX_SWAPFILENAME_LEN + 1]; struct vm_counters { - unsigned int do_collapse_compressor; - unsigned int do_collapse_compressor_pages; - unsigned int do_collapse_terminate; - unsigned int do_collapse_terminate_failure; - unsigned int should_cow_but_wired; - unsigned int create_upl_extra_cow; - unsigned int create_upl_extra_cow_pages; - unsigned int create_upl_lookup_failure_write; - unsigned int create_upl_lookup_failure_copy; + unsigned int do_collapse_compressor; + unsigned int do_collapse_compressor_pages; + unsigned int do_collapse_terminate; + unsigned int do_collapse_terminate_failure; + unsigned int should_cow_but_wired; + unsigned int create_upl_extra_cow; + unsigned int create_upl_extra_cow_pages; + unsigned int create_upl_lookup_failure_write; + unsigned int create_upl_lookup_failure_copy; }; extern struct vm_counters vm_counters; -#endif /* _VM_VM_PROTOS_H_ */ +#if CONFIG_SECLUDED_MEMORY +struct vm_page_secluded_data { + int eligible_for_secluded; + int grab_success_free; + int grab_success_other; + int grab_failure_locked; + int grab_failure_state; + int grab_failure_dirty; + int grab_for_iokit; + int grab_for_iokit_success; +}; +extern struct vm_page_secluded_data vm_page_secluded; + +extern int num_tasks_can_use_secluded_mem; + +/* boot-args */ +extern int secluded_for_apps; +extern int secluded_for_iokit; +extern int secluded_for_filecache; +#if 11 +extern int secluded_for_fbdp; +#endif + +extern uint64_t vm_page_secluded_drain(void); +extern void memory_object_mark_eligible_for_secluded( + memory_object_control_t control, + boolean_t eligible_for_secluded); + +#endif /* CONFIG_SECLUDED_MEMORY */ + +#define MAX_PAGE_RANGE_QUERY (1ULL * 1024 * 1024 * 1024) /* 1 GB */ + +extern kern_return_t mach_make_memory_entry_internal( + vm_map_t target_map, + memory_object_size_t *size, + memory_object_offset_t offset, + vm_prot_t permission, + vm_named_entry_kernel_flags_t vmne_kflags, + ipc_port_t *object_handle, + ipc_port_t parent_handle); + +#define roundup(x, y) ((((x) % (y)) == 0) ? \ + (x) : ((x) + ((y) - ((x) % (y))))) + +#ifdef __cplusplus +} +#endif + +/* + * Flags for the VM swapper/reclaimer. + * Used by vm_swap_consider_defragment() + * to force defrag/reclaim by the swap + * GC thread. + */ +#define VM_SWAP_FLAGS_NONE 0 +#define VM_SWAP_FLAGS_FORCE_DEFRAG 1 +#define VM_SWAP_FLAGS_FORCE_RECLAIM 2 + +#if __arm64__ +/* + * Flags to control the behavior of + * the legacy footprint entitlement. + */ +#define LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE (1) +#define LEGACY_FOOTPRINT_ENTITLEMENT_IOS11_ACCT (2) +#define LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE (3) + +#endif /* __arm64__ */ + +#endif /* _VM_VM_PROTOS_H_ */ -#endif /* XNU_KERNEL_PRIVATE */ +#endif /* XNU_KERNEL_PRIVATE */