* 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
* 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,
* 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_
#include <mach/mach_types.h>
#include <kern/kern_types.h>
+#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,
* iokit
*/
extern kern_return_t device_data_action(
- int 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(
- int device_handle);
+ 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 _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);
+ 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_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 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);
+#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
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
+#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,
- struct pager_crypt_info *crypt_info);
+ 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,
- struct pager_crypt_info *crypt_info);
-#endif /* CONFIG_CODE_DECRYPTION */
+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,
+ struct pager_crypt_info *crypt_info,
+ 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)
+#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);
-#ifndef _VNODE_PAGER_
+
+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,
- vm_offset_t, vm_object_offset_t,
- vm_size_t, int, int *);
-extern pager_return_t vnode_pageout(
+ upl_offset_t, vm_object_offset_t,
+ upl_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 *);
+ 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 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 uint32_t vnode_pager_isinuse(
+ struct vnode *);
+extern boolean_t vnode_pager_isSSD(
+ struct vnode *);
+extern void vnode_pager_throttle(
+ void);
+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 timespec;
+extern kern_return_t vnode_pager_get_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);
-
-#endif /* _VNODE_PAGER_ */
-extern void vnode_pager_bootstrap(void) __attribute__((section("__TEXT, initcode")));
+ 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);
+#endif
+
+#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
+
+#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,
- vm_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,
- vm_size_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,
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,
+
+#if CONFIG_IOSCHED
+extern kern_return_t vnode_pager_get_object_devvp(
+ 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 *);
+extern kern_return_t vnode_pager_get_isSSD(
+ memory_object_t,
+ boolean_t *);
+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);
+extern kern_return_t vnode_pager_get_object_mtime(
+ memory_object_t mem_obj,
+ struct timespec *mtime,
+ 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,
+ memory_object_offset_t offset,
+ int optype);
+
+extern kern_return_t vnode_pager_data_request(
+ memory_object_t,
memory_object_offset_t,
- vm_size_t,
+ memory_object_cluster_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_cluster_size_t,
memory_object_offset_t *,
int *,
boolean_t,
extern kern_return_t vnode_pager_data_initialize(
memory_object_t,
memory_object_offset_t,
- vm_size_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,
- vm_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);
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_ */
+struct vm_map_entry;
+extern struct vm_object *find_vnode_object(struct vm_map_entry *entry);
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);
+ 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,
- vm_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,
- vm_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,
- vm_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,
- vm_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,
- int,
+ uintptr_t,
vm_size_t,
int);
-extern void device_pager_bootstrap(void) __attribute__((section("__TEXT, initcode")));
+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);
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);
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 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 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, 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);
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);
extern void vm_paging_map_init(void);
-#endif /* _VM_VM_PROTOS_H_ */
+extern int macx_backing_store_compaction(int flags);
+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
+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. */
+
+extern void vm_compressor_pager_init(void);
+extern kern_return_t compressor_memory_object_create(
+ memory_object_size_t,
+ memory_object_t *);
+
+extern boolean_t vm_compressor_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 */
+
+/* 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_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;
+ 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 */
+
+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;
+};
+extern struct vm_counters vm_counters;
+
+#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 */
projects / apple / xnu.git / blobdiff