#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,
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
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_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);
-int vm_map_page_mask(vm_map_t);
+extern vm_map_offset_t vm_map_page_mask(vm_map_t);
+#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_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);
+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 vnode;
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)) */
+
/*
* 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 *);
typedef int pager_return_t;
extern pager_return_t vnode_pagein(
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(
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);
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,
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,
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;
extern int cs_allow_invalid(struct proc *p);
-extern int cs_invalid_page(addr64_t vaddr);
+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_page(void *blobs,
- memory_object_t pager,
- memory_object_offset_t offset,
- const void *data,
- unsigned *result);
+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);
extern kern_return_t mach_memory_entry_purgable_control(
ipc_port_t entry_port,
memory_object_size_t,
memory_object_t *);
+extern boolean_t vm_compressor_low_on_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 */
};
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
+
+/*
+ * "secluded_aging_policy" controls the aging of secluded pages:
+ *
+ * SECLUDED_AGING_FIFO
+ * When a page eligible for the secluded queue is activated or
+ * deactivated, it is inserted in the secluded queue.
+ * When it get pushed out of the secluded queue, it gets freed.
+ *
+ * SECLUDED_AGING_ALONG_ACTIVE
+ * When a page eligible for the secluded queue is activated, it is
+ * inserted in the secluded queue.
+ * When it gets pushed out of the secluded queue, its "referenced" bit
+ * is reset and it is inserted in the inactive queue.
+ *
+ * SECLUDED_AGING_AFTER_INACTIVE
+ * A page eligible for the secluded queue first makes its way through the
+ * active and inactive queues.
+ * When it is pushed out of the inactive queue without being re-activated,
+ * it is inserted in the secluded queue instead of being reclaimed.
+ * When it is pushed out of the secluded queue, it is either freed if it
+ * hasn't been re-referenced, or re-activated if it has been re-referenced.
+ *
+ * SECLUDED_AGING_BEFORE_ACTIVE
+ * A page eligible for the secluded queue will first make its way through
+ * the secluded queue. When it gets pushed out of the secluded queue (by
+ * new secluded pages), it goes back to the normal aging path, through the
+ * active queue and then the inactive queue.
+ */
+extern int secluded_aging_policy;
+#define SECLUDED_AGING_FIFO 0
+#define SECLUDED_AGING_ALONG_ACTIVE 1
+#define SECLUDED_AGING_AFTER_INACTIVE 2
+#define SECLUDED_AGING_BEFORE_ACTIVE 3
+
+extern void memory_object_mark_eligible_for_secluded(
+ memory_object_control_t control,
+ boolean_t eligible_for_secluded);
+
+#endif /* CONFIG_SECLUDED_MEMORY */
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _VM_VM_PROTOS_H_ */
#endif /* XNU_KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff