xnu-3247.10.11.tar.gz

[apple/xnu.git] / osfmk / vm / vm_protos.h

diff --git a/osfmk/vm/vm_protos.h b/osfmk/vm/vm_protos.h
index 0f814c3e94e18765c394928e75078efb65acd88d..71d58704b27d8d92b4a5b3c4d4032c0bda680af0 100644 (file)
--- a/osfmk/vm/vm_protos.h
+++ b/osfmk/vm/vm_protos.h
@@ -79,6 +79,10 @@ extern task_t port_name_to_task(
 extern ipc_space_t  get_task_ipcspace(
        task_t t);
 
 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
+

 /* Some loose-ends VM stuff */
 
 extern vm_map_t                kalloc_map;
 /* Some loose-ends VM stuff */
 
 extern vm_map_t                kalloc_map;


@@ -86,13 +90,12 @@ extern vm_size_t    msg_ool_size_small;
 extern vm_map_t                zone_map;
 
 extern void consider_machine_adjust(void);
 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 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);
 

-int vm_map_page_mask(vm_map_t);
+extern vm_map_offset_t vm_map_page_mask(vm_map_t);

 
 extern boolean_t coredumpok(vm_map_t map, vm_offset_t va);
 
 
 extern boolean_t coredumpok(vm_map_t map, vm_offset_t va);
 


@@ -129,15 +132,22 @@ 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
 extern mach_vm_offset_t mach_get_vm_end(vm_map_t);
 
 #if CONFIG_CODE_DECRYPTION

+#define VM_MAP_DEBUG_APPLE_PROTECT     MACH_ASSERT

 struct pager_crypt_info;
 extern kern_return_t vm_map_apple_protected(
 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 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;
 #endif /* CONFIG_CODE_DECRYPTION */
 
 struct vnode;


@@ -145,6 +155,12 @@ 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);
 
 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
 
 /*
  * bsd


@@ -154,6 +170,9 @@ extern void vnode_pager_shutdown(void);
 extern void *upl_get_internal_page_list(
        upl_t upl);
 
 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(
        struct vnode *, upl_t,
 typedef int pager_return_t;
 extern pager_return_t  vnode_pagein(
        struct vnode *, upl_t,


@@ -193,6 +212,14 @@ 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);
+#endif
+

 #if CHECK_CS_VALIDATION_BITMAP 
 /* used by the vnode_pager_cs_validation_bitmap routine*/
 #define CS_BITMAP_SET  1
 #if CHECK_CS_VALIDATION_BITMAP 
 /* used by the vnode_pager_cs_validation_bitmap routine*/
 #define CS_BITMAP_SET  1


@@ -215,6 +242,13 @@ extern kern_return_t vnode_pager_init(
 extern kern_return_t vnode_pager_get_object_size(
        memory_object_t,
        memory_object_offset_t *);
 extern kern_return_t vnode_pager_get_object_size(
        memory_object_t,
        memory_object_offset_t *);

+
+#if CONFIG_IOSCHED
+extern kern_return_t vnode_pager_get_object_devvp(
+        memory_object_t,
+        uintptr_t *);
+#endif
+

 extern kern_return_t vnode_pager_get_isinuse(
        memory_object_t,
        uint32_t *);
 extern kern_return_t vnode_pager_get_isinuse(
        memory_object_t,
        uint32_t *);


@@ -447,11 +481,14 @@ extern void log_unnest_badness(vm_map_t, vm_map_offset_t, vm_map_offset_t);
 struct proc;
 extern int cs_allow_invalid(struct proc *p);
 extern int cs_invalid_page(addr64_t vaddr);
 struct proc;
 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,
 extern boolean_t cs_validate_page(void *blobs,
                                  memory_object_t pager,
                                  memory_object_offset_t offset, 
                                  const void *data,

-                                 boolean_t *tainted);
+                                 unsigned *result);

 
 extern kern_return_t mach_memory_entry_purgable_control(
        ipc_port_t      entry_port,
 
 extern kern_return_t mach_memory_entry_purgable_control(
        ipc_port_t      entry_port,


@@ -488,7 +525,7 @@ extern void vm_paging_map_init(void);
 extern int macx_backing_store_compaction(int flags);
 extern unsigned int mach_vm_ctl_page_free_wanted(void);
 
 extern int macx_backing_store_compaction(int flags);
 extern unsigned int mach_vm_ctl_page_free_wanted(void);
 

-extern void no_paging_space_action(void);
+extern int no_paging_space_action(void);

 
 #define VM_TOGGLE_CLEAR                0
 #define VM_TOGGLE_SET          1
 
 #define VM_TOGGLE_CLEAR                0
 #define VM_TOGGLE_SET          1


@@ -504,9 +541,17 @@ extern kern_return_t compressor_memory_object_create(
        memory_object_size_t,
        memory_object_t *);
 
        memory_object_size_t,
        memory_object_t *);
 

+extern boolean_t vm_compressor_low_on_space(void);
+extern int      vm_swap_low_on_space(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);
 /* 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);

 
 struct trim_list {
        uint64_t        tl_offset;
 
 struct trim_list {
        uint64_t        tl_offset;


@@ -514,7 +559,25 @@ struct trim_list {
        struct trim_list *tl_next;
 };
 
        struct trim_list *tl_next;
 };
 

-u_int32_t vnode_trim_list(struct vnode *vp, struct trim_list *tl);
+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;

 
 #endif /* _VM_VM_PROTOS_H_ */
 
 
 #endif /* _VM_VM_PROTOS_H_ */