xnu-3247.1.106.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 82704811e8da3fd38fe7af9ecf3a7d7e14d9ea64..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);
 
+#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;
@@ -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 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);
 
-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);
 
@@ -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
+#define VM_MAP_DEBUG_APPLE_PROTECT     MACH_ASSERT
 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;
@@ -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);
 
+#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
@@ -155,6 +171,7 @@ 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(
@@ -524,6 +541,9 @@ 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 int      vm_swap_low_on_space(void);
+
 #if CONFIG_JETSAM
 extern int proc_get_memstat_priority(struct proc*, boolean_t);
 #endif /* CONFIG_JETSAM */