xnu-2782.1.97.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 fa8c278724a4d2b1c20f642d9ff8305b0ea5a607..d241abafbe75473a4accae6724d37aa57d3173f9 100644 (file)
--- a/osfmk/vm/vm_protos.h
+++ b/osfmk/vm/vm_protos.h
@@ -92,6 +92,8 @@ 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_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 boolean_t coredumpok(vm_map_t map, vm_offset_t va);
 
 /*
 extern boolean_t coredumpok(vm_map_t map, vm_offset_t va);
 
 /*


@@ -152,6 +154,8 @@ 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 *);
+

 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,


@@ -172,21 +176,33 @@ extern boolean_t vnode_pager_isSSD(
        struct vnode *);
 extern void vnode_pager_throttle(
        void);
        struct vnode *);
 extern void vnode_pager_throttle(
        void);

-extern uint32_t vnode_pager_return_hard_throttle_limit(
+extern uint32_t vnode_pager_return_throttle_io_limit(

        struct vnode *,
        struct vnode *,

-       uint32_t     *,
-       uint32_t);
-extern kern_return_t vnode_pager_get_pathname(
+       uint32_t     *);
+extern kern_return_t vnode_pager_get_name(

        struct vnode    *vp,
        char            *pathname,
        struct vnode    *vp,
        char            *pathname,

-       vm_size_t       *length_p);
-extern kern_return_t vnode_pager_get_filename(
+       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 vnode    *vp,

-       const char      **filename);
+       struct timespec *mtime,
+       struct timespec *cs_mtime);

 extern kern_return_t vnode_pager_get_cs_blobs(
        struct vnode    *vp,
        void            **blobs);
 
 extern kern_return_t vnode_pager_get_cs_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


@@ -195,7 +211,7 @@ extern kern_return_t vnode_pager_get_cs_blobs(
 
 #endif /* CHECK_CS_VALIDATION_BITMAP */
 
 
 #endif /* CHECK_CS_VALIDATION_BITMAP */
 

-extern void vnode_pager_bootstrap(void) __attribute__((section("__TEXT, initcode")));
+extern void vnode_pager_bootstrap(void);

 extern kern_return_t
 vnode_pager_data_unlock(
        memory_object_t         mem_obj,
 extern kern_return_t
 vnode_pager_data_unlock(
        memory_object_t         mem_obj,


@@ -209,23 +225,33 @@ 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_isSSD(
        memory_object_t,
        boolean_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_check_hard_throttle(
+extern kern_return_t vnode_pager_get_throttle_io_limit(

        memory_object_t,
        memory_object_t,

-       uint32_t *,
-       uint32_t);
-extern kern_return_t vnode_pager_get_object_pathname(
+       uint32_t *);
+extern kern_return_t vnode_pager_get_object_name(

        memory_object_t mem_obj,
        char            *pathname,
        memory_object_t mem_obj,
        char            *pathname,

-       vm_size_t       *length_p);
-extern kern_return_t vnode_pager_get_object_filename(
+       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,

-       const char      **filename);
+       struct timespec *mtime,
+       struct timespec *cs_mtime);

 extern kern_return_t vnode_pager_get_object_cs_blobs(
        memory_object_t mem_obj,
        void            **blobs);
 extern kern_return_t vnode_pager_get_object_cs_blobs(
        memory_object_t mem_obj,
        void            **blobs);


@@ -357,7 +383,7 @@ default_freezer_pack(
        boolean_t               *shared,
        vm_object_t             src_object,
        struct default_freezer_handle *df_handle);
        boolean_t               *shared,
        vm_object_t             src_object,
        struct default_freezer_handle *df_handle);

-__private_extern__ void
+__private_extern__ kern_return_t

 default_freezer_unpack(
        struct default_freezer_handle *df_handle);      
 __private_extern__ void
 default_freezer_unpack(
        struct default_freezer_handle *df_handle);      
 __private_extern__ void


@@ -409,7 +435,13 @@ extern memory_object_t device_pager_setup(
        uintptr_t,
        vm_size_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 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,
 
 extern kern_return_t memory_object_create_named(
        memory_object_t pager,


@@ -429,6 +461,7 @@ extern int macx_swapinfo(
 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_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);
 

+struct proc;

 extern int cs_allow_invalid(struct proc *p);
 extern int cs_invalid_page(addr64_t vaddr);
 extern boolean_t cs_validate_page(void *blobs,
 extern int cs_allow_invalid(struct proc *p);
 extern int cs_invalid_page(addr64_t vaddr);
 extern boolean_t cs_validate_page(void *blobs,


@@ -442,6 +475,11 @@ extern kern_return_t mach_memory_entry_purgable_control(
        vm_purgable_t   control,
        int             *state);
 
        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,
 extern kern_return_t mach_memory_entry_page_op(
        ipc_port_t              entry_port,
        vm_object_offset_t      offset,


@@ -467,12 +505,57 @@ 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_GETVALUE     999
 int vm_toggle_entry_reuse(int, int*);
 
 #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 *);
+
+#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_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;
+

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