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[apple/xnu.git] / osfmk / vm / vm_pageout.h
diff --git a/osfmk/vm/vm_pageout.h b/osfmk/vm/vm_pageout.h
index d8ddac6a760dd90b8f117f55d3e5271db0608059..7396460b26534dd949a38f106b94d157186cf6d8 100644 (file)
--- a/osfmk/vm/vm_pageout.h
+++ b/osfmk/vm/vm_pageout.h
@@ -87,29 +87,56 @@
 
 #include <sys/kdebug.h>
 
 
 #include <sys/kdebug.h>
 
+#define VM_PAGE_AVAILABLE_COUNT()              ((unsigned int)(vm_page_cleaned_count))
+
+/* externally manipulated counters */
+extern unsigned int vm_pageout_cleaned_reactivated, vm_pageout_cleaned_fault_reactivated, vm_pageout_cleaned_commit_reactivated;
+
+#if CONFIG_JETSAM
+#define LATENCY_JETSAM FALSE
+#if LATENCY_JETSAM
+#define JETSAM_LATENCY_TOKEN_AGE       3000    /* 3ms */
+#define        NUM_OF_JETSAM_LATENCY_TOKENS    1000
+
+#define JETSAM_AGE_NOTIFY_CRITICAL     1500000 /* 1.5 secs */
+
+extern boolean_t       jlp_init;
+extern uint64_t        jlp_time, jlp_current;
+extern unsigned int    latency_jetsam_wakeup;
+#endif /* LATENCY_JETSAM */                            
+#endif /* CONFIG_JETSAM */
+
 #if CONFIG_FREEZE
 #if CONFIG_FREEZE
-extern boolean_t vm_freeze_enabled;
-#define VM_DYNAMIC_PAGING_ENABLED(port) ((vm_freeze_enabled == FALSE) && IP_VALID(port))
+extern boolean_t memorystatus_freeze_enabled;
+#define VM_DYNAMIC_PAGING_ENABLED(port) ((COMPRESSED_PAGER_IS_ACTIVE || DEFAULT_FREEZER_COMPRESSED_PAGER_IS_ACTIVE) || (memorystatus_freeze_enabled == FALSE && IP_VALID(port)))
 #else
 #else
-#define VM_DYNAMIC_PAGING_ENABLED(port) IP_VALID(port)
+#define VM_DYNAMIC_PAGING_ENABLED(port) (COMPRESSED_PAGER_IS_ACTIVE || IP_VALID(port))
 #endif
 
 
 extern int     vm_debug_events;
 
 #endif
 
 
 extern int     vm_debug_events;
 
-#define VMF_CHECK_ZFDELAY      0x100
-#define VMF_COWDELAY           0x101
-#define VMF_ZFDELAY            0x102
+#define VMF_CHECK_ZFDELAY              0x100
+#define VMF_COWDELAY                   0x101
+#define VMF_ZFDELAY                    0x102
+#define VMF_COMPRESSORDELAY            0x103
+
+#define VM_PAGEOUT_SCAN                        0x104
+#define VM_PAGEOUT_BALANCE             0x105
+#define VM_PAGEOUT_FREELIST            0x106
+#define VM_PAGEOUT_PURGEONE            0x107
+#define VM_PAGEOUT_CACHE_EVICT         0x108
+#define VM_PAGEOUT_THREAD_BLOCK                0x109
+#define VM_PAGEOUT_JETSAM              0x10A
+#define VM_PAGEOUT_PAGE_TOKEN          0x10B
 
 
-#define VM_PAGEOUT_SCAN                0x104
-#define VM_PAGEOUT_BALANCE     0x105
-#define VM_PAGEOUT_FREELIST    0x106
-#define VM_PAGEOUT_PURGEONE    0x107
-#define VM_PAGEOUT_CACHE_EVICT 0x108
-#define VM_PAGEOUT_THREAD_BLOCK        0x109
+#define VM_UPL_PAGE_WAIT               0x120
+#define VM_IOPL_PAGE_WAIT              0x121
+#define VM_PAGE_WAIT_BLOCK             0x122
 
 
-#define VM_UPL_PAGE_WAIT       0x120
-#define VM_IOPL_PAGE_WAIT      0x121
+#define VM_PRESSURE_EVENT              0x130
+#define VM_EXECVE                      0x131
+#define VM_WAKEUP_COMPACTOR_SWAPPER    0x132
 
 #define VM_DEBUG_EVENT(name, event, control, arg1, arg2, arg3, arg4)   \
        MACRO_BEGIN                                             \
 
 #define VM_DEBUG_EVENT(name, event, control, arg1, arg2, arg3, arg4)   \
        MACRO_BEGIN                                             \
@@ -118,7 +145,7 @@ extern int  vm_debug_events;
        }                                                       \
        MACRO_END
 
        }                                                       \
        MACRO_END
 
-
+extern void inline memoryshot(unsigned int event, unsigned int control);
 
 extern kern_return_t vm_map_create_upl(
        vm_map_t                map,
 
 extern kern_return_t vm_map_create_upl(
        vm_map_t                map,
@@ -154,25 +181,15 @@ extern vm_object_offset_t vm_page_get_offset(vm_page_t page);
 extern ppnum_t            vm_page_get_phys_page(vm_page_t page);
 extern vm_page_t          vm_page_get_next(vm_page_t page);
 
 extern ppnum_t            vm_page_get_phys_page(vm_page_t page);
 extern vm_page_t          vm_page_get_next(vm_page_t page);
 
+extern kern_return_t   mach_vm_pressure_level_monitor(boolean_t wait_for_pressure, unsigned int *pressure_level);
+
 #ifdef MACH_KERNEL_PRIVATE
 
 #include <vm/vm_page.h>
 
 extern unsigned int    vm_pageout_scan_event_counter;
 #ifdef MACH_KERNEL_PRIVATE
 
 #include <vm/vm_page.h>
 
 extern unsigned int    vm_pageout_scan_event_counter;
-extern unsigned int    vm_zf_queue_count;
-
-
-extern uint64_t        vm_zf_count;
-
-#define VM_ZF_COUNT_INCR()                             \
-       MACRO_BEGIN                                     \
-       OSAddAtomic64(1, (SInt64 *) &vm_zf_count);      \
-       MACRO_END                                       \
+extern unsigned int    vm_page_anonymous_count;
 
 
-#define VM_ZF_COUNT_DECR()                             \
-       MACRO_BEGIN                                     \
-       OSAddAtomic64(-1, (SInt64 *) &vm_zf_count);     \
-       MACRO_END                                       \
 
 /*
  * must hold the page queues lock to
 
 /*
  * must hold the page queues lock to
@@ -182,11 +199,14 @@ struct vm_pageout_queue {
         queue_head_t   pgo_pending;    /* laundry pages to be processed by pager's iothread */
         unsigned int   pgo_laundry;    /* current count of laundry pages on queue or in flight */
         unsigned int   pgo_maxlaundry;
         queue_head_t   pgo_pending;    /* laundry pages to be processed by pager's iothread */
         unsigned int   pgo_laundry;    /* current count of laundry pages on queue or in flight */
         unsigned int   pgo_maxlaundry;
+       uint64_t        pgo_tid;        /* thread ID of I/O thread that services this queue */
+       uint8_t         pgo_lowpriority; /* iothread is set to use low priority I/O */
 
         unsigned int   pgo_idle:1,     /* iothread is blocked waiting for work to do */
                        pgo_busy:1,     /* iothread is currently processing request from pgo_pending */
                        pgo_throttled:1,/* vm_pageout_scan thread needs a wakeup when pgo_laundry drops */
                        pgo_draining:1,
 
         unsigned int   pgo_idle:1,     /* iothread is blocked waiting for work to do */
                        pgo_busy:1,     /* iothread is currently processing request from pgo_pending */
                        pgo_throttled:1,/* vm_pageout_scan thread needs a wakeup when pgo_laundry drops */
                        pgo_draining:1,
+                       pgo_inited:1,
                        :0;
 };
 
                        :0;
 };
 
@@ -208,7 +228,8 @@ extern void         vm_pageout_object_terminate(
                                        vm_object_t     object);
 
 extern void            vm_pageout_cluster(
                                        vm_object_t     object);
 
 extern void            vm_pageout_cluster(
-                                       vm_page_t       m);
+                                       vm_page_t       m,
+                                       boolean_t       pageout);
 
 extern void            vm_pageout_initialize_page(
                                        vm_page_t       m);
 
 extern void            vm_pageout_initialize_page(
                                        vm_page_t       m);
@@ -328,6 +349,12 @@ extern void vector_upl_get_iostate_byindex(upl_t, uint32_t, upl_offset_t*, upl_s
 extern upl_t vector_upl_subupl_byindex(upl_t , uint32_t);
 extern upl_t vector_upl_subupl_byoffset(upl_t , upl_offset_t*, upl_size_t*);
 
 extern upl_t vector_upl_subupl_byindex(upl_t , uint32_t);
 extern upl_t vector_upl_subupl_byoffset(upl_t , upl_offset_t*, upl_size_t*);
 
+extern void vm_object_set_pmap_cache_attr(
+               vm_object_t             object,
+               upl_page_info_array_t   user_page_list,
+               unsigned int            num_pages,
+               boolean_t               batch_pmap_op);
+
 extern kern_return_t vm_object_iopl_request(
        vm_object_t             object,
        vm_object_offset_t      offset,
 extern kern_return_t vm_object_iopl_request(
        vm_object_t             object,
        vm_object_offset_t      offset,
@@ -381,13 +408,14 @@ extern void vm_page_decrypt(
        vm_page_t               page,
        vm_map_offset_t         kernel_map_offset);
 extern kern_return_t vm_paging_map_object(
        vm_page_t               page,
        vm_map_offset_t         kernel_map_offset);
 extern kern_return_t vm_paging_map_object(
-       vm_map_offset_t         *address,
        vm_page_t               page,
        vm_object_t             object,
        vm_object_offset_t      offset,
        vm_page_t               page,
        vm_object_t             object,
        vm_object_offset_t      offset,
-       vm_map_size_t           *size,
        vm_prot_t               protection,
        vm_prot_t               protection,
-       boolean_t               can_unlock_object);
+       boolean_t               can_unlock_object,
+       vm_map_size_t           *size,          /* IN/OUT */
+       vm_map_offset_t         *address,       /* OUT */
+       boolean_t               *need_unmap);   /* OUT */
 extern void vm_paging_unmap_object(
        vm_object_t             object,
        vm_map_offset_t         start,
 extern void vm_paging_unmap_object(
        vm_object_t             object,
        vm_map_offset_t         start,
@@ -399,7 +427,7 @@ decl_simple_lock_data(extern, vm_paging_lock)
  */
 extern unsigned int    vm_backing_store_low;
 
  */
 extern unsigned int    vm_backing_store_low;
 
-extern void vm_pageout_queue_steal(
+extern void vm_pageout_steal_laundry(
        vm_page_t page, 
        boolean_t queues_locked);
        
        vm_page_t page, 
        boolean_t queues_locked);
        
@@ -455,10 +483,33 @@ struct vm_page_stats_reusable {
        uint64_t        reuse_pages_failure;
        uint64_t        can_reuse_success;
        uint64_t        can_reuse_failure;
        uint64_t        reuse_pages_failure;
        uint64_t        can_reuse_success;
        uint64_t        can_reuse_failure;
+       uint64_t        reusable_reclaimed;
 };
 extern struct vm_page_stats_reusable vm_page_stats_reusable;
        
 extern int hibernate_flush_memory(void);
 };
 extern struct vm_page_stats_reusable vm_page_stats_reusable;
        
 extern int hibernate_flush_memory(void);
+extern void hibernate_create_paddr_map(void);
+
+extern int vm_compressor_mode;
+extern int vm_compressor_thread_count;
+
+#define VM_PAGER_DEFAULT                               0x1     /* Use default pager. */
+#define VM_PAGER_COMPRESSOR_NO_SWAP                    0x2     /* In-core compressor only. */
+#define VM_PAGER_COMPRESSOR_WITH_SWAP                  0x4     /* In-core compressor + swap backend. */
+#define VM_PAGER_FREEZER_DEFAULT                       0x8     /* Freezer backed by default pager.*/
+#define VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP            0x10    /* Freezer backed by in-core compressor only i.e. frozen data remain in-core compressed.*/
+#define VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP          0x20    /* Freezer backed by in-core compressor with swap support too.*/
+
+#define VM_PAGER_MAX_MODES                             6       /* Total number of vm compressor modes supported */
+
+#define DEFAULT_PAGER_IS_ACTIVE                ((vm_compressor_mode & VM_PAGER_DEFAULT) == VM_PAGER_DEFAULT)
+
+#define COMPRESSED_PAGER_IS_ACTIVE     (vm_compressor_mode & (VM_PAGER_COMPRESSOR_NO_SWAP | VM_PAGER_COMPRESSOR_WITH_SWAP))
+
+#define DEFAULT_FREEZER_IS_ACTIVE      ((vm_compressor_mode & VM_PAGER_FREEZER_DEFAULT) == VM_PAGER_FREEZER_DEFAULT)
+
+#define DEFAULT_FREEZER_COMPRESSED_PAGER_IS_ACTIVE             (vm_compressor_mode & (VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP | VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP))
+
 
 #endif /* KERNEL_PRIVATE */
 
 
 #endif /* KERNEL_PRIVATE */
 
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