xnu-4903.221.2.tar.gz

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

diff --git a/osfmk/vm/pmap.h b/osfmk/vm/pmap.h
index 4916313ce81a1fc168278e660e8273016c7e46c8..e70231c438e5dfb133afd56a3bf7ad9166d1b585 100644 (file)
--- a/osfmk/vm/pmap.h
+++ b/osfmk/vm/pmap.h
@@ -74,6 +74,8 @@
 #include <mach/boolean.h>
 #include <mach/vm_prot.h>
 
 #include <mach/boolean.h>
 #include <mach/vm_prot.h>
 

+#include <kern/trustcache.h>
+

 #ifdef KERNEL_PRIVATE
 
 /*
 #ifdef KERNEL_PRIVATE
 
 /*


@@ -431,7 +433,7 @@ extern kern_return_t        (pmap_attribute)(       /* Get/Set special memory
        if (__obj->internal) {                                          \
                __options |= PMAP_OPTIONS_INTERNAL;                     \
        }                                                               \
        if (__obj->internal) {                                          \
                __options |= PMAP_OPTIONS_INTERNAL;                     \
        }                                                               \

-       if (__page->reusable || __obj->all_reusable) {                  \
+       if (__page->vmp_reusable || __obj->all_reusable) {              \

                __options |= PMAP_OPTIONS_REUSABLE;                     \
        }                                                               \
        result = pmap_enter_options(__pmap,                             \
                __options |= PMAP_OPTIONS_REUSABLE;                     \
        }                                                               \
        result = pmap_enter_options(__pmap,                             \


@@ -460,7 +462,7 @@ extern kern_return_t        (pmap_attribute)(       /* Get/Set special memory
        if (__obj->internal) {                                          \
                __extra_options |= PMAP_OPTIONS_INTERNAL;               \
        }                                                               \
        if (__obj->internal) {                                          \
                __extra_options |= PMAP_OPTIONS_INTERNAL;               \
        }                                                               \

-       if (__page->reusable || __obj->all_reusable) {                  \
+       if (__page->vmp_reusable || __obj->all_reusable) {              \

                __extra_options |= PMAP_OPTIONS_REUSABLE;               \
        }                                                               \
        result = pmap_enter_options(__pmap,                             \
                __extra_options |= PMAP_OPTIONS_REUSABLE;               \
        }                                                               \
        result = pmap_enter_options(__pmap,                             \


@@ -547,7 +549,7 @@ extern kern_return_t        (pmap_attribute)(       /* Get/Set special memory
 
 #define PMAP_ENTER_CHECK(pmap, page)                                   \
 {                                                                      \
 
 #define PMAP_ENTER_CHECK(pmap, page)                                   \
 {                                                                      \

-       if ((page)->error) {                                            \
+       if ((page)->vmp_error) {                                        \

                panic("VM page %p should not have an error\n",          \
                        (page));                                        \
        }                                                               \
                panic("VM page %p should not have an error\n",          \
                        (page));                                        \
        }                                                               \


@@ -688,6 +690,7 @@ extern pmap_t       kernel_pmap;                    /* The kernel's map */
                                                    * iff page was modified */
 #define PMAP_OPTIONS_PROTECT_IMMEDIATE 0x1000  /* allow protections to be
                                                 * be upgraded */
                                                    * iff page was modified */
 #define PMAP_OPTIONS_PROTECT_IMMEDIATE 0x1000  /* allow protections to be
                                                 * be upgraded */

+#define PMAP_OPTIONS_CLEAR_WRITE 0x2000

 
 
 #if    !defined(__LP64__)
 
 
 #if    !defined(__LP64__)


@@ -725,6 +728,21 @@ mach_vm_size_t pmap_query_resident(pmap_t pmap,
 /* Inform the pmap layer that there is a JIT entry in this map. */
 extern void pmap_set_jit_entitled(pmap_t pmap);
 
 /* Inform the pmap layer that there is a JIT entry in this map. */
 extern void pmap_set_jit_entitled(pmap_t pmap);
 

+/*
+ * Tell the pmap layer what range within the nested region the VM intends to
+ * use.
+ */
+extern void pmap_trim(pmap_t grand, pmap_t subord, addr64_t vstart, addr64_t nstart, uint64_t size);
+
+/*
+ * Dump page table contents into the specified buffer.  Returns the number of
+ * bytes copied, 0 if insufficient space, (size_t)-1 if unsupported.
+ * This is expected to only be called from kernel debugger context,
+ * so synchronization is not required.
+ */
+
+extern size_t pmap_dump_page_tables(pmap_t pmap, void *bufp, void *buf_end);
+

 /*
  * Indicates if any special policy is applied to this protection by the pmap
  * layer.
 /*
  * Indicates if any special policy is applied to this protection by the pmap
  * layer.


@@ -735,7 +753,7 @@ bool pmap_has_prot_policy(vm_prot_t prot);
  * Causes the pmap to return any available pages that it can return cheaply to
  * the VM.
  */
  * Causes the pmap to return any available pages that it can return cheaply to
  * the VM.
  */

-void pmap_release_pages_fast(void);
+uint64_t pmap_release_pages_fast(void);

 
 #define PMAP_QUERY_PAGE_PRESENT                        0x01
 #define PMAP_QUERY_PAGE_REUSABLE               0x02
 
 #define PMAP_QUERY_PAGE_PRESENT                        0x01
 #define PMAP_QUERY_PAGE_REUSABLE               0x02


@@ -754,6 +772,11 @@ int pmap_pgtrace_delete_page(pmap_t pmap, vm_map_offset_t start, vm_map_offset_t
 kern_return_t pmap_pgtrace_fault(pmap_t pmap, vm_map_offset_t va, arm_saved_state_t *ss);
 #endif
 
 kern_return_t pmap_pgtrace_fault(pmap_t pmap, vm_map_offset_t va, arm_saved_state_t *ss);
 #endif
 

+
+extern void pmap_ledger_alloc_init(size_t);
+extern ledger_t pmap_ledger_alloc(void);
+extern void pmap_ledger_free(ledger_t);
+

 #endif  /* KERNEL_PRIVATE */
 
 #endif /* _VM_PMAP_H_ */
 #endif  /* KERNEL_PRIVATE */
 
 #endif /* _VM_PMAP_H_ */