xnu-3789.51.2.tar.gz

[apple/xnu.git] / osfmk / kern / ledger.h

diff --git a/osfmk/kern/ledger.h b/osfmk/kern/ledger.h
index 98278168663443cd6f417b2e3b776b03755cf10a..5d1c6818f9634e35c72b62a7b171c66952229b9c 100644 (file)
--- a/osfmk/kern/ledger.h
+++ b/osfmk/kern/ledger.h
@@ -32,10 +32,14 @@
 #ifndef _KERN_LEDGER_H_
 #define _KERN_LEDGER_H_
 
+#include <mach/mach_types.h>   /* ledger_t */
+
 #define        LEDGER_INFO             0
 #define        LEDGER_ENTRY_INFO       1
 #define        LEDGER_TEMPLATE_INFO    2
 #define        LEDGER_LIMIT            3
+/* LEDGER_MAX_CMD always tracks the index of the last ledger command. */
+#define        LEDGER_MAX_CMD          LEDGER_LIMIT
 
 #define        LEDGER_NAME_MAX 32
 
@@ -52,11 +56,11 @@ struct ledger_template_info {
 };
 
 struct ledger_entry_info {
-        int64_t                lei_balance;
-        int64_t                lei_credit;
-        int64_t                lei_debit;
-        uint64_t       lei_limit;
-       uint64_t        lei_refill_period;      /* In milliseconds */
+       int64_t         lei_balance;
+       int64_t         lei_credit;
+       int64_t         lei_debit;
+       uint64_t        lei_limit;
+       uint64_t        lei_refill_period;      /* In nanoseconds */
        uint64_t        lei_last_refill;        /* Time since last refill */
 };
 
@@ -75,11 +79,16 @@ typedef struct ledger_template *ledger_template_t;
 /* Action to take when a ledger goes into deficit */
 #define        LEDGER_ACTION_IGNORE    0x0000
 #define        LEDGER_ACTION_BLOCK     0x0010
-#define        LEDGER_ACTION_EXCEPTION 0x0020
-#define        LEDGER_ACTION_CALLBACK  0x0040
+#define        LEDGER_ACTION_CALLBACK  0x0020
 #define        LEDGER_ACTION_MASK      0x00f0
 
-typedef void (*ledger_callback_t)(const void * param0, const void *param1);
+/*
+ * Types of warnings that trigger a callback.
+ */
+#define        LEDGER_WARNING_ROSE_ABOVE       1
+#define        LEDGER_WARNING_DIPPED_BELOW     2
+
+typedef void (*ledger_callback_t)(int warning, const void * param0, const void *param1);
 
 extern void ledger_init(void);
 
@@ -89,6 +98,12 @@ extern int ledger_entry_add(ledger_template_t template, const char *key,
     const char *group, const char *units);
 extern kern_return_t ledger_set_callback(ledger_template_t template, int entry,
        ledger_callback_t callback, const void *param0, const void *param1);
+extern kern_return_t ledger_track_maximum(ledger_template_t template, int entry,
+       int period_in_secs);
+extern kern_return_t ledger_panic_on_negative(ledger_template_t template,
+                                             int entry);
+extern kern_return_t ledger_track_credit_only(ledger_template_t template,
+                                             int entry);
 extern int ledger_key_lookup(ledger_template_t template, const char *key);
 
 /* value of entry type */
@@ -96,22 +111,38 @@ extern int ledger_key_lookup(ledger_template_t template, const char *key);
 #define        LEDGER_CREATE_INACTIVE_ENTRIES  1
 extern ledger_t ledger_instantiate(ledger_template_t template, int entry_type);
 extern kern_return_t ledger_disable_callback(ledger_t ledger, int entry);
-extern kern_return_t ledger_reset_callback(ledger_t ledger, int entry);
+extern kern_return_t ledger_enable_callback(ledger_t ledger, int entry);
+extern kern_return_t ledger_get_limit(ledger_t ledger, int entry,
+       ledger_amount_t *limit);
 extern kern_return_t ledger_set_limit(ledger_t ledger, int entry,
-       ledger_amount_t limit);
+       ledger_amount_t limit, uint8_t warn_level_percentage);
+extern kern_return_t ledger_get_maximum(ledger_t ledger, int entry,
+       ledger_amount_t *max_observed_balance);
+extern kern_return_t ledger_get_actions(ledger_t ledger, int entry, int *actions);
 extern kern_return_t ledger_set_action(ledger_t ledger, int entry, int action);
+extern kern_return_t ledger_get_period(ledger_t ledger, int entry,
+    uint64_t *period);
 extern kern_return_t ledger_set_period(ledger_t ledger, int entry,
     uint64_t period);
+extern kern_return_t ledger_disable_refill(ledger_t l, int entry);
 extern kern_return_t ledger_entry_setactive(ledger_t ledger, int entry);
+extern void ledger_check_new_balance(ledger_t ledger, int entry);
 extern kern_return_t ledger_credit(ledger_t ledger, int entry,
        ledger_amount_t amount);
 extern kern_return_t ledger_debit(ledger_t ledger, int entry,
        ledger_amount_t amount);
+extern kern_return_t ledger_zero_balance(ledger_t ledger, int entry);
 extern kern_return_t ledger_get_entries(ledger_t ledger, int entry,
        ledger_amount_t *credit, ledger_amount_t *debit);
+extern kern_return_t ledger_get_balance(ledger_t ledger, int entry,
+       ledger_amount_t *balance);
+extern kern_return_t ledger_reset_callback_state(ledger_t ledger, int entry);
+extern kern_return_t ledger_disable_panic_on_negative(ledger_t ledger, int entry);
+
+extern kern_return_t ledger_rollup(ledger_t to_ledger, ledger_t from_ledger);
+extern kern_return_t ledger_rollup_entry(ledger_t to_ledger, ledger_t from_ledger, int entry);
 
 extern void ledger_ast(thread_t thread);
-extern void set_astledger(thread_t thread);
 
 extern int ledger_reference_count(ledger_t ledger);
 extern kern_return_t ledger_reference(ledger_t ledger);
@@ -126,7 +157,14 @@ extern kern_return_t ledger_dereference(ledger_t ledger);
 extern int ledger_limit(task_t task, struct ledger_limit_args *args);
 #endif
 extern int ledger_info(task_t task, struct ledger_info *info);
-extern int ledger_entry_info(task_t task, void **buf, int *len);
+
+extern int 
+ledger_get_task_entry_info_multiple(task_t task, void **buf, int *len);
+
+extern void
+ledger_get_entry_info(ledger_t ledger, int entry,
+                      struct ledger_entry_info *lei);
+
 extern int ledger_template_info(void **buf, int *len);
 
 #endif /* KERNEL_PRIVATE */