]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/kern/coalition.h
xnu-7195.101.1.tar.gz
[apple/xnu.git] / osfmk / kern / coalition.h
index 87962bd8b16e13543031d9e23fb32606d1e04bbc..9d6fb4937e4fec988261f7c9ca6002334aaa63e6 100644 (file)
@@ -2,7 +2,7 @@
  * Copyright (c) 2013 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
@@ -32,6 +32,7 @@
 /* only kernel-private interfaces */
 #ifdef XNU_KERNEL_PRIVATE
 #include <mach/coalition.h>
+#include <kern/thread_group.h>
 
 #if CONFIG_COALITIONS
 
@@ -55,7 +56,7 @@ void          task_release_coalitions(task_t task);
  *
  */
 kern_return_t coalitions_set_roles(coalition_t coalitions[COALITION_NUM_TYPES],
-                                  task_t task, int roles[COALITION_NUM_TYPES]);
+    task_t task, int roles[COALITION_NUM_TYPES]);
 
 uint64_t coalition_id(coalition_t coal);
 void     task_coalition_ids(task_t task, uint64_t ids[COALITION_NUM_TYPES]);
@@ -63,13 +64,40 @@ void     task_coalition_roles(task_t task, int roles[COALITION_NUM_TYPES]);
 int      coalition_type(coalition_t coal);
 
 void     task_coalition_update_gpu_stats(task_t task, uint64_t gpu_ns_delta);
-uint32_t task_coalition_adjust_focal_count(task_t task, int count);
+boolean_t task_coalition_adjust_focal_count(task_t task, int count, uint32_t *new_count);
 uint32_t task_coalition_focal_count(task_t task);
-uint32_t task_coalition_adjust_nonfocal_count(task_t task, int count);
+boolean_t task_coalition_adjust_nonfocal_count(task_t task, int count, uint32_t *new_count);
 uint32_t task_coalition_nonfocal_count(task_t task);
+struct thread_group *task_coalition_get_thread_group(task_t task);
+void     coalition_set_thread_group(coalition_t coal, struct thread_group *tg);
+struct thread_group *kdp_coalition_get_thread_group(coalition_t coal);
+struct thread_group *coalition_get_thread_group(coalition_t coal);
+void task_coalition_thread_group_focal_update(task_t task);
 
 void coalition_for_each_task(coalition_t coal, void *ctx,
-                            void (*callback)(coalition_t, void *, task_t));
+    void (*callback)(coalition_t, void *, task_t));
+
+void coalition_set_efficient(coalition_t coal);
+
+/*  Coalition ledger  */
+struct coalition_ledger_indices {
+       int logical_writes;
+};
+void init_coalition_ledgers(void);
+int coalition_ledger_set_logical_writes_limit(coalition_t coal, int64_t limit);
+void coalition_io_monitor_ctl(struct coalition *coalition, uint32_t flags, int64_t limit);
+ledger_t coalition_ledger_get_from_task(task_t task);
+void coalition_io_rate_exceeded(int warning, const void *param0, __unused const void *param1);
+void coalition_io_ledger_update(task_t task, int32_t flavor, boolean_t is_credit, uint32_t io_size);
+
+/* Max limit for coalition logical_writes ledger in MB. Setting to 16 TB */
+#define COALITION_MAX_LOGICAL_WRITES_LIMIT ((ledger_amount_t)(1ULL << 24))
+/* logical_writes ledger's refill time interval */
+#define COALITION_LEDGER_MONITOR_INTERVAL_SECS (24 * 60 * 60)
+
+
+typedef void (*coalition_iterate_fn_t)(void*, int, coalition_t);
+kern_return_t coalition_iterate_stackshot(coalition_iterate_fn_t callout, void *arg, uint32_t coalition_type);
 
 /* Returns with a reference, or COALITION_NULL.
  * There is no coalition with id 0.
@@ -110,49 +138,61 @@ kern_return_t coalition_request_terminate_internal(coalition_t coal);
  * KERN_RESOURCE_SHORTAGE      Unable to allocate kernel resources for a
  *                             new coalition.
  */
-kern_return_t coalition_create_internal(int type, boolean_t privileged, coalition_t *out);
+kern_return_t coalition_create_internal(int type, int role, boolean_t privileged, coalition_t *out, uint64_t *cid);
 
+boolean_t coalition_term_requested(coalition_t coal);
+boolean_t coalition_is_terminated(coalition_t coal);
+boolean_t coalition_is_reaped(coalition_t coal);
 boolean_t coalition_is_privileged(coalition_t coal);
 boolean_t task_is_in_privileged_coalition(task_t task, int type);
 
 kern_return_t coalition_resource_usage_internal(coalition_t coal, struct coalition_resource_usage *cru_out);
 
+task_t kdp_coalition_get_leader(coalition_t coal);
+
 /*
  * development/debug interfaces
  */
-#if defined(DEVELOPMENT) || defined(DEBUG)
+#if DEVELOPMENT || DEBUG
 int coalition_should_notify(coalition_t coal);
 void coalition_set_notify(coalition_t coal, int notify);
 #endif
 
 #else /* !CONFIG_COALITIONS */
 
-static inline void task_coalition_update_gpu_stats(__unused task_t task,
-                                                  __unused uint64_t gpu_ns_delta)
+static inline void
+task_coalition_update_gpu_stats(__unused task_t task,
+    __unused uint64_t gpu_ns_delta)
 {
        return;
 }
 
-static inline uint32_t task_coalition_adjust_focal_count(__unused task_t task,
-                                                        __unused int count)
+static inline boolean_t
+task_coalition_adjust_focal_count(__unused task_t task,
+    __unused int count,
+    __unused uint32_t *new_count)
 {
-       return 0;
+       return FALSE;
 }
 
-static inline uint32_t task_coalition_adjust_nonfocal_count(__unused task_t task,
-                                                           __unused int count)
+static inline boolean_t
+task_coalition_adjust_nonfocal_count(__unused task_t task,
+    __unused int count,
+    __unused uint32_t *new_count)
 {
-       return 0;
+       return FALSE;
 }
 
-static inline uint32_t task_coalition_focal_count(__unused task_t task)
+static inline uint32_t
+task_coalition_focal_count(__unused task_t task)
 {
        return 0;
 }
 
-static inline void coalition_for_each_task(__unused coalition_t coal,
-                                          __unused void *ctx,
-                                          __unused void (*callback)(coalition_t, void *, task_t))
+static inline void
+coalition_for_each_task(__unused coalition_t coal,
+    __unused void *ctx,
+    __unused void (*callback)(coalition_t, void *, task_t))
 {
        return;
 }