* 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,
* 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@
*/
/* only kernel-private interfaces */
#ifdef XNU_KERNEL_PRIVATE
#include <mach/coalition.h>
+#include <kern/thread_group.h>
#if CONFIG_COALITIONS
*
*/
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]);
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.
* 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;
}