X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d9a64523371fa019c4575bb400cbbc3a50ac9903..c3c9b80d004dbbfdf763edeb97968c6997e3b45b:/osfmk/kern/ledger.h?ds=inline diff --git a/osfmk/kern/ledger.h b/osfmk/kern/ledger.h index 78eb4f848..9fdc93f84 100644 --- a/osfmk/kern/ledger.h +++ b/osfmk/kern/ledger.h @@ -2,7 +2,7 @@ * Copyright (c) 2010-2018 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 @@ -11,10 +11,10 @@ * 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@ */ /* @@ -32,27 +32,31 @@ #ifndef _KERN_LEDGER_H_ #define _KERN_LEDGER_H_ -#include /* ledger_t */ +#include /* ledger_t */ -#define LEDGER_INFO 0 -#define LEDGER_ENTRY_INFO 1 -#define LEDGER_TEMPLATE_INFO 2 -#define LEDGER_LIMIT 3 +#ifdef MACH_KERNEL_PRIVATE +#include +#endif /* MACH_KERNEL_PRIVATE */ + +#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_MAX_CMD LEDGER_LIMIT -#define LEDGER_NAME_MAX 32 +#define LEDGER_NAME_MAX 32 struct ledger_info { - char li_name[LEDGER_NAME_MAX]; - int64_t li_id; - int64_t li_entries; + char li_name[LEDGER_NAME_MAX]; + int64_t li_id; + int64_t li_entries; }; struct ledger_template_info { - char lti_name[LEDGER_NAME_MAX]; - char lti_group[LEDGER_NAME_MAX]; - char lti_units[LEDGER_NAME_MAX]; + char lti_name[LEDGER_NAME_MAX]; + char lti_group[LEDGER_NAME_MAX]; + char lti_units[LEDGER_NAME_MAX]; }; #ifdef MACH_KERNEL_PRIVATE @@ -68,8 +72,9 @@ struct ledger_template_info { */ struct ledger_entry { volatile uint32_t le_flags; +#define LEDGER_PERCENT_NONE UINT16_MAX + uint16_t le_warn_percent; ledger_amount_t le_limit; - ledger_amount_t le_warn_level; volatile ledger_amount_t le_credit __attribute__((aligned(8))); volatile ledger_amount_t le_debit __attribute__((aligned(8))); union { @@ -92,7 +97,7 @@ struct ledger_entry { struct ledger { uint64_t l_id; - int32_t l_refs; + os_refcnt_t l_refs; int32_t l_size; struct ledger_template *l_template; struct ledger_entry l_entries[0] __attribute__((aligned(8))); @@ -100,100 +105,99 @@ struct ledger { #endif /* MACH_KERNEL_PRIVATE */ 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 nanoseconds */ - uint64_t lei_last_refill; /* Time since last refill */ + 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 */ }; struct ledger_limit_args { - char lla_name[LEDGER_NAME_MAX]; - uint64_t lla_limit; - uint64_t lla_refill_period; + char lla_name[LEDGER_NAME_MAX]; + uint64_t lla_limit; + uint64_t lla_refill_period; }; -#ifdef KERNEL_PRIVATE +#ifdef KERNEL_PRIVATE typedef struct ledger_template *ledger_template_t; -#define LEDGER_VALID(ledger) (ledger != LEDGER_NULL) +#define LEDGER_VALID(ledger) (ledger != LEDGER_NULL) /* Action to take when a ledger goes into deficit */ -#define LEDGER_ACTION_IGNORE 0x0000 -#define LEDGER_ACTION_BLOCK 0x0010 -#define LEDGER_ACTION_CALLBACK 0x0020 -#define LEDGER_ACTION_MASK 0x00f0 +#define LEDGER_ACTION_IGNORE 0x0000 +#define LEDGER_ACTION_BLOCK 0x0010 +#define LEDGER_ACTION_CALLBACK 0x0020 +#define LEDGER_ACTION_MASK 0x00f0 /* * Types of warnings that trigger a callback. */ -#define LEDGER_WARNING_ROSE_ABOVE 1 -#define LEDGER_WARNING_DIPPED_BELOW 2 +#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); - extern ledger_template_t ledger_template_create(const char *name); +extern ledger_template_t ledger_template_copy(ledger_template_t template, const char *name); extern void ledger_template_dereference(ledger_template_t template); 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); + 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); + int period_in_secs); extern kern_return_t ledger_panic_on_negative(ledger_template_t template, - int entry); + int entry); extern kern_return_t ledger_track_credit_only(ledger_template_t template, - int entry); + int entry); extern int ledger_key_lookup(ledger_template_t template, const char *key); /* value of entry type */ -#define LEDGER_CREATE_ACTIVE_ENTRIES 0 -#define LEDGER_CREATE_INACTIVE_ENTRIES 1 +#define LEDGER_CREATE_ACTIVE_ENTRIES 0 +#define LEDGER_CREATE_INACTIVE_ENTRIES 1 extern ledger_t ledger_instantiate(ledger_template_t template, int entry_type); extern void ledger_template_complete(ledger_template_t template); extern void ledger_template_complete_secure_alloc(ledger_template_t template); extern kern_return_t ledger_disable_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); + ledger_amount_t *limit); extern kern_return_t ledger_set_limit(ledger_t ledger, int entry, - ledger_amount_t limit, uint8_t warn_level_percentage); + ledger_amount_t limit, uint8_t warn_level_percentage); #if CONFIG_LEDGER_INTERVAL_MAX extern kern_return_t ledger_get_interval_max(ledger_t ledger, int entry, - ledger_amount_t *max_interval_balance, int reset); + ledger_amount_t *max_interval_balance, int reset); #endif /* CONFIG_LEDGER_INTERVAL_MAX */ extern kern_return_t ledger_get_lifetime_max(ledger_t ledger, int entry, - ledger_amount_t *max_lifetime_balance); + ledger_amount_t *max_lifetime_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); + uint64_t *period); extern kern_return_t ledger_set_period(ledger_t ledger, int entry, - uint64_t period); + 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(thread_t thread, ledger_t ledger, int entry); extern kern_return_t ledger_credit(ledger_t ledger, int entry, - ledger_amount_t amount); + ledger_amount_t amount); extern kern_return_t ledger_credit_nocheck(ledger_t ledger, int entry, - ledger_amount_t amount); + ledger_amount_t amount); extern kern_return_t ledger_debit(ledger_t ledger, int entry, - ledger_amount_t amount); + ledger_amount_t amount); extern kern_return_t ledger_debit_nocheck(ledger_t ledger, int entry, - ledger_amount_t amount); + ledger_amount_t amount); extern kern_return_t ledger_credit_thread(thread_t thread, ledger_t ledger, - int entry, ledger_amount_t amount); + int entry, ledger_amount_t amount); extern kern_return_t ledger_debit_thread(thread_t thread, ledger_t ledger, - int entry, ledger_amount_t amount); + 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); + ledger_amount_t *credit, ledger_amount_t *debit); extern kern_return_t ledger_get_balance(ledger_t ledger, int entry, - ledger_amount_t *balance); + 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_get_panic_on_negative(ledger_t ledger, int entry, int *panic_on_negative); @@ -203,9 +207,8 @@ extern kern_return_t ledger_rollup_entry(ledger_t to_ledger, ledger_t from_ledge extern void ledger_ast(thread_t thread); -extern int ledger_reference_count(ledger_t ledger); -extern kern_return_t ledger_reference(ledger_t ledger); -extern kern_return_t ledger_dereference(ledger_t ledger); +extern void ledger_reference(ledger_t ledger); +extern void ledger_dereference(ledger_t ledger); /* Support for ledger() syscall */ #ifdef LEDGER_DEBUG @@ -213,15 +216,15 @@ 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 +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); + struct ledger_entry_info *lei); extern int ledger_template_info(void **buf, int *len); #endif /* KERNEL_PRIVATE */ -#endif /* _KERN_LEDGER_H_ */ +#endif /* _KERN_LEDGER_H_ */