1/* 2 * Copyright (c) 2003-2008 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * Machine independent per processor data. 30 */ 31 32#ifndef _KERN_PROCESSOR_DATA_H_ 33#define _KERN_PROCESSOR_DATA_H_ 34 35/* 36 * #include kern/processor.h instead of this file. 37 */ 38 39#ifdef MACH_KERNEL_PRIVATE 40 41#include <ipc/ipc_kmsg.h> 42#include <kern/timer.h> 43 44struct processor_data { 45 /* Processor state statistics */ 46 timer_data_t idle_state; 47 timer_data_t system_state; 48 timer_data_t user_state; 49 50 timer_t current_state; 51 52 /* Thread execution timers */ 53 timer_t thread_timer; 54 timer_t kernel_timer; 55 56 /* Kernel stack cache */ 57 struct stack_cache { 58 vm_offset_t free; 59 unsigned int count; 60 } stack_cache; 61 62 /* VM event counters */ 63 vm_statistics_data_t vm_stat; 64 65 /* IPC free message cache */ 66 struct ikm_cache { 67#define IKM_STASH 16 68 ipc_kmsg_t entries[IKM_STASH]; 69 unsigned int avail; 70 } ikm_cache; 71 72 unsigned long page_grab_count; 73 int start_color; 74 void *free_pages; 75}; 76 77typedef struct processor_data processor_data_t; 78 79#define PROCESSOR_DATA(processor, member) \ 80 (processor)->processor_data.member 81 82extern void processor_data_init( 83 processor_t processor); 84 85#endif /* MACH_KERNEL_PRIVATE */ 86 87#endif /* _KERN_PROCESSOR_DATA_H_ */ 88