1/* 2 * Copyright (c) 2003-2007 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#ifndef _I386_CHUD_XNU_PRIVATE_H_ 30#define _I386_CHUD_XNU_PRIVATE_H_ 31 32#include <kern/queue.h> 33 34#if 0 35#pragma mark **** cpu timer **** 36#endif 37 38/* 39 * Cross-cpu signal request entries are queued on the target cpu's 40 * chudcpu_data_t struct. This differs from PPC because i386 doesn't 41 * support sending arguments with cross-cpu signals. Hence we have 42 * to do it ourselves. 43 */ 44typedef struct { 45 struct queue_entry req_entry; /* Must be first */ 46 uint32_t req_type; 47 uint32_t req_code; 48 volatile uint32_t req_sync; 49} chudcpu_signal_request_t; 50 51typedef struct { 52 void *cpu_chud_fn_tablep; 53 timer_call_data_t cpu_timer_call; 54 uint64_t t_deadline; 55 chudxnu_cpu_timer_callback_func_t cpu_timer_callback_fn; 56 mpqueue_head_t cpu_request_queue; 57} chudcpu_data_t; 58/* NB: cpu_chud_fn_tablep is expected to be the first member, at offset 0 */ 59 60extern void chudxnu_cpu_signal_handler(void); 61 62#endif /* _I386_CHUD_XNU_PRIVATE_H_ */ 63