1*f6217f89SApple OSS Distributions /* 2*f6217f89SApple OSS Distributions * Copyright (c) 2015 Apple Inc. All rights reserved. 3*f6217f89SApple OSS Distributions * 4*f6217f89SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*f6217f89SApple OSS Distributions * 6*f6217f89SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*f6217f89SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*f6217f89SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*f6217f89SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*f6217f89SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*f6217f89SApple OSS Distributions * file. 12*f6217f89SApple OSS Distributions * 13*f6217f89SApple OSS Distributions * The Original Code and all software distributed under the License are 14*f6217f89SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*f6217f89SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*f6217f89SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*f6217f89SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*f6217f89SApple OSS Distributions * Please see the License for the specific language governing rights and 19*f6217f89SApple OSS Distributions * limitations under the License. 20*f6217f89SApple OSS Distributions * 21*f6217f89SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*f6217f89SApple OSS Distributions */ 23*f6217f89SApple OSS Distributions 24*f6217f89SApple OSS Distributions #ifndef __firehose_h 25*f6217f89SApple OSS Distributions #define __firehose_h 26*f6217f89SApple OSS Distributions 27*f6217f89SApple OSS Distributions __BEGIN_DECLS 28*f6217f89SApple OSS Distributions 29*f6217f89SApple OSS Distributions /*! 30*f6217f89SApple OSS Distributions * @function __firehose_buffer_push_to_logd 31*f6217f89SApple OSS Distributions * 32*f6217f89SApple OSS Distributions * @abstract 33*f6217f89SApple OSS Distributions * Called by the dispatch firehose apis to notify logd that a chunk is available 34*f6217f89SApple OSS Distributions */ 35*f6217f89SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 36*f6217f89SApple OSS Distributions void __firehose_buffer_push_to_logd(firehose_buffer_t fb, bool for_io); 37*f6217f89SApple OSS Distributions 38*f6217f89SApple OSS Distributions /*! 39*f6217f89SApple OSS Distributions * @function __firehose_allocate 40*f6217f89SApple OSS Distributions * 41*f6217f89SApple OSS Distributions * @abstract 42*f6217f89SApple OSS Distributions * Wrapper to allocate kernel memory 43*f6217f89SApple OSS Distributions */ 44*f6217f89SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 45*f6217f89SApple OSS Distributions void __firehose_allocate(vm_offset_t *addr, vm_size_t size); 46*f6217f89SApple OSS Distributions 47*f6217f89SApple OSS Distributions /*! 48*f6217f89SApple OSS Distributions * @function __firehose_critical_region_enter 49*f6217f89SApple OSS Distributions * 50*f6217f89SApple OSS Distributions * @abstract 51*f6217f89SApple OSS Distributions * Function that disables preemption 52*f6217f89SApple OSS Distributions */ 53*f6217f89SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 54*f6217f89SApple OSS Distributions extern void __firehose_critical_region_enter(void); 55*f6217f89SApple OSS Distributions 56*f6217f89SApple OSS Distributions /*! 57*f6217f89SApple OSS Distributions * @function __firehose_critical_region_leave 58*f6217f89SApple OSS Distributions * 59*f6217f89SApple OSS Distributions * @abstract 60*f6217f89SApple OSS Distributions * Function that enables preemption 61*f6217f89SApple OSS Distributions */ 62*f6217f89SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 63*f6217f89SApple OSS Distributions extern void __firehose_critical_region_leave(void); 64*f6217f89SApple OSS Distributions 65*f6217f89SApple OSS Distributions extern void oslogwakeup(void); 66*f6217f89SApple OSS Distributions 67*f6217f89SApple OSS Distributions __END_DECLS 68*f6217f89SApple OSS Distributions 69*f6217f89SApple OSS Distributions #endif /* __firehose_h */ 70