1 /* 2 * Copyright (c) 2021 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 #pragma once 30 31 #include <stdbool.h> 32 #include <stddef.h> 33 #include <stdint.h> 34 #include <sys/queue.h> 35 36 struct kdp_output_stage; 37 38 struct kdp_core_out_state { 39 STAILQ_HEAD(, kdp_output_stage) kcos_out_stage; 40 struct kdp_output_stage * kcos_encryption_stage; 41 bool kcos_enforce_encryption; 42 uint64_t kcos_totalbytes; 43 uint64_t kcos_bytes_written; 44 uint64_t kcos_lastpercent; 45 kern_return_t kcos_error; 46 }; 47 48 struct kdp_output_stage_funcs { 49 void (*kosf_reset)(struct kdp_output_stage *stage); 50 kern_return_t (*kosf_outproc)(struct kdp_output_stage *stage, unsigned int request, 51 char *corename, uint64_t length, void *panic_data); 52 void (*kosf_free)(struct kdp_output_stage *stage); 53 }; 54 55 struct kdp_output_stage { 56 STAILQ_ENTRY(kdp_output_stage) kos_next; 57 bool kos_initialized; 58 struct kdp_core_out_state * kos_outstate; 59 struct kdp_output_stage_funcs kos_funcs; 60 uint64_t kos_bytes_written; // bytes written since the last call to reset() 61 bool kos_bypass; 62 void * kos_data; 63 size_t kos_data_size; 64 }; 65