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 | |