xref: /xnu-8020.101.4/osfmk/kern/ecc.h (revision e7776783b89a353188416a9a346c6cdb4928faad)
1 #if !defined(_KERN_ECC_H)
2 #define _KERN_ECC_H
3 
4 #include <sys/cdefs.h>
5 
6 __BEGIN_DECLS
7 
8 /*
9  * Copyright (c) 2013 Apple Inc. All rights reserved.
10  *
11  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
12  *
13  * This file contains Original Code and/or Modifications of Original Code
14  * as defined in and that are subject to the Apple Public Source License
15  * Version 2.0 (the 'License'). You may not use this file except in
16  * compliance with the License. The rights granted to you under the License
17  * may not be used to create, or enable the creation or redistribution of,
18  * unlawful or unlicensed copies of an Apple operating system, or to
19  * circumvent, violate, or enable the circumvention or violation of, any
20  * terms of an Apple operating system software license agreement.
21  *
22  * Please obtain a copy of the License at
23  * http://www.opensource.apple.com/apsl/ and read it before using this file.
24  *
25  * The Original Code and all software distributed under the License are
26  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
27  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
28  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
29  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
30  * Please see the License for the specific language governing rights and
31  * limitations under the License.
32  *
33  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
34  */
35 
36 #define ECC_EVENT_INFO_DATA_ENTRIES     8
37 struct ecc_event {
38 	uint8_t         id;     // ID of memory (e.g. L2C), platform-specific
39 	uint8_t         count;  // Of uint64_t's used, starting at index 0
40 	uint64_t        data[ECC_EVENT_INFO_DATA_ENTRIES] __attribute__((aligned(8))); // Event-specific data
41 };
42 
43 
44 #ifdef KERNEL_PRIVATE
45 extern kern_return_t    ecc_log_record_event(const struct ecc_event *ev);
46 #endif
47 
48 #ifdef XNU_KERNEL_PRIVATE
49 extern kern_return_t    ecc_log_get_next_event(struct ecc_event *ev);
50 extern uint32_t         ecc_log_get_correction_count(void);
51 #endif
52 
53 __END_DECLS
54 
55 #endif /* !defined(_KERN_ECC_H) */
56