osfmk/kern/ecc.h

   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) */