Open Menu / bsd / sys / kdebug_triage.h
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/*
 * Copyright (c) 2000-2020 Apple Inc. All rights reserved.
 *
 * @Apple_LICENSE_HEADER_START@
 *
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 *
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef BSD_SYS_KDEBUG_TRIAGE_H
#define BSD_SYS_KDEBUG_TRIAGE_H

int create_buffers_triage(bool);

void delete_buffers_triage(void);

#define KDBG_TRIAGE_CLASS_MASK   (0xff000000)
#define KDBG_TRIAGE_CLASS_OFFSET (24)
#define KDBG_TRIAGE_CLASS_MAX    (0xff)

/* Unused but reserved for future use (possibly for payload encoding) */
#define KDBG_TRIAGE_RESERVED (0)
#define KDBG_TRIAGE_RESERVED_MASK   (0x00ff0000)
#define KDBG_TRIAGE_RESERVED_OFFSET (16)
#define KDBG_TRIAGE_RESERVED_MAX    (0xff)

#define KDBG_TRIAGE_CODE_MASK   (0x0000fffc)
#define KDBG_TRIAGE_CODE_OFFSET (2)
#define KDBG_TRIAGE_CODE_MAX    (0x3fff)

#define KDBG_TRIAGE_EVENTID(Class, Reserved, Code)                \
	(((unsigned)((Class)    &   0xff) << KDBG_TRIAGE_CLASS_OFFSET)    | \
	 ((unsigned)((Reserved) &   0xff) << KDBG_TRIAGE_RESERVED_OFFSET) | \
	 ((unsigned)((Code)     & 0x3fff) << KDBG_TRIAGE_CODE_OFFSET))

#define KDBG_TRIAGE_EXTRACT_CLASS(Debugid) \
	((uint8_t)(((Debugid) & KDBG_TRIAGE_CLASS_MASK) >> KDBG_TRIAGE_CLASS_OFFSET))
#define KDBG_TRIAGE_EXTRACT_CODE(Debugid) \
	((uint16_t)(((Debugid) & KDBG_TRIAGE_CODE_MASK) >> KDBG_TRIAGE_CODE_OFFSET))

#define KDBG_TRIAGE_MAX_STRINGS (5)
#define KDBG_TRIAGE_MAX_STRLEN  (128)

/****** VM Codes Begin ******/
#define KDBG_TRIAGE_SUBSYS_VM   (1)

enum vm_subsys_error_codes {
	KDBG_TRIAGE_VM_PREFIX = 0,
	KDBG_TRIAGE_VM_NO_DATA,
	KDBG_TRIAGE_VM_TEXT_CORRUPTION,
	KDBG_TRIAGE_VM_ADDRESS_NOT_FOUND,
	KDBG_TRIAGE_VM_PROTECTION_FAILURE,
	KDBG_TRIAGE_VM_MEMORY_SHORTAGE,
	KDBG_TRIAGE_VM_FAULT_INTERRUPTED,
	KDBG_TRIAGE_VM_SUCCESS_NO_PAGE,
	KDBG_TRIAGE_VM_GUARDPAGE_FAULT,
	KDBG_TRIAGE_VM_NONZERO_PREEMPTION_LEVEL,
	KDBG_TRIAGE_VM_BUSYPAGE_WAIT_INTERRUPTED,
	KDBG_TRIAGE_VM_PURGEABLE_FAULT_ERROR,
	KDBG_TRIAGE_VM_OBJECT_SHADOW_SEVERED,
	KDBG_TRIAGE_VM_OBJECT_NOT_ALIVE,
	KDBG_TRIAGE_VM_OBJECT_NO_PAGER,
	KDBG_TRIAGE_VM_PAGE_HAS_ERROR,
	KDBG_TRIAGE_VM_PAGE_HAS_RESTART,
	KDBG_TRIAGE_VM_FAILED_IMMUTABLE_PAGE_WRITE,
	KDBG_TRIAGE_VM_FAILED_NX_PAGE_EXEC_MAPPING,
	KDBG_TRIAGE_VM_PMAP_ENTER_RESOURCE_SHORTAGE,
	KDBG_TRIAGE_VM_COMPRESSOR_GET_OUT_OF_RANGE,
	KDBG_TRIAGE_VM_COMPRESSOR_GET_NO_PAGE,
	KDBG_TRIAGE_VM_COMPRESSOR_DECOMPRESS_FAILED,
	KDBG_TRIAGE_VM_COMPRESSOR_BLOCKING_OP_FAILED,
	KDBG_TRIAGE_VM_SUBMAP_NO_COW_ON_EXECUTABLE,
	KDBG_TRIAGE_VM_SUBMAP_COPY_SLOWLY_FAILED,
	KDBG_TRIAGE_VM_SUBMAP_COPY_STRAT_FAILED,
	KDBG_TRIAGE_VM_VNODEPAGER_CLREAD_NO_UPL,
	KDBG_TRIAGE_VM_VNODEPAGEIN_NO_UBCINFO,
	KDBG_TRIAGE_VM_VNODEPAGEIN_FSPAGEIN_FAIL,
	KDBG_TRIAGE_VM_VNODEPAGEIN_NO_UPL,
	KDBG_TRIAGE_VM_MAX
};
#define VM_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_VM_MAX)
extern const char *vm_triage_strings[VM_MAX_TRIAGE_STRINGS][KDBG_TRIAGE_MAX_STRLEN];

/****** VM Codes End ******/

/****** Cluster Codes Begin ******/
#define KDBG_TRIAGE_SUBSYS_CLUSTER   (2)

enum cluster_subsys_error_codes {
	KDBG_TRIAGE_CL_PREFIX = 0,
	KDBG_TRIAGE_CL_PGIN_PAST_EOF,
	KDBG_TRIAGE_CL_MAX
};
#define CLUSTER_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_CL_MAX)
extern const char *cluster_triage_strings[CLUSTER_MAX_TRIAGE_STRINGS][KDBG_TRIAGE_MAX_STRLEN];

/****** Cluster Codes End ******/

/****** Shared Region Codes Begin ******/
#define KDBG_TRIAGE_SUBSYS_SHARED_REGION   (3)

enum shared_region_subsys_error_codes {
	KDBG_TRIAGE_SHARED_REGION_PREFIX = 0,
	KDBG_TRIAGE_SHARED_REGION_NO_UPL,
	KDBG_TRIAGE_SHARED_REGION_SLIDE_ERROR,
	KDBG_TRIAGE_SHARED_REGION_MAX
};
#define SHARED_REGION_MAX_TRIAGE_STRINGS (KDBG_TRIAGE_SHARED_REGION_MAX)
extern const char *shared_region_triage_strings[SHARED_REGION_MAX_TRIAGE_STRINGS][KDBG_TRIAGE_MAX_STRLEN];

/****** Shared Region Codes End ******/

#define KDBG_TRIAGE_SUBSYS_MAX  KDBG_TRIAGE_SUBSYS_SHARED_REGION

#endif /* BSD_SYS_KDEBUG_TRIAGE_H */