include/acpi/acconfig.h

Source file repositories/reference/linux-study-clean/include/acpi/acconfig.h

File Facts

System
Linux kernel
Corpus path
include/acpi/acconfig.h
Extension
.h
Size
7578 bytes
Lines
230
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ACCONFIG_H
#define _ACCONFIG_H

/******************************************************************************
 *
 * Configuration options
 *
 *****************************************************************************/

/*
 * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
 *                        ACPI subsystem.  This includes the DEBUG_PRINT output
 *                        statements.  When disabled, all DEBUG_PRINT
 *                        statements are compiled out.
 *
 * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
 *                        at the application level.
 *
 */

/*
 * OS name, used for the _OS object.  The _OS object is essentially obsolete,
 * but there is a large base of ASL/AML code in existing machines that check
 * for the string below.  The use of this string usually guarantees that
 * the ASL will execute down the most tested code path.  Also, there is some
 * code that will not execute the _OSI method unless _OS matches the string
 * below.  Therefore, change this string at your own risk.
 */
#define ACPI_OS_NAME                    "Microsoft Windows NT"

/* Maximum objects in the various object caches */

#define ACPI_MAX_STATE_CACHE_DEPTH      96	/* State objects */
#define ACPI_MAX_PARSE_CACHE_DEPTH      96	/* Parse tree objects */
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH   96	/* Parse tree objects */
#define ACPI_MAX_OBJECT_CACHE_DEPTH     96	/* Interpreter operand objects */
#define ACPI_MAX_NAMESPACE_CACHE_DEPTH  96	/* Namespace objects */
#define ACPI_MAX_COMMENT_CACHE_DEPTH    96	/* Comments for the -ca option */

/*
 * Should the subsystem abort the loading of an ACPI table if the
 * table checksum is incorrect?
 */
#ifndef ACPI_CHECKSUM_ABORT
#define ACPI_CHECKSUM_ABORT             FALSE
#endif

/*
 * Generate a version of ACPICA that only supports "reduced hardware"
 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
 * model. In other words, no ACPI hardware is supported.
 *
 * If TRUE, this means no support for the following:
 *      PM Event and Control registers
 *      SCI interrupt (and handler)
 *      Fixed Events
 *      General Purpose Events (GPEs)
 *      Global Lock
 *      ACPI PM timer
 */
#ifndef ACPI_REDUCED_HARDWARE
#define ACPI_REDUCED_HARDWARE           FALSE
#endif

/******************************************************************************
 *
 * Subsystem Constants
 *
 *****************************************************************************/

/* Version of ACPI supported */

#define ACPI_CA_SUPPORT_LEVEL           5

/* Maximum count for a semaphore object */

#define ACPI_MAX_SEMAPHORE_COUNT        256

/* Maximum object reference count (detects object deletion issues) */

#define ACPI_MAX_REFERENCE_COUNT        0x4000

/* Default page size for use in mapping memory for operation regions */

#define ACPI_DEFAULT_PAGE_SIZE          4096	/* Must be power of 2 */

/* owner_id tracking. 128 entries allows for 4095 owner_ids */

#define ACPI_NUM_OWNERID_MASKS          128

Annotation

Implementation Notes