******************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
-
#define _COMPONENT ACPI_NAMESPACE
- ACPI_MODULE_NAME ("nsxfobj")
+ACPI_MODULE_NAME("nsxfobj")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_id
+ *
+ * PARAMETERS: Handle - Handle of object whose id is desired
+ * ret_id - Where the id will be placed
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: This routine returns the owner id associated with a handle
+ *
+ ******************************************************************************/
+acpi_status acpi_get_id(acpi_handle handle, acpi_owner_id * ret_id)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ /* Parameter Validation */
+
+ if (!ret_id) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Convert and validate the handle */
+
+ node = acpi_ns_map_handle_to_node(handle);
+ if (!node) {
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return (AE_BAD_PARAMETER);
+ }
+
+ *ret_id = node->owner_id;
+
+ status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return (status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_get_id)
/*******************************************************************************
*
* FUNCTION: acpi_get_type
*
* PARAMETERS: Handle - Handle of object whose type is desired
- * *ret_type - Where the type will be placed
+ * ret_type - Where the type will be placed
*
* RETURN: Status
*
* DESCRIPTION: This routine returns the type associatd with a particular handle
*
******************************************************************************/
-
-acpi_status
-acpi_get_type (
- acpi_handle handle,
- acpi_object_type *ret_type)
+acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
{
- struct acpi_namespace_node *node;
- acpi_status status;
-
+ struct acpi_namespace_node *node;
+ acpi_status status;
/* Parameter Validation */
return (AE_OK);
}
- status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
return (status);
}
/* Convert and validate the handle */
- node = acpi_ns_map_handle_to_node (handle);
+ node = acpi_ns_map_handle_to_node(handle);
if (!node) {
- (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (AE_BAD_PARAMETER);
}
*ret_type = node->type;
-
- status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+ status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
-EXPORT_SYMBOL(acpi_get_type);
+ACPI_EXPORT_SYMBOL(acpi_get_type)
/*******************************************************************************
*
* Handle.
*
******************************************************************************/
-
-acpi_status
-acpi_get_parent (
- acpi_handle handle,
- acpi_handle *ret_handle)
+acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
{
- struct acpi_namespace_node *node;
- acpi_status status;
-
+ struct acpi_namespace_node *node;
+ acpi_status status;
if (!ret_handle) {
return (AE_BAD_PARAMETER);
return (AE_NULL_ENTRY);
}
- status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
return (status);
}
/* Convert and validate the handle */
- node = acpi_ns_map_handle_to_node (handle);
+ node = acpi_ns_map_handle_to_node(handle);
if (!node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
/* Get the parent entry */
*ret_handle =
- acpi_ns_convert_entry_to_handle (acpi_ns_get_parent_node (node));
+ acpi_ns_convert_entry_to_handle(acpi_ns_get_parent_node(node));
/* Return exception if parent is null */
- if (!acpi_ns_get_parent_node (node)) {
+ if (!acpi_ns_get_parent_node(node)) {
status = AE_NULL_ENTRY;
}
+ unlock_and_exit:
-unlock_and_exit:
-
- (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
-EXPORT_SYMBOL(acpi_get_parent);
+ACPI_EXPORT_SYMBOL(acpi_get_parent)
/*******************************************************************************
*
* Scope is returned.
*
******************************************************************************/
-
acpi_status
-acpi_get_next_object (
- acpi_object_type type,
- acpi_handle parent,
- acpi_handle child,
- acpi_handle *ret_handle)
+acpi_get_next_object(acpi_object_type type,
+ acpi_handle parent,
+ acpi_handle child, acpi_handle * ret_handle)
{
- acpi_status status;
- struct acpi_namespace_node *node;
- struct acpi_namespace_node *parent_node = NULL;
- struct acpi_namespace_node *child_node = NULL;
-
+ acpi_status status;
+ struct acpi_namespace_node *node;
+ struct acpi_namespace_node *parent_node = NULL;
+ struct acpi_namespace_node *child_node = NULL;
/* Parameter validation */
return (AE_BAD_PARAMETER);
}
- status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
return (status);
}
/* If null handle, use the parent */
if (!child) {
+
/* Start search at the beginning of the specified scope */
- parent_node = acpi_ns_map_handle_to_node (parent);
+ parent_node = acpi_ns_map_handle_to_node(parent);
if (!parent_node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
}
- }
- else {
+ } else {
/* Non-null handle, ignore the parent */
/* Convert and validate the handle */
- child_node = acpi_ns_map_handle_to_node (child);
+ child_node = acpi_ns_map_handle_to_node(child);
if (!child_node) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
/* Internal function does the real work */
- node = acpi_ns_get_next_node (type, parent_node, child_node);
+ node = acpi_ns_get_next_node(type, parent_node, child_node);
if (!node) {
status = AE_NOT_FOUND;
goto unlock_and_exit;
}
if (ret_handle) {
- *ret_handle = acpi_ns_convert_entry_to_handle (node);
+ *ret_handle = acpi_ns_convert_entry_to_handle(node);
}
+ unlock_and_exit:
-unlock_and_exit:
-
- (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return (status);
}
-EXPORT_SYMBOL(acpi_get_next_object);
+ACPI_EXPORT_SYMBOL(acpi_get_next_object)