ReactOS  0.4.15-dev-1197-g8081ba9
nsxfobj.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
Include dependency graph for nsxfobj.c:

Go to the source code of this file.

Macros

#define EXPORT_ACPI_INTERFACES
 
#define _COMPONENT   ACPI_NAMESPACE
 

Functions

ACPI_STATUS AcpiGetType (ACPI_HANDLE Handle, ACPI_OBJECT_TYPE *RetType)
 
ACPI_STATUS AcpiGetParent (ACPI_HANDLE Handle, ACPI_HANDLE *RetHandle)
 
ACPI_STATUS AcpiGetNextObject (ACPI_OBJECT_TYPE Type, ACPI_HANDLE Parent, ACPI_HANDLE Child, ACPI_HANDLE *RetHandle)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_NAMESPACE

Definition at line 52 of file nsxfobj.c.

◆ EXPORT_ACPI_INTERFACES

#define EXPORT_ACPI_INTERFACES

Definition at line 45 of file nsxfobj.c.

Function Documentation

◆ AcpiGetNextObject()

ACPI_STATUS AcpiGetNextObject ( ACPI_OBJECT_TYPE  Type,
ACPI_HANDLE  Parent,
ACPI_HANDLE  Child,
ACPI_HANDLE RetHandle 
)

Definition at line 209 of file nsxfobj.c.

214 {
217  ACPI_NAMESPACE_NODE *ParentNode = NULL;
218  ACPI_NAMESPACE_NODE *ChildNode = NULL;
219 
220 
221  /* Parameter validation */
222 
224  {
225  return (AE_BAD_PARAMETER);
226  }
227 
229  if (ACPI_FAILURE (Status))
230  {
231  return (Status);
232  }
233 
234  /* If null handle, use the parent */
235 
236  if (!Child)
237  {
238  /* Start search at the beginning of the specified scope */
239 
240  ParentNode = AcpiNsValidateHandle (Parent);
241  if (!ParentNode)
242  {
244  goto UnlockAndExit;
245  }
246  }
247  else
248  {
249  /* Non-null handle, ignore the parent */
250  /* Convert and validate the handle */
251 
252  ChildNode = AcpiNsValidateHandle (Child);
253  if (!ChildNode)
254  {
256  goto UnlockAndExit;
257  }
258  }
259 
260  /* Internal function does the real work */
261 
262  Node = AcpiNsGetNextNodeTyped (Type, ParentNode, ChildNode);
263  if (!Node)
264  {
266  goto UnlockAndExit;
267  }
268 
269  if (RetHandle)
270  {
271  *RetHandle = ACPI_CAST_PTR (ACPI_HANDLE, Node);
272  }
273 
274 
275 UnlockAndExit:
276 
278  return (Status);
279 }
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
Definition: typeof.h:49
Type
Definition: Type.h:6
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
ACPI_PHYSICAL_ADDRESS ACPI_SIZE BOOLEAN Warn BOOLEAN Physical UINT32 ACPI_TABLE_HEADER *OutTableHeader ACPI_TABLE_HEADER **OutTable ACPI_HANDLE UINT32 ACPI_WALK_CALLBACK ACPI_WALK_CALLBACK void void **ReturnValue UINT32 ACPI_BUFFER *RetPathPtr ACPI_OBJECT_HANDLER void *Data ACPI_OBJECT_HANDLER void **Data ACPI_STRING ACPI_OBJECT_LIST ACPI_BUFFER *ReturnObjectBuffer ACPI_DEVICE_INFO **ReturnBuffer ACPI_HANDLE Parent
Definition: acpixf.h:728
UINT32 ACPI_STATUS
Definition: actypes.h:460
ACPI_NAMESPACE_NODE * AcpiNsGetNextNodeTyped(ACPI_OBJECT_TYPE Type, ACPI_NAMESPACE_NODE *Parent, ACPI_NAMESPACE_NODE *Child)
Definition: nswalk.c:112
#define ACPI_TYPE_EXTERNAL_MAX
Definition: actypes.h:697
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_STATUS AcpiUtReleaseMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:348
ACPI_STATUS AcpiUtAcquireMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:256
union node Node
Definition: types.h:1255
smooth NULL
Definition: ftsmooth.c:416
#define AE_NOT_FOUND
Definition: acexcep.h:113
Status
Definition: gdiplustypes.h:24
ACPI_PHYSICAL_ADDRESS ACPI_SIZE BOOLEAN Warn BOOLEAN Physical UINT32 ACPI_TABLE_HEADER *OutTableHeader ACPI_TABLE_HEADER **OutTable ACPI_HANDLE UINT32 ACPI_WALK_CALLBACK ACPI_WALK_CALLBACK void void **ReturnValue UINT32 ACPI_BUFFER *RetPathPtr ACPI_OBJECT_HANDLER void *Data ACPI_OBJECT_HANDLER void **Data ACPI_STRING ACPI_OBJECT_LIST ACPI_BUFFER *ReturnObjectBuffer ACPI_DEVICE_INFO **ReturnBuffer ACPI_HANDLE ACPI_HANDLE Child
Definition: acpixf.h:728
ACPI_NAMESPACE_NODE * AcpiNsValidateHandle(ACPI_HANDLE Handle)
Definition: nsutils.c:655
#define ACPI_MTX_NAMESPACE
Definition: aclocal.h:85
#define ACPI_CAST_PTR(t, p)
Definition: actypes.h:544
Definition: dlist.c:348

Referenced by acpi_bus_scan().

◆ AcpiGetParent()

ACPI_STATUS AcpiGetParent ( ACPI_HANDLE  Handle,
ACPI_HANDLE RetHandle 
)

Definition at line 132 of file nsxfobj.c.

135 {
137  ACPI_NAMESPACE_NODE *ParentNode;
139 
140 
141  if (!RetHandle)
142  {
143  return (AE_BAD_PARAMETER);
144  }
145 
146  /* Special case for the predefined Root Node (no parent) */
147 
148  if (Handle == ACPI_ROOT_OBJECT)
149  {
150  return (AE_NULL_ENTRY);
151  }
152 
154  if (ACPI_FAILURE (Status))
155  {
156  return (Status);
157  }
158 
159  /* Convert and validate the handle */
160 
162  if (!Node)
163  {
165  goto UnlockAndExit;
166  }
167 
168  /* Get the parent entry */
169 
170  ParentNode = Node->Parent;
171  *RetHandle = ACPI_CAST_PTR (ACPI_HANDLE, ParentNode);
172 
173  /* Return exception if parent is null */
174 
175  if (!ParentNode)
176  {
178  }
179 
180 
181 UnlockAndExit:
182 
184  return (Status);
185 }
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
Definition: typeof.h:49
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_STATUS AcpiUtReleaseMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:348
ACPI_STATUS AcpiUtAcquireMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:256
union node Node
Definition: types.h:1255
#define ACPI_ROOT_OBJECT
Definition: actypes.h:500
_In_ HANDLE Handle
Definition: extypes.h:390
Status
Definition: gdiplustypes.h:24
#define AE_NULL_ENTRY
Definition: acexcep.h:118
ACPI_NAMESPACE_NODE * AcpiNsValidateHandle(ACPI_HANDLE Handle)
Definition: nsutils.c:655
#define ACPI_MTX_NAMESPACE
Definition: aclocal.h:85
#define ACPI_CAST_PTR(t, p)
Definition: actypes.h:544
Definition: dlist.c:348

Referenced by acpi_bus_scan(), and AcpiHwBuildPciList().

◆ AcpiGetType()

ACPI_STATUS AcpiGetType ( ACPI_HANDLE  Handle,
ACPI_OBJECT_TYPE RetType 
)

Definition at line 70 of file nsxfobj.c.

73 {
76 
77 
78  /* Parameter Validation */
79 
80  if (!RetType)
81  {
82  return (AE_BAD_PARAMETER);
83  }
84 
85  /* Special case for the predefined Root Node (return type ANY) */
86 
87  if (Handle == ACPI_ROOT_OBJECT)
88  {
89  *RetType = ACPI_TYPE_ANY;
90  return (AE_OK);
91  }
92 
94  if (ACPI_FAILURE (Status))
95  {
96  return (Status);
97  }
98 
99  /* Convert and validate the handle */
100 
102  if (!Node)
103  {
105  return (AE_BAD_PARAMETER);
106  }
107 
108  *RetType = Node->Type;
109 
111  return (Status);
112 }
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
Definition: typeof.h:49
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_STATUS AcpiUtReleaseMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:348
ACPI_STATUS AcpiUtAcquireMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:256
union node Node
Definition: types.h:1255
#define ACPI_ROOT_OBJECT
Definition: actypes.h:500
_In_ HANDLE Handle
Definition: extypes.h:390
Status
Definition: gdiplustypes.h:24
#define ACPI_TYPE_ANY
Definition: actypes.h:679
ACPI_NAMESPACE_NODE * AcpiNsValidateHandle(ACPI_HANDLE Handle)
Definition: nsutils.c:655
#define ACPI_MTX_NAMESPACE
Definition: aclocal.h:85
#define AE_OK
Definition: acexcep.h:97
Definition: dlist.c:348

Referenced by acpi_bus_scan(), and AcpiHwGetPciDeviceInfo().