ACPI_STATUS
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL,
&SpaceId, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
return_ACPI_STATUS (Status);
}
void
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId,
UINT32 Function)
{
ACPI_REG_WALK_INFO Info;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
/*
* These address spaces do not need a call to _REG, since the ACPI
* specification defines them as: "must always be accessible". Since
* they never change state (never become unavailable), no need to ever
* call _REG on them. Also, a DataTable is not a "real" address space,
* so do not call _REG. September 2018.
*/
if ((SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY) ||
(SpaceId == ACPI_ADR_SPACE_SYSTEM_IO) ||
(SpaceId == ACPI_ADR_SPACE_DATA_TABLE))
{
return_VOID;
}
Info.SpaceId = SpaceId;
Info.Function = Function;
Info.RegRunCount = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Running _REG methods for SpaceId %s\n",
AcpiUtGetRegionName (Info.SpaceId)));
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL, &Info, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Executed %u _REG methods for SpaceId %s\n",
Info.RegRunCount, AcpiUtGetRegionName (Info.SpaceId)));
return_VOID;
}
void
AcpiEvExecuteRegMethods (
ACPI_NAMESPACE_NODE *Node,
ACPI_ADR_SPACE_TYPE SpaceId,
UINT32 Function)
{
ACPI_REG_WALK_INFO Info;
ACPI_FUNCTION_TRACE (EvExecuteRegMethods);
Info.SpaceId = SpaceId;
Info.Function = Function;
Info.RegRunCount = 0;
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Running _REG methods for SpaceId %s\n",
AcpiUtGetRegionName (Info.SpaceId)));
/*
* Run all _REG methods for all Operation Regions for this space ID. This
* is a separate walk in order to handle any interdependencies between
* regions and _REG methods. (i.e. handlers must be installed for all
* regions of this Space ID before we can run any _REG methods)
*/
(void) AcpiNsWalkNamespace (ACPI_TYPE_ANY, Node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, AcpiEvRegRun, NULL, &Info, NULL);
/* Special case for EC: handle "orphan" _REG methods with no region */
if (SpaceId == ACPI_ADR_SPACE_EC)
{
AcpiEvOrphanEcRegMethod (Node);
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_NAMES,
" Executed %u _REG methods for SpaceId %s\n",
Info.RegRunCount, AcpiUtGetRegionName (Info.SpaceId)));
return_VOID;
}