mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 01:49:36 +00:00
ACPI 5.0: New interface, acpi_get_event_resources
Executes _AEI and formats the result, similar to acpi_get_current_resources, etc. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
parent
e0fe0a8d4e
commit
a91cdde20a
4 changed files with 98 additions and 0 deletions
|
@ -215,6 +215,10 @@ acpi_status
|
|||
acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
|
||||
struct acpi_buffer *ret_buffer);
|
||||
|
||||
acpi_status
|
||||
acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
|
||||
struct acpi_buffer *ret_buffer);
|
||||
|
||||
/*
|
||||
* rscalc
|
||||
*/
|
||||
|
|
|
@ -592,6 +592,56 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
|
|||
}
|
||||
#endif /* ACPI_FUTURE_USAGE */
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_rs_get_aei_method_data
|
||||
*
|
||||
* PARAMETERS: Node - Device node
|
||||
* ret_buffer - Pointer to a buffer structure for the
|
||||
* results
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: This function is called to get the _AEI value of an object
|
||||
* contained in an object specified by the handle passed in
|
||||
*
|
||||
* If the function fails an appropriate status will be returned
|
||||
* and the contents of the callers buffer is undefined.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
acpi_status
|
||||
acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
|
||||
struct acpi_buffer *ret_buffer)
|
||||
{
|
||||
union acpi_operand_object *obj_desc;
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(rs_get_aei_method_data);
|
||||
|
||||
/* Parameters guaranteed valid by caller */
|
||||
|
||||
/* Execute the method, no parameters */
|
||||
|
||||
status = acpi_ut_evaluate_object(node, METHOD_NAME__AEI,
|
||||
ACPI_BTYPE_BUFFER, &obj_desc);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/*
|
||||
* Make the call to create a resource linked list from the
|
||||
* byte stream buffer that comes back from the _CRS method
|
||||
* execution.
|
||||
*/
|
||||
status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
|
||||
|
||||
/* On exit, we must delete the object returned by evaluate_object */
|
||||
|
||||
acpi_ut_remove_reference(obj_desc);
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_rs_get_method_data
|
||||
|
|
|
@ -307,6 +307,46 @@ acpi_set_current_resources(acpi_handle device_handle,
|
|||
|
||||
ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_get_event_resources
|
||||
*
|
||||
* PARAMETERS: device_handle - Handle to the device object for the
|
||||
* device we are getting resources
|
||||
* in_buffer - Pointer to a buffer containing the
|
||||
* resources to be set for the device
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: This function is called to get the event resources for a
|
||||
* specific device. The caller must first acquire a handle for
|
||||
* the desired device. The resource data is passed to the routine
|
||||
* the buffer pointed to by the in_buffer variable. Uses the
|
||||
* _AEI method.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status
|
||||
acpi_get_event_resources(acpi_handle device_handle,
|
||||
struct acpi_buffer *ret_buffer)
|
||||
{
|
||||
acpi_status status;
|
||||
struct acpi_namespace_node *node;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_get_event_resources);
|
||||
|
||||
/* Validate parameters then dispatch to internal routine */
|
||||
|
||||
status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
status = acpi_rs_get_aei_method_data(node, ret_buffer);
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_get_event_resources)
|
||||
|
||||
/******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_resource_to_address64
|
||||
|
|
|
@ -357,6 +357,10 @@ acpi_status
|
|||
acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
|
||||
#endif
|
||||
|
||||
acpi_status
|
||||
acpi_get_event_resources(acpi_handle device_handle,
|
||||
struct acpi_buffer *ret_buffer);
|
||||
|
||||
acpi_status
|
||||
acpi_walk_resources(acpi_handle device,
|
||||
char *name,
|
||||
|
|
Loading…
Reference in a new issue