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path: root/drivers/acpi/utilities/uteval.c
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Diffstat (limited to 'drivers/acpi/utilities/uteval.c')
-rw-r--r--drivers/acpi/utilities/uteval.c141
1 files changed, 101 insertions, 40 deletions
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index 106cc97cb4a..d6d7121583c 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/utilities/uteval.c
@@ -56,6 +56,34 @@ static acpi_status
acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
struct acpi_compatible_id *one_cid);
+/*
+ * Strings supported by the _OSI predefined (internal) method.
+ */
+static const char *acpi_interfaces_supported[] = {
+ /* Operating System Vendor Strings */
+
+ "Linux",
+ "Windows 2000",
+ "Windows 2001",
+ "Windows 2001 SP0",
+ "Windows 2001 SP1",
+ "Windows 2001 SP2",
+ "Windows 2001 SP3",
+ "Windows 2001 SP4",
+ "Windows 2001.1",
+ "Windows 2001.1 SP1", /* Added 03/2006 */
+ "Windows 2006", /* Added 03/2006 */
+
+ /* Feature Group Strings */
+
+ "Extended Address Space Descriptor"
+ /*
+ * All "optional" feature group strings (features that are implemented
+ * by the host) should be implemented in the host version of
+ * acpi_os_validate_interface and should not be added here.
+ */
+};
+
/*******************************************************************************
*
* FUNCTION: acpi_ut_osi_implementation
@@ -64,18 +92,18 @@ acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
*
* RETURN: Status
*
- * DESCRIPTION: Implementation of _OSI predefined control method
- * Supported = _OSI (String)
+ * DESCRIPTION: Implementation of the _OSI predefined control method
*
******************************************************************************/
acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
{
+ acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ut_osi_implementation");
+ ACPI_FUNCTION_TRACE(ut_osi_implementation);
/* Validate the string input argument */
@@ -84,28 +112,47 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
return_ACPI_STATUS(AE_TYPE);
}
- /* Create a return object (Default value = 0) */
+ /* Create a return object */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
- /* Compare input string to table of supported strings */
+ /* Default return value is SUPPORTED */
+
+ return_desc->integer.value = ACPI_UINT32_MAX;
+ walk_state->return_desc = return_desc;
+
+ /* Compare input string to static table of supported interfaces */
- for (i = 0; i < ACPI_NUM_OSI_STRINGS; i++) {
- if (!ACPI_STRCMP(string_desc->string.pointer,
- ACPI_CAST_PTR(char,
- acpi_gbl_valid_osi_strings[i])))
- {
- /* This string is supported */
+ for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
+ if (!ACPI_STRCMP
+ (string_desc->string.pointer,
+ acpi_interfaces_supported[i])) {
- return_desc->integer.value = 0xFFFFFFFF;
- break;
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
}
- walk_state->return_desc = return_desc;
+ /*
+ * Did not match the string in the static table, call the host OSL to
+ * check for a match with one of the optional strings (such as
+ * "Module Device", "3.0 Thermal Model", etc.)
+ */
+ status = acpi_os_validate_interface(string_desc->string.pointer);
+ if (ACPI_SUCCESS(status)) {
+
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+
+ /* The interface is not supported */
+
+ return_desc->integer.value = 0;
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
@@ -134,19 +181,26 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
u32 expected_return_btypes,
union acpi_operand_object **return_desc)
{
- struct acpi_parameter_info info;
+ struct acpi_evaluate_info *info;
acpi_status status;
u32 return_btype;
- ACPI_FUNCTION_TRACE("ut_evaluate_object");
+ ACPI_FUNCTION_TRACE(ut_evaluate_object);
- info.node = prefix_node;
- info.parameters = NULL;
- info.parameter_type = ACPI_PARAM_ARGS;
+ /* Allocate the evaluation information block */
+
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ info->prefix_node = prefix_node;
+ info->pathname = path;
+ info->parameter_type = ACPI_PARAM_ARGS;
/* Evaluate the object/method */
- status = acpi_ns_evaluate_relative(path, &info);
+ status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -158,25 +212,25 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
prefix_node, path, status);
}
- return_ACPI_STATUS(status);
+ goto cleanup;
}
/* Did we get a return object? */
- if (!info.return_object) {
+ if (!info->return_object) {
if (expected_return_btypes) {
ACPI_ERROR_METHOD("No object was returned from",
prefix_node, path, AE_NOT_EXIST);
- return_ACPI_STATUS(AE_NOT_EXIST);
+ status = AE_NOT_EXIST;
}
- return_ACPI_STATUS(AE_OK);
+ goto cleanup;
}
/* Map the return object type to the bitmapped type */
- switch (ACPI_GET_OBJECT_TYPE(info.return_object)) {
+ switch (ACPI_GET_OBJECT_TYPE(info->return_object)) {
case ACPI_TYPE_INTEGER:
return_btype = ACPI_BTYPE_INTEGER;
break;
@@ -204,8 +258,8 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
* happen frequently if the "implicit return" feature is enabled.
* Just delete the return object and return AE_OK.
*/
- acpi_ut_remove_reference(info.return_object);
- return_ACPI_STATUS(AE_OK);
+ acpi_ut_remove_reference(info->return_object);
+ goto cleanup;
}
/* Is the return object one of the expected types? */
@@ -217,19 +271,23 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
ACPI_ERROR((AE_INFO,
"Type returned from %s was incorrect: %s, expected Btypes: %X",
path,
- acpi_ut_get_object_type_name(info.return_object),
+ acpi_ut_get_object_type_name(info->return_object),
expected_return_btypes));
/* On error exit, we must delete the return object */
- acpi_ut_remove_reference(info.return_object);
- return_ACPI_STATUS(AE_TYPE);
+ acpi_ut_remove_reference(info->return_object);
+ status = AE_TYPE;
+ goto cleanup;
}
/* Object type is OK, return it */
- *return_desc = info.return_object;
- return_ACPI_STATUS(AE_OK);
+ *return_desc = info->return_object;
+
+ cleanup:
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
@@ -257,7 +315,7 @@ acpi_ut_evaluate_numeric_object(char *object_name,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_evaluate_numeric_object");
+ ACPI_FUNCTION_TRACE(ut_evaluate_numeric_object);
status = acpi_ut_evaluate_object(device_node, object_name,
ACPI_BTYPE_INTEGER, &obj_desc);
@@ -333,7 +391,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_HID");
+ ACPI_FUNCTION_TRACE(ut_execute_HID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -343,6 +401,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
}
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric HID to string */
acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
@@ -436,7 +495,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
struct acpi_compatible_id_list *cid_list;
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("ut_execute_CID");
+ ACPI_FUNCTION_TRACE(ut_execute_CID);
/* Evaluate the _CID method for this device */
@@ -459,7 +518,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
sizeof(struct acpi_compatible_id_list));
- cid_list = ACPI_MEM_CALLOCATE((acpi_size) size);
+ cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
if (!cid_list) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -479,6 +538,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
/* The _CID object can be either a single CID or a package (list) of CIDs */
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
/* Translate each package element */
for (i = 0; i < count; i++) {
@@ -499,7 +559,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
/* Cleanup on error */
if (ACPI_FAILURE(status)) {
- ACPI_MEM_FREE(cid_list);
+ ACPI_FREE(cid_list);
} else {
*return_cid_list = cid_list;
}
@@ -533,7 +593,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_UID");
+ ACPI_FUNCTION_TRACE(ut_execute_UID);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -543,6 +603,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
}
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric UID to string */
acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
@@ -582,7 +643,7 @@ acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE("ut_execute_STA");
+ ACPI_FUNCTION_TRACE(ut_execute_STA);
status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA,
ACPI_BTYPE_INTEGER, &obj_desc);
@@ -632,7 +693,7 @@ acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
acpi_status status;
u32 i;
- ACPI_FUNCTION_TRACE("ut_execute_Sxds");
+ ACPI_FUNCTION_TRACE(ut_execute_sxds);
for (i = 0; i < 4; i++) {
highest[i] = 0xFF;