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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.c88
1 files changed, 67 insertions, 21 deletions
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index 68b9eff4b326..444d3a502c46 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 */
@@ -84,29 +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 */
- 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])))
- {
+ return_desc->integer.value = ACPI_UINT32_MAX;
+ walk_state->return_desc = return_desc;
+
+ /* Compare input string to static table of supported interfaces */
- /* 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);
}
@@ -139,7 +185,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
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;
@@ -258,7 +304,7 @@ 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);
@@ -334,7 +380,7 @@ 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,
@@ -438,7 +484,7 @@ 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 */
@@ -536,7 +582,7 @@ 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,
@@ -586,7 +632,7 @@ 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);
@@ -636,7 +682,7 @@ 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;