static acpi_status
acpi_dm_test_resource_conversion(struct acpi_namespace_node *node, char *name)
{
acpi_status status;
struct acpi_buffer return_buffer;
struct acpi_buffer resource_buffer;
struct acpi_buffer new_aml;
union acpi_object *original_aml;
acpi_os_printf("Resource Conversion Comparison:\n");
new_aml.length = ACPI_ALLOCATE_LOCAL_BUFFER;
return_buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
resource_buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
/* Get the original _CRS AML resource template */
status = acpi_evaluate_object(node, name, NULL, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not obtain %s: %s\n",
name, acpi_format_exception(status));
return (status);
}
/* Get the AML resource template, converted to internal resource structs */
status = acpi_get_current_resources(node, &resource_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiGetCurrentResources failed: %s\n",
acpi_format_exception(status));
goto exit1;
}
/* Convert internal resource list to external AML resource template */
status = acpi_rs_create_aml_resources(&resource_buffer, &new_aml);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiRsCreateAmlResources failed: %s\n",
acpi_format_exception(status));
goto exit2;
}
/* Compare original AML to the newly created AML resource list */
original_aml = return_buffer.pointer;
acpi_dm_compare_aml_resources(original_aml->buffer.pointer,
(acpi_rsdesc_size) original_aml->buffer.
length, new_aml.pointer,
(acpi_rsdesc_size) new_aml.length);
/* Cleanup and exit */
ACPI_FREE(new_aml.pointer);
exit2:
ACPI_FREE(resource_buffer.pointer);
exit1:
ACPI_FREE(return_buffer.pointer);
return (status);
}
static int
acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
{
acpi_status status;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_resource *resource = NULL;
struct acpi_resource_address64 address64;
ACPI_FUNCTION_TRACE("acpi_memory_get_device_resources");
/* Get the range from the _CRS */
status = acpi_get_current_resources(mem_device->handle, &buffer);
if (ACPI_FAILURE(status))
return_VALUE(-EINVAL);
resource = (struct acpi_resource *)buffer.pointer;
status = acpi_resource_to_address64(resource, &address64);
if (ACPI_SUCCESS(status)) {
if (address64.resource_type == ACPI_MEMORY_RANGE) {
/* Populate the structure */
mem_device->cache_attribute =
address64.attribute.memory.cache_attribute;
mem_device->read_write_attribute =
address64.attribute.memory.read_write_attribute;
mem_device->start_addr = address64.min_address_range;
mem_device->end_addr = address64.max_address_range;
}
}
acpi_os_free(buffer.pointer);
return_VALUE(0);
}
acpi_status
ec_get_port_values(
EC_CONTEXT *ec)
{
acpi_status status = AE_OK;
acpi_buffer buffer;
acpi_resource *resource = NULL;
FUNCTION_TRACE("ec_get_port_values");
if (!ec) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
buffer.length = 0;
buffer.pointer = NULL;
status = acpi_get_current_resources(ec->acpi_handle, &buffer);
if (status != AE_BUFFER_OVERFLOW) {
return_ACPI_STATUS(status);
}
buffer.pointer = acpi_os_callocate(buffer.length);
if (!buffer.pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
status = acpi_get_current_resources(ec->acpi_handle, &buffer);
if (ACPI_FAILURE(status)) {
goto end;
}
resource = (acpi_resource *) buffer.pointer;
ec->data_port = resource->data.io.min_base_address;
resource = NEXT_RESOURCE(resource);
ec->status_port = ec->command_port =
resource->data.io.min_base_address;
end:
acpi_os_free(buffer.pointer);
return_ACPI_STATUS(status);
}
static acpi_status acpi_evaluate_crs(
acpi_handle handle,
struct acpi_resource **retbuf
)
{
acpi_status status;
struct acpi_buffer crsbuf;
u8 *path_name = acpi_path_name(handle);
crsbuf.length = 0;
crsbuf.pointer = NULL;
status = acpi_get_current_resources (handle, &crsbuf);
switch (status) {
case AE_BUFFER_OVERFLOW:
break; /* Found */
case AE_NOT_FOUND:
dbg("acpi_pciehprm:%s _CRS not found\n", path_name);
return status;
default:
err ("acpi_pciehprm:%s _CRS fail=0x%x\n", path_name, status);
return status;
}
crsbuf.pointer = kmalloc (crsbuf.length, GFP_KERNEL);
if (!crsbuf.pointer) {
err ("acpi_pciehprm: alloc %ld bytes for %s _CRS fail\n", (ulong)crsbuf.length, path_name);
return AE_NO_MEMORY;
}
status = acpi_get_current_resources (handle, &crsbuf);
if (ACPI_FAILURE(status)) {
err("acpi_pciehprm: %s _CRS fail=0x%x.\n", path_name, status);
kfree(crsbuf.pointer);
return status;
}
*retbuf = crsbuf.pointer;
return status;
}
static acpi_status
acpi_db_device_resources(acpi_handle obj_handle,
u32 nesting_level, void *context, void **return_value)
{
struct acpi_namespace_node *node;
struct acpi_namespace_node *prt_node = NULL;
struct acpi_namespace_node *crs_node = NULL;
struct acpi_namespace_node *prs_node = NULL;
struct acpi_namespace_node *aei_node = NULL;
char *parent_path;
struct acpi_buffer return_buffer;
acpi_status status;
node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
parent_path = acpi_ns_get_normalized_pathname(node, TRUE);
if (!parent_path) {
return (AE_NO_MEMORY);
}
/* Get handles to the resource methods for this device */
(void)acpi_get_handle(node, METHOD_NAME__PRT,
ACPI_CAST_PTR(acpi_handle, &prt_node));
(void)acpi_get_handle(node, METHOD_NAME__CRS,
ACPI_CAST_PTR(acpi_handle, &crs_node));
(void)acpi_get_handle(node, METHOD_NAME__PRS,
ACPI_CAST_PTR(acpi_handle, &prs_node));
(void)acpi_get_handle(node, METHOD_NAME__AEI,
ACPI_CAST_PTR(acpi_handle, &aei_node));
if (!prt_node && !crs_node && !prs_node && !aei_node) {
goto cleanup; /* Nothing to do */
}
acpi_os_printf("\nDevice: %s\n", parent_path);
/* Prepare for a return object of arbitrary size */
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
/* _PRT */
if (prt_node) {
acpi_os_printf("Evaluating _PRT\n");
status =
acpi_evaluate_object(prt_node, NULL, NULL, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not evaluate _PRT: %s\n",
acpi_format_exception(status));
goto get_crs;
}
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_irq_routing_table(node, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("GetIrqRoutingTable failed: %s\n",
acpi_format_exception(status));
goto get_crs;
}
acpi_rs_dump_irq_list(ACPI_CAST_PTR(u8, acpi_gbl_db_buffer));
}
/* _CRS */
get_crs:
if (crs_node) {
acpi_os_printf("Evaluating _CRS\n");
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status =
acpi_evaluate_object(crs_node, NULL, NULL, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not evaluate _CRS: %s\n",
acpi_format_exception(status));
goto get_prs;
}
/* This code exercises the acpi_walk_resources interface */
status = acpi_walk_resources(node, METHOD_NAME__CRS,
acpi_db_resource_callback, NULL);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiWalkResources failed: %s\n",
acpi_format_exception(status));
goto get_prs;
}
/* Get the _CRS resource list (test ALLOCATE buffer) */
return_buffer.pointer = NULL;
return_buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_current_resources(node, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiGetCurrentResources failed: %s\n",
acpi_format_exception(status));
goto get_prs;
}
/* This code exercises the acpi_walk_resource_buffer interface */
status = acpi_walk_resource_buffer(&return_buffer,
acpi_db_resource_callback,
NULL);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiWalkResourceBuffer failed: %s\n",
acpi_format_exception(status));
goto end_crs;
}
/* Dump the _CRS resource list */
acpi_rs_dump_resource_list(ACPI_CAST_PTR(struct acpi_resource,
return_buffer.
pointer));
/*
* Perform comparison of original AML to newly created AML. This
* tests both the AML->Resource conversion and the Resource->AML
* conversion.
*/
(void)acpi_dm_test_resource_conversion(node, METHOD_NAME__CRS);
/* Execute _SRS with the resource list */
acpi_os_printf("Evaluating _SRS\n");
status = acpi_set_current_resources(node, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiSetCurrentResources failed: %s\n",
acpi_format_exception(status));
goto end_crs;
}
end_crs:
ACPI_FREE(return_buffer.pointer);
}
/* _PRS */
get_prs:
if (prs_node) {
acpi_os_printf("Evaluating _PRS\n");
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status =
acpi_evaluate_object(prs_node, NULL, NULL, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not evaluate _PRS: %s\n",
acpi_format_exception(status));
goto get_aei;
}
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_possible_resources(node, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiGetPossibleResources failed: %s\n",
acpi_format_exception(status));
goto get_aei;
}
acpi_rs_dump_resource_list(ACPI_CAST_PTR
(struct acpi_resource,
acpi_gbl_db_buffer));
}
/* _AEI */
get_aei:
if (aei_node) {
acpi_os_printf("Evaluating _AEI\n");
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status =
acpi_evaluate_object(aei_node, NULL, NULL, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not evaluate _AEI: %s\n",
acpi_format_exception(status));
goto cleanup;
}
return_buffer.pointer = acpi_gbl_db_buffer;
return_buffer.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_event_resources(node, &return_buffer);
if (ACPI_FAILURE(status)) {
acpi_os_printf("AcpiGetEventResources failed: %s\n",
acpi_format_exception(status));
goto cleanup;
}
acpi_rs_dump_resource_list(ACPI_CAST_PTR
(struct acpi_resource,
acpi_gbl_db_buffer));
}
cleanup:
ACPI_FREE(parent_path);
return (AE_OK);
}
void
acpi_db_display_resources (
NATIVE_CHAR *object_arg)
{
#ifndef _IA16
acpi_operand_object *obj_desc;
acpi_status status;
acpi_buffer return_obj;
acpi_db_set_output_destination (DB_REDIRECTABLE_OUTPUT);
/* Convert string to object pointer */
obj_desc = (acpi_operand_object *) STRTOUL (object_arg, NULL, 16);
/* Prepare for a return object of arbitrary size */
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
/* _PRT */
acpi_os_printf ("Evaluating _PRT\n");
status = acpi_evaluate_object (obj_desc, "_PRT", NULL, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Could not obtain _PRT: %s\n", acpi_format_exception (status));
goto get_crs;
}
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_irq_routing_table (obj_desc, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Get_irq_routing_table failed: %s\n", acpi_format_exception (status));
}
else {
acpi_rs_dump_irq_list ((u8 *) acpi_gbl_db_buffer);
}
/* _CRS */
get_crs:
acpi_os_printf ("Evaluating _CRS\n");
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_evaluate_object (obj_desc, "_CRS", NULL, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Could not obtain _CRS: %s\n", acpi_format_exception (status));
goto get_prs;
}
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_current_resources (obj_desc, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Acpi_get_current_resources failed: %s\n", acpi_format_exception (status));
}
else {
acpi_rs_dump_resource_list ((acpi_resource *) acpi_gbl_db_buffer);
}
/* _PRS */
get_prs:
acpi_os_printf ("Evaluating _PRS\n");
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_evaluate_object (obj_desc, "_PRS", NULL, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Could not obtain _PRS: %s\n", acpi_format_exception (status));
goto cleanup;
}
return_obj.pointer = acpi_gbl_db_buffer;
return_obj.length = ACPI_DEBUG_BUFFER_SIZE;
status = acpi_get_possible_resources (obj_desc, &return_obj);
if (ACPI_FAILURE (status)) {
acpi_os_printf ("Acpi_get_possible_resources failed: %s\n", acpi_format_exception (status));
}
else {
acpi_rs_dump_resource_list ((acpi_resource *) acpi_gbl_db_buffer);
}
cleanup:
acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
return;
#endif
}
