acpi_status
acpi_evaluate_integer(acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments, unsigned long long *data)
{
acpi_status status = AE_OK;
union acpi_object element;
struct acpi_buffer buffer = { 0, NULL };
if (!data)
return AE_BAD_PARAMETER;
buffer.length = sizeof(union acpi_object);
buffer.pointer = &element;
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
return status;
}
if (element.type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
return AE_BAD_DATA;
}
*data = element.integer.value;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%llu]\n", *data));
return AE_OK;
}
acpi_status
acpi_evaluate_integer (
acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments,
unsigned long *data)
{
acpi_status status = AE_OK;
union acpi_object element;
struct acpi_buffer buffer = {sizeof(union acpi_object), &element};
ACPI_FUNCTION_TRACE("acpi_evaluate_integer");
if (!data)
return_ACPI_STATUS(AE_BAD_PARAMETER);
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
return_ACPI_STATUS(status);
}
if (element.type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
return_ACPI_STATUS(AE_BAD_DATA);
}
*data = element.integer.value;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data));
return_ACPI_STATUS(AE_OK);
}
ACPI_STATUS
acpi_evaluate_integer (
ACPI_HANDLE handle,
ACPI_STRING pathname,
ACPI_OBJECT_LIST *arguments,
unsigned long long *data)
{
ACPI_STATUS status = AE_OK;
ACPI_OBJECT element;
ACPI_BUFFER buffer = {sizeof(ACPI_OBJECT), &element};
ACPI_FUNCTION_TRACE("acpi_evaluate_integer");
if (!data)
return_ACPI_STATUS(AE_BAD_PARAMETER);
status = AcpiEvaluateObject(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
return_ACPI_STATUS(status);
}
if (element.Type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
return_ACPI_STATUS(AE_BAD_DATA);
}
*data = element.Integer.Value;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data));
return_ACPI_STATUS(AE_OK);
}
acpi_status
acpi_evaluate_string (
acpi_handle handle,
acpi_string pathname,
acpi_object_list *arguments,
acpi_string *data)
{
acpi_status status = AE_OK;
acpi_object *element = NULL;
acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
ACPI_FUNCTION_TRACE("acpi_evaluate_string");
if (!data)
return_ACPI_STATUS(AE_BAD_PARAMETER);
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
return_ACPI_STATUS(status);
}
element = (acpi_object *) buffer.pointer;
if ((element->type != ACPI_TYPE_STRING)
|| (element->type != ACPI_TYPE_BUFFER)
|| !element->string.length) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
return_ACPI_STATUS(AE_BAD_DATA);
}
*data = kmalloc(element->string.length + 1, GFP_KERNEL);
if (!data) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Memory allocation error\n"));
return_VALUE(-ENOMEM);
}
memset(*data, 0, element->string.length + 1);
memcpy(*data, element->string.pointer, element->string.length);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%s]\n", *data));
acpi_os_free(buffer.pointer);
return_ACPI_STATUS(AE_OK);
}
acpi_status
acpi_evaluate_string(acpi_handle handle,
acpi_string pathname,
acpi_object_list * arguments, acpi_string * data)
{
acpi_status status = AE_OK;
acpi_object *element = NULL;
acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
if (!data)
return AE_BAD_PARAMETER;
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
return status;
}
element = (acpi_object *) buffer.pointer;
if ((element->type != ACPI_TYPE_STRING)
|| (element->type != ACPI_TYPE_BUFFER)
|| !element->string.length) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
return AE_BAD_DATA;
}
*data = kmalloc(element->string.length + 1, GFP_KERNEL);
if (!data) {
printk(KERN_ERR PREFIX "Memory allocation\n");
return -ENOMEM;
}
memset(*data, 0, element->string.length + 1);
memcpy(*data, element->string.pointer, element->string.length);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%s]\n", *data));
kfree(buffer.pointer);
return AE_OK;
}
acpi_status
acpi_evaluate_integer(acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments, unsigned long *data)
{
acpi_status status = AE_OK;
union acpi_object *element;
struct acpi_buffer buffer = { 0, NULL };
if (!data)
return AE_BAD_PARAMETER;
element = kmalloc(sizeof(union acpi_object), irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
if (!element)
return AE_NO_MEMORY;
memset(element, 0, sizeof(union acpi_object));
buffer.length = sizeof(union acpi_object);
buffer.pointer = element;
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status)) {
acpi_util_eval_error(handle, pathname, status);
kfree(element);
return status;
}
if (element->type != ACPI_TYPE_INTEGER) {
acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
kfree(element);
return AE_BAD_DATA;
}
*data = element->integer.value;
kfree(element);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data));
return AE_OK;
}
acpi_status
acpi_evaluate_reference(acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments,
struct acpi_handle_list *list)
{
acpi_status status = AE_OK;
union acpi_object *package = NULL;
union acpi_object *element = NULL;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
u32 i = 0;
if (!list) {
return AE_BAD_PARAMETER;
}
/* Evaluate object. */
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status))
goto end;
package = buffer.pointer;
if ((buffer.length == 0) || !package) {
printk(KERN_ERR PREFIX "No return object (len %X ptr %p)\n",
(unsigned)buffer.length, package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->type != ACPI_TYPE_PACKAGE) {
printk(KERN_ERR PREFIX "Expecting a [Package], found type %X\n",
package->type);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (!package->package.count) {
printk(KERN_ERR PREFIX "[Package] has zero elements (%p)\n",
package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->package.count > ACPI_MAX_HANDLES) {
return AE_NO_MEMORY;
}
list->count = package->package.count;
/* Extract package data. */
for (i = 0; i < list->count; i++) {
element = &(package->package.elements[i]);
if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
status = AE_BAD_DATA;
printk(KERN_ERR PREFIX
"Expecting a [Reference] package element, found type %X\n",
element->type);
acpi_util_eval_error(handle, pathname, status);
break;
}
if (!element->reference.handle) {
printk(KERN_WARNING PREFIX "Invalid reference in"
" package %s\n", pathname);
status = AE_NULL_ENTRY;
break;
}
/* Get the acpi_handle. */
list->handles[i] = element->reference.handle;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found reference [%p]\n",
list->handles[i]));
}
end:
if (ACPI_FAILURE(status)) {
list->count = 0;
//kfree(list->handles);
}
kfree(buffer.pointer);
return status;
}
acpi_status
acpi_evaluate_reference(acpi_handle handle,
acpi_string pathname,
struct acpi_object_list *arguments,
struct acpi_handle_list *list)
{
acpi_status status = AE_OK;
union acpi_object *package = NULL;
union acpi_object *element = NULL;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
u32 i = 0;
ACPI_FUNCTION_TRACE("acpi_evaluate_reference");
if (!list) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Evaluate object. */
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status))
goto end;
package = (union acpi_object *)buffer.pointer;
if ((buffer.length == 0) || !package) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"No return object (len %X ptr %p)\n",
(unsigned)buffer.length, package));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->type != ACPI_TYPE_PACKAGE) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Expecting a [Package], found type %X\n",
package->type));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (!package->package.count) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"[Package] has zero elements (%p)\n",
package));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->package.count > ACPI_MAX_HANDLES) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
list->count = package->package.count;
/* Extract package data. */
for (i = 0; i < list->count; i++) {
element = &(package->package.elements[i]);
if (element->type != ACPI_TYPE_ANY) {
status = AE_BAD_DATA;
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Expecting a [Reference] package element, found type %X\n",
element->type));
acpi_util_eval_error(handle, pathname, status);
break;
}
/* Get the acpi_handle. */
list->handles[i] = element->reference.handle;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found reference [%p]\n",
list->handles[i]));
}
end:
if (ACPI_FAILURE(status)) {
list->count = 0;
//kfree(list->handles);
}
acpi_os_free(buffer.pointer);
return_ACPI_STATUS(status);
}
ACPI_STATUS
acpi_evaluate_reference (
ACPI_HANDLE handle,
ACPI_STRING pathname,
ACPI_OBJECT_LIST *arguments,
struct acpi_handle_list *list)
{
ACPI_STATUS status = AE_OK;
ACPI_OBJECT *package = NULL;
ACPI_OBJECT *element = NULL;
ACPI_BUFFER buffer = {ACPI_ALLOCATE_BUFFER, NULL};
UINT32 i = 0;
ACPI_FUNCTION_TRACE("acpi_evaluate_reference");
if (!list) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Evaluate object. */
status = AcpiEvaluateObject(handle, pathname, arguments, &buffer);
if (ACPI_FAILURE(status))
goto end;
package = (ACPI_OBJECT *) buffer.Pointer;
if ((buffer.Length == 0) || !package) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"No return object (len %X ptr %p)\n",
buffer.Length, package));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->Type != ACPI_TYPE_PACKAGE) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Expecting a [Package], found type %X\n",
package->Type));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (!package->Package.Count) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"[Package] has zero elements (%p)\n",
package));
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->Package.Count > ACPI_MAX_HANDLES) {
return AE_NO_MEMORY;
}
list->count = package->Package.Count;
/* Extract package data. */
for (i = 0; i < list->count; i++) {
element = &(package->Package.Elements[i]);
if (element->Type != ACPI_TYPE_LOCAL_REFERENCE) {
status = AE_BAD_DATA;
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Expecting a [Reference] package element, found type %X\n",
element->type));
acpi_util_eval_error(handle, pathname, status);
break;
}
if (!element->Reference.Handle) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid reference in"
" package %s\n", pathname));
status = AE_NULL_ENTRY;
break;
}
/* Get the ACPI_HANDLE. */
list->handles[i] = element->Reference.Handle;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found reference [%p]\n",
list->handles[i]));
}
end:
if (ACPI_FAILURE(status)) {
list->count = 0;
//ExFreePool(list->handles);
}
if (buffer.Pointer)
AcpiOsFree(buffer.Pointer);
return_ACPI_STATUS(status);
}
