コード例 #1
0
ファイル: nsutils.c プロジェクト: AdrianHuang/linux-3.8.13
void
acpi_ns_print_node_pathname(struct acpi_namespace_node *node,
			    const char *message)
{
	struct acpi_buffer buffer;
	acpi_status status;

	if (!node) {
		acpi_os_printf("[NULL NAME]");
		return;
	}

	/* Convert handle to full pathname and print it (with supplied message) */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;

	status = acpi_ns_handle_to_pathname(node, &buffer);
	if (ACPI_SUCCESS(status)) {
		if (message) {
			acpi_os_printf("%s ", message);
		}

		acpi_os_printf("[%s] (Node %p)", (char *)buffer.pointer, node);
		ACPI_FREE(buffer.pointer);
	}
}
コード例 #2
0
ファイル: dbnames.c プロジェクト: JamesChenFromChina/linux
static acpi_status
acpi_db_walk_for_specific_objects(acpi_handle obj_handle,
				  u32 nesting_level,
				  void *context, void **return_value)
{
	struct acpi_walk_info *info = (struct acpi_walk_info *)context;
	struct acpi_buffer buffer;
	acpi_status status;

	info->count++;

	/* Get and display the full pathname to this object */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
	status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
	if (ACPI_FAILURE(status)) {
		acpi_os_printf("Could Not get pathname for object %p\n",
			       obj_handle);
		return (AE_OK);
	}

	acpi_os_printf("%32s", (char *)buffer.pointer);
	ACPI_FREE(buffer.pointer);

	/* Dump short info about the object */

	(void)acpi_ns_dump_one_object(obj_handle, nesting_level, info, NULL);
	return (AE_OK);
}
コード例 #3
0
ファイル: dsdebug.c プロジェクト: a2hojsjsjs/linux
static void
acpi_ds_print_node_pathname(struct acpi_namespace_node *node,
			    const char *message)
{
	struct acpi_buffer buffer;
	acpi_status status;

	ACPI_FUNCTION_TRACE(ds_print_node_pathname);

	if (!node) {
		ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[NULL NAME]"));
		return_VOID;
	}

	/* Convert handle to full pathname and print it (with supplied message) */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;

	status = acpi_ns_handle_to_pathname(node, &buffer, TRUE);
	if (ACPI_SUCCESS(status)) {
		if (message) {
			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "%s ",
					      message));
		}

		ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[%s] (Node %p)",
				      (char *)buffer.pointer, node));
		ACPI_FREE(buffer.pointer);
	}

	return_VOID;
}
コード例 #4
0
ファイル: nsxfname.c プロジェクト: E-LLP/n900
/******************************************************************************
 *
 * FUNCTION:    acpi_get_name
 *
 * PARAMETERS:  Handle          - Handle to be converted to a pathname
 *              name_type       - Full pathname or single segment
 *              Buffer          - Buffer for returned path
 *
 * RETURN:      Pointer to a string containing the fully qualified Name.
 *
 * DESCRIPTION: This routine returns the fully qualified name associated with
 *              the Handle parameter.  This and the acpi_pathname_to_handle are
 *              complementary functions.
 *
 ******************************************************************************/
acpi_status
acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
{
	acpi_status status;
	struct acpi_namespace_node *node;

	/* Parameter validation */

	if (name_type > ACPI_NAME_TYPE_MAX) {
		return (AE_BAD_PARAMETER);
	}

	status = acpi_ut_validate_buffer(buffer);
	if (ACPI_FAILURE(status)) {
		return (status);
	}

	if (name_type == ACPI_FULL_PATHNAME) {

		/* Get the full pathname (From the namespace root) */

		status = acpi_ns_handle_to_pathname(handle, buffer);
		return (status);
	}

	/*
	 * Wants the single segment ACPI name.
	 * Validate handle and convert to a namespace Node
	 */
	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
	if (ACPI_FAILURE(status)) {
		return (status);
	}

	node = acpi_ns_map_handle_to_node(handle);
	if (!node) {
		status = AE_BAD_PARAMETER;
		goto unlock_and_exit;
	}

	/* Validate/Allocate/Clear caller buffer */

	status = acpi_ut_initialize_buffer(buffer, ACPI_PATH_SEGMENT_LENGTH);
	if (ACPI_FAILURE(status)) {
		goto unlock_and_exit;
	}

	/* Just copy the ACPI name from the Node and zero terminate it */

	ACPI_STRNCPY(buffer->pointer, acpi_ut_get_node_name(node),
		     ACPI_NAME_SIZE);
	((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0;
	status = AE_OK;

      unlock_and_exit:

	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
	return (status);
}
コード例 #5
0
ファイル: dbdisasm.c プロジェクト: TKr/Wive-ng-rt8186
acpi_status
acpi_ps_display_object_pathname (
	acpi_walk_state         *walk_state,
	acpi_parse_object       *op)
{
	acpi_status             status;
	acpi_namespace_node     *node;
	NATIVE_CHAR             buffer[MAX_SHOW_ENTRY];
	u32                     buffer_size = MAX_SHOW_ENTRY;
	u32                     debug_level;


	/* Save current debug level so we don't get extraneous debug output */

	debug_level = acpi_dbg_level;
	acpi_dbg_level = 0;

	/* Just get the Node out of the Op object */

	node = op->node;
	if (!node) {
		/* Node not defined in this scope, look it up */

		status = acpi_ns_lookup (walk_state->scope_info, op->value.string, ACPI_TYPE_ANY,
				  IMODE_EXECUTE, NS_SEARCH_PARENT, walk_state, &(node));

		if (ACPI_FAILURE (status)) {
			/*
			 * We can't get the pathname since the object
			 * is not in the namespace.  This can happen during single
			 * stepping where a dynamic named object is *about* to be created.
			 */
			acpi_os_printf (" [Path not found]");
			goto exit;
		}

		/* Save it for next time. */

		op->node = node;
	}

	/* Convert Named_desc/handle to a full pathname */

	status = acpi_ns_handle_to_pathname (node, &buffer_size, buffer);
	if (ACPI_FAILURE (status)) {
		acpi_os_printf ("****Could not get pathname****)");
		goto exit;
	}

	acpi_os_printf (" (Path %s)", buffer);


exit:
	/* Restore the debug level */

	acpi_dbg_level = debug_level;
	return (status);
}
コード例 #6
0
ファイル: utmisc.c プロジェクト: kzlin129/tt-gpl
void
acpi_ut_display_init_pathname (
	u8                              type,
	struct acpi_namespace_node      *obj_handle,
	char                            *path)
{
	acpi_status                     status;
	struct acpi_buffer              buffer;


	ACPI_FUNCTION_ENTRY ();


	/* Only print the path if the appropriate debug level is enabled */

	if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
		return;
	}

	/* Get the full pathname to the node */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
	status = acpi_ns_handle_to_pathname (obj_handle, &buffer);
	if (ACPI_FAILURE (status)) {
		return;
	}

	/* Print what we're doing */

	switch (type) {
	case ACPI_TYPE_METHOD:
		acpi_os_printf ("Executing  ");
		break;

	default:
		acpi_os_printf ("Initializing ");
		break;
	}

	/* Print the object type and pathname */

	acpi_os_printf ("%-12s %s",
		acpi_ut_get_type_name (type), (char *) buffer.pointer);

	/* Extra path is used to append names like _STA, _INI, etc. */

	if (path) {
		acpi_os_printf (".%s", path);
	}
	acpi_os_printf ("\n");

	ACPI_MEM_FREE (buffer.pointer);
}
コード例 #7
0
ファイル: dbnames.c プロジェクト: JamesChenFromChina/linux
static acpi_status
acpi_db_walk_and_match_name(acpi_handle obj_handle,
			    u32 nesting_level,
			    void *context, void **return_value)
{
	acpi_status status;
	char *requested_name = (char *)context;
	u32 i;
	struct acpi_buffer buffer;
	struct acpi_walk_info info;

	/* Check for a name match */

	for (i = 0; i < 4; i++) {

		/* Wildcard support */

		if ((requested_name[i] != '?') &&
		    (requested_name[i] != ((struct acpi_namespace_node *)
					   obj_handle)->name.ascii[i])) {

			/* No match, just exit */

			return (AE_OK);
		}
	}

	/* Get the full pathname to this object */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
	status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
	if (ACPI_FAILURE(status)) {
		acpi_os_printf("Could Not get pathname for object %p\n",
			       obj_handle);
	} else {
		info.owner_id = ACPI_OWNER_ID_MAX;
		info.debug_level = ACPI_UINT32_MAX;
		info.display_type = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT;

		acpi_os_printf("%32s", (char *)buffer.pointer);
		(void)acpi_ns_dump_one_object(obj_handle, nesting_level, &info,
					      NULL);
		ACPI_FREE(buffer.pointer);
	}

	return (AE_OK);
}
コード例 #8
0
acpi_status
acpi_db_walk_and_match_name (
	acpi_handle             obj_handle,
	u32                     nesting_level,
	void                    *context,
	void                    **return_value)
{
	acpi_status             status;
	NATIVE_CHAR             *requested_name = (NATIVE_CHAR *) context;
	u32                     i;
	u32                     buf_size;
	NATIVE_CHAR             buffer[96];


	/* Check for a name match */

	for (i = 0; i < 4; i++) {
		/* Wildcard support */

		if ((requested_name[i] != '?') &&
			(requested_name[i] != ((NATIVE_CHAR *) (&((acpi_namespace_node *) obj_handle)->name))[i])) {
			/* No match, just exit */

			return (AE_OK);
		}
	}


	/* Get the full pathname to this object */

	buf_size = sizeof (buffer) / sizeof (*buffer);

	status = acpi_ns_handle_to_pathname (obj_handle, &buf_size, buffer);
	if (ACPI_FAILURE (status)) {
		acpi_os_printf ("Could Not get pathname for object %p\n", obj_handle);
	}

	else {
		acpi_os_printf ("%32s (%p) - %s\n", buffer, obj_handle,
			acpi_ut_get_type_name (((acpi_namespace_node *) obj_handle)->type));
	}

	return (AE_OK);
}
コード例 #9
0
ファイル: utmisc.c プロジェクト: TKr/Wive-ng-rt8186
void
acpi_ut_display_init_pathname (
	acpi_handle             obj_handle,
	char                    *path)
{
	acpi_status             status;
	u32                     length = 128;
	char                    buffer[128];


	PROC_NAME ("Ut_display_init_pathname");


	status = acpi_ns_handle_to_pathname (obj_handle, &length, buffer);
	if (ACPI_SUCCESS (status)) {
		if (path) {
			ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s.%s\n", buffer, path));
		}
		else {
			ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "%s\n", buffer));
		}
	}
}
コード例 #10
0
ファイル: exdump.c プロジェクト: FatSunHYS/OSCourseDesign
static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
{
	struct acpi_buffer ret_buf;
	acpi_status status;

	ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;

	if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
		acpi_os_printf("Named Object %p ", obj_desc->reference.node);

		status =
		    acpi_ns_handle_to_pathname(obj_desc->reference.node,
					       &ret_buf);
		if (ACPI_FAILURE(status)) {
			acpi_os_printf("Could not convert name to pathname\n");
		} else {
			acpi_os_printf("%s\n", (char *)ret_buf.pointer);
			ACPI_FREE(ret_buf.pointer);
		}
	} else if (obj_desc->reference.object) {
		acpi_os_printf("\nReferenced Object: %p\n",
			       obj_desc->reference.object);
	}
}
コード例 #11
0
ファイル: dbnames.c プロジェクト: JamesChenFromChina/linux
static acpi_status
acpi_db_bus_walk(acpi_handle obj_handle,
		 u32 nesting_level, void *context, void **return_value)
{
	struct acpi_namespace_node *node =
	    (struct acpi_namespace_node *)obj_handle;
	acpi_status status;
	struct acpi_buffer buffer;
	struct acpi_namespace_node *temp_node;
	struct acpi_device_info *info;
	u32 i;

	if ((node->type != ACPI_TYPE_DEVICE) &&
	    (node->type != ACPI_TYPE_PROCESSOR)) {
		return (AE_OK);
	}

	/* Exit if there is no _PRT under this device */

	status = acpi_get_handle(node, METHOD_NAME__PRT,
				 ACPI_CAST_PTR(acpi_handle, &temp_node));
	if (ACPI_FAILURE(status)) {
		return (AE_OK);
	}

	/* Get the full path to this device object */

	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
	status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
	if (ACPI_FAILURE(status)) {
		acpi_os_printf("Could Not get pathname for object %p\n",
			       obj_handle);
		return (AE_OK);
	}

	status = acpi_get_object_info(obj_handle, &info);
	if (ACPI_FAILURE(status)) {
		return (AE_OK);
	}

	/* Display the full path */

	acpi_os_printf("%-32s Type %X", (char *)buffer.pointer, node->type);
	ACPI_FREE(buffer.pointer);

	if (info->flags & ACPI_PCI_ROOT_BRIDGE) {
		acpi_os_printf(" - Is PCI Root Bridge");
	}
	acpi_os_printf("\n");

	/* _PRT info */

	acpi_os_printf("_PRT: %p\n", temp_node);

	/* Dump _ADR, _HID, _UID, _CID */

	if (info->valid & ACPI_VALID_ADR) {
		acpi_os_printf("_ADR: %8.8X%8.8X\n",
			       ACPI_FORMAT_UINT64(info->address));
	} else {
		acpi_os_printf("_ADR: <Not Present>\n");
	}

	if (info->valid & ACPI_VALID_HID) {
		acpi_os_printf("_HID: %s\n", info->hardware_id.string);
	} else {
		acpi_os_printf("_HID: <Not Present>\n");
	}

	if (info->valid & ACPI_VALID_UID) {
		acpi_os_printf("_UID: %s\n", info->unique_id.string);
	} else {
		acpi_os_printf("_UID: <Not Present>\n");
	}

	if (info->valid & ACPI_VALID_CID) {
		for (i = 0; i < info->compatible_id_list.count; i++) {
			acpi_os_printf("_CID: %s\n",
				       info->compatible_id_list.ids[i].string);
		}
	} else {
		acpi_os_printf("_CID: <Not Present>\n");
	}

	ACPI_FREE(info);
	return (AE_OK);
}
コード例 #12
0
ファイル: nsxfname.c プロジェクト: TKr/Wive-ng-rt8186
acpi_status
acpi_get_name (
	acpi_handle             handle,
	u32                     name_type,
	acpi_buffer             *ret_path_ptr)
{
	acpi_status             status;
	acpi_namespace_node     *node;


	/* Buffer pointer must be valid always */

	if (!ret_path_ptr || (name_type > ACPI_NAME_TYPE_MAX)) {
		return (AE_BAD_PARAMETER);
	}

	/* Allow length to be zero and ignore the pointer */

	if ((ret_path_ptr->length) &&
	   (!ret_path_ptr->pointer)) {
		return (AE_BAD_PARAMETER);
	}

	if (name_type == ACPI_FULL_PATHNAME) {
		/* Get the full pathname (From the namespace root) */

		status = acpi_ns_handle_to_pathname (handle, &ret_path_ptr->length,
				   ret_path_ptr->pointer);
		return (status);
	}

	/*
	 * Wants the single segment ACPI name.
	 * Validate handle and convert to an Node
	 */
	acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
	node = acpi_ns_map_handle_to_node (handle);
	if (!node) {
		status = AE_BAD_PARAMETER;
		goto unlock_and_exit;
	}

	/* Check if name will fit in buffer */

	if (ret_path_ptr->length < PATH_SEGMENT_LENGTH) {
		ret_path_ptr->length = PATH_SEGMENT_LENGTH;
		status = AE_BUFFER_OVERFLOW;
		goto unlock_and_exit;
	}

	/* Just copy the ACPI name from the Node and zero terminate it */

	STRNCPY (ret_path_ptr->pointer, (NATIVE_CHAR *) &node->name,
			 ACPI_NAME_SIZE);
	((NATIVE_CHAR *) ret_path_ptr->pointer) [ACPI_NAME_SIZE] = 0;
	status = AE_OK;


unlock_and_exit:

	acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
	return (status);
}
コード例 #13
0
acpi_status
acpi_db_walk_for_specific_objects (
	acpi_handle             obj_handle,
	u32                     nesting_level,
	void                    *context,
	void                    **return_value)
{
	acpi_operand_object     *obj_desc;
	acpi_status             status;
	u32                     buf_size;
	NATIVE_CHAR             buffer[64];


	obj_desc = ((acpi_namespace_node *)obj_handle)->object;
	buf_size = sizeof (buffer) / sizeof (*buffer);

	/* Get and display the full pathname to this object */

	status = acpi_ns_handle_to_pathname (obj_handle, &buf_size, buffer);

	if (ACPI_FAILURE (status)) {
		acpi_os_printf ("Could Not get pathname for object %p\n", obj_handle);
		return (AE_OK);
	}

	acpi_os_printf ("%32s", buffer);


	/* Display short information about the object */

	if (obj_desc) {
		switch (obj_desc->common.type) {
		case ACPI_TYPE_METHOD:
			acpi_os_printf (" #Args %d Concurrency %X", obj_desc->method.param_count, obj_desc->method.concurrency);
			break;

		case ACPI_TYPE_INTEGER:
			acpi_os_printf (" Value %X", obj_desc->integer.value);
			break;

		case ACPI_TYPE_STRING:
			acpi_os_printf (" \"%s\"", obj_desc->string.pointer);
			break;

		case ACPI_TYPE_REGION:
			acpi_os_printf (" Space_id %X Address %X Length %X", obj_desc->region.space_id, obj_desc->region.address, obj_desc->region.length);
			break;

		case ACPI_TYPE_PACKAGE:
			acpi_os_printf (" #Elements %X", obj_desc->package.count);
			break;

		case ACPI_TYPE_BUFFER:
			acpi_os_printf (" Length %X", obj_desc->buffer.length);
			break;
		}
	}

	acpi_os_printf ("\n");
	return (AE_OK);
}
コード例 #14
0
ファイル: rscreate.c プロジェクト: TKr/Wive-ng-rt8186
acpi_status
acpi_rs_create_pci_routing_table (
	acpi_operand_object     *package_object,
	u8                      *output_buffer,
	u32                     *output_buffer_length)
{
	u8                      *buffer = output_buffer;
	acpi_operand_object     **top_object_list = NULL;
	acpi_operand_object     **sub_object_list = NULL;
	acpi_operand_object     *package_element = NULL;
	u32                     buffer_size_needed = 0;
	u32                     number_of_elements = 0;
	u32                     index = 0;
	pci_routing_table       *user_prt = NULL;
	acpi_namespace_node     *node;
	acpi_status             status;


	FUNCTION_TRACE ("Rs_create_pci_routing_table");


	/*
	 * Params already validated, so we don't re-validate here
	 */
	status = acpi_rs_calculate_pci_routing_table_length (package_object,
			 &buffer_size_needed);

	if (!ACPI_SUCCESS(status)) {
		return_ACPI_STATUS (status);
	}

	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Buffer_size_needed = %X\n", buffer_size_needed));

	/*
	 * If the data will fit into the available buffer
	 * call to fill in the list
	 */
	if (buffer_size_needed <= *output_buffer_length) {
		/*
		 * Zero out the return buffer before proceeding
		 */
		MEMSET (output_buffer, 0x00, *output_buffer_length);

		/*
		 * Loop through the ACPI_INTERNAL_OBJECTS - Each object should
		 * contain a u32 Address, a u8 Pin, a Name and a u8
		 * Source_index.
		 */
		top_object_list     = package_object->package.elements;
		number_of_elements  = package_object->package.count;
		user_prt            = (pci_routing_table *) buffer;


		buffer = ROUND_PTR_UP_TO_8 (buffer, u8);

		for (index = 0; index < number_of_elements; index++) {
			/*
			 * Point User_prt past this current structure
			 *
			 * NOTE: On the first iteration, User_prt->Length will
			 * be zero because we cleared the return buffer earlier
			 */
			buffer += user_prt->length;
			user_prt = (pci_routing_table *) buffer;


			/*
			 * Fill in the Length field with the information we
			 * have at this point.
			 * The minus four is to subtract the size of the
			 * u8 Source[4] member because it is added below.
			 */
			user_prt->length = (sizeof (pci_routing_table) -4);

			/*
			 * Dereference the sub-package
			 */
			package_element = *top_object_list;

			/*
			 * The Sub_object_list will now point to an array of
			 * the four IRQ elements: Address, Pin, Source and
			 * Source_index
			 */
			sub_object_list = package_element->package.elements;

			/*
			 * 1) First subobject:  Dereference the Address
			 */
			if (ACPI_TYPE_INTEGER == (*sub_object_list)->common.type) {
				user_prt->address = (*sub_object_list)->integer.value;
			}

			else {
				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Need Integer, found %s\n",
					acpi_ut_get_type_name ((*sub_object_list)->common.type)));
				return_ACPI_STATUS (AE_BAD_DATA);
			}

			/*
			 * 2) Second subobject: Dereference the Pin
			 */
			sub_object_list++;

			if (ACPI_TYPE_INTEGER == (*sub_object_list)->common.type) {
				user_prt->pin = (u32) (*sub_object_list)->integer.value;
			}

			else {
				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Need Integer, found %s\n",
					acpi_ut_get_type_name ((*sub_object_list)->common.type)));
				return_ACPI_STATUS (AE_BAD_DATA);
			}

			/*
			 * 3) Third subobject: Dereference the Source Name
			 */
			sub_object_list++;

			switch ((*sub_object_list)->common.type) {
			case INTERNAL_TYPE_REFERENCE:

				if ((*sub_object_list)->reference.opcode != AML_INT_NAMEPATH_OP) {
				   ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Need name, found reference op %X\n",
						(*sub_object_list)->reference.opcode));
					return_ACPI_STATUS (AE_BAD_DATA);
				}

				node = (*sub_object_list)->reference.node;

				/* TBD: use *remaining* length of the buffer! */

				status = acpi_ns_handle_to_pathname ((acpi_handle *) node,
						 output_buffer_length, user_prt->source);

				user_prt->length += STRLEN (user_prt->source) + 1; /* include null terminator */
				break;


			case ACPI_TYPE_STRING:

				STRCPY (user_prt->source,
					  (*sub_object_list)->string.pointer);

				/*
				 * Add to the Length field the length of the string
				 */
				user_prt->length += (*sub_object_list)->string.length;
				break;


			case ACPI_TYPE_INTEGER:
				/*
				 * If this is a number, then the Source Name
				 * is NULL, since the entire buffer was zeroed
				 * out, we can leave this alone.
				 */
				/*
				 * Add to the Length field the length of
				 * the u32 NULL
				 */
				user_prt->length += sizeof (u32);
				break;


			default:

			   ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Need Integer, found %s\n",
					acpi_ut_get_type_name ((*sub_object_list)->common.type)));
			   return_ACPI_STATUS (AE_BAD_DATA);
			   break;
			}

			/* Now align the current length */

			user_prt->length = ROUND_UP_TO_64_bITS (user_prt->length);

			/*
			 * 4) Fourth subobject: Dereference the Source Index
			 */
			sub_object_list++;

			if (ACPI_TYPE_INTEGER == (*sub_object_list)->common.type) {
				user_prt->source_index = (u32) (*sub_object_list)->integer.value;
			}

			else {
				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Need Integer, found %s\n",
					acpi_ut_get_type_name ((*sub_object_list)->common.type)));
				return_ACPI_STATUS (AE_BAD_DATA);
			}

			/*
			 * Point to the next acpi_operand_object
			 */
			top_object_list++;
		}

		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Output_buffer = %p\n", output_buffer));
	}

	else {
		*output_buffer_length = buffer_size_needed;

		return_ACPI_STATUS (AE_BUFFER_OVERFLOW);
	}

	/*
	 * Report the amount of buffer used
	 */
	*output_buffer_length = buffer_size_needed;
	return_ACPI_STATUS (AE_OK);
}
コード例 #15
0
ファイル: rscreate.c プロジェクト: kzlin129/tt-gpl
acpi_status
acpi_rs_create_pci_routing_table (
	union acpi_operand_object       *package_object,
	struct acpi_buffer              *output_buffer)
{
	u8                              *buffer;
	union acpi_operand_object       **top_object_list;
	union acpi_operand_object       **sub_object_list;
	union acpi_operand_object       *obj_desc;
	acpi_size                       buffer_size_needed = 0;
	u32                             number_of_elements;
	u32                             index;
	struct acpi_pci_routing_table   *user_prt;
	struct acpi_namespace_node      *node;
	acpi_status                     status;
	struct acpi_buffer              path_buffer;


	ACPI_FUNCTION_TRACE ("rs_create_pci_routing_table");


	/* Params already validated, so we don't re-validate here */

	/* Get the required buffer length */

	status = acpi_rs_get_pci_routing_table_length (package_object,
			 &buffer_size_needed);
	if (ACPI_FAILURE (status)) {
		return_ACPI_STATUS (status);
	}

	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "buffer_size_needed = %X\n",
		(u32) buffer_size_needed));

	/* Validate/Allocate/Clear caller buffer */

	status = acpi_ut_initialize_buffer (output_buffer, buffer_size_needed);
	if (ACPI_FAILURE (status)) {
		return_ACPI_STATUS (status);
	}

	/*
	 * Loop through the ACPI_INTERNAL_OBJECTS - Each object
	 * should be a package that in turn contains an
	 * acpi_integer Address, a u8 Pin, a Name and a u8 source_index.
	 */
	top_object_list  = package_object->package.elements;
	number_of_elements = package_object->package.count;
	buffer           = output_buffer->pointer;
	user_prt         = ACPI_CAST_PTR (struct acpi_pci_routing_table, buffer);

	for (index = 0; index < number_of_elements; index++) {
		/*
		 * Point user_prt past this current structure
		 *
		 * NOTE: On the first iteration, user_prt->Length will
		 * be zero because we cleared the return buffer earlier
		 */
		buffer += user_prt->length;
		user_prt = ACPI_CAST_PTR (struct acpi_pci_routing_table, buffer);

		/*
		 * Fill in the Length field with the information we have at this point.
		 * The minus four is to subtract the size of the u8 Source[4] member
		 * because it is added below.
		 */
		user_prt->length = (sizeof (struct acpi_pci_routing_table) - 4);

		/* Each element of the top-level package must also be a package */

		if (ACPI_GET_OBJECT_TYPE (*top_object_list) != ACPI_TYPE_PACKAGE) {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
				"(PRT[%X]) Need sub-package, found %s\n",
				index, acpi_ut_get_object_type_name (*top_object_list)));
			return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
		}

		/* Each sub-package must be of length 4 */

		if ((*top_object_list)->package.count != 4) {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
				"(PRT[%X]) Need package of length 4, found length %d\n",
				index, (*top_object_list)->package.count));
			return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT);
		}

		/*
		 * Dereference the sub-package.
		 * The sub_object_list will now point to an array of the four IRQ
		 * elements: [Address, Pin, Source, source_index]
		 */
		sub_object_list = (*top_object_list)->package.elements;

		/* 1) First subobject: Dereference the PRT.Address */

		obj_desc = sub_object_list[0];
		if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
			user_prt->address = obj_desc->integer.value;
		}
		else {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
				"(PRT[%X].Address) Need Integer, found %s\n",
				index, acpi_ut_get_object_type_name (obj_desc)));
			return_ACPI_STATUS (AE_BAD_DATA);
		}

		/* 2) Second subobject: Dereference the PRT.Pin */

		obj_desc = sub_object_list[1];
		if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
			user_prt->pin = (u32) obj_desc->integer.value;
		}
		else {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
				"(PRT[%X].Pin) Need Integer, found %s\n",
				index, acpi_ut_get_object_type_name (obj_desc)));
			return_ACPI_STATUS (AE_BAD_DATA);
		}

		/* 3) Third subobject: Dereference the PRT.source_name */

		obj_desc = sub_object_list[2];
		switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
		case ACPI_TYPE_LOCAL_REFERENCE:

			if (obj_desc->reference.opcode != AML_INT_NAMEPATH_OP) {
				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
					"(PRT[%X].Source) Need name, found reference op %X\n",
					index, obj_desc->reference.opcode));
				return_ACPI_STATUS (AE_BAD_DATA);
			}

			node = obj_desc->reference.node;

			/* Use *remaining* length of the buffer as max for pathname */

			path_buffer.length = output_buffer->length -
					   (u32) ((u8 *) user_prt->source -
					   (u8 *) output_buffer->pointer);
			path_buffer.pointer = user_prt->source;

			status = acpi_ns_handle_to_pathname ((acpi_handle) node, &path_buffer);

			/* +1 to include null terminator */

			user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1;
			break;


		case ACPI_TYPE_STRING:

			ACPI_STRCPY (user_prt->source, obj_desc->string.pointer);

			/*
			 * Add to the Length field the length of the string
			 * (add 1 for terminator)
			 */
			user_prt->length += obj_desc->string.length + 1;
			break;


		case ACPI_TYPE_INTEGER:
			/*
			 * If this is a number, then the Source Name is NULL, since the
			 * entire buffer was zeroed out, we can leave this alone.
			 *
			 * Add to the Length field the length of the u32 NULL
			 */
			user_prt->length += sizeof (u32);
			break;


		default:

		   ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
			   "(PRT[%X].Source) Need Ref/String/Integer, found %s\n",
				index, acpi_ut_get_object_type_name (obj_desc)));
		   return_ACPI_STATUS (AE_BAD_DATA);
		}

		/* Now align the current length */

		user_prt->length = (u32) ACPI_ROUND_UP_to_64_bITS (user_prt->length);

		/* 4) Fourth subobject: Dereference the PRT.source_index */

		obj_desc = sub_object_list[3];
		if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
			user_prt->source_index = (u32) obj_desc->integer.value;
		}
		else {
			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
				"(PRT[%X].source_index) Need Integer, found %s\n",
				index, acpi_ut_get_object_type_name (obj_desc)));
			return_ACPI_STATUS (AE_BAD_DATA);
		}

		/* Point to the next union acpi_operand_object in the top level package */

		top_object_list++;
	}

	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "output_buffer %p Length %X\n",
			output_buffer->pointer, (u32) output_buffer->length));
	return_ACPI_STATUS (AE_OK);
}
コード例 #16
0
static acpi_status
acpi_ut_copy_isimple_to_esimple (
	acpi_operand_object     *internal_object,
	acpi_object             *external_object,
	u8                      *data_space,
	u32                     *buffer_space_used)
{
	u32                     length = 0;
	acpi_status             status = AE_OK;


	FUNCTION_TRACE ("Ut_copy_isimple_to_esimple");


	/*
	 * Check for NULL object case (could be an uninitialized
	 * package element
	 */
	if (!internal_object) {
		*buffer_space_used = 0;
		return_ACPI_STATUS (AE_OK);
	}

	/* Always clear the external object */

	MEMSET (external_object, 0, sizeof (acpi_object));

	/*
	 * In general, the external object will be the same type as
	 * the internal object
	 */
	external_object->type = internal_object->common.type;

	/* However, only a limited number of external types are supported */

	switch (internal_object->common.type) {

	case ACPI_TYPE_STRING:

		length = internal_object->string.length + 1;
		external_object->string.length = internal_object->string.length;
		external_object->string.pointer = (NATIVE_CHAR *) data_space;
		MEMCPY ((void *) data_space, (void *) internal_object->string.pointer, length);
		break;


	case ACPI_TYPE_BUFFER:

		length = internal_object->buffer.length;
		external_object->buffer.length = internal_object->buffer.length;
		external_object->buffer.pointer = data_space;
		MEMCPY ((void *) data_space, (void *) internal_object->buffer.pointer, length);
		break;


	case ACPI_TYPE_INTEGER:

		external_object->integer.value= internal_object->integer.value;
		break;


	case INTERNAL_TYPE_REFERENCE:

		/*
		 * This is an object reference.  Attempt to dereference it.
		 */
		switch (internal_object->reference.opcode) {
		case AML_ZERO_OP:
			external_object->type = ACPI_TYPE_INTEGER;
			external_object->integer.value = 0;
			break;

		case AML_ONE_OP:
			external_object->type = ACPI_TYPE_INTEGER;
			external_object->integer.value = 1;
			break;

		case AML_ONES_OP:
			external_object->type = ACPI_TYPE_INTEGER;
			external_object->integer.value = ACPI_INTEGER_MAX;
			break;

		case AML_REVISION_OP:
			external_object->type = ACPI_TYPE_INTEGER;
			external_object->integer.value = ACPI_CA_SUPPORT_LEVEL;
			break;

		case AML_INT_NAMEPATH_OP:
			/*
			 * This is a named reference, get the string.  We already know that
			 * we have room for it, use max length
			 */
			length = MAX_STRING_LENGTH;
			external_object->type = ACPI_TYPE_STRING;
			external_object->string.pointer = (NATIVE_CHAR *) data_space;
			status = acpi_ns_handle_to_pathname ((acpi_handle *) internal_object->reference.node,
					 &length, (char *) data_space);

			/* Converted (external) string length is returned from above */

			external_object->string.length = length;
			break;

		default:
			/*
			 * Use the object type of "Any" to indicate a reference
			 * to object containing a handle to an ACPI named object.
			 */
			external_object->type = ACPI_TYPE_ANY;
			external_object->reference.handle = internal_object->reference.node;
			break;
		}
		break;


	case ACPI_TYPE_PROCESSOR:

		external_object->processor.proc_id = internal_object->processor.proc_id;
		external_object->processor.pblk_address = internal_object->processor.address;
		external_object->processor.pblk_length = internal_object->processor.length;
		break;


	case ACPI_TYPE_POWER:

		external_object->power_resource.system_level =
				   internal_object->power_resource.system_level;

		external_object->power_resource.resource_order =
				   internal_object->power_resource.resource_order;
		break;


	default:
		/*
		 * There is no corresponding external object type
		 */
		return_ACPI_STATUS (AE_SUPPORT);
		break;
	}


	*buffer_space_used = (u32) ROUND_UP_TO_NATIVE_WORD (length);

	return_ACPI_STATUS (status);
}