patch-2.4.10 linux/drivers/acpi/namespace/nsdump.c

• Lines: 562
• Date: Sun Sep 23 09:42:32 2001
• Orig file: v2.4.9/linux/drivers/acpi/namespace/nsdump.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/drivers/acpi/namespace/nsdump.c linux/drivers/acpi/namespace/nsdump.c
@@ -0,0 +1,561 @@
+/******************************************************************************
+ *
+ * Module Name: nsdump - table dumping routines for debug
+ *              $Revision: 99 $
+ *
+ *****************************************************************************/
+
+/*
+ *  Copyright (C) 2000, 2001 R. Byron Moore
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "acpi.h"
+#include "acinterp.h"
+#include "acnamesp.h"
+#include "actables.h"
+
+
+#define _COMPONENT          ACPI_NAMESPACE
+	 MODULE_NAME         ("nsdump")
+
+
+#if defined(ACPI_DEBUG) || defined(ENABLE_DEBUGGER)
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_pathname
+ *
+ * PARAMETERS:  Handle              - Object
+ *              Msg                 - Prefix message
+ *              Level               - Desired debug level
+ *              Component           - Caller's component ID
+ *
+ * DESCRIPTION: Print an object's full namespace pathname
+ *              Manages allocation/freeing of a pathname buffer
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_dump_pathname (
+	acpi_handle             handle,
+	NATIVE_CHAR             *msg,
+	u32                     level,
+	u32                     component)
+{
+	NATIVE_CHAR             *buffer;
+	u32                     length;
+
+
+	FUNCTION_TRACE ("Ns_dump_pathname");
+
+
+	/* Do this only if the requested debug level and component are enabled */
+
+	if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
+		return_ACPI_STATUS (AE_OK);
+	}
+
+	buffer = ACPI_MEM_ALLOCATE (PATHNAME_MAX);
+	if (!buffer) {
+		return_ACPI_STATUS (AE_NO_MEMORY);
+	}
+
+	/* Convert handle to a full pathname and print it (with supplied message) */
+
+	length = PATHNAME_MAX;
+	if (ACPI_SUCCESS (acpi_ns_handle_to_pathname (handle, &length, buffer))) {
+		acpi_os_printf ("%s %s (%p)\n", msg, buffer, handle);
+	}
+
+	ACPI_MEM_FREE (buffer);
+
+	return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_one_object
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Level               - Nesting level of the handle
+ *              Context             - Passed into Walk_namespace
+ *
+ * DESCRIPTION: Dump a single Node
+ *              This procedure is a User_function called by Acpi_ns_walk_namespace.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_dump_one_object (
+	acpi_handle             obj_handle,
+	u32                     level,
+	void                    *context,
+	void                    **return_value)
+{
+	ACPI_WALK_INFO          *info = (ACPI_WALK_INFO *) context;
+	acpi_namespace_node     *this_node;
+	u8                      *value;
+	acpi_operand_object     *obj_desc = NULL;
+	acpi_object_type8       obj_type;
+	acpi_object_type8       type;
+	u32                     bytes_to_dump;
+	u32                     downstream_sibling_mask = 0;
+	u32                     level_tmp;
+	u32                     which_bit;
+
+
+	PROC_NAME ("Ns_dump_one_object");
+
+
+	this_node = acpi_ns_convert_handle_to_entry (obj_handle);
+
+	level_tmp   = level;
+	type        = this_node->type;
+	which_bit   = 1;
+
+
+	if (!(acpi_dbg_level & info->debug_level)) {
+		return (AE_OK);
+	}
+
+	if (!obj_handle) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Null object handle\n"));
+		return (AE_OK);
+	}
+
+	/* Check if the owner matches */
+
+	if ((info->owner_id != ACPI_UINT32_MAX) &&
+		(info->owner_id != this_node->owner_id)) {
+		return (AE_OK);
+	}
+
+
+	/* Indent the object according to the level */
+
+	while (level_tmp--) {
+
+		/* Print appropriate characters to form tree structure */
+
+		if (level_tmp) {
+			if (downstream_sibling_mask & which_bit) {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "|"));
+			}
+
+			else {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
+			}
+
+			which_bit <<= 1;
+		}
+
+		else {
+			if (acpi_ns_exist_downstream_sibling (this_node + 1)) {
+				downstream_sibling_mask |= (1 << (level - 1));
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "+"));
+			}
+
+			else {
+				downstream_sibling_mask &= ACPI_UINT32_MAX ^ (1 << (level - 1));
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "+"));
+			}
+
+			if (this_node->child == NULL) {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "-"));
+			}
+
+			else if (acpi_ns_exist_downstream_sibling (this_node->child)) {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "+"));
+			}
+
+			else {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "-"));
+			}
+		}
+	}
+
+
+	/* Check the integrity of our data */
+
+	if (type > INTERNAL_TYPE_MAX) {
+		type = INTERNAL_TYPE_DEF_ANY;                                /* prints as *ERROR* */
+	}
+
+	if (!acpi_ut_valid_acpi_name (this_node->name)) {
+		REPORT_WARNING (("Invalid ACPI Name %08X\n", this_node->name));
+	}
+
+	/*
+	 * Now we can print out the pertinent information
+	 */
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " %4.4s %-9s ", &this_node->name, acpi_ut_get_type_name (type)));
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "%p S:%p O:%p",  this_node, this_node->child, this_node->object));
+
+
+	if (!this_node->object) {
+		/* No attached object, we are done */
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "\n"));
+		return (AE_OK);
+	}
+
+	switch (type) {
+
+	case ACPI_TYPE_METHOD:
+
+		/* Name is a Method and its AML offset/length are set */
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " M:%p-%X\n",
+				 ((acpi_operand_object  *) this_node->object)->method.pcode,
+				 ((acpi_operand_object  *) this_node->object)->method.pcode_length));
+
+		break;
+
+
+	case ACPI_TYPE_INTEGER:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " N:%X\n",
+				 ((acpi_operand_object  *) this_node->object)->integer.value));
+		break;
+
+
+	case ACPI_TYPE_STRING:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " S:%p-%X\n",
+				 ((acpi_operand_object  *) this_node->object)->string.pointer,
+				 ((acpi_operand_object  *) this_node->object)->string.length));
+		break;
+
+
+	case ACPI_TYPE_BUFFER:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " B:%p-%X\n",
+				 ((acpi_operand_object  *) this_node->object)->buffer.pointer,
+				 ((acpi_operand_object  *) this_node->object)->buffer.length));
+		break;
+
+
+	default:
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "\n"));
+		break;
+	}
+
+	/* If debug turned off, done */
+
+	if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
+		return (AE_OK);
+	}
+
+
+	/* If there is an attached object, display it */
+
+	value = this_node->object;
+
+	/* Dump attached objects */
+
+	while (value) {
+		obj_type = INTERNAL_TYPE_INVALID;
+
+		/* Decode the type of attached object and dump the contents */
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "        Attached Object %p: ", value));
+
+		if (acpi_tb_system_table_pointer (value)) {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "(Ptr to AML Code)\n"));
+			bytes_to_dump = 16;
+		}
+
+		else if (VALID_DESCRIPTOR_TYPE (value, ACPI_DESC_TYPE_NAMED)) {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "(Ptr to Node)\n"));
+			bytes_to_dump = sizeof (acpi_namespace_node);
+		}
+
+
+		else if (VALID_DESCRIPTOR_TYPE (value, ACPI_DESC_TYPE_INTERNAL)) {
+			obj_desc = (acpi_operand_object *) value;
+			obj_type = obj_desc->common.type;
+
+			if (obj_type > INTERNAL_TYPE_MAX) {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "(Ptr to ACPI Object type %X [UNKNOWN])\n", obj_type));
+				bytes_to_dump = 32;
+			}
+
+			else {
+				ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "(Ptr to ACPI Object type %X [%s])\n",
+						   obj_type, acpi_ut_get_type_name (obj_type)));
+				bytes_to_dump = sizeof (acpi_operand_object);
+			}
+		}
+
+		else {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "(String or Buffer - not descriptor)\n", value));
+			bytes_to_dump = 16;
+		}
+
+		DUMP_BUFFER (value, bytes_to_dump);
+
+		/* If value is NOT an internal object, we are done */
+
+		if ((acpi_tb_system_table_pointer (value)) ||
+			(VALID_DESCRIPTOR_TYPE (value, ACPI_DESC_TYPE_NAMED))) {
+			goto cleanup;
+		}
+
+		/*
+		 * Valid object, get the pointer to next level, if any
+		 */
+		switch (obj_type) {
+		case ACPI_TYPE_STRING:
+			value = (u8 *) obj_desc->string.pointer;
+			break;
+
+		case ACPI_TYPE_BUFFER:
+			value = (u8 *) obj_desc->buffer.pointer;
+			break;
+
+		case ACPI_TYPE_BUFFER_FIELD:
+			value = (u8 *) obj_desc->buffer_field.buffer_obj;
+			break;
+
+		case ACPI_TYPE_PACKAGE:
+			value = (u8 *) obj_desc->package.elements;
+			break;
+
+		case ACPI_TYPE_METHOD:
+			value = (u8 *) obj_desc->method.pcode;
+			break;
+
+		case INTERNAL_TYPE_REGION_FIELD:
+			value = (u8 *) obj_desc->field.region_obj;
+			break;
+
+		case INTERNAL_TYPE_BANK_FIELD:
+			value = (u8 *) obj_desc->bank_field.region_obj;
+			break;
+
+		case INTERNAL_TYPE_INDEX_FIELD:
+			value = (u8 *) obj_desc->index_field.index_obj;
+			break;
+
+	   default:
+			goto cleanup;
+		}
+
+		obj_type = INTERNAL_TYPE_INVALID;    /* Terminate loop after next pass */
+	}
+
+cleanup:
+	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "\n"));
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_objects
+ *
+ * PARAMETERS:  Type                - Object type to be dumped
+ *              Max_depth           - Maximum depth of dump.  Use ACPI_UINT32_MAX
+ *                                    for an effectively unlimited depth.
+ *              Owner_id            - Dump only objects owned by this ID.  Use
+ *                                    ACPI_UINT32_MAX to match all owners.
+ *              Start_handle        - Where in namespace to start/end search
+ *
+ * DESCRIPTION: Dump typed objects within the loaded namespace.
+ *              Uses Acpi_ns_walk_namespace in conjunction with Acpi_ns_dump_one_object.
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_objects (
+	acpi_object_type8       type,
+	u32                     max_depth,
+	u32                     owner_id,
+	acpi_handle             start_handle)
+{
+	ACPI_WALK_INFO          info;
+
+
+	FUNCTION_ENTRY ();
+
+
+	info.debug_level = ACPI_LV_TABLES;
+	info.owner_id = owner_id;
+
+	acpi_ns_walk_namespace (type, start_handle, max_depth, NS_WALK_NO_UNLOCK, acpi_ns_dump_one_object,
+			   (void *) &info, NULL);
+}
+
+
+#ifndef _ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_one_device
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Level               - Nesting level of the handle
+ *              Context             - Passed into Walk_namespace
+ *
+ * DESCRIPTION: Dump a single Node that represents a device
+ *              This procedure is a User_function called by Acpi_ns_walk_namespace.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_dump_one_device (
+	acpi_handle             obj_handle,
+	u32                     level,
+	void                    *context,
+	void                    **return_value)
+{
+	acpi_device_info        info;
+	acpi_status             status;
+	u32                     i;
+
+
+	PROC_NAME ("Ns_dump_one_device");
+
+
+	status = acpi_ns_dump_one_object (obj_handle, level, context, return_value);
+
+	status = acpi_get_object_info (obj_handle, &info);
+	if (ACPI_SUCCESS (status)) {
+		for (i = 0; i < level; i++) {
+			ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
+		}
+
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, "    HID: %.8X, ADR: %.8X, Status: %x\n",
+				  info.hardware_id, info.address, info.current_status));
+	}
+
+	return (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_root_devices
+ *
+ * PARAMETERS:  None
+ *
+ * DESCRIPTION: Dump all objects of type "device"
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_root_devices (void)
+{
+	acpi_handle             sys_bus_handle;
+
+
+	PROC_NAME ("Ns_dump_root_devices");
+
+
+	/* Only dump the table if tracing is enabled */
+
+	if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
+		return;
+	}
+
+	acpi_get_handle (0, NS_SYSTEM_BUS, &sys_bus_handle);
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Display of all devices in the namespace:\n"));
+	acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, sys_bus_handle, ACPI_UINT32_MAX, NS_WALK_NO_UNLOCK,
+			   acpi_ns_dump_one_device, NULL, NULL);
+}
+
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_tables
+ *
+ * PARAMETERS:  Search_base         - Root of subtree to be dumped, or
+ *                                    NS_ALL to dump the entire namespace
+ *              Max_depth           - Maximum depth of dump.  Use INT_MAX
+ *                                    for an effectively unlimited depth.
+ *
+ * DESCRIPTION: Dump the name space, or a portion of it.
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_tables (
+	acpi_handle             search_base,
+	u32                     max_depth)
+{
+	acpi_handle             search_handle = search_base;
+
+
+	FUNCTION_TRACE ("Ns_dump_tables");
+
+
+	if (!acpi_gbl_root_node) {
+		/*
+		 * If the name space has not been initialized,
+		 * there is nothing to dump.
+		 */
+		ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "name space not initialized!\n"));
+		return_VOID;
+	}
+
+	if (NS_ALL == search_base) {
+		/*  entire namespace    */
+
+		search_handle = acpi_gbl_root_node;
+		ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "\\\n"));
+	}
+
+
+	acpi_ns_dump_objects (ACPI_TYPE_ANY, max_depth, ACPI_UINT32_MAX, search_handle);
+	return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    Acpi_ns_dump_entry
+ *
+ * PARAMETERS:  Handle              - Node to be dumped
+ *              Debug_level         - Output level
+ *
+ * DESCRIPTION: Dump a single Node
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_dump_entry (
+	acpi_handle             handle,
+	u32                     debug_level)
+{
+	ACPI_WALK_INFO          info;
+
+
+	FUNCTION_ENTRY ();
+
+
+	info.debug_level = debug_level;
+	info.owner_id = ACPI_UINT32_MAX;
+
+	acpi_ns_dump_one_object (handle, 1, &info, NULL);
+}
+
+#endif
+