diff options
Diffstat (limited to 'drivers/acpi/namespace/nsdump.c')
| -rw-r--r-- | drivers/acpi/namespace/nsdump.c | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c new file mode 100644 index 000000000000..1f6af3eb6c91 --- /dev/null +++ b/drivers/acpi/namespace/nsdump.c @@ -0,0 +1,673 @@ +/****************************************************************************** + * + * Module Name: nsdump - table dumping routines for debug + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2005, R. Byron Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + + +#include <acpi/acpi.h> +#include <acpi/acnamesp.h> +#include <acpi/acparser.h> + + +#define _COMPONENT ACPI_NAMESPACE + ACPI_MODULE_NAME ("nsdump") + + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) + +/******************************************************************************* + * + * FUNCTION: acpi_ns_print_pathname + * + * PARAMETERS: num_segment - Number of ACPI name segments + * Pathname - The compressed (internal) path + * + * DESCRIPTION: Print an object's full namespace pathname + * + ******************************************************************************/ + +void +acpi_ns_print_pathname ( + u32 num_segments, + char *pathname) +{ + ACPI_FUNCTION_NAME ("ns_print_pathname"); + + + if (!(acpi_dbg_level & ACPI_LV_NAMES) || !(acpi_dbg_layer & ACPI_NAMESPACE)) { + return; + } + + /* Print the entire name */ + + ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[")); + + while (num_segments) { + acpi_os_printf ("%4.4s", pathname); + pathname += ACPI_NAME_SIZE; + + num_segments--; + if (num_segments) { + acpi_os_printf ("."); + } + } + + acpi_os_printf ("]\n"); +} + + +/******************************************************************************* + * + * 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 + * + ******************************************************************************/ + +void +acpi_ns_dump_pathname ( + acpi_handle handle, + char *msg, + u32 level, + u32 component) +{ + + ACPI_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_VOID; + } + + /* Convert handle to a full pathname and print it (with supplied message) */ + + acpi_ns_print_node_pathname (handle, msg); + acpi_os_printf ("\n"); + return_VOID; +} + + +/******************************************************************************* + * + * 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) +{ + struct acpi_walk_info *info = (struct acpi_walk_info *) context; + struct acpi_namespace_node *this_node; + union acpi_operand_object *obj_desc = NULL; + acpi_object_type obj_type; + acpi_object_type type; + u32 bytes_to_dump; + u32 dbg_level; + u32 i; + + + ACPI_FUNCTION_NAME ("ns_dump_one_object"); + + + /* Is output enabled? */ + + 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); + } + + this_node = acpi_ns_map_handle_to_node (obj_handle); + type = this_node->type; + + /* 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 */ + + acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " "); + + /* Check the node type and name */ + + if (type > ACPI_TYPE_LOCAL_MAX) { + ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type)); + } + + if (!acpi_ut_valid_acpi_name (this_node->name.integer)) { + ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n", + this_node->name.integer)); + } + + /* + * Now we can print out the pertinent information + */ + acpi_os_printf ("%4.4s %-12s %p ", + acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node); + + dbg_level = acpi_dbg_level; + acpi_dbg_level = 0; + obj_desc = acpi_ns_get_attached_object (this_node); + acpi_dbg_level = dbg_level; + + switch (info->display_type) { + case ACPI_DISPLAY_SUMMARY: + + if (!obj_desc) { + /* No attached object, we are done */ + + acpi_os_printf ("\n"); + return (AE_OK); + } + + switch (type) { + case ACPI_TYPE_PROCESSOR: + + acpi_os_printf ("ID %X Len %.4X Addr %p\n", + obj_desc->processor.proc_id, obj_desc->processor.length, + (char *) obj_desc->processor.address); + break; + + + case ACPI_TYPE_DEVICE: + + acpi_os_printf ("Notify Object: %p\n", obj_desc); + break; + + + case ACPI_TYPE_METHOD: + + acpi_os_printf ("Args %X Len %.4X Aml %p\n", + (u32) obj_desc->method.param_count, + obj_desc->method.aml_length, obj_desc->method.aml_start); + break; + + + case ACPI_TYPE_INTEGER: + + acpi_os_printf ("= %8.8X%8.8X\n", + ACPI_FORMAT_UINT64 (obj_desc->integer.value)); + break; + + + case ACPI_TYPE_PACKAGE: + + if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { + acpi_os_printf ("Elements %.2X\n", + obj_desc->package.count); + } + else { + acpi_os_printf ("[Length not yet evaluated]\n"); + } + break; + + + case ACPI_TYPE_BUFFER: + + if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { + acpi_os_printf ("Len %.2X", + obj_desc->buffer.length); + + /* Dump some of the buffer */ + + if (obj_desc->buffer.length > 0) { + acpi_os_printf (" ="); + for (i = 0; (i < obj_desc->buffer.length && i < 12); i++) { + acpi_os_printf (" %.2hX", obj_desc->buffer.pointer[i]); + } + } + acpi_os_printf ("\n"); + } + else { + acpi_os_printf ("[Length not yet evaluated]\n"); + } + break; + + + case ACPI_TYPE_STRING: + + acpi_os_printf ("Len %.2X ", obj_desc->string.length); + acpi_ut_print_string (obj_desc->string.pointer, 32); + acpi_os_printf ("\n"); + break; + + + case ACPI_TYPE_REGION: + + acpi_os_printf ("[%s]", + acpi_ut_get_region_name (obj_desc->region.space_id)); + if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { + acpi_os_printf (" Addr %8.8X%8.8X Len %.4X\n", + ACPI_FORMAT_UINT64 (obj_desc->region.address), + obj_desc->region.length); + } + else { + acpi_os_printf (" [Address/Length not yet evaluated]\n"); + } + break; + + + case ACPI_TYPE_LOCAL_REFERENCE: + + acpi_os_printf ("[%s]\n", + acpi_ps_get_opcode_name (obj_desc->reference.opcode)); + break; + + + case ACPI_TYPE_BUFFER_FIELD: + + if (obj_desc->buffer_field.buffer_obj && + obj_desc->buffer_field.buffer_obj->buffer.node) { + acpi_os_printf ("Buf [%4.4s]", + acpi_ut_get_node_name (obj_desc->buffer_field.buffer_obj->buffer.node)); + } + break; + + + case ACPI_TYPE_LOCAL_REGION_FIELD: + + acpi_os_printf ("Rgn [%4.4s]", + acpi_ut_get_node_name (obj_desc->common_field.region_obj->region.node)); + break; + + + case ACPI_TYPE_LOCAL_BANK_FIELD: + + acpi_os_printf ("Rgn [%4.4s] Bnk [%4.4s]", + acpi_ut_get_node_name (obj_desc->common_field.region_obj->region.node), + acpi_ut_get_node_name (obj_desc->bank_field.bank_obj->common_field.node)); + break; + + + case ACPI_TYPE_LOCAL_INDEX_FIELD: + + acpi_os_printf ("Idx [%4.4s] Dat [%4.4s]", + acpi_ut_get_node_name (obj_desc->index_field.index_obj->common_field.node), + acpi_ut_get_node_name (obj_desc->index_field.data_obj->common_field.node)); + break; + + + case ACPI_TYPE_LOCAL_ALIAS: + case ACPI_TYPE_LOCAL_METHOD_ALIAS: + + acpi_os_printf ("Target %4.4s (%p)\n", + acpi_ut_get_node_name (obj_desc), obj_desc); + break; + + default: + + acpi_os_printf ("Object %p\n", obj_desc); + break; + } + + /* Common field handling */ + + switch (type) { + case ACPI_TYPE_BUFFER_FIELD: + case ACPI_TYPE_LOCAL_REGION_FIELD: + case ACPI_TYPE_LOCAL_BANK_FIELD: + case ACPI_TYPE_LOCAL_INDEX_FIELD: + + acpi_os_printf (" Off %.3X Len %.2X Acc %.2hd\n", + (obj_desc->common_field.base_byte_offset * 8) + + obj_desc->common_field.start_field_bit_offset, + obj_desc->common_field.bit_length, + obj_desc->common_field.access_byte_width); + break; + + default: + break; + } + break; + + + case ACPI_DISPLAY_OBJECTS: + + acpi_os_printf ("O:%p", obj_desc); + if (!obj_desc) { + /* No attached object, we are done */ + + acpi_os_printf ("\n"); + return (AE_OK); + } + + acpi_os_printf ("(R%d)", + obj_desc->common.reference_count); + + switch (type) { + case ACPI_TYPE_METHOD: + + /* Name is a Method and its AML offset/length are set */ + + acpi_os_printf (" M:%p-%X\n", obj_desc->method.aml_start, + obj_desc->method.aml_length); + break; + + case ACPI_TYPE_INTEGER: + + acpi_os_printf (" I:%8.8X8.8%X\n", + ACPI_FORMAT_UINT64 (obj_desc->integer.value)); + break; + + case ACPI_TYPE_STRING: + + acpi_os_printf (" S:%p-%X\n", obj_desc->string.pointer, + obj_desc->string.length); + break; + + case ACPI_TYPE_BUFFER: + + acpi_os_printf (" B:%p-%X\n", obj_desc->buffer.pointer, + obj_desc->buffer.length); + break; + + default: + + acpi_os_printf ("\n"); + break; + } + break; + + + default: + acpi_os_printf ("\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 */ + + dbg_level = acpi_dbg_level; + acpi_dbg_level = 0; + obj_desc = acpi_ns_get_attached_object (this_node); + acpi_dbg_level = dbg_level; + + /* Dump attached objects */ + + while (obj_desc) { + obj_type = ACPI_TYPE_INVALID; + acpi_os_printf (" Attached Object %p: ", obj_desc); + + /* Decode the type of attached object and dump the contents */ + + switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { + case ACPI_DESC_TYPE_NAMED: + + acpi_os_printf ("(Ptr to Node)\n"); + bytes_to_dump = sizeof (struct acpi_namespace_node); + break; + + + case ACPI_DESC_TYPE_OPERAND: + + obj_type = ACPI_GET_OBJECT_TYPE (obj_desc); + + if (obj_type > ACPI_TYPE_LOCAL_MAX) { + acpi_os_printf ("(Ptr to ACPI Object type %X [UNKNOWN])\n", + obj_type); + bytes_to_dump = 32; + } + else { + acpi_os_printf ("(Ptr to ACPI Object type %s, %X)\n", + acpi_ut_get_type_name (obj_type), obj_type); + bytes_to_dump = sizeof (union acpi_operand_object); + } + break; + + + default: + + acpi_os_printf ( + "(String or Buffer ptr - not an object descriptor) [%s]\n", + acpi_ut_get_descriptor_name (obj_desc)); + bytes_to_dump = 16; + break; + } + + ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump); + + /* If value is NOT an internal object, we are done */ + + if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) { + goto cleanup; + } + + /* + * Valid object, get the pointer to next level, if any + */ + switch (obj_type) { + case ACPI_TYPE_STRING: + obj_desc = (void *) obj_desc->string.pointer; + break; + + case ACPI_TYPE_BUFFER: + obj_desc = (void *) obj_desc->buffer.pointer; + break; + + case ACPI_TYPE_BUFFER_FIELD: + obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj; + break; + + case ACPI_TYPE_PACKAGE: + obj_desc = (void *) obj_desc->package.elements; + break; + + case ACPI_TYPE_METHOD: + obj_desc = (void *) obj_desc->method.aml_start; + break; + + case ACPI_TYPE_LOCAL_REGION_FIELD: + obj_desc = (void *) obj_desc->field.region_obj; + break; + + case ACPI_TYPE_LOCAL_BANK_FIELD: + obj_desc = (void *) obj_desc->bank_field.region_obj; + break; + + case ACPI_TYPE_LOCAL_INDEX_FIELD: + obj_desc = (void *) obj_desc->index_field.index_obj; + break; + + default: + goto cleanup; + } + + obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */ + } + +cleanup: + acpi_os_printf ("\n"); + return (AE_OK); +} + + +#ifdef ACPI_FUTURE_USAGE + +/******************************************************************************* + * + * 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_type type, + u8 display_type, + u32 max_depth, + u32 owner_id, + acpi_handle start_handle) +{ + struct acpi_walk_info info; + + + ACPI_FUNCTION_ENTRY (); + + + info.debug_level = ACPI_LV_TABLES; + info.owner_id = owner_id; + info.display_type = display_type; + + (void) acpi_ns_walk_namespace (type, start_handle, max_depth, + ACPI_NS_WALK_NO_UNLOCK, acpi_ns_dump_one_object, + (void *) &info, NULL); +} + + +/******************************************************************************* + * + * 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; + + + ACPI_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, "namespace not initialized!\n")); + return_VOID; + } + + if (ACPI_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, ACPI_DISPLAY_OBJECTS, max_depth, + ACPI_UINT32_MAX, search_handle); + return_VOID; +} + +#endif /* ACPI_FUTURE_USAGE */ + + +/******************************************************************************* + * + * 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) +{ + struct acpi_walk_info info; + + + ACPI_FUNCTION_ENTRY (); + + + info.debug_level = debug_level; + info.owner_id = ACPI_UINT32_MAX; + info.display_type = ACPI_DISPLAY_SUMMARY; + + (void) acpi_ns_dump_one_object (handle, 1, &info, NULL); +} + +#endif + |