/******************************************************************************* * * Module Name: rsdump - Functions to display the resource structures. * ******************************************************************************/ /* * Copyright (C) 2000 - 2015, Intel Corp. * 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 "accommon.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME("rsdump") #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUGGER) /* Local prototypes */ static void acpi_rs_out_string(char *title, char *value); static void acpi_rs_out_integer8(char *title, u8 value); static void acpi_rs_out_integer16(char *title, u16 value); static void acpi_rs_out_integer32(char *title, u32 value); static void acpi_rs_out_integer64(char *title, u64 value); static void acpi_rs_out_title(char *title); static void acpi_rs_dump_byte_list(u16 length, u8 *data); static void acpi_rs_dump_word_list(u16 length, u16 *data); static void acpi_rs_dump_dword_list(u8 length, u32 *data); static void acpi_rs_dump_short_byte_list(u8 length, u8 *data); static void acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source); static void acpi_rs_dump_address_common(union acpi_resource_data *resource); static void acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table); /******************************************************************************* * * FUNCTION: acpi_rs_dump_descriptor * * PARAMETERS: resource - Buffer containing the resource * table - Table entry to decode the resource * * RETURN: None * * DESCRIPTION: Dump a resource descriptor based on a dump table entry. * ******************************************************************************/ static void acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) { u8 *target = NULL; u8 *previous_target; char *name; u8 count; /* First table entry must contain the table length (# of table entries) */ count = table->offset; while (count) { previous_target = target; target = ACPI_ADD_PTR(u8, resource, table->offset); name = table->name; switch (table->opcode) { case ACPI_RSD_TITLE: /* * Optional resource title */ if (table->name) { acpi_os_printf("%s Resource\n", name); } break; /* Strings */ case ACPI_RSD_LITERAL: acpi_rs_out_string(name, ACPI_CAST_PTR(char, table->pointer)); break; case ACPI_RSD_STRING: acpi_rs_out_string(name, ACPI_CAST_PTR(char, target)); break; /* Data items, 8/16/32/64 bit */ case ACPI_RSD_UINT8: if (table->pointer) { acpi_rs_out_string(name, ACPI_CAST_PTR(char, table-> pointer [*target])); } else { acpi_rs_out_integer8(name, ACPI_GET8(target)); } break; case ACPI_RSD_UINT16: acpi_rs_out_integer16(name, ACPI_GET16(target)); break; case ACPI_RSD_UINT32: acpi_rs_out_integer32(name, ACPI_GET32(target)); break; case ACPI_RSD_UINT64: acpi_rs_out_integer64(name, ACPI_GET64(target)); break; /* Flags: 1-bit and 2-bit flags supported */ case ACPI_RSD_1BITFLAG: acpi_rs_out_string(name, ACPI_CAST_PTR(char, table-> pointer[*target & 0x01])); break; case ACPI_RSD_2BITFLAG: acpi_rs_out_string(name, ACPI_CAST_PTR(char, table-> pointer[*target & 0x03])); break; case ACPI_RSD_3BITFLAG: acpi_rs_out_string(name, ACPI_CAST_PTR(char, table-> pointer[*target & 0x07])); break; case ACPI_RSD_SHORTLIST: /* * Short byte list (single line output) for DMA and IRQ resources * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_out_title(name); acpi_rs_dump_short_byte_list(*previous_target, target); } break; case ACPI_RSD_SHORTLISTX: /* * Short byte list (single line output) for GPIO vendor data * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_out_title(name); acpi_rs_dump_short_byte_list(*previous_target, * (ACPI_CAST_INDIRECT_PTR (u8, target))); } break; case ACPI_RSD_LONGLIST: /* * Long byte list for Vendor resource data * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_byte_list(ACPI_GET16 (previous_target), target); } break; case ACPI_RSD_DWORDLIST: /* * Dword list for Extended Interrupt resources * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_dword_list(*previous_target, ACPI_CAST_PTR(u32, target)); } break; case ACPI_RSD_WORDLIST: /* * Word list for GPIO Pin Table * Note: The list length is obtained from the previous table entry */ if (previous_target) { acpi_rs_dump_word_list(*previous_target, *(ACPI_CAST_INDIRECT_PTR (u16, target))); } break; case ACPI_RSD_ADDRESS: /* * Common flags for all Address resources */ acpi_rs_dump_address_common(ACPI_CAST_PTR (union acpi_resource_data, target)); break; case ACPI_RSD_SOURCE: /* * Optional resource_source for Address resources */ acpi_rs_dump_resource_source(ACPI_CAST_PTR (struct acpi_resource_source, target)); break; default: acpi_os_printf("**** Invalid table opcode [%X] ****\n", table->opcode); return; } table++; count--; } } /******************************************************************************* * * FUNCTION: acpi_rs_dump_resource_source * * PARAMETERS: resource_source - Pointer to a Resource Source struct * * RETURN: None * * DESCRIPTION: Common routine for dumping the optional resource_source and the * corresponding resource_source_index. * ******************************************************************************/ static void acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source) { ACPI_FUNCTION_ENTRY(); if (resource_source->index == 0xFF) { return; } acpi_rs_out_integer8("Resource Source Index", resource_source->index); acpi_rs_out_string("Resource Source", resource_source->string_ptr ? resource_source->string_ptr : "[Not Specified]"); } /******************************************************************************* * * FUNCTION: acpi_rs_dump_address_common * * PARAMETERS: resource - Pointer to an internal resource descriptor * * RETURN: None * * DESCRIPTION: Dump the fields that are common to all Address resource * descriptors * ******************************************************************************/ static void acpi_rs_dump_address_common(union acpi_resource_data *resource) { ACPI_FUNCTION_ENTRY(); /* Decode the type-specific flags */ switch (resource->address.resource_type) { case ACPI_MEMORY_RANGE: acpi_rs_dump_descriptor(resource, acpi_rs_dump_memory_flags); break; case ACPI_IO_RANGE: acpi_rs_dump_descriptor(resource, acpi_rs_dump_io_flags); break; case ACPI_BUS_NUMBER_RANGE: acpi_rs_out_string("Resource Type", "Bus Number Range"); break; default: acpi_rs_out_integer8("Resource Type", (u8) resource->address.resource_type); break; } /* Decode the general flags */ acpi_rs_dump_descriptor(resource, acpi_rs_dump_general_flags); } /******************************************************************************* * * FUNCTION: acpi_rs_dump_resource_list * * PARAMETERS: resource_list - Pointer to a resource descriptor list * * RETURN: None * * DESCRIPTION: Dispatches the structure to the correct dump routine. * ******************************************************************************/ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list) { u32 count = 0; u32 type; ACPI_FUNCTION_ENTRY(); /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { return; } /* Walk list and dump all resource descriptors (END_TAG terminates) */ do { acpi_os_printf("\n[%02X] ", count); count++; /* Validate Type before dispatch */ type = resource_list->type; if (type > ACPI_RESOURCE_TYPE_MAX) { acpi_os_printf ("Invalid descriptor type (%X) in resource list\n", resource_list->type); return; } /* Sanity check the length. It must not be zero, or we loop forever */ if (!resource_list->length) { acpi_os_printf ("Invalid zero length descriptor in resource list\n"); return; } /* Dump the resource descriptor */ if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { acpi_rs_dump_descriptor(&resource_list->data, acpi_gbl_dump_serial_bus_dispatch [resource_list->data. common_serial_bus.type]); } else { acpi_rs_dump_descriptor(&resource_list->data, acpi_gbl_dump_resource_dispatch [type]); } /* Point to the next resource structure */ resource_list = ACPI_NEXT_RESOURCE(resource_list); /* Exit when END_TAG descriptor is reached */ } while (type != ACPI_RESOURCE_TYPE_END_TAG); } /******************************************************************************* * * FUNCTION: acpi_rs_dump_irq_list * * PARAMETERS: route_table - Pointer to the routing table to dump. * * RETURN: None * * DESCRIPTION: Print IRQ routing table * ******************************************************************************/ void acpi_rs_dump_irq_list(u8 * route_table) { struct acpi_pci_routing_table *prt_element; u8 count; ACPI_FUNCTION_ENTRY(); /* Check if debug output enabled */ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) { return; } prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table, route_table); /* Dump all table elements, Exit on zero length element */ for (count = 0; prt_element->length; count++) { acpi_os_printf("\n[%02X] PCI IRQ Routing Table Package\n", count); acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt); prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table, prt_element, prt_element->length); } } /******************************************************************************* * * FUNCTION: acpi_rs_out* * * PARAMETERS: title - Name of the resource field * value - Value of the resource field * * RETURN: None * * DESCRIPTION: Miscellaneous helper functions to consistently format the * output of the resource dump routines * ******************************************************************************/ static void acpi_rs_out_string(char *title, char *value) { acpi_os_printf("%27s : %s", title, value); if (!*value) { acpi_os_printf("[NULL NAMESTRING]"); } acpi_os_printf("\n"); } static void acpi_rs_out_integer8(char *title, u8 value) { acpi_os_printf("%27s : %2.2X\n", title, value); } static void acpi_rs_out_integer16(char *title, u16 value) { acpi_os_printf("%27s : %4.4X\n", title, value); } static void acpi_rs_out_integer32(char *title, u32 value) { acpi_os_printf("%27s : %8.8X\n", title, value); } static void acpi_rs_out_integer64(char *title, u64 value) { acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); } static void acpi_rs_out_title(char *title) { acpi_os_printf("%27s : ", title); } /******************************************************************************* * * FUNCTION: acpi_rs_dump*List * * PARAMETERS: length - Number of elements in the list * data - Start of the list * * RETURN: None * * DESCRIPTION: Miscellaneous functions to dump lists of raw data * ******************************************************************************/ static void acpi_rs_dump_byte_list(u16 length, u8 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %2.2X\n", "Byte", i, data[i]); } } static void acpi_rs_dump_short_byte_list(u8 length, u8 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%X ", data[i]); } acpi_os_printf("\n"); } static void acpi_rs_dump_dword_list(u8 length, u32 * data) { u8 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %8.8X\n", "Dword", i, data[i]); } } static void acpi_rs_dump_word_list(u16 length, u16 *data) { u16 i; for (i = 0; i < length; i++) { acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]); } } #endif