static acpi_status acpi_db_integrity_walk(acpi_handle obj_handle, u32 nesting_level, void *context, void **return_value) { struct acpi_integrity_info *info = (struct acpi_integrity_info *)context; struct acpi_namespace_node *node = (struct acpi_namespace_node *)obj_handle; union acpi_operand_object *object; u8 alias = TRUE; info->nodes++; /* Verify the NS node, and dereference aliases */ while (alias) { if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { acpi_os_printf ("Invalid Descriptor Type for Node %p [%s] - " "is %2.2X should be %2.2X\n", node, acpi_ut_get_descriptor_name(node), ACPI_GET_DESCRIPTOR_TYPE(node), ACPI_DESC_TYPE_NAMED); return (AE_OK); } if ((node->type == ACPI_TYPE_LOCAL_ALIAS) || (node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { node = (struct acpi_namespace_node *)node->object; } else { alias = FALSE; } } if (node->type > ACPI_TYPE_LOCAL_MAX) { acpi_os_printf("Invalid Object Type for Node %p, Type = %X\n", node, node->type); return (AE_OK); } if (!acpi_ut_valid_nameseg(node->name.ascii)) { acpi_os_printf("Invalid AcpiName for Node %p\n", node); return (AE_OK); } object = acpi_ns_get_attached_object(node); if (object) { info->objects++; if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) { acpi_os_printf ("Invalid Descriptor Type for Object %p [%s]\n", object, acpi_ut_get_descriptor_name(object)); } } return (AE_OK); }
acpi_status acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature) { acpi_status status = AE_OK; ACPI_FUNCTION_TRACE(tb_verify_temp_table); /* Validate the table */ status = acpi_tb_validate_temp_table(table_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(AE_NO_MEMORY); } /* If a particular signature is expected (DSDT/FACS), it must match */ if (signature && !ACPI_COMPARE_NAME(&table_desc->signature, signature)) { ACPI_BIOS_ERROR((AE_INFO, "Invalid signature 0x%X for ACPI table, expected [%s]", table_desc->signature.integer, signature)); status = AE_BAD_SIGNATURE; goto invalidate_and_exit; } /* Verify the checksum */ if (acpi_gbl_verify_table_checksum) { status = acpi_tb_verify_checksum(table_desc->pointer, table_desc->length); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, "%4.4s 0x%8.8X%8.8X" " Attempted table install failed", acpi_ut_valid_nameseg(table_desc-> signature. ascii) ? table_desc->signature.ascii : "????", ACPI_FORMAT_UINT64(table_desc-> address))); goto invalidate_and_exit; } } return_ACPI_STATUS(AE_OK); invalidate_and_exit: acpi_tb_invalidate_table(table_desc); return_ACPI_STATUS(status); }
/******************************************************************************* * * FUNCTION: acpi_tb_find_table * * PARAMETERS: signature - String with ACPI table signature * oem_id - String with the table OEM ID * oem_table_id - String with the OEM Table ID * table_index - Where the table index is returned * * RETURN: Status and table index * * DESCRIPTION: Find an ACPI table (in the RSDT/XSDT) that matches the * Signature, OEM ID and OEM Table ID. Returns an index that can * be used to get the table header or entire table. * ******************************************************************************/ acpi_status acpi_tb_find_table(char *signature, char *oem_id, char *oem_table_id, u32 *table_index) { acpi_status status = AE_OK; struct acpi_table_header header; u32 i; ACPI_FUNCTION_TRACE(tb_find_table); /* Validate the input table signature */ if (!acpi_ut_valid_nameseg(signature)) { return_ACPI_STATUS(AE_BAD_SIGNATURE); } /* Don't allow the OEM strings to be too long */ if ((strlen(oem_id) > ACPI_OEM_ID_SIZE) || (strlen(oem_table_id) > ACPI_OEM_TABLE_ID_SIZE)) { return_ACPI_STATUS(AE_AML_STRING_LIMIT); } /* Normalize the input strings */ memset(&header, 0, sizeof(struct acpi_table_header)); ACPI_COPY_NAMESEG(header.signature, signature); strncpy(header.oem_id, oem_id, ACPI_OEM_ID_SIZE); strncpy(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE); /* Search for the table */ (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { if (memcmp(&(acpi_gbl_root_table_list.tables[i].signature), header.signature, ACPI_NAMESEG_SIZE)) { /* Not the requested table */ continue; } /* Table with matching signature has been found */ if (!acpi_gbl_root_table_list.tables[i].pointer) { /* Table is not currently mapped, map it */ status = acpi_tb_validate_table(&acpi_gbl_root_table_list. tables[i]); if (ACPI_FAILURE(status)) { goto unlock_and_exit; } if (!acpi_gbl_root_table_list.tables[i].pointer) { continue; } } /* Check for table match on all IDs */ if (!memcmp (acpi_gbl_root_table_list.tables[i].pointer->signature, header.signature, ACPI_NAMESEG_SIZE) && (!oem_id[0] || !memcmp (acpi_gbl_root_table_list. tables[i]. pointer->oem_id, header.oem_id, ACPI_OEM_ID_SIZE)) && (!oem_table_id[0] || !memcmp(acpi_gbl_root_table_list.tables[i].pointer-> oem_table_id, header.oem_table_id, ACPI_OEM_TABLE_ID_SIZE))) { *table_index = i; ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Found table [%4.4s]\n", header.signature)); goto unlock_and_exit; } } status = AE_NOT_FOUND; unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); return_ACPI_STATUS(status); }