cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nsdumpdv.c (2940B)

      1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
      2/******************************************************************************
      3 *
      4 * Module Name: nsdump - table dumping routines for debug
      5 *
      6 * Copyright (C) 2000 - 2022, Intel Corp.
      7 *
      8 *****************************************************************************/
      9
     10#include <acpi/acpi.h>
     11
     12/* TBD: This entire module is apparently obsolete and should be removed */
     13
     14#define _COMPONENT          ACPI_NAMESPACE
     15ACPI_MODULE_NAME("nsdumpdv")
     16#ifdef ACPI_OBSOLETE_FUNCTIONS
     17#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
     18#include "acnamesp.h"
     19/*******************************************************************************
     20 *
     21 * FUNCTION:    acpi_ns_dump_one_device
     22 *
     23 * PARAMETERS:  handle              - Node to be dumped
     24 *              level               - Nesting level of the handle
     25 *              context             - Passed into walk_namespace
     26 *              return_value        - Not used
     27 *
     28 * RETURN:      Status
     29 *
     30 * DESCRIPTION: Dump a single Node that represents a device
     31 *              This procedure is a user_function called by acpi_ns_walk_namespace.
     32 *
     33 ******************************************************************************/
     34static acpi_status
     35acpi_ns_dump_one_device(acpi_handle obj_handle,
     36			u32 level, void *context, void **return_value)
     37{
     38	struct acpi_buffer buffer;
     39	struct acpi_device_info *info;
     40	acpi_status status;
     41	u32 i;
     42
     43	ACPI_FUNCTION_NAME(ns_dump_one_device);
     44
     45	status =
     46	    acpi_ns_dump_one_object(obj_handle, level, context, return_value);
     47
     48	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
     49	status = acpi_get_object_info(obj_handle, &buffer);
     50	if (ACPI_SUCCESS(status)) {
     51		info = buffer.pointer;
     52		for (i = 0; i < level; i++) {
     53			ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
     54		}
     55
     56		ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
     57				      "    HID: %s, ADR: %8.8X%8.8X\n",
     58				      info->hardware_id.value,
     59				      ACPI_FORMAT_UINT64(info->address)));
     60		ACPI_FREE(info);
     61	}
     62
     63	return (status);
     64}
     65
     66/*******************************************************************************
     67 *
     68 * FUNCTION:    acpi_ns_dump_root_devices
     69 *
     70 * PARAMETERS:  None
     71 *
     72 * RETURN:      None
     73 *
     74 * DESCRIPTION: Dump all objects of type "device"
     75 *
     76 ******************************************************************************/
     77
     78void acpi_ns_dump_root_devices(void)
     79{
     80	acpi_handle sys_bus_handle;
     81	acpi_status status;
     82
     83	ACPI_FUNCTION_NAME(ns_dump_root_devices);
     84
     85	/* Only dump the table if tracing is enabled */
     86
     87	if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
     88		return;
     89	}
     90
     91	status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
     92	if (ACPI_FAILURE(status)) {
     93		return;
     94	}
     95
     96	ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
     97			  "Display of all devices in the namespace:\n"));
     98
     99	status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
    100					ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
    101					acpi_ns_dump_one_device, NULL, NULL,
    102					NULL);
    103}
    104
    105#endif
    106#endif