xref: /openbmc/linux/drivers/acpi/acpica/nsdumpdv.c (revision cfbb9be8)
1 /******************************************************************************
2  *
3  * Module Name: nsdump - table dumping routines for debug
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2018, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #include <acpi/acpi.h>
45 
46 /* TBD: This entire module is apparently obsolete and should be removed */
47 
48 #define _COMPONENT          ACPI_NAMESPACE
49 ACPI_MODULE_NAME("nsdumpdv")
50 #ifdef ACPI_OBSOLETE_FUNCTIONS
51 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
52 #include "acnamesp.h"
53 /*******************************************************************************
54  *
55  * FUNCTION:    acpi_ns_dump_one_device
56  *
57  * PARAMETERS:  handle              - Node to be dumped
58  *              level               - Nesting level of the handle
59  *              context             - Passed into walk_namespace
60  *              return_value        - Not used
61  *
62  * RETURN:      Status
63  *
64  * DESCRIPTION: Dump a single Node that represents a device
65  *              This procedure is a user_function called by acpi_ns_walk_namespace.
66  *
67  ******************************************************************************/
68 static acpi_status
69 acpi_ns_dump_one_device(acpi_handle obj_handle,
70 			u32 level, void *context, void **return_value)
71 {
72 	struct acpi_buffer buffer;
73 	struct acpi_device_info *info;
74 	acpi_status status;
75 	u32 i;
76 
77 	ACPI_FUNCTION_NAME(ns_dump_one_device);
78 
79 	status =
80 	    acpi_ns_dump_one_object(obj_handle, level, context, return_value);
81 
82 	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
83 	status = acpi_get_object_info(obj_handle, &buffer);
84 	if (ACPI_SUCCESS(status)) {
85 		info = buffer.pointer;
86 		for (i = 0; i < level; i++) {
87 			ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES, " "));
88 		}
89 
90 		ACPI_DEBUG_PRINT_RAW((ACPI_DB_TABLES,
91 				      "    HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
92 				      info->hardware_id.value,
93 				      ACPI_FORMAT_UINT64(info->address),
94 				      info->current_status));
95 		ACPI_FREE(info);
96 	}
97 
98 	return (status);
99 }
100 
101 /*******************************************************************************
102  *
103  * FUNCTION:    acpi_ns_dump_root_devices
104  *
105  * PARAMETERS:  None
106  *
107  * RETURN:      None
108  *
109  * DESCRIPTION: Dump all objects of type "device"
110  *
111  ******************************************************************************/
112 
113 void acpi_ns_dump_root_devices(void)
114 {
115 	acpi_handle sys_bus_handle;
116 	acpi_status status;
117 
118 	ACPI_FUNCTION_NAME(ns_dump_root_devices);
119 
120 	/* Only dump the table if tracing is enabled */
121 
122 	if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
123 		return;
124 	}
125 
126 	status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
127 	if (ACPI_FAILURE(status)) {
128 		return;
129 	}
130 
131 	ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
132 			  "Display of all devices in the namespace:\n"));
133 
134 	status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
135 					ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
136 					acpi_ns_dump_one_device, NULL, NULL,
137 					NULL);
138 }
139 
140 #endif
141 #endif
142