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-rw-r--r--drivers/acpi/namespace/nsdumpdv.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
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1/******************************************************************************
2 *
3 * Module Name: nsdump - table dumping routines for debug
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
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
45#include <acpi/acpi.h>
46#include <acpi/acnamesp.h>
47
48
49#define _COMPONENT ACPI_NAMESPACE
50 ACPI_MODULE_NAME ("nsdumpdv")
51
52
53#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
54
55/*******************************************************************************
56 *
57 * FUNCTION: acpi_ns_dump_one_device
58 *
59 * PARAMETERS: Handle - Node to be dumped
60 * Level - Nesting level of the handle
61 * Context - Passed into walk_namespace
62 *
63 * DESCRIPTION: Dump a single Node that represents a device
64 * This procedure is a user_function called by acpi_ns_walk_namespace.
65 *
66 ******************************************************************************/
67
68acpi_status
69acpi_ns_dump_one_device (
70 acpi_handle obj_handle,
71 u32 level,
72 void *context,
73 void **return_value)
74{
75 struct acpi_buffer buffer;
76 struct acpi_device_info *info;
77 acpi_status status;
78 u32 i;
79
80
81 ACPI_FUNCTION_NAME ("ns_dump_one_device");
82
83
84 status = acpi_ns_dump_one_object (obj_handle, level, context, return_value);
85
86 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
87 status = acpi_get_object_info (obj_handle, &buffer);
88 if (ACPI_SUCCESS (status)) {
89 info = buffer.pointer;
90 for (i = 0; i < level; i++) {
91 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
92 }
93
94 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES,
95 " HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
96 info->hardware_id.value, ACPI_FORMAT_UINT64 (info->address),
97 info->current_status));
98 ACPI_MEM_FREE (info);
99 }
100
101 return (status);
102}
103
104
105/*******************************************************************************
106 *
107 * FUNCTION: acpi_ns_dump_root_devices
108 *
109 * PARAMETERS: None
110 *
111 * DESCRIPTION: Dump all objects of type "device"
112 *
113 ******************************************************************************/
114
115void
116acpi_ns_dump_root_devices (void)
117{
118 acpi_handle sys_bus_handle;
119 acpi_status status;
120
121
122 ACPI_FUNCTION_NAME ("ns_dump_root_devices");
123
124
125 /* Only dump the table if tracing is enabled */
126
127 if (!(ACPI_LV_TABLES & acpi_dbg_level)) {
128 return;
129 }
130
131 status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
132 if (ACPI_FAILURE (status)) {
133 return;
134 }
135
136 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
137 "Display of all devices in the namespace:\n"));
138
139 status = acpi_ns_walk_namespace (ACPI_TYPE_DEVICE, sys_bus_handle,
140 ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
141 acpi_ns_dump_one_device, NULL, NULL);
142}
143
144#endif
145
146