1 /******************************************************************************
2  *
3  * Module Name: ahuuids - Table of known ACPI-related UUIDs
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2017, 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)
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41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #include "acpi.h"
45 #include "accommon.h"
46 #include "acuuid.h"
47 
48 #define _COMPONENT          ACPI_UTILITIES
49         ACPI_MODULE_NAME    ("ahuuids")
50 
51 
52 /*
53  * Table of "known" (ACPI-related) UUIDs
54  */
55 const AH_UUID  Gbl_AcpiUuids[] =
56 {
57     {"[Controllers]",               NULL},
58     {"GPIO Controller",             UUID_GPIO_CONTROLLER},
59     {"USB Controller",              UUID_USB_CONTROLLER},
60     {"SATA Controller",             UUID_SATA_CONTROLLER},
61 
62     {"[Devices]",                   NULL},
63     {"PCI Host Bridge Device",      UUID_PCI_HOST_BRIDGE},
64     {"HID I2C Device",              UUID_I2C_DEVICE},
65     {"Power Button Device",         UUID_POWER_BUTTON},
66 
67     {"[Interfaces]",                NULL},
68     {"Device Labeling Interface",   UUID_DEVICE_LABELING},
69     {"Physical Presence Interface", UUID_PHYSICAL_PRESENCE},
70 
71     {"[Non-volatile DIMM and NFIT table]",       NULL},
72     {"Volatile Memory Region",      UUID_VOLATILE_MEMORY},
73     {"Persistent Memory Region",    UUID_PERSISTENT_MEMORY},
74     {"NVDIMM Control Region",       UUID_CONTROL_REGION},
75     {"NVDIMM Data Region",          UUID_DATA_REGION},
76     {"Volatile Virtual Disk",       UUID_VOLATILE_VIRTUAL_DISK},
77     {"Volatile Virtual CD",         UUID_VOLATILE_VIRTUAL_CD},
78     {"Persistent Virtual Disk",     UUID_PERSISTENT_VIRTUAL_DISK},
79     {"Persistent Virtual CD",       UUID_PERSISTENT_VIRTUAL_CD},
80 
81     {"[Miscellaneous]",             NULL},
82     {"Platform-wide Capabilities",  UUID_PLATFORM_CAPABILITIES},
83     {"Dynamic Enumeration",         UUID_DYNAMIC_ENUMERATION},
84     {"Battery Thermal Limit",       UUID_BATTERY_THERMAL_LIMIT},
85     {"Thermal Extensions",          UUID_THERMAL_EXTENSIONS},
86     {"Device Properties for _DSD",  UUID_DEVICE_PROPERTIES},
87 
88     {NULL, NULL}
89 };
90 
91 
92 /*******************************************************************************
93  *
94  * FUNCTION:    AcpiAhMatchUuid
95  *
96  * PARAMETERS:  Data                - Data buffer containing a UUID
97  *
98  * RETURN:      ASCII description string for the UUID if it is found.
99  *
100  * DESCRIPTION: Returns a description string for "known" UUIDs, which are
101  *              are UUIDs that are related to ACPI in some way.
102  *
103  ******************************************************************************/
104 
105 const char *
106 AcpiAhMatchUuid (
107     UINT8                   *Data)
108 {
109     const AH_UUID           *Info;
110     UINT8                   UuidBuffer[UUID_BUFFER_LENGTH];
111 
112 
113     /* Walk the table of known ACPI-related UUIDs */
114 
115     for (Info = Gbl_AcpiUuids; Info->Description; Info++)
116     {
117         /* Null string means desciption is a UUID class */
118 
119         if (!Info->String)
120         {
121             continue;
122         }
123 
124         AcpiUtConvertStringToUuid (Info->String, UuidBuffer);
125 
126         if (!memcmp (Data, UuidBuffer, UUID_BUFFER_LENGTH))
127         {
128             return (Info->Description);
129         }
130     }
131 
132     return (NULL);
133 }
134