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1 | /** @file\r |
2 | Callbacks required by the HII of the Opal UEFI Driver to help display\r | |
3 | Opal device information and to send password to SMM handler.\r | |
4 | \r | |
5 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "OpalHii.h"\r | |
17 | #include "OpalDriver.h"\r | |
18 | #include "OpalDriverPrivate.h"\r | |
19 | \r | |
20 | /**\r | |
21 | Get Opal var name.\r | |
22 | The return Value must be freed by caller if not NULL\r | |
23 | \r | |
24 | @param OpalDisk The disk.\r | |
25 | @param Prefix The prefix string.\r | |
26 | \r | |
27 | @retval The var name string.\r | |
28 | \r | |
29 | **/\r | |
30 | CHAR16*\r | |
31 | OpalDriverGetOpalVarName(\r | |
32 | OPAL_DISK *OpalDisk,\r | |
33 | const CHAR16 *Prefix\r | |
34 | )\r | |
35 | {\r | |
36 | OPAL_DRIVER_DEVICE* Dev;\r | |
37 | UINTN PrefixLen;\r | |
38 | UINTN NameLen;\r | |
39 | UINTN VarNameLen;\r | |
40 | CHAR16* VarName;\r | |
41 | \r | |
42 | Dev = DRIVER_DEVICE_FROM_OPALDISK(OpalDisk);\r | |
43 | if (Dev == NULL) {\r | |
44 | return NULL;\r | |
45 | }\r | |
46 | \r | |
47 | PrefixLen = StrLen(Prefix);\r | |
48 | \r | |
49 | NameLen = 0;\r | |
50 | if (Dev->Name16 != NULL) {\r | |
51 | NameLen = StrLen(Dev->Name16);\r | |
52 | }\r | |
53 | \r | |
54 | VarNameLen = PrefixLen + NameLen;\r | |
55 | \r | |
56 | VarName = (CHAR16*)AllocateZeroPool((VarNameLen + 1) * sizeof(CHAR16));\r | |
57 | if (VarName == NULL) {\r | |
58 | return NULL;\r | |
59 | }\r | |
60 | \r | |
61 | CopyMem(VarName, Prefix, PrefixLen * sizeof(CHAR16));\r | |
62 | if (Dev->Name16 != NULL) {\r | |
63 | CopyMem(VarName + PrefixLen, Dev->Name16, NameLen * sizeof(CHAR16));\r | |
64 | }\r | |
65 | VarName[VarNameLen] = 0;\r | |
66 | \r | |
67 | return VarName;\r | |
68 | }\r | |
69 | \r | |
70 | /**\r | |
71 | Get the driver image handle.\r | |
72 | \r | |
73 | @retval the driver image handle.\r | |
74 | \r | |
75 | **/\r | |
76 | EFI_HANDLE\r | |
77 | HiiGetDriverImageHandleCB(\r | |
78 | VOID\r | |
79 | )\r | |
80 | {\r | |
81 | return gImageHandle;\r | |
82 | }\r | |
83 | \r | |
84 | /**\r | |
85 | Check whether enable feature or not.\r | |
86 | \r | |
87 | @retval Return the disk number.\r | |
88 | \r | |
89 | **/\r | |
90 | UINT8\r | |
91 | HiiGetNumConfigRequiredOpalDisksCB(\r | |
92 | VOID\r | |
93 | )\r | |
94 | {\r | |
95 | UINT8 NumDisks;\r | |
96 | UINT8 NumLockedOpalDisks;\r | |
97 | OPAL_DISK *OpalDisk;\r | |
98 | UINT8 Index;\r | |
99 | \r | |
100 | NumLockedOpalDisks = 0;\r | |
101 | \r | |
102 | NumDisks = GetDeviceCount();\r | |
103 | \r | |
104 | for (Index = 0; Index < NumDisks; Index++) {\r | |
105 | OpalDisk = HiiGetOpalDiskCB(Index);\r | |
106 | \r | |
107 | if (OpalDisk != NULL) {\r | |
108 | if (!OpalFeatureEnabled (&OpalDisk->SupportedAttributes, &OpalDisk->LockingFeature)) {\r | |
109 | DEBUG ((DEBUG_INFO, "Ignoring disk %u because feature is disabled or health has already been inspected\n", Index));\r | |
110 | } else if (OpalDeviceLocked (&OpalDisk->SupportedAttributes, &OpalDisk->LockingFeature)) {\r | |
111 | NumLockedOpalDisks++;\r | |
112 | }\r | |
113 | }\r | |
114 | }\r | |
115 | \r | |
116 | return NumLockedOpalDisks;\r | |
117 | }\r | |
118 | \r | |
119 | \r | |
120 | \r | |
121 | /**\r | |
122 | Returns the opaque pointer to a physical disk context.\r | |
123 | \r | |
124 | @param DiskIndex Input the disk index.\r | |
125 | \r | |
126 | @retval The device pointer.\r | |
127 | \r | |
128 | **/\r | |
129 | VOID *\r | |
130 | HiiGetDiskContextCB(\r | |
131 | UINT8 DiskIndex\r | |
132 | )\r | |
133 | {\r | |
134 | OPAL_DRIVER_DEVICE* Dev;\r | |
135 | UINT8 CurrentDisk;\r | |
136 | \r | |
137 | Dev = OpalDriverGetDeviceList();\r | |
138 | CurrentDisk = 0;\r | |
139 | \r | |
140 | if (DiskIndex >= GetDeviceCount()) {\r | |
141 | return NULL;\r | |
142 | }\r | |
143 | \r | |
144 | while (Dev != NULL) {\r | |
145 | if (CurrentDisk == DiskIndex) {\r | |
146 | return Dev;\r | |
147 | } else {\r | |
148 | Dev = Dev->Next;\r | |
149 | CurrentDisk++;\r | |
150 | }\r | |
151 | }\r | |
152 | \r | |
153 | return NULL;\r | |
154 | }\r | |
155 | \r | |
156 | /**\r | |
157 | Returns the opaque pointer to a physical disk context.\r | |
158 | \r | |
159 | @param DiskIndex Input the disk index.\r | |
160 | \r | |
161 | @retval The device pointer.\r | |
162 | \r | |
163 | **/\r | |
164 | OPAL_DISK*\r | |
165 | HiiGetOpalDiskCB(\r | |
166 | UINT8 DiskIndex\r | |
167 | )\r | |
168 | {\r | |
169 | VOID *Ctx;\r | |
170 | OPAL_DRIVER_DEVICE *Tmp;\r | |
171 | \r | |
172 | Ctx = HiiGetDiskContextCB (DiskIndex);\r | |
173 | \r | |
174 | if (Ctx == NULL) {\r | |
175 | return NULL;\r | |
176 | }\r | |
177 | \r | |
178 | Tmp = (OPAL_DRIVER_DEVICE*) Ctx;\r | |
179 | \r | |
180 | return &Tmp->OpalDisk;\r | |
181 | }\r | |
182 | \r | |
183 | /**\r | |
184 | Returns the disk name.\r | |
185 | \r | |
186 | @param DiskIndex Input the disk index.\r | |
187 | \r | |
188 | @retval Returns the disk name.\r | |
189 | \r | |
190 | **/\r | |
191 | CHAR8*\r | |
192 | HiiDiskGetNameCB(\r | |
193 | UINT8 DiskIndex\r | |
194 | )\r | |
195 | {\r | |
196 | OPAL_DRIVER_DEVICE* Ctx;\r | |
197 | \r | |
198 | Ctx = (OPAL_DRIVER_DEVICE*) HiiGetDiskContextCB (DiskIndex);\r | |
199 | \r | |
200 | if (Ctx != NULL) {\r | |
201 | if (Ctx->NameZ == NULL) {\r | |
202 | OpalDriverGetDriverDeviceName (Ctx);\r | |
203 | }\r | |
204 | return Ctx->NameZ;\r | |
205 | }\r | |
206 | return NULL;\r | |
207 | }\r | |
208 | \r | |
209 | /**\r | |
210 | Returns the driver name.\r | |
211 | \r | |
212 | @retval Returns the driver name.\r | |
213 | \r | |
214 | **/\r | |
215 | CHAR16*\r | |
216 | HiiGetDriverNameCB(\r | |
217 | VOID\r | |
218 | )\r | |
219 | {\r | |
220 | return (CHAR16*)EFI_DRIVER_NAME_UNICODE;\r | |
221 | }\r |