summaryrefslogtreecommitdiff
path: root/DuetPkg/FvbRuntimeService/FwBlockService.h
blob: bec2572a3cde401d201f770aa3bd5915a56174a3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/**@file
Copyright (c) 2007, Intel Corporation                                                         
All rights reserved. This program and the accompanying materials                          
are licensed and made available under the terms and conditions of the BSD License         
which accompanies this distribution.  The full text of the license may be found at        
http://opensource.org/licenses/bsd-license.php                                            
                                                                                          
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

Module Name:

  FwBlockService.h
  
Abstract:

  Firmware volume block driver for Intel Firmware Hub (FWH) device

**/
#ifndef _FW_BLOCK_SERVICE_H
#define _FW_BLOCK_SERVICE_H

//
// The package level header files this module uses
//
#include <PiDxe.h>

//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/DevicePath.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/BlockIo.h>
#include <Library/DevicePathLib.h>
#include <Guid/SystemNvDataGuid.h>
#include <Guid/FlashMapHob.h>
#include <Guid/HobList.h>

//
// The Library classes this module consumes
//
#include <Library/UefiLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>


#define FWH_READ_LOCK                   (1 << 2)
#define FWH_LOCK_DOWN                   (1 << 1)
#define FWH_WRITE_LOCK                  1
#define FWH_WRITE_STATE_STATUS          (1 << 7)
#define FWH_ERASE_STATUS                (1 << 5)
#define FWH_PROGRAM_STATUS              (1 << 4)
#define FWH_VPP_STATUS                  (1 << 3)
#define STALL_TIME                      5
#define FWH_ERASE_STATUS_BITS           (FWH_ERASE_STATUS || FWH_VPP_STATUS)
#define FWH_WRITE_STATUS_BITS           (FWH_WRITE_STATUS || FWH_VPP_STATUS)

//
// BugBug: Add documentation here for data structure!!!!
//
#define FVB_PHYSICAL  0
#define FVB_VIRTUAL   1

#define EFI_FVB2_CAPABILITIES (EFI_FVB2_READ_DISABLED_CAP | \
                              EFI_FVB2_READ_ENABLED_CAP | \
                              EFI_FVB2_WRITE_DISABLED_CAP | \
                              EFI_FVB2_WRITE_ENABLED_CAP | \
                              EFI_FVB2_LOCK_CAP \
                              )
#define EFI_FVB2_STATUS (EFI_FVB2_READ_STATUS | EFI_FVB2_WRITE_STATUS | EFI_FVB2_LOCK_STATUS)

typedef struct {
  EFI_LOCK                    FvbDevLock;
  UINTN                       FvBase[2];
  //
  // We can treat VolumeSignature combined with MappedFile 
  //  as a unique key to locate the mapped file.
#define MAX_PATH 256
  UINT32                      VolumeId;
  CHAR16                      MappedFile[MAX_PATH];
  UINT32                      ActuralSize;
  UINT32                      Offset;
  
  EFI_DEVICE_PATH_PROTOCOL    *Device; // only used in BS period, won't use after memory map changed
  UINTN                       NumOfBlocks;
  BOOLEAN                     WriteEnabled;
  EFI_FIRMWARE_VOLUME_HEADER  VolumeHeader;
} EFI_FW_VOL_INSTANCE;

typedef struct {
  UINT32              NumFv;
  EFI_FW_VOL_INSTANCE *FvInstance[2];
  UINT8               *FvbScratchSpace[2];
} ESAL_FWB_GLOBAL;

//
// Fvb Protocol instance data
//
#define FVB_DEVICE_FROM_THIS(a)         CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
#define FVB_EXTEND_DEVICE_FROM_THIS(a)  CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)
#define FVB_DEVICE_SIGNATURE            SIGNATURE_32 ('F', 'V', 'B', 'C')

typedef struct {
  MEMMAP_DEVICE_PATH        MemMapDevPath;
  EFI_DEVICE_PATH_PROTOCOL  EndDevPath;
} FV_DEVICE_PATH;

typedef struct {
  UINTN                               Signature;
  FV_DEVICE_PATH                      DevicePath;
  UINTN                               Instance;
  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  FwVolBlockInstance;
} EFI_FW_VOL_BLOCK_DEVICE;

EFI_STATUS
GetFvbInfo (
  IN  EFI_PHYSICAL_ADDRESS              FvBaseAddress,
  OUT EFI_FIRMWARE_VOLUME_HEADER        **FvbInfo
  );

EFI_STATUS
EnableFvbWrites (
  IN  BOOLEAN   EnableWrites
  );

EFI_STATUS
PlatformGetFvbWriteBase (
  IN  UINTN     CurrentBaseAddress,
  IN  UINTN     *NewBaseAddress,
  IN  BOOLEAN   *WriteEnabled
  );

EFI_STATUS
EnablePlatformFvb (
  VOID
  );

BOOLEAN
SetPlatformFvbLock (
  IN UINTN  LbaAddress
  );

EFI_STATUS
FvbReadBlock (
  IN UINTN                                Instance,
  IN EFI_LBA                              Lba,
  IN UINTN                                BlockOffset,
  IN OUT UINTN                            *NumBytes,
  IN UINT8                                *Buffer,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
FvbWriteBlock (
  IN UINTN                                Instance,
  IN EFI_LBA                              Lba,
  IN UINTN                                BlockOffset,
  IN OUT UINTN                            *NumBytes,
  IN UINT8                                *Buffer,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
FvbEraseBlock (
  IN UINTN                                Instance,
  IN EFI_LBA                              Lba,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
FvbSetVolumeAttributes (
  IN UINTN                                Instance,
  IN OUT EFI_FVB_ATTRIBUTES_2             *Attributes,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
FvbGetVolumeAttributes (
  IN UINTN                                Instance,
  OUT EFI_FVB_ATTRIBUTES_2                *Attributes,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
FvbGetPhysicalAddress (
  IN UINTN                                Instance,
  OUT EFI_PHYSICAL_ADDRESS                *Address,
  IN ESAL_FWB_GLOBAL                      *Global,
  IN BOOLEAN                              Virtual
  );

EFI_STATUS
EFIAPI
FvbInitialize (
  IN EFI_HANDLE         ImageHandle,
  IN EFI_SYSTEM_TABLE   *SystemTable
  );

VOID
EFIAPI
FvbClassAddressChangeEvent (
  IN EFI_EVENT        Event,
  IN VOID             *Context
  );

EFI_STATUS
FvbSpecificInitialize (
  IN  ESAL_FWB_GLOBAL   *mFvbModuleGlobal
  );

EFI_STATUS
FvbGetLbaAddress (
  IN  UINTN                               Instance,
  IN  EFI_LBA                             Lba,
  OUT UINTN                               *LbaAddress,
  OUT UINTN                               *LbaLength,
  OUT UINTN                               *NumOfBlocks,
  IN  ESAL_FWB_GLOBAL                     *Global,
  IN  BOOLEAN                             Virtual
  );

//
// Protocol APIs
//
EFI_STATUS
EFIAPI
FvbProtocolGetAttributes (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL          *This,
  OUT      EFI_FVB_ATTRIBUTES_2                        *Attributes
  );

EFI_STATUS
EFIAPI
FvbProtocolSetAttributes (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL       *This,
  IN OUT   EFI_FVB_ATTRIBUTES_2                     *Attributes
  );

EFI_STATUS
EFIAPI
FvbProtocolGetPhysicalAddress (
  IN  CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL          *This,
  OUT       EFI_PHYSICAL_ADDRESS                        *Address
  );

EFI_STATUS
EFIAPI
FvbProtocolGetBlockSize (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL           *This,
  IN  EFI_LBA                                     Lba,
  OUT UINTN                                       *BlockSize,
  OUT UINTN                                       *NumOfBlocks
  );

EFI_STATUS
EFIAPI
FvbProtocolRead (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL     *This,
  IN EFI_LBA                                      Lba,
  IN UINTN                                        Offset,
  IN OUT UINTN                                    *NumBytes,
  IN UINT8                                        *Buffer
  );

EFI_STATUS
EFIAPI
FvbProtocolWrite (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL     *This,
  IN EFI_LBA                                      Lba,
  IN UINTN                                        Offset,
  IN OUT UINTN                                    *NumBytes,
  IN UINT8                                        *Buffer
  );

EFI_STATUS
EFIAPI
FvbProtocolEraseBlocks (
  IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL    *This,
  ...  
  );

#endif